OSDN Git Service

* tree-cfg.c (tree_forwarder_block_p): Reorder checks so that
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2004-10-08  Kazu Hirata  <kazu@cs.umass.edu>
2
3         * tree-cfg.c (tree_forwarder_block_p): Reorder checks so that
4         common cases will be caught earlier than others.
5
6 2004-10-08  Michael Matz  <matz@suse.de>
7
8         * loop-doloop.c (doloop_optimize): Extend count.
9
10 2004-10-08  Kaz Kojima  <kkojima@gcc.gnu.org>
11
12         * config/sh/sh.md (prefetch_media, prefetch_i4): New insns.
13         (prefetch): Convert to expander.
14
15 2004-10-08  Kaz Kojima  <kkojima@gcc.gnu.org>
16
17         * config/sh/sh.md (tls_global_dynamic): Use MEM pattern for the
18         first argument of CALL.
19         (tls_local_dynamic): Likewise.
20
21 2004-10-08  Joseph S. Myers  <jsm@polyomino.org.uk>
22
23         * c-typeck.c (enum impl_conv): New.
24         (convert_for_assignment): Use it.  Take tree for function called
25         instead of its name.  Handle ObjC selectors for diagnostics at
26         start of function.  Select diagnostic text within the function
27         using full sentences for diagnsotics.  Use %qE to name functions
28         in diagnostics.
29         (convert_arguments, build_modify_expr,
30         c_convert_parm_for_inlining, digest_init, c_finish_return): Update
31         callers to convert_for_assignment.
32         (warn_for_assignment): Remove.
33
34 2004-10-08  Nick Clifton  <nickc@redhat.com>
35
36         * config/sh/symbian.c (symbian_possibly_export_base_class):
37         Replace use of deleted TYPE_USES_VIRTUAL_BASECLASSES macro with
38         TYPE_CONTAINS_VPTR_P.
39
40 2004-10-08  Kazuhiro Inaoka  <inaoka.kazuhiro@renesas.com>
41
42         * config/m32r/m32r.h (CONDITIONAL_REGISTER_USAGE): Don't exclude
43         fixed registers form all_used_regs. Update call_really_used_regs.
44         (CALL_REALLY_USED_REGISTERS): Define.
45         * config/m32r/m32r.c (MUST_SAVE_REGISTER): Replace call_used_regs
46         with call_really_used_regs.
47
48 2004-10-08  Alan Modra  <amodra@bigpond.net.au>
49
50         * config/rs6000/sysv4.h (STARTFILE_LINUX_SPEC): Choose gcrt1.o
51         for -profile as well as -p and -pg.
52
53 2004-10-07  Andrew Pinski  <pinskia@physics.uc.edu>
54
55         * libgcc2.c (__moddi3): Cast &w to UDWtype*.
56
57 2004-10-07  Kazu Hirata  <kazu@cs.umass.edu>
58
59         * tree-cfg.c (tree_block_forwards_to): Remove.
60         * tree-flow.h: Remove the corresponding prototype.
61
62 2004-10-07  Kazu Hirata  <kazu@cs.umass.edu>
63
64         * tree-flow-inline.h (phi_nodes): Remove an unnecessary check
65         for ENTRY_BLOCK_PTR and EXIT_BLOCK_PTR.
66
67 2004-10-07  Geoffrey Keating  <geoffk@apple.com>
68
69         Radar 3813796
70         * config/rs6000/rs6000.c (rs6000_generate_compare): When
71         flag_trapping_math is in effect, don't generate subtract
72         instructions.
73
74 2004-10-07  Ulrich Weigand  <uweigand@de.ibm.com>
75
76         * config/s390/s390-protos.h (s390_narrow_logical_operator): Add.
77         * config/s390/s390.c (s390_narrow_logical_operator): New function.
78         (s390_extra_constraint_str): Add 'A' constraints.
79         (s390_const_ok_for_constraint_p): Add 'Nx' constraints.
80         * config/s390/s390.h (EXTRA_MEMORY_CONSTRAINT): Add 'A' constraint.
81         (CONSTRAINT_LEN): Likewise.
82         * config/s390/s390.md ("*anddi3"): Add NI alternative and splitter.
83         ("*andsi3_zarch", "*andsi3_esa"): Likewise.
84         ("*andhi3_zarch", "*andhi3_esa"): Likewise.
85         ("*iordi3"): Add OI alternative and splitter.
86         ("*iorsi3_zarch", "*iorsi3_esa"): Likewise.
87         ("*iorhi3_zarch", "*iorhi3_esa"): Likewise.
88         ("*xordi3"): Add XI alternative and splitter.
89         ("*xorsi3", "*xorhi3"): Likewise.
90
91 2004-10-07  Richard Sandiford  <rsandifo@redhat.com>
92
93         * config/mips/mips.c (mips_function_rodata_section): New function.
94         (TARGET_ASM_FUNCTION_RODATA_SECTION): Use it.
95
96 2004-10-07  Devang Patel  <dpatel@apple.com>
97
98         * rs6000/altivec.md (UNSPEC_VCMPBFP, UNSPEC_VCMPEQUB, UNSPEC_VCMPEQUH,
99         UNSPEC_VCMPEQUW, UNSPEC_VCMPGEFP, UNSPEC_VCMPGTUB, UNSPEC_VCMPGTSB,
100         UNSPEC_VCMPGTUH, UNSPEC_VCMPGTSH, UNSPEC_VCMPGTUW, UNSPEC_VCMPGTSW,
101         UNSPEC_VCMPGTFP, UNSPEC_VSEL4SI, UNSPEC_VSEL4SF, UNSPEC_VSEL8HI,
102         UNSPEC_VSEL16QI, UNSPEC_VCOND_V4SI, UNSPEC_VCOND_V4SF, UNSPEC_VCOND_V8HI,
103         UNSPEC_VCOND_V16QI, UNSPEC_VCONDU_V4SI, UNSPEC_VCONDU_V8HI, 
104         UNSPEC_VCONDU_V16QI): New constant defines.
105         (vcondv4si, vcondv4sf, vcondv8hi, vcondv16qi, vconduv4si, vconduv8hi,
106         vconduv16qi): New patterns.
107         * rs6000/rs6000-protos.h (rs6000_emit_vector_cond_expr): New function.
108         * rs6000/rs6000.c (rs6000_emit_vector_cond_expr): New function.
109         (get_vec_cmp_insn): Same.
110         (get_vsel_insn): Same.
111         (rs6000_emit_vector_compare): Same.
112         (rs6000_emit_vector_select): Same.
113         (INSN_NOT_AVAILABLE): New.
114         
115 2004-10-07  Zdenek Dvorak  <dvorakz@suse.cz>
116
117         PR tree-optimization/17749
118         * tree-tailcall.c (find_tail_calls): Check that parameter is
119         a gimple_reg.
120
121 2004-10-07  Kazu Hirata  <kazu@cs.umass.edu>
122
123         * config/ia64/ia64.c: Fix a comment typo.
124
125 2004-10-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
126
127         * doc/install.texi (*-*-solaris2*): Fix marker for URL.
128
129 2004-10-07  Giovanni Bajo  <giovannibajo@gcc.gnu.org>
130
131         PR c++/17115
132         * tree-inline.c (expand_call_inline): Do not warn for functions
133         marked with attribute noinline.
134
135 2004-10-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
136
137         PR target/17862
138         * config/sparc/sparc.c (sparc_output_mi_thunk): Set
139         current_function_uses_only_leaf_regs as well as sparc_leaf_function_p.
140
141         * config/sparc/sparc.c (sparc_gimplify_va_arg): Pass 'false' instead
142         of 0 as 4th argument to pass_by_reference.
143         Call build_va_arg_indirect_ref instead of build_fold_indirect_ref.
144
145 2004-10-06  Eric Christopher  <echristo@redhat.com>
146
147         * config/sh/sh.c (sh_dwarf_calling_convention): Fix renesas dwarf
148         attribute.
149
150 2004-10-07  Richard Sandiford  <rsandifo@redhat.com>
151
152         PR target/17770
153         * config/mips/mips.md (mov_<load>l): Remove hazard=none attribute.
154
155 2004-10-07  Zdenek Dvorak  <dvorakz@suse.cz>
156
157         PR rtl-optimization/17791
158         * loop-doloop.c (doloop_modify): Take number of iterations as
159         argument.
160         (doloop_optimize): Extend or shorten the number of iterations
161         when changing mode of counter register.
162         * loop-iv.c (lowpart_subreg): Export.
163         * rtl.h (lowpart_subreg): Declare.
164
165 2004-10-07  Zdenek Dvorak  <dvorakz@suse.cz>
166
167         PR tree-optimization/17806
168         * cfghooks.c (split_edge): Update IRREDUCIBLE_LOOP flags.
169         * cfgloopmanip.c (loop_split_edge_with): Updating of IRREDUCIBLE_LOOP
170         flags moved to split_edge.
171
172 2004-10-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
173
174         PR middle-end/17285
175         * expmed.c (expand_sdiv_pow2): Force a stack adjustment
176         before tentatively building the conditional move sequence.
177
178 2004-10-07  Richard Sandiford  <rsandifo@redhat.com>
179
180         PR target/16815
181         * function.c (assign_parm_setup_block_p): Tighten BLOCK_REG_PADDING
182         check.
183         * config/pa/pa.h (BLOCK_REG_PADDING): Define in terms of
184         function_arg_padding.
185
186 2004-10-07  Richard Sandiford  <rsandifo@redhat.com>
187
188         PR bootstrap/17857
189         * Makefile.in (stmp-fixproto): Pass FIX_HEADER=build/... to fixproto.
190
191 2004-10-07  Kazu Hirata  <kazu@cs.umass.edu>
192
193         * hooks.c (hook_int_void_1, hook_void_int): Remove.
194         * hooks.h: Remove the corresponding prototypes.
195
196 2004-10-06  Andrew Pinski  <pinskia@physics.uc.edu>
197
198         PR middle-end/17849
199         * tree-nested.c (walk_stmt_info): Add changed field.
200         (convert_nonlocal_reference): Set changed to when we
201         change a decl to unnested decl.
202         <case ADDR_EXPR>: Instead of checking if the immediate part
203         of the ADDR_EXPR changed, check the field changed.
204         Use recompute_tree_invarant_for_addr_expr instead of unsetting
205         TREE_INVARIANT.
206         (convert_local_reference):  Set changed to when we
207         change a decl to unnested decl.
208         <case ADDR_EXPR>: Instead of checking if the immediate part
209         of the ADDR_EXPR changed, check the field changed.
210         Also call recompute_tree_invarant_for_addr_expr on the ADDR_EXPR.
211
212 2004-10-06  Kazu Hirata  <kazu@cs.umass.edu>
213
214         * defaults.h (DWARF2_GENERATE_TEXT_SECTION_LABEL): Remove.
215         * dwarf2out.c (dwarf2out_init): Remove references to
216         DWARF2_GENERATE_TEXT_SECTION_LABEL.
217         * system.h: Poison DWARF2_GENERATE_TEXT_SECTION_LABEL.
218         * doc/tm.texi (DWARF2_GENERATE_TEXT_SECTION_LABEL): Remove.
219
220 2004-10-06  Joseph S. Myers  <jsm@polyomino.org.uk>
221
222         * c-typeck.c (convert_arguments): Take expression for called
223         function rather than its name.  Handle ObjC selectors directly
224         rather than relying on warn_for_assignment to do so.  Call warning
225         directly rather than warn_for_assignment.  Use %qE in diagnostics.
226         Say "argument" rather than "arg" in diagnostics.
227         (build_function_call): Update call to convert_arguments.
228
229 2004-10-06  Andrew Pinski  <pinskia@physics.uc.edu>
230
231         PR debug/17787
232         * dbxout.c (dbxout_symbol): Really handle RECORD, UNION, and
233         ENUMs specially instead of just saying we do.
234
235 2004-10-06  Eric Christopher  <echristo@redhat.com>
236
237         * dwarf2.h: Sync with include/elf/dwarf2.h
238
239 2004-10-06  Daniel Berlin  <dberlin@dberlin.org>
240
241         * tree-pretty-print.c (dump_generic_node): Fix printing of BINFO
242         and TREE_VEC nodes.
243
244 2004-10-06  Daniel Berlin  <dberlin@dberlin.org>
245
246         * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Convert
247         to use FOR_EACH_SSA_USE_OPERAND iterator, and propagate_value.
248
249 2004-10-06  Daniel Berlin  <dberlin@dberlin.org>
250
251         * lambda-code.c (compute_nest_using_fourier_motzkin): New
252         function.
253         (lambda_compute_auxillary_space): Split from here.
254
255 2004-10-06  Daniel Berlin  <dberlin@dberlin.org>
256
257         * tree-ssa-loop-ivopts.c (expr_invariant_in_loop): Make non-static.
258         * tree-flow.h: Add prototype.
259         * lambda-code.c (invariant_in_loop_and_outer_loops): Use
260         expr_invariant_in_loop.
261
262 2004-10-06  Kazu Hirata  <kazu@cs.umass.edu>
263
264         * tree-cfg.c (thread_jumps): Remove a duplicate check for
265         EXIT_BLOCK_PTR.
266
267 2004-10-06  Ulrich Weigand  <uweigand@de.ibm.com>
268
269         * config/s390/s390-protos.h (s_imm_operand): Remove.
270         (s390_pool_operand): Add prototype.
271         * config/s390/s390.c (general_s_operand): Remove.
272         (s_imm_operand): Remove.
273         (s_operand): Merge contents of general_s_operand.
274         (s390_pool_operand): New function.
275         * config/s390/s390.h (PREDICATE_CODES): Remove s_imm_operand.
276         * config/s390/s390.md ("*cmpdi_cct", "*cmpsi_cct"): New insns.
277         ("*cmpdi_ccu"): Merge Q->Q alternative.
278         ("*cmpsi_ccu", "*cmphi_ccu"): Likewise.
279         ("*cmpqi_ccu"): Merge Q->Q, n->Q, n->S alternatives.
280         ("*cli"): Remove.
281         ("*cmpdi_ccu_mem", "*cmpsi_ccu_mem"): Likewise.
282         ("*cmphi_ccu_mem", "*cmpqi_ccu_mem"): Likewise.
283         ("*movstricthi"): Use memory_operand instead of s_imm_operand.
284
285 2004-10-06  Steve Ellcey  <sje@cup.hp.com>
286
287         * config/ia64/ia64.h (FUNCTION_ARG_BOUNDARY): Change macro to
288         call ia64_function_arg_boundary.
289         * config/ia64/ia64-protos.h (ia64_function_arg_boundary): New.
290         * config/ia64/ia64.c (ia64_function_arg_boundary): New.
291         (ia64_function_arg_advance): Do not put 128 bit floats into
292         FP registers.
293
294 2004-10-06  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
295
296         * builtins.c (expand_builtin_strcpy): Delete duplicate code.
297         Accept an expression instead of an arglist.
298         (expand_builtin_stpcpy): Accept an expression instead of an
299         arglist.
300
301 2004-10-06  Eric Botcazou  <ebotcazou@libertysurf.fr>
302
303         PR target/16007
304         * doc/install.texi (*-*-solaris2*): Mention potential problem
305         with Sun assembler + GNU linker and C++ programs.
306         Document status of binutils 2.15 release.
307
308 2004-10-06  Jan Hubicka  <jh@suse.cz>
309
310         * cse.c (cse_main): Kill push/pop context.
311
312 2004-10-05  Zack Weinberg  <zack@codesourcery.com>
313
314         * pretty-print.c: Include tree.h.
315         (pp_base_prepare_to_format): New function, logic from
316         text_specifies_location.
317         (pp_base_format_text): Use gcc_assert.
318         * pretty-print.h (pp_prepare_to_format): New macro.
319         (pp_base_prepare_to_format): Prototype.
320         * diagnostic.c (text_specifies_location): Delete.
321         (bug_report_request): Delete.
322         (diagnostic_set_info): Don't call text_specifies_location.
323         (diagnostic_action_after_output): Put text from
324         bug_report_request inline here.  Use gcc_unreachable.
325         (diagnostic_report_current_function): Fix comment.
326         (diagnostic_report_diagnostic): Clarify logic for error recursion.
327         Call pp_prepare_to_format before diagnostic_starter.
328         (trim_filename): Use IS_DIR_SEPARATOR.
329         (fatal_error, internal_error): Use gcc_unreachable.
330         (error_recursion): Call diagnostic_action_after_output to
331         issue the bug_report_request message and exit.
332         * Makefile.in (diagnostic.o, pretty-print.o): Update dependencies.
333
334         * c-parse.in: Add list of diagnostic messages to insulate
335         translation template from version of yacc/bison used to
336         compile the grammar.
337
338 2004-10-06  Alan Modra  <amodra@bigpond.net.au>
339
340         PR 16406
341         * doc/tm.texi (USE_LD_AS_NEEDED, LINK_EH_SPEC): Document.
342
343 2004-10-05  Kazu Hirata  <kazu@cs.umass.edu>
344
345         * basic-block.h: Remove the prototype for
346         flow_preorder_transversal_compute.
347         * cfganal.c (dfst_node): Remove.
348         (flow_preorder_transversal_compute): Likewise.
349         * rtl.h: Remove the prototype for get_jump_table_offset.
350         * rtlanal.c (get_jump_table_offset): Remove.
351
352 2004-10-05  Richard Henderson  <rth@redhat.com>
353
354         PR 17756
355         * tree-ssa-operands.c (get_expr_operands): Handle CONST_DECL.
356
357 2004-10-05  Kelley Cook  <kcook@gcc.gnu.org>
358
359         PR bootstrap/17817
360         * Makefile.in: Stage the build directory too.
361
362 2004-10-05  Aldy Hernandez  <aldyh@redhat.com>
363
364         * config/frv/frv.h (LEGITIMIZE_ADDRESS): New.
365
366         * config/frv/frv-protos.h (frv_legitimize_address): Protoize.
367         (frv_emit_move): Same.
368
369         * config/frv/frv.c (frv_emit_move): New.
370         (frv_legitimize_address): New.
371
372         * config/frv/frv.md ("movsi"): Call frv_emit_move.
373         ("movqi"): Same.
374         ("movhi"): Same.
375         ("movdi"): Same.
376         ("movsf"): Same.
377         ("movdf"): Same.
378
379 2004-10-05  Joseph S. Myers  <jsm@polyomino.org.uk>
380
381         * c-decl.c (declspecs_add_type): Don't pedwarn for _Complex in
382         system headers.
383
384 2004-10-05  Joseph S. Myers  <jsm@polyomino.org.uk>
385
386         * c-decl.c (pushdecl): When an extern declaration at block scope
387         refers to a visible entity with internal linkage, use the old DECL
388         rather than the new one.
389
390 2004-10-05  Kazu Hirata  <kazu@cs.umass.edu>
391
392         * tree-cfg.c (cleanup_tree_cfg): Remove extra parentheses in
393         comments.
394
395 2004-10-05  Kazu Hirata  <kazu@cs.umass.edu>
396
397         * tree-cfg.c (thread_jumps): Remove a duplicate check for
398         an infinite loop.
399
400 2004-10-05  Kazu Hirata  <kazu@cs.umass.edu>
401
402         * tree-cfg.c (thread_jumps): Iterate with FOR_EACH_BB instead
403         of FOR_BB_BETWEEN.  Remove a useless check for unreachable
404         blocks.
405
406 2004-10-05  Kazu Hirata  <kazu@cs.umass.edu>
407
408         * tree-cfg.c (cleanup_tree_cfg): Don't call
409         delete_unreachable_blosk() after thread_jumps().
410         (thread_jumps): Always remove basic blocks as they become
411         unreachable.
412
413 2004-10-05  Kazu Hirata  <kazu@cs.umass.edu>
414
415         * tree-cfg.c (cleanup_tree_cfg): Remove variable
416         something_changed.  Simplify the while loop.
417
418 2004-10-05  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
419
420         * builtins.c (expand_builtin_memmove): Delete duplicate code
421         and accept a tree type for the result.
422         (expand_builtin_bcopy): Accept a tree type for the result.
423         (fold_builtin_memmove): Accept an arglist and tree type for
424         the result.
425
426 2004-10-05  Ulrich Weigand  <uweigand@de.ibm.com>
427
428         * config/s390/s390.c (s390_dump_pool): Remove return value.
429         Use gen_pool_align, gen_pool_section_start/end instead of
430         gen_pool_start/end_31/64.
431         * config/s390/s390.md (UNSPECV_POOL_START, UNSPECV_POOL_END): Remove.
432         (UNSPECV_POOL_SECTION, UNSPECV_POOL_ALIGN): New constants.
433         ("pool_start_31", "pool_end_31"): Remove.
434         ("pool_start_64", "pool_end_64"): Likewise.
435         ("pool_align", "pool_section_start", "pool_section_end": New insns.
436
437         * config/s390/s390.c (s390_cannot_copy_insn_p): New function.
438         (TARGET_CANNOT_COPY_INSN_P): Define.
439         (s390_cannot_force_const_mem): Handle UNSPEC_INSN.
440         (struct constant_pool): New member 'execute'.
441         (s390_add_execute, s390_find_execute): New functions.
442         (s390_execute_label, s390_execute_target): Likewise.
443         (s390_dump_pool): Output in-pool execute target templates.
444         (s390_dump_execute): New function.
445         (s390_alloc_pool, s390_free_pool): Handle execute templates.
446         (s390_mainpool_start, s390_mainpool_finish): Likewise.
447         (s390_chunkify_start, s390_chunkify_finish): Likewise.
448         * config/s390/s390.md (UNSPEC_INSN, UNSPEC_EXECUTE): New constants.
449         ("*execute"): New insn pattern.
450         ("movmem_short", "*movmem_short"): Use splitters to generate
451         explicit execute pattern, remove embedded execute.
452         ("clrmem_short", "*clrmem_short"): Likewise.
453         ("cmpmem_short", "*cmpmem_short"): Likewise.
454
455 2004-10-05  Daniel Berlin  <dberlin@dberlin.org>
456
457         * tree-ssa.c (verify_ssa): Verify phi arguments only
458         contain renamed names.
459
460 2004-10-05  Alan Modra  <amodra@bigpond.net.au>
461
462         * config/rs6000/linux.h: Formatting, whitespace.
463         * config/rs6000/linux64.h: Likewise.
464         * config/rs6000/rs6000-protos.h: Likewise.
465         * config/rs6000/rs6000.c: Likewise.
466         (easy_vector_splat_const): Add fall thru comments.
467         (output_vec_const_move): Likewise.
468
469 2004-10-05  Kelley Cook  <kcook@gcc.gnu.org>
470
471         * Makefile.in: Update -Wno-error exceptions for move to build dir.
472
473 2004-10-05  Chao-Ying Fu  <fu@mips.com>
474             Richard Sandiford  <rsandifo@redhat.com>
475
476         * doc/invoke.texi (-mpaired-single): Link to the new description of the
477         built-in functions.  Document dependencies.
478         (-mips3d): Add link here too.
479         * doc/extend.texi (MIPS Paired-Single Support): New section.
480
481 2004-10-04  Chao-ying Fu  <fu@mips.com>
482
483         * config/mips/mips.h (UNITS_PER_SIMD_WORD): Define.
484
485 2004-10-04  Diego Novillo  <dnovillo@redhat.com>
486
487         * tree-ssa-dom.c (tree_ssa_dominator_optimize):
488         Initialize OPT_STATS to 0.
489
490 2004-10-04  Kazu Hirata  <kazu@cs.umass.edu>
491
492         * tree-data-ref.c: Fix comment typos.
493
494 2004-10-04  Sebastian Pop  <pop@cri.ensmp.fr>
495
496         * tree-data-ref.c (array_base_name_differ_p): Fix comments.  When
497         the predicate cannot be computed, don't initialize the result to
498         false.
499
500 2004-10-01  Eric Christopher  <echristo@redhat.com>
501
502         * dwarf2.h (dwarf_calling_convention): Add GNU prefix to
503         locally defined enum.
504         * dwarf2out.c (add_calling_convention_attribute): Don't
505         emit DW_CC_normal.
506
507 2004-10-03  Andrew Pinski  <pinskia@physics.uc.edu>
508
509         PR c/17178, PR c/17820
510         * c-decl.c (pop_scope): Do not warn about unused static
511         variables as they warned in the middle-end.
512
513 2004-10-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
514
515         * builtins.c (expand_builtin_memcpy): Delete duplicate code
516         and make the first parameter the expression not the arglist.
517
518 2004-10-03  Ulrich Weigand  <uweigand@de.ibm.com>
519
520         * expr.c (expand_expr_addr_expr): Only accept Pmode or ptr_mode
521         as valid modes to expand address expressions.
522
523 2004-10-03  Joseph S. Myers  <jsm@polyomino.org.uk>
524
525         * c-aux-info.c, c-common.c, c-common.h, c-cppbuiltin.c, c-decl.c,
526         c-format.c, c-incpath.c, c-lex.c, c-objc-common.c, c-opts.c,
527         c-parse.in, c-pch.c, c-ppoutput.c, c-pragma.c, c-typeck.c: Follow
528         code formatting conventions.
529
530 2004-10-03  Richard Sandiford  <rsandifo@redhat.com>
531
532         * config/mips/mips.md (<u>mulsidi3_32bit_r4000): Fix unsigned case.
533
534 2004-10-03  Kazu Hirata  <kazu@cs.umass.edu>
535
536         PR tree-optimization/16632
537         * fold-const.c (fold) [EQ_EXPR]: When seeing if D & ~C != 0 to
538         fold (A & C) == D into 0, fold ~C.  Similarly, for the case
539         where | is used instead of &.
540
541 2004-10-03  Kazu Hirata  <kazu@cs.umass.edu>
542
543         * ginclude/stddef.h: Fix a comment typo.
544
545 2004-10-03  Eric Botcazou  <ebotcazou@libertysurf.fr>
546
547         PR target/17443
548         * config.gcc (i?86-*-solaris2*): Restore correct logic
549         for --enable-threads option.
550         (sparc64-*-solaris2*): Likewise.
551         (sparc-*-solaris2*): Likewise.
552
553 2004-10-03  Alan Modra  <amodra@bigpond.net.au>
554
555         * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define.
556         (OS_MISSING_POWERPC64): Move, and comment.
557         * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Define.
558         (OS_MISSING_POWERPC64): Move, and comment.
559
560 2004-10-02  Ian Lance Taylor  <ian@wasabisystems.com>
561
562         * arm.c (output_call_mem): Add missing \t.
563
564 2004-10-02  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
565
566         * builtins.c (expand_builtin_memcmp, expand_builtin_strcmp,
567         expand_builtin_strncmp): Delete duplicate code.
568
569 2004-10-02  Frank Ch. Eigler  <fche@redhat.com>
570
571         * tree-mudflap.c (mf_build_check_statement_for): Reorganize to
572         take check-base and -limit arguments.
573         (mf_xform_derefs_1): Reorganize slightly to pass proper base/limit
574         check ranges for ARRAY_REF and COMPONENT_REF.
575         (execute_mudflap_fnction_ops, ..._decls): Limit unnecessary
576         instrumentation.
577
578 2004-10-02  Joseph S. Myers  <jsm@polyomino.org.uk>
579
580         * c-objc-common.c (c_tree_printer): Correct description of %E.
581         Don't fall through after printing an expression.
582
583 2004-10-02  Kazu Hirata  <kazu@cs.umass.edu>
584
585         * tree-cfg.c, config/s390/tpf-unwind.h: Fix comment typos.
586
587 2004-10-02  Kazu Hirata  <kazu@cs.umass.edu>
588
589         * tree-cfg.c (cleanup_tree_cfg): Speed up by calling
590         delete_unrechable_blocks() only when necessary.
591
592 2004-10-02  P.J. Darcy  <darcypj@us.ibm.com>
593
594         * gthr-tpf.h (__gthread_recursive_mutex_t): New type.
595         (__GTHREAD_RECURSIVE_MUTEX_INIT): Define.
596         (__gthread_recursive_mutex_lock, __gthread_recursive_mutex_trylock,
597         __gthread_recursive_mutex_unlock): New functions.
598
599 2004-10-02  P.J. Darcy  <darcypj@us.ibm.com>
600
601         * config/s390/t-tpf (LIB2ADDEH): Remove tpf-eh.c.
602         * config/s390/tpf-eh.c: Remove file.
603         * config/s390/tpf-unwind.h: New file.
604         * config/s390/tpf.h (MD_FALLBACK_FRAME_STATE_FOR): Remove.
605         (MD_UNWIND_SUPPORT): Define.
606
607 2004-10-02  Joseph S. Myers  <jsm@polyomino.org.uk>
608
609         * c-typeck.c (warn_for_assignment): Don't permit argnum == 0.
610
611 2004-10-01  Ulrich Weigand  <uweigand@de.ibm.com>
612
613         * config/s390/s390-protos.h (s390_comparison): Add prototype.
614         * config/s390/s390.c (s390_comparison): New function.
615         (s390_branch_condition_mask): Return -1 for invalid comparisons.
616         (s390_branch_condition_mnemonic): Assert valid comparison.
617         * config/s390/s390.h (PREDICATE_CODES): Add s390_comparison.
618         * config/s390/s390.md ("*cjump_64", "*cjump_31", "*cjump_long",
619         "*icjump_64", "*icjump_31", "*icjump_long", "*trap"): Use
620         s390_comparison instead of comparison_operator.
621
622         * config/s390/s390.md (UNSPEC_CMPINT): New constant.
623         ("cmpmemdi"): Remove.
624         ("cmpmem_short", "*cmpmem_short"): Use CCUmode instead of CCSmode.
625         ("cmpmem_long", "*cmpmem_long_64", "*cmpmem_long_31"): Likewise.
626         ("cmpint_si"): Rename to ...
627         ("*cmpint_si"): ... this.  Use UNSPEC_CMPINT.
628         ("cmpint_di", "*cmpint_di"): Likewise.
629         * config/s390/s390.c (s390_canonicalize_comparison): Remove
630         redundant UNSPEC_CMPINT conversions.
631         (s390_expand_cmpmem): Adapt to cmpint pattern changes.
632
633 2004-10-01  Kazu Hirata  <kazu@cs.umass.edu>
634
635         * collect2.c (COLLECT_PARSE_FLAG): Remove.
636         (main): Remove a reference to COLLECT_PARSE_FLAG
637         * system.h: Poison COLLECT_PARSE_FLAG.
638         * doc/tm.texi (COLLECT_PARSE_FLAG): Remove.
639
640 2004-10-01  Paul Brook  <paul@codesourcery.com>
641
642         * config/arm/crti.asm: Give _init and _fini function type.
643
644 2004-10-01  Zdenek Dvorak  <dvorakz@suse.cz>
645
646         * common.opt (ftree-loop-ivcanon): Enable by default.
647         * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely):
648         Enable complete loop unrolling.
649         (canonicalize_induction_variables, tree_unroll_loops_completely):
650         Reset scev info.
651
652 2004-10-01  Paul Brook  <paul@codesourcery.com>
653
654         * config/arm/arm.c (thumb_compute_saved_rag_mask): Or with bitmask,
655         not register number.
656         (thumb_find_work_register): Search full register range.
657
658 2004-10-01  Andrew Pinski  <pinskia@physics.uc.edu>
659
660         PR tree-opt/17343
661         * tree-cfg.c (group_case_labels): Get the label and not
662         the case expr for the default case.
663         When the label we looking at is the default, decrement the
664         new_size.
665
666 2004-10-01  Jan Hubicka  <jh@suse.cz>
667
668         * c-decl.c (c_expand_body): Update call tree_rest_of_compilation.
669         * cgraphunit.c (cgraph_build_static_cdtor): Likewise.
670         * toplev.h (tree_rest_of_compilation): Update prototype.
671         * tree-optimize.c (tree_rest_of_compilation):  Kill nested_p argument.
672
673 2004-10-01  Kazu Hirata  <kazu@cs.umass.edu>
674
675         * tree-cfg.c (cleanup_tree_cfg): Pull a call to
676         cleanup_control_flow() out of the while loop.
677
678 2004-10-01  Paolo Bonzini  <bonzini@gnu.org>
679
680         * tree-vectorizer.c (vectorizable_operation): Fail unless
681         the mode for the vector type is indeed a vector mode.
682
683 2004-10-01  Zdenek Dvorak  <dvorakz@suse.cz>
684
685         * tree-chrec.c (chrec_fold_plus_poly_poly, chrec_fold_plus_1,
686         chrec_fold_multiply): Use fold_convert or build_int_cst_type instead
687         of convert.
688         * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
689         add_to_evolution, set_nb_iterations_in_loop, follow_ssa_edge_in_rhs,
690         follow_ssa_edge_in_rhs): Ditto.
691         * tree-ssa-loop-ivopts.c (struct iv): Add base_object field.
692         (dump_iv): Dump base_object.
693         (dump_use, dump_cand): Use dump_iv.
694         (determine_base_object): New function.
695         (alloc_iv): Initialize base_object field.
696         (record_use): Clear the ssa_name field of iv.
697         (get_computation_cost_at): Do not use difference of addresses of
698         two different objects.
699         (may_eliminate_iv): Do not require the loop to have just single exit.
700         * tree-ssa-loop-niter.c (zero_p): Do not check for overflows.
701         (nonzero_p): New function.
702         (inverse, number_of_iterations_cond, simplify_using_outer_evolutions,
703         tree_simplify_using_condition, simplify_using_initial_conditions,
704         loop_niter_by_eval, find_loop_niter_by_eval,
705         estimate_numbers_of_iterations_loop, compare_trees,
706         upper_bound_in_type, lower_bound_in_type,
707         can_count_iv_in_wider_type_bound): Use buildN instead of build.  Use
708         fold_convert or build_int_cst_type instead of convert.  Use (non)zero_p
709         instead of integer_(non)zerop.
710
711 2004-10-01  Jakub Jelinek  <jakub@redhat.com>
712
713         Revert
714         2004-09-29  Jakub Jelinek  <jakub@redhat.com>
715
716         * tree.h (enum tree_index): Add TI_VA_LIST_GPR_COUNTER_FIELD
717         and TI_VA_LIST_FPR_COUNTER_FIELD.
718         (va_list_gpr_counter_field, va_list_fpr_counter_field): Define.
719         * tree-pass.h (pass_stdarg): Add.
720         * tree-optimize.c (init_tree_optimization_passes): Add pass_stdarg.
721         * tree-stdarg.c: New file.
722         * Makefile.in (OBJS-common): Add tree-stdarg.o.
723         (tree-stdarg.o): Add dependencies.
724         * function.h (struct function): Add va_list_gpr_size and
725         va_list_fpr_size fields.
726         * function.c (allocate_struct_function): Initialize them.
727
728         * config/i386/i386.c (ix86_build_builtin_va_list): Initialize
729         va_list_{g,f}pr_counter_field.
730         (ix86_setup_incoming_varargs): Don't do anything if reg_save
731         area will not be used.  Only save registers that tree-stdarg.c
732         detected they need saving.
733         (ix86_va_start): Don't set up fields that won't be used.
734
735         * config/rs6000/rs6000.c (rs6000_build_builtin_va_list): Initialize
736         va_list_{g,f}pr_counter_field.
737         (setup_incoming_varargs): Don't do anything if reg_save
738         area will not be used.  Only save registers that tree-stdarg.c
739         detected they need saving.
740         (rs6000_va_start): Don't set up fields that won't be used.
741
742 2004-09-30  Eric Christopher  <echristo@redhat.com>
743
744         * dwarf2.h (dwarf_calling_convention): Add enum for renesas
745         sh abi.
746         * dwarf2out.c (add_calling_convention_attribute): New function.
747         (gen_subroutine_type_die): Use.
748         * target-def.h (TARGET_DWARF_CALLING_CONVENTION): New hook.
749         * target.h (gcc_target): Add dwarf_calling_convention.
750         * hooks.c (hook_int_tree_0): New function.
751         * hooks.h: Prototype.
752         * config/sh/sh.c: Include dwarf2.h.
753         (sh_dwarf_calling_convention): New function.
754         (TARGET_DWARF_CALLING_CONVENTION): Use.
755         * doc/tm.texi (TARGET_DWARF_CALLING_CONVENTION): Document.
756
757 2004-09-30  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
758
759         * builtins.c (expand_builtin_strstr, expand_builtin_strchr,
760         expand_builtin_strrchr, expand_builtin_strpbrk,
761         expand_builtin_strncat, expand_builtin_strspn,
762         expand_builtin_strcspn, expand_builtin_fputs): Eliminate duplicate
763         code.
764
765 2004-09-30  Ulrich Weigand  <uweigand@de.ibm.com>
766
767         * config/s390/s390-protos.h (s390_expand_logical_operator): Add
768         prototype.
769         (s390_logical_operator_ok_p): Likewise.
770         * config/s390/s390.c (s390_expand_logical_operator): New function.
771         (s390_logical_operator_ok_p): Likewise.
772         * config/s390/s390.md ("anddi3"): New expander.
773         ("*anddi3"): Rename from old anddi3 pattern, add Q->Q alternative.
774         ("*anddi3_ss", "*anddi3_ss_inv"): Remove.
775         ("andsi3"): Use s390_expand_logical_operator.
776         ("*andsi3_esa", "*andsi3_zarch"): Add Q->Q alternative.
777         ("*andsi3_ss", "*andsi3_ss_inv"): Remove.
778         ("andhi3"): New expander.
779         ("*andhi3_zarch", "*andhi3_esa"): New patterns.
780         ("andhi3", "*andhi3_ni", "*andhi3_ss", "*andhi3_ss_inv"): Remove.
781         ("andqi3"): New expander.
782         ("*andqi3_zarch", "*andqi3_esa"): New patterns.
783         ("andqi3", "*andqi3_ni", "*andqi3_ss", "*andqi3_ss_inv"): Remove.
784         ("iordi3"): New expander.
785         ("*iordi3"): Rename from old iordi3 pattern, add Q->Q alternative.
786         ("*iordi3_ss", "*iordi3_ss_inv"): Remove.
787         ("iorsi3"): Use s390_expand_logical_operator.
788         ("*iorsi3_esa", "*iorsi3_zarch"): Add Q->Q alternative.
789         ("*iorsi3_ss", "*iorsi3_ss_inv"): Remove.
790         ("iorhi3"): New expiorer.
791         ("*iorhi3_zarch", "*iorhi3_esa"): New patterns.
792         ("iorhi3", "*iorhi3_ni", "*iorhi3_ss", "*iorhi3_ss_inv"): Remove.
793         ("iorqi3"): New expiorer.
794         ("*iorqi3_zarch", "*iorqi3_esa"): New patterns.
795         ("iorqi3", "*iorqi3_ni", "*iorqi3_ss", "*iorqi3_ss_inv"): Remove.
796         ("xordi3"): New expander.
797         ("*xordi3"): Rename from old xordi3 pattern, add Q->Q alternative.
798         ("*xordi3_ss", "*xordi3_ss_inv"): Remove.
799         ("xorsi3"): New expander.
800         ("*xorsi3"): Rename from old xorsi3 pattern, add Q->Q alternative.
801         ("*xorsi3_ss", "*xorsi3_ss_inv"): Remove.
802         ("xorhi3"): New expander.
803         ("*xorqi3"): Rename from old xorhi3 pattern, add Q->Q alternative.
804         ("*xorhi3_ss", "*xorhi3_ss_inv"): Remove.
805         ("xorqi3"): New expander.
806         ("*xorqi3"): Rename from old xorqi3 pattern, add Q->Q alternative.
807         ("*xorqi3_ss", "*xorqi3_ss_inv"): Remove.
808
809 2004-09-30  Roger Sayle  <roger@eyesopen.com>
810
811         * combine.c (force_to_mode) <NE_EXPR>: Only convert the expression
812         (AND (NE FOO 0) CONST) into (AND FOO CONST) if FOO has the same
813         machine mode as the result.
814
815 2004-09-30  Ben Elliston  <bje@au.ibm.com>
816
817         PR bootstrap/17761
818         * lcm.c (optimize_mode_switching): Update to use EDGE_SUCC and
819         FOR_EACH_EDGE macros.
820
821 2004-09-30  Joseph S. Myers  <jsm@polyomino.org.uk>
822
823         * c-tree.h (readonly_error): Remove.
824         * c-typeck (enum lvalue_use): New.
825         (lvalue_or_else, readonly_error): Use it.  All callers changed.
826         (readonly_error): Make static.
827
828 2004-09-30  Jan Hubicka  <jh@suse.cz>
829
830         PR debug/13974
831         * cfgrtl.c (try_redirect_by_replacing_jump,
832         force_nonfallthru_and_redirect, commit_one_edge_insertion,
833         cfg_layout_merge_blocks):  Do not attach any line number information
834         to newly inserted instructions.
835         * emit-rtl.c (emit_insn*_before, emit_insn*_after): Rename to
836         emit_insn_*_noloc.
837         (emit_*insn_before, emit_insn*_after): New.
838         (emit_*insn_before_setloc, emit_*insn_after_setloc): Do not overwrite
839         existing locators.
840         * rtl.h (emit_*insn_before_noloc, emit_*insn_after_noloc): Declare.
841         (emit_*insn_before_sameloc, emit_*insn_after_sameloc): Kill.
842
843 2004-09-30  Ulrich Weigand  <uweigand@de.ibm.com>
844
845         * config/s390/s390-protos.h (s390_arg_frame_offset): Remove.
846         (s390_return_address_offset): Remove.
847         (s390_can_eliminate): Add prototype.
848         (s390_initial_elimination_offset): Add prototype.
849         * config/s390/s390.h (CAN_ELIMINATE): Call s390_can_eliminate.
850         (INITIAL_ELIMINATION_OFFSET): Call s390_initial_elimination_offset.
851         * config/s390/s390.c (s390_arg_frame_offset): Remove.
852         (s390_return_address_offset): Remove.
853         (s390_can_eliminate, s390_initial_elimination_offset): New functions.
854         (struct machine_function): New member split_branches_pending_p.
855         (s390_mainpool_start): Allow nonexistant pool insn for empty pool.
856         (s390_mainpool_finish): Likewise.  Clear base_reg if pool empty.
857         (s390_optimize_prologue): Remove base_used argument.  Call
858         s390_update_frame_layout instead of s390_register_info.  Handle
859         prologue/epilogue insns that touch only RETURN_REGNUM.
860         (s390_reorg): Remove base_used.  Clear split_branches_pending_p.
861         (s390_register_info): Remove base_used and return_addr_used
862         arguments, compute special register usage inline.  Return live
863         register data to caller.
864         (s390_frame_info): Remove arguments, do not call s390_register_info.
865         (s390_init_frame_layout): New function.
866         (s390_update_frame_layout): Likewise.
867         (s390_emit_prologue): Call s390_update_frame_layout; some code
868         move to there.  Do not emit pool placeholder insn if unnecessary.
869
870 2004-09-30  Ulrich Weigand  <uweigand@de.ibm.com>
871
872         * config/s390/s390.c (legitimate_reload_constant_p): Remove
873         floating point constant workaround.
874         (s390_secondary_input_reload_class): Handle PLUS reloads
875         with too-large constant.
876         (s390_expand_plus_operand): Likewise.
877         * config/s390/s390.md ("movdi"): Do not call force_const_mem.
878         ("movsi"): Likewise.  Also, remove workaround for non-general
879         operands.
880         ("movdf"): Do not call force_const_mem.
881         ("movsf"): Likewise.  Merge expander with *movsf insn.
882         ("*movsf"): Remove, merge with movsf expander.
883
884 2004-09-30  Paul Brook  <paul@codesourcery.com>
885
886         * config/arm/symbian.h (STARTFILE_SPEC): Remove crt*.o.
887         (ENDFILE_SPEC): Define.
888         * config/arm/t-symbian.h (EXTRA_MULTILIB_PARTS): Set.
889
890 2004-09-30  Richard Henderson  <rth@redhat.com>
891
892         * config/alpha/qrnnd.asm: Mark for noexecstack.
893
894 2004-09-30  Kazu Hirata  <kazu@cs.umass.edu>
895
896         * protoize.c, tree-cfg.c: Fix comment typos.
897
898 2004-09-30  Joseph S. Myers  <jsm@polyomino.org.uk>
899
900         PR c/17730
901         * c-typeck.c (lvalue_or_else): Pass msgid directly to error.
902
903 2004-09-30  Diego Novillo  <dnovillo@redhat.com>
904
905         * tree-ssa-alias.c (collect_points_to_info_r): Move analysis of
906         expressions...
907         (add_pointed_to_expr): ... here.
908         Call add_pointed_to_expr for variables with DECL_INITIAL set.
909         * tree-dfa.c (add_referenced_var): Scan DECL_INITIAL of any
910         pointer variable, if set.
911
912 2004-09-30  Kazu Hirata  <kazu@cs.umass.edu>
913
914         * config/sh/sh.c: Follow spelling conventions.
915
916 2004-09-29  Richard Henderson  <rth@redhat.com>
917
918         * unwind-dw2.c (_Unwind_GetGR): Honor DWARF_ZERO_REG.
919         * doc/tm.texi (DWARF_ZERO_REG): New.
920
921         * config/alpha/alpha.c (alpha_sa_mask, alpha_expand_prologue,
922         alpha_expand_epilogue): Revert 2003-09-30 change to store zero.
923         * config/alpha/alpha.h (DWARF_ZERO_REG): New.
924
925 2004-09-29  Ulrich Weigand  <uweigand@de.ibm.com>
926
927         * builtins.c (expand_builtin_strlen): Do not call emit_move_insn
928         with a PLUS as source operand.
929         (expand_movstr): Likewise.
930         (expand_builtin_stpcpy): Likewise.
931
932 2004-09-29  Richard Henderson  <rth@redhat.com>
933
934         PR 17739
935         * tree-gimple.c (is_gimple_reg): Reject hard registers.
936         (is_gimple_asm_val): New.
937         * tree-gimple.h (is_gimple_asm_val): Declare.
938         * gimplify.c (gimplify_asm_expr): Use it.
939         * tree-pretty-print.c (print_declaration): Dump hard regs.
940         * tree-outof-ssa.c (check_replaceable): Don't check for hard regs.
941         * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Likewise.
942         * tree-ssa-pre.c (is_undefined_value): Likewise.
943         * tree-ssa-copy.c (may_propagate_copy): Likewise.
944         (may_propagate_copy_into_asm): Protect DECL_HARD_REGISTER.
945         * tree-ssa.c (warn_uninit): Likewise.
946         * tree.h (DECL_HARD_REGISTER): Check for VAR_DECL.
947
948 2004-09-29  Fariborz Jahanian <fjahanian@apple.com>
949
950         * c-decl.c (merge_decls): Use comptype when comparing
951         types to decide on DECL_SIZE save of olddecl.
952
953 2004-09-29  Daniel Berlin  <dberlin@dberlin.org>
954
955         * tree.h (INDIRECT_REF_P): New macro.
956         * alias.c (get_alias_set): Use it
957         (nonoverlapping_memrefs_p): Ditto.
958         * emit-rtl.c (mem_expr_equal_p): Ditto.
959         (set_mem_attributes_minus_bitpos): Ditto.
960         (is_gimple_addressable): Ditto.
961         (get_base_address): Ditto.
962         * tree-ssa-alias.c (find_ptr_derefernece): Ditto.
963         * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Ditto.
964         * tree-ssa-dom.c (record_equivalences_from_stmt): Ditto.
965         * tree-ssa-loop-im.c (is_call_clobbered_ref): Ditto.
966         * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Ditto.
967         (add_address_candidates): Ditto.
968         (rewrite_address_base): Ditto.
969
970 2004-09-30  Ben Elliston  <bje@au.ibm.com>
971
972         * tree-flow.h (struct bb_ann_d): Remove num_preds member.
973         * tree-into-ssa.c (rewrite_into_ssa): Don't set it.
974         (rewrite_ssa_into_ssa): Likewise.
975         * tree-phinodes.c (create_phi_node): Access the number of
976         predecessor edges using EDGE_COUNT() and not num_preds.
977
978 2004-09-29  Joseph S. Myers  <jsm@polyomino.org.uk>
979
980         PR c/7425
981         * c-decl.c (merge_decls): Merge TREE_DEPRECATED.
982
983 2004-09-29  Eric Christopher  <echristo@redhat.com>
984
985         * fold-const.c (tree_swap_operands_p): Remove duplicated code.
986
987 2004-09-29  Hans-Peter Nilsson  <hp@axis.com>
988
989         * config/cris/cris.md (moverside, movemside): With MEM, make sure
990         the address is (plus reg mem).
991
992 2004-09-29  David Edelsohn  <edelsohn@gnu.org>
993
994         * config/rs6000/linux64.h (PROCESSOR_DEFAULT): Define.
995
996 2004-09-29  Nathan Sidwell  <nathan@codesourcery.com>
997
998         * tree.c (make_node_stat): Fix uninitialized warning.  Replace
999         cascaded if ... else if with a switch.
1000
1001 2004-09-29  Aaron W. LaFramboise  <aaronavay62@aaronwl.com>
1002
1003         * read-rtl.c (apply_macro_to_string): Replace index with strchr.
1004
1005 2004-09-29  Jakub Jelinek  <jakub@redhat.com>
1006
1007         * tree.h (enum tree_index): Add TI_VA_LIST_GPR_COUNTER_FIELD
1008         and TI_VA_LIST_FPR_COUNTER_FIELD.
1009         (va_list_gpr_counter_field, va_list_fpr_counter_field): Define.
1010         * tree-pass.h (pass_stdarg): Add.
1011         * tree-optimize.c (init_tree_optimization_passes): Add pass_stdarg.
1012         * tree-stdarg.c: New file.
1013         * Makefile.in (OBJS-common): Add tree-stdarg.o.
1014         (tree-stdarg.o): Add dependencies.
1015         * function.h (struct function): Add va_list_gpr_size and
1016         va_list_fpr_size fields.
1017         * function.c (allocate_struct_function): Initialize them.
1018
1019         * config/i386/i386.c (ix86_build_builtin_va_list): Initialize
1020         va_list_{g,f}pr_counter_field.
1021         (ix86_setup_incoming_varargs): Don't do anything if reg_save
1022         area will not be used.  Only save registers that tree-stdarg.c
1023         detected they need saving.
1024         (ix86_va_start): Don't set up fields that won't be used.
1025
1026         * config/rs6000/rs6000.c (rs6000_build_builtin_va_list): Initialize
1027         va_list_{g,f}pr_counter_field.
1028         (setup_incoming_varargs): Don't do anything if reg_save
1029         area will not be used.  Only save registers that tree-stdarg.c
1030         detected they need saving.
1031         (rs6000_va_start): Don't set up fields that won't be used.
1032
1033 2004-09-29  Jakub Jelinek  <jakub@redhat.com>
1034
1035         * builtins.def (BUILT_IN_FPUTC, BUILT_IN_FPUTC_UNLOCKED,
1036         BUILT_IN_FPUTS, BUILT_IN_FPUTS_UNLOCKED, BUILT_IN_FWRITE,
1037         BUILT_IN_FWRITE_UNLOCKED, BUILT_IN_PUTCHAR, BUILT_IN_PUTCHAR_UNLOCKED,
1038         BUILT_IN_PUTS, BUILT_IN_PUTS_UNLOCKED): Remove nothrow attribute.
1039         * builtin-attrs.def (ATTR_NONNULL_1, ATTR_NONNULL_2, ATTR_NONNULL_1_2,
1040         ATTR_NONNULL_1_4): New.
1041
1042 2004-09-29  Jakub Jelinek  <jakub@redhat.com>
1043
1044         PR tree-optimization/17697
1045         * tree-ssa-ccp.c (execute_fold_all_builtins): Update eh and cleanup
1046         cfg if needed.
1047
1048 2004-09-28  Per Bothner  <per@bothner.com>
1049
1050         * profile.c (branch_prob): Pass correct value to output_location,
1051         even when USE_MAPPED_LOCATION.  Fixes bug from 09-11.
1052
1053 2004-09-28  Richard Henderson  <rth@redhat.com>
1054
1055         PR 15089
1056         * tree-ssa-copy.c (may_propagate_copy_into_asm): New.
1057         * tree-flow.h (may_propagate_copy_into_asm): Declare.
1058         * tree-ssa-ccp.c (replace_uses_in): Use it.
1059         * tree-ssa-dom.c (cprop_operand): Likewise.
1060
1061 2004-09-28 Jeff Law  <law@redhat.com>
1062
1063         * tree-ssa-threadupdate.c (create_block_for_threading):  Request
1064         that no outgoing edges be left in the duplicate block.  Do no
1065         update information on outgoing edges or PHI nodes in target
1066         blocks here.
1067         (remove_ctrl_stmt_and_useless_edges): Renamed from
1068         remove_last_stmt_and_useless_edges.  Handle case where the
1069         block is empty or has no control statements.  Do not update edge
1070         flags here.
1071         (thread_block): Create a template block rather than copying the
1072         original block every time.  Create outgoing edges from the
1073         duplicate blocks and update PHIs at the target of the outgoing
1074         edges here.  Fix edge flags for the original block if necessary.
1075         * cfghooks (duplicate_block): No longer assert that the original
1076         block has incoming edges.
1077
1078 2004-09-29  Hans-Peter Nilsson  <hp@bitrange.com>
1079
1080         * doc/extend.texi (Extended Asm): Add blurb about using Explicit
1081         Reg Vars to enforce register allocation with general constraints.
1082         (Explicit Reg Vars): Clarify relation to asm statements.
1083         (Local Reg Vars): Similar.
1084
1085 2004-09-28  Ulrich Weigand  <uweigand@de.ibm.com>
1086
1087         * sched-rgn.c (haifa_edge, edge_table, NEXT_IN, NEXT_OUT, FROM_BLOCK,
1088         TO_BLOCK, nr_edges, in_edges, out_edges, IN_EDGES, OUT_EDGES,
1089         build_control_flow, new_edge): Remove.
1090         (schedule_insns): Remove edge_table/in_edges/out_edges cleanup.
1091         (bitlst, bitlst_table_last, bitlst_table): Remove.
1092         (bblst): Store basic_block pointer instead of block index.
1093         (bblst_table): Likewise.
1094         (edgelst): Store edge pointer instead of edge index.
1095         (edgelst_table, edgelst_last): New variables.
1096         (extract_bitlst): Rename to ...
1097         (extract_edgelst): ... this.  Return edge pointers, not indices.
1098         (split_edges): Update call.
1099         (rgn_edges): Store edge pointers instead of indices.
1100         (edge_to_bit): Remove.
1101         (EDGE_TO_BIT): Store per-region edge index in edge->aux.
1102         (SET_EDGE_TO_BIT): New macro.
1103         (is_cfg_nonregular): Check for simple cases of unreachable blocks.
1104         (find_rgns): Remove edge_list parameter.  Traverse standard CFG
1105         data structures instead of haifa_edge et al.  Use edge pointers
1106         instead of edge indices everywhere.
1107         (compute_dom_prob_ps): Use standard CFG data structures.  Account
1108         for exit edges.
1109         (compute_trg_info): Likewise.
1110         (propagate_deps): Likewise.
1111         (debug_candidate): Account for bblst data structure change.
1112         (check_live_1, update_live_1, is_pfree): Likewise.
1113         (IS_REACHABLE): Use standard CFG data structures.
1114         (init_ready_list): Update bblst_table/edgelst_table allocation.
1115         (schedule_region): Update alloc/cleanup code to data structure
1116         changes.  Use edge->aux to store per-region edge index.
1117         (init_regions): No longer call build_control_flow.  Do not
1118         create edge list any more.
1119
1120 2004-09-28  Ulrich Weigand  <uweigand@de.ibm.com>
1121
1122         * cse.c (cse_insn): Avoid creating direct non-local jumps.
1123         * combine.c (can_combine_p): Likewise.
1124         * local-alloc. (update_equiv_regs): Likewise.
1125
1126 2004-09-28  Richard Henderson  <rth@redhat.com>
1127
1128         PR 17531
1129         * expr.c (expand_expr_addr_expr_1): Only assemble_external for decls.
1130         Don't check VOIDmode here.  Force PLUS operands to common type.
1131         (expand_expr_addr_expr): Do VOIDmode check earlier.  Force use of
1132         Pmode if given a non pointer type.
1133
1134 2004-09-28  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
1135
1136         PR 17531
1137         * optabs.c (expand_binop): Force constants to the correct mode.
1138
1139 2004-09-28  Ulrich Weigand  <uweigand@de.ibm.com>
1140
1141         * config/s390/s390.c (s390_adjust_cost): Remove.
1142         (TARGET_SCHED_ADJUST_COST): Do not redefine.
1143         (s390_adjust_priority): Handle TYPE_STM like TYPE_STORE.
1144         * config/s390/s390.md ("main_pool"): Use "larl" type
1145         attribute if TARGET_CPU_ZARCH.
1146
1147 2004-09-28  Jakub Jelinek  <jakub@redhat.com>
1148
1149         * config/ia64/ia64.c (ia64_expand_prologue): Declare ei
1150         variable.
1151
1152 2004-09-28  Diego Novillo  <dnovillo@redhat.com>
1153
1154         * tree-ssa-loop.c (pass_record_bounds): Do not assign a
1155         name to the pass.
1156
1157 2004-09-28  Steven Bosscher  <stevenb@suse.de>
1158
1159         * common.opt (flag_gcse_sm): Disable by default.
1160         (flag_gcse_las): Likewise.
1161         (flag_web): Likewise.  Create from this file.
1162         * flags.h: Remove flag_web declaration.
1163         * toplev.c (flag_web): Likewise.
1164         (process_options): Never set flag_web.
1165
1166 2004-09-28  Steven Bosscher  <stevenb@suse.de>
1167
1168         * Makefile.in (tree-ssa-propagate.o): Depend on vec.h.
1169         * tree-ssa-propagate.c: Include vec.h.
1170         (interesting_ssa_edges, varying_ssa_edges): Make these VECs
1171         instead of varrays.
1172         (cfg_blocks_add): Assert the block is not already in the worklist.
1173         Update uses of interesting_ssa_edges and varying_ssa_edges.
1174         (process_ssa_edge_worklist, ssa_prop_init, ssa_prop_fini,
1175         ssa_propagate): Likewise.
1176
1177 2004-09-28  Joseph S. Myers  <jsm@polyomino.org.uk>
1178
1179         PR c/16409
1180         * c-decl.c (start_decl): Check for initializing incomplete array
1181         of VLAs.
1182         (build_compound_literal): Check for TYPE being error_mark_node.
1183         * c-parse.in (primary): Check for VLA compound literals.
1184
1185 2004-09-28  Diego Novillo  <dnovillo@redhat.com>
1186
1187         * tree-ssa-live.c (calculate_live_on_entry): Fix warnings
1188         with --disable-checking.
1189
1190 2004-09-28  Devang Patel  <dpatel@apple.com>
1191
1192         * tree-pretty-print.c (dump_generic_node): Print vector types.
1193
1194 2004-09-28  Nick Clifton  <nickc@redhat.com>
1195
1196         * config/sh/sh.h (INIT_CUMULATIVE_ARGS): Replace with an
1197         invocation of the function sh_init_cumulative_args.
1198         (INIT_CUMULATIVE_LIBCALL_ARGS): Likewise.
1199         (INIT_CUMULATIVE_INCOMING_ARGS): Delete.
1200         * config/sh/sh-protos.h: Prototype sh_init_cumulative_args.
1201         * config/sh/sh.c (sh_init_cumulative_args): New function based
1202         on the contents of the old INIT_CUMULATIVE_ARGS macro but with a
1203         heuristic added to determine the setting of force_mem when a
1204         library function is being called.
1205
1206 2004-09-28  Diego Novillo  <dnovillo@redhat.com>
1207
1208         * tree-ssa-loop-im.c (single_reachable_address) <PHI_NODE>:
1209         Skip constant arguments.
1210
1211 2004-09-28  Diego Novillo  <dnovillo@redhat.com>
1212
1213         * tree-ssa-alias.c (create_name_tags): If PTR points to a
1214         volatile type, mark the tag volatile.
1215         (get_tmt_for): If TAG_TYPE is a volatile type, mark the tag
1216         volatile.
1217
1218 2004-09-28  Andrew Pinski  <pinskia@physics.uc.edu>
1219
1220         * tree.def (vec_cond_expr): Fix. Change 'e'
1221         to tcc_expression.
1222
1223 2004-09-28  Kazu Hirata  <kazu@cs.umass.edu>
1224
1225         * basic-block.h: Fix a comment typo.
1226
1227 2004-09-28  Kazu Hirata  <kazu@cs.umass.edu>
1228
1229         * optabs.c, optabs.h: Fix comment typos.
1230
1231 2004-09-28  Eric Botcazou  <ebotcazou@act-europe.fr>
1232
1233         * config/sparc/sparc.md (call_address_struct_value_sp32):
1234         Properly mask the immediate field of the 'unimp' instruction.
1235         (call_symbolic_struct_value_sp32): Likewise.
1236
1237 2004-09-28  Ben Elliston  <bje@au.ibm.com>
1238             Steven Bosscher  <stevenb@suse.de>
1239             Andrew Pinski  <pinskia@physics.uc.edu>
1240
1241         Merge from edge-vector-branch:
1242         * basic-block.h: Include vec.h, errors.h. Instantiate a VEC(edge).
1243         (struct edge_def): Remove pred_next, succ_next members.
1244         (struct basic_block_def): Remove pred, succ members.  Add preds
1245         and succs members of type VEC(edge).
1246         (FALLTHRU_EDGE): Redefine using EDGE_SUCC.
1247         (BRANCH_EDGE): Likewise.
1248         (EDGE_CRITICAL_P): Redefine using EDGE_COUNT.
1249         (EDGE_COUNT, EDGE_I, EDGE_PRED, EDGE_SUCC): New.
1250         (edge_iterator): New.
1251         (ei_start, ei_last, ei_end_p, ei_one_before_end_p): New.
1252         (ei_next, ei_prev, ei_edge, ei_safe_edge): Likewise.
1253         (FOR_EACH_EDGE): New.
1254         * bb-reorder.c (find_traces): Use FOR_EACH_EDGE and EDGE_* macros
1255         where applicable.
1256         (rotate_loop): Likewise.
1257         (find_traces_1_route): Likewise.
1258         (bb_to_key): Likewise.
1259         (connect_traces): Likewise.
1260         (copy_bb_p): Likewise.
1261         (find_rarely_executed_basic_blocks_and_crossing_edges): Likewise.
1262         (add_labels_and_missing_jumps): Likewise.
1263         (fix_up_fall_thru_edges): Likewise.
1264         (find_jump_block): Likewise.
1265         (fix_crossing_conditional_branches): Likewise.
1266         (fix_crossing_unconditional_branches): Likewise.
1267         (add_reg_crossing_jump_notes): Likewise.
1268         * bt-load.c (augment_live_range): Likewise.
1269         * cfg.c (clear_edges): Likewise.
1270         (unchecked_make_edge): Likewise.
1271         (cached_make_edge): Likewise.
1272         (make_single_succ_edge): Likewise.
1273         (remove_edge): Likewise.
1274         (redirect_edge_succ_nodup): Likewise.
1275         (check_bb_profile): Likewise.
1276         (dump_flow_info): Likewise.
1277         (alloc_aux_for_edges): Likewise.
1278         (clear_aux_for_edges): Likewise.
1279         (dump_cfg_bb_info): Likewise.
1280         * cfganal.c (forwarder_block_p): Likewise.
1281         (can_fallthru): Likewise.
1282         (could_fall_through): Likewise.
1283         (mark_dfs_back_edges): Likewise.
1284         (set_edge_can_fallthru_flag): Likewise.
1285         (find_unreachable_blocks): Likewise.
1286         (create_edge_list): Likewise.
1287         (verify_edge_list): Likewise.
1288         (add_noreturn_fake_exit_edges): Likewise.
1289         (connect_infinite_loops_to_exit): Likewise.
1290         (flow_reverse_top_sort_order_compute): Likewise.
1291         (flow_depth_first_order_compute): Likewise.
1292         (flow_preorder_transversal_compute): Likewise.
1293         (flow_dfs_compute_reverse_execute): Likewise.
1294         (dfs_enumerate_from): Likewise.
1295         (compute_dominance_frontiers_1): Likewise.
1296         * cfgbuild.c (make_edges): Likewise.
1297         (compute_outgoing_frequencies): Likewise.
1298         (find_many_sub_basic_blocks): Likewise.
1299         (find_sub_basic_blocks): Likewise.
1300         * cfgcleanup.c (try_simplify_condjump): Likewise.
1301         (thread_jump): Likewise.
1302         (try_forward_edges): Likewise.
1303         (merge_blocks_move): Likewise.
1304         (outgoing_edges_match): Likewise.
1305         (try_crossjump_to_edge): Likewise.
1306         (try_crossjump_bb): Likewise.
1307         (try_optimize_cfg): Likewise.
1308         (merge_seq_blocks): Likewise.
1309         * cfgexpand.c (expand_gimple_tailcall): Likewise.
1310         (expand_gimple_basic_block): Likewise.
1311         (construct_init_block): Likewise.
1312         (construct_exit_block): Likewise.
1313         * cfghooks.c (verify_flow_info): Likewise.
1314         (dump_bb): Likewise.
1315         (delete_basic_block): Likewise.
1316         (split_edge): Likewise.
1317         (merge_blocks): Likewise.
1318         (make_forwarder_block): Likewise.
1319         (tidy_fallthru_edges): Likewise.
1320         (can_duplicate_block_p): Likewise.
1321         (duplicate_block): Likewise.
1322         * cfglayout.c (fixup_reorder_chain): Likewise.
1323         (fixup_fallthru_exit_predecessor): Likewise.
1324         (can_copy_bbs_p): Likewise.
1325         (copy_bbs): Likewise.
1326         * cfgloop.c (flow_loops_cfg_dump): Likewise.
1327         (flow_loop_entry_edges_find): Likewise.
1328         (flow_loop_exit_edges_find): Likewise.
1329         (flow_loop_nodes_find): Likewise.
1330         (mark_single_exit_loops): Likewise.
1331         (flow_loop_pre_header_scan): Likewise.
1332         (flow_loop_pre_header_find): Likewise.
1333         (update_latch_info): Likewise.
1334         (canonicalize_loop_headers): Likewise.
1335         (flow_loops_find): Likewise.
1336         (get_loop_body_in_bfs_order): Likewise.
1337         (get_loop_exit_edges): Likewise.
1338         (num_loop_branches): Likewise.
1339         (verify_loop_structure): Likewise.
1340         (loop_latch_edge): Likewise.
1341         (loop_preheader_edge): Likewise.
1342         * cfgloopanal.c (mark_irreducible_loops): Likewise.
1343         (expected_loop_iterations): Likewise.
1344         * cfgloopmanip.c (remove_bbs): Likewise.
1345         (fix_bb_placement): Likewise.
1346         (fix_irreducible_loops): Likewise.
1347         (remove_path): Likewise.
1348         (scale_bbs_frequencies): Likewise.
1349         (loopify): Likewise.
1350         (unloop): Likewise.
1351         (fix_loop_placement): Likewise.
1352         (loop_delete_branch_edge): Likewise.
1353         (duplicate_loop_to_header_edge): Likewise.
1354         (mfb_keep_just): Likewise.
1355         (create_preheader): Likewise.
1356         (force_single_succ_latches): Likewise.
1357         (loop_split_edge_with): Likewise.
1358         (create_loop_notes): Likewise.
1359         * cfgrtl.c (rtl_split_block): Likewise.
1360         (rtl_merge_blocks): Likewise.
1361         (rtl_can_merge_blocks): Likewise.
1362         (try_redirect_by_replacing_jump): Likewise.
1363         (force_nonfallthru_and_redirect): Likewise.
1364         (rtl_tidy_fallthru_edge): Likewise.
1365         (commit_one_edge_insertion): Likewise.
1366         (commit_edge_insertions): Likewise.
1367         (commit_edge_insertions_watch_calls): Likewise.
1368         (rtl_verify_flow_info_1): Likewise.
1369         (rtl_verify_flow_info): Likewise.
1370         (purge_dead_edges): Likewise.
1371         (cfg_layout_redirect_edge_and_branch): Likewise.
1372         (cfg_layout_can_merge_blocks_p): Likewise.
1373         (rtl_flow_call_edges_add): Likewise.
1374         * cse.c (cse_cc_succs): Likewise.
1375         * df.c (hybrid_search): Likewise.
1376         * dominance.c (calc_dfs_tree_nonrec): Likewise.
1377         (calc_dfs_tree): Likewise.
1378         (calc_idoms): Likewise.
1379         (recount_dominator): Likewise.
1380         * domwalk.c (walk_dominator_tree): Likewise.
1381         * except.c (emit_to_new_bb_before): Likewise.
1382         (connect_post_landing_pads): Likewise.
1383         (sjlj_emit_function_enter): Likewise.
1384         (sjlj_emit_function_exit): Likewise.
1385         (finish_eh_generation): Likewise.
1386         * final.c (compute_alignments): Likewise.
1387         * flow.c (calculate_global_regs_live): Likewise.
1388         (initialize_uninitialized_subregs): Likewise.
1389         (init_propagate_block_info): Likewise.
1390         * function.c (thread_prologue_and_epilogue_insns): Likewise.
1391         * gcse.c (find_implicit_sets): Likewise.
1392         (bypass_block): Likewise.
1393         (bypass_conditional_jumps): Likewise.
1394         (compute_pre_data): Likewise.
1395         (insert_insn_end_bb): Likewise.
1396         (insert_store): Likewise.
1397         (remove_reachable_equiv_notes): Likewise.
1398         * global.c (global_conflicts): Likewise.
1399         (calculate_reg_pav): Likewise.
1400         * graph.c (print_rtl_graph_with_bb): Likewise.
1401         * ifcvt.c (mark_loop_exit_edges): Likewise.
1402         (merge_if_block): Likewise.
1403         (find_if_header): Likewise.
1404         (block_jumps_and_fallthru_p): Likewise.
1405         (find_if_block): Likewise.
1406         (find_cond_trap): Likewise.
1407         (block_has_only_trap): Likewise.
1408         (find_if_case1): Likewise.
1409         (find_if_case_2): Likewise.
1410         * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Likewise.
1411         (perfect_nestify): Likewise.
1412         * lcm.c (compute_antinout_edge): Likewise.
1413         (compute_laterin): Likewise.
1414         (compute_available): Likewise.
1415         (compute_nearerout): Likewise.
1416         * loop-doloop.c (doloop_modify): Likewise.
1417         * loop-init.c (loop_optimizer_init): Likewise.
1418         * loop-invariant.c (find_exits): Likewise.
1419         * loop-iv.c (simplify_using_initial_values): Likewise.
1420         (check_simple_exit): Likewise.
1421         (find_simple_exit): Likewise.
1422         * loop-unroll.c (peel_loop_completely): Likewise.
1423         (unroll_loop_constant_iterations): Likewise.
1424         (unroll_loop_runtime_iterations): Likewise.
1425         * loop-unswitch.c (may_unswitch_on): Likewise.
1426         (unswitch_loop): Likewise.
1427         * modulo-sched.c (generate_prolog_epilog): Likewise.
1428         (sms_schedule): Likewise.
1429         * postreload-gcse.c (eliminate_partially_redundant_load):
1430         Likewise.
1431         * predict.c (can_predict_insn_p): Likewise.
1432         (set_even_probabilities): Likewise.
1433         (combine_predictions_for_bb): Likewise.
1434         (predict_loops): Likewise.
1435         (estimate_probability): Likewise.
1436         (tree_predict_by_opcode): Likewise.
1437         (tree_estimate_probability): Likewise.
1438         (last_basic_block_p): Likewise.
1439         (propagate_freq): Likewise.
1440         (estimate_loops_at_level): Likewise.
1441         (estimate_bb_frequencies): Likewise.
1442         * profile.c (instrument_edges): Likewise.
1443         (get_exec_counts): Likewise.
1444         (compute_branch_probabilities): Likewise.
1445         (branch_prob): Likewise.
1446         * ra-build.c (live_in): Likewise.
1447         * ra-rewrite.c (rewrite_program2): Likewise.
1448         * ra.c (reg_alloc): Likewise.
1449         * reg-stack.c (reg_to_stack): Likewise.
1450         (convert_regs_entry): Likewise.
1451         (compensate_edge): Likewise.
1452         (convert_regs_1): Likewise,
1453         (convert_regs_2): Likewise.
1454         (convert_regs): Likewise.
1455         * regrename.c (copyprop_hardreg_forward): Likewise.
1456         * reload1.c (fixup_abnormal_edges): Likewise.
1457         * sbitmap.c (sbitmap_intersection_of_succs): Likewise.
1458         (sbitmap_insersection_of_preds): Likewise.
1459         (sbitmap_union_of_succs): Likewise.
1460         (sbitmap_union_of_preds): Likewise.
1461         * sched-ebb.c (compute_jump_reg_dependencies): Likewise.
1462         (fix_basic_block_boundaries): Likewise.
1463         (sched_ebbs): Likewise.
1464         * sched-rgn.c (build_control_flow): Likewise.
1465         (find_rgns): Likewise.
1466         * tracer.c (find_best_successor): Likewise.
1467         (find_best_predecessor): Likewise.
1468         (tail_duplicate): Likewise.
1469         * tree-cfg.c (make_edges): Likewise.
1470         (make_ctrl_stmt_edges): Likewise.
1471         (make_goto_expr_edges): Likewise.
1472         (tree_can_merge_blocks_p): Likewise.
1473         (tree_merge_blocks): Likewise.
1474         (cfg_remove_useless_stmts_bb): Likewise.
1475         (remove_phi_nodes_and_edges_for_unreachable_block): Likewise.
1476         (tree_block_forwards_to): Likewise.
1477         (cleanup_control_expr_graph): Likewise.
1478         (find_taken_edge): Likewise.
1479         (dump_cfg_stats): Likewise.
1480         (tree_cfg2vcg): Likewise.
1481         (disband_implicit_edges): Likewise.
1482         (tree_find_edge_insert_loc): Likewise.
1483         (bsi_commit_edge_inserts): Likewise.
1484         (tree_split_edge): Likewise.
1485         (tree_verify_flow_info): Likewise.
1486         (tree_make_forwarder_block): Likewise.
1487         (tree_forwarder_block_p): Likewise.
1488         (thread_jumps): Likewise.
1489         (tree_try_redirect_by_replacing_jump): Likewise.
1490         (tree_split_block): Likewise.
1491         (add_phi_args_after_copy_bb): Likewise.
1492         (rewrite_to_new_ssa_names_bb): Likewise.
1493         (dump_function_to_file): Likewise.
1494         (print_pred_bbs): Likewise.
1495         (print_loop): Likewise.
1496         (tree_flow_call_edges_add): Likewise.
1497         (split_critical_edges): Likewise.
1498         (execute_warn_function_return): Likewise.
1499         (extract_true_false_edges_from_block): Likewise.
1500         * tree-if-conv.c (tree_if_conversion): Likewise.
1501         (if_convertable_bb_p): Likewise.
1502         (find_phi_replacement_condition): Likewise.
1503         (combine_blocks): Likewise.
1504         * tree-into-ssa.c (compute_global_livein): Likewise.
1505         (ssa_mark_phi_uses): Likewise.
1506         (ssa_rewrite_initialize_block): Likewise.
1507         (rewrite_add_phi_arguments): Likewise.
1508         (ssa_rewrite_phi_arguments): Likewise.
1509         (insert_phi_nodes_for): Likewise.
1510         (rewrite_into_ssa): Likewise.
1511         (rewrite_ssa_into_ssa): Likewise.
1512         * tree-mudflap.c (mf_build_check_statement_for): Likewise.
1513         * tree-outof-ssa.c (coalesce_abnormal_edges): Likewise.
1514         (rewrite_trees): Likewise.
1515         * tree-pretty-print.c (dump_bb_header): Likewise.
1516         (dump_implicit_edges): Likewise.
1517         * tree-sra.c (insert_edge_copies): Likewise.
1518         (find_obviously_necessary_stmts): Likewise.
1519         (remove_data_stmt): Likewise.
1520         * tree-ssa-dom.c (thread_across_edge): Likewise.
1521         (dom_opt_finalize_block): Likewise.
1522         (single_incoming_edge_ignoring_loop_edges): Likewise.
1523         (record_equivalences_from_incoming_edges): Likewise.
1524         (cprop_into_successor_phis): Likewise.
1525         * tree-ssa-live.c (live_worklist): Likewise.
1526         (calculate_live_on_entry): Likewise.
1527         (calculate_live_on_exit): Likewise.
1528         * tree-ssa-loop-ch.c (should_duplicate_loop_header_p): Likewise.
1529         (copy_loop_headers): Likewise.
1530         * tree-ssa-loop-im.c (loop_commit_inserts): Likewise.
1531         (fill_always_executed_in): Likewise.
1532         * tree-ssa-loop-ivcanon.c (create_canonical_iv): Likewise.
1533         * tree-ssa-loop-ivopts.c (find_interesting_uses): Likewise.
1534         (compute_phi_arg_on_exit): Likewise.
1535         * tree-ssa-loop-manip.c (add_exit_phis_edge): Likewise.
1536         (get_loops_exit): Likewise.
1537         (split_loop_exit_edge): Likewise.
1538         (ip_normal_pos): Likewise.
1539         * tree-ssa-loop-niter.c (simplify_using_initial_conditions):
1540         Likewise.
1541         * tree-ssa-phiopt.c (candidate_bb_for_phi_optimization): Likewise.
1542         (replace_phi_with_stmt): Likewise.
1543         (value_replacement): Likewise.
1544         * tree-ssa-pre.c (compute_antic_aux): Likewise.
1545         (insert_aux): Likewise.
1546         (init_pre): Likewise.
1547         * tree-ssa-propagate.c (simulate_stmt): Likewise.
1548         (simulate_block): Likewise.
1549         (ssa_prop_init): Likewise.
1550         * tree-ssa-threadupdate.c (thread_block): Likewise.
1551         (create_block_for_threading): Likewise.
1552         (remove_last_stmt_and_useless_edges): Likewise.
1553         * tree-ssa.c (verify_phi_args): Likewise.
1554         (verify_ssa): Likewise.
1555         * tree_tailcall.c (independent_of_stmt_p): Likewise.
1556         (find_tail_calls): Likewise.
1557         (eliminate_tail_call): Likewise.
1558         (tree_optimize_tail_calls_1): Likewise.
1559         * tree-vectorizer.c (vect_transform_loop): Likewise.
1560         * var-tracking.c (prologue_stack_adjust): Likewise.
1561         (vt_stack_adjustments): Likewise.
1562         (vt_find_locations): Likewise.
1563         * config/frv/frv.c (frv_ifcvt_modify_tests): Likewise.
1564         * config/i386/i386.c (ix86_pad_returns): Likewise.
1565         * config/ia64/ia64.c (ia64_expand_prologue): Likewise.
1566         * config/rs6000/rs6000.c (rs6000_emit_prologue): Likewise.
1567
1568 2004-09-28  Eric Botcazou  <ebotcazou@libertysurf.fr>
1569
1570         PR target/16532
1571         * config/sparc/sparc.c (struct machine_function): New field
1572         'leaf_function_p' and 'prologue_data_valid_p'.
1573         (sparc_leaf_function_p, sparc_prologue_data_valid_p): New macro
1574         to conveniently access the above fields.
1575         (TARGET_LATE_RTL_PROLOGUE_EPILOGUE): Delete.
1576         (eligible_for_return_delay): Use 'sparc_leaf_function_p' instead
1577         of the generic flavor 'current_function_uses_only_leaf_regs'.
1578         (eligible_for_sibcall_delay): Likewise.
1579         (sparc_expand_prologue): Compute 'sparc_leaf_function_p' and set
1580         'sparc_prologue_data_valid_p'.  Use 'sparc_leaf_function_p'.
1581         (sparc_asm_function_prologue): Add sanity check for the assumption
1582         made in 'sparc_expand_prologue'.  Use 'sparc_leaf_function_p'.
1583         (sparc_can_use_return_insn_p): New function.
1584         (sparc_expand_epilogue): Use 'sparc_leaf_function_p'.
1585         (output_restore): Likewise.
1586         (output_sibcall): Likewise.
1587         (sparc_output_mi_thunk): Likewise.
1588         * config/sparc/sparc-protos.h (sparc_can_use_return_insn_p): Declare.
1589         * config/sparc/sparc.md (return): New expander.
1590
1591         * config/sparc/sparc.h (INITIAL_ELIMINATION_OFFSET): Minor tweak.
1592
1593 2004-09-27  Mark Mitchell  <mark@codesourcery.com>
1594
1595         PR c++/17642
1596         * stor-layout.c (layout_decl): Use fold_convert, not convert.
1597         (bit_from_pos): Likewise.
1598         (byte_from_pos): Likewise.
1599         (pos_from_bit): Likewise.
1600         (normalize_offset): Likewise.
1601         (place_field): Likewise.
1602         (finalize_type_size): Likewise.
1603         (layout_type): Likewise.
1604         * tree.c (build_index_type): Likewise.
1605
1606 2004-09-27  Devang Patel  <dpatel@apple.com>
1607
1608         * expr.c (expand_expr_real_1): Handle VEC_COND_EXPR.
1609         * genopinit.c (optabs): New entry for vcond_gen_code and
1610         vcondu_gen_code.
1611         * optabs.c (vcond_gen_code, vcondu_gen_code): New optabs.
1612         (get_rtx_code): New function.
1613         (vector_compare_rtx): New function.
1614         (init_optabs): Initialize vcond_gen_code and vcondu_gen_code.
1615         (expand_vec_cond_expr_p): New function.
1616         (expand_vec_cond_expr): New function.
1617         (get_vcond_icode): New function.
1618         * optabs.h (expand_vec_cond_expr, expand_vec_cond_expr_p): New externs.
1619         (vcond_gen_code, vcondu_gen_code): Same.
1620
1621 2004-09-27  Kelley Cook  <kcook@gcc.gnu.org>
1622
1623         * Makefile.in (STAGESTUFF): Split into ...
1624         (STAGECOPYSTUFF, STAGEMOVESTUFF): ... these.
1625         (mostlyclean): Update.
1626         (stage1-start, stage2-start, stage3-start, stage4-start,
1627         stageprofile-start, stagefeedback-start): Copy the STAGECOPYSTUFF.
1628         Move the STAGEMOVESTUFF.
1629
1630 2004-09-27  Eric Botcazou  <ebotcazou@libertysurf.fr>
1631
1632         * system.h (getpagesize): Return 'int' instead of 'long'.
1633
1634 2004-09-27  Michael Matz <matz@suse.de>
1635
1636         PR bootstrap/17698
1637         PR bootstrap/17702
1638         * bitmap.h (bmp_iter_single_init, bmp_iter_and_not_init,
1639         bmp_iter_and_init): Shift by bit_in_word.
1640
1641 2004-09-27  Kelley Cook  <kcook@gcc.gnu.org>
1642
1643         * aclocal.m4: Quote m4_includes. Include ../config/gcc-lib-path.m4.
1644         * configure.ac: Don't sinclude it here.
1645         * configure: Regenerate.
1646
1647 2004-09-27  Dorit Naishlos  <dorit@il.ibm.com>
1648
1649         * config/rs6000/rs6000.c (rs6000_legitimate_address, print_operand):
1650         Handle AND pattern
1651
1652 2004-09-27  Joseph S. Myers  <jsm@polyomino.org.uk>
1653
1654         PR c/13804
1655         * c-typeck.c (build_component_ref): Name type involved in
1656         diagnostic for structure or union without a member of the given
1657         name.
1658
1659 2004-09-27  DJ Delorie  <dj@redhat.com>
1660
1661         * config/stormy16/stormy16.c (xstormy16_asm_output_aligned_common):
1662         .comm alignment is bytes, not bits.
1663
1664 2004-09-27  Devang Patel  <dpatel@apple.com>
1665
1666         * tree-pretty-print.c (dump_generic_node): Print VEC_COND_EXPR.
1667         (print_call_name): Do not print VEC_COND_EXPR.
1668
1669 2004-09-27  Devang Patel  <dpatel@apple.com>
1670
1671         * tree-pretty-print.c (dump_generic_node): Print VEC_COND_EXPR.
1672
1673 2004-09-27  Jan Hubicka  <jh@suse.cz>
1674
1675         * i386.c (athlon_cost, k8_cost): Set BRANCH_COST to 5.
1676
1677 2004-09-27  Kazu Hirata  <kazu@cs.umass.edu>
1678
1679         * bitmap.h: Fix a comment typo.
1680
1681 2004-09-27  Aaron W. LaFramboise <aaronraolete36@aaronwl.com>
1682
1683         * libgcc2.c (getpagesize): Change type of return value to int.
1684
1685 2004-09-26  Matt Austern  <austern@apple.com>
1686
1687         * ggc-page.c (GGC_QUIRE_SIZE): Bump up from 16 to 256 if we're
1688         using mmap.
1689
1690 2004-09-26  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
1691
1692         * bitmap.h (EXECUTE_IF_SET_IN_BITMAP, EXECUTE_IF_AND_COMPL_IN_BITMAP,
1693         EXECUTE_IF_AND_IN_BITMAP): Changed to iterator style.
1694         (bitmap_iterator): New type.
1695         (bmp_iter_common_next_1, bmp_iter_single_next_1, bmp_iter_single_init,
1696         bmp_iter_end_p, bmp_iter_single_next, bmp_iter_and_not_next_1,
1697         bmp_iter_and_not_init, bmp_iter_and_not_next, bmp_iter_and_next_1,
1698         bmp_iter_and_init, bmp_iter_and_next): New functions.
1699         * basic-block.h (EXECUTE_IF_SET_IN_REG_SET,
1700         EXECUTE_IF_AND_COMPL_IN_REG_SET, EXECUTE_IF_AND_IN_REG_SET): Changed to
1701         use iterator-style EXECUTE_IF_IN_BITMAP macros.
1702         * bitmap.c (bitmap_print): Ditto.
1703         * bt-load.c (clear_btr_from_live_range, add_btr_to_live_range,
1704         btr_def_live_range): Ditto.
1705         * cfganal.c (compute_dominance_frontiers_1) Ditto.
1706         * cgraphunit.c (convert_UIDs_in_bitmap, cgraph_characterize_statics):
1707         Ditto.
1708         * ddg.c (build_inter_loop_deps): Ditto.
1709         * df.c (FOR_EACH_BB_IN_BITMAP, df_bb_reg_info_compute, df_refs_update):
1710         Ditto.
1711         * except.c (remove_eh_handler): Ditto.
1712         * flow.c (reg_set_to_hard_reg_set): Ditto.
1713         * gcse.c (clear_modify_mem_tables): Ditto.
1714         * global.c (build_insn_chain): Ditto.
1715         * ifcvt.c (dead_or_predicable): Ditto.
1716         * loop-invariant.c (get_inv_cost, set_move_mark, move_invariant_reg):
1717         Ditto.
1718         * ra-build.c (livethrough_conflicts_bb, conflicts_between_webs): Ditto.
1719         * ra-rewrite.c (reloads_to_loads, rewrite_program2,
1720         detect_web_parts_to_rebuild, delete_useless_defs, actual_spill): Ditto.
1721         * tree-cfg.c (allocate_ssa_names, tree_duplicate_sese_region,
1722         tree_purge_all_dead_eh_edges): Ditto.
1723         * tree-into-ssa.c (compute_global_livein, insert_phi_nodes,
1724         insert_phi_nodes_for, debug_def_blocks_r, invalidate_name_tags,
1725         rewrite_ssa_into_ssa): Ditto.
1726         * tree-outof-ssa.c (find_replaceable_exprs): Ditto.
1727         * tree-sra.c (scan_function, decide_instantiations, scalarize_parms):
1728         Ditto.
1729         * tree-ssa-alias.c (init_alias_info, compute_points_to_and_addr_escape,
1730         compute_flow_sensitive_aliasing, maybe_create_global_var,
1731         dump_points_to_info_for): Ditto.
1732         * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Ditto.
1733         * tree-ssa-dse.c (dse_finalize_block): Ditto.
1734         * tree-ssa-live.c (live_worklist, calculate_live_on_entry,
1735         calculate_live_on_exit, build_tree_conflict_graph, dump_live_info):
1736         Ditto.
1737         * tree-ssa-loop-ivopts.c (find_induction_variables,
1738         find_interesting_uses, add_old_ivs_candidates, alloc_use_cost_map,
1739         determine_use_iv_costs, determine_set_costs, find_best_candidate,
1740         set_cost_up_to, create_new_ivs, remove_unused_ivs, free_loop_data):
1741         Ditto.
1742         * tree-ssa-loop-manip.c (add_exit_phis_var, add_exit_phis): Ditto.
1743         * tree-ssa-operands.c (get_asm_expr_operands, add_call_clobber_ops,
1744         add_call_read_ops): Ditto.
1745         * tree-ssa-pre.c (bitmap_print_value_set, insert_aux): Ditto.
1746
1747 2004-09-26  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1748
1749         * pa.c (print_operand): Use non-trapping completers for UNLE, UNLT,
1750         UNGE, UNGT, UNEQ, UNORDERED and ORDERED comparisons.
1751
1752 2004-09-26  Ulrich Weigand  <uweigand@de.ibm.com>
1753
1754         * builtins.c (expand_builtin_memcmp): Adjust MEM_SIZE to
1755         reflect size of memory regions being compared.
1756
1757 2004-09-26  Ulrich Weigand  <uweigand@de.ibm.com>
1758
1759         * builtins.c (get_memory_rtx): Set mem attributes for non-ADDR_EXPR
1760         expressions.  Always clear MEM_SIZE and alias set.
1761
1762 2004-09-26  Roger Sayle  <roger@eyesopen.com>
1763             Giovanni Bajo  <giovannibajo@gcc.gnu.org>
1764
1765         PR middle-end/17112
1766         * stor-layout.c (compute_record_mode): For records with a single
1767         field, only use the field's mode if its size matches what we'd
1768         have choosen for the record ourselves.  This forces the use of
1769         BLKmode for packed records that don't completely fill a mode.
1770
1771 2004-09-26  Roger Sayle  <roger@eyesopen.com>
1772
1773         PR middle-end/17151
1774         * combine.c (force_to_mode): Remove dubious early return test that
1775         inhibits further optimization.
1776
1777 2004-09-26  Kazu Hirata  <kazu@cs.umass.edu>
1778
1779         * profile.c: Fix a comment typo.
1780
1781 2004-09-26  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
1782
1783         PR bootstrap/17591
1784         * tree-ssa-loop-im.c (for_each_index): Call callback for component_refs
1785         with varying offset.
1786         * tree-ssa-loop-ivopts.c (abnormal_ssa_name_p): New function.
1787         (idx_contains_abnormal_ssa_name_p): Scan step and lower bound for
1788         ARRAY_REFS.
1789         (expr_invariant_in_loop_p): New function.
1790         (idx_find_step): Handle step and lower bound for ARRAY_REFs.  Handle
1791         component_ref_field_offset for COMPONENT_REFs.  Do not allow
1792         ALIGN_INDIRECT_REFs and MISALIGNED_INDIRECT_REFs.
1793         (add_address_candidates): Do not handle ALIGN_INDIRECT_REFs and
1794         MISALIGNED_INDIRECT_REFs.
1795         (idx_remove_ssa_names): Handle step and lower bound for ARRAY_REFs.
1796         (rewrite_address_base): Do not handle ALIGN_INDIRECT_REFs and
1797         MISALIGNED_INDIRECT_REFs.
1798
1799 2004-09-26  Joseph S. Myers  <jsm@polyomino.org.uk>
1800
1801         PR c/11459
1802         * gcc.c (cpp_options, cc1_options): Preserve relative order of
1803         -std and -ansi options.
1804
1805 2004-09-26  Jan Hubicka  <jh@suse.cz>
1806
1807         * dwarf2out.c (dwarf2out_finish): Set parent to comp_unit_die
1808         for nested functions whose proper parent has not been output.
1809
1810         * profile.c (compute_branch_probabilities): Use REG_BR_PROB notes
1811         when re-constructing profile previously invalidated by loop.
1812
1813 2004-09-25  Dale Johannesen  <dalej@apple.com>
1814
1815         * tree-gimple.c:  Move GIMPLE definition...
1816         * doc/tree-ssa.texi:  here.
1817
1818 2004-09-25  Kazu Hirata  <kazu@cs.umass.edu>
1819
1820         * tree-vectorizer.c: Fix a comment typo.
1821
1822 2004-09-25  Kazu Hirata  <kazu@cs.umass.edu>
1823
1824         * c-typeck.c, defaults.h, dwarf.h, dwarf2out.c, fold-const.c,
1825         gthr-dce.h, gthr-posix.h, gthr-solaris.h, gthr-win32.h,
1826         lambda-code.c, lambda-mat.c, libgcc2.c, stmt.c,
1827         tree-ssa-pre.c, tree-vn.c, tree.h: Fix comment formatting.
1828
1829 2004-09-25  Kazu Hirata  <kazu@cs.umass.edu>
1830
1831         * tree-ssa-loop-unswitch.c: Fix a comment typo.
1832
1833 2004-09-25  Kazu Hirata  <kazu@cs.umass.edu>
1834
1835         * doc/passes.texi: Fix a typo.
1836
1837 2004-09-25  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
1838
1839         * tree-optimize.c (init_tree_optimization_passes): Add
1840         pass_record_bounds.
1841         * tree-pass.h (pass_record_bounds): Declare.
1842         * tree-ssa-loop.c (tree_ssa_loop_bounds, pass_record_bounds):
1843         New pass.
1844
1845 2004-09-25  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
1846
1847         PR tree-optimization/17474
1848         * tree-ssa-ccp.c (maybe_fold_offset_to_component_ref): Determine
1849         offset of the field correctly when DECL_FIELD_BIT_OFFSET != 0.
1850
1851 2004-09-25  Jan Hubicka  <jh@suse.cz>
1852
1853         * predict.c (counts_to_freqs): Make global.
1854         * predict.h (counts_to_freqa): Declare.
1855         * profile.c (compute_branch_probabilities): Compute frequencies
1856         * tree-profile.c (do_tree_profiling): Refine conditional on when
1857         tree profiling pass is needed.
1858
1859         * passes.c (rest_of_handle_cfg): Disable const/pure function
1860         detection when doing tree based profiling.
1861
1862         * tree-inline.c (expand_call_inline): Fix incorrectly reversed
1863         conditional.
1864
1865 2004-09-25  Richard Sandiford  <rsandifo@redhat.com>
1866
1867         * config/mips/mips.h (struct mips_args): Clarify comments.
1868         * config/mips/mips.c (struct mips_arg_info): Likewise.
1869         (mips_arg_info): Don't allow fpr_p to affect the register or
1870         stack alignment.  Remove o64 silliness.
1871         (function_arg): Deal with the o32 float,float case specially.
1872
1873 2004-09-25  Richard Sandiford  <rsandifo@redhat.com>
1874
1875         * config/mips/mips.md (loadx, storex): Define for V2SF.
1876
1877 2004-09-25  Ulrich Weigand  <uweigand@de.ibm.com>
1878
1879         * config/s390/s390-protos.h (s390_back_chain_rtx): Add prototype.
1880         * config/s390/s390.c (s390_back_chain_rtx): New function.
1881         * config/s390/s390.md ("allocate_stack"): Use s390_back_chain_rtx.
1882         Call anti_adjust_stack.
1883         ("restore_stack_block"): Use s390_back_chain_rtx.  Enable pattern
1884         only if compiling with back chain.
1885         ("save_stack_nonlocal", "restore_stack_nonlocal"): Save/restore
1886         back chain only if back chain enabled.  Use s390_back_chain_rtx.
1887
1888 2004-09-25  Joseph S. Myers  <jsm@polyomino.org.uk>
1889
1890         * doc/trouble.texi: Remove obsolete information.  Update
1891         information on how to regenerate fixincluded headers.
1892
1893 2004-09-25  Joseph S. Myers  <jsm@polyomino.org.uk>
1894
1895         PR c/12951
1896         * doc/invoke.texi: Document that
1897         -Wno-error-implicit-function-declaration is not accepted.
1898
1899 2004-09-24  Richard Henderson  <rth@redhat.com>
1900
1901         * config/alpha/alpha.h (UNITS_PER_SIMD_WORD): New.
1902         * config/alpha/alpha.c (alpha_vector_mode_supported_p): Don't depend
1903         on TARGET_MAX.
1904         (alpha_expand_mov): Allow unaligned vectors.
1905         (alpha_expand_unaligned_store): Use CONST0_RTX.
1906         (TARGET_VECTORIZE_MISALIGNED_MEM_OK): New.
1907
1908 2004-09-24 Jeff Law  <law@redhat.com>
1909
1910         * tree-ssa-dom.c (dom_opt_finalize_block): Fix violation of strict
1911         aliasing rules.
1912         (simplify_cond_and_lookup_avail_expr): Likewise.
1913
1914 2004-09-24  Joseph S. Myers  <jsm@polyomino.org.uk>
1915
1916         PR c/12802
1917         * doc/extend.texi (Unnamed Fields): Remove "." from end of long
1918         title.  Document interaction with -fms-extensions.
1919         * doc/invoke.texi (-fms-extensions): Refer to Unnamed Fields
1920         section.
1921
1922 2004-09-24  Joseph S. Myers  <jsm@polyomino.org.uk>
1923
1924         PR c/12713
1925         * doc/extend.texi: Document interaction of attribute noreturn and
1926         longjmp.
1927
1928 2004-09-24  Richard Henderson  <rth@redhat.com>
1929
1930         PR rtl-opt/17503
1931         * regclass.c (subregs_of_mode): Turn into an htab.  Make static.
1932         (som_hash, som_eq): New.
1933         (init_subregs_of_mode, record_subregs_of_mode): New.
1934         (cannot_change_mode_set_regs): Rewrite for htab implementation.
1935         (invalid_mode_change_p): Likewise.
1936         * combine.c (gen_lowpart_for_combine): Use record_subregs_of_mode.
1937         * flow.c (mark_used_regs): Likewise.
1938         (life_analysis): Use init_subregs_of_mode.
1939         * regs.h (subregs_of_mode): Remove.
1940         * rtl.h (init_subregs_of_mode, record_subregs_of_mode): Declare.
1941
1942 2004-09-24  Andrew Pinski  <pinskia@physics.uc.edu>
1943
1944         * tree-ssa-phiopt.c (conditional_replacement): Use the correct
1945         type with the copy of the conditional.
1946
1947 2004-09-24  Andrew Pinski  <pinskia@physics.uc.edu>
1948
1949         PR tree-opt/16954
1950         * tree-ssa-copyrename.c (copy_rename_partition_coalesce):
1951         Prevent renaming if the aliasing sets of the type which the
1952         pointer points to are different.
1953
1954 2004-09-24  Joseph S. Myers  <jsm@polyomino.org.uk>
1955
1956         PR c/17188
1957         * c-decl.c (diagnose_mismatched_decls): Check for duplicate
1958         declarations of enumerators.
1959         (start_struct): Check TYPE_SIZE rather than TYPE_FIELDS to check
1960         for redefinition.  Check for nested redefinition.
1961         (finish_struct): Don't check for nested redefinition.
1962         (start_enum): Check for nested redefinition.
1963
1964 2004-09-24  Devang Patel  <dpatel@apple.com>
1965
1966         * tree-if-conv.c (tree_if_convert_cond_expr0: Create temp. variable
1967         only when necesssary.
1968         (combine_blocks): Combine loop header and exit block.
1969
1970 2004-09-24  Paolo Bonzini  <bonzini@gnu.org>
1971
1972         * hooks.c (hook_tree_tree_bool_null): New.
1973         * hooks.h (hook_tree_tree_bool_null): Declare it.
1974         * target-def.c (TARGET_FOLD_BUILTIN): Point to it.
1975         * targhooks.c (default_fold_builtin): Remove.
1976         * targhooks.h (default_fold_builtin): Remove.
1977
1978 2004-09-24  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
1979
1980         PR rtl-optimization/17625
1981         * loop-doloop.c (doloop_modify): Unshare rtl before emitting it.
1982
1983 2004-09-24  Andrew Pinski  <pinskia@physics.uc.edu>
1984
1985         PR tree-opt/17624
1986         * tree-ssa-forwprop.c (record_single_argument_cond_exprs):
1987         Reject if any of the operands occur in an abnormal PHI.
1988
1989 2004-09-24  Andreas Schwab  <schwab@suse.de>
1990
1991         * tree-ssa-dom.c (record_range): Fix violation of strict aliasing
1992         rules.
1993
1994 2004-09-24  Eric Botcazou  <ebotcazou@libertysurf.fr>
1995
1996         * config.gcc (sparc64-*-solaris2*): Include sparc/sol2-gas.h
1997         if the GNU assembler is used.
1998         (sparc-*-solaris2*): Likewise.
1999         * dbxout.c (NO_DBX_BNSYM_ENSYM): Default to zero.
2000         (dbxout_function_end): Protect N_ENSYM with it.
2001         (dbxout_begin_prologue): Protect N_BNSYM with it.
2002         * doc/tm.texi (NO_DBX_BNSYM_ENSYM): Document it.
2003         * config/sparc/sol2.h (NO_DBX_BNSYM_ENSYM): Define to 1.
2004         * config/sparc/sol2-gas.h: New file.
2005
2006 2004-09-23  H.J. Lu  <hongjiu.lu@intel.com>
2007
2008         PR bootstrap/17369
2009         * Makefile.in (@set_gcc_lib_path@): Added.
2010
2011         * configure.ac: Include ../config/gcc-lib-path.m4. Use
2012         TL_AC_GNU_MAKE_GCC_LIB_PATH.
2013         * configure: Regenerated.
2014
2015 2004-09-24  Joseph S. Myers  <jsm@polyomino.org.uk>
2016
2017         PR c/6980
2018         * c-typeck.c (build_c_cast): Improve wording of
2019         -Wbad-function-cast diagnostic.
2020
2021 2004-09-23  Hans-Peter Nilsson  <hp@axis.com>
2022
2023         PR target/17626
2024         * config/cris/cris.md (moverside, movemside): Rename variable
2025         "reg" to "otherop".  To generate canonical RTX, check that otherop
2026         isn't constant instead of checking that operand 1 is a register.
2027
2028 2004-09-23  Jakub Jelinek  <jakub@redhat.com>
2029
2030         * tree-ssa-propagate.c (set_rhs): Fail if EXPR is COMPOUND_EXPR.
2031
2032 2004-09-23  Diego Novillo  <dnovillo@redhat.com>
2033             Jakub Jelinek  <jakub@redhat.com>
2034
2035         * tree-flow.h (find_new_referenced_vars): Add prototype.
2036         * tree-sra.c (find_new_referenced_vars_1, find_new_referenced_vars):
2037         Move to...
2038         * tree-dfa.c (find_new_referenced_vars_1, find_new_referenced_vars):
2039         ... here.
2040         (mark_new_vars_to_rename): Walk through all operands.
2041         * tree-ssa-ccp.c (convert_to_gimple_builtin): New function.
2042         (execute_fold_all_builtins): Use it.
2043         (pass_fold_builtins): Add TODO_rename_vars to todo_flags_finish.
2044
2045 2004-09-23  P.J. Darcy  <darcypj@us.ibm.com>
2046
2047         * gthr-tpf.h: New file.
2048         * config.gcc (s390x-ibm-tpf*): Add thread_file='tpf'.
2049         * gthr.h: Use gthr-tpf.h on TPF OS.
2050
2051 2004-09-23 Jeff Law  <law@redhat.com>
2052
2053         * tree-ssa-ccp.c (get_default_value): Use SSA_NAME_VALUE rather
2054         than SSA_NAME_EQUIV and SET_SSA_NAME_EQUIV.
2055         (substitute_and_fold):  Likewise.
2056         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Remove everything
2057         except invariants from SSA_NAME_VALUE.
2058         (thread_across_edge): Use SSA_NAME_VALUE rather than SSA_NAME_EQUIV
2059         and SET_SSA_NAME_EQUIV.
2060         (restore_vars_to_original_value, record_const_or_copy): Likewise.
2061         (record_equivalences_from_phis, record_const_or_copy_1): Likewise.
2062         (record_equality, cprop_into_successor_phis): Likewise.
2063         (record_equivalences_from_stmt, cprop_operand): Likewise.
2064         (lookup_avail_expr): Likewise.
2065         * tree-ssa-pre.c (fini_pre): Remove everything except invariants
2066         from SSA_NAME_VALUE.
2067         * tree.h (SSA_NAME_EQUIV, SET_SSA_NAME_EQUIV): Kill.
2068         (struct tree_ssa_name):  Kill EQUIV field.  Remove GGC skip
2069         annotation from the VALUE_HANDLE field.
2070
2071 2004-09-21 Fariborz Jahanian <fjahanian@apple.com>
2072
2073         PR c++/13989
2074         PR c++/9844
2075         * tree.c (reconstruct_complex_type): Remove extra "this".
2076         * config/rs6000/rs6000.c (rs6000_handle_altivec_attribute):
2077         Add V4SFmode to case statement.
2078
2079 2004-09-23  Joseph S. Myers  <jsm@polyomino.org.uk>
2080
2081         PR c/16833
2082         * doc/extend.texi, doc/invoke.texi: Document interaction of
2083         -fno-builtin with format checks.  Note that built-in functions
2084         have effects beyond generating code that avoids calls to those
2085         functions.
2086
2087 2004-09-23  Frank Ch. Eigler <fche@redhat.com>
2088
2089         PR tree-optimization/17533
2090         * dominance.c (verify_dominators): Tolerate even more incorrect
2091         dominance data during error message printing.
2092         * tree-mudflap.c (mf_build_check_statement_for): Build basic blocks
2093         and edges more correctly.
2094
2095 2004-09-23  Dorit Naishlos <dorit@il.ibm.com>
2096
2097         * tree.def (ALIGN_INDIRECT_REF, MISALIGNED_INDIRECT_REF):
2098         New tree-codes.
2099         * tree.h (REF_ORIGINAL): Consider ALIGN_INDIRECT_REF and
2100         MISALIGNED_INDIRECT_REF.
2101         * alias.c (get_alias_set, nonoverlapping_memrefs_p): Likewise.
2102         * emit-rtl.c (mem_expr_equal_p, set_mem_attributes_minus_bitpos):
2103         Likewise.
2104         * expr.c (safe_from_p, expand_expr_real_1, rewrite_address_base)
2105         (find_interesting_uses_address): Likewise.
2106         * fold-const.c (non_lvalue, operand_equal_p): Likewise.
2107         (build_fold_addr_expr_with_type): Likewise.
2108         * gimplify.c (gimplify_addr_expr, gimplify_expr): Likewise.
2109         * print-rtl.c (print_mem_expr): Likewise.
2110         * tree-dump.c (dequeue_and_dump): Likewise.
2111         * tree-eh.c (tree_could_trap_p): Likewise.
2112         * tree-gimple.c (is_gimple_addressable, get_base_address): Likewise.
2113         * tree-pretty-print.c (op_prio, op_symbol, dump_generic_node): Likewise.
2114         * tree-ssa-alias.c (find_ptr_dereference, ptr_is_dereferenced_by):
2115         Likewise.
2116         * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Likewise.
2117         * tree-ssa-dom.c (record_equivalences_from_stmt): Likewise.
2118         * tree-ssa-loop-im.c (for_each_index, is_call_clobbered_ref): Likewise.
2119         * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Likewise.
2120         (add_address_candidates, rewrite_address_base): Likewise.
2121         * tree-ssa-operands.c (get_expr_operands, get_indirect_ref_operands):
2122         Likewise.
2123         * tree.c (staticp, build1_stat): Likewise.
2124
2125         * tree.def (REALIGN_LOAD_EXPR, REALIGN_STORE_EXPR): New tree-codes.
2126         * tree-pretty-print.c (dump_generic_node): Consider REALIGN_LOAD_EXPR.
2127         * tree-ssa-operands.c (get_expr_operands): Likewise.
2128         * expr.c (expand_expr_real_1): Likewise.
2129
2130         * optabs.h (vec_realign_store_optab, vec_realign_load_optab): New
2131         optabs.
2132         (OTI_vec_realign_store, OTI_vec_realign_load): New optab_index values
2133         for the new optabs.
2134         (expand_ternary_op): New function.
2135         * genopinit.c (optabs): Handle the new optabs.
2136         * optabs.c (optab_for_tree_code): Add cases for the new tree-codes.
2137         (init_optabs): Initialize vec_realign_load_optab.
2138         (expand_ternary_op): New functions.
2139
2140         * target-def.h (TARGET_VECTORIZE): New member for struct gcc_target.
2141         (TARGET_VECTORIZE_MISALIGNED_MEM_OK): New member for targetm.vectorize.
2142         (TARGET_VECTORIZE_BUILTIN_MASK_FOR_LOAD): Likewise.
2143         (TARGET_VECTORIZE_BUILTIN_MASK_FOR_STORE): Likewise.
2144         * target.h (struct vectorize): New member for struct gcc_target.
2145         (misaligned_mem_ok): New member for targetm.vectorize.
2146         (builtin_mask_for_load): Likewise.
2147         (builtin_mask_for_store): Likewise.
2148         * targethooks.c (default_vect_misaligned_mem_ok): New function.
2149         * targethooks.h (default_vect_misaligned_mem_ok): New function.
2150
2151         * config/rs6000/altivec.md (build_vector_mask_for_load): New
2152         define_expand.
2153         (vec_realign_load_v4si, vec_realign_load_v4sf, vec_realign_load_v8hi)
2154         (vec_realign_load_v16qi): New define_insn.
2155         * config/rs6000/rs6000.h (ALTIVEC_BUILTIN_MASK_FOR_LOAD):
2156         (ALTIVEC_BUILTIN_MASK_FOR_STORE): New target builtins.
2157         * config/rs6000/rs6000.c (altivec_builtin_mask_for_load):
2158         (altivec_builtin_mask_for_store): New variables.
2159         (rs6000_builtin_mask_for_load): New function. Implements
2160         TARGET_VECTORIZE_BUILTIN_MASK_FOR_LOAD.
2161         (rs6000_builtin_mask_for_store): New function. Implements
2162         TARGET_VECTORIZE_BUILTIN_MASK_FOR_STORE.
2163         (rs6000_expand_builtin): Expand the target builtins
2164         builtin_mask_for_load and builtin_mask_for_store.
2165         (altivec_init_builtins): Initialize the new target builtins.
2166         * config/i386/i386.c (ix86_misaligned_mem_ok): New function.
2167         Implements the target hook TARGET_VECTORIZE_MISALIGNED_MEM_OK.
2168
2169         * tree-vectorizer.c (vect_create_data_ref): Renamed to
2170         vect_create_data_ref_ptr. Returns a pointer instead of an array-ref.
2171         (vect_create_addr_base_for_vector_ref): Additional argument (offset).
2172         (vectorizable_store): Call vect_create_data_ref_ptr with additional
2173         arguments, and create an indirect_ref with its return value data_ref.
2174         Check aligned_access_p.
2175         (vectorizable_load): Handle misaligned loads, using software-pipelined
2176         scheme with REALIGN_LOAD_EXPR and ALIGN_INDIRECT_REF if
2177         vec_realign_load_optab is supported, or using a scheme without
2178         software-pipelining with MISALIGNED_INDIRECT_REF if the target hook
2179         misaligned_mem_ok is supported.
2180
2181         (vect_finish_stmt_generation): Typo.
2182         (vect_enhance_data_refs_alignment): Rename loop_vinfo to loop_info.
2183         (vect_analyze_data_refs_alignment): Don't fail vectorization in the
2184         presence of misaligned loads.
2185         (vect_analyze_data_ref_access): Add check for constant init.
2186         (vect_get_symbl_and_dr): Remove duplicate line.
2187         * tree-vectorizer.h (DR_MISALIGNMENT): Add comment.
2188
2189 2004-09-23  Kazu Hirata  <kazu@cs.umass.edu>
2190
2191         * builtins.c: Fix a comment typo.
2192
2193 2004-09-23  Jan Hubicka  <jh@suse.cz>
2194
2195         * profile.c (branch_prob): Do not verify flow info in the middle of the
2196         pass.
2197
2198 2004-09-23  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
2199
2200         * cfgloop.h (update_single_exits_after_duplication): Declare.
2201         (loopify, split_loop_bb): Declaration changed.
2202         * cfgloopmanip.c (split_loop_bb): Take void * as an argument instead
2203         of rtx.
2204         (loopify): Added redirect_all_edges argument.
2205         (update_single_exits_after_duplication): Export.
2206         * loop-unswitch.c (unswitch_loop): Changed due to loopify change.
2207         * tree-flow.h (tree_duplicate_loop_to_header_edge,
2208         tree_ssa_loop_version): Declare.
2209         * tree-ssa-loop-manip.c (copy_phi_node_args, rename_variables,
2210         set_phi_def_stmts, tree_duplicate_loop_to_header_edge,
2211         lv_adjust_loop_header_phi, lv_adjust_loop_entry_edge,
2212         lv_update_pending_stmts, tree_ssa_loop_version): New functions.
2213
2214         * tree-ssa-loop-unswitch.c: New file.
2215         * Makefile.in (tree-ssa-loop-unswitch.o): Add.
2216         * timevar.def (TV_TREE_LOOP_UNSWITCH): New timevar.
2217         * tree-flow.h (tree_ssa_unswitch_loops): Declare.
2218         * tree-optimize.c (init_tree_optimization_passes): Add pass_unswitch.
2219         * tree-pass.h (pass_unswitch): Declare.
2220         * tree-ssa-loop.c (tree_ssa_loop_unswitch,
2221         gate_tree_ssa_loop_unswitch, pass_unswitch): New pass.
2222         * doc/passes.texi: Documen tree level loop unswitching.
2223
2224 2004-09-23  Kazu Hirata  <kazu@cs.umass.edu>
2225
2226         * cfgexpand.c, config/s390/tpf-eh.c: Fix comment typos.
2227
2228 2004-09-22  Eric Christopher  <echristo@redhat.com>
2229
2230         * builtins.c (simplify_builtin_va_start): Remove.
2231         (simplify_builtin): Ditto.
2232         (fold_builtin_strchr): Ditto.
2233         (simplify_builtin_*): Rename remainders to fold_builtin_*.
2234         (expand_builtin): Fix up for above changes.
2235         (fold_builtin_1): Add new folders. Change for above.
2236         (expand_builtin_va_start): Call fold_builtin_next_arg.
2237         * gimplify.c (gimplify_call_expr): Fix calls to simplify_builtin.
2238         * tree.h: Remove prototype for simplify_builtin.
2239
2240 2004-09-23  Jan Hubicka  <jh@suse.cz>
2241
2242         PR debug/17389
2243         * dwarf2out.c (dwarf2out_finish): Deal with nested functions
2244         of fully inlined functions.
2245         * tree-inline.c (inline_forbidden_p_1): Nested functions can be
2246         inlined.
2247
2248         * cfgexpand.c (add_reg_br_prob_note): New function.
2249         (expand_gimple_cond_expr): Use it.
2250         (tree_expand_cfg): No longer kill the profile.
2251         * cfgrt.c (rtl_verify_flow_info_1): Check profile consistency
2252         only if it is present.
2253         * passes.c (rest_of_handle_loop_optimize): Kill the profile.
2254         * predict.c (combine_predictions_for_insn): Set the probabilities
2255         based on REG_BR_PROB note if present.
2256         * predict.c (branch_prob): Profile is read only with
2257         flag_branch_probabilities.
2258
2259 2004-09-22  Kelley Cook  <kcook@gcc.gnu.org>
2260
2261         * aclocal.m4: Add in gettext's m4 includes.
2262         (AC_ICONV, AC_LCMESSAGES, GCC_PATH_PROG): Remove.
2263         * configure.ac: Add in check for iconv.h
2264         * configure: Regenerate.
2265
2266 2004-09-22  Kelley Cook  <kcook@gcc.gnu.org>
2267
2268         * aclocal.m4: Update for rename of gettext-sister.m4.
2269
2270 2004-09-22  Daniel Berlin <dberlin@dberlin.org>
2271
2272         Fix PR tree-optimization/17587
2273         * tree-ssa-pre.c (fini_pre): Commit edge inserts here.
2274         (insert_aux): Instead of here.
2275
2276 2004-09-22  Diego Novillo  <dnovillo@redhat.com>
2277
2278         PR tree-optimization/16721
2279         * tree-dfa.c (dump_variable): Show TREE_THIS_VOLATILE.
2280         * tree-ssa-alias.c (create_memory_tag): Move setting of
2281         TREE_THIS_VOLATILE ...
2282         (get_tmt_for): ... here.
2283
2284 2004-09-22  Eric Botcazou  <ebotcazou@libertysurf.fr>
2285
2286         * config/sparc/sparc.md (cmove splitter): Fix formatting.
2287         (conditional_trap expander): Reject inappropriate CCmodes.
2288         (conditional trap insn): Use V9 syntax if possible.
2289
2290 2004-09-22  Joseph S. Myers  <jsm@polyomino.org.uk>
2291
2292         PR c/16566
2293         * c-typeck.c (build_component_ref): Don't special-case
2294         COMPOUND_EXPR.
2295
2296 2004-09-22  Frank Ch. Eigler  <fche@redhat.com>
2297
2298         * dominance.c (verify_dominators): Don't SEGV if recount_dominator
2299         returns NULL.
2300
2301 2004-09-22  Kazu Hirata  <kazu@cs.umass.edu>
2302
2303         * doc/c-tree.texi (TRUTH_NOT_EXPR, TRUTH_ANDIF_EXPR,
2304         TRUTH_ORIF_EXPR, TRUTH_AND_EXPR, TRUTH_OR_EXPR,
2305         TRUTH_XOR_EXPR): Mention the restriction on types.
2306
2307 2004-09-22  Matt Austern  <austern@apple.com>
2308
2309         * config/darwin.c (darwin_make_decl_one_only):
2310         Allow coalesced symbol to appear in static archive's table of contents
2311
2312 2004-09-22  Kazu Hirata  <kazu@cs.umass.edu>
2313
2314         PR tree-optimization/17512
2315         * convert.c (convert_to_integer): Don't handle TRUTH_*_EXPR as
2316         special cases.
2317
2318 2004-09-22  David Edelsohn  <edelsohn@gnu.org>
2319
2320         * dbxout.c (get_lang_number): Do not define if
2321         DBX_OUTPUT_MAIN_SOURCE_DIRECTORY is defined.
2322
2323 2004-09-22  Ralf Corsepius  <corsepiu@faw.uni-ulm.de>
2324
2325         PR target/15583
2326         * config/rs6000/rtems.h (TARGET_OS_CPP_BUILTINS): Add
2327         builtin_define ("__USE_INIT_FINI__").
2328
2329 2004-09-22  P.J. Darcy  <darcypj@us.ibm.com>
2330
2331         * config/s390/s390-protos.h (s390_emit_tpf_eh_return): Add prototype.
2332         * config/s390/s390.c (s390_emit_tpf_eh_return): New function.
2333         * config/s390/s390.h (TARGET_TPF): New macro.
2334         * config/s390/s390.md ("eh_return"): New expander.
2335         * config/s390/t-tpf (LIB2ADDEH): Use unwind-dw2-fde.c rather than
2336         unwind-dw2-fde-glibc.c.  Add config/s390/tpf-eh.c.
2337         (LIB2ADDEHDEP): Remove unwind-dw2-fde.c.
2338         * config/s390/tpf.h (TARGET_TPF): Define to 1.
2339         (STACK_POINTER_OFFSET): Increase to 448.
2340         (TARGET_DEFAULT): Set -mtpf-trace on as default.
2341         (TPF_LOC_DIFF_OFFSET): New macro.
2342         (ASM_PREFERRED_EH_DATA_FORMAT): Redefine to always use absolute
2343         encoding.
2344         (__isPATrange): Add prototype.
2345         (MD_FALLBACK_FRAME_STATE_FOR): Define.
2346         * config/s390/tpf-eh.c: New file.
2347
2348 2004-09-22  Diego Novillo  <dnovillo@redhat.com>
2349
2350         * fold-const.c (fold): Avoid non INTEGER_TYPEs when widening
2351         operands in an integer comparison.
2352         * tree-cfg.c (find_taken_edge): Call fold() to determine
2353         whether the predicate is known.
2354
2355 2004-09-22  Kelley Cook  <kcook@gcc.gnu.org>
2356
2357         * aclocal.m4: Import AM_PROG_CC_C_O and AM_AUX_DIR_EXPAND.
2358         * configure.ac: Call AM_PROG_CC_C_O instead of AC_PROG_CC_C_O.
2359         Create build and doc directories along with the language directories.
2360         Don't create doc directory separately.
2361         * configure: Regenerate.
2362         * Makefile.in: Create all object and executables files built
2363         with the build compiler in a build/ directory.
2364         (genobjnames): Add missing build objects.
2365         (STAGESTUFF): Don't stage the gen* programs.
2366         (ggc-none.o): Define dependencies for the target compiler.
