re PR tree-optimization/26213 (new (within last few days) infinite loop with -O1)
[platform/upstream/gcc.git] / gcc / ChangeLog
1 2006-02-10  Jeff Law  <law@redhat.com>
2
3         PR tree-optimization/26213
4         * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
5         loop trying to follow SSA_NAME_VALUE chains.
6
7 2006-02-10  Richard Guenther  <rguenther@suse.de>
8
9         * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
10         deal with structures that end in implicitly variable sized arrays.
11
12 2006-02-09  Zdenek Dvorak <dvorakz@suse.cz>
13
14         PR rtl-optimization/24762
15         * df-scan.c (df_bb_refs_record): Record correct registers defined on
16         eh edges.
17
18 2006-02-09  Zdenek Dvorak <dvorakz@suse.cz>
19
20         * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
21         (struct ivopts_data): Add regs_used field.
22         (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
23         (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
24         instead of loop_data->regs_used;
25         (free_loop_data): Do not free aux fields for loops.
26         (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
27         and tree_ssa_iv_optimize_finalize.
28
29 2006-02-09  Kaz Kojima  <kkojima@gcc.gnu.org>
30
31         * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
32
33 2006-02-09  J"orn Rennecke <joern.rennecke@st.com>
34
35         PR target/26141
36         * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
37         computing the effective result type.
38
39 2006-02-09  J"orn Rennecke <joern.rennecke@st.com>
40
41         PR inline-asm/16194
42         * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
43         (tree_overlaps_hard_reg_set): Declare.
44         * stmt.c (decl_overlaps_hard_reg_set_p): Now static.  Change return
45         type and signature to match function type expected by walk_tree.
46         (tree_overlaps_hard_reg_set): New function.
47         (decl_conflicts_with_clobbers_p): Rename to:
48         (tree_conflicts_with_clobbers_p).  Take HARD_REG_SET * argument.
49         Use tree_overlaps_hard_reg_set.  Changed caller.
50         * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
51         decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
52         * cris.c (cris_md_asm_clobbers): Likewise.
53
54 2006-02-09  Bernd Schmidt  <bernd.schmidt@analog.com>
55
56         * reload1.c (emit_input_reload_insns): Delete code that tries to
57         inherit using find_equiv_reg.
58
59 2006-02-09  Gabriel Dos Reis  <gdr@integrable-solutions.net>
60
61         * c-common.h (flag_const_strings): Don't declare.
62         * c-common.c (flag_const_strings): Remove.
63         * c.opt (fconst_strings): Remove.
64         * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
65         <OPT_Wwrite_strings>: Don't set flag_const_strings.
66         (c_common_init_options): Don't set flag_const_strings.
67         * doc/invoke.texi (-fno-const-strings): Remove documentation.
68
69 2006-02-09  Richard Earnshaw  <richard.earnshaw@arm.com>
70
71         * arm.md (tlobits_cbranch): New pattern.
72         * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
73         testing a single bit.
74
75 2006-02-09  Andrew Pinski  <pinskia@physics.uc.edu>
76
77         PR tree-opt/26179
78         * tree-ssa-pre.c (create_component_ref_by_pieces):
79         Handle RETURN_DECL like VAR_DECL.
80
81 2006-02-09  Andrew Pinski  <pinskia@physics.uc.edu>
82
83         PR middle-end/26134
84         * fold-const.c (fold_indirect_ref_1): Fold 
85         "*(foo *)&complexfoo" to "__real__ complexfoo"
86         and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
87
88 2006-02-09  Andrew Pinski  <pinskia@physics.uc.edu>
89
90         * tree-flow-inline.h (var_can_have_subvars): 
91         Volatile variables should not have subvariables.
92
93 2006-02-09  Diego Novillo  <dnovillo@redhat.com>
94
95         PR 26180
96         * tree-vrp.c (vrp_int_const_binop): Detect overflow when
97         multiplying unsigned values.
98         Tidy comments.
99
100 2006-02-09  Eric Botcazou  <ebotcazou@libertysurf.fr>
101
102         * config/sparc/sparc.c (tls_call_delay): Fix oversight.
103
104 2006-02-08  Jason Merrill  <jason@redhat.com>
105
106         PR c++/25979
107         * tree.def: Elaborate on difference from MODIFY_EXPR.
108         * doc/c-tree.texi (INIT_EXPR): Likewise.
109         * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
110         (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
111         (gimplify_target_expr): Likewise.
112         (gimplify_cond_expr): Remove target handling.
113         (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
114         (gimplify_expr): Clobber it here.
115         (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
116         Do return slot optimization if we have an INIT_EXPR.
117
118         PR tree-opt/24365
119         * tree-inline.c (declare_return_variable): Also clear 
120         DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
121
122         PR c++/16405
123         * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
124
125         PR middle-end/22439
126         * gimplify.c (gimplify_one_sizepos): Fix typo.
127
128 2006-02-08  Jeff Law  <law@redhat.com>
129
130         PR tree-optimization/21417
131         * tree-ssa-threadedge.c (thread_across_edge): Reject threading
132         across a backedge if the control statement at the end of the
133         block is data dependent on other statements in the same block.
134         (record_temporary_equivalences_from_stmts): Remove over-conservative
135         test for threading across backedges.
136
137         * tree-ssa-dce.c (remove_dead_statement): When removing a dead
138         control statement, handle all three special cases in the same
139         manner as they all have the same desired solution.  No longer
140         special case edge flag updating when the post dominator is
141         the exit block.
142
143 2006-02-08  Roger Sayle  <roger@eyesopen.com>
144
145         * tree.def (CHAR_TYPE): Remove.
146         * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
147         * dwarf2out.c (base_type_die, is_base_type): Likewise.
148         (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
149         (gen_string_type_die): Delete unreachable function.
150
151         * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
152         * tree.c (build_int_cst_wide, type_contains_placeholder_1,
153         type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
154         * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
155         * builtins.c (type_to_class): Likewise.
156         * fold-const.c (fold_convert, build_range_check,
157         merge_ranges): Likewise.
158         * expr.c (count_type_elements): Likewise.
159         * c-pretty-print.c (pp_c_type_specifier): Likewise.
160         * stor-layout.c (layout_type): Likewise.
161         * ipa-type-escape.c (type_to_consider): Likewise.
162         * gimplify.c (omp_firstprivatize_type_sizes,
163         gimplify_type_sizes): Likewise.
164         * explow.c (promote_mode): Likewise.
165         * tree-sra.c (is_sra_scalar_type): Likewise.
166         * varasm.c (output_constant): Likewise.
167         * tree-inline.c (remap_type_1): Likewise.
168         * convert.c (convert_to_pointer, convert_to_real,
169         convert_to_integer, convert_to_complex): Likewise.
170
171 2006-02-08  Daniel Berlin  <dberlin@dberlin.org>
172
173         * df-scan.c (df_def_record_1): A set destination may
174         be a parallel regardless of mode.
175
176 2006-02-08  Roger Sayle  <roger@eyesopen.com>
177
178         PR target/22209
179         * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
180         * config/mips/_tilib.c: Remove.
181         * config/fixtfdi.c: New libgcc source file.
182         * config/fixunstfdi.c: New source file.
183         * config/floatditf.c: New source file.
184         * config/floatunditf.c: New souce file.
185         * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
186         files above instead of config/mips/_tilib.c.
187         * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
188
189 2006-02-08  Jeff Law  <law@redhat.com>
190
191         PR tree-optimization/26169
192         * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
193         threading jumps.
194
195 2006-02-08  Zdenek Dvorak <dvorakz@suse.cz>
196
197         * df.h (DF_REG_SIZE): Return the length of the initialized
198         part of the array.
199
200 2006-02-08  Nathan Sidwell  <nathan@codesourcery.com>
201
202         * gcc/config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
203         __muldf3): Return a correctly signed zero.
204
205 2006-02-08  Paolo Bonzini  <bonzini@gnu.org>
206
207         * passes.c (register_one_dump_file): Accept the current properties
208         instead of pass number.  Adjust call to dump_register.  Remove
209         duplicated code.
210         (register_dump_files): Now a wrapper around...
211         (register_dump_files_1): ... this one.  Do not modify the pass
212         structure.
213         (next_pass_1): Cosmetic fix.
214         (execute_todo): Keep second parameter only.  Use curr_properties
215         instead of fetching it from the pass structure.  Check and set
216         last_verified.
217         (execute_one_pass): Handle TODO_set_props.  Use curr_properties
218         instead of fetching it from the pass structure.  Fix calls to
219         execute_todo.  Update curr_properties and initialize .vcg RTL dump
220         after running the pass.  Reset last_verified.
221         * tree-dump.c (dump_files): Renumber consecutively.  Put .cgraph dump
222         at the beginning.
223         (FIRST_AUTO_NUMBERED_DUMP): New.
224         (dump_register): Remove "num" parameter, assign it within the
225         function.
226         (get_dump_file_name): Modify template for dumps.
227         * tree-dump.h (dump_register): Adjust prototype.
228         * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
229         (PROP_trees): Add PROP_gimple_lomp.
230         (TODO_set_props): New.
231         * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
232         * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
233         * cfgexpand.c (pass_expand): Destroy PROP_trees.
234
235 2006-02-08  Jakub Jelinek  <jakub@redhat.com>
236
237         * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
238         (sparc64-*-linux*): Likewise.
239         * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
240         * config/sparc/t-linux: New file.
241         * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
242         __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
243         (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
244         -m32 -mlong-double-128.
245
246         * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
247         * config/alpha/t-linux: New file.
248         * config/alpha/libgcc-alpha-ldbl.ver: New file.
249
250         * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
251         __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
252         (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
253         * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
254         __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
255         (CPP_ARCH32_SPEC): Remove.
256
257 2006-02-07  Uttam Pawar  <uttamp@us.ibm.com>
258
259         PR tree-optimization/26145
260         * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
261         bbs pointer.
262
263 2006-02-07  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
264
265         PR target/26109
266         * pa.c (attr_length_indirect_call): Don't return length 8 for distances
267         >= 240000 when generating code for SOM runtime.
268         (output_indirect_call): Don't use "b,l" instruction for indirect calls
269         to $$dyncall when generating code for SOM runtime..
270
271 2006-02-07  Dirk Mueller  <dmueller@suse.com>
272
273         PR c++/18150
274         * doc/invoke.texi (-Wsequence-point): Update documentation
275         that -Wsequence-point is implemented for C++ as well.
276
277 2006-02-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
278
279         * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
280         * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
281         (LIB_SPEC): Likewise.
282         * doc/invoke.texi (SPARC options): Document -pthread.
283
284 2006-02-07  Geoffrey Keating  <geoffk@apple.com>
285
286         * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
287         PIC addresses.
288
289 2006-02-07  Roger Sayle  <roger@eyesopen.com>
290
291         * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
292         Correct comment describing BOOLEAN_TYPE.
293
294 2006-02-07  Dirk Mueller  <dmueller@suse.com>
295
296         * c.opt: C++ frontend supports -Wdiv-by-zero.
297         * c-opts.c (c_common_handle_option): Remove dead case.
298
299 2006-02-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
300
301         * configure.ac (TLS assembler check): Do not enable TLS by
302         default on SPARC/Solaris before version 10.
303         * configure: Regenerate.
304
305 2006-02-07  David Edelsohn  <edelsohn@gnu.org>
306
307         * doc/invoke.texi (xl-compat): Document conversion and support
308         routine names.
309
310 2006-02-07  Jeff Law  <law@redhat.com>
311
312         * tree-vrp.c (find_conditional_asserts): Update comments.
313         (simplify_stmt_for_jump_threading): New.
314         (identify_jump_threads, finalize_jump_threads): New.
315         (vrp_finalize): Call identify_jump_threads.
316         (execute_vrp): Call finalize_jump_threads.
317         * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
318         (vrp_element, vrp_data, vrp_element_p): Remove.
319         (vrp_hash_elt, vrp_variables_stack): Remove.
320         (vrp_hash, vrp_eq, record_range): Remove.
321         (simplify_cond_and_lookup_avail_expr): Remove.
322         (extract_range_from_cond): Remove.
323         (thread_across_edge): Relocated into tree-ssa-threadedge.c.
324         (simplify_stmt_for_jump_threading): New.
325         (dom_thread_across_edge): New wrapper.
326         (tree_ssa_dominator_optimize): No longer initialize or
327         finalize any of the VRP datastructures.  Remove iteration
328         step and simplify as a result of removal of iteration step.
329         (pass_dominator): Perform a cfg cleanup after DOM.
330         (dom_opt_finalize_block): Use the new common routines
331         for threading jumps.  Simplify stack management slightly.
332         No longer need to unwind VRP state.
333         (record_equivalences_from_incoming_edge): No longer record
334         VRP information.
335         (eliminate_redundant_computations): No longer call
336         simplify_cond_and_lookup_avail_expr.
337         * tree-flow.h (potentially_threadable_block): Prototype.
338         (thread_across_edge): Likewise.
339         * Makefile.in (OBJS-common):  Add tree-ssa-threadedge.o
340         (tree-ssa-threadedge.o): Add dependencies.
341         * tree-ssa-threadedge.c: New file.
342         * passes.c (init_optimization_passes): Merge PHIs before
343         calling VRP.  Run VRP again late in the SSA optimization pipeline.
344
345 2006-02-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
346
347         * df-core.c (df_set_blocks): Do not dereference function pointers.
348         (df_finish1): Likewise.
349         (df_hybrid_search_forward): Likewise.
350         (df_hybrid_search_backward): Likewise.
351         (df_iterative_dataflow): Likewise.
352         (df_analyze_problem): Likewise.
353         (df_compact_blocks): Likewise.
354         (df_dump): Likewise.
355         * df-scan.c (df_rescan_blocks): Likewise.
356         (df_record_entry_block_defs): Likewise.
357
358         * genconditions.c (write_conditions): Guard the definition of
359         'insn_conditions' with the check on GCC version.
360         (write_writer): Guard the traversal 'insn_conditions' with
361         the check on GCC version.
362
363 2006-02-07  Richard Guenther  <rguenther@suse.de>
364
365         PR c++/26140
366         Revert
367         2006-01-30  Richard Guenther  <rguenther@suse.de>
368         PR c++/23372
369         * gimplify.c (gimplify_target_expr): Handle easy cases
370         without creating a temporary.
371
372 2006-02-07  Pete Steinmetz  <steinmtz@us.ibm.com>
373
374         * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
375         use of float in probability computations.  Use edge probabilities
376         in place of statically computed probabilities.
377         (min_spec_prob): New static variable.
378         (schedule_insns): Initialize it.
379         (GET_SRC_PROB): Removed.
380         * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
381
382 2006-02-07  Alexandre Oliva  <aoliva@redhat.com>
383
384         PR debug/24444
385         * config/ia64/unwind-ia64.c: Revert last change.
386         * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
387         (INCOMING_FRAME_SP_OFFSET): Define.
388
389 2006-02-06  Roger Sayle  <roger@eyesopen.com>
390
391         * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
392
393 2006-02-07  Ben Elliston  <bje@au.ibm.com>
394
395         * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
396         (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
397         (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
398         (ix86_return_in_memory): Handle TDmode.
399         (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
400         (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
401
402 2006-02-06  Richard Sandiford  <richard@codesourcery.com>
403
404         * reorg.c (dbr_schedule): Use dump_file instead of file.
405
406 2006-02-06  Steve Ellcey  <sje@cup.hp.com>
407
408         PR target/25917
409         * config/ia64/predicates.md (extr_len_operand): New predicate.
410         * config/ia64/ia64.md (extv): Tighten constraints.
411         (extzv): Ditto.
412         (*tbit_and_2): Ditto.
413         (*tbit_and_3): Ditto.
414         (*tbit_or_2): Ditto.
415         (*tbit_or_3): Ditto.
416         (*bit_zero): Ditto.
417         (*bit_one): Ditto.
418
419 2006-02-06  Andrew Pinski  <pinskia@physics.uc.edu>
420
421         PR target/23359
422         * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
423
424 2006-02-06  Zdenek Dvorak <dvorakz@suse.cz>
425
426         * tree-vrp.c (execute_vrp): Do not pass dump argument to.
427         loop_optimizer_init and loop_optimizer_finalize
428         * tree-ssa-sink.c (execute_sink_code): Ditto.
429         * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
430         * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
431         tree_ssa_loop_done): Ditto.
432         * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
433         * sched-ebb.c: Include output.h.
434         (schedule_ebbs): Do not use dump argument.
435         * value-prof.h (struct profile_hooks): Remove profile_dump_file.
436         * loop.c (loop_dump_stream): Removed.
437         (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
438         argument.
439         (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
440         emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
441         final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
442         loop_iterations, strength_reduce, record_biv, record_giv,
443         final_giv_value, check_final_value, check_ext_dependent_givs,
444         combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
445         try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
446         dump_file instead of loop_dump_stream.
447         * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
448         argument dump_file.
449         * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
450         dump argument.
451         * flow.c (life_analysis, rest_of_handle_life): Ditto.
452         * haifa-sched.c: Include output.h
453         (schedule_insns, sched_init): Do not use dump argument.
454         * mode-switching.c (optimize_mode_switching): Ditto.
455         * modulo-sched.c (stats_file): Removed.
456         (print_node_sched_params): Do not call argument dump_file.
457         (sms_schedule_by_order, loop_canon_p, sms_schedule,
458         rest_of_handle_sms): Do not use dump argument.  Use dump_file instead
459         of stats_file.
460         * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
461         use dump argument.
462         * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
463         rtl_loop_init, rtl_loop_done): Ditto.
464         * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
465         * predict.c (combine_predictions_for_bb, tree_estimate_probability):
466         Ditto.
467         * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
468         * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
469         * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
470         rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
471         * emit-rtl.c (renumber_insns): Ditto.
472         * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
473         expand_gimple_basic_block, tree_expand_cfg): Ditto.
474         * regclass.c (regclass): Ditto.
475         * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
476         remove_ssa_form, rewrite_out_of_ssa): Ditto.
477         * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
478         convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
479         Ditto.
480         * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
481         * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
482         to regclass.
483         * gcse.c (gcse_file, debug_stderr): Removed.
484         (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
485         rest_of_handle_gcse): Do not use dump argument.
486         (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
487         one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
488         pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
489         compute_code_hoist_vbeinout, compute_code_hoist_data,
490         one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
491         compute_store_table, build_store_vectors, insert_insn_start_bb,
492         insert_store, remove_reachable_equiv_notes, replace_store_insn,
493         store_motion): Use dump_file instead of gcse_file.
494         * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
495         * profile.c (profile_dump_file): Removed.
496         (branch_prob): Use dump_file instead of profile_dump_file.
497         * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
498         dump_file.
499         * tree-ssa-copy.c (dump_copy_of): Ditto.
500         * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
501         dump file to life_analysis.
502         * bt-load.c (branch_target_load_optimize): Ditto.
503         * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
504         renumber_insns.
505         * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
506         regclass, dbr_schedule): Declaration changed.
507         * sched-int.h (sched_init): Declaration changed.
508         * tree-profile.c (tree_profile_dump_file): Removed.
509         (tree_profile_hooks): Removed profile_dump_file hook.
510         * rtl-profile (rtl_profile_dump_file): Removed.
511         (rtl_profile_hooks): emoved profile_dump_file hook.
512         * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
513         changed.
514         * c-gimplify.c (c_genericize): Do not call local variable dump_file.
515         * tree-cfg.c (build_tree_cfg): Ditto.
516         * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
517         * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
518         Declaration changed.
519         * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
520         life_analysis and schedule_insns.
521         * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
522         life_analysis.
523         * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
524         dbr_schedule.
525         * config/mips/mips.c (mips_reorg): Ditto.
526         * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
527         schedule_ebbs.
528
529 2006-02-06  Aldy Hernandez  <aldyh@redhat.com>
530
531         * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
532         (s390_mangle_fundamental_type): New.
533         * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
534         Define.
535
536         * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
537         (alpha_mangle_fundamental_type): New.
538         * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
539         Define.
540
541         * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
542         Define.
543         * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
544         Define.
545         * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
546         (sparc_mangle_fundamental_type): New.
547
548 2006-02-06  Jakub Jelinek  <jakub@redhat.com>
549
550         * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
551         (s390x-*-linux*): Likewise.
552         * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
553         * config/s390/t-linux: New file.
554
555 2006-02-02  Bernd Schmidt  <bernd.schmidt@analog.com>
556
557         * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
558         sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
559
560 2006-02-06  Daniel Berlin  <dberlin@dberlin.org>
561
562         * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
563         (ANTIC_SAFE_LOADS): New macro.
564         (find_or_generate_expression): Add prototype.
565         (set_contains_value): Allow null set for sake of not always having
566         to allocate ANTIC_SAFE_LOADS.
567         (phi_translate): Move placement of AGGREGATE_TYPE_P check.
568         Allow COMPONENT_REF too.
569         (valid_in_set): Allow COMPONENT_REF.
570         Check ANTIC_SAFE_LOADS too.
571         (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
572         (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
573         rename.
574         (can_PRE_operation): Add COMPONENT_REF.
575         (create_component_ref_by_pieces): New function.
576         (create_expression_by_pieces): Use create_component_ref_by_pieces.
577         (insert_aux): Move AGGREGATE_TYPE_P check here.
578         (compute_avail): Set bb local stmt uids.
579         (pass_pre): Use TODO_update_ssa_only_virtuals.
580         
581 2006-02-06  Ben Elliston  <bje@au.ibm.com>
582
583         * configure.ac: Unconditionally disable decimal float by default.
584         * configure: Regenerate.
585
586 2006-02-06  Ben Elliston  <bje@au.ibm.com>
587
588         * read-rtl.c (read_name): Terminate reading on EOF.
589
590 2006-02-06  Ben Elliston  <bje@au.ibm.com>
591
592         * dfp.c (decimal_real_arithmetic): Change second argument type
593         from int to enum tree_code. Do not always return true, but now
594         return result of any call to decimal_do helper functions.
595         * dfp.h (decimal_real_arithmetic): Update prototype.
596
597 2006-02-05  Eric Botcazou  <ebotcazou@libertysurf.fr>
598
599         * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
600
601 2006-02-05  Andrew Pinski  <pinskia@physics.uc.edu>
602
603         PR tree-opt/25251
604         * tree-cfg.c (cleanup_dead_labels): Also don't remove
605         forced labels.
606
607 2006-02-04  Zdenek Dvorak <dvorakz@suse.cz>
608
609         * tree-vrp.c (cfg_loops): Removed.
610         (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
611         Use current_loops instead of cfg_loops.  Pass flags to
612         loop_optimizer_init.
613         * cfgloopmanip.c (fix_loop_structure): Update only available
614         information.
615         * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
616         loop_optimizer_init.
