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PR target/26141
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2006-02-09  J"orn Rennecke <joern.rennecke@st.com>
2
3         PR target/26141
4         * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
5         computing the effective result type.
6
7 2006-02-09  J"orn Rennecke <joern.rennecke@st.com>
8
9         PR inline-asm/16194
10         * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
11         (tree_overlaps_hard_reg_set): Declare.
12         * stmt.c (decl_overlaps_hard_reg_set_p): Now static.  Change return
13         type and signature to match function type expected by walk_tree.
14         (tree_overlaps_hard_reg_set): New function.
15         (decl_conflicts_with_clobbers_p): Rename to:
16         (tree_conflicts_with_clobbers_p).  Take HARD_REG_SET * argument.
17         Use tree_overlaps_hard_reg_set.  Changed caller.
18         * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
19         decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
20         * cris.c (cris_md_asm_clobbers): Likewise.
21
22 2006-02-09  Bernd Schmidt  <bernd.schmidt@analog.com>
23
24         * reload1.c (emit_input_reload_insns): Delete code that tries to
25         inherit using find_equiv_reg.
26
27 2006-02-09  Gabriel Dos Reis  <gdr@integrable-solutions.net>
28
29         * c-common.h (flag_const_strings): Don't declare.
30         * c-common.c (flag_const_strings): Remove.
31         * c.opt (fconst_strings): Remove.
32         * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
33         <OPT_Wwrite_strings>: Don't set flag_const_strings.
34         (c_common_init_options): Don't set flag_const_strings.
35         * doc/invoke.texi (-fno-const-strings): Remove documentation.
36
37 2006-02-09  Richard Earnshaw  <richard.earnshaw@arm.com>
38
39         * arm.md (tlobits_cbranch): New pattern.
40         * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
41         testing a single bit.
42
43 2006-02-09  Andrew Pinski  <pinskia@physics.uc.edu>
44
45         PR tree-opt/26179
46         * tree-ssa-pre.c (create_component_ref_by_pieces):
47         Handle RETURN_DECL like VAR_DECL.
48
49 2006-02-09  Andrew Pinski  <pinskia@physics.uc.edu>
50
51         PR middle-end/26134
52         * fold-const.c (fold_indirect_ref_1): Fold 
53         "*(foo *)&complexfoo" to "__real__ complexfoo"
54         and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
55
56 2006-02-09  Andrew Pinski  <pinskia@physics.uc.edu>
57
58         * tree-flow-inline.h (var_can_have_subvars): 
59         Volatile variables should not have subvariables.
60
61 2006-02-09  Diego Novillo  <dnovillo@redhat.com>
62
63         PR 26180
64         * tree-vrp.c (vrp_int_const_binop): Detect overflow when
65         multiplying unsigned values.
66         Tidy comments.
67
68 2006-02-09  Eric Botcazou  <ebotcazou@libertysurf.fr>
69
70         * config/sparc/sparc.c (tls_call_delay): Fix oversight.
71
72 2006-02-08  Jason Merrill  <jason@redhat.com>
73
74         PR c++/25979
75         * tree.def: Elaborate on difference from MODIFY_EXPR.
76         * doc/c-tree.texi (INIT_EXPR): Likewise.
77         * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
78         (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
79         (gimplify_target_expr): Likewise.
80         (gimplify_cond_expr): Remove target handling.
81         (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
82         (gimplify_expr): Clobber it here.
83         (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
84         Do return slot optimization if we have an INIT_EXPR.
85
86         PR tree-opt/24365
87         * tree-inline.c (declare_return_variable): Also clear 
88         DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
89
90         PR c++/16405
91         * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
92
93         PR middle-end/22439
94         * gimplify.c (gimplify_one_sizepos): Fix typo.
95
96 2006-02-08  Jeff Law  <law@redhat.com>
97
98         PR tree-optimization/21417
99         * tree-ssa-threadedge.c (thread_across_edge): Reject threading
100         across a backedge if the control statement at the end of the
101         block is data dependent on other statements in the same block.
102         (record_temporary_equivalences_from_stmts): Remove over-conservative
103         test for threading across backedges.
104
105         * tree-ssa-dce.c (remove_dead_statement): When removing a dead
106         control statement, handle all three special cases in the same
107         manner as they all have the same desired solution.  No longer
108         special case edge flag updating when the post dominator is
109         the exit block.
110
111 2006-02-08  Roger Sayle  <roger@eyesopen.com>
112
113         * tree.def (CHAR_TYPE): Remove.
114         * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
115         * dwarf2out.c (base_type_die, is_base_type): Likewise.
116         (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
117         (gen_string_type_die): Delete unreachable function.
118
119         * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
120         * tree.c (build_int_cst_wide, type_contains_placeholder_1,
121         type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
122         * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
123         * builtins.c (type_to_class): Likewise.
124         * fold-const.c (fold_convert, build_range_check,
125         merge_ranges): Likewise.
126         * expr.c (count_type_elements): Likewise.
127         * c-pretty-print.c (pp_c_type_specifier): Likewise.
128         * stor-layout.c (layout_type): Likewise.
129         * ipa-type-escape.c (type_to_consider): Likewise.
130         * gimplify.c (omp_firstprivatize_type_sizes,
131         gimplify_type_sizes): Likewise.
132         * explow.c (promote_mode): Likewise.
133         * tree-sra.c (is_sra_scalar_type): Likewise.
134         * varasm.c (output_constant): Likewise.
135         * tree-inline.c (remap_type_1): Likewise.
136         * convert.c (convert_to_pointer, convert_to_real,
137         convert_to_integer, convert_to_complex): Likewise.
138
139 2006-02-08  Daniel Berlin  <dberlin@dberlin.org>
140
141         * df-scan.c (df_def_record_1): A set destination may
142         be a parallel regardless of mode.
143
144 2006-02-08  Roger Sayle  <roger@eyesopen.com>
145
146         PR target/22209
147         * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
148         * config/mips/_tilib.c: Remove.
149         * config/fixtfdi.c: New libgcc source file.
150         * config/fixunstfdi.c: New source file.
151         * config/floatditf.c: New source file.
152         * config/floatunditf.c: New souce file.
153         * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
154         files above instead of config/mips/_tilib.c.
155         * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
156
157 2006-02-08  Jeff Law  <law@redhat.com>
158
159         PR tree-optimization/26169
160         * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
161         threading jumps.
162
163 2006-02-08  Zdenek Dvorak <dvorakz@suse.cz>
164
165         * df.h (DF_REG_SIZE): Return the length of the initialized
166         part of the array.
167
168 2006-02-08  Nathan Sidwell  <nathan@codesourcery.com>
169
170         * gcc/config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
171         __muldf3): Return a correctly signed zero.
172
173 2006-02-08  Paolo Bonzini  <bonzini@gnu.org>
174
175         * passes.c (register_one_dump_file): Accept the current properties
176         instead of pass number.  Adjust call to dump_register.  Remove
177         duplicated code.
178         (register_dump_files): Now a wrapper around...
179         (register_dump_files_1): ... this one.  Do not modify the pass
180         structure.
181         (next_pass_1): Cosmetic fix.
182         (execute_todo): Keep second parameter only.  Use curr_properties
183         instead of fetching it from the pass structure.  Check and set
184         last_verified.
185         (execute_one_pass): Handle TODO_set_props.  Use curr_properties
186         instead of fetching it from the pass structure.  Fix calls to
187         execute_todo.  Update curr_properties and initialize .vcg RTL dump
188         after running the pass.  Reset last_verified.
189         * tree-dump.c (dump_files): Renumber consecutively.  Put .cgraph dump
190         at the beginning.
191         (FIRST_AUTO_NUMBERED_DUMP): New.
192         (dump_register): Remove "num" parameter, assign it within the
193         function.
194         (get_dump_file_name): Modify template for dumps.
195         * tree-dump.h (dump_register): Adjust prototype.
196         * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
197         (PROP_trees): Add PROP_gimple_lomp.
198         (TODO_set_props): New.
199         * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
200         * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
201         * cfgexpand.c (pass_expand): Destroy PROP_trees.
202
203 2006-02-08  Jakub Jelinek  <jakub@redhat.com>
204
205         * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
206         (sparc64-*-linux*): Likewise.
207         * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
208         * config/sparc/t-linux: New file.
209         * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
210         __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
211         (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
212         -m32 -mlong-double-128.
213
214         * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
215         * config/alpha/t-linux: New file.
216         * config/alpha/libgcc-alpha-ldbl.ver: New file.
217
218         * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
219         __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
220         (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
221         * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
222         __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
223         (CPP_ARCH32_SPEC): Remove.
224
225 2006-02-07  Uttam Pawar  <uttamp@us.ibm.com>
226
227         PR tree-optimization/26145
228         * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
229         bbs pointer.
230
231 2006-02-07  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
232
233         PR target/26109
234         * pa.c (attr_length_indirect_call): Don't return length 8 for distances
235         >= 240000 when generating code for SOM runtime.
236         (output_indirect_call): Don't use "b,l" instruction for indirect calls
237         to $$dyncall when generating code for SOM runtime..
238
239 2006-02-07  Dirk Mueller  <dmueller@suse.com>
240
241         PR c++/18150
242         * doc/invoke.texi (-Wsequence-point): Update documentation
243         that -Wsequence-point is implemented for C++ as well.
244
245 2006-02-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
246
247         * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
248         * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
249         (LIB_SPEC): Likewise.
250         * doc/invoke.texi (SPARC options): Document -pthread.
251
252 2006-02-07  Geoffrey Keating  <geoffk@apple.com>
253
254         * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
255         PIC addresses.
256
257 2006-02-07  Roger Sayle  <roger@eyesopen.com>
258
259         * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
260         Correct comment describing BOOLEAN_TYPE.
261
262 2006-02-07  Dirk Mueller  <dmueller@suse.com>
263
264         * c.opt: C++ frontend supports -Wdiv-by-zero.
265         * c-opts.c (c_common_handle_option): Remove dead case.
266
267 2006-02-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
268
269         * configure.ac (TLS assembler check): Do not enable TLS by
270         default on SPARC/Solaris before version 10.
271         * configure: Regenerate.
272
273 2006-02-07  David Edelsohn  <edelsohn@gnu.org>
274
275         * doc/invoke.texi (xl-compat): Document conversion and support
276         routine names.
277
278 2006-02-07  Jeff Law  <law@redhat.com>
279
280         * tree-vrp.c (find_conditional_asserts): Update comments.
281         (simplify_stmt_for_jump_threading): New.
282         (identify_jump_threads, finalize_jump_threads): New.
283         (vrp_finalize): Call identify_jump_threads.
284         (execute_vrp): Call finalize_jump_threads.
285         * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
286         (vrp_element, vrp_data, vrp_element_p): Remove.
287         (vrp_hash_elt, vrp_variables_stack): Remove.
288         (vrp_hash, vrp_eq, record_range): Remove.
289         (simplify_cond_and_lookup_avail_expr): Remove.
290         (extract_range_from_cond): Remove.
291         (thread_across_edge): Relocated into tree-ssa-threadedge.c.
292         (simplify_stmt_for_jump_threading): New.
293         (dom_thread_across_edge): New wrapper.
294         (tree_ssa_dominator_optimize): No longer initialize or
295         finalize any of the VRP datastructures.  Remove iteration
296         step and simplify as a result of removal of iteration step.
297         (pass_dominator): Perform a cfg cleanup after DOM.
298         (dom_opt_finalize_block): Use the new common routines
299         for threading jumps.  Simplify stack management slightly.
300         No longer need to unwind VRP state.
301         (record_equivalences_from_incoming_edge): No longer record
302         VRP information.
303         (eliminate_redundant_computations): No longer call
304         simplify_cond_and_lookup_avail_expr.
305         * tree-flow.h (potentially_threadable_block): Prototype.
306         (thread_across_edge): Likewise.
307         * Makefile.in (OBJS-common):  Add tree-ssa-threadedge.o
308         (tree-ssa-threadedge.o): Add dependencies.
309         * tree-ssa-threadedge.c: New file.
310         * passes.c (init_optimization_passes): Merge PHIs before
311         calling VRP.  Run VRP again late in the SSA optimization pipeline.
312
313 2006-02-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
314
315         * df-core.c (df_set_blocks): Do not dereference function pointers.
316         (df_finish1): Likewise.
317         (df_hybrid_search_forward): Likewise.
318         (df_hybrid_search_backward): Likewise.
319         (df_iterative_dataflow): Likewise.
320         (df_analyze_problem): Likewise.
321         (df_compact_blocks): Likewise.
322         (df_dump): Likewise.
323         * df-scan.c (df_rescan_blocks): Likewise.
324         (df_record_entry_block_defs): Likewise.
325
326         * genconditions.c (write_conditions): Guard the definition of
327         'insn_conditions' with the check on GCC version.
328         (write_writer): Guard the traversal 'insn_conditions' with
329         the check on GCC version.
330
331 2006-02-07  Richard Guenther  <rguenther@suse.de>
332
333         PR c++/26140
334         Revert
335         2006-01-30  Richard Guenther  <rguenther@suse.de>
336         PR c++/23372
337         * gimplify.c (gimplify_target_expr): Handle easy cases
338         without creating a temporary.
339
340 2006-02-07  Pete Steinmetz  <steinmtz@us.ibm.com>
341
342         * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
343         use of float in probability computations.  Use edge probabilities
344         in place of statically computed probabilities.
345         (min_spec_prob): New static variable.
346         (schedule_insns): Initialize it.
347         (GET_SRC_PROB): Removed.
348         * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
349
350 2006-02-07  Alexandre Oliva  <aoliva@redhat.com>
351
352         PR debug/24444
353         * config/ia64/unwind-ia64.c: Revert last change.
354         * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
355         (INCOMING_FRAME_SP_OFFSET): Define.
356
357 2006-02-06  Roger Sayle  <roger@eyesopen.com>
358
359         * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
360
361 2006-02-07  Ben Elliston  <bje@au.ibm.com>
362
363         * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
364         (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
365         (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
366         (ix86_return_in_memory): Handle TDmode.
367         (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
368         (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
369
370 2006-02-06  Richard Sandiford  <richard@codesourcery.com>
371
372         * reorg.c (dbr_schedule): Use dump_file instead of file.
373
374 2006-02-06  Steve Ellcey  <sje@cup.hp.com>
375
376         PR target/25917
377         * config/ia64/predicates.md (extr_len_operand): New predicate.
378         * config/ia64/ia64.md (extv): Tighten constraints.
379         (extzv): Ditto.
380         (*tbit_and_2): Ditto.
381         (*tbit_and_3): Ditto.
382         (*tbit_or_2): Ditto.
383         (*tbit_or_3): Ditto.
384         (*bit_zero): Ditto.
385         (*bit_one): Ditto.
386
387 2006-02-06  Andrew Pinski  <pinskia@physics.uc.edu>
388
389         PR target/23359
390         * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
391
392 2006-02-06  Zdenek Dvorak <dvorakz@suse.cz>
393
394         * tree-vrp.c (execute_vrp): Do not pass dump argument to.
395         loop_optimizer_init and loop_optimizer_finalize
396         * tree-ssa-sink.c (execute_sink_code): Ditto.
397         * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
398         * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
399         tree_ssa_loop_done): Ditto.
400         * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
401         * sched-ebb.c: Include output.h.
402         (schedule_ebbs): Do not use dump argument.
403         * value-prof.h (struct profile_hooks): Remove profile_dump_file.
404         * loop.c (loop_dump_stream): Removed.
405         (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
406         argument.
407         (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
408         emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
409         final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
410         loop_iterations, strength_reduce, record_biv, record_giv,
411         final_giv_value, check_final_value, check_ext_dependent_givs,
412         combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
413         try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
414         dump_file instead of loop_dump_stream.
415         * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
416         argument dump_file.
417         * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
418         dump argument.
419         * flow.c (life_analysis, rest_of_handle_life): Ditto.
420         * haifa-sched.c: Include output.h
421         (schedule_insns, sched_init): Do not use dump argument.
422         * mode-switching.c (optimize_mode_switching): Ditto.
423         * modulo-sched.c (stats_file): Removed.
424         (print_node_sched_params): Do not call argument dump_file.
425         (sms_schedule_by_order, loop_canon_p, sms_schedule,
426         rest_of_handle_sms): Do not use dump argument.  Use dump_file instead
427         of stats_file.
428         * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
429         use dump argument.
430         * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
431         rtl_loop_init, rtl_loop_done): Ditto.
432         * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
433         * predict.c (combine_predictions_for_bb, tree_estimate_probability):
434         Ditto.
435         * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
436         * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
437         * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
438         rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
439         * emit-rtl.c (renumber_insns): Ditto.
440         * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
441         expand_gimple_basic_block, tree_expand_cfg): Ditto.
442         * regclass.c (regclass): Ditto.
443         * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
444         remove_ssa_form, rewrite_out_of_ssa): Ditto.
445         * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
446         convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
447         Ditto.
448         * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
449         * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
450         to regclass.
451         * gcse.c (gcse_file, debug_stderr): Removed.
452         (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
453         rest_of_handle_gcse): Do not use dump argument.
454         (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
455         one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
456         pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
457         compute_code_hoist_vbeinout, compute_code_hoist_data,
458         one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
459         compute_store_table, build_store_vectors, insert_insn_start_bb,
460         insert_store, remove_reachable_equiv_notes, replace_store_insn,
461         store_motion): Use dump_file instead of gcse_file.
462         * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
463         * profile.c (profile_dump_file): Removed.
464         (branch_prob): Use dump_file instead of profile_dump_file.
465         * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
466         dump_file.
467         * tree-ssa-copy.c (dump_copy_of): Ditto.
468         * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
469         dump file to life_analysis.
470         * bt-load.c (branch_target_load_optimize): Ditto.
471         * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
472         renumber_insns.
473         * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
474         regclass, dbr_schedule): Declaration changed.
475         * sched-int.h (sched_init): Declaration changed.
476         * tree-profile.c (tree_profile_dump_file): Removed.
477         (tree_profile_hooks): Removed profile_dump_file hook.
478         * rtl-profile (rtl_profile_dump_file): Removed.
479         (rtl_profile_hooks): emoved profile_dump_file hook.
480         * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
481         changed.
482         * c-gimplify.c (c_genericize): Do not call local variable dump_file.
483         * tree-cfg.c (build_tree_cfg): Ditto.
484         * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
485         * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
486         Declaration changed.
487         * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
488         life_analysis and schedule_insns.
489         * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
490         life_analysis.
491         * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
492         dbr_schedule.
493         * config/mips/mips.c (mips_reorg): Ditto.
494         * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
495         schedule_ebbs.
496
497 2006-02-06  Aldy Hernandez  <aldyh@redhat.com>
498
499         * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
500         (s390_mangle_fundamental_type): New.
501         * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
502         Define.
503
504         * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
505         (alpha_mangle_fundamental_type): New.
506         * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
507         Define.
508
509         * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
510         Define.
511         * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
512         Define.
513         * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
514         (sparc_mangle_fundamental_type): New.
515
516 2006-02-06  Jakub Jelinek  <jakub@redhat.com>
517
518         * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
519         (s390x-*-linux*): Likewise.
520         * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
521         * config/s390/t-linux: New file.
522
523 2006-02-02  Bernd Schmidt  <bernd.schmidt@analog.com>
524
525         * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
526         sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
527
528 2006-02-06  Daniel Berlin  <dberlin@dberlin.org>
529
530         * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
531         (ANTIC_SAFE_LOADS): New macro.
532         (find_or_generate_expression): Add prototype.
533         (set_contains_value): Allow null set for sake of not always having
534         to allocate ANTIC_SAFE_LOADS.
535         (phi_translate): Move placement of AGGREGATE_TYPE_P check.
536         Allow COMPONENT_REF too.
537         (valid_in_set): Allow COMPONENT_REF.
538         Check ANTIC_SAFE_LOADS too.
539         (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
540         (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
541         rename.
542         (can_PRE_operation): Add COMPONENT_REF.
543         (create_component_ref_by_pieces): New function.
544         (create_expression_by_pieces): Use create_component_ref_by_pieces.
545         (insert_aux): Move AGGREGATE_TYPE_P check here.
546         (compute_avail): Set bb local stmt uids.
547         (pass_pre): Use TODO_update_ssa_only_virtuals.
548         
549 2006-02-06  Ben Elliston  <bje@au.ibm.com>
550
551         * configure.ac: Unconditionally disable decimal float by default.
552         * configure: Regenerate.
553
554 2006-02-06  Ben Elliston  <bje@au.ibm.com>
555
556         * read-rtl.c (read_name): Terminate reading on EOF.
557
558 2006-02-06  Ben Elliston  <bje@au.ibm.com>
559
560         * dfp.c (decimal_real_arithmetic): Change second argument type
561         from int to enum tree_code. Do not always return true, but now
562         return result of any call to decimal_do helper functions.
563         * dfp.h (decimal_real_arithmetic): Update prototype.
564
565 2006-02-05  Eric Botcazou  <ebotcazou@libertysurf.fr>
566
567         * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
568
569 2006-02-05  Andrew Pinski  <pinskia@physics.uc.edu>
570
571         PR tree-opt/25251
572         * tree-cfg.c (cleanup_dead_labels): Also don't remove
573         forced labels.
574
575 2006-02-04  Zdenek Dvorak <dvorakz@suse.cz>
576
577         * tree-vrp.c (cfg_loops): Removed.
578         (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
579         Use current_loops instead of cfg_loops.  Pass flags to
580         loop_optimizer_init.
581         * cfgloopmanip.c (fix_loop_structure): Update only available
582         information.
583         * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
584         loop_optimizer_init.
585         * modulo-sched.c (build_loops_structure): Removed.
586         (sms_schedule): Use loop_optimizer_init.
587         * loop-init.c (loop_optimizer_init): Use flags to determine
588         which properties of loops to prepare.
589         (rtl_loop_init): Pass flags to loop_optimizer_init.
590         * tree-ssa-sink.c (execute_sink_code): Ditto.
591         * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
592         * tree-ssa-pre.c (init_pre): Ditto.
593         * cfgloop.h (LOOPS_NORMAL): New.
594         (loop_optimizer_init): Declaration changed.
595
596 2006-02-05  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
597
598         * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
599         * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
600         pa/t-pa.
601         * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
602         pa/t-pa.
603         * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
604         pa/x-ada.
605         * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
606         * pa/t-pa64: Delete quadlib.c rule.
607         * pa/x-ada: Revert last change.
608         * pa/t-pa: Revert last change.  Delete quadlib.c rule.
