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* gcc/Makefile.in: Fix the examples about the use of stamps
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
2
3         * Makefile.in: Fix the examples about the use of stamps
4
5 2006-02-15  Michael Matz  <matz@suse.de>
6
7         PR middle-end/22275
8
9         * stor-layout.c (layout_decl): Zero-width bitfields aren't
10         influenced by maximum_field_alignment or DECL_PACKED.
11         (update_alignment_for_field): Ditto.
12         (place_field): Ditto.
13         * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
14         this behaviour.
15
16 2006-02-15  Paolo Bonzini  <bonzini@gnu.org>
17
18         * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
19         (debug_flow_info): Pass it.
20         * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
21         * bb-reorder.c (reorder_basic_blocks): Likewise.
22         * cfgcleanup.c (rest_of_handle_jump2): Likewise.
23         * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
24         * flow.c (life_analysis, recompute_reg_usage): Likewise.
25         * gcse.c (gcse_main, bypass_jumps): Likewise.
26         * ifcvt.c (rest_of_handle_if_conversion): Likewise.
27         * local-alloc.c (rest_of_handle_local_alloc): Likewise.
28         * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
29         * profile.c (compute_branch_probabilities, branch_prob): Likewise.
30         * rtl.h (dump_flow_info): Adjust prototype.
31         * tracer.c (rest_of_handle_tracer, tracer): Likewise.
32         * var-tracking.c (variable_tracking_main): Likewise.
33         * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
34         * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
35         options.
36
37 2006-02-15  Marcin Dalecki <martin@dalecki.de>
38
39         * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
40         construction.
41
42 2006-02-14  Zdenek Dvorak <dvorakz@suse.cz>
43
44         PR tree-optimization/26209
45         * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
46         * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
47         eh edges.
48         * tree-cfg.c (replace_uses_by): Do not alter cfg.
49
50 2006-02-14  Roger Sayle  <roger@eyesopen.com>
51
52         PR middle-end/23670
53         * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
54         (X,Y) and the corresponding symmetry related transformations.
55         (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
56         (X,Y) and its symmetry related transformations.
57
58 2006-02-14  Roger Sayle  <roger@eyesopen.com>
59
60         * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
61         and GEU.
62
63 2006-02-14  Adam Nemet  <anemet@caviumnetworks.com>
64
65         * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
66
67 2006-02-14  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
68
69         PR bootstrap/26053
70         * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
71         support COMDAT group.
72         * configure: Regenerate.
73
74 2006-02-14  Roger Sayle  <roger@eyesopen.com>
75
76         PR middle-end/26279
77         PR middle-end/26280
78         PR middle-end/26283
79         * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
80
81 2006-02-14  Daniel Berlin  <dberlin@dberlin.org>
82
83         Fix PR tree-optimization/26260
84
85         * doc/invoke.texi (max-fields-for-field-sensitive): Document
86         param.
87         * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
88         * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
89         * tree-ssa-structalias.c (create_variable_info_for): Use
90         MAX_FIELDS_FOR_FIELD_SENSITIVE.
91         
92 2006-02-14  Zdenek Dvorak <dvorakz@suse.cz>
93
94         * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
95         Document.
96         * tree-ssa-loop-niter.c (number_of_iterations_ne,
97         number_of_iterations_lt, number_of_iterations_cond): Remember the shape
98         of the ending condition.
99         * tree-ssa-loop-manip.c: Include params.h.
100         (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
101         tree_unroll_loop): New functions.
102         * tree-pass.h (pass_loop_prefetch): Declare.
103         * loop.c (rest_of_handle_loop_optimize): Test for
104         -fprefetch-loop-arrays-rtl.
105         * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
106         * timevar.def (TV_TREE_PREFETCH): New timevar.
107         * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
108         pass_loop_prefetch): New.
109         * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
110         (cleanup_tree_cfg_loop): Call scev_reset.
111         * common.opt (fprefetch-loop-arrays-rtl): Add.
112         * tree-ssa-loop-prefetch.c: New file.
113         * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
114         (new_temp_expr_table): Initialize expr_vars.
115         (free_temp_expr_table): Cleanup expr_vars.
116         (check_replaceable, find_replaceable_in_bb): Prevent accumulating
117         expressions from being merged into one.
118         * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
119         (struct tree_niter_desc): Add control, bound and cmp fields.
120         (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
121         Declare.
122         * Makefile.in (tree-ssa-loop-prefetch.o): Add.
123         (tree-cfgcleanup.o): Add SCEV_H dependency.
124         (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
125         * passes.c (init_optimization_passes): Add pass_loop_prefetch.
126
127 2006-02-14  Richard Guenther  <rguenther@suse.de>
128
129         PR tree-optimization/26258
130         * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
131         in PHI argument processing.
132
133 2006-02-13  Adam Nemet  <anemet@caviumnetworks.com>
134
135         * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
136         new expression in the requested machine mode.
137
138 2006-02-13  Roger Sayle  <roger@eyesopen.com>
139
140         * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
141         directly, instead let do_compare_rtx_and_jump handle this for us.
142         * expr.c (expand_expr_real_1): Likewise.
143         * dojump.c (do_jump_by_parts_greater_rtx): Make static.  Move
144         before do_jump_by_parts_greater.
145         (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
146         * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
147
148 2006-02-13  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
149
150         * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
151
152 2006-02-13  Zdenek Dvorak <dvorakz@suse.cz>
153
154         PR rtl-optimization/26235
155         * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
156         (invariant_expr_equal_p): Handle 'i' and 'n' formats.  Fail on unknown
157         format.
158
159 2006-02-13  Jeff Law  <law@redhat.com>
160
161         * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
162         TRUTH_XOR_EPR.
163
164 2006-02-13  Jakub Jelinek  <jakub@redhat.com>
165
166         PR middle-end/26092
167         * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
168         twice if decl is a builtin.  When trying again, call get_callee_fndecl
169         first to verify it is still a builtin.
170
171 2006-02-13  Geoffrey Keating  <geoffk@apple.com>
172
173         * dwarf2out.c (base_type_die): Don't add AT_name here.
174         (subrange_type_die): Don't add AT_name here.
175         (modified_type_die): Rearrange code flow.  Do add AT_name here.
176
177 2006-02-13  Zdenek Dvorak <dvorakz@suse.cz>
178
179         PR rtl-optimization/26247
180         PR rtl-optimization/26248
181         * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
182
183 2006-02-13  Richard Sandiford  <richard@codesourcery.com>
184
185         * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
186         * config/fixtfdi.c: Likewise.
187         * config/fixunstfdi.c: Likewise.
188         * config/floatditf.c: Likewise.
189
190 2006-02-13  Roger Sayle  <roger@eyesopen.com>
191
192         PR middle-end/24427
193         * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
194         into (X,C2) if C1 is a subset of the bits of C2.  Transform
195         (X&C1)|C2 into X|C2 if C1|C2 == ~0.  Canonicalize (X&C1)|C2 as
196         (X&(C1&~C2))|C2.
197         <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
198
199 2006-02-13  Josh Conner  <jconner@apple.com>
200
201         PR target/25376
202         * varasm.c (function_section): Check for section name before
203         calling select_section on targets that define
204         USE_SELECT_SECTION_FOR_FUNCTIONS.  On other targets, use
205         unlikely_text_section instead of hot_function_section if
206         first_function_block_is_cold.
207
208 2006-02-13  J"orn Rennecke <joern.rennecke@st.com>
209
210         PR middle-end/25335
211         * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
212
213 2006-02-12  Zdenek Dvorak <dvorakz@suse.cz>
214
215         PR rtl-optimization/26222
216         * function.c (assign_stack_temp_for_type): Do not reuse stack slots
217         after tree->rtl expansion.
218         * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
219         before passing it to emit_move_insn.
220
221 2006-02-12  Gabriel Dos Reis  <gdr@integrable-solutions.net>
222
223         * doc/invoke.texi (-Write-strings): Document that it is enabled by
224         default. 
225         * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
226         Clarify documentation.
227         * c-common.h (warn_write_strings): Remove.
228         * c-common.c (warn_write_strings): Likewise.
229         * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
230         default for C++.
231
232 2006-02-12  Roger Sayle  <roger@eyesopen.com>
233
234         PR middle-end/25724
235         * dojump.c (do_jump): Call do_compare_rtx_and_jump.
236         (do_jump_parts_zero_rtx): New function renamed from
237         do_jump_parts_equality_rtx.  Made static.  Add a mode argument.
238         (do_jump_parts_equality_rtx): New function split out from
239         do_jump_parts_equality.  Old implementation renamed as above.
240         Call do_jump_parts_zero_rtx if either operand is zero.
241         (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
242         do all of the heavy lifting.
243         (do_compare_rtx_and_jump): Handle multi-word comparisons by
244         calling either do_jump_by_parts_greater_rtx or
245         do_jump_by_parts_equality_rtx.
246         * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
247         * expmed.c (do_cmp_and_jump): Now multi-word optimization has
248         moved to do_compare_rtx_and_jump, call it directly.
249         * stmt.c (do_jump_if_equal): Remove static prototype.  Add a
250         mode argument.  Call do_compare_rtx_and_jump.
251         (emit_case_nodes): Update calls to do_jump_if_equal.
252
253 2006-02-12  Zdenek Dvorak <dvorakz@suse.cz>
254
255         PR rtl-optimization/26225
256         * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
257
258 2006-02-12  Zdenek Dvorak <dvorakz@suse.cz>
259
260         PR rtl-optimization/26232
261         * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
262
263 2006-02-11  Jason Merrill  <jason@redhat.com>
264
265         PR tree-opt/24365
266         * tree-inline.c (declare_return_variable): Just don't use the
267         modify target if it's a gimple complex reg and the return slot
268         isn't.
269
270 2006-02-11  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
271
272         * doc/contrib.texi: Update my entry.
273
274 2006-02-10  Geoffrey Keating  <geoffk@apple.com>
275
276         * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
277
278 2006-02-10  Diego Novillo  <dnovillo@redhat.com>
279
280         * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
281         expensive.
282
283 2006-02-10  Zdenek Dvorak <dvorakz@suse.cz>
284
285         * doc/invoke.texi (-floop-optimize2): Removed.
286         * toplev.c (process_options): Remove handling of flag_loop_optimize2.
287         * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
288         Test flag_branch_on_count_reg only if HAVE_doloop_end.
289         * common.opt (floop-optimize2): Removed.
290         (fmove-loop-invariants): Enabled by default.
291
292 2006-02-10  Sebastian Pop  <pop@cri.ensmp.fr>
293
294         * tree-if-conv.c (combine_blocks): Free the result of
295         get_loop_exit_edges.
296
297 2006-02-10  Jeff Law  <law@redhat.com>
298
299         * fold-const.c (tree_expr_nonzero_p): Fix thinko.
300
301         PR tree-optimization/26213
302         * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
303         loop trying to follow SSA_NAME_VALUE chains.
304
305 2006-02-10  Richard Guenther  <rguenther@suse.de>
306
307         * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
308         deal with structures that end in implicitly variable sized arrays.
309
310 2006-02-09  Zdenek Dvorak <dvorakz@suse.cz>
311
312         PR rtl-optimization/24762
313         * df-scan.c (df_bb_refs_record): Record correct registers defined on
314         eh edges.
315
316 2006-02-09  Zdenek Dvorak <dvorakz@suse.cz>
317
318         * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
319         (struct ivopts_data): Add regs_used field.
320         (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
321         (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
322         instead of loop_data->regs_used;
323         (free_loop_data): Do not free aux fields for loops.
324         (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
325         and tree_ssa_iv_optimize_finalize.
326
327 2006-02-09  Kaz Kojima  <kkojima@gcc.gnu.org>
328
329         * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
330
331 2006-02-09  J"orn Rennecke <joern.rennecke@st.com>
332
333         PR target/26141
334         * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
335         computing the effective result type.
336
337 2006-02-09  J"orn Rennecke <joern.rennecke@st.com>
338
339         PR inline-asm/16194
340         * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
341         (tree_overlaps_hard_reg_set): Declare.
342         * stmt.c (decl_overlaps_hard_reg_set_p): Now static.  Change return
343         type and signature to match function type expected by walk_tree.
344         (tree_overlaps_hard_reg_set): New function.
345         (decl_conflicts_with_clobbers_p): Rename to:
346         (tree_conflicts_with_clobbers_p).  Take HARD_REG_SET * argument.
347         Use tree_overlaps_hard_reg_set.  Changed caller.
348         * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
349         decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
350         * cris.c (cris_md_asm_clobbers): Likewise.
351
352 2006-02-09  Bernd Schmidt  <bernd.schmidt@analog.com>
353
354         * reload1.c (emit_input_reload_insns): Delete code that tries to
355         inherit using find_equiv_reg.
356
357 2006-02-09  Gabriel Dos Reis  <gdr@integrable-solutions.net>
358
359         * c-common.h (flag_const_strings): Don't declare.
360         * c-common.c (flag_const_strings): Remove.
361         * c.opt (fconst_strings): Remove.
362         * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
363         <OPT_Wwrite_strings>: Don't set flag_const_strings.
364         (c_common_init_options): Don't set flag_const_strings.
365         * doc/invoke.texi (-fno-const-strings): Remove documentation.
366
367 2006-02-09  Richard Earnshaw  <richard.earnshaw@arm.com>
368
369         * arm.md (tlobits_cbranch): New pattern.
370         * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
371         testing a single bit.
372
373 2006-02-09  Andrew Pinski  <pinskia@physics.uc.edu>
374
375         PR tree-opt/26179
376         * tree-ssa-pre.c (create_component_ref_by_pieces):
377         Handle RETURN_DECL like VAR_DECL.
378
379 2006-02-09  Andrew Pinski  <pinskia@physics.uc.edu>
380
381         PR middle-end/26134
382         * fold-const.c (fold_indirect_ref_1): Fold 
383         "*(foo *)&complexfoo" to "__real__ complexfoo"
384         and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
385
386 2006-02-09  Andrew Pinski  <pinskia@physics.uc.edu>
387
388         * tree-flow-inline.h (var_can_have_subvars): 
389         Volatile variables should not have subvariables.
390
391 2006-02-09  Diego Novillo  <dnovillo@redhat.com>
392
393         PR 26180
394         * tree-vrp.c (vrp_int_const_binop): Detect overflow when
395         multiplying unsigned values.
396         Tidy comments.
397
398 2006-02-09  Eric Botcazou  <ebotcazou@libertysurf.fr>
399
400         * config/sparc/sparc.c (tls_call_delay): Fix oversight.
401
402 2006-02-08  Jason Merrill  <jason@redhat.com>
403
404         PR c++/25979
405         * tree.def: Elaborate on difference from MODIFY_EXPR.
406         * doc/c-tree.texi (INIT_EXPR): Likewise.
407         * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
408         (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
409         (gimplify_target_expr): Likewise.
410         (gimplify_cond_expr): Remove target handling.
411         (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
412         (gimplify_expr): Clobber it here.
413         (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
414         Do return slot optimization if we have an INIT_EXPR.
415
416         PR tree-opt/24365
417         * tree-inline.c (declare_return_variable): Also clear 
418         DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
419
420         PR c++/16405
421         * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
422
423         PR middle-end/22439
424         * gimplify.c (gimplify_one_sizepos): Fix typo.
425
426 2006-02-08  Jeff Law  <law@redhat.com>
427
428         PR tree-optimization/21417
429         * tree-ssa-threadedge.c (thread_across_edge): Reject threading
430         across a backedge if the control statement at the end of the
431         block is data dependent on other statements in the same block.
432         (record_temporary_equivalences_from_stmts): Remove over-conservative
433         test for threading across backedges.
434
435         * tree-ssa-dce.c (remove_dead_statement): When removing a dead
436         control statement, handle all three special cases in the same
437         manner as they all have the same desired solution.  No longer
438         special case edge flag updating when the post dominator is
439         the exit block.
440
441 2006-02-08  Roger Sayle  <roger@eyesopen.com>
442
443         * tree.def (CHAR_TYPE): Remove.
444         * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
445         * dwarf2out.c (base_type_die, is_base_type): Likewise.
446         (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
447         (gen_string_type_die): Delete unreachable function.
448
449         * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
450         * tree.c (build_int_cst_wide, type_contains_placeholder_1,
451         type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
452         * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
453         * builtins.c (type_to_class): Likewise.
454         * fold-const.c (fold_convert, build_range_check,
455         merge_ranges): Likewise.
456         * expr.c (count_type_elements): Likewise.
457         * c-pretty-print.c (pp_c_type_specifier): Likewise.
458         * stor-layout.c (layout_type): Likewise.
459         * ipa-type-escape.c (type_to_consider): Likewise.
460         * gimplify.c (omp_firstprivatize_type_sizes,
461         gimplify_type_sizes): Likewise.
462         * explow.c (promote_mode): Likewise.
463         * tree-sra.c (is_sra_scalar_type): Likewise.
464         * varasm.c (output_constant): Likewise.
465         * tree-inline.c (remap_type_1): Likewise.
466         * convert.c (convert_to_pointer, convert_to_real,
467         convert_to_integer, convert_to_complex): Likewise.
468
469 2006-02-08  Daniel Berlin  <dberlin@dberlin.org>
470
471         * df-scan.c (df_def_record_1): A set destination may
472         be a parallel regardless of mode.
473
474 2006-02-08  Roger Sayle  <roger@eyesopen.com>
475
476         PR target/22209
477         * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
478         * config/mips/_tilib.c: Remove.
479         * config/fixtfdi.c: New libgcc source file.
480         * config/fixunstfdi.c: New source file.
481         * config/floatditf.c: New source file.
482         * config/floatunditf.c: New souce file.
483         * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
484         files above instead of config/mips/_tilib.c.
485         * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
486
487 2006-02-08  Jeff Law  <law@redhat.com>
488
489         PR tree-optimization/26169
490         * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
491         threading jumps.
492
493 2006-02-08  Zdenek Dvorak <dvorakz@suse.cz>
494
495         * df.h (DF_REG_SIZE): Return the length of the initialized
496         part of the array.
497
498 2006-02-08  Nathan Sidwell  <nathan@codesourcery.com>
499
500         * gcc/config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
501         __muldf3): Return a correctly signed zero.
502
503 2006-02-08  Paolo Bonzini  <bonzini@gnu.org>
504
505         * passes.c (register_one_dump_file): Accept the current properties
506         instead of pass number.  Adjust call to dump_register.  Remove
507         duplicated code.
508         (register_dump_files): Now a wrapper around...
509         (register_dump_files_1): ... this one.  Do not modify the pass
510         structure.
511         (next_pass_1): Cosmetic fix.
512         (execute_todo): Keep second parameter only.  Use curr_properties
513         instead of fetching it from the pass structure.  Check and set
514         last_verified.
515         (execute_one_pass): Handle TODO_set_props.  Use curr_properties
516         instead of fetching it from the pass structure.  Fix calls to
517         execute_todo.  Update curr_properties and initialize .vcg RTL dump
518         after running the pass.  Reset last_verified.
519         * tree-dump.c (dump_files): Renumber consecutively.  Put .cgraph dump
520         at the beginning.
521         (FIRST_AUTO_NUMBERED_DUMP): New.
522         (dump_register): Remove "num" parameter, assign it within the
523         function.
524         (get_dump_file_name): Modify template for dumps.
525         * tree-dump.h (dump_register): Adjust prototype.
526         * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
527         (PROP_trees): Add PROP_gimple_lomp.
528         (TODO_set_props): New.
529         * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
530         * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
531         * cfgexpand.c (pass_expand): Destroy PROP_trees.
532
533 2006-02-08  Jakub Jelinek  <jakub@redhat.com>
534
535         * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
536         (sparc64-*-linux*): Likewise.
537         * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
538         * config/sparc/t-linux: New file.
539         * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
540         __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
541         (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
542         -m32 -mlong-double-128.
543
544         * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
545         * config/alpha/t-linux: New file.
546         * config/alpha/libgcc-alpha-ldbl.ver: New file.
547
548         * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
549         __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
550         (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
551         * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
552         __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
553         (CPP_ARCH32_SPEC): Remove.
554
555 2006-02-07  Uttam Pawar  <uttamp@us.ibm.com>
556
557         PR tree-optimization/26145
558         * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
559         bbs pointer.
560
561 2006-02-07  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
562
563         PR target/26109
564         * pa.c (attr_length_indirect_call): Don't return length 8 for distances
565         >= 240000 when generating code for SOM runtime.
566         (output_indirect_call): Don't use "b,l" instruction for indirect calls
567         to $$dyncall when generating code for SOM runtime..
568
569 2006-02-07  Dirk Mueller  <dmueller@suse.com>
570
571         PR c++/18150
572         * doc/invoke.texi (-Wsequence-point): Update documentation
573         that -Wsequence-point is implemented for C++ as well.
574
575 2006-02-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
576
577         * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
578         * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
579         (LIB_SPEC): Likewise.
580         * doc/invoke.texi (SPARC options): Document -pthread.
581
582 2006-02-07  Geoffrey Keating  <geoffk@apple.com>
583
584         * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
585         PIC addresses.
586
587 2006-02-07  Roger Sayle  <roger@eyesopen.com>
588
589         * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
590         Correct comment describing BOOLEAN_TYPE.
591
592 2006-02-07  Dirk Mueller  <dmueller@suse.com>
593
594         * c.opt: C++ frontend supports -Wdiv-by-zero.
595         * c-opts.c (c_common_handle_option): Remove dead case.
596
597 2006-02-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
598
599         * configure.ac (TLS assembler check): Do not enable TLS by
600         default on SPARC/Solaris before version 10.
601         * configure: Regenerate.
602
603 2006-02-07  David Edelsohn  <edelsohn@gnu.org>
604
605         * doc/invoke.texi (xl-compat): Document conversion and support
606         routine names.
607
608 2006-02-07  Jeff Law  <law@redhat.com>
609
610         * tree-vrp.c (find_conditional_asserts): Update comments.
611         (simplify_stmt_for_jump_threading): New.
612         (identify_jump_threads, finalize_jump_threads): New.
613         (vrp_finalize): Call identify_jump_threads.
614         (execute_vrp): Call finalize_jump_threads.
615         * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
616         (vrp_element, vrp_data, vrp_element_p): Remove.
617         (vrp_hash_elt, vrp_variables_stack): Remove.
618         (vrp_hash, vrp_eq, record_range): Remove.
619         (simplify_cond_and_lookup_avail_expr): Remove.
620         (extract_range_from_cond): Remove.
621         (thread_across_edge): Relocated into tree-ssa-threadedge.c.
622         (simplify_stmt_for_jump_threading): New.
623         (dom_thread_across_edge): New wrapper.
624         (tree_ssa_dominator_optimize): No longer initialize or
625         finalize any of the VRP datastructures.  Remove iteration
626         step and simplify as a result of removal of iteration step.
627         (pass_dominator): Perform a cfg cleanup after DOM.
628         (dom_opt_finalize_block): Use the new common routines
629         for threading jumps.  Simplify stack management slightly.
630         No longer need to unwind VRP state.
631         (record_equivalences_from_incoming_edge): No longer record
632         VRP information.
633         (eliminate_redundant_computations): No longer call
634         simplify_cond_and_lookup_avail_expr.
635         * tree-flow.h (potentially_threadable_block): Prototype.
636         (thread_across_edge): Likewise.
637         * Makefile.in (OBJS-common):  Add tree-ssa-threadedge.o
638         (tree-ssa-threadedge.o): Add dependencies.
639         * tree-ssa-threadedge.c: New file.
640         * passes.c (init_optimization_passes): Merge PHIs before
641         calling VRP.  Run VRP again late in the SSA optimization pipeline.
642
643 2006-02-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
644
645         * df-core.c (df_set_blocks): Do not dereference function pointers.
646         (df_finish1): Likewise.
647         (df_hybrid_search_forward): Likewise.
648         (df_hybrid_search_backward): Likewise.
649         (df_iterative_dataflow): Likewise.
650         (df_analyze_problem): Likewise.
651         (df_compact_blocks): Likewise.
652         (df_dump): Likewise.
653         * df-scan.c (df_rescan_blocks): Likewise.