617         * modulo-sched.c (build_loops_structure): Removed.
618         (sms_schedule): Use loop_optimizer_init.
619         * loop-init.c (loop_optimizer_init): Use flags to determine
620         which properties of loops to prepare.
621         (rtl_loop_init): Pass flags to loop_optimizer_init.
622         * tree-ssa-sink.c (execute_sink_code): Ditto.
623         * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
624         * tree-ssa-pre.c (init_pre): Ditto.
625         * cfgloop.h (LOOPS_NORMAL): New.
626         (loop_optimizer_init): Declaration changed.
627
628 2006-02-05  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
629
630         * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
631         * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
632         pa/t-pa.
633         * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
634         pa/t-pa.
635         * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
636         pa/x-ada.
637         * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
638         * pa/t-pa64: Delete quadlib.c rule.
639         * pa/x-ada: Revert last change.
640         * pa/t-pa: Revert last change.  Delete quadlib.c rule.
641
642 2006-02-04  Zdenek Dvorak <dvorakz@suse.cz>
643
644         PR rtl-optimization/26087
645         * rtlanal.c (canonicalize_condition): Do not cross basic block
646         boundaries.
647
648 2006-02-04  Alexandre Oliva  <aoliva@redhat.com>
649
650         PR debug/24444
651         * config/ia64/ia64.c: Include debug.h.
652         (MAX_ARTIFICIAL_LABEL_BYTES): New.
653         (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
654         (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
655         (process_epilogue, process_set, process_for_unwind_directive):
656         Output unwind info only if requested.  Add CFA info if requested.
657         Add new arguments as needed.  Adjust callers.
658         * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
659         incorrect default.
660         (DWARF2_FRAME_INFO): Define to zero.
661         * config/ia64/unwind-ia64.c: Remove code that compensated for
662         the CFA offset error fixed above.
663         * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
664         * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
665         (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
666         -funwind-tables and -fexceptions to enable frame info.
667         (dwarf2out_frame_init): Define initial CFA even if
668         DWARF2_UNWIND_INFO is disabled.  Call initial_return_save if
669         DWARF2_UNWIND_INFO is nonzero, not just defined.
670         (dwarf2out_frame_finish): Output non-EH call frame info only
671         if DWARF2_FRAME_INFO is nonzero.
672         (convert_cfa_to_loc_list,
673         compute_frame_pointer_to_cfa_displacement): Define even if
674         unwind info is not supported.
675         (gen_subprogram_die): Use the above unconditionally.  Remove
676         legacy alternate code.
677         * toplev.c (compile_file): Compile in call to
678         dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
679         (lang_dependent_init): Ditto for dwarf2out_frame_init.
680
681 2006-02-04  David Edelsohn  <edelsohn@gnu.org>
682             Jakub Jelinek  <jakub@redhat.com>
683
684         * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
685         IBM extended float format long double as "g" on powerpc*-linux.
686
687 2006-02-03  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
688
689         PR target/25926
690         * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
691         * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
692
693 2006-02-03  Jason Merrill  <jason@redhat.com>
694
695         PR c++/25979
696         * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
697
698         PR middle-end/25977
699         * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
700         on the return slot if it's an NRV.
701
702 2006-02-03  Zdenek Dvorak <dvorakz@suse.cz>
703
704         * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
705         (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
706         rewrite_use): Do not handle USE_OUTER.
707         (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
708         add_iv_outer_candidates, may_replace_final_value,
709         determine_use_iv_cost_outer, rewrite_use_outer): Removed.
710         (find_interesting_uses_op): Functionality of
711         find_interesting_uses_outer_or_nonlin moved here.
712         (find_interesting_uses_outside): Use find_interesting_uses_op.
713
714 2006-02-03  Alan Modra  <amodra@bigpond.net.au>
715
716         PR target/25960
717         * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
718
719 2006-02-03  Andreas Krebbel  <krebbel1@de.ibm.com>
720             Ulrich Weigand  <uweigand@de.ibm.com>
721
722         PR target/25864
723         * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
724         "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
725         * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
726         * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr 
727         and dxr fields.
728         (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
729         (s390_rtx_costs): Use the new fields to calculate rtx costs.
730         (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
731         Define secondary reloads for TFmode moves.
732         (constant_modes): Add TFmode.
733         (NR_C_MODES): Set to 8.
734         * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
735         builtin define.
736         (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
737         (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
738         (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS, 
739         CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
740         * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf, 
741         fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
742         (FPR mode macro): Add TFmode.
743         (DSF mode macro): New.
744         (<de>, <dee> mode attributes): Removed.
745         (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
746         ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs", 
747         "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee", 
748         "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3", 
749         "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm", 
750         "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly", 
751         "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
752         "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc", 
753         "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm", 
754         "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
755         "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly", 
756         "*negabs<mode>2", "sqrt<mode>2"):
757         Changed <de> to <xde>. R constraint replaced by <Rf>.
758         ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by 
759         <Rf>.
760         ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
761         ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
762         ("*movtf_64", "*movtf_31"): New insn definitions followed by 5 
763         splitters.
764         ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2", 
765         "extenddftf2", "extendsftf2"): New expanders.
766         ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee", 
767         "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
768         "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
769         * config/s390/s390.opt (mlong-double-128, mlong-double-64):
770         New options.
771         * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
772         * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2, 
773         __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
774         __floatditf): Add a GCC_4.1.0 symbol version tag.
775         * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
776         the new options.
777
778 2006-02-02  Andrew Pinski  <pinskia@physics.uc.edu>
779
780         PR target/25377
781         * config/i386/i386.c (ix86_function_ok_for_sibcall):
782         Use targetm.binds_local_p instead of TREE_PUBLIC.
783
784 2006-02-02  Roger Sayle  <roger@eyesopen.com>
785
786         * tree.h (TYPE_STRING_FLAG): Document that this field may be used
787         on INTEGER_TYPEs to indicate that it denotes a character type.
788         * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
789         signed_char_type_node, unsigned_char_type_node and char_type_node.
790         * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
791         INTEGER_TYPE.  Use TYPE_STRING_FLAG to decide whether to emit
792         a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
793
794 2006-02-02  Zdenek Dvorak <dvorakz@suse.cz>
795             Daniel Berlin  <dberlin@dberlin.org>
796
797         * tree-tailcall.c (arg_needs_copy_p): New function.
798         (eliminate_tail_call): Use arg_needs_copy_p.
799         (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
800         (add_virtual_phis): New function.
801
802 2006-02-02  Jakub Jelinek  <jakub@redhat.com>
803
804         * config/sparc/sparc.c (sparc_output_scratch_registers): Use
805         #ignore instead of #scratch for %g7 .register directive.
806
807 2006-02-02  Andreas Tobler  <a.tobler@schweiz.ch>
808
809         * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
810         object files.
811
812 2006-02-02  Bernd Schmidt  <bernd.schmidt@analog.com>
813
814         * flow.c (calculate_global_regs_live): Assert that there aren't any
815         EDGE_FAKE edges.
816
817 2006-02-02  Paolo Bonzini  <bonzini@gnu.org>
818
819         * tree-flow-inline.h (bsi_after_labels): Rewrite, return
820         what its name says.
821         * lambda-code.c (perfect_nestify): Use bsi_insert_before on
822         bsi_after_labels iterator.
823         * tree-if-conv.c (find_phi_replacement_condition,
824         replace_phi_with_cond_modify_expr): Likewise.
825         * tree-scalar-evolution.c (scev_const_prop): Likewise.
826         * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
827
828 2006-02-02  Diego Novillo  <dnovillo@redhat.com>
829
830         * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
831
832 2006-02-02  Diego Novillo  <dnovillo@redhat.com>
833
834         PR 25990
835         * tree-cfg.c (move_block_to_fn): Clear out the basic block
836         array after growing it.
837
838 2006-02-01  Steve Ellcey  <sje@cup.hp.com>
839
840         PR middle-end/24901
841         * fold-const.c (fold_checksum_tree): Change type of buf.
842
843 2006-02-01  Bernd Schmidt  <bernd.schmidt@analog.com>
844
845         * reload.c (push_secondary_reload): Initialize t_icode.
846
847 2006-02-01  Jakub Jelinek  <jakub@redhat.com>
848
849         * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
850         -msoft-float -mlong-double-128 only issue a warning, but don't
851         swich to DFmode long double.
852
853 2006-02-01  Hans-Peter Nilsson  <hp@axis.com>
854
855         * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
856         has a constant equivalent, iterate over equivalents for arg0,
857         calling simplify_relational_operation and if there's a result
858         cheaper than X, apply fold_rtx and return the result.
859
860 2006-02-01  Jan Hubicka  <jh@suse.cz>
861
862         * opts.c (no_unit_at_a_time_default): New global variable.
863         (decode_options): Use it.
864         * opts.h (no_unit_at_a_time_default): Declare.
865
866 2006-02-01  Paul Brook  <paul@codesourcery.com>
867
868         * function.c (assign_parm_setup_reg): Use function argument promotion
869         rules.
870         * expr.c (expand_expr_real_1): Use function argument promotion rules
871         for PARM_DECLs.
872
873 2006-02-01  Steve Ellcey  <sje@cup.hp.com>
874
875         * gcc.c (process_command): Change j to 'unsigned int'.
876
877 2006-01-31  Andrew Pinski  <pinskia@physics.uc.edu>
878
879         PR middle-end/26001
880         * expr.c (expand_expr_real_1) <case ARRAY_REF>:
881         Use the corrected index for the character
882         out of the string constant.
883
884 2006-01-31  Andrew Pinski  <pinskia@physics.uc.edu>
885
886         * mode-switching.c (optimize_mode_switching): Fix size
887         allocated for bb_info[n_entities].
888
889 2006-01-31  Andrew Pinski  <pinskia@physics.uc.edu>
890
891         * gcc.c (main): Correct type that is allocated for
892         explicit_link_files.
893
894 2006-01-31  Jakub Jelinek  <jakub@redhat.com>
895
896         * config/s390/s390.c (init_alignment_context): Set
897         ALIAS_SET_MEMORY_BARRIER on the MEM.
898         * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
899
900 2006-01-31  Uttam Pawar  <uttamp@us.ibm.com>
901
902         PR middle-end/25933
903         * loop-unroll.c (unroll_loop_runtime_iterations): Free
904         dom_bbs pointer.
905         * tree-ssa-live.c (type_var_init): Allocate bitmap after
906         call to tpa_init.
907
908 2006-01-31  Marcin Dalecki  <martin@dalecki.de>
909
910         * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
911         * regrename.c: Ditto.
912         * tree-ssa-loop-im.c: Ditto.
913         * tree-dump.c: Ditto.
914         * tree-complex.c: Ditto.
915         * genrecog.c: Ditto.
916         * tree-ssa-threadupdate.c: Ditto.
917         * tracer.c: Ditto.
918         * java/class.c: Ditto.
919         * java/jcf-parse.c: Ditto.
920         * java/resource.c: Ditto.
921         * java/except.c: Ditto.
922         * java/jvspec.c: Ditto.
923         * java/jcf-write.c: Ditto.
924         * java/jcf-path.c: Ditto.
925         * java/gjavah.c: Ditto.
926         * java/zextract.c: Ditto.
927         * java/jcf-io.c: Ditto.
928         * java/jcf.h: Ditto.
929         * java/buffer.c: Ditto.
930         * java/lang.c: Ditto.
931         * java/parse-scan.y: Ditto.
932         * java/lex.c: Ditto.
933         * java/lex.h: Ditto.
934         * cfgloopmanip.c: Ditto.
935         * postreload-gcse.c: Ditto.
936         * tree-ssa-loop-manip.c: Ditto.
937         * postreload.c: Ditto.
938         * tree-ssa-loop-ch.c: Ditto.
939         * loop.c: Ditto.
940         * ipa-cp.c: Ditto.
941         * cppspec.c: Ditto.
942         * diagnostic.c: Ditto.
943         * final.c: Ditto.
944         * genoutput.c: Ditto.
945         * gcc.c: Ditto.
946         * cfghooks.c: Ditto.
947         * cfgloopanal.c: Ditto.
948         * objc/objc-act.c: Ditto.
949         * gcov.c: Ditto.
950         * genextract.c: Ditto.
951         * genautomata.c: Ditto.
952         * pretty-print.c: Ditto.
953         * genemit.c: Ditto.
954         * cgraphunit.c: Ditto.
955         * flow.c: Ditto.
956         * df-scan.c: Ditto.
957         * haifa-sched.c: Ditto.
958         * dominance.c: Ditto.
959         * dbxout.c: Ditto.
960         * tree-ssa-loop-ivopts.c: Ditto.
961         * df-core.c: Ditto.
962         * mode-switching.c: Ditto.
963         * modulo-sched.c: Ditto.
964         * graph.c: Ditto.
965         * ipa-pure-const.c: Ditto.
966         * cse.c: Ditto.
967         * fix-header.c: Ditto.
968         * web.c: Ditto.
969         * tree-stdarg.c: Ditto.
970         * ipa-utils.c: Ditto.
971         * loop-init.c: Ditto.
972         * ipa-inline.c: Ditto.
973         * cfganal.c: Ditto.
974         * global.c: Ditto.
975         * alloc-pool.c: Ditto.
976         * dwarf2out.c: Ditto.
977         * opts.c: Ditto.
978         * genattrtab.c: Ditto.
979         * tree-ssa-loop-ivcanon.c: Ditto.
980         * predict.c: Ditto.
981         * timevar.c: Ditto.
982         * lcm.c: Ditto.
983         * fortran/gfortranspec.c: Ditto.
984         * regmove.c: Ditto.
985         * local-alloc.c: Ditto.
986         * langhooks.c: Ditto.
987         * function.c: Ditto.
988         * tree-vectorizer.c: Ditto.
989         * gcse.c: Ditto.
990         * ipa-type-escape.c: Ditto.
991         * alias.c: Ditto.
992         * tree-if-conv.c: Ditto.
993         * profile.c: Ditto.
994         * ipa.c: Ditto.
995         * tree-data-ref.c: Ditto.
996         * loop-unroll.c: Ditto.
997         * treelang/treetree.c: Ditto.
998         * calls.c: Ditto.
999         * bt-load.c: Ditto.
1000         * ggc-common.c: Ditto.
1001         * except.c: Ditto.
1002         * coverage.c: Ditto.
1003         * cselib.c: Ditto.
1004         * tree-cfgcleanup.c: Ditto.
1005         * tree-ssa-pre.c: Ditto.
1006         * cfgcleanup.c: Ditto.
1007         * loop-invariant.c: Ditto.
1008         * loop-iv.c: Ditto.
1009         * ipa-prop.c: Ditto.
1010         * print-tree.c: Ditto.
1011         * conflict.c: Ditto.
1012         * ggc-page.c: Ditto.
1013         * sched-deps.c: Ditto.
1014         * regclass.c: Ditto.
1015         * tree-object-size.c: Ditto.
1016         * combine.c: Ditto.
1017         * bb-reorder.c: Ditto.
1018         * resource.c: Ditto.
1019         * var-tracking.c: Ditto.
1020         * cfgloop.c: Ditto.
1021         * df-problems.c: Ditto.
1022         * reg-stack.c: Ditto.
1023         * tlink.c: Ditto.
1024         * gccspec.c: Ditto.
1025         * sched-rgn.c: Ditto.
1026         * tree-ssa-structalias.c: Ditto.
1027         * tree-ssa-reassoc.c: Ditto.
1028         * config/darwin-c.c: Ditto.
1029         * config/darwin.c: Ditto.
1030         * config/arm/arm.c: Ditto.
1031         * cfgrtl.c: Ditto.
1032         * collect2.c: Ditto.
1033         * reload1.c: Ditto.
1034
1035 2006-01-31  Nicolas Pitre  <nico@cam.org>
1036
1037         * arm.md (smaxsi3): Make aware of smax_m1.
1038         (smax_m1): New.
1039
1040 2006-01-31  Nathan Sidwell  <nathan@codesourcery.com>
1041
1042         * gcc/config/m68k/lb1sf68.asm: Use moveq to load small constants.
1043
1044 2006-01-31  Richard Guenther  <rguenther@suse.de>
1045
1046         * doc/invoke.texi (-msselibm): Document.
1047         * target.h (expand_library_builtin): New target hook.
1048         * builtins.c (expand_builtin): Use expand_library_builtin.
1049         (default_expand_library_builtin): New function.
1050         * gcc.c (LINK_GCC_MATH_SPEC): Define.
1051         (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
1052         (link_gcc_math_spec): Declare.
1053         (static_specs): Add link_gcc_math_spec.
1054         * expr.h (default_expand_library_builtin): Declare.
1055         * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
1056         (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
1057         * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
1058         * config/i386/i386.opt (msselibm): New target option.
1059         * config/i386/i386.c (ix86_builtin_function_variants): New array.
1060         (ix86_init_sse_abi_builtins): New function.
1061         (ix86_expand_library_builtin): Likewise.
1062         (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
1063         (override_options): Handle error conditions wrt -msselibm.
1064         (ix86_builtins): Add function codes for SSE2 ABI builtins.
1065         (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
1066         * doc/extend.texi (__builtin_sse2_*): Document new target specific
1067         builtins.
1068
1069 2006-01-31  Richard Guenther  <rguenther@suse.de>
1070         Paolo Bonzini  <bonzini@gnu.org>
1071
1072         * doc/install.texi (--disable-libgcc-math): Document.
1073
1074 2006-01-30  Marcin Dalecki  <martin@dalecki.de>
1075
1076         * expr.h (expand_normal): new inline function.
1077         * builtins.c: use it, use EXPAND_NORMAL explicitely.
1078         * dojump.c: use it.
1079         * dwarf2out.c: use it.
1080         * expr.c: use it.
1081         * calls.c: use it.
1082         * expmed.c: use it.
1083         * except.c: use it.
1084         * config/sparc/sparc.c: use it.
1085         * config/i386/i386.c: use it.
1086         * config/rs6000/rs6000.c: use it.
1087         * config/arm/arm.c: use it.
1088         * config/mips/mips.c: use it.
1089         * stmt.c: use it, use EXPAND_NORMAL explicitely.
1090
1091 2006-01-30  Roger Sayle  <roger@eyesopen.com>
1092
1093         * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
1094         argv to the appropriate type.
1095
1096 2006-01-30  Zdenek Dvorak <dvorakz@suse.cz>
1097
1098         * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
1099         unreachable code.
1100
1101 2006-01-30  Ulrich Weigand  <uweigand@de.ibm.com>
1102
1103         PR target/26018
1104         * config/s390/s390.c (struct machine_function): New flag
1105         decomposed_literal_pool_addresses_ok_p.
1106         (s390_reorg): Set it before final stage of literal pool transforms.
1107         (s390_decompose_address): Only accept displacements of the form
1108         (minus (label_ref ...) (label_ref ...)) if that flag is set.
1109
1110 2006-01-30  Carlos O'Donell  <carlos@codesourcery.com>
1111
1112         * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
1113         the comparison routine return.
1114
1115 2006-01-30  Michael Matz  <matz@suse.de>
1116
1117         * global.c (find_reg): Only evict for global regs.
1118         Take n_refs into account and dump more info.
1119
1120 2006-01-30  J"orn Rennecke <joern.rennecke@st.com>
1121
1122         PR target/14798:
1123         * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
1124         (pragma_trap, pragma_nosave_low_regs): Likewise.
1125         (current_function_anonymous_args): Likewise.
1126         (sh_deferred_function_attributes): New variable.
1127         (sh_deferred_function_attributes_tail): Likewise.
1128         (print_operand): For '@', look up trap_exit attribute.
1129         (calc_live_regs): Look up trapa_handler attribute.  For trapa
1130         handlers, save/restore fpscr, but don't do any other
1131         interrupt-specific saves.
1132         Don't save r0..r7 if the nosave_low_regs attribute is in effect.
1133         Fix check for partially saved registers to check for SHmedia.
1134         (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
1135         (sh_output_function_epilogue): Don't clear any of the removed
1136         variables.
1137         (sh_insert_attributes): Don't check pragma_interrupt.
1138         Insert deferred attributes.  Check that interrupt attribute is
1139         present for other attributes that require its presence.
1140         (sh_attribute_table): Add new attributes trapa_handler and
1141         nosave_low_regs.
1142         (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
1143         Don't check for pragma_interrupt.  Don't store argument.
1144         * sh.h (pragma_interrupt, sp_switch): Don't declare.
1145         (sh_deferred_function_attributes): Declare.
1146         (sh_deferred_function_attributes_tail): Likewise.
1147         * sh.md (sp_switch_1): Add operand.  Change generator caller.
1148         (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
1149         (*return_i): Don't use when trap_exit attribute is in effect.
1150         (*return_trapa): New insn pattern.
1151         * sh-c.c: New file.
1152         * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
1153         setting c_target_objs and cxx_target_objs.
1154         * t-sh: Add rule for sh-c.o.
1155
1156 2006-01-30  Richard Guenther  <rguenther@suse.de>
1157
1158         PR c++/23372
1159         * gimplify.c (gimplify_target_expr): Handle easy cases
1160         without creating a temporary.
1161
1162 2006-01-30  Nathan Sidwell  <nathan@codesourcery.com>
1163
1164         * vec.h (safe_grow): Remove duplicated line.
1165
1166 2006-01-29  Diego Novillo  <dnovillo@redhat.com>
1167
1168         PR 25874
1169         * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
1170         (expand_omp): ... here.
1171         (expand_omp_parallel): Only remove barriers for combined
1172         parallel+workshare constructs.
1173
1174 2006-01-29  Eric Botcazou  <ebotcazou@adacore.com>
1175
1176         Revert
1177
1178         2005-11-09  Eric Botcazou  <ebotcazou@adacore.com>
1179         * tree.c (build_qualified_type): Chain the new type to the original
1180         type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
1181         a POINTER_TYPE or a REFERENCE_TYPE respectively.
1182         (build_pointer_type_for_mode): Only return unqualified types.
1183         (build_reference_type_for_mode): Likewise.
1184
1185 2006-01-29  Gabriel Dos Reis  <gdr@integgrable-solutions.net>
1186
1187         * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
1188         * Makefile.in (CXX_COMPAT_WARN): Define.
1189         * configure: Regenerate.
1190
1191 2006-01-29  Dorit Nuzman  <dorit@il.ibm.com>
1192
1193         PR tree-opt/25911
1194         * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
1195         to an if check.
1196
1197 2006-01-29  Gabriel Dos Reis  <gdr@integrable-solutions.net>
1198
1199         * toplev.c: Fix thinko.
1200
1201 2006-01-29  Gabriel Dos Reis  <gdr@integrable-solutions.net>
1202             Marcin Dalecki  <martin@dalecki.de>
1203
1204         * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
1205         (push_srcloc): Use XNEW.