2367         (build-print-rtl.o): Rename to build/print-rtl.o.
2368         (build-errors.o): Rename to build/errors.o.
2369         (build-varray.o): Rename to build/varray.o.
2370         (maintainerclean): Delete the contents of the build directory.
2371         ($(genobjs): %.o): Explicitly use -o.
2372         (build/insn-conditions.o): Delete specfic rule to use generic rule.
2373         (build/gengtype-lex.o): Likewise.
2374         (build/gengtype-yacc.o): Likewise.
2375         (build/gcov-iov.o): Likewise.
2376
2377 2004-09-22  Nathan Sidwell  <nathan@codesourcery.com>
2378
2379         * vec.h (VEC_space): Return true if there _is_ space.
2380         (VEC_reserve): Adjust.
2381
2382 2004-09-22  Richard Sandiford  <rsandifo@redhat.com>
2383
2384         * config/mips/mips.c (mips_function_value): For o32, o64, n32 and n64,
2385         use FPRs for scalar, complex and vector types only.
2386
2387 2004-09-21 Jeff Law  <law@redhat.com>
2388
2389         * tree-ssa-dom.c (opt_stats): Move so that it lives just after
2390         the opt_stats_d structure.
2391         (vrp_data): Change from a varray into a hash table.
2392         (vrp_hash_elt): New structure for elements in the vrp hash table.
2393         (vrp_hash, vrp_eq):New functions for hashing and testing equality
2394         in the vrp hash table.
2395         (tree_ssa_dominator_optimize): Initialize VRP_DATA.  Reorganize
2396         initialization slightly to make it easier to read.  No longer need
2397         to grow/clear the varray.  Instead empty and delete the hash table.
2398         (dom_opt_finalize_block): Update due to change of VRP_DATA from
2399         a varray to a hash table.
2400         (simplify_cond_and_loop_avail_expr, record_range): Similarly.
2401
2402         * tree-ssa-ccp.c (get_default_value): If we have a constant
2403         value recorded for an SSA_NAME, then use that constant as
2404         the initial lattice value.
2405         (substitute_and_fold): Transfer equivalences discovered into
2406         SSA_NAME_EQUIV.
2407
2408         * tree.h (SSA_NAME_EQUIV): Add comments.
2409         (SET_SSA_NAME_EQUIV): Similarly.
2410
2411 2004-09-21  David Edelsohn  <edelsohn@gnu.org>
2412
2413         * config/rs6000/linux64.h (PROCESSOR_DEFAULT64): Default to POWER4.
2414
2415         * config/rs6000/rs6000.c (rs6000_adjust_cost): dep_insn is used.
2416
2417 2004-09-21  Mark Mitchell  <mark@codesourcery.com>
2418
2419         * c-decl.c (implicityl_declare): Call maybe_apply_renaming_pragma.
2420         (finish_decl): Likewise.
2421
2422 2004-09-21  Devang Patel  <dpatel@apple.com>
2423
2424         * tree.def (VEC_COND_EXPR): New tree node.
2425         * tree-ssa-operands.c (get_expr_operands): Handle VEC_COND_EXPR.
2426
2427 2004-09-21  Stan Shebs  <shebs@apple.com>
2428
2429         * config/rs6000/darwin-tramp.asm: Add __ppc64__ case.
2430         * config/rs6000/darwin-world.asm: Likewise.
2431
2432 2004-09-21  Daniel Berlin  <dberlin@dberlin.org>
2433
2434         * tree-ssa.c (verify_def): Use print_generic_stmt,
2435         not debug_generic_stmt.
2436         (verify_use): Ditto.
2437         (verify_phi_args): Ditto.
2438         (verify_ssa): Ditto.
2439
2440 2004-09-21  Paul Brook  <paul@codesourcery.com>
2441
2442         * varasm.c (default_assemble_integer): Return false for values wider
2443         than the target word size.  Works around GAS bug.
2444
2445 2004-09-21  Zack Weinberg  <zack@codesourcery.com>
2446
2447         * reg-notes.def (REG_DEP_TRUE): New entry, place first so it
2448         gets value 0.
2449         * print-rtl.c (print_rtx): Print the name of a REG_NOTE even
2450         if it has value 0.
2451
2452 2004-09-21  Daniel Berlin <dberlin@dberlin.org>
2453
2454         * c-typeck.c (build_function_call): Give name of object
2455         we are attempting to call in error message.
2456         * c-objc-common.c (c_tree_printer): Call pp_expression,
2457         not return false, for 'E' case.
2458
2459 2004-09-21  Steven Bosscher  <stevenb@suse.de>
2460
2461         PR rtl-optimization/17482
2462         * postreload-gcse.c (reg_avail_info, oprs_unchanged_p,
2463         load_killed_in_block_p): Clarify comments.
2464         (record_last_reg_set_info): Make static inline.
2465         (mark_call, mark_set, mark_clobber, mark_oprs_set): Remove.
2466         (record_opr_changes): New function to replace the above.
2467         (compute_hash_table): Clarify comments.  Use record_opr_changes.
2468         (reg_set_between_after_reload_p): Clean up.
2469         (reg_used_between_after_reload_p): Likewise.
2470         (eliminate_partially_redundant_load): Clarify comments.
2471
2472 2004-09-21  Eric Botcazou  <ebotcazou@libertysurf.fr>
2473
2474         PR rtl-optimization/17266
2475         * regmove.c (optimize_reg_copy_3): Make a new SUBREG for each insn.
2476
2477 2004-09-21  Uros Bizjak  <uros@kss-loka.si>
2478
2479         PR rtl-optimization/14851
2480         * rtlanal.c (commutative_operand_precedence): Calculate
2481         precedence of stripped constant.
2482
2483 2004-09-20 Jeff Law  <law@redhat.com>
2484            Jan Hubicka  <jh@suse.cz>
2485
2486         * tree-ssanames.c (make_ssa_name): No longer need to clear, then
2487         initialize key elements here.
2488         (release_ssa_name): Zero the released SSA_NAME here.
2489         * tree.h (SSA_NAME_EQUIV, SET_SSA_NAME_EQUIV): New macros.
2490         (struct tree_ssa_name): Add new "equiv" field.
2491         * tree-ssa-dom.c (const_and_copies): Kill the global varray.
2492         (tree_ssa_dominator_optimize): No longer allocate, resize or
2493         clear CONST_AND_COPIES.
2494         (get_value_for, set_value_for): Kill.
2495         (thread_across_edge): Get/set the equivalency using
2496         SSA_NAME_EQUIV and SET_SSA_NAME_EQUIV.
2497         (restore_vars_to_original_value): Likewise.
2498         (record_equivalences_from_phis): Likewise.
2499         (record_dominating_conditions): Likewise.
2500         (record_const_or_copy, record_equality): Likewise.
2501         (lookup_avail_expr): Likewise.
2502         (record_equivalences_from_stmt, cprop_operand): Likewise.
2503         (cprop_into_successor_phis): No longer need to pass around
2504         CONST_AND_COPIES.  Callers updated. Get equivalences via
2505         SSA_NAME_EQUIV.
2506         (cprop_into_phis): Likewise.
2507
2508 2004-09-20  Matt Austern <austern@apple.com>
2509             Zack Weinberg  <zack@codesourcery.com>
2510
2511         * c-common.c (fix_string_type): Build the unqualified array
2512         type unconditionally, then use c_build_qualified_type to get
2513         the proper const-qualified variant, and set its
2514         TYPE_MAIN_VARIANT to refer to the unqualified type.
2515         * c-lex.c (c_lex_return_raw_string): New global.
2516         (c_lex_with_flags): Honor it.
2517         * c-pragma.h: Declare it.
2518
2519 2004-09-20  Daniel Berlin  <dberlin@dberlin.org>
2520
2521         * Makefile.in: Fix flags.h dependencies to be $(FLAGS_H).
2522
2523 2004-09-21  Jan Hubicka  <jh@suse.cz>
2524
2525         PR middle-end/17126
2526         * tree-optimize.c (update_inlined_to_pointers): Fix the recursion.
2527         (tree_rest_of_compilation): Cleanup.
2528
2529 2004-09-20  Ulrich Weigand  <uweigand@de.ibm.com>
2530
2531         * config/s390/s390.c (s390_select_rtx_section): Remove.
2532         (TARGET_ASM_SELECT_RTX_SECTION): Do not redefine.
2533
2534 2004-09-20  Kaz Kojima  <kkojima@gcc.gnu.org>
2535
2536         * config/sh/sh.c (sh_expand_prologue): Add a REG_FRAME_RELATED_EXPR
2537         note to pretend a direct save from the original register when an
2538         intermediate register is used for the save.
2539
2540 2004-09-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2541
2542         * tsystem.h (alloca): Provide a default definition.
2543
2544         Revert:
2545         2001-08-31  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2546             * unwind-dw2.c: Call __builtin_alloca, not alloca.
2547
2548 2004-09-20  Andrew Pinski  <pinskia@physics.uc.edu>
2549
2550         PR tree-opt/17558
2551         * tree-ssa-copy.c (may_propagate_copy): Only allow if the
2552         aliasing sets are the same rather than just conflicting.
2553
2554 2004-09-20  Jan Hubicka  <jh@suse.cz>
2555
2556         PR middle-end/16460
2557
2558         * cgraph.c (cgraph_unnest_node): New function.
2559         (c_finalize): Rename to ....
2560         (c_warn_unused_result_recursivly): ... this one; do only the warning
2561         (finish_function): Finalize the toplevel function; do not lower nested tree.
2562         * cgraph.h (cgraph_unnest_node): Declare.
2563         * cgraphunit.c (decide_is_function_needed): Do not use cgraph
2564         nestedness datastructure.
2565         * cse.c (cse_insn): Do not cprop nonlocal LABEL_REFs.
2566         * reload1.c (set_label_offsets): Fix call of set_label_offsets.
2567         * tree-nested.c (finlize_nesting_tree_1):  Use un-nesting code.
2568
2569 2004-09-20  Richard Henderson  <rth@redhat.com>
2570
2571         * config/alpha/alpha.c (some_small_symbolic_operand_int): Rename
2572         from some_small_symbolic_operand_1; export.
2573         (some_small_symbolic_operand): Remove.
2574         * config/alpha/alpha.md (some_small_symbolic_operand splitter): Remove
2575         extra C check.
2576         * config/alpha/predicates.md (some_small_symbolic_operand): New.
2577
2578 2004-09-20  Jan Hubicka  <jh@suse.cz>
2579
2580         * predict.c (return_prediction): New function.
2581         (apply_return_prediction): Likewise.
2582         (tree_bb_level_predictions): Likewise.
2583         (tree_estimate_probability): Add noreturn exit edges; call
2584         bb_level_predictions; fix logic of return heuristics.
2585         (predict_paths_leading_to):  Rescuesce from old CVS version of
2586         process_note_prediction function.
2587         * predict.def (PRED_TREE_EARLY_RETURN): New predictor.
2588
2589 2004-09-20  Andreas Krebbel  <krebbel1@de.ibm.com>
2590
2591         * config/s390/s390.c (s390_frame_info): Added alignment statement for
2592         floating point register area on stack.
2593
2594 2004-09-20  Jakub Jelinek  <jakub@redhat.com>
2595
2596         * predict.c (expr_expected_value): Use *_CLASS_P macros.
2597
2598 2004-09-20  Daniel Berlin  <dberlin@dberlin.org>
2599
2600         * tree-ssa-pre.c (compute_antic_aux): Use malloc'd worklist, to avoid
2601         generating useless garbage.
2602
2603 2004-09-20  Paolo Bonzini  <bonzini@gnu.org>
2604
2605         * builtins.c (fold_builtin): Call the new omonymous
2606         target hook for machine-dependent built-ins.
2607         * target-def.h (TARGET_FOLD_BUILTIN): New.
2608         * target.h (struct gcc_target): Add the fold_builtin hook.
2609         * targhooks.c (default_fold_builtin): New.
2610         * targhooks.h (default_fold_builtin): Declare it.
2611
2612 2004-09-20  Kazu Hirata  <kazu@cs.umass.edu>
2613
2614         * cfg.c, tree-ssa-threadupdate.c, tree-vectorizer.c: Fix
2615         comment typos.
2616
2617 2004-09-20  Richard Sandiford  <rsandifo@redhat.com>
2618
2619         PR target/17565
2620         * config/mips/mips.md (define_asm_attributes): Set can_delay to no.
2621
2622 2004-09-20  Jan Hubicka  <jh@suse.cz>
2623
2624         * predict.c (estimate_probability): Remove unnecesary code.
2625
2626 2004-09-19  Ira Rosen  <irar@il.ibm.com>
2627
2628         * tree-vectorizer.h (stmt_vec_info): Add vect_dr_base field.
2629         (STMT_VINFO_VECT_DR_BASE): Declare.
2630         (VECT_SMODULO): Declare.
2631         * tree-vectorizer.c (vect_compute_array_ref_alignment): New function.
2632         (vect_compute_array_base_alignment): New function.
2633         (vect_analyze_data_ref_access): Check array indices. Remove one
2634         dimensional arrays restriction.
2635         (vect_get_ptr_offset): New function.
2636         (vect_get_symbl_and_dr): New function.
2637         (vect_get_base_and_bit_offset): Support additional data refs. Renamed
2638         (former name vect_get_base_decl_and_bit_offset).
2639         (vect_create_index_for_array_ref): Removed.
2640         (vect_create_index_for_vector_ref): New function.
2641         (vect_create_addr_base_for_vector_ref): New function.
2642         (vect_create_data_ref): Handle additional data refs. Call
2643         vect_create_index_for_vector_ref and vect_create_addr_base_for_vector_ref.
2644         (vect_compute_data_ref_alignment): Support the changes. Call
2645         vect_get_base_and_bit_offset.
2646         (vect_analyze_data_refs): Call vect_get_symbl_and_dr. Support additional
2647         data refs. Store vect_dr_base.
2648         (vect_analyze_data_ref_accesses): Support nonconstant init.
2649         (new_stmt_vec_info): Initialize vect_dr_base field.
2650         (vect_is_simple_iv_evolution): Call initial_condition_in_loop_num.
2651         (get_vectype_for_scalar_type): Check for BLKmode.
2652         * tree-chrec.h (initial_condition_in_loop_num): Declare.
2653         * tree-chrec.c (initial_condition_in_loop_num): New function.
2654         (chrec_component_in_loop_num): New function.
2655         (evolution_part_in_loop_num): Call chrec_component_in_loop_num.
2656         * tree-data-ref.c (analyze_array_indexes): Change parameter (access_fns)
2657         to be pointer to varray_type.
2658
2659 2004-09-19  Jan Hubicka  <jh@suse.cz>
2660
2661         * basic-block.h (update_bb_profile_after_threading): Declare.
2662         * cfg.c (update_bb_profile_after_threading): Break out from ...
2663         * cfgcleanup.c (try_forward_edges): ... here; use it.
2664         * tree-ssa-dom.c (thread_across_edge): Use it.
2665         * tree-ssa-threadupdate.c (create_block_for_threading): Zero out
2666         profile of the new BB.
2667
2668 2004-09-19  Daniel Berlin  <dberlin@dberlin.org>
2669
2670         * tree-ssa-pre.c (insert_into_set): Don't put
2671         is_gimple_min_invariant values into the set.
2672
2673 2004-09-19  Andreas Jaeger  <aj@suse.de>
2674
2675         * tree-ssa-dom.c (restore_nonzero_vars_to_original_value): Fix
2676         prototype.
2677
2678 2004-09-18  Kazu Hirata  <kazu@cs.umass.edu>
2679
2680         * config/cris/cris.h: Preserve the original spelling in a
2681         quote.
2682
2683 2004-09-18 Jeff Law  <law@redhat.com>
2684
2685         * tree-ssa-dom.c (nonzero_vars_stack, vrp_variables_stack): New
2686         global varrays to replace the block local varrays.
2687         (struct dom_walk_block_data): Remove, no longer used.
2688         (get_eq_expr_value): No longer need to pass around pointers to local
2689         varrays.  Callers updated.  Unused markers added to unused parameters.
2690         (record_range, record_equivalences_from_stmt): Likewise.
2691         (record_equivalences_from_incoming_edge): Likewise.
2692         (record_var_is_nonzero): Likewise.  Update now that we have a
2693         single global varray of SSA_NAMEs that need restoring.
2694         (dom_opt_initialize_block_local_data): Kill, no longer used.
2695         (tree_ssa_dominator_optimize): Initialize new global varrays.
2696         Update callbacks in dominator walker structure.
2697         (dom_opt_initialize_block): Add markers to NONZERO_VAR_STACK and
2698         VRP_VARIABLES_STACK.
2699         (restore_nonzero_vars_to_original_value): Update now that we have
2700         a single global varray of SSA_NAMEs that need restoring.
2701         (dom_opt_finalize_block): Similarly for VRP_VARIABLES_STACK.
2702         Remove unused variables.
2703         (optimize_stmt): Remove unused variable.
2704
2705 2004-09-18  Jan Hubicka  <jh@suse.cz>
2706
2707         * tree-cfg.c (thread_jumps):  Fix updating of the profile.
2708
2709         * tree-optimize.c (tree_rest_of_compilation): Kill forgotten
2710         verify_cgraph call.
2711
2712 2004-09-18  Kazu Hirata  <kazu@cs.umass.edu>
2713
2714         * alias.c, crtstuff.c, dbxout.c, domwalk.c, domwalk.h, gcc.c,
2715         gcse.c, global.c, lambda-code.c, loop.c, mips-tdump.c,
2716         optabs.h, predict.c, reg-stack.c, regclass.c, sched-rgn.c,
2717         tree-optimize.c, tree-ssa-dom.c, tree-ssa-forwprop.c,
2718         tree-ssa-operands.c, tree-ssa-phiopt.c,
2719         tree-ssa-threadupdate.c: Fix comment typos.
2720
2721 2004-09-18  Kazu Hirata  <kazu@cs.umass.edu>
2722
2723         * config/darwin-c.c, config/arc/arc.c, config/arc/arc.md,
2724         config/arm/README-interworking, config/arm/arm-cores.def,
2725         config/arm/arm.c, config/arm/arm.h, config/arm/pe.c,
2726         config/arm/vfp.md, config/c4x/c4x.c, config/c4x/c4x.h,
2727         config/cris/cris.c, config/cris/cris.h, config/fr30/fr30.c,
2728         config/fr30/fr30.h, config/fr30/fr30.md, config/frv/frv.c,
2729         config/frv/frv.md, config/i386/winnt.c,
2730         config/ia64/unwind-ia64.c, config/iq2000/iq2000.c,
2731         config/iq2000/iq2000.h, config/m68hc11/m68hc11.c,
2732         config/m68hc11/m68hc11.md, config/m68k/m68k.c,
2733         config/mcore/mcore.c, config/mips/mips.h,
2734         config/mn10300/mn10300.md, config/pa/pa.c,
2735         config/pa/pa64-regs.h, config/pdp11/pdp11.c,
2736         config/rs6000/rs6000.c, config/sh/symbian.c,
2737         config/sparc/sparc.h: Fix comment typos.  Follow spelling
2738         conventions.
2739
2740 2004-09-18  Joseph S. Myers  <jsm@polyomino.org.uk>
2741
2742         PR c/17424
2743         * c-typeck.c (c_expr_sizeof_expr): Check for error_mark_node.
2744
2745 2004-09-18  Diego Novillo  <dnovillo@redhat.com>
2746
2747         * tree-ssa-alias.c (setup_pointers_and_addressables): Don't
2748         remove TREE_ADDRESSABLE from RESULT_DECL.
2749
2750 2004-09-18  Diego Novillo  <dnovillo@redhat.com>
2751
2752         * tree-ssa-alias.c (dump_alias_info): Ignore NULL SSA_NAMEs.
2753
2754 2004-09-18  Jan Hubicka  <jh@suse.cz>
2755
2756         * tree-into-ssa.c (rewrite_ssa_into_ssa):  Expect ssa_name to return
2757         NULL.
2758         * tree-ssa-alias.c (init_alias_info): Likewise.
2759         * tree-ssa.c (verify_flow_sensitive_alias_info): Likewise.
2760         (verify_ssa): Likewise.
2761         * tree-ssanames.c (make_ssa_name): Clear out ssa_names arrays.
2762
2763 2004-09-18  Jan Hubicka  <jh@suse.cz>
2764
2765         * i386.c (legitimize_pic_address): Fix splitting of PLUS with
2766         huge offset.
2767
2768 2004-09-18  Kaz Kojima  <kkojima@gcc.gnu.org>
2769
2770         * config/sh/linux.h (ASM_PREFERRED_EH_DATA_FORMAT): Remove.
2771         * config/sh/sh.h (ASM_PREFERRED_EH_DATA_FORMAT): Use
2772         DW_EH_PE_sdata* for data.
2773         (ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): Likewise.
2774
2775 2004-09-17  Geoffrey Keating  <geoffk@apple.com>
2776
2777         * tree-inline.c (copy_tree_r): Don't duplicate constants, they're
2778         shared anyway.
2779
2780         PR pch/13361
2781         * c-typeck.c (constructor_asmspec): Delete.
2782         (struct initializer_stack): Delete field 'asmspec'.
2783         (start_init): Delete saving of asmspec.
2784         (finish_init): Don't update constructor_asmspec.
2785         * dwarf2out.c (rtl_for_decl_location): Duplicate string from tree.
2786         * stmt.c (expand_asm): Duplicate strings from tree.
2787         (expand_asm_operands): Likewise.
2788         * tree.c (tree_size): Update computation of size of STRING_CST.
2789         (make_node): Don't make STRING_CST nodes.
2790         (build_string): Allocate string with tree node.
2791         (tree_code_size): Clean up assertions, don't allow requests
2792         for "the size of a STRING_CST".
2793         * tree.def (STRING_CST): Update comment.
2794         * tree.h (TREE_STRING_POINTER): Adjust for change to STRING_CST.
2795         (tree_string): Place contents of string in tree node.
2796         * config/sh/sh.c (sh_handle_sp_switch_attribute): Duplicate string
2797         from tree.
2798
2799 2004-09-17  Zack Weinberg  <zack@codesourcery.com>
2800
2801         * Makefile.in (c-parse.o): Depend on $(C_PRAGMA_H).
2802         * objc/Make-lang.in (objc/objc-parse.o): Likewise.
2803
2804 2004-09-17  Jones Desougi  <jones@ingate.com>
2805
2806         * configure.ac: Replace AC_COMPILE_CHECK_SIZEOF with AC_CHECK_SIZEOF.
2807         * configure, config.in: Regenerate.
2808
2809 2004-09-17  Zack Weinberg  <zack@codesourcery.com>
2810
2811         * tree.c, tree.h (tree_class_strings): Make array const.
2812         Reindent per coding convention.  Move asterisk to proper place
2813         per coding convention.
2814
2815 2004-09-18  Andreas Schwab  <schwab@suse.de>
2816
2817         * Makefile.in (gimple-low.o): Depend on $(EXPR_H).
2818         (tree-vectorizer.o): Likewise.
2819         (targhooks.o): Likewise.
2820
2821 2004-09-17  Jeffrey D. Oldham  <oldham@codesourcery.com>
2822             Zack Weinberg  <zack@codesourcery.com>
2823
2824         * alias.c (find_base_decl): Remove unreachable case '3' block.
2825         * expr.c (safe_from_p): Abort if passed a type.
2826         * tree-gimple.c (recalculate_side_effects): Abort if passed
2827         anything other than an expression.
2828         * tree-ssa-pre.c (phi_translate): Return expr immediately if
2829         is_gimple_min_invariant is true for it.  Reorder cases for clarity.
2830         Abort on un-handled tree classes.
2831         (valid_in_set): Likewise.
2832         * tree.c (tree_code_class_strings): New static data.
2833
2834         * tree.h (enum tree_code_class): New.
2835         (tree_code_class_strings): Declare.
2836         (TREE_CODE_CLASS_STRING, EXCEPTIONAL_CLASS_P, CONSTANT_CLASS_P)
2837         (REFERENCE_CLASS_P, COMPARISON_CLASS_P, UNARY_CLASS_P, BINARY_CLASS_P)
2838         (STATEMENT_CLASS_P, EXPRESSION_CLASS_P, IS_TYPE_OR_DECL_P): New macros.
2839         (TYPE_P, DECL_P, IS_NON_TYPE_CODE_CLASS, IS_EXPR_CODE_CLASS)
2840         (checking macros, EXPR_LOCATION, SET_EXPR_LOCATION, EXPR_LOCUS): Update.
2841
2842         * tree.def, c-common.def, objc/objc-tree.def: Use
2843         tree_code_class enumeration constants instead of code letters.
2844
2845         * alias.c, builtins.c, c-common.c, c-format.c, c-lang.c, c-pragma.c
2846         * c-typeck.c, cgraphunit.c, convert.c, dbxout.c, dwarf2out.c
2847         * emit-rtl.c expr.c, fold-const.c, gimplify.c, lambda-code.c
2848         * langhooks.c, langhooks.h, predict.c, print-tree.c, reload1.c, stmt.c
2849         * tree-browser.c, tree-cfg.c, tree-chrec.c, tree-complex.c, tree-dfa.c
2850         * tree-dump.c, tree-eh.c, tree-gimple.c, tree-inline.c, tree-nested.c
2851         * tree-outof-ssa.c, tree-pretty-print.c, tree-sra.c, tree-ssa-ccp.c
2852         * tree-ssa-dce.c, tree-ssa-dom.c, tree-ssa-forwprop.c, tree-ssa-live.c
2853         * tree-ssa-loop-im.c, tree-ssa-loop-ivopts.c, tree-ssa-operands.c
2854         * tree-ssa-phiopt.c, tree-ssa-pre.c, tree-ssa-propagate.c
2855         * tree-ssa.c, tree-ssanames.c, tree-tailcall.c, tree.c, varasm.c
2856         * config/sol2-c.c, config/arm/arm.c, config/i386/winnt.c
2857         * config/pa/pa.c, config/pa/pa.h, config/sh/sh.c, objc/objc-lang.c
2858         Update to match.
2859
2860         * LANGUAGES: Add note about change.
2861
2862 2004-09-17  Diego Novillo  <dnovillo@redhat.com>
2863
2864         PR tree-optimization/17319
2865         * tree-ssa-alias.c (compute_points_to_and_addr_escape): Also
2866         examine pointers on the LHS of an assignment.
2867         (collect_points_to_info_r): Handle RETURN_EXPR.
2868
2869 2004-09-17 Jeff Law  <law@redhat.com>
2870
2871         * tree-ssa-dom.c (const_and_copies_stack): New.
2872         (dom_walk_block_data): Remove const_and_copies field.
2873         (record_const_or_copy): No longer need to pass in varray_type *.
2874         Use CONST_AND_COPIES_STACK rather than passed in block local stack.
2875         Callers updated.
2876         (record_equality): Similarly.
2877         (restore_vars_to_original_value): Similarly.  Revamp to use new
2878         single global stack rather than per-block stacks.
2879         (tree_ssa_dominator_optimize): Initialize the CONST_AND_COPIES_STACK.
2880         (thread_across_edge): Remove now unused parameters.
2881         (dom_opt_initialize_block_local_data): No longer test the block
2882         local CONST_AND_COPIES.
2883         (dom_opt_initialize_block): Push a marker on CONST_AND_COPIES_STACK.
2884
2885 2004-09-17  Jan Hubicka  <jh@suse.cz>
2886
2887         PR tree-optimization/17509
2888         * tree-optimize.c (update_inlined_to_pointers): New function.
2889         (tree_rest_of_compilation): Use it.
2890
2891 2004-09-17  Devang Patel  <dpatel@apple.com>
2892
2893         * dbxout.c (get_lang_number): New.
2894         (dbxout_init): Include lang number in N_SO  stab.
2895         * dbxout.h (N_SO_AS, N_SO_C, N_SO_ANSI_C, N_SO_CC, N_SO_FORTRAN,
2896         N_SO_PASCAL, N_SO_FORTRAN90, N_SO_OBJC, N_SO_OBJCPLUS): New #define.
2897
2898 2004-09-17  Diego Novillo  <dnovillo@redhat.com>
2899
2900         PR tree-optimization/17273
2901         * tree-ssa.c (replace_immediate_uses): Call fold_stmt if the
2902         replacement is a constant.
2903
2904 2004-09-17  Joseph S. Myers  <jsm@polyomino.org.uk>
2905
2906         * c-tree.h (enum c_typespec_keyword): New.
2907         (struct c_declspecs): Adjust description of "type".  Remove
2908         specbits, explicit_int_p and explicit_char_p.  Rename
2909         typedef_signed_p to explicit_signed_p.  Add default_int_p, long_p,
2910         short_p, signed_p, unsigned_p and complex_p.
2911         (finish_declspecs): New.
2912         * c-parse.in (datadef, datadecl, setspecs, decl, component_decl,
2913         typename): Call finish_declspecs.
2914         * c-decl.c (finish_declspecs): New.
2915         (declspecs_add_type): Check for combinations which cannot occur in
2916         valid specifier lists.  Update comments.
2917         (shadow_tag_warned): Remove checks done in finish_declspecs.
2918         Don't report useless type name if type defaulted to int.
2919         (grokdeclarator): Remove checks and actions done in
2920         finish_declspecs.  Don't allow for type being NULL.  Update for
2921         datastructures changes.  Initialize decl_attr.
2922         (build_null_declspecs, quals_from_declspecs): Update for
2923         datastructures changes.
2924
2925 2004-09-17  Sylvain Pion  <Sylvain.Pion@sophia.inria.fr>
2926
2927         * doc/extend.texi: Fix duplicated word.
2928
2929 2004-09-17  Toon Moene  <toon@moene.indiv.nluug.nl>
2930
2931         * doc/invoke.texi: Remove stray explanation on
2932         -freduce-all-givs and -fmove-all-movables.
2933
2934 2004-09-17  James Morrison  <phython@gcc.gnu.org>
2935
2936         * doc/cfg.texi: Use @smallexample.
2937         * doc/md.texi: Likewise.
2938         * doc/tree-ssa.texi: Likewise.
2939         * doc/extend.texi: Likewise.  Use @r{} in comments.
2940         * doc/trouble.texi: Use @r{} in comments.
2941
2942 2004-09-17  Hans-Peter Nilsson  <hp@bitrange.com>
2943
2944         * configure.ac (gcc_cv_gld_version): Handle whitespace before
2945         "VERSION=".
2946         * aclocal.m4 (_gcc_COMPUTE_GAS_VERSION): Ditto.
2947         * configure: Regenerate.
2948
2949 2004-09-17  J"orn Rennecke <joern.rennecke@superh.com>
2950
2951         * sh.c (sh_gimplify_va_arg_expr): Don't call pass_by_reference.
2952         (sh_pass_by_reference): Work around std_gimplify_va_arg_expr bug.
2953         * t-sh (MULTILIB_CPUS): s/ML_m/ML_sh/g .
2954         * t-sh64 (MULTILIB_CPU_DIRS): Likewise.  Match dashes and trailing
2955         slashes in substitutions.
2956         (MULTILIB_DIRNAMES): Remove defunct removal of /media32.
2957
2958 2004-09-17  Kazu Hirata  <kazu@cs.umass.edu>
2959
2960         * basic-block.h, c-decl.c, c-parse.in, cgraphunit.c, ddg.c,
2961         gimplify.c, lambda-code.c, optabs.c, predict.c,
2962         tree-scalar-evolution.c, tree-sra.c, tree-ssa-loop-ch.c,
2963         tree-ssa.c, vec.h: Fix comment typos.  Follow spelling
2964         conventions.
2965
2966 2004-09-17  Kazu Hirata  <kazu@cs.umass.edu>
2967
2968         * doc/compat.texi, doc/cpp.texi, doc/cppopts.texi,
2969         doc/extend.texi, doc/install.texi, doc/invoke.texi,
2970         doc/sourcebuild.texi, doc/tm.texi, doc/tree-ssa.texi,
2971         doc/trouble.texi: Use @option around options.
2972
2973 2004-09-17  Richard Sandiford  <rsandifo@redhat.com>
2974
2975         * Makefile.in (gen-protos.o): Depend on errors.h.
2976
2977 2004-09-17  Steven Bosscher  <stevenb@suse.de>
2978
2979         PR tree-optimization/17513
2980         * cfgexpand.c (construct_init_block): Clear EDGE_EXECUTABLE
2981         for successors of the entry block.
2982
2983 2004-09-17  Uros Bizjak  <uros@kss-loka.si>
2984
2985         PR rtl-optimization/15187
2986         * ifcvt.c (noce_try_cmove_arith): Exit early if total
2987         insn_rtx_cost of both branches > BRANCH_COST
2988
2989 2004-09-16  Diego Novillo  <dnovillo@redhat.com>
2990
2991         PR tree-optimization/17528
2992         * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Do not
2993         erase the may-alias set for a tag when merging it with
2994         another.
2995
2996 2004-09-16  Kaz Kojima  <kkojima@gcc.gnu.org>
2997
2998         * config/sh/sh.md (call): Extend 32-bit addresses to DImode
2999         for 32-bit TARGET_SHMEDIA.
3000         (call_value): Likewise.
3001
3002 2004-09-16  Diego Novillo  <dnovillo@redhat.com>
3003
3004         * tree-ssa-operands.c (add_call_clobber_ops): Make read-only
3005         test apply only to TREE_STATIC and DECL_EXTERNAL.
3006
3007 2004-09-16  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
3008
3009         * Makefile.in (tree-cfg.o): Add CFGLAYOUT_H dependency.
3010         * basic-block.h (get_dominated_by_region): Declare.
3011         * dominance.c (get_dominated_by_region): New function.
3012         * tree-cfg.c: Include cfglayout.h.
3013         (tree_duplicate_bb): Duplicate also phi nodes.
3014         (struct ssa_name_map_entry): New type.
3015         (add_phi_args_after_copy_bb, add_phi_args_after_copy,
3016         ssa_name_map_entry_hash, ssa_name_map_entry_eq,
3017         allocate_ssa_names, rewrite_to_new_ssa_names_def,
3018         rewrite_to_new_ssa_names_use, rewrite_to_new_ssa_names_bb,
3019         rewrite_to_new_ssa_names, tree_duplicate_sese_region): New functions.
3020         * tree-flow.h (tree_duplicate_sese_region, add_phi_args_after_copy_bb,
3021         add_phi_args_after_copy, rewrite_to_new_ssa_names_bb,
3022         rewrite_to_new_ssa_names, allocate_ssa_names,
3023         rewrite_into_loop_closed_ssa, verify_loop_closed_ssa): Declare.
3024         * tree-ssa-loop-ch.c (duplicate_blocks): Removed.
3025         (copy_loop_headers): Use tree_duplicate_sese_region.
3026
3027 2004-09-16  Frank Ch. Eigler  <fche@redhat.com>
3028
3029         * profile.c (branch_prob): Restore support for USE_MAPPED_LOCATION.
3030
3031 2004-09-16 Jeff Law  <law@redhat.com>
3032
3033         * tree-into-ssa.c (block_defs_stack): New toplevel varray.
3034         (rewrite_block_data): Remove, no longer used.
3035         (rewrite_initialize_block_local_data): Remove, no longer used.
3036         (rewrite_initialize_block): Mark parameters as unused as needed.
3037         Change references to the block local block_defs to be block_defs_stack.
3038         Push a marker onto the block_defs_stack.
3039         (ssa_rewrite_initialize_block): Similarly.
3040         (rewrite_stmt, ssa_rewrite_stmt): Similarly.
3041         (ssa_register_new_def): No longer needs varray argument.  Use
3042         block_defs_stack instead.  No longer handle possibly null block_defs
3043         varray.  Reverse order of items we push on the stack to make it
3044         easier to identify our marker.
3045         (register_new_def): No longer handle possibly null block_defs
3046         varray.
3047         (rewrite_finalize_block): Revamp to look for markers in the global
3048         block_defs_stack varray rather than wiping a block local varray.
3049         Mark arguments as unused as needed.
3050         (ssa_rewrite_finalize_block): Similarly.
3051         (rewrite_into_ssa): Update initialization of dom walker structure
3052         to reflect that we don't need block local data anymore.  Initialize
3053         the block_defs_stack varray.
3054         (rewrite_ssa_into_ssa): Similarly.
3055         * tree-ssa-dom.c (block_defs_stack): New toplevel varray.
3056         (struct dom_walk_data): Kill block_defs field.
3057         (tree_ssa_dominator_optimize): Initialize block_defs_stack.
3058         (thread_across_edge): Use the global block_defs_stack instead of
3059         the old block_defs varray.
3060         (dom_opt_initialize_block_local_data): Update now that we don't have
3061         block_defs field to check anymore.
3062         (dom_opt_initialize_block): Push a marker onto block_defs_stack.
3063         (restore_currdefs_to_original_value): Use the new block_defs_stack
3064         instead of a block local varray.
3065         (dom_opt_finalize_block): Similarly.
3066         (record_equivalencs_from_phis): Similarly.
3067         (optimize_stmt, register_definitions_for_stmt): Similarly.
3068
3069 2004-09-16  Andrew MacLeod  <amacleod@redhat.com>
3070
3071         PR tree-optimization/17517
3072         * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Don't
3073         coalesce same-root variables without checking for abnormal PHI usage.
3074
3075 2004-09-16  Daniel Berlin  <dberlin@dberlin.org>
3076
3077         * cfgloop.h (duplicate_loop):  Add prototype.
3078         * cfgloopmanip.c (duplicate_loop): Make non-static.
3079         * lambda-code.c (perfect_nestify): Factor out test whether
3080         we can handle this loop into separate function.
3081         Call it.
3082         (can_convert_to_perfect_nest): New function.
3083         (replace_uses_of_x_with_y): Add modify_stmt call.
3084         * tree-loop-linear.c (linear_transform_loops): Call
3085         rewrite_into_loop_closed_ssa and free_df.
3086
3087 2004-09-16  Daniel Berlin  <dberlin@dberlin.org>
3088
3089         * lambda-code.c (invariant_in_loop): is_gimple_min_invariant is
3090         loop invariant as well.
3091         (perfect_nestify): new function.
3092         (gcc_loop_to_lambda_loop): New parameters to track lower bounds,
3093         upper bounds, and steps.
3094         Set outerinductionvar properly.
3095         (gcc_loopnest_to_lambda_loopnest): Add loops and need_perfect
3096         parameters.
3097         Return NULL if we need a perfect loop and can't make one.
3098         (lambda_loopnest_to_gcc_loopnest): Correct algorithm.
3099         (not_interesting_stmt): New function.
3100         (phi_loop_edge_uses_def): Ditto.
3101         (stmt_uses_phi_result): Ditto.
3102         (stmt_is_bumper_for_loop): Ditto.
3103         (perfect_nest_p): Ditto.
3104         (nestify_update_pending_stmts): Ditto.
3105         (replace_uses_of_x_with_y): Ditto.
3106         (stmt_uses_op): Ditto.
3107         (perfect_nestify): Ditto.
3108         * lambda-mat.c (lambda_matrix_id_p): New function.
3109         * lambda-trans.c (lambda_trans_matrix_id_p): Ditto.
3110         * lambda.h: Update prototypes.
3111         * tree-loop-linear (linear_transform_loop): Use new
3112         perfect_nest_p. Detect and ignore identity transform.
3113         * tree-ssa-loop.c (pass_linear_transform): Use TODO_write_loop_closed.
3114
3115 2004-09-16  Sebastian Pop  <pop@cri.ensmp.fr>
3116
3117         * tree-loop-linear.c (gather_interchange_stats): Add more comments.
3118         Gather also strides of accessed data.  Pass in the data references
3119         array.
3120         (try_interchange_loops): Add a new heuristic for handling the temporal
3121         locality.  Pass in the data references array.
3122         (linear_transform_loops): Pass the data references array to
3123         try_interchange_loops.
3124
3125 2004-09-16  Kazu Hirata  <kazu@cs.umass.edu>
3126
3127         * doc/invoke.texi: Fix typos.  Follow spelling conventions.
3128
3129 2004-09-16  Nathan Sidwell  <nathan@codesourcery.com>
3130
3131         * doc/c-tree.texi (Classes): Remove index entries for
3132         TREE_VIA_{PUBLIC,PROTECTED,PRIVATE}.
3133
3134 2004-09-16  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
3135
3136         * fold-const.c (fold): Fold difference of addresses.
3137         (ptr_difference_const): Moved from tree-ssa-loop-ivopts, based on
3138         get_inner_reference.
3139         * tree-ssa-loop-ivopts.c (peel_address): Removed.
3140         (ptr_difference_const): Moved to fold-const.c.
3141         (split_address_cost): Use get_inner_reference instead of peel_address.
3142         (ptr_difference_cost): Change type of diff to HOST_WIDE_INT.
3143         * tree.h (ptr_difference_const): Export.
3144
3145         * tree-ssa-loop-ivopts.c (dump_iv, dump_use, dump_cand): Add induction
3146         variable type to the dump.  Fix indentation.
3147         (idx_find_step): Handle nonconstant array_ref_element_size and
3148         array_ref_low_bound.
3149         (idx_record_use): Handle array_ref_element_size and
3150         array_ref_low_bound.
3151         (find_interesting_uses_stmt): Handle memory = nontrivial_expression
3152         statements correctly.
3153         (get_computation_at, iv_value): Do not unshare expressions here.
3154         (rewrite_use_outer): Unshare the expression before it is emitted
3155         to code.
3156         * tree-ssa-loop-niter.c (unsigned_type_for, signed_type_for):
3157         Moved to tree.c.
3158         * tree.c (unsigned_type_for, signed_type_for): Moved from
3159         tree-ssa-loop-niter.c.  Use langhooks.
3160         * tree.h (signed_type_for): Export.
3161
3162 2004-09-16  David Edelsohn  <edelsohn@gnu.org>
3163
3164         * config/rs6000/rs6000.c (rs6000_xcoff_asm_named_section): Update
3165         prototype.
3166
3167 2004-09-15  Andrew Pinski  <pinskia@physics.uc.edu>
3168
3169         PR target/11572
3170         * c-incpath.h (target_c_incpath_s): Add extra_pre_includes.
3171         Add two parameters to extra_includes.
3172         (C_INCPATH_INIT): Remove.
3173         * c-incpath.c (register_include_chains): Call extra_pre_includes
3174         before adding the standard include directory.
3175         Update call to extra_includes.
3176         (!defined TARGET_EXTRA_INCLUDES): Update
3177         hook_void_charptr_charptr_int and add !define
3178         TARGET_EXTRA_PRE_INCLUDES.
3179         (!define TARGET_EXTRA_INCLUDES): Define as
3180         hook_void_charptr_charptr_int.
3181         (!define TARGET_EXTRA_PRE_INCLUDES): Likewise.
3182         (target_c_incpath): Always declare.
3183         * fixinclude.c (defined TARGET_EXTRA_INCLUDES): Declare a
3184         empty function.
3185         (define TARGET_EXTRA_PRE_INCLUDES): Likewise.
3186         * config/darwin.h: (darwin_register_frameworks): Update for
3187         the two new parameters.
3188         (darwin_register_objc_includes): Add prototype.
3189         (TARGET_EXTRA_PRE_INCLUDES): Define.
3190         * config/darwin-c.c (darwin_register_objc_includes): New function.
3191         (darwin_register_frameworks): Update for the two new parameters.
3192         (target_c_incpath): Remove.
3193         * config/t-darwin (darwin-c.o): Add $(PREPROCESSOR_DEFINES) to
3194         the compile line.
3195         * doc/tm.texi (TARGET_EXTRA_INCLUDES): Document the two new
3196         parameters.
3197         (TARGET_EXTRA_PRE_INCLUDES): Document.
3198
3199         * gcc.c (spec_function): Add replace-outfile.
3200         (replace_outfile_spec_function): New function.
3201         * config/darwin.h (LINK_SPEC): Add replace
3202         -lobjc with -lobjc-gnu if -fgnu-runtime is
3203         supplied.
3204         * invoke.texi (replace-outfile): Document.
3205
3206 2004-09-13  Jan Hubicka  <jh@suse.cz>
3207
3208         * predict.c (expr_expected_value, strip_builtin_expect): New function.
3209         (tree_predict_by_opcode): Use it.
3210         (tree_estimate_probability): Add, for now disabled,
3211         strip_builtin_expect call.
3212
3213 2004-09-15  James E Wilson  <wilson@specifixinc.com>
3214
3215         PR target/17455
3216         * config/ia64/ia64.c (ia64_function_ok_for_sibcall): Return false
3217         if current_function_decl is a sibcall.
3218
3219 2004-09-15  Mark Mitchell  <mark@codesourcery.com>
3220
3221         * varasm.c (default_function_rdodata_section): Make sure to pass
3222         along a decl for a link-once section.
3223
3224 2004-09-15  Richard Henderson  <rth@redhat.com>
3225
3226         * tree-ssa-operands.c (add_call_clobber_ops): Fix unused variable
3227         warning with code disable.  Fix formatting.
3228
3229 2004-09-15  Steven Bosscher  <stevenb@suse.de>
3230
3231         * Makefile.in (tree-ssa-dom.o): Depend on tree-ssa-propagate.h.
3232         * tree-ssa-dom.c (cprop_into_stmt): Recompute TREE_INVARIANT
3233         after propagating into an ADDR_EXPR.
3234
3235 2004-09-15  Andrew Pinski  <apinski@apple.com>
3236
3237         PR rtl-opt/17427
3238         * gcse.c (process_insert_insn): insn_invalid_p has side effects.
3239         Move it out of gcc_assert.
3240
3241 2004-09-15  Joseph S. Myers  <jsm@polyomino.org.uk>
3242
3243         * attribs.c, builtins.c, c-format.c, c-pch.c, coverage.c,
3244         except.c, fold-const.c, function.c, langhooks.c, params.c,
3245         reload.c, reload1.c, stmt.c, stor-layout.c, toplev.c, tree-cfg.c,
3246         tree-dump.c, tree-mudflap.c, tree.c, varasm.c: Use %<, %> and %q
3247         for quoting in diagnostics going through pretty-print.c.  Use ''
3248         for quoting in other diagnostic text.
3249         * langhooks.c: Include intl.h.  Mark text locating diagnostics for
3250         translation.
3251         * Makefile.in (langhooks.o): Update dependencies.
3252         * pretty-print.h (pp_printf): Mark as accepting GCC diagnostic
3253         formats.
3254
3255 2004-09-15  Mark Mitchell  <mark@codesourcery.com>
3256
3257         * configure.ac: Check for COMDAT support.  Robustify check for
3258         SHF_MERGE support.
3259         * configure: Regenerated.
3260         * config.in: Likewise.
3261         * langhooks-def.h (lhd_comdat_group): New function.
3262         (LANG_HOOKS_COMDAT_GROUP): New macro.
3263         (LANG_HOOKS_DECLS): Use it.
3264         * langhooks.c (lhd_comdat_group): Define.
3265         * langhooks.h (lang_hooks_for_decls): Add comdat_group.
3266         * output.h (named_section_flags): Make it a macro.
3267         (named_section_real): New function.
3268         (default_no_named_section): Add decl parameter.
3269         (default_elf_asm_named_section): Likewise.
3270         (default_coff_asm_named_section): Likewise.
3271         (default_pe_asm_named_section): Likewise.
3272         * target.h (gcc_target): Adjust type of named_section.
3273         * varasm.c (named_section_flags): Rename to named_section_real.
3274         Add decl parameter.
3275         (default_no_named_section): Add decl parameter.
3276         (default_elf_asm_named_section): Use COMDAT, if available.  Deal
3277         with the case that ASM_COMMENT_START is "@".
3278         (default_coff_asm_named_section): Add decl parameter.
3279         (default_pe_asm_named_section): Likewise.
3280         * config/alpha/alpha.c (vms_asm_named_section): Add decl
3281         parameter.
3282         (unicosmk_asm_named_section): Likewise.
3283         * config/arm/arm.c (arm_elf_asm_named_section): Remove.
3284         * config/arm/elf.h (TARGET_ASM_NAMED_SECTION): Likewise.
3285         * config/c4x/c4x.c (c4x_asm_named_section): Add decl parameter.
3286         * config/cris/cris-protos.h (cris_target_asm_named_section):
3287         Likewise.
3288         * config/cris/cris.c (cris_target_asm_named_section):
3289         Likewise.
3290         * config/darwin/darwin-protos.h (darwin_asm_named_section):
3291         Likewise.
3292         * config/darwin/darwin.c (darwin_asm_named_section): Likewise.
3293         * config/h8300/h8300.c (h8300_asm_named_section): Likewise.
3294         * config/i386/i386-protos.h (i386_pe_asm_named_section):
3295         Likewise.
3296         * config/i386/winnt.c (i386_pe_asm_named_section): Likewise.
3297         * config/m68k/m68k.c (m68k_coff_asm_named_section): Likewise.
3298         * config/mcore/mcore.c (mcore_asm_named_section): Likewise.
3299         * config/rs6000/rs6000.c (rs6000_xcoff_asm_named_section):
3300         Likewise.
3301         * config/sparc/sparc.c (sparce_elf_asm_named_section): Likewise.
3302         * cp/cp-lang.h (LANG_HOOKS_COMDAT_GROUP): Define.
3303         * cp/cp-tree.h (cxx_comdat_group): Declare.
3304         * cp/decl.c (cxx_comdat_group): New function.
3305
3306 2004-09-15  Jan Hubicka  <jh@suse.cz>
3307
3308         * tree-ssa.c (verify_flow_sensitive_alias_info): Do not walk dead nodes.
3309         * tree-tailcall.c (eliminate_tail_call): Release SSA name.
3310
3311         * tree-cfg.c (remove_bb): Release SSA defs.
3312
3313 2004-09-15  Kazu Hirata  <kazu@cs.umass.edu>
3314
3315         * doc/tm.texi: Follow spelling conventions.
3316
3317 2004-09-15  Kazu Hirata  <kazu@cs.umass.edu>
3318
3319         * tree-ssa-dom.c: Fix comment typos.
3320
3321 2004-09-15  Alan Modra  <amodra@bigpond.net.au>
3322
3323         * config/rs6000/linux-unwind.h (struct gcc_pt_regs): Extend to
3324         include ccr.
3325         (ppc_fallback_frame_state): Save location of CR.
3326
3327 2004-09-15  Jakub Jelinek  <jakub@redhat.com>
3328
3329         * expr.c (string_constant): Handle also read-only variables
3330         initialized to string literals.
3331
3332         * builtins.c (expand_builtin_memmove): Optimize memmove (x, y, 1)
3333         into memcpy (x, y, 1) if memcpy can be expanded inline.
3334
3335 2004-09-15  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
3336
3337         PR tree-optimization/17468
3338         * tree-ssa.c (verify_use, verify_phi_args, verify_ssa):  Verify that
3339         definition inside a block precede uses.
3340         * tree-tailcall.c (adjust_return_value): Emit statements in the
3341         correct order.
3342
3343 2004-09-15  Richard Sandiford  <rsandifo@redhat.com>
3344
3345         * config/mips/mips.h (POINTERS_EXTEND_UNSIGNED): Delete.
3346
3347 2004-09-15  Eric Botcazou  <ebotcazou@libertysurf.fr>
3348
3349         * doc/install.texi (sparc-sun-solaris2*): Properly format warning.
3350
3351 2004-09-14 Jeff Law  <law@redhat.com>
3352
3353         * tree-ssa-dom.c (avail_exprs_stack): New global varray.
3354         (struct dom_walk_block_data): Remove avail_exprs member.
3355         (tree_ssa_dominator_optimize): Initialize avail_exprs_stack.
3356         (lookup_avail_expr): No longer need to pass in address of
3357         the block local available exprs stack.  All callers changed.
3358         (simplify_cond_and_lookup_avail_expr): Similarly.
3359         (simplify_switch_and_lookup_avail_expr): Similarly.
3360         (get_eq_expr_value, record_cond): Likewise.
3361         (record_dominating_conditions): Likewise.
3362         (update_rhs_and_lookup_avail_expr): Likewise.
3363         (record_equivalences_from_stmt): Likewise.
3364         (dom_opt_initialize_block_local_data): No longer test state of
3365         block local avail_exprs.
3366         (dom_opt_initialize_block): Mark unwind point in the global
3367         avail_expr stack.
3368         (remove_expressions_from_table): Update to unwind to the
3369         most recent unwind marker in the global avail_expr stack.
3370         All callers changed.
3371         (dom_opt_finalize_block): Mark unwind point in the global
3372         avail_expr stack as needed.
3373         (record_cond): Push elements into the global avail_exprs stack.
3374
3375         * tree-dfa.c (free_df_for_stmt): No longer static.
3376         (free_df): Update comments.
3377         * tree-flow.h (free_df_for_stmt): Prototype.
3378         * tree-ssa-dse.c (dse_optimize_stmt): Call free_df_for_stmt.  Also
3379         call release_defs.
3380
3381 2004-09-14  Diego Novillo  <dnovillo@redhat.com>
3382
3383         PR tree-optimization/17252
3384         * tree-ssa-alias.c (may_alias_p): Don't assume that a
3385         pointer may not point to itself when using relaxed
3386         aliasing rules.
3387
3388 2004-09-14  Richard Henderson  <rth@redhat.com>
3389
3390         PR middle-end/17397
3391         * gimplify.c (gimplify_addr_expr): Don't inadvertently change types
3392         while folding <ADDR_EXPR <INDIRECT_REF X>>.
3393
3394 2004-09-14  Andrew Pinski  <apinski@apple.com>
3395
3396         * tree-ssa-copy.c (may_propagate_copy): Don't check the aliasing
3397         sets of the pointers but the aliasing sets of what they point to.
3398
3399 2004-09-14  Roger Sayle  <roger@eyesopen.com>
3400
3401         PR rtl-optimization/9771
3402         * regclass.c (CALL_REALLY_USED_REGNO_P): New macro to eliminate
3403         conditional compilation in init_reg_sets_1.
3404         (init_reg_sets_1): Let global_regs[i] take priority over the frame
3405         (but not stack) pointer exceptions to regs_invalidated_by_call.
3406         (globalize_reg): Globalizing a fixed register may need to update
3407         regs_invalidated_by_call.
3408
3409 2004-09-14  Diego Novillo  <dnovillo@redhat.com>
3410
3411         PR tree-optimization/15262
3412         * tree-dfa.c (dump_variable): Also print the type of the
3413         variable.
3414         * tree-ssa-alias.c (compute_flow_insensitive_aliasing): If two
3415         memory tags are of conflicting alias sets but have no aliased
3416         symbols in common, add one tag to the alias set of the other.
3417         (setup_pointers_and_addressables): Remove hack to deal with
3418         programs with no aliased symbols.
3419         (may_alias_p): Don't special case aggregate types.
3420
3421 2004-09-14  Joseph S. Myers  <jsm@polyomino.org.uk>
3422
3423         PR c/15498
3424         * doc/invoke.texi (Environment Variables): Correct example locale.
3425
3426 2004-09-14  Jan Hubicka  <jh@suse.cz>
3427
3428         * cfg.c (expunge_block): Revert previous change adding ggc_free call.
3429
3430 2004-09-14  Mark Mitchell  <mark@codesourcery.com>
3431
3432         * config.gcc: Do not build a shared libgcc for arm-none-eabi.
3433
3434 2004-09-14  Joseph S. Myers  <jsm@polyomino.org.uk>
3435
3436         * c-tree.h (struct c_declspecs): Add const_p, volatile_p and
3437         restrict_p.
3438         (struct c_declarator): Change u.array.quals and pointer_quals to
3439         int.  Add u.array.attrs.
3440         (quals_from_declspecs): New.
3441         * c-decl.c (quals_from_declspecs): New.
3442         (shadow_tag_warned): Give more specific message for useless type
3443         qualifiers.
3444         (build_array_declarator, set_array_declarator_inner,
3445         grokdeclarator, make_pointer_declarator, build_null_declspecs,
3446         declspecs_add_qual): Update for changed structures.
3447
3448 2004-09-14  Jeff Law  <law@redhat.com>
3449
3450         * tree-ssa-dom.c (stmts_to_rescan): Move from a block-local
3451         to a global varray.
3452         (tree_ssa_dominator_optimize): Allocate stmts_to_rescan.
3453         (dom_opt_initialize_block_local_data): No longer test state
3454         of stmts_to_rescan.
3455         (dom_opt_finalize_block): Update due to change in scope of
3456         stmts_to_rescan.
3457         (optimize_stmt): Similarly.
3458
3459 2004-09-14  Kazu Hirata  <kazu@cs.umass.edu>
3460
3461         * cgraph.h, cgraphunit.c, fold-const.c, lambda-mat.c,
3462         lambda.h, profile.c, tree-optimize.c, tree-sra.c, vec.h: Fix
3463         comment typos.  Follow spelling conventions.
3464
3465 2004-09-14  Kazu Hirata  <kazu@cs.umass.edu>
3466
3467         * config/darwin-c.c, config/alpha/alpha.c, config/i386/i386.c,
3468         config/i386/predicates.md, config/sparc/sparc.c: Follow
3469         spelling conventions.
3470
3471 2004-09-14  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
3472             Steven Bosscher  <stevenb@suse.de>
3473
3474         * Makefile.in (loop-unroll.o): Add HASHTAB_H and RECOG_H dependency.
3475         * basic-block.h (struct reorder_block_def): Add copy_number field.
3476         * cfgloop.h (biv_p): Declare.
3477         * cfgloopmanip.c (duplicate_loop_to_header_edge): Set copy_number.
3478         * common.opt (fsplit-ivs-in-unroller): New flag.
3479         * loop-iv.c (biv_p): New function.
3480         * loop-unroll.c: Include hashtab.h and recog.h.
3481         (struct iv_to_split, struct split_ivs_info): New types.
3482         (analyze_ivs_to_split, si_info_start_duplication, split_ivs_in_copies,
3483         free_si_info, si_info_hash, si_info_eq, analyze_iv_to_split_insn,
3484         determine_split_iv_delta, get_ivts_expr, allocate_basic_variable,
3485         insert_base_initialization, split_iv): New functions.
3486         (peel_loop_completely, unroll_loop_constant_iterations,
3487         unroll_loop_runtime_iterations, peel_loop_simple, unroll_loop_stupid):
3488         Use them.
3489         * doc/invoke.texi (-fsplit-ivs-in-unroller): Document.
3490
3491 2004-09-14  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
3492
3493         * tree-cfg.c (thread_jumps): Update dominators correctly in
3494         case destination of threaded edge dominates its source.
3495
3496 2004-09-14  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
3497
3498         * unroll.c: Removed.
3499         * loop.h: Removed.
3500         * Makefile.in (LOOP_H, unroll.o): Removed.
3501         (toplev.o, passes.o, stmt.o, integrate.o, loop.o): Remove LOOP_H
3502         dependency.
3503         * alias.c (init_alias_analysis): Remove flag_old_unroll_loops
3504         reference.
3505         * cfgloop.h (LOOP_PREFETCH, loop_optimize): Moved from loop.h.
3506         * common.opt (fold-unroll-loops, fold-unroll-all-loops): Removed.
3507         * loop.c: Do not include loop.h.
3508         (LOOP_INFO, LOOP_MOVABLES, LOOP_REGS, LOOP_IVS, INSN_LUID,
3509         REGNO_FIRST_LUID, REGNO_LAST_LUID, enum g_types, struct induction,
3510         struct iv_class, enum iv_mode, struct iv, REG_IV_TYPE, REG_IV_INFO,
3511         REG_IV_CLASS, struct loop_ivs, struct loop_mem_info, struct loop_reg,
3512         struct loop_regs, struct loop_movables, struct loop_info): Moved
3513         from loop.h.
3514         (back_branch_in_range_p, fold_rtx_mult_add, biv_total_increment,
3515         reg_dead_after_loop, final_biv_value, loop_find_equiv_value,
3516         find_common_reg_term, loop_iterations, final_giv_value): Moved
3517         from unroll.c.
3518         (uid_luid, uid_loop, max_uid_for_loop, max_reg_before_loop,
3519         loop_dump_stream, for_each_insn_in_loop, express_from,
3520         extend_value_for_giv, loop_iv_add_mult_emit_before,
3521         loop_iv_add_mult_sink, loop_iv_add_mult_hoist,
3522         loop_insn_first_p, get_condition_for_loop,
3523         loop_insn_emit_before, loop_insn_hoist,
3524         loop_insn_sink): Made static.
3525         (loop_invariant_p): Made static.  Removed flag_old_unroll_loops
3526         reference.
3527         (strength_reduce): Do not call unroller.
3528         (record_giv): Do not initialize unrolled field.
3529         (prescan_loop): Do not set loop_info->preconditioned.
3530         * passes.c: Do not include loop.h.
3531         (rest_of_handle_loop_optimize): Do not call unroller.
3532         * predict.c: Do not include loop.h.
3533         * rtl.h (NOTE_PRECONDITIONED): Removed.
3534         * stmt.c: Do not include loop.h.
3535         * toplev.c: Do not include loop.h.
3536         (process_options): Do not handle flag_old_unroll_loops.
3537
3538         * doc/invoke.texi (fold-unroll-loops, fold-unroll-all-loops):
3539         Documentation removed.
3540         * doc/passes.texi (unroll.c, loop.h): Documentation removed.
3541
3542 2004-09-14  Nathan Sidwell  <nathan@codesourcery.com>
3543
3544         * Makefile.in (STAGE1_CHECKING): New variable.
3545         (stage1_build): Use it.
3546         * tree-ssa.c (verify_ssa): Preserve state of dominance
3547         information.
3548
3549 2004-09-14  Uros Bizjak  <uros@kss-loka.si>
3550
3551         * config/i386/i386.c (output_fp_compare): Add generation
3552         of ftst instruction.
3553         * config/i386/i386.md (*cmpfp_0_sf, cmpfp_0_df, cmpfp_0_xf):
3554         Use output_fp_compare () function.
3555         (cmpfp_i, *cmpfp_i_sse, *cmpfp_i_sse_only): Fix insn constraint.
3556         (fix_truncdi_memory): Remove operands[5] copy.
3557
3558 2004-09-14  Kazu Hirata  <kazu@cs.umass.edu>
3559
3560         * config/m32r/m32r.md, config/m68k/m68kelf.h,
3561         config/mcore/mcore.md, config/rs6000/linux64.h,
3562         config/rs6000/rs6000.c, config/sparc/sparc.c: Fix comment
3563         typos.
3564
3565 2004-09-13  James E Wilson  <wilson@specifixinc.com>
3566
3567         * Makefile.in (GEN_PROTOS_OBJS): Add $(BUILD_ERRORS).
3568         * gen-protos.c: Include errors.h.
3569         (progname): Delete.
3570
3571 2004-09-14  Jan Hubicka  <jh@suse.cz>
3572
3573         * Makefile.in (predict.o): Depend on tree-scalar-evolution.h
3574         * predict.c: Include tree-scalar-evolution.h and cfgloop.h
3575         (predict_loops): Use number_of_iterations_exit to predict
3576         number of iterations on trees.
3577
3578 2004-09-13  Dale Johannesen  <dalej@apple.com>
3579
3580         PR 17408
3581         PR 17409
3582         * c-decl.c (start_decl): Repair TREE_STATIC for initialized
3583         objects declared extern.
3584
3585 2004-09-14  Paul Brook  <paul@codesourcery.com>
3586
3587         * config/arm/arm.c (arm_expand_prologue): Make args_to_push a
3588         HOST_WIDE_INT.
3589
3590 2004-09-13  Daniel Jacobowitz  <dan@debian.org>
3591
3592         * fold-const.c (fold_checksum_tree): Ignore TYPE_CACHED_VALUES.
3593         Only use TYPE_BINFO for aggregates.
3594
3595 2004-09-13  Daniel Jacobowitz  <dan@debian.org>
3596
3597         * expmed.c (synth_mult): Initialize latency.  Check cost before
3598         checking ops count.
3599
3600 2004-09-13  Kenneth Zadeck  <Kenneth.Zadeck@NaturalBridge.com>
3601
3602         * tree-ssa-operands.c (get_call_expr_operands): Added parm to
3603         add_call_clobber_ops and add_call_read_ops.
3604         (add_call_clobber_ops, add_call_read_ops): Added code to reduce
3605         the number of vdefs and vuses inserted based on analysis of global
3606         variables across calls.  * tree-dfa.c (find_referenced_vars):
3607         Needed to reset static var maps before each function is compiled.
3608         * cgraphunit.c:
3609         (static_vars_to_consider_by_tree,static_vars_to_consider_by_uid,
3610         static_vars_info,functions_to_static_vars_info,module_statics_escape,
3611         all_module_statics,searchc_env,dfs_info): New fields to support
3612         analysis of static global variables.
3613         (print_order, convert_UIDs_in_bitmap, new_static_vars_info,
3614         cgraph_reset_static_var_maps, get_global_static_vars_info,
3615         get_global_statics_not_read, get_global_statics_not_written,
3616         searchc, cgraph_reduced_inorder, has_proper_scope_for_analysis,
3617         check_rhs_var, check_lhs_var, get_asm_expr_operands,
3618         process_call_for_static_vars, scan_for_static_refs,
3619         cgraph_characterize_statics_local, cgraph_get_static_name_by_uid,
3620         clear_static_vars_maps, cgraph_propagate_bits,
3621         cgraph_characterize_statics): New. Functions to support analysis
3622         of static global variables.
3623         (cgraph_mark_local_and_external_functions): Renamed from:
3624         (cgraph_mark_local_functions)
3625         (cgraph_expand_all_functions): Remove call to
3626         cgraph_mark_local_and_external_functions.
3627         (cgraph_optimize): Added driver to analyze static variables whose
3628         scope is within the compilation unit.  * cgraph.h (struct
3629         cgraph_local_info, GTY): Added statics_read, statics_written,
3630         local, calls_read_all, calls_write_all, for_functions_valid.
3631         (struct cgraph_node): Added next_cycle.  * cgraph.c
3632         (dump_cgraph_node): Added print routines for new fields.  *
3633         makefile.in: macroized cgraph.h, added cgraphunit.c to the ggc
3634         list.
3635
3636 2004-09-13  Joseph S. Myers  <jsm@polyomino.org.uk>
3637
3638         * c-decl.c (grokdeclarator): Correct comments about where storage
3639         class specifiers are rejected by grammar and add corresponding
3640         asserts.  Diagnose typedefs and parameters declared inline.
3641         Change warning for inline main to a pedwarn.  Only diagnose inline
3642         main if hosted.
3643         (declspecs_add_scspec): Allow duplicate "inline".
3644
3645 2004-09-13  Steve Ellcey  <sje@cup.hp.com>
3646
3647         * config/ia64/ia64.c (ia64_scalar_mode_supported_p): New.
3648         (TARGET_SCALAR_MODE_SUPPORTED_P): New.
3649
3650 2004-09-13  Richard Henderson  <rth@redhat.com>
3651
3652         PR 17436
3653         * tree.h (TYPE_CONTAINS_PLACEHOLDER_INTERNAL): New.
3654         (tree_type): Replace spare with contains_placeholder_bits.
3655         (type_contains_placeholder_1): Rename from type_contains_placeholder_p,
3656         make static.  Remove seen_types list.
3657         (type_contains_placeholder_p): New.
3658
3659 2004-09-13  James E Wilson  <wilson@specifixinc.com>
3660
3661         * config/mips/mips.c (CODE_FOR_mips_sqrt_ps): New.
3662         (sb1_bdesc, bdesc_map, bdesc_arrays): New.
3663         (mips_expand_builtin): Add SB-1 support.  Use bdesc_map and
3664         bdesc_arrays instead of mips_bdesc.
3665         (mips_init_builtins): Likewise.
3666         * config/mips/mips.h (TARGET_SB1): New.
3667         (HAVE_SQRT_P): Delete.
3668         * config/mips/mips.md (divide_condition): Support V2SF.
3669         (sqrt_condition, recip_condition): New.
3670         (div<mode>3): Use ANYF instead of SCALARF.
3671         (*div<mode>3): Use ANYF instead of SCALARF.  Use UNITMODE instead of
3672         MODE.
3673         (*recip<mode>3, *rsqrt<mode>a, *rsqrt<mode>b): Use recip_condition
3674         instead of ISA_HAS_FP4.  Use ANYF instead of SCALARF.  Use UNITMODE
3675         instead of MODE.
3676         (sqrt<mode>2): Use sqrt_condition instead of HAVE_SQRT_P.  Use ANYF
3677         instead of SCALARF.  Use UNITMODE instead of MODE.
3678
3679 2004-09-13  Zack Weinberg  <zack@codesourcery.com>
3680
3681         * config.in: Regenerate after removal of libbanshee.
3682
3683 2004-09-13  Andrew MacLeod  <amacleod@redhat.com>
3684
3685         PR tree-optimization/17400
3686         * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Don't
3687         coalesce partitions when one occurs in an abnormal PHI.
3688
3689 2004-09-13  Andrew Pinski  <apinski@apple.com>
3690
3691         * config/rs6000/darwin.h (ASM_OUTPUT_COMMON): Change variable size's
3692         name to _new_size.
3693
3694 2004-09-13  Richard Henderson  <rth@redhat.com>
3695
3696         PR inline-asm/6806
3697         * cselib.c (cselib_invalidate_rtx): Export.  Remove unused args.
3698         (cselib_invalidate_rtx_note_stores): New.
3699         (cselib_record_sets, cselib_process_insn): Update to match.
3700         * cselib.h (cselib_invalidate_rtx): Declare.
3701         * postreload.c (reload_cse_simplify): Invalidate asm clobbers.
3702
3703 2004-09-13  Richard Henderson  <rth@redhat.com>
3704
3705         PR tree-opt/10528
3706         * tree-inline.c (copy_body_r): Recompute bits for ADDR_EXPR,
3707         after copying its argument.
3708
3709 2004-09-13  Joseph S. Myers  <jsm@polyomino.org.uk>
3710
3711         * c-common.c, c-decl.c, c-lex.c, c-objc-common.c, c-opts.c,
3712         c-parse.in, c-pragma.c, c-typeck.c: Use %q, %< and %> for quoting
3713         in diagnostics.  Use %' for English apostrophes.
3714         * c-tree.h (ATTRIBUTE_GCC_CDIAG): Define.
3715         (pedwarn_c90, pedwarn_c99): Use it.
3716         * c-decl.c (lookup_label): Quote label name in diagnostic.
3717         * c-parse.in (yyprint): Use ' instead of ` for left quote.
3718         * c-typeck.c (warn_for_assignment): Likewise.
3719
3720 2004-09-13  Jan Hubicka  <jh@suse.cz>
3721
3722         * i386.c (x86_schedule): New global variable.
3723         (override_options): Disable scheduling when not supported.
3724         * i386.h (x86_schedule): Declare.
3725         (TARGET_SCHEDULE): New macro.
3726
3727 2004-09-12  Richard Henderson  <rth@redhat.com>
3728
3729         PR c++/16254
3730         * fold-const.c (fold) <case CLEANUP_POINT_EXPR>: Remove.
3731         * tree.c, tree.h (has_cleanups): Remove.
3732
3733 2004-09-12  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
3734
3735         * tree-ssa-loop-manip.c (split_loop_exit_edge): Handle non-ssaname
3736         arguments of the phi nodes correctly.
3737
3738 2004-09-12  Jan Hubicka  <jh@suse.cz>
3739
3740         * ggc-common.c (cmp_statistics): Fix sorting.
3741
3742 2004-09-12  David Edelsohn  <edelsohn@gnu.org>
3743
3744         PR target/16795
3745         * expmed.c (expand_divmod): If cheap power of 2 divide is
3746         available, use it for negative constant as well.
3747
3748 2004-09-12  Andrew Pinski  <apinski@apple.com>
3749
3750         * darwin.h (ASM_OUTPUT_COMMON): Make sure we do not have a
3751         size of 0.
3752
3753         * tree-chrec.c (initialize_scalar_evolutions_analyzer): Remove.
3754
3755 2004-09-12  Richard Henderson  <rth@redhat.com>
3756
3757         * config/i386/i386.c (ix86_split_ashldi): Special case op1 as one
3758         or minus one.
3759         (ix86_split_ashrdi, ix86_split_lshrdi): Clean up conditions for
3760         post-reload, and scratch NULL.
3761         * config/i386/i386.md (testqi_1): Use FLAGS_REG name.
3762         (x86_shift_adj_2): Use ix86_expand_clear.
3763         (ashldi3): Remove CMOVE expansion difference.
3764         (ashldi3_1): Remove.
3765         (*ashldi3_1): Rename from *ashldi3_2.  Use reg_or_pm1_operand and
3766         add constraints for immediates.  New peephole for split-with-temp.
3767         Run splitter after peep2 pass.
3768         (ashrdi3, ashrdi3_1, ashrdi3_2): Similarly.
3769         (lshrdi3, lshrdi3_1, lshrdi3_2): Similarly.
3770         (setcc_2): Rename with *.
3771         * config/i386/predicates.md (reg_or_pm1_operand): New.
3772         (ashldi_input_operand): New.
3773
3774 2004-09-12  Richard Henderson  <rth@redhat.com
3775
3776         * print-rtl.c (print_decl_name): New.
3777         (print_mem_expr): Use it.
3778
3779 2004-09-12  Richard Henderson  <rth@redhat.com
3780
3781         PR 17186, part deux
3782         * except.c (sjlj_emit_function_exit): Fix logic locating
3783         sjlj_exit_after in final block.
3784
3785 2004-09-12  Toon Moene  <toon@moene.indiv.nluug.nl>
3786
3787         * common.opt: Remove flags -fmove-all-movables and
3788         -freduce-all-givs.
3789         * loop-invariant.c (find_invariants_to_move):
3790         Remove all uses of flag_move_all_movables.
3791         * loop.c (move_movables): Remove all uses of
3792         flag_move_all_movables.
3793         (strength_reduce): Remove all uses of
3794         flag_reduce_all_givs.
3795         * doc/invoke.texi: Remove documentation of flags
3796         -fremove-all-movables and -freduce-all-givs.
3797
3798 2004-09-11  Roger Sayle  <roger@eyesopen.com>
3799
3800         PR middle-end/17411
3801         * tree-sra.c (generate_element_zero): Revert recent build_int_cst
3802         change. elt->type may be a floating point type, so use fold_convert.
3803
3804 2004-09-11  Geoffrey Keating  <geoffk@apple.com>
3805
3806         * config/darwin.c (machopic_validate_stub_or_non_lazy_ptr): Mark
3807         the thing referenced as used, not the stub itself.
3808
3809 2004-09-11  Joseph S. Myers  <jsm@polyomino.org.uk>
3810
3811         * c-tree.h (enum c_storage_class): New.
3812         (struct c_declspecs): Add storage_class, inline_p and thread_p.
3813         * c-decl.c (shadow_tag_warned): Give errors for "inline" in empty
3814         declarations and "auto" or "register" in file scope empty
3815         declarations.  Give more specific warnings for other cases of
3816         storage class specifiers in empty declarations.
3817         (grokdeclarator): Update for new structures.  Don't check for
3818         multiple storage classes.  Diagnose file-scope "register" if
3819         pedantic.
3820         (build_null_declspecs): Update.
3821         (declspecs_add_scspec): Update.  Diagnose multiple storage class
3822         specifiers and invalid uses of "__thread".
3823
3824 2004-09-11  Zack Weinberg  <zack@codesourcery.com>
3825
3826         * tree.c (tree_code_size): New function, bulk of code from tree_size.
3827         (tree_size, make_node): Use it.
3828         * tree-ssa-pre.c (init_pre): Use it.
3829         * tree.h: Prototype it.
3830
3831 2004-09-11  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
3832
3833         * tree-cfg.c (set_bb_for_stmt): Use PHI_BB.
3834         * tree-dfa.c (compute_immediate_uses, add_immediate_use,
3835         redirect_immediate_use): Use PHI_DF.
3836         * tree-flow-inline.h (stmt_ann): Abort on phi nodes.
3837         (bb_for_stmt): Use PHI_BB.
3838         (get_immediate_uses): Use PHI_DF.
3839         * tree-ssa-dse.c (max_stmt_uid): New variable.
3840         (get_stmt_uid): New function.
3841         (dse_optimize_stmt, dse_record_phis, tree_ssa_dse): Do not use phi
3842         node annotations.
3843         * tree-ssa-loop-im.c (LIM_DATA): Do not use phi statement annotations.
3844         (max_uid): Renamed to max_stmt_uid.
3845         (get_stmt_uid): New function.
3846         (maybe_queue_var, single_reachable_address, determine_lsm): Do not use
3847         phi node annotations.
3848         * tree-ssa.c (replace_immediate_uses): Do not use phi node annotations.
3849         * tree.h (PHI_BB, PHI_DF): New accessor functions.
3850         (struct tree_phi_node): Add bb and df fields.
3851
3852 2004-09-11  Richard Henderson  <rth@redhat.com>
3853
3854         PR middle-end/17416
3855         * cfgexpand.c (expand_used_vars_for_block): Fix off-by-one bug
3856         in conflict loop.
3857
3858 2004-09-11  Jan Hubicka  <jh@suse.cz>
3859
3860         * i386.h (MODE_NEEDED): Calls need UNINITIALIZED mode; add comment.
3861         (EMIT_MODE_SET): UNINITIALIZED mode needs no set.
3862         * i386.md (i387_cw): Add 'uninitialized' mode.
3863
3864         * profile.c (BB_TO_GCOV_INDEX): move more to the front.
3865         (output_location): Break out from ....
3866         (branch_prob): ... here; handle gcov output on trees.
3867         * toplev.c (process_options): No longer be sorry about coverage for
3868         trees.
3869
3870 2004-09-11  Steven Bosscher  <stevenb@suse.de>
3871
3872         PR c++/17412
3873         * fold-const.c (fold): Do not try to fold the operand of a
3874         CLEANUP_POINT_EXPR if that operand does itself not have any
3875         operands.
3876
3877         PR middle-end/17417
3878         * langhooks.c (lhd_decl_printable_name): Make sure that this
3879         function is called with is a decl node that has an identifier.
3880         * tree-pretty-print.c (dump_function_name): New function to
3881         wrap PRINT_FUNCTION_NAME and dump_decl_name.
3882         (print_call_name): Use it.
3883
3884 2004-09-11  Mohan Embar  <gnustuff@thisiscool.com>
3885
3886         * ggc-none.c: Include "bconfig.h" if -DGENERATOR_FILE,
3887         "config.h" if not.
3888
3889 2004-09-11  Jakub Jelinek  <jakub@redhat.com>
3890
3891         * tree-ssa-alias.c (collect_points_to_info_r): Handle
3892         pointing to PTR + OFFSET as PTR, not as pointing to PTR or pointing
3893         to OFFSET.
3894
3895 2004-09-11  Richard Henderson  <rth@redhat.com>
3896
3897         * expr.c (expand_expr_addr_expr_1) Rename from expand_expr_addr_expr.
3898         (expand_expr_addr_expr): New function.  Take ADDR_EXPR instead of the
3899         operand of the ADDR_EXPR.
3900         (expand_expr_real_1): Update to match.
3901
3902 2004-09-11  David Edelsohn  <edelsohn@gnu.org>
3903
3904         PR target/17277
3905         * config/rs6000/aix.h (MD_FROB_UPDATE_CONTEXT): Use __64BIT__ to
3906         choose 64-bit version.
3907
3908 2004-09-11  Richard Henderson  <rth@redhat.com>
3909
3910         PR c/17396
3911         * c-typeck.c (build_unary_op): Add legacy offsetof hack.
3912
3913 2004-09-11  Kazu Hirata  <kazu@cs.umass.edu>
3914
3915         * doc/cfg.texi, doc/hostconfig.texi, doc/install.texi,
3916         doc/invoke.texi, doc/md.texi, doc/tm.texi, doc/tree-ssa.texi:
3917         Insert @: after i.e. or e.g.
3918
3919 2004-09-10  Geoffrey Keating  <geoffk@apple.com>
3920
3921         * tree-pretty-print.c (dump_decl_name): Print unnamed decls as
3922         D.xxx rather than <Dxxx>.
3923
3924 2004-09-10  Adam Nemet  <anemet@lnxw.com>
3925
3926         * configure.ac (AC_MSG_CHECKING(what linker to use)):
3927         in_tree_ld_is_elf should be true for LynxOS.
3928         * configure: Regenerate.
3929
3930 2004-09-10  Adam Nemet  <anemet@lnxw.com>
3931
3932         * Makefile.in (all.cross): Add srcextra.
3933
3934 2004-09-10  Roger Sayle  <roger@eyesopen.com>
3935
3936         PR middle-end/17024
3937         * fold-const.c (fold_cond_expr_with_comparison): Handle unordered
3938         floating point comparison operators.  Change aborts to gcc_asserts.
3939
3940 2004-09-10  Geoffrey Keating  <geoffk@apple.com>
3941
3942         * final.c (output_asm_insn): Correct problem with -fverbose-asm.
3943
3944 2004-09-10  James E Wilson  <wilson@specifixinc.com>
3945
3946         * Makefile.in (LIBGCC_DEPS): Delete duplicate stmp-int-hdrs reference.
3947         (stmp-fixproto): Change stmp-int-headers to stmp-int-hdrs in comment.
3948
3949         * convert.c (convert_to_vector): Replace recursive call with
3950         error_mark_node.
3951
3952         * emit-rtl.c (gen_const_vector): Renamed from gen_const_vector_0.
3953         Add integer argument named constant.  Use const_tiny_rtx instead of
3954         CONST0_RTX.
3955         (gen_rtx_CONST_VECTOR): Rewrite to handle checks for both CONST0_RTX
3956         and CONST1_RTX.
3957         (init_emit_once): Fix users of gen_const_vector.  Set CONST1_RTX for
3958         vector types.
3959         * expr.c (const_vector_from_tree): Call gen_rtx_CONST_VECTOR instead
3960         of gen_rtx_raw_CONST_VECTOR.
3961
3962 2004-09-10  Eric Christopher  <echristo@redhat.com>
3963
3964         PR c/16046
3965         * c-parse.in (attribute): Add NULL_TREE for error case
3966         for error recovery.
3967
3968 2004-09-10  Zack Weinberg  <zack@codesourcery.com>
3969
3970         * c-common.h (struct c_fileinfo): Comment moved here from cp-tree.h.
3971         (extract_interface_info): Delete prototype.
3972         * c-decl.c (extract_interface_info): Delete stub.
3973         * c-lex.c (get_fileinfo): Initialize file_info_tree here, if
3974         it's not already been done ...
3975         (init_c_lex): ... not here.
3976         (fe_file_change): Don't call extract_interface_info.
3977
3978 2004-09-11  Joseph S. Myers  <jsm@polyomino.org.uk>
3979
3980         * c-tree.h (struct c_declspecs): Remove typedef_decl.  Add
3981         typedef_p and typedef_signed_p.
3982         * c-decl.c (shadow_tag_warned): Check typedef_p, not typedef_decl.
3983         (grokdeclarator): Don't use typedef_decl for warn_deprecated_use.
3984         Check typedef_p and typedef_signed_p, not typedef_decl.
3985         (grokfield): Check typedef_p, not typedef_decl.
3986         (build_null_declspecs): Initialize typedef_p and typedef_signed_p,
3987         not typedef_decl.
3988         (declspecs_add_type): Set typedef_p and typedef_signed_p, not
3989         typedef_decl.
3990
3991 2004-09-10  Kazu Hirata  <kazu@cs.umass.edu>
3992
3993         * doc/tm.texi, doc/tree-ssa.texi: Fix typos.
3994
3995 2004-09-10  Geoffrey Keating  <geoffk@apple.com>
3996
3997         * gimplify.c (create_tmp_var_raw): Don't name otherwise-nameless
3998         temporary variables.
3999
4000         * dbxout.c (dbxout_block): Update for
4001         current_function_func_begin_label a string.
4002         * dwarf2out.c (dwarf2out_begin_prologue): Likewise.
4003         * except.c (dw2_output_call_site_table): Likewise.
4004         * toplev.c (current_function_func_begin_label): Likewise.
4005         * tree.h (current_function_func_begin_label): Likewise.
4006         * config/rs6000/linux64.h (DBX_OUTPUT_BRAC): Likewise.
4007
4008         * final.c (output_asm_insn): Use strtoul instead of atoi, save a
4009         loop.
4010
4011         * config/darwin.c: Include target.h.
4012         (struct machopic_indirection): Make ptr_name a string.
4013         (machopic_indirection_hash): Update for ptr_name a string.
4014         (machopic_indirection_eq): Likewise.
4015         (machopic_indirection_name): Likewise.
4016         (machopic_output_indirection): Likewise.
4017         (machopic_validate_stub_or_non_lazy_ptr): Update for ptr_name a
4018         string.  Don't expect stub names to be in the identifier hash table.
4019         Do call strip_name_encoding before looking up entry in ID hash table.
4020         * config/t-darwin (darwin.o): Add target.h to dependencies.
4021
4022         * gcc/config/rs6000/rs6000.c (print_operand): Use fputs instead
4023         of fprintf for register names.
4024
4025         * output.h (unlikely_section_label): Delete declaration.
4026         (unlikely_text_section_name): Likewise.
4027         * varasm.c (unlikely_section_label_printed): Make static.
4028         (unlikely_section_label): Likewise.
4029         (unlikely_text_section_name): Likewise.
4030         (assemble_start_function): Use reconcat.
4031
4032         * rtl.def (REG): Add comment to describe third field.
4033
4034 2004-09-10  Andrew Pinski  <apinski@apple.com>
4035
4036         * config/darwin.c (machopic_mcount_stub_name): Call
4037         machopic_indirection_name instead of making the string
4038         ourselves.
4039
4040 2004-09-10  Diego Novillo  <dnovillo@redhat.com>
4041
4042         Revert
4043
4044         2004-09-08  Jie Zhang  <zhangjie@magima.com.cn>
4045
4046             * tree-ssa-alias.c (compute_flow_insensitive_aliasing): If type
4047             memory tag is call clobbered, so are its aliases.
4048             (group_aliases): When two memory tags being grouped, if one is
4049             call clobbered, so are the other and its aliases.
4050             (add_may_alias): Remove call-clobbering stuff.
4051             (replace_may_alias): Likewise.
4052             (merge_pointed_to_info): Merge pt_global_mem
4053
4054 2004-09-10  Kazu Hirata  <kazu@cs.umass.edu>
4055
4056         * bb-reorder.c, c-common.c, c-incpath.c, c-typeck.c,
4057         genrecog.c, lambda-code.c, mips-tdump.c, mips-tfile.c,
4058         passes.c, tree-data-ref.c, tree-data-ref.h, tree-mudflap.c,
4059         tree-scalar-evolution.c, tree-ssa-copyrename.c,
4060         tree-ssa-live.c, tree-ssa-live.h: Fix comment typos.
4061
4062 2004-09-10  Richard Sandiford  <rsandifo@redhat.com>
4063
4064         * config/frv/frv.md (UNSPEC_MASACCS, UNSPEC_MDASACCS): New constants.
4065         (maddaccs, msubaccs, *maddacc): Turn operand 0 into a single ACC/ACCG
4066         pair.  Remove match_dup from inputs.  Remove masaccs handling.
4067         (mdaddaccs, mdsubaccs, *mdaddacc): Likewise a dual ACC/ACCG pair.
4068         (masaccs, mdasaccs): Turn into define_insns.
4069
4070 2004-09-10  Richard Sandiford  <rsandifo@redhat.com>
4071
4072         * tree-tailcall.c (process_assignment): Only do accumulator transforms
4073         for floating-point types if flag_unsafe_math_optimizations.
4074
4075 2004-09-10  Kazu Hirata  <kazu@cs.umass.edu>
4076
4077         * config/darwin.c, config/alpha/alpha.h, config/arm/arm.c,
4078         config/arm/arm.h, config/arm/arm.md, config/arm/bpabi.h,
4079         config/arm/predicates.md, config/frv/frv.c, config/frv/frv.md,
4080         config/h8300/h8300.md, config/i386/gmm_malloc.h,
4081         config/ia64/ia64.md, config/ip2k/libgcc.S,
4082         config/mips/mips-ps-3d.md, config/mips/mips.c,
4083         config/rs6000/rs6000.c, config/s390/s390.c,
4084         config/sh/symbian.c: Fix comment typos.
4085
4086 2004-09-10  Andreas Krebbel  <krebbel1@de.ibm.com>
4087
4088         * config/s390/s390.c (s390_emit_prologue): Added missing
4089         "{}" brackets.
4090
4091 2004-09-10  Kazu Hirata  <kazu@cs.umass.edu>
4092
4093         * doc/extend.texi, doc/invoke.texi, doc/passes.texi: Fix
4094         typos.  Follow spelling conventions.
4095
4096 2004-09-10  Joseph S. Myers  <jsm@polyomino.org.uk>
4097
4098         * toplev.c (warn_deprecated_use): Correct logic for saying "type"
4099         in diagnostic.  Don't dereference NULL TYPE_NAME.
4100
4101 2004-09-10  Kazu Hirata  <kazu@cs.umass.edu>
4102
4103         * c-common.c, c-pch.c, defaults.h, lambda-code.c, passes.c,
4104         tree-data-ref.c, tree-flow.h, tree-ssa-operands.c,
4105         tree-ssa-threadupdate.c, tree-vectorizer.c, tree-vectorizer.h,
4106         value-prof.c: Fix comment typos.  Follow spelling conventions.
4107
4108 2004-09-10  Jan Hubicka  <jh@suse.cz>
4109
4110         * tree-ssa-dce.c (remove_dead_stmt): Update profile.
4111         * tree-split_edge.c (tree_split_edge): Likewise.
4112         (thread_jumps): Likewise.
4113
4114 2004-09-10  Kazu Hirata  <kazu@cs.umass.edu>
4115
4116         * cgraphunit.c, predict.c, tree-ssa-loop-ivopts.c: Fix comment
4117         typos.
4118
4119 2004-09-10  Paolo Bonzini  <bonzini@gnu.org>
4120
4121         * cgraph.h (cgraph_dump_file): Do not declare.
4122         * cgraphunit.c (cgraph_dump_file): Declare as static.
4123         (init_cgraph): New.
4124         * toplev.c (cgraph_dump_file): Do not declare.
4125         (compile_file): Call init_cgraph.
4126         * tree-dump.c (dump_files): Add IPA dump file, remove
4127         XML dump of call graph.
4128         (get_dump_file_name): Support IPA dump file naming scheme.
4129         * tree.h (enum tree_dump_index): Add IPA dump file, remove
4130         XML dump of call graph.
4131         * doc/invoke.texi (Debugging Options): Document the new options.
4132
4133 2004-09-10  Richard Sandiford  <rsandifo@redhat.com>
4134
4135         * doc/extend.texi: Document the FR-V built-in functions.
4136
4137 2004-09-09  James E Wilson  <wilson@specifixinc.com>
4138
4139         * doc/sourcebuild.texi: Delete libbanshee reference.
4140
4141 2004-09-10  Kelley Cook  <kcook@gcc.gnu.org>
4142
4143         * Makefile.in (s-gtype): Add $(build_exeext) to gengtype command.
4144
4145 2004-09-09  James E Wilson  <wilson@specifixinc.com>
4146
4147         * c-typeck.c (convert_for_assignment): Check that rhs has VECTOR_TYPE
4148         before calling vector_types_convertible_p.
4149         (digest_init): Check that inside_init has VECTOR_TYPE before calling
4150         vector_types_convertible_p.  Don't give another error if
4151         convert_for_assignment returns error_mark_node.
4152
4153 2004-09-09  Roger Sayle  <roger@eyesopen.com>
4154
4155         PR middle-end/17055
4156         * fold-const.c (build_zero_vector): New function to construct a
4157         vector (either floating point or integer) of zeros.
4158         (fold_convert): Internally, enable conversions of integer zero
4159         to arbitrary vector types, using the new build_zero_vector.
4160
4161 2004-09-09  Roger Sayle  <roger@eyesopen.com>
4162
4163         * config/i386/i386.c (ix86_expand_ashlsi3_const): New function to
4164         expand a left shift by an immediate constant as either an ashl or
4165         a sequence of additions.
4166         (ix86_split_ashldi): Use new ix86_expand_ashlsi3_const function
4167         instead of calling gen_ashlsi3 with a constant directly.
4168
4169 2004-09-09  Roger Sayle  <roger@eyesopen.com>
4170
4171         * config/i386/i386.c (ix86_split_long_move): When optimizing for
4172         size, and the low and high parts of a DImode constant are equal,
4173         copy one register to another instead of loading the same immediate
4174         value twice.
4175
4176 2004-09-09  Richard Henderson  <rth@redhat.com>
4177
4178         PR middle-end/17367
4179         * function.c (assign_parm_setup_block): Only put PARALLELs into
4180         a register if use_register_for_decl.
4181
4182 2004-09-09  Eric Christopher  <echristo@redhat.com>
4183
4184         * ra-colorize.c (reset_lists): Move variable declaration inside
4185         ENABLE_CHECKING to avoid unused variable warnings when
4186         not --enable-checking.
4187         (check_colors): Ditto.
4188
4189 2004-09-09  Mike Stump  <mrs@apple.com>
4190
4191         * version.c (version_string): Bump to 4.0.0.
4192         * doc/include/gcc-common.texi (version-GCC): Likewise.
4193
4194 2004-09-10  Jakub Jelinek  <jakub@redhat.com>
4195
4196         * doc/extend.texi (nothrow attribute): The attribute is not
4197         implemented in 3.2 and earlier.
4198
4199 2004-09-09  Steve Ellcey  <sje@cup.hp.com>
4200
4201         * genrecog.c (compute_predicate_codes): Use op0_codes
4202         instead of codes.
4203
4204 2004-09-09  Ulrich Weigand  <uweigand@de.ibm.com>
4205
4206         * ra-colorize.c (hardregset_to_string): Adapt to HARD_REG_SET
4207         implementation changes.
4208
4209 2004-09-09  Ulrich Weigand  <uweigand@de.ibm.com>
4210
4211         * combine.c (try_combine): When swapping i2 and i3, newi2pat may be
4212         a PARALLEL instead of a SET due to added clobbers.
4213
4214 2004-09-09  Ulrich Weigand  <uweigand@de.ibm.com>
4215
4216         * reload.c (find_reloads_address): Pass correct operand to
4217         maybe_memory_address_p.
4218
4219 2004-09-09  Daniel Berlin  <dberlin@dberlin.org>
4220
4221         * Makefile.in: Remove libbanshee, tree-alias-*.
4222         Remove tree-alias-common.h dependencies.
4223         * common.opt: Remove -ftree-points-to.
4224         * configure.ac: Remove libbanshee.
4225         * flags.h: Remove pta_type, flag_tree_points_to.
4226         * gengtype.c (open_base_files): Remove tree-alias-type.h.
4227         * opts.c (OPT_ftree_points_to): Remove.
4228         * toplev.c: Remove tree-alias-common.h, flag_tree_points_to.
4229         * tree-dfa.c: Remove tree-alias-common.h
4230         * tree-into-ssa.c: Ditto.
4231         * tree-outof-ssa.c: Ditto.
4232         * tree-ssa-copyrename.c: Ditto.
4233         * tree-ssa-live.c: Ditto.
4234         * tree-optimize.c: Ditto.
4235         * tree-ssa.c: Ditto.
4236         Remove pass_build_pta, pass_del_pta.
4237         * tree-pass.h: Ditto.
4238         * tree-ssa-alias.c: Remove tree-alias-common.h.
4239         (struct alias_stats_d): Remove pta_queries, pta_resolved.
4240         (pass_may_alias): Remove PROP_pta requirement.
4241         (may_alias_p): Remove pta_queries, pta_resolved, use of andersens.
4242         (get_tmt_for): Ditto.
4243         (dump_alias_stats): Ditto.
4244         * doc/passes.texi: Remove blurb about points-to analysis.
4245         * fortran/Make-lang.in: Remove tree-alias-*.o.
4246
4247 2004-09-09  Richard Sandiford  <rsandifo@redhat.com>
4248
4249         * genattrtab.c (write_insn_cases): New function, split out from
4250         write_attr_case.  Correctly handle define_peepholes when printing
4251         the instruction name.
4252         (write_attr_case, write_const_num_delay_slots): Use write_insn_cases.
4253
4254 2004-09-09  Hans-Peter Nilsson  <hp@axis.com>
4255
4256         PR target/17377
4257         * config/cris/cris-protos.h (cris_return_address_on_stack): Declare.
4258         * config/cris/cris.c (cris_return_address_on_stack): New function.
4259         * config/cris/cris.md ("return"): For location of return address,
4260         also check cris_return_address_on_stack.
4261
4262 2004-09-09  Diego Novillo  <dnovillo@redhat.com>
4263
4264         * tree-outof-ssa.c (coalesce_abnormal_edges): Fix typo in
4265         calling phi_ssa_name_p.
4266
4267 2004-09-09  Richard Henderson  <rth@redhat.com>
4268
4269         PR c/17322
4270         * c-typeck.c (valid_compound_expr_initializer): Use only
4271         initializer_constant_valid_p, and not TREE_CONSTANT.
4272         (digest_init): Likewise.
4273         (output_init_element): Likewise.
4274
4275 2004-09-09  Giovanni Bajo  <giovannibajo@gcc.gnu.org>
4276
4277         * ra-build.c (copy_insn_p, remember_move, defuse_overlap_p_1,
4278         live_out_1, prune_hardregs_for_mode, init_one_web_common,
4279         reinit_one_web, add_subweb, add_subweb_2, init_web_parts,
4280         record_conflict, compare_and_free_webs, init_webs_defs_uses,
4281         parts_to_webs_1, parts_to_webs, reset_conflicts,
4282         check_conflict_numbers, remember_web_was_spilled, handle_asm_insn,
4283         ra_build_free): Use gcc_assert and gcc_unreachable instead of abort.
4284         * ra-colorize.c (push_list, put_web, reset_lists, put_web_at_end,
4285         put_move, remove_move, combine, select_spill, colorize_one_web,
4286         try_recolor_web, insert_coalesced_conflicts, check_colors,
4287         break_precolored_alias, restore_conflicts_from_coalesce,
4288         sort_and_combine_web_pairs, check_uncoalesced_moves): Likewise.
4289         * ra-rewrite.c (spill_coalescing, slots_overlap_p, emit_loads,
4290         reloads_to_loads, rewrite_program2, emit_colors): Likewise.
4291         * ra.c (first_hard_reg, create_insn_info, find_subweb, init_ra,
4292         check_df): Likewise.
4293         * real.c (do_add, do_multiply, do_divide, do_compare, do_fix_trunc,
4294         real_arithmetic, real_compare, real_exponent, real_ldexp,
4295         real_identical, real_to_integer, real_to_integer2, real_to_decimal,
4296         real_to_hexadecimal, real_from_integer, ten_to_ptwo, ten_to_mptwo,
4297         real_digit, real_nan, real_maxval, round_for_format, real_convert,
4298         real_to_target, real_from_target, real_hash, encode_ieee_single,
4299         encode_ieee_double, encode_ieee_extended, encode_ieee_quad,
4300         encode_vax_f, encode_vax_d, encode_vax_g, encode_i370_single,
4301         encode_i370_double, encode_c4x_single, encode_c4x_extended): Likewise.
4302         * recog.c (validate_change, validate_replace_rtx_1, asm_operand_ok,
4303         extract_insn, peep2_next_insn, peep2_reg_dead_p,
4304         peep2_find_free_register, peephole2_optimize, store_data_bypass_p,
4305         if_test_bypass_p): Likewise.
4306         * reg-stack.c (record_label_references, get_asm_operand_n_inputs,
4307         stack_result, remove_regno_note, get_hard_regnum, emit_pop_insn,
4308         emit_swap_insn, swap_to_top, move_for_stack_reg,
4309         subst_stack_regs_pat, subst_asm_stack_regs, change_stack,
4310         compensate_edge, convert_regs_1): Likewise.
4311         * regclass.c (init_reg_sets, init_reg_sets_1,
4312         memory_move_secondary_cost): Likewise.
4313         * regrename.c (note_sets, clear_dead_regs, scan_rtx_reg, scan_rtx):
4314         Likewise.
4315         * reload.c (push_secondary_reload, find_valid_class, push_reload,
4316         operands_match_p, decompose, immune_p, find_reloads,
4317         find_reloads_toplev, find_reloads_address_1, subst_reloads,
4318         copy_replacements, refers_to_regno_for_reload_p,
4319         reg_overlap_mentioned_for_reload_p): Likewise.
4320         * reload1.c (compute_use_by_pseudos, replace_pseudos_in, reload,
4321         count_pseudo, find_reg, eliminate_regs, eliminate_regs_in_insn,
4322         verify_initial_elim_offsets, finish_spills, clear_reload_reg_in_use,
4323         reload_reg_free_p, reload_reg_reaches_end_p, reloads_conflict,
4324         choose_reload_regs, merge_assigned_reloads, emit_input_reload_insns,
4325         do_output_reload, fixup_abnormal_edges): Likewise.
4326         * reorg.c (stop_search_p, emit_delay_sequence, get_jump_flags,
4327         fill_slots_from_thread, relax_delay_slots): Likewise.
4328         * resource.c (mark_referenced_resources, mark_set_resources):
4329         Likewise.
4330         * rtl.c (copy_rtx, rtx_equal_p): Likewise.
4331         * rtlanal.c (insn_dependent_p, reg_overlap_mentioned_p,
4332         dead_or_set_p, find_reg_fusage, remove_note, replace_rtx,
4333         subreg_lsb_1, subreg_regno_offset, subreg_offset_representable_p,
4334         find_first_parameter_load, can_hoist_insn_p, hoist_update_store,
4335         hoist_insn_after, hoist_insn_to_edge, nonzero_bits1): Likewise.
4336         * rtlhooks.c (gen_lowpart_general): Likewise.
4337         * sbitmap.c (sbitmap_difference): Likewise.
4338         * sched-deps.c (add_dependence, sched_analyze_1, sched_analyze_2,
4339         sched_analyze, add_forward_dependence): Likewise.
4340         * sched-ebb.c (fix_basic_block_boundaries, schedule_ebb): Likewise.
4341         * sched-rgn.c (debug_regions, compute_trg_info, schedule_region,
4342         schedule_insns): Likewise.
4343         * sched-vis.c (print_pattern): Likewise.
4344         * sdbout.c (sdbout_symbol, sdbout_toplevel_data): Likewise.
4345         * simplify-rtx.c (simplify_unary_operation, simplify_binary_operation,
4346         simplify_const_relational_operation, simplify_ternary_operation,
4347         simplify_immed_subreg, simplify_subreg, simplify_gen_subreg):
4348         Likewise.
4349         * sreal.c (copy, sreal_sub, sreal_div): Likewise.
4350         * stmt.c (force_label_rtx, expand_goto, expand_asm_operands,
4351         resolve_operand_name_1, expand_return, expand_decl,
4352         expand_anon_union_decl, emit_case_bit_tests, expand_case): Likewise.
4353         * stor-layout.c (put_pending_size, smallest_mode_for_size,
4354         int_mode_for_mode, layout_decl, finish_builtin_struct, layout_type,
4355         set_sizetype, get_mode_bounds): Likewise.
4356
4357 2004-09-09  Zack Weinberg  <zack@codesourcery.com>
4358
4359         * defaults.h (MULTIPLE_SYMBOL_SPACES): Provide default.
4360         * config/arm/pecoff.h, config/i386/beos-elf.h
4361         * config/i386/cygming.h, config/i386/i386-interix.h:
4362         Define MULTIPLE_SYMBOL_SPACES to 1, not nothing.  Remove
4363         comment cloned from manual.
4364         * doc/tm.texi: Update description of MULTIPLE_SYMBOL_SPACES.
4365
4366 2004-09-09  Frank Ch. Eigler  <fche@redhat.com>
4367
4368         * builtins.c (build_va_arg_indirect_ref): New function.
4369         (std_gimplify_va_arg_expr): Call it instead of mudflap check and
4370         build_fold_indirect_ref.
4371         * config/i386/i386.c (ix86_gimplify_va_arg): Ditto.
4372         * config/ia64/ia64.c (ia64_gimplify_va_arg): Ditto.
4373         * tree.h: Declare new function.
4374
4375 2004-09-09  Nathan Sidwell  <nathan@codesourcery.com>
4376
4377         * cgraphunit.c (cgraph_mark_functions_to_output): Renable node
4378         dumping for development builds.
4379         * emit-rtl.c (verify_rtx_sharing): Give verbose failure for
4380         development builds only.
4381         * genattrtab.c (write_eligible_delay): Fix typo in previous
4382         commit.
4383         * tree.c (iterative_hash_expr): Replace gcc_unreachable with
4384         gcc_assert.
4385
4386 2004-09-09  Nathan Sidwell  <nathan@codesourcery.com>
4387
4388         * gcse.c (INSN_CUID, insert_set_in_table, find_avail_set,
4389         cprop_insn, do_local_cprop, local_cprop_pass, find_bypass_set,
4390         process_insert_insn, insert_insn_end_bb, pre_insert_copy_insn,
4391         hoist_code, extract_mentioned_regs_helper, compute_store_table,
4392         insert_store): Use gcc_assert and gcc_unreachable.
4393         * ggc-common.c (ggc_splay_alloc, ggc_splay_dont_free,
4394         gt_pch_note_object, gt_pch_note_reorder, relocate_ptrs,
4395         ggc_record_overhead): Likewise.
4396         * ggc-page.c (alloc_page, free_page, ggc_set_mark, ggc_marked_p,
4397         init_ggc, ggc_push_context, ggc_recalculate_in_use_p,
4398         ggc_pop_context, clear_marks, validate_free_objects,
4399         ggc_pch_read): Likewise.
4400         * ggc-zone.c (ggc_allocated_p, free_chunk, ggc_set_mark,
4401         ggc_marked_p, ggc_get_size, init_ggc, destroy_ggc_zone,
4402         ggc_push_context, check_cookies, ggc_collect,
4403         ggc_print_statistics): Likewise.
4404         * gimple-low.c (lower_function_body, lower_stmt,
4405         lower_bind_expr): Likewise.
4406         * gimplify.c (gimple_tree_eq, push_gimplify_context,
4407         pop_gimplify_context, gimple_pop_condition, create_tmp_var,
4408         declare_tmp_vars, gimple_add_tmp_var, annotate_all_with_locus,
4409         mostly_copy_tree_r, gimplify_return_expr, gimplify_switch_expr,
4410         gimplify_case_label_expr, gimplify_exit_block_expr,
4411         canonicalize_component_ref, gimplify_compound_lval,
4412         gimplify_self_mod_expr, gimplify_call_expr,
4413         gimplify_init_ctor_eval, gimplify_init_constructor,
4414         gimplify_modify_expr, gimplify_save_expr, gimplify_target_expr,
4415         gimplify_expr, check_pointer_types_r,
4416         force_gimple_operand): Likewise.
4417         * global.c (global_alloc, build_insn_chain): Likewise.
4418         * graph.c (clean_graph_dump_file,
4419         finish_graph_dump_file): Likewise.
4420         gcov-io.c (gcov_open): Use GCOV_CHECK.
4421
4422 2004-09-09  Richard Sandiford  <rsandifo@redhat.com>
4423
4424         * config/frv/frv.c (acc_operand, accg_operand): Use REGNO.
4425
4426 2004-09-09  Jan Hubicka  <jh@suse.cz>
4427
4428         middle-end/17128
4429         * tree-inline.c (expand_call_inline): Make overactive sanity check
4430         happy.
4431
4432 2004-09-09  Jan Hubicka  <jh@suse.cz>
4433
4434         * tree-ssa-loop-ivopts.c (peel_address): Fix abort on
4435         VIEW_CONVERT_EXPR.
4436
4437 2004-09-09  Nathan Sidwell  <nathan@codesourcery.com>
4438
4439         * Makefile.in (gengtype): Use $(BUILD_ERRORS).
4440         (gengtype.o): Depend on errors.h.
4441         * genattrtab.c (strcmp_check): Use gcc_assert and gcc_unreachable.
4442         (attr_rtx_1, attr_printf, attr_copy_rtx, evaluate_eq_attr,
4443         attr_alt_subset_p, attr_alt_subset_of_compl_p,
4444         attr_alt_intersection, attr_alt_union, optimize_attrs, gen_insn,
4445         write_test_expr, write_attr_value, write_eligible_delay,
4446         make_internal_attr, make_numeric_value): Likewise.
4447         * genautomata.c (regexp_name, get_str_vect,
4448         gen_presence_absence_set, automaton_decl_hash,
4449         automaton_decl_eq_p, insn_decl_hash, insn_decl_eq_p, decl_hash,
4450         decl_eq_p, process_regexp, loop_in_regexp, check_loops_in_regexps,
4451         process_regexp_cycles, reserv_sets_cmp, set_unit_reserv,
4452         test_unit_reserv, it_is_empty_reserv_sets,
4453         reserv_sets_are_intersected, reserv_sets_shift, reserv_sets_or,
4454         reserv_sets_and, output_cycle_reservs, get_free_state,
4455         intersected_state_reservs_p, states_union, remove_arc,
4456         copy_insn_regexp, transform_1, transform_2, transform_3,
4457         regexp_transform_func, store_alt_unit_usage,
4458         check_regexp_units_distribution, process_seq_for_forming_states,
4459         process_alts_for_forming_states, make_automaton,
4460         form_arcs_marked_by_insn, create_composed_state,
4461         set_out_arc_insns_equiv_num, partition_equiv_class,
4462         process_insn_equiv_class, set_insn_equiv_classes,
4463         units_to_automata_heuristic_distr, form_regexp,
4464         longest_path_length, output_dfa_max_issue_rate, add_vect,
4465         out_state_arcs_num, add_vect_el, output_trans_table,
4466         output_state_alts_table, output_dead_lock_vect,
4467         output_max_insn_queue_index_def,
4468         output_min_insn_conflict_delay_func,
4469         output_internal_insn_latency_func, output_print_reservation_func,
4470         output_cpu_unit_reservation_p, output_state_arcs,
4471         make_insn_alts_attr, make_internal_dfa_insn_code_attr,
4472         make_default_insn_latency_attr,
4473         form_important_insn_automata_lists): Likewise.
4474         * genemit.c (gen_exp, output_add_clobbers,
4475         output_added_clobbers_hard_reg_p): Likewise.
4476         * genextract.c (print_path, main): Likewise.
4477         * genflags.c (gen_macro): Likewise.
4478         * gengenrtl.c: Include errors.h
4479         (type_from_format, accessor_from_format): Likewise.
4480         * gengtype.c (get_file_basename, output_mangled_typename,
4481         walk_type, write_types_process_field,
4482         write_types_local_process_field): Likewise.
4483         * genmodes.c (complete_mode): Likewise.
4484         * genopinit.c (gen_insn): Likewise.
4485         * genoutput.c (output_insn_data, check_constraint_len,
4486         constraint_len): Likewise.
4487         * genpreds.c (add_mode_tests):Likewise.
4488         * gen-protos.c (add_hash): Likewise.
4489         * genrecog.c (find_operand, find_matching_operand,
4490         validate_pattern, add_to_sequence, maybe_both_true,
4491         nodes_identical_1, merge_trees, write_switch, write_cond,
4492         write_action, is_unconditional, make_insn_sequence,
4493         debug_decision_2): Likewise.
4494         * gensupport.c (is_predicable, collect_insn_data,
4495         alter_predicate_for_insn, maybe_eval_c_test): Likewise.
4496
4497 2004-09-09  Jan Hubicka  <jh@suse.cz>
4498
4499         * basic-block.h (guess_outgoing_edge_probabilities): Declare.
4500         * cfgbuild.c (compute_outgoing_frequencies): When probability is
4501         missing, guess it.
4502         (find_many_sub_basic_blocks): Do update profile only when it is
4503         present.
4504         * predict.c (set_even_probabilities): Break out from ...
4505         (combine_predictions_for_insn): ... here; deal with
4506         !can_predict_insn_p insns.
4507         (combine_predictions_for_bb): Use set_even_probabilities.
4508         (bb_estimate_probability_locally): Break out from ....
4509         (estimate_probability): ... here.
4510         (guess_outgoing_edge_probabilities): New entry point.
4511
4512 2004-09-09  Nathan Sidwell  <nathan@codesourcery.com>
4513
4514         * gcc.c (add_sysrooted_prefix, execute, do_self_spec, do_spec_1,
4515         handle_braces, process_brace_body, main, used_arg,
4516         set_multilib_dir, print_multilib_info): Use fatal, not abort.
4517
4518         * tree-nested.c (create_tmp_var_for): Correct missinverted assert.
4519
4520         * tree-outof-ssa.c (free_temp_expr_table): Add missed assert.
4521         * tree-ssa-ccp.c (set_lattice_value): Correct missapplied de
4522         Morgan's theorem in last checkin.
4523
4524 2004-09-09  Giovanni Bajo  <giovannibajo@gcc.gnu.org>
4525             Nathan Sidwell  <nathan@codesourcery.com>
4526
4527         * targhooks.c (default_unwind_emit, default_scalar_mode_supported_p):
4528         Use gcc_assert, gcc_unreachable & internal_error instead of abort.
4529         * timevar.c (timevar_push, timevar_pop, timevar_start,
4530         timevar_stop): Likewise.
4531         * toplev.c (default_pch_valid_p): Likewise.
4532         * tracer.c (tail_duplicate): Likewise.
4533         * tree-alias-common.c (get_alias_var_decl,
4534         get_values_from_constructor, create_alias_var, delete_alias_vars,
4535         empty_points_to_set, same_points_to_set, ptr_may_alias_var):
4536         Likewise.
4537         * tree.c (tree_size, make_node_stat, copy_node_stat,
4538         build_int_cst_wide, integer_all_onesp, list_length, chainon,
4539         tree_node_structure, type_contains_placeholder_p, substitute_in_expr,
4540         substitute_placeholder_in_expr, tabilize_reference_1, build0_stat,
4541         build1_stat, build2_stat, build3_stat, build4_stat, is_attribute_p,
4542         lookup_attribute, type_hash_canon, host_integerp, iterative_hash_expr,
4543         build_method_type_directly, decl_type_context, get_callee_fndecl,
4544         get_set_constructor_bits, build_vector_type_for_mode, int_cst_value,
4545         tree_fold_gcd): Likewise.
4546         * tree-cfg.c (create_bb, make_ctrl_stmt_edges, make_exit_edges,
4547         make_cond_expr_edges, group_case_labels, tree_merge_blocks,
4548         cleanup_control_expr_graph, find_taken_edge,
4549         find_taken_edge_switch_expr, phi_alternatives_equal,
4550         is_ctrl_altering_stmt, disband_implicit_edges, set_bb_for_stmt,
4551         stmt_for_bsi, tree_find_edge_insert_loc, bsi_insert_on_edge_immediate,
4552         tree_split_edge, tree_verify_flow_info, thread_jumps,
4553         tree_redirect_edge_and_branch, tree_flow_call_edges_add): Likewise.
4554         * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
4555         chrec_fold_multiply_poly_poly): Likewise.
4556         * tree-complex.c (extract_component, expand_complex_division,
4557         expand_complex_comparison, expand_complex_operations_1,
4558         build_replicated_const, expand_vector_operations_1): Likewise.
4559         * tree-data-ref.c (tree_fold_bezout, build_classic_dist_vector,
4560         build_classic_dir_vector): Likewise.
4561         * tree-dfa.c (compute_immediate_uses_for_phi,
4562         compute_immediate_uses_for_stmt, create_var_ann, create_stmt_ann,
4563         create_tree_ann, collect_dfa_stats, get_virtual_var): Likewise.
4564         * tree-dump.c (dequeue_and_dump): Likewise.
4565         * tree-eh.c (record_stmt_eh_region, add_stmt_to_eh_region,
4566         record_in_finally_tree, replace_goto_queue_1,
4567         maybe_record_in_goto_queue, verify_norecord_switch_expr,
4568         do_return_redirection): Likewise.
4569         * tree-if-conv.c (tree_if_convert_stmt, tree_if_convert_cond_expr,
4570         add_to_dst_predicate_list, find_phi_replacement_condition,
4571         replace_phi_with_cond_modify_expr, get_loop_body_in_if_conv_order):
4572         Likewise.
4573         * tree-inline.c (remap_decl, remap_type, remap_decls, copy_body_r,
4574         initialize_inlined_parameters, declare_return_variable,
4575         estimate_num_insns_1, expand_call_inline, expand_calls_inline,
4576         optimize_inline_calls, copy_tree_r): Likewise.
4577         * tree-into-ssa.c (rewrite_initialize_block_local_data, rewrite_stmt,
4578         ssa_rewrite_stmt, rewrite_into_ssa): Likewise.
4579         * tree-iterator.c (alloc_stmt_list, tsi_link_before, tsi_link_after,
4580         tsi_split_statement_list_after, tsi_split_statement_list_before):
4581         Likewise.
4582         * tree-mudflap.c (mf_varname_tree): Likewise.
4583         * tree-nested.c (create_tmp_var_for, lookup_field_for_decl,
4584         lookup_tramp_for_decl, convert_all_function_calls): Likewise.
4585         * tree-optimize.c (tree_rest_of_compilation): Likewise.
4586         * tree-outof-ssa.c (create_temp, eliminate_build, eliminate_phi,
4587         coalesce_abnormal_edges, coalesce_ssa_name, eliminate_virtual_phis,
4588         free_temp_expr_table, add_dependance, finish_expr, rewrite_trees):
4589         Likewise.
4590         * tree-phinodes.c (resize_phi_node, add_phi_arg,
4591         remove_all_phi_nodes_for): Likewise.
4592         * tree-pretty-print.c (op_prio, print_call_name): Likewise.
4593         * tree-profile.c (tree_gen_interval_profiler, tree_gen_pow2_profiler,
4594         tree_gen_one_value_profiler, tree_gen_const_delta_profiler): Likewise.
4595         * tree-sra.c (type_can_instantiate_all_elements, sra_hash_tree,
4596         sra_elt_eq, sra_walk_expr, instantiate_missing_elements,
4597         generate_one_element_ref, generate_element_copy,
4598         generate_element_zero, scalarize_copy, scalarize_init,
4599         scalarize_ldst): Likewise.
4600         * tree-ssa-alias.c (delete_alias_info, group_aliases, may_alias_p,
4601         add_may_alias, add_pointed_to_expr, add_pointed_to_var,
4602         collect_points_to_info_r, get_tmt_for, get_ptr_info): Likewise.
4603         * tree-ssa.c (walk_use_def_chains, check_phi_redundancy): Likewise.
4604         * tree-ssa-ccp.c (dump_lattice_value, get_default_value, get_value,
4605         set_lattice_value, likely_value, ccp_visit_phi_node, visit_assignment,
4606         widen_bitfield, ccp_fold_builtin): Likewise.
4607         * tree-ssa-copy.c (may_propagate_copy, merge_alias_info,
4608         replace_exp_1, propagate_tree_value): Likewise.
4609         * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Likewise.
4610         * tree-ssa-dce.c (set_control_dependence_map_bit,
4611         find_control_dependence, find_pdom, mark_operand_necessary,
4612         mark_stmt_if_obviously_necessary,
4613         mark_control_dependent_edges_necessary, remove_dead_stmt): Likewise.
4614         * tree-ssa-dom.c (dom_opt_initialize_block_local_data,
4615         simplify_switch_and_lookup_avail_expr, cprop_into_successor_phis,
4616         eliminate_redundant_computations, avail_expr_eq): Likewise.
4617         * tree-ssa-dse.c (fix_stmt_v_may_defs): Likewise.
4618         * tree-ssa-loop-ch.c (should_duplicate_loop_header_p,
4619         duplicate_blocks): Likewise.
4620         * tree-ssa-loop-im.c (for_each_index, set_level,
4621         is_call_clobbered_ref): Likewise.
4622         * tree-ssa-loop-ivopts.c (dump_use, divide, stmt_after_ip_normal_pos,
4623         stmt_after_increment, set_iv, contains_abnormal_ssa_name_p,
4624         find_interesting_uses_outer_or_nonlin, add_derived_ivs_candidates,
4625         peel_address, ptr_difference_cost, may_replace_final_value,
4626         determine_use_iv_cost, rewrite_use_nonlinear_expr, rewrite_use_outer,
4627         rewrite_use, rewrite_uses): Likewise.
4628         * tree-ssa-loop-manip.c (rewrite_into_loop_closed_ssa,
4629         check_loop_closed_ssa_use): Likewise.
4630         * tree-ssanames.c (make_ssa_name): Likewise.
4631         * tree-ssa-operands.c (finalize_ssa_defs, finalize_ssa_uses,
4632         finalize_ssa_v_must_defs, finalize_ssa_stmt_operands,
4633         get_stmt_operands, get_expr_operands, get_asm_expr_operands,
4634         get_indirect_ref_operands, add_stmt_operand): Likewise.