609
610 2006-02-04  Zdenek Dvorak <dvorakz@suse.cz>
611
612         PR rtl-optimization/26087
613         * rtlanal.c (canonicalize_condition): Do not cross basic block
614         boundaries.
615
616 2006-02-04  Alexandre Oliva  <aoliva@redhat.com>
617
618         PR debug/24444
619         * config/ia64/ia64.c: Include debug.h.
620         (MAX_ARTIFICIAL_LABEL_BYTES): New.
621         (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
622         (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
623         (process_epilogue, process_set, process_for_unwind_directive):
624         Output unwind info only if requested.  Add CFA info if requested.
625         Add new arguments as needed.  Adjust callers.
626         * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
627         incorrect default.
628         (DWARF2_FRAME_INFO): Define to zero.
629         * config/ia64/unwind-ia64.c: Remove code that compensated for
630         the CFA offset error fixed above.
631         * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
632         * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
633         (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
634         -funwind-tables and -fexceptions to enable frame info.
635         (dwarf2out_frame_init): Define initial CFA even if
636         DWARF2_UNWIND_INFO is disabled.  Call initial_return_save if
637         DWARF2_UNWIND_INFO is nonzero, not just defined.
638         (dwarf2out_frame_finish): Output non-EH call frame info only
639         if DWARF2_FRAME_INFO is nonzero.
640         (convert_cfa_to_loc_list,
641         compute_frame_pointer_to_cfa_displacement): Define even if
642         unwind info is not supported.
643         (gen_subprogram_die): Use the above unconditionally.  Remove
644         legacy alternate code.
645         * toplev.c (compile_file): Compile in call to
646         dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
647         (lang_dependent_init): Ditto for dwarf2out_frame_init.
648
649 2006-02-04  David Edelsohn  <edelsohn@gnu.org>
650             Jakub Jelinek  <jakub@redhat.com>
651
652         * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
653         IBM extended float format long double as "g" on powerpc*-linux.
654
655 2006-02-03  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
656
657         PR target/25926
658         * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
659         * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
660
661 2006-02-03  Jason Merrill  <jason@redhat.com>
662
663         PR c++/25979
664         * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
665
666         PR middle-end/25977
667         * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
668         on the return slot if it's an NRV.
669
670 2006-02-03  Zdenek Dvorak <dvorakz@suse.cz>
671
672         * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
673         (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
674         rewrite_use): Do not handle USE_OUTER.
675         (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
676         add_iv_outer_candidates, may_replace_final_value,
677         determine_use_iv_cost_outer, rewrite_use_outer): Removed.
678         (find_interesting_uses_op): Functionality of
679         find_interesting_uses_outer_or_nonlin moved here.
680         (find_interesting_uses_outside): Use find_interesting_uses_op.
681
682 2006-02-03  Alan Modra  <amodra@bigpond.net.au>
683
684         PR target/25960
685         * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
686
687 2006-02-03  Andreas Krebbel  <krebbel1@de.ibm.com>
688             Ulrich Weigand  <uweigand@de.ibm.com>
689
690         PR target/25864
691         * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
692         "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
693         * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
694         * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr 
695         and dxr fields.
696         (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
697         (s390_rtx_costs): Use the new fields to calculate rtx costs.
698         (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
699         Define secondary reloads for TFmode moves.
700         (constant_modes): Add TFmode.
701         (NR_C_MODES): Set to 8.
702         * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
703         builtin define.
704         (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
705         (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
706         (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS, 
707         CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
708         * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf, 
709         fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
710         (FPR mode macro): Add TFmode.
711         (DSF mode macro): New.
712         (<de>, <dee> mode attributes): Removed.
713         (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
714         ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs", 
715         "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee", 
716         "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3", 
717         "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm", 
718         "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly", 
719         "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
720         "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc", 
721         "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm", 
722         "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
723         "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly", 
724         "*negabs<mode>2", "sqrt<mode>2"):
725         Changed <de> to <xde>. R constraint replaced by <Rf>.
726         ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by 
727         <Rf>.
728         ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
729         ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
730         ("*movtf_64", "*movtf_31"): New insn definitions followed by 5 
731         splitters.
732         ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2", 
733         "extenddftf2", "extendsftf2"): New expanders.
734         ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee", 
735         "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
736         "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
737         * config/s390/s390.opt (mlong-double-128, mlong-double-64):
738         New options.
739         * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
740         * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2, 
741         __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
742         __floatditf): Add a GCC_4.1.0 symbol version tag.
743         * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
744         the new options.
745
746 2006-02-02  Andrew Pinski  <pinskia@physics.uc.edu>
747
748         PR target/25377
749         * config/i386/i386.c (ix86_function_ok_for_sibcall):
750         Use targetm.binds_local_p instead of TREE_PUBLIC.
751
752 2006-02-02  Roger Sayle  <roger@eyesopen.com>
753
754         * tree.h (TYPE_STRING_FLAG): Document that this field may be used
755         on INTEGER_TYPEs to indicate that it denotes a character type.
756         * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
757         signed_char_type_node, unsigned_char_type_node and char_type_node.
758         * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
759         INTEGER_TYPE.  Use TYPE_STRING_FLAG to decide whether to emit
760         a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
761
762 2006-02-02  Zdenek Dvorak <dvorakz@suse.cz>
763             Daniel Berlin  <dberlin@dberlin.org>
764
765         * tree-tailcall.c (arg_needs_copy_p): New function.
766         (eliminate_tail_call): Use arg_needs_copy_p.
767         (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
768         (add_virtual_phis): New function.
769
770 2006-02-02  Jakub Jelinek  <jakub@redhat.com>
771
772         * config/sparc/sparc.c (sparc_output_scratch_registers): Use
773         #ignore instead of #scratch for %g7 .register directive.
774
775 2006-02-02  Andreas Tobler  <a.tobler@schweiz.ch>
776
777         * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
778         object files.
779
780 2006-02-02  Bernd Schmidt  <bernd.schmidt@analog.com>
781
782         * flow.c (calculate_global_regs_live): Assert that there aren't any
783         EDGE_FAKE edges.
784
785 2006-02-02  Paolo Bonzini  <bonzini@gnu.org>
786
787         * tree-flow-inline.h (bsi_after_labels): Rewrite, return
788         what its name says.
789         * lambda-code.c (perfect_nestify): Use bsi_insert_before on
790         bsi_after_labels iterator.
791         * tree-if-conv.c (find_phi_replacement_condition,
792         replace_phi_with_cond_modify_expr): Likewise.
793         * tree-scalar-evolution.c (scev_const_prop): Likewise.
794         * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
795
796 2006-02-02  Diego Novillo  <dnovillo@redhat.com>
797
798         * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
799
800 2006-02-02  Diego Novillo  <dnovillo@redhat.com>
801
802         PR 25990
803         * tree-cfg.c (move_block_to_fn): Clear out the basic block
804         array after growing it.
805
806 2006-02-01  Steve Ellcey  <sje@cup.hp.com>
807
808         PR middle-end/24901
809         * fold-const.c (fold_checksum_tree): Change type of buf.
810
811 2006-02-01  Bernd Schmidt  <bernd.schmidt@analog.com>
812
813         * reload.c (push_secondary_reload): Initialize t_icode.
814
815 2006-02-01  Jakub Jelinek  <jakub@redhat.com>
816
817         * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
818         -msoft-float -mlong-double-128 only issue a warning, but don't
819         swich to DFmode long double.
820
821 2006-02-01  Hans-Peter Nilsson  <hp@axis.com>
822
823         * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
824         has a constant equivalent, iterate over equivalents for arg0,
825         calling simplify_relational_operation and if there's a result
826         cheaper than X, apply fold_rtx and return the result.
827
828 2006-02-01  Jan Hubicka  <jh@suse.cz>
829
830         * opts.c (no_unit_at_a_time_default): New global variable.
831         (decode_options): Use it.
832         * opts.h (no_unit_at_a_time_default): Declare.
833
834 2006-02-01  Paul Brook  <paul@codesourcery.com>
835
836         * function.c (assign_parm_setup_reg): Use function argument promotion
837         rules.
838         * expr.c (expand_expr_real_1): Use function argument promotion rules
839         for PARM_DECLs.
840
841 2006-02-01  Steve Ellcey  <sje@cup.hp.com>
842
843         * gcc.c (process_command): Change j to 'unsigned int'.
844
845 2006-01-31  Andrew Pinski  <pinskia@physics.uc.edu>
846
847         PR middle-end/26001
848         * expr.c (expand_expr_real_1) <case ARRAY_REF>:
849         Use the corrected index for the character
850         out of the string constant.
851
852 2006-01-31  Andrew Pinski  <pinskia@physics.uc.edu>
853
854         * mode-switching.c (optimize_mode_switching): Fix size
855         allocated for bb_info[n_entities].
856
857 2006-01-31  Andrew Pinski  <pinskia@physics.uc.edu>
858
859         * gcc.c (main): Correct type that is allocated for
860         explicit_link_files.
861
862 2006-01-31  Jakub Jelinek  <jakub@redhat.com>
863
864         * config/s390/s390.c (init_alignment_context): Set
865         ALIAS_SET_MEMORY_BARRIER on the MEM.
866         * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
867
868 2006-01-31  Uttam Pawar  <uttamp@us.ibm.com>
869
870         PR middle-end/25933
871         * loop-unroll.c (unroll_loop_runtime_iterations): Free
872         dom_bbs pointer.
873         * tree-ssa-live.c (type_var_init): Allocate bitmap after
874         call to tpa_init.
875
876 2006-01-31  Marcin Dalecki  <martin@dalecki.de>
877
878         * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
879         * regrename.c: Ditto.
880         * tree-ssa-loop-im.c: Ditto.
881         * tree-dump.c: Ditto.
882         * tree-complex.c: Ditto.
883         * genrecog.c: Ditto.
884         * tree-ssa-threadupdate.c: Ditto.
885         * tracer.c: Ditto.
886         * java/class.c: Ditto.
887         * java/jcf-parse.c: Ditto.
888         * java/resource.c: Ditto.
889         * java/except.c: Ditto.
890         * java/jvspec.c: Ditto.
891         * java/jcf-write.c: Ditto.
892         * java/jcf-path.c: Ditto.
893         * java/gjavah.c: Ditto.
894         * java/zextract.c: Ditto.
895         * java/jcf-io.c: Ditto.
896         * java/jcf.h: Ditto.
897         * java/buffer.c: Ditto.
898         * java/lang.c: Ditto.
899         * java/parse-scan.y: Ditto.
900         * java/lex.c: Ditto.
901         * java/lex.h: Ditto.
902         * cfgloopmanip.c: Ditto.
903         * postreload-gcse.c: Ditto.
904         * tree-ssa-loop-manip.c: Ditto.
905         * postreload.c: Ditto.
906         * tree-ssa-loop-ch.c: Ditto.
907         * loop.c: Ditto.
908         * ipa-cp.c: Ditto.
909         * cppspec.c: Ditto.
910         * diagnostic.c: Ditto.
911         * final.c: Ditto.
912         * genoutput.c: Ditto.
913         * gcc.c: Ditto.
914         * cfghooks.c: Ditto.
915         * cfgloopanal.c: Ditto.
916         * objc/objc-act.c: Ditto.
917         * gcov.c: Ditto.
918         * genextract.c: Ditto.
919         * genautomata.c: Ditto.
920         * pretty-print.c: Ditto.
921         * genemit.c: Ditto.
922         * cgraphunit.c: Ditto.
923         * flow.c: Ditto.
924         * df-scan.c: Ditto.
925         * haifa-sched.c: Ditto.
926         * dominance.c: Ditto.
927         * dbxout.c: Ditto.
928         * tree-ssa-loop-ivopts.c: Ditto.
929         * df-core.c: Ditto.
930         * mode-switching.c: Ditto.
931         * modulo-sched.c: Ditto.
932         * graph.c: Ditto.
933         * ipa-pure-const.c: Ditto.
934         * cse.c: Ditto.
935         * fix-header.c: Ditto.
936         * web.c: Ditto.
937         * tree-stdarg.c: Ditto.
938         * ipa-utils.c: Ditto.
939         * loop-init.c: Ditto.
940         * ipa-inline.c: Ditto.
941         * cfganal.c: Ditto.
942         * global.c: Ditto.
943         * alloc-pool.c: Ditto.
944         * dwarf2out.c: Ditto.
945         * opts.c: Ditto.
946         * genattrtab.c: Ditto.
947         * tree-ssa-loop-ivcanon.c: Ditto.
948         * predict.c: Ditto.
949         * timevar.c: Ditto.
950         * lcm.c: Ditto.
951         * fortran/gfortranspec.c: Ditto.
952         * regmove.c: Ditto.
953         * local-alloc.c: Ditto.
954         * langhooks.c: Ditto.
955         * function.c: Ditto.
956         * tree-vectorizer.c: Ditto.
957         * gcse.c: Ditto.
958         * ipa-type-escape.c: Ditto.
959         * alias.c: Ditto.
960         * tree-if-conv.c: Ditto.
961         * profile.c: Ditto.
962         * ipa.c: Ditto.
963         * tree-data-ref.c: Ditto.
964         * loop-unroll.c: Ditto.
965         * treelang/treetree.c: Ditto.
966         * calls.c: Ditto.
967         * bt-load.c: Ditto.
968         * ggc-common.c: Ditto.
969         * except.c: Ditto.
970         * coverage.c: Ditto.
971         * cselib.c: Ditto.
972         * tree-cfgcleanup.c: Ditto.
973         * tree-ssa-pre.c: Ditto.
974         * cfgcleanup.c: Ditto.
975         * loop-invariant.c: Ditto.
976         * loop-iv.c: Ditto.
977         * ipa-prop.c: Ditto.
978         * print-tree.c: Ditto.
979         * conflict.c: Ditto.
980         * ggc-page.c: Ditto.
981         * sched-deps.c: Ditto.
982         * regclass.c: Ditto.
983         * tree-object-size.c: Ditto.
984         * combine.c: Ditto.
985         * bb-reorder.c: Ditto.
986         * resource.c: Ditto.
987         * var-tracking.c: Ditto.
988         * cfgloop.c: Ditto.
989         * df-problems.c: Ditto.
990         * reg-stack.c: Ditto.
991         * tlink.c: Ditto.
992         * gccspec.c: Ditto.
993         * sched-rgn.c: Ditto.
994         * tree-ssa-structalias.c: Ditto.
995         * tree-ssa-reassoc.c: Ditto.
996         * config/darwin-c.c: Ditto.
997         * config/darwin.c: Ditto.
998         * config/arm/arm.c: Ditto.
999         * cfgrtl.c: Ditto.
1000         * collect2.c: Ditto.
1001         * reload1.c: Ditto.
1002
1003 2006-01-31  Nicolas Pitre  <nico@cam.org>
1004
1005         * arm.md (smaxsi3): Make aware of smax_m1.
1006         (smax_m1): New.
1007
1008 2006-01-31  Nathan Sidwell  <nathan@codesourcery.com>
1009
1010         * gcc/config/m68k/lb1sf68.asm: Use moveq to load small constants.
1011
1012 2006-01-31  Richard Guenther  <rguenther@suse.de>
1013
1014         * doc/invoke.texi (-msselibm): Document.
1015         * target.h (expand_library_builtin): New target hook.
1016         * builtins.c (expand_builtin): Use expand_library_builtin.
1017         (default_expand_library_builtin): New function.
1018         * gcc.c (LINK_GCC_MATH_SPEC): Define.
1019         (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
1020         (link_gcc_math_spec): Declare.
1021         (static_specs): Add link_gcc_math_spec.
1022         * expr.h (default_expand_library_builtin): Declare.
1023         * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
1024         (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
1025         * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
1026         * config/i386/i386.opt (msselibm): New target option.
1027         * config/i386/i386.c (ix86_builtin_function_variants): New array.
1028         (ix86_init_sse_abi_builtins): New function.
1029         (ix86_expand_library_builtin): Likewise.
1030         (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
1031         (override_options): Handle error conditions wrt -msselibm.
1032         (ix86_builtins): Add function codes for SSE2 ABI builtins.
1033         (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
1034         * doc/extend.texi (__builtin_sse2_*): Document new target specific
1035         builtins.
1036
1037 2006-01-31  Richard Guenther  <rguenther@suse.de>
1038         Paolo Bonzini  <bonzini@gnu.org>
1039
1040         * doc/install.texi (--disable-libgcc-math): Document.
1041
1042 2006-01-30  Marcin Dalecki  <martin@dalecki.de>
1043
1044         * expr.h (expand_normal): new inline function.
1045         * builtins.c: use it, use EXPAND_NORMAL explicitely.
1046         * dojump.c: use it.
1047         * dwarf2out.c: use it.
1048         * expr.c: use it.
1049         * calls.c: use it.
1050         * expmed.c: use it.
1051         * except.c: use it.
1052         * config/sparc/sparc.c: use it.
1053         * config/i386/i386.c: use it.
1054         * config/rs6000/rs6000.c: use it.
1055         * config/arm/arm.c: use it.
1056         * config/mips/mips.c: use it.
1057         * stmt.c: use it, use EXPAND_NORMAL explicitely.
1058
1059 2006-01-30  Roger Sayle  <roger@eyesopen.com>
1060
1061         * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
1062         argv to the appropriate type.
1063
1064 2006-01-30  Zdenek Dvorak <dvorakz@suse.cz>
1065
1066         * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
1067         unreachable code.
1068
1069 2006-01-30  Ulrich Weigand  <uweigand@de.ibm.com>
1070
1071         PR target/26018
1072         * config/s390/s390.c (struct machine_function): New flag
1073         decomposed_literal_pool_addresses_ok_p.
1074         (s390_reorg): Set it before final stage of literal pool transforms.
1075         (s390_decompose_address): Only accept displacements of the form
1076         (minus (label_ref ...) (label_ref ...)) if that flag is set.
1077
1078 2006-01-30  Carlos O'Donell  <carlos@codesourcery.com>
1079
1080         * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
1081         the comparison routine return.
1082
1083 2006-01-30  Michael Matz  <matz@suse.de>
1084
1085         * global.c (find_reg): Only evict for global regs.
1086         Take n_refs into account and dump more info.
1087
1088 2006-01-30  J"orn Rennecke <joern.rennecke@st.com>
1089
1090         PR target/14798:
1091         * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
1092         (pragma_trap, pragma_nosave_low_regs): Likewise.
1093         (current_function_anonymous_args): Likewise.
1094         (sh_deferred_function_attributes): New variable.
1095         (sh_deferred_function_attributes_tail): Likewise.
1096         (print_operand): For '@', look up trap_exit attribute.
1097         (calc_live_regs): Look up trapa_handler attribute.  For trapa
1098         handlers, save/restore fpscr, but don't do any other
1099         interrupt-specific saves.
1100         Don't save r0..r7 if the nosave_low_regs attribute is in effect.
1101         Fix check for partially saved registers to check for SHmedia.
1102         (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
1103         (sh_output_function_epilogue): Don't clear any of the removed
1104         variables.
1105         (sh_insert_attributes): Don't check pragma_interrupt.
1106         Insert deferred attributes.  Check that interrupt attribute is
1107         present for other attributes that require its presence.
1108         (sh_attribute_table): Add new attributes trapa_handler and
1109         nosave_low_regs.
1110         (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
1111         Don't check for pragma_interrupt.  Don't store argument.
1112         * sh.h (pragma_interrupt, sp_switch): Don't declare.
1113         (sh_deferred_function_attributes): Declare.
1114         (sh_deferred_function_attributes_tail): Likewise.
1115         * sh.md (sp_switch_1): Add operand.  Change generator caller.
1116         (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
1117         (*return_i): Don't use when trap_exit attribute is in effect.
1118         (*return_trapa): New insn pattern.
1119         * sh-c.c: New file.
1120         * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
1121         setting c_target_objs and cxx_target_objs.
1122         * t-sh: Add rule for sh-c.o.
1123
1124 2006-01-30  Richard Guenther  <rguenther@suse.de>
1125
1126         PR c++/23372
1127         * gimplify.c (gimplify_target_expr): Handle easy cases
1128         without creating a temporary.
1129
1130 2006-01-30  Nathan Sidwell  <nathan@codesourcery.com>
1131
1132         * vec.h (safe_grow): Remove duplicated line.
1133
1134 2006-01-29  Diego Novillo  <dnovillo@redhat.com>
1135
1136         PR 25874
1137         * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
1138         (expand_omp): ... here.
1139         (expand_omp_parallel): Only remove barriers for combined
1140         parallel+workshare constructs.
1141
1142 2006-01-29  Eric Botcazou  <ebotcazou@adacore.com>
1143
1144         Revert
1145
1146         2005-11-09  Eric Botcazou  <ebotcazou@adacore.com>
1147         * tree.c (build_qualified_type): Chain the new type to the original
1148         type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
1149         a POINTER_TYPE or a REFERENCE_TYPE respectively.
1150         (build_pointer_type_for_mode): Only return unqualified types.
1151         (build_reference_type_for_mode): Likewise.
1152
1153 2006-01-29  Gabriel Dos Reis  <gdr@integgrable-solutions.net>
1154
1155         * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
1156         * Makefile.in (CXX_COMPAT_WARN): Define.
1157         * configure: Regenerate.
1158
1159 2006-01-29  Dorit Nuzman  <dorit@il.ibm.com>
1160
1161         PR tree-opt/25911
1162         * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
1163         to an if check.
1164
1165 2006-01-29  Gabriel Dos Reis  <gdr@integrable-solutions.net>
1166
1167         * toplev.c: Fix thinko.
1168
1169 2006-01-29  Gabriel Dos Reis  <gdr@integrable-solutions.net>
1170             Marcin Dalecki  <martin@dalecki.de>
1171
1172         * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
1173         (push_srcloc): Use XNEW.
1174         (init_asm_output, default_get_pch_validity): Use XNEWVEC.
1175
1176 2006-01-29  Kenneth Zadeck <zadeck@naturalbridge.com>
1177
1178         * df-core.c (df_set_blocks): Deleted all variable.
1179
1180 2006-01-28  Ian Lance Taylor  <ian@airs.com>
1181
1182         * cgraphunit.c (cgraph_assemble_pending_functions): Call
1183         cgraph_output_pending_asms.
1184
1185 2006-01-28  Zack Weinberg  <zackw@panix.com>
1186
1187         * c.opt: Add -W(no-)overlength-strings.
1188         * doc/invoke.texi: Document it.
1189         * c-opts.c (c_common_handle_option): -pedantic implies
1190         -Woverlength-strings, if not explicitly disabled already.
1191         (c_common_post_options): -Woverlength-strings defaults to off, and
1192         is always off for C++.
