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PR c/13519
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2004-06-06  Joseph S. Myers  <jsm@polyomino.org.uk>
2
3         PR c/13519
4         * c-typeck.c (composite_type, common_pointer_type): New functions.
5         (common_type): Split parts into composite_type and
6         common_pointer_type.  Ensure that arithmetic operations return
7         unqualified types without attributes.  Don't make composite type
8         of signed enum and compatible integer be unsigned.
9         (build_conditional_expr, build_binary_op): Use
10         common_pointer_type.
11         * c-decl.c (merge_decls): Use composite_type.
12         * c-tree.h (composite_type): Declare.
13
14 2004-06-06  Stephane Carrez  <stcarrez@nerim.fr>
15
16         PR target/14457
17         * config/m68hc11/m68hc11.c (splitable_operand): New predicate.
18         * config/m68hc11/m68hc11-protos.h (splitable_operand): Declare.
19         * config/m68hc11/m68hc11.h (PREDICATE_CODES): Register it.
20         (inhibit_libc): Must define.
21         * config/m68hc11/m68hc11.md ("movhi_const0"): Use splitable_operand.
22         ("*andhi3_gen", "iorhi3", "*iorhi3_gen"): Likewise.
23         ("xorhi3"): Likewise.
24
25 2004-06-06  Eric Botcazou  <ebotcazou@libertysurf.fr>
26
27         * cgraphunit.c (cgraph_decide_inlining): Adjust dump lines in
28         always_inline pass.
29
30 2004-06-05  David S. Miller  <davem@nuts.davemloft.net>
31
32         * config/sparc/linux.h (TARGET_C99_FUNCTIONS): Set.
33         * config/sparc/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
34
35 2004-06-05  Bernardo Innocenti  <bernie@develer.com>
36
37         * regclass.c (init_reg_sets): Check for missing registers in target
38         initializer macros FIXED_REGISTERS and CALL_USED_REGISTERS.
39
40 2004-06-05  Zack Weinberg  <zack@codesourcery.com>
41
42         * Makefile.in (MKDEPS_H): New shorthand.
43         (c-opts.o): Update dependencies.
44         * c-opts.c: Include mkdeps.h.
45         (handle_deferred_opts): Use cpp_get_deps and deps_add_target,
46         not cpp_add_dependency_target.
47
48 2004-06-05  Steven Bosscher  <stevenb@suse.de>
49
50         * config/v850/v850.c (v850_use_dfa_pipeline_interface): New.
51         * config/v850/v850.md: Convert to DFA scheduler description.
52
53 2004-06-05  Tobias Schlueter  <tobias.schlueter@physik.uni-muenchen.de>
54
55         PR fortran/15478
56         * doc/install.texi: Document GMP as prerequisite. Document
57         --with-gmp and --with-gmp-dir configure options.
58         * fortran/gfortran.texi: Remove section "Compiling and testing",
59         remove TOC reference to it.
60
61 2004-06-05  Graham Stott  <graham.stott@btinternet.com>
62
63         * combine.c(simplify_shift_const): Check shift amount is a
64         CONST_INT.
65
66 2004-06-05  Danny Smith  <dannysmith@users.sourceforge.net>
67
68         * toplev.c (init_asm_output): Add explicit 'b' to mode when
69         opening asm_out_file.
70         * c-pch.c (c_common_write_pch): Remove unnecessary fflush before
71         reading asm_out_file. Replace fflush after reading asm_out_file
72         with fseek.
73         * hosthooks-def.h (HOST_HOOKS_GT_PCH_ALLOC_GRANULARITY): Define
74         default and add to HOST_HOOKS_INITIALIZER.
75         * hosthooks.h (gt_pch_alloc_granularity): Declare hook function.
76         * ggc-common.c (default_gt_pch_alloc_granularity): New function.
77         (gt_pch_save): Use host_hooks.gt_pch_alloc_granularity
78         to set mmi.offset padding.
79          * config.gcc (i[34567]86-*-mingw32*): Set target_gtfiles to
80         $(srcdir)/config/i386/winnt.c.
81         (i[34567]86-*-pe | i[34567]86-*-cygwin*): Likewise.
82         (i[34567]86-*-uwin*): Likewise.
83         *i[34567]86-*-interix3*): Likewise.
84         * config.host (i[34567]86-*-mingw32*): Set out_host_hook_obj.
85         * config/i386/host-mingw32.c: New file.
86         * config/i386/x-mingw32: Add rule for host-mingw32.o.
87         * config/i386/winnt.c: (struct extern_list) Tag as GTY.
88         (extern_head): Likewise.
89         (struct export_list) Likewise.
90         (export_head): Likewise.
91         (i386_pe_record_external_function): Use ggc_alloc.
92         (i386_pe_record_exported_symbol): Likewise.
93         Include "gt-winnt.h" at end.
94         * doc/hostconfig.texi: Document
95         HOST_HOOKS_GT_PCH_ALLOC_GRANULARITY.
96
97 2004-06-04  Bernardo Innocenti  <bernie@develer.com>
98
99         * config/m68k/m68k.h: Remove comments copied over from tm.texi.
100         Rename 68000 and 68k to m68k for consistency in comments.  Remove
101         trailing whitespace before EOLs and before TABs.
102         (MAX_CODE_ALIGN): Remove unused macro.
103         (CALL_USED_REGISTERS): Reformat and add comments.
104
105 2004-06-04  Frank Ch. Eigler  <fche@redhat.com>
106
107         * gcc.c (MFLIB_SPEC): Remove library references, to require users
108         to enumerate -lmudflap* and dependencies when linking.
109
110 2004-06-04  Paolo Bonzini  <bonzini@gnu.org>
111
112         PR target/15822
113         * dojump.c (do_jump): Fix uninitialized variable tcode1.
114
115 2004-06-04  Jerry Quinn  <jlquinn@optonline.net>
116
117         * Makefile.in (insn-conditions.o): Back out removal of reload.h.
118         * genconditions.c (write_header): Back out removal of reload.h.
119
120 2004-06-04  Jan Hubicka  <jh@suse.cz>
121
122         Re-apply hopefully fixed patch:
123         * i386.md (UNSPECV_EH_RETURN): Kill.
124         (eh_return): Use jump_insn.
125         (eh_return_si, eh_return_di): Change pattern to jump instruction.
126
127 2004-06-04  Jeff Law  <law@redhat.com>
128
129         * cfgrtl.c (try_redirect_by_replacing_jump): Fix return value.
130
131 2004-06-04  Steven Bosscher  <stevenb@suse.de>
132
133         * except.c (for_each_eh_region): New function.
134         * except.h (for_each_eh_region): Add a prototype for it.
135         * tree-cfg.c (update_eh_labels): New function, callback for
136         for_each_eh_region.
137         (label_for_bb): Make global static, unfortunately.
138         (cleanup_dead_labels): Also update label references for
139         exception regions.
140
141 2004-06-03  Chris Demetriou  <cgd@broadcom.com>
142
143         * config/mips/mips.c (struct irix_section_align_entry): Fix
144         GTY marker.
145
146 2004-06-03  Geoffrey Keating  <geoffk@apple.com>
147
148         * toplev.c (check_global_declarations): Don't ask for
149         DECL_ASSEMBLER_NAME unless the function really is declared
150         static and not defined.
151
152 2004-06-03  Matt Austern  <austern@apple.com>
153
154         PR c++/15428
155         * default.h (TARGET_WEAK_NOT_IN_ARCHIVE_TOC): New name
156         for TARGET_EXPLICIT_INSTANTIATIONS_ONE_ONLY, with reversed sense.
157         * config/darwin.h (TARGET_WEAK_NOT_IN_ARCHIVE_TOC): Likewise.
158         * doc/tm.texi (TARGET_WEAK_NOT_IN_ARCHIVE_TOC): Rewrite
159         documentation to reflect the new macro name and to clarify its
160         meaning.
161
162 2004-06-03  Steven Bosscher  <stevenb@suse.de>
163
164         * rtl.def (VAR_LOCATION): Make RTX_EXTRA.
165
166 2004-06-03  Andrew Pinski  <pinskia@physics.uc.edu>
167
168         * config/darwin.c (machopic_indirect_data_reference): Copy
169         the SYMBOL_REF_DECL from the original RTX for the new
170         non-lazy pointer RTX.
171
172 2004-06-03  Mark G. Adams  <mark.g.adams@sympatico.ca>
173
174         * tree.h: Remove include of version.h
175         * c-cppbuiltin.c: Include version.h
176         * diagnostic.c: Include version.h
177         * dwarf2out.c: Include version.h
178         * toplev.c: Include version.h
179         * vmsdbgout.c: Include version.h
180         * Makefile.in: Remove dependency on version.h from TREE_H, and
181         add dependencies to required .o targets
182
183 2004-06-03  Jerry Quinn  <jlquinn@optonline.net>
184
185         * Makefile.in (RA_H, RESOURCE_H, SCHED_INT_H, CFGLAYOUT_H,
186         CFGLOOP_H, DF_H, DDG_H, TREE_SSA_LIVE_H): New.
187         (TARGET_H): Add insn-modes.h.
188         (tree-ssa.o, tree-cfg.o, tree-ssa-loop.o, toplev.o, passes.o,
189         loop.o, loop-doloop.o, unroll.o, cfgloop.o, cfgloopanal.o,
190         loop-iv.o, cfgloopmanip.o, loop-init.o, loop-unswitch.o,
191         loop-unroll.o, ddg.o, modulo-sched.o, predict.o,
192         cfglayout.o, ifcvt.o): Replace cfgloop.h with CFGLOOP_H.
193         (toplev.o, passes.o, cfghooks.o, cfgloopmanip.o, loop-init.o,
194         loop-unswitch.o, loop-unroll.o, ddg.o, modulo-sched.o,
195         bb-reorder.o, tracer.o, cfglayout.o): Replace cfglayout.h with
196         CFGLAYOUT_H.
197         (ra.o, ra-build.o, ra-colorize.o, ra-debug.o, ra-rewrite.o):
198         Replace ra.h with RA_H.
199         (resource.o, regrename.o, insn-conditions.o, insn-emit.o,
200         insn-recog.o): Replace resource.h with RESOURCE_H.
201         (ddg.o, modulo-sched.o, haifa-sched.o, sched-deps.o, sched-rgn.o,
202         sched-ebb.o, sched-vis.o, out_object_file):  Replace sched-int.h
203         with SCHED_INT_H.
204         (web.o, lcm.o, df.o, ra.o, ra-build.o, ra-colorize.o, ra-debug.o,
205         ra-rewrite.o): Replace df.h with DF_H.
206         (ddg.o, modulo-sched.o): Replace ddf.h with DDG_H.
207         (tree-outof-ssa.o, tree-ssa-live.o, tree-ssa-copyrename.o):
208         Replace tree-ssa-live.h with TREE_SSA_LIVE_H.
209         (insn-conditions.o): Remove unused reload.h.
210         * cfglayout.h: Add include guard.  Include basic-block.h.
211         * cfgloop.h: Add include guard.  Include basic-block.h, rtl.h.
212         * ddg.h: Include sbitmap.h, basic-block.h, df.h.
213         * df.h: Add include guard.  Include bitmap.h, sbitmap.h,
214         basic-block.h.
215         * genconditions.c:  Remove reload.h.
216         * ra.h: Add include guard.  Include bitmap.h, sbitmap.h,
217         hard-reg-set.h, insn-modes.h.
218         * resource.h: Add include guard.  Include hard-reg-set.h.
219         * sched-int.h:  Add include guard.  Include insn-attr.h,
220         basic-block.h, rtl.h.
221         * target.h: Add include guard.  Include insn-modes.h.
222         * tree-ssa-live.h: Include partition.h.
223
224 2004-06-03  Daniel Berlin  <dberlin@dberlin.org>
225                 Kenneth Zadeck <zadeck@naturalbridge.com>
226
227         * tree-ssa-ccp.c (varying_ssa_edges): New worklist.
228         (add_var_to_ssa_edges_worklist): Add value argument.
229         Update callers.
230         Use new worklist.
231         (process_ssa_edge_worklist): New function.
232         (tree_ssa_ccp): Move worklist processing core to
233         process_ssa_edge_worklist, and just call that for the two worklists.
234
235 2004-06-03  Steven Bosscher  <stevenb@suse.de>
236
237         * basic-block.c (tail_recursion_label_list): Don't declare.
238         (CLEANUP_PRE_SIBCALL): Remove.  Renumber the other CLEANUP_*
239         accordingly.
240         * cfgbuild.c (find_label_refs): Remove.
241         (find_basic_blocks_1): Don't handle CALL_PLACEHOLDER insns.
242         * cfgcleanup.c (tail_recursion_label_p): Remove.
243         (merge_blocks_move): Do not check for tail recursion.
244         (try_optimize_cfg): Likewise.
245         (cleanup_cfg): Never handle CLEANUP_PRE_SIBCALL.
246         * cfgrtl.c (tail_recursion_label_list): Remove.
247         * except.c (remove_unreachable_regions): Don't handle
248         CALL_PLACEHOLDER insns.
249         (convert_from_eh_region_ranges_1, can_throw_internal,
250         can_throw_external): Likewise.
251         * function.c (free_after_compilation): Don't clear
252         x_tail_recursion_label.
253         (fixup_var_refs_insns): Don't handle CALL_PLACEHOLDER insns.
254         (identify_blocks_1): Don't recurse for CALL_PLACEHOLDER insns.
255         (reorder_blocks_1): Likewise.
256         * function.h (struct function): Remove x_tail_recursion_label
257         member.  Don't define tail_recursion_label.
258         * jump.c (mark_all_labels): Don't handle CALL_PLACEHOLDER insns.
259         * print-rtl.c (print_rtx): Likewise.
260         * rtl.def (CALL_PLACEHOLDER): Remove.
261         * rtl.h (sibcall_use_t): Remove enum.
262         (optimize_sibling_and_tail_recursive_calls,
263         replace_call_placeholder): Remove function prototypes.
264         * stmt.c (tail_recursion_args): Remove.
265         (optimize_tail_recursion): Remove.
266         (expand_return): Don't check for possible tail recursion.
267         * tree.h (optimize_tail_recursion): Remove prototype.
268
269 2004-06-02  Jan Hubicka  <jh@suse.cz>
270
271         * tree-cfg.c (tree_find_edge_insert_loc):  Allow inserting before
272         return_stmt.
273
274 2004-06-02  Jason Merrill  <jason@redhat.com>
275
276         * Makefile.in (TAGS): Don't mess with c-parse.[ch].
277         Do include c-parse.in.
278
279 2004-06-02  Eric Christopher  <echristo@redhat.com>
280
281         * c-typeck.c (common_type): Don't lose type qualifiers
282         when creating new variants.
283
284 2004-06-02  Andrew Pinski  <pinskia@physics.uc.edu>
285
286         PR tree-optimization/14042
287         PR tree-optimization/14729
288         PR tree-optimization/14736
289         * tree-ssa.c (tree_ssa_useless_type_conversion_1):
290         Check the type which the pointer points to
291         instead of the pointer types.
292
293 2004-06-02  Kazu Hirata  <kazu@cs.umass.edu>
294
295         PR tree-optimization/15738.
296         * builtins.c (fold_builtin_strchr): Transform
297         strrchr (s, '\0') to strchr (s, '\0').
298
299 2004-06-02  Steven Bosscher  <stevenb@suse.de>
300
301         * i386.c (ix86_adjust_cost): Don't increase the cost for
302         load+operation for PROCESSOR_PENTIUMPRO, it is already
303         modelled in the DFA description
304
305 2004-06-01  Jerry Quinn  <jlquinn@optonline.net>
306
307         * Makefile.in (EXPR_H): Add insn-config.h, function.h,
308         $(RTL_H), flags.h, $(TREE_H), $(MACHMODE_H), $(EXPR_H).
309         (ALIAS_H, EMIT_RTL_H): New.
310         (cselib.o): Replace EXPR_H with EMIT_RTL_H.
311         (cfgcleanup.o): Add EMIT_RTL_H.
312         (alias.o): Replace EXPR_H with EMIT_RTL_H and ALIAS_H.
313         * alias.c: Replace expr.h with emit-rtl.h and alias.h.
314         * attribs.c, c-lex.c, c-obj-common.c, c-semantics.c: Remove expr.h.
315         * cfgcleanup.c, cselib.c: Replace expr.h with emit-rtl.h.
316         * expr.h: Add include guard.  Include function.h, rtl.h, flags.h,
317         tree.h, machmode.h, insn-config.h, alias.h, emit-rtl.h.
318         (get_varargs_alias_set, get_frame_alias_set, record_base_value,
319         record_alias_subset, new_alias_set, can_address_p): Move to alias.h.
320         (set_mem_alias_set, set_mem_align, set_mem_expr, set_mem_offset,
321         set_mem_size): Move to emit-rtl.h.
322         * emit-rtl.h: New.
323         * alias.h: New.
324
325 2004-06-01  Eric Botcazou  <ebotcazou@act-europe.fr>
326
327         * function.c (walk_fixup_memory_subreg): New parameter 'var'.
328         Call fixup_memory_subreg only if the MEM is equal to 'var'.
329         Adjust recursive calls to self.
330         (fixup_var_refs_insn): Pass 'var' to walk_fixup_memory_subreg.
331
332 2004-06-01  Richard Henderson  <rth@redhat.com>
333             Andrew Pinski  <pinskia@physics.uc.edu>
334
335         * c-parse.in (OFFSETOF, offsetof_member_designator): New.
336         (primary): Handle offsetof.  Add error productions for faux functions.
337         Move component_ref objc checking to build_component_ref.
338         (reswords): Add offsetof.
339         (rid_to_yy): Add offsetof.
340         * c-tree.h (build_offsetof): Declare.
341         * c-common.h (objc_is_public): Declare.
342         * c-typeck.c (build_component_ref): Check objc_is_public.
343         (build_offsetof): New.
344         * stub-objc.c (objc_is_public): New.
345         * objc/objc-act.c, objc/objc-act.h (objc_is_public): Rename
346         from is_public.
347         * ginclude/stddef.h (offsetof): Use __builtin_offsetof.
348         * doc/extend.texi (Offsetof): Move from C++ section to C section
349         and rewrite for __builtin_offsetof.
350
351 2004-06-01  Peter Barada  <peter@the-baradas.com>
352             Peter Jakubek  <peter@laseranimation.com>
353
354         * config/m68k/m68k.c(m68k_output_mi_thunk):  For ColdFire, use %d0 as
355         a scratch to perform an add to memory.
356
357 2004-06-01  Bernardo Innocenti  <bernie@develer.com>
358
359         PR target/14018
360         * config/m68k/m68k.c (m68k_align_loops_string, m68k_align_jumps_string,
361         m68k_align_funcs_string, m68k_align_loops, m68k_align_jumps,
362         m68k_align_funcs): Remove.
363         (override_options): Remove code to handle -malign-* options.
364         * config/m68k/m68k.h (TARGET_OPTIONS): Remove -malign-* options.
365         (FUNCTION_BOUNDARY, LOOP_ALIGN, LOOP_ALIGN_AFTER_BARRIER): Remove.
366         (m68k_align_loops_string, m68k_align_jumps_string,
367         m68k_align_funcs_string, m68k_align_loops, m68k_align_jumps,
368         m68k_align_funcs): Remove definitions.
369
370 2004-06-01  Paul Eggert  <eggert@cs.ucla.edu>
371
372         PR target/15626
373         * doc/install.texi (sparc-sun-solaris2*): Document messages issued
374         by the Sun linker in conjunction with the Sun assembler.
375         (sparc-sun-solaris2.7): Update revision info for Sun patch 106950.
376
377 2004-06-01  Jeff Law  <law@redhat.com>
378
379         * stmt.c (expand_decl): Be more selective about calling
380         mark_reg_pointer.
381
382 2004-06-01  Nicola Pero  <nicola@brainstorm.co.uk>
383
384         PR objc/7993
385         * objc-act.c (is_private): Do not emit the 'instance variable %s
386         is declared private' error.
387         (is_public): Emit the error after calling is_private.
388         (lookup_objc_ivar): If the instance variable is private, return 0
389         - the instance variable is invisible here.
390
391 2004-06-01  Eric Botcazou  <ebotcazou@libertysurf.fr>
392
393         * doc/invoke.texi (-static-libgcc): Explicitly mention
394         non-GNU linkers.
395
396 2004-06-01  Bernardo Innocenti  <bernie@develer.com>
397
398         PR target/12968
399         * doc/invoke.texi: Document stack alignment side-effect of -mshort.
400
401 2004-05-31  Joseph S. Myers  <jsm@polyomino.org.uk>
402
403         PR c/15749
404         * c-decl.c (grokdeclarator, finish_struct): Don't pedwarn for
405         misuses of structures with flexible array members if
406         in_system_header.
407
408 2004-05-31  Eric Botcazou  <ebotcazou@libertysurf.fr>
409
410         PR target/15693
411         * config/sparc/sparc.c (compare_operand): New predicate.
412         * config/sparc/sparc.h (PREDICATE_CODES): Add it.
413         * config/sparc/sparc.md (cmpsi expander): Use it.  If the first
414         operand is a ZERO_EXTRACT and the second operand is not zero,
415         force the former to a register.
416         (cmpdi expander): Likewise.
417
418 2004-05-31  Geoffrey Keating  <geoffk@apple.com>
419
420         * gengtype-lex.l: Catch stray GTY markers in the files gengtype
421         looks at.
422         * alias.c (alias_invariant_size): Make alias_invariant_size
423         static, fix GTY marker.
424
425 2004-05-31  Kazu Hirata  <kazu@cs.umass.edu>
426
427         PR tree-optimization/15743.
428         * builtins.c (fold_builtin_1): Fold index() and rindex().
429
430 2004-05-31  Roger Sayle  <roger@eyesopen.com>
431
432         PR middle-end/15069
433         * fold-const.c (fold_single_bit_test): Only perform "(X & C) != 0"
434         into "X < 0" (where C is the signbit) if X's type is a full mode.
435
436 2004-05-31  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
437
438         * pa.md: Disable the peephole2 patterns that generate indexed
439         floating-point stores when indexing is disabled.
440
441 2004-05-31  Gabriel Dos Reis  <gdr@integrable-solutions.net>
442
443         * c-pretty-print.c (pp_c_left_bracket): Make a function.
444         (pp_c_right_bracket): Likewise.
445         (pp_c_star): Likewise.
446         (pp_c_ampersand): Define.
447         * c-pretty-print.h (pp_c_left_bracket): Declare.
448         (pp_c_right_bracket): Likewise.
449         (pp_c_star): Likewise.
450         (pp_c_ampersand): Likewise.
451
452 2004-05-31  Eric Botcazou  <ebotcazou@libertysurf.fr>
453
454         * config/sol2.h (__enable_execute_stack): ANSIfy function
455         definition.
456
457 2004-05-31  Danny Smith  <dannysmith@users.sourceforge.net>
458
459         * c-incpath.c (add_path): Canonicalize paths to use '/' if
460         HAVE_DOS_BASED_FILESYSTEM.
461
462 2004-05-31  Steven Bosscher  <stevenb@suse.de>
463
464         * tree-ssa-dom.c (record_equivalences_from_incoming_edge):
465         Only look at case labels if the immediate dominator is also
466         the only predecessor.  Don't look for more case labels if the
467         first seen is a case range.