4635         * tree-ssa-pre.c (value_exists_in_set_bitmap,
4636         value_remove_from_set_bitmap, bitmap_insert_into_set, insert_into_set,
4637         phi_translate, valid_in_set, compute_antic,
4638         find_or_generate_expression, create_expression_by_pieces, insert_aux,
4639         create_value_expr_from, eliminate): Likewise.
4640         * tree-ssa-propagate.c (cfg_blocks_get): Likewise.
4641         * tree-ssa-threadupdate.c (remove_last_stmt_and_useless_edges):
4642         Likewise.
4643         * tree-tailcall.c (independent_of_stmt_p, adjust_return_value,
4644         eliminate_tail_call): Likewise.
4645         * tree-vectorizer.c (vect_create_index_for_array_ref,
4646         vect_align_data_ref, vect_create_data_ref,
4647         vect_create_destination_var, vect_get_vec_def_for_operand,
4648         vect_finish_stmt_generation, vect_transform_stmt,
4649         vect_transform_loop_bound, vect_transform_loop,
4650         vect_analyze_operations): Likewise.
4651         * tree-vn.c (vn_compute, set_value_handle, get_value_handle):
4652         Likewise.
4653         * tree-flow-inline.h (var_ann, get_var_ann, get_def_from_ptr,
4654         get_use_op_ptr, immediate_use, phi_ssa_name_p, bsi_start,
4655         bsi_after_labels, bsi_last): Likewise.
4656         * tree-ssa-live.c (var_union, change_partition_var,
4657         create_ssa_var_map, calculate_live_on_entry, root_var_init,
4658         type_var_init, add_coalesce, sort_coalesce_list, pop_best_coalesce):
4659         Likewise.
4660         * tree-ssa-live.h (partition_is_global, live_entry_blocks,
4661         tpa_find_tree): Likewise.
4662         (register_ssa_partition_check): Declare.
4663         (register_ssa_partition): use it.
4664         * tree-ssa-live.c: Include errors.h.
4665         (register_ssa_partition_check): New.
4666         * tree-ssa-operands.c: Include errors.h.
4667         * Makefile.in (tree-ssa-operands.o): Depend on errors.h.
4668
4669 2004-09-09  Richard Sandiford  <rsandifo@redhat.com>
4670             Catherine Moore  <clm@redhat.com>
4671
4672         * config/frv/frv-protos.h (FRV_CPU_FR550, FRV_CPU_FR450)
4673         (FRV_CPU_FR405): New processor enums.
4674         (frv_issue_rate, frv_acc_group): Declare.
4675         * config/frv/frv.h (CPP_SPEC, CPP_FRV_SPEC, CPP_FR500_SPEC): Delete.
4676         (CPP_FR400_SPEC, CPP_SIMPLE_SPEC): Delete.
4677         (MASK_DEFAULT_FR550, MASK_DEFAULT_FR450): New macros.
4678         (SUBTARGET_EXTRA_SPECS, EXTRA_SPECS, CPP_CPU_DEFAULT_SPEC): Delete.
4679         (TARGET_CPU_CPP_BUILTINS): Define the macros that were previously
4680         handled by CPP_SPEC.
4681         (MASK_LONG_CALLS, TARGET_LONG_CALLS): New macros.
4682         (MASK_ALIGN_LABELS, TARGET_ALIGN_LABELS): New macros.
4683         (ACC_MASK): New macro.
4684         (TARGET_MEDIA_REV2): Include FRV_CPU_{FR405,FR450,FR550}.
4685         (TARGET_MEDIA_FR450): New macro.
4686         (TARGET_FR500_FR550_BUILTINS, TARGET_FR405_BUILTINS): New macros.
4687         (TARGET_SWITCHES): Add -m{no-,}align-labels and -m{no-,}long-calls.
4688         (LABEL_ALIGN_AFTER_BARRIER): Define.
4689         (ACC_LAST, ACCG_LAST): Add four new accumulator registers.
4690         (IACC_FIRST, IACC_LAST): New pair of SPRs.
4691         (ACCG_FIRST, AP_FIRST, SPR_FIRST, SPR_LAST): Adjust accordingly.
4692         (FIXED_REGISTERS, CALL_USED_REGISTERS, REG_ALLOC_ORDER)
4693         (REGISTER_NAMES): Add entries for new registers.
4694         (REG_CLASS_CONTENTS): Update for new register ranges.
4695         (EXTRA_CONSTRAINT_FOR_S): Redefine in terms of call_operand.
4696         (ISSUE_RATE, CLEAR_VLIW_START, SET_VLIW_START): Delete.
4697         (PACKING_FLAG_USED_P): Delete.
4698         (FRV_BUILTIN_MQLCLRHS, FRV_BUILTIN_MQLMTHS, FRV_BUILTIN_MQSLLHI)
4699         (FRV_BUILTIN_MQSRAHI, FRV_BUILTIN_SMUL, FRV_BUILTIN_UMUL)
4700         (FRV_BUILTIN_PREFETCH0, FRV_BUILTIN_PREFETCH, FRV_BUILTIN_SMASS)
4701         (FRV_BUILTIN_SMSSS, FRV_BUILTIN_SMU, FRV_BUILTIN_SCUTSS)
4702         (FRV_BUILTIN_ADDSS, FRV_BUILTIN_SUBSS, FRV_BUILTIN_SLASS)
4703         (FRV_BUILTIN_IACCread{l,ll}, FRV_BUILTIN_IACCset{ll,l})
4704         (FRV_BUILTIN_SCAN): New members of frv_builtin_enum.
4705         (FRV_BUILTIN_FIRST_NONMEDIA): New macro.
4706         (CPU_UNITS_QUERY): Define to 1.
4707         * config/frv/frv.c: Include gt-frv.h
4708         (NUM_NOP_PATTERNS, NTH_UNIT, UNIT_NUMBER, PACKING_FLAG_P): New macros.
4709         (SET_PACKING_FLAG, CLEAR_PACKING_FLAG, FOR_EACH_REGNO): New macros.
4710         (frv_insn_group): New enumeration.
4711         (frv_unit_names, frv_unit_groups, frv_unit_codes): New variables.
4712         (frv_type_to_unit, frv_nops, frv_num_nops): New variables.
4713         (REGSTATE_DEAD, REGSTATE_LIVE, REGSTATE_UNUSED, REGSTATE_MASK)
4714         (REGSTATE_CONDJUMP): Delete.  Shuffle other numbers to cover the
4715         gap left by REGSTATE_LIVE.
4716         (regstate_t): New typedef.
4717         (TARGET_MACHINE_DEPENDENT_REORG): Define.
4718         (frv_default_flags_for_cpu): Handle FRV_CPU_{FR550,FR450,FR405}.
4719         (frv_override_options): Check for -mcpu={fr550,fr450,fr405}.
4720         Initialize frv_unit_codes[] and frv_type_to_unit[].
4721         (frv_conditional_register_usage): Remove redundant fixing of
4722         accumulator registers.
4723         (frv_insn_packing_flag): Update specification.
4724         (frv_function_prologue): Don't set frv_insn_packing_flag here.
4725         Zero out frv_nops[].
4726         (frv_expand_epilogue): Remove comments about the no-longer-present
4727         SIBCALL_P argument.
4728         (frv_asm_output_mi_thunk): Check frv_issue_rate() rather than
4729         PACKING_FLAG_USED_P() when deciding whether to pack instructions.
4730         (frv_asm_output_opcode, frv_final_prescan_insn): Simplify in light
4731         of the new meaning of frv_insn_packing_flag.  Emit an mnop.p if
4732         packing is disabled and if INSN can only issue to M1.
4733         (call_operand): Check TARGET_LONG_CALLS.
4734         (acc_operand, even_acc_operand, quad_acc_operand)
4735         (accg_operand): Simplify.  Don't accept pseudo registers.
4736         (output_move_single): Handle SPR<-zero moves.
4737         (frv_issue_rate): Make non-static.  Handle FRV_CPU_{FR550,FR450,FR405}.
4738         (frv_registers_update, frv_registers_used_p): Delete.
4739         (frv_registers_set_p): Delete.
4740         (frv_acc_group_1, frv_acc_group, frv_insn_unit): New functions.
4741         (frv_issues_to_branch_unit_p): New function.
4742         (frv_packet): New structure.
4743         (frv_cond_flags, frv_regstate_conflict_p): New functions.
4744         (frv_registers_conflict_p_1, frv_registers_conflict_p): New functions.
4745         (frv_registers_update_1, frv_registers_update): New functions.
4746         (frv_start_packet, frv_start_packet_block, frv_finish_packet)
4747         (frv_pack_insn_p, frv_add_insn_to_packet, frv_insert_nop_in_packet)
4748         (frv_for_each_packet, frv_sort_insn_group_1, frv_compare_insns)
4749         (frv_sort_insn_group, frv_reorder_packet): New functions.
4750         (frv_pack_insns): Use frv_reorder_packet.
4751         (frv_packet_address): New variable.
4752         (frv_fill_unused_units, frv_align_label, frv_reorg_packet)
4753         (frv_register_nop, frv_reorg): New functions.
4754         (bdesc_1arg): Add __SCUTSS.
4755         (bdesc_2arg): Add __MQLCLRHS, __MQLMTHS, __SMUL, __UMUL, __ADDSS,
4756         __SUBSS, __SLASS and __SCAN.
4757         (bdesc_2argimm): Add __MQSLLHI and __MQSRAHI.
4758         (bdesc_int_void2arg, bdesc_prefetches): New arrays.
4759         (frv_init_builtins): Register the above builtins.
4760         (frv_int_to_acc): Use ACC_MASK to check for valid accumulator
4761         registers.  Turn the referenced accumulators into global registers.
4762         (frv_read_iacc_argument): New function.
4763         (frv_expand_int_void2arg, frv_expand_prefetches): New functions.
4764         (frv_split_iacc_move): New function.
4765         (frv_expand_builtin): Handle the new builtins.
4766         * config/frv/frv.md: Replace old schedulers with new order-independent
4767         ones.  Add schedulers for the FR405, FR450 and FR550.  Describe new
4768         packing algorithm.
4769         (cpu): Add fr550, fr450 and fr405.
4770         (type): Add macc, scan, cut, fnop, fscmp, fdcmp, mnop, mqlimh and
4771         mqshift.  Replace fmas with fsmadd and fmad with fdmadd.  Delete m7.
4772         (*muladd[sd]f4, *mulsub[sd]f4): Fix types.
4773         (*cmp[sd]f_cc_fp): Use new f[sd]cmp types.
4774         (fnop, mnop): New patterns.
4775         (UNSPEC_MQLCLRHS, UNSPEC_MQLMTHS, UNSPEC_MQSLLHI, UNSPEC_MQSRAHI):
4776         New constants.
4777         (mexpdhw, *cond_exec_mexpdhw): Fix destination operands.
4778         (mclracca8): Use ACC_MASK to determine the upper set of accumulator
4779         registers.
4780         (mqlclrhs, mqlmths, mqsllhi, mqsrahi): New patterns.
4781         (UNSPEC_SMUL, UNSPEC_UMUL, UNSPEC_SMU, UNSPEC_ADDSS, UNSPEC_SUBSS)
4782         (UNSPEC_SLASS, UNSPEC_SCAN, UNSPEC_INTSS, UNSPEC_SCUTSS)
4783         (UNSPEC_PREFETCH0, UNSPEC_PREFETCH, UNSPEC_IACCreadll)
4784         (UNSPEC_IACCreadl, UNSPEC_IACCsetll, UNSPEC_IACCsetl, UNSPEC_SMASS)
4785         (UNSPEC_SMSSS, UNSPEC_IMUL, IACC0_REG): New constants.
4786         (smul, umul, smass, smsss, smu, addss, subss, slass, scan, scutss)
4787         (frv_prefetch0, frv_prefetch): New patterns.
4788         * config/frv/t-frv (MULTILIB_OPTIONS): Remove -mcpu=frv and
4789         -mcpu=simple.  Add -mcpu=fr550.
4790         (MULTILIB_DIRNAMES): Update accordingly.
4791         (MULTILIB_MATCHES): Use the fr400 multilibs for -mcpu=fr405 and
4792         -mcpu=fr450.
4793         * doc/invoke.texi: Document the new -mcpu={fr550,fr450,fr405},
4794         -mlong-calls and -malign-labels options for FR-V.
4795
4796 2004-09-09  Joseph S. Myers  <jsm@polyomino.org.uk>
4797
4798         PR c/8420
4799         * c-tree.h (struct c_declspecs): New.
4800         (struct c_declarator, struct c_type_name, struct c_parm): Update
4801         element types.
4802         (build_array_declarator, grokfield, shadow_tag, shadow_tag_warned,
4803         start_function, start_decl, build_c_parm,
4804         make_pointer_declarator): Update prototypes.
4805         (build_null_declspecs, declspecs_add_qual, declspecs_add_type,
4806         declspecs_add_scspec, declspecs_add_attrs): New.
4807         (split_specs_attrs): Remove.
4808         * c-parse.in (%union): Add dsptype.
4809         (declspecs_nosc_nots_nosa_noea, declspecs_nosc_nots_nosa_ea,
4810         declspecs_nosc_nots_sa_noea, declspecs_nosc_nots_sa_ea,
4811         declspecs_nosc_ts_nosa_noea, declspecs_nosc_ts_nosa_ea,
4812         declspecs_nosc_ts_sa_noea, declspecs_nosc_ts_sa_ea,
4813         declspecs_sc_nots_nosa_noea, declspecs_sc_nots_nosa_ea,
4814         declspecs_sc_nots_sa_noea, declspecs_sc_nots_sa_ea,
4815         declspecs_sc_ts_nosa_noea, declspecs_sc_ts_nosa_ea,
4816         declspecs_sc_ts_sa_noea, declspecs_sc_ts_sa_ea, declspecs_ts,
4817         declspecs_nots, declspecs_ts_nosa, declspecs_nots_nosa,
4818         declspecs_nosc_ts, declspecs_nosc_nots, declspecs_nosc, declspecs,
4819         maybe_type_quals_attrs): Change to dsptype.
4820         (struct c_declspec_stack): New.
4821         (current_declspecs, declspec_stack): Change type.
4822         (PUSH_DECLSPEC_STACK, POP_DECLSPEC_STACK): Update to new
4823         structures.
4824         (extdefs): Likewise.
4825         (setspecs): Likewise.
4826         (fndef): Use current_declspecs for empty declspecs list.
4827         (declspecs_nosc_nots_nosa_noea, declspecs_nosc_nots_nosa_ea,
4828         declspecs_nosc_nots_sa_noea, declspecs_nosc_nots_sa_ea,
4829         declspecs_nosc_ts_nosa_noea, declspecs_nosc_ts_nosa_ea,
4830         declspecs_nosc_ts_sa_noea, declspecs_nosc_ts_sa_ea,
4831         declspecs_sc_nots_nosa_noea, declspecs_sc_nots_nosa_ea,
4832         declspecs_sc_nots_sa_noea, declspecs_sc_nots_sa_ea,
4833         declspecs_sc_ts_nosa_noea, declspecs_sc_ts_nosa_ea,
4834         declspecs_sc_ts_sa_noea, declspecs_sc_ts_sa_ea): Update to new
4835         structures and helper functions.  Update comments.
4836         (typespec_nonattr): Correct comment.
4837         (maybe_type_quals_attrs, typename): Update to new structures.
4838         * c-decl.c (grokdeclarator, build_array_declarator, grokfield,
4839         shadow_tag, shadow_tag_warned, start_function, start_decl,
4840         build_c_parm, make_pointer_declarator,
4841         set_array_declarator_inner, groktypename): Update to new
4842         structures.
4843         (build_null_declspecs, declspecs_add_qual, declspecs_add_type,
4844         declspecs_add_scspec, declspecs_add_attrs): New.
4845         (split_specs_attrs): Remove.
4846         (shadow_tag_warned): Make warning for useless type names a
4847         pedwarn.  Give hard error for long, short, signed, unsigned or
4848         _Complex used with struct, union or enum in empty declaration.
4849         Make found_tag a bool.
4850         (grokdeclarator): Remove checks now done at parse time.
4851
4852 2004-09-09  Joseph S. Myers  <jsm@polyomino.org.uk>
4853
4854         * c-tree.h (enum c_declarator_kind, struct c_arg_info, struct
4855         c_declarator, struct c_type_name, struct c_parm): New.
4856         (build_array_declarator, set_array_declarator_inner,
4857         get_parm_info, grokfield, groktypename, grokparm, push_parm_decl,
4858         start_function, start_decl, build_c_parm, build_attrs_declarator,
4859         build_function_declarator, make_pointer_declarator, c_cast_expr,
4860         store_parm_decls_newstyle, c_expr_sizeof_type): Update prototypes.
4861         (build_id_declarator): New.
4862         * c-typeck.c (c_cast_expr, c_expr_sizeof_type): Update to new
4863         structures.
4864         * c-decl.c (ARG_INFO_PARMS, ARG_INFO_TAGS, ARG_INFO_TYPES,
4865         ARG_INFO_OTHERS): Remove.
4866         (build_id_declarator): New.
4867         (build_array_declarator, set_array_declarator_inner, groktypename,
4868         start_decl, grokparm, push_parm_decl, grokparms, get_parm_info,
4869         grokfield, start_function, store_parm_decls_newstyle,
4870         store_parm_decls_oldstyle, store_parm_decls,
4871         build_c_parm, build_attrs_declarator, build_function_declarator,
4872         make_pointer_declarator, grokdeclarator): Update to new
4873         structures.
4874         * c-parse.in (%union): Add arginfotype, dtrtype, typenametype and
4875         parmtype.
4876         (declarator, notype_declarator, after_type_declarator,
4877         parm_declarator, parm_declarator_starttypename,
4878         parm_declarator_nostarttypename, array_declarator, typename,
4879         absdcl, absdcl1, absdcl1_ea, absdcl1_noea, direct_absdcl1,
4880         absdcl_maybe_attribute, parm, firstparm, parms, parmlist,
4881         parmlist_1, parmlist_2, parmlist_or_identifiers,
4882         parmlist_or_identifiers_1): Use these types.
4883         (primary, after_type_declarator, parm_declarator_starttypename,
4884         notype_declarator, component_decl, component_declarator,
4885         component_notype_declarator, typename, absdcl,
4886         absdcl_maybe_attribute, absdcl1_ea, direct_absdcl1, parmlist_1,
4887         parmlist_2, parmlist_or_identifiers_1): Update to new structures.
4888
4889 2004-09-09  Joseph S. Myers  <jsm@polyomino.org.uk>
4890
4891         * c-tree.h (C_DECL_USED, parser_obstack, in_alignof, in_sizeof,
4892         in_typeof, record_maybe_used_decl, pop_maybe_used,
4893         c_expr_sizeof_expr, c_expr_sizeof_type): New.
4894         * c-decl.c (parser_obstack): New.
4895         (c_init_decl_processing): Initialize parser_obstack.
4896         (c_write_global_declarations_1): Check for used but undefined
4897         static functions.
4898         * c-parse.in (%union): Add otype.
4899         (save_obstack_position): New.
4900         (extdefs): Use it.
4901         (unary_expr): Update in_sizeof and in_alignof.  Use
4902         c_expr_sizeof_expr and c_expr_sizeof_type.
4903         (sizeof): Update in_sizeof.
4904         (alignof): Update in_alignof.
4905         (typeof): Update in_typeof.
4906         (typespec_nonreserved_nonattr): Call pop_maybe_used.
4907         * c-typeck.c (in_alignof, in_sizeof, in_typeof, struct
4908         maybe_used_decl, maybe_used_decls, record_maybe_used_decl,
4909         pop_maybe_used, c_expr_sizeof_expr, c_expr_sizeof_type): New.
4910         (build_external_ref): Set C_DECL_USED or call
4911         record_maybe_used_decl if appropriate.
4912         * toplev.c (check_global_declarations): Check TREE_NO_WARNING.
4913
4914 2004-09-08  Eric Christopher  <echristo@redhat.com>
4915
4916         * builtins.c: Fix prototype for fold_builtin_atan.
4917
4918 2004-09-08  Eric Christopher  <echristo@redhat.com>
4919
4920         * builtins.c (fold_builtin_strlen, fold_builtin_sqrt, fold_builtin_cbrt,
4921         fold_builtin_pow, fold_builtin_sin, fold_builtin_cos, fold_builtin_tan,
4922         fold_builtin_atan): New functions. Migrate function bodies...
4923         (fold_builtin_1): ... from here.
4924
4925 2004-09-09  Alan Modra  <amodra@bigpond.net.au>
4926
4927         * config/rs6000/rs6000.c (rs6000_stack_info): Correct alignment of
4928         save_size.
4929
4930 2004-09-08  David Edelsohn  <edelsohn@gnu.org>
4931
4932         * config/rs6000/power4.md (power4-lmul): du4 feeds iu1.
4933         * config/rs6000/power5.md (power5-lmul): Same.
4934
4935 2004-09-08  Richard Henderson  <rth@redhat.com>
4936
4937         PR rtl-opt/17186
4938         * function.c (expand_function_end): Have fall-off-the-end
4939         return path jump around return register setup.
4940
4941 2004-09-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
4942
4943         * config/sparc/sparc.c (sparc_indent_opcode): New variable.
4944         (output_return): Do not test for the presence of the 'unimp' insn.
4945         Use 'current_function_uses_only_leaf_regs' and 'final_sequence'
4946         as predicates instead of custom ones.  Return raw strings when
4947         possible.
4948         (output_sibcall): Likewise.  Concatenate strings.
4949         (output_ubranch): Remove kludge for TurboSPARC.
4950         (output_cbranch): Remove 'noop' parameter.  Do not output 'nop'.
4951         (output_v9branch): Likewise.
4952         (print_operand): Use 'final_sequence' instead of 'dbr_sequence_length'.
4953         <#>: Set sparc_indent_opcode if the delay slot is filled.
4954         <(>: Likewise.
4955         <)>: New operand to emit the displacement from the saved PC on return.
4956         <@>: Remove.
4957         * config/sparc/sparc.h (sparc_indent_opcode): Declare it.
4958         (ASM_OUTPUT_OPCODE): New macro.
4959         (PRINT_OPERAND_PUNCT_VALID_P): Remove '^' and add ')'.
4960         * config/sparc/sparc.md (normal_branch, inverted_branch,
4961         normal_fp_branch, inverted_fp_branch, normal_fpe_branch,
4962         inverted_fpe_branch): Adjust call to output_cbranch.
4963         (normal_int_branch_sp64, inverted_int_branch_sp64): Adjust
4964         call to output_v9branch.
4965         * config/sparc/sparc-protos.h (output_cbranch): Adjust.
4966         (output_v9branch): Likewise.
4967
4968 2004-09-08  Devang Patel  <dpatel@apple.com>
4969
4970         * config/darwin.h  (TARGET_OPTION_TRANSLATE_TABLE): Add -segaddr,
4971         -segs_read_only_addr and -segs_read_write_addr.
4972         (WORD_SWITCH_TAKES_ARG): Same.
4973         (LINK_SPEC): Same.
4974         * doc/invoke.texi: Document -segaddr, -segs_read_only_addr and
4975         -segs_read_write_addr.
4976
4977 2004-09-08  Richard Henderson  <rth@redhat.com>
4978
4979         * function.c (reference_callee_copied): New.
4980         (assign_parm_setup_reg): Use it.
4981         * calls.c (initialize_argument_information): Likewise.
4982         (emit_library_call_value_1): Likewise.
4983         * function.h (reference_callee_copied): Declare.
4984
4985         * target.h (struct gcc_target): Add callee_copies.
4986         * target-def.h (TARGET_CALLEE_COPIES): New.
4987         (TARGET_PASS_BY_REFERENCE): Update default.
4988         * expr.h (FUNCTION_ARG_CALLEE_COPIES): Remove.
4989         * targhooks.c (hook_callee_copies_named): New.
4990         (hook_bool_CUMULATIVE_ARGS_mode_tree_bool_false): Rename from
4991         hook_pass_by_reference_false.
4992         (hook_bool_CUMULATIVE_ARGS_mode_tree_bool_true): New.
4993         * targhooks.h: Update decls.
4994         * config/arc/arc.c (TARGET_CALLEE_COPIES): New.
4995         * config/arc/arc.h (FUNCTION_ARG_CALLEE_COPIES): Remove.
4996         * config/frv/frv-protos.h (frv_function_arg_callee_copies): Remove.
4997         * config/frv/frv.c (frv_function_arg_callee_copies): Remove.
4998         * config/frv/frv.h (FUNCTION_ARG_CALLEE_COPIES): Remove.
4999         * config/iq2000/iq2000.c (TARGET_CALLEE_COPIES): New.
5000         * config/iq2000/iq2000.h (FUNCTION_ARG_CALLEE_COPIES): Remove.
5001         * config/m68hc11/m68hc11.c (TARGET_CALLEE_COPIES): New.
5002         * config/m68hc11/m68hc11.h (FUNCTION_ARG_CALLEE_COPIES): Remove.
5003         * config/mips/mips.c (TARGET_CALLEE_COPIES): New.
5004         (mips_callee_copies): New.
5005         * config/mips/mips.h (FUNCTION_ARG_CALLEE_COPIES): Remove.
5006         * config/mmix/mmix.c (TARGET_CALLEE_COPIES): New.
5007         * config/mmix/mmix.h (FUNCTION_ARG_CALLEE_COPIES): Remove.
5008         * config/mn10300/mn10300.c (TARGET_CALLEE_COPIES): New.
5009         * config/mn10300/mn10300.h (FUNCTION_ARG_CALLEE_COPIES): Remove.
5010         * config/pa/pa.c (TARGET_CALLEE_COPIES): New.
5011         * config/pa/pa.h (FUNCTION_ARG_CALLEE_COPIES): Remove.
5012         * config/sh/sh.c (sh_callee_copies): New.
5013         (TARGET_CALLEE_COPIES): New.
5014         * config/sh/sh.h (FUNCTION_ARG_CALLEE_COPIES): Remove.
5015         * config/v850/v850.c (TARGET_CALLEE_COPIES): New.
5016         * config/v850/v850.h (FUNCTION_ARG_CALLEE_COPIES): Remove.
5017         * doc/tm.texi (TARGET_CALLEE_COPIES): Replace documentation
5018         for FUNCTION_ARG_CALLEE_COPIES.
5019         * doc/rtl.texi (CALL_INSN_FUNCTION_USAGE): Update.
5020
5021 2004-09-08  Devang Patel  <dpatel@apple.com>
5022
5023         * tree-if-conv.c (find_phi_replacement_condition): Return true
5024         edge block.
5025         (replace_phi_with_cond_modify_expr): Select conditional expr args
5026         based on true edge basic block.
5027
5028 2004-09-08  Jan Hubicka  <jh@suse.cz>
5029
5030         * tree-ssa-operands.c (add_stmt_operand): Use V_MUST_DEF even for
5031         variables being alias set.
5032
5033 2004-09-08  Nathan Sidwell  <nathan@codesourcery.com>
5034
5035         * final.c (shorten_branches, final, get_insn_template,
5036         output_alternate_entry_point, final_scan_insn, alter_subreg,
5037         alter_cond, output_operand, asm_fprintf, final_forward_branch_p,
5038         leaf_renumber_regs_insn): Use gcc_assert and gcc_unreachable.
5039         * fix-header.c (lookup_std_proto): Likewise.
5040         * flow.c (first_insn_after_basic_block_note, verify_wide_reg,
5041         verify_local_live_at_start, update_life_info, mark_reg,
5042         calculate_global_regs_live, allocate_reg_life_data,
5043         init_propagate_block_info, mark_set_regs, flush_reg_cond_reg_1,
5044         ior_reg_cond, not_reg_cond, and_reg_cond, elim_reg_cond,
5045         attempt_auto_inc, mark_used_reg, mark_used_regs): Likewise.
5046         * fold-const.c (force_fit_type, div_and_round_double,
5047         may_negate_without_overflow_p, int_const_binop, const_binop,
5048         size_binop, size_diffop, fold_convert_const, fold_convert,
5049         invert_tree_comparison, swap_tree_comparison,
5050         comparison_to_compcode, compcode_to_comparison, invert_truthvalue,
5051         range_binop, make_range, fold_cond_expr_with_comparison,
5052         fold_div_compare, fold, fold_checksum_tree, fold_negate_const,
5053         fold_abs_const, fold_not_const, fold_relational_const, round_up,
5054         round_down): Likewise.
5055         * function.c (find_function_data, assign_stack_temp_for_type,
5056         instantiate_virtual_regs_lossage, aggregate_value_p,
5057         assign_parm_find_entry_rtl, assign_parm_setup_block,
5058         expand_function_start, expand_function_end, keep_stack_depressed,
5059         handle_epilogue_set, thread_prologue_and_epilogue_insns): Likewise.
5060
5061 2004-09-08  Daniel Berlin  <dberlin@dberlin.org>
5062
5063         * Makefile.in (tree-loop-linear.o): Added.
5064         (OBJS-common): Add tree-loop-linear.o
5065         * common.opt: New flag, ftree-loop-linear.
5066         * timevar.def: New timevar, TV_TREE_LOOP_LINEAR.
5067         * tree-flow.h: Add prototype for linear_transform_loops.
5068         * tree-optimize.c: Add linear transform after vectorization.
5069         * tree-pass.h: Add struct pass_linear_transform.
5070         * tree-ssa-loop.c: Add pass_linear_transform.
5071         * tree-loop-linear.c: New file.
5072         * lambda-code.c: gcc_assertify.
5073         (gcc_loop_to_lambda_loop): Handle all exit tests.
5074         Handle case where we have (invariant >= induction var).
5075         (find_induction_var_from_exit_cond): Ditto.
5076
5077 2004-09-08  Jie Zhang  <zhangjie@magima.com.cn>
5078
5079         * tree-ssa-alias.c (compute_flow_insensitive_aliasing): If type
5080         memory tag is call clobbered, so are its aliases.
5081         (group_aliases): When two memory tags being grouped, if one is
5082         call clobbered, so are the other and its aliases.
5083         (add_may_alias): Remove call-clobbering stuff.
5084         (replace_may_alias): Likewise.
5085         (merge_pointed_to_info): Merge pt_global_mem
5086
5087 2004-09-08  Jan Hubicka  <jh@suse.cz>
5088
5089         * cgraph.c (cgraph_remove_node): Free DECL_INITIAL field of node.
5090         * cgraphunit.c (verify_cgraph): Don't verify on syntax errors.
5091         (cgraph_expand_function): Remove stale cgraph edges of currently
5092         compiled function; fix non-unit-at-a-time code copying function
5093         node for later reuse.
5094
5095 2004-09-08  Nathan Sidwell  <nathan@codesourcery.com>
5096
5097         * vec.c (vec_p_reserve, vec_o_reserve): Rename to ...
5098         (vec_gc_p_reserve, vec_gc_o_reserve): ... here. Clone to
5099         (vec_heap_p_reserve, vec_heap_o_reserve): ... here, adjust.
5100         (vec_gc_free, vec_heap_free): New.
5101         * vec.h (DEF_VEC_GC_P, DEF_VEC_MALLOC_P): New.
5102         (DEF_VEC_P): Add allocator argument. Adjust.
5103         (DEF_VEC_GC_O, DEF_VEC_MALLOC_O): New.
5104         (DEF_VEC_O): Add allocator argument. Adjust.
5105         (VEC(free)): New.
5106
5107         * tree.h (tree): Define a GC'd vector.
5108         * lamba-code.c (lambda_loop): Likewise.
5109         * value-prof.h (histogram_value): Likewise.
5110
5111 2004-09-08  Nathan Sidwell  <nathan@codesourcery.com>
5112
5113         * emit-rtl.c (immed_double_const): Use gcc_assert and gcc_unreachable.
5114         (gen_rtx_SUBREG, gen_reg_rtx, mark_user_reg, subreg_hard_regno,
5115         gen_lowpart_common, gen_highpart, gen_highpart_mode,
5116         subreg_highpart_offset, operand_subword, operand_subword_force,
5117         mem_expr_equal_p, set_mem_attributes_minus_bitpos,
5118         set_mem_alias_set, change_address_1, verify_rtx_sharing,
5119         copy_most_rtx, set_first_insn, set_last_insn, prev_cc0_setter,
5120         try_split, add_insn_after, add_insn_before, remove_insn,
5121         remove_unnecessary_notes, emit_insn_before, emit_jump_insn_before,
5122         emit_call_insn_before, emit_insn_after, emit_jump_insn_after,
5123         emit_call_insn_after, emit_insn, emit_jump_insn, emit_call_insn,
5124         set_unique_reg_note, emit, push_to_full_sequence, copy_insn_1,
5125         gen_const_vector_0, emit_copy_of_insn_after): Likewise.
5126         * et-forest.c (set_prev, set_next, et_check_occ_sanity,
5127         record_path_before_1, check_path_after_1, check_path_after): Likewise.
5128         * except.c (gen_eh_region, resolve_one_fixup_region,
5129         remove_unreachable_regions, convert_from_eh_region_ranges_1,
5130         add_ehl_entry, duplicate_eh_region_1, build_post_landing_pads,
5131         connect_post_landing_pads, sjlj_emit_function_exit,
5132         remove_exception_handler_label, remove_eh_handler,
5133         reachable_next_level, collect_one_action_chain,
5134         output_function_exception_table): Likewise.
5135         * explow.c (trunc_int_for_mode, copy_to_mode_reg,
5136         optimize_save_area_alloca, allocate_dynamic_stack_space,
5137         probe_stack_range, hard_function_value): Likewise.
5138         * expmed.c (mode_for_extraction, store_bit_field,
5139         store_fixed_bit_field, extract_bit_field, expand_shift,
5140         expand_mult_const, expand_mult, choose_multiplier,
5141         expand_mult_highpart, expand_divmod, emit_store_flag,
5142         do_cmp_and_jump): Likewise.
5143         * expr.c (convert_move, convert_modes, move_by_pieces,
5144         move_by_pieces_ninsns, move_by_pieces_1, emit_block_move,
5145         move_block_from_reg, gen_group_rtx, emit_group_load,
5146         emit_group_move, emit_group_store, use_reg, use_regs,
5147         can_store_by_pieces, store_by_pieces, store_by_pieces_1,
5148         emit_move_insn, emit_move_insn_1, emit_push_insn,
5149         expand_assignment, store_expr, count_type_elements,
5150         store_constructor, store_field, safe_from_p, expand_var,
5151         expand_expr_addr_expr, expand_expr_real_1, do_store_flag): Likewise.
5152
5153 2004-09-08  Nathan Sidwell  <nathan@codesourcery.com>
5154
5155         * dbxout.c (dbxout_type, dbxout_type_name, dbxout_symbol): Use
5156         gcc_assert and gcc_unreachable.
5157         * ddg.c (create_ddg_dependence, add_deps_for_def,
5158         add_deps_for_use, create_ddg, add_edge_to_ddg): Likewise.
5159         * df.c (df_ref_unlink, df_ref_record, df_uses_record,
5160         df_reg_def_chain_create, df_reg_use_chain_create, df_analyze,
5161         df_insn_delete, df_refs_reg_replace, df_ref_reg_replace,
5162         df_insns_modify, df_pattern_emit_before, df_bb_reg_live_start_p,
5163         df_bb_reg_live_end_p, df_bb_regs_lives_compare,
5164         df_bb_single_def_use_insn_find, dataflow_set_a_op_b,
5165         dataflow_set_copy, hybrid_search, diagnostic.c,
5166         diagnostic_build_prefix, diagnostic_count_diagnostic): Likewise.
5167         * dojump.c (do_jump): Likewise.
5168         * dominance.c (calc_dfs_tree_nonrec, calc_dfs_tree,
5169         compute_dom_fast_query, calculate_dominance_info,
5170         free_dominance_info, get_immediate_dominator,
5171         set_immediate_dominator, get_dominated_by,
5172         redirect_immediate_dominators, nearest_common_dominator,
5173         dominated_by_p, verify_dominators, recount_dominator,
5174         iterate_fix_dominators, add_to_dominance_info,
5175         delete_from_dominance_info): Likewise.
5176         * dwarf2asm.c (size_of_encoded_value, eh_data_format_name,
5177         dw2_asm_output_delta_uleb128, dw2_asm_output_delta_sleb128,
5178         dw2_force_const_mem, dw2_asm_output_encoded_addr_rtx): Likewise.
5179         * dwarf2out.c (expand_builtin_init_dwarf_reg_sizes, reg_save,
5180         initial_return_save, stack_adjust_offset, dwarf2out_stack_adjust,
5181         flush_queued_reg_saves, dwarf2out_frame_debug_expr,
5182         dwarf2out_frame_debug, dw_cfi_oprnd1_desc, output_cfi,
5183         output_call_frame_info, output_loc_operands, build_cfa_loc,
5184         decl_ultimate_origin, AT_flag, AT_int, AT_unsigned, AT_string,
5185         AT_string_form, add_AT_specification, AT_ref, set_AT_ref_external,
5186         AT_loc, AT_loc_list, AT_addr, AT_lbl, add_child_die,
5187         splice_child_die, attr_checksum, same_dw_val_p,
5188         break_out_includes, build_abbrev_table, size_of_die, mark_dies,
5189         unmark_dies, value_format, output_loc_list, output_die,
5190         output_pubnames, output_aranges, base_type_die, is_base_type,
5191         modified_type_die, dbx_reg_number, multiple_reg_loc_descriptor,
5192         mem_loc_descriptor, loc_descriptor, loc_descriptor_from_tree_1,
5193         field_byte_offset, add_data_member_location_attribute,
5194         add_const_value_attribute, rtl_for_decl_location,
5195         add_location_or_const_value_attribute, add_byte_size_attribute,
5196         add_bit_offset_attribute, add_bit_size_attribute,
5197         add_abstract_origin_attribute, pop_decl_scope, scope_die_for,
5198         decl_start_label, gen_formal_parameter_die,
5199         gen_type_die_for_member, gen_subprogram_die, gen_label_die,
5200         gen_typedef_die, gen_type_die, gen_tagged_type_instantiation_die,
5201         force_decl_die, force_type_die, gen_decl_die,
5202         dwarf2out_imported_module_or_decl, prune_unused_types_prune,
5203         dwarf2out_finish): Likewise.
5204
5205 2004-09-08  Andreas Tobler  <toa@pop.agri.ch>
5206
5207         * Makefile.in (builtins.o): Depend on tree-mudflap.h.
5208         * builtins.c: Include tree-mudflap.h.
5209
5210 2004-09-08  Uros Bizjak  <uros@kss-loka.si>
5211
5212         * config/i386/i386.c (ix86_prepare_fp_compare_args): Do not
5213         force operand 0.0 into register in XFmode. Also do not force
5214         operand 0.0 into register if !TARGET_CMOVE.
5215         * config/i386/i386.md (*cmpfp_0): Delete. Remove comment.
5216         (*cmpfp_0_sf, cmpfp_0_df, cmpfp_0_xf): New patterns to
5217         implement ftst x87 instruction.
5218         (*fp_jcc_7): New insn pattern. Change corresponding split
5219         pattern to handle "general_operand" instead of
5220         "nonimmediate_operand".
5221
5222 2004-09-08  Ben Elliston  <bje@au.ibm.com>
5223
5224         * doc/rtl.texi (Insns): Document NOTE_INSN_FUNCTION_BEG.
5225
5226 2004-09-07  Frank Ch. Eigler  <fche@redhat.com>
5227
5228         * builtins.c (std_gimplify_va_arg_expr): Mark INDIRECT_REF nodes
5229         generated from standard va_arg expansion.
5230         * tree-mudflap.c (mx_xform_derefs_1): Omit instrumentation from
5231         marked nodes.
5232         (mf_varname_tree, mf_file_function_line_tree): Add some support
5233         for column numbers if compiled with USE_MAPPED_LOCATION.
5234
5235 2004-09-07  Ziemowit Laski  <zlaski@apple.com>
5236
5237         * c-decl.c (groktypename_in_parm_context): Remove function.
5238         * c-tree.h (groktypename_in_parm_context): Remove prototype.
5239
5240 2004-09-07  Ziemowit Laski  <zlaski@apple.com>
5241
5242         * Makefile.in (c-parse.o): Depend on $(C_COMMON_H).
5243         * c-parse.in: Include c-common.h instead of objc-act.h.
5244         (ivar_decl_list, ivar_decls, ivar_decl, ivars, ivar_declarator,
5245         myparms, myparm): Remove %type declarations.
5246         (methodtype, optparms, OBJC_TYPE_QUAL, objc_quals, objc_qual,
5247         objc_typename, objc_try_catch_stmt, optellipsis): Add %type
5248         declarations.
5249         (objc_inherit_code, objc_public_flag): Remove.
5250         (typespec_nonreserved_nonattr): Call
5251         objc_get_protocol_qualified_type() instead of get_static_reference()
5252         and get_protocol_reference().
5253         (stmt_nocomp): Call grokparm() on @catch parameter.
5254         (objcdef): Move semantic action to objc_finish_implementation().
5255         (classdef): Move semantic action to objc_start_class_interface(),
5256         objc_continue_interface(), objc_finish_interface(),
5257         objc_start_class_implementation(), objc_continue_implementation(),
5258         objc_start_category_interface() and
5259         objc_start_category_implementation().
5260         (protocoldef): Move semantic actions to objc_start_protocol() and
5261         objc_finish_interface().
5262         (ivar_decl_list): Remove nonterminal.
5263         (visibility_spec): Move semantic actions to objc_set_visibility().
5264         (ivar_decls): Remove assignment to $$.
5265         (ivar_decl): Rephrase in terms of component_decl; call
5266         objc_add_instance_variable().
5267         (ivars, ivar_declarator): Remove nonterminals.
5268         (opt_semi): New nonterminal.
5269         (methodtype): Remove semantic actions.
5270         (methoddef): Move semantic actions to objc_set_method_type(),
5271         objc_start_method_definition() and objc_finish_method_definition().
5272         (methodproto): Move semantic actions to objc_set_method_type() and
5273         objc_add_method_declaration().
5274         (methoddecl): Use objc_typename instead of typename; move semantic
5275         actions to objc_build_method_signature().
5276         (optarglist, myxdecls, mydecl, myparms, myparm): Remove nonterminals.
5277         (optparmlist): Express in terms of optparms and optellipsis.
5278         (optparms, optellipsis, objc_qual, objc_quals, objc_typename): New
5279         nonterminals.
5280         (keyworddecl): Use objc_typename instead of typename.
5281         (rid_to_yy): Mark RID_IN, RID_OUT, RID_INOUT, RID_BYCOPY, RID_BYREF
5282         and RID_ONEWAY as returning OBJC_TYPE_QUAL to yyparse().
5283
5284 2004-09-08  Alan Modra  <amodra@bigpond.net.au>
5285
5286         * doc/tm.texi (MD_UNWIND_SUPPORT): Document.
5287         (MD_FALLBACK_FRAME_STATE_FOR): Update.
5288         * unwind-dw2.c (MD_UNWIND_SUPPORT): #include if defined.
5289         (uw_frame_state_for): Adjust MD_FALLBACK_FRAME_STATE_FOR invocation.
5290         (MD_FROB_UPDATE_CONTEXT): Remove default.
5291         (uw_update_context_1): Instead #ifdef invocation.
5292         * config/ia64/unwind-ia64.c (MD_UNWIND_SUPPORT): #include if defined.
5293         (uw_frame_state_for): Adjust MD_FALLBACK_FRAME_STATE_FOR invocation.
5294         * config/alpha/gnu.h (MD_FALLBACK_FRAME_STATE_FOR): Don't undef.
5295         (MD_UNWIND_SUPPORT): Undefine this instead.
5296         * config/i386/gnu.h: Likewise.
5297         * config/alpha/linux-unwind.h: New file, macro converted to
5298         function, extracted from..
5299         * config/alpha/linux.h (MD_FALLBACK_FRAME_STATE_FOR): ..this.
5300         (MD_UNWIND_SUPPORT): Define.
5301         * config/alpha/vms-unwind.h, config/alpha/vms.h: Likewise.
5302         * config/i386/linux-unwind.h, config/i386/linux.h,
5303         config/i386/linux64.h: Likewise.
5304         * config/ia64/linux-unwind.h, config/ia64/linux.h: Likewise.
5305         MD_HANDLE_UNWABI too.
5306         * config/mips/linux-unwind.h, config/mips/linux.h: Likewise.
5307         * config/pa/linux-unwind.h, config/pa/pa32-linux.h: Likewise.
5308         * config/rs6000/darwin-unwind.h, config/rs6000/darwin.h: Likewise.
5309         * config/s390/linux-unwind.h, config/s390/linux.h: Likewise.
5310         * config/sparc/linux-unwind.h, config/sparc/linux.h,
5311         config/sparc/linux64.h: Likewise.
5312         * config/sh/linux-unwind.h, config/sh/linux.h: Likewise, but merge
5313         SH_FALLBACK_FRAME_FLOAT_STATE into sh_fallback_frame_state.
5314         * config/rs6000/linux-unwind.h, config/rs6000/linux.h,
5315         config/rs6000/linux64.h: Likewise.  Split out get_sigcontext
5316         function.  Use ARG_POINTER_REGNUM for 32-bit temp reg too.
5317
5318 2004-09-07  Jan Hubicka  <jh@suse.cz>
5319
5320         * cse.c (fold_rtx):  Avoid building of
5321         (CONST (MINUS (CONST_INT) (SYMBOL_REF)))
5322
5323         * tree-ssa-pre.c (grand_bitmap_obstack): New.
5324         (value_insert_into_set_bitmap, bitmap_set_new): Use the obstack.
5325         (init_pre): Initialize obstack.
5326         (fini_pre): Free obstack.
5327
5328 2004-09-07  David Daney  <ddaney@avtrex.com>
5329
5330         * config.gcc: Added support for --with-divide=[breaks|traps] for
5331         mips targets.
5332         * config/mips/mips.h (MASK_DIVIDE_BREAKS): New target_flags bit.
5333         (TARGET_DIVIDE_TRAPS): New macro.
5334         (TARGET_SWITCHES): Added -mdivide-traps and -mdivide-breaks.
5335         (OPTION_DEFAULT_SPECS): Added --with-divide= support.
5336         * config/mips/mips.c (mips_idiv_insns): Generate proper count on
5337         GENERATE_DIVIDE_TRAPS.
5338         (mips_output_division): Emit conditional trap if
5339         GENERATE_DIVIDE_TRAPS is set.
5340         * doc/install.texi: Document --with-divide.
5341         * doc/invoke.texi: Document -mdivide-traps and -mdivide-breaks.
5342
5343 2004-09-07  Caroline Tice  <ctice@apple.com>
5344
5345         * cfgrtl.c (rtl_verify_flow_info_1):  Add new edge flag,
5346         EDGE_CROSSING, to flags test case.
5347
5348 2004-09-07  Jan Hubicka  <jh@suse.cz>
5349
5350         * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Deal with '<'
5351         class too.
5352
5353 2004-09-07  Nathan Sidwell  <nathan@codesourcery.com>
5354
5355         * cfganal.c (flow_depth_first_order_compute, dfs_enumerate_from,
5356         cfgbuild.c, inside_basic_block_p, control_flow_insn_p,
5357         make_label_edge, make_edges, find_basic_blocks_1): Use gcc_assert
5358         or gcc_unreachable.
5359         * cfg.c (clear_edges, initialize_bb_rbi, compact_blocks,
5360         remove_edge, alloc_aux_for_blocks, free_aux_for_blocks,
5361         alloc_aux_for_edges, free_aux_for_edges): Likewise.
5362         * cfgcleanup.c (try_forward_edges,
5363         merge_blocks_move_predecessor_nojumps,
5364         merge_blocks_move_successor_nojumps): Likewise.
5365         * cfgexpand.c (expand_gimple_cond_expr,
5366         expand_gimple_tailcall): Likewise.
5367         * cfghooks.c (duplicate_block): Likewise.
5368         * cfglayout.c (record_effective_endpoints,
5369         insn_locators_initialize, change_scope, fixup_reorder_chain,
5370         verify_insn_chain, fixup_fallthru_exit_predecessor,
5371         duplicate_insn_chain, cfg_layout_finalize): Likewise.
5372         * cfgloopanal.c (check_irred): Likewise.
5373         * cfgloop.c (superloop_at_depth, flow_loops_free,
5374         flow_loop_entry_edges_find, flow_loops_find,
5375         flow_loop_outside_edge_p, get_loop_body,
5376         get_loop_body_in_dom_order, get_loop_body_in_bfs_order,
5377         get_loop_exit_edges, num_loop_branches, cancel_loop,
5378         verify_loop_structure): Likewise.
5379         cfgloopmanip.c (find_path, remove_path, loop_delete_branch_edge,
5380         duplicate_loop_to_header_edge, create_preheader,
5381         create_loop_notes): Likewise.
5382         * cfgrtl.c (delete_insn, try_redirect_by_replacing_jump,
5383         edirect_branch_edge, force_nonfallthru_and_redirect,
5384         rtl_split_edge, insert_insn_on_edge, commit_one_edge_insertion,
5385         commit_edge_insertions, commit_edge_insertions_watch_calls,
5386         purge_dead_edges, cfg_layout_redirect_edge_and_branch,
5387         cfg_layout_redirect_edge_and_branch_force,
5388         cfg_layout_merge_blocks, rtl_flow_call_edges_add): Likewise.
5389         * cgraph.c (cgraph_node, cgraph_create_edge, cgraph_remove_edge,
5390         cgraph_redirect_edge_callee, cgraph_global_info, cgraph_rtl_info,
5391         cgraph_varpool_node): Likewise.
5392         * cgraphunit.c (cgraph_finalize_function,
5393         cgraph_finalize_compilation_unit, cgraph_mark_functions_to_output,
5394         cgraph_expand_function, cgraph_remove_unreachable_nodes,
5395         cgraph_clone_inlined_nodes, cgraph_mark_inline_edge,
5396         cgraph_mark_inline, cgraph_expand_all_functions,
5397         cgraph_build_static_cdtor): Likewise.
5398         * combine.c  (do_SUBST, try_combine, subst, combine_simplify_rtx,
5399         simplify_logical, distribute_notes, insn_cuid): Likewise.
5400         * conflict.c (conflict_graph_add, print_conflict): Likewise.
5401         * coverage.c (rtl_coverage_counter_ref, tree_coverage_counter_ref,
5402         coverage_checksum_string): Likewise.
5403         * cse.c (make_new_qty, make_regs_eqv, insert, invalidate,
5404         hash_rtx, exp_equiv_p, cse_basic_block, count_reg_usage,
5405         cse_cc_succs, cse_condition_code_reg): Likewise.
5406         * cselib.c (entry_and_rtx_equal_p, remove_useless_values,
5407         rtx_equal_for_cselib_p, wrap_constant, cselib_hash_rtx,
5408         new_cselib_val, cselib_subst_to_values, cselib_invalidate_regno,
5409         cselib_record_set): Likewise.
5410
5411 2004-09-07  Jan Hubicka  <jh@suse.cz>
5412
5413         * tree-ssa-loop-ivopts.c (iv_value): Avoid invalid sharing on niter.
5414
5415 2004-09-07  Nathan Sidwell  <nathan@codesourcery.com>
5416
5417         * builtins.c (fold_builtin_strchr): Use build_int_cst, not
5418         fold_convert.
5419         (fold_builtin_strpbrk): Likewise.
5420         * expr.c (array_ref_low_bound): Likewise.
5421         * tree-scalar-evolution.c (chrec_is_positive, add_to_evolution_1,
5422         interpret_rhs_modify_expr, number_of_iterations_in_loop): Likewise.
5423         * tree-sra.c (generate_element_zero): Likewise.
5424         * tree-ssa-dom.c (simplify_rhs_and_lookup_avail_expr): Likewise.
5425         * tree-ssa-loop-ivopts.c (determine_biv_step, idx_find_step,
5426         add_old_iv_candidates, add_iv_candidates): Likewise.
5427         * tree-tailcall.c (tree_optimize_tail_calls_1): Likewise.
5428
5429 2004-09-07  Nathan Sidwell  <nathan@codesourcery.com>
5430
5431         * c-aux-info.c (gen_type): Use gcc_assert or gcc_unreachable.
5432         * c-common.c (c_type_hash, c_common_nodes_and_builtins,
5433         c_expand_expr, boolean_increment, nonnull_check_p,
5434         check_function_arguments_recurse, fold_offsetof_1): Likewise.
5435         * c-cppbuiltin.c (define__GNUC__, builtin_define_stdint_macros,
5436         builtin_define_type_max): Likewise.
5437         * c-decl.c (bind, pop_scope, merge_decls, pushdecl_top_level,
5438         implicit_decl_warning, builtin_function, build_compound_literal,
5439         complete_array_type, grokdeclarator, get_parm_info,
5440         start_function, store_parm_decls_oldstyle,
5441         c_write_global_declarations): Likewise.
5442         * c-format.c (get_constant, decode_format_attr,
5443         maybe_read_dollar_number, get_flag_spec, check_format_arg,
5444         check_format_types, format_type_warning,
5445         find_char_info_specifier_index, init_dynamic_asm_fprintf_info,
5446         init_dynamic_diag_info, handle_format_attribute): Likewise.
5447         * c-gimplify.c (push_context, pop_context, finish_bc_block):
5448         * c-lex.c (c_lex_with_flags, lex_string): Likewise.
5449         * c-objc-common.c (c_tree_printer): Likewise.
5450         * c-pch.c (pch_init): Likewise.
5451         * c-pragma.c (maybe_apply_pragma_weak): Likewise.
5452         * c-pretty-print.c (pp_c_tree_decl_identifier): Likewise.
5453         * c-typeck.c (c_incomplete_type_error, composite_type,
5454         common_pointer_type, common_type, same_translation_unit_p,
5455         tagged_types_tu_compatible_p, finish_init, pop_init_level,
5456         set_designator, set_nonincremental_init_from_string,
5457         process_init_element, c_finish_if_stmt): Likewise.
5458         * caller-save.c (init_caller_save, save_call_clobbered_regs,
5459         insert_restore, insert_save, insert_one_insn): Likewise.
5460         * calls.c (emit_call_1, compute_argument_block_size,
5461         precompute_arguments, expand_call, emit_library_call_value_1,
5462         store_one_arg): Likewise.
5463
5464 2004-09-07  Nathan Sidwell  <nathan@codesourcery.com>
5465
5466         * configure.ac (enable-checking): Add release option. Reorganize
5467         to avoid repetition.
5468         * configure: Rebuilt.
5469         * doc/install.texi (enable-checking): Amend documentation.
5470
5471 2004-09-06  H.J. Lu  <hongjiu.lu@intel.com>
5472
5473         PR bootstrap/17313
5474         * Makefile.in (specs.ready): Depend on cc1$(exeext).
5475
5476 2004-09-06  James E Wilson  <wilson@specifixinc.com>
5477
5478         * config/mips/mips.md (movsf_hardfloat, movdf_hardfloat_64bit,
5479         movdf_hardfloat_32bit): Split fG into two alternatives.
5480         (movv2sf_hardfloat_64bit): Split fYG into two alternatives.
5481
5482         * emit-rtl.c (try_split): Check INSN_P before may_trap_p call.
5483
5484 2004-09-06  Eric Botcazou  <ebotcazou@libertysurf.fr>
5485
5486         * final.c (output_in_slot): Delete.
5487         (final_scan_insn): Revert 2004-09-03 change.
5488         (output_asm_insn): Likewise.
5489         * config/sparc/sparc.c (output_return): Likewise.
5490         (output_sibcall): Likewise.
5491
5492 2004-09-06  Jan Hubicka  <jh@suse.cz>
5493
5494         * loop.c (loop_dump_aux): Do not print RTL when not available.
5495         * tree-ssa-loop-ivopts.c (add_standard_iv_candidates): Do not use
5496         frontend specific type nodes.
5497         (produce_memory_decl_rtl): Break out from ...
5498         (prepare_decl_rtl): ... here.  Handle ADDR_EXPR correctly.
5499         (get_computation_at): Avoid random tree sharing.
5500         (tree_ssa_iv_optimize): Verify tree sharing; dump loops.
5501
5502 2004-09-06  Zack Weinberg  <zack@codesourcery.com>
5503
5504         * Makefile.in (rtl.o, bitmap.o): Correct dependencies, remove
5505         unnecessary commands.
5506
5507 2004-09-06  Mohan Embar  <gnustuff@thisiscool.com>
5508
5509         * Makefile.in (rtl.o): Remove -DGENERATOR_FILE.
5510         (bitmap.o): Likewise.
5511
5512 2004-09-06  Paolo Bonzini  <bonzini@gnu.org>
5513
5514         Unify the management of RTL and tree-level dump files.
5515
5516         * cfgexpand.c (tree_expand_cfg): Fix incorrect comment.
5517         Don't print function name to the dump file, the pass manager
5518         would do this for us. Add code from the top of
5519         rest_of_compilation, up to the initial RTL dump.
5520         * passes.c (rest_of_handle_jump): Call fixup_tail_calls and
5521         close the DFI_sibling dump file.
5522         (rest_of_compilation): Don't do that here.  Remove code up to the
5523         initial RTL dump.
5524         (init_optimization_passes): Remove.
5525         (pass_rest_of_compilation): Change pass name to NULL.
5526         * toplev.c (lang_dependent_init): Do not use an empty dump file prefix.
5527         Do not call init_optimization_passes.
5528         * toplev.h (init_optimization_passes): Remove.
5529
5530         * graph.c (print_rtl_graph_with_bb, clean_graph_dump_file,
5531         finish_graph_dump_file): Remove SUFFIX parameter.
5532         * graph.h (print_rtl_graph_with_bb, clean_graph_dump_file,
5533         finish_graph_dump_file): Likewise.
5534
5535         * tree-pass.h (struct tree_opt_pass): Add `letter' field.
5536         * cfgexpand.c (pass_expand): Adjust.
5537         * gimple-low.c (pass_lower_cf, pass_remove_useless_vars): Adjust.
5538         * passes.c (pass_rest_of_compilation): Adjust.
5539         * predict.c (pass_profile): Adjust.
5540         * tree-alias-common.c (pass_build_pta, pass_del_pta): Adjust.
5541         * tree-cfg.c (pass_build_cfg, pass_remove_useless_stmts,
5542         pass_split_crit_edges, pass_warn_function_return): Adjust.
5543         * tree-complex.c (pass_lower_vector_ssa, pass_pre_expand): Adjust.
5544         * tree-dfa.c (pass_referenced_vars): Adjust.
5545         * tree-eh.c (pass_lower_eh): Adjust.
5546         * tree-if-conv.c (pass_build_ssa): Adjust.
5547         * tree-into-ssa.c (pass_build_ssa): Adjust.
5548         * tree-mudflap.c (pass_mudflap_1, pass_mudflap_2): Adjust.
5549         * tree-nomudflap.c (pass_mudflap_1, pass_mudflap_2): Adjust.
5550         * tree-nrv.c (pass_nrv): Adjust.
5551         * tree-optimize.c (pass_gimple, pass_all_optimizations,
5552         pass_cleanup_cfg_post_optimizing, pass_free_datastructures,
5553         pass_init_datastructures): Adjust.
5554         * tree-outof-ssa.c (pass_del_ssa): Adjust.
5555         * tree-profile.c (pass_tree_profile): Adjust.
5556         * tree-sra.c (pass_sra): Adjust.
5557         * tree-ssa-alias.c (pass_may_alias): Adjust.
5558         * tree-ssa-ccp.c (pass_ccp, pass_fold_builtins): Adjust.
5559         * tree-ssa-copyrename.c (pass_rename_ssa_copies): Adjust.
5560         * tree-ssa-dce.c (pass_dce, pass_cd_dce): Adjust.
5561         * tree-ssa-dom.c (pass_dominator): Adjust.
5562         * tree-ssa-dse.c (pass_dse): Adjust.
5563         * tree-ssa-forwprop.c (pass_forwprop): Adjust.
5564         * tree-ssa-if-conv.c (pass_if_conversion): Adjust.
5565         * tree-ssa-loop-ch.c (pass_ch): Adjust.
5566         * tree-ssa-loop.c (pass_loop, pass_loop_init, pass_lim,
5567         pass_loop_done, pass_complete_unroll, pass_iv_canon,
5568         pass_iv_optimize, pass_vectorize): Adjust.
5569         * tree-ssa-phiopt.c (pass_phiopt): Adjust.
5570         * tree-ssa-pre.c (pass_pre, pass_fre): Adjust.
5571         * tree-ssa.c (pass_redundant_phi, pass_early_warn_uninitialized,
5572         pass_late_warn_uninnitialized): Adjust.
5573         * tree-tailcall.c (pass_tail_recursion, pass_tail_calls): Adjust.
5574
5575         * Makefile.in (tree-dump.o): Add new dependencies.
5576         * cgraph.c (cgraph_remove_node): TDF_all -> TDF_tree_all.
5577         * cgraphunit.c (cgraph_preserve_function_body_p, cgraph_optimize):
5578         Likewise.
5579         * toplev.c (dump_file_name): New.
5580         * tree-dump.c (dump_enable_all): Add LETTER parameter.
5581         (struct dump_file_info): Add NUM and LETTER fields.
5582         (dump_files): Adjust and add RTL dump files.
5583         (dump_register): Add NUM and LETTER fields.
5584         (get_dump_file_name, dump_initialized_p, enable_rtl_dump_file): New.
5585         (dump_begin): Use get_dump_file_name.
5586         (dump_switch_p_1): Adjust call to dump_enable_all.
5587         * tree-dump.h (dump_register): Adjust prototype.
5588         * tree-optimize.c (register_one_dump_file): Take dump file index.
5589         Support flags for RTL dumps.
5590         (register_dump_files): Fill in NUM field of struct dump_file_info.
5591         Track properties both when the gate is executed and when it is not.
5592         (execute_todo): Dump RTL.  Add PROPERTIES parameter.
5593         (execute_one_pass): Pass properties to execute_todo.  Handle VCG
5594         dumps of RTL.
5595         * tree-pass.h (dump_file_name): New.
5596         * tree.h (TDF_TREE, TDF_RTL, get_dump_file_name, dump_initialized_p):
5597         New.
5598
5599         * Makefile.in (passes.o): Add new dependencies.
5600         * passes.c (struct dump_file_info, enum dump_file_index,
5601         dump_file_tbl, init_optimization_passes): Remove.
5602         (open_dump_file, close_dump_file): Use tree-dumping infrastructure.
5603         (rest_of_handle_new_regalloc, rest_of_handle_old_regalloc): Use
5604         dump_enabled_p.
5605         (finish_optimization_passes): Update finish_graph_dump_file loop.
5606         (enable_rtl_dump_file): Remove.
5607         * tree-dump.c (dump_files): Adjust and add RTL dump files.
5608         (enable_rtl_dump_file): Add here.
5609         * tree.h (enum tree_dump_index): Add RTL dump file indices.
5610         * doc/invoke.texi (Debugging options): Document new RTL debugging
5611         options.  Update.
5612
5613 2004-09-05  Kazu Hirata  <kazu@cs.umass.edu>
5614
5615         * c-common.c, c-decl.c, combine.c, defaults.h, fold-const.c,
5616         gimplify.c, gthr-nks.h, hooks.c, lambda-code.c, lambda-mat.c,
5617         stor-layout.c, target.h, tree-cfg.c, tree-chrec.c,
5618         tree-if-conv.c, tree-inline.c, tree-into-ssa.c,
5619         tree-mudflap.c, tree-optimize.c, tree-scalar-evolution.c,
5620         tree-ssa-alias.c, tree-ssa-ccp.c, tree-ssa-dce.c,
5621         tree-ssa-pre.c, tree-vectorizer.c, tree-vectorizer.h, tree.h,
5622         vec.h: Fix comment formatting.
5623
5624 2004-09-05  Kazu Hirata  <kazu@cs.umass.edu>
5625
5626         * c-common.c, cfgexpand.c, cgraphunit.c, defaults.h,
5627         et-forest.c, expr.c, gimplify.c, global.c, gthr-lynx.h,
5628         hard-reg-set.h, modulo-sched.c, optabs.c, postreload-gcse.c,
5629         tree-data-ref.c, tree-flow.h, tree-if-conv.c, tree-inline.c,
5630         tree-sra.c, tree-ssa-loop-im.c, tree-ssa-loop-ivopts.c,
5631         tree-ssa-loop-niter.c, tree-ssa-operands.c,
5632         tree-ssa-operands.h, tree-ssa-propagate.c,
5633         tree-ssa-propagate.h, tree-ssa-threadupdate.c, value-prof.c,
5634         vec.c, vec.h: Fix comment typos.  Follow spelling conventions.
5635
5636 2004-09-05  Diego Novillo  <dnovillo@redhat.com>
5637
5638         * tree-if-conv.c (gate_tree_if_conversion): Enable only if the
5639         vectorizer is enabled.
5640
5641 2004-09-05  Andreas Jaeger  <aj@suse.de>
5642
5643         * tree-if-conv.c: Spell check comments and clean up whitespace.
5644
5645 2004-09-05  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
5646
5647         * tree-ssa-loop-ivopts.c: New file.
5648         * Makefile.in (tree-ssa-loop-ivopts.c): Add.
5649         * cfgloop.h (target_avail_regs, target_res_regs, target_small_cost,
5650         target_pres_cost, target_spill_cost): Declare.
5651         * cfgloopanal.c (avail_regs, res_regs, small_cost, pres_cost,
5652         spill_cost): Renamed to ...
5653         (target_avail_regs, target_res_regs, target_small_cost,
5654         target_pres_cost, target_spill_cost): ... and exported.
5655         (init_set_costs, global_cost_for_size): Work with renamed variables.
5656         * common.opt (flag_ivopts): New flag.
5657         * expr.c (expand_expr_real_1): Handle SSA_NAME case.  Handle
5658         REF_ORIGINAL.
5659         * gimplify.c (struct gimplify_ctx): Add into_ssa field.
5660         (internal_get_tmp_var, gimplify_modify_expr, gimplify_expr): Support
5661         generating SSA form.
5662         (force_gimple_operand): New function.
5663         * timevar.def (TV_TREE_LOOP_IVOPTS): New timevar.
5664         * tree-cfg.c (stmt_bsi): New function.
5665         * params.def (PARAM_IV_CONSIDER_ALL_CANDIDATES_BOUND,
5666         PARAM_IV_MAX_CONSIDERED_USES): New.
5667         * tree-flow.h (stmt_bsi, tree_ssa_iv_optimize, split_loop_exit_edge,
5668         bsi_insert_on_edge_immediate_loop. standard_iv_increment_position,
5669         ip_end_pos, ip_normal_pos, force_gimple_operand): Declare.
5670         * tree-gimple.c (is_gimple_formal_tmp_var): Accept ssa names.
5671         * tree-nested.c (build_addr): Export.
5672         * tree-optimize.c (init_tree_optimization_passes): Add
5673         pass_iv_optimize.
5674         * tree-pass.h (pass_iv_optimize): Declare.
5675         * tree-ssa-loop-im.c (for_each_index): Handle REALPART_EXPR and
5676         IMAGPART_EXPR.
5677         * tree-ssa-loop-manip.c (create_iv): Force the base to be acceptable
5678         as a phi node argument.
5679         (split_loop_exit_edge, bsi_insert_on_edge_immediate_loop,
5680         ip_end_pos, ip_normal_pos, standard_iv_increment_position): New
5681         functions.
5682         * tree-ssa-loop-niter.c (zero_p, unsigned_type_for): Export.
5683         * tree-ssa-loop.c (tree_ssa_loop_ivopts, gate_tree_ssa_loop_ivopts,
5684         pass_iv_optimize): New pass.
5685         * tree-ssa-operands.c (get_indirect_ref_operands): Handle REF_ORIGINAL.
5686         * tree-ssanames.c (release_ssa_name): Allow calling with var = NULL.
5687         * tree.c (build_int_cst_type, cst_and_fits_in_hwi): New functions.
5688         * tree.h (REF_ORIGINAL): New macro.
5689         (build_int_cst_type, unsigned_type_for, zero_p,
5690         cst_and_fits_in_hwi, build_addr): Declare.
5691         * doc/invoke.texi (-fivopts): Document.
5692         (PARAM_IV_CONSIDER_ALL_CANDIDATES_BOUND,
5693         PARAM_IV_MAX_CONSIDERED_USES): Document.
5694         * doc/passes.texi: Document induction variable optimizations pass.
5695
5696 2004-09-04  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
5697
5698         * builtin-attrs.def (ATTR_NOTHROW_SENTINEL_1): New.
5699         * builtins.def (BUILT_IN_EXECLE): Set ATTR_NOTHROW_SENTINEL_1.
5700         * c-common.c (c_common_attribute_table): Accept parameters to
5701         sentinel attribute.
5702         (check_function_sentinel, handle_sentinel_attribute): Likewise.
5703         * doc/extend.texi: Update accordingly.
5704
5705 2004-09-04  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
5706
5707         * builtin-attrs.def (ATTR_SENTINEL, ATTR_SENTINEL_NOTHROW_LIST):
5708         New.
5709         * builtins.def (BUILT_IN_EXECL, BUILT_IN_EXECLP): Add `sentinel'
5710         attribute.
5711         * c-common.c (handle_sentinel_attribute, check_function_sentinel):
5712         New functions.
5713         (c_common_attribute_table): Add `sentinel' attribute.
5714         (check_function_arguments): Handle `sentinel' attribute.
5715         * doc/extend.texi: Document `sentinel' attribute.
5716
5717 2004-09-04  H.J. Lu  <hongjiu.lu@intel.com>
5718
5719         * configure: Regenerated.
5720
5721 2004-09-04  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
5722
5723         * gimplify.c (internal_get_tmp_var): Remove unused var CLASS.
5724
5725         * tree.c (save_expr): No longer TREE_READONLY.
5726
5727 2004-09-04  Jan Hubicka  <jh@suse.cz>
5728
5729         * passes.c (rest_of_clean_state):  Fix merge conflict made during
5730         commiting the patch.
5731
5732 2004-09-04  Jan Hubicka  <jh@suse.cz>
5733
5734         * passes.c (rest_of_clean_state):  Decompose the instruction stream.
5735
5736 2004-09-04  Richard Sandiford  <rsandifo@redhat.com>
5737
5738         * doc/md.texi (shift patterns): New anchor.  Add reference to
5739         TARGET_SHIFT_TRUNCATION_MASK.
5740         * doc/tm.texi (TARGET_SHIFT_TRUNCATION_MASK): Document.
5741         * target.h (shift_truncation_mask): New target hook.
5742         * targhook.h (default_shift_truncation_mask): Declare.
5743         * targhook.c (default_shift_truncation_mask): Define.
5744         * target-def.h (TARGET_SHIFT_TRUNCATION_MASK): Define.
5745         (TARGET_INITIALIZER): Include it.
5746         * simplify-rtx.c (simplify_binary_operation): Combine ASHIFT, ASHIFTRT
5747         and LSHIFTRT cases.  Truncate arg1 if SHIFT_COUNT_TRUNCATED, otherwise
5748         reject all out-of-range values.  Fix sign-extension code for modes
5749         whose width is smaller than HOST_BITS_PER_WIDE_INT.
5750         * optabs.c (simplify_expand_binop, force_expand_binop): New functions.
5751         (expand_superword_shift, expand_subword_shift): Likewise.
5752         (expand_doubleword_shift_condmove, expand_doubleword_shift): Likewise.
5753         (expand_binop): Use them to implement double-word shifts.
5754         * config/arm/arm.c (arm_shift_truncation_mask): New function.
5755         (TARGET_SHIFT_TRUNCATION_MASK): Define.
5756
5757 2004-09-04  Jan Hubicka  <jh@suse.cz>
5758
5759         * tree.c (iterate_hash_expr): Optimize, avoid use of iterative_hash_object.
5760         (mix): New macro copied from hashtab.c
5761         (iterative_hash_hashval_t, iterative_hash_pointer,
5762         iterative_hash_host_wide_int): New functions based on hashtab.c
5763         implementation.
5764
5765 2004-09-04  Richard Sandiford  <rsandifo@redhat.com>
5766
5767         * config/mips/mips.md (mask): New mode attribute.
5768         (zero_extendsidi2): Add memory alternative.
5769         (*zero_extendsidi2_mem): Delete.
5770         (zero_extend[qh]i[sd]i2): Redefine using :GPR and :SHORT.  Use
5771         memory_operand in the TARGET_MIPS16 check.
5772         (*zero_extend[qh]i[sd]i2{,_mips16}): Name previously unnamed patterns.
5773         Redefine using :GPR and :SHORT.
5774         (zero_extendqihi2): Use memory_operand in the TARGET_MIPS16 check.
5775
5776 2004-09-04  Uros Bizjak  <uros@kss-loka.si>
5777
5778         * builtins.c (expand_builtin_mathfn): Handle BUILT_IN_RINT{,F,L}
5779         using rint_optab.
5780         (expand_builtin): Expand BUILT_IN_RINT{,F,L} using
5781         expand_builtin_mathfn.
5782         * genopinit.c (optabs): Rename trunc_optab to btrunc_optab. Use
5783         btrunc?f patterns for btrunc_optab. Implement rint_optab using
5784         rint?f patterns.
5785         * optabs.c (init_optabs): Initialize rint_optab.
5786         * optabs.h (enum optab_index): Rename OTI_trunc to OTI_btrunc.
5787         Add new OTI_rint.
5788         (btrunc_optab): Rename macro from trunc_optab.
5789         (rint_optab): Define corresponding macro.
5790
5791         * reg-stack.c (subst_stack_regs_pat): Handle UNSPEC_FRNDINT_FLOOR,
5792         UNSPEC_FRNDINT_CEIL, UNSPEC_FRNDINT_TRUNC, UNSPEC_FRNDINT_MASK_PM.
5793
5794         * config/i386/i386-protos.h (emit_i387_cw_initialization):
5795         Change prototype. Add new int parameter.
5796         * config/i386/i386.c (emit_i387_cw_initialization):
5797         Handle new rounding modes.
5798
5799         * config/i386/i386.h (enum fp_cw_mode): Delete.
5800         (MODE_NEEDED): Handle new rounding modes.
5801         (EMIT_MODE_SET): Change condition to handle new rounding modes.
5802
5803         * config/i386/i386.md (UNSPEC_FRNDINT_FLOOR, UNSPEC_FRNDINT_CEIL,
5804         UNSPEC_FRNDINT_TRUNC, UNSPEC_FRNDINT_MASK_PM): New unspecs to
5805         represent different rounding modes of frndint insn.
5806         (type): Add frndint type.
5807         (i387, length, memory): Handle this type.
5808         (i387_cw): New attribute definition.
5809         (*fix_truncdi_1, fix_truncdi_nomemory, fix_truncdi_memory,
5810         *fix_truncsi_1, fix_truncsi_nomemory, fix_truncsi_memory,
5811         *fix_trunchi_1, fix_trunchi_nomemory, fix_trunchi_memory):
5812         Add "i387_cw" attribute defined to "trunc".
5813         (x86_fnstcw_1): Remove comment.
5814         (*frndintxf2): Rename insn definition to frndintxf2. Move
5815         insn definition near rint?f2 expanders.
5816         (rintdf2, rintsf2, rintxf2): New expanders to implement rint,
5817         rintf and rintl built-ins as inline x87 intrinsics.
5818         (frndintxf2_floor): New pattern to implement floor rounding
5819         mode with frndint x87 instruction.
5820         (floordf2, floorsf2, floorxf2): New expanders to implement floor,
5821         floorf and floorl built-ins as inline x87 intrinsics.
5822         (frndintxf2_ceil): New pattern to implement ceil rounding
5823         mode with frndint x87 instruction.
5824         (ceildf2, ceilsf2, ceilxf2): New expanders to implement ceil,
5825         ceilf and ceill built-ins as inline x87 intrinsics.
5826         (frndintxf2_trunc): New pattern to implement trunc rounding
5827         mode with frndint x87 instruction.
5828         (btruncdf2, btruncsf2, btruncxf2): New expanders to implement trunc,
5829         truncf and truncl built-ins as inline x87 intrinsics.
5830         (frndintxf2_mask_pm): New pattern to implement rounding
5831         mode with exceptions with frndint x87 instruction.
5832         (nearbyintdf2, nearbyintsf2, nearbyintxf2): New expanders to
5833         implement nearbyint, nearbyintf and nearbyintl built-ins as
5834         inline x87 intrinsics.
5835
5836 2004-09-04  Richard Sandiford  <rsandifo@redhat.com>
5837
5838         * config/mips/mips.md (SHORT): New mode macro.
5839         (size): New mode attribute.
5840         (extend[qh]i[sd]i2): Redefine using :GPR and :SHORT.
5841         (*extend[qh]i[sd]i2): New define_insn_and_split, combining previous
5842         *extend[qh]i[sd]i2 and *extend[qh]i[sd]i2_mem patterns.  Use only if
5843         !ISA_HAS_SEB_SEH.
5844         (*extend[qh]i[sd]i2_se[bh]): New pattern, combining previous
5845         *extend[qh]isi2_hw patterns and extending them to di.
5846         (extendqihi2): Implement as define_insn_and_split that produces
5847         extendqisi2 after reload.
5848
5849 2004-09-03  Devang Patel  <dpatel@apple.com>
5850
5851         * Makefile.in (OBJS-common): Add tree-if-conv.o
5852         (tree-if-conv.o): New rule.
5853         * cfgloop.c (flow_loop_exit_edges_find): Set EDGE_LOOP_EXIT flag.
5854         (get_loop_body_in_bfs_order): New.
5855         * cfgloop.h (get_loop_body_in_bfs_order): New.
5856         * tree-flow.h (enum move_pos): Move here from ..
5857         * tree-ssa-loop-im.c (enum move_pos): here.
5858         (movement_possibility): Make externally visible.
5859         * tree-optimize.c (init_tree_optimization_passes): New entry for
5860         if conversion pass.
5861         * tree-pass.h (pass_if_conversion): New.
5862         * tree-ssa-operands.c (get_expr_operands): Handle COND_EXPR.
5863         * tree-if-conv.c: New file.
5864         * doc/passes.texi: Document tree if-conversion pass.
5865         * doc/tree-ssa.texi: Same.
5866
5867 2004-09-03  H.J. Lu  <hongjiu.lu@intel.com>
5868
5869         PR target/14925:
5870         Makefile.in (LIB2ADDEHSTATIC): New.
5871         (LIB2ADDEHSHARED): New.
5872         (LIBUNWIND): New.
5873         (LIBUNWINDDEP): New.
5874         (SHLIBUNWIND_LINK): New.
5875         (SHLIBUNWIND_INSTALL): New.
5876         (libgcc.mk): Pass LIB2ADDEHSTATIC, LIB2ADDEHSHARED, LIBUNWIND,
5877         LIBUNWINDDEP, SHLIBUNWIND_LINK and SHLIBUNWIND_INSTALL.
5878         (clean): Remove libunwind*
5879         (stage1-start): Remove and copy stage1/libunwind*.
5880         (stage2-start): Remove and copy stage2/libunwind*.
5881         (stage3-start): Remove and copy stage3/libunwind*.
5882         (stage4-start): Remove and copy stage4/libunwind*.
5883         (stageprofile-start): Remove and copy stageprofile/libunwind*.
5884         (stagefeedback-start): Remove and copy stagefeedback/libunwind*.
5885
5886         * config.gcc (ia64*-*-linux*): Always add t-libunwind to
5887         tmake_file. Add t-libunwind-elf and ia64/t-glibc-libunwind to
5888         tmake_file if --with-system-libunwind isn't used.
5889
5890         * config/ia64/t-glibc-libunwind: New file.
5891         * config/t-libunwind-elf: Likewise.
5892         * unwind-compat.c: Likewise.
5893         * unwind-compat.h: Likewise.
5894         * unwind-dw2-fde-compat.c: Likewise.
5895
5896         * config/ia64/t-glibc (LIB2ADDEH): Updated.
5897         * config/ia64/t-hpux (T_CFLAGS): Add -DUSE_LIBUNWIND_EXCEPTIONS.
5898
5899         * config/ia64/unwind-ia64.c: Include "unwind-compat.h". Define
5900         aliases if needed.
5901         * unwind-dw2-fde-glibc.c: Likewise.
5902         * unwind-dw2.c: Likewise.
5903
5904         * config/t-libunwind (LIB2ADDEH): Updated.
5905         (LIB2ADDEHSTATIC): New.
5906         (T_CFLAGS): Add -DUSE_LIBUNWIND_EXCEPTIONS.
5907         (TARGET_LIBGCC2_CFLAGS): Set to -DUSE_GAS_SYMVER.
5908
5909         * configure.ac: Change --enable-libunwind-exceptions to
5910         --with-system-libunwind. Don't define USE_LIBUNWIND_EXCEPTIONS.
5911         * configure: Regenerated.
5912         * config.in: Updated.
5913
5914         * doc/install.texi (ia64-*-linux): Require libunwind 0.98 or
5915         above and mention --with-system-libunwind.
5916         (ia64-*-hpux*): Mention --enable-libunwind-exceptions is
5917         removed in gcc 3.4.3 and later.
5918
5919         * gcc.c (init_spec): Add -lunwind to -lgcc_s if
5920         USE_LIBUNWIND_EXCEPTIONS is defined.
5921
5922         * mklibgcc.in: Support libunwind.
5923
5924 2004-09-03  H.J. Lu  <hongjiu.lu@intel.com>
5925
5926         * config/i386/i386.c (x86_branch_hints): Remove m_PENT4 and
5927         m_NOCONA.
5928
5929 2004-09-03  Richard Henderson  <rth@redhat.com>
5930
5931         PR middle-end/9997
5932         * cfgexpand.c (LOCAL_ALIGNMENT): Provide default.
5933         (STACK_ALIGNMENT_NEEDED, FRAME_GROWS_DOWNWARD): Likewise.
5934         (struct stack_var, EOC, stack_vars, stack_vars_alloc, stack_vars_num,
5935         stack_vars_sorted, stack_vars_conflict, stack_vars_conflict_alloc,
5936         frame_phase, get_decl_align_unit, add_stack_var, triangular_index,
5937         resize_stack_vars_conflict, add_stack_var_conflict,
5938         stack_var_conflict_p, add_alias_set_conflicts, stack_var_size_cmp,
5939         union_stack_vars, partition_stack_vars, dump_stack_var_partition,
5940         expand_one_stack_var_at, expand_stack_vars, expand_one_stack_var,
5941         expand_one_static_var, expand_one_hard_reg_var,
5942         expand_one_register_var, expand_one_error_var, defer_stack_allocation,
5943         expand_one_var, expand_used_vars_for_block, clear_tree_used): New.
5944         (expand_used_vars): Rewrite.
5945         * Makefile.in (cfgexpand.o): Update dependencies.
5946
5947 2004-09-04  Jan Hubicka  <jh@suse.cz>
5948
5949         * cfg.c (free_edge): Use ggc_free.
5950         (expunge_block): Use ggc_free.
5951         * passes.c (rest_of_clean_state): Free after compilation.
5952         * tree-ssa.c (delete_tree_ssa): Free annotations; call release_defs
5953         * tree-ssanames.c (release_defs): Ignore non-SSA_NAME arguments.
5954
5955 2004-09-03  James E Wilson  <wilson@specifixinc.com>
5956
5957         * tree-ssa-alias.c (may_be_aliased): Move TREE_STATIC check after
5958         DECL_EXTERNAL check.
5959
5960 2004-09-03  Eric Botcazou  <ebotcazou@libertysurf.fr>
5961
5962         * final.c (output_in_slot): New global variable.
5963         (final_scan_insn): Add new state '2' to the 'nopeepholes' parameter.
5964         Pass 2 as 'nopeepholes' to self for insns in a SEQUENCE.  Set
5965         'output_in_slot' before invoking output_asm_insn.
5966         (output_asm_insn): Add a space after the tab if 'output_in_slot'
5967         is set.
5968         * config/sparc/sparc.c (output_return): Pass 2 as 'nopeepholes' to
5969         final_scan_insn.
5970         (output_sibcall): Likewise.
5971
5972 2004-09-03  Jan Hubicka  <jh@suse.cz>
5973
5974         * tree-ssa-operands.c (fini_ssa_operands): ggc_free unused arrays.
5975         * tree-ssanames (init_ssanames): Likewise.
5976
5977 2004-09-03  Ziemowit Laski  <zlaski@apple.com>
5978
5979         * stub-objc.c (objc_is_id, objc_declare_alias, objc_declare_class,
5980         objc_declare_protocols, objc_start_protocol,
5981         objc_start_class_interface, objc_start_category_interface,
5982         objc_continue_interface, objc_finish_interface,
5983         objc_add_instance_variable, objc_set_visibility, objc_set_method_type,
5984         objc_start_class_implementation, objc_start_category_implementation,
5985         objc_continue_implementation, objc_finish_implementation,
5986         objc_add_method_declaration, objc_start_method_definition,
5987         objc_finish_method_definition, objc_build_keyword_decl,
5988         objc_build_method_signature, objc_build_encode_expr,
5989         objc_build_protocol_expr, objc_build_selector_expr,
5990         objc_build_message_expr, objc_build_string_object,
5991         objc_get_class_reference, objc_get_protocol_qualified_type,
5992         objc_static_init_needed_p, objc_generate_static_init_call): New stubs.
5993
5994 2004-09-03  James E Wilson  <wilson@specifixinc.com>
5995
5996         * config/mips/mips.h (TARGET_CPU_CPP_BUILTINS): Add __mips3d.
5997
5998         * config/mips/generic.md (generic_frecip_fsqrt_step): New.
5999         * config/mips/mips-ps-3d.md (mips_rsqrt1_<fmt>): Use frsqrt1 type.
6000         (mips_rsqrt2_<fmt>): Use frsqrt2 type.
6001         (mips_recip1_<fmt>): Use frdiv1 type.
6002         (mips_recip2_<fmt>): Use frdiv2 type.
6003         * config/mips/mips.md (type): Add frdiv1, frdiv2, frsqrt1, frsqrt2.
6004         * config/mips/sb1.md (ir_sb1_fpu_2pipes, ir_sb1_fpu_1pipe): Add frdiv1
6005         and frsqrt1.
6006         (ir_sb1_fpu_step2_2pipes, ir_sb1_fpu_step2_1pipe): New.
6007
6008 2004-09-03  Daniel Jacobowitz  <dan@debian.org>
6009
6010         * reload.c (find_reloads): Swap operand_loc pointers for
6011         find_dummy_reload if we have swapped two operands.
6012
6013 2004-09-03  Hans-Peter Nilsson  <hp@axis.com>
6014
6015         * config/cris/cris.h (ASM_OUTPUT_CASE_END): Use prev_nonnote_insn
6016         to get the tablejump-insn before the jump-table label.
6017
6018 2004-09-03  Ziemowit Laski  <zlaski@apple.com>
6019
6020         * c-common.h (objc_is_id, objc_declare_alias, objc_declare_class,
6021         objc_declare_protocols, objc_build_message_expr,
6022         objc_finish_message_expr, objc_build_selector_expr,
6023         objc_build_protocol_expr, objc_build_encode_expr,
6024         objc_build_string_object, objc_get_protocol_qualified_type,
6025         objc_get_class_reference, objc_get_class_ivars,
6026         objc_start_class_interface, objc_start_category_interface,
6027         objc_start_protocol, objc_continue_interface, objc_finish_interface,
6028         objc_start_class_implementation, objc_start_category_implementation,
6029         objc_continue_implementation, objc_finish_implementation,
6030         objc_set_visibility, objc_set_method_type, objc_build_method_signature,
6031         objc_add_method_declaration, objc_start_method_definition,
6032         objc_finish_method_definition, objc_add_instance_variable,
6033         objc_build_keyword_decl, objc_build_throw_stmt, objc_begin_try_stmt,
6034         objc_finish_try_stmt, objc_begin_catch_clause,
6035         objc_finish_catch_clause, objc_build_finally_clause,
6036         objc_build_synchronized, objc_static_init_needed_p,
6037         objc_generate_static_init_call): New prototypes.
6038
6039 2004-09-03  Steve Ellcey  <sje@cup.hp.com>
6040
6041         * config/ia64/ia64.c (ia64_function_arg): Use PARALLEL even if there
6042         is only one reg.
6043         (ia64_function_value): Ditto.
6044
6045 2004-09-03  Jan Beulich  <jbeulich@novell.com>
6046
6047         * config.gcc: Resurrect NetWare as a target. Handle special case of
6048         Novell linker to be used (specified through --with-ld=) and threading
6049         model of either Posix (default) or NKS.
6050         * config/i386/i386.c (ix86_return_pops_args): Conditionalize popping
6051         of incoming hidden argument on KEEP_AGGREGATE_RETURN_POINTER.
6052         * config/i386/i386.h (KEEP_AGGREGATE_RETURN_POINTER): New.
6053         * config/i386/netware.c, config/i386/netware.h: New.
6054         * config/i386/nwld.c, config/i386/nwld.h: New.
6055         * config/i386/netware-crt0.c: New.
6056         * config/i386/netware-libgcc.c: New.
6057         * config/i386/netware-libgcc.def: New.
6058         * config/i386/netware-libgcc.exp: New.
6059         * config/i386/t-netware, config/i386/t-nwld: New.
6060         * gthr-nks.h: New.
6061         * doc/install.texi: Document NKS threading model.
6062
6063 2004-09-03  Jan Beulich  <jbeulich@novell.com>
6064
6065         PR c/7054
6066         * defaults.h (TARGET_DEFAULT_PACK_STRUCT): Provide default.
6067         * tree.h (initial_max_fld_align): Declare
6068         * stor-layout.c (initial_max_fld_align): Define and initialize.
6069         (maximum_field_alignment): Initialize to the same value.
6070         * common.opt: Add -fpack-struct= variant of switch.
6071         * opts.c: Handle -fpack-struct= variant of switch.
6072         * c-pragma.c: Change #pragma pack() handling so that it becomes
6073         compatible to other compilers: accept individual 'push' argument,
6074         make final pop restore (command line) default, correct interaction
6075         of push/pop and sole specification of a new alignment (so that the
6076         sequence #pragma pack(push) - #pragma pack(<n>) becomes identical
6077         to #pragma pack(push, <n>).
6078         * doc/extend.texi: New node "Structure-Packing Pragmas" under
6079         "Pragmas", describing #pragma pack.
6080         * doc/invoke.texi: Document -fpack-struct=<n> variant of switch.
6081         * doc/tm.texi: Adjust description for HANDLE_PRAGMA_PACK_PUSH_POP.
6082         Document new TARGET_DEFAULT_PACK_STRUCT.
6083
6084 2004-09-03  Devang Patel  <dpatel@apple.com>
6085
6086         * dwarf2out.c (gen_field_die). Equate decl number to die.
6087
6088 2004-09-03  Vladimir Makarov  <vmakarov@redhat.com>
6089
6090         PR target/15832
6091         * global.c (modify_reg_pav): New function.
6092         (make_accurate_live_analysis): Call the new function.  Move pavin
6093         modification by earlyclobber set into the new function.
6094
6095 2004-09-03  Andreas Schwab  <schwab@suse.de>
6096
6097         * config/m68k/m68k.c (output_andsi3): Use -1 instead of
6098         (HOST_WIDE_INT)0xffffffff since CONST_INT value are always sign
6099         extended.
6100
6101 2004-09-02  Jan Beulich  <jbeulich@novell.com>
6102
6103         * Makefile.in (LIB2ADDEHDEP): Add unwind.h and unwind-pe.h.
6104         * mklibgcc.in (libgcc_dep): New, covering general dependencies, but
6105         not unwind code specific ones.
6106         (libgcc2_c_dep): Replace general dependencies with use of libgcc_dep.
6107         Remove unwind code specific dependencies.
6108         (libgcov_c_dep): Replace general dependencies with use of libgcc_dep.
6109         Remove gbl-ctors.h.
6110         Add libgcc_dep to output generated for LIB2ADD, LIB2ADDEH, and
6111         LIB2ADD_ST. Add LIB2ADDEHDEP to output generated for LIB2ADDEH.
6112         * tsystem.h: Declare memcpy and memset when inhibit_libc.
6113
6114 2004-09-02  Roman Zippel  <zippel@linux-m68k.org>
6115
6116         * combine.c (try_combine): Delay modifying of insns which cannot
6117         be easily undone.
6118
6119 2004-09-02  Daniel Berlin  <dberlin@dberlin.org>
6120
6121         * gcc/common.opt: Rename ivcanon to tree-loop-ivcanon, tree-lim to
6122         tree-loop-im.
6123         * gcc/tree-ssa-loop.c: Ditto
6124         * gcc/tree-ssa-loop-ivcanon.c: Ditto
6125         * gcc/doc/invoke.texi: Ditto.
6126
6127 2004-09-02  Ziemowit Laski  <zlaski@apple.com>
6128
6129         * c-decl.c (store_parm_decls_newstyle): Make static.
6130         (store_parm_decls_from): New function.
6131         * c-tree.h (store_parm_decls_newstyle): Remove prototype.
6132         (store_parm_decls_from): New prototype.
6133
6134 2004-09-02  David Edelsohn  <edelsohn@gnu.org>
6135
6136         * config/rs6000/rs6000.c (expand_block_move): Use SImode and
6137         HImode with STRICT_ALIGNMENT.
6138
6139 2004-09-02  Mark Mitchell  <mark@codesourcery.com>
6140
6141         * config/arm/bpabi.h (TARGET_BPABI_CPP_BUILTINS): Define.
6142         (TARGET_OS_CPP_BUILTINS): Likewise.
6143         * config/arm/symbian.h (TARGET_OS_CPP_BUILTINS): Include
6144         TARGET_BPABI_CPP_BUILTINS.
6145
6146 2004-09-02  Roman Zippel  <zippel@linux-m68k.org>
6147
6148         * combine.c (distribute_notes): Don't add REG_LABEL to jump insn.
6149
6150 2004-09-02  Eric Christopher  <echristo@redhat.com>
6151
6152         * builtins.c (expand_builtin_cabs): Delete.
6153         (expand_builtin): If unable to fold the values do a normal
6154         library call for builtin_cab*.
6155         (fold_builtin_cabs): Depend on optimize and optimize_size.
6156         * optabs.c (expand_cmplxdiv_straight): Delete.
6157         (expand_cmplxdiv_wide): Ditto.
6158         (expand_vector_binop): Ditto.
6159         (expand_vector_unop): Ditto.
6160         (expand_complex_abs): Delete.
6161         (expand_binop): Remove calls to above functions.
6162         Remove open coding of complex arithmetic.
6163         (expand_unop): Ditto.
6164         * optabs.h: Remove prototypes.
6165
6166 2004-09-02  Ziemowit Laski  <zlaski@apple.com>
6167
6168         * c-decl.c (store_parm_decls_newstyle): Make externally visible.
6169         * c-tree.h (store_parm_decls_newstyle): New prototype.
6170
6171 2004-09-02  Geoffrey Keating  <geoffk@apple.com>
6172
6173         * config/rs6000/rs6000.c (expand_block_clear): Use vector
6174         instructions if available.
6175         (expand_block_move): Likewise.
6176
6177 2004-09-03  Jan Hubicka  <jh@suse.cz>
6178
6179         * rtl.def (RANGE_INFO, RANGE_REG, RANGE_VAR, RANGE_LIVE): Kill.
6180
6181 2004-09-02  Mark Mitchell  <mark@codesourcery.com>
6182
6183         * config/arm/symbian.h (LIB_SPEC): Define to empty.
6184         * config/arm/t-symbian (SHLIB_LC): Likewise.
6185
6186 2004-09-02  Paul Brook  <paul@codesourcery.com>
6187
6188         * config/arm/bpabi.c (__aeabi_ul2d, __aeabi_ul2f): Remove.
6189
6190 2004-09-02  Richard Sandiford  <rsandifo@redhat.com>
6191
6192         * config/mips/mips.c (mips_classify_symbol, mips_fetch_insns):
6193         (mips_restore_gp, mips_set_return_address, mips_expand_prologue)
6194         (mips16_fp_args, mips_avoid_hazard): Replace abort with gcc_assert.
6195         (build_mips16_call_stub): Likewise.  Remove daft CALL_INSN checks.
6196         (mips_issue_rate): Remove unreachable abort.
6197         (mips_symbolic_constant_p, mips_symbolic_address_p, mips_symbol_insns)
6198         (mips_output_move, mips_relational_operand_ok_p, mips_arg_info)
6199         (mips_block_move_straight, print_operand_address, mips_file_start)
6200         (mips_initial_elimination_offset, mips16_fp_args, dump_constants_1)
6201         (mips_output_conditional_branch, mips_expand_builtin_direct)
6202         (mips_expand_builtin_compare): Replace abort with gcc_unreachable.
6203         * config/mips/mips.md (rotr<mode>3, consttable_float): Replace abort
6204         with gcc_assert.
6205
6206 2004-09-02  Richard Sandiford  <rsandifo@redhat.com>
6207
6208         * config/mips/mips.md (*lea_high64): Change split condition to
6209         flow2_completed.  Add a peephole2 to generate a more parallel version.
6210
6211 2004-09-02  Jan Hubicka  <jh@suse.cz>
6212
6213         * gimplify.c (gimplify_compound_lval): Move "stack" varray out of
6214         GGC.
6215
6216         * ggc-page.c: include tree-flow.h.
6217         (extra_order_size_table): Add stmt_ann_d.
6218         (STAT_LABEL): Rename from ....
6219         (LABEL): ... this one.
6220         * Makefile.in (ggc-page.o): Add dependency.
6221
6222         * ggc-common.c (ggc_force_collect): New global variable.
6223         (loc_description): Add fields "freed", "collected"
6224         (ptr_hash): New static hash
6225         (ptr_hash_entry): New structure.
6226         (hash_ptr,eq_ptr,ggc_prune_ptr): New static functions.
6227         (ggc_record_overhead): Take ptr argument, record it
6228         (ggc_prune_overhead_list, ggc_free_overhead): New functions.
6229         (cmp_statistics): Imrove sorting.
6230         (dump_ggc_loc_statistics): Output newly collected statistics
6231         * ggc-page.c (ggc_alloc): Update call of ggc_record_overhead
6232         (ggc_free): Call ggc_free_overhead.
6233         (ggc_collect): Force collection when asked to be forced.
6234         (ggc_collect): Call ggc_prune_overhead_list.
6235         * ggc.h (ggc_force_collect): Declare
6236         (ggc_record_overhead): Update prototype.
6237         (ggc_free_overhead, ggc_prune_overhead_list): Declare.
6238
6239 2004-09-02  James E Wilson  <wilson@specifixinc.com>
6240
6241         * common.opt (ftrapping-math): Default to on.
6242
6243 2004-09-02  Richard Earnshaw  <rearnsha@arm.com>
6244
6245         * arm/predicates.md (arm_reload_memory_operand): Allow MEM.
6246
6247 2004-09-02  Denis Chertykov  <denisc@overta.ru>
6248
6249         PR target/16884
6250         * config/avr/avr.md ("movmemhi"): Substitute match_dup to
6251         match_scratch.
6252         (*movmemqi_insn): Likewise.
6253         (*movmemhi): Likewise.
6254         (clrmemhi): Likewise.
6255         (*clrmemqi): Likewise.
6256         (*clrmemhi): Likewise.
6257
6258 2004-09-02  Paul Brook  <paul@codesourcery.com>
6259
6260         * config.gcc (arm*-*-eabi* | arm*-*-symbianelf*): Set
6261         default_use_cxa_atexit=yes.
6262
6263 2004-09-02  Alan Modra  <amodra@bigpond.net.au>
6264
6265         * config/rs6000/linux64.h: Don't include signal.h or sys/ucontext.h.
6266         (struct kernel_old_ucontext): Delete.
6267         (struct gcc_pt_regs, gcc_sigcontext, gcc_ucontext): New.
6268         (MD_FALLBACK_FRAME_STATE_FOR): Use gcc_* structs.  Only define
6269         when IN_LIGGCC2.
6270
6271 2004-09-02  Richard Sandiford  <rsandifo@redhat.com>
6272
6273         * toplev.c (process_options): Fix typo.
6274
6275 2004-09-01  Richard Henderson  <rth@redhat.com>
6276
6277         PR middle-end/17258
6278         * calls.c (initialize_argument_information): Tighten pass-through
6279         conditions for pass-by-reference.  Remove dead TARGET_EXPR code.
6280         Use build_fold_addr_expr.
6281         (emit_library_call_value_1): Use build_fold_addr_expr.  Remove code
6282         that assumes ADDR_EXPR allocates stack space.
6283         * fold-const.c (build_fold_addr_expr_with_type): Look through
6284         WITH_SIZE_EXPR.
6285
6286 2004-09-01  Dan Nicolaescu  <dann@ics.uci.edu>
6287
6288         * gengenrtl.c (gendef): Use rtx_alloc, don't do PUT_CODE.
6289         * ggc.h (ggc_alloc_rtx): Delete.
6290
6291 2004-09-01  Roger Sayle  <roger@eyesopen.com>
6292
6293         * expmed.c (enum alg_code): Remove long unused enumeration values.
6294         (struct mult_cost): New structure to hold the "score" of a synthetic
6295         multiply sequence, including both a rtx_cost and a latency field.
6296         (MULT_COST_LESS): New macro to compare mult_cost to a constant.
6297         (CHEAPER_MULT_COST): New macro to compare two mult_costs.
6298         (struct algorithm): Change type of cost field to be mult_cost.
6299         (synth_mult): Change type of cost_limit argument to be a
6300         pointer to a mult_cost.  Update all cost comparisons to use the
6301         new mult_cost infrastructure.  For alg_add_factor and
6302         alg_sub_factor operations, latency is lower than the rtx_cost.
6303         (choose_mult_variant):  Update calls to synth_mult.  Perform
6304         cost comparisons using the new mult_cost infrastructure.
6305         (expand_mult_highpart): Use alg.cost.cost instead of alg.cost
6306         to optain the total rtx_cost of a synth_mult "algorithm".
6307
6308 2004-09-01  David Edelsohn  <edelsohn@gnu.org>
6309
6310         * config/rs6000/power4.md: Increase store latency to 12.
6311         * config/rs6000/power5.md: Same.
6312
6313 2004-09-01  James E Wilson  <wilson@specifixinc.com>
6314
6315         PR target/14064
6316         * config/avr/avr.c (avr_unique_section): Delete prototype and
6317         definition.
6318         (TARGET_ASM_UNIQUE_SECTION): Delete.
6319
6320 2004-09-01  Ziemowit Laski  <zlaski@apple.com>
6321
6322         * c-parse.in (primary): Call objc_build_message_expr(),
6323         objc_build_selector_expr(), objc_build_protocol_expr(),
6324         objc_build_encode_expr() and objc_build_string_object() instead of
6325         build_message_expr(), build_selector_expr(), build_protocol_expr(),
6326         build_encode_expr() and build_objc_string_object(), respectively.
6327         (component_decl_list2): Call objc_get_class_ivars() instead of
6328         get_class_ivars_from_name().
6329         (keyworddecl): Call objc_build_keyword_decl() instead of
6330         build_keyword_decl().
6331         (receiver): Call objc_get_class_reference() instead of
6332         get_class_reference().
6333         (reswords): Add blank line before @@ifobjc section, for clarity.
6334
6335 2002-09-01  Fariborz Jahanian <fjahanian@apple.com>
6336
6337         * config/rs6000/darwin.h (ROUND_TYPE_ALIGN): Restrict alignment
6338         to Altivec vetors.
6339
6340 2004-09-01  Wu Yongwei  <adah@sh163.net>
6341             Danny Smith  <dannysmith@users.sourceforge.net>
6342
6343         * gthr-win32.h (__gthread_recursive_mutex_t): Use 'unsigned long',
6344         not Windows 'DWORD'.
6345         (__GTHREAD_RECURSIVE_MUTEX_INIT_FUNCTION): Correct typo.
6346         (__GTHREAD_RECURSIVE_MUTEX_INIT_DEFAULT): Likewise.
6347         (__gthr_win32_recursive_mutex_init_function): Add prototype for
6348         __GTHREAD_HIDE_WIN32API case..
6349         (__gthr_win32_recursive_mutex_lock): Likewise.
6350         (__gthr_win32_recursive_mutex_trylock): Likewise.
6351         (__gthr_win32_recursive_mutex_unlock): Likewise.
6352         (__gthread_recursive_mutex_init_function); Add definition for
6353         __GTHREAD_HIDE_WIN32API case.
6354         (__gthread_recursive_mutex_lock): Correct call to InterlockedDecrement.
6355         * config/i386/grthr-win32.c (__gthread_recursive_mutex_lock): Correct
6356         call to InterlockedDecrement.
6357
6358 2004-09-01  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
6359
6360         * tree-tailcall.c (find_tail_calls): Also fail is statement has
6361         volatile operands.
6362
6363         * tree-ssa.c (propagate_into_addr): Properly test for LHR.
6364
6365         * doc/c-tree.texi: Document new operands for ARRAY_REF and
6366         COMPONENT_REF.
6367
6368 2004-09-01  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
6369
6370         * Makefile.in (rtl-profile.o, value-prof.o): Add GCC_H dependency.
6371         * common.opt (fspeculative-prefetching): New.
6372         * flags.h (flag_speculative_prefetching_set): Declare.
6373         * gcov-io.c (gcov_write_counter, gcov_read_counter): Allow negative
6374         values.
6375         * opts.c (flag_sepculative_prefetching_set): New variable.
6376         (common_handle_option): Handle -fspeculative-prefetching.
6377         * passes.c (rest_of_compilation): Ditto.
6378         * profile.c (instrument_values, compute_value_histograms, branch_prob):
6379         Use vectors instead of arrays.
6380         * toplev.c (process_options): Handle -fspeculative-prefetching.
6381         * rtl-profile.c: Include ggc.h.
6382         (rtl_gen_interval_profiler, rtl_gen_pow2_profiler,
6383         rtl_gen_one_value_profiler_no_edge_manipulation,
6384         rtl_gen_one_value_profiler, rtl_gen_const_delta_profiler): Type of
6385         argument changed.
6386         * tree-profile.c (tree_gen_interval_profiler, tree_gen_pow2_profiler,
6387         tree_gen_one_value_profiler, tree_gen_const_delta_profiler): Type of
6388         argument changed.
6389         * value-prof.c: Include ggc.h.
6390         (NOPREFETCH_RANGE_MIN, NOPREFETCH_RANGE_MAX): New
6391         macros.
6392         (insn_prefetch_values_to_profile, find_mem_reference_1,
6393         find_mem_reference_2, find_mem_reference, gen_speculative_prefetch,
6394         speculative_prefetching_transform): New.
6395         (value_profile_transformations): Call speculative_prefetching_transform.
6396         (insn_values_to_profile): Call insn_prefetch_values_to_profile.
6397         (insn_divmod_values_to_profile, rtl_find_values_to_profile,
6398         tree_find_values_to_profile, find_values to profile): Use vectors
6399         instead of arrays.
6400         (free_profiled_values): Removed.
6401         * value-prof.h (struct histogram_value): Renamed to
6402         struct histogram_value_t.
6403         (histogram_value, histogram_values): New types.
6404         (find_values_to_profile): Declaration changed.
6405         (free_profiled_values): Removed.
6406         (struct profile_hooks): Type of argument of the hooks changed to
6407         histogram_value.
6408         * doc/invoke.texi (-fspeculative-prefetching): Document.
6409
6410 2004-09-01  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
6411
6412         PR rtl-optimization/16408
6413         * gcse.c (replace_store_insn): Fix LIBCALL/RETVAL notes.
6414
6415 2004-09-01  Richard Henderson  <rth@redhat.com>
6416
6417         * config/ns32k/ns32k.h (TRANSFER_FROM_TRAMPOLINE): Remove.
6418         (TRAMPOLINE_TEMPLATE): Merge code from __trampoline inline.
6419
6420 2004-09-01  Jakub Jelinek  <jakub@redhat.com>
6421
6422         * libgcc-std.ver (GCC_3.4.2): Export also __trampoline_setup.
6423
6424 2004-09-01  Mike Stump  <mrs@apple.com>
6425
6426         * config/darwin.c (machopic_symbol_defined_p): In addition to
6427         being SYMBOL_REF_LOCAL_P, a symbol must also be
6428         ! SYMBOL_REF_EXTERNAL_P, as only those are _always_ locally
6429         defined in this output file, or translation unit in the case
6430         of IMA not being used.
6431         (machopic_output_indirection): SYMBOL_REF_LOCAL_P symbols
6432         never need .indirect_symbol when indirecting.
6433
6434 2004-09-01  Jakub Jelinek  <jakub@redhat.com>
6435
6436         * Makefile.in (bb-reorder.o): Add several dependencies.
6437
6438 2004-09-01  Jakub Jelinek  <jakub@redhat.com>
6439
6440         * fold-const.c (operand_equal_p): Require equal sign also for
6441         FIX_{CEIL,TRUNC,FLOOR,ROUND}_EXPR.
6442
6443 2004-09-01  Richard Earnshaw  <rearnsha@arm.com>
6444
6445         * config.gcc (--with-cpu on ARM): Preserve the canonical cpu name
6446         for use in configargs.h.  Put the cname in a separate variable.  Use
6447         that to set target_cpu_default2.
6448
6449 2004-09-01  J"orn Rennecke <joern.rennecke@superh.com>
6450             Nick Clifton  <nickc@redhat.com>
6451
6452         * config/sh/sh.md ("length"): Increase branch length when
6453         SH1 pic code to 18: 12 bytes of instructions, 4 byte for the
6454         constant, 2 byte for aligning the constant.
6455
6456 2004-09-01  Richard Earnshaw  <rearnsha@arm.com>
6457
6458         * arm/arm-cores.def (ARM_CORE): Add new field for the real name of the
6459         CPU.
6460         (arm7tdmi-s): New CPU name.
6461         * arm/arm.c (ARM_CORE): Update for new format.
6462         * arm/arm.h (ARM_CORE): Likewise.
6463         * arm/gentune.sh: Update for extra field.
6464         * config.gcc: Likewise.
6465         * arm/arm-tune.md: Regenerate.
6466         * doc/invoke.texi: Document the real processor names for ARM cpus.
6467
6468 2004-09-01  Richard Earnshaw  <rearnsha@arm.com>
6469
6470         * arm/ieee754-df.S (aeabi_ul2d, aeabi_l2d, floatundidf)
6471         (floatdidf): New functions.
6472         * arm/ieee754-sf.S (aeabi_ul2f, aeabi_l2f, floatundisf)
6473         (floatdisf): New functions.
6474         * t-arm-elf: Use them.
6475
6476 2004-09-01  Ziemowit Laski  <zlaski@apple.com>
6477
6478         * c-common.h (lookup_interface): Remove prototype.
6479         (is_class_name): Rename to objc_is_class_name.
6480         (lookup_objc_ivar): Rename to objc_lookup_ivar.
6481         (get_current_scope): Rename to objc_get_current_scope.
6482         * c-decl.c (get_current_scope): Rename to objc_get_current_scope.
6483         * c-parse.in (parmlist_or_identifiers_1): Get rid of unused variable.
6484         (yylexname): Call objc_is_class_name() instead of is_class_name().
6485         * c-typeck.c (build_external_ref): Call objc_lookup_ivar()
6486         instead of lookup_objc_ivar().
6487         * stub-objc.c (lookup_interface): Remove stub.
6488         (is_class_name): Rename to objc_is_class_name.
6489         (lookup_objc_ivar): Rename to objc_lookup_ivar.
6490
6491 2004-08-31  Mark Mitchell  <mark@codesourcery.com>
6492
6493         * config.gcc (arm*-*-symbianelf*): Do not include t-bpabi.
6494         * config/arm/lib1funcs.asm: Do not include supplemental .S files
6495         when compiling for Symbian.
6496         * config/arm/symbian.h (RENAME_LIBRARY): New macro.
6497         (TARGET_OS_CPP_BUILTINS): Likewise.
6498         * config/arm/t-symbian (LIB1ASMFUNCS): Define.
6499
6500 2004-08-31  Stan Shebs  <shebs@apple.com>
6501
6502         * toplev.c (process_options): Ensure debug_hooks is initialized.
6503
6504 2004-08-31  Mark Mitchell  <mark@codesourcery.com>
6505
6506         * target-def.h (TARGET_CXX): Add TARGET_CXX_EXPORT_CLASS_DATA.
6507         * target.h (cxx): Add export_class_data.
6508         * config/arm/arm.c (arm_cxx_export_class_data): New function.
6509         (TARGET_CXX_EXPORT_CLASS_DATA): Use it.
6510         * doc/tm.texi (TARGET_CXX_EXPORT_CLASS_DATA): Document it.
6511
6512 2004-08-31  Kaz Kojima  <kkojima@gcc.gnu.org>
6513
6514         * config/sh/sh.c (output_branch): Check the insn length possibly
6515         in the delayed slot.
6516
6517 2004-08-31  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
6518
6519         * tree-pretty-print.c (dump_generic_node, case CONVERT_EXPR): Add
6520         blank after ')'.
6521         (op_symbol, case *_{DIV,MOD}_EXPR): Say what rounding is being used.
6522
6523         * c-common.c (c_alignof_expr): Use DECL_ALIGN_UNIT and TYPE_ALIGN_UNIT.
6524         (c_sizeof_of_alignof_type): Likewise.
6525         * expr.c (array_ref_element_size): Likewise.
6526         (highest_pow2_factor_for_target): Likewise.
6527         * gimplify.c (canonicalize_addr_expr): Likewise.
6528         (gimplify_compound_lval): Likewise.
6529         * stor-layout.c (finalize_record_size, finalize_type_size): Likewise.
6530         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Likewise.
6531         * varasm.c (assemble_variable): Likewise.
6532         (output_constant_def_contents): Alignments are unsigned.
6533
6534 2004-08-31  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
6535             Jeff Law  <law@redhat.com>
6536
6537         * tree-cfg.c (cfg_remove_useless_stmts_bb): Also invalidate if VAL
6538         gets modified.
6539
6540 2004-08-31  Mark Mitchell  <mark@codesourcery.com>
6541
6542         * hooks.c (hook_bool_void_true): New function.
6543         * hooks.h (hook_bool_void_true): Declare.
6544         * target-def.h (TARGET_CXX): Add
6545         TARGET_CXX_KEY_METHOD_MAY_BE_INLINE.
6546         * target.h (struct cxx): Add key_method_may_be_inline.
6547         * config/arm/arm.c (arm_cxx_key_method_may_be_inline): New
6548         function.
6549         (TARGET_CXX_KEY_METHOD_MAY_BE_INLINE): New macro.
6550         * config/arm/bpabi.h: Use __THUMB_INTERWORK__ instead of
6551         __THUMB_INTERWORK.
6552
6553 2004-08-31  Denis Chertykov  <denisc@overta.ru>
6554
6555         PR target/15417
6556         * config/avr/avr.c (avr_hard_regno_mode_ok): Enable usage of
6557         frame pointer register only in Pmode while reload in progress.
6558
6559 2004-08-31  Stephane Carrez  <stcarrez@nerim.fr>
6560
6561         PR target/15334
6562         * config/m68hc11/m68hc11.c (m68hc11_override_options): Disable -fweb
6563         because it breaks the 32-bit shift patterns that rely on a match_dup.
6564
6565 2004-08-31  Matt Austern  <austern@apple.com>
6566
6567         * config/darwin.c (darwin_make_decl_one_only): Allocate section
6568         names once per compilation, instead of once per symbol.
6569
6570 2004-08-31  Paolo Bonzini  <bonzini@gnu.org>
6571
6572         * Makefile.in (build_subdir): New substitution.
6573         (fixinc.sh): Simplify heavily since fixincludes is already built.
6574         (stmp-fixinc): Depend on specs.ready.
6575         (install-mkheaders): Use new location of fixincludes.
6576         (clean): Do not descend into fixinc.
6577         (FORBUILD): Replace with ../$(build_subdir).
6578         * configure.ac (build_subdir): Substitute.
6579         (FORBUILD): Do not set.
6580         (all_outputs): Remove fixinc/Makefile.
6581         (default commands): Do not create links in fixinc.
6582         * mkfixinc.sh: New, from fixinc/mkfixinc.sh without
6583         the fixincludes configuration steps and substituting
6584         @FIXINCL@ in fixinc.in.
6585         * fixinc.in: New, from fixinc/fixincl.sh.
6586
6587         * fixinc/*: Removed.
6588
6589 2004-08-31  Joseph S. Myers  <jsm@polyomino.org.uk>
6590
6591         * attribs.c (strip_attrs): Remove.
6592         (split_specs_attrs): Move ...
6593         * c-decl.c: ... to here.
6594         * tree.h (split_specs_attrs, strip_attrs): Remove.
6595         * c-tree.h (split_specs_attrs): Declare.
6596
6597 2004-08-31  Richard Sandiford  <rsandifo@redhat.com>
6598
6599         * read-rtl.c: Disable RTL checking.
6600         (apply_macro_to_rtx): Use XTMPL to access 'T' fields.
6601
6602 2004-08-31  Richard Sandiford  <rsandifo@redhat.com>
6603
6604         * config/mips/mips.md (fcond): New code macro and attribute.
6605         (sunordered_[sd]f, suneq_[sd]f, sunlt_[sd]f, sunle_[sd]f)
6606         (seq_[sd]f, slt_[sd]f, sle_[sd]f): Redefine using :SCALARF and fcond.
6607         (sgt_[sd]f, sge_[sd]f): Redefine using :SCALARF.
6608
6609 2004-08-30  Mark Mitchell  <mark@codesourcery.com>
6610
6611         Revert:
6612         2004-08-29  Mark Mitchell  <mark@codesourcery.com>
6613         PR rtl-optimization/16590
6614         * gcse.c (pre_delete): Do not create invalid REG_EQUAL notes.
6615
6616 2004-08-30  Andrew Pinski  <apinski@apple.com>
6617
6618         * hard-reg-set.h:
6619         s/HOST_BITS_PER_WIDES_FAST_INT/HOST_BITS_PER_WIDEST_FAST_INT.
6620         * ChangeLog: Fix previous ChangeLog entry.
6621
6622         PR rtl-opt/13987
6623         * config.host (use_long_long_for_widest_fast_int): New, default is
6624         off.
6625         (ia64-*-hpux*): Enable use_long_long_for_widest_fast_int.
6626         * configure.ac: If use_long_long_for_widest_fast_int, then
6627         define USE_LONG_LONG_FOR_WIDEST_FAST_INT.
6628         * configure: Regenerate.
6629         * config.in: Regenerate.
6630         * hwint.h (HOST_WIDEST_FAST_INT, HOST_BITS_PER_WIDEST_FAST_INT):
6631         New: widest integer type supported efficiently in hardware for the
6632         host.
6633         * sbitmap.h (SBITMAP_ELT_BITS): Define based on
6634         HOST_BITS_PER_WIDEST_FAST_INT.
6635         (SBITMAP_ELT_TYPE): Define based on HOST_WIDEST_FAST_INT.
6636         * hard-reg-set.h (HARD_REG_ELT_TYPE): Define based on
6637         HOST_WIDEST_FAST_INT
6638         instead of HOST_WIDE_INT.
6639         (HARD_REG_SET_LONGS): Likewise.
6640         (UHOST_BITS_PER_WIDE_INT): Likewise.
6641         Change the checks for the fast cases to be based on
6642         HOST_BITS_PER_WIDEST_FAST_INT instead of HOST_BITS_PER_WIDE_INT.
6643
6644 2004-08-30  Steven Bosscher  <stevenb@suse.de>
6645
6646         * cfgcleanup.c (merge_memattrs): Look at the value of MEM_SIZE,
6647         not the pointers.
6648
6649 2004-08-30  Geoffrey Keating  <geoffk@apple.com>
6650
6651         PR 12738
6652         PR 17205
6653         Radar 3460526
6654         Radar 3775729
6655         * c-decl.c (grokdeclarator): Produce error for 'static' on local
6656         function declaration.
6657
6658 2004-08-30  Richard Henderson  <rth@redhat.com>
6659
6660         * expr.c (array_ref_element_size): Force aligned_size back to
6661         sizetype.
6662         (component_ref_field_offset): Similarly for aligned_offset.
6663         * tree.c (recompute_tree_invarant_for_addr_expr): Mark raw
6664         low-bound, element-size, field-offset fields rather than
6665         computed values.
6666
6667 2004-08-30  Joseph S. Myers  <jsm@polyomino.org.uk>
6668
6669         * c-parse.in (parmlist_or_identifiers_1): Remove unreachable and
6670         redundant code.
6671
6672 2004-08-30  Joseph S. Myers  <jsm@polyomino.org.uk>
6673
6674         * c-tree.h (struct language_function): Add arg_info element.
6675         * c-decl.c (current_function_arg_info): New.
6676         (grokdeclarator, store_parm_decls): Use it instead of
6677         DECL_ARGUMENTS.
6678         (c_push_function_context, c_pop_function_context): Save and
6679         restore it.
