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