468
469 2004-05-31  Kazu Hirata  <kazu@cs.umass.edu>
470
471         * builtins.c: Add a prototype for fold_builtin_strchr().
472
473 2004-05-31  Paolo Bonzini  <bonzini@gnu.org>
474
475         Revert this patch:
476         2004-05-27  Paolo Bonzini  <bonzini@gnu.org>
477
478         * combine.c (gen_binary): Remove.
479         (known_cond, simplify_shift_const
480         find_split_point, combine_simplify_rtx,
481         simplify_if_then_else, simplify_set,
482         simplify_logical, expand_field_assignment,
483         extract_left_shift, force_to_mode,
484         if_then_else_cond, apply_distributive_law,
485         simplify_and_const_int, simplify_shift_const,
486         gen_lowpart_for_combine, simplify_comparison,
487         reversed_comparison): Replace with
488         simplify_gen_binary, simplify_gen_relational or
489         distribute_and_simplify_rtx.
490         (distribute_and_simplify_rtx): New function.
491
492 2004-05-30  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
493
494         * pa.c (emit_move_sequence): Fix loading of non 14-bit CONST operands
495         when generating PIC code.
496
497 2004-05-30  Andrew Pinski  <pinskia@physics.uc.edu>
498
499         * c-decl.c (c_expand_body_1): Remove and fold back into ...
500         (c_expand_body): here.
501         (c_expand_decl): Move to ...
502         * c-common.c (c_expand_decl): Here and remove check for nested
503         functions.
504         * c-common.h (c_expand_decl): Add prototype.
505         * c-tree.h (c_expand_decl): Remove.
506
507 2004-05-30  Roger Sayle  <roger@eyesopen.com>
508
509         * fold-const.c (combine_comparisons, optimize_bit_field_compare,
510         range_binop, fold_truthop, fold_binary_op_with_conditional_arg,
511         fold_mathfn_compare, fold_inf_compare, fold,
512         fold_relational_hi_lo, nondestructive_fold_binary_to_constant):
513         Use constant_boolean_node where appropriate.  Don't bother using
514         fold_convert on the second argument to omit_one_operand.
515
516 2004-05-30  Roger Sayle  <roger@eyesopen.com>
517
518         * doc/c-tree.texi (Expressions): Document FLOOR_DIV_EXPR,
519         CEIL_DIV_EXPR, ROUND_DIV_EXPR, FLOOR_MOD_EXPR, CEIL_MOD_EXPR,
520         ROUND_MOD_EXPR, EXACT_DIV_EXPR.  Improve documentation of
521         TRUNC_DIV_EXPR, TRUNC_MOD_EXPR and comparison operations.
522         Add missing (but documented) tree nodes to the index.
523
524 2004-05-30  Steven Bosscher  <stevenb@suse.de>
525
526         PR tree-optimization/14819
527         * builtins.c (fold_builtin_strchr): New.
528         (fold_builtin_1): Handle BUILT_IN_STRCHR and BUILT_IN_STRRCHR
529         with fold_builtin_strchr().
530
531 2004-05-30  Kazu Hirata  <kazu@cs.umass.edu>
532
533         * bb-reorder.c, builtins.c, c-common.c, c-gimplify.c,
534         c-incpath.c, cgraphunit.c, ddg.c, defaults.h, dwarf2out.c,
535         expmed.c, flags.h, gcc.c, gensupport.c, gimplify.c, global.c,
536         passes.c, reg-stack.c, target.h, toplev.c, tree-alias-ander.c,
537         tree-alias-common.c, tree-cfg.c, tree-complex.c, tree-dfa.c,
538         tree-eh.c, tree-mudflap.c, tree-mudflap.h, tree-outof-ssa.c,
539         tree-phinodes.c, tree-pretty-print.c, tree-ssa-alias.c,
540         tree-ssa-ccp.c, tree-ssa-live.c, tree-ssa-live.h,
541         tree-ssa-pre.c, tree.h, value-prof.h, varasm.c: Fix comment
542         formatting.
543
544 2004-05-30  Steven Bosscher  <stevenb@suse.de>
545
546         * gimplify.c (sort_case_labels): New.  Split out from...
547         (gimplify_switch_expr): ...here.  Use it.
548         * tree-eh.c (lower_try_finally_switch): Sort the labels of
549         the SWITCH_EXPR created here before leaving the function.
550         * tree.c (sort_case_labels): Add prototype.
551
552 2004-05-30  Andrew Pinski  <pinskia@physics.uc.edu>
553
554         * fold-const.c (fold) [case TRUTH_NOT_EXPR]: Make sure the type is
555         of BOOLEAN_TYPE.
556
557 2004-05-30  Kazu Hirata  <kazu@cs.umass.edu>
558
559         * c-common.c, calls.c, cfgcleanup.c, cgraph.c, cgraphunit.c,
560         ddg.c, ddg.h, df.c, df.h, except.c, expr.c, flags.h,
561         fold-const.c, gcc.c, gimplify.c, haifa-sched.c,
562         modulo-sched.c, tree-inline.c, tree-into-ssa.c, tree-nested.c,
563         tree-nrv.c, tree-ssa-ccp.c, tree-ssa-dom.c, tree-ssa-live.c,
564         tree-ssa-loop.c, tree-ssa-pre.c, tree-tailcall.c, tree.h: Fix
565         comment typos.  Follow spelling conventions.
566
567 2004-05-29  Geoffrey Keating  <geoffk@apple.com>
568
569         * gengtype-yacc.y: Add NESTED_PTR token.
570         (option): Record `nested_ptr' option.
571         * gengtype-lex.l: Handle `nested_ptr' keyword.
572         * gengtype.c (walk_type): Process `nested_ptr' option.
573         * gengtype.h (struct nested_ptr_data): New.
574         * doc/gty.texi (GTY Options): Document `nested_ptr' option.
575         * stringpool.c (struct string_pool_data): Make 'entries' point to
576         ht_identifier instead of tree.
577         (gt_pch_save_stringpool): Don't adjust pointers.
578         (gt_pch_restore_stringpool): Call ht_load.
579
580 2004-05-29  Jason Merrill  <jason@redhat.com>
581
582         * gimplify.c (gimplify_expr): Don't build a statement list
583         if no gimplification was necessary.
584
585 2004-05-29  Joseph S. Myers  <jsm@polyomino.org.uk>
586
587         * pretty-print.c (pp_base_format_text): Support %< instead of %`
588         and %> as well as %'.
589         * c-format.c: Use %< and %>.
590         (gcc_diag_char_table, gcc_cdiag_char_table,
591         gcc_cxxdiag_char_table): Update.
592
593 2004-05-29  Joseph S. Myers  <jsm@polyomino.org.uk>
594
595         * c-typeck.c (common_type): Correct comment.
596
597 2004-05-29  Peter Barada  <peter@the-baradas.com>
598
599         * config/m68k/m68k.c (CONST_METHOD): Add MVZ, MVS.
600         * config/m68k/m68k.c (const_method): Likewise.
601         * config/m68k/m68k.c (const_int_cost): Likewise.
602         * config/m68k/m68k.c (const_int_cost): Likewise.
603         * config/m68k/m68k.c (output_move_const_into_data_reg): Likewise.
604
605 2004-05-29  Peter Barada  <peter@the-baradas.com>
606
607         * config/m68k/m68k.h (EXTRA_CONSTRAINT): add 'U' for register offset
608         addressing.
609         * config/m68k/m68k.md: Add 'U,U' alternative to ColdFire variants of
610         movsi,movhi,movqi insn patterns.
611
612 2005-05-28  Andrew Pinski  <pinskia@physics.uc.edu>
613
614         * c-semantics.c (emit_local_var): Remove code for DECL_INITIAL.
615
616         PR target/15720
617         * config/darwin.c (machopic_indirect_call_target): Copy
618         the SYMBOL_REF_DECL from the original RTX for the new
619         stub RTX.
620
621 2004-05-28  DJ Delorie  <dj@redhat.com>
622
623         * stor-layout.c (place_field): Revert erroneous commit.
624
625 2004-05-28  Ziemowit Laski  <zlaski@apple.com>
626
627         * config/rs6000/altivec.h (vec_ctf, vec_vcfsx, vec_vcfux, vec_cts,
628         vec_ctu, vec_dss, vec_dst, vec_dstst, vec_dststt, vec_dstt, vec_ld,
629         vec_ldl, vec_lvsl, vec_lvsr, vec_sld, vec_splat, vec_vspltw,
630         vec_vsplth, vec_vspltb, vec_splat_s8, vec_splat_s16, vec_splat_s32,
631         vec_splat_u8, vec_splat_u16, vec_splat_u32, vec_st, vec_stl,
632         vec_ste): Remove type checks for integral parameters and literals
633         from '..._args_eq' macros.
634
635 2004-05-28  Aldy Hernandez  <aldyh@redhat.com>
636
637         * c-common.c (fname_as_string): Fix xcalloc to xmalloc.
638
639 2004-05-28  Aldy Hernandez  <aldyh@redhat.com>
640
641         * testsuite/g++.dg/charset/function.cc: New.
642
643         * testsuite/gcc.dg/charset/function.c: New.
644
645         * c-decl.c (c_make_fname_decl): Free return value from
646         fname_as_string.
647
648         * cp/decl.c (cp_make_fname_decl): Free return value from
649         fname_as_string.
650
651         * c-common.c (fname_as_string): Translate if necessary.
652
653 2004-05-28  Geoffrey Keating  <geoffk@apple.com>
654
655         * stringpool.c: Add comments to PCH saving/restoring routines.
656
657 2004-05-28  Andrew Pinski  <pinskia@physics.uc.edu>
658
659         * c-common.c (c_estimate_num_insns_1): Kill.
660         (c_estimate_num_insns): Kill.
661         * c-common.h (c_estimate_num_insns): Kill.
662
663         * gthr-posix.h: Check for _POSIX_PRIORITY_SCHEDULING
664         when checking for _POSIX_THREAD_PRIORITY_SCHEDULING.
665         Remove comment about not checking for
666         _POSIX_PRIORITY_SCHEDULING.
667         * gthr-posix.c: Likewise.
668
669 2004-05-28  Paolo Bonzini  <bonzini@gnu.org>
670             Roger Sayle  <roger@eyesopen.com>
671
672         PR rtl-optimization/15649
673         Add LTGT_EXPR and improve pretty-printing of unordered
674         comparisons.
675         * c-common.c (c_common_truthvalue_conversion):
676         Handle LTGT_EXPR.
677         * c-typeck.c (build_binary_op): Likewise.
678         * dojump.c (do_jump): Likewise.
679         * expr.c (expand_expr_real_1, do_store_flag): Likewise.
680         * predict.c (tree_predict_by_opcode): Likewise.
681         * real.c (real_compare): Likewise.
682         * tree-cfg.c (verify_expr): Likewise.
683         * tree-inline.c (estimate_num_insns_1): Likewise.
684         * tree-pretty-print.c (dump_generic_node): Likewise.
685         Handle ORDERED_EXPR, UNORDERED_EXPR.
686         (op_symbol): Print unordered comparisons differently
687         than ordered ones.
688         * tree.def (LTGT_EXPR): New '<' tree code.
689         * doc/c-tree.texi (Expressions): Document floating-point
690         comparison nodes.
691
692         Fold comparisons between floating point values.
693         * fold-const.c (enum comparison_code): New, from
694         #define'd constants.  Define compcodes for unordered
695         comparisons and for invalid transformations.
696         (invert_tree_comparison): Add "honor_nans" parameter.
697         (fold_truthop): Revamp to work on floating-point types too.
698         (comparison_to_compcode): Support unordered comparisons.
699         Use new enum comparison_code.
700         (compcode_to_comparison): Likewise.
701         (combine_compcodes): New function.
702         (invert_truthvalue): Let invert_tree_comparison decide
703         whether it is valid to fold the comparison.  Fold ORDERED
704         and UNORDERED even if flag_unsafe_math_optimizations is off,
705         and the remaining even if flag_unsafe_math_optimizations
706         is off but we are under -fno-trapping-math.
707         (fold_relational_const): Integer modes do not honor NaNs.
708
709 2004-05-28  Paul Brook  <paul@codesourcery.com>
710
711         * config/arm/arm.c (arm_output_epilogue): Remove redundant code.
712
713 2004-05-28  Paul Brook  <paul@codesourcery.com>
714
715         * config/arm/arm.c (thumb_force_lr_save): New function.
716         (arm_get_frame_offsets, thumb_unexpanded_epilogue,
717         thumb_output_function_prologue): Use it.
718         (thumb_expand_prologue): Set lr_save_eliminated.
719
720 2004-05-28  Richard Sandiford  <rsandifo@redhat.com>
721
722         * config/mips/mips.md (extendsidi2): Tie the source and destination
723         of the register alternative.  Split it into nothing.
724
725 2004-05-28  Richard Sandiford  <rsandifo@redhat.com>
726
727         * rtl.h (skip_consecutive_labels): Declare.
728         * emit-rtl.c (skip_consecutive_labels): New function.
729         * reorg.c (relax_delay_slots, dbr_schedule): Use it.
730         * jump.c (follow_jumps): Say what null return values mean.
731
732 2004-05-28  Kaz Kojima  <kkojima@gcc.gnu.org>
733
734         PR target/13250
735         * config/sh/sh.md (rotlsi3): Use emit_move_insn.
736
737 2004-05-27  Kaz Kojima  <kkojima@gcc.gnu.org>
738
739         * config/sh/t-linux (SHLIB_MAPFILES): Use sh specific
740         libgcc-std.ver.
741         * config/sh/libgcc-std.ver: New file.
742
743 2004-05-27  Bryce McKinlay  <mckinlay@redhat.com>
744
745         * except.c: Revert change of 2004-05-26.
746         * config/i386/i386.md: Revert change of 2004-05-27.
747
748 2004-05-27  Bryce McKinlay  <mckinlay@redhat.com>
749
750         * configure.ac: Remove --enable-tree-browser option.
751         Define TREEBROWSER when ac_tree_checking is defined.
752         * configure: Rebuilt.
753
754 2004-05-27  Olivier Hainque  <hainque@act-europe.fr>
755
756         * expr.c (store_constructor): Restore sanity check on
757         the size of the type before clearing.
758
759 2004-05-27  Jan Hubicka  <jh@suse.cz>
760
761         * cfgbuild.c (control_flow_insn_p):  Notice noreturn call
762
763 2004-05-27  Paolo Bonzini  <bonzini@gnu.org>
764
765         * combine.c (gen_binary): Remove.
766         (known_cond, simplify_shift_const
767         find_split_point, combine_simplify_rtx,
768         simplify_if_then_else, simplify_set,
769         simplify_logical, expand_field_assignment,
770         extract_left_shift, force_to_mode,
771         if_then_else_cond, apply_distributive_law,
772         simplify_and_const_int, simplify_shift_const,
773         gen_lowpart_for_combine, simplify_comparison,
774         reversed_comparison): Replace with
775         simplify_gen_binary, simplify_gen_relational or
776         distribute_and_simplify_rtx.
777         (distribute_and_simplify_rtx): New function.
778         * simplify-rtx.c (simplify_binary_operation):
779         Use nonzero_bits to simplify ANDs where we are
780         turning off bits already known to be off in OP0.
781
782 2004-05-27  Alan Modra  <amodra@bigpond.net.au>
783
784         PR target/14478
785         * config/rs6000/rs6000.c (reg_or_neg_short_operand): Don't allow zero.
786
787 2004-05-27  Josef Zlomek  <zlomekj@suse.cz>
788
789         PR middle-end/14084
790         * emit-rtl.c (gen_rtx_REG_offset): Adjust the offset according
791         to size of decl.
792
793 2004-05-26  Aldy Hernandez  <aldyh@redhat.com>
794
795         PR/14924
796         * config/rs6000/rs6000.c (spe_expand_stv_builtin): New.
797
798 2004-05-26  Roger Sayle  <roger@eyesopen.com>
799
800         * tree.h: Fix comment typo.
801
802 2004-05-27  Steven Bosscher  <stevenb@suse.de>
803
804         * gimplify.c (compare_case_labels): New function.
805         (gimplify_switch_expr): Sort case labels, and make sure the
806         last label in the label vector is the default case.
807         * tree-cfg.c (group_case_labels): New function.
808         (build_tree_cfg): Cleanup redundant labels and group case labels
809         before creating edges.
810         (cleanup_dead_labels): Handle GOTO_EXPRs.
811         (find_case_label_for_value): Use a binary search to find the
812         case label for the given value.
813         * tree-gimple.c: Mention that labels are sorted, and that the
814         last label must be the default.
815
816 2004-05-27  Jan Hubicka  <jh@suse.cz>
817
818         * cfgcleanup.c (try_optimize_cfg): Do not merge across jumptables.
819
820 2004-05-27  Jan Hubicka  <jh@suse.cz>
821
822         * i386.md (UNSPECV_EH_RETURN): Kill.
823         (eh_return): Use jump_insn.
824         (eh_return_si, eh_return_di): Change pattern to jump instruction.
825
826 2004-05-26  Jan Hubicka  <jh@suse.cz>
827
828         * cfgcleanup.c (try_forward_edges):  Do not check loop structure when
829         not loop optimizing.
830
831 2004-05-26  Jan Hubicka  <jh@suse.cz>
832
833         * except.c (can_throw_internal):  Notice RESX instructions.
834
835 2004-05-26  Eric Botcazou  <ebotcazou@act-europe.fr>
836
837         * varasm.c (output_constant) <INTEGER_TYPE>: Pass the minimum
838         of the two sizes to assemble_integer.
839
840 2004-05-25  Paul Brook  <paul@codesourcery.com>
841
842         * config/arm/arm.c (thumb_exit, thumb_unexpanded_epilogue): Remove
843         pointless #ifdef.
844
845 2004-04-25  Paolo Bonzini  <bonzini@gnu.org>
846
847         * Makefile.in (top_builddir): Define to .
848
849 2004-05-25  Alexandre Oliva  <aoliva@redhat.com>
850
851         * configure.ac (gcc_cv_ld): Prefer in-tree ld over whatever the
852         top-level detects, except when in-tree ld is being cross-built.
853         (gcc_cv_as): Likewise for as.  Use AS_FOR_TARGET otherwise, and
854         then AS only if target is host.
855         * configure: Rebuilt.
856
857 2004-05-25  Vladimir Makarov  <vmakarov@redhat.com>
858
859         * global.c (global_alloc): Call make_accurate_live_analysis.
860         (record_one_conflict): Remove dead code.
861         (mark_reg_clobber): Remove ATTRIBUTE_UNUSED for parameter data.
862         (bb_info): New structure.
863         (BB_INFO, BB_INFO_BY_INDEX): New macros.
864         (allocate_bb_info, free_bb_info, mark_reg_change,
865         calculate_local_reg_bb_info, set_up_bb_rts_numbers, rpost_cmp,
866         modify_bb_reg_pav, calculate_reg_pav,
867         make_accurate_live_analysis): New functions.
868
869 2004-05-25  Devang Patel  <dpatel@apple.com>
870
871         * alias.c (init_alias_analysis): Use ggc_calloc instead of
872         xrealloc.
873         (end_alias_analysis): Use ggc_free instead fo free.
874
875 2004-05-25  Andrew Pinski  <pinskia@physics.uc.edu>
876
877         PR target/15546
878         * config/ia64/ia64.h (ASM_OUTPUT_FDESC): Mark the DECL
879         as needed to be outputted.
880
881 2004-05-25  Jan Hubicka  <jh@suse.cz>
882
883         * builtins.def (__builtin_expect):  Mark the function as const&nothrow.
884
885 2004-05-25  Ayal Zaks  <zaks@il.ibm.com>
886         Mostafa Hagog  <mustafa@il.ibm.com>
887
888         * Makefile.in (modulo-sched.o, ddg.o): New.
889         * ddg.h, ddg.c, modulo-sched.c: New files.
890         * cfglayout.c (duplicate_insn_chain): Remove "static" and push
891         internals to "dupicate_insn".
892         (duplicate_insn): New function.
893         * cfglayout.h (duplicate_insn_chain, duplicate_insn): New
894         declarations.
895         * common.opt (fmodulo-sched): New flag.
896         * df.c (df_bb_regno_last_use_find, df_bb_regno_first_def_find):
897         Remove static and forward declaration.
898         (df_find_def, df_reg_used, df_bb_regno_last_def_find): New
899         functions.
900         * df.h (df_bb_regno_last_use_find, df_bb_regno_first_def_find,
901         df_bb_regno_last_def_find, df_find_def, df_reg_used): New
902         declarations.
903         * flags.h (flag_modulo_sched): New flag.
904         * opts.c (common_handle_option): Handle modulo-sched flag.
905         * params.def (max-sms-loop-number, sms-max-ii-factor,
906         sms-dfa-history, sms-loop-average-count-threshold): New
907         parameters.
908         * params.h (MAX_SMS_LOOP_NUMBER, SMS_MAX_II_FACTOR,
909         SMS_DFA_HISTORY, SMS_LOOP_AVERAGE_COUNT_THRESHOLD): New
910         parameters.
911         * passes.c ("sms", "sms-vcg"): New dumps.
912         (rest_of_handle_sched): Call sms_schedule.
913         * rtl.h (sms_schedule): New declaration.
914         * timevar.def (TV_SMS): New.
915         * toplev.c (flag_modulo_sched): Initialize.
916         (f_options): Handle -fmodulo-sched option.
917         * docs/invoke.texi: Document -fmodulo-sched & -dm options.
918         * docs/passes.texi: Document new SMS pass.
919
920 2004-05-25  Paolo Bonzini  <bonzini@gnu.org>
921
922         * Makefile.in (OBJS): Add rtlhooks.o.
923         (rtlanal.o): Depend on function.h.
924         (cse.o): Depend on rtlhooks-def.h.
925         (combine.o): Depend on rtlhooks-def.h.
926         (rtlhooks.o): New rule.
927         * combine.c: Include rtlhooks-def.h.
928         (nonzero_bits, cached_nonzero_bits, nonzero_bits1,
929         num_sign_bit_copies, cached_num_sign_bit_copies,
930         num_sign_bit_copies1): Move most of the code to rtlanal.c.
931         (reg_nonzero_bits_for_combine,
932         reg_num_sign_bit_copies_for_combine): New functions holding
933         the remnants of the above.
934         (combine_rtl_hooks): New.
935         (combine_instructions): Set rtl_hooks instead of gen_lowpart.
936         * cse.c: Include rtlhooks-def.h.
937         (cse_rtl_hooks): New.
938         (cse_main): Set rtl_hooks instead of gen_lowpart.
939         * emit-rtl.c (gen_lowpart): Remove.
940         (gen_lowpart_general): Move to rtlhooks.c.
941         * rtl.h (nonzero_bits, num_sign_bit_copies,
942         struct rtl_hooks, rtl_hooks, general_rtl_hooks): New.
943         (gen_lowpart_general): Remove.
944         (gen_lowpart): Temporarily redefine as a macro.
945         * rtlanal.c: Include function.h.
946         (nonzero_bits, cached_nonzero_bits, nonzero_bits1,
947         num_sign_bit_copies, cached_num_sign_bit_copies,
948         num_sign_bit_copies1): New, from combine.c.
