OSDN Git Service

* c-typeck.c (comptypes, tagged_types_tu_compatible_p,
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2004-06-13  Joseph S. Myers  <jsm@polyomino.org.uk>
2
3         * c-typeck.c (comptypes, tagged_types_tu_compatible_p,
4         function_types_compatible_p, type_lists_compatible_p): Remove
5         flags parameter.
6         * c-tree.h (comptypes): Likewise.
7         (COMPARE_STRICT): Remove.
8         * c-decl.c, c-lang.c, c-parse.in, c-typeck.c, objc/objc-act.c: All
9         callers changed.
10
11 2004-06-13  Eric Christopher  <echristo@redhat.com>
12
13         * c-decl.c (diagnose_mismatched_decls): Improve error message.
14         Remove unused code.
15         * c-typeck.c (comptypes): Add location in standard we're checking.
16
17 2004-06-13  Kaz Kojima  <kkojima@gcc.gnu.org>
18
19         * config/sh/libgcc-std.ver: Add __unorddf2 and __unordsf2 with
20         version 3.3.4.
21
22 2004-06-12  Roger Sayle  <roger@eyesopen.com>
23
24         * expmed.c (shift_cost, shiftadd_cost, shiftsub_cost): Additionally
25         index by machine mode.
26         (init_expmed): Initialize shift_cost, shiftadd_cost and shiftsub_cost
27         tables inside the loop over machine modes.
28         (synth_mult, expand_mult_highpart_optab, expand_mult_highpart,
29         expand_divmod): Index shift*_cost by the appropriate machine mode.
30
31 2004-06-12  Eric Christopher  <echristo@redhat.com>
32
33         * config/s390/s390.h: Rename TARGET_TPF to TARGET_TPF_PROFILING.
34         * config/s390/s390.md: Ditto.
35         * config/s390/s390.c: Ditto.
36         (s390_frame_info): Conditionalize frame and setup info on
37         TARGET_TPF_PROFILING.
38         (s390_arg_frame_offset): Ditto.
39
40 2004-06-12  Roger Sayle  <roger@eyesopen.com>
41
42         * fold-const.c (omit_two_operands): New function.
43         * tree.h (omit_two_operands): Prototype here.
44         * builtins.c (fold_builtin_unordered_cmp): New function to lower
45         C99 unordered comparison builtins to the appropriate tree nodes.
46         (fold_builtin_1): Use fold_builtin_unordered_cmp to lower
47         BUILT_IN_ISGREATER, BUILT_IN_ISGREATEREQUAL, BUILT_IN_ISLESS,
48         BUILT_IN_ISLESSEQUAL and BUILT_IN_ISLESSGREATER.  Manually lower
49         BUILT_IN_ISUNORDERED comparisons to an UNORDERED_EXPR tree node.
50         (simplify_builtin_memcmp, simplify_builtin_strncmp,
51         simplify_builtin_strncat, simplify_builtin_strspn): Use the new
52         omit_two_operands function to build the required COMPOUND_EXPRs.
53
54 2004-06-12  Steven Bosscher <stevenb@suse.de>,
55             Andreas Jaeger  <aj@suse.de>
56
57         * gcse.c (record_set_info): Use predicates like REG_P.
58         (mems_conflict_for_gcse_p): Likewise.
59         (load_killed_in_block_p): Likewise.
60         (hash_expr_1): Likewise.
61         (insert_set_in_table): Likewise.
62         (gcse_constant_p): Likewise.
63         (hash_scan_set): Likewise.
64         (hash_scan_insn): Likewise.
65         (canon_list_insert): Likewise.
66         (record_last_mem_set_info): Likewise.
67         (record_last_set_info): Likewise.
68         (compute_hash_table_work): Likewise.
69         (mark_set): Likewise.
70         (mark_clobber): Likewise.
71         (mark_oprs_set): Likewise.
72         (compute_transp): Likewise.
73         (find_avail_set): Likewise.
74         (cprop_insn): Likewise.
75         (do_local_cprop): Likewise.
76         (cprop): Likewise.
77         (find_implicit_sets): Likewise.
78         (find_bypass_set): Likewise.
79         (bypass_conditional_jumps): Likewise.
80         (insert_insn_end_bb): Likewise.
81         (pre_insert_copy_insn): Likewise.
82         (compute_transpout): Likewise.
83         (next_ls_expr): Likewise.
84         (invalidate_any_buried_refs): Likewise.
85         (compute_ld_motion_mems): Likewise.
86         (reg_set_info): Likewise.
87         (reg_clear_last_set): Likewise.
88         (find_moveable_store): Likewise.
89         (compute_store_table): Likewise.
90         (find_loads): Likewise.
91         (store_killed_in_insn): Likewise.
92         (insert_insn_start_bb): Likewise.
93         (reg_set_between_after_reload_p): Likewise.
94         (reg_used_between_after_reload_p): Likewise.
95         (is_jump_table_basic_block): Likewise.
96         (gcse_after_reload): Likewise.
97         (hash_scan_set_after_reload): Likewise.
98         (compute_hash_table_after_reload): Likewise.
99
100 2004-06-12  Steven Bosscher  <stevenb@suse.de>
101
102         * rtl.h (MEM_P, NONJUMP_INSN_P, CALL_INSN_P): New predicates.
103         (INSN_P): Don't look at the rtx code class, just explicitly
104         check for one of the tree RTX_INSN codes.
105
106 2004-06-11  Zack Weinberg  <zack@codesourcery.com>
107
108         * c-typeck.c (default_function_array_conversion): Use
109         build_pointer_type not TYPE_POINTER_TO.
110
111 2004-06-11  Zack Weinberg  <zack@codesourcery.com>
112
113         * configure.ac: Don't invoke ACX_HEADER_STDBOOL.
114         * configure, config.in: Regenerate.
115         * system.h: Unconditionally define bool as unsigned char,
116         BOOL_BITFIELD as unsigned int.
117         * domwalk.h: Use BOOL_BITFIELD.
118
119 2004-06-12  Andreas Jaeger  <aj@suse.de>
120
121         * libgcc-std.ver: Add __unorddf2 and __unordsf2 with version 3.3.4.
122         * libgcc-darwin.ver: Likewise.
123
124 2004-06-12  Peter Jakubek  <peter@laseranimation.com>
125
126         * reload.c (find_reloads): Force reload for pseudo registers on big
127         endian machines.
128
129 2004-06-11  Steven Bosscher <stevenb@suse.de>
130
131         * tree-ssa-dce.c (mark_control_dependent_edges_necessary):
132         Don't try to mark anything control dependent on the entry or
133         exit blocks.
134
135 2004-06-11  Daniel Berlin  <dberlin@dberlin.org>
136
137         Fix Bug 15899
138         Fix Bug 15460
139         * tree.h (SSA_NAME_VALUE): New macro.
140         (struct tree_ssa_name): Add value_handle member.
141         * tree-ssa-pre.c: Replaced.
142         * tree-flow.h (tree_ann_type): Add CST_ANN, EXPR_ANN.
143         (struct cst_ann_d): New.
144         (struct expr_ann_d): New.
145         (union tree_ann_d): Add cst_ann, expr_ann.
146         * tree-dfa.c (create_cst_ann): New function.
147         (create_expr_ann): Ditto.
148         * tree-flow-inline.h (cst_ann): New function.
149         (expr_ann): Ditto.
150         (get_cst_ann): Ditto.
151         (get_expr_ann): Ditto..
152
153 2004-06-11  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
154
155         * pa.c (pa_hpux_init_libfunc): Add support for unord_optab.
156         * pa/quadlib.c (enum qfcmp_magic): Define magic values for call to
157         _U_Qfcmp library function.
158         (_U_Qfltgt, _U_Qfunle, _U_Qfunlt, _U_Qfunge, _U_Qfungt, _U_Qfuneq,
159         _U_Qfunord, _U_Qford): Add more TFmode builtin compare functions.
160
161         * pa.c (legitimize_pic_address): Use UNSPEC_DLTIND14R to identify
162         unspec used for loading address from DLT.
163         * pa.md: Define constants for the uses of UNSPEC and UNSPEC_VOLATILE.
164         Change all users of UNSPEC and UNSPEC_VOLATILE to use new constants.
165         Don't use short code sequence when loading the address of a nonlocal
166         label.
167         (nonlocal_goto): New expander.
168         (indirect_goto): New jump pattern for nonlocal gotos.
169         (short_jump): Remove extra whitespace.
170         (builtin_longjmp): Clobber memory and hard frame pointer.  Restore
171         frame pointer via virtual_stack_vars_rtx when we have a nonlocal goto
172         pattern.
173
174 2004-06-11  Roger Sayle  <roger@eyesopen.com>
175
176         * expmed.c (synth_mult): Add an additional MODE argument for the
177         machine mode of the multiplication.  Update recursive calls.  Use
178         mode instead of word_mode for determining operation costs.
179         (choose_mult_variant): Update calls to synth_mult with "mode".
180
181 2004-06-11  Richard Henderson  <rth@redhat.com>
182
183         * tree-ssa-operands.c (get_stmt_operands): Clear makes_aliased_loads
184         and makes_aliased_stores.
185
186 2004-06-11  Andrew Pinski  <pinskia@physics.uc.edu>
187
188         * doc/install.text (--enable-shared): Fix typo.
189
190 2004-06-11  Richard Henderson  <rth@redhat.com>
191
192         * config/alpha/alpha.c (alpha_gimplify_va_arg_1): Remove post_p
193         argument.  Use internal post for call to gimplify_expr.  Tidy
194         rounded type size computation.
195         (alpha_gimplify_va_arg): Use get_formal_tmp_var and
196         get_initialized_tmp_var.
197
198 2004-06-11  Andrew Pinski  <pinskia@physics.uc.edu>
199
200         * doc/install.texi (--enable-shared): Update libobjc's shared library
201         status.  Remove reference to libf2c.
202
203 2004-06-11  Jason Merrill  <jason@redhat.com>
204
205         * config/i386/i386.h (EXPAND_BUILTIN_VA_ARG): Just abort.
206         * config/i386/i386.c (ix86_va_arg): Remove.
207         * config/rs6000/rs6000.h (EXPAND_BUILTIN_VA_ARG): Just abort.
208         * config/rs6000/rs6000.c (rs6000_va_arg): Remove.
209         * config/alpha/alpha.h (EXPAND_BUILTIN_VA_ARG): Just abort.
210         * config/alpha/alpha.c (alpha_va_arg): Remove.
211         * config/sparc/sparc.h (EXPAND_BUILTIN_VA_ARG): Just abort.
212         * config/sparc/sparc.c (sparc_va_arg): Remove.
213
214         * tree-ssa-operands.c (get_stmt_operands): Use a V_MAY_DEF if the
215         assignment might throw.
216         * tree-eh.c (tree_could_throw_p): Support non-call exceptions in
217         expressions.
218
219 2004-06-11  J"orn Rennecke <joern.rennecke@superh.com>
220
221         PR 15886:
222         * sh.h (ALLOCATE_INITIAL_VALUE): Use return_address_pointer_rtx.
223
224 2004-06-11  Joseph S. Myers  <jsm@polyomino.org.uk>
225
226         * doc/install.texi (Prerequisites): Update documentation of
227         required versions of autoconf and automake.  Remove mention of
228         libf2c.
229
230 2004-06-11  Jason Merrill  <jason@redhat.com>
231
232         * config/sparc/sparc.c (sparc_gimplify_va_arg): New fn.
233         (TARGET_GIMPLIFY_VA_ARG_EXPR): Define.
234
235 2004-06-11  Jerry Quinn  <jlquinn@optonline.net>
236
237         * typeclass.h: Add GPL plus exception license.  Add include
238         guard.
239
240 2004-06-10  Jason Merrill  <jason@redhat.com>
241
242         * gimplify.c (gimplify_modify_expr): Don't force a temporary
243         of an aggregate_value_p type.
244
245 2004-06-10  Jeff Law  <law@redhat.com>
246
247         * fold-const.c (fold_inf_compare): Avoid creating non-gimple
248         code when we are in gimple form.
249
250 2004-06-10  Diego Novillo  <dnovillo@redhat.com>
251
252         * Makefile.in (tree-ssanames.o): Depend on TREE_FLOW_H.
253         * tree-flow.h (ssa_names, num_ssa_names, ssa_name): Declare.
254         (highest_ssa_version): Remove.
255         * tree-outof-ssa.c (new_temp_expr_table): Replace
256         highest_ssa_version with num_ssa_names.
257         (dump_replaceable_exprs): Likewise.
258         (rewrite_vars_out_of_ssa): Likewise.
259         * tree-ssa-ccp.c (initialize): Likewise
260         * tree-ssa-copyrename.c (rename_ssa_copies): Likewise.
261         * tree-ssa-dce.c (tree_dce_init): Likewise.
262         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Likewise.
263         * tree-ssa-live.c (create_ssa_var_map): Likewise.
264         (dump_var_map): Likewise.
265         * tree-ssa.c (verify_ssa): Likewise.
266         (kill_redundant_phi_nodes): Likewise.
267         Do not build a local array of SSA_NAMEs.  Use the ssa_names table.
268         * tree-ssanames.c: Include tree-flow.h
269         (ssa_names): New varray.
270         (init_ssa_names): Initialize ssa_names.
271         Reserve the first slot of the ssa_names table.
272         (make_ssa_name): Push the newly created SSA_NAME into ssa_names.
273         Assign version numbers using num_ssa_names.
274
275 2004-06-10  Joseph S. Myers  <jsm@polyomino.org.uk>
276
277         * doc/sourcebuild.texi (Front End): Add details of more
278         installation documentation required.
279
280 2004-06-10  Brian Booth  <bbooth@redhat.com>
281
282         * doc/tree-ssa.texi: Remove references to VDEF and add descriptions
283         of V_MAY_DEF and V_MUST_DEF.
284         * tree-dfa.c (dfa_stats_d): Add num_v_must_defs and rename
285         num_vdefs to num_v_may_defs.
286         (compute_immediate_uses_for_stmt): Rename occurences of vdef
287         to v_may_def.
288         (redirect_immediate_uses): Ditto.
289         (dump_dfa_stats): Ditto. Also added code to dump num_v_must_defs.
290         (collect_dfa_stats_r): Rename occurences of vdef to v_may_def.
291         Also add code to sum up the number of v_must_defs.
292         (vdefs_disappeared_p): Replace with...
293         (v_may_defs_disappeared_p): This.
294         (v_must_defs_disappeared_p): New function.
295         (mark_new_vars_to_rename): Rename occurences of vdef to v_may_def.
296         Also add code to mark new variables found in V_MUST_DEFs for
297         renameing.
298         * tree-flow.h (stmt_ann_d): Add v_must_def_ops and replace
299         vdef_ops to v_may_def_ops.
300         (get_vdef_ops): Replace with...
301         (get_v_may_def_ops): This.
302         * tree-flow-inline.h (get_vdef_ops): Replace with...
303         (get_v_may_def_ops): This.
304         (get_v_must_def_ops): New function.
305         (get_vdef_result_ptr): Replace with...
306         (get_v_may_def_result_ptr): This.
307         (get_vdef_op_ptr): Ditto with...
308         (get_v_may_def_op_ptr); This.
309         (get_v_must_def_op_ptr): New function.
310         * tree-into-ssa.c (mark_def_sites): Rename occurences of vdef
311         to v_may_def. Also add code to mark statements with
312         V_MUST_DEFs as definition sites.
313         (rewrite_stmt): Rename occurences of vdef to v_may_def. Also
314         add code to register new V_MUST_DEFs made by the statement.
315         * tree-outof-ssa.c (VIRTUAL_PARTITION): Update comments.
316         (check_replaceable): Rename occurences of vdef to v_may_def. Also
317         add check for V_MUST_DEFs.
318         (find_replaceable_in_bb): Ditto.
319         * tree-pretty-print.c (dump_vops): Rename occurences of vdef
320         to v_may_def. Also add code to dump V_MUST_DEFs.
321         * tree-sra.c (mark_all_vdefs): Replace with...
322         (mark_all_v_may_defs): This.
323         (mark_all_v_must_defs): New function.
324         (create_scalar_copies): Replace call to mark_all_vdefs with
325         calls to mark_all_v_may_defs and mark_all_v_must_defs.
326         (scalarize_structures): Rename occurences of vdef to v_may_def.
327         Also add a check for V_MUST_DEFs.
328         (scalarize_modify_expr): Rename occurences of vdef to v_may_def.
329         * tree-ssa-alias.c (global_var): Update comment.
330         (compute_may_aliases): Ditto.
331         (compute_points_to_and_addr_escape): Rename occurences of vdef
332         to v_may_def. Also add code to mark variables in V_MUST_DEF
333         operands as being written to.
334         (group_aliases): Update comment.
335         (maybe_create_global_var): Ditto.
336         * tree-ssa.c (verify_ssa): Rename occurences of vdef to v_may_def.
337         Also add a check for V_MUST_DEFs on GIMPLE registers.
338         (replace_immediate_uses): Rename occurences of vdef to v_may_def.
339         * tree-ssa-ccp.c (visit_stmt): Rename occurences of vdef
340         to v_may_def. Also add code to mark all V_MUST_DEF operands
341         VARYING.
342         (initialize): Ditto.
343         (set_rhs): Rename occurences of vdef to v_may_def. Also add
344         code to update SSA_NAMEs in V_MUST_DEFs.
345         * tree-ssa-copy.c (cprop_into_stmt): Rename occurences of vdef
346         to v_may_def.
347         * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Rename
348         occurences of vdef to v_may_def. Also add code to mark statements
349         with V_MUST_DEFs as necessary.
350         (propagate_necessity): Rename occurences of vdef to v_may_def.
351         * tree-ssa-dom.c (redirect_edges_and_update_ssa_graph): Rename
352         occurences of vdef to v_may_def. Also add code to mark operands
353         in V_MUST_DEFs for renaming.
354         (eliminate_redundant_computations): Rename occurences of vdef
355         to v_may_def.
356         (record_equivalences_from_stmt): Rename occurences of vdef
357         to v_may_def. Also add code to record VUSEs for V_MUST_DEFs.
358         (optimize_stmt): Remove unnesessary variable vdefs. Update
359         comment.
360         (register_definitions_for_stmt): Rename occurences of vdef
361         to v_may_def. Also add code to register definitions made with
362         V_MUST_DEFs.
363         * tree-ssa-dse.c (fix_stmt_vdefs): Replace with...
364         (fix_stmt_v_may_defs): This.
365         (fix_phi_uses): Rename occurences of vdef to v_may_def.
366         (dse_optimize_stmt): Ditto.
367         * tree-ssa-live.c (create_ssa_var_map): Rename occurences of vdef
368         to v_may_def. Also add code to mark V_MUST_DEF operands as being
369         used in virtual operators.
370         * tree-ssa-loop.c (mark_defs_for_rewrite): Rename occurences of
371         vdef to v_may_def. Also add code to mark V_MUST_DEF operands for
372         renaming.
373         * tree-ssa-operands.c (opf_kill_def): New flag for killing
374         definitions.
375         (build_vdefs): Renamed to...
376         (build_v_may_defs): This.
377         (build_v_must_defs): New variable.
378         (voperands_d): Add v_must_def_ops and replace vdef_ops with
379         v_may_def_ops.
380         (append_vdef): Replace with...
381         (append_v_may_def): This.
382         (append_v_must_def): New function.
383         (NUM_FREE): Increment for V_MUST_DEF
384         (optype_freelist): Increment its size for V_MUST_DEF
385         (allocate_vdef_optype): Replace with...
386         (allocate_v_may_def_optype): This.
387         (allocate_v_must_def_optype): New function.
388         (free_vdefs): Replace with...
389         (free_v_may_defs): This.
390         (free_v_must_defs): New function.
391         (remove_vdefs): Replace with...
392         (remove_v_may_defs): This.
393         (remove_v_must_defs): New function.
394         (init_ssa_operands): Rename occurences of vdef to v_may_def. Also
395         add code to initialize build_v_must_defs.
396         (finalize_ssa_vdefs): Replace with...
397         (finalize_ssa_v_may_defs): This.
398         (finalize_ssa_vuses): Rename occurences of vdef to v_may_def.
399         (finalize_ssa_v_must_defs): New function.
400         (finalize_ssa_stmt_operands): Replace call to finalize_ssa_vdefs
401         with calls to finalize_ssa_v_may_defs and finalize_ssa_v_must_defs.
402         (verify_start_operands): Rename occurences of vdef to v_may_def.
403         Also add check for build_v_must_defs.
404         (get_stmt_operands): Rename occurences of vdef to v_may_def.
405         Also add code to handle V_MUST_DEFs and to use opf_kill_def for
406         killing definitions.
407         (get_expr_operands): Update comment and use opf_kill_def for
408         killing definitions.
409         (add_stmt_operand): Replace code that appends VDEFs with code
410         that appends V_MUST_DEFs when opf_kill_def is set and V_MAY_DEFs
411         otherwise.
412         (add_call_clobber_ops): Update comments.
413         * tree-ssa-operands.h (vdef_optype_d): Replace with...
414         (v_may_def_optype_d): This.
415         (v_must_def_optype_d): New structure.
416         (VDEF_OPS): Replace with...
417         (V_MAY_DEF_OPS): This.
418         (STMT_VDEF_OPS): Same with...
419         (STMT_V_MAY_DEF_OPS): This.
420         (NUM_VDEFS): And...
421         (NUM_V_MAY_DEFS): This.
422         (VDEF_RESULT_PTR): As well as...
423         (V_MAY_DEF_RESULT_PTR): This.
424         (VDEF_RESULT): Same goes for...
425         (V_MAY_DEF_RESULT): This.
426         (VDEF_OP_PTR): And...
427         (V_MAY_DEF_OP_PTR): This.
428         (VDEF_OP): And...
429         (V_MAY_DEF_OP): This.
430         (V_MUST_DEF_OPS): New macro.
431         (STMT_V_MUST_DEF_OPS): Ditto.
432         (NUM_V_MUST_DEFS): Ditto.
433         (V_MUST_DEF_OP_PTR): Ditto.
434         (V_MUST_DEF_OP): Ditto.
435         (remove_vdefs): Replace signature with...
436         (remove_v_may_defs): This.
437         (remove_v_must_defs): New function signature.
438         * tree-ssa-pre.c (subst_phis): Replace call to remove_vdefs
439         with calls to remove_v_may_defs and remove_v_must_defs.
440         (process_left_occs_and_kills): Rename occurences of vdef to v_may_def.
441         Also add code that marks left occurences of operands in V_MUST_DEFs.
442         * tree-tailcall.c (find_tail_calls): Rename occurences of vdef
443         to v_may_def. Also add check for V_MUST_DEFs.
