OSDN Git Service

3c9b760cb970ac98f24b391f6ca0e6ebea6ff2a7
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2005-06-09  Gabriel Dos Reis  <gdr@integrable-solutions.net>
2
3         PR c/21759
4         * c.opt (Wc++-compat): New.
5         * doc/invoke.texi (-Wc++-compat): Document.
6         * c-typeck.c (convert_for_assignment): Check for implicit
7         conversion void* -> T*.
8
9 2005-06-09  Gabriel Dos Reis  <gdr@cs.tamu.edu>
10
11         * machmode.h (to_machine_mode): New.
12         * rtl.h (to_rtx_code): Likewise.
13         * read-rtl.c (apply_mode_macro): Convert mode to machine_mode.
14         (print_c_condition): Convert return value of htab_find().
15         (apply_code_macro): Add explicit cast when convertin to enums.
16         (apply_mode_maps): Likewise.
17         (check_code_macro): Likewise.
18         (read_rtx_1): Likewise.
19
20 2005-06-09  Richard Henderson  <rth@redhat.com>
21
22         * config/ia64/ia64.c (update_set_flags): Just return for IF_THEN_ELSE.
23         Use SCALAR_FLOAT_MODE_P.
24         * config/ia64/vect.md (vcondv2sf): Remove code check on comparison.
25         (fselect): Rename from fpcmp; use %F.
26         (fpcmp): New.
27
28 2005-06-09  Jan Hubicka  <jh@suse.cz>
29
30         * cgraphunit.c (cgraph_create_edges): Do not walk BLOCK; finalize
31         local statics when doing unit-at-a-time.
32         (cgraph_varpool_assemble_pending_decls): Output debug info.
33         * dwarf2out.c (decls_for_scope): Skip local statics.
34         (dwarf2out_decl): Handle local statics.
35         * passes.c (rest_of_decl_compilation): Do not differentiate
36         local and global statics in unit-at-a-time.
37         * tree-inline.c (remap_decls): Put local static into
38         unexpanded_vars_list rather than introducing duplicated VAR_DECL
39         node.
40
41 2005-06-09  Daniel Berlin  <dberlin@dberlin.org>
42
43         * config/rs6000/rs6000.c: (rs6000_insn_valid_within_doloop): Fix
44         prototype.
45
46 2005-06-08  Daniel Berlin  <dberlin@dberlin.org>
47
48         * Makefile.in (OBJS-common): Add tree-ssa-structalias.o.
49         * tree-flow.h (find_what_p_points_to): Add prototype.
50         (push_fields_onto_fieldstack): Ditto.
51         (sort_fieldstack): Ditto.
52         * tree-optimize.c (init_tree_optimization_passes): Add
53         pass_build_pta and pass_del_pta.
54         * tree-pass.h (pass_build_pta): New structure.
55         (pass_del_pta): Ditto.
56         * tree-ssa-alias.c (compute_flow_sensitive_aliasing): Disambiguate
57         using new alias analyzer.
58         (push_fields_onto_fieldstack): Removed from here.
59         (bitpos_of_field): Ditto.
60         (fieldoff_compare): Ditto.
61         * tree-ssa-structalias.c: New file.
62         * tree-ssa-structalias.h: Ditto.
63
64 2005-06-09  Nathan Sidwell  <nathan@codesourcery.com>
65
66         * c-typeck.c (build_c_cast): Check type punning on COMPONENT_REF
67         too.
68
69 2005-06-09  Bernd Schmidt  <bernd.schmidt@analog.com>
70
71         * config/bfin/bfin.c (enum bfin_builtins): Moved here from...
72         * config/bfin/bfin.h (enum bfin_builtins): ... here.
73
74 2005-06-09  Adrian Straetling  <straetling@de.ibm.com>
75
76         * target.h (insn_valid_within_doloop): Rename into
77         "invalid_within_doloop".  Change return type to "const char *".
78         Update Comment.
79         * targhooks.h (default_insn_valid_within_doloop): Rename into
80         "default_invalid_within_doloop". 
81         * targhooks.c (default_insn_valid_within_doloop): Likewise.
82         Update Comment.
83         * target-def.h (TARGET_INSN_VALID_WITHIN_DOLOOP): Rename target hook
84         into "TARGET_INVALID_WITHIN_DOLOOP". Default it to
85         "default_invalid_within_doloop".
86         * hooks.c (hook_constcharptr_rtx_null): New function.
87         (hook_bool_rtx_true): Remove.
88         * hooks.h (hook_constcharptr_rtx_null): Declare.
89         (hook_bool_rtx_true): Remove.
90         * loop-doloop.c (doloop_valid_p): Temporarily store return value of
91         "invalid_within_doloop" and print error message if non-null.
92         Update Comment.
93         * doc/tm.texi: Update documentation.
94         * config/s390/s390.c: Adjust to new hook name and new default hook.
95         * config/rs6000/rs6000.c: (rs6000_insn_valid_within_doloop): Rename
96         into "rs6000_invalid_within_doloop".
97         (rs6000_invalid_within_doloop): Change return type to "static const
98         char *" and replace return values.  Update Comment.
99
100 2005-06-09  Bernd Schmidt  <bernd.schmidt@analog.com>
101
102         * config/bfin/bfin.opt (mlong-calls): New.
103         * config/bfin/predicates.md (call_insn_operand): Disallow SYMBOL_REF
104         if TARGET_LONG_CALLS.
105
106 2005-06-09  Richard Henderson  <rth@redhat.com>
107
108         PR tree-opt/20610
109         * tree.h (DECL_COMPLEX_GIMPLE_REG_P): New.
110         (struct tree_decl): Add gimple_reg_flag.
111         * integrate.c (copy_decl_for_inlining): Copy it.
112         * gimplify.c (internal_get_tmp_var): Set it.
113         (gimplify_bind_expr): Likewise.
114         (gimplify_function_tree): Likewise.
115         (gimplify_modify_expr_complex_part): New.
116         (gimplify_modify_expr): Use it.
117         * tree-gimple.c (is_gimple_reg_type): Allow complex.
118         (is_gimple_reg): Allow complex with DECL_COMPLEX_GIMPLE_REG_P set.
119
120         * tree-complex.c (complex_lattice_t): New.
121         (complex_lattice_values, complex_variable_components): New.
122         (some_nonzerop, find_lattice_value, is_complex_reg,
123         init_parameter_lattice_values, init_dont_simulate_again, 
124         complex_visit_stmt, complex_visit_phi, create_components,
125         update_complex_components, update_parameter_components, 
126         update_phi_components, update_all_vops, expand_complex_move): New.
127         (extract_component): Handle INDIRECT_REF, COMPONENT_REF, ARRAY_REF,
128         SSA_NAME.
129         (update_complex_assignment): Use update_complex_components;
130         handle updates of return_expr properly.
131         (expand_complex_addition): Use complex lattice values.
132         (expand_complex_multiplication): Likewise.
133         (expand_complex_division): Likewise.
134         (expand_complex_libcall): Use update_complex_components.
135         (expand_complex_comparison): Use update_stmt.
136         (expand_complex_operations_1): Use expand_complex_move, retrieve
137         lattice values.
138         (tree_lower_complex): Compute lattice values.
139         (tree_lower_complex_O0): Duplicate from tree_lower_complex.
140         (pass_lower_complex_O0): Rename from pass_lower_complex.
141         (pass_lower_complex, gate_no_optimization): New.
142         * tree-optimize.c (init_tree_optimization_passes): Update for
143         complex pass changes.
144         * tree-pass.h (pass_lower_complex_O0): Declare.
145
146 2005-06-08  Dale Johannesen  <dalej@apple.com>
147
148         * config/darwin.c (darwin_binds_local_p):  New.
149         * config/darwin-protos.h (darwin_binds_local_p):  Declare it.
150         * config/i386/i386.c (TARGET_BINDS_LOCAL_P):  Use it for TARGET_MACHO.
151         * config/rs6000/rs6000.c (rs6000_binds_local_p):  Remove.
152         (TARGET_BINDS_LOCAL_P):  Change it to darwin_binds_local_p.
153
154 2005-06-08  Aldy Hernandez  <aldyh@redhat.com>
155
156         * config/rs6000/rs6000.h: Remove rs6000_long_double_size_string,
157         rs6000_isel, rs6000_spe, rs6000_alignment_string,
158         rs6000_sched_restricted_insns_priority_str,
159         rs6000_sched_restricted_insns_priority, rs6000_abi_string.
160
161 2005-06-08  Zdenek Dvorak  <dvorakz@suse.cz>
162
163         * tree-ssa-address.c (addr_for_mem_ref): Use LAST_VIRTUAL_REGISTER
164         instead of FIRST_PSEUDO_REGISTER for creating pseudoregisters.
165         * tree-ssa-loop-ivopts.c (add_cost, multiply_by_cost,
166         multiplier_allowed_in_address_p, get_address_cost): Ditto.
167
168 2005-06-08  Richard Henderson  <rth@redhat.com>
169
170         * config/ia64/ia64.h (NO_PROFILE_COUNTERS): New.
171         * config/ia64/ia64.c (ia64_output_function_profiler): Honor it.
172         Emit out3 load right after alloc.
173
174 2005-06-08  Aldy Hernandez  <aldyh@redhat.com>
175
176         * config/rs6000/linuxspe.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Use
177         rs6000_explicit_options.
178
179 2005-06-08  Richard Henderson  <rth@redhat.com>
180
181         * config/ia64/ia64.h (FUNCTION_PROFILER): Move implementation ...
182         * config/ia64/ia64.c (ia64_output_function_profiler): ... here; add
183         unwind markup.
184         * config/ia64/ia64-protos.h (ia64_output_function_profiler): Declare.
185
186 2005-06-08  Joseph S. Myers  <joseph@codesourcery.com>
187
188         * config/sol2-c.c (cmn_err_char_table): Allow width for %b
189         formats.
190
191 2005-06-08  James A. Morrison  <phython@gcc.gnu.org>
192
193         PR target/20666
194         * config/sparc/sparc.c (sparc_fold_builtin): New function
195         (sparc_vis_mul8x16): New function.
196         (sparc_handle_vis_mul8x16): New function.
197         (TARGET_FOLD_BUILTIN): Define to sparc_fold_builtin.
198
199 2005-06-08  David Edelsohn  <edelsohn@gnu.org>
200
201         * config/rs6000/rs6000.md (call_indirect_nonlocal_aix32): Prefer
202         CTR to LR.
203         (call_indirect_nonlocal_aix64): Same.
204         (call_value_indirect_nonlocal_aix32): Same.
205         (call_value_indirect_nonlocal_aix64): Same.
206
207         PR target/10588
208         (eq): Use CLZ splitter for compare with zero.
209
210 2005-06-08  Bernd Schmidt  <bernd.schmidt@analog.com>
211
212         * config/bfin/bfin.c (bfin_return_in_memory): Simplify; return
213         everything larger than 8 bytes in memory.
214
215         * config/bfin/bfin.h (enum bfin_builtins): New.
216         * config/bfin/bfin.md (UNSPEC_VOLATILE_CSYNC, UNSPEC_VOLATILE_SSYNC):
217         New constants.
218         (csync, ssync): New insn patterns.
219         * config/bfin/bfin.c (bfin_init_builtins, bfin_expand_builtin):
220         New functions.
221         (def_builtin): New macro.
222         (TARGET_INIT_BUILTINS, TARGET_EXPAND_BUILTIN): Define.
223
224         From Jie Zhang  <jie.zhang@analog.com>
225         * config/bfin/bfin.h (ASM_OUTPUT_ALIGN): Gas now emulates the
226         behavior of the native assembler in VDSP. So change accordingly.
227         
228 2005-06-08  Sebastian Pop  <pop@cri.ensmp.fr>
229
230         * tree-data-ref.c (compute_estimated_nb_iterations,
231         analyze_array_indexes, compute_overlap_steps_for_affine_1_2,
232         analyze_subscript_affine_affine, find_data_references_in_loop):
233         Fixed to use chrec_contains_undetermined to test the values of
234         loop->estimated_nb_iterations.
235         * tree-ssa-loop-niter.c (estimate_numbers_of_iterations_loop):
236         Compute the estimation only when loop->estimated_nb_iterations
237         has not yet been initialized.
238         (convert_step_widening, scev_probably_wraps_p): Add a call to
239         estimate_numbers_of_iterations_loop.
240         * tree-vrp.c (execute_vrp): Don't call estimate_numbers_of_iterations.
241
242 2005-06-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
243
244         PR debug/21946
245         * dwarf2out.c (add_loc_descr_op_piece): Move to the
246         DWARF2_DEBUGGING_INFO section.
247
248 2005-06-08  Richard Henderson  <rth@redhat.com>
249
250         PR target/21721
251         * config/ia64/ia64.c (emit_predicate_relation_info): Skip p0.
252
253 2005-06-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
254
255         PR target/21889
256         * target.h (gcc_target) <asm_out>: New field output_dwarf_dtprel.
257         * target-def.h (TARGET_ASM_OUTPUT_DWARF_DTPREL): New macro.
258         (TARGET_ASM_OUT): Add it.
259         * doc/tm.texi (Debugging Info): Document it.
260         * dwarf2out.c (output_loc_operands) <INTERNAL_DW_OP_tls_addr>:
261         Test it instead of ASM_OUTPUT_DWARF_DTPREL.
262         (loc_descriptor_from_tree_1) <VAR_DECL>: Likewise.
263         * system.h: Poison ASM_OUTPUT_DWARF_DTPREL.
264         * config/frv/frv-protos.h (frv_output_dwarf_dtprel): Delete.
265         * config/frv/frv.c (frv_output_dwarf_dtprel): Make static and unused.
266         (gen_inlined_tls_plt): Remove unused variable MEM.
267         (TARGET_ASM_OUTPUT_DWARF_DTPREL): Define to frv_output_dwarf_dtprel.
268         * config/frv/frv.h (ASM_OUTPUT_DWARF_DTPREL): Delete.
269         * config/i386/i386-protos.h (i386_output_dwarf_dtprel): Delete.
270         * config/i386/i386.c (i386_output_dwarf_dtprel): Make static and
271         unused.
272         (TARGET_ASM_OUTPUT_DWARF_DTPREL): Define to i386_output_dwarf_dtprel.
273         * config/i386/i386.h (ASM_OUTPUT_DWARF_DTPREL): Delete.
274         * config/ia64/ia64-protos.h (ia64_output_dwarf_dtprel): Delete.
275         * config/ia64/ia64.c (ia64_output_dwarf_dtprel): Make static and
276         unused.
277         (TARGET_ASM_OUTPUT_DWARF_DTPREL): Define to ia64_output_dwarf_dtprel.
278         * config/ia64/ia64.h (ASM_OUTPUT_DWARF_DTPREL): Delete.
279         * config/rs6000/rs6000-protos.h (rs6000_output_dwarf_dtprel): Delete.
280         * config/rs6000/rs6000.c (rs6000_output_dwarf_dtprel): Make static and
281         unused.
282         (TARGET_ASM_OUTPUT_DWARF_DTPREL): Define to rs6000_output_dwarf_dtprel
283         * config/rs6000/rs6000.h (ASM_OUTPUT_DWARF_DTPREL): Delete.
284         * config/s390/s390-protos.h (s390_output_dwarf_dtprel): Delete.
285         * config/s390/s390.c (s390_output_dwarf_dtprel): Make static and
286         unused.
287         (TARGET_ASM_OUTPUT_DWARF_DTPREL): Define to s390_output_dwarf_dtprel.
288         * config/s390/s390.h (ASM_OUTPUT_DWARF_DTPREL): Delete.
289         * config/sparc/sol2-gas.h (TARGET_SUN_TLS): Define to 0.
290         (TARGET_GNU_TLS): Define to 1.
291         * config/sparc/sparc-protos.h (sparc_output_dwarf_dtprel): Delete.
292         * config/sparc/sparc.c (sparc_output_dwarf_dtprel): Make static and
293         unused.
294         (TARGET_ASM_OUTPUT_DWARF_DTPREL): Define to sparc_output_dwarf_dtprel
295         if TARGET_GNU_TLS only.
296         * config/sparc/sparc.h (ASM_OUTPUT_DWARF_DTPREL): Delete.
297
298         * config.gcc (sparc64-*-solaris2*): Include tm-dwarf2.h last.
299         (sparc-*-solaris2*): Likewise on Solaris 7 and up.
300
301 2005-06-07  Dale Johannesen  <dalej@apple.com>
302
303         * config/i386/i386.md (movqi_1):  Fix case where source
304         is memory and destination EDI.
305
306 2005-06-08  Kazu Hirata  <kazu@codesourcery.com>
307
308         * config/c4x/c4x.h (PREDICATE_CODES): Remove mem_operand.
309
310 2005-06-07  Eric Christopher  <echristo@redhat.com>
311
312         * system.h: Poison EXTRA_CC_MODES.
313         * config/frv/frv.h (SELECT_CC_MODE): Rewrite comment.
314         * config/ia64/ia64.h (SELECT_CC_MODE): Ditto.
315         * doc/md.texi (Jump Patterns): Replace reference to
316         EXTRA_CC_MODES with machine-modes.def.
317         * doc/rtl.texi (Machine Modes): Ditto.
318
319 2005-06-07  Richard Henderson  <rth@redhat.com>
320
321         * varasm.c (initialize_cold_section_name): Fix alloca buffer overflow.
322         (assemble_start_function): Fix strcmp confusion.
323
324 2005-06-07  Uros Bizjak  <uros@kss-loka.si>
325
326         * config/i386/i386.h (enum ix86_entity): New.
327         (enum ix86_stack_slot): New.
328         (OPTIMIZE_MODE_SWITCHING): Redefine to use
329         ix86_optimize_mode_switching[] array.
330         (NUM_MODES_FOR_MODE_SWITCHING): Redefine for 4 entities.
331         (MODE_NEEDED): Use ix86_mode_needed() function.
332         (EMIT_MODE_SET): Redefine for changed emit_i387_cw_initialization ()
333         function.
334         (struct machine_function): Use optimize_mode_switching[] array.
335
336         * config/i386/i386.c (MAX_386_STACK_LOCALS): Remove.
337         (ix86_mode_needed): New function.
338         (emit_i387_cw_initialization): Cleanup. Use mode to calculate
339         correct stack positions for stored control words.
340         (assign_386_stack_local): Use enum ix86_stack_slot. Change assert.
341         (ix86_expand_builtin) [IX86_BUILTIN_LDMXCSR]: Change constant to
342         SLOT_TEMP.
343         [IX86_BUILTIN_STMXCSR]: Same.
344
345         * config/i386/i386-protos.h (assign_stack_local): Change prototype.
346         (emit_i387_cw_initialization): Change prototype.
347         (ix86_mode_needed): New prototype.
348
349         * config/i386/i386.md (i387_cw attribute): Change order of elements.
350         (truncdfsf2, truncxfsf2, truncxfdf2, fix_trunc<mode>_fisttp_i387_1)
351         (*fix_trunc<mode>_i387_1, lrint<mode>2, *fist<mode>2_floor_1)
352         (*fist<mode>2_ceil_1): Change constant in call to
353         assign_386_stack_local to SLOT_TEMP.
354         (*fix_trunc<mode>_i387_1): Change constant in call to
355         assign_386_stack_local to SLOT_CW_STORED and SLOT_CW_TRUNC.
356         Use new ix86_optimize_mode_switching[] array.
357         (frndintxf2_floor, *fist<mode>2_floor_1): Change constants in call to
358         assign_386_stack_local to SLOT_CW_STORED and SLOT_CW_FLOOR.
359         Use new ix86_optimize_mode_switching[] array.
360         (frndintxf2_ceil, *fist<mode>2_ceil_1):  Change constants in call to
361         assign_386_stack_local to SLOT_CW_STORED and SLOT_CW_CEIL.
362         Use new ix86_optimize_mode_switching[] array.
363         (frndintxf2_trunc): Change constants in call to
364         assign_386_stack_local to SLOT_CW_STORED and SLOT_CW_TRUNC.
365         Use new ix86_optimize_mode_switching[] array.
366         (frndintxf2_mask_pm): Change constants in call to
367         assign_386_stack_local to SLOT_CW_STORED and SLOT_CW_MASK_PM.
368         Use new ix86_optimize_mode_switching[] array.
369
370         (define_peephole2): Change constant from 17 to FLAGS_REG;
371
372 2005-06-07  Richard Henderson  <rth@redhat.com>
373
374         PR rtl-opt/21528
375         * rtlanal.c (reg_overlap_mentioned_p) <MEM>: Handle 'E' formats.
376
377 2005-06-07  Dale Johannesen  <dalej@apple.com>
378
379         * tree-nested.c (finalize_nesting_tree_1):  Disable
380         warn_padded around layout_type call.
381
382 2005-06-08  Zdenek Dvorak  <dvorakz@suse.cz>
383
384         * tree-ssa-loop-ivopts.c (rewrite_use_outer): Unshare the expression
385         before emiting it.
386
387 2005-06-07  Eric Christopher  <echristo@redhat.com>
388
389         * config/mips/predicates.md: Revert previous patch.
390
391 2005-06-07  Jakub Jelinek  <jakub@redhat.com>
392
393         PR middle-end/21850
394         * tree.c (get_unwidened): Stop at NOP_EXPR/CONVERT_EXPR that convert
395         from vector types.
396
397 2005-06-07  Diego Novillo  <dnovillo@redhat.com>
398
399         * tree-ssa-threadupdate.c (struct thread_stats_d): Declare.
400         (thread_stats): New local variable.
401         (redirect_edges): Increment count of threaded edges.
402         (thread_through_all_blocks): Initialize thread_stats.
403         Display number of threaded jumps if TDF_STATS is enabled.
404
405 2005-06-07  Kazu Hirata  <kazu@codesourcery.com>
406
407         * sbitmap.h (sbitmap_iter_init): Consistently treat bit_num as
408         the current bit index with no modulo.
409
410 2005-06-07  Sebastian Pop  <pop@cri.ensmp.fr>
411
412         PR 18403 and meta PR 21861.
413         * Makefile.in (tree-chrec.o): Depend on CFGLOOP_H and TREE_FLOW_H.
414         * tree-chrec.c: Include cfgloop.h and tree-flow.h.
415         (evolution_function_is_invariant_rec_p,
416         evolution_function_is_invariant_p): New.
417         (chrec_convert): Use an extra parameter AT_STMT for refining the
418         information that is passed down to convert_step.  Integrate the 
419         code that was in count_ev_in_wider_type.
420         * tree-chrec.h (count_ev_in_wider_type): Removed.
421         (chrec_convert): Modify its declaration.
422         (evolution_function_is_invariant_p): Declared.
423         (evolution_function_is_affine_p): Use evolution_function_is_invariant_p.
424         * tree-flow.h (can_count_iv_in_wider_type): Renamed convert_step.
425         (scev_probably_wraps_p): Declared.
426         * tree-scalar-evolution.c (count_ev_in_wider_type): Removed.
427         (follow_ssa_edge_in_rhs, interpret_rhs_modify_expr):
428         Use an extra parameter AT_STMT for refining the information that is
429         passed down to convert_step.
430         (follow_ssa_edge_inner_loop_phi, follow_ssa_edge,
431         analyze_scalar_evolution_1): Initialize AT_STMT with the current
432         analyzed statement.
433         (instantiate_parameters_1): Don't know yet how to initialize AT_STMT.
434         * tree-ssa-loop-ivopts.c (idx_find_step): Update the use of 
435         can_count_iv_in_wider_type to use convert_step.
436         * tree-ssa-loop-niter.c (can_count_iv_in_wider_type_bound): Move 
437         code that is independent of the loop over the known iteration
438         bounds to convert_step_widening, the rest is moved to
439         proved_non_wrapping_p.
440         (scev_probably_wraps_p): New.
441         (can_count_iv_in_wider_type): Renamed convert_step.
442         * tree-vrp.c (adjust_range_with_scev): Take an extra AT_STMT parameter.
443         Use scev_probably_wraps_p for computing init_is_max.
444         (vrp_visit_assignment): Pass the current analyzed statement to 
445         adjust_range_with_scev.
446         (execute_vrp): Call estimate_numbers_of_iterations for refining the 
447         information provided by scev analyzer.
448
449 2005-06-07  Eric Christopher  <echristo@redhat.com>
450
451         * config/mips/predicates.md (sleu_operand): Use
452         IN_RANGE to specify range of operand.
453
454 2005-06-07  Steven Bosscher  <stevenb@suse.de>
455
456         PR tree-optimization/21847
457         * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): With
458         -fnon-call-exceptions, also mark statements inherently
459         necessary if they may throw.
460
461 2005-06-07  Adrian Straetling  <straetling@de.ibm.com>
462
463         * config/s390/s390.md: ("UNSPECV_MB", "UNSPECV_CAS"): New constants.
464         ("type"): Add "sem" to 'type' attribute.
465         ("memory_barrier", "*memory_barrier", "sync_compare_and_swapdi",
466         "sync_compare_and_swapsi", "sync_compare_and_swap_ccdi",
467         "sync_compare_and_swap_ccsi", "*sync_compare_and_swap_ccdi",
468         "*sync_compare_and_swap_ccsi"): New patterns.
469         * config/s390/2064.md: ("z_sem"): New insn_reservation.
470         * config/s390/2084.md: ("x_sem"): New insn_reservation.
471         * config/s390/s390.c: (s390_compare_emitted): New global variable.
472         (s390_emit_compare): Do not emit comparison again after cas.
473         * config/s390/s390.h (s390_compare_emitted): Declare.
474
475 2005-06-07  Kazu Hirata  <kazu@codesourcery.com>
476
477         * sbitmap.h (sbitmap_iterator, sbitmap_iter_init,
478         sbitmap_iter_cond, sbitmap_iter_next): New.
479         * bt-load.c, cfganal.c, combine.c, ddg.c, flow.c,
480         modulo-sched.c, sbitmap.c, sched-rgn.c, tree-into-ssa.c,
481         tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Update
482         uses of EXECUTE_IF_SET_IN_SBITMAP to the new style.
483
484 2005-06-07  Zdenek Dvorak  <dvorakz@suse.cz>
485
486         * tree-ssa-address.c: New file.
487         * Makefile.in (tree-ssa-address.o): Add.
488         * expr.c (expand_expr_real_1): Do not handle REF_ORIGINAL on
489         INDIRECT_REFs.  Handle TARGET_MEM_REFs.
490         * tree-eh.c (tree_could_trap_p): Handle TARGET_MEM_REFs.
491         * tree-flow.h (struct mem_address): New.
492         (struct affine_tree_combination): Moved from tree-ssa-loop-ivopts.c.
493         (create_mem_ref, addr_for_mem_ref, get_address_description,
494         maybe_fold_tmr, multiplier_allowed_in_address_p,
495         multiply_by_cost):  Declare.
496         * tree-mudflap.c (mf_xform_derefs_1): Handle TARGET_MEM_REFs.
497         * tree-pretty-print.c (dump_generic_node): Ditto.
498         * tree-ssa-loop-im.c (for_each_index): Ditto.
499         * tree-ssa-loop-ivopts.c (may_be_unaligned_p,
500         find_interesting_uses_address): Ditto.
501         (rewrite_address_base, build_addr_strip_iref): Removed.
502         (struct affine_tree_combination): Moved to tree-flow.h.
503         (get_ref_tag, copy_ref_info): New functions.
504         (rewrite_use_address): Produce TARGET_MEM_REFs.
505         (tree_ssa_iv_optimize): Do not call update_ssa
506         and rewrite_into_loop_closed_ssa.
507         (tree_to_aff_combination): Use build_fold_addr_expr instead of
508         build_addr_strip_iref.
509         (unshare_aff_combination): New function.
510         (fold_affine_sum): Removed.
511         (get_computation_at): Use get_computation_aff.  Unshare the result.
512         (get_computation_aff, multiplier_allowed_in_address_p): New function.
513         (multiply_by_cost): Exported.
514         (get_address_cost): Use multiplier_allowed_in_address_p.
515         * tree-ssa-operands.c (get_tmr_operands): New function.
516         (get_expr_operands): Handle TARGET_MEM_REFs.
517         * tree.c (copy_node_stat): Copy annotations for TARGET_MEM_REFs.
518         (build): Handle 7 arguments.
519         (build7_stat): New function.
520         * tree.def (TARGET_MEM_DEF): New.
521         * tree.h (REF_ORIGINAL): Removed.
522         (TMR_SYMBOL, TMR_BASE, TMR_INDEX, TMR_STEP, TMR_OFFSET, TMR_ORIGINAL,
523         TMR_TAG, build7): New macros.
524         (build7_stat, tree_mem_ref_addr, copy_mem_ref_info): Declare.
525         * tree-ssa-ccp.c (fold_stmt_r): Call maybe_fold_tmr.
526         * doc/c-tree.texi: Document TARGET_MEM_REF.
527         * doc/tree-ssa.texi: Add TARGET_MEM_REF to gimple grammar.
528
529 2005-06-07  Jakub Jelinek  <jakub@redhat.com>
530
531         PR debug/21946
532         * dwarf2out.c (add_loc_descr_op_piece): New function.
533         (multiple_reg_loc_descriptor, concat_loc_descriptor,
534         loc_descriptor): Use it.
535         * var-tracking.c: Include regs.h and expr.h.
536         (emit_note_insn_var_location): Skip over pieces where offset
537         is smaller than previous offset plus previous piece mode size.
538         Optimize adjacent hard registers or memory locations.
539         * Makefile.in (var-tracking.o): Depend on $(REGS_H) and $(EXPR_H).
540
541 2005-06-07  Richard Guenther  <rguenth@gcc.gnu.org>
542
543         * c-typeck.c (c_finish_if_stmt): Use void_type_node as type
544         for COND_EXPR.
545         * gimplify.c (gimplify_cond_expr): No need to fix up the
546         type of COND_EXPRs.
547
548 2005-06-07  Richard Guenther  <rguenth@gcc.gnu.org>
549
550         * tree-ssa.c (tree_ssa_useless_type_conversion_1): Fix
551         comments.
552
553 2005-06-07  Geoffrey Keating  <geoffk@apple.com>
554
555         * config/rs6000/host-darwin.c (segv_handler): Widen the possible
556         'stwux' instructions that are considered to be stack decrements.
557
558         * rtlanal.c (subreg_offset_representable_p): Handle objects
559         with holes.
560
561 2005-06-06  Uros Bizjak  <uros@kss-loka.si>
562
563         * mode-switching.c (optimize_mode_switching): Fix n_exprs parameter
564         in call to pre_edge_lcm.
565
566 2005-06-06  Kaz Kojima  <kkojima@gcc.gnu.org>
567
568         * config/sh/linux-unwind.h (SH_DWARF_FRAME_XD0): Remove for SH5.
569         (SH_DWARF_FRAME_PR, SH_DWARF_FRAME_GBR, SH_DWARF_FRAME_MACL)
570         (SH_DWARF_FRAME_MACH, SH_DWARF_FRAME_PC, SH_DWARF_FRAME_FPUL):
571         Likewise.
572         (SH_DWARF_FRAME_FP0, SH_DWARF_FRAME_FPSCR): Define to the correct
573         dwarf register number for SHmedia.
574         (shmedia_fallback_frame_state): New.
575         (MD_FALLBACK_FRAME_STATE_FOR): Define to it for SH5.
576
577         * config/sh/linux.h (FUNCTION_PROFILER): Provide SHMEDIA version.
578
579 2005-06-06  Gabriel Dos Reis  <gdr@integrable-solutions.net>
580
581         * c-lex.c (lex_string): Use XOBFINISH.
582         * collect2.c (extract_string, dump_file): Likewise.
583         * dbxout.c (dbxout_finish_complex_stabs): Likewise.
584         * gcc.c (init_spec, build_search_list, convert_filename, 
585         set_collect_gcc_options, do_spec_2, do_spec_1, main): Likewise.
586         * genpreds.c (write_predicate_subfunction): Likewise.
587         * genflags.c (main): Likewise.
588         * read-rtl.c (mode_attr_index, apply_macro_to_string, 
589         join_c_conditions, read_quoted_string, read_braced_string, 
590         read_rtx_1): Likewise.
591         * stringpool.c (ggc_alloc_string): Likewise.
592         * tlink.c (obstack_fgets, recompile_files): Likewise.
593
594 2005-06-06  Jakub Jelinek  <jakub@redhat.com>
595
596         * intl.h (G_): New macro.
597         * rtl-error.c (error_for_asm, warning_for_asm): Use gmsgid
598         instead of msgid for argument name.
599         * tree-ssa.c (warn_uninit): Likewise.
600         * c-parser.c (c_parser_error): Likewise.
601         * config/rs6000/rs6000-c.c (SYNTAX_ERROR): Likewise.
602         * config/darwin-c.c (BAD): Likewise.
603         * config/c4x/c4x-c.c (BAD): Likewise.
604         * c-pragma.c (GCC_BAD, GCC_BAD2): Likewise.
605         * c-errors.c (pedwarn_c99, pedwarn_c90): Likewise.
606         * c-common.c (c_parse_error): Likewise.
607         * diagnostic.c (diagnostic_set_info, verbatim, inform, warning,
608         warning0, pedwarn, error, sorry, fatal_error, internal_error):
609         Likewise.
610         (fnotice): Use cmsgid instead of msgid for argument name.
611         * gcov.c (fnotice): Likewise.
612         * protoize.c (notice): Likewise.
613         * final.c (output_operand_lossage): Likewise.
614         * gcc.c (fatal, notice): Likewise.
615         (error): Use gmsgid instead of msgid for argument name.
616         * collect2.c (notice, fatal_perror, fatal): Use cmsgid instead
617         of msgid for argument name.
618         (error): Use gmsgid instead of msgid for argument name.
619         * c-decl.c (locate_old_decl, implicit_decl_warning): Use G_()
620         instead of N_().
621         * c-typeck.c (readonly_error, convert_for_assignment): Likewise.
622         * tree-inline.c (inline_forbidden_p_1): Likewise.
623         * ABOUT-GCC-NLS: Require gettext 0.14.5 or later.  Mention the new
624         conventions for marking translations.
625         * doc/install.texi: Mention gettext 0.14.5 or later requirement.
626
627         * tree-chrec.c (reset_evolution_in_loop): Use build3 instead of
628         build2.
629
630         * fold-const.c (operand_equal_p): Don't return 1, if element
631         chains for 2 VECTOR_CSTs are not the same length.
632
633         PR regression/21897
634         * fold-const.c (fold_ternary) <case BIT_FIELD_REF>: Don't crash if
635         not all VECTOR_CST elements are given.
636
637         * combine.c (try_combine): Use hard_regno_nregs array instead of
638         HARD_REGNO_NREGS macro.
639         * config/rs6000/rs6000.c (rs6000_split_multireg_move,
640         rs6000_register_move_cost, rs6000_memory_move_cost): Likewise.
641         * config/ia64/ia64.c (mark_reg_gr_used_mask): Likewise.
642
643 2005-06-06  Daniel Berlin  <dberlin@dberlin.org>
644
645         * tree-ssa-reassoc.o: New.
646         (OBJS-common): Add tree-ssa-reassoc.o
647         * timevar.def: Add TV_TREE_REASSOC
648         * tree-optimize.c (pass_reassoc): Add call.
649         * tree-pass.h (pass_reassoc): Add.
650         * tree-ssa-reassoc.c: New file.
651
652 2005-06-06  Eric Christopher  <echristo@redhat.com>
653
654         target/21927
655         * expr.c (do_store_flag): Remove check for non-negative BRANCH_COST.
656
657 2005-06-06  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
658
659         * config/i386/x86-64.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Guard with
660         HAVE_GAS_MAX_SKIP_P2ALIGN.
661         (HAVE_AS_DWARF2_DEBUG_LINE): Remove.
662
663 2005-06-06  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
664
665         * Makefile.in (mips-tfile.o): Add $(srcdir)/../include prefix to
666         getopt.h dependency.
667         (mips-tdump.o): Likewise.
668
669 2005-06-06  Jan Hubicka  <jh@suse.cz>
670
671         * predict.c (tree_predict_edge): Don't drop useless predictions;
672         check that it is not called too late in the game.
673         (gate_estimate_probability): New gate.
674         (pass_profile): Gate.
675         * tree-mudflap.c (mf_build_check_statement_for): Do not drop
676         predictions; update CFG instead.
677         * cfgrtl.c (rtl_verify_flow_info): Check that predcitions are consumed.
678
679 2005-06-06  Jie Zhang  <jie.zhang@analog.com>
680
681         * config.gcc (bfin*-uclinux*): New.
682         * config/bfin/uclinux.h: New file.
683
684 2005-06-06  Ben Elliston  <bje@au.ibm.com>
685
686         * doc/md.texi (Insn Splitting): Fix some wording.
687
688 2005-06-05  David Edelsohn  <edelsohn@gnu.org>
689
690         * config/rs6000/rs6000.c (rs6000_emit_swdivsf): New function.
691         (rs6000_emit_swdivdf): New function.
692         * config/rs6000/rs6000.md (fres): New pattern.
693         (divsf3): Add approximation through rs6000_emit_swdivsf.
694         (fred): New pattern.
695         (divdf3): Add approximation through rs6000_emit_swdivdf.
696         * config/rs6000/rs6000-protos.h (rs6000_emit_swdivsf): Declare.
697         (rs6000_emit_swdivdf): Declare.
698         * config/rs6000/rs6000.opt (mswdiv): New option.
699         * doc/invoke.texi (RS/6000 and PowerPC Options): Document mswdiv.
700
701 2005-06-05  Zdenek Dvorak  <dvorakz@suse.cz>
702
703         PR tree-optimization/21846
704         * tree-cfg.c (replace_uses_by): Update information stored at loops.
705         * tree-flow.h (substitute_in_loop_info): Declare.
706         * tree-scalar-evolution.c (initialize_scalar_evolutions_analyzer):
707         Ensure that chrec_dont_know and chrec_known have a type.
708         * tree-ssa-loop-niter.c (substitute_in_loop_info): New function.
709
710 2005-06-05  Steven Bosscher  <stevenb@suse.de>
711
712         * config/i386/i386.c (x86_use_loop): Remove.
713         * config/i386/i386.h (x86_use_loop): Remove extern decl.
714         (TARGET_USE_LOOP): Remove.
715         * config/i386/i386.md (doloop_end, doloop_end_internal): Remove.
716         Also remove related define_splits.
717
718 2005-06-05  Dorit Nuzman  <dorit@il.ibm.com>
719
720         * tree-flow.h (stmt_ann_d): Move aux to ...
721         (tree_ann_common_d): ... here.
722         * tree-ssa-loop-im.c (LIM_DATA, determine_invariantness_stmt,
723         move_computations_stmt, schedule_sm): Update references to
724         aux.
725         * tree-vectorizer.h (set_stmt_info, vinfo_for_stmt): Likewise.
726         * tree-vect-transform.c (vect_create_index_for_vector_ref): Update
727         call to set_stmt_info.
728         (vect_transform_loop): Likewise.
729         * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info):
730         Likewise.
731
732         * tree-vect-analyze.c (vect_analyze_scalar_cycles): Made void instead of
733         bool.
734         (vect_mark_relevant): Takes two additional arguments - live_p and
735         relevant_p. Set RELEVANT_P and LIVE_P according to these arguments.
736         (vect_stmt_relevant_p): Differentiate between a live stmt and a
737         relevant stmt. Return two values = live_p and relevant_p.
738         (vect_mark_stmts_to_be_vectorized): Call vect_mark_relevant and
739         vect_stmt_relevant_p with additional arguments. Phis are no longer
740         put into the worklist (analyzed seperately in analyze_scalar_cycles).
741         (vect_determine_vectorization_factor): Also check for LIVE_P, because a
742         stmt that is marked as irrelevant and live, cause it's only used out
743         side the loop, may need to be vectorized (e.g. reduction).
744         (vect_analyze_operations): Examine phis. Call
745         vectorizable_live_operation for for LIVE_P stmts. Check if
746         need_to_vectorize.
747         (vect_analyze_scalar_cycles): Update documentation. Don't fail
748         vectorization - just classify the scalar cycles created by the loop
749         phis. Call vect_is_simple_reduction.
750         (vect_analyze_loop): Call to analyze_scalar_cycles moved earlier.
751         * tree-vect-transform.c (vect_create_index_for_vector_ref): Update
752         call to set_stmt_info.
753         (vect_get_vec_def_for_operand): Code reorganized - the code that
754         classifies the type of use was factored out to vect_is_simple_use.
755         (vectorizable_store, vect_is_simple_cond): Call vect_is_simple_use with
756         additional arguments.
757         (vectorizable_assignment): Likewise. Also make sure the stmt is relevant
758         and computes a loop_vec_def.
759         (vectorizable_operation, vectorizable_load, vectorizable_condition):
760         Likewise.
761         (vectorizable_live_operation): New.
762         (vect_transform_stmt): Handle LIVE_P stmts.
763         * tree-vectorizer.c (new_stmt_vec_info): Initialize the new fields
764         STMT_VINFO_LIVE_P and STMT_VINFO_DEF_TYPE.
765         (new_loop_vec_info, destroy_loop_vec_info): Also handle phis.
766         (vect_is_simple_use): Determine the type of the def and return it
767         in a new function argument. Consider vect_reduction_def and
768         vect_induction_def, but for now these are not supported.
769         (vect_is_simple_reduction): New. Empty for now.
770         * tree-vectorizer.h (vect_def_type): New enum type.
771         (_stmt_vec_info): Added new fields - live and _stmt_vec_info.
772         (STMT_VINFO_LIVE_P, STMT_VINFO_DEF_TYPE): New accessor macros.
773         (vect_is_simple_use): New arguments added to function declaration.
774         (vect_is_simple_reduction): New function declaration.
775         (vectorizable_live_operation): New function declaration.
776
777         * tree-vect-analyze.c (vect_can_advance_ivs_p): Add debug printout.
778         (vect_can_advance_ivs_p): Likewise.
779         * tree-vect-transform.c (vect_update_ivs_after_vectorizer): Likewise.
780
781 2005-06-05  Eric Christopher  <echristo@redhat.com>
782
783         * config/mips/mips.c (mips_rtx_costs): Remove unused variable.
784
785 2005-06-05  Hans-Peter Nilsson  <hp@bitrange.com>
786
787         PR target/21914
788         * config/mmix/mmix.md ("*movdicc_real_foldable")
789         ("*movdfcc_real_foldable", "*bCC_foldable")
790         ("*bCC_inverted_foldable"): Specify DImode for register being
791         compared.
792
793 2005-06-04  Roger Sayle  <roger@eyesopen.com>
794
795         * reg-stack.c (struct block_info_def): Correct grammar typo.
796         (compensate_edge): Clean-up.  Perform as little work as possible
797         when src and dest stacks match.  Avoid modifying block_info.
798         Reorder and simplify assertion checks.  Avoid unnecessary copying
799         of regstack structure.
800         (convert_regs_1): Set the done flag here...
801         (convert_regs_2): ... instead of here.
802
803 2005-06-04  Dale Johannesen  <dalej@apple.com>
804
805         * config/rs6000/rs6000.c (no_global_regs_above): New.
806         (rs6000_emit_prologue):  Use it; cosmetic formatting fixes.
807         (rs6000_emit_epilogue):  Use it; cosmetic formatting fixes.
808         (rs6000_conditional_register_usage): Don't put Darwin PIC
809         register in global_regs.
810         (rs6000_stack_info):  Don't set lr_save_p just because Darwin 
811         PIC reg used.
812         (rs6000_emit_prologue):  Save LR in R0 around Darwin PIC setup,
813         if not done by lr_save_p.
814         * config/rs6000/rs6000.md (insnv1_internal1):  Back out 05-18 patch.
815         Use rotate instead of ashift.
816         (call_indirect_nonlocal_sysv):  Prefer CTR to LR.
817         (call_value_indirect_nonlocal_sysv):  Ditto.
818
819 2005-06-04  Jan Hubicka  <jh@suse.cz>
820
821         * cgraphunit.c (cgraph_reset_node): Break out from ...
822         (cgraph_finalize_function): ... here.
823         (cgraph_finalize_compilation_unit): Reset nodes where backend
824         removed the body.
825
826 2005-06-04  Richard Henderson  <rth@redhat.com>
827
828         PR target/21888
829         * config/alpha/alpha.c (alpha_align_insns): Don't insert nops
830         until we've passed initial ldgp.
831
832 2005-06-04  Daniel Berlin  <dberlin@dberlin.org>
833
834         * cfgexpand.c (expand_one_var): Use DECL_HAS_VALUE_EXPR_P.
835         * dwarf2out.c (loc_descriptor_from_tree_1): Ditto.
836         * expr.c (expand_var): Ditto.   
837         * function.c (gimplify_parameters): Use SET_DECL_VALUE_EXPR too.
838         * gimplify.c (gimplify_decl_expr): Ditto.
839         (gimplify_expr): Ditto.
840         * tree-mudflap.c (mf_decl_eligible_p): Use DECL_HAS_VALUE_EXPR_P.
841         * tree.c (value_expr_for_decl): New.
842         (print_value_expr_statistics): New.
843         (init_ttree): Init value_expr_for_decl.
844         (decl_value_expr_lookup): New.
845         (decl_value_expr_insert): Ditto.
846         (copy_node_stat): Copy DECL_VALUE_EXPR status.
847         * tree.h (DECL_VALUE_EXPR): Use hashtable.
848         (SET_DECL_VALUE_EXPR): New.
849         (DECL_HAS_VALUE_EXPR_P): New.
850
851 2005-06-04  Steven Bosscher  <stevenb@suse.de>
852
853         * lcm.c: Move all mode-switching related functions from here...
854         * mode-switching.c: ...to this new file.
855         * doc/passes.texi: Update accordingly.
856
857         * basic-block.h (label_value_list): Remove extern decl.
858         * cfgrtl.c (label_value_list): Remove.
859         (can_delete_label_p): Don't look at it.
860         * cfgcleanup.c (cleanup_cfg): Don't free it.
861
862         * common.opt: Don't refer to non-existing flag_alias_check.
863
864 2005-06-04  David Edelsohn  <edelsohn@gnu.org>
865
866         * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power5.
867
868 2005-06-04  Kazu Hirata  <kazu@codesourcery.com>
869
870         * function.c (prologue, epilogue, sibcall_epilogue): Change
871         their types to VEC(int,heap)*.
872         (free_after_compilation): Free the three vectors above.
873         (init_function_for_compilation, record_insns, contains,
874         prologue_epilogue_contains, sibcall_epilogue_contains,
875         reposition_prologue_and_epilogue_notes): Use VEC instead of
876         VARRAY.  (init_function_once): Remove.
877         * function.h: Remove the prototype for init_function_once.
878         * toplev.c (backend_init): Don't call init_function_once.
879
880 2005-06-04  Jan Hubicka  <jh@suse.cz>
881
882         * predict.c (tree_predict_edge): Do not predict entry edge and
883         single succestor edge.
884
885 2005-06-04  Joseph S. Myers  <joseph@codesourcery.com>
886
887         PR c/21873
888         * c-typeck.c (push_init_level): Don't pop levels without braces if
889         implicit == 1.
890
891 2005-06-03  Sebastian Pop  <pop@cri.ensmp.fr>
892         
893         * tree-data-ref.c (compute_self_dependence): New function.
894         (compute_all_dependences): Use it.
895
896 2005-06-03  Geoffrey Keating  <geoffk@apple.com>
897
898         * c-parser.c (c_parser_parms_declarator): Don't use chainon().
899         (c_parser_expr_list): Don't use chainon().
900
901         * config/darwin.h (LINK_SPEC): Pass -syslibroot to linker
902         when -isysroot passed.
903
904 2005-06-03  Joseph S. Myers  <joseph@codesourcery.com>
905
906         PR c/21879
907         * c-decl.c (start_function): Restore label_context_stack_se and
908         label_context_stack_vm  if returning with an error.
909
910 2005-06-03  Gabriel Dos Reis  <gdr@integrable-solutions.net>
911
912         * configure.ac: Check declaration for asprintf, needed by
913         libiberty.h. 
914         * configure: Regenerate.
915         * config.in: Likewise.
916
917 2005-06-03  Diego Novillo  <dnovillo@redhat.com>
918
919         * tree-ssa-dom.c (record_edge_info): Use last_basic_block to
920         allocate info array.
921         * tree-vrp.c (extract_range_from_unary_expr): Set resulting
922         range to varying in cast expressions that change
923         TYPE_PRECISION.
924
925 2005-06-03  Eric Christopher  <echristo@redhat.com>
926
927         * config/mips/mips.opt: Add RejectNegative to divide-breaks and
928         divide-traps.
929
930 2005-06-03  Jan Hubicka  <jh@suse.cz>
931
932         * basic-block.h (remove_predictions_associated_with_edge): Declare.
933         * cfg.c (remove_edge): Use it.
934         * predict.c (remove_predictions_associated_with_edge): New function.
935
936 2005-06-03  Pat Haugen  <pthaugen@us.ibm.com>
937
938         * config/rs6000/rs6000.c (rs6000_conditional_register_usage):
939         Clear call_realy_used_regs[r2] when ABI_AIX.
940
941 2005-06-03  Richard Guenther  <rguenth@gcc.gnu.org>
942
943         PR middle-end/21858
944         * fold-const.c (fold_binary): Fix type mismatches in folding
945         of comparisons.
946
947 2005-06-03  Kazu Hirata  <kazu@codesourcery.com>
948
949         * cgraph.c, cgraphunit.c, config/mips/mips.c: Fix comment
950         typos.
951
952 2005-06-03  Joseph S. Myers  <joseph@codesourcery.com>
953
954         * collect2.c (maybe_unlink): Use unlink_if_ordinary.
955
956 2005-06-02  Bernd Schmidt  <bernd.schmidt@analog.com>
957
958         * reload1.c (reload): Revert my previous patch.
959
960 2005-06-03  Nick Clifton  <nickc@redhat.com>
961
962         * config/arm/semi.h (ASM_SPEC): Fix typo passing -mfloat-abi to
963         assembler.
964
965 2005-06-03  Kazu Hirata  <kazu@codesourcery.com>
966
967         PR tree-optimization/21849
968         * tree-ssa-copy.c (dump_copy_of): Call sbitmap_zero.
969
970 2005-06-02  Richard Henderson  <rth@redhat.com>
971
972         * Makefile.in (tree-vect-generic.o): New.
973         (OBJS-common, GTFILES, s-gtype): Add it.
974         * tree-complex.c (build_replicated_const, vector_inner_type,
975         vector_last_type, vector_last_nunits, build_word_mode_vector_type,
976         elem_op_func, tree_vec_extract, do_unop, do_binop, do_plus_minus,
977         do_negate, expand_vector_piecewise, expand_vector_parallel, 
978         expand_vector_addition, expand_vector_operation, 
979         type_for_widest_vector_mode, expand_vector_operations_1, 
980         gate_expand_vector_operations, expand_vector_operations, 
981         pass_lower_vector_ssa): Move to tree-vect-generic.c.
982         (tree_lower_complex): Rename from tree_lower_operations.
983         (pass_lower_complex): Rename from pass_pre_expand.
984         * tree-vect-generic.c: New file.
985         * tree-pass.h (pass_lower_complex): Rename from pass_pre_expand.
986         (pass_lower_vector): New.
987         * tree-optimize.c (init_tree_optimization_passes): Update to match.
988
989 2005-06-02  Richard Henderson  <rth@redhat.com>
990
991         * modulo-sched.c (doloop_register_get): Protect against 
992         doloop_end not defined.
993
994 2005-06-02  Kazu Hirata  <kazu@codesourcery.com>
995
996         * config/sh/sh.c (general_movsrc_operand,
997         general_movdst_operand, arith_reg_operand, arith_reg_dest,
998         logical_reg_operand, int_gpr_dest, fp_arith_reg_operand,
999         fp_arith_reg_dest, arith_operand, arith_reg_or_0_operand,
1000         xor_operand, cmp_operand, logical_operand, and_operand,
1001         fpscr_operand, fpul_operand, symbol_ref_operand,
1002         commutative_float_operator, noncommutative_float_operator,
1003         unary_float_operator, binary_float_operator,
1004         binary_logical_operator, equality_comparison_operator,
1005         greater_comparison_operator, less_comparison_operator,
1006         shift_operator, logical_operator, target_reg_operand,
1007         target_operand, mextr_bit_offset, extend_reg_operand,
1008         trunc_hi_operand, extend_reg_or_0_operand, minuend_operand,
1009         general_extend_operand, ua_address_operand,
1010         cache_address_operand, inqhi_operand, sh_rep_vec, sh_1el_vec,
1011         sh_const_vec, ua_offset, sh_register_operand, cmpsi_operand,
1012         shift_count_reg_operand, shift_count_operand,
1013         unaligned_load_operand): Move to ...
1014         * config/sh/predicates.md: ... here.
1015         * config/sh/sh.h (PREDICATE_CODES, SPECIAL_MODE_PREDICATES):
1016         Remove.
1017
1018 2005-06-02  Andrew Pinski  <pinskia@physics.uc.edu>
1019
1020         * tree.c (build_common_builtin_nodes): Fix the return type on
1021         __builtin_memcmp.
1022
1023 2005-06-02  Richard Guenther  <rguenth@gcc.gnu.org>
1024
1025         * tree-ssa-loop-ivopts.c (build_addr_strip_iref): Remove.
1026         (find_interesting_uses_address): Use build_fold_addr_expr instead.
1027         (strip_offset_1): Likewise.
1028         (tree_to_aff_combination): Likewise.
1029
1030 2005-06-02  DJ Delorie  <dj@redhat.com>
1031
1032         * convert.c (convert_to_pointer): Avoid recursion if no conversion
1033         is needed.
1034
1035 2005-06-02  Richard Guenther  <rguenth@gcc.gnu.org>
1036
1037         * tree-chrec.c (chrec_fold_plus_1): Ensure we build
1038         binary operations with the correct types.
1039         * tree-ssa-loo-ivopts.c (idx_find_step): Use sizetype
1040         for all computation.
1041
1042 2005-06-02  Kazu Hirata  <kazu@codesourcery.com>
1043
1044         * tree-vrp.c, config/arm/arm.md, config/arm/arm1020e.md,
1045         config/rs6000/rs6000.md: Fix comment typos.  Follow splling
1046         conventions.
1047         * doc/install.texi: Fix a typo.
1048
1049 2005-06-02  Jan Hubicka  <jh@suse.cz>
1050
1051         * cgraphunit.c (cgraph_function_and_variable_visibility): Extern
1052         inline functions are not local.
1053
1054 2005-06-02  Kazu Hirata  <kazu@codesourcery.com>
1055
1056         * gimplify.c (gimplify_ctx): Change the type of case_labels to
1057         VEC from VARRAY.
1058         (gimplify_switch_expr, gimplify_case_label_expr): Adjust uses
1059         of case_labels.
1060
1061 2005-06-02  Richard Guenther  <rguenth@gcc.gnu.org>
1062
1063         * c-typeck.c (build_indirect_ref): Build INDIRECT_REF
1064         with correct type.
1065
1066 2005-06-02  Ulrich Weigand  <uweigand@de.ibm.com>
1067
1068         * config/s390/s390.c (s390_add_execute): Do not handle out-of-pool
1069         execute templates.
1070         (s390_dump_pool): Likewise.
1071         (s390_mainpool_start, s390_mainpool_finish): Likewise.
1072         (s390_chunkify_start): Likewise.
1073         (s390_dump_execute): Remove.
1074         (s390_reorg): Handle out-of-pool execute templates.
1075
1076 2005-06-02  Adrian Straetling  <straetling@de.ibm.com>
1077
1078         * optabs.c: (expand_bool_compare_and_swap): Emit barrier after
1079           unconditional jump.
1080
1081 2005-06-02  Jan Hubicka  <jh@suse.cz>
1082
1083         * cgraph.c (cgraph_node): Maintain master clones.
1084         (cgraph_remove_node): Likewise.
1085         (availability_names): New static variable.
1086         (dump_cgraph_node): Dump availability.
1087         (dump_cgraph_varpool_node): Likewise.
1088         (cgraph_is_master_clone, cgraph_master_clone,
1089         cgraph_function_body_availability,
1090         cgraph_variable_initializer_availability): New functions.
1091         * cgraph.h (availability): New enum.
1092         (struct cgraph_node): Add master_clone.
1093         (cgraph_is_master_clone, cgraph_master_clone,
1094         cgraph_function_body_availability,
1095         cgraph_variable_initializer_availability): Declare.
1096         * cgraphunit.c (cgraph_expand_function): Setcgraph_function_flags_ready.
1097         (cgraph_remove_unreachable_nodes): Remove unreachable nodes.
1098         * ipa-inline.c (cgraph_decide_inlining): Do not call
1099         cgraph_remove_unreachable_nodes.
1100
1101         * cgraphunit.c (cgraph_function_and_variable_visibility): Fix typo in
1102         previous patch.
1103
1104 2005-06-02  Diego Novillo  <dnovillo@redhat.com>
1105
1106         PR 21582
1107         * tree-vrp.c (nonnull_arg_p): New.
1108         (get_value_range): Call it.
1109
1110 2005-06-02  Eric Christopher  <echristo@redhat.com>
1111
1112         * config/mips/mips.h (processor_type): Remove PROCESSOR_DEFAULT,
1113         add PROCESSOR_MAX.
1114         (mips_rtx_cost_data): New datatype.
1115         (MEMORY_MOVE_COST): Use data from structure.
1116         (BRANCH_COST): Ditto.
1117         (LOGICAL_OP_NON_SHORT_CIRCUIT): Define to zero.
1118         * config/mips/mips.md (cpu): Rework for processor_type changes.
1119         * config/mips/mips.c (mips_cost): New variable.
1120         (DEFAULT_COSTS): Define.
1121         (mips_rtx_cost_data): New.
1122         (mips_rtx_costs): Use. Minor formatting changes. Use COSTS_N_INSNS
1123         for NEG cost. Add support for FLOAT, UNSIGNED_FLOAT, FIX,
1124         FLOAT_EXTEND, FLOAT_TRUNCATE, and SQRT.
1125         (override_options): Set cost data.
1126         (mips_register_move_cost): Formatting changes.
1127         (bdesc_arrays): Use PROCESSOR_MAX.
1128         (mips_init_builtins): Ditto.
1129
1130 2005-06-02  Diego Novillo  <dnovillo@redhat.com>
1131
1132         PR 21765
1133         * doc/invoke.texi: Document -ftree-vrp.
1134
1135 2005-06-02  Dorit Nuzman  <dorit@il.ibm.com>
1136
1137         PR tree-optimization/21734
1138         * tree-vectorizer.c (slpeel_update_phis_for_duplicate_loop): Use the
1139         phi_result when current_def is not available.
1140         (slpeel_update_phi_nodes_for_guard1): Don't fail if current_def is not
1141         available.      
1142
1143 2005-06-02  David Edelsohn  <edelsohn@gnu.org>
1144
1145         * config/rs6000/rs6000.c (rs6000_insn_valid_within_doloop): New.
1146         (TARGET_INSN_VALID_WITHIN_DOLOOP): Define.
1147
1148 2005-06-02  Diego Novillo  <dnovillo@redhat.com>
1149
1150         * tree-vrp.c (has_assert_expr, maybe_add_assert_expr): Remove.
1151
1152 2005-06-02  Jan Hubicka  <jh@suse.cz>
1153
1154         * cgraph.c (dump_cgraph_node): Print new flags.
1155         (dump_cgraph_varpool_node): Likewise.
1156         (decide_variable_is_needed): Initialize externally_visible flag.
1157         * cgraph.h (cgraph_local_info): Add externally_visible flag.
1158         (cgraph_varpool_node): Likewise.
1159         (cgraph_function_flags_ready): Declare.
1160         * cgraph.c (cgraph_mark_local_functions): Rename to ...
1161         (cgraph_function_and_variable_visibility) ... this one; handle
1162         externally_visible flags.
1163         (decide_is_function_needed): Set externally_visible flag.
1164         (cgraph_finalize_function): Deal properly with early cleanups.
1165         (cgraph_optimize): Update call of
1166         cgraph_function_and_variable_visibility.
1167
1168 2005-06-02 Steven Bosscher  <stevenb@suse.de>
1169            Mostafa Hagog <mustafa@il.ibm.com>
1170
1171         * cfgloop.h (doloop_condition_get): Make external.
1172         * loop-doloop.c (doloop_condition_get): Generalize to make it
1173         usable in modulo-sched.c.
1174         * modulo-sched.c (doloop_register_get): Use
1175         doloop_condition_get instead of duplicating it.
1176
1177 2005-06-02  Bernd Schmidt  <bernd.schmidt@analog.com>
1178
1179         * reload1.c (reload): Undo 2005-04-20 change.  Make sure we detect
1180         the correct set of init_insns that need deletion.
1181         * local-alloc.c (update_equiv_regs): When substituting sole definition
1182         into sole use of a reg, delete it from liveness information.
1183
1184 2005-06-02  Kaz Kojima  <kkojima@gcc.gnu.org>
1185
1186         * config/sh/sh.h (TARGET_FPU_DOUBLE): Use MASK_SH4.
1187
1188 2005-06-01  Diego Novillo  <dnovillo@redhat.com>
1189
1190         PR 14341, PR 21332, PR 20701, PR 21029, PR 21086, PR 21090
1191         PR 21289, PR 21348, PR 21367, PR 21368, PR 21458.
1192         * fold-const.c (invert_tree_comparison): Make extern.
1193         * tree-flow.h (enum value_range_type): Move to tree-ssa-propagate.
1194         (struct value_range_def): Limewise.
1195         (get_value_range): Remove.
1196         (dump_value_range): Remove.
1197         (dump_all_value_ranges): Remove.
1198         (debug_all_value_ranges): Remove.
1199         (vrp_evaluate_conditional): Declare.
1200         * tree-ssa-propagate.c (struct prop_stats_d): Add field
1201         num_pred_folded.
1202         (substitute_and_fold): Add argument use_ranges_p.
1203         Update all callers.
1204         If use_ranges_p is true, call fold_predicate_in to fold
1205         predicates using range information.
1206         Ignore ASSERT_EXPRs.
1207         Change debugging output to only show statements that have been
1208         folded.
1209         (replace_phi_args_in): Move debugging output code from
1210         substitute and fold.
1211         (fold_predicate_in): New local function.
1212         * tree-ssa-propagate.h (enum value_range_type): Move from
1213         tree-flow.h.
1214         (struct value_range_d): Likewise.
1215         Add field 'equiv'. 
1216         (value_range_t): Rename from value_range.
1217         * tree-vrp.c (found_in_subgraph): Rename from found.
1218         (get_opposite_operand): Remove.
1219         (struct assert_locus_d): Declare.
1220         (assert_locus_t): Declare.
1221         (need_assert_for): Declare.
1222         (asserts_for): Declare.
1223         (blocks_visited): Declare.
1224         (vr_value): Declare.
1225         (set_value_range): Add argument 'equiv'.
1226         Don't drop to VARYING ranges that cover all values in the
1227         type.
1228         Make deep copy of equivalence set 'equiv'.
1229         (copy_value_range): New local function.
1230         (set_value_range_to_undefined): New local function.
1231         (compare_values): Return -2 if either value has overflowed.
1232         (range_includes_zero_p): New local function.
1233         (extract_range_from_assert): Flip the predicate code if the
1234         name being asserted is on the RHS of the predicate.
1235         Avoid creating unnecessary symbolic ranges if the comparison
1236         includes another name with a known numeric range.
1237         Update the equivalnce set of the new range when asserting
1238         EQ_EXPR predicates.
1239         (extract_range_from_ssa_name): Update the equivalence set of
1240         the new range with VAR.
1241         (extract_range_from_binary_expr): Also handle TRUTH_*_EXPR.
1242         If -fwrapv is used, set the resulting range to VARYING if the
1243         operation overflows.  Otherwise, use TYPE_MIN_VALUE and
1244         TYPE_MAX_VALUE to represent -INF and +INF.
1245         Fix handling of *_DIV_EXPR.
1246         (extract_range_from_unary_expr): Handle MINUS_EXPR and
1247         ABS_EXPR properly by switching the range around if necessary.
1248         (extract_range_from_comparison): New local function.
1249         (extract_range_from_expr): Call it.
1250         (adjust_range_with_scev): Do not adjust the range if using
1251         wrapping arithmetic (-fwrapv).
1252         (dump_value_range): Also show equivalence set.
1253         Show -INF and +INF for TYPE_MIN_VALUE and TYPE_MAX_VALUE.
1254         (build_assert_expr_for): Also build ASSERT_EXPR for EQ_EXPR.
1255         (infer_value_range): Change return value to bool.
1256         Add arguments 'comp_code_p' and 'val_p'.
1257         Do not attempt to infer ranges from statements that may throw.
1258         Store the comparison code in comp_code_p.
1259         Store the other operand to be used in the predicate in val_p.
1260         (dump_asserts_for): New.
1261         (debug_asserts_for): New.
1262         (dump_all_asserts): New.
1263         (debug_all_asserts): New.
1264         (register_new_assert_for): New.
1265         (register_edge_assert_for): New.
1266         (find_conditional_asserts): New.
1267         (find_assert_locations): New.
1268         (process_assert_insertions_for): New.
1269         (process_assert_insertions): New.
1270         (insert_range_assertions): Initialize found_in_subgraph,
1271         blocks_visited, need_assert_for and asserts_for.
1272         Call find_assert_locations and process_assert_insertions.
1273         (remove_range_assertions): Add more documentation.
1274         (vrp_initialize): Change return type to void.
1275         Do not try to guess if running VRP is worth it.  
1276         (compare_name_with_value): New.
1277         (compare_names): New.
1278         (vrp_evaluate_conditional): Add argument 'use_equiv_p'.  If
1279         use_equiv_p is true, call compare_names and
1280         compare_name_with_value to compare all the ranges for every
1281         name in the equivalence set of the predicate operands.
1282         Update all callers.
1283         (vrp_meet): Try harder not to derive a VARYING range.
1284         If two values meet, the resulting equivalence set is the
1285         intersection of the two equivalence sets.
1286         (vrp_visit_phi_node): Call copy_value_range to get the current
1287         range information of the LHS.
1288         (vrp_finalize): Create a value vector representing all the
1289         names that ended up with exactly one value in their range.
1290         Call substitute_and_fold.
1291         (execute_vrp): Document equivalence sets in ranges.
1292         * tree.h (SSA_NAME_VALUE_RANGE): Remove.
1293         (struct tree_ssa_name): Remove field value_range.
1294         (invert_tree_comparison): Declare.
1295
1296 2005-06-01  Daniel Berlin  <dberlin@dberlin.org>
1297
1298         Fix PR tree-optimization/21839
1299
1300         * gimplify.c (zero_sized_field_decl): New function.
1301         (gimplify_init_ctor_eval): Use it.
1302
1303 2005-06-01  Josh Conner <jconner@apple.com>
1304
1305         PR 21478
1306         * gimplify.c (gimplify_init_constructor): Don't spill initializer
1307         to read-only memory if it's sparse.
1308
1309 2005-06-01  Ramana Radhakrishnan  <ramana@codito.com>
1310
1311         * doc/rtl.texi: Remove references to NOTE_INSN_SETJMP. 
1312         Add documentation for REG_SETJMP
1313
1314 2005-06-01  Richard Guenther  <rguenth@gcc.gnu.org>
1315
1316         * stmt.c (expand_case): Use build_int_cst.
1317         (node_has_low_bound): Likewise, and correct type mismatch.
1318         (node_has_high_bound): Likewise.
1319         * fold-const.c (fold_binary): Ensure we build trees
1320         with the correct types - undo what STRIP_NOPS possibly did.
1321
1322 2005-06-01  Richard Guenther  <rguenth@gcc.gnu.org>
1323
1324         * tree.h (fold_indirect_ref_1): Export from fold-const.c.
1325         * fold-const.c (fold_indirect_ref_1): No longer static.
1326         * tree-inline.c (copy_body_r): Use fold_indirect_ref_1 for
1327         folding, if possible.
1328
1329 2005-06-01  Joseph S. Myers  <joseph@codesourcery.com>
1330
1331         * common.opt (fjump-tables): New.
1332         * doc/invoke.texi (-fno-jump-tables): Document.
1333         * stmt.c (expand_end_case_type): Do not emit jump tables unless
1334         flag_jump_tables.
1335
1336 2005-06-01  Richard Earnshaw  <richard.earnshaw@arm.com>
1337
1338         * arm.md (bunordered, bordered, bungt, bunlt, bunge, bunle, buneq)
1339         (bltgt, arm_buneq, arm_bltgt, sunordered, sordered, sungt, sunge)
1340         (sunlt, sunle): Enable patterns on VFP.
1341
1342         * arm.md (attribute 'type'): Add new types - f_loads floadd, f_stores,
1343         f_stored, f_flag, f_cvt.
1344         (generic_sched): No-longer used for the arm1020e and arm1022e cores.
1345         Include arm1020e.md.
1346         * vfp.md (fmstat): New cpu unit.  Add an exclusion set between it and
1347         the ds and fmac pipelines.  Re-work all load and store patterns and
1348         all conversion patterns to use new attributes.  Adjust reservation
1349         descriptions accordingly.
1350         * arm1020e.md: New file.
1351         * t-arm: Add dependency.
1352
1353 2005-06-01  Jan Hubicka  <jh@suse.cz>
1354
1355         * except.c (struct eh_region): Kill unused fields.
1356         * basic-block.h (struct basic_block_def): Likewise.
1357
1358 2005-06-01  J"orn Rennecke <joern.rennecke@st.com>
1359
1360         PR rtl-optimization/21767
1361         * rtl.h (function_invariant_p): Re-add declaration.
1362         * reload1.c (function_invariant_p): No longer static.
1363         * ifcvt.c (dead_or_predicable): Remove REG_EQUAL notes that
1364         might have become invalid.
1365
1366 2005-06-01  Jakub Jelinek  <jakub@redhat.com>
1367
1368         PR c/21536
1369         PR c/20760
1370         * gimplify.c (gimplify_decl_expr): Call gimplify_type_sizes
1371         on variable sizes types if a decl is a pointer to a VLA.
1372         (gimplify_type_sizes): Handle POINTER_TYPE and REFERENCE_TYPE.
1373         Call gimplify_type_sizes on aggregate fields.  Prevent infinite
1374         recursion.
1375
1376         * fold-const.c (fold_ternary): Optimize BIT_FIELD_REF of VECTOR_CST.
1377
1378         * config/i386/xmmintrin.h (_mm_setzero_ps, _mm_set_ss, _mm_set1_ps,
1379         _mm_set_ps, _mm_setr_ps): Add __extension__.
1380         * config/i386/emmintrin.h (_mm_set_sd, _mm_set1_pd, _mm_set_pd,
1381         _mm_setr_pd, _mm_setzero_pd, _mm_set_epi64x, _mm_set_epi64x,
1382         _mm_set_epi32, _mm_set_epi16, _mm_set_epi8, _mm_setzero_si128):
1383         Likewise.
1384         (_mm_clflush): Don't use return in void function.
1385
1386         * config/i386/emmintrin.h (_mm_castpd_ps, _mm_castpd_si128,
1387         _mm_castps_pd, _mm_castps_si128, _mm_castsi128_ps, _mm_castsi128_pd):
1388         Use __inline instead of inline.
1389
1390 2005-06-01  Richard Guenther  <rguenth@gcc.gnu.org>
1391
1392         * fold-const.c (fold_binary): Fix types in strlen vs.
1393         zero comparison folding.
1394
1395 2005-06-01  Richard Henderson  <rth@redhat.com>
1396
1397         * configure.ac (HAVE_AS_JSRDIRECT_RELOCS): New.
1398         * config.in, configure: Rebuild.
1399         * config/alpha/alpha.c (print_operand): Add 'j'.
1400         * alpha.md (divmodsi_internal_er_1): Use it.
1401         (divmoddi_internal_er_1): Likewise.
1402
1403 2005-06-01  Richard Sandiford  <rsandifo@redhat.com>
1404
1405         * system.h (TARGET_OPTIONS, TARGET_SWITCHES): Poison.
1406         * opts.h (print_filtered_help): Delete.
1407         * opts.c (handle_option, decode_options): Remove calls to
1408         set_target_switch.
1409         (print_target_help): New function.
1410         (common_option, print_help): Call print_target_help instead of
1411         display_target_options.
1412         (print_filtered_help): Make static.
1413         * toplev.h (display_target_options, set_target_switch): Delete.
1414         * toplev.c (target_switches, target_options, display_target_options)
1415         (set_target_switch): Delete.
1416         (print_switch_values): Remove handling of TARGET_SWITCHES and
1417         TARGET_OPTIONS.
1418         (default_get_pch_validity): Likewise.  Only treat target_flags
1419         specially if targetm.check_pch_target_flags is nonnull.
1420         (pch_option_mismatch): New function.
1421         (default_pch_valid_p): Use it.  Remove handling of TARGET_SWITCHES
1422         and TARGET_OPTIONS.  Only treat target_flags specially if
1423         targetm.check_pch_target_flags is nonnull.
1424         * config/ia64/ia64.c (ia64_override_options): Don't mention
1425         TARGET_OPTIONS in comment.
1426         * config/m68k/m68k-none.h (CC1_SPEC): Likewise.
1427         * doc/invoke.texi: Remove a reference to TARGET_SWITCHES.
1428         * doc/tm.texi (TARGET_DEFAULT_TARGET_FLAGS): Don't mention the
1429         interaction with TARGET_SWITCHES.
1430         (TARGET_@var{featurename}, TARGET_SWITCHES, TARGET_OPTIONS): Delete.
1431
1432 2005-06-01  Richard Sandiford  <rsandifo@redhat.com>
1433
1434         * config/sh/sh.c (multcosts): Check sh_multcost rather than
1435         sh_multcost_str.
1436         (sh_register_move_cost): Likewise sh_gettrcost and sh_gettrcost_str.
1437         (sh_multcost_str, sh_gettrcost_str, sh_div_str, sh_divsi3_libfunc)
1438         (cut2_workaround_str): Delete.
1439         * config/sh/sh.h (SUBTARGET_OPTIONS, TARGET_OPTIONS)
1440         (TARGET_SH5_CUT2_WORKAROUND, sh_multcost_str, sh_gettrcost_str)
1441         (sh_div_str, sh_divsi3_libfunc, cut2_workaround_str): Delete.
1442         * config/sh/sh.opt (mcut2-workaround, mdiv=, mdivsi3_libfunc=)
1443         (mgettrcost=, multcost=): New options.
1444
1445 2005-06-01  Richard Sandiford  <rsandifo@redhat.com>
1446
1447         * opts.h (cl_option_state): New structure.
1448         (get_option_state): Declare.
1449         * opts.c (get_option_state): New function.
1450         * toplev.c (option_affects_pch_p): New function.
1451         (default_get_pch_validity): Store the state of all options for which
1452         option_affects_pch_p returns true.
1453         (default_pch_valid_p): Check the state of those options here.
1454         Only check target_flags separately if targetm.check_pch_target_Flags
1455         is nonnull or if TARGET_SWITCHES is defined.
1456
1457 2005-06-01  Richard Sandiford  <rsandifo@redhat.com>
1458
1459         * config/mips/mips-protos.h (mips_use_ins_ext_p): Remove parameter
1460         names.
1461
1462 2005-06-01 Mostafa Hagog <mustafa@il.ibm.com>
1463
1464         * modulo-sched.c (undo_generate_reg_moves ): Fix PR 21138.
1465
1466 2005-06-01 Mostafa Hagog <mustafa@il.ibm.com>
1467
1468         * gcse.c (compute_transp, load_killed_in_block): Use 
1469         MEM_READONLY_P.
1470
1471 2005-06-01  David.Billinghurst  <David.Billinghurst@riotinto.com>
1472
1473         PR target/21854
1474         * config/mips/mips-protos.h: Declare mips_use_ins_ext_p
1475         
1476 2005-05-31  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1477
1478         * errors.h (warning, error, fatal, internal_error): Add printf
1479         attribute.
1480         * genmodes.c (make_vector_mode): Fix format arguments.
1481
1482 2005-05-31  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1483
1484         * basic-block.h, bb-reorder.c, c-gimplify.c, config/darwin.c,
1485         config/rs6000/rs6000-c.c, dominance.c, gimple-low.c, gimplify.c,
1486         lambda-code.c, lambda-trans.c, tree-browser.c, tree-cfg.c,
1487         tree-chrec.c, tree-data-ref.c, tree-dfa.c, tree-eh.c,
1488         tree-if-conv.c, tree-into-ssa.c, tree-loop-linear.c,
1489         tree-mudflap.c, tree-nomudflap.c, tree-outof-ssa.c,
1490         tree-pretty-print.c, tree-scalar-evolution.c, tree-sra.c,
1491         tree-ssa-ccp.c, tree-ssa-copy.c, tree-ssa-dce.c, tree-ssa-dom.c,
1492         tree-ssa-dse.c, tree-ssa-forwprop.c, tree-ssa-live.c,
1493         tree-ssa-operands.c, tree-ssa-phiopt.c, tree-ssa-pre.c,
1494         tree-ssa-propagate.c, tree-ssa-sink.c, tree-ssa-threadupdate.c,
1495         tree-ssa-uncprop.c, tree-ssa.c, tree-vect-analyze.c,
1496         tree-vect-transform.c, tree-vectorizer.c, vec.c: Don't include
1497         errors.h and include toplev.h if necessary.
1498         
1499         * rtl.c, varray.c: If we're compiling as a GENERATOR_FILE, include
1500         errors.h otherwise include toplev.h.
1501         
1502         * Makefile.in: Update dependencies.
1503         
1504 2005-06-01  Danny Smith  <dannysmith@users.sourceforge.net>
1505
1506         * config/i386/cygming.h (NO_PROFILE_COUNTERS): Define.
1507
1508 2005-05-31  Geoffrey Keating  <geoffk@geoffk.org>
1509
1510         * config/rs6000/rs6000.md (sync_boolcshort_internal): New.
1511         * config/rs6000/rs6000.c (rs6000_emit_sync): Shift count must
1512         be complemented for big-endian.  Mask for AND must be rotated,
1513         not shifted.  Handle short operands with NOT on the memory
1514         operation.
1515
1516 2005-05-30  Daniel Berlin  <dberlin@dberlin.org>
1517
1518         * c-objc-common.c (c_tree_printer): Check flag before hashtable.
1519         Use DECL_DEBUG_EXPR and SET_DECL_DEBUG_EXPR.
1520         * dwarf2out.c (dwarf2out_var_location): Ditto.
1521         * toplev.c (default_tree_printer): Ditto.
1522         * tree-outof-ssa.c (create_temp): Ditto.
1523         * tree-sra.c (instantiate_element): Ditto.
1524         * var-tracking.c (track_expr_p): Ditto.
1525         * tree.c (struct tree_map): New structure.
1526         (debug_expr_for_decl): New.
1527         (tree_map_eq): New function.
1528         (tree_map_hash): Ditto.
1529         (tree_map_marked_p): Ditto.
1530         (print_debug_expr_statistics): Ditto.
1531         (decl_debug_expr_lookup): Ditto.
1532         (decl_debug_expr_insert): Ditto.
1533         (dump_tree_statistics): Dump debug_expr hashtable stats.
1534         * tree.h (DECL_DEBUG_EXPR): Change
1535         (SET_DECL_DEBUG_EXPR): Add.
1536         
1537 2005-06-01  Alan Modra  <amodra@bigpond.net.au>
1538
1539         * configure.ac: Add --enable-secureplt.
1540         (HAVE_AS_REL16): Test for R_PPC_REL16 relocs.
1541         * config.in: Regenerate.
1542         * configure: Regenerate.
1543         * config.gcc (powerpc64-*-linux*, powerpc-*-linux*): Add
1544         rs6000/secureplt.h to tm_file when enable_secureplt.
1545         * doc/invoke.texi (msecure-plt, mbss-plt): Document.
1546         * doc/install.texi: Document --enable-targets and --enable-secureplt.
1547         Correct xrefs to "Using the GNU Compiler Collection (GCC)".
1548         * config/rs6000/secureplt.h: New file.
1549         * config/rs6000/sysv4.h (TARGET_SECURE_PLT): Define.
1550         (SUBTARGET_OVERRIDE_OPTIONS): Error if -msecure-plt given without
1551         assembler support.
1552         (CC1_SECURE_PLT_DEFAULT_SPEC): Define.
1553         (CC1_SPEC): Delete duplicate mno-sdata.  Invoke cc1_secure_plt_default.
1554         (SUBTARGET_EXTRA_SPECS): Add cc1_secure_plt_default.
1555         * config/rs6000/sysv4.opt (msecure-plt, bss-plt): Add options.
1556         * config/rs6000/rs6000.h (TARGET_SECURE_PLT): Define.
1557         * config/rs6000/rs6000.c (rs6000_emit_load_toc_table): Handle
1558         TARGET_SECURE_PLT got register load sequence.
1559         (rs6000_emit_prologue): Call rs6000_emit_load_toc_table when
1560         TARGET_SECURE_PLT.
1561         (rs6000_elf_declare_function_name): Don't emit toc address offset
1562         word when TARGET_SECURE_PLT.
1563         * config/rs6000/rs6000.md (elf_high, elf_low): Move past load_toc_*.
1564         (load_toc_v4_PIC_1) Enable for TARGET_SECURE_PLT.
1565         (load_toc_v4_PIC_3b, load_toc_v4_PIC_3c): New insns.
1566         (call, call_value): Mark pic_offset_table_rtx used for sysv pic and
1567         TARGET_SECURE_PLT.
1568         (call_nonlocal_sysv, call_value_nonlocal_sysv, sibcall_nonlocal_sysv,
1569         sibcall_value_nonlocal_sysv): Add 32768 offset when TARGET_SECURE_PLT
1570         and -fPIC.
1571         * config/rs6000/tramp.asm (trampoline_initial): Use "bcl 20,31".
1572         (__trampoline_setup): Likewise.  Init r30 before plt call.
1573
1574 2005-05-31  DJ Delorie  <dj@redhat.com>
1575
1576         * expr.c (convert_move): When a partial_int requires multiple
1577         conversion steps, make sure successive steps convert the
1578         intermediate value, not the original value.
1579
1580         * expmed.c (expand_mult): Convert partial_int multiplies to
1581         shift/add combinations too.
1582
1583         * genmodes.c (mode_data): Add wider_2x.
1584         (calc_wider_mode): Calculate twice-wider mode too.
1585         (emit_mode_wider): Emit twice-wider mode too.
1586         * machmode.h (mode_2xwider, GET_MODE_2XWIDER_MODE): New.
1587         * expr.c (expand_expr_real_1): Use it for expanding
1588         multiplies.
1589
1590 2005-05-31  Zdenek Dvorak  <dvorakz@suse.cz>
1591
1592         PR tree-optimization/21817
1593         * tree-ssa-loop-im.c (for_each_index): Handle VECTOR_CST.
1594
1595 2005-05-31  Pat Haugen  <pthaugen@us.ibm.com>
1596
1597         * loop.c (loop_invariant_p, valid_initial_value_p): Revert last
1598         change.
1599
1600 2005-05-31  Andrew Pinski  <pinskia@physics.uc.edu>
1601
1602         PR middle-end/20931
1603         PR middle-end/20946
1604         * fold-const.c (fold_checksum_tree): Copy types also if
1605         TYPE_CONTAINS_PLACEHOLDER_INTERNAL is set.
1606         Don't call fold_checksum_tree for TREE_LIST's TREE_CHAIN
1607         first.
1608         Tail recurse TREE_LIST's TREE_CHAIN.
1609
1610 2005-05-31  Andrew Pinski  <pinskia@physics.uc.edu>
1611
1612         PR tree-opt/21732
1613         * tree-ssa-copy.c (dump_copy_of): Create a bitmap and don't visit a
1614         SSA_NAME twice and cause the loop to become finite.  Remove the test
1615         for val.
1616
1617 2005-05-31  Andrew Pinski  <pinskia@physics.uc.edu>
1618
1619         * tree-cfg.c (verify_expr): Add checking for COND_EXPR's conditional
1620         expression.
1621
1622 2005-05-31  Richard Sandiford  <rsandifo@redhat.com>
1623
1624         * doc/tm.texi (TARGET_GET_PCH_VALIDITY, TARGET_PCH_VALID_P): Tweak
1625         the documentation to make it more future-proof.
1626         (TARGET_CHECK_PCH_TARGET_FLAGS): Document this new hook.
1627         * target.h (gcc_target): Add check_pch_target_flags.
1628         * target-def.h (TARGET_CHECK_PCH_TARGET_FLAGS): New macro.
1629         (TARGET_INITIALIZER): Include it.
1630         * toplev.c (default_pch_valid_p): Use targetm.check_pch_target_flags.
1631         * config/sh/sh-protos.h (sh_pch_valid_p): Delete.
1632         * config/sh/sh.c (TARGET_PCH_VALID_P, sh_pch_valid_p): Delete.
1633         (sh_check_pch_target_flags): New function.
1634         (TARGET_CHECK_PCH_TARGET_FLAGS): Override default.
1635
1636 2005-05-31  Richard Guenther  <rguenth@gcc.gnu.org>
1637
1638         * fold-const.c (extract_array_ref): Handle more cases,
1639         do some useful canonicalization of the base.
1640         (fold_binary): Explicitly deal with arrays of zero-sized
1641         structures during folding of &a[i] == &a[j].
1642
1643 2005-05-31  Eric Botcazou  <ebotcazou@libertysurf.fr>
1644
1645         * doc/install.texi (sparc-sun-solaris2*): Update note
1646         about Sun bug 4910101.
1647         (sparc-sun-solaris2.7): Document bootstrap
1648         failure with Sun WorkShop 6 99/08/18 as.
1649
1650 2005-05-30  Pat Haugen  <pthaugen@us.ibm.com>
1651
1652         * loop.c (loop_invariant_p, valid_initial_value_p): Use
1653         regs_invalidated_by_call instead of call_used_regs.
1654
1655 2005-05-30  Paolo Carlini  <pcarlini@suse.de>
1656
1657         PR middle-end/21743
1658         * builtins.def (BUILT_IN_CLOG, BUILT_IN_CLOGF, BUILT_IN_CLOGL):
1659         Enable.
1660         * doc/extend.texi: Add clog, clogf, clogl.
1661
1662 2005-05-30  H.J. Lu  <hongjiu.lu@intel.com>
1663
1664         PR middle-end/20303
1665         * c-pragma.c: Include "vec.h".
1666         (handle_pragma_visibility): Use VEC.
1667
1668         * doc/invoke.texi: Remove the nested visibility push limit.
1669
1670 2005-05-30  Roger Sayle  <roger@eyesopen.com>
1671
1672         PR rtl-optimization/15422
1673         * reg-stack.c (starting_stack_p): New static global.
1674         (straighten_stack): Delete prototype. Change to update the stack
1675         before the current insn.
1676         (subst_stack_regs): Update call to straighten stack.
1677         (emit_swap_insn): Delete prototype.  For the first insn in a
1678         basic block, update stack_in instead of emitting a real swap.
1679         (change_stack): When changing the stack before the first insn
1680         in a basic block, update stack_in instead of emitting real code.
1681         (compensate_edges): Clear starting_stack_p during compensation.
1682         (convert_regs_1): Keep track of starting_stack_p whilst processing
1683         a basic block.
1684
1685 2005-05-30  Kazu Hirata  <kazu@cs.umass.edu>
1686
1687         * tree-ssa-ccp.c (const_val): Make it static.
1688
1689 2005-05-29  Geoffrey Keating  <geoffk@apple.com>
1690
1691         PR target/21761
1692         * config/rs6000/rs6000.md: Remove stray TARGET_32BIT from
1693         pattern involving `:P'.
1694
1695         * Makefile.in (install-cpp): Depend on installdirs.
1696
1697 2005-05-30  Kazu Hirata  <kazu@cs.umass.edu>
1698
1699         * tree-outof-ssa.c (_elim_graph): Change the type of edge_list
1700         to VEC(int,heap)*.
1701         (new_elim_graph, clear_elim_graph, delete_elim_graph,
1702         elim_graph_add_edge, elim_graph_remove_succ_edge,
1703         FOR_EACH_ELIM_GRAPH_SUCC, FOR_EACH_ELIM_GRAPH_PRED): Use VEC
1704         instead of VARRAY.
1705
1706 2005-05-29  Kazu Hirata  <kazu@cs.umass.edu>
1707
1708         * cgraphunit.c, ipa-inline.c, loop-iv.c, modulo-sched.c,
1709         opts.c, postreload-gcse.c, tree-browser.def, tree-eh.c,
1710         tree-ssa-copyrename.c, tree-vect-analyze.c: Fix typos and
1711         follow spelling conventions in error/dump messages.
1712
1713 2005-05-29  Roger Sayle  <roger@eyesopen.com>
1714             Richard Henderson  <rth@redhat.com>
1715
1716         * ifcvt.c (noce_emit_move_insn): Construct a SET pattern directly
1717         if the RHS isn't suitable for calling emit_move_insn.
1718
1719 2005-05-29  Kazu Hirata  <kazu@cs.umass.edu>
1720
1721         * tree-ssa-ccp.c (ccp_fold): Return immediately after calling
1722         fold_unary and fold_binary.
1723
1724 2005-05-29  Roger Sayle  <roger@eyesopen.com>
1725
1726         * reg-stack.c (propagate_stack): Always copy the source stack to
1727         the destination.  This routine is now only called when this is safe.
1728         (better_edge): New function split out from convert_regs_1 to
1729         determine which of two edges is better to propagate across.
1730         (convert_regs_1):  We need only search for a best edge if the
1731         stack layout hasn't been defined yet.  Use better_edge to help
1732         find beste.  No longer traverse unnecessary edges.
1733
1734 2005-05-29  Keith Besaw  <kbesaw@us.ibm.com>
1735
1736         * tree-ssa-alias.c (new_type_alias): New procedure to
1737         create a type memory tag for a pointer with a may-alias
1738         set determined from a variable declaration.
1739         * tree-flow.h: export declaration of new_type_alias
1740         * tree-optimize.c (init_tree_optimization_passes): document
1741         that pass_may_alias cannot be called after pass_vectorize.
1742         * tree-vect-transform (vect_create_data_ref_ptr): Call
1743         new_type_alias when an type memory tag isn't available
1744         for a reference.
1745         (vectorizable_store): Use copy_virtual_operands to update
1746         virtual defs in place (so that loop_version can be called).
1747         Call mark_for_renaming for the virtual defs in case peeling
1748         is done and virtual uses outside the loop need to be updated.
1749
1750 2005-05-29  Dorit Naishlos  <dorit@il.ibm.com>
1751
1752         PR tree-optimization/21639
1753         * tree-complex.c (pass_lower_vector_s): Remove TODO_ggc_collect.
1754
1755 2005-05-29  Jan Hubicka  <jh@suse.cz>
1756
1757         PR tree-optimization/21562
1758         * cfgexpand.c (construct_init_block): Deal properly with the case
1759         of entry edge not pointing to very first basic block.
1760
1761 2005-05-28  Kazu Hirata  <kazu@cs.umass.edu>
1762
1763         * tree-ssa-ccp.c (ccp_fold): Remove code that produces
1764         non-gimple min invariant.
1765
1766         * Makefile.in (OBJS-common): Add tree-cfgcleanup.o.
1767         * tree-flow.h: Add prototypes for start_recording_case_labels
1768         and end_recording_case_labels.
1769         * tree-cfg.c (start_recording_case_labels,
1770         end_recording_case_labels): Export.
1771         (cleanup_tree_cfg_loop, modified_noreturn_calls,
1772         cleanup_control_flow, cleanup_control_expr_graph,
1773         remove_fallthru_edge, phi_alternatives_equal,
1774         tree_forwarder_block_p, has_abnormal_incoming_edge_p,
1775         remove_forwarder_block, cleanup_forwarder_blocks,
1776         remove_forwarder_block_with_phi, merge_phi_nodes,
1777         gate_merge_phi, pass_merge_phi): Move to ...
1778         * tree-cfgcleanup.c: ... here.
1779
1780         * basic-block.h: Remove forward declaration of bb_ann_d.
1781
1782 2005-05-28  Jan Hubicka  <jh@suse.cz>
1783
1784         * tree-ssa-threadupdate.c: (create_edge_and_update_destination_phis):
1785         Update profile.
1786         * value-prof.c (tree_divmod_fixed_value_transform): Be more verbose in
1787         debug output.
1788         (tree_mod_subtract): Fix profile updating code.
1789         (tree_divmod_values_to_profile): Do not produce useless value profilers
1790         for divisions.
1791
1792 2005-05-28  Kazu Hirata  <kazu@cs.umass.edu>
1793
1794         * tree-ssa-dom.c (vrp_element_p): Define.
