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* doc/install.texi (*-*-solaris2*): Fix marker for URL.
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2004-10-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
2
3         * doc/install.texi (*-*-solaris2*): Fix marker for URL.
4
5 2004-10-07  Giovanni Bajo  <giovannibajo@gcc.gnu.org>
6
7         PR c++/17115
8         * tree-inline.c (expand_call_inline): Do not warn for functions
9         marked with attribute noinline.
10
11 2004-10-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
12
13         PR target/17862
14         * config/sparc/sparc.c (sparc_output_mi_thunk): Set
15         current_function_uses_only_leaf_regs as well as sparc_leaf_function_p.
16
17         * config/sparc/sparc.c (sparc_gimplify_va_arg): Pass 'false' instead
18         of 0 as 4th argument to pass_by_reference.
19         Call build_va_arg_indirect_ref instead of build_fold_indirect_ref.
20
21 2004-10-06  Eric Christopher  <echristo@redhat.com>
22
23         * config/sh/sh.c (sh_dwarf_calling_convention): Fix renesas dwarf
24         attribute.
25
26 2004-10-07  Richard Sandiford  <rsandifo@redhat.com>
27
28         PR target/17770
29         * config/mips/mips.md (mov_<load>l): Remove hazard=none attribute.
30
31 2004-10-07  Zdenek Dvorak  <dvorakz@suse.cz>
32
33         PR rtl-optimization/17791
34         * loop-doloop.c (doloop_modify): Take number of iterations as
35         argument.
36         (doloop_optimize): Extend or shorten the number of iterations
37         when changing mode of counter register.
38         * loop-iv.c (lowpart_subreg): Export.
39         * rtl.h (lowpart_subreg): Declare.
40
41 2004-10-07  Zdenek Dvorak  <dvorakz@suse.cz>
42
43         PR tree-optimization/17806
44         * cfghooks.c (split_edge): Update IRREDUCIBLE_LOOP flags.
45         * cfgloopmanip.c (loop_split_edge_with): Updating of IRREDUCIBLE_LOOP
46         flags moved to split_edge.
47
48 2004-10-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
49
50         PR middle-end/17285
51         * expmed.c (expand_sdiv_pow2): Force a stack adjustment
52         before tentatively building the conditional move sequence.
53
54 2004-10-07  Richard Sandiford  <rsandifo@redhat.com>
55
56         PR target/16815
57         * function.c (assign_parm_setup_block_p): Tighten BLOCK_REG_PADDING
58         check.
59         * config/pa/pa.h (BLOCK_REG_PADDING): Define in terms of
60         function_arg_padding.
61
62 2004-10-07  Richard Sandiford  <rsandifo@redhat.com>
63
64         PR bootstrap/17857
65         * Makefile.in (stmp-fixproto): Pass FIX_HEADER=build/... to fixproto.
66
67 2004-10-07  Kazu Hirata  <kazu@cs.umass.edu>
68
69         * hooks.c (hook_int_void_1, hook_void_int): Remove.
70         * hooks.h: Remove the corresponding prototypes.
71
72 2004-10-06  Andrew Pinski  <pinskia@physics.uc.edu>
73
74         PR middle-end/17849
75         * tree-nested.c (walk_stmt_info): Add changed field.
76         (convert_nonlocal_reference): Set changed to when we
77         change a decl to unnested decl.
78         <case ADDR_EXPR>: Instead of checking if the immediate part
79         of the ADDR_EXPR changed, check the field changed.
80         Use recompute_tree_invarant_for_addr_expr instead of unsetting
81         TREE_INVARIANT.
82         (convert_local_reference):  Set changed to when we
83         change a decl to unnested decl.
84         <case ADDR_EXPR>: Instead of checking if the immediate part
85         of the ADDR_EXPR changed, check the field changed.
86         Also call recompute_tree_invarant_for_addr_expr on the ADDR_EXPR.
87
88 2004-10-06  Kazu Hirata  <kazu@cs.umass.edu>
89
90         * defaults.h (DWARF2_GENERATE_TEXT_SECTION_LABEL): Remove.
91         * dwarf2out.c (dwarf2out_init): Remove references to
92         DWARF2_GENERATE_TEXT_SECTION_LABEL.
93         * system.h: Poison DWARF2_GENERATE_TEXT_SECTION_LABEL.
94         * doc/tm.texi (DWARF2_GENERATE_TEXT_SECTION_LABEL): Remove.
95
96 2004-10-06  Joseph S. Myers  <jsm@polyomino.org.uk>
97
98         * c-typeck.c (convert_arguments): Take expression for called
99         function rather than its name.  Handle ObjC selectors directly
100         rather than relying on warn_for_assignment to do so.  Call warning
101         directly rather than warn_for_assignment.  Use %qE in diagnostics.
102         Say "argument" rather than "arg" in diagnostics.
103         (build_function_call): Update call to convert_arguments.
104
105 2004-10-06  Andrew Pinski  <pinskia@physics.uc.edu>
106
107         PR debug/17787
108         * dbxout.c (dbxout_symbol): Really handle RECORD, UNION, and
109         ENUMs specially instead of just saying we do.
110
111 2004-10-06  Eric Christopher  <echristo@redhat.com>
112
113         * dwarf2.h: Sync with include/elf/dwarf2.h
114
115 2004-10-06  Daniel Berlin  <dberlin@dberlin.org>
116
117         * tree-pretty-print.c (dump_generic_node): Fix printing of BINFO
118         and TREE_VEC nodes.
119
120 2004-10-06  Daniel Berlin  <dberlin@dberlin.org>
121
122         * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Convert
123         to use FOR_EACH_SSA_USE_OPERAND iterator, and propagate_value.
124
125 2004-10-06  Daniel Berlin  <dberlin@dberlin.org>
126
127         * lambda-code.c (compute_nest_using_fourier_motzkin): New
128         function.
129         (lambda_compute_auxillary_space): Split from here.
130
131 2004-10-06  Daniel Berlin  <dberlin@dberlin.org>
132
133         * tree-ssa-loop-ivopts.c (expr_invariant_in_loop): Make non-static.
134         * tree-flow.h: Add prototype.
135         * lambda-code.c (invariant_in_loop_and_outer_loops): Use
136         expr_invariant_in_loop.
137
138 2004-10-06  Kazu Hirata  <kazu@cs.umass.edu>
139
140         * tree-cfg.c (thread_jumps): Remove a duplicate check for
141         EXIT_BLOCK_PTR.
142
143 2004-10-06  Ulrich Weigand  <uweigand@de.ibm.com>
144
145         * config/s390/s390-protos.h (s_imm_operand): Remove.
146         (s390_pool_operand): Add prototype.
147         * config/s390/s390.c (general_s_operand): Remove.
148         (s_imm_operand): Remove.
149         (s_operand): Merge contents of general_s_operand.
150         (s390_pool_operand): New function.
151         * config/s390/s390.h (PREDICATE_CODES): Remove s_imm_operand.
152         * config/s390/s390.md ("*cmpdi_cct", "*cmpsi_cct"): New insns.
153         ("*cmpdi_ccu"): Merge Q->Q alternative.
154         ("*cmpsi_ccu", "*cmphi_ccu"): Likewise.
155         ("*cmpqi_ccu"): Merge Q->Q, n->Q, n->S alternatives.
156         ("*cli"): Remove.
157         ("*cmpdi_ccu_mem", "*cmpsi_ccu_mem"): Likewise.
158         ("*cmphi_ccu_mem", "*cmpqi_ccu_mem"): Likewise.
159         ("*movstricthi"): Use memory_operand instead of s_imm_operand.
160
161 2004-10-06  Steve Ellcey  <sje@cup.hp.com>
162
163         * config/ia64/ia64.h (FUNCTION_ARG_BOUNDARY): Change macro to
164         call ia64_function_arg_boundary.
165         * config/ia64/ia64-protos.h (ia64_function_arg_boundary): New.
166         * config/ia64/ia64.c (ia64_function_arg_boundary): New.
167         (ia64_function_arg_advance): Do not put 128 bit floats into
168         FP registers.
169
170 2004-10-06  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
171
172         * builtins.c (expand_builtin_strcpy): Delete duplicate code.
173         Accept an expression instead of an arglist.
174         (expand_builtin_stpcpy): Accept an expression instead of an
175         arglist.
176
177 2004-10-06  Eric Botcazou  <ebotcazou@libertysurf.fr>
178
179         PR target/16007
180         * doc/install.texi (*-*-solaris2*): Mention potential problem
181         with Sun assembler + GNU linker and C++ programs.
182         Document status of binutils 2.15 release.
183
184 2004-10-06  Jan Hubicka  <jh@suse.cz>
185
186         * cse.c (cse_main): Kill push/pop context.
187
188 2004-10-05  Zack Weinberg  <zack@codesourcery.com>
189
190         * pretty-print.c: Include tree.h.
191         (pp_base_prepare_to_format): New function, logic from
192         text_specifies_location.
193         (pp_base_format_text): Use gcc_assert.
194         * pretty-print.h (pp_prepare_to_format): New macro.
195         (pp_base_prepare_to_format): Prototype.
196         * diagnostic.c (text_specifies_location): Delete.
197         (bug_report_request): Delete.
198         (diagnostic_set_info): Don't call text_specifies_location.
199         (diagnostic_action_after_output): Put text from
200         bug_report_request inline here.  Use gcc_unreachable.
201         (diagnostic_report_current_function): Fix comment.
202         (diagnostic_report_diagnostic): Clarify logic for error recursion.
203         Call pp_prepare_to_format before diagnostic_starter.
204         (trim_filename): Use IS_DIR_SEPARATOR.
205         (fatal_error, internal_error): Use gcc_unreachable.
206         (error_recursion): Call diagnostic_action_after_output to
207         issue the bug_report_request message and exit.
208         * Makefile.in (diagnostic.o, pretty-print.o): Update dependencies.
209
210         * c-parse.in: Add list of diagnostic messages to insulate
211         translation template from version of yacc/bison used to
212         compile the grammar.
213
214 2004-10-06  Alan Modra  <amodra@bigpond.net.au>
215
216         PR 16406
217         * doc/tm.texi (USE_LD_AS_NEEDED, LINK_EH_SPEC): Document.
218
219 2004-10-05  Kazu Hirata  <kazu@cs.umass.edu>
220
221         * basic-block.h: Remove the prototype for
222         flow_preorder_transversal_compute.
223         * cfganal.c (dfst_node): Remove.
224         (flow_preorder_transversal_compute): Likewise.
225         * rtl.h: Remove the prototype for get_jump_table_offset.
226         * rtlanal.c (get_jump_table_offset): Remove.
227
228 2004-10-05  Richard Henderson  <rth@redhat.com>
229
230         PR 17756
231         * tree-ssa-operands.c (get_expr_operands): Handle CONST_DECL.
232
233 2004-10-05  Kelley Cook  <kcook@gcc.gnu.org>
234
235         PR bootstrap/17817
236         * Makefile.in: Stage the build directory too.
237
238 2004-10-05  Aldy Hernandez  <aldyh@redhat.com>
239
240         * config/frv/frv.h (LEGITIMIZE_ADDRESS): New.
241
242         * config/frv/frv-protos.h (frv_legitimize_address): Protoize.
243         (frv_emit_move): Same.
244
245         * config/frv/frv.c (frv_emit_move): New.
246         (frv_legitimize_address): New.
247
248         * config/frv/frv.md ("movsi"): Call frv_emit_move.
249         ("movqi"): Same.
250         ("movhi"): Same.
251         ("movdi"): Same.
252         ("movsf"): Same.
253         ("movdf"): Same.
254
255 2004-10-05  Joseph S. Myers  <jsm@polyomino.org.uk>
256
257         * c-decl.c (declspecs_add_type): Don't pedwarn for _Complex in
258         system headers.
259
260 2004-10-05  Joseph S. Myers  <jsm@polyomino.org.uk>
261
262         * c-decl.c (pushdecl): When an extern declaration at block scope
263         refers to a visible entity with internal linkage, use the old DECL
264         rather than the new one.
265
266 2004-10-05  Kazu Hirata  <kazu@cs.umass.edu>
267
268         * tree-cfg.c (cleanup_tree_cfg): Remove extra parentheses in
269         comments.
270
271 2004-10-05  Kazu Hirata  <kazu@cs.umass.edu>
272
273         * tree-cfg.c (thread_jumps): Remove a duplicate check for
274         an infinite loop.
275
276 2004-10-05  Kazu Hirata  <kazu@cs.umass.edu>
277
278         * tree-cfg.c (thread_jumps): Iterate with FOR_EACH_BB instead
279         of FOR_BB_BETWEEN.  Remove a useless check for unreachable
280         blocks.
281
282 2004-10-05  Kazu Hirata  <kazu@cs.umass.edu>
283
284         * tree-cfg.c (cleanup_tree_cfg): Don't call
285         delete_unreachable_blosk() after thread_jumps().
286         (thread_jumps): Always remove basic blocks as they become
287         unreachable.
288
289 2004-10-05  Kazu Hirata  <kazu@cs.umass.edu>
290
291         * tree-cfg.c (cleanup_tree_cfg): Remove variable
292         something_changed.  Simplify the while loop.
293
294 2004-10-05  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
295
296         * builtins.c (expand_builtin_memmove): Delete duplicate code
297         and accept a tree type for the result.
298         (expand_builtin_bcopy): Accept a tree type for the result.
299         (fold_builtin_memmove): Accept an arglist and tree type for
300         the result.
301
302 2004-10-05  Ulrich Weigand  <uweigand@de.ibm.com>
303
304         * config/s390/s390.c (s390_dump_pool): Remove return value.
305         Use gen_pool_align, gen_pool_section_start/end instead of
306         gen_pool_start/end_31/64.
307         * config/s390/s390.md (UNSPECV_POOL_START, UNSPECV_POOL_END): Remove.
308         (UNSPECV_POOL_SECTION, UNSPECV_POOL_ALIGN): New constants.
309         ("pool_start_31", "pool_end_31"): Remove.
310         ("pool_start_64", "pool_end_64"): Likewise.
311         ("pool_align", "pool_section_start", "pool_section_end": New insns.
312
313         * config/s390/s390.c (s390_cannot_copy_insn_p): New function.
314         (TARGET_CANNOT_COPY_INSN_P): Define.
315         (s390_cannot_force_const_mem): Handle UNSPEC_INSN.
316         (struct constant_pool): New member 'execute'.
317         (s390_add_execute, s390_find_execute): New functions.
318         (s390_execute_label, s390_execute_target): Likewise.
319         (s390_dump_pool): Output in-pool execute target templates.
320         (s390_dump_execute): New function.
321         (s390_alloc_pool, s390_free_pool): Handle execute templates.
322         (s390_mainpool_start, s390_mainpool_finish): Likewise.
323         (s390_chunkify_start, s390_chunkify_finish): Likewise.
324         * config/s390/s390.md (UNSPEC_INSN, UNSPEC_EXECUTE): New constants.
325         ("*execute"): New insn pattern.
326         ("movmem_short", "*movmem_short"): Use splitters to generate
327         explicit execute pattern, remove embedded execute.
328         ("clrmem_short", "*clrmem_short"): Likewise.
329         ("cmpmem_short", "*cmpmem_short"): Likewise.
330
331 2004-10-05  Daniel Berlin  <dberlin@dberlin.org>
332
333         * tree-ssa.c (verify_ssa): Verify phi arguments only
334         contain renamed names.
335
336 2004-10-05  Alan Modra  <amodra@bigpond.net.au>
337
338         * config/rs6000/linux.h: Formatting, whitespace.
339         * config/rs6000/linux64.h: Likewise.
340         * config/rs6000/rs6000-protos.h: Likewise.
341         * config/rs6000/rs6000.c: Likewise.
342         (easy_vector_splat_const): Add fall thru comments.
343         (output_vec_const_move): Likewise.
344
345 2004-10-05  Kelley Cook  <kcook@gcc.gnu.org>
346
347         * Makefile.in: Update -Wno-error exceptions for move to build dir.
348
349 2004-10-05  Chao-Ying Fu  <fu@mips.com>
350             Richard Sandiford  <rsandifo@redhat.com>
351
352         * doc/invoke.texi (-mpaired-single): Link to the new description of the
353         built-in functions.  Document dependencies.
354         (-mips3d): Add link here too.
355         * doc/extend.texi (MIPS Paired-Single Support): New section.
356
357 2004-10-04  Chao-ying Fu  <fu@mips.com>
358
359         * config/mips/mips.h (UNITS_PER_SIMD_WORD): Define.
360
361 2004-10-04  Diego Novillo  <dnovillo@redhat.com>
362
363         * tree-ssa-dom.c (tree_ssa_dominator_optimize):
364         Initialize OPT_STATS to 0.
365
366 2004-10-04  Kazu Hirata  <kazu@cs.umass.edu>
367
368         * tree-data-ref.c: Fix comment typos.
369
370 2004-10-04  Sebastian Pop  <pop@cri.ensmp.fr>
371
372         * Makefile.in (tree-ssa-loop-niter.o): Depends on tree-data-ref.h.
373         * cfgloop.c (initialize_loops_parallel_p): New.
374         (flow_loops_find): Initialize the parallel_p field to true for all
375         the loops.
376         * tree-ssa-loop-niter.c: Include "tree-data-ref.h".
377         (estimate_numbers_of_iterations_loop): Infers the loop bounds from
378         the size of the data accessed in the loop.
379         (struct nb_iter_bound): Moved...
380         * cfgloop.h (struct nb_iter_bound): ... here.
381         (estimated_nb_iterations, parallel_p): New fields in struct loop.
382         (record_estimate): Declare extern here.
383         * tree-chrec.c: Fix comments.
384         (nb_vars_in_chrec): New function.
385         * tree-chrec.h (nb_vars_in_chrec): Declared here.
386         * tree-data-ref.c: Don't include lambda.h, that is already included
387         in tree-data-ref.h.
388         (tree_fold_divides_p): Don't check for integer_onep.
389         (tree_fold_bezout): Removed.
390         (gcd): New static duplicated function.
391         (int_divides_p, dump_subscript): New.
392         (dump_data_dependence_relation): Use dump_subscript.
393         (dump_dist_dir_vectors, dump_ddrs, compute_estimated_nb_iterations,
394         estimate_niter_from_size_of_data): New.
395         (analyze_array_indexes, analyze_array): Call
396         estimate_niter_from_size_of_data during the detection of array
397         references.  Pass in a pointer to the statement that contains the
398         array reference.
399         (all_chrecs_equal_p): New.
400         (compute_distance_vector): Renamed compute_subscript_distance.
401         Deal with multivariate conflict functions.
402         (initialize_data_dependence_relation): Initialize DDR_AFFINE_P,
403         DDR_SIZE_VECT, DDR_DIST_VECT, and DDR_DIR_VECT.
404         (non_affine_dependence_relation): New.
405         (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
406         analyze_siv_subscript, analyze_miv_subscript,
407         analyze_overlapping_iterations, subscript_dependence_tester):
408         Initialize and return last_conflicts function.
409         (initialize_matrix_A, FLOOR, compute_overlap_steps_for_affine_univar,
410         compute_overlap_steps_for_affine_1_2): New.
411         (analyze_siv_subscript_affine_cst): Removed.
412         (analyze_subscript_affine_affine): Disprove dependences based on the
413         iteration domains.  Solve the univariate dependence case as before,
414         but use lambda_matrix_right_hermite instead of tree_fold_bezout.
415         Implement the multivariate case of 2 versus 1 variables.
416         (undetermined_conflicts_p, no_conflicts_p): New.
417         (build_classic_dist_vector, build_classic_dir_vector): Implement some
418         unhandled cases.
419         (find_data_references_in_loop): Compute and initialize
420         loop->estimated_nb_iterations and loop->parallel_p.
421         (analyze_all_data_dependences): Modify the debug dump order.
422         * tree-data-ref.h (SUB_LAST_CONFLICT_IN_A, SUB_LAST_CONFLICT_IN_B,
423         subscript->last_conflict_in_a, subscript->last_conflict_in_b): Removed.
424         (SUB_LAST_CONFLICT, subscript->last_conflict,
425         data_dependence_relation->affine_p, data_dependence_relation->size_vect,
426         DDR_AFFINE_P, DDR_SIZE_VECT): New.
427         (find_data_references_in_loop, initialize_data_dependence_relation,
428         dump_subscript, dump_ddrs, dump_dist_dir_vectors): Declared here.
429
430
431 2004-10-04  Sebastian Pop  <pop@cri.ensmp.fr>
432
433         * tree-data-ref.c (array_base_name_differ_p): Fix comments.  When
434         the predicate cannot be computed, don't initialize the result to
435         false.
436
437 2004-10-01  Eric Christopher  <echristo@redhat.com>
438
439         * dwarf2.h (dwarf_calling_convention): Add GNU prefix to
440         locally defined enum.
441         * dwarf2out.c (add_calling_convention_attribute): Don't
442         emit DW_CC_normal.
443
444 2004-10-03  Andrew Pinski  <pinskia@physics.uc.edu>
445
446         PR c/17178, PR c/17820
447         * c-decl.c (pop_scope): Do not warn about unused static
448         variables as they warned in the middle-end.
449
450 2004-10-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
451
452         * builtins.c (expand_builtin_memcpy): Delete duplicate code
453         and make the first parameter the expression not the arglist.
454
455 2004-10-03  Ulrich Weigand  <uweigand@de.ibm.com>
456
457         * expr.c (expand_expr_addr_expr): Only accept Pmode or ptr_mode
458         as valid modes to expand address expressions.
459
460 2004-10-03  Joseph S. Myers  <jsm@polyomino.org.uk>
461
462         * c-aux-info.c, c-common.c, c-common.h, c-cppbuiltin.c, c-decl.c,
463         c-format.c, c-incpath.c, c-lex.c, c-objc-common.c, c-opts.c,
464         c-parse.in, c-pch.c, c-ppoutput.c, c-pragma.c, c-typeck.c: Follow
465         code formatting conventions.
466
467 2004-10-03  Richard Sandiford  <rsandifo@redhat.com>
468
469         * config/mips/mips.md (<u>mulsidi3_32bit_r4000): Fix unsigned case.
470
471 2004-10-03  Kazu Hirata  <kazu@cs.umass.edu>
472
473         PR tree-optimization/16632
474         * fold-const.c (fold) [EQ_EXPR]: When seeing if D & ~C != 0 to
475         fold (A & C) == D into 0, fold ~C.  Similarly, for the case
476         where | is used instead of &.
477
478 2004-10-03  Kazu Hirata  <kazu@cs.umass.edu>
479
480         * ginclude/stddef.h: Fix a comment typo.
481
482 2004-10-03  Eric Botcazou  <ebotcazou@libertysurf.fr>
483
484         PR target/17443
485         * config.gcc (i?86-*-solaris2*): Restore correct logic
486         for --enable-threads option.
487         (sparc64-*-solaris2*): Likewise.
488         (sparc-*-solaris2*): Likewise.
489
490 2004-10-03  Alan Modra  <amodra@bigpond.net.au>
491
492         * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define.
493         (OS_MISSING_POWERPC64): Move, and comment.
494         * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Define.
495         (OS_MISSING_POWERPC64): Move, and comment.
496
497 2004-10-02  Ian Lance Taylor  <ian@wasabisystems.com>
498
499         * arm.c (output_call_mem): Add missing \t.
500
501 2004-10-02  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
502
503         * builtins.c (expand_builtin_memcmp, expand_builtin_strcmp,
504         expand_builtin_strncmp): Delete duplicate code.
505
506 2004-10-02  Frank Ch. Eigler  <fche@redhat.com>
507
508         * tree-mudflap.c (mf_build_check_statement_for): Reorganize to
509         take check-base and -limit arguments.
510         (mf_xform_derefs_1): Reorganize slightly to pass proper base/limit
511         check ranges for ARRAY_REF and COMPONENT_REF.
512         (execute_mudflap_fnction_ops, ..._decls): Limit unnecessary
513         instrumentation.
514
515 2004-10-02  Joseph S. Myers  <jsm@polyomino.org.uk>
516
517         * c-objc-common.c (c_tree_printer): Correct description of %E.
518         Don't fall through after printing an expression.
519
520 2004-10-02  Kazu Hirata  <kazu@cs.umass.edu>
521
522         * tree-cfg.c, config/s390/tpf-unwind.h: Fix comment typos.
523
524 2004-10-02  Kazu Hirata  <kazu@cs.umass.edu>
525
526         * tree-cfg.c (cleanup_tree_cfg): Speed up by calling
527         delete_unrechable_blocks() only when necessary.
528
529 2004-10-02  P.J. Darcy  <darcypj@us.ibm.com>
530
531         * gthr-tpf.h (__gthread_recursive_mutex_t): New type.
532         (__GTHREAD_RECURSIVE_MUTEX_INIT): Define.
533         (__gthread_recursive_mutex_lock, __gthread_recursive_mutex_trylock,
534         __gthread_recursive_mutex_unlock): New functions.
535
536 2004-10-02  P.J. Darcy  <darcypj@us.ibm.com>
537
538         * config/s390/t-tpf (LIB2ADDEH): Remove tpf-eh.c.
539         * config/s390/tpf-eh.c: Remove file.
540         * config/s390/tpf-unwind.h: New file.
541         * config/s390/tpf.h (MD_FALLBACK_FRAME_STATE_FOR): Remove.
542         (MD_UNWIND_SUPPORT): Define.
543
544 2004-10-02  Joseph S. Myers  <jsm@polyomino.org.uk>
545
546         * c-typeck.c (warn_for_assignment): Don't permit argnum == 0.
547
548 2004-10-01  Ulrich Weigand  <uweigand@de.ibm.com>
549
550         * config/s390/s390-protos.h (s390_comparison): Add prototype.
551         * config/s390/s390.c (s390_comparison): New function.
552         (s390_branch_condition_mask): Return -1 for invalid comparisons.
553         (s390_branch_condition_mnemonic): Assert valid comparison.
554         * config/s390/s390.h (PREDICATE_CODES): Add s390_comparison.
555         * config/s390/s390.md ("*cjump_64", "*cjump_31", "*cjump_long",
556         "*icjump_64", "*icjump_31", "*icjump_long", "*trap"): Use
557         s390_comparison instead of comparison_operator.
558
559         * config/s390/s390.md (UNSPEC_CMPINT): New constant.
560         ("cmpmemdi"): Remove.
561         ("cmpmem_short", "*cmpmem_short"): Use CCUmode instead of CCSmode.
562         ("cmpmem_long", "*cmpmem_long_64", "*cmpmem_long_31"): Likewise.
563         ("cmpint_si"): Rename to ...
564         ("*cmpint_si"): ... this.  Use UNSPEC_CMPINT.
565         ("cmpint_di", "*cmpint_di"): Likewise.
566         * config/s390/s390.c (s390_canonicalize_comparison): Remove
567         redundant UNSPEC_CMPINT conversions.
568         (s390_expand_cmpmem): Adapt to cmpint pattern changes.
569
570 2004-10-01  Kazu Hirata  <kazu@cs.umass.edu>
571
572         * collect2.c (COLLECT_PARSE_FLAG): Remove.
573         (main): Remove a reference to COLLECT_PARSE_FLAG
574         * system.h: Poison COLLECT_PARSE_FLAG.
575         * doc/tm.texi (COLLECT_PARSE_FLAG): Remove.
576
577 2004-10-01  Paul Brook  <paul@codesourcery.com>
578
579         * config/arm/crti.asm: Give _init and _fini function type.
580
581 2004-10-01  Zdenek Dvorak  <dvorakz@suse.cz>
582
583         * common.opt (ftree-loop-ivcanon): Enable by default.
584         * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely):
585         Enable complete loop unrolling.
586         (canonicalize_induction_variables, tree_unroll_loops_completely):
587         Reset scev info.
588
589 2004-10-01  Paul Brook  <paul@codesourcery.com>
590
591         * config/arm/arm.c (thumb_compute_saved_rag_mask): Or with bitmask,
592         not register number.
593         (thumb_find_work_register): Search full register range.
594
595 2004-10-01  Andrew Pinski  <pinskia@physics.uc.edu>
596
597         PR tree-opt/17343
598         * tree-cfg.c (group_case_labels): Get the label and not
599         the case expr for the default case.
600         When the label we looking at is the default, decrement the
601         new_size.
602
603 2004-10-01  Jan Hubicka  <jh@suse.cz>
604
605         * c-decl.c (c_expand_body): Update call tree_rest_of_compilation.
606         * cgraphunit.c (cgraph_build_static_cdtor): Likewise.
607         * toplev.h (tree_rest_of_compilation): Update prototype.
608         * tree-optimize.c (tree_rest_of_compilation):  Kill nested_p argument.
609
610 2004-10-01  Kazu Hirata  <kazu@cs.umass.edu>
611
612         * tree-cfg.c (cleanup_tree_cfg): Pull a call to
613         cleanup_control_flow() out of the while loop.
614
615 2004-10-01  Paolo Bonzini  <bonzini@gnu.org>
616
617         * tree-vectorizer.c (vectorizable_operation): Fail unless
618         the mode for the vector type is indeed a vector mode.
619
620 2004-10-01  Zdenek Dvorak  <dvorakz@suse.cz>
621
622         * tree-chrec.c (chrec_fold_plus_poly_poly, chrec_fold_plus_1,
623         chrec_fold_multiply): Use fold_convert or build_int_cst_type instead
624         of convert.
625         * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
626         add_to_evolution, set_nb_iterations_in_loop, follow_ssa_edge_in_rhs,
627         follow_ssa_edge_in_rhs): Ditto.
628         * tree-ssa-loop-ivopts.c (struct iv): Add base_object field.
629         (dump_iv): Dump base_object.
630         (dump_use, dump_cand): Use dump_iv.
631         (determine_base_object): New function.
632         (alloc_iv): Initialize base_object field.
633         (record_use): Clear the ssa_name field of iv.
634         (get_computation_cost_at): Do not use difference of addresses of
635         two different objects.
636         (may_eliminate_iv): Do not require the loop to have just single exit.
637         * tree-ssa-loop-niter.c (zero_p): Do not check for overflows.
638         (nonzero_p): New function.
639         (inverse, number_of_iterations_cond, simplify_using_outer_evolutions,
640         tree_simplify_using_condition, simplify_using_initial_conditions,
641         loop_niter_by_eval, find_loop_niter_by_eval,
642         estimate_numbers_of_iterations_loop, compare_trees,
643         upper_bound_in_type, lower_bound_in_type,
644         can_count_iv_in_wider_type_bound): Use buildN instead of build.  Use
645         fold_convert or build_int_cst_type instead of convert.  Use (non)zero_p
646         instead of integer_(non)zerop.
647
648 2004-10-01  Jakub Jelinek  <jakub@redhat.com>
649
650         Revert
651         2004-09-29  Jakub Jelinek  <jakub@redhat.com>
652
653         * tree.h (enum tree_index): Add TI_VA_LIST_GPR_COUNTER_FIELD
654         and TI_VA_LIST_FPR_COUNTER_FIELD.
655         (va_list_gpr_counter_field, va_list_fpr_counter_field): Define.
656         * tree-pass.h (pass_stdarg): Add.
657         * tree-optimize.c (init_tree_optimization_passes): Add pass_stdarg.
658         * tree-stdarg.c: New file.
659         * Makefile.in (OBJS-common): Add tree-stdarg.o.
660         (tree-stdarg.o): Add dependencies.
661         * function.h (struct function): Add va_list_gpr_size and
662         va_list_fpr_size fields.
663         * function.c (allocate_struct_function): Initialize them.
664
665         * config/i386/i386.c (ix86_build_builtin_va_list): Initialize
666         va_list_{g,f}pr_counter_field.
667         (ix86_setup_incoming_varargs): Don't do anything if reg_save
668         area will not be used.  Only save registers that tree-stdarg.c
669         detected they need saving.
670         (ix86_va_start): Don't set up fields that won't be used.
671
672         * config/rs6000/rs6000.c (rs6000_build_builtin_va_list): Initialize
673         va_list_{g,f}pr_counter_field.
674         (setup_incoming_varargs): Don't do anything if reg_save
675         area will not be used.  Only save registers that tree-stdarg.c
676         detected they need saving.
677         (rs6000_va_start): Don't set up fields that won't be used.
678
679 2004-09-30  Eric Christopher  <echristo@redhat.com>
680
681         * dwarf2.h (dwarf_calling_convention): Add enum for renesas
682         sh abi.
683         * dwarf2out.c (add_calling_convention_attribute): New function.
684         (gen_subroutine_type_die): Use.
685         * target-def.h (TARGET_DWARF_CALLING_CONVENTION): New hook.
686         * target.h (gcc_target): Add dwarf_calling_convention.
687         * hooks.c (hook_int_tree_0): New function.
688         * hooks.h: Prototype.
689         * config/sh/sh.c: Include dwarf2.h.
690         (sh_dwarf_calling_convention): New function.
691         (TARGET_DWARF_CALLING_CONVENTION): Use.
692         * doc/tm.texi (TARGET_DWARF_CALLING_CONVENTION): Document.
693
694 2004-09-30  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
695
696         * builtins.c (expand_builtin_strstr, expand_builtin_strchr,
697         expand_builtin_strrchr, expand_builtin_strpbrk,
698         expand_builtin_strncat, expand_builtin_strspn,
699         expand_builtin_strcspn, expand_builtin_fputs): Eliminate duplicate
700         code.
701
702 2004-09-30  Ulrich Weigand  <uweigand@de.ibm.com>
703
704         * config/s390/s390-protos.h (s390_expand_logical_operator): Add
705         prototype.
706         (s390_logical_operator_ok_p): Likewise.
707         * config/s390/s390.c (s390_expand_logical_operator): New function.
708         (s390_logical_operator_ok_p): Likewise.
709         * config/s390/s390.md ("anddi3"): New expander.
710         ("*anddi3"): Rename from old anddi3 pattern, add Q->Q alternative.
711         ("*anddi3_ss", "*anddi3_ss_inv"): Remove.
712         ("andsi3"): Use s390_expand_logical_operator.
713         ("*andsi3_esa", "*andsi3_zarch"): Add Q->Q alternative.
714         ("*andsi3_ss", "*andsi3_ss_inv"): Remove.
715         ("andhi3"): New expander.
716         ("*andhi3_zarch", "*andhi3_esa"): New patterns.
717         ("andhi3", "*andhi3_ni", "*andhi3_ss", "*andhi3_ss_inv"): Remove.
718         ("andqi3"): New expander.
719         ("*andqi3_zarch", "*andqi3_esa"): New patterns.
720         ("andqi3", "*andqi3_ni", "*andqi3_ss", "*andqi3_ss_inv"): Remove.
721         ("iordi3"): New expander.
722         ("*iordi3"): Rename from old iordi3 pattern, add Q->Q alternative.
723         ("*iordi3_ss", "*iordi3_ss_inv"): Remove.
724         ("iorsi3"): Use s390_expand_logical_operator.
725         ("*iorsi3_esa", "*iorsi3_zarch"): Add Q->Q alternative.
726         ("*iorsi3_ss", "*iorsi3_ss_inv"): Remove.
727         ("iorhi3"): New expiorer.
728         ("*iorhi3_zarch", "*iorhi3_esa"): New patterns.
729         ("iorhi3", "*iorhi3_ni", "*iorhi3_ss", "*iorhi3_ss_inv"): Remove.
730         ("iorqi3"): New expiorer.
731         ("*iorqi3_zarch", "*iorqi3_esa"): New patterns.
732         ("iorqi3", "*iorqi3_ni", "*iorqi3_ss", "*iorqi3_ss_inv"): Remove.
733         ("xordi3"): New expander.
734         ("*xordi3"): Rename from old xordi3 pattern, add Q->Q alternative.
735         ("*xordi3_ss", "*xordi3_ss_inv"): Remove.
736         ("xorsi3"): New expander.
737         ("*xorsi3"): Rename from old xorsi3 pattern, add Q->Q alternative.
738         ("*xorsi3_ss", "*xorsi3_ss_inv"): Remove.
739         ("xorhi3"): New expander.
740         ("*xorqi3"): Rename from old xorhi3 pattern, add Q->Q alternative.
741         ("*xorhi3_ss", "*xorhi3_ss_inv"): Remove.
742         ("xorqi3"): New expander.
743         ("*xorqi3"): Rename from old xorqi3 pattern, add Q->Q alternative.
744         ("*xorqi3_ss", "*xorqi3_ss_inv"): Remove.
745
746 2004-09-30  Roger Sayle  <roger@eyesopen.com>
747
748         * combine.c (force_to_mode) <NE_EXPR>: Only convert the expression
749         (AND (NE FOO 0) CONST) into (AND FOO CONST) if FOO has the same
750         machine mode as the result.
751
752 2004-09-30  Ben Elliston  <bje@au.ibm.com>
753
754         PR bootstrap/17761
755         * lcm.c (optimize_mode_switching): Update to use EDGE_SUCC and
756         FOR_EACH_EDGE macros.
757
758 2004-09-30  Joseph S. Myers  <jsm@polyomino.org.uk>
759
760         * c-tree.h (readonly_error): Remove.
761         * c-typeck (enum lvalue_use): New.
762         (lvalue_or_else, readonly_error): Use it.  All callers changed.
763         (readonly_error): Make static.
764
765 2004-09-30  Jan Hubicka  <jh@suse.cz>
766
767         PR debug/13974
768         * cfgrtl.c (try_redirect_by_replacing_jump,
769         force_nonfallthru_and_redirect, commit_one_edge_insertion,
770         cfg_layout_merge_blocks):  Do not attach any line number information
771         to newly inserted instructions.
772         * emit-rtl.c (emit_insn*_before, emit_insn*_after): Rename to
773         emit_insn_*_noloc.
774         (emit_*insn_before, emit_insn*_after): New.
775         (emit_*insn_before_setloc, emit_*insn_after_setloc): Do not overwrite
776         existing locators.
777         * rtl.h (emit_*insn_before_noloc, emit_*insn_after_noloc): Declare.
778         (emit_*insn_before_sameloc, emit_*insn_after_sameloc): Kill.
779
780 2004-09-30  Ulrich Weigand  <uweigand@de.ibm.com>
781
782         * config/s390/s390-protos.h (s390_arg_frame_offset): Remove.
783         (s390_return_address_offset): Remove.
784         (s390_can_eliminate): Add prototype.
785         (s390_initial_elimination_offset): Add prototype.
786         * config/s390/s390.h (CAN_ELIMINATE): Call s390_can_eliminate.
787         (INITIAL_ELIMINATION_OFFSET): Call s390_initial_elimination_offset.
788         * config/s390/s390.c (s390_arg_frame_offset): Remove.
789         (s390_return_address_offset): Remove.
790         (s390_can_eliminate, s390_initial_elimination_offset): New functions.
791         (struct machine_function): New member split_branches_pending_p.
792         (s390_mainpool_start): Allow nonexistant pool insn for empty pool.
793         (s390_mainpool_finish): Likewise.  Clear base_reg if pool empty.
794         (s390_optimize_prologue): Remove base_used argument.  Call
795         s390_update_frame_layout instead of s390_register_info.  Handle
796         prologue/epilogue insns that touch only RETURN_REGNUM.
797         (s390_reorg): Remove base_used.  Clear split_branches_pending_p.
798         (s390_register_info): Remove base_used and return_addr_used
799         arguments, compute special register usage inline.  Return live
800         register data to caller.
801         (s390_frame_info): Remove arguments, do not call s390_register_info.
802         (s390_init_frame_layout): New function.
803         (s390_update_frame_layout): Likewise.
804         (s390_emit_prologue): Call s390_update_frame_layout; some code
805         move to there.  Do not emit pool placeholder insn if unnecessary.
806
807 2004-09-30  Ulrich Weigand  <uweigand@de.ibm.com>
808
809         * config/s390/s390.c (legitimate_reload_constant_p): Remove
810         floating point constant workaround.
811         (s390_secondary_input_reload_class): Handle PLUS reloads
812         with too-large constant.
813         (s390_expand_plus_operand): Likewise.
814         * config/s390/s390.md ("movdi"): Do not call force_const_mem.
815         ("movsi"): Likewise.  Also, remove workaround for non-general
816         operands.
817         ("movdf"): Do not call force_const_mem.
818         ("movsf"): Likewise.  Merge expander with *movsf insn.
819         ("*movsf"): Remove, merge with movsf expander.
820
821 2004-09-30  Paul Brook  <paul@codesourcery.com>
822
823         * config/arm/symbian.h (STARTFILE_SPEC): Remove crt*.o.
824         (ENDFILE_SPEC): Define.
825         * config/arm/t-symbian.h (EXTRA_MULTILIB_PARTS): Set.
826
827 2004-09-30  Richard Henderson  <rth@redhat.com>
828
829         * config/alpha/qrnnd.asm: Mark for noexecstack.
830
831 2004-09-30  Kazu Hirata  <kazu@cs.umass.edu>
832
833         * protoize.c, tree-cfg.c: Fix comment typos.
834
835 2004-09-30  Joseph S. Myers  <jsm@polyomino.org.uk>
836
837         PR c/17730
838         * c-typeck.c (lvalue_or_else): Pass msgid directly to error.
839
840 2004-09-30  Diego Novillo  <dnovillo@redhat.com>
841
842         * tree-ssa-alias.c (collect_points_to_info_r): Move analysis of
843         expressions...
844         (add_pointed_to_expr): ... here.
845         Call add_pointed_to_expr for variables with DECL_INITIAL set.
846         * tree-dfa.c (add_referenced_var): Scan DECL_INITIAL of any
847         pointer variable, if set.
848
849 2004-09-30  Kazu Hirata  <kazu@cs.umass.edu>
850
851         * config/sh/sh.c: Follow spelling conventions.
852
853 2004-09-29  Richard Henderson  <rth@redhat.com>
854
855         * unwind-dw2.c (_Unwind_GetGR): Honor DWARF_ZERO_REG.
856         * doc/tm.texi (DWARF_ZERO_REG): New.
857
858         * config/alpha/alpha.c (alpha_sa_mask, alpha_expand_prologue,
859         alpha_expand_epilogue): Revert 2003-09-30 change to store zero.
860         * config/alpha/alpha.h (DWARF_ZERO_REG): New.
861
862 2004-09-29  Ulrich Weigand  <uweigand@de.ibm.com>
863
864         * builtins.c (expand_builtin_strlen): Do not call emit_move_insn
865         with a PLUS as source operand.
866         (expand_movstr): Likewise.
867         (expand_builtin_stpcpy): Likewise.
868
869 2004-09-29  Richard Henderson  <rth@redhat.com>
870
871         PR 17739
872         * tree-gimple.c (is_gimple_reg): Reject hard registers.
873         (is_gimple_asm_val): New.
874         * tree-gimple.h (is_gimple_asm_val): Declare.
875         * gimplify.c (gimplify_asm_expr): Use it.
876         * tree-pretty-print.c (print_declaration): Dump hard regs.
877         * tree-outof-ssa.c (check_replaceable): Don't check for hard regs.
878         * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Likewise.
879         * tree-ssa-pre.c (is_undefined_value): Likewise.
880         * tree-ssa-copy.c (may_propagate_copy): Likewise.
881         (may_propagate_copy_into_asm): Protect DECL_HARD_REGISTER.
882         * tree-ssa.c (warn_uninit): Likewise.
883         * tree.h (DECL_HARD_REGISTER): Check for VAR_DECL.
884
885 2004-09-29  Fariborz Jahanian <fjahanian@apple.com>
886
887         * c-decl.c (merge_decls): Use comptype when comparing
888         types to decide on DECL_SIZE save of olddecl.
889
890 2004-09-29  Daniel Berlin  <dberlin@dberlin.org>
891
892         * tree.h (INDIRECT_REF_P): New macro.
893         * alias.c (get_alias_set): Use it
894         (nonoverlapping_memrefs_p): Ditto.
895         * emit-rtl.c (mem_expr_equal_p): Ditto.
896         (set_mem_attributes_minus_bitpos): Ditto.
897         (is_gimple_addressable): Ditto.
898         (get_base_address): Ditto.
899         * tree-ssa-alias.c (find_ptr_derefernece): Ditto.
900         * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Ditto.
901         * tree-ssa-dom.c (record_equivalences_from_stmt): Ditto.
902         * tree-ssa-loop-im.c (is_call_clobbered_ref): Ditto.
903         * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Ditto.
904         (add_address_candidates): Ditto.
905         (rewrite_address_base): Ditto.
906
907 2004-09-30  Ben Elliston  <bje@au.ibm.com>
908
909         * tree-flow.h (struct bb_ann_d): Remove num_preds member.
910         * tree-into-ssa.c (rewrite_into_ssa): Don't set it.
911         (rewrite_ssa_into_ssa): Likewise.
912         * tree-phinodes.c (create_phi_node): Access the number of
913         predecessor edges using EDGE_COUNT() and not num_preds.
914
915 2004-09-29  Joseph S. Myers  <jsm@polyomino.org.uk>
916
917         PR c/7425
918         * c-decl.c (merge_decls): Merge TREE_DEPRECATED.
919
920 2004-09-29  Eric Christopher  <echristo@redhat.com>
921
922         * fold-const.c (tree_swap_operands_p): Remove duplicated code.
923
924 2004-09-29  Hans-Peter Nilsson  <hp@axis.com>
925
926         * config/cris/cris.md (moverside, movemside): With MEM, make sure
927         the address is (plus reg mem).
928
929 2004-09-29  David Edelsohn  <edelsohn@gnu.org>
930
931         * config/rs6000/linux64.h (PROCESSOR_DEFAULT): Define.
932
933 2004-09-29  Nathan Sidwell  <nathan@codesourcery.com>
934
935         * tree.c (make_node_stat): Fix uninitialized warning.  Replace
936         cascaded if ... else if with a switch.
937
938 2004-09-29  Aaron W. LaFramboise  <aaronavay62@aaronwl.com>
939
940         * read-rtl.c (apply_macro_to_string): Replace index with strchr.
941
942 2004-09-29  Jakub Jelinek  <jakub@redhat.com>
943
944         * tree.h (enum tree_index): Add TI_VA_LIST_GPR_COUNTER_FIELD
945         and TI_VA_LIST_FPR_COUNTER_FIELD.
946         (va_list_gpr_counter_field, va_list_fpr_counter_field): Define.
947         * tree-pass.h (pass_stdarg): Add.
948         * tree-optimize.c (init_tree_optimization_passes): Add pass_stdarg.
949         * tree-stdarg.c: New file.
950         * Makefile.in (OBJS-common): Add tree-stdarg.o.
951         (tree-stdarg.o): Add dependencies.
952         * function.h (struct function): Add va_list_gpr_size and
953         va_list_fpr_size fields.
954         * function.c (allocate_struct_function): Initialize them.
955
956         * config/i386/i386.c (ix86_build_builtin_va_list): Initialize
957         va_list_{g,f}pr_counter_field.
958         (ix86_setup_incoming_varargs): Don't do anything if reg_save
959         area will not be used.  Only save registers that tree-stdarg.c
960         detected they need saving.
961         (ix86_va_start): Don't set up fields that won't be used.
962
963         * config/rs6000/rs6000.c (rs6000_build_builtin_va_list): Initialize
964         va_list_{g,f}pr_counter_field.
965         (setup_incoming_varargs): Don't do anything if reg_save
966         area will not be used.  Only save registers that tree-stdarg.c
967         detected they need saving.
968         (rs6000_va_start): Don't set up fields that won't be used.
969
970 2004-09-29  Jakub Jelinek  <jakub@redhat.com>
971
972         * builtins.def (BUILT_IN_FPUTC, BUILT_IN_FPUTC_UNLOCKED,
973         BUILT_IN_FPUTS, BUILT_IN_FPUTS_UNLOCKED, BUILT_IN_FWRITE,
974         BUILT_IN_FWRITE_UNLOCKED, BUILT_IN_PUTCHAR, BUILT_IN_PUTCHAR_UNLOCKED,
975         BUILT_IN_PUTS, BUILT_IN_PUTS_UNLOCKED): Remove nothrow attribute.
976         * builtin-attrs.def (ATTR_NONNULL_1, ATTR_NONNULL_2, ATTR_NONNULL_1_2,
977         ATTR_NONNULL_1_4): New.
978
979 2004-09-29  Jakub Jelinek  <jakub@redhat.com>
980
981         PR tree-optimization/17697
982         * tree-ssa-ccp.c (execute_fold_all_builtins): Update eh and cleanup
983         cfg if needed.
984
985 2004-09-28  Per Bothner  <per@bothner.com>
986
987         * profile.c (branch_prob): Pass correct value to output_location,
988         even when USE_MAPPED_LOCATION.  Fixes bug from 09-11.
989
990 2004-09-28  Richard Henderson  <rth@redhat.com>
991
992         PR 15089
993         * tree-ssa-copy.c (may_propagate_copy_into_asm): New.
994         * tree-flow.h (may_propagate_copy_into_asm): Declare.
995         * tree-ssa-ccp.c (replace_uses_in): Use it.
996         * tree-ssa-dom.c (cprop_operand): Likewise.
997
998 2004-09-28 Jeff Law  <law@redhat.com>
999
1000         * tree-ssa-threadupdate.c (create_block_for_threading):  Request
1001         that no outgoing edges be left in the duplicate block.  Do no
1002         update information on outgoing edges or PHI nodes in target
1003         blocks here.
1004         (remove_ctrl_stmt_and_useless_edges): Renamed from
1005         remove_last_stmt_and_useless_edges.  Handle case where the
1006         block is empty or has no control statements.  Do not update edge
1007         flags here.
1008         (thread_block): Create a template block rather than copying the
1009         original block every time.  Create outgoing edges from the
1010         duplicate blocks and update PHIs at the target of the outgoing
1011         edges here.  Fix edge flags for the original block if necessary.
1012         * cfghooks (duplicate_block): No longer assert that the original
1013         block has incoming edges.
1014
1015 2004-09-29  Hans-Peter Nilsson  <hp@bitrange.com>
1016
1017         * doc/extend.texi (Extended Asm): Add blurb about using Explicit
1018         Reg Vars to enforce register allocation with general constraints.
1019         (Explicit Reg Vars): Clarify relation to asm statements.
1020         (Local Reg Vars): Similar.
1021
1022 2004-09-28  Ulrich Weigand  <uweigand@de.ibm.com>
1023
1024         * sched-rgn.c (haifa_edge, edge_table, NEXT_IN, NEXT_OUT, FROM_BLOCK,
1025         TO_BLOCK, nr_edges, in_edges, out_edges, IN_EDGES, OUT_EDGES,
1026         build_control_flow, new_edge): Remove.
1027         (schedule_insns): Remove edge_table/in_edges/out_edges cleanup.
1028         (bitlst, bitlst_table_last, bitlst_table): Remove.
1029         (bblst): Store basic_block pointer instead of block index.
1030         (bblst_table): Likewise.
1031         (edgelst): Store edge pointer instead of edge index.
1032         (edgelst_table, edgelst_last): New variables.
1033         (extract_bitlst): Rename to ...
1034         (extract_edgelst): ... this.  Return edge pointers, not indices.
1035         (split_edges): Update call.
1036         (rgn_edges): Store edge pointers instead of indices.
1037         (edge_to_bit): Remove.
1038         (EDGE_TO_BIT): Store per-region edge index in edge->aux.
1039         (SET_EDGE_TO_BIT): New macro.
1040         (is_cfg_nonregular): Check for simple cases of unreachable blocks.
1041         (find_rgns): Remove edge_list parameter.  Traverse standard CFG
1042         data structures instead of haifa_edge et al.  Use edge pointers
1043         instead of edge indices everywhere.
1044         (compute_dom_prob_ps): Use standard CFG data structures.  Account
1045         for exit edges.
1046         (compute_trg_info): Likewise.
1047         (propagate_deps): Likewise.
1048         (debug_candidate): Account for bblst data structure change.
1049         (check_live_1, update_live_1, is_pfree): Likewise.
1050         (IS_REACHABLE): Use standard CFG data structures.
1051         (init_ready_list): Update bblst_table/edgelst_table allocation.
1052         (schedule_region): Update alloc/cleanup code to data structure
1053         changes.  Use edge->aux to store per-region edge index.
1054         (init_regions): No longer call build_control_flow.  Do not
1055         create edge list any more.
1056
1057 2004-09-28  Ulrich Weigand  <uweigand@de.ibm.com>
1058
1059         * cse.c (cse_insn): Avoid creating direct non-local jumps.
1060         * combine.c (can_combine_p): Likewise.
1061         * local-alloc. (update_equiv_regs): Likewise.
1062
1063 2004-09-28  Richard Henderson  <rth@redhat.com>
1064
1065         PR 17531
1066         * expr.c (expand_expr_addr_expr_1): Only assemble_external for decls.
1067         Don't check VOIDmode here.  Force PLUS operands to common type.
1068         (expand_expr_addr_expr): Do VOIDmode check earlier.  Force use of
1069         Pmode if given a non pointer type.
1070
1071 2004-09-28  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
1072
1073         PR 17531
1074         * optabs.c (expand_binop): Force constants to the correct mode.
1075
1076 2004-09-28  Ulrich Weigand  <uweigand@de.ibm.com>
1077
1078         * config/s390/s390.c (s390_adjust_cost): Remove.
1079         (TARGET_SCHED_ADJUST_COST): Do not redefine.
1080         (s390_adjust_priority): Handle TYPE_STM like TYPE_STORE.
1081         * config/s390/s390.md ("main_pool"): Use "larl" type
1082         attribute if TARGET_CPU_ZARCH.
1083
1084 2004-09-28  Jakub Jelinek  <jakub@redhat.com>
1085
1086         * config/ia64/ia64.c (ia64_expand_prologue): Declare ei
1087         variable.
1088
1089 2004-09-28  Diego Novillo  <dnovillo@redhat.com>
1090
1091         * tree-ssa-loop.c (pass_record_bounds): Do not assign a
1092         name to the pass.
1093
1094 2004-09-28  Steven Bosscher  <stevenb@suse.de>
1095
1096         * common.opt (flag_gcse_sm): Disable by default.
1097         (flag_gcse_las): Likewise.
1098         (flag_web): Likewise.  Create from this file.
1099         * flags.h: Remove flag_web declaration.
1100         * toplev.c (flag_web): Likewise.
1101         (process_options): Never set flag_web.
1102
1103 2004-09-28  Steven Bosscher  <stevenb@suse.de>
1104
1105         * Makefile.in (tree-ssa-propagate.o): Depend on vec.h.
1106         * tree-ssa-propagate.c: Include vec.h.
1107         (interesting_ssa_edges, varying_ssa_edges): Make these VECs
1108         instead of varrays.
1109         (cfg_blocks_add): Assert the block is not already in the worklist.
1110         Update uses of interesting_ssa_edges and varying_ssa_edges.
1111         (process_ssa_edge_worklist, ssa_prop_init, ssa_prop_fini,
1112         ssa_propagate): Likewise.
1113
1114 2004-09-28  Joseph S. Myers  <jsm@polyomino.org.uk>
1115
1116         PR c/16409
1117         * c-decl.c (start_decl): Check for initializing incomplete array
1118         of VLAs.
1119         (build_compound_literal): Check for TYPE being error_mark_node.
1120         * c-parse.in (primary): Check for VLA compound literals.
1121
1122 2004-09-28  Diego Novillo  <dnovillo@redhat.com>
1123
1124         * tree-ssa-live.c (calculate_live_on_entry): Fix warnings
1125         with --disable-checking.
1126
1127 2004-09-28  Devang Patel  <dpatel@apple.com>
1128
1129         * tree-pretty-print.c (dump_generic_node): Print vector types.
1130
1131 2004-09-28  Nick Clifton  <nickc@redhat.com>
1132
1133         * config/sh/sh.h (INIT_CUMULATIVE_ARGS): Replace with an
1134         invocation of the function sh_init_cumulative_args.
1135         (INIT_CUMULATIVE_LIBCALL_ARGS): Likewise.
1136         (INIT_CUMULATIVE_INCOMING_ARGS): Delete.
1137         * config/sh/sh-protos.h: Prototype sh_init_cumulative_args.
1138         * config/sh/sh.c (sh_init_cumulative_args): New function based
1139         on the contents of the old INIT_CUMULATIVE_ARGS macro but with a
1140         heuristic added to determine the setting of force_mem when a
1141         library function is being called.
1142
1143 2004-09-28  Diego Novillo  <dnovillo@redhat.com>
1144
1145         * tree-ssa-loop-im.c (single_reachable_address) <PHI_NODE>:
1146         Skip constant arguments.
1147
1148 2004-09-28  Diego Novillo  <dnovillo@redhat.com>
1149
1150         * tree-ssa-alias.c (create_name_tags): If PTR points to a
1151         volatile type, mark the tag volatile.
1152         (get_tmt_for): If TAG_TYPE is a volatile type, mark the tag
1153         volatile.
1154
1155 2004-09-28  Andrew Pinski  <pinskia@physics.uc.edu>
1156
1157         * tree.def (vec_cond_expr): Fix. Change 'e'
1158         to tcc_expression.
1159
1160 2004-09-28  Kazu Hirata  <kazu@cs.umass.edu>
1161
1162         * basic-block.h: Fix a comment typo.
1163
1164 2004-09-28  Kazu Hirata  <kazu@cs.umass.edu>
1165
1166         * optabs.c, optabs.h: Fix comment typos.
1167
1168 2004-09-28  Eric Botcazou  <ebotcazou@act-europe.fr>
1169
1170         * config/sparc/sparc.md (call_address_struct_value_sp32):
1171         Properly mask the immediate field of the 'unimp' instruction.
1172         (call_symbolic_struct_value_sp32): Likewise.
1173
1174 2004-09-28  Ben Elliston  <bje@au.ibm.com>
1175             Steven Bosscher  <stevenb@suse.de>
1176             Andrew Pinski  <pinskia@physics.uc.edu>
1177
1178         Merge from edge-vector-branch:
1179         * basic-block.h: Include vec.h, errors.h. Instantiate a VEC(edge).
1180         (struct edge_def): Remove pred_next, succ_next members.
1181         (struct basic_block_def): Remove pred, succ members.  Add preds
1182         and succs members of type VEC(edge).
1183         (FALLTHRU_EDGE): Redefine using EDGE_SUCC.
1184         (BRANCH_EDGE): Likewise.
1185         (EDGE_CRITICAL_P): Redefine using EDGE_COUNT.
1186         (EDGE_COUNT, EDGE_I, EDGE_PRED, EDGE_SUCC): New.
1187         (edge_iterator): New.
1188         (ei_start, ei_last, ei_end_p, ei_one_before_end_p): New.
1189         (ei_next, ei_prev, ei_edge, ei_safe_edge): Likewise.
1190         (FOR_EACH_EDGE): New.
1191         * bb-reorder.c (find_traces): Use FOR_EACH_EDGE and EDGE_* macros
1192         where applicable.
1193         (rotate_loop): Likewise.
1194         (find_traces_1_route): Likewise.
1195         (bb_to_key): Likewise.
1196         (connect_traces): Likewise.
1197         (copy_bb_p): Likewise.
1198         (find_rarely_executed_basic_blocks_and_crossing_edges): Likewise.
1199         (add_labels_and_missing_jumps): Likewise.
1200         (fix_up_fall_thru_edges): Likewise.
1201         (find_jump_block): Likewise.
1202         (fix_crossing_conditional_branches): Likewise.
1203         (fix_crossing_unconditional_branches): Likewise.
1204         (add_reg_crossing_jump_notes): Likewise.
1205         * bt-load.c (augment_live_range): Likewise.
1206         * cfg.c (clear_edges): Likewise.
1207         (unchecked_make_edge): Likewise.
1208         (cached_make_edge): Likewise.
1209         (make_single_succ_edge): Likewise.
1210         (remove_edge): Likewise.
1211         (redirect_edge_succ_nodup): Likewise.
1212         (check_bb_profile): Likewise.
1213         (dump_flow_info): Likewise.
1214         (alloc_aux_for_edges): Likewise.
1215         (clear_aux_for_edges): Likewise.
1216         (dump_cfg_bb_info): Likewise.
1217         * cfganal.c (forwarder_block_p): Likewise.
1218         (can_fallthru): Likewise.
1219         (could_fall_through): Likewise.
1220         (mark_dfs_back_edges): Likewise.
1221         (set_edge_can_fallthru_flag): Likewise.
1222         (find_unreachable_blocks): Likewise.
1223         (create_edge_list): Likewise.
1224         (verify_edge_list): Likewise.
1225         (add_noreturn_fake_exit_edges): Likewise.
1226         (connect_infinite_loops_to_exit): Likewise.
1227         (flow_reverse_top_sort_order_compute): Likewise.
1228         (flow_depth_first_order_compute): Likewise.
1229         (flow_preorder_transversal_compute): Likewise.
1230         (flow_dfs_compute_reverse_execute): Likewise.
1231         (dfs_enumerate_from): Likewise.
1232         (compute_dominance_frontiers_1): Likewise.
1233         * cfgbuild.c (make_edges): Likewise.
1234         (compute_outgoing_frequencies): Likewise.
1235         (find_many_sub_basic_blocks): Likewise.
1236         (find_sub_basic_blocks): Likewise.
1237         * cfgcleanup.c (try_simplify_condjump): Likewise.
1238         (thread_jump): Likewise.
1239         (try_forward_edges): Likewise.
1240         (merge_blocks_move): Likewise.
1241         (outgoing_edges_match): Likewise.
1242         (try_crossjump_to_edge): Likewise.
1243         (try_crossjump_bb): Likewise.
1244         (try_optimize_cfg): Likewise.
1245         (merge_seq_blocks): Likewise.
1246         * cfgexpand.c (expand_gimple_tailcall): Likewise.
1247         (expand_gimple_basic_block): Likewise.
1248         (construct_init_block): Likewise.
1249         (construct_exit_block): Likewise.
1250         * cfghooks.c (verify_flow_info): Likewise.
1251         (dump_bb): Likewise.
1252         (delete_basic_block): Likewise.
1253         (split_edge): Likewise.
1254         (merge_blocks): Likewise.
1255         (make_forwarder_block): Likewise.
1256         (tidy_fallthru_edges): Likewise.
1257         (can_duplicate_block_p): Likewise.
1258         (duplicate_block): Likewise.
1259         * cfglayout.c (fixup_reorder_chain): Likewise.
1260         (fixup_fallthru_exit_predecessor): Likewise.
1261         (can_copy_bbs_p): Likewise.
1262         (copy_bbs): Likewise.
1263         * cfgloop.c (flow_loops_cfg_dump): Likewise.
1264         (flow_loop_entry_edges_find): Likewise.
1265         (flow_loop_exit_edges_find): Likewise.
1266         (flow_loop_nodes_find): Likewise.
1267         (mark_single_exit_loops): Likewise.
1268         (flow_loop_pre_header_scan): Likewise.
1269         (flow_loop_pre_header_find): Likewise.
1270         (update_latch_info): Likewise.
1271         (canonicalize_loop_headers): Likewise.
1272         (flow_loops_find): Likewise.
1273         (get_loop_body_in_bfs_order): Likewise.
1274         (get_loop_exit_edges): Likewise.
1275         (num_loop_branches): Likewise.
1276         (verify_loop_structure): Likewise.
1277         (loop_latch_edge): Likewise.
1278         (loop_preheader_edge): Likewise.
1279         * cfgloopanal.c (mark_irreducible_loops): Likewise.
1280         (expected_loop_iterations): Likewise.
1281         * cfgloopmanip.c (remove_bbs): Likewise.
1282         (fix_bb_placement): Likewise.
1283         (fix_irreducible_loops): Likewise.
1284         (remove_path): Likewise.
1285         (scale_bbs_frequencies): Likewise.
1286         (loopify): Likewise.
1287         (unloop): Likewise.
1288         (fix_loop_placement): Likewise.
1289         (loop_delete_branch_edge): Likewise.
1290         (duplicate_loop_to_header_edge): Likewise.
1291         (mfb_keep_just): Likewise.
1292         (create_preheader): Likewise.
1293         (force_single_succ_latches): Likewise.
1294         (loop_split_edge_with): Likewise.
1295         (create_loop_notes): Likewise.
1296         * cfgrtl.c (rtl_split_block): Likewise.
1297         (rtl_merge_blocks): Likewise.
1298         (rtl_can_merge_blocks): Likewise.
1299         (try_redirect_by_replacing_jump): Likewise.
1300         (force_nonfallthru_and_redirect): Likewise.
1301         (rtl_tidy_fallthru_edge): Likewise.
1302         (commit_one_edge_insertion): Likewise.
1303         (commit_edge_insertions): Likewise.
1304         (commit_edge_insertions_watch_calls): Likewise.
1305         (rtl_verify_flow_info_1): Likewise.
1306         (rtl_verify_flow_info): Likewise.
1307         (purge_dead_edges): Likewise.
1308         (cfg_layout_redirect_edge_and_branch): Likewise.
1309         (cfg_layout_can_merge_blocks_p): Likewise.
1310         (rtl_flow_call_edges_add): Likewise.
1311         * cse.c (cse_cc_succs): Likewise.
1312         * df.c (hybrid_search): Likewise.
1313         * dominance.c (calc_dfs_tree_nonrec): Likewise.
1314         (calc_dfs_tree): Likewise.
1315         (calc_idoms): Likewise.
1316         (recount_dominator): Likewise.
1317         * domwalk.c (walk_dominator_tree): Likewise.
1318         * except.c (emit_to_new_bb_before): Likewise.
1319         (connect_post_landing_pads): Likewise.
1320         (sjlj_emit_function_enter): Likewise.
1321         (sjlj_emit_function_exit): Likewise.
1322         (finish_eh_generation): Likewise.
1323         * final.c (compute_alignments): Likewise.
1324         * flow.c (calculate_global_regs_live): Likewise.
1325         (initialize_uninitialized_subregs): Likewise.
1326         (init_propagate_block_info): Likewise.
1327         * function.c (thread_prologue_and_epilogue_insns): Likewise.
1328         * gcse.c (find_implicit_sets): Likewise.
1329         (bypass_block): Likewise.
1330         (bypass_conditional_jumps): Likewise.
1331         (compute_pre_data): Likewise.
1332         (insert_insn_end_bb): Likewise.
1333         (insert_store): Likewise.
1334         (remove_reachable_equiv_notes): Likewise.
1335         * global.c (global_conflicts): Likewise.
1336         (calculate_reg_pav): Likewise.
1337         * graph.c (print_rtl_graph_with_bb): Likewise.
1338         * ifcvt.c (mark_loop_exit_edges): Likewise.
1339         (merge_if_block): Likewise.
1340         (find_if_header): Likewise.
1341         (block_jumps_and_fallthru_p): Likewise.
1342         (find_if_block): Likewise.
1343         (find_cond_trap): Likewise.
1344         (block_has_only_trap): Likewise.
1345         (find_if_case1): Likewise.
1346         (find_if_case_2): Likewise.
1347         * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Likewise.
1348         (perfect_nestify): Likewise.
1349         * lcm.c (compute_antinout_edge): Likewise.
1350         (compute_laterin): Likewise.
1351         (compute_available): Likewise.
1352         (compute_nearerout): Likewise.
1353         * loop-doloop.c (doloop_modify): Likewise.
1354         * loop-init.c (loop_optimizer_init): Likewise.
1355         * loop-invariant.c (find_exits): Likewise.
1356         * loop-iv.c (simplify_using_initial_values): Likewise.
1357         (check_simple_exit): Likewise.
1358         (find_simple_exit): Likewise.
1359         * loop-unroll.c (peel_loop_completely): Likewise.
1360         (unroll_loop_constant_iterations): Likewise.
1361         (unroll_loop_runtime_iterations): Likewise.
1362         * loop-unswitch.c (may_unswitch_on): Likewise.
1363         (unswitch_loop): Likewise.
1364         * modulo-sched.c (generate_prolog_epilog): Likewise.
1365         (sms_schedule): Likewise.
1366         * postreload-gcse.c (eliminate_partially_redundant_load):
1367         Likewise.
1368         * predict.c (can_predict_insn_p): Likewise.
1369         (set_even_probabilities): Likewise.
1370         (combine_predictions_for_bb): Likewise.
1371         (predict_loops): Likewise.
1372         (estimate_probability): Likewise.
1373         (tree_predict_by_opcode): Likewise.
1374         (tree_estimate_probability): Likewise.
1375         (last_basic_block_p): Likewise.
1376         (propagate_freq): Likewise.
1377         (estimate_loops_at_level): Likewise.
1378         (estimate_bb_frequencies): Likewise.
1379         * profile.c (instrument_edges): Likewise.
1380         (get_exec_counts): Likewise.
1381         (compute_branch_probabilities): Likewise.
1382         (branch_prob): Likewise.
1383         * ra-build.c (live_in): Likewise.
1384         * ra-rewrite.c (rewrite_program2): Likewise.
1385         * ra.c (reg_alloc): Likewise.
1386         * reg-stack.c (reg_to_stack): Likewise.
1387         (convert_regs_entry): Likewise.
1388         (compensate_edge): Likewise.
1389         (convert_regs_1): Likewise,
1390         (convert_regs_2): Likewise.
1391         (convert_regs): Likewise.
1392         * regrename.c (copyprop_hardreg_forward): Likewise.
1393         * reload1.c (fixup_abnormal_edges): Likewise.
1394         * sbitmap.c (sbitmap_intersection_of_succs): Likewise.
1395         (sbitmap_insersection_of_preds): Likewise.
1396         (sbitmap_union_of_succs): Likewise.
1397         (sbitmap_union_of_preds): Likewise.
1398         * sched-ebb.c (compute_jump_reg_dependencies): Likewise.
1399         (fix_basic_block_boundaries): Likewise.
1400         (sched_ebbs): Likewise.
1401         * sched-rgn.c (build_control_flow): Likewise.
1402         (find_rgns): Likewise.
1403         * tracer.c (find_best_successor): Likewise.
1404         (find_best_predecessor): Likewise.
1405         (tail_duplicate): Likewise.
1406         * tree-cfg.c (make_edges): Likewise.
1407         (make_ctrl_stmt_edges): Likewise.
1408         (make_goto_expr_edges): Likewise.
1409         (tree_can_merge_blocks_p): Likewise.
1410         (tree_merge_blocks): Likewise.
1411         (cfg_remove_useless_stmts_bb): Likewise.
1412         (remove_phi_nodes_and_edges_for_unreachable_block): Likewise.
1413         (tree_block_forwards_to): Likewise.
1414         (cleanup_control_expr_graph): Likewise.
1415         (find_taken_edge): Likewise.
1416         (dump_cfg_stats): Likewise.
1417         (tree_cfg2vcg): Likewise.
1418         (disband_implicit_edges): Likewise.
1419         (tree_find_edge_insert_loc): Likewise.
1420         (bsi_commit_edge_inserts): Likewise.
1421         (tree_split_edge): Likewise.
1422         (tree_verify_flow_info): Likewise.
1423         (tree_make_forwarder_block): Likewise.
1424         (tree_forwarder_block_p): Likewise.
1425         (thread_jumps): Likewise.
1426         (tree_try_redirect_by_replacing_jump): Likewise.
1427         (tree_split_block): Likewise.
1428         (add_phi_args_after_copy_bb): Likewise.
1429         (rewrite_to_new_ssa_names_bb): Likewise.
1430         (dump_function_to_file): Likewise.
1431         (print_pred_bbs): Likewise.
1432         (print_loop): Likewise.
1433         (tree_flow_call_edges_add): Likewise.
1434         (split_critical_edges): Likewise.
1435         (execute_warn_function_return): Likewise.
1436         (extract_true_false_edges_from_block): Likewise.
1437         * tree-if-conv.c (tree_if_conversion): Likewise.
1438         (if_convertable_bb_p): Likewise.
1439         (find_phi_replacement_condition): Likewise.
1440         (combine_blocks): Likewise.
1441         * tree-into-ssa.c (compute_global_livein): Likewise.
1442         (ssa_mark_phi_uses): Likewise.
1443         (ssa_rewrite_initialize_block): Likewise.
1444         (rewrite_add_phi_arguments): Likewise.
1445         (ssa_rewrite_phi_arguments): Likewise.
1446         (insert_phi_nodes_for): Likewise.
1447         (rewrite_into_ssa): Likewise.
1448         (rewrite_ssa_into_ssa): Likewise.
1449         * tree-mudflap.c (mf_build_check_statement_for): Likewise.
1450         * tree-outof-ssa.c (coalesce_abnormal_edges): Likewise.
1451         (rewrite_trees): Likewise.
1452         * tree-pretty-print.c (dump_bb_header): Likewise.
1453         (dump_implicit_edges): Likewise.
1454         * tree-sra.c (insert_edge_copies): Likewise.
1455         (find_obviously_necessary_stmts): Likewise.
1456         (remove_data_stmt): Likewise.
1457         * tree-ssa-dom.c (thread_across_edge): Likewise.
1458         (dom_opt_finalize_block): Likewise.
1459         (single_incoming_edge_ignoring_loop_edges): Likewise.
1460         (record_equivalences_from_incoming_edges): Likewise.
1461         (cprop_into_successor_phis): Likewise.
1462         * tree-ssa-live.c (live_worklist): Likewise.
1463         (calculate_live_on_entry): Likewise.
1464         (calculate_live_on_exit): Likewise.
1465         * tree-ssa-loop-ch.c (should_duplicate_loop_header_p): Likewise.
1466         (copy_loop_headers): Likewise.
1467         * tree-ssa-loop-im.c (loop_commit_inserts): Likewise.
1468         (fill_always_executed_in): Likewise.
1469         * tree-ssa-loop-ivcanon.c (create_canonical_iv): Likewise.
1470         * tree-ssa-loop-ivopts.c (find_interesting_uses): Likewise.
1471         (compute_phi_arg_on_exit): Likewise.
1472         * tree-ssa-loop-manip.c (add_exit_phis_edge): Likewise.
1473         (get_loops_exit): Likewise.
1474         (split_loop_exit_edge): Likewise.
1475         (ip_normal_pos): Likewise.
1476         * tree-ssa-loop-niter.c (simplify_using_initial_conditions):
1477         Likewise.
1478         * tree-ssa-phiopt.c (candidate_bb_for_phi_optimization): Likewise.
1479         (replace_phi_with_stmt): Likewise.
1480         (value_replacement): Likewise.
1481         * tree-ssa-pre.c (compute_antic_aux): Likewise.
1482         (insert_aux): Likewise.
1483         (init_pre): Likewise.
1484         * tree-ssa-propagate.c (simulate_stmt): Likewise.
1485         (simulate_block): Likewise.
1486         (ssa_prop_init): Likewise.
1487         * tree-ssa-threadupdate.c (thread_block): Likewise.
1488         (create_block_for_threading): Likewise.
1489         (remove_last_stmt_and_useless_edges): Likewise.
1490         * tree-ssa.c (verify_phi_args): Likewise.
1491         (verify_ssa): Likewise.
1492         * tree_tailcall.c (independent_of_stmt_p): Likewise.
1493         (find_tail_calls): Likewise.
1494         (eliminate_tail_call): Likewise.
1495         (tree_optimize_tail_calls_1): Likewise.
1496         * tree-vectorizer.c (vect_transform_loop): Likewise.
1497         * var-tracking.c (prologue_stack_adjust): Likewise.
1498         (vt_stack_adjustments): Likewise.
1499         (vt_find_locations): Likewise.
1500         * config/frv/frv.c (frv_ifcvt_modify_tests): Likewise.
1501         * config/i386/i386.c (ix86_pad_returns): Likewise.
1502         * config/ia64/ia64.c (ia64_expand_prologue): Likewise.
1503         * config/rs6000/rs6000.c (rs6000_emit_prologue): Likewise.
1504
1505 2004-09-28  Eric Botcazou  <ebotcazou@libertysurf.fr>
1506
1507         PR target/16532
1508         * config/sparc/sparc.c (struct machine_function): New field
1509         'leaf_function_p' and 'prologue_data_valid_p'.
1510         (sparc_leaf_function_p, sparc_prologue_data_valid_p): New macro
1511         to conveniently access the above fields.
1512         (TARGET_LATE_RTL_PROLOGUE_EPILOGUE): Delete.
1513         (eligible_for_return_delay): Use 'sparc_leaf_function_p' instead
1514         of the generic flavor 'current_function_uses_only_leaf_regs'.
1515         (eligible_for_sibcall_delay): Likewise.
1516         (sparc_expand_prologue): Compute 'sparc_leaf_function_p' and set
1517         'sparc_prologue_data_valid_p'.  Use 'sparc_leaf_function_p'.
1518         (sparc_asm_function_prologue): Add sanity check for the assumption
1519         made in 'sparc_expand_prologue'.  Use 'sparc_leaf_function_p'.
1520         (sparc_can_use_return_insn_p): New function.
1521         (sparc_expand_epilogue): Use 'sparc_leaf_function_p'.
1522         (output_restore): Likewise.
1523         (output_sibcall): Likewise.
1524         (sparc_output_mi_thunk): Likewise.
1525         * config/sparc/sparc-protos.h (sparc_can_use_return_insn_p): Declare.
1526         * config/sparc/sparc.md (return): New expander.
1527
1528         * config/sparc/sparc.h (INITIAL_ELIMINATION_OFFSET): Minor tweak.
1529
1530 2004-09-27  Mark Mitchell  <mark@codesourcery.com>
1531
1532         PR c++/17642
1533         * stor-layout.c (layout_decl): Use fold_convert, not convert.
1534         (bit_from_pos): Likewise.
1535         (byte_from_pos): Likewise.
1536         (pos_from_bit): Likewise.
1537         (normalize_offset): Likewise.
1538         (place_field): Likewise.
1539         (finalize_type_size): Likewise.
1540         (layout_type): Likewise.
1541         * tree.c (build_index_type): Likewise.
1542
1543 2004-09-27  Devang Patel  <dpatel@apple.com>
1544
1545         * expr.c (expand_expr_real_1): Handle VEC_COND_EXPR.
1546         * genopinit.c (optabs): New entry for vcond_gen_code and
1547         vcondu_gen_code.
1548         * optabs.c (vcond_gen_code, vcondu_gen_code): New optabs.
1549         (get_rtx_code): New function.
1550         (vector_compare_rtx): New function.
1551         (init_optabs): Initialize vcond_gen_code and vcondu_gen_code.
1552         (expand_vec_cond_expr_p): New function.
1553         (expand_vec_cond_expr): New function.
1554         (get_vcond_icode): New function.
1555         * optabs.h (expand_vec_cond_expr, expand_vec_cond_expr_p): New externs.
1556         (vcond_gen_code, vcondu_gen_code): Same.
1557
1558 2004-09-27  Kelley Cook  <kcook@gcc.gnu.org>
1559
1560         * Makefile.in (STAGESTUFF): Split into ...
1561         (STAGECOPYSTUFF, STAGEMOVESTUFF): ... these.
1562         (mostlyclean): Update.
1563         (stage1-start, stage2-start, stage3-start, stage4-start,
1564         stageprofile-start, stagefeedback-start): Copy the STAGECOPYSTUFF.
1565         Move the STAGEMOVESTUFF.
1566
1567 2004-09-27  Eric Botcazou  <ebotcazou@libertysurf.fr>
1568
1569         * system.h (getpagesize): Return 'int' instead of 'long'.
1570
1571 2004-09-27  Michael Matz <matz@suse.de>
1572
1573         PR bootstrap/17698
1574         PR bootstrap/17702
1575         * bitmap.h (bmp_iter_single_init, bmp_iter_and_not_init,
1576         bmp_iter_and_init): Shift by bit_in_word.
1577
1578 2004-09-27  Kelley Cook  <kcook@gcc.gnu.org>
1579
1580         * aclocal.m4: Quote m4_includes. Include ../config/gcc-lib-path.m4.
1581         * configure.ac: Don't sinclude it here.
1582         * configure: Regenerate.
1583
1584 2004-09-27  Dorit Naishlos  <dorit@il.ibm.com>
1585
1586         * config/rs6000/rs6000.c (rs6000_legitimate_address, print_operand):
1587         Handle AND pattern
1588
1589 2004-09-27  Joseph S. Myers  <jsm@polyomino.org.uk>
1590
1591         PR c/13804
1592         * c-typeck.c (build_component_ref): Name type involved in
1593         diagnostic for structure or union without a member of the given
1594         name.
1595
1596 2004-09-27  DJ Delorie  <dj@redhat.com>
1597
1598         * config/stormy16/stormy16.c (xstormy16_asm_output_aligned_common):
1599         .comm alignment is bytes, not bits.
1600
1601 2004-09-27  Devang Patel  <dpatel@apple.com>
1602
1603         * tree-pretty-print.c (dump_generic_node): Print VEC_COND_EXPR.
1604         (print_call_name): Do not print VEC_COND_EXPR.
1605
1606 2004-09-27  Devang Patel  <dpatel@apple.com>
1607
1608         * tree-pretty-print.c (dump_generic_node): Print VEC_COND_EXPR.
1609
1610 2004-09-27  Jan Hubicka  <jh@suse.cz>
1611
1612         * i386.c (athlon_cost, k8_cost): Set BRANCH_COST to 5.
1613
1614 2004-09-27  Kazu Hirata  <kazu@cs.umass.edu>
1615
1616         * bitmap.h: Fix a comment typo.
1617
1618 2004-09-27  Aaron W. LaFramboise <aaronraolete36@aaronwl.com>
1619
1620         * libgcc2.c (getpagesize): Change type of return value to int.
1621
1622 2004-09-26  Matt Austern  <austern@apple.com>
1623
1624         * ggc-page.c (GGC_QUIRE_SIZE): Bump up from 16 to 256 if we're
1625         using mmap.
1626
1627 2004-09-26  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
1628
1629         * bitmap.h (EXECUTE_IF_SET_IN_BITMAP, EXECUTE_IF_AND_COMPL_IN_BITMAP,
1630         EXECUTE_IF_AND_IN_BITMAP): Changed to iterator style.
1631         (bitmap_iterator): New type.
1632         (bmp_iter_common_next_1, bmp_iter_single_next_1, bmp_iter_single_init,
1633         bmp_iter_end_p, bmp_iter_single_next, bmp_iter_and_not_next_1,
1634         bmp_iter_and_not_init, bmp_iter_and_not_next, bmp_iter_and_next_1,
1635         bmp_iter_and_init, bmp_iter_and_next): New functions.
1636         * basic-block.h (EXECUTE_IF_SET_IN_REG_SET,
1637         EXECUTE_IF_AND_COMPL_IN_REG_SET, EXECUTE_IF_AND_IN_REG_SET): Changed to
1638         use iterator-style EXECUTE_IF_IN_BITMAP macros.
1639         * bitmap.c (bitmap_print): Ditto.
1640         * bt-load.c (clear_btr_from_live_range, add_btr_to_live_range,
1641         btr_def_live_range): Ditto.
1642         * cfganal.c (compute_dominance_frontiers_1) Ditto.
1643         * cgraphunit.c (convert_UIDs_in_bitmap, cgraph_characterize_statics):
1644         Ditto.
1645         * ddg.c (build_inter_loop_deps): Ditto.
1646         * df.c (FOR_EACH_BB_IN_BITMAP, df_bb_reg_info_compute, df_refs_update):
1647         Ditto.
1648         * except.c (remove_eh_handler): Ditto.
1649         * flow.c (reg_set_to_hard_reg_set): Ditto.
1650         * gcse.c (clear_modify_mem_tables): Ditto.
1651         * global.c (build_insn_chain): Ditto.
1652         * ifcvt.c (dead_or_predicable): Ditto.
1653         * loop-invariant.c (get_inv_cost, set_move_mark, move_invariant_reg):
1654         Ditto.
1655         * ra-build.c (livethrough_conflicts_bb, conflicts_between_webs): Ditto.
1656         * ra-rewrite.c (reloads_to_loads, rewrite_program2,
1657         detect_web_parts_to_rebuild, delete_useless_defs, actual_spill): Ditto.
1658         * tree-cfg.c (allocate_ssa_names, tree_duplicate_sese_region,
1659         tree_purge_all_dead_eh_edges): Ditto.
1660         * tree-into-ssa.c (compute_global_livein, insert_phi_nodes,
1661         insert_phi_nodes_for, debug_def_blocks_r, invalidate_name_tags,
1662         rewrite_ssa_into_ssa): Ditto.
1663         * tree-outof-ssa.c (find_replaceable_exprs): Ditto.
1664         * tree-sra.c (scan_function, decide_instantiations, scalarize_parms):
1665         Ditto.
1666         * tree-ssa-alias.c (init_alias_info, compute_points_to_and_addr_escape,
1667         compute_flow_sensitive_aliasing, maybe_create_global_var,
1668         dump_points_to_info_for): Ditto.
1669         * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Ditto.
1670         * tree-ssa-dse.c (dse_finalize_block): Ditto.
1671         * tree-ssa-live.c (live_worklist, calculate_live_on_entry,
1672         calculate_live_on_exit, build_tree_conflict_graph, dump_live_info):
1673         Ditto.
1674         * tree-ssa-loop-ivopts.c (find_induction_variables,
1675         find_interesting_uses, add_old_ivs_candidates, alloc_use_cost_map,
1676         determine_use_iv_costs, determine_set_costs, find_best_candidate,
1677         set_cost_up_to, create_new_ivs, remove_unused_ivs, free_loop_data):
1678         Ditto.
1679         * tree-ssa-loop-manip.c (add_exit_phis_var, add_exit_phis): Ditto.
1680         * tree-ssa-operands.c (get_asm_expr_operands, add_call_clobber_ops,
1681         add_call_read_ops): Ditto.
1682         * tree-ssa-pre.c (bitmap_print_value_set, insert_aux): Ditto.
1683
1684 2004-09-26  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1685
1686         * pa.c (print_operand): Use non-trapping completers for UNLE, UNLT,
1687         UNGE, UNGT, UNEQ, UNORDERED and ORDERED comparisons.
1688
1689 2004-09-26  Ulrich Weigand  <uweigand@de.ibm.com>
1690
1691         * builtins.c (expand_builtin_memcmp): Adjust MEM_SIZE to
1692         reflect size of memory regions being compared.
1693
1694 2004-09-26  Ulrich Weigand  <uweigand@de.ibm.com>
1695
1696         * builtins.c (get_memory_rtx): Set mem attributes for non-ADDR_EXPR
1697         expressions.  Always clear MEM_SIZE and alias set.
1698
1699 2004-09-26  Roger Sayle  <roger@eyesopen.com>
1700             Giovanni Bajo  <giovannibajo@gcc.gnu.org>
1701
1702         PR middle-end/17112
1703         * stor-layout.c (compute_record_mode): For records with a single
1704         field, only use the field's mode if its size matches what we'd
1705         have choosen for the record ourselves.  This forces the use of
1706         BLKmode for packed records that don't completely fill a mode.
1707
1708 2004-09-26  Roger Sayle  <roger@eyesopen.com>
1709
1710         PR middle-end/17151
1711         * combine.c (force_to_mode): Remove dubious early return test that
1712         inhibits further optimization.
1713
1714 2004-09-26  Kazu Hirata  <kazu@cs.umass.edu>
1715
1716         * profile.c: Fix a comment typo.
1717
1718 2004-09-26  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
1719
1720         PR bootstrap/17591
1721         * tree-ssa-loop-im.c (for_each_index): Call callback for component_refs
1722         with varying offset.
1723         * tree-ssa-loop-ivopts.c (abnormal_ssa_name_p): New function.
1724         (idx_contains_abnormal_ssa_name_p): Scan step and lower bound for
1725         ARRAY_REFS.
1726         (expr_invariant_in_loop_p): New function.
1727         (idx_find_step): Handle step and lower bound for ARRAY_REFs.  Handle
1728         component_ref_field_offset for COMPONENT_REFs.  Do not allow
1729         ALIGN_INDIRECT_REFs and MISALIGNED_INDIRECT_REFs.
1730         (add_address_candidates): Do not handle ALIGN_INDIRECT_REFs and
1731         MISALIGNED_INDIRECT_REFs.
1732         (idx_remove_ssa_names): Handle step and lower bound for ARRAY_REFs.
1733         (rewrite_address_base): Do not handle ALIGN_INDIRECT_REFs and
1734         MISALIGNED_INDIRECT_REFs.
1735
1736 2004-09-26  Joseph S. Myers  <jsm@polyomino.org.uk>
1737
1738         PR c/11459
1739         * gcc.c (cpp_options, cc1_options): Preserve relative order of
1740         -std and -ansi options.
1741
1742 2004-09-26  Jan Hubicka  <jh@suse.cz>
1743
1744         * dwarf2out.c (dwarf2out_finish): Set parent to comp_unit_die
1745         for nested functions whose proper parent has not been output.
1746
1747         * profile.c (compute_branch_probabilities): Use REG_BR_PROB notes
1748         when re-constructing profile previously invalidated by loop.
1749
1750 2004-09-25  Dale Johannesen  <dalej@apple.com>
1751
1752         * tree-gimple.c:  Move GIMPLE definition...
1753         * doc/tree-ssa.texi:  here.
1754
1755 2004-09-25  Kazu Hirata  <kazu@cs.umass.edu>
1756
1757         * tree-vectorizer.c: Fix a comment typo.
1758
1759 2004-09-25  Kazu Hirata  <kazu@cs.umass.edu>
1760
1761         * c-typeck.c, defaults.h, dwarf.h, dwarf2out.c, fold-const.c,
1762         gthr-dce.h, gthr-posix.h, gthr-solaris.h, gthr-win32.h,
1763         lambda-code.c, lambda-mat.c, libgcc2.c, stmt.c,
1764         tree-ssa-pre.c, tree-vn.c, tree.h: Fix comment formatting.
1765
1766 2004-09-25  Kazu Hirata  <kazu@cs.umass.edu>
1767
1768         * tree-ssa-loop-unswitch.c: Fix a comment typo.
1769
1770 2004-09-25  Kazu Hirata  <kazu@cs.umass.edu>
1771
1772         * doc/passes.texi: Fix a typo.
1773
1774 2004-09-25  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
1775
1776         * tree-optimize.c (init_tree_optimization_passes): Add
1777         pass_record_bounds.
1778         * tree-pass.h (pass_record_bounds): Declare.
1779         * tree-ssa-loop.c (tree_ssa_loop_bounds, pass_record_bounds):
1780         New pass.
1781
1782 2004-09-25  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
1783
1784         PR tree-optimization/17474
1785         * tree-ssa-ccp.c (maybe_fold_offset_to_component_ref): Determine
1786         offset of the field correctly when DECL_FIELD_BIT_OFFSET != 0.
1787
1788 2004-09-25  Jan Hubicka  <jh@suse.cz>
1789
1790         * predict.c (counts_to_freqs): Make global.
1791         * predict.h (counts_to_freqa): Declare.
1792         * profile.c (compute_branch_probabilities): Compute frequencies
1793         * tree-profile.c (do_tree_profiling): Refine conditional on when
1794         tree profiling pass is needed.
1795
1796         * passes.c (rest_of_handle_cfg): Disable const/pure function
1797         detection when doing tree based profiling.
1798
1799         * tree-inline.c (expand_call_inline): Fix incorrectly reversed
1800         conditional.
1801
1802 2004-09-25  Richard Sandiford  <rsandifo@redhat.com>
1803
1804         * config/mips/mips.h (struct mips_args): Clarify comments.
1805         * config/mips/mips.c (struct mips_arg_info): Likewise.
1806         (mips_arg_info): Don't allow fpr_p to affect the register or
1807         stack alignment.  Remove o64 silliness.
1808         (function_arg): Deal with the o32 float,float case specially.
1809
1810 2004-09-25  Richard Sandiford  <rsandifo@redhat.com>
1811
1812         * config/mips/mips.md (loadx, storex): Define for V2SF.
1813
1814 2004-09-25  Ulrich Weigand  <uweigand@de.ibm.com>
1815
1816         * config/s390/s390-protos.h (s390_back_chain_rtx): Add prototype.
1817         * config/s390/s390.c (s390_back_chain_rtx): New function.
1818         * config/s390/s390.md ("allocate_stack"): Use s390_back_chain_rtx.
1819         Call anti_adjust_stack.
1820         ("restore_stack_block"): Use s390_back_chain_rtx.  Enable pattern
1821         only if compiling with back chain.
1822         ("save_stack_nonlocal", "restore_stack_nonlocal"): Save/restore
1823         back chain only if back chain enabled.  Use s390_back_chain_rtx.
1824
1825 2004-09-25  Joseph S. Myers  <jsm@polyomino.org.uk>
1826
1827         * doc/trouble.texi: Remove obsolete information.  Update
1828         information on how to regenerate fixincluded headers.
1829
1830 2004-09-25  Joseph S. Myers  <jsm@polyomino.org.uk>
1831
1832         PR c/12951
1833         * doc/invoke.texi: Document that
1834         -Wno-error-implicit-function-declaration is not accepted.
1835
1836 2004-09-24  Richard Henderson  <rth@redhat.com>
1837
1838         * config/alpha/alpha.h (UNITS_PER_SIMD_WORD): New.
1839         * config/alpha/alpha.c (alpha_vector_mode_supported_p): Don't depend
1840         on TARGET_MAX.
1841         (alpha_expand_mov): Allow unaligned vectors.
1842         (alpha_expand_unaligned_store): Use CONST0_RTX.
1843         (TARGET_VECTORIZE_MISALIGNED_MEM_OK): New.
1844
1845 2004-09-24 Jeff Law  <law@redhat.com>
1846
1847         * tree-ssa-dom.c (dom_opt_finalize_block): Fix violation of strict
1848         aliasing rules.
1849         (simplify_cond_and_lookup_avail_expr): Likewise.
1850
1851 2004-09-24  Joseph S. Myers  <jsm@polyomino.org.uk>
1852
1853         PR c/12802
1854         * doc/extend.texi (Unnamed Fields): Remove "." from end of long
1855         title.  Document interaction with -fms-extensions.
1856         * doc/invoke.texi (-fms-extensions): Refer to Unnamed Fields
1857         section.
1858
1859 2004-09-24  Joseph S. Myers  <jsm@polyomino.org.uk>
1860
1861         PR c/12713
1862         * doc/extend.texi: Document interaction of attribute noreturn and
1863         longjmp.
1864
1865 2004-09-24  Richard Henderson  <rth@redhat.com>
1866
1867         PR rtl-opt/17503
1868         * regclass.c (subregs_of_mode): Turn into an htab.  Make static.
1869         (som_hash, som_eq): New.
1870         (init_subregs_of_mode, record_subregs_of_mode): New.
1871         (cannot_change_mode_set_regs): Rewrite for htab implementation.
1872         (invalid_mode_change_p): Likewise.
1873         * combine.c (gen_lowpart_for_combine): Use record_subregs_of_mode.
1874         * flow.c (mark_used_regs): Likewise.
1875         (life_analysis): Use init_subregs_of_mode.
1876         * regs.h (subregs_of_mode): Remove.
1877         * rtl.h (init_subregs_of_mode, record_subregs_of_mode): Declare.
1878
1879 2004-09-24  Andrew Pinski  <pinskia@physics.uc.edu>
1880
1881         * tree-ssa-phiopt.c (conditional_replacement): Use the correct
1882         type with the copy of the conditional.
1883
1884 2004-09-24  Andrew Pinski  <pinskia@physics.uc.edu>
1885
1886         PR tree-opt/16954
1887         * tree-ssa-copyrename.c (copy_rename_partition_coalesce):
1888         Prevent renaming if the aliasing sets of the type which the
1889         pointer points to are different.
1890
1891 2004-09-24  Joseph S. Myers  <jsm@polyomino.org.uk>
1892
1893         PR c/17188
1894         * c-decl.c (diagnose_mismatched_decls): Check for duplicate
1895         declarations of enumerators.
1896         (start_struct): Check TYPE_SIZE rather than TYPE_FIELDS to check
1897         for redefinition.  Check for nested redefinition.
1898         (finish_struct): Don't check for nested redefinition.
1899         (start_enum): Check for nested redefinition.
1900
1901 2004-09-24  Devang Patel  <dpatel@apple.com>
1902
1903         * tree-if-conv.c (tree_if_convert_cond_expr0: Create temp. variable
1904         only when necesssary.
1905         (combine_blocks): Combine loop header and exit block.
1906
1907 2004-09-24  Paolo Bonzini  <bonzini@gnu.org>
1908
1909         * hooks.c (hook_tree_tree_bool_null): New.
1910         * hooks.h (hook_tree_tree_bool_null): Declare it.
1911         * target-def.c (TARGET_FOLD_BUILTIN): Point to it.
1912         * targhooks.c (default_fold_builtin): Remove.
1913         * targhooks.h (default_fold_builtin): Remove.
1914
1915 2004-09-24  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
1916
1917         PR rtl-optimization/17625
1918         * loop-doloop.c (doloop_modify): Unshare rtl before emitting it.
1919
1920 2004-09-24  Andrew Pinski  <pinskia@physics.uc.edu>
1921
1922         PR tree-opt/17624
1923         * tree-ssa-forwprop.c (record_single_argument_cond_exprs):
1924         Reject if any of the operands occur in an abnormal PHI.
1925
1926 2004-09-24  Andreas Schwab  <schwab@suse.de>
1927
1928         * tree-ssa-dom.c (record_range): Fix violation of strict aliasing
1929         rules.
1930
1931 2004-09-24  Eric Botcazou  <ebotcazou@libertysurf.fr>
1932
1933         * config.gcc (sparc64-*-solaris2*): Include sparc/sol2-gas.h
1934         if the GNU assembler is used.
1935         (sparc-*-solaris2*): Likewise.
1936         * dbxout.c (NO_DBX_BNSYM_ENSYM): Default to zero.
1937         (dbxout_function_end): Protect N_ENSYM with it.
1938         (dbxout_begin_prologue): Protect N_BNSYM with it.
1939         * doc/tm.texi (NO_DBX_BNSYM_ENSYM): Document it.
1940         * config/sparc/sol2.h (NO_DBX_BNSYM_ENSYM): Define to 1.
1941         * config/sparc/sol2-gas.h: New file.
1942
1943 2004-09-23  H.J. Lu  <hongjiu.lu@intel.com>
1944
1945         PR bootstrap/17369
1946         * Makefile.in (@set_gcc_lib_path@): Added.
1947
1948         * configure.ac: Include ../config/gcc-lib-path.m4. Use
1949         TL_AC_GNU_MAKE_GCC_LIB_PATH.
1950         * configure: Regenerated.
1951
1952 2004-09-24  Joseph S. Myers  <jsm@polyomino.org.uk>
1953
1954         PR c/6980
1955         * c-typeck.c (build_c_cast): Improve wording of
1956         -Wbad-function-cast diagnostic.
1957
1958 2004-09-23  Hans-Peter Nilsson  <hp@axis.com>
1959
1960         PR target/17626
1961         * config/cris/cris.md (moverside, movemside): Rename variable
1962         "reg" to "otherop".  To generate canonical RTX, check that otherop
1963         isn't constant instead of checking that operand 1 is a register.
1964
1965 2004-09-23  Jakub Jelinek  <jakub@redhat.com>
1966
1967         * tree-ssa-propagate.c (set_rhs): Fail if EXPR is COMPOUND_EXPR.
1968
1969 2004-09-23  Diego Novillo  <dnovillo@redhat.com>
1970             Jakub Jelinek  <jakub@redhat.com>
1971
1972         * tree-flow.h (find_new_referenced_vars): Add prototype.
1973         * tree-sra.c (find_new_referenced_vars_1, find_new_referenced_vars):
1974         Move to...
1975         * tree-dfa.c (find_new_referenced_vars_1, find_new_referenced_vars):
1976         ... here.
1977         (mark_new_vars_to_rename): Walk through all operands.
1978         * tree-ssa-ccp.c (convert_to_gimple_builtin): New function.
1979         (execute_fold_all_builtins): Use it.
1980         (pass_fold_builtins): Add TODO_rename_vars to todo_flags_finish.
1981
1982 2004-09-23  P.J. Darcy  <darcypj@us.ibm.com>
1983
1984         * gthr-tpf.h: New file.
1985         * config.gcc (s390x-ibm-tpf*): Add thread_file='tpf'.
1986         * gthr.h: Use gthr-tpf.h on TPF OS.
1987
1988 2004-09-23 Jeff Law  <law@redhat.com>
1989
1990         * tree-ssa-ccp.c (get_default_value): Use SSA_NAME_VALUE rather
1991         than SSA_NAME_EQUIV and SET_SSA_NAME_EQUIV.
1992         (substitute_and_fold):  Likewise.
1993         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Remove everything
1994         except invariants from SSA_NAME_VALUE.
1995         (thread_across_edge): Use SSA_NAME_VALUE rather than SSA_NAME_EQUIV
1996         and SET_SSA_NAME_EQUIV.
1997         (restore_vars_to_original_value, record_const_or_copy): Likewise.
1998         (record_equivalences_from_phis, record_const_or_copy_1): Likewise.
1999         (record_equality, cprop_into_successor_phis): Likewise.
2000         (record_equivalences_from_stmt, cprop_operand): Likewise.
2001         (lookup_avail_expr): Likewise.
2002         * tree-ssa-pre.c (fini_pre): Remove everything except invariants
2003         from SSA_NAME_VALUE.
2004         * tree.h (SSA_NAME_EQUIV, SET_SSA_NAME_EQUIV): Kill.
2005         (struct tree_ssa_name):  Kill EQUIV field.  Remove GGC skip
2006         annotation from the VALUE_HANDLE field.
2007
2008 2004-09-21 Fariborz Jahanian <fjahanian@apple.com>
2009
2010         PR c++/13989
2011         PR c++/9844
2012         * tree.c (reconstruct_complex_type): Remove extra "this".
2013         * config/rs6000/rs6000.c (rs6000_handle_altivec_attribute):
2014         Add V4SFmode to case statement.
2015
2016 2004-09-23  Joseph S. Myers  <jsm@polyomino.org.uk>
2017
2018         PR c/16833
2019         * doc/extend.texi, doc/invoke.texi: Document interaction of
2020         -fno-builtin with format checks.  Note that built-in functions
2021         have effects beyond generating code that avoids calls to those
2022         functions.
2023
2024 2004-09-23  Frank Ch. Eigler <fche@redhat.com>
2025
2026         PR tree-optimization/17533
2027         * dominance.c (verify_dominators): Tolerate even more incorrect
2028         dominance data during error message printing.
2029         * tree-mudflap.c (mf_build_check_statement_for): Build basic blocks
2030         and edges more correctly.
2031
2032 2004-09-23  Dorit Naishlos <dorit@il.ibm.com>
2033
2034         * tree.def (ALIGN_INDIRECT_REF, MISALIGNED_INDIRECT_REF):
2035         New tree-codes.
2036         * tree.h (REF_ORIGINAL): Consider ALIGN_INDIRECT_REF and
2037         MISALIGNED_INDIRECT_REF.
2038         * alias.c (get_alias_set, nonoverlapping_memrefs_p): Likewise.
2039         * emit-rtl.c (mem_expr_equal_p, set_mem_attributes_minus_bitpos):
2040         Likewise.
2041         * expr.c (safe_from_p, expand_expr_real_1, rewrite_address_base)
2042         (find_interesting_uses_address): Likewise.
2043         * fold-const.c (non_lvalue, operand_equal_p): Likewise.
2044         (build_fold_addr_expr_with_type): Likewise.
2045         * gimplify.c (gimplify_addr_expr, gimplify_expr): Likewise.
2046         * print-rtl.c (print_mem_expr): Likewise.
2047         * tree-dump.c (dequeue_and_dump): Likewise.
2048         * tree-eh.c (tree_could_trap_p): Likewise.
2049         * tree-gimple.c (is_gimple_addressable, get_base_address): Likewise.
2050         * tree-pretty-print.c (op_prio, op_symbol, dump_generic_node): Likewise.
2051         * tree-ssa-alias.c (find_ptr_dereference, ptr_is_dereferenced_by):
2052         Likewise.
2053         * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Likewise.
2054         * tree-ssa-dom.c (record_equivalences_from_stmt): Likewise.
2055         * tree-ssa-loop-im.c (for_each_index, is_call_clobbered_ref): Likewise.
2056         * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Likewise.
2057         (add_address_candidates, rewrite_address_base): Likewise.
2058         * tree-ssa-operands.c (get_expr_operands, get_indirect_ref_operands):
2059         Likewise.
2060         * tree.c (staticp, build1_stat): Likewise.
2061
2062         * tree.def (REALIGN_LOAD_EXPR, REALIGN_STORE_EXPR): New tree-codes.
2063         * tree-pretty-print.c (dump_generic_node): Consider REALIGN_LOAD_EXPR.
2064         * tree-ssa-operands.c (get_expr_operands): Likewise.
2065         * expr.c (expand_expr_real_1): Likewise.
2066
2067         * optabs.h (vec_realign_store_optab, vec_realign_load_optab): New
2068         optabs.
2069         (OTI_vec_realign_store, OTI_vec_realign_load): New optab_index values
2070         for the new optabs.
2071         (expand_ternary_op): New function.
2072         * genopinit.c (optabs): Handle the new optabs.
2073         * optabs.c (optab_for_tree_code): Add cases for the new tree-codes.
2074         (init_optabs): Initialize vec_realign_load_optab.
2075         (expand_ternary_op): New functions.
2076
2077         * target-def.h (TARGET_VECTORIZE): New member for struct gcc_target.
2078         (TARGET_VECTORIZE_MISALIGNED_MEM_OK): New member for targetm.vectorize.
2079         (TARGET_VECTORIZE_BUILTIN_MASK_FOR_LOAD): Likewise.
2080         (TARGET_VECTORIZE_BUILTIN_MASK_FOR_STORE): Likewise.
2081         * target.h (struct vectorize): New member for struct gcc_target.
2082         (misaligned_mem_ok): New member for targetm.vectorize.
2083         (builtin_mask_for_load): Likewise.
2084         (builtin_mask_for_store): Likewise.
2085         * targethooks.c (default_vect_misaligned_mem_ok): New function.
2086         * targethooks.h (default_vect_misaligned_mem_ok): New function.
2087
2088         * config/rs6000/altivec.md (build_vector_mask_for_load): New
2089         define_expand.
2090         (vec_realign_load_v4si, vec_realign_load_v4sf, vec_realign_load_v8hi)
2091         (vec_realign_load_v16qi): New define_insn.
2092         * config/rs6000/rs6000.h (ALTIVEC_BUILTIN_MASK_FOR_LOAD):
2093         (ALTIVEC_BUILTIN_MASK_FOR_STORE): New target builtins.
2094         * config/rs6000/rs6000.c (altivec_builtin_mask_for_load):
2095         (altivec_builtin_mask_for_store): New variables.
2096         (rs6000_builtin_mask_for_load): New function. Implements
2097         TARGET_VECTORIZE_BUILTIN_MASK_FOR_LOAD.
2098         (rs6000_builtin_mask_for_store): New function. Implements
2099         TARGET_VECTORIZE_BUILTIN_MASK_FOR_STORE.
2100         (rs6000_expand_builtin): Expand the target builtins
2101         builtin_mask_for_load and builtin_mask_for_store.
2102         (altivec_init_builtins): Initialize the new target builtins.
2103         * config/i386/i386.c (ix86_misaligned_mem_ok): New function.
2104         Implements the target hook TARGET_VECTORIZE_MISALIGNED_MEM_OK.
2105
2106         * tree-vectorizer.c (vect_create_data_ref): Renamed to
2107         vect_create_data_ref_ptr. Returns a pointer instead of an array-ref.
2108         (vect_create_addr_base_for_vector_ref): Additional argument (offset).
2109         (vectorizable_store): Call vect_create_data_ref_ptr with additional
2110         arguments, and create an indirect_ref with its return value data_ref.
2111         Check aligned_access_p.
2112         (vectorizable_load): Handle misaligned loads, using software-pipelined
2113         scheme with REALIGN_LOAD_EXPR and ALIGN_INDIRECT_REF if
2114         vec_realign_load_optab is supported, or using a scheme without
2115         software-pipelining with MISALIGNED_INDIRECT_REF if the target hook
2116         misaligned_mem_ok is supported.
2117
2118         (vect_finish_stmt_generation): Typo.
2119         (vect_enhance_data_refs_alignment): Rename loop_vinfo to loop_info.
2120         (vect_analyze_data_refs_alignment): Don't fail vectorization in the
2121         presence of misaligned loads.
2122         (vect_analyze_data_ref_access): Add check for constant init.
2123         (vect_get_symbl_and_dr): Remove duplicate line.
2124         * tree-vectorizer.h (DR_MISALIGNMENT): Add comment.
2125
2126 2004-09-23  Kazu Hirata  <kazu@cs.umass.edu>
2127
2128         * builtins.c: Fix a comment typo.
2129
2130 2004-09-23  Jan Hubicka  <jh@suse.cz>
2131
2132         * profile.c (branch_prob): Do not verify flow info in the middle of the
2133         pass.
2134
2135 2004-09-23  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
2136
2137         * cfgloop.h (update_single_exits_after_duplication): Declare.
2138         (loopify, split_loop_bb): Declaration changed.
2139         * cfgloopmanip.c (split_loop_bb): Take void * as an argument instead
2140         of rtx.
2141         (loopify): Added redirect_all_edges argument.
2142         (update_single_exits_after_duplication): Export.
2143         * loop-unswitch.c (unswitch_loop): Changed due to loopify change.
2144         * tree-flow.h (tree_duplicate_loop_to_header_edge,
2145         tree_ssa_loop_version): Declare.
2146         * tree-ssa-loop-manip.c (copy_phi_node_args, rename_variables,
2147         set_phi_def_stmts, tree_duplicate_loop_to_header_edge,
2148         lv_adjust_loop_header_phi, lv_adjust_loop_entry_edge,
2149         lv_update_pending_stmts, tree_ssa_loop_version): New functions.
2150
2151         * tree-ssa-loop-unswitch.c: New file.
2152         * Makefile.in (tree-ssa-loop-unswitch.o): Add.
2153         * timevar.def (TV_TREE_LOOP_UNSWITCH): New timevar.
2154         * tree-flow.h (tree_ssa_unswitch_loops): Declare.
2155         * tree-optimize.c (init_tree_optimization_passes): Add pass_unswitch.
2156         * tree-pass.h (pass_unswitch): Declare.
2157         * tree-ssa-loop.c (tree_ssa_loop_unswitch,
2158         gate_tree_ssa_loop_unswitch, pass_unswitch): New pass.
2159         * doc/passes.texi: Documen tree level loop unswitching.
2160
2161 2004-09-23  Kazu Hirata  <kazu@cs.umass.edu>
2162
2163         * cfgexpand.c, config/s390/tpf-eh.c: Fix comment typos.
2164
2165 2004-09-22  Eric Christopher  <echristo@redhat.com>
2166
2167         * builtins.c (simplify_builtin_va_start): Remove.
2168         (simplify_builtin): Ditto.
2169         (fold_builtin_strchr): Ditto.
2170         (simplify_builtin_*): Rename remainders to fold_builtin_*.
2171         (expand_builtin): Fix up for above changes.
2172         (fold_builtin_1): Add new folders. Change for above.
2173         (expand_builtin_va_start): Call fold_builtin_next_arg.
2174         * gimplify.c (gimplify_call_expr): Fix calls to simplify_builtin.
2175         * tree.h: Remove prototype for simplify_builtin.
2176
2177 2004-09-23  Jan Hubicka  <jh@suse.cz>
2178
2179         PR debug/17389
2180         * dwarf2out.c (dwarf2out_finish): Deal with nested functions
2181         of fully inlined functions.
2182         * tree-inline.c (inline_forbidden_p_1): Nested functions can be
2183         inlined.
2184
2185         * cfgexpand.c (add_reg_br_prob_note): New function.
2186         (expand_gimple_cond_expr): Use it.
2187         (tree_expand_cfg): No longer kill the profile.
2188         * cfgrt.c (rtl_verify_flow_info_1): Check profile consistency
2189         only if it is present.
2190         * passes.c (rest_of_handle_loop_optimize): Kill the profile.
2191         * predict.c (combine_predictions_for_insn): Set the probabilities
2192         based on REG_BR_PROB note if present.
2193         * predict.c (branch_prob): Profile is read only with
2194         flag_branch_probabilities.
2195
2196 2004-09-22  Kelley Cook  <kcook@gcc.gnu.org>
2197
2198         * aclocal.m4: Add in gettext's m4 includes.
2199         (AC_ICONV, AC_LCMESSAGES, GCC_PATH_PROG): Remove.
2200         * configure.ac: Add in check for iconv.h
2201         * configure: Regenerate.
2202
2203 2004-09-22  Kelley Cook  <kcook@gcc.gnu.org>
2204
2205         * aclocal.m4: Update for rename of gettext-sister.m4.
2206
2207 2004-09-22  Daniel Berlin <dberlin@dberlin.org>
2208
2209         Fix PR tree-optimization/17587
2210         * tree-ssa-pre.c (fini_pre): Commit edge inserts here.
2211         (insert_aux): Instead of here.
2212
2213 2004-09-22  Diego Novillo  <dnovillo@redhat.com>
2214
2215         PR tree-optimization/16721
2216         * tree-dfa.c (dump_variable): Show TREE_THIS_VOLATILE.
2217         * tree-ssa-alias.c (create_memory_tag): Move setting of
2218         TREE_THIS_VOLATILE ...
2219         (get_tmt_for): ... here.
2220
2221 2004-09-22  Eric Botcazou  <ebotcazou@libertysurf.fr>
2222
2223         * config/sparc/sparc.md (cmove splitter): Fix formatting.
2224         (conditional_trap expander): Reject inappropriate CCmodes.
2225         (conditional trap insn): Use V9 syntax if possible.
2226
2227 2004-09-22  Joseph S. Myers  <jsm@polyomino.org.uk>
2228
2229         PR c/16566
2230         * c-typeck.c (build_component_ref): Don't special-case
2231         COMPOUND_EXPR.
2232
2233 2004-09-22  Frank Ch. Eigler  <fche@redhat.com>
2234
2235         * dominance.c (verify_dominators): Don't SEGV if recount_dominator
2236         returns NULL.
2237
2238 2004-09-22  Kazu Hirata  <kazu@cs.umass.edu>
2239
2240         * doc/c-tree.texi (TRUTH_NOT_EXPR, TRUTH_ANDIF_EXPR,
2241         TRUTH_ORIF_EXPR, TRUTH_AND_EXPR, TRUTH_OR_EXPR,
2242         TRUTH_XOR_EXPR): Mention the restriction on types.
2243
2244 2004-09-22  Matt Austern  <austern@apple.com>
2245
2246         * config/darwin.c (darwin_make_decl_one_only):
2247         Allow coalesced symbol to appear in static archive's table of contents
2248
2249 2004-09-22  Kazu Hirata  <kazu@cs.umass.edu>
2250
2251         PR tree-optimization/17512
2252         * convert.c (convert_to_integer): Don't handle TRUTH_*_EXPR as
2253         special cases.
2254
2255 2004-09-22  David Edelsohn  <edelsohn@gnu.org>
2256
2257         * dbxout.c (get_lang_number): Do not define if
2258         DBX_OUTPUT_MAIN_SOURCE_DIRECTORY is defined.
2259
2260 2004-09-22  Ralf Corsepius  <corsepiu@faw.uni-ulm.de>
2261
2262         PR target/15583
2263         * config/rs6000/rtems.h (TARGET_OS_CPP_BUILTINS): Add
2264         builtin_define ("__USE_INIT_FINI__").
2265
2266 2004-09-22  P.J. Darcy  <darcypj@us.ibm.com>
2267
2268         * config/s390/s390-protos.h (s390_emit_tpf_eh_return): Add prototype.
2269         * config/s390/s390.c (s390_emit_tpf_eh_return): New function.
2270         * config/s390/s390.h (TARGET_TPF): New macro.
2271         * config/s390/s390.md ("eh_return"): New expander.
2272         * config/s390/t-tpf (LIB2ADDEH): Use unwind-dw2-fde.c rather than
2273         unwind-dw2-fde-glibc.c.  Add config/s390/tpf-eh.c.
2274         (LIB2ADDEHDEP): Remove unwind-dw2-fde.c.
2275         * config/s390/tpf.h (TARGET_TPF): Define to 1.
2276         (STACK_POINTER_OFFSET): Increase to 448.
2277         (TARGET_DEFAULT): Set -mtpf-trace on as default.
2278         (TPF_LOC_DIFF_OFFSET): New macro.
2279         (ASM_PREFERRED_EH_DATA_FORMAT): Redefine to always use absolute
2280         encoding.
2281         (__isPATrange): Add prototype.
2282         (MD_FALLBACK_FRAME_STATE_FOR): Define.
2283         * config/s390/tpf-eh.c: New file.
2284
2285 2004-09-22  Diego Novillo  <dnovillo@redhat.com>
2286
2287         * fold-const.c (fold): Avoid non INTEGER_TYPEs when widening
2288         operands in an integer comparison.
2289         * tree-cfg.c (find_taken_edge): Call fold() to determine
2290         whether the predicate is known.
2291
2292 2004-09-22  Kelley Cook  <kcook@gcc.gnu.org>
2293
2294         * aclocal.m4: Import AM_PROG_CC_C_O and AM_AUX_DIR_EXPAND.
2295         * configure.ac: Call AM_PROG_CC_C_O instead of AC_PROG_CC_C_O.
2296         Create build and doc directories along with the language directories.
2297         Don't create doc directory separately.
2298         * configure: Regenerate.
2299         * Makefile.in: Create all object and executables files built
2300         with the build compiler in a build/ directory.
2301         (genobjnames): Add missing build objects.
2302         (STAGESTUFF): Don't stage the gen* programs.
2303         (ggc-none.o): Define dependencies for the target compiler.
2304         (build-print-rtl.o): Rename to build/print-rtl.o.
2305         (build-errors.o): Rename to build/errors.o.
2306         (build-varray.o): Rename to build/varray.o.
2307         (maintainerclean): Delete the contents of the build directory.
2308         ($(genobjs): %.o): Explicitly use -o.
2309         (build/insn-conditions.o): Delete specfic rule to use generic rule.
2310         (build/gengtype-lex.o): Likewise.
2311         (build/gengtype-yacc.o): Likewise.
2312         (build/gcov-iov.o): Likewise.
2313
2314 2004-09-22  Nathan Sidwell  <nathan@codesourcery.com>
2315
2316         * vec.h (VEC_space): Return true if there _is_ space.
2317         (VEC_reserve): Adjust.
2318
2319 2004-09-22  Richard Sandiford  <rsandifo@redhat.com>
2320
2321         * config/mips/mips.c (mips_function_value): For o32, o64, n32 and n64,
2322         use FPRs for scalar, complex and vector types only.
2323
2324 2004-09-21 Jeff Law  <law@redhat.com>
2325
2326         * tree-ssa-dom.c (opt_stats): Move so that it lives just after
2327         the opt_stats_d structure.
2328         (vrp_data): Change from a varray into a hash table.
2329         (vrp_hash_elt): New structure for elements in the vrp hash table.
2330         (vrp_hash, vrp_eq):New functions for hashing and testing equality
2331         in the vrp hash table.
2332         (tree_ssa_dominator_optimize): Initialize VRP_DATA.  Reorganize
2333         initialization slightly to make it easier to read.  No longer need
2334         to grow/clear the varray.  Instead empty and delete the hash table.
2335         (dom_opt_finalize_block): Update due to change of VRP_DATA from
2336         a varray to a hash table.
2337         (simplify_cond_and_loop_avail_expr, record_range): Similarly.
2338
2339         * tree-ssa-ccp.c (get_default_value): If we have a constant
2340         value recorded for an SSA_NAME, then use that constant as
2341         the initial lattice value.
2342         (substitute_and_fold): Transfer equivalences discovered into
2343         SSA_NAME_EQUIV.
2344
2345         * tree.h (SSA_NAME_EQUIV): Add comments.
2346         (SET_SSA_NAME_EQUIV): Similarly.
2347
2348 2004-09-21  David Edelsohn  <edelsohn@gnu.org>
2349
2350         * config/rs6000/linux64.h (PROCESSOR_DEFAULT64): Default to POWER4.
2351
2352         * config/rs6000/rs6000.c (rs6000_adjust_cost): dep_insn is used.
2353
2354 2004-09-21  Mark Mitchell  <mark@codesourcery.com>
2355
2356         * c-decl.c (implicityl_declare): Call maybe_apply_renaming_pragma.
2357         (finish_decl): Likewise.
2358
2359 2004-09-21  Devang Patel  <dpatel@apple.com>
2360
2361         * tree.def (VEC_COND_EXPR): New tree node.