1206         (init_asm_output, default_get_pch_validity): Use XNEWVEC.
1207
1208 2006-01-29  Kenneth Zadeck <zadeck@naturalbridge.com>
1209
1210         * df-core.c (df_set_blocks): Deleted all variable.
1211
1212 2006-01-28  Ian Lance Taylor  <ian@airs.com>
1213
1214         * cgraphunit.c (cgraph_assemble_pending_functions): Call
1215         cgraph_output_pending_asms.
1216
1217 2006-01-28  Zack Weinberg  <zackw@panix.com>
1218
1219         * c.opt: Add -W(no-)overlength-strings.
1220         * doc/invoke.texi: Document it.
1221         * c-opts.c (c_common_handle_option): -pedantic implies
1222         -Woverlength-strings, if not explicitly disabled already.
1223         (c_common_post_options): -Woverlength-strings defaults to off, and
1224         is always off for C++.
1225         * c-common.c (fix_string_type): Issue warning about strings longer
1226         than is portable only if warn_overlength_strings.  Rearrange code
1227         a little for clarity.
1228         * configure.in: Check for -Wno-overlength-strings as well before
1229         enabling -pedantic in stage 1.
1230         * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
1231         (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
1232
1233         * genconditions.c (write_header, write_one_condition)
1234         (write_conditions, write_writer): Consolidate very long strings
1235         that were broken up to fit in C89 portable limit.  Don't use
1236         printf when fputs will do.
1237
1238 2006-01-28  Adam Nemet  <anemet@caviumnetworks.com>
1239
1240         * combine.c (simplify_comparison <AND>): Check
1241         TRULY_NOOP_TRUNCATION before start using a subreg.
1242
1243         * config/mips/mips.md (*branch_zero<mode>,
1244         *branch_zero<mode>_inverted, *branch_equality<mode>,
1245         *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
1246         Remove mode check from comparisons.
1247
1248 2006-01-28  Kenneth Zadeck <zadeck@naturalbridge.com>
1249
1250         * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
1251
1252 2006-01-28  Kazu Hirata  <kazu@codesourcery.com>
1253
1254         * expmed.c (const_mult_add_overflow_p): Remove.
1255         * expr.h: Remove the prototype for const_mult_add_overflow_p.
1256
1257         * recog.c (validate_replace_rtx_subexp): Remove.
1258         * recog.h: Remove the prototype for
1259         validate_replace_rtx_subexp.
1260
1261         * integrate.h: Remove the prototype for
1262         copy_decl_for_inlining.
1263         * rtl.h: Remove the prototype for mark_constant_function.
1264         * tree-vectorizer.h: Remove the prototype for
1265         vect_strip_conversion.
1266
1267         * modulo-sched.c (create_partial_schedule,
1268         free_partial_schedule, reset_partial_schedule): Make them
1269         static.
1270
1271         * hooks.c (hook_bool_rtx_int_false): Remove.
1272         * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
1273
1274 2006-01-28  David Edelsohn  <edelsohn@gnu.org>
1275
1276         * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
1277         and -mlong-double-128 are incompatible.
1278         * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
1279         * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
1280         (TARGET_LIBGCC2_CFLAGS): Define.
1281         * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
1282         (TARGET_LIBGCC2_CFLAGS): Same.
1283         * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
1284
1285 2006-01-28  Kazu Hirata  <kazu@codesourcery.com>
1286
1287         PR c/19606.
1288         * c-typeck.c (build_binary_op): Perform implicit casts of
1289         operands before shortening them.
1290
1291         * cfgloopmanip.c (split_loop_bb): Remove.
1292         * cfgloop.h: Remove the prototype for split_loop_bb.
1293
1294         * cfgloop.c (flow_loop_outside_edge_p): Remove.
1295         * cfgloop.h: Remove the prototype for
1296         flow_loop_outside_edge_p.
1297
1298         * emit-rtl.c (init_virtual_regs): Make it static.
1299         * function.h: Remove the prototype for init_virtual_regs.
1300
1301         * recog.c (peephole2_optimize): Make it static.
1302         * recog.h: Remove the prototype for peephole2_optimize.
1303
1304 2006-01-27  H.J. Lu  <hongjiu.lu@intel.com>
1305
1306         * df-scan.c (df_record_entry_block_defs): Check if
1307         INCOMING_RETURN_ADDR_RTX is defined.
1308
1309 2006-01-27  Daniel Berlin  <dberlin@dberlin.org>
1310             Kenneth Zadeck <zadeck@naturalbridge.com>
1311
1312         PR rtl-optimization/24762
1313         * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
1314         * targhooks.c (hook_void_bitmap): New hook prototype.
1315         * targhoohs.h (hook_void_bitmap): Ditto.
1316         * bitmap.h (bitmap_head_def): Moved to coretypes.h.
1317         * coretypes.h (bitmap_head_def): Moved from bitmap.h.
1318         * target.h (live_on_entry): New function pointer.
1319         * df-scan.c (df_all_hard_regs): Removed.
1320         (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
1321         (df_scan_free_internal): Added df->entry_block_defs.
1322         (df_scan_alloc): Ditto.
1323         (df_scan_dump): Ditto.
1324         (df_uses_record): Plumbed flag field properly thru calls.
1325         Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
1326         This part fixes PR24762.
1327         (df_bb_refs_record): Added code to make the frame and arg
1328         pointers live in EH blocks.
1329         (df_refs_record): Added call to df_record_entry_block_defs.
1330         (df_record_entry_block_defs): New function.
1331         * df-core.c: Added comments to describe new artifical defs.
1332         * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
1333         (entry_block_defs): New field in struct df.
1334         (df_all_hard_regs): Deleted.
1335         * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
1336         * df-problems.c (df_ru_bb_local_compute_process_def):
1337         Added code to handle artifical defs in the entry to a function.
1338         (df_ru_bb_local_compute): Ditto.
1339         (df_rd_bb_local_compute_process_def):  Ditto.
1340         (df_rd_bb_local_compute): Ditto.
1341         (df_lr_bb_local_compute): Ditto.
1342         (df_ur_bb_local_compute): Ditto.
1343         (df_urec_bb_local_compute):  Ditto.
1344         (df_chain_create_bb):  Ditto.
1345         (df_ur_local_finalize): Removed entry.
1346         (df_urec_init): Ditto.
1347         (df_urec_local_finalize): Ditto.
1348         (df_ri_bb_compute): Added detection of last use of pseudos.
1349         * Makefile.in (df-scan.o): Updated dependencies.
1350         * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
1351         * config/mips/mips.c (mips_set_live_on_entry): Added.
1352         * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
1353         for target hook.
1354         * dce.c (marked_insn_p): Added code to handle artifical defs.
1355
1356 2006-01-27  H.J. Lu  <hongjiu.lu@intel.com>
1357
1358         * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
1359         intrinsic.
1360         (_mm_cvtsi128_si64): Likewise.
1361         (_mm_cvtsd_si64): Likewise.
1362         (_mm_cvttsd_si64): Likewise.
1363         (_mm_cvtsi64_sd): Likewise.
1364         (_mm_cvtsi64_si128): Likewise.
1365         * config/i386/mmintrin.h (_m_from_int64): Likewise.
1366         (_mm_cvtsi64_m64): Likewise.
1367         (_m_to_int64): Likewise.
1368         (_mm_cvtm64_si64): Likewise.
1369         * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
1370         (_mm_cvttss_si64): Likewise.
1371         (_mm_cvtsi64_ss): Likewise.
1372         (_mm_cvtss_f32): Likewise.
1373
1374 2006-01-27  Carlos O'Donell  <carlos@codesourcery.com>
1375
1376         * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
1377         for pragma redefine_extname.
1378
1379 2006-01-27  Jakub Jelinek  <jakub@redhat.com>
1380
1381         PR target/25864
1382         * libgcc-std.ver: Add GCC_4.1.0 symbol version.
1383         * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
1384         -mno-minimal-toc to previous content.
1385         (bispecs): Remove goal.
1386         * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
1387         * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
1388         compatibility aliases on powerpc-*-*gnu*.
1389         * config/rs6000/libgcc-ppc-glibc.ver: New file.
1390         * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
1391         libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
1392         (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
1393         (ldblspecs): New goal.
1394         * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
1395         * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
1396         _df_to_tf.
1397         * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
1398         L_sf_to_tf or L_df_to_tf is defined.
1399
1400 2006-01-27  David Edelsohn  <edelsohn@gnu.org>
1401             Alan Modra  <amodra@bigpond.net.au>
1402
1403         PR target/25864
1404         * config/rs6000/linux.h (POWERPC_LINUX): Define.
1405         * config/rs6000/linux64.h (POWERPC_LINUX): Define.
1406         * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
1407         * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
1408         * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
1409         * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
1410         (rs6000_override_options): Initialize rs6000_ieeequad.
1411         Initialize TFmode format to ibm_extended_format if not
1412         TARGET_IEEEQUAD.
1413         (rs6000_handle_option): Accept -mabi= ibmlongdouble and
1414         ieeelongdouble.
1415         (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
1416         (rs6000_return_in_memory): Only return IEEEQUAD in memory.
1417         (function_arg_advance): IBM long double passed in two FPRs, not
1418         split.
1419         (function_arg): IBM long double passed in FPRs.
1420         (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
1421         (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
1422         Only multireg GPR aligned.
1423         (rs6000_init_libfuncs): Enable IBM long double functions if not
1424         IEEEQUAD.
1425         (rs6000_generate_compare): Use IBM long double compare if not
1426         TARGET_IEEEQUAD.
1427         * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
1428         (TARGET_IEEEQUAD): Define.
1429         (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
1430         not TARGET_IEEEQUAD.
1431         * config/rs6000/rs6000.md: Enable TFmode patterns if
1432         !TARGET_IEEEQUAD.
1433         * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
1434         * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
1435         and -mlong-double-128 are incompatible.
1436         * doc/invoke.texi (-mabi): Collect options together.  Add
1437         ibmlongdouble and ieeelongdouble.
1438
1439 2006-01-27  Richard Sandiford  <richard@codesourcery.com>
1440
1441         * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
1442         opaque type.
1443         * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
1444         * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
1445         (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
1446         * rtl.h (rtunion_def): Remove rt_ptr.
1447         (X0PTR): Delete.
1448         (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
1449         (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
1450         * config/i386/winnt.c (i386_pe_mark_dllexport)
1451         (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
1452
1453 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
1454
1455         * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
1456
1457 2006-01-26 Alexandre Oliva  <aoliva@redhat.com>
1458
1459         PR other/24829
1460         PR target/24831
1461         * gthr-dce.h: Do not gthrw-ify pthread_once_init,
1462         pthread_key_delete.  From John David Anglin.  gthrw-ify
1463         pthread_getunique_np only if it it's not a macro.  Delete
1464         UNUSED macro.
1465         (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
1466         __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
1467         __gthread_objc_condition_signal, __gthread_key_delete): Add
1468         "__attribute__ ((__unused__))" to unused arguments.
1469         (__gthread_recursive_mutex_init_function): Add missing return.
1470         * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
1471         gthr-posix95.h: Use macro-based approach for name redirection
1472         on targets missing weakref.
1473
1474 2006-01-26  Zack Weinberg  <zackw@panix.com>
1475
1476         * genconditions.c (write_header): In generated code, #ifdef out
1477         all includes and fake declarations, except includes of bconfig.h
1478         and system.h, unless GCC_VERSION >= 3001.  Do not include
1479         gensupport.h in any case.
1480         (write_conditions): Generate a definition of struct c_test.  Add
1481         a comment to the generated #endif.
1482         (write_one_condition): Escape backslashes in string too.
1483         (write_writer): Generated code must escape backslashes and quote
1484         marks (but not newlines) in the strings it writes.
1485         * Makefile.in (build/gencondmd.o): Update dependencies.
1486
1487 2006-01-26  Steve Ellcey  <sje@cup.hp.com>
1488
1489         PR target/25961
1490         * Makefile.in (insn-automata.o): Add header file dependencies.
1491         * genautomata.c: Add includes.
1492
1493 2006-01-26  Steve Ellcey  <sje@cup.hp.com>
1494
1495         PR target/25961
1496         * Makefile.in (insn-automata.o): Add -Wno-error flag.
1497
1498 2006-01-26  Paolo Bonzini  <bonzini@gnu.org>
1499
1500         * configure.ac: Expect target tools paths to be passed from the toplevel
1501         and wrap the detection into AS_SET_VAR_IF.  Extract side-effects out of
1502         AS_SET_VAR_IF.
1503         * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
1504
1505 2006-01-26  Alexandre Oliva  <aoliva@redhat.com>
1506
1507         PR c/25892
1508         * c.opt (Wpointer-sign): Init to -1.
1509         * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
1510         OPT_pedantic, to 0 otherwise.
1511         * doc/invoke.texi: Update.
1512
1513 2006-01-26  Paolo Bonzini  <bonzini@gnu.org>
1514
1515         * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
1516         constants provided by 80387 instructions in the destination mode.
1517
1518 2006-01-26  Richard Guenther  <rguenther@suse.de>
1519             Andrew Pinski  <pinskia@physics.uc.edu>
1520
1521         PR tree-opt/21470
1522         partial PR tree-opt/17064
1523         * tree-ssa-structalias.c (intra_create_variable_infos):
1524         Create heap variables for incoming parameters if
1525         flag_argument_noalias > 1.
1526         (find_what_p_points_to): Look through default defs of
1527         parameter decls.
1528
1529 2006-01-26  Jeff Law  <law@redhat.com>
1530
1531         PR ada/25900
1532         * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
1533         with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
1534         within the VR_RANGE, use the VR_RANGE as the result, not the
1535         VR_ANTI_RANGE.
1536         (adjust_range_with_scev): Reject ranges from SCEV which are out of
1537         bounds for the type.
1538
1539 2006-01-26  Daniel Berlin  <dberlin@dberlin.org>
1540
1541         * tree-ssa-alias.c (maybe_create_global_var): Change
1542         subvar walking to an assertion that we don't have subvar'd variables.
1543
1544 2006-01-26  Andrew Pinski  <pinskia@physics.uc.edu>
1545
1546         PR C/25861
1547         * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
1548         Use a new variable, inner.  PARM_DECLs are always non-weak.
1549
1550 2006-01-26  Shantonu Sen  <ssen@opendarwin.org>
1551
1552         * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
1553         --disable-checking.
1554
1555 2006-01-26  Adam Nemet  <anemet@caviumnetworks.com>
1556
1557         * config/mips/mips.md (*clear_upper32): New combiner pattern.
1558
1559 2006-01-26  Richard Earnshaw  <richard.earnshaw@arm.com>
1560
1561         * arm.md (smaxsi3, sminsi3): Convert to define_expand.
1562         (smax_insn, smin_insn, smax_0, smin_0): New.
1563
1564 2006-01-26  Hans-Peter Nilsson  <hp@axis.com>
1565
1566         PR target/25947
1567         * config/cris/cris.c (cris_order_for_addsi3): New function.
1568         * config/cris/cris-protos.h: Prototype it.
1569         * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
1570         (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
1571         (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
1572         (split for "op.S1 [rx=rx+i],ry (swapped)")
1573         (split for "op(s|u).S1 [rx=rx+i],ry")
1574         (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
1575         Apply cris_order_for_addsi3 when generating addsi3 insns.
1576
1577 2006-01-25  Diego Novillo  <dnovillo@redhat.com>
1578
1579         * tree.h (TREE_RANGE_CHECK): Fix range predicate.
1580         (TREE_BLOCK): Add call to EXPR_CHECK.
1581
1582 2006-01-25  Diego Novillo  <dnovillo@redhat.com>
1583
1584         PR 25886
1585         * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
1586         * tree-pretty-print.c (dump_omp_clause): Extract from ...
1587         (dump_omp_clauses): ... here.
1588         (dump_generic_node): Handle OMP_CLAUSE.
1589         * tree.c (omp_clause_num_ops): New.
1590         (omp_clause_code_name): New.
1591         (tree_code_size): Handle OMP_CLAUSE.
1592         (tree_size): Likewise.
1593         (make_node): Document handling of OMP_CLAUSE.
1594         (tree_node_structure): Handle OMP_CLAUSE.
1595         (omp_clause_check_failed): New.
1596         (omp_clause_range_check_failed): New.
1597         (omp_clause_operand_check_failed): New.
1598         (build_omp_clause): New.
1599         (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
1600         * tree.h (enum omp_clause_code): Declare.
1601         (OMP_CLAUSE_SUBCODE_CHECK): Define.
1602         (OMP_CLAUSE_RANGE_CHECK): Define.
1603         (OMP_CLAUSE_ELT_CHECK): Define.
1604         (omp_clause_check_failed): Declare.
1605         (omp_clause_operand_check_failed): Declare.
1606         (omp_clause_range_check_failed): Declare.
1607         (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
1608         (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
1609         (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
1610         (OMP_CLAUSE_LASTPRIVATE): Likewise.
1611         (OMP_CLAUSE_IF_EXPR): Likewise.
1612         (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
1613         (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
1614         (OMP_CLAUSE_REDUCTION_CODE): Likewise.
1615         (OMP_CLAUSE_REDUCTION_INIT): Likewise.
1616         (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
1617         (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
1618         Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
1619         (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
1620         (OMP_CLAUSE_DEFAULT_KIND): Likewise.
1621         (OMP_CLAUSE_CODE): Define.
1622         (OMP_CLAUSE_SET_CODE): Define.
1623         (OMP_CLAUSE_CODE): Define.
1624         (OMP_CLAUSE_OPERAND): Define.
1625         (struct tree_omp_clause): Declare.
1626         (union tree_node): Add field 'omp_clause'.
1627         * treestruct.def (TS_OMP_CLAUSE): Define.
1628         * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
1629         OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
1630         OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
1631         OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
1632         OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
1633         OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
1634         (OMP_CLAUSE): Define.
1635         * print-tree.c (print_node): Handle OMP_CLAUSE.
1636         * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
1637         * c-typeck.c: Likewise.
1638         * gimplify.c: Likewise.
1639         * c-omp.c: Likewise.
1640         * tree-nested.c: Likewise.
1641         * tree-inline.c: Likewise.
1642         * c-parser.c: Likewise.
1643         * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
1644         clauses.
1645
1646 2006-01-25  Roger Sayle  <roger@eyesopen.com>
1647
1648         PR rtl-optimization/25703
1649         * combine.c (try_combine): Handle zero_extract and strict_low_part
1650         of non-lowpart SUBREGs for constant reg_subword_p set optimization.
1651
1652 2006-01-25  Peter Bergner  <bergner@vnet.ibm.com>
1653
1654         * global.c: Fix comment typos.
1655
1656 2006-01-25  Andrew Pinski  <pinskia@physics.uc.edu>
1657
1658         PR target/25758
1659         * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
1660         Use output_addr_const instead of assemble_name.
1661
1662 2006-01-25  Paolo Bonzini  <bonzini@gnu.org>
1663
1664         * Makefile.in (sched-vis.o): Update dependencies.
1665         * haifa-sched.c (sched_finish): Clear current_sched_info.
1666         * cfg.c (dump_bb_info): New, split from dump_flow_info.
1667         (dump_flow_info): Call it.
1668         * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
1669         a slim RTL dump.
1670         * basic-block.h (dump_bb_info): Declare.
1671         * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
1672         option, and apply options only for dump files whose TDF_RTL,
1673         TDF_TREE, or TDF_IPA bits match.
1674         * rtl.h: Declare new functions exported from sched-vis.c.
1675         * sched-vis.c: Enable also if scheduling is not used.
1676         (print_value): Print the mode of registers if not inside scheduling.
1677         (print_insn): Make it work outside the scheduler.  Beautify the output
1678         a bit.
1679         (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
1680
1681 2006-01-25  Richard Sandiford  <richard@codesourcery.com>
1682
1683         * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
1684         * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
1685         a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
1686         depending on the value of CONSTANT_POOL_ADDRESS_P.
1687         * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
1688         SYMBOL_REF_DECL.
1689         * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
1690         rather than SYMBOL_REF_DECL.
1691         (rtx_constant_pool): Remove const_rtx_sym_htab.
1692         (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
1693         (init_varasm_status): Don't initialize const_rtx_sym_htab.
1694         (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
1695         Remove handling of const_rtx_sym_htab.
1696         (find_pool_constant): Delete.
1697         (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
1698         rather than find_pool_constant.
1699         (get_pool_constant_for_function): Delete.
1700         (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
1701         find_pool_constant.
1702         * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
1703         (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
1704         (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
1705         (SYMBOL_REF_CONSTANT): New macro.
1706         (get_pool_constant_for_function): Delete.
1707         * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
1708         rather than SYMBOL_REF_DECL.
1709         (i386_pe_mark_dllimport): Likewise.
1710         * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
1711         rather than SYMBOL_REF_DECL.
1712         * config/darwin.c (machopic_indirect_data_reference): Likewise.
1713         (machopic_indirect_call_target): Likewise.
1714
1715 2006-01-25  Eric Botcazou  <ebotcazou@adacore.com>
1716
1717         * flow.c (delete_noop_moves): Add missing EOL to dump message.
1718
1719 2006-01-25  Richard Sandiford  <richard@codesourcery.com>
1720
1721         * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
1722
1723 2006-01-25  Kaz Kojima  <kkojima@gcc.gnu.org>
1724
1725         * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
1726
1727 2006-01-24  David Daney  <ddaney@avtrex.com>
1728
1729         PR java/25816
1730         * configure.ac (enable_tls): New enable option.
1731         (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
1732         * configure: Regenerate.
1733         * doc/install.texi (--enable-tls): Document new option.
1734         (--disable-tls): Ditto.
1735
1736 2006-01-24  Richard Henderson  <rth@redehat.com>
1737
1738         * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
1739         * alias.c (true_dependence): Respect it.
1740         (canon_true_dependence, write_dependence_p): Likewise.
1741         * builtins.c (get_builtin_sync_mem): Set it.
1742
1743 2006-01-25  Zdenek Dvorak <dvorakz@suse.cz>
1744
1745         * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
1746         efficient way.
1747
1748 2006-01-24  DJ Delorie  <dj@redhat.com>
1749
1750         * expmed.c (store_bit_field): Don't arbitrarily deny using insv
1751         for storing constants in single-bit bitfields.
1752
1753 2006-01-25  Ben Elliston  <bje@au.ibm.com>
1754
1755         * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
1756
1757 2006-01-24  Andrew Pinski  <pinskia@physics.uc.edu>
1758
1759         PR tree-opt/25860
1760         * tree-ssa-pre.c (phi_translate): Return NULL
1761         for AGGREGATE_TYPE's.