1193         * c-common.c (fix_string_type): Issue warning about strings longer
1194         than is portable only if warn_overlength_strings.  Rearrange code
1195         a little for clarity.
1196         * configure.in: Check for -Wno-overlength-strings as well before
1197         enabling -pedantic in stage 1.
1198         * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
1199         (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
1200
1201         * genconditions.c (write_header, write_one_condition)
1202         (write_conditions, write_writer): Consolidate very long strings
1203         that were broken up to fit in C89 portable limit.  Don't use
1204         printf when fputs will do.
1205
1206 2006-01-28  Adam Nemet  <anemet@caviumnetworks.com>
1207
1208         * combine.c (simplify_comparison <AND>): Check
1209         TRULY_NOOP_TRUNCATION before start using a subreg.
1210
1211         * config/mips/mips.md (*branch_zero<mode>,
1212         *branch_zero<mode>_inverted, *branch_equality<mode>,
1213         *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
1214         Remove mode check from comparisons.
1215
1216 2006-01-28  Kenneth Zadeck <zadeck@naturalbridge.com>
1217
1218         * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
1219
1220 2006-01-28  Kazu Hirata  <kazu@codesourcery.com>
1221
1222         * expmed.c (const_mult_add_overflow_p): Remove.
1223         * expr.h: Remove the prototype for const_mult_add_overflow_p.
1224
1225         * recog.c (validate_replace_rtx_subexp): Remove.
1226         * recog.h: Remove the prototype for
1227         validate_replace_rtx_subexp.
1228
1229         * integrate.h: Remove the prototype for
1230         copy_decl_for_inlining.
1231         * rtl.h: Remove the prototype for mark_constant_function.
1232         * tree-vectorizer.h: Remove the prototype for
1233         vect_strip_conversion.
1234
1235         * modulo-sched.c (create_partial_schedule,
1236         free_partial_schedule, reset_partial_schedule): Make them
1237         static.
1238
1239         * hooks.c (hook_bool_rtx_int_false): Remove.
1240         * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
1241
1242 2006-01-28  David Edelsohn  <edelsohn@gnu.org>
1243
1244         * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
1245         and -mlong-double-128 are incompatible.
1246         * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
1247         * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
1248         (TARGET_LIBGCC2_CFLAGS): Define.
1249         * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
1250         (TARGET_LIBGCC2_CFLAGS): Same.
1251         * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
1252
1253 2006-01-28  Kazu Hirata  <kazu@codesourcery.com>
1254
1255         PR c/19606.
1256         * c-typeck.c (build_binary_op): Perform implicit casts of
1257         operands before shortening them.
1258
1259         * cfgloopmanip.c (split_loop_bb): Remove.
1260         * cfgloop.h: Remove the prototype for split_loop_bb.
1261
1262         * cfgloop.c (flow_loop_outside_edge_p): Remove.
1263         * cfgloop.h: Remove the prototype for
1264         flow_loop_outside_edge_p.
1265
1266         * emit-rtl.c (init_virtual_regs): Make it static.
1267         * function.h: Remove the prototype for init_virtual_regs.
1268
1269         * recog.c (peephole2_optimize): Make it static.
1270         * recog.h: Remove the prototype for peephole2_optimize.
1271
1272 2006-01-27  H.J. Lu  <hongjiu.lu@intel.com>
1273
1274         * df-scan.c (df_record_entry_block_defs): Check if
1275         INCOMING_RETURN_ADDR_RTX is defined.
1276
1277 2006-01-27  Daniel Berlin  <dberlin@dberlin.org>
1278             Kenneth Zadeck <zadeck@naturalbridge.com>
1279
1280         PR rtl-optimization/24762
1281         * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
1282         * targhooks.c (hook_void_bitmap): New hook prototype.
1283         * targhoohs.h (hook_void_bitmap): Ditto.
1284         * bitmap.h (bitmap_head_def): Moved to coretypes.h.
1285         * coretypes.h (bitmap_head_def): Moved from bitmap.h.
1286         * target.h (live_on_entry): New function pointer.
1287         * df-scan.c (df_all_hard_regs): Removed.
1288         (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
1289         (df_scan_free_internal): Added df->entry_block_defs.
1290         (df_scan_alloc): Ditto.
1291         (df_scan_dump): Ditto.
1292         (df_uses_record): Plumbed flag field properly thru calls.
1293         Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
1294         This part fixes PR24762.
1295         (df_bb_refs_record): Added code to make the frame and arg
1296         pointers live in EH blocks.
1297         (df_refs_record): Added call to df_record_entry_block_defs.
1298         (df_record_entry_block_defs): New function.
1299         * df-core.c: Added comments to describe new artifical defs.
1300         * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
1301         (entry_block_defs): New field in struct df.
1302         (df_all_hard_regs): Deleted.
1303         * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
1304         * df-problems.c (df_ru_bb_local_compute_process_def):
1305         Added code to handle artifical defs in the entry to a function.
1306         (df_ru_bb_local_compute): Ditto.
1307         (df_rd_bb_local_compute_process_def):  Ditto.
1308         (df_rd_bb_local_compute): Ditto.
1309         (df_lr_bb_local_compute): Ditto.
1310         (df_ur_bb_local_compute): Ditto.
1311         (df_urec_bb_local_compute):  Ditto.
1312         (df_chain_create_bb):  Ditto.
1313         (df_ur_local_finalize): Removed entry.
1314         (df_urec_init): Ditto.
1315         (df_urec_local_finalize): Ditto.
1316         (df_ri_bb_compute): Added detection of last use of pseudos.
1317         * Makefile.in (df-scan.o): Updated dependencies.
1318         * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
1319         * config/mips/mips.c (mips_set_live_on_entry): Added.
1320         * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
1321         for target hook.
1322         * dce.c (marked_insn_p): Added code to handle artifical defs.
1323
1324 2006-01-27  H.J. Lu  <hongjiu.lu@intel.com>
1325
1326         * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
1327         intrinsic.
1328         (_mm_cvtsi128_si64): Likewise.
1329         (_mm_cvtsd_si64): Likewise.
1330         (_mm_cvttsd_si64): Likewise.
1331         (_mm_cvtsi64_sd): Likewise.
1332         (_mm_cvtsi64_si128): Likewise.
1333         * config/i386/mmintrin.h (_m_from_int64): Likewise.
1334         (_mm_cvtsi64_m64): Likewise.
1335         (_m_to_int64): Likewise.
1336         (_mm_cvtm64_si64): Likewise.
1337         * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
1338         (_mm_cvttss_si64): Likewise.
1339         (_mm_cvtsi64_ss): Likewise.
1340         (_mm_cvtss_f32): Likewise.
1341
1342 2006-01-27  Carlos O'Donell  <carlos@codesourcery.com>
1343
1344         * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
1345         for pragma redefine_extname.
1346
1347 2006-01-27  Jakub Jelinek  <jakub@redhat.com>
1348
1349         PR target/25864
1350         * libgcc-std.ver: Add GCC_4.1.0 symbol version.
1351         * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
1352         -mno-minimal-toc to previous content.
1353         (bispecs): Remove goal.
1354         * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
1355         * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
1356         compatibility aliases on powerpc-*-*gnu*.
1357         * config/rs6000/libgcc-ppc-glibc.ver: New file.
1358         * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
1359         libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
1360         (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
1361         (ldblspecs): New goal.
1362         * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
1363         * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
1364         _df_to_tf.
1365         * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
1366         L_sf_to_tf or L_df_to_tf is defined.
1367
1368 2006-01-27  David Edelsohn  <edelsohn@gnu.org>
1369             Alan Modra  <amodra@bigpond.net.au>
1370
1371         PR target/25864
1372         * config/rs6000/linux.h (POWERPC_LINUX): Define.
1373         * config/rs6000/linux64.h (POWERPC_LINUX): Define.
1374         * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
1375         * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
1376         * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
1377         * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
1378         (rs6000_override_options): Initialize rs6000_ieeequad.
1379         Initialize TFmode format to ibm_extended_format if not
1380         TARGET_IEEEQUAD.
1381         (rs6000_handle_option): Accept -mabi= ibmlongdouble and
1382         ieeelongdouble.
1383         (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
1384         (rs6000_return_in_memory): Only return IEEEQUAD in memory.
1385         (function_arg_advance): IBM long double passed in two FPRs, not
1386         split.
1387         (function_arg): IBM long double passed in FPRs.
1388         (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
1389         (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
1390         Only multireg GPR aligned.
1391         (rs6000_init_libfuncs): Enable IBM long double functions if not
1392         IEEEQUAD.
1393         (rs6000_generate_compare): Use IBM long double compare if not
1394         TARGET_IEEEQUAD.
1395         * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
1396         (TARGET_IEEEQUAD): Define.
1397         (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
1398         not TARGET_IEEEQUAD.
1399         * config/rs6000/rs6000.md: Enable TFmode patterns if
1400         !TARGET_IEEEQUAD.
1401         * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
1402         * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
1403         and -mlong-double-128 are incompatible.
1404         * doc/invoke.texi (-mabi): Collect options together.  Add
1405         ibmlongdouble and ieeelongdouble.
1406
1407 2006-01-27  Richard Sandiford  <richard@codesourcery.com>
1408
1409         * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
1410         opaque type.
1411         * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
1412         * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
1413         (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
1414         * rtl.h (rtunion_def): Remove rt_ptr.
1415         (X0PTR): Delete.
1416         (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
1417         (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
1418         * config/i386/winnt.c (i386_pe_mark_dllexport)
1419         (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
1420
1421 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
1422
1423         * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
1424
1425 2006-01-26 Alexandre Oliva  <aoliva@redhat.com>
1426
1427         PR other/24829
1428         PR target/24831
1429         * gthr-dce.h: Do not gthrw-ify pthread_once_init,
1430         pthread_key_delete.  From John David Anglin.  gthrw-ify
1431         pthread_getunique_np only if it it's not a macro.  Delete
1432         UNUSED macro.
1433         (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
1434         __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
1435         __gthread_objc_condition_signal, __gthread_key_delete): Add
1436         "__attribute__ ((__unused__))" to unused arguments.
1437         (__gthread_recursive_mutex_init_function): Add missing return.
1438         * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
1439         gthr-posix95.h: Use macro-based approach for name redirection
1440         on targets missing weakref.
1441
1442 2006-01-26  Zack Weinberg  <zackw@panix.com>
1443
1444         * genconditions.c (write_header): In generated code, #ifdef out
1445         all includes and fake declarations, except includes of bconfig.h
1446         and system.h, unless GCC_VERSION >= 3001.  Do not include
1447         gensupport.h in any case.
1448         (write_conditions): Generate a definition of struct c_test.  Add
1449         a comment to the generated #endif.
1450         (write_one_condition): Escape backslashes in string too.
1451         (write_writer): Generated code must escape backslashes and quote
1452         marks (but not newlines) in the strings it writes.
1453         * Makefile.in (build/gencondmd.o): Update dependencies.
1454
1455 2006-01-26  Steve Ellcey  <sje@cup.hp.com>
1456
1457         PR target/25961
1458         * Makefile.in (insn-automata.o): Add header file dependencies.
1459         * genautomata.c: Add includes.
1460
1461 2006-01-26  Steve Ellcey  <sje@cup.hp.com>
1462
1463         PR target/25961
1464         * Makefile.in (insn-automata.o): Add -Wno-error flag.
1465
1466 2006-01-26  Paolo Bonzini  <bonzini@gnu.org>
1467
1468         * configure.ac: Expect target tools paths to be passed from the toplevel
1469         and wrap the detection into AS_SET_VAR_IF.  Extract side-effects out of
1470         AS_SET_VAR_IF.
1471         * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
1472
1473 2006-01-26  Alexandre Oliva  <aoliva@redhat.com>
1474
1475         PR c/25892
1476         * c.opt (Wpointer-sign): Init to -1.
1477         * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
1478         OPT_pedantic, to 0 otherwise.
1479         * doc/invoke.texi: Update.
1480
1481 2006-01-26  Paolo Bonzini  <bonzini@gnu.org>
1482
1483         * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
1484         constants provided by 80387 instructions in the destination mode.
1485
1486 2006-01-26  Richard Guenther  <rguenther@suse.de>
1487             Andrew Pinski  <pinskia@physics.uc.edu>
1488
1489         PR tree-opt/21470
1490         partial PR tree-opt/17064
1491         * tree-ssa-structalias.c (intra_create_variable_infos):
1492         Create heap variables for incoming parameters if
1493         flag_argument_noalias > 1.
1494         (find_what_p_points_to): Look through default defs of
1495         parameter decls.
1496
1497 2006-01-26  Jeff Law  <law@redhat.com>
1498
1499         PR ada/25900
1500         * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
1501         with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
1502         within the VR_RANGE, use the VR_RANGE as the result, not the
1503         VR_ANTI_RANGE.
1504         (adjust_range_with_scev): Reject ranges from SCEV which are out of
1505         bounds for the type.
1506
1507 2006-01-26  Daniel Berlin  <dberlin@dberlin.org>
1508
1509         * tree-ssa-alias.c (maybe_create_global_var): Change
1510         subvar walking to an assertion that we don't have subvar'd variables.
1511
1512 2006-01-26  Andrew Pinski  <pinskia@physics.uc.edu>
1513
1514         PR C/25861
1515         * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
1516         Use a new variable, inner.  PARM_DECLs are always non-weak.
1517
1518 2006-01-26  Shantonu Sen  <ssen@opendarwin.org>
1519
1520         * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
1521         --disable-checking.
1522
1523 2006-01-26  Adam Nemet  <anemet@caviumnetworks.com>
1524
1525         * config/mips/mips.md (*clear_upper32): New combiner pattern.
1526
1527 2006-01-26  Richard Earnshaw  <richard.earnshaw@arm.com>
1528
1529         * arm.md (smaxsi3, sminsi3): Convert to define_expand.
1530         (smax_insn, smin_insn, smax_0, smin_0): New.
1531
1532 2006-01-26  Hans-Peter Nilsson  <hp@axis.com>
1533
1534         PR target/25947
1535         * config/cris/cris.c (cris_order_for_addsi3): New function.
1536         * config/cris/cris-protos.h: Prototype it.
1537         * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
1538         (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
1539         (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
1540         (split for "op.S1 [rx=rx+i],ry (swapped)")
1541         (split for "op(s|u).S1 [rx=rx+i],ry")
1542         (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
1543         Apply cris_order_for_addsi3 when generating addsi3 insns.
1544
1545 2006-01-25  Diego Novillo  <dnovillo@redhat.com>
1546
1547         * tree.h (TREE_RANGE_CHECK): Fix range predicate.
1548         (TREE_BLOCK): Add call to EXPR_CHECK.
1549
1550 2006-01-25  Diego Novillo  <dnovillo@redhat.com>
1551
1552         PR 25886
1553         * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
1554         * tree-pretty-print.c (dump_omp_clause): Extract from ...
1555         (dump_omp_clauses): ... here.
1556         (dump_generic_node): Handle OMP_CLAUSE.
1557         * tree.c (omp_clause_num_ops): New.
1558         (omp_clause_code_name): New.
1559         (tree_code_size): Handle OMP_CLAUSE.
1560         (tree_size): Likewise.
1561         (make_node): Document handling of OMP_CLAUSE.
1562         (tree_node_structure): Handle OMP_CLAUSE.
1563         (omp_clause_check_failed): New.
1564         (omp_clause_range_check_failed): New.
1565         (omp_clause_operand_check_failed): New.
1566         (build_omp_clause): New.
1567         (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
1568         * tree.h (enum omp_clause_code): Declare.
1569         (OMP_CLAUSE_SUBCODE_CHECK): Define.
1570         (OMP_CLAUSE_RANGE_CHECK): Define.
1571         (OMP_CLAUSE_ELT_CHECK): Define.
1572         (omp_clause_check_failed): Declare.
1573         (omp_clause_operand_check_failed): Declare.
1574         (omp_clause_range_check_failed): Declare.
1575         (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
1576         (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
1577         (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
1578         (OMP_CLAUSE_LASTPRIVATE): Likewise.
1579         (OMP_CLAUSE_IF_EXPR): Likewise.
1580         (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
1581         (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
1582         (OMP_CLAUSE_REDUCTION_CODE): Likewise.
1583         (OMP_CLAUSE_REDUCTION_INIT): Likewise.
1584         (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
1585         (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
1586         Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
1587         (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
1588         (OMP_CLAUSE_DEFAULT_KIND): Likewise.
1589         (OMP_CLAUSE_CODE): Define.
1590         (OMP_CLAUSE_SET_CODE): Define.
1591         (OMP_CLAUSE_CODE): Define.
1592         (OMP_CLAUSE_OPERAND): Define.
1593         (struct tree_omp_clause): Declare.
1594         (union tree_node): Add field 'omp_clause'.
1595         * treestruct.def (TS_OMP_CLAUSE): Define.
1596         * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
1597         OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
1598         OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
1599         OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
1600         OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
1601         OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
1602         (OMP_CLAUSE): Define.
1603         * print-tree.c (print_node): Handle OMP_CLAUSE.
1604         * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
1605         * c-typeck.c: Likewise.
1606         * gimplify.c: Likewise.
1607         * c-omp.c: Likewise.
1608         * tree-nested.c: Likewise.
1609         * tree-inline.c: Likewise.
1610         * c-parser.c: Likewise.
1611         * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
1612         clauses.
1613
1614 2006-01-25  Roger Sayle  <roger@eyesopen.com>
1615
1616         PR rtl-optimization/25703
1617         * combine.c (try_combine): Handle zero_extract and strict_low_part
1618         of non-lowpart SUBREGs for constant reg_subword_p set optimization.
1619
1620 2006-01-25  Peter Bergner  <bergner@vnet.ibm.com>
1621
1622         * global.c: Fix comment typos.
1623
1624 2006-01-25  Andrew Pinski  <pinskia@physics.uc.edu>
1625
1626         PR target/25758
1627         * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
1628         Use output_addr_const instead of assemble_name.
1629
1630 2006-01-25  Paolo Bonzini  <bonzini@gnu.org>
1631
1632         * Makefile.in (sched-vis.o): Update dependencies.
1633         * haifa-sched.c (sched_finish): Clear current_sched_info.
1634         * cfg.c (dump_bb_info): New, split from dump_flow_info.
1635         (dump_flow_info): Call it.
1636         * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
1637         a slim RTL dump.
1638         * basic-block.h (dump_bb_info): Declare.
1639         * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
1640         option, and apply options only for dump files whose TDF_RTL,
1641         TDF_TREE, or TDF_IPA bits match.
1642         * rtl.h: Declare new functions exported from sched-vis.c.
1643         * sched-vis.c: Enable also if scheduling is not used.
1644         (print_value): Print the mode of registers if not inside scheduling.
1645         (print_insn): Make it work outside the scheduler.  Beautify the output
1646         a bit.
1647         (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
1648
1649 2006-01-25  Richard Sandiford  <richard@codesourcery.com>
1650
1651         * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
1652         * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
1653         a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
1654         depending on the value of CONSTANT_POOL_ADDRESS_P.
1655         * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
1656         SYMBOL_REF_DECL.
1657         * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
1658         rather than SYMBOL_REF_DECL.
1659         (rtx_constant_pool): Remove const_rtx_sym_htab.
1660         (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
1661         (init_varasm_status): Don't initialize const_rtx_sym_htab.
1662         (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
1663         Remove handling of const_rtx_sym_htab.
1664         (find_pool_constant): Delete.
1665         (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
1666         rather than find_pool_constant.
1667         (get_pool_constant_for_function): Delete.
1668         (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
1669         find_pool_constant.
1670         * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
1671         (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
1672         (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
1673         (SYMBOL_REF_CONSTANT): New macro.
1674         (get_pool_constant_for_function): Delete.
1675         * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
1676         rather than SYMBOL_REF_DECL.
1677         (i386_pe_mark_dllimport): Likewise.
1678         * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
1679         rather than SYMBOL_REF_DECL.
1680         * config/darwin.c (machopic_indirect_data_reference): Likewise.
1681         (machopic_indirect_call_target): Likewise.
1682
1683 2006-01-25  Eric Botcazou  <ebotcazou@adacore.com>
1684
1685         * flow.c (delete_noop_moves): Add missing EOL to dump message.
1686
1687 2006-01-25  Richard Sandiford  <richard@codesourcery.com>
1688
1689         * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
1690
1691 2006-01-25  Kaz Kojima  <kkojima@gcc.gnu.org>
1692
1693         * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
1694
1695 2006-01-24  David Daney  <ddaney@avtrex.com>
1696
1697         PR java/25816
1698         * configure.ac (enable_tls): New enable option.
1699         (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
1700         * configure: Regenerate.
1701         * doc/install.texi (--enable-tls): Document new option.
1702         (--disable-tls): Ditto.
1703
1704 2006-01-24  Richard Henderson  <rth@redehat.com>
1705
1706         * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
1707         * alias.c (true_dependence): Respect it.
1708         (canon_true_dependence, write_dependence_p): Likewise.
1709         * builtins.c (get_builtin_sync_mem): Set it.
1710
1711 2006-01-25  Zdenek Dvorak <dvorakz@suse.cz>
1712
1713         * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
1714         efficient way.
1715
1716 2006-01-24  DJ Delorie  <dj@redhat.com>
1717
1718         * expmed.c (store_bit_field): Don't arbitrarily deny using insv
1719         for storing constants in single-bit bitfields.
1720
1721 2006-01-25  Ben Elliston  <bje@au.ibm.com>
1722
1723         * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
1724
1725 2006-01-24  Andrew Pinski  <pinskia@physics.uc.edu>
1726
1727         PR tree-opt/25860
1728         * tree-ssa-pre.c (phi_translate): Return NULL
1729         for AGGREGATE_TYPE's.
1730
1731 2006-01-24  Zack Weinberg  <zackw@panix.com>
1732
1733         * genautomata.c (process_state_for_insn_equiv_partition):
1734         Use xcalloc for insn_arcs_array.
1735         * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
1736         (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
1737
1738 2006-01-24  Richard Henderson  <rth@redhat.com>
1739
1740         * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
1741         update all callers.
1742
1743 2006-01-23  Paolo Bonzini  <bonzini@gnu.org>
1744
1745         PR rtl-optimization/25890
1746         PR rtl-optimization/25905
1747         * combine.c (expand_compound_operation, expand_field_assignment):
1748         Fail if the bitfield's final position is out of bounds.
1749
1750 2006-01-24  Ian Lance Taylor  <ian@airs.com>
1751
1752         PR middle-end/25930
1753         * cgraphunit.c (cgraph_output_in_order): Don't clear
1754         cgraph_asm_nodes until after asm strings have been output.