444         (eliminate_tail_call):Rename occurences of vdef to v_may_def.
445
446 2004-06-10  Vladimir Makarov  <vmakarov@redhat.com>
447
448         PR target/15653
449         * haifa-sched.c (schedule_block): Finish cycle after issuing asm
450         insn.
451
452 2004-06-10  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
453
454         PR web/15263
455         * doc/install.texi: Remove superfluous linebreak.
456
457 2004-06-10  Roger Sayle  <roger@eyesopen.com>
458
459         * builtins.c (expand_builtin): Fall back to library function call for
460         conj, conjf, conjl, creal, crealf, creall, cimag, cimagf and cimagl.
461         (fold_builtin_1): Lower built-ins BUILT_IN_CONJ{,F,L} to CONJ_EXPR,
462         BUILT_IN_CREAL{,F,L} to REALPART_EXPR, and BUILT_IN_CIMAG{,F,L} to
463         IMAGPART_EXPR respectively.
464
465 2004-06-10  J"orn Rennecke <joern.rennecke@superh.com>
466
467         * sh.c (dump_table): New argument start.  Changed caller.
468         (fixup_mova): New function.
469         (find_barrier): Use it.
470         (sh_reorg): Likewise.  Check for CODE_FOR_casesi_worker_2.
471         If the label a mova refers to is above the mova itself, change
472         the mova into a load.
473         * sh.md (*casesi_worker): Rename to:
474         (casesi_worker_1).
475         (casesi_worker_2): New insn.
476
477 2004-06-10  Jason Merrill  <jason@redhat.com>
478
479         * target.h (struct gcc_target): Change gimplify_va_arg_expr
480         hook signature.
481         * tree-gimple.h: Adjust.
482         * config/alpha/alpha.c (alpha_gimplify_va_arg): Adjust.
483         * config/i386/i386.c (ix86_gimplify_va_arg): Adjust.
484         Use fold_convert.
485         * config/ia64/ia64.c (ia64_gimplify_va_arg): Adjust.
486         * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Adjust.
487         Use COMPLEX_EXPR for complex numbers.  Use fold_convert.
488         * builtins.c (std_gimplify_va_arg_expr): Adjust.  Use fold_convert.
489         (gimplify_va_arg_expr): Return GS_ERROR in error case.
490         Gimplify valist rather than calling stabilize_va_list.
491
492 2004-06-10  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
493
494         * Makefile.in (df.o): Remove fibheap dependency.
495         * df.h: Do not include sbitmap.h.
496         (struct ref): New field "data".
497         (DF_REF_DATA): New accessor macro.
498         (struct df): Field "dom" removed.
499         (df_analyze_subcfg): New function.
500         (transfer_function_sbitmap, transfer_function_bitmap): Replaced by ...
501         (transfer_function): ... new type.
502         (iterative_dataflow_sbitmap, iterative_dataflow_bitmap): Replaced by ...
503         (iterative_dataflow): ... new function.
504         (enum set_representation, struct dataflow): New.
505         * df.c: Do not include fibheap.h.
506
507         (df_reg_def_chain_clean, df_reg_use_chain_clean,
508         (df_bb_table_realloc, df_analyse_subcfg, free_reg_ref_chain,
509         prune_to_subcfg, df_bb_modify): New functions.
510         (df_bitmaps_alloc, df_reg_def_chain_create, df_reg_use_chain_create,
511         df_refs_update, df_reg_table_realloc, df_ref_create,
512         df_bb_reg_def_chain_create, df_bb_reg_use_chain_create,
513         df_bb_rd_local_compute, df_bb_ru_local_compute, df_bb_lr_local_compute,
514         df_analyse_1, df_insn_modify): Support analysing only a part of the cfg.
515
516         (dataflow_set_a_op_b, dataflow_set_copy): New functions.
517         (df_rd_transfer_function, df_ru_transfer_function,
518         df_lr_transfer_function): Type of bitmaps changed to void *.
519         (hybrid_search_bitmap, hybrid_search_sbitmap): Merge into ...
520         (hybrid_search): ... new function.
521         (iterative_dataflow_bitmap, iterative_dataflow_sbitmap): Merge into ...
522         (iterative_dataflow): ... new function. Avoid use of fibheaps for
523         a worklist.  Do not process basic blocks unnecessarily.
524
525 2004-06-10  Roger Sayle  <roger@eyesopen.com>
526
527         * fold-const.c (fold_abs_const): Make extern.
528         * tree.h (fold_abs_const): Prototype here.
529         * builtins.c (fold_builtin_fabs): New function to transform
530         fabs, fabsf and fabsl builtins into ABS_EXPR tree nodes.
531         (fold_builtin_abs): New function to transform abs, labs, llabs
532         and imaxabs builtins into ABS_EXPR tree nodes.
533         (expand_builtin): Fall back to a function call for abs, labs,
534         llabs and imaxabs builtins that survive constant folding.
535         (fold_builtin_1): Call fold_builtin_fabs for FABS, FABSF and
536         FABSL, and fold_builtin_abs for ABS, LABS, LLABS and IMAXABS.
537
538 2004-06-10  Jakub Jelinek  <jakub@redhat.com>
539
540         * config/ia64/unwind-ia64.c (uw_frame_state_for): Don't assume a
541         leaf function without unwind info at RP 0.
542
543 2004-06-10  Jakub Jelinek  <jakub@redhat.com>
544
545         PR c++/14791
546         * tree.h (enum tree_index): Add TI_FILEPTR_TYPE.
547         (fileptr_type_node): Define.
548         * tree.c (build_common_tree_nodes_2): Initialize
549         fileptr_type_node to ptr_type_node.
550         * c-common.c (c_common_nodes_and_builtins): For C++, make
551         fileptr_type_node a distinct type copy.
552         * builtin-types.def (BT_FILEPTR, BT_FN_INT_CONST_STRING_FILEPTR,
553         BT_FN_INT_INT_FILEPTR, BT_FN_INT_FILEPTR_CONST_STRING_VALIST_ARG,
554         BT_FN_SIZE_CONST_PTR_SIZE_SIZE_FILEPTR,
555         BT_FN_INT_FILEPTR_CONST_STRING_VAR): Add.
556         (BT_FN_INT_CONST_STRING_PTR, BT_FN_INT_INT_PTR,
557         BT_FN_SIZE_CONST_PTR_SIZE_SIZE_PTR, BT_FN_INT_PTR_CONST_STRING_VAR,
558         BT_FN_INT_PTR_CONST_STRING_VALIST_ARG): Remove.
559         * builtins.def (BUILT_IN_FPRINTF, BUILT_IN_FPRINTF_UNLOCKED,
560         BUILT_IN_FPUTC, BUILT_IN_FPUTC_UNLOCKED, BUILT_IN_FPUTS,
561         BUILT_IN_FPUTS_UNLOCKED, BUILT_IN_FSCANF, BUILT_IN_FWRITE,
562         BUILT_IN_FWRITE_UNLOCKED, BUILT_IN_VFPRINTF, BUILT_IN_VFSCANF): Use
563         the above *FILEPTR* types instead of *PTR*.
564
565 2004-06-09  Daniel Berlin <dberlin@dberlin.org>
566
567         * tree-ssa.c (verify_ssa): Verify that vdefs/makes_aliased_stores
568         match.
569
570 2004-06-09  Roger Sayle  <roger@eyesopen.com>
571
572         * fold-const.c (fold_not_const): New function.
573         (fold) <ABS_EXPR>: Don't bother testing wins.
574         (fold) <BIT_NOT_EXPR>: Call fold_not_const.
575         (nondestructive_fold_unary_to_constant) <BIT_NOT_EXPR>: Likewise.
576
577 2004-06-09  Richard Henderson  <rth@redhat.com>
578
579         PR middle-end/15228
580         * function.c (assign_parms): Always set_mem_align with the computed
581         FUNCTION_ARG_BOUNDARY.  Don't clear stack_parm if !STRICT_ALIGNMENT.
582
583 2004-06-09  Richard Henderson  <rth@redhat.com>
584
585         PR opt/15108
586         * tree-tailcall.c (find_tail_calls): Don't check early for
587         tail_recursion failure.
588
589 2004-06-09  Diego Novillo  <dnovillo@redhat.com>
590
591         Move SSA_NAME annotations into tree_ssa_name.
592
593         * tree-dfa.c (create_ssa_name_ann): Remove.
594         * tree-flow-inline.h (ssa_name_ann, get_ssa_name_ann): Remove.
595         * tree-flow.h (enum tree_ann_type): Remove SSA_NAME_ANN.
596         (struct ssa_name_ann_d): Remove.
597         (union tree_ann_d): Update.
598         (ssa_name_ann_t): Remove.
599         * tree-ssa-alias.c: (get_ptr_info): New local function.
600         Replace references to ssa_name_ann_t with struct ptr_info_def.
601         * tree-ssa-operands.c (get_expr_operands): Likewise.
602         * tree.h (SSA_NAME_PTR_INFO): Define.
603         (struct ptr_info_def): Declare.
604         (struct tree_ssa_name): Add field 'ptr_info'.
605
606 2004-06-09  Danny Smith  <dannysmith@users.sourceforge.net>
607
608         * config/i386/winnt.c (i386_pe_output_labelref): Correct
609         misplaced ')'.
610
611 2004-06-09  Steven Bosscher  <stevenb@suse.de>
612
613         * config/i386/k6.md: Rewrite using the DFA model.
614         * config/i386/i386.c (ix86_adjust_cost): Don't increase the
615         cost of load-operation insns for the K6.
616         (ia32_use_dfa_pipeline_interface): Add TARGET_K6.
617         (ia32_multipass_dfa_lookahead): Likewise.
618
619 2004-06-09  Richard Henderson  <rth@redhat.com>
620
621         * config/alpha/alpha.c (alpha_gimplify_va_arg_1,
622         alpha_gimplify_va_arg, TARGET_GIMPLIFY_VA_ARG_EXPR): New.
623
624 2004-06-09  Richard Henderson  <rth@redhat.com>
625
626         * expmed.c (emit_store_flag): Cope with FLOAT_STORE_FLAG_VALUE.
627
628 2004-06-09  Geoffrey Keating  <geoffk@apple.com>
629
630         * Makefile.in (CPPLIB_H): Put files in order of inclusion.
631         (CPP_ID_DATA_H): New.
632         (gtype-desc.o): Update dependencies.
633         (GTFILES): Use CPP_ID_DATA_H.
634
635 2004-06-09  Mark Mitchell  <mark@codesourcery.com>
636
637         Revert:
638         PR c++/15815
639         2004-06-07  Mark Mitchell  <mark@codesourcery.com>
640         * doc/extend.texi: Deprecate #pragma interface and #pragma
641         implementation.
642
643 2004-06-09  David S. Miller  <davem@nuts.davemloft.net>
644
645         * config/sparc/sparc.h (MOVE_RATIO): New definition.
646
647 2004-06-09  Richard Henderson  <rth@redhat.com>
648
649         * basic-block.h (struct edge_def): Add goto_locus.
650         * tree-cfg.c (make_goto_expr_edges): Set it.
651         (disband_implicit_edges): Use it.
652         * tree-pretty-print.c (dump_implicit_edges): Print it.
653
654 2004-06-08  Anil Paranjpe <anilp1@kpitcummins.com>
655
656         * h8300.md (ldm_h8300s_4): Fix condition for expander.
657
658 2004-06-08  Jason Merrill  <jason@redhat.com>
659
660         Gimplify VA_ARG_EXPR into simpler forms.
661         * target.h: Add gimplify_va_arg_expr hook.
662         * target-def.h: Add TARGET_GIMPLIFY_VA_ARG_EXPR.
663         * fold-const.c (build_fold_addr_expr)
664         (build_fold_addr_expr_with_type): Move from gimplify.c.
665         * tree.h: Declare them.
666         * gimplify.c (gimplify_and_add): New fn.
667         (build_addr_expr, build_addr_expr_with_type): Move to fold-const.c.
668         (gimplify_array_ref_to_plus, gimplify_modify_expr)
669         (gimplify_expr): Use build_fold_*.
670         (copy_if_shared_r): Only mark VA_ARG_EXPR volatile if we
671         don't know how to gimplify it.
672         * builtins.c (std_gimplify_va_arg_expr): New fn.
673         (dummy_object): New static fn.
674         (gimplify_va_arg_expr): New fn.
675         (stabilize_va_list): Use build_fold_*.
676         * tree-gimple.h: Declare new fns.
677         * config/i386/i386.c (TARGET_GIMPLIFY_VA_ARG_EXPR): Define.
678         (ix86_gimplify_va_arg): New fn.
679         * config/ia64/ia64.c (TARGET_GIMPLIFY_VA_ARG_EXPR): Define.
680         (ia64_gimplify_va_arg): New fn.
681         * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): New fn.
682         (TARGET_GIMPLIFY_VA_ARG_EXPR): Define.
683         * alias.c (get_varargs_alias_set): Just return 0 for now.
684
685         * c-objc-common.c (c_tree_printer): Improve handling of %T.
686
687 2004-06-09  Andrew Pinski  <pinskia@physics.uc.edu>
688
689         * tree-complex.c (expand_complex_comparison): Use fold_convert instead
690         of convert.
691         * tree-inline.c (setup_one_parameter): Likewise.
692         * tree-sra.c (csc_build_component_ref): Likewise.
693         * tree-ssa-ccp.c (ccp_fold): Likewise.
694         * tree-ssa-copy.c (cprop_operand): Likewise.
695         * tree-ssa-dom.c (simplify_rhs_and_lookup_avail_expr): Likewise.
696         * tree-tailcall.c (tree_optimize_tail_calls_1): Likewise.
697
698 2004-06-09  J"orn Rennecke <joern.rennecke@superh.com>
699
700         PR rtl-optimization/15521:
701         * sched-int.h (in_post_call_group_p): Change type to enum.
702         * sched-deps.c (sched_analyze_insn):
703         (sched_analyze): When in_post_call_group_p is post_call_initial,
704         don't add a dependency, but still set SCHED_GROUP_P and CANT_MOVE,
705         and also reset in_post_call_group_p to post_call.
706         (sched_analyze): When the previous basic block ended in a CALL_INSN,
707         initialize in_post_call_group_p as post_call_initial.
708         (init_deps): initialize in_post_call_group_p to not_post_call.
709
710 2004-06-09  Arnaud Charlet  <charlet@act-europe.fr>
711
712         PR ada/6637
713         * doc/install.texi: List ada, libada as options to --enable-shared
714
715 2004-06-09  Paolo Bonzini  <bonzini@gnu.org>
716
717         * aclocal.m4 (gcc_AC_PROG_LN): Remove.
718         (gcc_AC_CHECK_DECLS): Use AH_TEMPLATE to generate
719         config.in entries.
720         * configure.ac: Call ACX_PROG_LN, falling back to $LN_S
721         if hard links are not available.
722         * configure: Regenerate.
723         * config.in: Regenerate.
724
725 2004-06-08  Per Bothner  <per@bothner.com>
726
727         * configure.ac:  New --enable-mapped-location sets USE_MAPPED_LOCATION.
728
729 2004-06-08  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
730
731         * toplev.c (floor_log2_wide): Correct casts for 64-bit hosts.
732         Correct formatting.
733
734 2004-06-08  James E Wilson  <wilson@specifixinc.com>
735
736         PR target/15790
737         * config/i386/i386-coff.h (ASM_OUTPUT_ALIGN): Define.
738
739 2004-06-08  Andrew Pinski  <pinskia@physics.uc.edu>
740
741         * fold-const.c (fold_convert): Treat OFFSET_TYPE like
742         POINTER_TYPE and INTEGER_TYPE.
743
744 2004-06-08  Bernardo Innocenti  <bernie@develer.com>
745
746         * modulo-sched.c: Compile only when INSN_SCHEDULING is
747         defined.
748
749 2004-06-08  Jeff Law  <law@redhat.com>
750
751         * doc/contrib.texi: Add entries for Stefan Olsson and
752         Ola Ronnerup.
753
754 2004-06-08  DJ Delorie  <dj@redhat.com>
755
756         * toplev.c (floor_log2_wide): Replace loop with faster bit
757         operations.
758         (exact_log2_wide): Define in terms of the above.
759         * toplev.h (floor_log2): Use _builtin_clz family of builtins if
760         available.
761
762 2004-06-08  Andrew Pinski  <pinskia@physics.uc.edu>
763
764         * config/rs6000/rs6000.c (print_operand, <case 'z'>):
765         Make sure that we are in INDIRECT mode when getting the
766         stub name.
767
768 2004-06-08  Anil Paranjpe <anilp1@kpitcummins.com>
769
770         * h8300.md (extendqisi2_h8300): Add constraints.
771         (ldm_h8300s_4_normal): Fix typo.
772
773 2004-06-08  Richard Henderson  <rth@redhat.com>
774
775         * gimple-low.c (struct lower_data): Replace the_return_label and
776         one_return_stmt with return_statements.
777         (lower_function_body): Process the entire list of return_statements.
778         (lower_return_expr): Check source value before unifying return_exprs.
779         * gimplify.c (gimplify_return_expr): Force the use of a temporary
780         for !aggregate_value_p.
781         * tree-gimple.c: Update RETURN_EXPR grammer.
782
783 2004-06-08  Vladimir Makarov  <vmakarov@redhat.com>
784
785         PR target/15598
786         * config/ia64/ia64.c (bundling): Add missed TYPE_A.
787
788 2004-06-08  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
789
790         PR rtl-optimization/15717
791         * config/i386/i386.c (legitimate_constant_p): Do not allow
792         x - symbol_ref.
793
794 2004-06-08  Alexandre Oliva  <aoliva@redhat.com>
795
796         * gimplify.c (copy_if_shared_r): Revert:
797         2004-05-21  Richard Henderson  <rth@redhat.com>
798         * gimplify.c [...] Don't mark VA_ARG_EXPRs volatile here.
799
800 2004-06-07  Roger Sayle  <roger@eyesopen.com>
801
802         * expmed.c (add_cost, neg_cost, sdiv_pow2_cheap, smod_pow2_cheap):
803         Make arrays indexed by machine mode.  Rename negate_cost to neg_cost.
804         (init_expmed): Initialize these cost arrays as appropriate.
805         (store_bit_field, extract_bit_field): Correct whitespace.
806         (synth_mult, choose_mult_variant, expand_mult, expand_mult_highpart,
807         expand_mult_highpart_optab, expand_divmod): Update uses of add_cost,
808         neg_cost, sdiv_pow2_cheap, smod_pow2_cheap to index with mode,
809         word_mode or compute_mode as appropriate.
810
811 2004-06-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
812
813         PR target/15783
814         * config/sparc/sparc.c (function_arg_union_value): Add 'mode'
815         parameter.  Enumerate the registers inside the PARALLEL.
816         (function_arg): Adjust call to function_arg_union_value.
817         (function_value): Likewise.
818
819         * config/sparc/sparc.c (sparc_function_epilogue): Properly format.
820
821 2004-06-07  Roger Sayle  <roger@eyesopen.com>
822
823         * real.c (real_copysign): New function to implement libm's copysign.
824         * real.h (real_copysign): Prototype here.
825         * fold-const.c (tree_expr_nonnegative_p): The result of sqrt, sqrtf
826         and sqrtl can be negative, as sqrt(-0.0) = -0.0.  Correct whitespace.
827         * builtins.c (fold_builtin_isascii, fold_builtin_toascii,
828         fold_builtin_isdigit): Add function prototypes.
829         (fold_builtin_copysign): New function to fold copysign, copysignf
830         and copysignl.  Optimize copysign(x,x) as x.  Evaluate copysign of
831         constant arguments at compile-time using real_copysign.  Fold
832         copysign(X,Y) as fabs(X) if Y is always non-negative.
833         (fold_builtin_1): Correct minor whitespace/style issues.  Call
834         fold_builtin_copysign for BUILT_IN_COPYSIGN{,F,L}.
835
836 2004-06-07  J"orn Rennecke <joern.rennecke@superh.com>
837
838         * tree.c (iterative_hash_expr): Use real_hash.
839
840 2004-06-07  Joseph S. Myers  <jsm@polyomino.org.uk>
841
842         PR c/14765
843         * c-parse.in (compstmt_primary_start): Set last_expr_type to
844         NULL_TREE.
845
846 2004-06-07  Mark Mitchell  <mark@codesourcery.com>
847
848         PR c++/15815
849         * doc/extend.texi: Deprecate #pragma interface and #pragma
850         implementation.
851
852 2004-06-07  Alexandre Oliva  <aoliva@redhat.com>
853
854         PR middle-end/15666
855         * c-decl.c (finish_decl): Use change_decl_assembler_name for the
856         builtin decl as well.
857
858 2004-06-07  Roger Sayle  <roger@eyesopen.com>
859
860         PR c/14649
861         * c-typeck.c (require_constant_value, require_constant_elements):
862         Move declarations to the top of the file.
863         (build_function_call): If we require a constant value, fold with
864         fold_initializer.  If the result is a constant, and the function
865         wasn't called using __builtin_foo, issue a pedantic warning.
866         (build_unary_op): If we require a constant value, fold tree with
867         fold_initializer.
868         (build_binary_op): Use require_constant_value to determine whether
869         to call fold or fold_initializer.
870
871 2004-06-07  Richard Henderson  <rth@redhat.com>
872
873         * gimple-low.c (struct lower_data): Add the_return_label and
874         one_return_stmt.
875         (lower_function_body): Initialize and use them.
876         (lower_return_expr): New.
877         (lower_stmt): Call it.
878         * gimplify.c (gimplify_return_expr): Force the argument to be either
879         null or a result_decl.
880         * tree-gimple.c: Update gimple grammer to match.
881         * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Deny
882         coalescing of result_decls.
883
884 2004-06-07  Richard Henderson  <rth@redhat.com>
885
886         PR rtl-opt/15193
887         * expmed.c (extract_bit_field): Fix vector_extract return.
888
889         * config/i386/i386.md (negv4sf2): New pattern.
890
891 2004-06-07  Mark Mitchell  <mark@codesourcery.com>
892
893         PR c++/15337
894         * c-common.c (c_sizeof_or_alignof_type): Use more detailed error
895         message.
896
897 2004-06-06  Paolo Bonzini  <bonzini@gnu.org>
898
899         * config.in: Regenerate.
900
901 2004-06-06  Steven Bosscher  <stevenb@suse.de>
902
903         * tree-cfg.c (tree_verify_flow_info): Make sure that labels in
904         SWITCH_LABELS are always sorted.
905
906 2004-06-06  Steven Bosscher  <stevenb@suse.de>
907
908         * hooks.c (hook_int_void_1): New generic hook.
909         * hooks.h (hook_int_void_1): Add prototype.