654         (df_record_entry_block_defs): Likewise.
655
656         * genconditions.c (write_conditions): Guard the definition of
657         'insn_conditions' with the check on GCC version.
658         (write_writer): Guard the traversal 'insn_conditions' with
659         the check on GCC version.
660
661 2006-02-07  Richard Guenther  <rguenther@suse.de>
662
663         PR c++/26140
664         Revert
665         2006-01-30  Richard Guenther  <rguenther@suse.de>
666         PR c++/23372
667         * gimplify.c (gimplify_target_expr): Handle easy cases
668         without creating a temporary.
669
670 2006-02-07  Pete Steinmetz  <steinmtz@us.ibm.com>
671
672         * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
673         use of float in probability computations.  Use edge probabilities
674         in place of statically computed probabilities.
675         (min_spec_prob): New static variable.
676         (schedule_insns): Initialize it.
677         (GET_SRC_PROB): Removed.
678         * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
679
680 2006-02-07  Alexandre Oliva  <aoliva@redhat.com>
681
682         PR debug/24444
683         * config/ia64/unwind-ia64.c: Revert last change.
684         * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
685         (INCOMING_FRAME_SP_OFFSET): Define.
686
687 2006-02-06  Roger Sayle  <roger@eyesopen.com>
688
689         * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
690
691 2006-02-07  Ben Elliston  <bje@au.ibm.com>
692
693         * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
694         (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
695         (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
696         (ix86_return_in_memory): Handle TDmode.
697         (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
698         (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
699
700 2006-02-06  Richard Sandiford  <richard@codesourcery.com>
701
702         * reorg.c (dbr_schedule): Use dump_file instead of file.
703
704 2006-02-06  Steve Ellcey  <sje@cup.hp.com>
705
706         PR target/25917
707         * config/ia64/predicates.md (extr_len_operand): New predicate.
708         * config/ia64/ia64.md (extv): Tighten constraints.
709         (extzv): Ditto.
710         (*tbit_and_2): Ditto.
711         (*tbit_and_3): Ditto.
712         (*tbit_or_2): Ditto.
713         (*tbit_or_3): Ditto.
714         (*bit_zero): Ditto.
715         (*bit_one): Ditto.
716
717 2006-02-06  Andrew Pinski  <pinskia@physics.uc.edu>
718
719         PR target/23359
720         * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
721
722 2006-02-06  Zdenek Dvorak <dvorakz@suse.cz>
723
724         * tree-vrp.c (execute_vrp): Do not pass dump argument to.
725         loop_optimizer_init and loop_optimizer_finalize
726         * tree-ssa-sink.c (execute_sink_code): Ditto.
727         * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
728         * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
729         tree_ssa_loop_done): Ditto.
730         * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
731         * sched-ebb.c: Include output.h.
732         (schedule_ebbs): Do not use dump argument.
733         * value-prof.h (struct profile_hooks): Remove profile_dump_file.
734         * loop.c (loop_dump_stream): Removed.
735         (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
736         argument.
737         (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
738         emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
739         final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
740         loop_iterations, strength_reduce, record_biv, record_giv,
741         final_giv_value, check_final_value, check_ext_dependent_givs,
742         combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
743         try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
744         dump_file instead of loop_dump_stream.
745         * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
746         argument dump_file.
747         * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
748         dump argument.
749         * flow.c (life_analysis, rest_of_handle_life): Ditto.
750         * haifa-sched.c: Include output.h
751         (schedule_insns, sched_init): Do not use dump argument.
752         * mode-switching.c (optimize_mode_switching): Ditto.
753         * modulo-sched.c (stats_file): Removed.
754         (print_node_sched_params): Do not call argument dump_file.
755         (sms_schedule_by_order, loop_canon_p, sms_schedule,
756         rest_of_handle_sms): Do not use dump argument.  Use dump_file instead
757         of stats_file.
758         * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
759         use dump argument.
760         * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
761         rtl_loop_init, rtl_loop_done): Ditto.
762         * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
763         * predict.c (combine_predictions_for_bb, tree_estimate_probability):
764         Ditto.
765         * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
766         * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
767         * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
768         rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
769         * emit-rtl.c (renumber_insns): Ditto.
770         * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
771         expand_gimple_basic_block, tree_expand_cfg): Ditto.
772         * regclass.c (regclass): Ditto.
773         * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
774         remove_ssa_form, rewrite_out_of_ssa): Ditto.
775         * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
776         convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
777         Ditto.
778         * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
779         * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
780         to regclass.
781         * gcse.c (gcse_file, debug_stderr): Removed.
782         (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
783         rest_of_handle_gcse): Do not use dump argument.
784         (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
785         one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
786         pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
787         compute_code_hoist_vbeinout, compute_code_hoist_data,
788         one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
789         compute_store_table, build_store_vectors, insert_insn_start_bb,
790         insert_store, remove_reachable_equiv_notes, replace_store_insn,
791         store_motion): Use dump_file instead of gcse_file.
792         * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
793         * profile.c (profile_dump_file): Removed.
794         (branch_prob): Use dump_file instead of profile_dump_file.
795         * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
796         dump_file.
797         * tree-ssa-copy.c (dump_copy_of): Ditto.
798         * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
799         dump file to life_analysis.
800         * bt-load.c (branch_target_load_optimize): Ditto.
801         * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
802         renumber_insns.
803         * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
804         regclass, dbr_schedule): Declaration changed.
805         * sched-int.h (sched_init): Declaration changed.
806         * tree-profile.c (tree_profile_dump_file): Removed.
807         (tree_profile_hooks): Removed profile_dump_file hook.
808         * rtl-profile (rtl_profile_dump_file): Removed.
809         (rtl_profile_hooks): emoved profile_dump_file hook.
810         * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
811         changed.
812         * c-gimplify.c (c_genericize): Do not call local variable dump_file.
813         * tree-cfg.c (build_tree_cfg): Ditto.
814         * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
815         * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
816         Declaration changed.
817         * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
818         life_analysis and schedule_insns.
819         * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
820         life_analysis.
821         * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
822         dbr_schedule.
823         * config/mips/mips.c (mips_reorg): Ditto.
824         * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
825         schedule_ebbs.
826
827 2006-02-06  Aldy Hernandez  <aldyh@redhat.com>
828
829         * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
830         (s390_mangle_fundamental_type): New.
831         * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
832         Define.
833
834         * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
835         (alpha_mangle_fundamental_type): New.
836         * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
837         Define.
838
839         * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
840         Define.
841         * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
842         Define.
843         * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
844         (sparc_mangle_fundamental_type): New.
845
846 2006-02-06  Jakub Jelinek  <jakub@redhat.com>
847
848         * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
849         (s390x-*-linux*): Likewise.
850         * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
851         * config/s390/t-linux: New file.
852
853 2006-02-02  Bernd Schmidt  <bernd.schmidt@analog.com>
854
855         * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
856         sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
857
858 2006-02-06  Daniel Berlin  <dberlin@dberlin.org>
859
860         * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
861         (ANTIC_SAFE_LOADS): New macro.
862         (find_or_generate_expression): Add prototype.
863         (set_contains_value): Allow null set for sake of not always having
864         to allocate ANTIC_SAFE_LOADS.
865         (phi_translate): Move placement of AGGREGATE_TYPE_P check.
866         Allow COMPONENT_REF too.
867         (valid_in_set): Allow COMPONENT_REF.
868         Check ANTIC_SAFE_LOADS too.
869         (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
870         (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
871         rename.
872         (can_PRE_operation): Add COMPONENT_REF.
873         (create_component_ref_by_pieces): New function.
874         (create_expression_by_pieces): Use create_component_ref_by_pieces.
875         (insert_aux): Move AGGREGATE_TYPE_P check here.
876         (compute_avail): Set bb local stmt uids.
877         (pass_pre): Use TODO_update_ssa_only_virtuals.
878         
879 2006-02-06  Ben Elliston  <bje@au.ibm.com>
880
881         * configure.ac: Unconditionally disable decimal float by default.
882         * configure: Regenerate.
883
884 2006-02-06  Ben Elliston  <bje@au.ibm.com>
885
886         * read-rtl.c (read_name): Terminate reading on EOF.
887
888 2006-02-06  Ben Elliston  <bje@au.ibm.com>
889
890         * dfp.c (decimal_real_arithmetic): Change second argument type
891         from int to enum tree_code. Do not always return true, but now
892         return result of any call to decimal_do helper functions.
893         * dfp.h (decimal_real_arithmetic): Update prototype.
894
895 2006-02-05  Eric Botcazou  <ebotcazou@libertysurf.fr>
896
897         * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
898
899 2006-02-05  Andrew Pinski  <pinskia@physics.uc.edu>
900
901         PR tree-opt/25251
902         * tree-cfg.c (cleanup_dead_labels): Also don't remove
903         forced labels.
904
905 2006-02-04  Zdenek Dvorak <dvorakz@suse.cz>
906
907         * tree-vrp.c (cfg_loops): Removed.
908         (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
909         Use current_loops instead of cfg_loops.  Pass flags to
910         loop_optimizer_init.
911         * cfgloopmanip.c (fix_loop_structure): Update only available
912         information.
913         * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
914         loop_optimizer_init.
915         * modulo-sched.c (build_loops_structure): Removed.
916         (sms_schedule): Use loop_optimizer_init.
917         * loop-init.c (loop_optimizer_init): Use flags to determine
918         which properties of loops to prepare.
919         (rtl_loop_init): Pass flags to loop_optimizer_init.
920         * tree-ssa-sink.c (execute_sink_code): Ditto.
921         * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
922         * tree-ssa-pre.c (init_pre): Ditto.
923         * cfgloop.h (LOOPS_NORMAL): New.
924         (loop_optimizer_init): Declaration changed.
925
926 2006-02-05  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
927
928         * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
929         * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
930         pa/t-pa.
931         * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
932         pa/t-pa.
933         * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
934         pa/x-ada.
935         * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
936         * pa/t-pa64: Delete quadlib.c rule.
937         * pa/x-ada: Revert last change.
938         * pa/t-pa: Revert last change.  Delete quadlib.c rule.
939
940 2006-02-04  Zdenek Dvorak <dvorakz@suse.cz>
941
942         PR rtl-optimization/26087
943         * rtlanal.c (canonicalize_condition): Do not cross basic block
944         boundaries.
945
946 2006-02-04  Alexandre Oliva  <aoliva@redhat.com>
947
948         PR debug/24444
949         * config/ia64/ia64.c: Include debug.h.
950         (MAX_ARTIFICIAL_LABEL_BYTES): New.
951         (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
952         (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
953         (process_epilogue, process_set, process_for_unwind_directive):
954         Output unwind info only if requested.  Add CFA info if requested.
955         Add new arguments as needed.  Adjust callers.
956         * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
957         incorrect default.
958         (DWARF2_FRAME_INFO): Define to zero.
959         * config/ia64/unwind-ia64.c: Remove code that compensated for
960         the CFA offset error fixed above.
961         * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
962         * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
963         (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
964         -funwind-tables and -fexceptions to enable frame info.
965         (dwarf2out_frame_init): Define initial CFA even if
966         DWARF2_UNWIND_INFO is disabled.  Call initial_return_save if
967         DWARF2_UNWIND_INFO is nonzero, not just defined.
968         (dwarf2out_frame_finish): Output non-EH call frame info only
969         if DWARF2_FRAME_INFO is nonzero.
970         (convert_cfa_to_loc_list,
971         compute_frame_pointer_to_cfa_displacement): Define even if
972         unwind info is not supported.
973         (gen_subprogram_die): Use the above unconditionally.  Remove
974         legacy alternate code.
975         * toplev.c (compile_file): Compile in call to
976         dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
977         (lang_dependent_init): Ditto for dwarf2out_frame_init.
978
979 2006-02-04  David Edelsohn  <edelsohn@gnu.org>
980             Jakub Jelinek  <jakub@redhat.com>
981
982         * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
983         IBM extended float format long double as "g" on powerpc*-linux.
984
985 2006-02-03  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
986
987         PR target/25926
988         * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
989         * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
990
991 2006-02-03  Jason Merrill  <jason@redhat.com>
992
993         PR c++/25979
994         * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
995
996         PR middle-end/25977
997         * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
998         on the return slot if it's an NRV.
999
1000 2006-02-03  Zdenek Dvorak <dvorakz@suse.cz>
1001
1002         * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
1003         (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
1004         rewrite_use): Do not handle USE_OUTER.
1005         (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
1006         add_iv_outer_candidates, may_replace_final_value,
1007         determine_use_iv_cost_outer, rewrite_use_outer): Removed.
1008         (find_interesting_uses_op): Functionality of
1009         find_interesting_uses_outer_or_nonlin moved here.
1010         (find_interesting_uses_outside): Use find_interesting_uses_op.
1011
1012 2006-02-03  Alan Modra  <amodra@bigpond.net.au>
1013
1014         PR target/25960
1015         * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
1016
1017 2006-02-03  Andreas Krebbel  <krebbel1@de.ibm.com>
1018             Ulrich Weigand  <uweigand@de.ibm.com>
1019
1020         PR target/25864
1021         * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
1022         "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
1023         * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
1024         * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr 
1025         and dxr fields.
1026         (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
1027         (s390_rtx_costs): Use the new fields to calculate rtx costs.
1028         (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
1029         Define secondary reloads for TFmode moves.
1030         (constant_modes): Add TFmode.
1031         (NR_C_MODES): Set to 8.
1032         * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
1033         builtin define.
1034         (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
1035         (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
1036         (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS, 
1037         CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
1038         * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf, 
1039         fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
1040         (FPR mode macro): Add TFmode.
1041         (DSF mode macro): New.
1042         (<de>, <dee> mode attributes): Removed.
1043         (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
1044         ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs", 
1045         "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee", 
1046         "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3", 
1047         "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm", 
1048         "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly", 
1049         "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
1050         "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc", 
1051         "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm", 
1052         "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
1053         "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly", 
1054         "*negabs<mode>2", "sqrt<mode>2"):
1055         Changed <de> to <xde>. R constraint replaced by <Rf>.
1056         ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by 
1057         <Rf>.
1058         ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
1059         ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
1060         ("*movtf_64", "*movtf_31"): New insn definitions followed by 5 
1061         splitters.
1062         ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2", 
1063         "extenddftf2", "extendsftf2"): New expanders.
1064         ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee", 
1065         "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
1066         "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
1067         * config/s390/s390.opt (mlong-double-128, mlong-double-64):
1068         New options.
1069         * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
1070         * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2, 
1071         __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
1072         __floatditf): Add a GCC_4.1.0 symbol version tag.
1073         * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
1074         the new options.
1075
1076 2006-02-02  Andrew Pinski  <pinskia@physics.uc.edu>
1077
1078         PR target/25377
1079         * config/i386/i386.c (ix86_function_ok_for_sibcall):
1080         Use targetm.binds_local_p instead of TREE_PUBLIC.
1081
1082 2006-02-02  Roger Sayle  <roger@eyesopen.com>
1083
1084         * tree.h (TYPE_STRING_FLAG): Document that this field may be used
1085         on INTEGER_TYPEs to indicate that it denotes a character type.
1086         * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
1087         signed_char_type_node, unsigned_char_type_node and char_type_node.
1088         * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
1089         INTEGER_TYPE.  Use TYPE_STRING_FLAG to decide whether to emit
1090         a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
1091
1092 2006-02-02  Zdenek Dvorak <dvorakz@suse.cz>
1093             Daniel Berlin  <dberlin@dberlin.org>
1094
1095         * tree-tailcall.c (arg_needs_copy_p): New function.
1096         (eliminate_tail_call): Use arg_needs_copy_p.
1097         (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
1098         (add_virtual_phis): New function.
1099
1100 2006-02-02  Jakub Jelinek  <jakub@redhat.com>
1101
1102         * config/sparc/sparc.c (sparc_output_scratch_registers): Use
1103         #ignore instead of #scratch for %g7 .register directive.
1104
1105 2006-02-02  Andreas Tobler  <a.tobler@schweiz.ch>
1106
1107         * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
1108         object files.
1109
1110 2006-02-02  Bernd Schmidt  <bernd.schmidt@analog.com>
1111
1112         * flow.c (calculate_global_regs_live): Assert that there aren't any
1113         EDGE_FAKE edges.
1114
1115 2006-02-02  Paolo Bonzini  <bonzini@gnu.org>
1116
1117         * tree-flow-inline.h (bsi_after_labels): Rewrite, return
1118         what its name says.
1119         * lambda-code.c (perfect_nestify): Use bsi_insert_before on
1120         bsi_after_labels iterator.
1121         * tree-if-conv.c (find_phi_replacement_condition,
1122         replace_phi_with_cond_modify_expr): Likewise.
1123         * tree-scalar-evolution.c (scev_const_prop): Likewise.
1124         * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
1125
1126 2006-02-02  Diego Novillo  <dnovillo@redhat.com>
1127
1128         * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
1129
1130 2006-02-02  Diego Novillo  <dnovillo@redhat.com>
1131
1132         PR 25990
1133         * tree-cfg.c (move_block_to_fn): Clear out the basic block
1134         array after growing it.
1135
1136 2006-02-01  Steve Ellcey  <sje@cup.hp.com>
1137
1138         PR middle-end/24901
1139         * fold-const.c (fold_checksum_tree): Change type of buf.
1140
1141 2006-02-01  Bernd Schmidt  <bernd.schmidt@analog.com>
1142
1143         * reload.c (push_secondary_reload): Initialize t_icode.
1144
1145 2006-02-01  Jakub Jelinek  <jakub@redhat.com>
1146
1147         * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
1148         -msoft-float -mlong-double-128 only issue a warning, but don't
1149         swich to DFmode long double.
1150
1151 2006-02-01  Hans-Peter Nilsson  <hp@axis.com>
1152
1153         * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
1154         has a constant equivalent, iterate over equivalents for arg0,
1155         calling simplify_relational_operation and if there's a result
1156         cheaper than X, apply fold_rtx and return the result.
1157
1158 2006-02-01  Jan Hubicka  <jh@suse.cz>
1159
1160         * opts.c (no_unit_at_a_time_default): New global variable.
1161         (decode_options): Use it.
1162         * opts.h (no_unit_at_a_time_default): Declare.
1163
1164 2006-02-01  Paul Brook  <paul@codesourcery.com>
1165
1166         * function.c (assign_parm_setup_reg): Use function argument promotion
1167         rules.
1168         * expr.c (expand_expr_real_1): Use function argument promotion rules
1169         for PARM_DECLs.
1170
1171 2006-02-01  Steve Ellcey  <sje@cup.hp.com>
1172
1173         * gcc.c (process_command): Change j to 'unsigned int'.
1174
1175 2006-01-31  Andrew Pinski  <pinskia@physics.uc.edu>
1176
1177         PR middle-end/26001
1178         * expr.c (expand_expr_real_1) <case ARRAY_REF>:
1179         Use the corrected index for the character
1180         out of the string constant.
1181
1182 2006-01-31  Andrew Pinski  <pinskia@physics.uc.edu>
1183
1184         * mode-switching.c (optimize_mode_switching): Fix size
1185         allocated for bb_info[n_entities].
1186
1187 2006-01-31  Andrew Pinski  <pinskia@physics.uc.edu>
1188
1189         * gcc.c (main): Correct type that is allocated for
1190         explicit_link_files.
1191
1192 2006-01-31  Jakub Jelinek  <jakub@redhat.com>
1193
1194         * config/s390/s390.c (init_alignment_context): Set
1195         ALIAS_SET_MEMORY_BARRIER on the MEM.
1196         * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
1197
1198 2006-01-31  Uttam Pawar  <uttamp@us.ibm.com>
1199
1200         PR middle-end/25933
1201         * loop-unroll.c (unroll_loop_runtime_iterations): Free
1202         dom_bbs pointer.
1203         * tree-ssa-live.c (type_var_init): Allocate bitmap after
1204         call to tpa_init.
1205
1206 2006-01-31  Marcin Dalecki  <martin@dalecki.de>
1207
1208         * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
1209         * regrename.c: Ditto.
1210         * tree-ssa-loop-im.c: Ditto.
1211         * tree-dump.c: Ditto.
1212         * tree-complex.c: Ditto.
1213         * genrecog.c: Ditto.
1214         * tree-ssa-threadupdate.c: Ditto.
1215         * tracer.c: Ditto.
1216         * java/class.c: Ditto.
1217         * java/jcf-parse.c: Ditto.
1218         * java/resource.c: Ditto.
1219         * java/except.c: Ditto.
1220         * java/jvspec.c: Ditto.
1221         * java/jcf-write.c: Ditto.
1222         * java/jcf-path.c: Ditto.
1223         * java/gjavah.c: Ditto.
1224         * java/zextract.c: Ditto.
1225         * java/jcf-io.c: Ditto.
1226         * java/jcf.h: Ditto.
1227         * java/buffer.c: Ditto.
1228         * java/lang.c: Ditto.
1229         * java/parse-scan.y: Ditto.
1230         * java/lex.c: Ditto.
1231         * java/lex.h: Ditto.
1232         * cfgloopmanip.c: Ditto.
1233         * postreload-gcse.c: Ditto.
1234         * tree-ssa-loop-manip.c: Ditto.
1235         * postreload.c: Ditto.
1236         * tree-ssa-loop-ch.c: Ditto.
1237         * loop.c: Ditto.
1238         * ipa-cp.c: Ditto.
1239         * cppspec.c: Ditto.
1240         * diagnostic.c: Ditto.
1241         * final.c: Ditto.
1242         * genoutput.c: Ditto.
1243         * gcc.c: Ditto.
1244         * cfghooks.c: Ditto.
1245         * cfgloopanal.c: Ditto.
1246         * objc/objc-act.c: Ditto.
1247         * gcov.c: Ditto.
1248         * genextract.c: Ditto.
1249         * genautomata.c: Ditto.
1250         * pretty-print.c: Ditto.
1251         * genemit.c: Ditto.
1252         * cgraphunit.c: Ditto.
1253         * flow.c: Ditto.
1254         * df-scan.c: Ditto.
1255         * haifa-sched.c: Ditto.
1256         * dominance.c: Ditto.
1257         * dbxout.c: Ditto.
1258         * tree-ssa-loop-ivopts.c: Ditto.
1259         * df-core.c: Ditto.
1260         * mode-switching.c: Ditto.
1261         * modulo-sched.c: Ditto.
1262         * graph.c: Ditto.
1263         * ipa-pure-const.c: Ditto.
1264         * cse.c: Ditto.
1265         * fix-header.c: Ditto.
1266         * web.c: Ditto.
1267         * tree-stdarg.c: Ditto.
1268         * ipa-utils.c: Ditto.
1269         * loop-init.c: Ditto.
1270         * ipa-inline.c: Ditto.
1271         * cfganal.c: Ditto.
1272         * global.c: Ditto.
1273         * alloc-pool.c: Ditto.
1274         * dwarf2out.c: Ditto.
1275         * opts.c: Ditto.
1276         * genattrtab.c: Ditto.
1277         * tree-ssa-loop-ivcanon.c: Ditto.
1278         * predict.c: Ditto.
1279         * timevar.c: Ditto.
1280         * lcm.c: Ditto.
1281         * fortran/gfortranspec.c: Ditto.
1282         * regmove.c: Ditto.
1283         * local-alloc.c: Ditto.
1284         * langhooks.c: Ditto.
1285         * function.c: Ditto.
1286         * tree-vectorizer.c: Ditto.
1287         * gcse.c: Ditto.
1288         * ipa-type-escape.c: Ditto.
1289         * alias.c: Ditto.
1290         * tree-if-conv.c: Ditto.
1291         * profile.c: Ditto.
1292         * ipa.c: Ditto.
1293         * tree-data-ref.c: Ditto.
1294         * loop-unroll.c: Ditto.
1295         * treelang/treetree.c: Ditto.
1296         * calls.c: Ditto.
1297         * bt-load.c: Ditto.
1298         * ggc-common.c: Ditto.
1299         * except.c: Ditto.
1300         * coverage.c: Ditto.
1301         * cselib.c: Ditto.
1302         * tree-cfgcleanup.c: Ditto.
1303         * tree-ssa-pre.c: Ditto.