1755
1756 2006-01-23  Adam Nemet  <anemet@caviumnetworks.com>
1757
1758         * fix-header.c (read_scan_file): Add new parameter imultilib when
1759         calling register_include_chains.
1760
1761 2006-01-23  Diego Novillo  <dnovillo@redhat.com>
1762
1763         * omp-low.c: Update documentation.
1764
1765 2006-01-23  Andrew Pinski  <pinskia@physics.uc.edu>
1766             Daniel Berlin  <dberlin@dberlin.org>
1767
1768         PR tree-opt/25315
1769         PR tree-opt/25857
1770         * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
1771         return from the function.
1772
1773 2006-01-22  Zack Weinberg  <zackw@panix.com>
1774
1775         * rtl.def (match_code): Add second argument.
1776         * genpreds.c (write_extract_subexp): New function.
1777         (write_match_code): Add path argument.  Use write_extract_subexp.
1778         (write_predicate_expr): Pass path to write_match_code.
1779         (mark_mode_tests): MATCH_CODE applied to a subexpression does
1780         not perform a mode test.
1781         * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
1782         a subexpression does not constrain the top-level code set.
1783         * read-rtl.c (read_rtx_variadic): New function.
1784         (read_rtx_1): Use it; allow AND and IOR to be variadic.
1785         * doc/md.texi: Document new notation.
1786         * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
1787         (cmpsi_operand): ... here, using new notation.
1788
1789 2006-01-22  Zack Weinberg  <zackw@panix.com>
1790
1791         * varray.c: Remove GENERATOR_FILE #ifdefs.
1792
1793 2006-01-22  Zack Weinberg  <zackw@panix.com>
1794
1795         * genautomata.c (output_reserved_units_table): Emit nothing if
1796         description->query_units_num is zero.  Remove extra blank line.
1797         (output_cpu_unit_reservation_p): Short circuit
1798         if description->query_units_num is zero.
1799
1800 2006-01-22  Zack Weinberg  <zackw@panix.com>
1801
1802         * genattrtab.c: Don't include genattrtab.h.  Define ATTR_NONE
1803         and ATTR_SPECIAL (from genattrtab.h).  Don't define num_dfa_decls
1804         nor any of the random handful of variables that used to be necessary
1805         when this program was linked with rtlanal.o.  Prune set of forward
1806         function declarations.
1807         (struct attr_desc): Remove static_p field.
1808         (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
1809         (check_attr_test, make_internal_attr, make_numeric_value): Make static.
1810         (attr_string): Do not read the character one past the length of
1811         the string.
1812         (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
1813         (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
1814         (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
1815         (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
1816         (make_automaton_attrs): New.
1817         (main): Do not call into genautomata.  Call local gen_bypass
1818         and gen_insn_reserv as appropriate.  Call make_automaton_attrs.
1819         Remove special case for insn_alts.
1820         * genautomata.c: Include gensupport.h; not genattrtab.h nor
1821         varray.h (leftover from previous change).  Prune set of forward
1822         function declarations.  Remove state_alts fields from all
1823         structures.  Remove state_alts_table from struct automaton.
1824         Make everything except main static.  Do not maintain num_dfa_decls.
1825         Do not maintain state_alts fields of various structures.
1826         (process_decls): Don't validate condexp for dm_insn_reserv decls.
1827         (add_arc): Remove state_alts argument.  All callers updated.
1828         (output_reserved_units_table): Emit #ifdef here...
1829         (output_tables): ...not here.  Don't generate state_alts tables.
1830         (expand_automata): Don't generate attributes.
1831         (write_automata): Don't generate state_alts functions.
1832         (main): New function.
1833         (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
1834         (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
1835         (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
1836         (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
1837         (BYPASS_P_FUNC_NAME, output_state_alts_table)
1838         (output_automata_list_state_alts_code, output_internal_state_alts_func)
1839         (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
1840         (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
1841         Delete.
1842         * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
1843         * genattrtab.h: Delete file.
1844         * Makefile.in (OBJS-common): Add insn-automata.o.
1845         (insn-automata.o): New rule.
1846         (simple_generated_c): Add insn-automata.c.
1847         (build/genattrtab.o, build/genautomata.o): Update dependencies.
1848         (genprogmd): Add automata.
1849         (build/genattrtab): Needs no extra objects nor libraries.
1850         (build/genautomata): Needs build/vec.o and -lm.
1851
1852 2006-01-22  Zack Weinberg  <zackw@panix.com>
1853
1854         * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
1855         (output_dfa_max_issue_rate, locked_states_num): Delete.
1856         (struct automaton): Add locked_states field.
1857         (output_dead_lock_vect): Save number of locked states in
1858         automaton->locked_states.  If it is zero, don't print anything.
1859         (output_max_insn_queue_index_def): Define max_insn_queue_index const.
1860         (output_internal_dead_lock_func): Only test the dead_lock_vect
1861         for automata that have locked states.
1862         (output_statistics): Always print the number of locked states for
1863         each automaton.  Calculate total number of locked states here.
1864         (write_automata): Don't call output_dfa_max_issue_rate.
1865         * genattrtab.c: Define length_unit_log as a const variable.
1866         * genattr.c: Don't emit MAX_DFA_ISSUE_RATE.  Declare
1867         max_insn_queue_index const.
1868         * final.c (length_unit_log): Declare const.
1869         * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
1870
1871 2006-01-22  Zack Weinberg  <zackw@panix.com>
1872
1873         * genautomata.c:  Include vec.h, not varray.h.
1874         Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
1875         VLA_HWINT_ macros.  Change vla_hwint_t to a typedef for
1876         VEC(vect_el_t,heap) *.  Convert all uses of VLA_* macros to
1877         VEC_* macros operating on appropriately typed vectors, or to
1878         malloced arrays when the size is known in advance.  Const-ify
1879         many char* variables and function arguments.  No functional changes.
1880         * Makefile.in (build/varray.o): Delete rule.
1881         (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
1882         (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
1883
1884 2006-01-22  Zack Weinberg  <zackw@panix.com>
1885
1886         * gensupport.c: Define get_insn_name and record_insn_name here.
1887         (read_md_rtx): Call record_insn_name as appropriate.
1888         * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
1889         * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
1890         * genpreds.c, genrecog.c: Don't define get_insn_name nor
1891         record_insn_name.
1892         * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
1893         (BUILD_VARRAY): Delete.
1894         (genprognormal): Rename genprogmd.  Fold in all programs from
1895         genprognoprint; also attrtab.
1896         (build/genattrtab): Just mention genautomata.o and varray.o.
1897         Reorganize a bit, add comments to make the categories clearer.
1898
1899 2006-01-22  Zack Weinberg  <zackw@panix.com>
1900
1901         * genconditions.c (condition_table, add_condition): Delete.
1902         (write_conditions): Don't emit n_insn_conditions nor
1903         insn_elision_unavailable.  Issue the gcc version #ifdef here,
1904         inside the table, with no #else clause ...
1905         (write_header): ...not here.
1906         (write_writer): New function.
1907         (main): Don't initialize condition_table.  Use add_c_test.
1908         Call write_writer.
1909         * gensupport.c (init_md_reader_args_cb): Handle multiple input
1910         files on the command line.
1911         (maybe_eval_c_test): Don't check insn_elision_unavailable.
1912         Return -1 if there is no entry in the table, don't abort.
1913         (add_c_test, traverse_c_tests): New functions.
1914         * gensupport.h (insn_elision_unavailable, insn_conditions)
1915         (n_insn_conditions): Delete declarations.
1916         (add_c_test, traverse_c_tests): Declare.
1917         * read-rtl.c: Include gensupport.h.
1918         (read_conditions): New function.
1919         (read_rtx): If read_rtx_1 returns 0, treat as EOF.
1920         (read_rtx_1): If we get EOF when we were looking for an initial
1921         open paren, return 0.  Call read_conditions when appropriate.
1922         * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
1923         dummy-conditions.o.  Eliminate references to insn-conditions.o,
1924         or change them to build/gencondmd.o, as appropriate.  Remove
1925         insn-constants.h from $(simple_generated_h) and insn-conditions.c
1926         from $(simple_generated_c).  For all files remaining in those
1927         two lists, add insn-conditions.md to the generator command line.
1928         Give insn-constants.h/s-constants their own rules.  Add rules
1929         for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
1930         (build/read-rtl.o): Depend on gensupport.h.
1931         (genprognormal): Include preds.
1932         (genprogearly): Rename genprognoprint; only difference is now that
1933         they don't link with $(BUILD_PRINT).
1934         * dummy-conditions.c: Delete.
1935
1936 2006-01-22  Zack Weinberg  <zackw@panix.com>
1937
1938         * genextract.c: Don't include insn-config.h.  Do include vec.h.
1939         Declare vectors of int, char, and locstr.
1940         (locstr): New typedef.
1941         (struct extraction): Make all array fields into bare pointers.
1942         (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
1943         (insn_code_number): Delete.
1944         (accum_extract): New struct.
1945         (VEC_safe_set_locstr, VEC_char_to_string): New functions.
1946         (gen_insn): Take insn_code_number as an argument.  Use an
1947         accum_extract structure instead of loading data directly into
1948         a struct extraction, and having to know how big it might get.
1949         (walk_rtx): Operate entirely on an accum_extract structure.
1950         (print_path): Avoid unnecessary use of printf.
1951         (print_header): New function, split out of main.  Distinguish
1952         more carefully between an unrecognizable insn and an insn that
1953         has the code number of a define_expand.
1954         (main): Pass insn_code_number to gen_insn.  Call print_header
1955         only after parsing.  Avoid unnecessary use of printf.
1956         * Makefile.in (build/vec.o): New rule.
1957         (build/genextract): Depend on build/vec.o.
1958         (build/genextract.o): Don't depend on insn-config.h.
1959
1960 2006-01-22  Zack Weinberg  <zackw@panix.com>
1961
1962         * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
1963         $(RUN_GEN).  Use pattern rules to factor out as much boilerplate as
1964         practical.  Eliminate per-generator-program link rules.
1965
1966 2006-01-23  Andrew Pinski  <pinskia@physics.uc.edu>
1967
1968         PR middle-end/24437
1969         * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
1970         with a call expr to ...
1971         * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
1972
1973 2006-01-23  Richard Guenther  <rguenther@suse.de>
1974
1975         * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
1976         before make_edge with conditional EDGE_TRUE_VALUE.
1977
1978 2006-01-23  Steven Bosscher  <stevenb.gcc@gmail.com>
1979         Jan Hubicka  <jh@suse.cz>
1980         Richard Guenther  <rguenther@suse.de>
1981
1982         PR rtl-optimization/25654
1983         * cfgexpand.c (aggregate_contains_union_type): New function.
1984         (add_alias_set_conflicts): Call it.  Make sure to add conflicts
1985         for structure variables that contain a union type.
1986
1987 2006-01-23  Richard Sandiford  <richard@codesourcery.com>
1988
1989         * gengtype.c (new_structure): Return the structure.
1990         (create_option): Add an extra "next" argument.
1991         (create_field): New function.
1992         (adjust_field_rtx_def): Use create_option and create_field.
1993         Remove a now-unnecessary call to find_structure.
1994         (adjust_field_tree_def): Likewise.
1995         (note_yacc_type): Remove an unnecessary call to find_structure.
1996         * gengtype.h (new_structure): Return the structure.
1997         (create_option): Add an extra argument.
1998         * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
1999         (option): Adjust calls to create_option.
2000
2001 2006-01-22  David Edelsohn  <edelsohn@gnu.org>
2002
2003         * config/rs6000/aix.h (STACK_BOUNDARY): Define.
2004
2005 2006-01-22  Paul Brook  <paul@codesourcery.com>
2006         Peter Barada  <peter@the-baradas.com>
2007
2008         * config/m68k/m68k.md: Add Coldfire FPU support.
2009         Define FP mode macro and associated attributes.
2010         Use it for float mode patterns.
2011         * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
2012         (LIBCALL_VALUE): Use m68k_libcall_value.
2013         * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
2014         (m68k_function_value): Ditto.
2015         (emit_move_sequence): Ditto.
2016         * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
2017         * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
2018         * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
2019         (MULTILIB_EXCEPTIONS): Ditto.
2020         * config/m68k/m68k.opt: Add mcfv4e.
2021         * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
2022         (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
2023         (m68k_output_function_prologue): Save ColdFire FPU registers.
2024         (m68k_output_function_epilogue): Restore ColdFire FPU registers.
2025         (force_mode, fp_reg_operand, emit_move_sequence): New functions.
2026         (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
2027         ColdFire FPU registers.
2028         (m68k_libcall_value, m68k_function_value): New functions.
2029         * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
2030         (LIBCALL_VALUE): Use m68k_libcall_value.
2031         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
2032         (MASK_COLDFIRE): Add MASK_CFV4E.
2033         (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
2034         (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
2035         (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
2036         (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
2037         (GO_IF_LEGITIMATE_ADDRESS): Use it.
2038         (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
2039         * doc/invoke.tex: Document -mcfv4e on m68k.
2040
2041 2006-01-22  Ranjit Mathew  <rmathew@gcc.gnu.org>
2042
2043         * doc/contribute.texi: Change CVS to SVN and update the corresponding
2044         URL.
2045
2046 2006-01-21  Gabriel Dos Reis  <gdr@integrable-solutions.net>
2047
2048         PR c++/16190
2049         * c-opts.c (c_common_handle_option): Don't include
2050         -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
2051         * doc/invoke.texi (C++ Dialect Options): Document that
2052         -Wnon-virtual-dtor is no longer included in -Wall.
2053
2054 2006-01-21  Joseph S. Myers  <joseph@codesourcery.com>
2055
2056         * gcov.c (print_version), gcov-dump.c (print_version),
2057         mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
2058         dates.
2059
2060 2006-01-21  Kenneth Zadeck <zadeck@naturalbridge.com>
2061
2062         * df-scan.c (problem_SCAN): Added NULL reset function.
2063         (df_scan_reset_blocks): Added code to call reset block function
2064         (df_bb_refs_delete) Fixed comment.
2065         (df_insn_refs_delete): Made tolerant of deleting non existent info
2066         for dataflow problems that need to be reset.
2067         * df-core.c (df_set_blocks): Ditto.
2068         * df.h (struct df_problem): Added reset_fun.
2069         * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
2070         problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
2071         (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
2072         functions to clear out all references to def-use or use-def chains.
2073
2074 2006-01-21  Ben Elliston  <bje@au.ibm.com>
2075
2076         * varasm.c (assemble_real): Initialise data array.
2077
2078 2006-01-20  Paul Brook  <paul@codesourcery.com>
2079
2080         Merge from csl-arm-branch.
2081         2005-09-21  Kazu Hirata  <kazu@codesourcery.com>
2082         * config/arm/arm.md (movdi): Force operands[1] to a register
2083         if we have a non-register source.
2084         (*arm_movdi, *movdf_soft_insn): Require that one of the
2085         operands be a register.
2086         * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
2087         * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
2088
2089 2006-01-20  DJ Delorie  <dj@redhat.com>
2090
2091         * varasm.c (initialize_constant_valid_p): Allow pointers
2092         initialized from integer constants of lesser precision.
2093         (output_constant): Allow non-int-sized pointer modes to be
2094         initialized from integer constants.
2095
2096 2006-01-20  Joseph S. Myers  <joseph@codesourcery.com>
2097
2098         PR libstdc++/25524
2099         * cppdefault.h (struct default_include): Add multilib flag.
2100         * cppdefault.c (cpp_include_defaults): Set it.
2101         * c.opt (-imultilib): New option.
2102         * c-opts.c (imultilib): New.
2103         (c_common_handle_option): Handle -imultilib.
2104         (c_common_post_options): Likewise.
2105         * c-incpath.c (add_standard_paths, register_include_chains):
2106         Likewise.
2107         * c-incpath.h (register_include_chains): Add extra parameter.
2108         * gcc.c (do_spec_1): Generate -imultilib option.
2109         (The Specs Language): Update %I description.
2110         (process_command): Update copyright notice.
2111         * doc/cppopts.texi (-imultilib): Document.
2112         * doc/invoke.texi (-imultilib): Include in option summary.
2113         (%I): Update specs documentation.
2114
2115 2006-01-20  Zdenek Dvorak <dvorakz@suse.cz>
2116
2117         * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
2118
2119 2006-01-20  Richard Sandiford  <richard@codesourcery.com>
2120
2121         * stmt.c (case_bit_test_cmp): Stabilize the sort using code
2122         label numbers.
2123
2124 2006-01-20  Richard Guenther  <rguenther@suse.de>
2125         Steven Bosscher <stevenb.gcc@gmail.com>
2126
2127         PR rtl-optimization/24626
2128         * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
2129         EDGE_TRUE_VALUE if in RTL mode.
2130
2131         Revert
2132         2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
2133         * cfgrtl.c (rtl_verify_flow_info_1): Fix.
2134
2135 2006-01-20  Dirk Mueller  <dmueller@suse.com>
2136
2137         PR c++/5520
2138         * c-parser.c (c_parser_if_body): Use build_empty_stmt()
2139         instead of a special NOP marker.
2140         * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
2141         NOP marker handling.
2142         * c-common.h (empty_body_warning): Add forward declaration.
2143         * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
2144         Now uses IS_EMPTY_STMT() instead of special NOP markers.
2145
2146 2006-01-20  Paul Brook  <paul@codesourcery.com>
2147
2148         * Makefile.in (lang_checks): Keep going if mkdir fails.
2149
2150 2006-01-19  Kenneth Zadeck <zadeck@naturalbridge.com>
2151
2152         * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
2153         be able to clean out basic block when not necessary.
2154         (df_scan_free): Fixed to properly delete information if df is
2155         unused before calling df_finish.
2156         (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
2157         df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
2158         or comment typos.
2159         (df_bb_refs_delete): New function.
2160         (df_refs_delete): Moved per block code to df_bb_refs_delete.
2161         * df-core.c (df_set_blocks): Added code to properly clean out
2162         unused blocks if they are not part of the blocks to consider.
2163         Added additional null check.
2164         (df_compact_blocks): Added basic block parameter to free_bb_fun to
2165         be able to clean out basic block when not necessary
2166         * df.h (df_free_bb_function): Ditto.
2167         (df_bb_refs_delete): New function.
2168         * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
2169         df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
2170         basic block parameter to be able to clean out basic block when not
2171         necessary.
2172         (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
2173         (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
2174         Fixed to properly delete information if df is unused before
2175         calling df_finish.
2176
2177 2006-01-19  Kenneth Zadeck <zadeck@naturalbridge.com>
2178
2179         PR rtl-optimization/25799
2180         * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
2181         Corrected confluence operator to remove bits from op2 before oring
2182         with op1 rather than removing bits from op1.
2183         (df_ru_transfer_function): Corrected test on wrong bitmap which
2184         caused infinite loop.  Both of these problems were introduced in
2185         the dataflow rewrite.
2186
2187 2006-01-19  DJ Delorie  <dj@redhat.com>
2188
2189         * reload1.c (find_reload_regs): Note the details of reload
2190         failures in the dump file.
2191         (spill_failure): Likewise.
2192
2193 2006-01-20  Zdenek Dvorak <dvorakz@suse.cz>
2194
2195         * loop-iv.c: Include df.h and hashtab.h.
2196         (enum iv_grd_result): New enum.
2197         (DF_REF_IV, DF_REF_IV_SET): New macros.
2198         (struct biv_entry): New.
2199         (df, bivs): New global variables.
2200         (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
2201         assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
2202         Removed.
2203         (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
2204         iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
2205         analyzed_for_bivness_p, record_biv): New functions.
2206         (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
2207         get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
2208         iv_analyze, biv_p, iv_analysis_done): Work with df representation of
2209         UD chains.
2210         (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
2211         analysed.
2212         (iv_number_of_iterations): Use new interface to iv analysis.
2213         * loop-unroll.c: Do not include varray.h.
2214         (analyze_iv_to_split_insn): Use new interface to iv
2215         analysis.
2216         * loop-unswitch.c (may_unswitch_on): Ditto.
2217         * df.c (df_bitmaps_free): Only work for bbs for that structures are
2218         allocated.
2219         (df_bb_modify): Realloc tables to the new index.
2220         (df_find_use): New function.
2221         * df.h (df_find_use): Declare.
2222         * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
2223         outmode.
2224         * cfgloop.h (struct rtx_iv): Remove analysed field.
2225         (iv_get_reaching_def): Removed.
2226         (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
2227         * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
2228         (loop-iv.o): Add df.h and hashtab.h dependency.
2229         * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
2230
2231 2006-01-20  Alan Modra  <amodra@bigpond.net.au>
2232
2233         PR target/25668
2234         * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
2235         Double TFmode.
2236         (__floatundisf, __floatundidf): Likewise.
2237         * libgcc2.h (IS_IBM_EXTENDED): Define.
2238
2239 2006-01-19  DJ Delorie  <dj@redhat.com>
2240
2241         * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
2242
2243 2006-01-19  Paul Brook  <paul@codesourcery.com>
2244
2245         * gcc/config/arm/arm.c (arm_compute_func_type): Treat all functions
2246         as nothrow when unwinding tables are disabled.
2247
2248 2006-01-19  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2249
2250         PR testsuite/25171
2251         * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
2252         of bit-field" when in system header.
2253
2254 2006-01-19  DJ Delorie  <dj@redhat.com>
2255
2256         * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
2257         the 16 bit shift limit of the m16c.
2258
2259 2006-01-19  Andrew Pinski  <pinskia@physics.uc.edu>
2260
2261         PR target/22099
2262         * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
2263         * config/i386/i386.c (output_set_got): Output the label if we have one
2264         for the TARGET_DEEP_BRANCH_PREDICTION case.
2265
2266 2006-01-19  Jan Hubicka  <jh@suse.cz>
2267             H.J. Lu  <hongjiu.lu@intel.com>
2268             Evandro Menezes <evandro.menezes@amd.com>
2269
2270         * invoke.texi (generic): Document
2271         (i686) Update.
2272         * config.gcc: Make x86_64-* and i686-* default to generic tunning.
2273         * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
2274         TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
2275         (x86_use_incdec, x86_pad_returns): New variables
2276         (TARGET_CPU_DEFAULT_generic): New constant
2277         (TARGET_CPU_DEFAULT_NAMES): Add generic.
2278         (enum processor_type): Add generic32 and generic64.
2279         * i386.md (cpu attribute): Add generic32/generic64
2280         (movhi splitter): Behave sanely when both partial_reg_dependency and
2281         partial_reg_stall are set.
2282         (K8 splitters): Enable for generic as well.