910         * config/c4x/c4x.c (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE):
911         Define to hook_int_void_1.
912         * config/c4x/c4x.md: Replace dummies for the old pipeline model
913         with dummies for the new one.
914
915 2004-06-06  Roger Sayle  <roger@eyesopen.com>
916
917         * tree.h (lvalue_or_else): Delete function prototype.
918         * c-typeck.c (lvalue_or_else): Make static.  Add static prototype.
919
920 2004-06-06  Stephane Carrez  <stcarrez@nerim.fr>
921
922         PR target/14542
923         * config/m68hc11/m68hc11.md (move peephole2): Emit a use note to avoid
924         a live change of a register after peephole replacement.
925
926 2004-06-06  Joseph S. Myers  <jsm@polyomino.org.uk>
927
928         PR c/13519
929         * c-typeck.c (composite_type, common_pointer_type): New functions.
930         (common_type): Split parts into composite_type and
931         common_pointer_type.  Ensure that arithmetic operations return
932         unqualified types without attributes.  Don't make composite type
933         of signed enum and compatible integer be unsigned.
934         (build_conditional_expr, build_binary_op): Use
935         common_pointer_type.
936         * c-decl.c (merge_decls): Use composite_type.
937         * c-tree.h (composite_type): Declare.
938
939 2004-06-06  Stephane Carrez  <stcarrez@nerim.fr>
940
941         PR target/14457
942         * config/m68hc11/m68hc11.c (splitable_operand): New predicate.
943         * config/m68hc11/m68hc11-protos.h (splitable_operand): Declare.
944         * config/m68hc11/m68hc11.h (PREDICATE_CODES): Register it.
945         (inhibit_libc): Must define.
946         * config/m68hc11/m68hc11.md ("movhi_const0"): Use splitable_operand.
947         ("*andhi3_gen", "iorhi3", "*iorhi3_gen"): Likewise.
948         ("xorhi3"): Likewise.
949
950 2004-06-06  Eric Botcazou  <ebotcazou@libertysurf.fr>
951
952         * cgraphunit.c (cgraph_decide_inlining): Adjust dump lines in
953         always_inline pass.
954
955 2004-06-05  David S. Miller  <davem@nuts.davemloft.net>
956
957         * config/sparc/linux.h (TARGET_C99_FUNCTIONS): Set.
958         * config/sparc/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
959
960 2004-06-05  Bernardo Innocenti  <bernie@develer.com>
961
962         * regclass.c (init_reg_sets): Check for missing registers in target
963         initializer macros FIXED_REGISTERS and CALL_USED_REGISTERS.
964
965 2004-06-05  Zack Weinberg  <zack@codesourcery.com>
966
967         * Makefile.in (MKDEPS_H): New shorthand.
968         (c-opts.o): Update dependencies.
969         * c-opts.c: Include mkdeps.h.
970         (handle_deferred_opts): Use cpp_get_deps and deps_add_target,
971         not cpp_add_dependency_target.
972
973 2004-06-05  Steven Bosscher  <stevenb@suse.de>
974
975         * config/v850/v850.c (v850_use_dfa_pipeline_interface): New.
976         * config/v850/v850.md: Convert to DFA scheduler description.
977
978 2004-06-05  Tobias Schlueter  <tobias.schlueter@physik.uni-muenchen.de>
979
980         PR fortran/15478
981         * doc/install.texi: Document GMP as prerequisite. Document
982         --with-gmp and --with-gmp-dir configure options.
983         * fortran/gfortran.texi: Remove section "Compiling and testing",
984         remove TOC reference to it.
985
986 2004-06-05  Graham Stott  <graham.stott@btinternet.com>
987
988         * combine.c(simplify_shift_const): Check shift amount is a
989         CONST_INT.
990
991 2004-06-05  Danny Smith  <dannysmith@users.sourceforge.net>
992
993         * toplev.c (init_asm_output): Add explicit 'b' to mode when
994         opening asm_out_file.
995         * c-pch.c (c_common_write_pch): Remove unnecessary fflush before
996         reading asm_out_file. Replace fflush after reading asm_out_file
997         with fseek.
998         * hosthooks-def.h (HOST_HOOKS_GT_PCH_ALLOC_GRANULARITY): Define
999         default and add to HOST_HOOKS_INITIALIZER.
1000         * hosthooks.h (gt_pch_alloc_granularity): Declare hook function.
1001         * ggc-common.c (default_gt_pch_alloc_granularity): New function.
1002         (gt_pch_save): Use host_hooks.gt_pch_alloc_granularity
1003         to set mmi.offset padding.
1004          * config.gcc (i[34567]86-*-mingw32*): Set target_gtfiles to
1005         $(srcdir)/config/i386/winnt.c.
1006         (i[34567]86-*-pe | i[34567]86-*-cygwin*): Likewise.
1007         (i[34567]86-*-uwin*): Likewise.
1008         *i[34567]86-*-interix3*): Likewise.
1009         * config.host (i[34567]86-*-mingw32*): Set out_host_hook_obj.
1010         * config/i386/host-mingw32.c: New file.
1011         * config/i386/x-mingw32: Add rule for host-mingw32.o.
1012         * config/i386/winnt.c: (struct extern_list) Tag as GTY.
1013         (extern_head): Likewise.
1014         (struct export_list) Likewise.
1015         (export_head): Likewise.
1016         (i386_pe_record_external_function): Use ggc_alloc.
1017         (i386_pe_record_exported_symbol): Likewise.
1018         Include "gt-winnt.h" at end.
1019         * doc/hostconfig.texi: Document
1020         HOST_HOOKS_GT_PCH_ALLOC_GRANULARITY.
1021
1022 2004-06-04  Bernardo Innocenti  <bernie@develer.com>
1023
1024         * config/m68k/m68k.h: Remove comments copied over from tm.texi.
1025         Rename 68000 and 68k to m68k for consistency in comments.  Remove
1026         trailing whitespace before EOLs and before TABs.
1027         (MAX_CODE_ALIGN): Remove unused macro.
1028         (CALL_USED_REGISTERS): Reformat and add comments.
1029
1030 2004-06-04  Frank Ch. Eigler  <fche@redhat.com>
1031
1032         * gcc.c (MFLIB_SPEC): Remove library references, to require users
1033         to enumerate -lmudflap* and dependencies when linking.
1034
1035 2004-06-04  Paolo Bonzini  <bonzini@gnu.org>
1036
1037         PR target/15822
1038         * dojump.c (do_jump): Fix uninitialized variable tcode1.
1039
1040 2004-06-04  Jerry Quinn  <jlquinn@optonline.net>
1041
1042         * Makefile.in (insn-conditions.o): Back out removal of reload.h.
1043         * genconditions.c (write_header): Back out removal of reload.h.
1044
1045 2004-06-04  Jan Hubicka  <jh@suse.cz>
1046
1047         Re-apply hopefully fixed patch:
1048         * i386.md (UNSPECV_EH_RETURN): Kill.
1049         (eh_return): Use jump_insn.
1050         (eh_return_si, eh_return_di): Change pattern to jump instruction.
1051
1052 2004-06-04  Jeff Law  <law@redhat.com>
1053
1054         * cfgrtl.c (try_redirect_by_replacing_jump): Fix return value.
1055
1056 2004-06-04  Steven Bosscher  <stevenb@suse.de>
1057
1058         * except.c (for_each_eh_region): New function.
1059         * except.h (for_each_eh_region): Add a prototype for it.
1060         * tree-cfg.c (update_eh_labels): New function, callback for
1061         for_each_eh_region.
1062         (label_for_bb): Make global static, unfortunately.
1063         (cleanup_dead_labels): Also update label references for
1064         exception regions.
1065
1066 2004-06-03  Chris Demetriou  <cgd@broadcom.com>
1067
1068         * config/mips/mips.c (struct irix_section_align_entry): Fix
1069         GTY marker.
1070
1071 2004-06-03  Geoffrey Keating  <geoffk@apple.com>
1072
1073         * toplev.c (check_global_declarations): Don't ask for
1074         DECL_ASSEMBLER_NAME unless the function really is declared
1075         static and not defined.
1076
1077 2004-06-03  Matt Austern  <austern@apple.com>
1078
1079         PR c++/15428
1080         * default.h (TARGET_WEAK_NOT_IN_ARCHIVE_TOC): New name
1081         for TARGET_EXPLICIT_INSTANTIATIONS_ONE_ONLY, with reversed sense.
1082         * config/darwin.h (TARGET_WEAK_NOT_IN_ARCHIVE_TOC): Likewise.
1083         * doc/tm.texi (TARGET_WEAK_NOT_IN_ARCHIVE_TOC): Rewrite
1084         documentation to reflect the new macro name and to clarify its
1085         meaning.
1086
1087 2004-06-03  Steven Bosscher  <stevenb@suse.de>
1088
1089         * rtl.def (VAR_LOCATION): Make RTX_EXTRA.
1090
1091 2004-06-03  Andrew Pinski  <pinskia@physics.uc.edu>
1092
1093         * config/darwin.c (machopic_indirect_data_reference): Copy
1094         the SYMBOL_REF_DECL from the original RTX for the new
1095         non-lazy pointer RTX.
1096
1097 2004-06-03  Mark G. Adams  <mark.g.adams@sympatico.ca>
1098
1099         * tree.h: Remove include of version.h
1100         * c-cppbuiltin.c: Include version.h
1101         * diagnostic.c: Include version.h
1102         * dwarf2out.c: Include version.h
1103         * toplev.c: Include version.h
1104         * vmsdbgout.c: Include version.h
1105         * Makefile.in: Remove dependency on version.h from TREE_H, and
1106         add dependencies to required .o targets
1107
1108 2004-06-03  Jerry Quinn  <jlquinn@optonline.net>
1109
1110         * Makefile.in (RA_H, RESOURCE_H, SCHED_INT_H, CFGLAYOUT_H,
1111         CFGLOOP_H, DF_H, DDG_H, TREE_SSA_LIVE_H): New.
1112         (TARGET_H): Add insn-modes.h.
1113         (tree-ssa.o, tree-cfg.o, tree-ssa-loop.o, toplev.o, passes.o,
1114         loop.o, loop-doloop.o, unroll.o, cfgloop.o, cfgloopanal.o,
1115         loop-iv.o, cfgloopmanip.o, loop-init.o, loop-unswitch.o,
1116         loop-unroll.o, ddg.o, modulo-sched.o, predict.o,
1117         cfglayout.o, ifcvt.o): Replace cfgloop.h with CFGLOOP_H.
1118         (toplev.o, passes.o, cfghooks.o, cfgloopmanip.o, loop-init.o,
1119         loop-unswitch.o, loop-unroll.o, ddg.o, modulo-sched.o,
1120         bb-reorder.o, tracer.o, cfglayout.o): Replace cfglayout.h with
1121         CFGLAYOUT_H.
1122         (ra.o, ra-build.o, ra-colorize.o, ra-debug.o, ra-rewrite.o):
1123         Replace ra.h with RA_H.
1124         (resource.o, regrename.o, insn-conditions.o, insn-emit.o,
1125         insn-recog.o): Replace resource.h with RESOURCE_H.
1126         (ddg.o, modulo-sched.o, haifa-sched.o, sched-deps.o, sched-rgn.o,
1127         sched-ebb.o, sched-vis.o, out_object_file):  Replace sched-int.h
1128         with SCHED_INT_H.
1129         (web.o, lcm.o, df.o, ra.o, ra-build.o, ra-colorize.o, ra-debug.o,
1130         ra-rewrite.o): Replace df.h with DF_H.
1131         (ddg.o, modulo-sched.o): Replace ddf.h with DDG_H.
1132         (tree-outof-ssa.o, tree-ssa-live.o, tree-ssa-copyrename.o):
1133         Replace tree-ssa-live.h with TREE_SSA_LIVE_H.
1134         (insn-conditions.o): Remove unused reload.h.
1135         * cfglayout.h: Add include guard.  Include basic-block.h.
1136         * cfgloop.h: Add include guard.  Include basic-block.h, rtl.h.
1137         * ddg.h: Include sbitmap.h, basic-block.h, df.h.
1138         * df.h: Add include guard.  Include bitmap.h, sbitmap.h,
1139         basic-block.h.
1140         * genconditions.c:  Remove reload.h.
1141         * ra.h: Add include guard.  Include bitmap.h, sbitmap.h,
1142         hard-reg-set.h, insn-modes.h.
1143         * resource.h: Add include guard.  Include hard-reg-set.h.
1144         * sched-int.h:  Add include guard.  Include insn-attr.h,
1145         basic-block.h, rtl.h.
1146         * target.h: Add include guard.  Include insn-modes.h.
1147         * tree-ssa-live.h: Include partition.h.
1148
1149 2004-06-03  Daniel Berlin  <dberlin@dberlin.org>
1150                 Kenneth Zadeck <zadeck@naturalbridge.com>
1151
1152         * tree-ssa-ccp.c (varying_ssa_edges): New worklist.
1153         (add_var_to_ssa_edges_worklist): Add value argument.
1154         Update callers.
1155         Use new worklist.
1156         (process_ssa_edge_worklist): New function.
1157         (tree_ssa_ccp): Move worklist processing core to
1158         process_ssa_edge_worklist, and just call that for the two worklists.
1159
1160 2004-06-03  Steven Bosscher  <stevenb@suse.de>
1161
1162         * basic-block.c (tail_recursion_label_list): Don't declare.
1163         (CLEANUP_PRE_SIBCALL): Remove.  Renumber the other CLEANUP_*
1164         accordingly.
1165         * cfgbuild.c (find_label_refs): Remove.
1166         (find_basic_blocks_1): Don't handle CALL_PLACEHOLDER insns.
1167         * cfgcleanup.c (tail_recursion_label_p): Remove.
1168         (merge_blocks_move): Do not check for tail recursion.
1169         (try_optimize_cfg): Likewise.
1170         (cleanup_cfg): Never handle CLEANUP_PRE_SIBCALL.
1171         * cfgrtl.c (tail_recursion_label_list): Remove.
1172         * except.c (remove_unreachable_regions): Don't handle
1173         CALL_PLACEHOLDER insns.
1174         (convert_from_eh_region_ranges_1, can_throw_internal,
1175         can_throw_external): Likewise.
1176         * function.c (free_after_compilation): Don't clear
1177         x_tail_recursion_label.
1178         (fixup_var_refs_insns): Don't handle CALL_PLACEHOLDER insns.
1179         (identify_blocks_1): Don't recurse for CALL_PLACEHOLDER insns.
1180         (reorder_blocks_1): Likewise.
1181         * function.h (struct function): Remove x_tail_recursion_label
1182         member.  Don't define tail_recursion_label.
1183         * jump.c (mark_all_labels): Don't handle CALL_PLACEHOLDER insns.
1184         * print-rtl.c (print_rtx): Likewise.
1185         * rtl.def (CALL_PLACEHOLDER): Remove.
1186         * rtl.h (sibcall_use_t): Remove enum.
1187         (optimize_sibling_and_tail_recursive_calls,
1188         replace_call_placeholder): Remove function prototypes.
1189         * stmt.c (tail_recursion_args): Remove.
1190         (optimize_tail_recursion): Remove.
1191         (expand_return): Don't check for possible tail recursion.
1192         * tree.h (optimize_tail_recursion): Remove prototype.
1193
1194 2004-06-02  Jan Hubicka  <jh@suse.cz>
1195
1196         * tree-cfg.c (tree_find_edge_insert_loc):  Allow inserting before
1197         return_stmt.
1198
1199 2004-06-02  Jason Merrill  <jason@redhat.com>
1200
1201         * Makefile.in (TAGS): Don't mess with c-parse.[ch].
1202         Do include c-parse.in.
1203
1204 2004-06-02  Eric Christopher  <echristo@redhat.com>
1205
1206         * c-typeck.c (common_type): Don't lose type qualifiers
1207         when creating new variants.
1208
1209 2004-06-02  Andrew Pinski  <pinskia@physics.uc.edu>
1210
1211         PR tree-optimization/14042
1212         PR tree-optimization/14729
1213         PR tree-optimization/14736
1214         * tree-ssa.c (tree_ssa_useless_type_conversion_1):
1215         Check the type which the pointer points to
1216         instead of the pointer types.
1217
1218 2004-06-02  Kazu Hirata  <kazu@cs.umass.edu>
1219
1220         PR tree-optimization/15738.
1221         * builtins.c (fold_builtin_strchr): Transform
1222         strrchr (s, '\0') to strchr (s, '\0').
1223
1224 2004-06-02  Steven Bosscher  <stevenb@suse.de>
1225
1226         * i386.c (ix86_adjust_cost): Don't increase the cost for
1227         load+operation for PROCESSOR_PENTIUMPRO, it is already
1228         modelled in the DFA description
1229
1230 2004-06-01  Jerry Quinn  <jlquinn@optonline.net>
1231
1232         * Makefile.in (EXPR_H): Add insn-config.h, function.h,
1233         $(RTL_H), flags.h, $(TREE_H), $(MACHMODE_H), $(EXPR_H).
1234         (ALIAS_H, EMIT_RTL_H): New.
1235         (cselib.o): Replace EXPR_H with EMIT_RTL_H.
1236         (cfgcleanup.o): Add EMIT_RTL_H.
1237         (alias.o): Replace EXPR_H with EMIT_RTL_H and ALIAS_H.
1238         * alias.c: Replace expr.h with emit-rtl.h and alias.h.
1239         * attribs.c, c-lex.c, c-obj-common.c, c-semantics.c: Remove expr.h.
1240         * cfgcleanup.c, cselib.c: Replace expr.h with emit-rtl.h.
1241         * expr.h: Add include guard.  Include function.h, rtl.h, flags.h,
1242         tree.h, machmode.h, insn-config.h, alias.h, emit-rtl.h.
1243         (get_varargs_alias_set, get_frame_alias_set, record_base_value,
1244         record_alias_subset, new_alias_set, can_address_p): Move to alias.h.
1245         (set_mem_alias_set, set_mem_align, set_mem_expr, set_mem_offset,
1246         set_mem_size): Move to emit-rtl.h.
1247         * emit-rtl.h: New.
1248         * alias.h: New.
1249
1250 2004-06-01  Eric Botcazou  <ebotcazou@act-europe.fr>
1251
1252         * function.c (walk_fixup_memory_subreg): New parameter 'var'.
1253         Call fixup_memory_subreg only if the MEM is equal to 'var'.
1254         Adjust recursive calls to self.
1255         (fixup_var_refs_insn): Pass 'var' to walk_fixup_memory_subreg.
1256
1257 2004-06-01  Richard Henderson  <rth@redhat.com>
1258             Andrew Pinski  <pinskia@physics.uc.edu>
1259
1260         * c-parse.in (OFFSETOF, offsetof_member_designator): New.
1261         (primary): Handle offsetof.  Add error productions for faux functions.
1262         Move component_ref objc checking to build_component_ref.
1263         (reswords): Add offsetof.
1264         (rid_to_yy): Add offsetof.
1265         * c-tree.h (build_offsetof): Declare.
1266         * c-common.h (objc_is_public): Declare.
1267         * c-typeck.c (build_component_ref): Check objc_is_public.
1268         (build_offsetof): New.
1269         * stub-objc.c (objc_is_public): New.
1270         * objc/objc-act.c, objc/objc-act.h (objc_is_public): Rename
1271         from is_public.
1272         * ginclude/stddef.h (offsetof): Use __builtin_offsetof.
1273         * doc/extend.texi (Offsetof): Move from C++ section to C section
1274         and rewrite for __builtin_offsetof.
1275
1276 2004-06-01  Peter Barada  <peter@the-baradas.com>
1277             Peter Jakubek  <peter@laseranimation.com>
1278
1279         * config/m68k/m68k.c(m68k_output_mi_thunk):  For ColdFire, use %d0 as
1280         a scratch to perform an add to memory.
1281
1282 2004-06-01  Bernardo Innocenti  <bernie@develer.com>
1283
1284         PR target/14018
1285         * config/m68k/m68k.c (m68k_align_loops_string, m68k_align_jumps_string,
1286         m68k_align_funcs_string, m68k_align_loops, m68k_align_jumps,
1287         m68k_align_funcs): Remove.
1288         (override_options): Remove code to handle -malign-* options.
1289         * config/m68k/m68k.h (TARGET_OPTIONS): Remove -malign-* options.
1290         (FUNCTION_BOUNDARY, LOOP_ALIGN, LOOP_ALIGN_AFTER_BARRIER): Remove.
1291         (m68k_align_loops_string, m68k_align_jumps_string,
1292         m68k_align_funcs_string, m68k_align_loops, m68k_align_jumps,
1293         m68k_align_funcs): Remove definitions.
1294
1295 2004-06-01  Paul Eggert  <eggert@cs.ucla.edu>
1296
1297         PR target/15626
1298         * doc/install.texi (sparc-sun-solaris2*): Document messages issued
1299         by the Sun linker in conjunction with the Sun assembler.
1300         (sparc-sun-solaris2.7): Update revision info for Sun patch 106950.
1301
1302 2004-06-01  Jeff Law  <law@redhat.com>
1303
1304         * stmt.c (expand_decl): Be more selective about calling
1305         mark_reg_pointer.
1306
1307 2004-06-01  Nicola Pero  <nicola@brainstorm.co.uk>
1308
1309         PR objc/7993
1310         * objc-act.c (is_private): Do not emit the 'instance variable %s
1311         is declared private' error.
1312         (is_public): Emit the error after calling is_private.
1313         (lookup_objc_ivar): If the instance variable is private, return 0
1314         - the instance variable is invisible here.
1315
1316 2004-06-01  Eric Botcazou  <ebotcazou@libertysurf.fr>
1317
1318         * doc/invoke.texi (-static-libgcc): Explicitly mention
1319         non-GNU linkers.
1320
1321 2004-06-01  Bernardo Innocenti  <bernie@develer.com>
1322
1323         PR target/12968
1324         * doc/invoke.texi: Document stack alignment side-effect of -mshort.
1325
1326 2004-05-31  Joseph S. Myers  <jsm@polyomino.org.uk>
1327
1328         PR c/15749
1329         * c-decl.c (grokdeclarator, finish_struct): Don't pedwarn for
1330         misuses of structures with flexible array members if
1331         in_system_header.
1332
1333 2004-05-31  Eric Botcazou  <ebotcazou@libertysurf.fr>
1334
1335         PR target/15693
1336         * config/sparc/sparc.c (compare_operand): New predicate.
1337         * config/sparc/sparc.h (PREDICATE_CODES): Add it.
1338         * config/sparc/sparc.md (cmpsi expander): Use it.  If the first
1339         operand is a ZERO_EXTRACT and the second operand is not zero,
1340         force the former to a register.
1341         (cmpdi expander): Likewise.