1762
1763 2006-01-24  Zack Weinberg  <zackw@panix.com>
1764
1765         * genautomata.c (process_state_for_insn_equiv_partition):
1766         Use xcalloc for insn_arcs_array.
1767         * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
1768         (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
1769
1770 2006-01-24  Richard Henderson  <rth@redhat.com>
1771
1772         * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
1773         update all callers.
1774
1775 2006-01-23  Paolo Bonzini  <bonzini@gnu.org>
1776
1777         PR rtl-optimization/25890
1778         PR rtl-optimization/25905
1779         * combine.c (expand_compound_operation, expand_field_assignment):
1780         Fail if the bitfield's final position is out of bounds.
1781
1782 2006-01-24  Ian Lance Taylor  <ian@airs.com>
1783
1784         PR middle-end/25930
1785         * cgraphunit.c (cgraph_output_in_order): Don't clear
1786         cgraph_asm_nodes until after asm strings have been output.
1787
1788 2006-01-23  Adam Nemet  <anemet@caviumnetworks.com>
1789
1790         * fix-header.c (read_scan_file): Add new parameter imultilib when
1791         calling register_include_chains.
1792
1793 2006-01-23  Diego Novillo  <dnovillo@redhat.com>
1794
1795         * omp-low.c: Update documentation.
1796
1797 2006-01-23  Andrew Pinski  <pinskia@physics.uc.edu>
1798             Daniel Berlin  <dberlin@dberlin.org>
1799
1800         PR tree-opt/25315
1801         PR tree-opt/25857
1802         * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
1803         return from the function.
1804
1805 2006-01-22  Zack Weinberg  <zackw@panix.com>
1806
1807         * rtl.def (match_code): Add second argument.
1808         * genpreds.c (write_extract_subexp): New function.
1809         (write_match_code): Add path argument.  Use write_extract_subexp.
1810         (write_predicate_expr): Pass path to write_match_code.
1811         (mark_mode_tests): MATCH_CODE applied to a subexpression does
1812         not perform a mode test.
1813         * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
1814         a subexpression does not constrain the top-level code set.
1815         * read-rtl.c (read_rtx_variadic): New function.
1816         (read_rtx_1): Use it; allow AND and IOR to be variadic.
1817         * doc/md.texi: Document new notation.
1818         * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
1819         (cmpsi_operand): ... here, using new notation.
1820
1821 2006-01-22  Zack Weinberg  <zackw@panix.com>
1822
1823         * varray.c: Remove GENERATOR_FILE #ifdefs.
1824
1825 2006-01-22  Zack Weinberg  <zackw@panix.com>
1826
1827         * genautomata.c (output_reserved_units_table): Emit nothing if
1828         description->query_units_num is zero.  Remove extra blank line.
1829         (output_cpu_unit_reservation_p): Short circuit
1830         if description->query_units_num is zero.
1831
1832 2006-01-22  Zack Weinberg  <zackw@panix.com>
1833
1834         * genattrtab.c: Don't include genattrtab.h.  Define ATTR_NONE
1835         and ATTR_SPECIAL (from genattrtab.h).  Don't define num_dfa_decls
1836         nor any of the random handful of variables that used to be necessary
1837         when this program was linked with rtlanal.o.  Prune set of forward
1838         function declarations.
1839         (struct attr_desc): Remove static_p field.
1840         (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
1841         (check_attr_test, make_internal_attr, make_numeric_value): Make static.
1842         (attr_string): Do not read the character one past the length of
1843         the string.
1844         (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
1845         (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
1846         (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
1847         (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
1848         (make_automaton_attrs): New.
1849         (main): Do not call into genautomata.  Call local gen_bypass
1850         and gen_insn_reserv as appropriate.  Call make_automaton_attrs.
1851         Remove special case for insn_alts.
1852         * genautomata.c: Include gensupport.h; not genattrtab.h nor
1853         varray.h (leftover from previous change).  Prune set of forward
1854         function declarations.  Remove state_alts fields from all
1855         structures.  Remove state_alts_table from struct automaton.
1856         Make everything except main static.  Do not maintain num_dfa_decls.
1857         Do not maintain state_alts fields of various structures.
1858         (process_decls): Don't validate condexp for dm_insn_reserv decls.
1859         (add_arc): Remove state_alts argument.  All callers updated.
1860         (output_reserved_units_table): Emit #ifdef here...
1861         (output_tables): ...not here.  Don't generate state_alts tables.
1862         (expand_automata): Don't generate attributes.
1863         (write_automata): Don't generate state_alts functions.
1864         (main): New function.
1865         (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
1866         (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
1867         (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
1868         (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
1869         (BYPASS_P_FUNC_NAME, output_state_alts_table)
1870         (output_automata_list_state_alts_code, output_internal_state_alts_func)
1871         (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
1872         (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
1873         Delete.
1874         * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
1875         * genattrtab.h: Delete file.
1876         * Makefile.in (OBJS-common): Add insn-automata.o.
1877         (insn-automata.o): New rule.
1878         (simple_generated_c): Add insn-automata.c.
1879         (build/genattrtab.o, build/genautomata.o): Update dependencies.
1880         (genprogmd): Add automata.
1881         (build/genattrtab): Needs no extra objects nor libraries.
1882         (build/genautomata): Needs build/vec.o and -lm.
1883
1884 2006-01-22  Zack Weinberg  <zackw@panix.com>
1885
1886         * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
1887         (output_dfa_max_issue_rate, locked_states_num): Delete.
1888         (struct automaton): Add locked_states field.
1889         (output_dead_lock_vect): Save number of locked states in
1890         automaton->locked_states.  If it is zero, don't print anything.
1891         (output_max_insn_queue_index_def): Define max_insn_queue_index const.
1892         (output_internal_dead_lock_func): Only test the dead_lock_vect
1893         for automata that have locked states.
1894         (output_statistics): Always print the number of locked states for
1895         each automaton.  Calculate total number of locked states here.
1896         (write_automata): Don't call output_dfa_max_issue_rate.
1897         * genattrtab.c: Define length_unit_log as a const variable.
1898         * genattr.c: Don't emit MAX_DFA_ISSUE_RATE.  Declare
1899         max_insn_queue_index const.
1900         * final.c (length_unit_log): Declare const.
1901         * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
1902
1903 2006-01-22  Zack Weinberg  <zackw@panix.com>
1904
1905         * genautomata.c:  Include vec.h, not varray.h.
1906         Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
1907         VLA_HWINT_ macros.  Change vla_hwint_t to a typedef for
1908         VEC(vect_el_t,heap) *.  Convert all uses of VLA_* macros to
1909         VEC_* macros operating on appropriately typed vectors, or to
1910         malloced arrays when the size is known in advance.  Const-ify
1911         many char* variables and function arguments.  No functional changes.
1912         * Makefile.in (build/varray.o): Delete rule.
1913         (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
1914         (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
1915
1916 2006-01-22  Zack Weinberg  <zackw@panix.com>
1917
1918         * gensupport.c: Define get_insn_name and record_insn_name here.
1919         (read_md_rtx): Call record_insn_name as appropriate.
1920         * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
1921         * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
1922         * genpreds.c, genrecog.c: Don't define get_insn_name nor
1923         record_insn_name.
1924         * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
1925         (BUILD_VARRAY): Delete.
1926         (genprognormal): Rename genprogmd.  Fold in all programs from
1927         genprognoprint; also attrtab.
1928         (build/genattrtab): Just mention genautomata.o and varray.o.
1929         Reorganize a bit, add comments to make the categories clearer.
1930
1931 2006-01-22  Zack Weinberg  <zackw@panix.com>
1932
1933         * genconditions.c (condition_table, add_condition): Delete.
1934         (write_conditions): Don't emit n_insn_conditions nor
1935         insn_elision_unavailable.  Issue the gcc version #ifdef here,
1936         inside the table, with no #else clause ...
1937         (write_header): ...not here.
1938         (write_writer): New function.
1939         (main): Don't initialize condition_table.  Use add_c_test.
1940         Call write_writer.
1941         * gensupport.c (init_md_reader_args_cb): Handle multiple input
1942         files on the command line.
1943         (maybe_eval_c_test): Don't check insn_elision_unavailable.
1944         Return -1 if there is no entry in the table, don't abort.
1945         (add_c_test, traverse_c_tests): New functions.
1946         * gensupport.h (insn_elision_unavailable, insn_conditions)
1947         (n_insn_conditions): Delete declarations.
1948         (add_c_test, traverse_c_tests): Declare.
1949         * read-rtl.c: Include gensupport.h.
1950         (read_conditions): New function.
1951         (read_rtx): If read_rtx_1 returns 0, treat as EOF.
1952         (read_rtx_1): If we get EOF when we were looking for an initial
1953         open paren, return 0.  Call read_conditions when appropriate.
1954         * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
1955         dummy-conditions.o.  Eliminate references to insn-conditions.o,
1956         or change them to build/gencondmd.o, as appropriate.  Remove
1957         insn-constants.h from $(simple_generated_h) and insn-conditions.c
1958         from $(simple_generated_c).  For all files remaining in those
1959         two lists, add insn-conditions.md to the generator command line.
1960         Give insn-constants.h/s-constants their own rules.  Add rules
1961         for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
1962         (build/read-rtl.o): Depend on gensupport.h.
1963         (genprognormal): Include preds.
1964         (genprogearly): Rename genprognoprint; only difference is now that
1965         they don't link with $(BUILD_PRINT).
1966         * dummy-conditions.c: Delete.
1967
1968 2006-01-22  Zack Weinberg  <zackw@panix.com>
1969
1970         * genextract.c: Don't include insn-config.h.  Do include vec.h.
1971         Declare vectors of int, char, and locstr.
1972         (locstr): New typedef.
1973         (struct extraction): Make all array fields into bare pointers.
1974         (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
1975         (insn_code_number): Delete.
1976         (accum_extract): New struct.
1977         (VEC_safe_set_locstr, VEC_char_to_string): New functions.
1978         (gen_insn): Take insn_code_number as an argument.  Use an
1979         accum_extract structure instead of loading data directly into
1980         a struct extraction, and having to know how big it might get.
1981         (walk_rtx): Operate entirely on an accum_extract structure.
1982         (print_path): Avoid unnecessary use of printf.
1983         (print_header): New function, split out of main.  Distinguish
1984         more carefully between an unrecognizable insn and an insn that
1985         has the code number of a define_expand.
1986         (main): Pass insn_code_number to gen_insn.  Call print_header
1987         only after parsing.  Avoid unnecessary use of printf.
1988         * Makefile.in (build/vec.o): New rule.
1989         (build/genextract): Depend on build/vec.o.
1990         (build/genextract.o): Don't depend on insn-config.h.
1991
1992 2006-01-22  Zack Weinberg  <zackw@panix.com>
1993
1994         * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
1995         $(RUN_GEN).  Use pattern rules to factor out as much boilerplate as
1996         practical.  Eliminate per-generator-program link rules.
1997
1998 2006-01-23  Andrew Pinski  <pinskia@physics.uc.edu>
1999
2000         PR middle-end/24437
2001         * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
2002         with a call expr to ...
2003         * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
2004
2005 2006-01-23  Richard Guenther  <rguenther@suse.de>
2006
2007         * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
2008         before make_edge with conditional EDGE_TRUE_VALUE.
2009
2010 2006-01-23  Steven Bosscher  <stevenb.gcc@gmail.com>
2011         Jan Hubicka  <jh@suse.cz>
2012         Richard Guenther  <rguenther@suse.de>
2013
2014         PR rtl-optimization/25654
2015         * cfgexpand.c (aggregate_contains_union_type): New function.
2016         (add_alias_set_conflicts): Call it.  Make sure to add conflicts
2017         for structure variables that contain a union type.
2018
2019 2006-01-23  Richard Sandiford  <richard@codesourcery.com>
2020
2021         * gengtype.c (new_structure): Return the structure.
2022         (create_option): Add an extra "next" argument.
2023         (create_field): New function.
2024         (adjust_field_rtx_def): Use create_option and create_field.
2025         Remove a now-unnecessary call to find_structure.
2026         (adjust_field_tree_def): Likewise.
2027         (note_yacc_type): Remove an unnecessary call to find_structure.
2028         * gengtype.h (new_structure): Return the structure.
2029         (create_option): Add an extra argument.
2030         * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
2031         (option): Adjust calls to create_option.
2032
2033 2006-01-22  David Edelsohn  <edelsohn@gnu.org>
2034
2035         * config/rs6000/aix.h (STACK_BOUNDARY): Define.
2036
2037 2006-01-22  Paul Brook  <paul@codesourcery.com>
2038         Peter Barada  <peter@the-baradas.com>
2039
2040         * config/m68k/m68k.md: Add Coldfire FPU support.
2041         Define FP mode macro and associated attributes.
2042         Use it for float mode patterns.
2043         * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
2044         (LIBCALL_VALUE): Use m68k_libcall_value.
2045         * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
2046         (m68k_function_value): Ditto.
2047         (emit_move_sequence): Ditto.
2048         * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
2049         * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
2050         * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
2051         (MULTILIB_EXCEPTIONS): Ditto.
2052         * config/m68k/m68k.opt: Add mcfv4e.
2053         * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
2054         (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
2055         (m68k_output_function_prologue): Save ColdFire FPU registers.
2056         (m68k_output_function_epilogue): Restore ColdFire FPU registers.
2057         (force_mode, fp_reg_operand, emit_move_sequence): New functions.
2058         (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
2059         ColdFire FPU registers.
2060         (m68k_libcall_value, m68k_function_value): New functions.
2061         * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
2062         (LIBCALL_VALUE): Use m68k_libcall_value.
2063         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
2064         (MASK_COLDFIRE): Add MASK_CFV4E.
2065         (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
2066         (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
2067         (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
2068         (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
2069         (GO_IF_LEGITIMATE_ADDRESS): Use it.
2070         (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
2071         * doc/invoke.tex: Document -mcfv4e on m68k.
2072
2073 2006-01-22  Ranjit Mathew  <rmathew@gcc.gnu.org>
2074
2075         * doc/contribute.texi: Change CVS to SVN and update the corresponding
2076         URL.
2077
2078 2006-01-21  Gabriel Dos Reis  <gdr@integrable-solutions.net>
2079
2080         PR c++/16190
2081         * c-opts.c (c_common_handle_option): Don't include
2082         -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
2083         * doc/invoke.texi (C++ Dialect Options): Document that
2084         -Wnon-virtual-dtor is no longer included in -Wall.
2085
2086 2006-01-21  Joseph S. Myers  <joseph@codesourcery.com>
2087
2088         * gcov.c (print_version), gcov-dump.c (print_version),
2089         mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
2090         dates.
2091
2092 2006-01-21  Kenneth Zadeck <zadeck@naturalbridge.com>
2093
2094         * df-scan.c (problem_SCAN): Added NULL reset function.
2095         (df_scan_reset_blocks): Added code to call reset block function
2096         (df_bb_refs_delete) Fixed comment.
2097         (df_insn_refs_delete): Made tolerant of deleting non existent info
2098         for dataflow problems that need to be reset.
2099         * df-core.c (df_set_blocks): Ditto.
2100         * df.h (struct df_problem): Added reset_fun.
2101         * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
2102         problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
2103         (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
2104         functions to clear out all references to def-use or use-def chains.
2105
2106 2006-01-21  Ben Elliston  <bje@au.ibm.com>
2107
2108         * varasm.c (assemble_real): Initialise data array.
2109
2110 2006-01-20  Paul Brook  <paul@codesourcery.com>
2111
2112         Merge from csl-arm-branch.
2113         2005-09-21  Kazu Hirata  <kazu@codesourcery.com>
2114         * config/arm/arm.md (movdi): Force operands[1] to a register
2115         if we have a non-register source.
2116         (*arm_movdi, *movdf_soft_insn): Require that one of the
2117         operands be a register.
2118         * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
2119         * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
2120
2121 2006-01-20  DJ Delorie  <dj@redhat.com>
2122
2123         * varasm.c (initialize_constant_valid_p): Allow pointers
2124         initialized from integer constants of lesser precision.
2125         (output_constant): Allow non-int-sized pointer modes to be
2126         initialized from integer constants.
2127
2128 2006-01-20  Joseph S. Myers  <joseph@codesourcery.com>
2129
2130         PR libstdc++/25524
2131         * cppdefault.h (struct default_include): Add multilib flag.
2132         * cppdefault.c (cpp_include_defaults): Set it.
2133         * c.opt (-imultilib): New option.
2134         * c-opts.c (imultilib): New.
2135         (c_common_handle_option): Handle -imultilib.
2136         (c_common_post_options): Likewise.
2137         * c-incpath.c (add_standard_paths, register_include_chains):
2138         Likewise.
2139         * c-incpath.h (register_include_chains): Add extra parameter.
2140         * gcc.c (do_spec_1): Generate -imultilib option.
2141         (The Specs Language): Update %I description.
2142         (process_command): Update copyright notice.
2143         * doc/cppopts.texi (-imultilib): Document.
2144         * doc/invoke.texi (-imultilib): Include in option summary.
2145         (%I): Update specs documentation.
2146
2147 2006-01-20  Zdenek Dvorak <dvorakz@suse.cz>
2148
2149         * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
2150
2151 2006-01-20  Richard Sandiford  <richard@codesourcery.com>
2152
2153         * stmt.c (case_bit_test_cmp): Stabilize the sort using code
2154         label numbers.
2155
2156 2006-01-20  Richard Guenther  <rguenther@suse.de>
2157         Steven Bosscher <stevenb.gcc@gmail.com>
2158
2159         PR rtl-optimization/24626
2160         * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
2161         EDGE_TRUE_VALUE if in RTL mode.
2162
2163         Revert
2164         2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
2165         * cfgrtl.c (rtl_verify_flow_info_1): Fix.
2166
2167 2006-01-20  Dirk Mueller  <dmueller@suse.com>
2168
2169         PR c++/5520
2170         * c-parser.c (c_parser_if_body): Use build_empty_stmt()
2171         instead of a special NOP marker.
2172         * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
2173         NOP marker handling.
2174         * c-common.h (empty_body_warning): Add forward declaration.
2175         * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
2176         Now uses IS_EMPTY_STMT() instead of special NOP markers.
2177
2178 2006-01-20  Paul Brook  <paul@codesourcery.com>
2179
2180         * Makefile.in (lang_checks): Keep going if mkdir fails.
2181
2182 2006-01-19  Kenneth Zadeck <zadeck@naturalbridge.com>
2183
2184         * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
2185         be able to clean out basic block when not necessary.
2186         (df_scan_free): Fixed to properly delete information if df is
2187         unused before calling df_finish.
2188         (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
2189         df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
2190         or comment typos.
2191         (df_bb_refs_delete): New function.
2192         (df_refs_delete): Moved per block code to df_bb_refs_delete.
2193         * df-core.c (df_set_blocks): Added code to properly clean out
2194         unused blocks if they are not part of the blocks to consider.
2195         Added additional null check.
2196         (df_compact_blocks): Added basic block parameter to free_bb_fun to
2197         be able to clean out basic block when not necessary
2198         * df.h (df_free_bb_function): Ditto.
2199         (df_bb_refs_delete): New function.
2200         * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
2201         df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
2202         basic block parameter to be able to clean out basic block when not
2203         necessary.
2204         (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
2205         (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
2206         Fixed to properly delete information if df is unused before
2207         calling df_finish.
2208
2209 2006-01-19  Kenneth Zadeck <zadeck@naturalbridge.com>
2210
2211         PR rtl-optimization/25799
2212         * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
2213         Corrected confluence operator to remove bits from op2 before oring
2214         with op1 rather than removing bits from op1.
2215         (df_ru_transfer_function): Corrected test on wrong bitmap which
2216         caused infinite loop.  Both of these problems were introduced in
2217         the dataflow rewrite.
2218
2219 2006-01-19  DJ Delorie  <dj@redhat.com>
2220
2221         * reload1.c (find_reload_regs): Note the details of reload
2222         failures in the dump file.
2223         (spill_failure): Likewise.
2224
2225 2006-01-20  Zdenek Dvorak <dvorakz@suse.cz>
2226
2227         * loop-iv.c: Include df.h and hashtab.h.
2228         (enum iv_grd_result): New enum.
2229         (DF_REF_IV, DF_REF_IV_SET): New macros.
2230         (struct biv_entry): New.
2231         (df, bivs): New global variables.
2232         (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
2233         assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
2234         Removed.
2235         (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
2236         iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
2237         analyzed_for_bivness_p, record_biv): New functions.
2238         (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
2239         get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
2240         iv_analyze, biv_p, iv_analysis_done): Work with df representation of
2241         UD chains.
2242         (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
2243         analysed.
2244         (iv_number_of_iterations): Use new interface to iv analysis.
2245         * loop-unroll.c: Do not include varray.h.
2246         (analyze_iv_to_split_insn): Use new interface to iv
2247         analysis.
2248         * loop-unswitch.c (may_unswitch_on): Ditto.
2249         * df.c (df_bitmaps_free): Only work for bbs for that structures are
2250         allocated.
2251         (df_bb_modify): Realloc tables to the new index.
2252         (df_find_use): New function.
2253         * df.h (df_find_use): Declare.
2254         * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
2255         outmode.
2256         * cfgloop.h (struct rtx_iv): Remove analysed field.
2257         (iv_get_reaching_def): Removed.
2258         (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
2259         * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
2260         (loop-iv.o): Add df.h and hashtab.h dependency.
2261         * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
2262
2263 2006-01-20  Alan Modra  <amodra@bigpond.net.au>
2264
2265         PR target/25668
2266         * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
2267         Double TFmode.
2268         (__floatundisf, __floatundidf): Likewise.
2269         * libgcc2.h (IS_IBM_EXTENDED): Define.
2270
2271 2006-01-19  DJ Delorie  <dj@redhat.com>
2272
2273         * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
2274
2275 2006-01-19  Paul Brook  <paul@codesourcery.com>
2276
2277         * gcc/config/arm/arm.c (arm_compute_func_type): Treat all functions
2278         as nothrow when unwinding tables are disabled.
2279
2280 2006-01-19  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2281
2282         PR testsuite/25171
2283         * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
2284         of bit-field" when in system header.
2285
2286 2006-01-19  DJ Delorie  <dj@redhat.com>
2287
2288         * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
2289         the 16 bit shift limit of the m16c.
2290
2291 2006-01-19  Andrew Pinski  <pinskia@physics.uc.edu>
2292
2293         PR target/22099
2294         * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
2295         * config/i386/i386.c (output_set_got): Output the label if we have one
2296         for the TARGET_DEEP_BRANCH_PREDICTION case.
2297
2298 2006-01-19  Jan Hubicka  <jh@suse.cz>
2299             H.J. Lu  <hongjiu.lu@intel.com>
2300             Evandro Menezes <evandro.menezes@amd.com>
2301
2302         * invoke.texi (generic): Document
2303         (i686) Update.
