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* stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2006-02-16  Jeff Law  <law@redhat.com>
2
3         * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
4         for sizetype when sizetype is unsigned.
5
6 2006-02-16  Denis Nagorny <denis_nagorny@linux.intel.com>
7
8         PR rtl-optimization/25603
9         * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
10         (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
11         * reload1.c (choose_reload_regs): Added call of regno_clobbered_p 
12         with new meaning of SETS.
13
14 2006-02-16  Joseph S. Myers  <joseph@codesourcery.com>
15
16         PR target/20353
17         PR target/24578
18         PR target/24837
19         * config/linux.opt: New file.
20         * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
21         LINUX_DYNAMIC_LINKER): Define.
22         (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
23         * config.gcc (*-*-linux*): Define extra_options.
24         (*-*-*uclibc*): Define UCLIBC_DEFAULT.
25         (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
26         * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
27         GLIBC_DYNAMIC_LINKER.
28         * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
29         (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
30         * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
31         (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
32         * doc/invoke.texi (GNU/Linux Options): New section.
33
34 2006-02-16  Eric Botcazou  <ebotcazou@libertysurf.fr>
35
36         * config/sparc/sparc.md (setjmp): Rewrite.
37         (setjmp_32): Delete.
38         (setjmp_64): Likewise.
39
40 2006-02-16  Daniel Berlin <dberlin@dberlin.org>
41
42         * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
43          previous change.
44
45 2006-02-16  Zdenek Dvorak <dvorakz@suse.cz>
46
47         * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
48         read-write uses.
49
50 2006-02-16  Zdenek Dvorak <dvorakz@suse.cz>
51
52         PR rtl-optimization/26296
53         * Makefile.in (loop-invariant.c): Add except.h dependency.
54         * loop-invariant.c: Include except.h.
55         (find_invariant_insn): Ignore insns satisfying can_throw_internal.
56
57 2005-02-16  Paul Brook  <paul@codesourcery.com>
58
59         * reload1.c (emit_reload_insns): Invalidate dead input registers used
60         for reloads.
61
62 2006-02-16  Bernd Schmidt  <bernd.schmidt@analog.com>
63
64         PR rtl-optimization/25636
65         * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
66         when deciding whether an insn is an initializing insn.
67
68 2006-02-15 Daniel Berlin  <dberlin@dberlin.org>
69
70         * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
71         (tree_code_size): Ditto.
72         * tree.h (struct tree_memory_tag): Remove parent_var.
73         (struct tree_struct_field_tag): New.
74         (SFT_OFFSET): New.
75         (SFT_SIZE): New.
76         (union tree_node): Add sft member.
77         * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
78         specially here.
79         (create_sft): Add size and offset argument, set SFT_OFFSET and
80         SFT_SIZE.
81         (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
82         * treestruct.def: Add TS_STRUCT_FIELD_TAG.
83         * tree-flow-inline.h (get_subvar_at): Update for
84         SFT_OFFSET/SFT_SIZE.
85         (var_can_have_subvars): Ditto.
86         (overlap_subvar): Ditto.
87         * print-tree.c (print_node): Print out interesting things for
88         SFT's.
89         * tree-flow.h (struct subvar): Remove offset and size members.
90         * tree-ssa-operands.c (get_expr_operands): Update for
91         get_indirect_ref_operands changes.
92         (get_indirect_ref_operands): Call add_virtual_operand instead of
93         add_stmt_operand.  Only recurse on base var if requested.
94         (access_can_touch_variable): New function.
95         (add_stmt_operand): Split virtual operand handling into ...
96         (add_virtual_operand): Here.  Add offset, size, and for_clobber
97         arguments.  Prune alias sets.
98         (add_call_clobber_ops): Call add_virtual_operand.
99         
100 2006-02-15  Jakub Jelinek  <jakub@redhat.com>
101
102         PR middle-end/26300
103         * combine.c (make_extraction): Bail out if ORIG_POS is negative.
104
105         * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
106         than TREE_CODE as index into omp_clause_num_ops array.
107
108 2006-02-15  Uttam Pawar  <uttamp@us.ibm.com>
109
110         PR rtl-optimization/26184
111         * modulo-sched.c (generate_reg_moves): Free bitmap vector
112         uses_of_defs.
113         * modulo-sched.c (sms_schedule): Free g_arr pointer.
114         * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
115         must_precede, must_follow and tobe_scheduled.
116
117         PR other/26147
118         * opts.c (common_handle_option): Free new_option pointer.
119         * df-core.c (df_analyze): Free postorder pointer.
120
121 2006-02-15  Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
122
123         * Makefile.in: Fix the examples about the use of stamps
124
125 2006-02-15  Michael Matz  <matz@suse.de>
126
127         PR middle-end/22275
128
129         * stor-layout.c (layout_decl): Zero-width bitfields aren't
130         influenced by maximum_field_alignment or DECL_PACKED.
131         (update_alignment_for_field): Ditto.
132         (place_field): Ditto.
133         * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
134         this behaviour.
135
136 2006-02-15  Paolo Bonzini  <bonzini@gnu.org>
137
138         * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
139         (debug_flow_info): Pass it.
140         * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
141         * bb-reorder.c (reorder_basic_blocks): Likewise.
142         * cfgcleanup.c (rest_of_handle_jump2): Likewise.
143         * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
144         * flow.c (life_analysis, recompute_reg_usage): Likewise.
145         * gcse.c (gcse_main, bypass_jumps): Likewise.
146         * ifcvt.c (rest_of_handle_if_conversion): Likewise.
147         * local-alloc.c (rest_of_handle_local_alloc): Likewise.
148         * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
149         * profile.c (compute_branch_probabilities, branch_prob): Likewise.
150         * rtl.h (dump_flow_info): Adjust prototype.
151         * tracer.c (rest_of_handle_tracer, tracer): Likewise.
152         * var-tracking.c (variable_tracking_main): Likewise.
153         * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
154         * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
155         options.
156
157 2006-02-15  Marcin Dalecki <martin@dalecki.de>
158
159         * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
160         construction.
161
162 2006-02-14  Zdenek Dvorak <dvorakz@suse.cz>
163
164         PR tree-optimization/26209
165         * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
166         * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
167         eh edges.
168         * tree-cfg.c (replace_uses_by): Do not alter cfg.
169
170 2006-02-14  Roger Sayle  <roger@eyesopen.com>
171
172         PR middle-end/23670
173         * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
174         (X,Y) and the corresponding symmetry related transformations.
175         (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
176         (X,Y) and its symmetry related transformations.
177
178 2006-02-14  Roger Sayle  <roger@eyesopen.com>
179
180         * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
181         and GEU.
182
183 2006-02-14  Adam Nemet  <anemet@caviumnetworks.com>
184
185         * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
186
187 2006-02-14  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
188
189         PR bootstrap/26053
190         * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
191         support COMDAT group.
192         * configure: Regenerate.
193
194 2006-02-14  Roger Sayle  <roger@eyesopen.com>
195
196         PR middle-end/26279
197         PR middle-end/26280
198         PR middle-end/26283
199         * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
200
201 2006-02-14  Daniel Berlin  <dberlin@dberlin.org>
202
203         Fix PR tree-optimization/26260
204
205         * doc/invoke.texi (max-fields-for-field-sensitive): Document
206         param.
207         * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
208         * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
209         * tree-ssa-structalias.c (create_variable_info_for): Use
210         MAX_FIELDS_FOR_FIELD_SENSITIVE.
211         
212 2006-02-14  Zdenek Dvorak <dvorakz@suse.cz>
213
214         * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
215         Document.
216         * tree-ssa-loop-niter.c (number_of_iterations_ne,
217         number_of_iterations_lt, number_of_iterations_cond): Remember the shape
218         of the ending condition.
219         * tree-ssa-loop-manip.c: Include params.h.
220         (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
221         tree_unroll_loop): New functions.
222         * tree-pass.h (pass_loop_prefetch): Declare.
223         * loop.c (rest_of_handle_loop_optimize): Test for
224         -fprefetch-loop-arrays-rtl.
225         * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
226         * timevar.def (TV_TREE_PREFETCH): New timevar.
227         * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
228         pass_loop_prefetch): New.
229         * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
230         (cleanup_tree_cfg_loop): Call scev_reset.
231         * common.opt (fprefetch-loop-arrays-rtl): Add.
232         * tree-ssa-loop-prefetch.c: New file.
233         * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
234         (new_temp_expr_table): Initialize expr_vars.
235         (free_temp_expr_table): Cleanup expr_vars.
236         (check_replaceable, find_replaceable_in_bb): Prevent accumulating
237         expressions from being merged into one.
238         * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
239         (struct tree_niter_desc): Add control, bound and cmp fields.
240         (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
241         Declare.
242         * Makefile.in (tree-ssa-loop-prefetch.o): Add.
243         (tree-cfgcleanup.o): Add SCEV_H dependency.
244         (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
245         * passes.c (init_optimization_passes): Add pass_loop_prefetch.
246
247 2006-02-14  Richard Guenther  <rguenther@suse.de>
248
249         PR tree-optimization/26258
250         * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
251         in PHI argument processing.
252
253 2006-02-13  Adam Nemet  <anemet@caviumnetworks.com>
254
255         * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
256         new expression in the requested machine mode.
257
258 2006-02-13  Roger Sayle  <roger@eyesopen.com>
259
260         * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
261         directly, instead let do_compare_rtx_and_jump handle this for us.
262         * expr.c (expand_expr_real_1): Likewise.
263         * dojump.c (do_jump_by_parts_greater_rtx): Make static.  Move
264         before do_jump_by_parts_greater.
265         (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
266         * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
267
268 2006-02-13  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
269
270         * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
271
272 2006-02-13  Zdenek Dvorak <dvorakz@suse.cz>
273
274         PR rtl-optimization/26235
275         * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
276         (invariant_expr_equal_p): Handle 'i' and 'n' formats.  Fail on unknown
277         format.
278
279 2006-02-13  Jeff Law  <law@redhat.com>
280
281         * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
282         TRUTH_XOR_EPR.
283
284 2006-02-13  Jakub Jelinek  <jakub@redhat.com>
285
286         PR middle-end/26092
287         * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
288         twice if decl is a builtin.  When trying again, call get_callee_fndecl
289         first to verify it is still a builtin.
290
291 2006-02-13  Geoffrey Keating  <geoffk@apple.com>
292
293         * dwarf2out.c (base_type_die): Don't add AT_name here.
294         (subrange_type_die): Don't add AT_name here.
295         (modified_type_die): Rearrange code flow.  Do add AT_name here.
296
297 2006-02-13  Zdenek Dvorak <dvorakz@suse.cz>
298
299         PR rtl-optimization/26247
300         PR rtl-optimization/26248
301         * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
302
303 2006-02-13  Richard Sandiford  <richard@codesourcery.com>
304
305         * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
306         * config/fixtfdi.c: Likewise.
307         * config/fixunstfdi.c: Likewise.
308         * config/floatditf.c: Likewise.
309
310 2006-02-13  Roger Sayle  <roger@eyesopen.com>
311
312         PR middle-end/24427
313         * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
314         into (X,C2) if C1 is a subset of the bits of C2.  Transform
315         (X&C1)|C2 into X|C2 if C1|C2 == ~0.  Canonicalize (X&C1)|C2 as
316         (X&(C1&~C2))|C2.
317         <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
318
319 2006-02-13  Josh Conner  <jconner@apple.com>
320
321         PR target/25376
322         * varasm.c (function_section): Check for section name before
323         calling select_section on targets that define
324         USE_SELECT_SECTION_FOR_FUNCTIONS.  On other targets, use
325         unlikely_text_section instead of hot_function_section if
326         first_function_block_is_cold.
327
328 2006-02-13  J"orn Rennecke <joern.rennecke@st.com>
329
330         PR middle-end/25335
331         * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
332
333 2006-02-12  Zdenek Dvorak <dvorakz@suse.cz>
334
335         PR rtl-optimization/26222
336         * function.c (assign_stack_temp_for_type): Do not reuse stack slots
337         after tree->rtl expansion.
338         * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
339         before passing it to emit_move_insn.
340
341 2006-02-12  Gabriel Dos Reis  <gdr@integrable-solutions.net>
342
343         * doc/invoke.texi (-Write-strings): Document that it is enabled by
344         default. 
345         * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
346         Clarify documentation.
347         * c-common.h (warn_write_strings): Remove.
348         * c-common.c (warn_write_strings): Likewise.
349         * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
350         default for C++.
351
352 2006-02-12  Roger Sayle  <roger@eyesopen.com>
353
354         PR middle-end/25724
355         * dojump.c (do_jump): Call do_compare_rtx_and_jump.
356         (do_jump_parts_zero_rtx): New function renamed from
357         do_jump_parts_equality_rtx.  Made static.  Add a mode argument.
358         (do_jump_parts_equality_rtx): New function split out from
359         do_jump_parts_equality.  Old implementation renamed as above.
360         Call do_jump_parts_zero_rtx if either operand is zero.
361         (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
362         do all of the heavy lifting.
363         (do_compare_rtx_and_jump): Handle multi-word comparisons by
364         calling either do_jump_by_parts_greater_rtx or
365         do_jump_by_parts_equality_rtx.
366         * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
367         * expmed.c (do_cmp_and_jump): Now multi-word optimization has
368         moved to do_compare_rtx_and_jump, call it directly.
369         * stmt.c (do_jump_if_equal): Remove static prototype.  Add a
370         mode argument.  Call do_compare_rtx_and_jump.
371         (emit_case_nodes): Update calls to do_jump_if_equal.
372
373 2006-02-12  Zdenek Dvorak <dvorakz@suse.cz>
374
375         PR rtl-optimization/26225
376         * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
377
378 2006-02-12  Zdenek Dvorak <dvorakz@suse.cz>
379
380         PR rtl-optimization/26232
381         * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
382
383 2006-02-11  Jason Merrill  <jason@redhat.com>
384
385         PR tree-opt/24365
386         * tree-inline.c (declare_return_variable): Just don't use the
387         modify target if it's a gimple complex reg and the return slot
388         isn't.
389
390 2006-02-11  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
391
392         * doc/contrib.texi: Update my entry.
393
394 2006-02-10  Geoffrey Keating  <geoffk@apple.com>
395
396         * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
397
398 2006-02-10  Diego Novillo  <dnovillo@redhat.com>
399
400         * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
401         expensive.
402
403 2006-02-10  Zdenek Dvorak <dvorakz@suse.cz>
404
405         * doc/invoke.texi (-floop-optimize2): Removed.
406         * toplev.c (process_options): Remove handling of flag_loop_optimize2.
407         * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
408         Test flag_branch_on_count_reg only if HAVE_doloop_end.
409         * common.opt (floop-optimize2): Removed.
410         (fmove-loop-invariants): Enabled by default.
411
412 2006-02-10  Sebastian Pop  <pop@cri.ensmp.fr>
413
414         * tree-if-conv.c (combine_blocks): Free the result of
415         get_loop_exit_edges.
416
417 2006-02-10  Jeff Law  <law@redhat.com>
418
419         * fold-const.c (tree_expr_nonzero_p): Fix thinko.
420
421         PR tree-optimization/26213
422         * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
423         loop trying to follow SSA_NAME_VALUE chains.
424
425 2006-02-10  Richard Guenther  <rguenther@suse.de>
426
427         * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
428         deal with structures that end in implicitly variable sized arrays.
429
430 2006-02-09  Zdenek Dvorak <dvorakz@suse.cz>
431
432         PR rtl-optimization/24762
433         * df-scan.c (df_bb_refs_record): Record correct registers defined on
434         eh edges.
435
436 2006-02-09  Zdenek Dvorak <dvorakz@suse.cz>
437
438         * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
439         (struct ivopts_data): Add regs_used field.
440         (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
441         (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
442         instead of loop_data->regs_used;
443         (free_loop_data): Do not free aux fields for loops.
444         (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
445         and tree_ssa_iv_optimize_finalize.
446
447 2006-02-09  Kaz Kojima  <kkojima@gcc.gnu.org>
448
449         * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
450
451 2006-02-09  J"orn Rennecke <joern.rennecke@st.com>
452
453         PR target/26141
454         * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
455         computing the effective result type.
456
457 2006-02-09  J"orn Rennecke <joern.rennecke@st.com>
458
459         PR inline-asm/16194
460         * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
461         (tree_overlaps_hard_reg_set): Declare.
462         * stmt.c (decl_overlaps_hard_reg_set_p): Now static.  Change return
463         type and signature to match function type expected by walk_tree.
464         (tree_overlaps_hard_reg_set): New function.
465         (decl_conflicts_with_clobbers_p): Rename to:
466         (tree_conflicts_with_clobbers_p).  Take HARD_REG_SET * argument.
467         Use tree_overlaps_hard_reg_set.  Changed caller.
468         * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
469         decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
470         * cris.c (cris_md_asm_clobbers): Likewise.
471
472 2006-02-09  Bernd Schmidt  <bernd.schmidt@analog.com>
473
474         * reload1.c (emit_input_reload_insns): Delete code that tries to
475         inherit using find_equiv_reg.
476
477 2006-02-09  Gabriel Dos Reis  <gdr@integrable-solutions.net>
478
479         * c-common.h (flag_const_strings): Don't declare.
480         * c-common.c (flag_const_strings): Remove.
481         * c.opt (fconst_strings): Remove.
482         * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
483         <OPT_Wwrite_strings>: Don't set flag_const_strings.
484         (c_common_init_options): Don't set flag_const_strings.
485         * doc/invoke.texi (-fno-const-strings): Remove documentation.
486
487 2006-02-09  Richard Earnshaw  <richard.earnshaw@arm.com>
488
489         * arm.md (tlobits_cbranch): New pattern.
490         * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
491         testing a single bit.
492
493 2006-02-09  Andrew Pinski  <pinskia@physics.uc.edu>
494
495         PR tree-opt/26179
496         * tree-ssa-pre.c (create_component_ref_by_pieces):
497         Handle RETURN_DECL like VAR_DECL.
498
499 2006-02-09  Andrew Pinski  <pinskia@physics.uc.edu>
500
501         PR middle-end/26134
502         * fold-const.c (fold_indirect_ref_1): Fold 
503         "*(foo *)&complexfoo" to "__real__ complexfoo"
504         and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
505
506 2006-02-09  Andrew Pinski  <pinskia@physics.uc.edu>
507
508         * tree-flow-inline.h (var_can_have_subvars): 
509         Volatile variables should not have subvariables.
510
511 2006-02-09  Diego Novillo  <dnovillo@redhat.com>
512
513         PR 26180
514         * tree-vrp.c (vrp_int_const_binop): Detect overflow when
515         multiplying unsigned values.
516         Tidy comments.
517
518 2006-02-09  Eric Botcazou  <ebotcazou@libertysurf.fr>
519
520         * config/sparc/sparc.c (tls_call_delay): Fix oversight.
521
522 2006-02-08  Jason Merrill  <jason@redhat.com>
523
524         PR c++/25979
525         * tree.def: Elaborate on difference from MODIFY_EXPR.
526         * doc/c-tree.texi (INIT_EXPR): Likewise.
527         * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
528         (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
529         (gimplify_target_expr): Likewise.
530         (gimplify_cond_expr): Remove target handling.
531         (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
532         (gimplify_expr): Clobber it here.
533         (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
534         Do return slot optimization if we have an INIT_EXPR.
535
536         PR tree-opt/24365
537         * tree-inline.c (declare_return_variable): Also clear 
538         DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
539
540         PR c++/16405
541         * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
542
543         PR middle-end/22439
544         * gimplify.c (gimplify_one_sizepos): Fix typo.
545
546 2006-02-08  Jeff Law  <law@redhat.com>
547
548         PR tree-optimization/21417
549         * tree-ssa-threadedge.c (thread_across_edge): Reject threading
550         across a backedge if the control statement at the end of the
551         block is data dependent on other statements in the same block.
552         (record_temporary_equivalences_from_stmts): Remove over-conservative
553         test for threading across backedges.
554
555         * tree-ssa-dce.c (remove_dead_statement): When removing a dead
556         control statement, handle all three special cases in the same
557         manner as they all have the same desired solution.  No longer
558         special case edge flag updating when the post dominator is
559         the exit block.
560
561 2006-02-08  Roger Sayle  <roger@eyesopen.com>
562
563         * tree.def (CHAR_TYPE): Remove.
564         * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
565         * dwarf2out.c (base_type_die, is_base_type): Likewise.
566         (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
567         (gen_string_type_die): Delete unreachable function.
568
569         * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
570         * tree.c (build_int_cst_wide, type_contains_placeholder_1,
571         type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
572         * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
573         * builtins.c (type_to_class): Likewise.
574         * fold-const.c (fold_convert, build_range_check,
575         merge_ranges): Likewise.
576         * expr.c (count_type_elements): Likewise.
577         * c-pretty-print.c (pp_c_type_specifier): Likewise.
578         * stor-layout.c (layout_type): Likewise.
579         * ipa-type-escape.c (type_to_consider): Likewise.
580         * gimplify.c (omp_firstprivatize_type_sizes,
581         gimplify_type_sizes): Likewise.
582         * explow.c (promote_mode): Likewise.
583         * tree-sra.c (is_sra_scalar_type): Likewise.
584         * varasm.c (output_constant): Likewise.
585         * tree-inline.c (remap_type_1): Likewise.
586         * convert.c (convert_to_pointer, convert_to_real,
587         convert_to_integer, convert_to_complex): Likewise.
588
589 2006-02-08  Daniel Berlin  <dberlin@dberlin.org>
590
591         * df-scan.c (df_def_record_1): A set destination may
592         be a parallel regardless of mode.
593
594 2006-02-08  Roger Sayle  <roger@eyesopen.com>
595
596         PR target/22209
597         * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
598         * config/mips/_tilib.c: Remove.
599         * config/fixtfdi.c: New libgcc source file.
600         * config/fixunstfdi.c: New source file.
601         * config/floatditf.c: New source file.
602         * config/floatunditf.c: New souce file.
603         * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
604         files above instead of config/mips/_tilib.c.
605         * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
606
607 2006-02-08  Jeff Law  <law@redhat.com>
608
609         PR tree-optimization/26169
610         * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
611         threading jumps.
612
613 2006-02-08  Zdenek Dvorak <dvorakz@suse.cz>
614
615         * df.h (DF_REG_SIZE): Return the length of the initialized
616         part of the array.
617
618 2006-02-08  Nathan Sidwell  <nathan@codesourcery.com>
619
620         * gcc/config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
621         __muldf3): Return a correctly signed zero.
622
623 2006-02-08  Paolo Bonzini  <bonzini@gnu.org>
624
625         * passes.c (register_one_dump_file): Accept the current properties
626         instead of pass number.  Adjust call to dump_register.  Remove
627         duplicated code.
628         (register_dump_files): Now a wrapper around...
629         (register_dump_files_1): ... this one.  Do not modify the pass
630         structure.
631         (next_pass_1): Cosmetic fix.
632         (execute_todo): Keep second parameter only.  Use curr_properties
633         instead of fetching it from the pass structure.  Check and set
634         last_verified.
635         (execute_one_pass): Handle TODO_set_props.  Use curr_properties
636         instead of fetching it from the pass structure.  Fix calls to
637         execute_todo.  Update curr_properties and initialize .vcg RTL dump
638         after running the pass.  Reset last_verified.
639         * tree-dump.c (dump_files): Renumber consecutively.  Put .cgraph dump
640         at the beginning.
641         (FIRST_AUTO_NUMBERED_DUMP): New.
642         (dump_register): Remove "num" parameter, assign it within the
643         function.
644         (get_dump_file_name): Modify template for dumps.
645         * tree-dump.h (dump_register): Adjust prototype.
646         * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
647         (PROP_trees): Add PROP_gimple_lomp.
648         (TODO_set_props): New.
649         * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
650         * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
651         * cfgexpand.c (pass_expand): Destroy PROP_trees.
652
653 2006-02-08  Jakub Jelinek  <jakub@redhat.com>
654
655         * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
656         (sparc64-*-linux*): Likewise.
657         * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
658         * config/sparc/t-linux: New file.
659         * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
660         __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
661         (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
662         -m32 -mlong-double-128.
663
664         * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
665         * config/alpha/t-linux: New file.
666         * config/alpha/libgcc-alpha-ldbl.ver: New file.
667
668         * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
669         __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
670         (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
671         * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
672         __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
673         (CPP_ARCH32_SPEC): Remove.
674
675 2006-02-07  Uttam Pawar  <uttamp@us.ibm.com>
676
677         PR tree-optimization/26145
678         * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
679         bbs pointer.
680
681 2006-02-07  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
682
683         PR target/26109
684         * pa.c (attr_length_indirect_call): Don't return length 8 for distances
685         >= 240000 when generating code for SOM runtime.