1342
1343 2004-05-31  Geoffrey Keating  <geoffk@apple.com>
1344
1345         * gengtype-lex.l: Catch stray GTY markers in the files gengtype
1346         looks at.
1347         * alias.c (alias_invariant_size): Make alias_invariant_size
1348         static, fix GTY marker.
1349
1350 2004-05-31  Kazu Hirata  <kazu@cs.umass.edu>
1351
1352         PR tree-optimization/15743.
1353         * builtins.c (fold_builtin_1): Fold index() and rindex().
1354
1355 2004-05-31  Roger Sayle  <roger@eyesopen.com>
1356
1357         PR middle-end/15069
1358         * fold-const.c (fold_single_bit_test): Only perform "(X & C) != 0"
1359         into "X < 0" (where C is the signbit) if X's type is a full mode.
1360
1361 2004-05-31  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1362
1363         * pa.md: Disable the peephole2 patterns that generate indexed
1364         floating-point stores when indexing is disabled.
1365
1366 2004-05-31  Gabriel Dos Reis  <gdr@integrable-solutions.net>
1367
1368         * c-pretty-print.c (pp_c_left_bracket): Make a function.
1369         (pp_c_right_bracket): Likewise.
1370         (pp_c_star): Likewise.
1371         (pp_c_ampersand): Define.
1372         * c-pretty-print.h (pp_c_left_bracket): Declare.
1373         (pp_c_right_bracket): Likewise.
1374         (pp_c_star): Likewise.
1375         (pp_c_ampersand): Likewise.
1376
1377 2004-05-31  Eric Botcazou  <ebotcazou@libertysurf.fr>
1378
1379         * config/sol2.h (__enable_execute_stack): ANSIfy function
1380         definition.
1381
1382 2004-05-31  Danny Smith  <dannysmith@users.sourceforge.net>
1383
1384         * c-incpath.c (add_path): Canonicalize paths to use '/' if
1385         HAVE_DOS_BASED_FILESYSTEM.
1386
1387 2004-05-31  Steven Bosscher  <stevenb@suse.de>
1388
1389         * tree-ssa-dom.c (record_equivalences_from_incoming_edge):
1390         Only look at case labels if the immediate dominator is also
1391         the only predecessor.  Don't look for more case labels if the
1392         first seen is a case range.
1393
1394 2004-05-31  Kazu Hirata  <kazu@cs.umass.edu>
1395
1396         * builtins.c: Add a prototype for fold_builtin_strchr().
1397
1398 2004-05-31  Paolo Bonzini  <bonzini@gnu.org>
1399
1400         Revert this patch:
1401         2004-05-27  Paolo Bonzini  <bonzini@gnu.org>
1402
1403         * combine.c (gen_binary): Remove.
1404         (known_cond, simplify_shift_const
1405         find_split_point, combine_simplify_rtx,
1406         simplify_if_then_else, simplify_set,
1407         simplify_logical, expand_field_assignment,
1408         extract_left_shift, force_to_mode,
1409         if_then_else_cond, apply_distributive_law,
1410         simplify_and_const_int, simplify_shift_const,
1411         gen_lowpart_for_combine, simplify_comparison,
1412         reversed_comparison): Replace with
1413         simplify_gen_binary, simplify_gen_relational or
1414         distribute_and_simplify_rtx.
1415         (distribute_and_simplify_rtx): New function.
1416
1417 2004-05-30  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1418
1419         * pa.c (emit_move_sequence): Fix loading of non 14-bit CONST operands
1420         when generating PIC code.
1421
1422 2004-05-30  Andrew Pinski  <pinskia@physics.uc.edu>
1423
1424         * c-decl.c (c_expand_body_1): Remove and fold back into ...
1425         (c_expand_body): here.
1426         (c_expand_decl): Move to ...
1427         * c-common.c (c_expand_decl): Here and remove check for nested
1428         functions.
1429         * c-common.h (c_expand_decl): Add prototype.
1430         * c-tree.h (c_expand_decl): Remove.
1431
1432 2004-05-30  Roger Sayle  <roger@eyesopen.com>
1433
1434         * fold-const.c (combine_comparisons, optimize_bit_field_compare,
1435         range_binop, fold_truthop, fold_binary_op_with_conditional_arg,
1436         fold_mathfn_compare, fold_inf_compare, fold,
1437         fold_relational_hi_lo, nondestructive_fold_binary_to_constant):
1438         Use constant_boolean_node where appropriate.  Don't bother using
1439         fold_convert on the second argument to omit_one_operand.
1440
1441 2004-05-30  Roger Sayle  <roger@eyesopen.com>
1442
1443         * doc/c-tree.texi (Expressions): Document FLOOR_DIV_EXPR,
1444         CEIL_DIV_EXPR, ROUND_DIV_EXPR, FLOOR_MOD_EXPR, CEIL_MOD_EXPR,
1445         ROUND_MOD_EXPR, EXACT_DIV_EXPR.  Improve documentation of
1446         TRUNC_DIV_EXPR, TRUNC_MOD_EXPR and comparison operations.
1447         Add missing (but documented) tree nodes to the index.
1448
1449 2004-05-30  Steven Bosscher  <stevenb@suse.de>
1450
1451         PR tree-optimization/14819
1452         * builtins.c (fold_builtin_strchr): New.
1453         (fold_builtin_1): Handle BUILT_IN_STRCHR and BUILT_IN_STRRCHR
1454         with fold_builtin_strchr().
1455
1456 2004-05-30  Kazu Hirata  <kazu@cs.umass.edu>
1457
1458         * bb-reorder.c, builtins.c, c-common.c, c-gimplify.c,
1459         c-incpath.c, cgraphunit.c, ddg.c, defaults.h, dwarf2out.c,
1460         expmed.c, flags.h, gcc.c, gensupport.c, gimplify.c, global.c,
1461         passes.c, reg-stack.c, target.h, toplev.c, tree-alias-ander.c,
1462         tree-alias-common.c, tree-cfg.c, tree-complex.c, tree-dfa.c,
1463         tree-eh.c, tree-mudflap.c, tree-mudflap.h, tree-outof-ssa.c,
1464         tree-phinodes.c, tree-pretty-print.c, tree-ssa-alias.c,
1465         tree-ssa-ccp.c, tree-ssa-live.c, tree-ssa-live.h,
1466         tree-ssa-pre.c, tree.h, value-prof.h, varasm.c: Fix comment
1467         formatting.
1468
1469 2004-05-30  Steven Bosscher  <stevenb@suse.de>
1470
1471         * gimplify.c (sort_case_labels): New.  Split out from...
1472         (gimplify_switch_expr): ...here.  Use it.
1473         * tree-eh.c (lower_try_finally_switch): Sort the labels of
1474         the SWITCH_EXPR created here before leaving the function.
1475         * tree.c (sort_case_labels): Add prototype.
1476
1477 2004-05-30  Andrew Pinski  <pinskia@physics.uc.edu>
1478
1479         * fold-const.c (fold) [case TRUTH_NOT_EXPR]: Make sure the type is
1480         of BOOLEAN_TYPE.
1481
1482 2004-05-30  Kazu Hirata  <kazu@cs.umass.edu>
1483
1484         * c-common.c, calls.c, cfgcleanup.c, cgraph.c, cgraphunit.c,
1485         ddg.c, ddg.h, df.c, df.h, except.c, expr.c, flags.h,
1486         fold-const.c, gcc.c, gimplify.c, haifa-sched.c,
1487         modulo-sched.c, tree-inline.c, tree-into-ssa.c, tree-nested.c,
1488         tree-nrv.c, tree-ssa-ccp.c, tree-ssa-dom.c, tree-ssa-live.c,
1489         tree-ssa-loop.c, tree-ssa-pre.c, tree-tailcall.c, tree.h: Fix
1490         comment typos.  Follow spelling conventions.
1491
1492 2004-05-29  Geoffrey Keating  <geoffk@apple.com>
1493
1494         * gengtype-yacc.y: Add NESTED_PTR token.
1495         (option): Record `nested_ptr' option.
1496         * gengtype-lex.l: Handle `nested_ptr' keyword.
1497         * gengtype.c (walk_type): Process `nested_ptr' option.
1498         * gengtype.h (struct nested_ptr_data): New.
1499         * doc/gty.texi (GTY Options): Document `nested_ptr' option.
1500         * stringpool.c (struct string_pool_data): Make 'entries' point to
1501         ht_identifier instead of tree.
1502         (gt_pch_save_stringpool): Don't adjust pointers.
1503         (gt_pch_restore_stringpool): Call ht_load.
1504
1505 2004-05-29  Jason Merrill  <jason@redhat.com>
1506
1507         * gimplify.c (gimplify_expr): Don't build a statement list
1508         if no gimplification was necessary.
1509
1510 2004-05-29  Joseph S. Myers  <jsm@polyomino.org.uk>
1511
1512         * pretty-print.c (pp_base_format_text): Support %< instead of %`
1513         and %> as well as %'.
1514         * c-format.c: Use %< and %>.
1515         (gcc_diag_char_table, gcc_cdiag_char_table,
1516         gcc_cxxdiag_char_table): Update.
1517
1518 2004-05-29  Joseph S. Myers  <jsm@polyomino.org.uk>
1519
1520         * c-typeck.c (common_type): Correct comment.
1521
1522 2004-05-29  Peter Barada  <peter@the-baradas.com>
1523
1524         * config/m68k/m68k.c (CONST_METHOD): Add MVZ, MVS.
1525         * config/m68k/m68k.c (const_method): Likewise.
1526         * config/m68k/m68k.c (const_int_cost): Likewise.
1527         * config/m68k/m68k.c (const_int_cost): Likewise.
1528         * config/m68k/m68k.c (output_move_const_into_data_reg): Likewise.
1529
1530 2004-05-29  Peter Barada  <peter@the-baradas.com>
1531
1532         * config/m68k/m68k.h (EXTRA_CONSTRAINT): add 'U' for register offset
1533         addressing.
1534         * config/m68k/m68k.md: Add 'U,U' alternative to ColdFire variants of
1535         movsi,movhi,movqi insn patterns.
1536
1537 2005-05-28  Andrew Pinski  <pinskia@physics.uc.edu>
1538
1539         * c-semantics.c (emit_local_var): Remove code for DECL_INITIAL.
1540
1541         PR target/15720
1542         * config/darwin.c (machopic_indirect_call_target): Copy
1543         the SYMBOL_REF_DECL from the original RTX for the new
1544         stub RTX.
1545
1546 2004-05-28  DJ Delorie  <dj@redhat.com>
1547
1548         * stor-layout.c (place_field): Revert erroneous commit.
1549
1550 2004-05-28  Ziemowit Laski  <zlaski@apple.com>
1551
1552         * config/rs6000/altivec.h (vec_ctf, vec_vcfsx, vec_vcfux, vec_cts,
1553         vec_ctu, vec_dss, vec_dst, vec_dstst, vec_dststt, vec_dstt, vec_ld,
1554         vec_ldl, vec_lvsl, vec_lvsr, vec_sld, vec_splat, vec_vspltw,
1555         vec_vsplth, vec_vspltb, vec_splat_s8, vec_splat_s16, vec_splat_s32,
1556         vec_splat_u8, vec_splat_u16, vec_splat_u32, vec_st, vec_stl,
1557         vec_ste): Remove type checks for integral parameters and literals
1558         from '..._args_eq' macros.
1559
1560 2004-05-28  Aldy Hernandez  <aldyh@redhat.com>
1561
1562         * c-common.c (fname_as_string): Fix xcalloc to xmalloc.
1563
1564 2004-05-28  Aldy Hernandez  <aldyh@redhat.com>
1565
1566         * testsuite/g++.dg/charset/function.cc: New.
1567
1568         * testsuite/gcc.dg/charset/function.c: New.
1569
1570         * c-decl.c (c_make_fname_decl): Free return value from
1571         fname_as_string.
1572
1573         * cp/decl.c (cp_make_fname_decl): Free return value from
1574         fname_as_string.
1575
1576         * c-common.c (fname_as_string): Translate if necessary.
1577
1578 2004-05-28  Geoffrey Keating  <geoffk@apple.com>
1579
1580         * stringpool.c: Add comments to PCH saving/restoring routines.
1581
1582 2004-05-28  Andrew Pinski  <pinskia@physics.uc.edu>
1583
1584         * c-common.c (c_estimate_num_insns_1): Kill.
1585         (c_estimate_num_insns): Kill.
1586         * c-common.h (c_estimate_num_insns): Kill.
1587
1588         * gthr-posix.h: Check for _POSIX_PRIORITY_SCHEDULING
1589         when checking for _POSIX_THREAD_PRIORITY_SCHEDULING.
1590         Remove comment about not checking for
1591         _POSIX_PRIORITY_SCHEDULING.
1592         * gthr-posix.c: Likewise.
1593
1594 2004-05-28  Paolo Bonzini  <bonzini@gnu.org>
1595             Roger Sayle  <roger@eyesopen.com>
1596
1597         PR rtl-optimization/15649
1598         Add LTGT_EXPR and improve pretty-printing of unordered
1599         comparisons.
1600         * c-common.c (c_common_truthvalue_conversion):
1601         Handle LTGT_EXPR.
1602         * c-typeck.c (build_binary_op): Likewise.
1603         * dojump.c (do_jump): Likewise.
1604         * expr.c (expand_expr_real_1, do_store_flag): Likewise.
1605         * predict.c (tree_predict_by_opcode): Likewise.
1606         * real.c (real_compare): Likewise.
1607         * tree-cfg.c (verify_expr): Likewise.
1608         * tree-inline.c (estimate_num_insns_1): Likewise.
1609         * tree-pretty-print.c (dump_generic_node): Likewise.
1610         Handle ORDERED_EXPR, UNORDERED_EXPR.
1611         (op_symbol): Print unordered comparisons differently
1612         than ordered ones.
1613         * tree.def (LTGT_EXPR): New '<' tree code.
1614         * doc/c-tree.texi (Expressions): Document floating-point
1615         comparison nodes.
1616
1617         Fold comparisons between floating point values.
1618         * fold-const.c (enum comparison_code): New, from
1619         #define'd constants.  Define compcodes for unordered
1620         comparisons and for invalid transformations.
1621         (invert_tree_comparison): Add "honor_nans" parameter.
1622         (fold_truthop): Revamp to work on floating-point types too.
1623         (comparison_to_compcode): Support unordered comparisons.
1624         Use new enum comparison_code.
1625         (compcode_to_comparison): Likewise.
1626         (combine_compcodes): New function.
1627         (invert_truthvalue): Let invert_tree_comparison decide
1628         whether it is valid to fold the comparison.  Fold ORDERED
1629         and UNORDERED even if flag_unsafe_math_optimizations is off,
1630         and the remaining even if flag_unsafe_math_optimizations
1631         is off but we are under -fno-trapping-math.
1632         (fold_relational_const): Integer modes do not honor NaNs.
1633
1634 2004-05-28  Paul Brook  <paul@codesourcery.com>
1635
1636         * config/arm/arm.c (arm_output_epilogue): Remove redundant code.
1637
1638 2004-05-28  Paul Brook  <paul@codesourcery.com>
1639
1640         * config/arm/arm.c (thumb_force_lr_save): New function.
1641         (arm_get_frame_offsets, thumb_unexpanded_epilogue,
1642         thumb_output_function_prologue): Use it.
1643         (thumb_expand_prologue): Set lr_save_eliminated.
1644
1645 2004-05-28  Richard Sandiford  <rsandifo@redhat.com>
1646
1647         * config/mips/mips.md (extendsidi2): Tie the source and destination
1648         of the register alternative.  Split it into nothing.
1649
1650 2004-05-28  Richard Sandiford  <rsandifo@redhat.com>
1651
1652         * rtl.h (skip_consecutive_labels): Declare.
1653         * emit-rtl.c (skip_consecutive_labels): New function.
1654         * reorg.c (relax_delay_slots, dbr_schedule): Use it.
1655         * jump.c (follow_jumps): Say what null return values mean.
1656
1657 2004-05-28  Kaz Kojima  <kkojima@gcc.gnu.org>
1658
1659         PR target/13250
1660         * config/sh/sh.md (rotlsi3): Use emit_move_insn.
1661
1662 2004-05-27  Kaz Kojima  <kkojima@gcc.gnu.org>
1663
1664         * config/sh/t-linux (SHLIB_MAPFILES): Use sh specific
1665         libgcc-std.ver.
1666         * config/sh/libgcc-std.ver: New file.
1667
1668 2004-05-27  Bryce McKinlay  <mckinlay@redhat.com>
1669
1670         * except.c: Revert change of 2004-05-26.
1671         * config/i386/i386.md: Revert change of 2004-05-27.
1672
1673 2004-05-27  Bryce McKinlay  <mckinlay@redhat.com>
1674
1675         * configure.ac: Remove --enable-tree-browser option.
1676         Define TREEBROWSER when ac_tree_checking is defined.
1677         * configure: Rebuilt.
1678
1679 2004-05-27  Olivier Hainque  <hainque@act-europe.fr>
1680
1681         * expr.c (store_constructor): Restore sanity check on
1682         the size of the type before clearing.
1683
1684 2004-05-27  Jan Hubicka  <jh@suse.cz>
1685
1686         * cfgbuild.c (control_flow_insn_p):  Notice noreturn call
1687
1688 2004-05-27  Paolo Bonzini  <bonzini@gnu.org>
1689
1690         * combine.c (gen_binary): Remove.
1691         (known_cond, simplify_shift_const
1692         find_split_point, combine_simplify_rtx,
1693         simplify_if_then_else, simplify_set,
1694         simplify_logical, expand_field_assignment,
1695         extract_left_shift, force_to_mode,
1696         if_then_else_cond, apply_distributive_law,
1697         simplify_and_const_int, simplify_shift_const,
1698         gen_lowpart_for_combine, simplify_comparison,
1699         reversed_comparison): Replace with
1700         simplify_gen_binary, simplify_gen_relational or
1701         distribute_and_simplify_rtx.
1702         (distribute_and_simplify_rtx): New function.
1703         * simplify-rtx.c (simplify_binary_operation):
1704         Use nonzero_bits to simplify ANDs where we are
1705         turning off bits already known to be off in OP0.
1706
1707 2004-05-27  Alan Modra  <amodra@bigpond.net.au>
1708
1709         PR target/14478
1710         * config/rs6000/rs6000.c (reg_or_neg_short_operand): Don't allow zero.
1711
1712 2004-05-27  Josef Zlomek  <zlomekj@suse.cz>
1713
1714         PR middle-end/14084
1715         * emit-rtl.c (gen_rtx_REG_offset): Adjust the offset according
1716         to size of decl.
1717
1718 2004-05-26  Aldy Hernandez  <aldyh@redhat.com>
1719
1720         PR/14924
1721         * config/rs6000/rs6000.c (spe_expand_stv_builtin): New.
1722
1723 2004-05-26  Roger Sayle  <roger@eyesopen.com>
1724
1725         * tree.h: Fix comment typo.
1726
1727 2004-05-27  Steven Bosscher  <stevenb@suse.de>
1728
1729         * gimplify.c (compare_case_labels): New function.
1730         (gimplify_switch_expr): Sort case labels, and make sure the
1731         last label in the label vector is the default case.
1732         * tree-cfg.c (group_case_labels): New function.
1733         (build_tree_cfg): Cleanup redundant labels and group case labels
1734         before creating edges.
1735         (cleanup_dead_labels): Handle GOTO_EXPRs.
1736         (find_case_label_for_value): Use a binary search to find the
1737         case label for the given value.
1738         * tree-gimple.c: Mention that labels are sorted, and that the
1739         last label must be the default.
1740
1741 2004-05-27  Jan Hubicka  <jh@suse.cz>
1742
1743         * cfgcleanup.c (try_optimize_cfg): Do not merge across jumptables.
1744
1745 2004-05-27  Jan Hubicka  <jh@suse.cz>
1746
1747         * i386.md (UNSPECV_EH_RETURN): Kill.
1748         (eh_return): Use jump_insn.
1749         (eh_return_si, eh_return_di): Change pattern to jump instruction.
1750
1751 2004-05-26  Jan Hubicka  <jh@suse.cz>
1752
1753         * cfgcleanup.c (try_forward_edges):  Do not check loop structure when
1754         not loop optimizing.
1755
1756 2004-05-26  Jan Hubicka  <jh@suse.cz>
1757
1758         * except.c (can_throw_internal):  Notice RESX instructions.
1759
1760 2004-05-26  Eric Botcazou  <ebotcazou@act-europe.fr>
1761
1762         * varasm.c (output_constant) <INTEGER_TYPE>: Pass the minimum
1763         of the two sizes to assemble_integer.
1764
1765 2004-05-25  Paul Brook  <paul@codesourcery.com>
1766
1767         * config/arm/arm.c (thumb_exit, thumb_unexpanded_epilogue): Remove
1768         pointless #ifdef.
1769
1770 2004-04-25  Paolo Bonzini  <bonzini@gnu.org>
1771
1772         * Makefile.in (top_builddir): Define to .
1773
1774 2004-05-25  Alexandre Oliva  <aoliva@redhat.com>
1775
1776         * configure.ac (gcc_cv_ld): Prefer in-tree ld over whatever the
1777         top-level detects, except when in-tree ld is being cross-built.
1778         (gcc_cv_as): Likewise for as.  Use AS_FOR_TARGET otherwise, and
1779         then AS only if target is host.
1780         * configure: Rebuilt.
1781
1782 2004-05-25  Vladimir Makarov  <vmakarov@redhat.com>
1783
1784         * global.c (global_alloc): Call make_accurate_live_analysis.
1785         (record_one_conflict): Remove dead code.
1786         (mark_reg_clobber): Remove ATTRIBUTE_UNUSED for parameter data.
1787         (bb_info): New structure.
1788         (BB_INFO, BB_INFO_BY_INDEX): New macros.
1789         (allocate_bb_info, free_bb_info, mark_reg_change,
1790         calculate_local_reg_bb_info, set_up_bb_rts_numbers, rpost_cmp,
1791         modify_bb_reg_pav, calculate_reg_pav,
1792         make_accurate_live_analysis): New functions.
1793
1794 2004-05-25  Devang Patel  <dpatel@apple.com>
1795
1796         * alias.c (init_alias_analysis): Use ggc_calloc instead of
1797         xrealloc.
1798         (end_alias_analysis): Use ggc_free instead fo free.
1799
1800 2004-05-25  Andrew Pinski  <pinskia@physics.uc.edu>
1801
1802         PR target/15546
1803         * config/ia64/ia64.h (ASM_OUTPUT_FDESC): Mark the DECL
1804         as needed to be outputted.