2304         * config.gcc: Make x86_64-* and i686-* default to generic tunning.
2305         * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
2306         TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
2307         (x86_use_incdec, x86_pad_returns): New variables
2308         (TARGET_CPU_DEFAULT_generic): New constant
2309         (TARGET_CPU_DEFAULT_NAMES): Add generic.
2310         (enum processor_type): Add generic32 and generic64.
2311         * i386.md (cpu attribute): Add generic32/generic64
2312         (movhi splitter): Behave sanely when both partial_reg_dependency and
2313         partial_reg_stall are set.
2314         (K8 splitters): Enable for generic as well.
2315         * predicates.md (incdec_operand): Use TARGET_INCDEC
2316         (aligned_operand): Avoid memory mismatch stalls.
2317         * athlon.md: Enable for generic64, new patterns for 128bit moves.
2318         * ppro.md: Enable for generic32
2319         * i386.c (generic64_cost, generic32_cost): New.
2320         (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
2321         (x86_use_leave): Enable for generic64.  (x86_use_sahf,
2322         x86_ext_80387_constants): Enable for generic32.  (x86_push_memory,
2323         x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
2324         x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
2325         x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
2326         x86_partial_reg_dependency, x86_memory_mismatch_stall,
2327         x86_accumulate_outgoing_args, x86_prologue_using_move,
2328         x86_epilogue_using_move, x86_arch_always_fancy_math_387,
2329         x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
2330         Enable for generic.
2331         (x86_use_incdec, x86_pad_returns): New.
2332         (override_options): Add generic32 and generic64, translate "generic"
2333         to generic32/generic64 and "i686" to "generic32", refuse
2334         "generic32"/"generic64" as arch target.
2335         (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
2336         (ix86_reorg): Honor PAD_RETURNS.
2337
2338 2006-01-19  Diego Novillo  <dnovillo@redhat.com>
2339
2340         * tree-pretty-print.c (dump_generic_node): Handle
2341         OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
2342         * cgraph.c (cgraph_expand_queue): Rename from
2343         cgraph_analyze_queue.  Update all users.
2344         * cgraphunit.c (cgraph_assemble_pending_functions): Process
2345         cgraph_expand_queue.
2346         (cgraph_expand_all_functions): Likewise.
2347         (cgraph_finalize_pending_functions): Remove.  Update callers.
2348
2349         * tree.h (OMP_DIRECTIVE_P): Define.
2350         (OMP_PARALLEL_FN): Define.
2351         (OMP_PARALLEL_DATA_ARG): Define.
2352         (OMP_SECTIONS_SECTIONS): Define.
2353         * tree-pass.h (pass_expand_omp): Declare.
2354         * omp-low.c (struct omp_region): Declare.
2355         (struct omp_context): Remove fields 'parallel_type',
2356         'parallel_start_ix' and 'parallel_start_additional_args'.
2357         Update all users.
2358         (struct omp_for_data): Rename from struct expand_omp_for_data.
2359         (omp_regions): New static variable.
2360         (root_omp_region): New static variable.
2361         (find_omp_clause): Make static.
2362         (is_in_combined_parallel_ctx): Remove.
2363         (is_combined_parallel): New.
2364         (extract_omp_for_data): Move earlier in the file.
2365         (workshare_safe_to_combine_p): New.
2366         (get_ws_args_for): New.
2367         (determine_parallel_type): Move earlier in the file.
2368         (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
2369         child function.
2370         (omp_copy_decl): Likewise.
2371         (create_omp_child_function): Likewise.
2372         (lookup_omp_region): New.
2373         (dump_omp_region): New.
2374         (debug_omp_region): New.
2375         (debug_all_omp_regions): New.
2376         (new_omp_region): New.
2377         (scan_omp_parallel): If parallel_nesting_level > 1, the
2378         directive is nested within another parallel directive.
2379         Set OMP_PARALLEL_FN.
2380         (scan_omp_for): Do not try to handle combined parallel+for
2381         cases.
2382         Remove FIXME comment.
2383         (scan_omp_nested): Remove.
2384         (scan_omp_1): Do not call scan_omp_nested when
2385         parallel_nesting_level is > 1.
2386         Do not change the DECL_CONTEXT of local variables found.
2387         (lookup_decl_in_outer_ctx): New.
2388         (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
2389         (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
2390         (lower_reduction_clauses): Rename from expand_reduction_clauses.
2391         (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
2392         If CTX is nested, lookup VAR in the outer context when
2393         building copy assignment.
2394         (lower_send_clauses): Rename from expand_send_clauses.
2395         If CTX is nested, lookup VAR in the outer context when
2396         building copy assignments.
2397         (lower_send_shared_vars): Rename from expand_send_shared_vars.
2398         If CTX is nested, lookup VAR in the outer context when
2399         building copy assignments.
2400         (expand_parallel_call): Rename from build_parallel_call.
2401         Handle combined parallel+workshare cases.
2402         Re-implement to emit code into the CFG.
2403         (list2chain): New.
2404         (expand_omp_parallel): Re-implement to emit code into the CFG.
2405         Call move_sese_region_to_fn to outline the sub-graph
2406         containing the parallel region.
2407         (expand_omp_for_1): Remove.
2408         (expand_omp_for_generic): Re-implement to emit code into the
2409         CFG.
2410         (expand_omp_for_static_nochunk): Likewise.
2411         (expand_omp_for_static_chunk): Likewise.
2412         (expand_omp_for): Likewise.
2413         (expand_omp_sections): Likewise.
2414         (remove_exit_barriers): New.
2415         (expand_omp_synch): New.
2416         (expand_omp): New.
2417         (build_omp_regions_1): New.
2418         (build_omp_regions): New.
2419         (execute_expand_omp): New.
2420         (gate_expand_omp): New.
2421         (pass_expand_omp): Define.
2422         (lower_omp_sections): Rename from expand_omp_sections.
2423         Set OMP_SECTIONS_SECTIONS.
2424         (lower_omp_single_simple): Rename from expand_omp_single_simple.
2425         (lower_omp_single_copy): Rename from expand_omp_single_copy.
2426         (lower_omp_single): Rename from expand_omp_simple.
2427         (lower_omp_master): Rename from expand_omp_master.
2428         (lower_omp_ordered): Rename from expand_omp_ordered.
2429         (lower_omp_critical): Rename from expand_omp_critical.
2430         (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
2431         (lower_omp_for): Re-implement.
2432         (lower_omp_parallel): Re-implement.
2433         (lower_regimplify): Rename from expand_regimplify.
2434         (lower_omp_1): Rename from expand_omp_1.
2435         If there are syntax errors in the program, replace every
2436         OpenMP directive with NOP.
2437         Call lower_omp_* instead of expand_omp_*.
2438         (lower_omp): Rename from expand_omp.
2439
2440         * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
2441         * tree-gimple.h (enum omp_parallel_type): Remove.
2442         (gimple_boolify): Declare extern.
2443         (find_omp_clause, determine_parallel_type): Remove.
2444
2445         * gimple-low.c (lower_omp_directive): New.
2446         (lower_stmt): Call it.
2447         (record_vars_into): Move from ...
2448         (record_vars): ... here.
2449         Call record_vars_into with current_function_decl.
2450
2451         * gimplify.c (struct gimplify_ctx): Remove fields
2452         combined_pre_p and combined_ctxp.  Update users.
2453         (get_formal_tmp_var): Add documentation.
2454         (gimple_boolify): Make extern.
2455         (gimplify_expr_in_ctx): Remove.  Update callers.
2456         (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
2457         will always be a BIND_EXPR.
2458         (gimplify_expr): Handle OMP_RETURN_EXPR.
2459         * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
2460         (OMP_PARALLEL): Add 3 operands.
2461         (OMP_SECTIONS): Add 1 operand.
2462         (OMP_RETURN_EXPR): Define.
2463
2464         * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
2465         (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
2466         * tree-iterator.c (alloc_stmt_list): Assert that we are not
2467         creating a circular free list.
2468         (free_stmt_list): Assert that we are not freeing stmt_list_cache.
2469
2470         * tree-flow.h (move_sese_region_to_fn): Declare.
2471         (record_vars_into): Declare.
2472         * tree-cfg.c (make_omp_sections_edges): New.
2473         (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
2474         OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
2475         OMP_SECTIONS and OMP_SECTION.
2476         (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
2477         (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
2478         (verify_stmt): Do not handle OMP_DIRECTIVE_P.
2479         (gather_blocks_in_sese_region): New.
2480         (struct move_stmt_d): Declare.
2481         (move_stmt_r): New.
2482         (move_block_to_fn): New.
2483         (move_sese_region_to_fn): New.
2484
2485         * passes.c (init_optimization_passes): Schedule
2486         pass_expand_omp after pass_init_datastructures.
2487
2488         * tree-ssa-operands.c (get_expr_operands): Handle
2489         OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
2490         OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
2491
2492 2006-01-19  Jeff Law  <law@redhat.com>
2493
2494         * tree-vrp.c (extract_range_from_assert): Refine the result range
2495         if the variable referenced by the ASSERT_EXPR has a range and
2496         either the tentative result range or the previous range is a
2497         VR_ANTI_RANGE.
2498
2499 2006-01-19  Richard Sandiford  <richard@codesourcery.com>
2500
2501         * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
2502
2503 2006-01-19  Jan Hubicka  <jh@suse.cz>
2504
2505         * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
2506
2507 2006-01-19  Paolo Bonzini  <bonzini@gnu.org>
2508
2509         * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
2510         (expand_compound_operation, expand_field_assignment): Fail if the
2511         bit lengths of an extract operation are out of range.
2512         (make_extraction): Compute wanted_inner_mode based on the position
2513         and length of the extraction.  Make it extraction_mode for non-constant
2514         positions, and do not modify offset in that case.  When generating a
2515         new MEM, use a mode that can hold the extraction while keeping correct
2516         alignment.  Remove code that supported MEMs wrapped by USEs.
2517         (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
2518
2519 2006-01-19  Andreas Krebbel  <krebbel1@de.ibm.com>
2520
2521         * config/s390/s390.md ("Y", "y"): New mode attribute.
2522         ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
2523         "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
2524         "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
2525         "*addsi3_imm_cc", "*addsi3_carry1_cc",
2526         "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
2527         "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
2528         "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
2529         "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
2530         "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
2531         "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
2532         "addsi3", "subsi3"): Insn patterns removed.
2533         ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
2534         "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
2535         "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
2536         "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
2537         "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
2538         "*sub<mode>3_cconly2"): New insn patterns.
2539         ("addsi3", "subsi3"): New expanders.
2540
2541 2006-01-19  Dorit Nuzman  <dorit@il.ibm.com>
2542
2543         * Makefile.in (tree-vect-patterns.o): Add rule for new file.
2544         * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
2545         existing STMT_VINFO_VECTYPE if available.
2546         (vect_mark_relevant): Add special handling for stmts that are
2547         marked as STMT_VINFO_IN_PATTERN_P.
2548         (vect_analyze_loop): Call vect_pattern_recog.
2549         * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
2550         * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
2551         stmt_info.
2552         (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
2553         (vect_recog_func_ptr): New function-pointer type.
2554         * tree-vect-patterns.c: New file.
2555         (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
2556         (vect_recog_dot_prod_pattern, vect_pattern_recog):
2557         (vect_pattern_recog_1): New functions.
2558         (vect_pattern_recog_funcs): New array of function pointers.
2559
2560         * tree-vectorizer.h (ternary_op): New enum value.
2561         * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
2562         declaration. Revised documentation. Removed redundant dump prints.
2563         Removed redundant argument. Added support for reduction patterns.
2564         (vectorizable_reduction): Added support for reduction patterns.
2565         (vect_transform_stmt): Added support for patterns.
2566
2567         * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
2568         * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
2569         * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
2570         (expand_widen_pattern_expr): New function.
2571         (init_optabs): Initialize new optabs udot_prod_optab,
2572         sdot_prod_optab.
2573         * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
2574         (sdot_prod_optab, udot_prod_optab): Define new optabs.
2575         (expand_widen_pattern_expr): New function declaration.
2576         * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
2577         tree-codes.
2578         * tree-inline.c (estimate_num_insns_1): Added cases for new
2579         tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
2580         * tree-pretty-print.c (dump_generic_node): Likewise.
2581         (op_prio): Likewise.
2582         (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
2583         * tree-ssa-operands.c (get_expr_operands): Added case for
2584         DOT_PROD_EXPR.
2585         * tree-vect-patterns.c (widened_name_p): New function.
2586         (vect_recog_dot_prod_pattern): Added function implementation.
2587         * tree-vect-transform.c (get_initial_def_for_reduction): Added
2588         cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
2589         * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
2590         * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
2591
2592         * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
2593         * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
2594         * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
2595         (init_optabs): Initialize new optabs widen_ssum_optab,
2596         widen_usum_optab.
2597         * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
2598         (widen_ssum_optab, widen_usum_optab): Define new optabs.
2599         * tree-vect-generic.c: (expand_vector_operations_1): Check type of
2600         use instead of type of def.
2601         * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
2602         function implementation.
2603         * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
2604         widen_ssumv8hi): New.
2605
2606         * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
2607         patterns.
2608
2609 2006-01-19  Richard Sandiford  <richard@codesourcery.com>
2610
2611         PR c/25805
2612         * c-decl.c (add_flexible_array_elts_to_size): New function.
2613         (finish_decl): Use it.
2614
2615 2006-01-18  Andrew Pinski  <pinskia@physics.uc.edu>
2616
2617         * diagnostic.h: Include options.h.
2618         * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
2619         dependancies for diagnostic.h.
2620         * Makefile.in (DIAGNOSTIC_H): Add options.h.
2621
2622 2006-01-16  Daniel Berlin  <dberlin@dberlin.org>
2623
2624         * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
2625         (ssa_ro_call_cache_valid): Ditto.
2626         * tree-ssa-alias.c (sort_tags_by_id): New function.
2627         (init_transitive_clobber_worklist): Ditto.
2628         (add_to_worklist): Ditto.
2629         (mark_aliases_call_clobbered): Ditto.
2630         (compute_tag_properties): Ditto.
2631         (set_initial_properties): Ditto.
2632         (compute_call_clobbered): Ditto.
2633         (compute_may_aliases):  Call compute_call_clobbered and grouping.
2634         (compute_flow_sensitive_aliasing): Remove clobbering related code.
2635         (compute_flow_insensitive_aliasing): Grouping now happens in our
2636         caller.
2637         (setup_pointers_and_addressables): Remove clobbering related code.
2638         (add_may_alias): Ditto.
2639         (replace_may_alias): Ditto.
2640         (get_nmt_for): Ditto.
2641         (create_global_var):
2642         (is_escape_site): Return an escape_type enumeration.
2643         * tree-flow-inline.h (is_call_clobbered):  Global var does not
2644         imply call clobbered.
2645         (mark_call_clobbered): Take a reason for marking this. Remove
2646         marking of globalness, and cache invalidation.
2647         (clear_call_clobbered): Remove cache invalidation code.
2648         * tree-dfa.c (dump_variable): If details is on, dump the reason
2649         for escaping.
2650         * tree-outof-ssa.c (create_temp): Copy escape mask from original
2651         variable.
2652         * tree-flow.h (struct ptr_info_def): Add escape mask member.
2653         (struct var_ann_d): Ditto.
2654         (enum escape_type): New.
2655         (mark_call_clobbered): Adjust prototype.
2656         * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
2657         are never call clobbered.
2658         Record reasons for escaping.
2659         * tree-ssa-structalias.h (is_escape_site): Update prototype.
2660         * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
2661         (ssa_ro_call_cache_valid): Ditto.
2662         (clobbered_v_may_defs): Ditto.
2663         (clobbered_vuses): Ditto.
2664         (ro_call_vuses): Ditto.
2665         (clobber_stats): New.
2666         (init_ssa_operands): Zero out clobber stats.
2667         (fini_ssa_operands): Print out clobber stats.
2668         (get_call_expr_operands): Pass callee fndecl to
2669         add_call_read_ops).
2670         (add_call_clobber_ops): Remove use of cache.
2671         Add use of PURE_CONST information.
2672         (add_call_read_ops): Remove use of cache.
2673         Add use of static not_read information.
2674
2675 2006-01-18  Alexandre Oliva  <aoliva@redhat.com>
2676
2677         Introduce TLS descriptors for i386 and x86_64.
2678         * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
2679         (TARGET_ANY_GNU_TLS): New macro.
2680         (enum tls_dialect): Added TLS_DIALECT_GNU2.
2681         (struct machine_function): Add tls_descriptor_call_expanded_p.
2682         (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
2683         (ix86_current_function_calls_tls_descriptor): Likewise.
2684         * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
2685         (override_options): Introduce gnu2 tls dialect.
2686         (ix86_frame_pointer_required): Functions containing TLSCALLs are
2687         not leaves.
2688         (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
2689         Likewise.
2690         (legitimize_tls_address): Adjust logic for GNU2 TLS.
2691         (ix86_init_machine_status): Initialize new field.
2692         (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
2693         (ix86_tls_module_base): New.
2694         * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
2695         * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
2696         (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
2697         (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
2698         (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
2699         (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
2700         (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
2701         (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
2702         * config/i386/predicates.md (tls_modbase_operand): New.
2703         (tp_or_register_operand): New.
2704
2705 2006-01-18  Daniel Berlin  <dberlin@dberlin.org>
2706
2707         * ipa-reference.c (check_operand):  Allow FUNCTION_DECL.
2708         (look_for_address_of): Ditto.
2709         (ipa_init): Walk the function decls.
2710         (static_execute): Don't set readonly on FUNCTION_DECL's.
2711
2712 2006-01-18  Roger Sayle  <roger@eyesopen.com>
2713
2714         * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
2715         for shifts where the source and destination registers are different.
2716
2717 2006-01-18  Paul Brook  <paul@codesourcery.com>
2718
2719         Merge from csl-arm-branch.
2720         2005-03-14  Julian Brown  <julian@codesourcery.com>
2721         * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
2722         (aeabi_llsl): Likewise.
2723         (ashrdi3): Likewise.
2724         (aeabi_lasr): Likewise.
2725         (lshrdi3): Likewise.
2726         (aeabi_llsr): Likewise.
2727         2005-03-10  Julian Brown  <julian@codesourcery.com>
2728         * config.gcc: Disable shared libgcc for SymbianOS.
2729         * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
2730
2731 2006-01-18  DJ Delorie  <dj@redhat.com>
2732
2733         * c-pragma.c (handle_pragma_diagnostic): New.
2734         (init_pragma): Register it.
2735         * doc/extend.texi: Document it.
2736
2737         * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
2738         * diagnostic.h (diagnostic_classify_diagnostic): Declare.
2739         (diagnostic_context): Add classify_diagnostic[].
2740         * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
2741         as errors if they're overridden to DK_WARNING.
2742         (diagnostic_initialize): Initialize classify_diagnostic[].
2743         (diagnostic_set_kind_override): New.
2744         (diagnostic_report_diagnostic): Check for kind changes.
2745         * opts.c (common_handle_option): Take lang_mask.  Update callers.
2746         Handle OPT_Werror_.
2747         * common.opt (Werror=): New.
2748         * doc/invoke.texi: Document -Werror=*
2749
2750 2006-01-18  Jeff Law  <law@redhat.com>
2751
2752         * tree-vrp.c (test_for_singularity): Correct test for new
2753         min limit.  Use operand_equal_p rather than pointer equality
2754         for testing if new min/max values are equal.
2755
2756         * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
2757         using range information until after propagation and folding.
2758
2759 2006-01-18  Richard Henderson  <rth@redhat.com>
2760             Aldy Hernandez  <aldyh@redhat.com>
2761             Jakub Jelinek  <jakub@redhat.com>
2762             Diego Novillo  <dnovillo@redhat.com>
2763
2764         * omp-low.c: New file.
2765         * c-omp.c: New file.
2766
2767 2006-01-18  Richard Henderson  <rth@redhat.com>
2768             Jakub Jelinek  <jakub@redhat.com>
2769             Diego Novillo  <dnovillo@redhat.com>
2770
2771         * doc/invoke.texi: Document -fopenmp.
2772         * tree-dump.h (debug_function): Declare.
2773         * hooks.c (hook_bool_tree_bool_false): New function.
2774         (hook_tree_tree_null): Remove.
2775         (hook_tree_tree_tree_null): New.
2776         * hooks.h: Update to match.
2777         * tree-pretty-print.c (debug_tree_chain): New.
2778         (print_generic_expr): Handle TDF_CHAIN.
2779         (dump_generic_node): Handle BLOCK.
2780         Do not abort with incomplete SWITCH_EXPRs.
2781         Do not dump body of an OpenMP directive if TDF_SLIM is given.
2782         <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
2783         print space after directive name.
2784         <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
2785         Handle OMP_MASTER and OMP_ORDERED.
2786         Handle printing of OMP_BODY just in one place, goto
2787         dump_omp_body in the rest of OMP_* nodes that have
2788         OMP_BODY.
2789         Don't handle clause nodes here.  Update omp statements to
2790         use dump_omp_clauses.
2791         Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
2792         OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
2793         OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
2794         GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
2795         GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
2796         GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
2797         Adjust output for GOMP_PARALLEL.
2798         (dump_omp_clauses): New.
2799         (print_declaration): Dump DECL_VALUE_EXPR.
2800         (op_symbol_1): Split out of op_symbol.
2801         (dumping_stmts): Remove.  Update all users.
2802         * cgraph.c (cgraph_analyze_queue): New.
2803         (cgraph_add_new_function): New.
2804         * cgraph.h (cgraph_analyze_queue): Declare.
2805         (cgraph_add_new_function): Declare.
2806         (cgraph_lower_function): Remove.
2807         * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
2808         nodes.  Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
2809         and TYPE_P nodes in its default clause.
2810         (empty_body_p): New.
2811         (tree_range_check_failed): New.
2812         (build5_stat): New.
2813         * tree.h (OMP_CLAUSE_REDUCTION_INIT,
2814         OMP_CLAUSE_REDUCTION_MERGE,
2815         OMP_CLAUSE_REDUCTION_PLACEHOLDER,
2816         OMP_CLAUSE_PRIVATE_DEBUG,
2817         OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
2818         OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
2819         OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
2820         OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
2821         OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
2822         OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
2823         OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
2824         OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
2825         OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
2826         OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
2827         OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
2828         OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
2829         OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
2830         OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
2831         (TREE_RANGE_CHECK): New.
2832         (empty_body_p): Declare.
2833         (enum omp_clause_default_kind): New.
2834         (build_string_literal): Declare.
2835         (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
2836         (build5_stat, build5): Declare.
2837         * tree-pass.h (TDF_CHAIN): Define.
2838         * tree-pass.h (PROP_gimple_lomp): Define.