2362         * tree-ssa-operands.c (get_expr_operands): Handle VEC_COND_EXPR.
2363
2364 2004-09-21  Stan Shebs  <shebs@apple.com>
2365
2366         * config/rs6000/darwin-tramp.asm: Add __ppc64__ case.
2367         * config/rs6000/darwin-world.asm: Likewise.
2368
2369 2004-09-21  Daniel Berlin  <dberlin@dberlin.org>
2370
2371         * tree-ssa.c (verify_def): Use print_generic_stmt,
2372         not debug_generic_stmt.
2373         (verify_use): Ditto.
2374         (verify_phi_args): Ditto.
2375         (verify_ssa): Ditto.
2376
2377 2004-09-21  Paul Brook  <paul@codesourcery.com>
2378
2379         * varasm.c (default_assemble_integer): Return false for values wider
2380         than the target word size.  Works around GAS bug.
2381
2382 2004-09-21  Zack Weinberg  <zack@codesourcery.com>
2383
2384         * reg-notes.def (REG_DEP_TRUE): New entry, place first so it
2385         gets value 0.
2386         * print-rtl.c (print_rtx): Print the name of a REG_NOTE even
2387         if it has value 0.
2388
2389 2004-09-21  Daniel Berlin <dberlin@dberlin.org>
2390
2391         * c-typeck.c (build_function_call): Give name of object
2392         we are attempting to call in error message.
2393         * c-objc-common.c (c_tree_printer): Call pp_expression,
2394         not return false, for 'E' case.
2395
2396 2004-09-21  Steven Bosscher  <stevenb@suse.de>
2397
2398         PR rtl-optimization/17482
2399         * postreload-gcse.c (reg_avail_info, oprs_unchanged_p,
2400         load_killed_in_block_p): Clarify comments.
2401         (record_last_reg_set_info): Make static inline.
2402         (mark_call, mark_set, mark_clobber, mark_oprs_set): Remove.
2403         (record_opr_changes): New function to replace the above.
2404         (compute_hash_table): Clarify comments.  Use record_opr_changes.
2405         (reg_set_between_after_reload_p): Clean up.
2406         (reg_used_between_after_reload_p): Likewise.
2407         (eliminate_partially_redundant_load): Clarify comments.
2408
2409 2004-09-21  Eric Botcazou  <ebotcazou@libertysurf.fr>
2410
2411         PR rtl-optimization/17266
2412         * regmove.c (optimize_reg_copy_3): Make a new SUBREG for each insn.
2413
2414 2004-09-21  Uros Bizjak  <uros@kss-loka.si>
2415
2416         PR rtl-optimization/14851
2417         * rtlanal.c (commutative_operand_precedence): Calculate
2418         precedence of stripped constant.
2419
2420 2004-09-20 Jeff Law  <law@redhat.com>
2421            Jan Hubicka  <jh@suse.cz>
2422
2423         * tree-ssanames.c (make_ssa_name): No longer need to clear, then
2424         initialize key elements here.
2425         (release_ssa_name): Zero the released SSA_NAME here.
2426         * tree.h (SSA_NAME_EQUIV, SET_SSA_NAME_EQUIV): New macros.
2427         (struct tree_ssa_name): Add new "equiv" field.
2428         * tree-ssa-dom.c (const_and_copies): Kill the global varray.
2429         (tree_ssa_dominator_optimize): No longer allocate, resize or
2430         clear CONST_AND_COPIES.
2431         (get_value_for, set_value_for): Kill.
2432         (thread_across_edge): Get/set the equivalency using
2433         SSA_NAME_EQUIV and SET_SSA_NAME_EQUIV.
2434         (restore_vars_to_original_value): Likewise.
2435         (record_equivalences_from_phis): Likewise.
2436         (record_dominating_conditions): Likewise.
2437         (record_const_or_copy, record_equality): Likewise.
2438         (lookup_avail_expr): Likewise.
2439         (record_equivalences_from_stmt, cprop_operand): Likewise.
2440         (cprop_into_successor_phis): No longer need to pass around
2441         CONST_AND_COPIES.  Callers updated. Get equivalences via
2442         SSA_NAME_EQUIV.
2443         (cprop_into_phis): Likewise.
2444
2445 2004-09-20  Matt Austern <austern@apple.com>
2446             Zack Weinberg  <zack@codesourcery.com>
2447
2448         * c-common.c (fix_string_type): Build the unqualified array
2449         type unconditionally, then use c_build_qualified_type to get
2450         the proper const-qualified variant, and set its
2451         TYPE_MAIN_VARIANT to refer to the unqualified type.
2452         * c-lex.c (c_lex_return_raw_string): New global.
2453         (c_lex_with_flags): Honor it.
2454         * c-pragma.h: Declare it.
2455
2456 2004-09-20  Daniel Berlin  <dberlin@dberlin.org>
2457
2458         * Makefile.in: Fix flags.h dependencies to be $(FLAGS_H).
2459
2460 2004-09-21  Jan Hubicka  <jh@suse.cz>
2461
2462         PR middle-end/17126
2463         * tree-optimize.c (update_inlined_to_pointers): Fix the recursion.
2464         (tree_rest_of_compilation): Cleanup.
2465
2466 2004-09-20  Ulrich Weigand  <uweigand@de.ibm.com>
2467
2468         * config/s390/s390.c (s390_select_rtx_section): Remove.
2469         (TARGET_ASM_SELECT_RTX_SECTION): Do not redefine.
2470
2471 2004-09-20  Kaz Kojima  <kkojima@gcc.gnu.org>
2472
2473         * config/sh/sh.c (sh_expand_prologue): Add a REG_FRAME_RELATED_EXPR
2474         note to pretend a direct save from the original register when an
2475         intermediate register is used for the save.
2476
2477 2004-09-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2478
2479         * tsystem.h (alloca): Provide a default definition.
2480
2481         Revert:
2482         2001-08-31  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2483             * unwind-dw2.c: Call __builtin_alloca, not alloca.
2484
2485 2004-09-20  Andrew Pinski  <pinskia@physics.uc.edu>
2486
2487         PR tree-opt/17558
2488         * tree-ssa-copy.c (may_propagate_copy): Only allow if the
2489         aliasing sets are the same rather than just conflicting.
2490
2491 2004-09-20  Jan Hubicka  <jh@suse.cz>
2492
2493         PR middle-end/16460
2494
2495         * cgraph.c (cgraph_unnest_node): New function.
2496         (c_finalize): Rename to ....
2497         (c_warn_unused_result_recursivly): ... this one; do only the warning
2498         (finish_function): Finalize the toplevel function; do not lower nested tree.
2499         * cgraph.h (cgraph_unnest_node): Declare.
2500         * cgraphunit.c (decide_is_function_needed): Do not use cgraph
2501         nestedness datastructure.
2502         * cse.c (cse_insn): Do not cprop nonlocal LABEL_REFs.
2503         * reload1.c (set_label_offsets): Fix call of set_label_offsets.
2504         * tree-nested.c (finlize_nesting_tree_1):  Use un-nesting code.
2505
2506 2004-09-20  Richard Henderson  <rth@redhat.com>
2507
2508         * config/alpha/alpha.c (some_small_symbolic_operand_int): Rename
2509         from some_small_symbolic_operand_1; export.
2510         (some_small_symbolic_operand): Remove.
2511         * config/alpha/alpha.md (some_small_symbolic_operand splitter): Remove
2512         extra C check.
2513         * config/alpha/predicates.md (some_small_symbolic_operand): New.
2514
2515 2004-09-20  Jan Hubicka  <jh@suse.cz>
2516
2517         * predict.c (return_prediction): New function.
2518         (apply_return_prediction): Likewise.
2519         (tree_bb_level_predictions): Likewise.
2520         (tree_estimate_probability): Add noreturn exit edges; call
2521         bb_level_predictions; fix logic of return heuristics.
2522         (predict_paths_leading_to):  Rescuesce from old CVS version of
2523         process_note_prediction function.
2524         * predict.def (PRED_TREE_EARLY_RETURN): New predictor.
2525
2526 2004-09-20  Andreas Krebbel  <krebbel1@de.ibm.com>
2527
2528         * config/s390/s390.c (s390_frame_info): Added alignment statement for
2529         floating point register area on stack.
2530
2531 2004-09-20  Jakub Jelinek  <jakub@redhat.com>
2532
2533         * predict.c (expr_expected_value): Use *_CLASS_P macros.
2534
2535 2004-09-20  Daniel Berlin  <dberlin@dberlin.org>
2536
2537         * tree-ssa-pre.c (compute_antic_aux): Use malloc'd worklist, to avoid
2538         generating useless garbage.
2539
2540 2004-09-20  Paolo Bonzini  <bonzini@gnu.org>
2541
2542         * builtins.c (fold_builtin): Call the new omonymous
2543         target hook for machine-dependent built-ins.
2544         * target-def.h (TARGET_FOLD_BUILTIN): New.
2545         * target.h (struct gcc_target): Add the fold_builtin hook.
2546         * targhooks.c (default_fold_builtin): New.
2547         * targhooks.h (default_fold_builtin): Declare it.
2548
2549 2004-09-20  Kazu Hirata  <kazu@cs.umass.edu>
2550
2551         * cfg.c, tree-ssa-threadupdate.c, tree-vectorizer.c: Fix
2552         comment typos.
2553
2554 2004-09-20  Richard Sandiford  <rsandifo@redhat.com>
2555
2556         PR target/17565
2557         * config/mips/mips.md (define_asm_attributes): Set can_delay to no.
2558
2559 2004-09-20  Jan Hubicka  <jh@suse.cz>
2560
2561         * predict.c (estimate_probability): Remove unnecesary code.
2562
2563 2004-09-19  Ira Rosen  <irar@il.ibm.com>
2564
2565         * tree-vectorizer.h (stmt_vec_info): Add vect_dr_base field.
2566         (STMT_VINFO_VECT_DR_BASE): Declare.
2567         (VECT_SMODULO): Declare.
2568         * tree-vectorizer.c (vect_compute_array_ref_alignment): New function.
2569         (vect_compute_array_base_alignment): New function.
2570         (vect_analyze_data_ref_access): Check array indices. Remove one
2571         dimensional arrays restriction.
2572         (vect_get_ptr_offset): New function.
2573         (vect_get_symbl_and_dr): New function.
2574         (vect_get_base_and_bit_offset): Support additional data refs. Renamed
2575         (former name vect_get_base_decl_and_bit_offset).
2576         (vect_create_index_for_array_ref): Removed.
2577         (vect_create_index_for_vector_ref): New function.
2578         (vect_create_addr_base_for_vector_ref): New function.
2579         (vect_create_data_ref): Handle additional data refs. Call
2580         vect_create_index_for_vector_ref and vect_create_addr_base_for_vector_ref.
2581         (vect_compute_data_ref_alignment): Support the changes. Call
2582         vect_get_base_and_bit_offset.
2583         (vect_analyze_data_refs): Call vect_get_symbl_and_dr. Support additional
2584         data refs. Store vect_dr_base.
2585         (vect_analyze_data_ref_accesses): Support nonconstant init.
2586         (new_stmt_vec_info): Initialize vect_dr_base field.
2587         (vect_is_simple_iv_evolution): Call initial_condition_in_loop_num.
2588         (get_vectype_for_scalar_type): Check for BLKmode.
2589         * tree-chrec.h (initial_condition_in_loop_num): Declare.
2590         * tree-chrec.c (initial_condition_in_loop_num): New function.
2591         (chrec_component_in_loop_num): New function.
2592         (evolution_part_in_loop_num): Call chrec_component_in_loop_num.
2593         * tree-data-ref.c (analyze_array_indexes): Change parameter (access_fns)
2594         to be pointer to varray_type.
2595
2596 2004-09-19  Jan Hubicka  <jh@suse.cz>
2597
2598         * basic-block.h (update_bb_profile_after_threading): Declare.
2599         * cfg.c (update_bb_profile_after_threading): Break out from ...
2600         * cfgcleanup.c (try_forward_edges): ... here; use it.
2601         * tree-ssa-dom.c (thread_across_edge): Use it.
2602         * tree-ssa-threadupdate.c (create_block_for_threading): Zero out
2603         profile of the new BB.
2604
2605 2004-09-19  Daniel Berlin  <dberlin@dberlin.org>
2606
2607         * tree-ssa-pre.c (insert_into_set): Don't put
2608         is_gimple_min_invariant values into the set.
2609
2610 2004-09-19  Andreas Jaeger  <aj@suse.de>
2611
2612         * tree-ssa-dom.c (restore_nonzero_vars_to_original_value): Fix
2613         prototype.
2614
2615 2004-09-18  Kazu Hirata  <kazu@cs.umass.edu>
2616
2617         * config/cris/cris.h: Preserve the original spelling in a
2618         quote.
2619
2620 2004-09-18 Jeff Law  <law@redhat.com>
2621
2622         * tree-ssa-dom.c (nonzero_vars_stack, vrp_variables_stack): New
2623         global varrays to replace the block local varrays.
2624         (struct dom_walk_block_data): Remove, no longer used.
2625         (get_eq_expr_value): No longer need to pass around pointers to local
2626         varrays.  Callers updated.  Unused markers added to unused parameters.
2627         (record_range, record_equivalences_from_stmt): Likewise.
2628         (record_equivalences_from_incoming_edge): Likewise.
2629         (record_var_is_nonzero): Likewise.  Update now that we have a
2630         single global varray of SSA_NAMEs that need restoring.
2631         (dom_opt_initialize_block_local_data): Kill, no longer used.
2632         (tree_ssa_dominator_optimize): Initialize new global varrays.
2633         Update callbacks in dominator walker structure.
2634         (dom_opt_initialize_block): Add markers to NONZERO_VAR_STACK and
2635         VRP_VARIABLES_STACK.
2636         (restore_nonzero_vars_to_original_value): Update now that we have
2637         a single global varray of SSA_NAMEs that need restoring.
2638         (dom_opt_finalize_block): Similarly for VRP_VARIABLES_STACK.
2639         Remove unused variables.
2640         (optimize_stmt): Remove unused variable.
2641
2642 2004-09-18  Jan Hubicka  <jh@suse.cz>
2643
2644         * tree-cfg.c (thread_jumps):  Fix updating of the profile.
2645
2646         * tree-optimize.c (tree_rest_of_compilation): Kill forgotten
2647         verify_cgraph call.
2648
2649 2004-09-18  Kazu Hirata  <kazu@cs.umass.edu>
2650
2651         * alias.c, crtstuff.c, dbxout.c, domwalk.c, domwalk.h, gcc.c,
2652         gcse.c, global.c, lambda-code.c, loop.c, mips-tdump.c,
2653         optabs.h, predict.c, reg-stack.c, regclass.c, sched-rgn.c,
2654         tree-optimize.c, tree-ssa-dom.c, tree-ssa-forwprop.c,
2655         tree-ssa-operands.c, tree-ssa-phiopt.c,
2656         tree-ssa-threadupdate.c: Fix comment typos.
2657
2658 2004-09-18  Kazu Hirata  <kazu@cs.umass.edu>
2659
2660         * config/darwin-c.c, config/arc/arc.c, config/arc/arc.md,
2661         config/arm/README-interworking, config/arm/arm-cores.def,
2662         config/arm/arm.c, config/arm/arm.h, config/arm/pe.c,
2663         config/arm/vfp.md, config/c4x/c4x.c, config/c4x/c4x.h,
2664         config/cris/cris.c, config/cris/cris.h, config/fr30/fr30.c,
2665         config/fr30/fr30.h, config/fr30/fr30.md, config/frv/frv.c,
2666         config/frv/frv.md, config/i386/winnt.c,
2667         config/ia64/unwind-ia64.c, config/iq2000/iq2000.c,
2668         config/iq2000/iq2000.h, config/m68hc11/m68hc11.c,
2669         config/m68hc11/m68hc11.md, config/m68k/m68k.c,
2670         config/mcore/mcore.c, config/mips/mips.h,
2671         config/mn10300/mn10300.md, config/pa/pa.c,
2672         config/pa/pa64-regs.h, config/pdp11/pdp11.c,
2673         config/rs6000/rs6000.c, config/sh/symbian.c,
2674         config/sparc/sparc.h: Fix comment typos.  Follow spelling
2675         conventions.
2676
2677 2004-09-18  Joseph S. Myers  <jsm@polyomino.org.uk>
2678
2679         PR c/17424
2680         * c-typeck.c (c_expr_sizeof_expr): Check for error_mark_node.
2681
2682 2004-09-18  Diego Novillo  <dnovillo@redhat.com>
2683
2684         * tree-ssa-alias.c (setup_pointers_and_addressables): Don't
2685         remove TREE_ADDRESSABLE from RESULT_DECL.
2686
2687 2004-09-18  Diego Novillo  <dnovillo@redhat.com>
2688
2689         * tree-ssa-alias.c (dump_alias_info): Ignore NULL SSA_NAMEs.
2690
2691 2004-09-18  Jan Hubicka  <jh@suse.cz>
2692
2693         * tree-into-ssa.c (rewrite_ssa_into_ssa):  Expect ssa_name to return
2694         NULL.
2695         * tree-ssa-alias.c (init_alias_info): Likewise.
2696         * tree-ssa.c (verify_flow_sensitive_alias_info): Likewise.
2697         (verify_ssa): Likewise.
2698         * tree-ssanames.c (make_ssa_name): Clear out ssa_names arrays.
2699
2700 2004-09-18  Jan Hubicka  <jh@suse.cz>
2701
2702         * i386.c (legitimize_pic_address): Fix splitting of PLUS with
2703         huge offset.
2704
2705 2004-09-18  Kaz Kojima  <kkojima@gcc.gnu.org>
2706
2707         * config/sh/linux.h (ASM_PREFERRED_EH_DATA_FORMAT): Remove.
2708         * config/sh/sh.h (ASM_PREFERRED_EH_DATA_FORMAT): Use
2709         DW_EH_PE_sdata* for data.
2710         (ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): Likewise.
2711
2712 2004-09-17  Geoffrey Keating  <geoffk@apple.com>
2713
2714         * tree-inline.c (copy_tree_r): Don't duplicate constants, they're
2715         shared anyway.
2716
2717         PR pch/13361
2718         * c-typeck.c (constructor_asmspec): Delete.
2719         (struct initializer_stack): Delete field 'asmspec'.
2720         (start_init): Delete saving of asmspec.
2721         (finish_init): Don't update constructor_asmspec.
2722         * dwarf2out.c (rtl_for_decl_location): Duplicate string from tree.
2723         * stmt.c (expand_asm): Duplicate strings from tree.
2724         (expand_asm_operands): Likewise.
2725         * tree.c (tree_size): Update computation of size of STRING_CST.
2726         (make_node): Don't make STRING_CST nodes.
2727         (build_string): Allocate string with tree node.
2728         (tree_code_size): Clean up assertions, don't allow requests
2729         for "the size of a STRING_CST".
2730         * tree.def (STRING_CST): Update comment.
2731         * tree.h (TREE_STRING_POINTER): Adjust for change to STRING_CST.
2732         (tree_string): Place contents of string in tree node.
2733         * config/sh/sh.c (sh_handle_sp_switch_attribute): Duplicate string
2734         from tree.
2735
2736 2004-09-17  Zack Weinberg  <zack@codesourcery.com>
2737
2738         * Makefile.in (c-parse.o): Depend on $(C_PRAGMA_H).
2739         * objc/Make-lang.in (objc/objc-parse.o): Likewise.
2740
2741 2004-09-17  Jones Desougi  <jones@ingate.com>
2742
2743         * configure.ac: Replace AC_COMPILE_CHECK_SIZEOF with AC_CHECK_SIZEOF.
2744         * configure, config.in: Regenerate.
2745
2746 2004-09-17  Zack Weinberg  <zack@codesourcery.com>
2747
2748         * tree.c, tree.h (tree_class_strings): Make array const.
2749         Reindent per coding convention.  Move asterisk to proper place
2750         per coding convention.
2751
2752 2004-09-18  Andreas Schwab  <schwab@suse.de>
2753
2754         * Makefile.in (gimple-low.o): Depend on $(EXPR_H).
2755         (tree-vectorizer.o): Likewise.
2756         (targhooks.o): Likewise.
2757
2758 2004-09-17  Jeffrey D. Oldham  <oldham@codesourcery.com>
2759             Zack Weinberg  <zack@codesourcery.com>
2760
2761         * alias.c (find_base_decl): Remove unreachable case '3' block.
2762         * expr.c (safe_from_p): Abort if passed a type.
2763         * tree-gimple.c (recalculate_side_effects): Abort if passed
2764         anything other than an expression.
2765         * tree-ssa-pre.c (phi_translate): Return expr immediately if
2766         is_gimple_min_invariant is true for it.  Reorder cases for clarity.
2767         Abort on un-handled tree classes.
2768         (valid_in_set): Likewise.
2769         * tree.c (tree_code_class_strings): New static data.
2770
2771         * tree.h (enum tree_code_class): New.
2772         (tree_code_class_strings): Declare.
2773         (TREE_CODE_CLASS_STRING, EXCEPTIONAL_CLASS_P, CONSTANT_CLASS_P)
2774         (REFERENCE_CLASS_P, COMPARISON_CLASS_P, UNARY_CLASS_P, BINARY_CLASS_P)
2775         (STATEMENT_CLASS_P, EXPRESSION_CLASS_P, IS_TYPE_OR_DECL_P): New macros.
2776         (TYPE_P, DECL_P, IS_NON_TYPE_CODE_CLASS, IS_EXPR_CODE_CLASS)
2777         (checking macros, EXPR_LOCATION, SET_EXPR_LOCATION, EXPR_LOCUS): Update.
2778
2779         * tree.def, c-common.def, objc/objc-tree.def: Use
2780         tree_code_class enumeration constants instead of code letters.
2781
2782         * alias.c, builtins.c, c-common.c, c-format.c, c-lang.c, c-pragma.c
2783         * c-typeck.c, cgraphunit.c, convert.c, dbxout.c, dwarf2out.c
2784         * emit-rtl.c expr.c, fold-const.c, gimplify.c, lambda-code.c
2785         * langhooks.c, langhooks.h, predict.c, print-tree.c, reload1.c, stmt.c
2786         * tree-browser.c, tree-cfg.c, tree-chrec.c, tree-complex.c, tree-dfa.c
2787         * tree-dump.c, tree-eh.c, tree-gimple.c, tree-inline.c, tree-nested.c
2788         * tree-outof-ssa.c, tree-pretty-print.c, tree-sra.c, tree-ssa-ccp.c
2789         * tree-ssa-dce.c, tree-ssa-dom.c, tree-ssa-forwprop.c, tree-ssa-live.c
2790         * tree-ssa-loop-im.c, tree-ssa-loop-ivopts.c, tree-ssa-operands.c
2791         * tree-ssa-phiopt.c, tree-ssa-pre.c, tree-ssa-propagate.c
2792         * tree-ssa.c, tree-ssanames.c, tree-tailcall.c, tree.c, varasm.c
2793         * config/sol2-c.c, config/arm/arm.c, config/i386/winnt.c
2794         * config/pa/pa.c, config/pa/pa.h, config/sh/sh.c, objc/objc-lang.c
2795         Update to match.
2796
2797         * LANGUAGES: Add note about change.
2798
2799 2004-09-17  Diego Novillo  <dnovillo@redhat.com>
2800
2801         PR tree-optimization/17319
2802         * tree-ssa-alias.c (compute_points_to_and_addr_escape): Also
2803         examine pointers on the LHS of an assignment.
2804         (collect_points_to_info_r): Handle RETURN_EXPR.
2805
2806 2004-09-17 Jeff Law  <law@redhat.com>
2807
2808         * tree-ssa-dom.c (const_and_copies_stack): New.
2809         (dom_walk_block_data): Remove const_and_copies field.
2810         (record_const_or_copy): No longer need to pass in varray_type *.
2811         Use CONST_AND_COPIES_STACK rather than passed in block local stack.
2812         Callers updated.
2813         (record_equality): Similarly.
2814         (restore_vars_to_original_value): Similarly.  Revamp to use new
2815         single global stack rather than per-block stacks.
2816         (tree_ssa_dominator_optimize): Initialize the CONST_AND_COPIES_STACK.
2817         (thread_across_edge): Remove now unused parameters.
2818         (dom_opt_initialize_block_local_data): No longer test the block
2819         local CONST_AND_COPIES.
2820         (dom_opt_initialize_block): Push a marker on CONST_AND_COPIES_STACK.
2821
2822 2004-09-17  Jan Hubicka  <jh@suse.cz>
2823
2824         PR tree-optimization/17509
2825         * tree-optimize.c (update_inlined_to_pointers): New function.
2826         (tree_rest_of_compilation): Use it.
2827
2828 2004-09-17  Devang Patel  <dpatel@apple.com>
2829
2830         * dbxout.c (get_lang_number): New.
2831         (dbxout_init): Include lang number in N_SO  stab.
2832         * dbxout.h (N_SO_AS, N_SO_C, N_SO_ANSI_C, N_SO_CC, N_SO_FORTRAN,
2833         N_SO_PASCAL, N_SO_FORTRAN90, N_SO_OBJC, N_SO_OBJCPLUS): New #define.
2834
2835 2004-09-17  Diego Novillo  <dnovillo@redhat.com>
2836
2837         PR tree-optimization/17273
2838         * tree-ssa.c (replace_immediate_uses): Call fold_stmt if the
2839         replacement is a constant.
2840
2841 2004-09-17  Joseph S. Myers  <jsm@polyomino.org.uk>
2842
2843         * c-tree.h (enum c_typespec_keyword): New.
2844         (struct c_declspecs): Adjust description of "type".  Remove
2845         specbits, explicit_int_p and explicit_char_p.  Rename
2846         typedef_signed_p to explicit_signed_p.  Add default_int_p, long_p,
2847         short_p, signed_p, unsigned_p and complex_p.
2848         (finish_declspecs): New.
2849         * c-parse.in (datadef, datadecl, setspecs, decl, component_decl,
2850         typename): Call finish_declspecs.
2851         * c-decl.c (finish_declspecs): New.
2852         (declspecs_add_type): Check for combinations which cannot occur in
2853         valid specifier lists.  Update comments.
2854         (shadow_tag_warned): Remove checks done in finish_declspecs.
2855         Don't report useless type name if type defaulted to int.
2856         (grokdeclarator): Remove checks and actions done in
2857         finish_declspecs.  Don't allow for type being NULL.  Update for
2858         datastructures changes.  Initialize decl_attr.
2859         (build_null_declspecs, quals_from_declspecs): Update for
2860         datastructures changes.
2861
2862 2004-09-17  Sylvain Pion  <Sylvain.Pion@sophia.inria.fr>
2863
2864         * doc/extend.texi: Fix duplicated word.
2865
2866 2004-09-17  Toon Moene  <toon@moene.indiv.nluug.nl>
2867
2868         * doc/invoke.texi: Remove stray explanation on
2869         -freduce-all-givs and -fmove-all-movables.
2870
2871 2004-09-17  James Morrison  <phython@gcc.gnu.org>
2872
2873         * doc/cfg.texi: Use @smallexample.
2874         * doc/md.texi: Likewise.
2875         * doc/tree-ssa.texi: Likewise.
2876         * doc/extend.texi: Likewise.  Use @r{} in comments.
2877         * doc/trouble.texi: Use @r{} in comments.
2878
2879 2004-09-17  Hans-Peter Nilsson  <hp@bitrange.com>
2880
2881         * configure.ac (gcc_cv_gld_version): Handle whitespace before
2882         "VERSION=".
2883         * aclocal.m4 (_gcc_COMPUTE_GAS_VERSION): Ditto.
2884         * configure: Regenerate.
2885
2886 2004-09-17  J"orn Rennecke <joern.rennecke@superh.com>
2887
2888         * sh.c (sh_gimplify_va_arg_expr): Don't call pass_by_reference.
2889         (sh_pass_by_reference): Work around std_gimplify_va_arg_expr bug.
2890         * t-sh (MULTILIB_CPUS): s/ML_m/ML_sh/g .
2891         * t-sh64 (MULTILIB_CPU_DIRS): Likewise.  Match dashes and trailing
2892         slashes in substitutions.
2893         (MULTILIB_DIRNAMES): Remove defunct removal of /media32.
2894
2895 2004-09-17  Kazu Hirata  <kazu@cs.umass.edu>
2896
2897         * basic-block.h, c-decl.c, c-parse.in, cgraphunit.c, ddg.c,
2898         gimplify.c, lambda-code.c, optabs.c, predict.c,
2899         tree-scalar-evolution.c, tree-sra.c, tree-ssa-loop-ch.c,
2900         tree-ssa.c, vec.h: Fix comment typos.  Follow spelling
2901         conventions.
2902
2903 2004-09-17  Kazu Hirata  <kazu@cs.umass.edu>
2904
2905         * doc/compat.texi, doc/cpp.texi, doc/cppopts.texi,
2906         doc/extend.texi, doc/install.texi, doc/invoke.texi,
2907         doc/sourcebuild.texi, doc/tm.texi, doc/tree-ssa.texi,
2908         doc/trouble.texi: Use @option around options.
2909
2910 2004-09-17  Richard Sandiford  <rsandifo@redhat.com>
2911
2912         * Makefile.in (gen-protos.o): Depend on errors.h.
2913
2914 2004-09-17  Steven Bosscher  <stevenb@suse.de>
2915
2916         PR tree-optimization/17513
2917         * cfgexpand.c (construct_init_block): Clear EDGE_EXECUTABLE
2918         for successors of the entry block.
2919
2920 2004-09-17  Uros Bizjak  <uros@kss-loka.si>
2921
2922         PR rtl-optimization/15187
2923         * ifcvt.c (noce_try_cmove_arith): Exit early if total
2924         insn_rtx_cost of both branches > BRANCH_COST
2925
2926 2004-09-16  Diego Novillo  <dnovillo@redhat.com>
2927
2928         PR tree-optimization/17528
2929         * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Do not
2930         erase the may-alias set for a tag when merging it with
2931         another.
2932
2933 2004-09-16  Kaz Kojima  <kkojima@gcc.gnu.org>
2934
2935         * config/sh/sh.md (call): Extend 32-bit addresses to DImode
2936         for 32-bit TARGET_SHMEDIA.
2937         (call_value): Likewise.
2938
2939 2004-09-16  Diego Novillo  <dnovillo@redhat.com>
2940
2941         * tree-ssa-operands.c (add_call_clobber_ops): Make read-only
2942         test apply only to TREE_STATIC and DECL_EXTERNAL.
2943
2944 2004-09-16  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
2945
2946         * Makefile.in (tree-cfg.o): Add CFGLAYOUT_H dependency.
2947         * basic-block.h (get_dominated_by_region): Declare.
2948         * dominance.c (get_dominated_by_region): New function.
2949         * tree-cfg.c: Include cfglayout.h.
2950         (tree_duplicate_bb): Duplicate also phi nodes.
2951         (struct ssa_name_map_entry): New type.
2952         (add_phi_args_after_copy_bb, add_phi_args_after_copy,
2953         ssa_name_map_entry_hash, ssa_name_map_entry_eq,
2954         allocate_ssa_names, rewrite_to_new_ssa_names_def,
2955         rewrite_to_new_ssa_names_use, rewrite_to_new_ssa_names_bb,
2956         rewrite_to_new_ssa_names, tree_duplicate_sese_region): New functions.
2957         * tree-flow.h (tree_duplicate_sese_region, add_phi_args_after_copy_bb,
2958         add_phi_args_after_copy, rewrite_to_new_ssa_names_bb,
2959         rewrite_to_new_ssa_names, allocate_ssa_names,
2960         rewrite_into_loop_closed_ssa, verify_loop_closed_ssa): Declare.
2961         * tree-ssa-loop-ch.c (duplicate_blocks): Removed.
2962         (copy_loop_headers): Use tree_duplicate_sese_region.
2963
2964 2004-09-16  Frank Ch. Eigler  <fche@redhat.com>
2965
2966         * profile.c (branch_prob): Restore support for USE_MAPPED_LOCATION.
2967
2968 2004-09-16 Jeff Law  <law@redhat.com>
2969
2970         * tree-into-ssa.c (block_defs_stack): New toplevel varray.
2971         (rewrite_block_data): Remove, no longer used.
2972         (rewrite_initialize_block_local_data): Remove, no longer used.
2973         (rewrite_initialize_block): Mark parameters as unused as needed.
2974         Change references to the block local block_defs to be block_defs_stack.
2975         Push a marker onto the block_defs_stack.
2976         (ssa_rewrite_initialize_block): Similarly.
2977         (rewrite_stmt, ssa_rewrite_stmt): Similarly.
2978         (ssa_register_new_def): No longer needs varray argument.  Use
2979         block_defs_stack instead.  No longer handle possibly null block_defs
2980         varray.  Reverse order of items we push on the stack to make it
2981         easier to identify our marker.
2982         (register_new_def): No longer handle possibly null block_defs
2983         varray.
2984         (rewrite_finalize_block): Revamp to look for markers in the global
2985         block_defs_stack varray rather than wiping a block local varray.
2986         Mark arguments as unused as needed.
2987         (ssa_rewrite_finalize_block): Similarly.
2988         (rewrite_into_ssa): Update initialization of dom walker structure
2989         to reflect that we don't need block local data anymore.  Initialize
2990         the block_defs_stack varray.
2991         (rewrite_ssa_into_ssa): Similarly.
2992         * tree-ssa-dom.c (block_defs_stack): New toplevel varray.
2993         (struct dom_walk_data): Kill block_defs field.
2994         (tree_ssa_dominator_optimize): Initialize block_defs_stack.
2995         (thread_across_edge): Use the global block_defs_stack instead of
2996         the old block_defs varray.
2997         (dom_opt_initialize_block_local_data): Update now that we don't have
2998         block_defs field to check anymore.
2999         (dom_opt_initialize_block): Push a marker onto block_defs_stack.
3000         (restore_currdefs_to_original_value): Use the new block_defs_stack
3001         instead of a block local varray.
3002         (dom_opt_finalize_block): Similarly.
3003         (record_equivalencs_from_phis): Similarly.
3004         (optimize_stmt, register_definitions_for_stmt): Similarly.
3005
3006 2004-09-16  Andrew MacLeod  <amacleod@redhat.com>
3007
3008         PR tree-optimization/17517
3009         * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Don't
3010         coalesce same-root variables without checking for abnormal PHI usage.
3011
3012 2004-09-16  Daniel Berlin  <dberlin@dberlin.org>
3013
3014         * cfgloop.h (duplicate_loop):  Add prototype.
3015         * cfgloopmanip.c (duplicate_loop): Make non-static.
3016         * lambda-code.c (perfect_nestify): Factor out test whether
3017         we can handle this loop into separate function.
3018         Call it.
3019         (can_convert_to_perfect_nest): New function.
3020         (replace_uses_of_x_with_y): Add modify_stmt call.
3021         * tree-loop-linear.c (linear_transform_loops): Call
3022         rewrite_into_loop_closed_ssa and free_df.
3023
3024 2004-09-16  Daniel Berlin  <dberlin@dberlin.org>
3025
3026         * lambda-code.c (invariant_in_loop): is_gimple_min_invariant is
3027         loop invariant as well.
3028         (perfect_nestify): new function.
3029         (gcc_loop_to_lambda_loop): New parameters to track lower bounds,
3030         upper bounds, and steps.
3031         Set outerinductionvar properly.
3032         (gcc_loopnest_to_lambda_loopnest): Add loops and need_perfect
3033         parameters.
3034         Return NULL if we need a perfect loop and can't make one.
3035         (lambda_loopnest_to_gcc_loopnest): Correct algorithm.
3036         (not_interesting_stmt): New function.
3037         (phi_loop_edge_uses_def): Ditto.
3038         (stmt_uses_phi_result): Ditto.
3039         (stmt_is_bumper_for_loop): Ditto.
3040         (perfect_nest_p): Ditto.
3041         (nestify_update_pending_stmts): Ditto.
3042         (replace_uses_of_x_with_y): Ditto.
3043         (stmt_uses_op): Ditto.
3044         (perfect_nestify): Ditto.
3045         * lambda-mat.c (lambda_matrix_id_p): New function.
3046         * lambda-trans.c (lambda_trans_matrix_id_p): Ditto.
3047         * lambda.h: Update prototypes.
3048         * tree-loop-linear (linear_transform_loop): Use new
3049         perfect_nest_p. Detect and ignore identity transform.
3050         * tree-ssa-loop.c (pass_linear_transform): Use TODO_write_loop_closed.
3051
3052 2004-09-16  Sebastian Pop  <pop@cri.ensmp.fr>
3053
3054         * tree-loop-linear.c (gather_interchange_stats): Add more comments.
3055         Gather also strides of accessed data.  Pass in the data references
3056         array.
3057         (try_interchange_loops): Add a new heuristic for handling the temporal
3058         locality.  Pass in the data references array.
3059         (linear_transform_loops): Pass the data references array to
3060         try_interchange_loops.
3061
3062 2004-09-16  Kazu Hirata  <kazu@cs.umass.edu>
3063
3064         * doc/invoke.texi: Fix typos.  Follow spelling conventions.
3065
3066 2004-09-16  Nathan Sidwell  <nathan@codesourcery.com>
3067
3068         * doc/c-tree.texi (Classes): Remove index entries for
3069         TREE_VIA_{PUBLIC,PROTECTED,PRIVATE}.
3070
3071 2004-09-16  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
3072
3073         * fold-const.c (fold): Fold difference of addresses.
3074         (ptr_difference_const): Moved from tree-ssa-loop-ivopts, based on
3075         get_inner_reference.
3076         * tree-ssa-loop-ivopts.c (peel_address): Removed.
3077         (ptr_difference_const): Moved to fold-const.c.
3078         (split_address_cost): Use get_inner_reference instead of peel_address.
3079         (ptr_difference_cost): Change type of diff to HOST_WIDE_INT.
3080         * tree.h (ptr_difference_const): Export.
3081
3082         * tree-ssa-loop-ivopts.c (dump_iv, dump_use, dump_cand): Add induction
3083         variable type to the dump.  Fix indentation.
3084         (idx_find_step): Handle nonconstant array_ref_element_size and
3085         array_ref_low_bound.
3086         (idx_record_use): Handle array_ref_element_size and
3087         array_ref_low_bound.
3088         (find_interesting_uses_stmt): Handle memory = nontrivial_expression
3089         statements correctly.
3090         (get_computation_at, iv_value): Do not unshare expressions here.
3091         (rewrite_use_outer): Unshare the expression before it is emitted
3092         to code.
3093         * tree-ssa-loop-niter.c (unsigned_type_for, signed_type_for):
3094         Moved to tree.c.
3095         * tree.c (unsigned_type_for, signed_type_for): Moved from
3096         tree-ssa-loop-niter.c.  Use langhooks.
3097         * tree.h (signed_type_for): Export.
3098
3099 2004-09-16  David Edelsohn  <edelsohn@gnu.org>
3100
3101         * config/rs6000/rs6000.c (rs6000_xcoff_asm_named_section): Update
3102         prototype.
3103
3104 2004-09-15  Andrew Pinski  <pinskia@physics.uc.edu>
3105
3106         PR target/11572
3107         * c-incpath.h (target_c_incpath_s): Add extra_pre_includes.
3108         Add two parameters to extra_includes.
3109         (C_INCPATH_INIT): Remove.
3110         * c-incpath.c (register_include_chains): Call extra_pre_includes
3111         before adding the standard include directory.
3112         Update call to extra_includes.
3113         (!defined TARGET_EXTRA_INCLUDES): Update
3114         hook_void_charptr_charptr_int and add !define
3115         TARGET_EXTRA_PRE_INCLUDES.
3116         (!define TARGET_EXTRA_INCLUDES): Define as
3117         hook_void_charptr_charptr_int.
3118         (!define TARGET_EXTRA_PRE_INCLUDES): Likewise.
3119         (target_c_incpath): Always declare.
3120         * fixinclude.c (defined TARGET_EXTRA_INCLUDES): Declare a
3121         empty function.
3122         (define TARGET_EXTRA_PRE_INCLUDES): Likewise.
3123         * config/darwin.h: (darwin_register_frameworks): Update for
3124         the two new parameters.
3125         (darwin_register_objc_includes): Add prototype.
3126         (TARGET_EXTRA_PRE_INCLUDES): Define.
3127         * config/darwin-c.c (darwin_register_objc_includes): New function.
3128         (darwin_register_frameworks): Update for the two new parameters.
3129         (target_c_incpath): Remove.
3130         * config/t-darwin (darwin-c.o): Add $(PREPROCESSOR_DEFINES) to
3131         the compile line.
3132         * doc/tm.texi (TARGET_EXTRA_INCLUDES): Document the two new
3133         parameters.
3134         (TARGET_EXTRA_PRE_INCLUDES): Document.
3135
3136         * gcc.c (spec_function): Add replace-outfile.
3137         (replace_outfile_spec_function): New function.
3138         * config/darwin.h (LINK_SPEC): Add replace
3139         -lobjc with -lobjc-gnu if -fgnu-runtime is
3140         supplied.
3141         * invoke.texi (replace-outfile): Document.
3142
3143 2004-09-13  Jan Hubicka  <jh@suse.cz>
3144
3145         * predict.c (expr_expected_value, strip_builtin_expect): New function.
3146         (tree_predict_by_opcode): Use it.
3147         (tree_estimate_probability): Add, for now disabled,
3148         strip_builtin_expect call.
3149
3150 2004-09-15  James E Wilson  <wilson@specifixinc.com>
3151
3152         PR target/17455
3153         * config/ia64/ia64.c (ia64_function_ok_for_sibcall): Return false
3154         if current_function_decl is a sibcall.
3155
3156 2004-09-15  Mark Mitchell  <mark@codesourcery.com>
3157
3158         * varasm.c (default_function_rdodata_section): Make sure to pass
3159         along a decl for a link-once section.
3160
3161 2004-09-15  Richard Henderson  <rth@redhat.com>
3162
3163         * tree-ssa-operands.c (add_call_clobber_ops): Fix unused variable
3164         warning with code disable.  Fix formatting.
3165
3166 2004-09-15  Steven Bosscher  <stevenb@suse.de>
3167
3168         * Makefile.in (tree-ssa-dom.o): Depend on tree-ssa-propagate.h.
3169         * tree-ssa-dom.c (cprop_into_stmt): Recompute TREE_INVARIANT
3170         after propagating into an ADDR_EXPR.
3171
3172 2004-09-15  Andrew Pinski  <apinski@apple.com>
3173
3174         PR rtl-opt/17427
3175         * gcse.c (process_insert_insn): insn_invalid_p has side effects.
3176         Move it out of gcc_assert.
3177
3178 2004-09-15  Joseph S. Myers  <jsm@polyomino.org.uk>
3179
3180         * attribs.c, builtins.c, c-format.c, c-pch.c, coverage.c,
3181         except.c, fold-const.c, function.c, langhooks.c, params.c,
3182         reload.c, reload1.c, stmt.c, stor-layout.c, toplev.c, tree-cfg.c,
3183         tree-dump.c, tree-mudflap.c, tree.c, varasm.c: Use %<, %> and %q
3184         for quoting in diagnostics going through pretty-print.c.  Use ''
3185         for quoting in other diagnostic text.
3186         * langhooks.c: Include intl.h.  Mark text locating diagnostics for
3187         translation.
3188         * Makefile.in (langhooks.o): Update dependencies.
3189         * pretty-print.h (pp_printf): Mark as accepting GCC diagnostic
3190         formats.
3191
3192 2004-09-15  Mark Mitchell  <mark@codesourcery.com>
3193
3194         * configure.ac: Check for COMDAT support.  Robustify check for
3195         SHF_MERGE support.
3196         * configure: Regenerated.
3197         * config.in: Likewise.
3198         * langhooks-def.h (lhd_comdat_group): New function.
3199         (LANG_HOOKS_COMDAT_GROUP): New macro.
3200         (LANG_HOOKS_DECLS): Use it.
3201         * langhooks.c (lhd_comdat_group): Define.
3202         * langhooks.h (lang_hooks_for_decls): Add comdat_group.
3203         * output.h (named_section_flags): Make it a macro.
3204         (named_section_real): New function.
3205         (default_no_named_section): Add decl parameter.
3206         (default_elf_asm_named_section): Likewise.
3207         (default_coff_asm_named_section): Likewise.
3208         (default_pe_asm_named_section): Likewise.
3209         * target.h (gcc_target): Adjust type of named_section.
3210         * varasm.c (named_section_flags): Rename to named_section_real.
3211         Add decl parameter.
3212         (default_no_named_section): Add decl parameter.
3213         (default_elf_asm_named_section): Use COMDAT, if available.  Deal
3214         with the case that ASM_COMMENT_START is "@".
3215         (default_coff_asm_named_section): Add decl parameter.
3216         (default_pe_asm_named_section): Likewise.
3217         * config/alpha/alpha.c (vms_asm_named_section): Add decl
3218         parameter.
3219         (unicosmk_asm_named_section): Likewise.
3220         * config/arm/arm.c (arm_elf_asm_named_section): Remove.
3221         * config/arm/elf.h (TARGET_ASM_NAMED_SECTION): Likewise.
3222         * config/c4x/c4x.c (c4x_asm_named_section): Add decl parameter.
3223         * config/cris/cris-protos.h (cris_target_asm_named_section):
3224         Likewise.
3225         * config/cris/cris.c (cris_target_asm_named_section):
3226         Likewise.
3227         * config/darwin/darwin-protos.h (darwin_asm_named_section):
3228         Likewise.
3229         * config/darwin/darwin.c (darwin_asm_named_section): Likewise.
3230         * config/h8300/h8300.c (h8300_asm_named_section): Likewise.
3231         * config/i386/i386-protos.h (i386_pe_asm_named_section):
3232         Likewise.
3233         * config/i386/winnt.c (i386_pe_asm_named_section): Likewise.
3234         * config/m68k/m68k.c (m68k_coff_asm_named_section): Likewise.
3235         * config/mcore/mcore.c (mcore_asm_named_section): Likewise.
3236         * config/rs6000/rs6000.c (rs6000_xcoff_asm_named_section):
3237         Likewise.
3238         * config/sparc/sparc.c (sparce_elf_asm_named_section): Likewise.
3239         * cp/cp-lang.h (LANG_HOOKS_COMDAT_GROUP): Define.
3240         * cp/cp-tree.h (cxx_comdat_group): Declare.
3241         * cp/decl.c (cxx_comdat_group): New function.
3242
3243 2004-09-15  Jan Hubicka  <jh@suse.cz>
3244
3245         * tree-ssa.c (verify_flow_sensitive_alias_info): Do not walk dead nodes.
3246         * tree-tailcall.c (eliminate_tail_call): Release SSA name.
3247
3248         * tree-cfg.c (remove_bb): Release SSA defs.
3249
3250 2004-09-15  Kazu Hirata  <kazu@cs.umass.edu>
3251
3252         * doc/tm.texi: Follow spelling conventions.
3253
3254 2004-09-15  Kazu Hirata  <kazu@cs.umass.edu>
3255
3256         * tree-ssa-dom.c: Fix comment typos.
3257
3258 2004-09-15  Alan Modra  <amodra@bigpond.net.au>
3259
3260         * config/rs6000/linux-unwind.h (struct gcc_pt_regs): Extend to
3261         include ccr.
3262         (ppc_fallback_frame_state): Save location of CR.
3263
3264 2004-09-15  Jakub Jelinek  <jakub@redhat.com>
3265
3266         * expr.c (string_constant): Handle also read-only variables
3267         initialized to string literals.
3268
3269         * builtins.c (expand_builtin_memmove): Optimize memmove (x, y, 1)
3270         into memcpy (x, y, 1) if memcpy can be expanded inline.
3271
3272 2004-09-15  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
3273
3274         PR tree-optimization/17468
3275         * tree-ssa.c (verify_use, verify_phi_args, verify_ssa):  Verify that
3276         definition inside a block precede uses.
3277         * tree-tailcall.c (adjust_return_value): Emit statements in the
3278         correct order.
3279
3280 2004-09-15  Richard Sandiford  <rsandifo@redhat.com>
3281
3282         * config/mips/mips.h (POINTERS_EXTEND_UNSIGNED): Delete.
3283
3284 2004-09-15  Eric Botcazou  <ebotcazou@libertysurf.fr>
3285
3286         * doc/install.texi (sparc-sun-solaris2*): Properly format warning.
3287
3288 2004-09-14 Jeff Law  <law@redhat.com>
3289
3290         * tree-ssa-dom.c (avail_exprs_stack): New global varray.
3291         (struct dom_walk_block_data): Remove avail_exprs member.
3292         (tree_ssa_dominator_optimize): Initialize avail_exprs_stack.
3293         (lookup_avail_expr): No longer need to pass in address of
3294         the block local available exprs stack.  All callers changed.
3295         (simplify_cond_and_lookup_avail_expr): Similarly.
3296         (simplify_switch_and_lookup_avail_expr): Similarly.
3297         (get_eq_expr_value, record_cond): Likewise.
3298         (record_dominating_conditions): Likewise.
3299         (update_rhs_and_lookup_avail_expr): Likewise.
3300         (record_equivalences_from_stmt): Likewise.
3301         (dom_opt_initialize_block_local_data): No longer test state of
3302         block local avail_exprs.
3303         (dom_opt_initialize_block): Mark unwind point in the global
3304         avail_expr stack.
3305         (remove_expressions_from_table): Update to unwind to the
3306         most recent unwind marker in the global avail_expr stack.
3307         All callers changed.
3308         (dom_opt_finalize_block): Mark unwind point in the global
3309         avail_expr stack as needed.
3310         (record_cond): Push elements into the global avail_exprs stack.
3311
3312         * tree-dfa.c (free_df_for_stmt): No longer static.
3313         (free_df): Update comments.
3314         * tree-flow.h (free_df_for_stmt): Prototype.
3315         * tree-ssa-dse.c (dse_optimize_stmt): Call free_df_for_stmt.  Also
3316         call release_defs.
3317
3318 2004-09-14  Diego Novillo  <dnovillo@redhat.com>
3319
3320         PR tree-optimization/17252
3321         * tree-ssa-alias.c (may_alias_p): Don't assume that a
3322         pointer may not point to itself when using relaxed
3323         aliasing rules.
3324
3325 2004-09-14  Richard Henderson  <rth@redhat.com>
3326
3327         PR middle-end/17397
3328         * gimplify.c (gimplify_addr_expr): Don't inadvertently change types
3329         while folding <ADDR_EXPR <INDIRECT_REF X>>.
3330
3331 2004-09-14  Andrew Pinski  <apinski@apple.com>
3332
3333         * tree-ssa-copy.c (may_propagate_copy): Don't check the aliasing
3334         sets of the pointers but the aliasing sets of what they point to.
3335
3336 2004-09-14  Roger Sayle  <roger@eyesopen.com>
3337
3338         PR rtl-optimization/9771
3339         * regclass.c (CALL_REALLY_USED_REGNO_P): New macro to eliminate
3340         conditional compilation in init_reg_sets_1.
3341         (init_reg_sets_1): Let global_regs[i] take priority over the frame
3342         (but not stack) pointer exceptions to regs_invalidated_by_call.
3343         (globalize_reg): Globalizing a fixed register may need to update
3344         regs_invalidated_by_call.
3345
3346 2004-09-14  Diego Novillo  <dnovillo@redhat.com>
3347
3348         PR tree-optimization/15262
3349         * tree-dfa.c (dump_variable): Also print the type of the
3350         variable.
3351         * tree-ssa-alias.c (compute_flow_insensitive_aliasing): If two
3352         memory tags are of conflicting alias sets but have no aliased
3353         symbols in common, add one tag to the alias set of the other.
3354         (setup_pointers_and_addressables): Remove hack to deal with
3355         programs with no aliased symbols.
3356         (may_alias_p): Don't special case aggregate types.
3357
3358 2004-09-14  Joseph S. Myers  <jsm@polyomino.org.uk>
3359
3360         PR c/15498
3361         * doc/invoke.texi (Environment Variables): Correct example locale.
3362
3363 2004-09-14  Jan Hubicka  <jh@suse.cz>
3364
3365         * cfg.c (expunge_block): Revert previous change adding ggc_free call.
3366
3367 2004-09-14  Mark Mitchell  <mark@codesourcery.com>
3368
3369         * config.gcc: Do not build a shared libgcc for arm-none-eabi.
3370
3371 2004-09-14  Joseph S. Myers  <jsm@polyomino.org.uk>
3372
3373         * c-tree.h (struct c_declspecs): Add const_p, volatile_p and
3374         restrict_p.
3375         (struct c_declarator): Change u.array.quals and pointer_quals to
3376         int.  Add u.array.attrs.
3377         (quals_from_declspecs): New.
3378         * c-decl.c (quals_from_declspecs): New.
3379         (shadow_tag_warned): Give more specific message for useless type
3380         qualifiers.
3381         (build_array_declarator, set_array_declarator_inner,
3382         grokdeclarator, make_pointer_declarator, build_null_declspecs,
3383         declspecs_add_qual): Update for changed structures.
3384
3385 2004-09-14  Jeff Law  <law@redhat.com>
3386
3387         * tree-ssa-dom.c (stmts_to_rescan): Move from a block-local
3388         to a global varray.
3389         (tree_ssa_dominator_optimize): Allocate stmts_to_rescan.
3390         (dom_opt_initialize_block_local_data): No longer test state
3391         of stmts_to_rescan.
3392         (dom_opt_finalize_block): Update due to change in scope of
3393         stmts_to_rescan.
3394         (optimize_stmt): Similarly.
3395
3396 2004-09-14  Kazu Hirata  <kazu@cs.umass.edu>
3397
3398         * cgraph.h, cgraphunit.c, fold-const.c, lambda-mat.c,
3399         lambda.h, profile.c, tree-optimize.c, tree-sra.c, vec.h: Fix
3400         comment typos.  Follow spelling conventions.
3401
3402 2004-09-14  Kazu Hirata  <kazu@cs.umass.edu>
3403
3404         * config/darwin-c.c, config/alpha/alpha.c, config/i386/i386.c,
3405         config/i386/predicates.md, config/sparc/sparc.c: Follow
3406         spelling conventions.
3407
3408 2004-09-14  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
3409             Steven Bosscher  <stevenb@suse.de>
3410
3411         * Makefile.in (loop-unroll.o): Add HASHTAB_H and RECOG_H dependency.
3412         * basic-block.h (struct reorder_block_def): Add copy_number field.
3413         * cfgloop.h (biv_p): Declare.
3414         * cfgloopmanip.c (duplicate_loop_to_header_edge): Set copy_number.
3415         * common.opt (fsplit-ivs-in-unroller): New flag.
3416         * loop-iv.c (biv_p): New function.
3417         * loop-unroll.c: Include hashtab.h and recog.h.
3418         (struct iv_to_split, struct split_ivs_info): New types.
3419         (analyze_ivs_to_split, si_info_start_duplication, split_ivs_in_copies,
3420         free_si_info, si_info_hash, si_info_eq, analyze_iv_to_split_insn,
3421         determine_split_iv_delta, get_ivts_expr, allocate_basic_variable,
3422         insert_base_initialization, split_iv): New functions.
3423         (peel_loop_completely, unroll_loop_constant_iterations,
3424         unroll_loop_runtime_iterations, peel_loop_simple, unroll_loop_stupid):
3425         Use them.
3426         * doc/invoke.texi (-fsplit-ivs-in-unroller): Document.
3427
3428 2004-09-14  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
3429
3430         * tree-cfg.c (thread_jumps): Update dominators correctly in
3431         case destination of threaded edge dominates its source.
3432
3433 2004-09-14  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
3434
3435         * unroll.c: Removed.
3436         * loop.h: Removed.
3437         * Makefile.in (LOOP_H, unroll.o): Removed.
3438         (toplev.o, passes.o, stmt.o, integrate.o, loop.o): Remove LOOP_H
3439         dependency.
3440         * alias.c (init_alias_analysis): Remove flag_old_unroll_loops
3441         reference.
3442         * cfgloop.h (LOOP_PREFETCH, loop_optimize): Moved from loop.h.
3443         * common.opt (fold-unroll-loops, fold-unroll-all-loops): Removed.
3444         * loop.c: Do not include loop.h.
3445         (LOOP_INFO, LOOP_MOVABLES, LOOP_REGS, LOOP_IVS, INSN_LUID,
3446         REGNO_FIRST_LUID, REGNO_LAST_LUID, enum g_types, struct induction,
3447         struct iv_class, enum iv_mode, struct iv, REG_IV_TYPE, REG_IV_INFO,
3448         REG_IV_CLASS, struct loop_ivs, struct loop_mem_info, struct loop_reg,
3449         struct loop_regs, struct loop_movables, struct loop_info): Moved
3450         from loop.h.
3451         (back_branch_in_range_p, fold_rtx_mult_add, biv_total_increment,
3452         reg_dead_after_loop, final_biv_value, loop_find_equiv_value,
3453         find_common_reg_term, loop_iterations, final_giv_value): Moved
3454         from unroll.c.
3455         (uid_luid, uid_loop, max_uid_for_loop, max_reg_before_loop,
3456         loop_dump_stream, for_each_insn_in_loop, express_from,
3457         extend_value_for_giv, loop_iv_add_mult_emit_before,
3458         loop_iv_add_mult_sink, loop_iv_add_mult_hoist,
3459         loop_insn_first_p, get_condition_for_loop,
3460         loop_insn_emit_before, loop_insn_hoist,
3461         loop_insn_sink): Made static.
3462         (loop_invariant_p): Made static.  Removed flag_old_unroll_loops
3463         reference.
3464         (strength_reduce): Do not call unroller.
3465         (record_giv): Do not initialize unrolled field.
3466         (prescan_loop): Do not set loop_info->preconditioned.
3467         * passes.c: Do not include loop.h.
3468         (rest_of_handle_loop_optimize): Do not call unroller.
3469         * predict.c: Do not include loop.h.
3470         * rtl.h (NOTE_PRECONDITIONED): Removed.
3471         * stmt.c: Do not include loop.h.
3472         * toplev.c: Do not include loop.h.
3473         (process_options): Do not handle flag_old_unroll_loops.
3474
3475         * doc/invoke.texi (fold-unroll-loops, fold-unroll-all-loops):
3476         Documentation removed.
3477         * doc/passes.texi (unroll.c, loop.h): Documentation removed.
3478
3479 2004-09-14  Nathan Sidwell  <nathan@codesourcery.com>
3480
3481         * Makefile.in (STAGE1_CHECKING): New variable.
3482         (stage1_build): Use it.
3483         * tree-ssa.c (verify_ssa): Preserve state of dominance
3484         information.
3485
3486 2004-09-14  Uros Bizjak  <uros@kss-loka.si>
3487
3488         * config/i386/i386.c (output_fp_compare): Add generation
3489         of ftst instruction.
3490         * config/i386/i386.md (*cmpfp_0_sf, cmpfp_0_df, cmpfp_0_xf):
3491         Use output_fp_compare () function.
3492         (cmpfp_i, *cmpfp_i_sse, *cmpfp_i_sse_only): Fix insn constraint.
3493         (fix_truncdi_memory): Remove operands[5] copy.
3494
3495 2004-09-14  Kazu Hirata  <kazu@cs.umass.edu>
3496
3497         * config/m32r/m32r.md, config/m68k/m68kelf.h,
3498         config/mcore/mcore.md, config/rs6000/linux64.h,
3499         config/rs6000/rs6000.c, config/sparc/sparc.c: Fix comment
3500         typos.
3501
3502 2004-09-13  James E Wilson  <wilson@specifixinc.com>
3503
3504         * Makefile.in (GEN_PROTOS_OBJS): Add $(BUILD_ERRORS).
3505         * gen-protos.c: Include errors.h.
3506         (progname): Delete.
3507
3508 2004-09-14  Jan Hubicka  <jh@suse.cz>
3509
3510         * Makefile.in (predict.o): Depend on tree-scalar-evolution.h
3511         * predict.c: Include tree-scalar-evolution.h and cfgloop.h
3512         (predict_loops): Use number_of_iterations_exit to predict
3513         number of iterations on trees.
3514
3515 2004-09-13  Dale Johannesen  <dalej@apple.com>
3516
3517         PR 17408
3518         PR 17409
3519         * c-decl.c (start_decl): Repair TREE_STATIC for initialized
3520         objects declared extern.
3521
3522 2004-09-14  Paul Brook  <paul@codesourcery.com>
3523
3524         * config/arm/arm.c (arm_expand_prologue): Make args_to_push a
3525         HOST_WIDE_INT.
3526
3527 2004-09-13  Daniel Jacobowitz  <dan@debian.org>
3528
3529         * fold-const.c (fold_checksum_tree): Ignore TYPE_CACHED_VALUES.
3530         Only use TYPE_BINFO for aggregates.
3531
3532 2004-09-13  Daniel Jacobowitz  <dan@debian.org>
3533
3534         * expmed.c (synth_mult): Initialize latency.  Check cost before
3535         checking ops count.
3536
3537 2004-09-13  Kenneth Zadeck  <Kenneth.Zadeck@NaturalBridge.com>
3538
3539         * tree-ssa-operands.c (get_call_expr_operands): Added parm to
3540         add_call_clobber_ops and add_call_read_ops.
3541         (add_call_clobber_ops, add_call_read_ops): Added code to reduce
3542         the number of vdefs and vuses inserted based on analysis of global
3543         variables across calls.  * tree-dfa.c (find_referenced_vars):
3544         Needed to reset static var maps before each function is compiled.
3545         * cgraphunit.c:
3546         (static_vars_to_consider_by_tree,static_vars_to_consider_by_uid,
3547         static_vars_info,functions_to_static_vars_info,module_statics_escape,
3548         all_module_statics,searchc_env,dfs_info): New fields to support
3549         analysis of static global variables.
3550         (print_order, convert_UIDs_in_bitmap, new_static_vars_info,
3551         cgraph_reset_static_var_maps, get_global_static_vars_info,
3552         get_global_statics_not_read, get_global_statics_not_written,
3553         searchc, cgraph_reduced_inorder, has_proper_scope_for_analysis,
3554         check_rhs_var, check_lhs_var, get_asm_expr_operands,
3555         process_call_for_static_vars, scan_for_static_refs,
3556         cgraph_characterize_statics_local, cgraph_get_static_name_by_uid,
3557         clear_static_vars_maps, cgraph_propagate_bits,
3558         cgraph_characterize_statics): New. Functions to support analysis
3559         of static global variables.
3560         (cgraph_mark_local_and_external_functions): Renamed from:
3561         (cgraph_mark_local_functions)
3562         (cgraph_expand_all_functions): Remove call to
3563         cgraph_mark_local_and_external_functions.
3564         (cgraph_optimize): Added driver to analyze static variables whose
3565         scope is within the compilation unit.  * cgraph.h (struct
3566         cgraph_local_info, GTY): Added statics_read, statics_written,
3567         local, calls_read_all, calls_write_all, for_functions_valid.
3568         (struct cgraph_node): Added next_cycle.  * cgraph.c
3569         (dump_cgraph_node): Added print routines for new fields.  *
3570         makefile.in: macroized cgraph.h, added cgraphunit.c to the ggc
3571         list.
3572
3573 2004-09-13  Joseph S. Myers  <jsm@polyomino.org.uk>
3574
3575         * c-decl.c (grokdeclarator): Correct comments about where storage
3576         class specifiers are rejected by grammar and add corresponding
3577         asserts.  Diagnose typedefs and parameters declared inline.
3578         Change warning for inline main to a pedwarn.  Only diagnose inline
3579         main if hosted.
3580         (declspecs_add_scspec): Allow duplicate "inline".
3581
3582 2004-09-13  Steve Ellcey  <sje@cup.hp.com>
3583
3584         * config/ia64/ia64.c (ia64_scalar_mode_supported_p): New.
3585         (TARGET_SCALAR_MODE_SUPPORTED_P): New.
3586
3587 2004-09-13  Richard Henderson  <rth@redhat.com>
3588
3589         PR 17436
3590         * tree.h (TYPE_CONTAINS_PLACEHOLDER_INTERNAL): New.
3591         (tree_type): Replace spare with contains_placeholder_bits.
3592         (type_contains_placeholder_1): Rename from type_contains_placeholder_p,
3593         make static.  Remove seen_types list.
3594         (type_contains_placeholder_p): New.
3595
3596 2004-09-13  James E Wilson  <wilson@specifixinc.com>
3597
3598         * config/mips/mips.c (CODE_FOR_mips_sqrt_ps): New.
3599         (sb1_bdesc, bdesc_map, bdesc_arrays): New.
3600         (mips_expand_builtin): Add SB-1 support.  Use bdesc_map and
3601         bdesc_arrays instead of mips_bdesc.
3602         (mips_init_builtins): Likewise.
3603         * config/mips/mips.h (TARGET_SB1): New.
3604         (HAVE_SQRT_P): Delete.
3605         * config/mips/mips.md (divide_condition): Support V2SF.
3606         (sqrt_condition, recip_condition): New.
3607         (div<mode>3): Use ANYF instead of SCALARF.
3608         (*div<mode>3): Use ANYF instead of SCALARF.  Use UNITMODE instead of
3609         MODE.
3610         (*recip<mode>3, *rsqrt<mode>a, *rsqrt<mode>b): Use recip_condition
3611         instead of ISA_HAS_FP4.  Use ANYF instead of SCALARF.  Use UNITMODE
3612         instead of MODE.
3613         (sqrt<mode>2): Use sqrt_condition instead of HAVE_SQRT_P.  Use ANYF
3614         instead of SCALARF.  Use UNITMODE instead of MODE.
3615
3616 2004-09-13  Zack Weinberg  <zack@codesourcery.com>
3617
3618         * config.in: Regenerate after removal of libbanshee.
3619
3620 2004-09-13  Andrew MacLeod  <amacleod@redhat.com>
3621
3622         PR tree-optimization/17400
3623         * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Don't
3624         coalesce partitions when one occurs in an abnormal PHI.
3625
3626 2004-09-13  Andrew Pinski  <apinski@apple.com>
3627
3628         * config/rs6000/darwin.h (ASM_OUTPUT_COMMON): Change variable size's
3629         name to _new_size.
3630
3631 2004-09-13  Richard Henderson  <rth@redhat.com>
3632
3633         PR inline-asm/6806
3634         * cselib.c (cselib_invalidate_rtx): Export.  Remove unused args.
3635         (cselib_invalidate_rtx_note_stores): New.
3636         (cselib_record_sets, cselib_process_insn): Update to match.
3637         * cselib.h (cselib_invalidate_rtx): Declare.
3638         * postreload.c (reload_cse_simplify): Invalidate asm clobbers.
3639
3640 2004-09-13  Richard Henderson  <rth@redhat.com>
3641
3642         PR tree-opt/10528
3643         * tree-inline.c (copy_body_r): Recompute bits for ADDR_EXPR,
3644         after copying its argument.
3645
3646 2004-09-13  Joseph S. Myers  <jsm@polyomino.org.uk>
3647
3648         * c-common.c, c-decl.c, c-lex.c, c-objc-common.c, c-opts.c,
3649         c-parse.in, c-pragma.c, c-typeck.c: Use %q, %< and %> for quoting
3650         in diagnostics.  Use %' for English apostrophes.
3651         * c-tree.h (ATTRIBUTE_GCC_CDIAG): Define.
3652         (pedwarn_c90, pedwarn_c99): Use it.
3653         * c-decl.c (lookup_label): Quote label name in diagnostic.
3654         * c-parse.in (yyprint): Use ' instead of ` for left quote.
3655         * c-typeck.c (warn_for_assignment): Likewise.
3656
3657 2004-09-13  Jan Hubicka  <jh@suse.cz>
3658
3659         * i386.c (x86_schedule): New global variable.
3660         (override_options): Disable scheduling when not supported.
3661         * i386.h (x86_schedule): Declare.
3662         (TARGET_SCHEDULE): New macro.
3663
3664 2004-09-12  Richard Henderson  <rth@redhat.com>
3665
3666         PR c++/16254
3667         * fold-const.c (fold) <case CLEANUP_POINT_EXPR>: Remove.
3668         * tree.c, tree.h (has_cleanups): Remove.
3669
3670 2004-09-12  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
3671
3672         * tree-ssa-loop-manip.c (split_loop_exit_edge): Handle non-ssaname
3673         arguments of the phi nodes correctly.
3674
3675 2004-09-12  Jan Hubicka  <jh@suse.cz>
3676
3677         * ggc-common.c (cmp_statistics): Fix sorting.
3678
3679 2004-09-12  David Edelsohn  <edelsohn@gnu.org>
3680
3681         PR target/16795
3682         * expmed.c (expand_divmod): If cheap power of 2 divide is
3683         available, use it for negative constant as well.
3684
3685 2004-09-12  Andrew Pinski  <apinski@apple.com>
3686
3687         * darwin.h (ASM_OUTPUT_COMMON): Make sure we do not have a
3688         size of 0.
3689
3690         * tree-chrec.c (initialize_scalar_evolutions_analyzer): Remove.
3691
3692 2004-09-12  Richard Henderson  <rth@redhat.com>
3693
3694         * config/i386/i386.c (ix86_split_ashldi): Special case op1 as one
3695         or minus one.
3696         (ix86_split_ashrdi, ix86_split_lshrdi): Clean up conditions for
3697         post-reload, and scratch NULL.
3698         * config/i386/i386.md (testqi_1): Use FLAGS_REG name.
3699         (x86_shift_adj_2): Use ix86_expand_clear.
3700         (ashldi3): Remove CMOVE expansion difference.
3701         (ashldi3_1): Remove.
3702         (*ashldi3_1): Rename from *ashldi3_2.  Use reg_or_pm1_operand and
3703         add constraints for immediates.  New peephole for split-with-temp.
3704         Run splitter after peep2 pass.
3705         (ashrdi3, ashrdi3_1, ashrdi3_2): Similarly.
3706         (lshrdi3, lshrdi3_1, lshrdi3_2): Similarly.
3707         (setcc_2): Rename with *.
3708         * config/i386/predicates.md (reg_or_pm1_operand): New.
3709         (ashldi_input_operand): New.
3710
3711 2004-09-12  Richard Henderson  <rth@redhat.com
3712
3713         * print-rtl.c (print_decl_name): New.
3714         (print_mem_expr): Use it.
3715
3716 2004-09-12  Richard Henderson  <rth@redhat.com
3717
3718         PR 17186, part deux
3719         * except.c (sjlj_emit_function_exit): Fix logic locating
3720         sjlj_exit_after in final block.
3721
3722 2004-09-12  Toon Moene  <toon@moene.indiv.nluug.nl>
3723
3724         * common.opt: Remove flags -fmove-all-movables and
3725         -freduce-all-givs.
3726         * loop-invariant.c (find_invariants_to_move):
3727         Remove all uses of flag_move_all_movables.
3728         * loop.c (move_movables): Remove all uses of
3729         flag_move_all_movables.
3730         (strength_reduce): Remove all uses of
3731         flag_reduce_all_givs.
3732         * doc/invoke.texi: Remove documentation of flags
3733         -fremove-all-movables and -freduce-all-givs.
3734
3735 2004-09-11  Roger Sayle  <roger@eyesopen.com>
3736
3737         PR middle-end/17411
3738         * tree-sra.c (generate_element_zero): Revert recent build_int_cst
3739         change. elt->type may be a floating point type, so use fold_convert.
3740
3741 2004-09-11  Geoffrey Keating  <geoffk@apple.com>
3742
3743         * config/darwin.c (machopic_validate_stub_or_non_lazy_ptr): Mark
3744         the thing referenced as used, not the stub itself.
3745
3746 2004-09-11  Joseph S. Myers  <jsm@polyomino.org.uk>
3747
3748         * c-tree.h (enum c_storage_class): New.
3749         (struct c_declspecs): Add storage_class, inline_p and thread_p.
3750         * c-decl.c (shadow_tag_warned): Give errors for "inline" in empty
3751         declarations and "auto" or "register" in file scope empty
3752         declarations.  Give more specific warnings for other cases of
3753         storage class specifiers in empty declarations.
3754         (grokdeclarator): Update for new structures.  Don't check for
3755         multiple storage classes.  Diagnose file-scope "register" if
3756         pedantic.
3757         (build_null_declspecs): Update.
3758         (declspecs_add_scspec): Update.  Diagnose multiple storage class
3759         specifiers and invalid uses of "__thread".
3760
3761 2004-09-11  Zack Weinberg  <zack@codesourcery.com>
3762
3763         * tree.c (tree_code_size): New function, bulk of code from tree_size.
3764         (tree_size, make_node): Use it.
3765         * tree-ssa-pre.c (init_pre): Use it.
3766         * tree.h: Prototype it.
3767
3768 2004-09-11  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
3769
3770         * tree-cfg.c (set_bb_for_stmt): Use PHI_BB.
3771         * tree-dfa.c (compute_immediate_uses, add_immediate_use,
3772         redirect_immediate_use): Use PHI_DF.
3773         * tree-flow-inline.h (stmt_ann): Abort on phi nodes.
3774         (bb_for_stmt): Use PHI_BB.
3775         (get_immediate_uses): Use PHI_DF.
3776         * tree-ssa-dse.c (max_stmt_uid): New variable.
3777         (get_stmt_uid): New function.
3778         (dse_optimize_stmt, dse_record_phis, tree_ssa_dse): Do not use phi
3779         node annotations.
3780         * tree-ssa-loop-im.c (LIM_DATA): Do not use phi statement annotations.
3781         (max_uid): Renamed to max_stmt_uid.
3782         (get_stmt_uid): New function.
3783         (maybe_queue_var, single_reachable_address, determine_lsm): Do not use
3784         phi node annotations.
3785         * tree-ssa.c (replace_immediate_uses): Do not use phi node annotations.
3786         * tree.h (PHI_BB, PHI_DF): New accessor functions.
3787         (struct tree_phi_node): Add bb and df fields.
3788
3789 2004-09-11  Richard Henderson  <rth@redhat.com>
3790
3791         PR middle-end/17416
3792         * cfgexpand.c (expand_used_vars_for_block): Fix off-by-one bug
3793         in conflict loop.
3794
3795 2004-09-11  Jan Hubicka  <jh@suse.cz>
3796
3797         * i386.h (MODE_NEEDED): Calls need UNINITIALIZED mode; add comment.
3798         (EMIT_MODE_SET): UNINITIALIZED mode needs no set.
3799         * i386.md (i387_cw): Add 'uninitialized' mode.
3800
3801         * profile.c (BB_TO_GCOV_INDEX): move more to the front.
3802         (output_location): Break out from ....
3803         (branch_prob): ... here; handle gcov output on trees.
3804         * toplev.c (process_options): No longer be sorry about coverage for
3805         trees.
3806
3807 2004-09-11  Steven Bosscher  <stevenb@suse.de>
3808
3809         PR c++/17412
3810         * fold-const.c (fold): Do not try to fold the operand of a
3811         CLEANUP_POINT_EXPR if that operand does itself not have any
3812         operands.
3813
3814         PR middle-end/17417
3815         * langhooks.c (lhd_decl_printable_name): Make sure that this
3816         function is called with is a decl node that has an identifier.
3817         * tree-pretty-print.c (dump_function_name): New function to
3818         wrap PRINT_FUNCTION_NAME and dump_decl_name.
3819         (print_call_name): Use it.
3820
3821 2004-09-11  Mohan Embar  <gnustuff@thisiscool.com>
3822
3823         * ggc-none.c: Include "bconfig.h" if -DGENERATOR_FILE,
3824         "config.h" if not.
3825
3826 2004-09-11  Jakub Jelinek  <jakub@redhat.com>
3827
3828         * tree-ssa-alias.c (collect_points_to_info_r): Handle
3829         pointing to PTR + OFFSET as PTR, not as pointing to PTR or pointing
3830         to OFFSET.
3831
3832 2004-09-11  Richard Henderson  <rth@redhat.com>
3833
3834         * expr.c (expand_expr_addr_expr_1) Rename from expand_expr_addr_expr.
3835         (expand_expr_addr_expr): New function.  Take ADDR_EXPR instead of the
3836         operand of the ADDR_EXPR.
3837         (expand_expr_real_1): Update to match.
3838
3839 2004-09-11  David Edelsohn  <edelsohn@gnu.org>
3840
3841         PR target/17277
3842         * config/rs6000/aix.h (MD_FROB_UPDATE_CONTEXT): Use __64BIT__ to
3843         choose 64-bit version.
3844
3845 2004-09-11  Richard Henderson  <rth@redhat.com>
3846
3847         PR c/17396
3848         * c-typeck.c (build_unary_op): Add legacy offsetof hack.
3849
3850 2004-09-11  Kazu Hirata  <kazu@cs.umass.edu>
3851
3852         * doc/cfg.texi, doc/hostconfig.texi, doc/install.texi,
3853         doc/invoke.texi, doc/md.texi, doc/tm.texi, doc/tree-ssa.texi:
3854         Insert @: after i.e. or e.g.
3855
3856 2004-09-10  Geoffrey Keating  <geoffk@apple.com>
3857
3858         * tree-pretty-print.c (dump_decl_name): Print unnamed decls as
3859         D.xxx rather than <Dxxx>.
3860
3861 2004-09-10  Adam Nemet  <anemet@lnxw.com>
3862
3863         * configure.ac (AC_MSG_CHECKING(what linker to use)):
3864         in_tree_ld_is_elf should be true for LynxOS.
3865         * configure: Regenerate.
3866
3867 2004-09-10  Adam Nemet  <anemet@lnxw.com>
3868
3869         * Makefile.in (all.cross): Add srcextra.
3870
3871 2004-09-10  Roger Sayle  <roger@eyesopen.com>
3872
3873         PR middle-end/17024
3874         * fold-const.c (fold_cond_expr_with_comparison): Handle unordered
3875         floating point comparison operators.  Change aborts to gcc_asserts.
3876
3877 2004-09-10  Geoffrey Keating  <geoffk@apple.com>
3878
3879         * final.c (output_asm_insn): Correct problem with -fverbose-asm.
3880
3881 2004-09-10  James E Wilson  <wilson@specifixinc.com>
3882
3883         * Makefile.in (LIBGCC_DEPS): Delete duplicate stmp-int-hdrs reference.
3884         (stmp-fixproto): Change stmp-int-headers to stmp-int-hdrs in comment.
3885
3886         * convert.c (convert_to_vector): Replace recursive call with
3887         error_mark_node.
3888
3889         * emit-rtl.c (gen_const_vector): Renamed from gen_const_vector_0.
3890         Add integer argument named constant.  Use const_tiny_rtx instead of
3891         CONST0_RTX.
3892         (gen_rtx_CONST_VECTOR): Rewrite to handle checks for both CONST0_RTX
3893         and CONST1_RTX.
3894         (init_emit_once): Fix users of gen_const_vector.  Set CONST1_RTX for
3895         vector types.
3896         * expr.c (const_vector_from_tree): Call gen_rtx_CONST_VECTOR instead
3897         of gen_rtx_raw_CONST_VECTOR.
3898
3899 2004-09-10  Eric Christopher  <echristo@redhat.com>
3900
3901         PR c/16046
3902         * c-parse.in (attribute): Add NULL_TREE for error case
3903         for error recovery.
3904
3905 2004-09-10  Zack Weinberg  <zack@codesourcery.com>
3906
3907         * c-common.h (struct c_fileinfo): Comment moved here from cp-tree.h.
3908         (extract_interface_info): Delete prototype.
3909         * c-decl.c (extract_interface_info): Delete stub.
3910         * c-lex.c (get_fileinfo): Initialize file_info_tree here, if
3911         it's not already been done ...
3912         (init_c_lex): ... not here.
3913         (fe_file_change): Don't call extract_interface_info.
3914
3915 2004-09-11  Joseph S. Myers  <jsm@polyomino.org.uk>
3916
3917         * c-tree.h (struct c_declspecs): Remove typedef_decl.  Add
3918         typedef_p and typedef_signed_p.
3919         * c-decl.c (shadow_tag_warned): Check typedef_p, not typedef_decl.
3920         (grokdeclarator): Don't use typedef_decl for warn_deprecated_use.
3921         Check typedef_p and typedef_signed_p, not typedef_decl.
3922         (grokfield): Check typedef_p, not typedef_decl.
3923         (build_null_declspecs): Initialize typedef_p and typedef_signed_p,
3924         not typedef_decl.
3925         (declspecs_add_type): Set typedef_p and typedef_signed_p, not
3926         typedef_decl.
3927
3928 2004-09-10  Kazu Hirata  <kazu@cs.umass.edu>
3929
3930         * doc/tm.texi, doc/tree-ssa.texi: Fix typos.
3931
3932 2004-09-10  Geoffrey Keating  <geoffk@apple.com>
3933
3934         * gimplify.c (create_tmp_var_raw): Don't name otherwise-nameless
3935         temporary variables.
3936
3937         * dbxout.c (dbxout_block): Update for
3938         current_function_func_begin_label a string.
3939         * dwarf2out.c (dwarf2out_begin_prologue): Likewise.
3940         * except.c (dw2_output_call_site_table): Likewise.
3941         * toplev.c (current_function_func_begin_label): Likewise.
3942         * tree.h (current_function_func_begin_label): Likewise.
3943         * config/rs6000/linux64.h (DBX_OUTPUT_BRAC): Likewise.
3944
3945         * final.c (output_asm_insn): Use strtoul instead of atoi, save a
3946         loop.
3947
3948         * config/darwin.c: Include target.h.
3949         (struct machopic_indirection): Make ptr_name a string.
3950         (machopic_indirection_hash): Update for ptr_name a string.
3951         (machopic_indirection_eq): Likewise.
3952         (machopic_indirection_name): Likewise.
3953         (machopic_output_indirection): Likewise.
3954         (machopic_validate_stub_or_non_lazy_ptr): Update for ptr_name a
3955         string.  Don't expect stub names to be in the identifier hash table.
3956         Do call strip_name_encoding before looking up entry in ID hash table.
3957         * config/t-darwin (darwin.o): Add target.h to dependencies.
3958
3959         * gcc/config/rs6000/rs6000.c (print_operand): Use fputs instead
3960         of fprintf for register names.
3961
3962         * output.h (unlikely_section_label): Delete declaration.
3963         (unlikely_text_section_name): Likewise.
3964         * varasm.c (unlikely_section_label_printed): Make static.
3965         (unlikely_section_label): Likewise.
3966         (unlikely_text_section_name): Likewise.
3967         (assemble_start_function): Use reconcat.
3968
3969         * rtl.def (REG): Add comment to describe third field.
3970
3971 2004-09-10  Andrew Pinski  <apinski@apple.com>
3972
3973         * config/darwin.c (machopic_mcount_stub_name): Call
3974         machopic_indirection_name instead of making the string
3975         ourselves.
3976
3977 2004-09-10  Diego Novillo  <dnovillo@redhat.com>
3978
3979         Revert
3980
3981         2004-09-08  Jie Zhang  <zhangjie@magima.com.cn>
3982
3983             * tree-ssa-alias.c (compute_flow_insensitive_aliasing): If type
3984             memory tag is call clobbered, so are its aliases.
3985             (group_aliases): When two memory tags being grouped, if one is
3986             call clobbered, so are the other and its aliases.
3987             (add_may_alias): Remove call-clobbering stuff.
3988             (replace_may_alias): Likewise.
3989             (merge_pointed_to_info): Merge pt_global_mem
3990
3991 2004-09-10  Kazu Hirata  <kazu@cs.umass.edu>
3992
3993         * bb-reorder.c, c-common.c, c-incpath.c, c-typeck.c,
3994         genrecog.c, lambda-code.c, mips-tdump.c, mips-tfile.c,
3995         passes.c, tree-data-ref.c, tree-data-ref.h, tree-mudflap.c,
3996         tree-scalar-evolution.c, tree-ssa-copyrename.c,
3997         tree-ssa-live.c, tree-ssa-live.h: Fix comment typos.
3998
3999 2004-09-10  Richard Sandiford  <rsandifo@redhat.com>
4000
4001         * config/frv/frv.md (UNSPEC_MASACCS, UNSPEC_MDASACCS): New constants.
4002         (maddaccs, msubaccs, *maddacc): Turn operand 0 into a single ACC/ACCG
4003         pair.  Remove match_dup from inputs.  Remove masaccs handling.
4004         (mdaddaccs, mdsubaccs, *mdaddacc): Likewise a dual ACC/ACCG pair.
4005         (masaccs, mdasaccs): Turn into define_insns.
4006
4007 2004-09-10  Richard Sandiford  <rsandifo@redhat.com>
4008
4009         * tree-tailcall.c (process_assignment): Only do accumulator transforms
4010         for floating-point types if flag_unsafe_math_optimizations.
4011
4012 2004-09-10  Kazu Hirata  <kazu@cs.umass.edu>
4013
4014         * config/darwin.c, config/alpha/alpha.h, config/arm/arm.c,
4015         config/arm/arm.h, config/arm/arm.md, config/arm/bpabi.h,
4016         config/arm/predicates.md, config/frv/frv.c, config/frv/frv.md,
4017         config/h8300/h8300.md, config/i386/gmm_malloc.h,
4018         config/ia64/ia64.md, config/ip2k/libgcc.S,
4019         config/mips/mips-ps-3d.md, config/mips/mips.c,
4020         config/rs6000/rs6000.c, config/s390/s390.c,
4021         config/sh/symbian.c: Fix comment typos.
4022
4023 2004-09-10  Andreas Krebbel  <krebbel1@de.ibm.com>
4024
4025         * config/s390/s390.c (s390_emit_prologue): Added missing
4026         "{}" brackets.
4027
4028 2004-09-10  Kazu Hirata  <kazu@cs.umass.edu>
4029
4030         * doc/extend.texi, doc/invoke.texi, doc/passes.texi: Fix
4031         typos.  Follow spelling conventions.
4032
4033 2004-09-10  Joseph S. Myers  <jsm@polyomino.org.uk>
4034
4035         * toplev.c (warn_deprecated_use): Correct logic for saying "type"
4036         in diagnostic.  Don't dereference NULL TYPE_NAME.
4037
4038 2004-09-10  Kazu Hirata  <kazu@cs.umass.edu>
4039
4040         * c-common.c, c-pch.c, defaults.h, lambda-code.c, passes.c,
4041         tree-data-ref.c, tree-flow.h, tree-ssa-operands.c,
4042         tree-ssa-threadupdate.c, tree-vectorizer.c, tree-vectorizer.h,
4043         value-prof.c: Fix comment typos.  Follow spelling conventions.
4044
4045 2004-09-10  Jan Hubicka  <jh@suse.cz>
4046
4047         * tree-ssa-dce.c (remove_dead_stmt): Update profile.
4048         * tree-split_edge.c (tree_split_edge): Likewise.
4049         (thread_jumps): Likewise.
4050
4051 2004-09-10  Kazu Hirata  <kazu@cs.umass.edu>
4052
4053         * cgraphunit.c, predict.c, tree-ssa-loop-ivopts.c: Fix comment
4054         typos.
4055
4056 2004-09-10  Paolo Bonzini  <bonzini@gnu.org>
4057
4058         * cgraph.h (cgraph_dump_file): Do not declare.
4059         * cgraphunit.c (cgraph_dump_file): Declare as static.
4060         (init_cgraph): New.
4061         * toplev.c (cgraph_dump_file): Do not declare.
4062         (compile_file): Call init_cgraph.
4063         * tree-dump.c (dump_files): Add IPA dump file, remove
4064         XML dump of call graph.
4065         (get_dump_file_name): Support IPA dump file naming scheme.
4066         * tree.h (enum tree_dump_index): Add IPA dump file, remove
4067         XML dump of call graph.
4068         * doc/invoke.texi (Debugging Options): Document the new options.
4069
4070 2004-09-10  Richard Sandiford  <rsandifo@redhat.com>
4071
4072         * doc/extend.texi: Document the FR-V built-in functions.
4073
4074 2004-09-09  James E Wilson  <wilson@specifixinc.com>
4075
4076         * doc/sourcebuild.texi: Delete libbanshee reference.
4077
4078 2004-09-10  Kelley Cook  <kcook@gcc.gnu.org>
4079
4080         * Makefile.in (s-gtype): Add $(build_exeext) to gengtype command.
4081
4082 2004-09-09  James E Wilson  <wilson@specifixinc.com>
4083
4084         * c-typeck.c (convert_for_assignment): Check that rhs has VECTOR_TYPE
4085         before calling vector_types_convertible_p.
4086         (digest_init): Check that inside_init has VECTOR_TYPE before calling
4087         vector_types_convertible_p.  Don't give another error if
4088         convert_for_assignment returns error_mark_node.
4089
4090 2004-09-09  Roger Sayle  <roger@eyesopen.com>
4091
4092         PR middle-end/17055
4093         * fold-const.c (build_zero_vector): New function to construct a
4094         vector (either floating point or integer) of zeros.
4095         (fold_convert): Internally, enable conversions of integer zero
4096         to arbitrary vector types, using the new build_zero_vector.
4097
4098 2004-09-09  Roger Sayle  <roger@eyesopen.com>
4099
4100         * config/i386/i386.c (ix86_expand_ashlsi3_const): New function to
4101         expand a left shift by an immediate constant as either an ashl or
4102         a sequence of additions.
4103         (ix86_split_ashldi): Use new ix86_expand_ashlsi3_const function
4104         instead of calling gen_ashlsi3 with a constant directly.
4105
4106 2004-09-09  Roger Sayle  <roger@eyesopen.com>
4107
4108         * config/i386/i386.c (ix86_split_long_move): When optimizing for
4109         size, and the low and high parts of a DImode constant are equal,
4110         copy one register to another instead of loading the same immediate
4111         value twice.
4112
4113 2004-09-09  Richard Henderson  <rth@redhat.com>
4114
4115         PR middle-end/17367
4116         * function.c (assign_parm_setup_block): Only put PARALLELs into
4117         a register if use_register_for_decl.
4118
4119 2004-09-09  Eric Christopher  <echristo@redhat.com>
4120
4121         * ra-colorize.c (reset_lists): Move variable declaration inside
4122         ENABLE_CHECKING to avoid unused variable warnings when
4123         not --enable-checking.
4124         (check_colors): Ditto.
4125
4126 2004-09-09  Mike Stump  <mrs@apple.com>
4127
4128         * version.c (version_string): Bump to 4.0.0.
4129         * doc/include/gcc-common.texi (version-GCC): Likewise.
4130
4131 2004-09-10  Jakub Jelinek  <jakub@redhat.com>
4132
4133         * doc/extend.texi (nothrow attribute): The attribute is not
4134         implemented in 3.2 and earlier.
4135
4136 2004-09-09  Steve Ellcey  <sje@cup.hp.com>
4137
4138         * genrecog.c (compute_predicate_codes): Use op0_codes
4139         instead of codes.
4140
4141 2004-09-09  Ulrich Weigand  <uweigand@de.ibm.com>
4142
4143         * ra-colorize.c (hardregset_to_string): Adapt to HARD_REG_SET
4144         implementation changes.
4145
4146 2004-09-09  Ulrich Weigand  <uweigand@de.ibm.com>
4147
4148         * combine.c (try_combine): When swapping i2 and i3, newi2pat may be
4149         a PARALLEL instead of a SET due to added clobbers.
4150
4151 2004-09-09  Ulrich Weigand  <uweigand@de.ibm.com>
4152
4153         * reload.c (find_reloads_address): Pass correct operand to
4154         maybe_memory_address_p.
4155
4156 2004-09-09  Daniel Berlin  <dberlin@dberlin.org>
4157
4158         * Makefile.in: Remove libbanshee, tree-alias-*.
4159         Remove tree-alias-common.h dependencies.
4160         * common.opt: Remove -ftree-points-to.
4161         * configure.ac: Remove libbanshee.
4162         * flags.h: Remove pta_type, flag_tree_points_to.
4163         * gengtype.c (open_base_files): Remove tree-alias-type.h.
4164         * opts.c (OPT_ftree_points_to): Remove.
4165         * toplev.c: Remove tree-alias-common.h, flag_tree_points_to.
4166         * tree-dfa.c: Remove tree-alias-common.h
4167         * tree-into-ssa.c: Ditto.
4168         * tree-outof-ssa.c: Ditto.
4169         * tree-ssa-copyrename.c: Ditto.
4170         * tree-ssa-live.c: Ditto.
4171         * tree-optimize.c: Ditto.
4172         * tree-ssa.c: Ditto.
4173         Remove pass_build_pta, pass_del_pta.
4174         * tree-pass.h: Ditto.
4175         * tree-ssa-alias.c: Remove tree-alias-common.h.
4176         (struct alias_stats_d): Remove pta_queries, pta_resolved.
4177         (pass_may_alias): Remove PROP_pta requirement.
4178         (may_alias_p): Remove pta_queries, pta_resolved, use of andersens.
4179         (get_tmt_for): Ditto.
4180         (dump_alias_stats): Ditto.
4181         * doc/passes.texi: Remove blurb about points-to analysis.
4182         * fortran/Make-lang.in: Remove tree-alias-*.o.
4183
4184 2004-09-09  Richard Sandiford  <rsandifo@redhat.com>
4185
4186         * genattrtab.c (write_insn_cases): New function, split out from
4187         write_attr_case.  Correctly handle define_peepholes when printing
4188         the instruction name.
4189         (write_attr_case, write_const_num_delay_slots): Use write_insn_cases.
4190
4191 2004-09-09  Hans-Peter Nilsson  <hp@axis.com>
4192
4193         PR target/17377
4194         * config/cris/cris-protos.h (cris_return_address_on_stack): Declare.
4195         * config/cris/cris.c (cris_return_address_on_stack): New function.
4196         * config/cris/cris.md ("return"): For location of return address,
4197         also check cris_return_address_on_stack.
4198
4199 2004-09-09  Diego Novillo  <dnovillo@redhat.com>
4200
4201         * tree-outof-ssa.c (coalesce_abnormal_edges): Fix typo in
4202         calling phi_ssa_name_p.
4203
4204 2004-09-09  Richard Henderson  <rth@redhat.com>
4205
4206         PR c/17322
4207         * c-typeck.c (valid_compound_expr_initializer): Use only
4208         initializer_constant_valid_p, and not TREE_CONSTANT.
4209         (digest_init): Likewise.
4210         (output_init_element): Likewise.
4211
4212 2004-09-09  Giovanni Bajo  <giovannibajo@gcc.gnu.org>
4213
4214         * ra-build.c (copy_insn_p, remember_move, defuse_overlap_p_1,
4215         live_out_1, prune_hardregs_for_mode, init_one_web_common,
4216         reinit_one_web, add_subweb, add_subweb_2, init_web_parts,
4217         record_conflict, compare_and_free_webs, init_webs_defs_uses,
4218         parts_to_webs_1, parts_to_webs, reset_conflicts,
4219         check_conflict_numbers, remember_web_was_spilled, handle_asm_insn,
4220         ra_build_free): Use gcc_assert and gcc_unreachable instead of abort.
4221         * ra-colorize.c (push_list, put_web, reset_lists, put_web_at_end,
4222         put_move, remove_move, combine, select_spill, colorize_one_web,
4223         try_recolor_web, insert_coalesced_conflicts, check_colors,
4224         break_precolored_alias, restore_conflicts_from_coalesce,
4225         sort_and_combine_web_pairs, check_uncoalesced_moves): Likewise.
4226         * ra-rewrite.c (spill_coalescing, slots_overlap_p, emit_loads,
4227         reloads_to_loads, rewrite_program2, emit_colors): Likewise.
4228         * ra.c (first_hard_reg, create_insn_info, find_subweb, init_ra,
4229         check_df): Likewise.
4230         * real.c (do_add, do_multiply, do_divide, do_compare, do_fix_trunc,
4231         real_arithmetic, real_compare, real_exponent, real_ldexp,
4232         real_identical, real_to_integer, real_to_integer2, real_to_decimal,
4233         real_to_hexadecimal, real_from_integer, ten_to_ptwo, ten_to_mptwo,
4234         real_digit, real_nan, real_maxval, round_for_format, real_convert,
4235         real_to_target, real_from_target, real_hash, encode_ieee_single,
4236         encode_ieee_double, encode_ieee_extended, encode_ieee_quad,
4237         encode_vax_f, encode_vax_d, encode_vax_g, encode_i370_single,
4238         encode_i370_double, encode_c4x_single, encode_c4x_extended): Likewise.
4239         * recog.c (validate_change, validate_replace_rtx_1, asm_operand_ok,
4240         extract_insn, peep2_next_insn, peep2_reg_dead_p,
4241         peep2_find_free_register, peephole2_optimize, store_data_bypass_p,
4242         if_test_bypass_p): Likewise.
4243         * reg-stack.c (record_label_references, get_asm_operand_n_inputs,
4244         stack_result, remove_regno_note, get_hard_regnum, emit_pop_insn,
4245         emit_swap_insn, swap_to_top, move_for_stack_reg,
4246         subst_stack_regs_pat, subst_asm_stack_regs, change_stack,
4247         compensate_edge, convert_regs_1): Likewise.
4248         * regclass.c (init_reg_sets, init_reg_sets_1,
4249         memory_move_secondary_cost): Likewise.
4250         * regrename.c (note_sets, clear_dead_regs, scan_rtx_reg, scan_rtx):
4251         Likewise.
4252         * reload.c (push_secondary_reload, find_valid_class, push_reload,
4253         operands_match_p, decompose, immune_p, find_reloads,
4254         find_reloads_toplev, find_reloads_address_1, subst_reloads,
4255         copy_replacements, refers_to_regno_for_reload_p,
4256         reg_overlap_mentioned_for_reload_p): Likewise.
4257         * reload1.c (compute_use_by_pseudos, replace_pseudos_in, reload,
4258         count_pseudo, find_reg, eliminate_regs, eliminate_regs_in_insn,
4259         verify_initial_elim_offsets, finish_spills, clear_reload_reg_in_use,
4260         reload_reg_free_p, reload_reg_reaches_end_p, reloads_conflict,
4261         choose_reload_regs, merge_assigned_reloads, emit_input_reload_insns,
4262         do_output_reload, fixup_abnormal_edges): Likewise.
4263         * reorg.c (stop_search_p, emit_delay_sequence, get_jump_flags,
4264         fill_slots_from_thread, relax_delay_slots): Likewise.
4265         * resource.c (mark_referenced_resources, mark_set_resources):
4266         Likewise.
4267         * rtl.c (copy_rtx, rtx_equal_p): Likewise.
4268         * rtlanal.c (insn_dependent_p, reg_overlap_mentioned_p,
4269         dead_or_set_p, find_reg_fusage, remove_note, replace_rtx,
4270         subreg_lsb_1, subreg_regno_offset, subreg_offset_representable_p,
4271         find_first_parameter_load, can_hoist_insn_p, hoist_update_store,
4272         hoist_insn_after, hoist_insn_to_edge, nonzero_bits1): Likewise.
4273         * rtlhooks.c (gen_lowpart_general): Likewise.
4274         * sbitmap.c (sbitmap_difference): Likewise.
4275         * sched-deps.c (add_dependence, sched_analyze_1, sched_analyze_2,
4276         sched_analyze, add_forward_dependence): Likewise.
4277         * sched-ebb.c (fix_basic_block_boundaries, schedule_ebb): Likewise.
4278         * sched-rgn.c (debug_regions, compute_trg_info, schedule_region,
4279         schedule_insns): Likewise.
4280         * sched-vis.c (print_pattern): Likewise.
4281         * sdbout.c (sdbout_symbol, sdbout_toplevel_data): Likewise.
4282         * simplify-rtx.c (simplify_unary_operation, simplify_binary_operation,
4283         simplify_const_relational_operation, simplify_ternary_operation,
4284         simplify_immed_subreg, simplify_subreg, simplify_gen_subreg):
4285         Likewise.
4286         * sreal.c (copy, sreal_sub, sreal_div): Likewise.
4287         * stmt.c (force_label_rtx, expand_goto, expand_asm_operands,
4288         resolve_operand_name_1, expand_return, expand_decl,
4289         expand_anon_union_decl, emit_case_bit_tests, expand_case): Likewise.
4290         * stor-layout.c (put_pending_size, smallest_mode_for_size,
4291         int_mode_for_mode, layout_decl, finish_builtin_struct, layout_type,
4292         set_sizetype, get_mode_bounds): Likewise.
4293
4294 2004-09-09  Zack Weinberg  <zack@codesourcery.com>
4295
4296         * defaults.h (MULTIPLE_SYMBOL_SPACES): Provide default.
4297         * config/arm/pecoff.h, config/i386/beos-elf.h
4298         * config/i386/cygming.h, config/i386/i386-interix.h:
4299         Define MULTIPLE_SYMBOL_SPACES to 1, not nothing.  Remove
4300         comment cloned from manual.
4301         * doc/tm.texi: Update description of MULTIPLE_SYMBOL_SPACES.
4302
4303 2004-09-09  Frank Ch. Eigler  <fche@redhat.com>
4304
4305         * builtins.c (build_va_arg_indirect_ref): New function.
4306         (std_gimplify_va_arg_expr): Call it instead of mudflap check and
4307         build_fold_indirect_ref.
4308         * config/i386/i386.c (ix86_gimplify_va_arg): Ditto.
4309         * config/ia64/ia64.c (ia64_gimplify_va_arg): Ditto.
4310         * tree.h: Declare new function.
4311
4312 2004-09-09  Nathan Sidwell  <nathan@codesourcery.com>
4313
4314         * cgraphunit.c (cgraph_mark_functions_to_output): Renable node
4315         dumping for development builds.
4316         * emit-rtl.c (verify_rtx_sharing): Give verbose failure for
4317         development builds only.
4318         * genattrtab.c (write_eligible_delay): Fix typo in previous
4319         commit.
4320         * tree.c (iterative_hash_expr): Replace gcc_unreachable with
4321         gcc_assert.
4322
4323 2004-09-09  Nathan Sidwell  <nathan@codesourcery.com>
4324
4325         * gcse.c (INSN_CUID, insert_set_in_table, find_avail_set,
4326         cprop_insn, do_local_cprop, local_cprop_pass, find_bypass_set,
4327         process_insert_insn, insert_insn_end_bb, pre_insert_copy_insn,
4328         hoist_code, extract_mentioned_regs_helper, compute_store_table,
4329         insert_store): Use gcc_assert and gcc_unreachable.
4330         * ggc-common.c (ggc_splay_alloc, ggc_splay_dont_free,
4331         gt_pch_note_object, gt_pch_note_reorder, relocate_ptrs,
4332         ggc_record_overhead): Likewise.
4333         * ggc-page.c (alloc_page, free_page, ggc_set_mark, ggc_marked_p,
4334         init_ggc, ggc_push_context, ggc_recalculate_in_use_p,
4335         ggc_pop_context, clear_marks, validate_free_objects,
4336         ggc_pch_read): Likewise.
4337         * ggc-zone.c (ggc_allocated_p, free_chunk, ggc_set_mark,
4338         ggc_marked_p, ggc_get_size, init_ggc, destroy_ggc_zone,
4339         ggc_push_context, check_cookies, ggc_collect,
4340         ggc_print_statistics): Likewise.
4341         * gimple-low.c (lower_function_body, lower_stmt,
4342         lower_bind_expr): Likewise.
4343         * gimplify.c (gimple_tree_eq, push_gimplify_context,
4344         pop_gimplify_context, gimple_pop_condition, create_tmp_var,
4345         declare_tmp_vars, gimple_add_tmp_var, annotate_all_with_locus,
4346         mostly_copy_tree_r, gimplify_return_expr, gimplify_switch_expr,
4347         gimplify_case_label_expr, gimplify_exit_block_expr,
4348         canonicalize_component_ref, gimplify_compound_lval,
4349         gimplify_self_mod_expr, gimplify_call_expr,
4350         gimplify_init_ctor_eval, gimplify_init_constructor,
4351         gimplify_modify_expr, gimplify_save_expr, gimplify_target_expr,
4352         gimplify_expr, check_pointer_types_r,
4353         force_gimple_operand): Likewise.
4354         * global.c (global_alloc, build_insn_chain): Likewise.
4355         * graph.c (clean_graph_dump_file,
4356         finish_graph_dump_file): Likewise.
4357         gcov-io.c (gcov_open): Use GCOV_CHECK.
4358
4359 2004-09-09  Richard Sandiford  <rsandifo@redhat.com>
4360
4361         * config/frv/frv.c (acc_operand, accg_operand): Use REGNO.
4362
4363 2004-09-09  Jan Hubicka  <jh@suse.cz>
4364
4365         middle-end/17128
4366         * tree-inline.c (expand_call_inline): Make overactive sanity check
4367         happy.
4368
4369 2004-09-09  Jan Hubicka  <jh@suse.cz>
4370
4371         * tree-ssa-loop-ivopts.c (peel_address): Fix abort on
4372         VIEW_CONVERT_EXPR.
4373
4374 2004-09-09  Nathan Sidwell  <nathan@codesourcery.com>
4375
4376         * Makefile.in (gengtype): Use $(BUILD_ERRORS).
4377         (gengtype.o): Depend on errors.h.
4378         * genattrtab.c (strcmp_check): Use gcc_assert and gcc_unreachable.
4379         (attr_rtx_1, attr_printf, attr_copy_rtx, evaluate_eq_attr,
4380         attr_alt_subset_p, attr_alt_subset_of_compl_p,
4381         attr_alt_intersection, attr_alt_union, optimize_attrs, gen_insn,
4382         write_test_expr, write_attr_value, write_eligible_delay,
4383         make_internal_attr, make_numeric_value): Likewise.
4384         * genautomata.c (regexp_name, get_str_vect,
4385         gen_presence_absence_set, automaton_decl_hash,
4386         automaton_decl_eq_p, insn_decl_hash, insn_decl_eq_p, decl_hash,
4387         decl_eq_p, process_regexp, loop_in_regexp, check_loops_in_regexps,
4388         process_regexp_cycles, reserv_sets_cmp, set_unit_reserv,
4389         test_unit_reserv, it_is_empty_reserv_sets,
4390         reserv_sets_are_intersected, reserv_sets_shift, reserv_sets_or,
4391         reserv_sets_and, output_cycle_reservs, get_free_state,
4392         intersected_state_reservs_p, states_union, remove_arc,
4393         copy_insn_regexp, transform_1, transform_2, transform_3,
4394         regexp_transform_func, store_alt_unit_usage,
4395         check_regexp_units_distribution, process_seq_for_forming_states,
4396         process_alts_for_forming_states, make_automaton,
4397         form_arcs_marked_by_insn, create_composed_state,
4398         set_out_arc_insns_equiv_num, partition_equiv_class,
4399         process_insn_equiv_class, set_insn_equiv_classes,
4400         units_to_automata_heuristic_distr, form_regexp,
4401         longest_path_length, output_dfa_max_issue_rate, add_vect,
4402         out_state_arcs_num, add_vect_el, output_trans_table,
4403         output_state_alts_table, output_dead_lock_vect,
4404         output_max_insn_queue_index_def,
4405         output_min_insn_conflict_delay_func,
4406         output_internal_insn_latency_func, output_print_reservation_func,
4407         output_cpu_unit_reservation_p, output_state_arcs,
4408         make_insn_alts_attr, make_internal_dfa_insn_code_attr,
4409         make_default_insn_latency_attr,
4410         form_important_insn_automata_lists): Likewise.
4411         * genemit.c (gen_exp, output_add_clobbers,
4412         output_added_clobbers_hard_reg_p): Likewise.
4413         * genextract.c (print_path, main): Likewise.
4414         * genflags.c (gen_macro): Likewise.
4415         * gengenrtl.c: Include errors.h
4416         (type_from_format, accessor_from_format): Likewise.
4417         * gengtype.c (get_file_basename, output_mangled_typename,
4418         walk_type, write_types_process_field,
4419         write_types_local_process_field): Likewise.
4420         * genmodes.c (complete_mode): Likewise.
4421         * genopinit.c (gen_insn): Likewise.
4422         * genoutput.c (output_insn_data, check_constraint_len,
4423         constraint_len): Likewise.
4424         * genpreds.c (add_mode_tests):Likewise.
4425         * gen-protos.c (add_hash): Likewise.
4426         * genrecog.c (find_operand, find_matching_operand,
4427         validate_pattern, add_to_sequence, maybe_both_true,
4428         nodes_identical_1, merge_trees, write_switch, write_cond,
4429         write_action, is_unconditional, make_insn_sequence,
4430         debug_decision_2): Likewise.
4431         * gensupport.c (is_predicable, collect_insn_data,
4432         alter_predicate_for_insn, maybe_eval_c_test): Likewise.
4433
4434 2004-09-09  Jan Hubicka  <jh@suse.cz>
4435
4436         * basic-block.h (guess_outgoing_edge_probabilities): Declare.
4437         * cfgbuild.c (compute_outgoing_frequencies): When probability is
4438         missing, guess it.
4439         (find_many_sub_basic_blocks): Do update profile only when it is
4440         present.
4441         * predict.c (set_even_probabilities): Break out from ...
4442         (combine_predictions_for_insn): ... here; deal with
4443         !can_predict_insn_p insns.
4444         (combine_predictions_for_bb): Use set_even_probabilities.
4445         (bb_estimate_probability_locally): Break out from ....
4446         (estimate_probability): ... here.
4447         (guess_outgoing_edge_probabilities): New entry point.
4448
4449 2004-09-09  Nathan Sidwell  <nathan@codesourcery.com>
4450
4451         * gcc.c (add_sysrooted_prefix, execute, do_self_spec, do_spec_1,
4452         handle_braces, process_brace_body, main, used_arg,
4453         set_multilib_dir, print_multilib_info): Use fatal, not abort.
4454
4455         * tree-nested.c (create_tmp_var_for): Correct missinverted assert.
4456
4457         * tree-outof-ssa.c (free_temp_expr_table): Add missed assert.
4458         * tree-ssa-ccp.c (set_lattice_value): Correct missapplied de
4459         Morgan's theorem in last checkin.
4460
4461 2004-09-09  Giovanni Bajo  <giovannibajo@gcc.gnu.org>
4462             Nathan Sidwell  <nathan@codesourcery.com>
4463
4464         * targhooks.c (default_unwind_emit, default_scalar_mode_supported_p):
4465         Use gcc_assert, gcc_unreachable & internal_error instead of abort.
4466         * timevar.c (timevar_push, timevar_pop, timevar_start,
4467         timevar_stop): Likewise.
4468         * toplev.c (default_pch_valid_p): Likewise.
4469         * tracer.c (tail_duplicate): Likewise.
4470         * tree-alias-common.c (get_alias_var_decl,
4471         get_values_from_constructor, create_alias_var, delete_alias_vars,
4472         empty_points_to_set, same_points_to_set, ptr_may_alias_var):
4473         Likewise.
4474         * tree.c (tree_size, make_node_stat, copy_node_stat,
4475         build_int_cst_wide, integer_all_onesp, list_length, chainon,
4476         tree_node_structure, type_contains_placeholder_p, substitute_in_expr,
4477         substitute_placeholder_in_expr, tabilize_reference_1, build0_stat,
4478         build1_stat, build2_stat, build3_stat, build4_stat, is_attribute_p,
4479         lookup_attribute, type_hash_canon, host_integerp, iterative_hash_expr,
4480         build_method_type_directly, decl_type_context, get_callee_fndecl,
4481         get_set_constructor_bits, build_vector_type_for_mode, int_cst_value,
4482         tree_fold_gcd): Likewise.
4483         * tree-cfg.c (create_bb, make_ctrl_stmt_edges, make_exit_edges,
4484         make_cond_expr_edges, group_case_labels, tree_merge_blocks,
4485         cleanup_control_expr_graph, find_taken_edge,
4486         find_taken_edge_switch_expr, phi_alternatives_equal,
4487         is_ctrl_altering_stmt, disband_implicit_edges, set_bb_for_stmt,
4488         stmt_for_bsi, tree_find_edge_insert_loc, bsi_insert_on_edge_immediate,
4489         tree_split_edge, tree_verify_flow_info, thread_jumps,
4490         tree_redirect_edge_and_branch, tree_flow_call_edges_add): Likewise.
4491         * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
4492         chrec_fold_multiply_poly_poly): Likewise.
4493         * tree-complex.c (extract_component, expand_complex_division,
4494         expand_complex_comparison, expand_complex_operations_1,
4495         build_replicated_const, expand_vector_operations_1): Likewise.
4496         * tree-data-ref.c (tree_fold_bezout, build_classic_dist_vector,
4497         build_classic_dir_vector): Likewise.
4498         * tree-dfa.c (compute_immediate_uses_for_phi,
4499         compute_immediate_uses_for_stmt, create_var_ann, create_stmt_ann,
4500         create_tree_ann, collect_dfa_stats, get_virtual_var): Likewise.
4501         * tree-dump.c (dequeue_and_dump): Likewise.
4502         * tree-eh.c (record_stmt_eh_region, add_stmt_to_eh_region,
4503         record_in_finally_tree, replace_goto_queue_1,
4504         maybe_record_in_goto_queue, verify_norecord_switch_expr,
4505         do_return_redirection): Likewise.
4506         * tree-if-conv.c (tree_if_convert_stmt, tree_if_convert_cond_expr,
4507         add_to_dst_predicate_list, find_phi_replacement_condition,
4508         replace_phi_with_cond_modify_expr, get_loop_body_in_if_conv_order):
4509         Likewise.
4510         * tree-inline.c (remap_decl, remap_type, remap_decls, copy_body_r,
4511         initialize_inlined_parameters, declare_return_variable,
4512         estimate_num_insns_1, expand_call_inline, expand_calls_inline,
4513         optimize_inline_calls, copy_tree_r): Likewise.
4514         * tree-into-ssa.c (rewrite_initialize_block_local_data, rewrite_stmt,
4515         ssa_rewrite_stmt, rewrite_into_ssa): Likewise.
4516         * tree-iterator.c (alloc_stmt_list, tsi_link_before, tsi_link_after,
4517         tsi_split_statement_list_after, tsi_split_statement_list_before):
4518         Likewise.
4519         * tree-mudflap.c (mf_varname_tree): Likewise.
4520         * tree-nested.c (create_tmp_var_for, lookup_field_for_decl,
4521         lookup_tramp_for_decl, convert_all_function_calls): Likewise.
4522         * tree-optimize.c (tree_rest_of_compilation): Likewise.
4523         * tree-outof-ssa.c (create_temp, eliminate_build, eliminate_phi,
4524         coalesce_abnormal_edges, coalesce_ssa_name, eliminate_virtual_phis,
4525         free_temp_expr_table, add_dependance, finish_expr, rewrite_trees):
4526         Likewise.
4527         * tree-phinodes.c (resize_phi_node, add_phi_arg,
4528         remove_all_phi_nodes_for): Likewise.
4529         * tree-pretty-print.c (op_prio, print_call_name): Likewise.
4530         * tree-profile.c (tree_gen_interval_profiler, tree_gen_pow2_profiler,
4531         tree_gen_one_value_profiler, tree_gen_const_delta_profiler): Likewise.
4532         * tree-sra.c (type_can_instantiate_all_elements, sra_hash_tree,
4533         sra_elt_eq, sra_walk_expr, instantiate_missing_elements,
4534         generate_one_element_ref, generate_element_copy,
4535         generate_element_zero, scalarize_copy, scalarize_init,
4536         scalarize_ldst): Likewise.
4537         * tree-ssa-alias.c (delete_alias_info, group_aliases, may_alias_p,
4538         add_may_alias, add_pointed_to_expr, add_pointed_to_var,
4539         collect_points_to_info_r, get_tmt_for, get_ptr_info): Likewise.
4540         * tree-ssa.c (walk_use_def_chains, check_phi_redundancy): Likewise.
4541         * tree-ssa-ccp.c (dump_lattice_value, get_default_value, get_value,
4542         set_lattice_value, likely_value, ccp_visit_phi_node, visit_assignment,
4543         widen_bitfield, ccp_fold_builtin): Likewise.
4544         * tree-ssa-copy.c (may_propagate_copy, merge_alias_info,
4545         replace_exp_1, propagate_tree_value): Likewise.
4546         * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Likewise.
4547         * tree-ssa-dce.c (set_control_dependence_map_bit,
4548         find_control_dependence, find_pdom, mark_operand_necessary,
4549         mark_stmt_if_obviously_necessary,
4550         mark_control_dependent_edges_necessary, remove_dead_stmt): Likewise.
4551         * tree-ssa-dom.c (dom_opt_initialize_block_local_data,
4552         simplify_switch_and_lookup_avail_expr, cprop_into_successor_phis,
4553         eliminate_redundant_computations, avail_expr_eq): Likewise.
4554         * tree-ssa-dse.c (fix_stmt_v_may_defs): Likewise.
4555         * tree-ssa-loop-ch.c (should_duplicate_loop_header_p,
4556         duplicate_blocks): Likewise.
4557         * tree-ssa-loop-im.c (for_each_index, set_level,
4558         is_call_clobbered_ref): Likewise.
4559         * tree-ssa-loop-ivopts.c (dump_use, divide, stmt_after_ip_normal_pos,
4560         stmt_after_increment, set_iv, contains_abnormal_ssa_name_p,
4561         find_interesting_uses_outer_or_nonlin, add_derived_ivs_candidates,
4562         peel_address, ptr_difference_cost, may_replace_final_value,
4563         determine_use_iv_cost, rewrite_use_nonlinear_expr, rewrite_use_outer,
4564         rewrite_use, rewrite_uses): Likewise.
4565         * tree-ssa-loop-manip.c (rewrite_into_loop_closed_ssa,
4566         check_loop_closed_ssa_use): Likewise.
4567         * tree-ssanames.c (make_ssa_name): Likewise.
4568         * tree-ssa-operands.c (finalize_ssa_defs, finalize_ssa_uses,
4569         finalize_ssa_v_must_defs, finalize_ssa_stmt_operands,
4570         get_stmt_operands, get_expr_operands, get_asm_expr_operands,
4571         get_indirect_ref_operands, add_stmt_operand): Likewise.
4572         * tree-ssa-pre.c (value_exists_in_set_bitmap,
4573         value_remove_from_set_bitmap, bitmap_insert_into_set, insert_into_set,
4574         phi_translate, valid_in_set, compute_antic,
4575         find_or_generate_expression, create_expression_by_pieces, insert_aux,
4576         create_value_expr_from, eliminate): Likewise.
4577         * tree-ssa-propagate.c (cfg_blocks_get): Likewise.
4578         * tree-ssa-threadupdate.c (remove_last_stmt_and_useless_edges):
4579         Likewise.
4580         * tree-tailcall.c (independent_of_stmt_p, adjust_return_value,
4581         eliminate_tail_call): Likewise.
4582         * tree-vectorizer.c (vect_create_index_for_array_ref,
4583         vect_align_data_ref, vect_create_data_ref,
4584         vect_create_destination_var, vect_get_vec_def_for_operand,
4585         vect_finish_stmt_generation, vect_transform_stmt,
4586         vect_transform_loop_bound, vect_transform_loop,
4587         vect_analyze_operations): Likewise.
4588         * tree-vn.c (vn_compute, set_value_handle, get_value_handle):
4589         Likewise.
4590         * tree-flow-inline.h (var_ann, get_var_ann, get_def_from_ptr,
4591         get_use_op_ptr, immediate_use, phi_ssa_name_p, bsi_start,
4592         bsi_after_labels, bsi_last): Likewise.
4593         * tree-ssa-live.c (var_union, change_partition_var,
4594         create_ssa_var_map, calculate_live_on_entry, root_var_init,
4595         type_var_init, add_coalesce, sort_coalesce_list, pop_best_coalesce):
4596         Likewise.
4597         * tree-ssa-live.h (partition_is_global, live_entry_blocks,
4598         tpa_find_tree): Likewise.
4599         (register_ssa_partition_check): Declare.
4600         (register_ssa_partition): use it.
4601         * tree-ssa-live.c: Include errors.h.
4602         (register_ssa_partition_check): New.
4603         * tree-ssa-operands.c: Include errors.h.
4604         * Makefile.in (tree-ssa-operands.o): Depend on errors.h.
4605
4606 2004-09-09  Richard Sandiford  <rsandifo@redhat.com>
4607             Catherine Moore  <clm@redhat.com>
4608
4609         * config/frv/frv-protos.h (FRV_CPU_FR550, FRV_CPU_FR450)
4610         (FRV_CPU_FR405): New processor enums.
4611         (frv_issue_rate, frv_acc_group): Declare.
4612         * config/frv/frv.h (CPP_SPEC, CPP_FRV_SPEC, CPP_FR500_SPEC): Delete.