1795         (vrp_hash_elt): Change the type of records to
1796         VEC(vrp_element_p,heap).
1797         (vrp_free): New.
1798         (tree_ssa_dominator_optimize): Pass vrp_free to htab_create.
1799         Update uses of VRP records.
1800         (simplify_cond_and_lookup_avail_expr, record_range): Update
1801         uses of VRP records.
1802
1803         * tree-inline.c (cfun_stack): Change the type to
1804         VEC(function_p,heap).
1805         (push_cfun, pop_cfun): Use VEC instead of VARRAY.
1806
1807 2005-05-27  Ian Lance Taylor  <ian@airs.com>
1808
1809         * c-decl.c (add_stmt): Add C frontend specific version.
1810         (stmts_are_full_exprs_p): Remove.
1811         * c-common.h (STMT_IS_FULL_EXPR_P): Remove.
1812         (stmts_are_full_exprs_p): Don't declare.
1813         * c-semantics.c (add_stmt): Remove.
1814
1815 2005-05-27  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1816
1817         * config/mips/mips-protos.h (mips_declare_object): Add printf
1818         attribute.
1819         * config/mips/mips.c (mips_declare_object_name): Fix format
1820         argument.
1821
1822 2005-05-27  Roger Sayle  <roger@eyesopen.com>
1823
1824         * reg-stack.c (compensate_edge): Remove original prototype.
1825         (propagate_stack): New function to copy the stack layout
1826         at the start of a basic block from the layout at the end of
1827         one of its predecessors.
1828         (compensate_edge): Assume that both source and destination
1829         blocks have already had their stack layouts defined.
1830         (compensate_edges): Traverse all non-entry edges in the CFG
1831         and call compensate_edge on each in turn.
1832         (convert_regs_1): Change return type to void.  Call
1833         propagate_stack instead of compensate_edge.
1834         (convert_regs_2): Change return type to void.  Update call
1835         to convert_regs_1 to ignore the (now void) return value.
1836         (convert_regs): Update calls to convert_regs_2 to ignore
1837         the (now void) return value.  After all the basic blocks have
1838         been processed, call compensate_edges to actually emit new
1839         insns.
1840         (reg_to_stack): Initialize the aux info for each basic block
1841         with FOR_EACH_BB instead of which FOR_EACH_BB_REVERSE.
1842
1843 2005-05-28  Jan Hubicka  <jh@suse.cz>
1844
1845         * except.c (can_throw_internal_1, can_throw_external_1): Add 
1846         "is_resx" argument.
1847         (can_throw_external, can_throw_internal): Bring into sync wrt
1848         dealing resx.
1849         * except.h (can_throw_internal_1, can_throw_external_1): Update
1850         prototype.
1851         * tree-eh.c (tree_can_throw_internal, tree_can_throw_external):
1852         Deal properly with resx.
1853
1854 2005-05-27  Kazu Hirata  <kazu@cs.umass.edu>
1855
1856         * basic-block.h (basic_block_def): Add phi_nodes and
1857         predictions.  Remove tree_annotations.
1858         * predict.c (tree_predicted_by_p, tree_predict_edge,
1859         combine_predictions_for_bb): Adjust references to predictions.
1860         * tree-cfg.c (init_empty_tree_cfg, create_bb): Don't call
1861         create_block_annotation.
1862         (create_block_annotation, free_blocks_annotatios,
1863         clear_blocks_annotations): Remove.
1864         (dump_cfg_stats): Don't print out the memory spent on
1865         bb_ann_d.
1866         (delete_tree_cfg_annotations): Don't call free_blocks_annotations.
1867         * tree-flow-inline.h (bb_ann): Remove.
1868         (phi_nodes, set_phi_nodes): Update references to phi_nodes.
1869         * tree-flow.h (bb_ann_d): Remove.
1870         * tree-if-conv.c (process_phi_nodes): Update a reference to
1871         phi_nodes.
1872         * tree-phinodes.c (reserve_phi_args_for_new_edge,
1873         create_phi_node, remove_phi_node): Likewise.
1874         * tree-pretty-print.c (dump_generic_bb_buff): Don't call bb_ann.
1875         * tree-ssa-dom.c (threaded_blocks): New.
1876         (tree_ssa_dominator_optimize): Initialize, clear, and free
1877         threaded_blocks. Update a call to thread_through_all_blocks.
1878         (thread_across_edge): Use threaded_blocks instead of setting
1879         incoming_edge_threaded.
1880         * tree-ssa-threadupdate.c (threaded_through_all_blocks): Take
1881         a bitmap of blocks that are threaded through.
1882         * tree.h: Move the prototype of threaded_through_blocks to
1883         tree-flow.h.
1884
1885         * domwalk.c (walk_dominator_tree, init_walk_dominator_tree,
1886         fini_walk_dominator_tree): Use VEC instead of VARRAY.
1887         * domwalk.h (dom_walk_data): Change the type of
1888         block_data_stack and free_block_data to VEC(void_p,heap)*.
1889         * tree-ssa-dse.c (dse_initialize_block_local_data,
1890         dse_optimize_stmt, dse_record_phis, dse_finalize_block): Use
1891         VEC instead of VARRAY.
1892
1893 2005-05-27  Jan Hubicka  <jh@suse.cz>
1894
1895         * cgraph.c: Include tree-gimple.h
1896         (cgraph_edge): Rename expr to stmt.
1897         (cgraph_create_edge): Likewise.
1898         (cgraph_clone_node): Likewise.
1899         * cgraph.h (cgraph_node): Use call_stmt instead of call_expr.
1900         * cgraphunit.c (record_call_1): Rename to ...
1901         (record_reference): ... this one; do not build edges.
1902         (cgraph_varpool_analyze_pending_decls): Call record_reference directly.
1903         (current_basic_block): Kill.
1904         (cgraph_create_edges): Rewrite to work on gimple statements nicely.
1905         (verify_cgraph_node): Likewise.
1906         * tree-inline.c (copy_body_r): Do not mess up with cgraph edges.
1907         (copy_bb): Mess up with cgraph edges here; simplify EH handling.
1908         (copy_edges_for_bb): Simplify EH handling.
1909         (expand_call_inline): Pass statement to cgraph_edge and
1910         cgraph_create_edge.
1911
1912 2005-05-27  Richard Guenther  <rguenth@gcc.gnu.org>
1913
1914         * tree-inline.c (copy_body_r): Manually fold *& to deal
1915         with ADDR_EXPRs with mismatched types for now.
1916
1917         * gimplify.c (fold_indirect_ref_rhs): New function.
1918         (gimplify_modify_expr_rhs): Use it instead of pessimistic
1919         fold_indirect_ref.
1920
1921         * fold-const.c (fold_indirect_ref_1): Add type argument;
1922         make sure the resulting expression is of this type.
1923         (build_fold_indirect_ref, fold_indirect_ref): Adjust callers.
1924
1925 2005-05-27  Kazu Hirata  <kazu@cs.umass.edu>
1926
1927         PR tree-optimization/21658
1928         * tree-ssa-ccp.c (ccp_fold): Call fold_binary instead of
1929         fold_binary_to_constant.  Likewise, call fold_unary instead of
1930         fold_unary_to_constant.
1931
1932 2005-05-27  Nathan Sidwell  <nathan@codesourcery.com>
1933
1934         * vec.h: Implement integral type vector specialization.
1935         (VEC_T): Define a non-GTY structure.
1936         (VEC_T_GTY): Define a GTY structure.
1937         (VEC_TA): Rename to ...
1938         (VEC_TA_GTY): ... here.
1939         (DEF_VEC_I, DEF_VEC_ALLOC_I): New.
1940         (DEF_VEC_P, DEF_VEC_ALLOC_P): Adjust.
1941         (DEF_VEC_FUNC_P, DEF_VEC_ALLOC_FUNC_P): New, broken out of
1942         DEF_VEC_P and DEF_VEC_ALLOC_P.
1943         (DEF_VEC_O, DEF_VEC_ALLOC_O): Adjust.
1944         (DEF_VEC_FUNC_O, DEF_VEC_ALLOC_FUNC_O): New, broken out of
1945         DEF_VEC_O and DEF_VEC_ALLOC_O.
1946         * global.c: Use DEF_VEC_I, DEF_VEC_ALLOC_I.
1947         * lambda-code.c: Likewise.
1948         * tree-into-ssa.c: Likewise.
1949         * tree-ssa-live.c: Likewise.
1950
1951 2005-05-27  Kazu Hirata  <kazu@cs.umass.edu>
1952
1953         * tree-into-ssa.c (update_ssa): Ensure that the operand cache
1954         is up-to-date.
1955         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Call
1956         update_stmt_if_modified before calling update_ssa.
1957
1958 2005-05-27  Ralf Corsepius  <ralf.corsepius@rtems.org>
1959
1960         * config/rs6000/t-rtems: Remove roe multilib variant.
1961
1962 2005-05-26  Roger Sayle  <roger@eyesopen.com>
1963
1964         PR tree-optimization/9814
1965         * ifcvt.c (noce_emit_move_insn): If we fail to recognize the move
1966         instruction, add the necessary clobbers by re-expanding the RTL
1967         for arithmetic operations via optab.c's expand_unop/expand_binop.
1968         (noce_try_bitop): New function to optimize bit manipulation idioms
1969         of the form "if (x & C) x = x op C" and "if (!(x & C) x = x op C".
1970         (noce_process_if_block): Call noce_try_bitop.
1971
1972 2005-05-26  Roger Sayle  <roger@eyesopen.com>
1973
1974         * reg-stack.c (convert_regs_entry, convert_regs_exit,
1975         convert_regs_1, convert_regs_2, convert_regs): Delete prototypes.
1976         (reg_to_stack): Move to end of the file.  Initialize the per
1977         basic block information here, instead of...
1978         (convert_regs_entry): Here.
1979         (convert_regs): Change unused return type to void.
1980
1981 2005-05-27  Kazu Hirata  <kazu@cs.umass.edu>
1982
1983         * c-pch.c, timevar.c, timevar.h, unwind-compat.c,
1984         unwind-dw2-fde-compat.c, unwind-dw2-fde.c, config/mmix/mmix.h,
1985         config/rs6000/eabispe.h, config/rs6000/lynx.h,
1986         config/sh/elf.h, config/sh/symbian-pre.h,
1987         config/sparc/sparc-protos.h: Update copyright.
1988
1989 2005-05-26  Mike Stump  <mrs@apple.com>
1990
1991         * darwin.h (ASM_OUTPUT_LABELREF): Handle quoted non-lazy pointers
1992         for Objective-C++.
1993         
1994 2005-05-26  Richard Guenther  <rguenth@gcc.gnu.org>
1995
1996         * tree-ssa-forwprop.c (forward_propagate_addr_expr):
1997         See through ADDR_EXPR in finding place to propagate into.
1998
1999 2005-05-26  Kazu Hirata  <kazu@cs.umass.edu>
2000
2001         * c-common.c, c-parser.c, cfgbuild.c, cfghooks.c, cfghooks.h,
2002         cfgrtl.c, cgraphunit.c, ddg.c, expr.h, gcse.c, ggc-page.c,
2003         ggc-zone.c, gimplify.c, ipa-inline.c, longlong.h, targhooks.c,
2004         tree-flow-inline.h, tree-pass.h, tree-ssa-dse.c,
2005         tree-ssa-loop-im.c, tree-ssa-loop-ivopts.c,
2006         tree-ssa-operands.c, tree-vect-analyze.c,
2007         tree-vect-transform.c, tree-vectorizer.c, tree.c,
2008         config/arm/arm.c, config/bfin/bfin.c, config/frv/frv.c,
2009         config/frv/frv.md, config/i386/i386.c, config/i386/sse.md,
2010         config/m68hc11/m68hc11.c, config/m68hc11/m68hc11.h,
2011         config/mcore/mcore.c, config/mips/mips.c, config/mips/mips.md,
2012         config/rs6000/darwin-ldouble.c, config/rs6000/rs6000.c,
2013         config/rs6000/rs6000.h, config/sh/sh.c, config/sh/sh.md,
2014         config/sh/ushmedia.h, config/sparc/sparc.c,
2015         config/sparc/sparc.md, config/stormy16/stormy-abi: Fix comment
2016         typos.  Follow spelling conventions.
2017         * doc/invoke.texi, doc/tm.texi, doc/tree-ssa.texi: Fix typos.
2018         Follow spelling conventions.
2019
2020 2005-05-26  David Ung  <davidu@mips.com>
2021
2022         * config/mips/mips.c (mips_use_ins_ext_p): New helper function
2023         that determines whether the MIPS32/64 R2 ext/ins should be used.
2024         * config/mips/mips.h (ISA_HAS_EXT_INS): New macro.
2025         * config/mips/mips.md (extzv): Changed predicate for operand to
2026         nonimmediate_operand. Add code to generate insn patterns for
2027         extzvsi and extzvdi.
2028         (extzv<mode>): New pattern to match mips32/64 r2 ext insn.
2029         (insv): Similarly for insertion.
2030         (insv<mode>): Similarly.
2031
2032 2005-05-26  Paolo Bonzini  <bonzini@gnu.org>
2033
2034         * simplify-rtx.c (avoid_constant_pool_reference): Support
2035         offsetted addresses in the constant pool.
2036
2037 2005-05-26  Paolo Bonzini  <bonzini@gnu.org>
2038
2039         * df.h (DF_SUBREGS, df_local_def_available_p, df_insn_modified_p): New.
2040         * df.c (DF_SUBREGS, df_local_def_available_p, df_insn_modified_p): New.
2041
2042 2005-05-26  Jakub Jelinek  <jakub@redhat.com>
2043
2044         PR target/21716
2045         * reg-stack.c (swap_rtx_condition): Don't crash if %ax user was not
2046         found in the basic block and last insn in the basic block is not
2047         INSN_P.  Remove explicit unspec numbers that are no longer valid
2048         from comments.
2049
2050 2005-05-26  Paolo Bonzini  <bonzini@gnu.org>
2051
2052         * tree-vect-transform.c (vectorizable_operation): Try word_mode
2053         vectorization if UNITS_PER_WORD == UNITS_PER_SIMD_WORD, even
2054         if a vector mode is available.
2055
2056 2005-05-25  Roger Sayle  <roger@eyesopen.com>
2057
2058         PR middle-end/21709
2059         * fold-const.c (const_binop): Check for division by zero during
2060         complex division.
2061
2062 2005-05-26  Ian Lance Taylor  <ian@airs.com>
2063
2064         * reload1.c (verify_initial_elim_offsets): Add braces to avoid
2065         having a declaration after a statement.
2066
2067 2005-05-26  Richard Sandiford  <rsandifo@redhat.com>
2068
2069         * opt-functions.awk (var_type): New function.
2070         (var_set): Use CLVC_STRING if var_type returns "const char *".
2071         * opth-gen.awk: Use var_type to find out the types of variables.
2072         Don't print comments above each "extern" definition.
2073         * optc-gen.awk: Use var_type in the same way.
2074         * opts.h (cl_var_cond): Rename to...
2075         (cl_var_type): ...this.  Add CLVC_STRING.
2076         (cl_option): Make "flag_var" a "void *" pointer.  Replace "var_cond"
2077         with "var_type".
2078         * opts.c (handle_option, option_enabled): Update after above name
2079         change.  Cast flag_var before using it.  Handle CLVC_STRING.
2080         
2081         * config/alpha/alpha.h (alpha_tls_size): Delete.
2082         * config/alpha/alpha.c (alpha_tls_size, alpha_cpu_string)
2083         (alpha_tune_string, alpha_tp_string, alpha_fprm_string)
2084         (alpha_fptm_string, alpha_mlat_string): Delete.
2085         (alpha_handle_option): Don't set the above variables here.  Use the
2086         integer argument to check the validity of -mtls-size=.
2087         * config/alpha/alpha.opt (mcpu=, mtune=, mfp-rounding-mode=)
2088         (mfp-trap-mode=, mtrap-precision=, mmemory-latency=): Add Var()s.
2089         (mtls-size=): Likewise.  Convert to a UInteger and initialize the
2090         variable to 32.
2091
2092         * config/arc/arc.c (arc_cpu_string, arc_text_string)
2093         (arc_data_string, arc_rodata_string): Delete.
2094         (arc_handle_option): Don't set the above variables here.
2095         * config/arc/arc.opt (mcpu=, mtext=, mdata=, mrodata=): Add Var()s
2096         and initialize them.
2097
2098         * config/arm/arm.c (target_fpu_name, target_fpe_name)
2099         (target_float_abi_name, target_abi_name, structure_size_string)
2100         (arm_pic_register_string): Delete.
2101         (arm_handle_option): Don't set the above variables here, except
2102         in the handling of -mhard-float and -msoft-float.
2103         * config/arm/arm.opt (mabi=, mfloat-abi=, mfp=, mfpe=, mfpu=)
2104         (mpic-register=, mstructure-size-boundary=): Add Var()s.
2105
2106         * config/avr/avr.c (avr_init_stack, avr_mcu_name, TARGET_HANDLE_OPTION)
2107         (avr_handle_option): Delete.
2108         * config/avr/avr.opt (mmcu=, minit-stack=): Add Var()s and initialize
2109         them.
2110
2111         * config/bfin/bfin.c (bfin_library_id): Delete.
2112         (bfin_handle_option): Don't set it.
2113         * config/bfin/bfin.opt (mshared-library-id=): Add Var().
2114
2115         * config/c4x/c4x.h (c4x_rpts_cycles): Delete.
2116         * config/c4x/c4x.c (c4x_rpts_cycles): Delete.
2117         (c4x_handle_option): Don't set c4x_rpts_cycles here.
2118         * config/c4x/c4x.opt (mrpts=): Add Var().
2119
2120         * config/cris/aout.h (CRIS_SUBTARGET_HANDLE_OPTION): Don't set
2121         cris_elinux_stacksize_str here.
2122         * config/cris/aout.opt (melinux-stacksize=): Add Var().
2123         * config/cris/cris.h (cris_max_stackframe_str, cris_cpu_str)
2124         (cris_tune_str, cris_elinux_stacksize_str): Delete.
2125         * config/cris/cris.c (cris_max_stackframe_str, cris_cpu_str)
2126         (cris_tune_str, cris_elinux_stacksize_str): Delete.
2127         (cris_handle_option): Don't set the above variables here.
2128         * config/cris/cris.opt (mcpu=, march=, mtune=, mmax-stackframe=)
2129         (max-stackframe=): Add Var()s.
2130
2131         * config/i386/i386.h (ix86_tune_string, ix86_arch_string): Delete.
2132         * config/i386/i386.c (ix86_cmodel_string, ix86_asm_string)
2133         (ix86_tls_dialect_string, ix86_tune_string, ix86_arch_string)
2134         (ix86_fpmath_string, ix86_regparm_string, ix86_align_loops_string)
2135         (ix86_align_jumps_string, ix86_preferred_stack_boundary_string)
2136         (ix86_branch_cost_string, ix86_align_funcs_string): Delete.
2137         (ix86_handle_option): Don't set the above variables here.
2138         * config/i386/i386.opt (malign-functions=, malign-jumps=)
2139         (malign-loops=, march=, masm=, mbranch-cost=, mcmodel=, mfpmath=)
2140         (mpreferred-stack-boundary=, mregparm=, mtls-dialect=, mtune=): Add
2141         Var()s.
2142
2143         * config/ia64/ia64.h (ia64_tls_size): Delete.
2144         * config/ia64/ia64.c (ia64_tls_size): Delete.
2145         (ia64_handle_option): Treat -mtls-size= as a UInteger option,
2146         reading the integer argument from the "value" parameter.  Don't
2147         set ia64_tls_size here.
2148         * config/ia64/ia64.opt (mtls-size=): Turn into a UInteger option.
2149         Add Var() and Init().
2150
2151         * config/m32r/m32r.h (m32r_cache_flush_func): Delete.
2152         (m32r_cache_flush_trap): Delete.
2153         * config/m32r/m32r.c (m32r_cache_flush_func): Delete.
2154         (m32r_cache_flush_trap): Delete.
2155         (m32r_handle_option): Don't set the above variables when handling
2156         -mflush-func= and -mflush-trap=.
2157         * config/m32r/m32r.opt (-mflush-func=, -mflush-trap=): Add Var()s
2158         and Init()s.
2159
2160         * config/mips/mips.h (mips_cache_flush_func): Delete.
2161         * config/mips/mips.c (mips_arch_string, mips_tune_string)
2162         (mips_cache_flush_func): Delete.
2163         (mips_handle_option): Don't set the above variables when handling
2164         -march=, -mtune= and -mflush-func=.
2165         * config/mips/mips.opt (march=, mflush-func=, mtune=): Add Var()s.
2166
2167         * config/s390/s390.c (s390_arch_string): Delete.
2168         (s390_handle_option): Don't set it here.
2169         * config/s390/s390.opt (march=): Add Var().
2170
2171         * config/sparc/sparc.h (sparc_cmodel_string): Delete.
2172         * config/sparc/sparc.c (sparc_cmodel_string): Delete.
2173         (sparc_handle_option): Don't set it here.
2174         * config/sparc/sparc.opt (mcmodel=): Add Var().
2175
2176 2005-05-25  Roger Sayle  <roger@eyesopen.com>
2177
2178         * convert.c (convert_to_integer) <POINTER_TYPE>: Avoid recursive
2179         call to convert_to_integer by building the NOP_EXPR directly.
2180
2181 2005-05-25  Richard Sandiford  <rsandifo@redhat.com>
2182
2183         * config/rs6000/rs6000.opt (mprioritize-restricted-insns=): Fix typo.
2184
2185 2005-05-25  Daniel Berlin  <dberlin@dberlin.org>
2186             Jeff Law  <law@redhat.com>
2187
2188         * tree-cfg.c (verify_expr, case ADDR_EXPR): Verify invariant,
2189         constant and side_effects of the ADDR_EXPR are consistent.
2190
2191         * tree-nested.c (convert_local_reference): Set CURRENT_FUNCTION_DECL
2192         appropriately around calls to recompute_tree_invarant_for_addr_expr.
2193
2194 2005-05-25  Ulrich Weigand  <uweigand@de.ibm.com>
2195
2196         * config/s390/s390.c (GP_ARG_NUM_REG, FP_ARG_NUM_REG): New defines.
2197         (s390_function_arg, s390_gimplify_va_arg): Use them.
2198         (s390_register_info): Save only required subset of argument
2199         registers into save area for va_list.
2200         (s390_va_start): Initialize only required elements of va_list struct.
2201         (s390_build_builtin_va_list): Set va_list_[gf]pr_counter_field.
2202
2203 2005-05-25  Ulrich Weigand  <uweigand@de.ibm.com>
2204
2205         * reload1.c (verify_initial_elim_offsets): Return boolean status
2206         instead of aborting.
2207         (reload): Adapt verify_initial_elim_offsets call site.  Restart
2208         main loop if some initial elimination offsets changed.
2209
2210 2005-05-25  Adam Nemet  <anemet@lnxw.com>
2211
2212         * config/rs6000/lynx.h (CC1_SPEC): Use -maix-struct-return instead
2213         of -mno-svr4-struct-return.
2214
2215 2005-05-25  Daniel Berlin  <dberlin@dberlin.org>
2216
2217         Fix PR tree-optimization/21705
2218         
2219         * tree-ssa-pre.c (in_fre): New static variable.
2220         (create_value_expr_from): Recursively value number reference ops
2221         in argument lists.
2222         (can_value_number_call): Temporary restrict only exists for
2223         PRE, not FRE.
2224
2225 2005-05-25  Kazu Hirata  <kazu@cs.umass.edu>
2226
2227         * tree-into-ssa.c (rewrite_into_ssa, update_ssa): Replace
2228         sizeof (bitmap *) with sizeof (bitmap).
2229
2230 2005-05-25  Daniel Berlin <dberlin@dberlin.org>
2231
2232         * lambda-code.c (perfect_nestify): Call update_stmt on the exit
2233         condition.
2234
2235 2005-05-25  Adrian Straetling  <straetling@de.ibm.com>
2236
2237         * config/s390/s390.c (TARGET_INSN_VALID_WITHIN_DOLOOP): Set to
2238         hook_bool_rtx_true.
2239
2240 2005-05-25  Jan Hubicka  <jh@suse.cz>
2241
2242         * Makefile.in (ipa-inline.o): Add COEVERAGE_H dependency.
2243         * cgraph.c (cgraph_create_node): Reset estimated_growth.
2244         * cgraph.h (cgraph_global_info): Add estimated_growth.
2245         * ipa-inline.c: Include coverage.h
2246         (max_insns, max_count): New static variables.
2247         (cgraph_estimate_size_after_inlining): Cache the result.
2248         (cgraph_estimate_growth):
2249         * passes.c (rest_of_clean_state): Kill coverage_end_function.
2250         * timevar.def (TV_INLINE_HEURISTICS): New timevar.
2251         * tree-optimize.c (init_tree_optimization_passes): Move profiling before
2252         inlining.
2253         (ipa_passes): Initialize bitmaps.
2254
2255 2005-05-25  Adrian Straetling  <straetling@de.ibm.com>
2256
2257         * loop-doloop.c: Include "target.h". 
2258           (doloop_valid_p): Move tests to function in targhooks.c.
2259         * target.h (struct gcc_target): New target hook
2260           "insn_valid_within_doloop".
2261         * target-def.h: Define default value for "insn_valid_within_doloop".
2262           (TARGET_INITIALIZER): Insert new target hook into initializer.
2263         * targhooks.c (default_insn_valid_within_doloop): New function.
2264         * targhooks.h (default_insn_valid_within_doloop): Declare.
2265         * hooks.c (hook_bool_rtx_true): New function.
2266         * hooks.h (hook_bool_rtx_true): Declare.
2267         * doc/tm.texi: Add documentation for new target hook.
2268
2269 2005-05-25  Eric Botcazou  <ebotcazou@libertysurf.fr>
2270
2271         PR target/21412
2272         * config/sparc/sparc.h (SPARC_SYMBOL_REF_TLS_P): New macro
2273         * config/sparc/sparc-protos.h (tls_symbolic_operand): Delete.
2274         (sparc_tls_referenced_p): New prototype.
2275         * config/sparc/sparc.c (tls_symbolic_operand): Delete.
2276         (sparc_expand_move): Look for TLS addresses with constant offsets.
2277         (legitimate_constant_p): Use SPARC_SYMBOL_REF_TLS_P instead of
2278         tls_symbolic_operand.
2279         (legitimate_pic_operand_p): Likewise.
2280         (legitimate_address_p): Likewise.
2281         (legitimize_address): Likewise.
2282         (sparc_tls_symbol_ref_1): New function.
2283         (sparc_tls_referenced_p): New function.
2284         * config/sparc/predicates.md (tgd_symbolic_operand): Use
2285         SYMBOL_REF_TLS_MODEL instead of tls_symbolic_operand.
2286         (tld_symbolic_operand): Likewise.
2287         (tie_symbolic_operand): Likewise.
2288         (tle_symbolic_operand): Likewise.
2289
2290 2005-05-24  DJ Delorie  <dj@redhat.com>
2291         
2292         * common.opt (-Wattributes): New.  Default true.
2293         * doc/invoke.texi (-Wno-attributes): Document.
2294         
2295         * attribs.c (decl_attributes): Move warning control from if() to
2296         warning(OPT_*).
2297         * c-common.c (handle_packed_attribute): Likewise.
2298         (handle_nocommon_attribute): Likewise.
2299         (handle_common_attribute): Likewise.
2300         (handle_noreturn_attribute): Likewise.
2301         (handle_noinline_attribute): Likewise.
2302         (handle_always_inline_attribute): Likewise.
2303         (handle_used_attribute): Likewise.
2304         (handle_unused_attribute): Likewise.
2305         (handle_const_attribute): Likewise.
2306         (handle_transparent_union_attribute): Likewise.
2307         (handle_constructor_attribute): Likewise.
2308         (handle_destructor_attribute): Likewise.
2309         (handle_mode_attribute): Likewise.
2310         (handle_alias_attribute): Likewise.
2311         (handle_visibility_attribute): Likewise.
2312         (handle_tls_model_attribute): Likewise.
2313         (handle_malloc_attribute): Likewise.
2314         (handle_returns_twice_attribute): Likewise.
2315         (handle_pure_attribute): Likewise.
2316         (handle_deprecated_attribute): Likewise.
2317         (handle_vector_size_attribute): Likewise.
2318         (handle_nothrow_attribute): Likewise.
2319         (handle_cleanup_attribute): Likewise.
2320         (handle_warn_unused_result_attribute): Likewise.
2321         (handle_sentinel_attribute): Likewise.
2322         * c-decl.c (diagnose_mismatched_decls): Likewise.
2323         (start_decl): Likewise.
2324         (grokdeclarator): Likewise.
2325         (start_function): Likewise.
2326         * c-format.c (check_function_format): Likewise.
2327         * stor-layout.c (place_field): Likewise.
2328         (finalize_record_size): Likewise.
2329         * tree.c (handle_dll_attribute)): Likewise.
2330         * varasm.c (default_assemble_visibility): Likewise.
2331         * config/darwin.c (darwin_handle_weak_import_attribute): Likewise.
2332         (darwin_assemble_visibility): Likewise.
2333         * config/arc/arc.c (arc_handle_interrupt_attribute): Likewise.
2334         * config/arm/arm.c (arm_handle_fndecl_attribute): Likewise.
2335         (arm_handle_isr_attribute): Likewise.
2336         * config/avr/avr.c (avr_handle_progmem_attribute): Likewise.
2337         (avr_handle_fndecl_attribute): Likewise.
2338         * config/bfin/bfin.c (handle_int_attribute): Likewise.
2339         * config/c4x/c4x.c (c4x_handle_fntype_attribute): Likewise.
2340         * config/h8300/h8300.c (h8300_handle_fndecl_attribute): Likewise.
2341         (h8300_handle_eightbit_data_attribute): Likewise.
2342         (h8300_handle_tiny_data_attribute): Likewise.
2343         * config/i386/i386.c (ix86_handle_cdecl_attribute): Likewise.
2344         (ix86_handle_regparm_attribute): Likewise.
2345         (ix86_handle_struct_attribute): Likewise.
2346         * config/i386/winnt.c (ix86_handle_shared_attribute): Likewise.
2347         (i386_pe_encode_section_info): Likewise.
2348         * config/ia64/ia64.c (ia64_handle_model_attribute): Likewise.
2349         * config/ip2k/ip2k.c (ip2k_handle_progmem_attribute): Likewise.
2350         (ip2k_handle_fndecl_attribute): Likewise.
2351         * config/m32r/m32r.c (m32r_handle_model_attribute): Likewise.
2352         * config/m68hc11/m68hc11 (m68hc11_handle_page0_attribute): Likewise.
2353         (m68hc11_handle_fntype_attribute): Likewise.
2354         (m68hc11_encode_section_info): Likewise.
2355         * config/m68k/m68k.c (m68k_handle_fndecl_attribute): Likewise.
2356         * config/mcore/mcore.c (mcore_handle_naked_attribute): Likewise.
2357         * config/ns32k/ns32k.c (ns32k_handle_fntype_attribute): Likewise.
2358         * config/rs6000/rs6000.c (rs6000_handle_longcall_attribute): Likewise.
2359         * config/sh/sh.c (sh_handle_interrupt_handler_attribute): Likewise.
2360         (sh_handle_sp_switch_attribute): Likewise.
2361         (sh_handle_trap_exit_attribute): Likewise.
2362         * config/sh/symbian.c (sh_symbian_dllimport_p): Likewise.
2363         (sh_symbian_handle_dll_attribute): Likewise.
2364         * config/stormy16/stormy16.c (xstormy16_handle_interrupt_attribute): Likewise.
2365         (xstormy16_handle_below100_attribute): Likewise.
2366         * config/v850/v850.c (v850_handle_interrupt_attribute): Likewise.
2367
2368         * c-common.c (unsigned_conversion_warning): Move warning control
2369         from if() to warning(OPT_*).
2370         (c_common_truthvalue_conversion): Likewise.
2371         (c_do_switch_warnings): Likewise.
2372         * c-decl.c (diagnose_mismatched_decls): Likewise.
2373         (diagnose_mismatched_decls): Likewise.
2374         (define_label): Likewise.
2375         (grokdeclarator): Likewise.
2376         * c-format.c (check_format_info): Likewise.
2377         * c-lex.c (interpret_integer): Likwise.
2378         (lex_string): Likewise.
2379         * c-opts.c (c_common_post_options): Likewise.
2380         * c-parser.c (c_parser_unary_expression): Likewise.
2381         * c-pragma.c (handle_pragma_redefine_extname): Likewise.
2382         (handle_pragma_extern_prefix): Likewise.
2383         * c-typeck.c (build_binary_op): Likewise.
2384         * gcse.c (is_too_expensive): Likewise.
2385         * opts.c (decode_options): Likewise.
2386         * stor-layout.c (place_field): Likewise.
2387         * tree-cfg.c (remove_bb): Likewise.
2388
2389         * c.opt (-Wreturn-type): Add Var(warn_return_type).
2390         * flags.h (warn_return_type): Remove.
2391         * toplev.c (warn_return_type): Likewise.
2392
2393 2005-05-24  Kelley Cook  <kcook@gcc.gnu.org>
2394
2395         * configure.ac: Don't use gcc_AC_C_LONG_LONG.  Check for
2396         existence of long long and __int64 before determining their size.
2397         * aclocal.m4: Delete gcc_AC_C_LONG_LONG.
2398         * configure, config.h.in:  Regenerate.
2399
2400 2005-05-24  Kelley Cook  <kcook@gcc.gnu.org>
2401
2402         * configure: Regenerate.
2403
2404 2005-05-24  Ziemowit Laski  <zlaski@apple.com>
2405
2406         * c-common.h (objc_comptypes): Remove prototype.
2407         (objc_compare_types): New prototype.
2408         (objc_volatilized_decl): Likewise.
2409         (objc_type_quals_match): Likewise.
2410         * c-decl.c (objc_mark_locals_volatile): Streamline by calling
2411         objc_volatilize_decl().
2412         * c-typeck.c (comp_target_types): Remove third parameter; do
2413         not call objc_comptypes().
2414         (comptypes): Remove calls to objc_comptypes().
2415         (build_function_call): Extend compatible prototype check to ObjC.
2416         (build_conditional_expr): Adjust call to comp_target_types().
2417         (convert_for_assignment): Call objc_compare_types() instead of
2418         objc_comptypes(); adjust calls to comp_target_types(); call
2419         objc_type_quals_match() before issuing qualifier mismatch
2420         warnings.
2421         (build_binary_op): Call objc_compare_types() before issuing
2422         pointer mismatch warnings; adjust calls to
2423         comp_target_types().
2424         * stub-objc.c (objc_comptypes): Remove stub.
2425         (objc_compare_types): New stub.
2426         (objc_volatilized_decl): Likewise.
2427         (objc_type_quals_match): Likewise.
2428
2429 2005-05-24  Paolo Carlini  <pcarlini@suse.de>
2430
2431         * config/ia64/ia64intrin.h: Define nothing for C++:
2432         overloaded builtins have been ported to C++.
2433
2434 2005-05-24  Jeff Law  <law@redhat.com>
2435
2436         * tree-nested.c (build_addr): New "context" argument.  Temporarily
2437         set current_function_decl around the call to build the ADDR_EXPR.
2438         (get_static_chain): Pass proper context to build_addr.
2439         (convert_nl_goto_reference): Likewise.
2440         (convert_tramp_reference): Likewise.
2441         (final_nesting_tree_1): Likewise.
2442         * tree-profile.c (tree_gen_interval_profiler): Likewise.
2443         (tree_gen_pow2_profiler): Likewise.
2444         (tree_gen_one_value_profiler): Likewise.
2445         * tree-ssa-loop-ivopts.c (build_addr_strip_iref): Likewise.
2446         * tree.h (build_addr): Update prototype.
2447
2448 2005-05-24  Kazu Hirata  <kazu@cs.umass.edu>
2449
2450         * tree-flow.h (bb_ann_d): Remove has_escape_site.
2451         * tree-ssa-alias.c (compute_points_to_addr_escape): Don't
2452         write to has_escape_site.
2453
2454 2005-05-24  Jeff Law  <law@redhat.com>
2455
2456         * Makefile.in (tree-cfg.o): Depend on tree-ssa-propagate.h.
2457         * tree-cfg.c: Include tree-ssa-propagate.h.
2458         (replace_uses_by): Call recompute_tree_invarant_for_addr_expr as
2459         needed.
2460
2461 2005-05-24  Nick Clifton  <nickc@redhat.com>
2462
2463         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
2464         __NO_FPRS__ when 'f' class registers will not be available. 
2465
2466 2005-05-24  Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
2467
2468         * config/m32r/m32r.c (m32r_expand_block_move):  Return 0 if
2469         nothing was done.
2470         * config/m32r/m32r.md (movmemsi):  If m32r_expand_block_move did
2471         nothing then FAIL.
2472         * config/m32r/m32r/m32r-protos.h  (m32r_expand_block_move): Update
2473         prototype.
2474
2475 2005-05-23  Jeff Law  <law@redhat.com>
2476
2477         * tree-ssa-dom.c (cprop_into_stmt): Do not call
2478         recompute_tree_invariant_for_addr_expr here.
2479         (optimize_stmt): Call it here instead and do so if anything
2480         at all has changed in the statement and the RHS is an ADDR_EXPR.
2481         * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr): If
2482         needed, call recompute_tree_invariant_for_addr_expr.
2483         * tree-ssa-propagate.c (substitute_and_fold): Call
2484         recompute_tree_invariant_for_addr_expr as needed.
2485
2486 2005-05-23  Andreas Krebbel  <krebbel1@de.ibm.com>
2487
2488         * config/s390/s390.c (s390_optimize_prologue): Don't replace an insn
2489         saving less registers than the replacement.
2490
2491 2005-05-23  Jan Hubicka  <jh@suse.cz>
2492
2493         * tree-flow.h (stmt_ann_d): Kill GTY ((skip)) mark on BB.
2494
2495 2005-05-23  Eric Botcazou  <ebotcazou@libertysurf.fr>
2496
2497         * config/sparc/sparc-protos.h (sparc_expand_move): New prototype.
2498         * config/sparc/sparc.c (sparc_expand_move): New function.
2499         (sparc_emit_set_const64): Rewrite assert condition on entry.
2500         (legitimate_constant_p) <CONST_VECTOR>: New case.
2501         (legitimize_pic_address): Use TARGET_ARCH64 to select the mode.
2502         * config/sparc/sparc.md (movqi, movhi, movsi, movdi, movV32,
2503         movV64, movtf): Use nonimmediate_operand for the first operand.
2504         Rewrite.  Only invoke sparc_expand_move.
2505         * config/sparc/predicates.md (input_operand): Reorder tests.
2506
2507 2005-05-23  Jan Beulich  <jbeulich@novell.com>
2508
2509         * gthr-posix.h (__gthread_recursive_mutex_init_function): Add
2510         missing return statement.
2511
2512 2005-05-22  Eric Botcazou  <ebotcazou@libertysurf.fr>
2513
2514         * config/sparc/sparc.c (sparc_emit_float_lib_cmp): Use
2515         emit_move_insn for moves to TFmode stack slots.
2516
2517 2005-05-21  Richard Guenther  <rguenth@gcc.gnu.org>
2518
2519         * tree-stdarg.c (execute_optimize_stdarg): Handle references
2520         to va_list of the form &va[0].
2521
2522 2005-05-20  Jan Hubicka  <jh@suse.cz>
2523
2524         * Makefile.in (insn-emit.o): Add basic-block.h dependency.
2525         * genemit.c (main): Make insn-emit to include basic-block.h too.
2526
2527 2005-05-20  Jan Hubicka  <jh@suse.cz>
2528
2529         * cgraphunit.c (cgraph_expand_function): Force function being lowered.
2530
2531 2005-05-19  Richard Henderson  <rth@redhat.com>
2532
2533         * config/alpha/alpha.c (emit_unlikely_jump, emit_load_locked,
2534         emit_store_conditional): Split out from ...
2535         (alpha_split_atomic_op): ... here.
2536         (alpha_split_compare_and_swap): New; extract from .md file.
2537         (alpha_split_lock_test_and_set): Likewise.
2538         * config/alpha/alpha-protos.h: Update.
2539         * config/alpha/sync.md (sync_compare_and_swap<I48MODE>): Move
2540         split code into alpha.c.
2541         (sync_lock_test_and_set<I48MODE>): Likewise.
2542
2543 2005-05-19  Richard Henderson  <rth@redhat.com>
2544
2545         * unwind.h, unwind-pe.h: Revert gcc_unreachable change of 05-17.
2546
2547 2005-05-19  Richard Henderson  <rth@redhat.com>
2548
2549         * config/i386/sse.md (mulv4si3): Use all register inputs.
2550         (mulv2di3): Likewise.
2551
2552 2005-05-19  Richard Guenther  <rguenth@gcc.gnu.org>
2553
2554         * tree-ssa-loop-ivopts.c (determine_base_object): Use
2555         build_fold_addr_expr to generate trees of correct type.
2556         Use fold_buildN if possible.
2557
2558 2005-05-19  Jan Hubicka  <jh@suse.cz>
2559
2560         * basic-block.h (REG_BR_PROB_BASE): Define.
2561         * cgraph.c (cgraph_create_edge): Initialize loop_nest and count.
2562         (dump_cgraph_node): Dump count.
2563         (cgraph_clone_edge): Rescale counts.
2564         (cgraph_clone_node): Likewise.
2565         * cgraph.h: Include basic-block.h
2566         (cgraph_node): Add count.
2567         (cgraph_edge): Add count and loop_nest.
2568         (cgraph_node, cgraph_edge, cgraph_clone_edge, cgraph_clone_node):
2569         Update prototypes.
2570         * cgraphunit.c: Kill now redundant inlining comment.
2571         (cgraph_create_edges): Make static, maintain current basic block;
2572         fix pasto.
2573         (record_call_1): Fill in new fields.
2574         * ipa-inline.c (cgraph_clone_inlined_nodes): Update call of
2575         cgraph_clone_node.
2576         (cgraph_decide_recursive_inlining): Likewise.
2577         * rtl.h (REG_BR_PROB_BASE): Kill.
2578         * tree-inline.c (copy_body_r): Update call of cgraph_clone_edge.
2579         (expand_call_inline): Update call of cgraph_create_edge.
2580         * tree-optimize.c (tree_rest_of_compilation): Likewise.
2581
2582 2005-05-19  Nick Clifton  <nickc@redhat.com>
2583
2584         * config/rs6000/eabispe.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Use the
2585         new rs6000_explicit_options structure.
2586
2587 2005-05-19  Richard Henderson  <rth@redhat.com>
2588
2589         PR target/21390
2590         * config/alpha/alpha.c (alpha_emit_conditional_branch): Move 
2591         TFmode code swapping ...
2592         (alpha_emit_xfloating_compare): ... here.
2593         (alpha_emit_setcc): Update to match.
2594         (alpha_lookup_xfloating_lib_func): Assert TARGET_HAS_XFLOATING_LIBS.
2595
2596 2005-05-19  Richard Henderson  <rth@redhat.com>
2597
2598         PR target/21657
2599         * config/ia64/ia64.c (ia64_expand_tls_address): Remove extra
2600         memory indirection in local-dynamic case.
2601
2602 2005-05-18  Jie Zhang  <jie.zhang@analog.com>
2603             Bernd Schmidt  <bernd.schmidt@analog.com>
2604
2605         * config/bfin/bfin.c (branch_dest): Add comment why it's
2606         necessary.
2607         * config/bfin/bfin.md (attr "length" default): Change the offset of
2608         forward conditional branch of length 4 from 4096 to 4092.
2609
2610 2005-05-19  Jan Beulich  <jbeulich@novell.com>
2611
2612         * unwind-compat.c: Include tconfig.h and tsystem.h.
2613         * unwind-dw2-fde-compat.c: Likewise.
2614
2615 2005-05-18  Richard Henderson  <rth@redhat.com>
2616
2617         PR 21541
2618         * ifcvt.c (noce_process_if_block): Avoid conversion when the
2619         memory destination is readonly.
2620
2621 2005-05-18  Richard Henderson  <rth@redhat.com>
2622
2623         PR 21541
2624         * tree-ssa-operands.c (opf_non_specific): New.
2625         (get_asm_expr_operands): Set it.
2626         (add_call_clobber_ops, add_call_read_ops): Likewise.
2627         (add_stmt_operand): Test it instead of opf_kill_def when
2628         considering unmodifiable variables.
2629
2630         * tree-ssa-operands.c (get_expr_operands): Fix exact test.
2631
2632 2005-05-19  Kazu Hirata  <kazu@cs.umass.edu>
2633
2634         * cfgexpand.c, tree-cfg.c, tree-inline.c, tree-optimize.c,
2635         tree-ssa-forwprop.c: Fix comment typos.
2636         * doc/invoke.texi: Fix a typo.
2637
2638 2005-05-18  Richard Henderson  <rth@redhat.com>
2639
2640         * config.gcc (powerpc-*-linux*): Include linux64.opt when
2641         including linux64.h.
2642
2643 2005-05-18  Richard Henderson  <rth@redhat.com>
2644
2645         * tree-cfg.c (pass_remove_useless): Revert last change.
2646         * tree-optimize.c (init_tree_optimization_passes): Initialize
2647         all_lowering_passes with PROP_gimple_any.
2648
2649 2005-05-18  Devang Patel  <dpatel@apple.com>
2650
2651         * config/rs6000/rs6000.md (insvsi_internal1): Subtract shift from
2652         the mask end.
2653         
2654 2005-05-18  Richard Henderson  <rth@redhat.com>
2655
2656         * tree-ssa-forwprop.c (cfg_changed): New.
2657         (tidy_after_forward_propagate_addr): New.
2658         (forward_propagate_addr_expr): Use it, and fold_stmt_inplace.
2659         (forward_propagate_addr_into_variable_array_index): Likewise.
2660         (tree_ssa_forward_propagate_single_use_vars): Cleanup cfg if
2661         edges were removed.
2662
2663 2005-05-18  Geoffrey Keating  <geoffk@apple.com>
2664
2665         * dummy-checksum.c: New.
2666         * genchecksum.c: New.
2667         * c.opt (print_pch_checksum): New flag.
2668         * c-pch.c (struct c_pch_validity): Make much shorter.
2669         (no_checksum): New.
2670         (host_machine): Remove.
2671         (target_machine): Remove.
2672         (get_ident): Change PCH version number.
2673         (pch_init): When -fverbose-asm, print out the compiler fingerprint.
2674         Don't put triplets or version string in PCH validity data.
2675         Do put the compiler checksum in the validity data.
2676         (c_common_valid_pch): Don't check triplets or version string.  Do
2677         check checksum.
2678         (c_common_print_pch_checksum): New.
2679         * c-opts.c (c_common_handle_option): Add OPT_print_pch_checksum.
2680         Print fingerprint with -v.
2681         * c-common.h (c_common_print_pch_checksum): New.
2682         (executable_checksum): New.
2683         * Makefile.in (STAGEMOVESTUFF): Add cc1*-dummy, *-checksum.c.
2684         (cc1-dummy): New rule.
2685         (cc1-checksum.c): New rule.
2686         (cc1-checksum.o): New rule.
2687         (cc1): Add checksum support.
2688         (build/genchecksum): New.
2689         (build/genchecksum.o): New.
2690         (dummy-checksum.o): New.
2691         (genobjnames): Add genchecksum.o.
2692         (mostlyclean): Remove *-checksum.c.
2693         (gnucompare): Add libgcc to list of directories checked.
2694         Make comparison problems in libgcc/ and with checksum files only
2695         be warnings.
2696         * doc/invoke.texi (Precompiled Headers): Remove caution.
2697         Document that it must be the exact same binary.  Add a few
2698         known-safe flags to the list.
2699
2700         * rs6000/predicates.md (fix_trunc_dest_operand): New.
2701         * rs6000/rs6000.md (fix_truncdfsi2): Use fix_trunc_dest_operand.
2702         Check that a memory operand is valid before trying to use it.
2703         
2704         * tree-cfg.c (pass_remove_useless): This pass works on trees.
2705
2706 2005-05-18  Richard Guenther  <rguenth@gcc.gnu.org>
2707
2708         * tree.c (build1_stat): Don't try to handle two-operand
2709         tree codes.
2710
2711 2005-05-18  Richard Sandiford  <rsandifo@redhat.com>
2712
2713         * config.gcc (sh*-*-*): Define SUPPORT_* macros to 1.
2714         * config/sh/sh.h: Update mask names throughout.
2715         (target_flags, ISIZE_BIT, DALIGN_BIT, SH1_BIT, SH2_BIT, SH3_BIT)
2716         (SH_E_BIT, HARD_SH4_BIT, FPU_SINGLE_BIT, SH4_BIT, SH4A_BIT, FMOVD_BIT)
2717         (SH5_BIT, SPACE_BIT, BIGTABLE_BIT, RELAX_BIT, USERMODE_BIT)
2718         (HITACHI_BIT, NOMACSAVE_BIT, PREFERGOT_BIT, PADSTRUCT_BIT)
2719         (LITTLE_ENDIAN_BIT, IEEE_BIT, SAVE_ALL_TR_BIT, HARD_SH2A_BIT)
2720         (HARD_SH2A_DOUBLE_BIT, INDEXED_ADDRESS_BIT, PT_FIXED_BIT)
2721         (INVALID_SYMBOLS_BIT, ADJUST_UNROLL_BIT, TARGET_DUMPISIZE)
2722         (TARGET_ALIGN_DOUBLE, TARGET_SH1, TARGET_SH2, TARGET_SH3)
2723         (TARGET_HARD_SH4, TARGET_FPU_SINGLE, TARGET_SH5, TARGET_FMOVD)
2724         (TARGET_IEEE, TARGET_SMALLCODE, TARGET_BIGTABLE, TARGET_RELAX)
2725         (TARGET_HITACHI, TARGET_NOMACSAVE, TARGET_PADSTRUCT)
2726         (TARGET_LITTLE_ENDIAN, TARGET_USERMODE, TARGET_PREFERGOT)
2727         (TARGET_SAVE_ALL_TARGET_REGS, TARGET_ALLOW_INDEXED_ADDRESS)
2728         (TARGET_PT_FIXED, TARGET_INVALID_SYMBOLS, TARGET_ADJUST_UNROLL)
2729         (TARGET_SWITCH_SH1, TARGET_SWITCH_SH2, TARGET_SWITCH_SH2E)
2730         (TARGET_SWITCH_SH2A, TARGET_SWITCH_SH2A_SINGLE_ONLY)
2731         (TARGET_SWITCH_SH2A_SINGLE, TARGET_SWITCH_SH2A_NOFPU)
2732         (TARGET_SWITCH_SH3, TARGET_SWITCH_SH3E, TARGET_SWITCH_SH4_SINGLE_ONLY)
2733         (TARGET_SWITCH_SH4_SINGLE, TARGET_SWITCH_SH4_NOFPU, TARGET_SWITCH_SH4)
2734         (TARGET_SWITCH_SH4A, TARGET_SWITCH_SH4A_SINGLE_ONLY)
2735         (TARGET_SWITCH_SH4A_SINGLE, TARGET_SWITCH_SH4A_NOFPU)
2736         (TARGET_SWITCH_SH4AL, TARGET_SWITCH_SH5_64MEDIA)
2737         (TARGET_SWITCH_SH5_64MEDIA_NOFPU, TARGET_SWITCHES_SH5_32MEDIA)
2738         (TARGET_SWITCHES_SH5_32MEDIA_NOFPU, TARGET_SWITCH_SH5_32_ANY_EXTRA)
2739         (TARGET_SWITCH_SH5_MEDIA_ANY_EXTRA, TARGET_SWITCHES)
2740         (SUBTARGET_SWITCHES): Delete.
2741         (TARGET_SH2E, TARGET_SH2A, TARGET_SH2A_SINGLE, TARGET_SH2A_DOUBLE)
2742         (TARGET_SH3E, TARGET_CACHE32, TARGET_SUPERSCALAR, TARGET_HARVARD)
2743         (TARGET_FPU_DOUBLE, TARGET_SH4A_ARCH, TARGET_SHMEDIA32)
2744         (TARGET_SHMEDIA64): Redefine using other TARGET_* macros.
2745         (TARGET_SH4): Undefine options.h definition and check MASK_SH1 as well.
2746         (SUPPORT_SH1, SUPPORT_SH2E, SUPPORT_SH4, SUPPORT_SH4_SINGLE)
2747         (SUPPORT_SH2A, SUPPORT_SH2A_SINGLE): Make numeric.
2748         (SUPPORT_SH2): Define to 1 if SUPPORT_SH1.
2749         (SUPPORT_SH3): Likewise SUPPORT_SH2.
2750         (SUPPORT_SH4_NOFPU): Likewise SUPPORT_SH3.
2751         (SUPPORT_SH4A_NOFPU, SUPPORT_SH4AL, SUPPORT_SH2A_NOFPU): Likewise
2752         SUPPORT_SH4_NOFPU.
2753         (SUPPORT_SH3E): Likewise SUPPORT_SH2E.
2754         (SUPPORT_SH4_SINGLE_ONLY, SUPPORT_SH4A_SINGLE_ONLY)
2755         (SUPPORT_SH2A_SINGLE_ONLY): Likewise SUPPORT_SH3E.
2756         (SUPPORT_SH4A): Likewise SUPPORT_SH4.
2757         (SUPPORT_SH4A_SINGLE): Likewise SUPPORT_SH4_SINGLE.
2758         (SUPPORT_SH5_32MEDIA): Likewise SUPPORT_SH5_COMPACT.
2759         (SUPPORT_SH5_32MEDIA_NOFPU): Likewise SUPPORT_SH5_COMPACT_NOFPU.
2760         (SUPPORT_ANY_SH5_32MEDIA, SUPPORT_ANY_SH5_64MEDIA)
2761         (SUPPORT_ANY_SH5): New macros.
2762         (TARGET_NONE): Replace with...
2763         (MASK_ARCH): ...this new macro.
2764         * config/sh/elf.h: Update mask names
2765         * config/sh/linux.h: Likewise.
2766         * config/sh/little.h: Likewise.
2767         * config/sh/netbsd-elf.h: Likewise.
2768         * config/sh/symbian-pre.h: Likewise.
2769         * config/sh/sh.c (sh_handle_option): New function.
2770         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
2771         (calc_live_regs): Use MASK_FPU_SINGLE instead of FPU_SINGLE_BIT.
2772         (sh_target_switches, target_switches): Delete.
2773         (sh_pch_valid_p): Check for specific differences in the target_flags
2774         settings.
2775         (sh_init_cumulative_args): Use MASK_HITACHI instead of HITACHI_BIT.
2776         * config/sh/sh.opt: New file.
2777
2778 2005-05-18  Richard Henderson  <rth@redhat.com>
2779
2780         PR target/21632
2781         * config/ia64/ia64.c (ia64_extra_constraint) <'T'>: Use
2782         small_addr_symbolic_operand.
2783
2784 2005-05-18  Jeff Law  <law@redhat.com>
2785
2786         * tree-ssa-forwprop.c (forward_propagate_addr_expr): Do not
2787         propagate an ADDR_EXPR if the definition and use sites are
2788         in different EH regions.
2789
2790 2005-05-18  Ian Lance Taylor  <ian@airs.com>
2791
2792         * read-rtl.c (mode_attr_index): Use obstack_grow0, not
2793         obstack_grow.
2794
2795 2005-05-18  Daniel Berlin  <dberlin@dberlin.org>
2796
2797         * cfgrtl.c (purge_dead_edges): Don't remove fake edges.
2798
2799 2005-05-18  Daniel Berlin  <dberlin@dberlin.org>
2800         
2801         Fix PR tree-optimization/21407
2802
2803         * tree-ssa-operands.c (note_addressable): Change
2804         COMPONENT_REF handling in response to aliasing
2805         discussion.
2806
2807 2005-05-18  Eric Botcazou  <ebotcazou@libertysurf.fr>
2808
2809         * config/sparc/sol2.h (TARGET_DEFAULT): Add back MASK_APP_REGS.
2810         * config/sparc/sol2-64.h (TARGET_DEFAULT): Likewise.
2811         * config/sparc/sp-elf.h (TARGET_DEFAULT): Delete.
2812         * doc/invoke.texi (SPARC options): Document that -mapp-regs is
2813         the default on Solaris too.
2814
2815 2005-05-17  Daniel Berlin  <dberlin@dberlin.org>
2816
2817         * tree-ssa-pre.c (find_or_generate_expression): CALL_EXPR
2818         is okay too.
2819
2820 2005-05-17  Zdenek Dvorak  <dvorakz@suse.cz>
2821
2822         * timevar.def (TV_SCEV_CONST): New timevar.
2823         * tree-optimize.c (init_tree_optimization_passes): Add
2824         pass_scev_cprop.
2825         * tree-pass.h (pass_scev_cprop): Declare.
2826         * tree-scalar-evolution.c (scev_const_prop): New function.
2827         * tree-scalar-evolution.h (scev_const_prop): Declare.
2828         * tree-ssa-loop.c (gate_scev_const_prop, pass_scev_cprop):
2829         New.
2830         * tree-cfg.c (replace_uses_by): Export.
2831         * tree-flow.h (replace_uses_by): Declare.
2832
2833 2005-05-17  Ziemowit Laski  <zlaski@apple.com>
2834             Mike Stump  <mrs@apple.com>
2835
2836         Yet more Objective-C++...
2837
2838         * c-common.h (objc_finish_try_stmt): Add.
2839         (objc_build_synchronized): Add.
2840         (objc_generate_write_barrier): Add.
2841         * stub-objc.c (objc_build_synchronized): Add return value.
2842         (objc_finish_try_stmt): Likewise.
2843         (objc_generate_write_barrier): Add.
2844
2845         * c-common.h (objc_rewrite_function_call): Add.
2846         * c-typeck.c (build_function_call): Allow objc to rewrite
2847         FUNCTION_DECLs.
2848         (build_modify_expr): Allow objc to generate write barriers.
2849         * c.opt (Wassign-intercept): Add.
2850         (Wstrict-selector-match): Add.
2851         (fobjc-call-cxx-cdtors): Add.
2852         (fobjc-direct-dispatch): Add.
2853         (fobjc-gc): Add.
2854         * dbxout.c (get_lang_number): Add Objective-C++ support.
2855         * doc/invoke.texi (-fobjc-call-cxx-cdtors): Likewise.
2856         (-Wstrict-selector-match): Likewise.
2857         (-fobjc-direct-dispatch): Likewise.
2858         (-Wassign-intercept): Likewise.
2859         (Overall Options): Likewise.
2860         * gengtype.c (get_output_file_with_visibility): Likewise.
2861         * stub-objc.c (objc_rewrite_function_call): Add.
2862         * config/darwin.h (ASM_OUTPUT_LABELREF): Improved quoting support.
2863
2864         * c-common.c (flag_objc_exceptions): Remove.
2865         (flag_objc_sjlj_exceptions): Remove.
2866         * c-decl.c (objc_mark_locals_volatile): Don't change decls
2867         that are already ok.
2868         * c-opts.c (c_common_handle_option, case
2869         OPT_fobjc_exceptions): Remove.
2870         (case OPT_fobjc_sjlj_exceptions): Remove
2871         * c.opt (fobjc-call-cxx-cdtors): Have opt create the flag.
2872         (fobjc-exceptions): Likewise.
2873         (fobjc-sjlj-exceptions): Likewise.
2874         * config/rs6000/darwin.h (OFFS_MSGSEND_FAST): Add.
2875         (OFFS_ASSIGNIVAR_FAST): Add.
2876         
2877 2005-05-17  Eric Botcazou  <ebotcazou@libertysurf.fr>
2878
2879         * config/sparc/sparc.md (movhi): Do not test constness
2880         of operand #1 twice.
2881         (movsi): Likewise.
2882         (movdi): Unconditionally accept zero as second operand
2883         when the first is memory.
2884         (movdi_insn_sp32): Handle above case.
2885         (DImode splitter): Use predicates.
2886         (DImode splitter): Use const_zero_operand predicate.
2887         (movsf_insn): Swap 2 alternatives.
2888
2889 2005-05-17  Zdenek Dvorak  <dvorakz@suse.cz>
2890
2891         * tree-ssa-loop-ivopts.c (find_bivs, find_givs_in_stmt_scev): Apply
2892         expand_simple_operations to bases of the ivs.
2893         (tree_int_cst_sign_bit): Export.
2894         * tree-flow.h (expand_simple_operations): Declare.
2895         * tree-ssa-loop-niter.c (number_of_iterations_cond): Use
2896         tree_int_cst_sign_bit.
2897         (expand_simple_operations): Export.
2898         * tree.h (tree_int_cst_sign_bit): Declare.
2899
2900 2005-05-17  Zdenek Dvorak  <dvorakz@suse.cz>
2901
2902         * tree-cfg.c (tree_can_merge_blocks_p): Allow phi nodes in the
2903         merged block.
2904         (replace_uses_by): New function.
2905         (tree_merge_blocks): Eliminate the phi nodes in the merged block.
2906         * tree-flow.h (fold_stmt_inplace): Declare.
2907         * tree-ssa-ccp.c (fold_stmt_inplace): New function.
2908         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Update dominance
2909         info after cfg cleanup.
2910
2911 2005-05-17  Zdenek Dvorak  <dvorakz@suse.cz>
2912
2913         * cfgloop.h (just_once_each_iteration_p): Declaration changed.
2914         * cfgloopanal.c (just_once_each_iteration_p): Make the loop argument
2915         const.
2916
2917 2005-05-17  Zdenek Dvorak  <dvorakz@suse.cz>
2918
2919         * ggc-page.c (ggc_alloc_stat): Record amount of memory allocated.
2920         * ggc-zone.c (ggc_alloc_zone_1): Ditto.
2921         * timevar.c (timevar_ggc_mem_total): New variable.
2922         (GGC_MEM_BOUND): New constant.
2923         (get_time): Record ggc memory status.
2924         (timevar_accumulate): Accumulate amount of ggc memory.
2925         (timevar_print): Print consumption of ggc memory.
2926         * timevar.def (TV_FIND_REFERENCED_VARS, TV_TREE_REDPHI,
2927         TV_TREE_LOOP_BOUNDS, TV_TREE_LOOP_IVCANON, TV_TREE_VECTORIZATION,
2928         TV_TREE_LINEAR_TRANSFORM): Shorten strings to fit in 22 characters.
2929         * timevar.h (struct timevar_time_def): Add ggc_mem field.
2930         (timevar_ggc_mem_total): Declare.
2931
2932 2005-05-17  Kazu Hirata  <kazu@cs.umass.edu>
2933
2934         * tree-into-ssa.c (update_ssa): Clean up by shortening the
2935         live range of DFS.
2936
2937 2005-05-17  Hans-Peter Nilsson  <hp@axis.com>
2938
2939         * config/cris/cris.md (ncond, ocode, rcond): Remove separate
2940         define_code_attr.
2941         ("b<ncond:code>", "b<ocond:code>", "b<rcond:code>")
2942         ("*b<ncond:code>_reversed", "*b<ocond:code>_reversed")
2943         ("*b<rcond:code>_reversed", "s<ncond:code>", "s<rcond:code>")
2944         ("s<ocond:code>"): Rename from respectively "b<ncond>",
2945         "b<ocond>", "b<rcond>", ("*b<ncond>_reversed",
2946         "*b<ocond>_reversed", "*b<rcond>_reversed", "s<ncond>",
2947         "s<rcond>" and "s<ocond>".
2948         ("b<ocond:code>", "*b<ocond:code>_reversed")
2949         ("*b<rcond:code>_reversed"): Remove extraneous backslashes in
2950         output statement section.
2951
2952 2005-05-17  Roger Sayle  <roger@eyesopen.com>
2953
2954         * c-typeck.c (common_type): Also handle BOOLEAN_TYPEs.
2955
2956 2005-05-17  Steven Bosscher  <stevenb@suse.de>
2957             Stuart Hastings <stuart@apple.com>
2958             Jan Hubicka  <jh@suse.cz>
2959             Dale Johannesen  <dalej@apple.com>
2960
2961         * cgraph.h (cgraph_node): Add 'lowered' state.
2962         (cgraph_lower_function): Declare.
2963         * cgraphunit.c (cgraph_finalize_function): Initialize lowered flag.
2964         (cgraph_lower_function): New function.
2965         (cgraph_create_edges): Deal with lowered function bodies.
2966         (verify_cgraph_node): Likewise.
2967         (cgraph_analyze_function): Do lowering job.
2968         (cgraph_build_static_cdtor): Likewise.
2969         * function.h (struct function): Add saved_eh and saved_cfg.
2970         * integrate.c (copy_decl_for_inlining): Kill LABEL_DECL_UID field.
2971         * tree-cfg.c (fold_cond_expr_cond): Export.
2972         * tree-flow.h (fold_cond_expr_cond): Declare.
2973         * tree-inline.c: Include basic-block, ggc, tree-flow, except.h and
2974         pointer-set.
2975         (struct_inline_data): Kill fnd, first_inlined_fn, ret_label,
2976         in_target_cleanup_p, tree_pruner, tsi; add callee, caller and
2977         callee_cfun, block, eh_region, eh_region_offset.
2978         (inlining_p): New predicate.
2979         (remap_decl): Update for new inline_data; declare newly created inline
2980         vars in low gimple way.
2981         (copy_body_r): Update for new datastructure, simplify some of handling
2982         when we are in gimple; remap LABEL_DECLs for EH; copy TREE_BLOCK;
2983         deal with RESX_EXPRs.
2984         (copy_bb): New.
2985         (copy_edges_for_bb): Likewise.
2986         (remap_decl_1): New.
2987         (copy_cfg_body): New.
2988         (copy_generic_body): Rewrite to work on low gimple.
2989         (copy_body): Turn into simple wrapper around copy_cfg_body.
2990         (setup_one_parameter): Insert new statements into given basic block.
2991         (initialize_initialized_parameters): Likewise, reorganize way things are
2992         gimplified.
2993         (declare_return_variable): Update for new inline data datastructure.
2994         (inline_forbidden_p): Work on low gimple.
2995         (estimate_num_insns): Likewise.
2996         (expand_call_inline): Work on CFG.
2997         (push_cfun, pop_cfun): New functions.
2998         (cfun_stack): New stack.
2999         (add_lexical_block): New function.
3000         (gimple_expand_calls_inline): Work on basic block.
3001         (optimize_inline_calls): Likewise.
3002         (clone_body, save_body, unsave_ewpr_now): Update for new
3003         datastructures.
3004         (declare_inline_vars): Work on block instead of bind_expr.
3005         (inlining_p): New predicate.
3006         * tree-inline.h (push_cfun, pop_cfun): Declare.
3007         * tree-optimize.c: Include except.h
3008         (all_lowering_passes): New variable.
3009         (execute_fixup_cfg, pass_fixup_cfg): New pass.
3010         (init_tree_optimization_passes): Move some to all_lowering_passes.
3011         (tree_lowering_passes): New function.
3012         (tree_rest_of_compilation): Register cfg hooks; save/unsave eh.
3013         * tree-pass.h (tree_lowering_passes): Declare
3014
3015 2005-05-17  Nathan Sidwell  <nathan@codesourcery.com>
3016
3017         * unwind-dw2-fde-darwin.c: Include tsystem.h.
3018
3019 2005-05-17  Jeff Law  <law@redhat.com>
3020
3021         * Makefile.in (tree-ssa-forwprop.o): Depend on langhooks.h.
3022         * tree-ssa-forwprop.c: Include langhooks.h.
3023         (forward_propagate_addr_expr_into_variable_array_index): New.
3024         (forward_propagate_addr_expr): New.
3025         (tree_ssa_forward_propagate_single_use_vars): Loop over all
3026         the statements in the block instead of just the last statement.
3027         Call forward_propagate_addr_expr as needed.
3028         (pass_forwprop): Update the SSA graph after forward propagation is
3029         complete.
3030
3031 2005-05-17  Nathan Sidwell  <nathan@codesourcery.com>
3032
3033         * unwind-dw2-fde-glibc.c (base_from_cb_data,
3034         _Unwind_IteratePhdrCallback): Use gcc_assert and gcc_unreachable as
3035         appropriate.
3036         * unwind-dw2-fde.c (__deregister_frame_info_bases,
3037         base_from_object, fde_split, end_fde_sort): Likewise.
3038         * unwind-dw2.c (_Unwind_GetGR, _Unwind_SetGR, execute_stack_op, 
3039         execute_cfa_program, _Unwind_SetSpColumn, uw_update_context_1,
3040         uw_init_context_1): Likewise.
3041         * unwind.inc (_Unwind_RaiseException_Phase2, _Unwind_Resume,
3042         _Unwind_Resume_or_Rethrow): Likewise.
3043         * unwind-pe.h (__gxx_abort): Do not define.
3044         (size_of_encoded_value, base_of_encoded_value,
3045         read_encoded_value_with_base): Use gcc_unreachable.
3046         * unwind.h (_Unwind_GetTextRelBase): Likewise.
3047
3048 2005-05-17  Daniel Jacobowitz  <dan@codesourcery.com>
3049
3050         * config/arm/lib1funcs.asm (cfi_pop, cfi_push, cfi_start)
3051         (cfi_end): New macros.
3052         (RETLDM): Use cfi_pop.  Expect an eight byte stack frame.
3053         (ARM_LDIV0, THUMB_LDIV0, DIV_FUNC_END): Use CFI macros.  Create
3054         an eight byte stack frame.
3055         (__NR_tkill): Define.
3056         (__div0): Use gettid tkill on GNU/Linux.
3057         (_arm_return): Add CFI.
3058         (Lchange_\register, .Lchange_lr): Create an eight byte stack frame.
3059
3060 2005-05-17  Daniel Jacobowitz  <dan@codesourcery.com>
3061
3062         * configure.ac: Remove spaces around assignment to
3063         gcc_cv_ld_sysroot.
3064         * configure: Regenerated.
3065
3066 2005-05-17  David Edelsohn  <edelsohn@gnu.org>
3067
3068         * config/rs6000/aix.h (TARGET_ALTIVEC_VRSAVE): Delete.
3069         * config/rs6000/rs6000.c (rs6000_explicit_options): Add
3070         aix_struct_ret.
3071         (rs6000_override_options): Do not protect TARGET_ALTIVEC_VRSAVE.
3072         Modify aix_struct_return variable, not target_flags.
3073         (rs6000_handle_option): Do not protect TARGET_ALTIVEC_VRSAVE.
3074         (rs6000_return_in_memory): Test aix_struct_return.
3075         * config/rs6000/rs6000.opt (maix-struct-return): Convert to
3076         independent variable.  Report mxl-compat.
3077
3078 2005-05-17  Bernd Schmidt  <bernd.schmidt@analog.com>
3079
3080         * config/bfin/bfin.md (eh_return): Add missing DONE.
3081
3082 2005-05-17  Ian Lance Taylor  <ian@airs.com>
3083
3084         * read-rtl.c (struct macro_traverse_data): Add unknown_mode_attr
3085         field.
3086         (mode_attr_index): Remove check for defined attribute.  Remove
3087         infile parameter.  Change all callers.
3088         (apply_mode_maps): Add unknown parameter.  Change caller.  Always
3089         return after finding attribute.
3090         (apply_macro_to_rtx): Add unknown_mode_attr parameter.  Change
3091         callers.
3092         (apply_macro_traverse): Set mtd->unknown_mode_attr.
3093         (read_rtx): Use mtd.unknown_mode_attr to check for an undefined
3094         attribute used for a mode.
3095
3096 2005-05-17  Paolo Bonzini  <bonzini@gnu.org>
3097
3098         * tree-ssa-math-opts.c: New file.
3099
3100 2005-05-17  Paolo Bonzini  <bonzini@gnu.org>
3101
3102         * tree-ssa-math-opts.c: New file.
3103
3104 2005-05-17  Paolo Bonzini  <bonzini@gnu.org>
3105
3106         * Makefile.in: Add tree-ssa-math-opts.c.
3107         * expr.c (expand_expr_real_1) <case RDIV_EXPR>: Never emit as a*(1/b).
3108         * fold-const.c (distribute_real_division): New.
3109         (fold_binary) <case PLUS_EXPR, case MINUS_EXPR>: Use it.
3110         * tree-pass.h (pass_cse_reciprocals): New.
3111         * tree-optimize.c (init_tree_optimization_passes): Run it.
3112         * doc/passes.texi: Document the new pass.
3113
3114 2005-05-17  Richard Guenther  <rguenth@gcc.gnu.org>
3115
3116         PR middle-end/21595
3117         * builtins.c (fold_builtin_constant_p): Handle
3118         &"string cst"[0] as constant.
3119
3120 2005-05-17  Richard Henderson  <rth@redhat.com>
3121
3122         * config/i386/sse.md (mulv16qi3, mulv2di3): New.
3123
3124 2005-05-17  Jakub Jelinek  <jakub@redhat.com>
3125
3126         PR middle-end/21492
3127         * cfgcleanup.c (try_crossjump_to_edge): update_forwarder_flag for
3128         src2 if src2 has been split.
3129
3130         PR tree-optimization/21610
3131         * c-typeck.c (decl_constant_value_for_broken_optimization): If not
3132         returning DECL, call unshare_expr.
3133
3134 2005-05-17  Hans-Peter Nilsson  <hp@axis.com>
3135
3136         * config/cris/cris.md: Unquote preparation and output statements.
3137         (BWD, WD, BW): New, mode-macros.
3138         (S, s, m, mm, nbitsm1): New, mode-attrs.
3139         (szext, shift, shiftrt, ncond, ocond, rcond): New, code-macros.
3140         (u, su, shlr, slr, ncond, ocond, rcond, rCC, oCC, roCC): New,
3141         code-attrs.
3142         ("tst<mode>"): Replace "tstqi", "tsthi" and "tstsi".
3143         ("*cmp_ext<mode>"): Replace "*cmp_extsi" and "*cmp_exthi".
3144         ("*cmp_swapext<mode>"): Replace "*cmp_swapextqi" and
3145         "*cmp_swapexthi".
3146         ("cmp<mode>"): Replace "cmphi" and "cmpqi".
3147         ("movdi"): Move misplaced head comment regarding necessity of
3148         movdi from movsi to here.
3149         ("*mov_side<mode>_biap"): Replace "*mov_sideqi_biap" and
3150         "*mov_sidehi_biap".
3151         ("*mov_side<mode>"): Replace "*mov_sideqi" and "*mov_sidehi".
3152         ("*mov_side<mode>_biap_mem", "*mov_sidehi_biap_mem"): Replace
3153         "*mov_sideqi_biap_mem".
3154         ("*mov_side<mode>_mem"): Replace "*mov_sideqi_mem" and
3155         "*mov_sidehi_mem".
3156         ("*clear_side<mode>_biap"): Replace "*clear_sidesi_biap",
3157         "*clear_sidehi_biap" and "*clear_sideqi_biap".
3158         ("*clear_side<mode>"): Replace "*clear_sidesi", "*clear_sidehi"
3159         and "*clear_sideqi".
3160         ("*ext_side<mode>si_biap"): Replace "*ext_sideqisi_biap" and
3161         "*ext_sidehisi_biap".
3162         ("*ext_side<mode>si"): Replace "*ext_sideqisi" and
3163         "*ext_sidehisi".
3164         ("reload_in<mode>"): Replace "reload_inhi" and "reload_inqi".
3165         ("reload_out<mode>"): Replace "reload_outhi" and "reload_outqi".
3166         ("extend<mode>di2"): Replace "extendhidi2" and "extendqidi2".
3167         ("extend<mode>si2"): Replace "extendhisi2" and "extendqisi2".
3168         ("zero_extend<mode>si2"): Replace "zero_extendhisi2" and
3169         "zero_extendqisi2".
3170         ("*op_side<mode>_biap"): Replace "*op_sideqi_biap",
3171         "*op_sidehi_biap" and "*op_sidesi_biap".
3172         ("*op_side<mode>"): Replace "*op_sideqi", "*op_sidehi" and
3173         "*op_sidesi".
3174         ("*op_swap_side<mode>_biap"): Replace "*op_swap_sideqi_biap",
3175         "*op_swap_sidehi_biap" and "*op_swap_sidesi_biap".
3176         ("*op_swap_side<mode>"): Replace "*op_swap_sideqi",
3177         "*op_swap_sidehi" and "*op_swap_sidesi".
3178         ("sub<mode>3"): Replace "subhi3" and "subqi3", correcting a typo
3179         in the N alternative of "subqi3".
3180         ("*extop<mode>si_side_biap"): Replace "*extopqisi_side_biap" and
3181         "*extophisi_side_biap".
3182         ("*extop<mode>si_side"): Replace "*extopqisi_side" and
3183         "*extophisi_side".
3184         ("*extop<mode>si_swap_side_biap"): Replace
3185         "*extopqisi_swap_side_biap" and "*extophisi_swap_side_biap".
3186         ("*extop<mode>si_swap_side"): Replace "*extopqisi_swap_side" and
3187         "*extophisi_swap_side".
3188         ("*extop<mode>si"): Replace "*extopqisi" and "*extophisi".
3189         ("*extop<mode>si_swap"): Replace "*extopqisi_swap" and
3190         "*extophisi_swap".
3191         ("<u>mul<s><mode>3"): Replace "umulhisi3", "umulqihi3",
3192         "mulqihi3", "mulhisi3" and "mulhisi3".
3193         ("<u>mulsidi3"): Replace "mulsidi3" and "umulsidi3".
3194         ("<su>mulsi3_highpart"): Replace "smulsi3_highpart" and
3195         "umulsi3_highpart".
3196         ("xor<mode>3"): Replace "xorhi3" and "xorqi3".
3197         ("neg<mode>2"): Replace "negsi2", "neghi2" and "negqi2".
3198         ("one_cmpl<mode>2"): Replace "one_cmplhi2" and "one_cmplqi2".
3199         ("<shlr>si3"): Replace "ashrsi3", "lshrsi3" and "ashlsi3".
3200         ("ashr<mode>3"): Replace "ashrhi3" and "ashrqi3".
3201         ("*expanded_<shlr><mode>"): Replace "*expanded_ashrhi",
3202         "*expanded_ashrqi", "*expanded_lshrhi" and "*expanded_lshrqi".
3203         ("*<shlr><mode>_lowpart"): Replace "*ashrhi_lowpart",
3204         "*ashrqi_lowpart", "*lshrhi_lowpart" and "*lshrqi_lowpart".
3205         ("lshr<mode>3"): Replace "lshrhi3" and "lshrqi3".
3206         ("ashl<mode>3"): Replace "ashlhi3" and "ashlqi3".
3207         ("*ashl<mode>_lowpart"): Replace "*ashlqi_lowpart" and
3208         "*ashlhi_lowpart".
3209         ("abs<mode>2"): Replace "abshi2" and "absqi2".
3210         ("b<ncond>"): Replace "beq", "bne", "bgtu", "bltu", "bgeu" and
3211         "bleu".
3212         ("b<ocond>"): Replace "bgt" and "ble".
3213         ("b<rcond>"): Replace "blt" and "bge".
3214         ("*b<ncond>_reversed"): Replace "*beq_reversed", "*bne_reversed",
3215         "*bgtu_reversed", "*bltu_reversed", "*bgeu_reversed" and
3216         "*bleu_reversed".
3217         ("*b<ocond>_reversed"): Replace "*bgt_reversed" and
3218         "*ble_reversed".
3219         ("*b<rcond>_reversed"): Replace "*blt_reversed" and
3220         "*blt_reversed".
3221         ("s<ncond>"): Replace "sgeu", "sltu", "seq", "sgtu", "sleu" and
3222         "sne".
3223         ("s<rcond>"): Replace "sge" and "slt".
3224         ("s<ocond>"): Replace "sgt" and "sle".
3225         ("clear.[bwd] [rx=rx+rz.S2]"): Replace split clear.d
3226         [rx=rx+rz.S2], clear.w [rx=rx+rz.S2] and clear.b [rx=rx+rz.S2].
3227         ("clear.[bwd] [rx=rx+i]"): Replace splits clear.d [rx=rx+i],
3228         clear.w [rx=rx+i] and clear.b [rx=rx+i].
3229
3230 2005-05-17  Jakub Jelinek  <jakub@redhat.com>
3231
3232         * varasm.c (struct constant_descriptor_tree): Add hash field.
3233         (const_desc_hash): Just return hash field.
3234         (const_desc_eq): If hash values are different, return 0 immediately.
3235         (output_constant_def): Compute hash field of temporary key, use
3236         htab_find_slot_with_hash instead of htab_find_slot.  Set hash in
3237         newly built constant descriptor.
3238         (lookup_constant_def): Compute hash field of temporary key, use
3239         htab_find_with_hash instead of htab_find.
3240
3241 2005-05-16  Richard Henderson  <rth@redhat.com>
3242
3243         * config/i386/sse.md (mulv4si3): New.
3244
3245 2005-05-17  Hans-Peter Nilsson  <hp@axis.com>
3246
3247         * config/cris/cris.h (EXTRA_CONSTRAINT_T): Remove FIXME and
3248         tests for noncanonical versions of reg+constant and
3249         reg+reg*{1,2,4}.
3250
3251 2005-05-16  Richard Henderson  <rth@redhat.com>
3252             Steven Bosscher <stevenb@suse.de>
3253
3254         PR tree-opt/21399
3255         * tree-eh.c (maybe_clean_or_replace_eh_stmt): Rename from 
3256         maybe_clean_eh_stmt; take old stmt parameter.  Update EH
3257         region data structure to match replacement.
3258         * tree-flow.h: Update to match.
3259         * tree-ssa-ccp.c (execute_fold_all_builtins): Likewise.
3260         * tree-ssa-dom.c (optimize_stmt): Likewise.
3261         * tree-ssa-pre.c (eliminate): Likewise.
3262         * tree-ssa-propagate.c (substitute_and_fold): Likewise.
3263
3264 2005-05-16  Caroline Tice  <ctice@apple.com>
3265
3266         * bb-reorder.c (verify_hot_cold_block_grouping):  Replace
3267         internal_error with gcc_assert.
3268         * dwarf2out.c (dwarf2out_switch_text_section):  Likewise.
3269         * function.h (struct function): Remove space between "*" and
3270         struct field names.
3271         * varasm.c (initialize_cold_section_name):   Add gcc_assert;
3272         modify to use alloca.
3273         (unlikely_text_section): Add check for flag_function_sections.
3274         (assemble_start_function):  Move call to resolve_section, so it
3275         comes before first call to unlikely_text_section.
3276         (assemble_end_function):  Add test and call to function_section
3277         if appropriate.
3278         
3279 2005-05-16  Roger Sayle  <roger@eyesopen.com>
3280
3281         * c-common.c (c_common_truthvalue_conversion): Use fold_build2
3282         instead of build_binary_op when performing code transformations
3283         to avoid error messages about constructs not it the user's code.
3284
3285 2005-05-16  Kazu Hirata  <kazu@cs.umass.edu>
3286
3287         * tree-ssa-pre.c: Fix a comment typo.
3288
3289 2005-05-16  Richard Henderson  <rth@redhat.com>
3290
3291         PR target/21556
3292         * config/ia64/ia64.md (load_dtpmod, load_ltoff_dtpmod, load_dtprel,
3293         load_dtprel64, load_dtprel22, load_dtprel_gd, load_ltoff_dtprel,
3294         add_dtprel, add_dtprel14, add_dtprel22, load_tprel, load_tprel64,
3295         load_tprel22, load_tprel_ie, load_ltoff_tprel, add_tprel, add_tprel14,
3296         add_tprel22): Remove mode from symbolic operand.
3297
3298 2005-05-16  Richard Sandiford  <rsandifo@redhat.com>
3299
3300         * optc-gen.awk: Include intl.h after the externally-provided files.
3301
3302 2005-05-16  Kazu Hirata  <kazu@cs.umass.edu>
3303
3304         * tree-ssa-copy.c (copy_prop_visit_assignment): Clean up by
3305         folding a COND_EXPR_COND in a nondestructive manner.
3306
3307 2005-05-16  Fariborz Jahanian <fjahanian@apple.com>
3308
3309         * config/rs6000/altivec.md (altivec_vmrghb, altivec_vmrghh, 
3310         altivec_vmrghw, altivec_vmrglb, altivec_vmrglh, altivec_vmrglw):
3311         New values for vec_select definitions and bitmask for element
3312         selection.
3313          
3314 2005-05-16  Kazu Hirata  <kazu@cs.umass.edu>
3315
3316         * dwarf2out.c (used_rtx_varray): Rename to used_rtx_array.
3317         Change the type to VEC(rtx,gc)*.
3318         (mem_loc_descriptor, add_const_value_attributes,
3319         dwarf2out_init): Adjust uses of used_rtx_varray.
3320
3321         * tree-data-ref.c (compute_all_dependences): Change the type
3322         of dependence_relations to VEC(ddr_p,heap)**.
3323         (compute_data_dependences_for_loop): Change the type of
3324         allrelations to VEC(ddr_p,heap)*.
3325
3326 2005-05-16  Richard Sandiford  <rsandifo@redhat.com>
3327
3328         * Makefile.in (options.c): Tell optc-gen.awk to include config.h,
3329         system.h, coretypes.h and tm.h.
3330         (options.o): Update dependencies accordingly.
3331         * optc-gen.awk: Allow header_name to be a list of filenames.
3332         Handle the "Condition" flag.
3333         * opts.h (CL_DISABLED): New flag.
3334         * opts.c (handle_option): Print an error for CL_DISABLED options.
3335         * doc/options.texi: Document the "Condition" option flag.
3336
3337 2005-05-16  Paolo Bonzini  <bonzini@gnu.org>
3338
3339         * tree-inline.c (estimate_num_insns_1): Handle VEC_COND_EXPR.
3340
3341 2005-05-15  Roger Sayle  <roger@eyesopen.com>
3342
3343         * tree-scalar-evolution.c (set_nb_iterations_in_loop): Only
3344         check for TREE_OVERFLOW on INTEGER_CST trees.
3345         * tree-chrec.c (chrec_convert): Only clear TREE_OVERFLOW on
3346         CONSTANT_CLASS_P tree nodes.
3347
3348 2005-05-15  H.J. Lu  <hongjiu.lu@intel.com>
3349
3350         PR target/21551
3351         * config/ia64/ia64.c (ia64_expand_move): Don't add addend twice.
3352
3353 2005-05-15  Daniel Berlin  <dberlin@dberlin.org>
3354             
3355         Fix PR tree-optimization/21576
3356         
3357         * tree-ssa-pre.c (expression_node_pool): New pool.
3358         (comparison_node_pool): Ditto.
3359         (list_node_pool): Ditto.
3360         (pool_copy_list): New function.
3361         (phi_translate): Handle CALL_EXPR.
3362         (valid_in_set): Ditto.
3363         (create_expression_by_pieces): Ditto.
3364         (insert_into_preds_of_block): Ditto.
3365         (insert_aux): Ditto.
3366         (compute_avail): Ditto.
3367         (create_value_expr_from): Handle TREE_LIST and CALL_EXPR.
3368         (can_value_number_call): New function.
3369         (find_leader): Update comment.
3370         (init_pre): Create new pools.
3371         (fini_pre): Free new pools.
3372         (pass_pre): Add TODO_update_ssa for the future when we are going
3373         to need vops.
3374         * tree-vn.c (expressions_equal_p): Handle TREE_LIST.
3375         (set_value_handle): Ditto.
3376         (get_value_handle): Ditto.
3377
3378 2005-05-15  Richard Earnshaw  <richard.earnshaw@arm.com>
3379
3380         * arm.c (thumb_unexpanded_epilogue): Delete unused variable 'mode'.
3381
3382 2005-05-15  Andreas Jaeger  <aj@suse.de>
3383
3384         * gcc.c (pfatal_pexecute): Remove unused local function.
3385
3386 2005-05-15  Richard Sandiford  <rsandifo@redhat.com>
3387
3388         * optc-gen.awk: Remove excess indentation.
3389         * opth-gen.awk: Likewise.
3390
3391 2005-05-14  Kaz Kojima  <kkojima@gcc.gnu.org>
3392
3393         * config/sh/sh.c (sh_output_mi_thunk): Check cfun->cfg instead
3394         of basic_block_info.  Call init_flow and find_basic_blocks
3395         before dbr_schedule if needed.
3396
3397 2005-05-14  Kazu Hirata  <kazu@cs.umass.edu>
3398
3399         * tree-optimize.c (init_tree_optimization_passes): Move
3400         pass_cd_dce in place of the last pass_dce.
3401
3402         PR tree-optimization/21563
3403         * tree-vrp.c (compare_value): Return boolean_false_node when
3404         SSA_NAME in "if (SSA_NAME == CST)" is strictly smaller than or
3405         strictly larger than CST.
3406
3407 2005-05-14  Nathan Sidwell  <nathan@codesourcery.com>
3408             Jan-Benedict Glaw  <jbglaw@lug-owl.de>
3409
3410         * config/vax/vax.c: (print_operand_address) Use gcc_unreachable() and
3411         gcc_assert().
3412         (rev_cond_name) Likewise.
3413         (vax_float_literal) Likewise.
3414         * config/vax/vax.md: Likewise.
3415
3416 2005-05-14  Jan-Benedict Glaw  <jbglaw@lug-owl.de>
3417
3418         * config/vax/vax.md: define_constant VAXens AP, FP, SP and PC
3419         registers and use them (specifically the stack pointer).
3420         * config/vax/vax.h: Use above defines right here.
3421
3422         * config/vax/vax.c: (override_options) Remove 'register' keyword.
3423         (split_quadword_operands) Likewise. (rev_cond_name) Likewise.
3424         (vax_float_literal) Likewise. (vax_rtx_costs) Remove trailing
3425         whitespace.
3426         * config/vax/vax.h: Remove 'register' keyword. Misc. whitespace fixes,
3427         mostly removal of trailing spaces...
3428         * config/vax/vax-modes.def: Remove trailing whitespace.
3429
3430         * config/vax/elf.h: Update whitespace.
3431
3432 2005-05-14  Richard Guenther  <rguenth@gcc.gnu.org>
3433
3434         Revert
3435         2005-05-11  Richard Guenther  <rguenth@gcc.gnu.org>
3436         * fold-const.c (fold_indirect_ref_1): Avoid removing
3437         NOP_EXPRs with type qualifiers like const.
3438
3439 2005-05-14  Jan Hubicka  <jh@suse.cz>
3440
3441         Patch by Richard Henderson:
3442         * tree-eh.c (tree_can_throw_internal, tree_can_throw_external):
3443         Handle RESX expressions properly.
3444
3445         * tree-eh.c (record_stmt_eh_region): Use add_stmt_to_eh_region.
3446         (add_stmt_to_eh_region_fn): Nest into CALL_EXPR.
3447         (remove_stmt_from_eh_region_fn): Likewise.
3448
3449         * tree-cfg.c (execute_warn_function_return): Break out noreturn
3450         warning too..
3451         (execute_warn_function_noreturn): ... here.
3452         (pass_warn_function_noreturn): New pass.
3453         * tree-pass.h (pass_warn_function_noreturn): Declare
3454         * tree-optimize.c (init_tree_optimization_passes): Move return
3455         warnings early and add noreturn warnings at place of previous
3456         return warnings.
3457
3458 2005-05-14  Kazu Hirata  <kazu@cs.umass.edu>
3459
3460         * tree-ssa-live.c (tpa_init, tpa_delete, tpa_compact,
3461         root_var_init, type_var_init): Use VEC instead of VARRAY.
3462         * tree-ssa-live.h (tree_partition_associator_d): Change the
3463         type of trees to VEC(tree,heap)*.
3464         (tpa_tree): Use VEC instead of VARRAY.
3465
3466 2005-05-14  Richard Guenther  <rguenth@gcc.gnu.org>
3467
3468         * fold-const.c (div_if_zero_remainder): New function.
3469         (try_move_mult_to_index): Use it.
3470
3471 2005-05-14  Kazu Hirata  <kazu@cs.umass.edu>
3472
3473         * tree-eh.c (leh_tf_state): Change the type of dest_array to
3474         VEC(tree,heap)*.
3475         (maybe_record_in_goto_queue, lower_try_finally_onedest,
3476         lower_try_finally_copy, lower_try_finally_switch,
3477         lower_try_finally): Use VEC instead of VARRAY.
3478
3479 2005-05-14  Hans-Peter Nilsson  <hp@axis.com>
3480
3481         * config/cris/cris.h (Node: Register Classes): Remove obsoleted
3482         comment regarding defined register classes.
3483         (LEGITIMIZE_RELOAD_ADDRESS): Do not define.
3484
3485 2005-05-14  Kazu Hirata  <kazu@cs.umass.edu>
3486
3487         * tree-optimize.c (init_tree_optimization_passes): Move
3488         pass_merge_phi before the first pass_dominator.