2839         (pass_lower_omp): Declare.
2840         * diagnostic.h (debug_tree_chain): Declare.
2841         * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
2842         mode_for_size.
2843         (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
2844         * builtins.c (build_string_literal): Make extern.
2845         * gcc.c (include_spec_function): New.
2846         (static_spec_functions): Add it.
2847         (main): Move load of libgomp.spec ...
2848         (LINK_COMMAND_SPEC): ... here.
2849         (link_gomp_spec): New.
2850         (static_specs): Include it.
2851         (LINK_COMMAND_SPEC): Add link_gomp.
2852         (GOMP_SELF_SPECS): New.
2853         (driver_self_specs): Include it.
2854         (switch_matches): Don't mark inline.
2855         (main): Load libgomp.spec.
2856         * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
2857         OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
2858         and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
2859         * tree-gimple.h (enum omp_parallel): Declare.
2860         (determine_parallel_type): Declare.
2861         (omp_firstprivatize_variable): Declare.
2862         (omp_reduction_init): Declare.
2863         (diagnose_omp_structured_block_errors): Declare.
2864         (struct walk_stmt_info): Add want_return_expr.
2865         (struct walk_stmt_info): Add want_bind_expr, want_locations.
2866         (find_omp_clause): Declare.
2867         (insert_field_into_struct): Declare.
2868         (struct walk_stmt_info): Move from tree-nested.c
2869         (walk_stmts): Declare.
2870         * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
2871         to 200505.
2872         * cgraphunit.c (cgraph_lower_function): Make static.
2873         (cgraph_finalize_pending_functions): New.
2874         (cgraph_finalize_function): Call it.
2875         (cgraph_finalize_compilation_unit): Likewise.
2876         * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
2877         BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
2878         (BT_FN_UINT_UINT): New.
2879         (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
2880         DEF_FUNCTION_TYPE_VAR_4): Document.
2881         (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
2882         BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
2883         BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
2884         BT_FN_VOID_OMPFN_PTR_UINT_UINT,
2885         BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
2886         BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
2887         BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
2888         BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
2889         * builtins.def: Update DEF_BUILTIN comment to include COND argument.
2890         Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
2891         into separate files.
2892         (DEF_GOMP_BUILTIN): New.
2893         (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
2894         BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
2895         BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
2896         BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
2897         BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
2898         BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
2899         BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
2900         BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
2901         BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
2902         BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
2903         BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
2904         BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
2905         BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
2906         BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
2907         BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
2908         BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
2909         BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
2910         BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
2911         BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
2912         BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
2913         BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
2914         BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
2915         BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
2916         BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
2917         BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
2918         BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
2919         * sync-builtins.def: New file, moved from builtins.def.
2920         * omp-builtins.def: New file, moved from builtins.def.
2921         * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
2922         * gimple-low.c (lower_function_body): Clear data.
2923         (lower_stmt): Do not handle COMPOUND_EXPR.
2924         Remove call to print_node_brief.
2925         * c-tree.h (c_finish_omp_clauses): New prototype.
2926         (C_DECL_THREADPRIVATE_P): Define.
2927         (lookup_name_no_remap, c_omp_remap_private): Remove
2928         (c_begin_omp_parallel, c_finish_omp_parallel): Update.
2929         (check_for_loop_decls): Update decl.
2930         (lookup_name_no_remap, c_omp_remap_private): Declare.
2931         (build_indirect_ref, build_modify_expr, pushdecl,
2932         pushdecl_top_level): Move to c-common.h.
2933         * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
2934         before the switch, but just in the 2 places that need it.
2935         * c-decl.c (diagnose_mismatched_decls): Do not check for
2936         mismatched thread-local attributes when OLDDECL is marked
2937         threadprivate and NEWDECL has no thread-local attributes.
2938         (merge_decls): Merge C_DECL_THREADPRIVATE_P.
2939         (c_gimple_diagnostics_recursively): Rename from
2940         c_warn_unused_result_recursively.  Invoke
2941         diagnose_omp_structured_block_errors.
2942         (check_for_loop_decls): Return a singular decl found.
2943         * langhooks.c (lhd_omp_predetermined_sharing): Return
2944         OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
2945         (lhd_omp_firstprivatize_type_sizes): New.
2946         (lhd_omp_assignment): New.
2947         (lhd_omp_predetermined_sharing): New.
2948         * langhooks.h (struct gimplify_omp_ctx): Forward declare.
2949         (struct lang_hooks_for_types): Add
2950         omp_firstprivatize_type_sizes, omp_privatize_by_reference,
2951         omp_predetermined_sharing, omp_disregard_value_expr,
2952         omp_private_debug_clause, omp_clause_default_ctor,
2953         omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
2954         (c_finish_omp_clauses): New.
2955         (c_finish_bc_stmt): Diagnose break within omp for.
2956         (c_begin_omp_parallel, c_finish_omp_parallel): New.
2957         (build_unary_op): Return error_mark after reporting
2958         a readonly_error.
2959         (build_modify_expr): Likewise.
2960         * gimplify.c: Include optabs.h and pointer-set.h.
2961         (enum gimplify_omp_var_data): Declare.
2962         (struct gimplify_omp_ctx): Declare.
2963         (struct gimplify_ctx): Add fields prev_context, combined_pre_p
2964         and combined_ctxp.
2965         (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
2966         (push_gimplify_context, pop_gimplify_context): Allow nesting.
2967         (splay_tree_compare_decl_uid): New.
2968         (new_omp_context): New.
2969         (delete_omp_context): New.
2970         (gimple_add_tmp_var): Call omp_add_variable.
2971         (gimplify_bind_expr): Likewise.
2972         (gimplify_var_or_parm_decl): If omp_notice_variable returned
2973         true, disregard DECL_VALUE_EXPR on the decl if any.
2974         (gimplify_expr_in_ctx): New.
2975         (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
2976         omp_add_variable, omp_notice_variable, omp_is_private
2977         gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
2978         gimplify_adjust_omp_clauses, gimplify_omp_parallel
2979         gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
2980         gimplify_omp_atomic_fetch_op, goa_stabilize_expr
2981         gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
2982         gimplify_omp_atomic): New.
2983         (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
2984         OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
2985         OMP_CRITICAL and OMP_ATOMIC.
2986         (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
2987         * c-pragma.h (enum pragma_kind): Add
2988         PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
2989         PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
2990         PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
2991         PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
2992         PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
2993         PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
2994         PRAGMA_OMP_THREADPRIVATE.
2995         * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
2996         OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
2997         OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
2998         OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
2999         OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
3000         OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
3001         OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
3002         OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
3003         OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
3004         * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
3005         * tree-ssa-dce.c (find_control_dependence): Do not assume that
3006         ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
3007         * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
3008         OpenMP directives.
3009         (struct nesting_info): Add field_map,
3010         suppress_expansion, debug_var_chain.
3011         (create_nesting_tree): Initialize them.
3012         (lookup_field_for_decl): Use field_map.
3013         (get_nonlocal_debug_decl, get_local_debug_decl): New.
3014         (convert_local_omp_clauses): New.
3015         (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
3016         (walk_body): Split out of walk_function.
3017         (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
3018         (convert_nonlocal_reference): Handle omp statements.
3019         (convert_local_reference): Likewise.
3020         (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
3021         (unnest_nesting_tree): New.
3022         (lower_nested_functions): Call it.
3023         (insert_field_into_struct): Make extern.
3024         (struct walk_stmt_info): Move to tree-gimple.h.
3025         (walk_stmts): Make extern.
3026         * omp-builtins.def: New file.
3027         * tree-iterator.c (expr_only): Clarify comment.
3028         * c-common.h (pushdecl_top_level, pushdecl,
3029         build_modify_expr, build_indirect_ref,
3030         c_finish_omp_master, c_finish_omp_critical,
3031         c_finish_omp_ordered, c_finish_omp_barrier,
3032         c_finish_omp_atomic, c_finish_omp_flush,
3033         c_finish_omp_for, c_split_parallel_clauses,
3034         omp_clause_default_kind, c_omp_sharing_predetermined,
3035         c_omp_remap_decl): Declare.
3036         * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
3037         (OBJS-common): Add omp-low.o.
3038         (c-omp.o, omp-low.o): Add.
3039         (gimplify.o): Add dependency on $(OPTABS_H).
3040         (GTFILES): Add omp-low.c.
3041         (gt-stringpool.h): Add.
3042         * tree-cfg.c (set_bb_for_stmt): Do not update the
3043         block-to-labels map if we are currently expanding to RTL.
3044         (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
3045         checks.
3046         Handle IDENTIFIER_NODE.
3047         (tree_verify_flow_info): Do not ICE when emitting error
3048         messages about invalid labels.
3049         (dump_function_to_file): Reset CFUN before emitting the body
3050         of the function.
3051         (debug_function): New.
3052         * passes.c (init_optimization_passes): Schedule
3053         pass_lower_omp.
3054         * langhooks-def.h (lhd_omp_predetermined_sharing,
3055         lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
3056         Declare.
3057         (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
3058         (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
3059         (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
3060         LANG_HOOKS_OMP_PREDETERMINED_SHARING,
3061         LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
3062         LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
3063         LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
3064         LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
3065         LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
3066         LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
3067         (LANG_HOOK_DECLS): Use them.
3068
3069 2006-01-18  Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
3070             Richard Henderson  <rth@redhat.com>
3071             Jakub Jelinek  <jakub@redhat.com>
3072             Diego Novillo  <dnovillo@redhat.com>
3073
3074         * c-parser.c (pragma_omp_clause): Define.
3075         (c_parser_declaration_or_fndef): Document OpenMP syntax.
3076         (c_parser_compound_statement): Likewise.
3077         (c_parser_statement): Likewise.
3078         (c_parser_pragma): Handle omp pragmas.
3079         (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
3080         OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
3081         (c_parser_omp_clause_name, check_no_duplicate_clause,
3082         c_parser_omp_variable_list,
3083         c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
3084         c_parser_omp_clause_copyprivate,
3085         c_parser_omp_clause_default,
3086         c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
3087         c_parser_omp_clause_lastprivate,
3088         c_parser_omp_clause_nowait,
3089         c_parser_omp_clause_num_threads,
3090         c_parser_omp_clause_ordered, c_parser_omp_clause_private,
3091         c_parser_omp_clause_reduction,
3092         c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
3093         c_parser_omp_all_clauses, c_parser_omp_structured_block,
3094         c_parser_omp_atomic, c_parser_omp_barrier,
3095         c_parser_omp_critical, c_parser_omp_flush,
3096         c_parser_omp_for_loop, c_parser_omp_for,
3097         c_parser_omp_master, c_parser_omp_ordered,
3098         c_parser_omp_sections_scope, c_parser_omp_sections,
3099         c_parser_omp_parallel, c_parser_omp_single,
3100         c_parser_omp_construct, c_parser_omp_threadprivate): New.
3101         * c-pragma.c (init_pragma): Do omp pragma registration here.
3102         * c.opt (fopenmp): New flag.
3103
3104 2006-01-18  Eric Christopher  <echristo@apple.com>
3105
3106         * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
3107         * config/darwin.h (GOMP_SELF_SPECS): Define.
3108
3109 2006-01-18  Kazu Hirata  <kazu@codesourcery.com>
3110
3111         * rtl.h: Remove the prototype for reg_alloc.
3112
3113 2006-01-18  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3114
3115         PR target/25731
3116         * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
3117         hppa[12]*-*-hpux11*): Override default shared libgcc version for both
3118         sjlj and dwarf2 exception handling.
3119         * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
3120         Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
3121         * pa/pa.c (function_value): Treat complex and vector types as
3122         aggregates.
3123         (function_arg): Likewise.  Only pass scalar floats in the floating
3124         point argument registers.
3125         * pa/t-slibgcc-dwarf-ver: New file.
3126         * pa/t-slibgcc-sjlj-ver: New file.
3127         * pa/t-slibgcc-elf-ver: Delete file.
3128
3129 2006-01-19  Alan Modra  <amodra@bigpond.net.au>
3130
3131         * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
3132         unlikely_test_section_p test.
3133
3134 2006-01-18  Kazu Hirata  <kazu@codesourcery.com>
3135
3136         * mode-switching.c (optimize_mode_switching): Make it static.
3137         * basic-block.h: Remove the prototype for
3138         optimize_mode_switching.
3139
3140         * modulo-sched.c (sms_schedule): Make it static.
3141         * rtl.h: Remove the prototype for sms_schedule.
3142
3143         * postreload-gcse.c (gcse_after_reload_main): Make it static.
3144         * rtl.h: Remove the prototype for gcse_after_reload_main.
3145
3146         * reg-stack.c (reg_to_stack): Make it static.
3147         * rtl.h: Remove the prototype for reg_to_stack.
3148
3149         * regrename.c (regrename_optimize, copyprop_hardreg_forward):
3150         Make them static.
3151         * rtl.h: Remove the prototypes for regrename_optimize and
3152         copyprop_hardreg_forward.
3153
3154 2006-01-18  Eric Botcazou  <ebotcazou@adacore.com>
3155
3156         * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
3157         alpha_split_tmode_pair.  Add 'mode' and 'fixup_overlap' arguments.
3158         Test against the appropriate null constant for the mode.
3159         If 'fixup_overlap' is true, swap the operands if they overlap.
3160         (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
3161         * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
3162         alpha_split_tmode_pair and adjust for above change.
3163         * config/alpha/alpha.md (movtf_internal): Adjust call to
3164         alpha_split_tfmode_pair and rely on it to swap the operands.
3165         (movti_internal): New insn and post-reload splitter.
3166         (movti): New expander.
3167
3168 2006-01-18  Philippe De Muyter  <phdm@macqel.be>
3169
3170         * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
3171         operands.
3172
3173 2006-01-18  Kazu Hirata  <kazu@codesourcery.com>
3174
3175         * rtlanal.c (global_reg_mentioned_p_1,
3176         global_reg_mentioned_p): Remove.
3177         * rtl.h: Remove the prototype for global_reg_mentioned_p.
3178
3179         * flow.c (initialize_uninitialized_subregs): Make it static.
3180         * rtl.h: Remove the prototype for
3181         initialize_uninitialized_subregs.
3182
3183         * function.c (instantiate_virtual_regs): Make it static.
3184         * function.h: Remove the prototype for
3185         instantiate_virtual_regs.
3186
3187         * regmove.c (regmove_optimize, combine_stack_adjustments):
3188         Make them static.
3189         * rtl.h: Remove the prototypes for regmove_optimize and
3190         combine_stack_adjustments.
3191
3192 2006-01-17  Roger Sayle  <roger@eyesopen.com>
3193
3194         * config/i386/i386.c (COSTS_N_BYTES): New macro.
3195         (size_cost): Encode costs in bytes so that a reg-reg addition is
3196         equivalent to COSTS_N_INSNS(1).
3197         (override_options): Use the size_cost.branch_cost as the default
3198         ix86_branch_cost when optimizing for size.
3199
3200 2006-01-18  Ben Elliston  <bje@au.ibm.com>
3201
3202         * Makefile.in (D32PBIT_FUNCS): New.
3203         (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
3204         (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
3205         D64PBIT_FUNCS and D128PBIT_FUNCS.
3206         (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
3207         * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
3208         D128PBIT are set.
3209         (decnumber_dep): Define.
3210         * doc/libgcc.texi (Decimal float library routines): New node.
3211         * config/dfp-bit.h, config/dfp-bit.c: New files.
3212
3213 2006-01-18  Ben Elliston  <bje@au.ibm.com>
3214
3215         * expr.c (emit_move_change_mode): Always adjust addresses, not
3216         just during reload.  Copy replacements only during reload.
3217         (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
3218         emit_move_via_integer.
3219
3220 2006-01-17  Shantonu Sen  <ssen@opendarwin.org>
3221
3222         * Makefile.in (check-%, check-consistency): Use $${srcdir}
3223         instead of $(srcdir) and ${srcdir}.
3224
3225 2006-01-17  Richard Earnshaw  <rearnsha@arm.com>
3226
3227         PR target/592
3228         PR middle-end/11135
3229         * arm.h (struct machine_function): Add pic_reg.
3230         * arm.c (arm_pic_register): Make unsigned.
3231         (arm_override_options): Only set arm_pic_register if
3232         TARGET_SINGLE_PIC_BASE.
3233         (use_return_insn): Only test for a pic register if it is fixed.
3234         (arm_compute_save_reg0_reg12_mask): Likewise.
3235         (thumb_compute_save_reg_mask): Likewise.
3236         (legitimate_pic_operand): Factor out some known invariants.
3237         (legitimize_pic_address): If we don't have a fixed pic register,
3238         then set up a pseudo in the function entry sequence.  Handle the
3239         pic base being in a pseudo.
3240         (arm_load_pic_register): Handle the pic register being in a pseudo.
3241         (arm_expand_prologue): Only set up the pic register if it is fixed.
3242         (thumb_expand_prologue): Likewise.
3243         * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
3244         (pic_load_addr_based_insn): Likewise.
3245         (builtin_setjmp_receiver): Don't restore the pic base if it isn't
3246         fixed.
3247
3248 2006-01-18  Ben Elliston  <bje@au.ibm.com>
3249
3250         * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
3251         decimal float modes for all floating point registers.
3252
3253         * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
3254         match_code "mem" with match_test "macho_lo_sum_memory_operand".
3255
3256 2006-01-17  Jakub Jelinek  <jakub@redhat.com>
3257
3258         PR c/25682
3259         * c-typeck.c (build_unary_op): Fold offsetof-like expressions
3260         even when the pointer is not NULL.
3261
3262 2006-01-16  Ian Lance Taylor  <ian@airs.com>
3263
3264         * common.opt (ftoplevel-reorder): New option.
3265         * cgraph.c (cgraph_asm_nodes): New global variable.
3266         (cgraph_asm_last_node): New static variable.
3267         (cgraph_order): New global variable.
3268         (cgraph_create_node): Set new order field.
3269         (cgraph_varpool_node): Likewise.
3270         (decide_is_variable_needed): Return true if not
3271         flag_toplevel_reorder.
3272         (cgraph_add_asm_node): New function.
3273         * cgraph.h (struct cgraph_node): Add order field.
3274         (struct cgraph_varpool_node): Add order field.
3275         (struct cgraph_asm_node): Define.
3276         (cgraph_asm_nodes, cgraph_order): Declare.
3277         (cgraph_add_asm_node): Declare.
3278         * cgraphunit.c (cgraph_varpool_assemble_decl): New static
3279         function.
3280         (cgraph_varpool_assemble_pending_decls): Call it.
3281         (cgraph_output_pending_asms): New static function.
3282         (cgraph_finalize_compilation_unit): Call it.
3283         (struct cgraph_order_sort): Define.
3284         (cgraph_output_in_order): New static function.
3285         (cgraph_optimize): Call cgraph_output_pending_asms.  Add code for
3286         !flag_toplevel_reorder case.
3287         * c-parser.c: Include "cgraph.h".
3288         (c_parser_asm_definition): Call cgraph_add_asm_node rather than
3289         assemble_asm.
3290         * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
3291         than -fno-unit-at-a-time.
3292         * doc/invoke.texi (Option Summary): Mention
3293         -fno-toplevel-reorder.
3294         (Optimize Options): Document -fno-toplevel-reorder.  Mention it in
3295         -funit-at-a-time documentation.
3296
3297 2006-01-17  Hans-Peter Nilsson  <hp@axis.com>
3298             Kazu Hirata  <kazu@codesourcery.com>
3299
3300         * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
3301
3302 2006-01-17  Kazu Hirata  <kazu@codesourcery.com>
3303
3304         * Makefile.in (FUNCTION_H): New.  Use it instead of
3305         function.h throughout the file.
3306         * function.h: Include tree.h.
3307
3308 2006-01-17  Ben Elliston  <bje@au.ibm.com>
3309
3310         * recog.c: Separate some functions with whitespace.
3311
3312 2006-01-16  Richard Henderson  <rth@redhat.com>
3313
3314         Merge from gomp branch:
3315         * Makefile.in (TREE_INLINE_H): New.  Use it as needed.
3316         * tree-inline.h (struct copy_body_data): Move from tree-inline.c
3317         and rename from struct inline_data.  Rename callee* to dst*;
3318         caller* to src*; add copy_decl hook, transform_call_graph_edges,
3319         transform_new_cfg, transform_return_to_modify, and
3320         transform_lang_insert_block flags; remove cloning_p, versioning_p,
3321         update_clones_p.
3322         (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
3323         (copy_decl_for_dup): Remove.
3324         * tree-inline.c (struct inline_data): Move to header.
3325         (insert_decl_map): Export.
3326         (remap_decl): Update for member name changes.  Use copy_decl hook.
3327         Allow for replacement to be a non-decl.  Remove dead code.
3328         (remap_type_1): Check for existing mapping.
3329         (remap_type): Export.
3330         (remap_decls): Update for member name changes.
3331         (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
3332         (copy_body, setup_one_parameter, declare_return_variable): Likewise.
3333         (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
3334         (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
3335         (tree_function_versioning, build_duplicate_type): Likewise.
3336         (copy_body_r): Likewise.  Export.
3337         (copy_decl_for_dup): Split into ...
3338         (copy_decl_for_dup_finish, copy_decl_to_var,
3339         copy_decl_no_change, copy_decl_maybe_to_var): ... these.
3340         (replace_ref_tree, inlining_p): Remove.
3341
3342 2006-01-16  Kazu Hirata  <kazu@codesourcery.com>
3343
3344         * ifcvt.c (if_convert): Make it static.
3345         * rtl.h: Remove the prototype for if_convert.
3346
3347         * local-alloc.c (local_alloc): Make it static.
3348         * rtl.h: Remove the prototype for local_alloc.
3349
3350         * loop.c (loop_optimize): Make it static.
3351         * cfgloop.h: Remove the prototype for loop_optimize.
3352         * rtl.h: Likewise.
3353
3354 2006-01-16  DJ Delorie  <dj@redhat.com>
3355
3356         * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
3357         mems.
3358
3359 2006-01-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3360
3361         * pa.md: Disparage copies between general and floating-point registers
3362         in 32-bit move patterns.
3363
3364 2006-01-16  H.J. Lu  <hongjiu.lu@intel.com>
3365
3366         PR testsuite/25741
3367         * Makefile.in (check-%): Depend on site.exp instead of
3368         $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
3369         directories.
3370
3371 2006-01-16  Kazu Hirata  <kazu@codesourcery.com>
3372
3373         * global.c (global_alloc): Make it static.
3374         * rtl.h: Remove the prototype for global_alloc.
3375
3376 2006-01-16  Richard Guenther  <rguenther@suse.de>
3377
3378         * tree-ssa-alias.c (struct used_part): Add write_only field.