686         (output_indirect_call): Don't use "b,l" instruction for indirect calls
687         to $$dyncall when generating code for SOM runtime..
688
689 2006-02-07  Dirk Mueller  <dmueller@suse.com>
690
691         PR c++/18150
692         * doc/invoke.texi (-Wsequence-point): Update documentation
693         that -Wsequence-point is implemented for C++ as well.
694
695 2006-02-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
696
697         * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
698         * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
699         (LIB_SPEC): Likewise.
700         * doc/invoke.texi (SPARC options): Document -pthread.
701
702 2006-02-07  Geoffrey Keating  <geoffk@apple.com>
703
704         * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
705         PIC addresses.
706
707 2006-02-07  Roger Sayle  <roger@eyesopen.com>
708
709         * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
710         Correct comment describing BOOLEAN_TYPE.
711
712 2006-02-07  Dirk Mueller  <dmueller@suse.com>
713
714         * c.opt: C++ frontend supports -Wdiv-by-zero.
715         * c-opts.c (c_common_handle_option): Remove dead case.
716
717 2006-02-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
718
719         * configure.ac (TLS assembler check): Do not enable TLS by
720         default on SPARC/Solaris before version 10.
721         * configure: Regenerate.
722
723 2006-02-07  David Edelsohn  <edelsohn@gnu.org>
724
725         * doc/invoke.texi (xl-compat): Document conversion and support
726         routine names.
727
728 2006-02-07  Jeff Law  <law@redhat.com>
729
730         * tree-vrp.c (find_conditional_asserts): Update comments.
731         (simplify_stmt_for_jump_threading): New.
732         (identify_jump_threads, finalize_jump_threads): New.
733         (vrp_finalize): Call identify_jump_threads.
734         (execute_vrp): Call finalize_jump_threads.
735         * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
736         (vrp_element, vrp_data, vrp_element_p): Remove.
737         (vrp_hash_elt, vrp_variables_stack): Remove.
738         (vrp_hash, vrp_eq, record_range): Remove.
739         (simplify_cond_and_lookup_avail_expr): Remove.
740         (extract_range_from_cond): Remove.
741         (thread_across_edge): Relocated into tree-ssa-threadedge.c.
742         (simplify_stmt_for_jump_threading): New.
743         (dom_thread_across_edge): New wrapper.
744         (tree_ssa_dominator_optimize): No longer initialize or
745         finalize any of the VRP datastructures.  Remove iteration
746         step and simplify as a result of removal of iteration step.
747         (pass_dominator): Perform a cfg cleanup after DOM.
748         (dom_opt_finalize_block): Use the new common routines
749         for threading jumps.  Simplify stack management slightly.
750         No longer need to unwind VRP state.
751         (record_equivalences_from_incoming_edge): No longer record
752         VRP information.
753         (eliminate_redundant_computations): No longer call
754         simplify_cond_and_lookup_avail_expr.
755         * tree-flow.h (potentially_threadable_block): Prototype.
756         (thread_across_edge): Likewise.
757         * Makefile.in (OBJS-common):  Add tree-ssa-threadedge.o
758         (tree-ssa-threadedge.o): Add dependencies.
759         * tree-ssa-threadedge.c: New file.
760         * passes.c (init_optimization_passes): Merge PHIs before
761         calling VRP.  Run VRP again late in the SSA optimization pipeline.
762
763 2006-02-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
764
765         * df-core.c (df_set_blocks): Do not dereference function pointers.
766         (df_finish1): Likewise.
767         (df_hybrid_search_forward): Likewise.
768         (df_hybrid_search_backward): Likewise.
769         (df_iterative_dataflow): Likewise.
770         (df_analyze_problem): Likewise.
771         (df_compact_blocks): Likewise.
772         (df_dump): Likewise.
773         * df-scan.c (df_rescan_blocks): Likewise.
774         (df_record_entry_block_defs): Likewise.
775
776         * genconditions.c (write_conditions): Guard the definition of
777         'insn_conditions' with the check on GCC version.
778         (write_writer): Guard the traversal 'insn_conditions' with
779         the check on GCC version.
780
781 2006-02-07  Richard Guenther  <rguenther@suse.de>
782
783         PR c++/26140
784         Revert
785         2006-01-30  Richard Guenther  <rguenther@suse.de>
786         PR c++/23372
787         * gimplify.c (gimplify_target_expr): Handle easy cases
788         without creating a temporary.
789
790 2006-02-07  Pete Steinmetz  <steinmtz@us.ibm.com>
791
792         * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
793         use of float in probability computations.  Use edge probabilities
794         in place of statically computed probabilities.
795         (min_spec_prob): New static variable.
796         (schedule_insns): Initialize it.
797         (GET_SRC_PROB): Removed.
798         * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
799
800 2006-02-07  Alexandre Oliva  <aoliva@redhat.com>
801
802         PR debug/24444
803         * config/ia64/unwind-ia64.c: Revert last change.
804         * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
805         (INCOMING_FRAME_SP_OFFSET): Define.
806
807 2006-02-06  Roger Sayle  <roger@eyesopen.com>
808
809         * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
810
811 2006-02-07  Ben Elliston  <bje@au.ibm.com>
812
813         * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
814         (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
815         (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
816         (ix86_return_in_memory): Handle TDmode.
817         (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
818         (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
819
820 2006-02-06  Richard Sandiford  <richard@codesourcery.com>
821
822         * reorg.c (dbr_schedule): Use dump_file instead of file.
823
824 2006-02-06  Steve Ellcey  <sje@cup.hp.com>
825
826         PR target/25917
827         * config/ia64/predicates.md (extr_len_operand): New predicate.
828         * config/ia64/ia64.md (extv): Tighten constraints.
829         (extzv): Ditto.
830         (*tbit_and_2): Ditto.
831         (*tbit_and_3): Ditto.
832         (*tbit_or_2): Ditto.
833         (*tbit_or_3): Ditto.
834         (*bit_zero): Ditto.
835         (*bit_one): Ditto.
836
837 2006-02-06  Andrew Pinski  <pinskia@physics.uc.edu>
838
839         PR target/23359
840         * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
841
842 2006-02-06  Zdenek Dvorak <dvorakz@suse.cz>
843
844         * tree-vrp.c (execute_vrp): Do not pass dump argument to.
845         loop_optimizer_init and loop_optimizer_finalize
846         * tree-ssa-sink.c (execute_sink_code): Ditto.
847         * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
848         * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
849         tree_ssa_loop_done): Ditto.
850         * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
851         * sched-ebb.c: Include output.h.
852         (schedule_ebbs): Do not use dump argument.
853         * value-prof.h (struct profile_hooks): Remove profile_dump_file.
854         * loop.c (loop_dump_stream): Removed.
855         (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
856         argument.
857         (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
858         emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
859         final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
860         loop_iterations, strength_reduce, record_biv, record_giv,
861         final_giv_value, check_final_value, check_ext_dependent_givs,
862         combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
863         try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
864         dump_file instead of loop_dump_stream.
865         * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
866         argument dump_file.
867         * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
868         dump argument.
869         * flow.c (life_analysis, rest_of_handle_life): Ditto.
870         * haifa-sched.c: Include output.h
871         (schedule_insns, sched_init): Do not use dump argument.
872         * mode-switching.c (optimize_mode_switching): Ditto.
873         * modulo-sched.c (stats_file): Removed.
874         (print_node_sched_params): Do not call argument dump_file.
875         (sms_schedule_by_order, loop_canon_p, sms_schedule,
876         rest_of_handle_sms): Do not use dump argument.  Use dump_file instead
877         of stats_file.
878         * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
879         use dump argument.
880         * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
881         rtl_loop_init, rtl_loop_done): Ditto.
882         * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
883         * predict.c (combine_predictions_for_bb, tree_estimate_probability):
884         Ditto.
885         * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
886         * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
887         * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
888         rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
889         * emit-rtl.c (renumber_insns): Ditto.
890         * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
891         expand_gimple_basic_block, tree_expand_cfg): Ditto.
892         * regclass.c (regclass): Ditto.
893         * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
894         remove_ssa_form, rewrite_out_of_ssa): Ditto.
895         * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
896         convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
897         Ditto.
898         * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
899         * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
900         to regclass.
901         * gcse.c (gcse_file, debug_stderr): Removed.
902         (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
903         rest_of_handle_gcse): Do not use dump argument.
904         (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
905         one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
906         pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
907         compute_code_hoist_vbeinout, compute_code_hoist_data,
908         one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
909         compute_store_table, build_store_vectors, insert_insn_start_bb,
910         insert_store, remove_reachable_equiv_notes, replace_store_insn,
911         store_motion): Use dump_file instead of gcse_file.
912         * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
913         * profile.c (profile_dump_file): Removed.
914         (branch_prob): Use dump_file instead of profile_dump_file.
915         * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
916         dump_file.
917         * tree-ssa-copy.c (dump_copy_of): Ditto.
918         * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
919         dump file to life_analysis.
920         * bt-load.c (branch_target_load_optimize): Ditto.
921         * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
922         renumber_insns.
923         * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
924         regclass, dbr_schedule): Declaration changed.
925         * sched-int.h (sched_init): Declaration changed.
926         * tree-profile.c (tree_profile_dump_file): Removed.
927         (tree_profile_hooks): Removed profile_dump_file hook.
928         * rtl-profile (rtl_profile_dump_file): Removed.
929         (rtl_profile_hooks): emoved profile_dump_file hook.
930         * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
931         changed.
932         * c-gimplify.c (c_genericize): Do not call local variable dump_file.
933         * tree-cfg.c (build_tree_cfg): Ditto.
934         * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
935         * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
936         Declaration changed.
937         * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
938         life_analysis and schedule_insns.
939         * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
940         life_analysis.
941         * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
942         dbr_schedule.
943         * config/mips/mips.c (mips_reorg): Ditto.
944         * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
945         schedule_ebbs.
946
947 2006-02-06  Aldy Hernandez  <aldyh@redhat.com>
948
949         * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
950         (s390_mangle_fundamental_type): New.
951         * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
952         Define.
953
954         * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
955         (alpha_mangle_fundamental_type): New.
956         * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
957         Define.
958
959         * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
960         Define.
961         * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
962         Define.
963         * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
964         (sparc_mangle_fundamental_type): New.
965
966 2006-02-06  Jakub Jelinek  <jakub@redhat.com>
967
968         * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
969         (s390x-*-linux*): Likewise.
970         * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
971         * config/s390/t-linux: New file.
972
973 2006-02-02  Bernd Schmidt  <bernd.schmidt@analog.com>
974
975         * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
976         sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
977
978 2006-02-06  Daniel Berlin  <dberlin@dberlin.org>
979
980         * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
981         (ANTIC_SAFE_LOADS): New macro.
982         (find_or_generate_expression): Add prototype.
983         (set_contains_value): Allow null set for sake of not always having
984         to allocate ANTIC_SAFE_LOADS.
985         (phi_translate): Move placement of AGGREGATE_TYPE_P check.
986         Allow COMPONENT_REF too.
987         (valid_in_set): Allow COMPONENT_REF.
988         Check ANTIC_SAFE_LOADS too.
989         (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
990         (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
991         rename.
992         (can_PRE_operation): Add COMPONENT_REF.
993         (create_component_ref_by_pieces): New function.
994         (create_expression_by_pieces): Use create_component_ref_by_pieces.
995         (insert_aux): Move AGGREGATE_TYPE_P check here.
996         (compute_avail): Set bb local stmt uids.
997         (pass_pre): Use TODO_update_ssa_only_virtuals.
998         
999 2006-02-06  Ben Elliston  <bje@au.ibm.com>
1000
1001         * configure.ac: Unconditionally disable decimal float by default.
1002         * configure: Regenerate.
1003
1004 2006-02-06  Ben Elliston  <bje@au.ibm.com>
1005
1006         * read-rtl.c (read_name): Terminate reading on EOF.
1007
1008 2006-02-06  Ben Elliston  <bje@au.ibm.com>
1009
1010         * dfp.c (decimal_real_arithmetic): Change second argument type
1011         from int to enum tree_code. Do not always return true, but now
1012         return result of any call to decimal_do helper functions.
1013         * dfp.h (decimal_real_arithmetic): Update prototype.
1014
1015 2006-02-05  Eric Botcazou  <ebotcazou@libertysurf.fr>
1016
1017         * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
1018
1019 2006-02-05  Andrew Pinski  <pinskia@physics.uc.edu>
1020
1021         PR tree-opt/25251
1022         * tree-cfg.c (cleanup_dead_labels): Also don't remove
1023         forced labels.
1024
1025 2006-02-04  Zdenek Dvorak <dvorakz@suse.cz>
1026
1027         * tree-vrp.c (cfg_loops): Removed.
1028         (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
1029         Use current_loops instead of cfg_loops.  Pass flags to
1030         loop_optimizer_init.
1031         * cfgloopmanip.c (fix_loop_structure): Update only available
1032         information.
1033         * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
1034         loop_optimizer_init.
1035         * modulo-sched.c (build_loops_structure): Removed.
1036         (sms_schedule): Use loop_optimizer_init.
1037         * loop-init.c (loop_optimizer_init): Use flags to determine
1038         which properties of loops to prepare.
1039         (rtl_loop_init): Pass flags to loop_optimizer_init.
1040         * tree-ssa-sink.c (execute_sink_code): Ditto.
1041         * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
1042         * tree-ssa-pre.c (init_pre): Ditto.
1043         * cfgloop.h (LOOPS_NORMAL): New.
1044         (loop_optimizer_init): Declaration changed.
1045
1046 2006-02-05  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1047
1048         * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
1049         * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
1050         pa/t-pa.
1051         * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
1052         pa/t-pa.
1053         * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
1054         pa/x-ada.
1055         * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
1056         * pa/t-pa64: Delete quadlib.c rule.
1057         * pa/x-ada: Revert last change.
1058         * pa/t-pa: Revert last change.  Delete quadlib.c rule.
1059
1060 2006-02-04  Zdenek Dvorak <dvorakz@suse.cz>
1061
1062         PR rtl-optimization/26087
1063         * rtlanal.c (canonicalize_condition): Do not cross basic block
1064         boundaries.
1065
1066 2006-02-04  Alexandre Oliva  <aoliva@redhat.com>
1067
1068         PR debug/24444
1069         * config/ia64/ia64.c: Include debug.h.
1070         (MAX_ARTIFICIAL_LABEL_BYTES): New.
1071         (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
1072         (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
1073         (process_epilogue, process_set, process_for_unwind_directive):
1074         Output unwind info only if requested.  Add CFA info if requested.
1075         Add new arguments as needed.  Adjust callers.
1076         * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
1077         incorrect default.
1078         (DWARF2_FRAME_INFO): Define to zero.
1079         * config/ia64/unwind-ia64.c: Remove code that compensated for
1080         the CFA offset error fixed above.
1081         * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
1082         * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
1083         (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
1084         -funwind-tables and -fexceptions to enable frame info.
1085         (dwarf2out_frame_init): Define initial CFA even if
1086         DWARF2_UNWIND_INFO is disabled.  Call initial_return_save if
1087         DWARF2_UNWIND_INFO is nonzero, not just defined.
1088         (dwarf2out_frame_finish): Output non-EH call frame info only
1089         if DWARF2_FRAME_INFO is nonzero.
1090         (convert_cfa_to_loc_list,
1091         compute_frame_pointer_to_cfa_displacement): Define even if
1092         unwind info is not supported.
1093         (gen_subprogram_die): Use the above unconditionally.  Remove
1094         legacy alternate code.
1095         * toplev.c (compile_file): Compile in call to
1096         dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
1097         (lang_dependent_init): Ditto for dwarf2out_frame_init.
1098
1099 2006-02-04  David Edelsohn  <edelsohn@gnu.org>
1100             Jakub Jelinek  <jakub@redhat.com>
1101
1102         * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
1103         IBM extended float format long double as "g" on powerpc*-linux.
1104
1105 2006-02-03  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1106
1107         PR target/25926
1108         * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
1109         * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
1110
1111 2006-02-03  Jason Merrill  <jason@redhat.com>
1112
1113         PR c++/25979
1114         * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
1115
1116         PR middle-end/25977
1117         * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
1118         on the return slot if it's an NRV.
1119
1120 2006-02-03  Zdenek Dvorak <dvorakz@suse.cz>
1121
1122         * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
1123         (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
1124         rewrite_use): Do not handle USE_OUTER.
1125         (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
1126         add_iv_outer_candidates, may_replace_final_value,
1127         determine_use_iv_cost_outer, rewrite_use_outer): Removed.
1128         (find_interesting_uses_op): Functionality of
1129         find_interesting_uses_outer_or_nonlin moved here.
1130         (find_interesting_uses_outside): Use find_interesting_uses_op.
1131
1132 2006-02-03  Alan Modra  <amodra@bigpond.net.au>
1133
1134         PR target/25960
1135         * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
1136
1137 2006-02-03  Andreas Krebbel  <krebbel1@de.ibm.com>
1138             Ulrich Weigand  <uweigand@de.ibm.com>
1139
1140         PR target/25864
1141         * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
1142         "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
1143         * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
1144         * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr 
1145         and dxr fields.
1146         (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
1147         (s390_rtx_costs): Use the new fields to calculate rtx costs.
1148         (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
1149         Define secondary reloads for TFmode moves.
1150         (constant_modes): Add TFmode.
1151         (NR_C_MODES): Set to 8.
1152         * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
1153         builtin define.
1154         (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
1155         (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
1156         (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS, 
1157         CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
1158         * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf, 
1159         fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
1160         (FPR mode macro): Add TFmode.
1161         (DSF mode macro): New.
1162         (<de>, <dee> mode attributes): Removed.
1163         (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
1164         ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs", 
1165         "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee", 
1166         "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3", 
1167         "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm", 
1168         "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly", 
1169         "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
1170         "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc", 
1171         "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm", 
1172         "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
1173         "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly", 
1174         "*negabs<mode>2", "sqrt<mode>2"):
1175         Changed <de> to <xde>. R constraint replaced by <Rf>.
1176         ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by 
1177         <Rf>.
1178         ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
1179         ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
1180         ("*movtf_64", "*movtf_31"): New insn definitions followed by 5 
1181         splitters.
1182         ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2", 
1183         "extenddftf2", "extendsftf2"): New expanders.
1184         ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee", 
1185         "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
1186         "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
1187         * config/s390/s390.opt (mlong-double-128, mlong-double-64):
1188         New options.
1189         * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
1190         * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2, 
1191         __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
1192         __floatditf): Add a GCC_4.1.0 symbol version tag.
1193         * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
1194         the new options.
1195
1196 2006-02-02  Andrew Pinski  <pinskia@physics.uc.edu>
1197
1198         PR target/25377
1199         * config/i386/i386.c (ix86_function_ok_for_sibcall):
1200         Use targetm.binds_local_p instead of TREE_PUBLIC.
1201
1202 2006-02-02  Roger Sayle  <roger@eyesopen.com>
1203
1204         * tree.h (TYPE_STRING_FLAG): Document that this field may be used
1205         on INTEGER_TYPEs to indicate that it denotes a character type.
1206         * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
1207         signed_char_type_node, unsigned_char_type_node and char_type_node.
1208         * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
1209         INTEGER_TYPE.  Use TYPE_STRING_FLAG to decide whether to emit
1210         a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
1211
1212 2006-02-02  Zdenek Dvorak <dvorakz@suse.cz>
1213             Daniel Berlin  <dberlin@dberlin.org>
1214
1215         * tree-tailcall.c (arg_needs_copy_p): New function.
1216         (eliminate_tail_call): Use arg_needs_copy_p.
1217         (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
1218         (add_virtual_phis): New function.
1219
1220 2006-02-02  Jakub Jelinek  <jakub@redhat.com>
1221
1222         * config/sparc/sparc.c (sparc_output_scratch_registers): Use
1223         #ignore instead of #scratch for %g7 .register directive.
1224
1225 2006-02-02  Andreas Tobler  <a.tobler@schweiz.ch>
1226
1227         * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
1228         object files.
1229
1230 2006-02-02  Bernd Schmidt  <bernd.schmidt@analog.com>
1231
1232         * flow.c (calculate_global_regs_live): Assert that there aren't any
1233         EDGE_FAKE edges.
1234
1235 2006-02-02  Paolo Bonzini  <bonzini@gnu.org>
1236
1237         * tree-flow-inline.h (bsi_after_labels): Rewrite, return
1238         what its name says.
1239         * lambda-code.c (perfect_nestify): Use bsi_insert_before on
1240         bsi_after_labels iterator.
1241         * tree-if-conv.c (find_phi_replacement_condition,
1242         replace_phi_with_cond_modify_expr): Likewise.
1243         * tree-scalar-evolution.c (scev_const_prop): Likewise.
1244         * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
1245
1246 2006-02-02  Diego Novillo  <dnovillo@redhat.com>
1247
1248         * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
1249
1250 2006-02-02  Diego Novillo  <dnovillo@redhat.com>
1251
1252         PR 25990
1253         * tree-cfg.c (move_block_to_fn): Clear out the basic block
1254         array after growing it.
1255
1256 2006-02-01  Steve Ellcey  <sje@cup.hp.com>
1257
1258         PR middle-end/24901
1259         * fold-const.c (fold_checksum_tree): Change type of buf.
1260
1261 2006-02-01  Bernd Schmidt  <bernd.schmidt@analog.com>
1262
1263         * reload.c (push_secondary_reload): Initialize t_icode.
1264
1265 2006-02-01  Jakub Jelinek  <jakub@redhat.com>
1266
1267         * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
1268         -msoft-float -mlong-double-128 only issue a warning, but don't
1269         swich to DFmode long double.
1270
1271 2006-02-01  Hans-Peter Nilsson  <hp@axis.com>
1272
1273         * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
1274         has a constant equivalent, iterate over equivalents for arg0,
1275         calling simplify_relational_operation and if there's a result
1276         cheaper than X, apply fold_rtx and return the result.
1277
1278 2006-02-01  Jan Hubicka  <jh@suse.cz>
1279
1280         * opts.c (no_unit_at_a_time_default): New global variable.
1281         (decode_options): Use it.
1282         * opts.h (no_unit_at_a_time_default): Declare.
1283
1284 2006-02-01  Paul Brook  <paul@codesourcery.com>
1285
1286         * function.c (assign_parm_setup_reg): Use function argument promotion
1287         rules.
1288         * expr.c (expand_expr_real_1): Use function argument promotion rules
1289         for PARM_DECLs.
1290
1291 2006-02-01  Steve Ellcey  <sje@cup.hp.com>
1292
1293         * gcc.c (process_command): Change j to 'unsigned int'.
1294
1295 2006-01-31  Andrew Pinski  <pinskia@physics.uc.edu>
1296
1297         PR middle-end/26001
1298         * expr.c (expand_expr_real_1) <case ARRAY_REF>:
1299         Use the corrected index for the character
1300         out of the string constant.
1301
1302 2006-01-31  Andrew Pinski  <pinskia@physics.uc.edu>
1303
1304         * mode-switching.c (optimize_mode_switching): Fix size
1305         allocated for bb_info[n_entities].
1306
1307 2006-01-31  Andrew Pinski  <pinskia@physics.uc.edu>
1308
1309         * gcc.c (main): Correct type that is allocated for
1310         explicit_link_files.
1311
1312 2006-01-31  Jakub Jelinek  <jakub@redhat.com>
1313
1314         * config/s390/s390.c (init_alignment_context): Set
1315         ALIAS_SET_MEMORY_BARRIER on the MEM.
1316         * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
1317
1318 2006-01-31  Uttam Pawar  <uttamp@us.ibm.com>
1319
1320         PR middle-end/25933
1321         * loop-unroll.c (unroll_loop_runtime_iterations): Free
1322         dom_bbs pointer.
1323         * tree-ssa-live.c (type_var_init): Allocate bitmap after
1324         call to tpa_init.
1325
1326 2006-01-31  Marcin Dalecki  <martin@dalecki.de>
1327
1328         * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
1329         * regrename.c: Ditto.
1330         * tree-ssa-loop-im.c: Ditto.
1331         * tree-dump.c: Ditto.
1332         * tree-complex.c: Ditto.
1333         * genrecog.c: Ditto.
1334         * tree-ssa-threadupdate.c: Ditto.
1335         * tracer.c: Ditto.
1336         * java/class.c: Ditto.
1337         * java/jcf-parse.c: Ditto.
1338         * java/resource.c: Ditto.
1339         * java/except.c: Ditto.
1340         * java/jvspec.c: Ditto.
1341         * java/jcf-write.c: Ditto.
1342         * java/jcf-path.c: Ditto.
1343         * java/gjavah.c: Ditto.
