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