1805
1806 2004-05-25  Jan Hubicka  <jh@suse.cz>
1807
1808         * builtins.def (__builtin_expect):  Mark the function as const&nothrow.
1809
1810 2004-05-25  Ayal Zaks  <zaks@il.ibm.com>
1811         Mostafa Hagog  <mustafa@il.ibm.com>
1812
1813         * Makefile.in (modulo-sched.o, ddg.o): New.
1814         * ddg.h, ddg.c, modulo-sched.c: New files.
1815         * cfglayout.c (duplicate_insn_chain): Remove "static" and push
1816         internals to "dupicate_insn".
1817         (duplicate_insn): New function.
1818         * cfglayout.h (duplicate_insn_chain, duplicate_insn): New
1819         declarations.
1820         * common.opt (fmodulo-sched): New flag.
1821         * df.c (df_bb_regno_last_use_find, df_bb_regno_first_def_find):
1822         Remove static and forward declaration.
1823         (df_find_def, df_reg_used, df_bb_regno_last_def_find): New
1824         functions.
1825         * df.h (df_bb_regno_last_use_find, df_bb_regno_first_def_find,
1826         df_bb_regno_last_def_find, df_find_def, df_reg_used): New
1827         declarations.
1828         * flags.h (flag_modulo_sched): New flag.
1829         * opts.c (common_handle_option): Handle modulo-sched flag.
1830         * params.def (max-sms-loop-number, sms-max-ii-factor,
1831         sms-dfa-history, sms-loop-average-count-threshold): New
1832         parameters.
1833         * params.h (MAX_SMS_LOOP_NUMBER, SMS_MAX_II_FACTOR,
1834         SMS_DFA_HISTORY, SMS_LOOP_AVERAGE_COUNT_THRESHOLD): New
1835         parameters.
1836         * passes.c ("sms", "sms-vcg"): New dumps.
1837         (rest_of_handle_sched): Call sms_schedule.
1838         * rtl.h (sms_schedule): New declaration.
1839         * timevar.def (TV_SMS): New.
1840         * toplev.c (flag_modulo_sched): Initialize.
1841         (f_options): Handle -fmodulo-sched option.
1842         * docs/invoke.texi: Document -fmodulo-sched & -dm options.
1843         * docs/passes.texi: Document new SMS pass.
1844
1845 2004-05-25  Paolo Bonzini  <bonzini@gnu.org>
1846
1847         * Makefile.in (OBJS): Add rtlhooks.o.
1848         (rtlanal.o): Depend on function.h.
1849         (cse.o): Depend on rtlhooks-def.h.
1850         (combine.o): Depend on rtlhooks-def.h.
1851         (rtlhooks.o): New rule.
1852         * combine.c: Include rtlhooks-def.h.
1853         (nonzero_bits, cached_nonzero_bits, nonzero_bits1,
1854         num_sign_bit_copies, cached_num_sign_bit_copies,
1855         num_sign_bit_copies1): Move most of the code to rtlanal.c.
1856         (reg_nonzero_bits_for_combine,
1857         reg_num_sign_bit_copies_for_combine): New functions holding
1858         the remnants of the above.
1859         (combine_rtl_hooks): New.
1860         (combine_instructions): Set rtl_hooks instead of gen_lowpart.
1861         * cse.c: Include rtlhooks-def.h.
1862         (cse_rtl_hooks): New.
1863         (cse_main): Set rtl_hooks instead of gen_lowpart.
1864         * emit-rtl.c (gen_lowpart): Remove.
1865         (gen_lowpart_general): Move to rtlhooks.c.
1866         * rtl.h (nonzero_bits, num_sign_bit_copies,
1867         struct rtl_hooks, rtl_hooks, general_rtl_hooks): New.
1868         (gen_lowpart_general): Remove.
1869         (gen_lowpart): Temporarily redefine as a macro.
1870         * rtlanal.c: Include function.h.
1871         (nonzero_bits, cached_nonzero_bits, nonzero_bits1,
1872         num_sign_bit_copies, cached_num_sign_bit_copies,
1873         num_sign_bit_copies1): New, from combine.c.
1874         * rtlhooks.c: New file.
1875
1876 2004-05-25  Svein E. Seldal  <Svein.Seldal@solidas.com>
1877
1878         * config/avr/avr.h (LONG_LONG_TYPE_SIZE): Changed long long type
1879         to support 32-bit -mint8 mode.
1880
1881         * doc/invoke.texi (-mint8): Added documentation for the -mint8
1882         option in the AVR architecture.
1883
1884 2004-05-24  Mike Stump  <mrs@apple.com>
1885
1886         * doc/install.texi: Document that dejagnu 1.4.4 is required.
1887
1888 2004-05-24  Joseph S. Myers  <jsm@polyomino.org.uk>
1889
1890         * intl.h (open_quote, close_quote): New.
1891         * intl.c (open_quote, close_quote): New.
1892         (gcc_init_libintl): Set them.
1893         * pretty-print.c: Include "intl.h".
1894         (pp_base_format_text): Support 'q' format flag and %` and %'
1895         formats.  Use ' instead of ` in comments.
1896         * c-format.c (gcc_diag_flag_specs, gcc_cxxdiag_flag_specs,
1897         gcc_diag_char_table, gcc_cdiag_char_table, gcc_cxxdiag_char_table,
1898         foramt_types_orig): Describe these new formats.
1899         (decode_format_attr, check_function_format,
1900         check_format_info_main): Use these new formats.
1901         (status_warning): Use ATTRIBUTE_GCC_DIAG.
1902         * toplev.c (ATTRIBUTE_GCC_DIAG): Increase required GCC version to
1903         check these formats to 3.5.
1904
1905 2004-05-24  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
1906
1907         * Makefile.in (CPPLIBS): Renamed to CPPLIB.
1908         (BACKEND): Reflect this.
1909         (LIBDEPS): Move CPPLIB before LIBIBERTY.
1910         (LIBS): Likewise.
1911
1912 2004-05-24  Ulrich Weigand  <uweigand@de.ibm.com>
1913
1914         PR tree-optimization/14197
1915         * builtins.c: Include "tree-gimple.h"
1916         (readonly_data_expr): Use get_base_address.  Make sure to call
1917         decl_readonly_section only on trees it can handle.
1918         * tree-gimple.c (get_base_address): Accept STRING_CST and
1919         CONSTRUCTOR expressions.
1920         * Makefile.in: Update dependencies.
1921
1922 2004-05-23  Paolo Bonzini  <bonzini@gnu.org>
1923
1924         Move libcpp to the toplevel.
1925         * Makefile.in: Remove references to libcpp files,
1926         use CPPLIBS instead of libcpp.a.  Define SYMTAB_H
1927         and change hashtable.h to that.
1928         * aclocal.m4 (gcc_AC_HEADER_STDBOOL,
1929         gcc_AC_HEADER_STRING, gcc_AC_C__BOOL): Remove.
1930         * configure.ac (gcc_AC_C__BOOL, HAVE_UCHAR): Remove tests.
1931         * configure: Regenerate.
1932         * config.in: Regenerate.
1933         * c-ppoutput.c: Include ../libcpp/internal.h instead of cpphash.h.
1934         * cppcharset.c: Removed.
1935         * cpperror.c: Removed.
1936         * cppexp.c: Removed.
1937         * cppfiles.c: Removed.
1938         * cpphash.c: Removed.
1939         * cpphash.h: Removed.
1940         * cppinit.c: Removed.
1941         * cpplex.c: Removed.
1942         * cpplib.c: Removed.
1943         * cpplib.h: Removed.
1944         * cppmacro.c: Removed.
1945         * cpppch.c: Removed.
1946         * cpptrad.c: Removed.
1947         * cppucnid.h: Removed.
1948         * cppucnid.pl: Removed.
1949         * cppucnid.tab: Removed.
1950         * hashtable.c: Removed.
1951         * hashtable.h: Removed.
1952         * line-map.c: Removed.
1953         * line-map.h: Removed.
1954         * mkdeps.c: Removed.
1955         * mkdeps.h: Removed.
1956         * stringpool.h: Include symtab.h instead of hashtable.h.
1957         * tree.h: Include symtab.h instead of hashtable.h.
1958         * system.h (O_NONBLOCK, O_NOCTTY): Do not define.
1959
1960 2004-05-23 Paolo Bonzini <bonzini@gnu.org>
1961
1962         * gcc.c (struct prefix_list): Add forward declaration.
1963         (do_spec_path): New function, extracted from...
1964         (do_spec_1) <'D'>: ... here.  Drop support for
1965         SPACE_AFTER_L_OPTION.
1966         (do_spec_1) <'I'>: Use do_spec_path.
1967         (process_command): Do not store the 'include' suffix
1968         in include_prefixes.
1969         * system.h: Poison SPACE_AFTER_L_OPTION.
1970
1971 2002-05-23  Roger Sayle  <roger@eyesopen.com>
1972
1973         * fold-const.c (non_lvalue): Explicitly list the tree codes that
1974         need to be wrapped by NON_LVALUE_EXPR, instead of those that don't.
1975
1976 2004-05-23  Joseph S. Myers  <jsm@polyomino.org.uk>
1977
1978         * doc/gcc.texi, doc/gccint.texi, doc/include/gcc-common.texi:
1979         Update based on printed manual.  Enable setting of offsets for
1980         FSFPRINT and move it to gcc-common.texi.
1981         * doc/gcc.texi: Update FSF printing details.
1982         * doc/gccint.texi: Remove FSF printing details.
1983
1984 2004-05-23  Andrew Pinski  <pinskia@physics.uc.edu>
1985
1986         * config/rs6000/t-rs6000: Remove the disabling -Werror.
1987
1988 2004-05-22  Roger Sayle  <roger@eyesopen.com>
1989
1990         * builtins.c (expand_builtin_strstr, expand_builtin_strchr,
1991         expand_builtin_strrchr, expand_builtin_strpbrk,
1992         expand_builtin_mempcpy, expand_builtin_memcmp,
1993         expand_builtin_strcmp, expand_builtin_strncmp,
1994         expand_builtin_strcat, std_expand_builtin_va_start,
1995         std_expand_builtin_va_arg, expand_builtin_va_copy,
1996         expand_builtin_signbit, fold_builtin_cabs,
1997         fold_builtin_logarithm, fold_builtin_mempcpy,
1998         fold_builtin_signbit, fold_builtin_isascii,
1999         fold_builtin_toascii, fold_builtin_isdigit,
2000         fold_builtin_1, build_function_call_expr,
2001         simplify_builtin_strchr, simplify_builtin_strrchr,
2002         simplify_builtin_strpbrk, simplify_builtin_strncpy,
2003         simplify_builtin_memcmp, simplify_builtin_strcmp,
2004         simplify_builtin_strncmp, simplify_builtin_strncat,
2005         simplify_builtin_strspn, simplify_builtin_strcspn,
2006         simplify_builtin_fputs, simplify_builtin_sprintf): Replace calls
2007         to build with calls to build2, build3 or omit_one_operand.
2008
2009 2004-05-22  Richard Sandiford  <rsandifo@redhat.com>
2010
2011         * config/mips/mips.c (mips_file_start): Emit a .gcc_compiled_longXX
2012         section when generating EABI code.
2013
2014 2004-05-22  Andrew Pinski  <pinskia@physics.uc.edu>
2015
2016         PR 15546
2017         * config/i386/i386.c (output_pic_addr_const <case SYMBOL_REF>):
2018         Call mark_decl_referenced on the SYMBOL_REF_DECL.
2019
2020 2004-05-22  Andrew Pinski  <pinskia@physics.uc.edu>
2021
2022         * c-common.c (c_common_truthvalue_conversion): Handle
2023         UNEQ_EXPR, UNLE_EXPR, UNGE_EXPR, UNLT_EXPR, UNGT_EXPR,
2024         ORDERED_EXPR, and UNORDERED_EXPR as comparison operators,
2025         i.e. set the type to truthvalue_type_node and return.
2026
2027 2004-05-22  Zack Weinberg  <zack@codesourcery.com>
2028
2029        * tree.h (struct tree_decl): Add possibly_inlined bit.
2030         (DECL_POSSIBLY_INLINED): New accessor macro.
2031         * cgraph.h: Remove declaration of cgraph_inline_hash.
2032         * cgraph.c: Remove definition of cgraph_inline_hash.
2033         (hash_node): Revert to hashing DECL_UID.
2034         (eq_node): Take two pointers to cgraph_node structures.
2035         Compare DECL_UIDs.
2036         (cgraph_remove_node): Pass the node directly to htab_find_slot.
2037         (cgraph_varpool_hash_node): Rename hash_varpool_node;
2038         hash on DECL_UID.
2039         (eq_cgraph_varpool_node): Rename eq_varpool_node; take two
2040         pointers to cgraph_varpool_node structures; compare DECL_UIDs.
2041         (cgraph_node): Allocate a temporary node on the stack, fill in
2042         its DECL field, and pass that to htab_find_slot.
2043         (cgraph_varpool_node): Likewise.
2044         (cgraph_function_possibly_inlined_p): If global info is ready,
2045         return the DECL_POSSIBLY_INLINED bit.
2046         * cgraphunit.c (cgraph_mark_inline_edge): Set DECL_POSSIBLY_INLINED
2047         instead of mucking with cgraph_inline_hash.
2048
2049 2004-05-22  Joseph S. Myers  <jsm@polyomino.org.uk>
2050
2051         * doc/contrib.texi: Add g77 contributors.
2052
2053 2004-05-22  Richard Sandiford  <rsandifo@redhat.com>
2054
2055         * calls.c (initialize_argument_information): Forbid sibcalls if a
2056         callee-copied argument is stored in the current function's frame.
2057
2058 2004-05-22  Eric Christopher  <echristo@redhat.com>
2059
2060         * fix-header.c (read_scan_file): Update for add_path change.
2061
2062 2004-05-22  Ben Elliston  <bje@au.ibm.com>
2063
2064         * c.opt (Wmissing-include-dirs): New.
2065         * c-opts.c (c_common_handle_option): Pass true for user_supplied_p
2066         to add_path () for -I, but false for OPT_idirafter, OPT_iquote and
2067         OPT_isystem. Handle case OPT_Wmissing_include_dirs.
2068         * c-incpath.h (add_path): Add fourth (bool) argument.
2069         * c-incpath.c (add_env_var_paths): Pass false to add_path ().
2070         (add_standard_paths): Likewise.
2071         (remove_duplicates) [REASON_NOENT]: Warn if -Wmissing-include-dirs
2072         is used and the directory was user-supplied via -I.
2073         (add_path): Set p->user_supplied_p.  Remove duplicated code by
2074         using add_cpp_dir_path ().
2075         * cpplib.h (struct cpp_options): Add warn_missing_include_dirs.
2076         (struct cpp_dir): Add user_supplied_p.
2077         * doc/invoke.texi (Warning Options): Document new option.
2078
2079 2004-05-21  Ulrich Weigand  <uweigand@de.ibm.com>
2080
2081         * fold-const.c (fold_read_from_constant_string): Convert result to
2082         requested type.
2083
2084 2004-05-21  Richard Henderson  <rth@redhat.com>
2085
2086         * gimplify.c (mostly_copy_tree_r): Don't attempt to copy decls.
2087         (copy_if_shared_r): Don't copy decls, types, constants, BINDs.
2088         Don't mark VA_ARG_EXPRs volatile here.
2089         (gimplify_modify_expr): Unshare TYPE_SIZE_UNIT.
2090
2091 2004-05-21  Richard Henderson  <rth@redhat.com>
2092
2093         * Makefile.in (tree-dump.o): Depend on tree-iterator.h.
2094         * tree-dump.c (dequeue_and_dump): Dump STATEMENT_LISTs.
2095
2096 2004-05-21  Roger Sayle  <roger@eyesopen.com>
2097
2098         * fold-const.c (fold, fold_relational_hi_lo,
2099         nondestructive_fold_binary_to_constant,
2100         fold_read_from_constant_string): Use fold_convert instead of convert.
2101         * builtins.c (simplify_builtin, simplify_builtin_strstr,
2102         simplify_builtin_strchr, simplify_builtin_strrchr,
2103         simplify_builtin_strpbrk): Use fold_convert instead of convert.
2104
2105 2004-05-21  Diego Novillo  <dnovillo@redhat.com>
2106
2107         * tree-flow-inline.h (num_immediate_uses): Don't abort if DF
2108         is NULL.
2109
2110 2004-05-21  Jakub Jelinek  <jakub@redhat.com>
2111
2112         * config/sparc/linux64.h (OPTION_DEFAULT_SPECS): If SPARC_BI_ARCH,
2113         override sparc.h definition.
2114
2115 2004-05-20  Roger Sayle  <roger@eyesopen.com>
2116
2117         * tree.c (array_type_nelts, save_expr, substitute_in_expr,
2118         get_unwidened, get_narrower): Replace build with build2.
2119         * fold-const.c (negate_expr, associate_trees, size_binop,
2120         fold_convert, eval_subst, omit_one_operand, invert_truthvalue,
2121         pedantic_omit_one_operand, distribute_bit_expr,
2122         make_bit_field_ref, optimize_bit_field_compare,
2123         decode_field_reference, range_binop, make_range,
2124         build_range_check, fold_range_test, fold_truthop,
2125         optimize_minmax_comparison, extract_muldiv_1,
2126         fold_binary_op_with_conditional_arg, fold_mathfn_compare,
2127         fold_inf_compare, fold_single_bit_test, fold,
2128         fold_relational_hi_lo, nondestructive_fold_binary_to_constant):
2129         Likewise replace build with either build2 or build3.
2130
2131 2004-05-20  Ian Lance Taylor  <ian@wasabisystems.com>
2132
2133         * system.h: Poison NO_RECURSIVE_FUNCTION_CSE.
2134         * calls.c (prepare_call_address): Don't test
2135         NO_RECURSIVE_FUNCTION_CSE.
2136         * config/arc/arc.h (NO_RECURSIVE_FUNCTION_CSE): Don't define.
2137         * config/arm/arm.h (NO_RECURSIVE_FUNCTION_CSE): Likewise.
2138         * config/avr/avr.h (NO_RECURSIVE_FUNCTION_CSE): Likewise.
2139         * config/frv/frv.h (NO_RECURSIVE_FUNCTION_CSE): Likewise.
2140         * config/i386/i386.h (NO_RECURSIVE_FUNCTION_CSE): Likewise.
2141         * config/ip2k/ip2k.h (NO_RECURSIVE_FUNCTION_CSE): Likewise.
2142         * config/iq2000/iq2000.h (NO_RECURSIVE_FUNCTION_CSE): Likewise.
2143         * config/m32r/m32r.h (NO_RECURSIVE_FUNCTION_CSE): Likewise.
2144         * config/m68k/m68k.h (NO_RECURSIVE_FUNCTION_CSE): Likewise.
2145         * config/mcore/mcore.h (NO_RECURSIVE_FUNCTION_CSE): Likewise.
2146         * config/mips/mips.h (NO_RECURSIVE_FUNCTION_CSE): Likewise.
2147         * config/stormy16/stormy16.h (NO_RECURSIVE_FUNCTION_CSE):
2148         Likewise.
2149         * config/xtensa/xtensa.h (NO_RECURSIVE_FUNCTION_CSE): Likewise.
2150         * config/sh/sh.h: Remove NO_RECURSIVE_FUNCTION_CSE comment.
2151         * doc/tm.texi (Costs): Remove documentation for
2152         NO_RECURSIVE_FUNCTION_CSE.
2153
2154 2004-05-20  Paul Brook  <paul@codesourcery.com>
2155
2156         * unwind-dw2-fde.c (get_cie_encoding): Handle dwarf3 CIE format.
2157         * unwind-dw2.c (extract_cie_info): Ditto.
2158         (_Unwind_FrameState): Change retaddr_column to word type.
2159
2160 2004-05-20  Roger Sayle  <roger@eyesopen.com>
2161
2162         PR middle-end/3074
2163         * fold-const.c (strip_compound_expr): Delete function.
2164         (count_cond): Delete function.
2165         (fold_binary_op_with_conditional_arg): Only perform transformations
2166         "a + (b?c:d) -> b ? a+c : a+d" and "(b?c:d) + a -> b ? c+a : d+a"
2167         when a is constant.  This greatly simplifies this routine.
2168
2169         * tree.c (saved_expr_p): Delete function.
2170         * tree.h (saved_expr_p): Delete function prototype.
2171
2172 2004-05-20  Andrew Pinski  <pinskia@physics.uc.edu>
2173
2174         * common.opt (ftree-loop-optimize): Remove.
2175
2176 2004-05-20  Daniel Jacobowitz  <dan@debian.org>
2177
2178         * Makefile.in (AR_FOR_TARGET, RANLIB_FOR_TARGET)
2179         (NM_FOR_TARGET): Use := and $(shell).
2180         (mainversion): Remove unused variable.
2181
2182 2004-05-20  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2183
2184         * reorg.c (delete_from_delay_slot): If we have a barrier after the
2185         sequence containing the insn to be deleted, always reemit it.
2186
2187 2004-05-20  Richard Henderson  <rth@redhat.com>
2188
2189         PR 15454
2190         * tree-nested.c (get_chain_decl): Create a PARM_DECL by hand.
2191         * function.c (expand_function_start): Expand static_chain_decl by hand.
2192         * gimplify.c (create_tmp_var_name): Export.
2193         * tree-gimple.h (create_tmp_var_name): Declare.
2194
2195 2004-05-20  Andrew Pinski  <pinskia@physics.uc.edu>
2196
2197         * rs6000.c (print_operand) <case 'z'>: Call
2198         mark_decl_referenced before assemble_name.
2199
2200 2004-05-20  Zack Weinberg  <zack@codesourcery.com>
2201
2202         * cgraph.c (hash_node, eq_node, cgraph_node, cgraph_remove_node)
2203         (cgraph_varpool_hash_node, eq_cgraph_varpool_node)
2204         (cgraph_varpool_node): Hash on the pointer to the decl, not
2205         the DECL_UID.  Fixes 64-bit bootstrap failure.
2206
2207 2004-05-20  Richard Earnshaw <rearnsha@arm.com>
2208
2209         * arm.md (ite_ne_zeroextractsi, ite_ne_zeroextractsi_shifted): Ensure
2210         we don't earlyclobber operands used in the second insn.
2211
2212 2004-05-20  Steven Bosscher  <stevenb@suse.de>
2213
2214         * tree-mudflap.c: Formatting fixes.
2215
2216 2004-05-20  J"orn Rennecke <joern.rennecke@superh.com>
2217
2218         * Makefile.in (GTFILES): Add $(srcdir)/reload.h.
2219         * gengtype.c (open_base_files): Include reload.h in ifiles.
2220         * reload.h (reg_equiv_memory_loc_varray): Declare.