1344         * java/zextract.c: Ditto.
1345         * java/jcf-io.c: Ditto.
1346         * java/jcf.h: Ditto.
1347         * java/buffer.c: Ditto.
1348         * java/lang.c: Ditto.
1349         * java/parse-scan.y: Ditto.
1350         * java/lex.c: Ditto.
1351         * java/lex.h: Ditto.
1352         * cfgloopmanip.c: Ditto.
1353         * postreload-gcse.c: Ditto.
1354         * tree-ssa-loop-manip.c: Ditto.
1355         * postreload.c: Ditto.
1356         * tree-ssa-loop-ch.c: Ditto.
1357         * loop.c: Ditto.
1358         * ipa-cp.c: Ditto.
1359         * cppspec.c: Ditto.
1360         * diagnostic.c: Ditto.
1361         * final.c: Ditto.
1362         * genoutput.c: Ditto.
1363         * gcc.c: Ditto.
1364         * cfghooks.c: Ditto.
1365         * cfgloopanal.c: Ditto.
1366         * objc/objc-act.c: Ditto.
1367         * gcov.c: Ditto.
1368         * genextract.c: Ditto.
1369         * genautomata.c: Ditto.
1370         * pretty-print.c: Ditto.
1371         * genemit.c: Ditto.
1372         * cgraphunit.c: Ditto.
1373         * flow.c: Ditto.
1374         * df-scan.c: Ditto.
1375         * haifa-sched.c: Ditto.
1376         * dominance.c: Ditto.
1377         * dbxout.c: Ditto.
1378         * tree-ssa-loop-ivopts.c: Ditto.
1379         * df-core.c: Ditto.
1380         * mode-switching.c: Ditto.
1381         * modulo-sched.c: Ditto.
1382         * graph.c: Ditto.
1383         * ipa-pure-const.c: Ditto.
1384         * cse.c: Ditto.
1385         * fix-header.c: Ditto.
1386         * web.c: Ditto.
1387         * tree-stdarg.c: Ditto.
1388         * ipa-utils.c: Ditto.
1389         * loop-init.c: Ditto.
1390         * ipa-inline.c: Ditto.
1391         * cfganal.c: Ditto.
1392         * global.c: Ditto.
1393         * alloc-pool.c: Ditto.
1394         * dwarf2out.c: Ditto.
1395         * opts.c: Ditto.
1396         * genattrtab.c: Ditto.
1397         * tree-ssa-loop-ivcanon.c: Ditto.
1398         * predict.c: Ditto.
1399         * timevar.c: Ditto.
1400         * lcm.c: Ditto.
1401         * fortran/gfortranspec.c: Ditto.
1402         * regmove.c: Ditto.
1403         * local-alloc.c: Ditto.
1404         * langhooks.c: Ditto.
1405         * function.c: Ditto.
1406         * tree-vectorizer.c: Ditto.
1407         * gcse.c: Ditto.
1408         * ipa-type-escape.c: Ditto.
1409         * alias.c: Ditto.
1410         * tree-if-conv.c: Ditto.
1411         * profile.c: Ditto.
1412         * ipa.c: Ditto.
1413         * tree-data-ref.c: Ditto.
1414         * loop-unroll.c: Ditto.
1415         * treelang/treetree.c: Ditto.
1416         * calls.c: Ditto.
1417         * bt-load.c: Ditto.
1418         * ggc-common.c: Ditto.
1419         * except.c: Ditto.
1420         * coverage.c: Ditto.
1421         * cselib.c: Ditto.
1422         * tree-cfgcleanup.c: Ditto.
1423         * tree-ssa-pre.c: Ditto.
1424         * cfgcleanup.c: Ditto.
1425         * loop-invariant.c: Ditto.
1426         * loop-iv.c: Ditto.
1427         * ipa-prop.c: Ditto.
1428         * print-tree.c: Ditto.
1429         * conflict.c: Ditto.
1430         * ggc-page.c: Ditto.
1431         * sched-deps.c: Ditto.
1432         * regclass.c: Ditto.
1433         * tree-object-size.c: Ditto.
1434         * combine.c: Ditto.
1435         * bb-reorder.c: Ditto.
1436         * resource.c: Ditto.
1437         * var-tracking.c: Ditto.
1438         * cfgloop.c: Ditto.
1439         * df-problems.c: Ditto.
1440         * reg-stack.c: Ditto.
1441         * tlink.c: Ditto.
1442         * gccspec.c: Ditto.
1443         * sched-rgn.c: Ditto.
1444         * tree-ssa-structalias.c: Ditto.
1445         * tree-ssa-reassoc.c: Ditto.
1446         * config/darwin-c.c: Ditto.
1447         * config/darwin.c: Ditto.
1448         * config/arm/arm.c: Ditto.
1449         * cfgrtl.c: Ditto.
1450         * collect2.c: Ditto.
1451         * reload1.c: Ditto.
1452
1453 2006-01-31  Nicolas Pitre  <nico@cam.org>
1454
1455         * arm.md (smaxsi3): Make aware of smax_m1.
1456         (smax_m1): New.
1457
1458 2006-01-31  Nathan Sidwell  <nathan@codesourcery.com>
1459
1460         * gcc/config/m68k/lb1sf68.asm: Use moveq to load small constants.
1461
1462 2006-01-31  Richard Guenther  <rguenther@suse.de>
1463
1464         * doc/invoke.texi (-msselibm): Document.
1465         * target.h (expand_library_builtin): New target hook.
1466         * builtins.c (expand_builtin): Use expand_library_builtin.
1467         (default_expand_library_builtin): New function.
1468         * gcc.c (LINK_GCC_MATH_SPEC): Define.
1469         (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
1470         (link_gcc_math_spec): Declare.
1471         (static_specs): Add link_gcc_math_spec.
1472         * expr.h (default_expand_library_builtin): Declare.
1473         * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
1474         (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
1475         * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
1476         * config/i386/i386.opt (msselibm): New target option.
1477         * config/i386/i386.c (ix86_builtin_function_variants): New array.
1478         (ix86_init_sse_abi_builtins): New function.
1479         (ix86_expand_library_builtin): Likewise.
1480         (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
1481         (override_options): Handle error conditions wrt -msselibm.
1482         (ix86_builtins): Add function codes for SSE2 ABI builtins.
1483         (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
1484         * doc/extend.texi (__builtin_sse2_*): Document new target specific
1485         builtins.
1486
1487 2006-01-31  Richard Guenther  <rguenther@suse.de>
1488         Paolo Bonzini  <bonzini@gnu.org>
1489
1490         * doc/install.texi (--disable-libgcc-math): Document.
1491
1492 2006-01-30  Marcin Dalecki  <martin@dalecki.de>
1493
1494         * expr.h (expand_normal): new inline function.
1495         * builtins.c: use it, use EXPAND_NORMAL explicitely.
1496         * dojump.c: use it.
1497         * dwarf2out.c: use it.
1498         * expr.c: use it.
1499         * calls.c: use it.
1500         * expmed.c: use it.
1501         * except.c: use it.
1502         * config/sparc/sparc.c: use it.
1503         * config/i386/i386.c: use it.
1504         * config/rs6000/rs6000.c: use it.
1505         * config/arm/arm.c: use it.
1506         * config/mips/mips.c: use it.
1507         * stmt.c: use it, use EXPAND_NORMAL explicitely.
1508
1509 2006-01-30  Roger Sayle  <roger@eyesopen.com>
1510
1511         * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
1512         argv to the appropriate type.
1513
1514 2006-01-30  Zdenek Dvorak <dvorakz@suse.cz>
1515
1516         * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
1517         unreachable code.
1518
1519 2006-01-30  Ulrich Weigand  <uweigand@de.ibm.com>
1520
1521         PR target/26018
1522         * config/s390/s390.c (struct machine_function): New flag
1523         decomposed_literal_pool_addresses_ok_p.
1524         (s390_reorg): Set it before final stage of literal pool transforms.
1525         (s390_decompose_address): Only accept displacements of the form
1526         (minus (label_ref ...) (label_ref ...)) if that flag is set.
1527
1528 2006-01-30  Carlos O'Donell  <carlos@codesourcery.com>
1529
1530         * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
1531         the comparison routine return.
1532
1533 2006-01-30  Michael Matz  <matz@suse.de>
1534
1535         * global.c (find_reg): Only evict for global regs.
1536         Take n_refs into account and dump more info.
1537
1538 2006-01-30  J"orn Rennecke <joern.rennecke@st.com>
1539
1540         PR target/14798:
1541         * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
1542         (pragma_trap, pragma_nosave_low_regs): Likewise.
1543         (current_function_anonymous_args): Likewise.
1544         (sh_deferred_function_attributes): New variable.
1545         (sh_deferred_function_attributes_tail): Likewise.
1546         (print_operand): For '@', look up trap_exit attribute.
1547         (calc_live_regs): Look up trapa_handler attribute.  For trapa
1548         handlers, save/restore fpscr, but don't do any other
1549         interrupt-specific saves.
1550         Don't save r0..r7 if the nosave_low_regs attribute is in effect.
1551         Fix check for partially saved registers to check for SHmedia.
1552         (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
1553         (sh_output_function_epilogue): Don't clear any of the removed
1554         variables.
1555         (sh_insert_attributes): Don't check pragma_interrupt.
1556         Insert deferred attributes.  Check that interrupt attribute is
1557         present for other attributes that require its presence.
1558         (sh_attribute_table): Add new attributes trapa_handler and
1559         nosave_low_regs.
1560         (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
1561         Don't check for pragma_interrupt.  Don't store argument.
1562         * sh.h (pragma_interrupt, sp_switch): Don't declare.
1563         (sh_deferred_function_attributes): Declare.
1564         (sh_deferred_function_attributes_tail): Likewise.
1565         * sh.md (sp_switch_1): Add operand.  Change generator caller.
1566         (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
1567         (*return_i): Don't use when trap_exit attribute is in effect.
1568         (*return_trapa): New insn pattern.
1569         * sh-c.c: New file.
1570         * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
1571         setting c_target_objs and cxx_target_objs.
1572         * t-sh: Add rule for sh-c.o.
1573
1574 2006-01-30  Richard Guenther  <rguenther@suse.de>
1575
1576         PR c++/23372
1577         * gimplify.c (gimplify_target_expr): Handle easy cases
1578         without creating a temporary.
1579
1580 2006-01-30  Nathan Sidwell  <nathan@codesourcery.com>
1581
1582         * vec.h (safe_grow): Remove duplicated line.
1583
1584 2006-01-29  Diego Novillo  <dnovillo@redhat.com>
1585
1586         PR 25874
1587         * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
1588         (expand_omp): ... here.
1589         (expand_omp_parallel): Only remove barriers for combined
1590         parallel+workshare constructs.
1591
1592 2006-01-29  Eric Botcazou  <ebotcazou@adacore.com>
1593
1594         Revert
1595
1596         2005-11-09  Eric Botcazou  <ebotcazou@adacore.com>
1597         * tree.c (build_qualified_type): Chain the new type to the original
1598         type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
1599         a POINTER_TYPE or a REFERENCE_TYPE respectively.
1600         (build_pointer_type_for_mode): Only return unqualified types.
1601         (build_reference_type_for_mode): Likewise.
1602
1603 2006-01-29  Gabriel Dos Reis  <gdr@integgrable-solutions.net>
1604
1605         * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
1606         * Makefile.in (CXX_COMPAT_WARN): Define.
1607         * configure: Regenerate.
1608
1609 2006-01-29  Dorit Nuzman  <dorit@il.ibm.com>
1610
1611         PR tree-opt/25911
1612         * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
1613         to an if check.
1614
1615 2006-01-29  Gabriel Dos Reis  <gdr@integrable-solutions.net>
1616
1617         * toplev.c: Fix thinko.
1618
1619 2006-01-29  Gabriel Dos Reis  <gdr@integrable-solutions.net>
1620             Marcin Dalecki  <martin@dalecki.de>
1621
1622         * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
1623         (push_srcloc): Use XNEW.
1624         (init_asm_output, default_get_pch_validity): Use XNEWVEC.
1625
1626 2006-01-29  Kenneth Zadeck <zadeck@naturalbridge.com>
1627
1628         * df-core.c (df_set_blocks): Deleted all variable.
1629
1630 2006-01-28  Ian Lance Taylor  <ian@airs.com>
1631
1632         * cgraphunit.c (cgraph_assemble_pending_functions): Call
1633         cgraph_output_pending_asms.
1634
1635 2006-01-28  Zack Weinberg  <zackw@panix.com>
1636
1637         * c.opt: Add -W(no-)overlength-strings.
1638         * doc/invoke.texi: Document it.
1639         * c-opts.c (c_common_handle_option): -pedantic implies
1640         -Woverlength-strings, if not explicitly disabled already.
1641         (c_common_post_options): -Woverlength-strings defaults to off, and
1642         is always off for C++.
1643         * c-common.c (fix_string_type): Issue warning about strings longer
1644         than is portable only if warn_overlength_strings.  Rearrange code
1645         a little for clarity.
1646         * configure.in: Check for -Wno-overlength-strings as well before
1647         enabling -pedantic in stage 1.
1648         * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
1649         (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
1650
1651         * genconditions.c (write_header, write_one_condition)
1652         (write_conditions, write_writer): Consolidate very long strings
1653         that were broken up to fit in C89 portable limit.  Don't use
1654         printf when fputs will do.
1655
1656 2006-01-28  Adam Nemet  <anemet@caviumnetworks.com>
1657
1658         * combine.c (simplify_comparison <AND>): Check
1659         TRULY_NOOP_TRUNCATION before start using a subreg.
1660
1661         * config/mips/mips.md (*branch_zero<mode>,
1662         *branch_zero<mode>_inverted, *branch_equality<mode>,
1663         *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
1664         Remove mode check from comparisons.
1665
1666 2006-01-28  Kenneth Zadeck <zadeck@naturalbridge.com>
1667
1668         * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
1669
1670 2006-01-28  Kazu Hirata  <kazu@codesourcery.com>
1671
1672         * expmed.c (const_mult_add_overflow_p): Remove.
1673         * expr.h: Remove the prototype for const_mult_add_overflow_p.
1674
1675         * recog.c (validate_replace_rtx_subexp): Remove.
1676         * recog.h: Remove the prototype for
1677         validate_replace_rtx_subexp.
1678
1679         * integrate.h: Remove the prototype for
1680         copy_decl_for_inlining.
1681         * rtl.h: Remove the prototype for mark_constant_function.
1682         * tree-vectorizer.h: Remove the prototype for
1683         vect_strip_conversion.
1684
1685         * modulo-sched.c (create_partial_schedule,
1686         free_partial_schedule, reset_partial_schedule): Make them
1687         static.
1688
1689         * hooks.c (hook_bool_rtx_int_false): Remove.
1690         * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
1691
1692 2006-01-28  David Edelsohn  <edelsohn@gnu.org>
1693
1694         * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
1695         and -mlong-double-128 are incompatible.
1696         * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
1697         * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
1698         (TARGET_LIBGCC2_CFLAGS): Define.
1699         * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
1700         (TARGET_LIBGCC2_CFLAGS): Same.
1701         * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
1702
1703 2006-01-28  Kazu Hirata  <kazu@codesourcery.com>
1704
1705         PR c/19606.
1706         * c-typeck.c (build_binary_op): Perform implicit casts of
1707         operands before shortening them.
1708
1709         * cfgloopmanip.c (split_loop_bb): Remove.
1710         * cfgloop.h: Remove the prototype for split_loop_bb.
1711
1712         * cfgloop.c (flow_loop_outside_edge_p): Remove.
1713         * cfgloop.h: Remove the prototype for
1714         flow_loop_outside_edge_p.
1715
1716         * emit-rtl.c (init_virtual_regs): Make it static.
1717         * function.h: Remove the prototype for init_virtual_regs.
1718
1719         * recog.c (peephole2_optimize): Make it static.
1720         * recog.h: Remove the prototype for peephole2_optimize.
1721
1722 2006-01-27  H.J. Lu  <hongjiu.lu@intel.com>
1723
1724         * df-scan.c (df_record_entry_block_defs): Check if
1725         INCOMING_RETURN_ADDR_RTX is defined.
1726
1727 2006-01-27  Daniel Berlin  <dberlin@dberlin.org>
1728             Kenneth Zadeck <zadeck@naturalbridge.com>
1729
1730         PR rtl-optimization/24762
1731         * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
1732         * targhooks.c (hook_void_bitmap): New hook prototype.
1733         * targhoohs.h (hook_void_bitmap): Ditto.
1734         * bitmap.h (bitmap_head_def): Moved to coretypes.h.
1735         * coretypes.h (bitmap_head_def): Moved from bitmap.h.
1736         * target.h (live_on_entry): New function pointer.
1737         * df-scan.c (df_all_hard_regs): Removed.
1738         (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
1739         (df_scan_free_internal): Added df->entry_block_defs.
1740         (df_scan_alloc): Ditto.
1741         (df_scan_dump): Ditto.
1742         (df_uses_record): Plumbed flag field properly thru calls.
1743         Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
1744         This part fixes PR24762.
1745         (df_bb_refs_record): Added code to make the frame and arg
1746         pointers live in EH blocks.
1747         (df_refs_record): Added call to df_record_entry_block_defs.
1748         (df_record_entry_block_defs): New function.
1749         * df-core.c: Added comments to describe new artifical defs.
1750         * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
1751         (entry_block_defs): New field in struct df.
1752         (df_all_hard_regs): Deleted.
1753         * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
1754         * df-problems.c (df_ru_bb_local_compute_process_def):
1755         Added code to handle artifical defs in the entry to a function.
1756         (df_ru_bb_local_compute): Ditto.
1757         (df_rd_bb_local_compute_process_def):  Ditto.
1758         (df_rd_bb_local_compute): Ditto.
1759         (df_lr_bb_local_compute): Ditto.
1760         (df_ur_bb_local_compute): Ditto.
1761         (df_urec_bb_local_compute):  Ditto.
1762         (df_chain_create_bb):  Ditto.
1763         (df_ur_local_finalize): Removed entry.
1764         (df_urec_init): Ditto.
1765         (df_urec_local_finalize): Ditto.
1766         (df_ri_bb_compute): Added detection of last use of pseudos.
1767         * Makefile.in (df-scan.o): Updated dependencies.
1768         * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
1769         * config/mips/mips.c (mips_set_live_on_entry): Added.
1770         * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
1771         for target hook.
1772         * dce.c (marked_insn_p): Added code to handle artifical defs.
1773
1774 2006-01-27  H.J. Lu  <hongjiu.lu@intel.com>
1775
1776         * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
1777         intrinsic.
1778         (_mm_cvtsi128_si64): Likewise.
1779         (_mm_cvtsd_si64): Likewise.
1780         (_mm_cvttsd_si64): Likewise.
1781         (_mm_cvtsi64_sd): Likewise.
1782         (_mm_cvtsi64_si128): Likewise.
1783         * config/i386/mmintrin.h (_m_from_int64): Likewise.
1784         (_mm_cvtsi64_m64): Likewise.
1785         (_m_to_int64): Likewise.
1786         (_mm_cvtm64_si64): Likewise.
1787         * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
1788         (_mm_cvttss_si64): Likewise.
1789         (_mm_cvtsi64_ss): Likewise.
1790         (_mm_cvtss_f32): Likewise.
1791
1792 2006-01-27  Carlos O'Donell  <carlos@codesourcery.com>
1793
1794         * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
1795         for pragma redefine_extname.
1796
1797 2006-01-27  Jakub Jelinek  <jakub@redhat.com>
1798
1799         PR target/25864
1800         * libgcc-std.ver: Add GCC_4.1.0 symbol version.
1801         * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
1802         -mno-minimal-toc to previous content.
1803         (bispecs): Remove goal.
1804         * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
1805         * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
1806         compatibility aliases on powerpc-*-*gnu*.
1807         * config/rs6000/libgcc-ppc-glibc.ver: New file.
1808         * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
1809         libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
1810         (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
1811         (ldblspecs): New goal.
1812         * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
1813         * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
1814         _df_to_tf.
1815         * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
1816         L_sf_to_tf or L_df_to_tf is defined.
1817
1818 2006-01-27  David Edelsohn  <edelsohn@gnu.org>
1819             Alan Modra  <amodra@bigpond.net.au>
1820
1821         PR target/25864
1822         * config/rs6000/linux.h (POWERPC_LINUX): Define.
1823         * config/rs6000/linux64.h (POWERPC_LINUX): Define.
1824         * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
1825         * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
1826         * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
1827         * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
1828         (rs6000_override_options): Initialize rs6000_ieeequad.
1829         Initialize TFmode format to ibm_extended_format if not
1830         TARGET_IEEEQUAD.
1831         (rs6000_handle_option): Accept -mabi= ibmlongdouble and
1832         ieeelongdouble.
1833         (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
1834         (rs6000_return_in_memory): Only return IEEEQUAD in memory.
1835         (function_arg_advance): IBM long double passed in two FPRs, not
1836         split.
1837         (function_arg): IBM long double passed in FPRs.
1838         (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
1839         (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
1840         Only multireg GPR aligned.
1841         (rs6000_init_libfuncs): Enable IBM long double functions if not
1842         IEEEQUAD.
1843         (rs6000_generate_compare): Use IBM long double compare if not
1844         TARGET_IEEEQUAD.
1845         * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
1846         (TARGET_IEEEQUAD): Define.
1847         (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
1848         not TARGET_IEEEQUAD.
1849         * config/rs6000/rs6000.md: Enable TFmode patterns if
1850         !TARGET_IEEEQUAD.
1851         * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
1852         * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
1853         and -mlong-double-128 are incompatible.
1854         * doc/invoke.texi (-mabi): Collect options together.  Add
1855         ibmlongdouble and ieeelongdouble.
1856
1857 2006-01-27  Richard Sandiford  <richard@codesourcery.com>
1858
1859         * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
1860         opaque type.
1861         * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
1862         * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
1863         (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
1864         * rtl.h (rtunion_def): Remove rt_ptr.
1865         (X0PTR): Delete.
1866         (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
1867         (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
1868         * config/i386/winnt.c (i386_pe_mark_dllexport)
1869         (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
1870
1871 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
1872
1873         * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
1874
1875 2006-01-26 Alexandre Oliva  <aoliva@redhat.com>
1876
1877         PR other/24829
1878         PR target/24831
1879         * gthr-dce.h: Do not gthrw-ify pthread_once_init,
1880         pthread_key_delete.  From John David Anglin.  gthrw-ify
1881         pthread_getunique_np only if it it's not a macro.  Delete
1882         UNUSED macro.
1883         (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
1884         __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
1885         __gthread_objc_condition_signal, __gthread_key_delete): Add
1886         "__attribute__ ((__unused__))" to unused arguments.
1887         (__gthread_recursive_mutex_init_function): Add missing return.
1888         * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
1889         gthr-posix95.h: Use macro-based approach for name redirection
1890         on targets missing weakref.
1891
1892 2006-01-26  Zack Weinberg  <zackw@panix.com>
1893
1894         * genconditions.c (write_header): In generated code, #ifdef out
1895         all includes and fake declarations, except includes of bconfig.h
1896         and system.h, unless GCC_VERSION >= 3001.  Do not include
1897         gensupport.h in any case.
1898         (write_conditions): Generate a definition of struct c_test.  Add
1899         a comment to the generated #endif.
1900         (write_one_condition): Escape backslashes in string too.
1901         (write_writer): Generated code must escape backslashes and quote
1902         marks (but not newlines) in the strings it writes.
1903         * Makefile.in (build/gencondmd.o): Update dependencies.
1904
1905 2006-01-26  Steve Ellcey  <sje@cup.hp.com>
1906
1907         PR target/25961
1908         * Makefile.in (insn-automata.o): Add header file dependencies.
1909         * genautomata.c: Add includes.
1910
1911 2006-01-26  Steve Ellcey  <sje@cup.hp.com>
1912
1913         PR target/25961
1914         * Makefile.in (insn-automata.o): Add -Wno-error flag.
1915
1916 2006-01-26  Paolo Bonzini  <bonzini@gnu.org>
1917
1918         * configure.ac: Expect target tools paths to be passed from the toplevel
1919         and wrap the detection into AS_SET_VAR_IF.  Extract side-effects out of
1920         AS_SET_VAR_IF.
1921         * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
1922
1923 2006-01-26  Alexandre Oliva  <aoliva@redhat.com>
1924
1925         PR c/25892
1926         * c.opt (Wpointer-sign): Init to -1.
1927         * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
1928         OPT_pedantic, to 0 otherwise.
1929         * doc/invoke.texi: Update.
1930
1931 2006-01-26  Paolo Bonzini  <bonzini@gnu.org>
1932
1933         * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
1934         constants provided by 80387 instructions in the destination mode.