3489
3490 2005-05-13  Richard Earnshaw  <richard.earnshaw@arm.com>
3491
3492         * arm.h (INITIALIZE_TRAMPOLINE): Make the call to __clear_cache
3493         unconditional.
3494
3495 2005-05-13  Josh Conner  <jconner@apple.com>
3496
3497         * config/arm/arm.c (arm_size_return_regs): New.
3498         (thumb_unexpanded_epilogue): replace in-line calculation
3499         of return registers with call to arm_size_return_regs.
3500         (use_return_insn): Include test of which registers are
3501         being used to hold return values, to accommodate
3502         vector return values.
3503
3504 2005-05-11  Aldy Hernandez  <aldyh@redhat.com>
3505
3506         * config/rs6000/sysv4.opt (mlittle): Handle.
3507
3508         * config/rs6000/rs6000.c (rs6000_handle_option): Set
3509         target_flags_explicit when appropriate.
3510
3511 2005-05-13  J"orn Rennecke <joern.rennecke@st.com>
3512
3513         PR middle-end/20714:
3514         * optabs.c (no_conflict_data): New struct.
3515         (no_conflict_move_test): New function.
3516         (emit_no_conflict_block): Use it.
3517
3518 2005-05-13  Adam Nemet  <anemet@lnxw.com>
3519
3520         * doc/invoke.texi (Debugging Options): Option
3521         -fdump-translation-unit only works with C++ now.
3522
3523 2005-05-13  Hans-Peter Nilsson  <hp@axis.com>
3524
3525         Replace calls to abort in CRIS port.
3526         * config/cris/cris.h (CRIS_ASSERT): New macro.
3527         * config/cris/cris.md ("*movsi_internal"): Use CRIS_ASSERT and
3528         internal_error instead of abort.
3529         ("movsi"): Ditto.  Unquote preparation statement section.
3530         ("call", "call_value"): Ditto, but use gcc_assert where
3531         appropriate.  Tweak comments.
3532         * config/cris/cris.c (ASSERT_PLT_UNSPEC): Define in terms of
3533         CRIS_ASSERT.
3534         (cris_op_str): Call internal_error, not abort.
3535         (cris_print_operand): Tweak "abort" reference to "die" in comment.
3536         (cris_initial_elimination_offset): Call gcc_unreachable, not abort.
3537         (cris_notice_update_cc): Call internal_error, not abort.
3538         (cris_expand_return, cris_expand_prologue, cris_gen_movem_load)
3539         (cris_emit_movem_store, cris_asm_output_symbol_ref)
3540         (cris_output_addr_const_extra): Use CRIS_ASSERT, don't call abort.
3541         (cris_symbol, cris_got_symbol): Use CRIS_ASSERT instead of
3542         ENABLE_CHECKING-guarded abort call.
3543         (cris_split_movdx): Use CRIS_ASSERT instead of abort with test.
3544         Use internal_error at end of test-chain.
3545
3546 2005-05-13  J"orn Rennecke <joern.rennecke@st.com>
3547
3548         PR rtl-optimization/20769:
3549         * bt-load.c (compute_defs_uses_and_gen): Check for the blockage
3550         pattern emitted by expand_nl_goto_receiver.
3551
3552         PR middle-end/20793:
3553         * integrate.c (allocate_initial_values): Update register liveness
3554         information.
3555
3556 2005-05-13  Josh Conner  <jconner@apple.com>
3557
3558         * arm.c (arm_return_in_memory): Add handling for vector return types.
3559
3560 2005-05-13  David Ung  <davidu@mips.com>
3561
3562         * config/mips/mips.h (processor_type): Add new PROCESSOR_4KP
3563         name.
3564         * config/mips/mips.c: Add 4km alias.
3565         * config/mips/mips.md: Add 4kp to cpu attrib and include 4k.md.
3566         * config/mips/4k.md: New file, add 4Kc/4Kp DFA pipeline
3567         description.
3568
3569 2005-05-13  Jan Hubicka  <jh@suse.cz>
3570
3571         * c-decl.c (finish_function): Suppress "control reaches end of
3572         non-void function" when "no return statement in function
3573         returning non-void" is issued.
3574
3575         * tree-inline.c (copy_body_r): Simplify substituted ADDR_EXPRs.
3576         * tree-optimize.c (pass_gimple): Kill.
3577         (init_tree_optimization_passes): Kill pass_gimple.
3578         * tree-cfg.c (build_tree_cfg): Do verify_stmts to check that we are gimple.
3579         * tree-dump.c (dump_files): Rename .generic to .gimple.*
3580
3581 2005-05-13  J"orn Rennecke <joern.rennecke@st.com>
3582
3583         PR rtl-optimization/20756:
3584         * basic-block.h (PROP_DEAD_INSN): Define.
3585         * flow.c (propagate_one_insn): Set during mark_set_regs call
3586         for a dead insn.
3587         (mark_set_1): Emit a clobber when we are about to delete a dead insn
3588         that kills a live register.
3589
3590 2005-05-13  Adrian Straetling  <straetling@de.ibm.com>
3591
3592         * config/s390/s390.md: ("DBL"): New mode attribute.
3593         ("*movmem_long_64", "*movmem_long_31"): Merge to "*movmem_long".
3594         ("*clrmem_long_64", "*clrmem_long_31"): Merge to "*clrmem_long".
3595         ("*cmpmem_long_64", "*cmpmem_long_31"): Merge to "*cmpmem_long".
3596
3597 2005-05-13  Richard Guenther  <rguenth@gcc.gnu.org>
3598
3599         * c-format.c (check_format_arg): Handle string literals of
3600         the form &"string"[offset].
3601
3602         * g++.dg/warn/format4.C: New testcase.
3603
3604 2005-05-13  Kazu Hirata  <kazu@cs.umass.edu>
3605
3606         * config/mips/3000.md, config/mips/4000.md,
3607         config/mips/4100.md, config/mips/4300.md, config/mips/4600.md,
3608         config/mips/5000.md, config/mips/7000.md, config/mips/9000.md,
3609         config/mips/generic.md, config/pdp11/pdp11.md,
3610         config/sh/crt1.asm, config/sh/lib1funcs.asm,
3611         config/sh/sh-modes.def, config/sh/sh-protos.h,
3612         config/sh/shmedia.md, config/sh/ushmedia.h: Update copyright.
3613
3614 2005-05-13  Richard Henderson  <rth@redhat.com>
3615
3616         * function.c (instantiate_virtual_regs_in_insn): Do not simplify
3617         addition to move unless dest is a register.  Do not skip
3618         instantiation in dest on addition simplification.
3619
3620 2005-05-13  Hans-Peter Nilsson  <hp@axis.com>
3621
3622         * config/cris/cris.c (cris_print_operand) <case 'H'; case
3623         CONST_INT>: Use operand_subword and HOST_WIDE_INT_PRINT_DEC for
3624         output; don't have special case for HOST_BITS_PER_WIDE_INT == 32.
3625
3626 2005-05-13  Jan Hubicka  <jh@suse.cz>
3627
3628         * basic-block.h (FOR_ALL_BB_FN): New macro.
3629         (init_flow): Initialize cfg structure.
3630         * function.c (allocate_struct_function): Do not initialize cfg structure.
3631         * tree-cfg.c (init_empty_tree_cfg): Break out from ...
3632         (build_tree_cfg): ... here.
3633         * tree-flow.h (init_empty_tree_cfg): Declare.
3634
3635 2005-05-12  Steven Bosscher <stevenb@suse.de>
3636
3637         Fix PR tree-optimization/21520
3638         * tree-ssa-pre.c (phi_translate): Use fully_constant_expression
3639         to attempt to fold constants.
3640
3641 2005-05-12  Kaz Kojima  <kkojima@gcc.gnu.org>
3642
3643         * config/sh/sh.c: Declare the prototype of sh_adjust_unroll_max
3644         only when TARGET_ADJUST_UNROLL_MAX is defined.
3645         (general_movsrc_operand): Use the C style comment.
3646         (ua_offset): Use prototype.
3647
3648 2005-05-12  Zdenek Dvorak  <dvorakz@suse.cz>
3649
3650         * tree-ssa-loop-im.c (struct mem_ref): Add field "next".
3651         (struct hmr_data, hoist_memory_reference, memref_del,
3652         struct fmrv_data): Removed.
3653         (hoist_memory_references, free_mem_ref, free_mem_refs): New functions.
3654         (gather_mem_refs, gather_mem_refs_stmt): Add new references to the
3655         list.
3656         (find_more_ref_vops): Traverse the list of memory references.
3657         (determine_lsm_loop): Work with the list of memory references instead
3658         of traversing the hashtable.
3659
3660 2005-05-12  Steven Bosscher  <stevenb@suse.de>
3661             Stuart Hastings <stuart@apple.com>
3662             Jan Hubicka  <jh@suse.cz>
3663
3664         * except.c  (duplicate_eh_region_1, duplicate_eh_region_2,
3665         duplicate_eh_regions): New functions, based on old
3666         implementation removed with RTL inliner.
3667         (reachable_next_level): Modify behaviour pre-inline.
3668         * except.h (duplicate_eh_regions_map, duplicate_eh_regions):
3669         Declare.
3670         * function.h (struct function): Add after_inlining flag.
3671         * tree-optimize.c (tree_rest_of_compilation): Set it.
3672         * tree-eh.c (add_stmt_to_eh_region_fn): Initialize hashtable
3673         when needed.
3674         * tree-cfg.c (label_to_block_fn): Deal with cases where
3675         label was never insterted into code.
3676
3677 2005-05-12  Zack Weinberg  <zack@codesourcery.com>
3678
3679         * doc/cpp.texi: Document that #sccs is a synonym for #ident.
3680
3681 2005-05-12  Daniel Berlin  <dberlin@dberlin.org>
3682
3683         Fix PR tree-optimization/21532
3684         * tree-ssa-pre.c (create_expression_by_pieces): stmt
3685         needs to go onto the inserted_exprs list.
3686
3687 2005-05-12  Ian Lance Taylor  <ian@airs.com>
3688
3689         * c-common.h (statement_code_p): Don't declare.
3690         (STATEMENT_CODE_P): Don't define.
3691         (INIT_STATEMENT_CODES): Don't define.
3692         * c-common.c (statement_code_p): Don't define.
3693
3694 2005-05-12  Eric Botcazou  <ebotcazou@libertysurf.fr>
3695
3696         * config/sparc/sparc.h: Remove dead code.
3697         * config/sparc/sparc.c (sparc_compute_frame_size): Use
3698         FIRST_PARM_OFFSET for the size of the register window area.
3699         (emit_save_regs): Rename into emit_save_or_restore_regs.
3700         Add 'action' parameter.  Use 4095 as upper bound for the offset.
3701         Pass 'action' to save_or_restore_regs.
3702         (emit_restore_regs): Delete.
3703         (sparc_expand_prologue): Call emit_save_or_restore_regs.
3704         (sparc_expand_epilogue): Likewise.
3705         * config/sparc/sparc.md (mode macro P): Move.
3706         (movdi_insn_sp32_v9, movdi_insn_sp32): Swap.
3707         (mov<V32:mode> expander): Move to the top of the V32 section.
3708         (movdf_insn_sp32_v9_no_fpu, movdf_insn_sp32_v9): Swap.
3709         (movtf_insn_sp64_hq, movtf_insn_sp64): Swap.
3710         (sibcall_epilogue): Move.
3711
3712 2005-05-12  Richard Earnshaw  <richard.earnshaw@arm.com>
3713
3714         PR target/21501
3715         * arm.c (arm_gen_constant): Sign-extend intermediate values when
3716         synthesizing a constant of the difference of two immediates.
3717
3718 2005-05-12  Richard Earnshaw  <richard.earnshaw@arm.com>
3719
3720         * arm/vfp.md (negsf2_vfp): Add alternative using integer registers.
3721         (negdf2_vfp): Likewise.  Convert to define_insn_and_split and split
3722         the alternatives using integer registers into the appropriate
3723         primitives.
3724
3725 2005-05-11 Kenneth Zadeck <zadeck@naturalbridge.com>
3726
3727         * bitmap.c (bitmap_elmt_to_freelist, bitmap_element_allocate,
3728         bitmap_elt_clear_from, bitmap_clear): Changed freelist structure.
3729         * bitmap.h: Fixed comments.
3730
3731 2005-05-11  Richard Henderson  <rth@redhat.com>
3732
3733         PR target/21412
3734         * config/ia64/ia64.c (TARGET_CANNOT_FORCE_CONST_MEM): New.
3735         (ia64_cannot_force_const_mem): New.
3736         (tls_symbolic_operand_type): New.
3737         (ia64_legitimate_constant_p): New.
3738         (ia64_expand_load_address): Return true on success.  Improve
3739         checks for when we should not split.
3740         (ia64_expand_tls_address): New addend operand.  Distribute it
3741         as appropriate to the tls_kind.  Delay referencing gp.
3742         (ia64_expand_move): Split symbolic addend as necessary.  Handle
3743         tls symbols with addends.
3744         * config/ia64/ia64-protos.h: Update.
3745         * config/ia64/ia64.h (CALL_REALLY_USED_REGISTERS): False for r0,
3746         p0, f0, f1, and r13.
3747         (LEGITIMATE_CONSTANT_P): Move to ia64_legitimate_constant_p.
3748         * config/ia64/ia64.md (UNSPEC_DTPMOD): New.
3749         (symbolic_operand splitter): Pass everything through
3750         ia64_expand_load_address and FAIL or DONE as appropriate.
3751         (load_fptr): Only accept after reload.
3752         (load_fptr_internal1, gprel64_offset, load_gprel64, load_symptr_high,
3753         load_symptr_low, load_ltoff_dtpmod,
3754         (load_dtpmod): New.
3755         (load_dtprel): Only accept tls symbols.
3756         (load_dtprel64, load_dtprel22): Likewise.
3757         (load_tprel, load_tprel64, load_tprel22): Likewise.
3758         (load_dtprel_gd, load_ltoff_dtprel, load_tprel_ie): New.
3759         (add_dtprel): Only accept tls symbols.  Canonicalize PLUS.
3760         (add_dtprel14, add_dtprel22): Likewise.
3761         (add_tprel, add_tprel14, add_tprel22): Likewise.
3762         * config/ia64/predicates.md (small_addr_symbolic_operand): New.
3763         (any_offset_symbol_operand, aligned_offset_symbol_operand): New.
3764         (got_symbolic_operand): Check CONST offsets.
3765         (tls_symbolic_operand, ld_tls_symbolic_operand): New.
3766         (ie_tls_symbolic_operand, le_tls_symbolic_operand): New.
3767         (move_operand): Don't handle tls here.  Check CONST offsets.
3768
3769 2005-05-11  Richard Sandiford  <rsandifo@redhat.com>
3770
3771         * config/mips/7000.md (rm7_impy_si_mult): Just match imul and imadd.
3772         Remove hilo_operand check.
3773         (rm7_impy_si_mul): Just match imul3.  Remove hilo_operand check.
3774         * config/mips/predicates.md (hilo_operand): Delete.
3775
3776 2005-05-11  Richard Sandiford  <rsandifo@redhat.com>
3777
3778         * config/mips/sr71k.md, config/mips/7000.md: Reformat.
3779
3780 2005-05-11  Kazu Hirata  <kazu@cs.umass.edu>
3781
3782         PR tree-optimizer/18472
3783         * tree-if-conv.c (tree_if_convert_stmt,
3784         if_convertible_modify_expr_p): Don't handle GOTO_EXPR.
3785
3786 2005-05-11  Jan Hubicka  <jh@suse.cz>
3787
3788         * Makefile.in (tree-eh.o: Kill gt-tree-eh.h dependency.
3789         (GTFILES): add except.h.
3790         * except.c (eh_status): Add throw_stmt_table.
3791         (set_eh_throw_stmt_table, get_eh_throw_stmt_table): New functions.
3792         * except.h (add_stmt_to_eh_region_fn, remove_stmt_from_eh_region_fn,
3793         lookup_stmt_eh_region_fn): Declare.
3794         (throw_stmt_node): New structure.
3795         (set_eh_throw_stmt_table, get_eh_throw_stmt_table): New.
3796         * gengtype.c (open_base_files): Add except.h to inlines.
3797         * tree-eh.c (throw_stmt_node): Kill.
3798         (record_stmt_eh_region): Update.
3799         (add_stmt_to_eh_region_fn): Break out from ...
3800         (add_stmt_to_eh_region): ... here.
3801         (remove_stmt_from_eh_region_fn): Break out from ...
3802         (remove_stmt_from_eh_region): ... here.
3803         (lookup_stmt_eh_region_fn): Break out from ...
3804         (lookup_stmt_eh_region): ... here.
3805         (honor_protect_cleanup_actions): Use build_resx.
3806         (lower_try_finally_onedest): Likewise.
3807         (lower_try_finally_copy): Likewise.
3808         (lower_try_finally_switch): Likewise.
3809         (lower_eh_constructs): Update eh table construction.
3810         * tree.c (build_resx): New.
3811         * tree.h (build_resx): Declare.
3812
3813 2005-05-11  H.J. Lu  <hongjiu.lu@intel.com>
3814
3815         * libgcov.c (gcov_exit): Set prefix_length to 0 if no relocation
3816         is needed.
3817
3818 2005-05-11  Kazu Hirata  <kazu@cs.umass.edu>
3819
3820         * fold-const.c, libgcov.c: Fix comment typos.
3821
3822         * tree-ssa-forwprop.c (forward_propagate_into_cond_1): Remove
3823         redundant code.
3824
3825 2005-05-11  Daniel Jacobowitz  <dan@codesourcery.com>
3826
3827         * config/arm/linux-elf.h (SUBTARGET_FRAME_POINTER_REQUIRED): Define.
3828         * config/arm/arm.h (SUBTARGET_FRAME_POINTER_REQUIRED): Provide
3829         default definition.
3830         (FRAME_POINTER_REQUIRED): Use SUBTARGET_FRAME_POINTER_REQUIRED.
3831
3832 2005-05-11  Nathan Sidwell  <nathan@codesourcery.com>
3833
3834         PR bootstrap/21481
3835         * crtstuff.c: Include auto-host.h again, for now.
3836
3837 2005-05-11  Richard Sandiford  <rsandifo@redhat.com>
3838
3839         * config/mips/24k.md: Remove trailing whitespace.
3840
3841 2005-05-11  David Ung  <davidu@mips.com>
3842
3843         * config/mips/mips.md (type): Add imul3.
3844         (length, hazard, may_clobber_hilo): Check for imul3.
3845         (mulsi3_mult3, muldi3_mult3, *muls, <su>mulsi3_highpart_mulhi_internal)
3846         (*<su>mulsi3_highpart_neg_mulhi_internal): Set attr to imul3.
3847         * config/mips/24k.md (r24k_int_mul3): Enable this reservation
3848         for a 3 operand mul and its bypasses.
3849         * config/mips/3000.md (r3k_imul): Add imul3 to reservations.
3850         * config/mips/4000.md (r4k_imul): Likewise.
3851         * config/mips/4100.md (r4100_imul_si, r4100_imul_di):  Likewise.
3852         * config/mips/4130.md (vr4130_class, vr4130_mulsi)
3853         (vr4130_muldi): Likewise.
3854         * config/mips/4300.md (r4300_imul_si, r4300_imul_di): Likewise.
3855         * config/mips/4600.md (r4600_imul, r4650_imul): Likewise.
3856         * config/mips/5000.md (r5k_imul_si, r5k_imul_di): Likewise.
3857         * config/mips/5400.md (ir_vr54_imul_si, ir_vr54_imul_di)
3858         (ir_vr54_imadd_si): Likewise.
3859         * config/mips/5500.md (ir_vr55_imul_si, ir_vr55_imul_di):  Likewise.
3860         * config/mips/7000.md (rm7_impy_si_mult, rm7_impy_si_mul)
3861         (rm7_impy_di): Likewise.
3862         * config/mips/9000.md (rm9k_mulsi, rm9k_muldi):  Likewise.
3863         * config/mips/generic.md (generic_imul): Likewise.
3864         * config/mips/sb1.md (ir_sb1_mulsi, ir_sb1_muldi): Likewise.
3865         * config/mips/sr71k.md (ir_sr70_imul_si, ir_sr70_imul_di):  Likewise.
3866
3867 2005-05-11  J"orn Rennecke <joern.rennecke@st.com>
3868
3869         PR middle-end/20371:
3870         * tree.h (record_layout_info_s): New member prev_packed.
3871         * stor-layout.c (update_alignment_for_field): Fix comment about
3872         KNOWN_ALIGN.  For MS bitfields, if we start a new run, make sure
3873         we start it properly aligned.
3874         (place_field): At the beginning of a record, pass 0 as KNOWN_ALIGN
3875         to update_alignment_for_field, and recompute it afterwards using
3876         the alignment of the record.
3877         When a packed bitfield precedes an MS bitfield, don't add padding
3878         at the end of the packed bitfield on behalf of the base type of
3879         the packed bit field.
3880         Don't adjust rli->bitpos at the end
3881         of an MS bitfield run if we already adjusted bitpos/offset for an
3882         alignment as large or larger than the bitfield type size.
3883         Take possible record alignment > BIGGEST_ALIGNMENT into account
3884         when calculating actual_align.
3885         Only put packed buit fields into rli->prev_field if they end up
3886         suitably aligned.
3887         Also set rli->remaining_in_alignment when we re-set rli->prev_field.
3888         Update rli->remaining_in_alignment when we have already started a
3889         run of bit fields and we process a packed bit field.
3890
3891 2005-05-11  Sebastian Pop  <pop@cri.ensmp.fr>
3892
3893         * tree-data-ref.c (find_data_references_in_loop): Give up when
3894         the body of the loop contains a CALL_EXPR or an ASM_EXPR: they
3895         may embed arbitrary side effects.
3896         Remove the assumption that GIMPLE form contains a single array
3897         access per statement.
3898         When the statement contains virtual operands, fail if it is not
3899         a MODIFY_EXPR or a CALL_EXPR.
3900         Return after the dont know node is inserted.
3901
3902 2005-05-11  Richard Earnshaw  <richard.earnshaw@arm.com>
3903
3904         * arm.md (negsf2, negdf2): Permit these expands when compiling for VFP.
3905
3906 2005-05-11  Richard Guenther  <rguenth@gcc.gnu.org>
3907
3908         PR middle-end/19807
3909         PR tree-optimization/19639
3910         * fold-const.c (try_move_mult_to_index): Handle INTEGER_CST
3911         and generic summands for char* as s * delta, too, folding &a[i]
3912         CODE x to &a[i CODE x/s].  Use tree_int_cst_equal
3913         for comparison of steps.  Convert types for index addition.
3914         (fold_binary): Adjust the callers to always dispatch to
3915         try_move_mult_to_index.
3916         * tree-ssa-propagate.c (set_rhs): Avoid setting rhs to
3917         expr with non-gimple ARRAY_REF offset.
3918
3919 2005-05-11  Richard Guenther  <rguenth@gcc.gnu.org>
3920
3921         * fold-const.c (fold_indirect_ref_1): Avoid removing
3922         NOP_EXPRs with type qualifiers like const.
3923
3924 2005-05-11  Richard Henderson  <rth@redhat.com>
3925
3926         PR c/21502
3927         * c-decl.c (finish_decl): Propagate the completed array type of
3928         a global variable into the binding.
3929
3930 2005-05-10  Matt Kraai  <kraai@ftbfs.org>
3931
3932         * Makefile.in (gtype-desc.o, build/genautomata.o)
3933         (build/varray.o): Depend on $(VARRAY_H).
3934
3935 2005-05-10  Diego Novillo  <dnovillo@redhat.com>
3936
3937         * tree-optimize.c (init_tree_optimization_passes): Re-organize
3938         optimization passes to do an initial batch of scalar cleanups.
3939
3940 2005-05-10  Ian Lance Taylor  <ian@airs.com>
3941
3942         * read-rtl.c (struct macro_traverse_data): Define.
3943         (map_attr_string): New static function, broken out of
3944         apply_macro_to_string.
3945         (mode_attr_index, apply_mode_maps): New static functions.
3946         (apply_macro_to_string): Call map_attr_string.
3947         (apply_macro_to_rtx): Add mode_maps and infile parameters.  Change
3948         all callers.
3949         (apply_macro_traverse): Expect data to point to a struct
3950         macro_traverse_data.
3951         (read_rtx): Add mode_maps local variable.  Use mode_traverse_data
3952         to pass data through htab_traverse.
3953         (read_rtx_1): Add mode_maps parameter.  Change all callers.
3954         Handle mode names which are attribute strings.
3955         * doc/md.texi (Substitutions): Rename from String Substitutions.
3956         Change references.  Document using attributes as modes.
3957
3958 2005-05-10  Zdenek Dvorak  <dvorakz@suse.cz>
3959
3960         * tree-cfg.c (tree_duplicate_sese_region): Update profile.
3961         * tree-optimize.c (init_tree_optimization_passes) Swap
3962         pass_ch and pass_profile.
3963         * tree-ssa-loop-ch.c (copy_loop_headers): Do not update profile
3964         here.  Remove rewrite_into_loop_closed_ssa call.
3965
3966 2005-05-10  Adrian Straetling  <straetling@de.ibm.com>
3967
3968         * config/s390/s390.c: (s390_const_double_ok_for_constraint_p): New
3969         function.
3970         (legitimate_reload_constant_p): Add check for const double zero.
3971         * config/s390/s390.md: Add comment for constraint letter 'G'.
3972         ("*movdf_64", "*movdf_31", "movsf"): Add constraint and proper
3973         attributes for new case.
3974         * config/s390/s390.h: (CONST_DOUBLE_OK_FOR_CONSTRAINT_P): Define it as
3975         s390_const_double_ok_for_constraint_p.
3976         * config/s390/s390-protos.h (s390_const_double_ok_for_constraint_p):
3977         Add prototype.
3978
3979 2005-05-10  Kazu Hirata  <kazu@cs.umass.edu>
3980
3981         PR tree-optimization/21170
3982         * tree-ssa-dom.c, tree-ssa-threadupdate.c: Replace
3983         rewrite_ssa_into_ssa in comments with update_ssa.
3984
3985 2005-05-10  Zdenek Dvorak  <dvorakz@suse.cz>
3986
3987         * tree-ssa-loop-im.c: Include hashtab.h.
3988         (struct mem_ref_loc): New.
3989         (struct mem_ref): Describe the set of references with the same
3990         shape.
3991         (max_stmt_uid, get_stmt_uid, record_mem_ref, free_mem_refs,
3992         maybe_queue_var, fem_single_reachable_address,
3993         for_each_memref, single_reachable_address,
3994         is_call_clobbered_ref, determine_lsm_reg): Removed.
3995         (record_mem_ref_loc, free_mem_ref_locs, determine_lsm_ref,
3996         hoist_memory_reference, memref_hash, memref_eq, memref_del,
3997         gather_mem_refs_stmt, gather_mem_refs, find_more_ref_vops):
3998         New functions.
3999         (rewrite_mem_refs, schedule_sm): Use mem_ref_loc list.
4000         (determine_lsm_loop): Rewritten.
4001         (determine_lsm): Do not set stmt uids.
4002
4003 2005-05-10  Adrian Straetling  <straetling@de.ibm.com>
4004
4005         * config/s390/s390.md: Add comment lines for 'f' and 't' constraint
4006         letters.
4007
4008 2005-05-10  Adrian Straetling  <straetling@de.ibm.com>
4009
4010         * config/s390/s390.md: ("anddi3","andsi3","andhi3","andqi3"): Merge.
4011         ("iordi3", "iorsi3", "iorhi3", "iorqi3"): Merge.
4012         ("xordi3", "xorsi3", "xorhi3", "xorqi3"): Merge.
4013
4014 2005-05-10  Jeff Law  <law@redhat.com>
4015
4016         * tree-ssa-dom.c (dom_opt_finalize_block): Do not call
4017         thread_across_edge for any abnormal edges.
4018
4019 2005-05-10  Richard Henderson  <rth@redhat.com>
4020
4021         * config/ia64/ia64.c (ia64_expand_atomic_op): New.
4022         * config/ia64/ia64-protos.h: Declare it.
4023         * config/ia64/sync.md (I124MODE, FETCHOP, fetchop_name): New.
4024         (sync_add<I48MODE>, sync_old_add<I48MODE>): Remove.
4025         (sync_<FETCHOP><IMODE>, sync_nand<IMODE>): New.
4026         (sync_old_<FETCHOP><IMODE>, sync_old_nand<IMODE>): New.
4027         (sync_new_<FETCHOP><IMODE>, sync_new_nand<IMODE>): New.
4028         (cmpxchg_rel_<I124MODE>): Split from cmpxchg_acq_<IMODE>.  Zero
4029         extend result; use release semantics.
4030         (cmpxchg_rel_di): Rename from cmpxchg_acq_<IMODE>; use release.
4031         (sync_val_compare_and_swap_<IMODE>): Update to match.
4032
4033 2005-05-10  Richard Henderson  <rth@redhat.com>
4034
4035         * optabs.c (expand_compare_and_swap_loop): Don't clobber old value
4036         before comparing it for success.
4037
4038 2005-05-10  Richard Henderson  <rth@redhat.com>
4039
4040         * config/ia64/sync.md (sync_add<I48MODE>): Fix arguments for
4041         no return value pattern.
4042
4043 2005-05-10  Grigory Zagorodnev  <grigory.zagorodnev@intel.com>
4044             H.J. Lu  <hongjiu.lu@intel.com>
4045
4046         * libgcov.c (create_file_directory): New function. Create
4047         directory for the given file name.
4048         (gcov_max_filename): New static var. Keeps size of the longest
4049         file name.
4050         (gcov_exit): Always try to create directory for output
4051         file. Relocate each filename basing on environment vars.
4052         (__gcov_init): Remember the longest file name.
4053         * tsystem.h: include filenames.h to get IS_DIR_SEPARATOR
4054         * doc/gcov.texi (Cross-profiling): New node documenting
4055         cross-profiling management.
4056         * doc/invoke.texi (-fprofile-arcs): Add xref to cross-profiling.
4057
4058 2005-05-10  Eric Botcazou  <ebotcazou@libertysurf.fr>
4059
4060         * config/sparc/sparc.c (mem_min_alignment): Do not rely
4061         on MEM_ALIGN if TARGET_UNALIGNED_DOUBLES.
4062
4063 2005-05-10  Bob Wilson  <bob.wilson@acm.org>
4064
4065         * config/xtensa/lib1funcs.asm (__udivsi3, __divsi3): Rearrange special
4066         case code to avoid one move instruction.
4067         (__umodsi3, __modsi3): Merge duplicated code sequences.
4068
4069 2005-05-10  Kazu Hirata  <kazu@cs.umass.edu>
4070
4071         * config/mips/24k.md, config/sh/divtab.c, config/sh/sh.c,
4072         config/sh/sh.md, config/sh/superh.h: Fix comment typos.
4073         * doc/invoke.texi: Fix typos.
4074
4075         * tree-data-ref.c (analyze_array_indexes, analyze_array,
4076         init_data_ref, access_functions_are_affine_or_constant_p,
4077         free_data_refs): Use VEC instead of VARRAY.
4078         * tree-data-ref.h (data_reference): Change the type of
4079         access_fns to VEC(tree,gc)*.
4080         (DR_ACCESS_FN, DR_NUM_DIMENSIONS): Use VEC instead of VARRAY.
4081
4082 2005-05-10  Gabor Loki <loki@gcc.gnu.org>
4083
4084         PR c/17913
4085         * c-typeck.c (build_conditional_expr): Remove reducing cond_expr.
4086         * fold-const.c (fold): Expand the condition of reducing cond_expr.
4087         (contains_label_1, contains_label_p): New functions for checking
4088         labels in a sub-tree.
4089
4090 2005-05-10  Joseph S. Myers  <joseph@codesourcery.com>
4091
4092         PR c/21342
4093         * c-decl.c (pushdecl): When there is a declaration in the current
4094         scope and the declarations are external linkage, check for
4095         compatibility with the type in the external scope and update the
4096         type in the external scope with the composite type information.
4097         Do not form a composite type of the new type and the visible type
4098         if they are incompatible.
4099
4100 2005-05-10  Nathan Sidwell  <nathan@codesourcery.com>
4101
4102         * crtstuff.c: Revert part of 2005-05-08 Change.
4103         (IN_LIBGCC2): Define.
4104
4105 2005-05-10  Eric Botcazou  <ebotcazou@libertysurf.fr>
4106
4107         * config/sparc/sparc.c (fp_sethi_p): Test !SPARC_SIMM13_P and
4108         remove redundant test.
4109         (fp_mov_p): Accept 0.
4110         (fp_high_losum_p): Remove redundant test.
4111         * config/sparc/predicates.md (const_high_operand): Explicitly test
4112         (not small_int_operand).
4113         (fp_const_high_losum_operand): New.
4114         * config/sparc/sparc.md (movsi_insn): Do not emit 'clr'.  Reorder.
4115         (movdi_insn_sp32_v9): Use canonical predicates.
4116         (movdi_insn_sp32): Test !TARGET_V9 instead of !TARGET_ARCH64.
4117         (movdi_insn_sp64_novis): Delete.
4118         (movdi_insn_sp64_vis): Rename into movdi_insn_sp64.
4119         (movsf_insn_novis): Delete.
4120         (movsf_insn_vis): Rename into movsf_insn.
4121         (movsf_no_f_insn): Rename into movsf_insn_no_fpu.
4122         (movsf_lo_sum): Use fp_const_high_losum_operand.
4123         (movsf_high): Likewise.
4124         (movsf_high_losum splitter): Likewise.
4125         (mov<V32:mode> expander): Use register_or_zero_operand.
4126         (mov<V64:mode> expander): Likewise.
4127         (movdf_insn_sp32): Use register_or_zero_operand.
4128         (movdf_no_e_insn_sp32): Use register_or_zero_operand.
4129         Rename into movdf_insn_sp32_no_fpu.
4130         (movdf_no_e_insn_v9_sp32): Use register_or_zero_operand.
4131         Rename into movdf_insn_sp32_v9_no_fpu.
4132         (movdf_insn_v9only_novis): Delete.
4133         (movdf_insn_v9only_vis): Rename into movdf_insn_sp32_v9.
4134         (movdf_insn_sp64_novis): Delete.
4135         (movdf_insn_sp64_vis): Rename into movdf_insn_sp64.
4136         (movdf_no_e_insn_sp64): Use register_or_zero_operand.
4137         Rename into movdf_insn_sp64_no_fpu.
4138         (movtf expander): Use register_or_zero_operand.
4139         (movtf_insn_sp32): Delete.
4140         (movtf_insn_vis_sp32): Use register_or_zero_operand.
4141         Rename into movtf_insn_sp32.
4142         (movtf_no_e_insn_sp32): Use register_or_zero_operand.
4143         Rename into movtf_insn_sp32_no_fpu.
4144         (movtf_insn_hq_sp64): Delete.
4145         (movtf_insn_hq_vis_sp64): Use register_or_zero_operand.
4146         Rename into movtf_insn_sp64_hq.
4147         (movtf_insn_sp64): Delete.
4148         (movtf_insn_vis_sp64): Use register_or_zero_operand.
4149         Rename into movtf_insn_sp64.
4150         (movtf_no_e_insn_sp64): Use register_or_zero_operand.
4151         Rename into movtf_insn_sp64_no_fpu.
4152
4153 2005-05-10  Nathan Sidwell  <nathan@codesourcery.com>
4154
4155         * config/stormy16/stormy16.c (xstormy16_emit_cbranch): Use
4156         gcc_assert and gcc_unreachable as appropriate.
4157         (xstormy16_split_cbranch, xstormy16_output_cbranch_hi,
4158         xstormy16_output_cbranch_si, xstormy16_split_move,
4159         xstormy16_initial_elimination_offset,
4160         xstormy16_encode_section_info, xstormy16_print_operand_address,
4161         xstormy16_expand_call, xstormy16_expand_arith,
4162         xstormy16_output_shift, xstormy16_init_builtins): Likewise.
4163
4164 2005-05-10  Kazu Hirata  <kazu@cs.umass.edu>
4165
4166         * tree-outof-ssa.c (_elim_graph): Change the type of nodes and
4167         const_copies to VEC(tree,heap)*.
4168         (new_elim_graph, delete_elim_graph, elim_graph_size,
4169         elim_graph_add_node, eliminate_build, eliminate_phi): Use VEC
4170         instead of VARRAY.
4171
4172 2005-05-10  Joseph S. Myers  <joseph@codesourcery.com>
4173
4174         PR other/21052
4175         * doc/extend.texi (Type Attributes): Correct example syntax.
4176
4177 2005-05-09  Joseph S. Myers  <joseph@codesourcery.com>
4178
4179         PR c/21160
4180         * doc/invoke.texi (-Wuninitialized): Update documentation.
4181
4182 2005-05-09  Richard Earnshaw  <richard.earnshaw@arm.com>
4183
4184         * arm.c (const_ok_for_arm): Use a faster algorithm.
4185
4186 2005-05-09  David Edelsohn  <edelsohn@gnu.org>
4187
4188         PR target/21477
4189         * config/rs6000/rs6000.md (add_op2): New.
4190         (add<mode>3): Use it.
4191
4192 2005-05-09  Richard Earnshaw  <richard.earnshaw@arm.com>
4193
4194         * arm.c (arm_gen_constant): Add new heuristic for generating
4195         constant integers that can be expressed as the difference of two
4196         valid immediates.
4197
4198 2005-05-09  Roger Sayle  <roger@eyesopen.com>
4199
4200         * c-tree.h (parser_build_unary_op): New prototype.
4201         * c-typeck.c (parser_build_unary_op): New function to construct
4202         a unary operation in the C parser.
4203         * c-parser.c (c_parser_unary_expression):  Use the new function
4204         parser_build_unary_op when appropriate.
4205
4206 2005-05-09  Mark Mitchell  <mark@codesourcery.com>
4207
4208         PR 18655
4209         * dwarf2out.c (output_call_frame_info): Use DWARF2_FRAME_REG_OUT
4210         before outputting DWARF_FRAME_RETURN_COLUMN.
4211
4212 2005-05-09  Adrian Straetling  <straetling@de.ibm.com>
4213
4214         * config/s390/s390.c: (s390_branch_condition_mask,
4215         s390_branch_condition_mnemonic, s390_extra_constraint_str,
4216         s390_const_ok_for_constraint_p, s390_expand_plus_operand,
4217         legitimize_pic_address, s390_emit_tls_call_insn,
4218         legitimize_tls_address, legitimize_tls_address,
4219         s390_expand_addcc, print_shift_count_operand, print_operand,
4220         addr_generation_dependency_p, annotate_constant_pool_refs,
4221         s390_split_branches, find_constant_pool_ref,
4222         replace_constant_pool_ref, s390_add_constant, s390_find_constant,
4223         s390_find_execute, s390_mainpool_start, s390_chunkify_start,
4224         s390_output_pool_entry, s390_function_value,
4225         s390_call_saved_register_used, s390_emit_call): Replace
4226         conditional aborts by gcc_assert and unconditional by gcc_unreachable.
4227         (s390_select_ccmode, s390_match_ccmode_set, s390_extract_part,
4228         s390_cannot_force_const_mem, s390_output_dwarf_dtprel,
4229         get_some_local_dynamic_name, s390_function_arg_size,
4230         s390_function_arg_advance, s390_function_arg,
4231         s390_expand_builtin, s390_gen_rtx_const_DI): Replace abort in
4232         default case by gcc_unreachable.
4233         * config/s390/s390.md: ("*cjump_31", "*icjump_31", "*jump31"): Replace
4234         conditional abort by gcc_assert.
4235         ("doloop_si31"): Replace abort in last else by gcc_unreachable.
4236         ("main_pool", "pool"): Replace unconditional abort by gcc_unreachable.
4237
4238 2005-05-09  Adrian Straetling  <straetling@de.ibm.com>
4239
4240         * config/s390/s390.c: (s390_decompose_address,
4241         tls_symbolic_operand, legitimate_pic_operand_p,
4242         legitimate_constant_p, legitimate_reload_constant_p,
4243         s390_expand_plus_operand, legitimate_address_p,
4244         legitimate_la_operand_p, ): Remove 'register' from signature.
4245         (symbolic_reference_mentioned_p,
4246         tls_symbolic_reference_mentioned_p): Remove 'register' from local
4247         variable declarations.
4248         (legitimize_address): Remove 'register' from
4249         signature and local variable declarations.
4250
4251 2005-05-09  Adrian Straetling  <straetling@de.ibm.com>
4252
4253         * config/s390/s390-protos.h: (s390_match_ccmode,
4254         s390_match_ccmode_set, reg_used_in_mem_p,
4255         symbolic_reference_mentioned_p, tls_symbolic_reference_mentioned_p,
4256         legitimate_la_operand_p, preferred_la_operand_p,
4257         s390_short_displacement, addr_generation_dependency_p,
4258         legitimate_reload_constant_p, legitimate_address_p): Change return type
4259         into 'bool'.
4260         (s390_tm_ccmode): Change type of parameter "mixed" into 'bool'.
4261         * config/s390/s390.c: (s390_match_ccmode,
4262         symbolic_reference_mentioned_p, tls_symbolic_reference_mentioned_p,
4263         legitimate_reload_constant_p): Change return type into 'bool'.
4264         (preferred_la_operand_p,legitimate_la_operand_p, legitimate_address_p):
4265         Likewise.  Additionally adapted comment.
4266         (s390_extra_constraint_p): Change Comment to reflect 'int' return type.
4267         (s390_tm_ccmode): Change type of parameter "mixed" into 'bool'.
4268         (s390_decompose_address): Change the type of the internal flags
4269         "pointer", "base_ptr", "indx_ptr", and the return value into 'bool'.
4270         (struct s390_address): Change type of "pointer" into bool.
4271         * config/s390/s390.md: ("*tmdi_reg", "*tmsi_reg", "tm<mode>_full"):
4272         Adapt calls for 's390_tm_ccmode' to the new signature.
4273
4274 2005-05-09  Adrian Straetling  <straetling@de.ibm.com>
4275
4276         * config/s390/s390.c: (s390_match_ccmode_set,
4277         s390_branch_condition_mnemonic, s390_short_displacement,
4278         s390_decompose_address, get_thread_pointer, legitimize_tls_address,
4279         print_shift_count_operand, get_some_local_dynamic_name,
4280         get_some_local_dynamic_name_1, reg_used_in_mem_p,
4281         addr_generation_dependency_p, s390_split_branches,
4282         annotate_constant_pool_refs, find_constant_pool_ref,
4283         replace_constant_pool_ref, find_ltrel_base, replace_ltrel_base,
4284         s390_optimize_prologue, find_unused_clobbered_reg, s390_frame_area,
4285         s390_register_info, s390_frame_info, s390_init_frame_layout,
4286         s390_update_frame_layout, save_fpr, restore_fpr, save_gprs,
4287         restore_gprs, s390_function_arg_size, s390_function_arg_float,
4288         s390_init_machine_status, s390_assemble_integer, s390_handle_option,
4289         s390_encode_section_info, s390_cannot_force_const_mem,
4290         s390_delegitimize_address, s390_return_in_memory, s390_init_builtins,
4291         s390_expand_builtin, s390_output_mi_thunk, s390_safe_attr_type,
4292         s390_adjust_priority, s390_issue_rate,
4293         s390_first_cycle_multipass_dfa_lookahead, s390_cannot_copy_insn_p,
4294         s390_rtx_costs, s390_address_cost, s390_reorg, s390_valid_pointer_mode,
4295         s390_build_builtin_va_list, s390_gimplify_va_arg,
4296         s390_function_ok_for_sibcall, s390_call_saved_register_used,
4297         s390_pass_by_reference, s390_fixed_condition_code_regs,
4298         s390_cc_modes_compatible s390_mainpool_start,, s390_mainpool_finish,
4299         s390_mainpool_cancel, s390_chunkify_start, s390_chunkify_finish,
4300         s390_chunkify_cancel, s390_start_pool, s390_end_pool,
4301         s390_add_pool_insn, s390_find_pool, s390_add_constant,
4302         s390_find_constant, s390_add_execute, s390_find_execute,
4303         s390_execute_label, s390_execute_target, s390_dump_pool,
4304         s390_dump_execute, s390_alloc_pool, s390_free_pool): Remove prototypes.
4305         Move target macro definitions to the end of the file.  Move several
4306         functions within the file to assure correct compiling.
4307
4308 2005-05-09  Steven Bosscher  <stevenb@suse.de>
4309
4310         * calls.c (purge_reg_equiv_notes): Remove, fold into...
4311         (fixup_tail_calls): ...here.  Only look at insns between the
4312         start of the function and the FUNCTION_BEG insn note.
4313
4314         * gcse.c (one_cprop_pass): Fix typos in dumps.
4315
4316         * tree-ssa-operands.h (FOR_EACH_PHI_ARG): Fix typos.
4317
4318 2005-05-09  Adrian Straetling  <straetling@de.ibm.com>
4319
4320         * config/s390/s390.h: Move xxx_REGNUM definitions to s390.md.
4321         * config/s390/s390.md: ("SIBCALL_REGNUM", "BASE_REGNUM",
4322         "RETURN_REGNUM", "CC_REGNUM", "TP_REGNUM"): New constants.
4323         Replace every occurrence of '(reg:<MODE> 33)' by '(reg:<MODE>
4324         CC_REGNUM)'.
4325         ("get_tp_64", "get_tp_31", "set_tp_64", "set_tp_31"): Replace
4326         '(reg:<MODE> 36)' by '(reg:<MODE> TP_REGNUM)'.
4327         ("*sibcall_br", "*sibcall_value_br"): Replace '(reg:DI 1)' by '(reg:DI
4328         REG_SC)'.
4329
4330 2005-05-09  Adrian Straetling  <straetling@de.ibm.com>
4331
4332         * config/s390/s390.md: ("gf") New mode attribute.
4333         ("fixuns_truncdfdi2", "fixuns_truncdfsi2", "fixuns_truncsfdi2",
4334         "fixuns_truncsfsi2"): Merge.
4335         ("fix_truncdfdi2", "fix_truncsfdi2"): Merge.
4336         ("fix_truncdfdi2_ieee", "fix_truncdfsi2_ieee", "fix_truncsfdi2_ieee",
4337         "fix_truncsfsi2_ieee"): Merge.
4338
4339 2005-05-09  Adrian Straetling  <straetling@de.ibm.com>
4340
4341         * config/s390/s390.md: ("FPR") New mode macro.
4342         ("de", "dee"): New mode attributes.
4343         ("cmpdf", "cmpsf"): Merge.
4344         ("*cmpdf_ccs_0", "*cmpsf_ccs_0"): Merge.
4345         ("*cmpdf_ccs_0_ibm", "*cmpdf_ccs_0_ibm"): Merge.
4346         ("*cmpdf_ccs", "*cmpsf_ccs"): Merge.
4347         ("*cmpdf_ccs_ibm", "*cmpsf_ccs_ibm"): Merge.
4348         ("floatdidf2", "floatdisf2"): Merge.
4349         ("adddf3", "addsf3"): Merge.
4350         ("*adddf3", "*addsf3"): Merge.
4351         ("*adddf3_cc", "*addsf3_cc"): Merge.
4352         ("*adddf3_cconly", "*addsf3_cconly"): Merge.
4353         ("*adddf3_ibm", "*addsf3_ibm"): Merge.
4354         ("subdf3", "subsf3"): Merge.
4355         ("*subdf3", "*subsf3"): Merge.
4356         ("*subdf3_cc", "*subsf3_cc"): Merge.
4357         ("*subdf3_cconly", "*subsf3_cconly"): Merge.
4358         ("*subdf3_ibm", "*subsf3_ibm"): Merge.
4359         ("muldf3", "mulsf3"): Merge.
4360         ("*muldf3", "*mulsf3" "): Merge.
4361         ("*muldf3_ibm", "*mulsf3_ibm"): Merge.
4362         ("*fmadddf", "*fmaddsf"): Merge.
4363         ("*fmsubdf", "*fmsubsf"): Merge.
4364         ("divdf3", "divsf3"): Merge.
4365         ("*divdf3", "*divsf3"): Merge.
4366         ("*divdf3_ibm", "*divsf3_ibm"): Merge.
4367         ("negdf2", "negsf2"): Merge.
4368         ("*negdf2_cc", "*negsf2_cc"): Merge.
4369         ("*negdf2_cconly", "*negsf2_cconly"): Merge.
4370         ("*negdf2", "*negsf2"): Merge.
4371         ("*negdf2_ibm", "*negsf2_ibm"): Merge.
4372         ("absdf2", "abssf2"): Merge.
4373         ("*absdf2_cc", "*abssf2_cc"): Merge.
4374         ("*absdf2_cconly", "*abssf2_cconly"): Merge.
4375         ("*absdf2", "*abssf2"): Merge.
4376         ("*absdf2_ibm", "*abssf2_ibm"): Merge.
4377         ("*negabsdf2_cc", "*negabssf2_cc"): Merge.
4378         ("*negabsdf2_cconly", "*negabssf2_cconly"): Merge.
4379         ("*negabsdf2", "*negabssf2"): Merge.
4380         ("sqrtdf2", "sqrtsf2"): Merge.
4381
4382 2005-05-09  Adrian Straetling  <straetling@de.ibm.com>
4383
4384         * config/s390/s390.c: (s390_adjust_priority): Adapt to changed
4385         attribute names.
4386         * config/s390/2084.md: ("x_fsimpd", "x_fsimps", "x_fdivd", "x_fdivs",
4387         "x_floadd", "x_floads", "x_fstored", "x_fstores"): Rename to
4388         ("x_fsimpdf", "x_fsimpsf", "x_fdivdf", "x_fdivsf", "x_floaddf",
4389         "x_floadsf", "x_fstoredf", "x_fstoresf") and replace 'type'
4390         attribute names.
4391         * config/s390/s390.md: ("type"): Rename "fsimpd, fsimps, floadd, floads,
4392         fstored, fstores, fmuld, fmuls, fdivd, fdivs, fsqrtd, fsqrts" to
4393         "fsimpdf, fsimpsf, floaddf, floadsf, fstoredf, fstoresf, fmuldf,
4394         fmulsf, fdivdf, fdivsf, fsqrtdf, fsqrtsf".
4395         ("*cmpdf_ccs_0", "*cmpdf_css_0_ibm", "*cmpdf_ccs",
4396         "*cmpdf_ccs_ibm", "*cmpsf_ccs_0", "*cmpsf_css_0_ibm",
4397         "*cmpsf_ccs", "*cmpsf_ccs_ibm", "*movdi_64", "*movdi_31",
4398         "*movsi_zarch", "*movsi_esa", "*movdf_64", "*movdf_31", "movsf",
4399         "*muldf3", "*muldf3_ibm", "*fmadddf", "*fmsubdf", "*mulsf3",
4400         "mulsf3_ibm", "*fmaddsf", "fmsubsf", "*divdf3", "*divdf3_ibm",
4401         "*negdf2_cc", "*negdf2_cconly", "*negdf2", "*negdf2_ibm",
4402         "*negsf2_cc", "*negsf2_cconly", "*negsf2", "*absdf2_cc",
4403         "*absdf2_cconly", "*absdf2", "*absdf2_ibm", "*abssf2_cc",
4404         "*abssf2_cconly", "*abssf2", "*abssf2_ibm", "*negabsdf2_cc",
4405         "*negabsdf2_cconly", "*negabsdf2", "*negabssf2_cc",
4406         "*negabssf2_cconly", "*negabssf2", "sqrtdf2", "sqrtsf2"): Rename
4407         'type' value.
4408         ("*divsf3"): Additionally rename second pattern to
4409         "*divsf3_ibm".
4410         ("truncdfsf2_ibm", "extendsfdf2_ieee", "extendsfdf2_ibm",
4411         "*adddf3", "*adddf3_cc", "*adddf3_cconly", "*adddf3_ibm",
4412         "*addsf3", "*addsf3_cc", "*addsf3_cconly", "*subdf3",
4413         "subdf3_cc", "*subdf3_cconly", "*subdf3_ibm", "*subsf3",
4414         "subsf3_cc", "*subsf3_cconly", "*subsf3_ibm"): Merge identical
4415         'type values' and rename 'type' value.
4416         ("*addsf3"): Additionally rename second pattern to
4417         "*addsf3_ibm".
4418
4419 2005-05-09  Adrian Straetling  <straetling@de.ibm.com>
4420
4421         * config/s390/s390.md: ("SHIFT"): New mode macro.
4422         ("lr", "shift"): New mode attributes.
4423         ("ashldi3", "lshrdi3"): Merge.
4424         ("*ashldi3_31", "*lshrdi3"_31): Merge.
4425         ("*ashldi3_64", "*lshrdi3"_64): Merge.
4426         ("ashlsi3", "lshrsi3"): Merge.
4427
4428 2005-05-09  Adrian Straetling  <straetling@de.ibm.com>
4429
4430         * config/s390/s390.md: ("DSI", "SCOND"): New mode
4431         macros.
4432         ("E", "g"): New mode attributes.
4433         ("*adddi3_alc_cc", "*addsi3_alc_cc"): Merge.
4434         ("*adddi3_alc", "*addsi3_alc"): Merge.
4435         ("*subdi3_slb_cc", "*subsi3_slb_cc"): Merge.
4436         ("*subdi3_slb", "*subsi3_slb"): Merge.
4437         ("adddicc", "addsicc"): Merge.
4438         ("*sconddi", "*scondsi"): Merge.
4439         ("*sconddi_neg", "*scondsi_neg"): Merge.
4440         ("sltu", "sgtu", "sleu", "sgeu"): Merge.
4441         ("negdi2", "negsi2"): Extract expander pattern from
4442         "negsi2" and merge with "negdi2".
4443         ("*negdi2"): Merge with instruction pattern of "negsi2".
4444         ("*negdi2_cc", "*negsi2_cc"): Merge.
4445         ("*negdi2_cconly", "*negsi2_cconly"): Merge.
4446         ("rotldi3", "rotlsi3"): Merge.
4447
4448 2005-05-09  Adrian Straetling  <straetling@de.ibm.com>
4449
4450         * config/s390/s390.md: ("hc"): New mode attribute.
4451         ("extendhidi2", "extendqidi2"): Merge.
4452         ("*extendhidi2", "*extendqidi2"): Merge.
4453         ("extendhisi2", "extendqisi2"): Merge.
4454         ("zero_extendhidi2", "zero_extendqidi2"): Merge.
4455         ("*zero_extendhidi2", "*zero_extendqidi2"): Merge.
4456         Merged 2 define_split.
4457         ("*zero_extendhisi2", "*zero_extendqisi2"): Merge.
4458         ("*zero_extendhisi2_64", "*zero_extendqisi2_64"): Merge.
4459
4460 2005-05-09  Adrian Straetling  <straetling@de.ibm.com>
4461
4462         * config/s390/s390.md: ("COMPARE"): New mode macro.
4463         ("beq", "bne", "bgt", "bgtu", "blt", "bltu", "bge", "bgeu",
4464         "ble", "bleu", "bunordered", "bordered", "buneq", "bunlt",
4465         "bungt", "bunle", "bunge", "bltgt"): Merge.
4466
4467 2005-05-09  Adrian Straetling  <straetling@de.ibm.com>
4468
4469         * config/s390/s390.md: ("INT"): New mode macro.
4470         ("one_cmpldi2", "one_cmplsi2", "one_cmplhi2", "one_cmplqi2"):
4471         Merge.
4472
4473 2005-05-09  Adrian Straetling  <straetling@de.ibm.com>
4474
4475         * config/s390/s390.md: ("GPR", "P"): New mode macros.
4476         ("cmpdi", "cmpsi"): Merge.
4477         ("strlendi", "strlensi"): Merge.
4478         ("*strlendi", "*strlensi"): Merge.
4479         ("movmemdi", "movmemsi"): Merge.
4480         ("clrmemdi", "clrmemsi"): Merge.
4481
4482 2005-05-09  Adrian Straetling  <straetling@de.ibm.com>
4483
4484         * config/s390/s390.md: ("HQI"): New mode macro.
4485         ("icm_lo", "icm_hi", "max_uint"): New mode attributes.
4486         ("*tmhi_full", "*tmqi_full"): Merge.
4487         ("*tsthiCCT", "*tstqiCCT"): Merge.
4488         ("*tsthi", "*tstqi"): Merge.
4489         ("*tsthi_cconly", "tstqi_cconly"): Merge.
4490         ("*sethighhisi", "*sethighqisi"): Merge.
4491
4492 2005-05-09  Kazu Hirata  <kazu@cs.umass.edu>
4493
4494         * crtstuff.c, integrate.h, tree-scalar-evolution.h,
4495         config/alpha/unicosmk.h, config/arc/arc.md,
4496         config/arm/bpabi.h, config/arm/coff.h, config/arm/elf.h,
4497         config/arm/ieee754-df.S, config/arm/ieee754-sf.S,
4498         config/arm/netbsd.h, config/arm/pe.c, config/arm/pe.h,
4499         config/arm/semi.h, config/arm/uclinux-elf.h,
4500         config/arm/wince-pe.h, config/fr30/fr30.c,
4501         config/rs6000/altivec.h: Update copyright.
4502
4503 2005-05-09  Nathan Sidwell  <nathan@codesourcery.com>
4504
4505         * config/pdp11/pdp11.c (pdp11_output_function_prologue): Use
4506         gcc_assert and gcc_unreachable as appropriate.
4507         (pdp11_output_function_epilogue, output_move_double,
4508         output_move_quad, print_operand_address, output_jump,
4509         output_addr_const_pdp11): Likewise.
4510         * config/pdp11/pdp11.h (FUNCTION_PROFILER,
4511         ASM_OUTPUT_ALIGN): Likewise.
4512         * config/pdp11/pdp11.md: Likewise.
4513         (extendhisi2, subhi3, subqi3): Likewise.
4514
4515 2005-05-09  David Edelsohn  <edelsohn@gnu.org>
4516
4517         PR middle-end/21237
4518         * dojump.c (do_jump, MINUS_EXPR): Build NE_EXPR and fall through
4519         to NE_EXPR case.
4520
4521 2005-05-09  Kazu Hirata  <kazu@cs.umass.edu>
4522
4523         * config/ia64/ia64.c: Fix a comment typo.
4524
4525 2005-05-09  Richard Earnshaw  <rearnsha@arm.com>
4526
4527         PR target/21397
4528         * arm.c (ARM_OPT_SET_CPU, ARM_OPT_SET_ARCH, ARM_OPT_SET_TUNE): Define.
4529         (arm_override_options): Use them instead of manifest constants.  Don't
4530         allow -march to override the -mtune setting.
4531
4532 2005-05-09  Nathan Sidwell  <nathan@codesourcery.com>
4533
4534         * config/iq2000/iq2000.c (abort_with_insn): Use fancy_abort.
4535         (gen_int_relational): Use gcc_unreachable and gcc_assert as necessary.
4536         (function_arg_advance, function_arg, save_restore_insns,
4537         iq2000_expand_prologue, iq2000_output_conditional_branch,
4538         expand_one_builtin, print_operand):
4539         * config/iq2000/iq2000.md (tablejump): Likewise.
4540
4541 2005-05-09  David Ung  <davidu@mips.com>
4542
4543         * config/mips/mips.h (processor_type): Add names for the 24K.
4544         * config/mips/mips.c (mips_cpu_info_table): Add names for the 24K
4545         processor family.
4546         * config/mips/mips.md (cnv_mode): New attribute for recording the
4547         conversion types of float convert insns.
4548         (cpu): Add 24k and 24kx.
4549         (include): Include 24k.md file.
4550         (truncdfsf2, extendsfdf2, fix_truncdfsi2_insn, fix_truncdfsi2_macro)
4551         (fix_truncdfdi2, fix_truncsfdi2, floatsidf2, floatdidf2, floatsisf2)
4552         (floatdisf2): Setup cnv_mode.
4553         (fix_truncsfsi2_insn, fix_truncsfsi2_macro): Changed mode to SF and
4554         setup cnv_mode.
4555         * config/mips/24k.md: New file, contains 24k DFA pipeline
4556         description.
4557
4558 2005-05-09  Nathan Sidwell  <nathan@codesourcery.com>
4559
4560         * config/sh/sh.c (print_operand_address): Use gcc_assert and
4561         gcc_unreachable as appropriate.
4562         (print_operand, prepare_move_operands, prepare_scc_operands,
4563         output_movedouble, output_branch, shift_insns_rtx, gen_shifty_op,
4564         gen_shl_and, shl_sext_kind, gen_datalabel_ref, dump_table,
4565         fixup_mova, gen_far_branch, sh_reorg, split_branches,
4566         final_prescan_insn, output_stack_adjust, sh_expand_epilogue,
4567         sh_set_return_address, sh_setup_incoming_varargs,
4568         initial_elimination_offset, sh_pch_valid_p, get_free_reg,
4569         sh_expand_builtin, sh_output_mi_thunk, extract_sfunc_addr,
4570         check_use_sfunc_addr): Likewise.
4571         * config/sh/netbsd-elf.h (FUNCTION_PROFILER): Likewise.
4572         * config/sh/sh.h (ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): Likewise.
4573         * config/sh/symbian.c (sh_symbian_mark_dllexport,
4574         sh_symbian_mark_dllimport): Likewise.
4575         * config/sh/sh.md: Likewise.
4576         (movdicc, call_pop, call_value_pop, casesi_worker_1,
4577         casesi_worker_2, casesi_shift_media, casesi_load_media,
4578         return_media): Likewise.
4579
4580 2005-05-08  Roger Sayle  <roger@eyesopen.com>
4581
4582         PR inline-asm/8788
4583         * stmt.c (expand_asm_operands): Avoid calling force_reg on BLKmode
4584         operands.
4585
4586 2005-05-08  Richard Henderson  <rth@redhat.com>
4587
4588         * config/alpha/alpha.c (adjust_address): Fix typo last change.
4589
4590 2005-05-08  Stephane Carrez  <stcarrez@nerim.fr>
4591
4592         * config/m68hc11/m68hc11.h (REG_VALID_P): A regno must be >= 0
4593         and -1 can happen in reg_renumber when no hard register is assigned.
4594
4595 2005-05-08  Steven Bosscher  <stevenb@suse.de>
4596             Kazu Hirata  <kazu@cs.umass.edu>
4597
4598         PR tree-optimization/14841, tree-optimization/15838
4599         * tree-ssa-ccp.c (fold_const_aggregate_ref): New.
4600         (evaluate_stmt): Call it.
4601
4602 2005-05-08  Jakub Jelinek  <jakub@redhat.com>
4603
4604         * config/ia64/ia64.c (ia64_override_options): Don't set
4605         ia64_flag_var_tracking and clear flag_var_tracking here...
4606         (ia64_file_start): ... but here.
4607
4608 2005-05-08  Nathan Sidwell  <nathan@codesourcery.com>
4609
4610         * config/m68hc11/m68hc11.c (m68hc11_emit_libcall): Use gcc_assert
4611         and gcc_unreachable as appropriate.
4612         (expand_prologue, expand_epilogue, m68hc11_gen_lowpart,
4613         m68hc11_gen_highpart, print_operand, print_operand_address,
4614         m68hc11_expand_compare, m68hc11_expand_compare_and_branch,
4615         m68hc11_gen_movhi): Likewise.
4616         * config/m68hc11/m68hc11.h (HARD_X_REGNUM): Reword comment.
4617         * config/m68hc11/m68hc11.md: Reword comment.
4618
4619 2005-05-08  Stephane Carrez  <stcarrez@nerim.fr>
4620
4621         PR target/21281
4622         * config/m68hc11/predicates.md (splitable_operand): An immediate is
4623         allowed.
4624
4625 2005-05-08  Stephane Carrez  <stcarrez@nerim.fr>
4626
4627         * config/m68hc11/predicates.md (reg_or_some_mem_operand): Do not allow
4628         the 68HC12 address indirect addressing mode as it is not supported by
4629         bset and bclr.
4630         * config/m68hc11/m68hc11-protos.h
4631         (m68hc11_valid_addressing_p): Declare.
4632         (m68hc11_add_mode): Declare.
4633         * config/m68hc11/m68hc11.c (m68hc11_valid_addressing_p): Rename from
4634         register_indirect_p and export it.
4635         (m68hc11_z_replacement): Use emit_insn_after when adding the save Z
4636         instruction so that it is part of the good BB.
4637         (m68hc11_gen_movhi): Fix invalid generation of indexed indirect
4638         addressing with movw.
4639         (m68hc11_gen_movqi): Use pula and pulb instead of lda and ldb for
4640         68HC12.
4641         * config/m68hc11/m68hc11.h (ADDR_STRICT, ADDR_INCDEC, ADDR_INDEXED,
4642         ADDR_OFFSET, ADDR_INDIRECT, ADDR__CONST): Moved from m68hc11.c.
4643         * config/m68hc11/m68hc11.md ("movhi_const0"): Use this pattern only
4644         for 68HC11.
4645         ("*movhi_68hc12"): Handle movhi_const0.
4646         ("*subhi3", "subqi3"): Use general_operand for operand 1.
4647         ("*subhi3_zext"): Likewise.
4648
4649 2005-05-08  Stephane Carrez  <stcarrez@nerim.fr>
4650
4651         PR target/19051
4652         * config/m68hc11/m68hc11.md ("mulqi3"): Use general_operand for
4653         operand 1 and fix constraints.
4654         ("mulqihi3"): Use general_operand for operand 2.
4655
4656 2005-05-08  Julian Brown  <julian@codesourcery.com>
4657             H.J. Lu  <hongjiu.lu@intel.com>
4658             Paul Brook  <paul@codesourcery.com>
4659
4660         * configure.ac: Set ld_vers_major, ld_vers_minor and ld_vers_patch for
4661         GNU linker. Support linker version x.x.x.x.x. Require GNU linker
4662         20050308/2.16.0 or newer for comdat group.
4663         * configure: Regenerated.
4664         * config.in: Regenerated.
4665         * varasm.c (default_function_rodata_section): Put .rodata section in
4666         COMDAT group when necessary.
4667         (default_elf_asm_named_section): Rename HAVE_GAS_COMDAT_GROUP to
4668         HAVE_COMDAT_GROUP.
4669         (default_unique_section_1): Don't use .gnu.linkonce when COMDAT is
4670         available.
4671
4672 2005-05-08  Kazu Hirata  <kazu@cs.umass.edu>
4673
4674         * tree-dfa.c (referenced_vars, add_referenced_var): Use VEC
4675         instead of VARRAY.
4676         * tree-flow.h (num_referenced_var, referenced_var): Likewise.
4677         * tree-into-ssa.c (mark_def_site_blocks): Likewise.
4678         * tree-ssa.c (init_tree_ssa, delete_tree_ssa): Likewise.
4679         * tree-tailcall.c (suitable_for_tail_opt_p): Likewise.
4680
4681 2005-05-08  Stephane Carrez  <stcarrez@nerim.fr>
4682
4683         PR target/16925
4684         * config/m68hc11/m68hc11.c (m68hc11_gen_highpart): Handle split of
4685         64-bit constants on 64-bit hosts.
4686         (m68hc11_split_logical): Simplify.
4687         (m68hc11_split_move): Likewise.
4688
4689 2005-05-08  Nathan Sidwell  <nathan@codesourcery.com>
4690             Paolo Bonzini  <bonzini@gnu.org>
4691
4692         * Makefile.in (cs-tconfig.h): Pass USED_FOR_TARGET to mkconfig.sh
4693         * aclocal.m4 (GCC_TARGET_TEMPLATE, AH_TEMPLATE): New.
4694         * configure.ac (enable_checking): Fix typos in runtime_checking.
4695         (ENABLE_RUNTIME_CHECKING): Mark as target template.
4696         (xm_file): Prepend auto-host.h
4697         (HAVE_GAS_HIDDEN, HAVE_LD_EH_FRAME_HDR): Mark as target template.
4698         * mkconfig.sh: Do not automatically define USED_FOR_TARGET in
4699         tconfig.h.
4700         * crtstuff.c: Do not include auto-host.h.
4701         (IN_LIBGCC2): Do not define.
4702         * gcov-io.h: Include tconfig.h, not auto-host.h.
4703         * libgcc2.c: Do not include auto-host.h.
4704         (abort): Do not undefine.
4705         * libgcov.c: Remove unneeded comment about config.h.
4706         * unwind-dw2-fde-glibc.c: Do not inlude auto-host.h.
4707         * config.in, configure: Regenerated.
4708
4709 2005-05-08  Nathan Sidwell  <nathan@codesourcery.com>
4710             Falk Hueffner  <falk@debian.org>
4711
4712         * config/alpha/alpha.c (tls_symbolic_operand_1): Use gcc_assert
4713         and gcc_unreachable as appropriate.
4714         (get_aligned_mem, get_unaligned_address,
4715         alpha_emit_set_long_const, alpha_emit_conditional_branch,
4716         alpha_emit_setcc, alpha_emit_conditional_move,
4717         alpha_lookup_xfloating_lib_func, alpha_compute_xfloating_mode_arg,
4718         alpha_emit_xfloating_libcall, alpha_split_tfmode_pair,
4719         alpha_expand_unaligned_load, alpha_expand_block_move,
4720         alpha_expand_zap_mask, get_trap_mode_suffix,
4721         get_round_mode_suffix, get_some_local_dynamic_name,
4722         print_operand_address, function_arg, alpha_return_in_memory,
4723         function_value, alpha_expand_builtin,
4724         alpha_initial_elimination_offset, alpha_expand_epilogue,
4725         summarize_insn, alpha_handle_trap_shadows, alphaev5_insn_pipe,
4726         alphaev5_next_group, alpha_align_insns,
4727         unicosmk_initial_elimination_offset, unicosmk_unique_section,
4728         unicosmk_ssib_name): Likewise.
4729         * config/alpha/alpha.h (ASM_OUTPUT_ADDR_VEC_ELT): Likewise.
4730         * config/alpha/unicosmk.h (TRAMPOLINE_TEMPLATE,
4731         ASM_OUTPUT_ADDR_DIFF_ELT, ASM_OUTPUT_ADDR_DIFF_VEC): Likewise.
4732         * config/alpha/vms.h (INITIAL_ELIMINATION_OFFSET,
4733         ASM_OUTPUT_ADDR_DIFF_ELT): Likewise.
4734         * config/alpha/alpha.md (*divmodsi_internal_er,
4735         *divmoddi_internal_er, ashldi3, *insxl, sibcall, call_osf,
4736         call_nt, call_umk, call_vms, call_value, sibcall_value,
4737         call_value_osf, call_value_nt, call_value_vms, call_value_umk,
4738         *call_vms_1, *movmemdi_1, *clrmemdi_1, *call_value_vms_1): Likewise.
4739         * config/alpha/predicates.md (input_operand): Likewise.
4740
4741 2005-05-08  Nathan Sidwell  <nathan@codesourcery.com>
4742
4743         * config/frv/frv.c (frv_default_flags_for_cpu): Use gcc_assert and
4744         gcc_unreachable, as appropriate.
4745         (frv_function_prologue, frv_alloc_temp_reg,
4746         frv_initial_elimination_offset, frv_expand_block_move,
4747         frv_expand_block_clear, frv_print_operand_jump_hint,
4748         frv_legitimize_tls_address, unspec_got_name, frv_emit_move,
4749         frv_emit_movsi, frv_split_cond_move, frv_split_minmax,
4750         frv_ifcvt_modify_insn, frv_ifcvt_modify_final,
4751         frv_adjust_field_align, frv_insn_unit, frv_cond_flags,
4752         frv_sort_insn_group, frv_reorder_packet, frv_matching_accg_mode,
4753         frv_in_small_data_p, frv_asm_out_constructor,
4754         frv_asm_out_destructor, frv_output_dwarf_dtprel): Likewise.
4755         * config/frv/frv.md (reload_incc_fp, *cond_exec_si_binary1,
4756         *cond_exec_si_binary2, *cond_exec_si_divide, *cond_exec_si_unary1,
4757         *cond_exec_sf_conv, *cond_exec_sf_add, call, sibcall, call_value,
4758         sibcall_value, casesi): Likewise.
4759
4760         * config/mn10300/mn10300.c (print_operand): Use gcc_assert and
4761         gcc_unreachable as appropriate.
4762         (print_operand_address, mn10300_print_reg_list, expand_prologue,
4763         expand_epilogue, notice_update_cc, initial_offset,
4764         mn10300_address_cost_1): Likewise.
4765         * config/mn10300/mn10300.md: Likewise.
4766         (absdf2, abssf2, negdf2, negsf2): Likewise.
4767
4768 2005-05-08  Richard Sandiford  <rsandifo@redhat.com>
4769
4770         PR target/21416
4771         * config/mips/mips.c (mips_emit_compare): Don't reverse UNGE and UNGT
4772         comparisons.
4773         * config/mips/mips.md (swapped_fcond): New code macro and attribute.
4774         (sgt_<mode>, sge_<mode>): Generalize to all members of swapped_fcond,
4775         including sunge_<mode> and sungt_<mode>.
4776
4777 2005-05-08  Richard Sandiford  <rsandifo@redhat.com>
4778
4779         * integrate.h (get_hard_reg_initial_val): Change type of register
4780         parameter from int to unsigned int.
4781         (has_hard_reg_initial_val): Likewise.
4782         * integrate.c (get_hard_reg_initial_val): Likewise.
4783         (has_hard_reg_initial_val): Likewise.  Remove cast to unsigned int.
4784
4785 2005-05-08  Kazu Hirata  <kazu@cs.umass.edu>
4786
4787         * except.c (eh_status): Change the type of ttype_data to
4788         VEC(tree,gc)*.
4789         (add_ttypes_entry, assign_filter_values,
4790         output_function_exception_table): Use VEC instead of VARRAY.
4791
4792 2005-05-07  David Edelsohn  <edelsohn@gnu.org>
4793
4794         * config/rs6000/rs6000.md (popcount<mode>2): Fix non-C90 constant.
4795
4796 2005-05-07  Paul Brook  <paul@codesourcery.com>
4797
4798         * Makefile.in: Fix dependencies.
4799         (GCOV_IO_H, VARRAY_H): Set.
4800
4801 2005-05-07  Anthony Green  <green@redhat.com>
4802
4803         PR bootstrap/21403
4804         * configure.ac (STMP_FIXPROTO): Fix [ ] consumption problem in
4805         x$STMP_FIXPROTO test.
4806         * configure: Rebuilt.
4807
4808 2005-05-07  Joseph S. Myers  <joseph@codesourcery.com>
4809
4810         * config/pa/pa-hpux11.h (TARGET_OS_CPP_BUILTINS): Do not define
4811         inappropriate feature test macros if flag_iso.
4812
4813 2005-05-07  Joseph S. Myers  <joseph@codesourcery.com>
4814
4815         * config/ia64/hpux.h (NO_IMPLICIT_EXTERN_C): Define.
4816
4817 2005-05-07  Hans-Peter Nilsson  <hp@axis.com>
4818
4819         PR target/21441
4820         * config/cris/cris.md ("*movdi_insn", "*mov_sidesisf_biap")
4821         ("*mov_sidesisf", "*mov_sidesisf_biap_mem", "*mov_sidesisf_mem"):
4822         Handle moved operand being in special register.
4823         ("smulsi3_highpart", "umulsi3_highpart"): Change .error into
4824         presumed working insn.
4825         (mover2side): Add FIXME.
4826
4827 2005-05-07  Richard Sandiford  <rsandifo@redhat.com>
4828
4829         * integrate.c (get_func_hard_reg_initial_val): Delete.
4830         (has_func_hard_reg_initial_val): Delete.
4831         (get_hard_reg_initial_val): Inline the old implementation of
4832         get_func_hard_reg_initial_val.  Use has_hard_reg_initial_val
4833         instead of has_func_hard_reg_initial_val to test for an existing
4834         pseudo.  Only create an rtx if a new initial value entry is needed.
4835         (has_hard_reg_initial_val): Scan the initial value list directly.
4836         Don't create an rtx.
4837
4838 2005-05-07  David Edelsohn  <edelsohn@gnu.org>
4839
4840         * config.gcc ({powerpc,rs6000}-ibm-aix*): Remove rs6000/aix.opt
4841         from extra_options.
4842         * config.in (HAVE_AS_POPCNTB): New.
4843         * configure.ac (HAVE_AS_MFCRF): Add .machine "pwr5" to AIX test.
4844         (HAVE_AS_POPCNTB): New.
4845         * configure: Regenerated.
4846         * config/rs6000/aix.h (TARGET_XL_COMPAT): Delete.
4847         * config/rs6000/rs6000.c (rs6000_override_options, power5): Add
4848         MASK_POPCNTB.  Uncomment rs6000_sched_restricted_insns_priority
4849         and rs6000_sched_costly_dep.
4850         * config/rs6000/rs6000.h (TARGET_POPCNTB): New.
4851         (TARGET_XL_COMPAT): Delete.
4852         * config/rs6000/rs6000.md (UNSPEC_POPCNTB): New.
4853         (popcount<mode>2): New.
4854         (popcntb<mode>2): New.
4855         * config/rs6000/rs6000.opt (mpopcntb): New.
4856
4857         * opt-functions.awk (var_set): Emit OPTION_MASK_ for InverseMask
4858         if variable name exists.
4859
4860 2005-05-07  Matt Kraai  <kraai@ftbfs.org>
4861
4862         * Makefile.in (c-gimplify.o): Depend on $(RTL_H) instead of rtl.h.
4863
4864 2005-05-07  Richard Henderson  <rth@redhat.com>
4865
4866         PR target/21412
4867         * config/rs6000/rs6000.c (rs6000_emit_move): Look for tls addresses
4868         with constant offsets.
4869
4870 2005-05-07  Nathan Sidwell  <nathan@codesourcery.com>
4871
4872         * config/v850/v850.c (print_operand): Use gcc_assert and
4873         gcc_unreachable, as appropriate.
4874         (print_operand_address, v850_handle_data_area_attribute,
4875         v850_encode_data_area, construct_restore_jr, construct_save_jarl,
4876         v850_insert_attributes, construct_prepare_instruction): Likewise.
4877         * config/v850/v850.h (INITIAL_ELIMINATION_OFFSET): Likewise.
4878         * config/v850/v850.md (movsicc, *sasf_1): Likewise.
4879
4880 2005-05-07  Kazu Hirata  <kazu@cs.umass.edu>
4881
4882         * tree-ssa-loop-ivcanon.c, config/i386/i386.c,
4883         config/rs6000/rs6000.h: Fix comment typos.
4884
4885 2005-05-07  Richard Sandiford  <rsandifo@redhat.com>
4886
4887         * doc/invoke.texi: Remove documentation for MIPS' -mint64 option.
4888         * config/mips/mips.c (TARGET_SCALAR_MODE_SUPPORTED_P): Delete.
4889         (mips_scalar_mode_supported_p): Delete.
4890
4891 2005-05-06  Eric Christopher  <echristo@redhat.com>
4892
4893         * config/mips/mips.opt: Remove -mint64 option.
4894         * config/mips/mips.c (override_options): Remove -mint64
4895         handling.
4896         * config/mips/mips.h (INT_TYPE_SIZE): Define to 32.
4897         * config/mips/linux.h (TARGET_OS_CPP_BUILTINS): Remove
4898         64-bit integer handling.
4899         * doc/invoke.texi (Option Summary): Remove -mint64 for
4900         mips.
4901
4902 2005-05-06  Zdenek Dvorak  <dvorakz@suse.cz>
4903
4904         PR tree-optimization/19401
4905         * tree-flow.h (tree_unroll_loops_completely): Declaration changed.
4906         * tree-ssa-loop-ivcanon.c (enum unroll_level): New.
4907         (estimated_unrolled_size): New function.
4908         (try_unroll_loop_completely, canonicalize_loop_induction_variables,
4909         tree_unroll_loops_completely): Always unroll loops if the code size
4910         does not increase.
4911         * tree-ssa-loop.c (tree_complete_unroll): Indicate whether all
4912         loops should be unrolled completely.
4913         (gate_tree_complete_unroll): Run complete unrolling unconditionally.
4914
4915 2005-05-06  Zdenek Dvorak  <dvorakz@suse.cz>
4916
4917         PR rtl-optimization/21254
4918         * loop-iv.c (iv_number_of_iterations): Simplify infiniteness
4919         assumptions for loops that otherwise do not roll.
4920         (find_simple_exit): Prefer # of iterations that is guaranteed
4921         not to be infinite.
4922         * loop-unroll.c (decide_peel_once_rolling,
4923         decide_peel_completely): Check whether the loop is infinite.
4924
4925 2005-05-06  Pat Haugen  <pthaugen@us.ibm.com>
4926
4927         * config/rs6000/sysv4.opt: Fix typo.
4928
4929 2005-05-06  Denis Vlasenko  <vda@port.imtp.ilyichevsk.odessa.ua>
4930             Jakub Jelinek  <jakub@redhat.com>
4931
4932         PR target/21329
4933         * config/i386/i386.c (ix86_expand_movmem): Don't use rep; movsb
4934         for -Os if (movsl;)*(movsw;)?(movsb;)? sequence is shorter.
4935         Don't use rep; movs{l,q} if the repetition count is really small,
4936         instead use a sequence of movs{l,q} instructions.
4937
4938 2005-05-06  Jeff Law  <law@redhat.com>
4939
4940         PR tree-optimization/21380
4941         * tree-ssa-threadupdate.c (thread_through_all_blocks): Do not
4942         thread through a block with no preds.
4943
4944 2005-05-06  Kazu Hirata  <kazu@cs.umass.edu>
4945
4946         * tree-ssa-operands.c (clobbered_v_may_defs, clobbered_vuses,
4947         ro_call_vuse, fini_ssa_operands, add_call_clobber_ops,
4948         add_call_read_ops): Use VEC instead of VARRAY.
4949
4950 2005-05-06  Nathan Sidwell  <nathan@codesourcery.com>
4951
4952         * config/mcore/mcore.c (mcore_print_operand_address): Use
4953         gcc_assert and gcc_unreachable as appropriate.
4954         (mcore_print_operand, mcore_gen_compare_reg, mcore_output_call,
4955         mcore_output_andn, output_inline_const, mcore_output_move,
4956         mcore_output_movedouble, mcore_expand_block_move,
4957         layout_mcore_frame, mcore_initial_elimination_offset,
4958         mcore_expand_prolog, mcore_mark_dllexport,
4959         mcore_mark_dllimport): Likewise.
4960         * config/mcore/mcore.h (switch_to_section): Likewise.
4961         * config/mcore/mcore.md: Likewise.
4962
4963 2005-05-06  Aldy Hernandez  <aldyh@redhat.com>
4964
4965         * config/rs6000/linux64.h: Remove MASK_PROFILE_KERNEL, and
4966         TARGET_PROFILE_KERNEL.
4967
4968         * config/rs6000/rs6000.c (output_profile_hook): Add comment to
4969         TARGET_PROFILE_KERNEL use.
4970
4971 2005-05-06  Nathan Sidwell  <nathan@codesourcery.com>
4972
4973         * config/m32r/m32r.c (m32r_encode_section_info): Use gcc_assert
4974         and gcc_unreachable, as appropriate.
4975         (gen_compare, gen_split_move_double, m32r_setup_incoming_varargs,
4976         m32r_expand_prologue, m32r_output_function_epilogue,
4977         m32r_legitimize_pic_address, m32r_print_operand_address,
4978         emit_cond_move, m32r_function_symbol,
4979         m32r_output_block_move): Likewise.
4980         * config/m32r/m32r.h (INITIAL_ELIMINATION_OFFSET): Likewise.
4981         * config/m32r/m32r.md ( *movsi_insn, *zero_branch_insn,
4982         *rev_zero_branch_insn): Likewise.
4983
4984 2005-05-06  Jakub Jelinek  <jakub@redhat.com>
4985
4986         PR c++/20961
4987         * varasm.c (merge_weak): Remove NEWDECL from WEAK_DECLS chain
4988         if both NEWDECL and OLDDECL are already weak.
4989
4990 2005-05-06  Richard Sandiford  <rsandifo@redhat.com>
4991
4992         * config/rs6000/sysv4.h (EXTRA_SUBTARGET_SWITCHES): Delete.
4993
4994 2005-05-05  J"orn Rennecke  <joern.rennecke@st.com>
4995             Kaz Kojima  <kkojima@gcc.gnu.org>
4996
4997         * config/sh/sh.c (sh_builtin_saveregs): Use copy_to_mode_reg
4998         and plus_constant.
4999
5000 2005-05-05  Aldy Hernandez  <aldyh@redhat.com>
5001             David Edelsohn  <edelsohn@gnu.org>
5002
5003         * config.gcc: Add .opt magic for the rs6000 ports.
5004
5005         * doc/invoke.texi: Document -mabi= option properly.  Document
5006         -misel and -mno-sel.  Document -mspe and -mno-spe.  Document
5007         -mvrsave and -mno-vrsave.  Document deprecation of -mspe= and
5008         -misel=.
5009
5010         * config/rs6000/aix.h: Remove XL_COMPAT stuff.  Remove
5011         SUBTARGET_SWITCHES and SUBSUBTARGET_SWITCHES.  Define
5012         TARGET_XL_COMPAT.
5013
5014         * config/rs6000/aix.opt: New.
5015         * config/rs6000/aix41.opt: New.
5016         * config/rs6000/aix64.opt: New.
5017         * config/rs6000/darwin.opt: New.
5018         * config/rs6000/linux64.opt: New.
5019         * config/rs6000/rs6000.opt: New.
5020         * config/rs6000/sysv4.opt: New.
5021
5022         * config/rs6000/sysv4.h: Delete definitions of MASK_* and
5023         associated TARGET_*.  Remove SUBTARGET_OPTIONS,
5024         SUBTARGET_SWITCHES.
5025         Define TARGET_USES_SYSV4_OPT.
5026         * config/rs6000/aix41.h: Remove SUBSUBTARGET_SWITCHES.
5027         * config/rs6000/aix43.h: Remove SUBSUBTARGET_SWITCHES.  Define
5028         TARGET_USES_AIX64_OPT.
5029         * config/rs6000/aix51.h: Same.
5030         * config/rs6000/aix52.h: Same.
5031         * config/rs6000/darwin.h: Remove SUBTARGET_SWITCHES,
5032         MASK_MACHO_DYNAMIC_NO_PIC, TARGET_MACHO_DYNAMIC_NO_PIC.
5033         Use TARGET_ALTIVEC_VRSAVE instead of rs6000_altivec_vrsave.
5034         Define TARGET_DYNAMIC_NO_PIC as TARGET_MACHO_DYNAMIC_NO_PIC.
5035         * config/rs6000/linux64.h: Use
5036         rs6000_explicit_options.  Remove EXTRA_SUBTARGET_SWITCHES.
5037
5038         * config/rs6000/rs6000.c: Remove definitions of
5039         rs6000_sched_restricted_insns_priority,
5040         rs6000_long_double_size_string, rs6000_altivec_vrsave,
5041         rs6000_altivec_vrsave_string, rs6000_isel, rs6000_spe,
5042         rs6000_float_gprs_string, rs6000_isel_string, rs6000_spe_string,
5043         rs6000_abi_string, rs6000_warn_altivec_long, rs6000_longcall,
5044         rs6000_alignment_string.  Define rs6000_explicit_options.
5045         (rs6000_parse_abi_options): Remove.
5046         (rs6000_parse_alignment_option): Remove.
5047         (rs6000_parse_float_gprs_option): Remove.
5048         (rs6000_handle_option): New.  Define TARGET_HANDLE_OPTION.  Define
5049         TARGET_DEFAULT_TARGET_FLAGS.
5050         (rs6000_override_options): Revamp to use new .opt machinery.
5051
5052         * config/rs6000/rs6000.h: Remove old MASK_* and TARGET_* in favor
5053         of new .opt machinery.  Remove target_flags.  Redefine
5054         TARGET_MFCRF and TARGET_POWERPC64.  Remove TARGET_SWITCHES,
5055         SUBTARGET_SWITCHES, TARGET_OPTIONS, SUBTARGET_OPTIONS,
5056         rs6000_float_gprs_string, rs6000_isel_string, rs6000_spe_string,
5057         rs6000_altivec_vrsave_string, rs6000_altivec_vrsave,
5058         rs6000_longcall_switch, rs6000_default_long_calls,
5059         rs6000_sched_costly_dep_str, rs6000_sched_costly_dep,
5060         rs6000_warn_altivec_long, rs6000_warn_altivec_long_switch, and
5061         TARGET_ALTIVEC_VRSAVE.
5062
5063 2005-05-05  Ralf Corsepius  <ralf.corsepius@rtems.org>
5064
5065         * config.gcc (hppa1.1-*-rtems*): Remove.
5066         * config/pa/rtems.h: Remove.
5067
5068 2005-05-05  Ralf Corsepius  <ralf.corsepius@rtems.org>
5069
5070         * config/rs6000/t-rtems (MULTILIB_NEW_EXCEPTIONS_ONLY):
5071         Exclude roe/603e multilib variants.
5072
5073 2005-05-04  Denis Chertykov  <denisc@overta.ru>
5074
5075         PR target/21284
5076         * config/avr/avr.c (avr_output_addr_vec_elt): Use special section
5077         for output.
5078
5079 2005-05-05  Richard Sandiford  <rsandifo@redhat.com>
5080
5081         * config.gcc (arm*-wince-pe*, arm-*-pe*, strongarm-*-pe): Add
5082         arm/pe.opt to $extra_options.
5083         * config/arm/arm.h (target_flags, target_fpu_name, target_fpe_name)
5084         (target_float_abi_name, target_float_switch, target_abi_name)
5085         (ARM_FLAG_APCS_FRAME, ARM_FLAG_POKE, ARM_FLAG_FPE, ARM_FLAG_APCS_STACK)
5086         (ARM_FLAG_APCS_FLOAT, ARM_FLAG_APCS_REENT, ARM_FLAG_BIG_END)
5087         (ARM_FLAG_INTERWORK, ARM_FLAG_LITTLE_WORDS, ARM_FLAG_NO_SCHED_PRO)
5088         (ARM_FLAG_ABORT_NORETURN, ARM_FLAG_SINGLE_PIC_BASE)
5089         (ARM_FLAG_LONG_CALLS, ARM_FLAG_THUMB, THUMB_FLAG_BACKTRACE)
5090         (THUMB_FLAG_LEAF_BACKTRACE, THUMB_FLAG_CALLEE_SUPER_INTERWORKING)
5091         (THUMB_FLAG_CALLER_SUPER_INTERWORKING, CIRRUS_FIX_INVALID_INSNS)
5092         (TARGET_APCS_FRAME, TARGET_POKE_FUNCTION_NAME, TARGET_FPE)
5093         (TARGET_APCS_STACK, TARGET_APCS_FLOAT, TARGET_APCS_REENT)
5094         (TARGET_BIG_END, TARGET_INTERWORK, TARGET_LITTLE_WORDS)
5095         (TARGET_NO_SCHED_PRO, TARGET_ABORT_NORETURN, TARGET_SINGLE_PIC_BASE)
5096         (TARGET_LONG_CALLS, TARGET_THUMB, TARGET_CALLER_INTERWORKING)
5097         (TARGET_CIRRUS_FIX_INVALID_INSNS, SUBTARGET_SWITCHES, TARGET_SWITCHES)
5098         (TARGET_OPTIONS, arm_cpu_select, arm_select,  structure_size_string)
5099         (arm_pic_register_string): Delete.
5100         (TARGET_BACKTRACE): Redefine using TARGET_TPCS_LEAF_FRAME and
5101         TARGET_TPCS_FRAME.
5102         (TARGET_DEFAULT, CONDITIONAL_REGISTER_USAGE): Update mask names.
5103         * config/arm/coff.h (TARGET_DEFAULT): Likewise.
5104         * config/arm/elf.h (TARGET_DEFAULT): Likewise.
5105         * config/arm/netbsd-elf.h (TARGET_DEFAULT): Likewise.
5106         * config/arm/netbsd.h (TARGET_DEFAULT): Likewise.
5107         * config/arm/semi.h (TARGET_DEFAULT): Likewise.
5108         * config/arm/uclinux-elf.h (TARGET_DEFAULT): Likewise.
5109         * config/arm/wince-pe.h (TARGET_DEFAULT): Likewise.
5110         * config/arm/pe.h (TARGET_DEFAULT): Likewise.
5111         (TARGET_FLAG_NOP_FUN, TARGET_NOP_FUN_DLLIMPORT): Delete.
5112         (SUBTARGET_SWITCHES): Delete.
5113         * config/arm/arm.c (target_float_switch): Delete.
5114         (arm_cpu_select): Moved from config/arm/arm.h.
5115         (target_fpu_name, target_fpe_name, target_float_abi_name)
5116         (target_abi_name, structure_size_string, arm_pic_register_string)
5117         (arm_select): Make static.