2283         * predicates.md (incdec_operand): Use TARGET_INCDEC
2284         (aligned_operand): Avoid memory mismatch stalls.
2285         * athlon.md: Enable for generic64, new patterns for 128bit moves.
2286         * ppro.md: Enable for generic32
2287         * i386.c (generic64_cost, generic32_cost): New.
2288         (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
2289         (x86_use_leave): Enable for generic64.  (x86_use_sahf,
2290         x86_ext_80387_constants): Enable for generic32.  (x86_push_memory,
2291         x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
2292         x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
2293         x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
2294         x86_partial_reg_dependency, x86_memory_mismatch_stall,
2295         x86_accumulate_outgoing_args, x86_prologue_using_move,
2296         x86_epilogue_using_move, x86_arch_always_fancy_math_387,
2297         x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
2298         Enable for generic.
2299         (x86_use_incdec, x86_pad_returns): New.
2300         (override_options): Add generic32 and generic64, translate "generic"
2301         to generic32/generic64 and "i686" to "generic32", refuse
2302         "generic32"/"generic64" as arch target.
2303         (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
2304         (ix86_reorg): Honor PAD_RETURNS.
2305
2306 2006-01-19  Diego Novillo  <dnovillo@redhat.com>
2307
2308         * tree-pretty-print.c (dump_generic_node): Handle
2309         OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
2310         * cgraph.c (cgraph_expand_queue): Rename from
2311         cgraph_analyze_queue.  Update all users.
2312         * cgraphunit.c (cgraph_assemble_pending_functions): Process
2313         cgraph_expand_queue.
2314         (cgraph_expand_all_functions): Likewise.
2315         (cgraph_finalize_pending_functions): Remove.  Update callers.
2316
2317         * tree.h (OMP_DIRECTIVE_P): Define.
2318         (OMP_PARALLEL_FN): Define.
2319         (OMP_PARALLEL_DATA_ARG): Define.
2320         (OMP_SECTIONS_SECTIONS): Define.
2321         * tree-pass.h (pass_expand_omp): Declare.
2322         * omp-low.c (struct omp_region): Declare.
2323         (struct omp_context): Remove fields 'parallel_type',
2324         'parallel_start_ix' and 'parallel_start_additional_args'.
2325         Update all users.
2326         (struct omp_for_data): Rename from struct expand_omp_for_data.
2327         (omp_regions): New static variable.
2328         (root_omp_region): New static variable.
2329         (find_omp_clause): Make static.
2330         (is_in_combined_parallel_ctx): Remove.
2331         (is_combined_parallel): New.
2332         (extract_omp_for_data): Move earlier in the file.
2333         (workshare_safe_to_combine_p): New.
2334         (get_ws_args_for): New.
2335         (determine_parallel_type): Move earlier in the file.
2336         (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
2337         child function.
2338         (omp_copy_decl): Likewise.
2339         (create_omp_child_function): Likewise.
2340         (lookup_omp_region): New.
2341         (dump_omp_region): New.
2342         (debug_omp_region): New.
2343         (debug_all_omp_regions): New.
2344         (new_omp_region): New.
2345         (scan_omp_parallel): If parallel_nesting_level > 1, the
2346         directive is nested within another parallel directive.
2347         Set OMP_PARALLEL_FN.
2348         (scan_omp_for): Do not try to handle combined parallel+for
2349         cases.
2350         Remove FIXME comment.
2351         (scan_omp_nested): Remove.
2352         (scan_omp_1): Do not call scan_omp_nested when
2353         parallel_nesting_level is > 1.
2354         Do not change the DECL_CONTEXT of local variables found.
2355         (lookup_decl_in_outer_ctx): New.
2356         (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
2357         (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
2358         (lower_reduction_clauses): Rename from expand_reduction_clauses.
2359         (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
2360         If CTX is nested, lookup VAR in the outer context when
2361         building copy assignment.
2362         (lower_send_clauses): Rename from expand_send_clauses.
2363         If CTX is nested, lookup VAR in the outer context when
2364         building copy assignments.
2365         (lower_send_shared_vars): Rename from expand_send_shared_vars.
2366         If CTX is nested, lookup VAR in the outer context when
2367         building copy assignments.
2368         (expand_parallel_call): Rename from build_parallel_call.
2369         Handle combined parallel+workshare cases.
2370         Re-implement to emit code into the CFG.
2371         (list2chain): New.
2372         (expand_omp_parallel): Re-implement to emit code into the CFG.
2373         Call move_sese_region_to_fn to outline the sub-graph
2374         containing the parallel region.
2375         (expand_omp_for_1): Remove.
2376         (expand_omp_for_generic): Re-implement to emit code into the
2377         CFG.
2378         (expand_omp_for_static_nochunk): Likewise.
2379         (expand_omp_for_static_chunk): Likewise.
2380         (expand_omp_for): Likewise.
2381         (expand_omp_sections): Likewise.
2382         (remove_exit_barriers): New.
2383         (expand_omp_synch): New.
2384         (expand_omp): New.
2385         (build_omp_regions_1): New.
2386         (build_omp_regions): New.
2387         (execute_expand_omp): New.
2388         (gate_expand_omp): New.
2389         (pass_expand_omp): Define.
2390         (lower_omp_sections): Rename from expand_omp_sections.
2391         Set OMP_SECTIONS_SECTIONS.
2392         (lower_omp_single_simple): Rename from expand_omp_single_simple.
2393         (lower_omp_single_copy): Rename from expand_omp_single_copy.
2394         (lower_omp_single): Rename from expand_omp_simple.
2395         (lower_omp_master): Rename from expand_omp_master.
2396         (lower_omp_ordered): Rename from expand_omp_ordered.
2397         (lower_omp_critical): Rename from expand_omp_critical.
2398         (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
2399         (lower_omp_for): Re-implement.
2400         (lower_omp_parallel): Re-implement.
2401         (lower_regimplify): Rename from expand_regimplify.
2402         (lower_omp_1): Rename from expand_omp_1.
2403         If there are syntax errors in the program, replace every
2404         OpenMP directive with NOP.
2405         Call lower_omp_* instead of expand_omp_*.
2406         (lower_omp): Rename from expand_omp.
2407
2408         * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
2409         * tree-gimple.h (enum omp_parallel_type): Remove.
2410         (gimple_boolify): Declare extern.
2411         (find_omp_clause, determine_parallel_type): Remove.
2412
2413         * gimple-low.c (lower_omp_directive): New.
2414         (lower_stmt): Call it.
2415         (record_vars_into): Move from ...
2416         (record_vars): ... here.
2417         Call record_vars_into with current_function_decl.
2418
2419         * gimplify.c (struct gimplify_ctx): Remove fields
2420         combined_pre_p and combined_ctxp.  Update users.
2421         (get_formal_tmp_var): Add documentation.
2422         (gimple_boolify): Make extern.
2423         (gimplify_expr_in_ctx): Remove.  Update callers.
2424         (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
2425         will always be a BIND_EXPR.
2426         (gimplify_expr): Handle OMP_RETURN_EXPR.
2427         * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
2428         (OMP_PARALLEL): Add 3 operands.
2429         (OMP_SECTIONS): Add 1 operand.
2430         (OMP_RETURN_EXPR): Define.
2431
2432         * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
2433         (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
2434         * tree-iterator.c (alloc_stmt_list): Assert that we are not
2435         creating a circular free list.
2436         (free_stmt_list): Assert that we are not freeing stmt_list_cache.
2437
2438         * tree-flow.h (move_sese_region_to_fn): Declare.
2439         (record_vars_into): Declare.
2440         * tree-cfg.c (make_omp_sections_edges): New.
2441         (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
2442         OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
2443         OMP_SECTIONS and OMP_SECTION.
2444         (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
2445         (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
2446         (verify_stmt): Do not handle OMP_DIRECTIVE_P.
2447         (gather_blocks_in_sese_region): New.
2448         (struct move_stmt_d): Declare.
2449         (move_stmt_r): New.
2450         (move_block_to_fn): New.
2451         (move_sese_region_to_fn): New.
2452
2453         * passes.c (init_optimization_passes): Schedule
2454         pass_expand_omp after pass_init_datastructures.
2455
2456         * tree-ssa-operands.c (get_expr_operands): Handle
2457         OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
2458         OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
2459
2460 2006-01-19  Jeff Law  <law@redhat.com>
2461
2462         * tree-vrp.c (extract_range_from_assert): Refine the result range
2463         if the variable referenced by the ASSERT_EXPR has a range and
2464         either the tentative result range or the previous range is a
2465         VR_ANTI_RANGE.
2466
2467 2006-01-19  Richard Sandiford  <richard@codesourcery.com>
2468
2469         * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
2470
2471 2006-01-19  Jan Hubicka  <jh@suse.cz>
2472
2473         * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
2474
2475 2006-01-19  Paolo Bonzini  <bonzini@gnu.org>
2476
2477         * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
2478         (expand_compound_operation, expand_field_assignment): Fail if the
2479         bit lengths of an extract operation are out of range.
2480         (make_extraction): Compute wanted_inner_mode based on the position
2481         and length of the extraction.  Make it extraction_mode for non-constant
2482         positions, and do not modify offset in that case.  When generating a
2483         new MEM, use a mode that can hold the extraction while keeping correct
2484         alignment.  Remove code that supported MEMs wrapped by USEs.
2485         (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
2486
2487 2006-01-19  Andreas Krebbel  <krebbel1@de.ibm.com>
2488
2489         * config/s390/s390.md ("Y", "y"): New mode attribute.
2490         ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
2491         "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
2492         "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
2493         "*addsi3_imm_cc", "*addsi3_carry1_cc",
2494         "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
2495         "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
2496         "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
2497         "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
2498         "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
2499         "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
2500         "addsi3", "subsi3"): Insn patterns removed.
2501         ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
2502         "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
2503         "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
2504         "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
2505         "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
2506         "*sub<mode>3_cconly2"): New insn patterns.
2507         ("addsi3", "subsi3"): New expanders.
2508
2509 2006-01-19  Dorit Nuzman  <dorit@il.ibm.com>
2510
2511         * Makefile.in (tree-vect-patterns.o): Add rule for new file.
2512         * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
2513         existing STMT_VINFO_VECTYPE if available.
2514         (vect_mark_relevant): Add special handling for stmts that are
2515         marked as STMT_VINFO_IN_PATTERN_P.
2516         (vect_analyze_loop): Call vect_pattern_recog.
2517         * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
2518         * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
2519         stmt_info.
2520         (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
2521         (vect_recog_func_ptr): New function-pointer type.
2522         * tree-vect-patterns.c: New file.
2523         (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
2524         (vect_recog_dot_prod_pattern, vect_pattern_recog):
2525         (vect_pattern_recog_1): New functions.
2526         (vect_pattern_recog_funcs): New array of function pointers.
2527
2528         * tree-vectorizer.h (ternary_op): New enum value.
2529         * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
2530         declaration. Revised documentation. Removed redundant dump prints.
2531         Removed redundant argument. Added support for reduction patterns.
2532         (vectorizable_reduction): Added support for reduction patterns.
2533         (vect_transform_stmt): Added support for patterns.
2534
2535         * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
2536         * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
2537         * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
2538         (expand_widen_pattern_expr): New function.
2539         (init_optabs): Initialize new optabs udot_prod_optab,
2540         sdot_prod_optab.
2541         * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
2542         (sdot_prod_optab, udot_prod_optab): Define new optabs.
2543         (expand_widen_pattern_expr): New function declaration.
2544         * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
2545         tree-codes.
2546         * tree-inline.c (estimate_num_insns_1): Added cases for new
2547         tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
2548         * tree-pretty-print.c (dump_generic_node): Likewise.
2549         (op_prio): Likewise.
2550         (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
2551         * tree-ssa-operands.c (get_expr_operands): Added case for
2552         DOT_PROD_EXPR.
2553         * tree-vect-patterns.c (widened_name_p): New function.
2554         (vect_recog_dot_prod_pattern): Added function implementation.
2555         * tree-vect-transform.c (get_initial_def_for_reduction): Added
2556         cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
2557         * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
2558         * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
2559
2560         * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
2561         * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
2562         * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
2563         (init_optabs): Initialize new optabs widen_ssum_optab,
2564         widen_usum_optab.
2565         * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
2566         (widen_ssum_optab, widen_usum_optab): Define new optabs.
2567         * tree-vect-generic.c: (expand_vector_operations_1): Check type of
2568         use instead of type of def.
2569         * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
2570         function implementation.
2571         * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
2572         widen_ssumv8hi): New.
2573
2574         * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
2575         patterns.
2576
2577 2006-01-19  Richard Sandiford  <richard@codesourcery.com>
2578
2579         PR c/25805
2580         * c-decl.c (add_flexible_array_elts_to_size): New function.
2581         (finish_decl): Use it.
2582
2583 2006-01-18  Andrew Pinski  <pinskia@physics.uc.edu>
2584
2585         * diagnostic.h: Include options.h.
2586         * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
2587         dependancies for diagnostic.h.
2588         * Makefile.in (DIAGNOSTIC_H): Add options.h.
2589
2590 2006-01-16  Daniel Berlin  <dberlin@dberlin.org>
2591
2592         * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
2593         (ssa_ro_call_cache_valid): Ditto.
2594         * tree-ssa-alias.c (sort_tags_by_id): New function.
2595         (init_transitive_clobber_worklist): Ditto.
2596         (add_to_worklist): Ditto.
2597         (mark_aliases_call_clobbered): Ditto.
2598         (compute_tag_properties): Ditto.
2599         (set_initial_properties): Ditto.
2600         (compute_call_clobbered): Ditto.
2601         (compute_may_aliases):  Call compute_call_clobbered and grouping.
2602         (compute_flow_sensitive_aliasing): Remove clobbering related code.
2603         (compute_flow_insensitive_aliasing): Grouping now happens in our
2604         caller.
2605         (setup_pointers_and_addressables): Remove clobbering related code.
2606         (add_may_alias): Ditto.
2607         (replace_may_alias): Ditto.
2608         (get_nmt_for): Ditto.
2609         (create_global_var):
2610         (is_escape_site): Return an escape_type enumeration.
2611         * tree-flow-inline.h (is_call_clobbered):  Global var does not
2612         imply call clobbered.
2613         (mark_call_clobbered): Take a reason for marking this. Remove
2614         marking of globalness, and cache invalidation.
2615         (clear_call_clobbered): Remove cache invalidation code.
2616         * tree-dfa.c (dump_variable): If details is on, dump the reason
2617         for escaping.
2618         * tree-outof-ssa.c (create_temp): Copy escape mask from original
2619         variable.
2620         * tree-flow.h (struct ptr_info_def): Add escape mask member.
2621         (struct var_ann_d): Ditto.
2622         (enum escape_type): New.
2623         (mark_call_clobbered): Adjust prototype.
2624         * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
2625         are never call clobbered.
2626         Record reasons for escaping.
2627         * tree-ssa-structalias.h (is_escape_site): Update prototype.
2628         * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
2629         (ssa_ro_call_cache_valid): Ditto.
2630         (clobbered_v_may_defs): Ditto.
2631         (clobbered_vuses): Ditto.
2632         (ro_call_vuses): Ditto.
2633         (clobber_stats): New.
2634         (init_ssa_operands): Zero out clobber stats.
2635         (fini_ssa_operands): Print out clobber stats.
2636         (get_call_expr_operands): Pass callee fndecl to
2637         add_call_read_ops).
2638         (add_call_clobber_ops): Remove use of cache.
2639         Add use of PURE_CONST information.
2640         (add_call_read_ops): Remove use of cache.
2641         Add use of static not_read information.
2642
2643 2006-01-18  Alexandre Oliva  <aoliva@redhat.com>
2644
2645         Introduce TLS descriptors for i386 and x86_64.
2646         * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
2647         (TARGET_ANY_GNU_TLS): New macro.
2648         (enum tls_dialect): Added TLS_DIALECT_GNU2.
2649         (struct machine_function): Add tls_descriptor_call_expanded_p.
2650         (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
2651         (ix86_current_function_calls_tls_descriptor): Likewise.
2652         * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
2653         (override_options): Introduce gnu2 tls dialect.
2654         (ix86_frame_pointer_required): Functions containing TLSCALLs are
2655         not leaves.
2656         (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
2657         Likewise.
2658         (legitimize_tls_address): Adjust logic for GNU2 TLS.
2659         (ix86_init_machine_status): Initialize new field.
2660         (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
2661         (ix86_tls_module_base): New.
2662         * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
2663         * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
2664         (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
2665         (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
2666         (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
2667         (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
2668         (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
2669         (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
2670         * config/i386/predicates.md (tls_modbase_operand): New.
2671         (tp_or_register_operand): New.
2672
2673 2006-01-18  Daniel Berlin  <dberlin@dberlin.org>
2674
2675         * ipa-reference.c (check_operand):  Allow FUNCTION_DECL.
2676         (look_for_address_of): Ditto.
2677         (ipa_init): Walk the function decls.
2678         (static_execute): Don't set readonly on FUNCTION_DECL's.
2679
2680 2006-01-18  Roger Sayle  <roger@eyesopen.com>
2681
2682         * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
2683         for shifts where the source and destination registers are different.
2684
2685 2006-01-18  Paul Brook  <paul@codesourcery.com>
2686
2687         Merge from csl-arm-branch.
2688         2005-03-14  Julian Brown  <julian@codesourcery.com>
2689         * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
2690         (aeabi_llsl): Likewise.
2691         (ashrdi3): Likewise.
2692         (aeabi_lasr): Likewise.
2693         (lshrdi3): Likewise.
2694         (aeabi_llsr): Likewise.
2695         2005-03-10  Julian Brown  <julian@codesourcery.com>
2696         * config.gcc: Disable shared libgcc for SymbianOS.
2697         * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
2698
2699 2006-01-18  DJ Delorie  <dj@redhat.com>
2700
2701         * c-pragma.c (handle_pragma_diagnostic): New.
2702         (init_pragma): Register it.
2703         * doc/extend.texi: Document it.
2704
2705         * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
2706         * diagnostic.h (diagnostic_classify_diagnostic): Declare.
2707         (diagnostic_context): Add classify_diagnostic[].
2708         * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
2709         as errors if they're overridden to DK_WARNING.
2710         (diagnostic_initialize): Initialize classify_diagnostic[].
2711         (diagnostic_set_kind_override): New.
2712         (diagnostic_report_diagnostic): Check for kind changes.
2713         * opts.c (common_handle_option): Take lang_mask.  Update callers.
2714         Handle OPT_Werror_.
2715         * common.opt (Werror=): New.
2716         * doc/invoke.texi: Document -Werror=*
2717
2718 2006-01-18  Jeff Law  <law@redhat.com>
2719
2720         * tree-vrp.c (test_for_singularity): Correct test for new
2721         min limit.  Use operand_equal_p rather than pointer equality
2722         for testing if new min/max values are equal.
2723
2724         * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
2725         using range information until after propagation and folding.
2726
2727 2006-01-18  Richard Henderson  <rth@redhat.com>
2728             Aldy Hernandez  <aldyh@redhat.com>
2729             Jakub Jelinek  <jakub@redhat.com>
2730             Diego Novillo  <dnovillo@redhat.com>
2731
2732         * omp-low.c: New file.
2733         * c-omp.c: New file.
2734
2735 2006-01-18  Richard Henderson  <rth@redhat.com>
2736             Jakub Jelinek  <jakub@redhat.com>
2737             Diego Novillo  <dnovillo@redhat.com>
2738
2739         * doc/invoke.texi: Document -fopenmp.
2740         * tree-dump.h (debug_function): Declare.
2741         * hooks.c (hook_bool_tree_bool_false): New function.
2742         (hook_tree_tree_null): Remove.
2743         (hook_tree_tree_tree_null): New.
2744         * hooks.h: Update to match.
2745         * tree-pretty-print.c (debug_tree_chain): New.
2746         (print_generic_expr): Handle TDF_CHAIN.
2747         (dump_generic_node): Handle BLOCK.
2748         Do not abort with incomplete SWITCH_EXPRs.
2749         Do not dump body of an OpenMP directive if TDF_SLIM is given.
2750         <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
2751         print space after directive name.
2752         <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
2753         Handle OMP_MASTER and OMP_ORDERED.
2754         Handle printing of OMP_BODY just in one place, goto
2755         dump_omp_body in the rest of OMP_* nodes that have
2756         OMP_BODY.
2757         Don't handle clause nodes here.  Update omp statements to
2758         use dump_omp_clauses.
2759         Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
2760         OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
2761         OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
2762         GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
2763         GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
2764         GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
2765         Adjust output for GOMP_PARALLEL.
2766         (dump_omp_clauses): New.
2767         (print_declaration): Dump DECL_VALUE_EXPR.
2768         (op_symbol_1): Split out of op_symbol.
2769         (dumping_stmts): Remove.  Update all users.
2770         * cgraph.c (cgraph_analyze_queue): New.
2771         (cgraph_add_new_function): New.
2772         * cgraph.h (cgraph_analyze_queue): Declare.
2773         (cgraph_add_new_function): Declare.
2774         (cgraph_lower_function): Remove.
2775         * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
2776         nodes.  Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
2777         and TYPE_P nodes in its default clause.
2778         (empty_body_p): New.
2779         (tree_range_check_failed): New.
2780         (build5_stat): New.
2781         * tree.h (OMP_CLAUSE_REDUCTION_INIT,
2782         OMP_CLAUSE_REDUCTION_MERGE,
2783         OMP_CLAUSE_REDUCTION_PLACEHOLDER,
2784         OMP_CLAUSE_PRIVATE_DEBUG,
2785         OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
2786         OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
2787         OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
2788         OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
2789         OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
2790         OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
2791         OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
2792         OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
2793         OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
2794         OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
2795         OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
2796         OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
2797         OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
2798         OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
2799         (TREE_RANGE_CHECK): New.
2800         (empty_body_p): Declare.
2801         (enum omp_clause_default_kind): New.
2802         (build_string_literal): Declare.
2803         (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
2804         (build5_stat, build5): Declare.
2805         * tree-pass.h (TDF_CHAIN): Define.
2806         * tree-pass.h (PROP_gimple_lomp): Define.
2807         (pass_lower_omp): Declare.
2808         * diagnostic.h (debug_tree_chain): Declare.
2809         * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
2810         mode_for_size.
2811         (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
2812         * builtins.c (build_string_literal): Make extern.
2813         * gcc.c (include_spec_function): New.
2814         (static_spec_functions): Add it.
2815         (main): Move load of libgomp.spec ...
2816         (LINK_COMMAND_SPEC): ... here.