6680
6681 2004-08-30  Richard Henderson  <rth@redhat.com>
6682
6683         * c-typeck.c (build_unary_op): Don't expand ADDR_EXPR of a
6684         COMPONENT_REF to pointer arithmetic.
6685         * varasm.c (initializer_constant_valid_p): Allow "&(*c).f", for
6686         constant "c" as a valid constant initializer.  Allow narrowing of
6687         differences against the same base object, for any base object.
6688
6689 2004-08-30  Richard Henderson  <rth@redhat.com>
6690
6691         * expr.c (expand_expr_addr_expr): New.
6692         (expand_expr_real_1) <case ADDR_EXPR>: Use it.
6693
6694 2004-08-30  Richard Sandiford  <rsandifo@redhat.com>
6695
6696         * config/mips/mips.c (MIPS_FP_CONDITIONS): New macro.
6697         (mips_fp_condition): New enum.
6698         (mips_fp_conditions): New array.
6699         (print_fcc_operand): Delete.
6700         (print_operand): Remove %V, %v and %Q.  Redefine %Z so that it prints
6701         the operand and comma if and only if ISA_HAS_8CC.  Add %Y.
6702         (builtin_description): Add "cond" field.
6703         (DIRECT_BUILTIN): Initialize it.
6704         (CMP_{SCALAR,PS,4S}_BUILTINS, MOVTF_BUILTINS): Split INSN parameter
6705         into INSN and CODE.  Initialize the "cond" field.
6706         (CMP_BUILTINS): Update accordingly.
6707         (mips_bdesc): Use MIPS_FP_CONDITIONS to invoke CMP_BUILTINS.
6708         (mips_expand_builtin_movtf, mips_expand_builtin_compare): Take the
6709         mips_fp_condition as argument.  Make it the final operand of the
6710         comparison instruction.
6711         (mips_expand_builtin): Update accordingly.
6712         * config/mips/mips.md (UNSPEC_C_*, UNSPEC_CABS_*): Delete.
6713         (UNSPEC_C, UNSPEC_CABS): New constants.  Shuffle others to fill
6714         the gaps.
6715         * config/mips/mips-ps-3d.md (mips_cond_move_tf_ps, bc1any[24][ft]):
6716         Don't use the 'Q' operand prefix; just print the operand normally.
6717         (mips_cabs_*, mips_c_*): Delete, replacing with...
6718         (mips_c_cond_{ps,4s}, mips_cabs_cond_{s,d,ps,4s}): ...these new
6719         patterns.  Split the 4s versions into 2 ps patterns after reload.
6720
6721 2004-08-30  Richard Henderson  <rth@redhat.com>
6722
6723         * fold-const.c (tree_expr_nonzero_p): Use get_base_address before
6724         assuming an ADDR_EXPR is non-null.
6725
6726 2004-08-30  Jason Merrill  <jason@redhat.com>
6727
6728         * gthr-posix.h, gthr-dce.h: Add #pragma weaks.
6729
6730 2004-08-30  Nathan Sidwell  <nathan@codesourcery.com>
6731
6732         * alias.c (mems_in_disjoint_alias_sets_p, record_alias_subset,
6733         record_set, rtx_equal_for_memref_p, init_alias_analysis): Use
6734         gcc_assert and gcc_unreachable instead of abort.
6735         * alloc-pool.c (abort, fancy_abort): Remove.
6736         (create_alloc_pool, free_alloc_pool, pool_alloc, pool_free): Use
6737         gcc_assert or gcc_unreachable.
6738         * attribs.c (init_attributes, decl_attributes): Likewise.
6739         * bb-reorder.c (FREE, find_traces_1_round, copy_bb,
6740         mark_bb_for_unlikely_executed_section,
6741         add_labels_and_missing_jumps, fix_crossing_conditional_branches,
6742         fix_crossing_unconditional_branches):  Likewise.
6743         * bitmap.c (bitmap_first_set_bit, bitmap_last_set_bit,
6744         bitmap_operation):  Likewise.
6745         * bt-load.c (insn_sets_btr_p, augment_live_range,
6746         move_btr_def):  Likewise.
6747         * builtins.c (c_readstr, expand_builtin_longjmp, apply_args_size,
6748         apply_result_size, expand_builtin_apply, expand_builtin_mathfn,
6749         expand_builtin_mathfn_2, expand_builtin_mathfn_3,
6750         builtin_memcpy_read_str, expand_movstr, expand_builtin_stpcpy,
6751         expand_builtin_memcmp, expand_builtin_args_info,
6752         std_gimplify_va_arg_expr, expand_builtin_unop,
6753         expand_builtin_fputs, expand_builtin_profile_func,
6754         expand_builtin_fork_or_exec, fold_builtin_bitop,
6755         fold_builtin_classify, fold_builtin_fputs): Likewise.
6756
6757 2004-08-30  Nathan Sidwell  <nathan@codesourcery.com>
6758
6759         * gcov-io.c (GCOV_CHECK): Use gcc_assert when available.
6760         * gcov.c (abort): Remove undef.
6761
6762         * tree.h (BINFO_PRIMARY_BASE_OF): Remove.
6763         (struct tree_binfo): Remove primary field.
6764
6765 2004-08-30  Paolo Bonzini  <bonzini@gnu.org>
6766
6767         * fixinc/Makefile.in (machname.h): Remove.
6768         (fixincl.x): Do not pass $@ to genfixes.
6769         * fixinc/genfixes: Remove code to produce machname.h.
6770         * fixinc/fixincl.sh: Move it here instead.
6771         * fixinc/fixlib.c: Do not conditionalize on MN_NAME_PAT's presence,
6772         instead check if pz_mn_name_pat is NULL.  Make mn_get_regexps
6773         return a bool indicating whether pz_mn_name_pat is NULL.
6774         * fixinc/fixlib.h: Do not conditionalize on MN_NAME_PAT's presence.
6775         Declare extern C variables for the ENV_TABLE.
6776         * fixinc/fixfixes.c: Do not conditionalize on MN_NAME_PAT's presence,
6777         instead use the result of mn_get_regexps.
6778         * fixinc/fixtests.c: Likewise.
6779
6780 2004-08-30  Paolo Bonzini  <bonzini@gnu.org>
6781
6782         * configure.ac: Do not run fixincludes after stage1 during
6783         toplevel bootstrap.
6784         * configure: Regenerate.
6785
6786 2004-08-30  Richard Earnshaw  <rearnsha@arm.com>
6787
6788         * sched-deps.c (get_condition): Partially revert previous, by never
6789         trying to extract the condition from a condjump.
6790
6791 2004-08-30  Nathan Sidwell  <nathan@codesourcery.com>
6792
6793         * c-common.c (c_sizeof_or_alignof_type): Use gcc_assert.
6794         (handle_visibility_attribute, c_determine_visibility): Likewise.
6795         * c-common.h (my_friendly_assert): Remove.
6796
6797 2004-08-30  Richard Sandiford  <rsandifo@redhat.com>
6798
6799         * config/mips/mips.md (UNSPEC_{RSQRT,RECIP}[12]_{S,D,PS}): Delete.
6800         (UNSPEC_{RSQRT,RECIP}[12]): New constants.
6801         (UNSPEC_MOVE_TF_PS): Renumber to avoid gaps.
6802         * config/mips/mips-ps-3d.md (*movcc_v2sf_[sd]i): Use :GPR.
6803         (mips_{rsqrt,recip}[12]_{s,d,ps}): Use :ANYF.
6804
6805 2004-08-30  Diego Novillo  <dnovillo@redhat.com>
6806
6807         * tree-pretty-print.c (dump_generic_node): Handle VALUE_HANDLE
6808         in COMPONENT_REF nodes.
6809
6810 2004-08-29  Gabriel Dos Reis  <gdr@integrable-solutions.net>
6811
6812         PR c++/15378
6813         * c-opts.c (c_common_handle_option): <case OPT_Werror> set
6814         global_dc->warning_as_error_requested.
6815         * diagnostic.c (diagnostic_initialize): Tidy.
6816         * diagnostic.h (diagnostic_context::x_data): Remove
6817         (diagnostic_context::issue_warnings_are_errors_message): Rename
6818         from warnings_are_errors_message.
6819         (diagnostic_context::warning_as_error_requested): New.
6820
6821 2004-08-30  Richard Earnshaw  <rearnsha@arm.com>
6822
6823         * sched-deps.c (get_condition): Fix breakage in previous patch.
6824
6825 2004-08-30  Paul Brook  <paul@codesourcery.com>
6826
6827         * doc/install.texi: Fix broken mpfr link.
6828
6829 2004-08-29  David O'Brien  <obrien@FreeBSD.org>
6830
6831         * config/rs6000/sysv4.h (LINK_OS_FREEBSD_SPEC): Sync '-p' handling with
6832         other FreeBSD platforms.
6833
6834 2004-08-29  Richard Earnshaw  <rearnsha@arm.com>
6835
6836         * arm.h (REVERSE_CONDITION): Define.
6837         (REVERSIBLE_CC_MODE): All comparisons are now reversible.
6838
6839 2004-08-29  Richard Earnshaw  <rearnsha@arm.com>
6840
6841         * flow.c (REVERSE_CONDEXEC_PREDICATES_P): Use the whole comparison, not
6842         just the codes, call reversed_comparison_code ().
6843         (ior_reg_cond): Update arguments to REVERSE_CONDEXEC_PREDICATES_P.
6844         (not_reg_cond): Use reversed_comparison_code.
6845         (and_reg_cond): Likewise.
6846         * ifcvt.c (cond_exec_process_if_block): Likewise.
6847         * doc/tm.texi (REVERSE_CONDEXEC_PREDICATES_P): Update documentation.
6848
6849 2004-08-29  Richard Earnshaw  <rearnsha@arm.com>
6850
6851         * sched-deps.c (get_condition): Rewrite using jump support functions.
6852         Use reversed_comparison_code.
6853         (conditions_mutex_p): Use reversed_comparison_code.
6854
6855 2004-08-29  Richard Sandiford  <rsandifo@redhat.com>
6856
6857         * config/mips/mips.c (override_options): Disable hot/cold partitioning
6858         for MIPS16.
6859
6860 2004-08-29  Richard Sandiford  <rsandifo@redhat.com>
6861
6862         * config/mips/mips.h (mips_builtins, mips_cmp_choice): Delete.
6863         (mips_function_type): Move to mips.c.
6864         * config/mips/mips.c (mips_builtin_type): New enum.
6865         (builtin_description): Replace code and ftype with builtin_type
6866         and function_type.
6867         (DIRECT_BUILTIN, CMP_SCALAR_BUILTINS, CMP_PS_BUILTINS, CMP_4S_BUILTINS)
6868         (MOVTF_BUILTINS, CMP_BUILTINS): New macros.
6869         (CODE_FOR_mips_abs_ps): Define.
6870         (mips_bdesc): Use new macros.
6871         (mips_expand_builtin): Use builtin_type.  Update calls to subroutines.
6872         (mips_init_builtins): Use the mips_bdesc[] index as the function code.
6873         (mips_expand_builtin_direct): New function.
6874         (mips_expand_builtin_movtf): Renamed from mips_expand_ps_cond_move_
6875         builtin.  Replace boolean parameter with builtin_type.
6876         (mips_expand_compare_builtin, mips_expand_scalar_compare_builtin)
6877         (mips_expand_4s_compare_builtin): Delete, replacing with...
6878         (mips_expand_builtin_compare): ...this new function.
6879
6880 2004-08-29  Mark Mitchell  <mark@codesourcery.com>
6881
6882         PR rtl-optimization/16590
6883         * gcse.c (pre_delete): Do not create invalid REG_EQUAL notes.
6884
6885 2004-08-29  Diego Novillo  <dnovillo@redhat.com>
6886
6887         * tree-ssa-ccp.c (ccp_visit_stmt): Remove #if 0 guards.
6888         * tree-ssa-propagate.c: Fix documentation.
6889
6890 2004-08-29  Richard Sandiford  <rsandifo@redhat.com>
6891
6892         * config/mips/mips.md (*mov[sd]f_on_*): Redefine using :SCALARF.
6893         (mov[sd]fcc): Likewise.
6894
6895 2004-08-29  Richard Sandiford  <rsandifo@redhat.com>
6896
6897         * config/mips/mips.md (cmp[sd]f): Redefine using :SCALARF.
6898
6899 2004-08-29  Richard Sandiford  <rsandifo@redhat.com>
6900
6901         * config/mips/mips.md (divide_condition): New mode attribute.
6902         (div[sd]f3, *div[sd]f3): Use it.  Redefine using :SCALARF.
6903         (sqrt[sd]f3): Redefine using SCALARF.
6904         (*recip[sd]f3, *rsqrt<mode>[ab]): Likewise.  Name formerly unnamed
6905         patterns.
6906
6907 2004-08-29  Richard Sandiford  <rsandifo@redhat.com>
6908
6909         * config/mips/mips.md (ANYF, SCALARF): New mode macros.
6910         (loadx, storex, fmt, UNITMODE): New mode attributes.
6911         (add{sf,df,v2sf}3, sub{sf,df,v2sf}3): Redefine using :ANYF.
6912         (mul[sd]f3): Redefine using :SCALARF.
6913         (*mul[sd]f3): Renamed from mul[sd]f3_internal.  Use :SCALARF.
6914         (*mul[sd]3_r4300): Likewise mul[sd]f3_r4300.
6915         (*m{add,sub}{sf,df,v2sf}3): Name formerly unnamed patterns.  Use :ANYF.
6916         Check TARGET_FUSED_MADD for V2SF too.
6917         (*nm{add,sub}{sf,df,v2sf}3{,_fastmath}): Likewise, except v2sf patterns
6918         were already named.
6919         (abs{sf,df,v2sf}3, neg{sf,df,v2sf}3): Redefine using :ANYF.
6920         (*[sl][wd]xc1_[sd]i): Redefine using :ANYF.
6921
6922 2004-08-29  Richard Sandiford  <rsandifo@redhat.com>
6923
6924         * config/mips/mips.c (mips_init_builtins): Simplify.  Only create
6925         V2SF_type_node if it will be needed.
6926
6927 2004-08-29  Richard Sandiford  <rsandifo@redhat.com>
6928
6929         * config/mips/mips.h (MIPS_CMP_MOVT, MIPS_CMP_MOVF): Delete.
6930         * config/mips/mips.c (mips_prepare_builtin_arg): New function.
6931         (mips_prepare_builtin_target): New function.
6932         (mips_expand_builtin): Use them.  Update calls to subroutines.
6933         (mips_expand_ps_cond_move_builtin): Use the new functions.  Replace
6934         cmp_choice with a boolean argument to select between movt and movf.
6935         Take the comparison's icode as an argument, not the function's fcode.
6936         (mips_expand_compare_builtin): New function.  Rename existing function
6937         to mips_expand_scalar_compare_builtin.
6938         (mips_expand_scalar_compare_builtin, mips_expand_4s_compare_builtin)
6939         (mips_expand_ps_compare_builtin): Use the new functions.  Take the
6940         comparison's icode as an argument, not the builtin's fcode.
6941
6942 2004-08-29  Richard Sandiford  <rsandifo@redhat.com>
6943
6944         * config/mips/mips.c (print_operand): Remove '%Y' and '%y'.
6945         (mips_expand_4s_compare_builtin): Redefine CCV4 to be 0 if all
6946         registers are false and -1 if all registers are true.
6947         (mips_expand_ps_compare_builtin): Likewise CCV2.  Use subregs for
6948         MIPS_CMP_UPPER and MIPS_CMP_LOWER.
6949         * config/mips/mips.md (mips_cond_move_tf_ps): Use %Q rather than %y.
6950         (bc1any4t, bc1any4f): Adjust for new CCV4 interpretation.
6951         (bc1any2t, bc1any2f): Likewise CCV2.
6952         (bc1upper2t, bc1lower2t, bc1upper2f, bc1lower2f): Delete.
6953
6954 2004-08-29  Richard Sandiford  <rsandifo@redhat.com>
6955
6956         * config/mips/mips.md (UNSPEC_MOVE_TF_PS): New.
6957         * config/mips/mips-ps-3d.md (mips_cond_move_tf_ps): Express as an
6958         UNSPEC rather than an IF_THEN_ELSE.
6959         * config/mips/mips.c (mips_expand_ps_cond_move_builtin): Emit
6960         mips_cond_move_tf_ps by name.
6961
6962 2004-08-29  Chao-ying Fu  <fu@mips.com>
6963             James E Wilson  <wilson@specifixinc.com>
6964
6965         * config/mips/mips-modes.def (V2SF, CCV2, CCV4): New modes. Give CCV2
6966         8 byte size and alignment.  Give CCV4 16 byte size and alignment.
6967         * config/mips/mips-ps-3d.md: New file.
6968         * config/mips/mips.c (TARGET_VECTOR_MODE_SUPPORTED_P,
6969         TARGET_INIT_BUILTINS, TARGET_EXPAND_BUILTIN): Define.
6970         (mips_const_insns): Handle CONST_VECTOR the same as CONST_DOUBLE.
6971         (mips_output_move): Emit "mov.ps" for V2SFmode.
6972         (mips_arg_info): Add checks for VECTOR_FLOAT_TYPE_P and
6973         MODE_VECTOR_FLOAT.
6974         (override_options): Check if TARGET_MIPS3D and there was an explicit
6975         !TARGET_PAIRED_SINGLE_FLOAT.  Set MASK_PAIRED_SINGLE, if TARGET_MIPS3D.
6976         Check if TARGET_FLOAT64 and TARGET_HARD_FLOAT are both true, when
6977         TARGET_PAIRED_SINGLE_FLOAT is true.  Check if the ISA supports
6978         TARGET_PAIRED_SINGLE_FLOAT.  Allow MODE_VECTOR_FLOAT in fp registers,
6979         and allow CCV2 and CCV4 to occupy two and four CC registers.
6980         (print_fcc_operand): New function.
6981         (print_operand): Add %Y, %y, %V, %v, %Q for CCV2, CCV4, CC.  Modify
6982         %Z to call print_fcc_operand.
6983         (mips_function_value): Handle MODE_VECTOR_FLOAT.
6984         (mips_class_max_nregs): Check for ST_REGS, and handle CCmodes.
6985         (mips_vector_mode_supported_p): New function.
6986         (mips_hard_regno_nregs): Check for ST_REG_P, and handle CCmodes.
6987         (builtin_description): New struct.
6988         (mips_bdesc): New array of struct builtin_description.
6989         (mips_expand_builtin, mips_init_builtins,
6990         mips_expand_ps_cond_move_builtin, mips_expand_4s_compare_builtin,
6991         mips_expand_compare_builtin, mips_expand_ps_compare_builtin): New
6992         functions.
6993         * config/mips/mips.h (MASK_PAIRED_SINGLE, MASK_MIPS3D): New defines.
6994         (TARGET_PAIRED_SINGLE_FLOAT, TARGET_MIPS3D): New defines.
6995         (TARGET_CPU_CPP_BUILTINS): Add __mips_paired_single_float.
6996         (TARGET_SWITCHES): Added "-mpaired-single", "-mno-paired-single",
6997         "-mips3d", and "-mno-mips3d".
6998         (ASM_SPEC): Map -mips3d to -mips3d in gas.
6999         (EXTRA_CONSTRAINT_Y): New macro.
7000         (EXTRA_CONSTRAINT_STR): Renamed from EXTRA_CONSTRAINT.  Add new
7001         multi-letter constraint 'Y'.
7002         (CONSTRAINT_LEN): New macro.
7003         (enum mips_builtins): New for MIPS builtin functions.
7004         (enum mips_function_type): New for the types of MIPS builtin functions.
7005         (enum mips_cmp_choice): New for the MIPS comparison builtin functions.
7006         * config/mips/mips.md: New constants for paired single and MIPS-3D
7007         instructions.  Include the new mips-ps-3d.md file.
7008         (addv2sf3, subv2sf3, mulv2sf3, absv2sf2, negv2sf2, movv2sf,
7009         movv2sf_hardfloat_64bit): New named patterns.
7010         (madd.ps, msub.ps, nmaddv2sf, nmaddv2sf_fastmath, nmsubv2sf,
7011         nmsubv2sf_fastmath, ldxc1_v2sf_si, ldxc1_v2sf_di, sdxc1_v2sf_si,
7012         sdxc1_v2sf_di): New unnamed patterns.
7013         * config/mips/predicates.md (const_0_operand, const_1_operand): Add
7014         const_vector support.
7015         (const_0_or_1_operand): New predicate.
7016         * doc/invoke.texi (MIPS Options): Add -mpaired-single and -mips3d.
7017
7018 2004-08-29  Diego Novillo  <dnovillo@redhat.com>
7019
7020         * Makefile.in (OBJS-common): Add tree-ssa-propagate.o
7021         (tree-ssa-propagate.o): New rule.
7022         (GTFILES): Add tree-ssa-propagate.c.
7023         * tree-flow.h (struct stmt_ann_d): Remove field
7024         in_ccp_worklist.
7025         * tree-ssa-propagate.c: New file.
7026         * tree-ssa-propagate.h: New file.
7027         * tree-ssa-ccp.c: Re-write to use the routines from
7028         tree-ssa-propagate.c.
7029
7030 2004-08-28  Andrew Pinski  <apinski@apple.com>
7031
7032         * tree-ssa-loop.c: Remove extra include of basic-block.h.
7033
7034 2004-08-28  Ziemowit Laski  <zlaski@apple.com>
7035
7036         * c-common.h: Update comments about ObjC/ObjC++ entry points.
7037         (objc_is_reserved_word): New prototype.
7038         (get_current_scope, objc_mark_locals_volatile): Move prototypes to
7039         separate section; these are call-backs.
7040         * c-lex.c (c_lex_with_flags): Call objc_is_reserved_word() to detect
7041         ObjC/ObjC++ "@" keywords.
7042         * c-tree.h (get_current_scope, objc_mark_locals_volatile): Remove
7043         prototypes; they already live in c-common.h.
7044         * stub-objc.c: Update copyright notice.
7045         (objc_is_reserved_word): New stub.
7046
7047 2004-08-28  Nathan Sidwell  <nathan@codesourcery.com>
7048
7049         * system.h (gcc_assert): Remove __builtin_expect.  Evaluate EXPR
7050         even when not checking.
7051
7052 2004-08-27  Jason Merrill  <jason@redhat.com>
7053
7054         PR c++/13684
7055         * gimplify.c (gimplify_cleanup_point_expr): Handle CLEANUP_EH_ONLY.
7056         (gimple_push_cleanup): Add eh_only parm.
7057         (gimplify_target_expr): Pass it.
7058         * c.opt (-fno-threadsafe-statics): New option.
7059         * c-opts.c (c_common_handle_option): Handle it.
7060         * c-common.h (flag_threadsafe_statics): Declare it.
7061         * c-common.c (flag_threadsafe_statics): Record it.
7062         * doc/invoke.texi: Document it.
7063         * tsystem.h (_GNU_SOURCE): Define.
7064         * gthr-posix.h (__gthread_recursive_mutex_t): New typedef.
7065         (__GTHREAD_RECURSIVE_MUTEX_INIT): New macro.
7066         (__GTHREAD_RECURSIVE_MUTEX_INIT_FUNCTION): New macro.
7067         (__gthread_recursive_mutex_init_function): New fn.
7068         (__gthread_recursive_mutex_lock): New fn.
7069         (__gthread_recursive_mutex_trylock): New fn.
7070         (__gthread_recursive_mutex_unlock): New fn.
7071         * gthr-solaris.h, gthr-single.h, gthr-dce.h: Likewise.
7072         * gthr-win32.h, gthr-vxworks.h: Likewise.
7073         * gthr.h: Document.
7074
7075 2004-08-27  David Edelsohn  <edelsohn@gnu.org>
7076
7077         * config/rs6000/rs6000.c (rs6000_override_options): Increase
7078         maximum skip to 15.  Set function alignment, jump alignment, and
7079         loop alignment to 16 for processors that form dispatch groups.
7080         (rs6000_rtx_costs): outer_code is used.
7081
7082 2004-08-27  Nathan Sidwell  <nathan@codesourcery.com>
7083
7084         * stor-layout.c (sizetype_set): Remove.
7085         (set_sizetype): Don't test or set it.
7086
7087         * tree.h (size_int_type): Remove.
7088         * fold-const.c: Do not #include gt-fold-const.h.
7089         (size_htab_hash, size_htab_eq): Remove.
7090         (size_int_kind): Use build_int_cst.
7091         (new_const, size_htab): Remove.
7092         (size_int_type): Remove.
7093         (round_up): Use build_int_cst.
7094         (round_down): Likewise. Remove spurious constant build.
7095
7096 2004-08-27  Nathan Sidwell  <nathan@codesourcery.com>
7097
7098         * configure.ac: Add ENABLE_ASSERT_CHECKING control.
7099         Add is_release variable, use it for --enable-werror and
7100         --enable-checking defaults.
7101         * system.h (gcc_assert, gcc_unreachable): New.
7102         * doc/install.texi (--enable-checking): Update.
7103         * configure, config.in: Rebuilt.
7104
7105 2004-08-26  Richard Sandiford  <rsandifo@redhat.com>
7106
7107         * rtl.h (read_rtx): Change prototype.
7108         * read-rtl.c (read_rtx): Provide the caller with both an rtx and a
7109         line number.  Return true on success.
7110         * gensupport.c (process_include, init_md_reader_args_cb): Adjust
7111         callers accordingly.
7112
7113 2004-08-26  Richard Henderson  <rth@redhat.com>
7114
7115         * c-typeck.c (build_offsetof): Remove.
7116         * c-tree.h (build_offsetof): Remove.
7117         * c-common.c (fold_offsetof_1, fold_offsetof): New.
7118         * c-common.h (fold_offsetof): Declare.
7119         * c-parse.in (offsetof_base): New.
7120         (offsetof_member_designator): Use it.  Build references, not just
7121         a tree list.
7122         (primary): Use fold_offsetof, not build_offsetof.
7123
7124 2004-08-26  Richard Henderson  <rth@redhat.com>
7125
7126         * tree.c (staticp): Return the static object.
7127         * tree.h (staticp): Update decl.
7128         * langhooks.h (struct lang_hooks): Change staticp return type to tree.
7129         * langhooks.c (lhd_staticp): Return NULL_TREE.
7130         * langhooks-def.h (lhd_staticp): Update decl.
7131         * c-common.c (c_staticp): Return the static object.
7132         * c-common.h (c_staticp): Update decl.
7133
7134 2004-08-26  Richard Henderson  <rth@redhat.com>
7135
7136         * config/alpha/alpha.h (HARD_REGNO_MODE_OK): Allow complex float
7137         modes.
7138
7139 2004-08-26  Joseph S. Myers  <jsm@polyomino.org.uk>
7140
7141         PR c/13801
7142         * c-decl.c (struct c_binding): Add type and inner_comp fields.
7143         (bind): Set type and inner_comp fields.
7144         (pop_scope): Restore type of decl to the correct type from an
7145         outer scope.  Give error when popping file scope for incomplete
7146         arrays completed incompatibly with default initialization in an
7147         inner scope.
7148         (diagnose_mismatched_decls): Handle externs with initializers at
7149         block scope.
7150         (pushdecl): Set type of external declaration at block scope based
7151         only on the visible declarations.  Save type when changing the
7152         type of a declaration.  Merge an external declaration at block
7153         scope with a visible static declaration at file scope.
7154         (implicitly_declare): Give recycled old declaration the new type
7155         except for incompatible declarations of built-in functions, saving
7156         the old type.
7157
7158 2004-08-26  Ziemowit Laski  <zlaski@apple.com>
7159
7160         * c-parse.in (OBJC_TYPE_QUAL): New %token for ObjC use.
7161
7162 2004-08-26  Daniel Berlin  <dberlin@dberlin.org>
7163
7164         * tree-alias-common.c (gate_pta): New function.
7165         (pass_build_pta): Use it.
7166         (pass_del_pta): Use it.
7167         (delete_alias_vars): Don't check flag_tree_points_to.
7168
7169 2004-08-26  Fariborz Jahanian  <fjahanian@apple.com>
7170
7171         * config/rs6000/rs6000.h (HARD_REGNO_CALL_PART_CLOBBERED): Added
7172         TFmode as additional register mode cloberred by call.
7173
7174 2004-08-26  Fariborz Jahanian  <fjahanian@apple.com>
7175
7176         * config/rs6000/rs6000.c (rs6000_libcall_value): Generate
7177         parallel pattern for library call returning DImode in
7178         mixed mode.
7179
7180 2004-08-26  Fariborz Jahanian  <fjahanian@apple.com>
7181
7182         * config/rs6000/rs6000.c (function_arg): Generate parallel
7183         pattern for more split args.
7184
7185 2004-08-26  Fariborz Jahanian  <fjahanian@apple.com>
7186
7187         * config/rs6000/rs6000.c (rs6000_split_multireg_move): Call
7188         either gen_movdi_di_update or gen_movdi_si_update depending on
7189         target mode.
7190         * config/rs6000/rs6000.md (movdi_update): Changed to movdi_<mode>_update,
7191         to generate two versions.
7192
7193 2004-08-26  Daniel Berlin  <dberlin@dberlin.org>
7194
7195         * Makefile.in (lambda-code.o): New.
7196         (lambda-trans.o): Ditto.
7197         (TREE_DATA_REF_H): Ditto.
7198         (LAMBDA_H): Ditto.
7199         (lambda-mat.o): Use LAMBDA_H.
7200         (tree-data-ref.o): Ditto.
7201         * lambda-code.c: New file.  Lambda code generation algorithm.
7202         * lambda-trans.c: Ditto. Lambda transformation matrix support.
7203         * lambda.h: Add lambda loop structures.
7204         Add lambda loopnest structures.
7205         Add lambda body vector structure.
7206         Add lambda linear expression structures.
7207         Add prototypes for functions in new files.
7208         * lambda-mat.c: Include tree.h
7209
7210 2004-08-26  Daniel Berlin <dberlin@dberlin.org>
7211             Sebastian Pop  <pop@cri.ensmp.fr>
7212
7213         * tree-data-ref.h: Include lambda.h
7214         (free_dependence_relation): Declared here.
7215         (free_dependence_relations): Ditto.
7216         (free_data_refs): Ditto.
7217         * tree-data-ref.c (free_dependence_relation): New function.
7218         (free_dependence_relations): Ditto.
7219         (free_data_refs): Ditot.
7220         (analyze_all_data_dependences): Free datarefs and dependence_relations.
7221         (build_classic_dist_vector): Store in the dependence_relations the
7222         information. Each arc in the dependence_relations graph is labelled
7223         with the distance and direction vectors.
7224         (build_classic_dir_vector): Ditto.
7225         (compute_rw_wr_ww_dependences): Renamed again compute_all_dependences.
7226         Now computes again the whole dependence graph including read-read
7227         relations.
7228         (compute_data_dependences_for_loop): Now dependence_relations contains
7229         all the data, and thus it doesn't need to initialize the classic_dir
7230         and classic_dist vectors.
7231         (analyze_all_data_dependences): Adjusted for using the new interface of
7232         compute_data_dependences_for_loop.  Remove the statistics dump.
7233
7234 2004-08-26  Bob Wilson  <bob.wilson@acm.org>
7235
7236         * config/xtensa/xtensa.c (xtensa_ld_opcodes, xtensa_st_opcodes): Delete.
7237         (xtensa_expand_block_move): Update comment.
7238         (override_options): Remove initialization of xtensa_{ld,st}_opcodes.
7239
7240 2004-08026  Richard Earnshaw  <rearnsha@arm.com>
7241
7242         PR target/13506
7243         * toplev.c (crash_signal): If we crashed while emitting
7244         a user asm, then die more gracefully.
7245
7246 2004-08-26  Kazuhiro Inaoka  <inaoka.kazuhiro@renesas.com>
7247
7248         PR target/17119.
7249         * config/m32r.c (gen_compare): Use reg_or_int16_operand when
7250         checking for a valid constant, regardless of sign.
7251
7252 2004-08-25  Richard Henderson  <rth@redhat.com>
7253
7254         PR target/16974
7255         * config/alpha/alpha.md (adddi_fp_hack): Don't rely on splitting
7256         if the constant satisfies add_operand.
7257
7258 2004-08-25  Richard Henderson  <rth@redhat.com>
7259
7260         PR debug/10695
7261         * config/alpha/alpha.c (emit_frame_store_1, emit_frame_store): New.
7262         (alpha_expand_prologue): Handle >32-bit frames.  Generate proper
7263         unwind info for >16-bit frames.
7264
7265 2004-08-25  Richard B. Kreckel  <richard.kreckel@framatome-anp.com>
7266
7267         PR target/17171
7268         * config/i386/gas.h (ASM_COMMENT_START): Define to "#".
7269
7270 2004-08-25  Richard Henderson  <rth@redhat.com>
7271
7272         * config/alpha/alpha.c (alpha_cannot_force_const_mem): New.
7273         (TARGET_CANNOT_FORCE_CONST_MEM): New.
7274
7275 2004-08-25  Andrew MacLeod  <amacleod@redhat.com>
7276
7277         * doc/tree-ssa.texi: Document new operand iterator.
7278
7279 2004-08-26  Alan Modra  <amodra@bigpond.net.au>
7280
7281         PR target/16480
7282         * config/rs6000/rs6000.c (rs6000_split_multireg_move): Don't abort
7283         on "(mem (symbol_ref ..))" rtl.  Look at LO_SUM base regs as well
7284         as PLUS base regs.
7285
7286 2005-08-28  Paul Brook  <paul@codesourcery.com>
7287
7288         * config/arm/symbian.h (SUBTARGET_ASM_FLOAT_SPEC): Default to
7289         -mfpu=vfp -march=armv5t
7290         * config/arm/t-symbian: Change multilib to mfloat-abi=softfp.
7291
7292 2004-08-25  Richard Henderson  <rth@redhat.com>
7293
7294         * target-def.h (TARGET_SCALAR_MODE_SUPPORTED_P): New.
7295         * target.h (struct gcc_target): Add scalar_mode_supported_p.
7296         * targhooks.c (default_scalar_mode_supported_p): New.
7297         * targhooks.h (default_scalar_mode_supported_p): Declare.
7298         * doc/tm.texi (TARGET_SCALAR_MODE_SUPPORTED_P): Document.
7299
7300         * c-common.c (handle_mode_attribute): Query scalar_mode_supported_p
7301         before attempting to create types.  Tidy.
7302         * expr.c (vector_mode_valid_p): Use scalar_mode_supported_p.
7303
7304         * config/alpha/alpha.c (alpha_scalar_mode_supported_p): New.
7305         (TARGET_SCALAR_MODE_SUPPORTED_P): New.
7306
7307 2004-08-25  Richard Henderson  <rth@redhat.com>
7308
7309         * config/i386/freebsd.h (SUBTARGET_OVERRIDE_OPTIONS): Don't
7310         set REAL_MODE_FORMAT for TFmode.
7311
7312 2004-08-25  Ziemowit Laski  <zlaski@apple.com>
7313
7314         * c-decl.c (grokparm): New function.
7315         * c-tree.h (grokparm): New prototype.
7316
7317 2004-08-25  Andrew MacLeod  <amacleod@redhat.com>
7318
7319         * tree-ssa-operands.h (struct ssa_operand_iterator_d): New.  SSA operand
7320         iterator controlling structure.
7321         (SSA_OP_USE, SSA_OP_DEF, SSA_OP_VUSE, SSA_OP_VMAYUSE, SSA_OP_VMAYDEF,
7322         SSA_OP_VMUSTDEF, SSA_OP_VIRTUAL_USES, SSA_OP_VIRTUAL_DEFS,
7323         SSA_OP_ALL_USES, SSA_OP_ALL_DEFS, SSA_OP_ALL_OPERANDS): New.  Operand
7324         iterator flags.
7325         (FOR_EACH_SSA_TREE_OPERAND): New.  Iterate over operands as trees.
7326         (FOR_EACH_SSA_USE_OPERAND): New.  Iterate over operands as uses.
7327         (FOR_EACH_SSA_DEF_OPERAND): New.  Iterate over operands as defs.
7328         (FOR_EACH_SSA_MAYDEF_OPERAND): New.  Iterate over V_MAY_DEFs.
7329         * tree-ssa-operands.c (NULL_DEF_OPERAND_P, NULL_USE_OPERAND_P): New.
7330         Empty operand pointers.
7331         * tree-flow-inline.h (op_iter_done): New.  Return true if finished.
7332         (op_iter_next_use): New.  Return next use_operand_p.
7333         (op_iter_next_def): New.  Return next def_operand_p.
7334         (op_iter_next_tree): New.  Return next operands as a tree.
7335         (op_iter_init): New.  Initialize an iterator structure.
7336         (op_iter_init_use): New.  Initialize structure and get the first use.
7337         (op_iter_init_def): New.  Initialize structure and get the first def.
7338         (op_iter_init_tree): New.  Initialize structure and get the first tree.
7339         (op_iter_next_maydef): New.  Return next V_MAY_DEF operands.
7340         (op_iter_init_maydef): New.  Initialize structure and get the first
7341         V_MAY_DEF operands.
7342         * tree-cfg.c (tree_duplicate_bb): Use new operand iterator.
7343         * tree-dfa.c (compute_immediate_uses_for_stmt,
7344         redirect_immediate_uses): Use new operand iterator.
7345         (v_may_defs_disappeared_p, v_must_defs_disappeared_p): Delete.
7346         (mark_new_vars_to_rename): Use new operand iterator.  Count virtual
7347         operands instead of using *_disappeared_p routines.
7348         * tree-into-ssa.c (mark_def_sites, ssa_mark_def_sites, rewrite_stmt,
7349         ssa_rewrite_stmt): Use new operand iterator.
7350         * tree-outof-ssa.c (check_replaceable, find_replaceable_in_bb,
7351         rewrite_trees): Use new operand iterator.
7352         * tree-pretty-print.c (dump_vops): Use new operand iterator.
7353         * tree-sra.c (mark_all_v_defs): Use new operand iterator.
7354         * tree-ssa-alias.c (compute_points_to_and_addr_escape,
7355         dump_points_to_info): Use new operand iterator.
7356         * tree-ssa-ccp.c (cp_lattice_meet, visit_stmt, initialize,
7357         replace_uses_in, replace_vuse_in, likely_value, set_rhs): Use new
7358         operand iterator.
7359         * tree-ssa-dce.c (mark_stmt_if_obviously_necessary,
7360         propagate_necessity): Use new operand iterator.
7361         * tree-ssa-dom.c (cprop_into_stmt, optimize_stmt): Use operand iterator.
7362         (register_definitions_for_stmt): Use new operand iterator.  Take stmt as
7363         a parameter instead of a stmt_ann_t.
7364         * tree-ssa-live.c (create_ssa_var_map, calculate_live_on_entry,
7365         build_tree_conflict_graph): Use new operand iterator.
7366         * tree-ssa-loop-im.c (determine_max_movement, single_reachable_address,
7367         rewrite_mem_refs): Use new operand iterator.
7368         * tree-ssa-loop-manip.c (find_uses_to_rename_stmt,
7369         check_loop_closed_ssa_use): Use new operand iterator.
7370         * tree-ssa.c (verify_ssa, replace_immediate_uses): Use operand iterator.
7371         * tree-ssanames.c (release_defs): Use new operand iterator.
7372         * tree-vectorizer.c (vect_create_data_ref): Use new operand iterator.
7373
7374 2004-08-25  Adam Nemet  <anemet@lnxw.com>
7375
7376         * tlink.c (initial_cwd): New variable.
7377         (tlink_init): Initialize it.
7378         (recompile_files): Use tlink_execute() instead of system().  Don't
7379         duplicate verbose output of collect_execute.  Restore initial_cwd.
7380         Update comment before the function.
7381
7382 2004-08-25  Ziemowit Laski  <zlaski@apple.com>
7383
7384         * c-typeck.c (build_c_cast): In ObjC, always preserve (and silently
7385         accept) a cast from one Objective-C pointer type to another.
7386
7387 2004-08-25  Paolo Carlini  <pcarlini@suse.de>
7388
7389         * doc/install.texi: Document that libstdc++-v3 requires
7390         now automake 1.9.1.
7391
7392 2004-08-25  Caroline Tice  <ctice@apple.com>
7393
7394         * bb-reorder.c (partition_hot_cold_basic_blocks):  Add more details
7395         to comments at start of function.
7396         * cfgbuild.c (make_edges):  Add more details to hot/cold partitioning
7397         comment.
7398         * cfgcleanup.c (try_simplify_condjump, try_forward_edges,
7399         merge_blocks_move_predecessor_nojumps,
7400         merge_blocks_move_successor_nojumps, merge_blocks_move,
7401         try_crossjump_to_edge, try_crossjump_bb): Likewise.
7402         * cfglayout.c (fixup_reorder_chain): Likewise.
7403         * cfgrtl.c (rtl_can_merge_blocks, try_redirect_by_replacing_jump,
7404         cfg_layout_can_merge_blocks_p):  Likewise.
7405         * ifcvt.c (find_if_case_1, find_if_case_2): Likewise.
7406         * passes.c (rest_of_compilation): Update comments for calling
7407         optimization that partitions hot/cold basic blocks.
7408         * doc/invoke.texi:  Update documentation of
7409         freorder-blocks-and-partition flag.
7410
7411 2004-08-25  Richard Sandiford  <rsandifo@redhat.com>
7412
7413         * config/mips/mips.md (reg): Renamed mode attribute from ccreg.
7414         (*mov*_on_*): Adjust accordingly.  Add an explicit MOVECC: prefix.
7415
7416 2004-08-25  Richard Sandiford  <rsandifo@redhat.com>
7417
7418         * config/mips/mips.md (any_shift): New code macro.
7419         (optab, insn): New code attributes.
7420         ({ashl,ashr,lshr}[sd]i3): Redefine using :GPR and any_shift.
7421         Use the standard rather than internal patterns for the MIPS16
7422         double-shift optimization.
7423         (*{ashl,ashr,lshr}[sd]i3): New names for the non-mips16 shift patterns.
7424         Redefine using :GPR and any_shift.
7425         (*{ashl,ashr,lshr}si3_extend): Generalize ashlsi3_internal1_extend
7426         to cover all three shifts.
7427         (*{ashl,ashr,lshr}si3_mips16): New names for the mips16 SImode shifts.
7428         Redefine using any_shift.  Use :GPR and any_shift to combine splitters.
7429         (*{ashl,ashr,lshr}di3_mips16): New names for the mips16 DImode shifts.
7430
7431 2004-08-24  Geoffrey Keating  <geoffk@apple.com>
7432
7433         * gimplify.c (lookup_tmp_var): Separate temporaries when not
7434         optimizing.
7435
7436 2004-08-25  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
7437
7438         PR libstdc++/17005 (fix for HP-UX 11.11)
7439         * config.gcc (hppa*-*-*): Move MASK_BIG_SWITCH to target_cpu_default2.
7440         (hppa*-*-hpux*): Consolidate hppa1.0-*-* code.  Rework handling of
7441         tm_file including pa-hpux1010.h or pa-hpux1111.h when appropriate.
7442         * config/pa/pa-hpux1010.h, config/pa/pa-hpux1111.h: New files.
7443         * config/pa/pa-hpux.h (TARGET_HPUX): Define.
7444         (LINK_SPEC): Handle march=1.0 option.
7445         * config/pa/pa-hpux10.h (TARGET_OS_CPP_BUILTINS): Predefine _XOPEN_UNIX
7446         and _XOPEN_SOURCE_EXTENDED for UNIX 95.
7447         (SUBTARGET_OPTIONS): New define.
7448         (LINK_SPEC): Handle march=1.0 option.
7449         (STARTFILE_SPEC): New define.
7450         * config/pa/pa-hpux11.h (TARGET_OS_CPP_BUILTINS): Predefine _XOPEN_UNIX
7451         and _XOPEN_SOURCE_EXTENDED for UNIX 95.  Additionally, predefine
7452         _INCLUDE__STDC_A1_SOURCE and _INCLUDE_XOPEN_SOURCE_500 for UNIX 98.
7453         (SUBTARGET_OPTIONS): New define.
7454         (LINK_SPEC): Handle march=1.0 option.
7455         (STARTFILE_SPEC): New define.
7456         * config/pa/pa.c (override_options): Add code to process -munix= option.
7457         * config/pa/pa.h (pa_unix_string, flag_pa_unix): Declare.
7458         (TARGET_HPUX, TARGET_HPUX_10_10, TARGET_HPUX_11_11): Provide default
7459         defines.
7460         (TARGET_OPTIONS): Add SUBTARGET_OPTIONS to option list.
7461         (SUBTARGET_OPTIONS): Provide default define.
7462         * config/pa/pa64-hpux.h (STANDARD_STARTFILE_PREFIX_1,
7463         STANDARD_STARTFILE_PREFIX_2): New defines.
7464         (STARTFILE_SPEC): Provide unix95.o or unix98.o startfiles as necessary.
7465         (ENDFILE_SPEC): Use %O.
7466         * doc/install.texi (hppa*-*-hpux*): Reword paragraph on -g and gas.
7467         Mention issue caused by changing namespace and runtime to UNIX 95/98.
7468         * doc/invoke.texi (HPPA options): Move misplaced text to FRV options.
7469         Document -munix=std option.
7470
7471 2004-08-25  Steven Bosscher  <stevenb@suse.de>
7472
7473         * cse.c (cse_around_loop, cse_check_loop_start,
7474         cse_set_around_loop): Remove.
7475         (cse_basic_block): Remove the around_loop argument.
7476         (cse_end_of_basic_block): Remove the after_loop argument.
7477         (cse_main): Likewise.
7478         * rtl.h (cse_main): Update prototype.
7479         * passes.c (rest_of_handle_cse, rest_of_handle_cse2,
7480         rest_of_handle_gcse): Update cse_main calls.
7481
7482 2004-08-25  Nathan Sidwell  <nathan@codesourcery.com>
7483
7484         * tree.h  (build_int_cst): New, sign extended constant.
7485         (build_int_cstu): New, zero extended constant.
7486         (build_int_cst_wide): Renamed from build_int_cst.
7487         * tree.c (build_int_cst, build_int_cstu): New.
7488         (build_int_cst_wide): Renamed from build_int_cst.
7489         (make_vector_type, build_common_tree_nodes,
7490         build_common_tree_nodes_2): Adjust build_int_cst calls.
7491         * builtins.c (expand_builtin_prefetch, expand_builtin_strstr,
7492         expand_builtin_strpbrk, expand_builtin_fputs,
7493         build_string_literal, expand_builtin_printf,
7494         expand_builtin_sprintf, fold_builtin_classify_type,
7495         fold_builtin_lround, fold_builtin_bitop, fold_builtin_isascii,
7496         fold_builtin_toascii, fold_builtin_isdigit,
7497         simplify_builtin_strstr, simplify_builtin_strpbrk,
7498         fold_builtin_fputs, simplify_builtin_sprintf): Likewise.
7499         * c-common.c (start_fname_decls, fix_string_type, shorten_compare,
7500         DEF_ATTR_INT): Likewise.
7501         * c-decl.c (complete_array_type, check_bitfield_type_and_width):
7502         Likewise.
7503         * c-lex.c (interpret_integer, lex_charconst): Likewise.
7504         * c-parse.in (primary) <TYPES_COMPATIBLE_P> Likewise.
7505         * c-pretty-print.c (pp_c_integer_constant): Likewise.
7506         * c-typeck.c (really_start_incremental_init, push_init_level,
7507         set_nonincremental_init_from_string): Likewise.
7508         * calls.c (load_register_parameters): Likewise.
7509         convert.c (convert_to_pointer): Likewise.
7510         coverage.c (coverage_counter_alloc, tree_coverage_counter_ref,
7511         build_fn_info_type, build_fn_info_value, build_ctr_info_value,
7512         build_gcov_info): Likewise.
7513         * except.c (init_eh, assign_filter_values): Likewise.
7514         * expmed.c (store_fixed_bit_field, extract_bit_field,
7515         extract_fixed_bit_field, extract_split_bit_field, expand_shift,
7516         expand_mult_const, expand_mult_highpart_adjust, extract_high_half,
7517         expand_sdiv_pow2, expand_divmod, make_tree): Likewise.
7518         * expr.c (convert_move, emit_group_load, emit_group_store,
7519         expand_assignment, store_constructor, store_field,
7520         expand_expr_real_1, reduce_to_bit_field_precision): Likewise.
7521         fold-const.c (force_fit_type, int_const_binop, fold_convert_const,
7522         invert_truthvalue, optimize_bit_field_compare,
7523         decode_field_reference, all_ones_mask_p, constant_boolean_node,
7524         fold_div_compare, fold, fold_read_from_constant_string,
7525         fold_negate_const, fold_abs_const, fold_not_const, round_up,
7526         round_down): Likewise.
7527         * function.c (assign_parm_setup_block): Likewise.
7528         * stmt.c (shift_return_value, expand_case, estimate_case_costs):
7529         Likewise.
7530         * stor-layout.c (layout_type, initialize_sizetypes,
7531         set_min_and_max_values_for_integral_type): Likewise.
7532         * tree-chrec.c (chrec_fold_multiply_poly_poly,
7533         reset_evolution_in_loop): Likewise.
7534         * tree-chrec.h (build_polynomial_chrec): Likewise.
7535         * tree-complex.c (build_replicated_const): Likewise.
7536         * tree-eh.c (honor_protect_cleanup_actions,
7537         lower_try_finally_onedest, lower_try_finally_copy,
7538         lower_try_finally_switch): Likewise.
7539         * tree-mudflap.c (mf_build_string, mx_register_decls,
7540         mudflap_register_call, mudflap_enqueue_constant): Likewise.
7541         * tree-nested.c (get_trampoline_type, get_nl_goto_field): Likewise.
7542         * tree-pretty-print.c (dump_generic_node): Likewise.
7543         * tree-ssa-ccp.c (widen_bitfield, maybe_fold_offset_to_array_ref):
7544         Likewise.
7545         * tree-ssa-dom.c (simplify_rhs_and_lookup_avail_expr): Likewise.
7546         * tree-ssa-loop-niter.c (number_of_iterations_cond,
7547         loop_niter_by_eval, upper_bound_in_type, lower_bound_in_type):
7548         Likewise.
7549         * tree-ssa-loop-ivcanon.c (create_canonical_iv,
7550         canonicalize_loop_induction_variables): Likewise.
7551         * tree-vectorizer.c (vect_create_index_for_array_ref,
7552         vect_transform_loop_bound, vect_compute_data_ref_alignment):
7553         Likewise.
7554
7555         * config/alpha/alpha.c (alpha_initialize_trampoline, alpha_va_start,
7556         alpha_gimplify_va_arg_1): Likewise.
7557         * config/arm/arm.c (arm_get_cookie_size): Likewise.
7558         * config/c4x/c4x.c (c4x_gimplify_va_arg_expr): Likewise.
7559         * config/i386/i386.c (ix86_va_start, ix86_gimplify_va_arg): Likewise.
7560         * config/ia64/ia64.c (ia64_gimplify_va_arg): Likewise.
7561         * config/mips/mips.c (mips_build_builtin_va_list, mips_va_start,
7562         mips_gimplify_va_arg_expr): Likewise.
7563         * config/pa/pa.c (hppa_gimplify_va_arg_expr): Likewise.
7564         * config/rs6000/rs6000.c (rs6000_va_start, rs6000_gimplify_va_arg,
7565         add_compiler_branch_island): Likewise.
7566         * config/s390/s390.c (s390_va_start): Likewise.
7567         * config/sh/sh.c (sh_va_start): Likewise.
7568         * config/stormy16/stormy16.c (xstormy16_expand_builtin_va_start):
7569         Likewise.
7570         * config/xtensa/xtensa.c (xtensa_va_start,
7571         xtensa_gimplify_va_arg_expr): Likewise.
7572
7573         * objc/objc-act.c (build_objc_string_object,
7574         build_objc_symtab_template, init_def_list, init_objc_symtab,
7575         init_module_descriptor, generate_static_references,
7576         build_selector_translation_table, get_proto_encoding,
7577         build_typed_selector_reference, build_selector_reference,
7578         build_next_objc_exception_stuff,
7579         build_method_prototype_list_template, generate_descriptor_table,
7580         generate_protocols, build_protocol_initializer,
7581         build_ivar_list_template, build_method_list_template,
7582         build_ivar_list_initializer, generate_ivars_list,
7583         generate_dispatch_table, generate_protocol_list,
7584         build_category_initializer, build_shared_structure_initializer,
7585         generate_shared_structures, handle_impent,
7586         generate_objc_image_info): Likewise.
7587
7588 2004-04-25  Paolo Bonzini  <bonzini@gnu.org>
7589
7590         * cfglayout.c (duplicate_insn_chain): Remove references to
7591         NOTE_INSN_LOOP_VTOP and NOTE_INSN_LOOP_CONT.
7592         * cfgloop.h (struct loop): Remove fields vtop, cont and cont_dominator.
7593         * cfgrtl.c (rtl_delete_block): Remove handling of NOTE_INSN_LOOP_CONT.
7594         * final.c (final_scan_insn): Remove references to NOTE_INSN_LOOP_VTOP
7595         and NOTE_INSN_LOOP_CONT.
7596         * insn-notes.def (NOTE_INSN_LOOP_VTOP, NOTE_INSN_LOOP_CONT): Remove.
7597         * jump.c (squeeze_notes): Remove references to NOTE_INSN_LOOP_VTOP
7598         and NOTE_INSN_LOOP_CONT.
7599         * loop.c (scan_loops, find_and_verify_loops, for_each_insn_in_loop,
7600         check_dbra_loop, loop_dump_aux): Remove references to removed notes
7601         and fields.
7602         * reorg.c (mostly_true_jump): Do not rely on NOTE_INSN_LOOP_VTOPs.
7603         * unroll.c (unroll_loop, copy_loop_body, loop_iterations): Remove
7604         references to removed notes and fields.
7605         (subtract_reg_term, ujump_to_loop_cont): Remove.
7606
7607 2004-08-25  Paolo Bonzini  <bonzini@gnu.org>
7608
7609         * doc/install.texi: Document that libcpp does not require
7610         Automake any longer.  Document that Automake 1.9.1 should
7611         work everywhere.
7612
7613 2004-08-25  Zack Weinberg  <zack@codesourcery.com>
7614
7615         * flags.h (enum debug_info_type): Remove DWARF_DEBUG.
7616         * defaults.h (PREFERRED_DEBUGGING_TYPE): Remove check for
7617         DWARF_DEBUGGING_INFO from choice-of-definition chain;
7618         restructure using C89 features (#elif, #error).
7619         * c-lex.c, final.c, opts.c, config/cris/cris.c, config/frv/frv.c
7620         * config/sh/sh.h: Remove references to DWARF_DEBUG.
7621         * doc/invoke.texi: Remove references to DWARF version 1;
7622         clarify why -gdwarf-2<n> doesn't work.
7623
7624 2004-08-25  Zack Weinberg  <zack@codesourcery.com>
7625
7626         * basic-block.h (BB_SET_PARTITION): Clear old value first.
7627         * cfg.c (clear_bb_flags): Don't clear partition setting.
7628         * ifcvt.c (find_if_case_1): Remove ??? comment.
7629
7630 2004-08-25  Alan Modra  <amodra@bigpond.net.au>
7631
7632         PR target/17052
7633         * config/rs6000/rs6000.h (machine_function): Remove sysv_varargs_p.
7634         * config/rs6000/sysv4.h (RS6000_VARARGS_AREA): Use
7635         current_function_stdarg in place of sysv_varargs_p.
7636         * config/rs6000/rs6000.c (setup_incoming_varargs): Don't set
7637         sysv_varargs_p.
7638
7639 2004-08-24  Richard Henderson  <rth@redhat.com>
7640
7641         PR target/16298
7642         * config/i386/i386.c (legitimate_constant_p): Rework to not accept
7643         random codes within CONST.
7644
7645 2004-08-24  James E Wilson  <wilson@specifixinc.com>
7646
7647         * Makefile.in (STAGEFEEDBACK_FLAGS_TO_PASS): Remove
7648         -freorder-blocks-and-partition.
7649
7650 2004-08-24  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
7651
7652         PR middle-end/17044
7653         * tree-ssa-threadupdate.c (redirection_data): Make static.
7654         (thread_block): Use ggc_alloc_cleared to allocate struct
7655         redirection_data.  Don't free elements in redirection_data.
7656
7657 2004-08-24  Richard Sandiford  <rsandifo@redhat.com>
7658
7659         * config/mips/predicates.md (small_data_pattern): Match prefetches.
7660
7661 2004-08-24  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
7662
7663         PR tree-optimization/17016
7664         * tree-ssa-loop-niter.c (number_of_iterations_cond,
7665         number_of_iterations_exit): Use POINTER_TYPE_P instead
7666         of testing for POINTER_TYPE.
7667
7668 2004-08-24  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
7669
7670         * tree-ssa-loop-ivcanon.c: New file.
7671         * tree-ssa-loop-manip.c (create_iv): New function.
7672         * Makefile.in (tree-ssa-loop-ivcanon.o): Add.
7673         (tree-ssa-loop.o, tree-ssa-loop-manip.o): Add SCEV_H dependency.
7674         * cfgloop.c (mark_single_exit_loops): New function.
7675         (verify_loop_structure): Verify single-exit loops.
7676         * cfgloop.h (struct loop): Add single_exit field.
7677         (LOOPS_HAVE_MARKED_SINGLE_EXITS): New constant.
7678         (mark_single_exit_loops): Declare.
7679         (tree_num_loop_insns): Declare.
7680         * cfgloopmanip.c (update_single_exits_after_duplication): New function.
7681         (duplicate_loop_to_header_edge): Use it.
7682         * common.opt (fivcanon): New flag.
7683         * timevar.def (TV_TREE_LOOP_IVCANON, TV_COMPLETE_UNROLL): New timevars.
7684         * tree-cfg.c (tree_find_edge_insert_loc): Return newly created block.
7685         (bsi_commit_edge_inserts_1): Pass null to tree_find_edge_insert_loc.
7686         (bsi_insert_on_edge_immediate): New function.
7687         * tree-flow.h (bsi_insert_on_edge_immediate,
7688         canonicalize_induction_variables, tree_unroll_loops_completely,
7689         create_iv): Declare.
7690         * tree-optimize.c (init_tree_optimization_passes): Add
7691         pass_iv_canon and pass_complete_unroll.
7692         * tree-pass.h (pass_iv_canon, pass_complete_unroll): Declare.
7693         * tree-scalar-evolution.c (get_loop_exit_condition,
7694         get_exit_conditions_rec, number_of_iterations_in_loop,
7695         scev_initialize): Use single_exit information.
7696         * tree-ssa-loop-niter.c (number_of_iterations_cond): Record
7697         missing assumptions.
7698         (loop_niter_by_eval):  Return number of iterations as unsigned
7699         int.
7700         * tree-ssa-loop.c (tree_ssa_loop_init): Mark single exit loops.
7701         (tree_ssa_loop_ivcanon, gate_tree_ssa_loop_ivcanon, pass_iv_canon,
7702         tree_complete_unroll, gate_tree_complete_unroll, pass_complete_unroll):
7703         New passes.
7704         (tree_ssa_loop_done): Call free_numbers_of_iterations_estimates.
7705         * tree-ssanames.c (make_ssa_name): Allow creating ssa name before
7706         the defining statement is ready.
7707         * tree-vectorizer.c (vect_create_iv_simple): Removed.
7708         (vect_create_index_for_array_ref, vect_transform_loop_bound):
7709         Use create_iv.
7710         (vect_transform_loop_bound): Use single_exit information.
7711         (vect_analyze_loop_form): Cleanup bogus tests.
7712         (vectorize_loops): Do not call flow_loop_scan.
7713         * tree.h (may_negate_without_overflow_p): Declare.
7714         * fold-const.c (may_negate_without_overflow_p): Split out from ...
7715         (negate_expr_p): ... this function.
7716         (tree_expr_nonzero_p): Handle overflowed constants correctly.
7717         * doc/invoke.texi (-fivcanon): Document.
7718         * doc/passes.texi: Document canonical induction variable creation.
7719
7720 2004-08-24  Richard Sandiford  <rsandifo@redhat.com>
7721
7722         * config/mips/mips.h (ISA_HAS_INT_CONDMOVE): Delete.
7723         * config/mips/mips.c (print_operand): Fold %B/%b handling into %T/%t,
7724         using the mode of the operand to decide between them.
7725         * config/mips/mips.md (MOVECC): New mode macro.
7726         (ccreg): New mode attribute.
7727         (*mov{si,di,sf,df}_on_{cc,si,di}): Name formerly unnamed patterns.
7728         Redefine using :GPR and :MOVECC.  Use %T and %t for the condition.
7729         (mov[sd]icc): Redefine using :GPR.
7730
7731 2004-08-24  Richard Sandiford  <rsandifo@redhat.com>
7732
7733         * config/mips/mips-protos.h (mips_emit_prefetch): Delete.
7734         (mips_prefetch_cookie): New function.
7735         * config/mips/mips.c (print_operand_address): Fix handling of
7736         ADDRESS_CONST_INT.
7737         (mips_emit_prefetch): Delete.
7738         (mips_prefetch_cookie): New function.
7739         * config/mips/mips.md (prefetch): Turn into a define_insn.  Use a
7740         mode of QImode for the address_operand.  Use mips_prefetch_cookie
7741         to calculate the first "pref" operand.
7742         (prefetch_[sd]i, prefetch_[sd]i_address): Delete.
7743         (prefetch_indexed_[sd]i): Redefine using :P.  Use mips_prefetch_cookie.
7744
7745 2004-08-24  Richard Earnshaw  <rearnsha@arm.com>
7746
7747         * arm.md: Include predicates.md.
7748         * predicates.md: New file.
7749         * arm.c (s_register_operand, arm_hard_register_operand)
7750         (arm_general_register_operand, f_register_operand, reg_or_int_operand)
7751         (arm_immediate_operand, arm_neg_immediate_operand)
7752         (arm_not_immediate_operand, arm_rhs_operand, arm_rhsm_operand)
7753         (arm_add_operand, arm_addimm_operand, arm_not_operand)
7754         (offsettable_memory_operand, alignable_memory_operand)
7755         (arm_reload_memory_operand, arm_float_rhs_operand)
7756         (arm_float_add_operand, vfp_compare_operand, arm_float_compare_operand)
7757         (index_operand, shiftable_operator, logical_binary_operator)
7758         (shift_operator, equality_operator, arm_comparison_operator)
7759         (minmax_operator, cc_register, dominant_cc_register)
7760         (arm_extendqisi_mem_op, power_of_two_operand, nonimmediate_di_operand)
7761         (di_operand, nonimmediate_soft_df_operand, soft_df_operand)
7762         (const_shift_operand, load_multiple_operation)
7763         (store_multiple_operation, multi_register_push, thumb_cmp_operand)
7764         (thumb_cmpneg_operand, thumb_cbrch_target_operand)
7765         (cirrus_register_operand, cirrus_fp_register)
7766         (cirrus_shift_const): Delete, replaced with equivalents in
7767         predicates.md.
7768         (shift_op): Handle ROTATE.
7769         * arm-protos.h: Delete declarations for above.
7770         * arm.h (PREDICATE_CODES, SPECIAL_MODE_PREDICATES): Delete.
7771         * t-arm (MD_INCLUDES): Add predicates.md.
7772         (s-preds): Depends on MD_INCLUDES.
7773
7774 2004-08-24  Richard Sandiford  <rsandifo@redhat.com>
7775
7776         * config/mips/mips.c (mips_gen_conditional_trap): Fix mode.
7777         * config/mips/mips.md (*conditional_trap[sd]i): Name previously unnamed
7778         patterns.  Redefine using :GPR.  Give the match_operator a mode.
7779         Use '%2' rather than '%z2' for operand 2.
7780
7781 2004-08-24  Richard Sandiford  <rsandifo@redhat.com>
7782
7783         * config/mips/mips.md (load_call[sd]i): Redefine using :P.  Add mode
7784         attribute.
7785
7786 2004-08-24  Richard Sandiford  <rsandifo@redhat.com>
7787
7788         * config/mips/mips.md (indirect_jump): Use force_reg.  Adjust names
7789         of internal patterns.
7790         (indirect_jump[sd]i): Renamed from indirect_jump_internal[12].
7791         Redefine using :P.
7792         (tablejump): Use expand_binop to calculate address.  Adjust names
7793         of internal patterns.
7794         (tablejump[sd]i): Renamed from tablejump_internal[12].
7795         Redefine using :P.
7796         (tablejump_mips16[12]): Delete.
7797
7798 2004-08-24  Richard Sandiford  <rsandifo@redhat.com>
7799
7800         * config/mips/mips.md (*seq_[sd]i, *seq_[sd]i_mips16, *sne_[sd]i)
7801         (*sgt_[sd]i, *sgt_[sd]i_mips16, *sge_[sd]i, *slt_[sd]i)
7802         (*slt_[sd]i_mips16, *sle_[sd]i, *sle_[sd]i_mips16, *sgtu_[sd]i)
7803         (*sgtu_[sd]i_mips16, *sge_[sd]i, *sltu_[sd]i, *sltu_[sd]i_mips16)
7804         (*sleu_[sd]i, *sleu_[sd]i_mips16): Redefine using :GPR.
7805
7806 2004-08-24  Richard Sandiford  <rsandifo@redhat.com>
7807
7808         * config/mips/mips.md (cmpsi, cmpdi): Redefine using :GPR.
7809         (*branch_zero[sd]i): Renamed from branch_zero{,_di}.  Redefine
7810         using :GPR.
7811         (*branch_zero[sd]i_inverted): Likewise branch_zero{,_di}_inverted.
7812         (*branch_equality[sd]i): Likewise branch_equality{,_di}.
7813         (*branch_equality[sd]i_inverted): Likewise
7814         branch_equality{,_di}_inverted.
7815         (*branch_equality[sd]i_mips16): Name formerly unnamed patterns.
7816         Redefine using :GPR.
7817
7818 2004-08-24  Zack Weinberg  <zack@codesourcery.com>
7819
7820         * rtl.def: Reorganize, placing all codes used only in machine
7821         descriptions at the end.
7822
7823         * rtl.def: Wrap MD-only codes in #ifdef GENERATOR_FILE.
7824         * gengtype.c: Don't include rtl.h.  Define enum rtx_code and
7825         rtx_name, rtx_format arrays by direct reference to rtl.def,
7826         first undefining GENERATOR_FILE.  Define enum insn_note and
7827         note_insn_name array by direct reference to insn-notes.def.
7828         (adjust_field_rtx_def): Remove local definition of rtx_name.
7829         Use symbolic names for insn notes.
7830         * Makefile.in (gengtype.o): Update dependencies.
7831
7832 2004-08-24  Zack Weinberg  <zack@codesourcery.com>
7833
7834         * basic-block.h (struct basic_block_def): Reorder fields to
7835         eliminate interior padding.  Remove 'partition' field.
7836         (BB_DISABLE_SCHEDULE, BB_HOT_PARTITION, BB_COLD_PARTITION)
7837         (BB_UNPARTITIONED, BB_PARTITION, BB_SET_PARTITION)
7838         (BB_COPY_PARTITION): New macros.
7839         * bb-reorder.c, cfgcleanup.c, cfglayout.c, cfgrtl.c, ifcvt.c
7840         Replace all references to the 'partition' field of a basic
7841         block with new macros.
7842
7843         * insn-notes.def: Delete NOTE_INSN_DISABLE_SCHED_OF_BLOCK.
7844         * final.c (final_scan_insn): Don't handle it.
7845         * modulo-sched.c: Set BB_DISABLE_SCHEDULE flag on g->bb
7846         instead of emitting a NOTE_INSN_DISABLE_SCHED_OF_BLOCK note.
7847         * sched-rgn.c (sched_is_disabled_for_current_region_p):
7848         Look for a BB_DISABLE_SCHEDULE flag on the block instead of a note.
7849
7850 2004-08-24  Nathan Sidwell  <nathan@codesourcery.com>
7851
7852         * c-decl.c (c_init_decl_processing): Adjust
7853         build_common_tree_nodes call.
7854         * expmed.c (const_mult_add_overflow_p): Use
7855         build_distinct_type_copy.
7856         * stor-layout.c (early_type_list): Remove.
7857         (layout_type): Don't append to early_type_list.
7858         (initialize_sizetypes): Add signed_p argument.
7859         (set_sizetype): Overwrite the stub type nodes directly.
7860         * tree.c (copy_node_stat): Clear a type's value cache here ...
7861         (build_distinct_type): ... not here.
7862         (build_common_tree_nodes): Add signed_sizetype argument. Adjust.
7863         * tree.h (initialize_sizetypes): Add signed_p argument.
7864         (build_common_tree_nodes): Likewise.
7865
7866         * objc/objc-act.c (get_static_reference): Use
7867         build_variant_type_copy.
7868         (get_protocol_reference): Likewise.
7869         * objc/objc-act.h (TREE_STATIC_TEMPLATE): Use TREE_PRIVATE.
7870
7871 2004-08-24  Richard Henderson  <rth@redhat.com>
7872             Andrew Pinski  <apinski@apple.com>
7873
7874         * gimplify.c (gimplify_array_ref_to_plus): Delete.
7875         (gimplify_addr_expr): Do not call gimplify_array_ref_to_plus
7876         for ARRAY_REF.
7877
7878         * config/rs6000/rs6000.c (altivec_expand_builtin): Go passed
7879         ARRAY_REF also to get to the STRING_CST.
7880
7881 2004-08-24  Paul Brook  <paul@codesourcery.com>
7882
7883         * config/arm/arm.c (arm_override_options): Update error message.
7884         * config/arm/arm.h (TARGET_HARD_FLOAT): Rename to
7885         TARGET_HARD_FLOAT_ABI.
7886         (TARGET_SOFT_FLOAT_ABI): Rename to TARGET_HARD_FLOAT.
7887         (LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P): Use TARGET_HARD_FLOAT_ABI.
7888
7889 2004-08-24  Kazuhiro Inaoka  <inaoka.kazuhiro@renesas.com>
7890
7891         PR target/17093
7892         * config/m32r.md (movsi_sda): Add SI mode specification to
7893         UNSPEC.
7894
7895 2004-08-24  Nick Clifton  <nickc@redhat.com>
7896
7897         * config/m32r/m32r.h (PREDICATE_CODES): Remove duplicate definition
7898         of seth_add3_operand.
7899
7900 2004-08-24  Nathan Sidwell  <nathan@codesourcery.com>
7901
7902         * Makefile.in (PROTO_OBJS): Add errors.o.
7903         * protoize.c (fancy_abort): Remove.
7904         * mips-tfile.c (fancy_abort): Add parameters.
7905
7906 2004-08-24  Jonathan Wakely  <redi@gcc.gnu.org>
7907
7908         * doc/trouble.texi (C++ misunderstandings): Fix example code.
7909
7910 2004-08-24  Andreas Tobler  <a.tobler@schweiz.ch>
7911
7912         * Makefile.in (HOOKS_H): Add dependency on MACHMODE_H.
7913         (host-default.o): Add dependency on HOOKS_H.
7914         * config/x-linux: Likewise.
7915         * config/x-solaris: Likewise.
7916         * config/i386/x-mingw32: Likewise.
7917         * config/rs6000/x-darwin: Likewise.
7918
7919 2004-08-23  James E Wilson  <wilson@specifixinc.com>
7920
7921         * reg-notes.def (REG_NOTE): In comment, change DEF_INSN_NOTE to
7922         DEF_REG_NOTE.
7923
7924 2004-08-23  Mark Mitchell  <mark@codesourcery.com>
7925
7926         PR c/14492
7927         * dwarf2out.c (loc_descriptor_from_tree): Robustify.
7928
7929 2004-08-23  Diego Novillo  <dnovillo@redhat.com>
7930
7931         * cfg.c (check_bb_profile): Fix typos.
7932         * function.c (assign_parm_is_stack_parm): Likewise.
7933         * tree-nested.c: Likewise.
7934
7935 2004-08-23  Daniel Jacobowitz  <dan@debian.org>
7936
7937         * ggc-zone.c (struc alloc_chunk): Rearrange flag bits and SIZE.
7938         Remove TYPECODE.
7939         (ggc_alloc_zone_1): Mark TYPE as unused.  Don't save it in the chunk.
7940
7941 2004-08-23  Eric Christopher  <echristo@redhat.com>
7942
7943         * defaults.h (VECTOR_MODE_SUPPORTED_P): Remove macro.
7944         * system.h (VECTOR_MODE_SUPPORTED_P): Poison.
7945         * target-def.h (TARGET_VECTOR_MODE_SUPPORTED_P): Define.
7946         * target.h: Ditto.
7947         * hooks.h: Include machmode.h.
7948         (hook_bool_mode_false): Declare.
7949         * hooks.c (hook_bool_mode_false): Define.
7950         * expr.c (vector_mode_valid_p): Use targetm.vector_mode_supported_p.
7951         * stor-layout.c (layout_type): Ditto.
7952         * config/alpha/alpha.c (alpha_vector_mode_supported_p): New function.
7953         Define to target macro.
7954         * config/alpha/alpha.h (VECTOR_MODE_SUPPORTED_P): Delete.
7955         * config/arm/arm.c: Ditto. Use.
7956         * config/arm/arm.h: Ditto.
7957         * config/arm/arm-protos.h: Ditto.
7958         * config/i386/i386.c: Ditto.
7959         * config/i386/i386.h: Ditto.
7960         * config/rs6000/rs6000.c: Ditto.
7961         * config/rs6000/rs6000.h: Ditto.
7962         * config/sh/sh.c: Ditto.
7963         * config/sh/sh.h: Ditto.
7964         * config/sh/sh-protos.h: Ditto.
7965         * config/sh/sh.md: Use.
7966         * doc/tm.texi: Move documentation for VECTOR_MODE_SUPPORTED_P
7967         to TARGET_VECTOR_MODE_SUPPORTED_P.
7968
7969 2004-08-23  Nathan Sidwell  <nathan@codesourcery.com>
7970
7971         * Makefile.in (BUILD_ERRORS): Set to build-errors.
7972         (errors.o): New target for host.
7973         (build-errors.o): New target for build.
7974         (genobjs): Replace errors.o with build-errors.
7975         (gengenrtl$(buildexeext)): Add $(BUILD_ERRORS).
7976         (GCOV_OBJS, GCOV_DUMP_OBJS): Add errors.o.
7977         (fix-headers$(build_exeext)): Add $(BUILD_ERRORS).
7978         (fix-header.o): Add errors.h
7979         * collect2.c (fancy_abort): Add parameters.
7980         * collect2.h (fancy_abort): Don't declare.
7981         * errors.h (fancy_abort): Don't declare.
7982         * errors.c: Include either bconfig.h or config.h.
7983         (fancy_abort): Trim filename.
7984         * fix-header.c (v_fatal, fatal): Remove.
7985         (progname): Remove definition.
7986         (main): Set progname here.
7987         * gcc.c (fancy_abort): Add parameters.
7988         * gcc.h (fancy_abort): Remove declaration.
7989         * gcov.c (fancy_abort): Remove.
7990         * rtl.h (fancy_abort): Don't declare.
7991         (abort): Don't define.
7992         * tree.h (fancy_abort): Don't declare.
7993         (abort): Don't define.
7994         * system.h (fancy_abort): Declare.
7995         (abort): Define to fancy_abort.
7996         * fixinc/Makefile.in (ALLOBJ): Add ../build-errors.o
7997
7998         * tree.h (enum size_type_kind): Remove USIZETYPE, UBITSIZETYPE.
7999         (usize_type, ubitsizetype): Remove.
8000         * stor-layout.c (set_sizetype): Don't initialize usizetype,
8001         ubitsizetype.
8002         * fold-const.c (size_diffop): TYPE can never be ubitsizetype.
8003
8004         * tree.h (build_distinct_type_copy): New.
8005         (build_type_copy): ... here.  Rename to ...
8006         (build_variant_type_copy): ... here.
8007         * tree.c (build_qualified_type): Rename build_type_copy call.
8008         (build_distinct_type_copy): New, broken out of ...
8009         (build_type_copy): ... here.  Rename to ...
8010         (build_variant_type_copy): ... here.  Use
8011         build_distinct_type_copy.
8012         (build_common_tree_nodes_2): Rename build_type_copy call.
8013         * c-common.c (c_common_nodes_and_builtins): Rename build_type_copy
8014         call.
8015         (handle_packed_attribute, handle_unused_attribute,
8016         handle_transparanet_union_attribute, handle_aligned_attribute,
8017         handle_deprecated_attribute): Likewise.
8018         * c-decl.c (clone_underlying_type, store_parm_decls_oldstyle):
8019         Likewise.
8020         * config/arm/arm.c (arm_handle_isr_attribyte): Likewise.
8021         * config/rs6000/rs6000.c (rs6000_init_builtins): Use
8022         build_distinct_type_copy.
8023
8024 2004-08-23  Richard Sandiford  <rsandifo@redhat.com>
8025
8026         * config/mips/mips.md (mfhilo_[sd]i): Redefine using :GPR.  Add mode
8027         attribute.
8028
8029 2004-08-23  Richard Sandiford  <rsandifo@redhat.com>
8030
8031         * config/mips/mips.md (length): Don't use mips_fetch_insns for indexed
8032         loads and stores.
8033         (*lwxc1_<mode>, *ldxc1_<mode>, *swxc1_<mode>, *sdxc1_<mode>): Name
8034         formerly unnamed patterns.  Redefine using :P for the address.  Remove
8035         explicit length attributes.
8036
8037 2004-08-23  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
8038
8039         * tree-ssa-loop-im.c (fem_single_reachable_address, for_each_memref):
8040         New functions.
8041         (single_reachable_address): Use them.
8042         (schedule_sm): Add dump.
8043         (is_call_clobbered_ref): New function.
8044         (determine_lsm_reg): Check whether the reference is call clobbered.
8045         Only work for gimple_reg_type values.
8046
8047 2004-08-23  Richard Sandiford  <rsandifo@redhat.com>
8048
8049         * config/mips/mips.md (*mov<mode>_ra): Name previously unnamed MIPS16
8050         $31 store insns.  Redefine using :GPR.
8051
8052 2004-08-23  Richard Sandiford  <rsandifo@redhat.com>
8053
8054         * config/mips/mips.md (P): New mode macro.
8055         (*xgot_hi[sd]i, *xgot_lo[sd]i, *got_disp[sd]i, *got_page[sd]i)
8056         (*load_got[sd]i, *low[sd]i, *low[sd]i_mips16): Redefine using :P.
8057         Add mode attributes.
8058
8059 2004-08-23  Richard Sandiford  <rsandifo@redhat.com>
8060
8061         * config/mips/mips.md (UNSPEC_[LS][WD][LR]): Delete in favor of...
8062         (UNSPEC_{LOAD,STORE}_{LEFT,RIGHT}): ...these new constants.  Shuffle
8063         later constants to cover the gap.
8064         (load, store): New mode attributes.
8065         (mov_l[wd]l, mov_l[wd]r, mov_s[wd]l, mov_s[wd]r): Redefine using :GPR.
8066         Use new unspec constants.
8067
8068 2004-08-23  Richard Sandiford  <rsandifo@redhat.com>
8069
8070         * config/mips/mips.md (one_cmpl[sd]i2): Redefine using :GPR.
8071         (and[sd]3, ior[sd]i3, xor[sd]i3): Likewise.  Change 32-bit patterns
8072         to use register_operand rather than uns_arith_operand as the predicate
8073         for operand 1.  Remove redundant MIPS16 force_reg() for operand 1.
8074         (*and[sd]i3, *ior[sd]i3, *xor[sd]i3): Name formerly unnamed patterns.
8075         Redefine using :GPR.  Make same predicate change here.  Extend the
8076         commutativity of operands 1 and 2 from the SImode version to the
8077         DImode one.
8078         (*and[sd]i3_mips16, *ior[sd]i3_mips16, *xor[sd]i3_mips16): Likewise,
8079         but with no predicate changes.
8080         (*nor[sd]i3): Redefine using :GPR.
8081
8082 2004-08-23  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
8083
8084         * tree-ssa-operands.c (get_call_expr_operands): Add VUSE operands for
8085         noreturn functions.
8086
8087 2004-08-23  Richard Sandiford  <rsandifo@redhat.com>
8088
8089         * config/mips/mips.h (ISA_HAS_DCLZ_DCLO): Delete.
8090         * config/mips/mips.md (abs[sd]i2): Redefine using :GPR.  Only use
8091         branch-likely insns for absdi2 if GENERATE_BRANCHLIKELY.  Use "%."
8092         rather than "%z2" (with a fake const0_rtx for operand 2).
8093         (ffs[sd]i2): Redefine using :GPR.
8094         (clz[sd]i2): Likewise.  Use ISA_HAS_CLO_CLZ for the 64-bit case.
8095
8096 2004-08-23  Richard Sandiford  <rsandifo@redhat.com>
8097
8098         * config/mips/mips.md ({,u}divmod[sd]i4): Redefine using :GPR.
8099
8100 2004-08-23  Richard Sandiford  <rsandifo@redhat.com>
8101
8102         * config/mips/mips.md (any_extend): New code macro.
8103         (u, su): New code attributes.
8104         ({,u}mulsidi3, {,u}mulsidi3_32bit_internal, {,u}mulsidi3_32bit_r4000)
8105         ({u,s}mulsi3_highpart, {u,s}mulsi3_highpart_internal)
8106         ({u,s}mulsi3_highpart_mulhi_internal, {s,u}muldi3_highpart)
8107         (*{s,u}mul_acc_di): Redefine using any_extend.
8108         (*{,u}muls_di, *{s,u}msac_di): Likewise.  Change names of patterns
8109         to reflect real insn names.
8110         (*mulsidi3_64bit, *mulsidi3_64bit_parts): Replace use of match_operator
8111         with an any_extend template.
8112         ({u,s}mulsi3_highpart_neg_mulhi_internal): Redefine using any_extend.
8113         Add '*' to name.
8114
8115 2004-08-23  Richard Sandiford  <rsandifo@redhat.com>
8116
8117         * config/mips/mips.h (GENERATE_MULT3_SI): Check TARGET_MAD.
8118         * config/mips/mips.md (mul[sd]i3, mul[sd]i3_internal)
8119         (mul[sd]i3_r4000): Redefine using :GPR.
8120         (mulsi3_mult3): Don't check TARGET_MAD separately.
8121         (muldi3_mult3): Moved after mulsi_mult3.
8122
8123 2004-08-23  Richard Sandiford  <rsandifo@redhat.com>
8124
8125         * config.gcc (mips-*-*): Remove definitions of MASK_GAS and
8126         OBJECT_FORMAT_ELF.  Set MASK_SPLIT_ADDR by default if using GNU ld.
8127         * config/mips/mips.h (MASK_GAS): Delete.  Shuffle later masks down.
8128         (TARGET_GAS, TARGET_MIPS_AS): Delete.
8129         (TARGET_GPWORD): Define to true for n32 on IRIX.
8130         (TARGET_SWITCHES): Remove -mmips-as.  Turn -mgas into a no-op.
8131         (MIPS_AS_ASM_SPEC, SUBTARGET_MIPS_AS_ASM_SPEC): Delete.
8132         (GAS_ASM_SPEC): Delete, folding into ASM_SPEC.
8133         (ASM_ABI_DEFAULT_SPEC, TARGET_ASM_SPEC): Delete.
8134         (MDEBUG_ASM_SPEC): Delete, folding into...
8135         (SUBTARGET_ASM_DEBUGGING_SPEC): ...here.
8136         (ASM_SPEC): Inline old GAS_ASM_SPEC.  Use GNU names for ABI switches.
8137         (EXTRA_SPECS): Remove mips_as_asm_spec, gas_asm_spec, target_asm_spec,
8138         subtarget_mips_as_asm_spec, mdebug_asm_spec.  Use MULTILIB_ABI_DEFAULT
8139         to define asm_abi_default_spec.
8140         (ASM_STABS_OP, ASM_STABN_OP, ASM_STABD_OP): Delete.
8141         (TARGET_ASM_SELECT_SECTION): Delete.
8142         * config/mips/mips.c (MIPS_MAX_FIRST_STACK_STEP): Define to 0x7ff0
8143         for non-mips16 code, removing previous workaround for SGI assemblers.
8144         (TARGET_ASM_INTEGER, mips_assemble_integer): Delete.
8145         (TARGET_ASM_ALIGNED_DI_OP): Define this instead.
8146         (override_options): Remove !TARGET_GAS and !have_named_sections code.
8147         (print_operand): Fold TARGET_GAS conditionals into asm strings.
8148         (mips_output_filename): Remove !TARGET_GAS code.  Replace use of
8149         ASM_STABS_OP and ASM_STABN_OP.
8150         (mips_file_start): Remove TARGET_MIPS_AS/TARGET_GAS checks.
8151         (mips_output_aligned_decl_common): Remove mention of SGI o32 assembler.
8152         (mips_output_function_prologue): Remove !TARGET_GAS code.
8153         (mips_select_rtx_section): Remove !have_named_sections code.
8154         (mips_select_section): Delete.
8155         * config/mips/mips.md (trap): Remove !TARGET_GAS check.
8156         * config/mips/linux.h (TARGET_DEFAULT): Remove use of MASK_GAS.
8157         * config/mips/sdb.h (PUT_SDB_DEF, PUT_SDB_PLAIN_DEF): Delete.
8158         (PUT_SDB_BLOCK_START, PUT_SDB_BLOCK_END): Fold TARGET_GAS conditional.
8159         * config/mips/vxworks.h (ASM_SPEC): As for mips.h.
8160         * config/mips/windiss.h (ASM_SPEC): Likewise.
8161
8162 2004-08-23  Richard Sandiford  <rsandifo@redhat.com>
8163
8164         * read-rtl.c (map_value, mapping, macro_group): New structures.
8165         (BELLWETHER_CODE): New macro.
8166         (modes, codes, bellwether_codes): New variables.
8167         (find_mode, uses_mode_macro_p, apply_mode_macro, find_code)
8168         (uses_code_macro_p, apply_code_macro, apply_macro_to_string)
8169         (apply_macro_to_rtx, uses_macro_p, add_condition_to_string)
8170         (add_condition_to_rtx, apply_macro_traverse, add_mapping)
8171         (add_map_value, initialize_macros): New functions.
8172         (def_hash, def_hash_eq_p): Generalize to anything that points to,
8173         or starts with, a char * field.
8174         (find_macro, read_mapping, check_code_macro): New functions.
8175         (read_rtx_1): New, split out from read_rtx.  Handle the new
8176         define_{mode,code}_{macro,attr} constructs.  Use find_macro
8177         to parse the name of a code or mode.  Use BELLWETHER_CODE to
8178         extract the format and to choose a suitable code for rtx_alloc.
8179         Modify recursive invocations to use read_rtx_1.
8180         (read_rtx): Call initialize_macros.  Apply code and mode macros
8181         to the rtx returned by read_rtx_1.  Cache everything after the
8182         first macro expansion for subsequent read_rtx calls.
8183         * doc/md.texi: Document new .md constructs.
8184         * config/mips/mips.md (GPR): New mode macro.
8185         (d, si8_di5): New mode attributes.
8186         (any_cond): New code macro.
8187         (add[sd]i3): Redefine using :GPR.
8188         (*add[sd]i3): Likewise, renaming from add[sd]i3_internal.
8189         (*add[sd]i3_sp[12], *add<mode>3_mips16): Redefine using :GPR, naming
8190         previously unnamed MIPS16 patterns.
8191         (*addsi3_extended): Renamed from addsi3_internal_2.  Fix overly long
8192         lines.  Don't match (plus (const_int 0) ...).
8193         (*addsi3_extended_mips16): Name previously unnamed MIPS16 pattern.
8194         Use a define_split to generate the addition.
8195         (sub[sd]i3): Redefine using :GPR.  Turn subsi3 into a define_insn.
8196         (subsi3_internal): Delete.
8197         (*subsi3_extended): Renamed from subsi3_internal_2.
8198         (bunordered, bordered, bunlt, bunge, buneq, bltgt, bunle, bungt)
8199         (beq, bne, bgt, bge, blt, ble, bgtu, bgeu, bltu, bleu): Redefine
8200         using an any_cond template.
8201
8202 2004-08-23  Richard Sandiford  <rsandifo@redhat.com>
8203
8204         * read-rtl.c (read_rtx): Tidy use of format_ptr.
8205
8206 2004-08-23  Richard Sandiford  <rsandifo@redhat.com>
8207
8208         * read-rtl.c (string_obstack): New file-scope variable.
8209         (read_string, read_quoted_string, read_braced_string)
8210         (read_escape): Remove obstack parameter and use string_obstack instead.
8211         (read_rtx): Remove function-local rtl_obstack and initialize
8212         string_obstack instead.  Update call to read_string.
8213
8214 2004-08-22  Andrew Pinski  <apinski@apple.com>
8215
8216         PR c/15262
8217         * c-typeck.c (build_unary_op): Use &a.b if the foldded lowered
8218         expression is not constant.
8219         (c_finish_return): Do not go through INDIRECT_REF when looking
8220         for the inner expression of an ADDR_EXPR for warning about.
8221
8222 2004-08-22  Richard Henderson  <rth@redhat.com>
8223
8224         PR 17075
8225         * cfgexpand.c (expand_gimple_tailcall): Detect when we can both
8226         create new blocks and fall through.
8227         (expand_gimple_basic_block): Update to match.
8228
8229 2004-08-22  Ulrich Weigand  <uweigand@de.ibm.com>
8230
8231         * reload.c (find_reloads_address): Make return value tri-state.
8232         Return -1 if LEGITIMIZE_RELOAD_ADDRESS succeeded.
8233         (find_reloads): Assume that reloaded addresses match 'o' or
8234         EXTRA_MEMORY_CONSTRAINT constraints only if find_reloads_address
8235         returned 1 (not -1).  Omit optional reloads for address operands
8236         only if find_reloads_address returned 1 (not -1).
8237
8238         * config/s390/s390.c (legitimize_reload_address): New function.
8239         * config/s390/s390-protos.h (legitimize_reload_address): Declare.
8240         * config/s390/s390.h (LEGITIMIZE_RELOAD_ADDRESS): Define.  Call
8241         legitimize_reload_address.
8242
8243 2004-08-22  Richard Hendersion  <rth@redhat.com>
8244
8245         * tree.h (SAVE_EXPR_RESOLVED_P): New.
8246         * gimplify.c (gimplify_save_expr): Use it.
8247         * expr.c (expand_expr_real_1): Likewise.  Also set DECL_IGNORED_P
8248         on the temporary variable.
8249
8250 2004-08-22  Andrew Pinski  <pinskia@physics.uc.edu>
8251
8252         * fold-const.c (rtl_expr_nonnegative_p): Delete.
8253         * tree.h (rtl_expr_nonnegative_p): Remove.
8254
8255 2004-08-22  Steven Bosscher  <stevenb@suse.de>
8256
8257         * config/i386/ppro.md (ppro_complex_insn): Add missing check
8258         for cpu==pentiumpro.
8259
8260         * combine.c (struct reg_stat): Fix comment typo.
8261
8262 2004-08-22  Joseph S. Myers  <jsm@polyomino.org.uk>
8263
8264         * c-tree.h (c_sizeof_nowarn): Remove.
8265
8266 2004-08-21  Joseph S. Myers  <jsm@polyomino.org.uk>
8267
8268         * c-decl.c (set_array_declarator_type): Rename to
8269         set_array_declarator_inner.
8270         (build_c_parm, build_attrs_declarator, build_function_declarator):
8271         New functions.
8272         (make_pointer_declarator): Call build_attrs_declarator.
8273         * c-tree.h (set_array_declarator_type): Rename to
8274         set_array_declarator_inner.
8275         (build_c_parm, build_attrs_declarator, build_function_declarator):
8276         New prototypes.
8277         * c-parse.in (after_type_declarator,
8278         parm_declarator_starttypename, parm_declarator_nostarttypename,
8279         notype_declarator, absdcl_maybe_attribute, direct_absdcl1, parm,
8280         firstparm): Use these functions
8281
8282 2004-08-21  Joseph S. Myers  <jsm@polyomino.org.uk>
8283
8284         * c-decl.c (build_array_declarator, set_array_declarator_type,
8285         start_decl, grokdeclarator, grokparms): Change boolean parameters
8286         to type bool.
8287         * c-tree.h (build_array_declarator, set_array_declarator_type,
8288         start_decl): Update prototypes.
8289         * c-decl.c, c-parse.in: All callers changed.
8290
8291 2004-08-21  Mike Stump  <mrs@apple.com>
8292
8293         * config/rs6000/darwin.h (SUBTARGET_OPTIONS): Move from here, to...
8294         (darwin_fix_and_continue): Likewise.
8295         (darwin_fix_and_continue_switch): Likewise.
8296         * config/darwin.h (SUBTARGET_OPTIONS): ...here, to fix -mone-byte-bool.
8297         (darwin_fix_and_continue): Likewise.
8298         (darwin_fix_and_continue_switch): Likewise.
8299
8300 2004-08-21  Danny Smith  <dannysmith@users.sourceforge.net>
8301
8302         PR  c++/16030
8303         * config/i386/winnt/c (gen_stdcall_suffix, gen_fastcall_suffix):
8304         Remove, merging into ...
8305         (gen_stdcall_or_fastcall_suffix): New function, returning tree
8306         rather than const char*, and accepting additional parameter.
8307         Don't add suffix to '*'-prefixed symbols or variadic functions.
8308         (i386_pe_encode_section_info): Adjust for call to new function.
8309         Call change_decl_assembler_name.
8310
8311 2004-08-20  Mike Stump  <mrs@apple.com>
8312
8313         * config/darwin.c (machopic_indirect_data_reference): Mark
8314         stubs as defined.
8315         * config/386/386.c (darwin_local_data_pic): Add.
8316         (legitimate_constant_p): Reorder so that PLUS handling runs
8317         before darwin_local_data_pic to match the ordering in
8318         legitimate_pic_address_disp_p and so that MINUS runs after
8319         darwin_local_data_pic as otherwise the darwin_local_data_pic
8320         logic can be skipped, which would be very bad.
8321         (legitimate_pic_address_disp_p): Move from from here to
8322         darwin_local_data_pic so it can be reused.
8323
8324 2004-08-21  Alan Modra  <amodra@bigpond.net.au>
8325
8326         * config/rs6000/linux64.h (DOT_SYMBOLS): Define.
8327         (CRT_CALL_STATIC_FUNCTION): Define !DOT_SYMBOLS version.
8328         (ASM_DECLARE_FUNCTION_SIZE): Modify for !DOT_SYMBOLS.
8329         (ASM_OUTPUT_SOURCE_LINE, DBX_OUTPUT_BRAC, DBX_OUTPUT_NFUN): Likewise.
8330         (RS6000_ABI_NAME): Define as "linux".
8331         (SUBSUBTARGET_OVERRIDE_OPTIONS): Set dot_symbols.
8332         * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Select
8333         ABI_AIX when rs6000_abi_name is "linux" and TARGET_64BIT.
8334         * config/rs6000/rs6000-protos.h (rs6000_output_function_entry): Decl.
8335         * config/rs6000/rs6000.c (dot_symbols): New global var.
8336         (rs6000_output_function_entry): New function, modified for
8337         !DOT_SYMBOLS..
8338         (print_operand <case 'z'>): ..extracted from here.
8339         (rs6000_assemble_visibility): Modify for !DOT_SYMBOLS.
8340         (rs6000_output_function_epilogue): Likewise.
8341         (rs6000_elf_declare_function_name): Likewise.
8342         * config/rs6000/rs6000.h (DOT_SYMBOLS): Define.
8343         (ASM_WEAKEN_DECL, ASM_OUTPUT_DEF_FROM_DECLS): Modify for !DOT_SYMBOLS.
8344         * configure.ac (HAVE_LD_NO_DOT_SYMS): Add new AC_DEFINE.
8345         * configure: Regenerate.
8346         * config.in: Regenerate.
8347
8348 2004-08-20  Mark Mitchell  <mark@codesourcery.com>
8349
8350         * reload.c (find_reloads_address): Fix thinko in previous change.
8351
8352         * reload.c (find_reloads_address): Reload the sum of a LO_SUM and
8353         a CONST_INT.
8354
8355 2004-08-20  Jakub Jelinek  <jakub@redhat.com>
8356
8357         PR rtl-optimization/17099
8358         * combine.c (force_to_mode): Check if inner_mask has any bits set
8359         outside of GET_MODE (x) instead of op_mode.
8360
8361 2004-08-20  Mark Mitchell  <mark@codesourcery.com>
8362
8363         * config.gcc (arm*-*-symbianelf*): Add t-symbian Makefile
8364         fragment.
8365         * config/arm/bpabi.h (RENAME_LIBRARY_SET): Fix typo.
8366         (SUBTARGET_EXTRA_ASM_SPEC): Pass -meabi=3 to the assembler.
8367         * config/arm/symbian.h (SUBTARGET_CPU_DEFAULT): Assume ARMV5
8368         architecture.
8369         (SUBTARGET_ASM_FLOAT_SPEC): Default to -mfpu=vfp for hard-float
8370         configurations.
8371         * config/arm/t-symbian: New file.
8372
8373 2004-08-20  Andrew Pinski  <apinski@apple.com>
8374
8375         * regrename.c (kill_value_regno): ANSIfy.
8376
8377 2004-08-20  Dale Johannesen  <dalej@apple.com>
8378
8379         * config/rs6000/rs6000.c (rs6000_rtx_costs): Improve DIV/MOD.
8380
8381 2004-08-20  Daniel Jacobowitz  <dan@debian.org>
8382
8383         * regrename.c (kill_value_one_regno): Renamed from kill_value_regno.
8384         (kill_value_regno): New function, derived from kill_value.
8385         (kill_value): Update.
8386         (copyprop_hardreg_forward_1): Update call to kill_value_regno.
8387
8388 2004-08-20  Daniel Berlin  <dberlin@dberlin.org>
8389
8390         Fix PR tree-optimization/17111
8391         * tree-ssa-pre.c (create_value_expr_from): Don't change the types
8392         of non-value_handles.
8393         (bitmap_set_contains): All constants are in every set.
8394
8395 2004-08-20  Nathan Sidwell  <nathan@codesourcery.com>
8396
8397         * fold-const.c (round_up, round_down): Use build_int_cst.
8398         Optimize common case.
8399
8400 2004-08-20  Zack Weinberg  <zack@codesourcery.com>
8401             John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
8402
8403         * config/pa/pa-protos.h (readonly_data, one_only_readonly_data_section,
8404         one_only_data_section): Rename to som_readonly_data_section,
8405         som_one_only_readonly_data_section and som_one_only_data_section.
8406         * config/pa/pa.c (ONE_ONLY_TEXT_SECTION_ASM_OP,
8407         NEW_TEXT_SECTION_ASM_OP, DEFAULT_TEXT_SECTION_ASM_OP): Delete
8408         conditional defines.
8409         (som_text_section_asm_op): Replace ONE_ONLY_TEXT_SECTION_ASM_OP,
8410         NEW_TEXT_SECTION_ASM_OP and DEFAULT_TEXT_SECTION_ASM_OP with actual
8411         string values.
8412         (pa_select_section): Use renamed section functions.
8413         * config/pa/pa.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS,
8414         SOM_READONLY_DATA_SECTION_FUNCTION,
8415         SOM_ONE_ONLY_READONLY_DATA_SECTION_FUNCTION,
8416         SOM_ONE_ONLY_DATA_SECTION_FUNCTION, FORGET_SECTION_FUNCTION):
8417         Define here ...
8418         * config/pa/som.h: ... not here.
8419         (DEFAULT_TEXT_SECTION_ASM_OP, NEW_TEXT_SECTION_ASM_OP,
8420         ONE_ONLY_TEXT_SECTION_ASM_OP, READONLY_DATA_ASM_OP,
8421         ONE_ONLY_READONLY_DATA_SECTION_ASM_OP,
8422         ONE_ONLY_DATA_SECTION_ASM_OP): Delete.
8423         (READONLY_DATA_SECTION): Use som_readonly_data_section.
8424
8425 2004-08-20  Nathan Sidwell  <nathan@codesourcery.com>
8426
8427         * fold-const.c (int_const_binop): Don't generate non-overflowing
8428         size-types specially.
8429         (fold_convert_const): Likewise.
8430
8431         * stor-layout.c (initialize_sizetypes): Set SIZETYPE earlier,
8432         clear cache on copied sizetype.
8433
8434 2004-08-20  Ben Elliston  <bje@au.ibm.com>
8435
8436         * configure.ac: Don't escape apostrophe in --enable-coverage help.
8437         * configure: Regenerate.
8438
8439 2004-08-20  Danny Smith  <dannysmith@users.sourceforge.net>
8440
8441         PR 5620
8442         * gcc.c (struct stat input_stat): Don't define if
8443         HOST_LACKS_INODE_NUMBERS
8444         (do_spec_1): If HOST_LACKS_INODE_NUMBERS, use lrealpath rather
8445         than stat to determine if temp file is same as input file.
8446         * doc/hostconfig.texi: Document HOST_LACKS_INODE_NUMBERS.
8447         * config/i386/xm-mingw32.h: Define HOST_LACKS_INODE_NUMBERS
8448
8449 2004-08-20  Richard Sandiford  <rsandifo@redhat.com>
8450
8451         * configure.ac (mips*-*-*): Print an error if not using GAS.
8452         * configure: Regenerated.
8453         * doc/install.texi: Remove irix5 bullet from --with-gnu-as.  Remove
8454         comments about buggy MIPSpro assemblers.
8455         * config.gcc (mips-sgi-irix[56]*): Combine stanzas.  Include elfos.h
8456         before mips.h and iris.h after it.  Use t-iris and t-slibgcc-irix.
8457         Use iris5.h only for IRIX 5 configs.  Use iris6.h and t-iris6 for
8458         IRIX 6 configs.  Define IRIX_USING_GNU_LD if using GNU ld.
8459         * config/mips/iris5.h (TARGET_IRIX, SWITCHES_NEED_SPACES)
8460         (DEFAULT_SIGNED_CHAR, WORD_SWITCH_TAKES_ARG, SUBTARGET_CC1_SPEC)
8461         (NO_IMPLICIT_EXTERN_C, MIPS_DEFAULT_GVALUE)
8462         (TARGET_ASM_EXTERNAL_LIBCALL): Move to iris.h.
8463         (WCHAR_TYPE, WCHAR_TYPE_SIZE, TARGET_OS_CPP_BUILTINS): Delete in favor
8464         of more general IRIX 6 definitions.
8465         (OBJECT_FORMAT_ELF, ASM_OUTPUT_ASCII, ASM_WEAKEN_LABEL)
8466         (HANDLE_SYSV_PRAGMA): Delete in favor of elfos.h definitions.
8467         (TARGET_IRIX5, ABICALLS_ASM_OP, BSS_SECTION_ASM_OP, HAS_INIT_SECTION)
8468         (LD_INIT_SWITCH, LD_FINI_SWITCH, SUBTARGET_ASM_OPTIMIZING_SPEC)
8469         (ASM_FINAL_SPEC, DBX_DEBUGGING_INFO, MIPS_DEBUGGING_INFO)
8470         (PREFERRED_DEBUGGING_TYPE, DWARF2_UNWIND_INFO, SET_FILE_NUMBER)
8471         (LABEL_AFTER_LOC, DOLLARS_IN_IDENTIFIERS, NO_DOLLAR_IN_LABEL)
8472         (TARGET_ASM_NAMED_SECTION, EXTRA_SECTION_FUNCTIONS)
8473         (ASM_DECLARE_FUNCTION_SIZE, ASM_OUTPUT_WEAK_ALIAS)
8474         (SUBTARGET_EXTRA_SPECS): Delete definitions or undefs.
8475         (LINK_SPEC): Move most of definition to iris.h.
8476         (SUBTARGET_LINK_SPEC): New macro.
8477         (IRIX_STARTFILE_SPEC): Fold into...
8478         (STARTFILE_SPEC): ...here.
8479         (IRIX_ENDFILE_SPEC): Fold into...
8480         (ENDFILE_SPEC): ...here.
8481         * config/mips/iris6.h (TARGET_IRIX5): Remove override.
8482         (WCHAR_TYPE, WCHAR_TYPE_SIZE, WINT_TYPE, WINT_TYPE_SIZE)
8483         (DWARF_OFFSET_SIZE, DWARF_INITIAL_LENGTH_SIZE, SET_ASM_OP)
8484         (LINK_ELIMINATE_DUPLICATE_LDIRECTORIES, ASM_DECLARE_OBJECT_NAME)
8485         (ASM_FINISH_DECLARE_OBJECT, LOCAL_LABEL_PREFIX): Move to iris.h.
8486         (TARGET_OS_CPP_BUILTINS): Likewise.  Guard IRIX6-specific bits.
8487         (DWARF2_UNWIND_INFO, DWARF2_GENERATE_TEXT_SECTION_LABEL)
8488         (SUBTARGET_CPP_SPEC, DWARF2_DEBUGGING_INFO, MIPS_DEBUGGING_INFO)
8489         (PREFERRED_DEBUGGING_TYPE, DWARF2_FRAME_INFO, MD_EXEC_PREFIX)
8490         (ASM_DECLARE_FUNCTION_NAME, ASM_DECLARE_FUNCTION_SIZE)
8491         (FUNCTION_NAME_ALREADY_DECLARED, SUPPORTS_INIT_PRIORITY)
8492         (POPSECTION_ASM_OP, SUBTARGET_ASM_SPEC, SUBTARGET_MIPS_AS_ASM_SPEC)
8493         (SUBTARGET_ASM_DEBUGGING_SPEC, SUBTARGET_ASM_OPTIMIZING_SPEC)
8494         (BSS_SECTION_ASM_OP*, READONLY_DATA_SECTION_ASM_OP*)
8495         (EH_FRAME_SECTION_NAME, MUST_USE_SJLJ_EXCEPTIONS, CTORS_SECTION_ASM_OP)
8496         (DTORS_SECTION_ASM_OP, TARGET_ASM_NAMED_SECTION, EH_FRAME_SECTION_NAME)
8497         (ASM_OUTPUT_ALIGN, ASM_OUTPUT_FILENAME, ASM_OUTPUT_ALIGNED_LOCAL)
8498         (ASM_OUTPUT_ALIGNED_BSS): Remove definitions or undefs.
8499         (TARGET_IRIX6): Define to 1.
8500         (DRIVER_SELF_SPECS): Define.
8501         (DWARF2_FRAME_INFO): Define to 1 rather than !TARGET_SGI_O32_AS.
8502         (SUBTARGET_CC1_SPEC): Remove in favor of DRIVER_SELF_SPECS.
8503         (SUBTARGET_LINK_SPEC): New macro.
8504         (IRIX_STARTFILE_SPEC): Fold into...
8505         (STARTFILE_SPEC): ...here.  Remove !mabi=* case.
8506         (SUBTARGET_{,DONT_}WARN_UNUSED_SPEC): New macros.
8507         (LIB_SPEC, LIBGCC_SPEC): Use them.
8508         (LIB_SPEC): Remove !mabi=* case.
8509         (IRIX_ENDFILE_SPEC): Fold into...
8510         (ENDFILE_SPEC): ...here.  Remove !mabi=* case.
8511         * config/mips/mips-protos.h (irix_output_external_libcall): Delete.
8512         * config/mips/mips.h (TARGET_IRIX5, TARGET_SGI_O32_AS): Delete.
8513         (TARGET_IRIX6): New macro.
8514         (ASM_ABI_DEFAULT_SPEC): Remove !ELF definition.
8515         (MD_EXEC_PREFIX, MD_STARTFILE_PREFIX, SET_FILE_NUMBER)
8516         (LABEL_AFTER_LOC): Delete.
8517         * config/mips/mips.c (TARGET_ASM_FILE_START, TARGET_ASM_FILE_END)
8518         (TARGET_SECTION_TYPE_FLAGS): Remove TARGET_IRIX versions.
8519         (mips_build_builtin_va_list): Check TARGET_IRIX6.
8520         (override_options): Remove TARGET_SGI_O32_AS-related code.
8521         (irix_output_external_libcall): Make static.
8522         (mips_output_filename): Avoid use of SET_FILE_NUMBER and
8523         LABEL_AFTER_LOC.
8524         (mips_file_start): Tidy guard for ABI sections.  Remove use of
8525         ABICALLS_ASM_OP; use .abicalls instead.
8526         (mips_output_aligned_decl_common, mips_declare_object_name)
8527         (mips_finish_declare_object): Remove use of TARGET_SGI_O32_AS.
8528         (mips_output_function_prologue): Set TREE_ASM_WRITTEN if emitting
8529         .globl foo .text directives.
8530         (irix_asm_named_section_1, irix_asm_named_section)
8531         (irix_section_align_entry, irix_section_align_htab)
8532         (irix_orig_asm_out_file, irix_section_align_entry_eq)
8533         (irix_section_align_entry_hash, irix_asm_output_align)
8534         (irix_file_start, irix_section_align_1, copy_file_data)
8535         (irix_file_end, irix_section_type_flags): Delete.
8536         * config/mips/irix-crti.asm (__gcc_init): Move to .gcc_init section.
8537         Use standard section syntax.  Remove protective "jr $31".
8538         (__gcc_fini): Likewise .gcc_fini.
8539         * config/mips/irix-crtn.asm: Adjust sections accordingly.
8540         * config/mips/sdb.h (PUT_SDB_SIZE, PUT_SDB_TYPE): Moved from
8541         iris5gas.h.
8542         * config/mips/t-iris (irix-crti.o, irix-crtn.o): New rules, moved
8543         from t-irix-gld.
8544         (EXTRA_MULTILIB_PARTS): Define.
8545         * config/mips/t-iris6: Remove bogus comment.
8546         (EXTRA_MULTILIB_PARTS, CRTSTUFF_T_CFLAGS): Delete.
8547         * config/mips/iris5gas.h, config/mips/iris5gld.h,
8548         config/mips/iris6gas.h, config/mips/iris6gld.h,
8549         config/mips/t-iris5-as, config/mips/t-iris5-gas
8550         config/mips/t-irix-gld: Delete.
8551         * config/mips/iris.h: New file.
8552         * config/mips/t-slibgcc-irix: Renamed from t-iris5-6.
8553
8554 2004-08-20  Richard Earnshaw  <rearnsha@arm.com>
8555
8556         * postreload.c (reload_cse_move2add): Allow any condjump, but check
8557         that the implicit set isn't clobbered in the jump insn.
8558
8559 2004-08-19  Mark Mitchell  <mark@codesourcery.com>
8560
8561         * defaults.h (TARGET_LIBGCC_LIBFUNCS): Remove.
8562         * optabs.c (init_optabs): Don't check it.
8563         * config/arm/bpabi.h (TARGET_LIBGCC_LIBFUNCS): Do not define.
8564         * doc/tm.texi (TARGET_LIBGCC_FUNCS): Remove.
8565
8566 2004-08-18  Andreas Krebbel  <krebbel1@de.ibm.com>
8567
8568         * config/s390/s390.md (s390_warn_framesize_string)
8569         (s390_warn_dynamic_string, s390_stack_size_string)
8570         (s390_stack_guard_string): New global string variables.
8571         (s390_warn_framesize, s390_warn_dynamicstack_p, s390_stack_size)
8572         (s390_stack_guard): New global variables.
8573         (override_options): Added checks for the new options.
8574         (s390_emit_prologue): Emit stack check and trap code and perform
8575         compile time stack size checking.
8576
8577         * config/s390/s390.h (TARGET_OPTIONS): Added new options
8578         "warn-framesize", "warn-dynamicstack", "stack-size" and
8579         "stack-guard".
8580
8581         * doc/invoke.texi: Added documentation for the new options.
8582
8583 2004-08-19  Ulrich Weigand  <uweigand@de.ibm.com>
8584
8585         * unwind-dw2-fde.c (get_cie_encoding): Cast argument to strlen
8586         to eliminate warning.
8587         (linear_search_fdes): Declare p as unsigned.
8588         (binary_search_mixed_encoding_fdes): Likewise.
8589         * unwind-dw2.c (get_cie_encoding): Cast argument to strlen
8590         to eliminate warning.
8591         * config/s390/linux.h (MD_FALLBACK_FRAME_STATE_FOR): Add missing
8592         type cast.
8593
8594 2004-08-19  Ulrich Weigand  <uweigand@de.ibm.com>
8595
8596         * config/s390/s390-protos.h (preferred_la_operand_p): Adapt prototype.
8597         * config/s390/s390.c (preferred_la_operand_p): Accept two operands
8598         instead of one.  Check for strictly legitimate address.
8599         * config/s390/s390.md ("*la_31"/"*la_64" peepholes): Adapt call
8600         to preferred_la_operand_p, do not call gen_rtx_PLUS in predicate.
8601
8602 2004-08-19  Eric Christopher  <echristo@redhat.com>
8603
8604         * langhooks-def.h (LANG_HOOKS_UNSAVE_EXPR_NOW): Remove.
8605         * langhooks.h (unsave_expr_now): Ditto.
8606         * tree.h (unsave_expr_1): Remove prototype.
8607         (lhd_unsave_expr_now): Rename to unsave_expr_now.
8608         * tree-inline.c (unsave_expr_1): Move here
8609         from tree.c. Make static.
8610         (unsave_expr_now): Rename from lhd_unsave_expr_now.
8611         * tree-sra.c: Fix up for rename.
8612         * tree-ssa-copy.c: Ditto.
8613         * tree-eh.c: Ditto.
8614         * tree.c (unsave_expr_1): Move to tree-inline.c.
8615
8616 2004-08-19  Caroline Tice  <ctice@apple.com>
8617
8618         * config/i386/cygming.h (switch_to_section):  Fix typo (change
8619         in_unlikely_text_section to in_unlikely_executed_text).
8620
8621 2004-08-19  Daniel Berlin  <dberlin@dberlin.org>
8622
8623         * vec.h (VEC_lower_bound): New macro.
8624
8625 2004-08-19  Richard Sandiford  <rsandifo@redhat.com>
8626
8627         PR target/16446
8628         * config/mips/mips.c (struct mips_arg_info): Delete num_bytes.
8629         (mips_arg_info): Update accordingly.  Remove common treatment of fpr_p;
8630         treat each ABI separately.  Deal with n32/n64 complex float arguments.
8631         (function_arg): Add associated complex handling here.
8632
8633 2004-08-19  Richard Henderson  <rth@redhat.com>
8634
8635         * config/arm/arm.c (arm_gen_load_multiple): Use
8636         adjust_automodify_address.  Take base memory and offset instead
8637         of unchanging/struct/scalar bits.
8638         (arm_gen_store_multiple): Likewise.
8639         (arm_gen_movmemqi): Use adjust_automodify_address.
8640         * config/arm/arm-protos.h: Update decls.
8641         * config/arm/arm.md (load_multiple): Update arm_gen_load_multiple call.
8642         (store_multiple): Similarly.
8643
8644 2004-08-19  J"orn Rennecke <joern.rennecke@superh.com>
8645
8646         * regclass.c (globalize_reg): Update call_really_used_regs.
8647
8648 2004-08-19  Nathan Sidwell  <nathan@codesourcery.com>
8649
8650         * doc/invoke.texi (integer-share-limit): Document.
8651
8652         * tree.h (TYPE_CACHED_VALUES_P): New.
8653         (TYPE_CACHED_VALUES): New.
8654         (TYPE_ORIG_SIZE_TYPE): Adjust.
8655         * tree.def (INTEGER_CST): Update documentation.
8656         * tree.c: Inlcude params.h.
8657         (build_int_cst): Cache small values.
8658         (build_type_copy): Do not copy the value cache.
8659         * c-common.c (c_common_nodes_and_builtins): Add comment, remove
8660         unneeded zeroing.
8661         * c-typeck.c (build_c_cast): Add comment about OVERFLOW setting.
8662         * expmed.c (const_mult_add_overflow_p): Clear type copy's value
8663         cache.
8664         * fold-const.c (force_fit_type): Copy value when setting
8665         overflows.
8666         (int_const_binop): Likewise.
8667         * stor-layout.c: Include params.h
8668         (set_sizetype): Create values cache.
8669         (fixup_unsigned_type): Set UNSIGNED_P before caching any values.
8670         * params.def (PARAM_INTEGER_SHARE_LIMIT): New.
8671         * params.h (INTEGER_SHARE_LIMIT): New.
8672         * Makefile.in (tree.o, stor-layout.o): Depend on PARAMS_H.
8673
8674 2004-08-19  Paolo Bonzini  <bonzini@gnu.org>
8675
8676         * gimplify.c (gimplify_minimax_expr): Remove.
8677         (gimplify_expr) <MIN_EXPR, MAX_EXPR>: Remove special handling.
8678
8679 2004-08-19  Dorit Naishlos  <dorit@il.ibm.com>
8680
8681         * tree-vectorizer.c (vect_can_force_dr_alignment_p): Replace
8682         STACK_BOUDARY with PREFERRED_STACK_BOUNDARY.
8683
8684 2004-08-19  Mark Mitchell  <mark@codesourcery.com>
8685
8686         * bpabi.h (FPUTYPE_DEFAULT): Set it to FPUTYPE_VFP.
8687
8688 2004-08-18  Andrew Pinski  <apinski@apple.com>
8689
8690         * varasm.c (ecode_reg_name): Do nothing if the asmspec is empty.
8691
8692 2004-08-18  Mark Mitchell  <mark@codesourcery.com>
8693
8694         * config/arm/bpabi.c (__aeabi_ul2d): Give it default visibility.
8695         (__aeabi_ul2f): Likewise.
8696
8697 2004-08-18  Richard Henderson  <rth@redhat.com>
8698
8699         * config/xtensa/xtensa.c (xtensa_expand_block_move): Expand block
8700         move to rtl completely.
8701         (struct meminsnbuf, xtensa_emit_block_move): Remove.
8702         (xtensa_find_mode_for_size): Remove.
8703         * config/xtensa/xtensa-protos.h (xtensa_emit_block_move): Remove.
8704         * config/xtensa/xtensa.md (movmemsi_internal): Remove.
8705
8706 2004-08-18  Richard Henderson  <rth@redhat.com>
8707
8708         * config/mcore/mcore.c (mode_from_align): Remove DImode.
8709         (block_move_sequence): Rewrite to use adjust_address.
8710         (mcore_expand_block_move): Cleanup logic.  Accept only operands.
8711         Return boolean indicating success/failure.
8712         * config/mcore/mcore-protos.h (mcore_expand_block_move): Update decl.
8713         * config/mcore/mcore.md (movmemsi): Update to match.
8714
8715 2004-08-18  Mike Stump  <mrs@apple.com>
8716
8717         * doc/invoke.texi (-mfix-and-continue): Add support for
8718         fast turn around debugging.
8719         (-ffix-and-continue): Likewise.
8720         (-mindirect-data): Likewise.
8721         (-findirect-data): Likewise.
8722         * config/darwin.c (TARGET_FIX_AND_CONTINUE): Likewise.
8723         (indirect_data): Likewise.
8724         (machopic_data_defined_p): Likewise.
8725         (machopic_output_indirection): Likewise.
8726         (darwin_encode_section_info): Likewise.
8727         (darwin_fix_and_continue): Likewise.
8728         (darwin_fix_and_continue_switch): Likewise.
8729         * config/darwin.h (MACHO_SYMBOL_STATIC): Likewise.
8730         * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Likewise.
8731         (SUBTARGET_OPTION_TRANSLATE_TABLE): Likewise.
8732         (SUBTARGET_OPTIONS): Likewise.
8733         (darwin_fix_and_continue): Likewise.
8734         (darwin_fix_and_continue_switch): Likewise.
8735         (TARGET_FIX_AND_CONTINUE): Likewise.
8736         * config/rs6000.c (rs6000_emit_prologue): Likewise.
8737
8738 2004-08-19  Steven Bosscher  <stevenb@suse.de>
8739
8740         * basic-block.h (struct edge_def): Remove crossing_edge.
8741         (EDGE_CROSSING): New define.
8742         (EDGE_ALL_FLAGS): Update.
8743         * bb-reorder.c (find_traces_1_round, better_edge_p,
8744         find_rarely_executed_basic_blocks_and_cr, fix_up_fall_thru_edges,
8745         find_jump_block, fix_crossing_conditional_branches,
8746         fix_crossing_unconditional_branches, add_reg_crossing_jump_notes):
8747         Replace all occurences of crossing_edge with an edge flag check
8748         or set/reset.
8749         * cfgcleanup.c (try_simplify_condjump, try_forward_edges,
8750         try_crossjump_bb): Likewise.
8751         * cfglayout.c (fixup_reorder_chain): Likewise.
8752         * cfgrtl.c (force_nonfallthru_and_redirect,
8753         commit_one_edge_insertion): Likewise.
8754
8755         * Makefile.in (cfganal.o): Depend on TIMEVAR_H.
8756         * tree-flow.h (compute_dominance_frontiers): Move prototype...