4613         (CPP_FR400_SPEC, CPP_SIMPLE_SPEC): Delete.
4614         (MASK_DEFAULT_FR550, MASK_DEFAULT_FR450): New macros.
4615         (SUBTARGET_EXTRA_SPECS, EXTRA_SPECS, CPP_CPU_DEFAULT_SPEC): Delete.
4616         (TARGET_CPU_CPP_BUILTINS): Define the macros that were previously
4617         handled by CPP_SPEC.
4618         (MASK_LONG_CALLS, TARGET_LONG_CALLS): New macros.
4619         (MASK_ALIGN_LABELS, TARGET_ALIGN_LABELS): New macros.
4620         (ACC_MASK): New macro.
4621         (TARGET_MEDIA_REV2): Include FRV_CPU_{FR405,FR450,FR550}.
4622         (TARGET_MEDIA_FR450): New macro.
4623         (TARGET_FR500_FR550_BUILTINS, TARGET_FR405_BUILTINS): New macros.
4624         (TARGET_SWITCHES): Add -m{no-,}align-labels and -m{no-,}long-calls.
4625         (LABEL_ALIGN_AFTER_BARRIER): Define.
4626         (ACC_LAST, ACCG_LAST): Add four new accumulator registers.
4627         (IACC_FIRST, IACC_LAST): New pair of SPRs.
4628         (ACCG_FIRST, AP_FIRST, SPR_FIRST, SPR_LAST): Adjust accordingly.
4629         (FIXED_REGISTERS, CALL_USED_REGISTERS, REG_ALLOC_ORDER)
4630         (REGISTER_NAMES): Add entries for new registers.
4631         (REG_CLASS_CONTENTS): Update for new register ranges.
4632         (EXTRA_CONSTRAINT_FOR_S): Redefine in terms of call_operand.
4633         (ISSUE_RATE, CLEAR_VLIW_START, SET_VLIW_START): Delete.
4634         (PACKING_FLAG_USED_P): Delete.
4635         (FRV_BUILTIN_MQLCLRHS, FRV_BUILTIN_MQLMTHS, FRV_BUILTIN_MQSLLHI)
4636         (FRV_BUILTIN_MQSRAHI, FRV_BUILTIN_SMUL, FRV_BUILTIN_UMUL)
4637         (FRV_BUILTIN_PREFETCH0, FRV_BUILTIN_PREFETCH, FRV_BUILTIN_SMASS)
4638         (FRV_BUILTIN_SMSSS, FRV_BUILTIN_SMU, FRV_BUILTIN_SCUTSS)
4639         (FRV_BUILTIN_ADDSS, FRV_BUILTIN_SUBSS, FRV_BUILTIN_SLASS)
4640         (FRV_BUILTIN_IACCread{l,ll}, FRV_BUILTIN_IACCset{ll,l})
4641         (FRV_BUILTIN_SCAN): New members of frv_builtin_enum.
4642         (FRV_BUILTIN_FIRST_NONMEDIA): New macro.
4643         (CPU_UNITS_QUERY): Define to 1.
4644         * config/frv/frv.c: Include gt-frv.h
4645         (NUM_NOP_PATTERNS, NTH_UNIT, UNIT_NUMBER, PACKING_FLAG_P): New macros.
4646         (SET_PACKING_FLAG, CLEAR_PACKING_FLAG, FOR_EACH_REGNO): New macros.
4647         (frv_insn_group): New enumeration.
4648         (frv_unit_names, frv_unit_groups, frv_unit_codes): New variables.
4649         (frv_type_to_unit, frv_nops, frv_num_nops): New variables.
4650         (REGSTATE_DEAD, REGSTATE_LIVE, REGSTATE_UNUSED, REGSTATE_MASK)
4651         (REGSTATE_CONDJUMP): Delete.  Shuffle other numbers to cover the
4652         gap left by REGSTATE_LIVE.
4653         (regstate_t): New typedef.
4654         (TARGET_MACHINE_DEPENDENT_REORG): Define.
4655         (frv_default_flags_for_cpu): Handle FRV_CPU_{FR550,FR450,FR405}.
4656         (frv_override_options): Check for -mcpu={fr550,fr450,fr405}.
4657         Initialize frv_unit_codes[] and frv_type_to_unit[].
4658         (frv_conditional_register_usage): Remove redundant fixing of
4659         accumulator registers.
4660         (frv_insn_packing_flag): Update specification.
4661         (frv_function_prologue): Don't set frv_insn_packing_flag here.
4662         Zero out frv_nops[].
4663         (frv_expand_epilogue): Remove comments about the no-longer-present
4664         SIBCALL_P argument.
4665         (frv_asm_output_mi_thunk): Check frv_issue_rate() rather than
4666         PACKING_FLAG_USED_P() when deciding whether to pack instructions.
4667         (frv_asm_output_opcode, frv_final_prescan_insn): Simplify in light
4668         of the new meaning of frv_insn_packing_flag.  Emit an mnop.p if
4669         packing is disabled and if INSN can only issue to M1.
4670         (call_operand): Check TARGET_LONG_CALLS.
4671         (acc_operand, even_acc_operand, quad_acc_operand)
4672         (accg_operand): Simplify.  Don't accept pseudo registers.
4673         (output_move_single): Handle SPR<-zero moves.
4674         (frv_issue_rate): Make non-static.  Handle FRV_CPU_{FR550,FR450,FR405}.
4675         (frv_registers_update, frv_registers_used_p): Delete.
4676         (frv_registers_set_p): Delete.
4677         (frv_acc_group_1, frv_acc_group, frv_insn_unit): New functions.
4678         (frv_issues_to_branch_unit_p): New function.
4679         (frv_packet): New structure.
4680         (frv_cond_flags, frv_regstate_conflict_p): New functions.
4681         (frv_registers_conflict_p_1, frv_registers_conflict_p): New functions.
4682         (frv_registers_update_1, frv_registers_update): New functions.
4683         (frv_start_packet, frv_start_packet_block, frv_finish_packet)
4684         (frv_pack_insn_p, frv_add_insn_to_packet, frv_insert_nop_in_packet)
4685         (frv_for_each_packet, frv_sort_insn_group_1, frv_compare_insns)
4686         (frv_sort_insn_group, frv_reorder_packet): New functions.
4687         (frv_pack_insns): Use frv_reorder_packet.
4688         (frv_packet_address): New variable.
4689         (frv_fill_unused_units, frv_align_label, frv_reorg_packet)
4690         (frv_register_nop, frv_reorg): New functions.
4691         (bdesc_1arg): Add __SCUTSS.
4692         (bdesc_2arg): Add __MQLCLRHS, __MQLMTHS, __SMUL, __UMUL, __ADDSS,
4693         __SUBSS, __SLASS and __SCAN.
4694         (bdesc_2argimm): Add __MQSLLHI and __MQSRAHI.
4695         (bdesc_int_void2arg, bdesc_prefetches): New arrays.
4696         (frv_init_builtins): Register the above builtins.
4697         (frv_int_to_acc): Use ACC_MASK to check for valid accumulator
4698         registers.  Turn the referenced accumulators into global registers.
4699         (frv_read_iacc_argument): New function.
4700         (frv_expand_int_void2arg, frv_expand_prefetches): New functions.
4701         (frv_split_iacc_move): New function.
4702         (frv_expand_builtin): Handle the new builtins.
4703         * config/frv/frv.md: Replace old schedulers with new order-independent
4704         ones.  Add schedulers for the FR405, FR450 and FR550.  Describe new
4705         packing algorithm.
4706         (cpu): Add fr550, fr450 and fr405.
4707         (type): Add macc, scan, cut, fnop, fscmp, fdcmp, mnop, mqlimh and
4708         mqshift.  Replace fmas with fsmadd and fmad with fdmadd.  Delete m7.
4709         (*muladd[sd]f4, *mulsub[sd]f4): Fix types.
4710         (*cmp[sd]f_cc_fp): Use new f[sd]cmp types.
4711         (fnop, mnop): New patterns.
4712         (UNSPEC_MQLCLRHS, UNSPEC_MQLMTHS, UNSPEC_MQSLLHI, UNSPEC_MQSRAHI):
4713         New constants.
4714         (mexpdhw, *cond_exec_mexpdhw): Fix destination operands.
4715         (mclracca8): Use ACC_MASK to determine the upper set of accumulator
4716         registers.
4717         (mqlclrhs, mqlmths, mqsllhi, mqsrahi): New patterns.
4718         (UNSPEC_SMUL, UNSPEC_UMUL, UNSPEC_SMU, UNSPEC_ADDSS, UNSPEC_SUBSS)
4719         (UNSPEC_SLASS, UNSPEC_SCAN, UNSPEC_INTSS, UNSPEC_SCUTSS)
4720         (UNSPEC_PREFETCH0, UNSPEC_PREFETCH, UNSPEC_IACCreadll)
4721         (UNSPEC_IACCreadl, UNSPEC_IACCsetll, UNSPEC_IACCsetl, UNSPEC_SMASS)
4722         (UNSPEC_SMSSS, UNSPEC_IMUL, IACC0_REG): New constants.
4723         (smul, umul, smass, smsss, smu, addss, subss, slass, scan, scutss)
4724         (frv_prefetch0, frv_prefetch): New patterns.
4725         * config/frv/t-frv (MULTILIB_OPTIONS): Remove -mcpu=frv and
4726         -mcpu=simple.  Add -mcpu=fr550.
4727         (MULTILIB_DIRNAMES): Update accordingly.
4728         (MULTILIB_MATCHES): Use the fr400 multilibs for -mcpu=fr405 and
4729         -mcpu=fr450.
4730         * doc/invoke.texi: Document the new -mcpu={fr550,fr450,fr405},
4731         -mlong-calls and -malign-labels options for FR-V.
4732
4733 2004-09-09  Joseph S. Myers  <jsm@polyomino.org.uk>
4734
4735         PR c/8420
4736         * c-tree.h (struct c_declspecs): New.
4737         (struct c_declarator, struct c_type_name, struct c_parm): Update
4738         element types.
4739         (build_array_declarator, grokfield, shadow_tag, shadow_tag_warned,
4740         start_function, start_decl, build_c_parm,
4741         make_pointer_declarator): Update prototypes.
4742         (build_null_declspecs, declspecs_add_qual, declspecs_add_type,
4743         declspecs_add_scspec, declspecs_add_attrs): New.
4744         (split_specs_attrs): Remove.
4745         * c-parse.in (%union): Add dsptype.
4746         (declspecs_nosc_nots_nosa_noea, declspecs_nosc_nots_nosa_ea,
4747         declspecs_nosc_nots_sa_noea, declspecs_nosc_nots_sa_ea,
4748         declspecs_nosc_ts_nosa_noea, declspecs_nosc_ts_nosa_ea,
4749         declspecs_nosc_ts_sa_noea, declspecs_nosc_ts_sa_ea,
4750         declspecs_sc_nots_nosa_noea, declspecs_sc_nots_nosa_ea,
4751         declspecs_sc_nots_sa_noea, declspecs_sc_nots_sa_ea,
4752         declspecs_sc_ts_nosa_noea, declspecs_sc_ts_nosa_ea,
4753         declspecs_sc_ts_sa_noea, declspecs_sc_ts_sa_ea, declspecs_ts,
4754         declspecs_nots, declspecs_ts_nosa, declspecs_nots_nosa,
4755         declspecs_nosc_ts, declspecs_nosc_nots, declspecs_nosc, declspecs,
4756         maybe_type_quals_attrs): Change to dsptype.
4757         (struct c_declspec_stack): New.
4758         (current_declspecs, declspec_stack): Change type.
4759         (PUSH_DECLSPEC_STACK, POP_DECLSPEC_STACK): Update to new
4760         structures.
4761         (extdefs): Likewise.
4762         (setspecs): Likewise.
4763         (fndef): Use current_declspecs for empty declspecs list.
4764         (declspecs_nosc_nots_nosa_noea, declspecs_nosc_nots_nosa_ea,
4765         declspecs_nosc_nots_sa_noea, declspecs_nosc_nots_sa_ea,
4766         declspecs_nosc_ts_nosa_noea, declspecs_nosc_ts_nosa_ea,
4767         declspecs_nosc_ts_sa_noea, declspecs_nosc_ts_sa_ea,
4768         declspecs_sc_nots_nosa_noea, declspecs_sc_nots_nosa_ea,
4769         declspecs_sc_nots_sa_noea, declspecs_sc_nots_sa_ea,
4770         declspecs_sc_ts_nosa_noea, declspecs_sc_ts_nosa_ea,
4771         declspecs_sc_ts_sa_noea, declspecs_sc_ts_sa_ea): Update to new
4772         structures and helper functions.  Update comments.
4773         (typespec_nonattr): Correct comment.
4774         (maybe_type_quals_attrs, typename): Update to new structures.
4775         * c-decl.c (grokdeclarator, build_array_declarator, grokfield,
4776         shadow_tag, shadow_tag_warned, start_function, start_decl,
4777         build_c_parm, make_pointer_declarator,
4778         set_array_declarator_inner, groktypename): Update to new
4779         structures.
4780         (build_null_declspecs, declspecs_add_qual, declspecs_add_type,
4781         declspecs_add_scspec, declspecs_add_attrs): New.
4782         (split_specs_attrs): Remove.
4783         (shadow_tag_warned): Make warning for useless type names a
4784         pedwarn.  Give hard error for long, short, signed, unsigned or
4785         _Complex used with struct, union or enum in empty declaration.
4786         Make found_tag a bool.
4787         (grokdeclarator): Remove checks now done at parse time.
4788
4789 2004-09-09  Joseph S. Myers  <jsm@polyomino.org.uk>
4790
4791         * c-tree.h (enum c_declarator_kind, struct c_arg_info, struct
4792         c_declarator, struct c_type_name, struct c_parm): New.
4793         (build_array_declarator, set_array_declarator_inner,
4794         get_parm_info, grokfield, groktypename, grokparm, push_parm_decl,
4795         start_function, start_decl, build_c_parm, build_attrs_declarator,
4796         build_function_declarator, make_pointer_declarator, c_cast_expr,
4797         store_parm_decls_newstyle, c_expr_sizeof_type): Update prototypes.
4798         (build_id_declarator): New.
4799         * c-typeck.c (c_cast_expr, c_expr_sizeof_type): Update to new
4800         structures.
4801         * c-decl.c (ARG_INFO_PARMS, ARG_INFO_TAGS, ARG_INFO_TYPES,
4802         ARG_INFO_OTHERS): Remove.
4803         (build_id_declarator): New.
4804         (build_array_declarator, set_array_declarator_inner, groktypename,
4805         start_decl, grokparm, push_parm_decl, grokparms, get_parm_info,
4806         grokfield, start_function, store_parm_decls_newstyle,
4807         store_parm_decls_oldstyle, store_parm_decls,
4808         build_c_parm, build_attrs_declarator, build_function_declarator,
4809         make_pointer_declarator, grokdeclarator): Update to new
4810         structures.
4811         * c-parse.in (%union): Add arginfotype, dtrtype, typenametype and
4812         parmtype.
4813         (declarator, notype_declarator, after_type_declarator,
4814         parm_declarator, parm_declarator_starttypename,
4815         parm_declarator_nostarttypename, array_declarator, typename,
4816         absdcl, absdcl1, absdcl1_ea, absdcl1_noea, direct_absdcl1,
4817         absdcl_maybe_attribute, parm, firstparm, parms, parmlist,
4818         parmlist_1, parmlist_2, parmlist_or_identifiers,
4819         parmlist_or_identifiers_1): Use these types.
4820         (primary, after_type_declarator, parm_declarator_starttypename,
4821         notype_declarator, component_decl, component_declarator,
4822         component_notype_declarator, typename, absdcl,
4823         absdcl_maybe_attribute, absdcl1_ea, direct_absdcl1, parmlist_1,
4824         parmlist_2, parmlist_or_identifiers_1): Update to new structures.
4825
4826 2004-09-09  Joseph S. Myers  <jsm@polyomino.org.uk>
4827
4828         * c-tree.h (C_DECL_USED, parser_obstack, in_alignof, in_sizeof,
4829         in_typeof, record_maybe_used_decl, pop_maybe_used,
4830         c_expr_sizeof_expr, c_expr_sizeof_type): New.
4831         * c-decl.c (parser_obstack): New.
4832         (c_init_decl_processing): Initialize parser_obstack.
4833         (c_write_global_declarations_1): Check for used but undefined
4834         static functions.
4835         * c-parse.in (%union): Add otype.
4836         (save_obstack_position): New.
4837         (extdefs): Use it.
4838         (unary_expr): Update in_sizeof and in_alignof.  Use
4839         c_expr_sizeof_expr and c_expr_sizeof_type.
4840         (sizeof): Update in_sizeof.
4841         (alignof): Update in_alignof.
4842         (typeof): Update in_typeof.
4843         (typespec_nonreserved_nonattr): Call pop_maybe_used.
4844         * c-typeck.c (in_alignof, in_sizeof, in_typeof, struct
4845         maybe_used_decl, maybe_used_decls, record_maybe_used_decl,
4846         pop_maybe_used, c_expr_sizeof_expr, c_expr_sizeof_type): New.
4847         (build_external_ref): Set C_DECL_USED or call
4848         record_maybe_used_decl if appropriate.
4849         * toplev.c (check_global_declarations): Check TREE_NO_WARNING.
4850
4851 2004-09-08  Eric Christopher  <echristo@redhat.com>
4852
4853         * builtins.c: Fix prototype for fold_builtin_atan.
4854
4855 2004-09-08  Eric Christopher  <echristo@redhat.com>
4856
4857         * builtins.c (fold_builtin_strlen, fold_builtin_sqrt, fold_builtin_cbrt,
4858         fold_builtin_pow, fold_builtin_sin, fold_builtin_cos, fold_builtin_tan,
4859         fold_builtin_atan): New functions. Migrate function bodies...
4860         (fold_builtin_1): ... from here.
4861
4862 2004-09-09  Alan Modra  <amodra@bigpond.net.au>
4863
4864         * config/rs6000/rs6000.c (rs6000_stack_info): Correct alignment of
4865         save_size.
4866
4867 2004-09-08  David Edelsohn  <edelsohn@gnu.org>
4868
4869         * config/rs6000/power4.md (power4-lmul): du4 feeds iu1.
4870         * config/rs6000/power5.md (power5-lmul): Same.
4871
4872 2004-09-08  Richard Henderson  <rth@redhat.com>
4873
4874         PR rtl-opt/17186
4875         * function.c (expand_function_end): Have fall-off-the-end
4876         return path jump around return register setup.
4877
4878 2004-09-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
4879
4880         * config/sparc/sparc.c (sparc_indent_opcode): New variable.
4881         (output_return): Do not test for the presence of the 'unimp' insn.
4882         Use 'current_function_uses_only_leaf_regs' and 'final_sequence'
4883         as predicates instead of custom ones.  Return raw strings when
4884         possible.
4885         (output_sibcall): Likewise.  Concatenate strings.
4886         (output_ubranch): Remove kludge for TurboSPARC.
4887         (output_cbranch): Remove 'noop' parameter.  Do not output 'nop'.
4888         (output_v9branch): Likewise.
4889         (print_operand): Use 'final_sequence' instead of 'dbr_sequence_length'.
4890         <#>: Set sparc_indent_opcode if the delay slot is filled.
4891         <(>: Likewise.
4892         <)>: New operand to emit the displacement from the saved PC on return.
4893         <@>: Remove.
4894         * config/sparc/sparc.h (sparc_indent_opcode): Declare it.
4895         (ASM_OUTPUT_OPCODE): New macro.
4896         (PRINT_OPERAND_PUNCT_VALID_P): Remove '^' and add ')'.
4897         * config/sparc/sparc.md (normal_branch, inverted_branch,
4898         normal_fp_branch, inverted_fp_branch, normal_fpe_branch,
4899         inverted_fpe_branch): Adjust call to output_cbranch.
4900         (normal_int_branch_sp64, inverted_int_branch_sp64): Adjust
4901         call to output_v9branch.
4902         * config/sparc/sparc-protos.h (output_cbranch): Adjust.
4903         (output_v9branch): Likewise.
4904
4905 2004-09-08  Devang Patel  <dpatel@apple.com>
4906
4907         * config/darwin.h  (TARGET_OPTION_TRANSLATE_TABLE): Add -segaddr,
4908         -segs_read_only_addr and -segs_read_write_addr.
4909         (WORD_SWITCH_TAKES_ARG): Same.
4910         (LINK_SPEC): Same.
4911         * doc/invoke.texi: Document -segaddr, -segs_read_only_addr and
4912         -segs_read_write_addr.
4913
4914 2004-09-08  Richard Henderson  <rth@redhat.com>
4915
4916         * function.c (reference_callee_copied): New.
4917         (assign_parm_setup_reg): Use it.
4918         * calls.c (initialize_argument_information): Likewise.
4919         (emit_library_call_value_1): Likewise.
4920         * function.h (reference_callee_copied): Declare.
4921
4922         * target.h (struct gcc_target): Add callee_copies.
4923         * target-def.h (TARGET_CALLEE_COPIES): New.
4924         (TARGET_PASS_BY_REFERENCE): Update default.
4925         * expr.h (FUNCTION_ARG_CALLEE_COPIES): Remove.
4926         * targhooks.c (hook_callee_copies_named): New.
4927         (hook_bool_CUMULATIVE_ARGS_mode_tree_bool_false): Rename from
4928         hook_pass_by_reference_false.
4929         (hook_bool_CUMULATIVE_ARGS_mode_tree_bool_true): New.
4930         * targhooks.h: Update decls.
4931         * config/arc/arc.c (TARGET_CALLEE_COPIES): New.
4932         * config/arc/arc.h (FUNCTION_ARG_CALLEE_COPIES): Remove.
4933         * config/frv/frv-protos.h (frv_function_arg_callee_copies): Remove.
4934         * config/frv/frv.c (frv_function_arg_callee_copies): Remove.
4935         * config/frv/frv.h (FUNCTION_ARG_CALLEE_COPIES): Remove.
4936         * config/iq2000/iq2000.c (TARGET_CALLEE_COPIES): New.
4937         * config/iq2000/iq2000.h (FUNCTION_ARG_CALLEE_COPIES): Remove.
4938         * config/m68hc11/m68hc11.c (TARGET_CALLEE_COPIES): New.
4939         * config/m68hc11/m68hc11.h (FUNCTION_ARG_CALLEE_COPIES): Remove.
4940         * config/mips/mips.c (TARGET_CALLEE_COPIES): New.
4941         (mips_callee_copies): New.
4942         * config/mips/mips.h (FUNCTION_ARG_CALLEE_COPIES): Remove.
4943         * config/mmix/mmix.c (TARGET_CALLEE_COPIES): New.
4944         * config/mmix/mmix.h (FUNCTION_ARG_CALLEE_COPIES): Remove.
4945         * config/mn10300/mn10300.c (TARGET_CALLEE_COPIES): New.
4946         * config/mn10300/mn10300.h (FUNCTION_ARG_CALLEE_COPIES): Remove.
4947         * config/pa/pa.c (TARGET_CALLEE_COPIES): New.
4948         * config/pa/pa.h (FUNCTION_ARG_CALLEE_COPIES): Remove.
4949         * config/sh/sh.c (sh_callee_copies): New.
4950         (TARGET_CALLEE_COPIES): New.
4951         * config/sh/sh.h (FUNCTION_ARG_CALLEE_COPIES): Remove.
4952         * config/v850/v850.c (TARGET_CALLEE_COPIES): New.
4953         * config/v850/v850.h (FUNCTION_ARG_CALLEE_COPIES): Remove.
4954         * doc/tm.texi (TARGET_CALLEE_COPIES): Replace documentation
4955         for FUNCTION_ARG_CALLEE_COPIES.
4956         * doc/rtl.texi (CALL_INSN_FUNCTION_USAGE): Update.
4957
4958 2004-09-08  Devang Patel  <dpatel@apple.com>
4959
4960         * tree-if-conv.c (find_phi_replacement_condition): Return true
4961         edge block.
4962         (replace_phi_with_cond_modify_expr): Select conditional expr args
4963         based on true edge basic block.
4964
4965 2004-09-08  Jan Hubicka  <jh@suse.cz>
4966
4967         * tree-ssa-operands.c (add_stmt_operand): Use V_MUST_DEF even for
4968         variables being alias set.
4969
4970 2004-09-08  Nathan Sidwell  <nathan@codesourcery.com>
4971
4972         * final.c (shorten_branches, final, get_insn_template,
4973         output_alternate_entry_point, final_scan_insn, alter_subreg,
4974         alter_cond, output_operand, asm_fprintf, final_forward_branch_p,
4975         leaf_renumber_regs_insn): Use gcc_assert and gcc_unreachable.
4976         * fix-header.c (lookup_std_proto): Likewise.
4977         * flow.c (first_insn_after_basic_block_note, verify_wide_reg,
4978         verify_local_live_at_start, update_life_info, mark_reg,
4979         calculate_global_regs_live, allocate_reg_life_data,
4980         init_propagate_block_info, mark_set_regs, flush_reg_cond_reg_1,
4981         ior_reg_cond, not_reg_cond, and_reg_cond, elim_reg_cond,
4982         attempt_auto_inc, mark_used_reg, mark_used_regs): Likewise.
4983         * fold-const.c (force_fit_type, div_and_round_double,
4984         may_negate_without_overflow_p, int_const_binop, const_binop,
4985         size_binop, size_diffop, fold_convert_const, fold_convert,
4986         invert_tree_comparison, swap_tree_comparison,
4987         comparison_to_compcode, compcode_to_comparison, invert_truthvalue,
4988         range_binop, make_range, fold_cond_expr_with_comparison,
4989         fold_div_compare, fold, fold_checksum_tree, fold_negate_const,
4990         fold_abs_const, fold_not_const, fold_relational_const, round_up,
4991         round_down): Likewise.
4992         * function.c (find_function_data, assign_stack_temp_for_type,
4993         instantiate_virtual_regs_lossage, aggregate_value_p,
4994         assign_parm_find_entry_rtl, assign_parm_setup_block,
4995         expand_function_start, expand_function_end, keep_stack_depressed,
4996         handle_epilogue_set, thread_prologue_and_epilogue_insns): Likewise.
4997
4998 2004-09-08  Daniel Berlin  <dberlin@dberlin.org>
4999
5000         * Makefile.in (tree-loop-linear.o): Added.
5001         (OBJS-common): Add tree-loop-linear.o
5002         * common.opt: New flag, ftree-loop-linear.
5003         * timevar.def: New timevar, TV_TREE_LOOP_LINEAR.
5004         * tree-flow.h: Add prototype for linear_transform_loops.
5005         * tree-optimize.c: Add linear transform after vectorization.
5006         * tree-pass.h: Add struct pass_linear_transform.
5007         * tree-ssa-loop.c: Add pass_linear_transform.
5008         * tree-loop-linear.c: New file.
5009         * lambda-code.c: gcc_assertify.
5010         (gcc_loop_to_lambda_loop): Handle all exit tests.
5011         Handle case where we have (invariant >= induction var).
5012         (find_induction_var_from_exit_cond): Ditto.
5013
5014 2004-09-08  Jie Zhang  <zhangjie@magima.com.cn>
5015
5016         * tree-ssa-alias.c (compute_flow_insensitive_aliasing): If type
5017         memory tag is call clobbered, so are its aliases.
5018         (group_aliases): When two memory tags being grouped, if one is
5019         call clobbered, so are the other and its aliases.
5020         (add_may_alias): Remove call-clobbering stuff.
5021         (replace_may_alias): Likewise.
5022         (merge_pointed_to_info): Merge pt_global_mem
5023
5024 2004-09-08  Jan Hubicka  <jh@suse.cz>
5025
5026         * cgraph.c (cgraph_remove_node): Free DECL_INITIAL field of node.
5027         * cgraphunit.c (verify_cgraph): Don't verify on syntax errors.
5028         (cgraph_expand_function): Remove stale cgraph edges of currently
5029         compiled function; fix non-unit-at-a-time code copying function
5030         node for later reuse.
5031
5032 2004-09-08  Nathan Sidwell  <nathan@codesourcery.com>
5033
5034         * vec.c (vec_p_reserve, vec_o_reserve): Rename to ...
5035         (vec_gc_p_reserve, vec_gc_o_reserve): ... here. Clone to
5036         (vec_heap_p_reserve, vec_heap_o_reserve): ... here, adjust.
5037         (vec_gc_free, vec_heap_free): New.
5038         * vec.h (DEF_VEC_GC_P, DEF_VEC_MALLOC_P): New.
5039         (DEF_VEC_P): Add allocator argument. Adjust.
5040         (DEF_VEC_GC_O, DEF_VEC_MALLOC_O): New.
5041         (DEF_VEC_O): Add allocator argument. Adjust.
5042         (VEC(free)): New.
5043
5044         * tree.h (tree): Define a GC'd vector.
5045         * lamba-code.c (lambda_loop): Likewise.
5046         * value-prof.h (histogram_value): Likewise.
5047
5048 2004-09-08  Nathan Sidwell  <nathan@codesourcery.com>
5049
5050         * emit-rtl.c (immed_double_const): Use gcc_assert and gcc_unreachable.
5051         (gen_rtx_SUBREG, gen_reg_rtx, mark_user_reg, subreg_hard_regno,
5052         gen_lowpart_common, gen_highpart, gen_highpart_mode,
5053         subreg_highpart_offset, operand_subword, operand_subword_force,
5054         mem_expr_equal_p, set_mem_attributes_minus_bitpos,
5055         set_mem_alias_set, change_address_1, verify_rtx_sharing,
5056         copy_most_rtx, set_first_insn, set_last_insn, prev_cc0_setter,
5057         try_split, add_insn_after, add_insn_before, remove_insn,
5058         remove_unnecessary_notes, emit_insn_before, emit_jump_insn_before,
5059         emit_call_insn_before, emit_insn_after, emit_jump_insn_after,
5060         emit_call_insn_after, emit_insn, emit_jump_insn, emit_call_insn,
5061         set_unique_reg_note, emit, push_to_full_sequence, copy_insn_1,
5062         gen_const_vector_0, emit_copy_of_insn_after): Likewise.
5063         * et-forest.c (set_prev, set_next, et_check_occ_sanity,
5064         record_path_before_1, check_path_after_1, check_path_after): Likewise.
5065         * except.c (gen_eh_region, resolve_one_fixup_region,
5066         remove_unreachable_regions, convert_from_eh_region_ranges_1,
5067         add_ehl_entry, duplicate_eh_region_1, build_post_landing_pads,
5068         connect_post_landing_pads, sjlj_emit_function_exit,
5069         remove_exception_handler_label, remove_eh_handler,
5070         reachable_next_level, collect_one_action_chain,
5071         output_function_exception_table): Likewise.
5072         * explow.c (trunc_int_for_mode, copy_to_mode_reg,
5073         optimize_save_area_alloca, allocate_dynamic_stack_space,
5074         probe_stack_range, hard_function_value): Likewise.
5075         * expmed.c (mode_for_extraction, store_bit_field,
5076         store_fixed_bit_field, extract_bit_field, expand_shift,
5077         expand_mult_const, expand_mult, choose_multiplier,
5078         expand_mult_highpart, expand_divmod, emit_store_flag,
5079         do_cmp_and_jump): Likewise.
5080         * expr.c (convert_move, convert_modes, move_by_pieces,
5081         move_by_pieces_ninsns, move_by_pieces_1, emit_block_move,
5082         move_block_from_reg, gen_group_rtx, emit_group_load,
5083         emit_group_move, emit_group_store, use_reg, use_regs,
5084         can_store_by_pieces, store_by_pieces, store_by_pieces_1,
5085         emit_move_insn, emit_move_insn_1, emit_push_insn,
5086         expand_assignment, store_expr, count_type_elements,
5087         store_constructor, store_field, safe_from_p, expand_var,
5088         expand_expr_addr_expr, expand_expr_real_1, do_store_flag): Likewise.
5089
5090 2004-09-08  Nathan Sidwell  <nathan@codesourcery.com>
5091
5092         * dbxout.c (dbxout_type, dbxout_type_name, dbxout_symbol): Use
5093         gcc_assert and gcc_unreachable.
5094         * ddg.c (create_ddg_dependence, add_deps_for_def,
5095         add_deps_for_use, create_ddg, add_edge_to_ddg): Likewise.
5096         * df.c (df_ref_unlink, df_ref_record, df_uses_record,
5097         df_reg_def_chain_create, df_reg_use_chain_create, df_analyze,
5098         df_insn_delete, df_refs_reg_replace, df_ref_reg_replace,
5099         df_insns_modify, df_pattern_emit_before, df_bb_reg_live_start_p,
5100         df_bb_reg_live_end_p, df_bb_regs_lives_compare,
5101         df_bb_single_def_use_insn_find, dataflow_set_a_op_b,
5102         dataflow_set_copy, hybrid_search, diagnostic.c,
5103         diagnostic_build_prefix, diagnostic_count_diagnostic): Likewise.
5104         * dojump.c (do_jump): Likewise.
5105         * dominance.c (calc_dfs_tree_nonrec, calc_dfs_tree,
5106         compute_dom_fast_query, calculate_dominance_info,
5107         free_dominance_info, get_immediate_dominator,
5108         set_immediate_dominator, get_dominated_by,
5109         redirect_immediate_dominators, nearest_common_dominator,
5110         dominated_by_p, verify_dominators, recount_dominator,
5111         iterate_fix_dominators, add_to_dominance_info,
5112         delete_from_dominance_info): Likewise.
5113         * dwarf2asm.c (size_of_encoded_value, eh_data_format_name,
5114         dw2_asm_output_delta_uleb128, dw2_asm_output_delta_sleb128,
5115         dw2_force_const_mem, dw2_asm_output_encoded_addr_rtx): Likewise.
5116         * dwarf2out.c (expand_builtin_init_dwarf_reg_sizes, reg_save,
5117         initial_return_save, stack_adjust_offset, dwarf2out_stack_adjust,
5118         flush_queued_reg_saves, dwarf2out_frame_debug_expr,
5119         dwarf2out_frame_debug, dw_cfi_oprnd1_desc, output_cfi,
5120         output_call_frame_info, output_loc_operands, build_cfa_loc,
5121         decl_ultimate_origin, AT_flag, AT_int, AT_unsigned, AT_string,
5122         AT_string_form, add_AT_specification, AT_ref, set_AT_ref_external,
5123         AT_loc, AT_loc_list, AT_addr, AT_lbl, add_child_die,
5124         splice_child_die, attr_checksum, same_dw_val_p,
5125         break_out_includes, build_abbrev_table, size_of_die, mark_dies,
5126         unmark_dies, value_format, output_loc_list, output_die,
5127         output_pubnames, output_aranges, base_type_die, is_base_type,
5128         modified_type_die, dbx_reg_number, multiple_reg_loc_descriptor,
5129         mem_loc_descriptor, loc_descriptor, loc_descriptor_from_tree_1,
5130         field_byte_offset, add_data_member_location_attribute,
5131         add_const_value_attribute, rtl_for_decl_location,
5132         add_location_or_const_value_attribute, add_byte_size_attribute,
5133         add_bit_offset_attribute, add_bit_size_attribute,
5134         add_abstract_origin_attribute, pop_decl_scope, scope_die_for,
5135         decl_start_label, gen_formal_parameter_die,
5136         gen_type_die_for_member, gen_subprogram_die, gen_label_die,
5137         gen_typedef_die, gen_type_die, gen_tagged_type_instantiation_die,
5138         force_decl_die, force_type_die, gen_decl_die,
5139         dwarf2out_imported_module_or_decl, prune_unused_types_prune,
5140         dwarf2out_finish): Likewise.
5141
5142 2004-09-08  Andreas Tobler  <toa@pop.agri.ch>
5143
5144         * Makefile.in (builtins.o): Depend on tree-mudflap.h.
5145         * builtins.c: Include tree-mudflap.h.
5146
5147 2004-09-08  Uros Bizjak  <uros@kss-loka.si>
5148
5149         * config/i386/i386.c (ix86_prepare_fp_compare_args): Do not
5150         force operand 0.0 into register in XFmode. Also do not force
5151         operand 0.0 into register if !TARGET_CMOVE.
5152         * config/i386/i386.md (*cmpfp_0): Delete. Remove comment.
5153         (*cmpfp_0_sf, cmpfp_0_df, cmpfp_0_xf): New patterns to
5154         implement ftst x87 instruction.
5155         (*fp_jcc_7): New insn pattern. Change corresponding split
5156         pattern to handle "general_operand" instead of
5157         "nonimmediate_operand".
5158
5159 2004-09-08  Ben Elliston  <bje@au.ibm.com>
5160
5161         * doc/rtl.texi (Insns): Document NOTE_INSN_FUNCTION_BEG.
5162
5163 2004-09-07  Frank Ch. Eigler  <fche@redhat.com>
5164
5165         * builtins.c (std_gimplify_va_arg_expr): Mark INDIRECT_REF nodes
5166         generated from standard va_arg expansion.
5167         * tree-mudflap.c (mx_xform_derefs_1): Omit instrumentation from
5168         marked nodes.
5169         (mf_varname_tree, mf_file_function_line_tree): Add some support
5170         for column numbers if compiled with USE_MAPPED_LOCATION.
5171
5172 2004-09-07  Ziemowit Laski  <zlaski@apple.com>
5173
5174         * c-decl.c (groktypename_in_parm_context): Remove function.
5175         * c-tree.h (groktypename_in_parm_context): Remove prototype.
5176
5177 2004-09-07  Ziemowit Laski  <zlaski@apple.com>
5178
5179         * Makefile.in (c-parse.o): Depend on $(C_COMMON_H).
5180         * c-parse.in: Include c-common.h instead of objc-act.h.
5181         (ivar_decl_list, ivar_decls, ivar_decl, ivars, ivar_declarator,
5182         myparms, myparm): Remove %type declarations.
5183         (methodtype, optparms, OBJC_TYPE_QUAL, objc_quals, objc_qual,
5184         objc_typename, objc_try_catch_stmt, optellipsis): Add %type
5185         declarations.
5186         (objc_inherit_code, objc_public_flag): Remove.
5187         (typespec_nonreserved_nonattr): Call
5188         objc_get_protocol_qualified_type() instead of get_static_reference()
5189         and get_protocol_reference().
5190         (stmt_nocomp): Call grokparm() on @catch parameter.
5191         (objcdef): Move semantic action to objc_finish_implementation().
5192         (classdef): Move semantic action to objc_start_class_interface(),
5193         objc_continue_interface(), objc_finish_interface(),
5194         objc_start_class_implementation(), objc_continue_implementation(),
5195         objc_start_category_interface() and
5196         objc_start_category_implementation().
5197         (protocoldef): Move semantic actions to objc_start_protocol() and
5198         objc_finish_interface().
5199         (ivar_decl_list): Remove nonterminal.
5200         (visibility_spec): Move semantic actions to objc_set_visibility().
5201         (ivar_decls): Remove assignment to $$.
5202         (ivar_decl): Rephrase in terms of component_decl; call
5203         objc_add_instance_variable().
5204         (ivars, ivar_declarator): Remove nonterminals.
5205         (opt_semi): New nonterminal.
5206         (methodtype): Remove semantic actions.
5207         (methoddef): Move semantic actions to objc_set_method_type(),
5208         objc_start_method_definition() and objc_finish_method_definition().
5209         (methodproto): Move semantic actions to objc_set_method_type() and
5210         objc_add_method_declaration().
5211         (methoddecl): Use objc_typename instead of typename; move semantic
5212         actions to objc_build_method_signature().
5213         (optarglist, myxdecls, mydecl, myparms, myparm): Remove nonterminals.
5214         (optparmlist): Express in terms of optparms and optellipsis.
5215         (optparms, optellipsis, objc_qual, objc_quals, objc_typename): New
5216         nonterminals.
5217         (keyworddecl): Use objc_typename instead of typename.
5218         (rid_to_yy): Mark RID_IN, RID_OUT, RID_INOUT, RID_BYCOPY, RID_BYREF
5219         and RID_ONEWAY as returning OBJC_TYPE_QUAL to yyparse().
5220
5221 2004-09-08  Alan Modra  <amodra@bigpond.net.au>
5222
5223         * doc/tm.texi (MD_UNWIND_SUPPORT): Document.
5224         (MD_FALLBACK_FRAME_STATE_FOR): Update.
5225         * unwind-dw2.c (MD_UNWIND_SUPPORT): #include if defined.
5226         (uw_frame_state_for): Adjust MD_FALLBACK_FRAME_STATE_FOR invocation.
5227         (MD_FROB_UPDATE_CONTEXT): Remove default.
5228         (uw_update_context_1): Instead #ifdef invocation.
5229         * config/ia64/unwind-ia64.c (MD_UNWIND_SUPPORT): #include if defined.
5230         (uw_frame_state_for): Adjust MD_FALLBACK_FRAME_STATE_FOR invocation.
5231         * config/alpha/gnu.h (MD_FALLBACK_FRAME_STATE_FOR): Don't undef.
5232         (MD_UNWIND_SUPPORT): Undefine this instead.
5233         * config/i386/gnu.h: Likewise.
5234         * config/alpha/linux-unwind.h: New file, macro converted to
5235         function, extracted from..
5236         * config/alpha/linux.h (MD_FALLBACK_FRAME_STATE_FOR): ..this.
5237         (MD_UNWIND_SUPPORT): Define.
5238         * config/alpha/vms-unwind.h, config/alpha/vms.h: Likewise.
5239         * config/i386/linux-unwind.h, config/i386/linux.h,
5240         config/i386/linux64.h: Likewise.
5241         * config/ia64/linux-unwind.h, config/ia64/linux.h: Likewise.
5242         MD_HANDLE_UNWABI too.
5243         * config/mips/linux-unwind.h, config/mips/linux.h: Likewise.
5244         * config/pa/linux-unwind.h, config/pa/pa32-linux.h: Likewise.
5245         * config/rs6000/darwin-unwind.h, config/rs6000/darwin.h: Likewise.
5246         * config/s390/linux-unwind.h, config/s390/linux.h: Likewise.
5247         * config/sparc/linux-unwind.h, config/sparc/linux.h,
5248         config/sparc/linux64.h: Likewise.
5249         * config/sh/linux-unwind.h, config/sh/linux.h: Likewise, but merge
5250         SH_FALLBACK_FRAME_FLOAT_STATE into sh_fallback_frame_state.
5251         * config/rs6000/linux-unwind.h, config/rs6000/linux.h,
5252         config/rs6000/linux64.h: Likewise.  Split out get_sigcontext
5253         function.  Use ARG_POINTER_REGNUM for 32-bit temp reg too.
5254
5255 2004-09-07  Jan Hubicka  <jh@suse.cz>
5256
5257         * cse.c (fold_rtx):  Avoid building of
5258         (CONST (MINUS (CONST_INT) (SYMBOL_REF)))
5259
5260         * tree-ssa-pre.c (grand_bitmap_obstack): New.
5261         (value_insert_into_set_bitmap, bitmap_set_new): Use the obstack.
5262         (init_pre): Initialize obstack.
5263         (fini_pre): Free obstack.
5264
5265 2004-09-07  David Daney  <ddaney@avtrex.com>
5266
5267         * config.gcc: Added support for --with-divide=[breaks|traps] for
5268         mips targets.
5269         * config/mips/mips.h (MASK_DIVIDE_BREAKS): New target_flags bit.
5270         (TARGET_DIVIDE_TRAPS): New macro.
5271         (TARGET_SWITCHES): Added -mdivide-traps and -mdivide-breaks.
5272         (OPTION_DEFAULT_SPECS): Added --with-divide= support.
5273         * config/mips/mips.c (mips_idiv_insns): Generate proper count on
5274         GENERATE_DIVIDE_TRAPS.
5275         (mips_output_division): Emit conditional trap if
5276         GENERATE_DIVIDE_TRAPS is set.
5277         * doc/install.texi: Document --with-divide.
5278         * doc/invoke.texi: Document -mdivide-traps and -mdivide-breaks.
5279
5280 2004-09-07  Caroline Tice  <ctice@apple.com>
5281
5282         * cfgrtl.c (rtl_verify_flow_info_1):  Add new edge flag,
5283         EDGE_CROSSING, to flags test case.
5284
5285 2004-09-07  Jan Hubicka  <jh@suse.cz>
5286
5287         * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Deal with '<'
5288         class too.
5289
5290 2004-09-07  Nathan Sidwell  <nathan@codesourcery.com>
5291
5292         * cfganal.c (flow_depth_first_order_compute, dfs_enumerate_from,
5293         cfgbuild.c, inside_basic_block_p, control_flow_insn_p,
5294         make_label_edge, make_edges, find_basic_blocks_1): Use gcc_assert
5295         or gcc_unreachable.
5296         * cfg.c (clear_edges, initialize_bb_rbi, compact_blocks,
5297         remove_edge, alloc_aux_for_blocks, free_aux_for_blocks,
5298         alloc_aux_for_edges, free_aux_for_edges): Likewise.
5299         * cfgcleanup.c (try_forward_edges,
5300         merge_blocks_move_predecessor_nojumps,
5301         merge_blocks_move_successor_nojumps): Likewise.
5302         * cfgexpand.c (expand_gimple_cond_expr,
5303         expand_gimple_tailcall): Likewise.
5304         * cfghooks.c (duplicate_block): Likewise.
5305         * cfglayout.c (record_effective_endpoints,
5306         insn_locators_initialize, change_scope, fixup_reorder_chain,
5307         verify_insn_chain, fixup_fallthru_exit_predecessor,
5308         duplicate_insn_chain, cfg_layout_finalize): Likewise.
5309         * cfgloopanal.c (check_irred): Likewise.
5310         * cfgloop.c (superloop_at_depth, flow_loops_free,
5311         flow_loop_entry_edges_find, flow_loops_find,
5312         flow_loop_outside_edge_p, get_loop_body,
5313         get_loop_body_in_dom_order, get_loop_body_in_bfs_order,
5314         get_loop_exit_edges, num_loop_branches, cancel_loop,
5315         verify_loop_structure): Likewise.
5316         cfgloopmanip.c (find_path, remove_path, loop_delete_branch_edge,
5317         duplicate_loop_to_header_edge, create_preheader,
5318         create_loop_notes): Likewise.
5319         * cfgrtl.c (delete_insn, try_redirect_by_replacing_jump,
5320         edirect_branch_edge, force_nonfallthru_and_redirect,
5321         rtl_split_edge, insert_insn_on_edge, commit_one_edge_insertion,
5322         commit_edge_insertions, commit_edge_insertions_watch_calls,
5323         purge_dead_edges, cfg_layout_redirect_edge_and_branch,
5324         cfg_layout_redirect_edge_and_branch_force,
5325         cfg_layout_merge_blocks, rtl_flow_call_edges_add): Likewise.
5326         * cgraph.c (cgraph_node, cgraph_create_edge, cgraph_remove_edge,
5327         cgraph_redirect_edge_callee, cgraph_global_info, cgraph_rtl_info,
5328         cgraph_varpool_node): Likewise.
5329         * cgraphunit.c (cgraph_finalize_function,
5330         cgraph_finalize_compilation_unit, cgraph_mark_functions_to_output,
5331         cgraph_expand_function, cgraph_remove_unreachable_nodes,
5332         cgraph_clone_inlined_nodes, cgraph_mark_inline_edge,
5333         cgraph_mark_inline, cgraph_expand_all_functions,
5334         cgraph_build_static_cdtor): Likewise.
5335         * combine.c  (do_SUBST, try_combine, subst, combine_simplify_rtx,
5336         simplify_logical, distribute_notes, insn_cuid): Likewise.
5337         * conflict.c (conflict_graph_add, print_conflict): Likewise.
5338         * coverage.c (rtl_coverage_counter_ref, tree_coverage_counter_ref,
5339         coverage_checksum_string): Likewise.
5340         * cse.c (make_new_qty, make_regs_eqv, insert, invalidate,
5341         hash_rtx, exp_equiv_p, cse_basic_block, count_reg_usage,
5342         cse_cc_succs, cse_condition_code_reg): Likewise.
5343         * cselib.c (entry_and_rtx_equal_p, remove_useless_values,
5344         rtx_equal_for_cselib_p, wrap_constant, cselib_hash_rtx,
5345         new_cselib_val, cselib_subst_to_values, cselib_invalidate_regno,
5346         cselib_record_set): Likewise.
5347
5348 2004-09-07  Jan Hubicka  <jh@suse.cz>
5349
5350         * tree-ssa-loop-ivopts.c (iv_value): Avoid invalid sharing on niter.
5351
5352 2004-09-07  Nathan Sidwell  <nathan@codesourcery.com>
5353
5354         * builtins.c (fold_builtin_strchr): Use build_int_cst, not
5355         fold_convert.
5356         (fold_builtin_strpbrk): Likewise.
5357         * expr.c (array_ref_low_bound): Likewise.
5358         * tree-scalar-evolution.c (chrec_is_positive, add_to_evolution_1,
5359         interpret_rhs_modify_expr, number_of_iterations_in_loop): Likewise.
5360         * tree-sra.c (generate_element_zero): Likewise.
5361         * tree-ssa-dom.c (simplify_rhs_and_lookup_avail_expr): Likewise.
5362         * tree-ssa-loop-ivopts.c (determine_biv_step, idx_find_step,
5363         add_old_iv_candidates, add_iv_candidates): Likewise.
5364         * tree-tailcall.c (tree_optimize_tail_calls_1): Likewise.
5365
5366 2004-09-07  Nathan Sidwell  <nathan@codesourcery.com>
5367
5368         * c-aux-info.c (gen_type): Use gcc_assert or gcc_unreachable.
5369         * c-common.c (c_type_hash, c_common_nodes_and_builtins,
5370         c_expand_expr, boolean_increment, nonnull_check_p,
5371         check_function_arguments_recurse, fold_offsetof_1): Likewise.
5372         * c-cppbuiltin.c (define__GNUC__, builtin_define_stdint_macros,
5373         builtin_define_type_max): Likewise.
5374         * c-decl.c (bind, pop_scope, merge_decls, pushdecl_top_level,
5375         implicit_decl_warning, builtin_function, build_compound_literal,
5376         complete_array_type, grokdeclarator, get_parm_info,
5377         start_function, store_parm_decls_oldstyle,
5378         c_write_global_declarations): Likewise.
5379         * c-format.c (get_constant, decode_format_attr,
5380         maybe_read_dollar_number, get_flag_spec, check_format_arg,
5381         check_format_types, format_type_warning,
5382         find_char_info_specifier_index, init_dynamic_asm_fprintf_info,
5383         init_dynamic_diag_info, handle_format_attribute): Likewise.
5384         * c-gimplify.c (push_context, pop_context, finish_bc_block):
5385         * c-lex.c (c_lex_with_flags, lex_string): Likewise.
5386         * c-objc-common.c (c_tree_printer): Likewise.
5387         * c-pch.c (pch_init): Likewise.
5388         * c-pragma.c (maybe_apply_pragma_weak): Likewise.
5389         * c-pretty-print.c (pp_c_tree_decl_identifier): Likewise.
5390         * c-typeck.c (c_incomplete_type_error, composite_type,
5391         common_pointer_type, common_type, same_translation_unit_p,
5392         tagged_types_tu_compatible_p, finish_init, pop_init_level,
5393         set_designator, set_nonincremental_init_from_string,
5394         process_init_element, c_finish_if_stmt): Likewise.
5395         * caller-save.c (init_caller_save, save_call_clobbered_regs,
5396         insert_restore, insert_save, insert_one_insn): Likewise.
5397         * calls.c (emit_call_1, compute_argument_block_size,
5398         precompute_arguments, expand_call, emit_library_call_value_1,
5399         store_one_arg): Likewise.
5400
5401 2004-09-07  Nathan Sidwell  <nathan@codesourcery.com>
5402
5403         * configure.ac (enable-checking): Add release option. Reorganize
5404         to avoid repetition.
5405         * configure: Rebuilt.
5406         * doc/install.texi (enable-checking): Amend documentation.
5407
5408 2004-09-06  H.J. Lu  <hongjiu.lu@intel.com>
5409
5410         PR bootstrap/17313
5411         * Makefile.in (specs.ready): Depend on cc1$(exeext).
5412
5413 2004-09-06  James E Wilson  <wilson@specifixinc.com>
5414
5415         * config/mips/mips.md (movsf_hardfloat, movdf_hardfloat_64bit,
5416         movdf_hardfloat_32bit): Split fG into two alternatives.
5417         (movv2sf_hardfloat_64bit): Split fYG into two alternatives.
5418
5419         * emit-rtl.c (try_split): Check INSN_P before may_trap_p call.
5420
5421 2004-09-06  Eric Botcazou  <ebotcazou@libertysurf.fr>
5422
5423         * final.c (output_in_slot): Delete.
5424         (final_scan_insn): Revert 2004-09-03 change.
5425         (output_asm_insn): Likewise.
5426         * config/sparc/sparc.c (output_return): Likewise.
5427         (output_sibcall): Likewise.
5428
5429 2004-09-06  Jan Hubicka  <jh@suse.cz>
5430
5431         * loop.c (loop_dump_aux): Do not print RTL when not available.
5432         * tree-ssa-loop-ivopts.c (add_standard_iv_candidates): Do not use
5433         frontend specific type nodes.
5434         (produce_memory_decl_rtl): Break out from ...
5435         (prepare_decl_rtl): ... here.  Handle ADDR_EXPR correctly.
5436         (get_computation_at): Avoid random tree sharing.
5437         (tree_ssa_iv_optimize): Verify tree sharing; dump loops.
5438
5439 2004-09-06  Zack Weinberg  <zack@codesourcery.com>
5440
5441         * Makefile.in (rtl.o, bitmap.o): Correct dependencies, remove
5442         unnecessary commands.
5443
5444 2004-09-06  Mohan Embar  <gnustuff@thisiscool.com>
5445
5446         * Makefile.in (rtl.o): Remove -DGENERATOR_FILE.
5447         (bitmap.o): Likewise.
5448
5449 2004-09-06  Paolo Bonzini  <bonzini@gnu.org>
5450
5451         Unify the management of RTL and tree-level dump files.
5452
5453         * cfgexpand.c (tree_expand_cfg): Fix incorrect comment.
5454         Don't print function name to the dump file, the pass manager
5455         would do this for us. Add code from the top of
5456         rest_of_compilation, up to the initial RTL dump.
5457         * passes.c (rest_of_handle_jump): Call fixup_tail_calls and
5458         close the DFI_sibling dump file.
5459         (rest_of_compilation): Don't do that here.  Remove code up to the
5460         initial RTL dump.
5461         (init_optimization_passes): Remove.
5462         (pass_rest_of_compilation): Change pass name to NULL.
5463         * toplev.c (lang_dependent_init): Do not use an empty dump file prefix.
5464         Do not call init_optimization_passes.
5465         * toplev.h (init_optimization_passes): Remove.
5466
5467         * graph.c (print_rtl_graph_with_bb, clean_graph_dump_file,
5468         finish_graph_dump_file): Remove SUFFIX parameter.
5469         * graph.h (print_rtl_graph_with_bb, clean_graph_dump_file,
5470         finish_graph_dump_file): Likewise.
5471
5472         * tree-pass.h (struct tree_opt_pass): Add `letter' field.
5473         * cfgexpand.c (pass_expand): Adjust.
5474         * gimple-low.c (pass_lower_cf, pass_remove_useless_vars): Adjust.
5475         * passes.c (pass_rest_of_compilation): Adjust.
5476         * predict.c (pass_profile): Adjust.
5477         * tree-alias-common.c (pass_build_pta, pass_del_pta): Adjust.
5478         * tree-cfg.c (pass_build_cfg, pass_remove_useless_stmts,
5479         pass_split_crit_edges, pass_warn_function_return): Adjust.
5480         * tree-complex.c (pass_lower_vector_ssa, pass_pre_expand): Adjust.
5481         * tree-dfa.c (pass_referenced_vars): Adjust.
5482         * tree-eh.c (pass_lower_eh): Adjust.
5483         * tree-if-conv.c (pass_build_ssa): Adjust.
5484         * tree-into-ssa.c (pass_build_ssa): Adjust.
5485         * tree-mudflap.c (pass_mudflap_1, pass_mudflap_2): Adjust.
5486         * tree-nomudflap.c (pass_mudflap_1, pass_mudflap_2): Adjust.
5487         * tree-nrv.c (pass_nrv): Adjust.
5488         * tree-optimize.c (pass_gimple, pass_all_optimizations,
5489         pass_cleanup_cfg_post_optimizing, pass_free_datastructures,
5490         pass_init_datastructures): Adjust.
5491         * tree-outof-ssa.c (pass_del_ssa): Adjust.
5492         * tree-profile.c (pass_tree_profile): Adjust.
5493         * tree-sra.c (pass_sra): Adjust.
5494         * tree-ssa-alias.c (pass_may_alias): Adjust.
5495         * tree-ssa-ccp.c (pass_ccp, pass_fold_builtins): Adjust.
5496         * tree-ssa-copyrename.c (pass_rename_ssa_copies): Adjust.
5497         * tree-ssa-dce.c (pass_dce, pass_cd_dce): Adjust.
5498         * tree-ssa-dom.c (pass_dominator): Adjust.
5499         * tree-ssa-dse.c (pass_dse): Adjust.
5500         * tree-ssa-forwprop.c (pass_forwprop): Adjust.
5501         * tree-ssa-if-conv.c (pass_if_conversion): Adjust.
5502         * tree-ssa-loop-ch.c (pass_ch): Adjust.
5503         * tree-ssa-loop.c (pass_loop, pass_loop_init, pass_lim,
5504         pass_loop_done, pass_complete_unroll, pass_iv_canon,
5505         pass_iv_optimize, pass_vectorize): Adjust.
5506         * tree-ssa-phiopt.c (pass_phiopt): Adjust.
5507         * tree-ssa-pre.c (pass_pre, pass_fre): Adjust.
5508         * tree-ssa.c (pass_redundant_phi, pass_early_warn_uninitialized,
5509         pass_late_warn_uninnitialized): Adjust.
5510         * tree-tailcall.c (pass_tail_recursion, pass_tail_calls): Adjust.
5511
5512         * Makefile.in (tree-dump.o): Add new dependencies.
5513         * cgraph.c (cgraph_remove_node): TDF_all -> TDF_tree_all.
5514         * cgraphunit.c (cgraph_preserve_function_body_p, cgraph_optimize):
5515         Likewise.
5516         * toplev.c (dump_file_name): New.
5517         * tree-dump.c (dump_enable_all): Add LETTER parameter.
5518         (struct dump_file_info): Add NUM and LETTER fields.
5519         (dump_files): Adjust and add RTL dump files.
5520         (dump_register): Add NUM and LETTER fields.
5521         (get_dump_file_name, dump_initialized_p, enable_rtl_dump_file): New.
5522         (dump_begin): Use get_dump_file_name.
5523         (dump_switch_p_1): Adjust call to dump_enable_all.
5524         * tree-dump.h (dump_register): Adjust prototype.
5525         * tree-optimize.c (register_one_dump_file): Take dump file index.
5526         Support flags for RTL dumps.
5527         (register_dump_files): Fill in NUM field of struct dump_file_info.
5528         Track properties both when the gate is executed and when it is not.
5529         (execute_todo): Dump RTL.  Add PROPERTIES parameter.
5530         (execute_one_pass): Pass properties to execute_todo.  Handle VCG
5531         dumps of RTL.
5532         * tree-pass.h (dump_file_name): New.
5533         * tree.h (TDF_TREE, TDF_RTL, get_dump_file_name, dump_initialized_p):
5534         New.
5535
5536         * Makefile.in (passes.o): Add new dependencies.
5537         * passes.c (struct dump_file_info, enum dump_file_index,
5538         dump_file_tbl, init_optimization_passes): Remove.
5539         (open_dump_file, close_dump_file): Use tree-dumping infrastructure.
5540         (rest_of_handle_new_regalloc, rest_of_handle_old_regalloc): Use
5541         dump_enabled_p.
5542         (finish_optimization_passes): Update finish_graph_dump_file loop.
5543         (enable_rtl_dump_file): Remove.
5544         * tree-dump.c (dump_files): Adjust and add RTL dump files.
5545         (enable_rtl_dump_file): Add here.
5546         * tree.h (enum tree_dump_index): Add RTL dump file indices.
5547         * doc/invoke.texi (Debugging options): Document new RTL debugging
5548         options.  Update.
5549
5550 2004-09-05  Kazu Hirata  <kazu@cs.umass.edu>
5551
5552         * c-common.c, c-decl.c, combine.c, defaults.h, fold-const.c,
5553         gimplify.c, gthr-nks.h, hooks.c, lambda-code.c, lambda-mat.c,
5554         stor-layout.c, target.h, tree-cfg.c, tree-chrec.c,
5555         tree-if-conv.c, tree-inline.c, tree-into-ssa.c,
5556         tree-mudflap.c, tree-optimize.c, tree-scalar-evolution.c,
5557         tree-ssa-alias.c, tree-ssa-ccp.c, tree-ssa-dce.c,
5558         tree-ssa-pre.c, tree-vectorizer.c, tree-vectorizer.h, tree.h,
5559         vec.h: Fix comment formatting.
5560
5561 2004-09-05  Kazu Hirata  <kazu@cs.umass.edu>
5562
5563         * c-common.c, cfgexpand.c, cgraphunit.c, defaults.h,
5564         et-forest.c, expr.c, gimplify.c, global.c, gthr-lynx.h,
5565         hard-reg-set.h, modulo-sched.c, optabs.c, postreload-gcse.c,
5566         tree-data-ref.c, tree-flow.h, tree-if-conv.c, tree-inline.c,
5567         tree-sra.c, tree-ssa-loop-im.c, tree-ssa-loop-ivopts.c,
5568         tree-ssa-loop-niter.c, tree-ssa-operands.c,
5569         tree-ssa-operands.h, tree-ssa-propagate.c,
5570         tree-ssa-propagate.h, tree-ssa-threadupdate.c, value-prof.c,
5571         vec.c, vec.h: Fix comment typos.  Follow spelling conventions.
5572
5573 2004-09-05  Diego Novillo  <dnovillo@redhat.com>
5574
5575         * tree-if-conv.c (gate_tree_if_conversion): Enable only if the
5576         vectorizer is enabled.
5577
5578 2004-09-05  Andreas Jaeger  <aj@suse.de>
5579
5580         * tree-if-conv.c: Spell check comments and clean up whitespace.
5581
5582 2004-09-05  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
5583
5584         * tree-ssa-loop-ivopts.c: New file.
5585         * Makefile.in (tree-ssa-loop-ivopts.c): Add.
5586         * cfgloop.h (target_avail_regs, target_res_regs, target_small_cost,
5587         target_pres_cost, target_spill_cost): Declare.
5588         * cfgloopanal.c (avail_regs, res_regs, small_cost, pres_cost,
5589         spill_cost): Renamed to ...
5590         (target_avail_regs, target_res_regs, target_small_cost,
5591         target_pres_cost, target_spill_cost): ... and exported.
5592         (init_set_costs, global_cost_for_size): Work with renamed variables.
5593         * common.opt (flag_ivopts): New flag.
5594         * expr.c (expand_expr_real_1): Handle SSA_NAME case.  Handle
5595         REF_ORIGINAL.
5596         * gimplify.c (struct gimplify_ctx): Add into_ssa field.
5597         (internal_get_tmp_var, gimplify_modify_expr, gimplify_expr): Support
5598         generating SSA form.
5599         (force_gimple_operand): New function.
5600         * timevar.def (TV_TREE_LOOP_IVOPTS): New timevar.
5601         * tree-cfg.c (stmt_bsi): New function.
5602         * params.def (PARAM_IV_CONSIDER_ALL_CANDIDATES_BOUND,
5603         PARAM_IV_MAX_CONSIDERED_USES): New.
5604         * tree-flow.h (stmt_bsi, tree_ssa_iv_optimize, split_loop_exit_edge,
5605         bsi_insert_on_edge_immediate_loop. standard_iv_increment_position,
5606         ip_end_pos, ip_normal_pos, force_gimple_operand): Declare.
5607         * tree-gimple.c (is_gimple_formal_tmp_var): Accept ssa names.
5608         * tree-nested.c (build_addr): Export.
5609         * tree-optimize.c (init_tree_optimization_passes): Add
5610         pass_iv_optimize.
5611         * tree-pass.h (pass_iv_optimize): Declare.
5612         * tree-ssa-loop-im.c (for_each_index): Handle REALPART_EXPR and
5613         IMAGPART_EXPR.
5614         * tree-ssa-loop-manip.c (create_iv): Force the base to be acceptable
5615         as a phi node argument.
5616         (split_loop_exit_edge, bsi_insert_on_edge_immediate_loop,
5617         ip_end_pos, ip_normal_pos, standard_iv_increment_position): New
5618         functions.
5619         * tree-ssa-loop-niter.c (zero_p, unsigned_type_for): Export.
5620         * tree-ssa-loop.c (tree_ssa_loop_ivopts, gate_tree_ssa_loop_ivopts,
5621         pass_iv_optimize): New pass.
5622         * tree-ssa-operands.c (get_indirect_ref_operands): Handle REF_ORIGINAL.
5623         * tree-ssanames.c (release_ssa_name): Allow calling with var = NULL.
5624         * tree.c (build_int_cst_type, cst_and_fits_in_hwi): New functions.
5625         * tree.h (REF_ORIGINAL): New macro.
5626         (build_int_cst_type, unsigned_type_for, zero_p,
5627         cst_and_fits_in_hwi, build_addr): Declare.
5628         * doc/invoke.texi (-fivopts): Document.
5629         (PARAM_IV_CONSIDER_ALL_CANDIDATES_BOUND,
5630         PARAM_IV_MAX_CONSIDERED_USES): Document.
5631         * doc/passes.texi: Document induction variable optimizations pass.
5632
5633 2004-09-04  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
5634
5635         * builtin-attrs.def (ATTR_NOTHROW_SENTINEL_1): New.
5636         * builtins.def (BUILT_IN_EXECLE): Set ATTR_NOTHROW_SENTINEL_1.
5637         * c-common.c (c_common_attribute_table): Accept parameters to
5638         sentinel attribute.
5639         (check_function_sentinel, handle_sentinel_attribute): Likewise.
5640         * doc/extend.texi: Update accordingly.
5641
5642 2004-09-04  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
5643
5644         * builtin-attrs.def (ATTR_SENTINEL, ATTR_SENTINEL_NOTHROW_LIST):
5645         New.
5646         * builtins.def (BUILT_IN_EXECL, BUILT_IN_EXECLP): Add `sentinel'
5647         attribute.
5648         * c-common.c (handle_sentinel_attribute, check_function_sentinel):
5649         New functions.
5650         (c_common_attribute_table): Add `sentinel' attribute.
5651         (check_function_arguments): Handle `sentinel' attribute.
5652         * doc/extend.texi: Document `sentinel' attribute.
5653
5654 2004-09-04  H.J. Lu  <hongjiu.lu@intel.com>
5655
5656         * configure: Regenerated.
5657
5658 2004-09-04  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
5659
5660         * gimplify.c (internal_get_tmp_var): Remove unused var CLASS.
5661
5662         * tree.c (save_expr): No longer TREE_READONLY.
5663
5664 2004-09-04  Jan Hubicka  <jh@suse.cz>
5665
5666         * passes.c (rest_of_clean_state):  Fix merge conflict made during
5667         commiting the patch.
5668
5669 2004-09-04  Jan Hubicka  <jh@suse.cz>
5670
5671         * passes.c (rest_of_clean_state):  Decompose the instruction stream.
5672
5673 2004-09-04  Richard Sandiford  <rsandifo@redhat.com>
5674
5675         * doc/md.texi (shift patterns): New anchor.  Add reference to
5676         TARGET_SHIFT_TRUNCATION_MASK.
5677         * doc/tm.texi (TARGET_SHIFT_TRUNCATION_MASK): Document.
5678         * target.h (shift_truncation_mask): New target hook.
5679         * targhook.h (default_shift_truncation_mask): Declare.
5680         * targhook.c (default_shift_truncation_mask): Define.
5681         * target-def.h (TARGET_SHIFT_TRUNCATION_MASK): Define.
5682         (TARGET_INITIALIZER): Include it.
5683         * simplify-rtx.c (simplify_binary_operation): Combine ASHIFT, ASHIFTRT
5684         and LSHIFTRT cases.  Truncate arg1 if SHIFT_COUNT_TRUNCATED, otherwise
5685         reject all out-of-range values.  Fix sign-extension code for modes
5686         whose width is smaller than HOST_BITS_PER_WIDE_INT.
5687         * optabs.c (simplify_expand_binop, force_expand_binop): New functions.
5688         (expand_superword_shift, expand_subword_shift): Likewise.
5689         (expand_doubleword_shift_condmove, expand_doubleword_shift): Likewise.
5690         (expand_binop): Use them to implement double-word shifts.
5691         * config/arm/arm.c (arm_shift_truncation_mask): New function.
5692         (TARGET_SHIFT_TRUNCATION_MASK): Define.
5693
5694 2004-09-04  Jan Hubicka  <jh@suse.cz>
5695
5696         * tree.c (iterate_hash_expr): Optimize, avoid use of iterative_hash_object.
5697         (mix): New macro copied from hashtab.c
5698         (iterative_hash_hashval_t, iterative_hash_pointer,
5699         iterative_hash_host_wide_int): New functions based on hashtab.c
5700         implementation.
5701
5702 2004-09-04  Richard Sandiford  <rsandifo@redhat.com>
5703
5704         * config/mips/mips.md (mask): New mode attribute.
5705         (zero_extendsidi2): Add memory alternative.
5706         (*zero_extendsidi2_mem): Delete.
5707         (zero_extend[qh]i[sd]i2): Redefine using :GPR and :SHORT.  Use
5708         memory_operand in the TARGET_MIPS16 check.
5709         (*zero_extend[qh]i[sd]i2{,_mips16}): Name previously unnamed patterns.
5710         Redefine using :GPR and :SHORT.
5711         (zero_extendqihi2): Use memory_operand in the TARGET_MIPS16 check.
5712
5713 2004-09-04  Uros Bizjak  <uros@kss-loka.si>
5714
5715         * builtins.c (expand_builtin_mathfn): Handle BUILT_IN_RINT{,F,L}
5716         using rint_optab.
5717         (expand_builtin): Expand BUILT_IN_RINT{,F,L} using
5718         expand_builtin_mathfn.
5719         * genopinit.c (optabs): Rename trunc_optab to btrunc_optab. Use
5720         btrunc?f patterns for btrunc_optab. Implement rint_optab using
5721         rint?f patterns.
5722         * optabs.c (init_optabs): Initialize rint_optab.
5723         * optabs.h (enum optab_index): Rename OTI_trunc to OTI_btrunc.
5724         Add new OTI_rint.
5725         (btrunc_optab): Rename macro from trunc_optab.
5726         (rint_optab): Define corresponding macro.
5727
5728         * reg-stack.c (subst_stack_regs_pat): Handle UNSPEC_FRNDINT_FLOOR,
5729         UNSPEC_FRNDINT_CEIL, UNSPEC_FRNDINT_TRUNC, UNSPEC_FRNDINT_MASK_PM.
5730
5731         * config/i386/i386-protos.h (emit_i387_cw_initialization):
5732         Change prototype. Add new int parameter.
5733         * config/i386/i386.c (emit_i387_cw_initialization):
5734         Handle new rounding modes.
5735
5736         * config/i386/i386.h (enum fp_cw_mode): Delete.
5737         (MODE_NEEDED): Handle new rounding modes.
5738         (EMIT_MODE_SET): Change condition to handle new rounding modes.
5739
5740         * config/i386/i386.md (UNSPEC_FRNDINT_FLOOR, UNSPEC_FRNDINT_CEIL,
5741         UNSPEC_FRNDINT_TRUNC, UNSPEC_FRNDINT_MASK_PM): New unspecs to
5742         represent different rounding modes of frndint insn.
5743         (type): Add frndint type.
5744         (i387, length, memory): Handle this type.
5745         (i387_cw): New attribute definition.
5746         (*fix_truncdi_1, fix_truncdi_nomemory, fix_truncdi_memory,
5747         *fix_truncsi_1, fix_truncsi_nomemory, fix_truncsi_memory,
5748         *fix_trunchi_1, fix_trunchi_nomemory, fix_trunchi_memory):
5749         Add "i387_cw" attribute defined to "trunc".
5750         (x86_fnstcw_1): Remove comment.
5751         (*frndintxf2): Rename insn definition to frndintxf2. Move
5752         insn definition near rint?f2 expanders.
5753         (rintdf2, rintsf2, rintxf2): New expanders to implement rint,
5754         rintf and rintl built-ins as inline x87 intrinsics.
5755         (frndintxf2_floor): New pattern to implement floor rounding
5756         mode with frndint x87 instruction.
5757         (floordf2, floorsf2, floorxf2): New expanders to implement floor,
5758         floorf and floorl built-ins as inline x87 intrinsics.
5759         (frndintxf2_ceil): New pattern to implement ceil rounding
5760         mode with frndint x87 instruction.
5761         (ceildf2, ceilsf2, ceilxf2): New expanders to implement ceil,
5762         ceilf and ceill built-ins as inline x87 intrinsics.
5763         (frndintxf2_trunc): New pattern to implement trunc rounding
5764         mode with frndint x87 instruction.
5765         (btruncdf2, btruncsf2, btruncxf2): New expanders to implement trunc,
5766         truncf and truncl built-ins as inline x87 intrinsics.
5767         (frndintxf2_mask_pm): New pattern to implement rounding
5768         mode with exceptions with frndint x87 instruction.
5769         (nearbyintdf2, nearbyintsf2, nearbyintxf2): New expanders to
5770         implement nearbyint, nearbyintf and nearbyintl built-ins as
5771         inline x87 intrinsics.
5772
5773 2004-09-04  Richard Sandiford  <rsandifo@redhat.com>
5774
5775         * config/mips/mips.md (SHORT): New mode macro.
5776         (size): New mode attribute.
5777         (extend[qh]i[sd]i2): Redefine using :GPR and :SHORT.
5778         (*extend[qh]i[sd]i2): New define_insn_and_split, combining previous
5779         *extend[qh]i[sd]i2 and *extend[qh]i[sd]i2_mem patterns.  Use only if
5780         !ISA_HAS_SEB_SEH.
5781         (*extend[qh]i[sd]i2_se[bh]): New pattern, combining previous
5782         *extend[qh]isi2_hw patterns and extending them to di.
5783         (extendqihi2): Implement as define_insn_and_split that produces
5784         extendqisi2 after reload.
5785
5786 2004-09-03  Devang Patel  <dpatel@apple.com>
5787
5788         * Makefile.in (OBJS-common): Add tree-if-conv.o
5789         (tree-if-conv.o): New rule.
5790         * cfgloop.c (flow_loop_exit_edges_find): Set EDGE_LOOP_EXIT flag.
5791         (get_loop_body_in_bfs_order): New.
5792         * cfgloop.h (get_loop_body_in_bfs_order): New.
5793         * tree-flow.h (enum move_pos): Move here from ..
5794         * tree-ssa-loop-im.c (enum move_pos): here.
5795         (movement_possibility): Make externally visible.
5796         * tree-optimize.c (init_tree_optimization_passes): New entry for
5797         if conversion pass.
5798         * tree-pass.h (pass_if_conversion): New.
5799         * tree-ssa-operands.c (get_expr_operands): Handle COND_EXPR.
5800         * tree-if-conv.c: New file.
5801         * doc/passes.texi: Document tree if-conversion pass.
5802         * doc/tree-ssa.texi: Same.
5803
5804 2004-09-03  H.J. Lu  <hongjiu.lu@intel.com>
5805
5806         PR target/14925:
5807         Makefile.in (LIB2ADDEHSTATIC): New.
5808         (LIB2ADDEHSHARED): New.
5809         (LIBUNWIND): New.
5810         (LIBUNWINDDEP): New.
5811         (SHLIBUNWIND_LINK): New.
5812         (SHLIBUNWIND_INSTALL): New.
5813         (libgcc.mk): Pass LIB2ADDEHSTATIC, LIB2ADDEHSHARED, LIBUNWIND,
5814         LIBUNWINDDEP, SHLIBUNWIND_LINK and SHLIBUNWIND_INSTALL.
5815         (clean): Remove libunwind*
5816         (stage1-start): Remove and copy stage1/libunwind*.
5817         (stage2-start): Remove and copy stage2/libunwind*.
5818         (stage3-start): Remove and copy stage3/libunwind*.
5819         (stage4-start): Remove and copy stage4/libunwind*.
5820         (stageprofile-start): Remove and copy stageprofile/libunwind*.
5821         (stagefeedback-start): Remove and copy stagefeedback/libunwind*.
5822
5823         * config.gcc (ia64*-*-linux*): Always add t-libunwind to
5824         tmake_file. Add t-libunwind-elf and ia64/t-glibc-libunwind to
5825         tmake_file if --with-system-libunwind isn't used.
5826
5827         * config/ia64/t-glibc-libunwind: New file.
5828         * config/t-libunwind-elf: Likewise.
5829         * unwind-compat.c: Likewise.
5830         * unwind-compat.h: Likewise.
5831         * unwind-dw2-fde-compat.c: Likewise.
5832
5833         * config/ia64/t-glibc (LIB2ADDEH): Updated.
5834         * config/ia64/t-hpux (T_CFLAGS): Add -DUSE_LIBUNWIND_EXCEPTIONS.
5835
5836         * config/ia64/unwind-ia64.c: Include "unwind-compat.h". Define
5837         aliases if needed.
5838         * unwind-dw2-fde-glibc.c: Likewise.
5839         * unwind-dw2.c: Likewise.
5840
5841         * config/t-libunwind (LIB2ADDEH): Updated.
5842         (LIB2ADDEHSTATIC): New.
5843         (T_CFLAGS): Add -DUSE_LIBUNWIND_EXCEPTIONS.
5844         (TARGET_LIBGCC2_CFLAGS): Set to -DUSE_GAS_SYMVER.
5845
5846         * configure.ac: Change --enable-libunwind-exceptions to
5847         --with-system-libunwind. Don't define USE_LIBUNWIND_EXCEPTIONS.
5848         * configure: Regenerated.
5849         * config.in: Updated.
5850
5851         * doc/install.texi (ia64-*-linux): Require libunwind 0.98 or
5852         above and mention --with-system-libunwind.
5853         (ia64-*-hpux*): Mention --enable-libunwind-exceptions is
5854         removed in gcc 3.4.3 and later.
5855
5856         * gcc.c (init_spec): Add -lunwind to -lgcc_s if
5857         USE_LIBUNWIND_EXCEPTIONS is defined.
5858
5859         * mklibgcc.in: Support libunwind.
5860
5861 2004-09-03  H.J. Lu  <hongjiu.lu@intel.com>
5862
5863         * config/i386/i386.c (x86_branch_hints): Remove m_PENT4 and
5864         m_NOCONA.
5865
5866 2004-09-03  Richard Henderson  <rth@redhat.com>
5867
5868         PR middle-end/9997
5869         * cfgexpand.c (LOCAL_ALIGNMENT): Provide default.
5870         (STACK_ALIGNMENT_NEEDED, FRAME_GROWS_DOWNWARD): Likewise.
5871         (struct stack_var, EOC, stack_vars, stack_vars_alloc, stack_vars_num,
5872         stack_vars_sorted, stack_vars_conflict, stack_vars_conflict_alloc,
5873         frame_phase, get_decl_align_unit, add_stack_var, triangular_index,
5874         resize_stack_vars_conflict, add_stack_var_conflict,
5875         stack_var_conflict_p, add_alias_set_conflicts, stack_var_size_cmp,
5876         union_stack_vars, partition_stack_vars, dump_stack_var_partition,
5877         expand_one_stack_var_at, expand_stack_vars, expand_one_stack_var,
5878         expand_one_static_var, expand_one_hard_reg_var,
5879         expand_one_register_var, expand_one_error_var, defer_stack_allocation,
5880         expand_one_var, expand_used_vars_for_block, clear_tree_used): New.
5881         (expand_used_vars): Rewrite.
5882         * Makefile.in (cfgexpand.o): Update dependencies.
5883
5884 2004-09-04  Jan Hubicka  <jh@suse.cz>
5885
5886         * cfg.c (free_edge): Use ggc_free.
5887         (expunge_block): Use ggc_free.
5888         * passes.c (rest_of_clean_state): Free after compilation.
5889         * tree-ssa.c (delete_tree_ssa): Free annotations; call release_defs
5890         * tree-ssanames.c (release_defs): Ignore non-SSA_NAME arguments.
5891
5892 2004-09-03  James E Wilson  <wilson@specifixinc.com>
5893
5894         * tree-ssa-alias.c (may_be_aliased): Move TREE_STATIC check after
5895         DECL_EXTERNAL check.
5896
5897 2004-09-03  Eric Botcazou  <ebotcazou@libertysurf.fr>
5898
5899         * final.c (output_in_slot): New global variable.
5900         (final_scan_insn): Add new state '2' to the 'nopeepholes' parameter.
5901         Pass 2 as 'nopeepholes' to self for insns in a SEQUENCE.  Set
5902         'output_in_slot' before invoking output_asm_insn.
5903         (output_asm_insn): Add a space after the tab if 'output_in_slot'
5904         is set.
5905         * config/sparc/sparc.c (output_return): Pass 2 as 'nopeepholes' to
5906         final_scan_insn.
5907         (output_sibcall): Likewise.
5908
5909 2004-09-03  Jan Hubicka  <jh@suse.cz>
5910
5911         * tree-ssa-operands.c (fini_ssa_operands): ggc_free unused arrays.
5912         * tree-ssanames (init_ssanames): Likewise.
5913
5914 2004-09-03  Ziemowit Laski  <zlaski@apple.com>
5915
5916         * stub-objc.c (objc_is_id, objc_declare_alias, objc_declare_class,
5917         objc_declare_protocols, objc_start_protocol,
5918         objc_start_class_interface, objc_start_category_interface,
5919         objc_continue_interface, objc_finish_interface,
5920         objc_add_instance_variable, objc_set_visibility, objc_set_method_type,
5921         objc_start_class_implementation, objc_start_category_implementation,
5922         objc_continue_implementation, objc_finish_implementation,
5923         objc_add_method_declaration, objc_start_method_definition,
5924         objc_finish_method_definition, objc_build_keyword_decl,
5925         objc_build_method_signature, objc_build_encode_expr,
5926         objc_build_protocol_expr, objc_build_selector_expr,
5927         objc_build_message_expr, objc_build_string_object,
5928         objc_get_class_reference, objc_get_protocol_qualified_type,
5929         objc_static_init_needed_p, objc_generate_static_init_call): New stubs.
5930
5931 2004-09-03  James E Wilson  <wilson@specifixinc.com>
5932
5933         * config/mips/mips.h (TARGET_CPU_CPP_BUILTINS): Add __mips3d.
5934
5935         * config/mips/generic.md (generic_frecip_fsqrt_step): New.
5936         * config/mips/mips-ps-3d.md (mips_rsqrt1_<fmt>): Use frsqrt1 type.
5937         (mips_rsqrt2_<fmt>): Use frsqrt2 type.
5938         (mips_recip1_<fmt>): Use frdiv1 type.
5939         (mips_recip2_<fmt>): Use frdiv2 type.
5940         * config/mips/mips.md (type): Add frdiv1, frdiv2, frsqrt1, frsqrt2.
5941         * config/mips/sb1.md (ir_sb1_fpu_2pipes, ir_sb1_fpu_1pipe): Add frdiv1
5942         and frsqrt1.
5943         (ir_sb1_fpu_step2_2pipes, ir_sb1_fpu_step2_1pipe): New.
5944
5945 2004-09-03  Daniel Jacobowitz  <dan@debian.org>
5946
5947         * reload.c (find_reloads): Swap operand_loc pointers for
5948         find_dummy_reload if we have swapped two operands.
5949
5950 2004-09-03  Hans-Peter Nilsson  <hp@axis.com>
5951
5952         * config/cris/cris.h (ASM_OUTPUT_CASE_END): Use prev_nonnote_insn
5953         to get the tablejump-insn before the jump-table label.
5954
5955 2004-09-03  Ziemowit Laski  <zlaski@apple.com>
5956
5957         * c-common.h (objc_is_id, objc_declare_alias, objc_declare_class,
5958         objc_declare_protocols, objc_build_message_expr,
5959         objc_finish_message_expr, objc_build_selector_expr,
5960         objc_build_protocol_expr, objc_build_encode_expr,
5961         objc_build_string_object, objc_get_protocol_qualified_type,
5962         objc_get_class_reference, objc_get_class_ivars,
5963         objc_start_class_interface, objc_start_category_interface,
5964         objc_start_protocol, objc_continue_interface, objc_finish_interface,
5965         objc_start_class_implementation, objc_start_category_implementation,
5966         objc_continue_implementation, objc_finish_implementation,
5967         objc_set_visibility, objc_set_method_type, objc_build_method_signature,
5968         objc_add_method_declaration, objc_start_method_definition,
5969         objc_finish_method_definition, objc_add_instance_variable,
5970         objc_build_keyword_decl, objc_build_throw_stmt, objc_begin_try_stmt,
5971         objc_finish_try_stmt, objc_begin_catch_clause,
5972         objc_finish_catch_clause, objc_build_finally_clause,
5973         objc_build_synchronized, objc_static_init_needed_p,
5974         objc_generate_static_init_call): New prototypes.
5975
5976 2004-09-03  Steve Ellcey  <sje@cup.hp.com>
5977
5978         * config/ia64/ia64.c (ia64_function_arg): Use PARALLEL even if there
5979         is only one reg.
5980         (ia64_function_value): Ditto.
5981
5982 2004-09-03  Jan Beulich  <jbeulich@novell.com>
5983
5984         * config.gcc: Resurrect NetWare as a target. Handle special case of
5985         Novell linker to be used (specified through --with-ld=) and threading
5986         model of either Posix (default) or NKS.
5987         * config/i386/i386.c (ix86_return_pops_args): Conditionalize popping
5988         of incoming hidden argument on KEEP_AGGREGATE_RETURN_POINTER.
5989         * config/i386/i386.h (KEEP_AGGREGATE_RETURN_POINTER): New.
5990         * config/i386/netware.c, config/i386/netware.h: New.
5991         * config/i386/nwld.c, config/i386/nwld.h: New.
5992         * config/i386/netware-crt0.c: New.
5993         * config/i386/netware-libgcc.c: New.
5994         * config/i386/netware-libgcc.def: New.
5995         * config/i386/netware-libgcc.exp: New.
5996         * config/i386/t-netware, config/i386/t-nwld: New.
5997         * gthr-nks.h: New.
5998         * doc/install.texi: Document NKS threading model.
5999
6000 2004-09-03  Jan Beulich  <jbeulich@novell.com>
6001
6002         PR c/7054
6003         * defaults.h (TARGET_DEFAULT_PACK_STRUCT): Provide default.
6004         * tree.h (initial_max_fld_align): Declare
6005         * stor-layout.c (initial_max_fld_align): Define and initialize.
6006         (maximum_field_alignment): Initialize to the same value.
6007         * common.opt: Add -fpack-struct= variant of switch.
6008         * opts.c: Handle -fpack-struct= variant of switch.
6009         * c-pragma.c: Change #pragma pack() handling so that it becomes
6010         compatible to other compilers: accept individual 'push' argument,
6011         make final pop restore (command line) default, correct interaction
6012         of push/pop and sole specification of a new alignment (so that the
6013         sequence #pragma pack(push) - #pragma pack(<n>) becomes identical
6014         to #pragma pack(push, <n>).
6015         * doc/extend.texi: New node "Structure-Packing Pragmas" under
6016         "Pragmas", describing #pragma pack.
6017         * doc/invoke.texi: Document -fpack-struct=<n> variant of switch.
6018         * doc/tm.texi: Adjust description for HANDLE_PRAGMA_PACK_PUSH_POP.
6019         Document new TARGET_DEFAULT_PACK_STRUCT.
6020
6021 2004-09-03  Devang Patel  <dpatel@apple.com>
6022
6023         * dwarf2out.c (gen_field_die). Equate decl number to die.
6024
6025 2004-09-03  Vladimir Makarov  <vmakarov@redhat.com>
6026
6027         PR target/15832
6028         * global.c (modify_reg_pav): New function.
6029         (make_accurate_live_analysis): Call the new function.  Move pavin
6030         modification by earlyclobber set into the new function.
6031
6032 2004-09-03  Andreas Schwab  <schwab@suse.de>
6033
6034         * config/m68k/m68k.c (output_andsi3): Use -1 instead of
6035         (HOST_WIDE_INT)0xffffffff since CONST_INT value are always sign
6036         extended.
6037
6038 2004-09-02  Jan Beulich  <jbeulich@novell.com>
6039
6040         * Makefile.in (LIB2ADDEHDEP): Add unwind.h and unwind-pe.h.
6041         * mklibgcc.in (libgcc_dep): New, covering general dependencies, but
6042         not unwind code specific ones.
6043         (libgcc2_c_dep): Replace general dependencies with use of libgcc_dep.
6044         Remove unwind code specific dependencies.
6045         (libgcov_c_dep): Replace general dependencies with use of libgcc_dep.
6046         Remove gbl-ctors.h.
6047         Add libgcc_dep to output generated for LIB2ADD, LIB2ADDEH, and
6048         LIB2ADD_ST. Add LIB2ADDEHDEP to output generated for LIB2ADDEH.
6049         * tsystem.h: Declare memcpy and memset when inhibit_libc.
6050
6051 2004-09-02  Roman Zippel  <zippel@linux-m68k.org>
6052
6053         * combine.c (try_combine): Delay modifying of insns which cannot
6054         be easily undone.
6055
6056 2004-09-02  Daniel Berlin  <dberlin@dberlin.org>
6057
6058         * gcc/common.opt: Rename ivcanon to tree-loop-ivcanon, tree-lim to
6059         tree-loop-im.
6060         * gcc/tree-ssa-loop.c: Ditto
6061         * gcc/tree-ssa-loop-ivcanon.c: Ditto
6062         * gcc/doc/invoke.texi: Ditto.
6063
6064 2004-09-02  Ziemowit Laski  <zlaski@apple.com>
6065
6066         * c-decl.c (store_parm_decls_newstyle): Make static.
6067         (store_parm_decls_from): New function.
6068         * c-tree.h (store_parm_decls_newstyle): Remove prototype.
6069         (store_parm_decls_from): New prototype.
6070
6071 2004-09-02  David Edelsohn  <edelsohn@gnu.org>
6072
6073         * config/rs6000/rs6000.c (expand_block_move): Use SImode and
6074         HImode with STRICT_ALIGNMENT.
6075
6076 2004-09-02  Mark Mitchell  <mark@codesourcery.com>
6077
6078         * config/arm/bpabi.h (TARGET_BPABI_CPP_BUILTINS): Define.
6079         (TARGET_OS_CPP_BUILTINS): Likewise.
6080         * config/arm/symbian.h (TARGET_OS_CPP_BUILTINS): Include
6081         TARGET_BPABI_CPP_BUILTINS.
6082
6083 2004-09-02  Roman Zippel  <zippel@linux-m68k.org>
6084
6085         * combine.c (distribute_notes): Don't add REG_LABEL to jump insn.
6086
6087 2004-09-02  Eric Christopher  <echristo@redhat.com>
6088
6089         * builtins.c (expand_builtin_cabs): Delete.
6090         (expand_builtin): If unable to fold the values do a normal
6091         library call for builtin_cab*.
6092         (fold_builtin_cabs): Depend on optimize and optimize_size.
6093         * optabs.c (expand_cmplxdiv_straight): Delete.
6094         (expand_cmplxdiv_wide): Ditto.
6095         (expand_vector_binop): Ditto.
6096         (expand_vector_unop): Ditto.
6097         (expand_complex_abs): Delete.
6098         (expand_binop): Remove calls to above functions.
6099         Remove open coding of complex arithmetic.
6100         (expand_unop): Ditto.
6101         * optabs.h: Remove prototypes.
6102
6103 2004-09-02  Ziemowit Laski  <zlaski@apple.com>
6104
6105         * c-decl.c (store_parm_decls_newstyle): Make externally visible.
6106         * c-tree.h (store_parm_decls_newstyle): New prototype.
6107
6108 2004-09-02  Geoffrey Keating  <geoffk@apple.com>
6109
6110         * config/rs6000/rs6000.c (expand_block_clear): Use vector
6111         instructions if available.
6112         (expand_block_move): Likewise.
6113
6114 2004-09-03  Jan Hubicka  <jh@suse.cz>
6115
6116         * rtl.def (RANGE_INFO, RANGE_REG, RANGE_VAR, RANGE_LIVE): Kill.
6117
6118 2004-09-02  Mark Mitchell  <mark@codesourcery.com>
6119
6120         * config/arm/symbian.h (LIB_SPEC): Define to empty.
6121         * config/arm/t-symbian (SHLIB_LC): Likewise.
6122
6123 2004-09-02  Paul Brook  <paul@codesourcery.com>
6124
6125         * config/arm/bpabi.c (__aeabi_ul2d, __aeabi_ul2f): Remove.
6126
6127 2004-09-02  Richard Sandiford  <rsandifo@redhat.com>
6128
6129         * config/mips/mips.c (mips_classify_symbol, mips_fetch_insns):
6130         (mips_restore_gp, mips_set_return_address, mips_expand_prologue)
6131         (mips16_fp_args, mips_avoid_hazard): Replace abort with gcc_assert.
6132         (build_mips16_call_stub): Likewise.  Remove daft CALL_INSN checks.
6133         (mips_issue_rate): Remove unreachable abort.
6134         (mips_symbolic_constant_p, mips_symbolic_address_p, mips_symbol_insns)
6135         (mips_output_move, mips_relational_operand_ok_p, mips_arg_info)
6136         (mips_block_move_straight, print_operand_address, mips_file_start)
6137         (mips_initial_elimination_offset, mips16_fp_args, dump_constants_1)
6138         (mips_output_conditional_branch, mips_expand_builtin_direct)
6139         (mips_expand_builtin_compare): Replace abort with gcc_unreachable.
6140         * config/mips/mips.md (rotr<mode>3, consttable_float): Replace abort
6141         with gcc_assert.
6142
6143 2004-09-02  Richard Sandiford  <rsandifo@redhat.com>
6144
6145         * config/mips/mips.md (*lea_high64): Change split condition to
6146         flow2_completed.  Add a peephole2 to generate a more parallel version.
6147
6148 2004-09-02  Jan Hubicka  <jh@suse.cz>
6149
6150         * gimplify.c (gimplify_compound_lval): Move "stack" varray out of
6151         GGC.
6152
6153         * ggc-page.c: include tree-flow.h.
6154         (extra_order_size_table): Add stmt_ann_d.
6155         (STAT_LABEL): Rename from ....
6156         (LABEL): ... this one.
6157         * Makefile.in (ggc-page.o): Add dependency.
6158
6159         * ggc-common.c (ggc_force_collect): New global variable.
6160         (loc_description): Add fields "freed", "collected"
6161         (ptr_hash): New static hash
6162         (ptr_hash_entry): New structure.
6163         (hash_ptr,eq_ptr,ggc_prune_ptr): New static functions.
6164         (ggc_record_overhead): Take ptr argument, record it
6165         (ggc_prune_overhead_list, ggc_free_overhead): New functions.
6166         (cmp_statistics): Imrove sorting.
6167         (dump_ggc_loc_statistics): Output newly collected statistics
6168         * ggc-page.c (ggc_alloc): Update call of ggc_record_overhead
6169         (ggc_free): Call ggc_free_overhead.
6170         (ggc_collect): Force collection when asked to be forced.
6171         (ggc_collect): Call ggc_prune_overhead_list.
6172         * ggc.h (ggc_force_collect): Declare
6173         (ggc_record_overhead): Update prototype.
6174         (ggc_free_overhead, ggc_prune_overhead_list): Declare.
6175
6176 2004-09-02  James E Wilson  <wilson@specifixinc.com>
6177
6178         * common.opt (ftrapping-math): Default to on.
6179
6180 2004-09-02  Richard Earnshaw  <rearnsha@arm.com>
6181
6182         * arm/predicates.md (arm_reload_memory_operand): Allow MEM.
6183
6184 2004-09-02  Denis Chertykov  <denisc@overta.ru>
6185
6186         PR target/16884
6187         * config/avr/avr.md ("movmemhi"): Substitute match_dup to
6188         match_scratch.
6189         (*movmemqi_insn): Likewise.
6190         (*movmemhi): Likewise.
6191         (clrmemhi): Likewise.
6192         (*clrmemqi): Likewise.
6193         (*clrmemhi): Likewise.
6194
6195 2004-09-02  Paul Brook  <paul@codesourcery.com>
6196
6197         * config.gcc (arm*-*-eabi* | arm*-*-symbianelf*): Set
6198         default_use_cxa_atexit=yes.
6199
6200 2004-09-02  Alan Modra  <amodra@bigpond.net.au>
6201
6202         * config/rs6000/linux64.h: Don't include signal.h or sys/ucontext.h.
6203         (struct kernel_old_ucontext): Delete.
6204         (struct gcc_pt_regs, gcc_sigcontext, gcc_ucontext): New.
6205         (MD_FALLBACK_FRAME_STATE_FOR): Use gcc_* structs.  Only define
6206         when IN_LIGGCC2.
6207
6208 2004-09-02  Richard Sandiford  <rsandifo@redhat.com>
6209
6210         * toplev.c (process_options): Fix typo.
6211
6212 2004-09-01  Richard Henderson  <rth@redhat.com>
6213
6214         PR middle-end/17258
6215         * calls.c (initialize_argument_information): Tighten pass-through
6216         conditions for pass-by-reference.  Remove dead TARGET_EXPR code.
6217         Use build_fold_addr_expr.
6218         (emit_library_call_value_1): Use build_fold_addr_expr.  Remove code
6219         that assumes ADDR_EXPR allocates stack space.
6220         * fold-const.c (build_fold_addr_expr_with_type): Look through
6221         WITH_SIZE_EXPR.
6222
6223 2004-09-01  Dan Nicolaescu  <dann@ics.uci.edu>
6224
6225         * gengenrtl.c (gendef): Use rtx_alloc, don't do PUT_CODE.
6226         * ggc.h (ggc_alloc_rtx): Delete.
6227
6228 2004-09-01  Roger Sayle  <roger@eyesopen.com>
6229
6230         * expmed.c (enum alg_code): Remove long unused enumeration values.
6231         (struct mult_cost): New structure to hold the "score" of a synthetic
6232         multiply sequence, including both a rtx_cost and a latency field.
6233         (MULT_COST_LESS): New macro to compare mult_cost to a constant.
6234         (CHEAPER_MULT_COST): New macro to compare two mult_costs.
6235         (struct algorithm): Change type of cost field to be mult_cost.
6236         (synth_mult): Change type of cost_limit argument to be a
6237         pointer to a mult_cost.  Update all cost comparisons to use the
6238         new mult_cost infrastructure.  For alg_add_factor and
6239         alg_sub_factor operations, latency is lower than the rtx_cost.
6240         (choose_mult_variant):  Update calls to synth_mult.  Perform
6241         cost comparisons using the new mult_cost infrastructure.
6242         (expand_mult_highpart): Use alg.cost.cost instead of alg.cost
6243         to optain the total rtx_cost of a synth_mult "algorithm".
6244
6245 2004-09-01  David Edelsohn  <edelsohn@gnu.org>
6246
6247         * config/rs6000/power4.md: Increase store latency to 12.
6248         * config/rs6000/power5.md: Same.
6249
6250 2004-09-01  James E Wilson  <wilson@specifixinc.com>
6251
6252         PR target/14064
6253         * config/avr/avr.c (avr_unique_section): Delete prototype and
6254         definition.
6255         (TARGET_ASM_UNIQUE_SECTION): Delete.
6256
6257 2004-09-01  Ziemowit Laski  <zlaski@apple.com>
6258
6259         * c-parse.in (primary): Call objc_build_message_expr(),
6260         objc_build_selector_expr(), objc_build_protocol_expr(),
6261         objc_build_encode_expr() and objc_build_string_object() instead of
6262         build_message_expr(), build_selector_expr(), build_protocol_expr(),
6263         build_encode_expr() and build_objc_string_object(), respectively.
6264         (component_decl_list2): Call objc_get_class_ivars() instead of
6265         get_class_ivars_from_name().
6266         (keyworddecl): Call objc_build_keyword_decl() instead of
6267         build_keyword_decl().
6268         (receiver): Call objc_get_class_reference() instead of
6269         get_class_reference().
6270         (reswords): Add blank line before @@ifobjc section, for clarity.
6271
6272 2002-09-01  Fariborz Jahanian <fjahanian@apple.com>
6273
6274         * config/rs6000/darwin.h (ROUND_TYPE_ALIGN): Restrict alignment
6275         to Altivec vetors.
6276
6277 2004-09-01  Wu Yongwei  <adah@sh163.net>
6278             Danny Smith  <dannysmith@users.sourceforge.net>
6279
6280         * gthr-win32.h (__gthread_recursive_mutex_t): Use 'unsigned long',
6281         not Windows 'DWORD'.
6282         (__GTHREAD_RECURSIVE_MUTEX_INIT_FUNCTION): Correct typo.
6283         (__GTHREAD_RECURSIVE_MUTEX_INIT_DEFAULT): Likewise.
6284         (__gthr_win32_recursive_mutex_init_function): Add prototype for
6285         __GTHREAD_HIDE_WIN32API case..
6286         (__gthr_win32_recursive_mutex_lock): Likewise.
6287         (__gthr_win32_recursive_mutex_trylock): Likewise.
6288         (__gthr_win32_recursive_mutex_unlock): Likewise.
6289         (__gthread_recursive_mutex_init_function); Add definition for
6290         __GTHREAD_HIDE_WIN32API case.
6291         (__gthread_recursive_mutex_lock): Correct call to InterlockedDecrement.
6292         * config/i386/grthr-win32.c (__gthread_recursive_mutex_lock): Correct
6293         call to InterlockedDecrement.
6294
6295 2004-09-01  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
6296
6297         * tree-tailcall.c (find_tail_calls): Also fail is statement has
6298         volatile operands.
6299
6300         * tree-ssa.c (propagate_into_addr): Properly test for LHR.
6301
6302         * doc/c-tree.texi: Document new operands for ARRAY_REF and
6303         COMPONENT_REF.
6304
6305 2004-09-01  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
6306
6307         * Makefile.in (rtl-profile.o, value-prof.o): Add GCC_H dependency.
6308         * common.opt (fspeculative-prefetching): New.
6309         * flags.h (flag_speculative_prefetching_set): Declare.
6310         * gcov-io.c (gcov_write_counter, gcov_read_counter): Allow negative
6311         values.
6312         * opts.c (flag_sepculative_prefetching_set): New variable.
6313         (common_handle_option): Handle -fspeculative-prefetching.
6314         * passes.c (rest_of_compilation): Ditto.
6315         * profile.c (instrument_values, compute_value_histograms, branch_prob):
6316         Use vectors instead of arrays.
6317         * toplev.c (process_options): Handle -fspeculative-prefetching.
6318         * rtl-profile.c: Include ggc.h.
6319         (rtl_gen_interval_profiler, rtl_gen_pow2_profiler,
6320         rtl_gen_one_value_profiler_no_edge_manipulation,
6321         rtl_gen_one_value_profiler, rtl_gen_const_delta_profiler): Type of
6322         argument changed.
6323         * tree-profile.c (tree_gen_interval_profiler, tree_gen_pow2_profiler,
6324         tree_gen_one_value_profiler, tree_gen_const_delta_profiler): Type of
6325         argument changed.
6326         * value-prof.c: Include ggc.h.
6327         (NOPREFETCH_RANGE_MIN, NOPREFETCH_RANGE_MAX): New
6328         macros.
6329         (insn_prefetch_values_to_profile, find_mem_reference_1,
6330         find_mem_reference_2, find_mem_reference, gen_speculative_prefetch,
6331         speculative_prefetching_transform): New.
6332         (value_profile_transformations): Call speculative_prefetching_transform.
6333         (insn_values_to_profile): Call insn_prefetch_values_to_profile.
6334         (insn_divmod_values_to_profile, rtl_find_values_to_profile,
6335         tree_find_values_to_profile, find_values to profile): Use vectors
6336         instead of arrays.
6337         (free_profiled_values): Removed.
6338         * value-prof.h (struct histogram_value): Renamed to
6339         struct histogram_value_t.
6340         (histogram_value, histogram_values): New types.
6341         (find_values_to_profile): Declaration changed.
6342         (free_profiled_values): Removed.
6343         (struct profile_hooks): Type of argument of the hooks changed to
6344         histogram_value.
6345         * doc/invoke.texi (-fspeculative-prefetching): Document.
6346
6347 2004-09-01  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
6348
6349         PR rtl-optimization/16408
6350         * gcse.c (replace_store_insn): Fix LIBCALL/RETVAL notes.
6351
6352 2004-09-01  Richard Henderson  <rth@redhat.com>
6353
6354         * config/ns32k/ns32k.h (TRANSFER_FROM_TRAMPOLINE): Remove.
6355         (TRAMPOLINE_TEMPLATE): Merge code from __trampoline inline.
6356
6357 2004-09-01  Jakub Jelinek  <jakub@redhat.com>
6358
6359         * libgcc-std.ver (GCC_3.4.2): Export also __trampoline_setup.
6360
6361 2004-09-01  Mike Stump  <mrs@apple.com>
6362
6363         * config/darwin.c (machopic_symbol_defined_p): In addition to
6364         being SYMBOL_REF_LOCAL_P, a symbol must also be
6365         ! SYMBOL_REF_EXTERNAL_P, as only those are _always_ locally
6366         defined in this output file, or translation unit in the case
6367         of IMA not being used.
6368         (machopic_output_indirection): SYMBOL_REF_LOCAL_P symbols
6369         never need .indirect_symbol when indirecting.
6370
6371 2004-09-01  Jakub Jelinek  <jakub@redhat.com>
6372
6373         * Makefile.in (bb-reorder.o): Add several dependencies.
6374
6375 2004-09-01  Jakub Jelinek  <jakub@redhat.com>
6376
6377         * fold-const.c (operand_equal_p): Require equal sign also for
6378         FIX_{CEIL,TRUNC,FLOOR,ROUND}_EXPR.
6379
6380 2004-09-01  Richard Earnshaw  <rearnsha@arm.com>
6381
6382         * config.gcc (--with-cpu on ARM): Preserve the canonical cpu name
6383         for use in configargs.h.  Put the cname in a separate variable.  Use
6384         that to set target_cpu_default2.
6385
6386 2004-09-01  J"orn Rennecke <joern.rennecke@superh.com>
6387             Nick Clifton  <nickc@redhat.com>
6388
6389         * config/sh/sh.md ("length"): Increase branch length when
6390         SH1 pic code to 18: 12 bytes of instructions, 4 byte for the
6391         constant, 2 byte for aligning the constant.
6392
6393 2004-09-01  Richard Earnshaw  <rearnsha@arm.com>
6394
6395         * arm/arm-cores.def (ARM_CORE): Add new field for the real name of the
6396         CPU.
6397         (arm7tdmi-s): New CPU name.
6398         * arm/arm.c (ARM_CORE): Update for new format.
6399         * arm/arm.h (ARM_CORE): Likewise.
6400         * arm/gentune.sh: Update for extra field.
6401         * config.gcc: Likewise.
6402         * arm/arm-tune.md: Regenerate.
6403         * doc/invoke.texi: Document the real processor names for ARM cpus.
6404
6405 2004-09-01  Richard Earnshaw  <rearnsha@arm.com>
6406
6407         * arm/ieee754-df.S (aeabi_ul2d, aeabi_l2d, floatundidf)
6408         (floatdidf): New functions.
6409         * arm/ieee754-sf.S (aeabi_ul2f, aeabi_l2f, floatundisf)
6410         (floatdisf): New functions.
6411         * t-arm-elf: Use them.
6412
6413 2004-09-01  Ziemowit Laski  <zlaski@apple.com>
6414
6415         * c-common.h (lookup_interface): Remove prototype.
6416         (is_class_name): Rename to objc_is_class_name.
6417         (lookup_objc_ivar): Rename to objc_lookup_ivar.
6418         (get_current_scope): Rename to objc_get_current_scope.
6419         * c-decl.c (get_current_scope): Rename to objc_get_current_scope.
6420         * c-parse.in (parmlist_or_identifiers_1): Get rid of unused variable.
6421         (yylexname): Call objc_is_class_name() instead of is_class_name().
6422         * c-typeck.c (build_external_ref): Call objc_lookup_ivar()
6423         instead of lookup_objc_ivar().
6424         * stub-objc.c (lookup_interface): Remove stub.
6425         (is_class_name): Rename to objc_is_class_name.
6426         (lookup_objc_ivar): Rename to objc_lookup_ivar.
6427
6428 2004-08-31  Mark Mitchell  <mark@codesourcery.com>
6429
6430         * config.gcc (arm*-*-symbianelf*): Do not include t-bpabi.
6431         * config/arm/lib1funcs.asm: Do not include supplemental .S files
6432         when compiling for Symbian.
6433         * config/arm/symbian.h (RENAME_LIBRARY): New macro.
6434         (TARGET_OS_CPP_BUILTINS): Likewise.
6435         * config/arm/t-symbian (LIB1ASMFUNCS): Define.
6436
6437 2004-08-31  Stan Shebs  <shebs@apple.com>
6438
6439         * toplev.c (process_options): Ensure debug_hooks is initialized.
6440
6441 2004-08-31  Mark Mitchell  <mark@codesourcery.com>
6442
6443         * target-def.h (TARGET_CXX): Add TARGET_CXX_EXPORT_CLASS_DATA.
6444         * target.h (cxx): Add export_class_data.
6445         * config/arm/arm.c (arm_cxx_export_class_data): New function.
6446         (TARGET_CXX_EXPORT_CLASS_DATA): Use it.
6447         * doc/tm.texi (TARGET_CXX_EXPORT_CLASS_DATA): Document it.
6448
6449 2004-08-31  Kaz Kojima  <kkojima@gcc.gnu.org>
6450
6451         * config/sh/sh.c (output_branch): Check the insn length possibly
6452         in the delayed slot.
6453
6454 2004-08-31  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
6455
6456         * tree-pretty-print.c (dump_generic_node, case CONVERT_EXPR): Add
6457         blank after ')'.
6458         (op_symbol, case *_{DIV,MOD}_EXPR): Say what rounding is being used.
6459
6460         * c-common.c (c_alignof_expr): Use DECL_ALIGN_UNIT and TYPE_ALIGN_UNIT.
6461         (c_sizeof_of_alignof_type): Likewise.
6462         * expr.c (array_ref_element_size): Likewise.
6463         (highest_pow2_factor_for_target): Likewise.
6464         * gimplify.c (canonicalize_addr_expr): Likewise.
6465         (gimplify_compound_lval): Likewise.
6466         * stor-layout.c (finalize_record_size, finalize_type_size): Likewise.
6467         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Likewise.
6468         * varasm.c (assemble_variable): Likewise.
6469         (output_constant_def_contents): Alignments are unsigned.
6470
6471 2004-08-31  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
6472             Jeff Law  <law@redhat.com>
6473
6474         * tree-cfg.c (cfg_remove_useless_stmts_bb): Also invalidate if VAL
6475         gets modified.
6476
6477 2004-08-31  Mark Mitchell  <mark@codesourcery.com>
6478
6479         * hooks.c (hook_bool_void_true): New function.
6480         * hooks.h (hook_bool_void_true): Declare.
6481         * target-def.h (TARGET_CXX): Add
6482         TARGET_CXX_KEY_METHOD_MAY_BE_INLINE.
6483         * target.h (struct cxx): Add key_method_may_be_inline.
6484         * config/arm/arm.c (arm_cxx_key_method_may_be_inline): New
6485         function.
6486         (TARGET_CXX_KEY_METHOD_MAY_BE_INLINE): New macro.
6487         * config/arm/bpabi.h: Use __THUMB_INTERWORK__ instead of
6488         __THUMB_INTERWORK.
6489
6490 2004-08-31  Denis Chertykov  <denisc@overta.ru>
6491
6492         PR target/15417
6493         * config/avr/avr.c (avr_hard_regno_mode_ok): Enable usage of
6494         frame pointer register only in Pmode while reload in progress.
6495
6496 2004-08-31  Stephane Carrez  <stcarrez@nerim.fr>
6497
6498         PR target/15334
6499         * config/m68hc11/m68hc11.c (m68hc11_override_options): Disable -fweb
6500         because it breaks the 32-bit shift patterns that rely on a match_dup.
6501
6502 2004-08-31  Matt Austern  <austern@apple.com>
6503
6504         * config/darwin.c (darwin_make_decl_one_only): Allocate section
6505         names once per compilation, instead of once per symbol.
6506
6507 2004-08-31  Paolo Bonzini  <bonzini@gnu.org>
6508
6509         * Makefile.in (build_subdir): New substitution.
6510         (fixinc.sh): Simplify heavily since fixincludes is already built.
6511         (stmp-fixinc): Depend on specs.ready.
6512         (install-mkheaders): Use new location of fixincludes.
6513         (clean): Do not descend into fixinc.
6514         (FORBUILD): Replace with ../$(build_subdir).
6515         * configure.ac (build_subdir): Substitute.
6516         (FORBUILD): Do not set.
6517         (all_outputs): Remove fixinc/Makefile.
6518         (default commands): Do not create links in fixinc.
6519         * mkfixinc.sh: New, from fixinc/mkfixinc.sh without
6520         the fixincludes configuration steps and substituting
6521         @FIXINCL@ in fixinc.in.
6522         * fixinc.in: New, from fixinc/fixincl.sh.
6523
6524         * fixinc/*: Removed.
6525
6526 2004-08-31  Joseph S. Myers  <jsm@polyomino.org.uk>
6527
6528         * attribs.c (strip_attrs): Remove.
6529         (split_specs_attrs): Move ...
6530         * c-decl.c: ... to here.
6531         * tree.h (split_specs_attrs, strip_attrs): Remove.
6532         * c-tree.h (split_specs_attrs): Declare.
6533
6534 2004-08-31  Richard Sandiford  <rsandifo@redhat.com>
6535
6536         * read-rtl.c: Disable RTL checking.
6537         (apply_macro_to_rtx): Use XTMPL to access 'T' fields.
6538
6539 2004-08-31  Richard Sandiford  <rsandifo@redhat.com>
6540
6541         * config/mips/mips.md (fcond): New code macro and attribute.
6542         (sunordered_[sd]f, suneq_[sd]f, sunlt_[sd]f, sunle_[sd]f)
6543         (seq_[sd]f, slt_[sd]f, sle_[sd]f): Redefine using :SCALARF and fcond.
6544         (sgt_[sd]f, sge_[sd]f): Redefine using :SCALARF.
6545
6546 2004-08-30  Mark Mitchell  <mark@codesourcery.com>
6547
6548         Revert:
6549         2004-08-29  Mark Mitchell  <mark@codesourcery.com>
6550         PR rtl-optimization/16590
6551         * gcse.c (pre_delete): Do not create invalid REG_EQUAL notes.
6552
6553 2004-08-30  Andrew Pinski  <apinski@apple.com>
6554
6555         * hard-reg-set.h:
6556         s/HOST_BITS_PER_WIDES_FAST_INT/HOST_BITS_PER_WIDEST_FAST_INT.
6557         * ChangeLog: Fix previous ChangeLog entry.
6558
6559         PR rtl-opt/13987
6560         * config.host (use_long_long_for_widest_fast_int): New, default is
6561         off.
6562         (ia64-*-hpux*): Enable use_long_long_for_widest_fast_int.
6563         * configure.ac: If use_long_long_for_widest_fast_int, then
6564         define USE_LONG_LONG_FOR_WIDEST_FAST_INT.
6565         * configure: Regenerate.
6566         * config.in: Regenerate.
6567         * hwint.h (HOST_WIDEST_FAST_INT, HOST_BITS_PER_WIDEST_FAST_INT):
6568         New: widest integer type supported efficiently in hardware for the
6569         host.
6570         * sbitmap.h (SBITMAP_ELT_BITS): Define based on
6571         HOST_BITS_PER_WIDEST_FAST_INT.
6572         (SBITMAP_ELT_TYPE): Define based on HOST_WIDEST_FAST_INT.
6573         * hard-reg-set.h (HARD_REG_ELT_TYPE): Define based on
6574         HOST_WIDEST_FAST_INT
6575         instead of HOST_WIDE_INT.
6576         (HARD_REG_SET_LONGS): Likewise.
6577         (UHOST_BITS_PER_WIDE_INT): Likewise.
6578         Change the checks for the fast cases to be based on
6579         HOST_BITS_PER_WIDEST_FAST_INT instead of HOST_BITS_PER_WIDE_INT.
6580
6581 2004-08-30  Steven Bosscher  <stevenb@suse.de>
6582
6583         * cfgcleanup.c (merge_memattrs): Look at the value of MEM_SIZE,
6584         not the pointers.
6585
6586 2004-08-30  Geoffrey Keating  <geoffk@apple.com>
6587
6588         PR 12738
6589         PR 17205
6590         Radar 3460526
6591         Radar 3775729
6592         * c-decl.c (grokdeclarator): Produce error for 'static' on local
6593         function declaration.
6594
6595 2004-08-30  Richard Henderson  <rth@redhat.com>
6596
6597         * expr.c (array_ref_element_size): Force aligned_size back to
6598         sizetype.
6599         (component_ref_field_offset): Similarly for aligned_offset.
6600         * tree.c (recompute_tree_invarant_for_addr_expr): Mark raw
6601         low-bound, element-size, field-offset fields rather than
6602         computed values.
6603
6604 2004-08-30  Joseph S. Myers  <jsm@polyomino.org.uk>
6605
6606         * c-parse.in (parmlist_or_identifiers_1): Remove unreachable and
6607         redundant code.
6608
6609 2004-08-30  Joseph S. Myers  <jsm@polyomino.org.uk>
6610
6611         * c-tree.h (struct language_function): Add arg_info element.
6612         * c-decl.c (current_function_arg_info): New.
6613         (grokdeclarator, store_parm_decls): Use it instead of
6614         DECL_ARGUMENTS.
6615         (c_push_function_context, c_pop_function_context): Save and
6616         restore it.
6617
6618 2004-08-30  Richard Henderson  <rth@redhat.com>
6619
6620         * c-typeck.c (build_unary_op): Don't expand ADDR_EXPR of a
6621         COMPONENT_REF to pointer arithmetic.
6622         * varasm.c (initializer_constant_valid_p): Allow "&(*c).f", for
6623         constant "c" as a valid constant initializer.  Allow narrowing of
6624         differences against the same base object, for any base object.
6625
6626 2004-08-30  Richard Henderson  <rth@redhat.com>
6627
6628         * expr.c (expand_expr_addr_expr): New.
6629         (expand_expr_real_1) <case ADDR_EXPR>: Use it.
6630
6631 2004-08-30  Richard Sandiford  <rsandifo@redhat.com>
6632
6633         * config/mips/mips.c (MIPS_FP_CONDITIONS): New macro.
6634         (mips_fp_condition): New enum.
6635         (mips_fp_conditions): New array.
6636         (print_fcc_operand): Delete.
6637         (print_operand): Remove %V, %v and %Q.  Redefine %Z so that it prints
6638         the operand and comma if and only if ISA_HAS_8CC.  Add %Y.
6639         (builtin_description): Add "cond" field.
6640         (DIRECT_BUILTIN): Initialize it.
6641         (CMP_{SCALAR,PS,4S}_BUILTINS, MOVTF_BUILTINS): Split INSN parameter
6642         into INSN and CODE.  Initialize the "cond" field.
6643         (CMP_BUILTINS): Update accordingly.
6644         (mips_bdesc): Use MIPS_FP_CONDITIONS to invoke CMP_BUILTINS.
6645         (mips_expand_builtin_movtf, mips_expand_builtin_compare): Take the
6646         mips_fp_condition as argument.  Make it the final operand of the
6647         comparison instruction.
6648         (mips_expand_builtin): Update accordingly.
6649         * config/mips/mips.md (UNSPEC_C_*, UNSPEC_CABS_*): Delete.
6650         (UNSPEC_C, UNSPEC_CABS): New constants.  Shuffle others to fill
6651         the gaps.