2817         (link_gomp_spec): New.
2818         (static_specs): Include it.
2819         (LINK_COMMAND_SPEC): Add link_gomp.
2820         (GOMP_SELF_SPECS): New.
2821         (driver_self_specs): Include it.
2822         (switch_matches): Don't mark inline.
2823         (main): Load libgomp.spec.
2824         * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
2825         OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
2826         and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
2827         * tree-gimple.h (enum omp_parallel): Declare.
2828         (determine_parallel_type): Declare.
2829         (omp_firstprivatize_variable): Declare.
2830         (omp_reduction_init): Declare.
2831         (diagnose_omp_structured_block_errors): Declare.
2832         (struct walk_stmt_info): Add want_return_expr.
2833         (struct walk_stmt_info): Add want_bind_expr, want_locations.
2834         (find_omp_clause): Declare.
2835         (insert_field_into_struct): Declare.
2836         (struct walk_stmt_info): Move from tree-nested.c
2837         (walk_stmts): Declare.
2838         * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
2839         to 200505.
2840         * cgraphunit.c (cgraph_lower_function): Make static.
2841         (cgraph_finalize_pending_functions): New.
2842         (cgraph_finalize_function): Call it.
2843         (cgraph_finalize_compilation_unit): Likewise.
2844         * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
2845         BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
2846         (BT_FN_UINT_UINT): New.
2847         (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
2848         DEF_FUNCTION_TYPE_VAR_4): Document.
2849         (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
2850         BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
2851         BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
2852         BT_FN_VOID_OMPFN_PTR_UINT_UINT,
2853         BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
2854         BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
2855         BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
2856         BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
2857         * builtins.def: Update DEF_BUILTIN comment to include COND argument.
2858         Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
2859         into separate files.
2860         (DEF_GOMP_BUILTIN): New.
2861         (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
2862         BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
2863         BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
2864         BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
2865         BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
2866         BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
2867         BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
2868         BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
2869         BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
2870         BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
2871         BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
2872         BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
2873         BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
2874         BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
2875         BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
2876         BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
2877         BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
2878         BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
2879         BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
2880         BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
2881         BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
2882         BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
2883         BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
2884         BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
2885         BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
2886         BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
2887         * sync-builtins.def: New file, moved from builtins.def.
2888         * omp-builtins.def: New file, moved from builtins.def.
2889         * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
2890         * gimple-low.c (lower_function_body): Clear data.
2891         (lower_stmt): Do not handle COMPOUND_EXPR.
2892         Remove call to print_node_brief.
2893         * c-tree.h (c_finish_omp_clauses): New prototype.
2894         (C_DECL_THREADPRIVATE_P): Define.
2895         (lookup_name_no_remap, c_omp_remap_private): Remove
2896         (c_begin_omp_parallel, c_finish_omp_parallel): Update.
2897         (check_for_loop_decls): Update decl.
2898         (lookup_name_no_remap, c_omp_remap_private): Declare.
2899         (build_indirect_ref, build_modify_expr, pushdecl,
2900         pushdecl_top_level): Move to c-common.h.
2901         * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
2902         before the switch, but just in the 2 places that need it.
2903         * c-decl.c (diagnose_mismatched_decls): Do not check for
2904         mismatched thread-local attributes when OLDDECL is marked
2905         threadprivate and NEWDECL has no thread-local attributes.
2906         (merge_decls): Merge C_DECL_THREADPRIVATE_P.
2907         (c_gimple_diagnostics_recursively): Rename from
2908         c_warn_unused_result_recursively.  Invoke
2909         diagnose_omp_structured_block_errors.
2910         (check_for_loop_decls): Return a singular decl found.
2911         * langhooks.c (lhd_omp_predetermined_sharing): Return
2912         OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
2913         (lhd_omp_firstprivatize_type_sizes): New.
2914         (lhd_omp_assignment): New.
2915         (lhd_omp_predetermined_sharing): New.
2916         * langhooks.h (struct gimplify_omp_ctx): Forward declare.
2917         (struct lang_hooks_for_types): Add
2918         omp_firstprivatize_type_sizes, omp_privatize_by_reference,
2919         omp_predetermined_sharing, omp_disregard_value_expr,
2920         omp_private_debug_clause, omp_clause_default_ctor,
2921         omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
2922         (c_finish_omp_clauses): New.
2923         (c_finish_bc_stmt): Diagnose break within omp for.
2924         (c_begin_omp_parallel, c_finish_omp_parallel): New.
2925         (build_unary_op): Return error_mark after reporting
2926         a readonly_error.
2927         (build_modify_expr): Likewise.
2928         * gimplify.c: Include optabs.h and pointer-set.h.
2929         (enum gimplify_omp_var_data): Declare.
2930         (struct gimplify_omp_ctx): Declare.
2931         (struct gimplify_ctx): Add fields prev_context, combined_pre_p
2932         and combined_ctxp.
2933         (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
2934         (push_gimplify_context, pop_gimplify_context): Allow nesting.
2935         (splay_tree_compare_decl_uid): New.
2936         (new_omp_context): New.
2937         (delete_omp_context): New.
2938         (gimple_add_tmp_var): Call omp_add_variable.
2939         (gimplify_bind_expr): Likewise.
2940         (gimplify_var_or_parm_decl): If omp_notice_variable returned
2941         true, disregard DECL_VALUE_EXPR on the decl if any.
2942         (gimplify_expr_in_ctx): New.
2943         (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
2944         omp_add_variable, omp_notice_variable, omp_is_private
2945         gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
2946         gimplify_adjust_omp_clauses, gimplify_omp_parallel
2947         gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
2948         gimplify_omp_atomic_fetch_op, goa_stabilize_expr
2949         gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
2950         gimplify_omp_atomic): New.
2951         (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
2952         OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
2953         OMP_CRITICAL and OMP_ATOMIC.
2954         (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
2955         * c-pragma.h (enum pragma_kind): Add
2956         PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
2957         PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
2958         PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
2959         PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
2960         PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
2961         PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
2962         PRAGMA_OMP_THREADPRIVATE.
2963         * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
2964         OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
2965         OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
2966         OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
2967         OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
2968         OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
2969         OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
2970         OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
2971         OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
2972         * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
2973         * tree-ssa-dce.c (find_control_dependence): Do not assume that
2974         ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
2975         * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
2976         OpenMP directives.
2977         (struct nesting_info): Add field_map,
2978         suppress_expansion, debug_var_chain.
2979         (create_nesting_tree): Initialize them.
2980         (lookup_field_for_decl): Use field_map.
2981         (get_nonlocal_debug_decl, get_local_debug_decl): New.
2982         (convert_local_omp_clauses): New.
2983         (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
2984         (walk_body): Split out of walk_function.
2985         (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
2986         (convert_nonlocal_reference): Handle omp statements.
2987         (convert_local_reference): Likewise.
2988         (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
2989         (unnest_nesting_tree): New.
2990         (lower_nested_functions): Call it.
2991         (insert_field_into_struct): Make extern.
2992         (struct walk_stmt_info): Move to tree-gimple.h.
2993         (walk_stmts): Make extern.
2994         * omp-builtins.def: New file.
2995         * tree-iterator.c (expr_only): Clarify comment.
2996         * c-common.h (pushdecl_top_level, pushdecl,
2997         build_modify_expr, build_indirect_ref,
2998         c_finish_omp_master, c_finish_omp_critical,
2999         c_finish_omp_ordered, c_finish_omp_barrier,
3000         c_finish_omp_atomic, c_finish_omp_flush,
3001         c_finish_omp_for, c_split_parallel_clauses,
3002         omp_clause_default_kind, c_omp_sharing_predetermined,
3003         c_omp_remap_decl): Declare.
3004         * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
3005         (OBJS-common): Add omp-low.o.
3006         (c-omp.o, omp-low.o): Add.
3007         (gimplify.o): Add dependency on $(OPTABS_H).
3008         (GTFILES): Add omp-low.c.
3009         (gt-stringpool.h): Add.
3010         * tree-cfg.c (set_bb_for_stmt): Do not update the
3011         block-to-labels map if we are currently expanding to RTL.
3012         (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
3013         checks.
3014         Handle IDENTIFIER_NODE.
3015         (tree_verify_flow_info): Do not ICE when emitting error
3016         messages about invalid labels.
3017         (dump_function_to_file): Reset CFUN before emitting the body
3018         of the function.
3019         (debug_function): New.
3020         * passes.c (init_optimization_passes): Schedule
3021         pass_lower_omp.
3022         * langhooks-def.h (lhd_omp_predetermined_sharing,
3023         lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
3024         Declare.
3025         (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
3026         (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
3027         (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
3028         LANG_HOOKS_OMP_PREDETERMINED_SHARING,
3029         LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
3030         LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
3031         LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
3032         LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
3033         LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
3034         LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
3035         (LANG_HOOK_DECLS): Use them.
3036
3037 2006-01-18  Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
3038             Richard Henderson  <rth@redhat.com>
3039             Jakub Jelinek  <jakub@redhat.com>
3040             Diego Novillo  <dnovillo@redhat.com>
3041
3042         * c-parser.c (pragma_omp_clause): Define.
3043         (c_parser_declaration_or_fndef): Document OpenMP syntax.
3044         (c_parser_compound_statement): Likewise.
3045         (c_parser_statement): Likewise.
3046         (c_parser_pragma): Handle omp pragmas.
3047         (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
3048         OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
3049         (c_parser_omp_clause_name, check_no_duplicate_clause,
3050         c_parser_omp_variable_list,
3051         c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
3052         c_parser_omp_clause_copyprivate,
3053         c_parser_omp_clause_default,
3054         c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
3055         c_parser_omp_clause_lastprivate,
3056         c_parser_omp_clause_nowait,
3057         c_parser_omp_clause_num_threads,
3058         c_parser_omp_clause_ordered, c_parser_omp_clause_private,
3059         c_parser_omp_clause_reduction,
3060         c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
3061         c_parser_omp_all_clauses, c_parser_omp_structured_block,
3062         c_parser_omp_atomic, c_parser_omp_barrier,
3063         c_parser_omp_critical, c_parser_omp_flush,
3064         c_parser_omp_for_loop, c_parser_omp_for,
3065         c_parser_omp_master, c_parser_omp_ordered,
3066         c_parser_omp_sections_scope, c_parser_omp_sections,
3067         c_parser_omp_parallel, c_parser_omp_single,
3068         c_parser_omp_construct, c_parser_omp_threadprivate): New.
3069         * c-pragma.c (init_pragma): Do omp pragma registration here.
3070         * c.opt (fopenmp): New flag.
3071
3072 2006-01-18  Eric Christopher  <echristo@apple.com>
3073
3074         * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
3075         * config/darwin.h (GOMP_SELF_SPECS): Define.
3076
3077 2006-01-18  Kazu Hirata  <kazu@codesourcery.com>
3078
3079         * rtl.h: Remove the prototype for reg_alloc.
3080
3081 2006-01-18  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3082
3083         PR target/25731
3084         * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
3085         hppa[12]*-*-hpux11*): Override default shared libgcc version for both
3086         sjlj and dwarf2 exception handling.
3087         * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
3088         Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
3089         * pa/pa.c (function_value): Treat complex and vector types as
3090         aggregates.
3091         (function_arg): Likewise.  Only pass scalar floats in the floating
3092         point argument registers.
3093         * pa/t-slibgcc-dwarf-ver: New file.
3094         * pa/t-slibgcc-sjlj-ver: New file.
3095         * pa/t-slibgcc-elf-ver: Delete file.
3096
3097 2006-01-19  Alan Modra  <amodra@bigpond.net.au>
3098
3099         * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
3100         unlikely_test_section_p test.
3101
3102 2006-01-18  Kazu Hirata  <kazu@codesourcery.com>
3103
3104         * mode-switching.c (optimize_mode_switching): Make it static.
3105         * basic-block.h: Remove the prototype for
3106         optimize_mode_switching.
3107
3108         * modulo-sched.c (sms_schedule): Make it static.
3109         * rtl.h: Remove the prototype for sms_schedule.
3110
3111         * postreload-gcse.c (gcse_after_reload_main): Make it static.
3112         * rtl.h: Remove the prototype for gcse_after_reload_main.
3113
3114         * reg-stack.c (reg_to_stack): Make it static.
3115         * rtl.h: Remove the prototype for reg_to_stack.
3116
3117         * regrename.c (regrename_optimize, copyprop_hardreg_forward):
3118         Make them static.
3119         * rtl.h: Remove the prototypes for regrename_optimize and
3120         copyprop_hardreg_forward.
3121
3122 2006-01-18  Eric Botcazou  <ebotcazou@adacore.com>
3123
3124         * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
3125         alpha_split_tmode_pair.  Add 'mode' and 'fixup_overlap' arguments.
3126         Test against the appropriate null constant for the mode.
3127         If 'fixup_overlap' is true, swap the operands if they overlap.
3128         (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
3129         * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
3130         alpha_split_tmode_pair and adjust for above change.
3131         * config/alpha/alpha.md (movtf_internal): Adjust call to
3132         alpha_split_tfmode_pair and rely on it to swap the operands.
3133         (movti_internal): New insn and post-reload splitter.
3134         (movti): New expander.
3135
3136 2006-01-18  Philippe De Muyter  <phdm@macqel.be>
3137
3138         * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
3139         operands.
3140
3141 2006-01-18  Kazu Hirata  <kazu@codesourcery.com>
3142
3143         * rtlanal.c (global_reg_mentioned_p_1,
3144         global_reg_mentioned_p): Remove.
3145         * rtl.h: Remove the prototype for global_reg_mentioned_p.
3146
3147         * flow.c (initialize_uninitialized_subregs): Make it static.
3148         * rtl.h: Remove the prototype for
3149         initialize_uninitialized_subregs.
3150
3151         * function.c (instantiate_virtual_regs): Make it static.
3152         * function.h: Remove the prototype for
3153         instantiate_virtual_regs.
3154
3155         * regmove.c (regmove_optimize, combine_stack_adjustments):
3156         Make them static.
3157         * rtl.h: Remove the prototypes for regmove_optimize and
3158         combine_stack_adjustments.
3159
3160 2006-01-17  Roger Sayle  <roger@eyesopen.com>
3161
3162         * config/i386/i386.c (COSTS_N_BYTES): New macro.
3163         (size_cost): Encode costs in bytes so that a reg-reg addition is
3164         equivalent to COSTS_N_INSNS(1).
3165         (override_options): Use the size_cost.branch_cost as the default
3166         ix86_branch_cost when optimizing for size.
3167
3168 2006-01-18  Ben Elliston  <bje@au.ibm.com>
3169
3170         * Makefile.in (D32PBIT_FUNCS): New.
3171         (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
3172         (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
3173         D64PBIT_FUNCS and D128PBIT_FUNCS.
3174         (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
3175         * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
3176         D128PBIT are set.
3177         (decnumber_dep): Define.
3178         * doc/libgcc.texi (Decimal float library routines): New node.
3179         * config/dfp-bit.h, config/dfp-bit.c: New files.
3180
3181 2006-01-18  Ben Elliston  <bje@au.ibm.com>
3182
3183         * expr.c (emit_move_change_mode): Always adjust addresses, not
3184         just during reload.  Copy replacements only during reload.
3185         (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
3186         emit_move_via_integer.
3187
3188 2006-01-17  Shantonu Sen  <ssen@opendarwin.org>
3189
3190         * Makefile.in (check-%, check-consistency): Use $${srcdir}
3191         instead of $(srcdir) and ${srcdir}.
3192
3193 2006-01-17  Richard Earnshaw  <rearnsha@arm.com>
3194
3195         PR target/592
3196         PR middle-end/11135
3197         * arm.h (struct machine_function): Add pic_reg.
3198         * arm.c (arm_pic_register): Make unsigned.
3199         (arm_override_options): Only set arm_pic_register if
3200         TARGET_SINGLE_PIC_BASE.
3201         (use_return_insn): Only test for a pic register if it is fixed.
3202         (arm_compute_save_reg0_reg12_mask): Likewise.
3203         (thumb_compute_save_reg_mask): Likewise.
3204         (legitimate_pic_operand): Factor out some known invariants.
3205         (legitimize_pic_address): If we don't have a fixed pic register,
3206         then set up a pseudo in the function entry sequence.  Handle the
3207         pic base being in a pseudo.
3208         (arm_load_pic_register): Handle the pic register being in a pseudo.
3209         (arm_expand_prologue): Only set up the pic register if it is fixed.
3210         (thumb_expand_prologue): Likewise.
3211         * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
3212         (pic_load_addr_based_insn): Likewise.
3213         (builtin_setjmp_receiver): Don't restore the pic base if it isn't
3214         fixed.
3215
3216 2006-01-18  Ben Elliston  <bje@au.ibm.com>
3217
3218         * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
3219         decimal float modes for all floating point registers.
3220
3221         * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
3222         match_code "mem" with match_test "macho_lo_sum_memory_operand".
3223
3224 2006-01-17  Jakub Jelinek  <jakub@redhat.com>
3225
3226         PR c/25682
3227         * c-typeck.c (build_unary_op): Fold offsetof-like expressions
3228         even when the pointer is not NULL.
3229
3230 2006-01-16  Ian Lance Taylor  <ian@airs.com>
3231
3232         * common.opt (ftoplevel-reorder): New option.
3233         * cgraph.c (cgraph_asm_nodes): New global variable.
3234         (cgraph_asm_last_node): New static variable.
3235         (cgraph_order): New global variable.
3236         (cgraph_create_node): Set new order field.
3237         (cgraph_varpool_node): Likewise.
3238         (decide_is_variable_needed): Return true if not
3239         flag_toplevel_reorder.
3240         (cgraph_add_asm_node): New function.
3241         * cgraph.h (struct cgraph_node): Add order field.
3242         (struct cgraph_varpool_node): Add order field.
3243         (struct cgraph_asm_node): Define.
3244         (cgraph_asm_nodes, cgraph_order): Declare.
3245         (cgraph_add_asm_node): Declare.
3246         * cgraphunit.c (cgraph_varpool_assemble_decl): New static
3247         function.
3248         (cgraph_varpool_assemble_pending_decls): Call it.
3249         (cgraph_output_pending_asms): New static function.
3250         (cgraph_finalize_compilation_unit): Call it.
3251         (struct cgraph_order_sort): Define.
3252         (cgraph_output_in_order): New static function.
3253         (cgraph_optimize): Call cgraph_output_pending_asms.  Add code for
3254         !flag_toplevel_reorder case.
3255         * c-parser.c: Include "cgraph.h".
3256         (c_parser_asm_definition): Call cgraph_add_asm_node rather than
3257         assemble_asm.
3258         * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
3259         than -fno-unit-at-a-time.
3260         * doc/invoke.texi (Option Summary): Mention
3261         -fno-toplevel-reorder.
3262         (Optimize Options): Document -fno-toplevel-reorder.  Mention it in
3263         -funit-at-a-time documentation.
3264
3265 2006-01-17  Hans-Peter Nilsson  <hp@axis.com>
3266             Kazu Hirata  <kazu@codesourcery.com>
3267
3268         * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
3269
3270 2006-01-17  Kazu Hirata  <kazu@codesourcery.com>
3271
3272         * Makefile.in (FUNCTION_H): New.  Use it instead of
3273         function.h throughout the file.
3274         * function.h: Include tree.h.
3275
3276 2006-01-17  Ben Elliston  <bje@au.ibm.com>
3277
3278         * recog.c: Separate some functions with whitespace.
3279
3280 2006-01-16  Richard Henderson  <rth@redhat.com>
3281
3282         Merge from gomp branch:
3283         * Makefile.in (TREE_INLINE_H): New.  Use it as needed.
3284         * tree-inline.h (struct copy_body_data): Move from tree-inline.c
3285         and rename from struct inline_data.  Rename callee* to dst*;
3286         caller* to src*; add copy_decl hook, transform_call_graph_edges,
3287         transform_new_cfg, transform_return_to_modify, and
3288         transform_lang_insert_block flags; remove cloning_p, versioning_p,
3289         update_clones_p.
3290         (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
3291         (copy_decl_for_dup): Remove.
3292         * tree-inline.c (struct inline_data): Move to header.
3293         (insert_decl_map): Export.
3294         (remap_decl): Update for member name changes.  Use copy_decl hook.
3295         Allow for replacement to be a non-decl.  Remove dead code.
3296         (remap_type_1): Check for existing mapping.
3297         (remap_type): Export.
3298         (remap_decls): Update for member name changes.
3299         (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
3300         (copy_body, setup_one_parameter, declare_return_variable): Likewise.
3301         (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
3302         (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
3303         (tree_function_versioning, build_duplicate_type): Likewise.
3304         (copy_body_r): Likewise.  Export.
3305         (copy_decl_for_dup): Split into ...
3306         (copy_decl_for_dup_finish, copy_decl_to_var,
3307         copy_decl_no_change, copy_decl_maybe_to_var): ... these.
3308         (replace_ref_tree, inlining_p): Remove.
3309
3310 2006-01-16  Kazu Hirata  <kazu@codesourcery.com>
3311
3312         * ifcvt.c (if_convert): Make it static.
3313         * rtl.h: Remove the prototype for if_convert.
3314
3315         * local-alloc.c (local_alloc): Make it static.
3316         * rtl.h: Remove the prototype for local_alloc.
3317
3318         * loop.c (loop_optimize): Make it static.
3319         * cfgloop.h: Remove the prototype for loop_optimize.
3320         * rtl.h: Likewise.
3321
3322 2006-01-16  DJ Delorie  <dj@redhat.com>
3323
3324         * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
3325         mems.
3326
3327 2006-01-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3328
3329         * pa.md: Disparage copies between general and floating-point registers
3330         in 32-bit move patterns.
3331
3332 2006-01-16  H.J. Lu  <hongjiu.lu@intel.com>
3333
3334         PR testsuite/25741
3335         * Makefile.in (check-%): Depend on site.exp instead of
3336         $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
3337         directories.
3338
3339 2006-01-16  Kazu Hirata  <kazu@codesourcery.com>
3340
3341         * global.c (global_alloc): Make it static.
3342         * rtl.h: Remove the prototype for global_alloc.
3343
3344 2006-01-16  Richard Guenther  <rguenther@suse.de>
3345
3346         * tree-ssa-alias.c (struct used_part): Add write_only field.
3347         (get_or_create_used_part_for): Initialize it to true.
3348         (create_overlap_variables_for): Don't create structure variables
3349         for structures that only are written to.
3350         (find_used_portions): Handle MODIFY_EXPR to track whether a
3351         structure is only written to.
3352
3353 2006-01-16  Kazu Hirata  <kazu@codesourcery.com>
3354
3355         * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
3356         static.