5118         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
5119         (arm_handle_option): New function.
5120         (arm_override_options): Update target_flags checks for new mask names.
5121         Remove target_float_switch code.
5122         (arm_expand_prologue, thumb_expand_prologue): Check
5123         !TARGET_SCHED_PROLOG instead of TARGET_NO_SCHED_PRO.
5124         * config/arm/arm.opt, config/arm/pe.opt: New files.
5125
5126 2005-05-05  Nathan Sidwell  <nathan@codesourcery.com>
5127
5128         * config/arc/arc.c (get_arc_condition_code): Use gcc_assert &
5129         gcc_unreachable as appropriate.
5130         (arc_double_limm_p, arc_setup_incoming_varargs,
5131         arc_compute_function_type, arc_output_function_prologue,
5132         arc_output_function_epilogue, arc_eligible_for_epilogue_delay,
5133         output_shift, arc_print_operand, arc_print_operand_address,
5134         arc_final_prescan_insn): Likewise.
5135         * config/arc/arc.md (*movdi_insn, *movdf_insn): Likewise.
5136
5137 2005-05-04  Geoffrey Keating  <geoffk@apple.com>
5138
5139         * config/rs6000/rs6000.md (P): Use TARGET_*BIT rather than
5140         comparing Pmode.
5141         (SDI): New.
5142         (cmp): Delete.
5143         (wd): New.
5144         (add<mode>3, add<mode>3_internal1, add<mode>3_internal2,
5145         add<mode>3_internal3, one_cmpl<mode>2, sub<mode>3, neg<mode>2,
5146         clz<mode>2, ctz<mode>2, ffs<mode>2): New.
5147         (addsi3, addsi3_internal1, addsi3_internal2, addsi3_internal3,
5148         (one_cmplsi2, subsi3, negsi2, clzsi2, ctzsi2, ffssi2): Remove.
5149         (adddi3, adddi3_internal1, adddi3_internal2, adddi3_internal3,
5150         (one_cmpldi2, subdi3, negdi2, clzdi2, ctzdi2, ffsdi2): Remove.
5151         (sync_compare_and_swap<mode>): Use <wd> rather than <cmp>.
5152
5153 2005-05-05  Paul Brook  <paul@codesourcery.com>
5154
5155         * Makefile.in: Replace dependencies on basic-block.h, c-pragma.h,
5156         cfgloop.h, diagnostic.h, insn-attr.h, langhooks-def.h, params.h,
5157         regs.h, system.h, tree-dump.h, tree-gimple.h, tree-scalar-evolution.h
5158         and tree-data-ref.h with *_H variables.
5159
5160 2005-05-05  Kelley Cook  <kcook@gcc.gnu.org>
5161
5162         * config/m32r/xm-m32r.h, config/m32r/xm-linux.h: Delete files.
5163
5164 2005-05-05  Kelley Cook  <kcook@gcc.gnu.org>
5165
5166         * system.h: Poison BYTEORDER and HOST_WORDS_BIG_ENDIAN.
5167
5168 2005-05-04  Gerald Pfeifer  <gerald@pfeifer.com>
5169
5170         * doc/contrib.texi (Contributors): Add Mostafa Hagog and Ayal Zaks.
5171
5172 2005-05-04 Fariborz Jahanian <fjahanian@apple.com>
5173
5174         * config/rs6000/rs6000.c (rs6000_emit_prologue): Emit
5175         setting of vrsave register for current function after
5176         call to save_world is emitted.
5177
5178 2005-05-05  Hans-Peter Nilsson  <hp@bitrange.com>
5179
5180         * config/mmix/predicates.md: New file.
5181         * config/mmix/mmix.c (mmix_symbolic_or_address_operand)
5182         (mmix_reg_or_constant_operand, mmix_reg_cc_operand)
5183         (mmix_foldable_comparison_operator, mmix_comparison_operator)
5184         (mmix_reg_or_0_operand, mmix_reg_or_8bit_operand): Remove.
5185         * config/mmix/mmix.h (PREDICATE_CODES, SPECIAL_MODE_PREDICATES):
5186         Don't define.
5187         * config/mmix/mmix.md: Include predicates.md.
5188         ("call", "call_value"): Force address to register if it isn't a
5189         mmix_symbolic_or_address_operand.
5190
5191 2005-05-04  Andrew MacLeod  <amacleod@redhat.com>
5192
5193         * tree-flow-inline.h (op_iter_init_use, op_iter_init_def): Assert that
5194         the flags are of appropriate types.
5195         (num_ssa_operands): Generalize using the generic interface.
5196         * tree-ssa-dce.c (remove_dead_stmt): Don't ask for kills on a DEF
5197         iterator.
5198
5199 2005-05-04  Richard Sandiford  <rsandifo@redhat.com>
5200
5201         * protoize.c (version_flag, quiet_flag, nochange_flag, nosave_flag)
5202         (keep_flag, local_flag, global_flag, cplusplus_flag): Make extern.
5203
5204 2005-05-04  Kazu Hirata  <kazu@cs.umass.edu>
5205
5206         * tree-outof-ssa.c (edge_leader, stmt_list,
5207         analyze_edges_for_bb): Use VEC instead of VARRAY.
5208         (init_analayze_edges_for_bb, fini_analayze_edges_for_bb): New.
5209         (perform_edge_inserts): Call init_analayze_edges_for_bb and
5210         fini_analayze_edges_for_bb.
5211
5212 2005-05-04  James E Wilson  <wilson@specifixinc.com>
5213
5214         PR driver/21112
5215         * gcc.c (process_command): In the second argv scan loop, ignore
5216         Xassembler and Xpreprocessor, along with their argument.
5217
5218 2005-05-04  Kazu Hirata  <kazu@cs.umass.edu>
5219
5220         * tree-flow-inline.h, tree-ssa-operands.c,
5221         tree-ssa-operands.h, tree-ssa-opfinalize.h:
5222         Likewise. tree-vn.c: Fix comment typos.
5223         * doc/passes.texi, doc/tree-ssa.texi: Fix typos.
5224
5225 2005-05-04  Paolo Bonzini  <bonzini@gnu.org>
5226
5227         * doc/tm.texi (Target Hooks): Document
5228         TARGET_RESOLVE_OVERLOADED_BUILTIN.
5229
5230 2005-05-04  Paul Brook  <paul@codesourcery.com>
5231
5232         * Makefile.in: Change dependencies on target.h to $(TARGET_H).
5233
5234 2005-05-04  Kazu Hirata  <kazu@cs.umass.edu>
5235
5236         * dwarf2out.c (incomplete_types, retry_incomplete_types,
5237         gen_struct_or_union_type_die, dwarf2out_init): Use VEC instead
5238         of VARRAY.
5239
5240         * loop-unroll.c (var_to_expand, analyze_insn_to_expand_var,
5241         get_expansion, expand_var_during_unrolling,
5242         insert_var_expansion_initialization,
5243         combine_var_copies_in_loop_exit, release_var_copies): Use VEC
5244         instead of VARRAY.
5245
5246         * tree-ssa-loop-ivopts.c (rewrite_address_base): Don't call
5247         update_stmt.
5248
5249 2004-05-03  Andrew Pinski  <pinskia@physics.uc.edu>
5250
5251         PR middle-end/15618
5252         * fold-const.c (fold_widened_comparison): Treat BOOLEAN_TYPE
5253         the same as INTEGER_TYPE.
5254         (fold_binary): Fold "bool_var != 0" to bool_var.
5255         Fold "bool_var == 1" to bool_var.
5256
5257 2004-05-03  Richard Henderson  <rth@redhat.com>
5258
5259         PR middle-end/21318
5260         * function.c (instantiate_virtual_regs_in_insn): Use the mode
5261         from recog_data instead of insn_data.
5262
5263 2005-05-03  DJ Delorie  <dj@redhat.com>
5264
5265         * common.opt (fdiagnostics-show-option): No variable is needed.
5266         * diagnostic.h (diagnostic_context): Add show_option_requested flag.
5267         * diagnostic.c (diagnostic_initialize): Initialize show_option_requested.
5268         (diagnostic_report_diagnostic): Test for enabled diagnostics here.
5269         Save and restore original message format.  Use flag in context
5270         instead of global.
5271         (warning): Don't test for enabled warnings here.
5272         * opts.c (common_handle_option): Handle -fdiagnostics-show-option
5273         here.
5274
5275 2005-05-04  Kelley Cook  <kcook@gcc.gnu.org>
5276
5277         * config/m32r/xm-m32r.h: Don't define HOST_WORDS_BIG_ENDIAN.
5278         * config/m32r/xm-linux.h: Don't undefine HOST_WORDS_BIG_ENDIAN.
5279         * mips-tfile.c: Use WORDS_BIG_ENDIAN instead of HOST_WORDS_BIG_ENDIAN.
5280         * aclocal.m4: Don't include accross.m4.
5281         * configure.ac: Use AC_C_BIGENDIAN instead of AC_C_BIGENDIAN_CROSS.
5282         Use AC_CHECK_SIZEOF instead of AC_COMPILE_CHECK_SIZEOF.
5283         * configure, config.in: Regenerate.
5284
5285 2005-05-04  Jakub Jelinek  <jakub@redhat.com>
5286
5287         PR middle-end/21265
5288         * expr.h (enum block_op_methods): Add BLOCK_OP_TAILCALL.
5289         (clear_storage): Add argument.
5290         * expr.c (emit_block_move_via_libcall, clear_storage_via_libcall):
5291         Add tailcall argument, set CALL_EXPR_TAILCALL of the CALL_EXPR to
5292         tailcall.
5293         (emit_block_move): Handle BLOCK_OP_TAILCALL method.
5294         (clear_storage): Add method argument, handle BLOCK_OP_TAILCALL.
5295         (store_expr, store_constructor): Adjust callers.
5296         * builtins.c (expand_builtin_memcpy): Pass BLOCK_OP_TAILCALL
5297         to emit_block_move if CALL_EXPR_TAILCALL (exp).
5298         (expand_builtin_memmove): Add ORIG_EXP argument, copy
5299         CALL_EXPR_TAILCALL from ORIG_EXP to the new CALL_EXPR.
5300         (expand_builtin_bcopy): Replace ARGLIST and TYPE arguments
5301         with EXP.  Pass EXP to expand_builtin_memmove.
5302         (expand_builtin_memset): Add ORIG_EXP argument, pass
5303         BLOCK_OP_TAILCALL to clear_storage if CALL_EXPR_TAILCALL (orig_exp).
5304         (expand_builtin_bzero): Replace ARGLIST argument with EXP.
5305         Pass EXP to expand_builtin_memset.
5306         (expand_builtin_strcmp): Copy CALL_EXPR_TAILCALL from EXP to
5307         the new CALL_EXPR.
5308         (expand_builtin_strncmp): Likewise.
5309         (expand_builtin_printf): Replace ARGLIST argument with EXP.
5310         Copy CALL_EXPR_TAILCALL from EXP to the new CALL_EXPR.
5311         (expand_builtin_fprintf): Likewise.
5312         (expand_builtin): Adjust calls to
5313         expand_builtin_{memmove,bcopy,memset,bzero,{,f}printf}.
5314
5315         * config/i386/i386.c (ix86_expand_vector_set): Fix setting 3rd and 4th
5316         item in V4SF mode.
5317
5318         PR rtl-optimization/21239
5319         * combine.c (combine_simplify_rtx) <case VEC_SELECT>: Fix a typo.
5320
5321 2005-05-03  Kazu Hirata  <kazu@cs.umass.edu>
5322
5323         * tree-flow.h (tree_ann_common_d): Move aux to ...
5324         (stmt_ann_d): ... here.
5325         * tree-ssa-loop-im.c (LIM_DATA, determine_invariantness_stmt,
5326         move_computations_stmt, schedule_sm): Update references to
5327         aux.
5328         * tree-vectorizer.h (set_stmt_info, vinfo_for_stmt): Likewise.
5329
5330         * tree-cfg.c (remove_bb): Remove a redundant call to
5331         set_bb_for_stmt.
5332         * tree-if-conv.c (replace_phi_with_cond_modify_expr):
5333         Likewise.
5334
5335 2005-05-03  Richard Henderson  <rth@redhat.com>
5336
5337         * config/rs6000/rs6000.c: Remove conflict markers.
5338
5339         * cfg.c (dump_flow_info): Use max_reg_num, not max_regno.
5340
5341 2005-05-03  James E Wilson  <wilson@specifixinc.com>
5342
5343         * dwarf2out.c (lookup_filename): Call maybe_emit_file.
5344
5345 2005-05-03  DJ Delorie  <dj@redhat.com>
5346
5347         * c-decl.c (store_parm_decls_oldstyle): Let diagnostic machinery
5348         decide if the warning will be printed.
5349         * calls.c (expand_call): Likewise.
5350         * function.c (init-function_start): Likewise.
5351
5352         * common.opt (-fdiagnostics-show-option): New.
5353         * opts.c (option_enabled): Accept the option index instead of a
5354         pointer to the option descriptor.
5355         * opts.h (option_enabled): Likewise.
5356         * toplev.c (print_switch_values): Pass option index, not option
5357         descriptor.
5358         * diagnostic.h (diagnostic_info): Add option_index.
5359         * diagnostic.c: Include opts.h.
5360         (diagnostic_set_info): Initialize option_index.
5361         (diagnostic_report_diagnostic): Amend option name if appropriate.
5362         (warning): Check to see if the specified warning is enabled.
5363         Store option index.
5364         * doc/invoke.texi (-fdiagnostics-show-options): Document.
5365
5366 2005-05-03  Richard Henderson  <rth@redhat.com>
5367
5368         * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Fix ALL_REGS and
5369         SPEC_OR_GEN_REGS definitions.
5370
5371 2005-05-03  Alexandre Oliva  <aoliva@redhat.com>
5372
5373         PR target/16888
5374         * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Clear reg names
5375         for unavailable registers.
5376
5377 2005-05-03  Kazu Hirata  <kazu@cs.umass.edu>
5378
5379         * tree-cfg.c (tree_forwarder_block_p): Fix a typo.
5380
5381         * cfglayout.c (block_locators_blocks,
5382         insn_locators_initialize, insn_scope): Use VEC instead of
5383         VARRAY.
5384
5385         * tree-mudflap.c (deferred_static_decls, mudflap_enqueue_decl,
5386         mudflap_finish_file, mudflap_finish_file): Use VEC instead of
5387         VARRAY.
5388
5389 2005-05-03  Eric Botcazou  <ebotcazou@libertysurf.fr>
5390
5391         * config/sparc/predicates.md (const_compl_high_operand): New.
5392         * config/sparc/sparc.c (sparc_emit_set_safe_HIGH64): Rename into
5393         gen_safe_HIGH64.
5394         (sparc_emit_set_const64_quick1): Adjust for above change.
5395         (sparc_emit_set_const64_quick2): Likewise.
5396         (sparc_emit_set_const64_longway): Likewise.
5397         (sparc_emit_set_const64): Likewise.
5398         * config/sparc/sparc.md (movhi_const64_special, movsi_const64_special,
5399         movdi_const64_special): Delete.
5400         (logical constant splitters): Use const_compl_high_operand.
5401
5402 2005-05-03  Richard Guenther  <rguenth@gcc.gnu.org>
5403
5404         * tree-ssa-ccp.c (maybe_fold_stmt_indirect): Use STRIP_TYPE_NOPS
5405         rather than STRIP_NOPS.
5406
5407 2005-05-03  Jakub Jelinek  <jakub@redhat.com>
5408
5409         PR rtl-optimization/21330
5410         * loop-unswitch.c (may_unswitch_on): Set *cinsn only when
5411         returning non-NULL.
5412         (unswitch_single_loop): Clear cinsn when retrying.
5413
5414         PR target/21297
5415         * config/i386/i386.c (legitimize_address): When canonicalizing
5416         ASHIFT into MULT, multiply by 1 << shift_count instead of
5417         1 << log2 (shift_count).
5418
5419 2005-05-03  Andrew MacLeod  <amacleod@redhat.com>
5420
5421         * lambda-code.c (gcc_loop_to_lambda_loop,
5422         lambda_loopnest_to_gcc_loopnest, phi_loop_edge_uses_def,
5423         stmt_is_bumper_for_loop, perfect_nest_p, replace_uses_of_x_with_y): Use
5424         generic operand interface.
5425         * tree-data-ref.c (find_data_references_in_loop): Use generic interface.
5426         * tree-dfa.c (collect_dfa_stats_r, mark_new_vars_to_rename): Use
5427         generic operand interface.
5428         * tree-flow-inline.h (delink_imm_use, link_imm_use_to_list,
5429         link_imm_use, link_imm_use_stmt, relink_imm_use, relink_imm_use_stmt,
5430         next_safe_imm_use, has_zero_uses, has_single_use, single_imm_use,
5431         num_imm_uses): Use ssa_use_operand_t.
5432         (get_def_ops, get_use_ops, get_v_may_def_ops, get_vuse_ops,
5433         get_v_must_def_ops): Delete.
5434         (get_def_from_ptr, get_phi_result_ptr): Get def directly now.
5435         (get_use_op_ptr, get_def_op_ptr, get_v_may_def_result_ptr,
5436         get_v_may_def_op_ptr, get_vuse_op_ptr, get_v_must_def_result_ptr,
5437         get_v_must_def_kill_ptr): Delete.
5438         (delink_stmt_imm_use): Move and use new operand interface.
5439         (op_iter_next_use, op_iter_next_def, op_iter_next_tree, op_iter_init,
5440         op_iter_next_tree): Use new operand implementation.
5441         (clear_and_done_ssa_iter): New.  Initialize a blank operand iterator.
5442         (op_iter_init_use, op_iter_init_def, op_iter_init_tree): Add iterator
5443         type check.
5444         (op_iter_next_mustdef, op_iter_next_maydef,
5445         op_iter_next_must_and_may_def): Delete. Replace with...
5446         (op_iter_next_maymustdef): New.  Combine must and may next operations.
5447         (op_iter_init_maydef, op_iter_init_mustdef,
5448         op_iter_init_must_and_may_def): Use new interface.
5449         (single_ssa_tree_operand ): New.  Process single operands only as trees.
5450         (single_ssa_use_operand): New.  Process single operands only as uses.
5451         (single_ssa_def_operand): New.  Process single operands only as defs.
5452         (zero_ssa_operands): New.  Return TRUE if there are zero operands of the
5453         specified types.
5454         (num_ssa_operands): New.  Count the number of specified operands.
5455         (compare_ssa_operands_equal): New.  Compare two statements' operands.
5456         (single_phi_def): New.  Return true if PHI has one def of the specified
5457         operand type.
5458         (op_iter_init_phiuse): New.  Initialize the iterator for PHI arguments.
5459         (op_iter_init_phidef): New.  Initialize the iterator for the PHI def.
5460         * tree-flow.h (struct immediate_use_iterator_d): Use ssa_use_operand_t.
5461         (struct stmt_ann_d): Operands field no longer require GTY().
5462         (vn_compute, vn_lookup_or_add, vn_add, vn_lookup): Change prototype.
5463         * tree-into-ssa.c (mark_def_sites): Use SSA_OP_VMUSTKILL.
5464         * tree-outof-ssa.c (check_replaceable, find_replaceable_in_bb,
5465         dump_replaceable_exprs, rewrite_trees): Use generic interface.
5466         * tree-phinodes.c (make_phi_node, release_phi_node, resize_phi_node):
5467         Use use_operand_p instead of ssa_imm_use_t *.
5468         * tree-pretty-print.c (dump_vops): check if operands are active before
5469         dumping virtual operands.
5470         * tree-sra.c (sra_walk_function): Use ZERO_SSA_OPERANDS.
5471         * tree-ssa-ccp.c (likely_value): Use ZERO_SSA_OPERANDS.
5472         (ccp_fold): Use new interface.
5473         (ccp_visit_stmt): Remove unused variables and code.
5474         (convert_to_gimple_builtin): Insert statements before calling
5475         mark_new_vars_to_rename.
5476         * tree-ssa-copy.c (stmt_may_generate_copy): Use ZERO_SSA_OPERANDS.
5477         (copy_prop_visit_cond_stmt): Use generic interface.
5478         * tree-ssa-dom.c (struct expr_hash_elt): Use stmt pointer, not the
5479         annotation in table.
5480         (thread_across_edge): Use generic interface.
5481         (initialize_hash_element): Initialzie with stmt, not annotation.
5482         (eliminate_redundant_computations): Use generic interface.
5483         (record_equivalences_from_stmt): Pass stmt, not annotation.
5484         (avail_expr_hash, real_avail_expr_hash, avail_expr_eq): Use generic
5485         interface.
5486         * tree-ssa-dse.c (dse_optimize_stmt): Use ZERO_SSA_OPERANDS.
5487         * tree-ssa-loop-ivopts.c (find_invariants_stmt,
5488         find_interesting_uses_stmt, protect_loop_closed_ssa_form_use): Use
5489         generic operand interface.
5490         * tree-ssa-loop-niter.c (chain_of_csts_start, get_val_for): Use generic
5491         interface.
5492         * tree-ssa-loop-unswitch.c (tree_may_unswitch_on): Use Generic operand
5493         Interface.
5494         * tree-ssa-operands.c (struct opbuild_list_d): New.  Operand build type.
5495         (build_defs, build_uses, build_v_may_defs, build_vuses,
5496         build_v_must_defs): Change type to struct opbuild_list_d.
5497         (ops_active): New.  Operands active boolean.
5498         (operand_memory, operand_memory_index): New.  Operand memory managers.
5499         (allocate_def_optype, allocate_use_optype, allocate_v_may_def_optype,
5500         allocate_vuse_optype, allocate_v_must_def_optype): Delete.
5501         (free_uses, free_defs, free_vuses, free_v_may_defs, free_v_must_defs):
5502         Change from functions to static variable list heads.
5503         (opbuild_initialize_virtual): New.  Initialize a virtual build list.
5504         (opbuild_initialize_real): New.  Initialize a virtual build list.
5505         (opbuild_free): New.  Free a build list.
5506         (opbuild_num_elems): New.  Number of items in a list.
5507         (opbuild_append_real): New.  Add a real (tree *) operand.
5508         (opbuild_append_virtual): New.  Add and sort a virtual (tree) operand.
5509         (opbuild_first): New.  Return first element index in a list.
5510         (opbuild_next): New.  Return next element in a list.
5511         (opbuild_elem_real): New.  Return real element.
5512         (opbuild_elem_virtual): New.  Return virtual element.
5513         (opbuild_elem_uid): New.  Return UID of virtual element.
5514         (opbuild_clear): New.  Reset an operand list.
5515         (opbuild_remove_elem): New.  Remove an element form a list.
5516         (ssa_operands_active): New.  Return true if operand cache is active.
5517         (init_ssa_operands, fini_ssa_operands): Initialize new implementation.
5518         (ssa_operand_alloc): New.  Allocate memory from an operand chunk.
5519         (correct_use_link): Use use_operand_p.
5520         (finalize_ssa_uses, finalize_ssa_v_may_defs, finalize_ssa_defs,
5521         finalize_ssa_vuses, finalize_ssa_v_must_defs): New implmentation.
5522         (cleanup_v_may_defs): Use new implmentation.
5523         (finalize_ssa_stmt_operands, start_ssa_stmt_operands): New
5524         implementation.
5525         (append_def, append_use, append_v_may_def, append_vuse,
5526         append_v_must_def): Call opbuild_append routine instead of using varray.
5527         (build_ssa_operands): Simplify to simply use stmt, don't maintain a
5528         global parse_old_ops variable.
5529         (free_ssa_operands): New implementation.
5530         (update_stmt_operands): Move.  Change argument to build_ssa_operands.
5531         (copy_virtual_operands): Move. New generic implementation.
5532         (create_ssa_artficial_load_stmt): Move. New implementation.
5533         (swap_tree_operands): Update for new implementation.
5534         (get_expr_operands): Add stmt parameter to calls to swap_tree_operands.
5535         (add_call_clobber_ops, add_call_read_ops): Initialize opbuild list
5536         rather than a varray.
5537         (verify_imm_links): Use use_operand_p.
5538         (dump_immediate_uses_for): If the immediate use variable is a virtual
5539         variable, show the virtual ops in the stmt.
5540         * tree-ssa-operands.h (def_operand_p): No longer a structure.
5541         (NULL_DEF_OPERAND_P): Now a #define.
5542         (def_optype_d, use_optype_d, v_def_use_operand_type, v_may_def_optype_d,
5543         vuse_operand_type, vuse_optype_d, v_must_def_optype_d): Delete.
5544         (def_optype_d, use_optype_d, maydef_optype_d, vuse_optype_d,
5545         mustdef_optype_d): New.  Use Linked list representation.
5546         (SSA_OPERAND_MEMORY_SIZE): New.  Size of operand memory chunk.
5547         (struct ssa_operand_memory_d): New.  Allocated Chunk node.
5548         (struct stmt_operands_d): Change to new pointers that are not GTY.
5549         (STMT_USE_OPS, NUM_USES, SET_USE_OP, STMT_DEF_OPS, NUM_DEFS, SET_DEF_OP,
5550         STMT_V_MAY_DEF_OPS, NUM_V_MAY_DEFS, SET_V_MAY_DEF_RESULT,
5551         SET_V_MAY_DEF_OP, STMT_VUSE_OPS, NUM_VUSES, SET_VUSE_OP,
5552         STMT_V_MUST_DEF_OPS, NUM_V_MUST_DEFS, SET_V_MUST_DEF_RESULT,
5553         SET_V_MUST_DEF_KILL): Delete.
5554         (V_MAY_DEF_OPS, V_MAY_DEF_RESULT_PTR, V_MAY_DEF_RESULT,
5555         V_MAY_DEF_OP_PTR, V_MAY_DEF_OP): Rename to MAYDEF_*.
5556         (V_MUST_DEF_OPS, V_MUST_DEF_RESULT_PTR, V_MUST_DEF_RESULT,
5557         V_MUST_DEF_KILL_PTR, V_MUST_DEF_KILL): Rename to MUSTDEF_*.
5558         (enum ssa_op_iter_type): Operand iterator typechecking values.
5559         (struct ssa_operand_iterator_d): Use linked lists of operands.
5560         (SSA_OP_VMUSTDEFKILL): Rename to SSA_OP_VMUSTKILL.
5561         (FOR_EACH_SSA_MAYDEF_OPERAND, FOR_EACH_SSA_MUSTDEF_OPERAND,
5562         FOR_EACH_SSA_MUST_AND_MAY_DEF_OPERAND): Use op_iter_next_maymustdef.
5563         (FOR_EACH_PHI_ARG): New.  Iterate over PHI arguments.
5564         (FOR_EACH_PHI_OR_STMT_USE): New.  Iterate over PHI or stmt uses.
5565         (FOR_EACH_PHI_OR_STMT_DEF): New.  Iterate over PHI or stmt defs.
5566         (SINGLE_SSA_TREE_OPERAND, SINGLE_SSA_USE_OPERAND,
5567         SINGLE_SSA_DEF_OPERAND, ZERO_SSA_OPERANDS, NUM_SSA_OPERANDS): New.
5568         * tree-ssa-opfinalize.h: New.  Function templates for expansion.
5569         (FINALIZE_ALLOC): Expands into alloc_def, alloc_use, alloc_maydef,
5570         alloc_vuse, and alloc_mustdef.
5571         (FINALIZE_FUNC): Expands into finalize_ssa_def_ops,
5572         finalize_ssa_use_ops, finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
5573         and finalize_ssa_v_must_def_ops.
5574         * tree-ssa-pre.c (add_to_sets): Pass tree to vn_add.
5575         (create_value_expr_from): Use stmt not vuse_optype as a parameter. Pass
5576         stmt around.
5577         (compute_avail): Use generic iterator interface.
5578         * tree-ssa-propagate.c (first_vdef): Use generic operand interface.
5579         (stmt_makes_single_load, stmt_makes_single_store): Use
5580         ZERO_SSA_OPERANDS.
5581         * tree-ssa-sink.c (is_hidden_global_store): Use ZERO_SSA_OPERANDS.
5582         (statement_sink_location): Use generic interface.
5583         * tree-ssa.c (verify_ssa):  Use %p in fprintf.  Use generic interface.
5584         (delete_tree_ssa): Don't call release_defs.  Call release_ssa_name and
5585         reset the immediate use link nodes.
5586         (stmt_references_memory_p): Use ZERO_SSA_OPERANDS.
5587         * tree-ssanames.c (make_ssa_name): Use use_operand_p.
5588         * tree-tailcall.c (find_tail_calls): Use ZERO_SSA_OPERANDS.
5589         (eliminate_tail_call): Use generic operand interface.
5590         * tree-vect-analyze.c (vect_analyze_data_refs): Use ZERO_SSA_OPERANDS.
5591         (vect_mark_relevant, vect_mark_stmts_to_be_vectorized): Use generic
5592         interface.
5593         * tree-vect-transform.c (update_vuses_to_preheader): Use generic
5594         interface.
5595         * tree-vectorizer.c (rename_variables_in_bb): Use generic interface.
5596         * tree-vn.c (struct val_expr_pair_d): Cache statment pointer instead of
5597         vuse_optype.
5598         (vn_compute, val_expr_pair_hash, vn_add, vn_lookup, vn_lookup_or_add):
5599         Use statement pointer instead of vuse_optype.  Use generic interface.
5600         * tree-vrp.c (maybe_add_assert_expr): Use generic interface.
5601         (stmt_interesting_for_vrp, vrp_visit_stmt): Use ZERO_SSA_OPERANDS.
5602         * tree.h (struct ssa_imm_use_d): Renamed to ssa_use_operand_d.
5603         (tree_ssa_name, phi_arg_d): Use ssa_use_operand_d.
5604         * doc/tree-ssa.texi: Update documentation for operand interface.
5605
5606 2005-05-03  Nathan Sidwell  <nathan@codesourcery.com>
5607
5608         * config/darwin.c (machopic_define_symbol): Use gcc_assert or
5609         gcc_unreachable as appropriate.
5610         (machopic_function_base_name, machopic_indirect_data_reference,
5611         machopic_legitimize_pic_address, darwin_non_lazy_pcrel): Likewise.
5612         * config/host-darwin.c (darwin_gt_pch_use_address): Likewise
5613         * config/rs6000/altivec.md (*mov<mode>_internal,
5614         build_vector_mask_for_load): Likewise.
5615         * config/rs6000/darwin.md (movdf_low_si, movdf_low_di,
5616         *call_nonlocal_darwin64, *call_value_nonlocal_darwin64,
5617         *sibcall_symbolic_64, *sibcall_value_symbolic_64): Likewise.
5618         * config/rs6000/predicates.md (easy_fp_constant,
5619         logical_operand): Likewise.
5620         * config/rs6000/rs6000.c (spe_expand_predicate_builtin,
5621         compute_save_world_info, rs6000_emit_prologue,
5622         rs6000_output_mi_thunk): Reword comments to avoid 'abort'.
5623         * config/rs6000/host-darwin.c (segv_handler): Use fancy_abort
5624         directly.
5625
5626 2005-05-03  Uros Bizjak  <uros@kss-loka.si>
5627
5628         PR middle-end/21282
5629         * convert.c (convert_to_integer): Convert ceil and floor in
5630         c99 mode only.
5631
5632 2005-04-29  Geoffrey Keating  <geoffk@apple.com>
5633
5634         PR target/20813
5635         * config/rs6000/rs6000.md (floatsidf2_internal): Merge to create
5636         define_insn_and_split.  Split only when memory operand is
5637         offsettable.  Use adjust_address rather than plus_constant.
5638         (floatunssidf2_internal): Likewise.
5639         (fix_truncdfsi2_internal): Split only when memory operand is
5640         offsettable.  Use adjust_address rather than plus_constant.
5641         (fix_trunctfsi2_internal): Likewise.
5642         (floatsidf2_internal): Likewise.
5643
5644 2005-05-02  Diego Novillo  <dnovillo@redhat.com>
5645
5646         * tree-vrp.c (set_value_range_to_nonnull): Declare inline.
5647         (set_value_range_to_null): Likewise.
5648         (set_value_range_to_varying): New function.  Use it in all
5649         call sites that used to call set_value_range (vr, VR_VARYING, ...).
5650         (extract_range_from_assert): If the integral type has a
5651         super-type, and LIMIT is not within MIN and MAX values of that
5652         type, set the resulting range to VR_VARYING.
5653
5654 2005-05-02  Hans-Peter Nilsson  <hp@bitrange.com>
5655
5656         * config/mmix/mmix.opt: New file.
5657         * config/mmix/mmix.h: Move options-related comments to mmix.opt.
5658         (mmix_cc1_ignored_option): Don't declare.
5659         (TARGET_OPTIONS, TARGET_MASK_LIBFUNCS, TARGET_MASK_ABI_GNU)
5660         (TARGET_MASK_FCMP_EPSILON, TARGET_MASK_ZERO_EXTEND)
5661         (TARGET_MASK_KNUTH_DIVISION, TARGET_MASK_TOPLEVEL_SYMBOLS)
5662         (TARGET_MASK_BRANCH_PREDICT, TARGET_MASK_USE_RETURN_INSN)
5663         (TARGET_MASK_BASE_ADDRESSES, TARGET_LIBFUNC, TARGET_ABI_GNU,
5664         (TARGET_FCMP_EPSILON, TARGET_ZERO_EXTEND, TARGET_KNUTH_DIVISION)
5665         (TARGET_TOPLEVEL_SYMBOLS, TARGET_BRANCH_PREDICT)
5666         (TARGET_BASE_ADDRESSES, TARGET_USE_RETURN_INSN, TARGET_SWITCHES):
5667         Don't define.
5668         (TARGET_DEFAULT): Change TARGET_MASK_... to MASK_...
5669         * config/mmix/mmix.c (mmix_cc1_ignored_option): Remove.
5670         (TARGET_DEFAULT_TARGET_FLAGS): Override default.
5671
5672 2005-05-02  Joseph S. Myers  <joseph@codesourcery.com>
5673
5674         PR c/15698
5675         * c-tree.h (C_DECL_BUILTIN_PROTOTYPE): New.
5676         * c-decl.c (current_function_prototype_built_in,
5677         current_function_prototype_arg_types): New.
5678         (merge_decls): Keep source location of prototype followed by
5679         nonprototype declaration.  Update C_DECL_BUILTIN_PROTOTYPE.
5680         (builtin_function): Set C_DECL_BUILTIN_PROTOTYPE.
5681         (start_function): Always set current_function_prototype_locus,
5682         current_function_prototype_built_in and
5683         current_function_prototype_arg_types.  Check for external
5684         prototype whether or not visible for external function and set
5685         current_function_prototype_arg_types accordingly.
5686         (store_parm_decls_oldstyle): Use
5687         current_function_prototype_arg_types for checking old-style
5688         definition against prototype.  Give warnings only if
5689         current_function_prototype_built_in).
5690
5691 2005-05-02  Daniel Jacobowitz  <dan@codesourcery.com>
5692
5693         * ggc.h (ggc_alloc_zone_pass_stat): New macro.
5694         (ggc_alloc_zone_stat): Don't define.
5695         * ggc-zone.c (ggc_alloc_typed_stat, ggc_alloc_stat): Use
5696         ggc_alloc_zone_pass_stat.
5697         * rtl.c (rtx_alloc_stat, shallow_copy_rtx_stat): Likewise.
5698         * tree.c (make_node_stat, copy_node_stat, make_tree_binfo_stat)
5699         (make_tree_vec_stat, tree_cons_stat, build1_stat): Likewise.
5700
5701 2005-05-02  Daniel Jacobowitz  <dan@codesourcery.com>
5702
5703         * calls.c (expand_call): Handle current_function_pretend_args_size
5704         when checking for sibcalls.
5705
5706 2005-05-02  Kazu Hirata  <kazu@cs.umass.edu>
5707
5708         PR tree-optimization/21294
5709         * tree-vrp.c (vrp_expr_computes_nonzero): New.
5710         (extract_range_from_expr): Call vrp_expr_computes_nonzero.
5711
5712 2005-05-02  Janis Johnson  <janis187@us.ibm.com>
5713
5714         PR 19985
5715         * gcov-io.h: Declare gcov external functions hidden.
5716
5717 2005-05-02  Kazu Hirata  <kazu@cs.umass.edu>
5718
5719         * tree-ssa-uncprop.c (equiv_hash_elt, remove_equivalence,
5720         record_equiv, tree_ssa_uncprop, uncprop_into_successor_phis):
5721         Use VEC instead of VARRAY.
5722         (equiv_free): New.
5723
5724         * tree-ssa-sink.c (nearest_common_dominator_of_uses): Factor
5725         out common code.
5726
5727 2005-05-02  Paolo Bonzini  <bonzini@gnu.org>
5728
5729         * c-common.c (resolve_overloaded_builtin): Forward to target
5730         hook for BUILT_IN_MD built-ins.
5731         * c-typeck.c (finish_call_expr): Call resolve_overloaded_builtin
5732         for all types of built-in.
5733         * target-def.h (TARGET_RESOLVE_OVERLOADED_BUILTIN): New.  Use it
5734         in the definition of the target hooks struct.
5735         * target.h (struct gcc_target): Add resolve_overloaded_builtin.
5736         * config/rs6000/altivec.h: Rewritten.
5737         * config/rs6000/rs6000-c.c (struct altivec_builtin_types,
5738         altivec_resolve_overloaded_builtin, altivec_build_resolved_builtin,
5739         rs6000_builtin_type, rs6000_builtin_type_compatible,
5740         altivec_overloaded_builtins, rs6000_builtin_type,
5741         rs6000_builtin_type_compatible): New.
5742         * config/rs6000/rs6000.c (rs6000_builtin_types, rs6000_builtin_decls):
5743         New.
5744         (def_builtin): Turn into a function.  Check for duplicates and store
5745         the builtin into rs6000_builtin_decls.
5746         (bdesc_3arg, bdesc_dst, bdesc_altivec_preds, bdesc_2arg,
5747         bdesc_1arg): Add overloaded builtins.
5748         (altivec_expand_builtin): Check for unresolved overloaded builtins,
5749         do not support ALTIVEC_COMPILETIME_ERROR.
5750         (rs6000_init_builtins): Add opaque 128-bit vector, and internal
5751         nodes to represent front-end types.
5752         (altivec_init_builtins, rs6000_common_init_builtins): Create builtins
5753         with opaque arguments and/or return values.
5754         * config/rs6000/rs6000.h (enum rs6000_builtins): Remove
5755         ALTIVEC_COMPILETIME_ERROR and add Altivec overloaded builtins.
5756         (rs6000_builtin_type_index): New.
5757         (is_ev64_opaque_type): Rename to...
5758         (rs6000_is_opaque_type): ... this.
5759         (rs6000_cpu_cpp_builtins): Install the resolve_overloaded_builtin
5760         target hook.
5761
5762 2005-05-02  Kazu Hirata  <kazu@cs.umass.edu>
5763
5764         * function.c (reorder_blocks, reorder_blocks_1): Use VEC
5765         instead of VARRAY.
5766
5767 2005-05-02  Nathan Sidwell  <nathan@codesourcery.com>
5768             Bernd Schmidt  <bernd.schmidt@analog.com>
5769
5770         * config/bfin/bfin.c (emit_link_insn, effective_address_32bit_p,
5771         print_address_operand, print_operand, legitimize_pic_address,
5772         asm_conditional_branch, bfin_gen_compare, output_push_multiple,
5773         output_pop_multiple): Use gcc_assert or gcc_unreachable as
5774         appropriate.
5775         * config/bfin/bfin.md (movsf splitter, beq, bne): Likewise.
5776
5777 2005-05-02  Dorit Naishlos  <dorit@il.ibm.com>
5778
5779         * doc/passes.texi: Document vectorization pass.
5780
5781 2005-05-02  Kazu Hirata  <kazu@cs.umass.edu>
5782
5783         * tree-scalar-evolution.c (get_exit_conditions_rec,
5784         select_loops_exit_conditions,
5785         number_of_iterations_for_all_loops,
5786         analyze_scalar_evolution_for_all_loop_phi_nodes,
5787         scev_analysis): Use VEC instead of VARRAY.
5788
5789 2005-05-02  Michael Matz  <matz@suse.de>
5790
5791         PR c++/19542
5792         * c-common.c (c_common_nodes_and_builtins): Create global null_node.
5793         (warn_strict_null_sentinel): Define.
5794         (check_function_sentinel): Check for null_node as valid sentinel too.
5795         * c-common.h (c_tree_index): Added CTI_NULL.
5796         (null_node) Define global_tree[CTI_NULL].
5797         (warn_strict_null_sentinel): Declare.
5798         * c-opts.c: (c_common_handle_option): Handle -Wstrict-null-sentinel.
5799         * c.opt: (Wstrict-null-sentinel): New C++ option.
5800         * doc/invoke.texi (C++ Options): Document -Wstrict-null-sentinel.
5801
5802 2005-05-01  Kazu Hirata  <kazu@cs.umass.edu>
5803
5804         * gimplify.c (gimplify_compound_lval): Use VEC instead of
5805         VARRAY.
5806
5807         * global.c (calculate_reg_pav): Use VEC instead of VARRAY.
5808
5809         * dwarf2out.c (decl_scope_table, push_decl_scope,
5810         pop_decl_scope, scope_die_for, dwarf2out_init): Use VEC
5811         instead of VARRAY.
5812
5813 2005-05-01  Mark Mitchell  <mark@codesourcery.com>
5814
5815         PR C++/14391
5816         * c-cppbuiltin.c (c_cpp_builtins): Do not define __GXX_WEAK__ to 1
5817         if !flag_weak.
5818         * doc/cpp.texi (__DEPRECATED): Document.
5819         (__EXCEPTIONS): Likewise.
5820         (__GXX_WEAK__): Likewise.
5821
5822         * function.c (INVOKE__main): Do not define.
5823         (expand_main_function): Check HAS_INIT_SECTION when determining
5824         whether or not to call __main.
5825
5826 2005-05-01  Kazu Hirata  <kazu@cs.umass.edu>
5827
5828         * tree-ssa-loop-ivopts.c: Fix a comment typo.
5829
5830 2005-01-05  Paul Brook  <paul@codesourcery.com>
5831
5832         * config/arm/arm.h (ARM_EMIT_TRAMPOLINE_CACHE_CLEAR): Define.
5833         (INITIALIZE_TRAMPOLINE): Use it.
5834         * config/arm/linux-gas.h (INITIALIZE_TRAMPOLINE): Remove.
5835         * config/arm/netbsd.h (INITIALIZE_TRAMPOLINE): Remove.
5836         * config/arm/netbsd-elf.h (INITIALIZE_TRAMPOLINE): Remove.
5837
5838 2005-05-01  Gerald Pfeifer  <gerald@pfeifer.com>
5839
5840         * doc/install.texi (Specific): Omit dots in the @anchors names
5841         for i?86-*-sco3.2v5*, i?86-*-solaris2.10, and sparc-sun-solaris2.7.
5842         Omit underscores for x86_64-*-* and the "all ELF targets" entry.
5843
5844 2005-05-01  Zdenek Dvorak  <dvorakz@suse.cz>
5845
5846         PR tree-optimization/18316
5847         PR tree-optimization/19126
5848         * tree.c (build_int_cst_type): Avoid shift by size of type.
5849         * tree-scalar-evolution.c (simple_iv): Add allow_nonconstant_step
5850         argument.
5851         * tree-scalar-evolution.h (simple_iv): Declaration changed.
5852         * tree-ssa-loop-ivopts.c (struct iv_cand): Add depends_on
5853         field.
5854         (dump_cand): Dump depends_on information.
5855         (determine_biv_step): Add argument to simple_iv call.
5856         (contains_abnormal_ssa_name_p): Handle case expr == NULL.
5857         (find_bivs, find_givs_in_stmt_scev): Do not require step to be a
5858         constant.
5859         (add_candidate_1): Record depends_on for candidates.
5860         (tree_int_cst_sign_bit, constant_multiple_of): New functions.
5861         (get_computation_at, get_computation_cost_at, may_eliminate_iv):
5862         Handle ivs with nonconstant step.
5863         (iv_ca_set_remove_invariants, iv_ca_set_add_invariants): New functions.
5864         (iv_ca_set_no_cp, iv_ca_set_cp): Handle cand->depends_on.
5865         (create_new_iv): Unshare the step before passing it to create_iv.
5866         (free_loop_data): Free cand->depends_on.
5867         (build_addr_strip_iref): New function.
5868         (find_interesting_uses_address): Use build_addr_strip_iref.
5869         (strip_offset_1): Split the recursive part from strip_offset.
5870         Strip constant offset component_refs and array_refs.
5871         (strip_offset): Split the recursive part to strip_offset_1.
5872         (add_address_candidates): Removed.
5873         (add_derived_ivs_candidates): Do not use add_address_candidates.
5874         (add_iv_value_candidates): Add candidates with stripped constant
5875         offset.  Consider all candidates with initial value 0 important.
5876         (struct affine_tree_combination): New.
5877         (aff_combination_const, aff_combination_elt, aff_combination_scale,
5878         aff_combination_add_elt, aff_combination_add,
5879         tree_to_aff_combination, add_elt_to_tree, aff_combination_to_tree,
5880         fold_affine_sum): New functions.
5881         (get_computation_at): Use fold_affine_sum.
5882         * tree-ssa-loop-manip.c (create_iv): Handle ivs with nonconstant step.
5883         * tree-ssa-loop-niter.c (number_of_iterations_exit): Add argument
5884         to simple_iv call.
5885
5886 2005-04-30  Michael Matz  <matz@suse.de>
5887
5888         * config/i386/i386.md (movmemsi): Also active when
5889         TARGET_INLINE_ALL_STRINGOPS.
5890
5891 2005-04-30  Eric Botcazou  <ebotcazou@libertysurf.fr>
5892
5893         PR bootstrap/20633
5894         * config/freebsd-spec.h (FBSD_CPP_SPEC): Add %(cpp_arch).
5895
5896 2005-04-30  Paul Brook  <paul@codesourcery.com>
5897
5898         * config/arm/bpabi.h (RENAME_LIBRARY_SET): Always use .thumb_set in
5899         thumb mode.
5900         * config/arm/ieee754-df.S: Use __INTERWORKING_STUBS__.
5901         * config/arm/ieee754-sf.S: Ditto.
5902         * config/arm/lib1funcs.asm: Define and use __INTERWORKING_STUBS__.
5903         (FUNC_ALIAS): Use .thumb_set for thumb routines.
5904
5905 2005-04-30  Kazu Hirata  <kazu@cs.umass.edu>
5906
5907         * tree-ssanames.c: Fix a comment typo.
5908         * doc/options.texi: Fix a typo.
5909
5910 2005-04-30  Nathan Sidwell  <nathan@codesourcery.com>
5911
5912         * config/h8300/h8300.c (byte_reg): Use gcc_assert and
5913         gcc_unreachable as appropriate.
5914         (split_adds_subs, cond_string, print_operand,
5915         h8300_initial_elimination_offset, h8300_classify_operand,
5916         h8300_unary_length, h8300_short_immediate_length,
5917         h8300_bitfield_length, h8300_binary_length,
5918         h8300_insn_length_from_table, compute_mov_length, output_plussi,
5919         compute_plussi_length, compute_plussi_cc, output_logical_op,
5920         compute_logical_op_length, compute_logical_op_cc,
5921         output_h8sx_shift, get_shift_alg, h8300_shift_needs_scratch_p,
5922         output_a_shift, compute_a_shift_length, compute_a_shift_cc,
5923         output_a_rotate, compute_a_rotate_length, fix_bit_operand,
5924         h8300_regs_ok_for_stm): Likewise.
5925         * config/h8300/h8300.md (*movsi_h8300, *movsf_h8300,
5926         monitor_prologue): Likewise.
5927
5928 2005-04-30  Kazu Hirata  <kazu@cs.umass.edu>
5929
5930         * loop-invariant.c (invariants, create_new_invariant,
5931         get_inv_cost, best_gain_for_invariant,
5932         find_invariants_to_move, move_invariants,
5933         init_inv_motion_data, free_inv_motion_data): Use VEC instead
5934         of VARRAY.
5935
5936 2005-04-29  Richard Henderson  <rth@redhat.com>
5937
5938         * function.c (instantiate_decls): Remove valid_only argument.
5939         (instantiate_decls_1, instantiate_decl): Likewise.
5940         (instantiate_virtual_regs_1): Delete.
5941         (instantiate_virtual_regs_lossage): Delete.
5942         (instantiate_virtual_regs_in_rtx): New.
5943         (safe_insn_predicate): New.
5944         (instantiate_virtual_regs_in_insn): New.
5945         (instantiate_virtual_regs): Update to match all that.  Only run
5946         instantiate_decls once.
5947
5948 2005-04-29  Richard Henderson  <rth@redhat.com>
5949             Daniel Jacobowitz  <dan@codesourcery.com>
5950
5951         * gengtype.c (write_func_for_structure): Split out ...
5952         (output_type_enum): ... new function.  Fix thinko accessing
5953         TYPE_PARAM_STRUCT data.
5954
5955 2005-04-29  Tom Tromey  <tromey@redhat.com>
5956
5957         * tree.c (build_block): Removed unused 'tags' argument.
5958         * tree.h (build_block): Removed argument.
5959
5960 2005-04-29  Michael Matz  <matz@suse.de>
5961
5962         PR rtl-optimization/21144
5963         * postreload.c (reload_cse_move2add): Check for VOIDmode.
5964
5965 2005-04-29  Bob Wilson  <bob.wilson@acm.org>
5966
5967         * config/xtensa/xtensa.h (OPTIMIZATION_OPTIONS): Define to disable
5968         flag_reorder_blocks.
5969
5970 2005-04-28  Kazu Hirata  <kazu@cs.umass.edu>
5971
5972         PR tree-optimization/21030
5973         * tree-vrp.c (adjust_range_with_scev): Do not create invalid
5974         ranges where VR->MAX is smaller than VR->MIN.
5975
5976 2005-04-29  Devang Patel  <dpatel@apple.com>
5977
5978         PR tree-optimization/21272
5979         PR tree-optimization/21266
5980         * tree-if-conv.c (find_phi_replacement_condition): Fix think-o.
5981
5982 2005-04-29  Kazu Hirata  <kazu@cs.umass.edu>
5983
5984         * tree-flow-inline.h: Fix a comment typo.
5985         * doc/tree-ssa.texi: Fix a typo.
5986
5987         * tree-flow-inline.h, tree-ssa-operands.c: Fix comment typos.
5988
5989 2005-04-29  Nathan Sidwell  <nathan@codesourcery.com>
5990
5991         * config/fr30/fr30.c (fr30_expand_prologue): Use gcc_assert and
5992         gcc_unreachable as appropriate.
5993         (fr30_expand_epilogue, fr30_setup_incoming_varargs,
5994         fr30_print_operand, fr30_move_double): Likewise.
5995         * config/fr30/fr30.md (*movsi_internal, *movsf_internal): Likewise.
5996
5997 2005-04-29  Mark Mitchell  <mark@codesourcery.com>
5998
5999         * config/arm/arm.h (ARM_EABI_CTORS_SECTION_OP): Do not define if a
6000         definition has already been provided.
6001         (ARM_EABI_DTORS_SECTION_OP): Likewise.
6002         * config/arm/symbian.h (ARM_EABI_CTORS_SECTION_OP): Define.
6003         (ARM_EABI_DTORS_SECTION_OP): Likewise.
6004
6005 2005-04-29  Jim Tison  <jtison@us.ibm.com>
6006
6007         * config/s390/s390.md ("prologue_tpf", "epilogue_tpf"): Alter
6008         trace hooks calls to improve performance.
6009
6010 2005-04-29  Julian Brown  <julian@codesourcery.com>
6011             Mark Mitchell  <mark@codesourcery.com>
6012             Paul Brook  <paul@codesourcery.com>
6013
6014         * crtstuff.c: Handle targets that use .init_array.
6015         * function.c (HAS_INIT_SECTION): Do not define. Instead, make sure
6016         that INVOKE__main is set correctly.
6017         (expand_main_function): Test INVOKE__main.
6018         * libgcc2.c: Do not define __main when using .init_array.
6019         * config/arm/arm.c (arm_elf_asm_constructor): New function.
6020         * config/arm/arm.h (CTORS_SECTION_ASM_OP): Define, with specialized
6021         libgcc version.
6022         (DTORS_SECTION_ASM_OP): Likewise.
6023         (CTOR_LIST_BEGIN): Define specially when in libgcc.
6024         (CTOR_LIST_END): Likewise.
6025         (DTOR_LIST_BEGIN): Likewise.
6026         (DTOR_LIST_END): Likewise.
6027         * config/arm/bpapi.h (INIT_SECTION_ASM_OP): Do not define it.
6028         (FINI_SECTION_ASM_OP): Likewise.
6029         (INIT_ARRAY_SECTION_ASM_OP): Define.
6030         (FINI_ARRAY_SECTION_ASM_OP): Likewise.
6031         * config/arm/elf.h (TARGET_ASM_CONSTRUCTOR): Define.
6032         (SUPPORTS_INIT_PRIORITY): Evaluate to false for EABI based targets.
6033         * doc/tm.texi (INIT_ARRAY_SECTION_ASM_OP): Document.
6034         (FINI_ARRAY_SECTION_ASM_OP): Likewise.
6035
6036 2005-04-29  Nathan Sidwell  <nathan@codesourcery.com>
6037
6038         * config/m68k/m68k.c (m68k_initial_elimination_offset): Use
6039         gcc_assert and gcc_unreachable as appropriate.
6040         (output_dbcc_and_branch, output_scc_di, legitimize_pic_address,
6041         const_int_cost, output_move_const_into_data_reg,
6042         output_move_qimode, output_move_double, find_addr_reg,
6043         print_operand, print_operand_address): Likewise.
6044         * config/m68k/m68k.md (adddi3, subdi3, negsf2, negdf2, abssf2,
6045         absdf2, sordered, sunordered, suneq, sunge, sungt, sunle, sunlt,
6046         sltgt, bordered, bunordered, buneq, bunge, bungt, bunle, bunlt,
6047         bltgt, *bordered_rev, *bunordered_rev, *buneq_rev, *bunge_rev,
6048         *bunle_rev, *bunlt_rev, *bltgt_rev, negxf2, absxf2,
6049         conditional_trap): Likewise.
6050         * config/m68k/m68kelf.h (ASM_OUTPUT_ALIGN): Remove unreachable code.
6051
6052 2005-04-29  Nathan Sidwell  <nathan@codesourcery.com>
6053
6054         * config/xtensa/xtensa.c (gen_int_relational): Use gcc_assert and
6055         gcc_unreachable as appropriate.
6056         (gen_conditional_move, xtensa_split_operand_pair,
6057         xtensa_split_operand_pair, xtensa_copy_incoming_a7,
6058         xtensa_copy_incoming_a7, xtensa_copy_incoming_a7,
6059         xtensa_copy_incoming_a7, xtensa_output_literal,
6060         xtensa_output_literal, xtensa_output_literal): Likewise.
6061         * config/xtensa/xtensa.h (INITIAL_ELIMINATION_OFFSET): Likewise.
6062         * config/xtensa/xtensa.md (*btrue, *bfalse, *ubtrue, *ubfalse,
6063         *bittrue, *bitfalse, *masktrue, *maskfalse, movsicc_internal0,
6064         movsicc_internal1, movsfcc_internal0,
6065         movsfcc_internal1): Likewise.
6066
6067 2005-04-28  James E Wilson  <wilson@specifixinc.com>
6068
6069         * config/i386/i386.h (HI_REGISTER_NAMES): Fix typos in comment.
6070         (ADDITIONAL_REGISTER_NAMES): Delete obsolete mmx register entries.
6071
6072 2005-04-28  DJ Delorie  <dj@redhat.com>
6073
6074         * opt-functions.awk (var_set): Emit proper initializer for
6075         non-target bitfields.
6076
6077 2005-04-28  Devang Patel  <dpatel@apple.com>
6078
6079         * dbxout.c (have_used_extensions): Remove.
6080         (dbxout_type_fileds, dbxout_type, dbxout_symbol): Remove use of
6081         have_used_extensions.
6082
6083 2005-04-28  James E Wilson  <wilson@specifixinc.com>
6084
6085         * doc/install.texi: Update -enable-languages info.  Correct path to
6086         html docs.
6087
6088 2005-04-28  DJ Delorie  <dj@redhat.com>
6089
6090         * optc-gen.awk (END): Make sure no variable is defined more
6091         than once.
6092         * opth-gen.awk (END): Allocate bits on a per-variable basis.
6093         Allow for bitfield variables other than target_flags.
6094         * doc/options.text (Mask): Document that you may specify a
6095         variable other than target_flags.
6096
6097 2005-04-28  Martin Koegler <mkoegler@auto.tuwien.ac.at>
6098
6099         PR rtl-optimization/18877
6100         * reload.c (decompose) <case REG, case SUBREG>: Handle pseudo reg
6101         number in val.start.
6102
6103 2005-04-28  David Edelsohn  <edelsohn@gnu.org>
6104
6105         PR target/20813
6106         * config/rs6000/aix43.h (SUBSUBTARGET_SWITCHES, aix64): Add
6107         MASK_PPC_GFXOPT.
6108         * config/rs6000/aix51.h (SUBSUBTARGET_SWITCHES, aix64): Same.
6109         * config/rs6000/aix52.h (SUBSUBTARGET_SWITCHES, aix64): Same.
6110         * config/rs6000/sysv4.h (SUBTARGET_SWITCHES, 64): Same.
6111
6112 2005-04-28  Richard Earnshaw  <richard.earnshaw@arm.com>
6113
6114         * arm.c (legitimize_pic_address): Fix sense of assertion test for
6115         creating pseudos when the base offset is too large.
6116
6117 2005-04-28  Kazu Hirata  <kazu@cs.umass.edu>
6118
6119         * global.c (earlyclobber_regclass): Change the type to
6120         VEC(int,heap).
6121         (check_earlyclobber): Update uses of earlyclobber_regclass.
6122         (mark_reg_use_for_earlyclobber): Likewise.
6123         (calculate_local_reg_bb_info): Allocate and free
6124         earlyclobber_regclass using the VEC API.
6125
6126 2005-04-28  Nathan Sidwell  <nathan@codesourcery.com>
6127
6128         * tree-ssa-alias.c (push_fields_onto_fieldstack): Remove bogus
6129         assert.
6130
6131 2005-04-28  Kazu Hirata  <kazu@cs.umass.edu>
6132
6133         * modulo-sched.c, tree-stdarg.c: Use targetm.foo instead of
6134         (*targetm.foo).
6135
6136         * config.gcc: Obsolete c4x-* and tic4x-*.
6137
6138         * tree.h (edge_def): Remove.
6139
6140         * bt-load.c, cfgexpand.c, dwarf2out.c, emit-rtl.c, expr.c,
6141         function.c, global.c, lcm.c, loop-invariant.c, optabs.c,
6142         reorg.c, resource.c, tree-ssa-loop-ivopts.c, value-prof.c: Use
6143         JUMP_P, LABEL_P, REG_P, MEM_P, NONJUMP_INSN_P, and INSN_P
6144         where appropriate.
6145
6146         * attribs.c, c-pragma.c, caller-save.c, cfghooks.h,
6147         coverage.c, cselib.h, domwalk.c, domwalk.h, errors.c,
6148         errors.h, gcov-dump.c, gcov-io.c, gcov-io.h, gen-protos.c,
6149         genattrtab.h, genextract.c, gthr-win32.h, insn-notes.def,
6150         integrate.c, lambda-mat.c, lambda.h, libgcov.c, local-alloc.c,
6151         machmode.def, mips-tfile.c, params.c, pretty-print.c,
6152         print-rtl.c, protoize.c, regmove.c, sched-vis.c, tree-chrec.h,
6153         tree-data-ref.h, vec.h, config/darwin-c.c, config/sol2-c.c,
6154         config/sol2.c, config/arm/arm-cores.def, config/arm/cirrus.md,
6155         config/arm/symbian.h, config/c4x/c4x.c, config/c4x/c4x.h,
6156         config/i386/cygming.h, config/i386/djgpp.h,
6157         config/i386/lynx.h, config/i386/netware.c,
6158         config/i386/winnt.c, config/ia64/ia64-c.c,
6159         config/iq2000/iq2000.c, config/m32r/little.h,
6160         config/m68k/m68k-protos.h, config/m68k/m68k.h,
6161         config/m68k/m68k.md, config/mcore/mcore.c,
6162         config/mcore/mcore.h, config/mmix/mmix.c, config/mmix/mmix.md,
6163         config/mn10300/mn10300-protos.h, config/mn10300/mn10300.c,
6164         config/mn10300/mn10300.h, config/ns32k/netbsd.h,
6165         config/ns32k/ns32k.c, config/ns32k/ns32k.h,
6166         config/pa/pa-hpux11.h, config/pdp11/pdp11.c,
6167         config/pdp11/pdp11.h, config/rs6000/darwin.h,
6168         config/rs6000/default64.h, config/rs6000/rs6000-c.c,
6169         config/s390/2064.md, config/s390/2084.md,
6170         config/s390/s390-modes.def, config/s390/s390-protos.h,
6171         config/s390/tpf.h, config/sh/sh.h, config/sh/symbian.c,
6172         config/stormy16/stormy16.c, config/vax/vax-protos.h,
6173         config/vax/vax.c, config/vax/vax.h,
6174         config/xtensa/lib1funcs.asm, config/xtensa/xtensa.md: Update
6175         copyright.
6176
6177 2005-04-28  Joseph S. Myers  <joseph@codesourcery.com>
6178
6179         * c-typeck.c (build_compound_expr): Correct logic in last change.
6180
6181 2005-04-27  James E. Wilson  <wilson@specifixinc.com>
6182
6183         * config/ia64/ia64.c (update_set_flags): Delete ppred and pcond
6184         parameters.  Replace conditional move code with assert checking for
6185         ar.lc.  Delete obsolete comments.
6186         (set_src_needs_barrier): Delete cond parameter, and code using it.
6187         (rtx_needs_barrier): Delete initialization of cond.  Fix typo in
6188         assert checking for PR_REGS.  Fix calls to update_set_flags and
6189         set_src_needs_barrier.
6190         (group_barrier_needed): Renamed from group_barrier_needed_p.  Fix all
6191         callers.  Rewrite explanatory comment before the function.
6192         (safe_group_barrier_needed): Renamed from safe_group_barrier_needed_p.
6193         Fix all callers.
6194
6195 2005-04-27  Mike Stump  <mrs@apple.com>
6196
6197         * doc/cpp.texi: gcc now implements universal character names.
6198
6199 2005-04-27  Joseph S. Myers  <joseph@codesourcery.com>
6200
6201         PR c/21159
6202         * c-typeck.c (build_compound_expr): Don't warn for left-hand side
6203         being a compound expression whose right-hand side is cast to void.
6204
6205 2005-04-27  Caroline Tice  <ctice@apple.com>
6206
6207         * bb-reorder.c (find_rarely_executed_basic_blocks_and_crossing_edges):
6208         Remove targetm.have_named_sections test.
6209         (fix_edges_for_rarely_executed_code): Likewise.
6210         (insert_section_boundary_note): Likewise.
6211         (reorder_basic_blocks): Check partitioning flag before calling
6212         verify_hot_cold_block_grouping.
6213         * dbxout.c (dbxout_function_end): Get hot/cold section labels from
6214         the function struct rather than global variables.
6215         * dwarf2out.c (COLD_TEXT_SECTION_LABEL): New macro.
6216         (COLD_END_LABEL): Likewise
6217         (cold_text_section_label): New static global variable.
6218         (cold_end_label): Likewise.
6219         (dwarf2out_switch_text_section): Get hot/cold section labels from
6220         the function struct rather than global variables; test to make sure
6221         cfun is defined.
6222         (output_aranges): Use cold_text_section_label and cold_end_label;
6223         check partitioning flag before putting out delta.
6224         (output_ranges): Remove incorrect code attempting to use
6225         hot/cold labels.
6226         (output_line_info): Get cold section label from function struct; test
6227         to make sure cfun is defined.
6228         (add_location_or_const_value_attribute): Likewise.
6229         (dwarf2out_var_location): Likewise.
6230         (dwarf2out_init): Generate cold_text_section_label and cold_end_label;
6231         write out cold_text_section_label if partition flag is set.
6232         (dwarf2out_finish): Write out cold_end_label if partition flag is set;
6233         * function.h (struct function): Add new fields to point to hot/cold
6234         section labels: hot_section_label, cold_section_label,
6235         hot_section_end_label and cold_section_end_label; also add new field
6236         for cold text section name, unlikely_text_section_name.
6237         * opts.c (decode_options): Turn off partitioning flag if
6238         !targetm.have_named_sections.
6239         * output.h (hot_section_label): Remove.
6240         (hot_section_end_label): Remove.
6241         (cold_section_end_label): Remove.
6242         (unlikely_section_label): Remove.
6243         (unlikely_text_section_name): Remove.
6244         * passes.c (rest_of_handle_final):  Remove extra blank line.
6245         * varasm.c (unlikely_section_label): Remove.
6246         (hot_section_label): Remove.
6247         (hot_section_end_label): Remove.
6248         (cold_section_end_label): Remove.
6249         (unlikely_text_section_name):  Remove.
6250         (initialize_cold_section_name): Modify to call
6251         targetm.strip_name_encoding; to store cold section name in current
6252         function struct, if it exists; and to only use the decl_section_name
6253         if flag_named_sections is true.
6254         (unlikely_text_section): Modify to get section name out of current
6255         function struct, if there is one; otherwise build it from
6256         UNLIKELY_EXECUTED_TEXT_SECTION_NAME.
6257         (in_unlikely_text_section): Likewise.
6258         (named_section): Modify to get/put cold section name in current function
6259         struct, if there is one.
6260         (function_section):  Change 'bool unlikely' to 'int reloc'; check
6261         targetm.have_named_sections before calling named_section.
6262         (current_function_section): Likewise.
6263         (assemble_start_function): Modify to get/put unlikely_text_section_name
6264         in current function struct; modify to get hot/cold section labels
6265         from function struct; initialize labels using
6266         ASM_GENERATE_INTERNAL_LABEL;
6267         test partitioning flag before writing out hot section label.
6268         (assemble_end_function): Test partitioning flag before writing out
6269         hot/cold section labels.
6270         (default_section_type_flags_1):  Get cold text section name from
6271         function struct if there is one; Set flags correctly for
6272         cold text section if there is not a current function struct.
6273
6274 2005-04-27  Richard Guenther  <rguenth@gcc.gnu.org>
6275
6276         * tree-ssa-propagate.c (set_rhs): Revert last change.
6277
6278 2005-04-27  Steve Ellcey  <sje@cup.hp.com>
6279
6280         * explow.c (convert_memory_address): Add gcc_assert.
6281
6282 2005-04-27  Mark Mitchell  <mark@codesourcery.com>
6283
6284         * configure.ac: Check for ld --sysroot support.
6285         * gcc.c: Document %R specifier for specs.
6286         (SYSROOT_SPEC): New macro.
6287         (sysroot_spec): New variable.
6288         (static_specs): Add sysroot_spec.
6289         (main): Pass the sysroot spec to the linker if appropriate.
6290         * configure: Regenerated.
6291         * config.in: Likewise.
6292
6293 2005-04-27  Richard Guenther  <rguenth@gcc.gnu.org>
6294
6295         * fold-const.c (fold_binary): Use build_fold_addr_expr
6296         for address calculation and INDIRECT_REF handling.
6297
6298 2005-04-27  Andrew Haley  <aph@redhat.com>
6299
6300         * postreload-gcse.c (hash_scan_set): Remove bogus assertion.
6301
6302 2005-04-27  Nathan Sidwell  <nathan@codesourcery.com>
6303
6304         * config/arm/arm.h (CONDITIONAL_REGISTER_USAGE): Reserve arm frame
6305         pointer when thumb backtracing is on.
6306
6307         * config/fp-bit.c (abort): Revert change.
6308
6309 2005-04-27  Ian Lance Taylor  <ian@airs.com>
6310
6311         * c-semantics.c (add_stmt): Don't test STATEMENT_CODE_P.
6312
6313 2005-04-27  Kazu Hirata  <kazu@cs.umass.edu>
6314
6315         * tree-ssa-dce.c: Fix a comment typo.
6316
6317 2005-04-27  David S. Miller  <davem@davemloft.net>
6318
6319         * explow.c (allocate_dynamic_stack_space SETJMP_VIA_SAVE_AREA):
6320         Kill setjmpless_size.  current_function_calls_setjmp is completely
6321         computed when we are called, so just use the optimized size value
6322         instead of using REG_SAVE_AREA notes.
6323         (optimize_save_area_alloca): Delete....
6324         * rtl.h (optimize_save_area_alloca): Likewise...
6325         * passes.c (rest_of_compilation): and don't call it any more.
6326         * reg-notes.def (SAVE_AREA): Delete.
6327
6328 2005-04-27  Nathan Sidwell  <nathan@codesourcery.com>
6329
6330         * config/fp-bit.c (abort): Add noreturn attribute.
6331
6332         * config/avr/avr.c (avr_naked_function_p): Use gcc_assert and
6333         gcc_unreachable as appropriate.
6334         (ptrreg_to_str, cond_string, avr_normalize_condition): Likewise.
6335         * config/avr/avr.h (ASM_OUTPUT_REG_PUSH,
6336         ASM_OUTPUT_REG_POP): Likewise.
6337
6338 2005-04-27  Paolo Bonzini  <bonzini@gnu.org>
6339
6340         * tree-complex.c (expand_vector_operations_1): Do not build
6341         VIEW_CONVERT_EXPR's for the lhs.
6342
6343 2005-04-27  Nathan Sidwell  <nathan@codesourcery.com>
6344
6345         * config/pa/pa.h (PRINT_OPERAND_ADDRESS): Use gcc_assert, remove
6346         unnecessary noncanonical RTL handling.
6347         * config/pa/pa64-linux.h (INITIAL_ELIMINATION_OFFSET): Use
6348         gcc_assert and gcc_unreachable.
6349
6350         * config/arm/arm.h (ARM_PRINT_OPERAND_ADDRESS): Use gcc_assert and
6351         gcc_unreachable as appropriate.
6352         (THUMB_PRINT_OPERAND_ADDRESS): Likewise.
6353         * config/arm/arm.c (arm_override_options, arm_compute_func_type,
6354         use_return_insn, const_ok_for_op, arm_gen_constant,
6355         arm_canonicalize_comparison, legitimize_pic_address,
6356         thumb_find_work_register, arm_load_pic_register, arm_rtx_costs_1,
6357         arm_cirrus_insn_p, cirrus_reorg, minmax_code,
6358         load_multiple_sequence, emit_ldm_seq, store_multiple_sequence,
6359         emit_stm_seq, arm_gen_movmemqi, arm_select_dominance_cc_mode,
6360         arm_select_cc_mode, arm_reload_in_hi, arm_reload_out_hi,
6361         move_minipool_fix_forward_ref, move_minipool_fix_backward_ref,
6362         dump_minipool, create_fix_barrier, push_minipool_fix, arm_reorg,
6363         fp_immediate_constant, fp_const_from_val, vfp_output_fstmx,
6364         output_call, output_mov_long_double_fpa_from_arm,
6365         output_mov_long_double_arm_from_fpa,
6366         output_mov_double_fpa_from_arm, output_mov_double_arm_from_fpa,
6367         output_move_double, arithmetic_instr, shift_op, int_log2,
6368         output_return_instruction, arm_output_function_prologue,
6369         arm_output_epilogue, arm_output_function_epilogue,
6370         emit_multi_reg_push, arm_get_frame_offsets,
6371         arm_compute_initial_elimination_offset, arm_expand_prologue,
6372         arm_print_operand, arm_assemble_integer, get_arm_condition_code,
6373         arm_final_prescan_insn, arm_init_iwmmxt_builtins,
6374         arm_expand_binop_builtin, thumb_pushpop, thumb_far_jump_used_p,
6375         thumb_compute_initial_elimination_offset,
6376         thumb_output_function_prologue, thumb_load_double_from_address,
6377         thumb_output_move_mem_multiple, thumb_reload_out_hi,
6378         arm_emit_vector_const, arm_dbx_register_number): Likewise.
6379         * config/arm/pe.c (arm_mark_dllexport, arm_mark_dllimport): Likewise.
6380         * config/arm/arm.md (thumb_extendhisi2,
6381         *thumb_extendhisi2_insn_v6, *thumb_extendqisi2,
6382         *thumb_extendqisi2_v6, movhi, *thumb_movhi_insn,
6383         thumb_movhi_clobber, movqi, *arm_buneq, *arm_bltgt,
6384         *arm_buneq_reversed, *arm_bltgt_reversed, suneq, sltgt): Likewise.
6385         * config/arm/cirrus.md (*cirrus_arm_movdi,
6386         *cirrus_movdf_hard_insn): Likewise.
6387         * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
6388
6389 2005-04-27  Kazu Hirata  <kazu@cs.umass.edu>
6390
6391         * tree-flow.h (ssa_names): Change the type to VEC(tree,gc).
6392         (num_ssa_names): Use VEC_length.
6393         (ssa_names): Use VEC_index.
6394         * tree-ssanames.c (ssa_names): Change the type to
6395         VEC(tree,gc).
6396         (init_ssanames, fini_ssa_names, make_ssanames,
6397         release_ssa_name): Update uses of ssa_names.
6398
6399         * dojump.c, emit-rtl.c, expmed.c, expr.c, stmt.c, stor-layout.c:
6400         Use fold_buildN instead of fold (buildN (...)).
6401
6402 2005-04-27  Devang Patel <dpatel@apple.com>
6403
6404         * dbxout.c (dbxout_type): Check use_gnu_debug_info_extensions.
6405
6406 2005-04-27  Matt Thomas <matt@3am-software.com>
6407             Jan-Benedict Glaw <jbglaw@microdata-pos.de>
6408
6409         * config/vax/vax.c (vax_rtx_costs): Whitespace cleanup.
6410         (vax_output_mi_thunk): Ditto.
6411         (vax_notice_cc_update): Ditto.
6412         (INDEX_REGISTER_P): Add trailing \.
6413         (BASE_REGISTER_P): Add trailing \.
6414         (legitimate_address_p): Whitespace cleanup.  Remove trailing \.
6415
6416 2005-04-27  Richard Guenther  <rguenth@gcc.gnu.org>
6417
6418         * tree-ssa-propagate.c (set_rhs): Check operand of
6419         ADDR_EXPR for gimpliness, too.
6420
6421 2005-04-27  Kazu Hirata  <kazu@cs.umass.edu>
6422
6423         * tree-ssa-pre.c: Fix a comment typo.
6424
6425 2005-04-27  Zdenek Dvorak  <dvorakz@suse.cz>
6426
6427         PR tree-optimization/21171
6428         * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not
6429         record address uses if the reference is volatile.
6430
6431 2004-04-27  Paolo Bonzini  <bonzini@gnu.org>
6432
6433         * tree-complex.c (expand_vector_operation): New, extracted from
6434         expand_vector_operations_1.
6435         (tree_vec_extract): Build a NOP_EXPR.
6436         (expand_vec_parallel): Do not care about returning the correct type.
6437         (expand_vector_operations_1): Call expand_vector_operation.
6438         Build the VIEW_CONVERT_EXPR on the left side of MODIFY_EXPRs.
6439
6440         * tree-complex.c (gate_expand_vector_operations): New.
6441         (pass_lower_vector_ssa): Use it.
6442         * tree-optimize.c (init_tree_optimization_passes): Include
6443         pass_lower_vector_ssa.
6444         * tree-vect-transform.c (vect_min_worthwhile_factor): New.
6445         (vectorizable_operation): Use it.
6446         * tree-vectorizer.c (get_vectype_for_scalar_type): Accept
6447         integer modes for the vector type.
6448
6449         * defaults.h (UNITS_PER_SIMD_WORD): Default to UNITS_PER_WORD.
6450         * tree-vect-analyze.c (vect_enhance_data_refs_alignment):
6451         Do not cope with UNITS_PER_SIMD_WORD == 0.
6452         * tree-vectorizer.c (get_vectype_for_scalar_type): Check
6453         if the scalar type is not bigger than UNITS_PER_SIMD_WORD.
6454         (vectorize_loops): Do not check that UNITS_PER_SIMD_WORD > 0.
6455         * config/i386/i386.h (UNITS_PER_SIMD_WORD): Default to UNITS_PER_WORD.
6456         * config/mips/mips.h (UNITS_PER_SIMD_WORD): Likewise.
6457         * config/rs6000/rs6000.h (UNITS_PER_SIMD_WORD): Likewise.
6458         * config/sparc/sparc.h (UNITS_PER_SIMD_WORD): Likewise.
6459
6460         * config/alpha/alpha.h (UNITS_PER_SIMD_WORD): Remove.
6461         * config/bfin/bfin.h (UNITS_PER_SIMD_WORD): Remove.
6462         * config/ia64/ia64.h (UNITS_PER_SIMD_WORD): Remove.
6463
6464         * doc/tm.texi (UNITS_PER_WORD): Rephrase more accurately.
6465         (UNITS_PER_SIMD_WORD): New.
6466
6467 2005-04-27  Nathan Sidwell  <nathan@codesourcery.com>
6468
6469         * config/ia64/ia64.c (ia64_encode_addr_area): Use gcc_assert and
6470         gcc_unreachable as appropriate.
6471         (ia64_expand_load_address, ia64_expand_tls_address,
6472         ia64_split_tmode, ia64_split_tmode_move, ia64_expand_compare,
6473         ia64_expand_vecint_compare, ia64_expand_vecint_minmax,
6474         next_scratch_gr_reg, ia64_initial_elimination_offset,
6475         ia64_expand_prologue, ia64_expand_epilogue,
6476         ia64_output_dwarf_dtprel, ia64_print_operand,
6477         ia64_register_move_cost, first_instruction, rws_access_regno,
6478         update_set_flags, rtx_needs_barrier, group_barrier_needed_p,
6479         ia64_sched_init, ia64_variable_issue,
6480         ia64_first_cycle_multipass_dfs_lookahead_guard,
6481         ia64_dfa_new_cycle, issue_nops_and_insn, get_template, bundling,
6482         ia64_st_address_bypass_p, ia64_ld_address_bypass_p, process_set,
6483         process_for_unwind_directive, ia64_hpux_file_end): Likewise.
6484         * config/ia64/ia64.h (ASM_OUTPUT_ADDR_VEC_ELT): Likewise.
6485         * config/ia64/ia64.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
6486         * config/ia64/predicates.md (got_symbolic_operand,
6487         sdata_symbolic_operand): Likewise.
6488         * config/ia64/vect.md (vcondv2sf): Likewise.
6489
6490 2005-04-27  Matt Thomas <matt@3am-software.com>
6491
6492         * config/vax/vax.c (legitimate_constant_address_p): New.  Formerly
6493         CONSTANT_ADDRESS_P in config/vax/vax.h
6494         (legitimate_constant_p): Added.  Formerly CONSTANT_P in vax.h.
6495         (INDEX_REGISTER_P): New.
6496         (BASE_REGISTER_P): New.
6497         (indirectable_constant_address_p): New.  Adapted from
6498         INDIRECTABLE_CONSTANT_ADDRESS_P in vax.h. Use SYMBOL_REF_LOCAL_P.
6499         (indirectable_address_p): New.  Adapted from
6500         INDIRECTABLE_ADDRESS_P in vax.h.
6501         (nonindexed_address_p): New.  Adapted from
6502         GO_IF_NONINDEXED_ADDRESS in vax.h.
6503         (index_temp_p): New.  Adapted from INDEX_TERM_P in vax.h.
6504         (reg_plus_index_p): New.  Adapted from GO_IF_REG_PLUS_INDEX in vax.h.
6505         (legitimate_address_p): New.  Adapted from
6506         GO_IF_LEGITIMATE_ADDRESS in vax.h.
6507         (vax_mode_dependent_address_p): New.  Adapted from
6508         GO_IF_MODE_DEPENDENT_ADDRESS in vax.h.
6509         * config/vax/vax.h (CONSTANT_ADDRESS_P): Use
6510         legitimate_constant_address_p.
6511         (CONSTANT_P): Use legitimate_constant_p.
6512         (INDIRECTABLE_CONSTANT_ADDRESS_P): Removed.
6513         (INDIRECTABLE_ADDRESS_P): Removed.
6514         (GO_IF_NONINDEXED_ADDRESS): Removed.
6515         (INDEX_TEMP_P): Removed.
6516         (GO_IF_REG_PLUS_INDEX): Removed.
6517         (GO_IF_LEGITIMATE_ADDRESS): Use legitimate_address_p. Two
6518         definitions, depending on whether REG_OK_STRICT is defined.
6519         (GO_IF_MODE_DEPENDENT_ADDRESS): Use vax_mode_dependent_address_p.
6520         Two definitions, depending on whether REG_OK_STRICT is defined.
6521         * config/vax/vax-protos.h (legitimate_constant_address_p): Prototype
6522         added.
6523         (legitimate_constant_p): Prototype added.
6524         (legitimate_address_p): Prototype added.
6525         (vax_mode_dependent_address_p): Prototype added.
6526
6527 2005-04-27  Kazu Hirata  <kazu@cs.umass.edu>
6528
6529         * tree.h (phi_arg_d): Expand a comment in phi_arg_d.
6530
6531 2005-04-27  Joseph S. Myers  <joseph@codesourcery.com>
6532
6533         PR c/21213
6534         * c-decl.c (finish_struct): Don't dereference NULL TYPE_FIELDS of
6535         transparent union.
6536
6537 2005-04-27  Joseph S. Myers  <joseph@codesourcery.com>
6538
6539         PR c/20740
6540         * c-format.c (init_dynamic_asm_fprintf_info): Give errors, not
6541         assertion failures, if __gcc_host_wide_int__ is not properly
6542         defined.
6543         (init_dynamic_diag_info): Give errors, not assertion failures, if
6544         location_t, tree or __gcc_host_wide_int__ are not properly
6545         defined.
6546
6547 2005-04-26  Kazu Hirata  <kazu@cs.umass.edu>
6548
6549         * tree-ssa-loop-ivopts.c (ivopts_data, decl_rtl_to_reset,
6550         n_iv_uses, iv_use, n_iv_cands, iv_cand,
6551         tree_ssa_iv_optimize_init, record_use, add_candidate_1,
6552         prepare_decl_rtl, free_loop_data,
6553         tree_ssa_iv_optimize_finalize): Use the VEC API instead of
6554         VARRAY.
6555
6556         * tree.h (tree_phi_node): Add a comment about the order of PHI
6557         arguments.
6558
6559 2005-04-26  Paul Brook  <paul@codesourcery.com>
6560
6561         * config/arm/arm.md (thumb_mulsi3): Use two-operand assembly form.
6562
6563 2005-04-26  Nathan Sidwell  <nathan@codesourcery.com>
6564
6565         * config/mips.mips.c (mips_legitimize_tls_address): Use
6566         gcc_unreachable.
6567
6568         * config/mmix/mmix.c (mmix_assemble_integer): Use gcc_assert.
6569         * config/mmix/crti.asm (_init): Reword comment to avoid 'abort'.
6570         * config/mmix/mmix.md (nonlocal_goto_receiver): Likewise.
6571
6572         * config/sparc/sparc.h (enum reg_class): Reword comment to avoid
6573         'abort'.
6574
6575 2005-04-26  Jeff Law  <law@redhat.com>
6576
6577         * tree-flow-inline.h (op_iter_next_must_and_may_def): New.
6578         (op_iter_init_must_and_may_def): Likewise.
6579         (unmodifiable_var_p): Move to a later point in the file.
6580         * tree-ssa-operands.h (FOR_EACH_SSA_MUST_AND_MAY_DEF_OPERAND): New.
6581         * tree-ssa-dse.c (need_imm_uses_for): Remove, no longer needed.
6582         (dse_record_phis): Directly check for virtual operands rather than
6583         using need_imm_uses_for.
6584         (dse_optimize_stmt): Handle V_MUST_DEF operands.  Handle case where
6585         store has multiple V_{MAY,MUST}_DEF operands.
6586
6587 2005-04-26  Andrew MacLeod  <amacleod@redhat.com>
6588
6589         * tree-cfg.c (bsi_replace): Delink immediate uses for the original
6590         stmt.
6591
6592 2005-04-26  Kazu Hirata  <kazu@cs.umass.edu>
6593
6594         * tree-cfg.c (lv_adjust_loop_header_phi): Speed up moving a
6595         call to find_edge outside a loop to go through a PHI chain.
6596
6597 2004-04-26  Richard Guenther  <rguenth@gcc.gnu.org>
6598
6599         PR tree-optimization/17598
6600         * fold-const.c (fold_binary): Fold comparisons of addresses
6601         of COMPONENT_REFs which reference the same field to
6602         comparisons of the addresses of the base objects.
6603
6604 2005-04-26  Julian Brown  <julian@codesourcery.com>
6605
6606         * config/arm/arm.c (arm_return_in_msb): New function.
6607         (arm_must_pass_in_stack): New function.
6608         (TARGET_RETURN_IN_MSB): Define target hook.
6609         (TARGET_MUST_PASS_IN_STACK): Define target hook.
6610         (arm_function_value): Pad small aggregate return.
6611         (arm_pad_arg_upward): New function.
6612         (arm_pad_reg_upward): New function.
6613         * config/arm/arm.h (PROMOTE_FUNCTION_MODE): Include complex values.
6614         (FUNCTION_ARG_PADDING): Define macro.
6615         (BLOCK_REG_PADDING): Define macro.
6616         (PAD_VARARGS_DOWN): Correct padding for AAPCS.
6617         * config/arm/arm-protos.h (arm_pad_arg_upward): Declare function.
6618         (arm_pad_reg_upward): Declare function.
6619
6620 2005-04-26  Kazu Hirata  <kazu@cs.umass.edu>
6621
6622         * basic-block.h (ei_cond): New.
6623         (FOR_EACH_EDGE): Call ei_cond.
6624
6625         PR tree-optimization/21047
6626         * fold-const.c (fold_binary): Abort on ASSERT_EXPR.
6627         (fold): Don't handle ASSERT_EXPR.
6628
6629 2005-04-25  Roger Sayle  <roger@eyesopen.com>
6630
6631         * sched-deps.c (sched_analyze_1): On STACK_REGS targets, x87, treat
6632         all writes to any stack register as a read/write dependency on
6633         FIRST_STACK_REG.
6634         (sched_analyze_2): Likewise, for reads from any stack register.
6635
6636 2005-04-25  Richard Henderson  <rth@redhat.com>
6637
6638         * final.c (output_addr_const): Revert 2005-04-09 change.
6639
6640 2005-04-25  Mike Stump  <mrs@apple.com>
6641
6642         * config/darwin.c (darwin_encode_section_info): Always set
6643         MACHO_SYMBOL_STATIC for all ! TREE_PUBLIC symbols.
6644
6645 2005-04-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6646
6647         * collect2.c, gcc.c, gcov-dump.c, gcov.c, gen-protos.c,
6648         gensupport.c, protoize.c, toplev.c: Replace calls to
6649         `unlock_stream' with `unlock_std_streams'.
6650
6651 2005-04-25  Devang Patel <dpatel@apple.com>
6652
6653         * dbxout.c (dbxout_type): Emit attribute vector.
6654
6655 2005-04-05  Paul Brook  <paul@codesourcery.com>
6656
6657         * target-def.h (TARGET_CXX_USE_AEABI_ATEXIT): Define.
6658         * target.h (struct gcc_target): Add cxx.use_aeabi_atexit.
6659         * config/arm/arm.c (arm_cxx_atexit_name): New function.
6660         (TARGET_CXX_USE_AEABI_ATEXIT): New macro.
6661         * cp/decl.c (get_atexit_node): Reorder arguments for __aeabi_atexit.
6662         (register_dtor_fn): Likewise.
6663         * doc/tm.texi: Document TARGET_CXX_USE_AEABI_ATEXIT.
6664
6665 2005-04-25  Ian Lance Taylor  <ian@airs.com>
6666
6667         * c-common.def (EXPR_STMT): Remove, moved to C++ frontend.
6668         * c-common.h (EXPR_STMT_EXPR): Don't define.
6669         (c_common_stmt_codes): Don't define.
6670         * c-dump.c (c_dump_tree): Remove EXPR_STMT case.
6671         * c-gimplify.c (gimplify_expr_stmt): Remove.
6672         (c_gimplify_expr): Remove EXPR_STMT case.
6673         * c-objc-common.c (c_objc_common_init): Remove stmt_codes and call
6674         to INIT_STATEMENT_CODES.
6675         * c-pretty-print.c (pp_c_statement): Just call dump_generic_node.
6676
6677 2005-04-25  Jan Hubicka  <jh@suse.cz>
6678
6679         * tree-cfg.c (tree_duplicate_bb): Duplicate EH region too.
6680
6681         * except.c: Include diagnostic.h
6682         (dump_eh_tree, verify_eh_tree): New functions.
6683         * except.h (verify_eh_tree, dump_eh_tree, verify_eh_edges): Declare.
6684         * tree-cfg.c (tree_verify_flow_info): verify eh edges.
6685         (dump_function_to_file): dump eh tree.
6686         * tree-eh.c (mark_eh_edge): New function.
6687         (mark_eh_edge_found_error): New static variable.
6688         (verify_eh_edges): New function.
6689
6690 2005-04-25  Nathan Sidwell  <nathan@codesourcery.com>
6691
6692         * tree-ssa-alias.c (fieldoff_t): Remove.
6693         (fieldoff_s): typedef the structure itself.  Create a vector of
6694         objects.
6695         (push_fields_onto_fieldstack): Return count of fields pushed.
6696         Remove peeling of first field.  Adjust.
6697         (fieldoff_compare): Adjust.
6698         (create_overlap_variables_for): Adjust.
6699
6700 2005-04-25  Joseph S. Myers  <joseph@codesourcery.com>
6701
6702         * doc/invoke.texi (Blackfin Options): Avoid empty @opindex line.
6703
6704 2005-04-25  Joseph S. Myers  <joseph@codesourcery.com>
6705
6706         PR bootstrap/21215
6707         * doc/install.texi: Document correct assembler and linker to use
6708         on i?86-*-solaris2.10.
6709
6710 2005-04-25  Steven Bosscher  <stevenb@suse.de>
6711
6712         Fix PR tree-optimization/21173
6713
6714         * tree-ssa-pre.c (create_expression_by_pieces): Simplify code.
6715         Unshare expression we pass to force_gimple_operand.
6716
6717 2005-04-25  J"orn Rennecke <joern.rennecke@st.com>
6718             Stephen Clarke <stevec@superh.com>
6719             Roger Sayle <roger@eyesopen.com>
6720
6721         PR rtl-optimization/20413
6722         * cfgrtl.c (redirect_edge_and_branch): Use Pmode instead of
6723         VOIDmode for LABEL_REF.
6724         * final.c (shorten_branches): Likewise.
6725         * jump.c (mark_all_labels, redirect_exp_1): Likewise.
6726         * loop.c (reg_dead_after_loop): Likewise.
6727         * varasm.c (decode_addr_const): Likewise.
6728         * doc/rtl.texi: Document mode requirement for LABEL_REF.
6729
6730 2005-04-25  Ralf Corsepius  <ralf.corsepius@rtems.org>
6731
6732         * config.gcc (avr-*-*): Remove redundant "case".
6733
6734 2005-04-25  Kazu Hirata  <kazu@cs.umass.edu>
6735
6736         * tree-vect-analyze.c (vect_mark_relevant): Take
6737         VEC(tree,heap) instead of varray_type as an argument.
6738         (vect_mark_stmts_to_be_vectorized): Change the type of
6739         worklist to VEC(tree,heap).  Adjust uses of worklist.
6740
6741 2005-04-24  Devang Patel  <dpatel@apple.com>
6742
6743         *  config/rs6000/darwin.h (ASM_OUTPUT_MAX_SKIP_ALIGN): New.
6744
6745 2005-04-24  Ian Lance Taylor  <ian@airs.com>
6746
6747         * c-semantics.c (build_stmt): Remove test of specific tree codes
6748         for TREE_SIDE_EFFECTS handling.
6749
6750 2005-04-24  Per Bothner  <per@bothner.com>
6751
6752         * c-opts.c (finish_options):  Make the line-number of the <built-in>
6753         location 0, as assumed elsewhere, rather than 1.
6754
6755 2005-04-24  Kazu Hirata  <kazu@cs.umass.edu>
6756
6757         * tree-ssa-uncprop.c (equiv_stack): Change the type o
6758         VEC(tree,heap).
6759         (tree_ssa_uncprop, uncprop_finalize_block,
6760         uncprop_initialize_block): Update uses of equiv_stack.