949         * rtlhooks.c: New file.
950
951 2004-05-25  Svein E. Seldal  <Svein.Seldal@solidas.com>
952
953         * config/avr/avr.h (LONG_LONG_TYPE_SIZE): Changed long long type
954         to support 32-bit -mint8 mode.
955
956         * doc/invoke.texi (-mint8): Added documentation for the -mint8
957         option in the AVR architecture.
958
959 2004-05-24  Mike Stump  <mrs@apple.com>
960
961         * doc/install.texi: Document that dejagnu 1.4.4 is required.
962
963 2004-05-24  Joseph S. Myers  <jsm@polyomino.org.uk>
964
965         * intl.h (open_quote, close_quote): New.
966         * intl.c (open_quote, close_quote): New.
967         (gcc_init_libintl): Set them.
968         * pretty-print.c: Include "intl.h".
969         (pp_base_format_text): Support 'q' format flag and %` and %'
970         formats.  Use ' instead of ` in comments.
971         * c-format.c (gcc_diag_flag_specs, gcc_cxxdiag_flag_specs,
972         gcc_diag_char_table, gcc_cdiag_char_table, gcc_cxxdiag_char_table,
973         foramt_types_orig): Describe these new formats.
974         (decode_format_attr, check_function_format,
975         check_format_info_main): Use these new formats.
976         (status_warning): Use ATTRIBUTE_GCC_DIAG.
977         * toplev.c (ATTRIBUTE_GCC_DIAG): Increase required GCC version to
978         check these formats to 3.5.
979
980 2004-05-24  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
981
982         * Makefile.in (CPPLIBS): Renamed to CPPLIB.
983         (BACKEND): Reflect this.
984         (LIBDEPS): Move CPPLIB before LIBIBERTY.
985         (LIBS): Likewise.
986
987 2004-05-24  Ulrich Weigand  <uweigand@de.ibm.com>
988
989         PR tree-optimization/14197
990         * builtins.c: Include "tree-gimple.h"
991         (readonly_data_expr): Use get_base_address.  Make sure to call
992         decl_readonly_section only on trees it can handle.
993         * tree-gimple.c (get_base_address): Accept STRING_CST and
994         CONSTRUCTOR expressions.
995         * Makefile.in: Update dependencies.
996
997 2004-05-23  Paolo Bonzini  <bonzini@gnu.org>
998
999         Move libcpp to the toplevel.
1000         * Makefile.in: Remove references to libcpp files,
1001         use CPPLIBS instead of libcpp.a.  Define SYMTAB_H
1002         and change hashtable.h to that.
1003         * aclocal.m4 (gcc_AC_HEADER_STDBOOL,
1004         gcc_AC_HEADER_STRING, gcc_AC_C__BOOL): Remove.
1005         * configure.ac (gcc_AC_C__BOOL, HAVE_UCHAR): Remove tests.
1006         * configure: Regenerate.
1007         * config.in: Regenerate.
1008         * c-ppoutput.c: Include ../libcpp/internal.h instead of cpphash.h.
1009         * cppcharset.c: Removed.
1010         * cpperror.c: Removed.
1011         * cppexp.c: Removed.
1012         * cppfiles.c: Removed.
1013         * cpphash.c: Removed.
1014         * cpphash.h: Removed.
1015         * cppinit.c: Removed.
1016         * cpplex.c: Removed.
1017         * cpplib.c: Removed.
1018         * cpplib.h: Removed.
1019         * cppmacro.c: Removed.
1020         * cpppch.c: Removed.
1021         * cpptrad.c: Removed.
1022         * cppucnid.h: Removed.
1023         * cppucnid.pl: Removed.
1024         * cppucnid.tab: Removed.
1025         * hashtable.c: Removed.
1026         * hashtable.h: Removed.
1027         * line-map.c: Removed.
1028         * line-map.h: Removed.
1029         * mkdeps.c: Removed.
1030         * mkdeps.h: Removed.
1031         * stringpool.h: Include symtab.h instead of hashtable.h.
1032         * tree.h: Include symtab.h instead of hashtable.h.
1033         * system.h (O_NONBLOCK, O_NOCTTY): Do not define.
1034
1035 2004-05-23 Paolo Bonzini <bonzini@gnu.org>
1036
1037         * gcc.c (struct prefix_list): Add forward declaration.
1038         (do_spec_path): New function, extracted from...
1039         (do_spec_1) <'D'>: ... here.  Drop support for
1040         SPACE_AFTER_L_OPTION.
1041         (do_spec_1) <'I'>: Use do_spec_path.
1042         (process_command): Do not store the 'include' suffix
1043         in include_prefixes.
1044         * system.h: Poison SPACE_AFTER_L_OPTION.
1045
1046 2002-05-23  Roger Sayle  <roger@eyesopen.com>
1047
1048         * fold-const.c (non_lvalue): Explicitly list the tree codes that
1049         need to be wrapped by NON_LVALUE_EXPR, instead of those that don't.
1050
1051 2004-05-23  Joseph S. Myers  <jsm@polyomino.org.uk>
1052
1053         * doc/gcc.texi, doc/gccint.texi, doc/include/gcc-common.texi:
1054         Update based on printed manual.  Enable setting of offsets for
1055         FSFPRINT and move it to gcc-common.texi.
1056         * doc/gcc.texi: Update FSF printing details.
1057         * doc/gccint.texi: Remove FSF printing details.
1058
1059 2004-05-23  Andrew Pinski  <pinskia@physics.uc.edu>
1060
1061         * config/rs6000/t-rs6000: Remove the disabling -Werror.
1062
1063 2004-05-22  Roger Sayle  <roger@eyesopen.com>
1064
1065         * builtins.c (expand_builtin_strstr, expand_builtin_strchr,
1066         expand_builtin_strrchr, expand_builtin_strpbrk,
1067         expand_builtin_mempcpy, expand_builtin_memcmp,
1068         expand_builtin_strcmp, expand_builtin_strncmp,
1069         expand_builtin_strcat, std_expand_builtin_va_start,
1070         std_expand_builtin_va_arg, expand_builtin_va_copy,
1071         expand_builtin_signbit, fold_builtin_cabs,
1072         fold_builtin_logarithm, fold_builtin_mempcpy,
1073         fold_builtin_signbit, fold_builtin_isascii,
1074         fold_builtin_toascii, fold_builtin_isdigit,
1075         fold_builtin_1, build_function_call_expr,
1076         simplify_builtin_strchr, simplify_builtin_strrchr,
1077         simplify_builtin_strpbrk, simplify_builtin_strncpy,
1078         simplify_builtin_memcmp, simplify_builtin_strcmp,
1079         simplify_builtin_strncmp, simplify_builtin_strncat,
1080         simplify_builtin_strspn, simplify_builtin_strcspn,
1081         simplify_builtin_fputs, simplify_builtin_sprintf): Replace calls
1082         to build with calls to build2, build3 or omit_one_operand.
1083
1084 2004-05-22  Richard Sandiford  <rsandifo@redhat.com>
1085
1086         * config/mips/mips.c (mips_file_start): Emit a .gcc_compiled_longXX
1087         section when generating EABI code.
1088
1089 2004-05-22  Andrew Pinski  <pinskia@physics.uc.edu>
1090
1091         PR 15546
1092         * config/i386/i386.c (output_pic_addr_const <case SYMBOL_REF>):
1093         Call mark_decl_referenced on the SYMBOL_REF_DECL.
1094
1095 2004-05-22  Andrew Pinski  <pinskia@physics.uc.edu>
1096
1097         * c-common.c (c_common_truthvalue_conversion): Handle
1098         UNEQ_EXPR, UNLE_EXPR, UNGE_EXPR, UNLT_EXPR, UNGT_EXPR,
1099         ORDERED_EXPR, and UNORDERED_EXPR as comparison operators,
1100         i.e. set the type to truthvalue_type_node and return.
1101
1102 2004-05-22  Zack Weinberg  <zack@codesourcery.com>
1103
1104        * tree.h (struct tree_decl): Add possibly_inlined bit.
1105         (DECL_POSSIBLY_INLINED): New accessor macro.
1106         * cgraph.h: Remove declaration of cgraph_inline_hash.
1107         * cgraph.c: Remove definition of cgraph_inline_hash.
1108         (hash_node): Revert to hashing DECL_UID.
1109         (eq_node): Take two pointers to cgraph_node structures.
1110         Compare DECL_UIDs.
1111         (cgraph_remove_node): Pass the node directly to htab_find_slot.
1112         (cgraph_varpool_hash_node): Rename hash_varpool_node;
1113         hash on DECL_UID.
1114         (eq_cgraph_varpool_node): Rename eq_varpool_node; take two
1115         pointers to cgraph_varpool_node structures; compare DECL_UIDs.
1116         (cgraph_node): Allocate a temporary node on the stack, fill in
1117         its DECL field, and pass that to htab_find_slot.
1118         (cgraph_varpool_node): Likewise.
1119         (cgraph_function_possibly_inlined_p): If global info is ready,
1120         return the DECL_POSSIBLY_INLINED bit.
1121         * cgraphunit.c (cgraph_mark_inline_edge): Set DECL_POSSIBLY_INLINED
1122         instead of mucking with cgraph_inline_hash.
1123
1124 2004-05-22  Joseph S. Myers  <jsm@polyomino.org.uk>
1125
1126         * doc/contrib.texi: Add g77 contributors.
1127
1128 2004-05-22  Richard Sandiford  <rsandifo@redhat.com>
1129
1130         * calls.c (initialize_argument_information): Forbid sibcalls if a
1131         callee-copied argument is stored in the current function's frame.
1132
1133 2004-05-22  Eric Christopher  <echristo@redhat.com>
1134
1135         * fix-header.c (read_scan_file): Update for add_path change.
1136
1137 2004-05-22  Ben Elliston  <bje@au.ibm.com>
1138
1139         * c.opt (Wmissing-include-dirs): New.
1140         * c-opts.c (c_common_handle_option): Pass true for user_supplied_p
1141         to add_path () for -I, but false for OPT_idirafter, OPT_iquote and
1142         OPT_isystem. Handle case OPT_Wmissing_include_dirs.
1143         * c-incpath.h (add_path): Add fourth (bool) argument.
1144         * c-incpath.c (add_env_var_paths): Pass false to add_path ().
1145         (add_standard_paths): Likewise.
1146         (remove_duplicates) [REASON_NOENT]: Warn if -Wmissing-include-dirs
1147         is used and the directory was user-supplied via -I.
1148         (add_path): Set p->user_supplied_p.  Remove duplicated code by
1149         using add_cpp_dir_path ().
1150         * cpplib.h (struct cpp_options): Add warn_missing_include_dirs.
1151         (struct cpp_dir): Add user_supplied_p.
1152         * doc/invoke.texi (Warning Options): Document new option.
1153
1154 2004-05-21  Ulrich Weigand  <uweigand@de.ibm.com>
1155
1156         * fold-const.c (fold_read_from_constant_string): Convert result to
1157         requested type.
1158
1159 2004-05-21  Richard Henderson  <rth@redhat.com>
1160
1161         * gimplify.c (mostly_copy_tree_r): Don't attempt to copy decls.
1162         (copy_if_shared_r): Don't copy decls, types, constants, BINDs.
1163         Don't mark VA_ARG_EXPRs volatile here.
1164         (gimplify_modify_expr): Unshare TYPE_SIZE_UNIT.
1165
1166 2004-05-21  Richard Henderson  <rth@redhat.com>
1167
1168         * Makefile.in (tree-dump.o): Depend on tree-iterator.h.
1169         * tree-dump.c (dequeue_and_dump): Dump STATEMENT_LISTs.
1170
1171 2004-05-21  Roger Sayle  <roger@eyesopen.com>
1172
1173         * fold-const.c (fold, fold_relational_hi_lo,
1174         nondestructive_fold_binary_to_constant,
1175         fold_read_from_constant_string): Use fold_convert instead of convert.
1176         * builtins.c (simplify_builtin, simplify_builtin_strstr,
1177         simplify_builtin_strchr, simplify_builtin_strrchr,
1178         simplify_builtin_strpbrk): Use fold_convert instead of convert.
1179
1180 2004-05-21  Diego Novillo  <dnovillo@redhat.com>
1181
1182         * tree-flow-inline.h (num_immediate_uses): Don't abort if DF
1183         is NULL.
1184
1185 2004-05-21  Jakub Jelinek  <jakub@redhat.com>
1186
1187         * config/sparc/linux64.h (OPTION_DEFAULT_SPECS): If SPARC_BI_ARCH,
1188         override sparc.h definition.
1189
1190 2004-05-20  Roger Sayle  <roger@eyesopen.com>
1191
1192         * tree.c (array_type_nelts, save_expr, substitute_in_expr,
1193         get_unwidened, get_narrower): Replace build with build2.
1194         * fold-const.c (negate_expr, associate_trees, size_binop,
1195         fold_convert, eval_subst, omit_one_operand, invert_truthvalue,
1196         pedantic_omit_one_operand, distribute_bit_expr,
1197         make_bit_field_ref, optimize_bit_field_compare,
1198         decode_field_reference, range_binop, make_range,
1199         build_range_check, fold_range_test, fold_truthop,
1200         optimize_minmax_comparison, extract_muldiv_1,
1201         fold_binary_op_with_conditional_arg, fold_mathfn_compare,
1202         fold_inf_compare, fold_single_bit_test, fold,
1203         fold_relational_hi_lo, nondestructive_fold_binary_to_constant):
1204         Likewise replace build with either build2 or build3.
1205
1206 2004-05-20  Ian Lance Taylor  <ian@wasabisystems.com>
1207
1208         * system.h: Poison NO_RECURSIVE_FUNCTION_CSE.
1209         * calls.c (prepare_call_address): Don't test
1210         NO_RECURSIVE_FUNCTION_CSE.
1211         * config/arc/arc.h (NO_RECURSIVE_FUNCTION_CSE): Don't define.
1212         * config/arm/arm.h (NO_RECURSIVE_FUNCTION_CSE): Likewise.
1213         * config/avr/avr.h (NO_RECURSIVE_FUNCTION_CSE): Likewise.
1214         * config/frv/frv.h (NO_RECURSIVE_FUNCTION_CSE): Likewise.
1215         * config/i386/i386.h (NO_RECURSIVE_FUNCTION_CSE): Likewise.
1216         * config/ip2k/ip2k.h (NO_RECURSIVE_FUNCTION_CSE): Likewise.
1217         * config/iq2000/iq2000.h (NO_RECURSIVE_FUNCTION_CSE): Likewise.
1218         * config/m32r/m32r.h (NO_RECURSIVE_FUNCTION_CSE): Likewise.
1219         * config/m68k/m68k.h (NO_RECURSIVE_FUNCTION_CSE): Likewise.
1220         * config/mcore/mcore.h (NO_RECURSIVE_FUNCTION_CSE): Likewise.
1221         * config/mips/mips.h (NO_RECURSIVE_FUNCTION_CSE): Likewise.
1222         * config/stormy16/stormy16.h (NO_RECURSIVE_FUNCTION_CSE):
1223         Likewise.
1224         * config/xtensa/xtensa.h (NO_RECURSIVE_FUNCTION_CSE): Likewise.
1225         * config/sh/sh.h: Remove NO_RECURSIVE_FUNCTION_CSE comment.
1226         * doc/tm.texi (Costs): Remove documentation for
1227         NO_RECURSIVE_FUNCTION_CSE.
1228
1229 2004-05-20  Paul Brook  <paul@codesourcery.com>
1230
1231         * unwind-dw2-fde.c (get_cie_encoding): Handle dwarf3 CIE format.
1232         * unwind-dw2.c (extract_cie_info): Ditto.
1233         (_Unwind_FrameState): Change retaddr_column to word type.
1234
1235 2004-05-20  Roger Sayle  <roger@eyesopen.com>
1236
1237         PR middle-end/3074
1238         * fold-const.c (strip_compound_expr): Delete function.
1239         (count_cond): Delete function.
1240         (fold_binary_op_with_conditional_arg): Only perform transformations
1241         "a + (b?c:d) -> b ? a+c : a+d" and "(b?c:d) + a -> b ? c+a : d+a"
1242         when a is constant.  This greatly simplifies this routine.
1243
1244         * tree.c (saved_expr_p): Delete function.
1245         * tree.h (saved_expr_p): Delete function prototype.
1246
1247 2004-05-20  Andrew Pinski  <pinskia@physics.uc.edu>
1248
1249         * common.opt (ftree-loop-optimize): Remove.
1250
1251 2004-05-20  Daniel Jacobowitz  <dan@debian.org>
1252
1253         * Makefile.in (AR_FOR_TARGET, RANLIB_FOR_TARGET)
1254         (NM_FOR_TARGET): Use := and $(shell).
1255         (mainversion): Remove unused variable.
1256
1257 2004-05-20  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1258
1259         * reorg.c (delete_from_delay_slot): If we have a barrier after the
1260         sequence containing the insn to be deleted, always reemit it.
1261
1262 2004-05-20  Richard Henderson  <rth@redhat.com>
1263
1264         PR 15454
1265         * tree-nested.c (get_chain_decl): Create a PARM_DECL by hand.
1266         * function.c (expand_function_start): Expand static_chain_decl by hand.
1267         * gimplify.c (create_tmp_var_name): Export.
1268         * tree-gimple.h (create_tmp_var_name): Declare.
1269
1270 2004-05-20  Andrew Pinski  <pinskia@physics.uc.edu>
1271
1272         * rs6000.c (print_operand) <case 'z'>: Call
1273         mark_decl_referenced before assemble_name.
1274
1275 2004-05-20  Zack Weinberg  <zack@codesourcery.com>
1276
1277         * cgraph.c (hash_node, eq_node, cgraph_node, cgraph_remove_node)
1278         (cgraph_varpool_hash_node, eq_cgraph_varpool_node)
1279         (cgraph_varpool_node): Hash on the pointer to the decl, not
1280         the DECL_UID.  Fixes 64-bit bootstrap failure.
1281
1282 2004-05-20  Richard Earnshaw <rearnsha@arm.com>
1283
1284         * arm.md (ite_ne_zeroextractsi, ite_ne_zeroextractsi_shifted): Ensure
1285         we don't earlyclobber operands used in the second insn.
1286
1287 2004-05-20  Steven Bosscher  <stevenb@suse.de>
1288
1289         * tree-mudflap.c: Formatting fixes.
1290
1291 2004-05-20  J"orn Rennecke <joern.rennecke@superh.com>
1292
1293         * Makefile.in (GTFILES): Add $(srcdir)/reload.h.
1294         * gengtype.c (open_base_files): Include reload.h in ifiles.
1295         * reload.h (reg_equiv_memory_loc_varray): Declare.
1296         * reload1.c (reg_equiv_memory_loc_varray): New variable.
1297         (init_reload): Initialize it.
1298         (reload): Instead of freeing reg_equiv_memory_loc, 'grow'
1299         reg_equiv_memory_loc_varray to size 0.
1300         * ra.c (reg_alloc): Allocate reg_equiv_memory_loc by
1301         growing reg_equiv_memory_loc_varray to the desired size.
1302         * passes.c (rest_of_handle_old_regalloc): Likewise.
1303         * reload.c: Amend comment on calling init_reload.
1304
1305 2004-05-20  Nick Clifton  <nickc@redhat.com>
1306
1307         * config/c4x/c4x.h (INITIALIZE_TRAMPOLINE): Replace 'tramp'
1308         with 'TRAMP' in the body of the macro definition.
1309
1310 2004-05-19  H.J. Lu  <hongjiu.lu@intel.com>
1311
1312         PR target/15383
1313         * config/ia64/ia64.c (ia64_expand_compare): Don't check
1314         TARGET_HPUX for TFmode compare. Abort if op0 is in TFmode and
1315         cmptf_libfunc isn't set.
1316         (ia64_init_libfuncs): Rename TFmode libfuncs using the HPUX
1317         conventions.
1318         (ia64_sysv4_init_libfuncs): New.
1319
1320         * config/ia64/sysv4.h (TARGET_INIT_LIBFUNCS): New. Defined as
1321         ia64_sysv4_init_libfuncs.
1322
1323 2004-05-20  Falk Hueffner  <falk@debian.org>
1324
1325         PR other/15526
1326         * libgcc2.c (__mulvsi3): Fix overflow test.
1327
1328 2004-05-19  Andrew Pinski  <pinskia@physics.uc.edu>
1329
1330         PR c/14171
1331         * reg-stack.c (nan): Rename to ...
1332         (not_a_num): Here.
1333         (reg_to_stack): Rename nan to not_a_num.
1334         (subst_stack_regs_pat): Likewise.
1335         (convert_regs_entry): Likewise.
1336         (convert_regs_1): Likewise.
1337
1338         * tree-cfg.c (find_case_label_for_value): Replace call to
1339         simple_cst_equal with tree_int_cst_equal.
1340
1341 2004-05-19  Jeff Law <law@redhat.com>
1342
1343         * tree-into-ssa.c (prepare_operand_for_rename): New argument is_use.
1344         If the operand is for a use, then strip away the SSA_NAME, do not
1345         strip away the SSA_NAME for a set.  Never call release_ssa_name.
1346         (mark_def_sites): Appropriately pass additional argument to
1347         prepare_operand_for_rename.  If a VDEF_RESULT is not an SSA_NAME,
1348         then set the VDEF_RESULT to the VDEF_OP.
1349         (set_def_block): Strip away any SSA_NAME to get to the real
1350         underlying variable.
1351
1352         * tree-ssa-phiopt.c (value_replacement): Handle the case where
1353         the desired edge out of COND_BLOCK reaches OTHER_BLOCK rather than
1354         BB directly.
1355
1356 2004-05-19  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
1357
1358         PR c++/15463
1359         * loop-iv.c (iv_number_of_iterations):  Use trunc_int_for_mode on
1360         result of inverse.
1361
1362         PR rtl-optimization/15274
1363         * loop-iv.c (determine_max_iter, shorten_into_mode,
1364         iv_number_of_iterations): Handle constants correctly.
1365         * rtl.h (get_mode_bounds): Declaration changed.
1366         * stor-layout.c (get_mode_bounds): Return a constant suitable for
1367         the target mode.
1368
1369         PR rtl-optimization/14692
1370         * loop-unswitch.c (may_unswitch_on): Try folding the result.
1371         (unswitch_single_loop): Work correctly when may_unswitch_on
1372         returns a folded constant.
1373
1374         * loop-iv.c (implies_p): Handle A < B ==> A + 1 <= B.
1375         * simplify-rtx.c (simplify_const_relational_operation): Optimize
1376         comparisons with mode bounds.
1377
1378         * function.c (struct temp_slot): Add new field prev.
1379         (free_after_compilation, init_temp_slots): Free new fields.
1380         (cut_slot_from_list, insert_slot_to_list,
1381         temp_slots_at_level, max_slot_level, move_slot_to_level,
1382         make_slot_available): New functions.
1383         (assign_stack_temp_for_type, combine_temp_slots,
1384         find_temp_slot_from_address, preserve_temp_slots,
1385         preserve_rtl_expr_result, free_temp_slots,
1386         free_temps_for_rtl_expr, pop_temp_slots): Work with
1387         the new structure of lists.