1935
1936 2006-01-26  Richard Guenther  <rguenther@suse.de>
1937             Andrew Pinski  <pinskia@physics.uc.edu>
1938
1939         PR tree-opt/21470
1940         partial PR tree-opt/17064
1941         * tree-ssa-structalias.c (intra_create_variable_infos):
1942         Create heap variables for incoming parameters if
1943         flag_argument_noalias > 1.
1944         (find_what_p_points_to): Look through default defs of
1945         parameter decls.
1946
1947 2006-01-26  Jeff Law  <law@redhat.com>
1948
1949         PR ada/25900
1950         * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
1951         with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
1952         within the VR_RANGE, use the VR_RANGE as the result, not the
1953         VR_ANTI_RANGE.
1954         (adjust_range_with_scev): Reject ranges from SCEV which are out of
1955         bounds for the type.
1956
1957 2006-01-26  Daniel Berlin  <dberlin@dberlin.org>
1958
1959         * tree-ssa-alias.c (maybe_create_global_var): Change
1960         subvar walking to an assertion that we don't have subvar'd variables.
1961
1962 2006-01-26  Andrew Pinski  <pinskia@physics.uc.edu>
1963
1964         PR C/25861
1965         * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
1966         Use a new variable, inner.  PARM_DECLs are always non-weak.
1967
1968 2006-01-26  Shantonu Sen  <ssen@opendarwin.org>
1969
1970         * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
1971         --disable-checking.
1972
1973 2006-01-26  Adam Nemet  <anemet@caviumnetworks.com>
1974
1975         * config/mips/mips.md (*clear_upper32): New combiner pattern.
1976
1977 2006-01-26  Richard Earnshaw  <richard.earnshaw@arm.com>
1978
1979         * arm.md (smaxsi3, sminsi3): Convert to define_expand.
1980         (smax_insn, smin_insn, smax_0, smin_0): New.
1981
1982 2006-01-26  Hans-Peter Nilsson  <hp@axis.com>
1983
1984         PR target/25947
1985         * config/cris/cris.c (cris_order_for_addsi3): New function.
1986         * config/cris/cris-protos.h: Prototype it.
1987         * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
1988         (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
1989         (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
1990         (split for "op.S1 [rx=rx+i],ry (swapped)")
1991         (split for "op(s|u).S1 [rx=rx+i],ry")
1992         (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
1993         Apply cris_order_for_addsi3 when generating addsi3 insns.
1994
1995 2006-01-25  Diego Novillo  <dnovillo@redhat.com>
1996
1997         * tree.h (TREE_RANGE_CHECK): Fix range predicate.
1998         (TREE_BLOCK): Add call to EXPR_CHECK.
1999
2000 2006-01-25  Diego Novillo  <dnovillo@redhat.com>
2001
2002         PR 25886
2003         * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
2004         * tree-pretty-print.c (dump_omp_clause): Extract from ...
2005         (dump_omp_clauses): ... here.
2006         (dump_generic_node): Handle OMP_CLAUSE.
2007         * tree.c (omp_clause_num_ops): New.
2008         (omp_clause_code_name): New.
2009         (tree_code_size): Handle OMP_CLAUSE.
2010         (tree_size): Likewise.
2011         (make_node): Document handling of OMP_CLAUSE.
2012         (tree_node_structure): Handle OMP_CLAUSE.
2013         (omp_clause_check_failed): New.
2014         (omp_clause_range_check_failed): New.
2015         (omp_clause_operand_check_failed): New.
2016         (build_omp_clause): New.
2017         (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
2018         * tree.h (enum omp_clause_code): Declare.
2019         (OMP_CLAUSE_SUBCODE_CHECK): Define.
2020         (OMP_CLAUSE_RANGE_CHECK): Define.
2021         (OMP_CLAUSE_ELT_CHECK): Define.
2022         (omp_clause_check_failed): Declare.
2023         (omp_clause_operand_check_failed): Declare.
2024         (omp_clause_range_check_failed): Declare.
2025         (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
2026         (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
2027         (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
2028         (OMP_CLAUSE_LASTPRIVATE): Likewise.
2029         (OMP_CLAUSE_IF_EXPR): Likewise.
2030         (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
2031         (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
2032         (OMP_CLAUSE_REDUCTION_CODE): Likewise.
2033         (OMP_CLAUSE_REDUCTION_INIT): Likewise.
2034         (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
2035         (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
2036         Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
2037         (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
2038         (OMP_CLAUSE_DEFAULT_KIND): Likewise.
2039         (OMP_CLAUSE_CODE): Define.
2040         (OMP_CLAUSE_SET_CODE): Define.
2041         (OMP_CLAUSE_CODE): Define.
2042         (OMP_CLAUSE_OPERAND): Define.
2043         (struct tree_omp_clause): Declare.
2044         (union tree_node): Add field 'omp_clause'.
2045         * treestruct.def (TS_OMP_CLAUSE): Define.
2046         * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
2047         OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
2048         OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
2049         OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
2050         OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
2051         OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
2052         (OMP_CLAUSE): Define.
2053         * print-tree.c (print_node): Handle OMP_CLAUSE.
2054         * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
2055         * c-typeck.c: Likewise.
2056         * gimplify.c: Likewise.
2057         * c-omp.c: Likewise.
2058         * tree-nested.c: Likewise.
2059         * tree-inline.c: Likewise.
2060         * c-parser.c: Likewise.
2061         * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
2062         clauses.
2063
2064 2006-01-25  Roger Sayle  <roger@eyesopen.com>
2065
2066         PR rtl-optimization/25703
2067         * combine.c (try_combine): Handle zero_extract and strict_low_part
2068         of non-lowpart SUBREGs for constant reg_subword_p set optimization.
2069
2070 2006-01-25  Peter Bergner  <bergner@vnet.ibm.com>
2071
2072         * global.c: Fix comment typos.
2073
2074 2006-01-25  Andrew Pinski  <pinskia@physics.uc.edu>
2075
2076         PR target/25758
2077         * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
2078         Use output_addr_const instead of assemble_name.
2079
2080 2006-01-25  Paolo Bonzini  <bonzini@gnu.org>
2081
2082         * Makefile.in (sched-vis.o): Update dependencies.
2083         * haifa-sched.c (sched_finish): Clear current_sched_info.
2084         * cfg.c (dump_bb_info): New, split from dump_flow_info.
2085         (dump_flow_info): Call it.
2086         * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
2087         a slim RTL dump.
2088         * basic-block.h (dump_bb_info): Declare.
2089         * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
2090         option, and apply options only for dump files whose TDF_RTL,
2091         TDF_TREE, or TDF_IPA bits match.
2092         * rtl.h: Declare new functions exported from sched-vis.c.
2093         * sched-vis.c: Enable also if scheduling is not used.
2094         (print_value): Print the mode of registers if not inside scheduling.
2095         (print_insn): Make it work outside the scheduler.  Beautify the output
2096         a bit.
2097         (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
2098
2099 2006-01-25  Richard Sandiford  <richard@codesourcery.com>
2100
2101         * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
2102         * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
2103         a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
2104         depending on the value of CONSTANT_POOL_ADDRESS_P.
2105         * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
2106         SYMBOL_REF_DECL.
2107         * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
2108         rather than SYMBOL_REF_DECL.
2109         (rtx_constant_pool): Remove const_rtx_sym_htab.
2110         (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
2111         (init_varasm_status): Don't initialize const_rtx_sym_htab.
2112         (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
2113         Remove handling of const_rtx_sym_htab.
2114         (find_pool_constant): Delete.
2115         (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
2116         rather than find_pool_constant.
2117         (get_pool_constant_for_function): Delete.
2118         (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
2119         find_pool_constant.
2120         * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
2121         (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
2122         (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
2123         (SYMBOL_REF_CONSTANT): New macro.
2124         (get_pool_constant_for_function): Delete.
2125         * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
2126         rather than SYMBOL_REF_DECL.
2127         (i386_pe_mark_dllimport): Likewise.
2128         * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
2129         rather than SYMBOL_REF_DECL.
2130         * config/darwin.c (machopic_indirect_data_reference): Likewise.
2131         (machopic_indirect_call_target): Likewise.
2132
2133 2006-01-25  Eric Botcazou  <ebotcazou@adacore.com>
2134
2135         * flow.c (delete_noop_moves): Add missing EOL to dump message.
2136
2137 2006-01-25  Richard Sandiford  <richard@codesourcery.com>
2138
2139         * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
2140
2141 2006-01-25  Kaz Kojima  <kkojima@gcc.gnu.org>
2142
2143         * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
2144
2145 2006-01-24  David Daney  <ddaney@avtrex.com>
2146
2147         PR java/25816
2148         * configure.ac (enable_tls): New enable option.
2149         (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
2150         * configure: Regenerate.
2151         * doc/install.texi (--enable-tls): Document new option.
2152         (--disable-tls): Ditto.
2153
2154 2006-01-24  Richard Henderson  <rth@redehat.com>
2155
2156         * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
2157         * alias.c (true_dependence): Respect it.
2158         (canon_true_dependence, write_dependence_p): Likewise.
2159         * builtins.c (get_builtin_sync_mem): Set it.
2160
2161 2006-01-25  Zdenek Dvorak <dvorakz@suse.cz>
2162
2163         * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
2164         efficient way.
2165
2166 2006-01-24  DJ Delorie  <dj@redhat.com>
2167
2168         * expmed.c (store_bit_field): Don't arbitrarily deny using insv
2169         for storing constants in single-bit bitfields.
2170
2171 2006-01-25  Ben Elliston  <bje@au.ibm.com>
2172
2173         * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
2174
2175 2006-01-24  Andrew Pinski  <pinskia@physics.uc.edu>
2176
2177         PR tree-opt/25860
2178         * tree-ssa-pre.c (phi_translate): Return NULL
2179         for AGGREGATE_TYPE's.
2180
2181 2006-01-24  Zack Weinberg  <zackw@panix.com>
2182
2183         * genautomata.c (process_state_for_insn_equiv_partition):
2184         Use xcalloc for insn_arcs_array.
2185         * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
2186         (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
2187
2188 2006-01-24  Richard Henderson  <rth@redhat.com>
2189
2190         * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
2191         update all callers.
2192
2193 2006-01-23  Paolo Bonzini  <bonzini@gnu.org>
2194
2195         PR rtl-optimization/25890
2196         PR rtl-optimization/25905
2197         * combine.c (expand_compound_operation, expand_field_assignment):
2198         Fail if the bitfield's final position is out of bounds.
2199
2200 2006-01-24  Ian Lance Taylor  <ian@airs.com>
2201
2202         PR middle-end/25930
2203         * cgraphunit.c (cgraph_output_in_order): Don't clear
2204         cgraph_asm_nodes until after asm strings have been output.
2205
2206 2006-01-23  Adam Nemet  <anemet@caviumnetworks.com>
2207
2208         * fix-header.c (read_scan_file): Add new parameter imultilib when
2209         calling register_include_chains.
2210
2211 2006-01-23  Diego Novillo  <dnovillo@redhat.com>
2212
2213         * omp-low.c: Update documentation.
2214
2215 2006-01-23  Andrew Pinski  <pinskia@physics.uc.edu>
2216             Daniel Berlin  <dberlin@dberlin.org>
2217
2218         PR tree-opt/25315
2219         PR tree-opt/25857
2220         * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
2221         return from the function.
2222
2223 2006-01-22  Zack Weinberg  <zackw@panix.com>
2224
2225         * rtl.def (match_code): Add second argument.
2226         * genpreds.c (write_extract_subexp): New function.
2227         (write_match_code): Add path argument.  Use write_extract_subexp.
2228         (write_predicate_expr): Pass path to write_match_code.
2229         (mark_mode_tests): MATCH_CODE applied to a subexpression does
2230         not perform a mode test.
2231         * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
2232         a subexpression does not constrain the top-level code set.
2233         * read-rtl.c (read_rtx_variadic): New function.
2234         (read_rtx_1): Use it; allow AND and IOR to be variadic.
2235         * doc/md.texi: Document new notation.
2236         * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
2237         (cmpsi_operand): ... here, using new notation.
2238
2239 2006-01-22  Zack Weinberg  <zackw@panix.com>
2240
2241         * varray.c: Remove GENERATOR_FILE #ifdefs.
2242
2243 2006-01-22  Zack Weinberg  <zackw@panix.com>
2244
2245         * genautomata.c (output_reserved_units_table): Emit nothing if
2246         description->query_units_num is zero.  Remove extra blank line.
2247         (output_cpu_unit_reservation_p): Short circuit
2248         if description->query_units_num is zero.
2249
2250 2006-01-22  Zack Weinberg  <zackw@panix.com>
2251
2252         * genattrtab.c: Don't include genattrtab.h.  Define ATTR_NONE
2253         and ATTR_SPECIAL (from genattrtab.h).  Don't define num_dfa_decls
2254         nor any of the random handful of variables that used to be necessary
2255         when this program was linked with rtlanal.o.  Prune set of forward
2256         function declarations.
2257         (struct attr_desc): Remove static_p field.
2258         (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
2259         (check_attr_test, make_internal_attr, make_numeric_value): Make static.
2260         (attr_string): Do not read the character one past the length of
2261         the string.
2262         (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
2263         (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
2264         (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
2265         (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
2266         (make_automaton_attrs): New.
2267         (main): Do not call into genautomata.  Call local gen_bypass
2268         and gen_insn_reserv as appropriate.  Call make_automaton_attrs.
2269         Remove special case for insn_alts.
2270         * genautomata.c: Include gensupport.h; not genattrtab.h nor
2271         varray.h (leftover from previous change).  Prune set of forward
2272         function declarations.  Remove state_alts fields from all
2273         structures.  Remove state_alts_table from struct automaton.
2274         Make everything except main static.  Do not maintain num_dfa_decls.
2275         Do not maintain state_alts fields of various structures.
2276         (process_decls): Don't validate condexp for dm_insn_reserv decls.
2277         (add_arc): Remove state_alts argument.  All callers updated.
2278         (output_reserved_units_table): Emit #ifdef here...
2279         (output_tables): ...not here.  Don't generate state_alts tables.
2280         (expand_automata): Don't generate attributes.
2281         (write_automata): Don't generate state_alts functions.
2282         (main): New function.
2283         (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
2284         (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
2285         (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
2286         (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
2287         (BYPASS_P_FUNC_NAME, output_state_alts_table)
2288         (output_automata_list_state_alts_code, output_internal_state_alts_func)
2289         (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
2290         (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
2291         Delete.
2292         * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
2293         * genattrtab.h: Delete file.
2294         * Makefile.in (OBJS-common): Add insn-automata.o.
2295         (insn-automata.o): New rule.
2296         (simple_generated_c): Add insn-automata.c.
2297         (build/genattrtab.o, build/genautomata.o): Update dependencies.
2298         (genprogmd): Add automata.
2299         (build/genattrtab): Needs no extra objects nor libraries.
2300         (build/genautomata): Needs build/vec.o and -lm.
2301
2302 2006-01-22  Zack Weinberg  <zackw@panix.com>
2303
2304         * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
2305         (output_dfa_max_issue_rate, locked_states_num): Delete.
2306         (struct automaton): Add locked_states field.
2307         (output_dead_lock_vect): Save number of locked states in
2308         automaton->locked_states.  If it is zero, don't print anything.
2309         (output_max_insn_queue_index_def): Define max_insn_queue_index const.
2310         (output_internal_dead_lock_func): Only test the dead_lock_vect
2311         for automata that have locked states.
2312         (output_statistics): Always print the number of locked states for
2313         each automaton.  Calculate total number of locked states here.
2314         (write_automata): Don't call output_dfa_max_issue_rate.
2315         * genattrtab.c: Define length_unit_log as a const variable.
2316         * genattr.c: Don't emit MAX_DFA_ISSUE_RATE.  Declare
2317         max_insn_queue_index const.
2318         * final.c (length_unit_log): Declare const.
2319         * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
2320
2321 2006-01-22  Zack Weinberg  <zackw@panix.com>
2322
2323         * genautomata.c:  Include vec.h, not varray.h.
2324         Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
2325         VLA_HWINT_ macros.  Change vla_hwint_t to a typedef for
2326         VEC(vect_el_t,heap) *.  Convert all uses of VLA_* macros to
2327         VEC_* macros operating on appropriately typed vectors, or to
2328         malloced arrays when the size is known in advance.  Const-ify
2329         many char* variables and function arguments.  No functional changes.
2330         * Makefile.in (build/varray.o): Delete rule.
2331         (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
2332         (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
2333
2334 2006-01-22  Zack Weinberg  <zackw@panix.com>
2335
2336         * gensupport.c: Define get_insn_name and record_insn_name here.
2337         (read_md_rtx): Call record_insn_name as appropriate.
2338         * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
2339         * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
2340         * genpreds.c, genrecog.c: Don't define get_insn_name nor
2341         record_insn_name.
2342         * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
2343         (BUILD_VARRAY): Delete.
2344         (genprognormal): Rename genprogmd.  Fold in all programs from
2345         genprognoprint; also attrtab.
2346         (build/genattrtab): Just mention genautomata.o and varray.o.
2347         Reorganize a bit, add comments to make the categories clearer.
2348
2349 2006-01-22  Zack Weinberg  <zackw@panix.com>
2350
2351         * genconditions.c (condition_table, add_condition): Delete.
2352         (write_conditions): Don't emit n_insn_conditions nor
2353         insn_elision_unavailable.  Issue the gcc version #ifdef here,
2354         inside the table, with no #else clause ...
2355         (write_header): ...not here.
2356         (write_writer): New function.
2357         (main): Don't initialize condition_table.  Use add_c_test.
2358         Call write_writer.
2359         * gensupport.c (init_md_reader_args_cb): Handle multiple input
2360         files on the command line.
2361         (maybe_eval_c_test): Don't check insn_elision_unavailable.
2362         Return -1 if there is no entry in the table, don't abort.
2363         (add_c_test, traverse_c_tests): New functions.
2364         * gensupport.h (insn_elision_unavailable, insn_conditions)
2365         (n_insn_conditions): Delete declarations.
2366         (add_c_test, traverse_c_tests): Declare.
2367         * read-rtl.c: Include gensupport.h.
2368         (read_conditions): New function.
2369         (read_rtx): If read_rtx_1 returns 0, treat as EOF.
2370         (read_rtx_1): If we get EOF when we were looking for an initial
2371         open paren, return 0.  Call read_conditions when appropriate.
2372         * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
2373         dummy-conditions.o.  Eliminate references to insn-conditions.o,
2374         or change them to build/gencondmd.o, as appropriate.  Remove
2375         insn-constants.h from $(simple_generated_h) and insn-conditions.c
2376         from $(simple_generated_c).  For all files remaining in those
2377         two lists, add insn-conditions.md to the generator command line.
2378         Give insn-constants.h/s-constants their own rules.  Add rules
2379         for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
2380         (build/read-rtl.o): Depend on gensupport.h.
2381         (genprognormal): Include preds.
2382         (genprogearly): Rename genprognoprint; only difference is now that
2383         they don't link with $(BUILD_PRINT).
2384         * dummy-conditions.c: Delete.
2385
2386 2006-01-22  Zack Weinberg  <zackw@panix.com>
2387
2388         * genextract.c: Don't include insn-config.h.  Do include vec.h.
2389         Declare vectors of int, char, and locstr.
2390         (locstr): New typedef.
2391         (struct extraction): Make all array fields into bare pointers.
2392         (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
2393         (insn_code_number): Delete.
2394         (accum_extract): New struct.
2395         (VEC_safe_set_locstr, VEC_char_to_string): New functions.
2396         (gen_insn): Take insn_code_number as an argument.  Use an
2397         accum_extract structure instead of loading data directly into
2398         a struct extraction, and having to know how big it might get.
2399         (walk_rtx): Operate entirely on an accum_extract structure.
2400         (print_path): Avoid unnecessary use of printf.
2401         (print_header): New function, split out of main.  Distinguish
2402         more carefully between an unrecognizable insn and an insn that
2403         has the code number of a define_expand.
2404         (main): Pass insn_code_number to gen_insn.  Call print_header
2405         only after parsing.  Avoid unnecessary use of printf.
2406         * Makefile.in (build/vec.o): New rule.
2407         (build/genextract): Depend on build/vec.o.
2408         (build/genextract.o): Don't depend on insn-config.h.
2409
2410 2006-01-22  Zack Weinberg  <zackw@panix.com>
2411
2412         * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
2413         $(RUN_GEN).  Use pattern rules to factor out as much boilerplate as
2414         practical.  Eliminate per-generator-program link rules.
2415
2416 2006-01-23  Andrew Pinski  <pinskia@physics.uc.edu>
2417
2418         PR middle-end/24437
2419         * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
2420         with a call expr to ...
2421         * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
2422
2423 2006-01-23  Richard Guenther  <rguenther@suse.de>
2424
2425         * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
2426         before make_edge with conditional EDGE_TRUE_VALUE.
2427
2428 2006-01-23  Steven Bosscher  <stevenb.gcc@gmail.com>
2429         Jan Hubicka  <jh@suse.cz>
2430         Richard Guenther  <rguenther@suse.de>
2431
2432         PR rtl-optimization/25654
2433         * cfgexpand.c (aggregate_contains_union_type): New function.
2434         (add_alias_set_conflicts): Call it.  Make sure to add conflicts
2435         for structure variables that contain a union type.
2436
2437 2006-01-23  Richard Sandiford  <richard@codesourcery.com>
2438
2439         * gengtype.c (new_structure): Return the structure.
2440         (create_option): Add an extra "next" argument.
2441         (create_field): New function.
2442         (adjust_field_rtx_def): Use create_option and create_field.
2443         Remove a now-unnecessary call to find_structure.
2444         (adjust_field_tree_def): Likewise.
2445         (note_yacc_type): Remove an unnecessary call to find_structure.
2446         * gengtype.h (new_structure): Return the structure.
2447         (create_option): Add an extra argument.
2448         * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
2449         (option): Adjust calls to create_option.
2450
2451 2006-01-22  David Edelsohn  <edelsohn@gnu.org>
2452
2453         * config/rs6000/aix.h (STACK_BOUNDARY): Define.
2454
2455 2006-01-22  Paul Brook  <paul@codesourcery.com>
2456         Peter Barada  <peter@the-baradas.com>
2457
2458         * config/m68k/m68k.md: Add Coldfire FPU support.
2459         Define FP mode macro and associated attributes.
2460         Use it for float mode patterns.
2461         * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
2462         (LIBCALL_VALUE): Use m68k_libcall_value.
2463         * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
2464         (m68k_function_value): Ditto.
2465         (emit_move_sequence): Ditto.
2466         * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
2467         * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
2468         * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
2469         (MULTILIB_EXCEPTIONS): Ditto.
2470         * config/m68k/m68k.opt: Add mcfv4e.
2471         * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
2472         (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
2473         (m68k_output_function_prologue): Save ColdFire FPU registers.
2474         (m68k_output_function_epilogue): Restore ColdFire FPU registers.
2475         (force_mode, fp_reg_operand, emit_move_sequence): New functions.
2476         (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
2477         ColdFire FPU registers.
2478         (m68k_libcall_value, m68k_function_value): New functions.
2479         * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
2480         (LIBCALL_VALUE): Use m68k_libcall_value.
2481         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
2482         (MASK_COLDFIRE): Add MASK_CFV4E.
2483         (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
2484         (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
2485         (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
2486         (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
2487         (GO_IF_LEGITIMATE_ADDRESS): Use it.
2488         (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
2489         * doc/invoke.tex: Document -mcfv4e on m68k.
2490
2491 2006-01-22  Ranjit Mathew  <rmathew@gcc.gnu.org>
2492
2493         * doc/contribute.texi: Change CVS to SVN and update the corresponding
2494         URL.
2495
2496 2006-01-21  Gabriel Dos Reis  <gdr@integrable-solutions.net>
2497
2498         PR c++/16190
2499         * c-opts.c (c_common_handle_option): Don't include
2500         -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
2501         * doc/invoke.texi (C++ Dialect Options): Document that
2502         -Wnon-virtual-dtor is no longer included in -Wall.
2503
2504 2006-01-21  Joseph S. Myers  <joseph@codesourcery.com>
2505
2506         * gcov.c (print_version), gcov-dump.c (print_version),
2507         mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
2508         dates.
2509
2510 2006-01-21  Kenneth Zadeck <zadeck@naturalbridge.com>
2511
2512         * df-scan.c (problem_SCAN): Added NULL reset function.
2513         (df_scan_reset_blocks): Added code to call reset block function
2514         (df_bb_refs_delete) Fixed comment.
2515         (df_insn_refs_delete): Made tolerant of deleting non existent info
2516         for dataflow problems that need to be reset.