1304         * cfgcleanup.c: Ditto.
1305         * loop-invariant.c: Ditto.
1306         * loop-iv.c: Ditto.
1307         * ipa-prop.c: Ditto.
1308         * print-tree.c: Ditto.
1309         * conflict.c: Ditto.
1310         * ggc-page.c: Ditto.
1311         * sched-deps.c: Ditto.
1312         * regclass.c: Ditto.
1313         * tree-object-size.c: Ditto.
1314         * combine.c: Ditto.
1315         * bb-reorder.c: Ditto.
1316         * resource.c: Ditto.
1317         * var-tracking.c: Ditto.
1318         * cfgloop.c: Ditto.
1319         * df-problems.c: Ditto.
1320         * reg-stack.c: Ditto.
1321         * tlink.c: Ditto.
1322         * gccspec.c: Ditto.
1323         * sched-rgn.c: Ditto.
1324         * tree-ssa-structalias.c: Ditto.
1325         * tree-ssa-reassoc.c: Ditto.
1326         * config/darwin-c.c: Ditto.
1327         * config/darwin.c: Ditto.
1328         * config/arm/arm.c: Ditto.
1329         * cfgrtl.c: Ditto.
1330         * collect2.c: Ditto.
1331         * reload1.c: Ditto.
1332
1333 2006-01-31  Nicolas Pitre  <nico@cam.org>
1334
1335         * arm.md (smaxsi3): Make aware of smax_m1.
1336         (smax_m1): New.
1337
1338 2006-01-31  Nathan Sidwell  <nathan@codesourcery.com>
1339
1340         * gcc/config/m68k/lb1sf68.asm: Use moveq to load small constants.
1341
1342 2006-01-31  Richard Guenther  <rguenther@suse.de>
1343
1344         * doc/invoke.texi (-msselibm): Document.
1345         * target.h (expand_library_builtin): New target hook.
1346         * builtins.c (expand_builtin): Use expand_library_builtin.
1347         (default_expand_library_builtin): New function.
1348         * gcc.c (LINK_GCC_MATH_SPEC): Define.
1349         (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
1350         (link_gcc_math_spec): Declare.
1351         (static_specs): Add link_gcc_math_spec.
1352         * expr.h (default_expand_library_builtin): Declare.
1353         * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
1354         (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
1355         * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
1356         * config/i386/i386.opt (msselibm): New target option.
1357         * config/i386/i386.c (ix86_builtin_function_variants): New array.
1358         (ix86_init_sse_abi_builtins): New function.
1359         (ix86_expand_library_builtin): Likewise.
1360         (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
1361         (override_options): Handle error conditions wrt -msselibm.
1362         (ix86_builtins): Add function codes for SSE2 ABI builtins.
1363         (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
1364         * doc/extend.texi (__builtin_sse2_*): Document new target specific
1365         builtins.
1366
1367 2006-01-31  Richard Guenther  <rguenther@suse.de>
1368         Paolo Bonzini  <bonzini@gnu.org>
1369
1370         * doc/install.texi (--disable-libgcc-math): Document.
1371
1372 2006-01-30  Marcin Dalecki  <martin@dalecki.de>
1373
1374         * expr.h (expand_normal): new inline function.
1375         * builtins.c: use it, use EXPAND_NORMAL explicitely.
1376         * dojump.c: use it.
1377         * dwarf2out.c: use it.
1378         * expr.c: use it.
1379         * calls.c: use it.
1380         * expmed.c: use it.
1381         * except.c: use it.
1382         * config/sparc/sparc.c: use it.
1383         * config/i386/i386.c: use it.
1384         * config/rs6000/rs6000.c: use it.
1385         * config/arm/arm.c: use it.
1386         * config/mips/mips.c: use it.
1387         * stmt.c: use it, use EXPAND_NORMAL explicitely.
1388
1389 2006-01-30  Roger Sayle  <roger@eyesopen.com>
1390
1391         * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
1392         argv to the appropriate type.
1393
1394 2006-01-30  Zdenek Dvorak <dvorakz@suse.cz>
1395
1396         * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
1397         unreachable code.
1398
1399 2006-01-30  Ulrich Weigand  <uweigand@de.ibm.com>
1400
1401         PR target/26018
1402         * config/s390/s390.c (struct machine_function): New flag
1403         decomposed_literal_pool_addresses_ok_p.
1404         (s390_reorg): Set it before final stage of literal pool transforms.
1405         (s390_decompose_address): Only accept displacements of the form
1406         (minus (label_ref ...) (label_ref ...)) if that flag is set.
1407
1408 2006-01-30  Carlos O'Donell  <carlos@codesourcery.com>
1409
1410         * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
1411         the comparison routine return.
1412
1413 2006-01-30  Michael Matz  <matz@suse.de>
1414
1415         * global.c (find_reg): Only evict for global regs.
1416         Take n_refs into account and dump more info.
1417
1418 2006-01-30  J"orn Rennecke <joern.rennecke@st.com>
1419
1420         PR target/14798:
1421         * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
1422         (pragma_trap, pragma_nosave_low_regs): Likewise.
1423         (current_function_anonymous_args): Likewise.
1424         (sh_deferred_function_attributes): New variable.
1425         (sh_deferred_function_attributes_tail): Likewise.
1426         (print_operand): For '@', look up trap_exit attribute.
1427         (calc_live_regs): Look up trapa_handler attribute.  For trapa
1428         handlers, save/restore fpscr, but don't do any other
1429         interrupt-specific saves.
1430         Don't save r0..r7 if the nosave_low_regs attribute is in effect.
1431         Fix check for partially saved registers to check for SHmedia.
1432         (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
1433         (sh_output_function_epilogue): Don't clear any of the removed
1434         variables.
1435         (sh_insert_attributes): Don't check pragma_interrupt.
1436         Insert deferred attributes.  Check that interrupt attribute is
1437         present for other attributes that require its presence.
1438         (sh_attribute_table): Add new attributes trapa_handler and
1439         nosave_low_regs.
1440         (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
1441         Don't check for pragma_interrupt.  Don't store argument.
1442         * sh.h (pragma_interrupt, sp_switch): Don't declare.
1443         (sh_deferred_function_attributes): Declare.
1444         (sh_deferred_function_attributes_tail): Likewise.
1445         * sh.md (sp_switch_1): Add operand.  Change generator caller.
1446         (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
1447         (*return_i): Don't use when trap_exit attribute is in effect.
1448         (*return_trapa): New insn pattern.
1449         * sh-c.c: New file.
1450         * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
1451         setting c_target_objs and cxx_target_objs.
1452         * t-sh: Add rule for sh-c.o.
1453
1454 2006-01-30  Richard Guenther  <rguenther@suse.de>
1455
1456         PR c++/23372
1457         * gimplify.c (gimplify_target_expr): Handle easy cases
1458         without creating a temporary.
1459
1460 2006-01-30  Nathan Sidwell  <nathan@codesourcery.com>
1461
1462         * vec.h (safe_grow): Remove duplicated line.
1463
1464 2006-01-29  Diego Novillo  <dnovillo@redhat.com>
1465
1466         PR 25874
1467         * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
1468         (expand_omp): ... here.
1469         (expand_omp_parallel): Only remove barriers for combined
1470         parallel+workshare constructs.
1471
1472 2006-01-29  Eric Botcazou  <ebotcazou@adacore.com>
1473
1474         Revert
1475
1476         2005-11-09  Eric Botcazou  <ebotcazou@adacore.com>
1477         * tree.c (build_qualified_type): Chain the new type to the original
1478         type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
1479         a POINTER_TYPE or a REFERENCE_TYPE respectively.
1480         (build_pointer_type_for_mode): Only return unqualified types.
1481         (build_reference_type_for_mode): Likewise.
1482
1483 2006-01-29  Gabriel Dos Reis  <gdr@integgrable-solutions.net>
1484
1485         * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
1486         * Makefile.in (CXX_COMPAT_WARN): Define.
1487         * configure: Regenerate.
1488
1489 2006-01-29  Dorit Nuzman  <dorit@il.ibm.com>
1490
1491         PR tree-opt/25911
1492         * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
1493         to an if check.
1494
1495 2006-01-29  Gabriel Dos Reis  <gdr@integrable-solutions.net>
1496
1497         * toplev.c: Fix thinko.
1498
1499 2006-01-29  Gabriel Dos Reis  <gdr@integrable-solutions.net>
1500             Marcin Dalecki  <martin@dalecki.de>
1501
1502         * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
1503         (push_srcloc): Use XNEW.
1504         (init_asm_output, default_get_pch_validity): Use XNEWVEC.
1505
1506 2006-01-29  Kenneth Zadeck <zadeck@naturalbridge.com>
1507
1508         * df-core.c (df_set_blocks): Deleted all variable.
1509
1510 2006-01-28  Ian Lance Taylor  <ian@airs.com>
1511
1512         * cgraphunit.c (cgraph_assemble_pending_functions): Call
1513         cgraph_output_pending_asms.
1514
1515 2006-01-28  Zack Weinberg  <zackw@panix.com>
1516
1517         * c.opt: Add -W(no-)overlength-strings.
1518         * doc/invoke.texi: Document it.
1519         * c-opts.c (c_common_handle_option): -pedantic implies
1520         -Woverlength-strings, if not explicitly disabled already.
1521         (c_common_post_options): -Woverlength-strings defaults to off, and
1522         is always off for C++.
1523         * c-common.c (fix_string_type): Issue warning about strings longer
1524         than is portable only if warn_overlength_strings.  Rearrange code
1525         a little for clarity.
1526         * configure.in: Check for -Wno-overlength-strings as well before
1527         enabling -pedantic in stage 1.
1528         * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
1529         (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
1530
1531         * genconditions.c (write_header, write_one_condition)
1532         (write_conditions, write_writer): Consolidate very long strings
1533         that were broken up to fit in C89 portable limit.  Don't use
1534         printf when fputs will do.
1535
1536 2006-01-28  Adam Nemet  <anemet@caviumnetworks.com>
1537
1538         * combine.c (simplify_comparison <AND>): Check
1539         TRULY_NOOP_TRUNCATION before start using a subreg.
1540
1541         * config/mips/mips.md (*branch_zero<mode>,
1542         *branch_zero<mode>_inverted, *branch_equality<mode>,
1543         *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
1544         Remove mode check from comparisons.
1545
1546 2006-01-28  Kenneth Zadeck <zadeck@naturalbridge.com>
1547
1548         * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
1549
1550 2006-01-28  Kazu Hirata  <kazu@codesourcery.com>
1551
1552         * expmed.c (const_mult_add_overflow_p): Remove.
1553         * expr.h: Remove the prototype for const_mult_add_overflow_p.
1554
1555         * recog.c (validate_replace_rtx_subexp): Remove.
1556         * recog.h: Remove the prototype for
1557         validate_replace_rtx_subexp.
1558
1559         * integrate.h: Remove the prototype for
1560         copy_decl_for_inlining.
1561         * rtl.h: Remove the prototype for mark_constant_function.
1562         * tree-vectorizer.h: Remove the prototype for
1563         vect_strip_conversion.
1564
1565         * modulo-sched.c (create_partial_schedule,
1566         free_partial_schedule, reset_partial_schedule): Make them
1567         static.
1568
1569         * hooks.c (hook_bool_rtx_int_false): Remove.
1570         * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
1571
1572 2006-01-28  David Edelsohn  <edelsohn@gnu.org>
1573
1574         * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
1575         and -mlong-double-128 are incompatible.
1576         * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
1577         * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
1578         (TARGET_LIBGCC2_CFLAGS): Define.
1579         * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
1580         (TARGET_LIBGCC2_CFLAGS): Same.
1581         * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
1582
1583 2006-01-28  Kazu Hirata  <kazu@codesourcery.com>
1584
1585         PR c/19606.
1586         * c-typeck.c (build_binary_op): Perform implicit casts of
1587         operands before shortening them.
1588
1589         * cfgloopmanip.c (split_loop_bb): Remove.
1590         * cfgloop.h: Remove the prototype for split_loop_bb.
1591
1592         * cfgloop.c (flow_loop_outside_edge_p): Remove.
1593         * cfgloop.h: Remove the prototype for
1594         flow_loop_outside_edge_p.
1595
1596         * emit-rtl.c (init_virtual_regs): Make it static.
1597         * function.h: Remove the prototype for init_virtual_regs.
1598
1599         * recog.c (peephole2_optimize): Make it static.
1600         * recog.h: Remove the prototype for peephole2_optimize.
1601
1602 2006-01-27  H.J. Lu  <hongjiu.lu@intel.com>
1603
1604         * df-scan.c (df_record_entry_block_defs): Check if
1605         INCOMING_RETURN_ADDR_RTX is defined.
1606
1607 2006-01-27  Daniel Berlin  <dberlin@dberlin.org>
1608             Kenneth Zadeck <zadeck@naturalbridge.com>
1609
1610         PR rtl-optimization/24762
1611         * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
1612         * targhooks.c (hook_void_bitmap): New hook prototype.
1613         * targhoohs.h (hook_void_bitmap): Ditto.
1614         * bitmap.h (bitmap_head_def): Moved to coretypes.h.
1615         * coretypes.h (bitmap_head_def): Moved from bitmap.h.
1616         * target.h (live_on_entry): New function pointer.
1617         * df-scan.c (df_all_hard_regs): Removed.
1618         (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
1619         (df_scan_free_internal): Added df->entry_block_defs.
1620         (df_scan_alloc): Ditto.
1621         (df_scan_dump): Ditto.
1622         (df_uses_record): Plumbed flag field properly thru calls.
1623         Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
1624         This part fixes PR24762.
1625         (df_bb_refs_record): Added code to make the frame and arg
1626         pointers live in EH blocks.
1627         (df_refs_record): Added call to df_record_entry_block_defs.
1628         (df_record_entry_block_defs): New function.
1629         * df-core.c: Added comments to describe new artifical defs.
1630         * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
1631         (entry_block_defs): New field in struct df.
1632         (df_all_hard_regs): Deleted.
1633         * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
1634         * df-problems.c (df_ru_bb_local_compute_process_def):
1635         Added code to handle artifical defs in the entry to a function.
1636         (df_ru_bb_local_compute): Ditto.
1637         (df_rd_bb_local_compute_process_def):  Ditto.
1638         (df_rd_bb_local_compute): Ditto.
1639         (df_lr_bb_local_compute): Ditto.
1640         (df_ur_bb_local_compute): Ditto.
1641         (df_urec_bb_local_compute):  Ditto.
1642         (df_chain_create_bb):  Ditto.
1643         (df_ur_local_finalize): Removed entry.
1644         (df_urec_init): Ditto.
1645         (df_urec_local_finalize): Ditto.
1646         (df_ri_bb_compute): Added detection of last use of pseudos.
1647         * Makefile.in (df-scan.o): Updated dependencies.
1648         * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
1649         * config/mips/mips.c (mips_set_live_on_entry): Added.
1650         * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
1651         for target hook.
1652         * dce.c (marked_insn_p): Added code to handle artifical defs.
1653
1654 2006-01-27  H.J. Lu  <hongjiu.lu@intel.com>
1655
1656         * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
1657         intrinsic.
1658         (_mm_cvtsi128_si64): Likewise.
1659         (_mm_cvtsd_si64): Likewise.
1660         (_mm_cvttsd_si64): Likewise.
1661         (_mm_cvtsi64_sd): Likewise.
1662         (_mm_cvtsi64_si128): Likewise.
1663         * config/i386/mmintrin.h (_m_from_int64): Likewise.
1664         (_mm_cvtsi64_m64): Likewise.
1665         (_m_to_int64): Likewise.
1666         (_mm_cvtm64_si64): Likewise.
1667         * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
1668         (_mm_cvttss_si64): Likewise.
1669         (_mm_cvtsi64_ss): Likewise.
1670         (_mm_cvtss_f32): Likewise.
1671
1672 2006-01-27  Carlos O'Donell  <carlos@codesourcery.com>
1673
1674         * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
1675         for pragma redefine_extname.
1676
1677 2006-01-27  Jakub Jelinek  <jakub@redhat.com>
1678
1679         PR target/25864
1680         * libgcc-std.ver: Add GCC_4.1.0 symbol version.
1681         * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
1682         -mno-minimal-toc to previous content.
1683         (bispecs): Remove goal.
1684         * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
1685         * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
1686         compatibility aliases on powerpc-*-*gnu*.
1687         * config/rs6000/libgcc-ppc-glibc.ver: New file.
1688         * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
1689         libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
1690         (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
1691         (ldblspecs): New goal.
1692         * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
1693         * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
1694         _df_to_tf.
1695         * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
1696         L_sf_to_tf or L_df_to_tf is defined.
1697
1698 2006-01-27  David Edelsohn  <edelsohn@gnu.org>
1699             Alan Modra  <amodra@bigpond.net.au>
1700
1701         PR target/25864
1702         * config/rs6000/linux.h (POWERPC_LINUX): Define.
1703         * config/rs6000/linux64.h (POWERPC_LINUX): Define.
1704         * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
1705         * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
1706         * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
1707         * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
1708         (rs6000_override_options): Initialize rs6000_ieeequad.
1709         Initialize TFmode format to ibm_extended_format if not
1710         TARGET_IEEEQUAD.
1711         (rs6000_handle_option): Accept -mabi= ibmlongdouble and
1712         ieeelongdouble.
1713         (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
1714         (rs6000_return_in_memory): Only return IEEEQUAD in memory.
1715         (function_arg_advance): IBM long double passed in two FPRs, not
1716         split.
1717         (function_arg): IBM long double passed in FPRs.
1718         (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
1719         (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
1720         Only multireg GPR aligned.
1721         (rs6000_init_libfuncs): Enable IBM long double functions if not
1722         IEEEQUAD.
1723         (rs6000_generate_compare): Use IBM long double compare if not
1724         TARGET_IEEEQUAD.
1725         * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
1726         (TARGET_IEEEQUAD): Define.
1727         (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
1728         not TARGET_IEEEQUAD.
1729         * config/rs6000/rs6000.md: Enable TFmode patterns if
1730         !TARGET_IEEEQUAD.
1731         * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
1732         * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
1733         and -mlong-double-128 are incompatible.
1734         * doc/invoke.texi (-mabi): Collect options together.  Add
1735         ibmlongdouble and ieeelongdouble.
1736
1737 2006-01-27  Richard Sandiford  <richard@codesourcery.com>
1738
1739         * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
1740         opaque type.
1741         * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
1742         * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
1743         (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
1744         * rtl.h (rtunion_def): Remove rt_ptr.
1745         (X0PTR): Delete.
1746         (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
1747         (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
1748         * config/i386/winnt.c (i386_pe_mark_dllexport)
1749         (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
1750
1751 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
1752
1753         * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
1754
1755 2006-01-26 Alexandre Oliva  <aoliva@redhat.com>
1756
1757         PR other/24829
1758         PR target/24831
1759         * gthr-dce.h: Do not gthrw-ify pthread_once_init,
1760         pthread_key_delete.  From John David Anglin.  gthrw-ify
1761         pthread_getunique_np only if it it's not a macro.  Delete
1762         UNUSED macro.
1763         (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
1764         __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
1765         __gthread_objc_condition_signal, __gthread_key_delete): Add
1766         "__attribute__ ((__unused__))" to unused arguments.
1767         (__gthread_recursive_mutex_init_function): Add missing return.
1768         * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
1769         gthr-posix95.h: Use macro-based approach for name redirection
1770         on targets missing weakref.
1771
1772 2006-01-26  Zack Weinberg  <zackw@panix.com>
1773
1774         * genconditions.c (write_header): In generated code, #ifdef out
1775         all includes and fake declarations, except includes of bconfig.h
1776         and system.h, unless GCC_VERSION >= 3001.  Do not include
1777         gensupport.h in any case.
1778         (write_conditions): Generate a definition of struct c_test.  Add
1779         a comment to the generated #endif.
1780         (write_one_condition): Escape backslashes in string too.
1781         (write_writer): Generated code must escape backslashes and quote
1782         marks (but not newlines) in the strings it writes.
1783         * Makefile.in (build/gencondmd.o): Update dependencies.
1784
1785 2006-01-26  Steve Ellcey  <sje@cup.hp.com>
1786
1787         PR target/25961
1788         * Makefile.in (insn-automata.o): Add header file dependencies.
1789         * genautomata.c: Add includes.
1790
1791 2006-01-26  Steve Ellcey  <sje@cup.hp.com>
1792
1793         PR target/25961
1794         * Makefile.in (insn-automata.o): Add -Wno-error flag.
1795
1796 2006-01-26  Paolo Bonzini  <bonzini@gnu.org>
1797
1798         * configure.ac: Expect target tools paths to be passed from the toplevel
1799         and wrap the detection into AS_SET_VAR_IF.  Extract side-effects out of
1800         AS_SET_VAR_IF.
1801         * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
1802
1803 2006-01-26  Alexandre Oliva  <aoliva@redhat.com>
1804
1805         PR c/25892
1806         * c.opt (Wpointer-sign): Init to -1.
1807         * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
1808         OPT_pedantic, to 0 otherwise.
1809         * doc/invoke.texi: Update.
1810
1811 2006-01-26  Paolo Bonzini  <bonzini@gnu.org>
1812
1813         * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
1814         constants provided by 80387 instructions in the destination mode.
1815
1816 2006-01-26  Richard Guenther  <rguenther@suse.de>
1817             Andrew Pinski  <pinskia@physics.uc.edu>
1818
1819         PR tree-opt/21470
1820         partial PR tree-opt/17064
1821         * tree-ssa-structalias.c (intra_create_variable_infos):
1822         Create heap variables for incoming parameters if
1823         flag_argument_noalias > 1.
1824         (find_what_p_points_to): Look through default defs of
1825         parameter decls.
1826
1827 2006-01-26  Jeff Law  <law@redhat.com>
1828
1829         PR ada/25900
1830         * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
1831         with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
1832         within the VR_RANGE, use the VR_RANGE as the result, not the
1833         VR_ANTI_RANGE.
1834         (adjust_range_with_scev): Reject ranges from SCEV which are out of
1835         bounds for the type.
1836
1837 2006-01-26  Daniel Berlin  <dberlin@dberlin.org>
1838
1839         * tree-ssa-alias.c (maybe_create_global_var): Change
1840         subvar walking to an assertion that we don't have subvar'd variables.
1841
1842 2006-01-26  Andrew Pinski  <pinskia@physics.uc.edu>
1843
1844         PR C/25861
1845         * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
1846         Use a new variable, inner.  PARM_DECLs are always non-weak.
1847
1848 2006-01-26  Shantonu Sen  <ssen@opendarwin.org>
1849
1850         * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
1851         --disable-checking.
1852
1853 2006-01-26  Adam Nemet  <anemet@caviumnetworks.com>
1854
1855         * config/mips/mips.md (*clear_upper32): New combiner pattern.
1856
1857 2006-01-26  Richard Earnshaw  <richard.earnshaw@arm.com>
1858
1859         * arm.md (smaxsi3, sminsi3): Convert to define_expand.
1860         (smax_insn, smin_insn, smax_0, smin_0): New.
1861
1862 2006-01-26  Hans-Peter Nilsson  <hp@axis.com>
1863
1864         PR target/25947
1865         * config/cris/cris.c (cris_order_for_addsi3): New function.
1866         * config/cris/cris-protos.h: Prototype it.
1867         * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
1868         (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
1869         (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
1870         (split for "op.S1 [rx=rx+i],ry (swapped)")
1871         (split for "op(s|u).S1 [rx=rx+i],ry")
1872         (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
1873         Apply cris_order_for_addsi3 when generating addsi3 insns.
1874
1875 2006-01-25  Diego Novillo  <dnovillo@redhat.com>
1876
1877         * tree.h (TREE_RANGE_CHECK): Fix range predicate.
1878         (TREE_BLOCK): Add call to EXPR_CHECK.
1879
1880 2006-01-25  Diego Novillo  <dnovillo@redhat.com>
1881
1882         PR 25886
1883         * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
1884         * tree-pretty-print.c (dump_omp_clause): Extract from ...
1885         (dump_omp_clauses): ... here.