8757         * basic-block.h:  ...here.
8758         * tree-cfg.c (compute_dominance_frontiers_1,
8759         compute_dominance_frontiers): Move from here...
8760         * cfganal.c: ...to here.  Include timevar.h.
8761
8762 2004-08-18  James E Wilson  <wilson@specifixinc.com>
8763
8764         * config/mips/mips.h (ASM_SPEC): In comment, change -meabi= to -mabi=.
8765         * config/mips/sb1.md (ir_sb1_divsf_1pipe): Renamed from ...1pipes.
8766
8767         * config/mips/mips.md (type): Add frdiv.
8768         (divsf3+1, divsf3+2): Change type to frdiv.
8769         * config/mips/sb1.md (ir_sb1_recipsf_2pipes, ir_sb1_recipsf_1pipe,
8770         ir_sb1_recipdf_2pipes, ir_sb1_recipdf_1pipe): New.
8771
8772         * config/mips/3000.md (r3k_fdiv_single, r3k_fdiv_double): Add frdiv.
8773         * config/mips/4300.md (r4300_fdiv_single, r4300_fdiv_double): Likewise.
8774         * config/mips/4600.md (r4600_fdiv_single, f4600_fdiv_double): Likewise.
8775         * config/mips/5000.md (r5k_fdiv_single): Likewise.
8776         * config/mips/5400.md (ir_vr54_fdiv_sf, ir_vr54_fdiv_df): Likewise.
8777         * config/mips/5500.md (ir_vr55_fdiv_sf, ir_vr55_fdiv_df): Likewise.
8778         * config/mips/6000.md (r6k_fdiv_single, r6k_fdiv_double): Likewise.
8779         * config/mips/7000.md (rm7_fp_divsqrt_df, rm7_fp_divsqrt_sf): Likewise.
8780         * config/mips/9000.md (rm8k_fdivs, rm9k_fdivd): Likewise.
8781         * config/mips/generic.md (generic_fdiv_single, generic_fdiv_double):
8782         Likewise.
8783         * config/mips/sr71k.md (ir_sr70_fdiv_sf, ir_sr70_fdiv_df): Likewise.
8784
8785 2004-08-18  Robert Bowdidge <bowdidge@apple.com>
8786
8787         * config/rs6000/x-darwin: Remove XCFLAGS -mdynamic-no-pic to
8788         get regression tester working again.
8789
8790 2004-08-18  Zack Weinberg  <zack@codesourcery.com>
8791
8792         * insn-notes.def, reg-notes.def: New files.
8793         * rtl.h: Use them to define enum insn_note and enum reg_note.
8794         * rtl.c: Use them to define note_insn_name and reg_note_name.
8795         * Makefile.in (RTL_BASE_H): Update.
8796
8797         * modulo-sched.c, sched-rgn.c, final.c: NOTE_DISABLE_SCHED_OF_BLOCK
8798         renamed to NOTE_INSN_DISABLE_SCHED_OF_BLOCK.
8799
8800 2004-08-18  Richard Earnshaw  <rearnsha@arm.com>
8801
8802         * arm.c (arm_size_rtx_costs): New function.
8803         (arm_override_options): Use it if optimizing for space.
8804
8805 2004-08-18  Richard Henderson  <rth@redhat.com>
8806
8807         * emit-rtl.c (gen_const_mem): New.
8808         * rtl.h (gen_const_mem): Declare.
8809         * expr.c (do_tablejump): Use it.
8810         * varasm.c (force_const_mem): Likewise.
8811         * config/darwin.c (machopic_indirect_data_reference): Likewise.
8812         (machopic_legitimize_pic_address): Likewise.
8813         * config/arm/arm.c (legitimize_pic_address): Likewise.
8814         * config/i386/i386.c (legitimize_pic_address): Likewise.
8815         (legitimize_tls_address): Likewise.
8816         * config/ia64/ia64.c (ia64_expand_tls_address): Likewise.
8817         * config/ia64/ia64.md (load_fptr): Likewise.
8818         * config/m32r/m32r.c (m32r_legitimize_pic_address): Likewise.
8819         * config/pa/pa.c (legitimize_pic_address): Likewise.
8820         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Likewise.
8821         (rs6000_emit_move): Likewise.
8822         * config/s390/s390.c (legitimize_pic_address): Likewise.
8823         (legitimize_tls_address): Likewise.
8824         * config/s390/s390.md (casesi): Likewise.
8825         * config/sh/sh.c (sh_reorg): Likewise.
8826         * config/sparc/sparc.c (legitimize_pic_address): Likewise.
8827         * config/v850/v850.md (casesi): Likewise.
8828
8829         * config/darwin.c (machopic_indirect_call_target): Set MEM_NOTRAP_P.
8830         * config/sh/sh.c (prepare_move_operands): Remove incorrect
8831         use of MEM_READONLY_P.
8832
8833 2004-08-18  Steven Bosscher  <stevenb@suse.de>
8834
8835         * Makefile.in (OBJS-common): Add postreload-gcse.c.
8836         Add new postreload-gcse.o.
8837         * cse.c (SAFE_HASH): Define as wrapper around safe_hash.
8838         (lookup_as_function, insert, rehash_using_reg, use_related_value,
8839         equiv_constant): Use SAFE_HASH instead of safe_hash.
8840         (exp_equiv_p): Export.  Add for_gcse argument when comparing
8841         for GCSE.
8842         (lookup, lookup_for_remove, merge_equiv_classes, find_best_addr,
8843         find_comparison_args, fold_rtx, cse_insn): Update callers.
8844         (hash_rtx): New function derived from old canon_hash and bits
8845         from gcse.c hash_expr_1.
8846         (canon_hash_string): Rename to hash_rtx_string.
8847         (canon_hash, safe_hash): Make static inline.  Call hash_rtx.
8848         * cselib.c (hash_rtx): Rename to cselib_hash_rtx.
8849         (cselib_lookup): Update this caller.
8850         * gcse.c (modify_mem_list_set, canon_modify_mem_list_set):
8851         Make static.
8852         (hash_expr): Call hash_rtx.
8853         (ldst_entry): Likewise.
8854         (expr_equiv_p): Call exp_equiv_p.
8855         (struct unoccr, hash_expr_1, hash_string_1, lookup_expr,
8856         reg_used_on_edge, reg_set_between_after_reload_p,
8857         reg_used_between_after_reload_p, get_avail_load_store_reg,
8858         is_jump_table_basic_block, bb_has_well_behaved_predecessors,
8859         get_bb_avail_insn, hash_scan_set_after_reload,
8860         compute_hash_table_after_reload,
8861         eliminate_partially_redundant_loads, gcse_after_reload,
8862         get_bb_avail_insn, gcse_after_reload_main): Remove.
8863         * postreload-gcse.c: New file, reincarnating most of the above.
8864         * rtl.h (exp_equiv_p, hash_rtx): New prototypes.
8865         (gcse_after_reload_main): Update prototype.
8866         * timevar.def (TV_GCSE_AFTER_RELOAD): New timevar.
8867         * passes.c (rest_of_handle_gcse2): Use it.
8868
8869 2004-08-18  Diego Novillo  <dnovillo@redhat.com>
8870
8871         * tree-ssa-loop.c (pass_loop_init): Add TODO_dump_func.
8872         (pass_loop_done): Likewise.
8873
8874 2004-08-18  Andrew Pinski  <apinski@apple.com>
8875
8876         * config/rs6000/darwin.md: Delete the altivec patterns which are
8877         handled differently now.
8878         (load_macho_picbase_di): Make sure that is only happens for TARGET_64BIT
8879         (macho_correct_pic_di): Likewise.
8880         (call_indirect_nonlocal_darwin64): Likewise.
8881         Delete the save world/saveFP/saveVec patterns.
8882
8883         Revert the reversion of: 2004-08-16  Stan Shebs  <shebs@apple.com>
8884         * config/darwin.c (macho_indirect_data_reference): Add DImode case.
8885         * config/rs6000/rs6000.md: Include darwin.md.
8886         (builtin_setjmp_receiver): Add DImode case.
8887         * config/rs6000/rs6000.c (rs6000_emit_move): Add DImode case to
8888         Darwin bits.
8889
8890 2004-08-18  Matt Austern  <austern@apple.com>
8891
8892         Dead code stripping
8893         * darwin.h (EH_FRAME_SECTION_ATTR): Mark so it doesn't get stripped.
8894         * darwin.c (darwin_file_end): Mark file as potentially strippable.
8895
8896 2004-08-18  Richard Henderson  <rth@redhat.com>
8897
8898         * alias.c (readonly_fields_p): Remove.
8899         (objects_must_conflict_p): Don't call it.
8900         * tree.h (readonly_fields_p): Remove.
8901         * langhooks.h (struct lang_hooks): Remove honor_readonly.
8902         * langhooks-def.h (LANG_HOOKS_HONOR_READONLY): Remove.
8903
8904 2004-08-18  Diego Novillo  <dnovillo@redhat.com>
8905
8906         * tree-dfa.c (add_referenced_var): Only global variables are
8907         call-clobbered.
8908         * tree-flow.h (struct ptr_info_def): Add field pt_global_mem.
8909         * tree-ssa-alias.c (compute_points_to_and_addr_escape): Mark
8910         all pointers dereferenced if the statement dereferences them.
8911         (create_name_tags): Do not create memory tags for pointers
8912         that have PT_ANYTHING set.
8913         Also check if PT_VARS is not empty before creating a name tag.
8914         (compute_flow_sensitive_aliasing): Don't mark call-clobbered
8915         variables that share the same alias set with a pointer that
8916         may point anywhere.
8917         (add_may_alias): Add FIXME comment to remove clobbering
8918         aliased variables and tags.
8919         (replace_may_alias): Likewise.
8920         (set_pt_anything): Do not clear PT_VARS nor IS_DEREFERENCED.
8921         (merge_pointed_to_info): If the original variable has not
8922         points-to information, call set_pt_anything.
8923         (add_pointed_to_var): Do not prevent adding a pointed-to
8924         variable if the pointers is PT_ANYTHING.
8925         If the variable is a global, set PT_GLOBAL_MEM.
8926         (collect_points_to_info_r): Don't assume that PLUS_EXPRs of
8927         pointer type only come in PTR+OFFSET flavours.
8928         Always call merge_pointed_to_info on PHI arguments that are
8929         SSA_NAMEs.
8930         (get_nmt_for): Mark call-clobbered tags whose pointer points
8931         to global memory.
8932         * tree-ssa-operands.c (opf_kill_def, opf_no_vops): Switch
8933         values.
8934         (get_indirect_ref_operands): Always clear OPF_KILL_DEF from
8935         FLAGS.
8936         (add_stmt_operand): Abort if the caller tried to add a killing
8937         definition for a memory tag.
8938         * tree-ssa.c (verify_flow_sensitive_alias_info): Remove
8939         unnecessary checks.
8940
8941 2004-08-18  J"orn Rennecke <joern.rennecke@superh.com>
8942
8943         * sh.h (CONDITIONAL_REGISTER_USAGE): Don't exclude fixed registers
8944         from call_used_regs.  Update call_really_used_regs.
8945         (CALL_REALLY_USED_REGISTERS): Define.
8946         * sh.c (output_stack_adjust, shmedia_target_regs_stack_space):
8947         Replace call_used_regs with call_really_used_regs.
8948         (calc_live_regs, sh_media_register_for_return): Likewise.
8949         (sh5_schedule_saves, sh_expand_prologue, reg_unused_after): Likewise.
8950         * sh.md (return_media): Likewise.
8951
8952 2004-08-18  Andrew Pinski  <apinski@apple.com>
8953
8954         * config/darwin.c (machopic_legitimize_pic_address): Only set
8955         MEM_READONLY_P in the non TARGET_TOC case.
8956
8957 2004-08-18  Zack Weinberg  <zack@codesourcery.com>
8958
8959         * rtl.def (NIL): Delete.
8960         * read-rtl.c (read_rtx): Handle (nil) like (define_constants).
8961         Tighten the syntax a little.
8962
8963         * cfgloop.h, combine.c, cse.c, loop-iv.c, postreload.c, reload.c
8964         * config/alpha/alpha.c, config/alpha/alpha.h, config/arc/arc.h
8965         * config/arm/arm.h, config/frv/frv.h, config/i386/i386.c
8966         * config/i386/predicates.md, config/m32r/m32r.h
8967         * config/m68hc11/m68hc11.c, config/mcore/mcore.h, config/mips/mips.c
8968         * config/mmix/mmix.c, config/pa/pa.h, config/sh/sh.h
8969         * config/sparc/sparc.h, doc/tm.texi:
8970         Replace all occurrences of NIL with UNKNOWN.
8971
8972 2004-08-18  Zack Weinberg  <zack@codesourcery.com>
8973
8974         * dojump.c (do_jump <unordered_bcc>): Do not recursively call
8975         self with a TRUTH_ORIF_EXPR; generate the appropriate jump
8976         sequence inline.  Move drop_through_label code into this
8977         block, being the only place it is used.  Adjust comments.
8978
8979 2004-08-18  Fariborz Jahanian <fjahanian@apple.com>
8980
8981         * config/rs6000/altivec.md: Add new patterns for calls to
8982         save_world/rest_world functions.
8983
8984         * config/rs6000/rs6000-protos.h: (save_world_operation,
8985         restore_world_operation) new declarations.
8986
8987         * config/rs6000/rs6000.c: (struct rs6000_stack) new world_save_p
8988         field added.
8989         (rs6000_stack_info): Set world_save_p field.
8990         (save_world_operation): New function.
8991         (restore_world_operation): New function.
8992         (compute_save_world_info): New function.
8993         (rs6000_stack_info): Call compute_save_world_info.
8994         (rs6000_emit_prologue): Check for world_save_p and generate
8995         pattern to call save_world for saving all non-volatile and
8996         special registers.
8997         (rs6000_emit_epilogue): Check for world_save_p and generate
8998         pattern to call rest_world to restore saved registers.
8999
9000         config/rs6000/rs6000.h: macros FIRST_SAVED_ALTIVEC_REGNO,
9001         FIRST_SAVED_FP_REGNO, FIRST_SAVED_GP_REGNO defined.
9002         (rs6000_reg_names): New entries added for save_world_operation and
9003         restore_world_operation.
9004
9005 2004-08-18  Caroline Tice  <ctice@apple.com>
9006
9007         * Makefile.in (STAGEFEEDBACK_FLAGS_TO_PASS) Add
9008         "-freorder-blocks-and-partition" to the flags used in second
9009         stage of profiledbootstrap.
9010         * bb-reorder.c (push_to_next_round_p): Add new variable,
9011         next_round_is_last; set and use variable to make sure, when
9012         partitioning, that the last trace construction round consists
9013         of all (and only) cold basic blocks.
9014         (rotate_loop): Don't copy blocks that end in a section
9015         crossing jump.
9016         (copy_bb): Correctly initialize "partition" of duplicated bb.
9017         (add_unlikely_executed_notes): Add a comment.
9018         (find_rarely_executed_basic_blocks_and_crossing_edges): Modify
9019         to make sure, if function contains hot blocks, that the
9020         successors of ENTRY_BLOCK_PTR are hot; also, only look for
9021         crossing edges if the architecture supports named sections.
9022         (mark_bb_for_unlikely_executed_section): Modify to always
9023         insert the NOTE_INSN_UNLIKELY_EXECUTED_CODE immediately after
9024         the basic block note insn.
9025         (fix_crossing_unconditional_branches): Remove extra space.
9026         (fix_edges_for_rarely_executed_code): Modify to only do
9027         partitioning work if the architecture supports named sections.
9028         (reorder_basic_blocks): Modify to only add
9029         NOTE_INSN_UNLIKELY_EXECUTED_CODE notes if the architecture
9030         supports named sections.
9031         * c-common.c (handle_section_attribute): Initialize new global
9032         variable, user_defined_section_attribute, to true if user has
9033         specified one.
9034         * cfgcleanup.c (try_forward_edges): Modify to not attempt to
9035         forward edges that cross section boundaries.
9036         * cfglayout.c (fixup_reorder_chain): Modify to only fix up
9037         partitioning information if the architecture supports named
9038         sections.
9039         * cfgrtl.c (target.h): Add statement to include this.
9040         (rtl_split_block): Make sure newly created bb gets correct
9041         partition.
9042         (try_redirect_by_replacing_jump): Make sure redirection isn't
9043         attempting to cross section boundaries.
9044         (force_nonfallthru_and_redirect): Only do partition fix up if
9045         architecture supports named sections.
9046         (rtl_split_edge): Make sure newly created bb ends up in
9047         correct partition.
9048         (commit_one_edge_insertion): Remove code that incorrectly
9049         updated basic block partition; Make sure partition fix up only
9050         happens if architecture supports named sections and it's not
9051         already done.
9052         (rtl_verify_flow_info_1): Fix if-condition on test/error
9053         condition that fallthru edges are not allowed to cross section
9054         boundaries.
9055         * defaults.h (NORMAL_TEXT_SECTION_NAME): Remove this.
9056         * final.c (final_scan_insn): Remove redundant test from if-statement;
9057         change calls to text_section into calls to function_section; add code
9058         to only to partitioning fix up if architecture supports named
9059         sections.
9060         * ifcvt.c (find_if_case_1): Make sure newly created bb has correct
9061         partition.
9062         (if_convert): Add targetm.have_named_sections to test.
9063         * output.h (unlikely_section_label): Extern declaration for new global
9064         variable.
9065         (unlikely_text_section_name): Likewise.
9066         * opts.c (decode_options): If both partitioning and DWARF debugging
9067         are turned on, issue a warning that this doesn't work, and change
9068         partitiong to basic block reordering (without hot/cold partitions).
9069         * passes.c (rest_of_handle_final): Re-set new global variable,
9070         user_defined_section_attribute, to false.
9071         (rest_of_compilation): Change options for calling partitioning
9072         function: Don't call if the user defined the section attribute, and
9073         don't call if DECL_ONE_ONLY is true for the current function.
9074         * predict.c (choose_function_section): Return immediately if we
9075         are doing hot/cold partitioning (i.e. let the basic block partitioning
9076         determine where the function belongs).
9077         * reg-stack.c (emit_swap_insn): Add condition to step over
9078         NOTE_INSN_UNLIKELY_EXECUTED_CODE notes.
9079         * toplev.c (user_defined_section_attribute): New global variable.
9080         * toplev.h (user_defined_section_attribute): Extern declaration
9081         for new global variable.
9082         * varasm.c (unlikely_section_label): New global variable.
9083         (unlikely_text_section_name): New global variable.
9084         (unlikely_text_section): Add code to initialize
9085         unlikely_text_section_name if necessary; modify to use
9086         unlikely_text_section_name and unlikely_section_label; also to use
9087         named_section properly.
9088         (in_unlikely_text_section):  Modify to work correctly with
9089         named_section and to use unlikely_text_section_name.
9090         (named_section):  Add code to work properly with cold section.
9091         (function_section): Clean up if-statement.
9092         * config/darwin.c (darwin_asm_named_section): Return to original
9093         code, removing use of SECTION_FORMAT_STRING.
9094         * config/arm/pe.h (switch_to_section):  Add case for
9095         in_unlikely_executed_text to switch statement.
9096         * config/i386/cygming.h (switch_to_section): Likewise.
9097         * config/i386/darwin.h (NORMAL_TEXT_SECTION_NAME): Remove.
9098         (SECTION_FORMAT_STRING): Likewise.
9099         * config/mcore/mcore.h (switch_to_section): Likewise.
9100         * config/rs6000/darwin.h (NORMAL_TEXT_SECTION_NAME): Remove.
9101         (SECTION_FORMAT_STRING): Remove.
9102
9103 2004-08-18  Roger Sayle  <roger@eyesopen.com>
9104
9105         * config/i386/i386.h (FIXED_REGISTERS): Update encoding to be
9106         -ffixed-reg safe, by preserving the meanings of zero and one.
9107         (CALL_USED_REGISTERS): Likewise.
9108         (CONDITIONAL_REGISTER_USAGE): Update to process new encodings.
9109
9110 2004-08-18  Kaz Kojima  <kkojima@gcc.gnu.org>
9111
9112         * config/sh/sh.c (split_branches): Check the result of
9113         next_active_insn.
9114         (sh_output_mi_thunk): Call init_flow if basic_block_info is null.
9115         Call rtl_register_cfg_hooks.
9116
9117 2004-08-18  Richard Henderson  <rth@redhat.com>
9118
9119         * rtl.h (MEM_READONLY_P): Replace RTX_UNCHANGING_P.
9120         * alias.c (true_dependence): Update to match new semantics.
9121         (canon_true_dependence, write_dependence_p): Likewise.
9122         (anti_dependence, output_dependence): Update write_dependence_p args.
9123         (unchanging_anti_dependence): Remove.
9124         * calls.c (purge_mem_unchanging_flag): Remove.
9125         (fixup_tail_calls): Don't call it.
9126         (expand_call): Don't add unchanging memory to function usage.
9127         * expr.c (emit_block_move_via_libcall): Likewise.
9128         (clear_storage_via_libcall): Don't clobber RTX_UNCHANGING_P mems.
9129         (get_subtarget): Don't use RTX_UNCHANGING_P.
9130         (expand_assignment, store_constructor, expand_expr_real_1): Likewise.
9131         (do_tablejump): Set MEM_READONLY_P, not RTX_UNCHANGING_P.
9132         * combine.c (get_last_value_validate): Use MEM_READONLY_P.
9133         * cse.c (insert): Don't use RTX_UNCHANGING_P.
9134         (cse_insn, canon_hash): Use MEM_READONLY_P.
9135         * emit-rtl.c (set_mem_attributes_minus_bitpos): Use MEM_READONLY_P
9136         instead of RTX_UNCHANGING_P.
9137         * explow.c (maybe_set_unchanging): Remove.
9138         * expr.h (maybe_set_unchanging): Remove.
9139         * flow.c (insn_dead_p, mark_used_regs): Use anti_dependence.
9140         * function.c (assign_stack_temp_for_type): Don't use RTX_UNCHANGING_P.
9141         (assign_parm_setup_reg, expand_function_start): Likewise.
9142         * integrate.c (copy_rtx_and_substitute): Likewise.
9143         * ra-rewrite.c (emit_colors): Likewise.
9144         * regmove.c (copy_src_to_dest, regmove_optimize): Likewise.
9145         (fixup_match_1): Likewise.
9146         * reload1.c (reload, alter_reg): Likewise.
9147         * local-alloc.c (validate_equiv_mem): Check MEM_READONLY_P,
9148         not RTX_UNCHANGING_P.
9149         (equiv_init_varies_p): Likewise.
9150         * loop-invariant.c (check_maybe_invariant): Likewise.
9151         * resource.c (mark_referenced_resources, mark_set_resources): Likewise.
9152         * loop.c (note_addr_stored): Likewise.
9153         (prescan_loop): Likewise. Don't check function usage for clobbered
9154         unchanging memory.
9155         * rtlanal.c (rtx_unstable_p): Check MEM_READONLY_P,
9156         not RTX_UNCHANGING_P.
9157         (rtx_varies_p, modified_between_p, modified_in_p): Likewise.
9158         * varasm.c (force_const_mem): Likewise.
9159         * stmt.c (expand_decl): Don't set RTX_UNCHANGING_P.
9160         * web.c (entry_register): Likewise.
9161         * tree-gimple.h (get_base_address): Move decl ...
9162         * tree.h: ... here.
9163         * doc/rtl.texi (MEM_READONLY_P): Replace RTX_UNCHANGING_P.
9164
9165         * config/alpha/alpha.c (alpha_set_memflags_1): Rewrite to be
9166         called via for_each_rtx.  Copy MEM_SCALAR_P, MEM_NOTRAP_P too.
9167         (alpha_set_memflags): Update to match.
9168
9169         * config/darwin.c (machopic_indirect_data_reference): Set
9170         MEM_READONLY_P instead of RTX_UNCHANGING_P.
9171         (machopic_indirect_call_target): Likewise.
9172         (machopic_legitimize_pic_address): Likewise.
9173         * config/arm/arm.c (legitimize_pic_address, arm_gen_load_multiple,
9174         arm_gen_store_multiple, arm_gen_movmemqi): Likewise.
9175         * config/arm/arm.md (load_multiple, store_multiple): Likewise.
9176         * config/frv/frv.md (symGOT2reg): Likewise.
9177         * config/i386/i386.c (legitimize_pic_address,
9178         legitimize_tls_address, ix86_split_to_parts): Likewise.
9179         * config/ia64/ia64.c (ia64_expand_tls_address): Likewise.
9180         * config/ia64/ia64.md (load_fptr): Likewise.
9181         * config/m32r/m32r.c (m32r_legitimize_pic_address): Likewise.
9182         * config/m68k/m68k.c (legitimize_pic_address): Likewise.
9183         * config/mcore/mcore.c (block_move_sequence): Likewise.
9184         * config/mn10300/mn10300.md (symGOT2reg): Likewise.
9185         * config/pa/pa.c (legitimize_pic_address): Likewise.
9186         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Likewise.
9187         (rs6000_emit_move): Likewise.
9188         * config/s390/s390.c (legitimize_pic_address): Likewise.
9189         (legitimize_tls_address): Likewise.
9190         * config/s390/s390.md (casesi): Likewise.
9191         * config/sh/sh.c (prepare_move_operands, sh_reorg): Likewise.
9192         * config/sh/sh.md (symGOT2reg): Likewise.
9193         * config/sparc/sparc.c (legitimize_pic_address): Likewise.
9194         * config/v850/v850.md (casesi): Likewise.
9195
9196         * config/ia64/ia64.c (gen_thread_pointer): Don't set RTX_UNCHANGING_P.
9197         * config/iq2000/iq2000.c (save_restore_insns): Likewise.
9198         * config/mips/mips.c (mips_restore_gp): Likewise.
9199         (mips_save_restore_reg, mips16_gp_pseudo_reg): Likewise.
9200         * config/sh/sh.c (sh_reorg): Likewise.
9201
9202 2004-08-18  Richard Henderson  <rth@redhat.com>
9203
9204         * tree.h (struct tree_decl): Add gimple_formal_temp.
9205         (DECL_GIMPLE_FORMAL_TEMP_P): New.
9206         * gimplify.c (pop_gimplify_context): Clear it.
9207         (lookup_tmp_var): Set it, if is_formal.
9208         (gimplify_init_constructor): Use rhs_predicate_for for COMPLEX.
9209         Use is_gimple_val for VECTOR.  Simplify return value.
9210         (gimplify_save_expr): Use and set DECL_GIMPLE_FORMAL_TEMP_P.
9211         (gimplify_expr): Likewise.
9212         * tree-gimple.c (is_gimple_formal_tmp_rhs): Rename from
9213         is_gimple_tmp_rhs for clarity.  Update all callers.
9214         (is_gimple_reg_rhs): Simplify logic.
9215         (is_gimple_formal_tmp_var): Rename from is_gimple_tmp_var for
9216         clarity; use DECL_GIMPLE_FORMAL_TEMP_P.
9217         (is_gimple_formal_tmp_reg): Similarly.
9218         * tree-gimple.h: Update decls.
9219         * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Use
9220         DECL_IGNORED_P, not DECL_ARTIFICIAL.  Tidy formatting.
9221         * tree-ssa-live.c (var_union, type_var_init): Likewise.
9222
9223 2004-08-18  Paolo Bonzini  <bonzini@gnu.org>
9224
9225         * c4x.c (legitimize_operands): Remove calls to
9226         preserve_subexpressions_p.
9227
9228 2004-08-18  David Edelsohn  <edelsohn@gnu.org>
9229
9230         * varasm.c (MAX_OFILE_ALIGNMENT): Move ...
9231         * defaults.h (MAX_OFILE_ALIGNMENT): ... here.
9232
9233 2004-08-18  Ziemowit Laski  <zlaski@apple.com>
9234
9235         * gcc.c (default_compilers): Add info about ".mm", ".M" and ".mii"
9236         Objective-C++ extensions.
9237         * gengtype.c (get_file_basename): Match entire subdirectory name
9238         ('cp', 'objc', 'objcp') rather than just its suffix.
9239         (get_base_file_bitmap): Allow for files to belong to more than one
9240         language.
9241         (get_output_file_with_visibility): Treat objc/objc-act.h as a header
9242         used by more than one front-end.
9243
9244 2004-08-18  Richard Earnshaw  <rearnsha@arm.com>
9245
9246         * arm.md (addsi3, subsi3, andsi3, iorsi3, movsi, movhi): Rework to
9247         avoid use of preserve_subexpressions_p.
9248
9249 2004-08-17  Richard Henderson  <rth@redhat.com>
9250
9251         PR 17051
9252         * tree-sra.c (scalarize_use): Mark all v_defs for !is_output too.
9253
9254 2004-08-17  DJ Delorie  <dj@redhat.com>
9255
9256         * doc/extend.texi: Document new xstormy16 attribute.
9257
9258         * config/stormy16/stormy16.c (xstormy16_splittable_below100_operand): New.
9259         (xstormy16_splittable_below100_or_register): New.
9260         (combine_bnp): New.
9261         (xstormy16_reorg): New.
9262         (TARGET_MACHINE_DEPENDENT_REORG): Define.
9263
9264         * config/stormy16/stormy16.md (movqi_internal): Make name public.
9265         (movhi_internal): Likewise.
9266         (cbhranchhi): Likewise.
9267         (cbhranchhi_neg): Likewise.
9268         (andhi3): Only allow splittable below100 operands.
9269         (iorhi3): Likewise.
9270         (peephole2): New and/zero_extend->and peephole.
9271         (peephole2): New load/ior/save->set1 peephole.
9272         (peephole2): New load/and/save->clr1 peephole.
9273         (bclrx, bclrx2, bclr7, bclr15): New.
9274         (bsetx, bsetx2, bset7, bset15): New.
9275
9276         * config/stormy16/stormy16.c (xstormy16_print_operand): Be more
9277         liberal about acceptable 'B' masks.
9278
9279         * config/stormy16/stormy16-protos.h
9280         (xstormy16_asm_output_aligned_common, xstormy16_below100_symbol,
9281         xstormy16_below100_operand, xstormy16_below100_or_register,
9282         xstormy16_onebit_set_operand, xstormy16_onebit_clr_operand): New.
9283         (PREDICATE_CODES): Add new predicates.
9284
9285         * config/stormy16/stormy16.c
9286         (xstormy16_asm_output_aligned_common, xstormy16_below100_symbol,
9287         xstormy16_below100_operand, xstormy16_below100_or_register,
9288         xstormy16_onebit_set_operand, xstormy16_onebit_clr_operand): New.
9289         (xstormy16_expand_iorqi3, xstormy16_expand_andqi3): New.
9290         (xstormy16_legitimate_address_p): Allow below100 symbols.
9291         (xstormy16_extra_constraint_p): Add 'W' for below100 operands.
9292         (xstormy16_expand_move): Leave below100 operands as-is.
9293         (xstormy16_encode_section_info): Encode below100 symbols.
9294         (xstormy16_strip_name_encoding): New.
9295         (xstormy16_print_operand): Print 'b' as shift mask.
9296         (xstormy16_attribute_table): Add below100 attributes.
9297         (xstormy16_handle_below100_attribute): New.
9298
9299         * config/stormy16/stormy16.h (EXTRA_SECTIONS): add in_bss100.
9300         (XSTORMY16_SECTION_FUNCTION): New.
9301         (EXTRA_SECTION_FUNCTIONS): Define using the above.
9302         (ASM_OUTPUT_ALIGNED_DECL_COMMON, ASM_OUTPUT_ALIGNED_DECL_LOCAL): New.
9303         (ASM_OUTPUT_SYMBOL_REF): Handle encoded symbols.
9304         (ASM_OUTPUT_LABELREF): Define.
9305
9306         * config/stormy16/stormy16.md (movqi_internal): Add below100 support.
9307         (movhi_internal): Add below100 support.
9308         (andhi3): Add below100 support.
9309         (iorhi3): Add below100 support.
9310         (iorqi3, iorqi3_internal, andqi3, andqi3_internal): New.
9311
9312 2004-08-17  James E Wilson  <wilson@specifixinc.com>
9313
9314         * config/mips/mips.c (gen_conditional_move): Use GET_MODE (op0) instead
9315         of VOIDmode for comparison code mode.
9316         * config/mips/mips.md: For conditional move patterns, use mode of
9317         first compare operand for comparison mode, instead of VOIDmode.
9318
9319         * config/mips/mips.md: Add canonical nmadd and nmsub patterns for both
9320         normal and -ffast-math code.
9321
9322 2004-08-17  Mark Mitchell  <mark@codesourcery.com>
9323
9324         PR c++/15871
9325         * doc/invoke.texi (-fkeep-inline-functions): Update documentation.
9326
9327 2004-08-17  Robert Bowdidge  <bowdidge@apple.com>
9328
9329         * config/rs6000/x-darwin: Add -mdynamic-no-pic to gcc build flags.
9330
9331 2004-08-17  Andreas Tobler  <a.tobler@schweiz.ch>
9332
9333         * config/rs6000/darwin.md (*call_nonlocal_darwin64): Add #else clause
9334         for non Darwin targets.
9335         (*call_value_nonlocal_darwin64): Likewise.
9336
9337 2004-08-17  Fariborz Jahanian <fjahanian@apple.com>
9338
9339         * config/rs6000/rs6000.c (rs6000_function_value): Check for
9340         altivec mode for altivec return register.
9341
9342 2004-08-17  David Edelsohn  <edelsohn@gnu.org>
9343
9344         Revert 2004-08-16  Stan Shebs  <shebs@apple.com>
9345         * config/darwin.c (macho_indirect_data_reference): Add DImode case.
9346         * config/rs6000/rs6000.md: Include darwin.md.
9347         (builtin_setjmp_receiver): Add DImode case.
9348         * config/rs6000/rs6000.c (rs6000_emit_move): Add DImode case to
9349         Darwin bits.
9350
9351 2004-08-17  Dorit Naishlos  <dorit@il.ibm.com>
9352
9353         * tree-vectorizer.c: New File: loop vectorization on SSAed GIMPLE
9354         trees.
9355         * tree-vectorizer.h: New File: Same.
9356         * Makefile.in (tree-vectorizer.c, tree-vectorizer.h): Add new files.
9357         * common.opt (ftree-vectorize): New flag to enable vectorization.
9358         * timevar.def (TV_TREE_VECTORIZATION): New dump file for
9359         vectorization pass.
9360         * tree-data-ref.h (init_data_ref): Additional argument.
9361         (array_base_name_differ_p): Moved to tree-data-ref.c.
9362         * tree-data-ref.c (array_base_name_differ_p): Revised.
9363         (initialize_data_dependence_relation): Call array_base_name_differ_p
9364         with an extra argument.
9365         (analyze_all_data_dependences): Same.
9366         (init_data_ref): Additional argument is_read to set DR_IS_READ.
9367         * tree-ssa-phiopt.c (empty_block_p): Expose for usage out of this
9368         file.
9369         * tree-flow.h (vectorize_loops, empty_block_p): Add declaration.
9370         * tree-optimize.c (pass_vectorize): Schedule the vectorization pass.
9371         * tree-pass.h (tree_opt_pass pass_vectorize): Declare the new
9372         vectorization pass.
9373         * tree-ssa-loop.c (tree_ssa_loop_init): Call scev_initialize.
9374         (tree_ssa_loop_done): Call scev_finalize.
9375         (tree_vectorize): Define the new vectorization pass.
9376         * defaults.h (UNITS_PER_SIMD_WORD): Allow targets to specify the
9377         size of the vector they support (until support for multiple vector
9378         sizes is added to the vectorizer).
9379         * config/i386/i386.h (UNITS_PER_SIMD_WORD): Define.
9380         * config/rs6000/rs6000.h (UNITS_PER_SIMD_WORD): Define.
9381         * invoke.texi (fdump-tree-vect, ftree-vectorize): Add
9382         documentation.
9383
9384 2004-08-17  Nathan Sidwell  <nathan@codesourcery.com>
9385
9386         * objc/objc-act.c (build_protocol_initializer): Fix build_int_cst
9387         usage.
9388         (generate_protocol_list, handle_impent): Likewise.
9389
9390 2004-08-17  Roger Sayle  <roger@eyesopen.com>
9391
9392         * regclass.c (init_reg_sets_1): Add ENABLE_CHECKING sanity tests to
9393         ensure that call_used_regs is a superset of both fixed_regs and
9394         call_really_used_regs.
9395
9396 2004-08-17  Daniel Bornstein  <danfuzz@milk.com>
9397
9398         PR target/17019
9399         * arm.md (addsi3_cbranch_scratch): Correct case labels.
9400
9401 2004-08-17  Paolo Bonzini  <bonzini@gnu.org>
9402
9403         PR middle-end/17036
9404         * fold-const.c (fold): Check for integer operand when
9405         folding (A >> N) & 1 ? (1 << N) : 0.  Fix from Andrew
9406         Pinski  <pinskia@physics.uc.edu>.
9407
9408 2004-08-17  Paolo Bonzini  <bonzini@gnu.org>
9409
9410         * configure.ac: Trust toplevel's notion of BISON/FLEX/MAKEINFO.
9411         No need to check if in a cross configuration.
9412         * configure: Regenerate.
9413
9414         * calls.c (precompute_register_parameters):
9415         Inline preserve_subexpressions_p ().
9416         * expmed.c (expand_mult_const, emit_store_flag): Likewise.
9417         * optabs.c (expand_binop, expand_twoval_binop, prepare_cmp_insn):
9418         Likewise.
9419         * expr.c (get_subtarget): Likewise.
9420         * rtl.h (preserve_subexpressions_p): Remove.
9421         * stmt.c (preserve_subexpressions_p): Remove.
9422
9423         * dojump.c (do_jump) <COND_EXPR, EQ_EXPR, NE_EXPR,
9424         TRUTH_ANDIF_EXPR, TRUTH_ORIF_EXPR, COMPOUND_EXPR>:
9425         Abort on gimplified cases.
9426
9427 2004-08-16  James E Wilson  <wilson@specifixinc.com>
9428
9429         * tree.h (VECTOR_FLOAT_TYPE_P): New.
9430         (FLOAT_TYPE_P): Use it.
9431         * c-typeck.c (build_binary_op): After convert calls, check for
9432         check for ERROR_MARK operands.
9433
9434 2004-08-16  Zack Weinberg  <zack@codesourcery.com>
9435
9436         * Makefile.in (BUILD_PREFIX, BUILD_PREFIX_1): Delete.
9437         (BUILD_RTL, BUILD_PRINT, BUILD_ERRORS, BUILD_VARRAY): Update.
9438         (genobjs): Add build-rtl.o, build-print-rtl.o, build-varray.o.
9439         (genobjs static pattern rule): Remove %.c dependency.
9440         ($(BUILD_PREFIX_1)rtl.o, print-rtl.o, $(BUILD_PREFIX_1)varray.o):
9441         Rename rules; delete commands; fix dependencies.
9442         (mostlyclean): Do not delete temporary source copies.
9443         * configure.ac: Delete all references to BUILD_PREFIX and
9444         BUILD_PREFIX_1.
9445         * configure: Regenerate.
9446
9447         * print-rtl.c: Include bconfig.h #ifdef GENERATOR_FILE.
9448         Do not include tree.h, real.h, flags.h, hard-reg-set.h, or
9449         basic-block.h #ifdef GENERATOR_FILE.  Surround some more code
9450         with #ifndef GENERATOR_FILE so that nothing from those headers
9451         is used.
9452
9453         * rtl.c, varray.c: Include bconfig.h #ifdef GENERATOR_FILE.
9454
9455 2004-08-16  Adam Nemet  <anemet@lnxw.com>
9456
9457         * Makefile.in (LIBS): Move $(LIBIBERTY) after $(BANSHEELIB).
9458
9459 2004-08-16  Andrew Pinski  <apinski@apple.com>
9460
9461         * target-def.h (TARGET_EH_RETURN_FILTER_MODE): Remove
9462         extraneous semicolon.
9463
9464 2004-08-16  Devang Patel  <dpatel@apple.com>
9465
9466         * c-common.c (handle_used_attribute): Set DECL_PRESERVE_P.
9467         * print-tree.c (print_node): Print DECL_PRESERVE_P.
9468         * target-def.h (TARGET_ASM_MARK_DECL_PRESERVED): New #define.
9469         (TARGET_ASM_OUT): New member, TARGET_ASM_MARK_DECL_PRESERVED
9470         * target.h (struct gcc_target): New member, mark_decl_preserved.
9471         * hooks.c (hook_void_charptr): Rename to ...
9472         (hook_void_constcharptr): ... new name.
9473         * hooks.h (hook_void_charptr): Rename to ..
9474         (hook_void_constcharptr): ... new name.
9475         * tree.h (DECL_PRESERVE_P): New #define.
9476         (struct tree_decl): New member, preserve_flag.
9477         * varasm.c (assemble_start_function): Mark decl preserved.
9478         (assemble_variable): Same.
9479         * darwin.c (darwin_mark_decl_preserved): New function.
9480         * darwin.h (TARGET_ASM_MARK_DECL_preserved): New #define.
9481         * darwin-protos.h (darwin_mark_decl_preserved): New decl.
9482         * doc/tm.texi (TARGET_ASM_MARK_DECL_PRESERVED): Document.
9483
9484 2004-08-16  Joseph S. Myers  <jsm@polyomino.org.uk>
9485
9486         * c-decl.c (grokdeclarator): Allow for function definition where
9487         innermost declarator has attributes.
9488
9489 2004-08-16  Fariborz Jahanian <fjahanian@apple.com>
9490
9491         * except.c (get_exception_filter, build_post_landing_pads,
9492         dw2_build_landing_pads): Use target-specific mode for 'filter'.
9493         * target-def.h (TARGET_EH_RETURN_FILTER_MODE): macro defined and used.
9494         * target.h (eh_return_filter_mode): New field added.
9495         * targhooks.c (default_eh_return_filter_mode): Defined.
9496         * targhooks.h (default_eh_return_filter_mode): Declared.
9497         * config/rs6000/rs6000.c (rs6000_eh_return_filter_mode): Defined.
9498
9499 2004-08-16  Nathanael Nerode  <neroden@gcc.gnu.org>
9500
9501         * configure.ac: Replace _GCC_TOPLEV_NONCANONICAL_TARGET with
9502         ACX_NONCANONICAL_TARGET; remove now-unneeded AC_SUBST.
9503         * configure: Regenerate.
9504
9505 2004-08-16  Stan Shebs  <shebs@apple.com>
9506
9507         Basic support for 64-bit Darwin.
9508         * config/darwin.c (macho_indirect_data_reference): Add DImode case.
9509         (machopic_legitimize_pic_address): Similarly, plus use Pmode
9510         instead of SImode.
9511         * config/rs6000/darwin.h (PTRDIFF_TYPE): Be "long int" if 64-bit.
9512         (TARGET_OS_CPP_BUILTINS): Add 64-bit preprocessor macro.
9513         (SUBTARGET_SWITCHES): Add -m32 and -m64 flags.
9514         (SUBTARGET_OVERRIDE_OPTIONS): Require 64-bit processor if -m64.
9515         (PROCESSOR_DEFAULT64): Define.
9516         * config/rs6000/darwin.md: New file, patterns specific to 64-bit
9517         Darwin.
9518         * config/rs6000/rs6000.md: Include darwin.md.
9519         (builtin_setjmp_receiver): Add DImode case.
9520         * config/rs6000/rs6000.c (TARGET_ASM_UNALIGNED_DI_OP): Define for
9521         Darwin.
9522         (TARGET_ASM_ALIGNED_DI_OP): Ditto.
9523         (rs6000_emit_move): Add DImode case to Darwin bits.
9524         (machopic_output_stub): Use .quad if 64-bit.
9525         * invoke.texi: Document -m32 and -m64.
9526
9527 2004-08-16  Janis Johnson  <janis187@us.ibm.com>
9528
9529         * doc/extend.texi (AltiVec builtins): Document additional differences
9530         from the Motorola AltiVec PIM.
9531
9532 2004-08-16  Nathan Sidwell  <nathan@codesourcery.com>
9533
9534         * c-typeck.c (build_c_cast): Only copy overflow from expr nodes.
9535         * tree.h (IS_NON_TYPE_CODE_CLASS): Simplify.
9536         (struct tree_common): Update public_flag documentation.
9537
9538 2004-08-16  Nathanael Nerode  <neroden@gcc.gnu.org>
9539
9540         * tree-ssa-copyrename.c (copy_rename_partition_coalesce):
9541         Check for artificial variables, not is_gimple_tmp_var.
9542         * tree-ssa-live.c (var_union): Likewise.
9543
9544 2004-08-16  Nathan Sidwell  <nathan@codesourcery.com>
9545
9546         * calls.c (load_register_parameters): Remove spurious FIXME token.
9547
9548 2004-08-15  Ziemowit Laski  <zlaski@apple.com>
9549
9550         * Makefile.in (C_PRETTY_PRINT_H): Add c-pretty-print.h.
9551         (c-lang.o): Depend on c-objc-common.h.
9552         (c-objc-common.o): Depend on $(C_PRETTY_PRINT_H) and
9553         c-objc-common.h; remove duplicate $(C_TREE_H) dependency.
9554         * c-lang.c: Include c-objc-common.h.
9555         (LANG_HOOKS_FINISH, LANG_HOOKS_INIT_OPTIONS,
9556         LANG_HOOKS_INITIALIZE_DIAGNOSTICS, LANG_HOOKS_HANDLE_OPTION,
9557         LANG_HOOKS_MISSING_ARGUMENT, LANG_HOOKS_POST_OPTIONS,
9558         LANG_HOOKS_GET_ALIAS_SET, LANG_HOOKS_SAFE_FROM_P,
9559         LANG_HOOKS_EXPAND_EXPR, LANG_HOOKS_MARK_ADDRESSABLE,
9560         LANG_HOOKS_PARSE_FILE, LANG_HOOKS_TRUTHVALUE_CONVERSION,
9561         LANG_HOOKS_FINISH_INCOMPLETE_DECL, LANG_HOOKS_UNSAFE_FOR_REEVAL,
9562         LANG_HOOKS_STATICP, LANG_HOOKS_SET_DECL_ASSEMBLER_NAME,
9563         LANG_HOOKS_NO_BODY_BLOCKS, LANG_HOOKS_WARN_UNUSED_GLOBAL_DECL,
9564         LANG_HOOKS_PRINT_IDENTIFIER, LANG_HOOKS_FUNCTION_ENTER_NESTED,
9565         LANG_HOOKS_FUNCTION_LEAVE_NESTED, LANG_HOOKS_DUP_LANG_SPECIFIC_DECL,
9566         LANG_HOOKS_DECL_UNINIT, LANG_HOOKS_RTL_EXPAND_STMT,
9567         LANG_HOOKS_COMMON_ATTRIBUTE_TABLE, LANG_HOOKS_FORMAT_ATTRIBUTE_TABLE,
9568         LANG_HOOKS_TREE_INLINING_CANNOT_INLINE_TREE_FN,
9569         LANG_HOOKS_TREE_INLINING_DISREGARD_INLINE_LIMITS,
9570         LANG_HOOKS_TREE_INLINING_ANON_AGGR_TYPE_P,
9571         LANG_HOOKS_TREE_INLINING_CONVERT_PARM_FOR_INLINING,
9572         LANG_HOOKS_TREE_INLINING_ESTIMATE_NUM_INSNS,
9573         LANG_HOOKS_TREE_DUMP_DUMP_TREE_FN,
9574         LANG_HOOKS_CALLGRAPH_EXPAND_FUNCTION, LANG_HOOKS_TYPE_FOR_MODE,
9575         LANG_HOOKS_TYPE_FOR_SIZE, LANG_HOOKS_SIGNED_TYPE,
9576         LANG_HOOKS_UNSIGNED_TYPE, LANG_HOOKS_SIGNED_OR_UNSIGNED_TYPE,
9577         LANG_HOOKS_INCOMPLETE_TYPE_ERROR, LANG_HOOKS_TYPE_PROMOTES_TO,
9578         LANG_HOOKS_REGISTER_BUILTIN_TYPE, LANG_HOOKS_WRITE_GLOBALS):
9579         Move to c-objc-common.h.
9580         * c-objc-common.c: Include c-objc-common.h.
9581         * c-objc-common.h: New file.
9582
9583 2004-08-15  Andreas Tobler  <a.tobler@schweiz.ch>
9584             Andrew Pinski  <pinskia@physics.uc.edu>
9585
9586         PR target/14931
9587         * config/rs6000/darwin-tramp.asm (L_abort$stub): Change to new stub
9588         style.
9589
9590 2004-08-15  Nathan Sidwell  <nathan@codesourcery.com>
9591
9592         * tree.h (build_int_cst): New.
9593         (build_int_2): Remove.
9594         * tree.c (build_int_2): Remove.
9595         (build_int_cst): New.
9596         (make_vector_type, build_common_tree_nodes,
9597         build_common_tree_nodes_2): Use build_int_cst.
9598         * builtins.c (expand_builtin_prefetch, expand_builtin_strstr,
9599         expand_builtin_strpbrk, expand_builtin_fputs,
9600         build_string_literal, expand_builtin_printf,
9601         expand_builtin_sprintf, fold_builtin_lround, fold_builtin_bitop,
9602         fold_builtin_bitop, fold_builtin_isascii, fold_builtin_toascii,
9603         fold_builtin_isdigit, simplify_builtin_strstr,
9604         simplify_builtin_strpbrk, fold_builtin_fputs,
9605         simplify_builtin_sprintf): Use build_int_cst.
9606         * c-common.c (start_fname_decls, fix_string_type,
9607         c_common_nodes_and_builtins, c_init_attributes,
9608         shorten_compare): Likewise.
9609         * c-decl.c (complete_array_type,
9610         check_bitfield_type_and_width): Likewise.
9611         * c-lex.c (interpret_integer, lex_charconst): Likewise.
9612         * c-parse.in (primary): <TYPES_COMPATIBLE_P> Likewise.
9613         * c-pretty-print.c (pp_c_integer_constant): Likewise.
9614         * c-typeck.c (really_start_incremental_init, push_init_level,
9615         set_nonincremental_init_from_string): Likewise.
9616         * calls.c (load_register_parameters): Likewise.
9617         * convert.c (convert_to_pointer): Likewise.
9618         * coverage.c (coverage_counter_alloc, tree_coverage_counter_ref,
9619         build_fn_info_type, build_ctr_info_value, build_gcov_info):
9620         Likewise.
9621         * except.c (init_eh, assign_filter_values, assign_filter_values):
9622         Likewise.
9623         * expmed.c (store_fixed_bit_field, extract_bit_field,
9624         extract_fixed_bit_field, extract_split_bit_field, expand_shift,
9625         expand_mult_const, expand_mult_highpart_adjust, extract_high_half,
9626         expand_sdiv_pow2, expand_divmod, make_tree): Likewise.
9627         * expr.c (convert_move, emit_group_load, emit_group_store,
9628         expand_assignment, store_constructor, store_field,
9629         expand_expr_real_1, reduce_to_bit_field_precision): Likewise.
9630         * fold-const.c (force_fit_type, int_const_binop, fold_convert_const,
9631         invert_truthvalue, optimize_bit_field_compare,
9632         decode_field_reference, all_ones_mask_p, constant_boolean_node,
9633         fold_div_compare, fold, fold_read_from_constant_string,
9634         fold_negate_const, fold_abs_const, fold_not_const): Likewise.
9635         * function.c (assign_parm_setup_block): Likewise.
9636         * stmt.c (shift_return_value, expand_end_case_type,
9637         estimate_case_costs): Likewise.
9638         * stor-layout.c (layout_type, initialize_sizetypes,
9639         set_min_and_max_values_for_integral_type): Likewise.
9640         * tree-chrec.c (chrec_fold_multiply_poly_poly,
9641         reset_evolution_in_loop): Likewise.
9642         * tree-chrec.h (build_polynomial_chrec): Likewise.
9643         * tree-complex.c (build_replicated_const): Likewise.
9644         * tree-eh.c (honor_protect_cleanup_actions,
9645         lower_try_finally_onedest, lower_try_finally_copy,
9646         lower_try_finally_switch): Likewise.
9647         * tree-mudflap.c (mf_build_string, mx_register_decls,
9648         mudflap_register_call, mudflap_enqueue_constant): Likewise.
9649         * tree-nested.c (get_trampoline_type, get_nl_goto_field): Likewise.
9650         * tree-pretty-print.c (dump_generic_node): Likewise.
9651         * tree-ssa-ccp.c (widen_bitfield, maybe_fold_offset_to_array_ref):
9652         Likewise.
9653         * tree-ssa-dom.c (simplify_rhs_and_lookup_avail_expr): Likewise.
9654         * tree-ssa-loop-niter.c (number_of_iterations_cond,
9655         loop_niter_by_eval, upper_bound_in_type, lower_bound_in_type):
9656         Likewise.
9657
9658         * config/alpha/alpha.c (alpha_initialize_trampoline,
9659         alpha_va_start, alpha_gimplify_va_arg_1): Use build_int_cst.
9660         * config/arm/arm.c (arm_get_cookie_size): Likewise.
9661         * config/c4x/c4x.c (c4x_gimplify_va_arg_expr): Likewise.
9662         * config/i386/i386.c (ix86_va_start, ix86_gimplify_va_arg): Likewise.
9663         * config/i860/i860.c (i860_va_start): Likewise.
9664         * config/ia64/ia64.c (ia64_gimplify_va_arg): Likewise.
9665         * config/mips/mips.c (mips_build_builtin_va_list, mips_va_start,
9666         mips_gimplify_va_arg_expr): Likewise.
9667         * config/pa/pa.c (hppa_gimplify_va_arg_expr): Likewise.
9668         * config/rs6000/rs6000.c (rs6000_va_start, rs6000_gimplify_va_arg,
9669         add_compiler_branch_island): Likewise.
9670         * config/s390/s390.c (s390_va_start): Likewise.
9671         * config/sh/sh.c (sh_va_start): Likewise.
9672         * config/stormy16/stormy16.c (xstormy16_expand_builtin_va_start):
9673         Likewise.
9674         * config/xtensa/xtensa.c (xtensa_va_start,
9675         xtensa_gimplify_va_arg_expr): Likewise.
9676
9677         * objc/objc-act.c (build_objc_string_object,
9678         build_objc_symtab_template, init_def_list, init_objc_symtab,
9679         init_module_descriptor, generate_static_references,
9680         build_selector_translation_table, get_proto_encoding,
9681         build_typed_selector_reference, build_selector_reference,
9682         build_next_objc_exception_stuff,
9683         build_method_prototype_list_template, generate_descriptor_table,
9684         generate_protocols, build_protocol_initializer,
9685         build_ivar_list_template, build_method_list_template,
9686         build_ivar_list_initializer, generate_ivars_list,
9687         generate_dispatch_table, generate_protocol_list,
9688         build_category_initializer, build_shared_structure_initializer,
9689         generate_shared_structures, handle_impent,
9690         generate_objc_image_info): Use build_int_cst.
9691
9692 2004-08-15  Ben Elliston  <bje@au.ibm.com>
9693
9694         * vec.h: Comment improvements.
9695
9696 2004-08-14  Roger Sayle  <roger@eyesopen.com>
9697
9698         * c-common.c (shorten_compare, pointer_int_sum,
9699         c_common_truthvalue_conversion, boolean_increment): Replace calls
9700         to build with calls to buildN.
9701         * c-decl.c (complete_array_type, grokdeclarator): Likewise.
9702         * c-gimplify.c (c_build_bind_expr, gimplify_c_loop,
9703         gimplify_switch_stmt): Likewise.
9704         * c-typeck.c (default_function_array_conversion,
9705         build_component_ref, build_array_ref, build_function_call,
9706         pointer_diff, build_unary_op, build_conditional_expr,
9707         build_compound_expr, build_modify_expr, c_finish_goto_label,
9708         c_finish_goto_ptr, c_finish_return, c_finish_loop,
9709         c_finish_bc_stmt, c_finish_stmt_expr, c_end_compound_stmt,
9710         build_binary_op): Likewise.
9711
9712 2004-08-15  Steven Bosscher  <stevenb@suse.de>
9713
9714         * rtl.c (note_insn_name): Add NOTE_DISABLE_SCHED_OF_BLOCK.
9715
9716 2004-08-14  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
9717
9718         * fixinc/inclhack.def (stdio_va_list): Also fix com_err.h, cps.h,
9719         curses.h, krb5.h, lc_core.h, pfmt.h, wchar.h and curses_colr/curses.h.
9720         * fixinc/fixincl.x: Rebuilt.
9721
9722 2004-08-14  Richard Sandiford  <rsandifo@redhat.com>
9723
9724         * config/mips/mips-protos.h (mips_symbolic_constant_p)
9725         (mips_atomic_symbolic_constant_p, mips_stack_address_p)
9726         (mips_small_data_pattern_p): Declare.
9727         * config/mips/mips.h (CONST_GP_P): Moved from mips.c.
9728         (PREDICATE_CODES, SPECIAL_MODE_PREDICATES): Delete.
9729         * config/mips/mips.c (mips_symbolic_constant_p): Make global.
9730         (mips_atomic_symbolic_constant_p, mips_stack_address_p): New functions.
9731         (uns_arith_operand, const_arith_operand, arith_operand, sle_operand)
9732         (sleu_operand, small_int, reg_or_0_operand, const_float_1_operand)
9733         (reg_or_const_float_1_operand, hilo_operand, extend_operator)
9734         (macc_msac_operand, equality_op, cmp_op, trap_cmp_op)
9735         (pc_or_label_operand, call_insn_operand, move_operand)
9736         (consttable_operand, symbolic_operand, general_symbolic_operand)
9737         (global_got_operand, local_got_operand, stack_operand)
9738         (fp_register_operand, lo_operand, fcc_register_operand): Delete.
9739         (mips_small_data_pattern_1): Renamed from small_data_pattern_1.
9740         (mips_small_data_pattern_p): Replace previous small_data_pattern
9741         predicate.  Turn into a bool () (rtx) function.
9742         * config/mips/predicates.md: New file.
9743         * config/mips/mips.md: Include it.  Use the target-independent
9744         comparison_operator instead of cmp_op.  Rename trap_cmp_op to
9745         trap_comparison_operator and equality_op to equality_operator.
9746         Replace uses of small_int with the equivalent const_arith_operand.
9747         Rename reg_or_const_float_1_operand to reg_or_1_operand.  Rename
9748         const_float_1_operand to const_1_operand.  Rename fcc_register_operand
9749         to fcc_reload_operand.
9750         * config/mips/sb1.md: Rename fp_register_operand to fpr_operand.
9751
9752 2004-08-14  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
9753
9754         PR libstdc++/17005 partial fix.
9755         * pa-hpux11.h (TARGET_OS_CPP_BUILTINS): Define _INCLUDE__STDC_A1_SOURCE
9756         except when generating ANSI/C89 code.
9757
9758 2004-08-14  Nathan Sidwell  <nathan@codesourcery.com>
9759
9760         * c-common.c (shorten_compare): Use force_fit_type directly.
9761
9762 2004-08-14  Gerald Pfeifer  <gerald@pfeifer.com>
9763             Dimitri Papadopoulos-Orfanos  <papadopo@shfj.cea.fr>
9764             Dave Korn  <dk@artimi.com>
9765
9766         * doc/install.texi (Building): Avoid duplicate reference to GNU
9767         make requirement.
9768         (*-*-solaris2*): Do not recommend GNU make any longer.  Simplify.
9769
9770 2004-08-14  Richard Henderson  <rth@redhat.com>
9771
9772         * config/alpha/alpha.h (PROMOTE_MODE): Don't promote vector types.
9773         * config/alpha/alpha.c (function_value): Use PROMOTE_MODE.
9774
9775 2004-08-13  Richard Henderson  <rth@redhat.com>
9776
9777         * config/i386/i386.md (call_1, sibcall_1, call_1_rex64): Use Pmode
9778         for constant_call_address_operand.
9779         (call_value_pop_1, call_value_1): Likewise.
9780         (sibcall_value_1, call_value_1_rex64): Likewise.
9781
9782 2004-08-13  James E Wilson  <wilson@specifixinc.com>
9783
9784         * config/mips/sb1.md (ir_sb1_divdf_2pipes, ir_sb1_divdf_1pipe):
9785         Correct mode from SFmode to DFmode.
9786
9787 2004-08-13  Ziemowit Laski  <zlaski@apple.com>
9788
9789         * config/darwin.h (EXTRA_SECTION_FUNCTIONS): Mark the __sel_fixup,
9790         __cstring_object and __image_info sections with the no_dead_strip
9791         attribute.
9792
9793 2004-08-13  Roger Sayle  <roger@eyesopen.com>
9794             David Billinghurst  <David.Billinghurst@riotinto.com>
9795
9796         PR libgfortran/15930
9797         * fixinc/inclhack.def (irix___generic1, irix___generic2): New.
9798         * fixinc/fixincl.x: Regenerate.
9799         * fixinc/tests/base/internal/math_core.h: New file.
9800
9801 2004-08-13  Richard Henderson  <rth@redhat.com>
9802
9803         * dbxout.c (NO_DBX_FUNCTION_END): Default to zero.
9804         (dbxout_function_end): Remove ifdefs for it.
9805         (dbxout_begin_prologue): Protect N_BNSYM with it, and gdb extensions.
9806
9807 2004-08-13  Richard Henderson  <rth@redhat.com>
9808
9809         * Makefile.in (insn-preds.o): Depend on TREE_H.
9810         * genpreds.c (write_insn_preds_c): Include tree.h.
9811         * config/alpha/alpha.c (reg_or_0_operand, reg_or_6bit_operand,
9812         reg_or_8bit_operand, cint8_operand, add_operand, sext_add_operand,
9813         const48_operand, and_operand, or_operand, mode_width_operand,
9814         mode_mask_operand, mul8_operand, const0_operand,
9815         hard_fp_register_operand, hard_int_register_operand,
9816         reg_or_cint_operand, some_operand, some_ni_operand, input_operand,
9817         samegp_function_operand, direct_call_operand, small_symbolic_operand,
9818         global_symbolic_operand, call_operand, symbolic_operand,
9819         dtp16_symbolic_operand, dtp32_symbolic_operand,
9820         gotdtp_symbolic_operand, tp16_symbolic_operand, tp32_symbolic_operand,
9821         gottp_symbolic_operand, alpha_comparison_operator,
9822         alpha_zero_comparison_operator, alpha_swapped_comparison_operator,
9823         signed_comparison_operator, alpha_fp_comparison_operator,
9824         divmod_operator, fix_operator, aligned_memory_operand,
9825         unaligned_memory_operand, reg_or_unaligned_mem_operand,
9826         any_memory_operand, reg_not_elim_operand, normal_memory_operand,
9827         reg_no_subreg_operand, addition_operation): Move to predicates.md.
9828         (reg_or_const_int_operand): Remove.  Replace all users with
9829         reg_or_cint_operand.
9830         (tls_symbolic_operand_1): Export.  Don't check mode or for CONST.
9831         (resolve_reload_operand): Split out of aligned_memory_operand.
9832         * config/alpha/alpha-protos.h: Update for exports.
9833         * config/alpha/alpha.h (PREDICATE_CODES): Remove.
9834         * config/alpha/alpha.md: Include predicates.md.
9835         * config/alpha/predicates.md: New file.
9836
9837 2004-08-13  Richard Sandiford  <rsandifo@redhat.com>
9838
9839         * genattrtab.c (insn_ent): Replace insn_code, insn_index and lineno
9840         fields with a pointer to the instruction definition.
9841         (get_attr_value, fill_attr, make_length_attrs, remove_insn_ent)
9842         (insert_insn_ent, simplify_test_exp, optimize_attrs, write_attr_get)
9843         (write_attr_case, write_const_num_delay_slots): Update accordingly.
9844         (write_attr_case, write_const_num_delay_slots): Write the name of
9845         an insn next to its case statement.
9846         * genoutput.c (data): Add a filename field.
9847         (gen_insn, gen_peephole, gen_expand, gen_split): Set it.
9848         (output_insn_data): Print the location of each insn definition.
9849         * genrecog.c (write_action): Print the name of an insn above
9850         the statement that returns its code.
9851
9852 2004-08-12  Andrew Pinski  <pinskia@physics.uc.edu>
9853
9854         * config/darwin-c.c (find_subframework_file): Fix spelling of cannot.
9855         * config/libgloss.h: Likewise.
9856         * config/arm/arm.c (arm_gen_load_multiple): Likewise.
9857         * c4x/c4x-modes.def: Likewise.
9858         * config/c4x/c4x.c (c4x_hard_regno_rename_ok): Likewise.
9859         (c4x_rptb_nop_p): Likewise.
9860         (c4x_rptb_valid_p): Likewise.
9861         (c4x_rptb_insert): Likewise.
9862         (c4x_address_conflict): Likewise.
9863         * config/c4x/c4x.md: Likewise.
9864         * config/frv/frv.md: Likewise.
9865         * config/i386/athlon.md: Likewise.
9866         * config/i386/i386.md: Likewise.
9867         * config/i386/predicates.md: Likewise.
9868         * config/ia64/ia64.c: Likewise.
9869         * config/ia64/itanium1.md: Likewise.
9870         * config/ia64/itanium2.md: Likewise.
9871         * config/iq2000/iq2000.md: Likewise.
9872         * config/mcore/mcore.c: Likewise.
9873         * config/mips/mips.c: Likewise.
9874         * config/mips/r3900.h: Likewise.
9875         * config/mips/sb1.md: Likewise.
9876         * config/pa/milli64.S: Likewise.
9877         * config/pa/pa.c: Likewise.
9878         * config/pa/pa.h: Likewise.
9879         * config/rs6000/8540.md: Likewise.
9880
9881 2004-08-13  Daniel Berlin  <dberlin@dberlin.org>
9882
9883         * Makefile.in (BOOT_CFLAGS): Remove accidental addition of -dU.
9884
9885 2004-08-13  J"orn Rennecke <joern.rennecke@superh.com>
9886
9887         * sh.md (cbranch define_delay) Use cond_delay_slot for
9888         non-anulled condition too.
9889
9890 2004-08-12  David Edelsohn  <edelsohn@gnu.org>
9891
9892         * config/rs6000/rs6000.c (any_parallel_operand): New predicate.
9893         * config/rs6000/rs6000.h (PREDICATE_CODES): Add
9894         any_parallel_operand, lmw_operation, stmw_operation,
9895         mfcr_operation, mtcrf_operation.  Remove PARALLEL from any_operand.
9896         * config/rs6000/rs6000.md (save_fpregs_{si,di}): Use
9897         any_parallel_operand.
9898         (return_and_restore_fpregs_{si,di}): Same.
9899
9900 2004-08-12  Zack Weinberg  <zack@codesourcery.com>
9901
9902         * genrecog.c (add_to_sequence): When processing a MATCH_PARALLEL,
9903         if pred->singleton != PARALLEL, issue a warning and pretend it was.
9904         Also issue a warning for any predicate we don't know about.
9905
9906 2004-08-12  Richard Henderson  <rth@redhat.com>
9907
9908         * config/i386/i386.c (internal_label_prefix): Export.
9909         (internal_label_prefix_len, struct ix86_address,
9910         ix86_decompose_address, maybe_get_pool_constant,
9911         ix86_fp_compare_code_to_integer, ix86_fp_comparison_codes,
9912         memory_address_length): Export.
9913         (any_fp_register_operand, fp_register_operand,
9914         register_and_not_any_fp_reg_operand, register_and_not_fp_reg_operand,
9915         x86_64_general_operand, x86_64_szext_general_operand,
9916         x86_64_nonmemory_operand, x86_64_movabs_operand,
9917         x86_64_szext_nonmemory_operand, x86_64_immediate_operand,
9918         x86_64_zext_immediate_operand, const_int_1_31_operand,
9919         symbolic_operand, pic_symbolic_operand, local_symbolic_operand,
9920         tls_symbolic_operand, global_dynamic_symbolic_operand,
9921         local_dynamic_symbolic_operand, initial_exec_symbolic_operand,
9922         local_exec_symbolic_operand, call_insn_operand, sibcall_insn_operand,
9923         constant_call_address_operand, const0_operand, const1_operand,
9924         const248_operand, const_0_to_3_operand, const_0_to_7_operand,
9925         const_0_to_15_operand, const_0_to_255_operand, incdec_operand,
9926         shiftdi_operand, reg_no_sp_operand, mmx_reg_operand,
9927         general_no_elim_operand, nonmemory_no_elim_operand,
9928         index_register_operand, q_regs_operand, flags_reg_operand,
9929         non_q_regs_operand, zero_extended_scalar_load_operand,
9930         vector_move_operand, no_seg_address_operand, sse_comparison_operator,
9931         ix86_comparison_operator, ix86_carry_flag_operator,
9932         fcmov_comparison_operator, promotable_binary_operator,
9933         cmp_fp_expander_operand, ext_register_operand, binary_fp_operator,
9934         mult_operator, div_operator, arith_or_logical_operator,
9935         memory_displacement_operand, cmpsi_operand, long_memory_operand,
9936         aligned_operand): Move to predicates.md as define_predicates.
9937         (tls_symbolic_operand_1): Remove.
9938         (x86_64_sign_extended_value): Merge into x86_64_immediate_operand.
9939         (x86_64_zero_extended_value): Merge into x86_64_zext_immediate_operand.
9940         (legitimize_address): Merge tls_symbolic_operand contents.
9941         (ix86_expand_move): Likewise.
9942         * config/i386/i386-protos.h: Update for exports.
9943         * config/i386/i386.h (EXTRA_CONSTRAINT): Update for renames.
9944         (PREDICATE_CODES, SPECIAL_MODE_PREDICATES): Remove.
9945         * config/i386/i386.md: Include predicates.md.
9946         * config/i386/predicates.md: New file.
9947
9948 2004-08-13  Mark Mitchell  <mark@codesourcery.com>
9949
9950         PR c++/16924
9951         * config/i386/winnt.c (i386_pe_mark_dllexport): Set
9952         SYMBOL_REF_DECL.
9953         (i386_pe_mark_dllimport): Likewise.
9954         (i386_pe_encode_section_info): Likewise, when overriding
9955         dllimport attribute.
9956
9957 2004-08-12  Geoffrey Keating  <geoffk@apple.com>
9958
9959         * configure.ac: When testing for flex, nm, ar, and bison, check
9960         that they will actually be built.
9961         * configure: Regenerate.
9962
9963 2004-08-12  Ulrich Weigand  <uweigand@de.ibm.com>
9964
9965         * config/s390/s390.h (MAX_FIXED_MODE_SIZE): Define.
9966         (MOVE_MAX_PIECES): Define.
9967
9968 2004-08-12  Devang patel  <dpatel@apple.com>
9969
9970         * dbxout.c (dbxout_begin_prologue): New function.
9971         (dbx_debug_hooks): Use new begin prologue hook.
9972         (dbxout_function_end): Emit N_ENSYM.
9973         * stab.def (N_BNSYM, N_ENSYM): Define and document these two new stabs.
9974
9975 2004-08-12  Janis Johnson  <janis187@us.ibm.com>
9976
9977         * config/rs6000/altivec.h (vec_dst): Fix C++ functions whose first
9978         argument is float*.
9979
9980         * config/rs6000/rs6000.c (altivec_init_builtins): Fix argument type
9981         for vec_dss.
9982
9983         * doc/extend.texi (AltiVec builtins): Fix description for recent
9984         changes.  Update operation list to match current support.
9985
9986 2004-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
9987
9988         * config/s390/s390.c (struct s390_frame_layout): New struct as element
9989         of struct machine_function.
9990         (cfun->machine->frame_size): Moved into cfun->machine->frame_layout and
9991         changed all uses.
9992         (cfun->machine->save_fprs_p): Replaced by cfun_save_high_fprs and
9993         changed all uses.
9994         (cfun_frame_layout, cfun_save_high_fprs_p, cfun_gprs_save_area_size)
9995         (cfun_set_fpr_bit, cfun_fpr_bit_p): New macros.
9996         (s390_frame_area, s390_register_info): New functions.
9997         (s390_optimize_prolog): Renamed to s390_optimize_prologue.  Added check
9998         for base register.
9999         (s390_return_addr_rtx, s390_return_address_offset)
10000         (s390_va_start, s390_gimplify_va_arg)
10001         (s390_emit_prologue, s390_emit_epilogue): Adjusted for new stack
10002         layouts.
10003         (s390_frame_info): Functionality partly moved to s390_register_info.
10004         Made adaptions for new stack layout.
10005         (save_gprs, restore_gprs): Changed meaning of second parameter and
10006         adapted all callers.
10007
10008         * config/s390/s390.h (s390_backchain_string): New global variable.
10009         (MASK_BACKCHAIN): Removed definition.
10010         (TARGET_BACKCHAIN): Changed check.
10011         (TARGET_KERNEL_BACKCHAIN): New macro.
10012         (TARGET_SWITCHES): Removed entries of "backchain" and "no-backchain".
10013         (TARGET_OPTIONS): Added "backchain", "no-backchain" and
10014         "kernel-backchain".
10015         (DYNAMIC_CHAIN_ADDRESS): Adjusted for new stack layouts.
10016
10017         * config/s390/s390.md ("allocate_stack"): Added TARGET_KERNEL_BACKCHAIN
10018         as condition.  Adjusted for new stack layout.
10019
10020         * doc/invoke.texi: Added documentation for new option
10021         "-mkernel-backchain" and adjusted documentation of "-mbackchain" and
10022         "-mno-backchain".
10023
10024 2004-08-12  Paul Brook  <paul@codesourcery.com>
10025
10026         * config/arm/lib1funcs.asm (ARM_FUNC_ALIAS): Also alias _L__name.
10027         (aeabi_uidivmod, aeabi_idivmod): Provide thumb implementation.
10028
10029 2004-08-12  David Daney  <ddaney@avtrex.com>
10030
10031         * java/gcj.texi:  Add subsection on signal usage.
10032
10033 2004-08-12  David Edelsohn  <edelsohn@gnu.org>
10034
10035         * expr.c (move_by_pieces): Set alignment for move to minimum of
10036         MOVE_MAX_PIECES mode alignment and the largest non-slow mode
10037         alignment, but not less than the original alignment.
10038         (move_by_pieces_ninsns): Same.
10039         (can_store_by_pieces): Similar for store with STORE_MAX_PIECES.
10040         (store_by_pieces_1): Same.
10041
10042 2004-08-12  Diego Novillo  <dnovillo@redhat.com>
10043
10044         PR tree-optimization/16867
10045         * tree.c (is_global_var): New function.
10046         (needs_to_live_in_memory): Check for TREE_ADDRESSABLE.
10047         Call is_global_var.
10048         * tree.h (DECL_NEEDS_TO_LIVE_IN_MEMORY_INTERNAL): Remove.
10049         Update all users.
10050         (is_global_var): Declare.
10051         * tree-dfa.c (dump_variable): Display global and addressable
10052         attributes.
10053         (add_referenced_var): Clarify documentation when marking
10054         variables call-clobbered.
10055         * tree-flow-inline.h (is_call_clobbered): Call is_global_var
10056         instead of needs_to_live_in_memory.
10057         (mark_call_clobbered): If the variable is a tag, mark it
10058         DECL_EXTERNAL.
10059         * tree-gimple.c (is_gimple_reg): Don't check for
10060         TREE_ADDRESSABLE.
10061         (is_gimple_non_addressable): Likewise.
10062         * tree-ssa-alias.c (get_nmt_for): Always check whether the tag
10063         needs to be marked call-clobbered.
10064         (setup_pointers_and_addressables): Call is_global_var instead
10065         of needs_to_live_in_memory.
10066         * tree-ssa-dce.c (need_to_preserve_store): Remove.
10067         Update all users with is_global_var.
10068         (mark_stmt_if_obviously_necessary): Fix processing of aliased
10069         stores.  Don't check the virtual definitions.  Rather, check
10070         whether the store is going into global memory.
10071         (find_obviously_necessary_stmts): Get the symbol from the PHI
10072         result.
10073         * tree-ssa-operands.c (get_call_expr_operands): Do not add
10074         clobbering may-defs if the call does not have side effects.
10075
10076 2004-08-12  Jakub Jelinek  <jakub@redhat.com>
10077
10078         PR c++/16276
10079         * output.h (default_function_rodata_section,
10080         default_no_function_rodata_section): New prototypes.
10081         * target.h (struct gcc_target): Add asm_out.function_rodata_section.
10082         * target-def.h (TARGET_ASM_FUNCTION_RODATA_SECTION): Define.
10083         (TARGET_ASM_OUT): Add it.
10084         * varasm.c (default_function_rodata_section,
10085         default_no_function_rodata_section): New functions.
10086         * final.c (final_scan_insn): Call
10087         targetm.asm_out.function_rodata_section instead of
10088         readonly_data_section.
10089         * config/darwin.h (TARGET_ASM_FUNCTION_RODATA_SECTION): Define.
10090         * config/mcore/mcore.c (TARGET_ASM_FUNCTION_RODATA_SECTION): Likewise.
10091         * config/ip2k/ip2k.c (TARGET_ASM_FUNCTION_RODATA_SECTION): Likewise.
10092         * config/rs6000/xcoff.h (TARGET_ASM_FUNCTION_RODATA_SECTION):
10093         Likewise.
10094         * config/alpha/alpha.c (TARGET_ASM_FUNCTION_RODATA_SECTION): Likewise.
10095         * config/i386/cygming.h (TARGET_ASM_FUNCTION_RODATA_SECTION):
10096         Likewise.
10097         * config/i386/i386-interix.h (TARGET_ASM_FUNCTION_RODATA_SECTION):
10098         Likewise.
10099         * config/arm/pe.h (TARGET_ASM_FUNCTION_RODATA_SECTION): Likewise.
10100         * config/avr/avr.c (TARGET_ASM_FUNCTION_RODATA_SECTION): Likewise.
10101         * doc/tm.texi (TARGET_ASM_FUNCTION_RODATA_SECTION): Document.
10102
10103 2004-08-12  Paul Brook  <paul@codesourcery.com>
10104
10105         * dwarf2out.h (dwarf2out_frame_finish): Conditionalize outputting eh
10106         frame info.
10107         * doc/tm.texi: Document interaction between TARGET_UNWIND_INFO and
10108         DWARF2_UNWIND_INFO.
10109
10110 2004-08-12  Ben Elliston  <bje@au.ibm.com>
10111
10112         PR target/16286
10113         * config/rs6000/altivec.h: Change vector to __vector throughout.
10114         (Except for the `vector' macro itself).
10115
10116 2004-08-12  Zack Weinberg  <zack@codesourcery.com>
10117
10118         * genpreds.c: Add capability to generate predicate bodies as
10119         well as function prototypes.  Write function prototypes for
10120         the generic predicates too.
10121         (process_define_predicate, write_tm_preds_h, write_insn_preds_c)
10122         (write_predicate_subfunction, mark_mode_tests, add_mode_tests)
10123         (write_match_code, write_predicate_expr, write_one_predicate_function)
10124         (parse_option): New functions.
10125         (output_predicate_decls): Delete.
10126         (main): Read the machine description, process DEFINE_PREDICATE or
10127         DEFINE_SPECIAL_PREDICATE patterns, write tm-preds.h or insn-preds.c
10128         as appropriate.
10129
10130         * genrecog.c (struct decision_test): Replace index with
10131         struct pred_data pointer.
10132         (next_index): Remove, unused.
10133         (pred_table, preds, special_mode_pred_table): Delete.
10134         (compute_predicate_codes, process_define_predicate): New functions.
10135         (validate_pattern, add_to_sequence, write_switch): Update for
10136         new data structures.
10137         (main): Handle DEFINE_PREDICATE and DEFINE_SPECIAL_PREDICATE.
10138         Check both error_count and have_error.
10139
10140         * gensupport.c (in_fname, first_predicate): New globals.
10141         (define_pred_queue, define_pred_tail): New RTL-pattern queue.
10142         (predicate_table, last_predicate, old_pred_table)
10143         (old_special_pred_table): New statics.
10144         (hash_struct_pred_data, eq_struct_pred_data, lookup_predicate)
10145         (add_predicate, init_predicate_table): New functions.
10146         (process_rtx): Handle DEFINE_PREDICATE and DEFINE_SPECIAL_PREDICATE.
10147         (init_md_reader_args_cb): Use the global in_fname.  No need to zero
10148         it or max_include_len.  Call init_predicate_table.
10149         (read_rtx): Run the predicate queue after the attribute queue
10150         but before all the others.
10151         * gensupport.h (in_fname, struct pred_data, first_predicate)
10152         (lookup_predicate, add_predicate, FOR_ALL_PREDICATES): Declare.
10153         * rtl.def (MATCH_CODE, MATCH_TEST, DEFINE_PREDICATE)
10154         (DEFINE_SPECIAL_PREDICATE): New RTL codes.
10155         * dummy-conditions.c: Don't include bconfig.h, system.h,
10156         coretypes.h, tm.h, or system.h.  Do include stddef.h.
10157         Duplicate declaration of struct c_test from gensupport.h.
10158
10159         * Makefile.in (OBJS-common): Add insn-preds.o.
10160         (STAGESTUFF, .PRECIOUS): Add insn-preds.c.
10161         (insn-preds.c, insn-preds.o): New rules.
10162         (s-preds): Also generate insn-preds.c.
10163         (dummy-conditions.o, genpreds$(build_exeext), genpreds.o):
10164         Update dependencies.
10165         (print-rtl.o, print-rtl1.o): Correct dependencies.
10166
10167         * recog.h: Delete prototypes of predicate functions.
10168
10169         * doc/md.texi (Predicates): New section with complete
10170         documentation of operand/operator predicates.  Remove some
10171         incomplete documentation of predicates from other places.
10172         * doc/tm.texi (Misc): Move SPECIAL_MODE_PREDICATES next to
10173         PREDICATE_CODES; indicate that both are deprecated in favor
10174         of define_predicate/define_special_predicate.
10175
10176         * config/ia64/ia64.c: All predicate function definitions moved
10177         to ia64.md, except
10178         (small_addr_symbolic_operand, tls_symbolic_operand): Delete.
10179         (ia64_expand_load_address, ia64_expand_move):
10180         Check SYMBOL_REF_TLS_MODEL directly, don't use tls_symbolic_operand.
10181
10182         * config/ia64/ia64.md: All predicates now defined here.
10183         (symbolic_operand): Is now a special predicate.
10184
10185         * config/ia64/ia64.h: Declare ia64_section_threshold.
10186         (PREDICATE_CODES): Delete.
10187
10188 2004-08-12  Richard Henderson  <rth@redhat.com>
10189
10190         * c-common.h (STATEMENT_LIST_HAS_LABEL): New.
10191         * c-semantics.c (add_stmt): Set it.
10192         * c-decl.c (finish_decl): Use it to create a new BIND_EXPR
10193         before instantiating a variable sized type.
10194
10195 2004-08-12  Richard Henderson  <rth@redhat.com>
10196
10197         * stor-layout.c (round_up, round_down): Move ...
10198         * fold-const.c (round_up, round_down): ... here.  Use
10199         multiple_of_p to avoid any arithmetic at all.
10200
10201 2004-08-12  Richard Henderson  <rth@redhat.com>
10202
10203         * gimplify.c (struct gimplify_init_ctor_preeval_data): New.
10204         (gimplify_init_ctor_preeval_1): New.
10205         (gimplify_init_ctor_preeval): New.
10206         (gimplify_init_ctor_eval): New.
10207         (gimplify_init_constructor): Use them.  Always gimplify the LHS
10208         object first.
10209
10210 2004-08-12  Ziemowit Laski  <zlaski@apple.com>
10211
10212         (This patch is part of merge of objc-improvements-branch
10213         into mainline.)
10214
10215         * doc/frontends.texi: Mention Objective-C++ in addition to
10216         Objective-C.
10217         * doc/install.texi: Add 'obj-c++' to list of configurable
10218         languages.
10219         * doc/invoke.texi: Rename Objective-C option headings to
10220         indicate they also apply to Objective-C++.  List file
10221         extensions for Objective-C++ sources.  Mention that
10222         ObjC and ObjC++ compilations may also use C and C++ options,
10223         respectively.  Point users to doc/standards.texi for
10224         further info on ObjC and ObjC++.
10225         * doc/sourcebuild.texi: Mention the objcp/ directory and
10226         the Objective-C++ sources it contains.
10227         * doc/standards.texi: Update link to Apple ObjC site;
10228         add link to gcc readings.html WWW doc.
10229
10230 2004-08-12  Alan Modra  <amodra@bigpond.net.au>
10231
10232         * config/rs6000/rs6000.c (function_arg_padding): Revert 2004-07-28
10233         and 2004-07-14 changes.
10234
10235 2004-08-12  Paul Brook  <paul@codesourcery.com>
10236
10237         * doc/invoke.texi: Fix typo.
10238
10239 2004-08-11 Devang Patel  <dpatel@apple.com>
10240
10241         * config/darwin.h (TARGET_OPTION_TRANSLATE_TABLE): Add -dead_strip
10242         and -no_dead_strip_inits_and_terms.
10243         (LINK_SPEC): Same.
10244         * doc/invoke.texi (Darwin Options): Document -dead_strip and
10245         -no_dead_strip_inits_and_terms.
10246
10247 2004-08-11  Paul Brook  <paul@codesourcery.com>
10248
10249         * config/arm/arm-protos.h (arm_finalize_pic) Rename ...
10250         (arm_load_pic_register): ... to this.
10251         * config/arm/arm.c (arm_finalize_pic): Rename ...
10252         (arm_load_pic_register): ... to this.  Always output insns at the
10253         current location.  Load via low reg in thumb mode.
10254         (arm_expand_prologue): Call arm_load_pic_register.
10255         (thumb_expand_prologue): Ditto.
10256         * config/arm/arm.h (FINALIZE_PIC): Remove.
10257         * config/arm/arm.md (builtin_setjmp_receiver): Call
10258         arm_load_pic_register.
10259
10260 2004-08-11  Paul Brook  <paul@codesourcery.com>
10261
10262         * arm.c (thumb_force_lr_save): Add prototype.
10263         (thumb_compute_save_reg_mask): New function.
10264         (thumb_find_work_register): New function.
10265         (arm_get_frame_offsets): Use thumb_compute_save_reg_mask.
10266         (thumb_unexpanded_epilogue): Ditto.  Remove redundant code.
10267         Don't clobber r3 when removing pretend args.
10268         (thumb_expand_prologue): Use thumb_compute_save_reg_mask.
10269         (thumb_output_function_prologue): Use new functions.
10270         (thumb_set_return_address): Use thumb_compute_save_reg_mask.
10271         * arm.h (THUMB_REG_PUSHED_P): Remove.
10272
10273 2004-08-11  James E Wilson  <wilson@specifixinc.com>
10274
10275         PR rtl-optimization/16490
10276         * cfgrtl.c (cfg_layout_split_edge): Set global_live_at_start and
10277         global_live_at_end for new basic block if already set for other blocks.
10278
10279 2004-08-11 David Edelsohn  <edelsohn@gnu.org>
10280
10281         * config/rs6000/rs6000.h (MAX_FIXED_MODE_SIZE): Define.
10282
10283         * config/rs6000/rs6000.md (mfcr rlwinm patterns): Set length to 8.
10284         (mfcr rlwinm rlwinm patterns): Set length to 12.
10285
10286 2004-08-11  Andrew MacLeod  <amacleod@redhat.com>
10287
10288         * tree-flow-inline.h (get_def_ops, get_use_ops, get_v_may_def_ops,
10289         get_vuse_ops,get_v_must_def_ops): Add operand structure reference.
10290         (get_v_may_def_result_ptr, get_v_may_def_op_ptr): New access struct.
10291         (start_ssa_stmt_operands): Delete.
10292         * tree-flow.h (struct stmt_ann_d): Replace operand vectors with new
10293         struct stmt_operands_d.
10294         (build_ssa_operands): New extern entry point.
10295         * tree-ssa-dom.c (record_equivalences_from_stmt): Remove operand
10296         building code, replace with create_ssa_artficial_load_stmt().
10297         * tree-ssa-operands.c (struct voperands_d): Delete.
10298         (allocate_v_may_def_optype): Allocate v_may_def_operand_type_t vector.
10299         (allocate_v_must_def_optype): Use sizeof (tree), not sizeof (tree *).
10300         (free_uses, free_defs, free_vuses, free_v_may_defs,
10301         free_v_must_defs): Remove dealloc parameter.
10302         (remove_vuses, remove_v_may_def, remove_v_must_defs): Delete.
10303         (finalize_ssa_defs, finalize_ssa_uses, finalize_ssa_v_may_defs,
10304         finalize_ssa_vuses, finalize_ssa_v_must_defs): Perform all operand
10305         vector comparisons, ssa_name reuse, and allocations here.
10306         (verify_start_operands): Delete.
10307         (finalize_ssa_stmt_operands): Set new operands by calling finalize
10308         routines.
10309         (start_ssa_stmt_operands): Move from tree-flow-inline.h.
10310         (append_def, append_usei): Simplify to simple accumulation.
10311         (append_v_may_def, append_vuse, append_v_must_def): Simplify to avoiding
10312         duplicates and simple accumulation.
10313         (free_ssa_operands): Free vectors in a stmt_operand structure.
10314         (build_ssa_operands): New. Create a new stmt_operand structure from
10315         a stmt and an old set of stmt_operands.
10316         (get_stmt_operands): Simplify and call build_ssa_operands.
10317         (get_expr_operands, get_asm_expr_operands, get_indirect_ref_operands,
10318         get_call_expr_operands, add_stmt_operand, add_call_clobber_ops,
10319         add_call_read_ops): Don't pass prev_vops around anymore.
10320         (note_addressable): Return if no stmt annotation.
10321         (copy_virtual_operands): Access v_may_def operands through a struct.
10322         (create_ssa_artficial_load_stmt): New.  Create a load stmt for DOM's
10323         hash tables without treating the stmt as a real stmt.
10324         * tree-ssa-operands.h (struct v_may_def_operand_type): New.  Access
10325         v_may_def def and use through a struct instead of 2 array elements.
10326         (struct v_may_def_optype_d): Use v_may_def_operand_type.
10327         (struct stmt_operands_d): New.  Struct for storing all operand vectors.
10328
10329 2004-08-11  Nick Clifton  <nickc@redhat.com>
10330
10331         * config/arm/arm.c (arm_is_longcall_p): Update comment describing
10332         this funciton's behaviour.  Return true when the current function
10333         has a section attribute and -mlong-calls is in effect.
10334         * config/arm/arm.h (ARM_DECLARE_FUNCTION_SIZE): Do not set the
10335         short-call marker when -mlong-calls is in effect and the function
10336         has a section attribute.
10337
10338 2004-08-10  Zack Weinberg  <zack@codesourcery.com>
10339
10340         * stmt.c (expand_return): If asked to return the RESULT_DECL,
10341         just call expand_value_return on result_rtl.
10342
10343 2004-08-10  Richard Henderson  <rth@redhat.com>
10344
10345         * builtins.def (BUILT_IN_STACK_ALLOC): Remove.
10346         * builtins.c (expand_builtin) <BUILT_IN_STACK_ALLOC>: Remove.
10347         * dwarf2out.c (loc_descriptor): Handle PARALLEL here ...
10348         (add_location_or_const_value_attribute): ... not here.  Use
10349         loc_descriptor_from_tree if possible.
10350         (loc_descriptor_from_tree_1): Rename from loc_descriptor_from_tree.
10351         Simplify address handling.  Handle DECL_VALUE_EXPR.  Handle register
10352         values specially.
10353         (loc_descriptor_from_tree): New.  Update callers.
10354         * expr.c (expand_var): Ignore DECL_VALUE_EXPR variables.
10355         * gimplify.c (gimplify_decl_expr): Lower variable sized types to
10356         pointer plus dereference.  Set DECL_VALUE_EXPR.  Set save_stack.
10357         (gimplify_call_expr): Do not recognize BUILT_IN_STACK_ALLOC
10358         and BUILT_IN_STACK_RESTORE.
10359         (gimplify_expr): Lower DECL_VALUE_EXPR decls.
10360         * stmt.c (expand_stack_alloc): Remove.
10361         * tree-mudflap.c (mx_register_decls): Don't look for
10362         BUILT_IN_STACK_ALLOC.
10363         * tree-nested.c (convert_local_reference): Likewise.
10364         * tree.h (DECL_VALUE_EXPR): New.
10365
10366 2004-08-10  Richard Henderson  <rth@redhat.com>
10367
10368         * stor-layout.c (round_up): Check for 0/1 before dividing.
10369         (round_down): Likewise.
10370
10371         * tree-tailcall.c (suitable_for_tail_opt_p): Also check DECL_EXTERNAL.
10372
10373 2004-08-09  Mark Mitchell  <mark@codesourcery.com>
10374
10375         * config.gcc (arm*-*-eabi*): New target.
10376         * defaults.h (TARGET_LIBGCC_FUNCS): New macro.
10377         (TARGET_LIB_INT_CMP_BIASED): Likewise.
10378         * expmed.c (expand_divmod): Try a two-valued divmod function as a
10379         last resort.
10380         * gthr.h: Remove bogus tokens at end of #pragma.
10381         * optabs.c (expand_twoval_binop_libfunc): New function.
10382         (prepare_cmp_insn): Handle the !TARGET_LIB_INT_CMP_BIASED case.
10383         (prepare_float_lib_cmp): Try reversing the condition.
10384         (debug_optab_libfuncs): New function.
10385         * optabs.h (expand_twoval_binop_libfunc): Declare.
10386         * config/arm/arm.c (arm_init_libfuncs): New function.
10387         (arm_compute_initial_eliminatino_offset): Return HOST_WIDE_INT.
10388         (TARGET_INIT_LIBFUNCS): Define it.
10389         * config/arm/arm.h (TARGET_BPABI): New macro.
10390         * config/arm/arm-protos.h
10391         (arm_compute_initial_elimination_offset): Return HOST_WIDE_INT.
10392         * config/arm/bpabi.S: New file.
10393         * config/arm/bpabi.c: Likewise.
10394         * config/arm/bpabi.h: Likewise.
10395         * config/arm/ieee754-df.S (__aeabi_dneg): New function or alias.
10396         (__aeabi_drsub): Likewise.
10397         (__aeabi_dsub): Likewise.
10398         (__aeabi_dadd): Likewise.
10399         (__aeabi_ui2d): Likewise.
10400         (__aeabi_i2d): Likewise.
10401         (__aeabi_f2d): Likewise.
10402         (__aeabi_dmul): Likewise.
10403         (__aeabi_ddiv): Likewise.
10404         (__aeabi_cdrcmple): Likewise.
10405         (__aeabi_cdcmpeq): Likewise.
10406         (__aeabi_cdcmple): Likewise.
10407         (__aeabi_dcmpeq): Likewise.
10408         (__aeabi_dcmplt): Likewise.
10409         (__aeabi_dcmple): Likewise.
10410         (__aeabi_dcmpge): Likewise.
10411         (__aeabi_dcmpgt): Likewise.
10412         (__aeabi_dcmpun): Likewise.
10413         (__aeabi_d2iz): Likewise.
10414         (__aeabi_d2uiz): Likewise.
10415         (__aeabi_d2f): Likewise.
10416         * config/arm/ieee754-sf.S (__aeabi_fneg): New function or alias.
10417         (__aeabi_frsub): Likewise.
10418         (__aeabi_fsub): Likewise.
10419         (__aeabi_fadd): Likewise.
10420         (__aeabi_ui2f): Likewise.
10421         (__aeabi_i2f): Likewise.
10422         (__aeabi_fmul): Likewise.
10423         (__aeabi_fdiv): Likewise.
10424         (__aeabi_cfrcmple): Likewise.
10425         (__aeabi_cfcmpeq): Likewise.
10426         (__aeabi_cfcmple): Likewise.
10427         (__aeabi_fcmpeq): Likewise.
10428         (__aeabi_fcmplt): Likewise.
10429         (__aeabi_fcmple): Likewise.
10430         (__aeabi_fcmpge): Likewise.
10431         (__aeabi_fcmpgt): Likewise.
10432         (__aeabi_fcmpun): Likewise.
10433         (__aeabi_f2iz): Likewise.
10434         (__aeabi_f2uiz): Likewise.
10435         * config/arm/lib1funcs.asm (ARM_CALL): New macro.
10436         (__aeabi_uidivmod): New function or alias.
10437         (__aeabi_idivmod): Likewise.
10438         (__aeabi_idiv0): Likewise.
10439         (__aeabi_ldiv0): Likewise.
10440         (__aeabi_llsr): Likewise.
10441         (__aeabi_lasr): Likewise.
10442         (__aeabi_llsl): Likewise.
10443         (bpabi.S): Include it.
10444         * config/arm/libgcc-bpabi.ver: New file.
10445         * config/arm/symbian.h (ARM_DEFAULT_ABI): Remove.
10446         (LINK_SPEC): Remove.
10447         * config/arm/t-arm-elf (LIB1ASMFUNCS): Add __aeabi_lcmp and
10448         __aeabi_ulcmp.
10449         * config/arm/t-bpabi: New file.
10450         * doc/tm.texi (TARGET_LIBGCC_FUNCS): New entry.
10451         (TARGET_LIB_INT_CMP_BIASED): Likewise.
10452
10453 2004-08-10  David Edelsohn  <edelsohn@gnu.org>
10454
10455         * config/rs6000/rs6000-protos.h (expand_block_clear): Declare.
10456         * config/rs6000/rs6000.md (clrmemsi): New pattern.
10457         * config/rs6000/rs6000.c (expand_block_clear): New function.
10458         (expand_block_move): Convert alignment to bits.  Use SImode and
10459         HImode for unaligned addresses if not STRICT_ALIGNMENT.
10460
10461 2004-08-10  Caroline Tice  <ctice@apple.com>
10462
10463         * varasm.c (unlikely_section_label): New global variable.
10464         (unlikely_text_section_name): New global variable.
10465         (text_section):  Remove alignment statement.
10466         (unlikely_text_section): Remove alignment statement; use
10467         unlikely_section_label rather than hard-coded string.
10468         (assemble_start_function): Initialize unlikely_section_label and
10469         unlikely_text_section_name;  make sure cold section is properly
10470         aligned at start of function; output unlikely_section_label if
10471         appropriate.
10472
10473 2004-08-10  Ulrich Weigand  <uweigand@de.ibm.com>
10474
10475         * config/s390/s390-protos.h (s390_canonicalize_comparison): Declare.
10476         * config/s390/s390.c (s390_canonicalize_comparison): New function.
10477         * config/s390/s390.h (CANONICALIZE_COMPARISON): Define.
10478         * config/s390/s390.md ("*tmdi_ext", "*tmsi_ext", "*tmqisi_ext",
10479         "*tmqidi_ext", "*tmdi_mem", "*tmsi_mem", "*tmhi_mem"): Remove.
10480         ("*tmqi_mem"): Remove SUBREG from pattern.
10481         ("*anddi3_cconly"): Prevent accidentally matching TM pattern.
10482         ("*andsi3_cconly"): Likewise.
10483
10484 2004-08-10  H.J. Lu  <hongjiu.lu@intel.com>
10485
10486         PR target/16909
10487         * config/i386/i386.md (*strsetdi_rex_1): Use DI instead of SI.
10488
10489 2004-08-10  Janis Johnson  <janis187@us.ibm.com>
10490
10491         * doc/sourcebuild.texi (compat testing): Document available test
10492         framework commands.  Use the preferred spelling of DejaGnu.
10493
10494 2004-08-10  Daniel Berlin <dberlin@dberlin.org>
10495
10496         * lambda.h: Add matrix type, and prototypes for remainder of
10497         matrix and vector functions.
10498         (lambda_vector_mult_const): New function.
10499         (lambda_vector_negate): Ditto.
10500         (lambda_vector_add): Ditto.
10501         (lambda_vector_add_mc): Ditto.
10502         (lambda_vector_copy): Ditto.
10503         (lambda_vector_zerop): Ditto.
10504         (lambda_vector_equal): Ditto.
10505         (lambda_vector_min_nz): Ditto.
10506         (lambda_vector_first_nz): Ditto.
10507         (lambda_vector_matrix_mult): Ditto.
10508         * lambda-mat.c: New file.
10509         * Makefile.in (lambda-mat.o): New.
10510
10511 2004-08-10  Andrew MacLeod  <amacleod@redhat.com>
10512
10513         * tree-cfg.c (bsi_insert_before, bsi_insert_after): Call modify_stmt
10514         after linking stmt into the program.
10515         (bsi_remove): Don't call modify_stmt.
10516         * tree-complex.c (update_complex_assignment,
10517         expand_complex_comparison): Call modify_stmt after changing the stmt.
10518         * tree-outof-ssa.c (rewrite_trees): Call modify_stmt only if not
10519         removing the stmt.
10520         * tree-ssa-ccp.c (substitute_and_fold): Call modify_stmt after changing
10521         the stmt, and only if needed.
10522         * tree-ssa-dom.c (thread_across_edge): Pass no annotation for a dummy
10523         expression.
10524         (simplify_rhs_and_lookup_avail_expr): Don't take an annotation param.
10525         (simplify_cond_and_lookup_avail_expr): Use modify_stmt.
10526         (simplify_switch_and_lookup_avail_expr): Don't take an annotation param.
10527         (eliminate_redundant_computations): Don't pass an annotation. Call
10528         modify_stmt rather than setting the annotation directly.
10529         (record_equivalences_from_stmt): Remove unused local 'j'.
10530         (cprop_operand): Take a stmt rather than an annotation as a parameter.
10531         Call modify_stmt.
10532         (cprop_into_stmt): Pass stmt rather than annotation.
10533         (update_rhs_and_lookup_avail_expr): Call modify_stmt.
10534         * tree-ssa-loop-im.c (schedule_sm): Call get_stmt_ann rather than
10535         modify_stmt.
10536         * tree-ssa.c (propagate_into_addr): Dont call modify_stmt.
10537
10538 2004-08-10  Jason Merrill  <jason@redhat.com>
10539
10540         PR middle-end/16948
10541         * function.c (expand_function_start): Handle DECL_BY_REFERENCE on
10542         the RESULT_DECL.
10543
10544 2004-08-10  Geoffrey Keating  <geoffk@apple.com>
10545
10546         * tree-vn.c (val_expr_pair_expr_eq): Compare vuses, to match the
10547         hash function.
10548
10549 2004-08-10  Roger Sayle  <roger@eyesopen.com>
10550
10551         * config/mips/mips.md: New reciprocal square root patterns that
10552         match sqrt(1.0/x) in addition to the existing 1.0/sqrt(x) insns.
10553
10554 2004-08-10  Paul Brook  <paul@codesourcery.com>
10555
10556         * config/arm/arm-protos.h (arm_set_return_address,
10557         thumb_set_return_address): Add prototypes.
10558         * config/arm/arm.h (ARM_FT_EXCEPTION_HANDLER): Remove.
10559         * config/arm/arm.c (arm_compute_func_type,
10560         use_return_insn, arm_compute_save_reg0_reg12_mask,
10561         arm_compute_save_reg_mask, arm_output_function_prologue,
10562         arm_output_epilogue): Replace ARM_FT_EXCEPTION_HANDLER with
10563         current_function_calls_eh_return.
10564         (thumb_exit, thumb_pushpop, thumb_unexpanded_epilogue): Replace
10565         old eh code.
10566         (arm_set_return_address, thumb_set_return_address): New functions.
10567         * config/arm/arm.h (MUST_USE_SJLJ_EXCEPTIONS, DWARF2_UNWIND_INFO,
10568         ARM_EH_STACKADJ_REGNUM, EH_RETURN_STACKADJ_RTX): Define.
10569         * config/arm/arm.md (VUNSPEC_EH_RETURN): Add.
10570         (epilogue): Use the stackadj register.
10571         (eh_return, arm_eh_return, thumb_eh_return): New pattern.
10572
10573 2004-08-10  Jakub Jelinek  <jakub@redhat.com>
10574
10575         PR target/3144
10576         * expr.c (move_by_pieces_ninsns): Add max_size argument.
10577         (MOVE_BY_PIECES_P): Pass MOVE_MAX_PIECES + 1 to it.
10578         (CLEAR_BY_PIECES_P): Pass STORE_MAX_PIECES + 1 to it.
10579         (STORE_BY_PIECES_P): Define similarly to CLEAR_BY_PIECES_P,
10580         but using MOVE_RATIO.
10581         (move_by_pieces): Pass max_size to move_by_pieces_ninsns.
10582         (can_store_by_pieces): Change max_size type to unsigned int.
10583         (store_by_pieces_1): Likewise.  Pass max_size to
10584         move_by_pieces_ninsns.
10585         * config/s390/s390.h (STORE_BY_PIECES_P): Define.
10586         * config/sh/sh.c (MOVE_BY_PIECES_P): Pass MOVE_MAX_PIECES + 1
10587         to move_by_pieces_ninsns.
10588         (STORE_BY_PIECES_P): Define.
10589         * config/ns32k/ns32k.h (STORE_BY_PIECES_P): Pass STORE_MAX_PIECES + 1
10590         to move_by_pieces_ninsns.
10591         * doc/tm.texi (STORE_BY_PIECES_P): Document changed default.
10592
10593         * config/i386/i386.h (CLEAR_RATIO): Define.
10594
10595 2004-08-09  Paolo Bonzini  <bonzini@gnu.org>
10596
10597         * expr.c (expand_expr_real_1): Add back code that was not dead.
10598
10599 2004-08-09  Andrew Pinski  <apinski@apple.com>
10600
10601         * c-common.c (c_common_get_alias_set): Set the aliasing set of the type
10602         which is found to be compatible before returning the aliasing set.
10603
10604 2004-08-09  Daniel Jacobowitz  <dan@debian.org>
10605
10606         * ggc-zone.c (struct alloc_zone): Add statistics counters.
10607         (always_collect): New flag.
10608         (ggc_alloc_zone_1): Update statistics support.  Don't include
10609         overhead in allocated counter.
10610         (sweep_pages): Update allocated counter for large pages.  Don'y
10611         include overhead.
10612         (ggc_collect_1): Always collect.
10613         (ggc_collect): Honor always_collect flag.  Sum all zones to decide
10614         whether to collect.
10615         (SCALE, LABEL): New macros.
10616         (ggc_print_statistics): Add statistics support.
10617
10618 2004-08-09  Roger Sayle  <roger@eyesopen.com>
10619
10620         * expmed.c (sdiv_pow2_cheap, smod_pow2_cheap): Change type to bool.
10621         (init_expmed): Fix potential overrun problem with "all.reg".
10622         (expand_sdiv2_pow2): Add an alternate implementation for signed
10623         division, if the target provides a suitable conditional move insn.
10624
10625 2004-08-09  Paul Brook  <paul@codesourcery.com>
10626         Richard Henderson  <rth@redhat.com>
10627
10628         * unwind-dw2.c (uw_install_context_1): Update target saved stack
10629         pointer.
10630
10631 2004-08-09  Geoffrey Keating  <geoffk@apple.com>
10632
10633         * ggc-common.c (ggc_rlimit_bound): Don't check RSS limit.
10634         Check DATA limit only if there's no AS limit.  Ignore insanely
10635         low DATA limits.
10636         (ggc_min_heapsize_heuristic): Don't divide AS or RSS limits by 8,
10637         but take care that the AS limit isn't overrun.
10638         * doc/invoke.texi: Update documentation of min-heapsize parameter.
10639
10640 2004-08-09  Jeff Law  <law@redhat.com>
10641
10642         * Makefile.in (OBJC-common): Add tree-ssa-threadupdate.c
10643         (tree-ssa-threadupdate.o): Add dependencies.
10644         * tree-ssa-threadupdate.c: New file.
10645         * tree-flow.h (incoming_edge_threaded): New flag in block annotation.
10646         (rewrite_vars_out_of_ssa): Remove prototype.
10647         (cleanup_tree_cfg): Returns a bool.
10648         * tree.h (thread_through_all_blocks): Prototype.
10649         * tree-outof-ssa.c  (SSANORM_*): Move into here.
10650         (remove_ssa_form): Now static.
10651         (rewrite_vars_out_of_ssa): Kill.
10652         * tree-ssa-live.c (register_ssa_partitions_for_vars): Kill.
10653         * tree-ssa-live.h (SSANORM_*): Moved into tree-outof-ssa.c.
10654         (remove_ssa_form, register_partitions_for_vars): Kill declarations.
10655         * tree-cfg.c (cleanup_tree_cfg): Return a value indicating if
10656         anything was changed.
10657         * tree-phinodes.c (add_phi_arg): Get the block for the PHI
10658         from the PHI's annotation rather than the edge associated with
10659         the new argument.
10660         * tree-ssa-dom.c (redirection_edges): Kill.
10661         (redirect_edges_and_update_ssa_graph): Kill.
10662         (tree_ssa_dominator_optimize): Do not reset forwardable flag
10663         for blocks anymore.  Do not initialize redirection_edges.
10664         Call thread_through_all_blocks.  Simplify code for cleanup
10665         of the CFG and iterating.  No longer call cleanup_tree_cfg
10666         outside the iteration loop.
10667         (thread_across_edge): No longer mess with forwardable blocks.
10668
10669 2004-08-09  Zack Weinberg  <zack@codesourcery.com>
10670
10671         * explow.c (memory_address): Use memory_address_p.
10672         * recog.c (general_operand): Likewise.
10673         * regrename.c: No need to define REG_OK_STRICT.
10674
10675 2004-08-09  Steven Bosscher  <stevenb@suse.de>
10676
10677         * timevar.def (TV_CPROP1, TV_CPROP2, TV_PRE, TV_HOIST, TV_LSM):
10678         New timers.
10679         * gcse.c: Include timevar.h.
10680         (const_prop_count, copy_prop_count): Rename to global_const_prop_count
10681         and global_copy_prop_count.
10682         (local_const_prop_count, local_copy_prop_count): New static globals.
10683         (gcse_main): Set the right timevar for each pass.
10684         (cprop_jump): Increment global_const_prop_count when a constant is
10685         propagated.  Add "GLOBAL" to dump output.
10686         (cprop_insn): Increment global_const_prop_count when a constant is
10687         propagated, or global_copy_prop_count when a copy is propagated.
10688         (do_local_cprop): Likewise for local_const_prop_count and
10689         local_copy_prop_count.
10690         (one_cprop_pass): Initialize const/cprop counters to zero.
10691         Print out results of local and global const/cprop separately.
10692         (bypass_block): Break over-length line.
10693         * Makefile.in (gcse.o): Add TIMEVAR_H dependency.  Fix dependencies
10694         for bb-reorder.o and tracer.o.
10695
10696 2004-08-09  Paolo Bonzini  <bonzini@gnu.org>
10697
10698         * Makefile.in (GTFILES): Remove stmt.c
10699         (stmt.o): Do not depend on gt-stmt.h.
10700         * emit-rtl.c (emit_line_note): Do not call
10701         set_file_and_line_for_stmt.
10702         * expr.c (expand_expr_real_1) <SWITCH_EXPR>: Let expand_case
10703         do everything.
10704         * function.c (free_after_parsing): Do not free STMT field.
10705         (allocate_struct_function): Do not call init_stmt_for_function.
10706         (assign_stack_temp_for_type): Do not accept values of keep
10707         other than 0 or 1.
10708         (init_temp_slots): Do not initialize removed variables.
10709         * function.h (struct function): Remove STMT, X_TARGET_TEMP_SLOT_LEVEL
10710         and X_VAR_TEMP_SLOT_LEVEL fields.
10711         * rtl.h (set_file_and_line_for_stmt): Remove.
10712         * stmt.c (struct nesting, ALLOC_NESTING, POPSTACK,
10713         struct stmt_status, cond_stack, case_stack, nesting_stack,
10714         nesting_depth, emit_locus, set_file_and_line_for_stmt,
10715         same_case_target_p, init_stmt_for_function, emit_nop,
10716         expand_start_cond, expand_start_elseif, expand_start_else,
10717         expand_elseif, expand_end_cond): Remove.
10718         (preserve_subexpressions_p): Remove references to CFUN->STMT.
10719         (expand_start_case, expand_end_case_type): Remove, merge into...
10720         (expand_case): ... this one, including other bits from
10721         expand_expr_real_1.  Inline same_case_target_p.  Turn members
10722         of CASE_STACK into local variables.
10723         (emit_case_bit_tests): Inline same_case_target_p.
10724         (add_case_node): Add HEAD argument, return new head of the list,
10725         do not handle default label here.
10726         * tree.h (expand_start_cond, expand_end_cond, expand_start_else,
10727         expand_start_elseif, current_nesting_level, expand_start_case,
10728         expand_end_case_type, expand_end_case, add_case_node,
10729         init_stmt_for_function, expand_elseif): Remove prototypes.
10730         (expand_case): Add prototype.
10731
10732 2004-08-09  Paolo Bonzini  <bonzini@gnu.org>
10733
10734         * expr.c (expand_expr_real_1): Use optab_for_tree_code.
10735
10736 2004-08-09  Paolo Bonzini  <bonzini@gnu.org>
10737
10738         * expr.c (var_rtx): Remove.
10739         (expand_expr_real_1) <LOOP_EXPR, EXIT_EXPR,
10740         LABELED_BLOCK_EXPR, EXIT_BLOCK_EXPR, TRUTH_ANDIF_EXPR,
10741         TRUTH_ORIF_EXPR, COMPOUND_EXPR, CONJ_EXPR, INIT_EXPR>:
10742         Abort.
10743         (expand_expr_real_1) <COND_EXPR>: Remove most special cases.
10744         * optabs.c (emit_clr_insn, emit_0_to_1_insn): Remove.
10745         * optabs.h (emit_clr_insn, emit_0_to_1_insn): Remove.
10746
10747 2004-08-08  Mostafa Hagog  <mustafa@il.ibm.com>
10748         Ayal Zaks <zaks@il.ibm.com>
10749
10750         * common.opt (freschedule-modulo-scheduled-loops): New flag.
10751         * final.c (final_scan_insn): Handle NOTE_DISABLE_SCHED_OF_BLOCK.
10752         * modulo-sched.c (sms_schedule): Emit a note to disable scheduling
10753         when -freschedule-modulo-scheduled-loops flag is not specified.
10754         (sms_schedule_by_order, ps_insn_advance_column, add_node_to_ps,
10755         add_node_to_ps, ps_has_conflicts, ps_add_node_check_conflicts):
10756         More accurate placing of insn in row of partial schedule.
10757         (ps_insn_find_column): New function.
10758         * rtl.h (NOTE_DISABLE_SCHED_OF_BLOCK): New note.
10759         * sched-rgn.c (sched_is_disabled_for_current_region_p): New.
10760         (schedule_region): Use sched_is_disabled_for_current_region_p.
10761         * docs/invoke.texi: Document -freschedule-modulo-scheduled-loops.
10762
10763 2004-08-07  H.J. Lu  <hongjiu.lu@intel.com>
10764
10765         * config/i386/i386.c (ix86_expand_clrmem): Revert the last
10766         change.
10767
10768 2004-08-07  H.J. Lu  <hongjiu.lu@intel.com>
10769
10770         * config/i386/i386.c (ix86_expand_clrmem): Properly call
10771         gen_strset for 64bit target.
10772
10773 2004-08-07  Olivier Hainque  <hainque@act-europe.fr>
10774
10775         * config/vxworks.h (HANDLE_SYSV_PRAGMA): Remove definition.
10776
10777 2004-08-07  Jason Merrill  <jason@redhat.com>
10778
10779         Make return in memory explicit.
10780         * function.c (aggregate_value_p): Check DECL_BY_REFERENCE.
10781         (assign_parm_find_data_types): Remove code for old front end
10782         invisible reference handling.
10783         (assign_parms): Handle DECL_BY_REFERENCE on the RESULT_DECL.
10784         (expand_function_end): Likewise.
10785         * gimplify.c (gimplify_return_expr): Handle a dereferenced
10786         RESULT_DECL.
10787         * tree-inline.c (copy_body_r): Don't bother looking for &* anymore.
10788         (declare_return_variable): Handle DECL_BY_REFERENCE.
10789         * cp/cp-gimplify.c (is_invisiref_parm): Also handle RESULT_DECL.
10790         (cp_genericize_r): Use convert_from_reference.
10791         Don't dereference a RESULT_DECL directly inside a RETURN_EXPR.
10792         (cp_genericize): Handle the RESULT_DECL.  Unset TREE_ADDRESSABLE.
10793
10794         * c-common.c (c_warn_unused_result): Check TREE_USED before
10795         warning about a CALL_EXPR with an unused value.
10796
10797 2004-08-06  Mark Mitchell  <mark@codesourcery.com>
10798
10799         * config/arm/symbian.h (CC1_SPEC): Avoid passing duplicate options
10800         to the compiler.  Use -fshort-wchar by default.
10801
10802 2004-08-06  Pat Haugen  <pthaugen@us.ibm.com>
10803
10804         * params.def (PARAM_MIN_CROSSJUMP_INSNS): New.
10805         * cfgcleanup.c (try_crossjump_to_edge): Add minimum insn match
10806         threshhold.
10807         * doc/invoke.texi (param): Document min-crossjump-insns.
10808
10809 2004-08-06  Richard Sandiford  <rsandifo@redhat.com>
10810
10811         PR c/13282
10812         * c.opt (Wmissing-field-initializers): New option.
10813         * c-opts.c (c_common_post_options): Make -Wextra turn it on by default.
10814         * c-typeck.c (pop_init_level): Guard the missing field warning with
10815         warn_missing_field_initializers rather than extra_warnings.
10816         * doc/invoke.texi (-Wmissing-field-initializers): Document, moving
10817         some of the explanation from...
10818         (-Wextra): ...here.  Say that the missing field warning can be
10819         seperately controlled by -Wmissing-field-initializers.
10820
10821 2004-08-06  Paolo Bonzini  <bonzini@gnu.org>
10822
10823         * expr.c (expand_expr_real_1) <ENTRY_VALUE_EXPR>: Remove.
10824         * tree-inline.c (estimate_num_insns_1) <ENTRY_VALUE_EXPR>: Remove.
10825         * tree-pretty-print.c (dump_generic_node) <ENTRY_VALUE_EXPR>: Remove.
10826         * tree.def (ENTRY_VALUE_EXPR): Remove.
10827
10828 2004-08-06  Jakub Jelinek  <jakub@redhat.com>
10829
10830         * config/i386/i386.c (ix86_expand_clrmem): Move gen_cld down to
10831         the places where it is actually needed.  Don't use repz; stosb
10832         for -Os with sufficiently small constant sizes.
10833         For sufficiently small repz; stos{l,q} repeat counts use a sequence
10834         of stos{l,q} instructions instead.
10835
10836 2004-08-06  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
10837
10838         PR tree-optimization/16807
10839         * loop-iv.c (dump_iv_info): Dump invariants correctly.
10840         (iv_subreg, iv_extend): Express value of invariant purely in
10841         base field.
10842
10843 2004-08-06  Mark Mitchell  <mark@codesourcery.com>
10844
10845         * config/arm/symbian.h (CC1_SPEC): Add -fno-short-enums.
10846         (CC1PLUS_SPEC): Define it to be the same as CC1_SPEC.
10847
10848 2004-08-06  Roman Zippel  <zippel@linux-m68k.org>
10849
10850         * config/m68k/m68k.c (post_inc_operand,pre_dec_operand): New.
10851         * config/m68k/m68k.h (PREDICATE_CODES): add post_inc_operand,
10852         pre_dec_operand.
10853         * config/m68k/m68k.md (zero_extend*2): delay the splitting of the
10854         pattern until reload is finished to allow better code generation
10855         and split them completely into separate instrunctions.
10856         (*andsi3_split): New pattern.
10857
10858 2004-08-05  Mark Mitchell  <mark@codesourcery.com>
10859
10860         * tree.c (handle_dll_attribute): Move here from i383/winnt.c.
10861         Replace use of DECL_INLINE with DECL_DECLARED_INLINE_P.  Set
10862         DECL_VISIBLITY.  Test TARGET_DLLIMPORT_DECL_ATTRIBUTES with #if.
10863         * tree.h (handle_dll_attribute): Declare.  Test
10864         TARGET_DLLIMPORT_DECL_ATTRIBUTES with #if.
10865         * c-common.h (c_determine_visibility): Declare.
10866         * c-common.c (c_determine_visibility): New function.
10867         * c-decl.c (finish_decl): Use it.
10868         (finish_function): Likewise.
10869         * defaults.h (TARGET_DLLIMPORT_DECL_ATTRIBUTES): Define it to
10870         zero, by default.  Use #if, not #ifdef, to test it.
10871         * config/arm/arm.c (arm_attribute_table): Use
10872         handle_dll_attribute.  Test TARGET_DLLIMPORT_DECL_ATTRIBUTES with
10873         #if.
10874         * config/arm/pe.h (TARGET_DLLIMPORT_DECL_ATTRIBUTES): Define to 1.