3379         (get_or_create_used_part_for): Initialize it to true.
3380         (create_overlap_variables_for): Don't create structure variables
3381         for structures that only are written to.
3382         (find_used_portions): Handle MODIFY_EXPR to track whether a
3383         structure is only written to.
3384
3385 2006-01-16  Kazu Hirata  <kazu@codesourcery.com>
3386
3387         * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
3388         static.
3389         * basic-block.h: Remove the prototype for
3390         partition_hot_cold_basic_blocks.
3391
3392 2006-01-16  Rafael Ãƒvila de Espíndola <rafael.espindola@gmail.com>
3393
3394         * cppspec.c (lang_specific_spec_functions): Remove.
3395         * gcc.c (lookup_spec_function): Use static_spec_functions directly.
3396         * gcc.h (lang_specific_spec_functions): Remove.
3397         * gccspec.c (lang_specific_spec_functions): Remove.
3398
3399 2006-01-16  Paolo Bonzini  <bonzini@gnu.org>
3400
3401         * combine.c (record_value_for_reg): Invalidate registers
3402         if INSN is null.
3403         (record_dead_and_set_regs_1): Likewise, by passing them to
3404         record_value_for_reg.
3405         (record_dead_and_set_regs): Invalidate stores made by a
3406         call.  We do not combine across a call, but we still
3407         relied on equivalences.
3408
3409 2006-01-16  Eric Botcazou  <ebotcazou@adacore.com>
3410
3411         * tree-vrp.c (extract_range_from_binary_expr): Cope with
3412         vrp_int_const_binop returning non-constant nodes.
3413
3414 2006-01-16  Paul Brook  <paul@codesourcery.com>
3415
3416         * config/m68k/m68k.c (output_move_const_into_data_reg):
3417         Output correct mnemonic for mvz and mvs.
3418
3419 2006-01-16  Gabor Loki  <loki@gcc.gnu.org>
3420
3421         * rtl-factoring.c: Add sequence abstraction algorithm.
3422         * cfgcleanup.c (outgoing_edges_match): Extra checks.
3423         (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
3424         ABNORMAL edges.
3425         (block_has_preserve_label): New function.
3426         * common.opt: Register new pass.
3427         * Makefile.in: Ditto.
3428         * passes.c: Ditto.
3429         * timevar.def: Ditto.
3430         * tree-pass.h: Ditto.
3431         * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
3432         * rtl.h (make_jump_insn_raw): Add forward decl.
3433         * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
3434
3435 2006-01-16  Eric Botcazou  <ebotcazou@adacore.com>
3436             Roger Sayle  <roger@eyesopen.com>
3437
3438         * fold-const.c (fold_minmax): New static function.
3439         (fold_binary) <MIN_EXPR>: Call it.
3440         <MAX_EXPR>: Likewise.
3441         * stor-layout.c (place_field): Use DECL_SIZE consistently
3442         in the computation of the new record size.
3443
3444 2006-01-16  Kazu Hirata  <kazu@codesourcery.com>
3445
3446         * cse.c (cse_condition_code_reg): Make it static.
3447         * rtl.h: Remove the prototype for cse_condition_code_reg.
3448
3449         * combine.c (combine_instructions): Make it static.
3450         * rtl.h: Remove the prototype for combine_instructions.
3451
3452 2006-01-15  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3453
3454         PR target/25168
3455         * tree.c (get_file_function_name_long): Concatenate the first global
3456         object name with a string derived from the input filename of the object
3457         for type "F".
3458
3459 2006-01-16  Ben Elliston  <bje@au.ibm.com>
3460
3461         * config/i386/winnt-stubs.c: Update FSF address.
3462         * config/xtensa/ieee754-df.S: Ditto.
3463         * config/xtensa/ieee754-sf.S: Ditto.
3464
3465 2006-01-14  Ian Lance Taylor  <ian@airs.com>
3466
3467         * ifcvt.c (noce_init_if_info): New static function, broken out of
3468         noce_process_if_block.
3469         (noce_process_if_block): Call noce_init_if_info.
3470         (check_cond_move_block): New static function.
3471         (cond_move_process_if_block): New static function.
3472         (process_if_block): Call cond_move_process_if_block.
3473
3474 2006-01-15  Kazu Hirata  <kazu@codesourcery.com>
3475
3476         * cselib.c (hash_table): Rename to cselib_hash_table.
3477         (cselib_clear_table, discard_useless_values,
3478         remove_useless_values, cselib_lookup_mem, cselib_lookup,
3479         cselib_init, cselib_finish): Adjust uses of hash_table.
3480
3481 2006-01-14  Kazu Hirata  <kazu@codesourcery.com>
3482
3483         PR tree-optimization/25485
3484         * tree-vrp.c (extract_range_from_binary_expr): Handle cases
3485         where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
3486         is known to be false and true, respectively.
3487
3488 2006-01-14  Richard Guenther  <rguenther@suse.de>
3489
3490         PR tree-optimization/22548
3491         PR tree-optimization/22555
3492         PR tree-optimization/22501
3493         * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
3494         * params.def (salias-max-array-elements): New parameter.
3495         * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
3496         * doc/invoke.texi (salias-max-array-elements): Document.
3497         * tree-flow-inline.h (var_can_have_subvars): We also handle
3498         arrays now.
3499         * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
3500         COMPONENT_REF.
3501         * tree-ssa-structalias.c (params.h): Include.
3502         (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
3503         (find_func_aliases): Handle multiple constraints from ARRAY_REF.
3504         (get_constraint_for): For ADDR_EXPR operating on something
3505         containing an ARRAY_REF, add all subvars to the solution.
3506         (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
3507         * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
3508         for creating MUST_DEFs.
3509         (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
3510
3511 2006-01-14  Zdenek Dvorak <dvorakz@suse.cz>
3512
3513         * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
3514         functions.
3515         (number_of_iterations_ne, number_of_iterations_lt_to_ne,
3516         assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
3517         number_of_iterations_le): New functions.
3518         (number_of_iterations_special): Removed.
3519         (number_of_iterations_exit): Do not use number_of_iterations_special.
3520         * tree.c (unsigned_type_for): Always return integer type.
3521
3522 2006-01-14  Steven Bosscher  <stevenb.gcc@gmail.com>
3523         Richard Guenther  <rguenther@suse.de>
3524
3525         PR rtl-optimization/24257
3526         * gcse.c (find_moveable_store): Only consider a store movable
3527         when the SET_SRC of the insn can be assigned to a register.
3528
3529 2006-01-14  Ian Lance Taylor  <ian@airs.com>
3530
3531         * tree.c (tree_not_class_check_failed): New function.
3532         * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
3533         (tree_not_class_check_failed): Declare.
3534
3535 2006-01-13  Ian Lance Taylor  <ian@airs.com>
3536
3537         * reload1.c (do_output_reload): Add assertion rejecting a
3538         CALL_INSN.
3539
3540 2006-01-13  Adam Nemet  <anemet@caviumnetworks.com>
3541
3542         * combine.c (struct reg_stat): Add new fields truncation_label and
3543         truncated_to_mode.
3544         (record_value_for_reg): Reset truncated_to_mode.
3545         (record_truncated_value): New function.
3546         (check_promoted_subreg): Call it.  Rename to check_conversions.
3547         (combine_instructions): Rename check_promoted_subreg to
3548         check_conversions.
3549         (reg_truncated_to_mode): New function.
3550         (make_extraction): Use it.  Check TRULY_NOOP_TRUNCATION.
3551         (gen_lowpart_or_truncate): New function.
3552         (force_to_mode): Use it instead of gen_lowpart.
3553
3554 2006-01-13  Diego Novillo  <dnovillo@redhat.com>
3555
3556         * tree-ssa-alias.c (add_type_alias): Fix typo.  Test whether
3557         VAR is a tag, not its type tag.
3558
3559 2006-01-13  Alexandre Oliva  <aoliva@redhat.com>
3560
3561         * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
3562         alternatives to match style of other entries.
3563         (*vec_extractv2di_1_sse): Likewise.  Fix mode attr.
3564
3565 2006-01-13  Daniel Berlin  <dberlin@dberlin.org>
3566
3567         PR tree-optimization/25771
3568         * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
3569         SSA_NAMES.
3570
3571 2006-01-13  Andrew Pinski  <pinskia@physics.uc.edu>
3572
3573         PR tree-opt/24365
3574         * tree-inline.c (declare_return_variable): If the return variable
3575         was marked as a non gimple complex, set the return slot variable
3576         to be a non gimple comple variable.
3577
3578 2006-01-13  Richard Guenther  <rguenther@suse.de>
3579
3580         * builtins.c (expand_builtin_sincos): New function.
3581         (expand_builtin_mathfn_3): Remove dead code, sin and cos
3582         do not set errno.
3583         (expand_builtin): Expand sincos using expand_builtin_sincos.
3584
3585 2006-01-12  DJ Delorie  <dj@redhat.com>
3586
3587         * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
3588         shift counts, separate SI shifts for m32c vs m16c, pass shift type
3589         so that constant shifts can be split.
3590         * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
3591         (m32c_valid_pointer_mode): Make static.
3592         (shift_gen_func_for): New.
3593         (m32c_prepare_shift): Use it.  Split large const shifts into
3594         multiple shifts.
3595         * config/m32c/predicates.md (shiftcount_operand): Allow more
3596         general operands.
3597         (longshiftcount_operand): New.
3598         * doc/md.texi (Machine Constraints): Document In6.
3599
3600 2006-01-13  Ben Elliston  <bje@au.ibm.com>
3601
3602         * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
3603         REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
3604         documentation.
3605
3606 2006-01-12  Daniel Berlin  <dberlin@dberlin.org>
3607
3608         * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
3609         to try to avoid clobbering pieces of structures when we know
3610         something about the whole structure.
3611         * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
3612
3613 2006-01-13  Ben Elliston  <bje@au.ibm.com>
3614
3615         * doc/rtl.texi (Insns): Remove statement that libcalls cannot
3616         return in memory, as this is no limitation is no longer present.
3617
3618 2006-01-12  DJ Delorie  <dj@redhat.com>
3619
3620         * config/m32c/addsub.md (addhi3): Add two more alternatives, for
3621         mova with fb, and for fb+0 -> An.
3622
3623         * config/m32c/mov.md (peephole2): Fix enabling logic.
3624
3625         * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
3626         DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
3627         DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
3628         FINI_ARRAY_SECTION_ASM_OP): Define.
3629
3630         * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
3631         variable.
3632         (m32c_legitimize_reload_address): New logic to reload FB to An.
3633         (m32c_output_reg_push): Add newline.
3634         (m32c_output_reg_pop): Likewise.
3635
3636 2006-01-12  Ulrich Weigand  <uweigand@de.ibm.com>
3637
3638         * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
3639
3640 2006-01-11  Andrew Pinski  <pinskia@physics.uc.edu>
3641
3642         * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
3643
3644 2006-01-11  Kazu Hirata  <kazu@codesourcery.com>
3645
3646         * config/sh/predicates.md (sh_rep_vec): Add parallel to
3647         match_code.
3648
3649 2006-01-11  Ben Elliston  <bje@au.ibm.com>
3650
3651         * rtlanal.c (find_reg_note): Assert insn is not null.
3652
3653 2006-01-11  Kenneth Zadeck <zadeck@naturalbridge.com>
3654
3655         * df-scan.c (df_hard_reg_init): Move declaration of i outside
3656         ifdef.
3657
3658 2006-01-11  Jeff Law  <law@redhat.com>
3659
3660         * tree-ssa-threadupdate.c (threaded_edges): New VEC to
3661         hold edge pairs.
3662         (mark_threaded_blocks, register_jump_thread): New functions.
3663         (thread_through_all_blocks): Remove unwanted argument.  No
3664         longer rely on e->aux to communicate thread target info.
3665         Call mark_threaded_blocks.  Release the threaded_blocks
3666         bitmap and threaded_edges vector when complete.
3667         * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
3668         (threaded_blocks): Remove.
3669         (tree_ssa_dominator_optimize): Remove initialization and
3670         finalization of threaded_blocks.  Simplify call to
3671         thread_through_all_blocks.
3672         (thread_across_edge): Call register_jump_thread rather than
3673         storing thread information into e->aux.
3674         (free_all_edge_infos): Simplify now that e->aux is no longer
3675         used to communicate with thread_through_all_blocks.
3676         * tree-flow.h (thread_through_all_blocks): Update prototype.
3677         (register_jump_thread): Prototype.
3678
3679 2006-01-11  Kazu Hirata  <kazu@codesourcery.com>
3680
3681         * df-core.c (df_compact_blocks, df_bb_replace): Use
3682         SET_BASIC_BLOCK instead of BASIC_BLOCK.
3683
3684 2006-01-11  Richard Guenther  <rguenther@suse.de>
3685
3686         PR tree-optimization/25734
3687         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
3688         stop propagation after successful propagation to the LHS.
3689
3690 2006-01-11  Kazu Hirata  <kazu@codesourcery.com>
3691
3692         * basic-block.h (control_flow_graph): Change the type of
3693         x_basic_block_info to VEC(basic_block,gc) *.
3694         (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
3695         basic_block_info.
3696         (SET_BASIC_BLOCK): New.
3697         * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
3698         instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
3699         * cfgbuild.c (find_basic_blocks): Likewise.
3700         * cfglayout.c (fixup_reorder_chain): Likewise.
3701         * cfgrtl.c (create_basic_block_structure,
3702         rtl_create_basic_block): Likewise.
3703         * ifcvt.c (find_if_case_1): Likewise.
3704         * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
3705         Likewise.
3706
3707 2006-01-11  Kenneth Zadeck <zadeck@naturalbridge.com>
3708
3709         * Makefile.in: Removed rotted odf.c entry.
3710
3711 2006-01-11  Hans-Peter Nilsson  <hp@axis.com>
3712
3713         PR target/25706
3714         * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
3715         ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
3716         ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
3717         output pattern modifier, not %e.
3718         * config/cris/cris.c (cris_op_str): Update comment about pattern
3719         modifier.
3720         (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
3721         before falling through into...
3722         <case 'E'>: Redefined from old 'e' case.
3723
3724 2006-01-11  Jan Hubicka  <jh@suse.cz>
3725
3726         PR target/25042
3727         * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
3728
3729 2006-01-11  Jan Hubicka  <jh@suse.cz>
3730
3731         * i386.h (TARGET_DECOMPOSE_LEA): Kill.
3732         * i386.c (x86_decompose_lea): Kill.
3733         (ix86_rtx_costs): Kill.
3734
3735 2006-01-11  Jan Hubicka  <jh@suse.cz>
3736
3737         * cgraph.c (cgraph_insert_node_to_hashtable): New function.
3738         * cgraph.h (cgraph_node): Add inline_decl.
3739         (cgraph_insert_node_to_hashtable): Declare.
3740         (save_inline_function_body): Declare.
3741         * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
3742         clones.
3743         (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
3744         (cgraph_function_versioning): Update call of tree_function_versioning.
3745         (save_inline_function_body): New function.
3746         * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
3747         saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
3748         * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
3749         (cgraph_default_inline_p): Likewise.
3750         (cgraph_decide_inlining_incrementally): Likewise.
3751         * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
3752         (copy_bb): Kill saving; do updating of clones.
3753         (copy_cfg_body): Kill saving.
3754         (initialize_inlined-parameters): Likewise.
3755         (expand_call_inline): Likewise.
3756         (save_body): Kill.
3757         (tree_function_versioning): New parameter "update_clones".
3758         (inlining_p): Kill saving.
3759         * tree-inline.h (tree_function_versioning): Update prototype.
3760         * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
3761         saving.
3762
3763 2006-01-11  Ian Lance Taylor <ian@airs.com>
3764
3765         * combine.c (struct undo): Remove is_int.  Enumify types of undos.
3766         Allow undoing set of machine mode.
3767         (do_SUBST): Use enums instead of is_int.
3768         (do_SUBST_MODE): New function.
3769         (SUBST_MODE): New macro.
3770         (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
3771         reg and trying to replace reg_regno_rtx with a new register.
3772         (undo_all): Use new enums, handle undoing a PUT_MODE change.
3773         (simplify_set): Use SUBST_MODE.
3774         (distribute_notes): Remove code that tried to update reg notes
3775         for regno_reg_rtx changes.
3776
3777 2006-01-11  Paolo Bonzini  <bonzini@gnu.org>
3778
3779         PR tree-optimization/23109
3780         PR tree-optimization/23948
3781         PR tree-optimization/24123
3782
3783         * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
3784         * tree-cfg.c (single_noncomplex_succ): New.
3785         * tree-flow.h (single_noncomplex_succ): Declare it.
3786         * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
3787         * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
3788         (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
3789         insert_bb, register_division_in, insert_reciprocals,
3790         replace_reciprocal, free_bb): New.
3791         (execute_cse_reciprocals_1): Rewritten.
3792         (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
3793         Do not commit any edge insertion.  Always compute dominators and
3794         create the allocation pool.
3795         * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
3796         * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
3797         * targhooks.c (default_min_divistions_for_recip_mul): New.
3798         * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
3799         * passes.c (init_optimization_passes): Run recip after tree loop
3800         optimizations.
3801         * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
3802
3803 2006-01-11  Danny Berlin <dberlin@dberlin.org>
3804             Kenneth Zadeck <zadeck@naturalbridge.com>
3805
3806         * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
3807         DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
3808         DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
3809         DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
3810         DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
3811         DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
3812         DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
3813         DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
3814         DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
3815         DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
3816         DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
3817         DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
3818         DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
3819         DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
3820         DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
3821         DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
3822         DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
3823         DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
3824         DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
3825         DF_SCAN_POST_ALLOC): New macros.
3826         (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
3827         df_free_bb_function, df_local_compute_function, df_init_function,
3828         df_dataflow_function, df_confluence_function_0,
3829         df_confluence_function_n, df_transfer_function,
3830         df_finalizer_function, df_free_function, df_dump_problem_function,
3831         df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
3832         df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
3833         df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
3834         df_urec_bb_info, ) New types.
3835         (df_invalidated_by_call, df_all_hard_regs, df_state) New public
3836         variables.
3837         (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
3838         df_analyze_simple_change_some_blocks,
3839         df_analyze_simple_change_one_block, df_compact_blocks,
3840         df_bb_replace, df_bb_regno_last_use_find,
3841         df_bb_regno_first_def_find, df_bb_regno_last_def_find,
3842         df_insn_regno_def_p, df_find_def, df_find_use,
3843         df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
3844         df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
3845         df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
3846         debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
3847         debug_df_chain, df_get_dependent_problem, df_chain_create,
3848         df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
3849         df_grow_bb_info, df_chain_dump, df_print_bb_index,
3850         df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
3851         df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
3852         df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
3853         df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
3854         df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
3855         df_rescan_blocks, df_ref_create, df_get_artificial_defs,
3856         df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
3857         df_ref_remove, df_insn_refs_delete, df_refs_delete,
3858         df_reorganize_refs, df_set_state, df_hard_reg_init,
3859         df_read_modify_subreg_p) New public functions.
3860         * df-core.c: The core dataflow solver and glue routines for rtl
3861         dataflow.
3862         (df_init, df_add_problem, df_set_blocks, df_finish,
3863         df_hybrid_search_forward, df_hybrid_search_backward,
3864         df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
3865         df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
3866         df_bb_regno_last_use_find, df_bb_regno_first_def_find,
3867         df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
3868         df_reg_defined, df_find_use, df_reg_used, df_dump,
3869         df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
3870         df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
3871         debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
3872         debug_df_useno, reset_df_after_reload): New functions.
3873         * df-scan.c: The scanning fuctions, once in df.c, completely
3874         rewritten so that they now fully model the functionality of
3875         register usage at the backend.
3876         (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
3877         df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
3878         df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
3879         df_grow_insn_info, df_rescan_blocks, df_ref_create,
3880         df_get_artificial_defs, df_get_artificial_uses,
3881         df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
3882         df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
3883         df_refs_delete, df_reorganize_refs, df_set_state,
3884         df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
3885         df_def_record_1, df_defs_record, df_uses_record,
3886         df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
3887         df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
3888         df_record_exit_block_uses, df_hard_reg_init): New functions.
3889
3890         * df-problems.c: Seven concrete dataflow problems that use the
3891         scanning in df-scan.c and are solved by the engine in df-core.c.
3892         (df_get_dependent_problem, df_chain_create, df_chain_unlink,
3893         df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
3894         df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
3895         df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
3896         df_ru_free_bb_info, df_ru_alloc,
3897         df_ru_bb_local_compute_process_def,
3898         df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
3899         df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
3900         df_ru_transfer_function, df_ru_free, df_ru_dump,
3901         df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
3902         df_rd_free_bb_info, df_rd_alloc,
3903         df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
3904         df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
3905         df_rd_transfer_function, df_rd_free, df_rd_dump,
3906         df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
3907         df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
3908         df_lr_local_compute, df_lr_init, df_lr_confluence_0,
3909         df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
3910         df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
3911         df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
3912         df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
3913         df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
3914         df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
3915         df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
3916         df_urec_mark_reg_change, df_urec_check_earlyclobber,
3917         df_urec_mark_reg_use_for_earlyclobber,
3918         df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
3919         df_urec_local_compute, df_urec_init, df_urec_local_finalize,
3920         df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
3921         df_urec_dump, df_urec_add_problem, df_chain_alloc,
3922         df_chain_create_bb_process_use, df_chain_create_bb,
3923         df_chain_finalize, df_chain_free, df_chains_dump,
3924         df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
3925         df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
3926         df_reg_lifetime): New functions.
3927         * df.c: Deleted file.
3928         * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
3929         consistent with new df api.
3930         * modulo-sched.c (sms_schedule, rest_of_handle_sms,
3931         rest_of_handle_sms): Ditto.
3932         * web.c (unionfind_union, union_defs, entry_register, web_main):
3933         Ditto.
3934         * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
3935         invariant_expr_equal_p, find_defs, check_dependencies,
3936         find_invariant_insn, find_invariants_to_move, move_invariant_reg,
3937         free_inv_motion_data, move_loop_invariants): Ditto.
3938         * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
3939         Update dependencies.
3940         (odf.c): Added defective entry that was deleted later in day.
3941         * sched-deps.c (sched_analyze_1): Ditto.
3942
3943 2006-01-11  Zdenek Dvorak <dvorakz@suse.cz>
3944
3945         * tree-ssa-operands.c (get_expr_operands): Record addressable
3946         variables directly.  Do not call add_stmt_operands for CONST_DECLs
3947         and ARRAY_DECLs.
3948         (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
3949         (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
3950
3951 2006-01-11  Ben Elliston  <bje@au.ibm.com>
3952
3953         * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
3954         function returns true in the positive case.