1886         (dump_generic_node): Handle OMP_CLAUSE.
1887         * tree.c (omp_clause_num_ops): New.
1888         (omp_clause_code_name): New.
1889         (tree_code_size): Handle OMP_CLAUSE.
1890         (tree_size): Likewise.
1891         (make_node): Document handling of OMP_CLAUSE.
1892         (tree_node_structure): Handle OMP_CLAUSE.
1893         (omp_clause_check_failed): New.
1894         (omp_clause_range_check_failed): New.
1895         (omp_clause_operand_check_failed): New.
1896         (build_omp_clause): New.
1897         (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
1898         * tree.h (enum omp_clause_code): Declare.
1899         (OMP_CLAUSE_SUBCODE_CHECK): Define.
1900         (OMP_CLAUSE_RANGE_CHECK): Define.
1901         (OMP_CLAUSE_ELT_CHECK): Define.
1902         (omp_clause_check_failed): Declare.
1903         (omp_clause_operand_check_failed): Declare.
1904         (omp_clause_range_check_failed): Declare.
1905         (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
1906         (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
1907         (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
1908         (OMP_CLAUSE_LASTPRIVATE): Likewise.
1909         (OMP_CLAUSE_IF_EXPR): Likewise.
1910         (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
1911         (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
1912         (OMP_CLAUSE_REDUCTION_CODE): Likewise.
1913         (OMP_CLAUSE_REDUCTION_INIT): Likewise.
1914         (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
1915         (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
1916         Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
1917         (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
1918         (OMP_CLAUSE_DEFAULT_KIND): Likewise.
1919         (OMP_CLAUSE_CODE): Define.
1920         (OMP_CLAUSE_SET_CODE): Define.
1921         (OMP_CLAUSE_CODE): Define.
1922         (OMP_CLAUSE_OPERAND): Define.
1923         (struct tree_omp_clause): Declare.
1924         (union tree_node): Add field 'omp_clause'.
1925         * treestruct.def (TS_OMP_CLAUSE): Define.
1926         * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
1927         OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
1928         OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
1929         OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
1930         OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
1931         OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
1932         (OMP_CLAUSE): Define.
1933         * print-tree.c (print_node): Handle OMP_CLAUSE.
1934         * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
1935         * c-typeck.c: Likewise.
1936         * gimplify.c: Likewise.
1937         * c-omp.c: Likewise.
1938         * tree-nested.c: Likewise.
1939         * tree-inline.c: Likewise.
1940         * c-parser.c: Likewise.
1941         * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
1942         clauses.
1943
1944 2006-01-25  Roger Sayle  <roger@eyesopen.com>
1945
1946         PR rtl-optimization/25703
1947         * combine.c (try_combine): Handle zero_extract and strict_low_part
1948         of non-lowpart SUBREGs for constant reg_subword_p set optimization.
1949
1950 2006-01-25  Peter Bergner  <bergner@vnet.ibm.com>
1951
1952         * global.c: Fix comment typos.
1953
1954 2006-01-25  Andrew Pinski  <pinskia@physics.uc.edu>
1955
1956         PR target/25758
1957         * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
1958         Use output_addr_const instead of assemble_name.
1959
1960 2006-01-25  Paolo Bonzini  <bonzini@gnu.org>
1961
1962         * Makefile.in (sched-vis.o): Update dependencies.
1963         * haifa-sched.c (sched_finish): Clear current_sched_info.
1964         * cfg.c (dump_bb_info): New, split from dump_flow_info.
1965         (dump_flow_info): Call it.
1966         * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
1967         a slim RTL dump.
1968         * basic-block.h (dump_bb_info): Declare.
1969         * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
1970         option, and apply options only for dump files whose TDF_RTL,
1971         TDF_TREE, or TDF_IPA bits match.
1972         * rtl.h: Declare new functions exported from sched-vis.c.
1973         * sched-vis.c: Enable also if scheduling is not used.
1974         (print_value): Print the mode of registers if not inside scheduling.
1975         (print_insn): Make it work outside the scheduler.  Beautify the output
1976         a bit.
1977         (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
1978
1979 2006-01-25  Richard Sandiford  <richard@codesourcery.com>
1980
1981         * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
1982         * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
1983         a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
1984         depending on the value of CONSTANT_POOL_ADDRESS_P.
1985         * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
1986         SYMBOL_REF_DECL.
1987         * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
1988         rather than SYMBOL_REF_DECL.
1989         (rtx_constant_pool): Remove const_rtx_sym_htab.
1990         (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
1991         (init_varasm_status): Don't initialize const_rtx_sym_htab.
1992         (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
1993         Remove handling of const_rtx_sym_htab.
1994         (find_pool_constant): Delete.
1995         (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
1996         rather than find_pool_constant.
1997         (get_pool_constant_for_function): Delete.
1998         (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
1999         find_pool_constant.
2000         * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
2001         (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
2002         (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
2003         (SYMBOL_REF_CONSTANT): New macro.
2004         (get_pool_constant_for_function): Delete.
2005         * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
2006         rather than SYMBOL_REF_DECL.
2007         (i386_pe_mark_dllimport): Likewise.
2008         * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
2009         rather than SYMBOL_REF_DECL.
2010         * config/darwin.c (machopic_indirect_data_reference): Likewise.
2011         (machopic_indirect_call_target): Likewise.
2012
2013 2006-01-25  Eric Botcazou  <ebotcazou@adacore.com>
2014
2015         * flow.c (delete_noop_moves): Add missing EOL to dump message.
2016
2017 2006-01-25  Richard Sandiford  <richard@codesourcery.com>
2018
2019         * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
2020
2021 2006-01-25  Kaz Kojima  <kkojima@gcc.gnu.org>
2022
2023         * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
2024
2025 2006-01-24  David Daney  <ddaney@avtrex.com>
2026
2027         PR java/25816
2028         * configure.ac (enable_tls): New enable option.
2029         (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
2030         * configure: Regenerate.
2031         * doc/install.texi (--enable-tls): Document new option.
2032         (--disable-tls): Ditto.
2033
2034 2006-01-24  Richard Henderson  <rth@redehat.com>
2035
2036         * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
2037         * alias.c (true_dependence): Respect it.
2038         (canon_true_dependence, write_dependence_p): Likewise.
2039         * builtins.c (get_builtin_sync_mem): Set it.
2040
2041 2006-01-25  Zdenek Dvorak <dvorakz@suse.cz>
2042
2043         * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
2044         efficient way.
2045
2046 2006-01-24  DJ Delorie  <dj@redhat.com>
2047
2048         * expmed.c (store_bit_field): Don't arbitrarily deny using insv
2049         for storing constants in single-bit bitfields.
2050
2051 2006-01-25  Ben Elliston  <bje@au.ibm.com>
2052
2053         * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
2054
2055 2006-01-24  Andrew Pinski  <pinskia@physics.uc.edu>
2056
2057         PR tree-opt/25860
2058         * tree-ssa-pre.c (phi_translate): Return NULL
2059         for AGGREGATE_TYPE's.
2060
2061 2006-01-24  Zack Weinberg  <zackw@panix.com>
2062
2063         * genautomata.c (process_state_for_insn_equiv_partition):
2064         Use xcalloc for insn_arcs_array.
2065         * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
2066         (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
2067
2068 2006-01-24  Richard Henderson  <rth@redhat.com>
2069
2070         * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
2071         update all callers.
2072
2073 2006-01-23  Paolo Bonzini  <bonzini@gnu.org>
2074
2075         PR rtl-optimization/25890
2076         PR rtl-optimization/25905
2077         * combine.c (expand_compound_operation, expand_field_assignment):
2078         Fail if the bitfield's final position is out of bounds.
2079
2080 2006-01-24  Ian Lance Taylor  <ian@airs.com>
2081
2082         PR middle-end/25930
2083         * cgraphunit.c (cgraph_output_in_order): Don't clear
2084         cgraph_asm_nodes until after asm strings have been output.
2085
2086 2006-01-23  Adam Nemet  <anemet@caviumnetworks.com>
2087
2088         * fix-header.c (read_scan_file): Add new parameter imultilib when
2089         calling register_include_chains.
2090
2091 2006-01-23  Diego Novillo  <dnovillo@redhat.com>
2092
2093         * omp-low.c: Update documentation.
2094
2095 2006-01-23  Andrew Pinski  <pinskia@physics.uc.edu>
2096             Daniel Berlin  <dberlin@dberlin.org>
2097
2098         PR tree-opt/25315
2099         PR tree-opt/25857
2100         * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
2101         return from the function.
2102
2103 2006-01-22  Zack Weinberg  <zackw@panix.com>
2104
2105         * rtl.def (match_code): Add second argument.
2106         * genpreds.c (write_extract_subexp): New function.
2107         (write_match_code): Add path argument.  Use write_extract_subexp.
2108         (write_predicate_expr): Pass path to write_match_code.
2109         (mark_mode_tests): MATCH_CODE applied to a subexpression does
2110         not perform a mode test.
2111         * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
2112         a subexpression does not constrain the top-level code set.
2113         * read-rtl.c (read_rtx_variadic): New function.
2114         (read_rtx_1): Use it; allow AND and IOR to be variadic.
2115         * doc/md.texi: Document new notation.
2116         * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
2117         (cmpsi_operand): ... here, using new notation.
2118
2119 2006-01-22  Zack Weinberg  <zackw@panix.com>
2120
2121         * varray.c: Remove GENERATOR_FILE #ifdefs.
2122
2123 2006-01-22  Zack Weinberg  <zackw@panix.com>
2124
2125         * genautomata.c (output_reserved_units_table): Emit nothing if
2126         description->query_units_num is zero.  Remove extra blank line.
2127         (output_cpu_unit_reservation_p): Short circuit
2128         if description->query_units_num is zero.
2129
2130 2006-01-22  Zack Weinberg  <zackw@panix.com>
2131
2132         * genattrtab.c: Don't include genattrtab.h.  Define ATTR_NONE
2133         and ATTR_SPECIAL (from genattrtab.h).  Don't define num_dfa_decls
2134         nor any of the random handful of variables that used to be necessary
2135         when this program was linked with rtlanal.o.  Prune set of forward
2136         function declarations.
2137         (struct attr_desc): Remove static_p field.
2138         (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
2139         (check_attr_test, make_internal_attr, make_numeric_value): Make static.
2140         (attr_string): Do not read the character one past the length of
2141         the string.
2142         (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
2143         (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
2144         (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
2145         (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
2146         (make_automaton_attrs): New.
2147         (main): Do not call into genautomata.  Call local gen_bypass
2148         and gen_insn_reserv as appropriate.  Call make_automaton_attrs.
2149         Remove special case for insn_alts.
2150         * genautomata.c: Include gensupport.h; not genattrtab.h nor
2151         varray.h (leftover from previous change).  Prune set of forward
2152         function declarations.  Remove state_alts fields from all
2153         structures.  Remove state_alts_table from struct automaton.
2154         Make everything except main static.  Do not maintain num_dfa_decls.
2155         Do not maintain state_alts fields of various structures.
2156         (process_decls): Don't validate condexp for dm_insn_reserv decls.
2157         (add_arc): Remove state_alts argument.  All callers updated.
2158         (output_reserved_units_table): Emit #ifdef here...
2159         (output_tables): ...not here.  Don't generate state_alts tables.
2160         (expand_automata): Don't generate attributes.
2161         (write_automata): Don't generate state_alts functions.
2162         (main): New function.
2163         (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
2164         (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
2165         (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
2166         (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
2167         (BYPASS_P_FUNC_NAME, output_state_alts_table)
2168         (output_automata_list_state_alts_code, output_internal_state_alts_func)
2169         (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
2170         (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
2171         Delete.
2172         * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
2173         * genattrtab.h: Delete file.
2174         * Makefile.in (OBJS-common): Add insn-automata.o.
2175         (insn-automata.o): New rule.
2176         (simple_generated_c): Add insn-automata.c.
2177         (build/genattrtab.o, build/genautomata.o): Update dependencies.
2178         (genprogmd): Add automata.
2179         (build/genattrtab): Needs no extra objects nor libraries.
2180         (build/genautomata): Needs build/vec.o and -lm.
2181
2182 2006-01-22  Zack Weinberg  <zackw@panix.com>
2183
2184         * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
2185         (output_dfa_max_issue_rate, locked_states_num): Delete.
2186         (struct automaton): Add locked_states field.
2187         (output_dead_lock_vect): Save number of locked states in
2188         automaton->locked_states.  If it is zero, don't print anything.
2189         (output_max_insn_queue_index_def): Define max_insn_queue_index const.
2190         (output_internal_dead_lock_func): Only test the dead_lock_vect
2191         for automata that have locked states.
2192         (output_statistics): Always print the number of locked states for
2193         each automaton.  Calculate total number of locked states here.
2194         (write_automata): Don't call output_dfa_max_issue_rate.
2195         * genattrtab.c: Define length_unit_log as a const variable.
2196         * genattr.c: Don't emit MAX_DFA_ISSUE_RATE.  Declare
2197         max_insn_queue_index const.
2198         * final.c (length_unit_log): Declare const.
2199         * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
2200
2201 2006-01-22  Zack Weinberg  <zackw@panix.com>
2202
2203         * genautomata.c:  Include vec.h, not varray.h.
2204         Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
2205         VLA_HWINT_ macros.  Change vla_hwint_t to a typedef for
2206         VEC(vect_el_t,heap) *.  Convert all uses of VLA_* macros to
2207         VEC_* macros operating on appropriately typed vectors, or to
2208         malloced arrays when the size is known in advance.  Const-ify
2209         many char* variables and function arguments.  No functional changes.
2210         * Makefile.in (build/varray.o): Delete rule.
2211         (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
2212         (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
2213
2214 2006-01-22  Zack Weinberg  <zackw@panix.com>
2215
2216         * gensupport.c: Define get_insn_name and record_insn_name here.
2217         (read_md_rtx): Call record_insn_name as appropriate.
2218         * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
2219         * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
2220         * genpreds.c, genrecog.c: Don't define get_insn_name nor
2221         record_insn_name.
2222         * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
2223         (BUILD_VARRAY): Delete.
2224         (genprognormal): Rename genprogmd.  Fold in all programs from
2225         genprognoprint; also attrtab.
2226         (build/genattrtab): Just mention genautomata.o and varray.o.
2227         Reorganize a bit, add comments to make the categories clearer.
2228
2229 2006-01-22  Zack Weinberg  <zackw@panix.com>
2230
2231         * genconditions.c (condition_table, add_condition): Delete.
2232         (write_conditions): Don't emit n_insn_conditions nor
2233         insn_elision_unavailable.  Issue the gcc version #ifdef here,
2234         inside the table, with no #else clause ...
2235         (write_header): ...not here.
2236         (write_writer): New function.
2237         (main): Don't initialize condition_table.  Use add_c_test.
2238         Call write_writer.
2239         * gensupport.c (init_md_reader_args_cb): Handle multiple input
2240         files on the command line.
2241         (maybe_eval_c_test): Don't check insn_elision_unavailable.
2242         Return -1 if there is no entry in the table, don't abort.
2243         (add_c_test, traverse_c_tests): New functions.
2244         * gensupport.h (insn_elision_unavailable, insn_conditions)
2245         (n_insn_conditions): Delete declarations.
2246         (add_c_test, traverse_c_tests): Declare.
2247         * read-rtl.c: Include gensupport.h.
2248         (read_conditions): New function.
2249         (read_rtx): If read_rtx_1 returns 0, treat as EOF.
2250         (read_rtx_1): If we get EOF when we were looking for an initial
2251         open paren, return 0.  Call read_conditions when appropriate.
2252         * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
2253         dummy-conditions.o.  Eliminate references to insn-conditions.o,
2254         or change them to build/gencondmd.o, as appropriate.  Remove
2255         insn-constants.h from $(simple_generated_h) and insn-conditions.c
2256         from $(simple_generated_c).  For all files remaining in those
2257         two lists, add insn-conditions.md to the generator command line.
2258         Give insn-constants.h/s-constants their own rules.  Add rules
2259         for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
2260         (build/read-rtl.o): Depend on gensupport.h.
2261         (genprognormal): Include preds.
2262         (genprogearly): Rename genprognoprint; only difference is now that
2263         they don't link with $(BUILD_PRINT).
2264         * dummy-conditions.c: Delete.
2265
2266 2006-01-22  Zack Weinberg  <zackw@panix.com>
2267
2268         * genextract.c: Don't include insn-config.h.  Do include vec.h.
2269         Declare vectors of int, char, and locstr.
2270         (locstr): New typedef.
2271         (struct extraction): Make all array fields into bare pointers.
2272         (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
2273         (insn_code_number): Delete.
2274         (accum_extract): New struct.
2275         (VEC_safe_set_locstr, VEC_char_to_string): New functions.
2276         (gen_insn): Take insn_code_number as an argument.  Use an
2277         accum_extract structure instead of loading data directly into
2278         a struct extraction, and having to know how big it might get.
2279         (walk_rtx): Operate entirely on an accum_extract structure.
2280         (print_path): Avoid unnecessary use of printf.
2281         (print_header): New function, split out of main.  Distinguish
2282         more carefully between an unrecognizable insn and an insn that
2283         has the code number of a define_expand.
2284         (main): Pass insn_code_number to gen_insn.  Call print_header
2285         only after parsing.  Avoid unnecessary use of printf.
2286         * Makefile.in (build/vec.o): New rule.
2287         (build/genextract): Depend on build/vec.o.
2288         (build/genextract.o): Don't depend on insn-config.h.
2289
2290 2006-01-22  Zack Weinberg  <zackw@panix.com>
2291
2292         * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
2293         $(RUN_GEN).  Use pattern rules to factor out as much boilerplate as
2294         practical.  Eliminate per-generator-program link rules.
2295
2296 2006-01-23  Andrew Pinski  <pinskia@physics.uc.edu>
2297
2298         PR middle-end/24437
2299         * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
2300         with a call expr to ...
2301         * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
2302
2303 2006-01-23  Richard Guenther  <rguenther@suse.de>
2304
2305         * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
2306         before make_edge with conditional EDGE_TRUE_VALUE.
2307
2308 2006-01-23  Steven Bosscher  <stevenb.gcc@gmail.com>
2309         Jan Hubicka  <jh@suse.cz>
2310         Richard Guenther  <rguenther@suse.de>
2311
2312         PR rtl-optimization/25654
2313         * cfgexpand.c (aggregate_contains_union_type): New function.
2314         (add_alias_set_conflicts): Call it.  Make sure to add conflicts
2315         for structure variables that contain a union type.
2316
2317 2006-01-23  Richard Sandiford  <richard@codesourcery.com>
2318
2319         * gengtype.c (new_structure): Return the structure.
2320         (create_option): Add an extra "next" argument.
2321         (create_field): New function.
2322         (adjust_field_rtx_def): Use create_option and create_field.
2323         Remove a now-unnecessary call to find_structure.
2324         (adjust_field_tree_def): Likewise.
2325         (note_yacc_type): Remove an unnecessary call to find_structure.
2326         * gengtype.h (new_structure): Return the structure.
2327         (create_option): Add an extra argument.
2328         * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
2329         (option): Adjust calls to create_option.
2330
2331 2006-01-22  David Edelsohn  <edelsohn@gnu.org>
2332
2333         * config/rs6000/aix.h (STACK_BOUNDARY): Define.
2334
2335 2006-01-22  Paul Brook  <paul@codesourcery.com>
2336         Peter Barada  <peter@the-baradas.com>
2337
2338         * config/m68k/m68k.md: Add Coldfire FPU support.
2339         Define FP mode macro and associated attributes.
2340         Use it for float mode patterns.
2341         * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
2342         (LIBCALL_VALUE): Use m68k_libcall_value.
2343         * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
2344         (m68k_function_value): Ditto.
2345         (emit_move_sequence): Ditto.
2346         * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
2347         * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
2348         * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
2349         (MULTILIB_EXCEPTIONS): Ditto.
2350         * config/m68k/m68k.opt: Add mcfv4e.
2351         * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
2352         (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
2353         (m68k_output_function_prologue): Save ColdFire FPU registers.
2354         (m68k_output_function_epilogue): Restore ColdFire FPU registers.
2355         (force_mode, fp_reg_operand, emit_move_sequence): New functions.
2356         (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
2357         ColdFire FPU registers.
2358         (m68k_libcall_value, m68k_function_value): New functions.
2359         * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
2360         (LIBCALL_VALUE): Use m68k_libcall_value.
2361         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
2362         (MASK_COLDFIRE): Add MASK_CFV4E.
2363         (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
2364         (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
2365         (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
2366         (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
2367         (GO_IF_LEGITIMATE_ADDRESS): Use it.
2368         (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
2369         * doc/invoke.tex: Document -mcfv4e on m68k.
2370
2371 2006-01-22  Ranjit Mathew  <rmathew@gcc.gnu.org>
2372
2373         * doc/contribute.texi: Change CVS to SVN and update the corresponding
2374         URL.
2375
2376 2006-01-21  Gabriel Dos Reis  <gdr@integrable-solutions.net>
2377
2378         PR c++/16190
2379         * c-opts.c (c_common_handle_option): Don't include
2380         -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
2381         * doc/invoke.texi (C++ Dialect Options): Document that
2382         -Wnon-virtual-dtor is no longer included in -Wall.
2383
2384 2006-01-21  Joseph S. Myers  <joseph@codesourcery.com>
2385
2386         * gcov.c (print_version), gcov-dump.c (print_version),
2387         mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
2388         dates.
2389
2390 2006-01-21  Kenneth Zadeck <zadeck@naturalbridge.com>
2391
2392         * df-scan.c (problem_SCAN): Added NULL reset function.
2393         (df_scan_reset_blocks): Added code to call reset block function
2394         (df_bb_refs_delete) Fixed comment.
2395         (df_insn_refs_delete): Made tolerant of deleting non existent info
2396         for dataflow problems that need to be reset.
2397         * df-core.c (df_set_blocks): Ditto.
2398         * df.h (struct df_problem): Added reset_fun.
2399         * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
2400         problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
2401         (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
2402         functions to clear out all references to def-use or use-def chains.
2403
2404 2006-01-21  Ben Elliston  <bje@au.ibm.com>
2405
2406         * varasm.c (assemble_real): Initialise data array.
2407
2408 2006-01-20  Paul Brook  <paul@codesourcery.com>
2409
2410         Merge from csl-arm-branch.
2411         2005-09-21  Kazu Hirata  <kazu@codesourcery.com>
2412         * config/arm/arm.md (movdi): Force operands[1] to a register
2413         if we have a non-register source.
2414         (*arm_movdi, *movdf_soft_insn): Require that one of the
2415         operands be a register.
2416         * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
2417         * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
2418
2419 2006-01-20  DJ Delorie  <dj@redhat.com>
2420
2421         * varasm.c (initialize_constant_valid_p): Allow pointers
2422         initialized from integer constants of lesser precision.
2423         (output_constant): Allow non-int-sized pointer modes to be
2424         initialized from integer constants.
2425
2426 2006-01-20  Joseph S. Myers  <joseph@codesourcery.com>
2427
2428         PR libstdc++/25524
2429         * cppdefault.h (struct default_include): Add multilib flag.
2430         * cppdefault.c (cpp_include_defaults): Set it.
2431         * c.opt (-imultilib): New option.
2432         * c-opts.c (imultilib): New.
2433         (c_common_handle_option): Handle -imultilib.
2434         (c_common_post_options): Likewise.
2435         * c-incpath.c (add_standard_paths, register_include_chains):
2436         Likewise.
2437         * c-incpath.h (register_include_chains): Add extra parameter.
2438         * gcc.c (do_spec_1): Generate -imultilib option.
2439         (The Specs Language): Update %I description.
2440         (process_command): Update copyright notice.
2441         * doc/cppopts.texi (-imultilib): Document.
2442         * doc/invoke.texi (-imultilib): Include in option summary.
2443         (%I): Update specs documentation.
2444
2445 2006-01-20  Zdenek Dvorak <dvorakz@suse.cz>
2446
2447         * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
2448
2449 2006-01-20  Richard Sandiford  <richard@codesourcery.com>
2450
2451         * stmt.c (case_bit_test_cmp): Stabilize the sort using code
2452         label numbers.