1388         (mark_all_temps_used): Removed.
1389         * function.h (struct function): Field x_temp_slots
1390         replaced by x_used_temp_slots and x_avail_temp_slots.
1391         (temp_slots): Replaced by ...
1392         (used_temp_slots, avail_temp_slots): New.
1393         * tree.h (mark_all_temps_used): Declaration removed.
1394
1395         * loop-iv.c (mark_single_set, get_biv_step_1, iv_analyze,
1396         simplify_using_assignment): Take the expression out of
1397         the expr_list wrapper.
1398
1399         * loop-iv.c (iv_number_of_iterations): Improve clasification of
1400         infinite loops.
1401
1402 2004-05-19  Roger Sayle  <roger@eyesopen.com>
1403
1404         * doc/tm.texi (TARGET_RTX_COSTS): Document that instruction
1405         costs should be based on code size when optimizing for size.
1406
1407 2004-05-19  Paolo Bonzini  <bonzini@gnu.org>
1408
1409         * fold-const.c: Remove non-printable character 160.
1410
1411 2004-05-19  Nick Clifton  <nickc@redhat.com>
1412
1413         * doc/invoke.texi (ARM Options): Fix typo.
1414         Remove descrption of -mshort-load-bytes and
1415         -mno-short-load-bytes.
1416
1417         * config/ip2k/ip2k.c (ip2k_composite_xexp_not_uses_reg_p): Add
1418         missing parenthesis.
1419         * config/ip2k/ip2k.c (ip2k_unary_operator): Likewise.
1420         * config/ip2k/ip2k.c (ip2k_binary_operator): Likewise.
1421
1422 2004-05-19  Steven Bosscher  <stevenb@suse.de>
1423
1424         * expr.c (store_constructor): Build loop start and end by hand
1425         instead of via loop functions from stmt.c.
1426         (expand_expr_real_1): Abort if we see an EXIT_EXPR or a LOOP_EXPR.
1427         Remove the code to expand them.
1428
1429         * stmt.c (loop_stack): Remove this and everything related.
1430         (struct nesting, enum nesting_desc): Update.
1431         (expand_fixup): Likewise.
1432         (expand_loop_start, expand_start_loop_continue_elsewhere,
1433         expand_start_null_loop, expand_loop_continue_here, expand_end_loop,
1434         expand_end_null_loop, expand_continue_loop, expand_exit_loop,
1435         expand_exit_loop_if_false, expand_exit_loop_top_cond,
1436         expand_exit_something): Remove.
1437         * tree.h: Remove prototypes.
1438
1439 2004-05-18  Mike Stump  <mrs@apple.com>
1440             Devang Patel  <dpatel@apple.com>
1441
1442         * doc/tm.texi (TARGET_ASM_EMIT_UNWIND_LABEL): Add argument to indicate
1443         if this label is for eh.
1444         * config/darwin-protos.h (darwin_emit_unwind_label): Likewise.
1445         * config/darwin.c (darwin_emit_unwind_label): Likewise.
1446         * dwarf2out.c (output_call_frame_info): Likewise.
1447         * output.h (default_emit_unwind_label): Likewise.
1448         * target.h (unwind_label): Likewise.
1449         * varasm.c (default_emit_unwind_label): Likewise.
1450
1451         * config/darwin.h (DWARF2_DEBUGGING_INFO, PREFERRED_DEBUGGING_TYPE,
1452         DEBUG_FRAME_SECTION, DEBUG_INFO_SECTION, DEBUG_ABBREV_SECTION,
1453         DEBUG_ARANGES_SECTION, DEBUG_MACINFO_SECTION, DEBUG_LINE_SECTION,
1454         DEBUG_LOC_SECTION, DEBUG_PUBNAMES_SECTION, DEBUG_STR_SECTION,
1455         DEBUG_RANGES_SECTION): Define.
1456
1457 2004-05-18  Zack Weinberg  <zack@codesourcery.com>
1458
1459         * cgraph.c (hash_node, eq_node, cgraph_node, cgraph_remove_node)
1460         (cgraph_varpool_hash_node, eq_cgraph_varpool_node)
1461         (cgraph_varpool_node):
1462         Use DECL_UID for the key, not DECL_ASSEMBLER_NAME.
1463         (cgraph_function_possibly_inlined_p): Use the decl itself for
1464         the key, not DECL_ASSEMBLER_NAME.
1465         (change_decl_assembler_name): No need to muck with the hash tables.
1466         (cgraph_node_for_identifier, cgraph_varpool_node_for_identifier):
1467         Delete.
1468         * cgraphunit.c (cgraph_mark_inline_edge): Use the decl itself
1469         for the key, not DECL_ASSEMBLER_NAME.
1470         * cgraph.h: Remove prototypes of deleted functions.
1471         * varasm.c (mark_referenced): Just set TREE_SYMBOL_REFERENCED.
1472         (mark_decl_referenced): New function.
1473         * tree.h: Prototype mark_decl_referenced.
1474         * final.c (output_addr_const) <case SYMBOL_REF>: Call
1475         mark_decl_referenced before assemble_name.
1476         * c-decl.c (finish_decl): Use mark_decl_referenced.
1477
1478 2004-05-18  Andrew Pinski  <pinskia@physics.uc.edu>
1479             Jeff Law <law@redhat.com>
1480
1481         * tree-ssa-phiopt.c (abs_replacement): New function.
1482         (empty_block_p): New function extracted from...
1483         (candidate_bb_for_phi_optimization): Break out empty block test.
1484         (conditional_replacement): Use empty_block_p.
1485         (value_replacement): Similarly.
1486
1487         * Makefile.in (tree-ssa-phiopt.o): Depends on flags.h.
1488         * tree-ssa-phiopt.c: Include flags.h.
1489         (conditional_replacement): Remove argument names from prototype.
1490         Minor formatting and comment fixes.
1491         (tree_ssa_phiopt): If conditional_replacement returns false, then
1492         call value_replacement.
1493         (value_replacement): New function.
1494
1495 2004-05-18  Jeff Law  <law@redhat.com>
1496
1497         * tree-ssa-phiopt.c (replace_phi_with_stmt): New function extracted
1498         from conditional_replacement.
1499         (candidate_bb_for_phi_optimization): Similarly.
1500         (conditional_replacement): Use replace_phi_with_stmt and
1501         candidate_bb_for_phi_optimization.
1502
1503         * tree-ssa-phiopt.c: Fix various formatting issues.
1504
1505 2004-05-18  Steven Bosscher  <stevenb@suse.de>
1506
1507         * config/s390/s390.c (s390_expand_movstr, s390_expand_clrstr,
1508         s390_expand_cmpmem): Do not use expand_start_loop and
1509         expand_end_loop, instead build the loop manually.
1510
1511 2004-05-18  Alan Modra  <amodra@bigpond.net.au>
1512
1513         * config/rs6000/rs6000.md (ctrsi_internal3): Delete.
1514         (ctrsi_internal4, ctrdi_internal3, ctrdi_internal4): Delete.
1515
1516 2004-05-17  Jeff Law  <law@redhat.com>
1517
1518         * toplev.h (flag_delete_null_pointer_checks): Move from here to...
1519         * flags.h (flag_delete_null_pointer_checks): Here.
1520         * tree-flow.h (cprop_into_successor_phis): Add argument to prototype.
1521         * tree-phinodes.c (resize_phi_node): Initialize PHI_ARG_NONZERO.
1522         (add_phi_arg, remove_phi_arg_num): Similarly.
1523         * tree-ssa-copy.c (cprop_into_successor_phis): Propagate nonzero
1524         property into PHI nodes.
1525         * tree-ssa-dom.c: Remove redundant inclusion of flags.h.
1526         (record_equivalences_from_phis): If all PHI arguments are known to be
1527         nonzero, then the result must be nonzero as well.
1528         (cprop_into_phis): Pass nonzero_vars bitmap to cprop_into_successor_phis.
1529         (record_equivalences_from_stmt): Check flag_delete_null_pointer_checks
1530         appropriately.  Walk the USE-DEF chains and propagate nonzero property
1531         as appropriate.
1532         * tree.h (PHI_ARG_NONZERO): Define.
1533         (phi_arg_d): Add nonzero flag.
1534
1535 2004-05-17  Zack Weinberg  <zack@codesourcery.com>
1536
1537         * f: Entire directory removed
1538
1539         * c-common.h (CTI_G77_INTEGER_TYPE, CTI_G77_UINTEGER_TYPE)
1540         (CTI_G77_LONGINT_TYPE, CTI_G77_ULONGINT_TYPE)
1541         (g77_integer_type_node, g77_uinteger_type_node)
1542         (g77_longint_type_node, or g77_ulongint_type_node): Delete.
1543         * c-common.c (c_common_nodes_and_builtins): Do not initialize
1544         the above set of variables.
1545
1546         * config/i386/uwin.h: No need to define WIN32_UWIN_TARGET.
1547         * doc/invoke.texi, doc/standards.texi: Remove cross-references
1548         to g77 manual.
1549
1550 2004-05-17  Steven Bosscher  <stevenb@suse.de>
1551
1552         PR tree-optimization/15438
1553         * tree-ssa-operands.c (get_expr_operands): Do not treat malloc
1554         attributed functions as pure or const.
1555
1556 2004-05-17  Frank Ch. Eigler  <fche@redhat.com>
1557
1558         * tree-mudflap.c (mx_register_decls): Tolerate decl trees resulting
1559         from source code with errors.
1560
1561 2004-05-17  Ranjit Mathew  <rmathew@hotmail.com>
1562
1563         Enable tree browser for all front ends.
1564         * Makefile.in (cc1): Moved @TREEBROWSER@ from here...
1565         (BACKEND): ...to here.
1566
1567 2004-05-17  Jan Hubicka  <jh@suse.cz>
1568
1569         * i386.c (construct_container): Do not produce BLKmode registers.
1570         (classify_argument): Properly compute alignment of complex types.
1571
1572 2004-05-17  H.J. Lu  <hongjiu.lu@intel.com>
1573
1574         PR target/15084
1575         * config/i386/i386.md (*movsi_insv_1_rex64): Changed to DImode
1576         and renamed to movdi_insv_1_rex64.
1577         (insv): Support SImode for 32bit and DImode for 64bit.
1578
1579 2004-05-17  Richard Sandiford  <rsandifo@redhat.com>
1580
1581         * config/mips/mips.h (MASK_DEBUG_G, TARGET_DEBUG_G_MODE): Delete.
1582         (TARGET_SWITCHES): Remove debugg.
1583         * config/mips/mips.md (adddi3, ashldi3, ashrdi3, lshrdi3): Only handle
1584         TARGET_64BIT.
1585         (subdi3): Replace the define_expand with a define_insn, the latter
1586         renamed from subdi3_internal_3.
1587         (negdi2): Likewise negdi2_internal_2.
1588         (adddi3_internal_[12], subdi3_internal, ashldi3_internal{,2,3})
1589         (ashrdi3_internal{,2,3}, lshrdi3_internal{,2,3}): Remove patterns
1590         and associated define_splits.
1591         (adddi3_internal): Renamed from adddi3_internal_3.
1592         (ashldi3_internal): Likewise ashldi3_internal4.
1593         (ashrdi3_internal): Likewise ashrdi3_internal4.
1594         (lshrdi3_internal): Likewise lshrdi3_internal4.
1595
1596 2004-05-17  Richard Sandiford  <rsandifo@redhat.com>
1597
1598         * optabs.c (expand_unop): Try implementing negation using subtraction
1599         from zero.
1600
1601 2004-05-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1602
1603         * pa.md:  Fix typo from last change.  Remove DFmode move to and from
1604         SAR register.
1605
1606 2004-05-16  Richard Earnshaw  <rearnsha@arm.com>
1607
1608         PR target/10982
1609         * arm.md (ne_zeroextractsi): Convert to insn-and-split.
1610         (ne_zeroextractsi_shifted): New pattern.
1611         (ite_ne_zeroextractsi): New pattern.
1612         (ite_ne_zeroextractsi_shifted): New pattern.
1613
1614 2004-05-15  Steven Bosscher  <stevenb@suse.de>
1615
1616         * c-gimplify.c (c_genericize):
1617         Replace calls via (*lang_hooks.foo) with lang_hooks.foo.
1618         * c-parse.in <expr_no_commas>: Likewise.
1619         <if_prefix>: Likewise.
1620         <select_or_iter_stmt>: Likewise.
1621         * expr.c (expand_var, expand_expr_real_1): Likewise.
1622         * expr.h (expand_expr): Make it a static inline function.
1623         Move prototype for expand_expr_real up before this.
1624         * fold-const.c (fold_relational_hi_lo, fold_relational_const):
1625         Likewise.
1626         * gimplify.c (gimple_boolify, gimplify_addr_expr,
1627         gimplify_asm_expr, gimplify_expr): Likewise.
1628         * tree-cfg.c (dump_tree_cfg, dump_cfg_stats, tree_cfg2vcg,
1629         dump_function_to_file): Likewise.
1630         * tree-dfa.c (dump_immediate_uses, dump_dfa_stats): Likewise.
1631         * tree-inline.c (remap_block, save_body, walk_tree): Likewise.
1632         * tree-into-ssa.c (dump_tree_ssa): Likewise.
1633         * tree-mudflap.c (mf_varname_tree, mf_file_function_line_tree):
1634         Likewise.
1635         * tree-optimize.c (execute_one_pass): Likewise.
1636         * tree-pretty-print.c (dump_generic_bb_buff): Likewise.
1637         * tree-ssa-alias.c (dump_alias_stats, dump_alias_info): Likewise.
1638
1639         * objc/objc-act.c (objc_build_try_enter_fragment,
1640         objc_build_try_epilogue, objc_build_catch_stmt,
1641         objc_build_finally_prologue): Replace calls via (*lang_hooks.foo)
1642         with lang_hooks.foo ().
1643
1644 2004-05-15  Roger Sayle  <roger@eyesopen.com>
1645
1646         * builtins.c (simplify_builtin_strcpy): Avoid use of chainon, so
1647         that simplify_builtin doesn't destructively modify its argument.
1648
1649 2004-05-15  Richard Earnshaw  <reanrsha@arm.com>
1650
1651         * arm/lib1funcs.asm (_lshrdi3, _ashrdi3, _ashldi3): Add ASM
1652         implementations for ARM and Thumb.
1653         * arm/t-arm-elf (LIB1ASMFUNCS): Use them.
1654
1655 2004-05-15  Thomas Quinot  <quinot@act-europe.fr>
1656
1657         * prefix.c (update_path): Replace PREFIX with KEY only
1658         when it matches a full directory name in PATH.
1659
1660 2004-05-15  Richard Earnshaw  <reanrsha@arm.com>
1661
1662         * arm.h (TARGET_APCS_32): Delete.
1663         (TARGET_MMU_TRAPS): Delete.
1664         (TARGET_CPU_CPP_BUILTINS): Unconditionally define __APCS_32__.  Never
1665         define __APCS_26__.
1666         (CPP_SPEC): Remove checking of -mapcs-{26,32}.
1667         (ARM_FLAG_APCS_32, ARM_FLAG_MMU_TRAPS): Delete.
1668         (TARGET_SWITCHES): Remove alignment_traps and apcs-{26,32} switches.
1669         (prog_mode_type): Delete.
1670         (PROMOTE_MODE): Always promote unsigned for HImode.
1671         (SECONDARY_INPUT_RELOAD_CLASS): Simplify.
1672         (MASK_RETURN_ADDR): Simplify.
1673         * arm.c (arm_prgmode): Delete.
1674         (arm_override_options, arm_gen_rotated_half_load): Simplify.
1675         (print_multi_reg, output_return_instruction): Simplify.
1676         (arm_output_epilogue, arm_final_prescan_insn): Simplify.
1677         (arm_return_addr): Simplify.
1678         * arm.md (prog_mode): Delete.
1679         (conds): Simplify.
1680         (zero_extendhisi2, extendhisi2, movhi, movhi_bytes): Simplify.
1681         (rotated_loadsi, movhi_insn_littleend, movhi_insn_bigend): Delete.
1682         (loadhi_si_bigend, loadhi_preinc, loadhi_shiftpreinc): Delete.
1683         (loadhi_shiftpredec): Delete.
1684         (peephole for post-increment on HImode load): Delete.
1685         * arm/crtn.asm: (FUNC_END): Simplify.
1686         * arm/lib1funcs.asm: Remove APCS-26 return macros.
1687         * arm/aof.h, arm/coff.h arm/elf.h arm/linux-elf.h arm/netbsd-elf.h
1688         * arm/netbsd.h arm/pe.h arm/semi.h arm/semiaof.h arm/unknown-elf.h
1689         * arm/vxworks.h arm/wince-pe.h: Tidy TARGET_DEFAULTS and
1690         MULTILIB_DEFAULTS as required.
1691         * arm/t-arm-elf arm/t-linux arm/t-pe arm/t-semi arm/t-wince-pe
1692         * arm/t-xscale-coff arm/t-xscale-elf arm/uclinux-elf: Tidy MULTILIB
1693         variables as required.
1694         * doc/invoke.texi (ARM Options): Remove obsolete flags.
1695
1696 2004-05-15  Alan Modra  <amodra@bigpond.net.au>
1697
1698         * config/rs6000/rs6000.c (rs6000_va_arg <ABI_V4>): Don't use
1699         UNITS_PER_WORD to calculate gpr size.  Re-instate code to set reg
1700         count to 8 to handle n_reg > 2.
1701
1702 2004-05-15  Joseph S. Myers  <jsm@polyomino.org.uk>
1703
1704         * doc/extend.texi: Update WG14 URL.
1705
1706 2004-05-15  Steven Bosscher  <stevenb@suse.de>
1707
1708         * basic-block.h (life_analysis, delete_noop_moves):
1709         Update prototypes.
1710         * bt-load.c (branch_target_load_optimize): Don't take the
1711         insns stream as an argument.  Update the life_analysis calls.
1712         * combine.c (combine_instructions): Update delete_noop_moves
1713         calls.
1714         * flow.c (notice_stack_pointer_modification): Don't take the
1715         insns stream as an argument.  Work on the flow graph.
1716         (life_analysis): Likewise.
1717         (delete_noop_moves): Likewise.
1718         * passes.c (rest_of_handle_stack_regs): Update reg_to_stack call.
1719         (rest_of_handle_life): Update life_analysis call.
1720         (rest_of_compilation): Likewise, and also update
1721         branch_target_load_optimize call.
1722         * ra.c (reg_alloc): Update life_analysis call.
1723         * reg-stack.c (reg_to_stack): Likewise.  Also, don't take
1724         the insns stream as an argument.
1725         * regrename.c (copyprop_hardreg_forward): Update delete_noop_moves
1726         call.
1727         * rtl.c (branch_target_load_optimize, reg_to_stack): Update
1728         prototypes.
1729         * value-profile.c (branch_prob): Update life_analysis call.
1730         * web.c (web_main): Work on the CFG, not on the insns stream.
1731
1732         * config/ip2k/ip2k.c (ip2k_reorg): Update life_analysis calls.
1733         * config/m68hc11/m68hc11.c (m68hc11_reorg): Likewise.
1734         * config/sh/sh.c (sh_output_mi_thunk): Likewise.
1735
1736 2004-05-15  Joseph S. Myers  <jsm@polyomino.org.uk>
1737
1738         PR c/15444
1739         * c-format.c (avoid_dollar_number): New function.
1740         (check_format_info_main): Call avoid_dollar_number when operand
1741         numbers might occur but has_operand_number == 0.
1742
1743 2004-05-14  Richard Earnshaw  <rearnsha@arm.com>
1744
1745         * arm.md (all peephole2 patterns): Use predicates that validate
1746         register classes as appropriate.
1747
1748 2004-05-14  Steven Bosscher  <stevenb@suse.de>
1749
1750         PR opt/14472
1751         * tree-tailcall.c (process_assignment): Use STRIP_NOPS to
1752         ignore type conversions that do not inhibit tail calling.
1753         (find_tail_calls): Likewise.
1754
1755 2004-05-14  Jeff Law  <law@redhat.com>
1756
1757         * tree-ssa-dom.c (redirect_edges_and_update_ssa_graph): Don't even
1758         bother marking bypassed virtuals for out-of-ssa.  Instead merge
1759         bypassed virtuals into vars_to_rename just before into-ssa pass.
1760
1761         * tree-ssa-dom.c (simplify_rhs_and_lookup_avail_expr): Reorganize
1762         so that it picks up more opportunities to eliminate ABS expressions
1763         or turn them into negations.
1764
1765 2004-05-14  Steven Bosscher  <stevenb@suse.de>
1766
1767         * passes.c (rest_of_handle_null_pointer): Remove.
1768         (rest_of_handle_cse): Don't call rest_of_handle_null_pointer.
1769         (rest_of_compilation): Likewise.
1770         * rtl.h (delete_null_pointer_checks): Remove prototype.
1771         * gcse.c (rd_kill, rd_gen, reaching_defs, rd_out, ae_in, ae_out):
1772         Remove declarations.
1773         (get_bitmap_width, alloc_rd_mem, free_rd_mem, handle_rd_kill_set,
1774         compute_kill_rd, compute_rd, alloc_avail_expr_mem,
1775         free_avail_expr_mem, compute_ae_gen, expr_killed_p, compute_ae_kill,
1776         expr_reaches_here_p, computing_insn, def_reaches_here_p,
1777         can_disregard_other_sets, handle_avail_expr, classic_gcse,
1778         one_classic_gcse_pass, invalidate_nonnull_info,
1779         delete_null_pointer_checks_1, delete_null_pointer_checks,
1780         expr_reached_here_p_work): Remove.
1781         (gcse_main): Do not perform classic GCSE when optimizing for size.
1782         (alloc_pre_mem, free_pre_mem): Don't touch ae_in and ae_out, they
1783         are never used.
1784
1785 2004-05-14  Andrew Pinski  <pinskia@physics.uc.edu>
1786
1787         PR optimization/14466
1788         * tree-complex.c (make_temp): Remove.
1789         (gimplify_val): Replace make_temp with make_rename_temp
1790         and add NULL as the second argument.
1791         (expand_complex_div_wide): Likewise.
1792         * tree-dfa.c (make_rename_temp): New function.
1793         * tree-flow.h (make_rename_temp): Declare.
1794         * tree-sra.c (make_temp): Remove.
1795         (lookup_scalar): Replace make_temp with make_rename_temp.
1796         (create_scalar_copies): Likewise.
1797         * tree-ssa-phiopt.c (conditional_replacement): When we
1798         get non gimple create a temporary variable to hold the
1799         casted expression.
1800
1801 2004-05-14  Paul Brook  <paul@codesourcery.com>
1802
1803         * stor-layout.c (update_alignment_for_field): Use
1804         targetm.align_anon_bitfield.
1805         * target-def.h (TARGET_ALIGN_ANON_BITFIELD): Define.
1806         (TARGET_INITIALIZER): Use it.
1807         * target.h (struct gcc_target): Add align_anon_bitfield.
1808         * config/arm/arm.c (arm_align_anon_bitfield):  New function.
1809         (TARGET_ALIGN_ANON_BITFIELD): Define.
1810         * doc/tm.texi: Document TARGET_ALIGN_ANON_BITFIELD.