6652         * config/mips/mips-ps-3d.md (mips_cond_move_tf_ps, bc1any[24][ft]):
6653         Don't use the 'Q' operand prefix; just print the operand normally.
6654         (mips_cabs_*, mips_c_*): Delete, replacing with...
6655         (mips_c_cond_{ps,4s}, mips_cabs_cond_{s,d,ps,4s}): ...these new
6656         patterns.  Split the 4s versions into 2 ps patterns after reload.
6657
6658 2004-08-30  Richard Henderson  <rth@redhat.com>
6659
6660         * fold-const.c (tree_expr_nonzero_p): Use get_base_address before
6661         assuming an ADDR_EXPR is non-null.
6662
6663 2004-08-30  Jason Merrill  <jason@redhat.com>
6664
6665         * gthr-posix.h, gthr-dce.h: Add #pragma weaks.
6666
6667 2004-08-30  Nathan Sidwell  <nathan@codesourcery.com>
6668
6669         * alias.c (mems_in_disjoint_alias_sets_p, record_alias_subset,
6670         record_set, rtx_equal_for_memref_p, init_alias_analysis): Use
6671         gcc_assert and gcc_unreachable instead of abort.
6672         * alloc-pool.c (abort, fancy_abort): Remove.
6673         (create_alloc_pool, free_alloc_pool, pool_alloc, pool_free): Use
6674         gcc_assert or gcc_unreachable.
6675         * attribs.c (init_attributes, decl_attributes): Likewise.
6676         * bb-reorder.c (FREE, find_traces_1_round, copy_bb,
6677         mark_bb_for_unlikely_executed_section,
6678         add_labels_and_missing_jumps, fix_crossing_conditional_branches,
6679         fix_crossing_unconditional_branches):  Likewise.
6680         * bitmap.c (bitmap_first_set_bit, bitmap_last_set_bit,
6681         bitmap_operation):  Likewise.
6682         * bt-load.c (insn_sets_btr_p, augment_live_range,
6683         move_btr_def):  Likewise.
6684         * builtins.c (c_readstr, expand_builtin_longjmp, apply_args_size,
6685         apply_result_size, expand_builtin_apply, expand_builtin_mathfn,
6686         expand_builtin_mathfn_2, expand_builtin_mathfn_3,
6687         builtin_memcpy_read_str, expand_movstr, expand_builtin_stpcpy,
6688         expand_builtin_memcmp, expand_builtin_args_info,
6689         std_gimplify_va_arg_expr, expand_builtin_unop,
6690         expand_builtin_fputs, expand_builtin_profile_func,
6691         expand_builtin_fork_or_exec, fold_builtin_bitop,
6692         fold_builtin_classify, fold_builtin_fputs): Likewise.
6693
6694 2004-08-30  Nathan Sidwell  <nathan@codesourcery.com>
6695
6696         * gcov-io.c (GCOV_CHECK): Use gcc_assert when available.
6697         * gcov.c (abort): Remove undef.
6698
6699         * tree.h (BINFO_PRIMARY_BASE_OF): Remove.
6700         (struct tree_binfo): Remove primary field.
6701
6702 2004-08-30  Paolo Bonzini  <bonzini@gnu.org>
6703
6704         * fixinc/Makefile.in (machname.h): Remove.
6705         (fixincl.x): Do not pass $@ to genfixes.
6706         * fixinc/genfixes: Remove code to produce machname.h.
6707         * fixinc/fixincl.sh: Move it here instead.
6708         * fixinc/fixlib.c: Do not conditionalize on MN_NAME_PAT's presence,
6709         instead check if pz_mn_name_pat is NULL.  Make mn_get_regexps
6710         return a bool indicating whether pz_mn_name_pat is NULL.
6711         * fixinc/fixlib.h: Do not conditionalize on MN_NAME_PAT's presence.
6712         Declare extern C variables for the ENV_TABLE.
6713         * fixinc/fixfixes.c: Do not conditionalize on MN_NAME_PAT's presence,
6714         instead use the result of mn_get_regexps.
6715         * fixinc/fixtests.c: Likewise.
6716
6717 2004-08-30  Paolo Bonzini  <bonzini@gnu.org>
6718
6719         * configure.ac: Do not run fixincludes after stage1 during
6720         toplevel bootstrap.
6721         * configure: Regenerate.
6722
6723 2004-08-30  Richard Earnshaw  <rearnsha@arm.com>
6724
6725         * sched-deps.c (get_condition): Partially revert previous, by never
6726         trying to extract the condition from a condjump.
6727
6728 2004-08-30  Nathan Sidwell  <nathan@codesourcery.com>
6729
6730         * c-common.c (c_sizeof_or_alignof_type): Use gcc_assert.
6731         (handle_visibility_attribute, c_determine_visibility): Likewise.
6732         * c-common.h (my_friendly_assert): Remove.
6733
6734 2004-08-30  Richard Sandiford  <rsandifo@redhat.com>
6735
6736         * config/mips/mips.md (UNSPEC_{RSQRT,RECIP}[12]_{S,D,PS}): Delete.
6737         (UNSPEC_{RSQRT,RECIP}[12]): New constants.
6738         (UNSPEC_MOVE_TF_PS): Renumber to avoid gaps.
6739         * config/mips/mips-ps-3d.md (*movcc_v2sf_[sd]i): Use :GPR.
6740         (mips_{rsqrt,recip}[12]_{s,d,ps}): Use :ANYF.
6741
6742 2004-08-30  Diego Novillo  <dnovillo@redhat.com>
6743
6744         * tree-pretty-print.c (dump_generic_node): Handle VALUE_HANDLE
6745         in COMPONENT_REF nodes.
6746
6747 2004-08-29  Gabriel Dos Reis  <gdr@integrable-solutions.net>
6748
6749         PR c++/15378
6750         * c-opts.c (c_common_handle_option): <case OPT_Werror> set
6751         global_dc->warning_as_error_requested.
6752         * diagnostic.c (diagnostic_initialize): Tidy.
6753         * diagnostic.h (diagnostic_context::x_data): Remove
6754         (diagnostic_context::issue_warnings_are_errors_message): Rename
6755         from warnings_are_errors_message.
6756         (diagnostic_context::warning_as_error_requested): New.
6757
6758 2004-08-30  Richard Earnshaw  <rearnsha@arm.com>
6759
6760         * sched-deps.c (get_condition): Fix breakage in previous patch.
6761
6762 2004-08-30  Paul Brook  <paul@codesourcery.com>
6763
6764         * doc/install.texi: Fix broken mpfr link.
6765
6766 2004-08-29  David O'Brien  <obrien@FreeBSD.org>
6767
6768         * config/rs6000/sysv4.h (LINK_OS_FREEBSD_SPEC): Sync '-p' handling with
6769         other FreeBSD platforms.
6770
6771 2004-08-29  Richard Earnshaw  <rearnsha@arm.com>
6772
6773         * arm.h (REVERSE_CONDITION): Define.
6774         (REVERSIBLE_CC_MODE): All comparisons are now reversible.
6775
6776 2004-08-29  Richard Earnshaw  <rearnsha@arm.com>
6777
6778         * flow.c (REVERSE_CONDEXEC_PREDICATES_P): Use the whole comparison, not
6779         just the codes, call reversed_comparison_code ().
6780         (ior_reg_cond): Update arguments to REVERSE_CONDEXEC_PREDICATES_P.
6781         (not_reg_cond): Use reversed_comparison_code.
6782         (and_reg_cond): Likewise.
6783         * ifcvt.c (cond_exec_process_if_block): Likewise.
6784         * doc/tm.texi (REVERSE_CONDEXEC_PREDICATES_P): Update documentation.
6785
6786 2004-08-29  Richard Earnshaw  <rearnsha@arm.com>
6787
6788         * sched-deps.c (get_condition): Rewrite using jump support functions.
6789         Use reversed_comparison_code.
6790         (conditions_mutex_p): Use reversed_comparison_code.
6791
6792 2004-08-29  Richard Sandiford  <rsandifo@redhat.com>
6793
6794         * config/mips/mips.c (override_options): Disable hot/cold partitioning
6795         for MIPS16.
6796
6797 2004-08-29  Richard Sandiford  <rsandifo@redhat.com>
6798
6799         * config/mips/mips.h (mips_builtins, mips_cmp_choice): Delete.
6800         (mips_function_type): Move to mips.c.
6801         * config/mips/mips.c (mips_builtin_type): New enum.
6802         (builtin_description): Replace code and ftype with builtin_type
6803         and function_type.
6804         (DIRECT_BUILTIN, CMP_SCALAR_BUILTINS, CMP_PS_BUILTINS, CMP_4S_BUILTINS)
6805         (MOVTF_BUILTINS, CMP_BUILTINS): New macros.
6806         (CODE_FOR_mips_abs_ps): Define.
6807         (mips_bdesc): Use new macros.
6808         (mips_expand_builtin): Use builtin_type.  Update calls to subroutines.
6809         (mips_init_builtins): Use the mips_bdesc[] index as the function code.
6810         (mips_expand_builtin_direct): New function.
6811         (mips_expand_builtin_movtf): Renamed from mips_expand_ps_cond_move_
6812         builtin.  Replace boolean parameter with builtin_type.
6813         (mips_expand_compare_builtin, mips_expand_scalar_compare_builtin)
6814         (mips_expand_4s_compare_builtin): Delete, replacing with...
6815         (mips_expand_builtin_compare): ...this new function.
6816
6817 2004-08-29  Mark Mitchell  <mark@codesourcery.com>
6818
6819         PR rtl-optimization/16590
6820         * gcse.c (pre_delete): Do not create invalid REG_EQUAL notes.
6821
6822 2004-08-29  Diego Novillo  <dnovillo@redhat.com>
6823
6824         * tree-ssa-ccp.c (ccp_visit_stmt): Remove #if 0 guards.
6825         * tree-ssa-propagate.c: Fix documentation.
6826
6827 2004-08-29  Richard Sandiford  <rsandifo@redhat.com>
6828
6829         * config/mips/mips.md (*mov[sd]f_on_*): Redefine using :SCALARF.
6830         (mov[sd]fcc): Likewise.
6831
6832 2004-08-29  Richard Sandiford  <rsandifo@redhat.com>
6833
6834         * config/mips/mips.md (cmp[sd]f): Redefine using :SCALARF.
6835
6836 2004-08-29  Richard Sandiford  <rsandifo@redhat.com>
6837
6838         * config/mips/mips.md (divide_condition): New mode attribute.
6839         (div[sd]f3, *div[sd]f3): Use it.  Redefine using :SCALARF.
6840         (sqrt[sd]f3): Redefine using SCALARF.
6841         (*recip[sd]f3, *rsqrt<mode>[ab]): Likewise.  Name formerly unnamed
6842         patterns.
6843
6844 2004-08-29  Richard Sandiford  <rsandifo@redhat.com>
6845
6846         * config/mips/mips.md (ANYF, SCALARF): New mode macros.
6847         (loadx, storex, fmt, UNITMODE): New mode attributes.
6848         (add{sf,df,v2sf}3, sub{sf,df,v2sf}3): Redefine using :ANYF.
6849         (mul[sd]f3): Redefine using :SCALARF.
6850         (*mul[sd]f3): Renamed from mul[sd]f3_internal.  Use :SCALARF.
6851         (*mul[sd]3_r4300): Likewise mul[sd]f3_r4300.
6852         (*m{add,sub}{sf,df,v2sf}3): Name formerly unnamed patterns.  Use :ANYF.
6853         Check TARGET_FUSED_MADD for V2SF too.
6854         (*nm{add,sub}{sf,df,v2sf}3{,_fastmath}): Likewise, except v2sf patterns
6855         were already named.
6856         (abs{sf,df,v2sf}3, neg{sf,df,v2sf}3): Redefine using :ANYF.
6857         (*[sl][wd]xc1_[sd]i): Redefine using :ANYF.
6858
6859 2004-08-29  Richard Sandiford  <rsandifo@redhat.com>
6860
6861         * config/mips/mips.c (mips_init_builtins): Simplify.  Only create
6862         V2SF_type_node if it will be needed.
6863
6864 2004-08-29  Richard Sandiford  <rsandifo@redhat.com>
6865
6866         * config/mips/mips.h (MIPS_CMP_MOVT, MIPS_CMP_MOVF): Delete.
6867         * config/mips/mips.c (mips_prepare_builtin_arg): New function.
6868         (mips_prepare_builtin_target): New function.
6869         (mips_expand_builtin): Use them.  Update calls to subroutines.
6870         (mips_expand_ps_cond_move_builtin): Use the new functions.  Replace
6871         cmp_choice with a boolean argument to select between movt and movf.
6872         Take the comparison's icode as an argument, not the function's fcode.
6873         (mips_expand_compare_builtin): New function.  Rename existing function
6874         to mips_expand_scalar_compare_builtin.
6875         (mips_expand_scalar_compare_builtin, mips_expand_4s_compare_builtin)
6876         (mips_expand_ps_compare_builtin): Use the new functions.  Take the
6877         comparison's icode as an argument, not the builtin's fcode.
6878
6879 2004-08-29  Richard Sandiford  <rsandifo@redhat.com>
6880
6881         * config/mips/mips.c (print_operand): Remove '%Y' and '%y'.
6882         (mips_expand_4s_compare_builtin): Redefine CCV4 to be 0 if all
6883         registers are false and -1 if all registers are true.
6884         (mips_expand_ps_compare_builtin): Likewise CCV2.  Use subregs for
6885         MIPS_CMP_UPPER and MIPS_CMP_LOWER.
6886         * config/mips/mips.md (mips_cond_move_tf_ps): Use %Q rather than %y.
6887         (bc1any4t, bc1any4f): Adjust for new CCV4 interpretation.
6888         (bc1any2t, bc1any2f): Likewise CCV2.
6889         (bc1upper2t, bc1lower2t, bc1upper2f, bc1lower2f): Delete.
6890
6891 2004-08-29  Richard Sandiford  <rsandifo@redhat.com>
6892
6893         * config/mips/mips.md (UNSPEC_MOVE_TF_PS): New.
6894         * config/mips/mips-ps-3d.md (mips_cond_move_tf_ps): Express as an
6895         UNSPEC rather than an IF_THEN_ELSE.
6896         * config/mips/mips.c (mips_expand_ps_cond_move_builtin): Emit
6897         mips_cond_move_tf_ps by name.
6898
6899 2004-08-29  Chao-ying Fu  <fu@mips.com>
6900             James E Wilson  <wilson@specifixinc.com>
6901
6902         * config/mips/mips-modes.def (V2SF, CCV2, CCV4): New modes. Give CCV2
6903         8 byte size and alignment.  Give CCV4 16 byte size and alignment.
6904         * config/mips/mips-ps-3d.md: New file.
6905         * config/mips/mips.c (TARGET_VECTOR_MODE_SUPPORTED_P,
6906         TARGET_INIT_BUILTINS, TARGET_EXPAND_BUILTIN): Define.
6907         (mips_const_insns): Handle CONST_VECTOR the same as CONST_DOUBLE.
6908         (mips_output_move): Emit "mov.ps" for V2SFmode.
6909         (mips_arg_info): Add checks for VECTOR_FLOAT_TYPE_P and
6910         MODE_VECTOR_FLOAT.
6911         (override_options): Check if TARGET_MIPS3D and there was an explicit
6912         !TARGET_PAIRED_SINGLE_FLOAT.  Set MASK_PAIRED_SINGLE, if TARGET_MIPS3D.
6913         Check if TARGET_FLOAT64 and TARGET_HARD_FLOAT are both true, when
6914         TARGET_PAIRED_SINGLE_FLOAT is true.  Check if the ISA supports
6915         TARGET_PAIRED_SINGLE_FLOAT.  Allow MODE_VECTOR_FLOAT in fp registers,
6916         and allow CCV2 and CCV4 to occupy two and four CC registers.
6917         (print_fcc_operand): New function.
6918         (print_operand): Add %Y, %y, %V, %v, %Q for CCV2, CCV4, CC.  Modify
6919         %Z to call print_fcc_operand.
6920         (mips_function_value): Handle MODE_VECTOR_FLOAT.
6921         (mips_class_max_nregs): Check for ST_REGS, and handle CCmodes.
6922         (mips_vector_mode_supported_p): New function.
6923         (mips_hard_regno_nregs): Check for ST_REG_P, and handle CCmodes.
6924         (builtin_description): New struct.
6925         (mips_bdesc): New array of struct builtin_description.
6926         (mips_expand_builtin, mips_init_builtins,
6927         mips_expand_ps_cond_move_builtin, mips_expand_4s_compare_builtin,
6928         mips_expand_compare_builtin, mips_expand_ps_compare_builtin): New
6929         functions.
6930         * config/mips/mips.h (MASK_PAIRED_SINGLE, MASK_MIPS3D): New defines.
6931         (TARGET_PAIRED_SINGLE_FLOAT, TARGET_MIPS3D): New defines.
6932         (TARGET_CPU_CPP_BUILTINS): Add __mips_paired_single_float.
6933         (TARGET_SWITCHES): Added "-mpaired-single", "-mno-paired-single",
6934         "-mips3d", and "-mno-mips3d".
6935         (ASM_SPEC): Map -mips3d to -mips3d in gas.
6936         (EXTRA_CONSTRAINT_Y): New macro.
6937         (EXTRA_CONSTRAINT_STR): Renamed from EXTRA_CONSTRAINT.  Add new
6938         multi-letter constraint 'Y'.
6939         (CONSTRAINT_LEN): New macro.
6940         (enum mips_builtins): New for MIPS builtin functions.
6941         (enum mips_function_type): New for the types of MIPS builtin functions.
6942         (enum mips_cmp_choice): New for the MIPS comparison builtin functions.
6943         * config/mips/mips.md: New constants for paired single and MIPS-3D
6944         instructions.  Include the new mips-ps-3d.md file.
6945         (addv2sf3, subv2sf3, mulv2sf3, absv2sf2, negv2sf2, movv2sf,
6946         movv2sf_hardfloat_64bit): New named patterns.
6947         (madd.ps, msub.ps, nmaddv2sf, nmaddv2sf_fastmath, nmsubv2sf,
6948         nmsubv2sf_fastmath, ldxc1_v2sf_si, ldxc1_v2sf_di, sdxc1_v2sf_si,
6949         sdxc1_v2sf_di): New unnamed patterns.
6950         * config/mips/predicates.md (const_0_operand, const_1_operand): Add
6951         const_vector support.
6952         (const_0_or_1_operand): New predicate.
6953         * doc/invoke.texi (MIPS Options): Add -mpaired-single and -mips3d.
6954
6955 2004-08-29  Diego Novillo  <dnovillo@redhat.com>
6956
6957         * Makefile.in (OBJS-common): Add tree-ssa-propagate.o
6958         (tree-ssa-propagate.o): New rule.
6959         (GTFILES): Add tree-ssa-propagate.c.
6960         * tree-flow.h (struct stmt_ann_d): Remove field
6961         in_ccp_worklist.
6962         * tree-ssa-propagate.c: New file.
6963         * tree-ssa-propagate.h: New file.
6964         * tree-ssa-ccp.c: Re-write to use the routines from
6965         tree-ssa-propagate.c.
6966
6967 2004-08-28  Andrew Pinski  <apinski@apple.com>
6968
6969         * tree-ssa-loop.c: Remove extra include of basic-block.h.
6970
6971 2004-08-28  Ziemowit Laski  <zlaski@apple.com>
6972
6973         * c-common.h: Update comments about ObjC/ObjC++ entry points.
6974         (objc_is_reserved_word): New prototype.
6975         (get_current_scope, objc_mark_locals_volatile): Move prototypes to
6976         separate section; these are call-backs.
6977         * c-lex.c (c_lex_with_flags): Call objc_is_reserved_word() to detect
6978         ObjC/ObjC++ "@" keywords.
6979         * c-tree.h (get_current_scope, objc_mark_locals_volatile): Remove
6980         prototypes; they already live in c-common.h.
6981         * stub-objc.c: Update copyright notice.
6982         (objc_is_reserved_word): New stub.
6983
6984 2004-08-28  Nathan Sidwell  <nathan@codesourcery.com>
6985
6986         * system.h (gcc_assert): Remove __builtin_expect.  Evaluate EXPR
6987         even when not checking.
6988
6989 2004-08-27  Jason Merrill  <jason@redhat.com>
6990
6991         PR c++/13684
6992         * gimplify.c (gimplify_cleanup_point_expr): Handle CLEANUP_EH_ONLY.
6993         (gimple_push_cleanup): Add eh_only parm.
6994         (gimplify_target_expr): Pass it.
6995         * c.opt (-fno-threadsafe-statics): New option.
6996         * c-opts.c (c_common_handle_option): Handle it.
6997         * c-common.h (flag_threadsafe_statics): Declare it.
6998         * c-common.c (flag_threadsafe_statics): Record it.
6999         * doc/invoke.texi: Document it.
7000         * tsystem.h (_GNU_SOURCE): Define.
7001         * gthr-posix.h (__gthread_recursive_mutex_t): New typedef.
7002         (__GTHREAD_RECURSIVE_MUTEX_INIT): New macro.
7003         (__GTHREAD_RECURSIVE_MUTEX_INIT_FUNCTION): New macro.
7004         (__gthread_recursive_mutex_init_function): New fn.
7005         (__gthread_recursive_mutex_lock): New fn.
7006         (__gthread_recursive_mutex_trylock): New fn.
7007         (__gthread_recursive_mutex_unlock): New fn.
7008         * gthr-solaris.h, gthr-single.h, gthr-dce.h: Likewise.
7009         * gthr-win32.h, gthr-vxworks.h: Likewise.
7010         * gthr.h: Document.
7011
7012 2004-08-27  David Edelsohn  <edelsohn@gnu.org>
7013
7014         * config/rs6000/rs6000.c (rs6000_override_options): Increase
7015         maximum skip to 15.  Set function alignment, jump alignment, and
7016         loop alignment to 16 for processors that form dispatch groups.
7017         (rs6000_rtx_costs): outer_code is used.
7018
7019 2004-08-27  Nathan Sidwell  <nathan@codesourcery.com>
7020
7021         * stor-layout.c (sizetype_set): Remove.
7022         (set_sizetype): Don't test or set it.
7023
7024         * tree.h (size_int_type): Remove.
7025         * fold-const.c: Do not #include gt-fold-const.h.
7026         (size_htab_hash, size_htab_eq): Remove.
7027         (size_int_kind): Use build_int_cst.
7028         (new_const, size_htab): Remove.
7029         (size_int_type): Remove.
7030         (round_up): Use build_int_cst.
7031         (round_down): Likewise. Remove spurious constant build.
7032
7033 2004-08-27  Nathan Sidwell  <nathan@codesourcery.com>
7034
7035         * configure.ac: Add ENABLE_ASSERT_CHECKING control.
7036         Add is_release variable, use it for --enable-werror and
7037         --enable-checking defaults.
7038         * system.h (gcc_assert, gcc_unreachable): New.
7039         * doc/install.texi (--enable-checking): Update.
7040         * configure, config.in: Rebuilt.
7041
7042 2004-08-26  Richard Sandiford  <rsandifo@redhat.com>
7043
7044         * rtl.h (read_rtx): Change prototype.
7045         * read-rtl.c (read_rtx): Provide the caller with both an rtx and a
7046         line number.  Return true on success.
7047         * gensupport.c (process_include, init_md_reader_args_cb): Adjust
7048         callers accordingly.
7049
7050 2004-08-26  Richard Henderson  <rth@redhat.com>
7051
7052         * c-typeck.c (build_offsetof): Remove.
7053         * c-tree.h (build_offsetof): Remove.
7054         * c-common.c (fold_offsetof_1, fold_offsetof): New.
7055         * c-common.h (fold_offsetof): Declare.
7056         * c-parse.in (offsetof_base): New.
7057         (offsetof_member_designator): Use it.  Build references, not just
7058         a tree list.
7059         (primary): Use fold_offsetof, not build_offsetof.
7060
7061 2004-08-26  Richard Henderson  <rth@redhat.com>
7062
7063         * tree.c (staticp): Return the static object.
7064         * tree.h (staticp): Update decl.
7065         * langhooks.h (struct lang_hooks): Change staticp return type to tree.
7066         * langhooks.c (lhd_staticp): Return NULL_TREE.
7067         * langhooks-def.h (lhd_staticp): Update decl.
7068         * c-common.c (c_staticp): Return the static object.
7069         * c-common.h (c_staticp): Update decl.
7070
7071 2004-08-26  Richard Henderson  <rth@redhat.com>
7072
7073         * config/alpha/alpha.h (HARD_REGNO_MODE_OK): Allow complex float
7074         modes.
7075
7076 2004-08-26  Joseph S. Myers  <jsm@polyomino.org.uk>
7077
7078         PR c/13801
7079         * c-decl.c (struct c_binding): Add type and inner_comp fields.
7080         (bind): Set type and inner_comp fields.
7081         (pop_scope): Restore type of decl to the correct type from an
7082         outer scope.  Give error when popping file scope for incomplete
7083         arrays completed incompatibly with default initialization in an
7084         inner scope.
7085         (diagnose_mismatched_decls): Handle externs with initializers at
7086         block scope.
7087         (pushdecl): Set type of external declaration at block scope based
7088         only on the visible declarations.  Save type when changing the
7089         type of a declaration.  Merge an external declaration at block
7090         scope with a visible static declaration at file scope.
7091         (implicitly_declare): Give recycled old declaration the new type
7092         except for incompatible declarations of built-in functions, saving
7093         the old type.
7094
7095 2004-08-26  Ziemowit Laski  <zlaski@apple.com>
7096
7097         * c-parse.in (OBJC_TYPE_QUAL): New %token for ObjC use.
7098
7099 2004-08-26  Daniel Berlin  <dberlin@dberlin.org>
7100
7101         * tree-alias-common.c (gate_pta): New function.
7102         (pass_build_pta): Use it.
7103         (pass_del_pta): Use it.
7104         (delete_alias_vars): Don't check flag_tree_points_to.
7105
7106 2004-08-26  Fariborz Jahanian  <fjahanian@apple.com>
7107
7108         * config/rs6000/rs6000.h (HARD_REGNO_CALL_PART_CLOBBERED): Added
7109         TFmode as additional register mode cloberred by call.
7110
7111 2004-08-26  Fariborz Jahanian  <fjahanian@apple.com>
7112
7113         * config/rs6000/rs6000.c (rs6000_libcall_value): Generate
7114         parallel pattern for library call returning DImode in
7115         mixed mode.
7116
7117 2004-08-26  Fariborz Jahanian  <fjahanian@apple.com>
7118
7119         * config/rs6000/rs6000.c (function_arg): Generate parallel
7120         pattern for more split args.
7121
7122 2004-08-26  Fariborz Jahanian  <fjahanian@apple.com>
7123
7124         * config/rs6000/rs6000.c (rs6000_split_multireg_move): Call
7125         either gen_movdi_di_update or gen_movdi_si_update depending on
7126         target mode.
7127         * config/rs6000/rs6000.md (movdi_update): Changed to movdi_<mode>_update,
7128         to generate two versions.
7129
7130 2004-08-26  Daniel Berlin  <dberlin@dberlin.org>
7131
7132         * Makefile.in (lambda-code.o): New.
7133         (lambda-trans.o): Ditto.
7134         (TREE_DATA_REF_H): Ditto.
7135         (LAMBDA_H): Ditto.
7136         (lambda-mat.o): Use LAMBDA_H.
7137         (tree-data-ref.o): Ditto.
7138         * lambda-code.c: New file.  Lambda code generation algorithm.
7139         * lambda-trans.c: Ditto. Lambda transformation matrix support.
7140         * lambda.h: Add lambda loop structures.
7141         Add lambda loopnest structures.
7142         Add lambda body vector structure.
7143         Add lambda linear expression structures.
7144         Add prototypes for functions in new files.
7145         * lambda-mat.c: Include tree.h
7146
7147 2004-08-26  Daniel Berlin <dberlin@dberlin.org>
7148             Sebastian Pop  <pop@cri.ensmp.fr>
7149
7150         * tree-data-ref.h: Include lambda.h
7151         (free_dependence_relation): Declared here.
7152         (free_dependence_relations): Ditto.
7153         (free_data_refs): Ditto.
7154         * tree-data-ref.c (free_dependence_relation): New function.
7155         (free_dependence_relations): Ditto.
7156         (free_data_refs): Ditot.
7157         (analyze_all_data_dependences): Free datarefs and dependence_relations.
7158         (build_classic_dist_vector): Store in the dependence_relations the
7159         information. Each arc in the dependence_relations graph is labelled
7160         with the distance and direction vectors.
7161         (build_classic_dir_vector): Ditto.
7162         (compute_rw_wr_ww_dependences): Renamed again compute_all_dependences.
7163         Now computes again the whole dependence graph including read-read
7164         relations.
7165         (compute_data_dependences_for_loop): Now dependence_relations contains
7166         all the data, and thus it doesn't need to initialize the classic_dir
7167         and classic_dist vectors.
7168         (analyze_all_data_dependences): Adjusted for using the new interface of
7169         compute_data_dependences_for_loop.  Remove the statistics dump.
7170
7171 2004-08-26  Bob Wilson  <bob.wilson@acm.org>
7172
7173         * config/xtensa/xtensa.c (xtensa_ld_opcodes, xtensa_st_opcodes): Delete.
7174         (xtensa_expand_block_move): Update comment.
7175         (override_options): Remove initialization of xtensa_{ld,st}_opcodes.
7176
7177 2004-08026  Richard Earnshaw  <rearnsha@arm.com>
7178
7179         PR target/13506
7180         * toplev.c (crash_signal): If we crashed while emitting
7181         a user asm, then die more gracefully.
7182
7183 2004-08-26  Kazuhiro Inaoka  <inaoka.kazuhiro@renesas.com>
7184
7185         PR target/17119.
7186         * config/m32r.c (gen_compare): Use reg_or_int16_operand when
7187         checking for a valid constant, regardless of sign.
7188
7189 2004-08-25  Richard Henderson  <rth@redhat.com>
7190
7191         PR target/16974
7192         * config/alpha/alpha.md (adddi_fp_hack): Don't rely on splitting
7193         if the constant satisfies add_operand.
7194
7195 2004-08-25  Richard Henderson  <rth@redhat.com>
7196
7197         PR debug/10695
7198         * config/alpha/alpha.c (emit_frame_store_1, emit_frame_store): New.
7199         (alpha_expand_prologue): Handle >32-bit frames.  Generate proper
7200         unwind info for >16-bit frames.
7201
7202 2004-08-25  Richard B. Kreckel  <richard.kreckel@framatome-anp.com>
7203
7204         PR target/17171
7205         * config/i386/gas.h (ASM_COMMENT_START): Define to "#".
7206
7207 2004-08-25  Richard Henderson  <rth@redhat.com>
7208
7209         * config/alpha/alpha.c (alpha_cannot_force_const_mem): New.
7210         (TARGET_CANNOT_FORCE_CONST_MEM): New.
7211
7212 2004-08-25  Andrew MacLeod  <amacleod@redhat.com>
7213
7214         * doc/tree-ssa.texi: Document new operand iterator.
7215
7216 2004-08-26  Alan Modra  <amodra@bigpond.net.au>
7217
7218         PR target/16480
7219         * config/rs6000/rs6000.c (rs6000_split_multireg_move): Don't abort
7220         on "(mem (symbol_ref ..))" rtl.  Look at LO_SUM base regs as well
7221         as PLUS base regs.
7222
7223 2005-08-28  Paul Brook  <paul@codesourcery.com>
7224
7225         * config/arm/symbian.h (SUBTARGET_ASM_FLOAT_SPEC): Default to
7226         -mfpu=vfp -march=armv5t
7227         * config/arm/t-symbian: Change multilib to mfloat-abi=softfp.
7228
7229 2004-08-25  Richard Henderson  <rth@redhat.com>
7230
7231         * target-def.h (TARGET_SCALAR_MODE_SUPPORTED_P): New.
7232         * target.h (struct gcc_target): Add scalar_mode_supported_p.
7233         * targhooks.c (default_scalar_mode_supported_p): New.
7234         * targhooks.h (default_scalar_mode_supported_p): Declare.
7235         * doc/tm.texi (TARGET_SCALAR_MODE_SUPPORTED_P): Document.
7236
7237         * c-common.c (handle_mode_attribute): Query scalar_mode_supported_p
7238         before attempting to create types.  Tidy.
7239         * expr.c (vector_mode_valid_p): Use scalar_mode_supported_p.
7240
7241         * config/alpha/alpha.c (alpha_scalar_mode_supported_p): New.
7242         (TARGET_SCALAR_MODE_SUPPORTED_P): New.
7243
7244 2004-08-25  Richard Henderson  <rth@redhat.com>
7245
7246         * config/i386/freebsd.h (SUBTARGET_OVERRIDE_OPTIONS): Don't
7247         set REAL_MODE_FORMAT for TFmode.
7248
7249 2004-08-25  Ziemowit Laski  <zlaski@apple.com>
7250
7251         * c-decl.c (grokparm): New function.
7252         * c-tree.h (grokparm): New prototype.
7253
7254 2004-08-25  Andrew MacLeod  <amacleod@redhat.com>
7255
7256         * tree-ssa-operands.h (struct ssa_operand_iterator_d): New.  SSA operand
7257         iterator controlling structure.
7258         (SSA_OP_USE, SSA_OP_DEF, SSA_OP_VUSE, SSA_OP_VMAYUSE, SSA_OP_VMAYDEF,
7259         SSA_OP_VMUSTDEF, SSA_OP_VIRTUAL_USES, SSA_OP_VIRTUAL_DEFS,
7260         SSA_OP_ALL_USES, SSA_OP_ALL_DEFS, SSA_OP_ALL_OPERANDS): New.  Operand
7261         iterator flags.
7262         (FOR_EACH_SSA_TREE_OPERAND): New.  Iterate over operands as trees.
7263         (FOR_EACH_SSA_USE_OPERAND): New.  Iterate over operands as uses.
7264         (FOR_EACH_SSA_DEF_OPERAND): New.  Iterate over operands as defs.
7265         (FOR_EACH_SSA_MAYDEF_OPERAND): New.  Iterate over V_MAY_DEFs.
7266         * tree-ssa-operands.c (NULL_DEF_OPERAND_P, NULL_USE_OPERAND_P): New.
7267         Empty operand pointers.
7268         * tree-flow-inline.h (op_iter_done): New.  Return true if finished.
7269         (op_iter_next_use): New.  Return next use_operand_p.
7270         (op_iter_next_def): New.  Return next def_operand_p.
7271         (op_iter_next_tree): New.  Return next operands as a tree.
7272         (op_iter_init): New.  Initialize an iterator structure.
7273         (op_iter_init_use): New.  Initialize structure and get the first use.
7274         (op_iter_init_def): New.  Initialize structure and get the first def.
7275         (op_iter_init_tree): New.  Initialize structure and get the first tree.
7276         (op_iter_next_maydef): New.  Return next V_MAY_DEF operands.
7277         (op_iter_init_maydef): New.  Initialize structure and get the first
7278         V_MAY_DEF operands.
7279         * tree-cfg.c (tree_duplicate_bb): Use new operand iterator.
7280         * tree-dfa.c (compute_immediate_uses_for_stmt,
7281         redirect_immediate_uses): Use new operand iterator.
7282         (v_may_defs_disappeared_p, v_must_defs_disappeared_p): Delete.
7283         (mark_new_vars_to_rename): Use new operand iterator.  Count virtual
7284         operands instead of using *_disappeared_p routines.
7285         * tree-into-ssa.c (mark_def_sites, ssa_mark_def_sites, rewrite_stmt,
7286         ssa_rewrite_stmt): Use new operand iterator.
7287         * tree-outof-ssa.c (check_replaceable, find_replaceable_in_bb,
7288         rewrite_trees): Use new operand iterator.
7289         * tree-pretty-print.c (dump_vops): Use new operand iterator.
7290         * tree-sra.c (mark_all_v_defs): Use new operand iterator.
7291         * tree-ssa-alias.c (compute_points_to_and_addr_escape,
7292         dump_points_to_info): Use new operand iterator.
7293         * tree-ssa-ccp.c (cp_lattice_meet, visit_stmt, initialize,
7294         replace_uses_in, replace_vuse_in, likely_value, set_rhs): Use new
7295         operand iterator.
7296         * tree-ssa-dce.c (mark_stmt_if_obviously_necessary,
7297         propagate_necessity): Use new operand iterator.
7298         * tree-ssa-dom.c (cprop_into_stmt, optimize_stmt): Use operand iterator.
7299         (register_definitions_for_stmt): Use new operand iterator.  Take stmt as
7300         a parameter instead of a stmt_ann_t.
7301         * tree-ssa-live.c (create_ssa_var_map, calculate_live_on_entry,
7302         build_tree_conflict_graph): Use new operand iterator.
7303         * tree-ssa-loop-im.c (determine_max_movement, single_reachable_address,
7304         rewrite_mem_refs): Use new operand iterator.
7305         * tree-ssa-loop-manip.c (find_uses_to_rename_stmt,
7306         check_loop_closed_ssa_use): Use new operand iterator.
7307         * tree-ssa.c (verify_ssa, replace_immediate_uses): Use operand iterator.
7308         * tree-ssanames.c (release_defs): Use new operand iterator.
7309         * tree-vectorizer.c (vect_create_data_ref): Use new operand iterator.
7310
7311 2004-08-25  Adam Nemet  <anemet@lnxw.com>
7312
7313         * tlink.c (initial_cwd): New variable.
7314         (tlink_init): Initialize it.
7315         (recompile_files): Use tlink_execute() instead of system().  Don't
7316         duplicate verbose output of collect_execute.  Restore initial_cwd.
7317         Update comment before the function.
7318
7319 2004-08-25  Ziemowit Laski  <zlaski@apple.com>
7320
7321         * c-typeck.c (build_c_cast): In ObjC, always preserve (and silently
7322         accept) a cast from one Objective-C pointer type to another.
7323
7324 2004-08-25  Paolo Carlini  <pcarlini@suse.de>
7325
7326         * doc/install.texi: Document that libstdc++-v3 requires
7327         now automake 1.9.1.
7328
7329 2004-08-25  Caroline Tice  <ctice@apple.com>
7330
7331         * bb-reorder.c (partition_hot_cold_basic_blocks):  Add more details
7332         to comments at start of function.
7333         * cfgbuild.c (make_edges):  Add more details to hot/cold partitioning
7334         comment.
7335         * cfgcleanup.c (try_simplify_condjump, try_forward_edges,
7336         merge_blocks_move_predecessor_nojumps,
7337         merge_blocks_move_successor_nojumps, merge_blocks_move,
7338         try_crossjump_to_edge, try_crossjump_bb): Likewise.
7339         * cfglayout.c (fixup_reorder_chain): Likewise.
7340         * cfgrtl.c (rtl_can_merge_blocks, try_redirect_by_replacing_jump,
7341         cfg_layout_can_merge_blocks_p):  Likewise.
7342         * ifcvt.c (find_if_case_1, find_if_case_2): Likewise.
7343         * passes.c (rest_of_compilation): Update comments for calling
7344         optimization that partitions hot/cold basic blocks.
7345         * doc/invoke.texi:  Update documentation of
7346         freorder-blocks-and-partition flag.
7347
7348 2004-08-25  Richard Sandiford  <rsandifo@redhat.com>
7349
7350         * config/mips/mips.md (reg): Renamed mode attribute from ccreg.
7351         (*mov*_on_*): Adjust accordingly.  Add an explicit MOVECC: prefix.
7352
7353 2004-08-25  Richard Sandiford  <rsandifo@redhat.com>
7354
7355         * config/mips/mips.md (any_shift): New code macro.
7356         (optab, insn): New code attributes.
7357         ({ashl,ashr,lshr}[sd]i3): Redefine using :GPR and any_shift.
7358         Use the standard rather than internal patterns for the MIPS16
7359         double-shift optimization.
7360         (*{ashl,ashr,lshr}[sd]i3): New names for the non-mips16 shift patterns.
7361         Redefine using :GPR and any_shift.
7362         (*{ashl,ashr,lshr}si3_extend): Generalize ashlsi3_internal1_extend
7363         to cover all three shifts.
7364         (*{ashl,ashr,lshr}si3_mips16): New names for the mips16 SImode shifts.
7365         Redefine using any_shift.  Use :GPR and any_shift to combine splitters.
7366         (*{ashl,ashr,lshr}di3_mips16): New names for the mips16 DImode shifts.
7367
7368 2004-08-24  Geoffrey Keating  <geoffk@apple.com>
7369
7370         * gimplify.c (lookup_tmp_var): Separate temporaries when not
7371         optimizing.
7372
7373 2004-08-25  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
7374
7375         PR libstdc++/17005 (fix for HP-UX 11.11)
7376         * config.gcc (hppa*-*-*): Move MASK_BIG_SWITCH to target_cpu_default2.
7377         (hppa*-*-hpux*): Consolidate hppa1.0-*-* code.  Rework handling of
7378         tm_file including pa-hpux1010.h or pa-hpux1111.h when appropriate.
7379         * config/pa/pa-hpux1010.h, config/pa/pa-hpux1111.h: New files.
7380         * config/pa/pa-hpux.h (TARGET_HPUX): Define.
7381         (LINK_SPEC): Handle march=1.0 option.
7382         * config/pa/pa-hpux10.h (TARGET_OS_CPP_BUILTINS): Predefine _XOPEN_UNIX
7383         and _XOPEN_SOURCE_EXTENDED for UNIX 95.
7384         (SUBTARGET_OPTIONS): New define.
7385         (LINK_SPEC): Handle march=1.0 option.
7386         (STARTFILE_SPEC): New define.
7387         * config/pa/pa-hpux11.h (TARGET_OS_CPP_BUILTINS): Predefine _XOPEN_UNIX
7388         and _XOPEN_SOURCE_EXTENDED for UNIX 95.  Additionally, predefine
7389         _INCLUDE__STDC_A1_SOURCE and _INCLUDE_XOPEN_SOURCE_500 for UNIX 98.
7390         (SUBTARGET_OPTIONS): New define.
7391         (LINK_SPEC): Handle march=1.0 option.
7392         (STARTFILE_SPEC): New define.
7393         * config/pa/pa.c (override_options): Add code to process -munix= option.
7394         * config/pa/pa.h (pa_unix_string, flag_pa_unix): Declare.
7395         (TARGET_HPUX, TARGET_HPUX_10_10, TARGET_HPUX_11_11): Provide default
7396         defines.
7397         (TARGET_OPTIONS): Add SUBTARGET_OPTIONS to option list.
7398         (SUBTARGET_OPTIONS): Provide default define.
7399         * config/pa/pa64-hpux.h (STANDARD_STARTFILE_PREFIX_1,
7400         STANDARD_STARTFILE_PREFIX_2): New defines.
7401         (STARTFILE_SPEC): Provide unix95.o or unix98.o startfiles as necessary.
7402         (ENDFILE_SPEC): Use %O.
7403         * doc/install.texi (hppa*-*-hpux*): Reword paragraph on -g and gas.
7404         Mention issue caused by changing namespace and runtime to UNIX 95/98.
7405         * doc/invoke.texi (HPPA options): Move misplaced text to FRV options.
7406         Document -munix=std option.
7407
7408 2004-08-25  Steven Bosscher  <stevenb@suse.de>
7409
7410         * cse.c (cse_around_loop, cse_check_loop_start,
7411         cse_set_around_loop): Remove.
7412         (cse_basic_block): Remove the around_loop argument.
7413         (cse_end_of_basic_block): Remove the after_loop argument.
7414         (cse_main): Likewise.
7415         * rtl.h (cse_main): Update prototype.
7416         * passes.c (rest_of_handle_cse, rest_of_handle_cse2,
7417         rest_of_handle_gcse): Update cse_main calls.
7418
7419 2004-08-25  Nathan Sidwell  <nathan@codesourcery.com>
7420
7421         * tree.h  (build_int_cst): New, sign extended constant.
7422         (build_int_cstu): New, zero extended constant.
7423         (build_int_cst_wide): Renamed from build_int_cst.
7424         * tree.c (build_int_cst, build_int_cstu): New.
7425         (build_int_cst_wide): Renamed from build_int_cst.
7426         (make_vector_type, build_common_tree_nodes,
7427         build_common_tree_nodes_2): Adjust build_int_cst calls.
7428         * builtins.c (expand_builtin_prefetch, expand_builtin_strstr,
7429         expand_builtin_strpbrk, expand_builtin_fputs,
7430         build_string_literal, expand_builtin_printf,
7431         expand_builtin_sprintf, fold_builtin_classify_type,
7432         fold_builtin_lround, fold_builtin_bitop, fold_builtin_isascii,
7433         fold_builtin_toascii, fold_builtin_isdigit,
7434         simplify_builtin_strstr, simplify_builtin_strpbrk,
7435         fold_builtin_fputs, simplify_builtin_sprintf): Likewise.
7436         * c-common.c (start_fname_decls, fix_string_type, shorten_compare,
7437         DEF_ATTR_INT): Likewise.
7438         * c-decl.c (complete_array_type, check_bitfield_type_and_width):
7439         Likewise.
7440         * c-lex.c (interpret_integer, lex_charconst): Likewise.
7441         * c-parse.in (primary) <TYPES_COMPATIBLE_P> Likewise.
7442         * c-pretty-print.c (pp_c_integer_constant): Likewise.
7443         * c-typeck.c (really_start_incremental_init, push_init_level,
7444         set_nonincremental_init_from_string): Likewise.
7445         * calls.c (load_register_parameters): Likewise.
7446         convert.c (convert_to_pointer): Likewise.
7447         coverage.c (coverage_counter_alloc, tree_coverage_counter_ref,
7448         build_fn_info_type, build_fn_info_value, build_ctr_info_value,
7449         build_gcov_info): Likewise.
7450         * except.c (init_eh, assign_filter_values): Likewise.
7451         * expmed.c (store_fixed_bit_field, extract_bit_field,
7452         extract_fixed_bit_field, extract_split_bit_field, expand_shift,
7453         expand_mult_const, expand_mult_highpart_adjust, extract_high_half,
7454         expand_sdiv_pow2, expand_divmod, make_tree): Likewise.
7455         * expr.c (convert_move, emit_group_load, emit_group_store,
7456         expand_assignment, store_constructor, store_field,
7457         expand_expr_real_1, reduce_to_bit_field_precision): Likewise.
7458         fold-const.c (force_fit_type, int_const_binop, fold_convert_const,
7459         invert_truthvalue, optimize_bit_field_compare,
7460         decode_field_reference, all_ones_mask_p, constant_boolean_node,
7461         fold_div_compare, fold, fold_read_from_constant_string,
7462         fold_negate_const, fold_abs_const, fold_not_const, round_up,
7463         round_down): Likewise.
7464         * function.c (assign_parm_setup_block): Likewise.
7465         * stmt.c (shift_return_value, expand_case, estimate_case_costs):
7466         Likewise.
7467         * stor-layout.c (layout_type, initialize_sizetypes,
7468         set_min_and_max_values_for_integral_type): Likewise.
7469         * tree-chrec.c (chrec_fold_multiply_poly_poly,
7470         reset_evolution_in_loop): Likewise.
7471         * tree-chrec.h (build_polynomial_chrec): Likewise.
7472         * tree-complex.c (build_replicated_const): Likewise.
7473         * tree-eh.c (honor_protect_cleanup_actions,
7474         lower_try_finally_onedest, lower_try_finally_copy,
7475         lower_try_finally_switch): Likewise.
7476         * tree-mudflap.c (mf_build_string, mx_register_decls,
7477         mudflap_register_call, mudflap_enqueue_constant): Likewise.
7478         * tree-nested.c (get_trampoline_type, get_nl_goto_field): Likewise.
7479         * tree-pretty-print.c (dump_generic_node): Likewise.
7480         * tree-ssa-ccp.c (widen_bitfield, maybe_fold_offset_to_array_ref):
7481         Likewise.
7482         * tree-ssa-dom.c (simplify_rhs_and_lookup_avail_expr): Likewise.
7483         * tree-ssa-loop-niter.c (number_of_iterations_cond,
7484         loop_niter_by_eval, upper_bound_in_type, lower_bound_in_type):
7485         Likewise.
7486         * tree-ssa-loop-ivcanon.c (create_canonical_iv,
7487         canonicalize_loop_induction_variables): Likewise.
7488         * tree-vectorizer.c (vect_create_index_for_array_ref,
7489         vect_transform_loop_bound, vect_compute_data_ref_alignment):
7490         Likewise.
7491
7492         * config/alpha/alpha.c (alpha_initialize_trampoline, alpha_va_start,
7493         alpha_gimplify_va_arg_1): Likewise.
7494         * config/arm/arm.c (arm_get_cookie_size): Likewise.
7495         * config/c4x/c4x.c (c4x_gimplify_va_arg_expr): Likewise.
7496         * config/i386/i386.c (ix86_va_start, ix86_gimplify_va_arg): Likewise.
7497         * config/ia64/ia64.c (ia64_gimplify_va_arg): Likewise.
7498         * config/mips/mips.c (mips_build_builtin_va_list, mips_va_start,
7499         mips_gimplify_va_arg_expr): Likewise.
7500         * config/pa/pa.c (hppa_gimplify_va_arg_expr): Likewise.
7501         * config/rs6000/rs6000.c (rs6000_va_start, rs6000_gimplify_va_arg,
7502         add_compiler_branch_island): Likewise.
7503         * config/s390/s390.c (s390_va_start): Likewise.
7504         * config/sh/sh.c (sh_va_start): Likewise.
7505         * config/stormy16/stormy16.c (xstormy16_expand_builtin_va_start):
7506         Likewise.
7507         * config/xtensa/xtensa.c (xtensa_va_start,
7508         xtensa_gimplify_va_arg_expr): Likewise.
7509
7510         * objc/objc-act.c (build_objc_string_object,
7511         build_objc_symtab_template, init_def_list, init_objc_symtab,
7512         init_module_descriptor, generate_static_references,
7513         build_selector_translation_table, get_proto_encoding,
7514         build_typed_selector_reference, build_selector_reference,
7515         build_next_objc_exception_stuff,
7516         build_method_prototype_list_template, generate_descriptor_table,
7517         generate_protocols, build_protocol_initializer,
7518         build_ivar_list_template, build_method_list_template,
7519         build_ivar_list_initializer, generate_ivars_list,
7520         generate_dispatch_table, generate_protocol_list,
7521         build_category_initializer, build_shared_structure_initializer,
7522         generate_shared_structures, handle_impent,
7523         generate_objc_image_info): Likewise.
7524
7525 2004-04-25  Paolo Bonzini  <bonzini@gnu.org>
7526
7527         * cfglayout.c (duplicate_insn_chain): Remove references to
7528         NOTE_INSN_LOOP_VTOP and NOTE_INSN_LOOP_CONT.
7529         * cfgloop.h (struct loop): Remove fields vtop, cont and cont_dominator.
7530         * cfgrtl.c (rtl_delete_block): Remove handling of NOTE_INSN_LOOP_CONT.
7531         * final.c (final_scan_insn): Remove references to NOTE_INSN_LOOP_VTOP
7532         and NOTE_INSN_LOOP_CONT.
7533         * insn-notes.def (NOTE_INSN_LOOP_VTOP, NOTE_INSN_LOOP_CONT): Remove.
7534         * jump.c (squeeze_notes): Remove references to NOTE_INSN_LOOP_VTOP
7535         and NOTE_INSN_LOOP_CONT.
7536         * loop.c (scan_loops, find_and_verify_loops, for_each_insn_in_loop,
7537         check_dbra_loop, loop_dump_aux): Remove references to removed notes
7538         and fields.
7539         * reorg.c (mostly_true_jump): Do not rely on NOTE_INSN_LOOP_VTOPs.
7540         * unroll.c (unroll_loop, copy_loop_body, loop_iterations): Remove
7541         references to removed notes and fields.
7542         (subtract_reg_term, ujump_to_loop_cont): Remove.
7543
7544 2004-08-25  Paolo Bonzini  <bonzini@gnu.org>
7545
7546         * doc/install.texi: Document that libcpp does not require
7547         Automake any longer.  Document that Automake 1.9.1 should
7548         work everywhere.
7549
7550 2004-08-25  Zack Weinberg  <zack@codesourcery.com>
7551
7552         * flags.h (enum debug_info_type): Remove DWARF_DEBUG.
7553         * defaults.h (PREFERRED_DEBUGGING_TYPE): Remove check for
7554         DWARF_DEBUGGING_INFO from choice-of-definition chain;
7555         restructure using C89 features (#elif, #error).
7556         * c-lex.c, final.c, opts.c, config/cris/cris.c, config/frv/frv.c
7557         * config/sh/sh.h: Remove references to DWARF_DEBUG.
7558         * doc/invoke.texi: Remove references to DWARF version 1;
7559         clarify why -gdwarf-2<n> doesn't work.
7560
7561 2004-08-25  Zack Weinberg  <zack@codesourcery.com>
7562
7563         * basic-block.h (BB_SET_PARTITION): Clear old value first.
7564         * cfg.c (clear_bb_flags): Don't clear partition setting.
7565         * ifcvt.c (find_if_case_1): Remove ??? comment.
7566
7567 2004-08-25  Alan Modra  <amodra@bigpond.net.au>
7568
7569         PR target/17052
7570         * config/rs6000/rs6000.h (machine_function): Remove sysv_varargs_p.
7571         * config/rs6000/sysv4.h (RS6000_VARARGS_AREA): Use
7572         current_function_stdarg in place of sysv_varargs_p.
7573         * config/rs6000/rs6000.c (setup_incoming_varargs): Don't set
7574         sysv_varargs_p.
7575
7576 2004-08-24  Richard Henderson  <rth@redhat.com>
7577
7578         PR target/16298
7579         * config/i386/i386.c (legitimate_constant_p): Rework to not accept
7580         random codes within CONST.
7581
7582 2004-08-24  James E Wilson  <wilson@specifixinc.com>
7583
7584         * Makefile.in (STAGEFEEDBACK_FLAGS_TO_PASS): Remove
7585         -freorder-blocks-and-partition.
7586
7587 2004-08-24  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
7588
7589         PR middle-end/17044
7590         * tree-ssa-threadupdate.c (redirection_data): Make static.
7591         (thread_block): Use ggc_alloc_cleared to allocate struct
7592         redirection_data.  Don't free elements in redirection_data.
7593
7594 2004-08-24  Richard Sandiford  <rsandifo@redhat.com>
7595
7596         * config/mips/predicates.md (small_data_pattern): Match prefetches.
7597
7598 2004-08-24  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
7599
7600         PR tree-optimization/17016
7601         * tree-ssa-loop-niter.c (number_of_iterations_cond,
7602         number_of_iterations_exit): Use POINTER_TYPE_P instead
7603         of testing for POINTER_TYPE.
7604
7605 2004-08-24  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
7606
7607         * tree-ssa-loop-ivcanon.c: New file.
7608         * tree-ssa-loop-manip.c (create_iv): New function.
7609         * Makefile.in (tree-ssa-loop-ivcanon.o): Add.
7610         (tree-ssa-loop.o, tree-ssa-loop-manip.o): Add SCEV_H dependency.
7611         * cfgloop.c (mark_single_exit_loops): New function.
7612         (verify_loop_structure): Verify single-exit loops.
7613         * cfgloop.h (struct loop): Add single_exit field.
7614         (LOOPS_HAVE_MARKED_SINGLE_EXITS): New constant.
7615         (mark_single_exit_loops): Declare.
7616         (tree_num_loop_insns): Declare.
7617         * cfgloopmanip.c (update_single_exits_after_duplication): New function.
7618         (duplicate_loop_to_header_edge): Use it.
7619         * common.opt (fivcanon): New flag.
7620         * timevar.def (TV_TREE_LOOP_IVCANON, TV_COMPLETE_UNROLL): New timevars.
7621         * tree-cfg.c (tree_find_edge_insert_loc): Return newly created block.
7622         (bsi_commit_edge_inserts_1): Pass null to tree_find_edge_insert_loc.
7623         (bsi_insert_on_edge_immediate): New function.
7624         * tree-flow.h (bsi_insert_on_edge_immediate,
7625         canonicalize_induction_variables, tree_unroll_loops_completely,
7626         create_iv): Declare.
7627         * tree-optimize.c (init_tree_optimization_passes): Add
7628         pass_iv_canon and pass_complete_unroll.
7629         * tree-pass.h (pass_iv_canon, pass_complete_unroll): Declare.
7630         * tree-scalar-evolution.c (get_loop_exit_condition,
7631         get_exit_conditions_rec, number_of_iterations_in_loop,
7632         scev_initialize): Use single_exit information.
7633         * tree-ssa-loop-niter.c (number_of_iterations_cond): Record
7634         missing assumptions.
7635         (loop_niter_by_eval):  Return number of iterations as unsigned
7636         int.
7637         * tree-ssa-loop.c (tree_ssa_loop_init): Mark single exit loops.
7638         (tree_ssa_loop_ivcanon, gate_tree_ssa_loop_ivcanon, pass_iv_canon,
7639         tree_complete_unroll, gate_tree_complete_unroll, pass_complete_unroll):
7640         New passes.
7641         (tree_ssa_loop_done): Call free_numbers_of_iterations_estimates.
7642         * tree-ssanames.c (make_ssa_name): Allow creating ssa name before
7643         the defining statement is ready.
7644         * tree-vectorizer.c (vect_create_iv_simple): Removed.
7645         (vect_create_index_for_array_ref, vect_transform_loop_bound):
7646         Use create_iv.
7647         (vect_transform_loop_bound): Use single_exit information.
7648         (vect_analyze_loop_form): Cleanup bogus tests.
7649         (vectorize_loops): Do not call flow_loop_scan.
7650         * tree.h (may_negate_without_overflow_p): Declare.
7651         * fold-const.c (may_negate_without_overflow_p): Split out from ...
7652         (negate_expr_p): ... this function.
7653         (tree_expr_nonzero_p): Handle overflowed constants correctly.
7654         * doc/invoke.texi (-fivcanon): Document.
7655         * doc/passes.texi: Document canonical induction variable creation.
7656
7657 2004-08-24  Richard Sandiford  <rsandifo@redhat.com>
7658
7659         * config/mips/mips.h (ISA_HAS_INT_CONDMOVE): Delete.
7660         * config/mips/mips.c (print_operand): Fold %B/%b handling into %T/%t,
7661         using the mode of the operand to decide between them.
7662         * config/mips/mips.md (MOVECC): New mode macro.
7663         (ccreg): New mode attribute.
7664         (*mov{si,di,sf,df}_on_{cc,si,di}): Name formerly unnamed patterns.
7665         Redefine using :GPR and :MOVECC.  Use %T and %t for the condition.
7666         (mov[sd]icc): Redefine using :GPR.
7667
7668 2004-08-24  Richard Sandiford  <rsandifo@redhat.com>
7669
7670         * config/mips/mips-protos.h (mips_emit_prefetch): Delete.
7671         (mips_prefetch_cookie): New function.
7672         * config/mips/mips.c (print_operand_address): Fix handling of
7673         ADDRESS_CONST_INT.
7674         (mips_emit_prefetch): Delete.
7675         (mips_prefetch_cookie): New function.
7676         * config/mips/mips.md (prefetch): Turn into a define_insn.  Use a
7677         mode of QImode for the address_operand.  Use mips_prefetch_cookie
7678         to calculate the first "pref" operand.
7679         (prefetch_[sd]i, prefetch_[sd]i_address): Delete.
7680         (prefetch_indexed_[sd]i): Redefine using :P.  Use mips_prefetch_cookie.
7681
7682 2004-08-24  Richard Earnshaw  <rearnsha@arm.com>
7683
7684         * arm.md: Include predicates.md.
7685         * predicates.md: New file.
7686         * arm.c (s_register_operand, arm_hard_register_operand)
7687         (arm_general_register_operand, f_register_operand, reg_or_int_operand)
7688         (arm_immediate_operand, arm_neg_immediate_operand)
7689         (arm_not_immediate_operand, arm_rhs_operand, arm_rhsm_operand)
7690         (arm_add_operand, arm_addimm_operand, arm_not_operand)
7691         (offsettable_memory_operand, alignable_memory_operand)
7692         (arm_reload_memory_operand, arm_float_rhs_operand)
7693         (arm_float_add_operand, vfp_compare_operand, arm_float_compare_operand)
7694         (index_operand, shiftable_operator, logical_binary_operator)
7695         (shift_operator, equality_operator, arm_comparison_operator)
7696         (minmax_operator, cc_register, dominant_cc_register)
7697         (arm_extendqisi_mem_op, power_of_two_operand, nonimmediate_di_operand)
7698         (di_operand, nonimmediate_soft_df_operand, soft_df_operand)
7699         (const_shift_operand, load_multiple_operation)
7700         (store_multiple_operation, multi_register_push, thumb_cmp_operand)
7701         (thumb_cmpneg_operand, thumb_cbrch_target_operand)
7702         (cirrus_register_operand, cirrus_fp_register)
7703         (cirrus_shift_const): Delete, replaced with equivalents in
7704         predicates.md.
7705         (shift_op): Handle ROTATE.
7706         * arm-protos.h: Delete declarations for above.
7707         * arm.h (PREDICATE_CODES, SPECIAL_MODE_PREDICATES): Delete.
7708         * t-arm (MD_INCLUDES): Add predicates.md.
7709         (s-preds): Depends on MD_INCLUDES.
7710
7711 2004-08-24  Richard Sandiford  <rsandifo@redhat.com>
7712
7713         * config/mips/mips.c (mips_gen_conditional_trap): Fix mode.
7714         * config/mips/mips.md (*conditional_trap[sd]i): Name previously unnamed
7715         patterns.  Redefine using :GPR.  Give the match_operator a mode.
7716         Use '%2' rather than '%z2' for operand 2.
7717
7718 2004-08-24  Richard Sandiford  <rsandifo@redhat.com>
7719
7720         * config/mips/mips.md (load_call[sd]i): Redefine using :P.  Add mode
7721         attribute.
7722
7723 2004-08-24  Richard Sandiford  <rsandifo@redhat.com>
7724
7725         * config/mips/mips.md (indirect_jump): Use force_reg.  Adjust names
7726         of internal patterns.
7727         (indirect_jump[sd]i): Renamed from indirect_jump_internal[12].
7728         Redefine using :P.
7729         (tablejump): Use expand_binop to calculate address.  Adjust names
7730         of internal patterns.
7731         (tablejump[sd]i): Renamed from tablejump_internal[12].
7732         Redefine using :P.
7733         (tablejump_mips16[12]): Delete.
7734
7735 2004-08-24  Richard Sandiford  <rsandifo@redhat.com>
7736
7737         * config/mips/mips.md (*seq_[sd]i, *seq_[sd]i_mips16, *sne_[sd]i)
7738         (*sgt_[sd]i, *sgt_[sd]i_mips16, *sge_[sd]i, *slt_[sd]i)
7739         (*slt_[sd]i_mips16, *sle_[sd]i, *sle_[sd]i_mips16, *sgtu_[sd]i)
7740         (*sgtu_[sd]i_mips16, *sge_[sd]i, *sltu_[sd]i, *sltu_[sd]i_mips16)
7741         (*sleu_[sd]i, *sleu_[sd]i_mips16): Redefine using :GPR.
7742
7743 2004-08-24  Richard Sandiford  <rsandifo@redhat.com>
7744
7745         * config/mips/mips.md (cmpsi, cmpdi): Redefine using :GPR.
7746         (*branch_zero[sd]i): Renamed from branch_zero{,_di}.  Redefine
7747         using :GPR.
7748         (*branch_zero[sd]i_inverted): Likewise branch_zero{,_di}_inverted.
7749         (*branch_equality[sd]i): Likewise branch_equality{,_di}.
7750         (*branch_equality[sd]i_inverted): Likewise
7751         branch_equality{,_di}_inverted.
7752         (*branch_equality[sd]i_mips16): Name formerly unnamed patterns.
7753         Redefine using :GPR.
7754
7755 2004-08-24  Zack Weinberg  <zack@codesourcery.com>
7756
7757         * rtl.def: Reorganize, placing all codes used only in machine
7758         descriptions at the end.
7759
7760         * rtl.def: Wrap MD-only codes in #ifdef GENERATOR_FILE.
7761         * gengtype.c: Don't include rtl.h.  Define enum rtx_code and
7762         rtx_name, rtx_format arrays by direct reference to rtl.def,
7763         first undefining GENERATOR_FILE.  Define enum insn_note and
7764         note_insn_name array by direct reference to insn-notes.def.
7765         (adjust_field_rtx_def): Remove local definition of rtx_name.
7766         Use symbolic names for insn notes.
7767         * Makefile.in (gengtype.o): Update dependencies.
7768
7769 2004-08-24  Zack Weinberg  <zack@codesourcery.com>
7770
7771         * basic-block.h (struct basic_block_def): Reorder fields to
7772         eliminate interior padding.  Remove 'partition' field.
7773         (BB_DISABLE_SCHEDULE, BB_HOT_PARTITION, BB_COLD_PARTITION)
7774         (BB_UNPARTITIONED, BB_PARTITION, BB_SET_PARTITION)
7775         (BB_COPY_PARTITION): New macros.
7776         * bb-reorder.c, cfgcleanup.c, cfglayout.c, cfgrtl.c, ifcvt.c
7777         Replace all references to the 'partition' field of a basic
7778         block with new macros.
7779
7780         * insn-notes.def: Delete NOTE_INSN_DISABLE_SCHED_OF_BLOCK.
7781         * final.c (final_scan_insn): Don't handle it.
7782         * modulo-sched.c: Set BB_DISABLE_SCHEDULE flag on g->bb
7783         instead of emitting a NOTE_INSN_DISABLE_SCHED_OF_BLOCK note.
7784         * sched-rgn.c (sched_is_disabled_for_current_region_p):
7785         Look for a BB_DISABLE_SCHEDULE flag on the block instead of a note.
7786
7787 2004-08-24  Nathan Sidwell  <nathan@codesourcery.com>
7788
7789         * c-decl.c (c_init_decl_processing): Adjust
7790         build_common_tree_nodes call.
7791         * expmed.c (const_mult_add_overflow_p): Use
7792         build_distinct_type_copy.
7793         * stor-layout.c (early_type_list): Remove.
7794         (layout_type): Don't append to early_type_list.
7795         (initialize_sizetypes): Add signed_p argument.
7796         (set_sizetype): Overwrite the stub type nodes directly.
7797         * tree.c (copy_node_stat): Clear a type's value cache here ...
7798         (build_distinct_type): ... not here.
7799         (build_common_tree_nodes): Add signed_sizetype argument. Adjust.
7800         * tree.h (initialize_sizetypes): Add signed_p argument.
7801         (build_common_tree_nodes): Likewise.
7802
7803         * objc/objc-act.c (get_static_reference): Use
7804         build_variant_type_copy.
7805         (get_protocol_reference): Likewise.
7806         * objc/objc-act.h (TREE_STATIC_TEMPLATE): Use TREE_PRIVATE.
7807
7808 2004-08-24  Richard Henderson  <rth@redhat.com>
7809             Andrew Pinski  <apinski@apple.com>
7810
7811         * gimplify.c (gimplify_array_ref_to_plus): Delete.
7812         (gimplify_addr_expr): Do not call gimplify_array_ref_to_plus
7813         for ARRAY_REF.
7814
7815         * config/rs6000/rs6000.c (altivec_expand_builtin): Go passed
7816         ARRAY_REF also to get to the STRING_CST.
7817
7818 2004-08-24  Paul Brook  <paul@codesourcery.com>
7819
7820         * config/arm/arm.c (arm_override_options): Update error message.
7821         * config/arm/arm.h (TARGET_HARD_FLOAT): Rename to
7822         TARGET_HARD_FLOAT_ABI.
7823         (TARGET_SOFT_FLOAT_ABI): Rename to TARGET_HARD_FLOAT.
7824         (LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P): Use TARGET_HARD_FLOAT_ABI.
7825
7826 2004-08-24  Kazuhiro Inaoka  <inaoka.kazuhiro@renesas.com>
7827
7828         PR target/17093
7829         * config/m32r.md (movsi_sda): Add SI mode specification to
7830         UNSPEC.
7831
7832 2004-08-24  Nick Clifton  <nickc@redhat.com>
7833
7834         * config/m32r/m32r.h (PREDICATE_CODES): Remove duplicate definition
7835         of seth_add3_operand.
7836
7837 2004-08-24  Nathan Sidwell  <nathan@codesourcery.com>
7838
7839         * Makefile.in (PROTO_OBJS): Add errors.o.
7840         * protoize.c (fancy_abort): Remove.
7841         * mips-tfile.c (fancy_abort): Add parameters.
7842
7843 2004-08-24  Jonathan Wakely  <redi@gcc.gnu.org>
7844
7845         * doc/trouble.texi (C++ misunderstandings): Fix example code.
7846
7847 2004-08-24  Andreas Tobler  <a.tobler@schweiz.ch>
7848
7849         * Makefile.in (HOOKS_H): Add dependency on MACHMODE_H.
7850         (host-default.o): Add dependency on HOOKS_H.
7851         * config/x-linux: Likewise.
7852         * config/x-solaris: Likewise.
7853         * config/i386/x-mingw32: Likewise.
7854         * config/rs6000/x-darwin: Likewise.
7855
7856 2004-08-23  James E Wilson  <wilson@specifixinc.com>
7857
7858         * reg-notes.def (REG_NOTE): In comment, change DEF_INSN_NOTE to
7859         DEF_REG_NOTE.
7860
7861 2004-08-23  Mark Mitchell  <mark@codesourcery.com>
7862
7863         PR c/14492
7864         * dwarf2out.c (loc_descriptor_from_tree): Robustify.
7865
7866 2004-08-23  Diego Novillo  <dnovillo@redhat.com>
7867
7868         * cfg.c (check_bb_profile): Fix typos.
7869         * function.c (assign_parm_is_stack_parm): Likewise.
7870         * tree-nested.c: Likewise.
7871
7872 2004-08-23  Daniel Jacobowitz  <dan@debian.org>
7873
7874         * ggc-zone.c (struc alloc_chunk): Rearrange flag bits and SIZE.
7875         Remove TYPECODE.
7876         (ggc_alloc_zone_1): Mark TYPE as unused.  Don't save it in the chunk.
7877
7878 2004-08-23  Eric Christopher  <echristo@redhat.com>
7879
7880         * defaults.h (VECTOR_MODE_SUPPORTED_P): Remove macro.
7881         * system.h (VECTOR_MODE_SUPPORTED_P): Poison.
7882         * target-def.h (TARGET_VECTOR_MODE_SUPPORTED_P): Define.
7883         * target.h: Ditto.
7884         * hooks.h: Include machmode.h.
7885         (hook_bool_mode_false): Declare.
7886         * hooks.c (hook_bool_mode_false): Define.
7887         * expr.c (vector_mode_valid_p): Use targetm.vector_mode_supported_p.
7888         * stor-layout.c (layout_type): Ditto.
7889         * config/alpha/alpha.c (alpha_vector_mode_supported_p): New function.
7890         Define to target macro.
7891         * config/alpha/alpha.h (VECTOR_MODE_SUPPORTED_P): Delete.
7892         * config/arm/arm.c: Ditto. Use.
7893         * config/arm/arm.h: Ditto.
7894         * config/arm/arm-protos.h: Ditto.
7895         * config/i386/i386.c: Ditto.
7896         * config/i386/i386.h: Ditto.
7897         * config/rs6000/rs6000.c: Ditto.
7898         * config/rs6000/rs6000.h: Ditto.
7899         * config/sh/sh.c: Ditto.
7900         * config/sh/sh.h: Ditto.
7901         * config/sh/sh-protos.h: Ditto.
7902         * config/sh/sh.md: Use.
7903         * doc/tm.texi: Move documentation for VECTOR_MODE_SUPPORTED_P
7904         to TARGET_VECTOR_MODE_SUPPORTED_P.
7905
7906 2004-08-23  Nathan Sidwell  <nathan@codesourcery.com>
7907
7908         * Makefile.in (BUILD_ERRORS): Set to build-errors.
7909         (errors.o): New target for host.
7910         (build-errors.o): New target for build.
7911         (genobjs): Replace errors.o with build-errors.
7912         (gengenrtl$(buildexeext)): Add $(BUILD_ERRORS).
7913         (GCOV_OBJS, GCOV_DUMP_OBJS): Add errors.o.
7914         (fix-headers$(build_exeext)): Add $(BUILD_ERRORS).
7915         (fix-header.o): Add errors.h
7916         * collect2.c (fancy_abort): Add parameters.
7917         * collect2.h (fancy_abort): Don't declare.
7918         * errors.h (fancy_abort): Don't declare.
7919         * errors.c: Include either bconfig.h or config.h.
7920         (fancy_abort): Trim filename.
7921         * fix-header.c (v_fatal, fatal): Remove.
7922         (progname): Remove definition.
7923         (main): Set progname here.
7924         * gcc.c (fancy_abort): Add parameters.
7925         * gcc.h (fancy_abort): Remove declaration.
7926         * gcov.c (fancy_abort): Remove.
7927         * rtl.h (fancy_abort): Don't declare.
7928         (abort): Don't define.
7929         * tree.h (fancy_abort): Don't declare.
7930         (abort): Don't define.
7931         * system.h (fancy_abort): Declare.
7932         (abort): Define to fancy_abort.
7933         * fixinc/Makefile.in (ALLOBJ): Add ../build-errors.o
7934
7935         * tree.h (enum size_type_kind): Remove USIZETYPE, UBITSIZETYPE.
7936         (usize_type, ubitsizetype): Remove.
7937         * stor-layout.c (set_sizetype): Don't initialize usizetype,
7938         ubitsizetype.
7939         * fold-const.c (size_diffop): TYPE can never be ubitsizetype.
7940
7941         * tree.h (build_distinct_type_copy): New.
7942         (build_type_copy): ... here.  Rename to ...
7943         (build_variant_type_copy): ... here.
7944         * tree.c (build_qualified_type): Rename build_type_copy call.
7945         (build_distinct_type_copy): New, broken out of ...
7946         (build_type_copy): ... here.  Rename to ...
7947         (build_variant_type_copy): ... here.  Use
7948         build_distinct_type_copy.
7949         (build_common_tree_nodes_2): Rename build_type_copy call.
7950         * c-common.c (c_common_nodes_and_builtins): Rename build_type_copy
7951         call.
7952         (handle_packed_attribute, handle_unused_attribute,
7953         handle_transparanet_union_attribute, handle_aligned_attribute,
7954         handle_deprecated_attribute): Likewise.
7955         * c-decl.c (clone_underlying_type, store_parm_decls_oldstyle):
7956         Likewise.
7957         * config/arm/arm.c (arm_handle_isr_attribyte): Likewise.
7958         * config/rs6000/rs6000.c (rs6000_init_builtins): Use
7959         build_distinct_type_copy.
7960
7961 2004-08-23  Richard Sandiford  <rsandifo@redhat.com>
7962
7963         * config/mips/mips.md (mfhilo_[sd]i): Redefine using :GPR.  Add mode
7964         attribute.
7965
7966 2004-08-23  Richard Sandiford  <rsandifo@redhat.com>
7967
7968         * config/mips/mips.md (length): Don't use mips_fetch_insns for indexed
7969         loads and stores.
7970         (*lwxc1_<mode>, *ldxc1_<mode>, *swxc1_<mode>, *sdxc1_<mode>): Name
7971         formerly unnamed patterns.  Redefine using :P for the address.  Remove
7972         explicit length attributes.
7973
7974 2004-08-23  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
7975
7976         * tree-ssa-loop-im.c (fem_single_reachable_address, for_each_memref):
7977         New functions.
7978         (single_reachable_address): Use them.
7979         (schedule_sm): Add dump.
7980         (is_call_clobbered_ref): New function.
7981         (determine_lsm_reg): Check whether the reference is call clobbered.
7982         Only work for gimple_reg_type values.
7983
7984 2004-08-23  Richard Sandiford  <rsandifo@redhat.com>
7985
7986         * config/mips/mips.md (*mov<mode>_ra): Name previously unnamed MIPS16
7987         $31 store insns.  Redefine using :GPR.
7988
7989 2004-08-23  Richard Sandiford  <rsandifo@redhat.com>
7990
7991         * config/mips/mips.md (P): New mode macro.
7992         (*xgot_hi[sd]i, *xgot_lo[sd]i, *got_disp[sd]i, *got_page[sd]i)
7993         (*load_got[sd]i, *low[sd]i, *low[sd]i_mips16): Redefine using :P.
7994         Add mode attributes.
7995
7996 2004-08-23  Richard Sandiford  <rsandifo@redhat.com>
7997
7998         * config/mips/mips.md (UNSPEC_[LS][WD][LR]): Delete in favor of...
7999         (UNSPEC_{LOAD,STORE}_{LEFT,RIGHT}): ...these new constants.  Shuffle
8000         later constants to cover the gap.
8001         (load, store): New mode attributes.
8002         (mov_l[wd]l, mov_l[wd]r, mov_s[wd]l, mov_s[wd]r): Redefine using :GPR.
8003         Use new unspec constants.
8004
8005 2004-08-23  Richard Sandiford  <rsandifo@redhat.com>
8006
8007         * config/mips/mips.md (one_cmpl[sd]i2): Redefine using :GPR.
8008         (and[sd]3, ior[sd]i3, xor[sd]i3): Likewise.  Change 32-bit patterns
8009         to use register_operand rather than uns_arith_operand as the predicate
8010         for operand 1.  Remove redundant MIPS16 force_reg() for operand 1.
8011         (*and[sd]i3, *ior[sd]i3, *xor[sd]i3): Name formerly unnamed patterns.
8012         Redefine using :GPR.  Make same predicate change here.  Extend the
8013         commutativity of operands 1 and 2 from the SImode version to the
8014         DImode one.
8015         (*and[sd]i3_mips16, *ior[sd]i3_mips16, *xor[sd]i3_mips16): Likewise,
8016         but with no predicate changes.
8017         (*nor[sd]i3): Redefine using :GPR.
8018
8019 2004-08-23  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
8020
8021         * tree-ssa-operands.c (get_call_expr_operands): Add VUSE operands for
8022         noreturn functions.
8023
8024 2004-08-23  Richard Sandiford  <rsandifo@redhat.com>
8025
8026         * config/mips/mips.h (ISA_HAS_DCLZ_DCLO): Delete.
8027         * config/mips/mips.md (abs[sd]i2): Redefine using :GPR.  Only use
8028         branch-likely insns for absdi2 if GENERATE_BRANCHLIKELY.  Use "%."
8029         rather than "%z2" (with a fake const0_rtx for operand 2).
8030         (ffs[sd]i2): Redefine using :GPR.
8031         (clz[sd]i2): Likewise.  Use ISA_HAS_CLO_CLZ for the 64-bit case.
8032
8033 2004-08-23  Richard Sandiford  <rsandifo@redhat.com>
8034
8035         * config/mips/mips.md ({,u}divmod[sd]i4): Redefine using :GPR.
8036
8037 2004-08-23  Richard Sandiford  <rsandifo@redhat.com>
8038
8039         * config/mips/mips.md (any_extend): New code macro.
8040         (u, su): New code attributes.
8041         ({,u}mulsidi3, {,u}mulsidi3_32bit_internal, {,u}mulsidi3_32bit_r4000)
8042         ({u,s}mulsi3_highpart, {u,s}mulsi3_highpart_internal)
8043         ({u,s}mulsi3_highpart_mulhi_internal, {s,u}muldi3_highpart)
8044         (*{s,u}mul_acc_di): Redefine using any_extend.
8045         (*{,u}muls_di, *{s,u}msac_di): Likewise.  Change names of patterns
8046         to reflect real insn names.
8047         (*mulsidi3_64bit, *mulsidi3_64bit_parts): Replace use of match_operator
8048         with an any_extend template.
8049         ({u,s}mulsi3_highpart_neg_mulhi_internal): Redefine using any_extend.
8050         Add '*' to name.
8051
8052 2004-08-23  Richard Sandiford  <rsandifo@redhat.com>
8053
8054         * config/mips/mips.h (GENERATE_MULT3_SI): Check TARGET_MAD.
8055         * config/mips/mips.md (mul[sd]i3, mul[sd]i3_internal)
8056         (mul[sd]i3_r4000): Redefine using :GPR.
8057         (mulsi3_mult3): Don't check TARGET_MAD separately.
8058         (muldi3_mult3): Moved after mulsi_mult3.
8059
8060 2004-08-23  Richard Sandiford  <rsandifo@redhat.com>
8061
8062         * config.gcc (mips-*-*): Remove definitions of MASK_GAS and
8063         OBJECT_FORMAT_ELF.  Set MASK_SPLIT_ADDR by default if using GNU ld.
8064         * config/mips/mips.h (MASK_GAS): Delete.  Shuffle later masks down.
8065         (TARGET_GAS, TARGET_MIPS_AS): Delete.
8066         (TARGET_GPWORD): Define to true for n32 on IRIX.
8067         (TARGET_SWITCHES): Remove -mmips-as.  Turn -mgas into a no-op.
8068         (MIPS_AS_ASM_SPEC, SUBTARGET_MIPS_AS_ASM_SPEC): Delete.
8069         (GAS_ASM_SPEC): Delete, folding into ASM_SPEC.
8070         (ASM_ABI_DEFAULT_SPEC, TARGET_ASM_SPEC): Delete.
8071         (MDEBUG_ASM_SPEC): Delete, folding into...
8072         (SUBTARGET_ASM_DEBUGGING_SPEC): ...here.
8073         (ASM_SPEC): Inline old GAS_ASM_SPEC.  Use GNU names for ABI switches.
8074         (EXTRA_SPECS): Remove mips_as_asm_spec, gas_asm_spec, target_asm_spec,
8075         subtarget_mips_as_asm_spec, mdebug_asm_spec.  Use MULTILIB_ABI_DEFAULT
8076         to define asm_abi_default_spec.
8077         (ASM_STABS_OP, ASM_STABN_OP, ASM_STABD_OP): Delete.
8078         (TARGET_ASM_SELECT_SECTION): Delete.
8079         * config/mips/mips.c (MIPS_MAX_FIRST_STACK_STEP): Define to 0x7ff0
8080         for non-mips16 code, removing previous workaround for SGI assemblers.
8081         (TARGET_ASM_INTEGER, mips_assemble_integer): Delete.
8082         (TARGET_ASM_ALIGNED_DI_OP): Define this instead.
8083         (override_options): Remove !TARGET_GAS and !have_named_sections code.
8084         (print_operand): Fold TARGET_GAS conditionals into asm strings.
8085         (mips_output_filename): Remove !TARGET_GAS code.  Replace use of
8086         ASM_STABS_OP and ASM_STABN_OP.
8087         (mips_file_start): Remove TARGET_MIPS_AS/TARGET_GAS checks.
8088         (mips_output_aligned_decl_common): Remove mention of SGI o32 assembler.
8089         (mips_output_function_prologue): Remove !TARGET_GAS code.
8090         (mips_select_rtx_section): Remove !have_named_sections code.
8091         (mips_select_section): Delete.
8092         * config/mips/mips.md (trap): Remove !TARGET_GAS check.
8093         * config/mips/linux.h (TARGET_DEFAULT): Remove use of MASK_GAS.
8094         * config/mips/sdb.h (PUT_SDB_DEF, PUT_SDB_PLAIN_DEF): Delete.
8095         (PUT_SDB_BLOCK_START, PUT_SDB_BLOCK_END): Fold TARGET_GAS conditional.
8096         * config/mips/vxworks.h (ASM_SPEC): As for mips.h.
8097         * config/mips/windiss.h (ASM_SPEC): Likewise.
8098
8099 2004-08-23  Richard Sandiford  <rsandifo@redhat.com>
8100
8101         * read-rtl.c (map_value, mapping, macro_group): New structures.
8102         (BELLWETHER_CODE): New macro.
8103         (modes, codes, bellwether_codes): New variables.
8104         (find_mode, uses_mode_macro_p, apply_mode_macro, find_code)
8105         (uses_code_macro_p, apply_code_macro, apply_macro_to_string)
8106         (apply_macro_to_rtx, uses_macro_p, add_condition_to_string)
8107         (add_condition_to_rtx, apply_macro_traverse, add_mapping)
8108         (add_map_value, initialize_macros): New functions.
8109         (def_hash, def_hash_eq_p): Generalize to anything that points to,
8110         or starts with, a char * field.
8111         (find_macro, read_mapping, check_code_macro): New functions.
8112         (read_rtx_1): New, split out from read_rtx.  Handle the new
8113         define_{mode,code}_{macro,attr} constructs.  Use find_macro
8114         to parse the name of a code or mode.  Use BELLWETHER_CODE to
8115         extract the format and to choose a suitable code for rtx_alloc.
8116         Modify recursive invocations to use read_rtx_1.
8117         (read_rtx): Call initialize_macros.  Apply code and mode macros
8118         to the rtx returned by read_rtx_1.  Cache everything after the
8119         first macro expansion for subsequent read_rtx calls.
8120         * doc/md.texi: Document new .md constructs.
8121         * config/mips/mips.md (GPR): New mode macro.
8122         (d, si8_di5): New mode attributes.
8123         (any_cond): New code macro.
8124         (add[sd]i3): Redefine using :GPR.
8125         (*add[sd]i3): Likewise, renaming from add[sd]i3_internal.
8126         (*add[sd]i3_sp[12], *add<mode>3_mips16): Redefine using :GPR, naming
8127         previously unnamed MIPS16 patterns.
8128         (*addsi3_extended): Renamed from addsi3_internal_2.  Fix overly long
8129         lines.  Don't match (plus (const_int 0) ...).
8130         (*addsi3_extended_mips16): Name previously unnamed MIPS16 pattern.
8131         Use a define_split to generate the addition.
8132         (sub[sd]i3): Redefine using :GPR.  Turn subsi3 into a define_insn.
8133         (subsi3_internal): Delete.
8134         (*subsi3_extended): Renamed from subsi3_internal_2.
8135         (bunordered, bordered, bunlt, bunge, buneq, bltgt, bunle, bungt)
8136         (beq, bne, bgt, bge, blt, ble, bgtu, bgeu, bltu, bleu): Redefine
8137         using an any_cond template.
8138
8139 2004-08-23  Richard Sandiford  <rsandifo@redhat.com>
8140
8141         * read-rtl.c (read_rtx): Tidy use of format_ptr.
8142
8143 2004-08-23  Richard Sandiford  <rsandifo@redhat.com>
8144
8145         * read-rtl.c (string_obstack): New file-scope variable.
8146         (read_string, read_quoted_string, read_braced_string)
8147         (read_escape): Remove obstack parameter and use string_obstack instead.
8148         (read_rtx): Remove function-local rtl_obstack and initialize
8149         string_obstack instead.  Update call to read_string.
8150
8151 2004-08-22  Andrew Pinski  <apinski@apple.com>
8152
8153         PR c/15262
8154         * c-typeck.c (build_unary_op): Use &a.b if the foldded lowered
8155         expression is not constant.
8156         (c_finish_return): Do not go through INDIRECT_REF when looking
8157         for the inner expression of an ADDR_EXPR for warning about.
8158
8159 2004-08-22  Richard Henderson  <rth@redhat.com>
8160
8161         PR 17075
8162         * cfgexpand.c (expand_gimple_tailcall): Detect when we can both
8163         create new blocks and fall through.
8164         (expand_gimple_basic_block): Update to match.
8165
8166 2004-08-22  Ulrich Weigand  <uweigand@de.ibm.com>
8167
8168         * reload.c (find_reloads_address): Make return value tri-state.
8169         Return -1 if LEGITIMIZE_RELOAD_ADDRESS succeeded.
8170         (find_reloads): Assume that reloaded addresses match 'o' or
8171         EXTRA_MEMORY_CONSTRAINT constraints only if find_reloads_address
8172         returned 1 (not -1).  Omit optional reloads for address operands
8173         only if find_reloads_address returned 1 (not -1).
8174
8175         * config/s390/s390.c (legitimize_reload_address): New function.
8176         * config/s390/s390-protos.h (legitimize_reload_address): Declare.
8177         * config/s390/s390.h (LEGITIMIZE_RELOAD_ADDRESS): Define.  Call
8178         legitimize_reload_address.
8179
8180 2004-08-22  Richard Hendersion  <rth@redhat.com>
8181
8182         * tree.h (SAVE_EXPR_RESOLVED_P): New.
8183         * gimplify.c (gimplify_save_expr): Use it.
8184         * expr.c (expand_expr_real_1): Likewise.  Also set DECL_IGNORED_P
8185         on the temporary variable.
8186
8187 2004-08-22  Andrew Pinski  <pinskia@physics.uc.edu>
8188
8189         * fold-const.c (rtl_expr_nonnegative_p): Delete.
8190         * tree.h (rtl_expr_nonnegative_p): Remove.
8191
8192 2004-08-22  Steven Bosscher  <stevenb@suse.de>
8193
8194         * config/i386/ppro.md (ppro_complex_insn): Add missing check
8195         for cpu==pentiumpro.
8196
8197         * combine.c (struct reg_stat): Fix comment typo.
8198
8199 2004-08-22  Joseph S. Myers  <jsm@polyomino.org.uk>
8200
8201         * c-tree.h (c_sizeof_nowarn): Remove.
8202
8203 2004-08-21  Joseph S. Myers  <jsm@polyomino.org.uk>
8204
8205         * c-decl.c (set_array_declarator_type): Rename to
8206         set_array_declarator_inner.
8207         (build_c_parm, build_attrs_declarator, build_function_declarator):
8208         New functions.
8209         (make_pointer_declarator): Call build_attrs_declarator.
8210         * c-tree.h (set_array_declarator_type): Rename to
8211         set_array_declarator_inner.
8212         (build_c_parm, build_attrs_declarator, build_function_declarator):
8213         New prototypes.
8214         * c-parse.in (after_type_declarator,
8215         parm_declarator_starttypename, parm_declarator_nostarttypename,
8216         notype_declarator, absdcl_maybe_attribute, direct_absdcl1, parm,
8217         firstparm): Use these functions
8218
8219 2004-08-21  Joseph S. Myers  <jsm@polyomino.org.uk>
8220
8221         * c-decl.c (build_array_declarator, set_array_declarator_type,
8222         start_decl, grokdeclarator, grokparms): Change boolean parameters
8223         to type bool.
8224         * c-tree.h (build_array_declarator, set_array_declarator_type,
8225         start_decl): Update prototypes.
8226         * c-decl.c, c-parse.in: All callers changed.
8227
8228 2004-08-21  Mike Stump  <mrs@apple.com>
8229
8230         * config/rs6000/darwin.h (SUBTARGET_OPTIONS): Move from here, to...
8231         (darwin_fix_and_continue): Likewise.
8232         (darwin_fix_and_continue_switch): Likewise.
8233         * config/darwin.h (SUBTARGET_OPTIONS): ...here, to fix -mone-byte-bool.
8234         (darwin_fix_and_continue): Likewise.
8235         (darwin_fix_and_continue_switch): Likewise.
8236
8237 2004-08-21  Danny Smith  <dannysmith@users.sourceforge.net>
8238
8239         PR  c++/16030
8240         * config/i386/winnt/c (gen_stdcall_suffix, gen_fastcall_suffix):
8241         Remove, merging into ...
8242         (gen_stdcall_or_fastcall_suffix): New function, returning tree
8243         rather than const char*, and accepting additional parameter.
8244         Don't add suffix to '*'-prefixed symbols or variadic functions.
8245         (i386_pe_encode_section_info): Adjust for call to new function.
8246         Call change_decl_assembler_name.
8247
8248 2004-08-20  Mike Stump  <mrs@apple.com>
8249
8250         * config/darwin.c (machopic_indirect_data_reference): Mark
8251         stubs as defined.
8252         * config/386/386.c (darwin_local_data_pic): Add.
8253         (legitimate_constant_p): Reorder so that PLUS handling runs
8254         before darwin_local_data_pic to match the ordering in
8255         legitimate_pic_address_disp_p and so that MINUS runs after
8256         darwin_local_data_pic as otherwise the darwin_local_data_pic
8257         logic can be skipped, which would be very bad.
8258         (legitimate_pic_address_disp_p): Move from from here to
8259         darwin_local_data_pic so it can be reused.
8260
8261 2004-08-21  Alan Modra  <amodra@bigpond.net.au>
8262
8263         * config/rs6000/linux64.h (DOT_SYMBOLS): Define.
8264         (CRT_CALL_STATIC_FUNCTION): Define !DOT_SYMBOLS version.
8265         (ASM_DECLARE_FUNCTION_SIZE): Modify for !DOT_SYMBOLS.
8266         (ASM_OUTPUT_SOURCE_LINE, DBX_OUTPUT_BRAC, DBX_OUTPUT_NFUN): Likewise.
8267         (RS6000_ABI_NAME): Define as "linux".
8268         (SUBSUBTARGET_OVERRIDE_OPTIONS): Set dot_symbols.
8269         * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Select
8270         ABI_AIX when rs6000_abi_name is "linux" and TARGET_64BIT.
8271         * config/rs6000/rs6000-protos.h (rs6000_output_function_entry): Decl.
8272         * config/rs6000/rs6000.c (dot_symbols): New global var.
8273         (rs6000_output_function_entry): New function, modified for
8274         !DOT_SYMBOLS..
8275         (print_operand <case 'z'>): ..extracted from here.
8276         (rs6000_assemble_visibility): Modify for !DOT_SYMBOLS.
8277         (rs6000_output_function_epilogue): Likewise.
8278         (rs6000_elf_declare_function_name): Likewise.
8279         * config/rs6000/rs6000.h (DOT_SYMBOLS): Define.
8280         (ASM_WEAKEN_DECL, ASM_OUTPUT_DEF_FROM_DECLS): Modify for !DOT_SYMBOLS.
8281         * configure.ac (HAVE_LD_NO_DOT_SYMS): Add new AC_DEFINE.
8282         * configure: Regenerate.
8283         * config.in: Regenerate.
8284
8285 2004-08-20  Mark Mitchell  <mark@codesourcery.com>
8286
8287         * reload.c (find_reloads_address): Fix thinko in previous change.
8288
8289         * reload.c (find_reloads_address): Reload the sum of a LO_SUM and
8290         a CONST_INT.
8291
8292 2004-08-20  Jakub Jelinek  <jakub@redhat.com>
8293
8294         PR rtl-optimization/17099
8295         * combine.c (force_to_mode): Check if inner_mask has any bits set
8296         outside of GET_MODE (x) instead of op_mode.
8297
8298 2004-08-20  Mark Mitchell  <mark@codesourcery.com>
8299
8300         * config.gcc (arm*-*-symbianelf*): Add t-symbian Makefile
8301         fragment.
8302         * config/arm/bpabi.h (RENAME_LIBRARY_SET): Fix typo.
8303         (SUBTARGET_EXTRA_ASM_SPEC): Pass -meabi=3 to the assembler.
8304         * config/arm/symbian.h (SUBTARGET_CPU_DEFAULT): Assume ARMV5
8305         architecture.
8306         (SUBTARGET_ASM_FLOAT_SPEC): Default to -mfpu=vfp for hard-float
8307         configurations.
8308         * config/arm/t-symbian: New file.
8309
8310 2004-08-20  Andrew Pinski  <apinski@apple.com>
8311
8312         * regrename.c (kill_value_regno): ANSIfy.
8313
8314 2004-08-20  Dale Johannesen  <dalej@apple.com>
8315
8316         * config/rs6000/rs6000.c (rs6000_rtx_costs): Improve DIV/MOD.
8317
8318 2004-08-20  Daniel Jacobowitz  <dan@debian.org>
8319
8320         * regrename.c (kill_value_one_regno): Renamed from kill_value_regno.
8321         (kill_value_regno): New function, derived from kill_value.
8322         (kill_value): Update.
8323         (copyprop_hardreg_forward_1): Update call to kill_value_regno.
8324
8325 2004-08-20  Daniel Berlin  <dberlin@dberlin.org>
8326
8327         Fix PR tree-optimization/17111
8328         * tree-ssa-pre.c (create_value_expr_from): Don't change the types
8329         of non-value_handles.
8330         (bitmap_set_contains): All constants are in every set.
8331
8332 2004-08-20  Nathan Sidwell  <nathan@codesourcery.com>
8333
8334         * fold-const.c (round_up, round_down): Use build_int_cst.
8335         Optimize common case.
8336
8337 2004-08-20  Zack Weinberg  <zack@codesourcery.com>
8338             John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
8339
8340         * config/pa/pa-protos.h (readonly_data, one_only_readonly_data_section,
8341         one_only_data_section): Rename to som_readonly_data_section,
8342         som_one_only_readonly_data_section and som_one_only_data_section.
8343         * config/pa/pa.c (ONE_ONLY_TEXT_SECTION_ASM_OP,
8344         NEW_TEXT_SECTION_ASM_OP, DEFAULT_TEXT_SECTION_ASM_OP): Delete
8345         conditional defines.
8346         (som_text_section_asm_op): Replace ONE_ONLY_TEXT_SECTION_ASM_OP,
8347         NEW_TEXT_SECTION_ASM_OP and DEFAULT_TEXT_SECTION_ASM_OP with actual
8348         string values.
8349         (pa_select_section): Use renamed section functions.
8350         * config/pa/pa.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS,
8351         SOM_READONLY_DATA_SECTION_FUNCTION,
8352         SOM_ONE_ONLY_READONLY_DATA_SECTION_FUNCTION,
8353         SOM_ONE_ONLY_DATA_SECTION_FUNCTION, FORGET_SECTION_FUNCTION):
8354         Define here ...
8355         * config/pa/som.h: ... not here.
8356         (DEFAULT_TEXT_SECTION_ASM_OP, NEW_TEXT_SECTION_ASM_OP,
8357         ONE_ONLY_TEXT_SECTION_ASM_OP, READONLY_DATA_ASM_OP,
8358         ONE_ONLY_READONLY_DATA_SECTION_ASM_OP,
8359         ONE_ONLY_DATA_SECTION_ASM_OP): Delete.
8360         (READONLY_DATA_SECTION): Use som_readonly_data_section.
8361
8362 2004-08-20  Nathan Sidwell  <nathan@codesourcery.com>
8363
8364         * fold-const.c (int_const_binop): Don't generate non-overflowing
8365         size-types specially.
8366         (fold_convert_const): Likewise.
8367
8368         * stor-layout.c (initialize_sizetypes): Set SIZETYPE earlier,
8369         clear cache on copied sizetype.
8370
8371 2004-08-20  Ben Elliston  <bje@au.ibm.com>
8372
8373         * configure.ac: Don't escape apostrophe in --enable-coverage help.
8374         * configure: Regenerate.
8375
8376 2004-08-20  Danny Smith  <dannysmith@users.sourceforge.net>
8377
8378         PR 5620
8379         * gcc.c (struct stat input_stat): Don't define if
8380         HOST_LACKS_INODE_NUMBERS
8381         (do_spec_1): If HOST_LACKS_INODE_NUMBERS, use lrealpath rather
8382         than stat to determine if temp file is same as input file.
8383         * doc/hostconfig.texi: Document HOST_LACKS_INODE_NUMBERS.
8384         * config/i386/xm-mingw32.h: Define HOST_LACKS_INODE_NUMBERS
8385
8386 2004-08-20  Richard Sandiford  <rsandifo@redhat.com>
8387
8388         * configure.ac (mips*-*-*): Print an error if not using GAS.
8389         * configure: Regenerated.
8390         * doc/install.texi: Remove irix5 bullet from --with-gnu-as.  Remove
8391         comments about buggy MIPSpro assemblers.
8392         * config.gcc (mips-sgi-irix[56]*): Combine stanzas.  Include elfos.h
8393         before mips.h and iris.h after it.  Use t-iris and t-slibgcc-irix.
8394         Use iris5.h only for IRIX 5 configs.  Use iris6.h and t-iris6 for
8395         IRIX 6 configs.  Define IRIX_USING_GNU_LD if using GNU ld.
8396         * config/mips/iris5.h (TARGET_IRIX, SWITCHES_NEED_SPACES)
8397         (DEFAULT_SIGNED_CHAR, WORD_SWITCH_TAKES_ARG, SUBTARGET_CC1_SPEC)
8398         (NO_IMPLICIT_EXTERN_C, MIPS_DEFAULT_GVALUE)
8399         (TARGET_ASM_EXTERNAL_LIBCALL): Move to iris.h.
8400         (WCHAR_TYPE, WCHAR_TYPE_SIZE, TARGET_OS_CPP_BUILTINS): Delete in favor
8401         of more general IRIX 6 definitions.
8402         (OBJECT_FORMAT_ELF, ASM_OUTPUT_ASCII, ASM_WEAKEN_LABEL)
8403         (HANDLE_SYSV_PRAGMA): Delete in favor of elfos.h definitions.
8404         (TARGET_IRIX5, ABICALLS_ASM_OP, BSS_SECTION_ASM_OP, HAS_INIT_SECTION)
8405         (LD_INIT_SWITCH, LD_FINI_SWITCH, SUBTARGET_ASM_OPTIMIZING_SPEC)
8406         (ASM_FINAL_SPEC, DBX_DEBUGGING_INFO, MIPS_DEBUGGING_INFO)
8407         (PREFERRED_DEBUGGING_TYPE, DWARF2_UNWIND_INFO, SET_FILE_NUMBER)
8408         (LABEL_AFTER_LOC, DOLLARS_IN_IDENTIFIERS, NO_DOLLAR_IN_LABEL)
8409         (TARGET_ASM_NAMED_SECTION, EXTRA_SECTION_FUNCTIONS)
8410         (ASM_DECLARE_FUNCTION_SIZE, ASM_OUTPUT_WEAK_ALIAS)
8411         (SUBTARGET_EXTRA_SPECS): Delete definitions or undefs.
8412         (LINK_SPEC): Move most of definition to iris.h.
8413         (SUBTARGET_LINK_SPEC): New macro.
8414         (IRIX_STARTFILE_SPEC): Fold into...
8415         (STARTFILE_SPEC): ...here.
8416         (IRIX_ENDFILE_SPEC): Fold into...
8417         (ENDFILE_SPEC): ...here.
8418         * config/mips/iris6.h (TARGET_IRIX5): Remove override.
8419         (WCHAR_TYPE, WCHAR_TYPE_SIZE, WINT_TYPE, WINT_TYPE_SIZE)
8420         (DWARF_OFFSET_SIZE, DWARF_INITIAL_LENGTH_SIZE, SET_ASM_OP)
8421         (LINK_ELIMINATE_DUPLICATE_LDIRECTORIES, ASM_DECLARE_OBJECT_NAME)
8422         (ASM_FINISH_DECLARE_OBJECT, LOCAL_LABEL_PREFIX): Move to iris.h.
8423         (TARGET_OS_CPP_BUILTINS): Likewise.  Guard IRIX6-specific bits.
8424         (DWARF2_UNWIND_INFO, DWARF2_GENERATE_TEXT_SECTION_LABEL)
8425         (SUBTARGET_CPP_SPEC, DWARF2_DEBUGGING_INFO, MIPS_DEBUGGING_INFO)
8426         (PREFERRED_DEBUGGING_TYPE, DWARF2_FRAME_INFO, MD_EXEC_PREFIX)
8427         (ASM_DECLARE_FUNCTION_NAME, ASM_DECLARE_FUNCTION_SIZE)
8428         (FUNCTION_NAME_ALREADY_DECLARED, SUPPORTS_INIT_PRIORITY)
8429         (POPSECTION_ASM_OP, SUBTARGET_ASM_SPEC, SUBTARGET_MIPS_AS_ASM_SPEC)
8430         (SUBTARGET_ASM_DEBUGGING_SPEC, SUBTARGET_ASM_OPTIMIZING_SPEC)
8431         (BSS_SECTION_ASM_OP*, READONLY_DATA_SECTION_ASM_OP*)
8432         (EH_FRAME_SECTION_NAME, MUST_USE_SJLJ_EXCEPTIONS, CTORS_SECTION_ASM_OP)
8433         (DTORS_SECTION_ASM_OP, TARGET_ASM_NAMED_SECTION, EH_FRAME_SECTION_NAME)
8434         (ASM_OUTPUT_ALIGN, ASM_OUTPUT_FILENAME, ASM_OUTPUT_ALIGNED_LOCAL)
8435         (ASM_OUTPUT_ALIGNED_BSS): Remove definitions or undefs.
8436         (TARGET_IRIX6): Define to 1.
8437         (DRIVER_SELF_SPECS): Define.
8438         (DWARF2_FRAME_INFO): Define to 1 rather than !TARGET_SGI_O32_AS.
8439         (SUBTARGET_CC1_SPEC): Remove in favor of DRIVER_SELF_SPECS.
8440         (SUBTARGET_LINK_SPEC): New macro.
8441         (IRIX_STARTFILE_SPEC): Fold into...
8442         (STARTFILE_SPEC): ...here.  Remove !mabi=* case.
8443         (SUBTARGET_{,DONT_}WARN_UNUSED_SPEC): New macros.
8444         (LIB_SPEC, LIBGCC_SPEC): Use them.
8445         (LIB_SPEC): Remove !mabi=* case.
8446         (IRIX_ENDFILE_SPEC): Fold into...
8447         (ENDFILE_SPEC): ...here.  Remove !mabi=* case.
8448         * config/mips/mips-protos.h (irix_output_external_libcall): Delete.
8449         * config/mips/mips.h (TARGET_IRIX5, TARGET_SGI_O32_AS): Delete.
8450         (TARGET_IRIX6): New macro.
8451         (ASM_ABI_DEFAULT_SPEC): Remove !ELF definition.
8452         (MD_EXEC_PREFIX, MD_STARTFILE_PREFIX, SET_FILE_NUMBER)
8453         (LABEL_AFTER_LOC): Delete.
8454         * config/mips/mips.c (TARGET_ASM_FILE_START, TARGET_ASM_FILE_END)
8455         (TARGET_SECTION_TYPE_FLAGS): Remove TARGET_IRIX versions.
8456         (mips_build_builtin_va_list): Check TARGET_IRIX6.
8457         (override_options): Remove TARGET_SGI_O32_AS-related code.
8458         (irix_output_external_libcall): Make static.
8459         (mips_output_filename): Avoid use of SET_FILE_NUMBER and
8460         LABEL_AFTER_LOC.
8461         (mips_file_start): Tidy guard for ABI sections.  Remove use of
8462         ABICALLS_ASM_OP; use .abicalls instead.
8463         (mips_output_aligned_decl_common, mips_declare_object_name)
8464         (mips_finish_declare_object): Remove use of TARGET_SGI_O32_AS.
8465         (mips_output_function_prologue): Set TREE_ASM_WRITTEN if emitting
8466         .globl foo .text directives.
8467         (irix_asm_named_section_1, irix_asm_named_section)
8468         (irix_section_align_entry, irix_section_align_htab)
8469         (irix_orig_asm_out_file, irix_section_align_entry_eq)
8470         (irix_section_align_entry_hash, irix_asm_output_align)
8471         (irix_file_start, irix_section_align_1, copy_file_data)
8472         (irix_file_end, irix_section_type_flags): Delete.
8473         * config/mips/irix-crti.asm (__gcc_init): Move to .gcc_init section.
8474         Use standard section syntax.  Remove protective "jr $31".
8475         (__gcc_fini): Likewise .gcc_fini.
8476         * config/mips/irix-crtn.asm: Adjust sections accordingly.
8477         * config/mips/sdb.h (PUT_SDB_SIZE, PUT_SDB_TYPE): Moved from
8478         iris5gas.h.
8479         * config/mips/t-iris (irix-crti.o, irix-crtn.o): New rules, moved
8480         from t-irix-gld.
8481         (EXTRA_MULTILIB_PARTS): Define.
8482         * config/mips/t-iris6: Remove bogus comment.
8483         (EXTRA_MULTILIB_PARTS, CRTSTUFF_T_CFLAGS): Delete.
8484         * config/mips/iris5gas.h, config/mips/iris5gld.h,
8485         config/mips/iris6gas.h, config/mips/iris6gld.h,
8486         config/mips/t-iris5-as, config/mips/t-iris5-gas
8487         config/mips/t-irix-gld: Delete.
8488         * config/mips/iris.h: New file.
8489         * config/mips/t-slibgcc-irix: Renamed from t-iris5-6.
8490
8491 2004-08-20  Richard Earnshaw  <rearnsha@arm.com>
8492
8493         * postreload.c (reload_cse_move2add): Allow any condjump, but check
8494         that the implicit set isn't clobbered in the jump insn.
8495
8496 2004-08-19  Mark Mitchell  <mark@codesourcery.com>
8497
8498         * defaults.h (TARGET_LIBGCC_LIBFUNCS): Remove.
8499         * optabs.c (init_optabs): Don't check it.
8500         * config/arm/bpabi.h (TARGET_LIBGCC_LIBFUNCS): Do not define.
8501         * doc/tm.texi (TARGET_LIBGCC_FUNCS): Remove.
8502
8503 2004-08-18  Andreas Krebbel  <krebbel1@de.ibm.com>
8504
8505         * config/s390/s390.md (s390_warn_framesize_string)
8506         (s390_warn_dynamic_string, s390_stack_size_string)
8507         (s390_stack_guard_string): New global string variables.
8508         (s390_warn_framesize, s390_warn_dynamicstack_p, s390_stack_size)
8509         (s390_stack_guard): New global variables.
8510         (override_options): Added checks for the new options.
8511         (s390_emit_prologue): Emit stack check and trap code and perform
8512         compile time stack size checking.
8513
8514         * config/s390/s390.h (TARGET_OPTIONS): Added new options
8515         "warn-framesize", "warn-dynamicstack", "stack-size" and
8516         "stack-guard".
8517
8518         * doc/invoke.texi: Added documentation for the new options.
8519
8520 2004-08-19  Ulrich Weigand  <uweigand@de.ibm.com>
8521
8522         * unwind-dw2-fde.c (get_cie_encoding): Cast argument to strlen
8523         to eliminate warning.
8524         (linear_search_fdes): Declare p as unsigned.
8525         (binary_search_mixed_encoding_fdes): Likewise.
8526         * unwind-dw2.c (get_cie_encoding): Cast argument to strlen
8527         to eliminate warning.
8528         * config/s390/linux.h (MD_FALLBACK_FRAME_STATE_FOR): Add missing
8529         type cast.
8530
8531 2004-08-19  Ulrich Weigand  <uweigand@de.ibm.com>
8532
8533         * config/s390/s390-protos.h (preferred_la_operand_p): Adapt prototype.
8534         * config/s390/s390.c (preferred_la_operand_p): Accept two operands
8535         instead of one.  Check for strictly legitimate address.
8536         * config/s390/s390.md ("*la_31"/"*la_64" peepholes): Adapt call
8537         to preferred_la_operand_p, do not call gen_rtx_PLUS in predicate.
8538
8539 2004-08-19  Eric Christopher  <echristo@redhat.com>
8540
8541         * langhooks-def.h (LANG_HOOKS_UNSAVE_EXPR_NOW): Remove.
8542         * langhooks.h (unsave_expr_now): Ditto.
8543         * tree.h (unsave_expr_1): Remove prototype.
8544         (lhd_unsave_expr_now): Rename to unsave_expr_now.
8545         * tree-inline.c (unsave_expr_1): Move here
8546         from tree.c. Make static.
8547         (unsave_expr_now): Rename from lhd_unsave_expr_now.
8548         * tree-sra.c: Fix up for rename.
8549         * tree-ssa-copy.c: Ditto.
8550         * tree-eh.c: Ditto.
8551         * tree.c (unsave_expr_1): Move to tree-inline.c.
8552
8553 2004-08-19  Caroline Tice  <ctice@apple.com>
8554
8555         * config/i386/cygming.h (switch_to_section):  Fix typo (change
8556         in_unlikely_text_section to in_unlikely_executed_text).
8557
8558 2004-08-19  Daniel Berlin  <dberlin@dberlin.org>
8559
8560         * vec.h (VEC_lower_bound): New macro.
8561
8562 2004-08-19  Richard Sandiford  <rsandifo@redhat.com>
8563
8564         PR target/16446
8565         * config/mips/mips.c (struct mips_arg_info): Delete num_bytes.
8566         (mips_arg_info): Update accordingly.  Remove common treatment of fpr_p;
8567         treat each ABI separately.  Deal with n32/n64 complex float arguments.
8568         (function_arg): Add associated complex handling here.
8569
8570 2004-08-19  Richard Henderson  <rth@redhat.com>
8571
8572         * config/arm/arm.c (arm_gen_load_multiple): Use
8573         adjust_automodify_address.  Take base memory and offset instead
8574         of unchanging/struct/scalar bits.
8575         (arm_gen_store_multiple): Likewise.
8576         (arm_gen_movmemqi): Use adjust_automodify_address.
8577         * config/arm/arm-protos.h: Update decls.
8578         * config/arm/arm.md (load_multiple): Update arm_gen_load_multiple call.
8579         (store_multiple): Similarly.
8580
8581 2004-08-19  J"orn Rennecke <joern.rennecke@superh.com>
8582
8583         * regclass.c (globalize_reg): Update call_really_used_regs.
8584
8585 2004-08-19  Nathan Sidwell  <nathan@codesourcery.com>
8586
8587         * doc/invoke.texi (integer-share-limit): Document.
8588
8589         * tree.h (TYPE_CACHED_VALUES_P): New.
8590         (TYPE_CACHED_VALUES): New.
8591         (TYPE_ORIG_SIZE_TYPE): Adjust.
8592         * tree.def (INTEGER_CST): Update documentation.
8593         * tree.c: Inlcude params.h.
8594         (build_int_cst): Cache small values.
8595         (build_type_copy): Do not copy the value cache.
8596         * c-common.c (c_common_nodes_and_builtins): Add comment, remove
8597         unneeded zeroing.
8598         * c-typeck.c (build_c_cast): Add comment about OVERFLOW setting.
8599         * expmed.c (const_mult_add_overflow_p): Clear type copy's value
8600         cache.
8601         * fold-const.c (force_fit_type): Copy value when setting
8602         overflows.
8603         (int_const_binop): Likewise.
8604         * stor-layout.c: Include params.h
8605         (set_sizetype): Create values cache.
8606         (fixup_unsigned_type): Set UNSIGNED_P before caching any values.
8607         * params.def (PARAM_INTEGER_SHARE_LIMIT): New.
8608         * params.h (INTEGER_SHARE_LIMIT): New.
8609         * Makefile.in (tree.o, stor-layout.o): Depend on PARAMS_H.
8610
8611 2004-08-19  Paolo Bonzini  <bonzini@gnu.org>
8612
8613         * gimplify.c (gimplify_minimax_expr): Remove.
8614         (gimplify_expr) <MIN_EXPR, MAX_EXPR>: Remove special handling.
8615
8616 2004-08-19  Dorit Naishlos  <dorit@il.ibm.com>
8617
8618         * tree-vectorizer.c (vect_can_force_dr_alignment_p): Replace
8619         STACK_BOUDARY with PREFERRED_STACK_BOUNDARY.
8620
8621 2004-08-19  Mark Mitchell  <mark@codesourcery.com>
8622
8623         * bpabi.h (FPUTYPE_DEFAULT): Set it to FPUTYPE_VFP.
8624
8625 2004-08-18  Andrew Pinski  <apinski@apple.com>
8626
8627         * varasm.c (ecode_reg_name): Do nothing if the asmspec is empty.
8628
8629 2004-08-18  Mark Mitchell  <mark@codesourcery.com>
8630
8631         * config/arm/bpabi.c (__aeabi_ul2d): Give it default visibility.
8632         (__aeabi_ul2f): Likewise.
8633
8634 2004-08-18  Richard Henderson  <rth@redhat.com>
8635
8636         * config/xtensa/xtensa.c (xtensa_expand_block_move): Expand block
8637         move to rtl completely.
8638         (struct meminsnbuf, xtensa_emit_block_move): Remove.
8639         (xtensa_find_mode_for_size): Remove.
8640         * config/xtensa/xtensa-protos.h (xtensa_emit_block_move): Remove.
8641         * config/xtensa/xtensa.md (movmemsi_internal): Remove.
8642
8643 2004-08-18  Richard Henderson  <rth@redhat.com>
8644
8645         * config/mcore/mcore.c (mode_from_align): Remove DImode.
8646         (block_move_sequence): Rewrite to use adjust_address.
8647         (mcore_expand_block_move): Cleanup logic.  Accept only operands.
8648         Return boolean indicating success/failure.
8649         * config/mcore/mcore-protos.h (mcore_expand_block_move): Update decl.
8650         * config/mcore/mcore.md (movmemsi): Update to match.
8651
8652 2004-08-18  Mike Stump  <mrs@apple.com>
8653
8654         * doc/invoke.texi (-mfix-and-continue): Add support for
8655         fast turn around debugging.
8656         (-ffix-and-continue): Likewise.
8657         (-mindirect-data): Likewise.
8658         (-findirect-data): Likewise.
8659         * config/darwin.c (TARGET_FIX_AND_CONTINUE): Likewise.
8660         (indirect_data): Likewise.
8661         (machopic_data_defined_p): Likewise.
8662         (machopic_output_indirection): Likewise.
8663         (darwin_encode_section_info): Likewise.
8664         (darwin_fix_and_continue): Likewise.
8665         (darwin_fix_and_continue_switch): Likewise.
8666         * config/darwin.h (MACHO_SYMBOL_STATIC): Likewise.
8667         * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Likewise.
8668         (SUBTARGET_OPTION_TRANSLATE_TABLE): Likewise.
8669         (SUBTARGET_OPTIONS): Likewise.
8670         (darwin_fix_and_continue): Likewise.
8671         (darwin_fix_and_continue_switch): Likewise.
8672         (TARGET_FIX_AND_CONTINUE): Likewise.
8673         * config/rs6000.c (rs6000_emit_prologue): Likewise.
8674
8675 2004-08-19  Steven Bosscher  <stevenb@suse.de>
8676
8677         * basic-block.h (struct edge_def): Remove crossing_edge.
8678         (EDGE_CROSSING): New define.
8679         (EDGE_ALL_FLAGS): Update.
8680         * bb-reorder.c (find_traces_1_round, better_edge_p,
8681         find_rarely_executed_basic_blocks_and_cr, fix_up_fall_thru_edges,
8682         find_jump_block, fix_crossing_conditional_branches,
8683         fix_crossing_unconditional_branches, add_reg_crossing_jump_notes):
8684         Replace all occurences of crossing_edge with an edge flag check
8685         or set/reset.
8686         * cfgcleanup.c (try_simplify_condjump, try_forward_edges,
8687         try_crossjump_bb): Likewise.
8688         * cfglayout.c (fixup_reorder_chain): Likewise.
8689         * cfgrtl.c (force_nonfallthru_and_redirect,
8690         commit_one_edge_insertion): Likewise.
8691
8692         * Makefile.in (cfganal.o): Depend on TIMEVAR_H.
8693         * tree-flow.h (compute_dominance_frontiers): Move prototype...
8694         * basic-block.h:  ...here.
8695         * tree-cfg.c (compute_dominance_frontiers_1,
8696         compute_dominance_frontiers): Move from here...
8697         * cfganal.c: ...to here.  Include timevar.h.
8698
8699 2004-08-18  James E Wilson  <wilson@specifixinc.com>
8700
8701         * config/mips/mips.h (ASM_SPEC): In comment, change -meabi= to -mabi=.
8702         * config/mips/sb1.md (ir_sb1_divsf_1pipe): Renamed from ...1pipes.
8703
8704         * config/mips/mips.md (type): Add frdiv.
8705         (divsf3+1, divsf3+2): Change type to frdiv.
8706         * config/mips/sb1.md (ir_sb1_recipsf_2pipes, ir_sb1_recipsf_1pipe,
8707         ir_sb1_recipdf_2pipes, ir_sb1_recipdf_1pipe): New.
8708
8709         * config/mips/3000.md (r3k_fdiv_single, r3k_fdiv_double): Add frdiv.
8710         * config/mips/4300.md (r4300_fdiv_single, r4300_fdiv_double): Likewise.
8711         * config/mips/4600.md (r4600_fdiv_single, f4600_fdiv_double): Likewise.
8712         * config/mips/5000.md (r5k_fdiv_single): Likewise.
8713         * config/mips/5400.md (ir_vr54_fdiv_sf, ir_vr54_fdiv_df): Likewise.
8714         * config/mips/5500.md (ir_vr55_fdiv_sf, ir_vr55_fdiv_df): Likewise.
8715         * config/mips/6000.md (r6k_fdiv_single, r6k_fdiv_double): Likewise.