2453
2454 2006-01-20  Richard Guenther  <rguenther@suse.de>
2455         Steven Bosscher <stevenb.gcc@gmail.com>
2456
2457         PR rtl-optimization/24626
2458         * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
2459         EDGE_TRUE_VALUE if in RTL mode.
2460
2461         Revert
2462         2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
2463         * cfgrtl.c (rtl_verify_flow_info_1): Fix.
2464
2465 2006-01-20  Dirk Mueller  <dmueller@suse.com>
2466
2467         PR c++/5520
2468         * c-parser.c (c_parser_if_body): Use build_empty_stmt()
2469         instead of a special NOP marker.
2470         * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
2471         NOP marker handling.
2472         * c-common.h (empty_body_warning): Add forward declaration.
2473         * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
2474         Now uses IS_EMPTY_STMT() instead of special NOP markers.
2475
2476 2006-01-20  Paul Brook  <paul@codesourcery.com>
2477
2478         * Makefile.in (lang_checks): Keep going if mkdir fails.
2479
2480 2006-01-19  Kenneth Zadeck <zadeck@naturalbridge.com>
2481
2482         * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
2483         be able to clean out basic block when not necessary.
2484         (df_scan_free): Fixed to properly delete information if df is
2485         unused before calling df_finish.
2486         (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
2487         df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
2488         or comment typos.
2489         (df_bb_refs_delete): New function.
2490         (df_refs_delete): Moved per block code to df_bb_refs_delete.
2491         * df-core.c (df_set_blocks): Added code to properly clean out
2492         unused blocks if they are not part of the blocks to consider.
2493         Added additional null check.
2494         (df_compact_blocks): Added basic block parameter to free_bb_fun to
2495         be able to clean out basic block when not necessary
2496         * df.h (df_free_bb_function): Ditto.
2497         (df_bb_refs_delete): New function.
2498         * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
2499         df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
2500         basic block parameter to be able to clean out basic block when not
2501         necessary.
2502         (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
2503         (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
2504         Fixed to properly delete information if df is unused before
2505         calling df_finish.
2506
2507 2006-01-19  Kenneth Zadeck <zadeck@naturalbridge.com>
2508
2509         PR rtl-optimization/25799
2510         * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
2511         Corrected confluence operator to remove bits from op2 before oring
2512         with op1 rather than removing bits from op1.
2513         (df_ru_transfer_function): Corrected test on wrong bitmap which
2514         caused infinite loop.  Both of these problems were introduced in
2515         the dataflow rewrite.
2516
2517 2006-01-19  DJ Delorie  <dj@redhat.com>
2518
2519         * reload1.c (find_reload_regs): Note the details of reload
2520         failures in the dump file.
2521         (spill_failure): Likewise.
2522
2523 2006-01-20  Zdenek Dvorak <dvorakz@suse.cz>
2524
2525         * loop-iv.c: Include df.h and hashtab.h.
2526         (enum iv_grd_result): New enum.
2527         (DF_REF_IV, DF_REF_IV_SET): New macros.
2528         (struct biv_entry): New.
2529         (df, bivs): New global variables.
2530         (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
2531         assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
2532         Removed.
2533         (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
2534         iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
2535         analyzed_for_bivness_p, record_biv): New functions.
2536         (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
2537         get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
2538         iv_analyze, biv_p, iv_analysis_done): Work with df representation of
2539         UD chains.
2540         (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
2541         analysed.
2542         (iv_number_of_iterations): Use new interface to iv analysis.
2543         * loop-unroll.c: Do not include varray.h.
2544         (analyze_iv_to_split_insn): Use new interface to iv
2545         analysis.
2546         * loop-unswitch.c (may_unswitch_on): Ditto.
2547         * df.c (df_bitmaps_free): Only work for bbs for that structures are
2548         allocated.
2549         (df_bb_modify): Realloc tables to the new index.
2550         (df_find_use): New function.
2551         * df.h (df_find_use): Declare.
2552         * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
2553         outmode.
2554         * cfgloop.h (struct rtx_iv): Remove analysed field.
2555         (iv_get_reaching_def): Removed.
2556         (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
2557         * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
2558         (loop-iv.o): Add df.h and hashtab.h dependency.
2559         * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
2560
2561 2006-01-20  Alan Modra  <amodra@bigpond.net.au>
2562
2563         PR target/25668
2564         * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
2565         Double TFmode.
2566         (__floatundisf, __floatundidf): Likewise.
2567         * libgcc2.h (IS_IBM_EXTENDED): Define.
2568
2569 2006-01-19  DJ Delorie  <dj@redhat.com>
2570
2571         * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
2572
2573 2006-01-19  Paul Brook  <paul@codesourcery.com>
2574
2575         * gcc/config/arm/arm.c (arm_compute_func_type): Treat all functions
2576         as nothrow when unwinding tables are disabled.
2577
2578 2006-01-19  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2579
2580         PR testsuite/25171
2581         * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
2582         of bit-field" when in system header.
2583
2584 2006-01-19  DJ Delorie  <dj@redhat.com>
2585
2586         * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
2587         the 16 bit shift limit of the m16c.
2588
2589 2006-01-19  Andrew Pinski  <pinskia@physics.uc.edu>
2590
2591         PR target/22099
2592         * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
2593         * config/i386/i386.c (output_set_got): Output the label if we have one
2594         for the TARGET_DEEP_BRANCH_PREDICTION case.
2595
2596 2006-01-19  Jan Hubicka  <jh@suse.cz>
2597             H.J. Lu  <hongjiu.lu@intel.com>
2598             Evandro Menezes <evandro.menezes@amd.com>
2599
2600         * invoke.texi (generic): Document
2601         (i686) Update.
2602         * config.gcc: Make x86_64-* and i686-* default to generic tunning.
2603         * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
2604         TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
2605         (x86_use_incdec, x86_pad_returns): New variables
2606         (TARGET_CPU_DEFAULT_generic): New constant
2607         (TARGET_CPU_DEFAULT_NAMES): Add generic.
2608         (enum processor_type): Add generic32 and generic64.
2609         * i386.md (cpu attribute): Add generic32/generic64
2610         (movhi splitter): Behave sanely when both partial_reg_dependency and
2611         partial_reg_stall are set.
2612         (K8 splitters): Enable for generic as well.
2613         * predicates.md (incdec_operand): Use TARGET_INCDEC
2614         (aligned_operand): Avoid memory mismatch stalls.
2615         * athlon.md: Enable for generic64, new patterns for 128bit moves.
2616         * ppro.md: Enable for generic32
2617         * i386.c (generic64_cost, generic32_cost): New.
2618         (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
2619         (x86_use_leave): Enable for generic64.  (x86_use_sahf,
2620         x86_ext_80387_constants): Enable for generic32.  (x86_push_memory,
2621         x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
2622         x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
2623         x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
2624         x86_partial_reg_dependency, x86_memory_mismatch_stall,
2625         x86_accumulate_outgoing_args, x86_prologue_using_move,
2626         x86_epilogue_using_move, x86_arch_always_fancy_math_387,
2627         x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
2628         Enable for generic.
2629         (x86_use_incdec, x86_pad_returns): New.
2630         (override_options): Add generic32 and generic64, translate "generic"
2631         to generic32/generic64 and "i686" to "generic32", refuse
2632         "generic32"/"generic64" as arch target.
2633         (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
2634         (ix86_reorg): Honor PAD_RETURNS.
2635
2636 2006-01-19  Diego Novillo  <dnovillo@redhat.com>
2637
2638         * tree-pretty-print.c (dump_generic_node): Handle
2639         OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
2640         * cgraph.c (cgraph_expand_queue): Rename from
2641         cgraph_analyze_queue.  Update all users.
2642         * cgraphunit.c (cgraph_assemble_pending_functions): Process
2643         cgraph_expand_queue.
2644         (cgraph_expand_all_functions): Likewise.
2645         (cgraph_finalize_pending_functions): Remove.  Update callers.
2646
2647         * tree.h (OMP_DIRECTIVE_P): Define.
2648         (OMP_PARALLEL_FN): Define.
2649         (OMP_PARALLEL_DATA_ARG): Define.
2650         (OMP_SECTIONS_SECTIONS): Define.
2651         * tree-pass.h (pass_expand_omp): Declare.
2652         * omp-low.c (struct omp_region): Declare.
2653         (struct omp_context): Remove fields 'parallel_type',
2654         'parallel_start_ix' and 'parallel_start_additional_args'.
2655         Update all users.
2656         (struct omp_for_data): Rename from struct expand_omp_for_data.
2657         (omp_regions): New static variable.
2658         (root_omp_region): New static variable.
2659         (find_omp_clause): Make static.
2660         (is_in_combined_parallel_ctx): Remove.
2661         (is_combined_parallel): New.
2662         (extract_omp_for_data): Move earlier in the file.
2663         (workshare_safe_to_combine_p): New.
2664         (get_ws_args_for): New.
2665         (determine_parallel_type): Move earlier in the file.
2666         (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
2667         child function.
2668         (omp_copy_decl): Likewise.
2669         (create_omp_child_function): Likewise.
2670         (lookup_omp_region): New.
2671         (dump_omp_region): New.
2672         (debug_omp_region): New.
2673         (debug_all_omp_regions): New.
2674         (new_omp_region): New.
2675         (scan_omp_parallel): If parallel_nesting_level > 1, the
2676         directive is nested within another parallel directive.
2677         Set OMP_PARALLEL_FN.
2678         (scan_omp_for): Do not try to handle combined parallel+for
2679         cases.
2680         Remove FIXME comment.
2681         (scan_omp_nested): Remove.
2682         (scan_omp_1): Do not call scan_omp_nested when
2683         parallel_nesting_level is > 1.
2684         Do not change the DECL_CONTEXT of local variables found.
2685         (lookup_decl_in_outer_ctx): New.
2686         (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
2687         (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
2688         (lower_reduction_clauses): Rename from expand_reduction_clauses.
2689         (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
2690         If CTX is nested, lookup VAR in the outer context when
2691         building copy assignment.
2692         (lower_send_clauses): Rename from expand_send_clauses.
2693         If CTX is nested, lookup VAR in the outer context when
2694         building copy assignments.
2695         (lower_send_shared_vars): Rename from expand_send_shared_vars.
2696         If CTX is nested, lookup VAR in the outer context when
2697         building copy assignments.
2698         (expand_parallel_call): Rename from build_parallel_call.
2699         Handle combined parallel+workshare cases.
2700         Re-implement to emit code into the CFG.
2701         (list2chain): New.
2702         (expand_omp_parallel): Re-implement to emit code into the CFG.
2703         Call move_sese_region_to_fn to outline the sub-graph
2704         containing the parallel region.
2705         (expand_omp_for_1): Remove.
2706         (expand_omp_for_generic): Re-implement to emit code into the
2707         CFG.
2708         (expand_omp_for_static_nochunk): Likewise.
2709         (expand_omp_for_static_chunk): Likewise.
2710         (expand_omp_for): Likewise.
2711         (expand_omp_sections): Likewise.
2712         (remove_exit_barriers): New.
2713         (expand_omp_synch): New.
2714         (expand_omp): New.
2715         (build_omp_regions_1): New.
2716         (build_omp_regions): New.
2717         (execute_expand_omp): New.
2718         (gate_expand_omp): New.
2719         (pass_expand_omp): Define.
2720         (lower_omp_sections): Rename from expand_omp_sections.
2721         Set OMP_SECTIONS_SECTIONS.
2722         (lower_omp_single_simple): Rename from expand_omp_single_simple.
2723         (lower_omp_single_copy): Rename from expand_omp_single_copy.
2724         (lower_omp_single): Rename from expand_omp_simple.
2725         (lower_omp_master): Rename from expand_omp_master.
2726         (lower_omp_ordered): Rename from expand_omp_ordered.
2727         (lower_omp_critical): Rename from expand_omp_critical.
2728         (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
2729         (lower_omp_for): Re-implement.
2730         (lower_omp_parallel): Re-implement.
2731         (lower_regimplify): Rename from expand_regimplify.
2732         (lower_omp_1): Rename from expand_omp_1.
2733         If there are syntax errors in the program, replace every
2734         OpenMP directive with NOP.
2735         Call lower_omp_* instead of expand_omp_*.
2736         (lower_omp): Rename from expand_omp.
2737
2738         * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
2739         * tree-gimple.h (enum omp_parallel_type): Remove.
2740         (gimple_boolify): Declare extern.
2741         (find_omp_clause, determine_parallel_type): Remove.
2742
2743         * gimple-low.c (lower_omp_directive): New.
2744         (lower_stmt): Call it.
2745         (record_vars_into): Move from ...
2746         (record_vars): ... here.
2747         Call record_vars_into with current_function_decl.
2748
2749         * gimplify.c (struct gimplify_ctx): Remove fields
2750         combined_pre_p and combined_ctxp.  Update users.
2751         (get_formal_tmp_var): Add documentation.
2752         (gimple_boolify): Make extern.
2753         (gimplify_expr_in_ctx): Remove.  Update callers.
2754         (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
2755         will always be a BIND_EXPR.
2756         (gimplify_expr): Handle OMP_RETURN_EXPR.
2757         * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
2758         (OMP_PARALLEL): Add 3 operands.
2759         (OMP_SECTIONS): Add 1 operand.
2760         (OMP_RETURN_EXPR): Define.
2761
2762         * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
2763         (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
2764         * tree-iterator.c (alloc_stmt_list): Assert that we are not
2765         creating a circular free list.
2766         (free_stmt_list): Assert that we are not freeing stmt_list_cache.
2767
2768         * tree-flow.h (move_sese_region_to_fn): Declare.
2769         (record_vars_into): Declare.
2770         * tree-cfg.c (make_omp_sections_edges): New.
2771         (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
2772         OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
2773         OMP_SECTIONS and OMP_SECTION.
2774         (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
2775         (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
2776         (verify_stmt): Do not handle OMP_DIRECTIVE_P.
2777         (gather_blocks_in_sese_region): New.
2778         (struct move_stmt_d): Declare.
2779         (move_stmt_r): New.
2780         (move_block_to_fn): New.
2781         (move_sese_region_to_fn): New.
2782
2783         * passes.c (init_optimization_passes): Schedule
2784         pass_expand_omp after pass_init_datastructures.
2785
2786         * tree-ssa-operands.c (get_expr_operands): Handle
2787         OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
2788         OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
2789
2790 2006-01-19  Jeff Law  <law@redhat.com>
2791
2792         * tree-vrp.c (extract_range_from_assert): Refine the result range
2793         if the variable referenced by the ASSERT_EXPR has a range and
2794         either the tentative result range or the previous range is a
2795         VR_ANTI_RANGE.
2796
2797 2006-01-19  Richard Sandiford  <richard@codesourcery.com>
2798
2799         * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
2800
2801 2006-01-19  Jan Hubicka  <jh@suse.cz>
2802
2803         * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
2804
2805 2006-01-19  Paolo Bonzini  <bonzini@gnu.org>
2806
2807         * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
2808         (expand_compound_operation, expand_field_assignment): Fail if the
2809         bit lengths of an extract operation are out of range.
2810         (make_extraction): Compute wanted_inner_mode based on the position
2811         and length of the extraction.  Make it extraction_mode for non-constant
2812         positions, and do not modify offset in that case.  When generating a
2813         new MEM, use a mode that can hold the extraction while keeping correct
2814         alignment.  Remove code that supported MEMs wrapped by USEs.
2815         (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
2816
2817 2006-01-19  Andreas Krebbel  <krebbel1@de.ibm.com>
2818
2819         * config/s390/s390.md ("Y", "y"): New mode attribute.
2820         ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
2821         "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
2822         "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
2823         "*addsi3_imm_cc", "*addsi3_carry1_cc",
2824         "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
2825         "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
2826         "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
2827         "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
2828         "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
2829         "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
2830         "addsi3", "subsi3"): Insn patterns removed.
2831         ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
2832         "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
2833         "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
2834         "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
2835         "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
2836         "*sub<mode>3_cconly2"): New insn patterns.
2837         ("addsi3", "subsi3"): New expanders.
2838
2839 2006-01-19  Dorit Nuzman  <dorit@il.ibm.com>
2840
2841         * Makefile.in (tree-vect-patterns.o): Add rule for new file.
2842         * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
2843         existing STMT_VINFO_VECTYPE if available.
2844         (vect_mark_relevant): Add special handling for stmts that are
2845         marked as STMT_VINFO_IN_PATTERN_P.
2846         (vect_analyze_loop): Call vect_pattern_recog.
2847         * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
2848         * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
2849         stmt_info.
2850         (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
2851         (vect_recog_func_ptr): New function-pointer type.
2852         * tree-vect-patterns.c: New file.
2853         (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
2854         (vect_recog_dot_prod_pattern, vect_pattern_recog):
2855         (vect_pattern_recog_1): New functions.
2856         (vect_pattern_recog_funcs): New array of function pointers.
2857
2858         * tree-vectorizer.h (ternary_op): New enum value.
2859         * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
2860         declaration. Revised documentation. Removed redundant dump prints.
2861         Removed redundant argument. Added support for reduction patterns.
2862         (vectorizable_reduction): Added support for reduction patterns.
2863         (vect_transform_stmt): Added support for patterns.
2864
2865         * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
2866         * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
2867         * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
2868         (expand_widen_pattern_expr): New function.
2869         (init_optabs): Initialize new optabs udot_prod_optab,
2870         sdot_prod_optab.
2871         * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
2872         (sdot_prod_optab, udot_prod_optab): Define new optabs.
2873         (expand_widen_pattern_expr): New function declaration.
2874         * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
2875         tree-codes.
2876         * tree-inline.c (estimate_num_insns_1): Added cases for new
2877         tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
2878         * tree-pretty-print.c (dump_generic_node): Likewise.
2879         (op_prio): Likewise.
2880         (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
2881         * tree-ssa-operands.c (get_expr_operands): Added case for
2882         DOT_PROD_EXPR.
2883         * tree-vect-patterns.c (widened_name_p): New function.
2884         (vect_recog_dot_prod_pattern): Added function implementation.
2885         * tree-vect-transform.c (get_initial_def_for_reduction): Added
2886         cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
2887         * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
2888         * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
2889
2890         * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
2891         * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
2892         * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
2893         (init_optabs): Initialize new optabs widen_ssum_optab,
2894         widen_usum_optab.
2895         * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
2896         (widen_ssum_optab, widen_usum_optab): Define new optabs.
2897         * tree-vect-generic.c: (expand_vector_operations_1): Check type of
2898         use instead of type of def.
2899         * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
2900         function implementation.
2901         * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
2902         widen_ssumv8hi): New.
2903
2904         * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
2905         patterns.
2906
2907 2006-01-19  Richard Sandiford  <richard@codesourcery.com>
2908
2909         PR c/25805
2910         * c-decl.c (add_flexible_array_elts_to_size): New function.
2911         (finish_decl): Use it.
2912
2913 2006-01-18  Andrew Pinski  <pinskia@physics.uc.edu>
2914
2915         * diagnostic.h: Include options.h.
2916         * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
2917         dependancies for diagnostic.h.
2918         * Makefile.in (DIAGNOSTIC_H): Add options.h.
2919
2920 2006-01-16  Daniel Berlin  <dberlin@dberlin.org>
2921
2922         * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
2923         (ssa_ro_call_cache_valid): Ditto.
2924         * tree-ssa-alias.c (sort_tags_by_id): New function.
2925         (init_transitive_clobber_worklist): Ditto.
2926         (add_to_worklist): Ditto.
2927         (mark_aliases_call_clobbered): Ditto.
2928         (compute_tag_properties): Ditto.
2929         (set_initial_properties): Ditto.
2930         (compute_call_clobbered): Ditto.
2931         (compute_may_aliases):  Call compute_call_clobbered and grouping.
2932         (compute_flow_sensitive_aliasing): Remove clobbering related code.
2933         (compute_flow_insensitive_aliasing): Grouping now happens in our
2934         caller.
2935         (setup_pointers_and_addressables): Remove clobbering related code.
2936         (add_may_alias): Ditto.
2937         (replace_may_alias): Ditto.
2938         (get_nmt_for): Ditto.
2939         (create_global_var):
2940         (is_escape_site): Return an escape_type enumeration.
2941         * tree-flow-inline.h (is_call_clobbered):  Global var does not
2942         imply call clobbered.
2943         (mark_call_clobbered): Take a reason for marking this. Remove
2944         marking of globalness, and cache invalidation.
2945         (clear_call_clobbered): Remove cache invalidation code.
2946         * tree-dfa.c (dump_variable): If details is on, dump the reason
2947         for escaping.
2948         * tree-outof-ssa.c (create_temp): Copy escape mask from original
2949         variable.
2950         * tree-flow.h (struct ptr_info_def): Add escape mask member.
2951         (struct var_ann_d): Ditto.
2952         (enum escape_type): New.
2953         (mark_call_clobbered): Adjust prototype.
2954         * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
2955         are never call clobbered.
2956         Record reasons for escaping.
2957         * tree-ssa-structalias.h (is_escape_site): Update prototype.
2958         * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
2959         (ssa_ro_call_cache_valid): Ditto.
2960         (clobbered_v_may_defs): Ditto.
2961         (clobbered_vuses): Ditto.
2962         (ro_call_vuses): Ditto.
2963         (clobber_stats): New.
2964         (init_ssa_operands): Zero out clobber stats.
2965         (fini_ssa_operands): Print out clobber stats.
2966         (get_call_expr_operands): Pass callee fndecl to
2967         add_call_read_ops).
2968         (add_call_clobber_ops): Remove use of cache.
2969         Add use of PURE_CONST information.
2970         (add_call_read_ops): Remove use of cache.
2971         Add use of static not_read information.
2972
2973 2006-01-18  Alexandre Oliva  <aoliva@redhat.com>
2974
2975         Introduce TLS descriptors for i386 and x86_64.
2976         * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
2977         (TARGET_ANY_GNU_TLS): New macro.
2978         (enum tls_dialect): Added TLS_DIALECT_GNU2.
2979         (struct machine_function): Add tls_descriptor_call_expanded_p.
2980         (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
2981         (ix86_current_function_calls_tls_descriptor): Likewise.
2982         * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
2983         (override_options): Introduce gnu2 tls dialect.
2984         (ix86_frame_pointer_required): Functions containing TLSCALLs are
2985         not leaves.
2986         (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
2987         Likewise.
2988         (legitimize_tls_address): Adjust logic for GNU2 TLS.
2989         (ix86_init_machine_status): Initialize new field.
2990         (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
2991         (ix86_tls_module_base): New.
2992         * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
2993         * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
2994         (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
2995         (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
2996         (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
2997         (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
2998         (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
2999         (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
3000         * config/i386/predicates.md (tls_modbase_operand): New.
3001         (tp_or_register_operand): New.
3002
3003 2006-01-18  Daniel Berlin  <dberlin@dberlin.org>
3004
3005         * ipa-reference.c (check_operand):  Allow FUNCTION_DECL.
3006         (look_for_address_of): Ditto.
3007         (ipa_init): Walk the function decls.
3008         (static_execute): Don't set readonly on FUNCTION_DECL's.
3009
3010 2006-01-18  Roger Sayle  <roger@eyesopen.com>
3011
3012         * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
3013         for shifts where the source and destination registers are different.
3014
3015 2006-01-18  Paul Brook  <paul@codesourcery.com>
3016
3017         Merge from csl-arm-branch.
3018         2005-03-14  Julian Brown  <julian@codesourcery.com>
3019         * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
3020         (aeabi_llsl): Likewise.
3021         (ashrdi3): Likewise.
3022         (aeabi_lasr): Likewise.
3023         (lshrdi3): Likewise.
3024         (aeabi_llsr): Likewise.
3025         2005-03-10  Julian Brown  <julian@codesourcery.com>
3026         * config.gcc: Disable shared libgcc for SymbianOS.
3027         * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
3028
3029 2006-01-18  DJ Delorie  <dj@redhat.com>
3030
3031         * c-pragma.c (handle_pragma_diagnostic): New.
3032         (init_pragma): Register it.
3033         * doc/extend.texi: Document it.
