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