3357         * basic-block.h: Remove the prototype for
3358         partition_hot_cold_basic_blocks.
3359
3360 2006-01-16  Rafael Ãƒvila de Espíndola <rafael.espindola@gmail.com>
3361
3362         * cppspec.c (lang_specific_spec_functions): Remove.
3363         * gcc.c (lookup_spec_function): Use static_spec_functions directly.
3364         * gcc.h (lang_specific_spec_functions): Remove.
3365         * gccspec.c (lang_specific_spec_functions): Remove.
3366
3367 2006-01-16  Paolo Bonzini  <bonzini@gnu.org>
3368
3369         * combine.c (record_value_for_reg): Invalidate registers
3370         if INSN is null.
3371         (record_dead_and_set_regs_1): Likewise, by passing them to
3372         record_value_for_reg.
3373         (record_dead_and_set_regs): Invalidate stores made by a
3374         call.  We do not combine across a call, but we still
3375         relied on equivalences.
3376
3377 2006-01-16  Eric Botcazou  <ebotcazou@adacore.com>
3378
3379         * tree-vrp.c (extract_range_from_binary_expr): Cope with
3380         vrp_int_const_binop returning non-constant nodes.
3381
3382 2006-01-16  Paul Brook  <paul@codesourcery.com>
3383
3384         * config/m68k/m68k.c (output_move_const_into_data_reg):
3385         Output correct mnemonic for mvz and mvs.
3386
3387 2006-01-16  Gabor Loki  <loki@gcc.gnu.org>
3388
3389         * rtl-factoring.c: Add sequence abstraction algorithm.
3390         * cfgcleanup.c (outgoing_edges_match): Extra checks.
3391         (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
3392         ABNORMAL edges.
3393         (block_has_preserve_label): New function.
3394         * common.opt: Register new pass.
3395         * Makefile.in: Ditto.
3396         * passes.c: Ditto.
3397         * timevar.def: Ditto.
3398         * tree-pass.h: Ditto.
3399         * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
3400         * rtl.h (make_jump_insn_raw): Add forward decl.
3401         * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
3402
3403 2006-01-16  Eric Botcazou  <ebotcazou@adacore.com>
3404             Roger Sayle  <roger@eyesopen.com>
3405
3406         * fold-const.c (fold_minmax): New static function.
3407         (fold_binary) <MIN_EXPR>: Call it.
3408         <MAX_EXPR>: Likewise.
3409         * stor-layout.c (place_field): Use DECL_SIZE consistently
3410         in the computation of the new record size.
3411
3412 2006-01-16  Kazu Hirata  <kazu@codesourcery.com>
3413
3414         * cse.c (cse_condition_code_reg): Make it static.
3415         * rtl.h: Remove the prototype for cse_condition_code_reg.
3416
3417         * combine.c (combine_instructions): Make it static.
3418         * rtl.h: Remove the prototype for combine_instructions.
3419
3420 2006-01-15  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3421
3422         PR target/25168
3423         * tree.c (get_file_function_name_long): Concatenate the first global
3424         object name with a string derived from the input filename of the object
3425         for type "F".
3426
3427 2006-01-16  Ben Elliston  <bje@au.ibm.com>
3428
3429         * config/i386/winnt-stubs.c: Update FSF address.
3430         * config/xtensa/ieee754-df.S: Ditto.
3431         * config/xtensa/ieee754-sf.S: Ditto.
3432
3433 2006-01-14  Ian Lance Taylor  <ian@airs.com>
3434
3435         * ifcvt.c (noce_init_if_info): New static function, broken out of
3436         noce_process_if_block.
3437         (noce_process_if_block): Call noce_init_if_info.
3438         (check_cond_move_block): New static function.
3439         (cond_move_process_if_block): New static function.
3440         (process_if_block): Call cond_move_process_if_block.
3441
3442 2006-01-15  Kazu Hirata  <kazu@codesourcery.com>
3443
3444         * cselib.c (hash_table): Rename to cselib_hash_table.
3445         (cselib_clear_table, discard_useless_values,
3446         remove_useless_values, cselib_lookup_mem, cselib_lookup,
3447         cselib_init, cselib_finish): Adjust uses of hash_table.
3448
3449 2006-01-14  Kazu Hirata  <kazu@codesourcery.com>
3450
3451         PR tree-optimization/25485
3452         * tree-vrp.c (extract_range_from_binary_expr): Handle cases
3453         where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
3454         is known to be false and true, respectively.
3455
3456 2006-01-14  Richard Guenther  <rguenther@suse.de>
3457
3458         PR tree-optimization/22548
3459         PR tree-optimization/22555
3460         PR tree-optimization/22501
3461         * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
3462         * params.def (salias-max-array-elements): New parameter.
3463         * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
3464         * doc/invoke.texi (salias-max-array-elements): Document.
3465         * tree-flow-inline.h (var_can_have_subvars): We also handle
3466         arrays now.
3467         * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
3468         COMPONENT_REF.
3469         * tree-ssa-structalias.c (params.h): Include.
3470         (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
3471         (find_func_aliases): Handle multiple constraints from ARRAY_REF.
3472         (get_constraint_for): For ADDR_EXPR operating on something
3473         containing an ARRAY_REF, add all subvars to the solution.
3474         (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
3475         * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
3476         for creating MUST_DEFs.
3477         (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
3478
3479 2006-01-14  Zdenek Dvorak <dvorakz@suse.cz>
3480
3481         * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
3482         functions.
3483         (number_of_iterations_ne, number_of_iterations_lt_to_ne,
3484         assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
3485         number_of_iterations_le): New functions.
3486         (number_of_iterations_special): Removed.
3487         (number_of_iterations_exit): Do not use number_of_iterations_special.
3488         * tree.c (unsigned_type_for): Always return integer type.
3489
3490 2006-01-14  Steven Bosscher  <stevenb.gcc@gmail.com>
3491         Richard Guenther  <rguenther@suse.de>
3492
3493         PR rtl-optimization/24257
3494         * gcse.c (find_moveable_store): Only consider a store movable
3495         when the SET_SRC of the insn can be assigned to a register.
3496
3497 2006-01-14  Ian Lance Taylor  <ian@airs.com>
3498
3499         * tree.c (tree_not_class_check_failed): New function.
3500         * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
3501         (tree_not_class_check_failed): Declare.
3502
3503 2006-01-13  Ian Lance Taylor  <ian@airs.com>
3504
3505         * reload1.c (do_output_reload): Add assertion rejecting a
3506         CALL_INSN.
3507
3508 2006-01-13  Adam Nemet  <anemet@caviumnetworks.com>
3509
3510         * combine.c (struct reg_stat): Add new fields truncation_label and
3511         truncated_to_mode.
3512         (record_value_for_reg): Reset truncated_to_mode.
3513         (record_truncated_value): New function.
3514         (check_promoted_subreg): Call it.  Rename to check_conversions.
3515         (combine_instructions): Rename check_promoted_subreg to
3516         check_conversions.
3517         (reg_truncated_to_mode): New function.
3518         (make_extraction): Use it.  Check TRULY_NOOP_TRUNCATION.
3519         (gen_lowpart_or_truncate): New function.
3520         (force_to_mode): Use it instead of gen_lowpart.
3521
3522 2006-01-13  Diego Novillo  <dnovillo@redhat.com>
3523
3524         * tree-ssa-alias.c (add_type_alias): Fix typo.  Test whether
3525         VAR is a tag, not its type tag.
3526
3527 2006-01-13  Alexandre Oliva  <aoliva@redhat.com>
3528
3529         * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
3530         alternatives to match style of other entries.
3531         (*vec_extractv2di_1_sse): Likewise.  Fix mode attr.
3532
3533 2006-01-13  Daniel Berlin  <dberlin@dberlin.org>
3534
3535         PR tree-optimization/25771
3536         * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
3537         SSA_NAMES.
3538
3539 2006-01-13  Andrew Pinski  <pinskia@physics.uc.edu>
3540
3541         PR tree-opt/24365
3542         * tree-inline.c (declare_return_variable): If the return variable
3543         was marked as a non gimple complex, set the return slot variable
3544         to be a non gimple comple variable.
3545
3546 2006-01-13  Richard Guenther  <rguenther@suse.de>
3547
3548         * builtins.c (expand_builtin_sincos): New function.
3549         (expand_builtin_mathfn_3): Remove dead code, sin and cos
3550         do not set errno.
3551         (expand_builtin): Expand sincos using expand_builtin_sincos.
3552
3553 2006-01-12  DJ Delorie  <dj@redhat.com>
3554
3555         * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
3556         shift counts, separate SI shifts for m32c vs m16c, pass shift type
3557         so that constant shifts can be split.
3558         * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
3559         (m32c_valid_pointer_mode): Make static.
3560         (shift_gen_func_for): New.
3561         (m32c_prepare_shift): Use it.  Split large const shifts into
3562         multiple shifts.
3563         * config/m32c/predicates.md (shiftcount_operand): Allow more
3564         general operands.
3565         (longshiftcount_operand): New.
3566         * doc/md.texi (Machine Constraints): Document In6.
3567
3568 2006-01-13  Ben Elliston  <bje@au.ibm.com>
3569
3570         * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
3571         REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
3572         documentation.
3573
3574 2006-01-12  Daniel Berlin  <dberlin@dberlin.org>
3575
3576         * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
3577         to try to avoid clobbering pieces of structures when we know
3578         something about the whole structure.
3579         * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
3580
3581 2006-01-13  Ben Elliston  <bje@au.ibm.com>
3582
3583         * doc/rtl.texi (Insns): Remove statement that libcalls cannot
3584         return in memory, as this is no limitation is no longer present.
3585
3586 2006-01-12  DJ Delorie  <dj@redhat.com>
3587
3588         * config/m32c/addsub.md (addhi3): Add two more alternatives, for
3589         mova with fb, and for fb+0 -> An.
3590
3591         * config/m32c/mov.md (peephole2): Fix enabling logic.
3592
3593         * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
3594         DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
3595         DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
3596         FINI_ARRAY_SECTION_ASM_OP): Define.
3597
3598         * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
3599         variable.
3600         (m32c_legitimize_reload_address): New logic to reload FB to An.
3601         (m32c_output_reg_push): Add newline.
3602         (m32c_output_reg_pop): Likewise.
3603
3604 2006-01-12  Ulrich Weigand  <uweigand@de.ibm.com>
3605
3606         * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
3607
3608 2006-01-11  Andrew Pinski  <pinskia@physics.uc.edu>
3609
3610         * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
3611
3612 2006-01-11  Kazu Hirata  <kazu@codesourcery.com>
3613
3614         * config/sh/predicates.md (sh_rep_vec): Add parallel to
3615         match_code.
3616
3617 2006-01-11  Ben Elliston  <bje@au.ibm.com>
3618
3619         * rtlanal.c (find_reg_note): Assert insn is not null.
3620
3621 2006-01-11  Kenneth Zadeck <zadeck@naturalbridge.com>
3622
3623         * df-scan.c (df_hard_reg_init): Move declaration of i outside
3624         ifdef.
3625
3626 2006-01-11  Jeff Law  <law@redhat.com>
3627
3628         * tree-ssa-threadupdate.c (threaded_edges): New VEC to
3629         hold edge pairs.
3630         (mark_threaded_blocks, register_jump_thread): New functions.
3631         (thread_through_all_blocks): Remove unwanted argument.  No
3632         longer rely on e->aux to communicate thread target info.
3633         Call mark_threaded_blocks.  Release the threaded_blocks
3634         bitmap and threaded_edges vector when complete.
3635         * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
3636         (threaded_blocks): Remove.
3637         (tree_ssa_dominator_optimize): Remove initialization and
3638         finalization of threaded_blocks.  Simplify call to
3639         thread_through_all_blocks.
3640         (thread_across_edge): Call register_jump_thread rather than
3641         storing thread information into e->aux.
3642         (free_all_edge_infos): Simplify now that e->aux is no longer
3643         used to communicate with thread_through_all_blocks.
3644         * tree-flow.h (thread_through_all_blocks): Update prototype.
3645         (register_jump_thread): Prototype.
3646
3647 2006-01-11  Kazu Hirata  <kazu@codesourcery.com>
3648
3649         * df-core.c (df_compact_blocks, df_bb_replace): Use
3650         SET_BASIC_BLOCK instead of BASIC_BLOCK.
3651
3652 2006-01-11  Richard Guenther  <rguenther@suse.de>
3653
3654         PR tree-optimization/25734
3655         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
3656         stop propagation after successful propagation to the LHS.
3657
3658 2006-01-11  Kazu Hirata  <kazu@codesourcery.com>
3659
3660         * basic-block.h (control_flow_graph): Change the type of
3661         x_basic_block_info to VEC(basic_block,gc) *.
3662         (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
3663         basic_block_info.
3664         (SET_BASIC_BLOCK): New.
3665         * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
3666         instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
3667         * cfgbuild.c (find_basic_blocks): Likewise.
3668         * cfglayout.c (fixup_reorder_chain): Likewise.
3669         * cfgrtl.c (create_basic_block_structure,
3670         rtl_create_basic_block): Likewise.
3671         * ifcvt.c (find_if_case_1): Likewise.
3672         * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
3673         Likewise.
3674
3675 2006-01-11  Kenneth Zadeck <zadeck@naturalbridge.com>
3676
3677         * Makefile.in: Removed rotted odf.c entry.
3678
3679 2006-01-11  Hans-Peter Nilsson  <hp@axis.com>
3680
3681         PR target/25706
3682         * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
3683         ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
3684         ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
3685         output pattern modifier, not %e.
3686         * config/cris/cris.c (cris_op_str): Update comment about pattern
3687         modifier.
3688         (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
3689         before falling through into...
3690         <case 'E'>: Redefined from old 'e' case.
3691
3692 2006-01-11  Jan Hubicka  <jh@suse.cz>
3693
3694         PR target/25042
3695         * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
3696
3697 2006-01-11  Jan Hubicka  <jh@suse.cz>
3698
3699         * i386.h (TARGET_DECOMPOSE_LEA): Kill.
3700         * i386.c (x86_decompose_lea): Kill.
3701         (ix86_rtx_costs): Kill.
3702
3703 2006-01-11  Jan Hubicka  <jh@suse.cz>
3704
3705         * cgraph.c (cgraph_insert_node_to_hashtable): New function.
3706         * cgraph.h (cgraph_node): Add inline_decl.
3707         (cgraph_insert_node_to_hashtable): Declare.
3708         (save_inline_function_body): Declare.
3709         * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
3710         clones.
3711         (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
3712         (cgraph_function_versioning): Update call of tree_function_versioning.
3713         (save_inline_function_body): New function.
3714         * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
3715         saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
3716         * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
3717         (cgraph_default_inline_p): Likewise.
3718         (cgraph_decide_inlining_incrementally): Likewise.
3719         * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
3720         (copy_bb): Kill saving; do updating of clones.
3721         (copy_cfg_body): Kill saving.
3722         (initialize_inlined-parameters): Likewise.
3723         (expand_call_inline): Likewise.
3724         (save_body): Kill.
3725         (tree_function_versioning): New parameter "update_clones".
3726         (inlining_p): Kill saving.
3727         * tree-inline.h (tree_function_versioning): Update prototype.
3728         * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
3729         saving.
3730
3731 2006-01-11  Ian Lance Taylor <ian@airs.com>
3732
3733         * combine.c (struct undo): Remove is_int.  Enumify types of undos.
3734         Allow undoing set of machine mode.
3735         (do_SUBST): Use enums instead of is_int.
3736         (do_SUBST_MODE): New function.
3737         (SUBST_MODE): New macro.
3738         (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
3739         reg and trying to replace reg_regno_rtx with a new register.
3740         (undo_all): Use new enums, handle undoing a PUT_MODE change.
3741         (simplify_set): Use SUBST_MODE.
3742         (distribute_notes): Remove code that tried to update reg notes
3743         for regno_reg_rtx changes.
3744
3745 2006-01-11  Paolo Bonzini  <bonzini@gnu.org>
3746
3747         PR tree-optimization/23109
3748         PR tree-optimization/23948
3749         PR tree-optimization/24123
3750
3751         * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
3752         * tree-cfg.c (single_noncomplex_succ): New.
3753         * tree-flow.h (single_noncomplex_succ): Declare it.
3754         * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
3755         * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
3756         (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
3757         insert_bb, register_division_in, insert_reciprocals,
3758         replace_reciprocal, free_bb): New.
3759         (execute_cse_reciprocals_1): Rewritten.
3760         (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
3761         Do not commit any edge insertion.  Always compute dominators and
3762         create the allocation pool.
3763         * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
3764         * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
3765         * targhooks.c (default_min_divistions_for_recip_mul): New.
3766         * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
3767         * passes.c (init_optimization_passes): Run recip after tree loop
3768         optimizations.
3769         * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
3770
3771 2006-01-11  Danny Berlin <dberlin@dberlin.org>
3772             Kenneth Zadeck <zadeck@naturalbridge.com>
3773
3774         * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
3775         DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
3776         DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
3777         DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
3778         DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
3779         DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
3780         DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
3781         DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
3782         DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
3783         DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
3784         DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
3785         DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
3786         DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
3787         DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
3788         DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
3789         DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
3790         DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
3791         DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
3792         DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
3793         DF_SCAN_POST_ALLOC): New macros.
3794         (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
3795         df_free_bb_function, df_local_compute_function, df_init_function,
3796         df_dataflow_function, df_confluence_function_0,
3797         df_confluence_function_n, df_transfer_function,
3798         df_finalizer_function, df_free_function, df_dump_problem_function,
3799         df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
3800         df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
3801         df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
3802         df_urec_bb_info, ) New types.
3803         (df_invalidated_by_call, df_all_hard_regs, df_state) New public
3804         variables.
3805         (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
3806         df_analyze_simple_change_some_blocks,
3807         df_analyze_simple_change_one_block, df_compact_blocks,
3808         df_bb_replace, df_bb_regno_last_use_find,
3809         df_bb_regno_first_def_find, df_bb_regno_last_def_find,
3810         df_insn_regno_def_p, df_find_def, df_find_use,
3811         df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
3812         df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
3813         df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
3814         debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
3815         debug_df_chain, df_get_dependent_problem, df_chain_create,
3816         df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
3817         df_grow_bb_info, df_chain_dump, df_print_bb_index,
3818         df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
3819         df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
3820         df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
3821         df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
3822         df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
3823         df_rescan_blocks, df_ref_create, df_get_artificial_defs,
3824         df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
3825         df_ref_remove, df_insn_refs_delete, df_refs_delete,
3826         df_reorganize_refs, df_set_state, df_hard_reg_init,
3827         df_read_modify_subreg_p) New public functions.
3828         * df-core.c: The core dataflow solver and glue routines for rtl
3829         dataflow.
3830         (df_init, df_add_problem, df_set_blocks, df_finish,
3831         df_hybrid_search_forward, df_hybrid_search_backward,
3832         df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
3833         df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
3834         df_bb_regno_last_use_find, df_bb_regno_first_def_find,
3835         df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
3836         df_reg_defined, df_find_use, df_reg_used, df_dump,
3837         df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
3838         df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
3839         debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
3840         debug_df_useno, reset_df_after_reload): New functions.
3841         * df-scan.c: The scanning fuctions, once in df.c, completely
3842         rewritten so that they now fully model the functionality of
3843         register usage at the backend.
3844         (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
3845         df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
3846         df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
3847         df_grow_insn_info, df_rescan_blocks, df_ref_create,
3848         df_get_artificial_defs, df_get_artificial_uses,
3849         df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
3850         df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
3851         df_refs_delete, df_reorganize_refs, df_set_state,
3852         df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
3853         df_def_record_1, df_defs_record, df_uses_record,
3854         df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
3855         df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
3856         df_record_exit_block_uses, df_hard_reg_init): New functions.
3857
3858         * df-problems.c: Seven concrete dataflow problems that use the
3859         scanning in df-scan.c and are solved by the engine in df-core.c.
3860         (df_get_dependent_problem, df_chain_create, df_chain_unlink,
3861         df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
3862         df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
3863         df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
3864         df_ru_free_bb_info, df_ru_alloc,
3865         df_ru_bb_local_compute_process_def,
3866         df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
3867         df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
3868         df_ru_transfer_function, df_ru_free, df_ru_dump,
3869         df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
3870         df_rd_free_bb_info, df_rd_alloc,
3871         df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
3872         df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
3873         df_rd_transfer_function, df_rd_free, df_rd_dump,
3874         df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
3875         df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
3876         df_lr_local_compute, df_lr_init, df_lr_confluence_0,
3877         df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
3878         df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
3879         df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
3880         df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
3881         df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
3882         df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
3883         df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
3884         df_urec_mark_reg_change, df_urec_check_earlyclobber,
3885         df_urec_mark_reg_use_for_earlyclobber,
3886         df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
3887         df_urec_local_compute, df_urec_init, df_urec_local_finalize,
3888         df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
3889         df_urec_dump, df_urec_add_problem, df_chain_alloc,
3890         df_chain_create_bb_process_use, df_chain_create_bb,
3891         df_chain_finalize, df_chain_free, df_chains_dump,
3892         df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
3893         df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
3894         df_reg_lifetime): New functions.
3895         * df.c: Deleted file.
3896         * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
3897         consistent with new df api.
3898         * modulo-sched.c (sms_schedule, rest_of_handle_sms,
3899         rest_of_handle_sms): Ditto.
3900         * web.c (unionfind_union, union_defs, entry_register, web_main):
3901         Ditto.
3902         * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
3903         invariant_expr_equal_p, find_defs, check_dependencies,
3904         find_invariant_insn, find_invariants_to_move, move_invariant_reg,
3905         free_inv_motion_data, move_loop_invariants): Ditto.
3906         * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
3907         Update dependencies.
3908         (odf.c): Added defective entry that was deleted later in day.
3909         * sched-deps.c (sched_analyze_1): Ditto.
3910
3911 2006-01-11  Zdenek Dvorak <dvorakz@suse.cz>
3912
3913         * tree-ssa-operands.c (get_expr_operands): Record addressable
3914         variables directly.  Do not call add_stmt_operands for CONST_DECLs
3915         and ARRAY_DECLs.
3916         (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
3917         (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
3918
3919 2006-01-11  Ben Elliston  <bje@au.ibm.com>
3920
3921         * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
3922         function returns true in the positive case.
3923
3924 2006-01-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3925
3926         PR target/20754
3927         * config/pa/pa.md: Create separate 32 and 64-bit move patterns
3928         for SI, DI, SF and DF modes.  Add alternatives to copy between
3929         general and floating point registers to the 32-bit patterns.