3034
3035         * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
3036         * diagnostic.h (diagnostic_classify_diagnostic): Declare.
3037         (diagnostic_context): Add classify_diagnostic[].
3038         * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
3039         as errors if they're overridden to DK_WARNING.
3040         (diagnostic_initialize): Initialize classify_diagnostic[].
3041         (diagnostic_set_kind_override): New.
3042         (diagnostic_report_diagnostic): Check for kind changes.
3043         * opts.c (common_handle_option): Take lang_mask.  Update callers.
3044         Handle OPT_Werror_.
3045         * common.opt (Werror=): New.
3046         * doc/invoke.texi: Document -Werror=*
3047
3048 2006-01-18  Jeff Law  <law@redhat.com>
3049
3050         * tree-vrp.c (test_for_singularity): Correct test for new
3051         min limit.  Use operand_equal_p rather than pointer equality
3052         for testing if new min/max values are equal.
3053
3054         * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
3055         using range information until after propagation and folding.
3056
3057 2006-01-18  Richard Henderson  <rth@redhat.com>
3058             Aldy Hernandez  <aldyh@redhat.com>
3059             Jakub Jelinek  <jakub@redhat.com>
3060             Diego Novillo  <dnovillo@redhat.com>
3061
3062         * omp-low.c: New file.
3063         * c-omp.c: New file.
3064
3065 2006-01-18  Richard Henderson  <rth@redhat.com>
3066             Jakub Jelinek  <jakub@redhat.com>
3067             Diego Novillo  <dnovillo@redhat.com>
3068
3069         * doc/invoke.texi: Document -fopenmp.
3070         * tree-dump.h (debug_function): Declare.
3071         * hooks.c (hook_bool_tree_bool_false): New function.
3072         (hook_tree_tree_null): Remove.
3073         (hook_tree_tree_tree_null): New.
3074         * hooks.h: Update to match.
3075         * tree-pretty-print.c (debug_tree_chain): New.
3076         (print_generic_expr): Handle TDF_CHAIN.
3077         (dump_generic_node): Handle BLOCK.
3078         Do not abort with incomplete SWITCH_EXPRs.
3079         Do not dump body of an OpenMP directive if TDF_SLIM is given.
3080         <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
3081         print space after directive name.
3082         <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
3083         Handle OMP_MASTER and OMP_ORDERED.
3084         Handle printing of OMP_BODY just in one place, goto
3085         dump_omp_body in the rest of OMP_* nodes that have
3086         OMP_BODY.
3087         Don't handle clause nodes here.  Update omp statements to
3088         use dump_omp_clauses.
3089         Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
3090         OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
3091         OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
3092         GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
3093         GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
3094         GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
3095         Adjust output for GOMP_PARALLEL.
3096         (dump_omp_clauses): New.
3097         (print_declaration): Dump DECL_VALUE_EXPR.
3098         (op_symbol_1): Split out of op_symbol.
3099         (dumping_stmts): Remove.  Update all users.
3100         * cgraph.c (cgraph_analyze_queue): New.
3101         (cgraph_add_new_function): New.
3102         * cgraph.h (cgraph_analyze_queue): Declare.
3103         (cgraph_add_new_function): Declare.
3104         (cgraph_lower_function): Remove.
3105         * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
3106         nodes.  Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
3107         and TYPE_P nodes in its default clause.
3108         (empty_body_p): New.
3109         (tree_range_check_failed): New.
3110         (build5_stat): New.
3111         * tree.h (OMP_CLAUSE_REDUCTION_INIT,
3112         OMP_CLAUSE_REDUCTION_MERGE,
3113         OMP_CLAUSE_REDUCTION_PLACEHOLDER,
3114         OMP_CLAUSE_PRIVATE_DEBUG,
3115         OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
3116         OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
3117         OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
3118         OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
3119         OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
3120         OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
3121         OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
3122         OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
3123         OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
3124         OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
3125         OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
3126         OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
3127         OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
3128         OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
3129         (TREE_RANGE_CHECK): New.
3130         (empty_body_p): Declare.
3131         (enum omp_clause_default_kind): New.
3132         (build_string_literal): Declare.
3133         (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
3134         (build5_stat, build5): Declare.
3135         * tree-pass.h (TDF_CHAIN): Define.
3136         * tree-pass.h (PROP_gimple_lomp): Define.
3137         (pass_lower_omp): Declare.
3138         * diagnostic.h (debug_tree_chain): Declare.
3139         * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
3140         mode_for_size.
3141         (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
3142         * builtins.c (build_string_literal): Make extern.
3143         * gcc.c (include_spec_function): New.
3144         (static_spec_functions): Add it.
3145         (main): Move load of libgomp.spec ...
3146         (LINK_COMMAND_SPEC): ... here.
3147         (link_gomp_spec): New.
3148         (static_specs): Include it.
3149         (LINK_COMMAND_SPEC): Add link_gomp.
3150         (GOMP_SELF_SPECS): New.
3151         (driver_self_specs): Include it.
3152         (switch_matches): Don't mark inline.
3153         (main): Load libgomp.spec.
3154         * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
3155         OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
3156         and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
3157         * tree-gimple.h (enum omp_parallel): Declare.
3158         (determine_parallel_type): Declare.
3159         (omp_firstprivatize_variable): Declare.
3160         (omp_reduction_init): Declare.
3161         (diagnose_omp_structured_block_errors): Declare.
3162         (struct walk_stmt_info): Add want_return_expr.
3163         (struct walk_stmt_info): Add want_bind_expr, want_locations.
3164         (find_omp_clause): Declare.
3165         (insert_field_into_struct): Declare.
3166         (struct walk_stmt_info): Move from tree-nested.c
3167         (walk_stmts): Declare.
3168         * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
3169         to 200505.
3170         * cgraphunit.c (cgraph_lower_function): Make static.
3171         (cgraph_finalize_pending_functions): New.
3172         (cgraph_finalize_function): Call it.
3173         (cgraph_finalize_compilation_unit): Likewise.
3174         * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
3175         BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
3176         (BT_FN_UINT_UINT): New.
3177         (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
3178         DEF_FUNCTION_TYPE_VAR_4): Document.
3179         (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
3180         BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
3181         BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
3182         BT_FN_VOID_OMPFN_PTR_UINT_UINT,
3183         BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
3184         BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
3185         BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
3186         BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
3187         * builtins.def: Update DEF_BUILTIN comment to include COND argument.
3188         Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
3189         into separate files.
3190         (DEF_GOMP_BUILTIN): New.
3191         (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
3192         BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
3193         BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
3194         BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
3195         BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
3196         BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
3197         BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
3198         BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
3199         BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
3200         BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
3201         BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
3202         BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
3203         BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
3204         BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
3205         BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
3206         BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
3207         BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
3208         BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
3209         BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
3210         BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
3211         BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
3212         BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
3213         BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
3214         BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
3215         BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
3216         BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
3217         * sync-builtins.def: New file, moved from builtins.def.
3218         * omp-builtins.def: New file, moved from builtins.def.
3219         * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
3220         * gimple-low.c (lower_function_body): Clear data.
3221         (lower_stmt): Do not handle COMPOUND_EXPR.
3222         Remove call to print_node_brief.
3223         * c-tree.h (c_finish_omp_clauses): New prototype.
3224         (C_DECL_THREADPRIVATE_P): Define.
3225         (lookup_name_no_remap, c_omp_remap_private): Remove
3226         (c_begin_omp_parallel, c_finish_omp_parallel): Update.
3227         (check_for_loop_decls): Update decl.
3228         (lookup_name_no_remap, c_omp_remap_private): Declare.
3229         (build_indirect_ref, build_modify_expr, pushdecl,
3230         pushdecl_top_level): Move to c-common.h.
3231         * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
3232         before the switch, but just in the 2 places that need it.
3233         * c-decl.c (diagnose_mismatched_decls): Do not check for
3234         mismatched thread-local attributes when OLDDECL is marked
3235         threadprivate and NEWDECL has no thread-local attributes.
3236         (merge_decls): Merge C_DECL_THREADPRIVATE_P.
3237         (c_gimple_diagnostics_recursively): Rename from
3238         c_warn_unused_result_recursively.  Invoke
3239         diagnose_omp_structured_block_errors.
3240         (check_for_loop_decls): Return a singular decl found.
3241         * langhooks.c (lhd_omp_predetermined_sharing): Return
3242         OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
3243         (lhd_omp_firstprivatize_type_sizes): New.
3244         (lhd_omp_assignment): New.
3245         (lhd_omp_predetermined_sharing): New.
3246         * langhooks.h (struct gimplify_omp_ctx): Forward declare.
3247         (struct lang_hooks_for_types): Add
3248         omp_firstprivatize_type_sizes, omp_privatize_by_reference,
3249         omp_predetermined_sharing, omp_disregard_value_expr,
3250         omp_private_debug_clause, omp_clause_default_ctor,
3251         omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
3252         (c_finish_omp_clauses): New.
3253         (c_finish_bc_stmt): Diagnose break within omp for.
3254         (c_begin_omp_parallel, c_finish_omp_parallel): New.
3255         (build_unary_op): Return error_mark after reporting
3256         a readonly_error.
3257         (build_modify_expr): Likewise.
3258         * gimplify.c: Include optabs.h and pointer-set.h.
3259         (enum gimplify_omp_var_data): Declare.
3260         (struct gimplify_omp_ctx): Declare.
3261         (struct gimplify_ctx): Add fields prev_context, combined_pre_p
3262         and combined_ctxp.
3263         (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
3264         (push_gimplify_context, pop_gimplify_context): Allow nesting.
3265         (splay_tree_compare_decl_uid): New.
3266         (new_omp_context): New.
3267         (delete_omp_context): New.
3268         (gimple_add_tmp_var): Call omp_add_variable.
3269         (gimplify_bind_expr): Likewise.
3270         (gimplify_var_or_parm_decl): If omp_notice_variable returned
3271         true, disregard DECL_VALUE_EXPR on the decl if any.
3272         (gimplify_expr_in_ctx): New.
3273         (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
3274         omp_add_variable, omp_notice_variable, omp_is_private
3275         gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
3276         gimplify_adjust_omp_clauses, gimplify_omp_parallel
3277         gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
3278         gimplify_omp_atomic_fetch_op, goa_stabilize_expr
3279         gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
3280         gimplify_omp_atomic): New.
3281         (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
3282         OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
3283         OMP_CRITICAL and OMP_ATOMIC.
3284         (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
3285         * c-pragma.h (enum pragma_kind): Add
3286         PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
3287         PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
3288         PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
3289         PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
3290         PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
3291         PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
3292         PRAGMA_OMP_THREADPRIVATE.
3293         * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
3294         OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
3295         OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
3296         OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
3297         OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
3298         OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
3299         OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
3300         OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
3301         OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
3302         * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
3303         * tree-ssa-dce.c (find_control_dependence): Do not assume that
3304         ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
3305         * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
3306         OpenMP directives.
3307         (struct nesting_info): Add field_map,
3308         suppress_expansion, debug_var_chain.
3309         (create_nesting_tree): Initialize them.
3310         (lookup_field_for_decl): Use field_map.
3311         (get_nonlocal_debug_decl, get_local_debug_decl): New.
3312         (convert_local_omp_clauses): New.
3313         (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
3314         (walk_body): Split out of walk_function.
3315         (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
3316         (convert_nonlocal_reference): Handle omp statements.
3317         (convert_local_reference): Likewise.
3318         (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
3319         (unnest_nesting_tree): New.
3320         (lower_nested_functions): Call it.
3321         (insert_field_into_struct): Make extern.
3322         (struct walk_stmt_info): Move to tree-gimple.h.
3323         (walk_stmts): Make extern.
3324         * omp-builtins.def: New file.
3325         * tree-iterator.c (expr_only): Clarify comment.
3326         * c-common.h (pushdecl_top_level, pushdecl,
3327         build_modify_expr, build_indirect_ref,
3328         c_finish_omp_master, c_finish_omp_critical,
3329         c_finish_omp_ordered, c_finish_omp_barrier,
3330         c_finish_omp_atomic, c_finish_omp_flush,
3331         c_finish_omp_for, c_split_parallel_clauses,
3332         omp_clause_default_kind, c_omp_sharing_predetermined,
3333         c_omp_remap_decl): Declare.
3334         * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
3335         (OBJS-common): Add omp-low.o.
3336         (c-omp.o, omp-low.o): Add.
3337         (gimplify.o): Add dependency on $(OPTABS_H).
3338         (GTFILES): Add omp-low.c.
3339         (gt-stringpool.h): Add.
3340         * tree-cfg.c (set_bb_for_stmt): Do not update the
3341         block-to-labels map if we are currently expanding to RTL.
3342         (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
3343         checks.
3344         Handle IDENTIFIER_NODE.
3345         (tree_verify_flow_info): Do not ICE when emitting error
3346         messages about invalid labels.
3347         (dump_function_to_file): Reset CFUN before emitting the body
3348         of the function.
3349         (debug_function): New.
3350         * passes.c (init_optimization_passes): Schedule
3351         pass_lower_omp.
3352         * langhooks-def.h (lhd_omp_predetermined_sharing,
3353         lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
3354         Declare.
3355         (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
3356         (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
3357         (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
3358         LANG_HOOKS_OMP_PREDETERMINED_SHARING,
3359         LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
3360         LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
3361         LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
3362         LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
3363         LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
3364         LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
3365         (LANG_HOOK_DECLS): Use them.
3366
3367 2006-01-18  Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
3368             Richard Henderson  <rth@redhat.com>
3369             Jakub Jelinek  <jakub@redhat.com>
3370             Diego Novillo  <dnovillo@redhat.com>
3371
3372         * c-parser.c (pragma_omp_clause): Define.
3373         (c_parser_declaration_or_fndef): Document OpenMP syntax.
3374         (c_parser_compound_statement): Likewise.
3375         (c_parser_statement): Likewise.
3376         (c_parser_pragma): Handle omp pragmas.
3377         (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
3378         OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
3379         (c_parser_omp_clause_name, check_no_duplicate_clause,
3380         c_parser_omp_variable_list,
3381         c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
3382         c_parser_omp_clause_copyprivate,
3383         c_parser_omp_clause_default,
3384         c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
3385         c_parser_omp_clause_lastprivate,
3386         c_parser_omp_clause_nowait,
3387         c_parser_omp_clause_num_threads,
3388         c_parser_omp_clause_ordered, c_parser_omp_clause_private,
3389         c_parser_omp_clause_reduction,
3390         c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
3391         c_parser_omp_all_clauses, c_parser_omp_structured_block,
3392         c_parser_omp_atomic, c_parser_omp_barrier,
3393         c_parser_omp_critical, c_parser_omp_flush,
3394         c_parser_omp_for_loop, c_parser_omp_for,
3395         c_parser_omp_master, c_parser_omp_ordered,
3396         c_parser_omp_sections_scope, c_parser_omp_sections,
3397         c_parser_omp_parallel, c_parser_omp_single,
3398         c_parser_omp_construct, c_parser_omp_threadprivate): New.
3399         * c-pragma.c (init_pragma): Do omp pragma registration here.
3400         * c.opt (fopenmp): New flag.
3401
3402 2006-01-18  Eric Christopher  <echristo@apple.com>
3403
3404         * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
3405         * config/darwin.h (GOMP_SELF_SPECS): Define.
3406
3407 2006-01-18  Kazu Hirata  <kazu@codesourcery.com>
3408
3409         * rtl.h: Remove the prototype for reg_alloc.
3410
3411 2006-01-18  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3412
3413         PR target/25731
3414         * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
3415         hppa[12]*-*-hpux11*): Override default shared libgcc version for both
3416         sjlj and dwarf2 exception handling.
3417         * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
3418         Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
3419         * pa/pa.c (function_value): Treat complex and vector types as
3420         aggregates.
3421         (function_arg): Likewise.  Only pass scalar floats in the floating
3422         point argument registers.
3423         * pa/t-slibgcc-dwarf-ver: New file.
3424         * pa/t-slibgcc-sjlj-ver: New file.
3425         * pa/t-slibgcc-elf-ver: Delete file.
3426
3427 2006-01-19  Alan Modra  <amodra@bigpond.net.au>
3428
3429         * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
3430         unlikely_test_section_p test.
3431
3432 2006-01-18  Kazu Hirata  <kazu@codesourcery.com>
3433
3434         * mode-switching.c (optimize_mode_switching): Make it static.
3435         * basic-block.h: Remove the prototype for
3436         optimize_mode_switching.
3437
3438         * modulo-sched.c (sms_schedule): Make it static.
3439         * rtl.h: Remove the prototype for sms_schedule.
3440
3441         * postreload-gcse.c (gcse_after_reload_main): Make it static.
3442         * rtl.h: Remove the prototype for gcse_after_reload_main.
3443
3444         * reg-stack.c (reg_to_stack): Make it static.
3445         * rtl.h: Remove the prototype for reg_to_stack.
3446
3447         * regrename.c (regrename_optimize, copyprop_hardreg_forward):
3448         Make them static.
3449         * rtl.h: Remove the prototypes for regrename_optimize and
3450         copyprop_hardreg_forward.
3451
3452 2006-01-18  Eric Botcazou  <ebotcazou@adacore.com>
3453
3454         * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
3455         alpha_split_tmode_pair.  Add 'mode' and 'fixup_overlap' arguments.
3456         Test against the appropriate null constant for the mode.
3457         If 'fixup_overlap' is true, swap the operands if they overlap.
3458         (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
3459         * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
3460         alpha_split_tmode_pair and adjust for above change.
3461         * config/alpha/alpha.md (movtf_internal): Adjust call to
3462         alpha_split_tfmode_pair and rely on it to swap the operands.
3463         (movti_internal): New insn and post-reload splitter.
3464         (movti): New expander.
3465
3466 2006-01-18  Philippe De Muyter  <phdm@macqel.be>
3467
3468         * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
3469         operands.
3470
3471 2006-01-18  Kazu Hirata  <kazu@codesourcery.com>
3472
3473         * rtlanal.c (global_reg_mentioned_p_1,
3474         global_reg_mentioned_p): Remove.
3475         * rtl.h: Remove the prototype for global_reg_mentioned_p.
3476
3477         * flow.c (initialize_uninitialized_subregs): Make it static.
3478         * rtl.h: Remove the prototype for
3479         initialize_uninitialized_subregs.
3480
3481         * function.c (instantiate_virtual_regs): Make it static.
3482         * function.h: Remove the prototype for
3483         instantiate_virtual_regs.
3484
3485         * regmove.c (regmove_optimize, combine_stack_adjustments):
3486         Make them static.
3487         * rtl.h: Remove the prototypes for regmove_optimize and
3488         combine_stack_adjustments.
3489
3490 2006-01-17  Roger Sayle  <roger@eyesopen.com>
3491
3492         * config/i386/i386.c (COSTS_N_BYTES): New macro.
3493         (size_cost): Encode costs in bytes so that a reg-reg addition is
3494         equivalent to COSTS_N_INSNS(1).
3495         (override_options): Use the size_cost.branch_cost as the default
3496         ix86_branch_cost when optimizing for size.
3497
3498 2006-01-18  Ben Elliston  <bje@au.ibm.com>
3499
3500         * Makefile.in (D32PBIT_FUNCS): New.
3501         (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
3502         (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
3503         D64PBIT_FUNCS and D128PBIT_FUNCS.
3504         (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
3505         * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
3506         D128PBIT are set.
3507         (decnumber_dep): Define.
3508         * doc/libgcc.texi (Decimal float library routines): New node.
3509         * config/dfp-bit.h, config/dfp-bit.c: New files.
3510
3511 2006-01-18  Ben Elliston  <bje@au.ibm.com>
3512
3513         * expr.c (emit_move_change_mode): Always adjust addresses, not
3514         just during reload.  Copy replacements only during reload.
3515         (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
3516         emit_move_via_integer.
3517
3518 2006-01-17  Shantonu Sen  <ssen@opendarwin.org>
3519
3520         * Makefile.in (check-%, check-consistency): Use $${srcdir}
3521         instead of $(srcdir) and ${srcdir}.
3522
3523 2006-01-17  Richard Earnshaw  <rearnsha@arm.com>
3524
3525         PR target/592
3526         PR middle-end/11135
3527         * arm.h (struct machine_function): Add pic_reg.
3528         * arm.c (arm_pic_register): Make unsigned.
3529         (arm_override_options): Only set arm_pic_register if
3530         TARGET_SINGLE_PIC_BASE.
3531         (use_return_insn): Only test for a pic register if it is fixed.
3532         (arm_compute_save_reg0_reg12_mask): Likewise.
3533         (thumb_compute_save_reg_mask): Likewise.
3534         (legitimate_pic_operand): Factor out some known invariants.
3535         (legitimize_pic_address): If we don't have a fixed pic register,
3536         then set up a pseudo in the function entry sequence.  Handle the
3537         pic base being in a pseudo.
3538         (arm_load_pic_register): Handle the pic register being in a pseudo.
3539         (arm_expand_prologue): Only set up the pic register if it is fixed.
3540         (thumb_expand_prologue): Likewise.
3541         * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
3542         (pic_load_addr_based_insn): Likewise.
3543         (builtin_setjmp_receiver): Don't restore the pic base if it isn't
3544         fixed.
3545
3546 2006-01-18  Ben Elliston  <bje@au.ibm.com>
3547
3548         * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
3549         decimal float modes for all floating point registers.
3550
3551         * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
3552         match_code "mem" with match_test "macho_lo_sum_memory_operand".
3553
3554 2006-01-17  Jakub Jelinek  <jakub@redhat.com>
3555
3556         PR c/25682
3557         * c-typeck.c (build_unary_op): Fold offsetof-like expressions
3558         even when the pointer is not NULL.
3559
3560 2006-01-16  Ian Lance Taylor  <ian@airs.com>
3561
3562         * common.opt (ftoplevel-reorder): New option.
3563         * cgraph.c (cgraph_asm_nodes): New global variable.
3564         (cgraph_asm_last_node): New static variable.
3565         (cgraph_order): New global variable.
3566         (cgraph_create_node): Set new order field.
3567         (cgraph_varpool_node): Likewise.
3568         (decide_is_variable_needed): Return true if not
3569         flag_toplevel_reorder.
3570         (cgraph_add_asm_node): New function.
3571         * cgraph.h (struct cgraph_node): Add order field.
3572         (struct cgraph_varpool_node): Add order field.
3573         (struct cgraph_asm_node): Define.
3574         (cgraph_asm_nodes, cgraph_order): Declare.
3575         (cgraph_add_asm_node): Declare.
3576         * cgraphunit.c (cgraph_varpool_assemble_decl): New static
3577         function.
3578         (cgraph_varpool_assemble_pending_decls): Call it.
3579         (cgraph_output_pending_asms): New static function.
3580         (cgraph_finalize_compilation_unit): Call it.
3581         (struct cgraph_order_sort): Define.
3582         (cgraph_output_in_order): New static function.
3583         (cgraph_optimize): Call cgraph_output_pending_asms.  Add code for
3584         !flag_toplevel_reorder case.
3585         * c-parser.c: Include "cgraph.h".
3586         (c_parser_asm_definition): Call cgraph_add_asm_node rather than
3587         assemble_asm.
3588         * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
3589         than -fno-unit-at-a-time.
3590         * doc/invoke.texi (Option Summary): Mention
3591         -fno-toplevel-reorder.
3592         (Optimize Options): Document -fno-toplevel-reorder.  Mention it in
3593         -funit-at-a-time documentation.
3594
3595 2006-01-17  Hans-Peter Nilsson  <hp@axis.com>
3596             Kazu Hirata  <kazu@codesourcery.com>
3597
3598         * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
3599
3600 2006-01-17  Kazu Hirata  <kazu@codesourcery.com>
3601
3602         * Makefile.in (FUNCTION_H): New.  Use it instead of
3603         function.h throughout the file.
3604         * function.h: Include tree.h.
3605
3606 2006-01-17  Ben Elliston  <bje@au.ibm.com>
3607
3608         * recog.c: Separate some functions with whitespace.