8716         * config/mips/7000.md (rm7_fp_divsqrt_df, rm7_fp_divsqrt_sf): Likewise.
8717         * config/mips/9000.md (rm8k_fdivs, rm9k_fdivd): Likewise.
8718         * config/mips/generic.md (generic_fdiv_single, generic_fdiv_double):
8719         Likewise.
8720         * config/mips/sr71k.md (ir_sr70_fdiv_sf, ir_sr70_fdiv_df): Likewise.
8721
8722 2004-08-18  Robert Bowdidge <bowdidge@apple.com>
8723
8724         * config/rs6000/x-darwin: Remove XCFLAGS -mdynamic-no-pic to
8725         get regression tester working again.
8726
8727 2004-08-18  Zack Weinberg  <zack@codesourcery.com>
8728
8729         * insn-notes.def, reg-notes.def: New files.
8730         * rtl.h: Use them to define enum insn_note and enum reg_note.
8731         * rtl.c: Use them to define note_insn_name and reg_note_name.
8732         * Makefile.in (RTL_BASE_H): Update.
8733
8734         * modulo-sched.c, sched-rgn.c, final.c: NOTE_DISABLE_SCHED_OF_BLOCK
8735         renamed to NOTE_INSN_DISABLE_SCHED_OF_BLOCK.
8736
8737 2004-08-18  Richard Earnshaw  <rearnsha@arm.com>
8738
8739         * arm.c (arm_size_rtx_costs): New function.
8740         (arm_override_options): Use it if optimizing for space.
8741
8742 2004-08-18  Richard Henderson  <rth@redhat.com>
8743
8744         * emit-rtl.c (gen_const_mem): New.
8745         * rtl.h (gen_const_mem): Declare.
8746         * expr.c (do_tablejump): Use it.
8747         * varasm.c (force_const_mem): Likewise.
8748         * config/darwin.c (machopic_indirect_data_reference): Likewise.
8749         (machopic_legitimize_pic_address): Likewise.
8750         * config/arm/arm.c (legitimize_pic_address): Likewise.
8751         * config/i386/i386.c (legitimize_pic_address): Likewise.
8752         (legitimize_tls_address): Likewise.
8753         * config/ia64/ia64.c (ia64_expand_tls_address): Likewise.
8754         * config/ia64/ia64.md (load_fptr): Likewise.
8755         * config/m32r/m32r.c (m32r_legitimize_pic_address): Likewise.
8756         * config/pa/pa.c (legitimize_pic_address): Likewise.
8757         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Likewise.
8758         (rs6000_emit_move): Likewise.
8759         * config/s390/s390.c (legitimize_pic_address): Likewise.
8760         (legitimize_tls_address): Likewise.
8761         * config/s390/s390.md (casesi): Likewise.
8762         * config/sh/sh.c (sh_reorg): Likewise.
8763         * config/sparc/sparc.c (legitimize_pic_address): Likewise.
8764         * config/v850/v850.md (casesi): Likewise.
8765
8766         * config/darwin.c (machopic_indirect_call_target): Set MEM_NOTRAP_P.
8767         * config/sh/sh.c (prepare_move_operands): Remove incorrect
8768         use of MEM_READONLY_P.
8769
8770 2004-08-18  Steven Bosscher  <stevenb@suse.de>
8771
8772         * Makefile.in (OBJS-common): Add postreload-gcse.c.
8773         Add new postreload-gcse.o.
8774         * cse.c (SAFE_HASH): Define as wrapper around safe_hash.
8775         (lookup_as_function, insert, rehash_using_reg, use_related_value,
8776         equiv_constant): Use SAFE_HASH instead of safe_hash.
8777         (exp_equiv_p): Export.  Add for_gcse argument when comparing
8778         for GCSE.
8779         (lookup, lookup_for_remove, merge_equiv_classes, find_best_addr,
8780         find_comparison_args, fold_rtx, cse_insn): Update callers.
8781         (hash_rtx): New function derived from old canon_hash and bits
8782         from gcse.c hash_expr_1.
8783         (canon_hash_string): Rename to hash_rtx_string.
8784         (canon_hash, safe_hash): Make static inline.  Call hash_rtx.
8785         * cselib.c (hash_rtx): Rename to cselib_hash_rtx.
8786         (cselib_lookup): Update this caller.
8787         * gcse.c (modify_mem_list_set, canon_modify_mem_list_set):
8788         Make static.
8789         (hash_expr): Call hash_rtx.
8790         (ldst_entry): Likewise.
8791         (expr_equiv_p): Call exp_equiv_p.
8792         (struct unoccr, hash_expr_1, hash_string_1, lookup_expr,
8793         reg_used_on_edge, reg_set_between_after_reload_p,
8794         reg_used_between_after_reload_p, get_avail_load_store_reg,
8795         is_jump_table_basic_block, bb_has_well_behaved_predecessors,
8796         get_bb_avail_insn, hash_scan_set_after_reload,
8797         compute_hash_table_after_reload,
8798         eliminate_partially_redundant_loads, gcse_after_reload,
8799         get_bb_avail_insn, gcse_after_reload_main): Remove.
8800         * postreload-gcse.c: New file, reincarnating most of the above.
8801         * rtl.h (exp_equiv_p, hash_rtx): New prototypes.
8802         (gcse_after_reload_main): Update prototype.
8803         * timevar.def (TV_GCSE_AFTER_RELOAD): New timevar.
8804         * passes.c (rest_of_handle_gcse2): Use it.
8805
8806 2004-08-18  Diego Novillo  <dnovillo@redhat.com>
8807
8808         * tree-ssa-loop.c (pass_loop_init): Add TODO_dump_func.
8809         (pass_loop_done): Likewise.
8810
8811 2004-08-18  Andrew Pinski  <apinski@apple.com>
8812
8813         * config/rs6000/darwin.md: Delete the altivec patterns which are
8814         handled differently now.
8815         (load_macho_picbase_di): Make sure that is only happens for TARGET_64BIT
8816         (macho_correct_pic_di): Likewise.
8817         (call_indirect_nonlocal_darwin64): Likewise.
8818         Delete the save world/saveFP/saveVec patterns.
8819
8820         Revert the reversion of: 2004-08-16  Stan Shebs  <shebs@apple.com>
8821         * config/darwin.c (macho_indirect_data_reference): Add DImode case.
8822         * config/rs6000/rs6000.md: Include darwin.md.
8823         (builtin_setjmp_receiver): Add DImode case.
8824         * config/rs6000/rs6000.c (rs6000_emit_move): Add DImode case to
8825         Darwin bits.
8826
8827 2004-08-18  Matt Austern  <austern@apple.com>
8828
8829         Dead code stripping
8830         * darwin.h (EH_FRAME_SECTION_ATTR): Mark so it doesn't get stripped.
8831         * darwin.c (darwin_file_end): Mark file as potentially strippable.
8832
8833 2004-08-18  Richard Henderson  <rth@redhat.com>
8834
8835         * alias.c (readonly_fields_p): Remove.
8836         (objects_must_conflict_p): Don't call it.
8837         * tree.h (readonly_fields_p): Remove.
8838         * langhooks.h (struct lang_hooks): Remove honor_readonly.
8839         * langhooks-def.h (LANG_HOOKS_HONOR_READONLY): Remove.
8840
8841 2004-08-18  Diego Novillo  <dnovillo@redhat.com>
8842
8843         * tree-dfa.c (add_referenced_var): Only global variables are
8844         call-clobbered.
8845         * tree-flow.h (struct ptr_info_def): Add field pt_global_mem.
8846         * tree-ssa-alias.c (compute_points_to_and_addr_escape): Mark
8847         all pointers dereferenced if the statement dereferences them.
8848         (create_name_tags): Do not create memory tags for pointers
8849         that have PT_ANYTHING set.
8850         Also check if PT_VARS is not empty before creating a name tag.
8851         (compute_flow_sensitive_aliasing): Don't mark call-clobbered
8852         variables that share the same alias set with a pointer that
8853         may point anywhere.
8854         (add_may_alias): Add FIXME comment to remove clobbering
8855         aliased variables and tags.
8856         (replace_may_alias): Likewise.
8857         (set_pt_anything): Do not clear PT_VARS nor IS_DEREFERENCED.
8858         (merge_pointed_to_info): If the original variable has not
8859         points-to information, call set_pt_anything.
8860         (add_pointed_to_var): Do not prevent adding a pointed-to
8861         variable if the pointers is PT_ANYTHING.
8862         If the variable is a global, set PT_GLOBAL_MEM.
8863         (collect_points_to_info_r): Don't assume that PLUS_EXPRs of
8864         pointer type only come in PTR+OFFSET flavours.
8865         Always call merge_pointed_to_info on PHI arguments that are
8866         SSA_NAMEs.
8867         (get_nmt_for): Mark call-clobbered tags whose pointer points
8868         to global memory.
8869         * tree-ssa-operands.c (opf_kill_def, opf_no_vops): Switch
8870         values.
8871         (get_indirect_ref_operands): Always clear OPF_KILL_DEF from
8872         FLAGS.
8873         (add_stmt_operand): Abort if the caller tried to add a killing
8874         definition for a memory tag.
8875         * tree-ssa.c (verify_flow_sensitive_alias_info): Remove
8876         unnecessary checks.
8877
8878 2004-08-18  J"orn Rennecke <joern.rennecke@superh.com>
8879
8880         * sh.h (CONDITIONAL_REGISTER_USAGE): Don't exclude fixed registers
8881         from call_used_regs.  Update call_really_used_regs.
8882         (CALL_REALLY_USED_REGISTERS): Define.
8883         * sh.c (output_stack_adjust, shmedia_target_regs_stack_space):
8884         Replace call_used_regs with call_really_used_regs.
8885         (calc_live_regs, sh_media_register_for_return): Likewise.
8886         (sh5_schedule_saves, sh_expand_prologue, reg_unused_after): Likewise.
8887         * sh.md (return_media): Likewise.
8888
8889 2004-08-18  Andrew Pinski  <apinski@apple.com>
8890
8891         * config/darwin.c (machopic_legitimize_pic_address): Only set
8892         MEM_READONLY_P in the non TARGET_TOC case.
8893
8894 2004-08-18  Zack Weinberg  <zack@codesourcery.com>
8895
8896         * rtl.def (NIL): Delete.
8897         * read-rtl.c (read_rtx): Handle (nil) like (define_constants).
8898         Tighten the syntax a little.
8899
8900         * cfgloop.h, combine.c, cse.c, loop-iv.c, postreload.c, reload.c
8901         * config/alpha/alpha.c, config/alpha/alpha.h, config/arc/arc.h
8902         * config/arm/arm.h, config/frv/frv.h, config/i386/i386.c
8903         * config/i386/predicates.md, config/m32r/m32r.h
8904         * config/m68hc11/m68hc11.c, config/mcore/mcore.h, config/mips/mips.c
8905         * config/mmix/mmix.c, config/pa/pa.h, config/sh/sh.h
8906         * config/sparc/sparc.h, doc/tm.texi:
8907         Replace all occurrences of NIL with UNKNOWN.
8908
8909 2004-08-18  Zack Weinberg  <zack@codesourcery.com>
8910
8911         * dojump.c (do_jump <unordered_bcc>): Do not recursively call
8912         self with a TRUTH_ORIF_EXPR; generate the appropriate jump
8913         sequence inline.  Move drop_through_label code into this
8914         block, being the only place it is used.  Adjust comments.
8915
8916 2004-08-18  Fariborz Jahanian <fjahanian@apple.com>
8917
8918         * config/rs6000/altivec.md: Add new patterns for calls to
8919         save_world/rest_world functions.
8920
8921         * config/rs6000/rs6000-protos.h: (save_world_operation,
8922         restore_world_operation) new declarations.
8923
8924         * config/rs6000/rs6000.c: (struct rs6000_stack) new world_save_p
8925         field added.
8926         (rs6000_stack_info): Set world_save_p field.
8927         (save_world_operation): New function.
8928         (restore_world_operation): New function.
8929         (compute_save_world_info): New function.
8930         (rs6000_stack_info): Call compute_save_world_info.
8931         (rs6000_emit_prologue): Check for world_save_p and generate
8932         pattern to call save_world for saving all non-volatile and
8933         special registers.
8934         (rs6000_emit_epilogue): Check for world_save_p and generate
8935         pattern to call rest_world to restore saved registers.
8936
8937         config/rs6000/rs6000.h: macros FIRST_SAVED_ALTIVEC_REGNO,
8938         FIRST_SAVED_FP_REGNO, FIRST_SAVED_GP_REGNO defined.
8939         (rs6000_reg_names): New entries added for save_world_operation and
8940         restore_world_operation.
8941
8942 2004-08-18  Caroline Tice  <ctice@apple.com>
8943
8944         * Makefile.in (STAGEFEEDBACK_FLAGS_TO_PASS) Add
8945         "-freorder-blocks-and-partition" to the flags used in second
8946         stage of profiledbootstrap.
8947         * bb-reorder.c (push_to_next_round_p): Add new variable,
8948         next_round_is_last; set and use variable to make sure, when
8949         partitioning, that the last trace construction round consists
8950         of all (and only) cold basic blocks.
8951         (rotate_loop): Don't copy blocks that end in a section
8952         crossing jump.
8953         (copy_bb): Correctly initialize "partition" of duplicated bb.
8954         (add_unlikely_executed_notes): Add a comment.
8955         (find_rarely_executed_basic_blocks_and_crossing_edges): Modify
8956         to make sure, if function contains hot blocks, that the
8957         successors of ENTRY_BLOCK_PTR are hot; also, only look for
8958         crossing edges if the architecture supports named sections.
8959         (mark_bb_for_unlikely_executed_section): Modify to always
8960         insert the NOTE_INSN_UNLIKELY_EXECUTED_CODE immediately after
8961         the basic block note insn.
8962         (fix_crossing_unconditional_branches): Remove extra space.
8963         (fix_edges_for_rarely_executed_code): Modify to only do
8964         partitioning work if the architecture supports named sections.
8965         (reorder_basic_blocks): Modify to only add
8966         NOTE_INSN_UNLIKELY_EXECUTED_CODE notes if the architecture
8967         supports named sections.
8968         * c-common.c (handle_section_attribute): Initialize new global
8969         variable, user_defined_section_attribute, to true if user has
8970         specified one.
8971         * cfgcleanup.c (try_forward_edges): Modify to not attempt to
8972         forward edges that cross section boundaries.
8973         * cfglayout.c (fixup_reorder_chain): Modify to only fix up
8974         partitioning information if the architecture supports named
8975         sections.
8976         * cfgrtl.c (target.h): Add statement to include this.
8977         (rtl_split_block): Make sure newly created bb gets correct
8978         partition.
8979         (try_redirect_by_replacing_jump): Make sure redirection isn't
8980         attempting to cross section boundaries.
8981         (force_nonfallthru_and_redirect): Only do partition fix up if
8982         architecture supports named sections.
8983         (rtl_split_edge): Make sure newly created bb ends up in
8984         correct partition.
8985         (commit_one_edge_insertion): Remove code that incorrectly
8986         updated basic block partition; Make sure partition fix up only
8987         happens if architecture supports named sections and it's not
8988         already done.
8989         (rtl_verify_flow_info_1): Fix if-condition on test/error
8990         condition that fallthru edges are not allowed to cross section
8991         boundaries.
8992         * defaults.h (NORMAL_TEXT_SECTION_NAME): Remove this.
8993         * final.c (final_scan_insn): Remove redundant test from if-statement;
8994         change calls to text_section into calls to function_section; add code
8995         to only to partitioning fix up if architecture supports named
8996         sections.
8997         * ifcvt.c (find_if_case_1): Make sure newly created bb has correct
8998         partition.
8999         (if_convert): Add targetm.have_named_sections to test.
9000         * output.h (unlikely_section_label): Extern declaration for new global
9001         variable.
9002         (unlikely_text_section_name): Likewise.
9003         * opts.c (decode_options): If both partitioning and DWARF debugging
9004         are turned on, issue a warning that this doesn't work, and change
9005         partitiong to basic block reordering (without hot/cold partitions).
9006         * passes.c (rest_of_handle_final): Re-set new global variable,
9007         user_defined_section_attribute, to false.
9008         (rest_of_compilation): Change options for calling partitioning
9009         function: Don't call if the user defined the section attribute, and
9010         don't call if DECL_ONE_ONLY is true for the current function.
9011         * predict.c (choose_function_section): Return immediately if we
9012         are doing hot/cold partitioning (i.e. let the basic block partitioning
9013         determine where the function belongs).
9014         * reg-stack.c (emit_swap_insn): Add condition to step over
9015         NOTE_INSN_UNLIKELY_EXECUTED_CODE notes.
9016         * toplev.c (user_defined_section_attribute): New global variable.
9017         * toplev.h (user_defined_section_attribute): Extern declaration
9018         for new global variable.
9019         * varasm.c (unlikely_section_label): New global variable.
9020         (unlikely_text_section_name): New global variable.
9021         (unlikely_text_section): Add code to initialize
9022         unlikely_text_section_name if necessary; modify to use
9023         unlikely_text_section_name and unlikely_section_label; also to use
9024         named_section properly.
9025         (in_unlikely_text_section):  Modify to work correctly with
9026         named_section and to use unlikely_text_section_name.
9027         (named_section):  Add code to work properly with cold section.
9028         (function_section): Clean up if-statement.
9029         * config/darwin.c (darwin_asm_named_section): Return to original
9030         code, removing use of SECTION_FORMAT_STRING.
9031         * config/arm/pe.h (switch_to_section):  Add case for
9032         in_unlikely_executed_text to switch statement.
9033         * config/i386/cygming.h (switch_to_section): Likewise.
9034         * config/i386/darwin.h (NORMAL_TEXT_SECTION_NAME): Remove.
9035         (SECTION_FORMAT_STRING): Likewise.
9036         * config/mcore/mcore.h (switch_to_section): Likewise.
9037         * config/rs6000/darwin.h (NORMAL_TEXT_SECTION_NAME): Remove.
9038         (SECTION_FORMAT_STRING): Remove.
9039
9040 2004-08-18  Roger Sayle  <roger@eyesopen.com>
9041
9042         * config/i386/i386.h (FIXED_REGISTERS): Update encoding to be
9043         -ffixed-reg safe, by preserving the meanings of zero and one.
9044         (CALL_USED_REGISTERS): Likewise.
9045         (CONDITIONAL_REGISTER_USAGE): Update to process new encodings.
9046
9047 2004-08-18  Kaz Kojima  <kkojima@gcc.gnu.org>
9048
9049         * config/sh/sh.c (split_branches): Check the result of
9050         next_active_insn.
9051         (sh_output_mi_thunk): Call init_flow if basic_block_info is null.
9052         Call rtl_register_cfg_hooks.
9053
9054 2004-08-18  Richard Henderson  <rth@redhat.com>
9055
9056         * rtl.h (MEM_READONLY_P): Replace RTX_UNCHANGING_P.
9057         * alias.c (true_dependence): Update to match new semantics.
9058         (canon_true_dependence, write_dependence_p): Likewise.
9059         (anti_dependence, output_dependence): Update write_dependence_p args.
9060         (unchanging_anti_dependence): Remove.
9061         * calls.c (purge_mem_unchanging_flag): Remove.
9062         (fixup_tail_calls): Don't call it.
9063         (expand_call): Don't add unchanging memory to function usage.
9064         * expr.c (emit_block_move_via_libcall): Likewise.
9065         (clear_storage_via_libcall): Don't clobber RTX_UNCHANGING_P mems.
9066         (get_subtarget): Don't use RTX_UNCHANGING_P.
9067         (expand_assignment, store_constructor, expand_expr_real_1): Likewise.
9068         (do_tablejump): Set MEM_READONLY_P, not RTX_UNCHANGING_P.
9069         * combine.c (get_last_value_validate): Use MEM_READONLY_P.
9070         * cse.c (insert): Don't use RTX_UNCHANGING_P.
9071         (cse_insn, canon_hash): Use MEM_READONLY_P.
9072         * emit-rtl.c (set_mem_attributes_minus_bitpos): Use MEM_READONLY_P
9073         instead of RTX_UNCHANGING_P.
9074         * explow.c (maybe_set_unchanging): Remove.
9075         * expr.h (maybe_set_unchanging): Remove.
9076         * flow.c (insn_dead_p, mark_used_regs): Use anti_dependence.
9077         * function.c (assign_stack_temp_for_type): Don't use RTX_UNCHANGING_P.
9078         (assign_parm_setup_reg, expand_function_start): Likewise.
9079         * integrate.c (copy_rtx_and_substitute): Likewise.
9080         * ra-rewrite.c (emit_colors): Likewise.
9081         * regmove.c (copy_src_to_dest, regmove_optimize): Likewise.
9082         (fixup_match_1): Likewise.
9083         * reload1.c (reload, alter_reg): Likewise.
9084         * local-alloc.c (validate_equiv_mem): Check MEM_READONLY_P,
9085         not RTX_UNCHANGING_P.
9086         (equiv_init_varies_p): Likewise.
9087         * loop-invariant.c (check_maybe_invariant): Likewise.
9088         * resource.c (mark_referenced_resources, mark_set_resources): Likewise.
9089         * loop.c (note_addr_stored): Likewise.
9090         (prescan_loop): Likewise. Don't check function usage for clobbered
9091         unchanging memory.
9092         * rtlanal.c (rtx_unstable_p): Check MEM_READONLY_P,
9093         not RTX_UNCHANGING_P.
9094         (rtx_varies_p, modified_between_p, modified_in_p): Likewise.
9095         * varasm.c (force_const_mem): Likewise.
9096         * stmt.c (expand_decl): Don't set RTX_UNCHANGING_P.
9097         * web.c (entry_register): Likewise.
9098         * tree-gimple.h (get_base_address): Move decl ...
9099         * tree.h: ... here.
9100         * doc/rtl.texi (MEM_READONLY_P): Replace RTX_UNCHANGING_P.
9101
9102         * config/alpha/alpha.c (alpha_set_memflags_1): Rewrite to be
9103         called via for_each_rtx.  Copy MEM_SCALAR_P, MEM_NOTRAP_P too.
9104         (alpha_set_memflags): Update to match.
9105
9106         * config/darwin.c (machopic_indirect_data_reference): Set
9107         MEM_READONLY_P instead of RTX_UNCHANGING_P.
9108         (machopic_indirect_call_target): Likewise.
9109         (machopic_legitimize_pic_address): Likewise.
9110         * config/arm/arm.c (legitimize_pic_address, arm_gen_load_multiple,
9111         arm_gen_store_multiple, arm_gen_movmemqi): Likewise.
9112         * config/arm/arm.md (load_multiple, store_multiple): Likewise.
9113         * config/frv/frv.md (symGOT2reg): Likewise.
9114         * config/i386/i386.c (legitimize_pic_address,
9115         legitimize_tls_address, ix86_split_to_parts): Likewise.
9116         * config/ia64/ia64.c (ia64_expand_tls_address): Likewise.
9117         * config/ia64/ia64.md (load_fptr): Likewise.
9118         * config/m32r/m32r.c (m32r_legitimize_pic_address): Likewise.
9119         * config/m68k/m68k.c (legitimize_pic_address): Likewise.
9120         * config/mcore/mcore.c (block_move_sequence): Likewise.
9121         * config/mn10300/mn10300.md (symGOT2reg): Likewise.
9122         * config/pa/pa.c (legitimize_pic_address): Likewise.
9123         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Likewise.
9124         (rs6000_emit_move): Likewise.
9125         * config/s390/s390.c (legitimize_pic_address): Likewise.
9126         (legitimize_tls_address): Likewise.
9127         * config/s390/s390.md (casesi): Likewise.
9128         * config/sh/sh.c (prepare_move_operands, sh_reorg): Likewise.
9129         * config/sh/sh.md (symGOT2reg): Likewise.
9130         * config/sparc/sparc.c (legitimize_pic_address): Likewise.
9131         * config/v850/v850.md (casesi): Likewise.
9132
9133         * config/ia64/ia64.c (gen_thread_pointer): Don't set RTX_UNCHANGING_P.
9134         * config/iq2000/iq2000.c (save_restore_insns): Likewise.
9135         * config/mips/mips.c (mips_restore_gp): Likewise.
9136         (mips_save_restore_reg, mips16_gp_pseudo_reg): Likewise.
9137         * config/sh/sh.c (sh_reorg): Likewise.
9138
9139 2004-08-18  Richard Henderson  <rth@redhat.com>
9140
9141         * tree.h (struct tree_decl): Add gimple_formal_temp.
9142         (DECL_GIMPLE_FORMAL_TEMP_P): New.
9143         * gimplify.c (pop_gimplify_context): Clear it.
9144         (lookup_tmp_var): Set it, if is_formal.
9145         (gimplify_init_constructor): Use rhs_predicate_for for COMPLEX.
9146         Use is_gimple_val for VECTOR.  Simplify return value.
9147         (gimplify_save_expr): Use and set DECL_GIMPLE_FORMAL_TEMP_P.
9148         (gimplify_expr): Likewise.
9149         * tree-gimple.c (is_gimple_formal_tmp_rhs): Rename from
9150         is_gimple_tmp_rhs for clarity.  Update all callers.
9151         (is_gimple_reg_rhs): Simplify logic.
9152         (is_gimple_formal_tmp_var): Rename from is_gimple_tmp_var for
9153         clarity; use DECL_GIMPLE_FORMAL_TEMP_P.
9154         (is_gimple_formal_tmp_reg): Similarly.
9155         * tree-gimple.h: Update decls.
9156         * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Use
9157         DECL_IGNORED_P, not DECL_ARTIFICIAL.  Tidy formatting.
9158         * tree-ssa-live.c (var_union, type_var_init): Likewise.
9159
9160 2004-08-18  Paolo Bonzini  <bonzini@gnu.org>
9161
9162         * c4x.c (legitimize_operands): Remove calls to
9163         preserve_subexpressions_p.
9164
9165 2004-08-18  David Edelsohn  <edelsohn@gnu.org>
9166
9167         * varasm.c (MAX_OFILE_ALIGNMENT): Move ...
9168         * defaults.h (MAX_OFILE_ALIGNMENT): ... here.
9169
9170 2004-08-18  Ziemowit Laski  <zlaski@apple.com>
9171
9172         * gcc.c (default_compilers): Add info about ".mm", ".M" and ".mii"
9173         Objective-C++ extensions.
9174         * gengtype.c (get_file_basename): Match entire subdirectory name
9175         ('cp', 'objc', 'objcp') rather than just its suffix.
9176         (get_base_file_bitmap): Allow for files to belong to more than one
9177         language.
9178         (get_output_file_with_visibility): Treat objc/objc-act.h as a header
9179         used by more than one front-end.
9180
9181 2004-08-18  Richard Earnshaw  <rearnsha@arm.com>
9182
9183         * arm.md (addsi3, subsi3, andsi3, iorsi3, movsi, movhi): Rework to
9184         avoid use of preserve_subexpressions_p.
9185
9186 2004-08-17  Richard Henderson  <rth@redhat.com>
9187
9188         PR 17051
9189         * tree-sra.c (scalarize_use): Mark all v_defs for !is_output too.
9190
9191 2004-08-17  DJ Delorie  <dj@redhat.com>
9192
9193         * doc/extend.texi: Document new xstormy16 attribute.
9194
9195         * config/stormy16/stormy16.c (xstormy16_splittable_below100_operand): New.
9196         (xstormy16_splittable_below100_or_register): New.
9197         (combine_bnp): New.
9198         (xstormy16_reorg): New.
9199         (TARGET_MACHINE_DEPENDENT_REORG): Define.
9200
9201         * config/stormy16/stormy16.md (movqi_internal): Make name public.
9202         (movhi_internal): Likewise.
9203         (cbhranchhi): Likewise.
9204         (cbhranchhi_neg): Likewise.
9205         (andhi3): Only allow splittable below100 operands.
9206         (iorhi3): Likewise.
9207         (peephole2): New and/zero_extend->and peephole.
9208         (peephole2): New load/ior/save->set1 peephole.
9209         (peephole2): New load/and/save->clr1 peephole.
9210         (bclrx, bclrx2, bclr7, bclr15): New.
9211         (bsetx, bsetx2, bset7, bset15): New.
9212
9213         * config/stormy16/stormy16.c (xstormy16_print_operand): Be more
9214         liberal about acceptable 'B' masks.
9215
9216         * config/stormy16/stormy16-protos.h
9217         (xstormy16_asm_output_aligned_common, xstormy16_below100_symbol,
9218         xstormy16_below100_operand, xstormy16_below100_or_register,
9219         xstormy16_onebit_set_operand, xstormy16_onebit_clr_operand): New.
9220         (PREDICATE_CODES): Add new predicates.
9221
9222         * config/stormy16/stormy16.c
9223         (xstormy16_asm_output_aligned_common, xstormy16_below100_symbol,
9224         xstormy16_below100_operand, xstormy16_below100_or_register,
9225         xstormy16_onebit_set_operand, xstormy16_onebit_clr_operand): New.
9226         (xstormy16_expand_iorqi3, xstormy16_expand_andqi3): New.
9227         (xstormy16_legitimate_address_p): Allow below100 symbols.
9228         (xstormy16_extra_constraint_p): Add 'W' for below100 operands.
9229         (xstormy16_expand_move): Leave below100 operands as-is.
9230         (xstormy16_encode_section_info): Encode below100 symbols.
9231         (xstormy16_strip_name_encoding): New.
9232         (xstormy16_print_operand): Print 'b' as shift mask.
9233         (xstormy16_attribute_table): Add below100 attributes.
9234         (xstormy16_handle_below100_attribute): New.
9235
9236         * config/stormy16/stormy16.h (EXTRA_SECTIONS): add in_bss100.
9237         (XSTORMY16_SECTION_FUNCTION): New.
9238         (EXTRA_SECTION_FUNCTIONS): Define using the above.
9239         (ASM_OUTPUT_ALIGNED_DECL_COMMON, ASM_OUTPUT_ALIGNED_DECL_LOCAL): New.
9240         (ASM_OUTPUT_SYMBOL_REF): Handle encoded symbols.
9241         (ASM_OUTPUT_LABELREF): Define.
9242
9243         * config/stormy16/stormy16.md (movqi_internal): Add below100 support.
9244         (movhi_internal): Add below100 support.
9245         (andhi3): Add below100 support.
9246         (iorhi3): Add below100 support.
9247         (iorqi3, iorqi3_internal, andqi3, andqi3_internal): New.
9248
9249 2004-08-17  James E Wilson  <wilson@specifixinc.com>
9250
9251         * config/mips/mips.c (gen_conditional_move): Use GET_MODE (op0) instead
9252         of VOIDmode for comparison code mode.
9253         * config/mips/mips.md: For conditional move patterns, use mode of
9254         first compare operand for comparison mode, instead of VOIDmode.
9255
9256         * config/mips/mips.md: Add canonical nmadd and nmsub patterns for both
9257         normal and -ffast-math code.
9258
9259 2004-08-17  Mark Mitchell  <mark@codesourcery.com>
9260
9261         PR c++/15871
9262         * doc/invoke.texi (-fkeep-inline-functions): Update documentation.
9263
9264 2004-08-17  Robert Bowdidge  <bowdidge@apple.com>
9265
9266         * config/rs6000/x-darwin: Add -mdynamic-no-pic to gcc build flags.
9267
9268 2004-08-17  Andreas Tobler  <a.tobler@schweiz.ch>
9269
9270         * config/rs6000/darwin.md (*call_nonlocal_darwin64): Add #else clause
9271         for non Darwin targets.
9272         (*call_value_nonlocal_darwin64): Likewise.
9273
9274 2004-08-17  Fariborz Jahanian <fjahanian@apple.com>
9275
9276         * config/rs6000/rs6000.c (rs6000_function_value): Check for
9277         altivec mode for altivec return register.
9278
9279 2004-08-17  David Edelsohn  <edelsohn@gnu.org>
9280
9281         Revert 2004-08-16  Stan Shebs  <shebs@apple.com>
9282         * config/darwin.c (macho_indirect_data_reference): Add DImode case.
9283         * config/rs6000/rs6000.md: Include darwin.md.
9284         (builtin_setjmp_receiver): Add DImode case.
9285         * config/rs6000/rs6000.c (rs6000_emit_move): Add DImode case to
9286         Darwin bits.
9287
9288 2004-08-17  Dorit Naishlos  <dorit@il.ibm.com>
9289
9290         * tree-vectorizer.c: New File: loop vectorization on SSAed GIMPLE
9291         trees.
9292         * tree-vectorizer.h: New File: Same.
9293         * Makefile.in (tree-vectorizer.c, tree-vectorizer.h): Add new files.
9294         * common.opt (ftree-vectorize): New flag to enable vectorization.
9295         * timevar.def (TV_TREE_VECTORIZATION): New dump file for
9296         vectorization pass.
9297         * tree-data-ref.h (init_data_ref): Additional argument.
9298         (array_base_name_differ_p): Moved to tree-data-ref.c.
9299         * tree-data-ref.c (array_base_name_differ_p): Revised.
9300         (initialize_data_dependence_relation): Call array_base_name_differ_p
9301         with an extra argument.
9302         (analyze_all_data_dependences): Same.
9303         (init_data_ref): Additional argument is_read to set DR_IS_READ.
9304         * tree-ssa-phiopt.c (empty_block_p): Expose for usage out of this
9305         file.
9306         * tree-flow.h (vectorize_loops, empty_block_p): Add declaration.
9307         * tree-optimize.c (pass_vectorize): Schedule the vectorization pass.
9308         * tree-pass.h (tree_opt_pass pass_vectorize): Declare the new
9309         vectorization pass.
9310         * tree-ssa-loop.c (tree_ssa_loop_init): Call scev_initialize.
9311         (tree_ssa_loop_done): Call scev_finalize.
9312         (tree_vectorize): Define the new vectorization pass.
9313         * defaults.h (UNITS_PER_SIMD_WORD): Allow targets to specify the
9314         size of the vector they support (until support for multiple vector
9315         sizes is added to the vectorizer).
9316         * config/i386/i386.h (UNITS_PER_SIMD_WORD): Define.
9317         * config/rs6000/rs6000.h (UNITS_PER_SIMD_WORD): Define.
9318         * invoke.texi (fdump-tree-vect, ftree-vectorize): Add
9319         documentation.
9320
9321 2004-08-17  Nathan Sidwell  <nathan@codesourcery.com>
9322
9323         * objc/objc-act.c (build_protocol_initializer): Fix build_int_cst
9324         usage.
9325         (generate_protocol_list, handle_impent): Likewise.
9326
9327 2004-08-17  Roger Sayle  <roger@eyesopen.com>
9328
9329         * regclass.c (init_reg_sets_1): Add ENABLE_CHECKING sanity tests to
9330         ensure that call_used_regs is a superset of both fixed_regs and
9331         call_really_used_regs.
9332
9333 2004-08-17  Daniel Bornstein  <danfuzz@milk.com>
9334
9335         PR target/17019
9336         * arm.md (addsi3_cbranch_scratch): Correct case labels.
9337
9338 2004-08-17  Paolo Bonzini  <bonzini@gnu.org>
9339
9340         PR middle-end/17036
9341         * fold-const.c (fold): Check for integer operand when
9342         folding (A >> N) & 1 ? (1 << N) : 0.  Fix from Andrew
9343         Pinski  <pinskia@physics.uc.edu>.
9344
9345 2004-08-17  Paolo Bonzini  <bonzini@gnu.org>
9346
9347         * configure.ac: Trust toplevel's notion of BISON/FLEX/MAKEINFO.
9348         No need to check if in a cross configuration.
9349         * configure: Regenerate.
9350
9351         * calls.c (precompute_register_parameters):
9352         Inline preserve_subexpressions_p ().
9353         * expmed.c (expand_mult_const, emit_store_flag): Likewise.
9354         * optabs.c (expand_binop, expand_twoval_binop, prepare_cmp_insn):
9355         Likewise.
9356         * expr.c (get_subtarget): Likewise.
9357         * rtl.h (preserve_subexpressions_p): Remove.
9358         * stmt.c (preserve_subexpressions_p): Remove.
9359
9360         * dojump.c (do_jump) <COND_EXPR, EQ_EXPR, NE_EXPR,
9361         TRUTH_ANDIF_EXPR, TRUTH_ORIF_EXPR, COMPOUND_EXPR>:
9362         Abort on gimplified cases.
9363
9364 2004-08-16  James E Wilson  <wilson@specifixinc.com>
9365
9366         * tree.h (VECTOR_FLOAT_TYPE_P): New.
9367         (FLOAT_TYPE_P): Use it.
9368         * c-typeck.c (build_binary_op): After convert calls, check for
9369         check for ERROR_MARK operands.
9370
9371 2004-08-16  Zack Weinberg  <zack@codesourcery.com>
9372
9373         * Makefile.in (BUILD_PREFIX, BUILD_PREFIX_1): Delete.
9374         (BUILD_RTL, BUILD_PRINT, BUILD_ERRORS, BUILD_VARRAY): Update.
9375         (genobjs): Add build-rtl.o, build-print-rtl.o, build-varray.o.
9376         (genobjs static pattern rule): Remove %.c dependency.
9377         ($(BUILD_PREFIX_1)rtl.o, print-rtl.o, $(BUILD_PREFIX_1)varray.o):
9378         Rename rules; delete commands; fix dependencies.
9379         (mostlyclean): Do not delete temporary source copies.
9380         * configure.ac: Delete all references to BUILD_PREFIX and
9381         BUILD_PREFIX_1.
9382         * configure: Regenerate.
9383
9384         * print-rtl.c: Include bconfig.h #ifdef GENERATOR_FILE.
9385         Do not include tree.h, real.h, flags.h, hard-reg-set.h, or
9386         basic-block.h #ifdef GENERATOR_FILE.  Surround some more code
9387         with #ifndef GENERATOR_FILE so that nothing from those headers
9388         is used.
9389
9390         * rtl.c, varray.c: Include bconfig.h #ifdef GENERATOR_FILE.
9391
9392 2004-08-16  Adam Nemet  <anemet@lnxw.com>
9393
9394         * Makefile.in (LIBS): Move $(LIBIBERTY) after $(BANSHEELIB).
9395
9396 2004-08-16  Andrew Pinski  <apinski@apple.com>
9397
9398         * target-def.h (TARGET_EH_RETURN_FILTER_MODE): Remove
9399         extraneous semicolon.
9400
9401 2004-08-16  Devang Patel  <dpatel@apple.com>
9402
9403         * c-common.c (handle_used_attribute): Set DECL_PRESERVE_P.
9404         * print-tree.c (print_node): Print DECL_PRESERVE_P.
9405         * target-def.h (TARGET_ASM_MARK_DECL_PRESERVED): New #define.
9406         (TARGET_ASM_OUT): New member, TARGET_ASM_MARK_DECL_PRESERVED
9407         * target.h (struct gcc_target): New member, mark_decl_preserved.
9408         * hooks.c (hook_void_charptr): Rename to ...
9409         (hook_void_constcharptr): ... new name.
9410         * hooks.h (hook_void_charptr): Rename to ..
9411         (hook_void_constcharptr): ... new name.
9412         * tree.h (DECL_PRESERVE_P): New #define.
9413         (struct tree_decl): New member, preserve_flag.
9414         * varasm.c (assemble_start_function): Mark decl preserved.
9415         (assemble_variable): Same.
9416         * darwin.c (darwin_mark_decl_preserved): New function.
9417         * darwin.h (TARGET_ASM_MARK_DECL_preserved): New #define.
9418         * darwin-protos.h (darwin_mark_decl_preserved): New decl.
9419         * doc/tm.texi (TARGET_ASM_MARK_DECL_PRESERVED): Document.
9420
9421 2004-08-16  Joseph S. Myers  <jsm@polyomino.org.uk>
9422
9423         * c-decl.c (grokdeclarator): Allow for function definition where
9424         innermost declarator has attributes.
9425
9426 2004-08-16  Fariborz Jahanian <fjahanian@apple.com>
9427
9428         * except.c (get_exception_filter, build_post_landing_pads,
9429         dw2_build_landing_pads): Use target-specific mode for 'filter'.
9430         * target-def.h (TARGET_EH_RETURN_FILTER_MODE): macro defined and used.
9431         * target.h (eh_return_filter_mode): New field added.
9432         * targhooks.c (default_eh_return_filter_mode): Defined.
9433         * targhooks.h (default_eh_return_filter_mode): Declared.
9434         * config/rs6000/rs6000.c (rs6000_eh_return_filter_mode): Defined.
9435
9436 2004-08-16  Nathanael Nerode  <neroden@gcc.gnu.org>
9437
9438         * configure.ac: Replace _GCC_TOPLEV_NONCANONICAL_TARGET with
9439         ACX_NONCANONICAL_TARGET; remove now-unneeded AC_SUBST.
9440         * configure: Regenerate.
9441
9442 2004-08-16  Stan Shebs  <shebs@apple.com>
9443
9444         Basic support for 64-bit Darwin.
9445         * config/darwin.c (macho_indirect_data_reference): Add DImode case.
9446         (machopic_legitimize_pic_address): Similarly, plus use Pmode
9447         instead of SImode.
9448         * config/rs6000/darwin.h (PTRDIFF_TYPE): Be "long int" if 64-bit.
9449         (TARGET_OS_CPP_BUILTINS): Add 64-bit preprocessor macro.
9450         (SUBTARGET_SWITCHES): Add -m32 and -m64 flags.
9451         (SUBTARGET_OVERRIDE_OPTIONS): Require 64-bit processor if -m64.
9452         (PROCESSOR_DEFAULT64): Define.
9453         * config/rs6000/darwin.md: New file, patterns specific to 64-bit
9454         Darwin.
9455         * config/rs6000/rs6000.md: Include darwin.md.
9456         (builtin_setjmp_receiver): Add DImode case.
9457         * config/rs6000/rs6000.c (TARGET_ASM_UNALIGNED_DI_OP): Define for
9458         Darwin.
9459         (TARGET_ASM_ALIGNED_DI_OP): Ditto.
9460         (rs6000_emit_move): Add DImode case to Darwin bits.
9461         (machopic_output_stub): Use .quad if 64-bit.
9462         * invoke.texi: Document -m32 and -m64.
9463
9464 2004-08-16  Janis Johnson  <janis187@us.ibm.com>
9465
9466         * doc/extend.texi (AltiVec builtins): Document additional differences
9467         from the Motorola AltiVec PIM.
9468
9469 2004-08-16  Nathan Sidwell  <nathan@codesourcery.com>
9470
9471         * c-typeck.c (build_c_cast): Only copy overflow from expr nodes.
9472         * tree.h (IS_NON_TYPE_CODE_CLASS): Simplify.
9473         (struct tree_common): Update public_flag documentation.
9474
9475 2004-08-16  Nathanael Nerode  <neroden@gcc.gnu.org>
9476
9477         * tree-ssa-copyrename.c (copy_rename_partition_coalesce):
9478         Check for artificial variables, not is_gimple_tmp_var.
9479         * tree-ssa-live.c (var_union): Likewise.
9480
9481 2004-08-16  Nathan Sidwell  <nathan@codesourcery.com>
9482
9483         * calls.c (load_register_parameters): Remove spurious FIXME token.
9484
9485 2004-08-15  Ziemowit Laski  <zlaski@apple.com>
9486
9487         * Makefile.in (C_PRETTY_PRINT_H): Add c-pretty-print.h.
9488         (c-lang.o): Depend on c-objc-common.h.
9489         (c-objc-common.o): Depend on $(C_PRETTY_PRINT_H) and
9490         c-objc-common.h; remove duplicate $(C_TREE_H) dependency.
9491         * c-lang.c: Include c-objc-common.h.
9492         (LANG_HOOKS_FINISH, LANG_HOOKS_INIT_OPTIONS,
9493         LANG_HOOKS_INITIALIZE_DIAGNOSTICS, LANG_HOOKS_HANDLE_OPTION,
9494         LANG_HOOKS_MISSING_ARGUMENT, LANG_HOOKS_POST_OPTIONS,
9495         LANG_HOOKS_GET_ALIAS_SET, LANG_HOOKS_SAFE_FROM_P,
9496         LANG_HOOKS_EXPAND_EXPR, LANG_HOOKS_MARK_ADDRESSABLE,
9497         LANG_HOOKS_PARSE_FILE, LANG_HOOKS_TRUTHVALUE_CONVERSION,
9498         LANG_HOOKS_FINISH_INCOMPLETE_DECL, LANG_HOOKS_UNSAFE_FOR_REEVAL,
9499         LANG_HOOKS_STATICP, LANG_HOOKS_SET_DECL_ASSEMBLER_NAME,
9500         LANG_HOOKS_NO_BODY_BLOCKS, LANG_HOOKS_WARN_UNUSED_GLOBAL_DECL,
9501         LANG_HOOKS_PRINT_IDENTIFIER, LANG_HOOKS_FUNCTION_ENTER_NESTED,
9502         LANG_HOOKS_FUNCTION_LEAVE_NESTED, LANG_HOOKS_DUP_LANG_SPECIFIC_DECL,
9503         LANG_HOOKS_DECL_UNINIT, LANG_HOOKS_RTL_EXPAND_STMT,
9504         LANG_HOOKS_COMMON_ATTRIBUTE_TABLE, LANG_HOOKS_FORMAT_ATTRIBUTE_TABLE,
9505         LANG_HOOKS_TREE_INLINING_CANNOT_INLINE_TREE_FN,
9506         LANG_HOOKS_TREE_INLINING_DISREGARD_INLINE_LIMITS,
9507         LANG_HOOKS_TREE_INLINING_ANON_AGGR_TYPE_P,
9508         LANG_HOOKS_TREE_INLINING_CONVERT_PARM_FOR_INLINING,
9509         LANG_HOOKS_TREE_INLINING_ESTIMATE_NUM_INSNS,
9510         LANG_HOOKS_TREE_DUMP_DUMP_TREE_FN,
9511         LANG_HOOKS_CALLGRAPH_EXPAND_FUNCTION, LANG_HOOKS_TYPE_FOR_MODE,
9512         LANG_HOOKS_TYPE_FOR_SIZE, LANG_HOOKS_SIGNED_TYPE,
9513         LANG_HOOKS_UNSIGNED_TYPE, LANG_HOOKS_SIGNED_OR_UNSIGNED_TYPE,
9514         LANG_HOOKS_INCOMPLETE_TYPE_ERROR, LANG_HOOKS_TYPE_PROMOTES_TO,
9515         LANG_HOOKS_REGISTER_BUILTIN_TYPE, LANG_HOOKS_WRITE_GLOBALS):
9516         Move to c-objc-common.h.
9517         * c-objc-common.c: Include c-objc-common.h.
9518         * c-objc-common.h: New file.
9519
9520 2004-08-15  Andreas Tobler  <a.tobler@schweiz.ch>
9521             Andrew Pinski  <pinskia@physics.uc.edu>
9522
9523         PR target/14931
9524         * config/rs6000/darwin-tramp.asm (L_abort$stub): Change to new stub
9525         style.
9526
9527 2004-08-15  Nathan Sidwell  <nathan@codesourcery.com>
9528
9529         * tree.h (build_int_cst): New.
9530         (build_int_2): Remove.
9531         * tree.c (build_int_2): Remove.
9532         (build_int_cst): New.
9533         (make_vector_type, build_common_tree_nodes,
9534         build_common_tree_nodes_2): Use build_int_cst.
9535         * builtins.c (expand_builtin_prefetch, expand_builtin_strstr,
9536         expand_builtin_strpbrk, expand_builtin_fputs,
9537         build_string_literal, expand_builtin_printf,
9538         expand_builtin_sprintf, fold_builtin_lround, fold_builtin_bitop,
9539         fold_builtin_bitop, fold_builtin_isascii, fold_builtin_toascii,
9540         fold_builtin_isdigit, simplify_builtin_strstr,
9541         simplify_builtin_strpbrk, fold_builtin_fputs,
9542         simplify_builtin_sprintf): Use build_int_cst.
9543         * c-common.c (start_fname_decls, fix_string_type,
9544         c_common_nodes_and_builtins, c_init_attributes,
9545         shorten_compare): Likewise.
9546         * c-decl.c (complete_array_type,
9547         check_bitfield_type_and_width): Likewise.
9548         * c-lex.c (interpret_integer, lex_charconst): Likewise.
9549         * c-parse.in (primary): <TYPES_COMPATIBLE_P> Likewise.
9550         * c-pretty-print.c (pp_c_integer_constant): Likewise.
9551         * c-typeck.c (really_start_incremental_init, push_init_level,
9552         set_nonincremental_init_from_string): Likewise.
9553         * calls.c (load_register_parameters): Likewise.
9554         * convert.c (convert_to_pointer): Likewise.
9555         * coverage.c (coverage_counter_alloc, tree_coverage_counter_ref,
9556         build_fn_info_type, build_ctr_info_value, build_gcov_info):
9557         Likewise.
9558         * except.c (init_eh, assign_filter_values, assign_filter_values):
9559         Likewise.
9560         * expmed.c (store_fixed_bit_field, extract_bit_field,
9561         extract_fixed_bit_field, extract_split_bit_field, expand_shift,
9562         expand_mult_const, expand_mult_highpart_adjust, extract_high_half,
9563         expand_sdiv_pow2, expand_divmod, make_tree): Likewise.
9564         * expr.c (convert_move, emit_group_load, emit_group_store,
9565         expand_assignment, store_constructor, store_field,
9566         expand_expr_real_1, reduce_to_bit_field_precision): Likewise.
9567         * fold-const.c (force_fit_type, int_const_binop, fold_convert_const,
9568         invert_truthvalue, optimize_bit_field_compare,
9569         decode_field_reference, all_ones_mask_p, constant_boolean_node,
9570         fold_div_compare, fold, fold_read_from_constant_string,
9571         fold_negate_const, fold_abs_const, fold_not_const): Likewise.
9572         * function.c (assign_parm_setup_block): Likewise.
9573         * stmt.c (shift_return_value, expand_end_case_type,
9574         estimate_case_costs): Likewise.
9575         * stor-layout.c (layout_type, initialize_sizetypes,
9576         set_min_and_max_values_for_integral_type): Likewise.
9577         * tree-chrec.c (chrec_fold_multiply_poly_poly,
9578         reset_evolution_in_loop): Likewise.
9579         * tree-chrec.h (build_polynomial_chrec): Likewise.
9580         * tree-complex.c (build_replicated_const): Likewise.
9581         * tree-eh.c (honor_protect_cleanup_actions,
9582         lower_try_finally_onedest, lower_try_finally_copy,
9583         lower_try_finally_switch): Likewise.
9584         * tree-mudflap.c (mf_build_string, mx_register_decls,
9585         mudflap_register_call, mudflap_enqueue_constant): Likewise.
9586         * tree-nested.c (get_trampoline_type, get_nl_goto_field): Likewise.
9587         * tree-pretty-print.c (dump_generic_node): Likewise.
9588         * tree-ssa-ccp.c (widen_bitfield, maybe_fold_offset_to_array_ref):
9589         Likewise.
9590         * tree-ssa-dom.c (simplify_rhs_and_lookup_avail_expr): Likewise.
9591         * tree-ssa-loop-niter.c (number_of_iterations_cond,
9592         loop_niter_by_eval, upper_bound_in_type, lower_bound_in_type):
9593         Likewise.
9594
9595         * config/alpha/alpha.c (alpha_initialize_trampoline,
9596         alpha_va_start, alpha_gimplify_va_arg_1): Use build_int_cst.
9597         * config/arm/arm.c (arm_get_cookie_size): Likewise.
9598         * config/c4x/c4x.c (c4x_gimplify_va_arg_expr): Likewise.
9599         * config/i386/i386.c (ix86_va_start, ix86_gimplify_va_arg): Likewise.
9600         * config/i860/i860.c (i860_va_start): Likewise.
9601         * config/ia64/ia64.c (ia64_gimplify_va_arg): Likewise.
9602         * config/mips/mips.c (mips_build_builtin_va_list, mips_va_start,
9603         mips_gimplify_va_arg_expr): Likewise.
9604         * config/pa/pa.c (hppa_gimplify_va_arg_expr): Likewise.
9605         * config/rs6000/rs6000.c (rs6000_va_start, rs6000_gimplify_va_arg,
9606         add_compiler_branch_island): Likewise.
9607         * config/s390/s390.c (s390_va_start): Likewise.
9608         * config/sh/sh.c (sh_va_start): Likewise.
9609         * config/stormy16/stormy16.c (xstormy16_expand_builtin_va_start):
9610         Likewise.
9611         * config/xtensa/xtensa.c (xtensa_va_start,
9612         xtensa_gimplify_va_arg_expr): Likewise.
9613
9614         * objc/objc-act.c (build_objc_string_object,
9615         build_objc_symtab_template, init_def_list, init_objc_symtab,
9616         init_module_descriptor, generate_static_references,
9617         build_selector_translation_table, get_proto_encoding,
9618         build_typed_selector_reference, build_selector_reference,
9619         build_next_objc_exception_stuff,
9620         build_method_prototype_list_template, generate_descriptor_table,
9621         generate_protocols, build_protocol_initializer,
9622         build_ivar_list_template, build_method_list_template,
9623         build_ivar_list_initializer, generate_ivars_list,
9624         generate_dispatch_table, generate_protocol_list,
9625         build_category_initializer, build_shared_structure_initializer,
9626         generate_shared_structures, handle_impent,
9627         generate_objc_image_info): Use build_int_cst.
9628
9629 2004-08-15  Ben Elliston  <bje@au.ibm.com>
9630
9631         * vec.h: Comment improvements.
9632
9633 2004-08-14  Roger Sayle  <roger@eyesopen.com>
9634
9635         * c-common.c (shorten_compare, pointer_int_sum,
9636         c_common_truthvalue_conversion, boolean_increment): Replace calls
9637         to build with calls to buildN.
9638         * c-decl.c (complete_array_type, grokdeclarator): Likewise.
9639         * c-gimplify.c (c_build_bind_expr, gimplify_c_loop,
9640         gimplify_switch_stmt): Likewise.
9641         * c-typeck.c (default_function_array_conversion,
9642         build_component_ref, build_array_ref, build_function_call,
9643         pointer_diff, build_unary_op, build_conditional_expr,
9644         build_compound_expr, build_modify_expr, c_finish_goto_label,
9645         c_finish_goto_ptr, c_finish_return, c_finish_loop,
9646         c_finish_bc_stmt, c_finish_stmt_expr, c_end_compound_stmt,
9647         build_binary_op): Likewise.
9648
9649 2004-08-15  Steven Bosscher  <stevenb@suse.de>
9650
9651         * rtl.c (note_insn_name): Add NOTE_DISABLE_SCHED_OF_BLOCK.
9652
9653 2004-08-14  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
9654
9655         * fixinc/inclhack.def (stdio_va_list): Also fix com_err.h, cps.h,
9656         curses.h, krb5.h, lc_core.h, pfmt.h, wchar.h and curses_colr/curses.h.
9657         * fixinc/fixincl.x: Rebuilt.
9658
9659 2004-08-14  Richard Sandiford  <rsandifo@redhat.com>
9660
9661         * config/mips/mips-protos.h (mips_symbolic_constant_p)
9662         (mips_atomic_symbolic_constant_p, mips_stack_address_p)
9663         (mips_small_data_pattern_p): Declare.
9664         * config/mips/mips.h (CONST_GP_P): Moved from mips.c.
9665         (PREDICATE_CODES, SPECIAL_MODE_PREDICATES): Delete.
9666         * config/mips/mips.c (mips_symbolic_constant_p): Make global.
9667         (mips_atomic_symbolic_constant_p, mips_stack_address_p): New functions.
9668         (uns_arith_operand, const_arith_operand, arith_operand, sle_operand)
9669         (sleu_operand, small_int, reg_or_0_operand, const_float_1_operand)
9670         (reg_or_const_float_1_operand, hilo_operand, extend_operator)
9671         (macc_msac_operand, equality_op, cmp_op, trap_cmp_op)
9672         (pc_or_label_operand, call_insn_operand, move_operand)
9673         (consttable_operand, symbolic_operand, general_symbolic_operand)
9674         (global_got_operand, local_got_operand, stack_operand)
9675         (fp_register_operand, lo_operand, fcc_register_operand): Delete.
9676         (mips_small_data_pattern_1): Renamed from small_data_pattern_1.
9677         (mips_small_data_pattern_p): Replace previous small_data_pattern
9678         predicate.  Turn into a bool () (rtx) function.
9679         * config/mips/predicates.md: New file.
9680         * config/mips/mips.md: Include it.  Use the target-independent
9681         comparison_operator instead of cmp_op.  Rename trap_cmp_op to
9682         trap_comparison_operator and equality_op to equality_operator.
9683         Replace uses of small_int with the equivalent const_arith_operand.
9684         Rename reg_or_const_float_1_operand to reg_or_1_operand.  Rename
9685         const_float_1_operand to const_1_operand.  Rename fcc_register_operand
9686         to fcc_reload_operand.
9687         * config/mips/sb1.md: Rename fp_register_operand to fpr_operand.
9688
9689 2004-08-14  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
9690
9691         PR libstdc++/17005 partial fix.
9692         * pa-hpux11.h (TARGET_OS_CPP_BUILTINS): Define _INCLUDE__STDC_A1_SOURCE
9693         except when generating ANSI/C89 code.
9694
9695 2004-08-14  Nathan Sidwell  <nathan@codesourcery.com>
9696
9697         * c-common.c (shorten_compare): Use force_fit_type directly.
9698
9699 2004-08-14  Gerald Pfeifer  <gerald@pfeifer.com>
9700             Dimitri Papadopoulos-Orfanos  <papadopo@shfj.cea.fr>
9701             Dave Korn  <dk@artimi.com>
9702
9703         * doc/install.texi (Building): Avoid duplicate reference to GNU
9704         make requirement.
9705         (*-*-solaris2*): Do not recommend GNU make any longer.  Simplify.
9706
9707 2004-08-14  Richard Henderson  <rth@redhat.com>
9708
9709         * config/alpha/alpha.h (PROMOTE_MODE): Don't promote vector types.
9710         * config/alpha/alpha.c (function_value): Use PROMOTE_MODE.
9711
9712 2004-08-13  Richard Henderson  <rth@redhat.com>
9713
9714         * config/i386/i386.md (call_1, sibcall_1, call_1_rex64): Use Pmode
9715         for constant_call_address_operand.
9716         (call_value_pop_1, call_value_1): Likewise.
9717         (sibcall_value_1, call_value_1_rex64): Likewise.
9718
9719 2004-08-13  James E Wilson  <wilson@specifixinc.com>
9720
9721         * config/mips/sb1.md (ir_sb1_divdf_2pipes, ir_sb1_divdf_1pipe):
9722         Correct mode from SFmode to DFmode.
9723
9724 2004-08-13  Ziemowit Laski  <zlaski@apple.com>
9725
9726         * config/darwin.h (EXTRA_SECTION_FUNCTIONS): Mark the __sel_fixup,
9727         __cstring_object and __image_info sections with the no_dead_strip
9728         attribute.
9729
9730 2004-08-13  Roger Sayle  <roger@eyesopen.com>
9731             David Billinghurst  <David.Billinghurst@riotinto.com>
9732
9733         PR libgfortran/15930
9734         * fixinc/inclhack.def (irix___generic1, irix___generic2): New.
9735         * fixinc/fixincl.x: Regenerate.
9736         * fixinc/tests/base/internal/math_core.h: New file.
9737
9738 2004-08-13  Richard Henderson  <rth@redhat.com>
9739
9740         * dbxout.c (NO_DBX_FUNCTION_END): Default to zero.
9741         (dbxout_function_end): Remove ifdefs for it.
9742         (dbxout_begin_prologue): Protect N_BNSYM with it, and gdb extensions.
9743
9744 2004-08-13  Richard Henderson  <rth@redhat.com>
9745
9746         * Makefile.in (insn-preds.o): Depend on TREE_H.
9747         * genpreds.c (write_insn_preds_c): Include tree.h.
9748         * config/alpha/alpha.c (reg_or_0_operand, reg_or_6bit_operand,
9749         reg_or_8bit_operand, cint8_operand, add_operand, sext_add_operand,
9750         const48_operand, and_operand, or_operand, mode_width_operand,
9751         mode_mask_operand, mul8_operand, const0_operand,
9752         hard_fp_register_operand, hard_int_register_operand,
9753         reg_or_cint_operand, some_operand, some_ni_operand, input_operand,
9754         samegp_function_operand, direct_call_operand, small_symbolic_operand,
9755         global_symbolic_operand, call_operand, symbolic_operand,
9756         dtp16_symbolic_operand, dtp32_symbolic_operand,
9757         gotdtp_symbolic_operand, tp16_symbolic_operand, tp32_symbolic_operand,
9758         gottp_symbolic_operand, alpha_comparison_operator,
9759         alpha_zero_comparison_operator, alpha_swapped_comparison_operator,
9760         signed_comparison_operator, alpha_fp_comparison_operator,
9761         divmod_operator, fix_operator, aligned_memory_operand,
9762         unaligned_memory_operand, reg_or_unaligned_mem_operand,
9763         any_memory_operand, reg_not_elim_operand, normal_memory_operand,
9764         reg_no_subreg_operand, addition_operation): Move to predicates.md.
9765         (reg_or_const_int_operand): Remove.  Replace all users with
9766         reg_or_cint_operand.
9767         (tls_symbolic_operand_1): Export.  Don't check mode or for CONST.
9768         (resolve_reload_operand): Split out of aligned_memory_operand.
9769         * config/alpha/alpha-protos.h: Update for exports.
9770         * config/alpha/alpha.h (PREDICATE_CODES): Remove.
9771         * config/alpha/alpha.md: Include predicates.md.
9772         * config/alpha/predicates.md: New file.
9773
9774 2004-08-13  Richard Sandiford  <rsandifo@redhat.com>
9775
9776         * genattrtab.c (insn_ent): Replace insn_code, insn_index and lineno
9777         fields with a pointer to the instruction definition.
9778         (get_attr_value, fill_attr, make_length_attrs, remove_insn_ent)
9779         (insert_insn_ent, simplify_test_exp, optimize_attrs, write_attr_get)
9780         (write_attr_case, write_const_num_delay_slots): Update accordingly.
9781         (write_attr_case, write_const_num_delay_slots): Write the name of
9782         an insn next to its case statement.
9783         * genoutput.c (data): Add a filename field.
9784         (gen_insn, gen_peephole, gen_expand, gen_split): Set it.
9785         (output_insn_data): Print the location of each insn definition.
9786         * genrecog.c (write_action): Print the name of an insn above
9787         the statement that returns its code.
9788
9789 2004-08-12  Andrew Pinski  <pinskia@physics.uc.edu>
9790
9791         * config/darwin-c.c (find_subframework_file): Fix spelling of cannot.
9792         * config/libgloss.h: Likewise.
9793         * config/arm/arm.c (arm_gen_load_multiple): Likewise.
9794         * c4x/c4x-modes.def: Likewise.
9795         * config/c4x/c4x.c (c4x_hard_regno_rename_ok): Likewise.
9796         (c4x_rptb_nop_p): Likewise.
9797         (c4x_rptb_valid_p): Likewise.
9798         (c4x_rptb_insert): Likewise.
9799         (c4x_address_conflict): Likewise.
9800         * config/c4x/c4x.md: Likewise.
9801         * config/frv/frv.md: Likewise.
9802         * config/i386/athlon.md: Likewise.
9803         * config/i386/i386.md: Likewise.
9804         * config/i386/predicates.md: Likewise.
9805         * config/ia64/ia64.c: Likewise.
9806         * config/ia64/itanium1.md: Likewise.
9807         * config/ia64/itanium2.md: Likewise.
9808         * config/iq2000/iq2000.md: Likewise.
9809         * config/mcore/mcore.c: Likewise.
9810         * config/mips/mips.c: Likewise.
9811         * config/mips/r3900.h: Likewise.
9812         * config/mips/sb1.md: Likewise.
9813         * config/pa/milli64.S: Likewise.
9814         * config/pa/pa.c: Likewise.
9815         * config/pa/pa.h: Likewise.
9816         * config/rs6000/8540.md: Likewise.
9817
9818 2004-08-13  Daniel Berlin  <dberlin@dberlin.org>
9819
9820         * Makefile.in (BOOT_CFLAGS): Remove accidental addition of -dU.
9821
9822 2004-08-13  J"orn Rennecke <joern.rennecke@superh.com>
9823
9824         * sh.md (cbranch define_delay) Use cond_delay_slot for
9825         non-anulled condition too.
9826
9827 2004-08-12  David Edelsohn  <edelsohn@gnu.org>
9828
9829         * config/rs6000/rs6000.c (any_parallel_operand): New predicate.
9830         * config/rs6000/rs6000.h (PREDICATE_CODES): Add
9831         any_parallel_operand, lmw_operation, stmw_operation,
9832         mfcr_operation, mtcrf_operation.  Remove PARALLEL from any_operand.
9833         * config/rs6000/rs6000.md (save_fpregs_{si,di}): Use
9834         any_parallel_operand.
9835         (return_and_restore_fpregs_{si,di}): Same.
9836
9837 2004-08-12  Zack Weinberg  <zack@codesourcery.com>
9838
9839         * genrecog.c (add_to_sequence): When processing a MATCH_PARALLEL,
9840         if pred->singleton != PARALLEL, issue a warning and pretend it was.
9841         Also issue a warning for any predicate we don't know about.
9842
9843 2004-08-12  Richard Henderson  <rth@redhat.com>
9844
9845         * config/i386/i386.c (internal_label_prefix): Export.
9846         (internal_label_prefix_len, struct ix86_address,
9847         ix86_decompose_address, maybe_get_pool_constant,
9848         ix86_fp_compare_code_to_integer, ix86_fp_comparison_codes,
9849         memory_address_length): Export.
9850         (any_fp_register_operand, fp_register_operand,
9851         register_and_not_any_fp_reg_operand, register_and_not_fp_reg_operand,
9852         x86_64_general_operand, x86_64_szext_general_operand,
9853         x86_64_nonmemory_operand, x86_64_movabs_operand,
9854         x86_64_szext_nonmemory_operand, x86_64_immediate_operand,
9855         x86_64_zext_immediate_operand, const_int_1_31_operand,
9856         symbolic_operand, pic_symbolic_operand, local_symbolic_operand,
9857         tls_symbolic_operand, global_dynamic_symbolic_operand,
9858         local_dynamic_symbolic_operand, initial_exec_symbolic_operand,
9859         local_exec_symbolic_operand, call_insn_operand, sibcall_insn_operand,
9860         constant_call_address_operand, const0_operand, const1_operand,
9861         const248_operand, const_0_to_3_operand, const_0_to_7_operand,
9862         const_0_to_15_operand, const_0_to_255_operand, incdec_operand,
9863         shiftdi_operand, reg_no_sp_operand, mmx_reg_operand,
9864         general_no_elim_operand, nonmemory_no_elim_operand,
9865         index_register_operand, q_regs_operand, flags_reg_operand,
9866         non_q_regs_operand, zero_extended_scalar_load_operand,
9867         vector_move_operand, no_seg_address_operand, sse_comparison_operator,
9868         ix86_comparison_operator, ix86_carry_flag_operator,
9869         fcmov_comparison_operator, promotable_binary_operator,
9870         cmp_fp_expander_operand, ext_register_operand, binary_fp_operator,
9871         mult_operator, div_operator, arith_or_logical_operator,
9872         memory_displacement_operand, cmpsi_operand, long_memory_operand,
9873         aligned_operand): Move to predicates.md as define_predicates.
9874         (tls_symbolic_operand_1): Remove.
9875         (x86_64_sign_extended_value): Merge into x86_64_immediate_operand.
9876         (x86_64_zero_extended_value): Merge into x86_64_zext_immediate_operand.
9877         (legitimize_address): Merge tls_symbolic_operand contents.
9878         (ix86_expand_move): Likewise.
9879         * config/i386/i386-protos.h: Update for exports.
9880         * config/i386/i386.h (EXTRA_CONSTRAINT): Update for renames.
9881         (PREDICATE_CODES, SPECIAL_MODE_PREDICATES): Remove.
9882         * config/i386/i386.md: Include predicates.md.
9883         * config/i386/predicates.md: New file.
9884
9885 2004-08-13  Mark Mitchell  <mark@codesourcery.com>
9886
9887         PR c++/16924
9888         * config/i386/winnt.c (i386_pe_mark_dllexport): Set
9889         SYMBOL_REF_DECL.
9890         (i386_pe_mark_dllimport): Likewise.
9891         (i386_pe_encode_section_info): Likewise, when overriding
9892         dllimport attribute.
9893
9894 2004-08-12  Geoffrey Keating  <geoffk@apple.com>
9895
9896         * configure.ac: When testing for flex, nm, ar, and bison, check
9897         that they will actually be built.
9898         * configure: Regenerate.
9899
9900 2004-08-12  Ulrich Weigand  <uweigand@de.ibm.com>
9901
9902         * config/s390/s390.h (MAX_FIXED_MODE_SIZE): Define.
9903         (MOVE_MAX_PIECES): Define.
9904
9905 2004-08-12  Devang patel  <dpatel@apple.com>
9906
9907         * dbxout.c (dbxout_begin_prologue): New function.
9908         (dbx_debug_hooks): Use new begin prologue hook.
9909         (dbxout_function_end): Emit N_ENSYM.
9910         * stab.def (N_BNSYM, N_ENSYM): Define and document these two new stabs.
9911
9912 2004-08-12  Janis Johnson  <janis187@us.ibm.com>
9913
9914         * config/rs6000/altivec.h (vec_dst): Fix C++ functions whose first
9915         argument is float*.
9916
9917         * config/rs6000/rs6000.c (altivec_init_builtins): Fix argument type
9918         for vec_dss.
9919
9920         * doc/extend.texi (AltiVec builtins): Fix description for recent
9921         changes.  Update operation list to match current support.
9922
9923 2004-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
9924
9925         * config/s390/s390.c (struct s390_frame_layout): New struct as element
9926         of struct machine_function.
9927         (cfun->machine->frame_size): Moved into cfun->machine->frame_layout and
9928         changed all uses.
9929         (cfun->machine->save_fprs_p): Replaced by cfun_save_high_fprs and
9930         changed all uses.
9931         (cfun_frame_layout, cfun_save_high_fprs_p, cfun_gprs_save_area_size)
9932         (cfun_set_fpr_bit, cfun_fpr_bit_p): New macros.
9933         (s390_frame_area, s390_register_info): New functions.
9934         (s390_optimize_prolog): Renamed to s390_optimize_prologue.  Added check
9935         for base register.
9936         (s390_return_addr_rtx, s390_return_address_offset)
9937         (s390_va_start, s390_gimplify_va_arg)
9938         (s390_emit_prologue, s390_emit_epilogue): Adjusted for new stack
9939         layouts.
9940         (s390_frame_info): Functionality partly moved to s390_register_info.
9941         Made adaptions for new stack layout.
9942         (save_gprs, restore_gprs): Changed meaning of second parameter and
9943         adapted all callers.
9944
9945         * config/s390/s390.h (s390_backchain_string): New global variable.
9946         (MASK_BACKCHAIN): Removed definition.
9947         (TARGET_BACKCHAIN): Changed check.
9948         (TARGET_KERNEL_BACKCHAIN): New macro.
9949         (TARGET_SWITCHES): Removed entries of "backchain" and "no-backchain".
9950         (TARGET_OPTIONS): Added "backchain", "no-backchain" and
9951         "kernel-backchain".
9952         (DYNAMIC_CHAIN_ADDRESS): Adjusted for new stack layouts.
9953
9954         * config/s390/s390.md ("allocate_stack"): Added TARGET_KERNEL_BACKCHAIN
9955         as condition.  Adjusted for new stack layout.
9956
9957         * doc/invoke.texi: Added documentation for new option
9958         "-mkernel-backchain" and adjusted documentation of "-mbackchain" and
9959         "-mno-backchain".
9960
9961 2004-08-12  Paul Brook  <paul@codesourcery.com>
9962
9963         * config/arm/lib1funcs.asm (ARM_FUNC_ALIAS): Also alias _L__name.
9964         (aeabi_uidivmod, aeabi_idivmod): Provide thumb implementation.
9965
9966 2004-08-12  David Daney  <ddaney@avtrex.com>
9967
9968         * java/gcj.texi:  Add subsection on signal usage.
9969
9970 2004-08-12  David Edelsohn  <edelsohn@gnu.org>
9971
9972         * expr.c (move_by_pieces): Set alignment for move to minimum of
9973         MOVE_MAX_PIECES mode alignment and the largest non-slow mode
9974         alignment, but not less than the original alignment.
9975         (move_by_pieces_ninsns): Same.
9976         (can_store_by_pieces): Similar for store with STORE_MAX_PIECES.
9977         (store_by_pieces_1): Same.
9978
9979 2004-08-12  Diego Novillo  <dnovillo@redhat.com>
9980
9981         PR tree-optimization/16867
9982         * tree.c (is_global_var): New function.
9983         (needs_to_live_in_memory): Check for TREE_ADDRESSABLE.
9984         Call is_global_var.
9985         * tree.h (DECL_NEEDS_TO_LIVE_IN_MEMORY_INTERNAL): Remove.
9986         Update all users.
9987         (is_global_var): Declare.
9988         * tree-dfa.c (dump_variable): Display global and addressable
9989         attributes.
9990         (add_referenced_var): Clarify documentation when marking
9991         variables call-clobbered.
9992         * tree-flow-inline.h (is_call_clobbered): Call is_global_var
9993         instead of needs_to_live_in_memory.
9994         (mark_call_clobbered): If the variable is a tag, mark it
9995         DECL_EXTERNAL.
9996         * tree-gimple.c (is_gimple_reg): Don't check for
9997         TREE_ADDRESSABLE.
9998         (is_gimple_non_addressable): Likewise.
9999         * tree-ssa-alias.c (get_nmt_for): Always check whether the tag
10000         needs to be marked call-clobbered.
10001         (setup_pointers_and_addressables): Call is_global_var instead
10002         of needs_to_live_in_memory.
10003         * tree-ssa-dce.c (need_to_preserve_store): Remove.
10004         Update all users with is_global_var.
10005         (mark_stmt_if_obviously_necessary): Fix processing of aliased
10006         stores.  Don't check the virtual definitions.  Rather, check
10007         whether the store is going into global memory.
10008         (find_obviously_necessary_stmts): Get the symbol from the PHI
10009         result.
10010         * tree-ssa-operands.c (get_call_expr_operands): Do not add
10011         clobbering may-defs if the call does not have side effects.
10012
10013 2004-08-12  Jakub Jelinek  <jakub@redhat.com>
10014
10015         PR c++/16276
10016         * output.h (default_function_rodata_section,
10017         default_no_function_rodata_section): New prototypes.
10018         * target.h (struct gcc_target): Add asm_out.function_rodata_section.
10019         * target-def.h (TARGET_ASM_FUNCTION_RODATA_SECTION): Define.
10020         (TARGET_ASM_OUT): Add it.
10021         * varasm.c (default_function_rodata_section,
10022         default_no_function_rodata_section): New functions.
10023         * final.c (final_scan_insn): Call
10024         targetm.asm_out.function_rodata_section instead of
10025         readonly_data_section.
10026         * config/darwin.h (TARGET_ASM_FUNCTION_RODATA_SECTION): Define.
10027         * config/mcore/mcore.c (TARGET_ASM_FUNCTION_RODATA_SECTION): Likewise.
10028         * config/ip2k/ip2k.c (TARGET_ASM_FUNCTION_RODATA_SECTION): Likewise.
10029         * config/rs6000/xcoff.h (TARGET_ASM_FUNCTION_RODATA_SECTION):
10030         Likewise.
10031         * config/alpha/alpha.c (TARGET_ASM_FUNCTION_RODATA_SECTION): Likewise.
10032         * config/i386/cygming.h (TARGET_ASM_FUNCTION_RODATA_SECTION):
10033         Likewise.
10034         * config/i386/i386-interix.h (TARGET_ASM_FUNCTION_RODATA_SECTION):
10035         Likewise.
10036         * config/arm/pe.h (TARGET_ASM_FUNCTION_RODATA_SECTION): Likewise.
10037         * config/avr/avr.c (TARGET_ASM_FUNCTION_RODATA_SECTION): Likewise.
10038         * doc/tm.texi (TARGET_ASM_FUNCTION_RODATA_SECTION): Document.
10039
10040 2004-08-12  Paul Brook  <paul@codesourcery.com>
10041
10042         * dwarf2out.h (dwarf2out_frame_finish): Conditionalize outputting eh
10043         frame info.
10044         * doc/tm.texi: Document interaction between TARGET_UNWIND_INFO and
10045         DWARF2_UNWIND_INFO.
10046
10047 2004-08-12  Ben Elliston  <bje@au.ibm.com>
10048
10049         PR target/16286
10050         * config/rs6000/altivec.h: Change vector to __vector throughout.
10051         (Except for the `vector' macro itself).
10052
10053 2004-08-12  Zack Weinberg  <zack@codesourcery.com>
10054
10055         * genpreds.c: Add capability to generate predicate bodies as
10056         well as function prototypes.  Write function prototypes for
10057         the generic predicates too.
10058         (process_define_predicate, write_tm_preds_h, write_insn_preds_c)
10059         (write_predicate_subfunction, mark_mode_tests, add_mode_tests)
10060         (write_match_code, write_predicate_expr, write_one_predicate_function)
10061         (parse_option): New functions.
10062         (output_predicate_decls): Delete.
10063         (main): Read the machine description, process DEFINE_PREDICATE or
10064         DEFINE_SPECIAL_PREDICATE patterns, write tm-preds.h or insn-preds.c
10065         as appropriate.
10066
10067         * genrecog.c (struct decision_test): Replace index with
10068         struct pred_data pointer.
10069         (next_index): Remove, unused.
10070         (pred_table, preds, special_mode_pred_table): Delete.
10071         (compute_predicate_codes, process_define_predicate): New functions.
10072         (validate_pattern, add_to_sequence, write_switch): Update for
10073         new data structures.
10074         (main): Handle DEFINE_PREDICATE and DEFINE_SPECIAL_PREDICATE.
10075         Check both error_count and have_error.
10076
10077         * gensupport.c (in_fname, first_predicate): New globals.
10078         (define_pred_queue, define_pred_tail): New RTL-pattern queue.
10079         (predicate_table, last_predicate, old_pred_table)
10080         (old_special_pred_table): New statics.
10081         (hash_struct_pred_data, eq_struct_pred_data, lookup_predicate)
10082         (add_predicate, init_predicate_table): New functions.
10083         (process_rtx): Handle DEFINE_PREDICATE and DEFINE_SPECIAL_PREDICATE.
10084         (init_md_reader_args_cb): Use the global in_fname.  No need to zero
10085         it or max_include_len.  Call init_predicate_table.
10086         (read_rtx): Run the predicate queue after the attribute queue
10087         but before all the others.
10088         * gensupport.h (in_fname, struct pred_data, first_predicate)
10089         (lookup_predicate, add_predicate, FOR_ALL_PREDICATES): Declare.
10090         * rtl.def (MATCH_CODE, MATCH_TEST, DEFINE_PREDICATE)
10091         (DEFINE_SPECIAL_PREDICATE): New RTL codes.
10092         * dummy-conditions.c: Don't include bconfig.h, system.h,
10093         coretypes.h, tm.h, or system.h.  Do include stddef.h.
10094         Duplicate declaration of struct c_test from gensupport.h.
10095
10096         * Makefile.in (OBJS-common): Add insn-preds.o.
10097         (STAGESTUFF, .PRECIOUS): Add insn-preds.c.
10098         (insn-preds.c, insn-preds.o): New rules.
10099         (s-preds): Also generate insn-preds.c.
10100         (dummy-conditions.o, genpreds$(build_exeext), genpreds.o):
10101         Update dependencies.
10102         (print-rtl.o, print-rtl1.o): Correct dependencies.
10103
10104         * recog.h: Delete prototypes of predicate functions.
10105
10106         * doc/md.texi (Predicates): New section with complete
10107         documentation of operand/operator predicates.  Remove some
10108         incomplete documentation of predicates from other places.
10109         * doc/tm.texi (Misc): Move SPECIAL_MODE_PREDICATES next to
10110         PREDICATE_CODES; indicate that both are deprecated in favor
10111         of define_predicate/define_special_predicate.
10112
10113         * config/ia64/ia64.c: All predicate function definitions moved
10114         to ia64.md, except
10115         (small_addr_symbolic_operand, tls_symbolic_operand): Delete.
10116         (ia64_expand_load_address, ia64_expand_move):
10117         Check SYMBOL_REF_TLS_MODEL directly, don't use tls_symbolic_operand.
10118
10119         * config/ia64/ia64.md: All predicates now defined here.
10120         (symbolic_operand): Is now a special predicate.
10121
10122         * config/ia64/ia64.h: Declare ia64_section_threshold.
10123         (PREDICATE_CODES): Delete.
10124
10125 2004-08-12  Richard Henderson  <rth@redhat.com>
10126
10127         * c-common.h (STATEMENT_LIST_HAS_LABEL): New.
10128         * c-semantics.c (add_stmt): Set it.
10129         * c-decl.c (finish_decl): Use it to create a new BIND_EXPR
10130         before instantiating a variable sized type.
10131
10132 2004-08-12  Richard Henderson  <rth@redhat.com>
10133
10134         * stor-layout.c (round_up, round_down): Move ...
10135         * fold-const.c (round_up, round_down): ... here.  Use
10136         multiple_of_p to avoid any arithmetic at all.
10137
10138 2004-08-12  Richard Henderson  <rth@redhat.com>
10139
10140         * gimplify.c (struct gimplify_init_ctor_preeval_data): New.
10141         (gimplify_init_ctor_preeval_1): New.
10142         (gimplify_init_ctor_preeval): New.
10143         (gimplify_init_ctor_eval): New.
10144         (gimplify_init_constructor): Use them.  Always gimplify the LHS
10145         object first.
10146
10147 2004-08-12  Ziemowit Laski  <zlaski@apple.com>
10148
10149         (This patch is part of merge of objc-improvements-branch
10150         into mainline.)
10151
10152         * doc/frontends.texi: Mention Objective-C++ in addition to
10153         Objective-C.
10154         * doc/install.texi: Add 'obj-c++' to list of configurable
10155         languages.
10156         * doc/invoke.texi: Rename Objective-C option headings to
10157         indicate they also apply to Objective-C++.  List file
10158         extensions for Objective-C++ sources.  Mention that
10159         ObjC and ObjC++ compilations may also use C and C++ options,
10160         respectively.  Point users to doc/standards.texi for
10161         further info on ObjC and ObjC++.
10162         * doc/sourcebuild.texi: Mention the objcp/ directory and
10163         the Objective-C++ sources it contains.
10164         * doc/standards.texi: Update link to Apple ObjC site;
10165         add link to gcc readings.html WWW doc.
10166
10167 2004-08-12  Alan Modra  <amodra@bigpond.net.au>
10168
10169         * config/rs6000/rs6000.c (function_arg_padding): Revert 2004-07-28
10170         and 2004-07-14 changes.
10171
10172 2004-08-12  Paul Brook  <paul@codesourcery.com>
10173
10174         * doc/invoke.texi: Fix typo.
10175
10176 2004-08-11 Devang Patel  <dpatel@apple.com>
10177
10178         * config/darwin.h (TARGET_OPTION_TRANSLATE_TABLE): Add -dead_strip
10179         and -no_dead_strip_inits_and_terms.
10180         (LINK_SPEC): Same.
10181         * doc/invoke.texi (Darwin Options): Document -dead_strip and
10182         -no_dead_strip_inits_and_terms.
10183
10184 2004-08-11  Paul Brook  <paul@codesourcery.com>
10185
10186         * config/arm/arm-protos.h (arm_finalize_pic) Rename ...
10187         (arm_load_pic_register): ... to this.
10188         * config/arm/arm.c (arm_finalize_pic): Rename ...
10189         (arm_load_pic_register): ... to this.  Always output insns at the
10190         current location.  Load via low reg in thumb mode.
10191         (arm_expand_prologue): Call arm_load_pic_register.
10192         (thumb_expand_prologue): Ditto.
10193         * config/arm/arm.h (FINALIZE_PIC): Remove.
10194         * config/arm/arm.md (builtin_setjmp_receiver): Call
10195         arm_load_pic_register.
10196
10197 2004-08-11  Paul Brook  <paul@codesourcery.com>
10198
10199         * arm.c (thumb_force_lr_save): Add prototype.
10200         (thumb_compute_save_reg_mask): New function.
10201         (thumb_find_work_register): New function.
10202         (arm_get_frame_offsets): Use thumb_compute_save_reg_mask.
10203         (thumb_unexpanded_epilogue): Ditto.  Remove redundant code.
10204         Don't clobber r3 when removing pretend args.
10205         (thumb_expand_prologue): Use thumb_compute_save_reg_mask.
10206         (thumb_output_function_prologue): Use new functions.
10207         (thumb_set_return_address): Use thumb_compute_save_reg_mask.
10208         * arm.h (THUMB_REG_PUSHED_P): Remove.
10209
10210 2004-08-11  James E Wilson  <wilson@specifixinc.com>
10211
10212         PR rtl-optimization/16490
10213         * cfgrtl.c (cfg_layout_split_edge): Set global_live_at_start and
10214         global_live_at_end for new basic block if already set for other blocks.
10215
10216 2004-08-11 David Edelsohn  <edelsohn@gnu.org>
10217
10218         * config/rs6000/rs6000.h (MAX_FIXED_MODE_SIZE): Define.
10219
10220         * config/rs6000/rs6000.md (mfcr rlwinm patterns): Set length to 8.
10221         (mfcr rlwinm rlwinm patterns): Set length to 12.
10222
10223 2004-08-11  Andrew MacLeod  <amacleod@redhat.com>
10224
10225         * tree-flow-inline.h (get_def_ops, get_use_ops, get_v_may_def_ops,
10226         get_vuse_ops,get_v_must_def_ops): Add operand structure reference.
10227         (get_v_may_def_result_ptr, get_v_may_def_op_ptr): New access struct.
10228         (start_ssa_stmt_operands): Delete.
10229         * tree-flow.h (struct stmt_ann_d): Replace operand vectors with new
10230         struct stmt_operands_d.
10231         (build_ssa_operands): New extern entry point.
10232         * tree-ssa-dom.c (record_equivalences_from_stmt): Remove operand
10233         building code, replace with create_ssa_artficial_load_stmt().
10234         * tree-ssa-operands.c (struct voperands_d): Delete.
10235         (allocate_v_may_def_optype): Allocate v_may_def_operand_type_t vector.
10236         (allocate_v_must_def_optype): Use sizeof (tree), not sizeof (tree *).
10237         (free_uses, free_defs, free_vuses, free_v_may_defs,
10238         free_v_must_defs): Remove dealloc parameter.
10239         (remove_vuses, remove_v_may_def, remove_v_must_defs): Delete.
10240         (finalize_ssa_defs, finalize_ssa_uses, finalize_ssa_v_may_defs,
10241         finalize_ssa_vuses, finalize_ssa_v_must_defs): Perform all operand
10242         vector comparisons, ssa_name reuse, and allocations here.
10243         (verify_start_operands): Delete.
10244         (finalize_ssa_stmt_operands): Set new operands by calling finalize
10245         routines.
10246         (start_ssa_stmt_operands): Move from tree-flow-inline.h.
10247         (append_def, append_usei): Simplify to simple accumulation.
10248         (append_v_may_def, append_vuse, append_v_must_def): Simplify to avoiding
10249         duplicates and simple accumulation.
10250         (free_ssa_operands): Free vectors in a stmt_operand structure.
10251         (build_ssa_operands): New. Create a new stmt_operand structure from
10252         a stmt and an old set of stmt_operands.
10253         (get_stmt_operands): Simplify and call build_ssa_operands.
10254         (get_expr_operands, get_asm_expr_operands, get_indirect_ref_operands,
10255         get_call_expr_operands, add_stmt_operand, add_call_clobber_ops,
10256         add_call_read_ops): Don't pass prev_vops around anymore.
10257         (note_addressable): Return if no stmt annotation.
10258         (copy_virtual_operands): Access v_may_def operands through a struct.
10259         (create_ssa_artficial_load_stmt): New.  Create a load stmt for DOM's
10260         hash tables without treating the stmt as a real stmt.
10261         * tree-ssa-operands.h (struct v_may_def_operand_type): New.  Access
10262         v_may_def def and use through a struct instead of 2 array elements.
10263         (struct v_may_def_optype_d): Use v_may_def_operand_type.
10264         (struct stmt_operands_d): New.  Struct for storing all operand vectors.
10265
10266 2004-08-11  Nick Clifton  <nickc@redhat.com>
10267
10268         * config/arm/arm.c (arm_is_longcall_p): Update comment describing
10269         this funciton's behaviour.  Return true when the current function
10270         has a section attribute and -mlong-calls is in effect.
10271         * config/arm/arm.h (ARM_DECLARE_FUNCTION_SIZE): Do not set the
10272         short-call marker when -mlong-calls is in effect and the function
10273         has a section attribute.
10274
10275 2004-08-10  Zack Weinberg  <zack@codesourcery.com>
10276
10277         * stmt.c (expand_return): If asked to return the RESULT_DECL,
10278         just call expand_value_return on result_rtl.
10279
10280 2004-08-10  Richard Henderson  <rth@redhat.com>
10281
10282         * builtins.def (BUILT_IN_STACK_ALLOC): Remove.
10283         * builtins.c (expand_builtin) <BUILT_IN_STACK_ALLOC>: Remove.
10284         * dwarf2out.c (loc_descriptor): Handle PARALLEL here ...
10285         (add_location_or_const_value_attribute): ... not here.  Use
10286         loc_descriptor_from_tree if possible.
10287         (loc_descriptor_from_tree_1): Rename from loc_descriptor_from_tree.
10288         Simplify address handling.  Handle DECL_VALUE_EXPR.  Handle register
10289         values specially.
10290         (loc_descriptor_from_tree): New.  Update callers.
10291         * expr.c (expand_var): Ignore DECL_VALUE_EXPR variables.
10292         * gimplify.c (gimplify_decl_expr): Lower variable sized types to
10293         pointer plus dereference.  Set DECL_VALUE_EXPR.  Set save_stack.
10294         (gimplify_call_expr): Do not recognize BUILT_IN_STACK_ALLOC
10295         and BUILT_IN_STACK_RESTORE.
10296         (gimplify_expr): Lower DECL_VALUE_EXPR decls.
10297         * stmt.c (expand_stack_alloc): Remove.
10298         * tree-mudflap.c (mx_register_decls): Don't look for
10299         BUILT_IN_STACK_ALLOC.
10300         * tree-nested.c (convert_local_reference): Likewise.
10301         * tree.h (DECL_VALUE_EXPR): New.
10302
10303 2004-08-10  Richard Henderson  <rth@redhat.com>
10304
10305         * stor-layout.c (round_up): Check for 0/1 before dividing.
10306         (round_down): Likewise.
10307
10308         * tree-tailcall.c (suitable_for_tail_opt_p): Also check DECL_EXTERNAL.
10309
10310 2004-08-09  Mark Mitchell  <mark@codesourcery.com>
10311
10312         * config.gcc (arm*-*-eabi*): New target.
10313         * defaults.h (TARGET_LIBGCC_FUNCS): New macro.
10314         (TARGET_LIB_INT_CMP_BIASED): Likewise.
10315         * expmed.c (expand_divmod): Try a two-valued divmod function as a
10316         last resort.
10317         * gthr.h: Remove bogus tokens at end of #pragma.
10318         * optabs.c (expand_twoval_binop_libfunc): New function.
10319         (prepare_cmp_insn): Handle the !TARGET_LIB_INT_CMP_BIASED case.
10320         (prepare_float_lib_cmp): Try reversing the condition.
10321         (debug_optab_libfuncs): New function.
10322         * optabs.h (expand_twoval_binop_libfunc): Declare.
10323         * config/arm/arm.c (arm_init_libfuncs): New function.
10324         (arm_compute_initial_eliminatino_offset): Return HOST_WIDE_INT.
10325         (TARGET_INIT_LIBFUNCS): Define it.
10326         * config/arm/arm.h (TARGET_BPABI): New macro.
10327         * config/arm/arm-protos.h
10328         (arm_compute_initial_elimination_offset): Return HOST_WIDE_INT.
10329         * config/arm/bpabi.S: New file.
10330         * config/arm/bpabi.c: Likewise.
10331         * config/arm/bpabi.h: Likewise.
10332         * config/arm/ieee754-df.S (__aeabi_dneg): New function or alias.
10333         (__aeabi_drsub): Likewise.
10334         (__aeabi_dsub): Likewise.
10335         (__aeabi_dadd): Likewise.
10336         (__aeabi_ui2d): Likewise.
10337         (__aeabi_i2d): Likewise.
10338         (__aeabi_f2d): Likewise.
10339         (__aeabi_dmul): Likewise.
10340         (__aeabi_ddiv): Likewise.
10341         (__aeabi_cdrcmple): Likewise.
10342         (__aeabi_cdcmpeq): Likewise.
10343         (__aeabi_cdcmple): Likewise.
10344         (__aeabi_dcmpeq): Likewise.
10345         (__aeabi_dcmplt): Likewise.
10346         (__aeabi_dcmple): Likewise.
10347         (__aeabi_dcmpge): Likewise.
10348         (__aeabi_dcmpgt): Likewise.
10349         (__aeabi_dcmpun): Likewise.
10350         (__aeabi_d2iz): Likewise.
10351         (__aeabi_d2uiz): Likewise.
10352         (__aeabi_d2f): Likewise.
10353         * config/arm/ieee754-sf.S (__aeabi_fneg): New function or alias.
10354         (__aeabi_frsub): Likewise.
10355         (__aeabi_fsub): Likewise.
10356         (__aeabi_fadd): Likewise.
10357         (__aeabi_ui2f): Likewise.
10358         (__aeabi_i2f): Likewise.
10359         (__aeabi_fmul): Likewise.
10360         (__aeabi_fdiv): Likewise.
10361         (__aeabi_cfrcmple): Likewise.
10362         (__aeabi_cfcmpeq): Likewise.
10363         (__aeabi_cfcmple): Likewise.
10364         (__aeabi_fcmpeq): Likewise.
10365         (__aeabi_fcmplt): Likewise.
10366         (__aeabi_fcmple): Likewise.
10367         (__aeabi_fcmpge): Likewise.
10368         (__aeabi_fcmpgt): Likewise.
10369         (__aeabi_fcmpun): Likewise.
10370         (__aeabi_f2iz): Likewise.
10371         (__aeabi_f2uiz): Likewise.
10372         * config/arm/lib1funcs.asm (ARM_CALL): New macro.
10373         (__aeabi_uidivmod): New function or alias.
10374         (__aeabi_idivmod): Likewise.
10375         (__aeabi_idiv0): Likewise.
10376         (__aeabi_ldiv0): Likewise.
10377         (__aeabi_llsr): Likewise.
10378         (__aeabi_lasr): Likewise.
10379         (__aeabi_llsl): Likewise.
10380         (bpabi.S): Include it.
10381         * config/arm/libgcc-bpabi.ver: New file.
10382         * config/arm/symbian.h (ARM_DEFAULT_ABI): Remove.
10383         (LINK_SPEC): Remove.
10384         * config/arm/t-arm-elf (LIB1ASMFUNCS): Add __aeabi_lcmp and
10385         __aeabi_ulcmp.
10386         * config/arm/t-bpabi: New file.
10387         * doc/tm.texi (TARGET_LIBGCC_FUNCS): New entry.
10388         (TARGET_LIB_INT_CMP_BIASED): Likewise.
10389
10390 2004-08-10  David Edelsohn  <edelsohn@gnu.org>
10391
10392         * config/rs6000/rs6000-protos.h (expand_block_clear): Declare.
10393         * config/rs6000/rs6000.md (clrmemsi): New pattern.
10394         * config/rs6000/rs6000.c (expand_block_clear): New function.
10395         (expand_block_move): Convert alignment to bits.  Use SImode and
10396         HImode for unaligned addresses if not STRICT_ALIGNMENT.
10397
10398 2004-08-10  Caroline Tice  <ctice@apple.com>
10399
10400         * varasm.c (unlikely_section_label): New global variable.
10401         (unlikely_text_section_name): New global variable.
10402         (text_section):  Remove alignment statement.
10403         (unlikely_text_section): Remove alignment statement; use
10404         unlikely_section_label rather than hard-coded string.
10405         (assemble_start_function): Initialize unlikely_section_label and
10406         unlikely_text_section_name;  make sure cold section is properly
10407         aligned at start of function; output unlikely_section_label if
10408         appropriate.
10409
10410 2004-08-10  Ulrich Weigand  <uweigand@de.ibm.com>
10411
10412         * config/s390/s390-protos.h (s390_canonicalize_comparison): Declare.
10413         * config/s390/s390.c (s390_canonicalize_comparison): New function.
10414         * config/s390/s390.h (CANONICALIZE_COMPARISON): Define.
10415         * config/s390/s390.md ("*tmdi_ext", "*tmsi_ext", "*tmqisi_ext",
10416         "*tmqidi_ext", "*tmdi_mem", "*tmsi_mem", "*tmhi_mem"): Remove.
10417         ("*tmqi_mem"): Remove SUBREG from pattern.
10418         ("*anddi3_cconly"): Prevent accidentally matching TM pattern.
10419         ("*andsi3_cconly"): Likewise.
10420
10421 2004-08-10  H.J. Lu  <hongjiu.lu@intel.com>
10422
10423         PR target/16909
10424         * config/i386/i386.md (*strsetdi_rex_1): Use DI instead of SI.
10425
10426 2004-08-10  Janis Johnson  <janis187@us.ibm.com>
10427
10428         * doc/sourcebuild.texi (compat testing): Document available test
10429         framework commands.  Use the preferred spelling of DejaGnu.
10430
10431 2004-08-10  Daniel Berlin <dberlin@dberlin.org>
10432
10433         * lambda.h: Add matrix type, and prototypes for remainder of
10434         matrix and vector functions.
10435         (lambda_vector_mult_const): New function.
10436         (lambda_vector_negate): Ditto.
10437         (lambda_vector_add): Ditto.
10438         (lambda_vector_add_mc): Ditto.
10439         (lambda_vector_copy): Ditto.
10440         (lambda_vector_zerop): Ditto.
10441         (lambda_vector_equal): Ditto.
10442         (lambda_vector_min_nz): Ditto.
10443         (lambda_vector_first_nz): Ditto.
10444         (lambda_vector_matrix_mult): Ditto.
10445         * lambda-mat.c: New file.
10446         * Makefile.in (lambda-mat.o): New.
10447
10448 2004-08-10  Andrew MacLeod  <amacleod@redhat.com>
10449
10450         * tree-cfg.c (bsi_insert_before, bsi_insert_after): Call modify_stmt
10451         after linking stmt into the program.
10452         (bsi_remove): Don't call modify_stmt.
10453         * tree-complex.c (update_complex_assignment,
10454         expand_complex_comparison): Call modify_stmt after changing the stmt.
10455         * tree-outof-ssa.c (rewrite_trees): Call modify_stmt only if not
10456         removing the stmt.
10457         * tree-ssa-ccp.c (substitute_and_fold): Call modify_stmt after changing
10458         the stmt, and only if needed.
10459         * tree-ssa-dom.c (thread_across_edge): Pass no annotation for a dummy
10460         expression.
10461         (simplify_rhs_and_lookup_avail_expr): Don't take an annotation param.
10462         (simplify_cond_and_lookup_avail_expr): Use modify_stmt.
10463         (simplify_switch_and_lookup_avail_expr): Don't take an annotation param.
10464         (eliminate_redundant_computations): Don't pass an annotation. Call
10465         modify_stmt rather than setting the annotation directly.
10466         (record_equivalences_from_stmt): Remove unused local 'j'.
10467         (cprop_operand): Take a stmt rather than an annotation as a parameter.
10468         Call modify_stmt.
10469         (cprop_into_stmt): Pass stmt rather than annotation.
10470         (update_rhs_and_lookup_avail_expr): Call modify_stmt.
10471         * tree-ssa-loop-im.c (schedule_sm): Call get_stmt_ann rather than
10472         modify_stmt.
10473         * tree-ssa.c (propagate_into_addr): Dont call modify_stmt.
10474
10475 2004-08-10  Jason Merrill  <jason@redhat.com>
10476
10477         PR middle-end/16948
10478         * function.c (expand_function_start): Handle DECL_BY_REFERENCE on
10479         the RESULT_DECL.
10480
10481 2004-08-10  Geoffrey Keating  <geoffk@apple.com>
10482
10483         * tree-vn.c (val_expr_pair_expr_eq): Compare vuses, to match the
10484         hash function.
10485
10486 2004-08-10  Roger Sayle  <roger@eyesopen.com>
10487
10488         * config/mips/mips.md: New reciprocal square root patterns that
10489         match sqrt(1.0/x) in addition to the existing 1.0/sqrt(x) insns.
10490
10491 2004-08-10  Paul Brook  <paul@codesourcery.com>
10492
10493         * config/arm/arm-protos.h (arm_set_return_address,
10494         thumb_set_return_address): Add prototypes.
10495         * config/arm/arm.h (ARM_FT_EXCEPTION_HANDLER): Remove.
10496         * config/arm/arm.c (arm_compute_func_type,
10497         use_return_insn, arm_compute_save_reg0_reg12_mask,
10498         arm_compute_save_reg_mask, arm_output_function_prologue,
10499         arm_output_epilogue): Replace ARM_FT_EXCEPTION_HANDLER with
10500         current_function_calls_eh_return.
10501         (thumb_exit, thumb_pushpop, thumb_unexpanded_epilogue): Replace
10502         old eh code.
10503         (arm_set_return_address, thumb_set_return_address): New functions.
10504         * config/arm/arm.h (MUST_USE_SJLJ_EXCEPTIONS, DWARF2_UNWIND_INFO,
10505         ARM_EH_STACKADJ_REGNUM, EH_RETURN_STACKADJ_RTX): Define.
10506         * config/arm/arm.md (VUNSPEC_EH_RETURN): Add.
10507         (epilogue): Use the stackadj register.
10508         (eh_return, arm_eh_return, thumb_eh_return): New pattern.
10509
10510 2004-08-10  Jakub Jelinek  <jakub@redhat.com>
10511
10512         PR target/3144
10513         * expr.c (move_by_pieces_ninsns): Add max_size argument.
10514         (MOVE_BY_PIECES_P): Pass MOVE_MAX_PIECES + 1 to it.
10515         (CLEAR_BY_PIECES_P): Pass STORE_MAX_PIECES + 1 to it.
10516         (STORE_BY_PIECES_P): Define similarly to CLEAR_BY_PIECES_P,
10517         but using MOVE_RATIO.
10518         (move_by_pieces): Pass max_size to move_by_pieces_ninsns.
10519         (can_store_by_pieces): Change max_size type to unsigned int.
10520         (store_by_pieces_1): Likewise.  Pass max_size to
10521         move_by_pieces_ninsns.
10522         * config/s390/s390.h (STORE_BY_PIECES_P): Define.
10523         * config/sh/sh.c (MOVE_BY_PIECES_P): Pass MOVE_MAX_PIECES + 1
10524         to move_by_pieces_ninsns.
10525         (STORE_BY_PIECES_P): Define.
10526         * config/ns32k/ns32k.h (STORE_BY_PIECES_P): Pass STORE_MAX_PIECES + 1
10527         to move_by_pieces_ninsns.
10528         * doc/tm.texi (STORE_BY_PIECES_P): Document changed default.
10529
10530         * config/i386/i386.h (CLEAR_RATIO): Define.
10531
10532 2004-08-09  Paolo Bonzini  <bonzini@gnu.org>
10533
10534         * expr.c (expand_expr_real_1): Add back code that was not dead.
10535
10536 2004-08-09  Andrew Pinski  <apinski@apple.com>
10537
10538         * c-common.c (c_common_get_alias_set): Set the aliasing set of the type
10539         which is found to be compatible before returning the aliasing set.
10540
10541 2004-08-09  Daniel Jacobowitz  <dan@debian.org>
10542
10543         * ggc-zone.c (struct alloc_zone): Add statistics counters.
10544         (always_collect): New flag.
10545         (ggc_alloc_zone_1): Update statistics support.  Don't include
10546         overhead in allocated counter.
10547         (sweep_pages): Update allocated counter for large pages.  Don'y
10548         include overhead.
10549         (ggc_collect_1): Always collect.
10550         (ggc_collect): Honor always_collect flag.  Sum all zones to decide
10551         whether to collect.
10552         (SCALE, LABEL): New macros.
10553         (ggc_print_statistics): Add statistics support.
10554
10555 2004-08-09  Roger Sayle  <roger@eyesopen.com>
10556
10557         * expmed.c (sdiv_pow2_cheap, smod_pow2_cheap): Change type to bool.
10558         (init_expmed): Fix potential overrun problem with "all.reg".
10559         (expand_sdiv2_pow2): Add an alternate implementation for signed
10560         division, if the target provides a suitable conditional move insn.
10561
10562 2004-08-09  Paul Brook  <paul@codesourcery.com>
10563         Richard Henderson  <rth@redhat.com>
10564
10565         * unwind-dw2.c (uw_install_context_1): Update target saved stack
10566         pointer.
10567
10568 2004-08-09  Geoffrey Keating  <geoffk@apple.com>
10569
10570         * ggc-common.c (ggc_rlimit_bound): Don't check RSS limit.
10571         Check DATA limit only if there's no AS limit.  Ignore insanely
10572         low DATA limits.
10573         (ggc_min_heapsize_heuristic): Don't divide AS or RSS limits by 8,
10574         but take care that the AS limit isn't overrun.
10575         * doc/invoke.texi: Update documentation of min-heapsize parameter.
10576
10577 2004-08-09  Jeff Law  <law@redhat.com>
10578
10579         * Makefile.in (OBJC-common): Add tree-ssa-threadupdate.c
10580         (tree-ssa-threadupdate.o): Add dependencies.
10581         * tree-ssa-threadupdate.c: New file.
10582         * tree-flow.h (incoming_edge_threaded): New flag in block annotation.
10583         (rewrite_vars_out_of_ssa): Remove prototype.
10584         (cleanup_tree_cfg): Returns a bool.
10585         * tree.h (thread_through_all_blocks): Prototype.
10586         * tree-outof-ssa.c  (SSANORM_*): Move into here.
10587         (remove_ssa_form): Now static.
10588         (rewrite_vars_out_of_ssa): Kill.
10589         * tree-ssa-live.c (register_ssa_partitions_for_vars): Kill.
10590         * tree-ssa-live.h (SSANORM_*): Moved into tree-outof-ssa.c.
10591         (remove_ssa_form, register_partitions_for_vars): Kill declarations.
10592         * tree-cfg.c (cleanup_tree_cfg): Return a value indicating if
10593         anything was changed.
10594         * tree-phinodes.c (add_phi_arg): Get the block for the PHI
10595         from the PHI's annotation rather than the edge associated with
10596         the new argument.
10597         * tree-ssa-dom.c (redirection_edges): Kill.
10598         (redirect_edges_and_update_ssa_graph): Kill.
10599         (tree_ssa_dominator_optimize): Do not reset forwardable flag
10600         for blocks anymore.  Do not initialize redirection_edges.
10601         Call thread_through_all_blocks.  Simplify code for cleanup
10602         of the CFG and iterating.  No longer call cleanup_tree_cfg
10603         outside the iteration loop.
10604         (thread_across_edge): No longer mess with forwardable blocks.
10605
10606 2004-08-09  Zack Weinberg  <zack@codesourcery.com>
10607
10608         * explow.c (memory_address): Use memory_address_p.
10609         * recog.c (general_operand): Likewise.
10610         * regrename.c: No need to define REG_OK_STRICT.
10611
10612 2004-08-09  Steven Bosscher  <stevenb@suse.de>
10613
10614         * timevar.def (TV_CPROP1, TV_CPROP2, TV_PRE, TV_HOIST, TV_LSM):
10615         New timers.
10616         * gcse.c: Include timevar.h.
10617         (const_prop_count, copy_prop_count): Rename to global_const_prop_count
10618         and global_copy_prop_count.
10619         (local_const_prop_count, local_copy_prop_count): New static globals.
10620         (gcse_main): Set the right timevar for each pass.
10621         (cprop_jump): Increment global_const_prop_count when a constant is
10622         propagated.  Add "GLOBAL" to dump output.
10623         (cprop_insn): Increment global_const_prop_count when a constant is
10624         propagated, or global_copy_prop_count when a copy is propagated.
10625         (do_local_cprop): Likewise for local_const_prop_count and
10626         local_copy_prop_count.
10627         (one_cprop_pass): Initialize const/cprop counters to zero.
10628         Print out results of local and global const/cprop separately.
10629         (bypass_block): Break over-length line.
10630         * Makefile.in (gcse.o): Add TIMEVAR_H dependency.  Fix dependencies
10631         for bb-reorder.o and tracer.o.
10632
10633 2004-08-09  Paolo Bonzini  <bonzini@gnu.org>
10634
10635         * Makefile.in (GTFILES): Remove stmt.c
10636         (stmt.o): Do not depend on gt-stmt.h.
10637         * emit-rtl.c (emit_line_note): Do not call
10638         set_file_and_line_for_stmt.
10639         * expr.c (expand_expr_real_1) <SWITCH_EXPR>: Let expand_case
10640         do everything.
10641         * function.c (free_after_parsing): Do not free STMT field.
10642         (allocate_struct_function): Do not call init_stmt_for_function.
10643         (assign_stack_temp_for_type): Do not accept values of keep
10644         other than 0 or 1.
10645         (init_temp_slots): Do not initialize removed variables.
10646         * function.h (struct function): Remove STMT, X_TARGET_TEMP_SLOT_LEVEL
10647         and X_VAR_TEMP_SLOT_LEVEL fields.
10648         * rtl.h (set_file_and_line_for_stmt): Remove.
10649         * stmt.c (struct nesting, ALLOC_NESTING, POPSTACK,
10650         struct stmt_status, cond_stack, case_stack, nesting_stack,
10651         nesting_depth, emit_locus, set_file_and_line_for_stmt,
10652         same_case_target_p, init_stmt_for_function, emit_nop,
10653         expand_start_cond, expand_start_elseif, expand_start_else,
10654         expand_elseif, expand_end_cond): Remove.
10655         (preserve_subexpressions_p): Remove references to CFUN->STMT.
10656         (expand_start_case, expand_end_case_type): Remove, merge into...
10657         (expand_case): ... this one, including other bits from
10658         expand_expr_real_1.  Inline same_case_target_p.  Turn members
10659         of CASE_STACK into local variables.
10660         (emit_case_bit_tests): Inline same_case_target_p.
10661         (add_case_node): Add HEAD argument, return new head of the list,
10662         do not handle default label here.
10663         * tree.h (expand_start_cond, expand_end_cond, expand_start_else,
10664         expand_start_elseif, current_nesting_level, expand_start_case,
10665         expand_end_case_type, expand_end_case, add_case_node,
10666         init_stmt_for_function, expand_elseif): Remove prototypes.
10667         (expand_case): Add prototype.
10668
10669 2004-08-09  Paolo Bonzini  <bonzini@gnu.org>
10670
10671         * expr.c (expand_expr_real_1): Use optab_for_tree_code.
10672
10673 2004-08-09  Paolo Bonzini  <bonzini@gnu.org>
10674
10675         * expr.c (var_rtx): Remove.
10676         (expand_expr_real_1) <LOOP_EXPR, EXIT_EXPR,
10677         LABELED_BLOCK_EXPR, EXIT_BLOCK_EXPR, TRUTH_ANDIF_EXPR,
10678         TRUTH_ORIF_EXPR, COMPOUND_EXPR, CONJ_EXPR, INIT_EXPR>:
10679         Abort.
10680         (expand_expr_real_1) <COND_EXPR>: Remove most special cases.
10681         * optabs.c (emit_clr_insn, emit_0_to_1_insn): Remove.
10682         * optabs.h (emit_clr_insn, emit_0_to_1_insn): Remove.
10683
10684 2004-08-08  Mostafa Hagog  <mustafa@il.ibm.com>
10685         Ayal Zaks <zaks@il.ibm.com>
10686
10687         * common.opt (freschedule-modulo-scheduled-loops): New flag.
10688         * final.c (final_scan_insn): Handle NOTE_DISABLE_SCHED_OF_BLOCK.
10689         * modulo-sched.c (sms_schedule): Emit a note to disable scheduling
10690         when -freschedule-modulo-scheduled-loops flag is not specified.
10691         (sms_schedule_by_order, ps_insn_advance_column, add_node_to_ps,
10692         add_node_to_ps, ps_has_conflicts, ps_add_node_check_conflicts):
10693         More accurate placing of insn in row of partial schedule.
10694         (ps_insn_find_column): New function.
10695         * rtl.h (NOTE_DISABLE_SCHED_OF_BLOCK): New note.
10696         * sched-rgn.c (sched_is_disabled_for_current_region_p): New.
10697         (schedule_region): Use sched_is_disabled_for_current_region_p.
10698         * docs/invoke.texi: Document -freschedule-modulo-scheduled-loops.
10699
10700 2004-08-07  H.J. Lu  <hongjiu.lu@intel.com>
10701
10702         * config/i386/i386.c (ix86_expand_clrmem): Revert the last
10703         change.
10704
10705 2004-08-07  H.J. Lu  <hongjiu.lu@intel.com>
10706
10707         * config/i386/i386.c (ix86_expand_clrmem): Properly call
10708         gen_strset for 64bit target.
10709
10710 2004-08-07  Olivier Hainque  <hainque@act-europe.fr>
10711
10712         * config/vxworks.h (HANDLE_SYSV_PRAGMA): Remove definition.
10713
10714 2004-08-07  Jason Merrill  <jason@redhat.com>
10715
10716         Make return in memory explicit.
10717         * function.c (aggregate_value_p): Check DECL_BY_REFERENCE.
10718         (assign_parm_find_data_types): Remove code for old front end
10719         invisible reference handling.
10720         (assign_parms): Handle DECL_BY_REFERENCE on the RESULT_DECL.
10721         (expand_function_end): Likewise.
10722         * gimplify.c (gimplify_return_expr): Handle a dereferenced
10723         RESULT_DECL.
10724         * tree-inline.c (copy_body_r): Don't bother looking for &* anymore.
10725         (declare_return_variable): Handle DECL_BY_REFERENCE.
10726         * cp/cp-gimplify.c (is_invisiref_parm): Also handle RESULT_DECL.
10727         (cp_genericize_r): Use convert_from_reference.
10728         Don't dereference a RESULT_DECL directly inside a RETURN_EXPR.
10729         (cp_genericize): Handle the RESULT_DECL.  Unset TREE_ADDRESSABLE.
10730
10731         * c-common.c (c_warn_unused_result): Check TREE_USED before
10732         warning about a CALL_EXPR with an unused value.
10733
10734 2004-08-06  Mark Mitchell  <mark@codesourcery.com>
10735
10736         * config/arm/symbian.h (CC1_SPEC): Avoid passing duplicate options
10737         to the compiler.  Use -fshort-wchar by default.
10738
10739 2004-08-06  Pat Haugen  <pthaugen@us.ibm.com>
10740
10741         * params.def (PARAM_MIN_CROSSJUMP_INSNS): New.
10742         * cfgcleanup.c (try_crossjump_to_edge): Add minimum insn match
10743         threshhold.
10744         * doc/invoke.texi (param): Document min-crossjump-insns.
10745
10746 2004-08-06  Richard Sandiford  <rsandifo@redhat.com>
10747
10748         PR c/13282
10749         * c.opt (Wmissing-field-initializers): New option.
10750         * c-opts.c (c_common_post_options): Make -Wextra turn it on by default.
10751         * c-typeck.c (pop_init_level): Guard the missing field warning with
10752         warn_missing_field_initializers rather than extra_warnings.
10753         * doc/invoke.texi (-Wmissing-field-initializers): Document, moving
10754         some of the explanation from...
10755         (-Wextra): ...here.  Say that the missing field warning can be
10756         seperately controlled by -Wmissing-field-initializers.
10757
10758 2004-08-06  Paolo Bonzini  <bonzini@gnu.org>
10759
10760         * expr.c (expand_expr_real_1) <ENTRY_VALUE_EXPR>: Remove.
10761         * tree-inline.c (estimate_num_insns_1) <ENTRY_VALUE_EXPR>: Remove.
10762         * tree-pretty-print.c (dump_generic_node) <ENTRY_VALUE_EXPR>: Remove.
10763         * tree.def (ENTRY_VALUE_EXPR): Remove.
10764
10765 2004-08-06  Jakub Jelinek  <jakub@redhat.com>
10766
10767         * config/i386/i386.c (ix86_expand_clrmem): Move gen_cld down to
10768         the places where it is actually needed.  Don't use repz; stosb
10769         for -Os with sufficiently small constant sizes.
10770         For sufficiently small repz; stos{l,q} repeat counts use a sequence
10771         of stos{l,q} instructions instead.
10772
10773 2004-08-06  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
10774
10775         PR tree-optimization/16807
10776         * loop-iv.c (dump_iv_info): Dump invariants correctly.
10777         (iv_subreg, iv_extend): Express value of invariant purely in
10778         base field.
10779
10780 2004-08-06  Mark Mitchell  <mark@codesourcery.com>
10781
10782         * config/arm/symbian.h (CC1_SPEC): Add -fno-short-enums.
10783         (CC1PLUS_SPEC): Define it to be the same as CC1_SPEC.
10784
10785 2004-08-06  Roman Zippel  <zippel@linux-m68k.org>
10786
10787         * config/m68k/m68k.c (post_inc_operand,pre_dec_operand): New.
10788         * config/m68k/m68k.h (PREDICATE_CODES): add post_inc_operand,
10789         pre_dec_operand.
10790         * config/m68k/m68k.md (zero_extend*2): delay the splitting of the
10791         pattern until reload is finished to allow better code generation
10792         and split them completely into separate instrunctions.
10793         (*andsi3_split): New pattern.
10794
10795 2004-08-05  Mark Mitchell  <mark@codesourcery.com>
10796
10797         * tree.c (handle_dll_attribute): Move here from i383/winnt.c.
10798         Replace use of DECL_INLINE with DECL_DECLARED_INLINE_P.  Set
10799         DECL_VISIBLITY.  Test TARGET_DLLIMPORT_DECL_ATTRIBUTES with #if.
10800         * tree.h (handle_dll_attribute): Declare.  Test
10801         TARGET_DLLIMPORT_DECL_ATTRIBUTES with #if.
10802         * c-common.h (c_determine_visibility): Declare.
10803         * c-common.c (c_determine_visibility): New function.
10804         * c-decl.c (finish_decl): Use it.
10805         (finish_function): Likewise.
10806         * defaults.h (TARGET_DLLIMPORT_DECL_ATTRIBUTES): Define it to
10807         zero, by default.  Use #if, not #ifdef, to test it.
10808         * config/arm/arm.c (arm_attribute_table): Use
10809         handle_dll_attribute.  Test TARGET_DLLIMPORT_DECL_ATTRIBUTES with
10810         #if.
10811         * config/arm/pe.h (TARGET_DLLIMPORT_DECL_ATTRIBUTES): Define to 1.
10812         * config/i386/cygming.h (TARGET_DLLIMPORT_DECL_ATTRIBUTES): Define
10813         to 1.
10814         * config/i386/i386-protos.h (ix86_handle_dll_attribute): Remove.
10815         * config/i386/i386.c (ix86_attribute_table): Use
10816         handle_dll_attribute for dllimport/dllexport.  Test
10817         TARGET_DLLIMPORT_DECL_ATTRIBUTES with #if.
10818         * config/i386/winnt.c (ix86_handle_dll_attribute): Remove.
10819         * config/mcore/mcore.h (TARGET_DLLIMPORT_DECL_ATTRIBUTES): Define
10820         it to 1.
10821         * config/mcore/mcore.c (TARGET_DLLIMPORT_DECL_ATTRIBUTES): Test it
10822         with #if.
10823         * config/sh/symbian-pre.h (TARGET_DLLIMPORT_DECL_ATTRIBUTES): Define
10824         it to 1.
10825         * doc/extend.texi (dllexport): Clarify and correct documentation.
10826         (dllimport): Likewise.
10827         * doc/tm.texi (TARGET_DLLIMPORT_DECL_ATTRIBUTES): Mention
10828         handle_dll_attribute.