2517         * df-core.c (df_set_blocks): Ditto.
2518         * df.h (struct df_problem): Added reset_fun.
2519         * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
2520         problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
2521         (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
2522         functions to clear out all references to def-use or use-def chains.
2523
2524 2006-01-21  Ben Elliston  <bje@au.ibm.com>
2525
2526         * varasm.c (assemble_real): Initialise data array.
2527
2528 2006-01-20  Paul Brook  <paul@codesourcery.com>
2529
2530         Merge from csl-arm-branch.
2531         2005-09-21  Kazu Hirata  <kazu@codesourcery.com>
2532         * config/arm/arm.md (movdi): Force operands[1] to a register
2533         if we have a non-register source.
2534         (*arm_movdi, *movdf_soft_insn): Require that one of the
2535         operands be a register.
2536         * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
2537         * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
2538
2539 2006-01-20  DJ Delorie  <dj@redhat.com>
2540
2541         * varasm.c (initialize_constant_valid_p): Allow pointers
2542         initialized from integer constants of lesser precision.
2543         (output_constant): Allow non-int-sized pointer modes to be
2544         initialized from integer constants.
2545
2546 2006-01-20  Joseph S. Myers  <joseph@codesourcery.com>
2547
2548         PR libstdc++/25524
2549         * cppdefault.h (struct default_include): Add multilib flag.
2550         * cppdefault.c (cpp_include_defaults): Set it.
2551         * c.opt (-imultilib): New option.
2552         * c-opts.c (imultilib): New.
2553         (c_common_handle_option): Handle -imultilib.
2554         (c_common_post_options): Likewise.
2555         * c-incpath.c (add_standard_paths, register_include_chains):
2556         Likewise.
2557         * c-incpath.h (register_include_chains): Add extra parameter.
2558         * gcc.c (do_spec_1): Generate -imultilib option.
2559         (The Specs Language): Update %I description.
2560         (process_command): Update copyright notice.
2561         * doc/cppopts.texi (-imultilib): Document.
2562         * doc/invoke.texi (-imultilib): Include in option summary.
2563         (%I): Update specs documentation.
2564
2565 2006-01-20  Zdenek Dvorak <dvorakz@suse.cz>
2566
2567         * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
2568
2569 2006-01-20  Richard Sandiford  <richard@codesourcery.com>
2570
2571         * stmt.c (case_bit_test_cmp): Stabilize the sort using code
2572         label numbers.
2573
2574 2006-01-20  Richard Guenther  <rguenther@suse.de>
2575         Steven Bosscher <stevenb.gcc@gmail.com>
2576
2577         PR rtl-optimization/24626
2578         * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
2579         EDGE_TRUE_VALUE if in RTL mode.
2580
2581         Revert
2582         2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
2583         * cfgrtl.c (rtl_verify_flow_info_1): Fix.
2584
2585 2006-01-20  Dirk Mueller  <dmueller@suse.com>
2586
2587         PR c++/5520
2588         * c-parser.c (c_parser_if_body): Use build_empty_stmt()
2589         instead of a special NOP marker.
2590         * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
2591         NOP marker handling.
2592         * c-common.h (empty_body_warning): Add forward declaration.
2593         * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
2594         Now uses IS_EMPTY_STMT() instead of special NOP markers.
2595
2596 2006-01-20  Paul Brook  <paul@codesourcery.com>
2597
2598         * Makefile.in (lang_checks): Keep going if mkdir fails.
2599
2600 2006-01-19  Kenneth Zadeck <zadeck@naturalbridge.com>
2601
2602         * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
2603         be able to clean out basic block when not necessary.
2604         (df_scan_free): Fixed to properly delete information if df is
2605         unused before calling df_finish.
2606         (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
2607         df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
2608         or comment typos.
2609         (df_bb_refs_delete): New function.
2610         (df_refs_delete): Moved per block code to df_bb_refs_delete.
2611         * df-core.c (df_set_blocks): Added code to properly clean out
2612         unused blocks if they are not part of the blocks to consider.
2613         Added additional null check.
2614         (df_compact_blocks): Added basic block parameter to free_bb_fun to
2615         be able to clean out basic block when not necessary
2616         * df.h (df_free_bb_function): Ditto.
2617         (df_bb_refs_delete): New function.
2618         * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
2619         df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
2620         basic block parameter to be able to clean out basic block when not
2621         necessary.
2622         (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
2623         (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
2624         Fixed to properly delete information if df is unused before
2625         calling df_finish.
2626
2627 2006-01-19  Kenneth Zadeck <zadeck@naturalbridge.com>
2628
2629         PR rtl-optimization/25799
2630         * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
2631         Corrected confluence operator to remove bits from op2 before oring
2632         with op1 rather than removing bits from op1.
2633         (df_ru_transfer_function): Corrected test on wrong bitmap which
2634         caused infinite loop.  Both of these problems were introduced in
2635         the dataflow rewrite.
2636
2637 2006-01-19  DJ Delorie  <dj@redhat.com>
2638
2639         * reload1.c (find_reload_regs): Note the details of reload
2640         failures in the dump file.
2641         (spill_failure): Likewise.
2642
2643 2006-01-20  Zdenek Dvorak <dvorakz@suse.cz>
2644
2645         * loop-iv.c: Include df.h and hashtab.h.
2646         (enum iv_grd_result): New enum.
2647         (DF_REF_IV, DF_REF_IV_SET): New macros.
2648         (struct biv_entry): New.
2649         (df, bivs): New global variables.
2650         (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
2651         assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
2652         Removed.
2653         (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
2654         iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
2655         analyzed_for_bivness_p, record_biv): New functions.
2656         (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
2657         get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
2658         iv_analyze, biv_p, iv_analysis_done): Work with df representation of
2659         UD chains.
2660         (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
2661         analysed.
2662         (iv_number_of_iterations): Use new interface to iv analysis.
2663         * loop-unroll.c: Do not include varray.h.
2664         (analyze_iv_to_split_insn): Use new interface to iv
2665         analysis.
2666         * loop-unswitch.c (may_unswitch_on): Ditto.
2667         * df.c (df_bitmaps_free): Only work for bbs for that structures are
2668         allocated.
2669         (df_bb_modify): Realloc tables to the new index.
2670         (df_find_use): New function.
2671         * df.h (df_find_use): Declare.
2672         * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
2673         outmode.
2674         * cfgloop.h (struct rtx_iv): Remove analysed field.
2675         (iv_get_reaching_def): Removed.
2676         (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
2677         * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
2678         (loop-iv.o): Add df.h and hashtab.h dependency.
2679         * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
2680
2681 2006-01-20  Alan Modra  <amodra@bigpond.net.au>
2682
2683         PR target/25668
2684         * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
2685         Double TFmode.
2686         (__floatundisf, __floatundidf): Likewise.
2687         * libgcc2.h (IS_IBM_EXTENDED): Define.
2688
2689 2006-01-19  DJ Delorie  <dj@redhat.com>
2690
2691         * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
2692
2693 2006-01-19  Paul Brook  <paul@codesourcery.com>
2694
2695         * gcc/config/arm/arm.c (arm_compute_func_type): Treat all functions
2696         as nothrow when unwinding tables are disabled.
2697
2698 2006-01-19  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2699
2700         PR testsuite/25171
2701         * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
2702         of bit-field" when in system header.
2703
2704 2006-01-19  DJ Delorie  <dj@redhat.com>
2705
2706         * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
2707         the 16 bit shift limit of the m16c.
2708
2709 2006-01-19  Andrew Pinski  <pinskia@physics.uc.edu>
2710
2711         PR target/22099
2712         * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
2713         * config/i386/i386.c (output_set_got): Output the label if we have one
2714         for the TARGET_DEEP_BRANCH_PREDICTION case.
2715
2716 2006-01-19  Jan Hubicka  <jh@suse.cz>
2717             H.J. Lu  <hongjiu.lu@intel.com>
2718             Evandro Menezes <evandro.menezes@amd.com>
2719
2720         * invoke.texi (generic): Document
2721         (i686) Update.
2722         * config.gcc: Make x86_64-* and i686-* default to generic tunning.
2723         * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
2724         TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
2725         (x86_use_incdec, x86_pad_returns): New variables
2726         (TARGET_CPU_DEFAULT_generic): New constant
2727         (TARGET_CPU_DEFAULT_NAMES): Add generic.
2728         (enum processor_type): Add generic32 and generic64.
2729         * i386.md (cpu attribute): Add generic32/generic64
2730         (movhi splitter): Behave sanely when both partial_reg_dependency and
2731         partial_reg_stall are set.
2732         (K8 splitters): Enable for generic as well.
2733         * predicates.md (incdec_operand): Use TARGET_INCDEC
2734         (aligned_operand): Avoid memory mismatch stalls.
2735         * athlon.md: Enable for generic64, new patterns for 128bit moves.
2736         * ppro.md: Enable for generic32
2737         * i386.c (generic64_cost, generic32_cost): New.
2738         (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
2739         (x86_use_leave): Enable for generic64.  (x86_use_sahf,
2740         x86_ext_80387_constants): Enable for generic32.  (x86_push_memory,
2741         x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
2742         x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
2743         x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
2744         x86_partial_reg_dependency, x86_memory_mismatch_stall,
2745         x86_accumulate_outgoing_args, x86_prologue_using_move,
2746         x86_epilogue_using_move, x86_arch_always_fancy_math_387,
2747         x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
2748         Enable for generic.
2749         (x86_use_incdec, x86_pad_returns): New.
2750         (override_options): Add generic32 and generic64, translate "generic"
2751         to generic32/generic64 and "i686" to "generic32", refuse
2752         "generic32"/"generic64" as arch target.
2753         (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
2754         (ix86_reorg): Honor PAD_RETURNS.
2755
2756 2006-01-19  Diego Novillo  <dnovillo@redhat.com>
2757
2758         * tree-pretty-print.c (dump_generic_node): Handle
2759         OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
2760         * cgraph.c (cgraph_expand_queue): Rename from
2761         cgraph_analyze_queue.  Update all users.
2762         * cgraphunit.c (cgraph_assemble_pending_functions): Process
2763         cgraph_expand_queue.
2764         (cgraph_expand_all_functions): Likewise.
2765         (cgraph_finalize_pending_functions): Remove.  Update callers.
2766
2767         * tree.h (OMP_DIRECTIVE_P): Define.
2768         (OMP_PARALLEL_FN): Define.
2769         (OMP_PARALLEL_DATA_ARG): Define.
2770         (OMP_SECTIONS_SECTIONS): Define.
2771         * tree-pass.h (pass_expand_omp): Declare.
2772         * omp-low.c (struct omp_region): Declare.
2773         (struct omp_context): Remove fields 'parallel_type',
2774         'parallel_start_ix' and 'parallel_start_additional_args'.
2775         Update all users.
2776         (struct omp_for_data): Rename from struct expand_omp_for_data.
2777         (omp_regions): New static variable.
2778         (root_omp_region): New static variable.
2779         (find_omp_clause): Make static.
2780         (is_in_combined_parallel_ctx): Remove.
2781         (is_combined_parallel): New.
2782         (extract_omp_for_data): Move earlier in the file.
2783         (workshare_safe_to_combine_p): New.
2784         (get_ws_args_for): New.
2785         (determine_parallel_type): Move earlier in the file.
2786         (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
2787         child function.
2788         (omp_copy_decl): Likewise.
2789         (create_omp_child_function): Likewise.
2790         (lookup_omp_region): New.
2791         (dump_omp_region): New.
2792         (debug_omp_region): New.
2793         (debug_all_omp_regions): New.
2794         (new_omp_region): New.
2795         (scan_omp_parallel): If parallel_nesting_level > 1, the
2796         directive is nested within another parallel directive.
2797         Set OMP_PARALLEL_FN.
2798         (scan_omp_for): Do not try to handle combined parallel+for
2799         cases.
2800         Remove FIXME comment.
2801         (scan_omp_nested): Remove.
2802         (scan_omp_1): Do not call scan_omp_nested when
2803         parallel_nesting_level is > 1.
2804         Do not change the DECL_CONTEXT of local variables found.
2805         (lookup_decl_in_outer_ctx): New.
2806         (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
2807         (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
2808         (lower_reduction_clauses): Rename from expand_reduction_clauses.
2809         (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
2810         If CTX is nested, lookup VAR in the outer context when
2811         building copy assignment.
2812         (lower_send_clauses): Rename from expand_send_clauses.
2813         If CTX is nested, lookup VAR in the outer context when
2814         building copy assignments.
2815         (lower_send_shared_vars): Rename from expand_send_shared_vars.
2816         If CTX is nested, lookup VAR in the outer context when
2817         building copy assignments.
2818         (expand_parallel_call): Rename from build_parallel_call.
2819         Handle combined parallel+workshare cases.
2820         Re-implement to emit code into the CFG.
2821         (list2chain): New.
2822         (expand_omp_parallel): Re-implement to emit code into the CFG.
2823         Call move_sese_region_to_fn to outline the sub-graph
2824         containing the parallel region.
2825         (expand_omp_for_1): Remove.
2826         (expand_omp_for_generic): Re-implement to emit code into the
2827         CFG.
2828         (expand_omp_for_static_nochunk): Likewise.
2829         (expand_omp_for_static_chunk): Likewise.
2830         (expand_omp_for): Likewise.
2831         (expand_omp_sections): Likewise.
2832         (remove_exit_barriers): New.
2833         (expand_omp_synch): New.
2834         (expand_omp): New.
2835         (build_omp_regions_1): New.
2836         (build_omp_regions): New.
2837         (execute_expand_omp): New.
2838         (gate_expand_omp): New.
2839         (pass_expand_omp): Define.
2840         (lower_omp_sections): Rename from expand_omp_sections.
2841         Set OMP_SECTIONS_SECTIONS.
2842         (lower_omp_single_simple): Rename from expand_omp_single_simple.
2843         (lower_omp_single_copy): Rename from expand_omp_single_copy.
2844         (lower_omp_single): Rename from expand_omp_simple.
2845         (lower_omp_master): Rename from expand_omp_master.
2846         (lower_omp_ordered): Rename from expand_omp_ordered.
2847         (lower_omp_critical): Rename from expand_omp_critical.
2848         (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
2849         (lower_omp_for): Re-implement.
2850         (lower_omp_parallel): Re-implement.
2851         (lower_regimplify): Rename from expand_regimplify.
2852         (lower_omp_1): Rename from expand_omp_1.
2853         If there are syntax errors in the program, replace every
2854         OpenMP directive with NOP.
2855         Call lower_omp_* instead of expand_omp_*.
2856         (lower_omp): Rename from expand_omp.
2857
2858         * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
2859         * tree-gimple.h (enum omp_parallel_type): Remove.
2860         (gimple_boolify): Declare extern.
2861         (find_omp_clause, determine_parallel_type): Remove.
2862
2863         * gimple-low.c (lower_omp_directive): New.
2864         (lower_stmt): Call it.
2865         (record_vars_into): Move from ...
2866         (record_vars): ... here.
2867         Call record_vars_into with current_function_decl.
2868
2869         * gimplify.c (struct gimplify_ctx): Remove fields
2870         combined_pre_p and combined_ctxp.  Update users.
2871         (get_formal_tmp_var): Add documentation.
2872         (gimple_boolify): Make extern.
2873         (gimplify_expr_in_ctx): Remove.  Update callers.
2874         (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
2875         will always be a BIND_EXPR.
2876         (gimplify_expr): Handle OMP_RETURN_EXPR.
2877         * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
2878         (OMP_PARALLEL): Add 3 operands.
2879         (OMP_SECTIONS): Add 1 operand.
2880         (OMP_RETURN_EXPR): Define.
2881
2882         * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
2883         (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
2884         * tree-iterator.c (alloc_stmt_list): Assert that we are not
2885         creating a circular free list.
2886         (free_stmt_list): Assert that we are not freeing stmt_list_cache.
2887
2888         * tree-flow.h (move_sese_region_to_fn): Declare.
2889         (record_vars_into): Declare.
2890         * tree-cfg.c (make_omp_sections_edges): New.
2891         (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
2892         OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
2893         OMP_SECTIONS and OMP_SECTION.
2894         (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
2895         (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
2896         (verify_stmt): Do not handle OMP_DIRECTIVE_P.
2897         (gather_blocks_in_sese_region): New.
2898         (struct move_stmt_d): Declare.
2899         (move_stmt_r): New.
2900         (move_block_to_fn): New.
2901         (move_sese_region_to_fn): New.
2902
2903         * passes.c (init_optimization_passes): Schedule
2904         pass_expand_omp after pass_init_datastructures.
2905
2906         * tree-ssa-operands.c (get_expr_operands): Handle
2907         OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
2908         OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
2909
2910 2006-01-19  Jeff Law  <law@redhat.com>
2911
2912         * tree-vrp.c (extract_range_from_assert): Refine the result range
2913         if the variable referenced by the ASSERT_EXPR has a range and
2914         either the tentative result range or the previous range is a
2915         VR_ANTI_RANGE.
2916
2917 2006-01-19  Richard Sandiford  <richard@codesourcery.com>
2918
2919         * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
2920
2921 2006-01-19  Jan Hubicka  <jh@suse.cz>
2922
2923         * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
2924
2925 2006-01-19  Paolo Bonzini  <bonzini@gnu.org>
2926
2927         * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
2928         (expand_compound_operation, expand_field_assignment): Fail if the
2929         bit lengths of an extract operation are out of range.
2930         (make_extraction): Compute wanted_inner_mode based on the position
2931         and length of the extraction.  Make it extraction_mode for non-constant
2932         positions, and do not modify offset in that case.  When generating a
2933         new MEM, use a mode that can hold the extraction while keeping correct
2934         alignment.  Remove code that supported MEMs wrapped by USEs.
2935         (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
2936
2937 2006-01-19  Andreas Krebbel  <krebbel1@de.ibm.com>
2938
2939         * config/s390/s390.md ("Y", "y"): New mode attribute.
2940         ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
2941         "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
2942         "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
2943         "*addsi3_imm_cc", "*addsi3_carry1_cc",
2944         "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
2945         "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
2946         "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
2947         "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
2948         "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
2949         "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
2950         "addsi3", "subsi3"): Insn patterns removed.
2951         ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
2952         "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
2953         "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
2954         "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
2955         "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
2956         "*sub<mode>3_cconly2"): New insn patterns.
2957         ("addsi3", "subsi3"): New expanders.
2958
2959 2006-01-19  Dorit Nuzman  <dorit@il.ibm.com>
2960
2961         * Makefile.in (tree-vect-patterns.o): Add rule for new file.
2962         * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
2963         existing STMT_VINFO_VECTYPE if available.
2964         (vect_mark_relevant): Add special handling for stmts that are
2965         marked as STMT_VINFO_IN_PATTERN_P.
2966         (vect_analyze_loop): Call vect_pattern_recog.
2967         * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
2968         * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
2969         stmt_info.
2970         (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
2971         (vect_recog_func_ptr): New function-pointer type.
2972         * tree-vect-patterns.c: New file.
2973         (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
2974         (vect_recog_dot_prod_pattern, vect_pattern_recog):
2975         (vect_pattern_recog_1): New functions.
2976         (vect_pattern_recog_funcs): New array of function pointers.
2977
2978         * tree-vectorizer.h (ternary_op): New enum value.
2979         * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
2980         declaration. Revised documentation. Removed redundant dump prints.
2981         Removed redundant argument. Added support for reduction patterns.
2982         (vectorizable_reduction): Added support for reduction patterns.
2983         (vect_transform_stmt): Added support for patterns.
2984
2985         * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
2986         * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
2987         * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
2988         (expand_widen_pattern_expr): New function.
2989         (init_optabs): Initialize new optabs udot_prod_optab,
2990         sdot_prod_optab.
2991         * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
2992         (sdot_prod_optab, udot_prod_optab): Define new optabs.
2993         (expand_widen_pattern_expr): New function declaration.
2994         * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
2995         tree-codes.
2996         * tree-inline.c (estimate_num_insns_1): Added cases for new
2997         tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
2998         * tree-pretty-print.c (dump_generic_node): Likewise.
2999         (op_prio): Likewise.
3000         (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
3001         * tree-ssa-operands.c (get_expr_operands): Added case for
3002         DOT_PROD_EXPR.
3003         * tree-vect-patterns.c (widened_name_p): New function.
3004         (vect_recog_dot_prod_pattern): Added function implementation.
3005         * tree-vect-transform.c (get_initial_def_for_reduction): Added
3006         cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
3007         * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
3008         * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
3009
3010         * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
3011         * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
3012         * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
3013         (init_optabs): Initialize new optabs widen_ssum_optab,
3014         widen_usum_optab.
3015         * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
3016         (widen_ssum_optab, widen_usum_optab): Define new optabs.
3017         * tree-vect-generic.c: (expand_vector_operations_1): Check type of
3018         use instead of type of def.
3019         * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
3020         function implementation.
3021         * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
3022         widen_ssumv8hi): New.
3023
3024         * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
3025         patterns.
3026
3027 2006-01-19  Richard Sandiford  <richard@codesourcery.com>
3028
3029         PR c/25805
3030         * c-decl.c (add_flexible_array_elts_to_size): New function.
3031         (finish_decl): Use it.
3032
3033 2006-01-18  Andrew Pinski  <pinskia@physics.uc.edu>
3034
3035         * diagnostic.h: Include options.h.
3036         * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
3037         dependancies for diagnostic.h.
3038         * Makefile.in (DIAGNOSTIC_H): Add options.h.
3039
3040 2006-01-16  Daniel Berlin  <dberlin@dberlin.org>
3041
3042         * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
3043         (ssa_ro_call_cache_valid): Ditto.
3044         * tree-ssa-alias.c (sort_tags_by_id): New function.
3045         (init_transitive_clobber_worklist): Ditto.
3046         (add_to_worklist): Ditto.
3047         (mark_aliases_call_clobbered): Ditto.
3048         (compute_tag_properties): Ditto.
3049         (set_initial_properties): Ditto.
3050         (compute_call_clobbered): Ditto.
3051         (compute_may_aliases):  Call compute_call_clobbered and grouping.
3052         (compute_flow_sensitive_aliasing): Remove clobbering related code.
3053         (compute_flow_insensitive_aliasing): Grouping now happens in our
3054         caller.
3055         (setup_pointers_and_addressables): Remove clobbering related code.
3056         (add_may_alias): Ditto.
3057         (replace_may_alias): Ditto.
3058         (get_nmt_for): Ditto.
3059         (create_global_var):
3060         (is_escape_site): Return an escape_type enumeration.
3061         * tree-flow-inline.h (is_call_clobbered):  Global var does not
3062         imply call clobbered.
3063         (mark_call_clobbered): Take a reason for marking this. Remove
3064         marking of globalness, and cache invalidation.
3065         (clear_call_clobbered): Remove cache invalidation code.
3066         * tree-dfa.c (dump_variable): If details is on, dump the reason
3067         for escaping.
3068         * tree-outof-ssa.c (create_temp): Copy escape mask from original
3069         variable.
3070         * tree-flow.h (struct ptr_info_def): Add escape mask member.
3071         (struct var_ann_d): Ditto.
3072         (enum escape_type): New.
3073         (mark_call_clobbered): Adjust prototype.
3074         * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
3075         are never call clobbered.
3076         Record reasons for escaping.
3077         * tree-ssa-structalias.h (is_escape_site): Update prototype.
3078         * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
3079         (ssa_ro_call_cache_valid): Ditto.
3080         (clobbered_v_may_defs): Ditto.
3081         (clobbered_vuses): Ditto.
3082         (ro_call_vuses): Ditto.
3083         (clobber_stats): New.
3084         (init_ssa_operands): Zero out clobber stats.
3085         (fini_ssa_operands): Print out clobber stats.
3086         (get_call_expr_operands): Pass callee fndecl to
3087         add_call_read_ops).
3088         (add_call_clobber_ops): Remove use of cache.
3089         Add use of PURE_CONST information.
3090         (add_call_read_ops): Remove use of cache.
3091         Add use of static not_read information.
3092
3093 2006-01-18  Alexandre Oliva  <aoliva@redhat.com>
3094
3095         Introduce TLS descriptors for i386 and x86_64.
3096         * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
3097         (TARGET_ANY_GNU_TLS): New macro.
3098         (enum tls_dialect): Added TLS_DIALECT_GNU2.
3099         (struct machine_function): Add tls_descriptor_call_expanded_p.
3100         (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
3101         (ix86_current_function_calls_tls_descriptor): Likewise.
3102         * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
3103         (override_options): Introduce gnu2 tls dialect.
3104         (ix86_frame_pointer_required): Functions containing TLSCALLs are
3105         not leaves.