3609
3610 2006-01-16  Richard Henderson  <rth@redhat.com>
3611
3612         Merge from gomp branch:
3613         * Makefile.in (TREE_INLINE_H): New.  Use it as needed.
3614         * tree-inline.h (struct copy_body_data): Move from tree-inline.c
3615         and rename from struct inline_data.  Rename callee* to dst*;
3616         caller* to src*; add copy_decl hook, transform_call_graph_edges,
3617         transform_new_cfg, transform_return_to_modify, and
3618         transform_lang_insert_block flags; remove cloning_p, versioning_p,
3619         update_clones_p.
3620         (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
3621         (copy_decl_for_dup): Remove.
3622         * tree-inline.c (struct inline_data): Move to header.
3623         (insert_decl_map): Export.
3624         (remap_decl): Update for member name changes.  Use copy_decl hook.
3625         Allow for replacement to be a non-decl.  Remove dead code.
3626         (remap_type_1): Check for existing mapping.
3627         (remap_type): Export.
3628         (remap_decls): Update for member name changes.
3629         (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
3630         (copy_body, setup_one_parameter, declare_return_variable): Likewise.
3631         (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
3632         (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
3633         (tree_function_versioning, build_duplicate_type): Likewise.
3634         (copy_body_r): Likewise.  Export.
3635         (copy_decl_for_dup): Split into ...
3636         (copy_decl_for_dup_finish, copy_decl_to_var,
3637         copy_decl_no_change, copy_decl_maybe_to_var): ... these.
3638         (replace_ref_tree, inlining_p): Remove.
3639
3640 2006-01-16  Kazu Hirata  <kazu@codesourcery.com>
3641
3642         * ifcvt.c (if_convert): Make it static.
3643         * rtl.h: Remove the prototype for if_convert.
3644
3645         * local-alloc.c (local_alloc): Make it static.
3646         * rtl.h: Remove the prototype for local_alloc.
3647
3648         * loop.c (loop_optimize): Make it static.
3649         * cfgloop.h: Remove the prototype for loop_optimize.
3650         * rtl.h: Likewise.
3651
3652 2006-01-16  DJ Delorie  <dj@redhat.com>
3653
3654         * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
3655         mems.
3656
3657 2006-01-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3658
3659         * pa.md: Disparage copies between general and floating-point registers
3660         in 32-bit move patterns.
3661
3662 2006-01-16  H.J. Lu  <hongjiu.lu@intel.com>
3663
3664         PR testsuite/25741
3665         * Makefile.in (check-%): Depend on site.exp instead of
3666         $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
3667         directories.
3668
3669 2006-01-16  Kazu Hirata  <kazu@codesourcery.com>
3670
3671         * global.c (global_alloc): Make it static.
3672         * rtl.h: Remove the prototype for global_alloc.
3673
3674 2006-01-16  Richard Guenther  <rguenther@suse.de>
3675
3676         * tree-ssa-alias.c (struct used_part): Add write_only field.
3677         (get_or_create_used_part_for): Initialize it to true.
3678         (create_overlap_variables_for): Don't create structure variables
3679         for structures that only are written to.
3680         (find_used_portions): Handle MODIFY_EXPR to track whether a
3681         structure is only written to.
3682
3683 2006-01-16  Kazu Hirata  <kazu@codesourcery.com>
3684
3685         * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
3686         static.
3687         * basic-block.h: Remove the prototype for
3688         partition_hot_cold_basic_blocks.
3689
3690 2006-01-16  Rafael Ã\83vila de EspÃ�­ndola <rafael.espindola@gmail.com>
3691
3692         * cppspec.c (lang_specific_spec_functions): Remove.
3693         * gcc.c (lookup_spec_function): Use static_spec_functions directly.
3694         * gcc.h (lang_specific_spec_functions): Remove.
3695         * gccspec.c (lang_specific_spec_functions): Remove.
3696
3697 2006-01-16  Paolo Bonzini  <bonzini@gnu.org>
3698
3699         * combine.c (record_value_for_reg): Invalidate registers
3700         if INSN is null.
3701         (record_dead_and_set_regs_1): Likewise, by passing them to
3702         record_value_for_reg.
3703         (record_dead_and_set_regs): Invalidate stores made by a
3704         call.  We do not combine across a call, but we still
3705         relied on equivalences.
3706
3707 2006-01-16  Eric Botcazou  <ebotcazou@adacore.com>
3708
3709         * tree-vrp.c (extract_range_from_binary_expr): Cope with
3710         vrp_int_const_binop returning non-constant nodes.
3711
3712 2006-01-16  Paul Brook  <paul@codesourcery.com>
3713
3714         * config/m68k/m68k.c (output_move_const_into_data_reg):
3715         Output correct mnemonic for mvz and mvs.
3716
3717 2006-01-16  Gabor Loki  <loki@gcc.gnu.org>
3718
3719         * rtl-factoring.c: Add sequence abstraction algorithm.
3720         * cfgcleanup.c (outgoing_edges_match): Extra checks.
3721         (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
3722         ABNORMAL edges.
3723         (block_has_preserve_label): New function.
3724         * common.opt: Register new pass.
3725         * Makefile.in: Ditto.
3726         * passes.c: Ditto.
3727         * timevar.def: Ditto.
3728         * tree-pass.h: Ditto.
3729         * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
3730         * rtl.h (make_jump_insn_raw): Add forward decl.
3731         * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
3732
3733 2006-01-16  Eric Botcazou  <ebotcazou@adacore.com>
3734             Roger Sayle  <roger@eyesopen.com>
3735
3736         * fold-const.c (fold_minmax): New static function.
3737         (fold_binary) <MIN_EXPR>: Call it.
3738         <MAX_EXPR>: Likewise.
3739         * stor-layout.c (place_field): Use DECL_SIZE consistently
3740         in the computation of the new record size.
3741
3742 2006-01-16  Kazu Hirata  <kazu@codesourcery.com>
3743
3744         * cse.c (cse_condition_code_reg): Make it static.
3745         * rtl.h: Remove the prototype for cse_condition_code_reg.
3746
3747         * combine.c (combine_instructions): Make it static.
3748         * rtl.h: Remove the prototype for combine_instructions.
3749
3750 2006-01-15  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3751
3752         PR target/25168
3753         * tree.c (get_file_function_name_long): Concatenate the first global
3754         object name with a string derived from the input filename of the object
3755         for type "F".
3756
3757 2006-01-16  Ben Elliston  <bje@au.ibm.com>
3758
3759         * config/i386/winnt-stubs.c: Update FSF address.
3760         * config/xtensa/ieee754-df.S: Ditto.
3761         * config/xtensa/ieee754-sf.S: Ditto.
3762
3763 2006-01-14  Ian Lance Taylor  <ian@airs.com>
3764
3765         * ifcvt.c (noce_init_if_info): New static function, broken out of
3766         noce_process_if_block.
3767         (noce_process_if_block): Call noce_init_if_info.
3768         (check_cond_move_block): New static function.
3769         (cond_move_process_if_block): New static function.
3770         (process_if_block): Call cond_move_process_if_block.
3771
3772 2006-01-15  Kazu Hirata  <kazu@codesourcery.com>
3773
3774         * cselib.c (hash_table): Rename to cselib_hash_table.
3775         (cselib_clear_table, discard_useless_values,
3776         remove_useless_values, cselib_lookup_mem, cselib_lookup,
3777         cselib_init, cselib_finish): Adjust uses of hash_table.
3778
3779 2006-01-14  Kazu Hirata  <kazu@codesourcery.com>
3780
3781         PR tree-optimization/25485
3782         * tree-vrp.c (extract_range_from_binary_expr): Handle cases
3783         where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
3784         is known to be false and true, respectively.
3785
3786 2006-01-14  Richard Guenther  <rguenther@suse.de>
3787
3788         PR tree-optimization/22548
3789         PR tree-optimization/22555
3790         PR tree-optimization/22501
3791         * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
3792         * params.def (salias-max-array-elements): New parameter.
3793         * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
3794         * doc/invoke.texi (salias-max-array-elements): Document.
3795         * tree-flow-inline.h (var_can_have_subvars): We also handle
3796         arrays now.
3797         * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
3798         COMPONENT_REF.
3799         * tree-ssa-structalias.c (params.h): Include.
3800         (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
3801         (find_func_aliases): Handle multiple constraints from ARRAY_REF.
3802         (get_constraint_for): For ADDR_EXPR operating on something
3803         containing an ARRAY_REF, add all subvars to the solution.
3804         (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
3805         * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
3806         for creating MUST_DEFs.
3807         (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
3808
3809 2006-01-14  Zdenek Dvorak <dvorakz@suse.cz>
3810
3811         * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
3812         functions.
3813         (number_of_iterations_ne, number_of_iterations_lt_to_ne,
3814         assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
3815         number_of_iterations_le): New functions.
3816         (number_of_iterations_special): Removed.
3817         (number_of_iterations_exit): Do not use number_of_iterations_special.
3818         * tree.c (unsigned_type_for): Always return integer type.
3819
3820 2006-01-14  Steven Bosscher  <stevenb.gcc@gmail.com>
3821         Richard Guenther  <rguenther@suse.de>
3822
3823         PR rtl-optimization/24257
3824         * gcse.c (find_moveable_store): Only consider a store movable
3825         when the SET_SRC of the insn can be assigned to a register.
3826
3827 2006-01-14  Ian Lance Taylor  <ian@airs.com>
3828
3829         * tree.c (tree_not_class_check_failed): New function.
3830         * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
3831         (tree_not_class_check_failed): Declare.
3832
3833 2006-01-13  Ian Lance Taylor  <ian@airs.com>
3834
3835         * reload1.c (do_output_reload): Add assertion rejecting a
3836         CALL_INSN.
3837
3838 2006-01-13  Adam Nemet  <anemet@caviumnetworks.com>
3839
3840         * combine.c (struct reg_stat): Add new fields truncation_label and
3841         truncated_to_mode.
3842         (record_value_for_reg): Reset truncated_to_mode.
3843         (record_truncated_value): New function.
3844         (check_promoted_subreg): Call it.  Rename to check_conversions.
3845         (combine_instructions): Rename check_promoted_subreg to
3846         check_conversions.
3847         (reg_truncated_to_mode): New function.
3848         (make_extraction): Use it.  Check TRULY_NOOP_TRUNCATION.
3849         (gen_lowpart_or_truncate): New function.
3850         (force_to_mode): Use it instead of gen_lowpart.
3851
3852 2006-01-13  Diego Novillo  <dnovillo@redhat.com>
3853
3854         * tree-ssa-alias.c (add_type_alias): Fix typo.  Test whether
3855         VAR is a tag, not its type tag.
3856
3857 2006-01-13  Alexandre Oliva  <aoliva@redhat.com>
3858
3859         * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
3860         alternatives to match style of other entries.
3861         (*vec_extractv2di_1_sse): Likewise.  Fix mode attr.
3862
3863 2006-01-13  Daniel Berlin  <dberlin@dberlin.org>
3864
3865         PR tree-optimization/25771
3866         * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
3867         SSA_NAMES.
3868
3869 2006-01-13  Andrew Pinski  <pinskia@physics.uc.edu>
3870
3871         PR tree-opt/24365
3872         * tree-inline.c (declare_return_variable): If the return variable
3873         was marked as a non gimple complex, set the return slot variable
3874         to be a non gimple comple variable.
3875
3876 2006-01-13  Richard Guenther  <rguenther@suse.de>
3877
3878         * builtins.c (expand_builtin_sincos): New function.
3879         (expand_builtin_mathfn_3): Remove dead code, sin and cos
3880         do not set errno.
3881         (expand_builtin): Expand sincos using expand_builtin_sincos.
3882
3883 2006-01-12  DJ Delorie  <dj@redhat.com>
3884
3885         * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
3886         shift counts, separate SI shifts for m32c vs m16c, pass shift type
3887         so that constant shifts can be split.
3888         * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
3889         (m32c_valid_pointer_mode): Make static.
3890         (shift_gen_func_for): New.
3891         (m32c_prepare_shift): Use it.  Split large const shifts into
3892         multiple shifts.
3893         * config/m32c/predicates.md (shiftcount_operand): Allow more
3894         general operands.
3895         (longshiftcount_operand): New.
3896         * doc/md.texi (Machine Constraints): Document In6.
3897
3898 2006-01-13  Ben Elliston  <bje@au.ibm.com>
3899
3900         * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
3901         REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
3902         documentation.
3903
3904 2006-01-12  Daniel Berlin  <dberlin@dberlin.org>
3905
3906         * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
3907         to try to avoid clobbering pieces of structures when we know
3908         something about the whole structure.
3909         * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
3910
3911 2006-01-13  Ben Elliston  <bje@au.ibm.com>
3912
3913         * doc/rtl.texi (Insns): Remove statement that libcalls cannot
3914         return in memory, as this is no limitation is no longer present.
3915
3916 2006-01-12  DJ Delorie  <dj@redhat.com>
3917
3918         * config/m32c/addsub.md (addhi3): Add two more alternatives, for
3919         mova with fb, and for fb+0 -> An.
3920
3921         * config/m32c/mov.md (peephole2): Fix enabling logic.
3922
3923         * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
3924         DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
3925         DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
3926         FINI_ARRAY_SECTION_ASM_OP): Define.
3927
3928         * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
3929         variable.
3930         (m32c_legitimize_reload_address): New logic to reload FB to An.
3931         (m32c_output_reg_push): Add newline.
3932         (m32c_output_reg_pop): Likewise.
3933
3934 2006-01-12  Ulrich Weigand  <uweigand@de.ibm.com>
3935
3936         * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
3937
3938 2006-01-11  Andrew Pinski  <pinskia@physics.uc.edu>
3939
3940         * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
3941
3942 2006-01-11  Kazu Hirata  <kazu@codesourcery.com>
3943
3944         * config/sh/predicates.md (sh_rep_vec): Add parallel to
3945         match_code.
3946
3947 2006-01-11  Ben Elliston  <bje@au.ibm.com>
3948
3949         * rtlanal.c (find_reg_note): Assert insn is not null.
3950
3951 2006-01-11  Kenneth Zadeck <zadeck@naturalbridge.com>
3952
3953         * df-scan.c (df_hard_reg_init): Move declaration of i outside
3954         ifdef.
3955
3956 2006-01-11  Jeff Law  <law@redhat.com>
3957
3958         * tree-ssa-threadupdate.c (threaded_edges): New VEC to
3959         hold edge pairs.
3960         (mark_threaded_blocks, register_jump_thread): New functions.
3961         (thread_through_all_blocks): Remove unwanted argument.  No
3962         longer rely on e->aux to communicate thread target info.
3963         Call mark_threaded_blocks.  Release the threaded_blocks
3964         bitmap and threaded_edges vector when complete.
3965         * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
3966         (threaded_blocks): Remove.
3967         (tree_ssa_dominator_optimize): Remove initialization and
3968         finalization of threaded_blocks.  Simplify call to
3969         thread_through_all_blocks.
3970         (thread_across_edge): Call register_jump_thread rather than
3971         storing thread information into e->aux.
3972         (free_all_edge_infos): Simplify now that e->aux is no longer
3973         used to communicate with thread_through_all_blocks.
3974         * tree-flow.h (thread_through_all_blocks): Update prototype.
3975         (register_jump_thread): Prototype.
3976
3977 2006-01-11  Kazu Hirata  <kazu@codesourcery.com>
3978
3979         * df-core.c (df_compact_blocks, df_bb_replace): Use
3980         SET_BASIC_BLOCK instead of BASIC_BLOCK.
3981
3982 2006-01-11  Richard Guenther  <rguenther@suse.de>
3983
3984         PR tree-optimization/25734
3985         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
3986         stop propagation after successful propagation to the LHS.
3987
3988 2006-01-11  Kazu Hirata  <kazu@codesourcery.com>
3989
3990         * basic-block.h (control_flow_graph): Change the type of
3991         x_basic_block_info to VEC(basic_block,gc) *.
3992         (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
3993         basic_block_info.
3994         (SET_BASIC_BLOCK): New.
3995         * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
3996         instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
3997         * cfgbuild.c (find_basic_blocks): Likewise.
3998         * cfglayout.c (fixup_reorder_chain): Likewise.
3999         * cfgrtl.c (create_basic_block_structure,
4000         rtl_create_basic_block): Likewise.
4001         * ifcvt.c (find_if_case_1): Likewise.
4002         * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
4003         Likewise.
4004
4005 2006-01-11  Kenneth Zadeck <zadeck@naturalbridge.com>
4006
4007         * Makefile.in: Removed rotted odf.c entry.
4008
4009 2006-01-11  Hans-Peter Nilsson  <hp@axis.com>
4010
4011         PR target/25706
4012         * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
4013         ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
4014         ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
4015         output pattern modifier, not %e.
4016         * config/cris/cris.c (cris_op_str): Update comment about pattern
4017         modifier.
4018         (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
4019         before falling through into...
4020         <case 'E'>: Redefined from old 'e' case.
4021
4022 2006-01-11  Jan Hubicka  <jh@suse.cz>
4023
4024         PR target/25042
4025         * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
4026
4027 2006-01-11  Jan Hubicka  <jh@suse.cz>
4028
4029         * i386.h (TARGET_DECOMPOSE_LEA): Kill.
4030         * i386.c (x86_decompose_lea): Kill.
4031         (ix86_rtx_costs): Kill.
4032
4033 2006-01-11  Jan Hubicka  <jh@suse.cz>
4034
4035         * cgraph.c (cgraph_insert_node_to_hashtable): New function.
4036         * cgraph.h (cgraph_node): Add inline_decl.
4037         (cgraph_insert_node_to_hashtable): Declare.
4038         (save_inline_function_body): Declare.
4039         * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
4040         clones.
4041         (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
4042         (cgraph_function_versioning): Update call of tree_function_versioning.
4043         (save_inline_function_body): New function.
4044         * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
4045         saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
4046         * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
4047         (cgraph_default_inline_p): Likewise.
4048         (cgraph_decide_inlining_incrementally): Likewise.
4049         * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
4050         (copy_bb): Kill saving; do updating of clones.
4051         (copy_cfg_body): Kill saving.
4052         (initialize_inlined-parameters): Likewise.
4053         (expand_call_inline): Likewise.
4054         (save_body): Kill.
4055         (tree_function_versioning): New parameter "update_clones".
4056         (inlining_p): Kill saving.
4057         * tree-inline.h (tree_function_versioning): Update prototype.
4058         * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
4059         saving.
4060
4061 2006-01-11  Ian Lance Taylor <ian@airs.com>
4062
4063         * combine.c (struct undo): Remove is_int.  Enumify types of undos.
4064         Allow undoing set of machine mode.
4065         (do_SUBST): Use enums instead of is_int.
4066         (do_SUBST_MODE): New function.
4067         (SUBST_MODE): New macro.
4068         (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
4069         reg and trying to replace reg_regno_rtx with a new register.
4070         (undo_all): Use new enums, handle undoing a PUT_MODE change.
4071         (simplify_set): Use SUBST_MODE.
4072         (distribute_notes): Remove code that tried to update reg notes
4073         for regno_reg_rtx changes.
4074
4075 2006-01-11  Paolo Bonzini  <bonzini@gnu.org>
4076
4077         PR tree-optimization/23109
4078         PR tree-optimization/23948
4079         PR tree-optimization/24123
4080
4081         * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
4082         * tree-cfg.c (single_noncomplex_succ): New.
4083         * tree-flow.h (single_noncomplex_succ): Declare it.
4084         * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
4085         * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
4086         (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
4087         insert_bb, register_division_in, insert_reciprocals,
4088         replace_reciprocal, free_bb): New.
4089         (execute_cse_reciprocals_1): Rewritten.
4090         (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
4091         Do not commit any edge insertion.  Always compute dominators and
4092         create the allocation pool.
4093         * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
4094         * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
4095         * targhooks.c (default_min_divistions_for_recip_mul): New.
4096         * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
4097         * passes.c (init_optimization_passes): Run recip after tree loop
4098         optimizations.
4099         * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
4100
4101 2006-01-11  Danny Berlin <dberlin@dberlin.org>
4102             Kenneth Zadeck <zadeck@naturalbridge.com>
4103
4104         * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
4105         DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
4106         DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
4107         DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
4108         DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
4109         DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
4110         DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
4111         DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
4112         DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
4113         DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
4114         DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
4115         DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
4116         DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
4117         DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
4118         DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
4119         DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
4120         DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
4121         DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
4122         DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
4123         DF_SCAN_POST_ALLOC): New macros.
4124         (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
4125         df_free_bb_function, df_local_compute_function, df_init_function,
4126         df_dataflow_function, df_confluence_function_0,
4127         df_confluence_function_n, df_transfer_function,
4128         df_finalizer_function, df_free_function, df_dump_problem_function,
4129         df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
4130         df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
4131         df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
4132         df_urec_bb_info, ) New types.
4133         (df_invalidated_by_call, df_all_hard_regs, df_state) New public
4134         variables.
4135         (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
4136         df_analyze_simple_change_some_blocks,
4137         df_analyze_simple_change_one_block, df_compact_blocks,
4138         df_bb_replace, df_bb_regno_last_use_find,
4139         df_bb_regno_first_def_find, df_bb_regno_last_def_find,
4140         df_insn_regno_def_p, df_find_def, df_find_use,
4141         df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
4142         df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
4143         df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
4144         debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
4145         debug_df_chain, df_get_dependent_problem, df_chain_create,
4146         df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
4147         df_grow_bb_info, df_chain_dump, df_print_bb_index,
4148         df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
4149         df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
4150         df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
4151         df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
4152         df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
4153         df_rescan_blocks, df_ref_create, df_get_artificial_defs,
4154         df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
4155         df_ref_remove, df_insn_refs_delete, df_refs_delete,
4156         df_reorganize_refs, df_set_state, df_hard_reg_init,
4157         df_read_modify_subreg_p) New public functions.
4158         * df-core.c: The core dataflow solver and glue routines for rtl
4159         dataflow.
4160         (df_init, df_add_problem, df_set_blocks, df_finish,
4161         df_hybrid_search_forward, df_hybrid_search_backward,
4162         df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
4163         df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
4164         df_bb_regno_last_use_find, df_bb_regno_first_def_find,
4165         df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
4166         df_reg_defined, df_find_use, df_reg_used, df_dump,
4167         df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
4168         df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
4169         debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
4170         debug_df_useno, reset_df_after_reload): New functions.
4171         * df-scan.c: The scanning fuctions, once in df.c, completely
4172         rewritten so that they now fully model the functionality of
4173         register usage at the backend.
4174         (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
4175         df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
4176         df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
4177         df_grow_insn_info, df_rescan_blocks, df_ref_create,
4178         df_get_artificial_defs, df_get_artificial_uses,
4179         df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
4180         df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
4181         df_refs_delete, df_reorganize_refs, df_set_state,
4182         df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
4183         df_def_record_1, df_defs_record, df_uses_record,
4184         df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
4185         df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
4186         df_record_exit_block_uses, df_hard_reg_init): New functions.
4187
4188         * df-problems.c: Seven concrete dataflow problems that use the
4189         scanning in df-scan.c and are solved by the engine in df-core.c.
4190         (df_get_dependent_problem, df_chain_create, df_chain_unlink,
4191         df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
4192         df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
4193         df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
4194         df_ru_free_bb_info, df_ru_alloc,
4195         df_ru_bb_local_compute_process_def,
4196         df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
4197         df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
4198         df_ru_transfer_function, df_ru_free, df_ru_dump,
4199         df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
4200         df_rd_free_bb_info, df_rd_alloc,
4201         df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
4202         df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
4203         df_rd_transfer_function, df_rd_free, df_rd_dump,
4204         df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
4205         df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
4206         df_lr_local_compute, df_lr_init, df_lr_confluence_0,
4207         df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
4208         df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
4209         df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
4210         df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
4211         df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
4212         df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
4213         df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
4214         df_urec_mark_reg_change, df_urec_check_earlyclobber,
4215         df_urec_mark_reg_use_for_earlyclobber,
4216         df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
4217         df_urec_local_compute, df_urec_init, df_urec_local_finalize,
4218         df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
4219         df_urec_dump, df_urec_add_problem, df_chain_alloc,
4220         df_chain_create_bb_process_use, df_chain_create_bb,
4221         df_chain_finalize, df_chain_free, df_chains_dump,
4222         df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
4223         df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
4224         df_reg_lifetime): New functions.