10875         * config/i386/cygming.h (TARGET_DLLIMPORT_DECL_ATTRIBUTES): Define
10876         to 1.
10877         * config/i386/i386-protos.h (ix86_handle_dll_attribute): Remove.
10878         * config/i386/i386.c (ix86_attribute_table): Use
10879         handle_dll_attribute for dllimport/dllexport.  Test
10880         TARGET_DLLIMPORT_DECL_ATTRIBUTES with #if.
10881         * config/i386/winnt.c (ix86_handle_dll_attribute): Remove.
10882         * config/mcore/mcore.h (TARGET_DLLIMPORT_DECL_ATTRIBUTES): Define
10883         it to 1.
10884         * config/mcore/mcore.c (TARGET_DLLIMPORT_DECL_ATTRIBUTES): Test it
10885         with #if.
10886         * config/sh/symbian-pre.h (TARGET_DLLIMPORT_DECL_ATTRIBUTES): Define
10887         it to 1.
10888         * doc/extend.texi (dllexport): Clarify and correct documentation.
10889         (dllimport): Likewise.
10890         * doc/tm.texi (TARGET_DLLIMPORT_DECL_ATTRIBUTES): Mention
10891         handle_dll_attribute.
10892
10893 2004-08-05  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
10894
10895         * tree-ssa-loop-manip.c: New file.
10896         * Makefile.in (tree-ssa-loop-manip.o): Add.
10897         * tree-flow.h (rewrite_into_loop_closed_ssa, verify_loop_closed_ssa):
10898         Declare.
10899         * tree-ssa-loop.c (tree_loop_optimizer_init): Create loop closed ssa
10900         form.
10901         (tree_ssa_loop_done): Verify loop closed ssa form.
10902         * tree-ssa-loop-im.c (move_computations): Update loop closed ssa form.
10903
10904 2004-08-05  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
10905
10906         * pa.c (pa_asm_output_aligned_bss, pa_asm_output_aligned_common,
10907         pa_asm_output_aligned_local): New functions.
10908         * pa-protos.h: Add prototypes for pa_asm_output_aligned_bss,
10909         pa_asm_output_aligned_common and pa_asm_output_aligned_local.
10910         * pa-pro-end.h (ASM_OUTPUT_ALIGNED_COMMON): Use
10911         pa_asm_output_aligned_common.
10912         (ASM_OUTPUT_ALIGNED_LOCAL): Use pa_asm_output_aligned_local.
10913         * pa.h (ASM_OUTPUT_ALIGNED_BSS): New macro.
10914         (ASM_OUTPUT_ALIGNED_COMMON): Use pa_asm_output_aligned_common.
10915         (ASM_OUTPUT_ALIGNED_LOCAL): Use pa_asm_output_aligned_local.
10916         * pa64-hpux.h (MAX_OFILE_ALIGNMENT): New macro.
10917         (ASM_OUTPUT_ALIGNED_COMMON): Use pa_asm_output_aligned_common.
10918         (ASM_OUTPUT_ALIGNED_LOCAL): Use pa_asm_output_aligned_local.
10919         * som.h (MAX_OFILE_ALIGNMENT): Provide maximum alignment of global
10920         common data.
10921
10922 2004-08-05  Andrew Pinski  <apinski@apple.com>
10923
10924         * objc/objc-act.c (build_objc_string_object): Mark the address
10925         expression as constant.
10926
10927 2004-08-05  David Edelsohn  <edelsohn@gnu.org>
10928
10929         * config/rs6000/rs6000.c (rs6000_rtx_costs): Fix mask_operand
10930         and mask64_operand thinkos.  Handle ZERO_EXTRACT.  Handle
10931         SIGN_EXTEND / ZERO_EXTEND of MEM.  Handle rlwinm patterns.
10932
10933 2004-08-05  Joseph S. Myers  <jsm@polyomino.org.uk>
10934
10935         * config/linux.h, config/i386/linux.h, config/sparc/linux.h:
10936         Remove definitions conditioned on USE_GNULIBC_1 or conditioned
10937         out, and associated obsolete comments.
10938
10939 2004-08-05  Nathan Sidwell  <nathan@codesourcery.com>
10940
10941         * tree.h (force_fit_type): Return a tree, take three flags.
10942         * fold-const.c (force_fit_type): Set TREE_OVERFLOW and
10943         TREE_CONSTANT_OVERFLOW here.
10944         (int_const_binop, const_binop): Adjust.
10945         (size_int_type): Do sign extension here.
10946         (fold_convert_const, optimize_bit_field_compare,
10947         decode_field_reference, all_ones_mask_p, fold_div_compare, fold,
10948         fold_negate_const, fold_abs_const, fold_not_const): Adjust.
10949         * tree.c (size_in_bytes, int_fits_type_p): Adjust.
10950
10951 2004-08-05  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
10952
10953         PR tree-optimization/16864
10954         * tree-tailcall.c (eliminate_tail_call): Do not create phi nodes
10955         for ssa names without default_def.
10956
10957 2004-08-05  Richard Sandiford  <rsandifo@redhat.com>
10958
10959         * config/i386/i386.c (ix86_expand_prologue): If the function uses a
10960         frame pointer, restore eax with an ebp-relative address.
10961
10962 2004-08-04  Geoffrey Keating  <geoffk@apple.com>
10963
10964         PR 14516
10965         * c-common.c (c_expand_decl): Don't special-case static VAR_DECLs.
10966         * c-common.h (make_rtl_for_local_static): Delete.
10967         * c-decl.c (shadow_tag_warned): Clean up comment.
10968         (finish_decl): Clean up spacing.  Use set_user_assembler_name when
10969         appropriate.  Don't pass asmspec to rest_of_decl_compilation.
10970         * c-semantics.c (make_rtl_for_local_static): Delete.
10971         * expr.c (init_block_move_fn): Use set_user_assembler_name.
10972         (init_block_clear_fn): Likewise.
10973         * passes.c (rest_of_decl_compilation): Remove asmspec parameter,
10974         expect it to be in DECL_ASSEMBLER_NAME.  Update callers in many files.
10975         * toplev.h (rest_of_decl_compilation): Remove asmspec parameter.
10976         * tree.h (make_decl_rtl): Remove second parameter.
10977         (set_user_assembler_name): New.
10978         * varasm.c (set_user_assembler_name): New.
10979         (make_decl_rtl): Remove second parameter.  Update callers in many
10980         files.
10981
10982 2004-08-05  Adam Nemet  <anemet@lnxw.com>
10983
10984         * config.gcc (case i[34567]86-*-lynxos*): Update to LynxOS 4.0.
10985         (case rs6000-*-lynxos*): Rename it to powerpc-*-lynxos*.  Update
10986         to LynxOS 4.0.
10987         * gthr-lynx.h: New file.
10988         * config/lynx-ng.h: Remove file.
10989         * config/lynx.h: Update to LynxOS 4.0.
10990         * config/t-lynx: New file.
10991         * config/i386/lynx-ng.h: Remove file.
10992         * config/i386/lynx.h: Update to LynxOS 4.0.
10993         * config/rs6000/lynxbase.h: Remove file.
10994         * config/rs6000/lynx.h: Update to LynxOS 4.0.
10995         * config/rs6000/t-lynx: New file.
10996         * doc/install.texi (Options specification): Remove reference to
10997         LynxOS from systems where --with-gnu-as makes a difference.
10998
10999 2004-08-05  Joseph S. Myers  <jsm@polyomino.org.uk>
11000
11001         * c-common.c (c_stddef_cpp_builtins): Define __INTMAX_TYPE__ and
11002         __UINTMAX_TYPE__.
11003         * c-cppbuiltin.c (builtin_define_stdint_macros): New.  Define
11004         __INTMAX_MAX__.
11005         (c_cpp_builtins): Call it.
11006         * doc/cpp.texi: Update.
11007
11008 2004-08-04  David Edelsohn  <edelsohn@gnu.org>
11009
11010         * config/rs6000/rs6000.c (rs6000_rtx_costs): LABEL_REFs are zero
11011         cost.
11012
11013 2004-08-04  Jan Hubicka  <jh@suse.cz>
11014
11015         * basic-block.h (profile_staus): New global variable.
11016         * cfg.c (profile_status): Declare.
11017         (check_bb_profile): Break out from ....; use profile_status
11018         (dump_flow_info): ... here.
11019         * cfgbuild.c (find_basic_blocks): Set profile_status.
11020         * cfgexpand.c (tree_expand_cfg): Likewise.
11021         * predict.c (estimate_probability): Likewise.
11022         * profile.c (branch_prob): Likewise.
11023         * tree-cfg.c (build_tree_cfg): Likewise.
11024         (dump_function_to_file): Use check_bb_profile.
11025         * tree-pretty-print (dump_bb_header): Likewise.
11026         * tree-profile.c (do_tree_profiling): Cleanup.
11027
11028 2004-08-04  Zack Weinberg  <zack@codesourcery.com>
11029
11030         * Makefile.in (RTL_BASE_H, RTL_H): Correct.
11031         (BUILD_RTL): Remove $(BUILD_PREFIX) from ggc-none.o.
11032         (genobjs): Add errors.o, ggc-none.o, and min-insn-modes.o.
11033         (read-rtl.o, gensupport.o, genconfig.o, genflags.o, gencodes.o)
11034         (genconstants.o, genemit.o, genopinit.o, genrecog.o, genextract.o)
11035         (genpeep.o, genattr.o, genattrtab.o, genautomata.o, genoutput.o)
11036         (genconditions.o): Depend on $(RTL_BASE_H) not $(RTL_H).
11037         (ggc-none.o, errors.o): Move rule to generators section;
11038         correct dependencies.
11039         (min-insn-modes.o): Move rule to generators section; remove
11040         unnecessary explicit command; correct dependencies.
11041         (print-rtl.o, print-rtl1.o): Correct dependencies.
11042         ($(BUILD_PREFIX_1)errors.o. $(BUILD_PREFIX_1)ggc-none.o): Delete rule.
11043         (mostlyclean): Update.
11044
11045         * errors.c: Include bconfig.h not config.h.  Correct comment.
11046         * gengtype.c, genpreds.c: Don't define NO_GENRTL_H.
11047         * ggc-none.c: Include bconfig.h; not config.h or tm.h.
11048         * print-rtl.c: Don't include tm_p.h.
11049
11050         * rtl.h: Move forward-decl of struct function down where it's
11051         needed.  Include genrtl.h #ifndef GENERATOR_FILE, not
11052         #ifndef NO_GENRTL_H.  Remove unnecessary #ifdef BUFSIZ statements.
11053
11054 2004-08-04  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
11055             Jeff Law  <law@redhat.com>
11056
11057         * tree-cfg.c (tree_duplicate_bb): Mark duplicated definitions.
11058         * tree-flow.h (rewrite_ssa_into_ssa): Declaration changed.
11059         * tree-into-ssa.c (rewrite_ssa_into_ssa): Use new interface to
11060         manipulate the duplicated ssa names.
11061         * tree-ssanames.c (ssa_names_to_rewrite): New variable.
11062         (marked_for_rewrite_p, any_marked_for_rewrite_p, mark_for_rewrite,
11063         unmark_all_for_rewrite, marked_ssa_names, release_ssa_name_force):
11064         New functions.
11065         (release_ssa_name): Do not release ssa names that may have multiple
11066         definitions.
11067         * tree.h (release_ssa_name_force, mark_for_rewrite,
11068         unmark_all_for_rewrite, marked_for_rewrite_p, any_marked_for_rewrite_p,
11069         marked_ssa_names): Declare.
11070         * tree-ssa-loop-ch.c (mark_defs_for_rewrite): Remove.
11071         (duplicate_blocks): Remove call to mark_defs_for_rewrite.
11072         Update call to rewrite_ssa_into_ssa.
11073
11074 2004-08-04  Mark Mitchell  <mark@codesourcery.com>
11075
11076         * defaults.h (TARGET_DECLSPEC): New macro.
11077         * c-cppbuiltin.c (c_cpp_builtins): Handle TARGET_DECLSPEC.
11078         * config/arm/pe.h (SUBTARGET_CPP_SPEC): Remove __declspec support.
11079         * config/arm/symbian.h (TARGET_DLLIMPORT_DECL_ATTRIBUTES): Define.
11080         * config/i386/beof-elf.h (TARGET_OS_CPP_BUILTINS): Remove
11081         __declspec support.
11082         (TARGET_DECLSPEC): Define.
11083         * config/i386/cygming.h (TARGET_OS_CPP_BUILTINS): Remove
11084         __declspec support.
11085         * config/i386/i386-interix.h (TARGET_OS_CPP_BUILTINS): Remove
11086         __declspec support.
11087         (TARGET_DECLSPEC): Define.
11088         * config/mcore/mcore.h (TARGET_CPU_CPP_BUILTINS): Remove
11089         __declspec support.
11090         * config/sh/symbian-pre.h (SUBTARGET_CPP_SPEC): Remove __declspec
11091         support.
11092         * doc/tm.texi (TARGET_DECLSPEC): Document.
11093
11094         * doc/extend.texi: Fix typo in comment.
11095
11096 2004-08-04  Paul Brook  <paul@codesourcery.com>
11097
11098         * target-def.h (TARGET_CXX_CDTOR_RETURNS_THIS): Define.
11099         (TARGET_CXX): Use it.
11100         * target.h (struct gcc_target): Add cdtor_returns_this.
11101         * config/arm/arm.c (arm_cxx_cdtor_returns_this): New function.
11102         (TARGET_CXX_CDTOR_RETURNS_THIS): Define.
11103         * doc/tm.texi: Document TARGET_CXX_CDTOR_RETURNS_THIS.
11104
11105 2004-08-03  Nathan Sidwell  <nathan@codesourcery.com>
11106
11107         * c-lex.c (narrowest_unsigned_type, narrowest_signed_type): Take
11108         low/high pair. Do range checking directly.
11109         (interpret_integer): Adjust.
11110
11111 2004-08-04  Nick Clifton  <nickc@redhat.com>
11112
11113         * config/sh/sh.h (TARGET_SWITCHES): Add no-renesas to select the
11114         GCC ABI.
11115         * doc/invoke.texi: Document this new switch and also the -mrenesas
11116         switch.
11117
11118 2004-08-04  Nathan Sidwell  <nathan@codesourcery.com>
11119
11120         * cfglayout.c (insn_locators_initialize): Update the current
11121         location before initializing a location.
11122
11123 2004-08-03  Zack Weinberg  <zack@codesourcery.com>
11124
11125         * dbxout.c (dbxout_function_decl): Always call dbxout_function_end.
11126         (dbxout_function_end): Return after emitting the "Lscope" symbol
11127         under the same conditions that this function formerly wasn't called.
11128         Add explanatory comments.
11129
11130         PR 14860
11131         * c-decl.c (record_builtin_type): Call debug_hooks->type_decl
11132         on the new decl.
11133
11134         PR 13956
11135         * dbxout.c (dbx_output_lbrac, dbx_output_rbrac): New
11136         functions, broken out of dbxout_block.
11137         (dbxout_block): The block at depth 0 should get LBRAC/RBRAC
11138         stabs too, if it contains symbols.  Use the begin_label and
11139         the Lscope label (emitted by dbxout_function_end) for the
11140         range of this block.
11141
11142 2004-08-03  Nathanael Nerode  <neroden@gcc.gnu.org>
11143
11144         * doc/install.texi: Update autoconf version requirements.
11145
11146 2004-08-03  Zack Weinberg  <zack@codesourcery.com>
11147
11148         * defaults.h (LEGITIMATE_PIC_OPERAND_P): Provide default definition.
11149         * recog.c (general_operand, immediate_operand, nonmemory_operand)
11150         (asm_operand_ok): Remove #ifdefs on LEGITIMATE_PICOPERAND_P.
11151         * regclass.c (record_reg_classes): Likewise.
11152         * reload.c (find_reloads): Likewise.
11153         * reload1.c (reload): Likewise.
11154
11155 2004-08-03  Zack Weinberg  <zack@codesourcery.com>
11156
11157         * gensupport.c (init_md_reader_args_cb): Renamed from
11158         init_md_reader_args.  Add third option, callback function for
11159         parsing program-specific options.  Add diagnosis of incorrect
11160         number of input files.
11161         (init_md_reader): Fold into init_md_reader_args_cb.
11162         (init_md_reader_args): Now a thin wrapper around
11163         init_md_reader_args_cb.
11164         * gensupport.h: Update prototypes.
11165
11166         * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
11167         * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
11168         * genrecog.c: No need to diagnose lack of an input file;
11169         init_md_reader_args will handle it.
11170         * genconditions.c: Likewise, and use init_md_reader_args.
11171         * genconstants.c: Likewise, and no need to call read_md_rtx.
11172
11173 2004-08-03  Joseph S. Myers  <jsm@polyomino.org.uk>
11174
11175         * c-decl.c (implicitly_declare): Diagnose incompatible implicit
11176         declarations.
11177
11178 2004-08-03  Mike Stump  <mrs@apple.com>
11179
11180         * config/darwin-c.c: Don't search in "/Local/Library/Frameworks"
11181         for frameworks.
11182         * doc/invoke.texi (Darwin Options): Update to reflect above.
11183
11184 2004-08-03  Roger Sayle  <roger@eyesopen.com>
11185
11186         PR middle-end/16790
11187         * fold-const.c (extract_muldiv_1) <NOP_EXPR>: Disallow local
11188         truncations, not just global truncations.
11189
11190 2004-08-03  Andrew Pinski  <apinski@apple.com>
11191
11192         PR bootstrap/16865
11193         * loop-iv.c (simplify_using_assignment): Initialize lhs.
11194
11195 2004-08-03  Paul Brook  <paul@codesourcery.com>
11196
11197         * gcc/doc/install.texi: Document MPFR requirement.
11198
11199 2004-08-03  Maciej W. Rozycki  <macro@linux-mips.org>
11200
11201         * aclocal.m4 (gcc_AC_FUNC_MMAP_BLACKLIST): Check for <sys/mman.h>
11202         and mmap() explicitly instead of relying on preset autoconf cache
11203         variables.
11204         * configure: Regenerate.
11205
11206 2004-08-03  H.J. Lu  <hongjiu.lu@intel.com>
11207
11208         PR target/16570
11209         * config.gcc (i[34567]86-*-* | x86_64-*-*): Add i386/t-gmm_malloc
11210         to tmake_file.
11211         (i[34567]86-*-linux*aout* | i[34567]86-*-linux*libc1): Likewise.
11212         (i[34567]86-*-linux* | x86_64-*-linux*): Add i386/t-pmm_malloc
11213         to tmake_file.
11214
11215         * config/i386/t-gmm_malloc: New file.
11216         * config/i386/t-pmm_malloc: Likewise.
11217
11218         * config/i386/xmmintrin.h: Include <mm_malloc.h>.
11219
11220 2004-08-03  H.J. Lu  <hongjiu.lu@intel.com>
11221             Tanguy Fautrà <tfautre@pandora.be>
11222
11223         * config/i386/pmm_malloc.h: New file.
11224
11225 2004-08-03  Danny Smith  <dannysmith@users.sourceforge.net>
11226
11227         * config/i386/gmm_malloc.h: New file.
11228
11229 2004-08-03  Dale Johannesen  <dalej@apple.com>
11230
11231         * config/rs6000/rs6000.c (machopic_output_stub):  Align Darwin stubs.
11232         * c-common.c: Include opts.h.
11233         (c_common_get_alias_set): Fix check for a single input file.
11234         * toplev.c: Remove current_file_decl.
11235         * tree.h: Ditto.
11236
11237 2004-08-03  Mark Mitchell  <mark@codesourcery.com>
11238
11239         * config.gcc (arm*-*-symbianelf*): New target.
11240         * config/arm/symbian.h: New file.
11241
11242         * gthr-gnat.c: Add visibility #pragmas.
11243         * gthr-gnat.h : Likewise.
11244         * gthr.h: Likewise.
11245         * libgcc2.c (__ffsSI2): Move prototype to libgcc2.h.
11246         (__ffsDI2): Likewise.
11247         (__clzSI2): Likewise.
11248         (__ctzSI2): Likewise.
11249         (__ctzDI2): Likewise.
11250         (__popcountSI2): Likewise.
11251         (__popcountDI2): Likewise.
11252         (__paritySI2): Likewise.
11253         (__parityDI2): Likewise.
11254         * libgcc2.h: Add visibility #pragmas.
11255         (__clzDI2): Add prototype.
11256         (__clzSI2): Likewise.
11257         (__ctzSI2): Likewise.
11258         (__ffsDI2): Likewise.
11259         (__ffsSI2): Likewise.
11260         (__ctzDI2): Likewise.
11261         (__popcountSI2): Likewise.
11262         (__popcountDI2): Likewise.
11263         (__paritySI2): Likewise.
11264         (__parityDI2): Likewise.
11265         * unwind-dw2-fde.h: Add visibility #pragmas.
11266         * unwind.h: Likewise.
11267
11268 2004-08-03  David Edelsohn  <edelsohn@gnu.org>
11269             Dale Johannesen  <dalej@apple.com>
11270             Roger Sayle  <roger@eyesopen.com>
11271
11272         * config/rs6000/rs6000.c (rs6000_rtx_costs): Calculate cost of
11273         constants more accurately.  Adjust costs for FMA instructions.
11274         Add cases for most logical and float operations.  Recurse into
11275         most operands.
11276
11277 2004-08-03  Richard Earnshaw  <rearnsha@arm.com>
11278
11279         * config.gcc (strongarm-*, xscale-*): Add t-arm to tmake_files.
11280
11281 2004-08-03  Pat Haugen  <pthaugen@us.ibm.com>
11282
11283         * ra-build.c (conflicts_between_webs): For webs that cross a call add
11284         conflicts to regs_invalidated_by_call.
11285
11286 2004-08-03  Paul Brook  <paul@codesourcery.com>
11287
11288         * config/arm/arm.c (emit_sfm): Only emit a single frame adjustment.
11289
11290 2004-08-03  Jan Hubicka  <jh@suse.cz>
11291
11292         * coverage.c (tree_coverage_counter_ref): Fix computation of the new
11293         ARRAY_REF argument.
11294
11295 2004-08-03  Richard Earnshaw  <rearnsha@arm.com>
11296
11297         * arm-cores.def: Sort by architecture.  Add arm946es, arm966es,
11298         arm968es, arm10e, arm1020e, arm1022e.
11299         * invoke.texi: Update list of ARM cores.
11300         * arm-tune.md: Regenerate.
11301
11302 2004-08-03  Richard Earnshaw <rearnsha@arm.com>
11303
11304         * arm/gentune.sh: New file.
11305         * arm/t-arm: New file.
11306         * arm/arm-tune.md: New file (autogenerated).
11307         * config.gcc (arm*-*-*): Add t-arm to tmake_file for all variants.
11308         * arm.md (attribute tune): Delete.  Include arm-tune.md.
11309
11310 2004-08-03  Paolo Bonzini <bonzini@gnu.org>
11311
11312         * gcc.c (add_prefix, add_sysrooted_prefix): Remove
11313         penultimate parameter.  All callers adjusted.
11314         (struct prefix_list): Remove used_flag_ptr.
11315         (find_a_file): Do not set *pl->used_flag_ptr.
11316         (warn_B, warn_std_ptr): Remove.
11317
11318 2004-08-03  Yossi Markovich <yossim@il.ibm.com>
11319             Mostafa Hagog <mustafa@il.ibm.com>
11320
11321         * config/rs6000/altivec.md (altivec_vnmsubfp): Fix wrong pattern.
11322
11323 2004-08-02  Geoffrey Keating  <geoffk@apple.com>
11324
11325         * dwarf2out.c (output_call_frame_info): Don't change data format
11326         due to TARGET_USES_WEAK_UNWIND_INFO.  Always refer to the local
11327         label.  Use 'true' not '1'.
11328         * doc/install.texi (powerpc-*-darwin*): Mention cctools version
11329         required.
11330
11331 2004-08-02  Gabriel Dos Reis  <gdr@integrable-solutions.net>
11332
11333         * gdbinit.in: Reflect previous changes to rtunion_def.
11334
11335 2004-08-02  Roger Sayle  <roger@eyesopen.com>
11336
11337         * fold-const.c (fold) <TRUNC_MOD_EXPR>: The transformation "X % -Y"
11338         -> "X % Y" is only valid for TRUNC_MOD_EXPR.
11339
11340 2004-08-02  Gabriel Dos Reis  <gdr@integrable-solutions.net>
11341
11342         * vec.h (DEF_VEC_P): Add proper cast to uses of vec_o_reserve and
11343         vec_p_reserve.
11344         * langhooks.h (lang_hooks::builtin_function): Rename parameter
11345         from "class" to "bt_class".
11346
11347 2004-08-02  Paul Brook  <paul@codesourcery.com>
11348
11349         PR rtl-optimization/15068
11350         * flow.c (init_propagate_block_info): Check condition is reversible.
11351
11352 2004-08-02  Gabriel Dos Reis  <gdr@integrable-solutions.net>
11353
11354         * gengtype.h (options::info): Change type to const char *.
11355         (enum gc_used_enum): Move out of struct type scope.
11356         * gengtype.c (create_option): Convert initializer for option::info to
11357         appropiate type.
11358         (adjust_field_type, walk_type, write_func_for_structure,
11359         write_root, write_roots): Remove pointless cast.
11360
11361 2004-08-02  J"orn Rennecke <joern.rennecke@superh.com>
11362
11363         * genopinit.c (gen_insn): Check for MODE_COMPLEX_FLOAT patterns for $F.
11364
11365 2004-08-02  Gabriel Dos Reis  <gdr@integrable-solutions.net>
11366
11367         * rtl.h (union rtunion_def): Have all members  start with the
11368         prefix "rt_".
11369         (XINT, XSTR, XEXP, XVEC, XMODE, XBITMAP, XTREE, XBBDEF, XTMPL,
11370         X0INT, X0UINT, X0STR, X0EXP, X0VEC, X0MODE, X0BITMAP, X0TREE,
11371         X0MEMATTR, X0BBDEF, X0REGATTR, XCINT, XCUINT, XCSTR, XCEXP,
11372         XCVEC, XCMODE, XCBITMAP, XCTREE, XCBBDEF, XC2EXP): Adjust members
11373         access.
11374         * gengtype.c (adjust_field_rtx_def): Likewise.
11375         * rtlanal.c (loc_mentioned_in_p): Likewise.
11376
11377 2004-08-02  Richard Sandiford  <rsandifo@redhat.com>
11378
11379         * config.gcc (mips*-*-elf*, mips*-*-rtems*): Add elfos.h to tm_file.
11380         Replace uses of mips/elf64.h with mips/elf.h
11381         * config/mips/elf.h (MAX_OFILE_ALIGNMENT, TARGET_ASM_NAMED_SECTION)
11382         (TYPE_OPERAND_FMT, TYPE_ASM_OP, SIZE_ASM_OP, BSS_SECTION_ASM_OP)
11383         (ASM_OUTPUT_ALIGNED_BSS, ASM_WEAKEN_LABEL, ASM_OUTPUT_WEAK_ALIAS)
11384         (MAKE_DECL_ONE_ONLY, INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP)
11385         (HANDLE_SYSV_PRAGMA): Delete.
11386         (ASM_OUTPUT_DEF): Fix formatting.
11387         * config/mips/elf64.h: Delete.
11388
11389 2004-08-01  Zack Weinberg  <zack@codesourcery.com>
11390
11391         * config/ia64/ia64.c (got_symbolic_operand): Do require a
11392         symbol+offset operand to have its offset be zero mod 0x3fff
11393         when GOT entries are in use.  Clarify logic in SYMBOL_REF
11394         case.  Clarify comments.
11395         (ia64_expand_load_address): Split a symbol+offset load when
11396         the offset is nonzero mod 0x3fff, not 0x1fff.
11397
11398 2004-08-01  Geoffrey Keating  <geoffk@apple.com>
11399
11400         * config/rs6000/rs6000.c (rs6000_split_multireg_move): Just abort
11401         if trying to *store* to a non-offsettable address.
11402         * config/rs6000/rs6000.md (movtf_internal): Don't move GPRs to
11403         a nonoffsettable address.
11404         (movdi_internal32): Don't move GPRs to a nonoffsettable address.
11405         Clean up.
11406         (movti_string): Don't move GPRs to a nonoffsettable address.
11407         (movti_ppc64): Don't move GPRs to a nonoffsettable address.  Clean up.
11408
11409 2004-08-02  Ben Elliston  <bje@au.ibm.com>
11410
11411         PR target/16155
11412         * config/rs6000/altivec.h: Replace typeof with __typeof__.
11413
11414 2004-08-01  Richard Henderson  <rth@redhat.com>
11415
11416         * expr.c (expand_expr_real_1) <normal_inner_ref>: Fix crash with
11417         variable sized types.
11418
11419 2004-08-01  Richard Sandiford  <rsandifo@redhat.com>
11420
11421         * doc/invoke.texi: In the MIPS options section, remove the passage
11422         saying that -mexplicit-relocs is usually disabled for -mabicalls
11423         -fno-unit-at-a-time.
11424         * config/mips/mips.c (override_options): Remove the code that enforced
11425         this rule.
11426
11427 2004-08-01  Richard Sandiford  <rsandifo@redhat.com>
11428
11429         * config/mips/mips.md (cprestore): Provide two alternatives, one for
11430         an in-range offset and one for an out-of-range offset.  Wrap the latter
11431         in .set macro/.set nomacro if it's inside a .set nomacro block.
11432
11433 2004-08-01  Richard Sandiford  <rsandifo@redhat.com>
11434
11435         * config/mips/mips-protos.h (mips_gp_save_slot): Remove.
11436         (mips_restore_gp): Declare.
11437         * config/mips/mips.c (mips_add_offset): Add a scratch register
11438         argument.  Reimplement in rtl only, reusing MIPS16 logic from
11439         mips_output_mi_thunk.
11440         (mips_legitimize_address, mips_legitimize_const_move): Adjust calls
11441         to mips_add_offset.
11442         (mips_gp_save_slot): Delete.
11443         (mips_restore_gp): New function.
11444         (mips_set_return_address, mips_output_mi_thunk): Use mips_add_offset.
11445         * config/mips/mips.md (exception_receiver): Turn into a
11446         define_insn_and_split.  Use mips_restore_gp to do the split.
11447         (call_internal, call_value_internal, call_value_multiple_internal): Use
11448         mips_restore_gp to restore $gp.
11449
11450 2004-07-31  Andrew Pinski  <apinski@apple.com>
11451
11452         PR other/16842
11453         * mkheaders.in (libsubdir): s/gcc-lib/gcc/.
11454
11455 2004-07-31  Joseph S. Myers  <jsm@polyomino.org.uk>
11456
11457         * c-decl.c (diagnose_mismatched_decls): Give error for external
11458         redeclaration of identifier declared with no linkage, not just
11459         warning with -Wtraditional.  Do not check DECL_CONTEXT to give
11460         error for redeclaration with no linkage.
11461
11462 2004-07-30  Geoffrey Keating  <geoffk@apple.com>
11463             Fariborz Jahanian <fjahanian@apple.com>
11464
11465         * config/rs6000/rs6000.c (legitimate_lo_sum_address_p): Permit
11466         non-offsettable addresses even for DImode.
11467         (rs6000_split_multireg_move): Cope with non-offsettable addresses
11468         being moved into multiple GPRs.
11469
11470         * config/rs6000/rs6000.c (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Default
11471         to 64.
11472         (rs6000_override_options): Use RS6000_DEFAULT_LONG_DOUBLE_SIZE.
11473         * config/rs6000/darwin.h (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define
11474         to 128.
11475         * config/rs6000/darwin-ldouble.c (isless): New macro.
11476         (inf): New macro.
11477         (nonfinite): New macro.
11478         (FPKINF): Delete.
11479         (_xlqadd): Completely rewrite.
11480         (_xlqmul): Correct overflow handling.
11481         (_xlqdiv): Correct overflow handling.
11482         * config/rs6000/darwin-ldouble-format: New file.
11483
11484 2004-07-30  Roger Sayle  <roger@eyesopen.com>
11485             Richard Henderson  <rth@redhat.com>
11486
11487         * config/i386/i386.md: New peephole2's to convert imul by 3, 5 or
11488         9 into the equivalent lea instruction.
11489
11490 2004-07-30  Richard Henderson  <rth@redhat.com>
11491
11492         * gimplify.c (gimplify_expr) <case CONST_DECL>: Don't replace
11493         with DECL_INITIAL if fb_lvalue.
11494         * tree-gimple.c (is_gimple_id): Add CONST_DECL.
11495         * tree-pretty-print.c (dump_decl_name): Dump unnamed CONST_DECL
11496         with <Cxxx>.
11497         * tree-ssa-ccp.c (maybe_fold_stmt_indirect): Fold CONST_DECL.
11498
11499 2004-07-30  Diego Novillo  <dnovillo@redhat.com>
11500
11501         * tree-ssa-alias.c (compute_points_to_and_addr_escape): If a
11502         pointer escapes through a function call, assume that the
11503         callee will dereference it.
11504         (add_pointed_to_var): Assume that VALUE is always an
11505         ADDR_EXPR.
11506         (collect_points_to_info_r): Only call add_pointed_to_var if
11507         the value is an ADDR_EXPR.
11508
11509 2004-07-30  Diego Novillo  <dnovillo@redhat.com>
11510
11511         * tree-ssa-alias.c (create_alias_map_for): Do not get the
11512         alias set of the inner type of ARRAY_TYPEs.
11513
11514 2004-07-29  Diego Novillo  <dnovillo@redhat.com>
11515
11516         * tree-ssa-ccp.c (visit_assignment): Move code to prevent
11517         setting a non-register to UNDEFINED right before the call to
11518         set_lattice_value.
11519
11520 2004-07-29  Kaz Kojima  <kkojima@gcc.gnu.org>
11521
11522         * config/sh/lib1funcs.asm: Make aliases movstr* for movmem*.
11523
11524 2004-07-29  Diego Novillo  <dnovillo@redhat.com>
11525
11526         * tree-ssa.c (verify_flow_sensitive_alias_info): When
11527         comparing points-to sets of different pointers, make sure the
11528         second pointer is actually referenced in the code.
11529
11530 2004-07-29  Zack Weinberg  <zack@codesourcery.com>
11531
11532         * config/ia64/ia64.c (setjmp_operand): Delete, unused.
11533         (got_symbolic_operand): Remove unreachable code.
11534         * config/ia64/ia64.h (PREDICATE_CODES): Remove entry for
11535         setjmp_operand; add entry for tls_symbolic_operand.
11536         * config/ia64/ia64-protos.h: Remove all prototypes of
11537         predicate functions.
11538
11539 2004-07-29  Mark Mitchell  <mark@codesourcery.com>
11540
11541         * c-common.h (lang_post_pch_load): New variable.
11542         * c-pch.c (lang_post_pch_load): Define it.
11543         (c_common_read_pch): Use it.
11544         * cgraphunit.c (record_call_1): Give the front end a chance to
11545         record additional needed entities when a variable is marked as
11546         needed.
11547         * tlink.c (recompile_files): Robustify.
11548         (scan_linker_output): If a symbol is assigned to a file,
11549         but after recompilation is not present there, issue an error
11550         message.
11551
11552 2004-07-29  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
11553
11554         * tree-ssa-loop-im.c (force_move_till_expr, force_move_till):
11555         Take orig_loop argument and pass it to set_level.
11556         (schedule_sm): Pass the correct orig_loop to force_move_till.
11557
11558 2004-07-29  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
11559
11560         * cfgloop.c (update_latch_info): Update dominator of the new block.
11561         (canonicalize_loop_headers, flow_loops_find): Do not free dominance
11562         info.
11563         * dominance.c (verify_dominators): Check that the dominance tree is
11564         connected.
11565         (recount_dominator): Ignore unreachable blocks.
11566         (iterate_fix_dominators): Cleanup old dominance information before
11567         recomputing it.
11568
11569 2004-07-29  Diego Novillo  <dnovillo@redhat.com>
11570
11571         * tree-ssa-operands.c (get_expr_operands): Revert changes
11572         to ADDR_EXPR processing introduced by:
11573             2004-06-21  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
11574             * tree-ssa-operands.c (get_expr_operands): Minor rearrangements.
11575
11576 2004-07-29  Joseph S. Myers  <jsm@polyomino.org.uk>
11577
11578         * doc/implement-c.texi: Add C90 subclause references.  Point to
11579         preprocessor documentation instead of duplicating it.  Add points
11580         only present in C90.  Fill in documentation for all points.
11581
11582 2004-07-29  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
11583
11584         * pa.c (output_movb): Correct typo.
11585
11586 2004-07-29  Pat Haugen  <pthaugen@us.ibm.com>
11587
11588         * ra.h (single_reg_in_regclass): Declare.
11589         * ra.c (single_reg_in_regclass): Define.
11590         (first_hard_reg): New.
11591         (init_ra): Initialize single_reg_in_regclass.
11592         * ra-colorize.c (ok_class): New.
11593         (coalesce, aggressive_coalesce, extended_coalesce_2): Use it.
11594
11595 2004-07-29  Nathan Sidwell  <nathan@codesourcery.com>
11596
11597         * gcov-io.h: Allow zero tag as EOF indicator.
11598         (gcov_is_eof): Remove.
11599         (gcov_truncate): Remove.
11600         * gcov-io.c (gcov_seek): Always SEEK_SET.
11601         * libgcov.c (gcov_exit): Don't use gcov_truncate.  Write explicit
11602         EOF tag.
11603         * coverage.c (read_counts_file): Don't use gcov_is_eof.
11604         * gcov-dump.c (dump_file): Likewise.
11605         * gcov.c (read_graph_file, read_count_file): Likewise.
11606
11607         * c-decl.c (complete_array_type): Don't gratuitously copy
11608         maxindex.  Check it always has a type.
11609
11610 2004-07-29  Steven Bosscher  <stevenb@suse.de>
11611
11612         * rtl.c (currently_expanding_to_rtl): New.
11613         * rtl.h (currently_expanding_to_rtl): Export it.
11614         * cfgexpand.c (tree_cfg_expand): Set/clear it at entry/exit.
11615
11616         * config/alpha/alpha.c (alpha_expand_mov): Remove old RTL
11617         inliner hack.
11618         * config/sh/sh.c: Replace rtx_equal_function_value_matters
11619         with currently_expanding_to_rtl.
11620         * config/sh/sh.md: Likewise.
11621         * config/ia64/ia64.c (got_symbolic_operand): Likewise.
11622
11623 2004-07-29  Alexandre Oliva  <aoliva@redhat.com>
11624
11625         Introduce sh2a support.
11626         2004-07-29  Alexandre Oliva  <aoliva@redhat.com>
11627         * config.gcc: Build multilibs for sh2a and sh2a-single by
11628         default.
11629         * config/sh/sh.h (SUPPORT_SH2A, SUPPORT_SH2A_SINGLE): Define by
11630         default.  Split their tests out of the corresponding SH4
11631         multilibs.
11632         * config/sh/t-sh (MULTILIB_MATCHES): Don't ever use SH4 or SH4a
11633         multilibs for SH2a.
11634         2004-07-28  Alexandre Oliva  <aoliva@redhat.com>
11635         * config.gcc: Handle sh2a multilibs and cpu selection.
11636         * config/sh/sh.h: Likewise.  Handle sh2a command line flags.
11637         * config/sh/t-mlib-sh2a: New.
11638         * config/sh/t-mlib-sh2a-nofpu: New.
11639         * config/sh/t-mlib-sh2a-single: New.
11640         * config/sh/t-mlib-sh2a-single-only: New.
11641         2004-07-09  Nick Clifton  <nickc@redhat.com>
11642         Issue 43400
11643         * config/sh/sh.h (DRIVER_SELF_SPECS): Issue an error message if
11644         -ml and -m2a are used together.
11645         2004-03-23  DJ Delorie  <dj@redhat.com>
11646         * config/sh/sh.c (sh_builtin_saveregs): Use the double code only
11647         when we have a double-sized FPU.
11648         2004-02-24  Corinna Vinschen <vinschen@redhat.com>
11649         * config/sh/lib1funcs.asm (set_fpscr): Don't build if __SH2A_NOFPU__
11650         is set.
11651         * config/sh/elf.h (SUBTARGET_ASM_ISA_SPEC): Add cases for -msh2a-nofpu,
11652         -msh2a-single and -msh2a-single-only
11653         2004-02-24  Corinna Vinschen <vinschen@redhat.com>
11654         * config/sh/crt1.asm: Don't generate FPU instructions if __SH2A_NOFPU__
11655         is set.
11656         2004-02-20  DJ Delorie  <dj@delorie.com>
11657         * config/sh/sh.md (movsf_i, movsf_ie, movsf, ble, bge): Disable for sh2a-nofpu.
11658         2004-02-20  Fred Fish <fnf@redhat.com>,
11659         Corinna Vinschen <vinschen@redhat.com>
11660         * config/sh/t-sh (MULTILIB_OPTIONS): Add 2a-nofpu.
11661         (MULTILIB_EXCEPTIONS): Don't build littel-endian on sh2a.
11662         2004-02-18  DJ Delorie  <dj@redhat.com>
11663         * config/sh/sh.c (broken_move): Add support for movi20.
11664         * config/sh/sh.h: Likewise.
11665         (SHIFT_COUNT_TRUNCATED): Set for sh2a.
11666         * config/sh/sh.md (udivsi3_sh2a): New.
11667         (udivsi3): Call it.
11668         (divsi3_sh2a): New.
11669         (divsi3): Call it.
11670         (mul_r): New.
11671         (ashlsi3_sh2a): New.
11672         (ashrsi3_sh2a): New.
11673         (lshrsi3_sh2a): New.
11674         (movsi_i): Disable for sh2a.
11675         (movsi_ie): Add movi20.
11676         (movsf_i, movsf_ie, movsf, ble, untyped_call): Explicitly enable
11677         sh2a, for -m2a-nofpu mode.
11678         2004-02-13  DJ Delorie  <dj@redhat.com>
11679         * config/sh/lib1funcs.asm: Handle double vs single better.
11680         * config/sh/sh.h: Likewise.
11681         2004-02-09  DJ Delorie  <dj@redhat.com>
11682         * config/sh/crt1.asm: Add support for sh2a.
11683         * config/sh/elf.h: Likewise.
11684         * config/sh/lib1funcs.asm: Likewise.
11685         * config/sh/sh.c: Likewise.
11686         * config/sh/sh.md: Likewise.
11687         * config/sh/sh.h: Likewise.
11688         * config/sh/t-sh: Likewise.
11689
11690 2004-07-28  Alexandre Oliva  <aoliva@redhat.com>
11691
11692         * config/frv/frv.md (movqi_internal, movhi_internal,
11693         movsi_internal): Add backup alternatives for memory inputs.
11694
11695 2004-07-28  Matt Austern  <austern@apple.com>
11696
11697         * config/darwin.c (darwin_one_byte_bool): New global variable.
11698         * config/darwin.h (darwin_one_byte_bool): Declare.
11699         (SUBTARGET_OPTIONS): Define macro.  (for -mone-byte-bool flag.)
11700         * config/rs6000/darwin.h (BOOL_TYPE_SIZE): Conditionalize on
11701         value of darwin_one_byte_bool.
11702         * doc/invoke.texi: Document -mone-byte-bool flag.
11703
11704 2004-07-28  Eric Christopher  <echristo@redhat.com>
11705
11706         * c-common.c (c_common_unsafe_for_reeval): Delete.
11707         * c-lang.c (LANG_HOOKS_UNSAFE_FOR_REEVAL): Delete use.
11708         * c-pretty-print.c (pp_c_expression): Delete UNSAVE_EXPR case.
11709         * calls.c (fix_unsafe_tree): Delete.
11710         (expand_call): Delete code which used above.
11711         * dojump.c (do_jump): Delete UNSAVE_EXPR case.
11712         * expr.c (expand_expr_real_1): Ditto.
11713         * fold-const.c (non_lvalue): Ditto.
11714         * langhooks-def.h (LANG_HOOKS_UNSAFE_FOR_REEVAL): Delete.
11715         (lhd_unsafe_for_reeval): Ditto.
11716         * langhooks.c (lhd_unsafe_for_reeval): Ditto.
11717         * langhooks.h (unsafe_for_reeval): Ditto.
11718         (unsave_expr_now): Adjust comment.
11719         * tree-inline.c (copy_body_r): Delete UNSAVE_EXPR bits.
11720         (estimate_num_insns_1): Ditto.
11721         * tree-pretty-print.c (dump_generic_node): Ditto.
11722         * tree.c (expr_align): Ditto.
11723         (unsave_expr): Delete.
11724         (unsafe_for_reeval): Ditto.
11725         * tree.h (unsafe_for_reeval, unsave_expr): Ditto.
11726         * tree.def (UNSAVE_EXPR): Delete.
11727         * objc/objc-lang.c (LANG_HOOKS_UNSAFE_FOR_REEVAL): Delete.
11728
11729 2004-07-28  Zack Weinberg  <zack@codesourcery.com>
11730
11731         * tree.h (enum tls_model): Move ...
11732         * coretypes.h: ... here.
11733
11734 2004-07-28  Richard Sandiford <rsandifo@redhat.com>
11735
11736         * config/frv/frv.h (EPILOGUE_USES): New.  Use LR.
11737
11738 2004-07-28  Richard Sandiford  <rsandifo@redhat.com>
11739
11740         * cse.c (validate_canon_reg): New function, split out from...
11741         (canon_reg): ...here.  Use validate_canon_reg for both 'e' and 'E'.
11742
11743 2004-07-28  Diego Novillo  <dnovillo@redhat.com>
11744
11745         * tree-ssa-alias.c (maybe_create_global_var): Don't just
11746         return if .GLOBAL_VAR has been created.
11747
11748 2004-07-28  Diego Novillo  <dnovillo@redhat.com>
11749
11750         * tree-ssa.c (verify_flow_insensitive_alias_info): Process
11751         every variable that may have aliases, not just tags.
11752
11753 2004-07-28  Aldy Hernandez  <aldyh@redhat.com>
11754
11755         * config/rs6000/rs6000.md ("move_from_CR_gt_bit"): Rename to
11756         move_from_CR_eq_bit.
11757         Rename UNSPEC_MV_CR_GT to UNSPEC_MV_CR_EQ.
11758
11759
11760         * config/rs6000/spe.md ("e500_flip_gt_bit"): Rename to
11761         e500_flip_eq_bit.
11762
11763         * config/rs6000/rs6000-protos.h: Rename output_e500_flip_gt_bit to
11764         output_e500_flip_eq_bit.
11765
11766         * config/rs6000/rs6000.c (output_e500_flip_gt_bit): Rename to
11767         output_e500_flip_eq_bit.
11768         (rs6000_emit_sCOND): Rename call to output_e500_flip_gt_bit to
11769         output_e500_flip_eq_bit.
11770         Rename gen_move_from_CR_gt_bit to gen_move_from_CR_eq_bit.
11771         (print_operand): case D.  Get to EQ bit.
11772
11773 2004-07-28  Richard Sandiford  <rsandifo@redhat.com>
11774
11775         * gcov.c (function_summary): Add missing \n.
11776
11777 2004-07-28  Alexandre Oliva  <aoliva@redhat.com>
11778
11779         Introduce sh4a support.
11780         * config.gcc: Handle sh4a multilibs and cpu selection.
11781         * config/sh/sh.h: Likewise.  Handle sh4a command line flags.
11782         * config/sh/t-mlib-sh4a: New.
11783         * config/sh/t-mlib-sh4al: New.
11784         * config/sh/t-mlib-sh4a-nofpu: New.
11785         * config/sh/t-mlib-sh4a-single: New.
11786         * config/sh/t-mlib-sh4a-single-only: New.
11787         2004-02-20  DJ Delorie  <dj@redhat.com>
11788         * config/sh/sh.md ("movua"): Change constraint from "m" to "Sua".
11789         * config/sh/sh.h (EXTRA_CONSTRAINT_S): Add "Sua" support.
11790         2003-08-22  Eric Christopher  <echristo@redhat.com>
11791         * config/sh/sh4a.md: Update for chip errata.
11792         2003-08-07  Eric Christopher  <echristo@redhat.com>
11793         * config/sh/sh4a.md: New file. sh4a processor description.
11794         2003-07-08  Alexandre Oliva  <aoliva@redhat.com>
11795         * config/sh/sh.h (TARGET_SWITCHES): Added 4al.  Adjust description
11796         of -m4a-nofpu.
11797         (SH_ASM_SPEC): Pass -dsp for -m4al, not -m4a-nofpu.
11798         * config/sh/t-sh (MULTILIB_MATCHES): Map -m4al to -m4a-nofpu.
11799         * doc/invoke.texi (SH Options): Document -m4al.
11800         2003-07-03  Alexandre Oliva  <aoliva@redhat.com>
11801         * config/sh/sh.c (expand_block_move): Remove commented-out code
11802         checked in by mistake.
11803         (sh_cannot_change_mode_class): Enable SUBREGs to be used to select
11804         single elements from SFmode vectors.
11805         * config/sh/sh.md (fsca): Use VEC_CONCAT to initialize the output
11806         register.
11807         (sinsf2, cossf2, sindf2, cosdf2): Don't emit CLOBBER.
11808         2003-07-01  Alexandre Oliva  <aoliva@redhat.com>
11809         * config/sh/sh.h (sh_fsca_sf2int, sh_fsca_df2int,
11810         sh_fsca_int2sf): Remove variable declarations.
11811         * config/sh/sh.c (sh_fsca_sf2int, sh_fsca_df2int,
11812         sh_fsca_int2sf): New functions.
11813         (sh_fsca_sf2int_rtx, sh_fsca_df2int_rtx,
11814         sh_fsca_int2sf_rtx): New static variables.
11815         * config/sh/sh-protos.h (sh_fsca_sf2int, sh_fsca_df2int,
11816         sh_fsca_int2sf): Declare.
11817         * config/sh/sh.md: Adjust.
11818         * doc/invoke.texi (SH Options): Document new options.
11819         * config/sh/lib1funcs.asm (ic_invalidate): Remove SH4a forward
11820         compatibility from SH4 code.
11821         2003-06-27  Alexandre Oliva  <aoliva@redhat.com>
11822         * config/sh/sh.c (expand_block_move): Don't emit POST_INC too
11823         early.
11824         (memory_movsrc_operand): Renamed to...
11825         (unaligned_load_operand): ... this.  Simplified.
11826         * config/sh/sh.h (PREDICATE_CODES): Adjust.
11827         * config/sh/sh.md (movua, extv, extzv): Likewise.  Change movua's
11828         input operand to SImode, and adjust the others.  Introduce
11829         post-increment by peephole.
11830         * config/sh/sh.c (expand_block_move): Give the target address the
11831         same mode as the temp reg.
11832         * config/sh/sh.c (expand_block_move): Use a temp reg for unaligned
11833         copying.
11834         2003-06-26  Alexandre Oliva  <aoliva@redhat.com>
11835         Introduce support for SH4a.
11836         * config/sh/lib1funcs.asm (ic_invalidate): Use icbi if
11837         __SH4A__.  Emit 4 4kb blocks and touch all of them otherwise.
11838         * config/sh/sh.c (sh_fsca_sf2int, sh_fsca_df2int,
11839         sh_fsca_int2sf): New.
11840         (sh_init_builtins): Initialize them.
11841         (print_operand): Support `d'.
11842         (expand_block_move): Use movua if src is misaligned.
11843         (memory_movsrc_operand): New.
11844         * config/sh/sh.h (TARGET_CPU_CPP_BUILTINS): Define __SH4A__
11845         and one of the SH4 macros.
11846         (SH4A_BIT, TARGET_SH4A_ARCH, TARGET_SH4A_FP,
11847         SELECT_SH4A_NOFPU, SELECT_SH4A_SINGLE_ONLY, SELECT_SH4A,
11848         SELECT_SH4A_SINGLE): New.
11849         (TARGET_NONE): Add SH4A_BIT.
11850         (TARGET_SWITCHES): Add 4a-single-only, 4a-single, 4a-nofpu and 4a.
11851         (SH_ASM_SPEC): Pass -dsp if -m4a-nofpu.
11852         (sh_fsca_sf2int, sh_fsca_df2int, sh_fsca_int2sf): Declare.
11853         (OVERRIDE_OPTIONS): Set cpu to CPU_SH4A when appropriate.
11854         (enum processor_type): Added PROCESSOR_SH4A.
11855         (PREDICATE_CODES): Add memory_movsrc_operand.
11856         * config/sh/sh.md: Removed unused variables.
11857         (attr cpu): Add sh4a.
11858         (attr type): Add movua, fsrra and fsca.
11859         (prefetch): New, for SH4.
11860         (ic_invalidate_line, ic_invalidate_line_sh4a): Use icbi.
11861         (toggle_sz): Set type to fp.
11862         (toggle_pr, rsqrtsf2, fsca, sinsf2, cossf2, sindf2, cosdf2): New.
11863         (movua, extv, extzv): New.
11864         * config/sh/t-sh: Add multilibs for 4a, 4a-nofpu, 4a-single
11865         and 4a-single-only.
11866
11867 2004-07-28  Diego Novillo  <dnovillo@redhat.com>
11868
11869         * tree-optimize.c (init_tree_optimization_passes): Schedule
11870         pass_may_alias right after the program is renamed into SSA.
11871         * tree-pass.h (PROP_alias): Define.
11872         * tree-outof-ssa.c (pass_del_ssa): Require PROP_alias.
11873         * tree-sra.c (pass_sra): Likewise.
11874         * tree-ssa-ccp.c (pass_ccp): Likewise.
11875         * tree-ssa-copyrename.c (pass_rename_ssa_ccp): Likewise.
11876         * tree-ssa-dce.c (pass_dce): Likewise.
11877         * tree-ssa-dom.c (pass_dominator): Likewise.
11878         * tree-ssa-dse.c (pass_dse): Likewise.
11879         * tree-ssa-forwprop.c (pass_forwprop): Likewise.
11880         * tree-ssa-loop-ch.c (pass_ch): Likewise.
11881         * tree-ssa-phiopt.c (pass_phiopt): Likewise.
11882         * tree-ssa-pre.c (pass_pre): Likewise.
11883         * tree-tailcall.c (pass_tail_recursion): Likewise.
11884         * tree-ssa.c (pass_redundant_phi): Likewise.
11885         * tree-ssa-alias.c (aliases_computed_p): Remove.
11886         Update all users.
11887         (init_alias_info): Do not mark all type tags for renaming
11888         unconditionally.
11889         Clear may_aliases from every symbol.
11890         (setup_pointers_and_addressables): If a pointer has not been
11891         dereferenced and it had a type tag, clear it and mark the old
11892         tag for renaming.
11893
11894 2004-07-28  Diego Novillo  <dnovillo@redhat.com>
11895
11896         PR tree-optimization/16705
11897         * tree-ssa-alias.c (create_global_var): Set DECL_EXTERNAL on
11898         .GLOBAL_VAR.
11899
11900 2004-07-27  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
11901
11902         * expr.c (expand_expr_real_1, case PARM_DECL): Remove obsolete error
11903         check.
11904
11905         * gimplify.c (maybe_with_size_expr): If already have WITH_SIZE_EXPR,
11906         don't make another one.
11907
11908         PR optimization/15077
11909         * function.h (struct function): Add field saved_static_chain_decl.
11910         Fix comment for static_chain_decl.
11911         * tree-inline.c (save_body): Add new arg and handle static_chain_decl.
11912         * tree-inline.h (save_body): Add new arg.
11913         * tree-optimize.c (tree_rest_of_compilation): Handle saving
11914         static_chain_decl.
11915
11916 2004-07-27  Richard Henderson  <rth@redhat.com>
11917
11918         * gimplify.c (is_gimple_addr_expr_arg_or_indirect): Remove.
11919         (gimplify_modify_expr, gimplify_addr_expr, gimplify_expr): Use
11920         is_gimple_addressable.
11921         * tree-gimple.c (is_gimple_addressable): Rename from
11922         is_gimple_addr_expr_arg; accept INDIRECT_REF.
11923         (is_gimple_lvalue): Don't test INDIRECT_REF directly.
11924         * tree-gimple.h, tree-sra.c, tree-ssa-loop-im.c: Update for
11925         rename to is_gimple_addressable.
11926
11927 2004-07-28  Alan Modra  <amodra@bigpond.net.au>
11928
11929         * config/rs6000/rs6000.c (function_arg_padding): Pad SFmode upwards.
11930
11931 2004-07-27  Richard Henderson  <rth@redhat.com>
11932
11933         * function.c (assign_stack_local_1): Widen alignment to HOST_WIDE_INT
11934         before rounding.
11935
11936 2004-07-27  Zack Weinberg  <zack@codesourcery.com>
11937
11938         * libgcc2.c: Change all conditionals testing
11939         LIBGCC2_LONG_DOUBLE_TYPE_SIZE == 96 to == 80.
11940         * libgcc2.h: Likewise.
11941         * config/i386/i386.c (ix86_init_mmx_sse_builtins): Set
11942         TYPE_PRECISION of float80_type to 80.
11943         * config/ia64/ia64.c (ia64_init_builtins): Set TYPE_PRECISION
11944         of fpreg_type and float80_type to 80.
11945         * config/i386/i386.h, config/ia64/ia64.h, config/m68k/m68k.h
11946         * config/m68k/netbsd-elf.h:
11947         Change LONG_DOUBLE_TYPE_SIZE and possibly LIBGCC2_LONG_DOUBLE_TYPE_SIZE
11948         to evaluate to 80 whenever they would formerly have evaluated to 96.
11949         * config/i386/sco5.h: Remove unnecessary redefinition of
11950         LONG_DOUBLE_TYPE_SIZE.
11951         * doc/rtl.texi: Clarify uses of XFmode and TFmode.
11952         * config/i386/i386-modes.def: Use FRACTIONAL_FLOAT_MODE for
11953         XFmode, with a bitsize of 80.  Update commentary.
11954         * config/ia64/ia64-modes.def: Likewise.
11955         * config/m68k/m68k-modes.def: Likewise.
11956
11957 2004-07-27  Steven Bosscher  <stevenb@suse.de>
11958
11959         * cfgexpand.c (tree_expand_cfg): Fix comment.
11960
11961         * calls.c (expand_call): Ignore rtx_equal_function_value_matters.
11962         * function.c (purge_single_hard_subreg_set, purge_hard_subreg_sets):
11963         Remove.
11964         (prepare_function_start): Don't set rtx_equal_function_value_matters.
11965         * integrate.c (copy_rtx_and_substitute): Don't test for it.
11966         * passes.c (rest_of_compilation): Don't call purge_hard_subreg_sets.
11967         Don't set rtx_equal_function_value_matters.  Don't register RTL hooks
11968         here again.  Update leading comment.
11969         * rtl.c (rtx_equal_function_value_matters): Remove.
11970         (rtx_equal_p): Don't test for it.
11971         * simplify-rtx.c (simplify_binary_operation, simplify_subreg):
11972         Likewise.
11973
11974         * rtl.h (enum insn_note): Remove NOTE_INSN_LOOP_END_TOP_COND.
11975         * rtl.c (note_insn_name): Likewise.
11976         * emit-rtl.c (remove_unnecessary_notes): Don't handle it.
11977         * final.c (final_scan_insn): Likewise.
11978
11979         * except.c (finish_eh_generation): Don't call cfg_cleanup from here.
11980         * passes.c (rest_of_handle_eh): Do it here.
11981
11982         * stmt.c (struct nesting): Remove struct nesting block member.
11983         (struct stmt_status): Remove x_block_start_count field.
11984         (current_block_start_count): Remove.
11985
11986 2004-07-27  Brian Booth  <bbooth@redhat.com>
11987
11988         * tree-optimize.c (register_one_dump_file): Update condition that uses
11989         static_pass_number.
11990         (dup_pass_1): Replace with...
11991         (next_pass_1): This.
11992         (NEXT_PASS): Call next_pass_1.
11993         (DUP_PASS): Remove.
11994         (init_tree_optimization_passes): Remove uses of DUP_PASS.
11995         (execute_one_pass): Update condition that uses
11996         static_pass_number.
11997         * tree-pass.h (tree_opt_pass): Declare static_pass_number as a signed
11998         integer.
11999
12000 2004-07-27  Nick Clifton  <nickc@redhat.com>
12001
12002         * config/m32r/m32r.c: Include integrate.h in order to get the
12003         prototype for get_hard_reg_initial_val().
12004
12005         * config/m32r/m32r.md (m32rpipeline): Remove unused value "m32r"
12006         and tidy up indentation.
12007         (final_presence_set): Use absence_set instead, so that if there is
12008         nothing in the "o" pipe the "s" pipe can be scheduled.
12009
12010 2004-07-27  Diego Novillo  <dnovillo@redhat.com>
12011
12012         * tree-ssa-alias.c (create_name_tags): Ignore pointers that
12013         don't have PT_VARS nor PT_MALLOC set.
12014         Clear name tag from pointers that have not been dereferenced.
12015         (set_pt_anything, set_pt_malloc): Forward declare.
12016         * tree-ssa-copy.c (may_propagate_copy): Compare alias sets,
12017         not type compatibility when determining if a pointer can be
12018         copy propagated.
12019
12020 2004-07-27  Richard Sandiford  <rsandifo@redhat.com>
12021
12022         * expr.h (canonicalize_condition, get_condition): Add an int argument.
12023         * gcse.c (fis_get_condition): Reimplement using get_condition, leaving
12024         it to check whether the condition is still valid at the jump insn.
12025         * ifcvt.c (noce_get_condition): Likewise.
12026         (noce_get_alt_condition): Update call to canonicalize_condition.
12027         * loop-iv.c (simplify_using_initial_values): Update call to
12028         get_condition.  Remove FIXME.
12029         (check_simple_exit): Update call to get_condition.
12030         * loop-unswitch.c (may_unswitch_on): Likewise.
12031         * loop.c (check_dbra_loop): Likewise.
12032         (canonicalize_condition, get_condition): Add an argument to say whether
12033         the condition must still be valid at INSN.
12034         (get_condition_for_loop): Update call to get_condition.  Require that
12035         the condition be valid at INSN.
12036         * predict.c (estimate_probability): Update call to get_condition.
12037         Remove unused earliest parameter.
12038         (expected_value_to_br_prob): Update call to canonicalize_condition.
12039
12040 2004-07-26  Eric Christopher  <echristo@redhat.com>
12041
12042         * tree-dfa.c (add_referenced_var): Register initializers of global
12043         variables.
12044
12045 2004-07-26  Paolo Bonzini  <bonzini@gnu.org>
12046
12047         * config/i386/i386.c (function_arg): Always treat 8-
12048         and 16-byte wide vectors the same, even if MMX/SSE
12049         are disabled.
12050         (contains_128bit_aligned_vector_p): Add comment.
12051
12052 2004-07-26  J"orn Rennecke <joern.rennecke@superh.com>
12053
12054         * ra.h (enum node_type): Rename to:
12055         (enum ra_node_type).
12056         * ra-colorize.c: Likewise.
12057
12058 2004-07-26  Richard Sandiford  <rsandifo@redhat.com>
12059
12060         * cfgcleanup.c (try_simplify_condjump): Call update_forwarder_flag
12061         after simplifying the jump.
12062
12063 2004-06-26  Richard Henderson  <rth@redhat.com>
12064
12065         * calls.c (combine_pending_stack_adjustment_and_call): Make
12066         preferred_unit_stack_boundary argument unsigned.  Make
12067         unadjusted_alignment unsigned.
12068         (expand_call): Make preferred_stack_boundary and
12069         preferred_unit_stack_boundary variables unsigned.
12070         * function.c (assign_stack_local_1): Make alignment unsigned.
12071         * function.h (struct function): Make stack_alignment_needed,
12072         preferred_stack_boundary unsigned.
12073         * config/i386/i386.c (ix86_preferred_stack_boundary): Make unsigned.
12074         (ix86_compute_frame_layout): Make stack_alignment_needed,
12075         preferred_alignment variables unsigned.
12076         * config/i386/i386.h (ix86_preferred_stack_boundary): Make unsigned.
12077
12078 2004-07-26  Tom Tromey  <tromey@redhat.com>
12079
12080         * tree.h: Fix typo in comment.
12081
12082 2004-07-26  Daniel Jacobowitz  <dan@debian.org>
12083
12084         PR bootstrap/12804
12085         * ggc-zone.c (struct alloc_chunk): Remove attribute packed.
12086         (MAX_FREE_BIN_SIZE): Increase on 64-bit targets.
12087         (ggc_free): Remove incorrect freeing.
12088         (sweep_pages): Advance PP for large pages.  Fix indentation.
12089
12090 2004-07-26  Richard Sandiford  <rsandifo@redhat.com>
12091
12092         PR rtl-optimization/16643
12093         * cfglayout.h (cfg_layout_initialize): Add a flags parameter.
12094         * cfglayout.c (cfg_layout_initialize): Pass it to cleanup_cfg.
12095         * basic-block.h (reorder_basic_blocks): Add a flags parameter.
12096         * cfglayout.c (reorder_basic_blocks): Pass it to cfg_layout_initialize.
12097         (partition_hot_cold_basic_blocks): Pass 0 to cfg_layout_initialize.
12098         * function.c (thread_prologue_and_epilogue_insns): Likewise.
12099         * rtl.h (tracer): Add a flags parameter.
12100         * tracer.c (tracer): Pass it to cfg_layout_initialise.
12101         * passes.c (rest_of_handle_stack_regs): Pass 0 to reorder_basic_blocks.
12102         (rest_of_handle_reorder_blocks): Update calls to tracer and
12103         reorder_basic_blocks, passing CLEANUP_UPDATE_LIFE if appropriate.
12104         (rest_of_handle_tracer): Pass 0 to tracer.
12105         (rest_of_handle_loop2): Pass 0 to cfg_layout_initialize.
12106
12107 2004-07-25  David Edelsohn  <edelsohn@gnu.org>
12108
12109         PR target/16239
12110         * config/rs6000/rs6000.md (movdi_internal64): Further disparage
12111         f->f.
12112
12113 2004-07-24  Nathan Sidwell  <nathan@codesourcery.com>
12114
12115         * tree.h (BINFO_BASE_ACCESSES): Accesses are a VEC(tree).
12116         (BINFO_BASE_ACCESS): Adjust.
12117         (BINFO_BASE_ACCESS_APPEND): New.
12118         (struct tree_binfo): Make base_accesses a VEC(tree) pointer.
12119         * dbxout.c (dbxout_type): Adjust binfo access accessing.
12120         * dwarf2out.c (gen_member_die): Likewise.
12121         * tree-dump.c (deque_and_dump): Likewise.
12122
12123 2004-07-26  Falk Hueffner  <falk@debian.org>
12124
12125         * config/alpha/alpha.c (alpha_rtx_cost_data): Tweak int_div
12126         costs.
12127
12128 2004-07-25  Roger Sayle  <roger@eyesopen.com>
12129
12130         * config/i386/i386.c (output_fp_compare): Use ffreep to pop top
12131         value off of the stack if TARGET_USE_FFREEP.
12132
12133 2004-07-26  Bernardo Innocenti  <bernie@develer.com>
12134
12135         * gengtype.c (oprintf): Replace xrealloc () with XRESIZEVEC ().
12136         * gengtype-yacc.y: Likewise.  Replace free() with XDELETE ().
12137         * c-typeck.c (PUSH_SPELLING): Remove redundant NULL-pointer
12138         check on invocation of XRESIZEVEC ().
12139
12140 2004-07-26  Bernardo Innocenti  <bernie@develer.com>
12141
12142         * c-common.c (disable_builtin_function): Rename variable n to
12143         new_disabled_builtin.
12144         * c-decl.c (duplicate_decls): Rename parameter decl to new_decl.
12145         Rename local variable old to old_decl.
12146         * gensupport.c (shift_output_template): Rename parameter old to src.
12147         * simplify-rtx.c (simplify_replace_rtx): Rename parameter oldx to
12148         old_rtx and newx to new_rtx.
12149
12150 2004-07-26  Bernardo Innocenti  <bernie@develer.com>
12151
12152         * Makefile.in (C_PRAGMA_H): New variable to track dependencies
12153         of c-pragma.h.
12154         * c-pragma.h (c_lex, c_lex_with_flags): Change returntype to
12155         enum cpp_ttype.
12156         * c-lex.c: Likewise.
12157
12158 2004-07-25  Roger Sayle  <roger@eyesopen.com>
12159
12160         * fold-const.c (constant_boolean_node): Make extern.
12161         (make_range): Wrap long lines.
12162         (fold_cond_expr_with_comparison): Remove unnecessary call to
12163         pedantic_non_lvalue.  Add missing calls to fold_convert.
12164         (fold_truthop): Add missing calls to fold_convert.
12165         (fold): Likewise.
12166         * tree.h (constant_boolean_node): Add prototype here.
12167         * builtins.c (expand_builtin_strncmp): Add missing calls to
12168         fold_convert.
12169         * tree-ssa-dom.c (record_equivalences_from_incoming_edge):
12170         Call fold_convert and constant_boolean_node to correct types.
12171         * tree-ssa-forwprop.c (substitute_single_use_vars): Add
12172         missing call to fold_convert to correct types.
12173
12174 2004-07-26  Niall Douglas  <s_fsfeurope2@nedprod.com>
12175             Brian Ryner  <bryner@brianryner.com>
12176
12177         PR c++/9283
12178         PR c++/15000
12179         * c-common.c (c_common_attribute_table): Allow
12180         handle_visibility_attribute to be called for types.
12181         (handle_visibility_attribute) When given a type, set the visibility
12182         bits on the TYPE_NAME.  When given a decl, don't set no_add_attrs
12183         so that we can check later whether the attribute was present. Added
12184         warning if attribute applied to non class type.
12185         * c-decl.c (diagnose_mismatched_decls): Updated rules for merging
12186         decls and checking that they are consistent.
12187         * common.opt: Added -fvisibility.
12188         * c.opt, c-opts.c: Added -fvisibility-inlines-hidden.
12189         * c-pragma.h, c-pragma.c: Added handle_pragma_visibility().
12190         * flags.h, tree.h: Added assorted support defines for overall patch
12191         * opts.c: Added parsing support for -fvisibility.
12192         * tree.c (build_decl): Set visibility for all decls to be whatever
12193         is in force at that time.
12194         * varasm.c (default_binds_local_p_1): Reworked logic determining
12195         when to make a symbol locally bound.
12196         * doc/invoke.texi: Added documentation for -fvisibility and
12197         -fvisibility-inlines-hidden.
12198
12199 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
12200
12201         * basic-block.h (reorder_block_def): Rename to reorder_block_def_p.
12202         * c-common.c: Add missing casts from void * to other types.
12203         * c-decl.c: Likewise.
12204         * c-format.c: Likewise.
12205         * c-lex.c: Likewise.
12206         * c-pragma.c: Likewise.
12207         * c-typeck.c: Likewise.
12208         * defaults.h: Likewise.
12209         * genconstants.c: Likewise.
12210         * gengtype-lex.l: Likewise.
12211         * genmodes.c: Likewise.
12212         * read-rtl.c: Likewise.
12213         * rtl.c: Likewise.
12214
12215 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
12216
12217         * bitmap.c: Use type-safe memory allocation macros from libiberty.
12218         * c-common.c: Likewise.
12219         * c-decl.c: Likewise.
12220         * c-lang.c: Likewise.
12221         * c-lex.c: Likewise.
12222         * c-opts.c: Likewise.
12223         * c-parse.in: Likewise.
12224         * c-typeck.c: Likewise.
12225         * genconditions.c: Likewise.
12226         * gengtype-lex.l: Likewise.
12227         * gengtype-yacc.y: Likewise.
12228         * gengtype.c: Likewise.
12229         * genmodes.c: Likewise.
12230         * gensupport.c: Likewise.
12231         * read-rtl.c: Likewise.
12232         * read-rtl.c (read_constants): Use INSERT instead of TRUE in call to
12233         htab_find_slot().
12234
12235 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
12236
12237         * c-decl.c (groktypename, groktypename_in_param_context): Rename
12238         variable typename to type_name.
12239         * c-lex.c (interpret_float): Likewise.
12240
12241 2004-07-25  Roger Sayle  <roger@eyesopen.com>
12242
12243         * convert.c (convert_to_real, convert_to_integer,
12244         convert_to_complex): Replace calls to build with calls to buildN.
12245         * coverage.c (tree_coverage_counter_ref): Likewise.
12246         * dojump.c (do_jump): Likewise.
12247         * dwarf2out.c (loc_descriptor_from_tree): Likewise.
12248         * emit-rtl.c (component_ref_for_mem_expr,
12249         set_mem_attributes_minus_bitpos): Likewise.
12250         * explow.c (update_nonlocal_goto_save_area): Likewise.
12251         * expmed.c (expand_shift, make_tree, const_mult_add_overflow_p,
12252         expand_mult_add): Likewise.
12253         * expr.c (emit_block_move_via_libcall, clear_storage_via_libcall,
12254         store_constructor, get_inner_reference, expand_expr_real_1,
12255         try_casesi, try_tablejump): Likewise.
12256         * function.c (expand_function_start): Likewise.
12257         * stmt.c (emit_case_bit_tests, expand_end_case_type,
12258         node_has_low_bound, node_has_high_bound, emit_case_nodes): Likewise.
12259         * stor-layout.c (place_union_field, layout_type): Likewise.
12260         * tree.c (substitute_in_expr, tree_fold_gcd): Likewise.
12261         * varasm.c (copy_constant): Likewise.
12262
12263 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
12264
12265         * c-common.c: Rename all identifiers named `new'.
12266         * c-decl.c: Likewise.
12267         * gensupport.c: Likewise.
12268         * simplify-rtx.c: Likewise.
12269         * c-common.c (disable_builtin_function): Replace a call to xmalloc()
12270         with XNEW().
12271         * gensupport.c (alter_output_for_insn): Replace two calls to xmalloc()
12272         with XNEWVEC().
12273
12274 2004-07-25  Joseph S. Myers  <jsm@polyomino.org.uk>
12275
12276         PR c/15360
12277         * c-decl.c (start_decl): Do not set DECL_EXTERNAL for initialized
12278         declarations until after calling pushdecl.
12279         (grokdeclarator): Set DECL_EXTERNAL for variables based on use of
12280         "extern" and not on whether the declaration is initialized.
12281
12282 2004-07-25  Daniel Jacobowitz  <dan@debian.org>
12283
12284         * config.gcc (i[34567]86-*-solaris2*, sparc64-*-solaris2*)
12285         (sparc-*-solaris2*): Include sol2.o and sol2-protos.h.
12286         * config/sol2-c.c: Include "tm.h", "tm_p.h", "toplev.h",
12287         "cpplib.h", "c-pragma.h", "c-common.h".
12288         (solaris_pragma_align, solaris_pragma_init, solaris_pragma_fini)
12289         (solaris_register_pragmas): New functions.
12290         * config/sol2-protos.h: New file.
12291         * config/sol2.c: New file.
12292         * config/sol2.h (SOLARIS_ATTRIBUTE_TABLE, ASM_DECLARE_FUNCTION_SIZE)
12293         (REGISTER_TARGET_PRAGMAS): New macros.
12294         (solaris_pending_aligns, solaris_pending_inits)
12295         (solaris_pending_finis): New variables.
12296         * config/t-sol2 (sol2-c.o): Update dependencies.
12297         (sol2.o): New rule.
12298         * config/i386/i386.c (TARGET_INSERT_ATTRIBUTES): Define in terms of
12299         SUBTARGET_INSERT_ATTRIBUTES.
12300         (ix86_attribute_table): Include SUBTARGET_ATTRIBUTE_TABLE.
12301         * config/i386/sol2.h (SUBTARGET_INSERT_ATTRIBUTES)
12302         (SUBTARGET_ATTRIBUTE_TABLE, ASM_OUTPUT_CALL): Define.
12303         * config/sparc/elf.h (ASM_DECLARE_FUNCTION_SIZE): Redefine.
12304         * config/sparc/sp64-elf.h (ASM_DECLARE_FUNCTION_SIZE): Redefine.
12305         * config/sparc/sol2.h (SUBTARGET_INSERT_ATTRIBUTES)
12306         (SUBTARGET_ATTRIBUTE_TABLE, ASM_OUTPUT_CALL): Define.
12307         * config/sparc/sparc.c (sparc_attribute_table): New.
12308         (TARGET_INSERT_ATTRIBUTES): Define in terms of
12309         SUBTARGET_INSERT_ATTRIBUTES.
12310         (TARGET_ATTRIBUTE_TABLE): Define if SUBTARGET_ATTRIBUTE_TABLE
12311         is defined.
12312         * doc/extend.texi (Solaris Pragmas): New section.
12313
12314 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
12315
12316         * c-common.c: Rename all identifiers named `class' to `cl'.
12317         * c-common.h: Likewise.
12318         * c-parse.in: Likewise.
12319         * c-typeck.c: Likewise.
12320         * genmodes.c: Likewise.
12321         * real.c: Likewise.
12322         * real.h: Likewise.
12323         * recog.c: Likewise.
12324         * recog.h: Likewise.
12325         * regrename.c: Likewise.
12326         * tree.h: Likewise.
12327         * c-common.c (builtin_function_2): Change type of 5th parameter from
12328         int to enum built_in_function. Change type of 8th parameter from int
12329         to bool.
12330         * c-decl (builtin_function): Replace call to ggc_alloc_cleared ()
12331         with GGC_CNEW().
12332         * c-typeck.c (convert_arguments): Change type of formal_prec from
12333         int to unsigned int.
12334         * genmodes.c (blank_mode): Make a few negative constants unsigned.
12335         (complete_all_modes, calc_wider_mode, emit_insn_modes_h,
12336         emit_mode_name, emit_mode_class, emit_mode_precision, emit_mode_size,
12337         emit_mode_nunits, emit_mode_wider, emit_mode_mask, emit_mode_inner,
12338         emit_mode_base_align, emit_class_narrowest_mode): Pass an integer
12339         iterator to for_all_modes () instead of an enum because enums can't
12340         be incremented in C++.
12341
12342
12343 2004-07-25  Daniel Jacobowitz  <dan@debian.org>
12344
12345         * regmove.c (optimize_reg_copy_1): Don't try to replace call-used
12346         hard registers.
12347
12348 2004-07-25  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
12349
12350         * tree-ssa-operands.c (get_stmt_operands, get_expr_operands):
12351         Handle ARRAY_RANGE_REF like ARRAY_REF.
12352
12353 2004-07-25  Joseph S. Myers  <jsm@polyomino.org.uk>
12354
12355         * c-typeck.c (digest_init): Don't allow arrays of signed or
12356         unsigned variants of wchar_t to be initialized by wide string
12357         constants.  Do allow arrays of enumerated types compatible with
12358         wchar_t to be initialized by wide string constants.  Refine tests
12359         distinguishing wide and narrow strings and arrays.  Give specific
12360         error for arrays of other integer types initialized by string
12361         constants.
12362         (output_init_element, process_init_element): Check for
12363         INTEGRAL_TYPE_P rather than just for INTEGER_TYPE when
12364         initializing with string constants.
12365
12366 2004-07-25  Richard Henderson  <rth@redhat.com>
12367
12368         * c-decl.c (start_function): Set DECL_ARTIFICIAL and DECL_IGNORED_P
12369         on the RESULT_DECL.
12370         * cgraphunit.c (cgraph_build_static_cdtor): Likewise.
12371         * integrate.c (copy_decl_for_inlining): Copy DECL_ARTIFICIAL and
12372         DECL_IGNORED_P to new decl.
12373
12374 2004-07-24  Zack Weinberg  <zack@codesourcery.com>
12375
12376         * config/ia64/ia64.c (general_xfmode_operand)
12377         (destination_xfmode_operand): Delete.
12378         * config/ia64/ia64.h (PREDICATE_CODES): Remove them.
12379         * config/ia64/ia64.md (*movxf_internal): Use general_operand
12380         and destination_operand.
12381
12382 2004-07-24  Alexander Kabaev  <kan@freebsd.org>
12383
12384         * config/ia64/ia64.h (SUBTARGET_EXTRA_SPECS): Default to nothing.
12385         (EXTRA_SPECS): Use SUBTARGET_EXTRA_SPECS.
12386
12387 2004-07-24  Alexander Kabaev  <kan@freebsd.org>
12388             Zack Weinberg  <zack@codesourcery.com
12389
12390         PR 16684
12391         * c-decl.c (diagnose_mismatched_decls): Don't issue a
12392         redundant-declaration warning the first time a builtin is
12393         declared explicitly.
12394
12395 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
12396
12397         * tree.h (staticp): Change return type to bool.
12398
12399 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
12400
12401         * c-common.c (c_staticp): Last episode of the staticp saga.
12402
12403 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
12404
12405         * c-common.h (c_staticp): Change return type from int to bool.
12406         * tree.c (staticp): Likewise.
12407         * langhooks.h (staticp): Likewise.
12408
12409 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
12410
12411         * langhooks-def.h (lhd_staticp): Change return type from int to
12412         bool in prototype to match definition.
12413
12414 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
12415
12416         * system.h (bool, true, false): Don't redefine as preprocessor macros
12417         in C++.
12418
12419 2004-07-24  Roger Sayle  <roger@eyesopen.com>
12420
12421         * expmed.c (init_expmed): A signed modulus by a power of two is
12422         considered cheap if its less than or equal to four instructions.
12423
12424 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
12425
12426         * ggc.h (GGC_NEW, GGC_CNEW, GGC_NEWVEC, GGC_CNEWVEC, GGC_NEWVAR,
12427         GGC_CNEWVAR): New macros.
12428
12429 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
12430
12431         * c-common.c: Convert ATTRIBUTE_UNUSED to ARG_UNUSED in parameter
12432         lists.
12433         * c-decl.c: Likewise.
12434         * c-format.c: Likewise.
12435         * c-lex.c: Likewise.
12436         * c-opts.c: Likewise.
12437         * c-pragma.c: Likewise.
12438         * c-typeck.c: Likewise.
12439         * gencheck.c: Likewise.
12440         * genconditions.c: Likewise.
12441         * genconfig.c: Likewise.
12442         * genflags.c: Likewise.
12443         * gengtype.c: Likewise.
12444         * gensupport.c: Likewise.
12445         * ggc-none.c: Likewise.
12446         * langhooks.c: Likewise.
12447         * statistics.h: Likewise.
12448         * stub-objc.c: Likewise.
12449         * java/decl.c: Likewise.
12450
12451 2004-07-24  Roman Zippel  <zippel@linux-m68k.org>
12452
12453         * config/m68k/m68k.c (output_scc_di): Fix coding style.
12454         (symbolic_operand): Fix prototype.
12455         * config/m68k/m68k.h (PREDICATE_CODES): Add symbolic_operand.
12456         * config/m68k/m68k.md: Add constants for registers a0 and sp and
12457         use them, change from the "{...}" syntax to the simpler {...}
12458         syntax.
12459         (*cfv4_extendqisi2): Fix destination predicate.
12460         * config/m68k/m68k-protos.h: Remove various declarations also
12461         generated via PREDICATE_CODES.
12462
12463 2004-07-23  Mike Stump  <mrs@apple.com>
12464
12465         * c-typeck.c (convert_for_assignment): Tightened up pointer
12466         converstions that differ in signedness.
12467
12468 2004-07-23  Zack Weinberg  <zack@codesourcery.com>
12469
12470         * genmodes.c (make_vector_modes): Mark with ATTRIBUTE_UNUSED.
12471
12472 2004-07-23  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
12473
12474         * tree.def (VIEW_CONVERT_EXPR): Change to class 'r'.
12475         * tree-ssa-operands.c (get_expr_operands, case VIEW_CONVERT_EXPR): New.
12476
12477         * gimplify.c (gimplify_compound_lval): Check for no handled
12478         operations, rather than checking for explicit list of nodes.
12479         (is_gimple_addr_expr_arg_or_indirect): New function.
12480         (gimplify_addr_expr): Call it and handle INDIRECT_REF; remove
12481         redundant setting of TREE_INVARIANT.
12482         (gimplify_expr, case VIEW_CONVERT_EXPR): Call gimplify_compound_lval.
12483         * tree-gimple.c (is_gimple_addr_expr_arg): Call handled_component_p.
12484
12485 2004-07-23  Diego Novillo  <dnovillo@redhat.com>
12486
12487         PR tree-optimization/16688
12488         PR tree-optimization/16689
12489         * tree-ssa-alias.c (setup_pointers_and_addressables): Remove
12490         unnecessary initialization of 'tag'.
12491         (get_tmt_for): Check that the new type tag has the same alias
12492         set as the pointed-to type.
12493         (group_aliases): Only regular variables need to be removed
12494         from the alias set of a name tag.
12495         * tree-ssa-copy.c (may_propagate_copy): Do not allow copy
12496         propagation if the two types are not compatible.
12497         (merge_alias_info): Rename from replace_ssa_names_ann.
12498         Add more checking.
12499         (replace_exp_1): If both arguments are SSA_NAMEs, check that
12500         the propagation can be done.
12501         Only call merge_alias_info on pointers.
12502         (propagate_value): Likewise.
12503         * tree-ssa-copyrename.c: Include langhooks.h.
12504         (copy_rename_partition_coalesce): Call replace_ssa_name_symbol
12505         to do the merging.
12506         Do not coalesce variables with incompatible types.
12507         (rename_ssa_copies): Call replace_ssa_name_symbol.
12508         * tree-ssa.c (verify_ssa_name): Verify that the SSA_NAME has
12509         the same type as the underlying _DECL.
12510         * tree-ssanames.c (replace_ssa_name_symbol): New function.
12511         * tree.h (replace_ssa_name_symbol): Declare.
12512
12513 2004-07-23  Richard Henderson  <rth@redhat.com>
12514
12515         PR c++/16277
12516         * gimplify.c (gimplify_cond_expr): Gimplify TARGET to a min_lval;
12517         unshare it properly.
12518         (gimplify_modify_expr_rhs): Push assignment from a conditional into
12519         the conditional for all non-register types.
12520
12521 2004-07-23  Richard Henderson  <rth@redhat.com>
12522
12523         * expr.c (expand_expr_real_1): Don't handle non-local variables.
12524         * expr.h (fix_lexical_addr): Remove.
12525         * function.c (NEED_SEPARATE_AP): Remove.
12526         (fix_lexical_addr): Remove.
12527         * tree-alias-common.c (get_alias_var_decl): Check TREE_STATIC,
12528         not null decl_function_context.
12529         (create_alias_vars): Likewise.
12530         * tree-cfg.c (make_ctrl_stmt_edges): Don't check for non-local labels.
12531         (simple_goto_p): Likewise.
12532         * tree-dfa.c (add_referenced_var): Don't check for non-local variables.
12533         * tree-ssa-ccp.c (get_default_value): Likewise.
12534         * tree-tailcall.c (suitable_for_tail_opt_p): Likewise.
12535         * tree.c (needs_to_live_in_memory): Likewise.
12536         * tree-flow-inline.h (may_be_aliased): Move...
12537         * tree-ssa-alias.c (may_be_aliased): ... here.  Enhance check for
12538         when TREE_STATIC variables may be addressable.
12539
12540 2004-07-24  Jakub Jelinek  <jakub@redhat.com>
12541
12542         * Makefile.in (site.exp): Add HOSTCC and HOSTCFLAGS to site.exp.
12543
12544 2004-07-23  Zack Weinberg  <zack@codesourcery.com>
12545
12546         * print-rtl.c (print_rtx <case 'b'>): Don't attempt to print
12547         bitmap contents if GENERATOR_FILE is defined.
12548         * Makefile.in (BUILD_RTL): Remove $(BUILD_PREFIX)bitmap.o.
12549         ($(BUILD_PREFIX_1)bitmap.o): Delete rule.
12550
12551 2004-07-23  Joseph S. Myers  <jsm@polyomino.org.uk>
12552
12553         * c-decl.c (start_function): Form composite type of function types
12554         rather than copying type from previous prototype declaration.
12555
12556 2004-07-23  Janis Johnson  <janis187@us.ibm.com>
12557
12558         * config/rs6000/altivec.h (vec_lvewx, vec_lvehx, vec_lvwbx): Remove
12559         the const qualifier for the second argument in the C++ functions.
12560
12561         * config/rs6000/altivec.h (vec_stvewx, vec_stvehx, vec_stvebx): Use
12562         specific pointer types.
12563
12564         * config/rs6000/altivec.h (vec_vadduwm): (vec_vadduwm, vec_vadduhm,
12565         vec_vaddubm, vec_vsubuwm, vec_vsubuhm, vec_vsububm): Fix types used
12566         for vector bool and/or vector pixel, add C++ and C missing support.
12567         (vec_vaddsws, vec_vaddshs, vec_vaddsbs, vec_vmaxsw, vec_vmaxsh,
12568         vec_vmaxsb, vec_vmrghw, vec_vmrghh, vec_vmrghb, vec_vmrglw, vec_vmrglh,
12569         vec_vmrglb, vec_vminsw, vec_vminsh, vec_vminsb, vec_vpkuwum,
12570         vec_vpkuhum, vec_vspltw, vec_vsplth, vec_vspltb, vec_vsubsws,
12571         vec_vsubshs, vec_vsubsbs, vec_vupklsh, vec_vupkhsh, vec_vupklsb): Add
12572         missing C++ and C support for vector bool and/or vector pixel.
12573         (vec_vadduws, vec_vadduhs, vec_vaddubs, vec_vcmpeqfp, vec_vcmpequw,
12574         vec_vcmpequh, vec_vcmpequb, vec_vcmpgtfp, vec_vcmpgtsw, vec_vcmpgtuw,
12575         vec_vcmpgtsh, vec_vcmpgtuh, vec_vcmpgtsb, vec_vcmpgtub, vec_vmaxuw,
12576         vec_vmaxuh, vec_vmaxub, vec_vminuw, vec_vminuh, vec_vminub,
12577         vec_vsubuws, vec_vsubuhs, vec_vsububs, vec_vupkhpx, vec_vupklpx): Fix
12578         C++ and C types used for vector bool and/or vector pixel.
12579         (vec_st, vec_stl): Add C++ support for vector pixel.
12580         (vec_unpackh, vec_unpackl, vec_any_ge): Fix C++ support for vector bool.
12581         (vec_all_ne): Add C++ support for vector pixel.
12582
12583         * config/rs6000/altivec.h (vec_vcmpgtsh): Fix C++ function name.
12584         (vec_vmulesb): Add missing C++ function.
12585         (vec_perm): Fix type of third argument in C++ function.
12586         (vec_vsum4shs): Fix C++ function name.
12587         (vec_any_ge): Remove C++ functions for unsupported arg combinations.
12588         (vec_vcmpgtsw, vec_vcmpgtuw, vec_minsb, vec_vmsummbm): Fix the
12589         argument passed to the error handler in C macro.
12590         (vec_nmsub): Remove extra parens around argument names in C macro.
12591         (vec_packpx): Add missing parens in C macro.
12592
12593 2004-07-22  Paolo Bonzini  <bonzini@gnu.org>
12594
12595         * machmode.def: Remove vector modes.
12596         * config/alpha/alpha-modes.def: Add supported vector modes.
12597         * config/arm/arm-modes.def: Likewise.
12598         * config/frv/frv-modes.def: Likewise.
12599         * config/i386/i386-modes.def: Likewise.
12600         * config/rs6000/rs6000-modes.def: Likewise.
12601         * config/sh/sh-modes.def: Likewise.
12602
12603 2004-07-23  Matthias Klose  <doko@debian.org>
12604
12605         * intl.c (gcc_init_libintl): Use PACKAGE for the text domain.
12606         * configure.ac: Add AC_DEFINE_UNQUOTED for PACKAGE.
12607         * config.h: Regenerate.
12608         * configure: Likewise.
12609
12610 2004-07-22  Mark Mitchell  <mark@codesourcery.com>
12611
12612         * dwarf2out.c (output_call_frame_info): Set SYMBOL_FLAG_LOCAL on
12613         generated SYMBOL_REFs for labels.
12614         * config/darwin-protos.h (machopic_validate_stub_or_non_lazy_ptr):
12615         Change prototype.
12616         (machopic_stub_name): Remove.
12617         (machopic_indirection_name): New function.
12618         (machopic_mcount_stub_name): Likewise.
12619         (machopic_classify_name): Remove.
12620         (machopic_function_base_sym): New function.
12621         (machpoic_classify_symbol): Likewise.
12622         (machopic_classify_ident): Remove.
12623         (machopic_define_ident): Likewise.
12624         (machopic_define_name): Likewise.
12625         (machopic_name_defined_p): Likewise.
12626         (machopic_ident_defined_p): Likewise.
12627         (darwin_strip_name_encoding): Likewise.
12628         (machopic_define_symbol): New function.
12629         * config/darwin.c (hashtab.h): Include.
12630         (machopic_defined_list): Remove.
12631         (machopic_classify_ident): Likewise.
12632         (machopic_classify_name): Likewise.
12633         (machopic_ident_defined_p): Likewise.
12634         (machopic_define_ident): Likewise.
12635         (machopic_define_name): Likewise.
12636         (machopic_symbol_defined_p): New function.
12637         (machopic_classify_symbol): Likewise.
12638         (machopic_data_defined_p): Use machopic_classify_symbol.
12639         (machopic_define_symbol): New function.
12640         (machopic_function_base_sym): New function.
12641         (machopic_non_lazy_pointers): Remove.
12642         (machopic_non_lazy_ptr_name): Likewise.
12643         (machopic_stubs): Likewise.
12644         (machopic_stub_name): Likewise.
12645         (NON_LAZY_POINTER_SUFFIX): New macro.
12646         (STUB_SUFFIX): Likewise.
12647         (machopic_indirection): New structure.
12648         (machopic_indirections): New variable.
12649         (machopic_indirection_hash): New function.
12650         (machopic_indirection_eq): Likewise.
12651         (machopic_indirection_name): Likewise.
12652         (machopic_mcount_stub_name): New function.
12653         (machopic_validate_stub_or_non_lazy_pointer): Reimplement to use
12654         hash table.
12655         (machopic_indirect_data_reference): Rework to use new functions.
12656         (machopic_indirect_call_target): Likewise.
12657         (machopic_legitimize_pic_address): Likewise.
12658         (machopic_output_indirection): New function.
12659         (machopic_finish): Use it.
12660         (machopic_operand_p): Rework to use new functions.
12661         (darwin_encode_seciton_info): Use SYMBOL_REF_FLAGS.
12662         (darwin_strip_name_encoding): Remove.
12663         (update_non_lazy_ptrs): Remove.
12664         (update_stubs): Likewise.
12665         (darwin_non_lazy_pcrel): Use new functions.
12666         * config/darwin.h (ASM_DECLARE_OBJECT_NAME): Likewise.
12667         (ASM_OUTPUT_LABELREF): Likewise.
12668         (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Likewise.
12669         (MACHO_SYMBOL_FLAG_VARIABLE): New macro.
12670         (MACHO_SYMBOL_FLAG_DEFINED): Likewise.
12671         (TARGET_STRIP_NAME_ENCODING): Do not use
12672         darwin_strip_name_encoding.
12673         (GEN_LAZY_PTR_NAME_FOR_SYMBOL): Do not use
12674         darwin_strip_name_encoding.
12675         * config/i386/darwin.h (FUNCTION_PROFILER): Use
12676         machopic_mcount_stub_name.
12677         * config/i386/i386.c (x86_output_mi_thunk): Use
12678         machopic_indirection_name, not machopic_stub_name.
12679         * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Use
12680         machopic_function_base_sym.
12681         (print_operand): Use machopic_classify_symbol.
12682         (rs6000_emit_prologue): Use machopic_function_base_sym.
12683         (output_profile_hook): Do not use machopic_stub_name.
12684         (macho_branch_isalnds): Do not use darwin_strip_name_encoding.
12685
12686 2004-07-22  Joseph S. Myers  <jsm@polyomino.org.uk>
12687
12688         PR c/7284
12689         * fold-const.c (extract_muldiv_1): Do not treat signed left shift
12690         as multiplication.
12691
12692 2004-07-22  Joseph S. Myers  <jsm@polyomino.org.uk>
12693
12694         * doc/implement-c.texi: New file.
12695         * doc/extend.texi (C Implementation): Move to there.
12696         * doc/gcc.texi: Include implement-c.texi.
12697         * Makefile.in (TEXI_GCC_FILES): Add implement-c.texi.
12698
12699 2004-07-22  Jason Merrill  <jason@redhat.com>
12700
12701         * integrate.c (copy_decl_for_inlining): Remove invisible reference
12702         handling.
12703         * tree-inline.c (setup_one_parameter): Likewise.
12704
12705 2004-07-22  Brian Booth  <bbooth@redhat.com>
12706
12707         * tree-ssa-ccp.c (latticevalue): Add UNKNOWN_VAL.
12708         (substitute_and_fold): Propigate into VUSE operands when possible.
12709         (visit_phi_node): Handle UNKNOWN_VAL latticevalue.
12710         (cp_lattice_meet): Handle merging of latticevalues when
12711         UNKNOWN_VAL is present.
12712         (visit_stmt): Visit assignments with V_MUST_DEFs.
12713         (visit_assignment): Gather ccp information for V_MUST_DEF operands.
12714         (ccp_fold): Deal with RHS' that are constant and virtual.
12715         (evaluate_stmt): Handle UNKNOWN_VAL likely values.
12716         (dump_lattice_value): Dump UNKNOWN_VAL latticevalues.
12717         (initialize): Mark statements with V_MUST_DEFs as VARYING only if the
12718         V_MUST_DEF operand is VARYING. Fix comment and include VOPS when
12719         computing immediate uses.
12720         (set_lattice_value): Disallow a UNKNOWN_VAL->UNDEFINED state
12721         transition.
12722         (replace_vuse_in): New function.
12723         (likely_value): Add check of vuse operands.
12724         (get_default_value): Set the default value of virtually defined
12725         variables to UKNOWN_VAL instead of VARYING.
12726
12727 2004-07-22  Richard Henderson  <rth@redhat.com>
12728
12729         * expr.c (emit_push_insn): Don't use set_mem_attributes.
12730
12731 2004-07-22  Richard Henderson  <rth@redhat.com>
12732
12733         * tree-ssa-live.c (create_ssa_var_map): Avoid defined-but-not-used
12734         variables due to conditional compilation.
12735
12736 2004-07-22  Diego Novillo  <dnovillo@redhat.com>
12737
12738         * tree-into-ssa.c (set_livein_block): Fix typo in comment.
12739         (rewrite_ssa_into_ssa): Start iterating over SSA names at 1.
12740         Release SSA names that have been re-renamed.
12741         * tree-phinodes.c (make_phi_node): Set same TREE_TYPE as the
12742         variable.
12743         * tree-ssa-alias.c (init_alias_info): If aliases have been
12744         computed before, clear existing alias information.
12745         (create_name_tags): Do no fixup PT_ANYTHING pointers.
12746         If the new name tag for a pointer is different than the one it
12747         had before, mark the old tag for renaming.
12748         (replace_may_alias): New function.
12749         (group_aliases): Call it.
12750         (setup_pointers_and_addressables): Always call get_tmt_for.
12751         (maybe_create_global_var): Don't create .GLOBAL_VAR more than
12752         once.
12753         (set_pt_anything): New local function.
12754         (set_pt_malloc): New local function.
12755         (merge_pointed_to_info): Don't merge pointed-to variables from
12756         the original pointer if the destination is pointing to an
12757         unknown location.
12758         (add_pointed_to_expr): Call set_pt_anything and set_pt_malloc.
12759         (add_pointed_to_var): Do not add a variable to the points-to
12760         set if the pointer is already pointing to anywhere.
12761         (collect_points_to_info_r): If the defining statement is a PHI
12762         node, only merge pointed-to information if the argument has
12763         already been visited.
12764         (get_tmt_for): Only create a new tag if the pointer didn't
12765         have one already.
12766         (dump_alias_info): Emit more information.
12767         (dump_points_to_info_for): Likewise.
12768         * tree-ssa-dom.c (redirect_edges_and_update_ssa_graph): Don't
12769         try to get the annotation of an SSA_NAME.
12770         * tree-ssa-operands.c (add_stmt_operand): Only check for empty
12771         alias sets when checking is enabled.
12772         * tree-ssa-pre.c (need_eh_cleanup): New local variable.
12773         (eliminate): Mark basic blocks that will need
12774         EH information cleaned up.
12775         (init_pre): Split ENTRY_BLOCK->0 if block 0 has more than one
12776         predecessor.
12777         Initialize need_eh_cleanup.
12778         (fini_pre): Call tree_purge_all_dead_eh_edges and
12779         cleanup_tree_cfg if needed.
12780         Free need_eh_cleanup.
12781         * tree-ssa.c (verify_ssa_name): New function.
12782         (verify_def): Call it.
12783         Re-arrange to avoid printing too many error messages.
12784         (verify_use): Likewise.
12785         (verify_phi_args): Likewise.
12786         (verify_flow_insensitive_alias_info): New function.
12787         (verify_flow_sensitive_alias_info): New function.
12788         (verify_alias_info): New function.
12789         (verify_ssa): Call verify_alias_info.
12790         Clear TREE_VISITED on all the SSA_NAMEs before scanning the
12791         program.
12792         Re-arrange to avoid printing too many error messages.
12793         * tree-ssanames.c (make_ssa_name): Clear
12794         SSA_NAME_IN_FREE_LIST.
12795         (release_ssa_name): Never release a default definition.
12796         (release_defs): New function.
12797         * tree.h: Declare it.
12798         * tree-ssa-dce.c (remove_dead_stmt): Call it.
12799
12800 2004-07-22  Diego Novillo  <dnovillo@redhat.com>
12801
12802         * tree-ssa.c (walk_use_def_chains_1): Add new argument IS_DFS.
12803         If true, do a depth-first search.  Do a breadht-first search,
12804         otherwise.
12805         (walk_use_def_chains): Add new argument IS_DFS.
12806         Update all users.
12807         * tree-flow.h (walk_use_def_chains): Update prototype.
12808
12809 2004-07-22  Hans-Peter Nilsson  <hp@axis.com>
12810
12811         * config/cris/cris.md: Tweak formatting.
12812         (asrandb, asrandw, lsrandb, lsrandw, moversideqi, movemsideqi)
12813         (mover2side, moverside, movemside, movei, op3, andu): Replace
12814         live define_peephole:s with define_peephole2 near-equivalents.
12815         Delete the rest.
12816         ("*mov_sidesisf_biap"): Rename from "*mov_sidesi_biap".  Match all
12817         word-size modes.
12818         ("*mov_sidesisf", "*mov_sidesisf_biap_mem", "*mov_sidesisf_mem"):
12819         Similar for "*mov_sidesi", "*mov_sidesi_biap_mem" and
12820         "*mov_sidesi_mem" respectively.
12821
12822 2004-07-22  Paolo Bonzini  <bonzini@gnu.org>
12823
12824         * tree-cfg.c (gimplify_val): Move from tree-complex.c.
12825         (gimplify_build1): Move from tree-complex.c do_unop.
12826         (gimplify_build2): Move from tree-complex.c do_binop.
12827         (gimplify_build3): New.
12828         * tree-complex.c (gimplify_val, do_unop, do_binop): Remove.
12829         Adjust throughout to call the functions above.
12830         * tree-flow.h: Declare the functions above.
12831         * tree-nested.c (gimplify_val): Rename to...
12832         (tsi_gimplify_val): ... this.
12833
12834         * Makefile.in (tree_complex.o): Update dependencies.
12835         (stor-layout.o): Depend on regs.h.
12836         * c-common.c (handle_vector_size_attribute): Update for
12837         vector types without corresponding vector modes.
12838         * expr.c (expand_expr): Treat VECTOR_CST's like CONSTRUCTORS if
12839         a corresponding vector mode is not available.
12840         * print-tree.c (print_node): Print nunits for vector types
12841         * regclass.c (have_regs_of_mode): New.
12842         (init_reg_sets_1): Initialize it and use it instead
12843         of allocatable_regs_of_mode.
12844         * regs.h (have_regs_of_mode): Declare it.
12845         * stor-layout.c (layout_type): Pick a mode for vector types.
12846         * tree-complex.c (build_word_mode_vector_type, tree_vec_extract,
12847         build_replicated_const, do_unop, do_binop, do_plus_minus,
12848         do_negate, expand_vector_piecewise, expand_vector_parallel,
12849         expand_vector_addition, expand_vector_operations_1,
12850         expand_vector_operations, tree_lower_operations,
12851         pass_lower_vector_ssa, pass_pre_expand): New.
12852         (expand_complex_operations, pass_lower_complex): Remove.
12853         * tree-optimize.c (init_tree_optimization_passes): Adjust
12854         pass ordering for changes in tree-complex.c.
12855         * tree-pass.h: Declare new passes.
12856         * tree.c (finish_vector_type): Remove.
12857         (make_vector_type): New.
12858         (build_vector_type_for_mode, build_vector_type): Rewritten.
12859         * tree.def (VECTOR_TYPE): Document where the number of
12860         subparts is stored.
12861         * tree.h (TYPE_VECTOR_SUBPARTS): Use TYPE_PRECISION field.
12862         (make_vector): Remove declaration.
12863
12864 2004-07-21  Richard Henderson  <rth@redhat.com>
12865
12866         * gimple-low.c (expand_var_p): Don't look at TREE_ADDRESSABLE,
12867         TREE_THIS_VOLATILE, may_aliases, or optimization level.
12868         (remove_useless_vars): Dump debugging info.
12869         (expand_used_vars): Move ...
12870         * cfgexpand.c (expand_used_vars): ... here.  Make static.
12871         * tree-flow-inline.h (set_is_used): New.
12872         (set_default_def): Use get_var_ann.
12873         * tree-flow.h: Update decls.
12874         * tree-ssa-live.c (mark_all_vars_used_1, mark_all_vars_used): New.
12875         (create_ssa_var_map): Use it.
12876         * tree-ssa.c (set_is_used): Remove.
12877
12878 2004-07-22  Ben Elliston  <bje@au.ibm.com>
12879
12880         * gdbinit.in: Set a breakpoint on internal_error.
12881
12882 2004-07-21  Richard Henderson  <rth@redhat.com>
12883
12884         * cfgexpand.c (expand_gimple_tailcall): Fix case where we need
12885         to create a new basic block.
12886
12887 2004-07-22  Joseph S. Myers  <jsm@polyomino.org.uk>
12888
12889         PR c/15052
12890         * c-decl.c (grokdeclarator): Only pedwarn for qualified void
12891         return type on function definitions.  Move other warnings for
12892         qualified return type to -Wreturn-type.  Do not condition any such
12893         warnings on -pedantic.  Update comments.
12894         (start_function): Only copy function type from previous prototype
12895         declaration if return types are compatible.
12896         * c-typeck.c (function_types_compatible_p): Don't condition
12897         warning for incompatibility of volatile qualifiers on the return
12898         type on -pedantic.  Update comment.
12899         * doc/invoke.texi (-Wreturn-type, -Wextra): Update.
12900
12901 2004-07-22  Joseph S. Myers  <jsm@polyomino.org.uk>
12902
12903         * c-typeck.c (set_init_index): Require designator to be of integer
12904         type.
12905
12906 2004-07-22  Joseph S. Myers  <jsm@polyomino.org.uk>
12907
12908         PR c/11250
12909         * c-parse.in (init): Change to exprtype.
12910         (primary): Set original_code for STRING to STRING_CST.
12911         Call maybe_warn_string_init for compound literals.
12912         (initdcl, notype_initdcl): Call maybe_warn_string_init.
12913         (initval): Update.
12914         * c-tree.h (maybe_warn_string_init): New.
12915         (pop_init_level, process_init_element): Use struct c_expr.
12916         (struct c_expr): Update comment.
12917         * c-typeck.c (maybe_warn_string_init): New function.
12918         (digest_init): Call it.  Additional parameter strict_string.  All
12919         callers changed.
12920         (output_init_element): Likewise.
12921         (struct constructor_stack): Use struct c_expr for
12922         replacement_value.
12923         (really_start_incremental_init, push_init_level): Update.
12924         (pop_init_level): Update.  Return struct c_expr.
12925         (process_init_level): Update.  Take struct c_expr argument.
12926
12927 2004-07-21  David S. Miller  <davem@nuts.davemloft.net>
12928
12929         * config/sparc/sparc.c (sparc_rtx_costs): Fix typo in previous
12930         commit.
12931
12932 2004-07-21  Eric Christopher  <echristo@redhat.com>
12933
12934         * builtins.c (expand_builtin_setjmp_receiver): Fix comment for code
12935         removal.
12936         * c-decl.c (pop_scope): Ditto.
12937         * calls.c (expand_call): Remove call to current_nesting_level,
12938         update comment accordingly. Remove calls to expand_start_target_temps
12939         and expand_end_target_temps.
12940         * cfgexpand.c (construct_init_block): Remove call to
12941         expand_start_bindings_and_block.
12942         (construct_exit_block): Remove call to expand_end_bindings.
12943         * expr.c (safe_from_p): Remove BIND_EXPR handling.
12944         (expand_expr_real_1): Ditto. Fix formatting.
12945         (expand_vars): Delete.
12946         * stmt.c (POPSTACK): Remove block_stack.
12947         (stmt_status): Remove x_block_stack.
12948         (block_stack): Delete.
12949         (expand_start_bindings_and_block): Ditto.
12950         (expand_start_target_temps): Ditto.
12951         (expand_end_target_temps): Ditto.
12952         (current_nesting_level): Ditto.
12953         (warn_about_unused_variables): Ditto.
12954         (expand_end_bindings): Ditto.
12955         * tree.h: Remove declarations for above.
12956
12957 2004-07-21  Steven Bosscher  <stevenb@suse.de>
12958
12959         * rtl.h (insn_note): Remove NOTE_INSN_PREDICTION.
12960         * rtl.c (note_insn_name): Likewise.
12961         * print-rtl.c (print_rtx): Don't print it.
12962         * cfgrtl.h (can_delete_note_p): Don't handle it.
12963         (rtl_delete_block): Likewise.
12964         * passes.c (rest_of_handle_guess_branch_prob): Remove.
12965         (rest_of_compilation): Don't call it.
12966         * predict.c (process_note_predictions, process_note_prediction,
12967         note_prediction_to_br_prob): Remove.
12968         * basic-block.c (note_prediction_to_br_prob): Remove prototype.
12969         * stmt.c (return_prediction): Remove.
12970         (expand_value_return): Don't call it.  Don't add prediction
12971         notes for return statements.
12972
12973 2004-07-21  Josef Zlomek  <zlomekj@suse.cz>
12974
12975         * var-tracking.c (vt_find_locations): Set the in_pending bitmap at
12976         once.
12977
12978 2004-07-21  Paolo Bonzini  <bonzini@gnu.org>
12979
12980         * c-common.c (vector_types_convertible_p): Use vector types'
12981         TYPE_SIZE and TREE_TYPE instead of their mode.
12982         * convert.c (convert_to_integer): Likewise.
12983         (convert_to_vector): Likewise.
12984         * fold-const.c (fold_convert): Likewise.
12985         * varasm.c (output_constant): Likewise.
12986         * expr.c (store_constructor): Split ARRAY_TYPE and VECTOR_TYPE.
12987         Allow a VECTOR_TYPE initializer to be made of several vectors.
12988         For ARRAY_TYPEs and VECTOR_TYPES, simplify a bit the handling
12989         of cleared and need_to_clear, and use fold_convert.
12990         * c-typeck.c (build_binary_op): Do not use RDIV_EXPR for
12991         integer vectors.
12992
12993 2004-07-20  Richard Henderson  <rth@redhat.com>
12994
12995         * cfgexpand.c (expand_gimple_cond_expr, expand_gimple_tailcall): Split,
12996         (expand_gimple_basic_block): out from here.  Renamed from expand_block.
12997
12998 2004-07-20  David S. Miller  <davem@nuts.davemloft.net>
12999
13000         * config/sparc/sparc.c (sparc_rtx_costs case MULT): Emit
13001         enormous cost if not TARGET_HARD_MUL.
13002
13003 2004-07-20  Andrew Pinski  <apinski@apple.com>
13004
13005         PR target/16557
13006         * config/i386/darwin.h (CC1_SPEC): Move the -g SPECs from ...
13007         (ASM_SPEC): here.
13008
13009 2004-07-21  Paul brook  <paul@codesourcery.com>
13010
13011         * config/arm/arm.c (thumb_expand_prologue): Remove bogus GEN_INT.
13012
13013 2004-07-20  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
13014
13015         * fold-const.c (operand_equal_p): Temporarily support NULL args.
13016         (operand_equal_p, case ARRAY_REF): Compare args 2 and 3.
13017         (operand_equal_p, case COMPONENT_REF): Likewise, for arg 2.
13018
13019 2004-07-20  Zack Weinberg  <zack@codesourcery.com>
13020
13021         * rtl.h (plus_constant): Delete.
13022         (plus_constant_wide): Rename to plus_constant.
13023         (plus_constant_for_output_wide): Delete vestigial prototype.
13024         (GEN_INT): Remove unnecessary cast.
13025         * tree.h (build_int_2, size_int_type): Delete.
13026         (build_int_2_wide): Rename to build_int_2.
13027         (size_int_wide): Rename to size_int_kind.
13028         (size_int_type_wide): Rename to size_int_type.
13029         (size_int, ssize_int, bitsize_int, sbitsize_int): Use size_int_kind.
13030         Remove unnecessary cast.
13031         * tree.c (build_int_2_wide): Rename build_int_2; update comment.
13032         * explow.c (plus_constant_wide): Rename plus_constant; update comment.
13033         * fold-const.c (size_int_wide): Rename size_int_kind. Use size_int_type.
13034         (size_int_type_wide): Rename size_int_type.
13035         (int_const_binop): Use size_int_type.
13036         * c-lex.c (interpret_integer): Use build_int_2.
13037         * final.c (split_double): Remove unnecessary casts.
13038         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Use build_int_2.
13039
13040 2004-07-20  Richard Henderson  <rth@redhat.com>
13041
13042         * gimplify.c (is_gimple_tmp_var): Move to tree-gimple.c.
13043         (gimplify_compound_lval): Use is_gimple_tmp_reg.
13044         * tree-gimple.c (is_gimple_tmp_var): Move from gimplify.c.
13045         (is_gimple_tmp_reg): New.
13046         * tree-gimple.h (is_gimple_tmp_reg): Declare.
13047
13048 2004-07-20  Richard Henderson  <rth@redhat.com>
13049
13050         * tree-pretty-print.c (dump_generic_node): Dump
13051         CALL_EXPR_HAS_RETURN_SLOT_ADDR.
13052
13053 2004-07-20  Frank Ch. Eigler  <fche@redhat.com>
13054
13055         * tree-mudflap.c (mf_set_options_fndecl): New tree.
13056         (mudflap_init): Set it.
13057         (mudflap_register_call): Remove __mf_init call.
13058         (mudflap_finish_file): Emit call to __mf_init here.  Emit a call to
13059         to pass "-ignore-reads" option to libmudflap if needed.
13060
13061 2004-07-20  John David Anglin  <dava.anglin@nrc-cnrc.gc.ca>
13062
13063         PR c++/14607
13064         * config/pa/pa-hpux10.h (SUPPORTS_ONE_ONLY): Define.
13065         (MAKE_DECL_ONE_ONLY): Undefine.
13066         * pa-protos.h (som_text_section_asm_op, one_only_readonly_data_section,
13067         readonly_data, one_only_data_section, forget_section): New prototypes.
13068         * pa.c (pa_init_machine_status, som_text_section_asm_op): New
13069         functions.
13070         (pa_select_section): Add one-only (COMDAT) support.
13071         * pa.h (struct machine_function): Define.
13072         * som.h (ASM_OUTPUT_FUNCTION_PREFIX): Delete.
13073         (TEXT_SECTION_ASM_OP): Call som_text_section_asm_op.
13074         (DEFAULT_TEXT_SECTION_ASM_OP, NEW_TEXT_SECTION_ASM_OP,
13075         ONE_ONLY_TEXT_SECTION_ASM_OP, ONE_ONLY_READONLY_DATA_SECTION_ASM_OP,
13076         ONE_ONLY_DATA_SECTION_ASM_OP): New defines.
13077         (EXTRA_SECTIONS): Add in_one_only_readonly_data and in_one_only_data.
13078         (EXTRA_SECTION_FUNCTIONS): Rework to use individual function macros.
13079         (READONLY_DATA_FUNCTION, ONE_ONLY_READONLY_DATA_SECTION_FUNCTION,
13080         ONE_ONLY_DATA_SECTION_FUNCTION, FORGET_SECTION_FUNCTION): New defines
13081         for EXTRA_SECTION_FUNCTIONS.
13082         * doc/install.texi: Update binutils requirements.
13083
13084 2004-07-20  Nathan Sidwell  <nathan@codesourcery.com>
13085
13086         * vec.h (VEC_T_length, VEC_T_index, VEC_T_iterate, VEC_T_truncate,
13087         VEC_T_replace, VEC_T_quick_insert, VEC_T_safe_insert,
13088         VEC_T_ordered_remove, VEC_T_unordered_remove): Use unsigned, not
13089         size_t.
13090         (struct VEC): Use unsigned for num and alloc.
13091         * vec.c (struct vec_prefix): Likewise.
13092         (vec_o_reserve): Adjust.
13093
13094         * dbxout.c (dbxout_type): Fix printf format.
13095
13096         * tree.h (binfo_member): Remove.
13097         * tree.c (binfo_member): Remove.
13098
13099 2004-07-20  Nathan Sidwell  <nathan@codesourcery.com>
13100
13101         * tree.h: Include vec.h
13102         (DEF_VEC_P(tree)): New type.
13103         (BINFO_BASE_BINFOS, BINFO_N_BASE_BINFOS, BINFO_BASE_BINFO): Adjust.
13104         (BINFO_BASE_APPEND, BINFO_BASE_ITERATE): New.
13105         (BINFO_LANG_SLOT): Remove.
13106         (BINFO_SUBVTT_INDEX, BINFO_VPTR_INDEX, BINFO_PRIMARY_BASE_OF): New.
13107         (struct tree_binfo): Turn base_binfos into a trailing
13108         VEC(tree). Add vtt_subvtt, vtt_vptr, primary fields.
13109         (binfo_lang_slots): Remove.
13110         * tree.c (binfo_lang_slots): Remove.
13111         (make_tree_binfo_stat): Take a base binfo count, not a
13112         lang slot count.  Adjust.
13113         * Makefile.in (TREE_H): Add vec.h
13114         * alias.c (record_component_aliases): Adjust BINFO access.
13115         * dbxout.c (dbxout_type): Likewise.
13116         * dwarf2out.c (gen_member_die): Likewise.
13117         * sdbout.c (sdbout_one_type): Likewise.
13118         * tree-dump.c (deque_and_dump): Likewise.
13119         * config/i386/i386.c (classify_argument,
13120         contains_128bit_aligned_vector_p): Likewise.
13121         * config/sh/symbian.c (symbian_export_vtable_and_rtti_p): Likewise.
13122         * doc/c-tree.texi (Classes): Update BINFO documentation.
13123
13124 2004-07-20  Steven Bosscher  <stevenb@suse.de>
13125
13126         * c-common.h (check_case_value): Remove prototype.
13127         (c_add_case_label): Adjust prototype.
13128         * c-common.c (check_case_value): Make static.
13129         (check_case_bounds): New function.
13130         (c_add_case_label): Use it.  Take new argument orig_type.
13131         * c-typeck.c (struct c_switch): New orig_type field.
13132         (c_start_case): Set it.
13133         (do_case): Pass it to c_add_case_label.
13134         * expr.c (expand_expr_real_1): Don't warn for out-of-bounds
13135         cases from here.  Add the labels in reverse order.
13136         * stmt.c (struct case_node): Adjust comment.  Remove balance field.
13137         (add_case_node): Return nothing, don't check for duplicate cases.
13138         Insert new case nodes in a list, not in an AVL tree.
13139         (expand_end_case_type): Don't turn a case tree into a case list.
13140         (case_tree2list): Remove.
13141         * tree.h (add_case_node): Adjust prototype.
13142
13143 2004-07-19  Paolo Bonzini  <bonzini@gnu.org>
13144
13145         * genattr.c (struct range, struct function_unit,
13146         write_units, extend_range, init_range): Remove them.
13147         (main): Remove code dealing with DEFINE_FUNCTION_UNIT.
13148         Output "#define INSN_SCHEDULING" here.
13149         * genattrtab.c (struct range, struct function_unit_op,
13150         struct function_unit, struct dimension, enum operator,
13151         operate_exp, expand_units, simplify_knowing,
13152         encode_units_mask, simplify_by_exploding,
13153         find_and_mark_used_attributes, unmark_used_attributes,
13154         add_values_to_cover, increment_current_value,
13155         test_for_current_value, simplify_with_current_value,
13156         simplify_with_current_value_aux, gen_unit,
13157         write_unit_name, write_function_unit_info,
13158         write_complex_function, write_toplevel_expr,
13159         find_single_value, extend_range): Remove.