1811
1812 2004-05-13  Zack Weinberg  <zack@codesourcery.com>
1813
1814         * tree.def (documentation): Remove mention of class 'b'.
1815         (BLOCK): Now in class 'x'.
1816         * c-common.c (verify_tree): Remove case 'b'.
1817         * c-typeck.c (same_translation_unit_p): Change 'b' to 'x'.
1818         * calls.c (calls_function_1): Control cannot get past the switch
1819         when exp is a BLOCK.
1820         * print-tree.c (print_node): Move code for class 'b' to the class
1821         'c'/'x' switch, as case BLOCK.
1822         * tree.c (tree_size, make_node_stat, tree_node_structure): Likewise.
1823         (unsafe_for_reeval, substitute_placeholder_in_expr)
1824         (stabilize_reference_1): Remove case 'b'.
1825         * tree-browser.c (browse_tree): Change all tests for TREE_CODE_CLASS
1826         of something being 'b' to tests for TREE_CODE of something being
1827         BLOCK.
1828         * tree-ssa-operands.c (get_expr_operands): Likewise.
1829
1830 2004-05-13  Diego Novillo  <dnovillo@redhat.com>
1831
1832         * tree-gimple.c: Rename from tree-simple.c.
1833         * tree-gimple.h: Rename from tree-simple.h.
1834         * c-gimplify.c: Rename from c-simplify.c
1835         * Makefile.in, c-decl.c, gimple-low.c, gimplify.c,
1836         langhooks.c, tree-alias-ander.c, tree-alias-common.c,
1837         tree-complex.c, tree-dfa.c, tree-flow.h, tree-inline.c,
1838         tree-into-ssa.c, tree-iterator.c, tree-mudflap.c,
1839         tree-nested.c, tree-nomudflap.c, tree-outof-ssa.c, tree-sra.c,
1840         tree-ssa-alias.c, tree-ssa-ccp.c, tree-ssa-copyrename.c,
1841         tree-ssa-dce.c, tree-ssa-live.c, tree-ssa-pre.c, tree-ssa.c:
1842         Update.
1843
1844 2004-05-14  Ranjit Mathew  <rmathew@hotmail.com>
1845
1846         * doc/sourcebuild.texi: Mention libbanshee and libmudflap.
1847
1848 2004-05-13  Andrew Pinski  <pinskia@physics.uc.edu>
1849
1850         * tree-ssa.c (delete_tree_ssa): XFREE
1851         bitmaps allocated with BITMAP_XMALLOC.
1852
1853         * tree-ssa-pre.c (execute_pre): Free ephi_use_pool and
1854         idfs_cache at the end of the function.
1855
1856         * tree-ssa-live.c (calculate_live_on_entry): Free saw_def
1857         at the end of the function.
1858
1859         * tree-ssa-dce.c (perform_tree_ssa_dce): Free
1860         el at the end of the function.
1861
1862         * tree-into-ssa.c (insert_phi_nodes_for): XFREE
1863         bitmaps allocated with BITMAP_XMALLOC.
1864
1865         * loop-unswitch.c (unswitch_single_loop): Free bbs at
1866         the end.
1867
1868         * final.c (shorten_branches): Free uid_shuid before
1869         reallocating it.
1870
1871         * bb-reoder.c (connect_traces): Free cold_traces at the end.
1872
1873 2004-05-13  Jeff Law  <law@redhat.com>
1874
1875         * tree-ssa-live.c (calculate_live_on_entry): Ignore virtual
1876         variables.  Simplify slightly by using USE_OP/DEF_OP instead
1877         of USE_OP_PTR/DEF_OP_PTR and dereferencing the result.
1878
1879         * tree-into-ssa.c (compute_global_livein): Use EXECUTE_IF_SET_IN_BITMAP
1880         rather than iterating through the blocks testing each bit in
1881         livein to initialize the worklist.
1882         (mark_def_sites): Remove useless checks of KILLS for virtual
1883         operands.
1884
1885         * tree-ssa-forwprop.c (record_single_argument_cond_exprs): Accept
1886         new parameters for the statement and variable worklist as well
1887         as a bitmap of interesting SSA_NAMEs.  Walk over the statement
1888         worklist recording interesting variables in the variable worklist
1889         and bitmap.  Handle casts between integral and boolean types.
1890         (substitute_single_use_vars): Accept new parameters for the statement
1891         and variable worklist.  When a substitution is made add a new
1892         entry to the statement worklist.  Handle casts between integral
1893         and boolean types.
1894         (tree_ssa_forward_propagate_single_use_vars): Rework to pass
1895         worklists to children.  Iterate until the statement worklist
1896         is empty.
1897
1898 2004-05-13  Andrew Pinski  <pinskia@physics.uc.edu>
1899
1900         * tree-outof-ssa.c (rewrite_vars_out_of_ssa): Free map at
1901         the end of the block.
1902
1903         * tree-into-ssa.c (def_blocks_free): XFREE bitmaps allocated
1904         with BITMAP_XMALLOC.
1905
1906         * tree-ssa-alias.c (delete_alias_info): XFREE bitmaps allocated
1907         with BITMAP_XMALLOC.
1908
1909         * tree-ssa-dom.c (tree_ssa_dominator_optimize):
1910         Free nonzero_vars at the end of the function.
1911
1912         * convert.c (convert_to_integer): Make a CONVERT_EXPR when there is a
1913         need to generate code instead of a NOP_EXPR.
1914
1915 2004-05-13  Ian Lance Taylor  <ian@wasabisystems.com>
1916
1917         * gcc.c (default_compilers): Fill out initializers for new Fortran
1918         entries.
1919
1920 2004-05-13  Paul Brook  <paul@codesourcery.com>
1921
1922         * config/arm/arm.h (PCC_BITFIELD_TYPE_MATTERS): Define.
1923
1924 2004-05-13  Paul Brook  <paul@codesourcery.com>
1925
1926         * config/arm/arm.c (arm_default_short_enums): New function.
1927         (TARGET_DEFAULT_SHORT_ENUMS): Define.
1928
1929 2004-05-13  Diego Novillo  <dnovillo@redhat.com>
1930
1931         Merge from tree-ssa-20020619-branch.
1932
1933         * Makefile.in (reload1.o-warn): Add.
1934         (tree-alias-ander.o-warn): Add.
1935         (GMPLIBS): Define.
1936         (GMPINC): Define.
1937         (BANSHEELIB): Define.
1938         (BANSHEEINC): Define.
1939         (TREE_DUMP_H): Define.
1940         (TREE_SIMPLE_H): Define.
1941         (TREE_FLOW_H): Define.
1942         (LIBDEPS): Add BANSHEELIB.
1943         (INCLUDES): Add BANSHEEINC and GMPINC.
1944         (C_AND_OBJC_OBJS): Add c-simplify.o, tree-mudflap.o,
1945         c-mudflap.o and c-pretty-print.o.
1946         (C_OBJS): Remove c-pretty-print.o.
1947         (OBJS-common): Remove sibcall.o.
1948         Add tree-cfg.o, tree-dfa.o, tree-eh.o,
1949         tree-ssa.o, tree-optimize.o, tree-simple.o,
1950         tree-alias-type.o, gimplify.o, tree-pretty-print.o,
1951         tree-into-ssa.o, tree-outof-ssa.o, tree-alias-common.o,
1952         tree-ssa-ccp.o, @ANDER@, tree-ssa-dce.o, tree-ssa-copy.o,
1953         tree-nrv.o, tree-ssa-copyrename.o, tree-ssa-pre.o,
1954         tree-ssa-live.o, tree-ssa-operands.o, tree-ssa-alias.o,
1955         tree-ssa-phiopt.o, tree-ssa-forwprop.o, tree-nested.o,
1956         tree-ssa-dse.o, tree-ssa-dom.o, domwalk.o,
1957         tree-tailcall.o, gimple-low.o, tree-iterator.o,
1958         tree-phinodes.o, tree-ssanames.o, tree-sra.o,
1959         tree-complex.o, tree-ssa-loop.o, rtl-profile.o and
1960         tree-profile.o.
1961         (OBJC-archive): Add tree-nomudflap.o.
1962         (cc1): Add dependency on @TREEBROWSER@.
1963         (c-decl.o): Add dependency on TREE_DUMP_H.
1964         (c-dump.o): Likewise.
1965         (c-common.o): Add dependency on tree-iterator.h
1966         (c-pretty-print.o): Add dependency on DIAGNOSTIC_H.
1967         (gtype-desc.o): Add dependency on TREE_FLOW_H.
1968         (tree.o): Add dependency on tree-iterator.h,
1969         BASIC_BLOCK_H and TREE_FLOW_H.
1970         (tree-dump.o): Depend on TREE_DUMP_H instead of tree-dump.h.
1971         (langhooks.o): Add dependency on TREE_SIMPLE_H.
1972         (tree-alias-type.o, tree-alias-ander.o,
1973         tree-alias-common.o, tree-ssa.o, tree-into-ssa.o,
1974         tree-outof-ssa.o, tree-ssa-dse.o, tree-ssa-forwprop.o,
1975         tree-ssa-phiopt.o, tree-nrv.o, tree-ssa-copy.o,
1976         tree-ssa-dom.o, tree-ssanames.o, tree-phinodes.o,
1977         domwalk.o, tree-ssa-live.o, tree-ssa-copyrename.o,
1978         tree-ssa-pre.o, tree-cfg.o, tree-tailcall.o,
1979         tree-nested.o, tree-iterator.o, tree-dfa.o,
1980         tree-ssa-operands.o, tree-eh.o, tree-ssa-loop.o,
1981         tree-ssa-alias.o, tree-optimize.o, c-simplify.o,
1982         gimplify.o, gimple-low.o, tree-browser.o, tree-simple.o,
1983         tree-mudflap.o, c-mudflap.o, tree-nomudflap.o,
1984         tree-pretty-print.o, tree-ssa-dce.o, tree-ssa-ccp.o,
1985         tree-sra.o, tree-complex.o, tree-profile.o,
1986         rtl-profile.o): New rules.
1987         (function.o): Add dependency on basic-block.h
1988         (expr.o): Add dependency on tree-iterator.h.
1989         (sibcall.o): Remove.
1990         (profile.o): Depend on TREE_FLOW_H instead of TREE_H.
1991         (cfg.o): Add dependency on TIMEVAR_H.
1992         (cfghooks.o): Add dependency on TREE_FLOW_H.
1993         (reg-stack.o): Add dependency on basic-block.h.
1994         (GTFILES): Add hwint.h, tree-mudflaph.c, tree-flow.h,
1995         c-objc-common.c, c-common.c, c-parse.in, tree-ssanames.c,
1996         tree-eh.c, tree-phinodes.c, tree-cfg.c, tree-dfa.c,
1997         tree-ssa-ccp.c, tree-iterator.c, gimplify.c,
1998         tree-alias-type.h, tree-alias-common.h,
1999         tree-alias-type.c, tree-alias-common.c,
2000         tree-ssa-operands.h, tree-ssa-operands.c, tree-profile.c,
2001         rtl-profile.c and tree-nested.c.
2002         (gt-tree-alias-common.h, gt-tree-mudflap.h,
2003         gt-tree-ssa-ccp.h, gt-tree-eh.h, gt-tree-ssanames.h,
2004         gt-tree-iterator.h, gt-gimplify.h, gt-tree-phinodes.h,
2005         gt-tree-cfg.h, gt-tree-nested.h): New rules.
2006         (TEXI_GCCINT_FILES): Add cfg.texi and tree-ssa.texi.
2007         * basic-block.h: Include predict.h
2008         (struct edge_def): Add GTY marker.
2009         Change field 'insns' to be a union of tree and rtx.
2010         (EDGE_TRUE_VALUE): Define.
2011         (EDGE_FALSE_VALUE): Define.
2012         (EDGE_EXECUTABLE): Define.
2013         (struct bb_ann_d): Forward declare.
2014         (struct basic_block_def): Add GTY marker.
2015         Remove fields head_tree and end_tree.
2016         Add fields stmt_list, rbi and tree_annotations.
2017         (struct reorder_block_def): Define.
2018         (basic_block_info): Add GTY marker.
2019         (ENTRY_BLOCK_PTR, EXIT_BLOCK_PTR): Change to global
2020         variables instead of macros.
2021         (flow_call_edges_add): Remove declaration.
2022         (make_eh_edge): Remove declaration.
2023         (brief_dump_cfg, find_edge, tree_predicted_by_p,
2024         rtl_predicted_by_p, tree_predict_edge, rtl_predict_edge,
2025         predict_edge_def, rtl_make_eh_edge, find_basic_blocks,
2026         cleanup_cfg, delete_unreachable_blocks, merge_seq_blocks,
2027         alloc_rbi_pool, initialize_bb_rbi, free_rbi_pool): Declare.
2028         (try_redirect_by_replacing_jump): Modfiy return type to
2029         edge instead of bool.
2030         * bb-reorder.c (copy_bb): Call duplicate_block
2031         instead of cfg_layout_duplicate_bb.
2032         (copy_bb_p): Call can_duplicate_block_p instead of
2033         cfg_layout_can_duplicate_bb_p.
2034         * bitmap.c (bitmap_first_set_bit): Abort if word
2035         wasn't found.
2036         (bitmap_last_set_bit): Likewise.
2037         * builtin-types.def (DEF_FUNCTION_TYPE_2): Add
2038         (DEF_FUNCTION_TYPE_3): Add.
2039         * builtins.c (c_strlen): Make extern.
2040         (builtin_save_expr): New.
2041         (expand_builtin_nonlocal_goto): New.
2042         (expand_builtin_constant_p): Remove.
2043         (expand_builtin_mathfn): Call builtin_save_expr instead
2044         of save_expr.
2045         (expand_builtin_mathfn_2): Likewise.
2046         (expand_builtin_strcmp): Likewise.
2047         (expand_builtin_strncmp): Likewise.
2048         (expand_builtin_strcat): Likewise.
2049         (fold_builtin_cabs): Likewise.
2050         (expand_builtin_alloca): Don't trigger if -fmudflap is
2051         given.
2052         (build_string_literal): Set TREE_INVARIANT on new node.
2053         (expand_builtin_profile_fun): New.
2054         (round_trampoline_addr): New.
2055         (expand_builtin_init_trampoline): New.
2056         (expand_builtin_adjust_trampoline): New.
2057         (expand_builtin) <BUILT_IN_NEXT_ARG>: Call simplify_builtin_next_arg.
2058         <BUILT_IN_CONSTANT_P>: Return const0_rtx;
2059         <BUILT_IN_STACK_ALLOC, BUILT_IN_STACK_SAVE,
2060         BUILT_IN_STACK_RESTORE, BUILT_IN_NONLOCAL_GOTO,
2061         BUILT_IN_PROFILE_FUNC_ENTER, BUILT_IN_PROFILE_FUNC_EXIT,
2062         BUILT_IN_INIT_TRAMPOLINE, BUILT_IN_ADJUST_TRAMPOLINE>:
2063         Handle.
2064         (fold_builtin_expect): New.
2065         (fold_builtin_isascii): Don't return non-constant results
2066         in GIMPLE form.
2067         (fold_builtin_isdigit): Likewise.
2068         (fold_builtin_1): New.
2069         (fold_builtin): Call it.
2070         (build_function_call_expr): Update call to build a new
2071         CALL_EXPR.
2072         (purge_builtin_constant_p): Remove.
2073         (simplify_builtin, simplify_builtin_memcmp,
2074         simplify_builtin_strcmp, simplify_builtin_strncmp,
2075         simplify_builtin_strpbrk, simplify_builtin_strstr,
2076         simplify_builtin_strchr, simplify_builtin_strrchr,
2077         simplify_builtin_strcat, simplify_builtin_strncat,
2078         simplify_builtin_strspn, simplify_builtin_strcspn,
2079         simplify_builtin_next_arg, simplify_builtin_va_start,
2080         simplify_builtin_sprintf): New.
2081         * builtins.def (BUILT_IN_STACK_ALLOC,
2082         BUILT_IN_STACK_SAVE, BUILT_IN_STACK_RESTORE,
2083         BUILT_IN_INIT_TRAMPOLINE, BUILT_IN_ADJUST_TRAMPOLINE,
2084         BUILT_IN_NONLOCAL_GOTO, BUILT_IN_PROFILE_FUNC_ENTER,
2085         BUILT_IN_PROFILE_FUNC_EXIT): Define.
2086         * c-common.c: Include tree-iterator.h and hashtab.h.
2087         (lang_statement_code_p): Declare.
2088         (lang_gimplify_stmt): Declare.
2089         (fix_string_type): Set TREE_INVARIANT for value.
2090         (pointer_int_sum): Rely on build to set TREE_CONSTANT.
2091         (c_type_hash): New.
2092         (c_common_get_alias_set): Handle multiple type nodes
2093         referring to "the same" type, currently for C90 only.
2094         (c_add_case_label): Use create_artificial_label.
2095         (finish_label_address_expr): Don't set TREE_CONSTANT on
2096         result.
2097         (c_expand_expr): Don't handle STMT_EXPR.
2098         (handle_alias_attribute): Marke aliased variables to be
2099         TREE_STATIC.
2100         (handle_nonnull_attribute): Initialize arg_num.
2101         (check_function_nonnull): Likewise.
2102         (c_walk_subtrees): New.
2103         (c_estimate_num_insns_1): Don't handle
2104         EXPR_WITH_FILE_LOCATION nor FILE_STMT.
2105         (c_decl_uninit_1): Remove.
2106         (c_decl_uninit): Remove.
2107         (c_warn_unused_result): New.
2108         * c-common.def (ASM_STMT): Change number of operands
2109         to 4.
2110         (FILE_STMT): Remove.
2111         * c-common.h (lang_expand_stmt, lang_expand_decl_stmt):
2112         Remove.
2113         (lang_gimplify_stmt): Add.
2114         (expand_stmt): Remove.
2115         (ASM_CV_QUAL, ASM_STRING, ASM_OUTPUTS, ASM_INPUTS,
2116         ASM_CLOBBERS, STMT_EXPR_WARN_UNUSED_RESULT,
2117         ASM_VOLATILE_P, FILE_STMT_FILENAME_NODE,
2118         FILE_STMT_FILENAME, STMT_LINENO, STMT_LINENO_FOR_FN_P,
2119         ASM_INPUT_P, DECL_C_HARD_REGISTER): Remove.
2120         (genrtl_do_pushlevel, genrtl_goto_stmt, genrtl_expr_stmt,
2121         genrtl_expr_stmt_value, genrtl_decl_stmt, genrtl_if_stmt,
2122         genrtl_while_stmt, genrtl_do_stmt, genrtl_return_stmt,
2123         genrtl_for_stmt, genrtl_break_stmt, genrtl_continue_stmt,
2124         genrtl_scope_stmt, genrtl_switch_stmt, genrtl_case_label,
2125         genrtl_compound_stmt, genrtl_asm_stmt,
2126         genrtl_cleanup_stmt, c_decl_uninit): Remove.
2127         (c_do_switch_warnings, c_gimplify_expr, c_walk_subtrees,
2128         c_tree_chain_matters_p, c_warn_unused_result,
2129         c_genericize, c_gimplify_stmt, stmt_expr_last_stmt):
2130         Declare.
2131         * c-convert.c (convert): Make convert work when
2132         converting to compatible types across translation unit.
2133         * c-decl.c: Include langhooks.h, tree-mudflap.h,
2134         tree-simple.h, diagnostic.h and tree-dump.h
2135         (merge_decls): Initialize oldtype to NULL.
2136         (finish_decl): Use DECL_HARD_REGISTER instead of
2137         DECL_C_HARD_REGISTER.
2138         (check_bitfield_type_and_width): Check for null
2139         lang_type_specific when check the precision of an enum.
2140         (grokdeclarator): Immediately layout an ARRAY_TYPE used
2141         in a pointer-to-array declarator.
2142         (finish_struct): Clear allocated struct lang_type.
2143         (finish_enum): Set enum_min and enum_max.  Set
2144         TYPE_MIN/MAX_VALUE to the limits of the compatible type,
2145         not to the enumerators.
2146         (set_decl_nonlocal): New.
2147         (store_parm_decls): Use it via walk_tree.
2148         (c_finalize): New.
2149         (finish_function): When !targetm.have_ctors_dtors,
2150         record static constructors and destructors here...
2151         (c_expand_body_1): ... not here.
2152         (c_expand_decl): Rename from c_expand_decl_stmt.
2153         Handle all C-specific expansion semantics.
2154         * c-dump.c (dump_stmt): Use EXPR_LOCUS instead of
2155         STMT_LINENO.
2156         * c-format.c (handle_format_arg_attribute): Initialize
2157         format_num.
2158         * c-lang.c: Include tree-inline.h
2159         (LANG_HOOKS_EXPAND_DECL,
2160         LANG_HOOKS_FUNCTION_MISSING_NORETURN_OK_P,
2161         LANG_HOOKS_TREE_INLINING_WALK_SUBTREES,
2162         LANG_HOOKS_TREE_INLINING_TREE_CHAIN_MATTERS_P,
2163         LANG_HOOKS_GIMPLIFY_EXPR, LANG_HOOKS_TYPES_COMPATIBLE_P): Define.
2164         (LANG_HOOKS_DECL_UNINIT, LANG_HOOKS_RTL_EXPAND_STMT,
2165         LANG_HOOKS_TREE_INLINING_ESTIMATE_NUM_INSNS): Remove.
2166         (c_types_compatible_p): New.
2167         * c-mudflap.c: New file.
2168         * c-objc-common.c: Include tree-mudflap.h
2169         (start_cdtor, finish_cdtor): Collapse
2170         together into
2171         (build_cdtor): ...here.  Update to construct a complete tree
2172         for the function.  No need to call push_scope, pop_scope, or
2173         clear_last_expr, or set current_function_cannot_inline.
2174         (c_missing_noreturn_ok_p): Change prototype to return
2175         bool.
2176         (c_objc_common_init): Don't set lang_missing_noreturn_ok_p.
2177         * c-opts.c (c_common_handle_option): Move handling of -fdump- to
2178         opts.c.
2179         (c_common_post_options): Don't ever use rtl inlining.
2180         * c-parse.in: Use EXPR_LOCUS instead of STMT_LINENO.
2181         * c-pragma.c (handle_pragma_redefine_extname): Define
2182         always.
2183         (init_pragma): Activate #pragma redefine_extname for mudflap.
2184         * c-pretty-print.c (pp_c_statement): Remove FILE_STMT.
2185         (pp_c_initializer): Accept any type CONSTRUCTOR.
2186         (pp_c_initializer_list): Fix code expectations for VECTOR_TYPE and
2187         COMPLEX_TYPE.
2188         (decl_name_str): New local function.
2189         (pp_c_direct_declarator): Call it.
2190         (pp_c_primary_expression): Call it.
2191         (pp_c_id_expression): Call it.
2192         (pp_c_statement): Call it.
2193         (print_c_tree): Create new pp object.
2194         * c-pretty-print.h (pp_c_tree_decl_identifier,
2195         print_c_tree): Declare.
2196         * c-semantics.c: Include langhooks.h
2197         (lang_expand_stmt, lang_expand_decl_stmt,
2198         find_reachable_label_1, find_reachable_label,
2199         expand_unreachable_if_stmt, expand_unreachable_stmt,
2200         genrtl_do_stmt_1): Remove.