4225         * df.c: Deleted file.
4226         * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
4227         consistent with new df api.
4228         * modulo-sched.c (sms_schedule, rest_of_handle_sms,
4229         rest_of_handle_sms): Ditto.
4230         * web.c (unionfind_union, union_defs, entry_register, web_main):
4231         Ditto.
4232         * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
4233         invariant_expr_equal_p, find_defs, check_dependencies,
4234         find_invariant_insn, find_invariants_to_move, move_invariant_reg,
4235         free_inv_motion_data, move_loop_invariants): Ditto.
4236         * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
4237         Update dependencies.
4238         (odf.c): Added defective entry that was deleted later in day.
4239         * sched-deps.c (sched_analyze_1): Ditto.
4240
4241 2006-01-11  Zdenek Dvorak <dvorakz@suse.cz>
4242
4243         * tree-ssa-operands.c (get_expr_operands): Record addressable
4244         variables directly.  Do not call add_stmt_operands for CONST_DECLs
4245         and ARRAY_DECLs.
4246         (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
4247         (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
4248
4249 2006-01-11  Ben Elliston  <bje@au.ibm.com>
4250
4251         * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
4252         function returns true in the positive case.
4253
4254 2006-01-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4255
4256         PR target/20754
4257         * config/pa/pa.md: Create separate 32 and 64-bit move patterns
4258         for SI, DI, SF and DF modes.  Add alternatives to copy between
4259         general and floating point registers to the 32-bit patterns.
4260         * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
4261         * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
4262         (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
4263         generating 64-bit code.
4264         * config/pa/pa.c (output_move_double): Handle copies between general
4265         and floating registers.
4266
4267 2006-01-10  Stuart Hastings  <stuart@apple.com>
4268
4269         * config/i386/i386.md (set_got): Update.
4270         (set_got_labelled): New.  (UNSPEC_LD_MPIC): New.
4271         (builtin_setjmp_receiver): Mach-O support.
4272         * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
4273         (GOT_SYMBOL_NAME): Define.
4274         (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
4275         (TARGET_DEEP_BRANCH_PREDICTION): Remove.
4276         * config/i386/i386.c (override_options): Revise for Darwin.
4277         (USE_HIDDEN_LINKONCE): Enable for Mach-O.  (ix86_file_end): Mach-O
4278         support.  (darwin_x86_file_end): New.  (output_set_got): Add label
4279         parameter, revise for Mach-O.  (x86_output_mi_thunk): Likewise.
4280         * config/i386/i386-protos.h (output_set_got): Likewise.
4281         * config/darwin.c (machopic_legitimize_pic_address): Update
4282         regs_ever_live[].
4283
4284 2006-01-10  Kaz Kojima  <kkojima@gcc.gnu.org>
4285
4286         * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
4287         when MODE isn't BLKmode.
4288
4289 2006-01-10  Eric Botcazou  <ebotcazou@libertysurf.fr>
4290
4291         PR rtl-optimization/25367
4292         * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
4293
4294 2006-01-10  Hans-Peter Nilsson  <hp@axis.com>
4295
4296         PR target/25718
4297         * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
4298         for a negative bound.
4299
4300 2006-01-10  Richard Guenther  <rguenther@suse.de>
4301
4302         * tree-ssa-structalias.c (get_constraint_for_component_ref):
4303         Never override with anything constraint.
4304
4305 2006-01-10  Jan Beulich  <jbeulich@novell.com>
4306
4307         * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
4308         256 bits when optimize_size.
4309
4310 2006-01-10  Jan Beulich  <jbeulich@novell.com>
4311
4312         * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
4313         MASK_ALIGN_DOUBLE.
4314         * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
4315         * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
4316         arguments.
4317
4318 2006-01-10  Ben Elliston  <bje@au.ibm.com>
4319
4320         * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
4321         float modes.
4322         * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
4323         (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
4324         (USE_FP_FOR_ARG): Reject decimal float modes.
4325         (function_arg_advance): Likewise.
4326         (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
4327         (rs6000_handle_altivec_attribute): Do not permit decimal floating
4328         point types in AltiVec vectors.
4329         (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
4330         (rs6000_libcall_value): Likewise.
4331
4332 2006-01-09  Bob Wilson  <bob.wilson@acm.org>
4333
4334         * config/xtensa/ieee754-df.S: New file.
4335         * config/xtensa/ieee754-sf.S: New file.
4336         * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
4337         (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
4338         * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
4339
4340 2006-01-09  Kazu Hirata  <kazu@codesourcery.com>
4341
4342         * config/sh/predicates.md (binary_float_operator,
4343         binary_logical_operator, commutative_float_operator,
4344         equality_comparison_operator, greater_comparison_operator,
4345         less_comparison_operator, logical_operator,
4346         noncommutative_float_operator, shift_operator,
4347         symbol_ref_operand, unary_float_operator): Remove redundant
4348         conditionals.
4349
4350 2006-01-09  Jeff Law  <law@redhat.com>
4351
4352         * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
4353         code to propagate the RHS of a cast into COND_EXPR_COND.  Remove
4354         now unused arguments.  Callers updated.
4355         (eliminate_redundant_computations): Remove now unused arguments,
4356         callers updated.
4357         (local_fold): Remove, no longer used.
4358         (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
4359         and moved to...
4360         * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
4361         (simplify_cond): New function.
4362         (forward_propagate_into_cond): Call simplify_cond.
4363
4364 2006-01-09  Alexandre Oliva  <aoliva@redhat.com>
4365
4366         * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
4367         (*vec_extractv2di_1_sse): New.
4368
4369 2006-01-09  Ben Elliston  <bje@au.ibm.com>
4370
4371         * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
4372
4373 2006-01-08  Richard Guenther  <rguenther@suse.de>
4374
4375         * tree-ssa-structalias.c (get_constraint_for): Remove
4376         anyoffset argument.
4377         (get_constraint_for_component_ref): Likewise.
4378         (do_deref): Likewise.
4379         (get_constraint_for): Likewise.
4380         (do_structure_copy): Likewise.
4381         (handle_ptr_arith): Likewise.
4382         (find_func_aliases): Likewise.  Remove unused need_anyoffset
4383         variable.
4384
4385 2006-01-08  J"orn Rennecke  <joern.rennecke@st.com>
4386             Kaz Kojima  <kkojima@gcc.gnu.org>
4387
4388         * config/sh/sh.h (CONST_OK_FOR_K16): Define.
4389         (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
4390         (EXTRA_CONSTRAINT_C16): Remove.
4391         (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
4392         (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
4393         EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
4394         * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
4395         constants of SHmedia.  Handle nested constant expressions of
4396         SHmedia correctly.
4397         (andcosts): Fix the costs for SHmedia constants.
4398         (sh_rtx_costs): Take account of outer_code for SHmedia constants.
4399         * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
4400         (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
4401         (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
4402         (movv4hi_i, movv2si_i): Likewise.
4403         (movsi_const): Adjust the second operand of ior so to match with
4404         the Csu constraint.
4405         (movdi_const, movdi_const_32bit): Likewise.
4406         (movdi_const_16bit+1): Don't sign-extend LOW.
4407         (movdi_const_16bit+2): Likewise.  Remove the zero_extend and truncate
4408         step.
4409         (*double_shori): Fix the split condition.  Use GEN_INT instead
4410         of get_int_mode calls.  Mask lower 16-bit of the argument of
4411         the last GEN_INT.
4412         (sym2GOTPLT): Remove.
4413         (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
4414         gen_rtx_UNSPEC.
4415         * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
4416         instead of EXTRA_CONSTRAINT_C16.
4417
4418 2006-01-07  Ian Lance Taylor  <ian@airs.com>
4419             David Edelsohn  <edelsohn@gnu.org>
4420
4421         PR rtl-optimization/25662
4422         * optabs.c (simplify_expand_binop): Use simplify_binary_operation
4423         for constant operands instead of simplify_gen_binary.
4424         * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
4425         after trying simplify_binary_operation
4426
4427 2006-01-06  Daniel Berlin  <dberlin@dberlin.org>
4428
4429         * tree.c (iterative_hash_expr): Hash decls based on UID.
4430
4431 2006-01-06  Eric Christopher  <echristo@apple.com>
4432
4433         * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
4434         (TARGET_UNWIND_EMIT): Fix spelling.
4435         * target.h (gcc_target): Add except_table_label.
4436         * except.c (output_function_exception_table): Use.
4437         * varasm.c (default_emit_except_table_label): New.
4438         * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
4439         define.
4440         (asm_out): Add here.
4441         * output.h (default_emit_except_table_label): Prototype.
4442         * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
4443         * config/darwin.c (darwin_emit_except_table_label): Define.
4444         * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
4445
4446 2006-01-06  Zdenek Dvorak <dvorakz@suse.cz>
4447
4448         PR tree-optimization/18527
4449         * tree-ssa-loop-niter.c (number_of_iterations_cond,
4450         number_of_iterations_special, number_of_iterations_exit):
4451         Move base and step of an iv to a single structure.  Add
4452         no_overflow flag, and use it in # of iterations analysis.
4453         * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
4454         folded_casts argument.
4455         (simple_iv): Pass base and step in a structure.  Set no_overflow
4456         flag.
4457         (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
4458         Evaluate expensiveness of computing # of iterations instead of
4459         the final expression.
4460         * tree-scalar-evolution.h (affine_iv): New structure.
4461         (simple_iv): Declaration changed.
4462         * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
4463         * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
4464         find_givs_in_stmt): Changed due to simple_iv change.
4465
4466 2006-01-06  Jeff Law  <law@redhat.com>
4467
4468         PR ada/24994
4469         * tree-cfg.c (bsi_replace): Rename final argument from
4470         PRESERVE_EH_INFO to UPDATE_EH_INFO.  Fix typo in last
4471         change (stmt -> orig_stmt).
4472         * tree-eh.c (verify_eh_throw_stmt_node): New function.
4473         (bsi_remove): Add new argument.  Remove EH information
4474         if requested.
4475         (verify_eh_throw_table_statements): New function.
4476         (bsi_remove): Add new argument REMOVE_EH_INFO.  All callers
4477         updated.
4478         * tree-optimize.c (execute_free_cfg_annotations): Verify
4479         the EH throw statement table after removing annotations.
4480         * except.h (verify_eh_throw_table_statements): Prototype.
4481         * tree-flow.h (bsi_remove): Update prototype.
4482         * tree-vrp.c (remove_range_assertions): Add new argument to
4483         bsi_remove call.
4484         * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
4485         * tree-complex.c (expand_complex_div_wide): Likewise.
4486         * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
4487         * tree-tailcall.c (eliminate_tailcall): Likewise.
4488         * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
4489         * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
4490         * tree-nrv.c (tree_nrv): Likewise.
4491         * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
4492         * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
4493         (combine_blocks): Likewise.
4494         * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
4495         * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
4496         (cleanup_control_flow): Likewise.
4497         (remove_forwarder_block): Likewise.
4498         * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
4499         * tree-sra.c (sra_replace): Likewise.
4500         * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
4501         (forward_propagate_single_use_vars): Likewise.
4502         * tree-ssa-dce.c (remove_dead_stmt): Likewise.
4503         * tree-inline.c (expand_call_inline): Likewise.
4504         * tree-vect-transform.c (vect_transform_loop): Likewise.
4505         * tree-outof-ssa.c (rewrite_trees): Likewise.
4506         * tree-cfg.c (make_goto_expr_edges): Likewise.
4507         (cleanup_dead_labels): Likewise.
4508         (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
4509         (bsi_move_before, bsi_move_after): Likewise.
4510         (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
4511         (tree_redirect_edge_and_branch, tree_split_block): Likewise.
4512
4513 2006-01-06  Andrew Pinski  <pinskia@physics.uc.edu>
4514
4515         PR tree-opt/25528
4516         * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
4517         and IMAGPART_EXPR.
4518         * tree-flow-inline.h (var_can_have_subvars): Handle complex types
4519         on non gimple variables.  Also add checks at the top for decls and
4520         mtags.
4521         * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
4522         complex types.
4523         * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
4524         and IMAGPART_EXPR for creating MUST_DEFs.
4525         (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
4526         and NAME_MEMORY_TAG separately from the DECLs.
4527
4528 2006-01-06  Richard Guenther  <rguenther@suse.de>
4529
4530         * tree-dfa.c (mark_new_vars_to_rename): Create stmt
4531         annotation, if necessary.
4532         * tree-ssa-pre.c (create_expression_by_pieces): Remove
4533         redundant calls to update_stmt.
4534         * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
4535         Likewise.
4536
4537 2006-01-05  Richard Henderson  <rth@redhat.com>
4538
4539         * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
4540
4541 2006-01-05  Carlos O'Donell  <carlos@codesourcery.com>
4542
4543         * c-typeck.c: Update copyright date.
4544
4545 2006-01-05  Carlos O'Donell  <carlos@codesourcery.com>
4546
4547         * c-typeck.c (build_c_cast): Always warn when casting
4548         from a pointer to an integer of different size, even if
4549         the node was constant.
4550
4551 2006-01-05  Richard Guenther  <rguenther@suse.de>
4552
4553         PR tree-optimization/22555
4554         * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
4555         if one structure field is an array.
4556         * tree-ssa-operands.c (get_expr_operands): Continue scanning
4557         operands even if we found a subvar, but ignore VOPs in this
4558         case.
4559         * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
4560         for renaming.
4561         * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
4562
4563 2006-01-05  Richard Earnshaw  <rearnsha@arm.com>
4564
4565         PR middle-end/24998
4566         * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
4567
4568 2006-01-05  Richard Guenther  <rguenther@suse.de>
4569             Diego Novillo  <dnovillo@redhat.com>
4570
4571         * tree-pass.h (TODO_remove_unused_locals): Define.
4572         * gimple-low.c (expand_var_p, remove_useless_vars,
4573         pass_remove_useless_vars): Remove.  Update all users.
4574         * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
4575         (remove_unused_locals): New function.
4576         * tree-flow.h (remove_unused_locals): Declare.
4577         * passes.c (execute_todo): Call remove_unused_locals if
4578         TODO_remove_unused_locals is set.
4579         * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
4580         * tree-ssa-dce.c (pass_dce): Likewise.
4581         * tree-outof-ssa.c (pass_del_ssa): Likewise.
4582
4583 2006-01-05  Richard Guenther  <rguenther@suse.de>
4584
4585         * tree-flow.h (struct fieldoff): Decompose field to
4586         type, size and decl.
4587         * tree-ssa-alias.c (create_sft): Take type as parameter.
4588         (create_overlap_variables_for): Store type, size and decl
4589         in the fieldoff structure.
4590         * tree-ssa-structalias.c (fieldoff_compare): Adjust users
4591         of struct fieldoff.
4592         (push_fields_onto_fieldstack): Likewise.
4593         (create_variable_info_for): Likewise.  Use offset for the
4594         SFT name if the decl is not available.
4595
4596 2006-01-04  Paul Brook  <paul@codesourcery.com>
4597
4598         * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
4599
4600 2006-01-04  Daniel Berlin  <dberlin@dberlin.org>
4601
4602         * lambda-code.c (can_put_in_inner_loop): Relax
4603         restrictions.
4604         (can_put_after_inner_loop): New function.
4605         (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
4606         (perfect_nestify): Change to make copies and modify uses.
4607
4608 2006-01-04  Richard Henderson  <rth@redhat.com>
4609
4610         Merge from gomp branch:
4611         * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
4612         via integer constant.
4613         (pragma_lex): Remove.
4614         * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
4615         rather than parsing it.
4616         * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
4617         handle_pragma_extern_prefix): Add %< %> quotes.
4618         (registered_pragmas): New.
4619         (c_register_pragma_1): New.
4620         (c_register_pragma): Use it.
4621         (c_register_pragma_with_expansion): Likewise.
4622         (c_invoke_pragma_handler): New.
4623         (init_pragma): Use cpp_register_deferred_pragma directly for
4624         pch_preprocess.
4625         * c-pragma.h (enum pragma_kind): New.
4626         (pragma_handler): New.
4627         (c_invoke_pragma_handler): Declare.
4628         * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
4629         CPP_PRAGMA_EOL.
4630         * c-common.h (c_common_pch_pragma): Update decl.
4631         * Makefile.in (c-parser.o): Update dependencies.
4632         (GTFILES): Add c-pragma.h.
4633         * c-parser.c (struct c_token): Add pragma_kind.
4634         (struct c_parser): Add in_pragma.
4635         (c_lex_one_token): Always initialize keyword and pragma_kind.
4636         Extract data for CPP_PRAGMA.
4637         (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
4638         (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
4639         Don't allow CPP_PRAGMA_EOL if in_pragma.
4640         (c_parser_consume_pragma): New.
4641         (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
4642         (c_parser_skip_to_end_of_parameter): Likewise.
4643         (c_parser_skip_to_end_of_block_or_statement): Likewise.
4644         (c_parser_skip_to_pragma_eol): New.
4645         (c_parser_external_declaration): Handle CPP_PRAGMA.
4646         (c_parser_compound_statement_nostart): Likewise.
4647         (c_parser_statement_after_labels): Likewise.
4648         (c_parser_pragma): New.
4649         (pragma_lex): Likewise.
4650         (c_parser_pragma_pch_preprocess): New.
4651         (c_parser_new): Merge into ...
4652         (c_parse_file): ... here.  Call c_parser_pragma_pch_preprocess.
4653
4654 2006-01-04  Jeff Law  <law@redhat.com>
4655
4656         PR ada/24994
4657         * tree-cfg.c (bsi_replace): Remove the original statement
4658         from the EH throw statement table.
4659
4660 2006-01-04  Jakub Jelinek  <jakub@redhat.com>
4661
4662         * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
4663         make the prototype extern "C" and add throw ().
4664
4665         PR target/25554
4666         * config/i386/i386.md (testqi_ext_3): Ensure len is positive
4667         and pos non-negative and pos + len <= 32.
4668         (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
4669         drop pos + len < HOST_BITS_PER_WIDE_INT test.
4670         (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
4671
4672         PR c/25559
4673         * c-common.c (handle_vector_size_attribute): Reject zero vector size
4674         as well as sizes not multiple of component size.
4675
4676         PR debug/25562
4677         * function.c (instantiate_expr): New function.
4678         (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
4679         walk its DECL_VALUE_EXPR with instantiate_expr.
4680
4681         * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
4682         DW_OP_deref{,_size} if address isn't going to be added.
4683
4684 2006-01-04  Ben Elliston  <bje@au.ibm.com>
4685
4686         * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
4687         * config/fp-bit.c: Likewise.
4688
4689 2006-01-03  Daniel Berlin  <dberlin@dberlin.org>
4690
4691         * dominance.c: Add comment about why we use DFS numbering
4692         of dominance tree.
4693
4694 2006-01-03  Jakub Jelinek  <jakub@redhat.com>
4695             Richard Henderson  <rth@redhat.com>
4696
4697         Merge from gomp-branch:
4698         * varasm.c (assemble_variable): Handle thread-local COMMON data.
4699         * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
4700
4701 2006-01-03  Paolo Bonzini  <bonzini@gnu.org>
4702
4703         PR rtl-optimization/25578
4704         * combine.c (combine_simplify_rtx, force_to_mode): Don't
4705         pass a parameter to simplify_shift_const if changing ASHIFTRT
4706         to LSHIFTRT.
4707
4708 2006-01-03  Adrian Straetling  <straetling@de.ibm.com>
4709
4710         * builtins.c (get_builtin_sync_mem): New function.
4711         (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
4712         expand_builtin_lock_test_and_set, expand_builtin_lock_release):
4713         Call get_builtin_sync_mem to generate mem rtx.
4714
4715 2006-01-03  Richard Guenther  <rguenther@suse.de>
4716
4717         PR c/25183
4718         * stmt.c (add_case_node): Make sure to clear overflow flags
4719         from ranges.
4720
4721 2006-01-03  Jakub Jelinek  <jakub@redhat.com>
4722
4723         Merge from gomp-branch.
4724         * config/sparc/sync.md: New file.
4725         * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
4726         UNSPECV_LDSTUB): New constants.
4727         * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
4728         * config/sparc/predicates.md (memory_reg_operand): New predicate.
4729         * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
4730         prototype.
4731
4732 2006-01-03  Roger Sayle  <roger@eyesopen.com>
4733
4734         * combine.c (reg_subword_p): New predicate to test whether the
4735         destination of a set refers to a subword/piece of a register.
4736         (try_combine): Generalize the code to merge the setting of a
4737         pseudo to a constant followed by a set of a subword of that
4738         register to a constant.
4739
4740 2006-01-03  Kazu Hirata  <kazu@codesourcery.com>
4741
4742         * basic-block.h (control_flow_graph): Change the type of
4743         x_label_to_block_map to VEC(basic_block,gc) *.
4744         * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
4745         set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
4746
4747         * tree-ssa-propagate.c (cfg_blocks): Change the type to
4748         VEC(basic_block,heap) *.
4749         (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
4750         ssa_prop_fini): Adjust the uses of cfg_blocks.
4751
4752 2006-01-03  Steven Bosscher  <stevenb.gcc@gmail.com>
4753
4754         * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
4755         COMPONENT_REFs.
4756         * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
4757         hashing trees instead of a pointer hash.
4758         (mem_attrs_htab_eq): Do a deep compare instead of a pointer
4759         compare for MEM_EXPR.
4760
4761         PR rtl-optimization/25130
4762         * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
4763         when comparing MEMs for GCSE
4764
4765 2006-01-03  Ben Elliston  <bje@au.ibm.com>
4766
4767         * targhooks.h (default_decimal_float_supported_p): Declare.
4768         * targhooks.c (default_decimal_float_supported_p): Define.
4769         * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
4770         `default_decimal_float_supported_p'.
4771         * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
4772
4773 2006-01-02  Adam Nemet  <anemet@caviumnetworks.com>
4774
4775         * combine.c (apply_distributive_law <SUBREG>): Check
4776         TRULY_NOOP_TRUNCATION.
4777
4778 2006-01-02  Geoffrey Keating  <geoffk@apple.com>
4779
4780         * dwarf2out.c (have_switched_text_section): Delete.
4781         (have_multiple_function_sections): New.
4782         (have_location_lists): Make 'bool'.
4783         (add_AT_loc_list): Use 'true' not '1'.
4784         (dwarf2out_switch_text_section): Set have_multiple_function_sections.
4785         (output_loc_list): Use have_multiple_function_sections.
4786         (output_ranges): Likewise.
4787         (dwarf2out_begin_function): Set have_multiple_function_sections if
4788         necessary.
4789         (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
4790         Check function_section rather than DECL_SECTION_NAME.
4791         (dwarf2out_finish): Use have_multiple_function_sections.
4792         Don't clear have_location_lists.
4793
4794 2006-01-02  Eric Botcazou  <ebotcazou@adacore.com>
4795             Jan Hubicka  <jh@suse.cz>
4796
4797         * cfglayout.c (fixup_reorder_chain): Remove kludge for the
4798         case of conditional jump jumping to the next instruction.
4799         * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
4800         cases of conditional jump jumping to the next instruction.
4801
4802 2006-01-02  Jan Hubicka  <jh@suse.cz>
4803
4804         * i386.c (*_cost): Add COSTS_N_INSNS.
4805         (ix86_rtx_costs): Do not use COSTS_N_INSNS.
4806
4807 2006-01-02  Paolo Bonzini  <bonzini@gnu.org>
4808
4809         PR target/25259
4810         * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
4811
4812 2006-01-02  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
4813
4814         * config/arm/arm.c (all_fpus): Fix comment typo.
4815         * config/darwin.c: Likewise.
4816         * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
4817         * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
4818         * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
4819
4820 2006-01-01  David Edelsohn  <edelsohn@gnu.org>
4821
4822         * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
4823         (rs6000_split_compare_and_swapqhi): New.
4824         * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
4825         (sync_compare_and_swapqhi_internal): New.
4826         * config/rs6000/rs6000-protos.h: Declare.