6761
6762 2005-04-24  Richard Henderson  <rth@redhat.com>
6763
6764         PR rtl-opt/21163
6765         * simplify-rtx.c (simplify_binary_operation) <IOR>: Check
6766         for SCALAR_INT_MODE_P instead of not MODE_CC before returning
6767         constm1_rtx.
6768         <AND, LSHIFTRT, UMIN>: Use CONST0_RTX.
6769         <UDIV, UMOD>: Use CONST0_RTX and CONST1_RTX.
6770         <DIV, MOD>: Likewise.
6771
6772 2005-04-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6773
6774         * collect2.c (main): Unlock the stdio streams.
6775         * gcc.c (main): Likewise.
6776         * gcov-dump.c (main): Likewise.
6777         * gcov.c (main): Likewise.
6778         * gen-protos.c (main): Likewise.
6779         * gensupport.c (init_md_reader_args_cb): Likewise.
6780         * protoize.c (main): Likewise.
6781         * toplev.c (general_init): Likewise.
6782
6783 2005-04-24  Jakub Jelinek  <jakub@redhat.com>
6784
6785         PR middle-end/20991
6786         * cgraph.h (cgraph_local_info): Add vtable_method field.
6787         * varasm.c (mark_decl_referenced): If cgraph_global_info_ready
6788         and node is vtable_method, finalized and not reachable, don't do
6789         anything.
6790
6791 2005-04-24  Kazu Hirata  <kazu@cs.umass.edu>
6792
6793         * tree-ssa-copy.c (copy_prop_visit_cond_stmt): Use
6794         COMPARISON_CLASS_P.
6795         * tree-ssa-pre.c (create_value_expr_from): Use
6796         CONSTANT_CLASS_P and REFERENCE_CLASS_P.
6797         * tree-ssa-propagate.c (stmt_makes_single_load,
6798         stmt_makes_single_store): Use REFERENCE_CLASS_P.
6799         * tree-vect-transform.c (vect_is_simple_cond): Use
6800         COMPARISON_CLASS_P.
6801         * tree-vrp.c (extract_range_from_assert,
6802         build_assert_expr_for, fp_predicate, has_assert_expr): Use
6803         COMPARISON_CLASS_P.
6804
6805         * tree-ssa-live.c (build_tree_conflict_graph): Change the type
6806         of tpa_to_clear to VEC(int,heap).  Update uses of
6807         tpa_to_clear.  Free tpa_to_clear at the end.
6808
6809 2005-04-24  Andrew Pinski  <pinskia@physics.uc.edu>
6810
6811         * tree.h (TREE_THIS_VOLATILE): Document the effect on a
6812         function decl.
6813
6814 2005-04-24  Nathan Sidwell  <nathan@codesourcery.com>
6815
6816         * config/rs6000/rs6000.c (rs6000_override_options): Use gcc_assert
6817         and gcc_unreachable as appropriate.
6818         (num_insns_constant, output_vec_const_move,
6819         build_mask64_2_operands, rs6000_output_dwarf_dtprel,
6820         rs6000_emit_set_const, rs6000_emit_move,
6821         spe_build_register_parallel, function_arg,
6822         rs6000_move_block_from_reg, altivec_expand_predicate_builtin,
6823         spe_expand_predicate_builtin, spe_expand_evsel_builtin,
6824         rs6000_expand_builtin, spe_init_builtins, altivec_init_builtins,
6825         rs6000_common_init_builtins, expand_block_clear,
6826         expand_block_move, validate_condition_mode, ccr_bit, extract_MB,
6827         extract_ME, rs6000_get_some_local_dynamic_name,
6828         rs6000_output_function_entry, print_operand,
6829         print_operand_address, rs6000_generate_compare, rs6000_emit_sCOND,
6830         output_cbranch, output_e500_flip_gt_bit,
6831         rs6000_emit_vector_compare, rs6000_emit_vector_compare,
6832         rs6000_emit_cmove, rs6000_emit_minmax, rs6000_split_multireg_move,
6833         compute_save_world_info, rs6000_stack_info,
6834         rs6000_emit_load_toc_table, rs6000_frame_related,
6835         spe_synthesize_frame_save, rs6000_emit_epilogue,
6836         rs6000_output_function_epilogue, rs6000_hash_constant, output_toc,
6837         output_function_profiler, rs6000_trampoline_size,
6838         rs6000_initialize_trampoline, find_addr_reg,
6839         rs6000_machopic_legitimize_pic_address,
6840         rs6000_initial_elimination_offset,
6841         rs6000_dbx_register_number): Likewise.
6842         * config/rs6000/rs6000.md (*fix_truncdfsi2_internal,
6843         *movdf_hardfloat32, *movdf_softfloat32, *fix_trunctfsi2_internal,
6844         *movti_power, *movti_string, call, call_value, sibcall,
6845         sibcall_value): Likewise.
6846         * config/rs6000/spe.md (*movdf_e500_double,
6847         *movv2si_internal): Likewise.
6848         * config/rs6000/rs6000.h (PREFERRED_RELOAD_CLASS): Remove 'abort'
6849         from comment.
6850
6851 2005-04-24  Richard Henderson  <rth@redhat.com>
6852
6853         PR target/21101
6854         * config/i386/i386.h (CANNOT_CHANGE_MODE_CLASS): Move guts to ...
6855         * config/i386/i386.c (ix86_cannot_change_mode_class): ... here.
6856         Deny modes smaller than 4 bytes.
6857         * config/i386/i386-protos.h: Update.
6858
6859 2005-04-24  Ralf Corsepius  <ralf.corsepius@rtems.org>
6860
6861         * config.gcc (h8300-*-rtems*): Add h8300-*-rtemscoff*.
6862         Switch h8300-*-rtems* to ELF.
6863
6864 2005-04-24  Kazu Hirata  <kazu@cs.umass.edu>
6865
6866         * vec.h (VEC_safe_grow): Replace grow with safe_grow.
6867
6868 2005-04-23  Kazu Hirata  <kazu@cs.umass.edu>
6869
6870         * ipa-inline.c, tree-ssa-operands.h: Fix comment typos.
6871
6872 2005-04-23  Richard Guenther  <rguenth@gcc.gnu.org>
6873
6874         PR middle-end/21082
6875         * fold-const.c: Fold &a[i]-&a[j] to i-j.
6876
6877 2005-04-23  Zdenek Dvorak  <dvorakz@suse.cz>
6878
6879         * tree-ssa-loop-niter.c (tree_simplify_using_condition): Expand simple
6880         definitions of ssa names in condition.  Split recusive part to ...
6881         (tree_simplify_using_condition_1): New function.
6882         (expand_simple_operations): New function.
6883
6884 2005-04-23  Zdenek Dvorak  <dvorakz@suse.cz>
6885
6886         * tree-ssa-loop-ivopts.c (struct cost_pair): Add value field.
6887         (find_interesting_uses_cond): Do not use integer_zerop and
6888         integer_nonzerop to check for integer constants.
6889         (set_use_iv_cost): Record the value field.
6890         (determine_use_iv_cost_generic, determine_use_iv_cost_address,
6891         determine_use_iv_cost_outer): Set the value field of the cost pair.
6892         (may_eliminate_iv): Do not return the comparison code.
6893         (iv_elimination_compare): New function.
6894         (determine_use_iv_cost_condition): Set the value field.  Record
6895         noneliminable invariants correctly.
6896         (rewrite_use_compare, rewrite_use_outer): Use the value field.
6897
6898 2005-04-23  DJ Delorie  <dj@redhat.com>
6899
6900         * diagnostic.c (warning): Accept parameter to classify warning option.
6901         (warning0): New, for when a pointer to an error() like function is needed.
6902         * errors.c (warning): Likewise.
6903         * errors.h (warning, warning0): Adjust prototypes.
6904         * toplev.h (warning, warning0): Likewise.
6905
6906         * attribs.c, builtins.c, c-common.c, c-decl.c, c-format.c,
6907         c-gimplify.c, c-lex.c, c-objc-common.c, c-opts.c, c-parser.c,
6908         c-pragma.c, c-typeck.c, calls.c, cgraph.c, coverage.c, emit-rtl.c,
6909         fold-const.c, fortran/trans-decl.c, function.c, gcse.c,
6910         genautomata.c, haifa-sched.c, opts.c, passes.c, regclass.c,
6911         reload1.c, stmt.c, stor-layout.c, toplev.c, tree-cfg.c,
6912         tree-dump.c, tree-inline.c, tree-mudflap.c, tree-optimize.c,
6913         tree-ssa.c, tree.c, varasm.c: Adjust warning() callers.
6914
6915         * config/alpha/alpha.c, config/arc/arc.c, config/arm/arm.c,
6916         config/avr/avr.c, config/bfin/bfin.c, config/c4x/c4x-c.c,
6917         config/c4x/c4x.c, config/cris/cris.c, config/darwin-c.c,
6918         config/darwin.c, config/darwin.h, config/h8300/h8300.c,
6919         config/i386/cygming.h, config/i386/djgpp.h, config/i386/i386.c,
6920         config/i386/winnt.c, config/ia64/ia64-c.c, config/ia64/ia64.c,
6921         config/ip2k/ip2k.c, config/m32r/m32r.c, config/m68hc11/m68hc11.c,
6922         config/m68k/m68k.c, config/mcore/mcore.c, config/mips/mips.c,
6923         config/mmix/mmix.c, config/ns32k/ns32k.c, config/pa/pa-hpux11.h,
6924         config/pa/pa.c, config/rs6000/aix43.h, config/rs6000/aix51.h,
6925         config/rs6000/aix52.h, config/rs6000/darwin.h,
6926         config/rs6000/rs6000-c.c, config/rs6000/rs6000.c,
6927         config/s390/s390.c, config/sh/sh.c, config/sh/sh.h,
6928         config/sh/symbian.c, config/sol2-c.c, config/sol2.c,
6929         config/stormy16/stormy16.c, config/v850/v850-c.c,
6930         config/v850/v850.c, config/xtensa/xtensa.c: Adjust warning()
6931         callers.
6932
6933 2005-04-23  Richard Henderson  <rth@redhat.com>
6934
6935         PR rtl-opt/21102
6936         * simplify-rtx.c (simplify_binary_operation): Fix mode check before
6937         performing some integral scalar simplifications.
6938
6939 2005-04-23  Richard Henderson  <rth@redhat.com>
6940
6941         PR target/21099
6942         * config/i386/i386.c (ix86_split_to_parts): Use proper mode when
6943         simplifying CONST_VECTOR.
6944
6945 2005-04-23  Kazu Hirata  <kazu@cs.umass.edu>
6946
6947         * tree-ssa-live.c (live_worklist): Take a stack allocated on
6948         heap as an argument.  Update uses of stack.
6949         (calculate_live_on_entry): Allocate stack on heap.
6950
6951         * tree-ssa-live.c (build_tree_conflict_graph): Allocate
6952         partition_link and tpa_nodes on heap.
6953
6954         * tree-ssa-dce.c (worklist): Change to VEC(tree,heap).
6955         (mark_stmt_necessary, propagate_necessity,
6956         mark_really_necessary_kill_operand_phis): Update uses of
6957         worklist.
6958         (tree_dce_init): Allocate worklist using VEC_alloc.
6959         (tree_dce_done): Free worklist using VEC_free.
6960
6961 2005-04-23  Mike Stump  <mrs@apple.com>
6962
6963         * config/darwin.c (machopic_indirection_name): Don't use
6964         quotes needlessly.
6965         (darwin_emit_unwind_label): Use user_label_prefix instead of
6966         "_".
6967
6968 2005-04-23  Kazu Hirata  <kazu@cs.umass.edu>
6969
6970         * final.c, ipa-inline.c, varasm.c: Fix comment typos.
6971
6972 2005-04-23  Hans-Peter Nilsson  <hp@axis.com>
6973
6974         * config.gcc <cris-*>: Specify .opt files.
6975         * config/cris/cris.opt, config/cris/elf.opt, config/cris/aout.opt,
6976         config/cris/linux.opt: New files.
6977         * config/cris/aout.h (CRIS_SUBTARGET_SWITCHES)
6978         (CRIS_SUBTARGET_LONG_OPTIONS): Don't define.
6979         (TARGET_ELF): Override to 0.
6980         (CRIS_SUBTARGET_HANDLE_OPTION): Override to handle -melinux and
6981         -melinux-stacksize=N.
6982         * config/cris/cris.c: (cris_handle_option): New function.
6983         (TARGET_DEFAULT_TARGET_FLAGS): Override.
6984         (TARGET_HANDLE_OPTION): Override to cris_handle_option.
6985         (cris_override_options): Use MASK_*, not TARGET_MASK_*.
6986         * config/cris/cris.h (TARGET_MASK_SVINTO, TARGET_SVINTO,
6987         (TARGET_MASK_CCINIT, TARGET_CCINIT, TARGET_MASK_PDEBUG)
6988         (TARGET_PDEBUG, TARGET_MASK_SIDE_EFFECT_PREFIXES)
6989         (TARGET_SIDE_EFFECT_PREFIXES, TARGET_MASK_EXPAND_MUL)
6990         (TARGET_EXPAND_MUL, TARGET_MASK_STACK_ALIGN, TARGET_STACK_ALIGN)
6991         (TARGET_MASK_CONST_ALIGN, TARGET_CONST_ALIGN)
6992         (TARGET_MASK_DATA_ALIGN, TARGET_DATA_ALIGN)
6993         (TARGET_MASK_PROLOGUE_EPILOGUE, TARGET_PROLOGUE_EPILOGUE)
6994         (TARGET_MASK_ETRAX4_ADD, TARGET_ETRAX4_ADD)
6995         (TARGET_MASK_ALIGN_BY_32, TARGET_ALIGN_BY_32, TARGET_MASK_ELF)
6996         (TARGET_ELF, TARGET_MASK_LINUX, TARGET_LINUX)
6997         (TARGET_MASK_AVOID_GOTPLT, TARGET_AVOID_GOTPLT)
6998         (TARGET_MASK_MUL_BUG, TARGET_MUL_BUG, TARGET_SWITCHES)
6999         (CRIS_SUBTARGET_SWITCHES, TARGET_OPTIONS)
7000         (CRIS_SUBTARGET_LONG_OPTIONS): Don't define.
7001         (TARGET_LINUX): Define 0.
7002         (TARGET_DEFAULT): Use MASK_*, not TARGET_MASK_*.
7003         (CRIS_SUBTARGET_DEFAULT): Define to 0, not TARGET_MASK_ELF.
7004         (CRIS_SUBTARGET_DEFAULT): New empty default macro.
7005         * config/cris/linux.h (CRIS_SUBTARGET_SWITCHES): Don't define.
7006         (TARGET_LINUX): Override to 1.
7007         (CRIS_SUBTARGET_DEFAULT): Use MASK_*, not TARGET_MASK_*.
7008
7009 2005-04-23  Nathan Sidwell  <nathan@codesourcery.com>
7010
7011         * haifa-sched.c (schedule_block): Fix thinko in previous
7012         assertification patch.
7013
7014 2005-04-23  Richard Sandiford  <rsandifo@redhat.com>
7015
7016         * config.gcc (hppa[12]*-*-hpux10*): Add pa/pa-hpux.opt to
7017         $extra_options.  Also add pa/pa-hpux1010.opt for hpux10.[1-9]*.
7018         (hppa*64*-*-hpux11*): Add pa/pa-hpux1010.h to $tm_file.  Add
7019         pa/pa-hpux.opt, pa/pa-hpux1010.opt and pa/pa64-hpux.opt to
7020         $extra_options.  Also add pa/pa-hpux1111.opt for hpux11.[1-9]*.
7021         (hppa[12]*-*-hpux11*): Add pa/pa-hpux1010.h to $tm_file.  Add
7022         pa/pa-hpux.opt to $extra_options.  Also add pa/pa-hpux1111.opt
7023         for hpux11.[1-9]*.
7024         * config/pa/pa.h (architecture_type, rtx_def, pa_arch_string, pa_arch)
7025         (pa_fixed_range_string, pa_cpu_string, pa_unix_string, target_flags)
7026         (MASK_PA_11, MASK_DISABLE_FPREGS, TARGET_DISABLE_FPREGS)
7027         (MASK_NO_SPACE_REGS, TARGET_NO_SPACE_REGS, MASK_JUMP_IN_DELAY)
7028         (TARGET_JUMP_IN_DELAY, MASK_DISABLE_INDEXING, TARGET_DISABLE_INDEXING)
7029         (MASK_PORTABLE_RUNTIME, TARGET_PORTABLE_RUNTIME, MASK_GAS, TARGET_GAS)
7030         (MASK_SOFT_FLOAT, TARGET_SOFT_FLOAT, MASK_LONG_LOAD_STORE)
7031         (TARGET_LONG_LOAD_STORE, MASK_FAST_INDIRECT_CALLS)
7032         (TARGET_FAST_INDIRECT_CALLS, MASK_BIG_SWITCH, TARGET_BIG_SWITCH)
7033         (MASK_PA_20, MASK_SIO, TARGET_SIO, MASK_GNU_LD, TARGET_GNU_LD)
7034         (MASK_LONG_CALLS, TARGET_LONG_CALLS, TARGET_PA_11, TARGET_PA_20)
7035         (TARGET_SWITCHES, SUBTARGET_SWITCHES, TARGET_OPTIONS)
7036         (SUBTARGET_OPTIONS): Delete.
7037         (TARGET_PA_10): Redefine in terms of TARGET_PA_11 and TARGET_PA_20.
7038         (TARGET_SCHED_DEFAULT): Define to a PROCESSOR_* enum (PROCESSOR_8000)
7039         instead of a string.
7040         * config/pa/pa.c (pa_arch, pa_arch_string, pa_fixed_range_string)
7041         (pa_cpu_string, pa_unix_string): Delete.
7042         (pa_cpu): Initialize to TARGET_SCHED_DEFAULT.
7043         (flag_pa_unix): Initialize based on TARGET_HPUX_11_11 and
7044         TARGET_HPUX_10_10.
7045         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
7046         (pa_handle_option): New function.
7047         (override_options): Remove handling of -march=, -mfixed-range=,
7048         -mschedule= and -munix=.
7049         * config/pa/pa-hpux.h (SUBTARGET_SWITCHES): Delete.
7050         * config/pa/pa-hpux1010.h (SUBTARGET_OPTIONS): Delete.
7051         * config/pa/pa-hpux10.h (SUBTARGET_OPTIONS): Delete.
7052         * config/pa/pa-hpux1111.h (SUBTARGET_OPTIONS): Delete.
7053         * config/pa/pa-hpux11.h (SUBTARGET_OPTIONS): Delete.
7054         * config/pa/pa64-hpux.h (SUBTARGET_SWITCHES): Delete.
7055         * config/pa/pa64-start.h (TARGET_PA_11, TARGET_PA_20): #undef before
7056         redefining.
7057         * config/pa/pa.opt: New file.
7058         * config/pa/pa-hpux.opt: New file.
7059         * config/pa/pa-hpux1010.opt: New file.
7060         * config/pa/pa-hpux1111.opt: New file.
7061         * config/pa/pa64-hpux.opt: New file.
7062
7063 2005-04-22  David S. Miller  <davem@davemloft.net>
7064
7065         * rtl.h (CONST_DOUBLE): Fix comment, a CONST_DOUBLE holds an
7066         integer when it's mode is VOIDmode not DImode.
7067
7068 2005-04-22  Geoffrey Keating  <geoffk@apple.com>
7069
7070         * config/rs6000/rs6000.md (sync_add<mode>_internal,
7071         sync_addshort_internal, sync_sub<mode>_internal, sync_andsi_internal,
7072         sync_anddi_internal, sync_boolsi_internal, sync_booldi_internal,
7073         sync_boolc<mode>_internal, sync_boolc<mode>_internal2,
7074         sync_boolcc<mode>_internal, sync_lock_test_and_set<mode>): Use
7075         "bne- $-xxx" rather than local labels.
7076         (sync_lock_release<mode>): Add second operand.
7077         (lwsync): Use .long rather than a more meaningful opcode.
7078         * doc/md.texi (Standard Names): Add description of second
7079         parameter to sync_lock_test_and_set.
7080
7081 2005-04-23  Kazu Hirata  <kazu@cs.umass.edu>
7082
7083         PR tree-optimization/21088
7084         * fold-const.c (fold_unary, fold_binary, fold_ternary):
7085         Export.
7086         * tree-vrp.c (compare_values): Use fold_binary to compare
7087         pointers.  Use boolean_type_node as the type of a comparison
7088         expression being folded.
7089         * tree.h: Add prototypes for fold_unary, fold_binary,
7090         fold_ternary.
7091
7092         * tree-ssa-dom.c: Fix formatting.
7093
7094 2005-04-22  Diego Novillo  <dnovillo@redhat.com>
7095
7096         * Makefile.in (tree-into-ssa.o): Add dependency on PARAMS_H.
7097         * lambda-code.c (perfect_nestify): Mark virtual operands in
7098         the moved statement for renaming.
7099         * params.def (PARAM_MIN_VIRTUAL_MAPPINGS): Define.
7100         (PARAM_VIRTUAL_MAPPINGS_TO_SYMS_RATIO): Define.
7101         * params.h (MIN_VIRTUAL_MAPPINGS): Define.
7102         (VIRTUAL_MAPPINGS_TO_SYMS_RATIO): Define.
7103         * tree-flow.h (struct var_ann_d): Update comments.
7104         (rewrite_to_new_ssa_names_bb, rewrite_to_new_ssa_names,
7105         allocate_ssa_names, find_phi_node_for, dump_tree_ssa,
7106         debug_tree_ssa, debug_def_blocks, dump_tree_ssa_stats,
7107         debug_tree_ssa_stats, rewrite_ssa_into_ssa,
7108         dump_repl_tbl, debug_repl_tbl, dump_names_replaced_by,
7109         debug_names_replaced_by): Remove declarations.
7110         (delete_update_ssa, get_current_def, set_current_def): Declare.
7111         (rewrite_into_loop_closed_ssa): Add new argument.  Update
7112         all callers.
7113         * tree-into-ssa.c: Include params.h.
7114         (old_virtual_ssa_names): Remove.  Update all users.
7115         (need_to_replace_names_p): Remove.  Update all users.
7116         (struct update_ssa_stats_d): Declare.
7117         (update_ssa_stats): New local.
7118         (dump_tree_ssa, debug_tree_ssa, debug_def_blocks,
7119         dump_tree_ssa_stats, debug_tree_ssa_stats,
7120         dump_update_ssa, debug_update_ssa,
7121         dump_names_replaced_by, debug_names_replaced_by): Declare.
7122         (get_current_def, set current_def): Make extern.
7123         (is_old_name, is_new_name): Protect against references
7124         past the end of the sets.
7125         (add_new_name_mapping): Assert that OLD and NEW are
7126         different SSA names for the same symbol.
7127         When adding a virtual mapping, update stats for virtual
7128         mapping heuristic.
7129         (insert_phi_nodes_for): If UPDATE_P is true, create the
7130         LHS of the new PHI by duplicating SSA name VAR.
7131         (insert_phi_nodes_1): Remove.  Update all users.
7132         (insert_phi_nodes): Remove second argument.  Update all
7133         users.
7134         (maybe_replace_use, maybe_replace_def): New.
7135         (rewrite_update_stmt): Call them.
7136         (mark_def_interesting): Remove calls to is_gimple_reg.
7137         (prepare_phi_args_for_update): Remove.  Update all users.
7138         (prepare_block_for_update): Only process virtual operands
7139         and GIMPLE registers in normal form.
7140         (prepare_use_sites_for): New.
7141         (prepare_names_to_update): Rename from prepare_def_sites.
7142         Call prepare_use_sites_for.
7143         (dump_update_ssa): Rename from dump_repl_tbl.
7144         Update all users.
7145         Show statistics for virtual mapping heuristic.
7146         (debug_update_ssa): Rename from debug_debug_repl_tbl.
7147         (init_update_ssa): Initialize UPDATE_SSA_STATS.
7148         (delete_update_ssa): Make extern.
7149         (mark_set_for_renaming): If the set is empty, do nothing.
7150         (release_ssa_name_after_update_ssa): Update comment.
7151         (insert_updated_phi_nodes_for): Do not remove existing
7152         PHI nodes for symbols.
7153         (switch_virtuals_to_full_rewrite_p): New.
7154         (switch_virtuals_to_full_rewrite): New.
7155         (update_ssa): Call them.
7156         Clear REWRITE_THIS_STMT and REGISTER_DEFS_IN_THIS_STMT
7157         for every statement before updating.
7158         If all the names in NEW_SSA_NAMES have been marked for
7159         removal, do nothing.
7160         Only start at the top of the CFG if there are symbols in
7161         SYMS_TO_RENAME.
7162         (ssa_rewrite_finalize_block): Remove.
7163         (ssa_register_new_def): Remove.
7164         (ssa_rewrite_stmt): Remove.
7165         (ssa_rewrite_phi_arguments): Remove.
7166         (ssa_rewrite_initialize_block): Remove.
7167         (ssa_mark_def_sites): Remove.
7168         (ssa_mark_def_sites_initialize_block): Remove.
7169         (ssa_mark_phi_uses): Remove.
7170         (rewrite_ssa_into_ssa): Remove.
7171         * tree-phinodes.c (find_phi_node_for): Remove.
7172         * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely):
7173         Call update_ssa.
7174         * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops):
7175         Remove calls to verify_dominators and
7176         verify_loop_structure.
7177         (tree_unswitch_single_loop): Call update_ssa.
7178         * tree-ssa.c (verify_ssa): Assert that need_ssa_update_p
7179         returns false.
7180         Call verify_stmts.
7181         (delete_tree_ssa): Assert that need_ssa_update_p returns
7182         false.
7183         * tree-vect-transform.c (vect_transform_loop): Call update_ssa.
7184         * tree-vectorizer.c (allocate_new_names, rename_def_op,
7185         free_new_names): Remove.  Update all users.
7186         (rename_use_op): Call get_current_def.
7187         (rename_variables_in_bb): Do not handle any real or
7188         virtual definition.
7189         (slpeel_update_phis_for_duplicate_loop): Call
7190         get_current_def and set_current_def instead of using
7191         SSA_NAME_AUX.
7192         (slpeel_update_phi_nodes_for_guard2): Reformat comments.
7193         (slpeel_can_duplicate_loop_p): Call need_ssa_update_p,
7194         ssa_names_to_replace and delete_update_ssa.
7195         * doc/invoke.texi: Document --param min-virtual-mappings
7196         and --param virtual-mappings-ratio.
7197
7198 2005-04-22  Diego Novillo  <dnovillo@redhat.com>
7199
7200         * tree-cfg.c (tree_duplicate_bb): Call create_new_def_for
7201         for newly created PHI nodes.
7202         Call create_new_def_for for every new V_MAY_DEF and
7203         V_MUST_DEF on the copied statement.
7204         (struct ssa_name_map_entry): Remove.
7205         (ssa_name_map_entry_hash): Remove.
7206         (ssa_name_map_entry_eq): Remove.
7207         (allocate_ssa_names): Remove.
7208         (rewrite_to_new_ssa_names_def): Remove.
7209         (rewrite_to_new_ssa_names_use): Remove.
7210         (rewrite_to_new_ssa_names_bb): Remove.
7211         (rewrite_to_new_ssa_names): Remove.
7212         (tree_duplicate_sese_region): Remove variables ver,
7213         definitions, phi, ssa_name_map and bi.
7214         Call need_ssa_update_p instead of any_marked_for_rewrite_p.
7215         Call update_ssa.
7216         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Call
7217         update_ssa instead of rewrite_ssa_into_ssa.
7218         * tree-ssa-loop-manip.c (add_exit_phis_edge): Call
7219         create_new_def_for.
7220         (find_uses_to_rename_use): Add argument 'need_phis'.
7221         (find_uses_to_rename_stmt): Do not scan virtual operands.
7222         (find_uses_to_rename): Only scan PHI nodes for
7223         non-virtual names.
7224         (rewrite_into_loop_closed_ssa): Call update_ssa.
7225         (check_loop_closed_ssa_use): Ignore virtual operands.
7226         (check_loop_closed_ssa_stmt): Likewise.
7227         (verify_loop_closed_ssa): Do nothing if CURRENT_LOOPS is
7228         NULL.
7229         (rename_variables, set_phi_def_stmts): Remove.
7230         (tree_duplicate_loop_to_header_edge): Reformat comment.
7231         Remove variables BB, I and DEFINITIONS.
7232         Call need_ssa_update_p.
7233         Call update_ssa.
7234         (lv_adjust_loop_header_phi): Reformat comment.
7235         * tree-ssanames.c (ssa_names_to_rewrite): Remove.
7236         (marked_for_rewrite_p, any_marked_for_rewrite_p,
7237         mark_for_rewrite, unmark_all_for_rewrite,
7238         marked_ssa_names): Remove.  Update all users.
7239         (release_ssa_name): If VAR has been registered for SSA
7240         updating, do nothing.
7241         * tree-vrp.c (new_ssa_names, old_ssa_names): Remove.
7242         (build_assert_expr_for): Call register_new_name_mapping.
7243         (insert_range_assertions): Update call to update_ssa.
7244         * tree.h (mark_for_rewrite, unmark_all_for_rewrite,
7245         marked_for_rewrite_p, any_marked_for_rewrite_p,
7246         marked_ssa_names): Remove.
7247
7248 2005-04-22  Jeff Law  <law@redhat.com>
7249
7250         * tree-ssa-dom.c (block_defs_stack): Remove, no longer needed.
7251         (restore_currdefs_to_original_value): Likewise.
7252         (register_definitions_for_stmt): Likewise.
7253         (tree_ssa_dominator_optimize): No longer initialize CURRENT_DEF
7254         for each variable.  Do not allocate/free block_defs_stack either.
7255         Do not iterate if we just thread jumps.  Only iterate if the
7256         tree_cleanup_cfg does useful work (temporary).
7257         (dom_opt_initialize_block): No longer push a marker on
7258         BLOCK_DEFS_STACK.
7259         (dom_opt_finalize_block): Removal call to restore currdefs.
7260         Relax restrictions for recording edge equivalences.
7261         (record_equivalences_from_phis): No longer need to track
7262         CURRENT_DEF.
7263         (optimize_stmt): Similarly.
7264         (thread_across_edge): Simplify by removing the requirement that
7265         statements in the block we are threading through must be nops.
7266         (initialize_hash_element): Handle GOTO_EXPR.
7267
7268 2005-04-22  David S. Miller  <davem@davemloft.net>
7269
7270         * sched-vis.c (print_value): Use CONST_DOUBLE_LOW and
7271         CONST_DOUBLE_HIGH.
7272         * config/sparc/sparc.c (sparc_rtx_costs): Likewise, and
7273         fix check on CONST_DOUBLE mode.  It should be VOIDmode
7274         when it is representing an integer.
7275
7276 2005-04-22  Nathan Sidwell  <nathan@codesourcery.com>
7277
7278         * builtins.c (gimplify_va_arg_expr): Reword comments to avoid
7279         'abort'. Use gcc_assert and gcc_unreachable as appropriate.
7280         * c-format.c (get_constant, decode_format_attr, get_flag_spec,
7281         find_char_info_specifier_index,
7282         find_length_info_modifier_index): Likewise.
7283         * c-typeck.c (composite_type, pop_init_level): Likewise.
7284         * combine.c (cant_combine_insn_p, try_combine): Likewise.
7285         * cse.c (cse_insn): Likewise
7286         * dominance.c (calc_dfs_tree): Likewise
7287         dwarf2out.c (loc_descriptor_from_tree_1,
7288         add_abstract_origin_attribute, force_decl_die,
7289         force_type_die): Likewise
7290         emit-rtl.c (operand_subword_force): Likewise
7291         explow.c (hard_function_value): Likewise
7292         expmed.c (store_bit_field, expand_divmod,
7293         emit_store_flag_force): Likewise
7294         expr.c (emit_move_multi_word, store_expr,
7295         expand_expr_real_1): Likewise
7296         final.c (this_is_asm_operands, shorten_branches, final_scan_insn,
7297         output_operand): Likewise
7298         flow.c (recompute_reg_usage): Likewise
7299         * function.c (assign_stack_temp_for_type, assign_temp,
7300         handle_epilogue_set): Likewise
7301         * genextract.c (main): Likewise
7302         * gimplify.c (mostly_copy_tree_r, gimplify_return_expr,
7303         gimplify_modify_expr_rhs, gimplify_expr): Likewise
7304         * haifa-sched.c (ready_lastpos, ready_remove_first, ready_element,
7305         ready_remove, rm_line_notes, rm_other_notes,
7306         schedule_block): Likewise
7307         mips-tfile.c (copy_object, out_of_bounds): Likewise
7308
7309 2005-04-22 David Edelsohn  <edelsohn@gnu.org>
7310
7311         PR target/20813
7312         * config/rs6000/default64.h (TARGET_DEFAULT): Add MASK_PPC_GFXOPT.
7313         * config/rs6000/rs6000.c (processor_target_table): Rename rs64a to
7314         rs64.  Add MASK_PPC_GFXOPT to powerpc64 and rs64.
7315         (rs6000_init_libfuncs): Set TFmode optabs to xlq names if
7316         TARGET_XL_COMPAT.
7317         * doc/invoke.texi (PowerPC options): Change rs64a to rs64.
7318
7319 2005-04-22  Nathan Sidwell  <nathan@codesourcery.com>
7320
7321         * lambda-code.c: Define VEC(int,heap), VEC(lambda_loop,heap).
7322         (gcc_tree_to_linear_expression): Convert to heap allocated
7323         vectors.
7324         (gcc_loop_to_lambda_loop, gcc_loopnest_to_lambda_loopnest,
7325         lbv_to_gcc_expression, lle_to_gcc_expression,
7326         lambda_loopnest_to_gcc_loopnest, can_convert_to_perfect_nest,
7327         perfect_nestify): Likewise.
7328         lambda.h (gcc_loopnest_to_lambda_loopnest,
7329         lambda_loopnest_to_gcc_loopnest): Likewise.
7330         tree-loop-linear.c (linear_transform_loops): Likewise.
7331
7332 2005-04-22  Eric Botcazou  <ebotcazou@libertysurf.fr>
7333
7334         * config/sparc/predicates.md (arith_double_operand): Use
7335         trunc_int_for_mode if HOST_BITS_PER_WIDE_INT >=64.
7336         * config/sparc/sparc.md (movqi, movhi, movsi, movqi): Use gen_int_mode.
7337         (DImode, DFmode constant splitters): Likewise.  Remove code for
7338         TARGET_ARCH64 && HOST_BITS_PER_WIDE_INT < 64.
7339         (logical constant splitters): Use const_int_operand predicate.
7340         (lshrsi3_extend): Remove code for TARGET_ARCH64 &&
7341         HOST_BITS_PER_WIDE_INT < 64.
7342
7343 2005-04-22  Nathan Sidwell  <nathan@codesourcery.com>
7344
7345         * config/pa/pa.c (legitimize_pic_address): Use gcc_assert and
7346         gcc_unreachable as appropriate.
7347         (force_mode, emit_move_sequence, singlemove_string,
7348         output_move_double, output_fp_move_double, find_addr_reg,
7349         output_block_move, output_block_clear, output_and,
7350         output_64bit_and, output_ior, output_64bit_ior, store_reg_modify,
7351         pa_adjust_cost, pa_issue_rate, print_operand,
7352         output_global_address, output_arg_descriptor, output_cbranch,
7353         output_lbranch, output_bb, output_bvb, output_dbra, output_movb,
7354         output_call): Likewise.
7355         * config/pa/pa.md (call, call_value, sibcall, sibcall_value,
7356         prefetch, prefetch_cc, prefetch_nocc): Likewise.
7357
7358 2005-04-22  Zdenek Dvorak  <dvorakz@suse.cz>
7359
7360         * Makefile.in (LIBGCOV): Add _gcov_interval_profiler,
7361         _gcov_pow2_profiler and _gcov_one_value_profiler.
7362         (tree-profile.o): Add GGC_H and gt-tree-profile.h dependency.
7363         (GTFILES): Add $(srcdir)/tree-profile.c.
7364         * gcov-io.h (__gcov_interval_profiler, __gcov_pow2_profiler,
7365         __gcov_one_value_profiler): Declare.
7366         * gimplify.c (force_gimple_operand): Check whether the statements
7367         should be produced in ssa form.
7368         (force_gimple_operand_bsi): New function.
7369         * libgcov.c (__gcov_interval_profiler, __gcov_pow2_profiler,
7370         __gcov_one_value_profiler): New functions.
7371         * rtl-profile.c (rtl_gen_pow2_profiler): Only measure whether
7372         the profiled value is a power of two or not.
7373         * tree-cfg.c (tree_block_ends_with_condjump_p): Handle empty blocks.
7374         * tree-flow.h (in_ssa_p): Declare.
7375         (force_gimple_operand_bsi): Declare.
7376         * tree-into-ssa.c (in_ssa_p): New variable.
7377         (rewrite_into_ssa): Set in_ssa_p.
7378         * tree-outof-ssa.c (rewrite_out_of_ssa): Set in_ssa_p.
7379         * tree-profile.c: Include ggc.h and gt-tree-profile.h.
7380         (gcov_type_node, tree_interval_profiler_fn, tree_pow2_profiler_fn,
7381         tree_one_value_profiler_fn): New variables.
7382         (tree_init_edge_profiler): Initialize the profiler function decls.
7383         (tree_gen_edge_profiler): Use global gcov_type_node.
7384         (prepare_instrumented_value): New function.
7385         (tree_gen_interval_profiler, tree_gen_interval_profiler,
7386         tree_gen_one_value_profiler): Call the library functions instead of
7387         creating instrumentation code.
7388         * tree.c (build_fn_decl): New function.
7389         * tree.h (build_fn_decl): Declare.
7390         * value-prof.c (rtl_divmod_values_to_profile,
7391         rtl_find_values_to_profile, rtl_mod_pow2_value_transform,
7392         tree_mod_pow2_value_transform, tree_find_values_to_profile):
7393         Do not handle may_be_other and precise values of exponents at pow2
7394         profiler.
7395         (tree_mod_subtract_transform): Reflect that value field of
7396         histogram has changed meaning.
7397         (tree_divmod_values_to_profile): Record the values correctly.
7398         (tree_values_to_profile): Update comment.
7399         * value-prof.h (struct histogram_value_t): Remove pow2 data.
7400
7401 2005-04-22  Joseph S. Myers  <joseph@codesourcery.com>
7402
7403         * varasm.c (do_assemble_alias): Return early if TREE_ASM_WRITTEN
7404         (decl).
7405
7406 2005-04-22  Nathan Sidwell  <nathan@codesourcery.com>
7407
7408         * config/i386/i386.md (length_immediate): Use gcc_assert or
7409         gcc_unreachable, as appropriate.
7410         (*movsi_1, *movqi_1, reload_outqi, *movdi_1_rex64, *pushsf,
7411         *pushsf_rex64, *truncxfsf2_mixed, *truncxfsf2_i387,
7412         *truncxfdf2_mixed, *truncxfdf2_i387, *adddi_1_rex64,
7413         *adddi_2_rex64, *adddi_3_rex64, *adddi_4_rex64, *adddi_5_rex64,
7414         *addsi_1, addsi_1_zext, *addsi_2, *addsi_2_zext, *addsi_3,
7415         *addsi_3_zext, *addsi_4, *addsi_5, *addhi_1_lea, *addhi_1,
7416         *addhi_2, *addhi_3, *addhi_4, *addhi_5, *addqi_1_lea, *addqi_1,
7417         *addqi_1_slp, *addqi_2, *addqi_3, *addqi_4, *addqi_5, addqi_ext_1,
7418         *addqi_ext_1_rex64, *anddi_1_rex64, *andsi_1, *andhi_1,
7419         *ashldi3_1_rex64, *ashldi3_cmp_rex64, *ashlsi3_1, *ashlsi3_1_zext,
7420         *ashlsi3_cmp, *ashlsi3_cmp_zext, *ashlhi3_1_lea, *ashlhi3_1,
7421         *ashlhi3_cmp, *ashlqi3_1_lea, *ashlqi3_1, *ashlqi3_cmp,
7422         pro_epilogue_adjust_stack_1, pro_epilogue_adjust_stack_rex64,
7423         pro_epilogue_adjust_stack_rex64_2, prefetch, *prefetch_sse,
7424         *prefetch_sse_rex): Likewise.
7425         * config/i386/predicates.md (x86_64_immediate_operand,
7426         x86_64_zext_immediate_operand, symbolic_operand,
7427         no_seg_address_operand, aligned_operand,
7428         memory_displacement_operand): Likewise.
7429         * config/i386/sse.md (*mov<mode>_internal,
7430         *movv2df_internal): Likewise.
7431
7432 2005-04-22  Jan Hubicka  <jh@suse.cz>
7433
7434         * Makefile.in (ipa.o, ipa-inline.o): New files.
7435         * cgraph.h (cgraph_remove_unreachable_nodes, cgraph_postorder,
7436         cgraph_decide_inlining_incrementally, cgraph_clone_inlined_nodes,
7437         cgraph_mark_inline_edge, cgraph_default_inline_p): Declare.
7438         * cgraphunit.c (cgraph_default_inline_p,
7439         cgraph_decide_inlining_incrementally,  ncalls_inlined,
7440         nfunctions_inlined, initial_insns, overall_insns,
7441         cgraph_estimate_size_after_inlining, cgraph_estimate_growth,
7442         cgraph_clone_inlined_nodes, cgraph_mark_inline_edge,
7443         cgraph_mark_inline, cgraph_check_inline_limits,
7444         cgraph_default_inline_p, cgraph_recursive_inlining_p,
7445         update_callee_keys, lookup_recursive_calls,
7446         cgraph_decide_recursive_inlining, cgraph_set_inline_failed,
7447         cgraph_decide_inlining_of_small_functions, cgraph_decide_inlining,
7448         cgraph_decide_inlining_incrementally, cgraph_gate_inlining,
7449         pass_ipa_inline): Move to ipa-inline.c
7450         (cgraph_postorder, cgraph_remove_unreachable_nodes): Move to ipa.c
7451         * ipa.c: New file.
7452         * ipa-inline.c: New file.
7453
7454 2005-04-22  Eric Botcazou  <ebotcazou@libertysurf.fr>
7455
7456         * doc/invoke.texi (SPARC options): Document that -mapp-regs
7457         is turned off by default on Solaris.
7458
7459 2005-04-21  Roger Sayle  <roger@eyesopen.com>
7460
7461         * c-common.h (objc_build_method_signature): Update prototype.
7462         * stub-objc.c (objc_build_method_signature): Update the stub
7463         implementation to accept and ignore additional parameter.
7464         * c-parser.c (c_parser_objc_method_decl): Reorgnize to pass
7465         the value of ellipsis to objc_build_method_signature instead
7466         of setting TREE_OVERFLOW on the parms TREE_LIST node.
7467
7468 2005-04-21  Geoffrey Keating  <geoffk@apple.com>
7469
7470         * config/rs6000/rs6000-protos.h (rs6000_emit_sync): New.
7471         * config/rs6000/rs6000.c (rs6000_emit_vector_compare): Use
7472         gen_rtx_* not gen_rtx_fmt_*.
7473         (rs6000_emit_vector_select): Likewise.
7474         (rs6000_emit_sync): New.
7475         * config/rs6000/rs6000.md (GPR, INT, INT1): New mode macros.
7476         (larx, stcx, cmp): New mode substitutions.
7477         (UNSPEC_SYNC, UNSPEC_SYNC_OP, UNSPEC_SYNC_SWAP, UNSPEC_LWSYNC,
7478         UNSPEC_ISYNC): New constants.
7479         (rlwinm): Give name.
7480         (memory_barrier, isync, lwsync): New insns.
7481         (sync_compare_and_swap<mode>, sync_lock_test_and_set<mode>): New insn.
7482         (sync_lock_release<mode>): New expander.
7483         (sync_add<mode>, sync_sub<mode>, sync_ior<mode>, sync_and<mode>,
7484         sync_xor<mode>, sync_nand<mode>, sync_old_add<mode>,
7485         sync_old_sub<mode>, sync_old_ior<mode>, sync_old_and<mode>,
7486         sync_old_xor<mode>, sync_old_nand<mode>, sync_new_add<mode>,
7487         sync_new_sub<mode>, sync_new_ior<mode>, sync_new_and<mode>,
7488         sync_new_xor<mode>, sync_new_nand<mode>): New expanders.
7489         (sync_add<mode>_internal, sync_addshort_internal,
7490         sync_sub<mode>_internal, sync_andsi_internal, sync_anddi_internal,
7491         sync_boolsi_internal, sync_booldi_internal, sync_boolc<mode>_internal,
7492         sync_boolc<mode>_internal2, sync_boolcc<mode>_internal): New insns.
7493
7494         * doc/md.texi (Standard Names): sync_compare_and_swap's operand 0
7495         is the memory before, not after, the operation.  Clarify
7496         barrier requirements.
7497
7498 2005-04-21  Nathan Sidwell  <nathan@codesourcery.com>
7499
7500         * cfghooks.h (struct cfg_hooks): Reword comments to avoid 'abort'.
7501         * lambda.h (lambda_vector_min_nz): Likewise.
7502         * langhooks.h (struct lang_hooks_for_types,
7503         struct lang_hooks): Likewise.
7504         * output.h (assemble_integer, this_is_asm_operands): Likewise.
7505         * tree.h: Likewise.
7506         * vec.h: Likewise.
7507         * tree-flow-inline.h (relink_imm_use): Use gcc_assert.
7508
7509         * optabs.c (prepare_cmp_insn, emit_cmp_and_jump_insns): Reword
7510         comments to avoid 'abort'.  Use gcc_assert as necessary.
7511         * opts.c (common_handle_option): Likewise.
7512         * pretty-print.c (pp_base_format_text): Likewise.
7513         * print-rtl.c (print_rtx): Likewise.
7514         * read-rtl.c (read_rtx_filename, read_rtx_1): Likewise.
7515         * regmove.c (try_auto_increment): Likewise.
7516         * reload.c (find_valid_class, find_reloads_toplev,
7517         find_equiv_reg): Likewise.
7518         * reload1.c (reload, forget_old_reloads_1, function_invariant_p,
7519         merge_assigned_reloads): Likewise.
7520         * tree-inline.c (inline_forbidden_p_1,
7521         estimate_num_insns_1): Likewise.
7522         * tree-optimize.c (execute_todo): Likewise.
7523         * tree-outof-ssa.c (eliminate_phi): Likewise.
7524         * tree-ssa-alias.c (add_pointed_to_expr): Likewise.
7525         * tree-ssa-ccp.c (maybe_fold_stmt_indirect): Likewise.
7526         * tree-ssa-operands.c (parse_ssa_operands,
7527         get_indirect_ref_operands, create_ssa_artficial_load_stmt): Likewise.
7528         * tree-ssa-pre.c (find_or_generate_expression): Likewise.
7529         * tree-ssanames.c (release_ssa_name): Likewise.
7530         * tree.c (int_bit_position, int_byte_position, tree_low_cst,
7531         walk_tree): Likewise.
7532
7533         * tree-ssa-operands.c (verify_abort): Fold into ..
7534         (verify_imm_links): ... here.
7535
7536 2005-04-21  Richard Henderson  <rth@redhat.com>
7537
7538         * config/alpha/sync.md (sync_new_nand<I48MODE>): Fix constraints
7539         on non-memory operand for previous inversion.
7540
7541 2005-04-21  Devang Patel  <dpatel@apple.com>
7542
7543         PR optimization/20994
7544         * tree-if-conv.c (find_phi_replacement_condition): Avoid generating
7545         x = !(a == b) : p , q;.
7546         (pass_if_conversion): Verify stmts and flow.
7547
7548 2005-04-21  Nathan Sidwell  <nathan@codesourcery.com>
7549
7550         * optabs.c (gen_conditional_trap): Restore #define.
7551
7552         * alias.c (true_dependence): Remove 'abort' from comments. Use
7553         gcc_assert and gcc_unreachable as appropriate.
7554         (canon_true_dependence): Likewise.
7555         * bb-reorder.c (connect_traces): Likewise.
7556         * c-common.c (c_add_case_label): Likewise.
7557         * c-decl.c (finish_function): Likewise.
7558         * caller-save.c (insert_restore, insert_save): Likewise.
7559         * cfg.c (update_bb_profile_for_threading): Likewise.
7560         * cfganal.c (flow_active_insn_p): Likewise.
7561         * cfgexpand.c (add_reg_br_prob_note): Likewise.
7562         * cfgrtl.c (rtl_redirect_edge_and_branch_force, rtl_split_edge,
7563         cfg_layout_merge_blocks): Likewise.
7564         * ifcvt.c (cond_exec_process_insns, merge_if_block,
7565         find_if_block): Likewise.
7566         * integrate.c (allocate_initial_values): Likewise.
7567         * jump.c (reverse_condition, reverse_condition_maybe_unordered,
7568         swap_condition, unsigned_condition, signed_condition,
7569         mark_jump_label, invert_jump_1, rtx_renumbered_equal_p,
7570         reg_or_subregno): Likewise.
7571         * lambda-code.c (lambda_compute_auxillary_space,
7572         lambda_transform_legal_p): Likewise.
7573         * lambda-mat.c (lambda_matrix_inverse_hard): Likewise.
7574         * langhooks.c (lhd_set_decl_assembler_name, lhd_type_promotes_to,
7575         lhd_incomplete_type_error, lhd_expand_expr,
7576         lhd_types_compatible_p, lhd_tree_size): Likewise.
7577         * lcm.c (create_pre_exit, optimize_mode_switching): Likewise.
7578         * local-alloc.c (update_equiv_regs): Likewise.
7579         * loop-unroll.c (peel_loop_completely
7580         unroll_loop_constant_iterations, unroll_loop_runtime_iterations,
7581         peel_loop_simple, unroll_loop_stupid,
7582         analyze_iv_to_split_insn): Likewise.
7583         * loop.c (gen_prefetch, find_and_verify_loops,
7584         basic_induction_var): Likewise.
7585         * modulo-sched.c (normalize_sched_times, check_nodes_order): Likewise.
7586         * value-prof.c (tree_find_values_to_profile): Likewise.
7587         * varasm.c (named_section, default_assemble_integer,
7588         decode_addr_const): Likewise.
7589
7590 2005-04-21 Alan Modra  <amodra@bigpond.net.au>
7591            Fariborz Jahanian <fjahanian@apple.com>
7592
7593         * config/rs6000/rs6000.c (rs6000_arg_partial_bytes): Fix size of
7594         portion of argument passed in fpr.
7595         * expr.c (emit_push_insn): Fix computation of 'offset' used to
7596         decide on partial argument save on stack.
7597
7598 2005-04-21  Kazu Hirata  <kazu@cs.umass.edu>
7599
7600         * config/sparc/predicates.md, config/sparc/sparc.md: Fix
7601         comment typos.
7602
7603 2005-04-21  Jan Hubicka  <jh@suse.cz>
7604
7605         * cgraphunit.c: Include tree-pass.h
7606         (cgraph_decide_recursive_inlining,
7607         cgraph_decide_inlining_of_small_function, cgraph_set_inline_failed,
7608         cgraph_decide_inlining): Dump goes to dump_file.
7609         (cgraph_optimize): Call ipa passes instead of inliner.
7610         (cgraph_gate_inlining, pass_ipa_inline): New.
7611         * tree-optimize.c (all_ipa_passes): New static variable.
7612         (register_one_dump_file): Dead with IPA passes.
7613         (register_dump_files): Likewise.
7614         (init_tree_optimization_passes): Initialize IPA passes.
7615         (execute_todo): Do cgraph dump when asked to, do not dump function body
7616         for IPA pass.
7617         * tree-pass.h (TODO_dump_cgraph): New macro.
7618         (ipa_passes): Declare.
7619         * Makefile.in (cgraphunit.o): Add dependency on cgraphunit.h
7620
7621 2005-04-21  Nathan Sidwell  <nathan@codesourcery.com>
7622
7623         * config/i386/i386.c (type_natural_mode): Use gcc_unreachable and
7624         gcc_assert instead of abort.
7625         (classify_argument, examine_argument, construct_container,
7626         contains_128bit_aligned_vector_p, ix86_check_movabs,
7627         standard_80387_constant_opcode, standard_80387_constant_rtx,
7628         ix86_initial_elimination_offset, ix86_compute_frame_layout,
7629         pro_epilogue_adjust_stack, ix86_expand_epilogue,
7630         ix86_address_cost, legitimate_address_p, legitimize_pic_address,
7631         legitimize_tls_address, output_pic_addr_const,
7632         i386_output_dwarf_dtprel, put_condition_code, print_reg,
7633         get_some_local_dynamic_name, print_operand, print_operand_address,
7634         output_387_binary_op, emit_i387_cw_initialization,
7635         output_fix_trunc, output_fp_compare, ix86_output_addr_vec_elt,
7636         ix86_expand_clear, ix86_expand_binary_operator,
7637         ix86_expand_unary_operator, ix86_match_ccmode, ix86_cc_mode,
7638         ix86_cc_modes_compatible, ix86_fp_comparison_codes,
7639         ix86_fp_comparison_arithmetics_cost, ix86_expand_fp_compare,
7640         ix86_expand_branch, ix86_expand_setcc,
7641         ix86_expand_carry_flag_compare, ix86_expand_fp_movcc,
7642         ix86_expand_int_addcc, ix86_split_to_parts, ix86_split_long_move,
7643         ix86_expand_movmem, ix86_expand_call, assign_386_stack_local,
7644         memory_address_length, ix86_attr_length_immediate_default,
7645         ix86_attr_length_address_default, ix86_agi_dependant,
7646         x86_initialize_trampoline, ix86_init_mmx_sse_builtins,
7647         ix86_expand_binop_builtin, ix86_force_to_memory,
7648         ix86_secondary_memory_needed, ix86_avoid_jump_misspredicts,
7649         x86_emit_floatuns): Likewise.
7650         * config/i386/netware.c (gen_regparm_prefix,
7651         i386_nlm_strip_name_encoding): Likewise.
7652         * config/i386/winnt.c (i386_pe_mark_dllexport): Likewise.
7653
7654 2005-04-21  Nathan Sidwell  <nathan@codesourcery.com>
7655
7656         * optabs.c (gen_condiational_trap): Remove #define.
7657         (add_equal_note): Assertify. Remove explicit indirection from
7658         call via function pointer.
7659         (expand_ternary_op, expand_simple_binop, expand_binop,
7660         expand_twoval_unop, expand_twoval_binop,
7661         expand_twoval_binop_libfunc, expand_simple_unop expand_unop,
7662         emit_unop_insn,  emit_no_conflict_block,  prepare_cmp_insn,
7663         prepare_operand emit_cmp_and_jump_insn_1, emit_cmp_and_jump_insns,
7664         prepare_float_lib_cmp, emit_conditional_move,
7665         emit_conditional_add, gen_add2_insn, gen_add3_insn,
7666         have_add2_insn, gen_sub2_insn, gen_sub3_insn, have_sub2_insn,
7667         expand_float, expand_fix, debug_optab_libfuncs, gen_cond_trap,
7668         vector_compare_rtx, expand_vec_cond_expr): Likewise.
7669
7670 2005-04-21  Nathan Sidwell  <nathan@codesourcery.com>
7671
7672         * vec.h: Update API to separate allocation mechanism from type.
7673         (VEC_safe_grow): New.
7674         * vec.c (calculate_allocation): New.
7675         (vec_gc_o_reserve, vec_heap_o_reserve): Adjust.
7676         (vec_gc_free, vec_heap_free): Remove.
7677         * gengtype-lex.l (DEF_VEC_): Process mult-argument macros.  Adjust.
7678         (VEC): Likewise.
7679         (mangle_macro_name): New.
7680         (struct macro_def): New.
7681         (struct macro): Add multiple argument values.
7682         (macro_expans_end): New.
7683         (push_macro_expansion):  Chain on new macro. Process multiple
7684         args, create follow on expansion. Return follow on argument.
7685         (macro_input): Deal with multiple arguments.
7686
7687         * tree.h: Define VEC(tree,heap) and VEC(tree,gc).
7688         (struct tree_binfo): Adjust.
7689         * basic-block.h: Define VEC(edge,gc).
7690         (struct edge_def): Adjust.
7691         (struct basic_block_def, struct edge_iterator): Likewise.
7692         (ei_container, ei_start_1, ei_last_1): Likewise.
7693         * cfg.c (connect_src, connect_dest): Likewise.
7694         * cfgrtl.c (force_nonfallthru_and_redirect)
7695         * dbxout.c (dbxout_type)
7696         * dwarf2out.c (gen_member_die)
7697         * lambda-code.c: Define VEC(int,gc), VEC(lambda_loop,gc).
7698         (gcc_tree_to_linear_expression): Adjust.
7699         (gcc_loop_to_lambda_loop, gcc_loopnest_to_lambda_loopnest,
7700         lbv_to_gcc_expression, lle_to_gcc_expression,
7701         lambda_loopnest_to_gcc_loopnest, can_convert_to_perfect_nest,
7702         perfect_nestify): Likewise.
7703         * lambda.h (gcc_loopnest_to_lambda_loopnest,
7704         lambda_loopnest_to_gcc_loopnest): Adjust prototypes.
7705         * profile.c (instrument_values): Adjust.
7706         * tree-cfg.c (modified_noreturn_calls): Adjust.
7707         (remove_fallthru_edge): Likewise.
7708         * tree-dump.c (dequeue_and_dump): Adjust.
7709         * tree-flow-inline.h (mark_stmt_modified): Adjust.
7710         * tree-flow.h (modified_noreturn_calls): Adjust.
7711         (tree_on_heap): Remove. (yay!)
7712         (register_new_def): Adjust.
7713         * tree-into-ssa.c: Define VEC(int,heap).
7714         (block_defs_stack): Adjust.
7715         (find_idf, insert_phi_nodes, register_new_def,
7716         rewrite_initialize_block, rewrite_finalize_block,
7717         register_new_update_single, rewrite_update_init_block,
7718         rewrite_update_fini_block, rewrite_blocks,
7719         ssa_rewrite_finalize_block, ssa_register_new_def,
7720         ssa_rewrite_initialize_block, rewrite_ssa_into_ssa): Likewise.
7721         * tree-loop-linear.c (linear_transform_loops): Adjust.
7722         * tree-ssa-alias.c: Define VEC(fieldoff_t,heap).
7723         (push_fields_onto_fieldstack, create_overlap_variables_for): Adjust.
7724         * tree-ssa-dom.c (avail_exprs_stack, block_defs_stack,
7725         stmts_to_rescan, const_and_copies_stack, nonzero_vars_stack,
7726         vrp_variables_stack): Adjust declarations.
7727         (tree_ssa_dominator_optimize): Adjust.
7728         (dom_opt_initialize_block, remove_local_expressions_from_table,
7729         restore_nonzero_vars_to_original_value,
7730         restore_vars_to_original_value,
7731         restore_currdefs_to_original_value, dom_opt_finalize_block,
7732         record_var_is_nonzero, record_cond, record_const_or_copy_1,
7733         optimize_stmt, update_rhs_and_lookup_avail_expr,
7734         lookup_avail_expr, record_range): Likewise.
7735         * tree-ssa-pre.c: Define VEC(basic_block,heap).
7736         (compute_antic_aux): Adjust.
7737         (inserted_exprs, create_expression_by_pieces,
7738         insert_into_preds_of_block, eliminate, mark_operand_necessary,
7739         remove_dead_inserted_code, fini_pre): Likewise.
7740         * tree-ssa-propagate.c (interesting_ssa_edges): Adjust.
7741         (varying_ssa_edges, add_ssa_edge, process_ssa_edge_worklist.
7742         ssa_prop_init): Likewise.
7743         * tree-ssa.c: Define VEC(bitmap,heap).
7744         (verify_name_tags): Adjust.
7745         * value-prof.c (rtl_divmod_values_to_profile): Adjust.
7746         (insn_prefetch_values_to_profile, rtl_find_values_to_profile,
7747         tree_divmod_values_to_profile, tree_find_values_to_profile,
7748         value_profile_transformations): Likewise.
7749         * value-prof.h: Define VEC(histogram_value,heap).
7750         * varasm.c: Remove alias_pair pointer typedef, define
7751         VEC(alias_pair,gc).
7752         (finish_aliases_1, finish_aliases_2, assemble_alias): Adjust.
7753
7754         * config/pa/pa.c (typedef extern_symbol): Typedef the structure,
7755         not a pointer to it.  Create an object vector.
7756         (extern_symbols): Turn into an object vector.
7757         (pa_hpux_asm_output_external, pa_hpux_file_end): Adjust.
7758
7759 2005-04-21  Sebastian Pop  <pop@cri.ensmp.fr>
7760
7761         PR/20742
7762         * Makefile.in (tree-chrec.o): Depend on params.h.
7763         * params.def (PARAM_SCEV_MAX_EXPR_SIZE): New parameter with
7764         default value 20.
7765         * tree-chrec.c: Depend on params.h.  Replace build with buildN,
7766         and fold build with fold_buildN.
7767         (chrec_fold_plus_1): Fail with a chrec_don_know when the size of
7768         the expression exceeds PARAM_SCEV_MAX_EXPR_SIZE.
7769         (tree_contains_chrecs): Compute an estimation of the size of the
7770         given expression.
7771         * tree-chrec.h (tree_contains_chrecs): Modify its declaration.
7772         (tree_does_not_contain_chrecs): Update the use of tree_contains_chrecs.
7773         * tree-scalar-evolution.c (simple_iv): Ditto.
7774         * doc/invoke.texi (scev-max-expr-size): Documented.
7775
7776 2005-04-21  Richard Sandiford  <rsandifo@redhat.com>
7777
7778         * config.gcc (*-*-darwin*): Add darwin.opt to $extra_options.
7779         (i[34567]86-pc-msdosdjgpp*): Likewise i386/djgpp.opt.
7780         (i[34567]86-*-lynxos*, powerpc-*-lynxos*): Likewise lynx.opt.
7781         (i[34567]86-*-sco3.2v5*): Likewise i386/sco5.opt.
7782         (i[34567]86-*-pe, i[34567]86-*-cygwin*, i[34567]86-*-mingw32*)
7783         (i[34567]86-*-uwin*): Likewise i386/cygming.opt.
7784         * config/darwin.h (darwin_one_byte_bool, darwin_fix_and_continue)
7785         (darwin_fix_and_continue_switch, SUBTARGET_OPTIONS): Delete.
7786         * config/darwin.c (darwin_one_byte_bool, darwin_fix_and_continue)
7787         (darwin_fix_and_continue_switch): Delete.
7788         * config/lynx.h (SUBTARGET_OS_LYNX_SWITCHES): Delete.
7789         (SUBTARGET_SWITCHES): Delete.
7790         * config/i386/i386.h (target_flags, MASK_80387, MASK_RTD)
7791         (MASK_ALIGN_DOUBLE, MASK_SVR3_SHLIB, MASK_IEEE_FP, MASK_FLOAT_RETURNS)
7792         (MASK_NO_FANCY_MATH_387, MASK_OMIT_LEAF_FRAME_POINTER)
7793         (MASK_STACK_PROBE, MASK_NO_ALIGN_STROPS, MASK_INLINE_ALL_STROPS)
7794         (MASK_NO_PUSH_ARGS, MASK_ACCUMULATE_OUTGOING_ARGS, MASK_MMX)
7795         (MASK_SSE, MASK_SSE2, MASK_SSE3, MASK_3DNOW, MASK_3DNOW_A)
7796         (MASK_128BIT_LONG_DOUBLE, MASK_64BIT, MASK_MS_BITFIELD_LAYOUT)
7797         (MASK_TLS_DIRECT_SEG_REFS, MASK_NO_RED_ZONE, TARGET_80387)
7798         (TARGET_RTD, TARGET_ALIGN_DOUBLE, TARGET_PUSH_ARGS)
7799         (TARGET_ACCUMULATE_OUTGOING_ARGS, TARGET_SVR3_SHLIB, TARGET_IEEE_FP)
7800         (TARGET_128BIT_LONG_DOUBLE, TARGET_NO_FANCY_MATH_387)
7801         (TARGET_USE_FANCY_MATH_387, TARGET_OMIT_LEAF_FRAME_POINTER)
7802         (TARGET_DEBUG_ADDR, TARGET_DEBUG_ARG): Delete.
7803         (TARGET_FLOAT_RETURNS_IN_80387): Make an alias of TARGET_FLOAT_RETURNS.
7804         (TARGET_64BIT): Undef before redefining.
7805         (TARGET_TLS_DIRECT_SEG_REFS, TARGET_STACK_PROBE)
7806         (TARGET_ALIGN_STRINGOPS, TARGET_INLINE_ALL_STRINGOPS, TARGET_SSE)
7807         (TARGET_SSE2, TARGET_SSE3, TARGET_MMX, TARGET_3DNOW, TARGET_3DNOW_A)
7808         (TARGET_RED_ZONE, TARGET_USE_MS_BITFIELD_LAYOUT, TARGET_SWITCHES)
7809         (TARGET_OPTIONS, SUBTARGET_SWITCHES, SUBTARGET_OPTIONS)
7810         (ix86_fpmath_string, ix86_tls_dialect_string, ix86_cmodel_string)
7811         (ix86_asm_string, ix86_regparm, ix86_regparm_string)
7812         (ix86_preferred_stack_boundary_string, ix86_branch_cost_string)
7813         (ix86_debug_arg_string, ix86_debug_addr_string)
7814         (ix86_align_loops_string, ix86_align_jumps_string)
7815         (ix86_align_funcs_string): Delete.
7816         * config/i386/cygming.h (MASK_NOP_FUN_DLLIMPORT)
7817         (TARGET_NOP_FUN_DLLIMPORT, SUBTARGET_SWITCHES): Delete.
7818         * config/i386/djgpp.h (MASK_BNU210, SUBTARGET_SWITCHES): Delete.
7819         (SUBTARGET_OVERRIDE_OPTIONS): Check TARGET_BNU210.
7820         * config/i386/lynx.h (SUBTARGET_SWITCHES): Delete.
7821         * config/i386/sco5.h (MASK_COFF, TARGET_ELF)
7822         (SUBTARGET_SWITCHES): Delete.
7823         * config/i386/i386.c (ix86_debug_arg_string): Delete.
7824         (ix86_debug_addr_string): Delete.
7825         (ix86_cmodel_string, ix86_asm_string, ix86_tls_dialect_string)
7826         (ix86_fpmath_string, ix86_regparm_string, ix86_regparm)
7827         (ix86_align_loops_string, ix86_align_jumps_string)
7828         (ix86_preferred_stack_boundary_string, ix86_branch_cost_string)
7829         (ix86_align_funcs_string): Make static.
7830         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
7831         (ix86_handle_option): New function.
7832         (TARGET_USE_MS_BITFIELD_LAYOUT): Delete.
7833         (ix86_ms_bitfield_layout_p): Check TARGET_MS_BITFIELD_LAYOUT.
7834         * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Remove handling
7835         of darwin_fix_and_continue_switch.
7836         (darwin_one_byte_bool): Delete.
7837         * config/rs6000/lynx.h (EXTRA_SUBTARGET_SWITCHES): Delete.
7838         * config/rs6000/rs6000.c (rs6000_override_options): Update assignment
7839         to darwin_one_byte_bool.
7840         * config/darwin.opt, config/lynx.opt, config/i386/cygming.opt,
7841         * config/i386/djgpp.opt, config/i386/i386.opt,
7842         * config/i386/sco5.opt: New files.
7843
7844 2005-04-21  Eric Botcazou  <ebotcazou@libertysurf.fr>
7845
7846         * config/sparc/sparc.c (reg_or_0_operand, const1_operand,
7847         fp_zero_operand, fp_register_operand, intreg_operand,
7848         fcc_reg_operand, fcc0_reg_operand, icc_or_fcc_reg_operand,
7849         call_operand, call_operand_address, tgd_symbolic_operand,
7850         tld_symbolic_operand, tie_symbolic_operand, tle_symbolic_operand,
7851         symbolic_operand, symbolic_memory_operand, label_ref_operand,
7852         sp64_medium_pic_operand, data_segment_operand,
7853         text_segment_operand, splittable_symbolic_memory_operand,
7854         reg_or_nonsymb_mem_operand, splittable_immediate_memory_operand,
7855         eq_or_neq, normal_comp_operator, noov_compare_op,
7856         noov_compare64_op, v9_regcmp_op, extend_op, cc_arithop,
7857         cc_arithopn, arith_operand, arith_4096_operand, arith_add_operand,
7858         const64_operand, const64_high_operand, arith11_operand,
7859         arith10_operand, arith_double_operand, arith_double_4096_operand,
7860         arith_double_add_operand, arith11_double_operand,
7861         arith10_double_operand, small_int, small_int_or_double,
7862         uns_small_int, uns_arith_operand, clobbered_register,
7863         input_operand, compare_operand): Delete.
7864         (sparc_emit_set_const32): Use predicates in assertion.  Remove special
7865         code for TARGET_ARCH64 && HOST_BITS_PER_WIDE_INT != 64.
7866         (sparc_emit_set_const64): Call gcc_unreachable if H_B_P_W_I == 32.
7867         (GEN_HIGHINT64, GEN_INT64): Delete.
7868         (sparc_emit_set_safe_HIGH64, gen_safe_SET64, gen_safe_OR64,
7869         gen_safe_XOR64): Adjust for above deletion.
7870         (sparc_emit_set_const64): Support only H_B_P_W_I == 64 and CONST_INTs.
7871         Use 'unsigned HOST_WIDE_INT' instead of 'long' for bitmask.
7872         (legitimate_constant_p): Use const_zero_operand instead.
7873         (sparc_extra_constraint_check): Likewise.
7874         * config/sparc/sparc.h (CONST_DOUBLE_OK_FOR_LETTER_P): Remove 'O'.
7875         (PREFERRED_RELOAD_CLASS): Use const_zero_operand.
7876         (PREDICATE_CODES): Delete.
7877         * config/sparc/sparc.md: Include predicates.md.
7878         (All patterns): Adjust for new predicate names.
7879         (cmpdi, cmpdi_sp64): Use arith_operand predicate.
7880         (movhi_const64_special, movsi_const64_special): Add 'K' constraint.
7881         (movdi): Use general_operand predicate.
7882         (movdi_sp64_dbl): Delete.
7883         (movdi_const64_special): Add 'N' constraint.
7884         (movdicc): Use arith10_operand predicate.
7885         (movdi_cc_sp64, movdi_cc_sp64_trunc): Use arith11_operand predicate.
7886         (movdi_cc_reg_sp64): Use arith10_operand predicate.
7887         (movdi_cc_reg_sp64_trunc): Delete.
7888         (cmp_zero_extract, cmp_zero_extract_sp64): Use small_int_operand.
7889         (adddi3_sp64, cmp_ccx_plus, cmp_ccx_plus_set): Use arith_operand.
7890         (subdi3_sp32): Delete.
7891         (subdi3_insn_sp32): Change to define_insn_and_split.
7892         (subdi3_sp64, cmp_minus_ccx, cmp_minus_ccx_set): Use arith_operand.
7893         (muldi3, muldi3_sp64, muldi3_v8plus): Likewise.
7894         (smulsi3_highpart_v8plus, const_smulsi3_highpart_v8plus,
7895         umulsi3_highpart_v8plus, const_umulsi3_highpart_v8plus): Use
7896         small_int_operand predicate.
7897         (divdi3, udivdi3): Use arith_operand predicate.
7898         (udivsi3, udivsi3_sp32, udivsi3_sp64): Use nonimmediate_operand.
7899         (and<V64I>3_sp64, ior<V64I>3_sp64, xor<V64I:mode>3_sp64,
7900         xor_not_<V64I:mode>_sp64) : Use arith_operand predicate.
7901         (xordi3_sp64_dbl): Delete.
7902         (cmp_ccx_arith_op, cmp_ccx_arith_op_set, cmp_ccx_xor_not,
7903         cmp_ccx_xor_not_set, cmp_ccx_arith_op_not, cmp_ccx_arith_op_not_set,
7904         cmp_ccx_neg, cmp_ccx_set_neg, one_cmpl<V64I>2_sp64, cmp_ccx_not,
7905         cmp_ccx_set_not): Use arith_operand predicate.
7906         (ashrsi3_extend2, lshrsi3_extend2 et al.): Use small_int_operand.
7907         * config/sparc/predicates.md: New file.
7908
7909 2005-04-21  Kazu Hirata  <kazu@cs.umass.edu>
7910
7911         PR tree-optimization/14846
7912         * fold-const.c (fold_single_bit_test_into_sign_test): New,
7913         split out from ...
7914         (fold_single_bit_test): ... here.
7915         (fold_binary): Call fold_single_bit_test_into_sign_test
7916         instead of fold_single_bit_test.
7917
7918 2005-04-20  James E Wilson  <wilson@specifixinc.com>
7919
7920         PR c++/20805
7921         * dwarf2out.c (gen_variable_die): Don't emit a specification if this
7922         is another declaration.
7923
7924 2005-04-21  Hans-Peter Nilsson  <hp@axis.com>
7925
7926         * config/cris/predicates.md: New file.
7927         * config/cris/cris-protos.h (cris_store_multiple_op_p)
7928         (cris_movem_load_rest_p): Declare.
7929         * config/cris/cris.c (cris_store_multiple_op): Return bool, not int.
7930         (cris_movem_load_rest_p): Ditto.  Globalize.
7931         (cris_bdap_operand, cris_bdap_biap_operand,
7932         cris_orthogonal_operator, cris_commutative_orth_op,
7933         cris_operand_extend_operator,
7934         cris_additive_operand_extend_operator, cris_extend_operator,
7935         cris_plus_or_bound_operator, cris_mem_op,
7936         cris_general_operand_or_symbol,
7937         cris_general_operand_or_gotless_symbol,
7938         cris_general_operand_or_plt_symbol, cris_mem_call_operand,
7939         cris_load_multiple_op): Remove predicate functions.
7940         (cris_symbol, cris_gotless_symbol) <case UNSPEC>: Return 0, don't
7941         abort, for UNSPECs other than CRIS_UNSPEC_PLT.
7942         * config/cris/cris.h (PREDICATE_CODES): Don't define.
7943         * config/cris/cris.md: Include predicates.md.
7944         ("call", "call_value"): Generate CONSTs of Pmode, not VOIDmode.
7945
7946 2005-04-20  Ian Lance Taylor  <ian@airs.com>
7947
7948         * c-common.def: Remove STMT_EXPR (moved to cp/cp-tree.def).
7949         * c-common.h (STMT_EXPR_STMT): Don't define.
7950         (STMT_EXPR_NO_SCOPE): Don't define.
7951         * c-dump.c (c_dump_tree): Don't handle STMT_EXPR.
7952         * c-pretty-print.c (pp_c_primary_expression): Likewise.
7953         (pp_c_expression): Likewise.
7954
7955 2005-04-20  Richard Henderson  <rth@redhat.com>
7956
7957         PR target/21100
7958         * config/i386/mmx.md (push<MMXMODE>1): Fix predicate thinko.
7959
7960 2005-04-20  Jeff Law  <law@redhat.com>
7961
7962         * reload1.c (reload): Ignore equivalences between pseudos and
7963         read only memory.
7964
7965 2005-04-20  Joseph S. Myers  <joseph@codesourcery.com>
7966
7967         PR c/12913
7968         * c-tree.h (struct c_label_list): Update comment.
7969         (struct c_label_context): Rename to struct c_label_context_se.
7970         (label_context_stack): Rename to label_context_stack_se.
7971         (C_DECL_UNJUMPABLE_VM, C_DECL_UNDEFINABLE_VM, struct
7972         c_label_context_vm, label_context_stack_vm, c_begin_vm_scope,
7973         c_end_vm_scope): New.
7974         (C_DECL_DECLARED_BUILTIN, C_DECL_USED): Use FUNCTION_DECL_CHECK.
7975         * c-decl.c (pop_scope): Call c_end_vm_scope.
7976         (pushdecl): Call c_begin_vm_scope for variably modified
7977         declarations.
7978         (define_label): Check for jumping into scope of identifier with
7979         variably modified type.  Push label on stack for those defined at
7980         current context of identifiers with variably modified type.
7981         (start_function): Create stack level for context of identifiers
7982         with variably modified type.
7983         (finish_function): Pop stack level for context of identifiers with
7984         variably modified type.
7985         * c-typeck.c (label_context_stack): Rename to
7986         label_context_stack_se.
7987         (label_context_stack_vm, c_begin_vm_scope, c_end_vm_scope): New.
7988         (c_finish_goto_label): Check for jumping into scope of identifier
7989         with variably modified type.  Push label on stack for those jumped
7990         to from current context of identifiers with variably modified
7991         type.
7992         (struct c_switch): Add blocked_vm.
7993         (c_start_case): Initialize blocked_vm.
7994         (do_case): Check blocked_vm.
7995         (c_finish_case): Add comment.
7996         (c_begin_stmt_expr, c_finish_stmt_expr): Update for renamed
7997         variable label_context_stack.
7998
7999 2005-04-20  Kazu Hirata  <kazu@cs.umass.edu>
8000
8001         * tree-ssa-phiopt.c (tree_ssa_phi_opt): Update calls to
8002         conditional_replacement, value_replacement, abs_replacement,
8003         minmax_replacement.
8004         (replace_phi_edge_with_variable): Remove argument BB.
8005         (conditional_replacement, value_replacement,
8006         minmax_replacement, abs_replacement): Remove argument PHI_BB.
8007         Update a call to replace_phi_edge_with_variable.
8008
8009         * tree-ssa-phiopt.c: Fix comments.
8010
8011 2005-04-20  Michael Matz  <matz@suse.de>
8012
8013         PR20973
8014         * reload.c (push_reload, find_dummy_reload): Check for uninitialized
8015         pseudos.
8016
8017 2005-04-20  Kazu Hirata  <kazu@cs.umass.edu>
8018
8019         * tree-ssa-phiopt.c: Fix comment typos.
8020
8021         PR tree-optimization/21116
8022         * tree-ssa-phiopt.c: Fix a typo.
8023
8024 2005-04-19  Richard Henderson  <rth@redhat.com>
8025
8026         * builtins.c (expand_builtin_sync_operation): Revert last change.
8027         * optabs.c (expand_bool_compare_and_swap): Compare vs old value,
8028         not vs new value.
8029         (expand_compare_and_swap_loop): Likewise.
8030         (expand_sync_operation): Remove fallback from NAND to AND; invert
8031         memory operand when expanding from cmpxchg.
8032         (expand_sync_fetch_operation): Likewise.
8033         * doc/extend.texi (Atomic Builtins): Fix docs for nand and
8034         compare-and-swap.
8035
8036         * config/alpha/alpha.c (alpha_split_atomic_op): Invert memory operand
8037         when implementing NAND.  Fix double-add for AFTER.
8038         * config/alpha/sync.md (sync_nand<I48MODE>): Invert memory operand.
8039         (sync_old_nand<I48MODE>, sync_new_nand<I48MODE>): Likewise.
8040         (sync_compare_and_swap<I48MODE>): Fix compare vs zero.  Return old
8041         memory value.
8042         (sync_lock_test_and_set<I48MODE>): Remove extra label and last
8043         memory barrier.
8044
8045         * config/i386/sync.md (sync_compare_and_swap<IMODE>): Fix pattern
8046         to return old memory value.
8047         (sync_compare_and_swap_cc<IMODE>): Likewise.
8048
8049         * config/ia64/ia64.c (ia64_dependencies_evaluation_hook): Early
8050         return pre-reload.  Don't consider output or anti dependencies.
8051         * config/ia64/sync.md (IMODE): New.
8052         (modesuffix): Add QI and HI.
8053         (memory_barrier): Simplify expansion.
8054         (sync_compare_and_swap<IMODE>): Use IMODE, not I48MODE.
8055         (cmpxchg_acq_<IMODE>): Likewise.
8056         (sync_lock_test_and_set<IMODE>): Likewise.
8057         (sync_lock_release<IMODE>): Likewise.
8058
8059 2005-04-19  James A. Morrison  <phython@gcc.gnu.org>
8060
8061         * fold-const.c (fold_binary): Fold ~(X ^ Y) to ~X ^ Y or X ^ ~Y if
8062         ~X or ~Y simplify.
8063
8064 2005-04-19  James A. Morrison  <phython@gcc.gnu.org>
8065
8066         * fold-const (fold_binary):  Fold ~X ^ ~ Y to X ^ Y.
8067
8068 2005-04-20  Michael Pogue  <michael.pogue@sun.com>
8069             Joseph S. Myers  <joseph@codesourcery.com>
8070
8071         * c.opt (Wint-to-pointer-cast, Wpointer-to-int-cast): New options.
8072         * c-typeck.c (build_c_cast): Check these options.
8073         * doc/invoke.texi: Document these options.
8074
8075 2005-04-20  Kazu Hirata  <kazu@cs.umass.edu>
8076
8077         * tree-ssa-phiopt.c: Update a comment about the pass.
8078
8079 2005-04-19  Kazu Hirata  <kazu@cs.umass.edu>
8080
8081         * tree-ssa-phiopt.c, config/arm/arm.c, config/fr30/fr30.md,
8082         config/mcore/mcore.c: Fix comment typos.
8083
8084 2005-04-19  Daniel Jacobowitz  <dan@codesourcery.com>
8085
8086         * Makefile.in (libgcc.mk): Pass GCC_FOR_TARGET.
8087         * mklibgcc.in: Use $GCC_FOR_TARGET instead of ./xgcc.
8088
8089 2005-04-19  Paul Brook  <paul@codesourcery.com>
8090
8091         * config/arm/arm.c (arm_init_libfuncs): Clear mod optabs.
8092
8093 2005-04-19  Andrew Haley  <aph@redhat.com>
8094
8095         PR java/21022
8096         * dbxout.c (dbxout_type_fields): Check DECL_IGNORED_P before
8097         looking at a field's bitpos.
8098
8099 2005-04-19  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
8100
8101         * system.h (fopen, fdopen, freopen): Define these to the unlocked
8102         libiberty functions.
8103
8104 2005-04-19  Kazu Hirata  <kazu@cs.umass.edu>
8105
8106         PR tree-optimization/21096
8107         * tree-ssa-copy.c (fini_copy_prop): Free cached_last_copy_of.
8108
8109 2005-04-19  Alan Modra  <amodra@bigpond.net.au>
8110
8111         PR target/21098
8112         * config/rs6000/rs6000.c (rs6000_elf_end_indicate_exec_stack): New.
8113         * config/rs6000/linux64.h (TARGET_ASM_FILE_END): Use the above.
8114
8115 2005-04-19  Alexandre Oliva  <aoliva@redhat.com>
8116
8117         * tree-cfg.c (dump_function_to_file): Use cfun info only if it
8118         refers to the function being dumped.
8119
8120 2005-04-18  Daniel Jacobowitz  <dan@codesourcery.com>
8121
8122         * varasm.c (assemble_start_function): Remove reset of in_section.
8123
8124 2005-04-18  James A. Morrison  <phython@gcc.gnu.org>
8125
8126         PR tree-optimization/21085
8127         * fold-const (fold_binary): Don't change X % -C to X % C if C has
8128         overflowed.
8129
8130 2005-04-19  Ben Elliston  <bje@au.ibm.com>
8131
8132         * doc/invoke.texi (Optimize Options): Refer to the correct
8133         optimisation flag -ftree-dominator-opts, not -ftree-dom.
8134
8135 2005-04-18  Christopher Jaillet <christophe.jaillet@wanadoo.fr>
8136
8137         * config/rs6000/rs6000.c (machopic_output_stub):  Increase
8138         alloca argument to be big enough.
8139
8140 2005-04-18  Alexandre Oliva  <aoliva@redhat.com>
8141
8142         PR middle-end/21049
8143         * tree-cfg.c (dump_function_to_file): Do not crash if cfun or
8144         cfun->cfg are NULL.
8145
8146 2005-04-18  Tom Tromey  <tromey@redhat.com>
8147
8148         * cgraphunit.c (cgraph_finalize_compilation_unit): Fix a comment
8149         typo.
8150
8151 2005-04-18  Richard Henderson  <rth@redhat.com>
8152
8153         * config/alpha/alpha.c (alpha_split_atomic_op): New.
8154         (alphaev5_insn_pipe): Add LD_L, ST_C, MB types.
8155         (alphaev4_insn_pipe): Likewise.  Correct IST and LDSYM pipes.
8156         * config/alpha/alpha-protos.h: Update.
8157         * config/alpha/alpha.md (UNSPECV_MB, UNSPECV_LL, UNSPECV_SC): New.
8158         (UNSPECV_ATOMIC, UNSPECV_CMPXCHG, UNSPECV_XCHG): New.
8159         (attr type): Add ld_l, st_c, mb.
8160         (andsi_internal, andnotsi3, iorsi_internal, one_cmplsi_internal,
8161         iornotsi3, xorsi_internal, xornotsi3): New.
8162         * config/alpha/ev4.md (ev4_ld): Add ld_l.
8163         (ev4_ist_c, ev4_mb): New.
8164         * config/alpha/ev5.md (ev5_st): Add st_c, mb.
8165         (ev5_ld_l): New.
8166         * config/alpha/ev6.md (ev6_ild): Add ld_l.
8167         (ev6_ist): Add st_c.
8168         (ev6_mb): New.
8169         * config/alpha/sync.md: New file.
8170
8171 2005-04-18  Richard Henderson  <rth@redhat.com>
8172
8173         * builtins.c (expand_builtin_sync_operation): Fold nand to and
8174         for constants.
8175
8176         * optabs.c (expand_sync_operation): Fix typo expanding nand to and.
8177
8178 2005-04-18  Devang Patel  <dpatel@apple.com>
8179
8180         * config/rs6000/atlivec.md (mulv4si3): New pattern.
8181
8182 2005-04-18  James A. Morrison  <phython@gcc.gnu.org>
8183
8184         PR tree-optimization/20922
8185         * fold-const.c (fold_binary): Fold X - c > X and X + c < X to false.
8186         Fold X + c >= X and fold X - c <= X to true.
8187
8188 2005-04-18  James A. Morrison  <phython@gcc.gnu.org>
8189
8190         * config/ia64/unwind-ia64.c (emergency_reg_state_free): Make an
8191         unsigned int.
8192         (emergency_labeled_state_free): Likewise.
8193
8194 2005-04-18  Nick Clifton  <nickc@redhat.com>
8195
8196         * config/h8300/h8300.md (jump): Remove prescan parameter from
8197         calls to final_scan_insn.
8198
8199         * config/arc/arc.c (arc_output_function_epilogue): Remove prescan
8200         parameter from calls to final_scan_insn.
8201
8202         * config.gcc (m68hc12): Use the m68hc11.opt file for target
8203         specific options.
8204         (v850e, v850e1): Use the v850.opt file for target specific
8205         options.
8206
8207 2005-04-18  Kazu Hirata  <kazu@cs.umass.edu>
8208
8209         PR tree-optimization/21001
8210         * tree-optimize.c (init_tree_optimization_passes): Move the
8211         first pass_forwprop immediately before pass_vrp.
8212
8213 2005-04-17  Ian Lance Taylor  <ian@airs.com>
8214
8215         * c-common.def (SIZEOF_EXPR, ARROW_EXPR, ALIGNOF_EXPR): Remove.
8216         * c-common.c (c_sizeof_or_alignof_type): Change second parameter
8217         from enum tree_code op to bool is_sizeof.
8218         * c-common.h (c_sizeof_or_alignof_type): Update declaration.
8219         (c_sizeof, c_alignof): Update calls to c_sizeof_or_alignof_type.
8220         * c-pretty-print.c (pp_c_postfix_expression): Remove ARROW_EXPR
8221         case.
8222         (pp_c_unary_expression): Remove SIZEOF_EXPR and ALIGNOF_EXPR
8223         cases.
8224         (pp_c_expression): Remove ARROW_EXPR, SIZEOF_EXPR, and
8225         ALIGNOF_EXPR cases.
8226
8227 2005-04-17  Ian Lance Taylor  <ian@airs.com>
8228
8229         * system.h: Poison DONT_ACCESS_GBLS_AFTER_EPILOGUE.
8230
8231 2005-04-17  Richard Henderson  <rth@redhat.com>
8232
8233         * config/alpha/alpha.c (va_list_skip_additions): Only define if
8234         TARGET_ABI_OSF.
8235         (TARGET_STDARG_OPTIMIZE_HOOK): Likewise.
8236         (alpha_stdarg_optimize_hook): Likewise.  Allow for one more round
8237         of indirection through ssa names while looking for the gpr counter
8238         field.
8239         (alpha_setup_incoming_varargs) <TARGET_ABI_OSF>: Make use of the
8240         saved va_list_gpr_size and va_list_fpr_size.
8241
8242 2005-04-17  Kazu Hirata  <kazu@cs.umass.edu>
8243
8244         * tree-vrp.c (compare_values): Check that VAL1 and VAL2 are
8245         both pointers or both integers.
8246
8247         * tree-vrp.c (maybe_add_assert_expr): Don't assert
8248         ASSERT_EXPRs for single-use variable.
8249
8250         * tree-into-ssa.c: Fix a comment typo.
8251
8252 2005-04-17  Richard Sandiford  <rsandifo@redhat.com>
8253
8254         * config/mips/iris6.h (DRIVER_SELF_SPECS): Check -march as well as
8255         -mipsN before forcing a default of -mips2.
8256
8257 2005-04-17  Kazu Hirata  <kazu@cs.umass.edu>
8258
8259         * predict.h (IS_TAKEN): Remove.
8260         * rtl.h (NOTE_PREDICTION): Likewise.
8261
8262         * modulo-sched.c (CFG_HOOKS): Remove.
8263
8264         * c-parser.c (N_C_TTYPES): Remove.
8265
8266         * tree-flow-inline.h (get_stmt_operands): Remove.
8267         * lambda-code.c, tree-ssa-loop-unswitch.c,
8268         tree-ssa-operands.c, tree-ssa-pre.c, tree-ssa-propagate.c,
8269         tree-ssa-sink.c, tree-ssa.c, tree-tailcall.c,
8270         tree-vect-transform.c, tree-vectorizer.c, tree-vrp.c): Remove
8271         calls to get_stmt_operands.
8272         * doc/tree-ssa.texi: Don't mention get_stmt_operands.
8273
8274 2005-04-17  Richard Henderson  <rth@redhat.com>
8275
8276         PR target/20375
8277         * config/alpha/alpha.c (alpha_setup_incoming_varargs): Advance a copy
8278         of CUMULATIVE_ARGS past the last named argument.
8279         (alpha_va_start): Expect pretend_args_size only if strictly less than
8280         6 named arguments.
8281
8282 2005-04-17  Kazu Hirata  <kazu@cs.umass.edu>
8283
8284         PR middle-end/21024
8285         * builtins.c (expand_builtin_strcat): Convert the result of
8286         strlen to the right type.
8287         * fold-const.c (fold_binary) <PLUS_EXPR>: Use fold_convert to
8288         avoid creating type mismatches.
8289         <GE_EXPR>: Pass op0 and op1 to fold_build2 to avoid creating
8290         type mismatches.
8291
8292         * c-lex.c (WCHAR_TYPE_SIZE, WCHAR_BYTES): Remove.
8293
8294 2005-04-16  Richard Henderson  <rth@redhat.com>
8295
8296         PR target/21051
8297         * builtins.c (expand_builtin) <BUILT_IN_BOOL_COMPARE_AND_SWAP_*>:
8298         Use the mode of boolean_type_node when the user doesn't provide one.
8299         * config/ia64/sync.md (sync_lock_release<I48MODE>): Use operand 1.
8300
8301 2005-04-16  Alexandre Oliva  <aoliva@redhat.com>
8302
8303         PR target/20126
8304         * loop.c (loop_givs_rescan): Handle non-replaceable (plus (reg)
8305         (const)).
8306
8307         * tree-scalar-evolution.c (interpret_rhs_modify_expr): Fix typo in
8308         comment.
8309
8310 2005-04-16  Roger Sayle  <roger@eyesopen.com>
8311             Steven Bosscher  <stevenb@suse.de>
8312
8313         * fold-const.c (fold_binary_to_constant): Delete obsolete comment.
8314         (fold_unary_to_constant): Likewise.
8315
8316 2005-04-16  Kazu Hirata  <kazu@cs.umass.edu>
8317
8318         * basic-block.h: Adjust the value of PROP_SCAN_DEAD_STORES,
8319         PROP_ASM_SCAN.
8320
8321 2005-04-16  Gerald Pfeifer  <gerald@pfeifer.com>
8322
8323         * doc/install.texi (Specific): Avoid using asterisks in @anchor
8324         names related to target triplets.