2201         (begin_stmt_tree): Don't check for changed filename.
2202         Call annotate_with_locus.
2203         (finish_stmt_tree): Don't set line for end of function.
2204         (build_stmt): Don't check type nodes for
2205         side effects.
2206         (build_stmt): Set TREE_SIDE_EFFECTS.
2207         Set EXPR_LOCUS instead of STMT_LINENO.
2208         (lang_expand_stmt, lang_expand_decl_stmt,
2209         expand_cond, genrtl_do_pushlevel, genrtl_goto_stmt, genrtl_expr_stmt,
2210         genrtl_expr_stmt_value, genrtl_decl_stmt, genrtl_if_stmt,
2211         genrtl_while_stmt, genrtl_do_stmt_1, genrtl_do_stmt,
2212         genrtl_return_stmt, genrtl_for_stmt, genrtl_break_stmt,
2213         genrtl_continue_stmt, genrtl_scope_stmt, genrtl_switch_stmt,
2214         genrtl_case_label, genrtl_compound_stmt, genrtl_asm_stmt,
2215         genrtl_cleanup_stmt, expand_stmt, find_reachable_label,
2216         find_reachable_label_1, expand_unreachable_if_stmt,
2217         expand_unreachable_stmt): Remove.
2218         (prep_stmt): Use EXPR_LOCUS instead of STMT_LINENO.
2219         * c-simplify.c: New file.
2220         * c-tree.h (C_LANG_TREE_NODE_CHAIN_NEXT): Define.
2221         (struct lang_type): Add fields enum_min and enum_max.
2222         (c_expand_decl_stmt, c_missing_noreturn_ok_p): Remove.
2223         (c_expand_decl, c_missing_noreturn_ok_p,
2224         c_types_compatible_p): Declare.
2225         * c-typeck.c (tagged_types_tu_compatible_p): Allow for
2226         compiler-generated TYPE_DECLs without a DECL_ORIGINAL_TYPE.
2227         (default_function_array_conversion): Rely on build to
2228         set TREE_CONSTANT.
2229         (parser_build_binary_op, pointer_diff): Likewise.
2230         (build_unary_op, build_binary_op): Likewise.
2231         (build_array_ref):
2232         (build_external_ref): Set TREE_INVARIANT.
2233         (build_c_cast, pop_init_level): Likewise.
2234         (process_init_element): Use ASM_VOLATILE_P.
2235         (build_asm_expr): Adapt to GENERIC/GIMPLE syntax.
2236         (c_finish_case): Call c_do_switch_warnings.
2237         * c.opt (fdump-): Remove.
2238         * calls.c (try_to_integrate): Remove.
2239         (prepare_call_address): Replace fndecl arg with a
2240         precomputed static chain value.
2241         (emit_call_1): New argument for full call expr.
2242         (flags_from_decl_or_type): Call special_function_p.
2243         (initialize_argument_information): Add argument
2244         may_tailcall.
2245         (purge_reg_equiv_notes): New.
2246         (expand_call): Do not try to expand calls inline.
2247         (fixup_tail_calls): New.
2248         * cfg.c: Include timevar.h and ggc.h.
2249         (bb_pool, edge_pool): Remove.
2250         (ENTRY_BLOCK_PTR, EXIT_BLOCK_PTR): Declare.
2251         (entry_exit_blocks): Remove.
2252         (rbi_pool): Declare.
2253         (init_flow): Do not create pools.
2254         Allocate entry/exit block.
2255         (free_edge, alloc_block, expunge_block, unchecked_make_edge): Use GGC.
2256         (alloc_rbi_pool, free_rbi_pool, initialize_bb_rbi): New.
2257         (unlink_block): Clear b->prev_bb and b->next_bb.
2258         (compact_blocks): Clear all slots of BASIC_BLOCK array.
2259         (dump_flow_info): Work on trees too.
2260         (dump_cfg_bb_info): New.
2261         (brief_dump_cfg): New.
2262         * cfganal.c (need_fake_edge_p, flow_call_edges_add): Remove.
2263         (find_edge): New.
2264         * cfgbuild.c (rtl_make_eh_edge): Rename from
2265         make_eh_edge.  Update all users.
2266         (find_basic_blocks): Don't call VARRAY_FREE on
2267         basic_block_info.
2268         * cfgcleanup.c (outgoing_edges_match): Initialize newpos1
2269         and newpos2.
2270         (delete_unreachable_blocks): Return changed status.
2271         (merge_seq_blocks): New.
2272         * cfghooks.c: Include tree-flow.h
2273         (tree_register_cfg_hooks, ir_type): New.
2274         (redirect_edge_and_branch): Change return type to edge.
2275         (predict_edge, predicted_by_p, can_duplicate_block_p,
2276         duplicate_block, block_ends_with_call_p,
2277         block_ends_with_condjump_p, flow_call_edges_add): New.
2278         * cfghooks.h (redirect_edge_and_branch): Change return
2279         type to edge.
2280         (predict_edge, predicted_by_p, can_duplicate_block_p,
2281         duplicate_block, block_ends_with_call_p,
2282         block_ends_with_condjump_p, flow_call_edges_add): Declare.
2283         (redirect_edge_and_branch): Change return type to edge.
2284         (struct cfg_hooks): Add fields block_ends_with_call_p,
2285         block_ends_with_condjump_p, flow_call_edges_add,
2286         predict_edge, predicted_by_p, can_duplicate_block_p and
2287         duplicate_block.
2288         (tree_cfg_hooks, ir_type, tree_register_cfg_hooks): Declare.
2289         * cfglayout.c (cfg_layout_pool, cfg_layout_initialize_rbi): Removed.
2290         (fixup_reorder_chain): Use initialize_bb_rbi.
2291         (cfg_layout_can_duplicate_bb_p, cfg_layout_duplicate_bb): Hookized.
2292         (cfg_layout_initialize): Use cfg.c rbi pool manipulation functions.
2293         (can_copy_bbs_p, copy_bbs): Use cfghooks for bb duplication.
2294         (insn_locators_initialize): Use new info about blocks.
2295         * cfglayout.h (typedef struct reorder_block_def): Moved to
2296         basic_block.h.
2297         (cfg_layout_can_duplicate_bb_p, cfg_layout_duplicate_bb): Declaration
2298         removed.
2299         * cfgloop.c: Include tree.h and tree-flow.h.
2300         * cfgloop.h (create_loop_notes): Declare.
2301         * cfgloopmanip.c (create_loop_notes): New.
2302         * cfgrtl.c (cfg_layout_create_basic_block): Use initialize_bb_rbi.
2303         (rtl_cfg_hooks, cfg_layout_rtl_cfg_hook): Fill in can_duplicate_block_p
2304         and duplicate_block fields.
2305         (create_basic_block_structure): Don't look at
2306         RTX_INTEGRATED_P.
2307         (rtl_block_ends_with_call_p): New.
2308         (rtl_block_ends_with_condjump_p): New.
2309         (need_fake_edge_p): Moved from cfganal.c.
2310         (rtl_flow_call_edges_add): Moved from cfganal.c (flow_call_edges_add).
2311         (rtl_cfg_hooks): Add rtl_block_ends_with_call_p,
2312         rtl_block_ends_with_condjump_p, rtl_flow_call_edges_add.
2313         (cfg_layout_rtl_cfg_hooks): Ditto.
2314         * cgraph.c (cgraph_mark_reachable_node): Don't force nested
2315         functions to be reachable.
2316         * cgraphunit.c (decide_is_function_needed):
2317         * cgraphunit.c (decide_is_function_needed): Nested functions of extern
2318         inline functions don't need to be output.
2319         (cgraph_assemble_pending_functions): Don't do anything
2320         special for nested functions.
2321         (cgraph_mark_functions_to_output): Likewise.
2322         (cgraph_finalize_function): Don't zap DECL_STRUCT_FUNCTION.
2323         (cgraph_analyze_function): Use estimate_num_insns.
2324         (cgraph_mark_functions_to_output): Likewise.
2325         (cgraph_estimate_growth, cgraph_clone_inlined_nodes): Likewise.
2326         (cgraph_expand_function): Allow functions to not be
2327         emitted.
2328         (cgraph_remove_unreachable_nodes):
2329         (cgraph_recursive_inlining_p): Simplify.
2330         (lookup_recursive_calls,
2331         cgraph_decide_recursive_inlining): New.
2332         (cgraph_decide_inlining_*): Update calls of
2333         cgraph_mark_inline.
2334         * combine.c (get_pos_from_mask): Always set *plen.
2335         * common.opt (fdump-, fmudflap, fmudflapth, fmudflapir,
2336         ftree-based-profiling, ftree-ccp, ftree-ch,
2337         ftree-combine-temps, ftree-copyrename, ftree-dce,
2338         ftree-dominator-opts, ftree-dse, ftree-loop-optimize,
2339         ftree-points-to, ftree-pre, ftree-sra, ftree-ter,
2340         ftree-lrs): Add.
2341         * config.in (HAVE_LD_PIE, HAVE_BANSHEE, PREFIX_INCLUDE_DIR):
2342         Undefine.
2343         * configure.ac: Add --enable-tree-browser option.
2344         Add --with-libbanshee option.
2345         Add GMPLIBS and GMPINC.
2346         * configure: Regenerate.
2347         * coverage.c (tree_ctr_tables): New.
2348         (coverage_counter_alloc): Use it.
2349         (build_ctr_info_value): Ditto.
2350         (coverage_counter_ref): Ditto.  Rename to rtl_coverage_counter_ref.
2351         (tree_coverage_counter_ref): New.
2352         * coverage.h (coverage_counter_ref): Remove declaration.
2353         (rtl_coverage_counter_ref): Declare.
2354         (tree_coverage_counter_ref): Declare.
2355         * cppexp.c (append_digit): Rearrange unsignedp/overflow setting.
2356         (eval_token, num_binary_op, num_part_mul, num_div_op): Likewise.
2357         * cse.c (fold_rtx): Do not handle CONSTANT_P_RTX.
2358         (struct cse_basic_block_data): Rename enum values to not
2359         conflict with profile.h; update all uses.
2360         * dbxout.c (dbxout_symbol_location): Don't mention integrate.c
2361         in comments.
2362         * defaults.h (TRAMPOLINE_ALIGNMENT): Move from function.c.
2363         * diagnostic.h (debug_output_buffer, dump_generic_node,
2364         print_generic_stmt, print_generic_stmt_indented,
2365         print_generic_expr, print_generic_decl,
2366         debug_generic_expr, debug_generic_stmt, debug_c_tree):
2367         Declare.
2368         * dominance.c: Cache immediate dominators.
2369         * domwalk.c: New file.
2370         * domwalk.h: New file.
2371         * dwarf2out.c (is_fortran): Support DW_LANG_Fortran95.
2372         (gen_subprogram_die): Generate a DIE for a named
2373         return value.
2374         (loc_descriptor_from_tree): Treat RESULT_DECL like VAR_DECL.
2375         (add_location_or_const_value_attribute): Likewise.
2376         (add_bound_info): Likewise.
2377         (gen_decl_die): Likewise.
2378         * emit-rtl.c (maybe_set_first_label_num): New.
2379         (copy_most_rtx): Don't copy the integrated flag.
2380         Copy the new return_val flag.
2381         * et-forest.c (MAX_NODES): Define.
2382         (record_path_before_1): Abort if len is greater than
2383         MAX_NODES.
2384         * except.c (gen_eh_region, gen_eh_region_cleanup, gen_eh_region_try,
2385         gen_eh_region_catch, gen_eh_region_allowed,
2386         gen_eh_region_must_not_throw, get_eh_region_number,
2387         get_eh_region_may_contain_throw, get_eh_region_tree_label,
2388         set_eh_region_tree_label, expand_resx_expr): New.
2389         (expand_eh_region_start, expand_start_catch): Use them.
2390         (expand_end_catch): Tidy.
2391         (note_eh_region_may_contain_throw): Take region argument.
2392         (note_current_region_may_contain_throw): New.
2393         (get_exception_filter): Export.
2394         (collect_eh_region_array): Export.
2395         (remove_unreachable_regions): Check ERT_TRY based on reachability
2396         of catches, not reachability of continue_label.  Never remove
2397         ERT_MUST_NOT_THROW regions.
2398         (collect_rtl_labels_from_trees): New.
2399         (convert_from_eh_region_ranges): Use it.
2400         (connect_post_landing_pads): Handle dying cleanups.
2401         (struct reachable_info): Add callback data.
2402         (add_reachable_handler): Invoke the callback.
2403         (foreach_reachable_handler): New.
2404         (reachable_handlers): Use it.
2405         (arh_to_landing_pad, arh_to_label): New.
2406         (can_throw_internal_1): Split out from can_throw_internal.
2407         (can_throw_external_1): Similarly.
2408         * except.h: Update.
2409         * explow.c (emit_stack_save): Remove savearea mode check.
2410         (update_nonlocal_goto_save_area): New.
2411         (allocate_dynamic_stack_space): Use it.
2412         (probe_stack_range): Never emit loop notes.
2413         * expmed.c (extract_fixed_bit_field): Always propagate the
2414         target for the shift if it is a REG.
2415         * expr.c: Include tree-iterator.h
2416         (is_zeros_p): Remove.
2417         (categorize_ctor_elements_1, categorize_ctor_elements): New.
2418         (count_type_elements): New.
2419         (mostly_zeros_p): Use them.
2420         (expr_wfl_stack): Remove.
2421         (convert_move): Do nothing if to and from are the same.
2422         (emit_block_move_via_loop): Don't emit LOOP notes.
2423         (emit_move_insn): Don't handle CONSTANT_P_RTX.
2424         (emit_move_insn_1): Don't generate inline warnings.
2425         (expand_vars, expand_var): Split from ...
2426         (expand_expr_1): ... here.
2427         (expand_expr_real, expand_expr_real_1):  Use new macros
2428         EXPR_LOCATION and EXPR_HAS_LOCATION.
2429         * expr.h (simplify_builtin_fputs,
2430         simplify_builtin_strcpy, simplify_builtin_strncpy,
2431         expand_var, fixup_tail_calls,
2432         update_nonlocal_goto_save_area): Declare.
2433         (lookup_static_chain, expand_inline_function,
2434         mark_seen_cases): Remove.
2435         (prepare_call_address): Change type of 2nd argument to
2436         rtx.
2437         * final.c (profile_function): Update static chain test.
2438         (final): Don't look at RTX_INTEGRATED_P.
2439         * flags.h (flag_mudflap, flag_mudflap_threads,
2440         flag_mudflap_ignore_reads, flag_tree_pre, flag_tree_ccp,
2441         flag_tree_dce, flag_tree_combine_temps,
2442         flag_tree_live_range_split, flag_tree_dom, flag_tree_ch,
2443         flag_tree_dse, flag_tree_sra, flag_tree_copyrename,
2444         flag_tree_points_to): Declare.
2445         (enum pta_type): Declare.
2446         * flow.c (lang_missing_noreturn_ok_p): Remove.
2447         (check_function_return_warnings): Remove.
2448         (update_life_info): Update comments.
2449         (free_basic_block_vars): Don't call VARRAY_FREE for
2450         basic_block_info.
2451         (regno_uninitialized): Remove.
2452         * fold-const.c (int_const_binop): Make extern.
2453         (non_lvalue): Rely on build to set TREE_CONSTANT.
2454         (operand_equal_p): Replace only_const argument with
2455         flags.  Allow pure functions if OEP_PURE_SAME.
2456         (fold): Use OEP_ONLY_CONST.
2457         (invert_truthvalue) <NOP_EXPR> Break if argument is of
2458         boolean type.
2459         (fold_relational_hi_lo,
2460         nondestructive_fold_binary_to_constant,
2461         nondestructive_fold_unary_to_constant,
2462         fold_read_from_constant_string): New.
2463         * function.c (struct function): Remove calls_constant_p.
2464         (current_function_calls_constant_p): Remove.
2465         (inline_function_decl): Remove.
2466         (put_var_into_stack): Don't use it.
2467         (fix_lexical_addr): Likewise.
2468         (inline_function_decl): Remove extern declaration.
2469         (TRAMPOLINE_ALIGNMENT): Move to defaults.h.
2470         (trampolines_created): Move to varasm.c.
2471         (free_after_compilation): Update for removed fields.
2472         (allocate_struct_function): Likewise.
2473         (delete_handlers, lookup_static_chain): Remove.
2474         (fix_lexical_addr): Don't consider non-local variable refs.
2475         (trampoline_address): Remove.
2476         (round_trampoline_addr): Move to builtins.c.
2477         (adjust_trampoline_addr): Remove.
2478         (expand_function_start): Update for changes to static chain
2479         and nonlocal goto handling.
2480         (initial_trampoline): Move to varasm.c.
2481         (expand_function_end): Don't build trampolines or kill
2482         unreferenced nonlocal goto labels.
2483         (free_after_compilation): Don't set it.
2484         (expand_function_end): Likewise.
2485         (setjmp_vars_warning): Rename from
2486         uninitialized_vars_warning, remove uninitialized vars warning.
2487         (uninitialized_vars_warning): Remove old comment
2488         and check for DECL_INITIAL, replace with a check of TREE_NO_WARNING
2489         and do not call the langhook.
2490         (expand_function_start, expand_function_end): Don't do
2491         function instrumentation here.
2492         (clear_block_marks): Rename from reorder_blocks_0, export.
2493         (blocks_nreverse): Export.
2494         (uninitialized_vars_warning): Use DECL_RTL_SET_P to test for presence
2495         of rtl.
2496         (reset_block_changes, record_block_change, finalize_block_changes,
2497         check_block_change, free_block_changes): New functions.
2498         (assign_parms): Setting of current_function_stdarg
2499         moved ...
2500         (allocate_struct_function): ... here.
2501         * function.h (struct function): Remove x_nonlocal_labels,
2502         x_nonlocal_goto_handler_slots, x_nonlocal_goto_stack_level,
2503         x_context_display, x_trampoline_list, needs_context.
2504         Add static_chain_decl, nonlocal_goto_save_area.
2505         (struct function): Remove x_clobber_return_insn.
2506         Add tail_call_emit field, last_label_uid,
2507         unexpanded_var_list, dont_emit_block_notes,
2508         ib_boundaries_block, function_end_locus and saved_tree/saved_args.
2509         (clear_block_marks): Declare.
2510         * gcc.c (MFWRAP_SPEC, MFLIB_SPEC): Add -fmudflapth support.
2511         (mfwrap_spec, mflib_spec): Declare.
2512         (cpp_unique_options, cc1_options): Ditto.
2513         (default_compilers): Add .F and .f90.
2514         (static_specs): Add mfwrap and mflib.
2515         * gcse.c (want_to_gcse_p, gcse_constant_p): Don't handle
2516         CONSTANT_RTX_P.
2517         (reg_used_on_edge, reg_killed_on_edge, bypass_block):
2518         Update to match insns field in struct edge_def.
2519         * gdbinit.in (pgs, pge): Define.
2520         * genattrtab.c (ATTR_PERMANENT_P): Use the return_val flag
2521         instead of the integrated flag.
2522         * gengtype-lex.l (IWOrD): Add HOST_WIDEST_INT
2523         * gengtype-yacc.y (bitfieldlen): Add empty action.
2524         (struct_fields): Accept unnamed bitfields.
2525         (bitfieldlen): Split from ...
2526         (bitfieldopt): ... here.
2527         * gengtype.c (ifiles): Add tree-alias-type.h and
2528         tree-flow.h.
2529         * genrecog.c (validate_pattern): Do not handle
2530         CONSTANT_P_RTX.
2531         * gimple-low.c: New file.
2532         * gimplify.c: New file.
2533         * haifa-sched.c (priority): Do not handle CONSTANT_P_RTX.
2534         (restore_line_notes): Do not set RTX_INTEGRATED_P.
2535         * ifcvt.c (dead_or_predicable): Initialize local variable
2536         'earliest'.
2537         * input.h (expr_wfl_stack): Remove.
2538         * integrate.c (INTEGRATE_THRESHOLD): Remove.
2539         (setup_initial_hard_reg_value_integration): Likewise.
2540         (initialize_for_inline): Likewise.
2541         (note_modified_parmregs): Likewise.
2542         (integrate_parm_decls): Likewise.
2543         (process_reg_param): Likewise.
2544         (save_parm_insns): Likewise.
2545         (copy_insn_list): Likewise.
2546         (copy_insn_notes): Likewise.
2547         (compare_blocks): Likewise.
2548         (find_block): Likewise.
2549         (inlining): Likewise.
2550         (function_cannot_inline_p): Likewise.
2551         (parmdecl_map): Likewise.
2552         (in_nonparam_insns): Likewise.
2553         (save_for_inline): Likewise.
2554         (FIXED_BASE_PLUS): Likewise.
2555         (expand_inline_function): Likewise.
2556         (copy_rtx_and_substitute): Don't look at map->integrating,
2557         map->inline_target, and inlining, since we are never copying
2558         for integrating.
2559         Don't abort on RTX_INTEGRATED_P.
2560         (old_fun): Remove.
2561         (output_inline_function): Remove.
2562         * integrate.h (struct inline_map): Remove fields integrating,
2563         block_map, leaf_reg_map, inline_target, and local_return_label.
2564         * jump.c (next_nonnote_insn_in_loop, duplicate_loop_exit_test,
2565         copy_loop_headers, never_reached_warning): Removed.
2566         (any_uncondjump_p): Reject nonlocal goto.
2567         * langhooks-def.h (lhd_types_compatible_p,
2568         lhd_expand_decl, lhd_gimplify_expr): Declare.
2569         (LANG_HOOKS_EXPAND_DECL, LANG_HOOKS_TYPES_COMPATIBLE_P,
2570         LANG_HOOKS_FUNCTION_MISSING_NORETURN_OK_P,
2571         LANG_HOOKS_FUNCTION_LEAVE_NESTED,
2572         LANG_HOOKS_FUNCTION_MISSING_NORETURN_OK_P,
2573         LANG_HOOKS_GIMPLIFY_EXPR,
2574         LANG_HOOKS_GIMPLE_BEFORE_INLINING,
2575         LANG_HOOKS_EXPAND_DECL, LANG_HOOKS_TYPES_COMPATIBLE_P,
2576         LANG_HOOKS_GIMPLIFY_EXPR,
2577         LANG_HOOKS_GIMPLE_BEFORE_INLINING): Define.
2578         (LANG_HOOKS_DECL_UNINIT, LANG_HOOKS_RTL_EXPAND_START,
2579         LANG_HOOKS_RTL_EXPAND_STMT, LANG_HOOKS_RTL_EXPAND_END,
2580         LANG_HOOKS_FUNCTION_LEAVE_NESTED,
2581         LANG_HOOKS_RTL_EXPAND_INITIALIZER,
2582         LANG_HOOKS_DECL_UNINIT,
2583         LANG_HOOKS_RTL_EXPAND_INITIALIZER): Remove.
2584         * langhooks.c: Include tree-simple.h.
2585         (lhd_expand_decl): New.
2586         (lhd_types_compatible_p): New.
2587         (lhd_decl_uninit): Remove.
2588         (lhd_gimplify_expr): New.