2221         * reload1.c (reg_equiv_memory_loc_varray): New variable.
2222         (init_reload): Initialize it.
2223         (reload): Instead of freeing reg_equiv_memory_loc, 'grow'
2224         reg_equiv_memory_loc_varray to size 0.
2225         * ra.c (reg_alloc): Allocate reg_equiv_memory_loc by
2226         growing reg_equiv_memory_loc_varray to the desired size.
2227         * passes.c (rest_of_handle_old_regalloc): Likewise.
2228         * reload.c: Amend comment on calling init_reload.
2229
2230 2004-05-20  Nick Clifton  <nickc@redhat.com>
2231
2232         * config/c4x/c4x.h (INITIALIZE_TRAMPOLINE): Replace 'tramp'
2233         with 'TRAMP' in the body of the macro definition.
2234
2235 2004-05-19  H.J. Lu  <hongjiu.lu@intel.com>
2236
2237         PR target/15383
2238         * config/ia64/ia64.c (ia64_expand_compare): Don't check
2239         TARGET_HPUX for TFmode compare. Abort if op0 is in TFmode and
2240         cmptf_libfunc isn't set.
2241         (ia64_init_libfuncs): Rename TFmode libfuncs using the HPUX
2242         conventions.
2243         (ia64_sysv4_init_libfuncs): New.
2244
2245         * config/ia64/sysv4.h (TARGET_INIT_LIBFUNCS): New. Defined as
2246         ia64_sysv4_init_libfuncs.
2247
2248 2004-05-20  Falk Hueffner  <falk@debian.org>
2249
2250         PR other/15526
2251         * libgcc2.c (__mulvsi3): Fix overflow test.
2252
2253 2004-05-19  Andrew Pinski  <pinskia@physics.uc.edu>
2254
2255         PR c/14171
2256         * reg-stack.c (nan): Rename to ...
2257         (not_a_num): Here.
2258         (reg_to_stack): Rename nan to not_a_num.
2259         (subst_stack_regs_pat): Likewise.
2260         (convert_regs_entry): Likewise.
2261         (convert_regs_1): Likewise.
2262
2263         * tree-cfg.c (find_case_label_for_value): Replace call to
2264         simple_cst_equal with tree_int_cst_equal.
2265
2266 2004-05-19  Jeff Law <law@redhat.com>
2267
2268         * tree-into-ssa.c (prepare_operand_for_rename): New argument is_use.
2269         If the operand is for a use, then strip away the SSA_NAME, do not
2270         strip away the SSA_NAME for a set.  Never call release_ssa_name.
2271         (mark_def_sites): Appropriately pass additional argument to
2272         prepare_operand_for_rename.  If a VDEF_RESULT is not an SSA_NAME,
2273         then set the VDEF_RESULT to the VDEF_OP.
2274         (set_def_block): Strip away any SSA_NAME to get to the real
2275         underlying variable.
2276
2277         * tree-ssa-phiopt.c (value_replacement): Handle the case where
2278         the desired edge out of COND_BLOCK reaches OTHER_BLOCK rather than
2279         BB directly.
2280
2281 2004-05-19  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
2282
2283         PR c++/15463
2284         * loop-iv.c (iv_number_of_iterations):  Use trunc_int_for_mode on
2285         result of inverse.
2286
2287         PR rtl-optimization/15274
2288         * loop-iv.c (determine_max_iter, shorten_into_mode,
2289         iv_number_of_iterations): Handle constants correctly.
2290         * rtl.h (get_mode_bounds): Declaration changed.
2291         * stor-layout.c (get_mode_bounds): Return a constant suitable for
2292         the target mode.
2293
2294         PR rtl-optimization/14692
2295         * loop-unswitch.c (may_unswitch_on): Try folding the result.
2296         (unswitch_single_loop): Work correctly when may_unswitch_on
2297         returns a folded constant.
2298
2299         * loop-iv.c (implies_p): Handle A < B ==> A + 1 <= B.
2300         * simplify-rtx.c (simplify_const_relational_operation): Optimize
2301         comparisons with mode bounds.
2302
2303         * function.c (struct temp_slot): Add new field prev.
2304         (free_after_compilation, init_temp_slots): Free new fields.
2305         (cut_slot_from_list, insert_slot_to_list,
2306         temp_slots_at_level, max_slot_level, move_slot_to_level,
2307         make_slot_available): New functions.
2308         (assign_stack_temp_for_type, combine_temp_slots,
2309         find_temp_slot_from_address, preserve_temp_slots,
2310         preserve_rtl_expr_result, free_temp_slots,
2311         free_temps_for_rtl_expr, pop_temp_slots): Work with
2312         the new structure of lists.
2313         (mark_all_temps_used): Removed.
2314         * function.h (struct function): Field x_temp_slots
2315         replaced by x_used_temp_slots and x_avail_temp_slots.
2316         (temp_slots): Replaced by ...
2317         (used_temp_slots, avail_temp_slots): New.
2318         * tree.h (mark_all_temps_used): Declaration removed.
2319
2320         * loop-iv.c (mark_single_set, get_biv_step_1, iv_analyze,
2321         simplify_using_assignment): Take the expression out of
2322         the expr_list wrapper.
2323
2324         * loop-iv.c (iv_number_of_iterations): Improve clasification of
2325         infinite loops.
2326
2327 2004-05-19  Roger Sayle  <roger@eyesopen.com>
2328
2329         * doc/tm.texi (TARGET_RTX_COSTS): Document that instruction
2330         costs should be based on code size when optimizing for size.
2331
2332 2004-05-19  Paolo Bonzini  <bonzini@gnu.org>
2333
2334         * fold-const.c: Remove non-printable character 160.
2335
2336 2004-05-19  Nick Clifton  <nickc@redhat.com>
2337
2338         * doc/invoke.texi (ARM Options): Fix typo.
2339         Remove descrption of -mshort-load-bytes and
2340         -mno-short-load-bytes.
2341
2342         * config/ip2k/ip2k.c (ip2k_composite_xexp_not_uses_reg_p): Add
2343         missing parenthesis.
2344         * config/ip2k/ip2k.c (ip2k_unary_operator): Likewise.
2345         * config/ip2k/ip2k.c (ip2k_binary_operator): Likewise.
2346
2347 2004-05-19  Steven Bosscher  <stevenb@suse.de>
2348
2349         * expr.c (store_constructor): Build loop start and end by hand
2350         instead of via loop functions from stmt.c.
2351         (expand_expr_real_1): Abort if we see an EXIT_EXPR or a LOOP_EXPR.
2352         Remove the code to expand them.
2353
2354         * stmt.c (loop_stack): Remove this and everything related.
2355         (struct nesting, enum nesting_desc): Update.
2356         (expand_fixup): Likewise.
2357         (expand_loop_start, expand_start_loop_continue_elsewhere,
2358         expand_start_null_loop, expand_loop_continue_here, expand_end_loop,
2359         expand_end_null_loop, expand_continue_loop, expand_exit_loop,
2360         expand_exit_loop_if_false, expand_exit_loop_top_cond,
2361         expand_exit_something): Remove.
2362         * tree.h: Remove prototypes.
2363
2364 2004-05-18  Mike Stump  <mrs@apple.com>
2365             Devang Patel  <dpatel@apple.com>
2366
2367         * doc/tm.texi (TARGET_ASM_EMIT_UNWIND_LABEL): Add argument to indicate
2368         if this label is for eh.
2369         * config/darwin-protos.h (darwin_emit_unwind_label): Likewise.
2370         * config/darwin.c (darwin_emit_unwind_label): Likewise.
2371         * dwarf2out.c (output_call_frame_info): Likewise.
2372         * output.h (default_emit_unwind_label): Likewise.
2373         * target.h (unwind_label): Likewise.
2374         * varasm.c (default_emit_unwind_label): Likewise.
2375
2376         * config/darwin.h (DWARF2_DEBUGGING_INFO, PREFERRED_DEBUGGING_TYPE,
2377         DEBUG_FRAME_SECTION, DEBUG_INFO_SECTION, DEBUG_ABBREV_SECTION,
2378         DEBUG_ARANGES_SECTION, DEBUG_MACINFO_SECTION, DEBUG_LINE_SECTION,
2379         DEBUG_LOC_SECTION, DEBUG_PUBNAMES_SECTION, DEBUG_STR_SECTION,
2380         DEBUG_RANGES_SECTION): Define.
2381
2382 2004-05-18  Zack Weinberg  <zack@codesourcery.com>
2383
2384         * cgraph.c (hash_node, eq_node, cgraph_node, cgraph_remove_node)
2385         (cgraph_varpool_hash_node, eq_cgraph_varpool_node)
2386         (cgraph_varpool_node):
2387         Use DECL_UID for the key, not DECL_ASSEMBLER_NAME.
2388         (cgraph_function_possibly_inlined_p): Use the decl itself for
2389         the key, not DECL_ASSEMBLER_NAME.
2390         (change_decl_assembler_name): No need to muck with the hash tables.
2391         (cgraph_node_for_identifier, cgraph_varpool_node_for_identifier):
2392         Delete.
2393         * cgraphunit.c (cgraph_mark_inline_edge): Use the decl itself
2394         for the key, not DECL_ASSEMBLER_NAME.
2395         * cgraph.h: Remove prototypes of deleted functions.
2396         * varasm.c (mark_referenced): Just set TREE_SYMBOL_REFERENCED.
2397         (mark_decl_referenced): New function.
2398         * tree.h: Prototype mark_decl_referenced.
2399         * final.c (output_addr_const) <case SYMBOL_REF>: Call
2400         mark_decl_referenced before assemble_name.
2401         * c-decl.c (finish_decl): Use mark_decl_referenced.
2402
2403 2004-05-18  Andrew Pinski  <pinskia@physics.uc.edu>
2404             Jeff Law <law@redhat.com>
2405
2406         * tree-ssa-phiopt.c (abs_replacement): New function.
2407         (empty_block_p): New function extracted from...
2408         (candidate_bb_for_phi_optimization): Break out empty block test.
2409         (conditional_replacement): Use empty_block_p.
2410         (value_replacement): Similarly.
2411
2412         * Makefile.in (tree-ssa-phiopt.o): Depends on flags.h.
2413         * tree-ssa-phiopt.c: Include flags.h.
2414         (conditional_replacement): Remove argument names from prototype.
2415         Minor formatting and comment fixes.
2416         (tree_ssa_phiopt): If conditional_replacement returns false, then
2417         call value_replacement.
2418         (value_replacement): New function.
2419
2420 2004-05-18  Jeff Law  <law@redhat.com>
2421
2422         * tree-ssa-phiopt.c (replace_phi_with_stmt): New function extracted
2423         from conditional_replacement.
2424         (candidate_bb_for_phi_optimization): Similarly.
2425         (conditional_replacement): Use replace_phi_with_stmt and
2426         candidate_bb_for_phi_optimization.
2427
2428         * tree-ssa-phiopt.c: Fix various formatting issues.
2429
2430 2004-05-18  Steven Bosscher  <stevenb@suse.de>
2431
2432         * config/s390/s390.c (s390_expand_movstr, s390_expand_clrstr,
2433         s390_expand_cmpmem): Do not use expand_start_loop and
2434         expand_end_loop, instead build the loop manually.
2435
2436 2004-05-18  Alan Modra  <amodra@bigpond.net.au>
2437
2438         * config/rs6000/rs6000.md (ctrsi_internal3): Delete.
2439         (ctrsi_internal4, ctrdi_internal3, ctrdi_internal4): Delete.
2440
2441 2004-05-17  Jeff Law  <law@redhat.com>
2442
2443         * toplev.h (flag_delete_null_pointer_checks): Move from here to...
2444         * flags.h (flag_delete_null_pointer_checks): Here.
2445         * tree-flow.h (cprop_into_successor_phis): Add argument to prototype.
2446         * tree-phinodes.c (resize_phi_node): Initialize PHI_ARG_NONZERO.
2447         (add_phi_arg, remove_phi_arg_num): Similarly.
2448         * tree-ssa-copy.c (cprop_into_successor_phis): Propagate nonzero
2449         property into PHI nodes.
2450         * tree-ssa-dom.c: Remove redundant inclusion of flags.h.
2451         (record_equivalences_from_phis): If all PHI arguments are known to be
2452         nonzero, then the result must be nonzero as well.
2453         (cprop_into_phis): Pass nonzero_vars bitmap to cprop_into_successor_phis.
2454         (record_equivalences_from_stmt): Check flag_delete_null_pointer_checks
2455         appropriately.  Walk the USE-DEF chains and propagate nonzero property
2456         as appropriate.
2457         * tree.h (PHI_ARG_NONZERO): Define.
2458         (phi_arg_d): Add nonzero flag.
2459
2460 2004-05-17  Zack Weinberg  <zack@codesourcery.com>
2461
2462         * f: Entire directory removed
2463
2464         * c-common.h (CTI_G77_INTEGER_TYPE, CTI_G77_UINTEGER_TYPE)
2465         (CTI_G77_LONGINT_TYPE, CTI_G77_ULONGINT_TYPE)
2466         (g77_integer_type_node, g77_uinteger_type_node)
2467         (g77_longint_type_node, or g77_ulongint_type_node): Delete.
2468         * c-common.c (c_common_nodes_and_builtins): Do not initialize
2469         the above set of variables.
2470
2471         * config/i386/uwin.h: No need to define WIN32_UWIN_TARGET.
2472         * doc/invoke.texi, doc/standards.texi: Remove cross-references
2473         to g77 manual.
2474
2475 2004-05-17  Steven Bosscher  <stevenb@suse.de>
2476
2477         PR tree-optimization/15438
2478         * tree-ssa-operands.c (get_expr_operands): Do not treat malloc
2479         attributed functions as pure or const.
2480
2481 2004-05-17  Frank Ch. Eigler  <fche@redhat.com>
2482
2483         * tree-mudflap.c (mx_register_decls): Tolerate decl trees resulting
2484         from source code with errors.
2485
2486 2004-05-17  Ranjit Mathew  <rmathew@hotmail.com>
2487
2488         Enable tree browser for all front ends.
2489         * Makefile.in (cc1): Moved @TREEBROWSER@ from here...
2490         (BACKEND): ...to here.
2491
2492 2004-05-17  Jan Hubicka  <jh@suse.cz>
2493
2494         * i386.c (construct_container): Do not produce BLKmode registers.
2495         (classify_argument): Properly compute alignment of complex types.
2496
2497 2004-05-17  H.J. Lu  <hongjiu.lu@intel.com>
2498
2499         PR target/15084
2500         * config/i386/i386.md (*movsi_insv_1_rex64): Changed to DImode
2501         and renamed to movdi_insv_1_rex64.
2502         (insv): Support SImode for 32bit and DImode for 64bit.
2503
2504 2004-05-17  Richard Sandiford  <rsandifo@redhat.com>
2505
2506         * config/mips/mips.h (MASK_DEBUG_G, TARGET_DEBUG_G_MODE): Delete.
2507         (TARGET_SWITCHES): Remove debugg.
2508         * config/mips/mips.md (adddi3, ashldi3, ashrdi3, lshrdi3): Only handle
2509         TARGET_64BIT.
2510         (subdi3): Replace the define_expand with a define_insn, the latter
2511         renamed from subdi3_internal_3.
2512         (negdi2): Likewise negdi2_internal_2.
2513         (adddi3_internal_[12], subdi3_internal, ashldi3_internal{,2,3})
2514         (ashrdi3_internal{,2,3}, lshrdi3_internal{,2,3}): Remove patterns
2515         and associated define_splits.
2516         (adddi3_internal): Renamed from adddi3_internal_3.
2517         (ashldi3_internal): Likewise ashldi3_internal4.
2518         (ashrdi3_internal): Likewise ashrdi3_internal4.
2519         (lshrdi3_internal): Likewise lshrdi3_internal4.
2520
2521 2004-05-17  Richard Sandiford  <rsandifo@redhat.com>
2522
2523         * optabs.c (expand_unop): Try implementing negation using subtraction
2524         from zero.
2525
2526 2004-05-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2527
2528         * pa.md:  Fix typo from last change.  Remove DFmode move to and from
2529         SAR register.
2530
2531 2004-05-16  Richard Earnshaw  <rearnsha@arm.com>
2532
2533         PR target/10982
2534         * arm.md (ne_zeroextractsi): Convert to insn-and-split.
2535         (ne_zeroextractsi_shifted): New pattern.
2536         (ite_ne_zeroextractsi): New pattern.
2537         (ite_ne_zeroextractsi_shifted): New pattern.
2538
2539 2004-05-15  Steven Bosscher  <stevenb@suse.de>
2540
2541         * c-gimplify.c (c_genericize):
2542         Replace calls via (*lang_hooks.foo) with lang_hooks.foo.
2543         * c-parse.in <expr_no_commas>: Likewise.
2544         <if_prefix>: Likewise.
2545         <select_or_iter_stmt>: Likewise.
2546         * expr.c (expand_var, expand_expr_real_1): Likewise.
2547         * expr.h (expand_expr): Make it a static inline function.
2548         Move prototype for expand_expr_real up before this.
2549         * fold-const.c (fold_relational_hi_lo, fold_relational_const):
2550         Likewise.
2551         * gimplify.c (gimple_boolify, gimplify_addr_expr,
2552         gimplify_asm_expr, gimplify_expr): Likewise.
2553         * tree-cfg.c (dump_tree_cfg, dump_cfg_stats, tree_cfg2vcg,
2554         dump_function_to_file): Likewise.
2555         * tree-dfa.c (dump_immediate_uses, dump_dfa_stats): Likewise.
2556         * tree-inline.c (remap_block, save_body, walk_tree): Likewise.
2557         * tree-into-ssa.c (dump_tree_ssa): Likewise.
2558         * tree-mudflap.c (mf_varname_tree, mf_file_function_line_tree):
2559         Likewise.
2560         * tree-optimize.c (execute_one_pass): Likewise.
2561         * tree-pretty-print.c (dump_generic_bb_buff): Likewise.
2562         * tree-ssa-alias.c (dump_alias_stats, dump_alias_info): Likewise.
2563
2564         * objc/objc-act.c (objc_build_try_enter_fragment,
2565         objc_build_try_epilogue, objc_build_catch_stmt,
2566         objc_build_finally_prologue): Replace calls via (*lang_hooks.foo)
2567         with lang_hooks.foo ().
2568
2569 2004-05-15  Roger Sayle  <roger@eyesopen.com>
2570
2571         * builtins.c (simplify_builtin_strcpy): Avoid use of chainon, so
2572         that simplify_builtin doesn't destructively modify its argument.
2573
2574 2004-05-15  Richard Earnshaw  <reanrsha@arm.com>
2575
2576         * arm/lib1funcs.asm (_lshrdi3, _ashrdi3, _ashldi3): Add ASM
2577         implementations for ARM and Thumb.
2578         * arm/t-arm-elf (LIB1ASMFUNCS): Use them.
2579
2580 2004-05-15  Thomas Quinot  <quinot@act-europe.fr>
2581
2582         * prefix.c (update_path): Replace PREFIX with KEY only
2583         when it matches a full directory name in PATH.
2584
2585 2004-05-15  Richard Earnshaw  <reanrsha@arm.com>
2586
2587         * arm.h (TARGET_APCS_32): Delete.
2588         (TARGET_MMU_TRAPS): Delete.
2589         (TARGET_CPU_CPP_BUILTINS): Unconditionally define __APCS_32__.  Never
2590         define __APCS_26__.
2591         (CPP_SPEC): Remove checking of -mapcs-{26,32}.
2592         (ARM_FLAG_APCS_32, ARM_FLAG_MMU_TRAPS): Delete.
2593         (TARGET_SWITCHES): Remove alignment_traps and apcs-{26,32} switches.
2594         (prog_mode_type): Delete.
2595         (PROMOTE_MODE): Always promote unsigned for HImode.
2596         (SECONDARY_INPUT_RELOAD_CLASS): Simplify.
2597         (MASK_RETURN_ADDR): Simplify.
2598         * arm.c (arm_prgmode): Delete.
2599         (arm_override_options, arm_gen_rotated_half_load): Simplify.
2600         (print_multi_reg, output_return_instruction): Simplify.
2601         (arm_output_epilogue, arm_final_prescan_insn): Simplify.
2602         (arm_return_addr): Simplify.
2603         * arm.md (prog_mode): Delete.
2604         (conds): Simplify.
2605         (zero_extendhisi2, extendhisi2, movhi, movhi_bytes): Simplify.
2606         (rotated_loadsi, movhi_insn_littleend, movhi_insn_bigend): Delete.
2607         (loadhi_si_bigend, loadhi_preinc, loadhi_shiftpreinc): Delete.
2608         (loadhi_shiftpredec): Delete.
2609         (peephole for post-increment on HImode load): Delete.
2610         * arm/crtn.asm: (FUNC_END): Simplify.
2611         * arm/lib1funcs.asm: Remove APCS-26 return macros.
2612         * arm/aof.h, arm/coff.h arm/elf.h arm/linux-elf.h arm/netbsd-elf.h
2613         * arm/netbsd.h arm/pe.h arm/semi.h arm/semiaof.h arm/unknown-elf.h
2614         * arm/vxworks.h arm/wince-pe.h: Tidy TARGET_DEFAULTS and
2615         MULTILIB_DEFAULTS as required.
2616         * arm/t-arm-elf arm/t-linux arm/t-pe arm/t-semi arm/t-wince-pe
2617         * arm/t-xscale-coff arm/t-xscale-elf arm/uclinux-elf: Tidy MULTILIB
2618         variables as required.
2619         * doc/invoke.texi (ARM Options): Remove obsolete flags.
2620
2621 2004-05-15  Alan Modra  <amodra@bigpond.net.au>
2622
2623         * config/rs6000/rs6000.c (rs6000_va_arg <ABI_V4>): Don't use
2624         UNITS_PER_WORD to calculate gpr size.  Re-instate code to set reg
2625         count to 8 to handle n_reg > 2.
2626
2627 2004-05-15  Joseph S. Myers  <jsm@polyomino.org.uk>
2628
2629         * doc/extend.texi: Update WG14 URL.
2630
2631 2004-05-15  Steven Bosscher  <stevenb@suse.de>
2632
2633         * basic-block.h (life_analysis, delete_noop_moves):
2634         Update prototypes.
2635         * bt-load.c (branch_target_load_optimize): Don't take the
2636         insns stream as an argument.  Update the life_analysis calls.
2637         * combine.c (combine_instructions): Update delete_noop_moves
2638         calls.
2639         * flow.c (notice_stack_pointer_modification): Don't take the
2640         insns stream as an argument.  Work on the flow graph.
2641         (life_analysis): Likewise.
2642         (delete_noop_moves): Likewise.