3955
3956 2006-01-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3957
3958         PR target/20754
3959         * config/pa/pa.md: Create separate 32 and 64-bit move patterns
3960         for SI, DI, SF and DF modes.  Add alternatives to copy between
3961         general and floating point registers to the 32-bit patterns.
3962         * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
3963         * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
3964         (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
3965         generating 64-bit code.
3966         * config/pa/pa.c (output_move_double): Handle copies between general
3967         and floating registers.
3968
3969 2006-01-10  Stuart Hastings  <stuart@apple.com>
3970
3971         * config/i386/i386.md (set_got): Update.
3972         (set_got_labelled): New.  (UNSPEC_LD_MPIC): New.
3973         (builtin_setjmp_receiver): Mach-O support.
3974         * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
3975         (GOT_SYMBOL_NAME): Define.
3976         (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
3977         (TARGET_DEEP_BRANCH_PREDICTION): Remove.
3978         * config/i386/i386.c (override_options): Revise for Darwin.
3979         (USE_HIDDEN_LINKONCE): Enable for Mach-O.  (ix86_file_end): Mach-O
3980         support.  (darwin_x86_file_end): New.  (output_set_got): Add label
3981         parameter, revise for Mach-O.  (x86_output_mi_thunk): Likewise.
3982         * config/i386/i386-protos.h (output_set_got): Likewise.
3983         * config/darwin.c (machopic_legitimize_pic_address): Update
3984         regs_ever_live[].
3985
3986 2006-01-10  Kaz Kojima  <kkojima@gcc.gnu.org>
3987
3988         * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
3989         when MODE isn't BLKmode.
3990
3991 2006-01-10  Eric Botcazou  <ebotcazou@libertysurf.fr>
3992
3993         PR rtl-optimization/25367
3994         * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
3995
3996 2006-01-10  Hans-Peter Nilsson  <hp@axis.com>
3997
3998         PR target/25718
3999         * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
4000         for a negative bound.
4001
4002 2006-01-10  Richard Guenther  <rguenther@suse.de>
4003
4004         * tree-ssa-structalias.c (get_constraint_for_component_ref):
4005         Never override with anything constraint.
4006
4007 2006-01-10  Jan Beulich  <jbeulich@novell.com>
4008
4009         * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
4010         256 bits when optimize_size.
4011
4012 2006-01-10  Jan Beulich  <jbeulich@novell.com>
4013
4014         * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
4015         MASK_ALIGN_DOUBLE.
4016         * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
4017         * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
4018         arguments.
4019
4020 2006-01-10  Ben Elliston  <bje@au.ibm.com>
4021
4022         * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
4023         float modes.
4024         * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
4025         (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
4026         (USE_FP_FOR_ARG): Reject decimal float modes.
4027         (function_arg_advance): Likewise.
4028         (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
4029         (rs6000_handle_altivec_attribute): Do not permit decimal floating
4030         point types in AltiVec vectors.
4031         (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
4032         (rs6000_libcall_value): Likewise.
4033
4034 2006-01-09  Bob Wilson  <bob.wilson@acm.org>
4035
4036         * config/xtensa/ieee754-df.S: New file.
4037         * config/xtensa/ieee754-sf.S: New file.
4038         * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
4039         (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
4040         * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
4041
4042 2006-01-09  Kazu Hirata  <kazu@codesourcery.com>
4043
4044         * config/sh/predicates.md (binary_float_operator,
4045         binary_logical_operator, commutative_float_operator,
4046         equality_comparison_operator, greater_comparison_operator,
4047         less_comparison_operator, logical_operator,
4048         noncommutative_float_operator, shift_operator,
4049         symbol_ref_operand, unary_float_operator): Remove redundant
4050         conditionals.
4051
4052 2006-01-09  Jeff Law  <law@redhat.com>
4053
4054         * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
4055         code to propagate the RHS of a cast into COND_EXPR_COND.  Remove
4056         now unused arguments.  Callers updated.
4057         (eliminate_redundant_computations): Remove now unused arguments,
4058         callers updated.
4059         (local_fold): Remove, no longer used.
4060         (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
4061         and moved to...
4062         * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
4063         (simplify_cond): New function.
4064         (forward_propagate_into_cond): Call simplify_cond.
4065
4066 2006-01-09  Alexandre Oliva  <aoliva@redhat.com>
4067
4068         * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
4069         (*vec_extractv2di_1_sse): New.
4070
4071 2006-01-09  Ben Elliston  <bje@au.ibm.com>
4072
4073         * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
4074
4075 2006-01-08  Richard Guenther  <rguenther@suse.de>
4076
4077         * tree-ssa-structalias.c (get_constraint_for): Remove
4078         anyoffset argument.
4079         (get_constraint_for_component_ref): Likewise.
4080         (do_deref): Likewise.
4081         (get_constraint_for): Likewise.
4082         (do_structure_copy): Likewise.
4083         (handle_ptr_arith): Likewise.
4084         (find_func_aliases): Likewise.  Remove unused need_anyoffset
4085         variable.
4086
4087 2006-01-08  J"orn Rennecke  <joern.rennecke@st.com>
4088             Kaz Kojima  <kkojima@gcc.gnu.org>
4089
4090         * config/sh/sh.h (CONST_OK_FOR_K16): Define.
4091         (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
4092         (EXTRA_CONSTRAINT_C16): Remove.
4093         (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
4094         (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
4095         EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
4096         * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
4097         constants of SHmedia.  Handle nested constant expressions of
4098         SHmedia correctly.
4099         (andcosts): Fix the costs for SHmedia constants.
4100         (sh_rtx_costs): Take account of outer_code for SHmedia constants.
4101         * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
4102         (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
4103         (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
4104         (movv4hi_i, movv2si_i): Likewise.
4105         (movsi_const): Adjust the second operand of ior so to match with
4106         the Csu constraint.
4107         (movdi_const, movdi_const_32bit): Likewise.
4108         (movdi_const_16bit+1): Don't sign-extend LOW.
4109         (movdi_const_16bit+2): Likewise.  Remove the zero_extend and truncate
4110         step.
4111         (*double_shori): Fix the split condition.  Use GEN_INT instead
4112         of get_int_mode calls.  Mask lower 16-bit of the argument of
4113         the last GEN_INT.
4114         (sym2GOTPLT): Remove.
4115         (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
4116         gen_rtx_UNSPEC.
4117         * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
4118         instead of EXTRA_CONSTRAINT_C16.
4119
4120 2006-01-07  Ian Lance Taylor  <ian@airs.com>
4121             David Edelsohn  <edelsohn@gnu.org>
4122
4123         PR rtl-optimization/25662
4124         * optabs.c (simplify_expand_binop): Use simplify_binary_operation
4125         for constant operands instead of simplify_gen_binary.
4126         * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
4127         after trying simplify_binary_operation
4128
4129 2006-01-06  Daniel Berlin  <dberlin@dberlin.org>
4130
4131         * tree.c (iterative_hash_expr): Hash decls based on UID.
4132
4133 2006-01-06  Eric Christopher  <echristo@apple.com>
4134
4135         * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
4136         (TARGET_UNWIND_EMIT): Fix spelling.
4137         * target.h (gcc_target): Add except_table_label.
4138         * except.c (output_function_exception_table): Use.
4139         * varasm.c (default_emit_except_table_label): New.
4140         * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
4141         define.
4142         (asm_out): Add here.
4143         * output.h (default_emit_except_table_label): Prototype.
4144         * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
4145         * config/darwin.c (darwin_emit_except_table_label): Define.
4146         * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
4147
4148 2006-01-06  Zdenek Dvorak <dvorakz@suse.cz>
4149
4150         PR tree-optimization/18527
4151         * tree-ssa-loop-niter.c (number_of_iterations_cond,
4152         number_of_iterations_special, number_of_iterations_exit):
4153         Move base and step of an iv to a single structure.  Add
4154         no_overflow flag, and use it in # of iterations analysis.
4155         * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
4156         folded_casts argument.
4157         (simple_iv): Pass base and step in a structure.  Set no_overflow
4158         flag.
4159         (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
4160         Evaluate expensiveness of computing # of iterations instead of
4161         the final expression.
4162         * tree-scalar-evolution.h (affine_iv): New structure.
4163         (simple_iv): Declaration changed.
4164         * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
4165         * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
4166         find_givs_in_stmt): Changed due to simple_iv change.
4167
4168 2006-01-06  Jeff Law  <law@redhat.com>
4169
4170         PR ada/24994
4171         * tree-cfg.c (bsi_replace): Rename final argument from
4172         PRESERVE_EH_INFO to UPDATE_EH_INFO.  Fix typo in last
4173         change (stmt -> orig_stmt).
4174         * tree-eh.c (verify_eh_throw_stmt_node): New function.
4175         (bsi_remove): Add new argument.  Remove EH information
4176         if requested.
4177         (verify_eh_throw_table_statements): New function.
4178         (bsi_remove): Add new argument REMOVE_EH_INFO.  All callers
4179         updated.
4180         * tree-optimize.c (execute_free_cfg_annotations): Verify
4181         the EH throw statement table after removing annotations.
4182         * except.h (verify_eh_throw_table_statements): Prototype.
4183         * tree-flow.h (bsi_remove): Update prototype.
4184         * tree-vrp.c (remove_range_assertions): Add new argument to
4185         bsi_remove call.
4186         * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
4187         * tree-complex.c (expand_complex_div_wide): Likewise.
4188         * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
4189         * tree-tailcall.c (eliminate_tailcall): Likewise.
4190         * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
4191         * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
4192         * tree-nrv.c (tree_nrv): Likewise.
4193         * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
4194         * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
4195         (combine_blocks): Likewise.
4196         * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
4197         * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
4198         (cleanup_control_flow): Likewise.
4199         (remove_forwarder_block): Likewise.
4200         * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
4201         * tree-sra.c (sra_replace): Likewise.
4202         * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
4203         (forward_propagate_single_use_vars): Likewise.
4204         * tree-ssa-dce.c (remove_dead_stmt): Likewise.
4205         * tree-inline.c (expand_call_inline): Likewise.
4206         * tree-vect-transform.c (vect_transform_loop): Likewise.
4207         * tree-outof-ssa.c (rewrite_trees): Likewise.
4208         * tree-cfg.c (make_goto_expr_edges): Likewise.
4209         (cleanup_dead_labels): Likewise.
4210         (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
4211         (bsi_move_before, bsi_move_after): Likewise.
4212         (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
4213         (tree_redirect_edge_and_branch, tree_split_block): Likewise.
4214
4215 2006-01-06  Andrew Pinski  <pinskia@physics.uc.edu>
4216
4217         PR tree-opt/25528
4218         * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
4219         and IMAGPART_EXPR.
4220         * tree-flow-inline.h (var_can_have_subvars): Handle complex types
4221         on non gimple variables.  Also add checks at the top for decls and
4222         mtags.
4223         * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
4224         complex types.
4225         * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
4226         and IMAGPART_EXPR for creating MUST_DEFs.
4227         (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
4228         and NAME_MEMORY_TAG separately from the DECLs.
4229
4230 2006-01-06  Richard Guenther  <rguenther@suse.de>
4231
4232         * tree-dfa.c (mark_new_vars_to_rename): Create stmt
4233         annotation, if necessary.
4234         * tree-ssa-pre.c (create_expression_by_pieces): Remove
4235         redundant calls to update_stmt.
4236         * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
4237         Likewise.
4238
4239 2006-01-05  Richard Henderson  <rth@redhat.com>
4240
4241         * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
4242
4243 2006-01-05  Carlos O'Donell  <carlos@codesourcery.com>
4244
4245         * c-typeck.c: Update copyright date.
4246
4247 2006-01-05  Carlos O'Donell  <carlos@codesourcery.com>
4248
4249         * c-typeck.c (build_c_cast): Always warn when casting
4250         from a pointer to an integer of different size, even if
4251         the node was constant.
4252
4253 2006-01-05  Richard Guenther  <rguenther@suse.de>
4254
4255         PR tree-optimization/22555
4256         * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
4257         if one structure field is an array.
4258         * tree-ssa-operands.c (get_expr_operands): Continue scanning
4259         operands even if we found a subvar, but ignore VOPs in this
4260         case.
4261         * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
4262         for renaming.
4263         * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
4264
4265 2006-01-05  Richard Earnshaw  <rearnsha@arm.com>
4266
4267         PR middle-end/24998
4268         * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
4269
4270 2006-01-05  Richard Guenther  <rguenther@suse.de>
4271             Diego Novillo  <dnovillo@redhat.com>
4272
4273         * tree-pass.h (TODO_remove_unused_locals): Define.
4274         * gimple-low.c (expand_var_p, remove_useless_vars,
4275         pass_remove_useless_vars): Remove.  Update all users.
4276         * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
4277         (remove_unused_locals): New function.
4278         * tree-flow.h (remove_unused_locals): Declare.
4279         * passes.c (execute_todo): Call remove_unused_locals if
4280         TODO_remove_unused_locals is set.
4281         * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
4282         * tree-ssa-dce.c (pass_dce): Likewise.
4283         * tree-outof-ssa.c (pass_del_ssa): Likewise.
4284
4285 2006-01-05  Richard Guenther  <rguenther@suse.de>
4286
4287         * tree-flow.h (struct fieldoff): Decompose field to
4288         type, size and decl.
4289         * tree-ssa-alias.c (create_sft): Take type as parameter.
4290         (create_overlap_variables_for): Store type, size and decl
4291         in the fieldoff structure.
4292         * tree-ssa-structalias.c (fieldoff_compare): Adjust users
4293         of struct fieldoff.
4294         (push_fields_onto_fieldstack): Likewise.
4295         (create_variable_info_for): Likewise.  Use offset for the
4296         SFT name if the decl is not available.
4297
4298 2006-01-04  Paul Brook  <paul@codesourcery.com>
4299
4300         * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
4301
4302 2006-01-04  Daniel Berlin  <dberlin@dberlin.org>
4303
4304         * lambda-code.c (can_put_in_inner_loop): Relax
4305         restrictions.
4306         (can_put_after_inner_loop): New function.
4307         (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
4308         (perfect_nestify): Change to make copies and modify uses.
4309
4310 2006-01-04  Richard Henderson  <rth@redhat.com>
4311
4312         Merge from gomp branch:
4313         * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
4314         via integer constant.
4315         (pragma_lex): Remove.
4316         * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
4317         rather than parsing it.
4318         * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
4319         handle_pragma_extern_prefix): Add %< %> quotes.
4320         (registered_pragmas): New.
4321         (c_register_pragma_1): New.
4322         (c_register_pragma): Use it.
4323         (c_register_pragma_with_expansion): Likewise.
4324         (c_invoke_pragma_handler): New.
4325         (init_pragma): Use cpp_register_deferred_pragma directly for
4326         pch_preprocess.
4327         * c-pragma.h (enum pragma_kind): New.
4328         (pragma_handler): New.
4329         (c_invoke_pragma_handler): Declare.
4330         * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
4331         CPP_PRAGMA_EOL.
4332         * c-common.h (c_common_pch_pragma): Update decl.
4333         * Makefile.in (c-parser.o): Update dependencies.
4334         (GTFILES): Add c-pragma.h.
4335         * c-parser.c (struct c_token): Add pragma_kind.
4336         (struct c_parser): Add in_pragma.
4337         (c_lex_one_token): Always initialize keyword and pragma_kind.
4338         Extract data for CPP_PRAGMA.
4339         (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
4340         (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
4341         Don't allow CPP_PRAGMA_EOL if in_pragma.
4342         (c_parser_consume_pragma): New.
4343         (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
4344         (c_parser_skip_to_end_of_parameter): Likewise.
4345         (c_parser_skip_to_end_of_block_or_statement): Likewise.
4346         (c_parser_skip_to_pragma_eol): New.
4347         (c_parser_external_declaration): Handle CPP_PRAGMA.
4348         (c_parser_compound_statement_nostart): Likewise.
4349         (c_parser_statement_after_labels): Likewise.
4350         (c_parser_pragma): New.
4351         (pragma_lex): Likewise.
4352         (c_parser_pragma_pch_preprocess): New.
4353         (c_parser_new): Merge into ...
4354         (c_parse_file): ... here.  Call c_parser_pragma_pch_preprocess.
4355
4356 2006-01-04  Jeff Law  <law@redhat.com>
4357
4358         PR ada/24994
4359         * tree-cfg.c (bsi_replace): Remove the original statement
4360         from the EH throw statement table.
4361
4362 2006-01-04  Jakub Jelinek  <jakub@redhat.com>
4363
4364         * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
4365         make the prototype extern "C" and add throw ().
4366
4367         PR target/25554
4368         * config/i386/i386.md (testqi_ext_3): Ensure len is positive
4369         and pos non-negative and pos + len <= 32.
4370         (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
4371         drop pos + len < HOST_BITS_PER_WIDE_INT test.
4372         (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
4373
4374         PR c/25559
4375         * c-common.c (handle_vector_size_attribute): Reject zero vector size
4376         as well as sizes not multiple of component size.
4377
4378         PR debug/25562
4379         * function.c (instantiate_expr): New function.
4380         (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
4381         walk its DECL_VALUE_EXPR with instantiate_expr.
4382
4383         * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
4384         DW_OP_deref{,_size} if address isn't going to be added.
4385
4386 2006-01-04  Ben Elliston  <bje@au.ibm.com>
4387
4388         * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
4389         * config/fp-bit.c: Likewise.
4390
4391 2006-01-03  Daniel Berlin  <dberlin@dberlin.org>
4392
4393         * dominance.c: Add comment about why we use DFS numbering
4394         of dominance tree.
4395
4396 2006-01-03  Jakub Jelinek  <jakub@redhat.com>
4397             Richard Henderson  <rth@redhat.com>
4398
4399         Merge from gomp-branch:
4400         * varasm.c (assemble_variable): Handle thread-local COMMON data.
4401         * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
4402
4403 2006-01-03  Paolo Bonzini  <bonzini@gnu.org>
4404
4405         PR rtl-optimization/25578
4406         * combine.c (combine_simplify_rtx, force_to_mode): Don't
4407         pass a parameter to simplify_shift_const if changing ASHIFTRT
4408         to LSHIFTRT.
4409
4410 2006-01-03  Adrian Straetling  <straetling@de.ibm.com>
4411
4412         * builtins.c (get_builtin_sync_mem): New function.
4413         (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
4414         expand_builtin_lock_test_and_set, expand_builtin_lock_release):
4415         Call get_builtin_sync_mem to generate mem rtx.
4416
4417 2006-01-03  Richard Guenther  <rguenther@suse.de>
4418
4419         PR c/25183
4420         * stmt.c (add_case_node): Make sure to clear overflow flags
4421         from ranges.
4422
4423 2006-01-03  Jakub Jelinek  <jakub@redhat.com>
4424
4425         Merge from gomp-branch.
4426         * config/sparc/sync.md: New file.
4427         * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
4428         UNSPECV_LDSTUB): New constants.
4429         * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
4430         * config/sparc/predicates.md (memory_reg_operand): New predicate.
4431         * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
4432         prototype.
4433
4434 2006-01-03  Roger Sayle  <roger@eyesopen.com>
4435
4436         * combine.c (reg_subword_p): New predicate to test whether the
4437         destination of a set refers to a subword/piece of a register.
4438         (try_combine): Generalize the code to merge the setting of a
4439         pseudo to a constant followed by a set of a subword of that
4440         register to a constant.
4441
4442 2006-01-03  Kazu Hirata  <kazu@codesourcery.com>
4443
4444         * basic-block.h (control_flow_graph): Change the type of
4445         x_label_to_block_map to VEC(basic_block,gc) *.
4446         * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
4447         set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
4448
4449         * tree-ssa-propagate.c (cfg_blocks): Change the type to
4450         VEC(basic_block,heap) *.
4451         (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
4452         ssa_prop_fini): Adjust the uses of cfg_blocks.
4453
4454 2006-01-03  Steven Bosscher  <stevenb.gcc@gmail.com>
4455
4456         * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
4457         COMPONENT_REFs.
4458         * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
4459         hashing trees instead of a pointer hash.
4460         (mem_attrs_htab_eq): Do a deep compare instead of a pointer
4461         compare for MEM_EXPR.
4462
4463         PR rtl-optimization/25130
4464         * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
4465         when comparing MEMs for GCSE
4466
4467 2006-01-03  Ben Elliston  <bje@au.ibm.com>
4468
4469         * targhooks.h (default_decimal_float_supported_p): Declare.
4470         * targhooks.c (default_decimal_float_supported_p): Define.
4471         * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
4472         `default_decimal_float_supported_p'.
4473         * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
4474
4475 2006-01-02  Adam Nemet  <anemet@caviumnetworks.com>
4476
4477         * combine.c (apply_distributive_law <SUBREG>): Check
4478         TRULY_NOOP_TRUNCATION.
4479
4480 2006-01-02  Geoffrey Keating  <geoffk@apple.com>
4481
4482         * dwarf2out.c (have_switched_text_section): Delete.
4483         (have_multiple_function_sections): New.
4484         (have_location_lists): Make 'bool'.
4485         (add_AT_loc_list): Use 'true' not '1'.
4486         (dwarf2out_switch_text_section): Set have_multiple_function_sections.
4487         (output_loc_list): Use have_multiple_function_sections.
4488         (output_ranges): Likewise.
4489         (dwarf2out_begin_function): Set have_multiple_function_sections if
4490         necessary.
4491         (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
4492         Check function_section rather than DECL_SECTION_NAME.
4493         (dwarf2out_finish): Use have_multiple_function_sections.
4494         Don't clear have_location_lists.
4495
4496 2006-01-02  Eric Botcazou  <ebotcazou@adacore.com>
4497             Jan Hubicka  <jh@suse.cz>
4498
4499         * cfglayout.c (fixup_reorder_chain): Remove kludge for the
4500         case of conditional jump jumping to the next instruction.
4501         * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
4502         cases of conditional jump jumping to the next instruction.
4503
4504 2006-01-02  Jan Hubicka  <jh@suse.cz>
4505
4506         * i386.c (*_cost): Add COSTS_N_INSNS.
4507         (ix86_rtx_costs): Do not use COSTS_N_INSNS.
4508
4509 2006-01-02  Paolo Bonzini  <bonzini@gnu.org>
4510
4511         PR target/25259
4512         * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
4513
4514 2006-01-02  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
4515
4516         * config/arm/arm.c (all_fpus): Fix comment typo.
4517         * config/darwin.c: Likewise.
4518         * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
4519         * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
4520         * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
4521
4522 2006-01-01  David Edelsohn  <edelsohn@gnu.org>
4523
4524         * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
4525         (rs6000_split_compare_and_swapqhi): New.
4526         * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
4527         (sync_compare_and_swapqhi_internal): New.
4528         * config/rs6000/rs6000-protos.h: Declare.