2589         * langhooks.h (struct lang_hooks_for_rtl_expansion):
2590         Remove.
2591         (struct lang_hooks_for_functions): Add field
2592         missing_noreturn_ok_p.
2593         (struct lang_hooks): Add field expand_decl,
2594         types_compatible_p, gimplify_expr and
2595         gimple_before_inlining.
2596         Remove fields decl_uninit and rtl_expand
2597         * opts.c (decode_options): Set flag_tree_ccp,
2598         flag_tree_dce, flag_tree_dom, flag_tree_dse,
2599         flag_tree_pre, flag_tree_ter,
2600         flag_tree_live_range_split, flag_tree_sra,
2601         flag_tree_copyrename and flag_tree_ch at -O1 and higher.
2602         (common_handle_option): Handle OPT_fdump_, OPT_fmudflap,
2603         OPT_fmudflapth, OPT_fmudflapir,
2604         OPT_ftree_based_profiling, OPT_ftree_ccp, OPT_ftree_dce,
2605         OPT_ftree_combine_temps, OPT_ftree_ter, OPT_ftree_lrs,
2606         OPT_ftree_dominator_opts, OPT_ftree_copyrename,
2607         OPT_ftree_ch, OPT_ftree_dse, OPT_ftree_sra,
2608         OPT_ftree_points_to_ and OPT_ftree_pre.
2609         * output.h (regno_uninitialized, find_basic_blocks,
2610         cleanup_cfg, delete_unreachable_blocks,
2611         check_function_return_warnings): Remove.
2612         * params.def (PARAM_MAX_INLINE_INSNS_RECURSIVE,
2613         PARAM_MAX_INLINE_INSNS_RECURSIVE_AUTO,
2614         PARAM_MAX_INLINE_RECURSIVE_DEPTH,
2615         PARAM_MAX_INLINE_RECURSIVE_DEPTH_AUTO,
2616         PARAM_GLOBAL_VAR_THRESHOLD, PARAM_MAX_ALIASED_VOPS):
2617         * params.h (GLOBAL_VAR_THRESHOLD, MAX_ALIASED_VOPS):
2618         Define.
2619         * passes.c (rest_of_decl_compilation):
2620         (rest_of_handle_sibling_calls): Remove.
2621         (rest_of_handle_inlining): Remove.
2622         (rest_of_handle_gcse): Do not run
2623         purge_builtin_constant_p.
2624         (rest_of_compilation): Update.
2625         Do not call copy_loop_headers.
2626         Do rtl-based profiling only when
2627         !flag_tree_based_profiling.  Register rtl-based profiling
2628         hooks.
2629         * predict.c:  Include tree-flow.h, ggc.h, tree-dump.h
2630         (predicted_by_p): Rename to ...
2631         (rtl_predicted_by_p): .. this one; make global
2632         (tree_predicted_by_p): New.
2633         (dump_prediction): Add FILE argument.
2634         (predict_edge): Rename to ...
2635         (rtl_predict_edge): .. this one.
2636         (tree_predict_edge): New.
2637         (combine_predictions_for_insn): Update calls of predict_edge.
2638         (predict_loops): Break out from ...
2639         (estimate_probability): ... here; update comments; move updating
2640         of unknown probabilities from ...
2641         (estimate_bb_frequencies): ... here.
2642         (combine_predictions_for_bb): New.
2643         (tree_predict_by_opcode): New.
2644         (tree_estimate_probability): New.
2645         * predict.def (PRED_TREE_POINTER, PRED_TREE_OPCODE_POSITIVE,
2646         PRED_TREE_OPCODE_NONEQUAL, PRED_TREE_FPOPCODE): New predictors.
2647         * predict.h: Add include guard.
2648         (predict_edge, predict_edge_def): Move prototypes to basic_block.h
2649         * pretty-print.c (pp_write_text_to_stream): Make extern.
2650         * pretty-print.h (pp_write_text_to_stream): Declare.
2651         * print-rtl.c (print_rtx): Don't print the integrated flag.
2652         Print the return_val flag.
2653         * print-tree.c: Use TREE_FILENAME and TREE_LINENO instead
2654         of DECL_SOURCE_FILE and DECL_SOURCE_LINE respectively.
2655         Remove support for EXPR_WITH_FILE_LOCATION nodes.
2656         (print_node): Print TREE_INVARIANT and TREE_VISITED.
2657         * profile.c: Include cfghooks.h, tree-flow.h.
2658         (profile_hooks): New.
2659         (profile_dump_file): New.
2660         (instrument_edges): Use hooks instead of RTL-specific code.
2661         (instrument_values): Ditto.
2662         (get_exec_counts): Ditto.
2663         (compute_branch_probabilities): Ditto.
2664         (compute_value_histograms): Ditto.
2665         (branch_prob): Ditto.
2666         (find_spanning_tree): Ditto.
2667         (end_branch_prob): Ditto.
2668         (gen_edge_profiler): Move to rtl-profile.c (rtl_gen_edge_profiler).
2669         (gen_interval_profiler): Ditto (rtl_gen_interval_profiler).
2670         (gen_pow2_profiler): Ditto (rtl_gen_pow2_profiler).
2671         (gen_one_value_profiler): Ditto (rtl_gen_one_value_profiler).
2672         (tree_register_profile_hooks): New.
2673         (rtl_register_profile_hooks): New.
2674         * ra-rewrite.c (rewrite_program): Clear variable info.
2675         * recog.c (immediate_operand): Do not handle CONSTANT_P_RTX.
2676         * regs.h: Add include guards.
2677         * reload.c (decompose): Clear val using memset.
2678         * rtl.def (CONSTANT_P_RTX): Remove.
2679         * rtl.h (CONSTANT_P): Do not handle CONSTANT_P_RTX.
2680         (copy_loop_headers): Remove.
2681         (struct rtx_def): Replace the integrated flag with the
2682         return_val flag.
2683         (maybe_set_first_label_num): Declare.
2684         (init_branch_prob): Move declaration to value-prof.h.
2685         (end_branch_prob): Ditto.
2686         (branch_prob): Ditto.
2687         (never_reached_warning): Don't declare it.
2688         * rtlanal.c (get_related_value): Initialize get_jump_table_offset
2689         (hoist_insn_to_edge): Update to match field insns in
2690         struct edge_def.
2691         * sbitmap.c (sbitmap_realloc): New.
2692         * sbitmap.h (sbitmap_realloc): Declare.
2693         * sibcall.c: Remove file.
2694         * simplify-rtx.c (simplify_rtx): Do not handle
2695         CONSTANT_P_RTX.
2696         * stmt.c (parse_output_constraint): Don't warn for read-write
2697         memory operand.
2698         (tail_recursion_args): Use types_compatible_p langhook.
2699         (force_label_rtx): Don't look at inline_function_decl.
2700         (label_rtx): Set LABEL_PRESERVE_P appropriately.
2701         (expand_label): Handle DECL_NONLOCAL and FORCED_LABEL.
2702         (declare_nonlocal_label): Remove.
2703         (expand_goto): Don't handle nonlocal gotos.
2704         (expand_nl_handler_label): Remove.
2705         (expand_nl_goto_receivers): Remove.
2706         (expand_end_bindings): Don't expand_nl_goto_receivers.  Use
2707         update_nonlocal_goto_save_area.
2708         (expand_expr_stmt_value): Check TREE_NO_WARNING.
2709         (warn_if_unused_value): Likewise.
2710         (expand_start_loop, expand_loop_continue_here,
2711         expand_end_loop): Don't create loop notes.
2712         (all_cases_count, BITARRAY_TEST, BITARRAY_SET,
2713         mark_seen_cases, check_for_full_enumeration_handling): Remove.
2714         (expand_end_case_type): Don't do warn_switch handling.
2715         (pushcase, pushcase_range) Update add_case_node calls.
2716         (add_case_node): Add dont_expand_label argument.
2717         (same_case_target_p): Don't search rtl.
2718         (expand_start_bindings_and_block, expand_end_bindings):
2719         Don't emit block notes when dont_emit_block_notes.
2720         (using_eh_for_cleanups_p): Export.
2721         (expand_return): Allow any typed rhs.
2722         (expand_stack_alloc): New.
2723         (expand_stack_save, expand_stack_restore): New.
2724         (containing_blocks_have_cleanups_or_stack_level): New
2725         function.
2726         (asm_op_is_mem_input): New fn.
2727         (expand_asm_expr): New fn.
2728         (warn_if_unused_value): Check operand 0 of SAVE_EXPR
2729         nodes.
2730         * stor-layout.c (layout_type): Just return if type is
2731         error_mark_node.
2732         (update_alignment_for_field): Export.
2733         (variable_size): We don't care about global_bindings_p if
2734         the frontend doesn't want a list of the expressions.
2735         * system.h: Poison INTEGRATE_THRESHOLD.
2736         * timevar.def (TV_TREE_GIMPLIFY, TV_TREE_EH, TV_TREE_CFG,
2737         TV_TREE_CLEANUP_CFG, TV_TREE_PTA, TV_TREE_MAY_ALIAS,
2738         TV_TREE_INSERT_PHI_NODES, TV_TREE_SSA_REWRITE_BLOCKS,
2739         TV_TREE_SSA_OTHER, TV_TREE_OPS,
2740         TV_TREE_SSA_DOMINATOR_OPTS, TV_TREE_SRA, TV_TREE_CCP,
2741         TV_TREE_SPLIT_EDGES, TV_TREE_PRE, TV_TREE_PHIOPT,
2742         TV_TREE_FORWPROP, TV_TREE_DCE, TV_TREE_CD_DCE,
2743         TV_TREE_DSE, TV_TREE_LOOP, TV_TREE_CH,
2744         TV_TREE_SSA_TO_NORMAL, TV_TREE_SSA_TO_NORMAL,
2745         TV_TREE_NRV, TV_TREE_COPY_RENAME, TV_TREE_SSA_VERIFY,
2746         TV_TREE_STMT_VERIFY, TV_DOM_FRONTIERS,
2747         TV_CONTROL_DEPENDENCES): Define.
2748         * toplev.c: Include tree-alias-common.h
2749         (current_file_decl, flag_mudflap, flag_mudflap_threads,
2750         flag_mudflap_ignore_reads, flag_tree_based_profiling,
2751         flag_tree_gvn, flag_tree_points_to, flag_tree_ccp,
2752         flag_tree_dce, flag_tree_ch, flag_tree_sra,
2753         flag_tree_combine_temps, flag_tree_ter,
2754         flag_tree_live_range_split, flag_tree_dom,
2755         flag_tree_copyrename, flag_tree_dse): Declare.
2756         (f_options): Add tree-based-profiling, tree-gvn,
2757         tree-pre, tree-ccp, tree-dce,
2758         tree-dominator-opts, tree-copyrename, tree-dse,
2759         tree-combine-temps, tree-ter, tree-lrs and tree-ch.
2760         (wrapup_global_declarations): Don't output nested inlined functions.
2761         (general_init): Call init_tree_optimization_passes.
2762         (process_options): Sorry for -ftree-based-profiling plus
2763         -ftest-coverage or -fprofile-values.
2764         * toplev.h (init_tree_optimization_passes,
2765         flag_tree_based_profiling): Declare.
2766         * tracer.c (tail_duplicate): Use cfghooks for bb duplication.
2767         * tree-alias-ander.c: New file.
2768         * tree-alias-ander.h: New file.
2769         * tree-alias-common.c: New file.
2770         * tree-alias-common.h: New file.
2771         * tree-alias-type.c: New file.
2772         * tree-alias-type.h: New file.
2773         * tree-browser.c: New file.
2774         * tree-browser.def: New file.
2775         * tree-cfg.c: New file.
2776         * tree-complex.c: New file.
2777         * tree-dfa.c: New file.
2778         * tree-dump.c (dump_enable_all): New.
2779         (dequeue_and_dump): Do not handle EXPR_WITH_FILE_LOCATION.
2780         (dump_node): Remove const from field suffix and swtch.
2781         (dump_files): Add null entry, .generic, .nested, .vcg,
2782         .xml and a match-all entry.
2783         (extra_dump_files, extra_dump_files_in_use,
2784         extra_dump_files_alloced): Declare
2785         (dump_option_value_info): Add raw, details, stats,
2786         blocks, vops, lineno, uid and all.
2787         (dump_register): New.
2788         (get_dump_file_info): New.
2789         (dump_begin): Call it.
2790         Do nothing for TDI_none.
2791         (dump_begin): Include phase number in dump filename.
2792         (dump_enable_all): New.
2793         (dump_switch_p_1): Split out from dump_switch_p.
2794         (dump_switch_p): Handle extra_dump_files.
2795         Start our scan at TDI_none + 1.
2796         If -fdump-tree-all was given, call dump_enable_all.
2797         * tree-dump.h: Include splay-tree.h.
2798         (dump_function, dump_function_to_file, dump_register):
2799         Declare.
2800         * tree-eh.c: New file.
2801         * tree-flow-inline.h: New file.
2802         * tree-flow.h: New file.
2803         * tree-inline.c: Re-write to handle inlining on GIMPLE.
2804         * tree-inline.h (walk_tree,
2805         walk_tree_without_duplicates): Move to tree.h.
2806         (estimate_num_insns): Declare.
2807         * tree-into-ssa.c: New file.
2808         * tree-iterator.c: New file.
2809         * tree-iterator.h: New file.
2810         * tree-mudflap.c: New file.
2811         * tree-mudflap.h: New file.
2812         * tree-nested.c: New file.
2813         * tree-nomudflap.c: New file.
2814         * tree-nrv.c: New file.
2815         * tree-optimize.c (dump_flags, vars_to_rename,
2816         in_gimple_form, all_passes, pass_gimple,
2817         pass_rebuild_bind, pass_all_optimizations, pass_del_cfg): Declare.
2818         (execute_gimple, execute_rebuild_bind,
2819         gate_all_optimizations, execute_del_cfg,
2820         register_one_dump_file, register_dump_files, dup_pass_1,
2821         init_tree_optimization_passes, execute_todo,
2822         execute_one_pass, execute_pass_list): New.
2823         (clear_decl_rtl): Remove.
2824         (tree_rest_of_compilation): Update to use tree
2825         optimizers.
2826         * tree-outof-ssa.c: New file.
2827         * tree-pass.h: New file.
2828         * tree-phinodes.c: New file.
2829         * tree-pretty-print.c: New file.
2830         * tree-profile.c: New file.
2831         * tree-simple.c: New file.
2832         * tree-simple.h: New file.
2833         * tree-sra.c: New file.
2834         * tree-ssa-alias.c: New file.
2835         * tree-ssa-ccp.c: New file.
2836         * tree-ssa-copy.c: New file.
2837         * tree-ssa-copyrename.c: New file.
2838         * tree-ssa-dce.c: New file.
2839         * tree-ssa-dom.c: New file.
2840         * tree-ssa-dse.c: New file.
2841         * tree-ssa-forwprop.c: New file.
2842         * tree-ssa-live.c: New file.
2843         * tree-ssa-live.h: New file.
2844         * tree-ssa-loop.c: New file.
2845         * tree-ssa-operands.c: New file.
2846         * tree-ssa-operands.h: New file.
2847         * tree-ssa-phiopt.c: New file.
2848         * tree-ssa-pre.c: New file.
2849         * tree-ssa.c: New file.
2850         * tree-ssanames.c: New file.
2851         * tree-tailcall.c: New file.
2852         * tree.c: Include tree-iterator.h, basic-block.h and
2853         tree-flow.h.
2854         (tree_node_kind): Add phi_nodes and ssa names.
2855         (tree_size): Handle PHI_NODE, EPHI_NODE, SSA_NAME,
2856         EUSE_NODE, EKILL_NODE, EEXIT_NODE and STATEMENT_LIST.
2857         (make_node_stat): Handle PHI_NODE and SSA_NAME.
2858         <'c'> Set TREE_INVARIANT.
2859         (copy_node_stat): Abort if trying to copy a
2860         STATEMENT_LIST.
2861         Clear TREE_VISITED.
2862         Clear annotation field.
2863         (build_constructor): Copy TREE_INVARIANT from vals.
2864         Don't clear TREE_CONSTANT.
2865         (expr_first, expr_last, expr_length): Remove.
2866         (staticp): Pass unknown component references to the language.
2867         (save_expr): Check TREE_INVARIANT instead of TREE_CONSTANT.
2868         (skip_simple_arithmetic): Likewise.
2869         (stabilize_reference_1): Likewise.
2870         (tree_node_structure): Handle PHI_NODE, EPHI_NODE,
2871         EUSE_NODE, EKILL_NODE, EEXIT_NODE, SSA_NAME and
2872         STATEMENT_LIST.
2873         (lhd_unsave_expr_now): Remove.
2874         (unsafe_for_reeval): Handle LABEL_EXPR and BIND_EXPR.
2875         (recompute_tree_invarant_for_addr_expr): New.
2876         (build1_stat): Clear EXPR_LOCUS and TREE_BLOCK.
2877         Call recompute_tree_invarant_for_addr_expr.
2878         Set TREE_INVARIANT accordingly.
2879         (build2_stat): Don't handle CALL_EXPR.
2880         (build3_stat): Don't call build2_stat for CALL_EXPRs.
2881         (build_expr_wfl): Remove.
2882         (annotate_with_file_line, annotate_with_locus): New.
2883         (simple_cst_equal): Call simple_cst_list_equal to compare
2884         CONSTRUCTOR_ELTS pointers.
2885         (iterative_hash_expr): Don't hash types associated
2886         with conversions.  Instead hash on the signedness of the
2887         toplevel object and the operand of the conversion.
2888         (dump_tree_statistics): Call ssanames_print_statistics
2889         and phinodes_print_statistics.
2890         (ephi_node_elt_check_failed, phi_node_elt_check_failed,
2891         add_var_to_bind_expr, build_empty_stmt, is_essa_node,
2892         needs_to_live_in_memory): New.
2893         (initializer_zerop): Handle VECTOR_CST.  Don't check
2894         AGGREGATE_TYPE_P for CONSTRUCTOR.
2895         * tree.def (FILTER_EXPR, CASE_LABEL_EXPR, RESX_EXPR,
2896         SSA_NAME, EUSE_NODE, EKILL_NODE, EPHI_NODE, EEXIT_NODE,
2897         PHI_NODE, CATCH_EXPR, EH_FILTER_EXPR, STATEMENT_LIST): Define.
2898         (GOTO_SUBROUTINE_EXPR): Change type to 's'.
2899         (CALL_EXPR): Add another operand.
2900         (EXPR_WITH_FILE_LOCATION): Remove.
2901         (SWITCH_EXPR): Add another operand.
2902         * tree.h: Update various comments.
2903         (union tree_ann_d): Forward declare.
2904         (struct tree_common): Add fields nowarning_flag,
2905         invariant_flag and visited.
2906         (EREF_NODE_CHECK, EPHI_NODE_ELT_CHECK,
2907         PHI_NODE_ELT_CHECK, EREF_NODE_CHECK, PHI_NODE_ELT_CHECK,
2908         EPHI_NODE_ELT_CHECK, TREE_BLOCK,
2909         STRIP_USELESS_TYPE_CONVERSION, CALL_EXPR_TAILCALL,
2910         TREE_NO_WARNING, FORCED_LABEL, TREE_INVARIANT,
2911         IS_EMPTY_STMT, EXPR_LOCUS, SET_EXPR_LOCUS, EXPR_FILENAME,
2912         EXPR_LINENO, EXPR_LOCATION, EXPR_HAS_LOCATION,
2913         EXIT_EXPR_COND, SWITCH_COND, SWITCH_BODY, SWITCH_LABELS,
2914         CASE_LOW, CASE_HIGH, CASE_LABEL, BIND_EXPR_VARS,
2915         BIND_EXPR_BODY, BIND_EXPR_BLOCK, GOTO_DESTINATION,
2916         ASM_STRING, ASM_OUTPUTS, ASM_INPUTS, ASM_CLOBBERS,
2917         ASM_INPUT_P, ASM_VOLATILE_P, COND_EXPR_COND,
2918         COND_EXPR_THEN, COND_EXPR_ELSE, LABEL_EXPR_LABEL,
2919         CATCH_TYPES, CATCH_BODY, EH_FILTER_TYPES,
2920         EH_FILTER_FAILURE, EH_FILTER_MUST_NOT_THROW,
2921         SSA_NAME_VAR, SSA_NAME_DEF_STMT, SSA_NAME_VERSION,
2922         SSA_NAME_OCCURS_IN_ABNORMAL_PHI, SSA_NAME_IN_FREE_LIST,
2923         PHI_RESULT, PHI_REWRITTEN, PHI_NUM_ARGS,
2924         PHI_ARG_CAPACITY, PHI_ARG_ELT, PHI_ARG_EDGE, PHI_ARG_DEF,
2925         EREF_PROCESSED, EREF_ID, EREF_NAME, EREF_STMT,
2926         EREF_RELOAD, EREF_SAVE, EREF_CLASS, EREF_INJURED,
2927         EREF_TEMP, EUSE_DEF, EUSE_PHIOP, EUSE_INSERTED,
2928         EUSE_LVAL, EPHI_NUM_ARGS, EPHI_ARG_CAPACITY,
2929         EPHI_ARG_ELT, EPHI_ARG_EDGE, EPHI_ARG_PRED, EPHI_ARG_DEF,
2930         EPHI_ARG_INJURED, EPHI_ARG_DELAYED_RENAME,
2931         EPHI_ARG_HAS_REAL_USE, EPHI_ARG_STOPS,
2932         EPHI_ARG_PROCESSED2, EPHI_IDENTITY, EPHI_IDENT_INJURED,
2933         EPHI_REP_OCCUR_KNOWN, EPHI_IDENTICAL_TO, EPHI_DOWNSAFE,
2934         EPHI_CANT_BE_AVAIL, EPHI_DEAD, EPHI_USES, EPHI_STOPS,
2935         TREE_VISITED, SSA_VAR_P, DECL_NUM_STMTS,
2936         DECL_HARD_REGISTER, DECL_PTA_ALIASVAR, LABEL_DECL_UID,
2937         DECL_NEEDS_TO_LIVE_IN_MEMORY_INTERNAL,
2938         STATEMENT_LIST_HEAD, STATEMENT_LIST_TAIL, TDF_RAW,
2939         TDF_DETAILS, TDF_STATS, TDF_BLOCKS, TDF_VOPS, TDF_LINENO,
2940         TDF_UID,): Define.
2941         (TREE_NO_UNUSED_WARNING, EXPR_WFL_EMIT_LINE_NOTE,
2942         EXPR_WFL_NODE, EXPR_WFL_FILENAME_NODE, EXPR_WFL_FILENAME,
2943         EXPR_WFL_LINECOL, EXPR_WFL_LINENO, EXPR_WFL_COLNO,
2944         EXPR_WFL_SET_LINECOL): Remove.
2945         (phi_node_elt_check_failed, ephi_node_elt_check_failed,
2946         make_phi_node, init_phinodes, fini_phinodes,
2947         release_phi_node, phinodes_print_statistics,
2948         init_ssanames, fini_ssanames, make_ssa_name,
2949         release_ssa_name, ssanames_print_statistics,
2950         annotate_with_file_line, build_empty_stmt,
2951         annotate_with_locus, expr_only, categorize_ctor_elements,
2952         count_type_elements, add_var_to_bind_expr, is_essa_node,
2953         expand_stack_alloc, expand_stack_save,
2954         expand_stack_restore, add_case_node, operand_equal_p,
2955         nondestructive_fold_unary_to_constant,
2956         nondestructive_fold_binary_to_constant,
2957         fold_read_from_constant_string, int_const_binop,
2958         strip_float_extensions, simplify_builtin, c_strlen,
2959         recompute_tree_invarant_for_addr_expr,
2960         needs_to_live_in_memory, make_vector,
2961         setjmp_vars_warning, update_alignment_for_field,
2962         expand_asm_expr, asm_op_is_mem_input,
2963         containing_blocks_have_cleanups_or_stack_level,
2964         create_artificial_label, gimplify_function_tree,
2965         get_name, unshare_expr, walk_tree,
2966         walk_tree_without_duplicates, in_gimple_form): Declare.