3106         (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
3107         Likewise.
3108         (legitimize_tls_address): Adjust logic for GNU2 TLS.
3109         (ix86_init_machine_status): Initialize new field.
3110         (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
3111         (ix86_tls_module_base): New.
3112         * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
3113         * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
3114         (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
3115         (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
3116         (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
3117         (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
3118         (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
3119         (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
3120         * config/i386/predicates.md (tls_modbase_operand): New.
3121         (tp_or_register_operand): New.
3122
3123 2006-01-18  Daniel Berlin  <dberlin@dberlin.org>
3124
3125         * ipa-reference.c (check_operand):  Allow FUNCTION_DECL.
3126         (look_for_address_of): Ditto.
3127         (ipa_init): Walk the function decls.
3128         (static_execute): Don't set readonly on FUNCTION_DECL's.
3129
3130 2006-01-18  Roger Sayle  <roger@eyesopen.com>
3131
3132         * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
3133         for shifts where the source and destination registers are different.
3134
3135 2006-01-18  Paul Brook  <paul@codesourcery.com>
3136
3137         Merge from csl-arm-branch.
3138         2005-03-14  Julian Brown  <julian@codesourcery.com>
3139         * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
3140         (aeabi_llsl): Likewise.
3141         (ashrdi3): Likewise.
3142         (aeabi_lasr): Likewise.
3143         (lshrdi3): Likewise.
3144         (aeabi_llsr): Likewise.
3145         2005-03-10  Julian Brown  <julian@codesourcery.com>
3146         * config.gcc: Disable shared libgcc for SymbianOS.
3147         * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
3148
3149 2006-01-18  DJ Delorie  <dj@redhat.com>
3150
3151         * c-pragma.c (handle_pragma_diagnostic): New.
3152         (init_pragma): Register it.
3153         * doc/extend.texi: Document it.
3154
3155         * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
3156         * diagnostic.h (diagnostic_classify_diagnostic): Declare.
3157         (diagnostic_context): Add classify_diagnostic[].
3158         * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
3159         as errors if they're overridden to DK_WARNING.
3160         (diagnostic_initialize): Initialize classify_diagnostic[].
3161         (diagnostic_set_kind_override): New.
3162         (diagnostic_report_diagnostic): Check for kind changes.
3163         * opts.c (common_handle_option): Take lang_mask.  Update callers.
3164         Handle OPT_Werror_.
3165         * common.opt (Werror=): New.
3166         * doc/invoke.texi: Document -Werror=*
3167
3168 2006-01-18  Jeff Law  <law@redhat.com>
3169
3170         * tree-vrp.c (test_for_singularity): Correct test for new
3171         min limit.  Use operand_equal_p rather than pointer equality
3172         for testing if new min/max values are equal.
3173
3174         * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
3175         using range information until after propagation and folding.
3176
3177 2006-01-18  Richard Henderson  <rth@redhat.com>
3178             Aldy Hernandez  <aldyh@redhat.com>
3179             Jakub Jelinek  <jakub@redhat.com>
3180             Diego Novillo  <dnovillo@redhat.com>
3181
3182         * omp-low.c: New file.
3183         * c-omp.c: New file.
3184
3185 2006-01-18  Richard Henderson  <rth@redhat.com>
3186             Jakub Jelinek  <jakub@redhat.com>
3187             Diego Novillo  <dnovillo@redhat.com>
3188
3189         * doc/invoke.texi: Document -fopenmp.
3190         * tree-dump.h (debug_function): Declare.
3191         * hooks.c (hook_bool_tree_bool_false): New function.
3192         (hook_tree_tree_null): Remove.
3193         (hook_tree_tree_tree_null): New.
3194         * hooks.h: Update to match.
3195         * tree-pretty-print.c (debug_tree_chain): New.
3196         (print_generic_expr): Handle TDF_CHAIN.
3197         (dump_generic_node): Handle BLOCK.
3198         Do not abort with incomplete SWITCH_EXPRs.
3199         Do not dump body of an OpenMP directive if TDF_SLIM is given.
3200         <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
3201         print space after directive name.
3202         <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
3203         Handle OMP_MASTER and OMP_ORDERED.
3204         Handle printing of OMP_BODY just in one place, goto
3205         dump_omp_body in the rest of OMP_* nodes that have
3206         OMP_BODY.
3207         Don't handle clause nodes here.  Update omp statements to
3208         use dump_omp_clauses.
3209         Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
3210         OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
3211         OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
3212         GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
3213         GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
3214         GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
3215         Adjust output for GOMP_PARALLEL.
3216         (dump_omp_clauses): New.
3217         (print_declaration): Dump DECL_VALUE_EXPR.
3218         (op_symbol_1): Split out of op_symbol.
3219         (dumping_stmts): Remove.  Update all users.
3220         * cgraph.c (cgraph_analyze_queue): New.
3221         (cgraph_add_new_function): New.
3222         * cgraph.h (cgraph_analyze_queue): Declare.
3223         (cgraph_add_new_function): Declare.
3224         (cgraph_lower_function): Remove.
3225         * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
3226         nodes.  Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
3227         and TYPE_P nodes in its default clause.
3228         (empty_body_p): New.
3229         (tree_range_check_failed): New.
3230         (build5_stat): New.
3231         * tree.h (OMP_CLAUSE_REDUCTION_INIT,
3232         OMP_CLAUSE_REDUCTION_MERGE,
3233         OMP_CLAUSE_REDUCTION_PLACEHOLDER,
3234         OMP_CLAUSE_PRIVATE_DEBUG,
3235         OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
3236         OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
3237         OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
3238         OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
3239         OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
3240         OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
3241         OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
3242         OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
3243         OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
3244         OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
3245         OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
3246         OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
3247         OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
3248         OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
3249         (TREE_RANGE_CHECK): New.
3250         (empty_body_p): Declare.
3251         (enum omp_clause_default_kind): New.
3252         (build_string_literal): Declare.
3253         (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
3254         (build5_stat, build5): Declare.
3255         * tree-pass.h (TDF_CHAIN): Define.
3256         * tree-pass.h (PROP_gimple_lomp): Define.
3257         (pass_lower_omp): Declare.
3258         * diagnostic.h (debug_tree_chain): Declare.
3259         * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
3260         mode_for_size.
3261         (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
3262         * builtins.c (build_string_literal): Make extern.
3263         * gcc.c (include_spec_function): New.
3264         (static_spec_functions): Add it.
3265         (main): Move load of libgomp.spec ...
3266         (LINK_COMMAND_SPEC): ... here.
3267         (link_gomp_spec): New.
3268         (static_specs): Include it.
3269         (LINK_COMMAND_SPEC): Add link_gomp.
3270         (GOMP_SELF_SPECS): New.
3271         (driver_self_specs): Include it.
3272         (switch_matches): Don't mark inline.
3273         (main): Load libgomp.spec.
3274         * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
3275         OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
3276         and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
3277         * tree-gimple.h (enum omp_parallel): Declare.
3278         (determine_parallel_type): Declare.
3279         (omp_firstprivatize_variable): Declare.
3280         (omp_reduction_init): Declare.
3281         (diagnose_omp_structured_block_errors): Declare.
3282         (struct walk_stmt_info): Add want_return_expr.
3283         (struct walk_stmt_info): Add want_bind_expr, want_locations.
3284         (find_omp_clause): Declare.
3285         (insert_field_into_struct): Declare.
3286         (struct walk_stmt_info): Move from tree-nested.c
3287         (walk_stmts): Declare.
3288         * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
3289         to 200505.
3290         * cgraphunit.c (cgraph_lower_function): Make static.
3291         (cgraph_finalize_pending_functions): New.
3292         (cgraph_finalize_function): Call it.
3293         (cgraph_finalize_compilation_unit): Likewise.
3294         * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
3295         BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
3296         (BT_FN_UINT_UINT): New.
3297         (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
3298         DEF_FUNCTION_TYPE_VAR_4): Document.
3299         (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
3300         BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
3301         BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
3302         BT_FN_VOID_OMPFN_PTR_UINT_UINT,
3303         BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
3304         BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
3305         BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
3306         BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
3307         * builtins.def: Update DEF_BUILTIN comment to include COND argument.
3308         Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
3309         into separate files.
3310         (DEF_GOMP_BUILTIN): New.
3311         (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
3312         BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
3313         BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
3314         BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
3315         BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
3316         BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
3317         BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
3318         BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
3319         BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
3320         BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
3321         BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
3322         BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
3323         BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
3324         BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
3325         BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
3326         BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
3327         BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
3328         BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
3329         BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
3330         BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
3331         BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
3332         BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
3333         BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
3334         BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
3335         BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
3336         BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
3337         * sync-builtins.def: New file, moved from builtins.def.
3338         * omp-builtins.def: New file, moved from builtins.def.
3339         * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
3340         * gimple-low.c (lower_function_body): Clear data.
3341         (lower_stmt): Do not handle COMPOUND_EXPR.
3342         Remove call to print_node_brief.
3343         * c-tree.h (c_finish_omp_clauses): New prototype.
3344         (C_DECL_THREADPRIVATE_P): Define.
3345         (lookup_name_no_remap, c_omp_remap_private): Remove
3346         (c_begin_omp_parallel, c_finish_omp_parallel): Update.
3347         (check_for_loop_decls): Update decl.
3348         (lookup_name_no_remap, c_omp_remap_private): Declare.
3349         (build_indirect_ref, build_modify_expr, pushdecl,
3350         pushdecl_top_level): Move to c-common.h.
3351         * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
3352         before the switch, but just in the 2 places that need it.
3353         * c-decl.c (diagnose_mismatched_decls): Do not check for
3354         mismatched thread-local attributes when OLDDECL is marked
3355         threadprivate and NEWDECL has no thread-local attributes.
3356         (merge_decls): Merge C_DECL_THREADPRIVATE_P.
3357         (c_gimple_diagnostics_recursively): Rename from
3358         c_warn_unused_result_recursively.  Invoke
3359         diagnose_omp_structured_block_errors.
3360         (check_for_loop_decls): Return a singular decl found.
3361         * langhooks.c (lhd_omp_predetermined_sharing): Return
3362         OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
3363         (lhd_omp_firstprivatize_type_sizes): New.
3364         (lhd_omp_assignment): New.
3365         (lhd_omp_predetermined_sharing): New.
3366         * langhooks.h (struct gimplify_omp_ctx): Forward declare.
3367         (struct lang_hooks_for_types): Add
3368         omp_firstprivatize_type_sizes, omp_privatize_by_reference,
3369         omp_predetermined_sharing, omp_disregard_value_expr,
3370         omp_private_debug_clause, omp_clause_default_ctor,
3371         omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
3372         (c_finish_omp_clauses): New.
3373         (c_finish_bc_stmt): Diagnose break within omp for.
3374         (c_begin_omp_parallel, c_finish_omp_parallel): New.
3375         (build_unary_op): Return error_mark after reporting
3376         a readonly_error.
3377         (build_modify_expr): Likewise.
3378         * gimplify.c: Include optabs.h and pointer-set.h.
3379         (enum gimplify_omp_var_data): Declare.
3380         (struct gimplify_omp_ctx): Declare.
3381         (struct gimplify_ctx): Add fields prev_context, combined_pre_p
3382         and combined_ctxp.
3383         (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
3384         (push_gimplify_context, pop_gimplify_context): Allow nesting.
3385         (splay_tree_compare_decl_uid): New.
3386         (new_omp_context): New.
3387         (delete_omp_context): New.
3388         (gimple_add_tmp_var): Call omp_add_variable.
3389         (gimplify_bind_expr): Likewise.
3390         (gimplify_var_or_parm_decl): If omp_notice_variable returned
3391         true, disregard DECL_VALUE_EXPR on the decl if any.
3392         (gimplify_expr_in_ctx): New.
3393         (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
3394         omp_add_variable, omp_notice_variable, omp_is_private
3395         gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
3396         gimplify_adjust_omp_clauses, gimplify_omp_parallel
3397         gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
3398         gimplify_omp_atomic_fetch_op, goa_stabilize_expr
3399         gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
3400         gimplify_omp_atomic): New.
3401         (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
3402         OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
3403         OMP_CRITICAL and OMP_ATOMIC.
3404         (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
3405         * c-pragma.h (enum pragma_kind): Add
3406         PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
3407         PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
3408         PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
3409         PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
3410         PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
3411         PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
3412         PRAGMA_OMP_THREADPRIVATE.
3413         * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
3414         OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
3415         OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
3416         OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
3417         OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
3418         OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
3419         OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
3420         OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
3421         OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
3422         * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
3423         * tree-ssa-dce.c (find_control_dependence): Do not assume that
3424         ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
3425         * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
3426         OpenMP directives.
3427         (struct nesting_info): Add field_map,
3428         suppress_expansion, debug_var_chain.
3429         (create_nesting_tree): Initialize them.
3430         (lookup_field_for_decl): Use field_map.
3431         (get_nonlocal_debug_decl, get_local_debug_decl): New.
3432         (convert_local_omp_clauses): New.
3433         (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
3434         (walk_body): Split out of walk_function.
3435         (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
3436         (convert_nonlocal_reference): Handle omp statements.
3437         (convert_local_reference): Likewise.
3438         (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
3439         (unnest_nesting_tree): New.
3440         (lower_nested_functions): Call it.
3441         (insert_field_into_struct): Make extern.
3442         (struct walk_stmt_info): Move to tree-gimple.h.
3443         (walk_stmts): Make extern.
3444         * omp-builtins.def: New file.
3445         * tree-iterator.c (expr_only): Clarify comment.
3446         * c-common.h (pushdecl_top_level, pushdecl,
3447         build_modify_expr, build_indirect_ref,
3448         c_finish_omp_master, c_finish_omp_critical,
3449         c_finish_omp_ordered, c_finish_omp_barrier,
3450         c_finish_omp_atomic, c_finish_omp_flush,
3451         c_finish_omp_for, c_split_parallel_clauses,
3452         omp_clause_default_kind, c_omp_sharing_predetermined,
3453         c_omp_remap_decl): Declare.
3454         * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
3455         (OBJS-common): Add omp-low.o.
3456         (c-omp.o, omp-low.o): Add.
3457         (gimplify.o): Add dependency on $(OPTABS_H).
3458         (GTFILES): Add omp-low.c.
3459         (gt-stringpool.h): Add.
3460         * tree-cfg.c (set_bb_for_stmt): Do not update the
3461         block-to-labels map if we are currently expanding to RTL.
3462         (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
3463         checks.
3464         Handle IDENTIFIER_NODE.
3465         (tree_verify_flow_info): Do not ICE when emitting error
3466         messages about invalid labels.
3467         (dump_function_to_file): Reset CFUN before emitting the body
3468         of the function.
3469         (debug_function): New.
3470         * passes.c (init_optimization_passes): Schedule
3471         pass_lower_omp.
3472         * langhooks-def.h (lhd_omp_predetermined_sharing,
3473         lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
3474         Declare.
3475         (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
3476         (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
3477         (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
3478         LANG_HOOKS_OMP_PREDETERMINED_SHARING,
3479         LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
3480         LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
3481         LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
3482         LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
3483         LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
3484         LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
3485         (LANG_HOOK_DECLS): Use them.
3486
3487 2006-01-18  Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
3488             Richard Henderson  <rth@redhat.com>
3489             Jakub Jelinek  <jakub@redhat.com>
3490             Diego Novillo  <dnovillo@redhat.com>
3491
3492         * c-parser.c (pragma_omp_clause): Define.
3493         (c_parser_declaration_or_fndef): Document OpenMP syntax.
3494         (c_parser_compound_statement): Likewise.
3495         (c_parser_statement): Likewise.
3496         (c_parser_pragma): Handle omp pragmas.
3497         (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
3498         OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
3499         (c_parser_omp_clause_name, check_no_duplicate_clause,
3500         c_parser_omp_variable_list,
3501         c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
3502         c_parser_omp_clause_copyprivate,
3503         c_parser_omp_clause_default,
3504         c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
3505         c_parser_omp_clause_lastprivate,
3506         c_parser_omp_clause_nowait,
3507         c_parser_omp_clause_num_threads,
3508         c_parser_omp_clause_ordered, c_parser_omp_clause_private,
3509         c_parser_omp_clause_reduction,
3510         c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
3511         c_parser_omp_all_clauses, c_parser_omp_structured_block,
3512         c_parser_omp_atomic, c_parser_omp_barrier,
3513         c_parser_omp_critical, c_parser_omp_flush,
3514         c_parser_omp_for_loop, c_parser_omp_for,
3515         c_parser_omp_master, c_parser_omp_ordered,
3516         c_parser_omp_sections_scope, c_parser_omp_sections,
3517         c_parser_omp_parallel, c_parser_omp_single,
3518         c_parser_omp_construct, c_parser_omp_threadprivate): New.
3519         * c-pragma.c (init_pragma): Do omp pragma registration here.
3520         * c.opt (fopenmp): New flag.
3521
3522 2006-01-18  Eric Christopher  <echristo@apple.com>
3523
3524         * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
3525         * config/darwin.h (GOMP_SELF_SPECS): Define.
3526
3527 2006-01-18  Kazu Hirata  <kazu@codesourcery.com>
3528
3529         * rtl.h: Remove the prototype for reg_alloc.
3530
3531 2006-01-18  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3532
3533         PR target/25731
3534         * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
3535         hppa[12]*-*-hpux11*): Override default shared libgcc version for both
3536         sjlj and dwarf2 exception handling.
3537         * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
3538         Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
3539         * pa/pa.c (function_value): Treat complex and vector types as
3540         aggregates.
3541         (function_arg): Likewise.  Only pass scalar floats in the floating
3542         point argument registers.
3543         * pa/t-slibgcc-dwarf-ver: New file.
3544         * pa/t-slibgcc-sjlj-ver: New file.
3545         * pa/t-slibgcc-elf-ver: Delete file.
3546
3547 2006-01-19  Alan Modra  <amodra@bigpond.net.au>
3548
3549         * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
3550         unlikely_test_section_p test.
3551
3552 2006-01-18  Kazu Hirata  <kazu@codesourcery.com>
3553
3554         * mode-switching.c (optimize_mode_switching): Make it static.
3555         * basic-block.h: Remove the prototype for
3556         optimize_mode_switching.
3557
3558         * modulo-sched.c (sms_schedule): Make it static.
3559         * rtl.h: Remove the prototype for sms_schedule.
3560
3561         * postreload-gcse.c (gcse_after_reload_main): Make it static.
3562         * rtl.h: Remove the prototype for gcse_after_reload_main.
3563
3564         * reg-stack.c (reg_to_stack): Make it static.
3565         * rtl.h: Remove the prototype for reg_to_stack.
3566
3567         * regrename.c (regrename_optimize, copyprop_hardreg_forward):
3568         Make them static.
3569         * rtl.h: Remove the prototypes for regrename_optimize and
3570         copyprop_hardreg_forward.
3571
3572 2006-01-18  Eric Botcazou  <ebotcazou@adacore.com>
3573
3574         * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
3575         alpha_split_tmode_pair.  Add 'mode' and 'fixup_overlap' arguments.
3576         Test against the appropriate null constant for the mode.
3577         If 'fixup_overlap' is true, swap the operands if they overlap.
3578         (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
3579         * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
3580         alpha_split_tmode_pair and adjust for above change.
3581         * config/alpha/alpha.md (movtf_internal): Adjust call to
3582         alpha_split_tfmode_pair and rely on it to swap the operands.
3583         (movti_internal): New insn and post-reload splitter.
3584         (movti): New expander.
3585
3586 2006-01-18  Philippe De Muyter  <phdm@macqel.be>
3587
3588         * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
3589         operands.
3590
3591 2006-01-18  Kazu Hirata  <kazu@codesourcery.com>
3592
3593         * rtlanal.c (global_reg_mentioned_p_1,
3594         global_reg_mentioned_p): Remove.
3595         * rtl.h: Remove the prototype for global_reg_mentioned_p.
3596
3597         * flow.c (initialize_uninitialized_subregs): Make it static.
3598         * rtl.h: Remove the prototype for
3599         initialize_uninitialized_subregs.
3600
3601         * function.c (instantiate_virtual_regs): Make it static.
3602         * function.h: Remove the prototype for
3603         instantiate_virtual_regs.
3604
3605         * regmove.c (regmove_optimize, combine_stack_adjustments):
3606         Make them static.
3607         * rtl.h: Remove the prototypes for regmove_optimize and
3608         combine_stack_adjustments.
3609
3610 2006-01-17  Roger Sayle  <roger@eyesopen.com>
3611
3612         * config/i386/i386.c (COSTS_N_BYTES): New macro.
3613         (size_cost): Encode costs in bytes so that a reg-reg addition is
3614         equivalent to COSTS_N_INSNS(1).
3615         (override_options): Use the size_cost.branch_cost as the default
3616         ix86_branch_cost when optimizing for size.
3617
3618 2006-01-18  Ben Elliston  <bje@au.ibm.com>
3619
3620         * Makefile.in (D32PBIT_FUNCS): New.
3621         (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
3622         (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
3623         D64PBIT_FUNCS and D128PBIT_FUNCS.
3624         (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
3625         * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
3626         D128PBIT are set.
3627         (decnumber_dep): Define.
3628         * doc/libgcc.texi (Decimal float library routines): New node.
3629         * config/dfp-bit.h, config/dfp-bit.c: New files.
3630
3631 2006-01-18  Ben Elliston  <bje@au.ibm.com>
3632
3633         * expr.c (emit_move_change_mode): Always adjust addresses, not
3634         just during reload.  Copy replacements only during reload.
3635         (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
3636         emit_move_via_integer.
3637
3638 2006-01-17  Shantonu Sen  <ssen@opendarwin.org>
3639
3640         * Makefile.in (check-%, check-consistency): Use $${srcdir}
3641         instead of $(srcdir) and ${srcdir}.
3642
3643 2006-01-17  Richard Earnshaw  <rearnsha@arm.com>
3644
3645         PR target/592
3646         PR middle-end/11135
3647         * arm.h (struct machine_function): Add pic_reg.
3648         * arm.c (arm_pic_register): Make unsigned.
3649         (arm_override_options): Only set arm_pic_register if
3650         TARGET_SINGLE_PIC_BASE.
3651         (use_return_insn): Only test for a pic register if it is fixed.
3652         (arm_compute_save_reg0_reg12_mask): Likewise.
3653         (thumb_compute_save_reg_mask): Likewise.
3654         (legitimate_pic_operand): Factor out some known invariants.
3655         (legitimize_pic_address): If we don't have a fixed pic register,
3656         then set up a pseudo in the function entry sequence.  Handle the
3657         pic base being in a pseudo.
3658         (arm_load_pic_register): Handle the pic register being in a pseudo.
3659         (arm_expand_prologue): Only set up the pic register if it is fixed.
3660         (thumb_expand_prologue): Likewise.
3661         * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
3662         (pic_load_addr_based_insn): Likewise.
3663         (builtin_setjmp_receiver): Don't restore the pic base if it isn't
3664         fixed.
3665
3666 2006-01-18  Ben Elliston  <bje@au.ibm.com>
3667
3668         * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
3669         decimal float modes for all floating point registers.
3670
3671         * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
3672         match_code "mem" with match_test "macho_lo_sum_memory_operand".
3673
3674 2006-01-17  Jakub Jelinek  <jakub@redhat.com>
3675
3676         PR c/25682
3677         * c-typeck.c (build_unary_op): Fold offsetof-like expressions
3678         even when the pointer is not NULL.
3679
3680 2006-01-16  Ian Lance Taylor  <ian@airs.com>
3681
3682         * common.opt (ftoplevel-reorder): New option.
3683         * cgraph.c (cgraph_asm_nodes): New global variable.
3684         (cgraph_asm_last_node): New static variable.
3685         (cgraph_order): New global variable.
3686         (cgraph_create_node): Set new order field.
3687         (cgraph_varpool_node): Likewise.
3688         (decide_is_variable_needed): Return true if not
3689         flag_toplevel_reorder.
3690         (cgraph_add_asm_node): New function.
3691         * cgraph.h (struct cgraph_node): Add order field.
3692         (struct cgraph_varpool_node): Add order field.
3693         (struct cgraph_asm_node): Define.
3694         (cgraph_asm_nodes, cgraph_order): Declare.
3695         (cgraph_add_asm_node): Declare.
3696         * cgraphunit.c (cgraph_varpool_assemble_decl): New static
3697         function.
3698         (cgraph_varpool_assemble_pending_decls): Call it.
3699         (cgraph_output_pending_asms): New static function.
3700         (cgraph_finalize_compilation_unit): Call it.
3701         (struct cgraph_order_sort): Define.
3702         (cgraph_output_in_order): New static function.