3930         * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
3931         * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
3932         (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
3933         generating 64-bit code.
3934         * config/pa/pa.c (output_move_double): Handle copies between general
3935         and floating registers.
3936
3937 2006-01-10  Stuart Hastings  <stuart@apple.com>
3938
3939         * config/i386/i386.md (set_got): Update.
3940         (set_got_labelled): New.  (UNSPEC_LD_MPIC): New.
3941         (builtin_setjmp_receiver): Mach-O support.
3942         * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
3943         (GOT_SYMBOL_NAME): Define.
3944         (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
3945         (TARGET_DEEP_BRANCH_PREDICTION): Remove.
3946         * config/i386/i386.c (override_options): Revise for Darwin.
3947         (USE_HIDDEN_LINKONCE): Enable for Mach-O.  (ix86_file_end): Mach-O
3948         support.  (darwin_x86_file_end): New.  (output_set_got): Add label
3949         parameter, revise for Mach-O.  (x86_output_mi_thunk): Likewise.
3950         * config/i386/i386-protos.h (output_set_got): Likewise.
3951         * config/darwin.c (machopic_legitimize_pic_address): Update
3952         regs_ever_live[].
3953
3954 2006-01-10  Kaz Kojima  <kkojima@gcc.gnu.org>
3955
3956         * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
3957         when MODE isn't BLKmode.
3958
3959 2006-01-10  Eric Botcazou  <ebotcazou@libertysurf.fr>
3960
3961         PR rtl-optimization/25367
3962         * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
3963
3964 2006-01-10  Hans-Peter Nilsson  <hp@axis.com>
3965
3966         PR target/25718
3967         * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
3968         for a negative bound.
3969
3970 2006-01-10  Richard Guenther  <rguenther@suse.de>
3971
3972         * tree-ssa-structalias.c (get_constraint_for_component_ref):
3973         Never override with anything constraint.
3974
3975 2006-01-10  Jan Beulich  <jbeulich@novell.com>
3976
3977         * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
3978         256 bits when optimize_size.
3979
3980 2006-01-10  Jan Beulich  <jbeulich@novell.com>
3981
3982         * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
3983         MASK_ALIGN_DOUBLE.
3984         * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
3985         * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
3986         arguments.
3987
3988 2006-01-10  Ben Elliston  <bje@au.ibm.com>
3989
3990         * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
3991         float modes.
3992         * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
3993         (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
3994         (USE_FP_FOR_ARG): Reject decimal float modes.
3995         (function_arg_advance): Likewise.
3996         (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
3997         (rs6000_handle_altivec_attribute): Do not permit decimal floating
3998         point types in AltiVec vectors.
3999         (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
4000         (rs6000_libcall_value): Likewise.
4001
4002 2006-01-09  Bob Wilson  <bob.wilson@acm.org>
4003
4004         * config/xtensa/ieee754-df.S: New file.
4005         * config/xtensa/ieee754-sf.S: New file.
4006         * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
4007         (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
4008         * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
4009
4010 2006-01-09  Kazu Hirata  <kazu@codesourcery.com>
4011
4012         * config/sh/predicates.md (binary_float_operator,
4013         binary_logical_operator, commutative_float_operator,
4014         equality_comparison_operator, greater_comparison_operator,
4015         less_comparison_operator, logical_operator,
4016         noncommutative_float_operator, shift_operator,
4017         symbol_ref_operand, unary_float_operator): Remove redundant
4018         conditionals.
4019
4020 2006-01-09  Jeff Law  <law@redhat.com>
4021
4022         * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
4023         code to propagate the RHS of a cast into COND_EXPR_COND.  Remove
4024         now unused arguments.  Callers updated.
4025         (eliminate_redundant_computations): Remove now unused arguments,
4026         callers updated.
4027         (local_fold): Remove, no longer used.
4028         (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
4029         and moved to...
4030         * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
4031         (simplify_cond): New function.
4032         (forward_propagate_into_cond): Call simplify_cond.
4033
4034 2006-01-09  Alexandre Oliva  <aoliva@redhat.com>
4035
4036         * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
4037         (*vec_extractv2di_1_sse): New.
4038
4039 2006-01-09  Ben Elliston  <bje@au.ibm.com>
4040
4041         * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
4042
4043 2006-01-08  Richard Guenther  <rguenther@suse.de>
4044
4045         * tree-ssa-structalias.c (get_constraint_for): Remove
4046         anyoffset argument.
4047         (get_constraint_for_component_ref): Likewise.
4048         (do_deref): Likewise.
4049         (get_constraint_for): Likewise.
4050         (do_structure_copy): Likewise.
4051         (handle_ptr_arith): Likewise.
4052         (find_func_aliases): Likewise.  Remove unused need_anyoffset
4053         variable.
4054
4055 2006-01-08  J"orn Rennecke  <joern.rennecke@st.com>
4056             Kaz Kojima  <kkojima@gcc.gnu.org>
4057
4058         * config/sh/sh.h (CONST_OK_FOR_K16): Define.
4059         (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
4060         (EXTRA_CONSTRAINT_C16): Remove.
4061         (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
4062         (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
4063         EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
4064         * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
4065         constants of SHmedia.  Handle nested constant expressions of
4066         SHmedia correctly.
4067         (andcosts): Fix the costs for SHmedia constants.
4068         (sh_rtx_costs): Take account of outer_code for SHmedia constants.
4069         * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
4070         (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
4071         (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
4072         (movv4hi_i, movv2si_i): Likewise.
4073         (movsi_const): Adjust the second operand of ior so to match with
4074         the Csu constraint.
4075         (movdi_const, movdi_const_32bit): Likewise.
4076         (movdi_const_16bit+1): Don't sign-extend LOW.
4077         (movdi_const_16bit+2): Likewise.  Remove the zero_extend and truncate
4078         step.
4079         (*double_shori): Fix the split condition.  Use GEN_INT instead
4080         of get_int_mode calls.  Mask lower 16-bit of the argument of
4081         the last GEN_INT.
4082         (sym2GOTPLT): Remove.
4083         (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
4084         gen_rtx_UNSPEC.
4085         * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
4086         instead of EXTRA_CONSTRAINT_C16.
4087
4088 2006-01-07  Ian Lance Taylor  <ian@airs.com>
4089             David Edelsohn  <edelsohn@gnu.org>
4090
4091         PR rtl-optimization/25662
4092         * optabs.c (simplify_expand_binop): Use simplify_binary_operation
4093         for constant operands instead of simplify_gen_binary.
4094         * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
4095         after trying simplify_binary_operation
4096
4097 2006-01-06  Daniel Berlin  <dberlin@dberlin.org>
4098
4099         * tree.c (iterative_hash_expr): Hash decls based on UID.
4100
4101 2006-01-06  Eric Christopher  <echristo@apple.com>
4102
4103         * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
4104         (TARGET_UNWIND_EMIT): Fix spelling.
4105         * target.h (gcc_target): Add except_table_label.
4106         * except.c (output_function_exception_table): Use.
4107         * varasm.c (default_emit_except_table_label): New.
4108         * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
4109         define.
4110         (asm_out): Add here.
4111         * output.h (default_emit_except_table_label): Prototype.
4112         * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
4113         * config/darwin.c (darwin_emit_except_table_label): Define.
4114         * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
4115
4116 2006-01-06  Zdenek Dvorak <dvorakz@suse.cz>
4117
4118         PR tree-optimization/18527
4119         * tree-ssa-loop-niter.c (number_of_iterations_cond,
4120         number_of_iterations_special, number_of_iterations_exit):
4121         Move base and step of an iv to a single structure.  Add
4122         no_overflow flag, and use it in # of iterations analysis.
4123         * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
4124         folded_casts argument.
4125         (simple_iv): Pass base and step in a structure.  Set no_overflow
4126         flag.
4127         (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
4128         Evaluate expensiveness of computing # of iterations instead of
4129         the final expression.
4130         * tree-scalar-evolution.h (affine_iv): New structure.
4131         (simple_iv): Declaration changed.
4132         * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
4133         * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
4134         find_givs_in_stmt): Changed due to simple_iv change.
4135
4136 2006-01-06  Jeff Law  <law@redhat.com>
4137
4138         PR ada/24994
4139         * tree-cfg.c (bsi_replace): Rename final argument from
4140         PRESERVE_EH_INFO to UPDATE_EH_INFO.  Fix typo in last
4141         change (stmt -> orig_stmt).
4142         * tree-eh.c (verify_eh_throw_stmt_node): New function.
4143         (bsi_remove): Add new argument.  Remove EH information
4144         if requested.
4145         (verify_eh_throw_table_statements): New function.
4146         (bsi_remove): Add new argument REMOVE_EH_INFO.  All callers
4147         updated.
4148         * tree-optimize.c (execute_free_cfg_annotations): Verify
4149         the EH throw statement table after removing annotations.
4150         * except.h (verify_eh_throw_table_statements): Prototype.
4151         * tree-flow.h (bsi_remove): Update prototype.
4152         * tree-vrp.c (remove_range_assertions): Add new argument to
4153         bsi_remove call.
4154         * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
4155         * tree-complex.c (expand_complex_div_wide): Likewise.
4156         * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
4157         * tree-tailcall.c (eliminate_tailcall): Likewise.
4158         * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
4159         * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
4160         * tree-nrv.c (tree_nrv): Likewise.
4161         * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
4162         * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
4163         (combine_blocks): Likewise.
4164         * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
4165         * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
4166         (cleanup_control_flow): Likewise.
4167         (remove_forwarder_block): Likewise.
4168         * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
4169         * tree-sra.c (sra_replace): Likewise.
4170         * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
4171         (forward_propagate_single_use_vars): Likewise.
4172         * tree-ssa-dce.c (remove_dead_stmt): Likewise.
4173         * tree-inline.c (expand_call_inline): Likewise.
4174         * tree-vect-transform.c (vect_transform_loop): Likewise.
4175         * tree-outof-ssa.c (rewrite_trees): Likewise.
4176         * tree-cfg.c (make_goto_expr_edges): Likewise.
4177         (cleanup_dead_labels): Likewise.
4178         (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
4179         (bsi_move_before, bsi_move_after): Likewise.
4180         (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
4181         (tree_redirect_edge_and_branch, tree_split_block): Likewise.
4182
4183 2006-01-06  Andrew Pinski  <pinskia@physics.uc.edu>
4184
4185         PR tree-opt/25528
4186         * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
4187         and IMAGPART_EXPR.
4188         * tree-flow-inline.h (var_can_have_subvars): Handle complex types
4189         on non gimple variables.  Also add checks at the top for decls and
4190         mtags.
4191         * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
4192         complex types.
4193         * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
4194         and IMAGPART_EXPR for creating MUST_DEFs.
4195         (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
4196         and NAME_MEMORY_TAG separately from the DECLs.
4197
4198 2006-01-06  Richard Guenther  <rguenther@suse.de>
4199
4200         * tree-dfa.c (mark_new_vars_to_rename): Create stmt
4201         annotation, if necessary.
4202         * tree-ssa-pre.c (create_expression_by_pieces): Remove
4203         redundant calls to update_stmt.
4204         * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
4205         Likewise.
4206
4207 2006-01-05  Richard Henderson  <rth@redhat.com>
4208
4209         * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
4210
4211 2006-01-05  Carlos O'Donell  <carlos@codesourcery.com>
4212
4213         * c-typeck.c: Update copyright date.
4214
4215 2006-01-05  Carlos O'Donell  <carlos@codesourcery.com>
4216
4217         * c-typeck.c (build_c_cast): Always warn when casting
4218         from a pointer to an integer of different size, even if
4219         the node was constant.
4220
4221 2006-01-05  Richard Guenther  <rguenther@suse.de>
4222
4223         PR tree-optimization/22555
4224         * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
4225         if one structure field is an array.
4226         * tree-ssa-operands.c (get_expr_operands): Continue scanning
4227         operands even if we found a subvar, but ignore VOPs in this
4228         case.
4229         * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
4230         for renaming.
4231         * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
4232
4233 2006-01-05  Richard Earnshaw  <rearnsha@arm.com>
4234
4235         PR middle-end/24998
4236         * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
4237
4238 2006-01-05  Richard Guenther  <rguenther@suse.de>
4239             Diego Novillo  <dnovillo@redhat.com>
4240
4241         * tree-pass.h (TODO_remove_unused_locals): Define.
4242         * gimple-low.c (expand_var_p, remove_useless_vars,
4243         pass_remove_useless_vars): Remove.  Update all users.
4244         * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
4245         (remove_unused_locals): New function.
4246         * tree-flow.h (remove_unused_locals): Declare.
4247         * passes.c (execute_todo): Call remove_unused_locals if
4248         TODO_remove_unused_locals is set.
4249         * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
4250         * tree-ssa-dce.c (pass_dce): Likewise.
4251         * tree-outof-ssa.c (pass_del_ssa): Likewise.
4252
4253 2006-01-05  Richard Guenther  <rguenther@suse.de>
4254
4255         * tree-flow.h (struct fieldoff): Decompose field to
4256         type, size and decl.
4257         * tree-ssa-alias.c (create_sft): Take type as parameter.
4258         (create_overlap_variables_for): Store type, size and decl
4259         in the fieldoff structure.
4260         * tree-ssa-structalias.c (fieldoff_compare): Adjust users
4261         of struct fieldoff.
4262         (push_fields_onto_fieldstack): Likewise.
4263         (create_variable_info_for): Likewise.  Use offset for the
4264         SFT name if the decl is not available.
4265
4266 2006-01-04  Paul Brook  <paul@codesourcery.com>
4267
4268         * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
4269
4270 2006-01-04  Daniel Berlin  <dberlin@dberlin.org>
4271
4272         * lambda-code.c (can_put_in_inner_loop): Relax
4273         restrictions.
4274         (can_put_after_inner_loop): New function.
4275         (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
4276         (perfect_nestify): Change to make copies and modify uses.
4277
4278 2006-01-04  Richard Henderson  <rth@redhat.com>
4279
4280         Merge from gomp branch:
4281         * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
4282         via integer constant.
4283         (pragma_lex): Remove.
4284         * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
4285         rather than parsing it.
4286         * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
4287         handle_pragma_extern_prefix): Add %< %> quotes.
4288         (registered_pragmas): New.
4289         (c_register_pragma_1): New.
4290         (c_register_pragma): Use it.
4291         (c_register_pragma_with_expansion): Likewise.
4292         (c_invoke_pragma_handler): New.
4293         (init_pragma): Use cpp_register_deferred_pragma directly for
4294         pch_preprocess.
4295         * c-pragma.h (enum pragma_kind): New.
4296         (pragma_handler): New.
4297         (c_invoke_pragma_handler): Declare.
4298         * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
4299         CPP_PRAGMA_EOL.
4300         * c-common.h (c_common_pch_pragma): Update decl.
4301         * Makefile.in (c-parser.o): Update dependencies.
4302         (GTFILES): Add c-pragma.h.
4303         * c-parser.c (struct c_token): Add pragma_kind.
4304         (struct c_parser): Add in_pragma.
4305         (c_lex_one_token): Always initialize keyword and pragma_kind.
4306         Extract data for CPP_PRAGMA.
4307         (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
4308         (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
4309         Don't allow CPP_PRAGMA_EOL if in_pragma.
4310         (c_parser_consume_pragma): New.
4311         (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
4312         (c_parser_skip_to_end_of_parameter): Likewise.
4313         (c_parser_skip_to_end_of_block_or_statement): Likewise.
4314         (c_parser_skip_to_pragma_eol): New.
4315         (c_parser_external_declaration): Handle CPP_PRAGMA.
4316         (c_parser_compound_statement_nostart): Likewise.
4317         (c_parser_statement_after_labels): Likewise.
4318         (c_parser_pragma): New.
4319         (pragma_lex): Likewise.
4320         (c_parser_pragma_pch_preprocess): New.
4321         (c_parser_new): Merge into ...
4322         (c_parse_file): ... here.  Call c_parser_pragma_pch_preprocess.
4323
4324 2006-01-04  Jeff Law  <law@redhat.com>
4325
4326         PR ada/24994
4327         * tree-cfg.c (bsi_replace): Remove the original statement
4328         from the EH throw statement table.
4329
4330 2006-01-04  Jakub Jelinek  <jakub@redhat.com>
4331
4332         * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
4333         make the prototype extern "C" and add throw ().
4334
4335         PR target/25554
4336         * config/i386/i386.md (testqi_ext_3): Ensure len is positive
4337         and pos non-negative and pos + len <= 32.
4338         (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
4339         drop pos + len < HOST_BITS_PER_WIDE_INT test.
4340         (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
4341
4342         PR c/25559
4343         * c-common.c (handle_vector_size_attribute): Reject zero vector size
4344         as well as sizes not multiple of component size.
4345
4346         PR debug/25562
4347         * function.c (instantiate_expr): New function.
4348         (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
4349         walk its DECL_VALUE_EXPR with instantiate_expr.
4350
4351         * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
4352         DW_OP_deref{,_size} if address isn't going to be added.
4353
4354 2006-01-04  Ben Elliston  <bje@au.ibm.com>
4355
4356         * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
4357         * config/fp-bit.c: Likewise.
4358
4359 2006-01-03  Daniel Berlin  <dberlin@dberlin.org>
4360
4361         * dominance.c: Add comment about why we use DFS numbering
4362         of dominance tree.
4363
4364 2006-01-03  Jakub Jelinek  <jakub@redhat.com>
4365             Richard Henderson  <rth@redhat.com>
4366
4367         Merge from gomp-branch:
4368         * varasm.c (assemble_variable): Handle thread-local COMMON data.
4369         * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
4370
4371 2006-01-03  Paolo Bonzini  <bonzini@gnu.org>
4372
4373         PR rtl-optimization/25578
4374         * combine.c (combine_simplify_rtx, force_to_mode): Don't
4375         pass a parameter to simplify_shift_const if changing ASHIFTRT
4376         to LSHIFTRT.
4377
4378 2006-01-03  Adrian Straetling  <straetling@de.ibm.com>
4379
4380         * builtins.c (get_builtin_sync_mem): New function.
4381         (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
4382         expand_builtin_lock_test_and_set, expand_builtin_lock_release):
4383         Call get_builtin_sync_mem to generate mem rtx.
4384
4385 2006-01-03  Richard Guenther  <rguenther@suse.de>
4386
4387         PR c/25183
4388         * stmt.c (add_case_node): Make sure to clear overflow flags
4389         from ranges.
4390
4391 2006-01-03  Jakub Jelinek  <jakub@redhat.com>
4392
4393         Merge from gomp-branch.
4394         * config/sparc/sync.md: New file.
4395         * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
4396         UNSPECV_LDSTUB): New constants.
4397         * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
4398         * config/sparc/predicates.md (memory_reg_operand): New predicate.
4399         * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
4400         prototype.
4401
4402 2006-01-03  Roger Sayle  <roger@eyesopen.com>
4403
4404         * combine.c (reg_subword_p): New predicate to test whether the
4405         destination of a set refers to a subword/piece of a register.
4406         (try_combine): Generalize the code to merge the setting of a
4407         pseudo to a constant followed by a set of a subword of that
4408         register to a constant.
4409
4410 2006-01-03  Kazu Hirata  <kazu@codesourcery.com>
4411
4412         * basic-block.h (control_flow_graph): Change the type of
4413         x_label_to_block_map to VEC(basic_block,gc) *.
4414         * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
4415         set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
4416
4417         * tree-ssa-propagate.c (cfg_blocks): Change the type to
4418         VEC(basic_block,heap) *.
4419         (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
4420         ssa_prop_fini): Adjust the uses of cfg_blocks.
4421
4422 2006-01-03  Steven Bosscher  <stevenb.gcc@gmail.com>
4423
4424         * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
4425         COMPONENT_REFs.
4426         * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
4427         hashing trees instead of a pointer hash.
4428         (mem_attrs_htab_eq): Do a deep compare instead of a pointer
4429         compare for MEM_EXPR.
4430
4431         PR rtl-optimization/25130
4432         * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
4433         when comparing MEMs for GCSE
4434
4435 2006-01-03  Ben Elliston  <bje@au.ibm.com>
4436
4437         * targhooks.h (default_decimal_float_supported_p): Declare.
4438         * targhooks.c (default_decimal_float_supported_p): Define.
4439         * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
4440         `default_decimal_float_supported_p'.
4441         * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
4442
4443 2006-01-02  Adam Nemet  <anemet@caviumnetworks.com>
4444
4445         * combine.c (apply_distributive_law <SUBREG>): Check
4446         TRULY_NOOP_TRUNCATION.
4447
4448 2006-01-02  Geoffrey Keating  <geoffk@apple.com>
4449
4450         * dwarf2out.c (have_switched_text_section): Delete.
4451         (have_multiple_function_sections): New.
4452         (have_location_lists): Make 'bool'.
4453         (add_AT_loc_list): Use 'true' not '1'.
4454         (dwarf2out_switch_text_section): Set have_multiple_function_sections.
4455         (output_loc_list): Use have_multiple_function_sections.
4456         (output_ranges): Likewise.
4457         (dwarf2out_begin_function): Set have_multiple_function_sections if
4458         necessary.
4459         (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
4460         Check function_section rather than DECL_SECTION_NAME.
4461         (dwarf2out_finish): Use have_multiple_function_sections.
4462         Don't clear have_location_lists.
4463
4464 2006-01-02  Eric Botcazou  <ebotcazou@adacore.com>
4465             Jan Hubicka  <jh@suse.cz>
4466
4467         * cfglayout.c (fixup_reorder_chain): Remove kludge for the
4468         case of conditional jump jumping to the next instruction.
4469         * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
4470         cases of conditional jump jumping to the next instruction.
4471
4472 2006-01-02  Jan Hubicka  <jh@suse.cz>
4473
4474         * i386.c (*_cost): Add COSTS_N_INSNS.
4475         (ix86_rtx_costs): Do not use COSTS_N_INSNS.
4476
4477 2006-01-02  Paolo Bonzini  <bonzini@gnu.org>
4478
4479         PR target/25259
4480         * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
4481
4482 2006-01-02  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
4483
4484         * config/arm/arm.c (all_fpus): Fix comment typo.
4485         * config/darwin.c: Likewise.
4486         * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
4487         * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
4488         * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
4489
4490 2006-01-01  David Edelsohn  <edelsohn@gnu.org>
4491
4492         * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
4493         (rs6000_split_compare_and_swapqhi): New.
4494         * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
4495         (sync_compare_and_swapqhi_internal): New.
4496         * config/rs6000/rs6000-protos.h: Declare.