10829
10830 2004-08-05  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
10831
10832         * tree-ssa-loop-manip.c: New file.
10833         * Makefile.in (tree-ssa-loop-manip.o): Add.
10834         * tree-flow.h (rewrite_into_loop_closed_ssa, verify_loop_closed_ssa):
10835         Declare.
10836         * tree-ssa-loop.c (tree_loop_optimizer_init): Create loop closed ssa
10837         form.
10838         (tree_ssa_loop_done): Verify loop closed ssa form.
10839         * tree-ssa-loop-im.c (move_computations): Update loop closed ssa form.
10840
10841 2004-08-05  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
10842
10843         * pa.c (pa_asm_output_aligned_bss, pa_asm_output_aligned_common,
10844         pa_asm_output_aligned_local): New functions.
10845         * pa-protos.h: Add prototypes for pa_asm_output_aligned_bss,
10846         pa_asm_output_aligned_common and pa_asm_output_aligned_local.
10847         * pa-pro-end.h (ASM_OUTPUT_ALIGNED_COMMON): Use
10848         pa_asm_output_aligned_common.
10849         (ASM_OUTPUT_ALIGNED_LOCAL): Use pa_asm_output_aligned_local.
10850         * pa.h (ASM_OUTPUT_ALIGNED_BSS): New macro.
10851         (ASM_OUTPUT_ALIGNED_COMMON): Use pa_asm_output_aligned_common.
10852         (ASM_OUTPUT_ALIGNED_LOCAL): Use pa_asm_output_aligned_local.
10853         * pa64-hpux.h (MAX_OFILE_ALIGNMENT): New macro.
10854         (ASM_OUTPUT_ALIGNED_COMMON): Use pa_asm_output_aligned_common.
10855         (ASM_OUTPUT_ALIGNED_LOCAL): Use pa_asm_output_aligned_local.
10856         * som.h (MAX_OFILE_ALIGNMENT): Provide maximum alignment of global
10857         common data.
10858
10859 2004-08-05  Andrew Pinski  <apinski@apple.com>
10860
10861         * objc/objc-act.c (build_objc_string_object): Mark the address
10862         expression as constant.
10863
10864 2004-08-05  David Edelsohn  <edelsohn@gnu.org>
10865
10866         * config/rs6000/rs6000.c (rs6000_rtx_costs): Fix mask_operand
10867         and mask64_operand thinkos.  Handle ZERO_EXTRACT.  Handle
10868         SIGN_EXTEND / ZERO_EXTEND of MEM.  Handle rlwinm patterns.
10869
10870 2004-08-05  Joseph S. Myers  <jsm@polyomino.org.uk>
10871
10872         * config/linux.h, config/i386/linux.h, config/sparc/linux.h:
10873         Remove definitions conditioned on USE_GNULIBC_1 or conditioned
10874         out, and associated obsolete comments.
10875
10876 2004-08-05  Nathan Sidwell  <nathan@codesourcery.com>
10877
10878         * tree.h (force_fit_type): Return a tree, take three flags.
10879         * fold-const.c (force_fit_type): Set TREE_OVERFLOW and
10880         TREE_CONSTANT_OVERFLOW here.
10881         (int_const_binop, const_binop): Adjust.
10882         (size_int_type): Do sign extension here.
10883         (fold_convert_const, optimize_bit_field_compare,
10884         decode_field_reference, all_ones_mask_p, fold_div_compare, fold,
10885         fold_negate_const, fold_abs_const, fold_not_const): Adjust.
10886         * tree.c (size_in_bytes, int_fits_type_p): Adjust.
10887
10888 2004-08-05  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
10889
10890         PR tree-optimization/16864
10891         * tree-tailcall.c (eliminate_tail_call): Do not create phi nodes
10892         for ssa names without default_def.
10893
10894 2004-08-05  Richard Sandiford  <rsandifo@redhat.com>
10895
10896         * config/i386/i386.c (ix86_expand_prologue): If the function uses a
10897         frame pointer, restore eax with an ebp-relative address.
10898
10899 2004-08-04  Geoffrey Keating  <geoffk@apple.com>
10900
10901         PR 14516
10902         * c-common.c (c_expand_decl): Don't special-case static VAR_DECLs.
10903         * c-common.h (make_rtl_for_local_static): Delete.
10904         * c-decl.c (shadow_tag_warned): Clean up comment.
10905         (finish_decl): Clean up spacing.  Use set_user_assembler_name when
10906         appropriate.  Don't pass asmspec to rest_of_decl_compilation.
10907         * c-semantics.c (make_rtl_for_local_static): Delete.
10908         * expr.c (init_block_move_fn): Use set_user_assembler_name.
10909         (init_block_clear_fn): Likewise.
10910         * passes.c (rest_of_decl_compilation): Remove asmspec parameter,
10911         expect it to be in DECL_ASSEMBLER_NAME.  Update callers in many files.
10912         * toplev.h (rest_of_decl_compilation): Remove asmspec parameter.
10913         * tree.h (make_decl_rtl): Remove second parameter.
10914         (set_user_assembler_name): New.
10915         * varasm.c (set_user_assembler_name): New.
10916         (make_decl_rtl): Remove second parameter.  Update callers in many
10917         files.
10918
10919 2004-08-05  Adam Nemet  <anemet@lnxw.com>
10920
10921         * config.gcc (case i[34567]86-*-lynxos*): Update to LynxOS 4.0.
10922         (case rs6000-*-lynxos*): Rename it to powerpc-*-lynxos*.  Update
10923         to LynxOS 4.0.
10924         * gthr-lynx.h: New file.
10925         * config/lynx-ng.h: Remove file.
10926         * config/lynx.h: Update to LynxOS 4.0.
10927         * config/t-lynx: New file.
10928         * config/i386/lynx-ng.h: Remove file.
10929         * config/i386/lynx.h: Update to LynxOS 4.0.
10930         * config/rs6000/lynxbase.h: Remove file.
10931         * config/rs6000/lynx.h: Update to LynxOS 4.0.
10932         * config/rs6000/t-lynx: New file.
10933         * doc/install.texi (Options specification): Remove reference to
10934         LynxOS from systems where --with-gnu-as makes a difference.
10935
10936 2004-08-05  Joseph S. Myers  <jsm@polyomino.org.uk>
10937
10938         * c-common.c (c_stddef_cpp_builtins): Define __INTMAX_TYPE__ and
10939         __UINTMAX_TYPE__.
10940         * c-cppbuiltin.c (builtin_define_stdint_macros): New.  Define
10941         __INTMAX_MAX__.
10942         (c_cpp_builtins): Call it.
10943         * doc/cpp.texi: Update.
10944
10945 2004-08-04  David Edelsohn  <edelsohn@gnu.org>
10946
10947         * config/rs6000/rs6000.c (rs6000_rtx_costs): LABEL_REFs are zero
10948         cost.
10949
10950 2004-08-04  Jan Hubicka  <jh@suse.cz>
10951
10952         * basic-block.h (profile_staus): New global variable.
10953         * cfg.c (profile_status): Declare.
10954         (check_bb_profile): Break out from ....; use profile_status
10955         (dump_flow_info): ... here.
10956         * cfgbuild.c (find_basic_blocks): Set profile_status.
10957         * cfgexpand.c (tree_expand_cfg): Likewise.
10958         * predict.c (estimate_probability): Likewise.
10959         * profile.c (branch_prob): Likewise.
10960         * tree-cfg.c (build_tree_cfg): Likewise.
10961         (dump_function_to_file): Use check_bb_profile.
10962         * tree-pretty-print (dump_bb_header): Likewise.
10963         * tree-profile.c (do_tree_profiling): Cleanup.
10964
10965 2004-08-04  Zack Weinberg  <zack@codesourcery.com>
10966
10967         * Makefile.in (RTL_BASE_H, RTL_H): Correct.
10968         (BUILD_RTL): Remove $(BUILD_PREFIX) from ggc-none.o.
10969         (genobjs): Add errors.o, ggc-none.o, and min-insn-modes.o.
10970         (read-rtl.o, gensupport.o, genconfig.o, genflags.o, gencodes.o)
10971         (genconstants.o, genemit.o, genopinit.o, genrecog.o, genextract.o)
10972         (genpeep.o, genattr.o, genattrtab.o, genautomata.o, genoutput.o)
10973         (genconditions.o): Depend on $(RTL_BASE_H) not $(RTL_H).
10974         (ggc-none.o, errors.o): Move rule to generators section;
10975         correct dependencies.
10976         (min-insn-modes.o): Move rule to generators section; remove
10977         unnecessary explicit command; correct dependencies.
10978         (print-rtl.o, print-rtl1.o): Correct dependencies.
10979         ($(BUILD_PREFIX_1)errors.o. $(BUILD_PREFIX_1)ggc-none.o): Delete rule.
10980         (mostlyclean): Update.
10981
10982         * errors.c: Include bconfig.h not config.h.  Correct comment.
10983         * gengtype.c, genpreds.c: Don't define NO_GENRTL_H.
10984         * ggc-none.c: Include bconfig.h; not config.h or tm.h.
10985         * print-rtl.c: Don't include tm_p.h.
10986
10987         * rtl.h: Move forward-decl of struct function down where it's
10988         needed.  Include genrtl.h #ifndef GENERATOR_FILE, not
10989         #ifndef NO_GENRTL_H.  Remove unnecessary #ifdef BUFSIZ statements.
10990
10991 2004-08-04  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
10992             Jeff Law  <law@redhat.com>
10993
10994         * tree-cfg.c (tree_duplicate_bb): Mark duplicated definitions.
10995         * tree-flow.h (rewrite_ssa_into_ssa): Declaration changed.
10996         * tree-into-ssa.c (rewrite_ssa_into_ssa): Use new interface to
10997         manipulate the duplicated ssa names.
10998         * tree-ssanames.c (ssa_names_to_rewrite): New variable.
10999         (marked_for_rewrite_p, any_marked_for_rewrite_p, mark_for_rewrite,
11000         unmark_all_for_rewrite, marked_ssa_names, release_ssa_name_force):
11001         New functions.
11002         (release_ssa_name): Do not release ssa names that may have multiple
11003         definitions.
11004         * tree.h (release_ssa_name_force, mark_for_rewrite,
11005         unmark_all_for_rewrite, marked_for_rewrite_p, any_marked_for_rewrite_p,
11006         marked_ssa_names): Declare.
11007         * tree-ssa-loop-ch.c (mark_defs_for_rewrite): Remove.
11008         (duplicate_blocks): Remove call to mark_defs_for_rewrite.
11009         Update call to rewrite_ssa_into_ssa.
11010
11011 2004-08-04  Mark Mitchell  <mark@codesourcery.com>
11012
11013         * defaults.h (TARGET_DECLSPEC): New macro.
11014         * c-cppbuiltin.c (c_cpp_builtins): Handle TARGET_DECLSPEC.
11015         * config/arm/pe.h (SUBTARGET_CPP_SPEC): Remove __declspec support.
11016         * config/arm/symbian.h (TARGET_DLLIMPORT_DECL_ATTRIBUTES): Define.
11017         * config/i386/beof-elf.h (TARGET_OS_CPP_BUILTINS): Remove
11018         __declspec support.
11019         (TARGET_DECLSPEC): Define.
11020         * config/i386/cygming.h (TARGET_OS_CPP_BUILTINS): Remove
11021         __declspec support.
11022         * config/i386/i386-interix.h (TARGET_OS_CPP_BUILTINS): Remove
11023         __declspec support.
11024         (TARGET_DECLSPEC): Define.
11025         * config/mcore/mcore.h (TARGET_CPU_CPP_BUILTINS): Remove
11026         __declspec support.
11027         * config/sh/symbian-pre.h (SUBTARGET_CPP_SPEC): Remove __declspec
11028         support.
11029         * doc/tm.texi (TARGET_DECLSPEC): Document.
11030
11031         * doc/extend.texi: Fix typo in comment.
11032
11033 2004-08-04  Paul Brook  <paul@codesourcery.com>
11034
11035         * target-def.h (TARGET_CXX_CDTOR_RETURNS_THIS): Define.
11036         (TARGET_CXX): Use it.
11037         * target.h (struct gcc_target): Add cdtor_returns_this.
11038         * config/arm/arm.c (arm_cxx_cdtor_returns_this): New function.
11039         (TARGET_CXX_CDTOR_RETURNS_THIS): Define.
11040         * doc/tm.texi: Document TARGET_CXX_CDTOR_RETURNS_THIS.
11041
11042 2004-08-03  Nathan Sidwell  <nathan@codesourcery.com>
11043
11044         * c-lex.c (narrowest_unsigned_type, narrowest_signed_type): Take
11045         low/high pair. Do range checking directly.
11046         (interpret_integer): Adjust.
11047
11048 2004-08-04  Nick Clifton  <nickc@redhat.com>
11049
11050         * config/sh/sh.h (TARGET_SWITCHES): Add no-renesas to select the
11051         GCC ABI.
11052         * doc/invoke.texi: Document this new switch and also the -mrenesas
11053         switch.
11054
11055 2004-08-04  Nathan Sidwell  <nathan@codesourcery.com>
11056
11057         * cfglayout.c (insn_locators_initialize): Update the current
11058         location before initializing a location.
11059
11060 2004-08-03  Zack Weinberg  <zack@codesourcery.com>
11061
11062         * dbxout.c (dbxout_function_decl): Always call dbxout_function_end.
11063         (dbxout_function_end): Return after emitting the "Lscope" symbol
11064         under the same conditions that this function formerly wasn't called.
11065         Add explanatory comments.
11066
11067         PR 14860
11068         * c-decl.c (record_builtin_type): Call debug_hooks->type_decl
11069         on the new decl.
11070
11071         PR 13956
11072         * dbxout.c (dbx_output_lbrac, dbx_output_rbrac): New
11073         functions, broken out of dbxout_block.
11074         (dbxout_block): The block at depth 0 should get LBRAC/RBRAC
11075         stabs too, if it contains symbols.  Use the begin_label and
11076         the Lscope label (emitted by dbxout_function_end) for the
11077         range of this block.
11078
11079 2004-08-03  Nathanael Nerode  <neroden@gcc.gnu.org>
11080
11081         * doc/install.texi: Update autoconf version requirements.
11082
11083 2004-08-03  Zack Weinberg  <zack@codesourcery.com>
11084
11085         * defaults.h (LEGITIMATE_PIC_OPERAND_P): Provide default definition.
11086         * recog.c (general_operand, immediate_operand, nonmemory_operand)
11087         (asm_operand_ok): Remove #ifdefs on LEGITIMATE_PICOPERAND_P.
11088         * regclass.c (record_reg_classes): Likewise.
11089         * reload.c (find_reloads): Likewise.
11090         * reload1.c (reload): Likewise.
11091
11092 2004-08-03  Zack Weinberg  <zack@codesourcery.com>
11093
11094         * gensupport.c (init_md_reader_args_cb): Renamed from
11095         init_md_reader_args.  Add third option, callback function for
11096         parsing program-specific options.  Add diagnosis of incorrect
11097         number of input files.
11098         (init_md_reader): Fold into init_md_reader_args_cb.
11099         (init_md_reader_args): Now a thin wrapper around
11100         init_md_reader_args_cb.
11101         * gensupport.h: Update prototypes.
11102
11103         * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
11104         * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
11105         * genrecog.c: No need to diagnose lack of an input file;
11106         init_md_reader_args will handle it.
11107         * genconditions.c: Likewise, and use init_md_reader_args.
11108         * genconstants.c: Likewise, and no need to call read_md_rtx.
11109
11110 2004-08-03  Joseph S. Myers  <jsm@polyomino.org.uk>
11111
11112         * c-decl.c (implicitly_declare): Diagnose incompatible implicit
11113         declarations.
11114
11115 2004-08-03  Mike Stump  <mrs@apple.com>
11116
11117         * config/darwin-c.c: Don't search in "/Local/Library/Frameworks"
11118         for frameworks.
11119         * doc/invoke.texi (Darwin Options): Update to reflect above.
11120
11121 2004-08-03  Roger Sayle  <roger@eyesopen.com>
11122
11123         PR middle-end/16790
11124         * fold-const.c (extract_muldiv_1) <NOP_EXPR>: Disallow local
11125         truncations, not just global truncations.
11126
11127 2004-08-03  Andrew Pinski  <apinski@apple.com>
11128
11129         PR bootstrap/16865
11130         * loop-iv.c (simplify_using_assignment): Initialize lhs.
11131
11132 2004-08-03  Paul Brook  <paul@codesourcery.com>
11133
11134         * gcc/doc/install.texi: Document MPFR requirement.
11135
11136 2004-08-03  Maciej W. Rozycki  <macro@linux-mips.org>
11137
11138         * aclocal.m4 (gcc_AC_FUNC_MMAP_BLACKLIST): Check for <sys/mman.h>
11139         and mmap() explicitly instead of relying on preset autoconf cache
11140         variables.
11141         * configure: Regenerate.
11142
11143 2004-08-03  H.J. Lu  <hongjiu.lu@intel.com>
11144
11145         PR target/16570
11146         * config.gcc (i[34567]86-*-* | x86_64-*-*): Add i386/t-gmm_malloc
11147         to tmake_file.
11148         (i[34567]86-*-linux*aout* | i[34567]86-*-linux*libc1): Likewise.
11149         (i[34567]86-*-linux* | x86_64-*-linux*): Add i386/t-pmm_malloc
11150         to tmake_file.
11151
11152         * config/i386/t-gmm_malloc: New file.
11153         * config/i386/t-pmm_malloc: Likewise.
11154
11155         * config/i386/xmmintrin.h: Include <mm_malloc.h>.
11156
11157 2004-08-03  H.J. Lu  <hongjiu.lu@intel.com>
11158             Tanguy Fautrà <tfautre@pandora.be>
11159
11160         * config/i386/pmm_malloc.h: New file.
11161
11162 2004-08-03  Danny Smith  <dannysmith@users.sourceforge.net>
11163
11164         * config/i386/gmm_malloc.h: New file.
11165
11166 2004-08-03  Dale Johannesen  <dalej@apple.com>
11167
11168         * config/rs6000/rs6000.c (machopic_output_stub):  Align Darwin stubs.
11169         * c-common.c: Include opts.h.
11170         (c_common_get_alias_set): Fix check for a single input file.
11171         * toplev.c: Remove current_file_decl.
11172         * tree.h: Ditto.
11173
11174 2004-08-03  Mark Mitchell  <mark@codesourcery.com>
11175
11176         * config.gcc (arm*-*-symbianelf*): New target.
11177         * config/arm/symbian.h: New file.
11178
11179         * gthr-gnat.c: Add visibility #pragmas.
11180         * gthr-gnat.h : Likewise.
11181         * gthr.h: Likewise.
11182         * libgcc2.c (__ffsSI2): Move prototype to libgcc2.h.
11183         (__ffsDI2): Likewise.
11184         (__clzSI2): Likewise.
11185         (__ctzSI2): Likewise.
11186         (__ctzDI2): Likewise.
11187         (__popcountSI2): Likewise.
11188         (__popcountDI2): Likewise.
11189         (__paritySI2): Likewise.
11190         (__parityDI2): Likewise.
11191         * libgcc2.h: Add visibility #pragmas.
11192         (__clzDI2): Add prototype.
11193         (__clzSI2): Likewise.
11194         (__ctzSI2): Likewise.
11195         (__ffsDI2): Likewise.
11196         (__ffsSI2): Likewise.
11197         (__ctzDI2): Likewise.
11198         (__popcountSI2): Likewise.
11199         (__popcountDI2): Likewise.
11200         (__paritySI2): Likewise.
11201         (__parityDI2): Likewise.
11202         * unwind-dw2-fde.h: Add visibility #pragmas.
11203         * unwind.h: Likewise.
11204
11205 2004-08-03  David Edelsohn  <edelsohn@gnu.org>
11206             Dale Johannesen  <dalej@apple.com>
11207             Roger Sayle  <roger@eyesopen.com>
11208
11209         * config/rs6000/rs6000.c (rs6000_rtx_costs): Calculate cost of
11210         constants more accurately.  Adjust costs for FMA instructions.
11211         Add cases for most logical and float operations.  Recurse into
11212         most operands.
11213
11214 2004-08-03  Richard Earnshaw  <rearnsha@arm.com>
11215
11216         * config.gcc (strongarm-*, xscale-*): Add t-arm to tmake_files.
11217
11218 2004-08-03  Pat Haugen  <pthaugen@us.ibm.com>
11219
11220         * ra-build.c (conflicts_between_webs): For webs that cross a call add
11221         conflicts to regs_invalidated_by_call.
11222
11223 2004-08-03  Paul Brook  <paul@codesourcery.com>
11224
11225         * config/arm/arm.c (emit_sfm): Only emit a single frame adjustment.
11226
11227 2004-08-03  Jan Hubicka  <jh@suse.cz>
11228
11229         * coverage.c (tree_coverage_counter_ref): Fix computation of the new
11230         ARRAY_REF argument.
11231
11232 2004-08-03  Richard Earnshaw  <rearnsha@arm.com>
11233
11234         * arm-cores.def: Sort by architecture.  Add arm946es, arm966es,
11235         arm968es, arm10e, arm1020e, arm1022e.
11236         * invoke.texi: Update list of ARM cores.
11237         * arm-tune.md: Regenerate.
11238
11239 2004-08-03  Richard Earnshaw <rearnsha@arm.com>
11240
11241         * arm/gentune.sh: New file.
11242         * arm/t-arm: New file.
11243         * arm/arm-tune.md: New file (autogenerated).
11244         * config.gcc (arm*-*-*): Add t-arm to tmake_file for all variants.
11245         * arm.md (attribute tune): Delete.  Include arm-tune.md.
11246
11247 2004-08-03  Paolo Bonzini <bonzini@gnu.org>
11248
11249         * gcc.c (add_prefix, add_sysrooted_prefix): Remove
11250         penultimate parameter.  All callers adjusted.
11251         (struct prefix_list): Remove used_flag_ptr.
11252         (find_a_file): Do not set *pl->used_flag_ptr.
11253         (warn_B, warn_std_ptr): Remove.
11254
11255 2004-08-03  Yossi Markovich <yossim@il.ibm.com>
11256             Mostafa Hagog <mustafa@il.ibm.com>
11257
11258         * config/rs6000/altivec.md (altivec_vnmsubfp): Fix wrong pattern.
11259
11260 2004-08-02  Geoffrey Keating  <geoffk@apple.com>
11261
11262         * dwarf2out.c (output_call_frame_info): Don't change data format
11263         due to TARGET_USES_WEAK_UNWIND_INFO.  Always refer to the local
11264         label.  Use 'true' not '1'.
11265         * doc/install.texi (powerpc-*-darwin*): Mention cctools version
11266         required.
11267
11268 2004-08-02  Gabriel Dos Reis  <gdr@integrable-solutions.net>
11269
11270         * gdbinit.in: Reflect previous changes to rtunion_def.
11271
11272 2004-08-02  Roger Sayle  <roger@eyesopen.com>
11273
11274         * fold-const.c (fold) <TRUNC_MOD_EXPR>: The transformation "X % -Y"
11275         -> "X % Y" is only valid for TRUNC_MOD_EXPR.
11276
11277 2004-08-02  Gabriel Dos Reis  <gdr@integrable-solutions.net>
11278
11279         * vec.h (DEF_VEC_P): Add proper cast to uses of vec_o_reserve and
11280         vec_p_reserve.
11281         * langhooks.h (lang_hooks::builtin_function): Rename parameter
11282         from "class" to "bt_class".
11283
11284 2004-08-02  Paul Brook  <paul@codesourcery.com>
11285
11286         PR rtl-optimization/15068
11287         * flow.c (init_propagate_block_info): Check condition is reversible.
11288
11289 2004-08-02  Gabriel Dos Reis  <gdr@integrable-solutions.net>
11290
11291         * gengtype.h (options::info): Change type to const char *.
11292         (enum gc_used_enum): Move out of struct type scope.
11293         * gengtype.c (create_option): Convert initializer for option::info to
11294         appropiate type.
11295         (adjust_field_type, walk_type, write_func_for_structure,
11296         write_root, write_roots): Remove pointless cast.
11297
11298 2004-08-02  J"orn Rennecke <joern.rennecke@superh.com>
11299
11300         * genopinit.c (gen_insn): Check for MODE_COMPLEX_FLOAT patterns for $F.
11301
11302 2004-08-02  Gabriel Dos Reis  <gdr@integrable-solutions.net>
11303
11304         * rtl.h (union rtunion_def): Have all members  start with the
11305         prefix "rt_".
11306         (XINT, XSTR, XEXP, XVEC, XMODE, XBITMAP, XTREE, XBBDEF, XTMPL,
11307         X0INT, X0UINT, X0STR, X0EXP, X0VEC, X0MODE, X0BITMAP, X0TREE,
11308         X0MEMATTR, X0BBDEF, X0REGATTR, XCINT, XCUINT, XCSTR, XCEXP,
11309         XCVEC, XCMODE, XCBITMAP, XCTREE, XCBBDEF, XC2EXP): Adjust members
11310         access.
11311         * gengtype.c (adjust_field_rtx_def): Likewise.
11312         * rtlanal.c (loc_mentioned_in_p): Likewise.
11313
11314 2004-08-02  Richard Sandiford  <rsandifo@redhat.com>
11315
11316         * config.gcc (mips*-*-elf*, mips*-*-rtems*): Add elfos.h to tm_file.
11317         Replace uses of mips/elf64.h with mips/elf.h
11318         * config/mips/elf.h (MAX_OFILE_ALIGNMENT, TARGET_ASM_NAMED_SECTION)
11319         (TYPE_OPERAND_FMT, TYPE_ASM_OP, SIZE_ASM_OP, BSS_SECTION_ASM_OP)
11320         (ASM_OUTPUT_ALIGNED_BSS, ASM_WEAKEN_LABEL, ASM_OUTPUT_WEAK_ALIAS)
11321         (MAKE_DECL_ONE_ONLY, INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP)
11322         (HANDLE_SYSV_PRAGMA): Delete.
11323         (ASM_OUTPUT_DEF): Fix formatting.
11324         * config/mips/elf64.h: Delete.
11325
11326 2004-08-01  Zack Weinberg  <zack@codesourcery.com>
11327
11328         * config/ia64/ia64.c (got_symbolic_operand): Do require a
11329         symbol+offset operand to have its offset be zero mod 0x3fff
11330         when GOT entries are in use.  Clarify logic in SYMBOL_REF
11331         case.  Clarify comments.
11332         (ia64_expand_load_address): Split a symbol+offset load when
11333         the offset is nonzero mod 0x3fff, not 0x1fff.
11334
11335 2004-08-01  Geoffrey Keating  <geoffk@apple.com>
11336
11337         * config/rs6000/rs6000.c (rs6000_split_multireg_move): Just abort
11338         if trying to *store* to a non-offsettable address.
11339         * config/rs6000/rs6000.md (movtf_internal): Don't move GPRs to
11340         a nonoffsettable address.
11341         (movdi_internal32): Don't move GPRs to a nonoffsettable address.
11342         Clean up.
11343         (movti_string): Don't move GPRs to a nonoffsettable address.
11344         (movti_ppc64): Don't move GPRs to a nonoffsettable address.  Clean up.
11345
11346 2004-08-02  Ben Elliston  <bje@au.ibm.com>
11347
11348         PR target/16155
11349         * config/rs6000/altivec.h: Replace typeof with __typeof__.
11350
11351 2004-08-01  Richard Henderson  <rth@redhat.com>
11352
11353         * expr.c (expand_expr_real_1) <normal_inner_ref>: Fix crash with
11354         variable sized types.
11355
11356 2004-08-01  Richard Sandiford  <rsandifo@redhat.com>
11357
11358         * doc/invoke.texi: In the MIPS options section, remove the passage
11359         saying that -mexplicit-relocs is usually disabled for -mabicalls
11360         -fno-unit-at-a-time.
11361         * config/mips/mips.c (override_options): Remove the code that enforced
11362         this rule.
11363
11364 2004-08-01  Richard Sandiford  <rsandifo@redhat.com>
11365
11366         * config/mips/mips.md (cprestore): Provide two alternatives, one for
11367         an in-range offset and one for an out-of-range offset.  Wrap the latter
11368         in .set macro/.set nomacro if it's inside a .set nomacro block.
11369
11370 2004-08-01  Richard Sandiford  <rsandifo@redhat.com>
11371
11372         * config/mips/mips-protos.h (mips_gp_save_slot): Remove.
11373         (mips_restore_gp): Declare.
11374         * config/mips/mips.c (mips_add_offset): Add a scratch register
11375         argument.  Reimplement in rtl only, reusing MIPS16 logic from
11376         mips_output_mi_thunk.
11377         (mips_legitimize_address, mips_legitimize_const_move): Adjust calls
11378         to mips_add_offset.
11379         (mips_gp_save_slot): Delete.
11380         (mips_restore_gp): New function.
11381         (mips_set_return_address, mips_output_mi_thunk): Use mips_add_offset.
11382         * config/mips/mips.md (exception_receiver): Turn into a
11383         define_insn_and_split.  Use mips_restore_gp to do the split.
11384         (call_internal, call_value_internal, call_value_multiple_internal): Use
11385         mips_restore_gp to restore $gp.
11386
11387 2004-07-31  Andrew Pinski  <apinski@apple.com>
11388
11389         PR other/16842
11390         * mkheaders.in (libsubdir): s/gcc-lib/gcc/.
11391
11392 2004-07-31  Joseph S. Myers  <jsm@polyomino.org.uk>
11393
11394         * c-decl.c (diagnose_mismatched_decls): Give error for external
11395         redeclaration of identifier declared with no linkage, not just
11396         warning with -Wtraditional.  Do not check DECL_CONTEXT to give
11397         error for redeclaration with no linkage.
11398
11399 2004-07-30  Geoffrey Keating  <geoffk@apple.com>
11400             Fariborz Jahanian <fjahanian@apple.com>
11401
11402         * config/rs6000/rs6000.c (legitimate_lo_sum_address_p): Permit
11403         non-offsettable addresses even for DImode.
11404         (rs6000_split_multireg_move): Cope with non-offsettable addresses
11405         being moved into multiple GPRs.
11406
11407         * config/rs6000/rs6000.c (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Default
11408         to 64.
11409         (rs6000_override_options): Use RS6000_DEFAULT_LONG_DOUBLE_SIZE.
11410         * config/rs6000/darwin.h (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define
11411         to 128.
11412         * config/rs6000/darwin-ldouble.c (isless): New macro.
11413         (inf): New macro.
11414         (nonfinite): New macro.
11415         (FPKINF): Delete.
11416         (_xlqadd): Completely rewrite.
11417         (_xlqmul): Correct overflow handling.
11418         (_xlqdiv): Correct overflow handling.
11419         * config/rs6000/darwin-ldouble-format: New file.
11420
11421 2004-07-30  Roger Sayle  <roger@eyesopen.com>
11422             Richard Henderson  <rth@redhat.com>
11423
11424         * config/i386/i386.md: New peephole2's to convert imul by 3, 5 or
11425         9 into the equivalent lea instruction.
11426
11427 2004-07-30  Richard Henderson  <rth@redhat.com>
11428
11429         * gimplify.c (gimplify_expr) <case CONST_DECL>: Don't replace
11430         with DECL_INITIAL if fb_lvalue.
11431         * tree-gimple.c (is_gimple_id): Add CONST_DECL.
11432         * tree-pretty-print.c (dump_decl_name): Dump unnamed CONST_DECL
11433         with <Cxxx>.
11434         * tree-ssa-ccp.c (maybe_fold_stmt_indirect): Fold CONST_DECL.
11435
11436 2004-07-30  Diego Novillo  <dnovillo@redhat.com>
11437
11438         * tree-ssa-alias.c (compute_points_to_and_addr_escape): If a
11439         pointer escapes through a function call, assume that the
11440         callee will dereference it.
11441         (add_pointed_to_var): Assume that VALUE is always an
11442         ADDR_EXPR.
11443         (collect_points_to_info_r): Only call add_pointed_to_var if
11444         the value is an ADDR_EXPR.
11445
11446 2004-07-30  Diego Novillo  <dnovillo@redhat.com>
11447
11448         * tree-ssa-alias.c (create_alias_map_for): Do not get the
11449         alias set of the inner type of ARRAY_TYPEs.
11450
11451 2004-07-29  Diego Novillo  <dnovillo@redhat.com>
11452
11453         * tree-ssa-ccp.c (visit_assignment): Move code to prevent
11454         setting a non-register to UNDEFINED right before the call to
11455         set_lattice_value.
11456
11457 2004-07-29  Kaz Kojima  <kkojima@gcc.gnu.org>
11458
11459         * config/sh/lib1funcs.asm: Make aliases movstr* for movmem*.
11460
11461 2004-07-29  Diego Novillo  <dnovillo@redhat.com>
11462
11463         * tree-ssa.c (verify_flow_sensitive_alias_info): When
11464         comparing points-to sets of different pointers, make sure the
11465         second pointer is actually referenced in the code.
11466
11467 2004-07-29  Zack Weinberg  <zack@codesourcery.com>
11468
11469         * config/ia64/ia64.c (setjmp_operand): Delete, unused.
11470         (got_symbolic_operand): Remove unreachable code.
11471         * config/ia64/ia64.h (PREDICATE_CODES): Remove entry for
11472         setjmp_operand; add entry for tls_symbolic_operand.
11473         * config/ia64/ia64-protos.h: Remove all prototypes of
11474         predicate functions.
11475
11476 2004-07-29  Mark Mitchell  <mark@codesourcery.com>
11477
11478         * c-common.h (lang_post_pch_load): New variable.
11479         * c-pch.c (lang_post_pch_load): Define it.
11480         (c_common_read_pch): Use it.
11481         * cgraphunit.c (record_call_1): Give the front end a chance to
11482         record additional needed entities when a variable is marked as
11483         needed.
11484         * tlink.c (recompile_files): Robustify.
11485         (scan_linker_output): If a symbol is assigned to a file,
11486         but after recompilation is not present there, issue an error
11487         message.
11488
11489 2004-07-29  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
11490
11491         * tree-ssa-loop-im.c (force_move_till_expr, force_move_till):
11492         Take orig_loop argument and pass it to set_level.
11493         (schedule_sm): Pass the correct orig_loop to force_move_till.
11494
11495 2004-07-29  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
11496
11497         * cfgloop.c (update_latch_info): Update dominator of the new block.
11498         (canonicalize_loop_headers, flow_loops_find): Do not free dominance
11499         info.
11500         * dominance.c (verify_dominators): Check that the dominance tree is
11501         connected.
11502         (recount_dominator): Ignore unreachable blocks.
11503         (iterate_fix_dominators): Cleanup old dominance information before
11504         recomputing it.
11505
11506 2004-07-29  Diego Novillo  <dnovillo@redhat.com>
11507
11508         * tree-ssa-operands.c (get_expr_operands): Revert changes
11509         to ADDR_EXPR processing introduced by:
11510             2004-06-21  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
11511             * tree-ssa-operands.c (get_expr_operands): Minor rearrangements.
11512
11513 2004-07-29  Joseph S. Myers  <jsm@polyomino.org.uk>
11514
11515         * doc/implement-c.texi: Add C90 subclause references.  Point to
11516         preprocessor documentation instead of duplicating it.  Add points
11517         only present in C90.  Fill in documentation for all points.
11518
11519 2004-07-29  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
11520
11521         * pa.c (output_movb): Correct typo.
11522
11523 2004-07-29  Pat Haugen  <pthaugen@us.ibm.com>
11524
11525         * ra.h (single_reg_in_regclass): Declare.
11526         * ra.c (single_reg_in_regclass): Define.
11527         (first_hard_reg): New.
11528         (init_ra): Initialize single_reg_in_regclass.
11529         * ra-colorize.c (ok_class): New.
11530         (coalesce, aggressive_coalesce, extended_coalesce_2): Use it.
11531
11532 2004-07-29  Nathan Sidwell  <nathan@codesourcery.com>
11533
11534         * gcov-io.h: Allow zero tag as EOF indicator.
11535         (gcov_is_eof): Remove.
11536         (gcov_truncate): Remove.
11537         * gcov-io.c (gcov_seek): Always SEEK_SET.
11538         * libgcov.c (gcov_exit): Don't use gcov_truncate.  Write explicit
11539         EOF tag.
11540         * coverage.c (read_counts_file): Don't use gcov_is_eof.
11541         * gcov-dump.c (dump_file): Likewise.
11542         * gcov.c (read_graph_file, read_count_file): Likewise.
11543
11544         * c-decl.c (complete_array_type): Don't gratuitously copy
11545         maxindex.  Check it always has a type.
11546
11547 2004-07-29  Steven Bosscher  <stevenb@suse.de>
11548
11549         * rtl.c (currently_expanding_to_rtl): New.
11550         * rtl.h (currently_expanding_to_rtl): Export it.
11551         * cfgexpand.c (tree_cfg_expand): Set/clear it at entry/exit.
11552
11553         * config/alpha/alpha.c (alpha_expand_mov): Remove old RTL
11554         inliner hack.
11555         * config/sh/sh.c: Replace rtx_equal_function_value_matters
11556         with currently_expanding_to_rtl.
11557         * config/sh/sh.md: Likewise.
11558         * config/ia64/ia64.c (got_symbolic_operand): Likewise.
11559
11560 2004-07-29  Alexandre Oliva  <aoliva@redhat.com>
11561
11562         Introduce sh2a support.
11563         2004-07-29  Alexandre Oliva  <aoliva@redhat.com>
11564         * config.gcc: Build multilibs for sh2a and sh2a-single by
11565         default.
11566         * config/sh/sh.h (SUPPORT_SH2A, SUPPORT_SH2A_SINGLE): Define by
11567         default.  Split their tests out of the corresponding SH4
11568         multilibs.
11569         * config/sh/t-sh (MULTILIB_MATCHES): Don't ever use SH4 or SH4a
11570         multilibs for SH2a.
11571         2004-07-28  Alexandre Oliva  <aoliva@redhat.com>
11572         * config.gcc: Handle sh2a multilibs and cpu selection.
11573         * config/sh/sh.h: Likewise.  Handle sh2a command line flags.
11574         * config/sh/t-mlib-sh2a: New.
11575         * config/sh/t-mlib-sh2a-nofpu: New.
11576         * config/sh/t-mlib-sh2a-single: New.
11577         * config/sh/t-mlib-sh2a-single-only: New.
11578         2004-07-09  Nick Clifton  <nickc@redhat.com>
11579         Issue 43400
11580         * config/sh/sh.h (DRIVER_SELF_SPECS): Issue an error message if
11581         -ml and -m2a are used together.
11582         2004-03-23  DJ Delorie  <dj@redhat.com>
11583         * config/sh/sh.c (sh_builtin_saveregs): Use the double code only
11584         when we have a double-sized FPU.
11585         2004-02-24  Corinna Vinschen <vinschen@redhat.com>
11586         * config/sh/lib1funcs.asm (set_fpscr): Don't build if __SH2A_NOFPU__
11587         is set.
11588         * config/sh/elf.h (SUBTARGET_ASM_ISA_SPEC): Add cases for -msh2a-nofpu,
11589         -msh2a-single and -msh2a-single-only
11590         2004-02-24  Corinna Vinschen <vinschen@redhat.com>
11591         * config/sh/crt1.asm: Don't generate FPU instructions if __SH2A_NOFPU__
11592         is set.
11593         2004-02-20  DJ Delorie  <dj@delorie.com>
11594         * config/sh/sh.md (movsf_i, movsf_ie, movsf, ble, bge): Disable for sh2a-nofpu.
11595         2004-02-20  Fred Fish <fnf@redhat.com>,
11596         Corinna Vinschen <vinschen@redhat.com>
11597         * config/sh/t-sh (MULTILIB_OPTIONS): Add 2a-nofpu.
11598         (MULTILIB_EXCEPTIONS): Don't build littel-endian on sh2a.
11599         2004-02-18  DJ Delorie  <dj@redhat.com>
11600         * config/sh/sh.c (broken_move): Add support for movi20.
11601         * config/sh/sh.h: Likewise.
11602         (SHIFT_COUNT_TRUNCATED): Set for sh2a.
11603         * config/sh/sh.md (udivsi3_sh2a): New.
11604         (udivsi3): Call it.
11605         (divsi3_sh2a): New.
11606         (divsi3): Call it.
11607         (mul_r): New.
11608         (ashlsi3_sh2a): New.
11609         (ashrsi3_sh2a): New.
11610         (lshrsi3_sh2a): New.
11611         (movsi_i): Disable for sh2a.
11612         (movsi_ie): Add movi20.
11613         (movsf_i, movsf_ie, movsf, ble, untyped_call): Explicitly enable
11614         sh2a, for -m2a-nofpu mode.
11615         2004-02-13  DJ Delorie  <dj@redhat.com>
11616         * config/sh/lib1funcs.asm: Handle double vs single better.
11617         * config/sh/sh.h: Likewise.
11618         2004-02-09  DJ Delorie  <dj@redhat.com>
11619         * config/sh/crt1.asm: Add support for sh2a.
11620         * config/sh/elf.h: Likewise.
11621         * config/sh/lib1funcs.asm: Likewise.
11622         * config/sh/sh.c: Likewise.
11623         * config/sh/sh.md: Likewise.
11624         * config/sh/sh.h: Likewise.
11625         * config/sh/t-sh: Likewise.
11626
11627 2004-07-28  Alexandre Oliva  <aoliva@redhat.com>
11628
11629         * config/frv/frv.md (movqi_internal, movhi_internal,
11630         movsi_internal): Add backup alternatives for memory inputs.
11631
11632 2004-07-28  Matt Austern  <austern@apple.com>
11633
11634         * config/darwin.c (darwin_one_byte_bool): New global variable.
11635         * config/darwin.h (darwin_one_byte_bool): Declare.
11636         (SUBTARGET_OPTIONS): Define macro.  (for -mone-byte-bool flag.)
11637         * config/rs6000/darwin.h (BOOL_TYPE_SIZE): Conditionalize on
11638         value of darwin_one_byte_bool.
11639         * doc/invoke.texi: Document -mone-byte-bool flag.
11640
11641 2004-07-28  Eric Christopher  <echristo@redhat.com>
11642
11643         * c-common.c (c_common_unsafe_for_reeval): Delete.
11644         * c-lang.c (LANG_HOOKS_UNSAFE_FOR_REEVAL): Delete use.
11645         * c-pretty-print.c (pp_c_expression): Delete UNSAVE_EXPR case.
11646         * calls.c (fix_unsafe_tree): Delete.
11647         (expand_call): Delete code which used above.
11648         * dojump.c (do_jump): Delete UNSAVE_EXPR case.
11649         * expr.c (expand_expr_real_1): Ditto.
11650         * fold-const.c (non_lvalue): Ditto.
11651         * langhooks-def.h (LANG_HOOKS_UNSAFE_FOR_REEVAL): Delete.
11652         (lhd_unsafe_for_reeval): Ditto.
11653         * langhooks.c (lhd_unsafe_for_reeval): Ditto.
11654         * langhooks.h (unsafe_for_reeval): Ditto.
11655         (unsave_expr_now): Adjust comment.
11656         * tree-inline.c (copy_body_r): Delete UNSAVE_EXPR bits.
11657         (estimate_num_insns_1): Ditto.
11658         * tree-pretty-print.c (dump_generic_node): Ditto.
11659         * tree.c (expr_align): Ditto.
11660         (unsave_expr): Delete.
11661         (unsafe_for_reeval): Ditto.
11662         * tree.h (unsafe_for_reeval, unsave_expr): Ditto.
11663         * tree.def (UNSAVE_EXPR): Delete.
11664         * objc/objc-lang.c (LANG_HOOKS_UNSAFE_FOR_REEVAL): Delete.
11665
11666 2004-07-28  Zack Weinberg  <zack@codesourcery.com>
11667
11668         * tree.h (enum tls_model): Move ...
11669         * coretypes.h: ... here.
11670
11671 2004-07-28  Richard Sandiford <rsandifo@redhat.com>
11672
11673         * config/frv/frv.h (EPILOGUE_USES): New.  Use LR.
11674
11675 2004-07-28  Richard Sandiford  <rsandifo@redhat.com>
11676
11677         * cse.c (validate_canon_reg): New function, split out from...
11678         (canon_reg): ...here.  Use validate_canon_reg for both 'e' and 'E'.
11679
11680 2004-07-28  Diego Novillo  <dnovillo@redhat.com>
11681
11682         * tree-ssa-alias.c (maybe_create_global_var): Don't just
11683         return if .GLOBAL_VAR has been created.
11684
11685 2004-07-28  Diego Novillo  <dnovillo@redhat.com>
11686
11687         * tree-ssa.c (verify_flow_insensitive_alias_info): Process
11688         every variable that may have aliases, not just tags.
11689
11690 2004-07-28  Aldy Hernandez  <aldyh@redhat.com>
11691
11692         * config/rs6000/rs6000.md ("move_from_CR_gt_bit"): Rename to
11693         move_from_CR_eq_bit.
11694         Rename UNSPEC_MV_CR_GT to UNSPEC_MV_CR_EQ.
11695
11696
11697         * config/rs6000/spe.md ("e500_flip_gt_bit"): Rename to
11698         e500_flip_eq_bit.
11699
11700         * config/rs6000/rs6000-protos.h: Rename output_e500_flip_gt_bit to
11701         output_e500_flip_eq_bit.
11702
11703         * config/rs6000/rs6000.c (output_e500_flip_gt_bit): Rename to
11704         output_e500_flip_eq_bit.
11705         (rs6000_emit_sCOND): Rename call to output_e500_flip_gt_bit to
11706         output_e500_flip_eq_bit.
11707         Rename gen_move_from_CR_gt_bit to gen_move_from_CR_eq_bit.
11708         (print_operand): case D.  Get to EQ bit.
11709
11710 2004-07-28  Richard Sandiford  <rsandifo@redhat.com>
11711
11712         * gcov.c (function_summary): Add missing \n.
11713
11714 2004-07-28  Alexandre Oliva  <aoliva@redhat.com>
11715
11716         Introduce sh4a support.
11717         * config.gcc: Handle sh4a multilibs and cpu selection.
11718         * config/sh/sh.h: Likewise.  Handle sh4a command line flags.
11719         * config/sh/t-mlib-sh4a: New.
11720         * config/sh/t-mlib-sh4al: New.
11721         * config/sh/t-mlib-sh4a-nofpu: New.
11722         * config/sh/t-mlib-sh4a-single: New.
11723         * config/sh/t-mlib-sh4a-single-only: New.
11724         2004-02-20  DJ Delorie  <dj@redhat.com>
11725         * config/sh/sh.md ("movua"): Change constraint from "m" to "Sua".
11726         * config/sh/sh.h (EXTRA_CONSTRAINT_S): Add "Sua" support.
11727         2003-08-22  Eric Christopher  <echristo@redhat.com>
11728         * config/sh/sh4a.md: Update for chip errata.
11729         2003-08-07  Eric Christopher  <echristo@redhat.com>
11730         * config/sh/sh4a.md: New file. sh4a processor description.
11731         2003-07-08  Alexandre Oliva  <aoliva@redhat.com>
11732         * config/sh/sh.h (TARGET_SWITCHES): Added 4al.  Adjust description
11733         of -m4a-nofpu.
11734         (SH_ASM_SPEC): Pass -dsp for -m4al, not -m4a-nofpu.
11735         * config/sh/t-sh (MULTILIB_MATCHES): Map -m4al to -m4a-nofpu.
11736         * doc/invoke.texi (SH Options): Document -m4al.
11737         2003-07-03  Alexandre Oliva  <aoliva@redhat.com>
11738         * config/sh/sh.c (expand_block_move): Remove commented-out code
11739         checked in by mistake.
11740         (sh_cannot_change_mode_class): Enable SUBREGs to be used to select
11741         single elements from SFmode vectors.
11742         * config/sh/sh.md (fsca): Use VEC_CONCAT to initialize the output
11743         register.
11744         (sinsf2, cossf2, sindf2, cosdf2): Don't emit CLOBBER.
11745         2003-07-01  Alexandre Oliva  <aoliva@redhat.com>
11746         * config/sh/sh.h (sh_fsca_sf2int, sh_fsca_df2int,
11747         sh_fsca_int2sf): Remove variable declarations.
11748         * config/sh/sh.c (sh_fsca_sf2int, sh_fsca_df2int,
11749         sh_fsca_int2sf): New functions.
11750         (sh_fsca_sf2int_rtx, sh_fsca_df2int_rtx,
11751         sh_fsca_int2sf_rtx): New static variables.
11752         * config/sh/sh-protos.h (sh_fsca_sf2int, sh_fsca_df2int,
11753         sh_fsca_int2sf): Declare.
11754         * config/sh/sh.md: Adjust.
11755         * doc/invoke.texi (SH Options): Document new options.
11756         * config/sh/lib1funcs.asm (ic_invalidate): Remove SH4a forward
11757         compatibility from SH4 code.
11758         2003-06-27  Alexandre Oliva  <aoliva@redhat.com>
11759         * config/sh/sh.c (expand_block_move): Don't emit POST_INC too
11760         early.
11761         (memory_movsrc_operand): Renamed to...
11762         (unaligned_load_operand): ... this.  Simplified.
11763         * config/sh/sh.h (PREDICATE_CODES): Adjust.
11764         * config/sh/sh.md (movua, extv, extzv): Likewise.  Change movua's
11765         input operand to SImode, and adjust the others.  Introduce
11766         post-increment by peephole.
11767         * config/sh/sh.c (expand_block_move): Give the target address the
11768         same mode as the temp reg.
11769         * config/sh/sh.c (expand_block_move): Use a temp reg for unaligned
11770         copying.
11771         2003-06-26  Alexandre Oliva  <aoliva@redhat.com>
11772         Introduce support for SH4a.
11773         * config/sh/lib1funcs.asm (ic_invalidate): Use icbi if
11774         __SH4A__.  Emit 4 4kb blocks and touch all of them otherwise.
11775         * config/sh/sh.c (sh_fsca_sf2int, sh_fsca_df2int,
11776         sh_fsca_int2sf): New.
11777         (sh_init_builtins): Initialize them.
11778         (print_operand): Support `d'.
11779         (expand_block_move): Use movua if src is misaligned.
11780         (memory_movsrc_operand): New.
11781         * config/sh/sh.h (TARGET_CPU_CPP_BUILTINS): Define __SH4A__
11782         and one of the SH4 macros.
11783         (SH4A_BIT, TARGET_SH4A_ARCH, TARGET_SH4A_FP,
11784         SELECT_SH4A_NOFPU, SELECT_SH4A_SINGLE_ONLY, SELECT_SH4A,
11785         SELECT_SH4A_SINGLE): New.
11786         (TARGET_NONE): Add SH4A_BIT.
11787         (TARGET_SWITCHES): Add 4a-single-only, 4a-single, 4a-nofpu and 4a.
11788         (SH_ASM_SPEC): Pass -dsp if -m4a-nofpu.
11789         (sh_fsca_sf2int, sh_fsca_df2int, sh_fsca_int2sf): Declare.
11790         (OVERRIDE_OPTIONS): Set cpu to CPU_SH4A when appropriate.
11791         (enum processor_type): Added PROCESSOR_SH4A.
11792         (PREDICATE_CODES): Add memory_movsrc_operand.
11793         * config/sh/sh.md: Removed unused variables.
11794         (attr cpu): Add sh4a.
11795         (attr type): Add movua, fsrra and fsca.
11796         (prefetch): New, for SH4.
11797         (ic_invalidate_line, ic_invalidate_line_sh4a): Use icbi.
11798         (toggle_sz): Set type to fp.
11799         (toggle_pr, rsqrtsf2, fsca, sinsf2, cossf2, sindf2, cosdf2): New.
11800         (movua, extv, extzv): New.
11801         * config/sh/t-sh: Add multilibs for 4a, 4a-nofpu, 4a-single
11802         and 4a-single-only.
11803
11804 2004-07-28  Diego Novillo  <dnovillo@redhat.com>
11805
11806         * tree-optimize.c (init_tree_optimization_passes): Schedule
11807         pass_may_alias right after the program is renamed into SSA.
11808         * tree-pass.h (PROP_alias): Define.
11809         * tree-outof-ssa.c (pass_del_ssa): Require PROP_alias.
11810         * tree-sra.c (pass_sra): Likewise.
11811         * tree-ssa-ccp.c (pass_ccp): Likewise.
11812         * tree-ssa-copyrename.c (pass_rename_ssa_ccp): Likewise.
11813         * tree-ssa-dce.c (pass_dce): Likewise.
11814         * tree-ssa-dom.c (pass_dominator): Likewise.
11815         * tree-ssa-dse.c (pass_dse): Likewise.
11816         * tree-ssa-forwprop.c (pass_forwprop): Likewise.
11817         * tree-ssa-loop-ch.c (pass_ch): Likewise.
11818         * tree-ssa-phiopt.c (pass_phiopt): Likewise.
11819         * tree-ssa-pre.c (pass_pre): Likewise.
11820         * tree-tailcall.c (pass_tail_recursion): Likewise.
11821         * tree-ssa.c (pass_redundant_phi): Likewise.
11822         * tree-ssa-alias.c (aliases_computed_p): Remove.
11823         Update all users.
11824         (init_alias_info): Do not mark all type tags for renaming
11825         unconditionally.
11826         Clear may_aliases from every symbol.
11827         (setup_pointers_and_addressables): If a pointer has not been
11828         dereferenced and it had a type tag, clear it and mark the old
11829         tag for renaming.
11830
11831 2004-07-28  Diego Novillo  <dnovillo@redhat.com>
11832
11833         PR tree-optimization/16705
11834         * tree-ssa-alias.c (create_global_var): Set DECL_EXTERNAL on
11835         .GLOBAL_VAR.
11836
11837 2004-07-27  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
11838
11839         * expr.c (expand_expr_real_1, case PARM_DECL): Remove obsolete error
11840         check.
11841
11842         * gimplify.c (maybe_with_size_expr): If already have WITH_SIZE_EXPR,
11843         don't make another one.
11844
11845         PR optimization/15077
11846         * function.h (struct function): Add field saved_static_chain_decl.
11847         Fix comment for static_chain_decl.
11848         * tree-inline.c (save_body): Add new arg and handle static_chain_decl.
11849         * tree-inline.h (save_body): Add new arg.
11850         * tree-optimize.c (tree_rest_of_compilation): Handle saving
11851         static_chain_decl.
11852
11853 2004-07-27  Richard Henderson  <rth@redhat.com>
11854
11855         * gimplify.c (is_gimple_addr_expr_arg_or_indirect): Remove.
11856         (gimplify_modify_expr, gimplify_addr_expr, gimplify_expr): Use
11857         is_gimple_addressable.
11858         * tree-gimple.c (is_gimple_addressable): Rename from
11859         is_gimple_addr_expr_arg; accept INDIRECT_REF.
11860         (is_gimple_lvalue): Don't test INDIRECT_REF directly.
11861         * tree-gimple.h, tree-sra.c, tree-ssa-loop-im.c: Update for
11862         rename to is_gimple_addressable.
11863
11864 2004-07-28  Alan Modra  <amodra@bigpond.net.au>
11865
11866         * config/rs6000/rs6000.c (function_arg_padding): Pad SFmode upwards.
11867
11868 2004-07-27  Richard Henderson  <rth@redhat.com>
11869
11870         * function.c (assign_stack_local_1): Widen alignment to HOST_WIDE_INT
11871         before rounding.
11872
11873 2004-07-27  Zack Weinberg  <zack@codesourcery.com>
11874
11875         * libgcc2.c: Change all conditionals testing
11876         LIBGCC2_LONG_DOUBLE_TYPE_SIZE == 96 to == 80.
11877         * libgcc2.h: Likewise.
11878         * config/i386/i386.c (ix86_init_mmx_sse_builtins): Set
11879         TYPE_PRECISION of float80_type to 80.
11880         * config/ia64/ia64.c (ia64_init_builtins): Set TYPE_PRECISION
11881         of fpreg_type and float80_type to 80.
11882         * config/i386/i386.h, config/ia64/ia64.h, config/m68k/m68k.h
11883         * config/m68k/netbsd-elf.h:
11884         Change LONG_DOUBLE_TYPE_SIZE and possibly LIBGCC2_LONG_DOUBLE_TYPE_SIZE
11885         to evaluate to 80 whenever they would formerly have evaluated to 96.
11886         * config/i386/sco5.h: Remove unnecessary redefinition of
11887         LONG_DOUBLE_TYPE_SIZE.
11888         * doc/rtl.texi: Clarify uses of XFmode and TFmode.
11889         * config/i386/i386-modes.def: Use FRACTIONAL_FLOAT_MODE for
11890         XFmode, with a bitsize of 80.  Update commentary.
11891         * config/ia64/ia64-modes.def: Likewise.
11892         * config/m68k/m68k-modes.def: Likewise.
11893
11894 2004-07-27  Steven Bosscher  <stevenb@suse.de>
11895
11896         * cfgexpand.c (tree_expand_cfg): Fix comment.
11897
11898         * calls.c (expand_call): Ignore rtx_equal_function_value_matters.
11899         * function.c (purge_single_hard_subreg_set, purge_hard_subreg_sets):
11900         Remove.
11901         (prepare_function_start): Don't set rtx_equal_function_value_matters.
11902         * integrate.c (copy_rtx_and_substitute): Don't test for it.
11903         * passes.c (rest_of_compilation): Don't call purge_hard_subreg_sets.
11904         Don't set rtx_equal_function_value_matters.  Don't register RTL hooks
11905         here again.  Update leading comment.
11906         * rtl.c (rtx_equal_function_value_matters): Remove.
11907         (rtx_equal_p): Don't test for it.
11908         * simplify-rtx.c (simplify_binary_operation, simplify_subreg):
11909         Likewise.
11910
11911         * rtl.h (enum insn_note): Remove NOTE_INSN_LOOP_END_TOP_COND.
11912         * rtl.c (note_insn_name): Likewise.
11913         * emit-rtl.c (remove_unnecessary_notes): Don't handle it.
11914         * final.c (final_scan_insn): Likewise.
11915
11916         * except.c (finish_eh_generation): Don't call cfg_cleanup from here.
11917         * passes.c (rest_of_handle_eh): Do it here.
11918
11919         * stmt.c (struct nesting): Remove struct nesting block member.
11920         (struct stmt_status): Remove x_block_start_count field.
11921         (current_block_start_count): Remove.
11922
11923 2004-07-27  Brian Booth  <bbooth@redhat.com>
11924
11925         * tree-optimize.c (register_one_dump_file): Update condition that uses
11926         static_pass_number.
11927         (dup_pass_1): Replace with...
11928         (next_pass_1): This.
11929         (NEXT_PASS): Call next_pass_1.
11930         (DUP_PASS): Remove.
11931         (init_tree_optimization_passes): Remove uses of DUP_PASS.
11932         (execute_one_pass): Update condition that uses
11933         static_pass_number.
11934         * tree-pass.h (tree_opt_pass): Declare static_pass_number as a signed
11935         integer.
11936
11937 2004-07-27  Nick Clifton  <nickc@redhat.com>
11938
11939         * config/m32r/m32r.c: Include integrate.h in order to get the
11940         prototype for get_hard_reg_initial_val().
11941
11942         * config/m32r/m32r.md (m32rpipeline): Remove unused value "m32r"
11943         and tidy up indentation.
11944         (final_presence_set): Use absence_set instead, so that if there is
11945         nothing in the "o" pipe the "s" pipe can be scheduled.
11946
11947 2004-07-27  Diego Novillo  <dnovillo@redhat.com>
11948
11949         * tree-ssa-alias.c (create_name_tags): Ignore pointers that
11950         don't have PT_VARS nor PT_MALLOC set.
11951         Clear name tag from pointers that have not been dereferenced.
11952         (set_pt_anything, set_pt_malloc): Forward declare.
11953         * tree-ssa-copy.c (may_propagate_copy): Compare alias sets,
11954         not type compatibility when determining if a pointer can be
11955         copy propagated.
11956
11957 2004-07-27  Richard Sandiford  <rsandifo@redhat.com>
11958
11959         * expr.h (canonicalize_condition, get_condition): Add an int argument.
11960         * gcse.c (fis_get_condition): Reimplement using get_condition, leaving
11961         it to check whether the condition is still valid at the jump insn.
11962         * ifcvt.c (noce_get_condition): Likewise.
11963         (noce_get_alt_condition): Update call to canonicalize_condition.
11964         * loop-iv.c (simplify_using_initial_values): Update call to
11965         get_condition.  Remove FIXME.
11966         (check_simple_exit): Update call to get_condition.
11967         * loop-unswitch.c (may_unswitch_on): Likewise.
11968         * loop.c (check_dbra_loop): Likewise.
11969         (canonicalize_condition, get_condition): Add an argument to say whether
11970         the condition must still be valid at INSN.
11971         (get_condition_for_loop): Update call to get_condition.  Require that
11972         the condition be valid at INSN.
11973         * predict.c (estimate_probability): Update call to get_condition.
11974         Remove unused earliest parameter.
11975         (expected_value_to_br_prob): Update call to canonicalize_condition.
11976
11977 2004-07-26  Eric Christopher  <echristo@redhat.com>
11978
11979         * tree-dfa.c (add_referenced_var): Register initializers of global
11980         variables.
11981
11982 2004-07-26  Paolo Bonzini  <bonzini@gnu.org>
11983
11984         * config/i386/i386.c (function_arg): Always treat 8-
11985         and 16-byte wide vectors the same, even if MMX/SSE
11986         are disabled.
11987         (contains_128bit_aligned_vector_p): Add comment.
11988
11989 2004-07-26  J"orn Rennecke <joern.rennecke@superh.com>
11990
11991         * ra.h (enum node_type): Rename to:
11992         (enum ra_node_type).
11993         * ra-colorize.c: Likewise.
11994
11995 2004-07-26  Richard Sandiford  <rsandifo@redhat.com>
11996
11997         * cfgcleanup.c (try_simplify_condjump): Call update_forwarder_flag
11998         after simplifying the jump.
11999
12000 2004-06-26  Richard Henderson  <rth@redhat.com>
12001
12002         * calls.c (combine_pending_stack_adjustment_and_call): Make
12003         preferred_unit_stack_boundary argument unsigned.  Make
12004         unadjusted_alignment unsigned.
12005         (expand_call): Make preferred_stack_boundary and
12006         preferred_unit_stack_boundary variables unsigned.
12007         * function.c (assign_stack_local_1): Make alignment unsigned.
12008         * function.h (struct function): Make stack_alignment_needed,
12009         preferred_stack_boundary unsigned.
12010         * config/i386/i386.c (ix86_preferred_stack_boundary): Make unsigned.
12011         (ix86_compute_frame_layout): Make stack_alignment_needed,
12012         preferred_alignment variables unsigned.
12013         * config/i386/i386.h (ix86_preferred_stack_boundary): Make unsigned.
12014
12015 2004-07-26  Tom Tromey  <tromey@redhat.com>
12016
12017         * tree.h: Fix typo in comment.
12018
12019 2004-07-26  Daniel Jacobowitz  <dan@debian.org>
12020
12021         PR bootstrap/12804
12022         * ggc-zone.c (struct alloc_chunk): Remove attribute packed.
12023         (MAX_FREE_BIN_SIZE): Increase on 64-bit targets.
12024         (ggc_free): Remove incorrect freeing.
12025         (sweep_pages): Advance PP for large pages.  Fix indentation.
12026
12027 2004-07-26  Richard Sandiford  <rsandifo@redhat.com>
12028
12029         PR rtl-optimization/16643
12030         * cfglayout.h (cfg_layout_initialize): Add a flags parameter.
12031         * cfglayout.c (cfg_layout_initialize): Pass it to cleanup_cfg.
12032         * basic-block.h (reorder_basic_blocks): Add a flags parameter.
12033         * cfglayout.c (reorder_basic_blocks): Pass it to cfg_layout_initialize.
12034         (partition_hot_cold_basic_blocks): Pass 0 to cfg_layout_initialize.
12035         * function.c (thread_prologue_and_epilogue_insns): Likewise.
12036         * rtl.h (tracer): Add a flags parameter.
12037         * tracer.c (tracer): Pass it to cfg_layout_initialise.
12038         * passes.c (rest_of_handle_stack_regs): Pass 0 to reorder_basic_blocks.
12039         (rest_of_handle_reorder_blocks): Update calls to tracer and
12040         reorder_basic_blocks, passing CLEANUP_UPDATE_LIFE if appropriate.
12041         (rest_of_handle_tracer): Pass 0 to tracer.
12042         (rest_of_handle_loop2): Pass 0 to cfg_layout_initialize.
12043
12044 2004-07-25  David Edelsohn  <edelsohn@gnu.org>
12045
12046         PR target/16239
12047         * config/rs6000/rs6000.md (movdi_internal64): Further disparage
12048         f->f.
12049
12050 2004-07-24  Nathan Sidwell  <nathan@codesourcery.com>
12051
12052         * tree.h (BINFO_BASE_ACCESSES): Accesses are a VEC(tree).
12053         (BINFO_BASE_ACCESS): Adjust.
12054         (BINFO_BASE_ACCESS_APPEND): New.
12055         (struct tree_binfo): Make base_accesses a VEC(tree) pointer.
12056         * dbxout.c (dbxout_type): Adjust binfo access accessing.
12057         * dwarf2out.c (gen_member_die): Likewise.
12058         * tree-dump.c (deque_and_dump): Likewise.
12059
12060 2004-07-26  Falk Hueffner  <falk@debian.org>
12061
12062         * config/alpha/alpha.c (alpha_rtx_cost_data): Tweak int_div
12063         costs.
12064
12065 2004-07-25  Roger Sayle  <roger@eyesopen.com>
12066
12067         * config/i386/i386.c (output_fp_compare): Use ffreep to pop top
12068         value off of the stack if TARGET_USE_FFREEP.
12069
12070 2004-07-26  Bernardo Innocenti  <bernie@develer.com>
12071
12072         * gengtype.c (oprintf): Replace xrealloc () with XRESIZEVEC ().
12073         * gengtype-yacc.y: Likewise.  Replace free() with XDELETE ().
12074         * c-typeck.c (PUSH_SPELLING): Remove redundant NULL-pointer
12075         check on invocation of XRESIZEVEC ().
12076
12077 2004-07-26  Bernardo Innocenti  <bernie@develer.com>
12078
12079         * c-common.c (disable_builtin_function): Rename variable n to
12080         new_disabled_builtin.
12081         * c-decl.c (duplicate_decls): Rename parameter decl to new_decl.
12082         Rename local variable old to old_decl.
12083         * gensupport.c (shift_output_template): Rename parameter old to src.
12084         * simplify-rtx.c (simplify_replace_rtx): Rename parameter oldx to
12085         old_rtx and newx to new_rtx.
12086
12087 2004-07-26  Bernardo Innocenti  <bernie@develer.com>
12088
12089         * Makefile.in (C_PRAGMA_H): New variable to track dependencies
12090         of c-pragma.h.
12091         * c-pragma.h (c_lex, c_lex_with_flags): Change returntype to
12092         enum cpp_ttype.
12093         * c-lex.c: Likewise.
12094
12095 2004-07-25  Roger Sayle  <roger@eyesopen.com>
12096
12097         * fold-const.c (constant_boolean_node): Make extern.
12098         (make_range): Wrap long lines.
12099         (fold_cond_expr_with_comparison): Remove unnecessary call to
12100         pedantic_non_lvalue.  Add missing calls to fold_convert.
12101         (fold_truthop): Add missing calls to fold_convert.
12102         (fold): Likewise.
12103         * tree.h (constant_boolean_node): Add prototype here.
12104         * builtins.c (expand_builtin_strncmp): Add missing calls to
12105         fold_convert.
12106         * tree-ssa-dom.c (record_equivalences_from_incoming_edge):
12107         Call fold_convert and constant_boolean_node to correct types.
12108         * tree-ssa-forwprop.c (substitute_single_use_vars): Add
12109         missing call to fold_convert to correct types.
12110
12111 2004-07-26  Niall Douglas  <s_fsfeurope2@nedprod.com>
12112             Brian Ryner  <bryner@brianryner.com>
12113
12114         PR c++/9283
12115         PR c++/15000
12116         * c-common.c (c_common_attribute_table): Allow
12117         handle_visibility_attribute to be called for types.
12118         (handle_visibility_attribute) When given a type, set the visibility
12119         bits on the TYPE_NAME.  When given a decl, don't set no_add_attrs
12120         so that we can check later whether the attribute was present. Added
12121         warning if attribute applied to non class type.
12122         * c-decl.c (diagnose_mismatched_decls): Updated rules for merging
12123         decls and checking that they are consistent.
12124         * common.opt: Added -fvisibility.
12125         * c.opt, c-opts.c: Added -fvisibility-inlines-hidden.
12126         * c-pragma.h, c-pragma.c: Added handle_pragma_visibility().
12127         * flags.h, tree.h: Added assorted support defines for overall patch
12128         * opts.c: Added parsing support for -fvisibility.
12129         * tree.c (build_decl): Set visibility for all decls to be whatever
12130         is in force at that time.
12131         * varasm.c (default_binds_local_p_1): Reworked logic determining
12132         when to make a symbol locally bound.
12133         * doc/invoke.texi: Added documentation for -fvisibility and
12134         -fvisibility-inlines-hidden.
12135
12136 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
12137
12138         * basic-block.h (reorder_block_def): Rename to reorder_block_def_p.
12139         * c-common.c: Add missing casts from void * to other types.
12140         * c-decl.c: Likewise.
12141         * c-format.c: Likewise.
12142         * c-lex.c: Likewise.
12143         * c-pragma.c: Likewise.
12144         * c-typeck.c: Likewise.
12145         * defaults.h: Likewise.
12146         * genconstants.c: Likewise.
12147         * gengtype-lex.l: Likewise.
12148         * genmodes.c: Likewise.
12149         * read-rtl.c: Likewise.
12150         * rtl.c: Likewise.
12151
12152 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
12153
12154         * bitmap.c: Use type-safe memory allocation macros from libiberty.
12155         * c-common.c: Likewise.
12156         * c-decl.c: Likewise.
12157         * c-lang.c: Likewise.
12158         * c-lex.c: Likewise.
12159         * c-opts.c: Likewise.
12160         * c-parse.in: Likewise.
12161         * c-typeck.c: Likewise.
12162         * genconditions.c: Likewise.
12163         * gengtype-lex.l: Likewise.
12164         * gengtype-yacc.y: Likewise.
12165         * gengtype.c: Likewise.
12166         * genmodes.c: Likewise.
12167         * gensupport.c: Likewise.
12168         * read-rtl.c: Likewise.
12169         * read-rtl.c (read_constants): Use INSERT instead of TRUE in call to
12170         htab_find_slot().
12171
12172 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
12173
12174         * c-decl.c (groktypename, groktypename_in_param_context): Rename
12175         variable typename to type_name.
12176         * c-lex.c (interpret_float): Likewise.
12177
12178 2004-07-25  Roger Sayle  <roger@eyesopen.com>
12179
12180         * convert.c (convert_to_real, convert_to_integer,
12181         convert_to_complex): Replace calls to build with calls to buildN.
12182         * coverage.c (tree_coverage_counter_ref): Likewise.
12183         * dojump.c (do_jump): Likewise.
12184         * dwarf2out.c (loc_descriptor_from_tree): Likewise.
12185         * emit-rtl.c (component_ref_for_mem_expr,
12186         set_mem_attributes_minus_bitpos): Likewise.
12187         * explow.c (update_nonlocal_goto_save_area): Likewise.
12188         * expmed.c (expand_shift, make_tree, const_mult_add_overflow_p,
12189         expand_mult_add): Likewise.
12190         * expr.c (emit_block_move_via_libcall, clear_storage_via_libcall,
12191         store_constructor, get_inner_reference, expand_expr_real_1,
12192         try_casesi, try_tablejump): Likewise.
12193         * function.c (expand_function_start): Likewise.
12194         * stmt.c (emit_case_bit_tests, expand_end_case_type,
12195         node_has_low_bound, node_has_high_bound, emit_case_nodes): Likewise.
12196         * stor-layout.c (place_union_field, layout_type): Likewise.
12197         * tree.c (substitute_in_expr, tree_fold_gcd): Likewise.
12198         * varasm.c (copy_constant): Likewise.
12199
12200 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
12201
12202         * c-common.c: Rename all identifiers named `new'.
12203         * c-decl.c: Likewise.
12204         * gensupport.c: Likewise.
12205         * simplify-rtx.c: Likewise.
12206         * c-common.c (disable_builtin_function): Replace a call to xmalloc()
12207         with XNEW().
12208         * gensupport.c (alter_output_for_insn): Replace two calls to xmalloc()
12209         with XNEWVEC().
12210
12211 2004-07-25  Joseph S. Myers  <jsm@polyomino.org.uk>
12212
12213         PR c/15360
12214         * c-decl.c (start_decl): Do not set DECL_EXTERNAL for initialized
12215         declarations until after calling pushdecl.
12216         (grokdeclarator): Set DECL_EXTERNAL for variables based on use of
12217         "extern" and not on whether the declaration is initialized.
12218
12219 2004-07-25  Daniel Jacobowitz  <dan@debian.org>
12220
12221         * config.gcc (i[34567]86-*-solaris2*, sparc64-*-solaris2*)
12222         (sparc-*-solaris2*): Include sol2.o and sol2-protos.h.
12223         * config/sol2-c.c: Include "tm.h", "tm_p.h", "toplev.h",
12224         "cpplib.h", "c-pragma.h", "c-common.h".
12225         (solaris_pragma_align, solaris_pragma_init, solaris_pragma_fini)
12226         (solaris_register_pragmas): New functions.
12227         * config/sol2-protos.h: New file.
12228         * config/sol2.c: New file.
12229         * config/sol2.h (SOLARIS_ATTRIBUTE_TABLE, ASM_DECLARE_FUNCTION_SIZE)
12230         (REGISTER_TARGET_PRAGMAS): New macros.
12231         (solaris_pending_aligns, solaris_pending_inits)
12232         (solaris_pending_finis): New variables.
12233         * config/t-sol2 (sol2-c.o): Update dependencies.
12234         (sol2.o): New rule.
12235         * config/i386/i386.c (TARGET_INSERT_ATTRIBUTES): Define in terms of
12236         SUBTARGET_INSERT_ATTRIBUTES.
12237         (ix86_attribute_table): Include SUBTARGET_ATTRIBUTE_TABLE.
12238         * config/i386/sol2.h (SUBTARGET_INSERT_ATTRIBUTES)
12239         (SUBTARGET_ATTRIBUTE_TABLE, ASM_OUTPUT_CALL): Define.
12240         * config/sparc/elf.h (ASM_DECLARE_FUNCTION_SIZE): Redefine.
12241         * config/sparc/sp64-elf.h (ASM_DECLARE_FUNCTION_SIZE): Redefine.
12242         * config/sparc/sol2.h (SUBTARGET_INSERT_ATTRIBUTES)
12243         (SUBTARGET_ATTRIBUTE_TABLE, ASM_OUTPUT_CALL): Define.
12244         * config/sparc/sparc.c (sparc_attribute_table): New.
12245         (TARGET_INSERT_ATTRIBUTES): Define in terms of
12246         SUBTARGET_INSERT_ATTRIBUTES.
12247         (TARGET_ATTRIBUTE_TABLE): Define if SUBTARGET_ATTRIBUTE_TABLE
12248         is defined.
12249         * doc/extend.texi (Solaris Pragmas): New section.
12250
12251 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
12252
12253         * c-common.c: Rename all identifiers named `class' to `cl'.
12254         * c-common.h: Likewise.
12255         * c-parse.in: Likewise.
12256         * c-typeck.c: Likewise.
12257         * genmodes.c: Likewise.
12258         * real.c: Likewise.
12259         * real.h: Likewise.
12260         * recog.c: Likewise.
12261         * recog.h: Likewise.
12262         * regrename.c: Likewise.
12263         * tree.h: Likewise.
12264         * c-common.c (builtin_function_2): Change type of 5th parameter from
12265         int to enum built_in_function. Change type of 8th parameter from int
12266         to bool.
12267         * c-decl (builtin_function): Replace call to ggc_alloc_cleared ()
12268         with GGC_CNEW().
12269         * c-typeck.c (convert_arguments): Change type of formal_prec from
12270         int to unsigned int.
12271         * genmodes.c (blank_mode): Make a few negative constants unsigned.
12272         (complete_all_modes, calc_wider_mode, emit_insn_modes_h,
12273         emit_mode_name, emit_mode_class, emit_mode_precision, emit_mode_size,
12274         emit_mode_nunits, emit_mode_wider, emit_mode_mask, emit_mode_inner,
12275         emit_mode_base_align, emit_class_narrowest_mode): Pass an integer
12276         iterator to for_all_modes () instead of an enum because enums can't
12277         be incremented in C++.
12278
12279
12280 2004-07-25  Daniel Jacobowitz  <dan@debian.org>
12281
12282         * regmove.c (optimize_reg_copy_1): Don't try to replace call-used
12283         hard registers.
12284
12285 2004-07-25  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
12286
12287         * tree-ssa-operands.c (get_stmt_operands, get_expr_operands):
12288         Handle ARRAY_RANGE_REF like ARRAY_REF.
12289
12290 2004-07-25  Joseph S. Myers  <jsm@polyomino.org.uk>
12291
12292         * c-typeck.c (digest_init): Don't allow arrays of signed or
12293         unsigned variants of wchar_t to be initialized by wide string
12294         constants.  Do allow arrays of enumerated types compatible with
12295         wchar_t to be initialized by wide string constants.  Refine tests
12296         distinguishing wide and narrow strings and arrays.  Give specific
12297         error for arrays of other integer types initialized by string
12298         constants.
12299         (output_init_element, process_init_element): Check for
12300         INTEGRAL_TYPE_P rather than just for INTEGER_TYPE when
12301         initializing with string constants.
12302
12303 2004-07-25  Richard Henderson  <rth@redhat.com>
12304
12305         * c-decl.c (start_function): Set DECL_ARTIFICIAL and DECL_IGNORED_P
12306         on the RESULT_DECL.
12307         * cgraphunit.c (cgraph_build_static_cdtor): Likewise.
12308         * integrate.c (copy_decl_for_inlining): Copy DECL_ARTIFICIAL and
12309         DECL_IGNORED_P to new decl.
12310
12311 2004-07-24  Zack Weinberg  <zack@codesourcery.com>
12312
12313         * config/ia64/ia64.c (general_xfmode_operand)
12314         (destination_xfmode_operand): Delete.
12315         * config/ia64/ia64.h (PREDICATE_CODES): Remove them.
12316         * config/ia64/ia64.md (*movxf_internal): Use general_operand
12317         and destination_operand.
12318
12319 2004-07-24  Alexander Kabaev  <kan@freebsd.org>
12320
12321         * config/ia64/ia64.h (SUBTARGET_EXTRA_SPECS): Default to nothing.
12322         (EXTRA_SPECS): Use SUBTARGET_EXTRA_SPECS.
12323
12324 2004-07-24  Alexander Kabaev  <kan@freebsd.org>
12325             Zack Weinberg  <zack@codesourcery.com
12326
12327         PR 16684
12328         * c-decl.c (diagnose_mismatched_decls): Don't issue a
12329         redundant-declaration warning the first time a builtin is
12330         declared explicitly.
12331
12332 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
12333
12334         * tree.h (staticp): Change return type to bool.
12335
12336 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
12337
12338         * c-common.c (c_staticp): Last episode of the staticp saga.
12339
12340 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
12341
12342         * c-common.h (c_staticp): Change return type from int to bool.
12343         * tree.c (staticp): Likewise.
12344         * langhooks.h (staticp): Likewise.
12345
12346 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
12347
12348         * langhooks-def.h (lhd_staticp): Change return type from int to
12349         bool in prototype to match definition.
12350
12351 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
12352
12353         * system.h (bool, true, false): Don't redefine as preprocessor macros
12354         in C++.
12355
12356 2004-07-24  Roger Sayle  <roger@eyesopen.com>
12357
12358         * expmed.c (init_expmed): A signed modulus by a power of two is
12359         considered cheap if its less than or equal to four instructions.
12360
12361 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
12362
12363         * ggc.h (GGC_NEW, GGC_CNEW, GGC_NEWVEC, GGC_CNEWVEC, GGC_NEWVAR,
12364         GGC_CNEWVAR): New macros.
12365
12366 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
12367
12368         * c-common.c: Convert ATTRIBUTE_UNUSED to ARG_UNUSED in parameter
12369         lists.
12370         * c-decl.c: Likewise.
12371         * c-format.c: Likewise.
12372         * c-lex.c: Likewise.
12373         * c-opts.c: Likewise.
12374         * c-pragma.c: Likewise.
12375         * c-typeck.c: Likewise.
12376         * gencheck.c: Likewise.
12377         * genconditions.c: Likewise.
12378         * genconfig.c: Likewise.
12379         * genflags.c: Likewise.
12380         * gengtype.c: Likewise.
12381         * gensupport.c: Likewise.
12382         * ggc-none.c: Likewise.
12383         * langhooks.c: Likewise.
12384         * statistics.h: Likewise.
12385         * stub-objc.c: Likewise.
12386         * java/decl.c: Likewise.
12387
12388 2004-07-24  Roman Zippel  <zippel@linux-m68k.org>
12389
12390         * config/m68k/m68k.c (output_scc_di): Fix coding style.
12391         (symbolic_operand): Fix prototype.
12392         * config/m68k/m68k.h (PREDICATE_CODES): Add symbolic_operand.
12393         * config/m68k/m68k.md: Add constants for registers a0 and sp and
12394         use them, change from the "{...}" syntax to the simpler {...}
12395         syntax.
12396         (*cfv4_extendqisi2): Fix destination predicate.
12397         * config/m68k/m68k-protos.h: Remove various declarations also
12398         generated via PREDICATE_CODES.
12399
12400 2004-07-23  Mike Stump  <mrs@apple.com>
12401
12402         * c-typeck.c (convert_for_assignment): Tightened up pointer
12403         converstions that differ in signedness.
12404
12405 2004-07-23  Zack Weinberg  <zack@codesourcery.com>
12406
12407         * genmodes.c (make_vector_modes): Mark with ATTRIBUTE_UNUSED.
12408
12409 2004-07-23  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
12410
12411         * tree.def (VIEW_CONVERT_EXPR): Change to class 'r'.
12412         * tree-ssa-operands.c (get_expr_operands, case VIEW_CONVERT_EXPR): New.
12413
12414         * gimplify.c (gimplify_compound_lval): Check for no handled
12415         operations, rather than checking for explicit list of nodes.
12416         (is_gimple_addr_expr_arg_or_indirect): New function.
12417         (gimplify_addr_expr): Call it and handle INDIRECT_REF; remove
12418         redundant setting of TREE_INVARIANT.
12419         (gimplify_expr, case VIEW_CONVERT_EXPR): Call gimplify_compound_lval.
12420         * tree-gimple.c (is_gimple_addr_expr_arg): Call handled_component_p.
12421
12422 2004-07-23  Diego Novillo  <dnovillo@redhat.com>
12423
12424         PR tree-optimization/16688
12425         PR tree-optimization/16689
12426         * tree-ssa-alias.c (setup_pointers_and_addressables): Remove
12427         unnecessary initialization of 'tag'.
12428         (get_tmt_for): Check that the new type tag has the same alias
12429         set as the pointed-to type.
12430         (group_aliases): Only regular variables need to be removed
12431         from the alias set of a name tag.
12432         * tree-ssa-copy.c (may_propagate_copy): Do not allow copy
12433         propagation if the two types are not compatible.
12434         (merge_alias_info): Rename from replace_ssa_names_ann.
12435         Add more checking.
12436         (replace_exp_1): If both arguments are SSA_NAMEs, check that
12437         the propagation can be done.
12438         Only call merge_alias_info on pointers.
12439         (propagate_value): Likewise.
12440         * tree-ssa-copyrename.c: Include langhooks.h.
12441         (copy_rename_partition_coalesce): Call replace_ssa_name_symbol
12442         to do the merging.
12443         Do not coalesce variables with incompatible types.
12444         (rename_ssa_copies): Call replace_ssa_name_symbol.
12445         * tree-ssa.c (verify_ssa_name): Verify that the SSA_NAME has
12446         the same type as the underlying _DECL.
12447         * tree-ssanames.c (replace_ssa_name_symbol): New function.
12448         * tree.h (replace_ssa_name_symbol): Declare.
12449
12450 2004-07-23  Richard Henderson  <rth@redhat.com>
12451
12452         PR c++/16277
12453         * gimplify.c (gimplify_cond_expr): Gimplify TARGET to a min_lval;
12454         unshare it properly.
12455         (gimplify_modify_expr_rhs): Push assignment from a conditional into
12456         the conditional for all non-register types.
12457
12458 2004-07-23  Richard Henderson  <rth@redhat.com>
12459
12460         * expr.c (expand_expr_real_1): Don't handle non-local variables.
12461         * expr.h (fix_lexical_addr): Remove.
12462         * function.c (NEED_SEPARATE_AP): Remove.
12463         (fix_lexical_addr): Remove.
12464         * tree-alias-common.c (get_alias_var_decl): Check TREE_STATIC,
12465         not null decl_function_context.
12466         (create_alias_vars): Likewise.
12467         * tree-cfg.c (make_ctrl_stmt_edges): Don't check for non-local labels.
12468         (simple_goto_p): Likewise.
12469         * tree-dfa.c (add_referenced_var): Don't check for non-local variables.
12470         * tree-ssa-ccp.c (get_default_value): Likewise.
12471         * tree-tailcall.c (suitable_for_tail_opt_p): Likewise.
12472         * tree.c (needs_to_live_in_memory): Likewise.
12473         * tree-flow-inline.h (may_be_aliased): Move...
12474         * tree-ssa-alias.c (may_be_aliased): ... here.  Enhance check for
12475         when TREE_STATIC variables may be addressable.
12476
12477 2004-07-24  Jakub Jelinek  <jakub@redhat.com>
12478
12479         * Makefile.in (site.exp): Add HOSTCC and HOSTCFLAGS to site.exp.
12480
12481 2004-07-23  Zack Weinberg  <zack@codesourcery.com>
12482
12483         * print-rtl.c (print_rtx <case 'b'>): Don't attempt to print
12484         bitmap contents if GENERATOR_FILE is defined.
12485         * Makefile.in (BUILD_RTL): Remove $(BUILD_PREFIX)bitmap.o.
12486         ($(BUILD_PREFIX_1)bitmap.o): Delete rule.
12487
12488 2004-07-23  Joseph S. Myers  <jsm@polyomino.org.uk>
12489
12490         * c-decl.c (start_function): Form composite type of function types
12491         rather than copying type from previous prototype declaration.
12492
12493 2004-07-23  Janis Johnson  <janis187@us.ibm.com>
12494
12495         * config/rs6000/altivec.h (vec_lvewx, vec_lvehx, vec_lvwbx): Remove
12496         the const qualifier for the second argument in the C++ functions.
12497
12498         * config/rs6000/altivec.h (vec_stvewx, vec_stvehx, vec_stvebx): Use
12499         specific pointer types.
12500
12501         * config/rs6000/altivec.h (vec_vadduwm): (vec_vadduwm, vec_vadduhm,
12502         vec_vaddubm, vec_vsubuwm, vec_vsubuhm, vec_vsububm): Fix types used
12503         for vector bool and/or vector pixel, add C++ and C missing support.
12504         (vec_vaddsws, vec_vaddshs, vec_vaddsbs, vec_vmaxsw, vec_vmaxsh,
12505         vec_vmaxsb, vec_vmrghw, vec_vmrghh, vec_vmrghb, vec_vmrglw, vec_vmrglh,
12506         vec_vmrglb, vec_vminsw, vec_vminsh, vec_vminsb, vec_vpkuwum,
12507         vec_vpkuhum, vec_vspltw, vec_vsplth, vec_vspltb, vec_vsubsws,
12508         vec_vsubshs, vec_vsubsbs, vec_vupklsh, vec_vupkhsh, vec_vupklsb): Add
12509         missing C++ and C support for vector bool and/or vector pixel.
12510         (vec_vadduws, vec_vadduhs, vec_vaddubs, vec_vcmpeqfp, vec_vcmpequw,
12511         vec_vcmpequh, vec_vcmpequb, vec_vcmpgtfp, vec_vcmpgtsw, vec_vcmpgtuw,
12512         vec_vcmpgtsh, vec_vcmpgtuh, vec_vcmpgtsb, vec_vcmpgtub, vec_vmaxuw,
12513         vec_vmaxuh, vec_vmaxub, vec_vminuw, vec_vminuh, vec_vminub,
12514         vec_vsubuws, vec_vsubuhs, vec_vsububs, vec_vupkhpx, vec_vupklpx): Fix
12515         C++ and C types used for vector bool and/or vector pixel.
12516         (vec_st, vec_stl): Add C++ support for vector pixel.
12517         (vec_unpackh, vec_unpackl, vec_any_ge): Fix C++ support for vector bool.
12518         (vec_all_ne): Add C++ support for vector pixel.
12519
12520         * config/rs6000/altivec.h (vec_vcmpgtsh): Fix C++ function name.
12521         (vec_vmulesb): Add missing C++ function.
12522         (vec_perm): Fix type of third argument in C++ function.
12523         (vec_vsum4shs): Fix C++ function name.
12524         (vec_any_ge): Remove C++ functions for unsupported arg combinations.
12525         (vec_vcmpgtsw, vec_vcmpgtuw, vec_minsb, vec_vmsummbm): Fix the
12526         argument passed to the error handler in C macro.
12527         (vec_nmsub): Remove extra parens around argument names in C macro.
12528         (vec_packpx): Add missing parens in C macro.
12529
12530 2004-07-22  Paolo Bonzini  <bonzini@gnu.org>
12531
12532         * machmode.def: Remove vector modes.
12533         * config/alpha/alpha-modes.def: Add supported vector modes.
12534         * config/arm/arm-modes.def: Likewise.
12535         * config/frv/frv-modes.def: Likewise.
12536         * config/i386/i386-modes.def: Likewise.
12537         * config/rs6000/rs6000-modes.def: Likewise.
12538         * config/sh/sh-modes.def: Likewise.
12539
12540 2004-07-23  Matthias Klose  <doko@debian.org>
12541
12542         * intl.c (gcc_init_libintl): Use PACKAGE for the text domain.
12543         * configure.ac: Add AC_DEFINE_UNQUOTED for PACKAGE.
12544         * config.h: Regenerate.
12545         * configure: Likewise.
12546
12547 2004-07-22  Mark Mitchell  <mark@codesourcery.com>
12548
12549         * dwarf2out.c (output_call_frame_info): Set SYMBOL_FLAG_LOCAL on
12550         generated SYMBOL_REFs for labels.
12551         * config/darwin-protos.h (machopic_validate_stub_or_non_lazy_ptr):
12552         Change prototype.
12553         (machopic_stub_name): Remove.
12554         (machopic_indirection_name): New function.
12555         (machopic_mcount_stub_name): Likewise.
12556         (machopic_classify_name): Remove.
12557         (machopic_function_base_sym): New function.
12558         (machpoic_classify_symbol): Likewise.
12559         (machopic_classify_ident): Remove.
12560         (machopic_define_ident): Likewise.
12561         (machopic_define_name): Likewise.
12562         (machopic_name_defined_p): Likewise.
12563         (machopic_ident_defined_p): Likewise.
12564         (darwin_strip_name_encoding): Likewise.
12565         (machopic_define_symbol): New function.
12566         * config/darwin.c (hashtab.h): Include.
12567         (machopic_defined_list): Remove.
12568         (machopic_classify_ident): Likewise.
12569         (machopic_classify_name): Likewise.
12570         (machopic_ident_defined_p): Likewise.
12571         (machopic_define_ident): Likewise.
12572         (machopic_define_name): Likewise.
12573         (machopic_symbol_defined_p): New function.
12574         (machopic_classify_symbol): Likewise.
12575         (machopic_data_defined_p): Use machopic_classify_symbol.
12576         (machopic_define_symbol): New function.
12577         (machopic_function_base_sym): New function.
12578         (machopic_non_lazy_pointers): Remove.
12579         (machopic_non_lazy_ptr_name): Likewise.
12580         (machopic_stubs): Likewise.
12581         (machopic_stub_name): Likewise.
12582         (NON_LAZY_POINTER_SUFFIX): New macro.
12583         (STUB_SUFFIX): Likewise.
12584         (machopic_indirection): New structure.
12585         (machopic_indirections): New variable.
12586         (machopic_indirection_hash): New function.
12587         (machopic_indirection_eq): Likewise.
12588         (machopic_indirection_name): Likewise.
12589         (machopic_mcount_stub_name): New function.
12590         (machopic_validate_stub_or_non_lazy_pointer): Reimplement to use
12591         hash table.
12592         (machopic_indirect_data_reference): Rework to use new functions.
12593         (machopic_indirect_call_target): Likewise.
12594         (machopic_legitimize_pic_address): Likewise.
12595         (machopic_output_indirection): New function.
12596         (machopic_finish): Use it.
12597         (machopic_operand_p): Rework to use new functions.
12598         (darwin_encode_seciton_info): Use SYMBOL_REF_FLAGS.
12599         (darwin_strip_name_encoding): Remove.
12600         (update_non_lazy_ptrs): Remove.
12601         (update_stubs): Likewise.
12602         (darwin_non_lazy_pcrel): Use new functions.
12603         * config/darwin.h (ASM_DECLARE_OBJECT_NAME): Likewise.
12604         (ASM_OUTPUT_LABELREF): Likewise.
12605         (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Likewise.
12606         (MACHO_SYMBOL_FLAG_VARIABLE): New macro.
12607         (MACHO_SYMBOL_FLAG_DEFINED): Likewise.
12608         (TARGET_STRIP_NAME_ENCODING): Do not use
12609         darwin_strip_name_encoding.
12610         (GEN_LAZY_PTR_NAME_FOR_SYMBOL): Do not use
12611         darwin_strip_name_encoding.
12612         * config/i386/darwin.h (FUNCTION_PROFILER): Use
12613         machopic_mcount_stub_name.
12614         * config/i386/i386.c (x86_output_mi_thunk): Use
12615         machopic_indirection_name, not machopic_stub_name.
12616         * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Use
12617         machopic_function_base_sym.
12618         (print_operand): Use machopic_classify_symbol.
12619         (rs6000_emit_prologue): Use machopic_function_base_sym.
12620         (output_profile_hook): Do not use machopic_stub_name.
12621         (macho_branch_isalnds): Do not use darwin_strip_name_encoding.
12622
12623 2004-07-22  Joseph S. Myers  <jsm@polyomino.org.uk>
12624
12625         PR c/7284
12626         * fold-const.c (extract_muldiv_1): Do not treat signed left shift
12627         as multiplication.
12628
12629 2004-07-22  Joseph S. Myers  <jsm@polyomino.org.uk>
12630
12631         * doc/implement-c.texi: New file.
12632         * doc/extend.texi (C Implementation): Move to there.
12633         * doc/gcc.texi: Include implement-c.texi.
12634         * Makefile.in (TEXI_GCC_FILES): Add implement-c.texi.
12635
12636 2004-07-22  Jason Merrill  <jason@redhat.com>
12637
12638         * integrate.c (copy_decl_for_inlining): Remove invisible reference
12639         handling.
12640         * tree-inline.c (setup_one_parameter): Likewise.
12641
12642 2004-07-22  Brian Booth  <bbooth@redhat.com>
12643
12644         * tree-ssa-ccp.c (latticevalue): Add UNKNOWN_VAL.
12645         (substitute_and_fold): Propigate into VUSE operands when possible.
12646         (visit_phi_node): Handle UNKNOWN_VAL latticevalue.
12647         (cp_lattice_meet): Handle merging of latticevalues when
12648         UNKNOWN_VAL is present.
12649         (visit_stmt): Visit assignments with V_MUST_DEFs.
12650         (visit_assignment): Gather ccp information for V_MUST_DEF operands.
12651         (ccp_fold): Deal with RHS' that are constant and virtual.
12652         (evaluate_stmt): Handle UNKNOWN_VAL likely values.
12653         (dump_lattice_value): Dump UNKNOWN_VAL latticevalues.
12654         (initialize): Mark statements with V_MUST_DEFs as VARYING only if the
12655         V_MUST_DEF operand is VARYING. Fix comment and include VOPS when
12656         computing immediate uses.
12657         (set_lattice_value): Disallow a UNKNOWN_VAL->UNDEFINED state
12658         transition.
12659         (replace_vuse_in): New function.
12660         (likely_value): Add check of vuse operands.
12661         (get_default_value): Set the default value of virtually defined
12662         variables to UKNOWN_VAL instead of VARYING.
12663
12664 2004-07-22  Richard Henderson  <rth@redhat.com>
12665
12666         * expr.c (emit_push_insn): Don't use set_mem_attributes.
12667
12668 2004-07-22  Richard Henderson  <rth@redhat.com>
12669
12670         * tree-ssa-live.c (create_ssa_var_map): Avoid defined-but-not-used
12671         variables due to conditional compilation.
12672
12673 2004-07-22  Diego Novillo  <dnovillo@redhat.com>
12674
12675         * tree-into-ssa.c (set_livein_block): Fix typo in comment.
12676         (rewrite_ssa_into_ssa): Start iterating over SSA names at 1.
12677         Release SSA names that have been re-renamed.
12678         * tree-phinodes.c (make_phi_node): Set same TREE_TYPE as the
12679         variable.
12680         * tree-ssa-alias.c (init_alias_info): If aliases have been
12681         computed before, clear existing alias information.
12682         (create_name_tags): Do no fixup PT_ANYTHING pointers.
12683         If the new name tag for a pointer is different than the one it
12684         had before, mark the old tag for renaming.
12685         (replace_may_alias): New function.
12686         (group_aliases): Call it.
12687         (setup_pointers_and_addressables): Always call get_tmt_for.
12688         (maybe_create_global_var): Don't create .GLOBAL_VAR more than
12689         once.
12690         (set_pt_anything): New local function.
12691         (set_pt_malloc): New local function.
12692         (merge_pointed_to_info): Don't merge pointed-to variables from
12693         the original pointer if the destination is pointing to an
12694         unknown location.
12695         (add_pointed_to_expr): Call set_pt_anything and set_pt_malloc.
12696         (add_pointed_to_var): Do not add a variable to the points-to
12697         set if the pointer is already pointing to anywhere.
12698         (collect_points_to_info_r): If the defining statement is a PHI
12699         node, only merge pointed-to information if the argument has
12700         already been visited.
12701         (get_tmt_for): Only create a new tag if the pointer didn't
12702         have one already.
12703         (dump_alias_info): Emit more information.
12704         (dump_points_to_info_for): Likewise.
12705         * tree-ssa-dom.c (redirect_edges_and_update_ssa_graph): Don't
12706         try to get the annotation of an SSA_NAME.
12707         * tree-ssa-operands.c (add_stmt_operand): Only check for empty
12708         alias sets when checking is enabled.
12709         * tree-ssa-pre.c (need_eh_cleanup): New local variable.
12710         (eliminate): Mark basic blocks that will need
12711         EH information cleaned up.
12712         (init_pre): Split ENTRY_BLOCK->0 if block 0 has more than one
12713         predecessor.
12714         Initialize need_eh_cleanup.
12715         (fini_pre): Call tree_purge_all_dead_eh_edges and
12716         cleanup_tree_cfg if needed.
12717         Free need_eh_cleanup.
12718         * tree-ssa.c (verify_ssa_name): New function.
12719         (verify_def): Call it.
12720         Re-arrange to avoid printing too many error messages.
12721         (verify_use): Likewise.
12722         (verify_phi_args): Likewise.
12723         (verify_flow_insensitive_alias_info): New function.
12724         (verify_flow_sensitive_alias_info): New function.
12725         (verify_alias_info): New function.
12726         (verify_ssa): Call verify_alias_info.
12727         Clear TREE_VISITED on all the SSA_NAMEs before scanning the
12728         program.
12729         Re-arrange to avoid printing too many error messages.
12730         * tree-ssanames.c (make_ssa_name): Clear
12731         SSA_NAME_IN_FREE_LIST.
12732         (release_ssa_name): Never release a default definition.
12733         (release_defs): New function.
12734         * tree.h: Declare it.
12735         * tree-ssa-dce.c (remove_dead_stmt): Call it.
12736
12737 2004-07-22  Diego Novillo  <dnovillo@redhat.com>
12738
12739         * tree-ssa.c (walk_use_def_chains_1): Add new argument IS_DFS.
12740         If true, do a depth-first search.  Do a breadht-first search,
12741         otherwise.
12742         (walk_use_def_chains): Add new argument IS_DFS.
12743         Update all users.
12744         * tree-flow.h (walk_use_def_chains): Update prototype.
12745
12746 2004-07-22  Hans-Peter Nilsson  <hp@axis.com>
12747
12748         * config/cris/cris.md: Tweak formatting.
12749         (asrandb, asrandw, lsrandb, lsrandw, moversideqi, movemsideqi)
12750         (mover2side, moverside, movemside, movei, op3, andu): Replace
12751         live define_peephole:s with define_peephole2 near-equivalents.
12752         Delete the rest.
12753         ("*mov_sidesisf_biap"): Rename from "*mov_sidesi_biap".  Match all
12754         word-size modes.
12755         ("*mov_sidesisf", "*mov_sidesisf_biap_mem", "*mov_sidesisf_mem"):
12756         Similar for "*mov_sidesi", "*mov_sidesi_biap_mem" and
12757         "*mov_sidesi_mem" respectively.
12758
12759 2004-07-22  Paolo Bonzini  <bonzini@gnu.org>
12760
12761         * tree-cfg.c (gimplify_val): Move from tree-complex.c.
12762         (gimplify_build1): Move from tree-complex.c do_unop.
12763         (gimplify_build2): Move from tree-complex.c do_binop.
12764         (gimplify_build3): New.
12765         * tree-complex.c (gimplify_val, do_unop, do_binop): Remove.
12766         Adjust throughout to call the functions above.
12767         * tree-flow.h: Declare the functions above.
12768         * tree-nested.c (gimplify_val): Rename to...
12769         (tsi_gimplify_val): ... this.
12770
12771         * Makefile.in (tree_complex.o): Update dependencies.
12772         (stor-layout.o): Depend on regs.h.
12773         * c-common.c (handle_vector_size_attribute): Update for
12774         vector types without corresponding vector modes.
12775         * expr.c (expand_expr): Treat VECTOR_CST's like CONSTRUCTORS if
12776         a corresponding vector mode is not available.
12777         * print-tree.c (print_node): Print nunits for vector types
12778         * regclass.c (have_regs_of_mode): New.
12779         (init_reg_sets_1): Initialize it and use it instead
12780         of allocatable_regs_of_mode.
12781         * regs.h (have_regs_of_mode): Declare it.
12782         * stor-layout.c (layout_type): Pick a mode for vector types.
12783         * tree-complex.c (build_word_mode_vector_type, tree_vec_extract,
12784         build_replicated_const, do_unop, do_binop, do_plus_minus,
12785         do_negate, expand_vector_piecewise, expand_vector_parallel,
12786         expand_vector_addition, expand_vector_operations_1,
12787         expand_vector_operations, tree_lower_operations,
12788         pass_lower_vector_ssa, pass_pre_expand): New.
12789         (expand_complex_operations, pass_lower_complex): Remove.
12790         * tree-optimize.c (init_tree_optimization_passes): Adjust
12791         pass ordering for changes in tree-complex.c.
12792         * tree-pass.h: Declare new passes.
12793         * tree.c (finish_vector_type): Remove.
12794         (make_vector_type): New.
12795         (build_vector_type_for_mode, build_vector_type): Rewritten.
12796         * tree.def (VECTOR_TYPE): Document where the number of
12797         subparts is stored.
12798         * tree.h (TYPE_VECTOR_SUBPARTS): Use TYPE_PRECISION field.
12799         (make_vector): Remove declaration.
12800
12801 2004-07-21  Richard Henderson  <rth@redhat.com>
12802
12803         * gimple-low.c (expand_var_p): Don't look at TREE_ADDRESSABLE,
12804         TREE_THIS_VOLATILE, may_aliases, or optimization level.
12805         (remove_useless_vars): Dump debugging info.
12806         (expand_used_vars): Move ...
12807         * cfgexpand.c (expand_used_vars): ... here.  Make static.
12808         * tree-flow-inline.h (set_is_used): New.
12809         (set_default_def): Use get_var_ann.
12810         * tree-flow.h: Update decls.
12811         * tree-ssa-live.c (mark_all_vars_used_1, mark_all_vars_used): New.
12812         (create_ssa_var_map): Use it.
12813         * tree-ssa.c (set_is_used): Remove.
12814
12815 2004-07-22  Ben Elliston  <bje@au.ibm.com>
12816
12817         * gdbinit.in: Set a breakpoint on internal_error.
12818
12819 2004-07-21  Richard Henderson  <rth@redhat.com>
12820
12821         * cfgexpand.c (expand_gimple_tailcall): Fix case where we need
12822         to create a new basic block.
12823
12824 2004-07-22  Joseph S. Myers  <jsm@polyomino.org.uk>
12825
12826         PR c/15052
12827         * c-decl.c (grokdeclarator): Only pedwarn for qualified void
12828         return type on function definitions.  Move other warnings for
12829         qualified return type to -Wreturn-type.  Do not condition any such
12830         warnings on -pedantic.  Update comments.
12831         (start_function): Only copy function type from previous prototype
12832         declaration if return types are compatible.
12833         * c-typeck.c (function_types_compatible_p): Don't condition
12834         warning for incompatibility of volatile qualifiers on the return
12835         type on -pedantic.  Update comment.
12836         * doc/invoke.texi (-Wreturn-type, -Wextra): Update.
12837
12838 2004-07-22  Joseph S. Myers  <jsm@polyomino.org.uk>
12839
12840         * c-typeck.c (set_init_index): Require designator to be of integer
12841         type.
12842
12843 2004-07-22  Joseph S. Myers  <jsm@polyomino.org.uk>
12844
12845         PR c/11250
12846         * c-parse.in (init): Change to exprtype.
12847         (primary): Set original_code for STRING to STRING_CST.
12848         Call maybe_warn_string_init for compound literals.
12849         (initdcl, notype_initdcl): Call maybe_warn_string_init.
12850         (initval): Update.
12851         * c-tree.h (maybe_warn_string_init): New.
12852         (pop_init_level, process_init_element): Use struct c_expr.
12853         (struct c_expr): Update comment.
12854         * c-typeck.c (maybe_warn_string_init): New function.
12855         (digest_init): Call it.  Additional parameter strict_string.  All
12856         callers changed.
12857         (output_init_element): Likewise.
12858         (struct constructor_stack): Use struct c_expr for
12859         replacement_value.
12860         (really_start_incremental_init, push_init_level): Update.
12861         (pop_init_level): Update.  Return struct c_expr.
12862         (process_init_level): Update.  Take struct c_expr argument.
12863
12864 2004-07-21  David S. Miller  <davem@nuts.davemloft.net>
12865
12866         * config/sparc/sparc.c (sparc_rtx_costs): Fix typo in previous
12867         commit.
12868
12869 2004-07-21  Eric Christopher  <echristo@redhat.com>
12870
12871         * builtins.c (expand_builtin_setjmp_receiver): Fix comment for code
12872         removal.
12873         * c-decl.c (pop_scope): Ditto.
12874         * calls.c (expand_call): Remove call to current_nesting_level,
12875         update comment accordingly. Remove calls to expand_start_target_temps
12876         and expand_end_target_temps.
12877         * cfgexpand.c (construct_init_block): Remove call to
12878         expand_start_bindings_and_block.
12879         (construct_exit_block): Remove call to expand_end_bindings.
12880         * expr.c (safe_from_p): Remove BIND_EXPR handling.
12881         (expand_expr_real_1): Ditto. Fix formatting.
12882         (expand_vars): Delete.
12883         * stmt.c (POPSTACK): Remove block_stack.
12884         (stmt_status): Remove x_block_stack.
12885         (block_stack): Delete.
12886         (expand_start_bindings_and_block): Ditto.
12887         (expand_start_target_temps): Ditto.
12888         (expand_end_target_temps): Ditto.
12889         (current_nesting_level): Ditto.
12890         (warn_about_unused_variables): Ditto.
12891         (expand_end_bindings): Ditto.
12892         * tree.h: Remove declarations for above.
12893
12894 2004-07-21  Steven Bosscher  <stevenb@suse.de>
12895
12896         * rtl.h (insn_note): Remove NOTE_INSN_PREDICTION.
12897         * rtl.c (note_insn_name): Likewise.
12898         * print-rtl.c (print_rtx): Don't print it.
12899         * cfgrtl.h (can_delete_note_p): Don't handle it.
12900         (rtl_delete_block): Likewise.
12901         * passes.c (rest_of_handle_guess_branch_prob): Remove.
12902         (rest_of_compilation): Don't call it.
12903         * predict.c (process_note_predictions, process_note_prediction,
12904         note_prediction_to_br_prob): Remove.
12905         * basic-block.c (note_prediction_to_br_prob): Remove prototype.
12906         * stmt.c (return_prediction): Remove.
12907         (expand_value_return): Don't call it.  Don't add prediction
12908         notes for return statements.
12909
12910 2004-07-21  Josef Zlomek  <zlomekj@suse.cz>
12911
12912         * var-tracking.c (vt_find_locations): Set the in_pending bitmap at
12913         once.
12914
12915 2004-07-21  Paolo Bonzini  <bonzini@gnu.org>
12916
12917         * c-common.c (vector_types_convertible_p): Use vector types'
12918         TYPE_SIZE and TREE_TYPE instead of their mode.
12919         * convert.c (convert_to_integer): Likewise.
12920         (convert_to_vector): Likewise.
12921         * fold-const.c (fold_convert): Likewise.
12922         * varasm.c (output_constant): Likewise.
12923         * expr.c (store_constructor): Split ARRAY_TYPE and VECTOR_TYPE.
12924         Allow a VECTOR_TYPE initializer to be made of several vectors.
12925         For ARRAY_TYPEs and VECTOR_TYPES, simplify a bit the handling
12926         of cleared and need_to_clear, and use fold_convert.
12927         * c-typeck.c (build_binary_op): Do not use RDIV_EXPR for
12928         integer vectors.
12929
12930 2004-07-20  Richard Henderson  <rth@redhat.com>
12931
12932         * cfgexpand.c (expand_gimple_cond_expr, expand_gimple_tailcall): Split,
12933         (expand_gimple_basic_block): out from here.  Renamed from expand_block.
12934
12935 2004-07-20  David S. Miller  <davem@nuts.davemloft.net>
12936
12937         * config/sparc/sparc.c (sparc_rtx_costs case MULT): Emit
12938         enormous cost if not TARGET_HARD_MUL.
12939
12940 2004-07-20  Andrew Pinski  <apinski@apple.com>
12941
12942         PR target/16557
12943         * config/i386/darwin.h (CC1_SPEC): Move the -g SPECs from ...
12944         (ASM_SPEC): here.
12945
12946 2004-07-21  Paul brook  <paul@codesourcery.com>
12947
12948         * config/arm/arm.c (thumb_expand_prologue): Remove bogus GEN_INT.
12949
12950 2004-07-20  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
12951
12952         * fold-const.c (operand_equal_p): Temporarily support NULL args.
12953         (operand_equal_p, case ARRAY_REF): Compare args 2 and 3.
12954         (operand_equal_p, case COMPONENT_REF): Likewise, for arg 2.
12955
12956 2004-07-20  Zack Weinberg  <zack@codesourcery.com>
12957
12958         * rtl.h (plus_constant): Delete.
12959         (plus_constant_wide): Rename to plus_constant.
12960         (plus_constant_for_output_wide): Delete vestigial prototype.
12961         (GEN_INT): Remove unnecessary cast.
12962         * tree.h (build_int_2, size_int_type): Delete.
12963         (build_int_2_wide): Rename to build_int_2.
12964         (size_int_wide): Rename to size_int_kind.
12965         (size_int_type_wide): Rename to size_int_type.
12966         (size_int, ssize_int, bitsize_int, sbitsize_int): Use size_int_kind.
12967         Remove unnecessary cast.
12968         * tree.c (build_int_2_wide): Rename build_int_2; update comment.
12969         * explow.c (plus_constant_wide): Rename plus_constant; update comment.
12970         * fold-const.c (size_int_wide): Rename size_int_kind. Use size_int_type.
12971         (size_int_type_wide): Rename size_int_type.
12972         (int_const_binop): Use size_int_type.
12973         * c-lex.c (interpret_integer): Use build_int_2.
12974         * final.c (split_double): Remove unnecessary casts.
12975         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Use build_int_2.
12976
12977 2004-07-20  Richard Henderson  <rth@redhat.com>
12978
12979         * gimplify.c (is_gimple_tmp_var): Move to tree-gimple.c.
12980         (gimplify_compound_lval): Use is_gimple_tmp_reg.
12981         * tree-gimple.c (is_gimple_tmp_var): Move from gimplify.c.
12982         (is_gimple_tmp_reg): New.
12983         * tree-gimple.h (is_gimple_tmp_reg): Declare.
12984
12985 2004-07-20  Richard Henderson  <rth@redhat.com>
12986
12987         * tree-pretty-print.c (dump_generic_node): Dump
12988         CALL_EXPR_HAS_RETURN_SLOT_ADDR.
12989
12990 2004-07-20  Frank Ch. Eigler  <fche@redhat.com>
12991
12992         * tree-mudflap.c (mf_set_options_fndecl): New tree.
12993         (mudflap_init): Set it.
12994         (mudflap_register_call): Remove __mf_init call.
12995         (mudflap_finish_file): Emit call to __mf_init here.  Emit a call to
12996         to pass "-ignore-reads" option to libmudflap if needed.
12997
12998 2004-07-20  John David Anglin  <dava.anglin@nrc-cnrc.gc.ca>
12999
13000         PR c++/14607
13001         * config/pa/pa-hpux10.h (SUPPORTS_ONE_ONLY): Define.
13002         (MAKE_DECL_ONE_ONLY): Undefine.
13003         * pa-protos.h (som_text_section_asm_op, one_only_readonly_data_section,
13004         readonly_data, one_only_data_section, forget_section): New prototypes.
13005         * pa.c (pa_init_machine_status, som_text_section_asm_op): New
13006         functions.
13007         (pa_select_section): Add one-only (COMDAT) support.
13008         * pa.h (struct machine_function): Define.
13009         * som.h (ASM_OUTPUT_FUNCTION_PREFIX): Delete.
13010         (TEXT_SECTION_ASM_OP): Call som_text_section_asm_op.
13011         (DEFAULT_TEXT_SECTION_ASM_OP, NEW_TEXT_SECTION_ASM_OP,
13012         ONE_ONLY_TEXT_SECTION_ASM_OP, ONE_ONLY_READONLY_DATA_SECTION_ASM_OP,
13013         ONE_ONLY_DATA_SECTION_ASM_OP): New defines.
13014         (EXTRA_SECTIONS): Add in_one_only_readonly_data and in_one_only_data.
13015         (EXTRA_SECTION_FUNCTIONS): Rework to use individual function macros.
13016         (READONLY_DATA_FUNCTION, ONE_ONLY_READONLY_DATA_SECTION_FUNCTION,
13017         ONE_ONLY_DATA_SECTION_FUNCTION, FORGET_SECTION_FUNCTION): New defines
13018         for EXTRA_SECTION_FUNCTIONS.
13019         * doc/install.texi: Update binutils requirements.
13020
13021 2004-07-20  Nathan Sidwell  <nathan@codesourcery.com>
13022
13023         * vec.h (VEC_T_length, VEC_T_index, VEC_T_iterate, VEC_T_truncate,
13024         VEC_T_replace, VEC_T_quick_insert, VEC_T_safe_insert,
13025         VEC_T_ordered_remove, VEC_T_unordered_remove): Use unsigned, not
13026         size_t.
13027         (struct VEC): Use unsigned for num and alloc.
13028         * vec.c (struct vec_prefix): Likewise.
13029         (vec_o_reserve): Adjust.
13030
13031         * dbxout.c (dbxout_type): Fix printf format.
13032
13033         * tree.h (binfo_member): Remove.
13034         * tree.c (binfo_member): Remove.
13035
13036 2004-07-20  Nathan Sidwell  <nathan@codesourcery.com>
13037
13038         * tree.h: Include vec.h
13039         (DEF_VEC_P(tree)): New type.
13040         (BINFO_BASE_BINFOS, BINFO_N_BASE_BINFOS, BINFO_BASE_BINFO): Adjust.
13041         (BINFO_BASE_APPEND, BINFO_BASE_ITERATE): New.
13042         (BINFO_LANG_SLOT): Remove.
13043         (BINFO_SUBVTT_INDEX, BINFO_VPTR_INDEX, BINFO_PRIMARY_BASE_OF): New.
13044         (struct tree_binfo): Turn base_binfos into a trailing
13045         VEC(tree). Add vtt_subvtt, vtt_vptr, primary fields.
13046         (binfo_lang_slots): Remove.
13047         * tree.c (binfo_lang_slots): Remove.
13048         (make_tree_binfo_stat): Take a base binfo count, not a
13049         lang slot count.  Adjust.
13050         * Makefile.in (TREE_H): Add vec.h
13051         * alias.c (record_component_aliases): Adjust BINFO access.
13052         * dbxout.c (dbxout_type): Likewise.
13053         * dwarf2out.c (gen_member_die): Likewise.
13054         * sdbout.c (sdbout_one_type): Likewise.
13055         * tree-dump.c (deque_and_dump): Likewise.
13056         * config/i386/i386.c (classify_argument,
13057         contains_128bit_aligned_vector_p): Likewise.
13058         * config/sh/symbian.c (symbian_export_vtable_and_rtti_p): Likewise.
13059         * doc/c-tree.texi (Classes): Update BINFO documentation.
13060
13061 2004-07-20  Steven Bosscher  <stevenb@suse.de>
13062
13063         * c-common.h (check_case_value): Remove prototype.
13064         (c_add_case_label): Adjust prototype.
13065         * c-common.c (check_case_value): Make static.
13066         (check_case_bounds): New function.
13067         (c_add_case_label): Use it.  Take new argument orig_type.
13068         * c-typeck.c (struct c_switch): New orig_type field.
13069         (c_start_case): Set it.
13070         (do_case): Pass it to c_add_case_label.
13071         * expr.c (expand_expr_real_1): Don't warn for out-of-bounds
13072         cases from here.  Add the labels in reverse order.
13073         * stmt.c (struct case_node): Adjust comment.  Remove balance field.
13074         (add_case_node): Return nothing, don't check for duplicate cases.
13075         Insert new case nodes in a list, not in an AVL tree.
13076         (expand_end_case_type): Don't turn a case tree into a case list.
13077         (case_tree2list): Remove.
13078         * tree.h (add_case_node): Adjust prototype.
13079
13080 2004-07-19  Paolo Bonzini  <bonzini@gnu.org>
13081
13082         * genattr.c (struct range, struct function_unit,
13083         write_units, extend_range, init_range): Remove them.
13084         (main): Remove code dealing with DEFINE_FUNCTION_UNIT.
13085         Output "#define INSN_SCHEDULING" here.
13086         * genattrtab.c (struct range, struct function_unit_op,
13087         struct function_unit, struct dimension, enum operator,
13088         operate_exp, expand_units, simplify_knowing,
13089         encode_units_mask, simplify_by_exploding,
13090         find_and_mark_used_attributes, unmark_used_attributes,
13091         add_values_to_cover, increment_current_value,
13092         test_for_current_value, simplify_with_current_value,
13093         simplify_with_current_value_aux, gen_unit,
13094         write_unit_name, write_function_unit_info,
13095         write_complex_function, write_toplevel_expr,
13096         find_single_value, extend_range): Remove.
13097         (write_attr_get): Do not handle common_av->value
13098         being an FFS.
13099         (struct attr_desc): Remove func_units_p and blockage_p.
13100         (write_attr_valueq): Do not handle them.
13101         (find_attr): Do not clear them.
13102         (make_internal_attr): Do not initialize them.
13103         (main): Remove code dealing with DEFINE_FUNCTION_UNIT.