13160         (write_attr_get): Do not handle common_av->value
13161         being an FFS.
13162         (struct attr_desc): Remove func_units_p and blockage_p.
13163         (write_attr_valueq): Do not handle them.
13164         (find_attr): Do not clear them.
13165         (make_internal_attr): Do not initialize them.
13166         (main): Remove code dealing with DEFINE_FUNCTION_UNIT.
13167         * sched-vis.c (init_target_units, insn_print_units,
13168         init_block_visualization, print_block_visualization,
13169         visualize_scheduled_insns, visualize_no_unit,
13170         visualize_stall_cycles, visualize_alloc,
13171         visualize_free, target_units, get_visual_tbl_length,
13172         MAX_VISUAL_LINES, INSN_LEN, n_visual_lines,
13173         visual_tbl_line_length, visual_tbl, n_vis_no_unit,
13174         MAX_VISUAL_NO_UNIT, vis_no_unit): Remove.
13175         * haifa-sched.c (blockage_range, clear_units,
13176         schedule_unit, actual_hazard, potential_hazard,
13177         insn_unit, unit_last_insn, unit_tick,
13178         actual_hazard_this_instance, potential_hazard,
13179         schedule_unit, max_insn_queue_index_value): Remove.
13180         (MAX_INSN_QUEUE_INDEX): Removed, renamed throughout to
13181         max_insn_queue_index.
13182         * rtl.def (DEFINE_FUNCTION_UNIT): Remove.
13183         * doc/md.texi (Processor pipeline description): Remove
13184         references to old pipeline descriptions.
13185         (Automaton pipeline description): Merge with the above.
13186         (Old pipeline description, Comparison of the two descriptions):
13187         Remove.
13188
13189         * bt-load.c (migrate_btr_def): Remove references to
13190         use_pipeline_interface.
13191         * haifa-sched.c (insn_cost, schedule_insn,
13192         schedule_block, advance_one_cycle, sched_init,
13193         queue_to_ready, sched_finish): Likewise.
13194         * modulo-sched.c (sms_schedule, advance_one_cycle,
13195         ps_has_conflicts): Likewise.
13196         * sched-rgn.c (init_ready): Likewise.
13197         (debug_dependencies): Likewise, and remove an "if (1)".
13198         * target.h (use_dfa_pipeline_interface): Remove.
13199         * config/alpha/alpha.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
13200         * config/arc/arc.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
13201         * config/arm/arm.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
13202         * config/c4x/c4x.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
13203         * config/frv/frv.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
13204         * config/i386/i386.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
13205         * config/ia64/ia64.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
13206         * config/iq2000/iq2000.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
13207         * config/m32r/m32r.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
13208         * config/mcore/mcore.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
13209         * config/mips/mips.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
13210         * config/pa/pa.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
13211         * config/rs6000/rs6000.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
13212         * config/s390/s390.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
13213         * config/sh/sh.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
13214         * config/sparc/sparc.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
13215         * config/v850/v850.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
13216         * config/xtensa/xtensa.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
13217         * doc/tm.texi (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
13218
13219 2004-07-19  Roger Sayle  <roger@eyesopen.com>
13220
13221         * rtlanal.c (reg_set_p): Add check for regs_invalidated_by_call.
13222
13223 2004-07-19  Jeff Law  <law@redhat.com>
13224
13225         * tree-ssa-dom.c (single_incoming_edge_ignoring_loop_edges): New.
13226         (get_eq_expr_value): Use it.  Simplify slightly.
13227
13228 2004-07-19  Maciej W. Rozycki  <macro@linux-mips.org>
13229
13230         * config/mips/mips.md (mulsidi3_32bit_r4000): Fix the clobber list.
13231         (umulsidi3_32bit_r4000): Likewise.
13232
13233 2004-07-19  Nathan Sidwell  <nathan@codesourcery.com>
13234
13235         * vec.h: Propagate location information properly.
13236         (VEC_T_iterate): Add result pointer parameter.
13237         (VEC_T_space): New.
13238         (VEC_T_reserve): Use it.
13239
13240 2004-07-19  Daniel Jacobowitz  <dan@debian.org>
13241
13242         * Makefile.in (c-format.o): Depend on c-format.h.
13243         * c-format.h: New file.
13244         (struct format_char_info): Add CHAIN member.
13245         * c-format.c: Move some types and constants to c-format.h.
13246         (format_type_error): Set to -1.
13247         (struct function_format_info): Use an int for format_type.
13248         (decode_format_type): Return an int.  Return format_type_error
13249         on error.
13250         (print_char_table, asm_fprintf_char_table, gcc_diag_char_table)
13251         (gcc_diag_char_table, gcc_cdiag_char_table, gcc_cxxdiag_char_table)
13252         (scan_char_table, time_char_table, monetary_char_table): Initialize
13253         CHAIN to NULL.
13254         (n_format_types): New variable.
13255         (check_format_info_main): Handle CHAIN in format_char_info.
13256         (handle_format_attribute): Handle TARGET_FORMAT_TYPES and
13257         TARGET_N_FORMAT_TYPES.
13258         * config.gcc (i[34567]86-*-solaris2*, sparc64-*-solaris2*)
13259         (sparc-*-solaris2*): Include config/t-sol2 and config/sol2-c.c.
13260         * config/sol2-c.c: New file.
13261         * config/t-sol2: New file.
13262         * config/sol2.h (TARGET_N_FORMAT_TYPES, TARGET_FORMAT_TYPES): Define.
13263         * config/sparc/elf.h, config/sparc/sp64-elf.h: Undefine
13264         TARGET_N_FORMAT_TYPES and TARGET_FORMAT_TYPES.
13265
13266         * doc/extend.texi (Target Format Checks): New section.
13267         (Function Attributes): Mention it.
13268         * doc/invoke.texi: Mention target format checks.
13269         * doc/sourcebuild.texi: Mention target format checks.
13270         * dc/tm.texi (Misc): Document TARGET_N_FORMAT_TYPES and
13271         TARGET_FORMAT_TYPES.
13272
13273 2004-07-19  Andreas Krebbel  <krebbel1@de.ibm.com>
13274
13275         * config/s390/s390-protos.h (s390_return_address_offset): Prototype
13276         added.
13277         * config/s390/s390.c (regclass_map initializer): Register 35 added to
13278         ADDR_REGS.
13279         (load_multiple_operation, store_multiple_operation): Removed
13280         pointless sanity check.
13281         (s390_decompose_address): Added check for return_address_pointer_rtx.
13282         (s390_return_addr_rtx): Use return_address_pointer_rtx for count == 0.
13283         (s390_return_address_offset): New function.
13284         * config/s390/s390.h (FIRST_PSEUDO_REGISTER): Increased to 36.
13285         (FRAME_REGNO_P): Added check for register 35.
13286         (FIXED_REGISTERS, CALL_USED_REGISTERS, CALL_REALLY_USED_REGISTERS,
13287         REG_ALLOC_ORDER): Appended entry for register 35.
13288         (REG_CLASS_CONTENTS): Adjusted class masks for register 35.
13289         (EH_RETURN_HANDLER_RTX): Use return_address_pointer_rtx.
13290         (RETURN_ADDRESS_POINTER_REGNUM): New macro.
13291         (ELIMINABLE_REGS, INITIAL_ELIMINATION_OFFSET): Return address pointer
13292         is eliminable using stack pointer or hard frame pointer.
13293         (REGISTER_NAMES): Added name for register 35.
13294         * config/s390/s390.md ("load_multiple", "store_multiple"): Removed
13295         pointless sanity check.
13296
13297 2004-07-19  Roger Sayle  <roger@eyesopen.com>
13298
13299         * fold-const.c (tree_expr_nonzero_p): Add function prototype.
13300         (fold) <EQ_EXPR>: Move tree_expr_nonzero_p optimization from
13301         fold_relational_const to here, i.e. "(x | 5) == 0" -> false.
13302         (fold) (UNEQ_EXPR>: Add optimizations for unordered comparisons
13303         of the form "x op x" where op is UNLE, UNGE, UNEQ or LTGT.
13304         (fold_relational_const): Tidy up handling of floating point
13305         comparisons by calling real_compare.  Remove tree_expr_nonzero_p
13306         transformation; fold_relational_const assumes constant operands.
13307
13308 2004-07-19  Gabriel Dos Reis  <gdr@integrable-solution.net>
13309
13310         * doc/sourcebuild.texi: Add libcpp, now that CPP has its own
13311         directory.
13312
13313 2004-07-19  Joseph S. Myers  <jsm@polyomino.org.uk>
13314
13315         * c-tree.h (struct c_expr): Define.
13316         (C_SET_EXP_ORIGINAL_CODE): Remove.
13317         (parser_build_binary_op, build_compound_expr): Update prototypes.
13318         * c-parse.in (%union): Add exprtype.
13319         (FUNC_NAME): Mark as ttype.
13320         (expr, expr_no_commas, cast_expr, unary_expr, primary): Change to
13321         exprtype.
13322         (expr): Update.  Define directly in terms of expr_no_commas
13323         instead of using nonnull_exprlist.
13324         (nonnull_exprlist, unary_expr, cast_expr, expr_no_commas, primary,
13325         offsetof_member_designator, typespec_nonreserved_nonattr, init,
13326         initval, designator, component_declarator,
13327         component_notype_declarator, enumerator, array_declarator,
13328         condition, exexpr, switch_statement, stmt_nocomp, stmt,
13329         nonnull_asm_operands, ivar_declarator, receiver): Update.  Don't
13330         set C_EXP_ORIGINAL_CODE.  Use TREE_NO_WARNING for assignments
13331         where appropriate.
13332         * c-common.h (C_EXP_ORIGINAL_CODE): Remove.
13333         * c-common.c (c_common_truthvalue_conversion): Don't check
13334         C_EXP_ORIGINAL_CODE.
13335         * c-typeck.c (parser_build_binary_op): Use c_expr structures.
13336         Don't use C_EXP_ORIGINAL_CODE.
13337         (default_conversion, default_function_array_conversion): Don't use
13338         C_EXP_ORIGINAL_CODE.  Preserve TREE_NO_WARNING.
13339         (internal_build_compound_expr): Merge into build_compound_expr.
13340         (build_compound_expr): Take two operands instead of a TREE_LIST.
13341         * objc/objc-act.c (get_super_receiver): Update calls to
13342         build_compound_expr.
13343
13344 2004-07-18  Paolo Bonzini  <bonzini@gnu.org>
13345
13346         * config/sh/sh.c (sh_use_dfa_interface): Remove.
13347         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Set to
13348         hook_int_void_1.
13349         * config/sh/sh.md: Extract pipeline descriptions
13350         into separate files.
13351         * config/sh/sh1.md: New file, extracted from sh.md.
13352         * config/sh/sh4.md: New file, extracted from sh.md.
13353         * config/sh/shmedia.md: New file, extracted from sh.md
13354         and rewritten using new-style pipeline description.
13355
13356 2004-07-18  Zack Weinberg  <zack@codesourcery.com>
13357
13358         * config/pa/pa.md: Delete the two remaining define_peephole
13359         patterns.
13360
13361 2004-07-18  Steven Bosscher  <stevenb@suse.de>
13362             Joseph S. Myers  <jsm@polyomino.org.uk>
13363
13364         * c-common.c (c_common_truthvalue_conversion): Don't warn if
13365         TREE_NO_WARNING is set.
13366
13367 2004-07-18  Roger Sayle  <roger@eyesopen.com>
13368
13369         * builtins.c (simplify_builtin_memcmp, simplify_builtin_strcmp,
13370         simplify_builtin_strncmp): Delete.
13371         (fold_builtin_memcmp, fold_builtin_strcmp, fold_builtin_strncmp):
13372         Change argument to accept an arglist instead of an "exp".  Assume
13373         that the return type is always integer_type_node.  Copy missing
13374         transformations from their now obsolete simplify_builtin_*
13375         equivalents.
13376         (fold_builtin_1): Pass arglist instead of exp to fold_builtin_memcmp,
13377         fold_builtin_strcmp and fold_builtin_strncmp.
13378         (simplify_builtin): Call fold_builtin_memcmp, fold_builtin_strcmp
13379         and fold_builtin_strncmp instead of simplify_builtin_memcmp,
13380         simplify_builtin_strcmp and simplify_builtin_strncmp respectively.
13381
13382 2004-07-18  Daniel Jacobowitz  <dan@debian.org>
13383
13384         * Makefile.in (tree-alias-common.o): Update dependencies.
13385
13386 2004-07-17  Sebastian Pop  <pop@cri.ensmp.fr>
13387
13388         * cfgloop.c (flow_loop_nested_p): Fix comment.
13389
13390 2004-07-17  Jason Merrill  <jason@redhat.com>
13391
13392         PR c++/16115
13393         * stor-layout.c (relayout_decl): New fn.
13394         * tree.h: Declare it.
13395         (DECL_BY_REFERENCE): New macro.
13396
13397 2004-07-17  Eric Botcazou  <ebotcazou@act-europe.fr>
13398
13399         * libgcc2.c (__enable_execute_stack): New symbol.
13400         * libgcc-std.ver (GCC_3.4.2): New version.  Inherit from GCC_3.4
13401         and declare __enable_execute_stack.
13402         * mklibgcc.in (lib2funcs): Add _enable_execute_stack.
13403         * config/netbsd.h (NETBSD_ENABLE_EXECUTE_STACK): ANSIfy.
13404         * config/sol2.h (TRANSFER_FROM_TRAMPOLINE): Rename into
13405         ENABLE_EXECUTE_STACK.
13406         * config/alpha/alpha.c (alpha_initialize_trampoline): Conditionalize
13407         on ENABLE_EXECUTE_STACK instead of TRANSFER_FROM_TRAMPOLINE.
13408         * config/alpha/netbsd.h (TRANSFER_FROM_TRAMPOLINE): Rename into
13409         ENABLE_EXECUTE_STACK.
13410         * config/alpha/osf.h (TRANSFER_FROM_TRAMPOLINE): Likewise.
13411         * config/i386/i386.c (x86_initialize_trampoline): Conditionalize
13412         on ENABLE_EXECUTE_STACK instead of TRANSFER_FROM_TRAMPOLINE.
13413         * config/i386/netbsd-elf.h (TRANSFER_FROM_TRAMPOLINE): Rename into
13414         ENABLE_EXECUTE_STACK.
13415         * config/i386/netbsd.h (TRANSFER_FROM_TRAMPOLINE): Likewise.
13416         * config/i386/netbsd64.h (TRANSFER_FROM_TRAMPOLINE): Likewise.
13417         * config/sparc/freebsd.h (TRANSFER_FROM_TRAMPOLINE): Likewise.
13418         * config/sparc/netbsd-elf.h (TRANSFER_FROM_TRAMPOLINE): Likewise.
13419         * config/sparc/sparc.c (sparc_initialize_trampoline): Conditionalize
13420         on ENABLE_EXECUTE_STACK instead of TRANSFER_FROM_TRAMPOLINE.
13421         (sparc64_initialize_trampoline): Likewise.
13422         * doc/tm.texi (trampolines): Add ENABLE_EXECUTE_STACK macro.
13423
13424 2004-07-17  Joseph S. Myers  <jsm@polyomino.org.uk>
13425
13426         * langhooks.h (builtin_function): New langhook.
13427         * langhooks-def.h (LANG_HOOKS_BUILTIN_FUNCTION): New.
13428         (LANG_HOOKS_INITIALIZER): Update.
13429         * tree.h (builtin_function): Remove.
13430         * doc/tm.texi: Update.
13431         * c-tree.h (builtin_function): Declare.
13432         * c-common.c, config/alpha/alpha.c, config/arm/arm.c,
13433         config/c4x/c4x.c, config/frv/frv.c, config/i386/i386.c,
13434         config/ia64/ia64.c, config/iq2000/iq2000.c,
13435         config/rs6000/rs6000.c, config/s390/s390.c, config/sh/sh.c,
13436         config/stormy16/stormy16.c: All callers of builtin_function
13437         changed.
13438
13439 2004-07-17  Andrew Pinski  <pinskia@physics.uc.edu>
13440
13441         PR target/16556
13442         * config/i386/darwin.h (UNLIKELY_EXECUTED_TEXT_SECTION_NAME):
13443         Remove white space after the backslash.
13444
13445 2004-07-17  Eric Botcazou  <ebotcazou@libertysurf.fr>
13446
13447         PR rtl-optimization/16294
13448         * resource.c (return_insn_p): New predicate.
13449         (mark_target_live_regs): Use it.  Special-case return insns.
13450         (init_resource_info): Use it.  Don't scan the epilogue past
13451         a return.
13452
13453 2004-07-17  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
13454
13455         * loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Do not
13456         destroy dominance information.
13457         * passes.c (rest_of_handle_loop2):  Free dominance information.
13458         * tree-cfg.c (cleanup_tree_cfg): Remove unreachable blocks before
13459         jump threading.
13460         (thread_jumps): Update dominance information and remove unreachable
13461         blocks.
13462         * tree-ssa-phiopt.c (replace_phi_with_stmt):  Update dominance
13463         information and remove the unreachable block.
13464
13465 2004-07-17  Graham Stott  <graham.stott@btinternet.com>
13466
13467         * emit-rtl.c (reorder_insns): Don't set BB for a BARRIER insn.
13468
13469 2004-07-17  Toon Moene  <toon@moene.indiv.nluug.nl>
13470
13471         * doc/sourcebuild.texi: Remove libf2c entry.
13472
13473 2004-07-17  Paolo Bonzini  <bonzini@gnu.org>
13474
13475         * config/i386/i386.md (movv16qi_internal): Fix typo.
13476
13477 2004-07-17  Steven Bosscher  <stevenb@suse.de>
13478
13479         * final.c (final_scan_insn): Fix broken commit from previous
13480         patch.
13481
13482 2004-07-17  Joseph S. Myers  <jsm@polyomino.org.uk>
13483
13484         * c-typeck.c (parser_build_binary_op): Condition warnings for
13485         X<=Y<=Z on -Wparentheses instead of -Wextra.
13486         * doc/invoke.texi: Update.  Document that most of -Wparentheses is
13487         supported for C only.
13488
13489 2004-07-17  Steven Bosscher  <stevenb@suse.de>
13490
13491         * cfgcleanup.c (try_simplify_condjump): Don't remove line
13492         notes to avoid unreachable code warnings.
13493         * toplev.c (backend_init): Don't emit line notes for
13494         unreachable code warnings.
13495
13496         * combine.c (distribute_notes): Don't distribute a
13497         REG_VTABLE_REF note.
13498         * final.c (final_scan_insn): Don't handle it.
13499         * rtl.c (reg_note_name): Remove it.
13500         * rtl.h (enum reg_node): Dito.
13501
13502         * emit-rtl.c (force_line_numbers, restore_line_number_status):
13503         Remove.
13504         * rtl.h (force_line_numbers, restore_line_number_status):
13505         Remove prototypes.
13506
13507         * stmt.c (using_eh_for_cleanups_p, using_eh_for_cleanups): Move...
13508         * tree-eh.c (using_eh_for_cleanups_p): ...here.  Make static.
13509         (using_eh_for_cleanups): Also moved here.
13510
13511         * expr.c (expand_expr_real_1) <CASE_LABEL_EXPR>: Die if we see one.
13512         <SWITCH_EXPR>: Die if we have a non-NULL SWITCH_BODY.  Update calls
13513         to expand_start_case and add_case_node.
13514         * stmt.c (struct nesting): Cleanup unused fields condition_code,
13515         last_unconditional_cleanup, nominal_type, printname, and
13516         line_number_status.
13517         (struct fixup_goto): Remove.
13518         (struct stmt_status): Remove x_goto_fixup_chain field.
13519         (goto_fixup_chain): Remove.
13520         (strip_default_case_nodes, group_case_nodes, emit_jump_if_reachable,
13521         pushcase, pushcase_range): Remove.
13522         (expand_start_bindings_and_block): Don't set unused fields in
13523         the nesting stack.
13524         (expand_start_case, add_case_node): Cleanup unused formal arguments.
13525         (expand_end_case_type): Don't simplify the case-list.  Use emit_jump
13526         instead of emit_jump_if_reachable.
13527         (emit_case_nodes): Likewise.
13528         * tree-cfg.c (group_case_labels, cleanup_dead_labels): No longer
13529         static.
13530         (update_eh_label): Work around left-over exception handing regions.
13531         * tree-flow.h (group_case_labels, cleanup_dead_labels): Add protos.
13532         * tree-optimize.c (execute_cleanup_cfg_post_optimizing): New function.
13533         (pass_cleanup_cfg_post_optimizing): New pass.
13534         (init_tree_optimization_passes): Run the new pass after all
13535         optimizations.
13536         * tree.h (pushcase, pushcase_range): Remove prototypes.
13537         (expand_start_case, add_case_node): Update prototypes.
13538
13539 2004-07-16  Krister Walfridsson  <cato@df.lth.se>
13540
13541         * tree-inline.c (estimate_num_insns_1): Correct increase of count.
13542
13543 2004-07-16  Richard Henderson  <rth@redhat.com>
13544
13545         * builtins.c (std_expand_builtin_va_arg): Remove.
13546         (expand_builtin_va_arg): Remove.
13547         * expr.h: Don't declare them.
13548         * gimplify.c (mark_decls_volatile_r): Remove.
13549         (copy_if_shared_r): Don't call it.
13550         * target-def.h: Don't test EXPAND_BUILTIN_VA_ARG.
13551         * expr.c (expand_expr_real_1): Don't handle VA_ARG_EXPR.
13552         * gimple-low.c (lower_stmt): Likewise.
13553         * tree-cfg.c (cfg_remove_useless_stmts_bb): Likewise.
13554         * tree-gimple.c (is_gimple_tmp_rhs, is_gimple_stmt): Likewise.
13555         * tree-ssa-operands.c (get_expr_operands): Likewise.
13556         * doc/tm.texi (TARGET_GIMPLIFY_VA_ARG_EXPR): Don't mention
13557         EXPAND_BUILTIN_VA_ARG.
13558         * system.h (EXPAND_BUILTIN_VA_ARG): Poison.
13559         * config/alpha/alpha.h, config/alpha/unicosmk.h, config/i386/i386.h,
13560         config/ia64/ia64.h, config/rs6000/rs6000.h, config/s390/s390.h,
13561         config/sparc/sparc.h (EXPAND_BUILTIN_VA_ARG): Remove.
13562
13563 2004-07-16  Daniel Berlin  <dberlin@dberlin.org>
13564
13565         * tree-ssa-pre.c (insert_aux): Break out if we hit
13566         a critical edge.
13567
13568 2004-07-16  Richard Henderson  <rth@redhat.com>
13569
13570         * basic-block.h (remove_fake_exit_edges): Declare.
13571         * cfganal.c (remove_fake_predecessors): Rename from
13572         remove_fake_successors; iterate over predecessors.
13573         (remove_fake_exit_edges): New.
13574         * cfgcleanup.c (try_optimize_cfg): Use it.
13575         * gcse.c (one_pre_gcse_pass, store_motion): Likewise.
13576         * predict.c (estimate_probability): Likewise.
13577         (tree_estimate_probability, note_prediction_to_br_prob): Likewise.
13578         * tree-cfg.c (make_edges): Likewise.
13579         * tree-ssa-pre.c (fini_pre): Likewise.
13580         * profile.c (instrument_edges): Don't remove_fake_edges.
13581         (branch_prob): Do it earlier here.
13582
13583 2004-07-16  Richard Henderson  <rth@redhat.com>
13584
13585         * tree-ssa-operands.c (get_expr_operands): Fix 2004-07-15
13586         switchification wrt CONSTRUCTOR.  Document the reason.
13587
13588 2004-07-16  Frank Ch. Eigler  <fche@redhat.com>
13589
13590         * tree-mudflap.c (mf_file_function_line_tree): Correct typo
13591         that prevented descriptive __mf_check source location strings.
13592
13593 2004-07-16  Richard Henderson  <rth@redhat.com>
13594
13595         * tree-def (WITH_SIZE_EXPR): New.
13596         * explow.c (expr_size, int_expr_size): Handle WITH_SIZE_EXPR.
13597         * expr.c (expand_expr_real_1): Likewise.
13598         * gimplify.c (maybe_with_size_expr): New.
13599         (gimplify_arg, gimplify_modify_expr): Use it.
13600         (gimplify_modify_expr_to_memcpy): Take size parameter.
13601         (gimplify_modify_expr_to_memset): Likewise.
13602         (gimplify_expr): Handle WITH_SIZE_EXPR.
13603         * tree-alias-common.c (find_func_aliases): Likewise.
13604         * tree-eh.c (tree_could_trap_p): Likewise.
13605         (tree_could_throw_p): Likewise.
13606         * tree-gimple.c (is_gimple_lvalue): Likewise.
13607         (get_call_expr_in): Likewise.
13608         * tree-inline.c (estimate_num_insns_1): Likewise.
13609         (expand_calls_inline): Likewise.
13610         * tree-nested.c (convert_call_expr): Likewise.
13611         * tree-pretty-print.c (dump_generic_node): Likewise.
13612         * tree-sra.c (sra_walk_expr): Likewise.
13613         * tree-ssa-alias.c (add_pointed_to_expr): Likewise.
13614         * tree-ssa-ccp.c (get_rhs, set_rhs): Likewise.
13615         * tree-ssa-operands.c (get_expr_operands): Likewise.
13616         * tree-tailcall.c (find_tail_calls): Likewise.
13617
13618         * calls.c (expand_call): Reset old_stack_allocated after
13619         calling emit_stack_restore.
13620
13621 2004-07-16  Richard Henderson  <rth@redhat.com>
13622
13623         * langhooks-def.h (LANG_HOOKS_TREE_INLINING_COPY_RES_DECL_FOR_INLINING,
13624         lhd_tree_inlining_copy_res_decl_for_inlining): Remove.
13625         * langhooks.c (lhd_tree_inlining_copy_res_decl_for_inlining): Remove.
13626         * langhooks.h (struct lang_hooks_for_tree_inlining): Remove
13627         copy_res_decl_for_inlining.
13628
13629         * tree-inline.c (declare_return_variable): New modify_dest argument.
13630         Use it as the return value, when possible or manditory.  Handle
13631         TREE_ADDRESSABLE types.
13632         (expand_call_inline): Extract MODIFY_EXPR lhs for call.  Simplify
13633         replacement of CALL_EXPR.
13634
13635 2004-07-16  Richard Henderson  <rth@redhat.com>
13636
13637         * tree-flow.h (struct var_ann_d): Remove has_hidden_use.
13638         * gimple-low.c (expand_var_p): Don't check it.
13639         * tree-ssa-alias.c (setup_pointers_and_addressables): Likewise.
13640         * tree-ssa-copyrename.c (rename_ssa_copies): Likewise.
13641         * tree-ssa-operands.c (add_stmt_operand): Likewise.
13642         * tree-dfa.c (find_hidden_use_vars, find_hidden_use_vars_r): Kill.
13643         (find_referenced_vars): Don't call them.
13644         * tree-flow-inline.h (has_hidden_use, set_has_hidden_use): Kill.
13645
13646 2004-07-16  Richard Henderson  <rth@redhat.com>
13647
13648         * function.c (pass_by_reference): True for all variable sized types.
13649
13650 2004-07-16  Sebastian Pop  <pop@cri.ensmp.fr>
13651
13652         * Makefile.in (tree-pretty-print.o): Depend on tree-chrec.h.
13653         * tree-pretty-print.c: Include tree-chrec.h.
13654         (dump_generic_node): Pretty print SCEV_KNOWN, SCEV_NOT_KNOWN
13655         and POLYNOMIAL_CHREC nodes.
13656
13657 2004-07-16  Steve Ellcey  <sje@cup.hp.com>
13658
13659         * builtins.c (expand_builtin_stpcpy): Do not create temporary
13660         reg with VOIDmode.
13661
13662 2004-07-16  Segher Boessenkool  <segher@kernel.crashing.org>
13663
13664         * config/rs6000/eabi.asm (__eabi_convert): Fix typo (cmpi vs. cmpwi).
13665
13666 2004-07-16  Andreas Krebbel  <krebbel1@de.ibm.com>
13667
13668         * config/s390/s390.md: Changed every occurence of BASE_REGISTER
13669         to BASE_REGNUM.
13670         * config/s390/s390.c: Likewise.
13671         * config/s390/s390.h: Likewise.
13672
13673 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
13674
13675         * config/mips/mips.md (addsi3, adddi3): Remove special handling
13676         of $sp adds.  Remove REGNO checks from mips16 patterns.
13677
13678 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
13679
13680         * config/mips/mips.md: Delete outdated comment.
13681
13682 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
13683
13684         * config/mips/mips.c (get_float_compare_codes): Delete.
13685         (mips_emit_compare): New function, mostly extracted from
13686         get_float_compare_codes and gen_conditional_branch.
13687         (gen_conditional_branch, gen_conditional_move): Use it.
13688
13689 2004-07-16  Segher Boessenkool  <segher@kernel.crashing.org>
13690
13691         * genautomata.c (add_vect): Speedup by using integers as
13692         bit-vectors for walking through the comb_vect and finding
13693         a match.
13694
13695 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
13696
13697         * config/mips/mips.c (mips_zero_if_equal): Only use XORs if the second
13698         operand is an uns_arith_operand; use subtraction otherwise.
13699         * config/mips/mips.md (cmpsi, cmpdi): Allow any nonmemory_operand,
13700         not just arith_operands.
13701
13702 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
13703
13704         * config/mips/mips-protos.h (gen_int_relational): Delete.
13705         (mips_emit_scc): Declare.
13706         * config/mips/mips.c (internal_test): Delete.
13707         (sle_operand, sleu_operand): New functions.
13708         (map_test_to_internal_test, gen_int_relational): Delete.
13709         (mips_emit_binary, mips_relational_operand_ok_p)
13710         (mips_emit_int_relational, mips_zero_if_equal)
13711         (mips_emit_scc): New functions.
13712         (gen_conditional_branch): Rework to use mips_emit_int_relational.
13713         * config/mips/mips.h (PREDICATE_CODES): Add sle_operand and
13714         sleu_operand.
13715         * config/mips/mips.md (seq, sne, sgt, sge, slt, sle, sgtu, sgeu)
13716         (sltu, sleu): Use mips_emit_scc.
13717         (*sge_[sd]i, *sgeu_[sd]i): New patterns.
13718         (*sle_[sd]i, *sle_[sd]i_mips16): Use sle_operand.
13719         (*sleu_[sd]i, *sleu_[sd]i_mips16): Use sleu_operand.
13720
13721 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
13722
13723         * config/mips/mips.md (*sgt_di_mips16): Fix destination constraint.
13724
13725 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
13726
13727         * config/mips/mips.md (*seq_[sd]i): Renamed from seq_[sd]i_zero.
13728         (*sne_[sd]i): Likewise sne_[sd]i_zero.
13729         (*sgt_[sd]i): ...and sgt_[sd]i.
13730         (*slt_[sd]i): ...and slt_[sd]i.
13731         (*sgtu_[sd]i): ...and sgtu_[sd]i.
13732         (*sltu_[sd]i): ...and sltu_[sd]i.
13733         (*sleu_[sd]i): ...and sleu_[sd]i_const.
13734         Name previously unnamed mips16 patterns.  Formatting fixes.
13735
13736 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
13737
13738         * config/mips/mips.c (cmp_operands): Renamed from branch_cmp.
13739         (branch_type): Delete.
13740         (gen_conditional_branch, gen_conditional_move)
13741         (mips_gen_conditional_trap): Update after name change.  Get the
13742         comparison mode from cmp_operands[0].
13743         * config/mips/mips.h (cmp_type, branch_type): Delete.
13744         (cmp_operands): Renamed from branch_cmp.
13745         * config/mips/mips.md (cmpsi, cmpdi, cmpsf, cmpdf): Update after
13746         name change.  Don't set branch_type.
13747         (seq, sne, sgt, sge, slt, sle, sgtu, sgeu, sltu, sleu): Check the
13748         mode class of cmp_operands[0] rather than branch_type.  Update after
13749         name change.
13750
13751 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
13752
13753         * config/mips/mips.c (mips_rtx_costs): In mips16 code, set the cost
13754         of 0...255 to 0 when inside a SET.
13755
13756 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
13757
13758         * config/mips/mips.md: Remove mips16 define_peepholes.
13759
13760 2004-07-16  Daniel Berlin  <dberlin@dberlin.org>
13761
13762         * tree-ssa-pre.c (init_pre): Connect infinite loops to exit.
13763         (fini_pre): Remove fake edges.
13764
13765 2004-07-15  Richard Henderson  <rth@redhat.com>
13766
13767         * tree-ssa-operands.c (get_expr_operands): Use a switch.  Split out...
13768         (get_indirect_ref_operands, get_call_expr_operands): ... these.
13769
13770 2004-07-15  Nathan Sidwell  <nathan@codesourcery.com>
13771
13772         * vec.h (VEC_address): New function.
13773
13774 2004-07-14  Jason Merrill  <jason@redhat.com>
13775
13776         PR middle-end/15885
13777         * gimplify.c (gimplify_arg): New fn, split out from...
13778         (gimplify_call_expr): Here.  Special-case BUILT_IN_VA_START.
13779
13780 2004-07-15  Roman Zippel  <zippel@linux-m68k.org>
13781
13782         * config/m68k/m68k.c (output_move_qimode): Abort on an attempt to
13783         generate code which is generated by pushqi1 now
13784         * config/m68k/m68k.h (MOVE_BY_PIECES_P): Remove.
13785
13786 2004-07-15  Roman Zippel  <zippel@linux-m68k.org>
13787
13788         * combine.c (simplify_set): match the mode of the constant 0 with
13789         the tested operand to match the compare behaviour and the
13790         simplify_relational_operation() expectation.
13791
13792 2004-07-15  Aldy Hernandez  <aldyh@redhat.com>
13793
13794         * config/rs6000/rs6000.md ("bunordered"): Disable for e500.
13795         ("bordered"): Same.
13796
13797 2004-07-15  Aldy Hernandez  <aldyh@redhat.com>
13798
13799         * config/rs6000/rs6000.md ("*cceq_ior_compare"): Allow
13800         unconditionally.
13801         * config/rs6000/spe.md ("e500_cceq_ior_compare"): Remove.
13802
13803 2004-07-15  Richard Sandiford  <rsandifo@redhat.com>
13804
13805         * config/mips/mips.c (mips_adjust_insn_length): Fix handling of
13806         calls in mips16 code.
13807
13808 2004-07-15  Richard Sandiford  <rsandifo@redhat.com>
13809
13810         * config/mips/mips.md: In the mips16 li/neg splitter, use SImode for
13811         the destination of the li as well as for the neg.
13812
13813 2004-07-15  Frank Ch. Eigler  <fche@redhat.com>
13814
13815         g++/15861
13816         * cgraphunit.c (cgraph_build_static_cdtor): Add priority argument.
13817         * cgraph.h: Update declaration.
13818         * c-decl.c (build_cdtor): Update call with default priority.
13819         * coverage.c (create_coverage): Ditto.
13820         * tree-mudflap.c (mf_init_fndecl): New tree.
13821         (mudflap_init): Set it.
13822         (mudflap_register_call): Arrange to call __mf_init before the first
13823         __mf_register call.
13824         (mudflap_finish_file): Mark the mudflap static initializer as extra
13825         high priority, to beat all C++ static constructors.
13826
13827 2004-07-15  Jeff Law  <law@redhat.com>
13828
13829         * loop.c (check_insn_for_givs): Restore check for code labels that was
13830         accidentally deleted by a recent checkin.
13831
13832 2004-07-15  Nathan Sidwell  <nathan@codesourcery.com>
13833
13834         * vec.h (VEC_T_truncate): Allow truncation of an empty vector.
13835         (VEC_T_quick_insert, VEC_T_ordered_remove): Fix sizeof(T) thinko.
13836
13837 2004-07-14  Richard Henderson  <rth@redhat.com>
13838
13839         * print-tree.c (print_node): Fix casts last change.
13840
13841 2004-07-15  Paul Brook  <paul@codesourcery.com>
13842
13843         * dwarf2out.c (dwarf2out_begin_prologue): Rename IA64_UNWIND_INFO
13844         to TARGET_UNWIND_INFO.
13845         * except.c (output_function_exception_table): Ditto.
13846         * except.h: Ditto.
13847         * opts.c (decode_options): Ditto.
13848         * passes.c (rest_of_handle_final): Ditto.
13849         * final.c (final_start_function): Ditto.
13850         (final_scan_insn, final_scan_insn): Replace IA64_UNWIND_EMIT with
13851         target hook.
13852         * targhooks.h (default_unwind_emit): Declare.
13853         * targhooks.c (default_unwind_emit): New function.
13854         * target-def.h: Define and use TARGET_UNWIND_EMIT.
13855         * target.h (struct gcc_target): Add unwind_emit.
13856         * config/ia64/ia64.c (TARGET_UNWIND_EMIT): Define.
13857         * config/ia64/ia64.h: Rename IA64_UNWIND_INFO to TARGET_UNWIND_INFO.
13858         Remove IA64_UNWIND_EMIT.
13859         * doc/tm.texi: Document TARGET_UNWIND_EMIT and TARGET_UNWIND_INFO.
13860
13861 2004-07-14  Richard Henderson  <rth@redhat.com>
13862
13863         * print-tree.c (print_node): Handle SSA_NAME.
13864
13865 2004-07-14  James E Wilson  <wilson@specifixinc.com>
13866
13867         PR target/16325
13868         * config/mips/mips.h (STARTING_FRAME_OFFSET): When flag_profile_value
13869         and ! TARGET_64BIT, include REG_PARM_STACK_SPACE.
13870
13871 2004-07-15  Jakub Jelinek  <jakub@redhat.com>
13872
13873         * expr.c (expand_assignment): Reenable bitfield += optimizations.
13874         Use alias set 0 for memory, do proper mode calculations and adjust
13875         address for memories.
13876
13877 2004-07-14  Per Bothner  <per@bothner.com>
13878
13879         * input.h:  If USE_MAPPED_LOCATION, define separate expanded_location
13880         structure with extra column field.
13881         * tree.c (expand_location):  Also fill in column field.
13882         * gengtype-lex.l:  Ignore expanded_location typedef, sinze gengtype
13883         gets confused by the two conditionally-compiled definitions.
13884
13885 2004-07-14  Eric Christopher  <echristo@redhat.com>
13886
13887         * calls.c (expand_call): Fix typo in comment.
13888
13889 2004-07-14  Steve Ellcey  <sje@cup.hp.com>
13890
13891         * config/ia64/ia64.c (ia64_expand_compare): Allow ORDERED
13892         comparision of TFmode.
13893
13894 2004-07-14  Richard Henderson  <rth@redhat.com>
13895
13896         * config/alpha/alpha.c (alpha_gimplify_va_arg_1): Move indirect ...
13897         (alpha_gimplify_va_arg): ... handling here.  Use pass_by_reference.
13898         * config/c4x/c4x.c (c4x_gimplify_va_arg_expr): Use pass_by_reference.
13899         * config/i386/i386.c (ix86_gimplify_va_arg): Likewise.
13900         * config/i860/i860.c (i860_gimplify_va_arg_expr): Likewise.
13901         * config/ia64/ia64.c (ia64_gimplify_va_arg): Likewise.
13902         * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Likewise.
13903         * config/sh/sh.c (sh_gimplify_va_arg_expr): Likewise.
13904         * config/xtensa/xtensa.c (xtensa_gimplify_va_arg_expr): Likewise.
13905
13906 2004-07-14  Mike Stump  <mrs@apple.com>
13907
13908         * config/darwin.h (WINT_TYPE): Define to be int to match
13909         system header files.
13910
13911 2004-07-14  Bob Wilson  <bob.wilson@acm.org>
13912
13913         * config/xtensa/xtensa.c (function_arg_advance): Check for args
13914         that must be passed in the stack.
13915         (xtensa_gimplify_va_arg_expr): Skip special-case padding for small
13916         arguments if the size is not a constant.
13917
13918 2004-07-14  Per Bothner  <per@bothner.com>
13919
13920         * c-typeck.c (emit_side_effect_warnings):  Use EXPR_HAS_LOCATION
13921         instead of EXPR_LOCUS in a boolean context, which is always true
13922         if --enable-mapped-location.
13923         * stmt.c (warn_if_unused_value):  Likewise.  Also use EXPR_LOCATION.
13924
13925 2004-07-14  Richard Henderson  <rth@redhat.com>
13926
13927         * dominance.c (struct dom_info): Add fake_exit_edge.
13928         (init_dom_info): Allocate it.
13929         (free_dom_info): Free it.
13930         (calc_dfs_tree): Set it.  Handle noreturn and infinite loops
13931         in two passes.
13932         (calc_idoms): Honor fake_exit_edge.
13933
13934 2004-07-13  Jason Merrill  <jason@redhat.com>
13935
13936         * tree-gimple.c (is_gimple_reg_rhs, is_gimple_mem_rhs): New fns.
13937         (rhs_test_for): New fn.
13938         (is_gimple_tmp_rhs): Rename from is_gimple_rhs.
13939         * tree-gimple.h: Declare them.
13940         * gimplify.c (gimplify_modify_expr): Use the new fns.
13941
13942 2004-07-14  Richard Henderson  <rth@redhat.com>
13943
13944         * config/arm/arm-protos.h (arm_va_arg): Remove.
13945         * config/arm/arm.c (arm_va_arg): Remove.
13946         (arm_init_expanders): Fix alignment of arg_pointer_rtx.
13947         * config/arm/arm.h (EXPAND_BUILTIN_VA_ARG): Remove.
13948
13949 2004-07-14  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
13950
13951         * pa.c (fix_range): New function to mark a range(s) of registers as
13952         fixed registers.
13953         (override_options): Call fix_range if the -mfixed-range option string
13954         is not empty.
13955         * pa.h (TARGET_OPTIONS): Add -mfixed-range option.
13956         * doc/invoke.texi (-mfixed-range): Document new option.
13957
13958 2004-07-14  David Edelsohn  <edelsohn@gnu.org>
13959
13960         * config/rs6000/rs6000.c (function_arg_padding): Do not pad SFmode
13961         for TARGET_64BIT.
13962         (rs6000_gimplify_va_arg): Use size_int instead of build_int_2.
13963
13964 2004-07-14  Roger Sayle  <roger@eyesopen.com>
13965
13966         * expmed.c (expand_sdiv_pow2): New function to expand signed division
13967         by a positive power of two, split out from expand_divmod.  Provide
13968         an alternate implementation when shifts are expensive.  Lower the
13969         threshold for using a branchless implementation to BRANCH_COST >= 2.
13970         (expand_divmod): Call expand_sdiv_pow2 for suitable divisions.
13971
13972 2004-07-14  Paolo Bonzini  <bonzini@gnu.org>
13973
13974         * tree-dfa.c (make_rename_temp): *Really* work just
13975         like create_tmp_var if called while outside SSA form.
13976
13977 2004-07-14  Ulrich Weigand  <uweigand@de.ibm.com>
13978
13979         * config/s390/s390.md ("udivsi3"): Ensure trap is generated
13980         for division by zero.
13981         ("umodsi3"): Likewise.
13982
13983 2004-07-14  Richard Sandiford  <rsandifo@redhat.com>
13984
13985         * config/mips/mips.c (mips_output_move): When generating mips16 code,
13986         force loads of negative constants to be split.
13987         * config/mips/mips.md (*movhi_mips16, *movqi_mips16): Likewise.
13988         Generalize SImode li/neg splitter to cope with other modes.
13989
13990 2004-07-14  Paolo Bonzini  <bonzini@gnu.org>
13991
13992         * expmed.c: Remove more references to QUEUED in the comments.
13993         * expr.c: Likewise.
13994
13995 2004-07-14  Richard Sandiford  <rsandifo@redhat.com>
13996
13997         Revert:
13998         2004-07-13  Richard Henderson  <rth@redhat.com>
13999         * config/mips/mips.c (mips_pass_by_reference): Handle mode sizes
14000         correctly.
14001
14002 2004-07-14  Paolo Bonzini  <bonzini@gnu.org>
14003
14004         * tree-dfa.c (make_rename_temp): Work just like
14005         create_tmp_var if called while outside SSA form.
14006
14007 2004-07-14  Paolo Bonzini  <bonzini@gnu.org>
14008
14009         * expr.c (enqueue_insn, finish_expr_for_function,
14010         protect_from_queue, queued_subexp_p, mark_queue,
14011         emit_insns_enqueued_after_mark, emit_queue,
14012         expand_increment): Remove.
14013         (store_constructor): Expand increment as an assignment.
14014         (expand_expr_real_1 <case PREINCREMENT_EXPR,
14015         case PREDECREMENT_EXPR, case POSTINCREMENT_EXPR,
14016         case POSTDECREMENT_EXPR>): Abort.
14017         * expr.h (QUEUED_VAR, QUEUED_INSN, QUEUED_COPY,
14018         QUEUED_BODY, QUEUED_NEXT, finish_expr_for_function,
14019         protect_from_queue, emit_queue, queued_subexp_p): Remove.
14020         * function.h (pending_chain, x_pending_chain): Remove.
14021         * rtl.def (QUEUED): Remove.
14022
14023         * emit-rtl.c (copy_insn_1, copy_most_rtx,
14024         set_used_flags, verify_rtx_sharing): Remove references to QUEUED.
14025         * genattrtab.c (attr_copy_rtx, clear_struct_flag,
14026         encode_units_mask): Likewise.
14027         * local-alloc.c (equiv_init_varies_p): Likewise.
14028         * rtl.c (copy_rtx): Likewise.
14029         * rtlanal.c (rtx_unstable_p, rtx_varies_p): Likewise.
14030         * simplify-rtx.c (simplify_gen_subreg): Likewise.
14031         * config/mn10300/mn10300.c (legitimate_pic_operand_p): Likewise.
14032
14033         * builtins.c (expand_builtin, expand_builtin_apply,
14034         expand_builtin_mathfn, expand_builtin_mathfn_2,
14035         expand_builtin_mathfn_3, expand_builtin_setjmp_setup):
14036         Remove calls to emit_queue and protect_from_queue.
14037         * calls.c (expand_call, precompute_arguments,
14038         precompute_register_parameters, rtx_for_function_call,
14039         store_one_arg): Likewise.
14040         * dojump.c (do_compare_and_jump, do_jump): Likewise.
14041         * explow.c (memory_address): Likewise.
14042         * expmed.c (clear_by_pieces_1, clear_storage,
14043         clear_storage_via_libcall, emit_group_load,
14044         emit_group_store, emit_store_flag,
14045         expand_expr_real_1, store_by_pieces,
14046         store_constructor, store_expr, try_casesi,
14047         try_tablejump): Likewise.
14048         * function.c (expand_pending_sizes): Likewise.
14049         * optabs.c (emit_cmp_and_jump_insns,
14050         emit_conditional_add, emit_conditional_move,
14051         expand_fix, expand_float, prepare_cmp_insn): Likewise.
14052         * stmt.c (emit_case_bit_tests,
14053         expand_asm_expr, expand_computed_goto,
14054         expand_decl_init, expand_end_case_type,
14055         expand_end_stmt_expr, expand_expr_stmt_value,
14056         expand_return, expand_start_case,
14057         optimize_tail_recursion): Likewise.
14058         * config/c4x/c4x.c (c4x_expand_builtin): Likewise.
14059         * config/s390/s390.c (s390_expand_cmpmem): Likewise.
14060
14061 2004-07-14  Ben Elliston  <bje@au.ibm.com>
14062
14063         * vec.h: Comment fix.
14064
14065 2004-07-13  Richard Henderson  <rth@redhat.com>
14066
14067         * target.h (struct gcc_target): Add calls.pass_by_reference.
14068         * target-def.h (TARGET_PASS_BY_REFERENCE): New.
14069         * function.c (pass_by_reference): Use the hook.
14070         * system.h (FUNCTION_ARG_PASS_BY_REFERENCE): Poison.
14071         * targhooks.c, targhooks.h (hook_pass_by_reference_false): New.
14072         (hook_pass_by_reference_must_pass_in_stack): New.
14073         * config/alpha/alpha.c (function_arg): Don't query pass-by-ref.
14074         (alpha_pass_by_reference): New.
14075         (TARGET_PASS_BY_REFERENCE): New.
14076         * config/alpha/alpha.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
14077         * config/arc/arc.c (arc_pass_by_reference): New.
14078         (TARGET_PASS_BY_REFERENCE): New.
14079         * config/arc/arc.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
14080         (FUNCTION_ARG_CALLEE_COPIES): True.
14081         * config/arm/arm-protos.h (arm_function_arg_pass_by_reference): Remove.
14082         * config/arm/arm.c (TARGET_PASS_BY_REFERENCE): New.
14083         (arm_pass_by_reference): Rename from arm_function_arg_pass_by_reference.
14084         * config/arm/arm.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
14085         * config/c4x/c4x.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
14086         * config/cris/cris.c (cris_pass_by_reference): New.
14087         (TARGET_PASS_BY_REFERENCE): New.
14088         * config/cris/cris.h (FUNCTION_ARG): Don't query pass-by-ref.
14089         (FUNCTION_INCOMING_ARG, FUNCTION_ARG_ADVANCE): Likewise.
14090         (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
14091         * config/fr30/fr30.c (TARGET_PASS_BY_REFERENCE): New.
14092         * config/fr30/fr30.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
14093         * config/frv/frv-protos.h (frv_function_arg_pass_by_reference): Kill.
14094         * config/frv/frv.c (TARGET_PASS_BY_REFERENCE): New.
14095         (frv_function_arg_pass_by_reference): Remove.
14096         * config/frv/frv.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
14097         * config/i386/i386-protos.h (function_arg_pass_by_reference): Remove.
14098         * config/i386/i386.c (TARGET_PASS_BY_REFERENCE): New.
14099         (ix86_pass_by_reference): Rename from function_arg_pass_by_reference.
14100         * config/i386/i386.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
14101         * config/ia64/ia64-protos.h (ia64_function_arg_pass_by_reference): Kill.
14102         * config/ia64/ia64.c (TARGET_PASS_BY_REFERENCE): New.
14103         (ia64_pass_by_reference): Rename from
14104         ia64_function_arg_pass_by_reference.
14105         * config/ia64/ia64.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
14106         * config/ip2k/ip2k.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
14107         * config/iq2000/iq2000-protos.h (function_arg_pass_by_reference): Kill.
14108         * config/iq2000/iq2000.c (TARGET_PASS_BY_REFERENCE): New.
14109         (iq2000_pass_by_reference): Rename from function_arg_pass_by_reference.
14110         * config/iq2000/iq2000.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
14111         (FUNCTION_ARG_CALLEE_COPIES): Don't reference pass-by-ref.
14112         * config/m32r/m32r-protos.h (m32r_pass_by_reference): Remove.
14113         * config/m32r/m32r.c (TARGET_PASS_BY_REFERENCE): New.
14114         (m32r_pass_by_reference): Adjust prototype.  Make static.
14115         Handle mode sizes correctly.
14116         * config/m32r/m32r.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
14117         * config/m68hc11/m68hc11-protos.h, config/m68hc11/m68hc11.c
14118         (m68hc11_function_arg_pass_by_reference): Remove.
14119         * config/m68hc11/m68hc11.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
14120         (FUNCTION_ARG_CALLEE_COPIES): Don't reference pass-by-ref.
14121         * config/mcore/mcore.c (TARGET_PASS_BY_REFERENCE): New.
14122         * config/mcore/mcore.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
14123         * config/mips/mips-protos.h (function_arg_pass_by_reference): Remove.
14124         * config/mips/mips.c (TARGET_PASS_BY_REFERENCE): New.
14125         (mips_va_arg): Use pass_by_reference.
14126         (mips_pass_by_reference): Rename from function_arg_pass_by_reference.
14127         Handle mode sizes correctly.
14128         * config/mips/mips.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
14129         (FUNCTION_ARG_CALLEE_COPIES): Don't reference pass-by-ref.
14130         * config/mmix/mmix-protos.h (mmix_function_arg_pass_by_reference): Kill.
14131         * config/mmix/mmix.c (TARGET_PASS_BY_REFERENCE): New.
14132         (mmix_pass_by_reference): Rename from
14133         mmix_function_arg_pass_by_reference.
14134         * config/mmix/mmix.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
14135         (FUNCTION_ARG_CALLEE_COPIES): True.
14136         * config/mn10300/mn10300.c (TARGET_PASS_BY_REFERENCE): New.
14137         (mn10300_pass_by_reference): New.
14138         * config/mn10300/mn10300.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
14139         (FUNCTION_ARG_CALLEE_COPIES): True.
14140         * config/pa/pa.c (pa_pass_by_reference): New.
14141         (TARGET_PASS_BY_REFERENCE): New.
14142         * config/pa/pa.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
14143         (FUNCTION_ARG_CALLEE_COPIES): True.
14144         * config/rs6000/rs6000-protos.h (function_arg_pass_by_reference): Kill.
14145         * config/rs6000/rs6000.c (TARGET_PASS_BY_REFERENCE): New.
14146         (rs6000_pass_by_reference): Rename from function_arg_pass_by_reference.
14147         * config/rs6000/rs6000.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
14148         * config/s390/s390-protos.h (s390_function_arg_pass_by_reference): Kill.
14149         * config/s390/s390.c (TARGET_PASS_BY_REFERENCE): New.
14150         (s390_pass_by_reference): Rename from
14151         s390_function_arg_pass_by_reference.
14152         (s390_function_arg_advance): Don't query pass-by-ref.
14153         (s390_function_arg): Likewise.
14154         (s390_gimplify_va_arg): Use pass_by_reference.
14155         (s390_call_saved_register_used): Likewise.
14156         * config/s390/s390.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
14157         * config/sh/sh.c (TARGET_PASS_BY_REFERENCE): New.
14158         (shcompact_byref, sh_pass_by_reference): New.
14159         * config/sh/sh.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
14160         (SHCOMPACT_BYREF): Remove.
14161         * config/sparc/sparc-protos.h (function_arg_pass_by_reference): Kill.
14162         * config/sparc/sparc.c (TARGET_PASS_BY_REFERENCE): New.
14163         (sparc_pass_by_reference): Rename from function_arg_pass_by_reference.
14164         (sparc_gimplify_va_arg): Use pass_by_reference.
14165         * config/sparc/sparc.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
14166         * config/stormy16/stormy16.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
14167         * config/v850/v850.c (TARGET_PASS_BY_REFERENCE): New.
14168         (v850_pass_by_reference): New.
14169         * config/v850/v850.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
14170         (FUNCTION_ARG_CALLEE_COPIES): True.
14171         * doc/tm.texi (TARGET_PASS_BY_REFERENCE): Update from
14172         FUNCTION_ARG_PASS_BY_REFERENCE docs.
14173
14174 2004-07-14  Richard Henderson  <rth@redhat.com>
14175             Richard Sandiford  <rsandifo@redhat.com>
14176
14177         * config/mips/mips-protos.h (mips_va_arg): Delete.
14178         * config/mips/mips.h (EXPAND_BUILTIN_VA_ARG): Delete.
14179         * config/mips/mips.c: Include tree-gimple.h.
14180         (TARGET_GIMPLIFY_VA_ARG_EXPR): Define.
14181         (mips_arg_info): Remove special handling of must_pass_in_stck args.
14182         (mips_gimplify_va_arg_expr): Rewritten from mips_va_arg.
14183         (function_arg_pass_by_reference): Return true if must_pass_in_stack.
14184
14185 2004-07-13  Bob Wilson  <bob.wilson@acm.org>
14186
14187         * config/xtensa/xtensa.c (xtensa_gimplify_va_arg_expr): Swap
14188         arguments for COND_EXPR in big-endian adjustment code.
14189
14190 2004-07-13  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
14191
14192         * pa-64.h (ARG_POINTER_REGNUM, STATIC_CHAIN_REGNUM): Delete.
14193         * pa.h (ARG_POINTER_REGNUM, STATIC_CHAIN_REGNUM): Modify for hppa64.
14194         * pa32-regs.h (REG_ALLOC_ORDER): Reorder caller-saved registers.
14195         * pa64-regs.h (REG_ALLOC_ORDER): Likewise.
14196
14197 2004-07-13  Diego Novillo  <dnovillo@redhat.com>
14198
14199         PR tree-optimization/16443
14200         * tree-ssa-alias.c: Add more description for
14201         CALL_CLOBBERED_VARS and ADDRESSABLE_VARS.
14202         * tree-ssa-operands.c (get_asm_expr_operands): Re-order the
14203         clobbering of call-clobbered and addressable variables.  If
14204         there are any before aliases have been computed, add them.
14205
14206 2004-07-13  Diego Novillo  <dnovillo@redhat.com>
14207
14208         * tree-optimize.c (execute_todo): Flush DUMP_FILE before
14209         verification.
14210
14211 2004-07-13  Ulrich Weigand  <uweigand@de.ibm.com>
14212
14213         * config/s390/s390.c (s390_gimplify_va_arg): Use size_int instead
14214         of build_int_2.  Convert both operands of PLUS_EXPR and MULT_EXPR
14215         to the same type.
14216
14217 2004-07-13  Per Bothner  <per@bothner.com>
14218
14219         * collect2.c (main):  Handle --no-demangle and --demangle flags.
14220
14221 2004-07-13  Sebastian Pop  <pop@cri.ensmp.fr>
14222
14223         * Makefile.in (OBJS-common): Add tree-data-ref.o.
14224         (tree-scalar-evolution.o): Add missing dependences on tree-pass.h flags.h.
14225         (tree-data-ref.o): New rule.
14226         * lambda.h: New file.
14227         * tree-data-ref.c: New file.
14228         * tree-data-ref.h: New file.
14229         * tree.c (int_cst_value, tree_fold_gcd): New functions.
14230         * tree.h (int_cst_value, tree_fold_gcd): Declared here.
14231
14232 2004-07-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
14233
14234         PR target/13926
14235         * config/sparc/sparc-protos.h (output_ubranch): New prototype.
14236         * config/sparc/sparc.c (output_ubranch): New function.
14237         * config/sparc/sparc.md (jump pattern): Use it.
14238
14239 2004-07-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
14240
14241         PR target/16494
14242         * config/sparc/sparc.c (output_cbranch): Properly guard
14243         the code handling far branches with TARGET_V9.
14244         * config/sparc/sparc.md (length attribute): Document the
14245         side-effect of having a length greater or equal to 3.
14246
14247 2004-07-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
14248             Lloyd Parkes  <lloyd@must-have-coffee.gen.nz>
14249
14250         PR target/15186
14251         * config/sparc/sol2-bi.h (LINK_ARCH64_SPEC_BASE): Pass
14252         /usr/ucblib/sparcv9 as -R path when -compat-bsd is specified.
14253
14254 2004-07-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
14255             Martin Sebor  <sebor@roguewave.com>
14256
14257         PR target/12602
14258         * doc/invoke.texi (SPARC options): Document -threads
14259         and -pthreads on Solaris.
14260
14261 2004-07-13  Richard Henderson  <rth@redhat.com>
14262
14263         * builtins.c (std_gimplify_va_arg_expr): Handle types passed
14264         by reference.
14265         (ind_gimplify_va_arg_expr): Remove.
14266         * tree.h (ind_gimplify_va_arg_expr): Remove.
14267         * config/pa/pa.c (hppa_gimplify_va_arg_expr): Don't use it.
14268         * config/mmix/mmix.c (mmix_function_arg_pass_by_reference): Allow
14269         argsp to be null.
14270
14271         * config/arc/arc.c (arc_gimplify_va_arg_expr): Remove.
14272         (TARGET_GIMPLIFY_VA_ARG_EXPR): Remove.
14273         * config/cris/cris.c, config/fr30/fr30.c, config/frv/frv.c,
14274         config/iq2000/iq2000.c, config/m32r/m32r.c, config/mmix/mmix.c,
14275         config/mn10300/mn10300.c, config/v850/v850.c: Similarly.
14276
14277 2004-07-13  Richard Henderson  <rth@redhat.com>
14278
14279         * function.c (pass_by_reference): New.
14280         (assign_parm_find_data_types): Use it.
14281         * calls.c (initialize_argument_information): Likewise.
14282         (emit_library_call_value_1): Likewise.
14283         * expr.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
14284         * function.h (pass_by_reference): Declare.
14285
14286 2004-07-13  Richard Henderson  <rth@redhat.com>
14287
14288         * target-def.h (TARGET_MUST_PASS_IN_STACK): New.
14289         * target.h (struct gcc_target): Add calls.must_pass_in_stack.
14290         * expr.h (MUST_PASS_IN_STACK): Remove.
14291         * system.h (MUST_PASS_IN_STACK): Poison.
14292         * tree.h (must_pass_in_stack_var_size): Declare.
14293         (must_pass_in_stack_var_size_or_pad): Declare.
14294         * calls.c (must_pass_in_stack_var_size): New.
14295         (must_pass_in_stack_var_size_or_pad): Rename from
14296         default_must_pass_in_stack.
14297         * config/alpha/alpha.c (unicosmk_must_pass_in_stack): New.
14298         (TARGET_MUST_PASS_IN_STACK): New.
14299         * config/alpha/unicosmk.h (MUST_PASS_IN_STACK): Remove.
14300         * config/fr30/fr30.c (fr30_must_pass_in_stack): New.
14301         (TARGET_MUST_PASS_IN_STACK): New.
14302         * config/fr30/fr30.h (MUST_PASS_IN_STACK): Remove.
14303         * config/frv/frv.c (frv_must_pass_in_stack): New.
14304         (TARGET_MUST_PASS_IN_STACK): New.
14305         * config/frv/frv.h (MUST_PASS_IN_STACK): Remove.
14306         * config/i386/i386-protos.h (ix86_must_pass_in_stack): Remove.
14307         * config/i386/i386.c (TARGET_MUST_PASS_IN_STACK): New.
14308         (ix86_must_pass_in_stack): Make static.
14309         * config/i386/i386.h (MUST_PASS_IN_STACK): Remove.
14310         * config/ia64/ia64.c (TARGET_MUST_PASS_IN_STACK): New.
14311         * config/ia64/ia64.h (MUST_PASS_IN_STACK): Remove.
14312         * config/m32r/m32r.c (TARGET_MUST_PASS_IN_STACK): New.
14313         * config/m32r/m32r.h (MUST_PASS_IN_STACK): Remove.
14314         * config/mcore/mcore-protos.h (mcore_must_pass_on_stack): Remove.
14315         * config/mcore/mcore.c (TARGET_MUST_PASS_IN_STACK): New.
14316         (mcore_must_pass_on_stack): Remove.
14317         * config/mcore/mcore.h (MUST_PASS_IN_STACK): Remove.
14318         * config/mips/mips.c (TARGET_MUST_PASS_IN_STACK): New.
14319         * config/mips/mips.h (MUST_PASS_IN_STACK): Remove.
14320         * config/pa/pa.c (TARGET_MUST_PASS_IN_STACK): New.
14321         * config/pa/pa.h (MUST_PASS_IN_STACK): Remove.
14322         * config/rs6000/aix.h (MUST_PASS_IN_STACK): Remove.
14323         * config/rs6000/linux64.h (MUST_PASS_IN_STACK): Remove.
14324         * config/rs6000/rs6000.c (rs6000_must_pass_in_stack): New.
14325         (TARGET_MUST_PASS_IN_STACK): New.
14326         * config/sh/sh.c (TARGET_MUST_PASS_IN_STACK): New.
14327         * config/sh/sh.h (MUST_PASS_IN_STACK): Remove.
14328         * config/sparc/sparc.c (TARGET_MUST_PASS_IN_STACK): New.
14329         * config/sparc/sparc.h (MUST_PASS_IN_STACK): Remove.
14330         * config/xtensa/xtensa.c (TARGET_MUST_PASS_IN_STACK): New.
14331         * config/xtensa/xtensa.h (MUST_PASS_IN_STACK): Remove.
14332         * doc/tm.texi (TARGET_MUST_PASS_IN_STACK): Update from
14333         MUST_PASS_IN_STACK.
14334
14335         * calls.c, function.c, config/alpha/alpha.c, config/alpha/alpha.h,
14336         config/alpha/unicosmk.h, config/alpha/vms.h, config/c4x/c4x.c,
14337         config/cris/cris.h, config/fr30/fr30.c, config/fr30/fr30.h,
14338         config/frv/frv.c, config/i386/i386.c, config/iq2000/iq2000.c,
14339         config/mcore/mcore.c, config/mcore/mcore.h, config/mips/mips.c,
14340         config/mmix/mmix.c, config/mmix/mmix.h, config/rs6000/rs6000.c,
14341         config/sh/sh.c, config/sh/sh.h, config/stormy16/stormy16.c,
14342         config/xtensa/xtensa.c: Use target hook.
14343
14344 2004-07-13  Anthony Heading  <aheading@jpmorgan.com>
14345
14346         * configure.ac (gcc_cv_as_offsetable_lo10): Fix a typo.
14347         * configure: Rebuilt.
14348
14349 2004-07-13  Richard Sandiford  <rsandifo@redhat.com>
14350
14351         * doc/invoke.texi: Remove documentation for MIPS -mrnames option.
14352         * config/mips/mips.h (mips_reg_names): Don't declare.
14353         (MASK_NAME_REGS): Delete.  Shuffle other MASK_* values down.
14354         (TARGET_NAME_REGS): Delete.
14355         (TARGET_SWITCHES): Remove -mrnames.
14356         (REGISTER_NAMES): Initialise with the old contents of mips_reg_names[].
14357         (ADDITIONAL_REGISTER_NAMES): Remove entries for names mentioned
14358         in REGISTER_NAMES.
14359         * config/mips/mips.c (mips_reg_names, mips_sw_reg_names): Delete.
14360         (override_options): Remove handling of TARGET_NAME_REGS.
14361
14362 2004-07-13  Richard Sandiford  <rsandifo@redhat.com>
14363
14364         * config/mips/mips.h (TARGET_*): Boolify.
14365
14366 2004-07-12  Nick Clifton  <nickc@redhat.com>
14367
14368         * config.gcc: Add sh-*-symbianelf target.
14369         * config/sh/sh.c: Add new target macros:
14370         TARGET_ENCODE_SECTION_INFO, TARGET_STRIP_NAME_ENCODING,
14371         TARGET_CXX_IMPORT_EXPORT_CLASS.
14372         (sh_file_start): Create a definition of the .directive section.
14373         (sh_attribute): Add dllimport and dllexport attributes.
14374         * config/sh/symbian-pre.h: New file.
14375         * config/sh/symbian-post.h: New file.
14376         * config/sh/symbian.c: New file. Contains Symbian specific
14377         functions.
14378         * config/sh/sh-protos.h: Add prototypes for new functions
14379         provided by symbian.c.
14380         * config/sh/t-symbian: New file.
14381         * doc/extend.texi: Document support for dllimport and dllexport
14382         attributes by the sh-symbianelf target.
14383
14384 2004-07-12  James E Wilson  <wilson@specifixinc.com>
14385
14386         * Makefile.in (AR): Use @AR@ not ar.
14387         (NM): New.
14388         (AR_FOR_TARGET): Use $(AR) not ar for native.
14389         (NM_FOR_TARGET): Use $(NM) not nm for native.
14390         * configure.ac: Add AC_CHECK_PROG calls for NM and AR.
14391         * configure: Regenerate.
14392
14393 2004-07-12  David S. Miller  <davem@nuts.davemloft.net>
14394
14395         * config/sparc/sparc.md (ashlsi3): Eliminate const 1
14396         special case.
14397         (ashldi3_sp64): Likewise.
14398
14399 2004-07-12  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
14400
14401         PR target/16477
14402         * pa.c (function_arg): Update comment.
14403         * pa.h (BLOCK_REG_PADDING): Define.
14404
14405 2004-07-12  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
14406
14407         PR tree-optimization/16461
14408         * tree-tailcall.c (independent_of_stmt_p): Handle non-SSA name
14409         arguments of phi nodes.
14410
14411 2004-07-12  Devang Patel  <dpatel@apple.com>
14412
14413         * doc/invoke.texi (Darwin Options): Document -gused and -gfull.
14414
14415 2004-07-12  Steve Ellcey  <sje@cup.hp.com>
14416
14417         * function.c (expand_function_start): Ensure r_save is in Pmode.
14418         * calls.c (prepare_call_address): Ensure static_chain_value is
14419         in Pmode.
14420         * builtins.c (expand_builtin_nonlocal_goto): Ensure r_label and
14421         r_save_area are in Pmode.
14422         * config/ia64/ia64.c (ia64_initialize_trampoline): Ensure addr,
14423         fnaddr, and static_chain are in Pmode.
14424
14425 2004-07-12  Vladimir Makarov  <vmakarov@redhat.com>
14426
14427         PR target/16445
14428         * config/ia64/ia64.c (bundling): Don't count ignored insns.
14429
14430 2004-07-12  Richard Henderson  <rth@redhat.com>
14431
14432         * target.h (struct gcc_target): Move gimplify_va_arg_expr
14433         next to build_builtin_va_list.
14434         * target-def.h (TARGET_GIMPLIFY_VA_ARG_EXPR): Update to match.
14435         * builtins.c (gimplify_va_arg_expr): Likewise.
14436         * gimplify.c (copy_if_shared_r): Likewise.
14437
14438 2004-07-12  Alexandre Oliva  <aoliva@redhat.com>
14439
14440         * passes.c (rest_of_decl_compilation): Don't defer call of
14441         assemble_variable if its DECL_RTL is already set.
14442
14443 2004-07-12  Sebastian Pop  <pop@cri.ensmp.fr>
14444
14445         * cfgloop.h (struct loop): Add nb_iterations field.
14446         (current_loops): Declare.
14447         * tree-chrec.c (chrec_not_analyzed_yet,
14448         chrec_dont_know, chrec_known, count_ev_in_wider_type,
14449         chrec_contains_symbols_defined_in_loop): Remove the temporary
14450         hooks.
14451         * tree-flow-inline.h (loop_containing_stmt): New function.
14452         * tree-scalar-evolution.c: Add implementation.
14453         * tree-scalar-evolution.h: Add declarations.
14454
14455 2004-07-12 Vladimir Makarov <vmakarov@redhat.com>
14456
14457         PR rtl-optimization/15921
14458         * Makefile.in (global.o): Add recog.h.
14459
14460         * global.c (recog.h): Add the include-clause.
14461         (bb_info): New member earlyclobber.
14462         (allocate_bb_info, free_bb_info): Initialize/finish the new
14463         member.
14464         (earlyclobber_regclass, earlyclobber_regclass_length): The new
14465         global variables.
14466         (check_earlyclobber, regclass_intersect,
14467         mark_reg_use_for_earlyclobber, mark_reg_use_for_earlyclobber_1):
14468         New functions.
14469         (calculate_local_reg_bb_info): Calculate value of earlyclobber.
14470         (make_accurate_live_analysis): Modify pavin.
14471
14472 2004-07-12  Diego Novillo  <dnovillo@redhat.com>
14473
14474         * tree-cfg.c (find_taken_edge): Statically compute the truth
14475         value of a predicate comparing an SSA_NAME to itself.
14476
14477 2004-07-12  Roger Sayle  <roger@eyesopen.com>
14478
14479         * config/rs6000/rs6000.c (rs6000_rtx_costs): Indicate that the
14480         rs6000 doesn't have shift-and-add or shift-and-sub instructions
14481         by returning the cost of a multiplication plus an addition.
14482
14483 2004-07-12  Paolo Bonzini  <bonzini@gnu.org>
14484
14485         PR tree-optimization/14107
14486         * gimplify.c (gimplify_return_expr): Accept a
14487         RETURN_EXPR with an error argument.
14488         * tree-optimize.c (init_tree_optimization_passes):
14489         Run pass_warn_function_return at -O0.
14490
14491 2004-07-12  Roger Sayle  <roger@eyesopen.com>
14492
14493         * doc/invoke.texi: Correct -fasynchronous-unwind-tables option
14494         index entry.
14495
14496 2004-07-12  Richard Sandiford  <rsandifo@redhat.com>
14497
14498         * config/mips/mips.c (mips_use_dfa_pipeline_interface): Delete.
14499         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
14500         * config/mips/3000.md: Add copyright notice.  Remove automota and
14501         function units; use generic ones instead.  Only define reservations
14502         for things that are different from generic.md.  Extend each clause
14503         to include r3900.
14504         * config/mips/{4000,4100,4300,4600,5000,6000,generic}.md: New files.
14505         * config/mips/mips.md: Include them. Remove define_function_units.
14506         (alu, imuldiv): New automata and units.
14507
14508 2004-07-12  Ben Elliston  <bje@au.ibm.com>
14509
14510         * doc/invoke.texi (Optimize Options): Document -frename-registers
14511         not being enabled by default at -O3.
14512
14513 2004-07-11  Roger Sayle  <roger@eyesopen.com>
14514
14515         * fold-const.c (fold) <PLUS_EXPR>: Canonicalize X + -C as X - C for
14516         floating point additions, to keep real immediate constant positive.
14517         <MINUS_EXPR>:  For floating point subtractions, only transform X - -C
14518         into X + C, and leave positive real constants as X - C.
14519
14520 2004-07-11  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
14521
14522         * pa.c (hppa_gimplify_va_arg_expr): Remove comment.
14523
14524 2004-07-11  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
14525
14526         PR tree-optimization/15654
14527         * tree-tailcall.c (eliminate_tail_call): Remove unreachable code.
14528
14529 2004-07-11  Roger Sayle  <roger@eyesopen.com>
14530
14531         * builtins.c (fold_builtin_fputs): Don't bother converting the
14532         return type to integer_type_node, as we've already checked that
14533         the result will be ignored.
14534
14535         * tree-eh.c (tree_could_trap_p): Add support for -ftrapv such
14536         that signed addition, subtraction, multiplication, division,
14537         remainder, negation and absolute value may potentially trap.
14538
14539         * fold-const.c (fold_ignored_result): New function to strip
14540         non-side-effecting tree nodes from an expression whose result
14541         is ignored.
14542         (fold_convert): Call fold_ignored_result when casting a value
14543         to VOID_TYPE.
14544         (omit_one_operand):  Call fold_ignored_result on the "omitted"
14545         operand when building a COMPOUND_EXPR.
14546         (pedantic_omit_one_operand): Likewise.
14547         * tree.h (fold_ignored_result): Prototype here.
14548         * tree-ssa-ccp.c (ccp_fold_builtin): Call fold_ignored_result
14549         when we're going to ignore the result.
14550
14551 2004-07-11  Richard Henderson  <rth@redhat.com>
14552
14553         PR tree-opt/16383
14554         * tree-ssa-ccp.c (fold_stmt_r): Split out...
14555         * tree.c (fields_compatible_p, find_compatible_field): ... new.
14556         * tree.h (fields_compatible_p, find_compatible_field): Declare.
14557         * tree-sra.c (sra_hash_tree): Hash fields by offset.
14558         (sra_elt_eq): Use fields_compatible_p.
14559         (generate_one_element_ref): Use find_compatible_field.
14560
14561 2004-07-11  Richard Henderson  <rth@redhat.com>
14562
14563         PR tree-opt/16422
14564         * tree-sra.c (generate_one_element_init): New.
14565         (generate_element_init): Use it.
14566         (scalarize_init): Push/pop gimplify context around it.
14567         (find_new_referenced_vars_1, find_new_referenced_vars): New.
14568         * gimplify.c (gimplify_expr): Allow SSA_NAME.
14569
14570 2004-07-11  Roger Sayle  <roger@eyesopen.com>
14571
14572         * rtlanal.c (insn_rtx_cost): New function, moved and renamed from
14573         combine.c's combine_insn_cost.
14574         * rtl.h (insn_rtx_cost): Prototype here.
14575         * combine.c (combine_insn_cost): Delete function.
14576         (combine_validate_cost): Update callers of combine_insn_cost to
14577         call insn_rtx_cost instead.
14578         (combine_instructions): Likewise.  Use NONJUMP_INSN_P to avoid
14579         requesting the rtx_cost of call and/or jump instructions.
14580
14581         * ifcvt.c (total_bb_rtx_cost): Use insn_rtx_cost instead of calling
14582         rtx_cost directly.  Don't request/use the cost of call or jump
14583         instructions.  Return -1 if the cost of any instruction can't be
14584         determined (or the BB contains a function call).
14585         (find_if_case_1): Abort transformation if total_bb_rtx_cost returns
14586         -1 (i.e. can't determine the cost of any instruction or the basic
14587         block contains a subroutine call).
14588         (find_if_case_2): Likewise.
14589
14590 2004-07-11  Roger Sayle  <roger@eyesopen.com>
14591
14592         * rs6000.c (struct processor_costs): Change semantics of fields to
14593         include the COST_N_INSNS scaling, and update all initializers.
14594         (rs6000_rtx_costs): Don't use COSTS_N_INSNS on rs6000_cost fields.
14595         Use COSTS_N_INSNS(1) for NOT, SIGN_EXTEND, ZERO_EXTEND and COMPARE.
14596         Use rs6000_cost->fp for both FLOAT_TRUNCATE and UNSPEC_FRSP.  When
14597         optimizing for size, use COSTS_N_INSNS(1) for CALL and IF_THEN_ELSE.
14598
14599 2004-07-11  Joseph S. Myers  <jsm@polyomino.org.uk>
14600
14601         * LANGUAGES: Remove obsolete information.
14602
14603 2004-07-11  Ulrich Weigand  <uweigand@de.ibm.com>
14604
14605         * config/s390/linux.h (MD_FALLBACK_FRAME_STATE_FOR): For SIGSEGV and
14606         SIGBUS signal frames, the PSW address points *to* the faulting
14607         instruction, not after it.
14608
14609 2004-07-11  Ulrich Weigand  <uweigand@de.ibm.com>
14610
14611         * config/s390/s390.c (legitimize_tls_address): Handle constant offsets
14612         added to TLS symbol addresses.
14613
14614 2004-07-11  Richard Henderson  <rth@redhat.com>
14615
14616         * expmed.c (init_expmed): Use stack-local structures for
14617         temporary rtl.  Don't recognize shifts.
14618
14619 2004-07-11  Richard Henderson  <rth@redhat.com>
14620
14621         * expr.c (store_expr): Don't fiddle subreg promotion for types
14622         with precision smaller than the mode.
14623
14624 2004-07-11  Joseph S. Myers  <jsm@polyomino.org.uk>
14625
14626         * tree.h (all_types_permanent): Remove.
14627
14628 2004-07-11  Joseph S. Myers  <jsm@polyomino.org.uk>
14629
14630         * langhooks.h (estimate_num_insns, pushlevel, poplevel, set_block,
14631         maybe_build_cleanup, update_decl_after_saving): Remove hooks.
14632         * langhooks.c (lhd_clear_binding_stack): Remove.
14633         * langhooks-def.h (lhd_clear_binding_stack,
14634         LANG_HOOKS_MAYBE_BUILD_CLEANUP,
14635         LANG_HOOKS_UPDATE_DECL_AFTER_SAVING,
14636         LANG_HOOKS_TREE_INLINING_ESTIMATE_NUM_INSNS, LANG_HOOKS_PUSHLEVEL,
14637         LANG_HOOKS_POPLEVEL, LANG_HOOKS_SET_BLOCK): Remove.
14638         (LANG_HOOKS_CLEAR_BINDING_STACK): Define to lhd_do_nothing.
14639         * system.h (LANG_HOOKS_TREE_INLINING_ESTIMATE_NUM_INSNS,
14640         LANG_HOOKS_PUSHLEVEL, LANG_HOOKS_SET_BLOCK,
14641         LANG_HOOKS_MAYBE_BUILD_CLEANUP,
14642         LANG_HOOKS_UPDATE_DECL_AFTER_SAVING, LANG_HOOKS_POPLEVEL): Poison.
14643         * tree.h (poplevel): Don't declare.
14644         * c-lang.c (LANG_HOOKS_CLEAR_BINDING_STACK, LANG_HOOKS_PUSHLEVEL,
14645         LANG_HOOKS_POPLEVEL, LANG_HOOKS_SET_BLOCK): Remove.
14646         * objc/objc-lang.c (LANG_HOOKS_CLEAR_BINDING_STACK,
14647         LANG_HOOKS_PUSHLEVEL, LANG_HOOKS_POPLEVEL, LANG_HOOKS_SET_BLOCK):
14648         Remove.
14649
14650 2004-07-11  Joseph S. Myers  <jsm@polyomino.org.uk>
14651
14652         PR tree-optimization/16437
14653         * c-common.c (shorten_compare): Don't mark result of conversion to
14654         narrower signed type as overflowing.
14655         * fold-const.c (decode_field_reference): Determine whether
14656         signedness comes from outer type using precision rather than size.
14657
14658 2004-07-11  Phil Edwards  <phil@codesourcery.com>
14659
14660         * configure.ac:  Alphabetize --enable-checking list, add
14661         missing valgrind entry.
14662         * configure:  Regenerate.
14663
14664 2004-07-11  Phil Edwards  <phil@codesourcery.com>
14665
14666         * doc/install.texi (Testing):  Fix syntax in "make check" example.
14667
14668 2004-07-10  James E Wilson  <wilson@specifixinc.com>
14669
14670         * config/gofast.h (gofast_maybe_init_libfuncs): Use SImode for litodp.
14671
14672 2004-07-10  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
14673
14674         PR rtl-optimization/16001
14675         * loop-iv.c (iv_number_of_iterations): Prevent copy propagation in
14676         niter_expr.
14677
14678 2004-07-10  Geoffrey Keating  <geoffk@apple.com>
14679
14680         * config/darwin.h (LINK_COMMAND_SPEC): Don't call c++filt.
14681
14682 2004-07-10  Steve Kargl  <sgk@troutmask.apl.washington.edu>
14683             James Morrison  <phython@gcc.gnu.org>
14684
14685         * doc/contrib.texi (Contributors): Add gfortran contributors and
14686         fix a couple of typos.
14687
14688 2004-07-10  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
14689
14690         PR rtl-optimization/15387
14691         * calls.c (check_sibcall_argument_overlap_1): Handle pointers
14692         to incoming args space correctly.
14693
14694 2004-07-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
14695
14696         * pa.c (output_indirect_call): Only use %r2 as the link register in
14697         indirect calls with the long PA 2.0 pc-relative branch.
14698
14699 2004-07-10  Daniel Jacobowitz  <dan@debian.org>
14700
14701         * config/i386/i386.c (override_options): Pick a 64-bit CPU
14702         for the default tuning if TARGET_64BIT.
14703
14704 2004-07-10  Richard Henderson  <rth@redhat.com>
14705
14706         * builtins.c (std_gimplify_va_arg_expr): Widen align/boundary
14707         to HOST_WIDE_INT.  Fold pad-args-down arithmetic.
14708
14709 2004-07-10  Jakub Jelinek  <jakub@redhat.com>
14710
14711         * expr.h (store_bit_field, extract_bit_field): Remove last argument.
14712         * expmed.c (store_bit_field, extract_bit_field): Remove last
14713         argument.
14714         * builtins.c (expand_builtin_signbit): Adjust callers.
14715         * optabs.c (expand_vector_binop, expand_vector_unop): Likewise.
14716         * calls.c (store_unaligned_arguments_into_pseudos): Likewise.
14717         * ifcvt.c (noce_emit_move_insn): Likewise.
14718         * stmt.c (expand_return): Likewise.
14719         * expr.c (emit_group_load, emit_group_store, copy_blkmode_from_reg,
14720         store_field, expand_expr_real_1): Likewise.
14721
14722 2004-07-10  Richard Henderson  <rth@redhat.com>
14723
14724         * builtins.c (std_gimplify_va_arg_expr): Fix borked BIT_AND_EXPR.
14725
14726 2004-07-09  Mike Stump  <mrs@apple.com>
14727
14728         * config/darwin.c (no_dead_strip): Add.
14729         (HAVE_DEAD_STRIP): Add.
14730         (darwin_emit_unwind_label): Ensure that we don't dead code strip
14731         the .eh label.
14732
14733 2004-07-09  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
14734
14735         * tree-ssa-loop-im.c: New file.
14736         * Makefile.in (tree-ssa-loop-im.o): Add.
14737         * cfgloop.c (superloop_at_depth): New function.
14738         * cfgloop.h (superloop_at_depth): Declare.
14739         * common.opt (ftree-lim): New flag.
14740         * expr.c (array_ref_up_bound): New function.
14741         * params.def (PARAM_LIM_EXPENSIVE): New parameter.
14742         * timevar.def (TV_LIM): New timevar.
14743         * tree-dfa.c (compute_immediate_uses): Respect TDFA_USE flags when
14744         computing immediate uses of a phi node.
14745         * tree-flow.h (struct tree_ann_common_d): Add aux field.
14746         (loop_commit_inserts, for_each_index, tree_ssa_lim): Declare.
14747         * tree-optimize.c (init_tree_optimization_passes): Add pass_lim.
14748         * tree-pass.h (pass_lim): Declare.
14749         * tree-ssa-loop.c (tree_ssa_loop_im, gate_tree_ssa_loop_im): New
14750         functions.
14751         (pass_lim): New pass structure.
14752         * tree-eh.c (tree_could_trap_p): Handle ARRAY_REFs correctly.
14753         * tree.c (in_array_bounds_p): New function.
14754         * tree.h (TREE_THIS_NOTRAP): Define also for ARRAY_REFs.
14755         (in_array_bounds_p, array_ref_up_bound): Declare.
14756         * doc/invoke.texi (-ftree-lim, --param lim-expensive): Document.
14757         * doc/passes.texi (tree-ssa-loop-im.c): Document.
14758
14759 2004-07-09  Richard Henderson  <rth@redhat.com>
14760
14761         * builtins.c (expand_builtin_stpcpy): Don't modify len.
14762
14763         * tree-ssa-ccp.c (ccp_fold_builtin): Strip conversion exprs
14764         with prejudice.
14765
14766 2004-07-10  Kelley Cook  <kcook@gcc.gnu.org>
14767
14768         * flags.h: Delete redundant prototypes that are being generated
14769         in options.h from common.opt.
14770         * common.opt: Add in the expository comments formerly in flags.h.
14771
14772 2004-07-09  Jan Beulich  <jbeulich@novell.com>
14773
14774         * config/i386/i386.c (init_cumulative_args): Set mmx/sse registers
14775         available for use only when TARGET_MMX/_SSE is set, and check for
14776         variable argument function if any register count is non-zero.
14777         (function_arg): Correctly suppress repeated warnings for passing SSE
14778         vectors are arguments without SSE enabled.
14779         (ix86_function_arg_boundary): Without SSE enabled, the use of what
14780         would be SSE register modes does no longer influence the alignment.
14781
14782 2004-07-09  Richard Henderson  <rth@redhat.com>
14783
14784         * builtins.c (std_gimplify_va_arg_expr): Deny ARGS_GROW_DOWNWARD.
14785         Always align upward to arg boundary.  Use size_in_bytes/round_up.
14786         Maintain type-correctness of constants.
14787         * stor-layout.c (round_up, round_down): Special-case powers of 2.
14788
14789 2004-07-09  David S. Miller  <davem@nuts.davemloft.net>
14790
14791         * config/sparc/sparc.c (*_costs): Scale instruction costs
14792         by COSTS_N_INSNS.
14793         (sparc_rtx_costs): Adjust as appropriate.
14794
14795 2004-07-09  Jan Beulich  <jbeulich@novell.com>
14796
14797         * config/i386/mm3dnow.h: New.
14798         * config.gcc: Add mm3dnow.h to extra_headers for i?86 and x86-64.
14799
14800 2004-07-09  Richard Henderson  <rth@redhat.com>
14801
14802         * simplify-rtx.c (simplify_const_relational_operation): Only
14803         look at bounds of scalar integers.
14804
14805 2004-07-09  Jan Beulich  <jbeulich@novell.com>
14806
14807         * config/i386/i386.md (sse2_clflush): Use correct operand for clflush.
14808
14809 2004-07-09  Andrew Pinski  <apinski@apple.com>
14810
14811         * objc/objc-act.c (build_module_descriptor): Mark UOBJC_MODULES_decl as
14812         always referenced.
14813         (synth_forward_declarations): Likewise for UOBJC_CLASS_decl and
14814         UOBJC_METACLASS_decl.
14815
14816 2004-07-09  James E Wilson  <wilson@specifixinc.com>
14817
14818         PR target/16364
14819         * config/ia64/ia64.c (ia64_function_arg): For a single element HFA,
14820         do return a parallel if hfa_mode == XFmode and mode == TImode.
14821
14822 2004-07-09  Jan Beulich  <jbeulich@novell.com>
14823
14824         * c-typeck.c (build_unary_op): include VECTOR_TYPE in set of codes
14825         permissible for unary plus.
14826
14827 2004-07-09  Jan Beulich  <jbeulich@novell.com>
14828
14829         * builtin-types.def (BT_UINT): Rename from BT_UNSIGNED.
14830         (BT_FN_UINT): Rename from BT_FN_UNSIGNED.
14831         (BT_FN_PTR_UINT): Rename from BT_FN_PTR_UNSIGNED.
14832         (BT_ULONG, BT_ULONGLONG, BT_UINTMAX, BT_FN_INT_UINT, BT_FN_INT_ULONG,
14833         BT_FN_INT_ULONGLONG, BT_FN_INT_INTMAX, BT_FN_INT_UINTMAX): New.
14834         * builtins.def (BUILTIN_CLZxxx, BUILTIN_CTXxxx, BUILTIN_PARITYxxx,
14835         BUILTIN_POPCOUNTxxx): Arguments are unsigned.
14836         (BUILTIN_xxxIMAX): New.
14837         * builtins.c (expand_builtin): Handle BUILT_IN_FFSIMAX,
14838         BUILT_IN_CLZIMAX, BUILT_IN_CTZIMAX, BUILT_IN_POPCOUNIMAX, and
14839         BUILT_IN_PARITYIMAX.
14840
14841 2004-07-09  David S. Miller  <davem@nuts.davemloft.net>
14842
14843         * config/sparc/sparc.h (processor_costs): Define.
14844         (sparc_costs): Declare.
14845         * config/sparc/sparc.c (cypress_costs, supersparc_costs,
14846         hypersparc_costs, sparclet_costs, ultrasparc_costs,
14847         ultrasparc3_costs): New.
14848         (sparc_override_options): Set sparc_costs as appropriate.
14849         (sparc_rtx_costs): Use sparc_costs instead of messy
14850         conditionals.
14851
14852 2004-07-09  Steven Bosscher  <stevenb@suse.de>
14853
14854         * doc/md.texi (Processor pipeline description): Mention that
14855         the old pipeline description is deprecated.
14856
14857         * config/rs6000/7450.md (automaton ppc7450): Split up, move
14858         mciu_7450 function unit to...
14859         (automaton ppc7450mciu): ...new automaton.
14860
14861         * haifa-sched.c (insert_schedule_bubbles_p): Remove.
14862         (schedule_block): Don't consider inserting bubbles.
14863         (sched_init): Don't initialize DFA bubbles.
14864         * target-def.h (TARGET_SCHED_INIT_DFA_BUBBLES,
14865         TARGET_SCHED_DFA_BUBBLE): Remove.
14866         * target.h (init_dfa_bubbles, dfa_bubble): Remove hooks.
14867         * doc/tm.texi (TARGET_SCHED_INIT_DFA_BUBBLES,
14868         TARGET_SCHED_DFA_BUBBLE): Remove documentation.
14869
14870         * stmt.c (conditional_context): Remove prototype.
14871         * tree.h (conditional_context): Remove.
14872         * tree-cfg.c (pre_insert_on_edge): Remove.
14873
14874         * c-common.h (c_expand_asm_operands): Remove prototype.
14875         * c-typeck.c (c_expand_asm_operands): Remove.
14876
14877 2004-07-09  Jan Beulich  <jbeulich@novell.com>
14878
14879         * config/i386/i386.c (classify_argument): Treat V1xx modes the same as
14880         their base modes. CTImode, TCmode, and XCmode must be passed in memory.
14881         TFmode (__float128) must be is an SSE/SSEUP pair. V2SImode, V4HImode,
14882         and V8QI are class SSE. All sufficiently small remaining vector modes
14883         must be passed in one or two integer registers.
14884         (ix86_libcall_value): TFmode must be returned in xmm0, XCmode must be
14885         returned in memory.
14886         (bdesc_2arg, ix86_init_mmx_sse_builtins): __builtin_ia32_pmuludq and
14887         __builtin_ia32_pmuludq128 have non-uniform argument and return types
14888         and must thus be handled explicitly.
14889         * config/i386/i386.md (*movdi_1_rex64): Add cases for moving between
14890         MMX and XMM regs.
14891         (movv8qi_internal, movv4hi_internal, movv2si_internal,
14892         movv2sf_internal): Permit moving between MMX and XMM registers (since
14893         MMX areguments and return values are passed in XMM registers).
14894         (sse2_umulsidi3): Correct type and mode.
14895
14896 2004-07-09  Richard Henderson  <rth@redhat.com>
14897
14898         * tree-cfg.c (dump_cfg_stats): Fix 64-bit format mismatch errors.
14899
14900 2004-07-09  Eric Christopher  <echristo@redhat.com>
14901
14902         * config/rs6000/40x.md: Split into two automatons.
14903
14904 2004-07-09  Zack Weinberg  <zack@codesourcery.com>
14905             Andrew Pinski  <apinski@apple.com>
14906
14907         * c-opts.c (c_common_post_options): Force unit-at-a-time mode
14908         on when we have more than one input file.
14909         (c_common_parse_file): Restore loop over all input files.
14910         Clarify diagnostic for -dy when YYDEBUG wasn't defined.
14911
14912         * c-decl.c (set_type_context): New function.
14913         (pop_scope): Use it to set context of types.  When we
14914         encounter a TYPE_DECL, set the context of the attached type too.
14915         (pop_file_scope): Don't call cpp_undef_all here.
14916         (diagnose_mismatched_decls): Do not complain about a second
14917         definition of an 'extern inline' function if it's not in the
14918         same translation unit.  Do not complain about inline
14919         declaration after use if the use was in a different
14920         translation unit.
14921         (merge_decls): Don't clobber olddecl's DECL_CONTEXT.
14922         (pushdecl): Do not put DECL_EXTERNAL, !TREE_PUBLIC decls in
14923         the external scope.
14924         (pushdecl_top_level): Likewise.
14925         (grokdeclarator): Clarify what is going on with setting
14926         DECL_EXTERNAL on function types, a little.
14927         (c_write_global_declarations): Don't do anything if
14928         -fsyntax-only or errors have been encountered.
14929
14930 2004-07-09  Zack Weinberg  <zack@codesourcery.com>
14931
14932         * vec.c, vec.h (vec_assert_fail): Use unsigned int for LINE argument.
14933
14934 2004-07-09  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
14935
14936         PR target/16459
14937         * pa.c (output_indirect_call): Use %r2 as the link register when
14938         calling $$dyncall with a pc-relative branch.
14939
14940 2004-07-08  Gerald Pfeifer  <gerald@pfeifer.com>
14941
14942         * doc/install.texi (Binaries): Mention OpenPKG.
14943
14944 2004-07-09  Diego Novillo  <dnovillo@redhat.com>
14945
14946         Fix PR tree-optimization/15555
14947         * tree-dfa.c (dump_variable): If the variable is a pointer
14948         SSA_NAME, also dump its points-to information.
14949         * tree-flow.h (struct ptr_info_def): Add field
14950         is_dereferenced.
14951         (dump_points_to_info_for): Declare.
14952         (debug_points_to_info_for): Declare.
14953         * tree-optimize.c (init_tree_optimization_passes): Add a
14954         second alias analysis pass after DOM2.
14955         Move pass_del_pta to a later spot.
14956         * tree-ssa-alias.c (compute_points_to_and_addr_escape): Do not
14957         create a name tags when we find a dereferenced pointer.  Just
14958         mark the pointer dereferenced.
14959         (collect_points_to_info_for): Move code to clear points-to
14960         information to create_name_tags.
14961         (create_name_tags): New function.
14962         (compute_flow_sensitive_aliasing): Call it.
14963         (setup_pointers_and_addressables): Mark type tags for renaming
14964         here instead of ...
14965         (create_memory_tag): ... here.
14966         (merge_pointed_to_info): Do not merge PT_MALLOC attributes.
14967         (dump_points_to_info_for): Declare extern.
14968         (debug_points_to_info_for): New function.
14969
14970 2004-07-09  Paolo Bonzini  <bonzini@gnu.org>
14971
14972         * config/arc/arc.md: Switch to DFA-based scheduler description.
14973         * config/arc/arc.c: Switch to DFA-based scheduler description.
14974
14975 2004-07-09  Richard Earnshaw  <rearnsha@arm.com>
14976
14977         * arm/unknown-elf.h (TARGET_DEFAULT): Don't require an APCS frame
14978         pointer.
14979
14980 2004-07-09  Richard Henderson  <rth@redhat.com>
14981
14982         * config/xtensa/xtensa-protos.h (xtensa_va_arg): Remove.
14983         * config/xtensa/xtensa.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
14984         (xtensa_gimplify_va_arg_expr): Rewrite from xtensa_va_arg.
14985         * config/xtensa/xtensa.h (EXPAND_BUILTIN_VA_ARG): Remove.
14986
14987         * config/v850/v850-protos.h (v850_va_arg): Remove.
14988         * config/v850/v850.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
14989         (v850_gimplify_va_arg_expr): Rewrite from v850_va_arg.
14990         * config/v850/v850.h (EXPAND_BUILTIN_VA_ARG): Remove.
14991         (FUNCTION_ARG_PASS_BY_REFERENCE): Handle variable size types.
14992         (FUNCTION_ARG_CALLEE_COPIES): Use FUNCTION_ARG_PASS_BY_REFERENCE.
14993
14994 2004-07-09  Richard Earnshaw  <rearnsha@arm.com>
14995
14996         PR target/12133
14997         * arm.c (arm_legitimate_index_p) Allow DFmode for soft-float
14998         and DImode to use +/-4k offset.
14999
15000 2004-07-09  Richard Henderson  <rth@redhat.com>
15001
15002         * config/stormy16/stormy16-protos.h (xstormy16_expand_builtin_va_arg):
15003         Remove.
15004         * config/stormy16/stormy16.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
15005         (xstormy16_gimplify_va_arg_expr): Rewrite from
15006         xstormy16_expand_builtin_va_arg.
15007         * config/stormy16/stormy16.h (EXPAND_BUILTIN_VA_ARG): Remove.
15008
15009         * config/sparc/sparc-protos.h (sparc_va_arg): Remove.
15010         * config/sparc/sparc.c (sparc_gimplify_va_arg): Mark static.
15011
15012         * config/sh/sh-protos.h (sh_va_arg): Remove.
15013         * config/sh/sh.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
15014         (sh_gimplify_va_arg_expr): Rewrite from sh_va_arg.
15015         * config/sh/sh.h (EXPAND_BUILTIN_VA_ARG): Remove.
15016
15017         * config/pa/pa-protos.h (hppa_va_arg): Remove.
15018         * config/pa/pa.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
15019         (hppa_gimplify_va_arg_expr): Rewrite from hppa_va_arg.
15020         * config/pa/pa.h (EXPAND_BUILTIN_VA_ARG): Remove.
15021
15022         * config/mn10300/mn10300-protos.h (mn10300_va_arg): Remove.
15023         * config/mn10300/mn10300.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
15024         (mn10300_gimplify_va_arg_expr): Rewrite from mn10300_va_arg.
15025         * config/mn10300/mn10300.h (EXPAND_BUILTIN_VA_ARG): Remove.
15026
15027 2004-07-09  Eric Botcazou  <ebotcazou@libertysurf.fr>
15028
15029         * config/sparc/sparc.md (return): Rewrite length formula.
15030         * config/sparc/sparc.c (output_return): Pass 1 as 5th
15031         argument to final_scan_insn when in a delay slot.
15032         (output_sibcall): Likewise.
15033
15034 2004-07-09  Richard Earnshaw  <rearnsha@arm.com>
15035
15036         * arm.c (arm_cpp_interwork): New variable.
15037         (arm_override_options): Set it if TARGET_INTERWORK was on the command
15038         line.
15039         * arm.h (arm_cpp_interwork): Declare it.
15040         (TARGET_CPU_CPP_BUILTINS): Use it to control definition of
15041         __THUMB_INTERWORK__ in the preprocessor.
15042
15043 2004-07-09  Nathan Sidwell  <nathan@codesourcery.com>
15044
15045         * vec.h (VEC_T_alloc): Fix MEM_STAT_DECL pasto.
15046
15047 2004-07-09  Eric Botcazou  <ebotcazou@libertysurf.fr>
15048
15049         PR target/16416
15050         * config/sparc/sol2-bi.h (OPTION_DEFAULT_SPECS): New macro.
15051         Override default settings to account for -m32 and -m64.
15052
15053 2004-07-08  Randolph Chung  <tausq@debian.org>
15054
15055         * pa32-linux.h (MD_FALLBACK_FRAME_STATE_FOR): Define.
15056
15057 2004-07-09  Alexandre Oliva  <aoliva@redhat.com>
15058
15059         * builtins.c (fold_builtin_strncpy): Make sure len is a constant
15060         before comparing it as such.
15061
15062 2004-07-08  Richard Henderson  <rth@redhat.com>
15063
15064         * builtins.c (std_gimplify_va_arg_expr): Hoist valist into a
15065         temporary.  Use bit arithmetic to align.
15066
15067 2004-07-08  Jerry Quinn  <jlquinn@optonline.net>
15068
15069         * alias.c (nonlocal_mentioned_p, nonlocal_referenced_p,
15070         nonlocal_set_p, init_alias_analysis): Use, LABEL_P, JUMP_P, CALL_P,
15071         NONJUMP_INSN_P, INSN_P, NOTE_P, BARRIER_P.
15072         * bb-reorder.c (mark_bb_for_unlikely_executed_section,
15073         add_labels_and_missing_jumps, find_jump_block,
15074         fix_crossing_unconditional_branches, add_reg_crossing_jump_notes):
15075         Likewise.
15076         * bt-load.c (btr_referenced_p, compute_defs_uses_and_gen,
15077         link_btr_uses, move_btr_def): Likewise.
15078         * builtins.c (expand_builtin_longjmp, expand_builtin_nonlocal_goto,
15079         expand_builtin_expect_jump): Likewise.
15080         * caller-save.c (save_call_clobbered_regs, insert_one_insn): Likewise.
15081         * calls.c (expand_call, emit_library_call_value_1): Likewise.
15082         * cfganal.c (forwarder_block_p): Likewise.
15083         * cfgbuild.c (inside_basic_block_p, count_basic_blocks,
15084         make_label_edge, rtl_make_eh_edge, make_edges, find_basic_blocks_1,
15085         find_bb_boundaries): Likewise.
15086         * cfgcleanup.c (try_simplify_condjump, try_forward_edges,
15087         merge_blocks_move_predecessor_nojumps,
15088         merge_blocks_move_successor_nojumps, insns_match_p,
15089         flow_find_cross_jump, outgoing_edges_match, try_crossjump_to_edge,
15090         try_optimize_cfg): Likewise.
15091         * cfgexpand.c (expand_block, construct_exit_block): Likewise.
15092         * cfglayout.c (skip_insns_after_block, label_for_bb,
15093         record_effective_endpoints, insn_locators_initialize,
15094         fixup_reorder_chain, update_unlikely_executed_notes): Likewise.
15095         * cfgmainloop.c (create_loop_notes): Likewise.
15096         * cfgrtl.c (delete_insn, delete_insn_chain,
15097         create_basic_block_structure, rtl_delete_block, free_bb_for_insn,
15098         update_bb_for_insn, rtl_merge_blocks, rtl_can_merge_blocks,
15099         block_label, try_redirect_by_replacing_jump, last_loop_beg_note,
15100         redirect_branch_edge, force_nonfallthru_and_redirect,
15101         rtl_tidy_fallthru_edge, back_edge_of_syntactic_loop_p,
15102         rtl_split_edge, commit_one_edge_insertion, print_rtl_with_bb,
15103         update_br_prob_note, rtl_verify_flow_info_1, rtl_verify_flow_info,
15104         purge_dead_edges, cfg_layout_redirect_edge_and_branch,
15105         cfg_layout_delete_block, cfg_layout_can_merge_blocks_p,
15106         cfg_layout_merge_blocks, rtl_block_ends_with_call_p,
15107         need_fake_edge_p, rtl_flow_call_edges_add): Likewise.
15108         * combine.c (combine_instructions, can_combine_p, try_combine,
15109         find_split_point, record_dead_and_set_regs, reg_dead_at_p,
15110         distribute_notes, distribute_links, insn_cuid): Likewise.
15111         * cse.c (fold_rtx, cse_insn, cse_around_loop,
15112         invalidate_skipped_block, cse_set_around_loop,
15113         cse_end_of_basic_block, cse_main, cse_basic_block,
15114         cse_condition_code_reg): Likewise.
15115         * cselib.c (cselib_process_insn): Likewise.
15116         * ddg.c (create_ddg): Likewise.
15117         * df.c (df_insn_refs_record, df_bb_rd_local_compute, df_insns_modify):
15118         Likewise.
15119         * dwarf2out.c (dwarf2out_stack_adjust, dwarf2out_frame_debug,
15120         gen_label_die, dwarf2out_var_location): Likewise.
15121         * emit-rtl.c (get_first_nonnote_insn, get_last_nonnote_insn,
15122         next_insn, previous_insn, next_nonnote_insn, prev_nonnote_insn,
15123         last_call_insn, active_insn_p, next_label, prev_label,
15124         link_cc0_insns, next_cc0_user, try_split, add_insn_after,
15125         add_insn_before, remove_insn, add_function_usage_to,
15126         reorder_insns, find_line_note, remove_unnecessary_notes,
15127         emit_insn_after_1, classify_insn): Likewise.
15128         * except.c (convert_from_eh_region_ranges_1, emit_to_new_bb_before,
15129         connect_post_landing_pads, sjlj_mark_call_sites,
15130         sjlj_emit_function_enter, sjlj_emit_function_exit, reachable_handlers,
15131         can_throw_internal, can_throw_external, set_nothrow_function_flags,
15132         convert_to_eh_region_ranges): Likewise.
15133         * explow.c (optimize_save_area_alloca): Likewise.
15134         * expr.c (expand_expr_real): Likewise.
15135         * final.c (insn_current_reference_address, compute_alignments,
15136         shorten_branches, final, scan_ahead_for_unlikely_executed_note,
15137         final_scan_insn, output_asm_label, leaf_function_p): Likewise.
15138         * flow.c (first_insn_after_basic_block_note, delete_dead_jumptables,
15139         propagate_block_delete_insn, propagate_one_insn,
15140         init_propagate_block_info, propagate_block, libcall_dead_p,
15141         mark_set_1, attempt_auto_inc, find_auto_inc, try_pre_increment):
15142         Likewise.
15143         * function.c (instantiate_virtual_regs, reorder_blocks_1,
15144         expand_function_start, expand_function_end, contains,
15145         thread_prologue_and_epilogue_insns,
15146         reposition_prologue_and_epilogue_notes): Likewise.
15147         * gcse.c (constprop_register, bypass_conditional_jumps,
15148         insert_insn_end_bb, gcse_after_reload): Likewise.
15149         * genemit.c (gen_expand, gen_split): Likewise.
15150         * genpeep.c (gen_peephole, main): Likewise.
15151         * global.c (build_insn_chain): Likewise.
15152         * graph.c (node_data, print_rtl_graph_with_bb): Likewise.
15153         * haifa-sched.c (unlink_other_notes, unlink_line_notes,
15154         get_block_head_tail, no_real_insns_p, rm_line_notes, save_line_notes,
15155         restore_line_notes, rm_redundant_line_notes, rm_other_notes,
15156         ok_for_early_queue_removal, set_priorities, sched_init): Likewise.
15157         * ifcvt.c (count_bb_insns, first_active_insn, last_active_insn,
15158         cond_exec_process_insns, end_ifcvt_sequence, noce_process_if_block,
15159         merge_if_block, block_jumps_and_fallthru_p, find_if_block,
15160         dead_or_predicable): Likewise.
15161         * integrate.c (try_constants): Likewise.
15162         * jump.c (rebuild_jump_labels, cleanup_barriers,
15163         purge_line_number_notes, init_label_info, mark_all_labels,
15164         squeeze_notes, get_label_before, get_label_after,
15165         reversed_comparison_code_parts, simplejump_p, pc_set,
15166         returnjump_p, onlyjump_p, follow_jumps, mark_jump_label,
15167         delete_barrier, delete_prior_computation, delete_computation,
15168         delete_related_insns, delete_for_peephole, redirect_jump):
15169         Likewise.
15170         * lcm.c (optimize_mode_switching): Likewise.
15171         * local-alloc.c (validate_equiv_mem, update_equiv_regs, block_alloc):
15172         Likewise.
15173         * loop-doloop.c (doloop_valid_p, doloop_optimize): Likewise.
15174         * loop-invariant.c (find_exits, find_invariants_bb): Likewise.
15175         * loop-iv.c (simplify_using_assignment): Likewise.
15176         * loop.c (compute_luids, loop_optimize, scan_loop, libcall_other_reg,
15177         libcall_benefit, skip_consec_insns, move_movables, prescan_loop,
15178         find_and_verify_loops, labels_in_range_p, for_each_insn_in_loop,
15179         loop_bivs_init_find, strength_reduce, check_insn_for_bivs,
15180         check_insn_for_givs, check_final_value, update_giv_derive,
15181         basic_induction_var, product_cheap_p, check_dbra_loop,
15182         loop_insn_first_p, last_use_this_basic_block,
15183         canonicalize_condition, get_condition, loop_regs_scan, load_mems,
15184         try_copy_prop, LOOP_BLOCK_NUM, loop_dump_aux): Likewise.
15185         * modulo-sched.c (doloop_register_get, find_line_note, sms_schedule,
15186         sms_schedule_by_order): Likewise.
15187         * optabs.c (emit_no_conflict_block, emit_libcall_block): Likewise.
15188         * postreload.c (reload_cse_simplify_operands, reload_combine,
15189         reload_cse_move2add): Likewise.
15190         * predict.c (can_predict_insn_p, estimate_probability,
15191         expected_value_to_br_prob, process_note_predictions): Likewise.
15192         * print-rtl.c (print_rtx, print_rtl, print_rtl_single): Likewise.
15193         * profile.c (branch_prob): Likewise.
15194         * ra-build.c (live_out_1, livethrough_conflicts_bb,
15195         detect_webs_set_in_cond_jump): Likewise.
15196         * ra-debug.c (ra_print_rtx_object, ra_debug_insns,
15197         ra_print_rtl_with_bb): Likewise.
15198         * ra-rewrite.c (insert_stores, rewrite_program2): Likewise.
15199         * recog.c (next_insn_tests_no_inequality, find_single_use,
15200         split_all_insns, peephole2_optimize, if_test_bypass_p): Likewise.
15201         * reg-stack.c (next_flags_user, record_label_references,
15202         emit_swap_insn, swap_rtx_condition, subst_stack_regs,
15203         compensate_edge, convert_regs_1): Likewise.
15204         * regclass.c (scan_one_insn): Likewise.
15205         * regmove.c (optimize_reg_copy_1, optimize_reg_copy_2, fixup_match_2,
15206         regmove_optimize, fixup_match_1, single_set_for_csa,
15207         combine_stack_adjustments_for_block): Likewise.
15208         * regrename.c (build_def_use, copyprop_hardreg_forward_1): Likewise.
15209         * reload.c (find_reloads, find_reloads_address_1, subst_reloads,
15210         find_equiv_reg): Likewise.
15211         * reload1.c (reload, calculate_needs_all_insns, set_label_offsets,
15212         reload_as_needed, emit_input_reload_insns, do_output_reload,
15213         delete_output_reload, delete_address_reloads_1, fixup_abnormal_edges):
15214         Likewise.
15215         * reorg.c (find_end_label, emit_delay_sequence,
15216         delete_from_delay_slot, delete_scheduled_jump, optimize_skip,
15217         get_jump_flags, rare_destination, mostly_true_jump,
15218         try_merge_delay_insns, redundant_insn, own_thread_p,
15219         fill_simple_delay_slots, fill_slots_from_thread,
15220         fill_eager_delay_slots, relax_delay_slots, make_return_insns,
15221         dbr_schedule): Likewise.
15222         * resource.c (find_basic_block, next_insn_no_annul,
15223         find_dead_or_set_registers, mark_target_live_regs): Likewise.
15224         * rtl.h (RTX_PREV): Likewise.
15225         * rtlanal.c (global_reg_mentioned_p, no_labels_between_p,
15226         no_jumps_between_p, reg_used_between_p, reg_referenced_between_p,
15227         reg_set_p, find_last_value, dead_or_set_regno_p, find_reg_fusage,
15228         find_regno_fusage, pure_call_p, replace_label, rtx_referenced_p_1,
15229         tablejump_p, computed_jump_p, insns_safe_to_move_p,
15230         find_first_parameter_load, can_hoist_insn_p): Likewise.
15231         * sched-deps.c (get_condition, add_dependence, sched_analyze_2,
15232         sched_analyze_insn, sched_analyze, add_forward_dependence): Likewise.
15233         * sched-ebb.c (fix_basic_block_boundaries, add_deps_for_risky_insns,
15234         schedule_ebbs): Likewise.
15235         * sched-rgn.c (is_cfg_nonregular, find_conditional_protection,
15236         is_conditionally_protected, can_schedule_ready_p,
15237         add_branch_dependences, debug_dependencies): Likewise.
15238         * stmt.c (emit_nop, expand_start_case, emit_jump_if_reachable):
15239         Likewise.
15240         * unroll.c (unroll_loop, copy_loop_body, back_branch_in_range_p,
15241         reg_dead_after_loop, loop_find_equiv_value, loop_iterations,
15242         set_dominates_use, ujump_to_loop_cont): Likewise.
15243         * var-tracking.c (prologue_stack_adjust, vt_initialize): Likewise.
15244         * varasm.c (output_constant_pool_1): Likewise.
15245
15246 2004-07-08  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
15247
15248         * tree-scalar-evolution.c: New file.
15249         * tree-scalar-evolution.h: New file.
15250         * tree-ssa-loop-niter.c: New file.
15251         * Makefile.in (SCEV_H): New.
15252         (tree-scalar-evolution.o, tree-ssa-loop-niter.o): Add new files.
15253         * cfgloop.h (struct loop): Add bounds field.
15254         * tree-flow.h (struct tree_niter_desc): New type.
15255         (number_of_iterations_cond, number_of_iterations_exit,
15256         loop_niter_by_eval, find_loop_niter_by_eval,
15257         estimate_numbers_of_iterations, can_count_iv_in_wider_type,
15258         free_numbers_of_iterations_estimates): Declare.
15259         * tree.h (lower_bound_in_type, upper_bound_in_type): Declare.
15260         * params.def (PARAM_MAX_ITERATIONS_TO_TRACK): New parameter.
15261         * doc/invoke.texi (max-iterations-to-track): Document.
15262
15263 2004-07-08  Kaz Kojima  <kkojima@gcc.gnu.org>
15264
15265         * config/sh/sh.c (sh_va_arg): Initinalize lab_over.
15266         * config/sh/sh.h (CONST_OK_FOR_J16): Use parentheses.
15267         (MODE_AFTER): Add cast appropriately.
15268         * config/sh/sh.md (movdi splitter): Likewise.
15269         (casesi_worker_2): Add const qualifier appropriately.
15270         (eh_return): Remove unused variable.
15271         (insv): Initialize v;
15272
15273 2004-07-08  Richard Henderson  <rth@redhat.com>
15274
15275         * config/mmix/mmix-protos.h (mmix_expand_builtin_va_arg): Remove.
15276         * config/mmix/mmix.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
15277         (mmix_gimplify_va_arg_expr): Rewrite from mmix_expand_builtin_va_arg.
15278         * config/mmix/mmix.h (EXPAND_BUILTIN_VA_ARG): Remove.
15279         (FRAME_POINTER_REQUIRED): Use current_function_has_nonlocal_label.
15280
15281         * config/m32r/m32r-protos.h (m32r_va_arg): Remove.
15282         * config/m32r/m32r.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
15283         (m32r_gimplify_va_arg_expr): Rewrite from m32r_va_arg.
15284         * config/m32r/m32r.h (EXPAND_BUILTIN_VA_ARG): Remove.
15285
15286         * config/iq2000/iq2000-protos.h (iq2000_va_arg): Remove.
15287         * config/iq2000/iq2000.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
15288         (iq2000_gimplify_va_arg_expr): Rewrite from iq2000_va_arg.
15289         * config/iq2000/iq2000.h (EXPAND_BUILTIN_VA_ARG): Remove.
15290
15291         * config/frv/frv-protos.h (frv_expand_builtin_va_arg): Remove.
15292         * config/frv/frv.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
15293         (frv_gimplify_va_arg_expr): Rewrite from frv_expand_builtin_va_arg.
15294         * config/frv/frv.h (EXPAND_BUILTIN_VA_ARG): Remove.
15295
15296         * config/i860/i860-protos.h (i860_va_arg): Remove.
15297         * config/i860/i860.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
15298         (i860_gimplify_va_arg_expr): Rewrite from i860_va_arg.
15299         * config/i860/i860.h (EXPAND_BUILTIN_VA_ARG): Remove.
15300
15301 2004-05-31  Aaron W. LaFramboise <aaronraolete36@aaronwl.com>
15302
15303         * system.h: Prototype getpagesize if missing.
15304         * configure.ac: Add getpagesize to gcc_AC_CHECK_DECLS.
15305         * configure: Regenerate.
15306         * config.in: Regenerate.
15307
15308 2004-07-08  Richard Henderson  <rth@redhat.com>
15309
15310         * config/fr30/fr30-protos.h (fr30_va_arg): Remove.
15311         * config/fr30/fr30.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
15312         (fr30_gimplify_va_arg_expr): New.
15313         (fr30_pass_by_reference, fr30_pass_by_value, fr30_va_arg): Remove.
15314         * config/fr30/fr30.h (EXPAND_BUILTIN_VA_ARG): Remove.
15315
15316 2004-07-08  Vladimir Makarov  <vmakarov@redhat.com>
15317
15318         PR target/16414
15319         * config/ia64/ia64.c (ia64_dfa_new_cycle): Fix typo in comparison
15320         of asm_noperands result.
15321
15322 2004-07-08  Richard Henderson  <rth@redhat.com>
15323
15324         * config/cris/cris-protos.h (cris_expand_builtin_va_arg): Remove.
15325         * config/cris/cris.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
15326         (cris_gimplify_va_arg_expr): Rewrite from cris_expand_builtin_va_arg.
15327         * config/cris/cris.h (EXPAND_BUILTIN_VA_ARG): Remove.
15328
15329 2004-07-08  Richard Henderson  <rth@redhat.com>
15330
15331         * builtins.c (ind_gimplify_va_arg_expr): New.
15332         * tree.h (ind_gimplify_va_arg_expr): Declare.
15333         * config/arc/arc.c (arc_gimplify_va_arg_expr): Use it.
15334
15335 2004-07-08  Jan Beulich  <jbeulich@novell.com>
15336
15337         * expmed.c (extract_bit_field): Correct condition to use vec_extract
15338         patterns also on vector elements other than the first one.
15339         * config/i386/i386.md (vec_extractv2df, vec_extractv4sf): Add missing
15340         break statements.
15341
15342 2004-07-08  Geoffrey Keating  <geoffk@apple.com>
15343
15344         * config/rs6000/darwin-ldouble.c: Correct reference
15345         to the Linnainmaa paper.
15346
15347 2004-07-08  Richard Henderson  <rth@redhat.com>
15348
15349         * config/arc/arc-protos.h (arc_va_arg): Remove.
15350         * config/arc/arc.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
15351         (arc_gimplify_va_arg_expr): Rewrite from arc_va_arg.
15352         * config/arc/arc.h (EXPAND_BUILTIN_VA_ARG): Remove.
15353
15354         * config/c4x/c4x-protos.h (c4x_va_arg): Remove.
15355         * config/c4x/c4x.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
15356         (c4x_gimplify_va_arg_expr): Rewrite from c4x_va_arg.
15357         * config/c4x/c4x.h (EXPAND_BUILTIN_VA_ARG): Remove.
15358
15359 2004-07-08  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
15360
15361         * pa.md (prefetch_32, prefetch_64): Simplify constraint checks.
15362
15363 2004-07-08  Zack Weinberg  <zack@codesourcery.com>
15364
15365         * c-decl.c (static_ctors, static_dtors): Make static.
15366         (pop_file_scope): Call c_common_write_pch and
15367         cgraph_finalize_compilation_unit here.
15368         (build_cdtor): Moved here from c-objc-common.c; simplify.