2643         * passes.c (rest_of_handle_stack_regs): Update reg_to_stack call.
2644         (rest_of_handle_life): Update life_analysis call.
2645         (rest_of_compilation): Likewise, and also update
2646         branch_target_load_optimize call.
2647         * ra.c (reg_alloc): Update life_analysis call.
2648         * reg-stack.c (reg_to_stack): Likewise.  Also, don't take
2649         the insns stream as an argument.
2650         * regrename.c (copyprop_hardreg_forward): Update delete_noop_moves
2651         call.
2652         * rtl.c (branch_target_load_optimize, reg_to_stack): Update
2653         prototypes.
2654         * value-profile.c (branch_prob): Update life_analysis call.
2655         * web.c (web_main): Work on the CFG, not on the insns stream.
2656
2657         * config/ip2k/ip2k.c (ip2k_reorg): Update life_analysis calls.
2658         * config/m68hc11/m68hc11.c (m68hc11_reorg): Likewise.
2659         * config/sh/sh.c (sh_output_mi_thunk): Likewise.
2660
2661 2004-05-15  Joseph S. Myers  <jsm@polyomino.org.uk>
2662
2663         PR c/15444
2664         * c-format.c (avoid_dollar_number): New function.
2665         (check_format_info_main): Call avoid_dollar_number when operand
2666         numbers might occur but has_operand_number == 0.
2667
2668 2004-05-14  Richard Earnshaw  <rearnsha@arm.com>
2669
2670         * arm.md (all peephole2 patterns): Use predicates that validate
2671         register classes as appropriate.
2672
2673 2004-05-14  Steven Bosscher  <stevenb@suse.de>
2674
2675         PR opt/14472
2676         * tree-tailcall.c (process_assignment): Use STRIP_NOPS to
2677         ignore type conversions that do not inhibit tail calling.
2678         (find_tail_calls): Likewise.
2679
2680 2004-05-14  Jeff Law  <law@redhat.com>
2681
2682         * tree-ssa-dom.c (redirect_edges_and_update_ssa_graph): Don't even
2683         bother marking bypassed virtuals for out-of-ssa.  Instead merge
2684         bypassed virtuals into vars_to_rename just before into-ssa pass.
2685
2686         * tree-ssa-dom.c (simplify_rhs_and_lookup_avail_expr): Reorganize
2687         so that it picks up more opportunities to eliminate ABS expressions
2688         or turn them into negations.
2689
2690 2004-05-14  Steven Bosscher  <stevenb@suse.de>
2691
2692         * passes.c (rest_of_handle_null_pointer): Remove.
2693         (rest_of_handle_cse): Don't call rest_of_handle_null_pointer.
2694         (rest_of_compilation): Likewise.
2695         * rtl.h (delete_null_pointer_checks): Remove prototype.
2696         * gcse.c (rd_kill, rd_gen, reaching_defs, rd_out, ae_in, ae_out):
2697         Remove declarations.
2698         (get_bitmap_width, alloc_rd_mem, free_rd_mem, handle_rd_kill_set,
2699         compute_kill_rd, compute_rd, alloc_avail_expr_mem,
2700         free_avail_expr_mem, compute_ae_gen, expr_killed_p, compute_ae_kill,
2701         expr_reaches_here_p, computing_insn, def_reaches_here_p,
2702         can_disregard_other_sets, handle_avail_expr, classic_gcse,
2703         one_classic_gcse_pass, invalidate_nonnull_info,
2704         delete_null_pointer_checks_1, delete_null_pointer_checks,
2705         expr_reached_here_p_work): Remove.
2706         (gcse_main): Do not perform classic GCSE when optimizing for size.
2707         (alloc_pre_mem, free_pre_mem): Don't touch ae_in and ae_out, they
2708         are never used.
2709
2710 2004-05-14  Andrew Pinski  <pinskia@physics.uc.edu>
2711
2712         PR optimization/14466
2713         * tree-complex.c (make_temp): Remove.
2714         (gimplify_val): Replace make_temp with make_rename_temp
2715         and add NULL as the second argument.
2716         (expand_complex_div_wide): Likewise.
2717         * tree-dfa.c (make_rename_temp): New function.
2718         * tree-flow.h (make_rename_temp): Declare.
2719         * tree-sra.c (make_temp): Remove.
2720         (lookup_scalar): Replace make_temp with make_rename_temp.
2721         (create_scalar_copies): Likewise.
2722         * tree-ssa-phiopt.c (conditional_replacement): When we
2723         get non gimple create a temporary variable to hold the
2724         casted expression.
2725
2726 2004-05-14  Paul Brook  <paul@codesourcery.com>
2727
2728         * stor-layout.c (update_alignment_for_field): Use
2729         targetm.align_anon_bitfield.
2730         * target-def.h (TARGET_ALIGN_ANON_BITFIELD): Define.
2731         (TARGET_INITIALIZER): Use it.
2732         * target.h (struct gcc_target): Add align_anon_bitfield.
2733         * config/arm/arm.c (arm_align_anon_bitfield):  New function.
2734         (TARGET_ALIGN_ANON_BITFIELD): Define.
2735         * doc/tm.texi: Document TARGET_ALIGN_ANON_BITFIELD.
2736
2737 2004-05-13  Zack Weinberg  <zack@codesourcery.com>
2738
2739         * tree.def (documentation): Remove mention of class 'b'.
2740         (BLOCK): Now in class 'x'.
2741         * c-common.c (verify_tree): Remove case 'b'.
2742         * c-typeck.c (same_translation_unit_p): Change 'b' to 'x'.
2743         * calls.c (calls_function_1): Control cannot get past the switch
2744         when exp is a BLOCK.
2745         * print-tree.c (print_node): Move code for class 'b' to the class
2746         'c'/'x' switch, as case BLOCK.
2747         * tree.c (tree_size, make_node_stat, tree_node_structure): Likewise.
2748         (unsafe_for_reeval, substitute_placeholder_in_expr)
2749         (stabilize_reference_1): Remove case 'b'.
2750         * tree-browser.c (browse_tree): Change all tests for TREE_CODE_CLASS
2751         of something being 'b' to tests for TREE_CODE of something being
2752         BLOCK.
2753         * tree-ssa-operands.c (get_expr_operands): Likewise.
2754
2755 2004-05-13  Diego Novillo  <dnovillo@redhat.com>
2756
2757         * tree-gimple.c: Rename from tree-simple.c.
2758         * tree-gimple.h: Rename from tree-simple.h.
2759         * c-gimplify.c: Rename from c-simplify.c
2760         * Makefile.in, c-decl.c, gimple-low.c, gimplify.c,
2761         langhooks.c, tree-alias-ander.c, tree-alias-common.c,
2762         tree-complex.c, tree-dfa.c, tree-flow.h, tree-inline.c,
2763         tree-into-ssa.c, tree-iterator.c, tree-mudflap.c,
2764         tree-nested.c, tree-nomudflap.c, tree-outof-ssa.c, tree-sra.c,
2765         tree-ssa-alias.c, tree-ssa-ccp.c, tree-ssa-copyrename.c,
2766         tree-ssa-dce.c, tree-ssa-live.c, tree-ssa-pre.c, tree-ssa.c:
2767         Update.
2768
2769 2004-05-14  Ranjit Mathew  <rmathew@hotmail.com>
2770
2771         * doc/sourcebuild.texi: Mention libbanshee and libmudflap.
2772
2773 2004-05-13  Andrew Pinski  <pinskia@physics.uc.edu>
2774
2775         * tree-ssa.c (delete_tree_ssa): XFREE
2776         bitmaps allocated with BITMAP_XMALLOC.
2777
2778         * tree-ssa-pre.c (execute_pre): Free ephi_use_pool and
2779         idfs_cache at the end of the function.
2780
2781         * tree-ssa-live.c (calculate_live_on_entry): Free saw_def
2782         at the end of the function.
2783
2784         * tree-ssa-dce.c (perform_tree_ssa_dce): Free
2785         el at the end of the function.
2786
2787         * tree-into-ssa.c (insert_phi_nodes_for): XFREE
2788         bitmaps allocated with BITMAP_XMALLOC.
2789
2790         * loop-unswitch.c (unswitch_single_loop): Free bbs at
2791         the end.
2792
2793         * final.c (shorten_branches): Free uid_shuid before
2794         reallocating it.
2795
2796         * bb-reoder.c (connect_traces): Free cold_traces at the end.
2797
2798 2004-05-13  Jeff Law  <law@redhat.com>
2799
2800         * tree-ssa-live.c (calculate_live_on_entry): Ignore virtual
2801         variables.  Simplify slightly by using USE_OP/DEF_OP instead
2802         of USE_OP_PTR/DEF_OP_PTR and dereferencing the result.
2803
2804         * tree-into-ssa.c (compute_global_livein): Use EXECUTE_IF_SET_IN_BITMAP
2805         rather than iterating through the blocks testing each bit in
2806         livein to initialize the worklist.
2807         (mark_def_sites): Remove useless checks of KILLS for virtual
2808         operands.
2809
2810         * tree-ssa-forwprop.c (record_single_argument_cond_exprs): Accept
2811         new parameters for the statement and variable worklist as well
2812         as a bitmap of interesting SSA_NAMEs.  Walk over the statement
2813         worklist recording interesting variables in the variable worklist
2814         and bitmap.  Handle casts between integral and boolean types.
2815         (substitute_single_use_vars): Accept new parameters for the statement
2816         and variable worklist.  When a substitution is made add a new
2817         entry to the statement worklist.  Handle casts between integral
2818         and boolean types.
2819         (tree_ssa_forward_propagate_single_use_vars): Rework to pass
2820         worklists to children.  Iterate until the statement worklist
2821         is empty.
2822
2823 2004-05-13  Andrew Pinski  <pinskia@physics.uc.edu>
2824
2825         * tree-outof-ssa.c (rewrite_vars_out_of_ssa): Free map at
2826         the end of the block.
2827
2828         * tree-into-ssa.c (def_blocks_free): XFREE bitmaps allocated
2829         with BITMAP_XMALLOC.
2830
2831         * tree-ssa-alias.c (delete_alias_info): XFREE bitmaps allocated
2832         with BITMAP_XMALLOC.
2833
2834         * tree-ssa-dom.c (tree_ssa_dominator_optimize):
2835         Free nonzero_vars at the end of the function.
2836
2837         * convert.c (convert_to_integer): Make a CONVERT_EXPR when there is a
2838         need to generate code instead of a NOP_EXPR.
2839
2840 2004-05-13  Ian Lance Taylor  <ian@wasabisystems.com>
2841
2842         * gcc.c (default_compilers): Fill out initializers for new Fortran
2843         entries.
2844
2845 2004-05-13  Paul Brook  <paul@codesourcery.com>
2846
2847         * config/arm/arm.h (PCC_BITFIELD_TYPE_MATTERS): Define.
2848
2849 2004-05-13  Paul Brook  <paul@codesourcery.com>
2850
2851         * config/arm/arm.c (arm_default_short_enums): New function.
2852         (TARGET_DEFAULT_SHORT_ENUMS): Define.
2853
2854 2004-05-13  Diego Novillo  <dnovillo@redhat.com>
2855
2856         Merge from tree-ssa-20020619-branch.
2857
2858         * Makefile.in (reload1.o-warn): Add.
2859         (tree-alias-ander.o-warn): Add.
2860         (GMPLIBS): Define.
2861         (GMPINC): Define.
2862         (BANSHEELIB): Define.
2863         (BANSHEEINC): Define.
2864         (TREE_DUMP_H): Define.
2865         (TREE_SIMPLE_H): Define.
2866         (TREE_FLOW_H): Define.
2867         (LIBDEPS): Add BANSHEELIB.
2868         (INCLUDES): Add BANSHEEINC and GMPINC.
2869         (C_AND_OBJC_OBJS): Add c-simplify.o, tree-mudflap.o,
2870         c-mudflap.o and c-pretty-print.o.
2871         (C_OBJS): Remove c-pretty-print.o.
2872         (OBJS-common): Remove sibcall.o.
2873         Add tree-cfg.o, tree-dfa.o, tree-eh.o,
2874         tree-ssa.o, tree-optimize.o, tree-simple.o,
2875         tree-alias-type.o, gimplify.o, tree-pretty-print.o,
2876         tree-into-ssa.o, tree-outof-ssa.o, tree-alias-common.o,
2877         tree-ssa-ccp.o, @ANDER@, tree-ssa-dce.o, tree-ssa-copy.o,
2878         tree-nrv.o, tree-ssa-copyrename.o, tree-ssa-pre.o,
2879         tree-ssa-live.o, tree-ssa-operands.o, tree-ssa-alias.o,
2880         tree-ssa-phiopt.o, tree-ssa-forwprop.o, tree-nested.o,
2881         tree-ssa-dse.o, tree-ssa-dom.o, domwalk.o,
2882         tree-tailcall.o, gimple-low.o, tree-iterator.o,
2883         tree-phinodes.o, tree-ssanames.o, tree-sra.o,
2884         tree-complex.o, tree-ssa-loop.o, rtl-profile.o and
2885         tree-profile.o.
2886         (OBJC-archive): Add tree-nomudflap.o.
2887         (cc1): Add dependency on @TREEBROWSER@.
2888         (c-decl.o): Add dependency on TREE_DUMP_H.
2889         (c-dump.o): Likewise.
2890         (c-common.o): Add dependency on tree-iterator.h
2891         (c-pretty-print.o): Add dependency on DIAGNOSTIC_H.
2892         (gtype-desc.o): Add dependency on TREE_FLOW_H.
2893         (tree.o): Add dependency on tree-iterator.h,
2894         BASIC_BLOCK_H and TREE_FLOW_H.
2895         (tree-dump.o): Depend on TREE_DUMP_H instead of tree-dump.h.
2896         (langhooks.o): Add dependency on TREE_SIMPLE_H.
2897         (tree-alias-type.o, tree-alias-ander.o,
2898         tree-alias-common.o, tree-ssa.o, tree-into-ssa.o,
2899         tree-outof-ssa.o, tree-ssa-dse.o, tree-ssa-forwprop.o,
2900         tree-ssa-phiopt.o, tree-nrv.o, tree-ssa-copy.o,
2901         tree-ssa-dom.o, tree-ssanames.o, tree-phinodes.o,
2902         domwalk.o, tree-ssa-live.o, tree-ssa-copyrename.o,
2903         tree-ssa-pre.o, tree-cfg.o, tree-tailcall.o,
2904         tree-nested.o, tree-iterator.o, tree-dfa.o,
2905         tree-ssa-operands.o, tree-eh.o, tree-ssa-loop.o,
2906         tree-ssa-alias.o, tree-optimize.o, c-simplify.o,
2907         gimplify.o, gimple-low.o, tree-browser.o, tree-simple.o,
2908         tree-mudflap.o, c-mudflap.o, tree-nomudflap.o,
2909         tree-pretty-print.o, tree-ssa-dce.o, tree-ssa-ccp.o,
2910         tree-sra.o, tree-complex.o, tree-profile.o,
2911         rtl-profile.o): New rules.
2912         (function.o): Add dependency on basic-block.h
2913         (expr.o): Add dependency on tree-iterator.h.
2914         (sibcall.o): Remove.
2915         (profile.o): Depend on TREE_FLOW_H instead of TREE_H.
2916         (cfg.o): Add dependency on TIMEVAR_H.
2917         (cfghooks.o): Add dependency on TREE_FLOW_H.
2918         (reg-stack.o): Add dependency on basic-block.h.
2919         (GTFILES): Add hwint.h, tree-mudflaph.c, tree-flow.h,
2920         c-objc-common.c, c-common.c, c-parse.in, tree-ssanames.c,
2921         tree-eh.c, tree-phinodes.c, tree-cfg.c, tree-dfa.c,
2922         tree-ssa-ccp.c, tree-iterator.c, gimplify.c,
2923         tree-alias-type.h, tree-alias-common.h,
2924         tree-alias-type.c, tree-alias-common.c,
2925         tree-ssa-operands.h, tree-ssa-operands.c, tree-profile.c,
2926         rtl-profile.c and tree-nested.c.
2927         (gt-tree-alias-common.h, gt-tree-mudflap.h,
2928         gt-tree-ssa-ccp.h, gt-tree-eh.h, gt-tree-ssanames.h,
2929         gt-tree-iterator.h, gt-gimplify.h, gt-tree-phinodes.h,
2930         gt-tree-cfg.h, gt-tree-nested.h): New rules.
2931         (TEXI_GCCINT_FILES): Add cfg.texi and tree-ssa.texi.
2932         * basic-block.h: Include predict.h
2933         (struct edge_def): Add GTY marker.
2934         Change field 'insns' to be a union of tree and rtx.
2935         (EDGE_TRUE_VALUE): Define.
2936         (EDGE_FALSE_VALUE): Define.
2937         (EDGE_EXECUTABLE): Define.
2938         (struct bb_ann_d): Forward declare.
2939         (struct basic_block_def): Add GTY marker.
2940         Remove fields head_tree and end_tree.
2941         Add fields stmt_list, rbi and tree_annotations.
2942         (struct reorder_block_def): Define.
2943         (basic_block_info): Add GTY marker.
2944         (ENTRY_BLOCK_PTR, EXIT_BLOCK_PTR): Change to global
2945         variables instead of macros.
2946         (flow_call_edges_add): Remove declaration.
2947         (make_eh_edge): Remove declaration.
2948         (brief_dump_cfg, find_edge, tree_predicted_by_p,
2949         rtl_predicted_by_p, tree_predict_edge, rtl_predict_edge,
2950         predict_edge_def, rtl_make_eh_edge, find_basic_blocks,
2951         cleanup_cfg, delete_unreachable_blocks, merge_seq_blocks,
2952         alloc_rbi_pool, initialize_bb_rbi, free_rbi_pool): Declare.
2953         (try_redirect_by_replacing_jump): Modfiy return type to
2954         edge instead of bool.
2955         * bb-reorder.c (copy_bb): Call duplicate_block
2956         instead of cfg_layout_duplicate_bb.
2957         (copy_bb_p): Call can_duplicate_block_p instead of
2958         cfg_layout_can_duplicate_bb_p.
2959         * bitmap.c (bitmap_first_set_bit): Abort if word
2960         wasn't found.
2961         (bitmap_last_set_bit): Likewise.
2962         * builtin-types.def (DEF_FUNCTION_TYPE_2): Add
2963         (DEF_FUNCTION_TYPE_3): Add.
2964         * builtins.c (c_strlen): Make extern.
2965         (builtin_save_expr): New.
2966         (expand_builtin_nonlocal_goto): New.
2967         (expand_builtin_constant_p): Remove.
2968         (expand_builtin_mathfn): Call builtin_save_expr instead
2969         of save_expr.
2970         (expand_builtin_mathfn_2): Likewise.
2971         (expand_builtin_strcmp): Likewise.
2972         (expand_builtin_strncmp): Likewise.
2973         (expand_builtin_strcat): Likewise.
2974         (fold_builtin_cabs): Likewise.
2975         (expand_builtin_alloca): Don't trigger if -fmudflap is
2976         given.
2977         (build_string_literal): Set TREE_INVARIANT on new node.
2978         (expand_builtin_profile_fun): New.
2979         (round_trampoline_addr): New.
2980         (expand_builtin_init_trampoline): New.
2981         (expand_builtin_adjust_trampoline): New.
2982         (expand_builtin) <BUILT_IN_NEXT_ARG>: Call simplify_builtin_next_arg.
2983         <BUILT_IN_CONSTANT_P>: Return const0_rtx;
2984         <BUILT_IN_STACK_ALLOC, BUILT_IN_STACK_SAVE,
2985         BUILT_IN_STACK_RESTORE, BUILT_IN_NONLOCAL_GOTO,
2986         BUILT_IN_PROFILE_FUNC_ENTER, BUILT_IN_PROFILE_FUNC_EXIT,
2987         BUILT_IN_INIT_TRAMPOLINE, BUILT_IN_ADJUST_TRAMPOLINE>:
2988         Handle.
2989         (fold_builtin_expect): New.
2990         (fold_builtin_isascii): Don't return non-constant results
2991         in GIMPLE form.
2992         (fold_builtin_isdigit): Likewise.
2993         (fold_builtin_1): New.
2994         (fold_builtin): Call it.
2995         (build_function_call_expr): Update call to build a new
2996         CALL_EXPR.
2997         (purge_builtin_constant_p): Remove.
2998         (simplify_builtin, simplify_builtin_memcmp,
2999         simplify_builtin_strcmp, simplify_builtin_strncmp,
3000         simplify_builtin_strpbrk, simplify_builtin_strstr,
3001         simplify_builtin_strchr, simplify_builtin_strrchr,
3002         simplify_builtin_strcat, simplify_builtin_strncat,
3003         simplify_builtin_strspn, simplify_builtin_strcspn,
3004         simplify_builtin_next_arg, simplify_builtin_va_start,
3005         simplify_builtin_sprintf): New.
3006         * builtins.def (BUILT_IN_STACK_ALLOC,
3007         BUILT_IN_STACK_SAVE, BUILT_IN_STACK_RESTORE,
3008         BUILT_IN_INIT_TRAMPOLINE, BUILT_IN_ADJUST_TRAMPOLINE,
3009         BUILT_IN_NONLOCAL_GOTO, BUILT_IN_PROFILE_FUNC_ENTER,
3010         BUILT_IN_PROFILE_FUNC_EXIT): Define.
3011         * c-common.c: Include tree-iterator.h and hashtab.h.
3012         (lang_statement_code_p): Declare.
3013         (lang_gimplify_stmt): Declare.
3014         (fix_string_type): Set TREE_INVARIANT for value.
3015         (pointer_int_sum): Rely on build to set TREE_CONSTANT.
3016         (c_type_hash): New.
3017         (c_common_get_alias_set): Handle multiple type nodes
3018         referring to "the same" type, currently for C90 only.
3019         (c_add_case_label): Use create_artificial_label.
3020         (finish_label_address_expr): Don't set TREE_CONSTANT on
3021         result.
3022         (c_expand_expr): Don't handle STMT_EXPR.
3023         (handle_alias_attribute): Marke aliased variables to be
3024         TREE_STATIC.
3025         (handle_nonnull_attribute): Initialize arg_num.
3026         (check_function_nonnull): Likewise.
3027         (c_walk_subtrees): New.
3028         (c_estimate_num_insns_1): Don't handle
3029         EXPR_WITH_FILE_LOCATION nor FILE_STMT.
3030         (c_decl_uninit_1): Remove.
3031         (c_decl_uninit): Remove.
3032         (c_warn_unused_result): New.
3033         * c-common.def (ASM_STMT): Change number of operands
3034         to 4.
3035         (FILE_STMT): Remove.