13104         * sched-vis.c (init_target_units, insn_print_units,
13105         init_block_visualization, print_block_visualization,
13106         visualize_scheduled_insns, visualize_no_unit,
13107         visualize_stall_cycles, visualize_alloc,
13108         visualize_free, target_units, get_visual_tbl_length,
13109         MAX_VISUAL_LINES, INSN_LEN, n_visual_lines,
13110         visual_tbl_line_length, visual_tbl, n_vis_no_unit,
13111         MAX_VISUAL_NO_UNIT, vis_no_unit): Remove.
13112         * haifa-sched.c (blockage_range, clear_units,
13113         schedule_unit, actual_hazard, potential_hazard,
13114         insn_unit, unit_last_insn, unit_tick,
13115         actual_hazard_this_instance, potential_hazard,
13116         schedule_unit, max_insn_queue_index_value): Remove.
13117         (MAX_INSN_QUEUE_INDEX): Removed, renamed throughout to
13118         max_insn_queue_index.
13119         * rtl.def (DEFINE_FUNCTION_UNIT): Remove.
13120         * doc/md.texi (Processor pipeline description): Remove
13121         references to old pipeline descriptions.
13122         (Automaton pipeline description): Merge with the above.
13123         (Old pipeline description, Comparison of the two descriptions):
13124         Remove.
13125
13126         * bt-load.c (migrate_btr_def): Remove references to
13127         use_pipeline_interface.
13128         * haifa-sched.c (insn_cost, schedule_insn,
13129         schedule_block, advance_one_cycle, sched_init,
13130         queue_to_ready, sched_finish): Likewise.
13131         * modulo-sched.c (sms_schedule, advance_one_cycle,
13132         ps_has_conflicts): Likewise.
13133         * sched-rgn.c (init_ready): Likewise.
13134         (debug_dependencies): Likewise, and remove an "if (1)".
13135         * target.h (use_dfa_pipeline_interface): Remove.
13136         * config/alpha/alpha.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
13137         * config/arc/arc.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
13138         * config/arm/arm.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
13139         * config/c4x/c4x.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
13140         * config/frv/frv.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
13141         * config/i386/i386.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
13142         * config/ia64/ia64.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
13143         * config/iq2000/iq2000.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
13144         * config/m32r/m32r.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
13145         * config/mcore/mcore.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
13146         * config/mips/mips.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
13147         * config/pa/pa.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
13148         * config/rs6000/rs6000.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
13149         * config/s390/s390.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
13150         * config/sh/sh.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
13151         * config/sparc/sparc.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
13152         * config/v850/v850.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
13153         * config/xtensa/xtensa.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
13154         * doc/tm.texi (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
13155
13156 2004-07-19  Roger Sayle  <roger@eyesopen.com>
13157
13158         * rtlanal.c (reg_set_p): Add check for regs_invalidated_by_call.
13159
13160 2004-07-19  Jeff Law  <law@redhat.com>
13161
13162         * tree-ssa-dom.c (single_incoming_edge_ignoring_loop_edges): New.
13163         (get_eq_expr_value): Use it.  Simplify slightly.
13164
13165 2004-07-19  Maciej W. Rozycki  <macro@linux-mips.org>
13166
13167         * config/mips/mips.md (mulsidi3_32bit_r4000): Fix the clobber list.
13168         (umulsidi3_32bit_r4000): Likewise.
13169
13170 2004-07-19  Nathan Sidwell  <nathan@codesourcery.com>
13171
13172         * vec.h: Propagate location information properly.
13173         (VEC_T_iterate): Add result pointer parameter.
13174         (VEC_T_space): New.
13175         (VEC_T_reserve): Use it.
13176
13177 2004-07-19  Daniel Jacobowitz  <dan@debian.org>
13178
13179         * Makefile.in (c-format.o): Depend on c-format.h.
13180         * c-format.h: New file.
13181         (struct format_char_info): Add CHAIN member.
13182         * c-format.c: Move some types and constants to c-format.h.
13183         (format_type_error): Set to -1.
13184         (struct function_format_info): Use an int for format_type.
13185         (decode_format_type): Return an int.  Return format_type_error
13186         on error.
13187         (print_char_table, asm_fprintf_char_table, gcc_diag_char_table)
13188         (gcc_diag_char_table, gcc_cdiag_char_table, gcc_cxxdiag_char_table)
13189         (scan_char_table, time_char_table, monetary_char_table): Initialize
13190         CHAIN to NULL.
13191         (n_format_types): New variable.
13192         (check_format_info_main): Handle CHAIN in format_char_info.
13193         (handle_format_attribute): Handle TARGET_FORMAT_TYPES and
13194         TARGET_N_FORMAT_TYPES.
13195         * config.gcc (i[34567]86-*-solaris2*, sparc64-*-solaris2*)
13196         (sparc-*-solaris2*): Include config/t-sol2 and config/sol2-c.c.
13197         * config/sol2-c.c: New file.
13198         * config/t-sol2: New file.
13199         * config/sol2.h (TARGET_N_FORMAT_TYPES, TARGET_FORMAT_TYPES): Define.
13200         * config/sparc/elf.h, config/sparc/sp64-elf.h: Undefine
13201         TARGET_N_FORMAT_TYPES and TARGET_FORMAT_TYPES.
13202
13203         * doc/extend.texi (Target Format Checks): New section.
13204         (Function Attributes): Mention it.
13205         * doc/invoke.texi: Mention target format checks.
13206         * doc/sourcebuild.texi: Mention target format checks.
13207         * dc/tm.texi (Misc): Document TARGET_N_FORMAT_TYPES and
13208         TARGET_FORMAT_TYPES.
13209
13210 2004-07-19  Andreas Krebbel  <krebbel1@de.ibm.com>
13211
13212         * config/s390/s390-protos.h (s390_return_address_offset): Prototype
13213         added.
13214         * config/s390/s390.c (regclass_map initializer): Register 35 added to
13215         ADDR_REGS.
13216         (load_multiple_operation, store_multiple_operation): Removed
13217         pointless sanity check.
13218         (s390_decompose_address): Added check for return_address_pointer_rtx.
13219         (s390_return_addr_rtx): Use return_address_pointer_rtx for count == 0.
13220         (s390_return_address_offset): New function.
13221         * config/s390/s390.h (FIRST_PSEUDO_REGISTER): Increased to 36.
13222         (FRAME_REGNO_P): Added check for register 35.
13223         (FIXED_REGISTERS, CALL_USED_REGISTERS, CALL_REALLY_USED_REGISTERS,
13224         REG_ALLOC_ORDER): Appended entry for register 35.
13225         (REG_CLASS_CONTENTS): Adjusted class masks for register 35.
13226         (EH_RETURN_HANDLER_RTX): Use return_address_pointer_rtx.
13227         (RETURN_ADDRESS_POINTER_REGNUM): New macro.
13228         (ELIMINABLE_REGS, INITIAL_ELIMINATION_OFFSET): Return address pointer
13229         is eliminable using stack pointer or hard frame pointer.
13230         (REGISTER_NAMES): Added name for register 35.
13231         * config/s390/s390.md ("load_multiple", "store_multiple"): Removed
13232         pointless sanity check.
13233
13234 2004-07-19  Roger Sayle  <roger@eyesopen.com>
13235
13236         * fold-const.c (tree_expr_nonzero_p): Add function prototype.
13237         (fold) <EQ_EXPR>: Move tree_expr_nonzero_p optimization from
13238         fold_relational_const to here, i.e. "(x | 5) == 0" -> false.
13239         (fold) (UNEQ_EXPR>: Add optimizations for unordered comparisons
13240         of the form "x op x" where op is UNLE, UNGE, UNEQ or LTGT.
13241         (fold_relational_const): Tidy up handling of floating point
13242         comparisons by calling real_compare.  Remove tree_expr_nonzero_p
13243         transformation; fold_relational_const assumes constant operands.
13244
13245 2004-07-19  Gabriel Dos Reis  <gdr@integrable-solution.net>
13246
13247         * doc/sourcebuild.texi: Add libcpp, now that CPP has its own
13248         directory.
13249
13250 2004-07-19  Joseph S. Myers  <jsm@polyomino.org.uk>
13251
13252         * c-tree.h (struct c_expr): Define.
13253         (C_SET_EXP_ORIGINAL_CODE): Remove.
13254         (parser_build_binary_op, build_compound_expr): Update prototypes.
13255         * c-parse.in (%union): Add exprtype.
13256         (FUNC_NAME): Mark as ttype.
13257         (expr, expr_no_commas, cast_expr, unary_expr, primary): Change to
13258         exprtype.
13259         (expr): Update.  Define directly in terms of expr_no_commas
13260         instead of using nonnull_exprlist.
13261         (nonnull_exprlist, unary_expr, cast_expr, expr_no_commas, primary,
13262         offsetof_member_designator, typespec_nonreserved_nonattr, init,
13263         initval, designator, component_declarator,
13264         component_notype_declarator, enumerator, array_declarator,
13265         condition, exexpr, switch_statement, stmt_nocomp, stmt,
13266         nonnull_asm_operands, ivar_declarator, receiver): Update.  Don't
13267         set C_EXP_ORIGINAL_CODE.  Use TREE_NO_WARNING for assignments
13268         where appropriate.
13269         * c-common.h (C_EXP_ORIGINAL_CODE): Remove.
13270         * c-common.c (c_common_truthvalue_conversion): Don't check
13271         C_EXP_ORIGINAL_CODE.
13272         * c-typeck.c (parser_build_binary_op): Use c_expr structures.
13273         Don't use C_EXP_ORIGINAL_CODE.
13274         (default_conversion, default_function_array_conversion): Don't use
13275         C_EXP_ORIGINAL_CODE.  Preserve TREE_NO_WARNING.
13276         (internal_build_compound_expr): Merge into build_compound_expr.
13277         (build_compound_expr): Take two operands instead of a TREE_LIST.
13278         * objc/objc-act.c (get_super_receiver): Update calls to
13279         build_compound_expr.
13280
13281 2004-07-18  Paolo Bonzini  <bonzini@gnu.org>
13282
13283         * config/sh/sh.c (sh_use_dfa_interface): Remove.
13284         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Set to
13285         hook_int_void_1.
13286         * config/sh/sh.md: Extract pipeline descriptions
13287         into separate files.
13288         * config/sh/sh1.md: New file, extracted from sh.md.
13289         * config/sh/sh4.md: New file, extracted from sh.md.
13290         * config/sh/shmedia.md: New file, extracted from sh.md
13291         and rewritten using new-style pipeline description.
13292
13293 2004-07-18  Zack Weinberg  <zack@codesourcery.com>
13294
13295         * config/pa/pa.md: Delete the two remaining define_peephole
13296         patterns.
13297
13298 2004-07-18  Steven Bosscher  <stevenb@suse.de>
13299             Joseph S. Myers  <jsm@polyomino.org.uk>
13300
13301         * c-common.c (c_common_truthvalue_conversion): Don't warn if
13302         TREE_NO_WARNING is set.
13303
13304 2004-07-18  Roger Sayle  <roger@eyesopen.com>
13305
13306         * builtins.c (simplify_builtin_memcmp, simplify_builtin_strcmp,
13307         simplify_builtin_strncmp): Delete.
13308         (fold_builtin_memcmp, fold_builtin_strcmp, fold_builtin_strncmp):
13309         Change argument to accept an arglist instead of an "exp".  Assume
13310         that the return type is always integer_type_node.  Copy missing
13311         transformations from their now obsolete simplify_builtin_*
13312         equivalents.
13313         (fold_builtin_1): Pass arglist instead of exp to fold_builtin_memcmp,
13314         fold_builtin_strcmp and fold_builtin_strncmp.
13315         (simplify_builtin): Call fold_builtin_memcmp, fold_builtin_strcmp
13316         and fold_builtin_strncmp instead of simplify_builtin_memcmp,
13317         simplify_builtin_strcmp and simplify_builtin_strncmp respectively.
13318
13319 2004-07-18  Daniel Jacobowitz  <dan@debian.org>
13320
13321         * Makefile.in (tree-alias-common.o): Update dependencies.
13322
13323 2004-07-17  Sebastian Pop  <pop@cri.ensmp.fr>
13324
13325         * cfgloop.c (flow_loop_nested_p): Fix comment.
13326
13327 2004-07-17  Jason Merrill  <jason@redhat.com>
13328
13329         PR c++/16115
13330         * stor-layout.c (relayout_decl): New fn.
13331         * tree.h: Declare it.
13332         (DECL_BY_REFERENCE): New macro.
13333
13334 2004-07-17  Eric Botcazou  <ebotcazou@act-europe.fr>
13335
13336         * libgcc2.c (__enable_execute_stack): New symbol.
13337         * libgcc-std.ver (GCC_3.4.2): New version.  Inherit from GCC_3.4
13338         and declare __enable_execute_stack.
13339         * mklibgcc.in (lib2funcs): Add _enable_execute_stack.
13340         * config/netbsd.h (NETBSD_ENABLE_EXECUTE_STACK): ANSIfy.
13341         * config/sol2.h (TRANSFER_FROM_TRAMPOLINE): Rename into
13342         ENABLE_EXECUTE_STACK.
13343         * config/alpha/alpha.c (alpha_initialize_trampoline): Conditionalize
13344         on ENABLE_EXECUTE_STACK instead of TRANSFER_FROM_TRAMPOLINE.
13345         * config/alpha/netbsd.h (TRANSFER_FROM_TRAMPOLINE): Rename into
13346         ENABLE_EXECUTE_STACK.
13347         * config/alpha/osf.h (TRANSFER_FROM_TRAMPOLINE): Likewise.
13348         * config/i386/i386.c (x86_initialize_trampoline): Conditionalize
13349         on ENABLE_EXECUTE_STACK instead of TRANSFER_FROM_TRAMPOLINE.
13350         * config/i386/netbsd-elf.h (TRANSFER_FROM_TRAMPOLINE): Rename into
13351         ENABLE_EXECUTE_STACK.
13352         * config/i386/netbsd.h (TRANSFER_FROM_TRAMPOLINE): Likewise.
13353         * config/i386/netbsd64.h (TRANSFER_FROM_TRAMPOLINE): Likewise.
13354         * config/sparc/freebsd.h (TRANSFER_FROM_TRAMPOLINE): Likewise.
13355         * config/sparc/netbsd-elf.h (TRANSFER_FROM_TRAMPOLINE): Likewise.
13356         * config/sparc/sparc.c (sparc_initialize_trampoline): Conditionalize
13357         on ENABLE_EXECUTE_STACK instead of TRANSFER_FROM_TRAMPOLINE.
13358         (sparc64_initialize_trampoline): Likewise.
13359         * doc/tm.texi (trampolines): Add ENABLE_EXECUTE_STACK macro.
13360
13361 2004-07-17  Joseph S. Myers  <jsm@polyomino.org.uk>
13362
13363         * langhooks.h (builtin_function): New langhook.
13364         * langhooks-def.h (LANG_HOOKS_BUILTIN_FUNCTION): New.
13365         (LANG_HOOKS_INITIALIZER): Update.
13366         * tree.h (builtin_function): Remove.
13367         * doc/tm.texi: Update.
13368         * c-tree.h (builtin_function): Declare.
13369         * c-common.c, config/alpha/alpha.c, config/arm/arm.c,
13370         config/c4x/c4x.c, config/frv/frv.c, config/i386/i386.c,
13371         config/ia64/ia64.c, config/iq2000/iq2000.c,
13372         config/rs6000/rs6000.c, config/s390/s390.c, config/sh/sh.c,
13373         config/stormy16/stormy16.c: All callers of builtin_function
13374         changed.
13375
13376 2004-07-17  Andrew Pinski  <pinskia@physics.uc.edu>
13377
13378         PR target/16556
13379         * config/i386/darwin.h (UNLIKELY_EXECUTED_TEXT_SECTION_NAME):
13380         Remove white space after the backslash.
13381
13382 2004-07-17  Eric Botcazou  <ebotcazou@libertysurf.fr>
13383
13384         PR rtl-optimization/16294
13385         * resource.c (return_insn_p): New predicate.
13386         (mark_target_live_regs): Use it.  Special-case return insns.
13387         (init_resource_info): Use it.  Don't scan the epilogue past
13388         a return.
13389
13390 2004-07-17  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
13391
13392         * loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Do not
13393         destroy dominance information.
13394         * passes.c (rest_of_handle_loop2):  Free dominance information.
13395         * tree-cfg.c (cleanup_tree_cfg): Remove unreachable blocks before
13396         jump threading.
13397         (thread_jumps): Update dominance information and remove unreachable
13398         blocks.
13399         * tree-ssa-phiopt.c (replace_phi_with_stmt):  Update dominance
13400         information and remove the unreachable block.
13401
13402 2004-07-17  Graham Stott  <graham.stott@btinternet.com>
13403
13404         * emit-rtl.c (reorder_insns): Don't set BB for a BARRIER insn.
13405
13406 2004-07-17  Toon Moene  <toon@moene.indiv.nluug.nl>
13407
13408         * doc/sourcebuild.texi: Remove libf2c entry.
13409
13410 2004-07-17  Paolo Bonzini  <bonzini@gnu.org>
13411
13412         * config/i386/i386.md (movv16qi_internal): Fix typo.
13413
13414 2004-07-17  Steven Bosscher  <stevenb@suse.de>
13415
13416         * final.c (final_scan_insn): Fix broken commit from previous
13417         patch.
13418
13419 2004-07-17  Joseph S. Myers  <jsm@polyomino.org.uk>
13420
13421         * c-typeck.c (parser_build_binary_op): Condition warnings for
13422         X<=Y<=Z on -Wparentheses instead of -Wextra.
13423         * doc/invoke.texi: Update.  Document that most of -Wparentheses is
13424         supported for C only.
13425
13426 2004-07-17  Steven Bosscher  <stevenb@suse.de>
13427
13428         * cfgcleanup.c (try_simplify_condjump): Don't remove line
13429         notes to avoid unreachable code warnings.
13430         * toplev.c (backend_init): Don't emit line notes for
13431         unreachable code warnings.
13432
13433         * combine.c (distribute_notes): Don't distribute a
13434         REG_VTABLE_REF note.
13435         * final.c (final_scan_insn): Don't handle it.
13436         * rtl.c (reg_note_name): Remove it.
13437         * rtl.h (enum reg_node): Dito.
13438
13439         * emit-rtl.c (force_line_numbers, restore_line_number_status):
13440         Remove.
13441         * rtl.h (force_line_numbers, restore_line_number_status):
13442         Remove prototypes.
13443
13444         * stmt.c (using_eh_for_cleanups_p, using_eh_for_cleanups): Move...
13445         * tree-eh.c (using_eh_for_cleanups_p): ...here.  Make static.
13446         (using_eh_for_cleanups): Also moved here.
13447
13448         * expr.c (expand_expr_real_1) <CASE_LABEL_EXPR>: Die if we see one.
13449         <SWITCH_EXPR>: Die if we have a non-NULL SWITCH_BODY.  Update calls
13450         to expand_start_case and add_case_node.
13451         * stmt.c (struct nesting): Cleanup unused fields condition_code,
13452         last_unconditional_cleanup, nominal_type, printname, and
13453         line_number_status.
13454         (struct fixup_goto): Remove.
13455         (struct stmt_status): Remove x_goto_fixup_chain field.
13456         (goto_fixup_chain): Remove.
13457         (strip_default_case_nodes, group_case_nodes, emit_jump_if_reachable,
13458         pushcase, pushcase_range): Remove.
13459         (expand_start_bindings_and_block): Don't set unused fields in
13460         the nesting stack.
13461         (expand_start_case, add_case_node): Cleanup unused formal arguments.
13462         (expand_end_case_type): Don't simplify the case-list.  Use emit_jump
13463         instead of emit_jump_if_reachable.
13464         (emit_case_nodes): Likewise.
13465         * tree-cfg.c (group_case_labels, cleanup_dead_labels): No longer
13466         static.
13467         (update_eh_label): Work around left-over exception handing regions.
13468         * tree-flow.h (group_case_labels, cleanup_dead_labels): Add protos.
13469         * tree-optimize.c (execute_cleanup_cfg_post_optimizing): New function.
13470         (pass_cleanup_cfg_post_optimizing): New pass.
13471         (init_tree_optimization_passes): Run the new pass after all
13472         optimizations.
13473         * tree.h (pushcase, pushcase_range): Remove prototypes.
13474         (expand_start_case, add_case_node): Update prototypes.
13475
13476 2004-07-16  Krister Walfridsson  <cato@df.lth.se>
13477
13478         * tree-inline.c (estimate_num_insns_1): Correct increase of count.
13479
13480 2004-07-16  Richard Henderson  <rth@redhat.com>
13481
13482         * builtins.c (std_expand_builtin_va_arg): Remove.
13483         (expand_builtin_va_arg): Remove.
13484         * expr.h: Don't declare them.
13485         * gimplify.c (mark_decls_volatile_r): Remove.
13486         (copy_if_shared_r): Don't call it.
13487         * target-def.h: Don't test EXPAND_BUILTIN_VA_ARG.
13488         * expr.c (expand_expr_real_1): Don't handle VA_ARG_EXPR.
13489         * gimple-low.c (lower_stmt): Likewise.
13490         * tree-cfg.c (cfg_remove_useless_stmts_bb): Likewise.
13491         * tree-gimple.c (is_gimple_tmp_rhs, is_gimple_stmt): Likewise.
13492         * tree-ssa-operands.c (get_expr_operands): Likewise.
13493         * doc/tm.texi (TARGET_GIMPLIFY_VA_ARG_EXPR): Don't mention
13494         EXPAND_BUILTIN_VA_ARG.
13495         * system.h (EXPAND_BUILTIN_VA_ARG): Poison.
13496         * config/alpha/alpha.h, config/alpha/unicosmk.h, config/i386/i386.h,
13497         config/ia64/ia64.h, config/rs6000/rs6000.h, config/s390/s390.h,
13498         config/sparc/sparc.h (EXPAND_BUILTIN_VA_ARG): Remove.
13499
13500 2004-07-16  Daniel Berlin  <dberlin@dberlin.org>
13501
13502         * tree-ssa-pre.c (insert_aux): Break out if we hit
13503         a critical edge.
13504
13505 2004-07-16  Richard Henderson  <rth@redhat.com>
13506
13507         * basic-block.h (remove_fake_exit_edges): Declare.
13508         * cfganal.c (remove_fake_predecessors): Rename from
13509         remove_fake_successors; iterate over predecessors.
13510         (remove_fake_exit_edges): New.
13511         * cfgcleanup.c (try_optimize_cfg): Use it.
13512         * gcse.c (one_pre_gcse_pass, store_motion): Likewise.
13513         * predict.c (estimate_probability): Likewise.
13514         (tree_estimate_probability, note_prediction_to_br_prob): Likewise.
13515         * tree-cfg.c (make_edges): Likewise.
13516         * tree-ssa-pre.c (fini_pre): Likewise.
13517         * profile.c (instrument_edges): Don't remove_fake_edges.
13518         (branch_prob): Do it earlier here.
13519
13520 2004-07-16  Richard Henderson  <rth@redhat.com>
13521
13522         * tree-ssa-operands.c (get_expr_operands): Fix 2004-07-15
13523         switchification wrt CONSTRUCTOR.  Document the reason.
13524
13525 2004-07-16  Frank Ch. Eigler  <fche@redhat.com>
13526
13527         * tree-mudflap.c (mf_file_function_line_tree): Correct typo
13528         that prevented descriptive __mf_check source location strings.
13529
13530 2004-07-16  Richard Henderson  <rth@redhat.com>
13531
13532         * tree-def (WITH_SIZE_EXPR): New.
13533         * explow.c (expr_size, int_expr_size): Handle WITH_SIZE_EXPR.
13534         * expr.c (expand_expr_real_1): Likewise.
13535         * gimplify.c (maybe_with_size_expr): New.
13536         (gimplify_arg, gimplify_modify_expr): Use it.
13537         (gimplify_modify_expr_to_memcpy): Take size parameter.
13538         (gimplify_modify_expr_to_memset): Likewise.
13539         (gimplify_expr): Handle WITH_SIZE_EXPR.
13540         * tree-alias-common.c (find_func_aliases): Likewise.
13541         * tree-eh.c (tree_could_trap_p): Likewise.
13542         (tree_could_throw_p): Likewise.
13543         * tree-gimple.c (is_gimple_lvalue): Likewise.
13544         (get_call_expr_in): Likewise.
13545         * tree-inline.c (estimate_num_insns_1): Likewise.
13546         (expand_calls_inline): Likewise.
13547         * tree-nested.c (convert_call_expr): Likewise.
13548         * tree-pretty-print.c (dump_generic_node): Likewise.
13549         * tree-sra.c (sra_walk_expr): Likewise.
13550         * tree-ssa-alias.c (add_pointed_to_expr): Likewise.
13551         * tree-ssa-ccp.c (get_rhs, set_rhs): Likewise.
13552         * tree-ssa-operands.c (get_expr_operands): Likewise.
13553         * tree-tailcall.c (find_tail_calls): Likewise.
13554
13555         * calls.c (expand_call): Reset old_stack_allocated after
13556         calling emit_stack_restore.
13557
13558 2004-07-16  Richard Henderson  <rth@redhat.com>
13559
13560         * langhooks-def.h (LANG_HOOKS_TREE_INLINING_COPY_RES_DECL_FOR_INLINING,
13561         lhd_tree_inlining_copy_res_decl_for_inlining): Remove.
13562         * langhooks.c (lhd_tree_inlining_copy_res_decl_for_inlining): Remove.
13563         * langhooks.h (struct lang_hooks_for_tree_inlining): Remove
13564         copy_res_decl_for_inlining.
13565
13566         * tree-inline.c (declare_return_variable): New modify_dest argument.
13567         Use it as the return value, when possible or manditory.  Handle
13568         TREE_ADDRESSABLE types.
13569         (expand_call_inline): Extract MODIFY_EXPR lhs for call.  Simplify
13570         replacement of CALL_EXPR.
13571
13572 2004-07-16  Richard Henderson  <rth@redhat.com>
13573
13574         * tree-flow.h (struct var_ann_d): Remove has_hidden_use.
13575         * gimple-low.c (expand_var_p): Don't check it.
13576         * tree-ssa-alias.c (setup_pointers_and_addressables): Likewise.
13577         * tree-ssa-copyrename.c (rename_ssa_copies): Likewise.
13578         * tree-ssa-operands.c (add_stmt_operand): Likewise.
13579         * tree-dfa.c (find_hidden_use_vars, find_hidden_use_vars_r): Kill.
13580         (find_referenced_vars): Don't call them.
13581         * tree-flow-inline.h (has_hidden_use, set_has_hidden_use): Kill.
13582
13583 2004-07-16  Richard Henderson  <rth@redhat.com>
13584
13585         * function.c (pass_by_reference): True for all variable sized types.
13586
13587 2004-07-16  Sebastian Pop  <pop@cri.ensmp.fr>
13588
13589         * Makefile.in (tree-pretty-print.o): Depend on tree-chrec.h.
13590         * tree-pretty-print.c: Include tree-chrec.h.
13591         (dump_generic_node): Pretty print SCEV_KNOWN, SCEV_NOT_KNOWN
13592         and POLYNOMIAL_CHREC nodes.
13593
13594 2004-07-16  Steve Ellcey  <sje@cup.hp.com>
13595
13596         * builtins.c (expand_builtin_stpcpy): Do not create temporary
13597         reg with VOIDmode.
13598
13599 2004-07-16  Segher Boessenkool  <segher@kernel.crashing.org>
13600
13601         * config/rs6000/eabi.asm (__eabi_convert): Fix typo (cmpi vs. cmpwi).
13602
13603 2004-07-16  Andreas Krebbel  <krebbel1@de.ibm.com>
13604
13605         * config/s390/s390.md: Changed every occurence of BASE_REGISTER
13606         to BASE_REGNUM.
13607         * config/s390/s390.c: Likewise.
13608         * config/s390/s390.h: Likewise.
13609
13610 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
13611
13612         * config/mips/mips.md (addsi3, adddi3): Remove special handling
13613         of $sp adds.  Remove REGNO checks from mips16 patterns.
13614
13615 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
13616
13617         * config/mips/mips.md: Delete outdated comment.
13618
13619 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
13620
13621         * config/mips/mips.c (get_float_compare_codes): Delete.
13622         (mips_emit_compare): New function, mostly extracted from
13623         get_float_compare_codes and gen_conditional_branch.
13624         (gen_conditional_branch, gen_conditional_move): Use it.
13625
13626 2004-07-16  Segher Boessenkool  <segher@kernel.crashing.org>
13627
13628         * genautomata.c (add_vect): Speedup by using integers as
13629         bit-vectors for walking through the comb_vect and finding
13630         a match.
13631
13632 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
13633
13634         * config/mips/mips.c (mips_zero_if_equal): Only use XORs if the second
13635         operand is an uns_arith_operand; use subtraction otherwise.
13636         * config/mips/mips.md (cmpsi, cmpdi): Allow any nonmemory_operand,
13637         not just arith_operands.
13638
13639 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
13640
13641         * config/mips/mips-protos.h (gen_int_relational): Delete.
13642         (mips_emit_scc): Declare.
13643         * config/mips/mips.c (internal_test): Delete.
13644         (sle_operand, sleu_operand): New functions.
13645         (map_test_to_internal_test, gen_int_relational): Delete.
13646         (mips_emit_binary, mips_relational_operand_ok_p)
13647         (mips_emit_int_relational, mips_zero_if_equal)
13648         (mips_emit_scc): New functions.
13649         (gen_conditional_branch): Rework to use mips_emit_int_relational.
13650         * config/mips/mips.h (PREDICATE_CODES): Add sle_operand and
13651         sleu_operand.
13652         * config/mips/mips.md (seq, sne, sgt, sge, slt, sle, sgtu, sgeu)
13653         (sltu, sleu): Use mips_emit_scc.
13654         (*sge_[sd]i, *sgeu_[sd]i): New patterns.
13655         (*sle_[sd]i, *sle_[sd]i_mips16): Use sle_operand.
13656         (*sleu_[sd]i, *sleu_[sd]i_mips16): Use sleu_operand.
13657
13658 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
13659
13660         * config/mips/mips.md (*sgt_di_mips16): Fix destination constraint.
13661
13662 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
13663
13664         * config/mips/mips.md (*seq_[sd]i): Renamed from seq_[sd]i_zero.
13665         (*sne_[sd]i): Likewise sne_[sd]i_zero.
13666         (*sgt_[sd]i): ...and sgt_[sd]i.
13667         (*slt_[sd]i): ...and slt_[sd]i.
13668         (*sgtu_[sd]i): ...and sgtu_[sd]i.
13669         (*sltu_[sd]i): ...and sltu_[sd]i.
13670         (*sleu_[sd]i): ...and sleu_[sd]i_const.
13671         Name previously unnamed mips16 patterns.  Formatting fixes.
13672
13673 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
13674
13675         * config/mips/mips.c (cmp_operands): Renamed from branch_cmp.
13676         (branch_type): Delete.
13677         (gen_conditional_branch, gen_conditional_move)
13678         (mips_gen_conditional_trap): Update after name change.  Get the
13679         comparison mode from cmp_operands[0].
13680         * config/mips/mips.h (cmp_type, branch_type): Delete.
13681         (cmp_operands): Renamed from branch_cmp.
13682         * config/mips/mips.md (cmpsi, cmpdi, cmpsf, cmpdf): Update after
13683         name change.  Don't set branch_type.
13684         (seq, sne, sgt, sge, slt, sle, sgtu, sgeu, sltu, sleu): Check the
13685         mode class of cmp_operands[0] rather than branch_type.  Update after
13686         name change.
13687
13688 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
13689
13690         * config/mips/mips.c (mips_rtx_costs): In mips16 code, set the cost
13691         of 0...255 to 0 when inside a SET.
13692
13693 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
13694
13695         * config/mips/mips.md: Remove mips16 define_peepholes.
13696
13697 2004-07-16  Daniel Berlin  <dberlin@dberlin.org>
13698
13699         * tree-ssa-pre.c (init_pre): Connect infinite loops to exit.
13700         (fini_pre): Remove fake edges.
13701
13702 2004-07-15  Richard Henderson  <rth@redhat.com>
13703
13704         * tree-ssa-operands.c (get_expr_operands): Use a switch.  Split out...
13705         (get_indirect_ref_operands, get_call_expr_operands): ... these.
13706
13707 2004-07-15  Nathan Sidwell  <nathan@codesourcery.com>
13708
13709         * vec.h (VEC_address): New function.
13710
13711 2004-07-14  Jason Merrill  <jason@redhat.com>
13712
13713         PR middle-end/15885
13714         * gimplify.c (gimplify_arg): New fn, split out from...
13715         (gimplify_call_expr): Here.  Special-case BUILT_IN_VA_START.
13716
13717 2004-07-15  Roman Zippel  <zippel@linux-m68k.org>
13718
13719         * config/m68k/m68k.c (output_move_qimode): Abort on an attempt to
13720         generate code which is generated by pushqi1 now
13721         * config/m68k/m68k.h (MOVE_BY_PIECES_P): Remove.
13722
13723 2004-07-15  Roman Zippel  <zippel@linux-m68k.org>
13724
13725         * combine.c (simplify_set): match the mode of the constant 0 with
13726         the tested operand to match the compare behaviour and the
13727         simplify_relational_operation() expectation.
13728
13729 2004-07-15  Aldy Hernandez  <aldyh@redhat.com>
13730
13731         * config/rs6000/rs6000.md ("bunordered"): Disable for e500.
13732         ("bordered"): Same.
13733
13734 2004-07-15  Aldy Hernandez  <aldyh@redhat.com>
13735
13736         * config/rs6000/rs6000.md ("*cceq_ior_compare"): Allow
13737         unconditionally.
13738         * config/rs6000/spe.md ("e500_cceq_ior_compare"): Remove.
13739
13740 2004-07-15  Richard Sandiford  <rsandifo@redhat.com>
13741
13742         * config/mips/mips.c (mips_adjust_insn_length): Fix handling of
13743         calls in mips16 code.
13744
13745 2004-07-15  Richard Sandiford  <rsandifo@redhat.com>
13746
13747         * config/mips/mips.md: In the mips16 li/neg splitter, use SImode for
13748         the destination of the li as well as for the neg.
13749
13750 2004-07-15  Frank Ch. Eigler  <fche@redhat.com>
13751
13752         g++/15861
13753         * cgraphunit.c (cgraph_build_static_cdtor): Add priority argument.
13754         * cgraph.h: Update declaration.
13755         * c-decl.c (build_cdtor): Update call with default priority.
13756         * coverage.c (create_coverage): Ditto.
13757         * tree-mudflap.c (mf_init_fndecl): New tree.
13758         (mudflap_init): Set it.
13759         (mudflap_register_call): Arrange to call __mf_init before the first
13760         __mf_register call.
13761         (mudflap_finish_file): Mark the mudflap static initializer as extra
13762         high priority, to beat all C++ static constructors.
13763
13764 2004-07-15  Jeff Law  <law@redhat.com>
13765
13766         * loop.c (check_insn_for_givs): Restore check for code labels that was
13767         accidentally deleted by a recent checkin.
13768
13769 2004-07-15  Nathan Sidwell  <nathan@codesourcery.com>
13770
13771         * vec.h (VEC_T_truncate): Allow truncation of an empty vector.
13772         (VEC_T_quick_insert, VEC_T_ordered_remove): Fix sizeof(T) thinko.
13773
13774 2004-07-14  Richard Henderson  <rth@redhat.com>
13775
13776         * print-tree.c (print_node): Fix casts last change.
13777
13778 2004-07-15  Paul Brook  <paul@codesourcery.com>
13779
13780         * dwarf2out.c (dwarf2out_begin_prologue): Rename IA64_UNWIND_INFO
13781         to TARGET_UNWIND_INFO.
13782         * except.c (output_function_exception_table): Ditto.
13783         * except.h: Ditto.
13784         * opts.c (decode_options): Ditto.
13785         * passes.c (rest_of_handle_final): Ditto.
13786         * final.c (final_start_function): Ditto.
13787         (final_scan_insn, final_scan_insn): Replace IA64_UNWIND_EMIT with
13788         target hook.
13789         * targhooks.h (default_unwind_emit): Declare.
13790         * targhooks.c (default_unwind_emit): New function.
13791         * target-def.h: Define and use TARGET_UNWIND_EMIT.
13792         * target.h (struct gcc_target): Add unwind_emit.
13793         * config/ia64/ia64.c (TARGET_UNWIND_EMIT): Define.
13794         * config/ia64/ia64.h: Rename IA64_UNWIND_INFO to TARGET_UNWIND_INFO.
13795         Remove IA64_UNWIND_EMIT.
13796         * doc/tm.texi: Document TARGET_UNWIND_EMIT and TARGET_UNWIND_INFO.
13797
13798 2004-07-14  Richard Henderson  <rth@redhat.com>
13799
13800         * print-tree.c (print_node): Handle SSA_NAME.
13801
13802 2004-07-14  James E Wilson  <wilson@specifixinc.com>
13803
13804         PR target/16325
13805         * config/mips/mips.h (STARTING_FRAME_OFFSET): When flag_profile_value
13806         and ! TARGET_64BIT, include REG_PARM_STACK_SPACE.
13807
13808 2004-07-15  Jakub Jelinek  <jakub@redhat.com>
13809
13810         * expr.c (expand_assignment): Reenable bitfield += optimizations.
13811         Use alias set 0 for memory, do proper mode calculations and adjust
13812         address for memories.
13813
13814 2004-07-14  Per Bothner  <per@bothner.com>
13815
13816         * input.h:  If USE_MAPPED_LOCATION, define separate expanded_location
13817         structure with extra column field.
13818         * tree.c (expand_location):  Also fill in column field.
13819         * gengtype-lex.l:  Ignore expanded_location typedef, sinze gengtype
13820         gets confused by the two conditionally-compiled definitions.
13821
13822 2004-07-14  Eric Christopher  <echristo@redhat.com>
13823
13824         * calls.c (expand_call): Fix typo in comment.
13825
13826 2004-07-14  Steve Ellcey  <sje@cup.hp.com>
13827
13828         * config/ia64/ia64.c (ia64_expand_compare): Allow ORDERED
13829         comparision of TFmode.
13830
13831 2004-07-14  Richard Henderson  <rth@redhat.com>
13832
13833         * config/alpha/alpha.c (alpha_gimplify_va_arg_1): Move indirect ...
13834         (alpha_gimplify_va_arg): ... handling here.  Use pass_by_reference.
13835         * config/c4x/c4x.c (c4x_gimplify_va_arg_expr): Use pass_by_reference.
13836         * config/i386/i386.c (ix86_gimplify_va_arg): Likewise.
13837         * config/i860/i860.c (i860_gimplify_va_arg_expr): Likewise.
13838         * config/ia64/ia64.c (ia64_gimplify_va_arg): Likewise.
13839         * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Likewise.
13840         * config/sh/sh.c (sh_gimplify_va_arg_expr): Likewise.
13841         * config/xtensa/xtensa.c (xtensa_gimplify_va_arg_expr): Likewise.
13842
13843 2004-07-14  Mike Stump  <mrs@apple.com>
13844
13845         * config/darwin.h (WINT_TYPE): Define to be int to match
13846         system header files.
13847
13848 2004-07-14  Bob Wilson  <bob.wilson@acm.org>
13849
13850         * config/xtensa/xtensa.c (function_arg_advance): Check for args
13851         that must be passed in the stack.
13852         (xtensa_gimplify_va_arg_expr): Skip special-case padding for small
13853         arguments if the size is not a constant.
13854
13855 2004-07-14  Per Bothner  <per@bothner.com>
13856
13857         * c-typeck.c (emit_side_effect_warnings):  Use EXPR_HAS_LOCATION
13858         instead of EXPR_LOCUS in a boolean context, which is always true
13859         if --enable-mapped-location.
13860         * stmt.c (warn_if_unused_value):  Likewise.  Also use EXPR_LOCATION.
13861
13862 2004-07-14  Richard Henderson  <rth@redhat.com>
13863
13864         * dominance.c (struct dom_info): Add fake_exit_edge.
13865         (init_dom_info): Allocate it.
13866         (free_dom_info): Free it.
13867         (calc_dfs_tree): Set it.  Handle noreturn and infinite loops
13868         in two passes.
13869         (calc_idoms): Honor fake_exit_edge.
13870
13871 2004-07-13  Jason Merrill  <jason@redhat.com>
13872
13873         * tree-gimple.c (is_gimple_reg_rhs, is_gimple_mem_rhs): New fns.
13874         (rhs_test_for): New fn.
13875         (is_gimple_tmp_rhs): Rename from is_gimple_rhs.
13876         * tree-gimple.h: Declare them.
13877         * gimplify.c (gimplify_modify_expr): Use the new fns.
13878
13879 2004-07-14  Richard Henderson  <rth@redhat.com>
13880
13881         * config/arm/arm-protos.h (arm_va_arg): Remove.
13882         * config/arm/arm.c (arm_va_arg): Remove.
13883         (arm_init_expanders): Fix alignment of arg_pointer_rtx.
13884         * config/arm/arm.h (EXPAND_BUILTIN_VA_ARG): Remove.
13885
13886 2004-07-14  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
13887
13888         * pa.c (fix_range): New function to mark a range(s) of registers as
13889         fixed registers.
13890         (override_options): Call fix_range if the -mfixed-range option string
13891         is not empty.
13892         * pa.h (TARGET_OPTIONS): Add -mfixed-range option.
13893         * doc/invoke.texi (-mfixed-range): Document new option.
13894
13895 2004-07-14  David Edelsohn  <edelsohn@gnu.org>
13896
13897         * config/rs6000/rs6000.c (function_arg_padding): Do not pad SFmode
13898         for TARGET_64BIT.
13899         (rs6000_gimplify_va_arg): Use size_int instead of build_int_2.
13900
13901 2004-07-14  Roger Sayle  <roger@eyesopen.com>
13902
13903         * expmed.c (expand_sdiv_pow2): New function to expand signed division
13904         by a positive power of two, split out from expand_divmod.  Provide
13905         an alternate implementation when shifts are expensive.  Lower the
13906         threshold for using a branchless implementation to BRANCH_COST >= 2.
13907         (expand_divmod): Call expand_sdiv_pow2 for suitable divisions.
13908
13909 2004-07-14  Paolo Bonzini  <bonzini@gnu.org>
13910
13911         * tree-dfa.c (make_rename_temp): *Really* work just
13912         like create_tmp_var if called while outside SSA form.
13913
13914 2004-07-14  Ulrich Weigand  <uweigand@de.ibm.com>
13915
13916         * config/s390/s390.md ("udivsi3"): Ensure trap is generated
13917         for division by zero.
13918         ("umodsi3"): Likewise.
13919
13920 2004-07-14  Richard Sandiford  <rsandifo@redhat.com>
13921
13922         * config/mips/mips.c (mips_output_move): When generating mips16 code,
13923         force loads of negative constants to be split.
13924         * config/mips/mips.md (*movhi_mips16, *movqi_mips16): Likewise.
13925         Generalize SImode li/neg splitter to cope with other modes.
13926
13927 2004-07-14  Paolo Bonzini  <bonzini@gnu.org>
13928
13929         * expmed.c: Remove more references to QUEUED in the comments.
13930         * expr.c: Likewise.
13931
13932 2004-07-14  Richard Sandiford  <rsandifo@redhat.com>
13933
13934         Revert:
13935         2004-07-13  Richard Henderson  <rth@redhat.com>
13936         * config/mips/mips.c (mips_pass_by_reference): Handle mode sizes
13937         correctly.
13938
13939 2004-07-14  Paolo Bonzini  <bonzini@gnu.org>
13940
13941         * tree-dfa.c (make_rename_temp): Work just like
13942         create_tmp_var if called while outside SSA form.
13943
13944 2004-07-14  Paolo Bonzini  <bonzini@gnu.org>
13945
13946         * expr.c (enqueue_insn, finish_expr_for_function,
13947         protect_from_queue, queued_subexp_p, mark_queue,
13948         emit_insns_enqueued_after_mark, emit_queue,
13949         expand_increment): Remove.
13950         (store_constructor): Expand increment as an assignment.
13951         (expand_expr_real_1 <case PREINCREMENT_EXPR,
13952         case PREDECREMENT_EXPR, case POSTINCREMENT_EXPR,
13953         case POSTDECREMENT_EXPR>): Abort.
13954         * expr.h (QUEUED_VAR, QUEUED_INSN, QUEUED_COPY,
13955         QUEUED_BODY, QUEUED_NEXT, finish_expr_for_function,
13956         protect_from_queue, emit_queue, queued_subexp_p): Remove.
13957         * function.h (pending_chain, x_pending_chain): Remove.
13958         * rtl.def (QUEUED): Remove.
13959
13960         * emit-rtl.c (copy_insn_1, copy_most_rtx,
13961         set_used_flags, verify_rtx_sharing): Remove references to QUEUED.
13962         * genattrtab.c (attr_copy_rtx, clear_struct_flag,
13963         encode_units_mask): Likewise.
13964         * local-alloc.c (equiv_init_varies_p): Likewise.
13965         * rtl.c (copy_rtx): Likewise.
13966         * rtlanal.c (rtx_unstable_p, rtx_varies_p): Likewise.
13967         * simplify-rtx.c (simplify_gen_subreg): Likewise.
13968         * config/mn10300/mn10300.c (legitimate_pic_operand_p): Likewise.
13969
13970         * builtins.c (expand_builtin, expand_builtin_apply,
13971         expand_builtin_mathfn, expand_builtin_mathfn_2,
13972         expand_builtin_mathfn_3, expand_builtin_setjmp_setup):
13973         Remove calls to emit_queue and protect_from_queue.
13974         * calls.c (expand_call, precompute_arguments,
13975         precompute_register_parameters, rtx_for_function_call,
13976         store_one_arg): Likewise.
13977         * dojump.c (do_compare_and_jump, do_jump): Likewise.
13978         * explow.c (memory_address): Likewise.
13979         * expmed.c (clear_by_pieces_1, clear_storage,
13980         clear_storage_via_libcall, emit_group_load,
13981         emit_group_store, emit_store_flag,
13982         expand_expr_real_1, store_by_pieces,
13983         store_constructor, store_expr, try_casesi,
13984         try_tablejump): Likewise.
13985         * function.c (expand_pending_sizes): Likewise.
13986         * optabs.c (emit_cmp_and_jump_insns,
13987         emit_conditional_add, emit_conditional_move,
13988         expand_fix, expand_float, prepare_cmp_insn): Likewise.
13989         * stmt.c (emit_case_bit_tests,
13990         expand_asm_expr, expand_computed_goto,
13991         expand_decl_init, expand_end_case_type,
13992         expand_end_stmt_expr, expand_expr_stmt_value,
13993         expand_return, expand_start_case,
13994         optimize_tail_recursion): Likewise.
13995         * config/c4x/c4x.c (c4x_expand_builtin): Likewise.
13996         * config/s390/s390.c (s390_expand_cmpmem): Likewise.
13997
13998 2004-07-14  Ben Elliston  <bje@au.ibm.com>
13999
14000         * vec.h: Comment fix.
14001
14002 2004-07-13  Richard Henderson  <rth@redhat.com>
14003
14004         * target.h (struct gcc_target): Add calls.pass_by_reference.
14005         * target-def.h (TARGET_PASS_BY_REFERENCE): New.
14006         * function.c (pass_by_reference): Use the hook.
14007         * system.h (FUNCTION_ARG_PASS_BY_REFERENCE): Poison.
14008         * targhooks.c, targhooks.h (hook_pass_by_reference_false): New.
14009         (hook_pass_by_reference_must_pass_in_stack): New.
14010         * config/alpha/alpha.c (function_arg): Don't query pass-by-ref.
14011         (alpha_pass_by_reference): New.
14012         (TARGET_PASS_BY_REFERENCE): New.
14013         * config/alpha/alpha.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
14014         * config/arc/arc.c (arc_pass_by_reference): New.
14015         (TARGET_PASS_BY_REFERENCE): New.
14016         * config/arc/arc.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
14017         (FUNCTION_ARG_CALLEE_COPIES): True.
14018         * config/arm/arm-protos.h (arm_function_arg_pass_by_reference): Remove.
14019         * config/arm/arm.c (TARGET_PASS_BY_REFERENCE): New.
14020         (arm_pass_by_reference): Rename from arm_function_arg_pass_by_reference.
14021         * config/arm/arm.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
14022         * config/c4x/c4x.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
14023         * config/cris/cris.c (cris_pass_by_reference): New.
14024         (TARGET_PASS_BY_REFERENCE): New.
14025         * config/cris/cris.h (FUNCTION_ARG): Don't query pass-by-ref.
14026         (FUNCTION_INCOMING_ARG, FUNCTION_ARG_ADVANCE): Likewise.
14027         (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
14028         * config/fr30/fr30.c (TARGET_PASS_BY_REFERENCE): New.
14029         * config/fr30/fr30.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
14030         * config/frv/frv-protos.h (frv_function_arg_pass_by_reference): Kill.
14031         * config/frv/frv.c (TARGET_PASS_BY_REFERENCE): New.
14032         (frv_function_arg_pass_by_reference): Remove.
14033         * config/frv/frv.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
14034         * config/i386/i386-protos.h (function_arg_pass_by_reference): Remove.
14035         * config/i386/i386.c (TARGET_PASS_BY_REFERENCE): New.
14036         (ix86_pass_by_reference): Rename from function_arg_pass_by_reference.
14037         * config/i386/i386.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
14038         * config/ia64/ia64-protos.h (ia64_function_arg_pass_by_reference): Kill.
14039         * config/ia64/ia64.c (TARGET_PASS_BY_REFERENCE): New.
14040         (ia64_pass_by_reference): Rename from
14041         ia64_function_arg_pass_by_reference.
14042         * config/ia64/ia64.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
14043         * config/ip2k/ip2k.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
14044         * config/iq2000/iq2000-protos.h (function_arg_pass_by_reference): Kill.
14045         * config/iq2000/iq2000.c (TARGET_PASS_BY_REFERENCE): New.
14046         (iq2000_pass_by_reference): Rename from function_arg_pass_by_reference.
14047         * config/iq2000/iq2000.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
14048         (FUNCTION_ARG_CALLEE_COPIES): Don't reference pass-by-ref.
14049         * config/m32r/m32r-protos.h (m32r_pass_by_reference): Remove.
14050         * config/m32r/m32r.c (TARGET_PASS_BY_REFERENCE): New.
14051         (m32r_pass_by_reference): Adjust prototype.  Make static.
14052         Handle mode sizes correctly.
14053         * config/m32r/m32r.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
14054         * config/m68hc11/m68hc11-protos.h, config/m68hc11/m68hc11.c
14055         (m68hc11_function_arg_pass_by_reference): Remove.
14056         * config/m68hc11/m68hc11.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
14057         (FUNCTION_ARG_CALLEE_COPIES): Don't reference pass-by-ref.
14058         * config/mcore/mcore.c (TARGET_PASS_BY_REFERENCE): New.
14059         * config/mcore/mcore.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
14060         * config/mips/mips-protos.h (function_arg_pass_by_reference): Remove.
14061         * config/mips/mips.c (TARGET_PASS_BY_REFERENCE): New.
14062         (mips_va_arg): Use pass_by_reference.
14063         (mips_pass_by_reference): Rename from function_arg_pass_by_reference.
14064         Handle mode sizes correctly.
14065         * config/mips/mips.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
14066         (FUNCTION_ARG_CALLEE_COPIES): Don't reference pass-by-ref.
14067         * config/mmix/mmix-protos.h (mmix_function_arg_pass_by_reference): Kill.
14068         * config/mmix/mmix.c (TARGET_PASS_BY_REFERENCE): New.
14069         (mmix_pass_by_reference): Rename from
14070         mmix_function_arg_pass_by_reference.
14071         * config/mmix/mmix.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
14072         (FUNCTION_ARG_CALLEE_COPIES): True.
14073         * config/mn10300/mn10300.c (TARGET_PASS_BY_REFERENCE): New.
14074         (mn10300_pass_by_reference): New.
14075         * config/mn10300/mn10300.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
14076         (FUNCTION_ARG_CALLEE_COPIES): True.
14077         * config/pa/pa.c (pa_pass_by_reference): New.
14078         (TARGET_PASS_BY_REFERENCE): New.
14079         * config/pa/pa.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
14080         (FUNCTION_ARG_CALLEE_COPIES): True.
14081         * config/rs6000/rs6000-protos.h (function_arg_pass_by_reference): Kill.
14082         * config/rs6000/rs6000.c (TARGET_PASS_BY_REFERENCE): New.
14083         (rs6000_pass_by_reference): Rename from function_arg_pass_by_reference.
14084         * config/rs6000/rs6000.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
14085         * config/s390/s390-protos.h (s390_function_arg_pass_by_reference): Kill.
14086         * config/s390/s390.c (TARGET_PASS_BY_REFERENCE): New.
14087         (s390_pass_by_reference): Rename from
14088         s390_function_arg_pass_by_reference.
14089         (s390_function_arg_advance): Don't query pass-by-ref.
14090         (s390_function_arg): Likewise.
14091         (s390_gimplify_va_arg): Use pass_by_reference.
14092         (s390_call_saved_register_used): Likewise.
14093         * config/s390/s390.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
14094         * config/sh/sh.c (TARGET_PASS_BY_REFERENCE): New.
14095         (shcompact_byref, sh_pass_by_reference): New.
14096         * config/sh/sh.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
14097         (SHCOMPACT_BYREF): Remove.
14098         * config/sparc/sparc-protos.h (function_arg_pass_by_reference): Kill.
14099         * config/sparc/sparc.c (TARGET_PASS_BY_REFERENCE): New.
14100         (sparc_pass_by_reference): Rename from function_arg_pass_by_reference.
14101         (sparc_gimplify_va_arg): Use pass_by_reference.
14102         * config/sparc/sparc.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
14103         * config/stormy16/stormy16.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
14104         * config/v850/v850.c (TARGET_PASS_BY_REFERENCE): New.
14105         (v850_pass_by_reference): New.
14106         * config/v850/v850.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
14107         (FUNCTION_ARG_CALLEE_COPIES): True.
14108         * doc/tm.texi (TARGET_PASS_BY_REFERENCE): Update from
14109         FUNCTION_ARG_PASS_BY_REFERENCE docs.
14110
14111 2004-07-14  Richard Henderson  <rth@redhat.com>
14112             Richard Sandiford  <rsandifo@redhat.com>
14113
14114         * config/mips/mips-protos.h (mips_va_arg): Delete.
14115         * config/mips/mips.h (EXPAND_BUILTIN_VA_ARG): Delete.
14116         * config/mips/mips.c: Include tree-gimple.h.
14117         (TARGET_GIMPLIFY_VA_ARG_EXPR): Define.
14118         (mips_arg_info): Remove special handling of must_pass_in_stck args.
14119         (mips_gimplify_va_arg_expr): Rewritten from mips_va_arg.
14120         (function_arg_pass_by_reference): Return true if must_pass_in_stack.
14121
14122 2004-07-13  Bob Wilson  <bob.wilson@acm.org>
14123
14124         * config/xtensa/xtensa.c (xtensa_gimplify_va_arg_expr): Swap
14125         arguments for COND_EXPR in big-endian adjustment code.
14126
14127 2004-07-13  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
14128
14129         * pa-64.h (ARG_POINTER_REGNUM, STATIC_CHAIN_REGNUM): Delete.
14130         * pa.h (ARG_POINTER_REGNUM, STATIC_CHAIN_REGNUM): Modify for hppa64.
14131         * pa32-regs.h (REG_ALLOC_ORDER): Reorder caller-saved registers.
14132         * pa64-regs.h (REG_ALLOC_ORDER): Likewise.
14133
14134 2004-07-13  Diego Novillo  <dnovillo@redhat.com>
14135
14136         PR tree-optimization/16443
14137         * tree-ssa-alias.c: Add more description for
14138         CALL_CLOBBERED_VARS and ADDRESSABLE_VARS.
14139         * tree-ssa-operands.c (get_asm_expr_operands): Re-order the
14140         clobbering of call-clobbered and addressable variables.  If
14141         there are any before aliases have been computed, add them.
14142
14143 2004-07-13  Diego Novillo  <dnovillo@redhat.com>
14144
14145         * tree-optimize.c (execute_todo): Flush DUMP_FILE before
14146         verification.
14147
14148 2004-07-13  Ulrich Weigand  <uweigand@de.ibm.com>
14149
14150         * config/s390/s390.c (s390_gimplify_va_arg): Use size_int instead
14151         of build_int_2.  Convert both operands of PLUS_EXPR and MULT_EXPR
14152         to the same type.
14153
14154 2004-07-13  Per Bothner  <per@bothner.com>
14155
14156         * collect2.c (main):  Handle --no-demangle and --demangle flags.
14157
14158 2004-07-13  Sebastian Pop  <pop@cri.ensmp.fr>
14159
14160         * Makefile.in (OBJS-common): Add tree-data-ref.o.
14161         (tree-scalar-evolution.o): Add missing dependences on tree-pass.h flags.h.
14162         (tree-data-ref.o): New rule.
14163         * lambda.h: New file.
14164         * tree-data-ref.c: New file.
14165         * tree-data-ref.h: New file.
14166         * tree.c (int_cst_value, tree_fold_gcd): New functions.
14167         * tree.h (int_cst_value, tree_fold_gcd): Declared here.
14168
14169 2004-07-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
14170
14171         PR target/13926
14172         * config/sparc/sparc-protos.h (output_ubranch): New prototype.
14173         * config/sparc/sparc.c (output_ubranch): New function.
14174         * config/sparc/sparc.md (jump pattern): Use it.
14175
14176 2004-07-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
14177
14178         PR target/16494
14179         * config/sparc/sparc.c (output_cbranch): Properly guard
14180         the code handling far branches with TARGET_V9.
14181         * config/sparc/sparc.md (length attribute): Document the
14182         side-effect of having a length greater or equal to 3.
14183
14184 2004-07-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
14185             Lloyd Parkes  <lloyd@must-have-coffee.gen.nz>
14186
14187         PR target/15186
14188         * config/sparc/sol2-bi.h (LINK_ARCH64_SPEC_BASE): Pass
14189         /usr/ucblib/sparcv9 as -R path when -compat-bsd is specified.
14190
14191 2004-07-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
14192             Martin Sebor  <sebor@roguewave.com>
14193
14194         PR target/12602
14195         * doc/invoke.texi (SPARC options): Document -threads
14196         and -pthreads on Solaris.
14197
14198 2004-07-13  Richard Henderson  <rth@redhat.com>
14199
14200         * builtins.c (std_gimplify_va_arg_expr): Handle types passed
14201         by reference.
14202         (ind_gimplify_va_arg_expr): Remove.
14203         * tree.h (ind_gimplify_va_arg_expr): Remove.
14204         * config/pa/pa.c (hppa_gimplify_va_arg_expr): Don't use it.
14205         * config/mmix/mmix.c (mmix_function_arg_pass_by_reference): Allow
14206         argsp to be null.
14207
14208         * config/arc/arc.c (arc_gimplify_va_arg_expr): Remove.
14209         (TARGET_GIMPLIFY_VA_ARG_EXPR): Remove.
14210         * config/cris/cris.c, config/fr30/fr30.c, config/frv/frv.c,
14211         config/iq2000/iq2000.c, config/m32r/m32r.c, config/mmix/mmix.c,
14212         config/mn10300/mn10300.c, config/v850/v850.c: Similarly.
14213
14214 2004-07-13  Richard Henderson  <rth@redhat.com>
14215
14216         * function.c (pass_by_reference): New.
14217         (assign_parm_find_data_types): Use it.
14218         * calls.c (initialize_argument_information): Likewise.
14219         (emit_library_call_value_1): Likewise.
14220         * expr.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
14221         * function.h (pass_by_reference): Declare.
14222
14223 2004-07-13  Richard Henderson  <rth@redhat.com>
14224
14225         * target-def.h (TARGET_MUST_PASS_IN_STACK): New.
14226         * target.h (struct gcc_target): Add calls.must_pass_in_stack.
14227         * expr.h (MUST_PASS_IN_STACK): Remove.
14228         * system.h (MUST_PASS_IN_STACK): Poison.
14229         * tree.h (must_pass_in_stack_var_size): Declare.
14230         (must_pass_in_stack_var_size_or_pad): Declare.
14231         * calls.c (must_pass_in_stack_var_size): New.
14232         (must_pass_in_stack_var_size_or_pad): Rename from
14233         default_must_pass_in_stack.
14234         * config/alpha/alpha.c (unicosmk_must_pass_in_stack): New.
14235         (TARGET_MUST_PASS_IN_STACK): New.
14236         * config/alpha/unicosmk.h (MUST_PASS_IN_STACK): Remove.
14237         * config/fr30/fr30.c (fr30_must_pass_in_stack): New.
14238         (TARGET_MUST_PASS_IN_STACK): New.
14239         * config/fr30/fr30.h (MUST_PASS_IN_STACK): Remove.
14240         * config/frv/frv.c (frv_must_pass_in_stack): New.
14241         (TARGET_MUST_PASS_IN_STACK): New.
14242         * config/frv/frv.h (MUST_PASS_IN_STACK): Remove.
14243         * config/i386/i386-protos.h (ix86_must_pass_in_stack): Remove.
14244         * config/i386/i386.c (TARGET_MUST_PASS_IN_STACK): New.
14245         (ix86_must_pass_in_stack): Make static.
14246         * config/i386/i386.h (MUST_PASS_IN_STACK): Remove.
14247         * config/ia64/ia64.c (TARGET_MUST_PASS_IN_STACK): New.
14248         * config/ia64/ia64.h (MUST_PASS_IN_STACK): Remove.
14249         * config/m32r/m32r.c (TARGET_MUST_PASS_IN_STACK): New.
14250         * config/m32r/m32r.h (MUST_PASS_IN_STACK): Remove.
14251         * config/mcore/mcore-protos.h (mcore_must_pass_on_stack): Remove.
14252         * config/mcore/mcore.c (TARGET_MUST_PASS_IN_STACK): New.
14253         (mcore_must_pass_on_stack): Remove.
14254         * config/mcore/mcore.h (MUST_PASS_IN_STACK): Remove.
14255         * config/mips/mips.c (TARGET_MUST_PASS_IN_STACK): New.
14256         * config/mips/mips.h (MUST_PASS_IN_STACK): Remove.
14257         * config/pa/pa.c (TARGET_MUST_PASS_IN_STACK): New.
14258         * config/pa/pa.h (MUST_PASS_IN_STACK): Remove.
14259         * config/rs6000/aix.h (MUST_PASS_IN_STACK): Remove.
14260         * config/rs6000/linux64.h (MUST_PASS_IN_STACK): Remove.
14261         * config/rs6000/rs6000.c (rs6000_must_pass_in_stack): New.
14262         (TARGET_MUST_PASS_IN_STACK): New.
14263         * config/sh/sh.c (TARGET_MUST_PASS_IN_STACK): New.
14264         * config/sh/sh.h (MUST_PASS_IN_STACK): Remove.
14265         * config/sparc/sparc.c (TARGET_MUST_PASS_IN_STACK): New.
14266         * config/sparc/sparc.h (MUST_PASS_IN_STACK): Remove.
14267         * config/xtensa/xtensa.c (TARGET_MUST_PASS_IN_STACK): New.
14268         * config/xtensa/xtensa.h (MUST_PASS_IN_STACK): Remove.
14269         * doc/tm.texi (TARGET_MUST_PASS_IN_STACK): Update from
14270         MUST_PASS_IN_STACK.
14271
14272         * calls.c, function.c, config/alpha/alpha.c, config/alpha/alpha.h,
14273         config/alpha/unicosmk.h, config/alpha/vms.h, config/c4x/c4x.c,
14274         config/cris/cris.h, config/fr30/fr30.c, config/fr30/fr30.h,
14275         config/frv/frv.c, config/i386/i386.c, config/iq2000/iq2000.c,
14276         config/mcore/mcore.c, config/mcore/mcore.h, config/mips/mips.c,
14277         config/mmix/mmix.c, config/mmix/mmix.h, config/rs6000/rs6000.c,
14278         config/sh/sh.c, config/sh/sh.h, config/stormy16/stormy16.c,
14279         config/xtensa/xtensa.c: Use target hook.
14280
14281 2004-07-13  Anthony Heading  <aheading@jpmorgan.com>
14282
14283         * configure.ac (gcc_cv_as_offsetable_lo10): Fix a typo.
14284         * configure: Rebuilt.
14285
14286 2004-07-13  Richard Sandiford  <rsandifo@redhat.com>
14287
14288         * doc/invoke.texi: Remove documentation for MIPS -mrnames option.
14289         * config/mips/mips.h (mips_reg_names): Don't declare.
14290         (MASK_NAME_REGS): Delete.  Shuffle other MASK_* values down.
14291         (TARGET_NAME_REGS): Delete.
14292         (TARGET_SWITCHES): Remove -mrnames.
14293         (REGISTER_NAMES): Initialise with the old contents of mips_reg_names[].
14294         (ADDITIONAL_REGISTER_NAMES): Remove entries for names mentioned
14295         in REGISTER_NAMES.
14296         * config/mips/mips.c (mips_reg_names, mips_sw_reg_names): Delete.
14297         (override_options): Remove handling of TARGET_NAME_REGS.
14298
14299 2004-07-13  Richard Sandiford  <rsandifo@redhat.com>
14300
14301         * config/mips/mips.h (TARGET_*): Boolify.
14302
14303 2004-07-12  Nick Clifton  <nickc@redhat.com>
14304
14305         * config.gcc: Add sh-*-symbianelf target.
14306         * config/sh/sh.c: Add new target macros:
14307         TARGET_ENCODE_SECTION_INFO, TARGET_STRIP_NAME_ENCODING,
14308         TARGET_CXX_IMPORT_EXPORT_CLASS.
14309         (sh_file_start): Create a definition of the .directive section.
14310         (sh_attribute): Add dllimport and dllexport attributes.
14311         * config/sh/symbian-pre.h: New file.
14312         * config/sh/symbian-post.h: New file.
14313         * config/sh/symbian.c: New file. Contains Symbian specific
14314         functions.
14315         * config/sh/sh-protos.h: Add prototypes for new functions
14316         provided by symbian.c.
14317         * config/sh/t-symbian: New file.
14318         * doc/extend.texi: Document support for dllimport and dllexport
14319         attributes by the sh-symbianelf target.
14320
14321 2004-07-12  James E Wilson  <wilson@specifixinc.com>
14322
14323         * Makefile.in (AR): Use @AR@ not ar.
14324         (NM): New.
14325         (AR_FOR_TARGET): Use $(AR) not ar for native.
14326         (NM_FOR_TARGET): Use $(NM) not nm for native.
14327         * configure.ac: Add AC_CHECK_PROG calls for NM and AR.
14328         * configure: Regenerate.
14329
14330 2004-07-12  David S. Miller  <davem@nuts.davemloft.net>
14331
14332         * config/sparc/sparc.md (ashlsi3): Eliminate const 1
14333         special case.
14334         (ashldi3_sp64): Likewise.
14335
14336 2004-07-12  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
14337
14338         PR target/16477
14339         * pa.c (function_arg): Update comment.
14340         * pa.h (BLOCK_REG_PADDING): Define.
14341
14342 2004-07-12  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
14343
14344         PR tree-optimization/16461
14345         * tree-tailcall.c (independent_of_stmt_p): Handle non-SSA name
14346         arguments of phi nodes.
14347
14348 2004-07-12  Devang Patel  <dpatel@apple.com>
14349
14350         * doc/invoke.texi (Darwin Options): Document -gused and -gfull.
14351
14352 2004-07-12  Steve Ellcey  <sje@cup.hp.com>
14353
14354         * function.c (expand_function_start): Ensure r_save is in Pmode.
14355         * calls.c (prepare_call_address): Ensure static_chain_value is
14356         in Pmode.
14357         * builtins.c (expand_builtin_nonlocal_goto): Ensure r_label and
14358         r_save_area are in Pmode.
14359         * config/ia64/ia64.c (ia64_initialize_trampoline): Ensure addr,
14360         fnaddr, and static_chain are in Pmode.
14361
14362 2004-07-12  Vladimir Makarov  <vmakarov@redhat.com>
14363
14364         PR target/16445
14365         * config/ia64/ia64.c (bundling): Don't count ignored insns.
14366
14367 2004-07-12  Richard Henderson  <rth@redhat.com>
14368
14369         * target.h (struct gcc_target): Move gimplify_va_arg_expr
14370         next to build_builtin_va_list.
14371         * target-def.h (TARGET_GIMPLIFY_VA_ARG_EXPR): Update to match.
14372         * builtins.c (gimplify_va_arg_expr): Likewise.
14373         * gimplify.c (copy_if_shared_r): Likewise.
14374
14375 2004-07-12  Alexandre Oliva  <aoliva@redhat.com>
14376
14377         * passes.c (rest_of_decl_compilation): Don't defer call of
14378         assemble_variable if its DECL_RTL is already set.
14379
14380 2004-07-12  Sebastian Pop  <pop@cri.ensmp.fr>
14381
14382         * cfgloop.h (struct loop): Add nb_iterations field.
14383         (current_loops): Declare.
14384         * tree-chrec.c (chrec_not_analyzed_yet,
14385         chrec_dont_know, chrec_known, count_ev_in_wider_type,
14386         chrec_contains_symbols_defined_in_loop): Remove the temporary
14387         hooks.
14388         * tree-flow-inline.h (loop_containing_stmt): New function.
14389         * tree-scalar-evolution.c: Add implementation.
14390         * tree-scalar-evolution.h: Add declarations.
14391
14392 2004-07-12 Vladimir Makarov <vmakarov@redhat.com>
14393
14394         PR rtl-optimization/15921
14395         * Makefile.in (global.o): Add recog.h.
14396
14397         * global.c (recog.h): Add the include-clause.
14398         (bb_info): New member earlyclobber.
14399         (allocate_bb_info, free_bb_info): Initialize/finish the new
14400         member.
14401         (earlyclobber_regclass, earlyclobber_regclass_length): The new
14402         global variables.
14403         (check_earlyclobber, regclass_intersect,
14404         mark_reg_use_for_earlyclobber, mark_reg_use_for_earlyclobber_1):
14405         New functions.
14406         (calculate_local_reg_bb_info): Calculate value of earlyclobber.
14407         (make_accurate_live_analysis): Modify pavin.
14408
14409 2004-07-12  Diego Novillo  <dnovillo@redhat.com>
14410
14411         * tree-cfg.c (find_taken_edge): Statically compute the truth
14412         value of a predicate comparing an SSA_NAME to itself.
14413
14414 2004-07-12  Roger Sayle  <roger@eyesopen.com>
14415
14416         * config/rs6000/rs6000.c (rs6000_rtx_costs): Indicate that the
14417         rs6000 doesn't have shift-and-add or shift-and-sub instructions
14418         by returning the cost of a multiplication plus an addition.
14419
14420 2004-07-12  Paolo Bonzini  <bonzini@gnu.org>
14421
14422         PR tree-optimization/14107
14423         * gimplify.c (gimplify_return_expr): Accept a
14424         RETURN_EXPR with an error argument.
14425         * tree-optimize.c (init_tree_optimization_passes):
14426         Run pass_warn_function_return at -O0.
14427
14428 2004-07-12  Roger Sayle  <roger@eyesopen.com>
14429
14430         * doc/invoke.texi: Correct -fasynchronous-unwind-tables option
14431         index entry.
14432
14433 2004-07-12  Richard Sandiford  <rsandifo@redhat.com>
14434
14435         * config/mips/mips.c (mips_use_dfa_pipeline_interface): Delete.
14436         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
14437         * config/mips/3000.md: Add copyright notice.  Remove automota and
14438         function units; use generic ones instead.  Only define reservations
14439         for things that are different from generic.md.  Extend each clause
14440         to include r3900.
14441         * config/mips/{4000,4100,4300,4600,5000,6000,generic}.md: New files.
14442         * config/mips/mips.md: Include them. Remove define_function_units.
14443         (alu, imuldiv): New automata and units.
14444
14445 2004-07-12  Ben Elliston  <bje@au.ibm.com>
14446
14447         * doc/invoke.texi (Optimize Options): Document -frename-registers
14448         not being enabled by default at -O3.
14449
14450 2004-07-11  Roger Sayle  <roger@eyesopen.com>
14451
14452         * fold-const.c (fold) <PLUS_EXPR>: Canonicalize X + -C as X - C for
14453         floating point additions, to keep real immediate constant positive.
14454         <MINUS_EXPR>:  For floating point subtractions, only transform X - -C
14455         into X + C, and leave positive real constants as X - C.
14456
14457 2004-07-11  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
14458
14459         * pa.c (hppa_gimplify_va_arg_expr): Remove comment.
14460
14461 2004-07-11  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
14462
14463         PR tree-optimization/15654
14464         * tree-tailcall.c (eliminate_tail_call): Remove unreachable code.
14465
14466 2004-07-11  Roger Sayle  <roger@eyesopen.com>
14467
14468         * builtins.c (fold_builtin_fputs): Don't bother converting the
14469         return type to integer_type_node, as we've already checked that
14470         the result will be ignored.
14471
14472         * tree-eh.c (tree_could_trap_p): Add support for -ftrapv such
14473         that signed addition, subtraction, multiplication, division,
14474         remainder, negation and absolute value may potentially trap.
14475
14476         * fold-const.c (fold_ignored_result): New function to strip
14477         non-side-effecting tree nodes from an expression whose result
14478         is ignored.
14479         (fold_convert): Call fold_ignored_result when casting a value
14480         to VOID_TYPE.
14481         (omit_one_operand):  Call fold_ignored_result on the "omitted"
14482         operand when building a COMPOUND_EXPR.
14483         (pedantic_omit_one_operand): Likewise.
14484         * tree.h (fold_ignored_result): Prototype here.
14485         * tree-ssa-ccp.c (ccp_fold_builtin): Call fold_ignored_result
14486         when we're going to ignore the result.
14487
14488 2004-07-11  Richard Henderson  <rth@redhat.com>
14489
14490         PR tree-opt/16383
14491         * tree-ssa-ccp.c (fold_stmt_r): Split out...
14492         * tree.c (fields_compatible_p, find_compatible_field): ... new.
14493         * tree.h (fields_compatible_p, find_compatible_field): Declare.
14494         * tree-sra.c (sra_hash_tree): Hash fields by offset.
14495         (sra_elt_eq): Use fields_compatible_p.
14496         (generate_one_element_ref): Use find_compatible_field.
14497
14498 2004-07-11  Richard Henderson  <rth@redhat.com>
14499
14500         PR tree-opt/16422
14501         * tree-sra.c (generate_one_element_init): New.
14502         (generate_element_init): Use it.
14503         (scalarize_init): Push/pop gimplify context around it.
14504         (find_new_referenced_vars_1, find_new_referenced_vars): New.
14505         * gimplify.c (gimplify_expr): Allow SSA_NAME.
14506
14507 2004-07-11  Roger Sayle  <roger@eyesopen.com>
14508
14509         * rtlanal.c (insn_rtx_cost): New function, moved and renamed from
14510         combine.c's combine_insn_cost.
14511         * rtl.h (insn_rtx_cost): Prototype here.
14512         * combine.c (combine_insn_cost): Delete function.
14513         (combine_validate_cost): Update callers of combine_insn_cost to
14514         call insn_rtx_cost instead.
14515         (combine_instructions): Likewise.  Use NONJUMP_INSN_P to avoid
14516         requesting the rtx_cost of call and/or jump instructions.
14517
14518         * ifcvt.c (total_bb_rtx_cost): Use insn_rtx_cost instead of calling
14519         rtx_cost directly.  Don't request/use the cost of call or jump
14520         instructions.  Return -1 if the cost of any instruction can't be
14521         determined (or the BB contains a function call).
14522         (find_if_case_1): Abort transformation if total_bb_rtx_cost returns
14523         -1 (i.e. can't determine the cost of any instruction or the basic
14524         block contains a subroutine call).
14525         (find_if_case_2): Likewise.
14526
14527 2004-07-11  Roger Sayle  <roger@eyesopen.com>
14528
14529         * rs6000.c (struct processor_costs): Change semantics of fields to
14530         include the COST_N_INSNS scaling, and update all initializers.
14531         (rs6000_rtx_costs): Don't use COSTS_N_INSNS on rs6000_cost fields.
14532         Use COSTS_N_INSNS(1) for NOT, SIGN_EXTEND, ZERO_EXTEND and COMPARE.
14533         Use rs6000_cost->fp for both FLOAT_TRUNCATE and UNSPEC_FRSP.  When
14534         optimizing for size, use COSTS_N_INSNS(1) for CALL and IF_THEN_ELSE.
14535
14536 2004-07-11  Joseph S. Myers  <jsm@polyomino.org.uk>
14537
14538         * LANGUAGES: Remove obsolete information.
14539
14540 2004-07-11  Ulrich Weigand  <uweigand@de.ibm.com>
14541
14542         * config/s390/linux.h (MD_FALLBACK_FRAME_STATE_FOR): For SIGSEGV and
14543         SIGBUS signal frames, the PSW address points *to* the faulting
14544         instruction, not after it.
14545
14546 2004-07-11  Ulrich Weigand  <uweigand@de.ibm.com>
14547
14548         * config/s390/s390.c (legitimize_tls_address): Handle constant offsets
14549         added to TLS symbol addresses.
14550
14551 2004-07-11  Richard Henderson  <rth@redhat.com>
14552
14553         * expmed.c (init_expmed): Use stack-local structures for
14554         temporary rtl.  Don't recognize shifts.
14555
14556 2004-07-11  Richard Henderson  <rth@redhat.com>
14557
14558         * expr.c (store_expr): Don't fiddle subreg promotion for types
14559         with precision smaller than the mode.
14560
14561 2004-07-11  Joseph S. Myers  <jsm@polyomino.org.uk>
14562
14563         * tree.h (all_types_permanent): Remove.
14564
14565 2004-07-11  Joseph S. Myers  <jsm@polyomino.org.uk>
14566
14567         * langhooks.h (estimate_num_insns, pushlevel, poplevel, set_block,
14568         maybe_build_cleanup, update_decl_after_saving): Remove hooks.
14569         * langhooks.c (lhd_clear_binding_stack): Remove.
14570         * langhooks-def.h (lhd_clear_binding_stack,
14571         LANG_HOOKS_MAYBE_BUILD_CLEANUP,
14572         LANG_HOOKS_UPDATE_DECL_AFTER_SAVING,
14573         LANG_HOOKS_TREE_INLINING_ESTIMATE_NUM_INSNS, LANG_HOOKS_PUSHLEVEL,
14574         LANG_HOOKS_POPLEVEL, LANG_HOOKS_SET_BLOCK): Remove.
14575         (LANG_HOOKS_CLEAR_BINDING_STACK): Define to lhd_do_nothing.
14576         * system.h (LANG_HOOKS_TREE_INLINING_ESTIMATE_NUM_INSNS,
14577         LANG_HOOKS_PUSHLEVEL, LANG_HOOKS_SET_BLOCK,
14578         LANG_HOOKS_MAYBE_BUILD_CLEANUP,
14579         LANG_HOOKS_UPDATE_DECL_AFTER_SAVING, LANG_HOOKS_POPLEVEL): Poison.
14580         * tree.h (poplevel): Don't declare.
14581         * c-lang.c (LANG_HOOKS_CLEAR_BINDING_STACK, LANG_HOOKS_PUSHLEVEL,
14582         LANG_HOOKS_POPLEVEL, LANG_HOOKS_SET_BLOCK): Remove.
14583         * objc/objc-lang.c (LANG_HOOKS_CLEAR_BINDING_STACK,
14584         LANG_HOOKS_PUSHLEVEL, LANG_HOOKS_POPLEVEL, LANG_HOOKS_SET_BLOCK):
14585         Remove.
14586
14587 2004-07-11  Joseph S. Myers  <jsm@polyomino.org.uk>
14588
14589         PR tree-optimization/16437
14590         * c-common.c (shorten_compare): Don't mark result of conversion to
14591         narrower signed type as overflowing.
14592         * fold-const.c (decode_field_reference): Determine whether
14593         signedness comes from outer type using precision rather than size.
14594
14595 2004-07-11  Phil Edwards  <phil@codesourcery.com>
14596
14597         * configure.ac:  Alphabetize --enable-checking list, add
14598         missing valgrind entry.
14599         * configure:  Regenerate.
14600
14601 2004-07-11  Phil Edwards  <phil@codesourcery.com>
14602
14603         * doc/install.texi (Testing):  Fix syntax in "make check" example.
14604
14605 2004-07-10  James E Wilson  <wilson@specifixinc.com>
14606
14607         * config/gofast.h (gofast_maybe_init_libfuncs): Use SImode for litodp.
14608
14609 2004-07-10  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
14610
14611         PR rtl-optimization/16001
14612         * loop-iv.c (iv_number_of_iterations): Prevent copy propagation in
14613         niter_expr.
14614
14615 2004-07-10  Geoffrey Keating  <geoffk@apple.com>
14616
14617         * config/darwin.h (LINK_COMMAND_SPEC): Don't call c++filt.
14618
14619 2004-07-10  Steve Kargl  <sgk@troutmask.apl.washington.edu>
14620             James Morrison  <phython@gcc.gnu.org>
14621
14622         * doc/contrib.texi (Contributors): Add gfortran contributors and
14623         fix a couple of typos.
14624
14625 2004-07-10  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
14626
14627         PR rtl-optimization/15387
14628         * calls.c (check_sibcall_argument_overlap_1): Handle pointers
14629         to incoming args space correctly.
14630
14631 2004-07-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
14632
14633         * pa.c (output_indirect_call): Only use %r2 as the link register in
14634         indirect calls with the long PA 2.0 pc-relative branch.
14635
14636 2004-07-10  Daniel Jacobowitz  <dan@debian.org>
14637
14638         * config/i386/i386.c (override_options): Pick a 64-bit CPU
14639         for the default tuning if TARGET_64BIT.
14640
14641 2004-07-10  Richard Henderson  <rth@redhat.com>
14642
14643         * builtins.c (std_gimplify_va_arg_expr): Widen align/boundary
14644         to HOST_WIDE_INT.  Fold pad-args-down arithmetic.
14645
14646 2004-07-10  Jakub Jelinek  <jakub@redhat.com>
14647
14648         * expr.h (store_bit_field, extract_bit_field): Remove last argument.
14649         * expmed.c (store_bit_field, extract_bit_field): Remove last
14650         argument.
14651         * builtins.c (expand_builtin_signbit): Adjust callers.
14652         * optabs.c (expand_vector_binop, expand_vector_unop): Likewise.
14653         * calls.c (store_unaligned_arguments_into_pseudos): Likewise.
14654         * ifcvt.c (noce_emit_move_insn): Likewise.
14655         * stmt.c (expand_return): Likewise.
14656         * expr.c (emit_group_load, emit_group_store, copy_blkmode_from_reg,
14657         store_field, expand_expr_real_1): Likewise.
14658
14659 2004-07-10  Richard Henderson  <rth@redhat.com>
14660
14661         * builtins.c (std_gimplify_va_arg_expr): Fix borked BIT_AND_EXPR.
14662
14663 2004-07-09  Mike Stump  <mrs@apple.com>
14664
14665         * config/darwin.c (no_dead_strip): Add.
14666         (HAVE_DEAD_STRIP): Add.
14667         (darwin_emit_unwind_label): Ensure that we don't dead code strip
14668         the .eh label.
14669
14670 2004-07-09  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
14671
14672         * tree-ssa-loop-im.c: New file.
14673         * Makefile.in (tree-ssa-loop-im.o): Add.
14674         * cfgloop.c (superloop_at_depth): New function.
14675         * cfgloop.h (superloop_at_depth): Declare.
14676         * common.opt (ftree-lim): New flag.
14677         * expr.c (array_ref_up_bound): New function.
14678         * params.def (PARAM_LIM_EXPENSIVE): New parameter.
14679         * timevar.def (TV_LIM): New timevar.
14680         * tree-dfa.c (compute_immediate_uses): Respect TDFA_USE flags when
14681         computing immediate uses of a phi node.
14682         * tree-flow.h (struct tree_ann_common_d): Add aux field.
14683         (loop_commit_inserts, for_each_index, tree_ssa_lim): Declare.
14684         * tree-optimize.c (init_tree_optimization_passes): Add pass_lim.
14685         * tree-pass.h (pass_lim): Declare.
14686         * tree-ssa-loop.c (tree_ssa_loop_im, gate_tree_ssa_loop_im): New
14687         functions.
14688         (pass_lim): New pass structure.
14689         * tree-eh.c (tree_could_trap_p): Handle ARRAY_REFs correctly.
14690         * tree.c (in_array_bounds_p): New function.
14691         * tree.h (TREE_THIS_NOTRAP): Define also for ARRAY_REFs.
14692         (in_array_bounds_p, array_ref_up_bound): Declare.
14693         * doc/invoke.texi (-ftree-lim, --param lim-expensive): Document.
14694         * doc/passes.texi (tree-ssa-loop-im.c): Document.
14695
14696 2004-07-09  Richard Henderson  <rth@redhat.com>
14697
14698         * builtins.c (expand_builtin_stpcpy): Don't modify len.
14699
14700         * tree-ssa-ccp.c (ccp_fold_builtin): Strip conversion exprs
14701         with prejudice.
14702
14703 2004-07-10  Kelley Cook  <kcook@gcc.gnu.org>
14704
14705         * flags.h: Delete redundant prototypes that are being generated
14706         in options.h from common.opt.
14707         * common.opt: Add in the expository comments formerly in flags.h.
14708
14709 2004-07-09  Jan Beulich  <jbeulich@novell.com>
14710
14711         * config/i386/i386.c (init_cumulative_args): Set mmx/sse registers
14712         available for use only when TARGET_MMX/_SSE is set, and check for
14713         variable argument function if any register count is non-zero.
14714         (function_arg): Correctly suppress repeated warnings for passing SSE
14715         vectors are arguments without SSE enabled.
14716         (ix86_function_arg_boundary): Without SSE enabled, the use of what
14717         would be SSE register modes does no longer influence the alignment.
14718
14719 2004-07-09  Richard Henderson  <rth@redhat.com>
14720
14721         * builtins.c (std_gimplify_va_arg_expr): Deny ARGS_GROW_DOWNWARD.
14722         Always align upward to arg boundary.  Use size_in_bytes/round_up.
14723         Maintain type-correctness of constants.
14724         * stor-layout.c (round_up, round_down): Special-case powers of 2.
14725
14726 2004-07-09  David S. Miller  <davem@nuts.davemloft.net>
14727
14728         * config/sparc/sparc.c (*_costs): Scale instruction costs
14729         by COSTS_N_INSNS.
14730         (sparc_rtx_costs): Adjust as appropriate.
14731
14732 2004-07-09  Jan Beulich  <jbeulich@novell.com>
14733
14734         * config/i386/mm3dnow.h: New.
14735         * config.gcc: Add mm3dnow.h to extra_headers for i?86 and x86-64.
14736
14737 2004-07-09  Richard Henderson  <rth@redhat.com>
14738
14739         * simplify-rtx.c (simplify_const_relational_operation): Only
14740         look at bounds of scalar integers.
14741
14742 2004-07-09  Jan Beulich  <jbeulich@novell.com>
14743
14744         * config/i386/i386.md (sse2_clflush): Use correct operand for clflush.
14745
14746 2004-07-09  Andrew Pinski  <apinski@apple.com>
14747
14748         * objc/objc-act.c (build_module_descriptor): Mark UOBJC_MODULES_decl as
14749         always referenced.
14750         (synth_forward_declarations): Likewise for UOBJC_CLASS_decl and
14751         UOBJC_METACLASS_decl.
14752
14753 2004-07-09  James E Wilson  <wilson@specifixinc.com>
14754
14755         PR target/16364
14756         * config/ia64/ia64.c (ia64_function_arg): For a single element HFA,
14757         do return a parallel if hfa_mode == XFmode and mode == TImode.
14758
14759 2004-07-09  Jan Beulich  <jbeulich@novell.com>
14760
14761         * c-typeck.c (build_unary_op): include VECTOR_TYPE in set of codes
14762         permissible for unary plus.
14763
14764 2004-07-09  Jan Beulich  <jbeulich@novell.com>
14765
14766         * builtin-types.def (BT_UINT): Rename from BT_UNSIGNED.
14767         (BT_FN_UINT): Rename from BT_FN_UNSIGNED.
14768         (BT_FN_PTR_UINT): Rename from BT_FN_PTR_UNSIGNED.
14769         (BT_ULONG, BT_ULONGLONG, BT_UINTMAX, BT_FN_INT_UINT, BT_FN_INT_ULONG,
14770         BT_FN_INT_ULONGLONG, BT_FN_INT_INTMAX, BT_FN_INT_UINTMAX): New.
14771         * builtins.def (BUILTIN_CLZxxx, BUILTIN_CTXxxx, BUILTIN_PARITYxxx,
14772         BUILTIN_POPCOUNTxxx): Arguments are unsigned.
14773         (BUILTIN_xxxIMAX): New.
14774         * builtins.c (expand_builtin): Handle BUILT_IN_FFSIMAX,
14775         BUILT_IN_CLZIMAX, BUILT_IN_CTZIMAX, BUILT_IN_POPCOUNIMAX, and
14776         BUILT_IN_PARITYIMAX.
14777
14778 2004-07-09  David S. Miller  <davem@nuts.davemloft.net>
14779
14780         * config/sparc/sparc.h (processor_costs): Define.
14781         (sparc_costs): Declare.
14782         * config/sparc/sparc.c (cypress_costs, supersparc_costs,
14783         hypersparc_costs, sparclet_costs, ultrasparc_costs,
14784         ultrasparc3_costs): New.
14785         (sparc_override_options): Set sparc_costs as appropriate.
14786         (sparc_rtx_costs): Use sparc_costs instead of messy
14787         conditionals.
14788
14789 2004-07-09  Steven Bosscher  <stevenb@suse.de>
14790
14791         * doc/md.texi (Processor pipeline description): Mention that
14792         the old pipeline description is deprecated.
14793
14794         * config/rs6000/7450.md (automaton ppc7450): Split up, move
14795         mciu_7450 function unit to...
14796         (automaton ppc7450mciu): ...new automaton.
14797
14798         * haifa-sched.c (insert_schedule_bubbles_p): Remove.
14799         (schedule_block): Don't consider inserting bubbles.
14800         (sched_init): Don't initialize DFA bubbles.
14801         * target-def.h (TARGET_SCHED_INIT_DFA_BUBBLES,
14802         TARGET_SCHED_DFA_BUBBLE): Remove.
14803         * target.h (init_dfa_bubbles, dfa_bubble): Remove hooks.
14804         * doc/tm.texi (TARGET_SCHED_INIT_DFA_BUBBLES,
14805         TARGET_SCHED_DFA_BUBBLE): Remove documentation.
14806
14807         * stmt.c (conditional_context): Remove prototype.
14808         * tree.h (conditional_context): Remove.
14809         * tree-cfg.c (pre_insert_on_edge): Remove.
14810
14811         * c-common.h (c_expand_asm_operands): Remove prototype.
14812         * c-typeck.c (c_expand_asm_operands): Remove.
14813
14814 2004-07-09  Jan Beulich  <jbeulich@novell.com>
14815
14816         * config/i386/i386.c (classify_argument): Treat V1xx modes the same as
14817         their base modes. CTImode, TCmode, and XCmode must be passed in memory.
14818         TFmode (__float128) must be is an SSE/SSEUP pair. V2SImode, V4HImode,
14819         and V8QI are class SSE. All sufficiently small remaining vector modes
14820         must be passed in one or two integer registers.
14821         (ix86_libcall_value): TFmode must be returned in xmm0, XCmode must be
14822         returned in memory.
14823         (bdesc_2arg, ix86_init_mmx_sse_builtins): __builtin_ia32_pmuludq and
14824         __builtin_ia32_pmuludq128 have non-uniform argument and return types
14825         and must thus be handled explicitly.
14826         * config/i386/i386.md (*movdi_1_rex64): Add cases for moving between
14827         MMX and XMM regs.
14828         (movv8qi_internal, movv4hi_internal, movv2si_internal,
14829         movv2sf_internal): Permit moving between MMX and XMM registers (since
14830         MMX areguments and return values are passed in XMM registers).
14831         (sse2_umulsidi3): Correct type and mode.
14832
14833 2004-07-09  Richard Henderson  <rth@redhat.com>
14834
14835         * tree-cfg.c (dump_cfg_stats): Fix 64-bit format mismatch errors.
14836
14837 2004-07-09  Eric Christopher  <echristo@redhat.com>
14838
14839         * config/rs6000/40x.md: Split into two automatons.
14840
14841 2004-07-09  Zack Weinberg  <zack@codesourcery.com>
14842             Andrew Pinski  <apinski@apple.com>
14843
14844         * c-opts.c (c_common_post_options): Force unit-at-a-time mode
14845         on when we have more than one input file.
14846         (c_common_parse_file): Restore loop over all input files.
14847         Clarify diagnostic for -dy when YYDEBUG wasn't defined.
14848
14849         * c-decl.c (set_type_context): New function.
14850         (pop_scope): Use it to set context of types.  When we
14851         encounter a TYPE_DECL, set the context of the attached type too.
14852         (pop_file_scope): Don't call cpp_undef_all here.
14853         (diagnose_mismatched_decls): Do not complain about a second
14854         definition of an 'extern inline' function if it's not in the
14855         same translation unit.  Do not complain about inline
14856         declaration after use if the use was in a different
14857         translation unit.
14858         (merge_decls): Don't clobber olddecl's DECL_CONTEXT.
14859         (pushdecl): Do not put DECL_EXTERNAL, !TREE_PUBLIC decls in
14860         the external scope.
14861         (pushdecl_top_level): Likewise.
14862         (grokdeclarator): Clarify what is going on with setting
14863         DECL_EXTERNAL on function types, a little.
14864         (c_write_global_declarations): Don't do anything if
14865         -fsyntax-only or errors have been encountered.
14866
14867 2004-07-09  Zack Weinberg  <zack@codesourcery.com>
14868
14869         * vec.c, vec.h (vec_assert_fail): Use unsigned int for LINE argument.
14870
14871 2004-07-09  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
14872
14873         PR target/16459
14874         * pa.c (output_indirect_call): Use %r2 as the link register when
14875         calling $$dyncall with a pc-relative branch.
14876
14877 2004-07-08  Gerald Pfeifer  <gerald@pfeifer.com>
14878
14879         * doc/install.texi (Binaries): Mention OpenPKG.
14880
14881 2004-07-09  Diego Novillo  <dnovillo@redhat.com>
14882
14883         Fix PR tree-optimization/15555
14884         * tree-dfa.c (dump_variable): If the variable is a pointer
14885         SSA_NAME, also dump its points-to information.
14886         * tree-flow.h (struct ptr_info_def): Add field
14887         is_dereferenced.
14888         (dump_points_to_info_for): Declare.
14889         (debug_points_to_info_for): Declare.
14890         * tree-optimize.c (init_tree_optimization_passes): Add a
14891         second alias analysis pass after DOM2.
14892         Move pass_del_pta to a later spot.
14893         * tree-ssa-alias.c (compute_points_to_and_addr_escape): Do not
14894         create a name tags when we find a dereferenced pointer.  Just
14895         mark the pointer dereferenced.
14896         (collect_points_to_info_for): Move code to clear points-to
14897         information to create_name_tags.
14898         (create_name_tags): New function.
14899         (compute_flow_sensitive_aliasing): Call it.
14900         (setup_pointers_and_addressables): Mark type tags for renaming
14901         here instead of ...
14902         (create_memory_tag): ... here.
14903         (merge_pointed_to_info): Do not merge PT_MALLOC attributes.
14904         (dump_points_to_info_for): Declare extern.
14905         (debug_points_to_info_for): New function.
14906
14907 2004-07-09  Paolo Bonzini  <bonzini@gnu.org>
14908
14909         * config/arc/arc.md: Switch to DFA-based scheduler description.
14910         * config/arc/arc.c: Switch to DFA-based scheduler description.
14911
14912 2004-07-09  Richard Earnshaw  <rearnsha@arm.com>
14913
14914         * arm/unknown-elf.h (TARGET_DEFAULT): Don't require an APCS frame
14915         pointer.
14916
14917 2004-07-09  Richard Henderson  <rth@redhat.com>
14918
14919         * config/xtensa/xtensa-protos.h (xtensa_va_arg): Remove.
14920         * config/xtensa/xtensa.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
14921         (xtensa_gimplify_va_arg_expr): Rewrite from xtensa_va_arg.
14922         * config/xtensa/xtensa.h (EXPAND_BUILTIN_VA_ARG): Remove.
14923
14924         * config/v850/v850-protos.h (v850_va_arg): Remove.
14925         * config/v850/v850.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
14926         (v850_gimplify_va_arg_expr): Rewrite from v850_va_arg.
14927         * config/v850/v850.h (EXPAND_BUILTIN_VA_ARG): Remove.
14928         (FUNCTION_ARG_PASS_BY_REFERENCE): Handle variable size types.
14929         (FUNCTION_ARG_CALLEE_COPIES): Use FUNCTION_ARG_PASS_BY_REFERENCE.
14930
14931 2004-07-09  Richard Earnshaw  <rearnsha@arm.com>
14932
14933         PR target/12133
14934         * arm.c (arm_legitimate_index_p) Allow DFmode for soft-float
14935         and DImode to use +/-4k offset.
14936
14937 2004-07-09  Richard Henderson  <rth@redhat.com>
14938
14939         * config/stormy16/stormy16-protos.h (xstormy16_expand_builtin_va_arg):
14940         Remove.
14941         * config/stormy16/stormy16.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
14942         (xstormy16_gimplify_va_arg_expr): Rewrite from
14943         xstormy16_expand_builtin_va_arg.
14944         * config/stormy16/stormy16.h (EXPAND_BUILTIN_VA_ARG): Remove.
14945
14946         * config/sparc/sparc-protos.h (sparc_va_arg): Remove.
14947         * config/sparc/sparc.c (sparc_gimplify_va_arg): Mark static.
14948
14949         * config/sh/sh-protos.h (sh_va_arg): Remove.
14950         * config/sh/sh.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
14951         (sh_gimplify_va_arg_expr): Rewrite from sh_va_arg.
14952         * config/sh/sh.h (EXPAND_BUILTIN_VA_ARG): Remove.
14953
14954         * config/pa/pa-protos.h (hppa_va_arg): Remove.
14955         * config/pa/pa.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
14956         (hppa_gimplify_va_arg_expr): Rewrite from hppa_va_arg.
14957         * config/pa/pa.h (EXPAND_BUILTIN_VA_ARG): Remove.
14958
14959         * config/mn10300/mn10300-protos.h (mn10300_va_arg): Remove.
14960         * config/mn10300/mn10300.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
14961         (mn10300_gimplify_va_arg_expr): Rewrite from mn10300_va_arg.
14962         * config/mn10300/mn10300.h (EXPAND_BUILTIN_VA_ARG): Remove.
14963
14964 2004-07-09  Eric Botcazou  <ebotcazou@libertysurf.fr>
14965
14966         * config/sparc/sparc.md (return): Rewrite length formula.
14967         * config/sparc/sparc.c (output_return): Pass 1 as 5th
14968         argument to final_scan_insn when in a delay slot.
14969         (output_sibcall): Likewise.
14970
14971 2004-07-09  Richard Earnshaw  <rearnsha@arm.com>
14972
14973         * arm.c (arm_cpp_interwork): New variable.
14974         (arm_override_options): Set it if TARGET_INTERWORK was on the command
14975         line.
14976         * arm.h (arm_cpp_interwork): Declare it.
14977         (TARGET_CPU_CPP_BUILTINS): Use it to control definition of
14978         __THUMB_INTERWORK__ in the preprocessor.
14979
14980 2004-07-09  Nathan Sidwell  <nathan@codesourcery.com>
14981
14982         * vec.h (VEC_T_alloc): Fix MEM_STAT_DECL pasto.
14983
14984 2004-07-09  Eric Botcazou  <ebotcazou@libertysurf.fr>
14985
14986         PR target/16416
14987         * config/sparc/sol2-bi.h (OPTION_DEFAULT_SPECS): New macro.
14988         Override default settings to account for -m32 and -m64.
14989
14990 2004-07-08  Randolph Chung  <tausq@debian.org>
14991
14992         * pa32-linux.h (MD_FALLBACK_FRAME_STATE_FOR): Define.
14993
14994 2004-07-09  Alexandre Oliva  <aoliva@redhat.com>
14995
14996         * builtins.c (fold_builtin_strncpy): Make sure len is a constant
14997         before comparing it as such.
14998
14999 2004-07-08  Richard Henderson  <rth@redhat.com>
15000
15001         * builtins.c (std_gimplify_va_arg_expr): Hoist valist into a
15002         temporary.  Use bit arithmetic to align.
15003
15004 2004-07-08  Jerry Quinn  <jlquinn@optonline.net>
15005
15006         * alias.c (nonlocal_mentioned_p, nonlocal_referenced_p,
15007         nonlocal_set_p, init_alias_analysis): Use, LABEL_P, JUMP_P, CALL_P,
15008         NONJUMP_INSN_P, INSN_P, NOTE_P, BARRIER_P.
15009         * bb-reorder.c (mark_bb_for_unlikely_executed_section,
15010         add_labels_and_missing_jumps, find_jump_block,
15011         fix_crossing_unconditional_branches, add_reg_crossing_jump_notes):
15012         Likewise.
15013         * bt-load.c (btr_referenced_p, compute_defs_uses_and_gen,
15014         link_btr_uses, move_btr_def): Likewise.
15015         * builtins.c (expand_builtin_longjmp, expand_builtin_nonlocal_goto,
15016         expand_builtin_expect_jump): Likewise.
15017         * caller-save.c (save_call_clobbered_regs, insert_one_insn): Likewise.
15018         * calls.c (expand_call, emit_library_call_value_1): Likewise.
15019         * cfganal.c (forwarder_block_p): Likewise.
15020         * cfgbuild.c (inside_basic_block_p, count_basic_blocks,
15021         make_label_edge, rtl_make_eh_edge, make_edges, find_basic_blocks_1,
15022         find_bb_boundaries): Likewise.
15023         * cfgcleanup.c (try_simplify_condjump, try_forward_edges,
15024         merge_blocks_move_predecessor_nojumps,
15025         merge_blocks_move_successor_nojumps, insns_match_p,
15026         flow_find_cross_jump, outgoing_edges_match, try_crossjump_to_edge,
15027         try_optimize_cfg): Likewise.
15028         * cfgexpand.c (expand_block, construct_exit_block): Likewise.
15029         * cfglayout.c (skip_insns_after_block, label_for_bb,
15030         record_effective_endpoints, insn_locators_initialize,
15031         fixup_reorder_chain, update_unlikely_executed_notes): Likewise.
15032         * cfgmainloop.c (create_loop_notes): Likewise.
15033         * cfgrtl.c (delete_insn, delete_insn_chain,
15034         create_basic_block_structure, rtl_delete_block, free_bb_for_insn,
15035         update_bb_for_insn, rtl_merge_blocks, rtl_can_merge_blocks,
15036         block_label, try_redirect_by_replacing_jump, last_loop_beg_note,
15037         redirect_branch_edge, force_nonfallthru_and_redirect,
15038         rtl_tidy_fallthru_edge, back_edge_of_syntactic_loop_p,
15039         rtl_split_edge, commit_one_edge_insertion, print_rtl_with_bb,
15040         update_br_prob_note, rtl_verify_flow_info_1, rtl_verify_flow_info,
15041         purge_dead_edges, cfg_layout_redirect_edge_and_branch,
15042         cfg_layout_delete_block, cfg_layout_can_merge_blocks_p,
15043         cfg_layout_merge_blocks, rtl_block_ends_with_call_p,
15044         need_fake_edge_p, rtl_flow_call_edges_add): Likewise.
15045         * combine.c (combine_instructions, can_combine_p, try_combine,
15046         find_split_point, record_dead_and_set_regs, reg_dead_at_p,
15047         distribute_notes, distribute_links, insn_cuid): Likewise.
15048         * cse.c (fold_rtx, cse_insn, cse_around_loop,
15049         invalidate_skipped_block, cse_set_around_loop,
15050         cse_end_of_basic_block, cse_main, cse_basic_block,
15051         cse_condition_code_reg): Likewise.
15052         * cselib.c (cselib_process_insn): Likewise.
15053         * ddg.c (create_ddg): Likewise.
15054         * df.c (df_insn_refs_record, df_bb_rd_local_compute, df_insns_modify):
15055         Likewise.
15056         * dwarf2out.c (dwarf2out_stack_adjust, dwarf2out_frame_debug,
15057         gen_label_die, dwarf2out_var_location): Likewise.
15058         * emit-rtl.c (get_first_nonnote_insn, get_last_nonnote_insn,
15059         next_insn, previous_insn, next_nonnote_insn, prev_nonnote_insn,
15060         last_call_insn, active_insn_p, next_label, prev_label,
15061         link_cc0_insns, next_cc0_user, try_split, add_insn_after,
15062         add_insn_before, remove_insn, add_function_usage_to,
15063         reorder_insns, find_line_note, remove_unnecessary_notes,
15064         emit_insn_after_1, classify_insn): Likewise.
15065         * except.c (convert_from_eh_region_ranges_1, emit_to_new_bb_before,
15066         connect_post_landing_pads, sjlj_mark_call_sites,
15067         sjlj_emit_function_enter, sjlj_emit_function_exit, reachable_handlers,
15068         can_throw_internal, can_throw_external, set_nothrow_function_flags,
15069         convert_to_eh_region_ranges): Likewise.
15070         * explow.c (optimize_save_area_alloca): Likewise.
15071         * expr.c (expand_expr_real): Likewise.
15072         * final.c (insn_current_reference_address, compute_alignments,
15073         shorten_branches, final, scan_ahead_for_unlikely_executed_note,
15074         final_scan_insn, output_asm_label, leaf_function_p): Likewise.
15075         * flow.c (first_insn_after_basic_block_note, delete_dead_jumptables,
15076         propagate_block_delete_insn, propagate_one_insn,
15077         init_propagate_block_info, propagate_block, libcall_dead_p,
15078         mark_set_1, attempt_auto_inc, find_auto_inc, try_pre_increment):
15079         Likewise.
15080         * function.c (instantiate_virtual_regs, reorder_blocks_1,
15081         expand_function_start, expand_function_end, contains,
15082         thread_prologue_and_epilogue_insns,
15083         reposition_prologue_and_epilogue_notes): Likewise.
15084         * gcse.c (constprop_register, bypass_conditional_jumps,
15085         insert_insn_end_bb, gcse_after_reload): Likewise.
15086         * genemit.c (gen_expand, gen_split): Likewise.
15087         * genpeep.c (gen_peephole, main): Likewise.
15088         * global.c (build_insn_chain): Likewise.
15089         * graph.c (node_data, print_rtl_graph_with_bb): Likewise.
15090         * haifa-sched.c (unlink_other_notes, unlink_line_notes,
15091         get_block_head_tail, no_real_insns_p, rm_line_notes, save_line_notes,
15092         restore_line_notes, rm_redundant_line_notes, rm_other_notes,
15093         ok_for_early_queue_removal, set_priorities, sched_init): Likewise.
15094         * ifcvt.c (count_bb_insns, first_active_insn, last_active_insn,
15095         cond_exec_process_insns, end_ifcvt_sequence, noce_process_if_block,
15096         merge_if_block, block_jumps_and_fallthru_p, find_if_block,
15097         dead_or_predicable): Likewise.
15098         * integrate.c (try_constants): Likewise.
15099         * jump.c (rebuild_jump_labels, cleanup_barriers,
15100         purge_line_number_notes, init_label_info, mark_all_labels,
15101         squeeze_notes, get_label_before, get_label_after,
15102         reversed_comparison_code_parts, simplejump_p, pc_set,
15103         returnjump_p, onlyjump_p, follow_jumps, mark_jump_label,
15104         delete_barrier, delete_prior_computation, delete_computation,
15105         delete_related_insns, delete_for_peephole, redirect_jump):
15106         Likewise.
15107         * lcm.c (optimize_mode_switching): Likewise.
15108         * local-alloc.c (validate_equiv_mem, update_equiv_regs, block_alloc):
15109         Likewise.
15110         * loop-doloop.c (doloop_valid_p, doloop_optimize): Likewise.
15111         * loop-invariant.c (find_exits, find_invariants_bb): Likewise.
15112         * loop-iv.c (simplify_using_assignment): Likewise.
15113         * loop.c (compute_luids, loop_optimize, scan_loop, libcall_other_reg,
15114         libcall_benefit, skip_consec_insns, move_movables, prescan_loop,
15115         find_and_verify_loops, labels_in_range_p, for_each_insn_in_loop,
15116         loop_bivs_init_find, strength_reduce, check_insn_for_bivs,
15117         check_insn_for_givs, check_final_value, update_giv_derive,
15118         basic_induction_var, product_cheap_p, check_dbra_loop,
15119         loop_insn_first_p, last_use_this_basic_block,
15120         canonicalize_condition, get_condition, loop_regs_scan, load_mems,
15121         try_copy_prop, LOOP_BLOCK_NUM, loop_dump_aux): Likewise.
15122         * modulo-sched.c (doloop_register_get, find_line_note, sms_schedule,
15123         sms_schedule_by_order): Likewise.
15124         * optabs.c (emit_no_conflict_block, emit_libcall_block): Likewise.
15125         * postreload.c (reload_cse_simplify_operands, reload_combine,
15126         reload_cse_move2add): Likewise.
15127         * predict.c (can_predict_insn_p, estimate_probability,
15128         expected_value_to_br_prob, process_note_predictions): Likewise.
15129         * print-rtl.c (print_rtx, print_rtl, print_rtl_single): Likewise.
15130         * profile.c (branch_prob): Likewise.
15131         * ra-build.c (live_out_1, livethrough_conflicts_bb,
15132         detect_webs_set_in_cond_jump): Likewise.
15133         * ra-debug.c (ra_print_rtx_object, ra_debug_insns,
15134         ra_print_rtl_with_bb): Likewise.
15135         * ra-rewrite.c (insert_stores, rewrite_program2): Likewise.
15136         * recog.c (next_insn_tests_no_inequality, find_single_use,
15137         split_all_insns, peephole2_optimize, if_test_bypass_p): Likewise.
15138         * reg-stack.c (next_flags_user, record_label_references,
15139         emit_swap_insn, swap_rtx_condition, subst_stack_regs,
15140         compensate_edge, convert_regs_1): Likewise.
15141         * regclass.c (scan_one_insn): Likewise.
15142         * regmove.c (optimize_reg_copy_1, optimize_reg_copy_2, fixup_match_2,
15143         regmove_optimize, fixup_match_1, single_set_for_csa,
15144         combine_stack_adjustments_for_block): Likewise.
15145         * regrename.c (build_def_use, copyprop_hardreg_forward_1): Likewise.
15146         * reload.c (find_reloads, find_reloads_address_1, subst_reloads,
15147         find_equiv_reg): Likewise.
15148         * reload1.c (reload, calculate_needs_all_insns, set_label_offsets,
15149         reload_as_needed, emit_input_reload_insns, do_output_reload,
15150         delete_output_reload, delete_address_reloads_1, fixup_abnormal_edges):
15151         Likewise.
15152         * reorg.c (find_end_label, emit_delay_sequence,
15153         delete_from_delay_slot, delete_scheduled_jump, optimize_skip,
15154         get_jump_flags, rare_destination, mostly_true_jump,
15155         try_merge_delay_insns, redundant_insn, own_thread_p,
15156         fill_simple_delay_slots, fill_slots_from_thread,
15157         fill_eager_delay_slots, relax_delay_slots, make_return_insns,
15158         dbr_schedule): Likewise.
15159         * resource.c (find_basic_block, next_insn_no_annul,
15160         find_dead_or_set_registers, mark_target_live_regs): Likewise.
15161         * rtl.h (RTX_PREV): Likewise.
15162         * rtlanal.c (global_reg_mentioned_p, no_labels_between_p,
15163         no_jumps_between_p, reg_used_between_p, reg_referenced_between_p,
15164         reg_set_p, find_last_value, dead_or_set_regno_p, find_reg_fusage,
15165         find_regno_fusage, pure_call_p, replace_label, rtx_referenced_p_1,
15166         tablejump_p, computed_jump_p, insns_safe_to_move_p,
15167         find_first_parameter_load, can_hoist_insn_p): Likewise.
15168         * sched-deps.c (get_condition, add_dependence, sched_analyze_2,
15169         sched_analyze_insn, sched_analyze, add_forward_dependence): Likewise.
15170         * sched-ebb.c (fix_basic_block_boundaries, add_deps_for_risky_insns,
15171         schedule_ebbs): Likewise.
15172         * sched-rgn.c (is_cfg_nonregular, find_conditional_protection,
15173         is_conditionally_protected, can_schedule_ready_p,
15174         add_branch_dependences, debug_dependencies): Likewise.
15175         * stmt.c (emit_nop, expand_start_case, emit_jump_if_reachable):
15176         Likewise.
15177         * unroll.c (unroll_loop, copy_loop_body, back_branch_in_range_p,
15178         reg_dead_after_loop, loop_find_equiv_value, loop_iterations,
15179         set_dominates_use, ujump_to_loop_cont): Likewise.
15180         * var-tracking.c (prologue_stack_adjust, vt_initialize): Likewise.
15181         * varasm.c (output_constant_pool_1): Likewise.
15182
15183 2004-07-08  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
15184
15185         * tree-scalar-evolution.c: New file.
15186         * tree-scalar-evolution.h: New file.
15187         * tree-ssa-loop-niter.c: New file.
15188         * Makefile.in (SCEV_H): New.
15189         (tree-scalar-evolution.o, tree-ssa-loop-niter.o): Add new files.
15190         * cfgloop.h (struct loop): Add bounds field.
15191         * tree-flow.h (struct tree_niter_desc): New type.
15192         (number_of_iterations_cond, number_of_iterations_exit,
15193         loop_niter_by_eval, find_loop_niter_by_eval,
15194         estimate_numbers_of_iterations, can_count_iv_in_wider_type,
15195         free_numbers_of_iterations_estimates): Declare.
15196         * tree.h (lower_bound_in_type, upper_bound_in_type): Declare.
15197         * params.def (PARAM_MAX_ITERATIONS_TO_TRACK): New parameter.
15198         * doc/invoke.texi (max-iterations-to-track): Document.
15199
15200 2004-07-08  Kaz Kojima  <kkojima@gcc.gnu.org>
15201
15202         * config/sh/sh.c (sh_va_arg): Initinalize lab_over.
15203         * config/sh/sh.h (CONST_OK_FOR_J16): Use parentheses.
15204         (MODE_AFTER): Add cast appropriately.
15205         * config/sh/sh.md (movdi splitter): Likewise.
15206         (casesi_worker_2): Add const qualifier appropriately.
15207         (eh_return): Remove unused variable.
15208         (insv): Initialize v;
15209
15210 2004-07-08  Richard Henderson  <rth@redhat.com>
15211
15212         * config/mmix/mmix-protos.h (mmix_expand_builtin_va_arg): Remove.
15213         * config/mmix/mmix.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
15214         (mmix_gimplify_va_arg_expr): Rewrite from mmix_expand_builtin_va_arg.
15215         * config/mmix/mmix.h (EXPAND_BUILTIN_VA_ARG): Remove.
15216         (FRAME_POINTER_REQUIRED): Use current_function_has_nonlocal_label.
15217
15218         * config/m32r/m32r-protos.h (m32r_va_arg): Remove.
15219         * config/m32r/m32r.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
15220         (m32r_gimplify_va_arg_expr): Rewrite from m32r_va_arg.
15221         * config/m32r/m32r.h (EXPAND_BUILTIN_VA_ARG): Remove.
15222
15223         * config/iq2000/iq2000-protos.h (iq2000_va_arg): Remove.
15224         * config/iq2000/iq2000.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
15225         (iq2000_gimplify_va_arg_expr): Rewrite from iq2000_va_arg.
15226         * config/iq2000/iq2000.h (EXPAND_BUILTIN_VA_ARG): Remove.
15227
15228         * config/frv/frv-protos.h (frv_expand_builtin_va_arg): Remove.
15229         * config/frv/frv.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
15230         (frv_gimplify_va_arg_expr): Rewrite from frv_expand_builtin_va_arg.
15231         * config/frv/frv.h (EXPAND_BUILTIN_VA_ARG): Remove.
15232
15233         * config/i860/i860-protos.h (i860_va_arg): Remove.
15234         * config/i860/i860.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
15235         (i860_gimplify_va_arg_expr): Rewrite from i860_va_arg.
15236         * config/i860/i860.h (EXPAND_BUILTIN_VA_ARG): Remove.
15237
15238 2004-05-31  Aaron W. LaFramboise <aaronraolete36@aaronwl.com>
15239
15240         * system.h: Prototype getpagesize if missing.
15241         * configure.ac: Add getpagesize to gcc_AC_CHECK_DECLS.
15242         * configure: Regenerate.
15243         * config.in: Regenerate.
15244
15245 2004-07-08  Richard Henderson  <rth@redhat.com>
15246
15247         * config/fr30/fr30-protos.h (fr30_va_arg): Remove.
15248         * config/fr30/fr30.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
15249         (fr30_gimplify_va_arg_expr): New.
15250         (fr30_pass_by_reference, fr30_pass_by_value, fr30_va_arg): Remove.
15251         * config/fr30/fr30.h (EXPAND_BUILTIN_VA_ARG): Remove.
15252
15253 2004-07-08  Vladimir Makarov  <vmakarov@redhat.com>
15254
15255         PR target/16414
15256         * config/ia64/ia64.c (ia64_dfa_new_cycle): Fix typo in comparison
15257         of asm_noperands result.
15258
15259 2004-07-08  Richard Henderson  <rth@redhat.com>
15260
15261         * config/cris/cris-protos.h (cris_expand_builtin_va_arg): Remove.
15262         * config/cris/cris.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
15263         (cris_gimplify_va_arg_expr): Rewrite from cris_expand_builtin_va_arg.
15264         * config/cris/cris.h (EXPAND_BUILTIN_VA_ARG): Remove.
15265
15266 2004-07-08  Richard Henderson  <rth@redhat.com>
15267
15268         * builtins.c (ind_gimplify_va_arg_expr): New.
15269         * tree.h (ind_gimplify_va_arg_expr): Declare.
15270         * config/arc/arc.c (arc_gimplify_va_arg_expr): Use it.
15271
15272 2004-07-08  Jan Beulich  <jbeulich@novell.com>
15273
15274         * expmed.c (extract_bit_field): Correct condition to use vec_extract
15275         patterns also on vector elements other than the first one.
15276         * config/i386/i386.md (vec_extractv2df, vec_extractv4sf): Add missing
15277         break statements.
15278
15279 2004-07-08  Geoffrey Keating  <geoffk@apple.com>
15280
15281         * config/rs6000/darwin-ldouble.c: Correct reference
15282         to the Linnainmaa paper.
15283
15284 2004-07-08  Richard Henderson  <rth@redhat.com>
15285
15286         * config/arc/arc-protos.h (arc_va_arg): Remove.
15287         * config/arc/arc.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
15288         (arc_gimplify_va_arg_expr): Rewrite from arc_va_arg.
15289         * config/arc/arc.h (EXPAND_BUILTIN_VA_ARG): Remove.
15290
15291         * config/c4x/c4x-protos.h (c4x_va_arg): Remove.
15292         * config/c4x/c4x.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
15293         (c4x_gimplify_va_arg_expr): Rewrite from c4x_va_arg.
15294         * config/c4x/c4x.h (EXPAND_BUILTIN_VA_ARG): Remove.
15295
15296 2004-07-08  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
15297
15298         * pa.md (prefetch_32, prefetch_64): Simplify constraint checks.
15299
15300 2004-07-08  Zack Weinberg  <zack@codesourcery.com>
15301
15302         * c-decl.c (static_ctors, static_dtors): Make static.
15303         (pop_file_scope): Call c_common_write_pch and
15304         cgraph_finalize_compilation_unit here.
15305         (build_cdtor): Moved here from c-objc-common.c; simplify.
15306         (c_write_global_declarations_1): Clarify comment.
15307         (c_write_global_declarations): Close the external scope before
15308         doing anything else.  Call build_cdtor, cgraph_optimize, and
15309         mudflap_finish_file here.
15310         * c-lang.c (finish_file): Don't call c_objc_common_finish_file.
15311         Clarify comment.
15312         * c-objc-common.c: No need to include cgraph.h.
15313         (build_cdtor): Moved to c-decl.c.