8325         Remove i?86-*-esix from platform directory.
8326         Remove powerpc-*-eabiaix from platform directory.
8327
8328 2005-04-16  Joseph S. Myers  <joseph@codesourcery.com>
8329
8330         PR middle-end/20491
8331         * config/ia64/ia64.c (rtx_needs_barrier): Recurse instead of
8332         falling through from SUBREG case to REG.
8333
8334 2005-04-15  Roger Sayle  <roger@eyesopen.com>
8335
8336         * fold-const.c (fold_relational_hi_lo): Delete function and prototype.
8337         (fold_binary): Update comment mentioning fold_relational_hi_lo.
8338         (fold_binary_to_constant): Simplify using fold_binary.
8339         (fold_unary_to_constant): Likewise, simplify using fold_unary.
8340
8341 2005-04-15  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
8342
8343         * gthr-posix.c (pthread_cancel): Define.
8344         (pthread_mutexattr_init): Likewise.
8345         (pthread_mutexattr_settype): Likewise.
8346         (pthread_mutexattr_destroy): Likewise.
8347
8348 2005-04-15  David S. Miller  <davem@davemloft.net>
8349
8350         PR target/20673
8351         * config/sparc/sparc.h (sparc_hard_reg_printed): Mark as GTY(()).
8352
8353 2005-04-15  Kazu Hirata  <kazu@cs.umass.edu>
8354
8355         PR tree-optimization/21031
8356         * tree-ssa-forwprop.c (ssa_name_defined_by_comparison_p): New.
8357         (forward_propagate_into_cond_1): Call it.  Forward propagate
8358         integer-integer casts into COND_EXPRs.
8359
8360 2005-04-15  Dave Korn  <dave.korn@artimi.com>
8361
8362         * gcc.c (default_compilers): Clarify obscure error message when
8363         reading from standard input.
8364
8365 2005-04-15  Kazu Hirata  <kazu@cs.umass.edu>
8366
8367         * basic-block.h (PROP_EQUAL_NOTES): Remove.
8368         * flow.c (propagate_one_insn): Don't use PROP_EQUAL_NOTES.
8369
8370         * tree-ssa-alias.c (init_alias_info): Remove a call to
8371         get_stmt_operands.
8372
8373 2005-04-15  Andrew MacLeod  <amacleod@redhat.com>
8374
8375         * tree-vect-analyze.c (vect_stmt_relevant_p): Process immediate uses
8376         of non-virtual PHI nodes like we use to.
8377
8378 2005-05-15  Paolo Bonzini  <bonzini@gnu.org>
8379
8380         * genattrtab.c (ATTR_EQ_ATTR_P): Remove.
8381         (attr_copy_rtx): Do not use it.
8382
8383 2005-04-15  Andrew Macleod  <amacleod@redhat.com>
8384
8385         * doc/tree-ssa.texi: Grammer/abbreviation updates.
8386
8387 2005-04-15  Diego Novillo  <dnovillo@redhat.com>
8388
8389         * tree-vect-transform.c (vectorizable_store): Mark necessary
8390         objects in the vectorized store needing renaming.  Update the
8391         SSA graph for V_MAY_DEF operands in the original store.
8392
8393 2005-04-14  Daniel Berlin <dberlin@dberlin.org>
8394
8395         * tree-ssa-pre.c (compute_avail): It's okay to have
8396         TREE_INVARIANT's here, and value number the resulting expressions.
8397         (create_expression_by_pieces): Make sure operands that were
8398         min_invariant when we started, stay that way.
8399
8400 2005-04-15  David Edelsohn  <edelsohn@gnu.org>
8401
8402         * doc/install.texi (*-ibm-aix*): Add comment about system limits.
8403
8404 2005-04-15  Kazu Hirata  <kazu@cs.umass.edu>
8405
8406         PR tree-optimization/20936.
8407         * tree-ssa-ccp.c (visit_assignment): Fix a typo.
8408
8409 2005-04-15  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
8410
8411         * doc/invoke.texi: Fix typos.
8412         * doc/md.texi: Likewise.
8413         * doc/rtl.texi: Likewise.
8414         * doc/sourcebuild.texi: Likewise.
8415         * doc/tm.texi: Likewise.
8416
8417 2005-04-15  Uros Bizjak  <uros@kss-loka.si>
8418
8419         PR tree-optimization/21004
8420         * convert.c (convert_to_integer): Convert ceilf, ceill, floorf
8421         and floorl in c99 mode only.
8422         * builtins.c (expand_builtin_int_roundingfn): Assert that
8423         fallback_fndecl is not NULL_TREE.
8424
8425 2005-04-15  Kazu Hirata  <kazu@cs.umass.edu>
8426
8427         * cfgrtl.c (purge_all_dead_edge): Remove an unused argument.
8428         * basic-block.h: Update the prototype for
8429         purge_all_dead_edges.
8430         * cfgexpand.c (tree_expand_cfg): Update a call to
8431         purge_all_dead_edges.
8432         * combine.c (combine_instructions): Likewise.
8433         * passes.c (rest_of_handle_old_regalloc, rest_of_handle_cse,
8434         rest_of_handle_cse2, rest_of_handle_gcse,
8435         rest_of_handle_postreload): likewise.
8436
8437 2005-04-15  Alexandre Oliva  <aoliva@redhat.com>
8438
8439         PR middle-end/20739
8440         * gimplify.c (gimplify_addr_expr): Compensate for removal of
8441         e.g. cv-qualification conversions.
8442
8443 2005-04-14  Mike Stump  <mrs@apple.com>
8444
8445         * config/darwin-c.c (framework_construct_pathname): We must
8446         find all headers of a framework in the first instance of it
8447         found in the seach path.
8448
8449 2005-04-14  Kazu Hirata  <kazu@cs.umass.edu>
8450
8451         PR tree-optimization/21021
8452         * tree-vrp.c (compare_values): Work around a bug in the front
8453         end that produces a comparison of mismatched types.
8454
8455 2004-04-14  Richard Henderson  <rth@redhat.com>
8456
8457         * config/ia64/ia64.h (enum fetchop_code): Remove.
8458         (enum ia64_builtins): Move ...
8459         * config/ia64/ia64.c (enum ia64_builtins): ... here.  Remove all
8460         members except BSP and FLUSHRS.
8461         (ia64_init_builtins): Remove __sync builtins.
8462         (ia64_expand_builtin): Likewise.
8463         (ia64_expand_fetch_and_op, ia64_expand_op_and_fetch): Remove.
8464         (ia64_expand_compare_and_swap, ia64_expand_lock_test_and_set): Remove.
8465         (ia64_expand_lock_release): Remove.
8466         * config/ia64/ia64.md (mf): Move to sync.md.
8467         (mf_internal, fetchadd_acq_si, fetchadd_acq_di, cmpxchg_acq_si,
8468         cmpxchg_acq_di, xchgsi, xchgdi): Likewise.
8469         * config/ia64/sync.md: New file.
8470         (memory_barrier): Rename from mf.
8471         (fetchadd_acq_<I48MODE>): Macroize from _si/_di patterns.
8472         (cmpxchg_acq_<I48MODE>): Likewise.
8473         (sync_lock_test_and_set<I48MODE>): Likewise.
8474
8475         * config/ia64/ia64intrin.h: Define nothing for C; limit #defines
8476         to c++.  Remove __sync* declarations.  s/_si/_4/.  s/_di/_8/.
8477
8478 2004-04-14  Richard Henderson  <rth@redhat.com>
8479
8480         * config/i386/i386.c (x86_cmpxchg, x86_xadd): New.
8481         (ix86_compare_emitted): New.
8482         (ix86_expand_compare): Use ix86_compare_emitted if set.
8483         (ix86_expand_setcc): Only emit REG_EQUAL if both ix86_compare_op0
8484         and ix86_compare_op0 are set.
8485         * config/i386/i386.h (x86_cmpxchg, x86_xadd): Declare.
8486         (TARGET_CMPXCHG, TARGET_XADD): New.
8487         (ix86_compare_emitted): Declare.
8488         * config/i386/i386.md: Include sync.md
8489         (UNSPECV_CMPXCHG_1, UNSPECV_CMPXCHG_2): New.
8490         (UNSPECV_XCHG, UNSPECV_LOCK): New.
8491         * config/i386/sync.md: New file.
8492
8493 2004-04-14  Richard Henderson  <rth@redhat.com>
8494
8495         PR middle-end/14311
8496         * builtin-types.def (BT_BOOL, BT_VOLATILE_PTR, BT_I1, BT_I2,
8497         BT_I4, BT_I8, BT_FN_VOID_VPTR, BT_FN_I1_VPTR_I1, BT_FN_I2_VPTR_I2,
8498         BT_FN_I4_VPTR_I4, BT_FN_I8_VPTR_I8, BT_FN_BOOL_VPTR_I1_I1,
8499         BT_FN_BOOL_VPTR_I2_I2, BT_FN_BOOL_VPTR_I4_I4, BT_FN_BOOL_VPTR_I8_I8,
8500         BT_FN_I1_VPTR_I1_I1, BT_FN_I2_VPTR_I2_I2, BT_FN_I4_VPTR_I4_I4,
8501         BT_FN_I8_VPTR_I8_I8): New.
8502         * builtins.def (DEF_SYNC_BUILTIN): New.
8503         (BUILT_IN_FETCH_AND_ADD_N, BUILT_IN_FETCH_AND_ADD_1,
8504         BUILT_IN_FETCH_AND_ADD_2, BUILT_IN_FETCH_AND_ADD_4,
8505         BUILT_IN_FETCH_AND_ADD_8, BUILT_IN_FETCH_AND_SUB_N,
8506         BUILT_IN_FETCH_AND_SUB_1, BUILT_IN_FETCH_AND_SUB_2,
8507         BUILT_IN_FETCH_AND_SUB_4, BUILT_IN_FETCH_AND_SUB_8,
8508         BUILT_IN_FETCH_AND_OR_N, BUILT_IN_FETCH_AND_OR_1,
8509         BUILT_IN_FETCH_AND_OR_2, BUILT_IN_FETCH_AND_OR_4,
8510         BUILT_IN_FETCH_AND_OR_8, BUILT_IN_FETCH_AND_AND_N,
8511         BUILT_IN_FETCH_AND_AND_1, BUILT_IN_FETCH_AND_AND_2,
8512         BUILT_IN_FETCH_AND_AND_4, BUILT_IN_FETCH_AND_AND_8,
8513         BUILT_IN_FETCH_AND_XOR_N, BUILT_IN_FETCH_AND_XOR_1,
8514         BUILT_IN_FETCH_AND_XOR_2, BUILT_IN_FETCH_AND_XOR_4,
8515         BUILT_IN_FETCH_AND_XOR_8, BUILT_IN_FETCH_AND_NAND_N,
8516         BUILT_IN_FETCH_AND_NAND_1, BUILT_IN_FETCH_AND_NAND_2,
8517         BUILT_IN_FETCH_AND_NAND_4, BUILT_IN_FETCH_AND_NAND_8,
8518         BUILT_IN_ADD_AND_FETCH_N, BUILT_IN_ADD_AND_FETCH_1,
8519         BUILT_IN_ADD_AND_FETCH_2, BUILT_IN_ADD_AND_FETCH_4,
8520         BUILT_IN_ADD_AND_FETCH_8, BUILT_IN_SUB_AND_FETCH_N,
8521         BUILT_IN_SUB_AND_FETCH_1, BUILT_IN_SUB_AND_FETCH_2,
8522         BUILT_IN_SUB_AND_FETCH_4, BUILT_IN_SUB_AND_FETCH_8,
8523         BUILT_IN_OR_AND_FETCH_N, BUILT_IN_OR_AND_FETCH_1,
8524         BUILT_IN_OR_AND_FETCH_2, BUILT_IN_OR_AND_FETCH_4,
8525         BUILT_IN_OR_AND_FETCH_8, BUILT_IN_AND_AND_FETCH_N,
8526         BUILT_IN_AND_AND_FETCH_1, BUILT_IN_AND_AND_FETCH_2,
8527         BUILT_IN_AND_AND_FETCH_4, BUILT_IN_AND_AND_FETCH_8,
8528         BUILT_IN_XOR_AND_FETCH_N, BUILT_IN_XOR_AND_FETCH_1,
8529         BUILT_IN_XOR_AND_FETCH_2, BUILT_IN_XOR_AND_FETCH_4,
8530         BUILT_IN_XOR_AND_FETCH_8, BUILT_IN_NAND_AND_FETCH_N,
8531         BUILT_IN_NAND_AND_FETCH_1, BUILT_IN_NAND_AND_FETCH_2,
8532         BUILT_IN_NAND_AND_FETCH_4, BUILT_IN_NAND_AND_FETCH_8,
8533         BUILT_IN_BOOL_COMPARE_AND_SWAP_N, BUILT_IN_BOOL_COMPARE_AND_SWAP_1,
8534         BUILT_IN_BOOL_COMPARE_AND_SWAP_2, BUILT_IN_BOOL_COMPARE_AND_SWAP_4,
8535         BUILT_IN_BOOL_COMPARE_AND_SWAP_8, BUILT_IN_VAL_COMPARE_AND_SWAP_N,
8536         BUILT_IN_VAL_COMPARE_AND_SWAP_1, BUILT_IN_VAL_COMPARE_AND_SWAP_2,
8537         BUILT_IN_VAL_COMPARE_AND_SWAP_4, BUILT_IN_VAL_COMPARE_AND_SWAP_8,
8538         BUILT_IN_LOCK_TEST_AND_SET_N, BUILT_IN_LOCK_TEST_AND_SET_1,
8539         BUILT_IN_LOCK_TEST_AND_SET_2, BUILT_IN_LOCK_TEST_AND_SET_4,
8540         BUILT_IN_LOCK_TEST_AND_SET_8, BUILT_IN_LOCK_RELEASE_N,
8541         BUILT_IN_LOCK_RELEASE_1, BUILT_IN_LOCK_RELEASE_2,
8542         BUILT_IN_LOCK_RELEASE_4, BUILT_IN_LOCK_RELEASE_8,
8543         BUILT_IN_SYNCHRONIZE: New.
8544         * builtins.c (called_as_built_in): Rewrite from CALLED_AS_BUILT_IN
8545         as a function.  Accept __sync_ as a prefix as well.
8546         (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
8547         expand_builtin_lock_test_and_set, expand_builtin_synchronize,
8548         expand_builtin_lock_release): New.
8549         (expand_builtin): Call them.
8550         * c-common.c (DEF_BUILTIN): Don't require __builtin_ prefix if
8551         neither BOTH_P nor FALLBACK_P are defined.
8552         (builtin_type_for_size): New.
8553         (sync_resolve_size, sync_resolve_params, sync_resolve_return): New.
8554         (resolve_overloaded_builtin): New.
8555         * c-common.h (resolve_overloaded_builtin): Declare.
8556         (builtin_type_for_size): Declare.
8557         * c-typeck.c (build_function_call): Invoke resolve_overloaded_builtin.
8558         * expr.c (sync_add_optab, sync_sub_optab, sync_ior_optab,
8559         sync_and_optab, sync_xor_optab, sync_nand_optab, sync_old_add_optab,
8560         sync_old_sub_optab, sync_old_ior_optab, sync_old_and_optab,
8561         sync_old_xor_optab, sync_old_nand_optab, sync_new_add_optab,
8562         sync_new_sub_optab, sync_new_ior_optab, sync_new_and_optab,
8563         sync_new_xor_optab, sync_new_nand_optab, sync_compare_and_swap,
8564         sync_compare_and_swap_cc, sync_lock_test_and_set,
8565         sync_lock_release): New.
8566         * optabs.h: Declare them.
8567         * expr.h (expand_val_compare_and_swap, expand_bool_compare_and_swap,
8568         expand_sync_operation, expand_sync_fetch_operation,
8569         expand_sync_lock_test_and_set): Declare.
8570         * genopinit.c (optabs): Add sync optabs.
8571         * optabs.c (init_optabs): Initialize sync optabs.
8572         (expand_val_compare_and_swap_1, expand_val_compare_and_swap,
8573         expand_bool_compare_and_swap, expand_compare_and_swap_loop,
8574         expand_sync_operation, expand_sync_fetch_operation,
8575         expand_sync_lock_test_and_set): New.
8576         * doc/extend.texi (Atomic Builtins): New section
8577         * doc/md.texi (Standard Names): Add sync patterns.
8578
8579 2005-04-14  Alexandre Oliva  <aoliva@redhat.com>
8580
8581         * tree-eh.c (lower_try_finally_copy): Generate new code in
8582         response to goto_queue entries as if the queue was sorted by
8583         index, not pointers.
8584         (lower_try_finally_switch): Likewise.
8585
8586 2005-04-14  Richard Henderson  <rth@redhat.com>
8587
8588         * config/i386/i386.c (ix86_expand_sse_cmp): Split out from ...
8589         (ix86_expand_sse_movcc): ... here.  Take cmp as a pre-computed
8590         register.
8591         (ix86_expand_fp_movcc): Update to match.
8592         (ix86_expand_fp_vcond, ix86_expand_int_vcond): New.
8593         * config/i386/i386-protos.h: Update.
8594         * config/i386/sse.md (vcondv4sf, vcondv2df): New.
8595         (vcond<SSEMODE124>, vcondu<SSEMODE12>): New.
8596
8597 2005-04-14  Joseph S. Myers  <joseph@codesourcery.com>
8598
8599         * doc/cpp.texi, doc/install.texi: Change references to GCC 3.5 to
8600         refer to 4.0.
8601
8602 2005-04-14  Julian Brown  <julian@codesourcery.com>
8603
8604         * Revert elfos.h part of my patch from 2005-04-13 for causing libstdc++
8605         link failures on ppc64 Linux.
8606
8607 2005-04-14  Andreas Krebbel  <krebbel1@de.ibm.com>
8608
8609         * config.gcc: Set cpu_type for s390.
8610
8611 2005-04-14  Daniel Berlin  <dberlin@dberlin.org>
8612
8613         Fix PR tree-optimization/20963
8614         * tree-ssa-pre.c (compute_avail): Remove special case for
8615         TREE_INVARIANT.
8616         (create_expression_by_pieces): Add value numbers for forced out
8617         statements.
8618
8619 2005-04-14  Hans-Peter Nilsson  <hp@axis.com>
8620
8621         * config/cris/cris.md: Replace references to (reg:SI 16) with
8622         (reg:SI CRIS_SRP_REGNUM).
8623
8624 2005-04-14  Kazu Hirata  <kazu@cs.umass.edu>
8625
8626         PR tree-optimization/20657
8627         * tree-vrp.c (extract_range_from_expr): Notice INTEGER_CST to
8628         create an appropriate range from it.
8629
8630 2005-04-14  Uros Bizjak  <uros@kss-loka.si>
8631
8632         * reg-stack.c (subst_stack_regs_pat): Handle <UNSPEC_FIST_FLOOR> and
8633         <UNSPEC_FIST_CEIL> case.
8634
8635         * config/i386/i386.md (UNSPEC_FIST_FLOOR, UNSPEC_FIST_CEIL): New.
8636         (*fist<mode>2_floor_1, fistdi2_floor, fistdi2_floor_with_temp)
8637         (fist<mode>2_floor, fist<mode>2_floor_with_temp): New isns patterns
8638         to implement lfloor and llfloor built-ins as x87 intrinsic function.
8639         (fistdi2_floor, fist<mode>2_floor splitters): New splitters.
8640         (lfloor<mode>2): New expanders.
8641         (*fist<mode>2_ceil_1, fistdi2_ceil, fistdi2_ceil_with_temp)
8642         (fist<mode>2_ceil, fist<mode>2_ceil_with_temp): New isns patterns
8643         to implement lceil and llceil built-ins as x87 intrinsic function.
8644         (fistdi2_ceil, fist<mode>2_ceil splitters): New splitters.
8645         (lceil<mode>2): New expanders.
8646
8647 2005-04-14  Uros Bizjak  <uros@kss-loka.si>
8648
8649         * convert.c (convert_to_integer): Convert (long int)trunc{,f,l},
8650         and (long long int)ceil{,f,l} into FIX_TRUNC_EXPR.
8651
8652 2005-04-14  Ulrich Weigand  <uweigand@de.ibm.com>
8653
8654         PR target/20927
8655         * config/s390/s390-modes.def: Define TFmode.
8656
8657 2005-04-13  Richard Sandiford  <rsandifo@redhat.com>
8658
8659         * config/mips/mips.h (ASM_OUTPUT_CASE_LABEL): Delete.
8660         (JUMP_TABLES_IN_TEXT_SECTION): Define.
8661         * config/mips/mips.c (mips16_insn_length): Remove reference to
8662         JUMP_TABLES_IN_TEXT_SECTION.
8663
8664 2005-04-13 Fariborz Jahanian <fjahanian@apple.com>
8665
8666         * simplify-rtx.c (simplify_binary_operation_1): Return
8667         scalar or vector of constant 0, depending on the xor's
8668         mode.
8669
8670 2005-04-13  Dale Johannesen  <dalej@apple.com>
8671
8672         * objc/Make-lang.in (objc-lang.o):  Depend on tree-gimple.h.
8673         (objc-act.o):  Ditto.
8674         * objc/objc-act.c (objc_gimplify_expr):  New.
8675         (objc_get_callee_fndecl):  New.
8676         * objc/objc-act.h:  Include tree-gimple.h.  Declare new functions.
8677         * objc/objc-lang.c (LANG_HOOKS_GIMPLIFY_EXPR):  Define.
8678         (LANG_HOOKS_GET_CALLEE_FNDECL):  Define.
8679
8680 2005-04-13  Devang Patel  <dpatel@apple.com>
8681
8682         * tree-if-conv.c (tree_if_convert_cond_expr): Do not create extra
8683         temp variables.
8684
8685 2005-04-13  Hans-Peter Nilsson  <hp@axis.com>
8686
8687         CRIS prologue as RTL.
8688         * config/cris/cris-protos.h (cris_emit_movem_store)
8689         (cris_expand_prologue): Prototype.
8690         * config/cris/cris.c (struct machine_function): New member
8691         stdarg_regs.
8692         (cfa_label_num, cris_target_asm_function_prologue): Remove.
8693         (TARGET_ASM_FUNCTION_PROLOGUE): Don't override.
8694         (cris_general_operand_or_gotless_symbol): Accept CRIS_UNSPEC_GOT.
8695         (cris_load_multiple_op, cris_return_address_on_stack)
8696         (cris_return_address_on_stack_for_return): ISO-Cify.
8697         (cris_store_multiple_op): New predicate function.
8698         (cris_expand_prologue, cris_emit_movem_store): New functions.
8699         (cris_print_operand) <case 'O'>: Handle modifications other than
8700         post-increment.
8701         (cris_symbol, cris_got_symbol): Return 0 for CRIS_UNSPEC_GOT.
8702         (cris_gotless_symbol): Return 1 for CRIS_UNSPEC_GOT.
8703         (cris_gen_movem_load): Rearrange slightly to make local variable
8704         src a parameter, removing osrc.
8705         (cris_setup_incoming_varargs): Set machine_function member
8706         stdarg_regs to correspond to the number of registers that need to
8707         be saved.
8708         * config/cris/cris.h (EXTRA_CONSTRAINT_S): Accept
8709         CRIS_UNSPEC_GOT.
8710         (PREDICATE_CODES): Add cris_store_multiple_op.  Make
8711         cris_general_operand_or_gotless_symbol accept UNSPEC.
8712         * config/cris/cris.md (CRIS_UNSPEC_GOT): New constant.
8713         ("*movsi_internal") <alternative 8>: Handle CRIS_UNSPEC_GOT.
8714         ("*cris_store_multiple"): New pattern.  Tweak common comment above
8715         this and "*cris_load_multiple".
8716         ("prologue"): New define_expand.
8717
8718         * config/cris/cris.md ("epilogue"): Conditionalize on
8719         TARGET_PROLOGUE_EPILOGUE.
8720
8721 2005-04-13  Steve Ellcey  <sje@cup.hp.com>
8722
8723         PR target/20924
8724         * config/ia64/ia64.md (divsf3_internal_lat): Generate frcpa with
8725         fpsr 0 instead of fpsr 1.
8726         (divsf3_internal_thr): Ditto.
8727         (divdf3_internal_lat): Ditto.
8728         (divdf3_internal_thr): Ditto.
8729         (divxf3_internal_lat): Ditto.
8730         (divxf3_internal_thr): Ditto.
8731
8732 2005-04-13  Kazu Hirata  <kazu@cs.umass.edu>
8733
8734         PR tree-optimization/20913
8735         * tree-ssa-copy.c (copy_prop_visit_cond_stmt): Fold COND_EXPR.
8736
8737         PR tree-optimization/20702
8738         * tree-vrp.c (maybe_add_assert_expr): Recurse into
8739         dominator children that haven't been walked into.
8740
8741 2005-04-13  Julian Brown  <julian@codesourcery.com>
8742
8743         * config/elfos.h (MAKE_DECL_ONE_ONLY): Redefined to stop DECL_WEAK from
8744         being used for symbols with vague linkage when HAVE_GAS_COMDAT_GROUP
8745         is true.
8746
8747 2005-04-13  Kazu Hirata  <kazu@cs.umass.edu>
8748
8749         * basic-block.h, tree-ssa-uncprop.c, varasm.c,
8750         config/i386/sse.md: Fix comment typos.
8751
8752         * genattrtab.c (NULL_ATTR): Remove.
8753         * ifcvt.c (NULL_EDGE): Likewise.
8754
8755         * rtl.h (RTX_EXPR_FIRST, RTX_EXPR_LAST): Remove.
8756
8757         * rtl.h (NOTE_PREDICTION_ALG, NOTE_PREDICTION_FLAGS,
8758         NOTE_PREDICT): Remove.
8759
8760 2005-04-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
8761
8762         * configure.ac (gcc_AC_CHECK_DECLS): Add vsnprintf.
8763         * configure: Regenerate.
8764         * config.in: Likewise.
8765         * system.h: Declare vsnprintf if not already declared.
8766
8767 2005-04-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
8768
8769         * optc-gen.awk: Handle stand-alone Mask records.
8770         * opth-gen.awk: Likewise.
8771         * doc/options.texi (Option file format): Document them.
8772         * config.gcc (sparc-*-netbsdelf*, sparc-*-linux*, sparc64-*-freebsd*,
8773         sparc64-*-linux*, sparc64-*-netbsd*): Add long-double-switch.opt.
8774         (sparc64-*-openbsd*, sparc64-*-elf*): Add little-endian.opt.
8775         * config/sparc/sparc.h (MASK_FPU, MASK_UNALIGNED_DOUBLES,
8776         MASK_V8, MASK_SPARCLITE, MASK_SPARCLET, MASK_V9,
8777         MASK_DEPRECATED_V8_INSNS, MASK_IMPURE_TEXT, MASK_APP_REGS,
8778         MASK_HARD_QUAD, MASK_LITTLE_ENDIAN, MASK_PTR64, MASK_64BIT,
8779         MASK_STACK_BIAS, MASK_FPU_SET, MASK_VIS, MASK_V8PLUS,
8780         MASK_FASTER_STRUCTS, MASK_LONG_DOUBLE_128): Delete.
8781         (TARGET_FPU, TARGET_UNALIGNED_DOUBLES, TARGET_V8, TARGET_SPARCLITE,
8782         TARGET_SPARCLET, TARGET_V9, TARGET_DEPRECATED_V8_INSNS,
8783         TARGET_IMPURE_TEXT, TARGET_APP_REGS, MASK_HARD_QUAD,
8784         TARGET_LITTLE_ENDIAN, TARGET_PTR64, TARGET_64BIT, MASK_STACK_BIAS,
8785         TARGET_FPU_SET, TARGET_VIS, TARGET_V8PLUS, TARGET_FASTER_STRUCTS,
8786         TARGET_LONG_DOUBLE_128): Likewise.
8787         (TARGET_SWITCHES, SUBTARGET_SWITCHES): Likewise.
8788         (TARGET_OPTIONS, SUBTARGET_OPTIONS): Likewise.
8789         * config/sparc/freebsd.h (SUBTARGET_SWITCHES): Likewise.
8790         * config/sparc/linux.h (SUBTARGET_SWITCHES): Likewise.
8791         * config/sparc/linux64.h (SUBTARGET_SWITCHES): Likewise.
8792         * config/sparc/netbsd-elf.h (SUBTARGET_SWITCHES): Likewise.
8793         * config/sparc/sp64-elf.h (SUBTARGET_SWITCHES): Likewise.
8794         * config/sparc/sparc.c (fpu_option_set): New global.
8795         (sparc_handle_option): New function.
8796         (sparc_override_options): Test fpu_option_set.
8797         (TARGET_DEFAULT_TARGET_FLAGS): Set to TARGET_DEFAULT.
8798         (TARGET_HANDLE_OPTION): Set to sparc_handle_option.
8799         * config/sparc/sparc.opt: New file.
8800         * config/sparc/little-endian.opt: Likewise.
8801         * config/sparc/long-double-switch.opt: Likewise.
8802
8803 2005-04-13  Bernd Schmidt  <bernd.schmidt@analog.com>
8804
8805         * config/bfin/bfin.c (bfin_lib_id_given): New static variable.
8806         (bfin_handle_options): Set it if -mshared-library-id= is seen.
8807         * config/bfin/bfin.opt (mshared-library-id=): Lose
8808         Var(bfin_lib_id_given).
8809
8810 2005-04-13  Matt Thomas  <matt@3am-software.com>
8811
8812         * config/rs6000/sysv4.h (NO_IMPLICIT_EXTERN_C): undefine before
8813         defining.
8814
8815 2005-04-13  Kazu Hirata  <kazu@cs.umass.edu>
8816
8817         * rtl.h (CLEAR_RTX_FLAGS): Remove.
8818
8819         * cgraphunit.c (INSNS_PER_CALL): Remove.
8820
8821         * tree-ssa-forwprop.c (vars,
8822         record_single_argument_cond_exprs,
8823         substitute_single_use_vars): Remove.
8824         (forward_propagate_into_cond_1, forward_propagate_into_cond):
8825         New.
8826         (tree_ssa_forward_propagate_single_use_vars): Call
8827         forward_propagate_into_cond for each COND_EXPR.
8828
8829         * tree-inline.c (INSNS_PER_STMT): Remove.
8830
8831 2005-04-12  Richard Henderson  <rth@redhat.com>
8832
8833         * config/i386/i386.c (ix86_prepare_sse_fp_compare_args): Split ...
8834         (ix86_expand_sse_fp_minmax): ... from ...
8835         (ix86_expand_fp_movcc): ... here.
8836         (ix86_expand_sse_movcc): Rewrite from ix86_split_sse_movcc.
8837         * config/i386/i386-protos.h: Update.
8838         * config/i386/i386.md (UNSPEC_IEEE_MIN, UNSPEC_IEEE_MAX): New.
8839         (sse_setccsf, sse_setccdf): Allow before reload.
8840         (movsfcc_1_sse_min, movsfcc_1_sse_max, movsfcc_1_sse): Remove.
8841         (movdfcc_1_sse_min, movdfcc_1_sse_max, movdfcc_1_sse): Remove.
8842         (ieee_sminsf3, ieee_smaxsf3, ieee_smindf3, ieee_smaxdf3): New.
8843         * config/i386/sse.md (andsf3, nandsf3, iorsf3, xorsf3): New.
8844         (anddf3, nanddf3, iordf3, xordf3): New.
8845
8846 2005-04-12  Jeff Law  <law@redhat.com>
8847
8848         * Makefile.in (OBJS-common): Add tree-ssa-uncprop.o.
8849         (tree-ssa-uncprop.o): Add dependencies.
8850         * tree-cfg.c (remove_useless_stmts_bb, remove_useless_stmts): Remove.
8851         * tree-flow.h (remove_useless_stmts): Remove prototype.
8852         * tree-outof-ssa.c (rewrite_out_of_ssa): Remove call to
8853         remove_useless_stmts.
8854         * timevar.def (TV_TREE_SSA_UNCPROP): New timevar.
8855         * tree-optimize.c (init_tree_optimization_passes): Add uncprop pass.
8856         * tree-pass.h (pass_uncprop): Declare.
8857         * tree-ssa-uncprop.c: New file.
8858
8859 2005-04-12  James E. Wilson  <wilson@specifixinc.com>
8860
8861         PR target/20670
8862         * unwind-ia64.c (uw_intall_context): Add missing load of r27.
8863
8864 2005-04-12  Caroline Tice  <ctice@apple.com>
8865
8866         Temporary fix for partitioning problems.
8867         * passes.c (rest_of_handle_final): Remove code that
8868         frees unlikely_text_section_name,
8869         * varasm.c (assemble_start_function): Test for partitioning
8870         flag before writing out section labels.
8871         (assemble_end_function): Test for partitioning flag before
8872         writing out section labels.
8873
8874 2005-04-12  Steven Bosscher  <stevenb@suse.de>
8875             Stuart Hastings <stuart@apple.com>
8876             Jan Hubicka  <jh@suse.cz>
8877
8878         * Makefile.in: Add function.h to BASIC_BLOCK_H.  Remove all
8879         references to gt-tree-cfg.h.
8880         * basic-block.h (struct basic_block_def): Don't skip rbi
8881         for garbage collection.
8882         (struct reorder_block_def): Make GTY-able.
8883         (struct control_flow_graph): New structure.
8884         (n_edges, n_basic_blocks, last_basic_block, basic_block_info,
8885         BASIC_BLOCK, EXIT_BLOCK_PTR, ENTRY_BLOCK_PTR): No longer vars,
8886         but instead defines to the control_flow_graph for cfun.
8887         (label_to_block_map): New define, points to the label map of
8888         the control_flow_graph for cfun.
8889         (n_edges_for_function, n_basic_blocks_for_function,
8890         last_basic_block_for_function, basic_block_info_for_function,
8891         EXIT_BLOCK_PTR_FOR_FUNCTION, ENTRY_BLOCK_PTR_FOR_FUNCTION,
8892         basic_block_info_for_function, label_to_block_map_for_function):
8893         Counterparts for the above, taking a struct function as an extra
8894         argument.
8895         (alloc_rbi_pool, free_rbi_pool): Remove prototypes.
8896         * cfg.c: (n_edges, n_basic_blocks, last_basic_block,
8897         basic_block_info, ENTRY_BLOCK_PTR, EXIT_BLOCK_PTR): Remove.
8898         (alloc_rbi_pool, free_rbi_pool): Remove.
8899         (initialize_bb_rbi): Use ggc_alloc_cleared instead of pool_alloc.
8900         * cfglayout.c: (cfg_layout_initialize): Don't allocate the rbi pool
8901         here...
8902         (cfg_layout_finalize) ... and don't free it here.
8903         * cfgrtl.c (cfg_layout_delete_block): Zero out rbi so it gets
8904         garbage collected.
8905         * flow.c (free_basic_block_vars): Set label_to_block_map and
8906         n_edges to zero too.
8907         * function.h (struct function): Add cfg field.
8908         * function.c (allocate_struct_function): Allocate the cfg.
8909         * tree-cfg.c (label_to_block_map): Remove.
8910         (build_tree_cfg): Don't allocate the rbi pool here...
8911         (delete_tree_cfg_annotations): ...and don't free it here.
8912         Also don't nullify label_to_block_map for cfun.
8913
8914 2005-04-12  Caroline Tice  <ctice@apple.com>
8915
8916         * bb-reorder.c (find_rarely_executed_basic_blocks_and_crossing_edges):
8917         Revert my patch from April 9.
8918         (fix_edges_for_rarely_executed_code): Revert my patch from April 9.
8919         (reorder_basic_blocks): Revert my patch from April 9.
8920         (insert_section_boundary_note): Revert my patch from April 9.
8921         * dbxout.c (dbxout_function_end): Revert my patch from April 9.
8922         * dwarf2out.c (COLD_TEXT_SECTION_LABEL): Revert my patch from April 9.
8923         (COLD_END_LABEL):  Revert my patch from April 9.
8924         (cold_text_section_label):  Revert my patch from April 9.
8925         (cold_end_label): Revert my patch from April 9.
8926         (dwarf2out_switch_text_section): Revert my patch from April 9.
8927         (output_aranges): Revert my patch from April 9.
8928         (output_ranges):  Revert my patch from April 9.
8929         (output_line_info): Revert my patch from April 9.
8930         (add_location_or_const_value_attribute):  Revert my patch from April 9.
8931         (dwarf2out_var_location): Revert my patch from April 9.
8932         (dwarf2out_init):  Revert my patch from April 9.
8933         (dwarf2out_finish): Revert my patch from April 9.
8934         * function.h (struct function): Revert my patch from April 9.
8935         * opts.c (decode_options): Revert my patch from April 9.
8936         * output.h (unlikely_section_label, hot_section_label,
8937         hot_section_end_label, cold_section_end_label,
8938         unlikely_text_section_name): Revert my patch from April 9.
8939         * passes.c (rest_of_handle_final): Revert my patch from April 9.
8940         * varasm.c (unlikely_section_label, hot_section_label,
8941         hot_section_end_label, cold_section_end_label,
8942         unlikely_text_section_name): Revert my patch from April 9.
8943         (initialize_cold_section_name): Revert my patch from April 9.
8944         (unlikely_text_section): Revert my patch from April 9.
8945         (in_unlikely_text_section): Revert my patch from April 9.
8946         (named_section): Revert my patch from April 9.
8947         (function_section): Revert my patch from April 9.
8948         (current_function_section): Revert my patch from April 9.
8949         (assemble_start_function): Revert my patch from April 9.
8950         (assemble_end_function): Revert my patch from April 9.
8951         (default_section_type_flags_1): Revert my patch from April 9.
8952
8953 2005-04-12  Eric Botcazou  <ebotcazou@libertysurf.fr>
8954
8955         * config/sparc/sparc.h (APPLY_RESULT_SIZE): Set to 24 in 64-bit mode.
8956         * config/sparc/sparc.md (untyped_call): Save the registers manually.
8957
8958         * config/sparc/sparc.c (legitimate_address_p): Use TARGET_ARCH32.
8959
8960 2005-04-12  Ulrich Weigand  <uweigand@de.ibm.com>
8961
8962         PR middle-end/20917
8963         * config/s390/s390.md ("*set_tp"): Use SET in pattern.
8964         ("set_tp_64", "set_tp_31"): Adapt expanded pattern.
8965
8966 2004-04-12  Richard Henderson  <rth@redhat.com>
8967
8968         * config/i386/i386.md (UNSPEC_FIX, UNSPEC_MOVA, UNSPEC_SHUFFLE,
8969         UNSPEC_PSHUFLW, UNSPEC_PSHUFHW, UNSPEC_ADDSUB, UNSPEC_HADD,
8970         UNSPEC_HSUB, UNSPEC_MOVSHDUP, UNSPEC_MOVSLDUP, UNSPEC_MOVDDUP): Remove.
8971         (UNSPEC_*, UNSPECV_*): Renumber.
8972
8973 2005-04-12  Frank Ch. Eigler  <fche@redhat.com>
8974
8975         PR mudflap/19266
8976         From Richard Henderson <rth@redhat.com>:
8977         * tree-mudflap.c (mf_build_check_statement_for): Correct block
8978         splitting logic.
8979
8980 2005-04-12  Dorit Naishlos  <dorit@il.ibm.com>
8981
8982         * tree-cfg.c (tree_verify_flow_info): Use LABEL_EXPR_LABEL.
8983
8984 2005-04-12  Bernd Schmidt  <bernd.schmidt@analog.com>
8985
8986         * config/bfin/bfin.c (bfin_library_id_string): Remove.
8987         (bfin_library_id): New variable.
8988         (bfin_expand_prologue): Use bfin_library_id and bfin_lib_id_given
8989         instead of bfin_library_id_string.
8990         (bfin_handle_option): New function.
8991         (override_options): Remove most code to deal with shared library IDs,
8992         just check they aren't used without -mid-shared-library.
8993         (TARGET_HANDLE_OPTION): Define.
8994         * config/bfin/bfin.h (TARGET_OPTIONS): Delete macro.
8995         * config/bfin/bfin.opt (mshared-library-id=): New.
8996
8997 2005-04-12  Kazu Hirata  <kazu@cs.umass.edu>
8998
8999         * tree-vect-transform.c: Fix comment typos.
9000
9001 2005-04-12 Mostafa Hagog <mustafa@il.ibm.com>
9002
9003         * postreload-gcse.c (eliminate_partially_redundant_load): Don't
9004         split critical edges when not possible/profitable.
9005
9006 2005-04-12  Richard Sandiford  <rsandifo@redhat.com>
9007
9008         * config/ns32k/ns32k.h (target_flags, MASK_32081, MASK_RTD)
9009         (MASK_REGPARM, MASK_32532, MASK_32332, MASK_NO_SB, MASK_NO_BITFIELD)
9010         (MASK_HIMEM, MASK_32381, MASK_MULT_ADD, MASK_SRC, MASK_IEEE_COMPARE)
9011         (TARGET_32081, TARGET_32381, TARGET_MULT_ADD, TARGET_RTD)
9012         (TARGET_REGPARM, TARGET_32532, TARGET_32332, TARGET_SB, TARGET_HIMEM)
9013         (TARGET_BITFIELD, TARGET_IEEE_COMPARE, TARGET_SWITCHES): Delete.
9014         (OVERRIDE_OPTIONS): Clear MASK_SB instead of setting MASK_NO_SB.
9015         * config/ns32k/netbsd.h (TARGET_DEFAULT): Remove MASK_NO_SB and
9016         MASK_NO_BITFIELD.
9017         * config/ns32k/ns32k.c (ns32k_handle_option): New function.
9018         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
9019         * config/ns32k/ns32k.opt: New file.
9020
9021 2005-04-12  Richard Sandiford  <rsandifo@redhat.com>
9022
9023         * config.gcc (m68k-*-linux*): Add m68k/ieee.opt to $extra_options.
9024         * config/m68k/m68k.h (target_flags, MASK_68020, TARGET_68020)
9025         (MASK_68030, TARGET_68030, MASK_68040, TARGET_68040, MASK_68040_ONLY)
9026         (TARGET_68040_ONLY, MASK_68060, TARGET_68060, MASK_5200, TARGET_5200)
9027         (MASK_CFV3, TARGET_CFV3, MASK_CFV4, TARGET_CFV4, MASK_528x)
9028         (TARGET_528x, MASK_CF_HWDIV, TARGET_CF_HWDIV, MASK_68881, TARGET_68881)
9029         (MASK_BITFIELD, TARGET_BITFIELD, MASK_SHORT, TARGET_SHORT)
9030         (MASK_ALIGN_INT, TARGET_ALIGN_INT, MASK_PCREL, TARGET_PCREL)
9031         (MASK_NO_STRICT_ALIGNMENT, TARGET_STRICT_ALIGNMENT, MASK_RTD)
9032         (TARGET_RTD, MASK_SEP_DATA, TARGET_SEP_DATA, MASK_ID_SHARED_LIBRARY)
9033         (TARGET_ID_SHARED_LIBRARY, MASK_ALL_CF_BITS, TARGET_SWITCHES)
9034         (TARGET_OPTIONS, SUBTARGET_SWITCHES, SUBTARGET_OPTIONS): Delete.
9035         (MASK_COLDFIRE): Formatting fixes.
9036         (TARGET_COLDFIRE): Turn into a boolean value for consistency.
9037         * config/m68k/linux.h (SUBTARGET_SWITCHES): Delete.
9038         * config/m68k/m68k.c (m68k_library_id_string): Initialize to
9039         "_current_shared_library_a5_offset_".
9040         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
9041         (MASK_ALL_CPU_BITS): New macro.
9042         (m68k_handle_option): New function.
9043         (override_options): Remove handling of m68k_library_id_string.
9044         * config/m68k/m68k.opt: New file.
9045         * config/m68k/ieee.opt: New file.
9046
9047 2005-04-11  Mark Mitchell  <mark@codesourcery.com>
9048
9049         * target-def.h (TARGET_CXX_EXPORT_CLASS_DATA): Remove.
9050         (TARGET_CXX_DETERMINE_CLASS_VISIBILITY): New macro.
9051         (TARGET_CXX_CLASS_DATA_ALWAYS_COMDAT): Likewise.
9052         (TARGET_CXX): Adjust accordingly.
9053         * target.h (struct gcc_target): Remove epxort_class_data.  Add
9054         determine_class_data_visibility and class_data_always_comdat.
9055         * doc/tm.texi (TARGET_CXX_EXPORT_CLASS_DATA): Remove.
9056         (TARGET_CXX_DETERMINE_CLASS_DATA_VISIBILITY): Document.
9057         (TARGET_CXX_CLASS_DATA_ALWAYS_COMDAT): Likewise.
9058         * config/arm/arm.c (arm_cxx_export_class_data): Remove.
9059         (arm_cxx_determine_class_data_visibility): New.
9060         (arm_cxx_class_data_always_comdat): Likewise.
9061         (TARGET_CXX_EXPORT_CLASS_DATA): Remove.
9062         (TARGET_CXX_DETERMINE_CLASS_DATA_VISIBILITY): Define.
9063         (TARGET_CXX_CLASS_DATA_ALWAYS_COMDAT): Likewise.
9064         * config/arm/arm.h (TARGET_ARM_DYNAMIC_VAGUE_LINKAGE_P): Define.
9065         * config/arm/symbian.h (TARGET_ARM_DYNAMIC_VAGUE_LINKAGE_P):
9066         Define.
9067
9068 2005-04-11  Devang Patel  <dpatel@apple.com>
9069
9070         * tree-data-ref.c (build_classic_dist_vector,
9071         compute_subscript_distance): Make externally visible.
9072         * tree-data-ref.h (build_classic_dist_vector,
9073         compute_subscript_distance): Same.
9074         * tree-vect-analyze.c (vect_analyze_data_ref_dependence):
9075         Check distance vector against vectorization factor.
9076         (vect_analyze_loop): Determine vectorizaion factor before
9077         analyzing data dependences.
9078         * tree-vectorizer.c (loops_num): Make it externally visible and
9079         rename ...
9080         * tree-vectorizer.c (vect_loops_num): ... new name.
9081         * tree-vectorizer.h  (vect_loops_num): New.
9082
9083 2005-04-11  Devang Patel  <dpatel@apple.com>
9084
9085         * tree-vect-analyze.c (vect_analyze_operations): Check
9086         vectorizable codition.
9087         * tree-vect-transform.c (vect_is_simple_cond): New function.
9088         (vectorizable_condition): New function.
9089         (vect_transform_stmt): Handle condition_vec_info_type.
9090         * tree-vectorizer.h (enum stmt_vec_info_type): Add
9091         condition_vec_info_type.
9092         (vectorizable_condition): New.
9093
9094 2005-04-11  Geoffrey Keating  <geoffk@apple.com>
9095
9096         * config/i386/i386.h (TARGET_FPMATH_DEFAULT): New.
9097         * config/i386/darwin.h (TARGET_FPMATH_DEFAULT): New.
9098         * config/i386/i386.c (override_options): Use TARGET_FPMATH_DEFAULT.
9099
9100         * config/i386/darwin.h (ASM_SPEC): Use -arch i386 not -arch i686.
9101         (SUBTARGET_EXTRA_SPECS): Always 'i386'.
9102
9103         * dwarf2out.c (output_line_info): Don't try to dereference
9104         a NULL current_function_decl.
9105
9106         * config/t-slibgcc-darwin: Don't put shared libraries in
9107         directories other than $(slibdir).
9108         * config/rs6000/darwin.h: Find -m64 libgcc under the name the
9109         OS uses for it.
9110
9111 2005-04-11  Diego Novillo  <dnovillo@redhat.com>
9112
9113         PR tree-optimization/20933
9114         * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Move
9115         logic to reject aliases between read-only and writable
9116         variables ...
9117         (may_alias_p): ... here.
9118         (get_tmt_for): Do not associate read-only tags to pointers
9119         whose pointed-to type is not read-only.
9120         * tree-ssa.c (verify_ssa): Check that memory stores have at
9121         least one V_MAY_DEF or V_MUST_DEF.
9122
9123 2005-04-11  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
9124
9125         PR/17092
9126         * configure.ac (gcc_UNLOCKED_FUNCS): New.
9127         (AC_CHECK_FUNCS, AC_CHECK_DECLS): Check for gcc_UNLOCKED_FUNCS.
9128         * system.h (putchar, getc, getchar, clearerr, feof, fileno,
9129         fflush, fgetc, fgets, ferror, fread): Redefine to the associated
9130         _unlocked function.
9131         (fwrite_unlocked): Fix prototype.
9132
9133         * configure, config.in: Regenerate.
9134
9135 2005-04-11  David Edelsohn  <edelsohn@gnu.org>
9136
9137         * tree-ssa-loop-im.c: Include real.h.
9138         (determine_invariantness_stmt): If real division divisor is
9139         invariant and flag_unsafe_math_optimizations enabled, generate
9140         invariant reciprocal for hoisting.
9141         * Makefile.in (tree-ssa-loop-im.o): Add real.h dependency.
9142
9143 2005-04-11  Daniel Berlin  <dberlin@dberlin.org>
9144
9145         Fix PR tree-optimization/20926
9146
9147         * tree-ssa-alias.c (add_type_alias): Handle subvars.
9148
9149 2005-04-11  Devang Patel  <dpatel@apple.com>
9150
9151         * config/rs6000.c (rs6000_emit_vector_select): Fix vector select
9152         operand ordering.
9153
9154 2005-04-11  Andrew Pinski  <pinskia@physics.uc.edu>
9155
9156         * fold-const.c (fold_binary_op_with_conditional_arg):
9157         use fold_buildN instead of "fold (buildN" in some
9158         non obvious places.
9159         (fold_unary): Likewise.
9160         (fold_binary): Likewise.
9161
9162 2005-04-11  Daniel Berlin  <dberlin@dberlin.org>
9163
9164         Fix PR tree-optimization/20612
9165         * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Fix increment
9166         handling
9167         (perfect_nestify): preheaderbb is *not* part of loop of the
9168         old destination.
9169
9170 2005-04-11  Andrew Pinski  <pinskia@physics.uc.edu>
9171
9172         * tree-ssa-alias.c (may_alias_p): If the variable
9173         is a global variable and the pointer is parameter
9174         and -fargument-noalias-global is used, then
9175         the pointer cannot alias the variable.
9176
9177 2005-04-11  James A. Morrison  <phython@gcc.gnu.org>
9178
9179         * config/sparc/sparc.c: Use gcc_assert and gcc_unreachable.
9180         * config/sparc/sparc.h: Likewise.
9181         * config/sparc/sparc.md: Likewise.
9182
9183 2005-04-11  Kazu Hirata  <kazu@cs.umass.edu>
9184
9185         * tree-vrp.c (maybe_add_assert_expr): Move a comment.
9186
9187         * tree-vrp.c: Fix a comment typo.
9188
9189 2005-04-11  Diego Novillo  <dnovillo@redhat.com>
9190
9191         PR tree-optimization/20920
9192         * tree-pretty-print.c (dump_generic_node): Show '(ab)' if an
9193         SSA_NAME flows through an abnormal edge.
9194         * tree-vrp.c (infer_value_range): Ignore SSA names that flow
9195         through abnormal edges.
9196         (maybe_add_assert_expr): Likewise.
9197
9198 2005-04-11  Richard Sandiford  <rsandifo@redhat.com>
9199
9200         * config/s390/s390.h (s390_tune_string, s390_arch_string)
9201         (s390_warn_framesize_string, s390_warn_dynamicstack_string)
9202         (s390_stack_size_string, s390_stack_guard_string, target_flags)
9203         (MASK_HARD_FLOAT, MASK_SMALL_EXEC, MASK_DEBUG_ARG, MASK_64BIT)
9204         (MASK_ZARCH, MASK_MVCLE, MASK_TPF_PROFILING, MASK_NO_FUSED_MADD)
9205         (MASK_BACKCHAIN, MASK_PACKED_STACK, TARGET_HARD_FLOAT)
9206         (TARGET_SOFT_FLOAT, TARGET_SMALL_EXEC, TARGET_DEBUG_ARG)
9207         (TARGET_64BIT, TARGET_ZARCH, TARGET_MVCLE, TARGET_TPF_PROFILING)
9208         (TARGET_NO_FUSED_MADD, TARGET_FUSED_MADD, TARGET_BACKCHAIN)
9209         (TARGET_PACKED_STACK, TARGET_SWITCHES, TARGET_OPTIONS): Delete.
9210         * config/s390/s390.c (TARGET_DEFAULT_TARGET_FLAGS): Override default.
9211         (TARGET_HANDLE_OPTION): Likewise.
9212         (s390_tune): Initialize to PROCESSOR_max.
9213         (s390_arch_string): Make static.
9214         (s390_tune_string, s390_warn_framesize_string): Delete.
9215         (s390_warn_dynamicstack_string, s390_stack_size_string): Delete.
9216         (s390_stack_guard_string, s390_warn_dynamicstack_p): Delete.
9217         (s390_handle_arch_option, s390_handle_option): New functions.
9218         (override_options): Remove parsing of option strings.
9219         * config/s390/s390.opt: New file.
9220
9221 2005-04-11  Paolo Bonzini  <bonzini@gnu.org>
9222
9223         * tree-complex.c (expand_vector_operations): Call
9224         update_stmt_if_modified.
9225
9226 2005-04-11  Paolo Bonzini  <bonzini@gnu.org>
9227
9228         * tree-vect-analyze (vect_determine_vectorization_factor):
9229         Do not use GET_MODE_NUNITS.
9230         * tree-vect-transform.c (vect_get_vec_def_for_operand,
9231         (vectorizable_load, vect_transform_loop): Likewise.
9232
9233 2005-04-11  Uros Bizjak  <uros@kss-loka.si>
9234
9235         * builtins.def (BUILT_IN_LCEIL, BUILT_IN_LCEILF, BUILT_IN_LCEILL)
9236         (BUILT_IN_LLCEIL, BUILT_IN_LLCEILF, BUILT_IN_LLCEILL): New.
9237         * optabs.h (enum optab_index): Add new OTI_lceil.
9238         (lceil_optab): Define corresponding macro.
9239         * optabs.c (init_optabs): Initialize lceil_optab.
9240         * genopinit.c (optabs): Implement lceil_optab using lceilsi2
9241         and lceildi2 patterns.
9242         * builtins.c (expand_builtin_int_roundingfn): Handle
9243         BUILT_IN_LCEIL{,F,L} and BUILT_IN_LLCEIL{,F,L}.
9244         (fold_builtin_int_roundingfn): Handle BUILT_IN_LCEIL{,F,L} and
9245         BUILT_IN_LLCEIL{,F,L}.
9246         (fold_builtin_1): Fold BUILT_IN_LCEIL{,F,L} and
9247         BUILT_IN_LLCEIL{,F,L} using fold_builtin_int_roundingfn.
9248         (mathfn_built_in): Handle BUILT_IN LCEIL and BUILT_IN_LLCEIL.
9249         (expand_builtin): Expand BUILT_IN_LCEIL{,F,L} and
9250         BUILT_IN_LLCEIL{,F,L} using expand_builtin_int_roundingfn.
9251         * convert.c (convert_to_integer): Convert (long int)ceil{,f,l},
9252         into lceil built-in function and (long long int)ceil{,f,l} into
9253         llceil built-in function.
9254         * fold-const.c (tree_expr_nonnegative_p): Add BUILT_IN_LCEIL and
9255         BUILT_IN_LLCEIL.
9256
9257 2005-04-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
9258
9259         * pa/quadlib.c (_U_Qfneg): Toggle sign bit instead of subtracting from
9260         zero.
9261
9262 2005-04-10  Kazu Hirata  <kazu@cs.umass.edu>
9263
9264         * config/arm/arm.c: Fix a comment typo.
9265         * doc/tree-ssa.texi: Fix a typo.
9266
9267 2005-04-10  Steven Bosscher  <stevenb@suse.de>
9268
9269         * cselib.c (clear_table): Rename to cselib_clear_table.
9270         * cselib.h (cselib_clear_table): Add prototype.
9271         * gcse.c (gcse_main): Make 'f' argument unused.
9272         (alloc_gcse_mem): Do not walk the insn chain, walk the contents
9273         of each basic block instead.
9274         (compute_sets, compute_hash_table_work): Likewise.
9275         (constprop_register): Change int 'alter_jumps' argument to bool.
9276         (do_local_cprop): Likewise.
9277         (local_cprop_pass): Likewise.  Also walk basic blocks instead of
9278         the insn chain.  Explicitly clear the cselib tables after finishing
9279         one basic block.  Make sure there are no unterminated libcall blocks.
9280         Update compute_sets call.
9281         (cprop): Walk basic blocks instead of the insn chain.
9282         (one_cprop_pass, compute_ld_motion_mems, compute_store_table):
9283         Likewise.
9284         (bypass_jumps): Update alloc_gcse_mem, compute_sets, and
9285         one_cprop_pass calls.
9286
9287 2005-04-10  Richard Sandiford  <rsandifo@redhat.com>
9288
9289         * combine.c (combine_simplify_rtx): Remove a transformation that
9290         relies on an invalid assumption about rtl sign-extension semantics.
9291
9292 2005-04-10  Richard Sandiford  <rsandifo@redhat.com>
9293
9294         * value-prof.c (tree_divmod_fixed_value_transform): Fix arguments
9295         to build_int_cst_wide.
9296
9297 2005-04-09  Alexandre Oliva  <aoliva@redhat.com>
9298
9299         PR target/20126
9300         * loop.c (loop_givs_rescan): If replacement of DEST_ADDR failed,
9301         set the original address pseudo to the correct value before the
9302         original insn, if possible, and leave the insn alone, otherwise
9303         create a new pseudo, set it and replace it in the insn.
9304         * recog.c (validate_change_maybe_volatile): New.
9305         * recog.h (validate_change_maybe_volatile): Declare.
9306
9307 2005-04-09  Caroline Tice  <ctice@apple.com>
9308
9309         * bb-reorder.c (find_rarely_executed_basic_blocks_and_crossing_edges):
9310         Remove targetm.have_named_sections test.
9311         (fix_edges_for_rarely_executed_code): Likewise.
9312         (insert_section_boundary_note): Likewise.
9313         (reorder_basic_blocks): Check partitioning flag before calling
9314         verify_hot_cold_block_grouping.
9315         * dbxout.c (dbxout_function_end): Get hot/cold section labels from
9316         the function struct rather than global variables.
9317         * dwarf2out.c (COLD_TEXT_SECTION_LABEL): New macro.
9318         (COLD_END_LABEL): Likewise
9319         (cold_text_section_label): New static global variable.
9320         (cold_end_label): Likewise.
9321         (dwarf2out_switch_text_section): Get hot/cold section labels from
9322         the function struct rather than global variables.
9323         (output_aranges): Use cold_text_section_label and cold_end_label;
9324         check partitioning flag before putting out delta.
9325         (output_ranges): Remove incorrect code attempting to use
9326         hot/cold labels.
9327         (output_line_info): Get cold section label from function struct.
9328         (add_location_or_const_value_attribute): Likewise.
9329         (get_subprogram_die): Get hot/cold section labels from function struct.
9330         (dwarf2out_var_location): Likewise.
9331         (dwarf2out_init): Generate cold_text_section_label and cold_end_label;
9332         write out cold_text_section_label if partition flag is set.
9333         (dwarf2out_finish): Write out cold_end_label if partition flag is set;
9334         * function.h (struct function): Add new fields to point to hot/cold
9335         section labels: hot_section_label, cold_section_label,
9336         hot_section_end_label and cold_section_end_label; also add new field
9337         for cold text section name, unlikely_text_section_name.
9338         * opts.c (decode_options): Turn off partitioning flag if
9339         !targetm.have_named_sections.
9340         * output.h (hot_section_label): Remove.
9341         (hot_section_end_label): Remove.
9342         (cold_section_end_label): Remove.
9343         (unlikely_section_label): Remove.
9344         (unlikely_text_section_name): Remove.
9345         * passes.c (rest_of_handle_final):  Remove code that frees
9346         unlikely_text_section_name.
9347         * varasm.c (unlikely_section_label): Remove.
9348         (hot_section_label): Remove.
9349         (hot_section_end_label): Remove.
9350         (cold_section_end_label): Remove.
9351         (unlikely_text_section_name):  Remove.
9352         (initialize_cold_section_name): Modify to call
9353         targetm.strip_name_encoding; to store cold section name in current
9354         function struct, if it exists; and to only use the decl_section_name
9355         if flag_named_sections is true.
9356         (unlikely_text_section): Modify to get section name out of current
9357         function struct, if there is one; otherwise build it from
9358         UNLIKELY_EXECUTED_TEXT_SECTION_NAME.
9359         (in_unlikely_text_section): Likewise.
9360         (named_section): Modify to get/put cold section name in current function
9361         struct, if there is one.
9362         (function_section):  Change 'bool unlikely' to 'int reloc'; check
9363         targetm.have_named_sections before calling named_section.
9364         (current_function_section): Likewise.
9365         (assemble_start_function): Modify to get/put unlikely_text_section_name
9366         in current function struct; modify to get hot/cold section labels
9367         from function struct; initialize labels using
9368         ASM_GENERATE_INTERNAL_LABEL;
9369         test partitioning flag before writing out hot section label.
9370         (assemble_end_function): Test partitioning flag before writing out
9371         hot/cold section labels.
9372         (default_section_type_flags_1):  Modify to use array instead of
9373          char* for unlikely_text_section_name; set flags correctly for
9374          cold text section if there is not a current function decl.
9375
9376 2005-04-09  Jakub Jelinek  <jakub@redhat.com>
9377
9378         * tree.h (enum tree_index): Add TI_VA_LIST_GPR_COUNTER_FIELD
9379         and TI_VA_LIST_FPR_COUNTER_FIELD.
9380         (va_list_gpr_counter_field, va_list_fpr_counter_field): Define.
9381         * tree-pass.h (pass_stdarg): Add.
9382         * tree-optimize.c (init_tree_optimization_passes): Add pass_stdarg.
9383         * tree-stdarg.c: New file.
9384         * tree-stdarg.h: New file.
9385         * Makefile.in (OBJS-common): Add tree-stdarg.o.
9386         (tree-stdarg.o): Add dependencies.
9387         * function.h (struct function): Add va_list_gpr_size and
9388         va_list_fpr_size fields.
9389         * function.c (allocate_struct_function): Initialize them.
9390         * target.h (struct gcc_target): Add stdarg_optimize_hook.
9391         * target-def.h (TARGET_STDARG_OPTIMIZE_HOOK): Define.
9392         (TARGET_INITIALIZER): Add it.
9393
9394         * config/i386/i386.c (ix86_build_builtin_va_list): Initialize
9395         va_list_{g,f}pr_counter_field.
9396         (ix86_setup_incoming_varargs): Don't do anything if reg_save
9397         area will not be used.  Only save registers that tree-stdarg.c
9398         detected they need saving.
9399         (ix86_va_start): Don't set up fields that won't be used.
9400
9401         * config/rs6000/rs6000.c (rs6000_build_builtin_va_list): Initialize
9402         va_list_{g,f}pr_counter_field.
9403         (setup_incoming_varargs): Don't do anything if reg_save
9404         area will not be used.  Only save registers that tree-stdarg.c
9405         detected they need saving.
9406         (rs6000_va_start): Don't set up fields that won't be used.
9407
9408         * config/alpha/alpha.c: Include tree-flow.h and tree-stdarg.h.
9409         (alpha_build_builtin_va_list): Initialize va_list_gpr_counter_field.
9410         (va_list_skip_additions, alpha_stdarg_optimize_hook): New functions.
9411         (TARGET_STDARG_OPTIMIZE_HOOK): Define.
9412
9413 2005-04-09  Jakub Jelinek  <jakub@redhat.com>
9414
9415         PR target/20795
9416         * config/i386/i386.c (construct_container): Pass empty aligned
9417         struct, union or class in memory.
9418
9419 2005-04-09  Kazu Hirata  <kazu@cs.umass.edu>
9420
9421         * dominance.c, gthr-win32.h, reg-stack.c, tree-ssa-copy.c,
9422         tree-ssa-operands.c, tree-ssa.c, tree-vrp.c, varasm.c,
9423         config/alpha/alpha.c, config/arm/arm.c, config/m32r/m32r.h,
9424         config/rs6000/predicates.md: Fix comment typos.
9425
9426         * sched-int.h (haifa_insn_data): Remove blockage and units.
9427         (INSN_UNIT, INSN_BLOCKAGE, UNIT_BITS, BLOCKAGE_MASK,
9428         ENCODE_BLOCKAGE, UNIT_BLOCKED, BLOCKAGE_RANGE,
9429         MIN_BLOCKAGE_COST, MAX_BLOCKAGE_COST): Remove.
9430
9431 2005-04-09  Jan Hubicka  <jh@suse.cz>
9432             Steven Bosscher  <stevenb@suse.de>
9433
9434         * cfglayout.c (copy_bbs): Rename n_edges to num_edges.
9435         * cfgloop.c (get_loop_exit_edges): Likewise.
9436         * cfgloopmanip.c (fix_irreducible_loops): Likewise.
9437         (unloop): Likewise.
9438         * loop-unroll.c (analyze_insns_in_loop): Likewise.
9439         * tree-cfg.c (dump_cfg_status): Likewise.
9440
9441 2005-04-09  David Edelsohn  <edelsohn@gnu.org>
9442
9443         * config/rs6000/predicates.md (altivec_register_operand): Remove
9444         redundant match_code test.
9445         (gpc_reg_operand): Same.
9446         (cc_reg_operand): Same.
9447         (cc_reg_not_cr0_operand): Same.
9448
9449 2005-04-09  Jan Hubicka  <jh@suse.cz>
9450
9451         Forgotten hunk from my last merge patch:
9452         * final.c (output_addr_const): Do not call mark_referenced.
9453
9454 2005-04-09  Andrew MacLeod  <amacleod@redhat.com>
9455
9456         * doc/tree-ssa.texi: Add immediate use documentation.
9457
9458 2005-04-09  Richard Earnshaw <richard.earnshaw@arm.com>
9459
9460         * arm.c (FL_WBUF): Define.
9461         (arm_tune_strongarm): Renamed from arm_is_strong.  All uses changed.
9462         (arm_is_6_or_7): Delete.
9463         (arm_tune_wbuf): New.
9464         (arm_override_options): Set arm_tune_wbuf.
9465         * arm.h (arm_tune_strongarm): Renamed from arm_is_strong.
9466         (arm_is_6_or_7): Delete declaration.
9467         (arm_tune_wbuf): New declartion.
9468         * arm.md (is_strongarm): Derive from arm_tune_strongarm.
9469         (model_wbuf): Derive from arm_tune_wbuf.
9470         * arm-cores.def (arm600, arm610, arm620, arm700, arm700i, arm710)
9471         (arm720, arm710c, arm7100, arm7500, arm7500fe, arm710t, arm720t)
9472         (arm740t): Mark CPUs as having a write buffer.
9473
9474 2005-04-09  Uros Bizjak  <uros@kss-loka.si>
9475
9476         * config/i386/i386.md (*fp_jcc_7_387): Use 'const0_operand' instead
9477         of 'const_double_operand' in operand 2 constraints.  Update enable
9478         condition.
9479
9480 2005-04-09  Uros Bizjak  <uros@kss-loka.si>
9481
9482         * builtins.def (BUILT_IN_LFLOOR, BUILT_IN_LFLOORF, BUILT_IN_LFLOORL)
9483         (BUILT_IN_LLFLOOR, BUILT_IN_LLFLOORF, BUILT_IN_LLFLOORL): New.
9484         * optabs.h (enum optab_index): Add new OTI_lfloor.
9485         (lfloor_optab): Define corresponding macro.
9486         * optabs.c (init_optabs): Initialize lfloor_optab.
9487         * genopinit.c (optabs): Implement lfloor_optab using lfloorsi2
9488         and lfloordi2 patterns.
9489         * builtins.c (expand_builtin_int_roundingfn): New prototype.
9490         (expand_builtin_int_roundingfn): New function.
9491         (fold_builtin_int_roundingfn): New prototype.
9492         (fold_builtin_int_roundingfn): New function, renamed from
9493         fold_builtin_lround.
9494         Handle BUILT_IN_LROUND{,F,L}, BUILT_IN_LLROUND{,F,L} and
9495         BUILT_IN_LFLOOR{,F,L}, BUILT_IN_LLFLOOR{,F,L}.
9496         (fold_builtin_1): Fold BUILT_IN_LFLOOR{,F,L} and
9497         BUILT_IN_LLFLOOR{,F,L} using fold_builtin_int_roundingfn.
9498         (mathfn_built_in): Handle BUILT_IN LFLOOR and BUILT_IN_LLFLOOR.
9499         (expand_builtin): Expand BUILT_IN_LFLOOR{,F,L} and
9500         BUILT_IN_LLFLOOR{,F,L} using expand_builtin_int_roundingfn.
9501         * convert.c (convert_to_integer): Convert (long int)floor{,f,l},
9502         into lfloor built-in function and (long long int)floor{,f,l} into
9503         llfloor built-in function.
9504         * fold-const.c (tree_expr_nonnegative_p): Add BUILT_IN_LFLOOR and
9505         BUILT_IN_LLFLOOR.
9506
9507 2005-04-08  Ian Lance Taylor  <ian@airs.com>
9508
9509         * c-common.def: Move FOR_STMT, WHILE_STMT, DO_STMT, BREAK_STMT,
9510         CONTINUE_STMT, and SWITCH_STMT to cp/cp-tree.def.
9511         * c-common.h (WHILE_COND, WHILE_BODY): Move to cp/cp-tree.h.
9512         (DO_COND, DO_BODY): Likewise.
9513         (FOR_INIT_STMT, FOR_COND, FOR_EXPR, FOR_BODY): Likewise.
9514         (SWITCH_STMT_COND, SWITCH_STMT_BODY, SWITCH_STMT_TYPE): Likewise.
9515         (c_common_stmt_codes): Remove FOR_STMT, WHILE_STMT, DO_STMT,
9516         BREAK_STMT, CONTINUE_STMT, and SWITCH_STMT.
9517         (build_continue_stmt, build_break_stmt): Don't declare.
9518         (c_do_switch_warnings): Update declaration.
9519         * c-gimplify.c (enum bc_t): Remove.
9520         (struct c_gimplify_ctx, ctxp): Remove.
9521         (push_context, pop_context): Remove static functions.
9522         (c_genericize): Don't call push_context or pop_context.
9523         (begin_bc_block, finish_bc_block): Remove static functions.
9524         (build_bc_goto): Likewise.
9525         (gimplify_c_loop): Likewise.
9526         (gimplify_for_stmt, gimplify_while_stmt): Likewise.
9527         (gimplify_do_stmt, gimplify_switch_stmt): Likewise.
9528         (c_gimplify_expr): Remove handling of FOR_STMT, WHILE_STMT,
9529         DO_STMT, SWITCH_STMT, CONTINUE_STMT, BREAK_STMT.
9530         * c-common.c (c_do_switch_warnings): Rename from
9531         c_do_switch_warnings_1.
9532         (c_do_switch_warnings) [old version]: Remove.
9533         (c_do_switch_expr_warnings): Remove.
9534         * c-typeck.c (c_finish_case): Call new c_do_switch_warnings
9535         function instead of c_do_switch_expr_warnings.
9536         * c-dump.c (c_dump_tree): Remove handling of BREAK_STMT,
9537         CONTINUE_STMT, DO_STMT, FOR_STMT, SWITCH_STMT, and WHILE_STMT.
9538         * c-pretty-print.c (pp_c_statement): Likewise.
9539         * c-semantics.c (build_break_stmt, build_continue_stmt): Remove.
9540
9541 2005-04-08  Devang Patel  <dpatel@apple.com>
9542
9543         * tree-if-conv.c (find_phi_replacement_condition): New parameter, loop.
9544         While selecting replacement condition pay attention to loop header.
9545
9546 2005-04-08  Diego Novillo  <dnovillo@redhat.com>
9547
9548         Merge from tree-cleanup-branch: VRP, store CCP, store
9549             copy-prop, incremental SSA updating of FUD chains and
9550             newly exposed symbols.
9551
9552         * Makefile.in (tree-ssa-copy.o): Depend on tree-ssa-propagate.h.
9553         (OBJS-common): Add tree-vrp.o.
9554         (tree-vrp.o): New rule.
9555         * basic-block.h (nearest_common_dominator_for_set): Declare.
9556         * common.opt (ftree-store-ccp): New flag.
9557         (ftree-copy-prop): New flag.
9558         (ftree-vrp): New flag.
9559         (ftree-store-copy-prop): New flag.
9560         * dominance.c (nearest_common_dominator_for_set): New.
9561         * domwalk.c (walk_dominator_tree): Only traverse
9562         statements in blocks marked in walk_data->interesting_blocks.
9563         * domwalk.h (struct dom_walk_data): Add field interesting_blocks.
9564         * fold-const.c (fold): Handle ASSERT_EXPR.
9565         * opts.c (decode_options): Set flag_tree_copy_prop at -O1.
9566         Set flag_tree_store_ccp, flag_tree_store_copy_prop and
9567         flag_tree_vrp at -O2.
9568         * timevar.def (TV_TREE_VRP): Define.
9569         (TV_TREE_COPY_PROP): Define.
9570         (TV_TREE_STORE_COPY_PROP): Define.
9571         (TV_TREE_SSA_INCREMENTAL): Define.
9572         (TV_TREE_STORE_CCP): Define.
9573         * tree-cfg.c (tree_can_merge_blocks_p): Remove reference
9574         to kill_redundant_phi_nodes from comment.
9575         (verify_expr): Handle ASSERT_EXPR.
9576         * tree-dfa.c (mark_new_vars_to_rename): Remove second
9577         argument.  Update all users.
9578         (mark_call_clobbered_vars_to_rename): Remove.  Update all
9579         users.
9580         * tree-flow-inline.h (unmodifiable_var_p): New.
9581         * tree-flow.h (enum value_range_type): Declare.
9582         (struct value_range_def): Declare.
9583         (value_range): Declare.
9584         (remove_all_phi_nodes_for): Remove.  Update all users.
9585         (find_phi_node_for): Declare.
9586         (add_type_alias): Declare.
9587         (count_uses_and_derefs): Declare.
9588         (kill_redundant_phi_nodes): Remove.
9589         (rewrite_into_ssa): Remove.
9590         (rewrite_def_def_chains): Remove.
9591         (update_ssa, register_new_name_mapping, create_new_def_for,
9592         need_ssa_update_p, name_registered_for_update_p,
9593         release_ssa_name_after_update_ssa, dump_repl_tbl,
9594         debug_repl_tbl, dump_names_replaced_by,
9595         debug_names_replaced_by, mark_sym_for_renaming,
9596         mark_set_for_renaming, get_current_def, set_current_def,
9597         get_value_range, dump_value_range, debug_value_range,
9598         dump_all_value_ranges, debug_all_value_ranges,
9599         expr_computes_nonzero, loop_depth_of_name,
9600         unmodifiable_var_p): Declare.
9601         * tree-gimple.c (is_gimple_formal_tmp_rhs): Handle
9602         ASSERT_EXPR.
9603         * tree-into-ssa.c (block_defs_stack): Update comment.
9604         (old_ssa_names, new_ssa_names, old_virtual_ssa_names,
9605         syms_to_rename, names_to_release, repl_tbl,
9606         need_to_initialize_update_ssa_p, need_to_update_vops_p,
9607         need_to_replace_names_p): New locals.
9608         (NAME_SETS_GROWTH_FACTOR): Define.
9609         (struct repl_map_d): Declare.
9610         (struct mark_def_sites_global_data): Add field
9611         interesting_blocks.
9612         (enum rewrite_mode): Declare.
9613         (REGISTER_DEFS_IN_THIS_STMT): Define.
9614         (compute_global_livein): Use last_basic_block instead of
9615         n_basic_blocks.
9616         (set_def_block): Remove last argument.  Update all callers.
9617         (prepare_use_operand_for_rename): Remove.  Update all callers.
9618         (prepare_def_operand_for_rename): Remove.  Update all callers.
9619         (symbol_marked_for_renaming): New.
9620         (is_old_name): New.
9621         (is_new_name): New.
9622         (repl_map_hash): New.
9623         (repl_map_eq): New.
9624         (repl_map_free): New.
9625         (names_replaced_by): New.
9626         (add_to_repl_tbl): New.
9627         (add_new_name_mapping): New.
9628         (mark_def_sites): Assume that all the operands in the
9629         statement are in normal form.
9630         (find_idf): Assert that the block in the stack is valid.
9631         (get_default_def_for): New.
9632         (insert_phi_nodes_for): Add new argument 'update_p'.
9633         Add documentation.
9634         If update_p is true, add a new mapping between the LHS of
9635         each new PHI and the name that it replaces.
9636         (insert_phi_nodes_1): Only call find_idf if needed.
9637         (get_reaching_def): Call get_default_def_for.
9638         (rewrite_operand): Remove.
9639         (rewrite_stmt): Do nothing if REGISTER_DEFS_IN_THIS_STMT
9640         and REWRITE_THIS_STMT are false.
9641         Assume that all the operands in the statement are in
9642         normal form.
9643         (rewrite_add_phi_arguments): Don't use PHI_REWRITTEN.
9644         (rewrite_virtual_phi_arguments): Remove.
9645         (invalidate_name_tags): Remove.
9646         (register_new_update_single, register_new_update_set,
9647         rewrite_update_init_block, replace_use,
9648         rewrite_update_fini_block, rewrite_update_stmt,
9649         rewrite_update_phi_arguments): New.
9650         rewrite_blocks): Remove argument 'fix_virtual_phis'.
9651         Add arguments 'entry', 'what' and 'blocks'.
9652         Initialize the dominator walker according to 'what' and
9653         'blocks'.
9654         Start the dominator walk at 'entry'.
9655         (mark_def_site_blocks): Add argument 'interesting_blocks'.
9656         Use it to configure the dominator walker.
9657         (rewrite_into_ssa): Remove argument 'all'.
9658         Make internal.
9659         (rewrite_all_into_ssa): Remove.
9660         (rewrite_def_def_chains): Remove.
9661         (mark_def_interesting, mark_use_interesting,
9662         prepare_phi_args_for_update, prepare_block_for_update,
9663         prepare_def_site_for, prepare_def_sites,
9664         dump_names_replaced_by, debug_names_replaced_by,
9665         dump_repl_tbl, debug_repl_tbl, init_update_ssa,
9666         delete_update_ssa, create_new_def_for,
9667         register_new_name_mapping, mark_sym_for_renaming,
9668         mark_set_for_renaming, need_ssa_update_p,
9669         name_registered_for_update_p, ssa_names_to_replace,
9670         release_ssa_name_after_update_ssa,
9671         insert_updated_phi_nodes_for, update_ssa): New.
9672         * tree-loop-linear.c (linear_transform_loops): Call
9673         update_ssa instead of rewrite_into_ssa.
9674         * tree-optimize.c (vars_to_rename): Remove.
9675         Update all users.
9676         (init_tree_optimization_passes): Replace
9677         pass_redundant_phi with pass_copy_prop.
9678         Add pass_vrp.
9679         Replace pass_ccp with pass_store_ccp.
9680         Add pass_store_copy_prop after pass_store_ccp.
9681         (execute_todo): If the TODO_ flags don't include updating
9682         the SSA form, assert that it does not need to be updated.
9683         Call update_ssa instead of rewrite_into_ssa and
9684         rewrite_def_def_chains.
9685         If TODO_verify_loops is set, call verify_loop_closed_ssa.
9686         (tree_rest_of_compilation):
9687         * tree-pass.h (TODO_dump_func, TODO_ggc_collect,
9688         TODO_verify_ssa, TODO_verify_flow, TODO_verify_stmts,
9689         TODO_cleanup_cfg): Renumber.
9690         (TODO_verify_loops, TODO_update_ssa,
9691         TODO_update_ssa_no_phi, TODO_update_ssa_full_phi,
9692         TODO_update_ssa_only_virtuals): Define.
9693         (pass_copy_prop, pass_store_ccp, pass_store_copy_prop, pass_vrp):
9694         Declare.
9695         * tree-phinodes.c (make_phi_node): Update documentation.
9696         (remove_all_phi_nodes_for): Remove.
9697         (find_phi_node_for): New.
9698         * tree-pretty-print.c (dump_generic_node): Handle ASSERT_EXPR.
9699         * tree-scalar-evolution.c (follow_ssa_edge_in_rhs): Likewise.
9700         (interpret_rhs_modify_expr): Likewise.
9701         * tree-sra.c (decide_instantiations): Mark all symbols in
9702         SRA_CANDIDATES for renaming.
9703         (mark_all_v_defs_1): Rename from mark_all_v_defs.
9704         (mark_all_v_defs): New function.  Update all users to call it
9705         with the whole list of scalarized statements, not just the
9706         first one.
9707         * tree-ssa-alias.c (count_ptr_derefs): Make extern.
9708         (compute_flow_insensitive_aliasing): If the tag is
9709         unmodifiable and the variable isn't or vice-versa, don't
9710         make them alias of each other.
9711         (setup_pointers_and_addressables): If the type tag for
9712         VAR is about to change, mark the old one for renaming.
9713         (add_type_alias): New.
9714         * tree-ssa-ccp.c: Document SSA-CCP and STORE-CCP.
9715         (ccp_lattice_t): Rename from latticevalue.
9716         (value): Remove.  Update all users.
9717         (const_val): New local variable.
9718         (do_store_ccp): New local variable.
9719         (dump_lattice_value): Handle UNINITIALIZED.
9720         (debug_lattice_value): New.
9721         (get_default_value): Re-write.
9722         (set_lattice_value): Re-write.
9723         (def_to_varying): Remove.  Update all users.
9724         (likely_value): Return VARYING for statements that make
9725         stores when STORE_CCP is false.
9726         Return VARYING for any statement other than MODIFY_EXPR,
9727         COND_EXPR and SWITCH_EXPR.
9728         (ccp_initialize): Re-write.
9729         (replace_uses_in, replace_vuse_in, substitute_and_fold):
9730         Move to tree-ssa-propagate.c.
9731         (ccp_lattice_meet): Handle memory stores when
9732         DO_STORE_CCP is true.
9733         (ccp_visit_phi_node): Likewise.
9734         (ccp_fold): Likewise.
9735         (evaluate_stmt): Likewise.
9736         (visit_assignment): Likewise.
9737         (ccp_visit_stmt): Likewise.
9738         (execute_ssa_ccp): Add argument 'store_ccp'.  Copy it
9739         into DO_STORE_CCP.
9740         (do_ssa_ccp): New.
9741         (pass_ccp): Use it.
9742         (do_ssa_store_ccp): New.
9743         (gate_store_ccp): New.
9744         (pass_store_ccp): Declare.
9745         * tree-ssa-copy.c: Include tree-ssa-propagate.h.
9746         (may_propagate_copy): Reformat.
9747         Don't abort if ORIG is a virtual and DEST isn't.
9748         If NEW does not have alias information but DEST does,
9749         copy it.
9750         (copy_of, cached_last_copy_of, do_store_copy_prop, enum
9751         copy_prop_kind, which_copy_prop): Declare.
9752         (stmt_may_generate_copy, get_copy_of_val,
9753         get_last_copy_of, set_copy_of_val, dump_copy_of,
9754         copy_prop_visit_assignment, copy_prop_visit_cond_stmt,
9755         copy_prop_visit_stmt, copy_prop_visit_phi_node,
9756         init_copy_prop, fini_copy_prop, execute_copy_prop,
9757         gate_copy_prop, do_copy_prop, gate_store_copy_prop,
9758         store_copy_prop): New.
9759         (pass_copy_prop, pass_store_copy_prop): Declare.
9760         * tree-ssa-dom.c (struct opt_stats_d): Add fields
9761         'num_const_prop' and 'num_copy_prop'.
9762         (cprop_operand): Update them.
9763         (dump_dominator_optimization_stats): Dump them.
9764         (tree_ssa_dominator_optimize): Call update_ssa instead of
9765         rewrite_into_ssa.
9766         (loop_depth_of_name): Declare extern.
9767         (simplify_cond_and_lookup_avail_expr): Guard against NULL
9768         values for LOW or HIGH.
9769         (cprop_into_successor_phis): Only propagate if NEW != ORIG.
9770         (record_equivalences_from_stmt): Call expr_computes_nonzero.
9771         (cprop_operand): Only propagate if VAL != OP.
9772         * tree-ssa-dse.c (dse_optimize_stmt): Mark symbols in removed
9773         statement for renaming.
9774         * tree-ssa-loop-im.c (move_computations): Call update_ssa.
9775         * tree-ssa-loop-ivopts.c (rewrite_address_base): Call
9776         add_type_alias if necessary.
9777         Call mark_new_vars_to_rename.
9778         (tree_ssa_iv_optimize): If new symbols need to be renamed,
9779         mark every statement updated, call update_ssa and
9780         rewrite_into_loop_closed_ssa.
9781         * tree-ssa-loop-manip.c (add_exit_phis): Do not remove DEF_BB
9782         from LIVEIN if VAR is a virtual.
9783         * tree-ssa-loop.c (tree_loop_optimizer_init): Call update_ssa.
9784         * tree-ssa-operands.c (get_expr_operands): Handle ASSERT_EXPR.
9785         (get_call_expr_operands): Reformat statement.
9786         (add_stmt_operand): Don't create V_MAY_DEFs for read-only
9787         symbols.
9788         * tree-ssa-propagate.c (ssa_prop_init): Initialize
9789         SSA_NAME_VALUE for every name.
9790         (first_vdef, stmt_makes_single_load, stmt_makes_single_store,
9791         get_value_loaded_by): New.
9792         (replace_uses_in, replace_vuses_in, replace_phi_args_in,
9793         substitute_and_fold): Move from tree-ssa-ccp.c.
9794         * tree-ssa-propagate.h (struct prop_value_d, prop_value_t,
9795         first_vdef, stmt_makes_single_load, stmt_makes_single_store,
9796         get_value_loaded_by, replace_uses_in, substitute_and_fold):
9797         Declare.
9798         * tree-ssa.c (verify_use): Fix error message.
9799         (propagate_into_addr, replace_immediate_uses, get_eq_name,
9800         check_phi_redundancy, kill_redundant_phi_nodes,
9801         pass_redundant_phi): Remove.  Update all users.
9802         * tree-vect-transform.c (vect_create_data_ref_ptr): Call
9803         add_type_alias, if necessary.
9804         * tree-vectorizer.h (struct _stmt_vect_info): Update
9805         documentation for field 'memtag'.
9806         * tree-vrp.c: New file.
9807         * tree.def (ASSERT_EXPR): Define.
9808         * tree.h (ASSERT_EXPR_VAR): Define.
9809         (ASSERT_EXPR_COND): Define.
9810         (SSA_NAME_VALUE_RANGE): Define.
9811         (struct tree_ssa_name): Add field 'value_range'.
9812         (PHI_REWRITTEN): Remove.
9813         (struct tree_phi_node): Remove field 'rewritten'.
9814         * doc/invoke.texi (-fdump-tree-storeccp, -ftree-copy-prop,
9815         -ftree-store-copy-prop): Document.
9816         * doc/tree-ssa.texi: Remove broken link to McCAT's compiler.
9817         Document usage of update_ssa.
9818
9819 2005-04-08  David Edelsohn  <edelsohn@gnu.org>
9820
9821         PR target/20814
9822         * config/rs6000/predicates.md (altivec_register_operand): Accept
9823         SUBREG.
9824         (and64_operand): Do not limit CONST_INT to mask64_operand.
9825         (and64_2_operand): Do not limit CONST_INT to mask64_1or2_operand.
9826         (and_operand): Do not limit CONST_INT to mask_operand.
9827
9828 2005-04-09  Hans-Peter Nilsson  <hp@axis.com>
9829
9830         PR rtl-optimization/20466
9831         * flow.c (invalidate_mems_from_set): Handle a MEM by checking it
9832         for overlap of the address of each list member.
9833         (mark_set_1): Call invalidate_mems_from_set for MEMs too.
9834
9835 2005-04-08  Mike Stump  <mrs@apple.com>
9836
9837         * config/darwin.c (indirect_data): Fix typo in strncmp logic.
9838
9839         * config/rs6000/rs6000.c (rs6000_emit_prologue): Use 5 nops,
9840         instead of 4.
9841
9842 2005-04-08  Kazu Hirata  <kazu@cs.umass.edu>
9843
9844         * c-tree.h (C_LANG_TREE_NODE_CHAIN_NEXT): Remove.
9845
9846         * function.c (push_function_context_to): Don't set
9847         contains_functions.
9848         * function.h (function): Remove contains_functions.
9849         (current_function_contains_functions): Remove.
9850
9851         * function.h (function): Remove instrument_entry_exit.
9852         (current_function_instrument_entry_exit): Remove.
9853
9854         * function.h (nonlocal_labels): Remove.
9855
9856         * tree.h (STRIP_MAIN_TYPE_NOPS): Remove.
9857
9858         * genattrtab.c (attr_desc): Remove negative_ok and unsigned_p.
9859         (check_attr_value, write_attr_get, write_expr_attr_cache,
9860         find_attr, make_internal_attr): Don't reference negative_ok or
9861         unsigned_p.
9862         * genattrtab.h (ATTR_NEGATIVE_OK, ATTR_UNSIGNED,
9863         ATTR_FUNC_UNITS, ATTR_BLOCKAGE): Remove.
9864         (ATTR_STATIC): Adjust the value.
9865
9866         * c-common.h (C_ARTIFICIAL_STRING_P): Remove.
9867
9868 2005-04-08  Ulrich Weigand  <uweigand@de.ibm.com>
9869
9870         * config/s390/tpf.h (ASM_SPEC): Define.
9871
9872 2005-04-08  Kazu Hirata  <kazu@cs.umass.edu>
9873
9874         * tree-flow.h: Remove the prototype for
9875         redirect_immediate_uses.
9876         (TDFA_USE_OPS, TDFA_USE_VOPS): Remove.
9877
9878 2005-04-08  Richard Earnshaw  <richard.earnshaw@arm.com>
9879
9880         * arm.c (arm_const_double_by_parts): New function.
9881         * arm-protos.h (arm_const_double_by_parts): Add prototype.
9882         * arm.md (define_split for 64-bit constants): Add another one.
9883
9884 2005-04-08  Andrew MacLeod  <amacleod@redhat.com>
9885
9886         * tree-ssa-operands.c (correct_use_link): Remove linear scan.
9887
9888 2005-04-08  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
9889
9890         * system.h: Revert last change.
9891
9892 2005-04-08  Richard Sandiford  <rsandifo@redhat.com>
9893
9894         * config/xtensa/xtensa.h (target_flags, MASK_NO_FUSED_MADD)
9895         (MASK_CONST16, TARGET_NO_FUSED_MADD, TARGET_CONST16)
9896         (TARGET_SWITCHES): Delete.
9897         * config/xtensa/xtensa.c (TARGET_DEFAULT_TARGET_FLAGS): Define.
9898         * config/xtensa/xtensa.md (muladdsf3, mulsubsf3): Check
9899         TARGET_FUSED_MADD instead of !TARGET_NO_FUSED_MADD.
9900         * config/xtensa/xtensa.opt: New file.
9901
9902 2005-04-08  Ben Elliston  <bje@au.ibm.com>
9903
9904         * config/fp-bit.c: Include L_mul_tf in #endif comment.
9905         * config/fp-bit.h: Tidy comments.
9906
9907 2005-04-07  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
9908
9909         * system.h: Poison PARAMS.
9910
9911 2005-04-07  Richard Sandiford  <rsandifo@redhat.com>
9912
9913         * config/vax/vax.h (target_flags, MASK_UNIX_ASM, MASK_VAXC_ALIGNMENT)
9914         (MASK_G_FLOAT, TARGET_UNIX_ASM, TARGET_VAXC_ALIGNMENT, TARGET_G_FLOAT)
9915         (TARGET_SWITCHES): Delete.
9916         * config/vax/vax.c (TARGET_DEFAULT_TARGET_FLAGS): Override default.
9917         * config/vax/vax.opt: New file.
9918
9919 2005-04-07  Daniel Berlin  <dberlin@dberlin.org>
9920
9921         * tree-ssa-dse.c (dse_optimize_stmt): Fix incorrect comment.
9922
9923 2005-04-07  Ian Lance Taylor  <ian@airs.com>
9924
9925         * config/iq2000/iq2000.h (DONT_ACCESS_GBLS_AFTER_EPILOGUE): Don't
9926         define.
9927         * config/mips/mips.h (DONT_ACCESS_GBLS_AFTER_EPILOGUE): Likewise.
9928         * config/sparc/sparc.h (DONT_ACCESS_GBLS_AFTER_EPILOGUE):
9929         Likewise.
9930
9931 2005-04-07  Kazu Hirata  <kazu@cs.umass.edu>
9932
9933         * tree-ssa-sink.c (nearest_common_dominator_of_uses): Consider
9934         all immediate uses in PHI nodes.