15369         (c_write_global_declarations_1): Clarify comment.
15370         (c_write_global_declarations): Close the external scope before
15371         doing anything else.  Call build_cdtor, cgraph_optimize, and
15372         mudflap_finish_file here.
15373         * c-lang.c (finish_file): Don't call c_objc_common_finish_file.
15374         Clarify comment.
15375         * c-objc-common.c: No need to include cgraph.h.
15376         (build_cdtor): Moved to c-decl.c.
15377         (c_objc_common_finish_file): Delete.
15378         * c-tree.h: Update to match.
15379         * objc/objc-act.c (finish_file): Don't call c_objc_common_finish_file.
15380         (generate_static_references): Set TREE_USED before calling finish_decl.
15381         Eliminate unnecessary dummy declaration.  Call rest_of_decl_compilation
15382         on the static_instances_decl.
15383
15384 2004-07-08  Zack Weinberg  <zack@codesourcery.com>
15385
15386         * c-decl.c (pop_scope): Do not set DECL_CONTEXT on file-scope
15387         decls when there is only one input translation unit.
15388         * langhooks.c (lhd_set_decl_assembler_name): Partially revert
15389         change of 2004-07-05; do not treat declarations with
15390         DECL_CONTEXT a TRANSLATION_UNIT_DECL specially.
15391         * opts.c (cur_in_fname): Delete.
15392         * opts.h: Likewise.
15393         * tree.c: Revert changes of 2004-07-05; no special treatment
15394         for TRANSLATION_UNIT_DECLs.
15395         * Makefile.in (tree.o): Update dependencies.
15396
15397 2004-07-08  Roger Sayle  <roger@eyesopen.com>
15398
15399         * builtins.c (fold_builtin_strcpy): Merge functionality from
15400         simplify_builtin_strcpy.  Add additional len argument.  No longer
15401         static.  Remove function prototype.
15402         (fold_builtin_strncpy): Likewise integrate functionality from
15403         simplify_builtin_strncpy.  Add additional slen argument.  No
15404         longer static.  Remove function prototype.
15405         (simplify_builtin_strcy, simplify_builtin_strncpy): Delete.
15406         (simplify_builtin_fputs): Rename to fold_builtin_fputs.  Change
15407         types of "ignore" and "unlocked" parameters to bool.
15408         (fold_builtin_1):  Add additional ignore argument.  Call renamed
15409         fold_builtin_fputs to simplify GCC "fputs" and "fputs_unlocked"
15410         builtins.  Update arguments to fold_builtin_strncpy and
15411         fold_builtin_strcpy.  Add function prototype.
15412         (fold_builtin): Add additional Boolean ignore argument to pass
15413         to fold_builtin_1.
15414         (simplify_builtin): Call fold_builtin_fputs, fold_builtin_strcpy
15415         and fold_builtin_strncpy instead of simplify_builtin_fputs,
15416         simplify_builtin_strcpy and simplify_builtin_strncpy respectively.
15417
15418         * expr.h (simplify_builtin_fputs, simplify_builtin_strcpy,
15419         simplify_builtin_strncpy): Delete function prototypes.
15420         * tree.h (fold_builtin_fputs, fold_builtin_strcpy,
15421         fold_builtin_strncpy): Add function prototypes here.
15422         (fold_builtin): Update function prototype with new "bool ignore".
15423
15424         * tree-ssa-ccp.c (ccp_fold): Update call to fold_builtin.
15425         (ccp_fold_builtin):  Update call to fold_builtin.  Call
15426         fold_builtin_fputs, fold_builtin_strcpy and fold_builtin_strncpy
15427         instead of simplify_builtin_fputs, simplify_builtin_strcpy and
15428         simplify_builtin_strncpy respectively.
15429         * fold-const.c (fold): Update call to fold_builtin.
15430
15431 2004-07-08  Alexandre Oliva  <aoliva@redhat.com>
15432
15433         * builtins.c (expand_builtin_stpcpy): Un-simplify decay of stpcpy
15434         to strcpy.
15435
15436         * expr.h (FUNCTION_ARG_PARTIAL_NREGS): Default to 0.
15437         (FUNCTION_ARG_PASS_BY_REFERENCE): Likewise.
15438         (FUNCTION_ARG_CALLEE_COPIES): Likewise.
15439         * calls.c: Remove ifdefs of macros above.
15440         * functions.c: Likewise.
15441         * expr.c: Likewise.
15442
15443 2004-07-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
15444
15445         * config/sparc/sparc.md (UNSPECV_GOTO_V9): Delete.
15446         (arch attribute): Delete.
15447         (current_function_calls_alloca attribute): Rename into calls_alloca.
15448         (calls_eh_return): New attribute.
15449         (leaf_function): Likewise.
15450         (length attribute): Fix formula for sibcalls.
15451         (return insn): Correctly compute the 'length' attribute.
15452         (do_builtin_setjmp_setup): Adjust use of current_function_calls_alloca.
15453
15454 2004-07-08  Richard Henderson  <rth@redhat.com>
15455
15456         * tree-cfg.c (make_exit_edges): Use get_call_expr_in.
15457         (remove_useless_stmts_1, is_ctrl_altering_stmt): Likewise.
15458         (tree_block_ends_with_call_p, need_fake_edge_p): Likewise.
15459         * tree-eh.c (lower_eh_constructs_1): Likewise.
15460         * tree-sra.c (sra_walk_modify_expr): Likewise.
15461         * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Likewise.
15462         (eliminate_unnecessary_stmts): Likewise.
15463         * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
15464         * tree-tailcall.c (optimize_tail_call): Likewise.
15465         * tree-ssa-ccp.c (get_rhs, set_rhs): Reorg to use switch.
15466
15467 2004-07-08  Paolo Bonzini  <bonzini@gnu.org>
15468             Jakub Jelinek  <jakub@redhat.com>
15469
15470         * config/i386/i386.c (override_options): Enable
15471         SSE prefetches with -mtune, as long as we are
15472         compiling for i686 or higher.  All i686 processors
15473         accept SSE prefetches as NOPS, some i586's don't.
15474
15475 2004-07-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
15476
15477         PR target/10567
15478         * config/sparc/sparc.md (update_return): Honor flag_delayed_branch.
15479
15480 2004-07-08  Diego Novillo  <dnovillo@redhat.com>
15481
15482         * tree-ssa-operands.c (get_asm_expr_operands): Fix thinkos in
15483         the handling of clobbering ASM_EXPRs.
15484
15485 2004-07-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
15486
15487         PR target/16430
15488         * config/sparc/sparc.c (function_value): In 64-bit mode,
15489         return the aggregates larger than 16 bytes like unions.
15490
15491 2004-07-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
15492
15493         PR target/16199
15494         * config/sparc/sparc.c (sparc_emit_set_symbolic_const64): When
15495         'temp' is zero, generate new pseudos as needed and emit the
15496         sequence of insns in single-assignment form.  Resync comments
15497         with code.
15498         (sparc_emit_set_const64): Pass zero as 'temp' argument to above
15499         function before reload.
15500
15501 2004-07-08  Nathan Sidwell  <nathan@codesourcery.com>
15502
15503         * vec.c (vec_assert_fail): Remove duplicate 'function'.
15504
15505         * vec.c (vec_p_reserve, vec_o_reserve): Allocation is signed.
15506
15507         * vec.h (VEC_alloc, VEC_embedded_size, VEC_embedded_init):
15508         Allocation is signed.
15509         (VEC_reserve): Return flag, allocation is signed.
15510
15511 2004-07-08  Richard Henderson  <rth@redhat.com>
15512
15513         * tree-ssa-ccp.c (fold_stmt): Get type directly from
15514         OBJ_TYPE_REF_OBJECT.
15515
15516 2004-07-08  Joseph S. Myers  <jsm@polyomino.org.uk>
15517             Neil Booth  <neil@daikokuya.co.uk>
15518
15519         PR c/2511
15520         PR c/3325
15521         * c-decl.c (finish_struct): Ensure bit-fields are given the
15522         correct type.
15523         * c-common.c (c_common_signed_or_unsigned_type): For C, require
15524         the precision to match as well as the mode.
15525         * expr.c (reduce_to_bit_field_precision): New function.
15526         (expand_expr_real_1): Reduce expressions of bit-field type to
15527         proper precision.
15528         * langhooks.h (reduce_bit_field_operations): New hook.
15529         * langhooks-def.h (LANG_HOOKS_REDUCE_BIT_FIELD_OPERATIONS):
15530         Define.
15531         * c-lang.c, objc/objc-lang.c
15532         (LANG_HOOKS_REDUCE_BIT_FIELD_OPERATIONS): Define.
15533         * objc/objc-act.c (check_ivars): Convert types to bit-field types
15534         before checking.
15535         * tree.c (build_nonstandard_integer_type): New function.
15536         * tree.h (build_nonstandard_integer_type): New prototype.
15537         * tree-ssa.c (tree_ssa_useless_type_conversion_1): Don't treat
15538         conversions between integer and boolean types as useless.
15539
15540 2004-07-08  Paolo Bonzini  <bonzini@gnu.org>
15541
15542         * c-common.c (c_common_nodes_and_builtins): Do not
15543         create __builtin_ptrdiff_t and __builtin_size_t.
15544
15545 2004-07-08  Andrew Pinski  <apinski@apple.com>
15546
15547         * Makefile.in (libbackend.o): Add -combine to the gcc
15548         command line.
15549
15550 2004-07-08  Nick Clifton  <nickc@redhat.com>
15551
15552         * config/stormy16/t-stormy16 (TARGET_LIBGCC2_CFLAGS): Define.
15553         Set to -Os.
15554
15555 2004-07-08  Richard Henderson  <rth@redhat.com>
15556
15557         * except.c (expand_eh_region_start, expand_eh_region_end,
15558         expand_eh_handler, expand_eh_region_end_cleanup,
15559         expand_start_all_catch, expand_start_catch, expand_end_catch,
15560         expand_end_all_catch, expand_eh_region_end_allowed,
15561         expand_eh_region_end_must_not_throw, expand_eh_region_end_throw,
15562         expand_eh_region_end_fixup): Remove.
15563         * stmt.c (struct nesting): Remove stack_level, innermost_stack_block,
15564         cleanups, outer_cleanups, label_chain, exception_region.
15565         (struct goto_fixup): Remove stack_level, cleanup_list_list.
15566         (struct label_chain): Remove.
15567         (struct stmt_status): Remove x_stack_block_stack.
15568         (stack_block_stack, expand_goto_internal, expand_fixup, expand_fixups,
15569         fixup_gotos, save_stack_pointer, expand_decl_cleanup,
15570         expand_decl_cleanup_eh, expand_cleanups, start_cleanup_deferral,
15571         end_cleanup_deferral, last_cleanup_this_contour,
15572         containing_blocks_have_cleanups_or_stack_level,
15573         any_pending_cleanups): Remove.
15574         (expand_null_return_1): Take no arguments.
15575         (expand_label, expand_naked_return, expand_return,
15576         expand_start_bindings_and_block, expand_end_bindings, expand_decl,
15577         expand_anon_union_decl, expand_start_case, pushcase, pushcase_range,
15578         expand_end_case_type): Don't use any of them.
15579         * calls.c (expand_call): Likewise.
15580         * dojump.c (do_jump): Likewise.
15581         * function.c (expand_function_end): Likewise.
15582         * expr.c (store_expr, expand_expr_real_1): Likewise.
15583         (safe_from_p): Don't handle WITH_CLEANUP_EXPR, CLEANUP_POINT_EXPR.
15584         (expand_expr_real_1): Don't handle WITH_CLEANUP_EXPR,
15585         CLEANUP_POINT_EXPR, TARGET_EXPR, TRY_CATCH_EXPR, CATCH_EXPR,
15586         EH_FILTER_EXPR, TRY_FINALLY_EXPR, GOTO_SUBROUTINE_EXPR.
15587         * fold-const.c (fold_checksum_tree): Use first_rtl_op.
15588         * gengtype.c (adjust_field_tree_exp): Remove rtl op handling.
15589         * gimplify.c (gimplify_cleanup_point_expr): Renumber operands
15590         for WITH_CLEANUP_EXPR.
15591         (gimple_push_cleanup): Likewise.
15592         * integrate.c (copy_decl_for_inlining): Don't DECL_TOO_LATE.
15593         * print-tree.c (print_node): Likewise.
15594         * tree-pretty-print.c (dump_generic_node): Remove GOTO_SUBROUTINE_EXPR.
15595         * tree.c (first_rtl_op): Always just TREE_CODE_LENGTH.
15596         (has_cleanups): Remove GOTO_SUBROUTINE_EXPR.
15597         * tree.def (WITH_CLEANUP_EXPR): Remove op1 and op2.
15598         (GOTO_SUBROUTINE_EXPR): Remove.
15599         * tree.h (WITH_CLEANUP_EXPR_RTL): Remove.
15600         (DECL_TOO_LATE): Remove.
15601         * except.h, tree.h: Update decls.
15602
15603 2004-07-08  Paolo Bonzini  <bonzini@gnu.org>
15604
15605         * explow.c (optimize_save_area_alloca): Do not accept parameters.
15606         * passes.c (rest_of_handle_final): Handle symout.
15607         (rest_of_handle_new_regalloc, rest_of_handle_old_regalloc):
15608         Push timevar here.
15609         (rest_of_handle_sched): Break out SMS.  Remove ifs for
15610         flag_schedule_insns and flag_modulo_sched.
15611         (rest_of_handle_addressof, rest_of_handle_cse2): Garbage
15612         collect at the end.
15613         (rest_of_handle_gcse2): Put under timevar TV_RELOAD_CSE_REGS.
15614         (rest_of_handle_partition_blocks, rest_of_handle_sms,
15615         rest_of_handle_if_after_reload, rest_of_handle_peephole2,
15616         rest_of_handle_mode_switching, rest_of_handle_jump,
15617         rest_of_handle_guess_branch_prob, rest_of_handle_eh,
15618         rest_of_handle_jump2, rest_of_handle_postreload,
15619         rest_of_handle_flow2, rest_of_clean_state,
15620         rest_of_handle_shorten_branches,
15621         rest_of_handle_prologue_epilogue,
15622         rest_of_handle_branch_target_load_optimize): New.
15623         (rest_of_compilation): Call the above.  Remove ggc_collect
15624         calls moved to rest_of_handle_*.
15625         * rtl.h (optimize_save_area_alloca): Do not accept parameters.
15626
15627         * dwarf2out.c (dwarf2out_begin_prologue): Use TREE_NOTHROW.
15628         * except.c (set_nothrow_function_flags): Set TREE_NOTHROW.
15629         * except.h (set_nothrow_function_flags): Update comment.
15630         * function.c (current_function_nothrow): Remove.
15631         * output.h (current_function_nothrow): Remove.
15632         * passes.c (rest_of_compilation): Do not set TREE_NOTHROW.
15633         * config/arm/arm.c (arm_compute_func_type): Use TREE_NOTHROW.
15634
15635 2004-07-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
15636
15637         PR bootstrap/16326
15638         * reorg.c: Revert 2004-06-30 change.
15639         (find_end_label): If HAVE_epilogue and !HAVE_return,
15640         return 0 instead of creating a label at the end of the insn chain.
15641         (optimize_skip): Account for the failure mode of find_end_label.
15642         (fill_simple_delay_slots): Likewise.
15643         (fill_slots_from_thread): Likewise.
15644         (relax_delay_slots): Likewise.
15645
15646 2004-07-08  Diego Novillo  <dnovillo@redhat.com>
15647
15648         * tree-flow.h (addressable_vars): Declare.
15649         * tree-ssa-alias.c (addressable_vars): Define.
15650         (setup_pointers_and_addressables): Add addressable variables
15651         to addressable_vars.
15652         * tree-ssa-operands.c (get_stmt_operands): Move
15653         handling of ASM_EXPRs ...
15654         (get_asm_expr_operands): ... here.
15655         When the ASM_EXPR clobbers memory, also clobber addressable
15656         variables.
15657         * tree-ssa.c (init_tree_ssa): Initialize addressable_vars.
15658         (delete_tree_ssa): Reset addressable_vars.
15659
15660 2004-07-07  Jan Beulich  <jbeulich@novell.com>
15661             Richard Henderson  <rth@redhat.com>
15662
15663         * varasm.c (assemble_variable): Use assemble_zeros for
15664         zero-initialized variables.
15665         (categorize_decl_for_section): Honor flag_zero_initialized_in_bss
15666         for SECCAT_BSS and SECCAT_TBSS.
15667
15668 2004-07-07  Jan Beulich  <jbeulich@novell.com>
15669
15670         * varasm.c (asm_output_bss): Don't declare unless BSS_SECTION_ASM_OP.
15671
15672         * expmed.c (emit_store_flag): Also special-case double-word
15673         (in-)equality comparison against -1.
15674
15675         * config/i386/i386.c (ix86_gimplify_va_arg): Don't need temporary for
15676         passing arguments the containers for which are registers.
15677
15678         * calls.c (emit_library_call_value_1): Use mode of function parameter
15679         rather than that of argument since constants have none.
15680
15681 2004-07-08  Alexandre Oliva  <aoliva@redhat.com>
15682
15683         Introduce H8SX support.
15684         * expr.c (expand_strcpy): Renamed and moved to...
15685         * builtins.c (expand_movstr): ... here.  Tweak.
15686         (expand_builtin_strcpy): Adjust.  Use movstr if len can't be
15687         computed or has side effects.
15688         (expand_builtin_stpcpy): Likewise.  Use strcpy if return value is
15689         unused, or if mempcpy fails.  Adjust the return value in the
15690         latter case.  Use movstr if everything else fails.
15691         * doc/md.texi (movstr): Document.
15692         (movmemM, clrmemM): Fix explanation of memory block operands.
15693         * config/h8300/h8300.md (stpcpy): Renamed to...
15694         (movstr): ... this.  Adjust.
15695         2004-07-07  Alexandre Oliva  <aoliva@redhat.com>
15696         * config/h8300/h8300.md: Rename movstr*, except for movstrict*, to
15697         movmem* and clrstr* to clrmem*.
15698         2004-06-27  Alexandre Oliva  <aoliva@redhat.com>
15699         * config/h8300/h8300.c (h8300_reg_class_from_letter): Map 'D' to
15700         GENERAL_REGS, always.
15701         (h8300_swap_into_er6, h8300_swap_into_er6): Handle the case of
15702         getting the stack pointer as addr.
15703         * config/h8300/h8300.h (PREDICATE_CODES): Remove constant rtxes
15704         from general_operand_dst.
15705         * config/h8300/h8300.md (movmd_internal_normal): New, normal-mode
15706         variant of...
15707         (movmd_internal): ... this.  Add modes to operands.  Disparage `D'
15708         instead of requiring it to match only before reload.
15709         (stpcpy_internal_normal): New, normal-mode variant of...
15710         (stpcpy_internal): ... this.  Add modes to operands.  Disparage
15711         `D' instead of requiring it to match only before reload.
15712         * config/h8300/h8300-protos.h (h8300_legitimate_address_p): Add
15713         mode argument.
15714         * config/h8300/h8300.h (GO_IF_LEGITIMATE_ADDRESS): Pass it to...
15715         * config/h8300/h8300.c (h8300_legitimate_address_p): Pass it to
15716         h8300_get_index.
15717         * config/h8300/h8300.md (attr type): Add call.
15718         (attr can_delay): If type is call, set it no.
15719         (call, call_value): Set type to call.
15720         2004-06-21  Alexandre Oliva  <aoliva@redhat.com>
15721         * config/h8300/h8300.md (logicalhi3_sn, logicalsi3_sn): New.
15722         2004-06-16  Alexandre Oliva  <aoliva@redhat.com>
15723         * tree.c (get_narrower): Don't narrow integral types into
15724         non-integral types.
15725         * config/h8300/h8300.c (h8300_expand_epilogue): Initialize
15726         frame_size *before* the first use.
15727         * config/h8300/h8300.md (movstrictqi): Reintroduce post-increment
15728         on input.
15729         (peephole2): Don't widen instructions that push SP.  Move
15730         decrement of SP to the end of all stm-generating peepholes.
15731         2003-07-24  Richard Sandiford  <rsandifo@redhat.com>
15732         * config/h8300/h8300.md (insv): Prefer to use AND to clear a bitfield
15733         and OR to set it to all ones.
15734         2003-07-24  Richard Sandiford  <rsandifo@redhat.com>
15735         * config/h8300/h8300.md (can_delay): Default to "no" for bit branches.
15736         (call, call_value): Set can_delay to "no".
15737         2003-07-22  Richard Sandiford  <rsandifo@redhat.com>
15738         * config/h8300/h8300.md (extzv): Make subreg check more robust.
15739         2003-07-21  Richard Sandiford  <rsandifo@redhat.com>
15740         * config/h8300/h8300.md (*brabit): Remove.
15741         * config/h8300/h8300.md (*brabc, *brabs): Remove mode from
15742         zero_extract.  Use bit_memory_operand as the predicate for
15743         operand 1 and 'WU' as the constraint.  Check the difference
15744         between the base length and the final one when deciding which
15745         type of branch to use.
15746         2003-07-21  Richard Sandiford  <rsandifo@redhat.com>
15747         * config/h8300/h8300.md (extzv): Remove mode from operands 0 and 1.
15748         Use convert_move to extend the result for TARGET_H8300SX.  Check
15749         for QImode memory references.  Optimize the case where the
15750         destination is a paradoxical subreg.
15751         2003-07-21  Richard Sandiford  <rsandifo@redhat.com>
15752         * config/h8300/h8300.md (*movsf_h8sx): Add an r <- G alternative.
15753         * config/h8300/h8300.md (andqi): Remove bclr from h8sx version.
15754         2003-07-21  Richard Sandiford  <rsandifo@redhat.com>
15755         * config/h8300/h8300.md: Include mova.md
15756         (length_table): Add mova and mova_zero.
15757         * config/h8300/h8300.c (print_operand): Handle '%o'.  Print a length
15758         after all constant addresses for '%R', '%X', '%T' and '%S'.
15759         (h8300_mova_length): New function.
15760         (h8300_insn_length_from_table): Use it to handle mova and mova_zero.
15761         * config/h8300/t-h8300 (mova.md): Generate from genmova.sh.  Add to
15762         dependencies for s-config, etc.
15763         * config/h8300/gemova.sh: New file.
15764         * config/h8300/mova.md: Generated.
15765         2003-07-20  Alexandre Oliva  <aoliva@redhat.com>
15766         * config/h8300/h8300.c (h8300_bitfield_length): New.
15767         (nibble_operand): Adjust.
15768         (h8300_binary_length): Handle conditional binary op.
15769         (h8300_insn_length_from_table): Handle bitfield and bitbranch.
15770         * config/h8300/h8300.h: Change constraints W# and Y# to P#>X and
15771         P#<X, respectively.  The original P is now IP4>X.  Introduced P#>0
15772         and P#<0, unused so far.  W and Y are now prefixes to multi-letter
15773         constraints.  WU is introduced as a variant of U that requires a
15774         mem, and is therefore considered an EXTRA_MEMORY_CONSTRAINT.
15775         * config/h8300/h8300.md (attr type): Added bitbranch.
15776         (attr length_table): Added bitfield and bitbranch.
15777         (attr length): Compute bitbranch length.
15778         (andqi): Separate pattern for H8300SX.  Use bfld for loading the
15779         least-significant bit of a byte.
15780         (brabit, brabc, brabs): New.
15781         (insv, extzv): Emit bfst and bfld on H8300SX.
15782         (bfld, bfst, seq, sne): New.
15783         (bstzhireg, cmpstz, bstz, bistz): New.
15784         (cmpcondbset, condbset, cmpcondbclr, condbclr): New.
15785         (cmpcondbsetreg, condbsetreg, cmpcondbclrreg, condbclrreg): New.
15786         2003-07-11  Richard Sandiford  <rsandifo@redhat.com>
15787         * config/h8300/h8300.c (h8sx_binary_memory_operator): New function.
15788         (h8sx_unary_memory_operator): New function.
15789         * config/h8300/h8300.h (EXTRA_MEMORY_CONSTRAINT): Disable.
15790         (PREDICATE_CODES): Add h8sx_{unary,binary}_memory_operator.
15791         * config/h8300/h8300.md: Add peepholes to combine reloads and
15792         arithmetic insns.
15793         2003-07-10  Richard Sandiford  <rsandifo@redhat.com>
15794         * config/h8300/h830.md (cmpqi): Use 'i' rather than 'n' in constraints.
15795         (*cmphi_h8300hs, *addqi3, *addhi3_h8sx, subhi3): Likewise.
15796         (and?i, ior?i, xor?i): Likewise.
15797         2003-07-10  Richard Sandiford  <rsandifo@redhat.com>
15798         * config/h8300/h8300.c: Move enums and prototypes to head of file.
15799         Various whitespace fixes.
15800         (h8300_constant_length): New function, split out from...
15801         (h8300_displacement_size): ...here.  Rename h8300_displacement_length.
15802         (h8300_classify_operand): Use IN_RANGE.
15803         (h8300_classify_operand): Use h8300_constant_length.
15804         (h8300_short_move_mem_p): Tighten size check.
15805         (h8sx_mergeable_memrefs_p): Tighten equality check.
15806         2003-06-30  Richard Sandiford  <rsandifo@redhat.com>
15807         * config/h8300/h8300.h (TARGET_CPU_CPP_BUILTINS): Define __H8300SX__
15808         for -msx.
15809         * config/h8300/crti.asm: Use .h8300sx or .h8300sxn for -msx code.
15810         * config/h8300/crtn.asm: Likewise.
15811         * config/h8300/lib1funcs.asm: Likewise.  Use 32-bit pointers
15812         if __H8300SX__ is defined.
15813         2003-06-27  Richard Sandiford  <rsandifo@redhat.com>
15814         * config/h8300/h8300-protos.h (h8300_get_index): Add mode parameter.
15815         * config/h8300/h8300.h (GO_IF_LEGITIMATE_ADDRESS): Update accordingly.
15816         (GO_IF_MODE_DEPENDENT_ADDRESS): Treat POST_DEC, PRE_INC and indexed
15817         addresses as mode-dependent.
15818         * config/h8300/h8300.c (print_operand_address): Update call to
15819         h8300_get_index.
15820         (h8300_get_index): Take a mode argument.  Rework to fix an
15821         earlier misunderstanding.
15822         2003-06-26  Richard Sandiford  <rsandifo@redhat.com>
15823         * config/h8300/h8300.c (zero_extendqisi2): Force the source operand
15824         into a register if TARGET_H8300SX.
15825         (*zero_extendqisi2_h8300hs, *extendqisi2_h8300): Disable for
15826         TARGET_H8300SX.  Also disable related define_splits.
15827         (*zero_extendqisi2_h8sx, *extendqisi2_h8sx): New patterns.
15828         2003-06-23  Richard Sandiford  <rsandifo@redhat.com>
15829         * config/h8300/h8300.c (h8300_rtx_costs): Add h8sx handling.
15830         2003-06-20  Richard Sandiford  <rsandifo@redhat.com>
15831         * config/h8300/h8300.h (OK_FOR_Z): New macro.
15832         (EXTRA_CONSTRAINT_STR): Check it.
15833         * config/h8300/h8300.c (h8300_classify_operand): Accept null
15834         class arguments.
15835         (h8300_insn_length_from_table): Handle LENGTH_TABLE_MOV_IMM4.
15836         * config/h8300/h8300.md (length_table): Add mov_imm4.
15837         (movqi, movhi): Add Z <- W4 alternatives to h8sx patterns.
15838         2003-06-20  Richard Sandiford  <rsandifo@redhat.com>
15839         * genattrtab.c (write_eligible_delay): Allow candidate_insn to
15840         be a label.
15841         * config/h8300/h8300.h (DELAY_SLOT_LENGTH): New macro.
15842         * config/h8300/h8300.c (h8300_reorg): New function.
15843         (TARGET_MACHINE_DEPENDENT_REORG): Define.
15844         * config/h8300/h8300.md (length): Subtract the length of the
15845         delay slot from (pc) when checking the range of forward branches.
15846         (delay_slot, can_delay): New attributes.
15847         (define_delay): Add bra/s handling.
15848         (movmd_internal, return_h8sx, *return_1): Set can_delay to no.
15849         (jump): Add delayed-branch handling.
15850         2003-06-17  Richard Sandiford  <rsandifo@redhat.com>
15851         * expr.c (expand_strcpy): New function.
15852         * builtins.c (expand_builtin_strcpy): Fall back on expand_strcpy.
15853         (expand_builtin_stpcpy): Likewise.
15854         * config/h8300/h8300-protos.h (h8sx_split_movmd): Remove.
15855         (h8300_swap_into_er6, h8300_swap_out_of_er6): Declare.
15856         * config/h8300/h8300.c (h8300_reg_class_from_letter): Tweak 'd'
15857         handling to improve register allocation for -fno-omit-frame-pointer.
15858         (h8sx_split_movmd): Delete, moving er6 handling into...
15859         (h8300_swap_into_er6, h8300_swap_out_of_er6): ...these new functions.
15860         * config/h8300/h8300.md (UNSPEC_STPCPY): New unspec constant.
15861         (movmd): Add calls to copy_rtx.
15862         (movmd_internal): In the second alternative, allow the initial and
15863         final destination registers to be different .  Update the splitter
15864         accordingly.  Call h8300_swap_into_er6 and h8300_swap_out_of_er6
15865         instead of h8sx_split_movmd.
15866         (stpcpy, movsd): New expanders.
15867         (movsd_internal): New define_insn.
15868         2003-06-13  Richard Sandiford  <rsandifo@redhat.com>
15869         * config/h8300/h8300-protos.h (h8300_reg_class_from_letter): Declare.
15870         (h8sx_emit_movmd, h8sx_split_movmd): Declare.
15871         * config/h8300/h8300.h (reg_class): Add COUNTER_REGS, SOURCE_REGS
15872         and DESTINATION_REGS.
15873         (REG_CLASS_NAMES, REG_CLASS_CONTENTS): Update accordingly.
15874         (REGNO_REG_CLASS): Map er4, er5 and er6 to the new classes.
15875         (REG_CLASS_FROM_LETTER): Use h8300_reg_class_from_letter.
15876         (h8300_move_ratio): Declare.
15877         (MOVE_RATIO): Use it.
15878         * config/h8300/h8300.c (h8300_move_ratio): New variable.
15879         (h8300_init_once): Initialize it.
15880         (h8300_reg_class_from_letter): New function.
15881         (print_operand): Add an 'm' prefix for printing ".b", ".w" or ".l".
15882         (h8sx_emit_movmd, h8sx_split_movmd): New functions.
15883         * config/h8300/h8300.md (UNSPEC_MOVMD): New unspec constant.
15884         (COUNTER_REG, SOURCE_REG, DESTINATION_REG): New register constants.
15885         (movstrsi, movmd): New expanders.
15886         (movmd_internal): New insn.
15887         2003-06-06  Richard Sandiford  <rsandifo@redhat.com>
15888         * config/h8300/h8300.h (EXTRA_MEMORY_CONSTRAINT): Define.
15889         2003-06-04  Richard Sandiford  <rsandifo@redhat.com>
15890         * config/h8300/elf.h (LINK_SPEC): Use -m h8300sxnelf for -msx -mn.
15891         * config/h8300/h8300.c (asm_file_start): Use .h8300sxn likewise.
15892         2003-06-03  Richard Sandiford  <rsandifo@redhat.com>
15893         * config/h8300/h8300.c (nibble_operand): Fix warning.
15894         * config/h8300/h8300.md (movstricthi): Set adjust_length to no.
15895         (movsi_h8sx): Likewise here and the normal h8sx movhi pattern.
15896         (movsf_h8300h): Disable for TARGET_H8300SX.
15897         2003-06-03  Richard Sandiford  <rsandifo@redhat.com>
15898         * config/h8300/h8300.h (PREDICATE_CODES): Add h8300_ldm_parallel,
15899         h8300_stm_parallel and h8300_return_parallel.
15900         * config/h8300/h8300.c (h8300_push_pop, h8300_stack_offset_p,
15901         h8300_ldm_stm_regno, h8300_ldm_stm_parallel, h8300_ldm_parallel,
15902         h8300_stm_parallel, h8300_return_parallel): New functions.
15903         (h8300_expand_prologue): Don't enforce ldm/stm register alignment
15904         if TARGET_H8300SX.  Use h8300_push_pop.
15905         (h8300_expand_epilogue): Likewise.  Try to merge the return insn
15906         and final pop when generating h8sx code.  Always emit some form
15907         of return insn.
15908         * config/h8300/h8300.md: Don't enforce register alignment in
15909         stm peepholes if TARGET_H8300SX.
15910         (ldm_h8300s, stm_h8300s, return_h8sx): New patterns.
15911         (ldm_h8300s_[234], stm_h8300_[234]): Disable.
15912         (epilogue): Expect h8300_expand_epilogue to emit a return insn.
15913         2003-06-03  Richard Sandiford  <rsandifo@redhat.com>
15914         * config/h8300/t-h8300 (MULTILIB_OPTIONS): Add a -msx multilib.
15915         (MULTILIB_DIRNAMES): Add a directory for it.
15916         (MULTILIB_MATCHES): Delete.
15917         2003-05-28  Richard Sandiford  <rsandifo@redhat.com>
15918         * final.c (walk_alter_subreg): Handle addresses with subregs
15919         inside a ZERO_EXTEND or AND.
15920         * config/h8300/h8300-protos.h (h8300_get_index): Declare.
15921         * config/h8300/h8300.h (INDEX_REG_CLASS): Set to GENERAL_REGS
15922         if TARGET_H8300SX.
15923         (GO_IF_LEGITIMATE_ADDRESS): Use h8300_get_index.
15924         * config/h8300/h8300.c (print_operand_address): Handle @(dd,RnL.b),
15925         @(dd,Rn.w) and @(dd,ERn.L).
15926         (h8300_displacement_size): Take the whole address as argument.
15927         (h8300_classify_operand, h8300_short_move_mem_p): Adjust accordingly.
15928         2003-05-28  Richard Sandiford  <rsandifo@redhat.com>
15929         * config/mips/mips-protos.h (h8300_operands_match_p): Declare.
15930         (h8sx_mergeable_memrefs_p): Declare.
15931         * config/h8300/h8300.h (HAVE_POST_DECREMENT): Define to TARGET_H8300SX.
15932         (HAVE_PRE_INCREMENT): Likewise.
15933         (GO_IF_LEGITIMATE_ADDRESS): Accept pre/post increment/decrement
15934         addresses for TARGET_H8300SX,
15935         * config/h8300/h8300.c (print_operand_address): Deal with PRE_INC
15936         and POST_DEC.
15937         (movb_length_table, movl_length_table): New tables.
15938         (movw_length_table): Define to movb_length_table.
15939         (h8300_displacement_size): New, split out from...
15940         (h8300_classify_address): ...here.  Handle pre/post inc/dec.
15941         (h8300_short_immediate_length): Allow H8OP_MEM_COMPLEX operands.
15942         (h8300_insn_length_from_table): Add cases for movb, movw and movl.
15943         (h8sx_mergeable_memrefs_p, h8300_operands_match_p): New functions.
15944         (output_plussi): Use add.l #xx:3,Rn and sub.l #xx:3,Rn for h8sx.
15945         (compute_plussi_length, compute_plussi_cc): Update accordingly.
15946         (h8sx_unary_shift_operator): Get the mode from the operator.
15947         (binary_shift_operator): Likewise.
15948         * config/h8300/h8300.md: If a peephole2 applies gen_lowpart to
15949         a memory reference, check whether the reference is offsettable.
15950         (length_table): Add movb, movw and movl.
15951         (movqi): Add new h8sx pattern.  Don't force one operand to be a
15952         register when generating h8sx code.
15953         (movhi, movsi, movsf): Likewise.
15954         (movstrictqi): Use the length_table attribute.
15955         (movstricthi): Likewise.  Add h8sx alternative for mov.w #xx:3,Rn.
15956         (addqi3): Split into a define_expand and define_insn.  Don't accept
15957         memory operands in the expander.  Use h8300_operands_match_p to
15958         check for matching operands in the define_insn.
15959         (subqi3, negqi2, one_cmplqi2): Likewise.
15960         (add[hs]i3): Don't accept memory operands in the expander.  Likewise
15961         in any patterns that are unused in h8sx code.  In the h8sx patterns,
15962         use h8300_operands_match_p to check whether operands match.
15963         (sub[hs]i3, and[hi]3, ior[hs]i3, xor[hs]i3, neg[hsi]3,
15964         one_cmpl[hs]i3): Likewise.
15965         (andqi3, iorqi3, xorqi3): Likewise.  Don't call fix_bit_operand
15966         in the expander.
15967         2003-05-23  Richard Sandiford  <rsandifo@redhat.com>
15968         * config/h8300/h8300-protos.h (expand_a_shift): Return a bool.
15969         (h8300_insn_length_from_table): Add a second parameter.
15970         (output_h8sx_shift): Declare.
15971         * config/h8300/h8300.h (OK_FOR_W, OK_FOR_Y): New macros.
15972         (EXTRA_CONSTRAINT): Replace with...
15973         (EXTRA_CONSTRAINT_STR): ...this.  Use OK_FOR_W and OK_FOR_Y.
15974         (CONSTRAINT_LEN): Define, returning 2 for 'W' and 'Y'.
15975         (PREDICATE_CODES): Add entries for h8sx_unary_shift_operator
15976         and h8sx_binary_shift_operator.
15977         * config/h8300/h8300.c (two_insn_adds_subs_operand): Return false
15978         for TARGET_H8300SX.
15979         (bit_operand): Replace use of EXTRA_CONSTRAINT with OK_FOR_U.
15980         (bit_memory_operand, fix_bit_operand): Likewise.
15981         (h8300_length_table_for_insn): Remove.
15982         (h8300_classify_operand): Fix check for 16-bit operands in 32-bit
15983         instructions.
15984         (h8300_short_immediate_length, h8300_binary_length): New functions.
15985         (h8300_insn_length_from_table): Add an opcodes parameter.  Rework.
15986         (output_plussi): Use sub to add negative constants.
15987         (compute_plussi_length): Adjust accordingly.
15988         (h8sx_single_shift_type): New enum.
15989         (h8sx_single_shift, h8sx_unary_shift_operator,
15990         h8sx_binary_shift_operator, output_h8sx_shift): New functions.
15991         (expand_a_shift, expand_a_rotate): Emit nothing if the shift is a
15992         single h8sx instruction.  Return false in this case.
15993         * config/h8300/h8300.md (length_table): Add short_immediate.
15994         (length): Pass the operand array to h8300_insn_length_from_table.
15995         (adjust_length): Assume "no" for insns with a length_table attribute.
15996         (*cmphi_h8300hs, cmpsi): Add alternatives for #xx:3.
15997         (*addhi3_h8300hs): Don't use for h8sx.
15998         (*addhi3_h8sx): New pattern, with alternatives for add.w #xx:3
15999         and sub.w #xx:3.
16000         (ashl[qhs]i3, lshr[qhs]i3, ashr[qhs]i3, rotl[qhs]i3): Change operand
16001         1's predicate to nonimmediate_operand.  Only skip default expansion
16002         if expand_a_shift or expand_a_rotate returns true.  Add new patterns
16003         for single h8sx shift instructions.
16004         2003-05-22  Alexandre Oliva  <aoliva@redhat.com>
16005         * config/h8300/h8300.c (nibble_operand): Split out of...
16006         (reg_or_nibble_operand): ... this.
16007         * config/h8300/h8300.h (PREDICATE_CODES): Added nibble_operand.
16008         * config/h8300/h8300.md: (mulqihi3, mulhisi3, umulqihi3,
16009         umulhisi3): Introduce expand, and introduce separate insns for
16010         sign- or zero-extended REG and already-extended CONST_INT.
16011         2003-05-20  Richard Sandiford  <rsandifo@redhat.com>
16012         * config/h8300/h8300.c (h8300_unary_length): Fix miscounting.
16013         * config/h8300/h8300.md (subqi3): Generalize for h8sx.
16014         (subhi3): Likewise.  Don't accept immediates for operand 1.
16015         Remove the early clobber from second alternative of the h8300s pattern.
16016         (subsi3): Generalize for h8sx.  Force operand 2 into a register
16017         on plain h8300 targets.
16018         (subsi3_h8300): Use h8300_dst_operand for consistency with expander.
16019         (subsi3_h8300h): Generalize for h8sx.
16020         (one_cmplqi2, one_cmplhi2, one_cmplsi2): Likewise.
16021         2003-05-19  Alexandre Oliva  <aoliva@redhat.com>
16022         * config/h8300/h8300.c (reg_or_nibble_operand): New.
16023         * config/h8300/h8300.h (PREDICATE_CODES): Adjust.
16024         (TARGET_H8300SXMUL): New.
16025         (CONST_OK_FOR_P): New.
16026         (CONST_OK_FOR_LETTER_P): Adjust.
16027         * config/h8300/h8300.md (mulqihi3, mulhisi3, umulqihi3,
16028         umulhisi3): Accept 4-bit immediate on H8SX.
16029         (mulhi3, mulsi3, smulsi3_highpart, umulsi3_highpart): New.
16030         (udivsi3, divhi3, udivsi3, divsi3): New.
16031         2003-05-19  Richard Sandiford  <rsandifo@redhat.com>
16032         * config/h8300/h8300-protos.h (h8300_insn_length_from_table): Declare.
16033         * config/h8300/h8300.h (OK_FOR_Q): New macro.
16034         (EXTRA_CONSTRAINT): Use it to check the 'Q' constraint.
16035         (PREDICATE_CODES): Add h8300_src_operand and h8300_dst_operand.
16036         Add ADDRESSOF to the bit_operand entry.
16037         * config/h8300/h8300.c (h8300_dst_operand): New predicate.
16038         (h8300_src_operand): Likewise.
16039         (bit_operand): Check nonimmediate_operand rather than general_operand.
16040         Accept any nonimmediate_operand in h8sx code.
16041         (h8300_and_costs): Initialize operands[1].
16042         (h8300_rtx_costs) <AND>: Return false if the operands aren't valid.
16043         (h8300_operand_class): New enum.
16044         (h8300_length_table): New typedef.
16045         (addb_length_table, addw_length_table, addl_length_table,
16046         logicl_length_table): New tables.
16047         (logicb_length_table, logicw_length_table): New macros.
16048         (h8300_classify_operand, h8300_length_from_table,
16049         h8300_length_table_for_insn, h8300_unary_length,
16050         h8300_insn_length_from_table): New functions.
16051         (output_plussi): Only use adds and subs for register destinations.
16052         Disable redundant clause.
16053         (compute_plussi_cc): Likewise.
16054         (compute_plussi_length): Likewise.  Use h8300_length_from_table
16055         to work out the length of an insn.
16056         (output_logical_op): Only use narrower immediate instructions
16057         if the destination is a register.
16058         (compute_logical_op_cc): Likewise.
16059         (compute_logical_op_length): Likewise.  Use h8300_length_from_table.
16060         (h8300_adjust_insn_length): Tighten check for reg<->mem moves.
16061         * config/h8300/h8300.md (length_table): New attribute.
16062         (length): When an instruction has a length_table attribute, use
16063         h8300_insn_length_from_table to calculate its default length.
16064         (cmpqi): Use h8300_dst_operand for the first operand and
16065         h8300_src_operand for the second.
16066         (cmphi, *cmphi_h8300hs, cmpsi, negqi2, neghi2, neghi2_h8300h, negsi2,
16067         negsi2_h8300h, addqi3, addhi3, *addhi3_h8300, *addhi3_h8300hs, addsi3,
16068         addsi_h8300, addsi_h8300h, andhi3, andsi3, iorhi3,
16069         iorsi3, xorhi3, xorsi3): Likewise.
16070         (andqi3): Use h8300_src_operand for operand 2.  Adjust the condition
16071         so that it allows any combination of operands for TARGET_H8300SX.
16072         (iorqi3, xorqi3): Likewise.
16073         (cmpqi): Use the length_table attribute.
16074         (*cmphi_h8300hs, cmpsi, addqi, *addhi3_h8300hs, andqi3, iorqi3,
16075         xorqi3, negqi2, neghi2_h8300h, negsi2_h8300h): Likewise.
16076         (cmpqi): Add 'Q' constraint.
16077         (*cmphi_h8300hs, cmpsi, addqi, *addhi3_h8300hs, addsi_h8300h, andqi3,
16078         iorqi3, xorqi3, negqi2, neghi2_h8300h, negsi2_h8300h): Likewise.
16079         2003-05-14  Richard Sandiford  <rsandifo@redhat.com>
16080         * config/h8300/h8300.h (MASK_H8300SX): New macro.
16081         (TARGET_H8300S): True for both -ms and -msx.
16082         (TARGET_H8300SX): New macro.
16083         (TARGET_SWITCHES): Add entries for -msx and -mno-sx.
16084         * config/h8300/h8300.c (asm_file_start): Write .h8300sx for -msx.
16085         * config/h8300/elf.h (LINK_SPEC): Use -m h8300sxelf for -msx.
16086         * config/h8300/t-h8300 (MULTILIB_MATCHES): Use -ms multilibs for -msx.
16087         [Temporary change.]
16088         2003-02-28  Alexandre Oliva  <aoliva@redhat.com>
16089         * config/h8300/h8300.h (SIZE_TYPE, PTRDIFF_TYPE): Use short with
16090         16-bit pointers and 32-bit ints.
16091         * config/h8300/h8300.h (LEGITIMATE_CONSTANT_P): Accept
16092         CONST_DOUBLE with mode no wider than SImode.
16093         * config/h8300/h8300.md (extendqisi2_h8300): Add constraints for
16094         output operand.
16095         2003-02-27  Alexandre Oliva  <aoliva@redhat.com>
16096         * config/h8300/h8300.c (general_operand_src): Match CONSTANT_P_RTX
16097         or SUBREG thereof.
16098         * config/h8300/h8300.h (PREDICATE_CODES): Adjust.
16099         2003-02-22  Alexandre Oliva  <aoliva@redhat.com>
16100         * config/h8300/h8300.c (dosize): Truncate sign * size to Pmode.
16101
16102 2004-05-28  Aaron W. LaFramboise <aaronraolete36@aaronwl.com>
16103
16104         * config.gcc (i[34567]86-*-mingw32*): Enable threads by default.
16105
16106 2004-07-07  Per Bothner  <per@bothner.com>
16107
16108         * flow.c (attempt_auto_inc):  Remove now-redundant PUT_CODE.
16109
16110 2004-07-07  Mike Stump  <mrs@apple.com>
16111
16112         * darwin.h (ASM_OUTPUT_LABELREF): Fix -fno-leading-underscore.
16113         * darwin.c (machopic_non_lazy_ptr_name, machopic_stub_name)
16114         (machopic_finish): Likewise.
16115
16116 2004-07-07  Richard Henderson  <rth@redhat.com>
16117
16118         * tree-ssa-dom.c (simplify_switch_and_lookup_avail_expr): Look
16119         through any value-preserving cast.
16120
16121 2004-07-07  Alexandre Oliva  <aoliva@redhat.com>
16122
16123         * function.c (assign_parm_find_data_types): Call
16124         FUNCTION_ARG_PASS_BY_REFERENCE only if it's defined.
16125
16126 2004-07-07  Steven Bosscher  <stevenb@suse.de>
16127
16128         * tree-cfg.c (group_case_labels): Remove case labels that have
16129         the same target as the default case.
16130
16131 2004-07-07  Steven Bosscher  <stevenb@suse.de>
16132
16133         * tree-inline.c (optimize_inline_calls): Set DECL_INLINED_FNS
16134         regardless of DECL_LANG_SPECIFIC being present or not.
16135         * tree.h (DECL_NUM_STMTS): Purge.
16136
16137 2004-07-07  Andrew Pinski  <apinski@apple.com>
16138
16139         * configure: Regenerate with the right autoconf.
16140
16141 2004-07-07  David Edelsohn  <edelsohn@gnu.org>
16142
16143         * ifcvt.c (total_bb_rtx_cost): New function.
16144         (find_if_case_1): Compare rtx_cost of basic block to cost of
16145         BRANCH_COST insns.
16146         (find_if_case_2): Same.
16147
16148 2004-07-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
16149
16150         PR target/10567
16151         * config/sparc/sparc.c (load_pic_register): Honor flag_delayed_branch.
16152         (output_return): Likewise.
16153         (output_sibcall): Abort if !flag_delayed_branch.
16154         (sparc_function_ok_for_sibcall): Return 0 if !flag_delayed_branch.
16155         (emit_and_preserve): New function.
16156         (sparc_output_mi_thunk): Use it.  Honor flag_delayed_branch.  Emit an
16157         indirect jump to the thunked-to function if !flag_delayed_branch.
16158         * config/sparc/sparc.md (delayed_branch): New attribute.
16159         (load_pcrel_sym): Honor flag_delayed_branch.  Use above
16160         attribute to compute the length of the insn.
16161         (goto_handler_and_restore): Likewise.
16162
16163 2004-07-07  Andrew Pinski  <apinski@apple.com>
16164
16165         PR tree-optimization/15777
16166         * fold-const.c (fold_single_bit_test): Fold the x^1 expression.
16167
16168         * expr.c (expand_expr_real_1): Fix formating.
16169         BUFFER_REF and IN_EXPR are dead.
16170         * fold-const.c (non_lvalue): BUFFER_REF is dead.
16171         * tree-inline.c (estimate_num_insns_1): Likewise.
16172         * tree-pretty-print.c (dump_generic_node): BUFFER_REF,
16173         IN_EXPR, SET_LE_EXPR, and CARD_EXPR are dead.
16174         * tree.def (BUFFER_REF, IN_EXPR, SET_LE_EXPR, CARD_EXPR): Kill.
16175
16176 2004-07-07  H.J. Lu  <hongjiu.lu@intel.com>
16177
16178         * collect2.c (dump_file): Don't call cplus_demangle if
16179         HAVE_LD_DEMANGLE is defined.
16180         (main): Pass "--demangle" to ld if no_demangle is not 0 and
16181         HAVE_LD_DEMANGLE is defined. Don't set current_demangling_style
16182         if HAVE_LD_DEMANGLE is defined.
16183
16184         * configure.ac (--with-demangler-in-ld): Added
16185         (HAVE_LD_DEMANGLE): Define if ld supports --demangle when
16186         --with-demangler-in-ld is used.
16187         * config.in: Regenerated.
16188         * configure: Likewise.
16189
16190 2004-07-07  Roger Sayle  <roger@eyesopen.com>
16191
16192         * config/rs6000/rs6000.c (struct processor_costs): Add new fields
16193         for simple floating point operations "fp", double precision
16194         multiplication "dmul", and single and double precision division
16195         "sdiv" and "ddiv".  Update all CPU variant tables as appropriate.
16196         (ppc630_cost): New table split from ppc620_cost, to distinguish
16197         differences in floating point latencies.
16198         (rs6000_override_options): Use ppc630_cost for PROCESSOR_PPC630.
16199         (rs6000_rtx_costs): Add support for single and double precision
16200         floating point addition, subtraction, multiplication, division,
16201         fused-multiply-add, fused-multiply-sub, negation, absolute value
16202         and negative absolute value.  Tweak MEM case to use prefered idiom.
16203
16204 2004-07-07  Richard Henderson  <rth@redhat.com>
16205
16206         * tree-flow-inline.h (may_propagate_copy): Move...
16207         * tree-ssa-copy.c (may_propagate_copy): ... here.  Fail if we
16208         attempt to copy between types requiring conversion.
16209         * tree-flow.h (may_propagate_copy): Update decl.
16210         * tree-ssa-dom.c (cprop_operand): Tidy redundant tests.
16211
16212 2004-07-07  Jakub Jelinek  <jakub@redhat.com>
16213
16214         * config/i386/i386.c (override_options): Don't set x86_prefetch_sse
16215         from -mtune= option.
16216
16217 2004-07-07  Alexandre Oliva  <aoliva@redhat.com>
16218
16219         * builtins.c: Rename movstr*, except for movstrict*, to
16220         movmem* and clrstr* to clrmem*.
16221         * expr.c: Likewise.
16222         * expr.h: Likewise.
16223         * genopinit.c: Likewise.
16224         * integrate.c: Likewise.
16225         * local-alloc.c: Likewise.
16226         * optabs.c: Likewise.
16227         * optabs.h: Likewise.
16228         * config/alpha/alpha.h: Likewise.
16229         * config/alpha/alpha.md: Likewise.
16230         * config/arm/arm-protos.h: Likewise.
16231         * config/arm/arm.c: Likewise.
16232         * config/arm/arm.md: Likewise.
16233         * config/avr/avr.md: Likewise.
16234         * config/c4x/c4x.c: Likewise.
16235         * config/c4x/c4x.md: Likewise.
16236         * config/frv/frv.md: Likewise.
16237         * config/i386/i386-protos.h: Likewise.
16238         * config/i386/i386.c: Likewise.
16239         * config/i386/i386.h: Likewise.
16240         * config/i386/i386.md: Likewise.
16241         * config/i860/i860.c: Likewise.
16242         * config/i860/i860.md: Likewise.
16243         * config/ip2k/ip2k.md: Likewise.
16244         * config/ip2k/libgcc.S: Likewise.
16245         * config/ip2k/t-ip2k: Likewise.
16246         * config/m32r/m32r.c: Likewise.
16247         * config/m32r/m32r.md: Likewise.
16248         * config/mcore/mcore.md: Likewise.
16249         * config/mips/mips.c: Likewise.
16250         * config/mips/mips.md: Likewise.
16251         * config/ns32k/ns32k.c: Likewise.
16252         * config/ns32k/ns32k.h: Likewise.
16253         * config/ns32k/ns32k.md: Likewise.
16254         * config/pa/pa.c: Likewise.
16255         * config/pa/pa.md: Likewise.
16256         * config/pdp11/pdp11.h: Likewise.
16257         * config/pdp11/pdp11.md: Likewise.
16258         * config/rs6000/rs6000.c: Likewise.
16259         * config/rs6000/rs6000.md: Likewise.
16260         * config/s390/s390-protos.h: Likewise.
16261         * config/s390/s390.c: Likewise.
16262         * config/s390/s390.md: Likewise.
16263         * config/sh/lib1funcs.asm: Likewise.
16264         * config/sh/sh.c: Likewise.
16265         * config/sh/sh.md: Likewise.
16266         * config/sh/t-sh: Likewise.
16267         * config/sparc/sparc.h: Likewise.
16268         * config/vax/vax.md: Likewise.
16269         * config/xtensa/xtensa.c: Likewise.
16270         * config/xtensa/xtensa.md: Likewise.
16271         * doc/invoke.texi: Likewise.
16272         * doc/md.texi: Likewise.
16273         * doc/rtl.texi: Likewise.
16274
16275 2004-07-07  Richard Sandiford  <rsandifo@redhat.com>
16276
16277         PR target/16407
16278         * config/mips/mips-protos.h (mips_declare_common_object): Declare.
16279         * config/mips/mips.c (mips_declare_common_object): New function,
16280         mostly split out from...
16281         (mips_output_aligned_decl_common): ...here.
16282         * config/mips/mips.h (ASM_OUTPUT_LOCAL): Remove in favor of...
16283         (ASM_OUTPUT_ALIGNED_LOCAL): ...this new definition.
16284         * config/mips/iris6.h (ASM_OUTPUT_ALIGNED_LOCAL): Undefine this
16285         rather than ASM_OUTPUT_LOCAL.  Call mips_declare_common_object.
16286
16287 2004-07-07  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
16288
16289         PR c/16392
16290         * function.c (assign_parms): Fix typo from previous change.
16291
16292 2004-07-07  Jason Merrill  <jason@redhat.com>
16293
16294         PR c++/15815
16295         * doc/extend.texi (C++ Interface): Correct information and
16296         discourage use.
16297
16298 2004-07-07  Vladimir Makarov  <vmakarov@redhat.com>
16299
16300         PR target/16130
16301         PR target/16142
16302         PR target/16143
16303         * config/ia64/ia64.c (ia64_dfa_new_cycle): Reset DFA state for asm
16304         insn.
16305
16306 2004-07-06  Kazuhiro Inaoka  <inaoka.kazuhiro@renesas.com>
16307
16308         PR target/1679.
16309         * config/m32r/m32r.c (m32r_function_symbol): New function:
16310         Generate a symbol name RTX with the correct m32r specific flags
16311         set.
16312         (block_move_call): Use new function to generate correct symbol.
16313         * config/m32r/m32r-protos.h: Add prototype for new funcion.
16314         * config/m32r/m32r.h (INITIALIZE_TRAMPOLINE): Use the new
16315         function.
16316
16317 2004-07-07  Nathan Sidwell  <nathan@codesourcery.com>
16318
16319         * tree.h (TYPE_BINFO_OFFSET, TYPE_BINFO_VTABLE,
16320         TYPE_BINFO_VIRTUALS, TYPE_BINFO_BASETYPES,
16321         TYPE_BINFO_BASETYPE): Remove.
16322         (BINFO_BASETYPES, BINFO_N_BASETYPES, BINFO_BASETYPE): Rename
16323         to ...
16324         (BINFO_BASE_BINFOS, BINFO_N_BASE_BINFOS, BINFO_BASE_BINFO): ...
16325         here.
16326         (BINFO_BASEACCESSES, BINFO_BASEACCESS): Rename to ...
16327         (BINFO_BASE_ACCESSES, BINFO_BASE_ACCESS): ... here.
16328         (BINFO_INHERITANCE_CHAIN): Redocument as it is actually used.
16329         (struct tree_binfo): Rename base_types to base_binfos.
16330         * alias.c (record_component_aliases): Adjust BINFO macros.
16331         * dbxout.c (dbxout_type): Likewise.
16332         * dwarf2out.c (gen_member_die): Likewise.
16333         * sdbout.c (sdbout_one_type): Likewise.
16334         * tree-dump.c (deque_and_dump): Likewise.
16335         * config/i386/i386.c (classify_argument,
16336         contains_128bit_aligned_vector_p): Likewise.
16337
16338 2004-07-07  Nick Clifton  <nickc@redhat.com>
16339
16340         * config/fr30/fr30.c (fr30_setup_incoming_varargs): Change
16341         arguments to match TARGET_SETUP_INCOMING_VARARGS prototype.
16342
16343 2004-07-07  Nathan Sidwell  <nathan@codesourcery.com>
16344
16345         * vec.h: Fix the example use.
16346
16347 2004-07-06  Richard Henderson  <rth@redhat.com>
16348
16349         * langhooks-def.h (LANG_HOOKS_GIMPLE_BEFORE_INLINING): Remove.
16350         * langhooks.h (struct lang_hooks): Remove gimple_before_inlining.
16351         * tree-inline.c (copy_body_r, setup_one_parameter,
16352         initialize_inlined_parameters, expand_call_inline,
16353         declare_inline_vars): Don't check it.
16354         (expand_calls_inline): Remove old version, rename new version
16355         from gimple_expand_calls_inline.
16356         * tree-optimize.c (execute_gimple): Remove.
16357         (pass_gimple): Don't run anything.
16358
16359 2004-07-06  Joseph S. Myers  <jsm@polyomino.org.uk>
16360
16361         * doc/sourcebuild.texi: Use semicolons instead of commas in
16362         section title.
16363
16364 2004-07-06  Richard Henderson  <rth@redhat.com>
16365
16366         * tree-sra.c (struct sra_walk_fns): Revert 2004-07-05 change.
16367         (sra_walk_modify_expr, scan_init): Likewise.
16368         (generate_element_zero): Check visited before scanning children.
16369         (generate_element_init): Set visited on error.
16370         (scalarize_init): Handle generate_element_init failure similar
16371         to use_block_copy.
16372
16373 2004-07-06  Joseph S. Myers  <jsm@polyomino.org.uk>
16374
16375         * toplev.h (NO_FRONT_END_DIAG, ATTRIBUTE_GCC_FE_DIAG): Define.
16376         (warning, error, pedwarn, sorry): Use ATTRIBUTE_GCC_FE_DIAG.
16377
16378 2004-07-06  Richard Henderson  <rth@redhat.com>
16379
16380         * config/i386/i386.c (legitimize_pic_address): Make static.
16381         (legitimize_address): Handle CONST with TLS operand.
16382         (ix86_expand_move): Don't call legitimize_pic_address directly.
16383         * config/i386/i386-protos.h (legitimize_pic_address): Remove.
16384
16385 2004-07-06  Roger Sayle  <roger@eyesopen.com>
16386
16387         * ifcvt.c (struct noce_if_info): Add a Boolean b_unconditional field.
16388         (noce_try_sign_mask): Tweak rtx_cost check if t is evaluated anyway.
16389         (noce_process_if_block): Initialize if_info.b_unconditional if insn_b
16390         is currently executed unconditionally, i.e. not in "else_bb".
16391
16392 2004-07-06  Steven Bosscher  <stevenb@suse.de>
16393
16394         * config/alpha/alpha.c (alpha_use_dfa_pipeline_interface): Remove.
16395         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
16396         * config/arm/arm.c (arm_use_dfa_pipeline_interface): Remove.
16397         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
16398         * config/frv/frv.c (frv_use_dfa_pipeline_interface): Remove.
16399         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
16400         * config/i386/i386.c (ia32_use_dfa_pipeline_interface): Remove.
16401         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
16402         * config/ia64/ia64.c (ia64_use_dfa_pipeline_interface): Remove.
16403         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
16404         * config/pa/pa.c (hhpa_use_dfa_pipeline_interface): Remove.
16405         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
16406         * config/sparc/sparc.c (sparc_use_dfa_pipeline_interface): Remove.
16407         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
16408         * config/v850/v850.c (v850_use_dfa_pipeline_interface): Remove.
16409         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
16410
16411 2004-07-06  Daniel Berlin  <dberlin@dberlin.org>
16412
16413         * dojump.c (do_jump): REFERENCE_EXPR is dead.
16414         * expr.c (expand_expr_real_1): Ditto.
16415         * tree-inline.c (estimate_num_insns_1): Ditto.
16416         * tree-pretty-print.c (dump_generic_node): Ditto.
16417         (op_symbol): Ditto.
16418         * tree.def: Ditto.
16419
16420 2004-07-06  Daniel Berlin  <dberlin@dberlin.org>
16421
16422         * tree-ssa-pre.c (reference_node_pool): New pool.
16423         (find_or_generate_expression): Class 'r' is okay too.
16424         (create_value_expr_from): Ditto.
16425         (add_to_sets): LHS should not include vuses.
16426         (eliminate): Ditto.
16427         (compute_avail): Reverse ordering of tests.
16428         Valuize INDIRECT_REF as well.
16429
16430 2004-07-06  Richard Sandiford  <rsandifo@redhat.com>
16431
16432         PR rtl-optimization/16380
16433         * loop.c (check_dbra_loop): Sink comparison instructions if they
16434         do something other than set cc0.
16435
16436 2004-07-06  James E Wilson  <wilson@specifixinc.com>
16437
16438         * doc/interface.texi (longjmp and automatic variables): Delete
16439         paragraph recommending taking the address of a variable.
16440
16441 2004-07-06  Nathan Sidwell  <nathan@codesourcery.com>
16442
16443         * vec.h (VEC_embedded_alloc): Remove.
16444         (VEC_embedded_size, VEC_embedded_init): New.
16445         (VEC_alloc, VEC_reserve, VEC_safe_push, VEC_safe_insert): Add
16446         MEM_STAT_INFO.
16447         (VEC_truncate): New.
16448         (vec_p_reserve, vec_o_reserve): Add MEM_STAT_DECL.
16449         (vec_embedded_alloc): Remove.
16450         * vec.c (vec_p_reserve, vec_o_reserve): Add MEM_STAT_DECL, adjust.
16451         (vec_embedded_alloc): Remove.
16452
16453 2004-07-06  Mark Mitchell  <mark@codesourcery.com>
16454
16455         * Makefile.in (langhooks.o): Do not depend on gt-langhooks.h.
16456         (gt-langhooks.h): Remove.
16457
16458 2004-07-06  George Helffrich <george@gly.bris.ac.uk>
16459
16460         * xcoffout.h (DBX_FINISH_SYMBOL): Fix typo.
16461
16462 2004-07-06  Eric Botcazou  <ebotcazou@libertysurf.fr>
16463
16464         * config/sparc/sparc.c (get_pc_symbol): Rename into
16465         add_pc_to_pic_symbol.
16466         (get_pc_symbol_name): Rename into add_pc_to_pic_symbol_name.
16467         (load_pic_register): Account for previous changes.
16468         Use reg_names.  Don't create the label twice.
16469         * config/sparc/sparc.md (UNSPEC_GET_PC): Rename into
16470         UNSPEC_LOAD_PCREL_SYM.
16471         (get_pc): Rename into load_pcrel_sym.  Add predicate to
16472         operands.  Remove condition.
16473
16474 2004-07-06  Nathan Sidwell  <nathan@codesourcery.com>
16475
16476         * dbxout.c (dbxout_type): Don't test whether the binfo slot of
16477         RECORD, UNION & QUAL_UNION is actually a binfo.
16478
16479         * tree.h (TREE_VIA_VIRTUAL): Rename to ...
16480         (BINFO_VIRTUAL_P): ... here. Require TREE_BINFO only.
16481         (BINFO_MARKED, BINFO_FLAG_[16]): New binfo flags.
16482         * dbxout.c (dbxout_type): Use BINFO_VIRTUAL_P.
16483         * dwarf2out.c (add_data_member_location_attribute): Likewise.
16484         (gen_inheritance_die): Likewise.
16485         * tree-dump.c (deque_and_dump): Likewise.
16486         * doc/c-tree.texi (Binfos): Add under reconstruction note.
16487
16488 2004-07-06  Steven Bosscher  <stevenb@suse.de>
16489
16490         * config/mcore/mcore.c (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE):
16491         Define.
16492         * config/mcore/mcore.md: Model memory latency with a simple DFA
16493         pipeline description instead of a define_function_unit.
16494
16495 2004-07-05  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
16496
16497         * langhooks-def.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Extra arg.
16498         * langhooks.h (var_mod_type_p): Likewise.
16499         * c-decl.c (finish_decl): Add extra arg to variably_modified_type_p.
16500         * expr.c (count_type_elements): Properly handle return from
16501         array_type_nelts and properly test for overflow.
16502         * gimplify.c (gimplify_init_constructor): Properly handle return
16503         from array_type_nelts.
16504         (gimplify_addr_expr): Remove redundant clear of TREE_SIDE_EFFECTS.
16505         * integrate.c (copy_decl_for_inlining): Correct comments.
16506         * tree-inline.c (remap_decl): Update comments, remove dead code,
16507         and copy DECL_FIELD_OFFSET and DECL_QUALIFIER, if they exist.
16508         (remap_type): Only remap if variably modified by vars in function
16509         being inlined.
16510         (copy_body_r): Use compatible_type langhooks to see when can fold.
16511         (setup_one_parameter): Don't remap type.
16512         (inline_forbidden_p_1): Add arg to variably_modified_type_p.
16513         * tree.c (recompute_tree_invarant_for_addr_expr): Properly
16514         compute TREE_INVARIANT for decl case.
16515         (find_var_from_fn): New function.
16516         (variably_modified_type_p): Add arg and call new function.
16517         * tree.h (variably_modified_type_p): Add extra arg.
16518
16519 2004-07-05  Eric Botcazou  <ebotcazou@libertysurf.fr>
16520
16521         * config/sparc/sparc.md (nonlocal_goto): Remove disabled code.
16522         (goto_handler_and_restore_v9): Delete disabled insn.
16523         (goto_handler_and_restore_v9_sp64): Likewise.
16524
16525 2004-07-05  Roger Sayle  <roger@eyesopen.com>
16526
16527         * calls.c (load_register_parameters): Call expand_shift instead
16528         of expand_binop with ashl_optab (or other shift optab) directly.
16529         * expr.c (emit_group_load, emit_group_store): Likewise.
16530         * function.c (assign_parm_setup_block): Likewise.
16531         * stmt.c (shift_return_value): Likewise.
16532
16533 2004-07-05  Jakub Jelinek  <jakub@redhat.com>
16534
16535         * expr.c (expand_assignment): Disable the bitfield += optimizations.
16536
16537 2004-07-05  Joseph S. Myers  <jsm@polyomino.org.uk>
16538
16539         * doc/sourcebuild.texi: Revert previous patch.
16540
16541 2004-07-05  Joseph S. Myers  <jsm@polyomino.org.uk>
16542
16543         * c-decl.c, config/m32r/m32r.c, expr.c, optabs.c: Don't check
16544         TARGET_MEM_FUNCTIONS.
16545         * system.h: Poison TARGET_MEM_FUNCTIONS.
16546         * libfuncs.h (LTI_bcopy, LTI_bcmp, LTI_bzero, bcopy_libfunc,
16547         bcmp_libfunc, bzero_libfunc): Remove.
16548         * optabs.c (init_obtabs): Don't set bcopy_libfunc, bcmp_libfunc or
16549         bzero_libfunc.
16550         * doc/tm.texi (TARGET_MEM_FUNCTIONS): Remove.
16551         * doc/standards.texi: Don't mention calling BSD string functions.
16552         * doc/invoke.texi: Likewise.  Mention that memmove may be called.
16553         * config/vax/t-memfuncs: New.
16554         * config/memcmp.c, config/memcpy.c, config/memmove.c,
16555         config/memset.c: New.
16556         * config/pdp11/t-pdp11 (LIB2FUNCS_EXTRA): Use these files.
16557         * config.gcc (vax-*-bsd*, vax-*-sysv*, vax-*-ultrix*): Use
16558         vax/t-memfuncs.
16559         * config/alpha/alpha.h, config/arc/arc.h, config/arm/arm.h,
16560         config/avr/avr.h, config/c4x/c4x.h, config/cris/aout.h,
16561         config/elfos.h, config/gnu.h, config/h8300/h8300.h,
16562         config/i386/gas.h, config/ia64/ia64.h, config/interix.h,
16563         config/ip2k/ip2k.h, config/lynx-ng.h, config/m32r/m32r.h,
16564         config/mcore/mcore.h, config/mips/mips.h, config/mmix/mmix.h,
16565         config/netbsd.h, config/openbsd.h, config/pa/pa.h,
16566         config/rs6000/rs6000.h, config/rtems.h, config/s390/s390.h,
16567         config/sh/sh.h, config/sparc/sparc.h, config/stormy16/stormy16.h,
16568         config/svr3.h: Don't define TARGET_MEM_FUNCTIONS.
16569
16570 2004-07-05  Richard Henderson  <rth@redhat.com>
16571
16572         * function.c (assign_parm_setup_reg): Properly rename variables in
16573         FUNCTION_ARG_CALLEE_COPIES section.
16574
16575 2004-07-05  Zack Weinberg  <zack@codesourcery.com>
16576
16577         * tree-mudflap.c: Include cgraph.h.
16578         (mf_init_extern_trees): Rename to mudflap_init.  Export.
16579         Rewrite to create synthetic declarations instead of looking
16580         up declarations from mf-runtime.h.
16581         (mf_make_builtin, mf_make_cache_struct_type): New functions.
16582         (mf_cache_shift_decl, mf_cache_mask_decl, mf_unregister_fndecl):
16583         Correct commentary.
16584         (execute_mudflap_function_decls, mudflap_register_call):
16585         Don't call mf_init_extern_trees.
16586         (mudflap_finish_file): Use cgraph_build_static_cdtor.
16587
16588         * tree-mudflap.h: Update prototypes.
16589         * c-mudflap.c: Delete file.
16590         * c-common.c: Include tree-mudflap.h.
16591         (c_common_nodes_and_builtins): Call mudflap_init if appropriate.
16592         * Makefile.in: Remove all references to c-mudflap.o.
16593         Update dependencies.
16594
16595 2004-07-05  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
16596
16597         * pa.md (prefetch, prefetch_32, prefetch_64): Only allow short
16598         displacements with the spatial-locality cache-control completer.
16599
16600 2004-07-05  Zack Weinberg  <zack@codesourcery.com>
16601
16602         * langhooks.c: Don't include gt-langhooks.h.
16603         (var_labelno): Delete.
16604         (lhd_set_decl_assembler_name): Do not append a distinguishing
16605         number to file-scope internal-linkage declarations for the first
16606         input file, even if they have DECL_CONTEXT set.  Use DECL_UID of
16607         the declaration itself (if at block scope), or its containing
16608         TRANSLATION_UNIT_DECL (if at file scope) for the distinguishing
16609         number.
16610
16611         * opts.c (cur_in_fname): New global.
16612         * opts.h: Declare it.
16613         * tree.c: Include opts.h.
16614         (make_node_stat): If creating a TRANSLATION_UNIT_DECL, give it
16615         DECL_UID equal to cur_in_fname.
16616         (copy_node_stat): Do not change DECL_UID when copying a
16617         TRANSLATION_UNIT_DECL.
16618         (build_common_tree_nodes): Adjust next_decl_uid to reserve the
16619         range 0 .. num_in_fnames-1 for TRANSLATION_UNIT_DECLs.
16620
16621         * c-decl.c (c_static_assembler_name): Delete.
16622         * c-tree.h (c_static_assembler_name): Delete prototype.
16623         * c-lang.c, objc/objc-lang.c: Don't override
16624         LANG_HOOKS_SET_DECL_ASSEMBLER_NAME.
16625
16626         * Makefile.in (tree.o): Update dependencies.
16627         (GTFILES): Remove langhooks.c.
16628
16629 2004-07-05  Roger Sayle  <roger@eyesopen.com>
16630
16631         * fold-const.c (fold) <TRUNC_MOD_EXPR>: Optimize unsigned modulus
16632         by a power of two into a bit-wise AND, i.e. "X % C" as "X & (C-1)".
16633         Normalize "X % C" as "X % -C" for signed modulus and negative C.
16634         Optimize "X % -Y" as "X % Y" for signed modulus.
16635         <EQ_EXPR>: Recursively call "fold" when transforming "(X % Y) == 0"
16636         into "((unsigned) X % Y) == 0".
16637
16638 2004-07-05  Joseph S. Myers  <jsm@polyomino.org.uk>
16639
16640         * sourcebuild.texi (Config Fragments): Use @comma{} in
16641         cross-reference to section title.
16642
16643 2004-07-05  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
16644
16645         * tree.h (DECL_SEEN_IN_BIND_EXPR_P): New macro.
16646         * gimplify.c (gimple_add_tmp_var, gimplify_bind_expr): Use it.
16647         (gimplify_target_expr, gimplify_expr): Likewise.
16648         (copy_if_shared_r): No longer need special case for BIND_EXPR.
16649         (unshare_body, unvisit_body): Only look at nested if BODY_P is
16650         whole function.
16651         (gimplify_compound_lval): See if we can strip any useless conversion.
16652         (gimplify_modify_expr, gimplify_modify_expr_to_memcpy): Take size
16653         from RHS, not LHS.
16654         (gimplify_modify_expr_to_memset): Likewise.
16655         (gimplify_expr, case CONSTRUCTOR): Handle use as statement.
16656         * tree-inline.c (setup_one_parameter): Use DECL_SEEN_IN_BIND_EXPR_P.
16657         (declare_inline_vars): Likewise.
16658         (walk_type_fields): New function.
16659         (walk_tree): Use it.
16660         * tree-nested.c (create_tmp_var_for): Show seen in BIND_EXPR.
16661
16662         * tree-sra.c (struct sra_walk_fns): Init function now returns bool.
16663         (sra_walk_modify_expr): Allow init function to fail.
16664         (scan_init): Now returns bool.
16665         (generate_element_init): If can't understand INIT, return false.
16666         (scalarize_init): Return false if generate_element_init does.
16667
16668         * tree-pretty-print.c (dump_generic_node, case ARRAY_TYPE): Properly
16669         print bounds.
16670
16671         * expr.c (expand_expr_real_1, case SWITCH_EXPR): Don't check against
16672         bounds if bounds aren't constant.
16673
16674         * tree-cfg.c (verify_expr): Use CHECK_OP in binary case.
16675
16676         * function.c, langhooks-def.h, langhooks.h: Move max_size hook
16677         to type hooks; remove bogus PARAMS.
16678
16679 2004-07-05  Nathan Sidwell  <nathan@codesourcery.com>
16680
16681         * c-tree.h (TYPE_ACTUAL_ARG_TYPES): Use TYPE_LANG_SLOT_1.
16682         * dwarf2out.c (add_data_member_location_attribute): Check for
16683         TREE_BINFO.
16684         * tree.c (tree_node_kinds): Add "binfos".
16685         (binfo_lang_slots): New.
16686         (make_node_stat): Add TREE_BINFO.
16687         (make_tree_binfo_stat): New.
16688         (tree_node_structure): Add TREE_BINFO.
16689         * tree.def (TREE_BINFO): New.
16690         * tree.h (REC_OR_UNION_CHECK): Rename to ...
16691         (RECORD_OR_UNION_CHECK): ... here.
16692         (NOT_RECORD_OR_UNION_CHECK): New.
16693         (TRE_VIA_VIRTUAL): Allow TREE_LIST or TREE_BINFO.
16694         (TYPE_FIELDS, TYPE_METHODS, TYPE_VFIELD): Adjust for
16695         RECORD_OR_UNION_CHECK.
16696         (TYPE_BINFO): Use RECORD_OR_UNION_CHECK.
16697         (TYPE_LANG_SLOT_1): New.
16698         (BINFO_TYPE, BINFO_OFFSET, BINFO_VTABLE, BINFO_VIRTUALS,
16699         BINFO_BASETYPES, TYPE_BINFO_BASETYPES, BINFO_VPTR_FIELD,
16700         BINFO_BASEACCESSES, BINFO_INHERITANCE_CHAIN): Adjust.
16701         (BINFO_ELTS): Remove.
16702         (BINFO_LANG_SLOT): New.
16703         (struct tree_binfo): New.
16704         (binfo_lang_slots): Declare.
16705         (enum tree_node_structure_enum): Add TS_BINFO.
16706         (union tree_node): Add binfo.
16707         (make_tree_binfo_stat): Declare.
16708         (make_tree_binfo): New.
16709         (enum tree_node_kind): Add binfo_kind.
16710
16711         * objc/objc-act.c (start_class, objc_declare_protocols,
16712         start_protocols): Use TYPE_LANG_SLOT_1.
16713         * objc/objc-act.h (CLASS_BINFO_ELTS, PROTOCOL_BINFO_ELTS): Rename
16714         to ...
16715         (CLASS_LANG_SLOT_ELTS, PROTOCOL_LANG_SLOT_ELTS): ... here.
16716         (CLASS_IVARS, CLASS_RAW_IVARS, CLASS_STATIC_TEMPLATE,
16717         CLASS_CATEGORY_LIST, CLASS_PROTOCOL_LIST, CLASS_OWN_IVARS,
16718         PROTOCOL_LIST, PROTOCOL_FORWARD_DECL): Use TYPE_LANG_SLOT_1.
16719
16720 2004-07-05  Steven Bosscher  <stevenb@suse.de>
16721
16722         * rtl.h (struct rtx_def): Remove the integrated flag.
16723         Use the return_val flag for MEM_SCALAR_P.
16724         Reshuffle and update flags in CLEAR_RTX_FLAGS.
16725
16726 2004-07-05  Richard Sandiford  <rsandifo@redhat.com>
16727
16728         PR target/16357
16729         * config/mips/mips.c (mips_block_move_straight): Pass BLKmode memrefs
16730         to mips_expand_unaligned_load, mips_expand_unaligned_store, and
16731         move_by_pieces.
16732
16733 2004-07-05  Josef Zlomek  <zlomekj@suse.cz>
16734
16735         * var-tracking.c: Fix some comments.
16736         (frame_stack_adjust): New.
16737         (vt_stack_adjustments): Init stack_adjust of entry block to
16738         minus stack adjustment of function prologue.
16739         (adjust_stack_reference): Do not adjust if adjustment == 0.
16740         (compute_bb_dataflow): Use plus_constant instead of gen_rtx_PLUS.
16741         (emit_notes_in_bb): Likewise.
16742         (vt_add_function_parameters): Do not adjust locations of
16743         function arguments.
16744         (vt_initialize): Compute the stack adjustment of function
16745         prologue and offset the initial "location" of frame_base_decl
16746         from the stack pointer after prologue.
16747
16748 2004-07-04  Richard Henderson  <rth@redhat.com>
16749
16750         * function.c (struct assign_parm_data_all): New.
16751         (struct assign_parm_data_one): New.
16752         (assign_parms_initialize_all, assign_parms_augmented_arg_list,
16753         assign_parm_find_data_types, assign_parms_setup_varargs,
16754         assign_parm_find_entry_rtl, assign_parm_is_stack_parm,
16755         assign_parm_find_stack_rtl, assign_parm_adjust_entry_rtl,
16756         assign_parm_adjust_stack_rtl, assign_parm_setup_block_p,
16757         assign_parm_setup_block, assign_parm_setup_reg,
16758         assign_parm_setup_stack, assign_parms_unsplit_complex): Split from ...
16759         (assign_parms): ... here.
16760
16761 2004-07-04  Daniel Berlin  <dberlin@dberlin.org>
16762
16763         * tree-ssa-pre.c (bb_value_sets): phi_gen, tmp_gen, new_sets
16764         now are bitmap_set_t's.
16765         (bitmap_insert_into_set): No point in inserting the value if
16766         it's invariant.
16767         (bitmap_set_contains): New function.
16768         (bitmap_set_replace_value): Add comment on why we do it
16769         this way.
16770         (set_contains): Removed.
16771         (bitmap_set_subtract_from_value_set): New name of
16772         set_subtract now that it's arguments are two different
16773         types of sets.
16774         Update callers.
16775         (bitmap_find_leader): Change algorithm used.
16776         (find_or_generate_expression): Update use of functions for new
16777         bitmap sets.
16778         (create_expression_by_pieces): Ditto.
16779         (insert_aux): Ditto.
16780         (insert): Ditto.
16781         (add_to_sets): Ditto.
16782         (init_pre): Ditto.
16783         (execute_pre): Ditto.
16784         (compute_avail): Ditto.
16785         Also ignore virtual phis.
16786
16787 2004-07-04  Richard Sandiford  <rsandifo@redhat.com>
16788
16789         * combine.c (simplify_comparison): Fix comment typo.
16790
16791 2004-07-04  Eric Botcazou  <ebotcazou@libertysurf.fr>
16792
16793         * config/sparc/sparc.c (SIBCALL_SLOT_EMPTY_P): Rename
16794         into LEAF_SIBCALL_SLOT_RESERVED_P after negation.
16795         (eligible_for_sibcall_delay): Adjust use of SIBCALL_SLOT_EMPTY_P.
16796         (output_restore): Change parameter from 'insn' to 'pat'.
16797         (output_return): Adjust call to output_restore.
16798         (output_sibcall): Adjust use of SIBCALL_SLOT_EMPTY_P.
16799         Adjust call to output_restore.
16800
16801 2004-07-04  Neil Booth  <neil@duron.akihabara.co.uk>
16802
16803         * config/netbsd.h (NETBSD_OS_CPP_BUILTINS_COMMON): Define __unix__
16804         and assert system is bsd.
16805
16806 2004-07-04  Richard Sandiford  <rsandifo@redhat.com>
16807
16808         * config/mips/mips.h (MASK_DEBUG_C, TARGET_DEBUG_C_MODE): Delete.
16809         (TARGET_SWITCHES): Remove -mdebugc.
16810         * config/mips/mips.md (seq, sne, sgt, sge, slt, sle, sgtu, sgeu)
16811         (sltu, sleu): Remove TARGET_DEBUG_C_MODE handling.
16812         (seq_[sd]i, sne_[sd]i, sge_[sd]i, sle_[sd]i_reg, sgeu_[sd]i)
16813         (sle_[sd]i_reg): Delete.
16814
16815 2004-07-04  Steven Bosscher  <stevenb@suse.de>
16816
16817         * config/iq2000/iq2000.c (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE):
16818         Define.
16819         * config/iq2000/iq2000.md: Translate old pipeline description to an
16820         equivalent new one.
16821
16822 2004-07-04  Roger Sayle  <roger@eyesopen.com>
16823
16824         * tree-ssa-ccp.c (set_rhs): Change function to return a bool.
16825         Ensure the replacement rhs is valid gimple before performing
16826         the substitution.  Return false if these sanity checks fail.
16827         (fold_stmt): Only set changed to true, if set_rhs returns true.
16828         (execute_fold_all_builtins): Only call modify_stmt if set_rhs
16829         succeeds.
16830
16831 2004-07-04  Richard Henderson  <rth@redhat.com>
16832
16833         PR c/16348
16834         * c-typeck.c (c_finish_loop): Don't clear cond for cond_is_first loops.
16835
16836 2004-07-04  Mark Mitchell  <mark@codesourcery.com>
16837
16838         * configure.ac (ranlib_flags): New variable.
16839         * Makefile.in (RANLIB_FLAGS): New variable.
16840         (libbackend.a): Use it.
16841         * configure: Regenerated.
16842
16843 2004-07-04  Roger Sayle  <roger@eyesopen.com>
16844
16845         * ifcvt.c (noce_try_sign_mask): Call emit_store_flag to generate
16846         a "sign mask" instead of using ashr_optab directly.
16847
16848 2004-07-04  Neil Booth  <neil@duron.akihabara.co.uk>
16849
16850         * doc/cpp.texi: Don't document what we do for ill-formed expressions.
16851         * doc/cppopts.texi: Clarify processing of command-line defines.
16852
16853 2004-07-04  Gerald Pfeifer  <gerald@pfeifer.com>
16854
16855         * doc/contrib.texi (Contributors): Adjust link for GNU Classpath.
16856
16857 2004-07-04  Richard Henderson  <rth@redhat.com>
16858
16859         * rtl.def (ADDRESSOF): Remove.
16860         * alias.c (rtx_equal_for_memref_p): Don't handle addressof.
16861         (find_base_term, memrefs_conflict_p): Likewise.
16862         * cse.c (fixed_base_plus_p, find_best_addr: Likewise.
16863         (fold_rtx, cse_insn, set_live_p): Likewise.
16864         * dwarf2out.c (mem_loc_descriptor): Likewise.
16865         (add_location_or_const_value_attribute): Likewise.
16866         * emit-rtl.c (copy_insn_1): Likewise.
16867         * explow.c (memory_address): Likewise.
16868         * expmed.c (store_split_bit_field): Likewise.
16869         * expr.c (expand_expr_real_1): Likewise.
16870         * function.c (instantiate_decl
16871         (instantiate_virtual_regs_1, fix_lexical_addr): Likewise.
16872         * genrecog.c (preds, validate_pattern): Likewise.
16873         * integrate.c (copy_rtx_and_substitute): Likewise.
16874         * recog.c (general_operand, register_operand): Likewise.
16875         (memory_address_p): Likwise.
16876         * reload1.c (eliminate_regs, elimination_effects): Likewise.
16877         * rtl.c (copy_rtx): Likewise.
16878         * rtlanal.c (rtx_unstable_p, rtx_varies_p): Likewise.
16879         (rtx_addr_can_trap_p, nonzero_address_p, address_cost): Likewise.
16880         * rtlhooks.c (gen_lowpart_general): Likewise.
16881         * stmt.c (expand_asm_operands): Likewise.
16882         * web.c (entry_register, replace_ref, web_main): Likewise.
16883         * config/alpha/alpha.c (input_operand, alpha_legitimate_address_p,
16884         alpha_expand_block_move, alpha_expand_block_clear): Likewise.
16885         * config/arm/arm.c (thumb_rtx_costs): Likewise.
16886         * config/c4x/c4x.c (c4x_valid_operands): Likewise.
16887         * config/frv/frv.c (move_destination_operand, move_source_operand,
16888         condexec_dest_operand, condexec_source_operand,
16889         condexec_memory_operand): Likewise.
16890         * config/h8300/h8300.h (PREDICATE_CODES): Likewise.
16891         * config/ia64/ia64.c (general_xfmode_operand): Likewise.
16892         (destination_xfmode_operand): Likewise.
16893         * config/mips/mips.h (PREDICATE_CODES): Likewise.
16894         * config/mn10300/mn10300.c (mn10300_address_cost_1): Likewise.
16895         * config/s390/s390.c (general_s_operand): Likewise.
16896         * config/s390/s390.md (mov*): Likewise.
16897         * config/sparc/sparc.h (PREDICATE_CODES): Likewise.
16898
16899         * c-typeck.c (c_mark_addressable): Don't put_var_into_stack.
16900         * expr.c (expand_expr_real_1): Likewise.
16901         * stmt.c (expand_decl): Likewise.
16902         * config/c4x/c4x.c (c4x_expand_builtin): Likewise.
16903
16904         * function.c (struct fixup_replacement, struct insns_for_mem_entry,
16905         postponed_insns, put_var_into_stack, put_reg_into_stack,
16906         schedule_fixup_var_refs, fixup_var_refs, find_fixup_replacement,
16907         fixup_var_refs_insns, fixup_var_refs_insns_with_hash,
16908         fixup_var_refs_insn, fixup_var_refs_1, fixup_memory_subreg,
16909         walk_fixup_memory_subreg, fixup_stack_1, optimize_bit_field,
16910         gen_mem_addressof, flush_addressof, put_addressof_into_stack,
16911         purge_bitfield_addressof_replacements, purge_addressof_replacements,
16912         purge_addressof_1, insns_for_mem_hash, insns_for_mem_comp,
16913         struct insns_for_mem_walk_info, insns_for_mem_walk,
16914         compute_insns_for_mem, is_addressof, purge_addressof, setjmp_protect,
16915         setjmp_protect_args): Remove.
16916         (push_function_context_to): Don't handle var_refs_queue.
16917         (pop_function_context_from, free_after_compilation): Likewise.
16918         (instantiate_virtual_regs): Don't handle parm_reg_stack_loc.
16919         (assign_parms, allocate_struct_function): Likewise.
16920         (use_register_for_decl): New.
16921         (expand_function_end): Don't setjmp_protect.
16922         * function.h (struct emit_status): Update commentary.
16923         (struct function): Remove x_max_parm_reg, x_parm_reg_stack_loc.
16924         (max_parm_reg, parm_reg_stack_loc): Remove.
16925         * passes.c (DFI_addressof): Remove.
16926         (dump_file_info): Remove addressof.
16927         (rest_of_handle_addressof): Remove.
16928         (rest_of_compilation): Don't call it.
16929         * rtl.h (ADDRESSOF_REGNO, ADDRESSOF_DECL): Remove.
16930         * stmt.c (expand_decl): Use use_register_for_decl.
16931         * tree.h: Update decls.
16932         * web.c (mark_addressof): Remove.
16933         * doc/invoke.texi (-dF): Remove.
16934
16935 2004-07-03  Richard Henderson  <rth@redhat.com>
16936
16937         * config/ia64/ia64.c (spill_xfmode_operand): Use assign_stack_temp
16938         instead of gen_mem_addressof.
16939         * config/ia64/ia64.md (movxf): Use assign_stack_temp to handle
16940         TImode output register.
16941
16942 2004-07-03  Richard Henderson  <rth@redhat.com>
16943
16944         PR tree-optimization/16341
16945         * tree-sra.c (sra_walk_function): Increment to next stmt before
16946         processing the current stmt.
16947         (sra_insert_after): Always use BSI_SAME_STMT.
16948
16949 2004-07-03  Richard Henderson  <rth@redhat.com>
16950
16951         * tree-ssa-dom.c (simplify_rhs_and_lookup_avail_expr): Don't fold
16952         fp plus with minus.
16953
16954 2004-07-03  Joseph S. Myers  <jsm@polyomino.org.uk>
16955
16956         * tree.c (type_hash_eq): Allow TYPE_MIN_VALUE which compares equal
16957         with tree_int_cst_equal.
16958
16959 2004-07-03  Andreas Schwab  <schwab@suse.de>
16960
16961         * config/ia64/ia64.md: Define new attribute "empty".
16962         (prologue_use, nop_x, insn_group_barrier): Set it.
16963
16964         * config/ia64/ia64.c (ia64_reorg): When looking for trailing call
16965         skip over "empty" insns.
16966
16967 2004-07-03  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
16968
16969         * tree-inline.c (initialize_inlined_parameters): Pass proper function
16970         context to gimplify_body.
16971         (walk_tree): Don't walk into types twice.
16972         (walk_tree, case POINTER_TYPE): Deal with mutually recursive pointers.
16973
16974         * tree-sra.c (generate_element_init): Remove any useless conversions.
16975
16976         * gimplify.c (gimplify_conversion): Remove stripping useless
16977         conversions from here.
16978         (gimplify_expr): Put it here, in place of call to STRIP_MAIN_TYPE_NOPS.
16979         (gimplify_modify_expr_to_memcpy, gimplify_variable_sized_compare):
16980         Unshare before substituting PLACEHOLDER_EXPR.
16981         (gimplify_modify_expr_to_memset): Likewise.
16982         Pass address of TO to memset, not TO itself.
16983         (gimplify_init_constructor): Make copy of OBJECT so we have it each
16984         time we make an expression (to match a PLACEHOLDER_EXPR).
16985
16986         * tree-ssa.c (tree_ssa_useless_type_conversion): Also look at
16987         VIEW_CONVERT_EXPR and NON_LVALUE_EXPR.
16988         * tree-ssa-ccp.c (fold_stmt): Call just STRIP_USELESS_TYPE_CONVERSION.
16989         * tree-ssa-dom.c (local_fold): Likewise.
16990
16991         * langhooks-def.h (LANG_HOOKS_TYPE_MAX_SIZE): New langhook.
16992         * langhooks.h (strct lang_hooks): New field type_max_size.
16993         * function.c (assign_temp): Call it.
16994
16995 2004-07-03  Steven Bosscher  <stevenb@suse.de>
16996
16997         * config/sh/sh.c (sh_use_dfa_interface): Add TARGET_SH1.
16998         * config/sh/sh.md: Convert the SH1 pipeline description to
16999         a DFA model.
17000
17001 2004-07-02  Zack Weinberg  <zack@codesourcery.com>
17002
17003         * c-decl.c (struct c_binding): Remove contour field; add
17004         depth, invisible, nested fields.
17005         (B_IN_SCOPE, B_IN_CURRENT_SCOPE, B_IN_FILE_SCOPE)
17006         (B_IN_EXTERNAL_SCOPE): New convenience macros.
17007         (bind): Add invisible and nested arguments. Initialize
17008         new fields of struct c_binding; adjust loop scanning for
17009         insertion point.
17010         (free_binding_and_advance): Clear structure with memset.
17011         (pop_scope): Adjust to match.  Set DECL_CONTEXT on everything
17012         in file scope, even if it's in external scope too.
17013         (pushdecl): Adjust to match.  Create invisible file-scope
17014         declarations for block-scope forward declarations of static functions.
17015         (pushtag, warn_if_shadowing, pushdecl_top_level, implicitly_declare)
17016         (undeclared_variable, lookup_label, declare_label, define_label)
17017         (lookup_tag, lookup_name, lookup_name_in_scope, builtin_function)
17018         (c_make_fname_decl, store_parm_decls_newstyle, identifier_global_value)
17019         (store_parm_decls_oldstyle): Adjust to match.
17020         (diagnose_mismatched_decls): Correct handling of linkage clashes.
17021         (merge_decls): No need to copy C_DECL_IN_EXTERNAL_SCOPE.
17022
17023         * c-tree.h (C_DECL_IN_EXTERNAL_SCOPE): Delete.
17024         (C_DECL_DECLARED_BUILTIN, C_DECL_REGISTER): Slide down one.
17025
17026 2004-07-02  Richard Henderson  <rth@redhat.com>
17027
17028         * c-decl.c (grokdeclarator): Don't frob current_function_decl
17029         around variable_size.
17030         (set_decl_nonlocal): Remove.
17031         (store_parm_decls): Add stmts for pending sizes.
17032         * calls.c (calls_function, calls_function_1): Remove.
17033         (precompute_arguments): Don't call it.
17034         * cfgexpand.c (set_save_expr_context): Remove.
17035         (tree_expand_cfg): Don't call it.
17036         * dwarf2out.c (add_bound_info): Don't handle SAVE_EXPR.
17037         (dwarf2out_finish): Likewise.
17038         * expr.c (emit_block_move): Adjust addresses to BLKmode.
17039         (store_constructor): Don't pre-evaluate SAVE_EXPR.
17040         (safe_from_p): Don't queue SAVE_EXPRs.
17041         (expand_expr_real_1 <case SAVE_EXPR>): Rewrite to expect,
17042         or build plain VAR_DECLs.
17043         * fold-const.c (twoval_comparison_p): Don't look at SAVE_EXPR_RTL.
17044         (fold): Likewise.
17045         (fold_checksum_tree): Don't special-case SAVE_EXPR.
17046         * function.c (free_after_compilation): Don't clear x_save_expr_regs.
17047         (put_var_into_stack): Don't handle SAVE_EXPR.
17048         (gen_mem_addressof): Likewise.
17049         * function.h (struct function): Remove x_save_expr_regs.
17050         (save_expr_regs): Remove.
17051         * gengtype.c (adjust_field_tree_exp): Don't special-case SAVE_EXPR.
17052         * print-tree.c (print_node): Don't dump SAVE_EXPR_NOPLACEHOLDER.
17053         * stor-layout.c (variable_size): Don't set it.
17054         (force_type_save_exprs, force_type_save_exprs_1): Remove.
17055         * tree-inline.c (remap_save_expr): Remove fn argument.  Update
17056         all callers.  Don't set SAVE_EXPR_CONTEXT.
17057         * tree-inline.h (remap_save_expr): Update decl.
17058         * tree.c (save_expr): Update build size.
17059         (first_rtl_op): Don't handle SAVE_EXPR.
17060         (unsave_expr_1, contains_placeholder_p): Likewise.
17061         (decl_function_context): Likewise.
17062         * tree.def (SAVE_EXPR): Remove args 1 and 2.
17063         * tree.h (SAVE_EXPR_CONTEXT, SAVE_EXPR_RTL): Remove.
17064         (SAVE_EXPR_NOPLACEHOLDER, SAVE_EXPR_PERSISTENT_P): Remove.
17065
17066 2004-07-03  Joseph S. Myers  <jsm@polyomino.org.uk>
17067
17068         * doc/bugreport.texi, doc/configterms.texi, doc/contrib.texi,
17069         doc/contribute.texi, doc/cpp.texi, doc/cppinternals.texi,
17070         doc/extend.texi, doc/install.texi, doc/invoke.texi, doc/md.texi,
17071         doc/portability.texi, doc/tree-ssa.texi, doc/trouble.texi: Avoid
17072         some first-person references and patronizing comments.  Based on
17073         printed manual.
17074         * doc/invoke.texi: Don't reference fortran@gnu.org.
17075         * doc/trouble.texi (Warning when a non-void function value is
17076         ignored): Rewrite.  From Russ Allbery and Chris Devers.
17077
17078 2004-07-02  Daniel Berlin  <dberlin@dberlin.org)
17079
17080         * tree-ssa-pre.c (bitmap_set_t): New.
17081         (bb_value_sets): avail_out is now a bitmap_set_t.
17082         (bitmap_find_leader): New function.
17083         (bitmap_value_insert_into_set): Ditto.
17084         (bitmap_set_copy): Ditto.
17085         (bitmap_value_replace_in_set): Ditto.
17086         (bitmap_set_contains_value): Ditto.
17087         (bitmap_set_new): Ditto.
17088         (bitmap_set_pool): New pool.
17089         (find_or_generate_expression): Use bitmap_ functions on AVAIL sets.
17090         (insert_aux): Ditto.
17091         (add_to_sets): Ditto.
17092         (compute_avail): Ditto
17093         (eliminate): Ditto.
17094         (init_pre): Ditto.
17095         (fini_pre): Ditto.
17096         (execute_pre): Ditto.
17097
17098 2004-07-02  Roger Sayle  <roger@eyesopen.com>
17099
17100         * config/rs6000/rs6000.c (struct processor_costs): New structure
17101         used to hold instruction latencies/sizes for processor types.
17102         (rs6000_cost): New global variable pointing to current CPU's costs.
17103         (rs6000_override_options): Initialize rs6000_cost to point to the
17104         appropriate cost table based upon rs6000_cpu and optimize_size.
17105         (rs6000_rtx_costs): Use rs6000_cost to avoid hardcoding processor
17106         timings inline.
17107
17108 2004-07-02  Richard Henderson  <rth@redhat.com>
17109
17110         * expmed.c (make_tree): Don't use SET_DECL_RTL.
17111
17112 2004-07-02  Steven Bosscher  <stevenb@suse.de>
17113
17114         * tree-flow.h (bb_ann_d): Remove ephi_nodes field.
17115
17116 2004-07-01  Richard Henderson  <rth@redhat.com>
17117
17118         * config/alpha/alpha.c (struct machine_function): Add gp_save_rtx.
17119         (alpha_gp_save_rtx): Use assign_stack_local instead of
17120         gen_mem_addressof.
17121
17122 2004-07-01  Richard Henderson  <rth@redhat.com>
17123
17124         * config/alpha/alpha.c (struct alpha_rtx_cost_data): Add int_div.
17125         (alpha_rtx_cost_data): Update to match.
17126         (alpha_rtx_cost_size): New.
17127         (alpha_rtx_costs): Honor optimize_size.
17128
17129 2004-07-01  Richard Henderson  <rth@redhat.com>
17130
17131         * gimple-low.c (lower_function_body): Don't reset_block_changes here.
17132         * cfgexpand.c (tree_expand_cfg): Do it here.
17133         * config/alpha/alpha.c (alpha_output_mi_thunk_osf): And here.
17134         * config/ia64/ia64.c (ia64_output_mi_thunk): And here.
17135         * config/mips/mips.c (mips_output_mi_thunk): And here.
17136         * config/rs6000/rs6000.c (rs6000_output_mi_thunk): And here.
17137         * config/sh/sh.c (sh_output_mi_thunk): And here.
17138         * config/sparc/sparc.c (sparc_output_mi_thunk): And here.
17139
17140 2004-07-01  Richard Henderson  <rth@redhat.com>
17141
17142         * tree.def (RTL_EXPR): Remove.
17143         * c-typeck.c (lvalue_p): Don't handle it.
17144         * expr.c (safe_from_p): Likewise.
17145         (expand_expr_real_1): Likewise.
17146         * fold-const.c (non_lvalue, operand_equal_p, fold): Likewise.
17147         (fold_checksum_tree, tree_expr_nonnegative_p): Likewise.
17148         * gengtype.c (adjust_field_tree_exp): Likewise.
17149         * stmt.c (warn_if_unused_value): Likewise.
17150         * tree-gimple.c (recalculate_side_effects): Likewise.
17151         * tree-pretty-print.c (dump_generic_node): Likewise.
17152         * tree.c (make_node_stat, first_rtl_op, unsave_expr_1): Likewise.
17153         (unsafe_for_reeval, stabilize_reference, build1_stat): Likewise.
17154         * tree.h (RTL_EXPR_SEQUENCE, RTL_EXPR_RTL, RTL_EXPR_ALT_RTL): Remove.
17155
17156         * stmt.c (struct stmt_status): Remove x_last_expr_type,
17157         x_last_expr_value, x_last_expr_alt_rtl, x_expr_stmts_for_value.
17158         (last_expr_type, last_expr_value, last_expr_alt_rtl): Remove.
17159         (expand_expr_stmt): Merge with expand_expr_stmt_value.  Remove
17160         all the bits that tracked last_expr.
17161         (expand_end_bindings): Don't track last_expr.
17162         (expand_start_stmt_expr, expand_end_stmt_expr): Remove.
17163         (clear_last_expr): Remove.
17164         (expand_asm): Don't call it.
17165         (expand_asm_operands, expand_end_cond): Likewise.
17166         (expand_naked_return, expand_null_return_1): Likewise.
17167         * c-typeck.c (c_begin_compound_stmt): Likewise.
17168         * cfgexpand.c (expand_block): Use expand_expr_stmt.
17169         * expr.c (expand_expr_real_1): Likewise.
17170         * tree.h: Update prototypes.
17171
17172         * function.h (struct sequence_stack): Remove sequence_rtl_expr.
17173         (struct emit_status): Remove sequence_rtl_expr.
17174         (struct function): Remove x_rtl_expr_chain.
17175         (seq_rtl_expr, rtl_expr_chain): Remove.
17176         * function.c (struct temp_slot): Remove rtl_expr.
17177         (assign_stack_temp_for_type): Don't set it.
17178         (free_temp_slots, pop_temp_slots): Don't check it.
17179         (free_after_compilation): Don't clear x_rtl_expr_chain.
17180         (fixup_var_refs): Don't search it.
17181         (preserve_rtl_expr_result, free_temps_for_rtl_expr): Remove.
17182         * emit-rtl.c (start_sequence): Don't use sequence_rtl_expr
17183         or seq_rtl_expr.
17184         (push_topmost_sequence): Likewise.
17185         (end_sequence, init_emit): Likewise.
17186         (start_sequence_for_rtl_expr): Remove.
17187         * expmed.c (make_tree): Build a VAR_DECL instead of an RTL_EXPR.
17188         * rtl.h (preserve_rtl_expr_result): Remove.
17189
17190 2004-07-02  Kazu Hirata  <kazu@cs.umass.edu>
17191
17192         * ifcvt.c, modulo-sched.c, tree-alias-common.c, tree-sra.c,
17193         tree-ssa-copy.c, tree-ssa-dom.c, tree-ssa-pre.c: Fix comment
17194         typos.
17195
17196 2004-07-02  Aaron W. LaFramboise <aaronraolete36@aaronwl.com>
17197
17198         * gcc.c (STANDARD_STARTFILE_PREFIX_1): Define.
17199         (STANDARD_STARTFILE_PREFIX_2): Define.
17200         (standard_startfile_prefix_1): Initialize to
17201         STANDARD_STARTFILE_PREFIX_1.
17202         (standard_startfile_prefix_2): Initialize to
17203         STANDARD_STARTFILE_PREFIX_2.
17204         * config/i386/mingw32.h (MD_STARTFILE_PREFIX): Remove.
17205         (STANDARD_STARTFILE_PREFIX_1): Define.
17206         (STANDARD_STARTFILE_PREFIX_2): Define.
17207         * doc/tm.texi (STANDARD_STARTFILE_PREFIX_1): Document.
17208         (STANDARD_STARTFILE_PREFIX_2): Document.
17209
17210 2004-07-01  Richard Henderson  <rth@redhat.com>
17211
17212         * tree-sra.c (sra_walk_expr): Don't maybe_lookup_element_for_expr
17213         in order to disable scalarization.  Instead set a flag and wait
17214         for a candidate decl.
17215
17216 2004-07-01  Joseph S. Myers  <jsm@polyomino.org.uk>
17217
17218         * doc/cppinternals.texi, doc/install.texi, doc/invoke.texi,
17219         doc/md.texi, doc/sourcebuild.texi, doc/tm.texi, doc/trouble.texi:
17220         Use terminology "testsuite" and "enumerated".
17221
17222 2004-07-01  Richard Henderson  <rth@redhat.com>
17223
17224         * dwarf2out.c (reg_save): Use INVALID_REGNUM.
17225         (dwarf2out_reg_save, dwarf2out_return_save): Likewise.
17226         (initial_return_save): Likewise.
17227         (flush_queued_reg_saves): Remap register numbers.
17228         (dwarf2out_return_reg): Likewise.
17229
17230 2004-07-01  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
17231
17232         * gimplify.c (gimplify_one_sizepos): Don't do anything if any VAR_DECL.
17233
17234         * tree-pretty-print.c (dump_generic_node, case ARRAY_REF): Use
17235         access functions for lower bound and element size and only output
17236         if lower bound nonzero or element size not same as that of type.
17237         (dump_generic_node, case COMPONENT_REF): Use access func. for offset.
17238
17239 2004-07-01  Paolo Bonzini  <bonzini@gnu.org>
17240
17241         * c-pretty-print.c (pp_c_postfix_expression): Fix pasto.
17242
17243 2004-07-01  Per Bothner  <per@bothner.com>
17244
17245         * final.c (final):  Fix typo reported by Aaron W. LaFramboise.
17246
17247 2004-07-01  Jakub Jelinek  <jakub@redhat.com>
17248
17249         * expr.c (expand_assignment): Optimize bitfld += cst for 1 bit
17250         bitfields as well.  STRIP_NOPS from src operand and PLUS_EXPR's
17251         first operand.  Don't optimize if the bitfield is volatile.
17252
17253 2004-07-01  Paolo Bonzini  <bonzini@gnu.org>
17254
17255         * c-pretty-print.c (pp_c_postfix_expression): Handle
17256         floating-point comparison operators.
17257         (pp_c_expression): Pass floating-point comparison
17258         operators to pp_c_postfix_expression.
17259
17260 2004-07-01  Roger Sayle  <roger@eyesopen.com>
17261
17262         * simplify-rtx.c (simplify_binary_operation) <PLUS, MINUS>: Use
17263         rtx_cost instead of "had_mult" to determine whether the transformed
17264         expression is cheaper than the original.
17265
17266 2004-07-01  Jerry Quinn  <jlquinn@optonline.net>
17267
17268         * alias.c (get_alias_set, canon_rtx, get_addr,
17269         nonoverlapping_memrefs_p, nonlocal_referenced_p_1, memory_modified_1):
17270         Use MEM_P.
17271         * builtins.c (expand_builtin_prefetch, expand_builtin_profile_func,
17272         expand_builtin): Likewise.
17273         * calls.c (expand_call, emit_library_call_value_1, store_one_arg):
17274         Likewise.
17275         * combine.c (can_combine_p, combinable_i3pat, try_combine,
17276         find_split_point, combine_simplify_rtx, simplify_set, make_extraction,
17277         rtx_equal_for_field_assignment_p, gen_lowpart_for_combine,
17278         record_dead_and_set_regs_1, get_last_value_validate,
17279         mark_used_regs_combine, move_deaths, unmentioned_reg_p_1): Likewise.
17280         * cse.c (check_dependence, canon_hash, equiv_constant,
17281         gen_lowpart_if_possible, cse_insn, invalidate_from_clobbers,
17282         cse_around_loop, cse_check_loop_start, cse_set_around_loop,
17283         count_reg_usage): Likewise.
17284         * cselib.c (rtx_equal_for_cselib_p, add_mem_for_addr, cselib_lookup,
17285         cselib_invalidate_mem, cselib_invalidate_rtx, cselib_record_set,
17286         cselib_record_sets): Likewise.
17287         * dbxout.c (PARM_PASSED_IN_MEMORY, dbxout_symbol,
17288         dbxout_symbol_location, dbxout_parms, dbxout_reg_parms): Likewise.
17289         * ddg.c (mark_mem_use, mark_mem_store, rtx_mem_access_p): Likewise.
17290         * df.c (df_uses_record): Likewise.
17291         * dojump (do_jump): Likewise.
17292         * dwarf2out.c (stack_adjust_offset, mem_loc_descriptor,
17293         loc_descriptor_from_tree, rtl_for_decl_location, add_bound_info,
17294         decl_start_label): Likewise.
17295         * emit-rtl.c (gen_complex_constant_part, gen_highpart,
17296         operand_subword, change_address_1, make_safe_from): Likewise.
17297         * explow.c (break_out_memory_refs, copy_all_regs, validize_mem,
17298         stabilize, force_not_mem): Likewise.
17299         * expmed.c (store_bit_field, store_split_bit_field, extract_bit_field,
17300         expand_mult_const, expand_divmod, emit_store_flag): Likewise.
17301         * expr.c (convert_move, convert_modes, emit_block_move,
17302         emit_group_load, emit_group_store, clear_storage, emit_move_insn,
17303         emit_move_insn_1, expand_assignment, store_expr,
17304         store_constructor_field, store_constructor, store_field,
17305         force_operand, safe_from_p, expand_expr_real_1, expand_increment):
17306         Likewise.
17307         * final.c (cleanup_subreg_operands, alter_subreg,
17308         get_mem_expr_from_op): Likewise.
17309         * flow.c (notice_stack_pointer_modification_1,
17310         init_propagate_block_info, insn_dead_p, mark_set_1, mark_used_regs):
17311         Likewise.
17312         * function.c (mark_temp_addr_taken, preserve_temp_slots,
17313         preserve_rtl_expr_result, put_var_into_stack, fixup_var_refs_1,
17314         optimize_bit_field, flush_addressof, purge_addressof_1,
17315         instantiate_decl, instantiate_virtual_regs_1, assign_parms,
17316         setjmp_protect, setjmp_protect_args, fix_lexical_addr,
17317         keep_stack_depressed): Likewise.
17318         * ifcvt.c (noce_try_cmove_arith, noce_try_abs, noce_operand_ok,
17319         noce_process_if_block, find_memory): Likewise.
17320         * integrate.c (subst_constants, allocate_initial_values): Likewise.
17321         * local-alloc.c (validate_equiv_mem_from_store, memref_referenced_p,
17322         update_equiv_regs): Likewise.
17323         * loop.c (scan_loop, prescan_loop, note_addr_stored, check_store,
17324         maybe_eliminate_biv_1, find_mem_in_note_1): Likewise.
17325         * optabs.c (expand_abs, emit_unop_insn): Likewise.
17326         * passes.c (rest_of_handle_final): Likewise.
17327         * postreload.c (reload_cse_simplify_set, reload_cse_simplify_operands,
17328         move2add_note_store): Likewise.
17329         * ra-build.c (detect_remat_webs): Likewise.
17330         * ra-debug.c (dump_static_insn_cost): Likewise.
17331         * ra-rewrite.c (slots_overlap_p, insert_stores): Likewise.
17332         * recog.c (validate_change, apply_change_group, cancel_changes,
17333         validate_replace_rtx_1, general_operand, register_operand,
17334         nonmemory_operand, push_operand, pop_operand, memory_operand,
17335         indirect_operand, asm_operand_ok, offsettable_memref_p,
17336         offsettable_nonstrict_memref_p, constrain_operands,
17337         store_data_bypass_p): Likewise.
17338         * reg-stack.c (subst_stack_regs_pat): Likewise.
17339         * regclass.c (record_operand_costs, scan_one_insn, record_reg_classes,
17340         copy_cost, reg_scan_mark_refs): Likewise.
17341         * regmove.c (optimize_reg_copy_3, stack_memref_p,
17342         combine_stack_adjustments_for_block): Likewise.
17343         * regrename.c (copyprop_hardreg_forward_1): Likewise.
17344         * reload.c (can_reload_into, push_reload, decompose, immune_p,
17345         find_reloads, find_reloads_address, find_reloads_address_1,
17346         reg_overlap_mentioned_for_reload_p, refers_to_mem_for_reload_p,
17347         find_equiv_reg): Likewise.
17348         * reload1.c (reload, eliminate_regs, eliminate_regs_in_insn,
17349         reload_as_needed, choose_reload_regs, emit_input_reload_insns,
17350         do_input_reload, emit_reload_insns, gen_reload, delete_output_reload,
17351         delete_address_reloads): Likewise.
17352         * resource.c (mark_referenced_resources): Likewise.
17353         * rtlanal.c (get_jump_table_offset, count_occurrences,
17354         reg_referenced_p, reg_set_p, set_of_1, set_noop_p,
17355         reg_overlap_mentioned_p, note_uses, replace_regs, nonzero_bits1,
17356         num_sign_bit_copies1): Likewise.
17357         * rtlhooks.c (gen_lowpart_general): Likewise.
17358         * sched-deps.c (sched_analyze_1, sched_analyze_2): Likewise.
17359         * sdbout.c (PARM_PASSED_IN_MEMORY, sdbout_symbol,
17360         sdbout_toplevel_data, sdbout_parms, sdbout_reg_parms,
17361         sdbout_global_decl): Likewise.
17362         * simplify-rtx.c (simplify_subreg): Likewise.
17363         * stmt.c (expand_asm_operands, expand_expr_stmt_value, expand_decl,
17364         expand_anon_union_decl, expand_end_case_type): Likewise.
17365         * unroll.c (calculate_giv_inc): Likewise.
17366         * var-tracking.c (stack_adjust_offset_pre_post,
17367         bb_stack_adjust_offset, track_expr_p, count_uses, add_uses,
17368         add_stores, compute_bb_dataflow, vt_get_decl_and_offset,
17369         vt_add_function_parameters): Likewise.
17370         * varasm.c (make_var_volatile, notice_global_symbol,
17371         assemble_external, decode_addr_const, mark_weak,
17372         default_encode_section_info): Likewise.
17373
17374 2004-07-01  Steven Bosscher  <stevenb@suse.de>
17375
17376         * stmt.c (check_seenlabel): Remove.
17377         (pushcase, pushcase_range, expand_end_case_type): Don't call it.
17378
17379 2004-07-01  Richard Henderson  <rth@redhat.com>
17380
17381         * function.h (struct function): Remove x_function_call_count.
17382         (function_call_count): Remove.
17383         * calls.c (expand_call): Don't set it.
17384         * integrate.c (copy_rtx_and_substitute): Likewise.
17385
17386         * function.h (struct function): Remove x_cleanup_label.
17387         (cleanup_label): Remove.
17388         * stmt.c (expand_value_return): Don't use it.
17389         * function.c (free_after_compilation): Don't set it.
17390         (expand_function_start): Likewise.  Remove parms_have_cleanups arg.
17391         * cfgexpand.c (tree_expand_cfg): Update call.
17392         * tree.h (expand_function_start): Update decl.
17393
17394 2004-07-01  Joseph S. Myers  <jsm@polyomino.org.uk>
17395
17396         PR c/1027
17397         * c-lang.c (c_initialize_diagnostics): Move from here ...
17398         * c-objc-common.c: ... to here.  Include "c-pretty-print.h".
17399         (c_tree_printer): Use pretty-printer to format %T.
17400         * c-pretty-print.c (pp_c_specifier_qualifier_list): Include space
17401         before '*' if not C++.
17402         (pp_c_direct_abstract_declarator): Don't try to print array upper
17403         bound for flexible array members.
17404         * c-tree.h: Include "diagnostic.h".
17405         (c_initialize_diagnostics): Declare.
17406         * objc/objc-lang.c (LANG_HOOKS_INITIALIZE_DIAGNOSTICS): Define.
17407         * c-format.c (format_type_warning): New function.  Improve
17408         diagnostics for incorrect format argument types.
17409         (check_format_types): Use it.  Add two parameters.  Use the
17410         TYPE_MAIN_VARIANT of wanted_type.
17411         (check_format_info_main): Pass new parameters to
17412         check_format_types.
17413         (struct format_wanted_type): Update comment.
17414
17415 2004-07-01  Nick Clifton  <nickc@redhat.com>
17416
17417         * target.h (struct gcc_target): Add new field to struct cxx:
17418         import_export_class.
17419         * target-def.h (TARGET_CXX): Initialise the new field.
17420         (TARGET_CXX_IMPORT_EXPORT_CLASS): Provide a default value for
17421         the new field.
17422         * doc/tm.texi: Document the new target hook.
17423
17424 2004-07-01  Paolo Bonzini  <bonzini@gnu.org>
17425
17426         * builtins.c (fold_builtin_classify): Fix typo.
17427
17428 2004-07-01  Richard Henderson  <rth@redhat.com>
17429
17430         * function.c (identify_blocks, identify_blocks_1): Remove.
17431         * function.h (identify_blocks): Remove.
17432         * rtl.h (NOTE_INSN_BLOCK_BEG): Update comment.
17433
17434 2004-07-01  Paolo Bonzini  <bonzini@gnu.org>
17435
17436         * builtins.c (fold_builtin_classify): New.
17437         (fold_builtin_unordered_cmp): Fix commentary.
17438         (fold_builtin): Use it.
17439         * builtins.def: Define builtins for isnan,
17440         isnanf, isnanl, finite, finitef, finitel,
17441         isinf, isinff, isinfl.
17442
17443 2004-07-01  Richard Henderson  <rth@redhat.com>
17444
17445         * function.h (struct function): Remove dont_emit_block_notes.
17446         * gimple-low.c (lower_function_body): Don't set it.
17447         * cfgexpand.c (expand_block): Don't check it.
17448         * cfglayout.c (insn_locators_initialize): Likewise.
17449         * expr.c (expand_expr_real, expand_expr_real_1): Likewise.
17450         * passes.c (rest_of_compilation): Likewise.
17451         * stmt.c (expand_start_bindings_and_block): Likewise.
17452         (expand_end_bindings): Likewise.
17453
17454 2004-07-01  Richard Henderson  <rth@redhat.com>
17455
17456         * cgraph.h (cgraph_build_static_cdtor): Declare.
17457         * cgraphunit.c (cgraph_build_static_cdtor): New.
17458         * c-objc-common.c (build_cdtor): Use it.
17459         * coverage.c (create_coverage): Likewise.
17460         * libfuncs.h (LTI_gcov_init, gcov_init_libfunc): Remove.
17461         * optabs.c (init_optabs): Don't set gcov_init_libfunc.
17462
17463 See ChangeLog.11 for earlier changes.