15314         (c_objc_common_finish_file): Delete.
15315         * c-tree.h: Update to match.
15316         * objc/objc-act.c (finish_file): Don't call c_objc_common_finish_file.
15317         (generate_static_references): Set TREE_USED before calling finish_decl.
15318         Eliminate unnecessary dummy declaration.  Call rest_of_decl_compilation
15319         on the static_instances_decl.
15320
15321 2004-07-08  Zack Weinberg  <zack@codesourcery.com>
15322
15323         * c-decl.c (pop_scope): Do not set DECL_CONTEXT on file-scope
15324         decls when there is only one input translation unit.
15325         * langhooks.c (lhd_set_decl_assembler_name): Partially revert
15326         change of 2004-07-05; do not treat declarations with
15327         DECL_CONTEXT a TRANSLATION_UNIT_DECL specially.
15328         * opts.c (cur_in_fname): Delete.
15329         * opts.h: Likewise.
15330         * tree.c: Revert changes of 2004-07-05; no special treatment
15331         for TRANSLATION_UNIT_DECLs.
15332         * Makefile.in (tree.o): Update dependencies.
15333
15334 2004-07-08  Roger Sayle  <roger@eyesopen.com>
15335
15336         * builtins.c (fold_builtin_strcpy): Merge functionality from
15337         simplify_builtin_strcpy.  Add additional len argument.  No longer
15338         static.  Remove function prototype.
15339         (fold_builtin_strncpy): Likewise integrate functionality from
15340         simplify_builtin_strncpy.  Add additional slen argument.  No
15341         longer static.  Remove function prototype.
15342         (simplify_builtin_strcy, simplify_builtin_strncpy): Delete.
15343         (simplify_builtin_fputs): Rename to fold_builtin_fputs.  Change
15344         types of "ignore" and "unlocked" parameters to bool.
15345         (fold_builtin_1):  Add additional ignore argument.  Call renamed
15346         fold_builtin_fputs to simplify GCC "fputs" and "fputs_unlocked"
15347         builtins.  Update arguments to fold_builtin_strncpy and
15348         fold_builtin_strcpy.  Add function prototype.
15349         (fold_builtin): Add additional Boolean ignore argument to pass
15350         to fold_builtin_1.
15351         (simplify_builtin): Call fold_builtin_fputs, fold_builtin_strcpy
15352         and fold_builtin_strncpy instead of simplify_builtin_fputs,
15353         simplify_builtin_strcpy and simplify_builtin_strncpy respectively.
15354
15355         * expr.h (simplify_builtin_fputs, simplify_builtin_strcpy,
15356         simplify_builtin_strncpy): Delete function prototypes.
15357         * tree.h (fold_builtin_fputs, fold_builtin_strcpy,
15358         fold_builtin_strncpy): Add function prototypes here.
15359         (fold_builtin): Update function prototype with new "bool ignore".
15360
15361         * tree-ssa-ccp.c (ccp_fold): Update call to fold_builtin.
15362         (ccp_fold_builtin):  Update call to fold_builtin.  Call
15363         fold_builtin_fputs, fold_builtin_strcpy and fold_builtin_strncpy
15364         instead of simplify_builtin_fputs, simplify_builtin_strcpy and
15365         simplify_builtin_strncpy respectively.
15366         * fold-const.c (fold): Update call to fold_builtin.
15367
15368 2004-07-08  Alexandre Oliva  <aoliva@redhat.com>
15369
15370         * builtins.c (expand_builtin_stpcpy): Un-simplify decay of stpcpy
15371         to strcpy.
15372
15373         * expr.h (FUNCTION_ARG_PARTIAL_NREGS): Default to 0.
15374         (FUNCTION_ARG_PASS_BY_REFERENCE): Likewise.
15375         (FUNCTION_ARG_CALLEE_COPIES): Likewise.
15376         * calls.c: Remove ifdefs of macros above.
15377         * functions.c: Likewise.
15378         * expr.c: Likewise.
15379
15380 2004-07-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
15381
15382         * config/sparc/sparc.md (UNSPECV_GOTO_V9): Delete.
15383         (arch attribute): Delete.
15384         (current_function_calls_alloca attribute): Rename into calls_alloca.
15385         (calls_eh_return): New attribute.
15386         (leaf_function): Likewise.
15387         (length attribute): Fix formula for sibcalls.
15388         (return insn): Correctly compute the 'length' attribute.
15389         (do_builtin_setjmp_setup): Adjust use of current_function_calls_alloca.
15390
15391 2004-07-08  Richard Henderson  <rth@redhat.com>
15392
15393         * tree-cfg.c (make_exit_edges): Use get_call_expr_in.
15394         (remove_useless_stmts_1, is_ctrl_altering_stmt): Likewise.
15395         (tree_block_ends_with_call_p, need_fake_edge_p): Likewise.
15396         * tree-eh.c (lower_eh_constructs_1): Likewise.
15397         * tree-sra.c (sra_walk_modify_expr): Likewise.
15398         * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Likewise.
15399         (eliminate_unnecessary_stmts): Likewise.
15400         * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
15401         * tree-tailcall.c (optimize_tail_call): Likewise.
15402         * tree-ssa-ccp.c (get_rhs, set_rhs): Reorg to use switch.
15403
15404 2004-07-08  Paolo Bonzini  <bonzini@gnu.org>
15405             Jakub Jelinek  <jakub@redhat.com>
15406
15407         * config/i386/i386.c (override_options): Enable
15408         SSE prefetches with -mtune, as long as we are
15409         compiling for i686 or higher.  All i686 processors
15410         accept SSE prefetches as NOPS, some i586's don't.
15411
15412 2004-07-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
15413
15414         PR target/10567
15415         * config/sparc/sparc.md (update_return): Honor flag_delayed_branch.
15416
15417 2004-07-08  Diego Novillo  <dnovillo@redhat.com>
15418
15419         * tree-ssa-operands.c (get_asm_expr_operands): Fix thinkos in
15420         the handling of clobbering ASM_EXPRs.
15421
15422 2004-07-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
15423
15424         PR target/16430
15425         * config/sparc/sparc.c (function_value): In 64-bit mode,
15426         return the aggregates larger than 16 bytes like unions.
15427
15428 2004-07-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
15429
15430         PR target/16199
15431         * config/sparc/sparc.c (sparc_emit_set_symbolic_const64): When
15432         'temp' is zero, generate new pseudos as needed and emit the
15433         sequence of insns in single-assignment form.  Resync comments
15434         with code.
15435         (sparc_emit_set_const64): Pass zero as 'temp' argument to above
15436         function before reload.
15437
15438 2004-07-08  Nathan Sidwell  <nathan@codesourcery.com>
15439
15440         * vec.c (vec_assert_fail): Remove duplicate 'function'.
15441
15442         * vec.c (vec_p_reserve, vec_o_reserve): Allocation is signed.
15443
15444         * vec.h (VEC_alloc, VEC_embedded_size, VEC_embedded_init):
15445         Allocation is signed.
15446         (VEC_reserve): Return flag, allocation is signed.
15447
15448 2004-07-08  Richard Henderson  <rth@redhat.com>
15449
15450         * tree-ssa-ccp.c (fold_stmt): Get type directly from
15451         OBJ_TYPE_REF_OBJECT.
15452
15453 2004-07-08  Joseph S. Myers  <jsm@polyomino.org.uk>
15454             Neil Booth  <neil@daikokuya.co.uk>
15455
15456         PR c/2511
15457         PR c/3325
15458         * c-decl.c (finish_struct): Ensure bit-fields are given the
15459         correct type.
15460         * c-common.c (c_common_signed_or_unsigned_type): For C, require
15461         the precision to match as well as the mode.
15462         * expr.c (reduce_to_bit_field_precision): New function.
15463         (expand_expr_real_1): Reduce expressions of bit-field type to
15464         proper precision.
15465         * langhooks.h (reduce_bit_field_operations): New hook.
15466         * langhooks-def.h (LANG_HOOKS_REDUCE_BIT_FIELD_OPERATIONS):
15467         Define.
15468         * c-lang.c, objc/objc-lang.c
15469         (LANG_HOOKS_REDUCE_BIT_FIELD_OPERATIONS): Define.
15470         * objc/objc-act.c (check_ivars): Convert types to bit-field types
15471         before checking.
15472         * tree.c (build_nonstandard_integer_type): New function.
15473         * tree.h (build_nonstandard_integer_type): New prototype.
15474         * tree-ssa.c (tree_ssa_useless_type_conversion_1): Don't treat
15475         conversions between integer and boolean types as useless.
15476
15477 2004-07-08  Paolo Bonzini  <bonzini@gnu.org>
15478
15479         * c-common.c (c_common_nodes_and_builtins): Do not
15480         create __builtin_ptrdiff_t and __builtin_size_t.
15481
15482 2004-07-08  Andrew Pinski  <apinski@apple.com>
15483
15484         * Makefile.in (libbackend.o): Add -combine to the gcc
15485         command line.
15486
15487 2004-07-08  Nick Clifton  <nickc@redhat.com>
15488
15489         * config/stormy16/t-stormy16 (TARGET_LIBGCC2_CFLAGS): Define.
15490         Set to -Os.
15491
15492 2004-07-08  Richard Henderson  <rth@redhat.com>
15493
15494         * except.c (expand_eh_region_start, expand_eh_region_end,
15495         expand_eh_handler, expand_eh_region_end_cleanup,
15496         expand_start_all_catch, expand_start_catch, expand_end_catch,
15497         expand_end_all_catch, expand_eh_region_end_allowed,
15498         expand_eh_region_end_must_not_throw, expand_eh_region_end_throw,
15499         expand_eh_region_end_fixup): Remove.
15500         * stmt.c (struct nesting): Remove stack_level, innermost_stack_block,
15501         cleanups, outer_cleanups, label_chain, exception_region.
15502         (struct goto_fixup): Remove stack_level, cleanup_list_list.
15503         (struct label_chain): Remove.
15504         (struct stmt_status): Remove x_stack_block_stack.
15505         (stack_block_stack, expand_goto_internal, expand_fixup, expand_fixups,
15506         fixup_gotos, save_stack_pointer, expand_decl_cleanup,
15507         expand_decl_cleanup_eh, expand_cleanups, start_cleanup_deferral,
15508         end_cleanup_deferral, last_cleanup_this_contour,
15509         containing_blocks_have_cleanups_or_stack_level,
15510         any_pending_cleanups): Remove.
15511         (expand_null_return_1): Take no arguments.
15512         (expand_label, expand_naked_return, expand_return,
15513         expand_start_bindings_and_block, expand_end_bindings, expand_decl,
15514         expand_anon_union_decl, expand_start_case, pushcase, pushcase_range,
15515         expand_end_case_type): Don't use any of them.
15516         * calls.c (expand_call): Likewise.
15517         * dojump.c (do_jump): Likewise.
15518         * function.c (expand_function_end): Likewise.
15519         * expr.c (store_expr, expand_expr_real_1): Likewise.
15520         (safe_from_p): Don't handle WITH_CLEANUP_EXPR, CLEANUP_POINT_EXPR.
15521         (expand_expr_real_1): Don't handle WITH_CLEANUP_EXPR,
15522         CLEANUP_POINT_EXPR, TARGET_EXPR, TRY_CATCH_EXPR, CATCH_EXPR,
15523         EH_FILTER_EXPR, TRY_FINALLY_EXPR, GOTO_SUBROUTINE_EXPR.
15524         * fold-const.c (fold_checksum_tree): Use first_rtl_op.
15525         * gengtype.c (adjust_field_tree_exp): Remove rtl op handling.
15526         * gimplify.c (gimplify_cleanup_point_expr): Renumber operands
15527         for WITH_CLEANUP_EXPR.
15528         (gimple_push_cleanup): Likewise.
15529         * integrate.c (copy_decl_for_inlining): Don't DECL_TOO_LATE.
15530         * print-tree.c (print_node): Likewise.
15531         * tree-pretty-print.c (dump_generic_node): Remove GOTO_SUBROUTINE_EXPR.
15532         * tree.c (first_rtl_op): Always just TREE_CODE_LENGTH.
15533         (has_cleanups): Remove GOTO_SUBROUTINE_EXPR.
15534         * tree.def (WITH_CLEANUP_EXPR): Remove op1 and op2.
15535         (GOTO_SUBROUTINE_EXPR): Remove.
15536         * tree.h (WITH_CLEANUP_EXPR_RTL): Remove.
15537         (DECL_TOO_LATE): Remove.
15538         * except.h, tree.h: Update decls.
15539
15540 2004-07-08  Paolo Bonzini  <bonzini@gnu.org>
15541
15542         * explow.c (optimize_save_area_alloca): Do not accept parameters.
15543         * passes.c (rest_of_handle_final): Handle symout.
15544         (rest_of_handle_new_regalloc, rest_of_handle_old_regalloc):
15545         Push timevar here.
15546         (rest_of_handle_sched): Break out SMS.  Remove ifs for
15547         flag_schedule_insns and flag_modulo_sched.
15548         (rest_of_handle_addressof, rest_of_handle_cse2): Garbage
15549         collect at the end.
15550         (rest_of_handle_gcse2): Put under timevar TV_RELOAD_CSE_REGS.
15551         (rest_of_handle_partition_blocks, rest_of_handle_sms,
15552         rest_of_handle_if_after_reload, rest_of_handle_peephole2,
15553         rest_of_handle_mode_switching, rest_of_handle_jump,
15554         rest_of_handle_guess_branch_prob, rest_of_handle_eh,
15555         rest_of_handle_jump2, rest_of_handle_postreload,
15556         rest_of_handle_flow2, rest_of_clean_state,
15557         rest_of_handle_shorten_branches,
15558         rest_of_handle_prologue_epilogue,
15559         rest_of_handle_branch_target_load_optimize): New.
15560         (rest_of_compilation): Call the above.  Remove ggc_collect
15561         calls moved to rest_of_handle_*.
15562         * rtl.h (optimize_save_area_alloca): Do not accept parameters.
15563
15564         * dwarf2out.c (dwarf2out_begin_prologue): Use TREE_NOTHROW.
15565         * except.c (set_nothrow_function_flags): Set TREE_NOTHROW.
15566         * except.h (set_nothrow_function_flags): Update comment.
15567         * function.c (current_function_nothrow): Remove.
15568         * output.h (current_function_nothrow): Remove.
15569         * passes.c (rest_of_compilation): Do not set TREE_NOTHROW.
15570         * config/arm/arm.c (arm_compute_func_type): Use TREE_NOTHROW.
15571
15572 2004-07-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
15573
15574         PR bootstrap/16326
15575         * reorg.c: Revert 2004-06-30 change.
15576         (find_end_label): If HAVE_epilogue and !HAVE_return,
15577         return 0 instead of creating a label at the end of the insn chain.
15578         (optimize_skip): Account for the failure mode of find_end_label.
15579         (fill_simple_delay_slots): Likewise.
15580         (fill_slots_from_thread): Likewise.
15581         (relax_delay_slots): Likewise.
15582
15583 2004-07-08  Diego Novillo  <dnovillo@redhat.com>
15584
15585         * tree-flow.h (addressable_vars): Declare.
15586         * tree-ssa-alias.c (addressable_vars): Define.
15587         (setup_pointers_and_addressables): Add addressable variables
15588         to addressable_vars.
15589         * tree-ssa-operands.c (get_stmt_operands): Move
15590         handling of ASM_EXPRs ...
15591         (get_asm_expr_operands): ... here.
15592         When the ASM_EXPR clobbers memory, also clobber addressable
15593         variables.
15594         * tree-ssa.c (init_tree_ssa): Initialize addressable_vars.
15595         (delete_tree_ssa): Reset addressable_vars.
15596
15597 2004-07-07  Jan Beulich  <jbeulich@novell.com>
15598             Richard Henderson  <rth@redhat.com>
15599
15600         * varasm.c (assemble_variable): Use assemble_zeros for
15601         zero-initialized variables.
15602         (categorize_decl_for_section): Honor flag_zero_initialized_in_bss
15603         for SECCAT_BSS and SECCAT_TBSS.
15604
15605 2004-07-07  Jan Beulich  <jbeulich@novell.com>
15606
15607         * varasm.c (asm_output_bss): Don't declare unless BSS_SECTION_ASM_OP.
15608
15609         * expmed.c (emit_store_flag): Also special-case double-word
15610         (in-)equality comparison against -1.
15611
15612         * config/i386/i386.c (ix86_gimplify_va_arg): Don't need temporary for
15613         passing arguments the containers for which are registers.
15614
15615         * calls.c (emit_library_call_value_1): Use mode of function parameter
15616         rather than that of argument since constants have none.
15617
15618 2004-07-08  Alexandre Oliva  <aoliva@redhat.com>
15619
15620         Introduce H8SX support.
15621         * expr.c (expand_strcpy): Renamed and moved to...
15622         * builtins.c (expand_movstr): ... here.  Tweak.
15623         (expand_builtin_strcpy): Adjust.  Use movstr if len can't be
15624         computed or has side effects.
15625         (expand_builtin_stpcpy): Likewise.  Use strcpy if return value is
15626         unused, or if mempcpy fails.  Adjust the return value in the
15627         latter case.  Use movstr if everything else fails.
15628         * doc/md.texi (movstr): Document.
15629         (movmemM, clrmemM): Fix explanation of memory block operands.
15630         * config/h8300/h8300.md (stpcpy): Renamed to...
15631         (movstr): ... this.  Adjust.
15632         2004-07-07  Alexandre Oliva  <aoliva@redhat.com>
15633         * config/h8300/h8300.md: Rename movstr*, except for movstrict*, to
15634         movmem* and clrstr* to clrmem*.
15635         2004-06-27  Alexandre Oliva  <aoliva@redhat.com>
15636         * config/h8300/h8300.c (h8300_reg_class_from_letter): Map 'D' to
15637         GENERAL_REGS, always.
15638         (h8300_swap_into_er6, h8300_swap_into_er6): Handle the case of
15639         getting the stack pointer as addr.
15640         * config/h8300/h8300.h (PREDICATE_CODES): Remove constant rtxes
15641         from general_operand_dst.
15642         * config/h8300/h8300.md (movmd_internal_normal): New, normal-mode
15643         variant of...
15644         (movmd_internal): ... this.  Add modes to operands.  Disparage `D'
15645         instead of requiring it to match only before reload.
15646         (stpcpy_internal_normal): New, normal-mode variant of...
15647         (stpcpy_internal): ... this.  Add modes to operands.  Disparage
15648         `D' instead of requiring it to match only before reload.
15649         * config/h8300/h8300-protos.h (h8300_legitimate_address_p): Add
15650         mode argument.
15651         * config/h8300/h8300.h (GO_IF_LEGITIMATE_ADDRESS): Pass it to...
15652         * config/h8300/h8300.c (h8300_legitimate_address_p): Pass it to
15653         h8300_get_index.
15654         * config/h8300/h8300.md (attr type): Add call.
15655         (attr can_delay): If type is call, set it no.
15656         (call, call_value): Set type to call.
15657         2004-06-21  Alexandre Oliva  <aoliva@redhat.com>
15658         * config/h8300/h8300.md (logicalhi3_sn, logicalsi3_sn): New.
15659         2004-06-16  Alexandre Oliva  <aoliva@redhat.com>
15660         * tree.c (get_narrower): Don't narrow integral types into
15661         non-integral types.
15662         * config/h8300/h8300.c (h8300_expand_epilogue): Initialize
15663         frame_size *before* the first use.
15664         * config/h8300/h8300.md (movstrictqi): Reintroduce post-increment
15665         on input.
15666         (peephole2): Don't widen instructions that push SP.  Move
15667         decrement of SP to the end of all stm-generating peepholes.
15668         2003-07-24  Richard Sandiford  <rsandifo@redhat.com>
15669         * config/h8300/h8300.md (insv): Prefer to use AND to clear a bitfield
15670         and OR to set it to all ones.
15671         2003-07-24  Richard Sandiford  <rsandifo@redhat.com>
15672         * config/h8300/h8300.md (can_delay): Default to "no" for bit branches.
15673         (call, call_value): Set can_delay to "no".
15674         2003-07-22  Richard Sandiford  <rsandifo@redhat.com>
15675         * config/h8300/h8300.md (extzv): Make subreg check more robust.
15676         2003-07-21  Richard Sandiford  <rsandifo@redhat.com>
15677         * config/h8300/h8300.md (*brabit): Remove.
15678         * config/h8300/h8300.md (*brabc, *brabs): Remove mode from
15679         zero_extract.  Use bit_memory_operand as the predicate for
15680         operand 1 and 'WU' as the constraint.  Check the difference
15681         between the base length and the final one when deciding which
15682         type of branch to use.
15683         2003-07-21  Richard Sandiford  <rsandifo@redhat.com>
15684         * config/h8300/h8300.md (extzv): Remove mode from operands 0 and 1.
15685         Use convert_move to extend the result for TARGET_H8300SX.  Check
15686         for QImode memory references.  Optimize the case where the
15687         destination is a paradoxical subreg.
15688         2003-07-21  Richard Sandiford  <rsandifo@redhat.com>
15689         * config/h8300/h8300.md (*movsf_h8sx): Add an r <- G alternative.
15690         * config/h8300/h8300.md (andqi): Remove bclr from h8sx version.
15691         2003-07-21  Richard Sandiford  <rsandifo@redhat.com>
15692         * config/h8300/h8300.md: Include mova.md
15693         (length_table): Add mova and mova_zero.
15694         * config/h8300/h8300.c (print_operand): Handle '%o'.  Print a length
15695         after all constant addresses for '%R', '%X', '%T' and '%S'.
15696         (h8300_mova_length): New function.
15697         (h8300_insn_length_from_table): Use it to handle mova and mova_zero.
15698         * config/h8300/t-h8300 (mova.md): Generate from genmova.sh.  Add to
15699         dependencies for s-config, etc.
15700         * config/h8300/gemova.sh: New file.
15701         * config/h8300/mova.md: Generated.
15702         2003-07-20  Alexandre Oliva  <aoliva@redhat.com>
15703         * config/h8300/h8300.c (h8300_bitfield_length): New.
15704         (nibble_operand): Adjust.
15705         (h8300_binary_length): Handle conditional binary op.
15706         (h8300_insn_length_from_table): Handle bitfield and bitbranch.
15707         * config/h8300/h8300.h: Change constraints W# and Y# to P#>X and
15708         P#<X, respectively.  The original P is now IP4>X.  Introduced P#>0
15709         and P#<0, unused so far.  W and Y are now prefixes to multi-letter
15710         constraints.  WU is introduced as a variant of U that requires a
15711         mem, and is therefore considered an EXTRA_MEMORY_CONSTRAINT.
15712         * config/h8300/h8300.md (attr type): Added bitbranch.
15713         (attr length_table): Added bitfield and bitbranch.
15714         (attr length): Compute bitbranch length.
15715         (andqi): Separate pattern for H8300SX.  Use bfld for loading the
15716         least-significant bit of a byte.
15717         (brabit, brabc, brabs): New.
15718         (insv, extzv): Emit bfst and bfld on H8300SX.
15719         (bfld, bfst, seq, sne): New.
15720         (bstzhireg, cmpstz, bstz, bistz): New.
15721         (cmpcondbset, condbset, cmpcondbclr, condbclr): New.
15722         (cmpcondbsetreg, condbsetreg, cmpcondbclrreg, condbclrreg): New.
15723         2003-07-11  Richard Sandiford  <rsandifo@redhat.com>
15724         * config/h8300/h8300.c (h8sx_binary_memory_operator): New function.
15725         (h8sx_unary_memory_operator): New function.
15726         * config/h8300/h8300.h (EXTRA_MEMORY_CONSTRAINT): Disable.
15727         (PREDICATE_CODES): Add h8sx_{unary,binary}_memory_operator.
15728         * config/h8300/h8300.md: Add peepholes to combine reloads and
15729         arithmetic insns.
15730         2003-07-10  Richard Sandiford  <rsandifo@redhat.com>
15731         * config/h8300/h830.md (cmpqi): Use 'i' rather than 'n' in constraints.
15732         (*cmphi_h8300hs, *addqi3, *addhi3_h8sx, subhi3): Likewise.
15733         (and?i, ior?i, xor?i): Likewise.
15734         2003-07-10  Richard Sandiford  <rsandifo@redhat.com>
15735         * config/h8300/h8300.c: Move enums and prototypes to head of file.
15736         Various whitespace fixes.
15737         (h8300_constant_length): New function, split out from...
15738         (h8300_displacement_size): ...here.  Rename h8300_displacement_length.
15739         (h8300_classify_operand): Use IN_RANGE.
15740         (h8300_classify_operand): Use h8300_constant_length.
15741         (h8300_short_move_mem_p): Tighten size check.
15742         (h8sx_mergeable_memrefs_p): Tighten equality check.
15743         2003-06-30  Richard Sandiford  <rsandifo@redhat.com>
15744         * config/h8300/h8300.h (TARGET_CPU_CPP_BUILTINS): Define __H8300SX__
15745         for -msx.
15746         * config/h8300/crti.asm: Use .h8300sx or .h8300sxn for -msx code.
15747         * config/h8300/crtn.asm: Likewise.
15748         * config/h8300/lib1funcs.asm: Likewise.  Use 32-bit pointers
15749         if __H8300SX__ is defined.
15750         2003-06-27  Richard Sandiford  <rsandifo@redhat.com>
15751         * config/h8300/h8300-protos.h (h8300_get_index): Add mode parameter.
15752         * config/h8300/h8300.h (GO_IF_LEGITIMATE_ADDRESS): Update accordingly.
15753         (GO_IF_MODE_DEPENDENT_ADDRESS): Treat POST_DEC, PRE_INC and indexed
15754         addresses as mode-dependent.
15755         * config/h8300/h8300.c (print_operand_address): Update call to
15756         h8300_get_index.
15757         (h8300_get_index): Take a mode argument.  Rework to fix an
15758         earlier misunderstanding.
15759         2003-06-26  Richard Sandiford  <rsandifo@redhat.com>
15760         * config/h8300/h8300.c (zero_extendqisi2): Force the source operand
15761         into a register if TARGET_H8300SX.
15762         (*zero_extendqisi2_h8300hs, *extendqisi2_h8300): Disable for
15763         TARGET_H8300SX.  Also disable related define_splits.
15764         (*zero_extendqisi2_h8sx, *extendqisi2_h8sx): New patterns.
15765         2003-06-23  Richard Sandiford  <rsandifo@redhat.com>
15766         * config/h8300/h8300.c (h8300_rtx_costs): Add h8sx handling.
15767         2003-06-20  Richard Sandiford  <rsandifo@redhat.com>
15768         * config/h8300/h8300.h (OK_FOR_Z): New macro.
15769         (EXTRA_CONSTRAINT_STR): Check it.
15770         * config/h8300/h8300.c (h8300_classify_operand): Accept null
15771         class arguments.
15772         (h8300_insn_length_from_table): Handle LENGTH_TABLE_MOV_IMM4.
15773         * config/h8300/h8300.md (length_table): Add mov_imm4.
15774         (movqi, movhi): Add Z <- W4 alternatives to h8sx patterns.
15775         2003-06-20  Richard Sandiford  <rsandifo@redhat.com>
15776         * genattrtab.c (write_eligible_delay): Allow candidate_insn to
15777         be a label.
15778         * config/h8300/h8300.h (DELAY_SLOT_LENGTH): New macro.
15779         * config/h8300/h8300.c (h8300_reorg): New function.
15780         (TARGET_MACHINE_DEPENDENT_REORG): Define.
15781         * config/h8300/h8300.md (length): Subtract the length of the
15782         delay slot from (pc) when checking the range of forward branches.
15783         (delay_slot, can_delay): New attributes.
15784         (define_delay): Add bra/s handling.
15785         (movmd_internal, return_h8sx, *return_1): Set can_delay to no.
15786         (jump): Add delayed-branch handling.
15787         2003-06-17  Richard Sandiford  <rsandifo@redhat.com>
15788         * expr.c (expand_strcpy): New function.
15789         * builtins.c (expand_builtin_strcpy): Fall back on expand_strcpy.
15790         (expand_builtin_stpcpy): Likewise.
15791         * config/h8300/h8300-protos.h (h8sx_split_movmd): Remove.
15792         (h8300_swap_into_er6, h8300_swap_out_of_er6): Declare.
15793         * config/h8300/h8300.c (h8300_reg_class_from_letter): Tweak 'd'
15794         handling to improve register allocation for -fno-omit-frame-pointer.
15795         (h8sx_split_movmd): Delete, moving er6 handling into...
15796         (h8300_swap_into_er6, h8300_swap_out_of_er6): ...these new functions.
15797         * config/h8300/h8300.md (UNSPEC_STPCPY): New unspec constant.
15798         (movmd): Add calls to copy_rtx.
15799         (movmd_internal): In the second alternative, allow the initial and
15800         final destination registers to be different .  Update the splitter
15801         accordingly.  Call h8300_swap_into_er6 and h8300_swap_out_of_er6
15802         instead of h8sx_split_movmd.
15803         (stpcpy, movsd): New expanders.
15804         (movsd_internal): New define_insn.
15805         2003-06-13  Richard Sandiford  <rsandifo@redhat.com>
15806         * config/h8300/h8300-protos.h (h8300_reg_class_from_letter): Declare.
15807         (h8sx_emit_movmd, h8sx_split_movmd): Declare.
15808         * config/h8300/h8300.h (reg_class): Add COUNTER_REGS, SOURCE_REGS
15809         and DESTINATION_REGS.
15810         (REG_CLASS_NAMES, REG_CLASS_CONTENTS): Update accordingly.
15811         (REGNO_REG_CLASS): Map er4, er5 and er6 to the new classes.
15812         (REG_CLASS_FROM_LETTER): Use h8300_reg_class_from_letter.
15813         (h8300_move_ratio): Declare.
15814         (MOVE_RATIO): Use it.
15815         * config/h8300/h8300.c (h8300_move_ratio): New variable.
15816         (h8300_init_once): Initialize it.
15817         (h8300_reg_class_from_letter): New function.
15818         (print_operand): Add an 'm' prefix for printing ".b", ".w" or ".l".
15819         (h8sx_emit_movmd, h8sx_split_movmd): New functions.
15820         * config/h8300/h8300.md (UNSPEC_MOVMD): New unspec constant.
15821         (COUNTER_REG, SOURCE_REG, DESTINATION_REG): New register constants.
15822         (movstrsi, movmd): New expanders.
15823         (movmd_internal): New insn.
15824         2003-06-06  Richard Sandiford  <rsandifo@redhat.com>
15825         * config/h8300/h8300.h (EXTRA_MEMORY_CONSTRAINT): Define.
15826         2003-06-04  Richard Sandiford  <rsandifo@redhat.com>
15827         * config/h8300/elf.h (LINK_SPEC): Use -m h8300sxnelf for -msx -mn.
15828         * config/h8300/h8300.c (asm_file_start): Use .h8300sxn likewise.
15829         2003-06-03  Richard Sandiford  <rsandifo@redhat.com>
15830         * config/h8300/h8300.c (nibble_operand): Fix warning.
15831         * config/h8300/h8300.md (movstricthi): Set adjust_length to no.
15832         (movsi_h8sx): Likewise here and the normal h8sx movhi pattern.
15833         (movsf_h8300h): Disable for TARGET_H8300SX.
15834         2003-06-03  Richard Sandiford  <rsandifo@redhat.com>
15835         * config/h8300/h8300.h (PREDICATE_CODES): Add h8300_ldm_parallel,
15836         h8300_stm_parallel and h8300_return_parallel.
15837         * config/h8300/h8300.c (h8300_push_pop, h8300_stack_offset_p,
15838         h8300_ldm_stm_regno, h8300_ldm_stm_parallel, h8300_ldm_parallel,
15839         h8300_stm_parallel, h8300_return_parallel): New functions.
15840         (h8300_expand_prologue): Don't enforce ldm/stm register alignment
15841         if TARGET_H8300SX.  Use h8300_push_pop.
15842         (h8300_expand_epilogue): Likewise.  Try to merge the return insn
15843         and final pop when generating h8sx code.  Always emit some form
15844         of return insn.
15845         * config/h8300/h8300.md: Don't enforce register alignment in
15846         stm peepholes if TARGET_H8300SX.
15847         (ldm_h8300s, stm_h8300s, return_h8sx): New patterns.
15848         (ldm_h8300s_[234], stm_h8300_[234]): Disable.
15849         (epilogue): Expect h8300_expand_epilogue to emit a return insn.
15850         2003-06-03  Richard Sandiford  <rsandifo@redhat.com>
15851         * config/h8300/t-h8300 (MULTILIB_OPTIONS): Add a -msx multilib.
15852         (MULTILIB_DIRNAMES): Add a directory for it.
15853         (MULTILIB_MATCHES): Delete.
15854         2003-05-28  Richard Sandiford  <rsandifo@redhat.com>
15855         * final.c (walk_alter_subreg): Handle addresses with subregs
15856         inside a ZERO_EXTEND or AND.
15857         * config/h8300/h8300-protos.h (h8300_get_index): Declare.
15858         * config/h8300/h8300.h (INDEX_REG_CLASS): Set to GENERAL_REGS
15859         if TARGET_H8300SX.
15860         (GO_IF_LEGITIMATE_ADDRESS): Use h8300_get_index.
15861         * config/h8300/h8300.c (print_operand_address): Handle @(dd,RnL.b),
15862         @(dd,Rn.w) and @(dd,ERn.L).
15863         (h8300_displacement_size): Take the whole address as argument.
15864         (h8300_classify_operand, h8300_short_move_mem_p): Adjust accordingly.
15865         2003-05-28  Richard Sandiford  <rsandifo@redhat.com>
15866         * config/mips/mips-protos.h (h8300_operands_match_p): Declare.
15867         (h8sx_mergeable_memrefs_p): Declare.
15868         * config/h8300/h8300.h (HAVE_POST_DECREMENT): Define to TARGET_H8300SX.
15869         (HAVE_PRE_INCREMENT): Likewise.
15870         (GO_IF_LEGITIMATE_ADDRESS): Accept pre/post increment/decrement
15871         addresses for TARGET_H8300SX,
15872         * config/h8300/h8300.c (print_operand_address): Deal with PRE_INC
15873         and POST_DEC.
15874         (movb_length_table, movl_length_table): New tables.
15875         (movw_length_table): Define to movb_length_table.
15876         (h8300_displacement_size): New, split out from...
15877         (h8300_classify_address): ...here.  Handle pre/post inc/dec.
15878         (h8300_short_immediate_length): Allow H8OP_MEM_COMPLEX operands.
15879         (h8300_insn_length_from_table): Add cases for movb, movw and movl.
15880         (h8sx_mergeable_memrefs_p, h8300_operands_match_p): New functions.
15881         (output_plussi): Use add.l #xx:3,Rn and sub.l #xx:3,Rn for h8sx.
15882         (compute_plussi_length, compute_plussi_cc): Update accordingly.
15883         (h8sx_unary_shift_operator): Get the mode from the operator.
15884         (binary_shift_operator): Likewise.
15885         * config/h8300/h8300.md: If a peephole2 applies gen_lowpart to
15886         a memory reference, check whether the reference is offsettable.
15887         (length_table): Add movb, movw and movl.
15888         (movqi): Add new h8sx pattern.  Don't force one operand to be a
15889         register when generating h8sx code.
15890         (movhi, movsi, movsf): Likewise.
15891         (movstrictqi): Use the length_table attribute.
15892         (movstricthi): Likewise.  Add h8sx alternative for mov.w #xx:3,Rn.
15893         (addqi3): Split into a define_expand and define_insn.  Don't accept
15894         memory operands in the expander.  Use h8300_operands_match_p to
15895         check for matching operands in the define_insn.
15896         (subqi3, negqi2, one_cmplqi2): Likewise.
15897         (add[hs]i3): Don't accept memory operands in the expander.  Likewise
15898         in any patterns that are unused in h8sx code.  In the h8sx patterns,
15899         use h8300_operands_match_p to check whether operands match.
15900         (sub[hs]i3, and[hi]3, ior[hs]i3, xor[hs]i3, neg[hsi]3,
15901         one_cmpl[hs]i3): Likewise.
15902         (andqi3, iorqi3, xorqi3): Likewise.  Don't call fix_bit_operand
15903         in the expander.
15904         2003-05-23  Richard Sandiford  <rsandifo@redhat.com>
15905         * config/h8300/h8300-protos.h (expand_a_shift): Return a bool.
15906         (h8300_insn_length_from_table): Add a second parameter.
15907         (output_h8sx_shift): Declare.
15908         * config/h8300/h8300.h (OK_FOR_W, OK_FOR_Y): New macros.
15909         (EXTRA_CONSTRAINT): Replace with...
15910         (EXTRA_CONSTRAINT_STR): ...this.  Use OK_FOR_W and OK_FOR_Y.
15911         (CONSTRAINT_LEN): Define, returning 2 for 'W' and 'Y'.
15912         (PREDICATE_CODES): Add entries for h8sx_unary_shift_operator
15913         and h8sx_binary_shift_operator.
15914         * config/h8300/h8300.c (two_insn_adds_subs_operand): Return false
15915         for TARGET_H8300SX.
15916         (bit_operand): Replace use of EXTRA_CONSTRAINT with OK_FOR_U.
15917         (bit_memory_operand, fix_bit_operand): Likewise.
15918         (h8300_length_table_for_insn): Remove.
15919         (h8300_classify_operand): Fix check for 16-bit operands in 32-bit
15920         instructions.
15921         (h8300_short_immediate_length, h8300_binary_length): New functions.
15922         (h8300_insn_length_from_table): Add an opcodes parameter.  Rework.
15923         (output_plussi): Use sub to add negative constants.
15924         (compute_plussi_length): Adjust accordingly.
15925         (h8sx_single_shift_type): New enum.
15926         (h8sx_single_shift, h8sx_unary_shift_operator,
15927         h8sx_binary_shift_operator, output_h8sx_shift): New functions.
15928         (expand_a_shift, expand_a_rotate): Emit nothing if the shift is a
15929         single h8sx instruction.  Return false in this case.
15930         * config/h8300/h8300.md (length_table): Add short_immediate.
15931         (length): Pass the operand array to h8300_insn_length_from_table.
15932         (adjust_length): Assume "no" for insns with a length_table attribute.
15933         (*cmphi_h8300hs, cmpsi): Add alternatives for #xx:3.
15934         (*addhi3_h8300hs): Don't use for h8sx.
15935         (*addhi3_h8sx): New pattern, with alternatives for add.w #xx:3
15936         and sub.w #xx:3.
15937         (ashl[qhs]i3, lshr[qhs]i3, ashr[qhs]i3, rotl[qhs]i3): Change operand
15938         1's predicate to nonimmediate_operand.  Only skip default expansion
15939         if expand_a_shift or expand_a_rotate returns true.  Add new patterns
15940         for single h8sx shift instructions.
15941         2003-05-22  Alexandre Oliva  <aoliva@redhat.com>
15942         * config/h8300/h8300.c (nibble_operand): Split out of...
15943         (reg_or_nibble_operand): ... this.
15944         * config/h8300/h8300.h (PREDICATE_CODES): Added nibble_operand.
15945         * config/h8300/h8300.md: (mulqihi3, mulhisi3, umulqihi3,
15946         umulhisi3): Introduce expand, and introduce separate insns for
15947         sign- or zero-extended REG and already-extended CONST_INT.
15948         2003-05-20  Richard Sandiford  <rsandifo@redhat.com>
15949         * config/h8300/h8300.c (h8300_unary_length): Fix miscounting.
15950         * config/h8300/h8300.md (subqi3): Generalize for h8sx.
15951         (subhi3): Likewise.  Don't accept immediates for operand 1.
15952         Remove the early clobber from second alternative of the h8300s pattern.
15953         (subsi3): Generalize for h8sx.  Force operand 2 into a register
15954         on plain h8300 targets.
15955         (subsi3_h8300): Use h8300_dst_operand for consistency with expander.
15956         (subsi3_h8300h): Generalize for h8sx.
15957         (one_cmplqi2, one_cmplhi2, one_cmplsi2): Likewise.
15958         2003-05-19  Alexandre Oliva  <aoliva@redhat.com>
15959         * config/h8300/h8300.c (reg_or_nibble_operand): New.
15960         * config/h8300/h8300.h (PREDICATE_CODES): Adjust.
15961         (TARGET_H8300SXMUL): New.
15962         (CONST_OK_FOR_P): New.
15963         (CONST_OK_FOR_LETTER_P): Adjust.
15964         * config/h8300/h8300.md (mulqihi3, mulhisi3, umulqihi3,
15965         umulhisi3): Accept 4-bit immediate on H8SX.
15966         (mulhi3, mulsi3, smulsi3_highpart, umulsi3_highpart): New.
15967         (udivsi3, divhi3, udivsi3, divsi3): New.
15968         2003-05-19  Richard Sandiford  <rsandifo@redhat.com>
15969         * config/h8300/h8300-protos.h (h8300_insn_length_from_table): Declare.
15970         * config/h8300/h8300.h (OK_FOR_Q): New macro.
15971         (EXTRA_CONSTRAINT): Use it to check the 'Q' constraint.
15972         (PREDICATE_CODES): Add h8300_src_operand and h8300_dst_operand.
15973         Add ADDRESSOF to the bit_operand entry.
15974         * config/h8300/h8300.c (h8300_dst_operand): New predicate.
15975         (h8300_src_operand): Likewise.
15976         (bit_operand): Check nonimmediate_operand rather than general_operand.
15977         Accept any nonimmediate_operand in h8sx code.
15978         (h8300_and_costs): Initialize operands[1].
15979         (h8300_rtx_costs) <AND>: Return false if the operands aren't valid.
15980         (h8300_operand_class): New enum.
15981         (h8300_length_table): New typedef.
15982         (addb_length_table, addw_length_table, addl_length_table,
15983         logicl_length_table): New tables.
15984         (logicb_length_table, logicw_length_table): New macros.
15985         (h8300_classify_operand, h8300_length_from_table,
15986         h8300_length_table_for_insn, h8300_unary_length,
15987         h8300_insn_length_from_table): New functions.
15988         (output_plussi): Only use adds and subs for register destinations.
15989         Disable redundant clause.
15990         (compute_plussi_cc): Likewise.
15991         (compute_plussi_length): Likewise.  Use h8300_length_from_table
15992         to work out the length of an insn.
15993         (output_logical_op): Only use narrower immediate instructions
15994         if the destination is a register.
15995         (compute_logical_op_cc): Likewise.
15996         (compute_logical_op_length): Likewise.  Use h8300_length_from_table.
15997         (h8300_adjust_insn_length): Tighten check for reg<->mem moves.
15998         * config/h8300/h8300.md (length_table): New attribute.
15999         (length): When an instruction has a length_table attribute, use
16000         h8300_insn_length_from_table to calculate its default length.
16001         (cmpqi): Use h8300_dst_operand for the first operand and
16002         h8300_src_operand for the second.
16003         (cmphi, *cmphi_h8300hs, cmpsi, negqi2, neghi2, neghi2_h8300h, negsi2,
16004         negsi2_h8300h, addqi3, addhi3, *addhi3_h8300, *addhi3_h8300hs, addsi3,
16005         addsi_h8300, addsi_h8300h, andhi3, andsi3, iorhi3,
16006         iorsi3, xorhi3, xorsi3): Likewise.
16007         (andqi3): Use h8300_src_operand for operand 2.  Adjust the condition
16008         so that it allows any combination of operands for TARGET_H8300SX.
16009         (iorqi3, xorqi3): Likewise.
16010         (cmpqi): Use the length_table attribute.
16011         (*cmphi_h8300hs, cmpsi, addqi, *addhi3_h8300hs, andqi3, iorqi3,
16012         xorqi3, negqi2, neghi2_h8300h, negsi2_h8300h): Likewise.
16013         (cmpqi): Add 'Q' constraint.
16014         (*cmphi_h8300hs, cmpsi, addqi, *addhi3_h8300hs, addsi_h8300h, andqi3,
16015         iorqi3, xorqi3, negqi2, neghi2_h8300h, negsi2_h8300h): Likewise.
16016         2003-05-14  Richard Sandiford  <rsandifo@redhat.com>
16017         * config/h8300/h8300.h (MASK_H8300SX): New macro.
16018         (TARGET_H8300S): True for both -ms and -msx.
16019         (TARGET_H8300SX): New macro.
16020         (TARGET_SWITCHES): Add entries for -msx and -mno-sx.
16021         * config/h8300/h8300.c (asm_file_start): Write .h8300sx for -msx.
16022         * config/h8300/elf.h (LINK_SPEC): Use -m h8300sxelf for -msx.
16023         * config/h8300/t-h8300 (MULTILIB_MATCHES): Use -ms multilibs for -msx.
16024         [Temporary change.]
16025         2003-02-28  Alexandre Oliva  <aoliva@redhat.com>
16026         * config/h8300/h8300.h (SIZE_TYPE, PTRDIFF_TYPE): Use short with
16027         16-bit pointers and 32-bit ints.
16028         * config/h8300/h8300.h (LEGITIMATE_CONSTANT_P): Accept
16029         CONST_DOUBLE with mode no wider than SImode.
16030         * config/h8300/h8300.md (extendqisi2_h8300): Add constraints for
16031         output operand.
16032         2003-02-27  Alexandre Oliva  <aoliva@redhat.com>
16033         * config/h8300/h8300.c (general_operand_src): Match CONSTANT_P_RTX
16034         or SUBREG thereof.
16035         * config/h8300/h8300.h (PREDICATE_CODES): Adjust.
16036         2003-02-22  Alexandre Oliva  <aoliva@redhat.com>
16037         * config/h8300/h8300.c (dosize): Truncate sign * size to Pmode.
16038
16039 2004-05-28  Aaron W. LaFramboise <aaronraolete36@aaronwl.com>
16040
16041         * config.gcc (i[34567]86-*-mingw32*): Enable threads by default.
16042
16043 2004-07-07  Per Bothner  <per@bothner.com>
16044
16045         * flow.c (attempt_auto_inc):  Remove now-redundant PUT_CODE.
16046
16047 2004-07-07  Mike Stump  <mrs@apple.com>
16048
16049         * darwin.h (ASM_OUTPUT_LABELREF): Fix -fno-leading-underscore.
16050         * darwin.c (machopic_non_lazy_ptr_name, machopic_stub_name)
16051         (machopic_finish): Likewise.
16052
16053 2004-07-07  Richard Henderson  <rth@redhat.com>
16054
16055         * tree-ssa-dom.c (simplify_switch_and_lookup_avail_expr): Look
16056         through any value-preserving cast.
16057
16058 2004-07-07  Alexandre Oliva  <aoliva@redhat.com>
16059
16060         * function.c (assign_parm_find_data_types): Call
16061         FUNCTION_ARG_PASS_BY_REFERENCE only if it's defined.
16062
16063 2004-07-07  Steven Bosscher  <stevenb@suse.de>
16064
16065         * tree-cfg.c (group_case_labels): Remove case labels that have
16066         the same target as the default case.
16067
16068 2004-07-07  Steven Bosscher  <stevenb@suse.de>
16069
16070         * tree-inline.c (optimize_inline_calls): Set DECL_INLINED_FNS
16071         regardless of DECL_LANG_SPECIFIC being present or not.
16072         * tree.h (DECL_NUM_STMTS): Purge.
16073
16074 2004-07-07  Andrew Pinski  <apinski@apple.com>
16075
16076         * configure: Regenerate with the right autoconf.
16077
16078 2004-07-07  David Edelsohn  <edelsohn@gnu.org>
16079
16080         * ifcvt.c (total_bb_rtx_cost): New function.
16081         (find_if_case_1): Compare rtx_cost of basic block to cost of
16082         BRANCH_COST insns.
16083         (find_if_case_2): Same.
16084
16085 2004-07-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
16086
16087         PR target/10567
16088         * config/sparc/sparc.c (load_pic_register): Honor flag_delayed_branch.
16089         (output_return): Likewise.
16090         (output_sibcall): Abort if !flag_delayed_branch.
16091         (sparc_function_ok_for_sibcall): Return 0 if !flag_delayed_branch.
16092         (emit_and_preserve): New function.
16093         (sparc_output_mi_thunk): Use it.  Honor flag_delayed_branch.  Emit an
16094         indirect jump to the thunked-to function if !flag_delayed_branch.
16095         * config/sparc/sparc.md (delayed_branch): New attribute.
16096         (load_pcrel_sym): Honor flag_delayed_branch.  Use above
16097         attribute to compute the length of the insn.
16098         (goto_handler_and_restore): Likewise.
16099
16100 2004-07-07  Andrew Pinski  <apinski@apple.com>
16101
16102         PR tree-optimization/15777
16103         * fold-const.c (fold_single_bit_test): Fold the x^1 expression.
16104
16105         * expr.c (expand_expr_real_1): Fix formating.
16106         BUFFER_REF and IN_EXPR are dead.
16107         * fold-const.c (non_lvalue): BUFFER_REF is dead.
16108         * tree-inline.c (estimate_num_insns_1): Likewise.
16109         * tree-pretty-print.c (dump_generic_node): BUFFER_REF,
16110         IN_EXPR, SET_LE_EXPR, and CARD_EXPR are dead.
16111         * tree.def (BUFFER_REF, IN_EXPR, SET_LE_EXPR, CARD_EXPR): Kill.
16112
16113 2004-07-07  H.J. Lu  <hongjiu.lu@intel.com>
16114
16115         * collect2.c (dump_file): Don't call cplus_demangle if
16116         HAVE_LD_DEMANGLE is defined.
16117         (main): Pass "--demangle" to ld if no_demangle is not 0 and
16118         HAVE_LD_DEMANGLE is defined. Don't set current_demangling_style
16119         if HAVE_LD_DEMANGLE is defined.
16120
16121         * configure.ac (--with-demangler-in-ld): Added
16122         (HAVE_LD_DEMANGLE): Define if ld supports --demangle when
16123         --with-demangler-in-ld is used.
16124         * config.in: Regenerated.
16125         * configure: Likewise.
16126
16127 2004-07-07  Roger Sayle  <roger@eyesopen.com>
16128
16129         * config/rs6000/rs6000.c (struct processor_costs): Add new fields
16130         for simple floating point operations "fp", double precision
16131         multiplication "dmul", and single and double precision division
16132         "sdiv" and "ddiv".  Update all CPU variant tables as appropriate.
16133         (ppc630_cost): New table split from ppc620_cost, to distinguish
16134         differences in floating point latencies.
16135         (rs6000_override_options): Use ppc630_cost for PROCESSOR_PPC630.
16136         (rs6000_rtx_costs): Add support for single and double precision
16137         floating point addition, subtraction, multiplication, division,
16138         fused-multiply-add, fused-multiply-sub, negation, absolute value
16139         and negative absolute value.  Tweak MEM case to use prefered idiom.
16140
16141 2004-07-07  Richard Henderson  <rth@redhat.com>
16142
16143         * tree-flow-inline.h (may_propagate_copy): Move...
16144         * tree-ssa-copy.c (may_propagate_copy): ... here.  Fail if we
16145         attempt to copy between types requiring conversion.
16146         * tree-flow.h (may_propagate_copy): Update decl.
16147         * tree-ssa-dom.c (cprop_operand): Tidy redundant tests.
16148
16149 2004-07-07  Jakub Jelinek  <jakub@redhat.com>
16150
16151         * config/i386/i386.c (override_options): Don't set x86_prefetch_sse
16152         from -mtune= option.
16153
16154 2004-07-07  Alexandre Oliva  <aoliva@redhat.com>
16155
16156         * builtins.c: Rename movstr*, except for movstrict*, to
16157         movmem* and clrstr* to clrmem*.
16158         * expr.c: Likewise.
16159         * expr.h: Likewise.
16160         * genopinit.c: Likewise.
16161         * integrate.c: Likewise.
16162         * local-alloc.c: Likewise.
16163         * optabs.c: Likewise.
16164         * optabs.h: Likewise.
16165         * config/alpha/alpha.h: Likewise.
16166         * config/alpha/alpha.md: Likewise.
16167         * config/arm/arm-protos.h: Likewise.
16168         * config/arm/arm.c: Likewise.
16169         * config/arm/arm.md: Likewise.
16170         * config/avr/avr.md: Likewise.
16171         * config/c4x/c4x.c: Likewise.
16172         * config/c4x/c4x.md: Likewise.
16173         * config/frv/frv.md: Likewise.
16174         * config/i386/i386-protos.h: Likewise.
16175         * config/i386/i386.c: Likewise.
16176         * config/i386/i386.h: Likewise.
16177         * config/i386/i386.md: Likewise.
16178         * config/i860/i860.c: Likewise.
16179         * config/i860/i860.md: Likewise.
16180         * config/ip2k/ip2k.md: Likewise.
16181         * config/ip2k/libgcc.S: Likewise.
16182         * config/ip2k/t-ip2k: Likewise.
16183         * config/m32r/m32r.c: Likewise.
16184         * config/m32r/m32r.md: Likewise.
16185         * config/mcore/mcore.md: Likewise.
16186         * config/mips/mips.c: Likewise.
16187         * config/mips/mips.md: Likewise.
16188         * config/ns32k/ns32k.c: Likewise.
16189         * config/ns32k/ns32k.h: Likewise.
16190         * config/ns32k/ns32k.md: Likewise.
16191         * config/pa/pa.c: Likewise.
16192         * config/pa/pa.md: Likewise.
16193         * config/pdp11/pdp11.h: Likewise.
16194         * config/pdp11/pdp11.md: Likewise.
16195         * config/rs6000/rs6000.c: Likewise.
16196         * config/rs6000/rs6000.md: Likewise.
16197         * config/s390/s390-protos.h: Likewise.
16198         * config/s390/s390.c: Likewise.
16199         * config/s390/s390.md: Likewise.
16200         * config/sh/lib1funcs.asm: Likewise.
16201         * config/sh/sh.c: Likewise.
16202         * config/sh/sh.md: Likewise.
16203         * config/sh/t-sh: Likewise.
16204         * config/sparc/sparc.h: Likewise.
16205         * config/vax/vax.md: Likewise.
16206         * config/xtensa/xtensa.c: Likewise.
16207         * config/xtensa/xtensa.md: Likewise.
16208         * doc/invoke.texi: Likewise.
16209         * doc/md.texi: Likewise.
16210         * doc/rtl.texi: Likewise.
16211
16212 2004-07-07  Richard Sandiford  <rsandifo@redhat.com>
16213
16214         PR target/16407
16215         * config/mips/mips-protos.h (mips_declare_common_object): Declare.
16216         * config/mips/mips.c (mips_declare_common_object): New function,
16217         mostly split out from...
16218         (mips_output_aligned_decl_common): ...here.
16219         * config/mips/mips.h (ASM_OUTPUT_LOCAL): Remove in favor of...
16220         (ASM_OUTPUT_ALIGNED_LOCAL): ...this new definition.
16221         * config/mips/iris6.h (ASM_OUTPUT_ALIGNED_LOCAL): Undefine this
16222         rather than ASM_OUTPUT_LOCAL.  Call mips_declare_common_object.
16223
16224 2004-07-07  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
16225
16226         PR c/16392
16227         * function.c (assign_parms): Fix typo from previous change.
16228
16229 2004-07-07  Jason Merrill  <jason@redhat.com>
16230
16231         PR c++/15815
16232         * doc/extend.texi (C++ Interface): Correct information and
16233         discourage use.
16234
16235 2004-07-07  Vladimir Makarov  <vmakarov@redhat.com>
16236
16237         PR target/16130
16238         PR target/16142
16239         PR target/16143
16240         * config/ia64/ia64.c (ia64_dfa_new_cycle): Reset DFA state for asm
16241         insn.
16242
16243 2004-07-06  Kazuhiro Inaoka  <inaoka.kazuhiro@renesas.com>
16244
16245         PR target/1679.
16246         * config/m32r/m32r.c (m32r_function_symbol): New function:
16247         Generate a symbol name RTX with the correct m32r specific flags
16248         set.
16249         (block_move_call): Use new function to generate correct symbol.
16250         * config/m32r/m32r-protos.h: Add prototype for new funcion.
16251         * config/m32r/m32r.h (INITIALIZE_TRAMPOLINE): Use the new
16252         function.
16253
16254 2004-07-07  Nathan Sidwell  <nathan@codesourcery.com>
16255
16256         * tree.h (TYPE_BINFO_OFFSET, TYPE_BINFO_VTABLE,
16257         TYPE_BINFO_VIRTUALS, TYPE_BINFO_BASETYPES,
16258         TYPE_BINFO_BASETYPE): Remove.
16259         (BINFO_BASETYPES, BINFO_N_BASETYPES, BINFO_BASETYPE): Rename
16260         to ...
16261         (BINFO_BASE_BINFOS, BINFO_N_BASE_BINFOS, BINFO_BASE_BINFO): ...
16262         here.
16263         (BINFO_BASEACCESSES, BINFO_BASEACCESS): Rename to ...
16264         (BINFO_BASE_ACCESSES, BINFO_BASE_ACCESS): ... here.
16265         (BINFO_INHERITANCE_CHAIN): Redocument as it is actually used.
16266         (struct tree_binfo): Rename base_types to base_binfos.
16267         * alias.c (record_component_aliases): Adjust BINFO macros.
16268         * dbxout.c (dbxout_type): Likewise.
16269         * dwarf2out.c (gen_member_die): Likewise.
16270         * sdbout.c (sdbout_one_type): Likewise.
16271         * tree-dump.c (deque_and_dump): Likewise.
16272         * config/i386/i386.c (classify_argument,
16273         contains_128bit_aligned_vector_p): Likewise.
16274
16275 2004-07-07  Nick Clifton  <nickc@redhat.com>
16276
16277         * config/fr30/fr30.c (fr30_setup_incoming_varargs): Change
16278         arguments to match TARGET_SETUP_INCOMING_VARARGS prototype.
16279
16280 2004-07-07  Nathan Sidwell  <nathan@codesourcery.com>
16281
16282         * vec.h: Fix the example use.
16283
16284 2004-07-06  Richard Henderson  <rth@redhat.com>
16285
16286         * langhooks-def.h (LANG_HOOKS_GIMPLE_BEFORE_INLINING): Remove.
16287         * langhooks.h (struct lang_hooks): Remove gimple_before_inlining.
16288         * tree-inline.c (copy_body_r, setup_one_parameter,
16289         initialize_inlined_parameters, expand_call_inline,
16290         declare_inline_vars): Don't check it.
16291         (expand_calls_inline): Remove old version, rename new version
16292         from gimple_expand_calls_inline.
16293         * tree-optimize.c (execute_gimple): Remove.
16294         (pass_gimple): Don't run anything.
16295
16296 2004-07-06  Joseph S. Myers  <jsm@polyomino.org.uk>
16297
16298         * doc/sourcebuild.texi: Use semicolons instead of commas in
16299         section title.
16300
16301 2004-07-06  Richard Henderson  <rth@redhat.com>
16302
16303         * tree-sra.c (struct sra_walk_fns): Revert 2004-07-05 change.
16304         (sra_walk_modify_expr, scan_init): Likewise.
16305         (generate_element_zero): Check visited before scanning children.
16306         (generate_element_init): Set visited on error.
16307         (scalarize_init): Handle generate_element_init failure similar
16308         to use_block_copy.
16309
16310 2004-07-06  Joseph S. Myers  <jsm@polyomino.org.uk>
16311
16312         * toplev.h (NO_FRONT_END_DIAG, ATTRIBUTE_GCC_FE_DIAG): Define.
16313         (warning, error, pedwarn, sorry): Use ATTRIBUTE_GCC_FE_DIAG.
16314
16315 2004-07-06  Richard Henderson  <rth@redhat.com>
16316
16317         * config/i386/i386.c (legitimize_pic_address): Make static.
16318         (legitimize_address): Handle CONST with TLS operand.
16319         (ix86_expand_move): Don't call legitimize_pic_address directly.
16320         * config/i386/i386-protos.h (legitimize_pic_address): Remove.
16321
16322 2004-07-06  Roger Sayle  <roger@eyesopen.com>
16323
16324         * ifcvt.c (struct noce_if_info): Add a Boolean b_unconditional field.
16325         (noce_try_sign_mask): Tweak rtx_cost check if t is evaluated anyway.
16326         (noce_process_if_block): Initialize if_info.b_unconditional if insn_b
16327         is currently executed unconditionally, i.e. not in "else_bb".
16328
16329 2004-07-06  Steven Bosscher  <stevenb@suse.de>
16330
16331         * config/alpha/alpha.c (alpha_use_dfa_pipeline_interface): Remove.
16332         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
16333         * config/arm/arm.c (arm_use_dfa_pipeline_interface): Remove.
16334         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
16335         * config/frv/frv.c (frv_use_dfa_pipeline_interface): Remove.
16336         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
16337         * config/i386/i386.c (ia32_use_dfa_pipeline_interface): Remove.
16338         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
16339         * config/ia64/ia64.c (ia64_use_dfa_pipeline_interface): Remove.
16340         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
16341         * config/pa/pa.c (hhpa_use_dfa_pipeline_interface): Remove.
16342         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
16343         * config/sparc/sparc.c (sparc_use_dfa_pipeline_interface): Remove.
16344         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
16345         * config/v850/v850.c (v850_use_dfa_pipeline_interface): Remove.
16346         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
16347
16348 2004-07-06  Daniel Berlin  <dberlin@dberlin.org>
16349
16350         * dojump.c (do_jump): REFERENCE_EXPR is dead.
16351         * expr.c (expand_expr_real_1): Ditto.
16352         * tree-inline.c (estimate_num_insns_1): Ditto.
16353         * tree-pretty-print.c (dump_generic_node): Ditto.
16354         (op_symbol): Ditto.
16355         * tree.def: Ditto.
16356
16357 2004-07-06  Daniel Berlin  <dberlin@dberlin.org>
16358
16359         * tree-ssa-pre.c (reference_node_pool): New pool.
16360         (find_or_generate_expression): Class 'r' is okay too.
16361         (create_value_expr_from): Ditto.
16362         (add_to_sets): LHS should not include vuses.
16363         (eliminate): Ditto.
16364         (compute_avail): Reverse ordering of tests.
16365         Valuize INDIRECT_REF as well.
16366
16367 2004-07-06  Richard Sandiford  <rsandifo@redhat.com>
16368
16369         PR rtl-optimization/16380
16370         * loop.c (check_dbra_loop): Sink comparison instructions if they
16371         do something other than set cc0.
16372
16373 2004-07-06  James E Wilson  <wilson@specifixinc.com>
16374
16375         * doc/interface.texi (longjmp and automatic variables): Delete
16376         paragraph recommending taking the address of a variable.
16377
16378 2004-07-06  Nathan Sidwell  <nathan@codesourcery.com>
16379
16380         * vec.h (VEC_embedded_alloc): Remove.
16381         (VEC_embedded_size, VEC_embedded_init): New.
16382         (VEC_alloc, VEC_reserve, VEC_safe_push, VEC_safe_insert): Add
16383         MEM_STAT_INFO.
16384         (VEC_truncate): New.
16385         (vec_p_reserve, vec_o_reserve): Add MEM_STAT_DECL.
16386         (vec_embedded_alloc): Remove.
16387         * vec.c (vec_p_reserve, vec_o_reserve): Add MEM_STAT_DECL, adjust.
16388         (vec_embedded_alloc): Remove.
16389
16390 2004-07-06  Mark Mitchell  <mark@codesourcery.com>
16391
16392         * Makefile.in (langhooks.o): Do not depend on gt-langhooks.h.
16393         (gt-langhooks.h): Remove.
16394
16395 2004-07-06  George Helffrich <george@gly.bris.ac.uk>
16396
16397         * xcoffout.h (DBX_FINISH_SYMBOL): Fix typo.
16398
16399 2004-07-06  Eric Botcazou  <ebotcazou@libertysurf.fr>
16400
16401         * config/sparc/sparc.c (get_pc_symbol): Rename into
16402         add_pc_to_pic_symbol.
16403         (get_pc_symbol_name): Rename into add_pc_to_pic_symbol_name.
16404         (load_pic_register): Account for previous changes.
16405         Use reg_names.  Don't create the label twice.
16406         * config/sparc/sparc.md (UNSPEC_GET_PC): Rename into
16407         UNSPEC_LOAD_PCREL_SYM.
16408         (get_pc): Rename into load_pcrel_sym.  Add predicate to
16409         operands.  Remove condition.
16410
16411 2004-07-06  Nathan Sidwell  <nathan@codesourcery.com>
16412
16413         * dbxout.c (dbxout_type): Don't test whether the binfo slot of
16414         RECORD, UNION & QUAL_UNION is actually a binfo.
16415
16416         * tree.h (TREE_VIA_VIRTUAL): Rename to ...
16417         (BINFO_VIRTUAL_P): ... here. Require TREE_BINFO only.
16418         (BINFO_MARKED, BINFO_FLAG_[16]): New binfo flags.
16419         * dbxout.c (dbxout_type): Use BINFO_VIRTUAL_P.
16420         * dwarf2out.c (add_data_member_location_attribute): Likewise.
16421         (gen_inheritance_die): Likewise.
16422         * tree-dump.c (deque_and_dump): Likewise.
16423         * doc/c-tree.texi (Binfos): Add under reconstruction note.
16424
16425 2004-07-06  Steven Bosscher  <stevenb@suse.de>
16426
16427         * config/mcore/mcore.c (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE):
16428         Define.
16429         * config/mcore/mcore.md: Model memory latency with a simple DFA
16430         pipeline description instead of a define_function_unit.
16431
16432 2004-07-05  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
16433
16434         * langhooks-def.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Extra arg.
16435         * langhooks.h (var_mod_type_p): Likewise.
16436         * c-decl.c (finish_decl): Add extra arg to variably_modified_type_p.
16437         * expr.c (count_type_elements): Properly handle return from
16438         array_type_nelts and properly test for overflow.
16439         * gimplify.c (gimplify_init_constructor): Properly handle return
16440         from array_type_nelts.
16441         (gimplify_addr_expr): Remove redundant clear of TREE_SIDE_EFFECTS.
16442         * integrate.c (copy_decl_for_inlining): Correct comments.
16443         * tree-inline.c (remap_decl): Update comments, remove dead code,
16444         and copy DECL_FIELD_OFFSET and DECL_QUALIFIER, if they exist.
16445         (remap_type): Only remap if variably modified by vars in function
16446         being inlined.
16447         (copy_body_r): Use compatible_type langhooks to see when can fold.
16448         (setup_one_parameter): Don't remap type.
16449         (inline_forbidden_p_1): Add arg to variably_modified_type_p.
16450         * tree.c (recompute_tree_invarant_for_addr_expr): Properly
16451         compute TREE_INVARIANT for decl case.
16452         (find_var_from_fn): New function.
16453         (variably_modified_type_p): Add arg and call new function.
16454         * tree.h (variably_modified_type_p): Add extra arg.
16455
16456 2004-07-05  Eric Botcazou  <ebotcazou@libertysurf.fr>
16457
16458         * config/sparc/sparc.md (nonlocal_goto): Remove disabled code.
16459         (goto_handler_and_restore_v9): Delete disabled insn.
16460         (goto_handler_and_restore_v9_sp64): Likewise.
16461
16462 2004-07-05  Roger Sayle  <roger@eyesopen.com>
16463
16464         * calls.c (load_register_parameters): Call expand_shift instead
16465         of expand_binop with ashl_optab (or other shift optab) directly.
16466         * expr.c (emit_group_load, emit_group_store): Likewise.
16467         * function.c (assign_parm_setup_block): Likewise.
16468         * stmt.c (shift_return_value): Likewise.
16469
16470 2004-07-05  Jakub Jelinek  <jakub@redhat.com>
16471
16472         * expr.c (expand_assignment): Disable the bitfield += optimizations.
16473
16474 2004-07-05  Joseph S. Myers  <jsm@polyomino.org.uk>
16475
16476         * doc/sourcebuild.texi: Revert previous patch.
16477
16478 2004-07-05  Joseph S. Myers  <jsm@polyomino.org.uk>
16479
16480         * c-decl.c, config/m32r/m32r.c, expr.c, optabs.c: Don't check
16481         TARGET_MEM_FUNCTIONS.
16482         * system.h: Poison TARGET_MEM_FUNCTIONS.
16483         * libfuncs.h (LTI_bcopy, LTI_bcmp, LTI_bzero, bcopy_libfunc,
16484         bcmp_libfunc, bzero_libfunc): Remove.
16485         * optabs.c (init_obtabs): Don't set bcopy_libfunc, bcmp_libfunc or
16486         bzero_libfunc.
16487         * doc/tm.texi (TARGET_MEM_FUNCTIONS): Remove.
16488         * doc/standards.texi: Don't mention calling BSD string functions.
16489         * doc/invoke.texi: Likewise.  Mention that memmove may be called.
16490         * config/vax/t-memfuncs: New.
16491         * config/memcmp.c, config/memcpy.c, config/memmove.c,
16492         config/memset.c: New.
16493         * config/pdp11/t-pdp11 (LIB2FUNCS_EXTRA): Use these files.
16494         * config.gcc (vax-*-bsd*, vax-*-sysv*, vax-*-ultrix*): Use
16495         vax/t-memfuncs.
16496         * config/alpha/alpha.h, config/arc/arc.h, config/arm/arm.h,
16497         config/avr/avr.h, config/c4x/c4x.h, config/cris/aout.h,
16498         config/elfos.h, config/gnu.h, config/h8300/h8300.h,
16499         config/i386/gas.h, config/ia64/ia64.h, config/interix.h,
16500         config/ip2k/ip2k.h, config/lynx-ng.h, config/m32r/m32r.h,
16501         config/mcore/mcore.h, config/mips/mips.h, config/mmix/mmix.h,
16502         config/netbsd.h, config/openbsd.h, config/pa/pa.h,
16503         config/rs6000/rs6000.h, config/rtems.h, config/s390/s390.h,
16504         config/sh/sh.h, config/sparc/sparc.h, config/stormy16/stormy16.h,
16505         config/svr3.h: Don't define TARGET_MEM_FUNCTIONS.
16506
16507 2004-07-05  Richard Henderson  <rth@redhat.com>
16508
16509         * function.c (assign_parm_setup_reg): Properly rename variables in
16510         FUNCTION_ARG_CALLEE_COPIES section.
16511
16512 2004-07-05  Zack Weinberg  <zack@codesourcery.com>
16513
16514         * tree-mudflap.c: Include cgraph.h.
16515         (mf_init_extern_trees): Rename to mudflap_init.  Export.
16516         Rewrite to create synthetic declarations instead of looking
16517         up declarations from mf-runtime.h.
16518         (mf_make_builtin, mf_make_cache_struct_type): New functions.
16519         (mf_cache_shift_decl, mf_cache_mask_decl, mf_unregister_fndecl):
16520         Correct commentary.
16521         (execute_mudflap_function_decls, mudflap_register_call):
16522         Don't call mf_init_extern_trees.
16523         (mudflap_finish_file): Use cgraph_build_static_cdtor.
16524
16525         * tree-mudflap.h: Update prototypes.
16526         * c-mudflap.c: Delete file.
16527         * c-common.c: Include tree-mudflap.h.
16528         (c_common_nodes_and_builtins): Call mudflap_init if appropriate.
16529         * Makefile.in: Remove all references to c-mudflap.o.
16530         Update dependencies.
16531
16532 2004-07-05  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
16533
16534         * pa.md (prefetch, prefetch_32, prefetch_64): Only allow short
16535         displacements with the spatial-locality cache-control completer.
16536
16537 2004-07-05  Zack Weinberg  <zack@codesourcery.com>
16538
16539         * langhooks.c: Don't include gt-langhooks.h.
16540         (var_labelno): Delete.
16541         (lhd_set_decl_assembler_name): Do not append a distinguishing
16542         number to file-scope internal-linkage declarations for the first
16543         input file, even if they have DECL_CONTEXT set.  Use DECL_UID of
16544         the declaration itself (if at block scope), or its containing
16545         TRANSLATION_UNIT_DECL (if at file scope) for the distinguishing
16546         number.
16547
16548         * opts.c (cur_in_fname): New global.
16549         * opts.h: Declare it.
16550         * tree.c: Include opts.h.
16551         (make_node_stat): If creating a TRANSLATION_UNIT_DECL, give it
16552         DECL_UID equal to cur_in_fname.
16553         (copy_node_stat): Do not change DECL_UID when copying a
16554         TRANSLATION_UNIT_DECL.
16555         (build_common_tree_nodes): Adjust next_decl_uid to reserve the
16556         range 0 .. num_in_fnames-1 for TRANSLATION_UNIT_DECLs.
16557
16558         * c-decl.c (c_static_assembler_name): Delete.
16559         * c-tree.h (c_static_assembler_name): Delete prototype.
16560         * c-lang.c, objc/objc-lang.c: Don't override
16561         LANG_HOOKS_SET_DECL_ASSEMBLER_NAME.
16562
16563         * Makefile.in (tree.o): Update dependencies.
16564         (GTFILES): Remove langhooks.c.
16565
16566 2004-07-05  Roger Sayle  <roger@eyesopen.com>
16567
16568         * fold-const.c (fold) <TRUNC_MOD_EXPR>: Optimize unsigned modulus
16569         by a power of two into a bit-wise AND, i.e. "X % C" as "X & (C-1)".
16570         Normalize "X % C" as "X % -C" for signed modulus and negative C.
16571         Optimize "X % -Y" as "X % Y" for signed modulus.
16572         <EQ_EXPR>: Recursively call "fold" when transforming "(X % Y) == 0"
16573         into "((unsigned) X % Y) == 0".
16574
16575 2004-07-05  Joseph S. Myers  <jsm@polyomino.org.uk>
16576
16577         * sourcebuild.texi (Config Fragments): Use @comma{} in
16578         cross-reference to section title.
16579
16580 2004-07-05  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
16581
16582         * tree.h (DECL_SEEN_IN_BIND_EXPR_P): New macro.
16583         * gimplify.c (gimple_add_tmp_var, gimplify_bind_expr): Use it.
16584         (gimplify_target_expr, gimplify_expr): Likewise.
16585         (copy_if_shared_r): No longer need special case for BIND_EXPR.
16586         (unshare_body, unvisit_body): Only look at nested if BODY_P is
16587         whole function.
16588         (gimplify_compound_lval): See if we can strip any useless conversion.
16589         (gimplify_modify_expr, gimplify_modify_expr_to_memcpy): Take size
16590         from RHS, not LHS.
16591         (gimplify_modify_expr_to_memset): Likewise.
16592         (gimplify_expr, case CONSTRUCTOR): Handle use as statement.
16593         * tree-inline.c (setup_one_parameter): Use DECL_SEEN_IN_BIND_EXPR_P.
16594         (declare_inline_vars): Likewise.
16595         (walk_type_fields): New function.
16596         (walk_tree): Use it.
16597         * tree-nested.c (create_tmp_var_for): Show seen in BIND_EXPR.
16598
16599         * tree-sra.c (struct sra_walk_fns): Init function now returns bool.
16600         (sra_walk_modify_expr): Allow init function to fail.
16601         (scan_init): Now returns bool.
16602         (generate_element_init): If can't understand INIT, return false.
16603         (scalarize_init): Return false if generate_element_init does.
16604
16605         * tree-pretty-print.c (dump_generic_node, case ARRAY_TYPE): Properly
16606         print bounds.
16607
16608         * expr.c (expand_expr_real_1, case SWITCH_EXPR): Don't check against
16609         bounds if bounds aren't constant.
16610
16611         * tree-cfg.c (verify_expr): Use CHECK_OP in binary case.
16612
16613         * function.c, langhooks-def.h, langhooks.h: Move max_size hook
16614         to type hooks; remove bogus PARAMS.
16615
16616 2004-07-05  Nathan Sidwell  <nathan@codesourcery.com>
16617
16618         * c-tree.h (TYPE_ACTUAL_ARG_TYPES): Use TYPE_LANG_SLOT_1.
16619         * dwarf2out.c (add_data_member_location_attribute): Check for
16620         TREE_BINFO.
16621         * tree.c (tree_node_kinds): Add "binfos".
16622         (binfo_lang_slots): New.
16623         (make_node_stat): Add TREE_BINFO.
16624         (make_tree_binfo_stat): New.
16625         (tree_node_structure): Add TREE_BINFO.
16626         * tree.def (TREE_BINFO): New.
16627         * tree.h (REC_OR_UNION_CHECK): Rename to ...
16628         (RECORD_OR_UNION_CHECK): ... here.
16629         (NOT_RECORD_OR_UNION_CHECK): New.
16630         (TRE_VIA_VIRTUAL): Allow TREE_LIST or TREE_BINFO.
16631         (TYPE_FIELDS, TYPE_METHODS, TYPE_VFIELD): Adjust for
16632         RECORD_OR_UNION_CHECK.
16633         (TYPE_BINFO): Use RECORD_OR_UNION_CHECK.
16634         (TYPE_LANG_SLOT_1): New.
16635         (BINFO_TYPE, BINFO_OFFSET, BINFO_VTABLE, BINFO_VIRTUALS,
16636         BINFO_BASETYPES, TYPE_BINFO_BASETYPES, BINFO_VPTR_FIELD,
16637         BINFO_BASEACCESSES, BINFO_INHERITANCE_CHAIN): Adjust.
16638         (BINFO_ELTS): Remove.
16639         (BINFO_LANG_SLOT): New.
16640         (struct tree_binfo): New.
16641         (binfo_lang_slots): Declare.
16642         (enum tree_node_structure_enum): Add TS_BINFO.
16643         (union tree_node): Add binfo.
16644         (make_tree_binfo_stat): Declare.
16645         (make_tree_binfo): New.
16646         (enum tree_node_kind): Add binfo_kind.
16647
16648         * objc/objc-act.c (start_class, objc_declare_protocols,
16649         start_protocols): Use TYPE_LANG_SLOT_1.
16650         * objc/objc-act.h (CLASS_BINFO_ELTS, PROTOCOL_BINFO_ELTS): Rename
16651         to ...
16652         (CLASS_LANG_SLOT_ELTS, PROTOCOL_LANG_SLOT_ELTS): ... here.
16653         (CLASS_IVARS, CLASS_RAW_IVARS, CLASS_STATIC_TEMPLATE,
16654         CLASS_CATEGORY_LIST, CLASS_PROTOCOL_LIST, CLASS_OWN_IVARS,
16655         PROTOCOL_LIST, PROTOCOL_FORWARD_DECL): Use TYPE_LANG_SLOT_1.
16656
16657 2004-07-05  Steven Bosscher  <stevenb@suse.de>
16658
16659         * rtl.h (struct rtx_def): Remove the integrated flag.
16660         Use the return_val flag for MEM_SCALAR_P.
16661         Reshuffle and update flags in CLEAR_RTX_FLAGS.
16662
16663 2004-07-05  Richard Sandiford  <rsandifo@redhat.com>
16664
16665         PR target/16357
16666         * config/mips/mips.c (mips_block_move_straight): Pass BLKmode memrefs
16667         to mips_expand_unaligned_load, mips_expand_unaligned_store, and
16668         move_by_pieces.
16669
16670 2004-07-05  Josef Zlomek  <zlomekj@suse.cz>
16671
16672         * var-tracking.c: Fix some comments.
16673         (frame_stack_adjust): New.
16674         (vt_stack_adjustments): Init stack_adjust of entry block to
16675         minus stack adjustment of function prologue.
16676         (adjust_stack_reference): Do not adjust if adjustment == 0.
16677         (compute_bb_dataflow): Use plus_constant instead of gen_rtx_PLUS.
16678         (emit_notes_in_bb): Likewise.
16679         (vt_add_function_parameters): Do not adjust locations of
16680         function arguments.
16681         (vt_initialize): Compute the stack adjustment of function
16682         prologue and offset the initial "location" of frame_base_decl
16683         from the stack pointer after prologue.
16684
16685 2004-07-04  Richard Henderson  <rth@redhat.com>
16686
16687         * function.c (struct assign_parm_data_all): New.
16688         (struct assign_parm_data_one): New.
16689         (assign_parms_initialize_all, assign_parms_augmented_arg_list,
16690         assign_parm_find_data_types, assign_parms_setup_varargs,
16691         assign_parm_find_entry_rtl, assign_parm_is_stack_parm,
16692         assign_parm_find_stack_rtl, assign_parm_adjust_entry_rtl,
16693         assign_parm_adjust_stack_rtl, assign_parm_setup_block_p,
16694         assign_parm_setup_block, assign_parm_setup_reg,
16695         assign_parm_setup_stack, assign_parms_unsplit_complex): Split from ...
16696         (assign_parms): ... here.
16697
16698 2004-07-04  Daniel Berlin  <dberlin@dberlin.org>
16699
16700         * tree-ssa-pre.c (bb_value_sets): phi_gen, tmp_gen, new_sets
16701         now are bitmap_set_t's.
16702         (bitmap_insert_into_set): No point in inserting the value if
16703         it's invariant.
16704         (bitmap_set_contains): New function.
16705         (bitmap_set_replace_value): Add comment on why we do it
16706         this way.
16707         (set_contains): Removed.
16708         (bitmap_set_subtract_from_value_set): New name of
16709         set_subtract now that it's arguments are two different
16710         types of sets.
16711         Update callers.
16712         (bitmap_find_leader): Change algorithm used.
16713         (find_or_generate_expression): Update use of functions for new
16714         bitmap sets.
16715         (create_expression_by_pieces): Ditto.
16716         (insert_aux): Ditto.
16717         (insert): Ditto.
16718         (add_to_sets): Ditto.
16719         (init_pre): Ditto.
16720         (execute_pre): Ditto.
16721         (compute_avail): Ditto.
16722         Also ignore virtual phis.
16723
16724 2004-07-04  Richard Sandiford  <rsandifo@redhat.com>
16725
16726         * combine.c (simplify_comparison): Fix comment typo.
16727
16728 2004-07-04  Eric Botcazou  <ebotcazou@libertysurf.fr>
16729
16730         * config/sparc/sparc.c (SIBCALL_SLOT_EMPTY_P): Rename
16731         into LEAF_SIBCALL_SLOT_RESERVED_P after negation.
16732         (eligible_for_sibcall_delay): Adjust use of SIBCALL_SLOT_EMPTY_P.
16733         (output_restore): Change parameter from 'insn' to 'pat'.
16734         (output_return): Adjust call to output_restore.
16735         (output_sibcall): Adjust use of SIBCALL_SLOT_EMPTY_P.
16736         Adjust call to output_restore.
16737
16738 2004-07-04  Neil Booth  <neil@duron.akihabara.co.uk>
16739
16740         * config/netbsd.h (NETBSD_OS_CPP_BUILTINS_COMMON): Define __unix__
16741         and assert system is bsd.
16742
16743 2004-07-04  Richard Sandiford  <rsandifo@redhat.com>
16744
16745         * config/mips/mips.h (MASK_DEBUG_C, TARGET_DEBUG_C_MODE): Delete.
16746         (TARGET_SWITCHES): Remove -mdebugc.
16747         * config/mips/mips.md (seq, sne, sgt, sge, slt, sle, sgtu, sgeu)
16748         (sltu, sleu): Remove TARGET_DEBUG_C_MODE handling.
16749         (seq_[sd]i, sne_[sd]i, sge_[sd]i, sle_[sd]i_reg, sgeu_[sd]i)
16750         (sle_[sd]i_reg): Delete.
16751
16752 2004-07-04  Steven Bosscher  <stevenb@suse.de>
16753
16754         * config/iq2000/iq2000.c (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE):
16755         Define.
16756         * config/iq2000/iq2000.md: Translate old pipeline description to an
16757         equivalent new one.
16758
16759 2004-07-04  Roger Sayle  <roger@eyesopen.com>
16760
16761         * tree-ssa-ccp.c (set_rhs): Change function to return a bool.
16762         Ensure the replacement rhs is valid gimple before performing
16763         the substitution.  Return false if these sanity checks fail.
16764         (fold_stmt): Only set changed to true, if set_rhs returns true.
16765         (execute_fold_all_builtins): Only call modify_stmt if set_rhs
16766         succeeds.
16767
16768 2004-07-04  Richard Henderson  <rth@redhat.com>
16769
16770         PR c/16348
16771         * c-typeck.c (c_finish_loop): Don't clear cond for cond_is_first loops.
16772
16773 2004-07-04  Mark Mitchell  <mark@codesourcery.com>
16774
16775         * configure.ac (ranlib_flags): New variable.
16776         * Makefile.in (RANLIB_FLAGS): New variable.
16777         (libbackend.a): Use it.
16778         * configure: Regenerated.
16779
16780 2004-07-04  Roger Sayle  <roger@eyesopen.com>
16781
16782         * ifcvt.c (noce_try_sign_mask): Call emit_store_flag to generate
16783         a "sign mask" instead of using ashr_optab directly.
16784
16785 2004-07-04  Neil Booth  <neil@duron.akihabara.co.uk>
16786
16787         * doc/cpp.texi: Don't document what we do for ill-formed expressions.
16788         * doc/cppopts.texi: Clarify processing of command-line defines.
16789
16790 2004-07-04  Gerald Pfeifer  <gerald@pfeifer.com>
16791
16792         * doc/contrib.texi (Contributors): Adjust link for GNU Classpath.
16793
16794 2004-07-04  Richard Henderson  <rth@redhat.com>
16795
16796         * rtl.def (ADDRESSOF): Remove.
16797         * alias.c (rtx_equal_for_memref_p): Don't handle addressof.
16798         (find_base_term, memrefs_conflict_p): Likewise.
16799         * cse.c (fixed_base_plus_p, find_best_addr: Likewise.
16800         (fold_rtx, cse_insn, set_live_p): Likewise.
16801         * dwarf2out.c (mem_loc_descriptor): Likewise.
16802         (add_location_or_const_value_attribute): Likewise.
16803         * emit-rtl.c (copy_insn_1): Likewise.
16804         * explow.c (memory_address): Likewise.
16805         * expmed.c (store_split_bit_field): Likewise.
16806         * expr.c (expand_expr_real_1): Likewise.
16807         * function.c (instantiate_decl
16808         (instantiate_virtual_regs_1, fix_lexical_addr): Likewise.
16809         * genrecog.c (preds, validate_pattern): Likewise.
16810         * integrate.c (copy_rtx_and_substitute): Likewise.
16811         * recog.c (general_operand, register_operand): Likewise.
16812         (memory_address_p): Likwise.
16813         * reload1.c (eliminate_regs, elimination_effects): Likewise.
16814         * rtl.c (copy_rtx): Likewise.
16815         * rtlanal.c (rtx_unstable_p, rtx_varies_p): Likewise.
16816         (rtx_addr_can_trap_p, nonzero_address_p, address_cost): Likewise.
16817         * rtlhooks.c (gen_lowpart_general): Likewise.
16818         * stmt.c (expand_asm_operands): Likewise.
16819         * web.c (entry_register, replace_ref, web_main): Likewise.
16820         * config/alpha/alpha.c (input_operand, alpha_legitimate_address_p,
16821         alpha_expand_block_move, alpha_expand_block_clear): Likewise.
16822         * config/arm/arm.c (thumb_rtx_costs): Likewise.
16823         * config/c4x/c4x.c (c4x_valid_operands): Likewise.
16824         * config/frv/frv.c (move_destination_operand, move_source_operand,
16825         condexec_dest_operand, condexec_source_operand,
16826         condexec_memory_operand): Likewise.
16827         * config/h8300/h8300.h (PREDICATE_CODES): Likewise.
16828         * config/ia64/ia64.c (general_xfmode_operand): Likewise.
16829         (destination_xfmode_operand): Likewise.
16830         * config/mips/mips.h (PREDICATE_CODES): Likewise.
16831         * config/mn10300/mn10300.c (mn10300_address_cost_1): Likewise.
16832         * config/s390/s390.c (general_s_operand): Likewise.
16833         * config/s390/s390.md (mov*): Likewise.
16834         * config/sparc/sparc.h (PREDICATE_CODES): Likewise.
16835
16836         * c-typeck.c (c_mark_addressable): Don't put_var_into_stack.
16837         * expr.c (expand_expr_real_1): Likewise.
16838         * stmt.c (expand_decl): Likewise.
16839         * config/c4x/c4x.c (c4x_expand_builtin): Likewise.
16840
16841         * function.c (struct fixup_replacement, struct insns_for_mem_entry,
16842         postponed_insns, put_var_into_stack, put_reg_into_stack,
16843         schedule_fixup_var_refs, fixup_var_refs, find_fixup_replacement,
16844         fixup_var_refs_insns, fixup_var_refs_insns_with_hash,
16845         fixup_var_refs_insn, fixup_var_refs_1, fixup_memory_subreg,
16846         walk_fixup_memory_subreg, fixup_stack_1, optimize_bit_field,
16847         gen_mem_addressof, flush_addressof, put_addressof_into_stack,
16848         purge_bitfield_addressof_replacements, purge_addressof_replacements,
16849         purge_addressof_1, insns_for_mem_hash, insns_for_mem_comp,
16850         struct insns_for_mem_walk_info, insns_for_mem_walk,
16851         compute_insns_for_mem, is_addressof, purge_addressof, setjmp_protect,
16852         setjmp_protect_args): Remove.
16853         (push_function_context_to): Don't handle var_refs_queue.
16854         (pop_function_context_from, free_after_compilation): Likewise.
16855         (instantiate_virtual_regs): Don't handle parm_reg_stack_loc.
16856         (assign_parms, allocate_struct_function): Likewise.
16857         (use_register_for_decl): New.
16858         (expand_function_end): Don't setjmp_protect.
16859         * function.h (struct emit_status): Update commentary.
16860         (struct function): Remove x_max_parm_reg, x_parm_reg_stack_loc.
16861         (max_parm_reg, parm_reg_stack_loc): Remove.
16862         * passes.c (DFI_addressof): Remove.
16863         (dump_file_info): Remove addressof.
16864         (rest_of_handle_addressof): Remove.
16865         (rest_of_compilation): Don't call it.
16866         * rtl.h (ADDRESSOF_REGNO, ADDRESSOF_DECL): Remove.
16867         * stmt.c (expand_decl): Use use_register_for_decl.
16868         * tree.h: Update decls.
16869         * web.c (mark_addressof): Remove.
16870         * doc/invoke.texi (-dF): Remove.
16871
16872 2004-07-03  Richard Henderson  <rth@redhat.com>
16873
16874         * config/ia64/ia64.c (spill_xfmode_operand): Use assign_stack_temp
16875         instead of gen_mem_addressof.
16876         * config/ia64/ia64.md (movxf): Use assign_stack_temp to handle
16877         TImode output register.
16878
16879 2004-07-03  Richard Henderson  <rth@redhat.com>
16880
16881         PR tree-optimization/16341
16882         * tree-sra.c (sra_walk_function): Increment to next stmt before
16883         processing the current stmt.
16884         (sra_insert_after): Always use BSI_SAME_STMT.
16885
16886 2004-07-03  Richard Henderson  <rth@redhat.com>
16887
16888         * tree-ssa-dom.c (simplify_rhs_and_lookup_avail_expr): Don't fold
16889         fp plus with minus.
16890
16891 2004-07-03  Joseph S. Myers  <jsm@polyomino.org.uk>
16892
16893         * tree.c (type_hash_eq): Allow TYPE_MIN_VALUE which compares equal
16894         with tree_int_cst_equal.
16895
16896 2004-07-03  Andreas Schwab  <schwab@suse.de>
16897
16898         * config/ia64/ia64.md: Define new attribute "empty".
16899         (prologue_use, nop_x, insn_group_barrier): Set it.
16900
16901         * config/ia64/ia64.c (ia64_reorg): When looking for trailing call
16902         skip over "empty" insns.
16903
16904 2004-07-03  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
16905
16906         * tree-inline.c (initialize_inlined_parameters): Pass proper function
16907         context to gimplify_body.
16908         (walk_tree): Don't walk into types twice.
16909         (walk_tree, case POINTER_TYPE): Deal with mutually recursive pointers.
16910
16911         * tree-sra.c (generate_element_init): Remove any useless conversions.
16912
16913         * gimplify.c (gimplify_conversion): Remove stripping useless
16914         conversions from here.
16915         (gimplify_expr): Put it here, in place of call to STRIP_MAIN_TYPE_NOPS.
16916         (gimplify_modify_expr_to_memcpy, gimplify_variable_sized_compare):
16917         Unshare before substituting PLACEHOLDER_EXPR.
16918         (gimplify_modify_expr_to_memset): Likewise.
16919         Pass address of TO to memset, not TO itself.
16920         (gimplify_init_constructor): Make copy of OBJECT so we have it each
16921         time we make an expression (to match a PLACEHOLDER_EXPR).
16922
16923         * tree-ssa.c (tree_ssa_useless_type_conversion): Also look at
16924         VIEW_CONVERT_EXPR and NON_LVALUE_EXPR.
16925         * tree-ssa-ccp.c (fold_stmt): Call just STRIP_USELESS_TYPE_CONVERSION.
16926         * tree-ssa-dom.c (local_fold): Likewise.
16927
16928         * langhooks-def.h (LANG_HOOKS_TYPE_MAX_SIZE): New langhook.
16929         * langhooks.h (strct lang_hooks): New field type_max_size.
16930         * function.c (assign_temp): Call it.
16931
16932 2004-07-03  Steven Bosscher  <stevenb@suse.de>
16933
16934         * config/sh/sh.c (sh_use_dfa_interface): Add TARGET_SH1.
16935         * config/sh/sh.md: Convert the SH1 pipeline description to
16936         a DFA model.
16937
16938 2004-07-02  Zack Weinberg  <zack@codesourcery.com>
16939
16940         * c-decl.c (struct c_binding): Remove contour field; add
16941         depth, invisible, nested fields.
16942         (B_IN_SCOPE, B_IN_CURRENT_SCOPE, B_IN_FILE_SCOPE)
16943         (B_IN_EXTERNAL_SCOPE): New convenience macros.
16944         (bind): Add invisible and nested arguments. Initialize
16945         new fields of struct c_binding; adjust loop scanning for
16946         insertion point.
16947         (free_binding_and_advance): Clear structure with memset.
16948         (pop_scope): Adjust to match.  Set DECL_CONTEXT on everything
16949         in file scope, even if it's in external scope too.
16950         (pushdecl): Adjust to match.  Create invisible file-scope
16951         declarations for block-scope forward declarations of static functions.
16952         (pushtag, warn_if_shadowing, pushdecl_top_level, implicitly_declare)
16953         (undeclared_variable, lookup_label, declare_label, define_label)
16954         (lookup_tag, lookup_name, lookup_name_in_scope, builtin_function)
16955         (c_make_fname_decl, store_parm_decls_newstyle, identifier_global_value)
16956         (store_parm_decls_oldstyle): Adjust to match.
16957         (diagnose_mismatched_decls): Correct handling of linkage clashes.
16958         (merge_decls): No need to copy C_DECL_IN_EXTERNAL_SCOPE.
16959
16960         * c-tree.h (C_DECL_IN_EXTERNAL_SCOPE): Delete.
16961         (C_DECL_DECLARED_BUILTIN, C_DECL_REGISTER): Slide down one.
16962
16963 2004-07-02  Richard Henderson  <rth@redhat.com>
16964
16965         * c-decl.c (grokdeclarator): Don't frob current_function_decl
16966         around variable_size.
16967         (set_decl_nonlocal): Remove.
16968         (store_parm_decls): Add stmts for pending sizes.
16969         * calls.c (calls_function, calls_function_1): Remove.
16970         (precompute_arguments): Don't call it.
16971         * cfgexpand.c (set_save_expr_context): Remove.
16972         (tree_expand_cfg): Don't call it.
16973         * dwarf2out.c (add_bound_info): Don't handle SAVE_EXPR.
16974         (dwarf2out_finish): Likewise.
16975         * expr.c (emit_block_move): Adjust addresses to BLKmode.
16976         (store_constructor): Don't pre-evaluate SAVE_EXPR.
16977         (safe_from_p): Don't queue SAVE_EXPRs.
16978         (expand_expr_real_1 <case SAVE_EXPR>): Rewrite to expect,
16979         or build plain VAR_DECLs.
16980         * fold-const.c (twoval_comparison_p): Don't look at SAVE_EXPR_RTL.
16981         (fold): Likewise.
16982         (fold_checksum_tree): Don't special-case SAVE_EXPR.
16983         * function.c (free_after_compilation): Don't clear x_save_expr_regs.
16984         (put_var_into_stack): Don't handle SAVE_EXPR.
16985         (gen_mem_addressof): Likewise.
16986         * function.h (struct function): Remove x_save_expr_regs.
16987         (save_expr_regs): Remove.
16988         * gengtype.c (adjust_field_tree_exp): Don't special-case SAVE_EXPR.
16989         * print-tree.c (print_node): Don't dump SAVE_EXPR_NOPLACEHOLDER.
16990         * stor-layout.c (variable_size): Don't set it.
16991         (force_type_save_exprs, force_type_save_exprs_1): Remove.
16992         * tree-inline.c (remap_save_expr): Remove fn argument.  Update
16993         all callers.  Don't set SAVE_EXPR_CONTEXT.
16994         * tree-inline.h (remap_save_expr): Update decl.
16995         * tree.c (save_expr): Update build size.
16996         (first_rtl_op): Don't handle SAVE_EXPR.
16997         (unsave_expr_1, contains_placeholder_p): Likewise.
16998         (decl_function_context): Likewise.
16999         * tree.def (SAVE_EXPR): Remove args 1 and 2.
17000         * tree.h (SAVE_EXPR_CONTEXT, SAVE_EXPR_RTL): Remove.
17001         (SAVE_EXPR_NOPLACEHOLDER, SAVE_EXPR_PERSISTENT_P): Remove.
17002
17003 2004-07-03  Joseph S. Myers  <jsm@polyomino.org.uk>
17004
17005         * doc/bugreport.texi, doc/configterms.texi, doc/contrib.texi,
17006         doc/contribute.texi, doc/cpp.texi, doc/cppinternals.texi,
17007         doc/extend.texi, doc/install.texi, doc/invoke.texi, doc/md.texi,
17008         doc/portability.texi, doc/tree-ssa.texi, doc/trouble.texi: Avoid
17009         some first-person references and patronizing comments.  Based on
17010         printed manual.
17011         * doc/invoke.texi: Don't reference fortran@gnu.org.
17012         * doc/trouble.texi (Warning when a non-void function value is
17013         ignored): Rewrite.  From Russ Allbery and Chris Devers.
17014
17015 2004-07-02  Daniel Berlin  <dberlin@dberlin.org)
17016
17017         * tree-ssa-pre.c (bitmap_set_t): New.
17018         (bb_value_sets): avail_out is now a bitmap_set_t.
17019         (bitmap_find_leader): New function.
17020         (bitmap_value_insert_into_set): Ditto.
17021         (bitmap_set_copy): Ditto.
17022         (bitmap_value_replace_in_set): Ditto.
17023         (bitmap_set_contains_value): Ditto.
17024         (bitmap_set_new): Ditto.
17025         (bitmap_set_pool): New pool.
17026         (find_or_generate_expression): Use bitmap_ functions on AVAIL sets.
17027         (insert_aux): Ditto.
17028         (add_to_sets): Ditto.
17029         (compute_avail): Ditto
17030         (eliminate): Ditto.
17031         (init_pre): Ditto.
17032         (fini_pre): Ditto.
17033         (execute_pre): Ditto.
17034
17035 2004-07-02  Roger Sayle  <roger@eyesopen.com>
17036
17037         * config/rs6000/rs6000.c (struct processor_costs): New structure
17038         used to hold instruction latencies/sizes for processor types.
17039         (rs6000_cost): New global variable pointing to current CPU's costs.
17040         (rs6000_override_options): Initialize rs6000_cost to point to the
17041         appropriate cost table based upon rs6000_cpu and optimize_size.
17042         (rs6000_rtx_costs): Use rs6000_cost to avoid hardcoding processor
17043         timings inline.
17044
17045 2004-07-02  Richard Henderson  <rth@redhat.com>
17046
17047         * expmed.c (make_tree): Don't use SET_DECL_RTL.
17048
17049 2004-07-02  Steven Bosscher  <stevenb@suse.de>
17050
17051         * tree-flow.h (bb_ann_d): Remove ephi_nodes field.
17052
17053 2004-07-01  Richard Henderson  <rth@redhat.com>
17054
17055         * config/alpha/alpha.c (struct machine_function): Add gp_save_rtx.
17056         (alpha_gp_save_rtx): Use assign_stack_local instead of
17057         gen_mem_addressof.
17058
17059 2004-07-01  Richard Henderson  <rth@redhat.com>
17060
17061         * config/alpha/alpha.c (struct alpha_rtx_cost_data): Add int_div.
17062         (alpha_rtx_cost_data): Update to match.
17063         (alpha_rtx_cost_size): New.
17064         (alpha_rtx_costs): Honor optimize_size.
17065
17066 2004-07-01  Richard Henderson  <rth@redhat.com>
17067
17068         * gimple-low.c (lower_function_body): Don't reset_block_changes here.
17069         * cfgexpand.c (tree_expand_cfg): Do it here.
17070         * config/alpha/alpha.c (alpha_output_mi_thunk_osf): And here.
17071         * config/ia64/ia64.c (ia64_output_mi_thunk): And here.
17072         * config/mips/mips.c (mips_output_mi_thunk): And here.
17073         * config/rs6000/rs6000.c (rs6000_output_mi_thunk): And here.
17074         * config/sh/sh.c (sh_output_mi_thunk): And here.
17075         * config/sparc/sparc.c (sparc_output_mi_thunk): And here.
17076
17077 2004-07-01  Richard Henderson  <rth@redhat.com>
17078
17079         * tree.def (RTL_EXPR): Remove.
17080         * c-typeck.c (lvalue_p): Don't handle it.
17081         * expr.c (safe_from_p): Likewise.
17082         (expand_expr_real_1): Likewise.
17083         * fold-const.c (non_lvalue, operand_equal_p, fold): Likewise.
17084         (fold_checksum_tree, tree_expr_nonnegative_p): Likewise.
17085         * gengtype.c (adjust_field_tree_exp): Likewise.
17086         * stmt.c (warn_if_unused_value): Likewise.
17087         * tree-gimple.c (recalculate_side_effects): Likewise.
17088         * tree-pretty-print.c (dump_generic_node): Likewise.
17089         * tree.c (make_node_stat, first_rtl_op, unsave_expr_1): Likewise.
17090         (unsafe_for_reeval, stabilize_reference, build1_stat): Likewise.
17091         * tree.h (RTL_EXPR_SEQUENCE, RTL_EXPR_RTL, RTL_EXPR_ALT_RTL): Remove.
17092
17093         * stmt.c (struct stmt_status): Remove x_last_expr_type,
17094         x_last_expr_value, x_last_expr_alt_rtl, x_expr_stmts_for_value.
17095         (last_expr_type, last_expr_value, last_expr_alt_rtl): Remove.
17096         (expand_expr_stmt): Merge with expand_expr_stmt_value.  Remove
17097         all the bits that tracked last_expr.
17098         (expand_end_bindings): Don't track last_expr.
17099         (expand_start_stmt_expr, expand_end_stmt_expr): Remove.
17100         (clear_last_expr): Remove.
17101         (expand_asm): Don't call it.
17102         (expand_asm_operands, expand_end_cond): Likewise.
17103         (expand_naked_return, expand_null_return_1): Likewise.
17104         * c-typeck.c (c_begin_compound_stmt): Likewise.
17105         * cfgexpand.c (expand_block): Use expand_expr_stmt.
17106         * expr.c (expand_expr_real_1): Likewise.
17107         * tree.h: Update prototypes.
17108
17109         * function.h (struct sequence_stack): Remove sequence_rtl_expr.
17110         (struct emit_status): Remove sequence_rtl_expr.
17111         (struct function): Remove x_rtl_expr_chain.
17112         (seq_rtl_expr, rtl_expr_chain): Remove.
17113         * function.c (struct temp_slot): Remove rtl_expr.
17114         (assign_stack_temp_for_type): Don't set it.
17115         (free_temp_slots, pop_temp_slots): Don't check it.
17116         (free_after_compilation): Don't clear x_rtl_expr_chain.
17117         (fixup_var_refs): Don't search it.
17118         (preserve_rtl_expr_result, free_temps_for_rtl_expr): Remove.
17119         * emit-rtl.c (start_sequence): Don't use sequence_rtl_expr
17120         or seq_rtl_expr.
17121         (push_topmost_sequence): Likewise.
17122         (end_sequence, init_emit): Likewise.
17123         (start_sequence_for_rtl_expr): Remove.
17124         * expmed.c (make_tree): Build a VAR_DECL instead of an RTL_EXPR.
17125         * rtl.h (preserve_rtl_expr_result): Remove.
17126
17127 2004-07-02  Kazu Hirata  <kazu@cs.umass.edu>
17128
17129         * ifcvt.c, modulo-sched.c, tree-alias-common.c, tree-sra.c,
17130         tree-ssa-copy.c, tree-ssa-dom.c, tree-ssa-pre.c: Fix comment
17131         typos.
17132
17133 2004-07-02  Aaron W. LaFramboise <aaronraolete36@aaronwl.com>
17134
17135         * gcc.c (STANDARD_STARTFILE_PREFIX_1): Define.
17136         (STANDARD_STARTFILE_PREFIX_2): Define.
17137         (standard_startfile_prefix_1): Initialize to
17138         STANDARD_STARTFILE_PREFIX_1.
17139         (standard_startfile_prefix_2): Initialize to
17140         STANDARD_STARTFILE_PREFIX_2.
17141         * config/i386/mingw32.h (MD_STARTFILE_PREFIX): Remove.
17142         (STANDARD_STARTFILE_PREFIX_1): Define.
17143         (STANDARD_STARTFILE_PREFIX_2): Define.
17144         * doc/tm.texi (STANDARD_STARTFILE_PREFIX_1): Document.
17145         (STANDARD_STARTFILE_PREFIX_2): Document.
17146
17147 2004-07-01  Richard Henderson  <rth@redhat.com>
17148
17149         * tree-sra.c (sra_walk_expr): Don't maybe_lookup_element_for_expr
17150         in order to disable scalarization.  Instead set a flag and wait
17151         for a candidate decl.
17152
17153 2004-07-01  Joseph S. Myers  <jsm@polyomino.org.uk>
17154
17155         * doc/cppinternals.texi, doc/install.texi, doc/invoke.texi,
17156         doc/md.texi, doc/sourcebuild.texi, doc/tm.texi, doc/trouble.texi:
17157         Use terminology "testsuite" and "enumerated".
17158
17159 2004-07-01  Richard Henderson  <rth@redhat.com>
17160
17161         * dwarf2out.c (reg_save): Use INVALID_REGNUM.
17162         (dwarf2out_reg_save, dwarf2out_return_save): Likewise.
17163         (initial_return_save): Likewise.
17164         (flush_queued_reg_saves): Remap register numbers.
17165         (dwarf2out_return_reg): Likewise.
17166
17167 2004-07-01  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
17168
17169         * gimplify.c (gimplify_one_sizepos): Don't do anything if any VAR_DECL.
17170
17171         * tree-pretty-print.c (dump_generic_node, case ARRAY_REF): Use
17172         access functions for lower bound and element size and only output
17173         if lower bound nonzero or element size not same as that of type.
17174         (dump_generic_node, case COMPONENT_REF): Use access func. for offset.
17175
17176 2004-07-01  Paolo Bonzini  <bonzini@gnu.org>
17177
17178         * c-pretty-print.c (pp_c_postfix_expression): Fix pasto.
17179
17180 2004-07-01  Per Bothner  <per@bothner.com>
17181
17182         * final.c (final):  Fix typo reported by Aaron W. LaFramboise.
17183
17184 2004-07-01  Jakub Jelinek  <jakub@redhat.com>
17185
17186         * expr.c (expand_assignment): Optimize bitfld += cst for 1 bit
17187         bitfields as well.  STRIP_NOPS from src operand and PLUS_EXPR's
17188         first operand.  Don't optimize if the bitfield is volatile.
17189
17190 2004-07-01  Paolo Bonzini  <bonzini@gnu.org>
17191
17192         * c-pretty-print.c (pp_c_postfix_expression): Handle
17193         floating-point comparison operators.
17194         (pp_c_expression): Pass floating-point comparison
17195         operators to pp_c_postfix_expression.
17196
17197 2004-07-01  Roger Sayle  <roger@eyesopen.com>
17198
17199         * simplify-rtx.c (simplify_binary_operation) <PLUS, MINUS>: Use
17200         rtx_cost instead of "had_mult" to determine whether the transformed
17201         expression is cheaper than the original.
17202
17203 2004-07-01  Jerry Quinn  <jlquinn@optonline.net>
17204
17205         * alias.c (get_alias_set, canon_rtx, get_addr,
17206         nonoverlapping_memrefs_p, nonlocal_referenced_p_1, memory_modified_1):
17207         Use MEM_P.
17208         * builtins.c (expand_builtin_prefetch, expand_builtin_profile_func,
17209         expand_builtin): Likewise.
17210         * calls.c (expand_call, emit_library_call_value_1, store_one_arg):
17211         Likewise.
17212         * combine.c (can_combine_p, combinable_i3pat, try_combine,
17213         find_split_point, combine_simplify_rtx, simplify_set, make_extraction,
17214         rtx_equal_for_field_assignment_p, gen_lowpart_for_combine,
17215         record_dead_and_set_regs_1, get_last_value_validate,
17216         mark_used_regs_combine, move_deaths, unmentioned_reg_p_1): Likewise.
17217         * cse.c (check_dependence, canon_hash, equiv_constant,
17218         gen_lowpart_if_possible, cse_insn, invalidate_from_clobbers,
17219         cse_around_loop, cse_check_loop_start, cse_set_around_loop,
17220         count_reg_usage): Likewise.
17221         * cselib.c (rtx_equal_for_cselib_p, add_mem_for_addr, cselib_lookup,
17222         cselib_invalidate_mem, cselib_invalidate_rtx, cselib_record_set,
17223         cselib_record_sets): Likewise.
17224         * dbxout.c (PARM_PASSED_IN_MEMORY, dbxout_symbol,
17225         dbxout_symbol_location, dbxout_parms, dbxout_reg_parms): Likewise.
17226         * ddg.c (mark_mem_use, mark_mem_store, rtx_mem_access_p): Likewise.
17227         * df.c (df_uses_record): Likewise.
17228         * dojump (do_jump): Likewise.
17229         * dwarf2out.c (stack_adjust_offset, mem_loc_descriptor,
17230         loc_descriptor_from_tree, rtl_for_decl_location, add_bound_info,
17231         decl_start_label): Likewise.
17232         * emit-rtl.c (gen_complex_constant_part, gen_highpart,
17233         operand_subword, change_address_1, make_safe_from): Likewise.
17234         * explow.c (break_out_memory_refs, copy_all_regs, validize_mem,
17235         stabilize, force_not_mem): Likewise.
17236         * expmed.c (store_bit_field, store_split_bit_field, extract_bit_field,
17237         expand_mult_const, expand_divmod, emit_store_flag): Likewise.
17238         * expr.c (convert_move, convert_modes, emit_block_move,
17239         emit_group_load, emit_group_store, clear_storage, emit_move_insn,
17240         emit_move_insn_1, expand_assignment, store_expr,
17241         store_constructor_field, store_constructor, store_field,
17242         force_operand, safe_from_p, expand_expr_real_1, expand_increment):
17243         Likewise.
17244         * final.c (cleanup_subreg_operands, alter_subreg,
17245         get_mem_expr_from_op): Likewise.
17246         * flow.c (notice_stack_pointer_modification_1,
17247         init_propagate_block_info, insn_dead_p, mark_set_1, mark_used_regs):
17248         Likewise.
17249         * function.c (mark_temp_addr_taken, preserve_temp_slots,
17250         preserve_rtl_expr_result, put_var_into_stack, fixup_var_refs_1,
17251         optimize_bit_field, flush_addressof, purge_addressof_1,
17252         instantiate_decl, instantiate_virtual_regs_1, assign_parms,
17253         setjmp_protect, setjmp_protect_args, fix_lexical_addr,
17254         keep_stack_depressed): Likewise.
17255         * ifcvt.c (noce_try_cmove_arith, noce_try_abs, noce_operand_ok,
17256         noce_process_if_block, find_memory): Likewise.
17257         * integrate.c (subst_constants, allocate_initial_values): Likewise.
17258         * local-alloc.c (validate_equiv_mem_from_store, memref_referenced_p,
17259         update_equiv_regs): Likewise.
17260         * loop.c (scan_loop, prescan_loop, note_addr_stored, check_store,
17261         maybe_eliminate_biv_1, find_mem_in_note_1): Likewise.
17262         * optabs.c (expand_abs, emit_unop_insn): Likewise.
17263         * passes.c (rest_of_handle_final): Likewise.
17264         * postreload.c (reload_cse_simplify_set, reload_cse_simplify_operands,
17265         move2add_note_store): Likewise.
17266         * ra-build.c (detect_remat_webs): Likewise.
17267         * ra-debug.c (dump_static_insn_cost): Likewise.
17268         * ra-rewrite.c (slots_overlap_p, insert_stores): Likewise.
17269         * recog.c (validate_change, apply_change_group, cancel_changes,
17270         validate_replace_rtx_1, general_operand, register_operand,
17271         nonmemory_operand, push_operand, pop_operand, memory_operand,
17272         indirect_operand, asm_operand_ok, offsettable_memref_p,
17273         offsettable_nonstrict_memref_p, constrain_operands,
17274         store_data_bypass_p): Likewise.
17275         * reg-stack.c (subst_stack_regs_pat): Likewise.
17276         * regclass.c (record_operand_costs, scan_one_insn, record_reg_classes,
17277         copy_cost, reg_scan_mark_refs): Likewise.
17278         * regmove.c (optimize_reg_copy_3, stack_memref_p,
17279         combine_stack_adjustments_for_block): Likewise.
17280         * regrename.c (copyprop_hardreg_forward_1): Likewise.
17281         * reload.c (can_reload_into, push_reload, decompose, immune_p,
17282         find_reloads, find_reloads_address, find_reloads_address_1,
17283         reg_overlap_mentioned_for_reload_p, refers_to_mem_for_reload_p,
17284         find_equiv_reg): Likewise.
17285         * reload1.c (reload, eliminate_regs, eliminate_regs_in_insn,
17286         reload_as_needed, choose_reload_regs, emit_input_reload_insns,
17287         do_input_reload, emit_reload_insns, gen_reload, delete_output_reload,
17288         delete_address_reloads): Likewise.
17289         * resource.c (mark_referenced_resources): Likewise.
17290         * rtlanal.c (get_jump_table_offset, count_occurrences,
17291         reg_referenced_p, reg_set_p, set_of_1, set_noop_p,
17292         reg_overlap_mentioned_p, note_uses, replace_regs, nonzero_bits1,
17293         num_sign_bit_copies1): Likewise.
17294         * rtlhooks.c (gen_lowpart_general): Likewise.
17295         * sched-deps.c (sched_analyze_1, sched_analyze_2): Likewise.
17296         * sdbout.c (PARM_PASSED_IN_MEMORY, sdbout_symbol,
17297         sdbout_toplevel_data, sdbout_parms, sdbout_reg_parms,
17298         sdbout_global_decl): Likewise.
17299         * simplify-rtx.c (simplify_subreg): Likewise.
17300         * stmt.c (expand_asm_operands, expand_expr_stmt_value, expand_decl,
17301         expand_anon_union_decl, expand_end_case_type): Likewise.
17302         * unroll.c (calculate_giv_inc): Likewise.
17303         * var-tracking.c (stack_adjust_offset_pre_post,
17304         bb_stack_adjust_offset, track_expr_p, count_uses, add_uses,
17305         add_stores, compute_bb_dataflow, vt_get_decl_and_offset,
17306         vt_add_function_parameters): Likewise.
17307         * varasm.c (make_var_volatile, notice_global_symbol,
17308         assemble_external, decode_addr_const, mark_weak,
17309         default_encode_section_info): Likewise.
17310
17311 2004-07-01  Steven Bosscher  <stevenb@suse.de>
17312
17313         * stmt.c (check_seenlabel): Remove.
17314         (pushcase, pushcase_range, expand_end_case_type): Don't call it.
17315
17316 2004-07-01  Richard Henderson  <rth@redhat.com>
17317
17318         * function.h (struct function): Remove x_function_call_count.
17319         (function_call_count): Remove.
17320         * calls.c (expand_call): Don't set it.
17321         * integrate.c (copy_rtx_and_substitute): Likewise.
17322
17323         * function.h (struct function): Remove x_cleanup_label.
17324         (cleanup_label): Remove.
17325         * stmt.c (expand_value_return): Don't use it.
17326         * function.c (free_after_compilation): Don't set it.
17327         (expand_function_start): Likewise.  Remove parms_have_cleanups arg.
17328         * cfgexpand.c (tree_expand_cfg): Update call.
17329         * tree.h (expand_function_start): Update decl.
17330
17331 2004-07-01  Joseph S. Myers  <jsm@polyomino.org.uk>
17332
17333         PR c/1027
17334         * c-lang.c (c_initialize_diagnostics): Move from here ...
17335         * c-objc-common.c: ... to here.  Include "c-pretty-print.h".
17336         (c_tree_printer): Use pretty-printer to format %T.
17337         * c-pretty-print.c (pp_c_specifier_qualifier_list): Include space
17338         before '*' if not C++.
17339         (pp_c_direct_abstract_declarator): Don't try to print array upper
17340         bound for flexible array members.
17341         * c-tree.h: Include "diagnostic.h".
17342         (c_initialize_diagnostics): Declare.
17343         * objc/objc-lang.c (LANG_HOOKS_INITIALIZE_DIAGNOSTICS): Define.
17344         * c-format.c (format_type_warning): New function.  Improve
17345         diagnostics for incorrect format argument types.
17346         (check_format_types): Use it.  Add two parameters.  Use the
17347         TYPE_MAIN_VARIANT of wanted_type.
17348         (check_format_info_main): Pass new parameters to
17349         check_format_types.
17350         (struct format_wanted_type): Update comment.
17351
17352 2004-07-01  Nick Clifton  <nickc@redhat.com>
17353
17354         * target.h (struct gcc_target): Add new field to struct cxx:
17355         import_export_class.
17356         * target-def.h (TARGET_CXX): Initialise the new field.
17357         (TARGET_CXX_IMPORT_EXPORT_CLASS): Provide a default value for
17358         the new field.
17359         * doc/tm.texi: Document the new target hook.
17360
17361 2004-07-01  Paolo Bonzini  <bonzini@gnu.org>
17362
17363         * builtins.c (fold_builtin_classify): Fix typo.
17364
17365 2004-07-01  Richard Henderson  <rth@redhat.com>
17366
17367         * function.c (identify_blocks, identify_blocks_1): Remove.
17368         * function.h (identify_blocks): Remove.
17369         * rtl.h (NOTE_INSN_BLOCK_BEG): Update comment.
17370
17371 2004-07-01  Paolo Bonzini  <bonzini@gnu.org>
17372
17373         * builtins.c (fold_builtin_classify): New.
17374         (fold_builtin_unordered_cmp): Fix commentary.
17375         (fold_builtin): Use it.
17376         * builtins.def: Define builtins for isnan,
17377         isnanf, isnanl, finite, finitef, finitel,
17378         isinf, isinff, isinfl.
17379
17380 2004-07-01  Richard Henderson  <rth@redhat.com>
17381
17382         * function.h (struct function): Remove dont_emit_block_notes.
17383         * gimple-low.c (lower_function_body): Don't set it.
17384         * cfgexpand.c (expand_block): Don't check it.
17385         * cfglayout.c (insn_locators_initialize): Likewise.
17386         * expr.c (expand_expr_real, expand_expr_real_1): Likewise.
17387         * passes.c (rest_of_compilation): Likewise.
17388         * stmt.c (expand_start_bindings_and_block): Likewise.
17389         (expand_end_bindings): Likewise.
17390
17391 2004-07-01  Richard Henderson  <rth@redhat.com>
17392
17393         * cgraph.h (cgraph_build_static_cdtor): Declare.
17394         * cgraphunit.c (cgraph_build_static_cdtor): New.
17395         * c-objc-common.c (build_cdtor): Use it.
17396         * coverage.c (create_coverage): Likewise.
17397         * libfuncs.h (LTI_gcov_init, gcov_init_libfunc): Remove.
17398         * optabs.c (init_optabs): Don't set gcov_init_libfunc.
17399
17400 See ChangeLog.11 for earlier changes.