9935
9936 2005-04-07  Richard Earnshaw  <richard.earnshaw@arm.com>
9937
9938         * arm.c (arm_const_double_inline_cost): Handle any constant by
9939         using gen_lowpart and gen_highpart_mode.
9940         (note_invalid_constants): All constants in an RTX with a constraint
9941         that permits memory are now pushed to the constant pool.
9942         (output_move_double): Delete code to handle reg to reg and
9943         constant to reg moves.
9944         (const_double_needs_minipool, output_mov_immediate): Delete.
9945         * arm.h (EXTRA_CONSTRAINT_STR_ARM): All 'D' variants now handle
9946         CONST_INT and CONST_VECTOR.
9947         * arm.md (ANY64): New mode macro.
9948         (arm_movdi): Split reg-reg and const-reg moves.  Simplify constraints.
9949         (movdf_soft_insn): Split reg-reg and const-reg moves.
9950         (split patterns for 64-bit constant and register moves): New.
9951         * cirrus.md (cirrus_arm_movdi): Split reg-reg and const-reg moves.
9952         (cirrus_movdf_hard_insn): Likewise.
9953         * fpa.md (movdf_fpa): Likewise.
9954         * iwmmxt.md (iwmmxt_arm_movdi): Likewise.
9955         (movv8qi_internal, movv4hi_internal, movv2si_internal): Fix
9956         constraints.
9957         (movv2si_internal_2): Likewise.
9958         * vfp.md (arm_movdi_vfp): Split reg-reg and const-reg moves.
9959         (movdf_vfp): Likewise.
9960         * arm-protos.h (output_mov_immediate): Delete prototype.
9961
9962 2005-04-07  Joseph S. Myers  <joseph@codesourcery.com>
9963
9964         PR target/20093
9965         * simplify-rtx.c (simplify_unary_operation_1): Check
9966         SUBREG_PROMOTED_UNSIGNED_P (op) > 0 for zero-extension.
9967
9968 2005-04-06  James E Wilson  <wilson@specifixinc.com>
9969
9970         PR target/20717
9971         * cgraphunit.c (record_call_1, case FDESC_EXPR): Handle same as
9972         ADDR_EXPR.
9973
9974 2004-04-06  Richard Sandiford  <rsandifo@redhat.com>
9975
9976         * coverage.h (GCOV_TYPE_NODE): Delete.
9977         * coverage.c (coverage_counter_alloc, tree_coverage_counter_ref)
9978         (build_ctr_info_type): Use get_gcov_type () instead of GCOV_TYPE_NODE.
9979         * tree-profile.c (tree_gen_edge_profiler, tree_gen_interval_profiler)
9980         (tree_gen_pow2_profiler, tree_gen_one_value_profiler): Likewise.
9981         * value-prof.c (tree_divmod_fixed_value_transform): Delete.
9982
9983 2004-04-06  Richard Sandiford  <rsandifo@redhat.com>
9984
9985         PR other/20792
9986         * Makefile.in (gcc.pot): Remove options.c dependency.
9987         * optc-gen.awk: Don't quote help strings with N_().
9988
9989 2005-04-06  James A. Morrison  <phython@gcc.gnu.org>
9990
9991         * c-common.c (handle_malloc_atttribute): Only set DECL_IS_MALLOC if
9992         the function returns a pointer type.
9993
9994 2005-04-06  Daniel Berlin  <dberlin@dberlin.org>
9995
9996         * params.def (PARAM_SALIAS_MAX_IMPLICIT_FIELDS): New
9997         * params.h (SALIAS_MAX_IMPLICIT_FIELDS): New
9998         * doc/invoke.texi: Documnet salias-max-implicit-fields.
9999         * tree-ssa-alias.c (struct used_part): Add implicit_uses and
10000         explicit_uses members.
10001         (get_or_create_used_part_for): Initialize new fields.
10002         (fieldoff_compare): New function.
10003         (create_overlap_variables_for): Count number of fields, use
10004         heuristic to determine whether to create subvars for vars with
10005         only implicit uses.
10006         Sort the field list by offset and avoid creating duplicate SFT's.
10007
10008 2005-04-06  Richard Sandiford  <rsandifo@redhat.com>
10009
10010         * c.opt (-F): Remove trailing whitespace from help string.
10011         (-finput-charset): Use a tab to separate the switch name and help
10012         string.
10013         * common.opt (-fsched-stalled-insns, -fsched-stalled-insns-dep)
10014         (-ftree-vectorizer-verbose): Likewise.
10015
10016 2005-04-06  Kazu Hirata  <kazu@cs.umass.edu>
10017
10018         * tree-ssa-sink.c (nearest_common_dominator_of_uses): Look at
10019         a PHI argument where a use occurs instead of all PHI arguments.
10020
10021 2005-04-06  Joseph S. Myers  <joseph@codesourcery.com>
10022
10023         * c-decl.c (finish_decl): Apply pending #pragma weak regardless of
10024         scope.
10025
10026 2005-04-06  Kazu Hirata  <kazu@cs.umass.edu>
10027
10028         * cse.c, tree-flow-inline.h, tree-flow.h, tree-ssa-operands.c,
10029         tree-ssa-sink.c, tree.h, config/bfin/bfin.c,
10030         config/bfin/bfin.h: Fix comment typos.
10031
10032 2005-04-06  Ranjit Mathew  <rmathew@hotmail.com>
10033
10034         * doc/install.texi: Update the URL for Jacks.
10035         * doc/sourcebuild.texi: Likewise.
10036
10037 2005-04-06  Eric Botcazou  <ebotcazou@libertysurf.fr>
10038
10039         PR target/17245
10040         * config/sparc/sparc.c (legitimate_address_p): Remove 'imm2'.
10041         Revert 2004-10-08 patch.  Reject TFmode LO_SUM in 32-bit mode.
10042
10043 2005-04-06  Kelley Cook  <kcook@gcc.gnu.org>
10044
10045         * Makefile.in (LIBGCC2_CFLAGS): Revert -pipe change.
10046
10047 2005-04-06  Richard Sandiford  <rsandifo@redhat.com>
10048
10049         * config/v850/v850-protos.h (override_options): Delete.
10050         * config/v850/v850.h (target_flags, MASK_GHS, MASK_LONG_CALLS, MASK_EP)
10051         (MASK_PROLOG_FUNCTION, MASK_DEBUG, MASK_V850, MASK_V850E)
10052         (MASK_SMALL_SLD, MASK_BIG_SWITCH, MASK_NO_APP_REGS, MASK_DISABLE_CALLT)
10053         (MASK_STRICT_ALIGN, MASK_US_BIT_SET, MASK_US_MASK_SET, TARGET_GHS)
10054         (TARGET_LONG_CALLS, TARGET_EP, TARGET_PROLOG_FUNCTION, TARGET_V850)
10055         (TARGET_BIG_SWITCH, TARGET_DEBUG, TARGET_V850E, TARGET_US_BIT_SET)
10056         (TARGET_SMALL_SLD, TARGET_DISABLE_CALLT, TARGET_NO_APP_REGS)
10057         (TARGET_STRICT_ALIGN, TARGET_SWITCHES, TARGET_OPTIONS)
10058         (OVERRIDE_OPTIONS): Delete.
10059         (MASK_CPU): Redefine as MASK_V850 | MASK_V850E.
10060         (small_memory_info): Remove the value field.
10061         (CONDITIONAL_REGISTER_USAGE): Check !TARGET_APP_REGS rather than
10062         TARGET_NO_APP_REGS.
10063         * config/v850/v850.c (small_memory): Remove the value field.
10064         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
10065         (override_options): Delete.
10066         (v850_handle_memory_option, v850_handle_option): New functions.
10067         * config/v850/v850.opt: New file.
10068
10069 2005-04-06  Geoffrey Keating  <geoffk@apple.com>
10070
10071         * config.host: Add a section for generic hosts, and a subsection
10072         for Darwin.  Add a case for x86-darwin.  Update ppc-darwin case.
10073         * config/host-darwin.c: New, split out of config/rs6000/host-darwin.c.
10074         * config/host-darwin.h: New.
10075         * config/x-darwin: New.
10076         * config/i386/host-i386-darwin.c: New.
10077         * config/i386/x-darwin: New.
10078         * config/rs6000/host-darwin.c: Include host-darwin.h.
10079         (darwin_rs6000_gt_pch_get_address): Move to config/host-darwin.c.
10080         (darwin_rs6000_gt_pch_use_address): Likewise.
10081         * config/rs6000/x-darwin: Change name of .o built, update
10082         dependencies for changes to rs6000/host-darwin.c.
10083
10084 2005-04-06  Ralf Corsepius  <ralf.corsepius@rtems.org>
10085
10086         PR target/17824
10087         * config/c4x/c4x.h (ASM_PROG, LD_PROG): Remove.
10088
10089 2005-04-06  Dorit Naishlos  <dorit@il.ibm.com>
10090
10091         * tree-vect-analyze.c (vect_analyze_loop_form): Call
10092         split_loop_exit_edge instead of loop_split_edge_with.
10093
10094 2005-04-06  Paolo Bonzini  <bonzini@gnu.org>
10095
10096         * config/rs6000/altivec.md (UNSPEC_VSLW, UNSPEC_SUBS,
10097         UNSPEC_SET_VSCR): New constants, used throughout.
10098         (*andc3_v4sf): New.
10099         (altivec_vspltisb, altivec_vsplitish, altivec_vsplitisw):
10100         Replace with...
10101         (altivec_vspltis<VI_char>): ... this pattern, using
10102         a QImode const_int_operand for the immediate.
10103         (abs<mode>2, absv4sf2, altivec_abss_<mode>): Rewrite as
10104         define_expands.
10105
10106 2005-04-06  Ralf Corsepius  <ralf.corsepius@rtems.org>
10107
10108         PR target/17822
10109         * config/avr/t-avr (AR_FOR_TARGET,RANLIB_FOR_TARGET): Remove.
10110
10111 2005-04-06  Kelley Cook  <kcook@gcc.gnu.org>
10112
10113         * Makefile.in (LIBGCC2_CFLAGS): Compile with -pipe.
10114
10115 2005-04-06  Ben Elliston  <bje@au.ibm.com>
10116
10117         * gcc.c: Correct comment about DEFAULT_SWITCH_TAKES_ARG and
10118         DEFAULT_WORD_SWITCH_TAKES_ARG which incorrectly reported these
10119         macros as living in "this file" and not gcc.h.
10120
10121 2005-04-06  Ben Elliston  <bje@au.ibm.com>
10122
10123         * doc/invoke.texi (Optimize Options): Mention -ftree-lrs, not
10124         -ftree-live_range_split.  Perhaps renamed at some point?
10125
10126 2005-04-06  Zdenek Dvorak  <dvorakz@suse.cz>
10127
10128         PR target/20625
10129         * tree-ssa-loop-ivopts.c (generic_type_for): New function.
10130         (add_candidate_1): Use generic_type_for instead of unsigned_type_for.
10131
10132 2005-04-06  Zdenek Dvorak  <dvorakz@suse.cz>
10133
10134         * tree-flow.h (number_of_iterations_cond): Declaration removed.
10135         * tree-ssa-loop-niter.c (number_of_iterations_cond): Made static.
10136         (number_of_iterations_special): New function.
10137         (number_of_iterations_exit): Use number_of_iterations_special.
10138         Use simplify_using_outer_evolutions only at -O3.
10139         (number_of_iterations_cond, tree_simplify_using_condition,
10140         simplify_using_initial_conditions, loop_niter_by_eval,
10141         compare_trees, can_count_iv_in_wider_type_bound,
10142         simplify_using_outer_evolutions): Use fold_build.
10143
10144 2005-04-05  Thomas Fitzsimmons  <fitzsim@redhat.com>
10145
10146         * doc/install.texi (Configuration): Document --with-java-home.
10147
10148 2005-04-05  Richard Henderson  <rth@redhat.com>
10149
10150         PR target/20342
10151         PR target/20447
10152         * config/i386/i386.c (print_operand): Handle vector zeros.
10153         (ix86_split_to_parts): Handle CONST_VECTOR.
10154         (ix86_hard_regno_mode_ok): Allow MMX modes in general regs.
10155         (ix86_modes_tieable_p): Use ix86_hard_regno_mode_ok to decide
10156         what modes to tie for MMX and SSE registers.
10157         * config/i386/i386.h (MMX_REG_MODE_P): Remove.
10158         * config/i386/i386.md: Extend move 0 -> xor peephole to apply
10159         to vector modes as well.
10160         * config/i386/predicates.md (const0_operand): Handle VOIDmode
10161         properly as an input mode.
10162
10163 2005-04-05  Andrew MacLeod  <amacleod@redhat.com>
10164
10165         * tree-ssa-operands.c (verify_abort): Use %p for pointers.
10166
10167 2005-04-05  Andrew MacLeod  <amacleod@redhat.com>
10168
10169         * tree-pretty-print.c (dump_generic_node): Use %p for pointer.
10170
10171 2005-04-05  Jakub Jelinek  <jakub@redhat.com>
10172
10173         * config/i386/i386.c (init_cumulative_args): For -m32 -mfpmath=sse
10174         and local functions, set sse_nregs to 8 and float_in_sse.
10175         (function_arg_advance, function_arg): If float_in_sse, pass
10176         SFmode and DFmode arguments in SSE registers.
10177         * config/i386/i386.h (CUMULATIVE_ARGS): Add float_in_sse field.
10178
10179         * config/i386/i386.c (ix86_value_regno): Only optimize local functions
10180         of -funit-at-a-time.
10181
10182 2005-04-05  Paolo Bonzini  <bonzini@gnu.org>
10183
10184         * config/i386/i386-protos.h (ix86_function_value): Accept two
10185         arguments, like the target macro.
10186         * config/i386/i386.h (FUNCTION_VALUE): Pass both arguments.
10187         * config/i386/i386.c (ix86_function_value): Accept the second
10188         argument of the target macro.
10189         (ix86_function_ok_for_sibcall): Pass a function pointer to
10190         ix86_function_value.
10191         (ix86_function_value, ix86_libcall_value) [!TARGET_64BIT]: Adjust
10192         call to ix86_value_regno).
10193         (ix86_value_regno): Add support for returning floating point values
10194         in SSE registers.
10195
10196 2005-04-05  Jakub Jelinek  <jakub@redhat.com>
10197
10198         PR tree-optimization/20076
10199         * tree-inline.c (inline_forbidden_p_1): Prevent inlining functions
10200         that call __builtin_return or __builtin_apply_args.
10201
10202 2005-04-05  Andrew MacLeod  <amacleod@redhat.com>
10203
10204         * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use update_stmt.
10205         Use immediate use iterator.
10206         (stmt_is_bumper_for_loop): Use immediate use iterator.
10207         * predict.c (strip_builtin_expect): Use update_stmt.
10208         * tree-cfg.c (update_modified_stmts): New. Call update_stmt_if_modified
10209         on all elements of a STATEMENT_LIST.
10210         (bsi_insert_before, bsi_insert_after): Call update_modified_stmts.
10211         (bsi_remove): Remove imm_use links and mark the stmt as modified.
10212         (bsi_replace): Mark stmt as modified and the update it.
10213         * tree-complex.c (update_complex_assignment): Call mark_stmt_modified.
10214         (expand_complex_libcal): Call update_stmt.
10215         (expand_complex_comparison): Call mark_stmt_modified.
10216         (expand_complex_operations_1): Call update_stmt_if_modified.
10217         (expand_vector_operations_1): Call mark_stmt_modified.
10218         * tree-dfa.c (compute_immediate_uses, free_df_for_stmt, free_df,
10219         compute_immediate_uses_for_phi, compute_immediate_uses_for_stmt,
10220         add_immediate_use, redirect_immediate_use,
10221         redirect_immediate_uses, dump_immediate_uses, debug_immediate_uses,
10222         dump_immediate_uses_for, debug_immediate_uses_for): Delete.
10223         (mark_new_vars_to_rename): Call update_stmt.
10224         * tree-dump.c (dump_option_value_in): Add "stmtaddr".
10225         * tree-flow-inline.h (modify_stmt): Rename to mark_stmt_modified.
10226         Ignore PHI nodes.
10227         (unmodify_stmt): Delete.
10228         (update_stmt): New.  Force an update of a stmt.
10229         (update_stmt_if_modified): update a stmt if it is out of date.
10230         (get_stmt_operands): Verify stmt is NOT modified.
10231         (stmt_modified_p): Update comment.
10232         (delink_imm_use): Remove a use node from its immuse list.
10233         (link_imm_use_to_list): Link a use node to a specific list.
10234         (link_imm_use): Link a node to the correct list.
10235         (set_ssa_use_from_ptr): Set a use node to a specific value, and insert
10236         it in the correct list, if appropriate.
10237         (link_imm_use_stmt): Link a use node, and set the stmt pointer.
10238         (relink_imm_use): Link a use node in place of another node in a list.
10239         (relink_imm_use_stmt): LInk a node in place of another node, and set
10240         the stmt pointer.
10241         (end_safe_imm_use_traverse): New.  Terminate a safe immuse iterator.
10242         (end_safe_imm_use_p): New.  Check for the end of a safe immuse iterator.
10243         (first_safe_imm_use): New.  Initialize a safe immuse iterator.
10244         (next_safe_imm_use): New.  Proceed to next safe immuse iterator value.
10245         (end_readonly_imm_use_p): New.  Check for end of a fast immuse iterator.
10246         (first_readonly_imm_use): New.  Initialize a fast immuse iterator.
10247         (next_readonly_imm_use): New.  Get the next fast immuse iterator value.
10248         (has_zero_uses): New.  Return true if there are no uses of a var.
10249         (has_single_use): New.  Return true if there is only a single use of a
10250         variable.
10251         (single_imm_use): New.  Return the simgle immediate use.
10252         (num_imm_uses): New.  Return the number of immediate uses.
10253         (get_v_must_def_ops): Use is now a pointer.
10254         (use_operand_p, get_v_may_def_op_ptr, get_vuse_op_ptr,
10255         get_v_must_def_kill_ptr, get_phi_arg_def_ptr): Return the address of
10256         the use node.
10257         (get_immediate_uses, num_immediate_uses, immediate_use): Delete.
10258         (delink_stmt_imm_use): Delink all immuses from a stmt.
10259         (phi_arg_index_from_use): New.  Return a phi arg index for a use.
10260         * tree-flow.h (struct dataflow_d): Delete.
10261         (immediate_use_iterator_d): New.  Immediate use iterator struct.
10262         (FOR_EACH_IMM_USE_FAST): New.  Macro for read only immuse iteration.
10263         (FOR_EACH_IMM_USE_SAFE): New.  Macro for write-safe immuse iteration.
10264         (BREAK_FROM_SAFE_IMM_USE): New.  Macro for earlyu exit from write-safe
10265         iteration.
10266         (struct stmt_ann_d): Remove dataflow_t from struct.
10267         * tree-if-conv.c (tree_if_conversion).  Don't call free_df.
10268         (if_convertible_phi_p): Use FAST immuse iterator.
10269         (if_convertible_loop_p): Don't call compute_immediate_uses.
10270         (replace_phi_with_cond_modify_expr): Call update_stmt.
10271         * tree-into-ssa.c (mark_def_sites, ssa_mark_def_sites): Call
10272         update_stmt_if_modified.
10273         (rewrite_all_into_ssa): Initialize ssa operands.
10274         * tree-loop-linear.c (linear_transform_loops): Don't call free_df or
10275         compute_immediate_uses.
10276         * tree-optimize.c (execute_todo): Call verify_ssa whenever the
10277         ssa_property is available.
10278         (execute_one_pass):  Change parameters passed to execute_todo.
10279         * tree-outof-ssa.c (rewrite_trees): Don't call modify_stmt.
10280         (remove_ssa_form): Call fini_ssa_operands.
10281         (insert_backedge_copies): Delete call to modify_stmt.
10282         * tree-phinodes.c (make_phi_node): Initialize use nodes.
10283         (release_phi_node): Delink any use nodes before releasing.
10284         (resize_phi_node): Relink any use nodes.
10285         (remove_phi_arg_num): Delink the use node.
10286         (remove_phi_node): Release the ssa_name AFTER releasing the phi node.
10287         (remove_all_phi_nodes_for): Release phi node first.
10288         * tree-pretty-print.c (dump_generic_node): Print stmt address.
10289         * tree-sra.c (mark_all_v_defs): Call update_stmt_if_modified.
10290         (scalarize_use, scalarize_copy): Call update_stmt.
10291         * tree-ssa-alias.c (compute_may_aliases): Update all modified stmts.
10292         (compute_points_to_and_addr_escape): Call mark_stmt_modified.
10293         * tree-ssa-cpp.c (need_imm_uses_for): Delete.
10294         (ccp_initialize): Remove call to compute_immediate_uses.
10295         (substitute_and_fold, execute_fold_all_builtins): Call update_stmt.
10296         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Update all modified
10297         stmts.
10298         (simplify_cond_and_lookup_avail_expr): Call mark_stmt_modified.
10299         (simplify_switch_and_lookup_avail_expr): Call mark_stmt_modified.
10300         (eliminate_redundant_computations): Call mark_stmt_modified.
10301         (cprop_operand): Call mark_stmt_modified.
10302         (optimize_stmt): Call update_stmt_if_modified and mark_stmt_modified.
10303         * tree-ssa-dse.c (fix_phi_uses, fix_stmt_v_may_defs): Delete.
10304         (dse_optimize_stmt): Use new immuse interface.
10305         (tree_ssa_dse): Remove calls to compute_immediate_uses and free_df.
10306         * tree-ssa-forwprop.c (need_imm_uses_for): Delete.
10307         (substitute_single_use_vars): Use new immuse interface.
10308         (tree_ssa_forward_propagate_single_use_vars): Remove calls to free_df
10309         and compute_immediate_uses.
10310         * tree-ssa-loop-im.c (single_reachable_address): Use new immuse
10311         interface.
10312         (rewrite_mem_refs): Call update_stmt.
10313         (determine_lsm): Remove call to compute_imm_uses and free_df.
10314         * tree-ssa-loop-ivcanon.c (create_canonical_iv): Call update_stmt.
10315         (try_unroll_loop_completely): Call update_stmt.
10316         * tree-ssa-loop-ivopts.c (rewrite_address_base): Call update_stmt.
10317         (rewrite_use_compare): Call update_stmt.
10318         (compute_phi_arg_on_exit): Insert each stmt before trying to process.
10319         (rewrite_use) : Call update_stmt.
10320         * tree-ssa-loop-manip.c (verify_loop_closed_ssa): Add arg to call.
10321         * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Call
10322         update_stmt.
10323         * tree-ssa-operands.c (NULL_USE_OPERAND_P): Remove declaration.
10324         (allocate_use_optype, allocate_vuse_optype): Adjust allocation size.
10325         (free_uses, free_vuses, free_v_may_defs, free_v_must_defs): Delink
10326         use nodes.
10327         (initialize_vuse_operand): New.  Initialize a vuse operand.
10328         (initialize_v_may_def_operand): New.  Initialize a maydef operand.
10329         (initialize_v_must_def_operand): New.  Initialize a mustdef operand.
10330         (finalize_ssa_defs): Use stmt parameter.
10331         (correct_use_link): Ensure a use node is in the correct list, and has
10332         the correct stmt pointer.
10333         (finalize_ssa_uses, finalize_ssa_v_may_defs, finalize_ssa_vuses,
10334         finalize_ssa_v_must_defs): Also initialize use nodes.
10335         (finalize_ssa_stmt_operands): Pass extra stmt operands.
10336         (build_ssa_operands): Seperate parsing from final operand construction.
10337         (parse_ssa_operands): New.  Parse entry point for operand building.
10338         (swap_tree_operands): New.  Swap 2 tree operands.
10339         (update_stmt_operands): Ranamed from get_stmt_operands.  Always builds
10340         operands.
10341         (get_expr_operands): Call swap_tree_operands when needed.
10342         (copy_virtual_operands): Use initialize routines for virtual use ops.
10343         (create_ssa_artficial_load_stmt): Add extra stmt parameter.
10344         (verify_abort): New.  Issue imm_use error.
10345         (verify_imm_links): New Verify imm_use links for a var.
10346         (dump_immediate_uses_for): New.  Dump imm_uses for a var to file.
10347         (dump_immediate_uses): New.  Dump imm_uses for all vars to file.
10348         (debug_immediate_uses): New.  Dump imm_uses for all vars to stderr.
10349         (debug_immediate_uses_for): New.  Dump imm_uses for a var to stderr.
10350         * tree-ssa-operands.h (struct use_operand_ptr): Delete.
10351         (NULL_USE_OPERAND_P) Define.
10352         (use_optype_d, v_def_use_operand_type, vuse_optype_d): Add immediate
10353         use node.
10354         (struct vuse_operand_type): New struct.
10355         (SET_USE): Call set_ssa_use_from_ptr.
10356         (USE_STMT): Define.
10357         (PHI_ARG_INDEX_FROM_USE): Define.
10358         * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Set the phi
10359         argument via SET_USE, not PHI_ARG_DEF_TREE.
10360         * tree-ssa-pre.c (eliminate): Call update_stmt.
10361         * tree-ssa-propagate.c (cfg_blocks_get): Use imm_use iterators.  Don't
10362         call free_df.
10363         * tree-ssa-sink.c (all_immediate_uses_same_place): Use imm_use iterator.
10364         (nearest_common_dominator_of_uses): Use imm_use iterator.
10365         (statement_sink_location): Use imm_use iterator and interface.
10366         (execute_sink_code): Don't call compute_immediate_uses or free-df.
10367         * tree-ssa-threadupdate.c (create_edge_and_update_destination_phis): Use
10368         PHI_ARG_DEF, not PHI_ARG_DEF_TREE.
10369         * tree-ssa.c (verify_use, verify_phi_args): Verify some imm_use info.
10370         (verify_ssa): Ensure no stmt is marked modify after optimization pass
10371         if new parameter is true.
10372         (init_tree_ssa): Don't initialize operand cache here.
10373         (delete_tree_ssa): Don't destroy operand cache here.
10374         (propagate_into_addr): Pass in a use pointer, return true if anything
10375         was changed.
10376         (replace_immediate_uses): Use imm_use iterator, call update_stmt.
10377         (check_phi_redundancy): Use imm_use iterator.
10378         (kill_redundant_phi_nodes): Don't call compute_immediate_uses or
10379         free_df.
10380         * tree-ssanames.c (make_ssa_name): Initialize imm_use node.
10381         (release_ssa_name): Delink node and all elements in its imm_use list.
10382         * tree-tailcall.c (adjust_return_value): Call update_stmt.
10383         * tree-vect-analyze.c (vect_stmt_relevant_p): Use imm_use iterator.
10384         * tree-vectorizer.c (need_imm_uses_for): Delete.
10385         (vectorize_loops): Dont call compute_immediate_uses or free_df.
10386         * tree.h (struct ssa_imm_use_d): Define.
10387         (SSA_NAME_IMM_USE_NODE): Define.
10388         (struct tree_ssa_name): Add imm_use node.
10389         (PHI_DF): Delete.
10390         (PHI_ARG_IMM_USE_NODE): Define.
10391         (struct phi_arg_d): Add imm_use node.
10392         (struct tree_phi_node): Remove struct dataflow_d element.
10393         (TDF_STMTADDR): Define.
10394
10395 2005-04-05  Dale Johannesen  <dalej@apple.com>
10396
10397         * doc/invoke.texi (Optimization Options):  Remove
10398         duplicate -fcse-follow-jumps.  Add -fweb.
10399         (-ftree-lim):  Fix spelling (-ftree-loop-im, invariants).
10400         (-fivcanon):  Fix spelling (-ftree-loop-ivcanon).
10401
10402 2005-04-05  Per Bothner  <per@bothner.com>
10403
10404         * tree-ssa.c (execute_early_warn_uninitialized): Pass context node
10405         to talk_tree as 'data' parameter, rather than EXPR_LOCUS.
10406         (warn_uninit): Get EXPR_LOCUS from context now instead.
10407         This fixes a USE_MAPPED_LOCATION testsuite failure.
10408
10409         * tree-ssa.c (warn_uninitialized_var): Remove useless local.
10410
10411 2005-04-05  Per Bothner  <per@bothner.com>
10412
10413         * c-decl.c (finish_function): If USE_MAPPED_LOCATION set the location
10414         of the artification 'return 0' in main() to BUILTINS_LOCATION.
10415         * tree-cfg.c (remove_bb): Check that location isn't BUILTINS_LOCATION
10416         before warning.
10417
10418 2004-04-05  Devang Patel  <dpatel@apple.com>
10419
10420         * config/rs600/altivec.md (altivec_vsr<VI_char>): Rename to ..
10421         (lhsr<mode>3): ... new name.
10422         (altivec_vsra<VI_char>): Rename to ..
10423         (ashr<mode>3): ... new name.
10424         * config/rs6000/rs6000.c (builtin_description): Rename shift
10425         operations.
10426
10427 2004-04-05  Paolo Bonzini  <bonzini@gnu.org>
10428
10429         * combine.c (RTL_HOOKS_GEN_LOWPART_NO_EMIT): Use
10430         gen_lowpart_for_combine.
10431         * cse.c (gen_lowpart_if_possible): Move...
10432         * rtlhooks.c (gen_lowpart_if_possible): ... here.  Also try
10433         gen_lowpart_SUBREG.
10434         (gen_lowpart_no_emit_general): Use it.
10435
10436 2005-04-05  Eric Botcazou  <ebotcazou@libertysurf.fr>
10437
10438         * config/sparc/sparc.c (TARGET_ASM_FILE_END): Undefine before
10439         overriding.
10440
10441 2005-04-05  Paolo Bonzini  <bonzini@gnu.org>
10442
10443         * system.h: Fix typo.
10444
10445 2005-04-05  Bernd Schmidt  <bernd.schmidt@analog.com>
10446
10447         * config/bfin/bfin-modes.def: New file.
10448         * config/bfin/bfin-protos.h: New file.
10449         * config/bfin/bfin.c: New file.
10450         * config/bfin/bfin.h: New file.
10451         * config/bfin/bfin.md: New file.
10452         * config/bfin/bfin.opt: New file.
10453         * config/bfin/crti.s: New file.
10454         * config/bfin/crtn.s: New file.
10455         * config/bfin/elf.h: New file.
10456         * config/bfin/lib1funcs.asm: New file.
10457         * config/bfin/predicates.md: New file.
10458         * config/bfin/t-bfin: New file.
10459         * config/bfin/t-bfin-elf: New file.
10460         * doc/extend.texi (exception_handler, kspisusp, nesting, nmi_handler):
10461         Document new attributes.
10462         (interrupt, interrupt_handler, saveall): Update documentation for
10463         these attributes.
10464         * doc/install.texi (Specific): Add entry for the Blackfin.
10465         * doc/invoke.texi (Blackfin Options): New section.
10466         * doc/md.texi (Blackfin family): New section to document constraints.
10467         * config.gcc: Add bfin*-* and bfin*-elf configurations.
10468
10469 2005-04-05  Olivier Hainque  <hainque@adacore.com>
10470
10471         * config/mips/iris6.h (DWARF_FRAME_RETURN_COLUMN): Redefine to
10472         match what the system unwinder expects.
10473         * config/mips/mips.c (mips_frame_set): If we're saving the return
10474         address register and the dwarf return address column number differs
10475         from the hard register number, adjust the note reg to refer to the
10476         former.
10477
10478 2004-04-05  Richard Sandiford  <rsandifo@redhat.com>
10479
10480         * config/mn10300/mn10300-protos.h (mn10300_override_options): Declare.
10481         * config/mn10300/mn10300.h (target_flags, TARGET_MULT_BUG)
10482         (TARGET_SWITCHES, TARGET_DEFAULT): Delete.
10483         (processor_type): New enum.
10484         (mn10300_processor): New variable.
10485         (TARGET_AM33, TARGET_AM33_2): Redefine in terms of mn10300_processor.
10486         (PROCESSOR_DEFAULT, OVERRIDE_OPTIONS): New macros.
10487         * config/mn10300/linux.h (TARGET_SWITCHES, TARGET_DEFAULT): Delete.
10488         (PROCESSOR_DEFAULT): New macro.
10489         * config/mn10300/mn10300.c (mn10300_processor): New variable.
10490         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
10491         (mn10300_handle_option, mn10300_override_options): New functions.
10492         * config/mn10300/mn10300.opt: New file.
10493
10494 2005-04-05  Eric Botcazou  <ebotcazou@libertysurf.fr>
10495             Sebastian Pop <sebastian.pop@cri.ensmp.fr>
10496
10497         PR tree-optimization/19903
10498         * tree-chrec.c (chrec_convert): Return chrec_dont_know for constants
10499         that don't fit in their type after conversion.
10500
10501 2005-04-05  Uros Bizjak <uros@kss-loka.si>
10502
10503         PR target/20421
10504         * config/i386/i386.md (frndintxf2_floor, frndintxf2_ceil)
10505         (frndintxf2_trunc, frndintxf2_mask_pm): Add FLAGS_REG clobber.
10506         Allocate local stack slots here.  Set ix86_optimize_mode_switching.
10507         flag here. Implement using define_insn_and_split.
10508         (frndintxf2_floor_i387, frndintxf2_ceil_i387, frndintxf2_trunc_i387)
10509         (frndintxf2_mask_pm_i387): New insn patterns.
10510         (floorsf2, floordf2, floorxf2): Remove local stack slot allocations.
10511         Do not set ix86_optimize_mode_switching flag.
10512         (ceilsf2, ceildf2, ceilxf2): Same.
10513         (btruncsf2, btruncdf2, btruncxf2): Same.
10514         (nearbyintsf2, nearbyintdf2, nearbyintxf2): Same.
10515
10516 2005-04-05  Ian Lance Taylor  <ian@airs.com>
10517
10518         PR debug/9963
10519         * config/i386/cygming.h (ASM_OUTPUT_EXTERNAL): Pass DECL to
10520         i386_pe_record_external_function.
10521         (i386_pe_record_external_function): Update declaration.
10522         * config/i386/winnt.c (struct extern_list): Add decl field.
10523         (i386_pe_record_external_function): Add decl parameter.
10524         (i386_pe_file_end): Check TREE_ASM_WRITTEN on decl, not
10525         identifier.
10526         * config/i386/i386-protos.h (i386_pe_record_external_function):
10527         Update declaration.
10528
10529 2005-04-05  Kazu Hirata  <kazu@cs.umass.edu>
10530
10531         * config/m68k/m68k-protos.h: Add a prototype for
10532         valid_dbcc_comparison_p_2.
10533         * config/m68k/m68k.c (not_sp_operand, symbolic_operand,
10534         extend_operator, const_uint32_operand, const_sint32_operand,
10535         general_src_operand, nonimmediate_src_operand,
10536         memory_src_operand, post_inc_operand, pre_dec_operand,
10537         pcrel_address): Move to predicates to predicates.md.
10538         * config/m68k/m68k.h (PREDICATE_CODES): Remove.
10539         * config/m68k/m68k.md: Include predicates.md.
10540         * config/m68k/predicates.md: New.
10541
10542 2005-04-04  Roger Sayle  <roger@eyesopen.com>
10543
10544         * config/i386/i386.md (*truncdfsf2_i387_1): New pattern.
10545
10546         * fold-const.c (maybe_lvalue_p): Delete orphaned comment.
10547
10548 2005-04-04  Ian Lance Taylor  <ian@airs.com>
10549
10550         * c-typeck.c (struct c_switch): Rename switch_stmt field to
10551         switch_expr.
10552         (c_start_case): Build SWITCH_EXPR, not SWITCH_STMT.
10553         (do_case): Use SWITCH_COND rather than SWITCH_STMT_COND.
10554         (c_finish_case): Use SWITCH_BODY rather than SWITCH_STMT_BODY.
10555         Call c_do_switch_expr_warnings rather than c_do_switch_warnings.
10556         * c-common.c (c_do_switch_warnings_1): New static function broken
10557         out of c_do_switch_warnings.
10558         (c_do_switch_warnings): Call c_do_switch_warnings_1.
10559         (c_do_switch_expr_warnings): New function.
10560         * c-common.h (c_do_switch_expr_warnings): Declare.
10561
10562 2005-04-04  David Edelsohn  <edelsohn@gnu.org>
10563             Daniel Jacobowitz  <dan@codesourcery.com>
10564
10565         * tree-eh.c (tree_could_trap_p): Allow non-constant floating point
10566         trapping divide.
10567         * rtlanal.c (may_trap_p): Same.
10568
10569 2005-04-04  Dale Johannesen  <dalej@apple.com>
10570
10571         * ChangeLog:  remove reference to ChangeLog.12.
10572
10573 2005-04-05  Hans-Peter Nilsson  <hp@axis.com>
10574
10575         CRIS epilogue as RTL.
10576         * config/cris/cris.md: Change all 0 in unspec 0 to
10577         CRIS_UNSPEC_PLT.
10578         (CRIS_UNSPEC_PLT, CRIS_UNSPEC_FRAME_DEALLOC): New constants.
10579         ("*cris_load_multiple", "cris_frame_deallocated_barrier"): New
10580         patterns.
10581         ("return"): Change to define_expand.  Call cris_expand_return for
10582         actual expansion.
10583         ("*return_expanded"): New pattern.
10584         ("epilogue"): New define_expand.
10585         * config/cris/cris.h (PREDICATE_CODES): Add
10586         cris_load_multiple_op.
10587         * config/cris/cris.c (ASSERT_PLT_UNSPEC): Correct test for unspec
10588         type.
10589         (enum cris_retinsn_type): New.
10590         (struct machine_function): New member return_type.
10591         (TARGET_ASM_FUNCTION_EPILOGUE): Don't override.
10592         (cris_target_asm_function_epilogue): Remove, moving RTLified
10593         contents to...
10594         (cris_expand_epilogue): New function.
10595         (cris_reg_saved_in_regsave_area, cris_movem_load_rest_p,
10596         (cris_gen_movem_load, cris_load_multiple_op)
10597         (cris_return_address_on_stack_for_return, cris_expand_return): New
10598         functions.
10599         (cris_target_asm_function_prologue)
10600         (cris_initial_frame_pointer_offset): Call
10601         cris_reg_saved_in_regsave_area instead of complicated expression.
10602         Call cris_return_address_on_stack instead of an expression.
10603         (cris_print_operand) <case 'o', case 'O'>: New cases.
10604         (cris_return_address_on_stack): Change return-type to bool.
10605         (cris_simple_epilogue): Ditto.  Return false if registers are
10606         saved.
10607         * config/cris/cris-protos.h (cris_simple_epilogue)
10608         (cris_return_address_on_stack): Adjust prototype return type.
10609         (cris_gen_movem_load, cris_expand_epilogue, cris_expand_return)
10610         (cris_return_address_on_stack_for_return): New prototypes.
10611
10612 2005-04-04  Kazu Hirata  <kazu@cs.umass.edu>
10613
10614         * config/frv/frv.h (PREDICATE_CODES): Add CONST to
10615         gpr_or_int12_operand.
10616
10617         * config/frv/frv-protos.h: Add a prototype to
10618         frv_legitimate_memory_operand and frv_const_unspec_p.
10619         (frv_unspec): Move from frv.c.
10620         * config/frv/frv.c (frv_unspec): Move to frv-protos.h.
10621         (frv_const_unspec_p, frv_legitimate_memory_operand_): Export.
10622         (ldd_address_operand, fdpic_fptr_operand, frv_load_operand,
10623         gpr_or_fpr_operand, gpr_or_int12_operand,
10624         gpr_fpr_or_int12_operand, fpr_or_int6_operand,
10625         gpr_or_int10_operand, gpr_or_int_operand, int12_operand,
10626         int6_operand, int5_operand, uint5_operand, uint4_operand,
10627         uint1_operand, int_2word_operand, uint16_operand,
10628         upper_int16_operand, integer_register_operand,
10629         gpr_no_subreg_operand, fpr_operand, even_reg_operand,
10630         odd_reg_operand, even_gpr_operand, odd_gpr_operand,
10631         quad_fpr_operand, even_fpr_operand, odd_fpr_operand,
10632         dbl_memory_one_insn_operand, dbl_memory_two_insn_operand,
10633         move_destination_operand, movcc_fp_destination_operand,
10634         frv_function_symbol_referenced_p, move_source_operand,
10635         condexec_dest_operand, condexec_source_operand,
10636         reg_or_0_operand, lr_operand, fdpic_operand, got12_operand,
10637         const_unspec_operand, gpr_or_memory_operand,
10638         gpr_or_memory_operand_with_scratch, fpr_or_memory_operand,
10639         icc_operand, fcc_operand, cc_operand, icr_operand,
10640         fcr_operand, cr_operand, call_operand, sibcall_operand,
10641         symbolic_operand, relational_operator,
10642         integer_relational_operator, float_relational_operator,
10643         ccr_eqne_operator, minmax_operator,
10644         condexec_si_binary_operator, condexec_si_media_operator,
10645         condexec_si_divide_operator, condexec_si_unary_operator,
10646         condexec_sf_conv_operator, condexec_sf_add_operator,
10647         condexec_memory_operand, intop_compare_operator, acc_operand,
10648         even_acc_operand, quad_acc_operand, accg_operand: Move to
10649         predicates.md.
10650         * config/frv/frv.h (PREDICATE_CODES): Remove.
10651         * config/frv/frv.md: Include predicates.md.
10652         * config/frv/predicates.md: New.
10653
10654 2004-04-04  Richard Sandiford  <rsandifo@redhat.com>
10655
10656         PR target/19537
10657         * Makefile.in (tree-ssa-loop-ivopts.o): Depend on langhooks.h.
10658         * tree-ssa-loop-ivopts.c: Include langhooks.h.
10659         (add_standard_iv_candidates_for_size): New function, extracting code
10660         from add_standard_iv_candidates and parameterizing it by type size.
10661         (add_standard_iv_candidates): Use add_standard_iv_candidates_for_size.
10662
10663 2004-04-04  Richard Sandiford  <rsandifo@redhat.com>
10664
10665         * system.h (GCOV_SIZE_TYPE): Unposion.
10666         * gcov-io.h (GCOV_TYPE_NODE): Delete, replacing with...
10667         (GCOV_TYPE_SIZE): ...this new macro.
10668         * coverage.h (get_gcov_type, GCOV_TYPE_NODE): Declare.
10669         * coverage.c (get_gcov_type, get_gcov_unsigned_t): New functions.
10670         (rtl_coverage_counter_ref): Use GCOV_TYPE_SIZE.
10671         (build_fn_info_type, build_fn_info_value, build_ctr_info_type)
10672         (build_ctr_info_value, build_gcov_info): Use get_gcov_unsigned_t
10673         instead of unsigned_intSI_type_node.
10674         * rtl-profile.c (rtl_gen_interval_profiler, rtl_gen_pow2_profiler)
10675         (rtl_gen_one_value_profiler_no_edge_manipulation)
10676         (rtl_gen_const_delta_profiler): Use GCOV_TYPE_SIZE.
10677         * value-prof.c: Include coverage.h.
10678
10679 2005-04-02  Daniel Berlin  <dberlin@dberlin.org>
10680             Diego Novillo <dnovillo@redhat.com>
10681
10682         Fix PR tree-optimization/20703
10683         Fix PR tree-optimization/20725
10684
10685         * tree-ssa-pre.c (phi_translate): Handle tcc_comparison.
10686         (create_expression_by_pieces): Ditto.
10687         (valid_in_set): Ditto. Also handle tcc_declaration.
10688         (find_or_generate_expression): Handle comparison class.
10689         (insert_into_preds_of_block): Ditto.
10690         (insert_aux): Ditto.
10691         (create_value_expr_from): Handle comparison class, recursively
10692         handle reference nodes.
10693         (compute_avail): Handle comparison classes, rewrite a little cleaner.
10694         (execute_pre): Fix spacing.
10695         (do_fre): Renamed to execute_fre.
10696
10697 2005-04-04  Eric Botcazou  <ebotcazou@libertysurf.fr>
10698
10699         * doc/invoke.texi (SPARC options): Document that
10700         -mlittle-endian is not supported on Linux either.
10701
10702 2005-04-04  Eric Botcazou  <ebotcazou@libertysurf.fr>
10703
10704         PR target/4198
10705         PR target/12027
10706         * config.gcc (Obsolete configurations): Remove
10707         sparclite-*-coff*, sparclite-*-elf* and sparc86x-*-elf*.
10708         (sparclite-*-coff*): Delete.
10709         (sparclite-*-elf*): Likewise.
10710         (sparc86x-*-elf*): Likewise.
10711         (target_cpu_default) <sparc*-*-*>: Remove sparc86x.
10712         * config/sparc/lite.h: Delete.
10713         * config/sparc/litecoff.h: Likewise.
10714         * config/sparc/liteelf.h: Likewise.
10715         * config/sparc/sp86x-elf.h: Likewise.
10716         * config/sparc/t-sparclite: Likewise.
10717         * config/sparc/t-sp86x: Likewise.
10718
10719 2005-04-04  Adrian Straetling  <straetling@de.ibm.com>
10720
10721         * config/s390/s390-protos.h: (s390_comparison,
10722         s390_alc_comparison, s390_slb_comparison, const0_operand,
10723         consttable_operand, larl_operand, s_operand,
10724         shift_count_operand, bras_sym_operand, load_multiple_operation,
10725         store_multiple_operation, s390_plus_operand): Remove prototypes.
10726         (s390_legitimate_address_without_index_p): New prototype.
10727         * config/s390/s390.c: (SYMBOL_FLAG_ALIGN1, DISP_IN_RANGE): Move
10728         to s390.h.
10729         (s390_comparison, s390_alc_comparison, s390_slb_comparison,
10730         const0_operand, consttable_operand, larl_operand, s_operand,
10731         shift_count_operand, bras_sym_operand, load_multiple_operation,
10732         store_multiple_operation, s390_plus_operand): Move to
10733         predicates.md.
10734         (check_mode): Remove.
10735         (s390_branch_condition_mask): Remove 'static'. Move prototype to
10736         s390-protos.h.
10737         (s390_legitimate_address_without_index_p): New.
10738         * config/s390/s390.h (PREDICATE_CODES): Remove.
10739         * config/s390/s390.md: Include predicates.md.
10740         * config/s390/predicates.md: New.
10741
10742 2005-04-04  Eric Botcazou  <ebotcazou@libertysurf.fr>
10743
10744         PR target/20446
10745         * config/sparc/sparc.h (NEED_INDICATE_EXEC_STACK): Define to 0.
10746         * config/sparc/linux.h (TARGET_ASM_FILE_END): Delete.
10747         (NEED_INDICATE_EXEC_STACK): Define to 1.
10748         * config/sparc/linux64.h (TARGET_ASM_FILE_END): Delete.
10749         (NEED_INDICATE_EXEC_STACK): Define to 1.
10750         * config/sparc/sparc.c (TARGET_ASM_FILE_END): Set to sparc_file_end.
10751         (add_pc_to_pic_symbol): Rename into pic_helper_symbol.
10752         (add_pc_to_pic_symbol_name): Rename into pic_helper_symbol_name.
10753         (pic_helper_emitted_p): New global.
10754         (emit_pic_helper): New function extracted from...
10755         (load_pic_register): ...here.  Add 'delay_pic_helper' parameter.
10756         Do not call emit_pic_helper if delay_pic_helper is true.
10757         (sparc_expand_prologue): Pass 'false' to load_pic_register.
10758         (sparc_output_mi_thunk): Pass 'true' to load_pic_register.
10759         (sparc_file_end): New function.
10760
10761 2005-04-04  Kazu Hirata  <kazu@cs.umass.edu>
10762
10763         * config/mcore/mcore-protos.h: Remove the prototypes for
10764         mcore_arith_reg_operand, mcore_general_movsrc_operand,
10765         mcore_general_movdst_operand, mcore_reload_operand,
10766         mcore_arith_J_operand, mcore_arith_K_operand,
10767         mcore_arith_K_operand_not_0, mcore_arith_M_operand,
10768         mcore_arith_K_S_operand, mcore_arith_imm_operand,
10769         mcore_arith_any_imm_operand, mcore_arith_O_operand,
10770         mcore_literal_K_operand, mcore_addsub_operand,
10771         mcore_compare_operand, mcore_load_multiple_operation,
10772         mcore_store_multiple_operation, mcore_call_address_operand.
10773         Add a prototype for const_ok_for_mcore.
10774         * config/mcore/mcore.c (mcore_call_address_operand,
10775         mcore_general_movsrc_operand, mcore_general_movdst_operand,
10776         mcore_arith_reg_operand, mcore_reload_operand,
10777         mcore_arith_J_operand, mcore_arith_K_operand,
10778         mcore_arith_K_operand_not_0, mcore_arith_K_S_operand,
10779         mcore_arith_M_operand, mcore_arith_imm_operand,
10780         mcore_arith_any_imm_operand, mcore_arith_O_operand,
10781         mcore_literal_K_operand, mcore_addsub_operand,
10782         mcore_compare_operand, mcore_load_multiple_operation,
10783         mcore_store_multiple_operation): Move to predicates.md.
10784         (const_ok_for_mcore): Export.
10785         * config/mcore/mcore.h (PREDICATE_CODES): Remove.
10786         * config/mcore/mcore.md: Include predicates.md.
10787         * config/mcore/predicates.md: New.
10788
10789         * config/mcore/predicates.md: Fix a comment typo.
10790
10791 2005-04-04  Andreas Krebbel  <krebbel1@de.ibm.com>
10792             Adrian Straetling  <straetling@de.ibm.com>
10793
10794         * config/s390/2064.md ("z_mul", "z_inf"): New insn reservations.
10795         * config/s390/2084.md ("x_mul_hi", "x_mul_sidi", "x_div"): Likewise.
10796         * config/s390/s390.md ("imulhi", "imulsi", "imuldi"): Added to "type"
10797         attribute.
10798         ("imul"): Removed from "type" attribute.
10799         ("*muldi3_sign", "muldi3"): Changed type to imuldi.
10800         ("mulsi3/1", "mulsi3/3", "mulsi/4", "mulsidi3", "umulsidi3"):
10801         Changed type to imulsi.
10802         ("*mulsi3_sign", "mulsi3/2"): Changed type to imulhi.
10803
10804 2005-04-04  Richard Sandiford  <rsandifo@redhat.com>
10805
10806         * config/mcore/mcore.h (target_flags, HARDLIT_BIT, ALIGN8_BIT, DIV_BIT)
10807         (RELAX_IMM_BIT, W_FIELD_BIT, OVERALIGN_FUNC_BIT, CGDATA_BIT)
10808         (SLOW_BYTES_BIT, LITTLE_END_BIT, M340_BIT, TARGET_HARDLIT)
10809         (TARGET_DIV, TARGET_RELAX_IMM, TARGET_W_FIELD, TARGET_OVERALIGN_FUNC)
10810         (TARGET_CG_DATA, TARGET_SLOW_BYTES, TARGET_LITTLE_END, TARGET_M340)
10811         (TARGET_SWITCHES, mcore_stack_increment_string)
10812         (TARGET_OPTIONS): Delete.
10813         (TARGET_DEFAULT, OPTIMIZATION_OPTIONS): Use MASK_* constants rather
10814         than *_BIT constants.
10815         (TARGET_8ALIGN): #undef old definition before redefining to 1.
10816         * config/mcore/mcore.c (mcore_stack_increment_string): Delete.
10817         (TARGET_DEFAULT_TARGET_FLAGS): Override default to TARGET_DEFAULT.
10818         (mcore_override_options): Delete mcore_stack_increment code.
10819         Change use of M340_BIT to MASK_M340.
10820         * config/mcore/mcore.opt: New file.
10821
10822 2005-04-04  Ian Lance Taylor  <ian@airs.com>
10823
10824         * config/arm/arm.c (replace_symbols_in_block): Remove static
10825         function.
10826
10827 2005-04-04  Kazu Hirata  <kazu@cs.umass.edu>
10828
10829         * config/fr30/fr30-protos.h: Remove the prototypes for
10830         stack_add_operand, add_immediate_operand,
10831         high_register_operand, low_register_operand, call_operand,
10832         di_operand, and nonimmediate_di_operand.
10833         * config/fr30/fr30.c (stack_add_operand,
10834         add_immediate_operand, high_register_operand,
10835         low_register_operand, call_operand, di_operand,
10836         nonimmediate_di_operand): Move to predicates.md.
10837         * config/fr30/fr30.h (PREDICATE_CODES): Remove.
10838         * config/fr30/fr30.md: Include predicates.md.
10839         * config/fr30/predicates.md: New.
10840
10841         * config/mcore/mcore.h (PREDICATE_CODES): Add SYMBOL_REF and
10842         LABEL_REF to mcore_general_movsrc_operand.  Add SYMBOL_REF to
10843         mcore_call_address_operand.
10844
10845         * config/sh/sh.h (PREDICATE_CODES): Add CONST to
10846         general_movsrc_operand.
10847
10848 2005-04-04  Alan Modra  <amodra@bigpond.net.au>
10849
10850         * passes.c (rest_of_handle_final): NULL unlikely_text_section_name
10851         after freeing.
10852
10853 2005-04-04  Richard Earnshaw  <richard.earnshaw@arm.com>
10854
10855         PR target/14812
10856         * arm.c (arm_select_cc_mode): Return CC_Zmode when comparing against
10857         a negated value.
10858
10859 2005-04-04  Richard Henderson  <rth@redhat.com>
10860             Jakub Jelinek  <jakub@redhat.com>
10861
10862         PR rtl-optimization/16104
10863         * fold-const.c (fold_unary): Fix folding of vector conversions.
10864
10865 2005-04-04  Richard Sandiford  <rsandifo@redhat.com>
10866
10867         * config.gcc (xstormy16-*-elf): Set extra_options.
10868         * config/stormy16/stormy16.h (target_flags, TARGET_SWITCHES): Delete.
10869         * config/stormy16/stormy16.opt: New file.
10870
10871 2005-04-04  Richard Sandiford  <rsandifo@redhat.com>
10872
10873         * config/pdp11/pdp11.h (target_flags, TARGET_SWITCHES, TARGET_DEFAULT)
10874         (TARGET_FPU, TARGET_SOFT_FLOAT, TARGET_AC0, TARGET_NO_AC0, TARGET_45)
10875         (TARGET_BCOPY_BUILTIN, TARGET_INT16, TARGET_INT32, TARGET_FLOAT32)
10876         (TARGET_FLOAT64, TARGET_ABSHI_BUILTIN, TARGET_BRANCH_EXPENSIVE)
10877         (TARGET_BRANCH_CHEAP, TARGET_SPLIT, TARGET_NOSPLIT)
10878         (TARGET_UNIX_ASM): Delete.
10879         (TARGET_40_PLUS): Redefine in terms of TARGET_40 and TARGET_45.
10880         * config/pdp11/2bsd.h (TARGET_UNIX_ASM_DEFAULT): Use MASK_UNIX_ASM.
10881         * config/pdp11/pdp11.c (pdp11_handle_option): New function.
10882         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
10883         * config/pdp11/pdp11.opt: New file.
10884
10885 2005-04-03  Roger Sayle  <roger@eyesopen.com>
10886             Alexandre Oliva  <aoliva@redhat.com>
10887
10888         PR c++/19199
10889         * fold-const.c (non_lvalue): Split tests into...
10890         (maybe_lvalue_p): New function.
10891         (fold_cond_expr_with_comparison): Preserve lvalue-ness for the
10892         C++ front-end prior to lowering into gimple form.
10893
10894 2005-04-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
10895
10896         * builtins.def (BUILT_IN_STPNCPY, BUILT_IN_STRCASECMP,
10897         BUILT_IN_STRNCASECMP): New.
10898         * doc/extend.texi: Document stpncpy, strcasecmp, strncasecmp
10899         and strndup.
10900
10901 2005-04-03  Richard Earnshaw  <richard.earnshaw@arm.com>
10902
10903         PR target/14812
10904         * arm.md (addsi3_compare0_for_combiner): Delete.
10905         (addsi3_compare0_scratch_for_combiner): Delete.
10906         (cmpsi_neg_shiftsi): Delete.
10907         (compare_negsi_si): New pattern.
10908         (cmpsi_negshiftsi_si): New pattern.
10909         (negated_cbranchsi4): Restrict to equality_operator.
10910
10911         * arm.md (movhi_insn_arch4): delete trailing white space from assembler
10912         template.
10913
10914 2005-04-03  Kazu Hirata  <kazu@cs.umass.edu>
10915
10916         * cfghooks.c, cfgrtl.c, modulo-sched.c, config/i386/winnt.c:
10917         Fix comment typos.
10918
10919         * doc/install.texi: Fix a typo.
10920
10921 2005-04-03  Steven Bosscher  <stevenb@suse.de>
10922
10923         PR middle-end/20648
10924         * bb-reorder.c (duplicate_computed_gotos): Do not unfactor
10925         a computed goto if the edge to the computed goto block has
10926         incoming abnormal edges.  Clarify how the function works.
10927
10928 2005-04-03  Nathan Sidwell  <nathan@codesourcery.com>
10929
10930         * params.c (set_param_value): Use gcc_assert & gcc_unreachable.
10931         * passes.c (open_dump_file, rest_of_handle_final): Likewise.
10932         * postreload-gcse.c (expr_equiv_p, oprs_unchanged_p,
10933         hash_scan_set, reg_set_between_after_reload_p,
10934         reg_used_between_after_reload_p, get_avail_load_store_reg,
10935         eliminate_partially_redundant_load): Likewise.
10936         * postreload.c (reload_cse_simplify_set,
10937         reload_combine_note_use): Likewise.
10938         * predict.c (predict_insn, expected_value_to_br_prob,
10939         propagate_freq, expensive_function_p): Likewise.
10940         * print-rtl.c (print_rtx): Likewise.
10941         * profile.c (instrument_edges, instrument_values,
10942         compute_branch_probabilities, branch_prob, union_groups,
10943         tree_register_profile_hooks, rtl_register_profile_hooks): Likewise.
10944         * protoize.c (in_system_include_dir, file_could_be_converted,
10945         file_normally_convertible, gen_aux_info_file, seek_to_line,
10946         do_cleaning): Likewise.
10947         * tree-ssa-alias.c (collect_points_to_info_r): Likewise.
10948         * tree-ssa-ccp.c (execute_fold_all_builtins): Likewise.
10949         * tree-ssa-loop-ivopts.c (produce_memory_decl_rtl): Likewise.
10950
10951 2005-04-03 Mostafa Hagog <mustafa@il.ibm.com>
10952
10953         * cfg.c (clear_bb_flags): Don't clear BB_DISABLE_SCHEDULE.
10954         * modulo-sched.c (undo_replace_buff_elem): New structure.
10955         (kernel_number_of_cycles, ps_unschedule_node,
10956         undo_generate_reg_moves,free_undo_replace_buff,
10957         undo_permute_partial_schedule,  loop_single_full_bb_p,
10958         SIMPLE_SMS_LOOP_P, loop_canon_p, canon_loop,
10959         build_loops_structure, get_sched_window): New.
10960         (generate_reg_moves): Return undo_replace_buff_elem and other
10961         fixes.
10962         (generate_prolog_epilog): Remove old loop versioning.
10963         (sms_schedule): Use loop information and loop_version.
10964         (sms_schedule_by_order): Split part of it to get_sched_window.
10965         * passes.c (rest_of_handle_sms): call cfg_layout_initialize
10966         cfg_layout_finalize and free_dominance_info before/after SMS.
10967
10968 2005-04-03 Mostafa Hagog <mustafa@il.ibm.com>
10969
10970         * cfghooks.c (lv_flush_pending_stmts,
10971         cfg_hook_duplicate_loop_to_header_edge, extract_cond_bb_edges,
10972         lv_adjust_loop_header_phi, lv_add_condition_to_bb): New.
10973         * cfghooks.h (cfg_hook_duplicate_loop_to_header_edge,
10974         lv_add_condition_to_bb,
10975         lv_adjust_loop_header_phi, extract_cond_bb_edges,
10976         flush_pending_stmts): New in cfg_hooks structure.
10977         (cfg_hook_duplicate_loop_to_header_edge, lv_flush_pending_stmts,
10978         extract_cond_bb_edges, lv_adjust_loop_header_phi,
10979         lv_add_condition_to_bb): New declarations.
10980         * cfgloop.h (duplicate_loop_to_header_edge): Change return type to
10981         bool.
10982         (loop_version): Declare.
10983         * cfgloopmanip.c (cfghooks.h): Include.
10984         (duplicate_loop_to_header_edge): Change return type to bool.
10985         (loop_version, lv_adjust_loop_entry_edge): Move here.
10986         * cfgrtl.c (cfgloop.h): Include.
10987         (rtl_verify_flow_info_1): Fix.
10988         (rtl_lv_add_condition_to_bb, rtl_extract_cond_bb_edges): New.
10989         (rtl_cfg_hooks, cfg_layout_rtl_cfg_hook): Add hooks to
10990         initialization.
10991         * tree-cfg.c (tree_lv_adjust_loop_header_phi,
10992         tree_lv_add_condition_to_bb): New.
10993         (tree_cfg_hooks): Add new hooks to initialization.
10994         * tree-ssa-loop-manip.c (lv_adjust_loop_header_phi,
10995         lv_adjust_loop_entry_edge, tree_ssa_loop_version): Remove.
10996
10997 2005-04-03  Kazu Hirata  <kazu@cs.umass.edu>
10998
10999         * config/stormy16/stormy16.h (PREDICATE_CODES): Add SUBREG to
11000         xstormy16_below100_or_register,
11001         xstormy16_splittable_below100_or_register, and
11002         nonimmediate_nonstack_operand.
11003
11004         * config/stormy16/stormy16-protos.h: Remove the prototypes for
11005         xstormy16_ineqsi_operator, equality_operator,
11006         inequality_operator, shift_operator,
11007         xstormy16_below100_operand, xstormy16_below100_or_register,
11008         xstormy16_splittable_below100_or_register,
11009         xstormy16_onebit_set_operand, xstormy16_onebit_clr_operand.
11010         * config/stormy16/stormy16.c (xstormy16_ineqsi_operator,
11011         equality_operator, inequality_operator,
11012         xstormy16_below100_operand, xstormy16_below100_or_register,
11013         xstormy16_splittable_below100_or_register,
11014         xstormy16_onebit_set_operand, xstormy16_onebit_clr_operand,
11015         nonimmediate_nonstack_operand, shift_operator): Move to
11016         predicates.md.
11017         * config/stormy16/stormy16.h (PREDICATE_CODES): Remove.
11018         * config/stormy16/stormy16.md: Include predicates.md.
11019         * config/stormy16/predicates.md: New.
11020
11021 2005-04-02  Kazu Hirata  <kazu@cs.umass.edu>
11022
11023         * config/iq2000/iq2000.c (uns_arith_operand, arith_operand,
11024         small_int, large_int, reg_or_0_operand, simple_memory_operand,
11025         equality_op, cmp_op, pc_or_label_operand, call_insn_operand,
11026         move_operand, power_of_2_operand): Move to predicates.md.
11027         * config/iq2000/iq2000.h (SPECIAL_MODE_PREDICATES,
11028         PREDICATE_CODE): Remove.
11029         * config/iq2000/iq2000.md: Include predicates.md.
11030         * config/iq2000/predicates.md: New.
11031
11032 2005-04-02  Richard Sandiford  <rsandifo@redhat.com>
11033
11034         * config/m68hc11/m68hc11.h (target_flags, MASK_SHORT)
11035         (MASK_AUTO_INC_DEC, MASK_M6811, MASK_M6812, MASK_M68S12)
11036         (MASK_NO_DIRECT_MODE, MASK_MIN_MAX, MASK_LONG_CALLS)
11037         (TARGET_SHORT, TARGET_M6811, TARGET_M6812, TARGET_M68S12)
11038         (TARGET_AUTO_INC_DEC, TARGET_MIN_MAX, TARGET_NO_DIRECT_MODE)
11039         (TARGET_LONG_CALLS, TARGET_SWITCHES, TARGET_OPTIONS)
11040         (SUBTARGET_SWITCHES, SUBTARGET_OPTIONS, m68hc11_regparm_string)
11041         (m68hc11_reg_alloc_order, m68hc11_soft_reg_count)
11042         (TARGET_M68HC11): Delete.
11043         (TARGET_DEFAULT): Change the default setting from MASK_M6811 to 0.
11044         * config/m68hc11/m68hc12.h (TARGET_M68HC12): Delete.
11045         * config/m68hc11/m68hc11.c (m68hc11_regparm_string)
11046         (m68hc11_reg_alloc_order, m68hc11_soft_reg_count)
11047         (nb_soft_regs): Delete.
11048         (TARGET_DEFAULT_TARGET_FLAGS): Override default with TARGET_DEFAULT.
11049         (m68hc11_override_options): Remove the code that caters for MASK_M6811
11050         and MASK_M6812 being set simultaneously.  Change the code that sets
11051         the default m68hc11_soft_reg_count to use integers instead of strings.
11052         (m68hc11_conditional_register_usage, hard_regno_mode_ok): Use
11053         m68hc11_soft_reg_count (which now has an int type) as the number
11054         of soft registers.
11055         * config/m68hc11/m68hc11.opt: New file.
11056
11057 2005-04-02  Kazu Hirata  <kazu@cs.umass.edu>
11058
11059         * config/fr30/fr30.h (PREDICATE_CODES): Remove
11060         fp_displacement_operand, sp_displacement_operand.
11061
11062         * config/m68hc11/m68hc11-protos.h: Add a prototype for
11063         m68hcc_auto_inc_p.
11064         Remove the prototypes for tst_operand, cmp_operand,
11065         stack_register_operand, d_register_operand,
11066         hard_addr_reg_operand, splitable_operand,
11067         m68hc11_logical_operator, m68hc11_arith_operator,
11068         m68hc11_non_shift_operator, m68hc11_shift_operator,
11069         m68hc11_unary_operator, m68hc11_eq_compare_operator,
11070         non_push_operand, hard_reg_operand, and
11071         reg_or_some_mem_operand.
11072         * config/m68hc11/m68hc11.c (m68hcc_auto_inc_p): Make it
11073         extern.
11074         (tst_operand, cmp_operand, non_push_operand,
11075         splitable_operand, reg_or_some_mem_operand,
11076         stack_register_operand, d_register_operand,
11077         hard_addr_reg_operand, hard_reg_operand,
11078         m68hc11_eq_compare_operator, m68hc11_logical_operator,
11079         m68hc11_arith_operator, m68hc11_non_shift_operator,
11080         m68hc11_shift_operator, m68hc11_unary_operator): Move to
11081         predicates.md.
11082         * config/m68hc11/m68hc11.h (PREDICATE_CODES): Remove.
11083         * config/m68hc11/m68hc11.md: Include predicates.md.
11084         * config/m68hc11/predicates.md: New.
11085
11086 2005-04-02  Alexandre Oliva  <aoliva@redhat.com>
11087
11088         PR debug/19345
11089         * dwarf2out.c (add_abstract_origin_attribute): Revert accidental
11090         change checked in along with 2005-03-03's patch for debug/20253.
11091         * tree-inline.c (remap_type): Remap TYPE_STUB_DECL.
11092         (remap_decl): Insert type decl in map earlier.
11093
11094 2005-04-02  Alexandre Oliva  <aoliva@redhat.com>
11095
11096         PR tree-optimization/20640
11097         * tree-ssa-dce.c (remove_dead_stmt): Don't redirect edge to
11098         post-dominator if it has phi nodes.
11099         (eliminate_unnecessary_stmts): Remove dead phis in all blocks
11100         before dead statements.
11101
11102 2005-04-02  Alexandre Oliva  <aoliva@redhat.com>
11103
11104         PR middle-end/20491
11105         * final.c (alter_subreg): Don't call subreg_regno for a non-REG.
11106
11107 2005-04-02  Alexandre Oliva  <aoliva@redhat.com>
11108
11109         PR rtl-optimization/20290
11110         * loop.c (for_each_insn_in_loop): Don't assume the loop body runs
11111         in every iteration if the entry point is the exit test.
11112
11113 2005-04-02  Hans-Peter Nilsson  <hp@axis.com>
11114
11115         * config/cris/cris.md (attribute "length"): Define.
11116
11117 2005-04-02  Geoffrey Keating  <geoffk@apple.com>
11118
11119         * config/rs6000/predicates.md (indexed_or_indirect_operand): New.
11120         (word_offset_memref_operand): New.
11121         * config/rs6000/rs6000-protos.h (word_offset_memref_operand): Delete.
11122         (indexed_or_indirect_operand): Delete.
11123         * config/rs6000/rs6000.c (word_offset_memref_operand): Delete.
11124         (indexed_or_indirect_operand): Delete.
11125
11126         * config/rs6000/t-darwin8: Comment out ppc64 multilib.
11127
11128         PR 20650
11129         * config/rs6000/rs6000.md (fix_truncdfsi2): Make destination
11130         a register.
11131
11132         * config/rs6000/t-darwin (TARGET_LIBGCC2_CFLAGS): Add -pipe.
11133         * config/t-darwin (TARGET_LIBGCC2_CFLAGS): Likewise.
11134
11135 2005-04-01  Jan-Benedict Glaw  <jbglaw@lug-owl.de>
11136
11137         * gcc/config/vax/vax.md: Spellcheck, fix whitespace.
11138
11139 2005-04-01  Ian Lance Taylor  <ian@airs.com>
11140
11141         * gcc.c: Don't include <sys/resource.h> or declare getrusage.
11142         (rus, prus): Remove static variables.
11143         (execute): Use pex_run/pex_get_status rather than pexecute/pwait.
11144         (process_command): Permit report_times and use_pipes together.
11145
11146 2005-04-01  Joseph S. Myers  <joseph@codesourcery.com>
11147
11148         * c-decl.c (validate_proto_after_old_defn): Look at
11149         TYPE_MAIN_VARIANT of argument types.
11150
11151 2005-04-01  Paul Brook  <paul@codesourcery.com>
11152
11153         * config/arm/arm.c (thumb_call_via_label): Include space for SP.
11154         (arm_output_function_epilogue): Allow call_via_SP.
11155         (thumb_call_via_reg, arm_file_end): Ditto.
11156         * config/arm/arm.h (struct machine_function): Include space for SP.
11157         (thumb_call_via_label): Update declaration.
11158
11159 2005-04-01  Ian Lance Taylor  <ian@airs.com>
11160
11161         * final.c (final_scan_insn): Revert part of 2005-03-30 patch: when
11162         doing a peephole optimization, once again put any notes in the
11163         proper position.
11164
11165 2005-04-01  Kazu Hirata  <kazu@cs.umass.edu>
11166
11167         * bb-reorder.c, fold-const.c, varasm.c: Fix comment typos.
11168
11169 2005-04-01  Nathan Sidwell  <nathan@codesourcery.com>
11170
11171         * local-alloc.c (update_equiv_regs): Use gcc_assert, gcc_unreachable.
11172         (block_alloc, find_free_reg): Likewise.
11173         * loop-doloop.c (doloop_modify): Likewise.
11174         * loop-invariant.c (record_use): Likewise.
11175         * loop-iv.c (get_biv_step_1, get_biv_step, iv_analyze,
11176         get_iv_value, canon_condition, eliminate_implied_condition,
11177         eliminate_implied_condition, simplify_using_initial_values,
11178         shorten_into_mode, canonicalize_iv_subregs,
11179         iv_number_of_iterations): Likewise.
11180         * loop-unroll.c (expand_var_during_unrolling): Likewise.
11181         * loop-unswitch.c (compare_and_jump_seq, unswitch_single_loop,
11182         unswitch_loop): Likewise.
11183         * loop.c (INSN_LUID, loop_optimize, rtx_equal_for_loop_p,
11184         move_movables, replace_call_address, find_and_verify_loops,
11185         rtx_equal_for_prefetch_p, fold_rtx_mult_add, loop_iterations,
11186         record_giv, final_giv_value, general_induction_var,
11187         simplify_giv_expr, extension_within_bounds_p, try_copy_prop,
11188         loop_giv_dump): Likewise.
11189
11190         * gcov-io.h (GCOV_CHECK, GCOV_CHECK_READING,
11191         GCOV_CHECK_WRITING): Remove.
11192         (gcov_position, gcov_rewrite): Use gcc_assert.
11193         * gcov-io.c (gcov_open, gcov_write_words, gcov_write_length,
11194         gcov_read_words, gcov_sync, gcov_seek): Use gcc_assert.
11195         * libgcov.c (__gcov_merge_single, __gcov_merge_delta): Use
11196         gcc_assert.
11197
11198 2005-04-01  Kazu Hirata  <kazu@cs.umass.edu>
11199
11200         * tree-inline.c: Fix a typo.
11201
11202 2005-04-01  Nathan Sidwell  <nathan@codesourcery.com>
11203
11204         * configure.ac (enable-checking): Explicitly set all variables for
11205         collective switch values.  Alphabetize variables. Rename
11206         ac_checking_valgrind to ac_valgrind_checking.  Allow 'none' as
11207         synonym for 'no'.
11208         * doc/install.texi (enable-checking): Update documentation.
11209         * configure: Rebuilt.
11210
11211 2005-04-01  Kazu Hirata  <kazu@cs.umass.edu>
11212
11213         * tree-inline.c (copy_body_r): Use CONSTANT_CLASS_P where
11214         possible.
11215
11216 2005-04-01  Richard Earnshaw  <richard.earnshaw@arm.com>
11217
11218         * arm.c (adjacent_mem_locations): Reject volatile memory refs.
11219         Also reject cases where this pattern will cause load delay stalls
11220         unless optimizing for size and it will produce a shorter sequence.
11221         * arm.md (arith_adjacent_mem): Make better use of ldm addressing
11222         variants to avoid pre-adjusting the base when possible.
11223
11224 2005-04-01  Richard Earnshaw  <richard.earnshaw@arm.com>
11225
11226         * arm.md (minmax_arithsi): Reject all eliminable registers, not just
11227         the frame and argument pointers.
11228         (strqi_preinc, strqi_predec, loadqi_preinc, loadqi_predec): Likewise.
11229         (loadqisi_preinc, loadqisi_predec, strsi_preinc): Likewise.
11230         (strsi_predec, loadsi_preinc, loadsi_predec): Likewise.
11231         (strqi_shiftpreinc, strqi_shiftpredec, loadqi_shiftpreinc): Likewise.
11232         (loadqi_shiftpredec, strsi_shiftpreinc, strsi_shiftpredec): Likewise.
11233         (loadsi_shiftpreinc, loadsi_shiftpredec): Likewise.
11234
11235 2005-04-01  Danny Smith  <dannysmith@users.sourceforge.net>
11236
11237         * config/i386/cygming.h (SUBTARGET_ATTRIBUTE_TABLE): Define,
11238         with entry for selectany attribute.
11239         * config/i386/i386-protos.h (ix86_handle_selectany_attribute):
11240         Declare.
11241         * config/i386/winnt.c (ix86_handle_selectany_attribute): Define.
11242         (i386_pe_asm_named_section): Handle sections generated by
11243         selectany attribute.
11244         * doc/extend.texi (selectany): Document attribute.
11245
11246 2005-04-01  Paolo Bonzini  <bonzini@gnu.org>
11247             Jan Hubicka  <jh@suse.cz>
11248
11249         * config/i386/i386.c (ix86_decompose_address): Look inside SUBREGs
11250         to fix addresses involving EBP and ESP.
11251         (aligned_operand, legitimate_address_p, ix86_address_cost): Be prepared
11252         for SUBREGed registers.
11253         (legitimate_address_p): Accept SUBREGed registers.
11254
11255 2005-04-01  Jakub Jelinek  <jakub@redhat.com>
11256
11257         PR c++/19406
11258         * dwarf2out.c (gen_type_die_for_member): Handle FIELD_DECL.
11259         (dwarf2out_imported_module_or_decl): Use gen_type_die_for_member
11260         for FIELD_DECLs.
11261
11262 2005-04-01  Kazu Hirata  <kazu@cs.umass.edu>
11263
11264         * doc/contrib.texi, doc/invoke.texi, doc/tm.texi: Fix typos.
11265
11266 2005-04-01  James E Wilson  <wilson@specifixinc.com>
11267
11268         PR c++/20505
11269         * dwarf2out.c (rtl_for_decl_init): New function.
11270         (rtl_for_decl_location): Extracted from here.
11271         (tree_add_const_value_attribute): Call rtl_for_decl_init and
11272         add_const_value_attribute.  Delete initializer_constant_valid_p call.
11273
11274 2005-04-01  Kazu Hirata  <kazu@cs.umass.edu>
11275
11276         * cgraphunit.c, dbxout.c, flow.c, gcse.c, gimplify.c,
11277         lambda-code.c, loop.c, machmode.def, mips-tfile.c,
11278         modulo-sched.c, passes.c, postreload-gcse.c, tree-eh.c,
11279         tree-ssa-ccp.c, varasm.c, config/frv/frv.c, config/frv/frv.h,
11280         config/frv/frv.md, config/i386/i386.c, config/i386/i386.h,
11281         config/i386/i386.md, config/rs6000/predicates.md,
11282         config/rs6000/rs6000.c, config/s390/fixdfdi.h,
11283         config/s390/s390.c, config/stormy16/stormy16.c,
11284         config/stormy16/stormy16.md, config/vax/vax.md: Fix comment
11285         typos.
11286
11287 2005-04-01  Joseph S. Myers  <joseph@codesourcery.com>
11288
11289         PR c/17855
11290         * gimplify.c (gimplify_expr): Create a temporary for lvalue
11291         COND_EXPR and CALL_EXPR.
11292
11293 2005-03-31  Vladimir Makarov  <vmakarov@redhat.com>
11294
11295         PR target/20632
11296         * genautomata.c (first_cycle_unit_presence): Check all alternative
11297         states for unit presence.
11298
11299         * doc/md.texi: Remove remark about impossibility to query unit
11300         presence in non nondeterministic automaton state.
11301
11302         * config/ia64/ia64.c (get_template): Change order of unit querying.
11303
11304 2005-03-31  Kazu Hirata  <kazu@cs.umass.edu>
11305
11306         * tree-ssa-dom.c (cprop_into_successor_phis): Remove an
11307         obsolete comment.
11308
11309 2005-03-31  Zdenek Dvorak  <dvorakz@suse.cz>
11310
11311         * cfgloopanal.c (mark_loop_exit_edges): Clean EDGE_LOOP_EXIT
11312         flag for edges outside any loops.
11313
11314 2005-03-31  Janis Johnson  <janis187@us.ibm.com>
11315
11316         * doc/sourcebuild.texi (Test Directives): Describe cleanup-* procs.
11317
11318 2005-03-31  Kazu Hirata  <kazu@cs.umass.edu>
11319
11320         * tree-ssa-alias.c: Follow spelling conventions.
11321         * doc/tree-ssa.texi: Fix a typo.
11322
11323 2005-03-31  J"orn Rennecke <joern.rennecke@st.com>
11324
11325         * postreload-gcse.c: Include target.h.
11326         (gcse_after_reload_main): Return early if we cannot modify jumps.
11327         * Makefile.in (postreload-gcse.o): Depend on $(TARGET_H).
11328
11329 2005-03-31  David Edelsohn  <edelsohn@gnu.org>
11330
11331         * tree-ssa-loop-im.c (stmt_cost): Add RDIV_EXPR to list of
11332         expensive operations.
11333
11334 2005-03-31  Ian Lance Taylor  <ian@airs.com>
11335
11336         * collect2.c (lderrout): New variable.
11337         (collect_exit): Dump ldout to stdout.  Dump and unlink lderrout,
11338         if it is set, to stderr.
11339         (handler): Unlink lderrout if it is set.
11340         (dump_file): Add "to" parameter.  Change all callers.
11341         (main): Initialize lderrout.
11342         (collect_execute): Add errname parameter.  Change all callers.
11343         Rename redir parameter to outname.  Never pass
11344         PEX_STDERR_TO_STDOUT to pex_run.
11345         * collect2.h (collect_execute, dump_file): Update declarations.
11346         * tlink.c (tlink_execute): Add errname parameter.  Change all
11347         callers.
11348         (do_tlink): Check lderrout as well as ldout.
11349
11350 2005-03-31  Caroline Tice  <ctice@apple.com>
11351
11352         * Makefile.in (varasm.o): Add basic-block.h to list of requirements.
11353         (bb-reorder.o): Add errors.h to list of requirements.
11354         (STAGEFEEDBACK_FLAGS_TO_PASS): Add -freorder-blocks-and-partition to
11355         profiledbootstrap flags.
11356         * bb-reorder.c (errors.h): Add new include.
11357         (struct bbro_basic_block_data_def): Add new field, in_trace.
11358         (add_unlikely_executed_notes):  Remove function.
11359         (mark_bb_for_unlikely_executed_section): Remove function.
11360         (insert_section_boundary_note): New function.
11361         (verify_hot_cold_block_grouping): New function.
11362         (push_to_next_round_p): Remove variables and tests that push all
11363         cold blocks to last round.
11364         (find_traces): Remove code that added extra round of trace finding
11365         when doing partitioning.
11366         (find_traces_1_round) :  Remove variable last_round;  add code to
11367         update new struct field, in_trace; correct trace_length where it was
11368         incorrect before (after call to copy_bb); change code that pushed all
11369         cold blocks to last round. Instead verify that all blocks going into
11370         a trace belong in the same partition.
11371         (connect_traces): Modify to connect the traces in two passes, if the
11372         function contains both hot and cold blocks.  The first pass connects
11373         all the traces for blocks in the partition that the first block in
11374         the function belongs to; the second pass connnects all the traces
11375         containing blocks that belong in the other partition.
11376         (find_rarely_executed_basic_blocks_and_crossing_edges):  Remove
11377         code that automatically put the first block in a function into the
11378         hot partition if the function had any hot blocks.
11379         (fix_crossing_unconditional_branches): Check number of succ edges
11380         before attempting to get one.
11381         (fix_edges_for_rarely_executed_code):  Update comment describing
11382         function.
11383         (reorder_basic_blocks):  Add code to initialize new field (in_trace);
11384         remove call to add_unlikely_executed_notes; add call to
11385         verify_hot_cold_block_grouping.
11386         (duplicate_computed_gotos): Don't change computed goto if it's a
11387         crossing edge.
11388         (partition_hot_cold_basic_blocks):  Update function comment.
11389         * cfgcleanup.c (try_simplify_condjump): Remove redundacy from
11390         condition.
11391         (try_forward_edges): Likewise.
11392         (merge_blocks_move_predecessor_nojumps): Likewise.
11393         (merge_blocks_move_successor_nojumps): Likewise.
11394         (merge_blocks_move): Likewise.
11395         (try_crossjump_bb): Likewise.
11396         * cfglayout.c (update_unlikely_executed_notes): Remove function.
11397         (fixup_reorder_chain): Remove code for adding UNLIKELY_EXECUTED_CODE
11398         notes to cold bb's; remove call to update_unlikely_executed_notes.
11399         (duplicate_insn_chain):  change NOTE_INSN_UNLIKELY_EXECUTED_CODE to
11400         NOTE_INSN_SWITCH_TEXT_SECTIONS.
11401         * cfglayout.h (scan_ahead_for_unlikely_executed_note): Remove
11402         function declaration.
11403         * cfgrtl.c (can_delete_note_p): Remove UNLIKELY_EXECUTED_CODE note
11404         from consideration.
11405         (rtl_can_merge_blocks): Remove redundancy from condition.
11406         (try_redirect_by_replacing_jump): Likewise.
11407         (force_nonfallthru_and_redirect): Remove code for adding
11408         UNLIKELY_EXECUTED_CODE notes to cold bb's.
11409         (commit_one_edge_insertion): Likewise.
11410         (cfg_layout_can_merge_blocks_p): Remove redundancy from condition.
11411         * dbxout.c (FORCE_TEXT): Replace function_section with
11412         current_function_section.
11413         (struct dbx_debug_h): Add do_nothing function for new debug_hooks
11414         function, switch_text_section.
11415         (struct xcoff_debug): Likewise.
11416         (dbxout_function_end): Add code to put out label diffs for both
11417         hot and cold sections.
11418         * debug.c (struct do_nothing_debug_hooks): Add do_nothing function
11419         for new debug_hooks funciton, switch_text_section..
11420         * debug.h (struct gcc_debug_hooks):  Add new function to debug_hooks,
11421         switch_text_section.
11422         * dwarf2out.c (struct dw_fde_struct):  Add five new fields:
11423         dw_fde_hot_section_label, dw_fde_hot_section_end_label,
11424         dw_fde_unlikely_section_label, dw_fde_unlikely_section_end_label and
11425         dw_fde_switched_sections.
11426         (output_call_frame_info):  Add test to see if function switches text
11427         sections in the middle; if so, use appropriate extra hot and cold
11428         section labels to compute size deltas for the hot and cold sections.
11429         (dwarf2out_begin_prologue): Add code to initialize new fields in
11430         dw_fde_struct.
11431         (dwarf2out_switch_text_section): New function (invoked through
11432         debug_hook); updates new fields in dw_fde_struct appropriately and
11433         increments separate_line_info_table_in_use.
11434         (dwarf2_debug_hooks): Initialize switch_text_section function to be
11435         dwarf2out_switch_text_section.
11436         (struct var_loc_node): Add new field, section_label.
11437         (output_aranges): Add code to check whether in hot or cold section and
11438         use the appropriate label in calculating deltas.
11439         (output_ranges): Likewise.
11440         (output_line_info): Add code to check which section we're in and
11441         use appropriate hot/cold label.
11442         (add_location_or_constant_value_attribute): Likewise.
11443         (gen_subprogam_die): Modify arange attributes to use correct labels.
11444         (dwarf2out_begin_block): Change call to function_section into call to
11445         current_function_section.
11446         (dwarf2out_end_block): Likewise.
11447         (dwarf2out_source_line): Likewise.
11448         (dwarf2out_var_location): Add code to check whether in hot or cold
11449         section and use the appropriate label.
11450         * except.c (output_function_exception_table): Change call to
11451         function_section into call to current_function_section.
11452         * final.c (profile_function): Likewise.
11453         (scan_ahead_for_unlikely_executed_note): Remove function.
11454         (final_scan_insn):  Remove calls to
11455         scan_ahead_for_unlikely_executed_note, and related code for switching
11456         to cold section, except for the single time
11457         NOTE_INSN_SWITCH_TEXT_SECTIONS may be encountered;  add calls to
11458         debug_hooks->switch_text_sections; replace appropriate calls to
11459         function_section with calls to current_function_section.
11460         * ifcvt.c (find_if_case_1): Remove redundancy from condition, add
11461         test_bb to condition.
11462         (find_if_case_2): Likewise.
11463         * insn-notes.def: Change NOTE_INSN_UNLIKELY_EXECUTED_CODE to
11464         NOTE_INSN_SWITCH_TEXT_SECTIONS.  Update comment appropriately.
11465         * opts.c (decode_options): Change warning about hot/cold partitioning
11466         with exceptionss to inform (so as not to cause bootstrap failures);
11467         remove warning about partitioning with DWARF debug info.
11468         * output.h (current_function_section): Add new function decl.
11469         (insert_section_boundary_note): Likewise.
11470         (enum in_section): Move this declaration here from varasm.c.
11471         (unlikely_section_label): Likewise.
11472         (unlikely_text_section_name): Likewise.
11473         (last_text_section_name): New global variable.
11474         (last_text_section): Likewise.
11475         (hot_section_label): Likewise.
11476         (hot_section_end_label): Likewise.
11477         (cold_section_end_label): Likewise.
11478         * passes.c (rest_of_handle_final): Free unlikely_text_section_name.
11479         * print-rtl.c (print_rtx): Change NOTE_INSN_UNLIKELY_EXECUTED_CODE
11480         to NOTE_INSN_SWITCH_TEXT_SECTIONS.
11481         * reg-stack.c (emit_swap_insn): Remove UNLIKELY_EXECUTED_CODE note
11482         insn from consideration.
11483         * sdbout.c (sdb_debug_hooks): Add do_nothing for new function,
11484         switch_text_section.
11485         * varasm.c (basic-block.h): Add new include.
11486         (unlikely_section_label_printed): Remove global variable.
11487         (unlikely_section_label): Make global variable not be static any more.
11488         (unlikely_text_section_name): Likewise.
11489         (hot_section_end_label): New global variable (not static)
11490         (first_function_block_is_cold): Likewise.
11491         (hot_section_label): Likewise.
11492         (cold_section_end_label): Likewise..
11493         (last_text_section): New global variable, not static.
11494         (last_text_section_name): New global variable, not static.
11495         (initialize_cold_section_name): New function.
11496         (enum in_section): Move declaration to output.h.
11497         (text_section): Update last_text_section.
11498         (unlikely_text_section): Replace code to determine cold section name
11499         with call to initialize_cold_section_name; Add code to update
11500         last_text_section; remove code for printing out label.
11501         (named_section_real): Add code to update last_text_section and
11502         last_text_section_name as appropriate.
11503         (function_section): Change test for 'unlikely' to depend on
11504         first_function_block_is_cold (moved old test to
11505         current_function_section).
11506         (current_function_section): New function.
11507         (assemble_start_function): Move code that frees
11508         unlikely_text_section_name; initialize hot_section_end_label;
11509         print hot and cold section labels at the start of the function;
11510         set first_function_block_is_cold, if appropriate; initialize l
11511         ast_text_section; add call to insert_section_boundary_note.
11512         (assemble_end_function):  Add code to write out hot and cold section
11513         end labels.
11514         *vmsdbgout.c (vmsdbg_debug_hooks): Add do_nothing for new function,
11515         switch_text_section.
11516         * config/darwin.c (machopic_select_section): Replace incorrect
11517         function in base_funs; update reloc for cold sections if necessary.
11518         * config/darwin.h (SECTION_FUNCTION):  Add code to update
11519         last_text_section if appropriate.
11520         (text_unlikely_section): Remove.
11521         * config/sparc/sparc.c (sparc_output_deferred_case_vectors): Likewise.
11522         * config/stormy16/stormy16.c (stormy_16_output_addr_vec): Likewise.
11523         * config/xtensa/xtensa.c (override_options): Turn off hot/cold
11524         partitioning for this architecture.
11525
11526 2005-03-31  Olivier Hainque  <hainque@adacore.com>
11527
11528         * dwarf2out.c (dwarf2out_frame_finish): Honor DWARF2_FRAME_INFO
11529         defined and non-zero.
11530
11531 2005-03-31  Gabriel Dos Reis  <gdr@integrable-solutions.net>
11532
11533         PR c++/18644
11534         * doc/invoke.texi (-Wsynth): Don't document, as it now is void of
11535         semantics.
11536
11537 2005-03-31  Alan Modra  <amodra@bigpond.net.au>
11538
11539         PR target/20611
11540         * config/rs6000/rs6000.md (load_toc_v4_PIC_1b): Remove inline
11541         label operand.  Remove (use (unspec..)).  Don't emit a label on
11542         the offset word.
11543         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Don't
11544         generate inline label for load_toc_v4_PIC_1b.
11545         (rs6000_emit_load_toc_table): Likewise.
11546
11547 2005-03-31  Kazu Hirata  <kazu@cs.umass.edu>
11548
11549         * config.gcc: Obsolete i860-*-sysv4*, ip2k-*-elf,
11550         ns32k-*-netbsdelf*, and ns32k-*-netbsd*.
11551
11552 2005-03-29  Devang Patel  <dpatel@apple.com>
11553
11554         * tree-sra.c (decide_block_copy): Disable scalarization of
11555         sub-elements.
11556
11557 2005-03-30  Stuart Hastings  <stuart@apple.com>
11558             Dale Johannesen  <dalej@apple.com>
11559
11560         * Makefile.in (print-tree.o):  Depend on tree-iterator.h.
11561         * print-tree.c (print_node):  Add case STATEMENT_LIST.
11562
11563 2005-03-31  Alan Modra  <amodra@bigpond.net.au>
11564
11565         * config.gcc (cpu_is_64bit): Set for 64-bit powerpc cpus.
11566         (powerpc64-*-linux*): Use it.  Rearrange tm_file assignment.
11567         (powerpc-*-linux*): Build a biarch compiler when --enable-targets
11568         is given with "powerpc64*" or "all", or when --with-cpu chooses
11569         a 64-bit cpu.
11570
11571 2005-03-30  James E. Wilson  <wilson@specifixinc.com>
11572
11573         PR debug/20268
11574         * dwarf2out.c (add_high_low_attributes): New function, extracted from
11575         gen_lexical_block_die.
11576         (gen_lexical_block_die, gen_inlined_subroutine_die): Call it.
11577
11578 2005-03-31  Jan Hubicka  <jh@suse.cz>
11579
11580         2004-11-02  Jan Hubicka  <jh@suse.cz>
11581
11582         * cgraph.c (cgraph_varpool_node_name): New function.