3703         (cgraph_optimize): Call cgraph_output_pending_asms.  Add code for
3704         !flag_toplevel_reorder case.
3705         * c-parser.c: Include "cgraph.h".
3706         (c_parser_asm_definition): Call cgraph_add_asm_node rather than
3707         assemble_asm.
3708         * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
3709         than -fno-unit-at-a-time.
3710         * doc/invoke.texi (Option Summary): Mention
3711         -fno-toplevel-reorder.
3712         (Optimize Options): Document -fno-toplevel-reorder.  Mention it in
3713         -funit-at-a-time documentation.
3714
3715 2006-01-17  Hans-Peter Nilsson  <hp@axis.com>
3716             Kazu Hirata  <kazu@codesourcery.com>
3717
3718         * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
3719
3720 2006-01-17  Kazu Hirata  <kazu@codesourcery.com>
3721
3722         * Makefile.in (FUNCTION_H): New.  Use it instead of
3723         function.h throughout the file.
3724         * function.h: Include tree.h.
3725
3726 2006-01-17  Ben Elliston  <bje@au.ibm.com>
3727
3728         * recog.c: Separate some functions with whitespace.
3729
3730 2006-01-16  Richard Henderson  <rth@redhat.com>
3731
3732         Merge from gomp branch:
3733         * Makefile.in (TREE_INLINE_H): New.  Use it as needed.
3734         * tree-inline.h (struct copy_body_data): Move from tree-inline.c
3735         and rename from struct inline_data.  Rename callee* to dst*;
3736         caller* to src*; add copy_decl hook, transform_call_graph_edges,
3737         transform_new_cfg, transform_return_to_modify, and
3738         transform_lang_insert_block flags; remove cloning_p, versioning_p,
3739         update_clones_p.
3740         (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
3741         (copy_decl_for_dup): Remove.
3742         * tree-inline.c (struct inline_data): Move to header.
3743         (insert_decl_map): Export.
3744         (remap_decl): Update for member name changes.  Use copy_decl hook.
3745         Allow for replacement to be a non-decl.  Remove dead code.
3746         (remap_type_1): Check for existing mapping.
3747         (remap_type): Export.
3748         (remap_decls): Update for member name changes.
3749         (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
3750         (copy_body, setup_one_parameter, declare_return_variable): Likewise.
3751         (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
3752         (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
3753         (tree_function_versioning, build_duplicate_type): Likewise.
3754         (copy_body_r): Likewise.  Export.
3755         (copy_decl_for_dup): Split into ...
3756         (copy_decl_for_dup_finish, copy_decl_to_var,
3757         copy_decl_no_change, copy_decl_maybe_to_var): ... these.
3758         (replace_ref_tree, inlining_p): Remove.
3759
3760 2006-01-16  Kazu Hirata  <kazu@codesourcery.com>
3761
3762         * ifcvt.c (if_convert): Make it static.
3763         * rtl.h: Remove the prototype for if_convert.
3764
3765         * local-alloc.c (local_alloc): Make it static.
3766         * rtl.h: Remove the prototype for local_alloc.
3767
3768         * loop.c (loop_optimize): Make it static.
3769         * cfgloop.h: Remove the prototype for loop_optimize.
3770         * rtl.h: Likewise.
3771
3772 2006-01-16  DJ Delorie  <dj@redhat.com>
3773
3774         * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
3775         mems.
3776
3777 2006-01-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3778
3779         * pa.md: Disparage copies between general and floating-point registers
3780         in 32-bit move patterns.
3781
3782 2006-01-16  H.J. Lu  <hongjiu.lu@intel.com>
3783
3784         PR testsuite/25741
3785         * Makefile.in (check-%): Depend on site.exp instead of
3786         $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
3787         directories.
3788
3789 2006-01-16  Kazu Hirata  <kazu@codesourcery.com>
3790
3791         * global.c (global_alloc): Make it static.
3792         * rtl.h: Remove the prototype for global_alloc.
3793
3794 2006-01-16  Richard Guenther  <rguenther@suse.de>
3795
3796         * tree-ssa-alias.c (struct used_part): Add write_only field.
3797         (get_or_create_used_part_for): Initialize it to true.
3798         (create_overlap_variables_for): Don't create structure variables
3799         for structures that only are written to.
3800         (find_used_portions): Handle MODIFY_EXPR to track whether a
3801         structure is only written to.
3802
3803 2006-01-16  Kazu Hirata  <kazu@codesourcery.com>
3804
3805         * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
3806         static.
3807         * basic-block.h: Remove the prototype for
3808         partition_hot_cold_basic_blocks.
3809
3810 2006-01-16  Rafael Ãvila de EspÃ�­ndola <rafael.espindola@gmail.com>
3811
3812         * cppspec.c (lang_specific_spec_functions): Remove.
3813         * gcc.c (lookup_spec_function): Use static_spec_functions directly.
3814         * gcc.h (lang_specific_spec_functions): Remove.
3815         * gccspec.c (lang_specific_spec_functions): Remove.
3816
3817 2006-01-16  Paolo Bonzini  <bonzini@gnu.org>
3818
3819         * combine.c (record_value_for_reg): Invalidate registers
3820         if INSN is null.
3821         (record_dead_and_set_regs_1): Likewise, by passing them to
3822         record_value_for_reg.
3823         (record_dead_and_set_regs): Invalidate stores made by a
3824         call.  We do not combine across a call, but we still
3825         relied on equivalences.
3826
3827 2006-01-16  Eric Botcazou  <ebotcazou@adacore.com>
3828
3829         * tree-vrp.c (extract_range_from_binary_expr): Cope with
3830         vrp_int_const_binop returning non-constant nodes.
3831
3832 2006-01-16  Paul Brook  <paul@codesourcery.com>
3833
3834         * config/m68k/m68k.c (output_move_const_into_data_reg):
3835         Output correct mnemonic for mvz and mvs.
3836
3837 2006-01-16  Gabor Loki  <loki@gcc.gnu.org>
3838
3839         * rtl-factoring.c: Add sequence abstraction algorithm.
3840         * cfgcleanup.c (outgoing_edges_match): Extra checks.
3841         (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
3842         ABNORMAL edges.
3843         (block_has_preserve_label): New function.
3844         * common.opt: Register new pass.
3845         * Makefile.in: Ditto.
3846         * passes.c: Ditto.
3847         * timevar.def: Ditto.
3848         * tree-pass.h: Ditto.
3849         * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
3850         * rtl.h (make_jump_insn_raw): Add forward decl.
3851         * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
3852
3853 2006-01-16  Eric Botcazou  <ebotcazou@adacore.com>
3854             Roger Sayle  <roger@eyesopen.com>
3855
3856         * fold-const.c (fold_minmax): New static function.
3857         (fold_binary) <MIN_EXPR>: Call it.
3858         <MAX_EXPR>: Likewise.
3859         * stor-layout.c (place_field): Use DECL_SIZE consistently
3860         in the computation of the new record size.
3861
3862 2006-01-16  Kazu Hirata  <kazu@codesourcery.com>
3863
3864         * cse.c (cse_condition_code_reg): Make it static.
3865         * rtl.h: Remove the prototype for cse_condition_code_reg.
3866
3867         * combine.c (combine_instructions): Make it static.
3868         * rtl.h: Remove the prototype for combine_instructions.
3869
3870 2006-01-15  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3871
3872         PR target/25168
3873         * tree.c (get_file_function_name_long): Concatenate the first global
3874         object name with a string derived from the input filename of the object
3875         for type "F".
3876
3877 2006-01-16  Ben Elliston  <bje@au.ibm.com>
3878
3879         * config/i386/winnt-stubs.c: Update FSF address.
3880         * config/xtensa/ieee754-df.S: Ditto.
3881         * config/xtensa/ieee754-sf.S: Ditto.
3882
3883 2006-01-14  Ian Lance Taylor  <ian@airs.com>
3884
3885         * ifcvt.c (noce_init_if_info): New static function, broken out of
3886         noce_process_if_block.
3887         (noce_process_if_block): Call noce_init_if_info.
3888         (check_cond_move_block): New static function.
3889         (cond_move_process_if_block): New static function.
3890         (process_if_block): Call cond_move_process_if_block.
3891
3892 2006-01-15  Kazu Hirata  <kazu@codesourcery.com>
3893
3894         * cselib.c (hash_table): Rename to cselib_hash_table.
3895         (cselib_clear_table, discard_useless_values,
3896         remove_useless_values, cselib_lookup_mem, cselib_lookup,
3897         cselib_init, cselib_finish): Adjust uses of hash_table.
3898
3899 2006-01-14  Kazu Hirata  <kazu@codesourcery.com>
3900
3901         PR tree-optimization/25485
3902         * tree-vrp.c (extract_range_from_binary_expr): Handle cases
3903         where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
3904         is known to be false and true, respectively.
3905
3906 2006-01-14  Richard Guenther  <rguenther@suse.de>
3907
3908         PR tree-optimization/22548
3909         PR tree-optimization/22555
3910         PR tree-optimization/22501
3911         * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
3912         * params.def (salias-max-array-elements): New parameter.
3913         * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
3914         * doc/invoke.texi (salias-max-array-elements): Document.
3915         * tree-flow-inline.h (var_can_have_subvars): We also handle
3916         arrays now.
3917         * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
3918         COMPONENT_REF.
3919         * tree-ssa-structalias.c (params.h): Include.
3920         (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
3921         (find_func_aliases): Handle multiple constraints from ARRAY_REF.
3922         (get_constraint_for): For ADDR_EXPR operating on something
3923         containing an ARRAY_REF, add all subvars to the solution.
3924         (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
3925         * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
3926         for creating MUST_DEFs.
3927         (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
3928
3929 2006-01-14  Zdenek Dvorak <dvorakz@suse.cz>
3930
3931         * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
3932         functions.
3933         (number_of_iterations_ne, number_of_iterations_lt_to_ne,
3934         assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
3935         number_of_iterations_le): New functions.
3936         (number_of_iterations_special): Removed.
3937         (number_of_iterations_exit): Do not use number_of_iterations_special.
3938         * tree.c (unsigned_type_for): Always return integer type.
3939
3940 2006-01-14  Steven Bosscher  <stevenb.gcc@gmail.com>
3941         Richard Guenther  <rguenther@suse.de>
3942
3943         PR rtl-optimization/24257
3944         * gcse.c (find_moveable_store): Only consider a store movable
3945         when the SET_SRC of the insn can be assigned to a register.
3946
3947 2006-01-14  Ian Lance Taylor  <ian@airs.com>
3948
3949         * tree.c (tree_not_class_check_failed): New function.
3950         * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
3951         (tree_not_class_check_failed): Declare.
3952
3953 2006-01-13  Ian Lance Taylor  <ian@airs.com>
3954
3955         * reload1.c (do_output_reload): Add assertion rejecting a
3956         CALL_INSN.
3957
3958 2006-01-13  Adam Nemet  <anemet@caviumnetworks.com>
3959
3960         * combine.c (struct reg_stat): Add new fields truncation_label and
3961         truncated_to_mode.
3962         (record_value_for_reg): Reset truncated_to_mode.
3963         (record_truncated_value): New function.
3964         (check_promoted_subreg): Call it.  Rename to check_conversions.
3965         (combine_instructions): Rename check_promoted_subreg to
3966         check_conversions.
3967         (reg_truncated_to_mode): New function.
3968         (make_extraction): Use it.  Check TRULY_NOOP_TRUNCATION.
3969         (gen_lowpart_or_truncate): New function.
3970         (force_to_mode): Use it instead of gen_lowpart.
3971
3972 2006-01-13  Diego Novillo  <dnovillo@redhat.com>
3973
3974         * tree-ssa-alias.c (add_type_alias): Fix typo.  Test whether
3975         VAR is a tag, not its type tag.
3976
3977 2006-01-13  Alexandre Oliva  <aoliva@redhat.com>
3978
3979         * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
3980         alternatives to match style of other entries.
3981         (*vec_extractv2di_1_sse): Likewise.  Fix mode attr.
3982
3983 2006-01-13  Daniel Berlin  <dberlin@dberlin.org>
3984
3985         PR tree-optimization/25771
3986         * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
3987         SSA_NAMES.
3988
3989 2006-01-13  Andrew Pinski  <pinskia@physics.uc.edu>
3990
3991         PR tree-opt/24365
3992         * tree-inline.c (declare_return_variable): If the return variable
3993         was marked as a non gimple complex, set the return slot variable
3994         to be a non gimple comple variable.
3995
3996 2006-01-13  Richard Guenther  <rguenther@suse.de>
3997
3998         * builtins.c (expand_builtin_sincos): New function.
3999         (expand_builtin_mathfn_3): Remove dead code, sin and cos
4000         do not set errno.
4001         (expand_builtin): Expand sincos using expand_builtin_sincos.
4002
4003 2006-01-12  DJ Delorie  <dj@redhat.com>
4004
4005         * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
4006         shift counts, separate SI shifts for m32c vs m16c, pass shift type
4007         so that constant shifts can be split.
4008         * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
4009         (m32c_valid_pointer_mode): Make static.
4010         (shift_gen_func_for): New.
4011         (m32c_prepare_shift): Use it.  Split large const shifts into
4012         multiple shifts.
4013         * config/m32c/predicates.md (shiftcount_operand): Allow more
4014         general operands.
4015         (longshiftcount_operand): New.
4016         * doc/md.texi (Machine Constraints): Document In6.
4017
4018 2006-01-13  Ben Elliston  <bje@au.ibm.com>
4019
4020         * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
4021         REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
4022         documentation.
4023
4024 2006-01-12  Daniel Berlin  <dberlin@dberlin.org>
4025
4026         * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
4027         to try to avoid clobbering pieces of structures when we know
4028         something about the whole structure.
4029         * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
4030
4031 2006-01-13  Ben Elliston  <bje@au.ibm.com>
4032
4033         * doc/rtl.texi (Insns): Remove statement that libcalls cannot
4034         return in memory, as this is no limitation is no longer present.
4035
4036 2006-01-12  DJ Delorie  <dj@redhat.com>
4037
4038         * config/m32c/addsub.md (addhi3): Add two more alternatives, for
4039         mova with fb, and for fb+0 -> An.
4040
4041         * config/m32c/mov.md (peephole2): Fix enabling logic.
4042
4043         * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
4044         DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
4045         DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
4046         FINI_ARRAY_SECTION_ASM_OP): Define.
4047
4048         * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
4049         variable.
4050         (m32c_legitimize_reload_address): New logic to reload FB to An.
4051         (m32c_output_reg_push): Add newline.
4052         (m32c_output_reg_pop): Likewise.
4053
4054 2006-01-12  Ulrich Weigand  <uweigand@de.ibm.com>
4055
4056         * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
4057
4058 2006-01-11  Andrew Pinski  <pinskia@physics.uc.edu>
4059
4060         * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
4061
4062 2006-01-11  Kazu Hirata  <kazu@codesourcery.com>
4063
4064         * config/sh/predicates.md (sh_rep_vec): Add parallel to
4065         match_code.
4066
4067 2006-01-11  Ben Elliston  <bje@au.ibm.com>
4068
4069         * rtlanal.c (find_reg_note): Assert insn is not null.
4070
4071 2006-01-11  Kenneth Zadeck <zadeck@naturalbridge.com>
4072
4073         * df-scan.c (df_hard_reg_init): Move declaration of i outside
4074         ifdef.
4075
4076 2006-01-11  Jeff Law  <law@redhat.com>
4077
4078         * tree-ssa-threadupdate.c (threaded_edges): New VEC to
4079         hold edge pairs.
4080         (mark_threaded_blocks, register_jump_thread): New functions.
4081         (thread_through_all_blocks): Remove unwanted argument.  No
4082         longer rely on e->aux to communicate thread target info.
4083         Call mark_threaded_blocks.  Release the threaded_blocks
4084         bitmap and threaded_edges vector when complete.
4085         * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
4086         (threaded_blocks): Remove.
4087         (tree_ssa_dominator_optimize): Remove initialization and
4088         finalization of threaded_blocks.  Simplify call to
4089         thread_through_all_blocks.
4090         (thread_across_edge): Call register_jump_thread rather than
4091         storing thread information into e->aux.
4092         (free_all_edge_infos): Simplify now that e->aux is no longer
4093         used to communicate with thread_through_all_blocks.
4094         * tree-flow.h (thread_through_all_blocks): Update prototype.
4095         (register_jump_thread): Prototype.
4096
4097 2006-01-11  Kazu Hirata  <kazu@codesourcery.com>
4098
4099         * df-core.c (df_compact_blocks, df_bb_replace): Use
4100         SET_BASIC_BLOCK instead of BASIC_BLOCK.
4101
4102 2006-01-11  Richard Guenther  <rguenther@suse.de>
4103
4104         PR tree-optimization/25734
4105         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
4106         stop propagation after successful propagation to the LHS.
4107
4108 2006-01-11  Kazu Hirata  <kazu@codesourcery.com>
4109
4110         * basic-block.h (control_flow_graph): Change the type of
4111         x_basic_block_info to VEC(basic_block,gc) *.
4112         (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
4113         basic_block_info.
4114         (SET_BASIC_BLOCK): New.
4115         * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
4116         instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
4117         * cfgbuild.c (find_basic_blocks): Likewise.
4118         * cfglayout.c (fixup_reorder_chain): Likewise.
4119         * cfgrtl.c (create_basic_block_structure,
4120         rtl_create_basic_block): Likewise.
4121         * ifcvt.c (find_if_case_1): Likewise.
4122         * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
4123         Likewise.
4124
4125 2006-01-11  Kenneth Zadeck <zadeck@naturalbridge.com>
4126
4127         * Makefile.in: Removed rotted odf.c entry.
4128
4129 2006-01-11  Hans-Peter Nilsson  <hp@axis.com>
4130
4131         PR target/25706
4132         * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
4133         ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
4134         ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
4135         output pattern modifier, not %e.
4136         * config/cris/cris.c (cris_op_str): Update comment about pattern
4137         modifier.
4138         (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
4139         before falling through into...
4140         <case 'E'>: Redefined from old 'e' case.
4141
4142 2006-01-11  Jan Hubicka  <jh@suse.cz>
4143
4144         PR target/25042
4145         * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
4146
4147 2006-01-11  Jan Hubicka  <jh@suse.cz>
4148
4149         * i386.h (TARGET_DECOMPOSE_LEA): Kill.
4150         * i386.c (x86_decompose_lea): Kill.
4151         (ix86_rtx_costs): Kill.
4152
4153 2006-01-11  Jan Hubicka  <jh@suse.cz>
4154
4155         * cgraph.c (cgraph_insert_node_to_hashtable): New function.
4156         * cgraph.h (cgraph_node): Add inline_decl.
4157         (cgraph_insert_node_to_hashtable): Declare.
4158         (save_inline_function_body): Declare.
4159         * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
4160         clones.
4161         (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
4162         (cgraph_function_versioning): Update call of tree_function_versioning.
4163         (save_inline_function_body): New function.
4164         * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
4165         saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
4166         * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
4167         (cgraph_default_inline_p): Likewise.
4168         (cgraph_decide_inlining_incrementally): Likewise.
4169         * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
4170         (copy_bb): Kill saving; do updating of clones.
4171         (copy_cfg_body): Kill saving.
4172         (initialize_inlined-parameters): Likewise.
4173         (expand_call_inline): Likewise.
4174         (save_body): Kill.
4175         (tree_function_versioning): New parameter "update_clones".
4176         (inlining_p): Kill saving.
4177         * tree-inline.h (tree_function_versioning): Update prototype.
4178         * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
4179         saving.
4180
4181 2006-01-11  Ian Lance Taylor <ian@airs.com>
4182
4183         * combine.c (struct undo): Remove is_int.  Enumify types of undos.
4184         Allow undoing set of machine mode.
4185         (do_SUBST): Use enums instead of is_int.
4186         (do_SUBST_MODE): New function.
4187         (SUBST_MODE): New macro.
4188         (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
4189         reg and trying to replace reg_regno_rtx with a new register.
4190         (undo_all): Use new enums, handle undoing a PUT_MODE change.
4191         (simplify_set): Use SUBST_MODE.
4192         (distribute_notes): Remove code that tried to update reg notes
4193         for regno_reg_rtx changes.
4194
4195 2006-01-11  Paolo Bonzini  <bonzini@gnu.org>
4196
4197         PR tree-optimization/23109
4198         PR tree-optimization/23948
4199         PR tree-optimization/24123
4200
4201         * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
4202         * tree-cfg.c (single_noncomplex_succ): New.
4203         * tree-flow.h (single_noncomplex_succ): Declare it.
4204         * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
4205         * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
4206         (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
4207         insert_bb, register_division_in, insert_reciprocals,
4208         replace_reciprocal, free_bb): New.
4209         (execute_cse_reciprocals_1): Rewritten.
4210         (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
4211         Do not commit any edge insertion.  Always compute dominators and
4212         create the allocation pool.
4213         * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
4214         * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
4215         * targhooks.c (default_min_divistions_for_recip_mul): New.
4216         * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
4217         * passes.c (init_optimization_passes): Run recip after tree loop
4218         optimizations.
4219         * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
4220
4221 2006-01-11  Danny Berlin <dberlin@dberlin.org>
4222             Kenneth Zadeck <zadeck@naturalbridge.com>
4223
4224         * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
4225         DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
4226         DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
4227         DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
4228         DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
4229         DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
4230         DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
4231         DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
4232         DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
4233         DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
4234         DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
4235         DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
4236         DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
4237         DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
4238         DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
4239         DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
4240         DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
4241         DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
4242         DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
4243         DF_SCAN_POST_ALLOC): New macros.
4244         (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
4245         df_free_bb_function, df_local_compute_function, df_init_function,
4246         df_dataflow_function, df_confluence_function_0,
4247         df_confluence_function_n, df_transfer_function,
4248         df_finalizer_function, df_free_function, df_dump_problem_function,
4249         df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
4250         df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
4251         df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
4252         df_urec_bb_info, ) New types.
4253         (df_invalidated_by_call, df_all_hard_regs, df_state) New public
4254         variables.
4255         (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
4256         df_analyze_simple_change_some_blocks,
4257         df_analyze_simple_change_one_block, df_compact_blocks,
4258         df_bb_replace, df_bb_regno_last_use_find,
4259         df_bb_regno_first_def_find, df_bb_regno_last_def_find,
4260         df_insn_regno_def_p, df_find_def, df_find_use,
4261         df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
4262         df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
4263         df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
4264         debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
4265         debug_df_chain, df_get_dependent_problem, df_chain_create,
4266         df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
4267         df_grow_bb_info, df_chain_dump, df_print_bb_index,
4268         df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
4269         df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
4270         df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
4271         df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
4272         df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
4273         df_rescan_blocks, df_ref_create, df_get_artificial_defs,
4274         df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
4275         df_ref_remove, df_insn_refs_delete, df_refs_delete,
4276         df_reorganize_refs, df_set_state, df_hard_reg_init,
4277         df_read_modify_subreg_p) New public functions.
4278         * df-core.c: The core dataflow solver and glue routines for rtl
4279         dataflow.
4280         (df_init, df_add_problem, df_set_blocks, df_finish,
4281         df_hybrid_search_forward, df_hybrid_search_backward,
4282         df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
4283         df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
4284         df_bb_regno_last_use_find, df_bb_regno_first_def_find,
4285         df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
4286         df_reg_defined, df_find_use, df_reg_used, df_dump,
4287         df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
4288         df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
4289         debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
4290         debug_df_useno, reset_df_after_reload): New functions.
4291         * df-scan.c: The scanning fuctions, once in df.c, completely
4292         rewritten so that they now fully model the functionality of
4293         register usage at the backend.
4294         (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
4295         df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
4296         df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
4297         df_grow_insn_info, df_rescan_blocks, df_ref_create,
4298         df_get_artificial_defs, df_get_artificial_uses,
4299         df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
4300         df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
4301         df_refs_delete, df_reorganize_refs, df_set_state,
4302         df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
4303         df_def_record_1, df_defs_record, df_uses_record,
4304         df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
4305         df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
4306         df_record_exit_block_uses, df_hard_reg_init): New functions.
4307
4308         * df-problems.c: Seven concrete dataflow problems that use the
4309         scanning in df-scan.c and are solved by the engine in df-core.c.