2967         (struct tree_exp): Add fields locus and block.
2968         (struct tree_ssa_name, struct edge_def, struct
2969         tree_phi_node, struct tree_eref_common, struct
2970         tree_euse_node, struct ephi_arg_d, struct tree_ephi_node,
2971         union alias_var_def, struct tree_statement_list_node,
2972         struct tree_statement_list, enum operand_equal_flag): Declare.
2973         (enum tree_node_structure_enum): Add TS_SSA_NAME,
2974         TS_PHI_NODE, TS_EPHI_NODE, TS_EUSE_NODE, TS_EREF_NODE,
2975         TS_STATEMENT_LIST.
2976         (union tree_node): Add fields ssa_name, phi, eref, ephi,
2977         euse and stmt_list.
2978         (function_cannot_inline_p, uninitialized_vars_warning,
2979         save_for_inline, output_inline_function, all_cases_count,
2980         check_for_full_enumeration_handling,
2981         declare_nonlocal_label): Remove.
2982         (enum tree_dump_index): Add TDI_none, TDI_tu,
2983         TDI_generic, TDI_nested, TDI_vcg, TDI_xml.
2984         * unroll.c (unroll_loop): Don't clear map->inline_target.
2985         * unwind-sjlj.c (uw_install_context): Make a proper static inline
2986         function.
2987         * value-prof.c (value_prof_hooks): New.
2988         (find_values_to_profile): Rename to rtl_find_values_to_profile.
2989         Move rtl-specific bits in from branch_prob.
2990         (value_profile_transformations): Rename to
2991         rtl_value_profile_transformations.
2992         (struct value_prof_hooks): New.
2993         (rtl_value_prof_hooks): New.
2994         (rtl_register_value_prof_hooks): New.
2995         (tree_find_values_to_profile): New stub.
2996         (tree_value_profile_transformations): New stub.
2997         (tree_value_prof_hooks): New stub.
2998         (tree_register_value_prof_hooks): New stub.
2999         (find_values_to_profile): New.
3000         (value_profile_transformations): New.
3001         * value-prof.h: Add multiple inclusion guard.
3002         (struct histogram_value): Change rtx fields to void *.
3003         (rtl_register_value_prof_hooks): New declaration.
3004         (tree_register_value_prof_hooks): New declaration.
3005         (find_values_to_profile): New declaration.
3006         (free_profiled_values): New declaration.
3007         (value_profile_transformations): New declaration.
3008         (struct profile_hooks): New declaration.
3009         (init_branch_prob): Declaration moved from rtl.h.
3010         (branch_prob): Declaration moved from rtl.h.
3011         (end_branch_prob): Declaration mooved from rtl.h.
3012         (tree_register_profile_hooks): New declaration.
3013         (rtl_register_profile_hooks): New declaration.
3014         (tree_profile_hooks): New declaration.
3015         (rtl_profile_hooks): New declaration.
3016         * varasm.c: Include tree-mudflap.h.
3017         (TRAMPOLINE_ALIGNMENT): Remove.
3018         (make_decl_rtl): Call mudflap_enqueue_decl.
3019         (assemble_static_space):
3020         (assemble_trampoline_template): Set and return
3021         TRAMPOLINE_ALIGNMENT.
3022         * varray.c (element): Add GENERIC_PTR_NOGC entry.
3023         Add entry for 'tree *'.
3024         Add entry for struct edge_def *.
3025         (varray_copy): New.
3026         * varray.h (enum varray_data_enum): Add
3027         VARRAY_DATA_GENERIC_NOGC, VARRAY_DATA_EDGE and
3028         VARRAY_DATA_TREE_PTR.
3029         (union varray_data_tag): Corresponding changes.
3030         (VARRAY_GENERIC_PTR_NOGC_INIT, VARRAY_EDGE_INIT,
3031         VARRAY_TREE_PTR_INIT, VARRAY_GENERIC_PTR_NOGC,
3032         VARRAY_EDGE, VARRAY_TREE_PTR,
3033         VARRAY_PUSH_GENERIC_PTR_NOGC, VARRAY_PUSH_EDGE,
3034         VARRAY_PUSH_TREE_PTR, VARRAY_TOP_GENERIC_PTR_NOGC,
3035         VARRAY_TOP_EDGE, VARRAY_TOP_TREE_PTR): Define.
3036
3037         * config/*/*: Various updates for changed macros, tree
3038         codes, etc.  Check ChangeLog.tree-ssa.
3039
3040         * doc/cfg.texi: New file.
3041         * doc/tree-ssa.texi: New file.
3042         * doc/c-tree.texi: Document new codes.
3043         * doc/gccint.texi: Include new files.
3044         * doc/install.texi: Document new features.
3045         * doc/invoke.texi: Document new switches.
3046         * doc/passes.texi: Document new passes.
3047         * doc/rtl.texi: Update changed RTL codes.
3048         * doc/sourcebuild.texi: Update build instructions.
3049         * doc/standards.texi: Document Fortran changes.
3050         * doc/tm.texi: Update.
3051
3052 2004-05-12  Paolo Bonzini  <bonzini@gnu.org>
3053
3054         Replace several arrays with a struct of arrays.
3055         * combine.c (struct reg_stat): New.
3056         (init_reg_last_arrays): Renamed to...
3057         (init_reg_last): ...this.  Callers adjusted.
3058         (reg_stat): New.
3059         (combine_instructions): Allocate it and use it.
3060         (reg_last_death, reg_last_set, reg_last_set_value,
3061         reg_last_set_label, reg_last_set_table_tick,
3062         reg_last_set_invalid, reg_nonzero_bits, reg_sign_bit_copies,
3063         reg_last_set_mode, reg_last_set_nonzero_bits,
3064         reg_last_set_sign_bit_copies): Replace throughout
3065         with items of reg_stat.
3066
3067 2004-05-11  Kaz Kojima  <kkojima@gcc.gnu.org>
3068
3069         PR optimization/15100
3070         * combine.c (distribute_notes): Don't create a dangling
3071         REG_LIBCALL/REG_RETVAL note.
3072
3073 2004-05-11  Aldy Hernandez  <aldyh@redhat.com>
3074
3075         * config/rs6000/spe.md (spe_evneg): Rename to negv2si2.
3076
3077         * config/rs6000/rs6000.c (bdesc_1arg): Change spe_evneg to
3078         negv2si2.
3079
3080 2004-05-11  Aldy Hernandez  <aldyh@redhat.com>
3081
3082         * doc/md.texi (Standard Names): Fix typo in vec_init description.
3083
3084 2004-05-11  Geoffrey Keating  <geoffk@apple.com>
3085
3086         * doc/gty.texi (GTY Options): Clarify example.
3087
3088 2004-05-11  Fariborz Jahanian  <fjahanian@apple.com>
3089
3090         * config/rs6000/rs6000.c (rs6000_handle_altivec_attribute):
3091         Add const qualifier to altivec vector type if one is needed.
3092
3093 2004-05-11  Paul Brook  <paul@codesourcery.com>
3094
3095         * flags.h (flag_short_enums): Update comment.
3096         * opts.c (decode_options): Set flag_short_enums to 2.
3097         * toplev.c (flag_short_enums): Update comment.
3098         (process_options): Call default_short_enums target hook.
3099
3100 2004-05-11  Andrew Pinski  <pinskia@gcc.gnu.org>
3101
3102         PR target/14063
3103         * config/rs6000/altivec.md (altivec_dssall):
3104         Change to unspec_volatile.
3105         (altivec_dss): Likewise.
3106
3107 2004-05-10  Aldy Hernandez  <aldyh@redhat.com>
3108
3109         * config/rs6000/altivec.md ("one_cmplv16qi2"): Change vnot to
3110         vnor.
3111         ("one_cmplv8hi2"): Same.
3112         ("one_cmplv4si2"): Same.
3113
3114 2004-05-10  Kaz Kojima  <kkojima@gcc.gnu.org>
3115
3116         PR target/15130
3117         * config/sh/sh-protos.h (sh_expand_epilogue): Change prototype.
3118         * config/sh/sh.c (output_stack_adjust): Take the sibcall epilogue
3119         into account.  Compute the correct number of general registers
3120         for the return value.  Generate a special push/pop sequence when
3121         failing to get a temporary register for non SHmedia epilogue.
3122         (sh_expand_epilogue): Add an argument to show whether it's for
3123         sibcall or not.  Set the 3rd argument of output_stack_adjust to
3124         -1 if needed.
3125         (sh_need_epilogue): Call sh_expand_epilogue with 0.
3126         * config/sh/sh.md (sibcall_epilogue): Call sh_expand_epilogue
3127         with 1.
3128         (epilogue): Call sh_expand_epilogue with 0.
3129
3130 2004-05-10  Andrew Pinski  <pinskia@physics.uc.edu>
3131
3132         * gcse.c (eliminate_partially_redundant_loads): Instead of returning early,
3133         goto a cleanup label.  After the cleanup, free the allocated memory.
3134
3135 2004-05-10  Ziemowit Laski  <zlaski@apple.com>
3136
3137         * config/rs6000/altivec.h (vec_sld): Add overloads for
3138         argument/return types of 'vector bool int', 'vector bool short'
3139         and 'vector bool char'.
3140
3141 2004-05-10  Zack Weinberg  <zack@codesourcery.com>
3142
3143         * c-decl.c (store_parm_decls_newstyle): Correct test for a
3144         nested function.
3145
3146 2004-05-10  Richard Sandiford  <rsandifo@redhat.com>
3147
3148         * read-rtl.c (read_rtx): Allow 's' and 'T' strings to be omitted,
3149         treating missing ones as "".
3150         * config/mips/mips.md: Remove constraints from match_operands and
3151         match_scratches if they appear in define_expands (except reload*),
3152         define_peephole2s, define_splits or attribute specifications.
3153         * config/mips/7000.md, config/mips/sb1.md: Remove match_operand
3154         constraint strings.
3155
3156 2004-05-10  Alan Modra  <amodra@bigpond.net.au>
3157
3158         * config/rs6000/rs6000.c (function_arg_boundary): Always align
3159         AltiVec vectors.
3160         (function_arg_advance): Pass TARGET_32BIT -mabi=no-altivec AltiVec
3161         vectors by refererence.  Align the same for TARGET_64BIT to a 16
3162         byte boundary.  Remove useless code.  Add function comment.
3163         (function_arg): Similarly.  Move gpr rs6000_mixed_function_arg
3164         call to where it belongs.
3165         (function_arg_partial_nregs): Return true for all TARGET_32BIT
3166         -mabi=no-altivec AltiVec vectors.  Fix debug output.
3167         (rs6000_va_arg): Adjust for AltiVec change.
3168
3169 2004-05-10  Paul Brook  <paul@codesourcery.com>
3170
3171         * config/arm/arm.c (arm_promote_prototypes): Use TARGET_AAPCS_BASED.
3172         * config/arm/arm.h (TARGET_AAPCS_BASED): Define.
3173         (TARGET_DOUBLEWORD_ALIGN): Use it.
3174         (WCHAR_TYPE): Define.
3175         (WCHAR_SIZE_TYPE): Define.
3176         (SIZE_TYPE): Define.
3177
3178 2004-05-10  Alan Modra  <amodra@bigpond.net.au>
3179
3180         * config/rs6000/rs6000.c (function_arg_boundary): Align for ABI_V4
3181         when size is 8 bytes.
3182         (function_arg_advance): Account for stack space used by AltiVec
3183         args when -mabi=altivec.  Simplify alignment calculations.  For
3184         ABI_V4, pass AltiVec vectors by reference when -mabi=no-altivec.
3185         (function_arg): Similarly.
3186         (function_arg_pass_by_reference): True for ABI_V4 AltiVec when
3187         not AltiVec ABI.
3188         (rs6000_va_arg): Correct fp arg test.  Adjust for AltiVec change.
3189         Correct alignment, and align before testing reg count.  Remove
3190         TREE_THIS_VOLATILE from reg.  Don't emit unused labels.
3191         (rs6000_complex_function_value): Check TARGET_HARD_FLOAT and
3192         TARGET_FPRS here..
3193         (rs6000_function_value): .. not here before call.
3194
3195 2004-05-09  Aldy Hernandez  <aldyh@redhat.com>
3196
3197         * config/rs6000/spe.md ("tstsflt_gpr"): Fix typo in unspec.
3198
3199 2004-05-09  Zack Weinberg  <zack@codesourcery.com>
3200
3201         PR 15007
3202         * c-decl.c (current_file_decl): Rename to all_translation_units,
3203         adjust comment.
3204         (pop_scope): If popping file_scope, construct a
3205         TRANSLATION_UNIT_DECL and make it the context of all the
3206         symbols in the scope.
3207         (push_file_scope): Don't construct a TRANSLATION_UNIT_DECL here.
3208         (pushdecl): Clarify comment.  Do not set DECL_CONTEXT of
3209         anything to current_file_decl.
3210         (pushdecl_top_level): Likewise.
3211         (store_parm_decls_newstyle): Adjust check for nested function.
3212         (c_write_global_declarations): Update for renamed variable.
3213
3214 2004-05-09  Aldy Hernandez  <aldyh@redhat.com>
3215
3216         * config/rs6000/rs6000-protos.h
3217         (rs6000_conditional_register_usage): Protoize.
3218
3219         * config/rs6000/rs6000.c (rs6000_conditional_register_usage): New.
3220
3221         * config/rs6000/rs6000.h (CONDITIONAL_REGISTER_USAGE): Call
3222         function.
3223
3224 2004-05-08  Roger Sayle  <roger@eyesopen.com>
3225
3226         * fold-const.c (fold_div_compare): New function to optimize X/C1 op C2
3227         where op is a comparison operator and C1 and C2 are integer constants
3228         into a range check.
3229         (fold): Call fold_div_compare.
3230
3231 2004-05-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
3232
3233         * doc/install.texi (sparc-sun-solaris2*): Document bootstrap
3234         problems with earlier versions of the GNU compiler.
3235
3236 2004-05-07  Aldy Hernandez  <aldyh@redhat.com>
3237
3238         * config/rs6000/rs6000-protos.h (rs6000_hard_regno_mode_ok_p):
3239         Declare.
3240
3241         * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok_p): New.
3242         (rs6000_hard_regno_mode_ok): New.
3243         (rs6000_init_hard_regno_mode_ok): New.
3244         (rs6000_override_options): Call rs6000_init_hard_regno_mode_ok.
3245
3246         * config/rs6000/rs6000.h (HARD_REGNO_NREGS): Use precomputed
3247         result.
3248
3249 2004-05-07  Ziemowit Laski  <zlaski@apple.com>
3250
3251         * config/rs6000/altivec.h (vector, pixel, bool): Do not
3252         define as macros #ifdef __APPLE_ALTIVEC__.
3253
3254 2004-05-07  Fariborz Jahanian  <fjahanian@apple.com>
3255
3256         * config/rs6000/rs6000.c (rs6000_mixed_function_arg):
3257         Generate appropriate parallels for vector arguments
3258         passed to vararg functions. (function_arg): make the call
3259         to rs6000_mixed_function_arg for vector args as needed.
3260
3261 2004-05-07  Richard Sandiford  <rsandifo@redhat.com>
3262
3263         * config/mips/mips.c (mips_va_arg): Fix calculation of osize for
3264         EABI_FLOAT_VARARGS_P.
3265
3266 2004-05-07  Richard Sandiford  <rsandifo@redhat.com>
3267
3268         * config/mips/mips.h (ISA_HAS_BRANCHLIKELY): Remove TARGET_MIPS5500.
3269         * config/mips/mips.c (override_options): Disable branch likely
3270         instructions if TUNE_MIPS5500.
3271
3272 2004-05-07  Richard Sandiford  <rsandifo@redhat.com>
3273
3274         * config/mips/mips.c (override_options): Allow the hi and lo registers
3275         to store any integral mode, not just MODE_INTs.
3276
3277 2004-05-07  Paul Brook  <paul@codesourcery.com>
3278
3279         * config/arm/arm.c (arm_promote_prototypes): Use TARGET_AAPCS_BASED.
3280         * config/arm/arm.h (TARGET_AAPCS_BASED): Define.
3281         (TARGET_DOUBLEWORD_ALIGN): Use it.
3282         (WCHAR_TYPE): Define.
3283         (WCHAR_SIZE_TYPE): Define.
3284         (SIZE_TYPE): Define.
3285
3286 2004-05-07  Uros Bizjak  <uros@kss-loka.si>
3287
3288         * config/i386/i386.c (ix86_emit_fp_unordered_jump): Use
3289         testb $4, %ah insn instead of sahf insn if !TARGET_USE_SAHF.
3290
3291 2004-05-07  Andrew Pinski  <pinskia@physics.uc.edu>
3292
3293         * loop-doloop.c (doloop_valid_p): Make sure that body
3294         gets freed.
3295
3296 2004-05-07  Eric Botcazou  <ebotcazou@act-europe.fr>
3297
3298         * config/sparc/sparc-protos.h (sparc_skip_caller_unimp): New
3299         declaration.
3300         * config/sparc/sparc.c (SKIP_CALLERS_UNIMP_P): Delete.
3301         (sparc_skip_caller_unimp): New global variable.
3302         (sparc_function_epilogue): Set 'sparc_skip_caller_unimp'.
3303         Use it instead of SKIP_CALLERS_UNIMP_P.
3304         * config/sparc/sparc.md (call expander): Add sanity check.
3305         (call_address_struct_value_sp32): Re-sync with expander.
3306         (call_symbolic_struct_value_sp32): Likewise.
3307         (return peepholes): Use 'sparc_skip_caller_unimp' instead
3308         of custom predicate.
3309
3310 2004-05-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
3311
3312         PR c++/14962
3313         * c-pragma.c (handle_pragma_redefine_extname): Only change
3314         the assembler name of FUNCTION_DECLs and VAR_DECLs.
3315
3316 2004-05-07  Uros Bizjak  <uros@kss-loka.si>
3317
3318         * optabs.h (enum optab_index): Add new OTI_log1p.
3319         (log1p_optab): Define corresponding macro.
3320         * optabs.c (init_optabs): Initialize log1p_optab.
3321         * genopinit.c (optabs): Implement log1p_optab using log1p?f2
3322         patterns.
3323         * builtins.c (expand_builtin_mathfn): Handle BUILT_IN_LOG1P{,F,L}
3324         using log1p_optab.
3325         (expand_builtin): Expand BUILT_IN_LOG1P{,F,L} using
3326         expand_builtin_mathfn if flag_unsafe_math_optimizations is set.
3327
3328         * reg-stack.c (subst_stack_regs_pat): Handle UNSPEC_FYL2XP1.
3329
3330         * config/i386/i386.c (ix86_emit_i387_log1p): New function.
3331         * config/i386/i386-protos.h (ix86_emit_i387_log1p):
3332         Prototype here.
3333         * config/i386/i386.md (UNSPEC_FYL2XP1): New unspec to represent
3334         x87's fyl2xp1 instruction.
3335         (*fyl2x_xf3): Rename insn definition to fyl2x_xf3.
3336         (fyl2xp1_xf3): New pattern to implement fyl2xp1 x87 instruction.
3337         (log1psf2, log1pdf2, log1pxf2): New expanders to implement log1pf,
3338         log1p  and log1pl built-ins as inline x87 intrinsics.
3339
3340 2004-05-07  Loren James Rittle  <ljrittle@acm.org>
3341
3342         * config/alpha/freebsd.h (SUBTARGET_EXTRA_SPECS): Proper redefinition.
3343         * config/arm/freebsd.h: Likewise.
3344         * config/ia64/freebsd.h: Likewise.
3345         * config/sparc/freebsd.h: Likewise.
3346
3347 2004-05-07  Hans-Peter Nilsson  <hp@axis.com>
3348
3349         PR optimization/15296
3350         * reorg.c (fill_simple_delay_slots): Use next_real_insn when
3351         getting last consecutive label at a branch.
3352         (relax_delay_slots): Similar, near top of loop.
3353
3354 2004-05-06  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3355
3356         PR target/15202
3357         * pa.md (movdi, movsi, movhi, movqi): Support move from shift amount
3358         register to general register.
3359
3360 2004-05-07  Alan Modra  <amodra@bigpond.net.au>
3361
3362         * config/rs6000/rs6000.h (STACK_BOUNDARY): Use 128 bit for either
3363         TARGET_ALTIVEC or TARGET_ALTIVEC_ABI.
3364         * config/rs6000/sysv4.h (ABI_STACK_BOUNDARY): Likewise.
3365         (STACK_BOUNDARY): Delete.
3366
3367 2004-05-06  Stuart Hastings  <stuart@apple.com>
3368
3369         * gcc/doc/invoke.texi: Restore -fgcse-after-reload doc from 1.421,
3370         mistakenly clobbered by 1.423.
3371
3372 2004-05-06  Richard Sandiford  <rsandifo@redhat.com>
3373
3374         * doc/invoke.texi: Document -mvr4130-align.
3375         * config/mips/mips.h (MASK_VR4130_ALIGN, TARGET_VR4130_ALIGN)
3376         (TUNE_MIPS4120, TUNE_MIPS4130): New macros.
3377         (TUNE_MACC_CHAINS): Include TUNE_MIPS4120 and TUNE_MIPS4130.
3378         (TARGET_SWITCHES): Add -mvr4130-align and -mno-vr4130-align.
3379         * config/mips/mips.md: Include sched-int.h.
3380         (USEFUL_INSN_P, SEQ_BEGIN, SEQ_END, FOR_EACH_SUBINSN): New macros.
3381         (mips_rtx_costs): Set integer multiplication costs for TUNE_MIPS4130.
3382         (override_options): Enable -mvr4130-align at -O3 and above.
3383         (mips_sim_insn): New variable.
3384         (mips_sim): New structure.
3385         (mips_sim_reset, mips_sim_init, mips_sim_next_cycle, mips_sim_wait_reg)
3386         (mips_sim_wait_regs_2, mips_sim_wait_regs_1, mips_sim_wait_regs)
3387         (mips_sim_wait_units, mips_sim_wait_insn, mips_sim_record_set)
3388         (mips_sim_issue_insn, mips_sim_issue_nop, mips_sim_finish_insn)
3389         (vr4130_avoid_branch_rt_conflict, vr4130_align_insns): New functions.
3390         (mips_reorg): Call vr4130_align_insns.
3391         (vr4130_last_insn): New variable.