3036         * c-common.h (lang_expand_stmt, lang_expand_decl_stmt):
3037         Remove.
3038         (lang_gimplify_stmt): Add.
3039         (expand_stmt): Remove.
3040         (ASM_CV_QUAL, ASM_STRING, ASM_OUTPUTS, ASM_INPUTS,
3041         ASM_CLOBBERS, STMT_EXPR_WARN_UNUSED_RESULT,
3042         ASM_VOLATILE_P, FILE_STMT_FILENAME_NODE,
3043         FILE_STMT_FILENAME, STMT_LINENO, STMT_LINENO_FOR_FN_P,
3044         ASM_INPUT_P, DECL_C_HARD_REGISTER): Remove.
3045         (genrtl_do_pushlevel, genrtl_goto_stmt, genrtl_expr_stmt,
3046         genrtl_expr_stmt_value, genrtl_decl_stmt, genrtl_if_stmt,
3047         genrtl_while_stmt, genrtl_do_stmt, genrtl_return_stmt,
3048         genrtl_for_stmt, genrtl_break_stmt, genrtl_continue_stmt,
3049         genrtl_scope_stmt, genrtl_switch_stmt, genrtl_case_label,
3050         genrtl_compound_stmt, genrtl_asm_stmt,
3051         genrtl_cleanup_stmt, c_decl_uninit): Remove.
3052         (c_do_switch_warnings, c_gimplify_expr, c_walk_subtrees,
3053         c_tree_chain_matters_p, c_warn_unused_result,
3054         c_genericize, c_gimplify_stmt, stmt_expr_last_stmt):
3055         Declare.
3056         * c-convert.c (convert): Make convert work when
3057         converting to compatible types across translation unit.
3058         * c-decl.c: Include langhooks.h, tree-mudflap.h,
3059         tree-simple.h, diagnostic.h and tree-dump.h
3060         (merge_decls): Initialize oldtype to NULL.
3061         (finish_decl): Use DECL_HARD_REGISTER instead of
3062         DECL_C_HARD_REGISTER.
3063         (check_bitfield_type_and_width): Check for null
3064         lang_type_specific when check the precision of an enum.
3065         (grokdeclarator): Immediately layout an ARRAY_TYPE used
3066         in a pointer-to-array declarator.
3067         (finish_struct): Clear allocated struct lang_type.
3068         (finish_enum): Set enum_min and enum_max.  Set
3069         TYPE_MIN/MAX_VALUE to the limits of the compatible type,
3070         not to the enumerators.
3071         (set_decl_nonlocal): New.
3072         (store_parm_decls): Use it via walk_tree.
3073         (c_finalize): New.
3074         (finish_function): When !targetm.have_ctors_dtors,
3075         record static constructors and destructors here...
3076         (c_expand_body_1): ... not here.
3077         (c_expand_decl): Rename from c_expand_decl_stmt.
3078         Handle all C-specific expansion semantics.
3079         * c-dump.c (dump_stmt): Use EXPR_LOCUS instead of
3080         STMT_LINENO.
3081         * c-format.c (handle_format_arg_attribute): Initialize
3082         format_num.
3083         * c-lang.c: Include tree-inline.h
3084         (LANG_HOOKS_EXPAND_DECL,
3085         LANG_HOOKS_FUNCTION_MISSING_NORETURN_OK_P,
3086         LANG_HOOKS_TREE_INLINING_WALK_SUBTREES,
3087         LANG_HOOKS_TREE_INLINING_TREE_CHAIN_MATTERS_P,
3088         LANG_HOOKS_GIMPLIFY_EXPR, LANG_HOOKS_TYPES_COMPATIBLE_P): Define.
3089         (LANG_HOOKS_DECL_UNINIT, LANG_HOOKS_RTL_EXPAND_STMT,
3090         LANG_HOOKS_TREE_INLINING_ESTIMATE_NUM_INSNS): Remove.
3091         (c_types_compatible_p): New.
3092         * c-mudflap.c: New file.
3093         * c-objc-common.c: Include tree-mudflap.h
3094         (start_cdtor, finish_cdtor): Collapse
3095         together into
3096         (build_cdtor): ...here.  Update to construct a complete tree
3097         for the function.  No need to call push_scope, pop_scope, or
3098         clear_last_expr, or set current_function_cannot_inline.
3099         (c_missing_noreturn_ok_p): Change prototype to return
3100         bool.
3101         (c_objc_common_init): Don't set lang_missing_noreturn_ok_p.
3102         * c-opts.c (c_common_handle_option): Move handling of -fdump- to
3103         opts.c.
3104         (c_common_post_options): Don't ever use rtl inlining.
3105         * c-parse.in: Use EXPR_LOCUS instead of STMT_LINENO.
3106         * c-pragma.c (handle_pragma_redefine_extname): Define
3107         always.
3108         (init_pragma): Activate #pragma redefine_extname for mudflap.
3109         * c-pretty-print.c (pp_c_statement): Remove FILE_STMT.
3110         (pp_c_initializer): Accept any type CONSTRUCTOR.
3111         (pp_c_initializer_list): Fix code expectations for VECTOR_TYPE and
3112         COMPLEX_TYPE.
3113         (decl_name_str): New local function.
3114         (pp_c_direct_declarator): Call it.
3115         (pp_c_primary_expression): Call it.
3116         (pp_c_id_expression): Call it.
3117         (pp_c_statement): Call it.
3118         (print_c_tree): Create new pp object.
3119         * c-pretty-print.h (pp_c_tree_decl_identifier,
3120         print_c_tree): Declare.
3121         * c-semantics.c: Include langhooks.h
3122         (lang_expand_stmt, lang_expand_decl_stmt,
3123         find_reachable_label_1, find_reachable_label,
3124         expand_unreachable_if_stmt, expand_unreachable_stmt,
3125         genrtl_do_stmt_1): Remove.
3126         (begin_stmt_tree): Don't check for changed filename.
3127         Call annotate_with_locus.
3128         (finish_stmt_tree): Don't set line for end of function.
3129         (build_stmt): Don't check type nodes for
3130         side effects.
3131         (build_stmt): Set TREE_SIDE_EFFECTS.
3132         Set EXPR_LOCUS instead of STMT_LINENO.
3133         (lang_expand_stmt, lang_expand_decl_stmt,
3134         expand_cond, genrtl_do_pushlevel, genrtl_goto_stmt, genrtl_expr_stmt,
3135         genrtl_expr_stmt_value, genrtl_decl_stmt, genrtl_if_stmt,
3136         genrtl_while_stmt, genrtl_do_stmt_1, genrtl_do_stmt,
3137         genrtl_return_stmt, genrtl_for_stmt, genrtl_break_stmt,
3138         genrtl_continue_stmt, genrtl_scope_stmt, genrtl_switch_stmt,
3139         genrtl_case_label, genrtl_compound_stmt, genrtl_asm_stmt,
3140         genrtl_cleanup_stmt, expand_stmt, find_reachable_label,
3141         find_reachable_label_1, expand_unreachable_if_stmt,
3142         expand_unreachable_stmt): Remove.
3143         (prep_stmt): Use EXPR_LOCUS instead of STMT_LINENO.
3144         * c-simplify.c: New file.
3145         * c-tree.h (C_LANG_TREE_NODE_CHAIN_NEXT): Define.
3146         (struct lang_type): Add fields enum_min and enum_max.
3147         (c_expand_decl_stmt, c_missing_noreturn_ok_p): Remove.
3148         (c_expand_decl, c_missing_noreturn_ok_p,
3149         c_types_compatible_p): Declare.
3150         * c-typeck.c (tagged_types_tu_compatible_p): Allow for
3151         compiler-generated TYPE_DECLs without a DECL_ORIGINAL_TYPE.
3152         (default_function_array_conversion): Rely on build to
3153         set TREE_CONSTANT.
3154         (parser_build_binary_op, pointer_diff): Likewise.
3155         (build_unary_op, build_binary_op): Likewise.
3156         (build_array_ref):
3157         (build_external_ref): Set TREE_INVARIANT.
3158         (build_c_cast, pop_init_level): Likewise.
3159         (process_init_element): Use ASM_VOLATILE_P.
3160         (build_asm_expr): Adapt to GENERIC/GIMPLE syntax.
3161         (c_finish_case): Call c_do_switch_warnings.
3162         * c.opt (fdump-): Remove.
3163         * calls.c (try_to_integrate): Remove.
3164         (prepare_call_address): Replace fndecl arg with a
3165         precomputed static chain value.
3166         (emit_call_1): New argument for full call expr.
3167         (flags_from_decl_or_type): Call special_function_p.
3168         (initialize_argument_information): Add argument
3169         may_tailcall.
3170         (purge_reg_equiv_notes): New.
3171         (expand_call): Do not try to expand calls inline.
3172         (fixup_tail_calls): New.
3173         * cfg.c: Include timevar.h and ggc.h.
3174         (bb_pool, edge_pool): Remove.
3175         (ENTRY_BLOCK_PTR, EXIT_BLOCK_PTR): Declare.
3176         (entry_exit_blocks): Remove.
3177         (rbi_pool): Declare.
3178         (init_flow): Do not create pools.
3179         Allocate entry/exit block.
3180         (free_edge, alloc_block, expunge_block, unchecked_make_edge): Use GGC.
3181         (alloc_rbi_pool, free_rbi_pool, initialize_bb_rbi): New.
3182         (unlink_block): Clear b->prev_bb and b->next_bb.
3183         (compact_blocks): Clear all slots of BASIC_BLOCK array.
3184         (dump_flow_info): Work on trees too.
3185         (dump_cfg_bb_info): New.
3186         (brief_dump_cfg): New.
3187         * cfganal.c (need_fake_edge_p, flow_call_edges_add): Remove.
3188         (find_edge): New.
3189         * cfgbuild.c (rtl_make_eh_edge): Rename from
3190         make_eh_edge.  Update all users.
3191         (find_basic_blocks): Don't call VARRAY_FREE on
3192         basic_block_info.
3193         * cfgcleanup.c (outgoing_edges_match): Initialize newpos1
3194         and newpos2.
3195         (delete_unreachable_blocks): Return changed status.
3196         (merge_seq_blocks): New.
3197         * cfghooks.c: Include tree-flow.h
3198         (tree_register_cfg_hooks, ir_type): New.
3199         (redirect_edge_and_branch): Change return type to edge.
3200         (predict_edge, predicted_by_p, can_duplicate_block_p,
3201         duplicate_block, block_ends_with_call_p,
3202         block_ends_with_condjump_p, flow_call_edges_add): New.
3203         * cfghooks.h (redirect_edge_and_branch): Change return
3204         type to edge.
3205         (predict_edge, predicted_by_p, can_duplicate_block_p,
3206         duplicate_block, block_ends_with_call_p,
3207         block_ends_with_condjump_p, flow_call_edges_add): Declare.
3208         (redirect_edge_and_branch): Change return type to edge.
3209         (struct cfg_hooks): Add fields block_ends_with_call_p,
3210         block_ends_with_condjump_p, flow_call_edges_add,
3211         predict_edge, predicted_by_p, can_duplicate_block_p and
3212         duplicate_block.
3213         (tree_cfg_hooks, ir_type, tree_register_cfg_hooks): Declare.
3214         * cfglayout.c (cfg_layout_pool, cfg_layout_initialize_rbi): Removed.
3215         (fixup_reorder_chain): Use initialize_bb_rbi.
3216         (cfg_layout_can_duplicate_bb_p, cfg_layout_duplicate_bb): Hookized.
3217         (cfg_layout_initialize): Use cfg.c rbi pool manipulation functions.
3218         (can_copy_bbs_p, copy_bbs): Use cfghooks for bb duplication.
3219         (insn_locators_initialize): Use new info about blocks.
3220         * cfglayout.h (typedef struct reorder_block_def): Moved to
3221         basic_block.h.
3222         (cfg_layout_can_duplicate_bb_p, cfg_layout_duplicate_bb): Declaration
3223         removed.
3224         * cfgloop.c: Include tree.h and tree-flow.h.
3225         * cfgloop.h (create_loop_notes): Declare.
3226         * cfgloopmanip.c (create_loop_notes): New.
3227         * cfgrtl.c (cfg_layout_create_basic_block): Use initialize_bb_rbi.
3228         (rtl_cfg_hooks, cfg_layout_rtl_cfg_hook): Fill in can_duplicate_block_p
3229         and duplicate_block fields.
3230         (create_basic_block_structure): Don't look at
3231         RTX_INTEGRATED_P.
3232         (rtl_block_ends_with_call_p): New.
3233         (rtl_block_ends_with_condjump_p): New.
3234         (need_fake_edge_p): Moved from cfganal.c.
3235         (rtl_flow_call_edges_add): Moved from cfganal.c (flow_call_edges_add).
3236         (rtl_cfg_hooks): Add rtl_block_ends_with_call_p,
3237         rtl_block_ends_with_condjump_p, rtl_flow_call_edges_add.
3238         (cfg_layout_rtl_cfg_hooks): Ditto.
3239         * cgraph.c (cgraph_mark_reachable_node): Don't force nested
3240         functions to be reachable.
3241         * cgraphunit.c (decide_is_function_needed):
3242         * cgraphunit.c (decide_is_function_needed): Nested functions of extern
3243         inline functions don't need to be output.
3244         (cgraph_assemble_pending_functions): Don't do anything
3245         special for nested functions.
3246         (cgraph_mark_functions_to_output): Likewise.
3247         (cgraph_finalize_function): Don't zap DECL_STRUCT_FUNCTION.
3248         (cgraph_analyze_function): Use estimate_num_insns.
3249         (cgraph_mark_functions_to_output): Likewise.
3250         (cgraph_estimate_growth, cgraph_clone_inlined_nodes): Likewise.
3251         (cgraph_expand_function): Allow functions to not be
3252         emitted.
3253         (cgraph_remove_unreachable_nodes):
3254         (cgraph_recursive_inlining_p): Simplify.
3255         (lookup_recursive_calls,
3256         cgraph_decide_recursive_inlining): New.
3257         (cgraph_decide_inlining_*): Update calls of
3258         cgraph_mark_inline.
3259         * combine.c (get_pos_from_mask): Always set *plen.
3260         * common.opt (fdump-, fmudflap, fmudflapth, fmudflapir,
3261         ftree-based-profiling, ftree-ccp, ftree-ch,
3262         ftree-combine-temps, ftree-copyrename, ftree-dce,
3263         ftree-dominator-opts, ftree-dse, ftree-loop-optimize,
3264         ftree-points-to, ftree-pre, ftree-sra, ftree-ter,
3265         ftree-lrs): Add.
3266         * config.in (HAVE_LD_PIE, HAVE_BANSHEE, PREFIX_INCLUDE_DIR):
3267         Undefine.
3268         * configure.ac: Add --enable-tree-browser option.
3269         Add --with-libbanshee option.
3270         Add GMPLIBS and GMPINC.
3271         * configure: Regenerate.
3272         * coverage.c (tree_ctr_tables): New.
3273         (coverage_counter_alloc): Use it.
3274         (build_ctr_info_value): Ditto.
3275         (coverage_counter_ref): Ditto.  Rename to rtl_coverage_counter_ref.
3276         (tree_coverage_counter_ref): New.
3277         * coverage.h (coverage_counter_ref): Remove declaration.
3278         (rtl_coverage_counter_ref): Declare.
3279         (tree_coverage_counter_ref): Declare.
3280         * cppexp.c (append_digit): Rearrange unsignedp/overflow setting.
3281         (eval_token, num_binary_op, num_part_mul, num_div_op): Likewise.
3282         * cse.c (fold_rtx): Do not handle CONSTANT_P_RTX.
3283         (struct cse_basic_block_data): Rename enum values to not
3284         conflict with profile.h; update all uses.
3285         * dbxout.c (dbxout_symbol_location): Don't mention integrate.c
3286         in comments.
3287         * defaults.h (TRAMPOLINE_ALIGNMENT): Move from function.c.
3288         * diagnostic.h (debug_output_buffer, dump_generic_node,
3289         print_generic_stmt, print_generic_stmt_indented,
3290         print_generic_expr, print_generic_decl,
3291         debug_generic_expr, debug_generic_stmt, debug_c_tree):
3292         Declare.
3293         * dominance.c: Cache immediate dominators.
3294         * domwalk.c: New file.
3295         * domwalk.h: New file.
3296         * dwarf2out.c (is_fortran): Support DW_LANG_Fortran95.
3297         (gen_subprogram_die): Generate a DIE for a named
3298         return value.
3299         (loc_descriptor_from_tree): Treat RESULT_DECL like VAR_DECL.
3300         (add_location_or_const_value_attribute): Likewise.
3301         (add_bound_info): Likewise.
3302         (gen_decl_die): Likewise.
3303         * emit-rtl.c (maybe_set_first_label_num): New.
3304         (copy_most_rtx): Don't copy the integrated flag.
3305         Copy the new return_val flag.
3306         * et-forest.c (MAX_NODES): Define.
3307         (record_path_before_1): Abort if len is greater than
3308         MAX_NODES.
3309         * except.c (gen_eh_region, gen_eh_region_cleanup, gen_eh_region_try,
3310         gen_eh_region_catch, gen_eh_region_allowed,
3311         gen_eh_region_must_not_throw, get_eh_region_number,
3312         get_eh_region_may_contain_throw, get_eh_region_tree_label,
3313         set_eh_region_tree_label, expand_resx_expr): New.
3314         (expand_eh_region_start, expand_start_catch): Use them.
3315         (expand_end_catch): Tidy.
3316         (note_eh_region_may_contain_throw): Take region argument.
3317         (note_current_region_may_contain_throw): New.
3318         (get_exception_filter): Export.
3319         (collect_eh_region_array): Export.
3320         (remove_unreachable_regions): Check ERT_TRY based on reachability
3321         of catches, not reachability of continue_label.  Never remove
3322         ERT_MUST_NOT_THROW regions.
3323         (collect_rtl_labels_from_trees): New.
3324         (convert_from_eh_region_ranges): Use it.
3325         (connect_post_landing_pads): Handle dying cleanups.
3326         (struct reachable_info): Add callback data.
3327         (add_reachable_handler): Invoke the callback.
3328         (foreach_reachable_handler): New.
3329         (reachable_handlers): Use it.
3330         (arh_to_landing_pad, arh_to_label): New.
3331         (can_throw_internal_1): Split out from can_throw_internal.
3332         (can_throw_external_1): Similarly.
3333         * except.h: Update.
3334         * explow.c (emit_stack_save): Remove savearea mode check.
3335         (update_nonlocal_goto_save_area): New.
3336         (allocate_dynamic_stack_space): Use it.
3337         (probe_stack_range): Never emit loop notes.
3338         * expmed.c (extract_fixed_bit_field): Always propagate the
3339         target for the shift if it is a REG.
3340         * expr.c: Include tree-iterator.h
3341         (is_zeros_p): Remove.
3342         (categorize_ctor_elements_1, categorize_ctor_elements): New.
3343         (count_type_elements): New.
3344         (mostly_zeros_p): Use them.
3345         (expr_wfl_stack): Remove.
3346         (convert_move): Do nothing if to and from are the same.
3347         (emit_block_move_via_loop): Don't emit LOOP notes.
3348         (emit_move_insn): Don't handle CONSTANT_P_RTX.
3349         (emit_move_insn_1): Don't generate inline warnings.
3350         (expand_vars, expand_var): Split from ...
3351         (expand_expr_1): ... here.
3352         (expand_expr_real, expand_expr_real_1):  Use new macros
3353         EXPR_LOCATION and EXPR_HAS_LOCATION.
3354         * expr.h (simplify_builtin_fputs,
3355         simplify_builtin_strcpy, simplify_builtin_strncpy,
3356         expand_var, fixup_tail_calls,
3357         update_nonlocal_goto_save_area): Declare.
3358         (lookup_static_chain, expand_inline_function,
3359         mark_seen_cases): Remove.
3360         (prepare_call_address): Change type of 2nd argument to
3361         rtx.
3362         * final.c (profile_function): Update static chain test.
3363         (final): Don't look at RTX_INTEGRATED_P.
3364         * flags.h (flag_mudflap, flag_mudflap_threads,
3365         flag_mudflap_ignore_reads, flag_tree_pre, flag_tree_ccp,
3366         flag_tree_dce, flag_tree_combine_temps,
3367         flag_tree_live_range_split, flag_tree_dom, flag_tree_ch,
3368         flag_tree_dse, flag_tree_sra, flag_tree_copyrename,
3369         flag_tree_points_to): Declare.
3370         (enum pta_type): Declare.
3371         * flow.c (lang_missing_noreturn_ok_p): Remove.
3372         (check_function_return_warnings): Remove.
3373         (update_life_info): Update comments.
3374         (free_basic_block_vars): Don't call VARRAY_FREE for
3375         basic_block_info.
3376         (regno_uninitialized): Remove.
3377         * fold-const.c (int_const_binop): Make extern.
3378         (non_lvalue): Rely on build to set TREE_CONSTANT.
3379         (operand_equal_p): Replace only_const argument with
3380         flags.  Allow pure functions if OEP_PURE_SAME.
3381         (fold): Use OEP_ONLY_CONST.
3382         (invert_truthvalue) <NOP_EXPR> Break if argument is of
3383         boolean type.
3384         (fold_relational_hi_lo,
3385         nondestructive_fold_binary_to_constant,
3386         nondestructive_fold_unary_to_constant,
3387         fold_read_from_constant_string): New.
3388         * function.c (struct function): Remove calls_constant_p.
3389         (current_function_calls_constant_p): Remove.
3390         (inline_function_decl): Remove.
3391         (put_var_into_stack): Don't use it.
3392         (fix_lexical_addr): Likewise.
3393         (inline_function_decl): Remove extern declaration.
3394         (TRAMPOLINE_ALIGNMENT): Move to defaults.h.
3395         (trampolines_created): Move to varasm.c.
3396         (free_after_compilation): Update for removed fields.
3397         (allocate_struct_function): Likewise.
3398         (delete_handlers, lookup_static_chain): Remove.
3399         (fix_lexical_addr): Don't consider non-local variable refs.
3400         (trampoline_address): Remove.
3401         (round_trampoline_addr): Move to builtins.c.
3402         (adjust_trampoline_addr): Remove.
3403         (expand_function_start): Update for changes to static chain
3404         and nonlocal goto handling.
3405         (initial_trampoline): Move to varasm.c.
3406         (expand_function_end): Don't build trampolines or kill
3407         unreferenced nonlocal goto labels.
3408         (free_after_compilation): Don't set it.
3409         (expand_function_end): Likewise.
3410         (setjmp_vars_warning): Rename from
3411         uninitialized_vars_warning, remove uninitialized vars warning.
3412         (uninitialized_vars_warning): Remove old comment
3413         and check for