4310         (df_get_dependent_problem, df_chain_create, df_chain_unlink,
4311         df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
4312         df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
4313         df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
4314         df_ru_free_bb_info, df_ru_alloc,
4315         df_ru_bb_local_compute_process_def,
4316         df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
4317         df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
4318         df_ru_transfer_function, df_ru_free, df_ru_dump,
4319         df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
4320         df_rd_free_bb_info, df_rd_alloc,
4321         df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
4322         df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
4323         df_rd_transfer_function, df_rd_free, df_rd_dump,
4324         df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
4325         df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
4326         df_lr_local_compute, df_lr_init, df_lr_confluence_0,
4327         df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
4328         df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
4329         df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
4330         df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
4331         df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
4332         df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
4333         df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
4334         df_urec_mark_reg_change, df_urec_check_earlyclobber,
4335         df_urec_mark_reg_use_for_earlyclobber,
4336         df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
4337         df_urec_local_compute, df_urec_init, df_urec_local_finalize,
4338         df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
4339         df_urec_dump, df_urec_add_problem, df_chain_alloc,
4340         df_chain_create_bb_process_use, df_chain_create_bb,
4341         df_chain_finalize, df_chain_free, df_chains_dump,
4342         df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
4343         df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
4344         df_reg_lifetime): New functions.
4345         * df.c: Deleted file.
4346         * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
4347         consistent with new df api.
4348         * modulo-sched.c (sms_schedule, rest_of_handle_sms,
4349         rest_of_handle_sms): Ditto.
4350         * web.c (unionfind_union, union_defs, entry_register, web_main):
4351         Ditto.
4352         * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
4353         invariant_expr_equal_p, find_defs, check_dependencies,
4354         find_invariant_insn, find_invariants_to_move, move_invariant_reg,
4355         free_inv_motion_data, move_loop_invariants): Ditto.
4356         * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
4357         Update dependencies.
4358         (odf.c): Added defective entry that was deleted later in day.
4359         * sched-deps.c (sched_analyze_1): Ditto.
4360
4361 2006-01-11  Zdenek Dvorak <dvorakz@suse.cz>
4362
4363         * tree-ssa-operands.c (get_expr_operands): Record addressable
4364         variables directly.  Do not call add_stmt_operands for CONST_DECLs
4365         and ARRAY_DECLs.
4366         (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
4367         (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
4368
4369 2006-01-11  Ben Elliston  <bje@au.ibm.com>
4370
4371         * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
4372         function returns true in the positive case.
4373
4374 2006-01-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4375
4376         PR target/20754
4377         * config/pa/pa.md: Create separate 32 and 64-bit move patterns
4378         for SI, DI, SF and DF modes.  Add alternatives to copy between
4379         general and floating point registers to the 32-bit patterns.
4380         * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
4381         * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
4382         (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
4383         generating 64-bit code.
4384         * config/pa/pa.c (output_move_double): Handle copies between general
4385         and floating registers.
4386
4387 2006-01-10  Stuart Hastings  <stuart@apple.com>
4388
4389         * config/i386/i386.md (set_got): Update.
4390         (set_got_labelled): New.  (UNSPEC_LD_MPIC): New.
4391         (builtin_setjmp_receiver): Mach-O support.
4392         * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
4393         (GOT_SYMBOL_NAME): Define.
4394         (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
4395         (TARGET_DEEP_BRANCH_PREDICTION): Remove.
4396         * config/i386/i386.c (override_options): Revise for Darwin.
4397         (USE_HIDDEN_LINKONCE): Enable for Mach-O.  (ix86_file_end): Mach-O
4398         support.  (darwin_x86_file_end): New.  (output_set_got): Add label
4399         parameter, revise for Mach-O.  (x86_output_mi_thunk): Likewise.
4400         * config/i386/i386-protos.h (output_set_got): Likewise.
4401         * config/darwin.c (machopic_legitimize_pic_address): Update
4402         regs_ever_live[].
4403
4404 2006-01-10  Kaz Kojima  <kkojima@gcc.gnu.org>
4405
4406         * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
4407         when MODE isn't BLKmode.
4408
4409 2006-01-10  Eric Botcazou  <ebotcazou@libertysurf.fr>
4410
4411         PR rtl-optimization/25367
4412         * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
4413
4414 2006-01-10  Hans-Peter Nilsson  <hp@axis.com>
4415
4416         PR target/25718
4417         * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
4418         for a negative bound.
4419
4420 2006-01-10  Richard Guenther  <rguenther@suse.de>
4421
4422         * tree-ssa-structalias.c (get_constraint_for_component_ref):
4423         Never override with anything constraint.
4424
4425 2006-01-10  Jan Beulich  <jbeulich@novell.com>
4426
4427         * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
4428         256 bits when optimize_size.
4429
4430 2006-01-10  Jan Beulich  <jbeulich@novell.com>
4431
4432         * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
4433         MASK_ALIGN_DOUBLE.
4434         * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
4435         * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
4436         arguments.
4437
4438 2006-01-10  Ben Elliston  <bje@au.ibm.com>
4439
4440         * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
4441         float modes.
4442         * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
4443         (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
4444         (USE_FP_FOR_ARG): Reject decimal float modes.
4445         (function_arg_advance): Likewise.
4446         (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
4447         (rs6000_handle_altivec_attribute): Do not permit decimal floating
4448         point types in AltiVec vectors.
4449         (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
4450         (rs6000_libcall_value): Likewise.
4451
4452 2006-01-09  Bob Wilson  <bob.wilson@acm.org>
4453
4454         * config/xtensa/ieee754-df.S: New file.
4455         * config/xtensa/ieee754-sf.S: New file.
4456         * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
4457         (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
4458         * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
4459
4460 2006-01-09  Kazu Hirata  <kazu@codesourcery.com>
4461
4462         * config/sh/predicates.md (binary_float_operator,
4463         binary_logical_operator, commutative_float_operator,
4464         equality_comparison_operator, greater_comparison_operator,
4465         less_comparison_operator, logical_operator,
4466         noncommutative_float_operator, shift_operator,
4467         symbol_ref_operand, unary_float_operator): Remove redundant
4468         conditionals.
4469
4470 2006-01-09  Jeff Law  <law@redhat.com>
4471
4472         * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
4473         code to propagate the RHS of a cast into COND_EXPR_COND.  Remove
4474         now unused arguments.  Callers updated.
4475         (eliminate_redundant_computations): Remove now unused arguments,
4476         callers updated.
4477         (local_fold): Remove, no longer used.
4478         (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
4479         and moved to...
4480         * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
4481         (simplify_cond): New function.
4482         (forward_propagate_into_cond): Call simplify_cond.
4483
4484 2006-01-09  Alexandre Oliva  <aoliva@redhat.com>
4485
4486         * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
4487         (*vec_extractv2di_1_sse): New.
4488
4489 2006-01-09  Ben Elliston  <bje@au.ibm.com>
4490
4491         * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
4492
4493 2006-01-08  Richard Guenther  <rguenther@suse.de>
4494
4495         * tree-ssa-structalias.c (get_constraint_for): Remove
4496         anyoffset argument.
4497         (get_constraint_for_component_ref): Likewise.
4498         (do_deref): Likewise.
4499         (get_constraint_for): Likewise.
4500         (do_structure_copy): Likewise.
4501         (handle_ptr_arith): Likewise.
4502         (find_func_aliases): Likewise.  Remove unused need_anyoffset
4503         variable.
4504
4505 2006-01-08  J"orn Rennecke  <joern.rennecke@st.com>
4506             Kaz Kojima  <kkojima@gcc.gnu.org>
4507
4508         * config/sh/sh.h (CONST_OK_FOR_K16): Define.
4509         (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
4510         (EXTRA_CONSTRAINT_C16): Remove.
4511         (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
4512         (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
4513         EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
4514         * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
4515         constants of SHmedia.  Handle nested constant expressions of
4516         SHmedia correctly.
4517         (andcosts): Fix the costs for SHmedia constants.
4518         (sh_rtx_costs): Take account of outer_code for SHmedia constants.
4519         * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
4520         (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
4521         (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
4522         (movv4hi_i, movv2si_i): Likewise.
4523         (movsi_const): Adjust the second operand of ior so to match with
4524         the Csu constraint.
4525         (movdi_const, movdi_const_32bit): Likewise.
4526         (movdi_const_16bit+1): Don't sign-extend LOW.
4527         (movdi_const_16bit+2): Likewise.  Remove the zero_extend and truncate
4528         step.
4529         (*double_shori): Fix the split condition.  Use GEN_INT instead
4530         of get_int_mode calls.  Mask lower 16-bit of the argument of
4531         the last GEN_INT.
4532         (sym2GOTPLT): Remove.
4533         (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
4534         gen_rtx_UNSPEC.
4535         * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
4536         instead of EXTRA_CONSTRAINT_C16.
4537
4538 2006-01-07  Ian Lance Taylor  <ian@airs.com>
4539             David Edelsohn  <edelsohn@gnu.org>
4540
4541         PR rtl-optimization/25662
4542         * optabs.c (simplify_expand_binop): Use simplify_binary_operation
4543         for constant operands instead of simplify_gen_binary.
4544         * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
4545         after trying simplify_binary_operation
4546
4547 2006-01-06  Daniel Berlin  <dberlin@dberlin.org>
4548
4549         * tree.c (iterative_hash_expr): Hash decls based on UID.
4550
4551 2006-01-06  Eric Christopher  <echristo@apple.com>
4552
4553         * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
4554         (TARGET_UNWIND_EMIT): Fix spelling.
4555         * target.h (gcc_target): Add except_table_label.
4556         * except.c (output_function_exception_table): Use.
4557         * varasm.c (default_emit_except_table_label): New.
4558         * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
4559         define.
4560         (asm_out): Add here.
4561         * output.h (default_emit_except_table_label): Prototype.
4562         * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
4563         * config/darwin.c (darwin_emit_except_table_label): Define.
4564         * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
4565
4566 2006-01-06  Zdenek Dvorak <dvorakz@suse.cz>
4567
4568         PR tree-optimization/18527
4569         * tree-ssa-loop-niter.c (number_of_iterations_cond,
4570         number_of_iterations_special, number_of_iterations_exit):
4571         Move base and step of an iv to a single structure.  Add
4572         no_overflow flag, and use it in # of iterations analysis.
4573         * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
4574         folded_casts argument.
4575         (simple_iv): Pass base and step in a structure.  Set no_overflow
4576         flag.
4577         (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
4578         Evaluate expensiveness of computing # of iterations instead of
4579         the final expression.
4580         * tree-scalar-evolution.h (affine_iv): New structure.
4581         (simple_iv): Declaration changed.
4582         * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
4583         * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
4584         find_givs_in_stmt): Changed due to simple_iv change.
4585
4586 2006-01-06  Jeff Law  <law@redhat.com>
4587
4588         PR ada/24994
4589         * tree-cfg.c (bsi_replace): Rename final argument from
4590         PRESERVE_EH_INFO to UPDATE_EH_INFO.  Fix typo in last
4591         change (stmt -> orig_stmt).
4592         * tree-eh.c (verify_eh_throw_stmt_node): New function.
4593         (bsi_remove): Add new argument.  Remove EH information
4594         if requested.
4595         (verify_eh_throw_table_statements): New function.
4596         (bsi_remove): Add new argument REMOVE_EH_INFO.  All callers
4597         updated.
4598         * tree-optimize.c (execute_free_cfg_annotations): Verify
4599         the EH throw statement table after removing annotations.
4600         * except.h (verify_eh_throw_table_statements): Prototype.
4601         * tree-flow.h (bsi_remove): Update prototype.
4602         * tree-vrp.c (remove_range_assertions): Add new argument to
4603         bsi_remove call.
4604         * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
4605         * tree-complex.c (expand_complex_div_wide): Likewise.
4606         * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
4607         * tree-tailcall.c (eliminate_tailcall): Likewise.
4608         * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
4609         * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
4610         * tree-nrv.c (tree_nrv): Likewise.
4611         * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
4612         * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
4613         (combine_blocks): Likewise.
4614         * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
4615         * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
4616         (cleanup_control_flow): Likewise.
4617         (remove_forwarder_block): Likewise.
4618         * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
4619         * tree-sra.c (sra_replace): Likewise.
4620         * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
4621         (forward_propagate_single_use_vars): Likewise.
4622         * tree-ssa-dce.c (remove_dead_stmt): Likewise.
4623         * tree-inline.c (expand_call_inline): Likewise.
4624         * tree-vect-transform.c (vect_transform_loop): Likewise.
4625         * tree-outof-ssa.c (rewrite_trees): Likewise.
4626         * tree-cfg.c (make_goto_expr_edges): Likewise.
4627         (cleanup_dead_labels): Likewise.
4628         (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
4629         (bsi_move_before, bsi_move_after): Likewise.
4630         (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
4631         (tree_redirect_edge_and_branch, tree_split_block): Likewise.
4632
4633 2006-01-06  Andrew Pinski  <pinskia@physics.uc.edu>
4634
4635         PR tree-opt/25528
4636         * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
4637         and IMAGPART_EXPR.
4638         * tree-flow-inline.h (var_can_have_subvars): Handle complex types
4639         on non gimple variables.  Also add checks at the top for decls and
4640         mtags.
4641         * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
4642         complex types.
4643         * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
4644         and IMAGPART_EXPR for creating MUST_DEFs.
4645         (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
4646         and NAME_MEMORY_TAG separately from the DECLs.
4647
4648 2006-01-06  Richard Guenther  <rguenther@suse.de>
4649
4650         * tree-dfa.c (mark_new_vars_to_rename): Create stmt
4651         annotation, if necessary.
4652         * tree-ssa-pre.c (create_expression_by_pieces): Remove
4653         redundant calls to update_stmt.
4654         * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
4655         Likewise.
4656
4657 2006-01-05  Richard Henderson  <rth@redhat.com>
4658
4659         * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
4660
4661 2006-01-05  Carlos O'Donell  <carlos@codesourcery.com>
4662
4663         * c-typeck.c: Update copyright date.
4664
4665 2006-01-05  Carlos O'Donell  <carlos@codesourcery.com>
4666
4667         * c-typeck.c (build_c_cast): Always warn when casting
4668         from a pointer to an integer of different size, even if
4669         the node was constant.
4670
4671 2006-01-05  Richard Guenther  <rguenther@suse.de>
4672
4673         PR tree-optimization/22555
4674         * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
4675         if one structure field is an array.
4676         * tree-ssa-operands.c (get_expr_operands): Continue scanning
4677         operands even if we found a subvar, but ignore VOPs in this
4678         case.
4679         * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
4680         for renaming.
4681         * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
4682
4683 2006-01-05  Richard Earnshaw  <rearnsha@arm.com>
4684
4685         PR middle-end/24998
4686         * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
4687
4688 2006-01-05  Richard Guenther  <rguenther@suse.de>
4689             Diego Novillo  <dnovillo@redhat.com>
4690
4691         * tree-pass.h (TODO_remove_unused_locals): Define.
4692         * gimple-low.c (expand_var_p, remove_useless_vars,
4693         pass_remove_useless_vars): Remove.  Update all users.
4694         * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
4695         (remove_unused_locals): New function.
4696         * tree-flow.h (remove_unused_locals): Declare.
4697         * passes.c (execute_todo): Call remove_unused_locals if
4698         TODO_remove_unused_locals is set.
4699         * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
4700         * tree-ssa-dce.c (pass_dce): Likewise.
4701         * tree-outof-ssa.c (pass_del_ssa): Likewise.
4702
4703 2006-01-05  Richard Guenther  <rguenther@suse.de>
4704
4705         * tree-flow.h (struct fieldoff): Decompose field to
4706         type, size and decl.
4707         * tree-ssa-alias.c (create_sft): Take type as parameter.
4708         (create_overlap_variables_for): Store type, size and decl
4709         in the fieldoff structure.
4710         * tree-ssa-structalias.c (fieldoff_compare): Adjust users
4711         of struct fieldoff.
4712         (push_fields_onto_fieldstack): Likewise.
4713         (create_variable_info_for): Likewise.  Use offset for the
4714         SFT name if the decl is not available.
4715
4716 2006-01-04  Paul Brook  <paul@codesourcery.com>
4717
4718         * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
4719
4720 2006-01-04  Daniel Berlin  <dberlin@dberlin.org>
4721
4722         * lambda-code.c (can_put_in_inner_loop): Relax
4723         restrictions.
4724         (can_put_after_inner_loop): New function.
4725         (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
4726         (perfect_nestify): Change to make copies and modify uses.
4727
4728 2006-01-04  Richard Henderson  <rth@redhat.com>
4729
4730         Merge from gomp branch:
4731         * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
4732         via integer constant.
4733         (pragma_lex): Remove.
4734         * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
4735         rather than parsing it.
4736         * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
4737         handle_pragma_extern_prefix): Add %< %> quotes.
4738         (registered_pragmas): New.
4739         (c_register_pragma_1): New.
4740         (c_register_pragma): Use it.
4741         (c_register_pragma_with_expansion): Likewise.
4742         (c_invoke_pragma_handler): New.
4743         (init_pragma): Use cpp_register_deferred_pragma directly for
4744         pch_preprocess.
4745         * c-pragma.h (enum pragma_kind): New.
4746         (pragma_handler): New.
4747         (c_invoke_pragma_handler): Declare.
4748         * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
4749         CPP_PRAGMA_EOL.
4750         * c-common.h (c_common_pch_pragma): Update decl.
4751         * Makefile.in (c-parser.o): Update dependencies.
4752         (GTFILES): Add c-pragma.h.
4753         * c-parser.c (struct c_token): Add pragma_kind.
4754         (struct c_parser): Add in_pragma.
4755         (c_lex_one_token): Always initialize keyword and pragma_kind.
4756         Extract data for CPP_PRAGMA.
4757         (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
4758         (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
4759         Don't allow CPP_PRAGMA_EOL if in_pragma.
4760         (c_parser_consume_pragma): New.
4761         (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
4762         (c_parser_skip_to_end_of_parameter): Likewise.
4763         (c_parser_skip_to_end_of_block_or_statement): Likewise.
4764         (c_parser_skip_to_pragma_eol): New.
4765         (c_parser_external_declaration): Handle CPP_PRAGMA.
4766         (c_parser_compound_statement_nostart): Likewise.
4767         (c_parser_statement_after_labels): Likewise.
4768         (c_parser_pragma): New.
4769         (pragma_lex): Likewise.
4770         (c_parser_pragma_pch_preprocess): New.
4771         (c_parser_new): Merge into ...
4772         (c_parse_file): ... here.  Call c_parser_pragma_pch_preprocess.
4773
4774 2006-01-04  Jeff Law  <law@redhat.com>
4775
4776         PR ada/24994
4777         * tree-cfg.c (bsi_replace): Remove the original statement
4778         from the EH throw statement table.
4779
4780 2006-01-04  Jakub Jelinek  <jakub@redhat.com>
4781
4782         * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
4783         make the prototype extern "C" and add throw ().
4784
4785         PR target/25554
4786         * config/i386/i386.md (testqi_ext_3): Ensure len is positive
4787         and pos non-negative and pos + len <= 32.
4788         (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
4789         drop pos + len < HOST_BITS_PER_WIDE_INT test.
4790         (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
4791
4792         PR c/25559
4793         * c-common.c (handle_vector_size_attribute): Reject zero vector size
4794         as well as sizes not multiple of component size.
4795
4796         PR debug/25562
4797         * function.c (instantiate_expr): New function.
4798         (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
4799         walk its DECL_VALUE_EXPR with instantiate_expr.
4800
4801         * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
4802         DW_OP_deref{,_size} if address isn't going to be added.
4803
4804 2006-01-04  Ben Elliston  <bje@au.ibm.com>
4805
4806         * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
4807         * config/fp-bit.c: Likewise.
4808
4809 2006-01-03  Daniel Berlin  <dberlin@dberlin.org>
4810
4811         * dominance.c: Add comment about why we use DFS numbering
4812         of dominance tree.
4813
4814 2006-01-03  Jakub Jelinek  <jakub@redhat.com>
4815             Richard Henderson  <rth@redhat.com>
4816
4817         Merge from gomp-branch:
4818         * varasm.c (assemble_variable): Handle thread-local COMMON data.
4819         * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
4820
4821 2006-01-03  Paolo Bonzini  <bonzini@gnu.org>
4822
4823         PR rtl-optimization/25578
4824         * combine.c (combine_simplify_rtx, force_to_mode): Don't
4825         pass a parameter to simplify_shift_const if changing ASHIFTRT
4826         to LSHIFTRT.
4827
4828 2006-01-03  Adrian Straetling  <straetling@de.ibm.com>
4829
4830         * builtins.c (get_builtin_sync_mem): New function.
4831         (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
4832         expand_builtin_lock_test_and_set, expand_builtin_lock_release):
4833         Call get_builtin_sync_mem to generate mem rtx.
4834
4835 2006-01-03  Richard Guenther  <rguenther@suse.de>
4836
4837         PR c/25183
4838         * stmt.c (add_case_node): Make sure to clear overflow flags
4839         from ranges.
4840
4841 2006-01-03  Jakub Jelinek  <jakub@redhat.com>
4842
4843         Merge from gomp-branch.
4844         * config/sparc/sync.md: New file.
4845         * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
4846         UNSPECV_LDSTUB): New constants.
4847         * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
4848         * config/sparc/predicates.md (memory_reg_operand): New predicate.
4849         * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
4850         prototype.
4851
4852 2006-01-03  Roger Sayle  <roger@eyesopen.com>
4853
4854         * combine.c (reg_subword_p): New predicate to test whether the
4855         destination of a set refers to a subword/piece of a register.
4856         (try_combine): Generalize the code to merge the setting of a
4857         pseudo to a constant followed by a set of a subword of that
4858         register to a constant.
4859
4860 2006-01-03  Kazu Hirata  <kazu@codesourcery.com>
4861
4862         * basic-block.h (control_flow_graph): Change the type of
4863         x_label_to_block_map to VEC(basic_block,gc) *.
4864         * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
4865         set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
4866
4867         * tree-ssa-propagate.c (cfg_blocks): Change the type to
4868         VEC(basic_block,heap) *.
4869         (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
4870         ssa_prop_fini): Adjust the uses of cfg_blocks.
4871
4872 2006-01-03  Steven Bosscher  <stevenb.gcc@gmail.com>
4873
4874         * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
4875         COMPONENT_REFs.
4876         * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
4877         hashing trees instead of a pointer hash.
4878         (mem_attrs_htab_eq): Do a deep compare instead of a pointer
4879         compare for MEM_EXPR.
4880
4881         PR rtl-optimization/25130
4882         * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
4883         when comparing MEMs for GCSE
4884
4885 2006-01-03  Ben Elliston  <bje@au.ibm.com>
4886
4887         * targhooks.h (default_decimal_float_supported_p): Declare.
4888         * targhooks.c (default_decimal_float_supported_p): Define.
4889         * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
4890         `default_decimal_float_supported_p'.
4891         * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
4892
4893 2006-01-02  Adam Nemet  <anemet@caviumnetworks.com>
4894
4895         * combine.c (apply_distributive_law <SUBREG>): Check
4896         TRULY_NOOP_TRUNCATION.
4897
4898 2006-01-02  Geoffrey Keating  <geoffk@apple.com>
4899
4900         * dwarf2out.c (have_switched_text_section): Delete.
4901         (have_multiple_function_sections): New.
4902         (have_location_lists): Make 'bool'.
4903         (add_AT_loc_list): Use 'true' not '1'.
4904         (dwarf2out_switch_text_section): Set have_multiple_function_sections.
4905         (output_loc_list): Use have_multiple_function_sections.
4906         (output_ranges): Likewise.
4907         (dwarf2out_begin_function): Set have_multiple_function_sections if
4908         necessary.
4909         (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
4910         Check function_section rather than DECL_SECTION_NAME.
4911         (dwarf2out_finish): Use have_multiple_function_sections.
4912         Don't clear have_location_lists.
4913
4914 2006-01-02  Eric Botcazou  <ebotcazou@adacore.com>
4915             Jan Hubicka  <jh@suse.cz>
4916
4917         * cfglayout.c (fixup_reorder_chain): Remove kludge for the
4918         case of conditional jump jumping to the next instruction.
4919         * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
4920         cases of conditional jump jumping to the next instruction.
4921
4922 2006-01-02  Jan Hubicka  <jh@suse.cz>
4923
4924         * i386.c (*_cost): Add COSTS_N_INSNS.
4925         (ix86_rtx_costs): Do not use COSTS_N_INSNS.
4926
4927 2006-01-02  Paolo Bonzini  <bonzini@gnu.org>
4928
4929         PR target/25259
4930         * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
4931
4932 2006-01-02  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
4933
4934         * config/arm/arm.c (all_fpus): Fix comment typo.
4935         * config/darwin.c: Likewise.
4936         * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
4937         * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
4938         * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
4939
4940 2006-01-01  David Edelsohn  <edelsohn@gnu.org>
4941
4942         * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
4943         (rs6000_split_compare_and_swapqhi): New.
4944         * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
4945         (sync_compare_and_swapqhi_internal): New.
4946         * config/rs6000/rs6000-protos.h: Declare.