11583         (dump_cgraph_varpool_node): New function.
11584         (dump_varpool): New function.
11585         * cgraphunit.c (cgraph_optimize): Dump varpool.
11586
11587         2004-10-16  Jan Hubicka  <jh@suse.cz>
11588
11589         * cgraph.c (decide_is_variable_needed): New function.
11590         (cgraph_varpool_finalize_decl): Use it.
11591         * cgraphunit.c (cgraph_optimize): Assemble_pending_decls when not doing
11592         unit-at-a-time.
11593         * final.c (output_addr_const): Do not call mark_referenced.
11594         * passes.c (rest_of_decl_compilation): ifdef out DECL_RTL_SET_P hack;
11595         always go via cgraph.
11596         * toplev.c (wrapup_global_declarations): Kill non-unit-at-a-time code.
11597         (check_global_declarations): Ifdef out code clearing DECL_RTL.
11598         * tree-optimize.c (execute_inline): Mark functions called.
11599         * i386.c (output_pic_addr_const): Do not call mark_decl_referenced.
11600
11601         2004-10-11  Jan Hubicka  <jh@suse.cz>
11602
11603         * cgraph.c (cgraph_varpool_first_unanalyzed_node): New global voriable
11604         (cgraph_varpool_last_needed_node): New static variable.
11605         (enqueue_needed_varpool_node): Break out from ...; add items to the
11606         end of queue; update first pointers.
11607         (cgraph_varpool_mark_needed_node): ... here.
11608         (cgraph_varpool_finalize_decl): Use enqueue_needed_varpool_node.
11609         (cgraph_varpool_assemble_pending_decls): Move to cgraphunit.c
11610         * cgraph.h (cgraph_varpool_node): Add analyzed field.
11611         (cgraph_varpool_first_unanalyzed_node): Declare.
11612         * cgraphunit.c: Include output.h.
11613         (cgraph_varpool_analyze_pending_decls): New function.
11614         (cgraph_varpool_assemble_pending_decls): Move from cgraph.c; bail out
11615         for errors, analyze pending decls.
11616         (cgraph_finalize_compilation_unit): Only analyze decls.
11617         (cgraph_optimize): Assemble the decls after expanding.
11618
11619 2005-03-30  Daniel Berlin  <dberlin@dberlin.org>
11620
11621         * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Make sure
11622         subvars get marked properly in tags for grouping.
11623         (add_pointed_to_var): Mark only actual pointed to
11624         variables/subvars in addresses needed.
11625         (create_overlap_variables_for): Clear call clobbered on original
11626         variable.
11627         * tree-ssa-operands.c (get_asm_expr_operands): Don't let regular
11628         addresable vars with subvars into list.
11629         * tree-ssa.c (verify_ssa_name): Verify original is not used where
11630         subvar should be.
11631
11632 2005-03-30  Richard Henderson  <rth@redhat.com>
11633
11634         * cgraph.h (struct cgraph_node): Add alias.
11635         * varasm.c (assemble_alias): Set it.
11636         * cgraphunit.c (cgraph_assemble_pending_functions): Check it and
11637         avoid calling cgraph_expand_function.
11638
11639 2005-03-30  Tom Tromey  <tromey@redhat.com>
11640
11641         * tree.def (FILE_TYPE): Removed.
11642         * typeclass.h (enum type_class): Removed file_type_class.
11643         * dwarf2out.c (is_base_type): Updated.
11644         (gen_type_die): Likewise.
11645         * dbxout.c (dbxout_type): Updated.
11646         * builtins.c (type_to_class): Updated.
11647         * tree.c (type_contains_placeholder_1): Updated.
11648         * config/sparc/sparc.c (sparc_type_code): Updated.
11649         * config/ia64/ia64.c (hfa_element_mode): Updated.
11650         * expr.c (count_type_elements): Updated.
11651         * stor-layout.c (layout_type): Updated.
11652         * tree-inline.c (remap_type): Updated.
11653         * tree-pretty-print.c (dump_generic_node): Updated.
11654
11655 2005-03-30 Fariborz Jahanian <fjahanian@apple.com>
11656
11657         * builtins.c (expand_builtin_powi): Fix mode of
11658         2nd argument to match int.
11659         * libgcc2.h (__powisf2, __powidf2, __powixf2, __powitf2): Change
11660         2nd argument type to int.
11661         * libgcc2.c: Change prototype of __powi* functions to use
11662         int.
11663
11664 2005-03-30  Dale Johannesen  <dalej@apple.com>
11665
11666         PR middle-end/19225
11667         * calls.c (expand_call):  Flush pending deferrals before
11668         throwing call.
11669
11670 2005-03-30  Joseph S. Myers  <joseph@codesourcery.com>
11671
11672         PR c/772
11673         PR c/17913
11674         * c-tree.h (C_DECL_UNJUMPABLE_STMT_EXPR,
11675         C_DECL_UNDEFINABLE_STMT_EXPR, struct c_label_list, struct
11676         c_label_context, label_context_stack): New.
11677         * c-decl.c (define_label): Check for jumps into statement
11678         expressions.  Add label to list of defined labels.
11679         (start_function): Push context on label_context_stack.
11680         (finish_function): Pop context from label_context_stack.
11681         * c-typeck.c (label_context_stack): New.
11682         (c_finish_goto_label): Check for jumps into statement
11683         expressions.  Add label to list of jumped to labels.
11684         (struct c_switch): Add blocked_stmt_expr.
11685         (c_start_case): Initialize it.
11686         (do_case): Check it.
11687         (c_finish_case): Verify !blocked_stmt_expr.
11688         (c_begin_stmt_expr):  Push context on label_context_stack.
11689         Increment blocked_stmt_expr.  Mark labels jumped to from outside
11690         as undefinable.
11691         (c_finish_stmt_expr): December blocked_stmt_expr.  Mark labels
11692         defined in the statement expression and no longer jumpable to.
11693         Mark labels jumped to from just outside the statement expression
11694         as again definable.  Pop context from label_context_stack.
11695         * doc/extend.texi (Statement Exprs): Update.
11696
11697 2005-03-30  Joseph S. Myers  <joseph@codesourcery.com>
11698
11699         PR c/20368
11700         * c-decl.c (start_function): Check for old_decl being
11701         error_mark_node.
11702
11703 2005-03-30  Ian Lance Taylor  <ian@airs.com>
11704
11705         * final.c (final): Remove prescan parameter.  Change all callers.
11706         (final_scan_insn): Remove prescan parameter.  Change all callers.
11707
11708 2005-03-30  Kazu Hirata  <kazu@cs.umass.edu>
11709
11710         * tree-vectorizer.c: Fix comment typos.
11711
11712 2005-03-30  Sebastian Pop  <pop@cri.ensmp.fr>
11713
11714         * tree-scalar-evolution.c (instantiate_parameters_1): Return
11715         as soon as a chrec_dont_know is detected.
11716
11717 2005-03-31  Danny Smith  <dannysmith@users.sourceforge.net>
11718
11719         Merge from csl-arm-branch.
11720         2004-02-12  Mark Mitchell  <mark@codesourcery.com>
11721
11722         * tlink.c (recompile_files): Do not assume that "rename" can
11723         overwrite an existing file.
11724
11725 2005-03-31  Paolo Bonzini  <bonzini@gnu.org>
11726
11727         * gcc/configure.ac (TL_AC_GNU_MAKE_GCC_LIB_PATH): Remove.
11728         * gcc/configure: Regenerate.
11729
11730 2005-03-30  Alan Modra  <amodra@bigpond.net.au>
11731
11732         * doc/install.texi: Update binutils requirement for powerpc*-linux.
11733
11734         * config/rs6000/rs6000.c (rs6000_arg_partial_bytes): Update comments.
11735
11736         * calls.c (struct arg_data): Update "partial" comment.
11737         (load_register_parameters): Update "nregs" comment.
11738
11739 2005-03-30  Richard Sandiford  <rsandifo@redhat.com>
11740
11741         * config/iq2000/iq2000.h (target_flags, MASK_GPOPT, MASK_EMBEDDED_DATA)
11742         (MASK_UNINIT_CONST_IN_RODATA, TARGET_EMBEDDED_DATA, TARGET_SWITCHES)
11743         (TARGET_DEFAULT, TARGET_CPU_DEFAULT, SUBTARGET_TARGET_OPTIONS)
11744         (TARGET_OPTIONS, iq2000_cpu_string, iq2000_arch_string): Delete.
11745         (TARGET_DEBUG_MODE, TARGET_DEBUG_A_MODE, TARGET_DEBUG_B_MODE)
11746         (TARGET_DEBUG_C_MODE, TARGET_DEBUG_D_MODE): Define to 0 rather
11747         than target_flags & 0.
11748         * config/iq2000/iq2000.c (iq2000_cpu_string, iq2000_arch_string)
11749         (iq2000_arch, iq2000_parse_cpu): Delete.
11750         (TARGET_HANDLE_OPTION): Override default.
11751         (iq2000_handle_option): New function.
11752         (override_options): Remove -march= and -mcpu= handling.
11753         * config/iq2000/iq2000.opt: New file.
11754
11755 2005-03-30  Richard Sandiford  <rsandifo@redhat.com>
11756
11757         * config/c4x/c4x-protos.h (c4x_rpts_cycles, c4x_cpu_version): Delete.
11758         * config/c4x/c4x.h (SMALL_MEMORY_FLAG, MPYI_FLAG, FAST_FIX_FLAG)
11759         (RPTS_FLAG, C3X_FLAG, TI_FLAG, PARANOID_FLAG, MEMPARM_FLAG, DEVEL_FLAG)
11760         (RPTB_FLAG, BK_FLAG, DB_FLAG, DEBUG_FLAG, HOIST_FLAG)
11761         (LOOP_UNSIGNED_FLAG, FORCE_FLAG, PRESERVE_FLOAT_FLAG)
11762         (PARALLEL_INSN_FLAG, PARALLEL_MPY_FLAG, ALIASES_FLAG, C30_FLAG)
11763         (C31_FLAG, C32_FLAG, C33_FLAG, C40_FLAG, C44_FLAG, TARGET_SWITCHES)
11764         (TARGET_DEFAULT, TARGET_SMALL, TARGET_MPYI, TARGET_FAST_FIX)
11765         (TARGET_RPTS, TARGET_TI, TARGET_PARANOID, TARGET_MEMPARM, TARGET_DEVEL)
11766         (TARGET_RPTB, TARGET_BK, TARGET_DB, TARGET_DEBUG, TARGET_HOIST)
11767         (TARGET_LOOP_UNSIGNED, TARGET_FORCE, TARGET_PRESERVE_FLOAT)
11768         (TARGET_PARALLEL, TARGET_PARALLEL_MPY, TARGET_ALIASES)
11769         (c4x_rpts_cycles_string, c4x_cpu_version_string)
11770         (TARGET_OPTIONS): Delete.
11771         (c4x_rpts_cycles, c4x_cpu_version): Declare.
11772         (TARGET_C3X, TARGET_C30, TARGET_C31, TARGET_C32, TARGET_C33)
11773         (TARGET_C40, TARGET_C44): Redefine in terms of c4x_cpu_version.
11774         * config/c4x/c4x.c (c4x_rpts_cycles_string): Delete.
11775         (c4x_cpu_version_string): Delete.
11776         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
11777         (c4x_handle_option): New function.  Map -m3x and -m4x options to the
11778         equivalent -mcpu= option.
11779         (c4x_override_options): Remove -mrpts= and -mcpu= handling from here.
11780         Deal with the extra conditions in the old TARGET_MPYI, TARGET_RPTB,
11781         TARGET_DB, TARGET_PARALLEL and TARGET_PARALLEL_MPY macros by setting
11782         or clearing the appropriate MASK_* bit.
11783         (c4x_file_start): Use c4x_cpu_version.
11784         * config/c4x/c4x.opt: New file.
11785
11786 2005-03-30  Richard Sandiford  <rsandifo@redhat.com>
11787
11788         * doc/options.texi: Document the new MaskExists flag.
11789         * opth-gen.awk: Don't output MASK and TARGET macros for Mask(...)
11790         if the option has the MaskExists flag.
11791
11792 2005-03-30  Richard Sandiford  <rsandifo@redhat.com>
11793
11794         * opt-functions.awk (flag_set_p, test_flag): New functions.
11795         (switch_flags): Use them.
11796         * opth-gen.awk: Use flag_set_p to check for flags.
11797         * optc-gen.awk: Likewise.  Use opt_args to check for Init(...) flags.
11798
11799 2005-03-30  Ian Lance Taylor  <ian@airs.com>
11800
11801         * config.host (i[34567]86-*-mingw32*): Don't set
11802         host_can_use_collect2 to no.
11803
11804 2005-03-30  Alan Modra  <amodra@bigpond.net.au>
11805
11806         PR target/20203
11807         * builtins.c (get_memory_rtx): Expand address exp using EXPAND_NORMAL.
11808         Remove convert_memory_address call duplicating that in memory_address.
11809
11810 2005-03-29  Richard Henderson  <rth@redhat.com>
11811
11812         PR c/20519
11813         * c-decl.c (c_finish_incomplete_decl): Update complete_array_type call.
11814         (build_compound_literal): Likewise.  Propagate decl type into the
11815         initializer.
11816         (finish_decl): Likewise.  Use new return value from complete_array_type
11817         for zero sized arrays.
11818         (complete_array_type): Move ...
11819         * c-common.c (complete_array_type): ... here.  Change first argument
11820         to pointer-to-type-node.  Consistently use sizetype for the index
11821         except for zero sized arrays.  Detect zero sized arrays for pedantic
11822         mode diagnostics.  Create a new type node instead of modifying the
11823         old node in place.
11824         * c-tree.h (complete_array_type): Move decl ...
11825         * c-common.h (complete_array_type): ... here.
11826
11827 2005-03-29  Richard Henderson  <rth@redhat.com>
11828
11829         PR tree-opt/19108
11830         * tree-sra.c (generate_element_init_1): Handle RANGE_EXPR.
11831
11832 2005-03-29  Kazu Hirata  <kazu@cs.umass.edu>
11833
11834         * builtin-types.def, c-convert.c, c-format.c, ddg.c, debug.c,
11835         debug.h, et-forest.c, et-forest.h, gcov.c, rtl-profile.c,
11836         rtlhooks-def.h, rtlhooks.c, sdbout.c, tree-inline.h,
11837         tree-profile.c, tsystem.h, value-prof.h: Update copyright.
11838
11839 2005-03-29  Eric Christopher  <echristo@redhat.com>
11840
11841         * config/mips/mips.c (mips_gimplify_va_arg_expr): Update for
11842         truthvalue conversion removal.
11843
11844 2005-03-29  Ian Lance Taylor  <ian@airs.com>
11845
11846         PR bootstrap/14316
11847         * collect2.c: Never include <vfork.h>.
11848         (VFORK_STRING, vfork): Don't define.
11849         (pid): Remove global variable.
11850         (handler): Call raise instead of kill (getpid(), ...).
11851         (collect_wait): Add pex parameter.  Change all callers.  Use
11852         pex_get_status rather than pwait.
11853         (do_wait): Add pex parameter.  Change all callers.
11854         (collect_execute): Return struct pex_obj * rather than void.  Use
11855         pex routines rather than pexecute.
11856         (fork_execute): Get pex_obj from collect_execute, and pass it to
11857         do_wait.
11858         (scan_prog_file): Use pex routines rather than pipe/vfork/exec.
11859         Only declare quit_handler if SIGQUIT is defined.
11860         (scan_libraries): Likewise.
11861         * collect2.h (collect_execute): Update declaration.
11862         (collect_wait): Update declaration.
11863         * tlink.c (tlink_execute): Get pex_obj from collect_execute, and
11864         pass it to collect_wait.
11865
11866 2005-03-29  Joseph S. Myers  <joseph@codesourcery.com>
11867
11868         PR c/20672
11869         * c-parser.c (c_parser_compound_statement_nostart): Give error
11870         message for EOF instead of just setting parser->error.
11871
11872 2005-03-29  Dorit Naishlos  <dorit@il.ibm.com>
11873
11874         * tree-vectorizer.c (slpeel_update_phi_nodes_for_guard): Removed.
11875         (slpeel_update_phi_nodes_for_guard1): New function.
11876         (slpeel_update_phi_nodes_for_guard2): New function.
11877         (slpeel_tree_peel_loop_to_edge): Call above new functions instead
11878         of slpeel_update_phi_nodes_for_guard.
11879         (vectorize_loops): Remove call to loop_closed_rewrite.
11880         * tree-vect-transform.c (vect_update_ivs_after_vectorizer): Remove
11881         assertion.
11882
11883 2005-03-29  Richard Sandiford  <rsandifo@redhat.com>
11884
11885         * config/m32r/little.h (TARGET_ENDIAN_DEFAULT): Delete.
11886         (TARGET_LITTLE_ENDIAN): New macro.
11887         * config/m32r/m32r.h (SUBTARGET_SWITCHES, target_flags)
11888         (TARGET_RELAX_MASK, TARGET_DEBUG_MASK, TARGET_DEBUG)
11889         (TARGET_ALIGN_LOOPS_MASK, TARGET_ALIGN_LOOPS)
11890         (TARGET_LOW_ISSUE_RATE_MASK, TARGET_LOW_ISSUE_RATE)
11891         (TARGET_BRANCH_COST_MASK, TARGET_BRANCH_COST, TARGET_M32RX_MASK)
11892         (TARGET_M32RX, TARGET_M32R2_MASK, TARGET_M32R2, LITTLE_ENDIAN_BIT)
11893         (TARGET_ENDIAN_DEFAULT, SUBTARGET_SWITCHES, TARGET_DEFAULT)
11894         (TARGET_SWITCHES, m32r_model_string, m32r_sdata_string)
11895         (m32r_cache_flush_trap_string, SUBTARGET_OPTIONS)
11896         (TARGET_OPTIONS): Delete.
11897         (M32R_MODEL_DEFAULT, M32R_SDATA_DEFAULT): Turn into enums.
11898         (CACHE_FLUSH_TRAP): Turn into an integer.
11899         (TARGET_LITTLE_ENDIAN): Define to 0 by default.
11900         (INITIALIZE_TRAMPOLINE): Check m32r_cache_trap >= 0 to see if
11901         -mflush-trap is in use.
11902         * config/m32r/m32r.c (m32r_model_string, m32r_sdata_string)
11903         (m32r_cache_flush_trap_string): Delete.
11904         (m32r_model) Initialize to M32R_MODEL_DEFAULT.
11905         (m32r_sdata): Likewise M32R_SDATA_DEFAULT.
11906         (m32r_cache_trap): Likewise CACHE_FLUSH_TRAP.
11907         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
11908         (m32r_handle_option): New function.  Move -mflush-trap=, -mflush-func=,
11909         -mmodel= and -msdata= handling from...
11910         (m32r_init): ...here.
11911         * config/m32r/m32r.opt: New file.
11912
11913 2005-03-29  Keith Besaw  <kbesaw@us.ibm.com>
11914
11915         * tree-ssanames.c (duplicate_ssa_name_ptr_info): New function.
11916         (duplicate_ssa_name): Call duplicate_ssa_name_ptr_info.
11917         * tree-vect-analyze.c (vect_object_analysis): additional parm
11918         pass back a "struct ptr_info_def *" with the points-to info.
11919         (vect_analyze_data_refs): set the STMT_VINFO_PTR_INFO for the
11920         statement using info returned from vect_object_analysis.
11921         * tree-vect-transform.c (update_vuses_to_preheader): New function.
11922         (vect_create_data_ref_ptr): Remove updates to vars_to_rename
11923         for virtual uses and defs when creating a replacement vector
11924         reference.  Call duplicate_ssa_name_ptr_info to define points-to
11925         info for vector pointer replacement using STMT_VINFO_PTR_INFO.
11926         (vectorizable_store): copy_virtual_operands and update
11927         definition statements.
11928         (vectorizable_load): copy_virtual_operands.  Remove call to
11929         mark_call_clobbered_vars_to_rename for call to "const" builtin.
11930         * tree-vectorizer.c (vectorize_loops): Remove calls to
11931         rewrite_into_ssa and bitmap_clear (vars_to_rename).
11932         (new_stmt_vec_info): initialize STMT_VINFO_PTR_INFO for stmt.
11933         * tree-vectorizer.h (_stmt_vec_info): add field ptr_info and
11934         define macro STMT_VINFO_PTR_INFO for use in accessing.
11935         * tree.h add export of duplicate_ssa_name_ptr_info.
11936         * rs6000.c (altivec_init_builtins): Declare builtin function
11937         __builtin_altivec_mask_for_load to be "const".
11938
11939 2005-03-29  Jakub Jelinek  <jakub@redhat.com>
11940
11941         PR middle-end/20622
11942         * cgraph.h (struct cgraph_varpool_node): Add alias field.
11943         * cgraph.c (cgraph_varpool_assemble_pending_decls): Don't call
11944         assemble_variable on aliases.
11945         * varasm.c (assemble_alias): Set node->alias.
11946         * toplev.c (wrapup_global_declarations): Don't call
11947         rest_of_decl_compilation on aliases again.
11948
11949 2005-03-29  Paul Brook  <paul@codesourcery.com>
11950
11951         * config/arm/arm-protos.h (arm_dbx_register_number): Add prototype.
11952         * config/arm/arm.c (arm_dbx_register_number): New function.
11953         * config/arm/arm.h (IS_FPA_REGNUM, DBX_REGISTER_NUMBER): Define.
11954
11955 2005-03-29  Eric Botcazou  <ebotcazou@libertysurf.fr>
11956
11957         PR middle-end/20263
11958         * varasm.c (make_decl_rtl) [ASM_DECLARE_REGISTER_GLOBAL]: Use
11959         the DECL_NAME, not the DECL_ASSEMBLER_NAME.
11960
11961 2005-03-29  Dale Johannesen <dalej@apple.com>
11962
11963         * Makefile.in (value-prof.o): New dependencies on $(DIAGNOSTIC_H)
11964         $(TREE_H) and $(COVERAGE_H).
11965         * coverage.c (compute_checksum): Use DECL_NAME not DECL_ASSEMBLER_NAME.
11966         * opts.c (common_handle_option): Enable tree-based value transforms.
11967         * toplev.c (process_options): Ditto.
11968         * value-prof.h (struct histogram_value_t): Redefine. "Adjust" below
11969         refers to references to this type.
11970         * tree-flow.h: (struct stmt_ann_d): Add histograms field.
11971         * rtl-profile.c (rtl_gen_interval_profiler): Adjust. Remove checks
11972         for may_be_more, may_be_less.
11973         (rtl_gen_pow2_profiler): Adjust.
11974         (rtl_gen_one_value_profiler_no_edge_manip): Adjust.
11975         (rtl_gen_one_value_profiler): Adjust.
11976         (rtl_gen_const_delta_profiler): Adjust.
11977         * tree-profile.c (tree_gen_interval_profiler): Implement.
11978         (tree_gen_pow2_profiler): Ditto.
11979         (tree_gen_one_value_profiler): Ditto.
11980         (tree_profiling): New.
11981         (pass_tree_profile): Reference it.
11982         * value-prof.c: Include tree-flow.h, tree-flow-inline.h, diagnostic.h,
11983         tree.h, gcov-io.h.
11984         (insn_divmod_values_to_profile): Rename to
11985         rtl_divmod_values_to_profile. Adjust.
11986         (insn_values_to_profile): Rename to rtl_values_to_profile. Adjust.
11987         (insn_prefetch_values_to_profile): Adjust.
11988         (rtl_value_profile_transformations): Adjust.
11989         (gen_divmod_fixed_value): Rename to rtl_divmod_fixed_value.
11990         (gen_mod_pow2): Rename to rtl_mod_pow2.
11991         (gen_mod_subtract): Rename to rtl_mod_subtract.
11992         (divmod_fixed_value_transform): Rename to
11993         rtl_divmod_fixed_value_transform.
11994         (mod_pow2_value_transform): Rename to rtl_mod_pow2_value_transform.
11995         (mod_subtract_transform): Rename to rtl_mod_subtract_transform.
11996         (rtl_find_values_to_profile): Adjust.
11997         (tree_value_profile_transformations): Implement.
11998         (tree_divmod_values_to_profile): New.
11999         (tree_values_to_profile): New.
12000         (tree_divmod_fixed_value): New.
12001         (tree_mod_pow2): New.
12002         (tree_mod_subtract): New.
12003         (tree_divmod_fixed_value_transform): New.
12004         (tree_mod_pow2_value_transform): New.
12005         (tree_mod_subtract_transform): New.
12006         (tree_find_values_to_profile): Implement.
12007         * profile.c (instrument_values):  Free histograms.
12008         (compute_value_histograms): Adjust. Implement tree version.
12009
12010 2005-03-29  Uros Bizjak  <uros@kss-loka.si>
12011
12012         * reg-stack.c (subst_stack_regs_pat): Handle <UNSPEC_FIST> case.
12013         * config/i386/i386.c (output_fix_trunc): Add new round_mode
12014         variable.  Output "fldcw" depending on round_mode.
12015         * config/i386/i386.md (UNSPEC_FIST): New.
12016         (fistdi2, fistdi2_with_temp, fist<mode>2, fist<mode>2_with_temp):
12017         New isns patterns to implement lrint and llrint built-ins as x87
12018         intrinsic function.
12019         (fistdi2, fist<mode>2 splitters): New splitters.
12020         (lrint<mode>2): New expanders.
12021
12022 2005-03-28  Ian Lance Taylor  <ian@airs.com>
12023
12024         * config/arc/arc.c (arc_output_function_epilogue): Pass prescan as
12025         0 when calling final_scan_insn.
12026
12027 2005-03-28  Jan Hubicka  <jh@suse.cz>
12028
12029         PR middle-end/20635
12030         * varasm.c (mark_decl_referenced): Do not mark extern inline functions
12031         as needed.
12032
12033         * tree-inline.c (estimate_num_insns_1): Use declaration to discover argument
12034         types where possible.
12035
12036 2005-03-26  Per Bothner  <per@bothner.com>
12037
12038         Make -f[no-]show-column also control non-cpp diagnostics.
12039         * c.opt (fshow-column): Move option from here ...
12040         * common.opt (fshow-column): ... to here.
12041         * diagnostic.c (diagnostic_build_prefix): Only print column number
12042         if flag_show_column.
12043
12044 2005-03-27  Steven Bosscher  <stevenb@suse.de>
12045
12046         * vax-protos.h (vax_output_int_move, vax_output_int_add,
12047         vax_output_conditional_branch): New prototypes.
12048         * vax.c (vax_output_int_move, vax_output_int_add): New functions,
12049         extracted from vax.md mov and add patterns.
12050         (vax_output_conditional_branch): New function to output conditional
12051         branch instructions.
12052         * vax.md: Use mode macros for arithmetic and mov patterns.
12053         Use code macros for the jump patterns.
12054
12055 2005-03-26  Andrew Pinski  <pinskia@physics.uc.edu>
12056
12057         * Makefile.in (libbackend.o): Depend on version files;
12058         add custom generation command.
12059
12060 2005-03-26  Andrew Pinski  <pinskia@physics.uc.edu>
12061
12062         PR target/20636
12063         * config/rs6000/rs6000.md (extendsfdf2_fpr): Check to make
12064         sure that we have a REG before getting its REGNO.
12065
12066 2005-03-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
12067
12068         * builtin-types.def (BT_FN_STRING_CONST_STRING_SIZE): New.
12069         * builtins.def (BUILT_IN_STRNDUP): New.
12070
12071 2005-03-25  Pat Haugen  <pthaugen@us.ibm.com>
12072
12073         PR tree-optimization/20470
12074         * fold-const.c (fold_cond_expr_with_comparison): Recognize/fold
12075         ABS(x-y).
12076
12077 2005-03-25  Mike Stump  <mrs@apple.com>
12078
12079         * config/darwin.h (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Don't allow 0
12080         sized objects.
12081
12082 2005-03-25  Geoffrey Keating  <geoffk@apple.com>
12083
12084         * config/rs6000/darwin-fallback.c: Don't include <ucontext.h>.
12085         Use our own structure definitions.
12086
12087         * config/rs6000/rs6000.md (UNSPEC constants): Add UNSPEC_STFIWX.
12088         (fix_truncdfsi2): Allow registers or memory as destination.
12089         When TARGET_PPC_GFXOPT, generate simplified pattern.
12090         (fix_truncdfsi2_internal): Use define_insn_and_split.
12091         (fix_truncdfsi2_internal_gfxopt): New.
12092         (fctiwz): Don't confuse register allocation by giving it no choices.
12093         (stfiwx): New.
12094         * config/rs6000/rs6000.h (EXTRA_CONSTRAINT): Add 'Z'.
12095         (EXTRA_MEMORY_CONSTRAINT): Likewise.
12096         * config/rs6000/rs6000.c (indexed_or_indirect_operand): New.
12097         * config/rs6000/rs6000-protos.h (indexed_or_indirect_operand): New.
12098
12099 2005-03-25  Kazu Hirata  <kazu@cs.umass.edu>
12100
12101         * dominance.c (free_dominance_info): Speed up by freeing et
12102         data structures without maintaining other nodes.
12103         * et-forest.c (et_free_tree_force): New.
12104         * et-forest.h: Add a prototype for et_free_tree_force.
12105
12106         * tree.c (get_set_constructor_bits,
12107         get_set_constructor_bytes): Remove.
12108         * tree.h: Remove the corresponding prototypes.
12109
12110 2005-03-25  John David Anglin  <dave.anglin@nrc-crnc.gc.ca>
12111
12112         PR target/15491
12113         * vax.c (vax_rtx_costs_1): Merge with vax_rtx_costs.
12114         (vax_rtx_costs): Return false when passed unsupported rtx's.  Handle
12115         FLOAT_EXTEND, FLOAT_TRUNCATE and TRUNCATE.  Fix costs for POST_INC,
12116         PRE_DEC, NEG and NOT.
12117
12118 2005-03-25  Kazu Hirata  <kazu@cs.umass.edu>
12119
12120         * fold-const.c: Convert uses of fold (build (...)) to
12121         fold_buildN.
12122
12123 2005-03-25  Zdenek Dvorak  <dvorakz@suse.cz>
12124
12125         PR rtl-optimization/20249
12126         * cse.c (insert_regs): Do not record equivalence of registers in
12127         different modes.
12128
12129 2005-03-24  Kazu Hirata  <kazu@cs.umass.edu>
12130
12131         * emit-rtl.c (reverse_comparison): Remove.
12132         * rtl.h: Remove the corresponding prototype.
12133
12134 2005-03-24  James E Wilson  <wilson@specifixinc.com>
12135
12136         * doc/install.texi (--enable-altivec): Delete docs.
12137
12138 2005-03-24  David Edelsohn  <edelsohn@gnu.org>
12139
12140         * config/rs6000/predicates.md (easy_fp_constant): Return 0 for
12141         SFmode and DFmode before reload when
12142         flag_unsafe_math_optimizations not enabled.
12143
12144 2005-03-24  Geoffrey Keating  <geoffk@apple.com>
12145
12146         * c.opt (fvisibility-inlines-hidden): Allow for ObjC++.
12147
12148         * config/i386/darwin.h (TARGET_SUBTARGET_DEFAULT): Add
12149         MASK_128BIT_LONG_DOUBLE, MASK_ALIGN_DOUBLE.
12150
12151 2005-03-24  Nathan Sidwell  <nathan@codesourcery.com>
12152
12153         * configure.ac (enable-checking): Add 'runtime' option.
12154         * doc/install.texi (enable-checking): Document 'runtime' checking.
12155         * tsystem.h (gcc_assert, gcc_unreachable): Define.
12156         * config.in: Regenerated.
12157         * configure: Regenerated.
12158
12159 2005-03-23  Uros Bizjak  <uros@kss-loka.si>
12160
12161         * optabs.h (enum optab_index): Remove OTI_llrint.
12162         (llrint_optab): Remove macro.
12163         * optabs.c (init_optabs): Remove llrint_optab initialization.
12164         * genopinit.c (optabs): Remove llrint_optab implementation.
12165         * builtins.c (expand_builtin_mathfn): Handle BUILT_IN_LLRINT{,F,L}
12166         using lrint_optab.
12167
12168 2005-03-24  Alexandre Oliva  <aoliva@redhat.com>
12169
12170         PR rtl-optimization/20532
12171         * simplify-rtx.c (simplify_binary_operation_1): Protect from
12172         overflow when adding coefficients for PLUS or MINUS.
12173         (simplify_binary_operation_1): Handle CONST_DOUBLE exact power of
12174         two as multiplier.
12175
12176 2005-03-23  Joseph S. Myers  <joseph@codesourcery.com>
12177
12178         * langhooks.h (truthvalue_conversion): Remove.
12179         * langhooks-def.h (LANG_HOOKS_INITIALIZER): Remove
12180         LANG_HOOKS_TRUTHVALUE_CONVERSION.
12181         * system.h (LANG_HOOKS_TRUTHVALUE_CONVERSION): Poison.
12182         * gimplify.c (gimple_boolify): Don't use truthvalue_conversion.
12183         * c-objc-common.h (LANG_HOOKS_TRUTHVALUE_CONVERSION): Remove.
12184
12185 2005-03-23  Kazu Hirata  <kazu@cs.umass.edu>
12186
12187         * params.def: Fix a typo.
12188         * config/mips/mips.c: Follow the spelling convensions.
12189         * doc/invoke.texi: Fix typos.
12190
12191 2005-03-23  Daniel Berlin  <dberlin@dberlin.org>
12192
12193         Fix PR tree-optimization/20601
12194
12195         * tree-ssa-pre.c (insert_aux): Add missing condition to
12196         constification.
12197
12198 2005-03-23  Ian Lance Taylor  <ian@airs.com>
12199
12200         * final.c (final_scan_insn): Don't remove no-op instructions.
12201         * reload1.c (reload): Remove simple no-op instructions even when
12202         not optimizing.
12203
12204 2005-03-23  Dorit Naishlos  <dorit@il.ib.com>
12205
12206         PR tree-optimization/20501
12207         * tree-vect-analyze.c (vect_enhance_data_refs_alignment): Debug print
12208         reporting that peeling for alignment is applied moved to...
12209         * (vect_analyze_data_refs_alignment): Here.
12210
12211 2005-03-23  Ian Lance Taylor  <ian@airs.com>
12212
12213         * reorg.c (dbr_schedule): Remove #if 0 code to call final.
12214
12215 2005-03-23  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
12216
12217         * config.gcc (alpha*-dec-osf[45]*): Remove target_cpu_default.
12218         Define TARGET_SUPPORT_ARCH except on Tru64 UNIX V4.0A.
12219
12220 2005-03-23  Hans-Peter Nilsson  <hp@axis.com>
12221
12222         * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Adjust wording to not
12223         imply that this is called once, independent of asms in code.
12224         Adjust to now being pased output and input lists.  Mention helper
12225         function decl_overlaps_hard_reg_set_p.
12226         * hooks.c (hook_tree_tree_tree_tree_3rd_identity): Rename from
12227         hook_tree_tree_identity and to take three trees, returning third.
12228         * hooks.h (hook_tree_tree_tree_tree_3rd_identity): Adjust the
12229         prototype.
12230         * stmt.c: include hard-reg-set.h before tree.h.
12231         (decl_overlaps_hard_reg_set_p): New function, broken out from...
12232         (decl_conflicts_with_clobbers_p): Call
12233         decl_overlaps_hard_reg_set_p.
12234         (expand_asm_operands): Pass output and input lists in call to
12235         targetm.md_asm_clobbers.
12236         * target-def.h (TARGET_MD_ASM_CLOBBERS): Define as
12237         hook_tree_tree_tree_tree_3rd_identity.
12238         * target.h (struct gcc_target.md_asm_clobbers): Take three tree
12239         parameters.
12240         * tree.h [HARD_CONST] (decl_overlaps_hard_reg_set_p): Prototype.
12241         * config/i386/i386.c (ix86_md_asm_clobbers): Adjust to three
12242         parameters, first two unused.
12243         * config/cris/cris.c (cris_md_asm_clobbers): Adjust to added
12244         parameters.  Only add MOF to clobbers if there's no 'h' mentioned
12245         in constraint letters and MOF is not mentioned as a asm-declared
12246         register in neither of the input and output lists.
12247
12248 2005-03-23  DJ Delorie  <dj@redhat.com>
12249
12250         * optabs.c (expand_binop): Make sure the first subword's result
12251         gets stored.
12252
12253 2005-03-23  Joseph S. Myers  <joseph@codesourcery.com>
12254
12255         * c-common.c (c_common_truthvalue_conversion): Adjust comment.
12256         Call c_common_truthvalue_conversion rather than
12257         lang_hooks.truthvalue_conversion.
12258         * c-convert.c (convert): Call c_objc_common_truthvalue_conversion.
12259         * c-objc-common.c (c_objc_common_truthvalue_conversion): Move to
12260         c-typeck.c.
12261         * c-objc-common.h (LANG_HOOKS_TRUTHVALUE_CONVERSION): Change to
12262         c_common_truthvalue_conversion.
12263         * c-parser.c (c_parser_paren_condition, c_parser_for_statement,
12264         c_parser_conditional_expression, c_parser_binary_expression): Call
12265         c_objc_common_truthvalue_conversion.
12266         * c-typeck.c (build_unary_op): Call
12267         c_objc_common_truthvalue_conversion.
12268         (build_conditional_expr): Do not call
12269         lang_hooks.truthvalue_conversion.
12270         (build_binary_op): Call c_common_truthvalue_conversion.
12271         (c_objc_common_truthvalue_conversion): Moved from
12272         c-objc-common.c.  Call default_function_array_conversion instead
12273         of default_conversion.
12274
12275 2005-03-23  Joseph S. Myers  <joseph@codesourcery.com>
12276
12277         * c-common.h (default_conversion): Remove.
12278         (perform_integral_promotions): Add.
12279         * c-tree.h (default_conversion): Add.
12280         * c-typeck.c (perform_integral_promotions): New, split out from
12281         default_conversion.
12282         * c-common.c (check_case_value): Use perform_integral_promotions,
12283         not default_conversion.
12284         (c_add_case_label): Don't continue processing case label after
12285         found to be pointer.
12286
12287 2005-03-23  Mark Mitchell  <mark@codesourcery.com>
12288
12289         * gcc.c (do_spec_1): Do not add a -L path for a directory in
12290         the prefix list if we have already added a multilib directory
12291         based on that path.
12292         (main): Do not add MD_EXEC_PREFIX to the list of directories to
12293         search with -L.
12294
12295 2005-03-22  Kazu Hirata  <kazu@cs.umass.edu>
12296
12297         * reload1.c (indirect_symref_ok, reload_obstack): Make them
12298         static.
12299         * reload.h: Remove the prototype for indirect_symref_ok.
12300
12301         * reload1.c (indirect_symref_ok): Make it global.
12302         * reload.h: Add a prototype for indirect_symref_ok.
12303
12304 2005-03-22  Kaz Kojima  <kkojima@gcc.gnu.org>
12305
12306         * config/sh/sh.md (ashlhi3): Rename to *ashlhi3_n and add a new
12307         ashlhi3 expander.
12308
12309 2005-03-22  Tobias Schl"uter  <tobias.schlueter@physik.uni-muenchen.de>
12310
12311         * tree.h (DECL_IGNORED_P, DECL_IN_SYSTEM_HEADER): Clarify comments.
12312
12313 2005-03-22  Daniel Berlin  <dberlin@dberlin.org>
12314
12315         * c-opts.c (c_common_parse_file): Only start/end main source file
12316         if debug hooks says the writer wants it.
12317         * dbxout.c (dbx_debug_hooks): Add start_end_main_source_file
12318         member.
12319         (xcoff_debug_hooks): Ditto.
12320         * debug.c (do_nothing_hooks): Ditto.
12321         * debug.h (gcc_debug_hooks): Ditto.
12322         * dwarf2out.c (dwarf2_debug_hooks): Ditto.
12323         * sdbout.c (sdb_debug_hooks): Ditto.
12324         * vmsdbgout.c (vmsdbg_debug_hooks): Ditto.
12325
12326 2005-03-22  Mark Mitchell  <mark@codesourcery.com>
12327
12328         * doc/extend.texi: Deprecate C++ min/max operators.
12329
12330 2005-03-22  Zdenek Dvorak  <dvorakz@suse.cz>
12331
12332         * tree-ssa-loop-ivopts.c (determine_iv_cost): Do not try to preserve
12333         artificial original candidates.
12334
12335 2005-03-22  Richard Guenther <rguenth@tat.physik.uni-tuebingen.de>
12336             Jan Hubicka  <jh@suse.cz>
12337             Steven Bosscher <stevenb@suse.de>
12338
12339         * cgraphunit.c (cgraph_estimate_size_after_inlining): Compute
12340         call cost based on argument sizes.
12341         (cgraph_mark_inline_edge): Avoid inline unit from shrinking by
12342         inlining.
12343         * params.def: (max-inline-inssn-single): Set to 450.
12344         (max-inline-insns-auto): Set to 90.
12345         (max-inline-insns-recursive): Set to 450
12346         (max-inline-insns-recursive-auto): Set to 450.
12347         (large-function-insns): Set to 2700.
12348         (inline-call-cost): New parameter.
12349         * tree-inline.c (estimate_move_cost): New function.
12350         (estimate_num_insns_1): Compute move sizes costs by estimate_move_cost
12351         for non-gimple-regs, set cost to 0 for gimple-regs.  Compute call size
12352         based on arguments.
12353         * tree-inline.h (estimate_move_cost): Declare.
12354         * invoke.texi: (max-inline-inssn-single): Change default to 450.
12355         (max-inline-insns-auto): Change default to 90.
12356         (max-inline-insns-recursive): Change default to 450
12357         (max-inline-insns-recursive-auto): Change default to 450.
12358         (large-function-insns): Change default to 2700.
12359         (inline-call-cost): Document new parameter.
12360
12361 2005-03-22  Richard Sandiford  <rsandifo@redhat.com>
12362
12363         * config/i860/i860.h (target_flags, TARGET_XP, TARGET_SWITCHES)
12364         (TARGET_DEFAULT): Delete.
12365         * config/i860/i860.opt: New file.
12366
12367 2005-03-22  Richard Sandiford  <rsandifo@redhat.com>
12368
12369         * config/frv/frv-protos.h (frv_branch_cost_string, frv_branch_cost_int)
12370         (frv_cpu_string, frv_condexec_insns_str, frv_condexec_insns)
12371         (frv_condexec_temps_str, frv_condexec_temps, frv_sched_lookahead_str)
12372         (frv_sched_lookahead): Delete.
12373         * config/frv/frv.h (MASK_DEFAULT_ALLOC_CC): Move to frv.c.
12374         (target_flags, MASK_GPR_32, MASK_FPR_32, MASK_SOFT_FLOAT)
12375         (MASK_ALLOC_CC, MASK_DWORD, MASK_DOUBLE, MASK_MEDIA, MASK_MULADD)
12376         (MASK_LIBPIC, MASK_ACC_4,  MASK_PACK, MASK_LONG_CALLS)
12377         (MASK_ALIGN_LABELS, MASK_LINKED_FP, MASK_BIG_TLS, MASK_DEBUG_ARG)
12378         (MASK_DEBUG_ADDR, MASK_DEBUG_STACK, MASK_DEBUG, MASK_DEBUG_LOC)
12379         (MASK_DEBUG_COND_EXEC, MASK_NO_COND_MOVE, MASK_NO_SCC)
12380         (MASK_NO_COND_EXEC, MASK_NO_VLIW_BRANCH, MASK_NO_MULTI_CE)
12381         (MASK_FDPIC, MASK_INLINE_PLT, MASK_GPREL_RO, MASK_DEFAULT)
12382         (TARGET_GPR_32, TARGET_FPR_32, TARGET_SOFT_FLOAT, TARGET_ALLOC_CC)
12383         (TARGET_DWORD, TARGET_DOUBLE, TARGET_MEDIA, TARGET_MULADD)
12384         (TARGET_LIBPIC, TARGET_ACC_4, TARGET_DEBUG_ARG, TARGET_DEBUG_ADDR)
12385         (TARGET_DEBUG_STACK, TARGET_DEBUG, TARGET_DEBUG_LOC)
12386         (TARGET_DEBUG_COND_EXEC, TARGET_NO_COND_MOVE, TARGET_NO_SCC)
12387         (TARGET_NO_COND_EXEC, TARGET_NO_VLIW_BRANCH, TARGET_NO_MULTI_CE)
12388         (TARGET_NO_NESTED_CE, TARGET_FDPIC, TARGET_INLINE_PLT, TARGET_BIG_TLS)
12389         (TARGET_GPREL_RO, TARGET_PACK, TARGET_LONG_CALLS, TARGET_ALIGN_LABELS)
12390         (TARGET_LINKED_FP, TARGET_GPR_64, TARGET_FPR_64, TARGET_HARD_FLOAT)
12391         (TARGET_FIXED_CC, TARGET_COND_MOVE, TARGET_SCC, TARGET_COND_EXEC)
12392         (TARGET_VLIW_BRANCH, TARGET_MULTI_CE, TARGET_NESTED_CE, TARGET_ACC_8)
12393         (TARGET_SWITCHES, TARGET_OPTIONS, DEFAULT_CONDEXEC_TEMPS)
12394         (DEFAULT_BRANCH_COST, DEFAULT_CONDEXEC_INSNS): Delete.
12395         * config/frv/frv.c (frv_branch_cost_string, frv_branch_cost_int)
12396         (frv_cpu_string, frv_condexec_insns_str, frv_condexec_insns)
12397         (frv_condexec_temps_str, frv_condexec_temps, frv_sched_lookahead_str)
12398         (frv_sched_lookahead): Delete.
12399         (MASK_DEFAULT_ALLOC_CC): Moved from frv.h.
12400         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
12401         (frv_handle_option): New function.  Move -mcpu= handling from...
12402         (frv_override_options): ...here.  Remove handling of other
12403         TARGET_OPTIONS.
12404         (frv_ifcvt_modify_tests): Check !TARGET_COND_EXEC instead of
12405         TARGET_NO_COND_EXEC and !TARGET_NESTED_CE to TARGET_NO_NESTED_CE.
12406         (frv_ifcvt_modify_multiple_tests): Likewise !TARGET_MULTI_CE
12407         and TARGET_NO_MULTI_CE.
12408         (frv_for_each_packet): Likewise TARGET_NO_VLIW_BRANCH and
12409         !TARGET_VLIW_BRANCH.
12410         * config/frv/frv.opt: New file.
12411
12412 2005-03-22  Kazu Hirata  <kazu@cs.umass.edu>
12413
12414         * fold-const.c (fold_ternary): Take decomposed arguments of
12415         CALL_EXPR.
12416         (fold): Update a call to fold_ternary.
12417
12418         * fold-const.c (fold_build1, fold_build2, fold_build3): New.
12419         * tree.h: Add corresponding prototypes.
12420
12421 2005-03-22  Jakub Jelinek  <jakub@redhat.com>
12422
12423         PR target/20561
12424         * cfglayout.c (reemit_insn_block_notes): Don't put block notes in
12425         between jump table and its label.
12426         * final.c (shorten_branches): Handle notes in between ADDR_VEC
12427         resp. ADDR_DIFF_VEC and the label preceeding it.
12428         (final_scan_insn): Likewise.  Ensure ADDR_VEC resp. ADDR_DIFF_VEC
12429         is emitted in the right section.
12430
12431 2005-03-22  Kazu Hirata  <kazu@cs.umass.edu>
12432
12433         * fold-const.c (fold_unary, fold_binary): Update comments
12434         about arguments.
12435
12436 2005-03-22  Hans-Peter Nilsson  <hp@axis.com>
12437
12438         PR rtl-optimization/20527
12439         * combine.c (can_combine_p) [AUTO_INC_DEC]: When INSN has an
12440         REG_INC note, test that the register also isn't mentioned in PRED
12441         or SUCC.
12442
12443 2005-03-22  Ben Elliston  <bje@au.ibm.com>
12444
12445         * dwarf2out.c (dwarf_type_encoding_name): Remove unused prototype
12446         and definition.
12447
12448 2005-03-21  Mike Stump  <mrs@apple.com>
12449
12450         * varasm.c (default_assemble_visibility): Remove extra ().
12451
12452 2005-03-21  Roger Sayle  <roger@eyesopen.com>
12453
12454         PR middle-end/20557
12455         * bb-reorder.c (duplicate_computed_gotos): Use can_duplicate_block_p
12456         to determine whether a block can be duplicated, rather than test
12457         whether the block contains noncopyable insns ourselves.
12458
12459 2005-03-21  Kazu Hirata  <kazu@cs.umass.edu>
12460
12461         * config/i860/i860.h (PREDICATE_CODES): Remove nonexistent
12462         predicates.
12463
12464 2005-03-21  Richard Sandiford  <rsandifo@redhat.com>
12465
12466         * config/ip2k/ip2k.h (target_flags, TARGET_SWITCHES): Delete.
12467
12468 2005-03-21  Richard Sandiford  <rsandifo@redhat.com>
12469
12470         * config/fr30/fr30.h (TARGET_SMALL_MODEL_MASK, TARGET_SMALL_MODEL)
12471         (TARGET_DEFAULT, target_flags, TARGET_SWITCHES): Delete.
12472         * config/fr30/fr30.opt: New file.
12473
12474 2005-03-18  Daniel Berlin  <dberlin@dberlin.org>
12475
12476         Fix PR tree-optimization/20542
12477
12478         * tree-flow-inline.h (overlap_subvar): Move to here.
12479         * tree-ssa-operands.c: From here.
12480         * tree-flow.h (overlap_subvar): Declare.
12481         * tree-ssa-alias.c (add_pointed_to_var): Use overlap_subvar here.
12482         * tree-ssa-loop-im.c (is_call_clobbered_ref): Return proper answer
12483         for variables with subvars.
12484
12485 2005-03-21 Mostafa Hagog <mustafa@il.ibm.com>
12486
12487         PR middle-end/20177
12488         * ddg.c (create_ddg_dependence): Ignore reg-anti dependency.
12489         * modulo-sched.c (const_iteration_count): Return on NULL
12490         pre-header.
12491         (print_node_sched_params): Return on NULL dump_file.
12492         (generate_reg_moves): Handle reg-anti dependencies and disregard
12493         closing branch when generating register moves.
12494         (sms_schedule): Mark the SMSed block dirty.
12495         * passes.c (rest_of_handle_sms): Call update_life_info for all
12496         basic-blocks.
12497         * testsuite/gcc.dg/20050321-1.c: New test.
12498
12499 2005-03-21  Bob Wilson  <bob.wilson@acm.org>
12500
12501         * config/xtensa/lib1funcs.asm (__mulsi3): Use symbolic name for ACCLO.
12502         * config/xtensa/xtensa.md (movsi_internal, movhi_internal,
12503         movqi_internal): Likewise.
12504
12505 2005-03-21  Bob Wilson  <bob.wilson@acm.org>
12506
12507         * config/xtensa/xtensa-protos.h: (xtensa_simm7, xtensa_uimm8,
12508         xtensa_uimm8x2, xtensa_uimm8x4, xtensa_ai4const, xtensa_lsi4x4,
12509         xtensa_b4const): Delete prototypes.
12510         (xtensa_simm8, xtensa_simm8x256, xtensa_simm12b, xtensa_b4constu,
12511         xtensa_mask_immediate, xtensa_mem_offset): Update prototypes.
12512         (xtensa_b4const_or_zero, xtensa_const_ok_for_letter_p,
12513         xtensa_extra_constraint): New prototypes.
12514         (add_operand, arith_operand, nonimmed_operand, mem_operand,
12515         mask_operand, extui_fldsz_operand, sext_operand, sext_fldsz_operand,
12516         lsbitnum_operand, branch_operand, ubranch_operand, call_insn_operand,
12517         move_operand, const_float_1_operand, fpmem_offset_operand,
12518         branch_operator, ubranch_operator, boolean_operator): Delete prototypes.
12519         * config/xtensa/xtensa.c (b4const_or_zero): Rename to ...
12520         (xtensa_b4const_or_zero): ...this.  Change return type to bool and
12521         argument type to HOST_WIDE_INT.
12522         (xtensa_simm8, xtensa_simm8x256, xtensa_simm12b,
12523         xtensa_mask_immediate): Likewise.
12524         (xtensa_uimm8, xtensa_uimm8x2, xtensa_uimm8x4, xtensa_b4const):
12525         Likewise.  Also make these functions static.
12526         (xtensa_simm7, xtensa_ai4const, xtensa_lsi4x4): Delete.
12527         (xtensa_const_ok_for_letter_p): New.
12528         (add_operand, arith_operand, nonimmed_operand, mem_operand,
12529         mask_operand, extui_fldsz_operand, sext_operand, sext_fldsz_operand,
12530         lsbitnum_operand, branch_operand, ubranch_operand, call_insn_operand,
12531         move_operand, const_float_1_operand, fpmem_offset_operand,
12532         branch_operator, ubranch_operator, boolean_operator): Move to
12533         predicates.md.
12534         (smalloffset_mem_p): Inline code from xtensa_lsi4x4.
12535         (xtensa_mem_offset): Change return type to bool.
12536         (xtensa_extra_constraint): New.
12537         (gen_int_relational): Update type of const_range_p function pointer.
12538         Use xtensa_b4const_or_zero.
12539         * config/xtensa/xtensa.h (CONST_OK_FOR_LETTER_P): Define to
12540         xtensa_const_ok_for_letter_p.  Update comments.
12541         (EXTRA_CONSTRAINT): Define to xtensa_extra_constraint.
12542         (PREDICATE_CODES): Delete.
12543         * config/xtensa/xtensa.md: Include predicates.md.
12544         * config/xtensa/predicates.md: New file.
12545
12546 2005-03-21  Kazu Hirata  <kazu@cs.umass.edu>
12547
12548         * config/v850/v850-protos.h: Remove the prototypes for
12549         reg_or_int9_operand, reg_or_const_operand,
12550         pattern_is_ok_for_prepare, pattern_is_ok_for_dispose,
12551         reg_or_0_operand, reg_or_int5_operand, call_address_operand,
12552         movsi_source_operand, power_of_two_operand,
12553         not_power_of_two_operand, special_symbolref_operand,
12554         pattern_is_ok_for_prologue, pattern_is_ok_for_epilogue, and
12555         register_is_ok_for_epilogue.
12556         * config/v850/v850.c (reg_or_0_operand, reg_or_int5_operand,
12557         reg_or_int9_operand, reg_or_const_operand,
12558         call_address_operand, special_symbolref_operand,
12559         movsi_source_operand, power_of_two_operand,
12560         not_power_of_two_operand, register_is_ok_for_epilogue,
12561         pattern_is_ok_for_epilogue, pattern_is_ok_for_prologue,
12562         pattern_is_ok_for_dispose, pattern_is_ok_for_prepare): Move to
12563         predicates.md.
12564         * config/v850/v850.h (PREDICATE_CODES): Remove.
12565         * config/v850/v850.md: Include predicates.md.
12566         * config/v850/predicates.md: New.
12567
12568 2005-03-21  Zack Weinberg  <zack@codesourcery.com>
12569
12570         * Makefile.in (BASEVER, DEVPHASE, DATESTAMP)
12571         (BASEVER_c, DEVPHASE_c, DATESTAMP_c)
12572         (BASEVER_s, DEVPHASE_s, DATESTAMP_s, version): Set with :=.
12573         (itoolsdir, itoolsdatadir): Move definition above new first use.
12574         (install-itoolsdirs): New rule.
12575         (install-mkheaders): Depend on install-itoolsdirs, not
12576         install-include-dir.
12577
12578 2005-03-21  Kazu Hirata  <kazu@cs.umass.edu>
12579
12580         * tree-into-ssa.c: Remove obsolete comments.
12581
12582 2005-03-21  Richard Guenther  <rguenth@gcc.gnu.org>
12583
12584         * tree-ssa-loop.c (gate_tree_complete_unroll): Run complete
12585         unrolling if -fpeel-loops is specified, too.
12586         * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely):
12587         Remove superfluous check for flag_unroll_loops.
12588
12589 2005-03-21  Uros Bizjak  <uros@kss-loka.si>
12590
12591         * optabs.h (enum optab_index): Add new OTI_lrint and OTI_llrint.
12592         (lrint_optab, llrint_optab): Define corresponding macros.
12593         * optabs.c (init_optabs): Initialize lrint_optab and llrint_optab.
12594         * genopinit.c (optabs): Implement lrint_optab using lrintsi2
12595         pattern and llrint_optab using llrintdi2 patterns.
12596         * builtins.c (expand_builtin_mathfn): Handle BUILT_IN_LRINT{,F,L}
12597         using lrint_optab and BUILT_IN_LLRINT{,F,L} using llrint_optab.
12598         (expand_builtin): Expand BUILT_IN_LRINT{,F,L} and
12599         BUILT_IN_LLRINT{,F,L} using expand_builtin_mathfn if
12600         flag_unsafe_math_optimizations is set.
12601
12602 2005-03-21  Paolo Bonzini  <bonzini@gnu.org>
12603
12604         * combine.c (combine_simplify_rtx, simplify_if_then_else,
12605         simplify_logical, if_then_else_cond, known_cond,
12606         simplify_comparison): Adjust calls to reverse_comparison.
12607         Don't use combine_reversed_comparison_code).
12608         (combine_reversed_comparison_code): Remove.
12609         (reversed_comparison): Using reversed_comparison_code, move it...
12610         * jump.c (reversed_comparison): ... here.
12611         * rtl.h (reversed_comparison): Add prototype.
12612
12613 2005-03-21  Kazu Hirata  <kazu@cs.umass.edu>
12614
12615         * builtins.c (fold_builtin): Take decomposed arguments of
12616         CALL_EXPR.
12617         * fold-const.c (fold_ternary): Update a call to fold_builtin.
12618         * gimplify.c (gimplify_call_expr): Likewise.
12619         * tree-ssa-ccp.c (ccp_fold, ccp_fold_builtin): Likewise.
12620         * tree.h: Update the prototype of fold_builtin.
12621
12622 2005-03-21  Paolo Bonzini  <bonzini@gnu.org>
12623
12624         * rtl.h (struct rtx_hooks): Add gen_lowpart_no_emit.
12625         * rtlhooks.c (gen_lowpart_no_emit_general): New.
12626         * rtlhooks-def.h (gen_lowpart_no_emit_general): Declare.
12627         (RTL_HOOKS_GEN_LOWPART_NO_EMIT): New.
12628         * simplify-rtx.c (simplify_binary_operation_1): Use it.
12629
12630 2005-03-21  Kazu Hirata  <kazu@cs.umass.edu>
12631
12632         * builtins.c (fold_builtin_1): Take decomposed arguments of
12633         CALL_EXPR.
12634         (fold_builtin): Update a call to fold_builtin_1.
12635
12636 2005-03-21  Nathan Sidwell  <nathan@codesourcery.com>
12637
12638         PR other/20564
12639         * gcov.c (output_lines): Only output function block summary when
12640         outputting branch information.
12641         * doc/gcov.texi: Document format of preamble and additional block
12642         information lines.
12643
12644 2005-03-21  Richard Sandiford  <rsandifo@redhat.com>
12645
12646         * libgcc2.h (LIBGCC2_HAS_SF_MODE): New macro.
12647         (LIBGCC2_HAS_DF_MODE, LIBGCC2_HAS_TF_MODE, LIBGCC2_HAS_XF_MODE): Make
12648         the defaults false if BITS_PER_UNIT != 8.
12649         (SFtype, SCtype, __fixsfdi, __floatdisf, __fixunssfSI, __fixunssfDI)
12650         (__powisf2, __divsc3, __mulsc3): Guard with LIBGCC2_HAS_SF_MODE rather
12651         than BITS_PER_UNIT != 8.
12652         (L_fixdfdi, L_fixsfdi, L_fixtfdi, L_fixunsdfdi, L_fixunsdfsi)
12653         (L_fixunssfdi, L_fixunssfsi, L_fixunstfdi, L_fixunsxfdi, L_fixunsxfsi)
12654         (L_fixxfdi, L_floatdidf, L_floatdisf, L_floatditf, L_floatdixf): Remove
12655         #undefs.
12656         * libgcc2.c (__fixunssfDI, __fixsfdi, __floatdisf, __fixunssfSI)
12657         (__powisf2, __divsc3, __mulsc3): Guard with LIBGCC2_HAS_SF_MODE.
12658
12659 2005-03-20  Roger Sayle  <roger@eyesopen.com>
12660
12661         PR middle-end/20539
12662         * fold-const.c (fold_binary): Fix type mismatch between
12663         TRUTH_{AND,OR,XOR}_EXPR nodes an their operands' types.
12664         (fold_binary) <TRUTH_XOR_EXPR>: Avoid calling invert_truthvalue
12665         for non-truth-valued expressions.
12666
12667         * c-common.c (c_common_truthvalue_conversion): Handle ERROR_MARK
12668         and FUNCTION_DECL in the main switch.
12669         <TRUTH_ANDIF_EXPR, TRUTH_ORIF_EXPR, TRUTH_AND_EXPR, TRUTH_OR_EXPR,
12670         TRUTH_XOR_EXPR>: When changing the result type of these tree nodes,
12671         we also need to convert their operands to match.
12672         <TRUTH_NOT_EXPR>: Likewise.
12673
12674 2005-03-21  Joseph S. Myers  <joseph@codesourcery.com>
12675
12676         * c-common.c (lvalue_or_else): Replace by lvalue_error; only give
12677         diagnostic without checking whether an lvalue.
12678         * c-common.h (lvalue_p): Remove.
12679         (enum lvalue_use): Update comment.
12680         (lvalue_or_else): Replace by lvalue_error.
12681         * c-typeck.c (lvalue_p): Make static.
12682         (lvalue_or_else): New.  Call lvalue_error.
12683
12684 2005-03-21  Alan Modra  <amodra@bigpond.net.au>
12685
12686         * config/rs6000/rs6000.c (rs6000_parm_start): New function.
12687         (function_arg_advance): Use rs6000_parm_start.
12688         (function_arg, rs6000_arg_partial_bytes): Likewise.
12689
12690 2005-03-20  Joseph S. Myers  <joseph@codesourcery.com>
12691
12692         * c-common.c (check_case_value): Adjust comment about stripping
12693         NOPs.
12694         (handle_vector_size_attribute): Don't strip NON_LVALUE_EXPR.
12695         * c-typeck.c (default_conversion, convert_arguments,
12696         build_modify_expr, convert_for_assignment, store_init_value,
12697         digest_init): Use STRIP_TYPE_NOPS instead of stripping nops
12698         manually.  Remove inaccurate comments.
12699
12700 2005-03-20  Roger Sayle  <roger@eyesopen.com>
12701             Joseph S. Myers  <joseph@codesourcery.com>
12702
12703         * varasm.c (do_assemble_alias): Restore comment describing function.
12704         Annotate the target parameter as potentially unused.
12705
12706 2005-03-20  Marek Michalkiewicz  <marekm@amelek.gda.pl>
12707
12708         PR target/18551
12709         * config/avr/avr.c (avr_output_function_prologue): Do not use
12710         current_function_name() in a label, use a local label instead.
12711
12712 2005-03-20  David Edelsohn  <edelsohn@gnu.org>
12713
12714         * config/rs6000/rs6000.c (rs6000_generate_compare): Test
12715         flag_finite_math_only, not flag_unsafe_math_optimizations.
12716
12717 2005-03-20  Kazu Hirata  <kazu@cs.umass.edu>
12718
12719         * builtins.c (fold_builtin_1): Update a call to
12720         targetm.fold_builtin.
12721         * hooks.c (hook_tree_tree_bool_null): Rename to
12722         hook_tree_tree_tree_bool_null.  Take one more argument of type
12723         tree.
12724         * hooks.h: Update the prototype of hook_tree_tree_bool_null.
12725         * target-def.h (TARGET_FOLD_BUILTIN): Define it as
12726         hook_tree_tree_tree_bool_null.
12727         * target.h (gcc_target): Update the prototype of fold_builtin.
12728         * config/alpha/alpha.c (alpha_fold_builtin): Take decomposed
12729         arguments of CALL_EXPR.
12730         * doc/tm.texi (TARGET_FOLD_BUILTIN): Update.  Mention the
12731         new prototype.
12732
12733 2005-03-20  Jan Hubicka  <jh@suse.cz>
12734
12735         * cgraph.h (cgraph_node): Add prev_clone pointer.
12736         * cgraph.c (cgraph_remove_node): Remove from doubly linked chain.
12737         (cgraph_clone_node): Produce doubly linked chain.
12738
12739 2005-03-20  Joseph S. Myers  <joseph@codesourcery.com>
12740
12741         * c-common.c (handle_aligned_attribute, check_function_sentinel,
12742         get_nonnull_operand, handle_sentinel_attribute,
12743         check_function_arguments_recurse): Do not strip NOPS from
12744         INTEGER_CSTs.
12745         * c-decl.c (check_bitfield_type_and_width, build_enumerator):
12746         Likewise.
12747         * c-format.c (get_constant): Likewise.
12748         * c-parser.c (c_parser_postfix_expression): Likewise.
12749         * c-typeck.c (set_init_index): Likewise.
12750         (convert_arguments): Don't check for NOP_EXPR containing integer
12751         constant.
12752
12753 2005-03-20  Kazu Hirata  <kazu@cs.umass.edu>
12754
12755         * builtins.c (fold_fixed_mathfn, fold_builtin_trunc,
12756         fold_builtin_floor, fold_builtin_ceil, fold_builtin_lround):
12757         Take decomposed arguments of CALL_EXPR.
12758         (fold_builtin_1): Update calls to the functions mentioned
12759         above.
12760
12761 2005-03-20  Joseph S. Myers  <joseph@codesourcery.com>
12762
12763         * c-decl.c (check_bitfield_type_and_width): Require bit-field
12764         width to have integer type.
12765         (build_enumerator): Require enumerator value to have integer type.
12766
12767 2005-03-19  Joseph S. Myers  <joseph@codesourcery.com>
12768
12769         * doc/extend.texi (__builtin_inf): Move statement about INFINITY
12770         to __builtin_inff.
12771
12772 2005-03-19  Joseph S. Myers  <joseph@codesourcery.com>
12773
12774         * c.opt (ansi, std=iso9899:1990, std=iso9899:1999,
12775         std=iso9899:199x): Correct descriptions.
12776
12777 2005-03-19  Joseph S. Myers  <joseph@codesourcery.com>
12778
12779         * config.gcc: Consistently use solaris2.1[0-9]* instead of
12780         solaris2.1[0-9].
12781
12782 2005-03-19  Kazu Hirata  <kazu@cs.umass.edu>
12783
12784         * builtins.c (fold_builtin_memcpy): Take decomposed arguments
12785         of CALL_EXPR.
12786         (expand_builtin_memcpy, fold_builtin_1): Update calls to
12787         fold_builtin_memcpy.
12788
12789         * builtins.c (fold_trunc_transparent_mathfn): Take decomposed
12790         arguments of CALL_EXPR.
12791         (fold_builtin_trunc, fold_builtin_floor, fold_builtin_ceil,
12792         fold_builtin_found, fold_builtin_1): Update calls to
12793         fold_trunc_transparent_mathfn.
12794
12795 2005-03-19  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
12796
12797         PR middle-end/20493
12798         * fold-const.c (fold_widened_comparison): Don't optimize casts of
12799         function pointers on targets that require function pointer
12800         canonicalization.
12801         (fold_sign_changed_comparison): Likewise.
12802
12803 2005-03-19  Bernd Schmidt  <bernd.schmidt@analog.com>
12804
12805         * combine.c (try_combine): When changing the mode of a hard reg, make
12806         sure that doing so is valid.
12807
12808 2005-03-19  Richard Sandiford  <rsandifo@redhat.com>
12809
12810         * config/avr/avr.c (avr_init_stack, avr_mcu_name): Make static.
12811         (TARGET_HANDLE_OPTION): Override default.
12812         (avr_handle_option): New function.
12813         * config/avr/avr.h (MASK_ALL_DEBUG, MASK_ORDER_1, MASK_INSN_SIZE_DUMP)
12814         (MASK_ORDER_2, MASK_NO_TABLEJUMP, MASK_INT8, MASK_NO_INTERRUPTS)
12815         (MASK_CALL_PROLOGUES, MASK_TINY_STACK, MASK_SHORT_CALLS)
12816         (TARGET_ORDER_1, TARGET_ORDER_2, TARGET_INT8, TARGET_NO_INTERRUPTS)
12817         (TARGET_INSN_SIZE_DUMP, TARGET_CALL_PROLOGUES, TARGET_TINY_STACK)
12818         (TARGET_NO_TABLEJUMP, TARGET_SHORT_CALLS, TARGET_ALL_DEBUG)
12819         (TARGET_SWITCHES, avr_init_stack, avr_mcu_name)
12820         (TARGET_OPTIONS): Delete.
12821         * config/avr/avr.opt: New file.
12822
12823 2005-03-18  2005-03-18  Kazu Hirata  <kazu@cs.umass.edu>
12824
12825         * config/m32r/m32r-protos.h: Remove the prototypes for
12826         call_address_operand, symbolic_operand, seth_add3_operand,
12827         cmp_int16_operand, uint16_operand, reg_or_int16_operand,
12828         reg_or_uint16_operand, reg_or_cmp_int16_operand,
12829         two_insn_const_operand, move_src_operand,
12830         move_double_src_operand, move_dest_operand,
12831         eqne_comparison_operator, signed_comparison_operator,
12832         large_insn_p, conditional_move_operand, carry_compare_operand,
12833         m32r_block_immediate_operand, extend_operand,
12834         reg_or_eq_int16_operand, int8_operand, and
12835         reg_or_zero_operand.
12836         * config/m32r/m32r.c (call_address_operand, symbolic_operand,
12837         seth_add3_operand, int8_operand, cmp_int16_operand,
12838         uint16_operand, reg_or_int16_operand, reg_or_uint16_operand,
12839         reg_or_eq_int16_operand, reg_or_cmp_int16_operand,
12840         reg_or_zero_operand, two_insn_const_operand, move_src_operand,
12841         move_double_src_operand, move_dest_operand,
12842         eqne_comparison_operator, signed_comparison_operator,
12843         extend_operand, small_insn_p, large_insn_p,
12844         conditional_move_operand, carry_compare_operand,
12845         m32r_block_immediate_operand): Move to predicates.md.
12846         (MAX_MOVE_BYTES): Move to m32r.h.
12847         * config/m32r/m32r.h (PREDICATE_CODES): Remove.
12848         * config/m32r/m32r.md: Include predicates.md.
12849         * config/m32r/predicates.md: New.
12850
12851 2005-03-18  James E Wilson  <wilson@specifixinc.com>
12852
12853         PR c++/19769
12854         * dwarf2out.c (declare_in_namespace): Ignore decls with an abstract
12855         origin.
12856
12857 2005-03-18  Kazu Hirata  <kazu@cs.umass.edu>
12858
12859         * config/mn10300/mn10300-protos.h: Remove the prototypes for
12860         call_address_operand, const_8bit_operand.
12861         * config/mn10300/mn10300.c (call_address_operand,
12862         const_8bit_operand, const_1f_operand): Move to predicates.md.
12863         * config/mn10300/mn10300.h (PREDICATE_CODES): Remove.
12864         * config/mn10300/mn10300.md: Include predicates.md.
12865         * config/mn10300/predicates.md: New.
12866
12867 2005-03-18  Joseph S. Myers  <joseph@codesourcery.com>
12868
12869         * c-common.c, c-decl.c, c-format.c, c-typeck.c: Use %D for
12870         declarations in diagnostics and %E for identifiers, not %s.
12871
12872 2005-03-18  Jan Hubicka  <jh@suse.cz>
12873             Dale Johannesen  <dalej@apple.com>
12874
12875         * basic-block.h (scale_bbs_frequencies_int,
12876         scale_bbs_frequencies_gcov_type): Declare.
12877         * cfg.c (RDIV): New macro.
12878         (update_bb_frequency_for_threading): Fix.
12879         * basic-block.h (scale_bbs_frequencies_int,
12880         scale_bbs_frequencies_gcov_type): New.
12881         * cfgloopmanip.c (scale_bbs_frequencies): Kill.
12882         (scale_loop_frequencies, duplicate_loop_to_header_edge): Use
12883         scale_bbs_frequencies_int.
12884         * tree-ssa-loop-ch.c (copy_loop_headers): Fix profiling info.
12885
12886 2005-03-18  Kazu Hirata  <kazu@cs.umass.edu>
12887
12888         * config/m32r/m32r-protos.h: Remove the prototypes for
12889         call_address_operand, symbolic_operand, seth_add3_operand,
12890         cmp_int16_operand, uint16_operand, reg_or_int16_operand,
12891         reg_or_uint16_operand, reg_or_cmp_int16_operand,
12892         two_insn_const_operand, move_src_operand,
12893         move_double_src_operand, move_dest_operand,
12894         eqne_comparison_operator, signed_comparison_operator,
12895         large_insn_p, conditional_move_operand, carry_compare_operand,
12896         m32r_block_immediate_operand, extend_operand,
12897         reg_or_eq_int16_operand, int8_operand, and
12898         reg_or_zero_operand.
12899         * config/m32r/m32r.c (call_address_operand, symbolic_operand,
12900         seth_add3_operand, int8_operand, cmp_int16_operand,
12901         uint16_operand, reg_or_int16_operand, reg_or_uint16_operand,
12902         reg_or_eq_int16_operand, reg_or_cmp_int16_operand,
12903         reg_or_zero_operand, two_insn_const_operand, move_src_operand,
12904         move_double_src_operand, move_dest_operand,
12905         eqne_comparison_operator, signed_comparison_operator,
12906         extend_operand, small_insn_p, large_insn_p,
12907         conditional_move_operand, carry_compare_operand,
12908         m32r_block_immediate_operand): Move to predicates.md.
12909         (MAX_MOVE_BYTES): Move to m32r.h.
12910         * config/m32r/m32r.h (PREDICATE_CODES): Remove.
12911         * config/m32r/m32r.md: Include predicates.md.
12912         * config/m32r/predicates.md: New.
12913
12914         * config/pa/pa-protos.h: Add prototypes for magic_milli and
12915         shadd_constant_p.
12916         * config/pa/pa.c (reg_or_0_operand, call_operand_address,
12917         symbolic_operand, symbolic_memory_operand,
12918         reg_or_0_or_nonsymb_mem_operand, reg_before_reload_operand,
12919         indexed_memory_operand, move_dest_operand, move_src_operand,
12920         prefetch_cc_operand, prefetch_nocc_operand,
12921         reg_or_cint_move_operand, pic_label_operand, fp_reg_operand,
12922         arith_operand, arith11_operand, pre_cint_operand,
12923         post_cint_operan, arith_double_operand, ireg_or_int5_operand,
12924         ireg_operand, int5_operand, uint5_operand, int11_operand,
12925         uint32_operand, arith5_operand, and_operand, ior_operand,
12926         lhs_lshift_operand, lhs_lshift_cint_operand, arith32_operand,
12927         pc_or_label_operand, div_operand, plus_xor_ior_operator,
12928         shadd_operand, movb_comparison_operator,
12929         cmpib_comparison_operator): Move to predicates.md.
12930         (magic_milli, shadd_constant_p): Make it extern.
12931         * config/pa/pa.h (PREDICATE_CODES): Remove.
12932         * config/pa/pa.md: Include predicates.md.
12933         * config/pa/predicates.md: New.
12934
12935         * config/v850/v850.h (PREDICATE_CODES): Remove a nonexistent
12936         predicate.
12937
12938 2005-03-18  Kazu Hirata  <kazu@cs.umass.edu>
12939
12940         * hooks.c, hooks.h, intl.c, opts.h, prefix.c, tree-gimple.c,
12941         config/alpha/ev4.md, config/alpha/ev5.md, config/alpha/ev6.md,
12942         config/alpha/freebsd.h, config/alpha/linux.h,
12943         config/alpha/netbsd.h, config/alpha/osf5.h,
12944         config/alpha/vms.h, config/arc/arc.c, config/arc/arc.h,
12945         config/h8300/h8300-protos.h, config/h8300/h8300.c,
12946         config/h8300/h8300.h, config/ia64/unwind-ia64.c,
12947         doc/cppopts.texi: Update copyright.
12948
12949 2005-03-18  Jan Hubicka  <jh@suse.cz>
12950
12951         PR middle-end/20225
12952         * cgraph.c (cgraph_mark_reachable_node): Assert that it is not called
12953         too late.
12954         * varasm.c (find_decl_and_mark_needed): Mark needed only when not
12955         called too late.
12956
12957 2005-03-18  Kazu Hirata  <kazu@cs.umass.edu>
12958
12959         * tree-into-ssa.c (find_idf): Use VEC_quick_push instead of
12960         VEC_safe_push.
12961
12962 2005-03-18  Paolo Bonzini  <bonzini@gnu.org>
12963
12964         * combine.c (gen_binary): Remove.
12965         (known_cond, simplify_shift_const, find_split_point,
12966         combine_simplify_rtx, simplify_if_then_else, simplify_set,
12967         simplify_logical, expand_field_assignment, extract_left_shift,
12968         force_to_mode, if_then_else_cond, apply_distributive_law,
12969         simplify_and_const_int, simplify_shift_const, gen_lowpart_for_combine,
12970         simplify_comparison, reversed_comparison): Replace with
12971         simplify_gen_binary, simplify_gen_relational or
12972         distribute_and_simplify_rtx.
12973         (distribute_and_simplify_rtx): New function.
12974
12975 2005-03-18  Alexey Neyman  <alex.neyman@auriga.ru>
12976             Paolo Bonzini  <gcc.gnu.org>
12977
12978         * calls.c (setjmp_call_p, special_function_p): Update comments
12979         at the head of the functions.
12980
12981 2005-03-18  Jan Hubicka  <jh@suse.cz>
12982
12983         * tree-cfg.c (fold_cond_expr_cond): Use boolean types for condition.
12984
12985         * cgraph.c (cgraph_remove_node): Avoid loop in code deciding whether
12986         function body should be released; do not proactively release function
12987         bodies in non-unit-at-a-time mode.
12988
12989 2005-03-18  Ralf Corsepius  <ralf.corsepius@rtems.org>
12990
12991         * config/i386/t-rtems-i386 (MULTILIBS): Remove k6, athlon,
12992         mno-fp-ret-in-387 multilib variants.
12993
12994 2005-03-18  Richard Sandiford  <rsandifo@redhat.com>
12995
12996         * common.opt (m): Remove.
12997         * opts.c (handle_option): Pass 'm' options to set_target_switch if
12998         table lookup fails.
12999         (common_handle_option): Remove OPT_m case.
13000
13001 2005-03-18  Kazu Hirata  <kazu@cs.umass.edu>
13002
13003         * builtins.c (fold_builtin_bitop): Take decomposed arguments
13004         of CALL_EXPR.
13005         (fold_builtin_1): Update a call to fold_builtin_bitop.
13006
13007         * builtins.c (fold_builtin_signbit): Take decomposed arguments
13008         of CALL_EXPR.
13009         (fold_builtin_1): Update a call to fold_builtin_signbit.
13010
13011 2005-03-17  Dorit Naishlos  <dorit@il.ibm.com>
13012
13013         PR tree-optimization/20474
13014         * tree-vect-analyze.c (vect_analyze_pointer_ref_access): Check the
13015         size_type of the relevant pointer. Check for COMPLETE_TYPE_P.
13016
13017 2005-03-17  Kazu Hirata  <kazu@cs.umass.edu>
13018
13019         * config/h8300/h8300-protos.h: Remove prototypes for
13020         general_operand_src, general_operand_dst, single_one_operand,
13021         single_zero_operand, call_insn_operand,
13022         two_insn_adds_subs_operand, small_call_insn_operand,
13023         jump_address_operand, bit_operand, bit_memory_operand,
13024         stack_pointer_operand, const_int_gt_2_operand,
13025         const_int_ge_8_operand, const_int_qi_operand,
13026         const_int_hi_operand, incdec_operand, bit_operator,
13027         nshift_operator, eqne_operator, gtle_operator,
13028         gtuleu_operator, iorxor_operator.
13029         Add prototypes for h8sx_shift_type h8sx_classify_shift and
13030         h8300_ldm_stm_parallel.
13031         * config/h8300/h8300.c (h8sx_shift_type,): Move to
13032         h8300-protos.h.
13033         (SYMBOL_FLAG_FUNCVEC_FUNCTION, SYMBOL_FLAG_EIGHTBIT_DATA,
13034         SYMBOL_FLAG_TINY_DATA): Move to h8300.h.
13035         (h8300_ldm_stm_parallel): Make it extern.
13036         (h8300_ldm_parallel, h8300_stm_parallel,
13037         h8300_return_parallel, general_operand_src,
13038         general_operand_dst, h8300_dst_operand, h8300_src_operand,
13039         nibble_operand, reg_or_nibble_operand, single_one_operand,
13040         single_zero_operand, call_insn_operand,
13041         two_insn_adds_subs_operand, small_call_insn_operand,
13042         jump_address_operand, bit_operand, bit_memory_operand,
13043         stack_pointer_operand, const_int_gt_2_operand,
13044         const_int_ge_8_operand, const_int_qi_operand,
13045         const_int_hi_operand, incdec_operand, eqne_operator,
13046         gtle_operator, gtuleu_operator, iorxor_operator, bit_operator,
13047         h8sx_binary_memory_operator, h8sx_unary_memory_operator,
13048         h8sx_unary_shift_operator, h8sx_binary_shift_operator,
13049         nshift_operator): Move to predicates.md.
13050         * config/h8300/h8300.h (PREDICATE_CODES): Remove.
13051         * config/h8300/h8300.md: Include predicates.md.
13052         * config/h8300/predicates.md: New.
13053
13054 2005-03-17  Richard Henderson  <rth@redhat.com>
13055
13056         * config.gcc (ia64*-*-hpux*): Add extra_options.
13057         * config/ia64/hpux.h (SUBTARGET_SWITCHES): Remove.
13058         (TARGET_DEFAULT): Remove MASK_INLINE_FLOAT_DIV_THR.
13059         * config/ia64/ia64.c (ia64_fixed_range_string): Remove.
13060         (ia64_tls_size_string, ia64_tune_string): Remove.
13061         (ia64_tune): Init to PROCESSOR_ITANIUM2.
13062         (TARGET_DEFAULT_TARGET_FLAGS): New.
13063         (TARGET_HANDLE_OPTION): New.
13064         (ia64_override_options): Move options parsing ...
13065         (ia64_handle_option): ... here.  New.
13066         * config/ia64/ia64.h (target_flags, MASK_BIG_ENDIAN, MASK_GNU_AS,
13067         MASK_GNU_LD, MASK_NO_PIC, MASK_VOL_ASM_STOP, MASK_ILP32,
13068         MASK_REG_NAMES, MASK_NO_SDATA, MASK_CONST_GP, MASK_AUTO_PIC,
13069         MASK_INLINE_FLOAT_DIV_LAT, MASK_INLINE_FLOAT_DIV_THR,
13070         MASK_INLINE_INT_DIV_LAT, MASK_INLINE_INT_DIV_THR,
13071         MASK_INLINE_SQRT_LAT, MASK_INLINE_SQRT_THR, MASK_DWARF2_ASM,
13072         MASK_EARLY_STOP_BITS, TARGET_BIG_ENDIAN, TARGET_GNU_AS, TARGET_GNU_LD,
13073         TARGET_NO_PIC, TARGET_VOL_ASM_STOP, TARGET_ILP32, TARGET_REG_NAMES,
13074         TARGET_NO_SDATA, TARGET_CONST_GP, TARGET_AUTO_PIC,
13075         TARGET_INLINE_FLOAT_DIV_LAT, TARGET_INLINE_FLOAT_DIV_THR,
13076         TARGET_INLINE_INT_DIV_LAT, TARGET_INLINE_INT_DIV_THR,
13077         TARGET_INLINE_FLOAT_DIV, TARGET_INLINE_INT_DIV, TARGET_INLINE_SQRT_LAT,
13078         TARGET_INLINE_SQRT_THR, TARGET_INLINE_SQRT, TARGET_DWARF2_ASM,
13079         TARGET_EARLY_STOP_BITS): Remove.
13080         (TARGET_ILP32): Default false.
13081         (TARGET_SWITCHES, SUBTARGET_SWITCHES, TARGET_OPTIONS): Remove.
13082         (enum ia64_inline_type): New.
13083         (TARGET_DEFAULT): Remove MASK_INLINE_FLOAT_DIV_THR.
13084         * config/ia64/ia64.md: Update for new definitions of
13085         TARGET_INLINE_INT_DIV, TARGET_INLINE_FLOAT_DIV, TARGET_INLINE_SQRT.
13086         * config/ia64/ia64.opt: New file.
13087         * config/ia64/ilp32.opt: New file.
13088
13089 2005-03-17  H.J. Lu  <hongjiu.lu@intel.com>
13090
13091         PR target/18380
13092         * config/ia64/unwind-ia64.c (_Unwind_FindTableEntry): Removed.
13093
13094 2005-03-17  Kazu Hirata  <kazu@cs.umass.edu>
13095
13096         * config/h8300/h8300.c (h8300_init_once): Use MASK_H8300S_1
13097         instead of MASK_H8300S.
13098         * config/h8300/h8300.h (target_flags, MASK_H8300S, MASK_MAC,
13099         MASK_INT32, MASK_ADDRESSES, MASK_QUICKCALL, MASK_SLOWBYTE,
13100         MASK_NORMAL_MODE, MASK_RELAX, MASK_H8300H, MASK_ALIGN_300,
13101         MASK_H8300SX, TARGET_INT32, TARGET_ADDRESSES,
13102         TARGET_QUICKCALL, TARGET_SLOWBYTE, TARGET_H8300H,
13103         TARGET_H8300XS, TARGET_NORMAL_MODE, TARGET_ALIGN_300,
13104         TARGET_SWITCHES): Remove.
13105         (TARGET_H8300S): Redefine interms of TARGET_H8300S_1 and
13106         TARGET_H8300SX.
13107         * config/h8300/h8300.opt: New.
13108
13109         * config/alpha/alpha.opt, config/arc/arc.opt,
13110         config/h8300/h8300.opt, config/mips/mips.opt: Add copyright
13111         notices.
13112
13113 2005-03-17  Ian Lance Taylor  <ian@airs.com>
13114
13115         * gmon.c: Remove.
13116
13117 2005-03-17  Richard Sandiford  <rsandifo@redhat.com>
13118
13119         * config/arc/arc.c (arc_cpu_string): Make static.  Default to "base"
13120         (arc_text_string, arc_data_string, arc_rodata_string): Make static.
13121         (TARGET_HANDLE_OPTION): Override default.
13122         (arc_handle_option): New function.
13123         (arc_init): Remove code to set arch_cpu_string.
13124         * config/arc/arc.h (target_flags, TARGET_MASK_MANGLE_CPU)
13125         (TARGET_MANGLE_CPU, TARGET_MASK_MANGLE_CPU_LIBGCC)
13126         (TARGET_MANGLE_CPU_LIBGCC, TARGET_MASK_ALIGN_LOOPS, TARGET_ALIGN_LOOPS)
13127         (TARGET_MASK_BIG_ENDIAN, TARGET_BIG_ENDIAN, TARGET_MASK_NO_COND_EXEC)
13128         (TARGET_NO_COND_EXEC, TARGET_SWITCHES, TARGET_DEFAULT)
13129         (SUBTARGET_SWITCHES, arc_cpu_string, arc_text_string, arc_data_string)
13130         (arc_rodata_string, TARGET_OPTIONS): Delete.
13131         * config/arc/arc.opt: New file.
13132
13133 2005-03-17  Richard Henderson  <rth@redhat.com>
13134
13135         * doc/extend.texi (Weak Pragmas): New section.
13136         (attribute alias): Clarify that target must be in the same
13137         translation unit.
13138
13139 2005-03-17  Richard Henderson  <rth@redhat.com>
13140
13141         * config/alpha/alpha.opt: New file.
13142         * config/alpha/alpha.c (alpha_tune): New.  Rename all existing uses
13143         of alpha_cpu.
13144         (alpha_cpu_string, alpha_tune_string, alpha_tp_string,
13145         alpha_fprm_string, alpha_fptm_string): Make static.
13146         (alpha_tls_size_string): Remove.
13147         (alpha_handle_option): New.
13148         (override_options): Update for alpha_cpu/alpha_tune split.
13149         (alpha_file_start): Likewise.
13150         (TARGET_DEFAULT_TARGET_FLAGS): New.
13151         (TARGET_HANDLE_OPTION): New.
13152         * config/alpha/alpha.h (alpha_tune): Declare.
13153         (MASK_FP, MASK_FPREGS, TARGET_FPREGS, MASK_GAS, TARGET_GAS,
13154         MASK_IEEE_CONFORMANT, TARGET_IEEE_CONFORMANT, MASK_IEEE, TARGET_IEEE,
13155         MASK_IEEE_WITH_INEXACT, TARGET_IEEE_WITH_INEXACT, MASK_BUILD_CONSTANTS,
13156         TARGET_BUILD_CONSTANTS, MASK_FLOAT_VAX, TARGET_FLOAT_VAX, MASK_BWX,
13157         TARGET_BWX, MASK_MAX, TARGET_MAX, MASK_FIX, TARGET_FIX, MASK_CIX,
13158         TARGET_CIX, MASK_EXPLICIT_RELOCS, TARGET_EXPLICIT_RELOCS,
13159         MASK_SMALL_DATA, TARGET_SMALL_DATA, MASK_TLS_KERNEL, TARGET_TLS_KERNEL,
13160         MASK_SMALL_TEXT, TARGET_SMALL_TEXT, MASK_LONG_DOUBLE_128,
13161         TARGET_LONG_DOUBLE_128, MASK_CPU_EV5, TARGET_CPU_EV5, MASK_CPU_EV6,
13162         TARGET_CPU_EV6, MASK_SUPPORT_ARCH): Remove.
13163         (TARGET_SWITCHES, TARGET_OPTIONS): Remove.
13164         (TARGET_DEFAULT): Remove MASK_FP.
13165         (TARGET_FP): Redefined based on TARGET_SOFT_FP.
13166         (TARGET_SUPPORT_ARCH): Default on if HAVE_AS_EXPLICIT_RELOCS.
13167         (alpha_cpu_string, alpha_tune_string, alpha_fprm_string,
13168         alpha_fptm_string, alpha_tp_string, alpha_mlat_string,
13169         alpha_tls_size_string): Remove.
13170         * config/alpha/alpha.md (prefetch): Use alpha_cpu.
13171         (attribute tune): Rename from attribute cpu.
13172         * config/alpha/ev4.md: Update to match.
13173         * config/alpha/ev5.md, config/alpha/ev6.md: Likewise.
13174         * config/alpha/freebsd.h (TARGET_DEFAULT): Remove MASK_FP.
13175         * config/alpha/linux.h (TARGET_DEFAULT): Likewise.
13176         * config/alpha/netbsd.h (TARGET_DEFAULT): Likewise.
13177         * config/alpha/osf5.h (TARGET_DEFAULT): Likewise.
13178         * config/alpha/vms.h (TARGET_DEFAULT): Likewise.
13179
13180 2005-03-16  James E. Wilson  <wilson@specifixinc.com>
13181
13182         * config/ia64/ia64.c (issue_nops_and_insn): Check first_insn attribute,
13183         and return without creating new state if before_nops_num is nonzero.
13184         * config/ia64/ia64.md (first_insn): New attribute.
13185         (alloc): Set it to yes.
13186
13187 2005-03-16  Daniel Berlin  <dberlin@dberlin.org>
13188
13189         * tree-vectorizer.c (new_vec_stmt_info): Initialize
13190         STMT_VINFO_SUBVARS to NULL.
13191         * tree-vect-analyze.c (vect_analyze_data_refs): Ditto.
13192
13193 2005-03-16 Dale Johannesen  <dalej@apple.com>
13194
13195         * rtlanal.c (find_first_parameter_load):  Rewrite to
13196         return actual first param load or the call if none,
13197         instead of first in block, when not all loads exist.
13198
13199 2005-03-16  Roger Sayle  <roger@eyesopen.com>
13200
13201         * optabs.c (expand_copysign_absneg): Make static.
13202         * optabs.h (expand_copysign_absneg): Delete prototype.
13203         * config/rs6000/rs6000.md (copysigntf3): Delete pattern.
13204
13205 2005-03-16  Richard Henderson  <rth@redhat.com>
13206
13207         PR middle-end/15700
13208         * varasm.c (struct alias_pair): Rename from struct output_def_pair.
13209         (alias_pairs): Rename from output_defs.
13210         (find_decl_and_mark_needed): Split out from assemble_alias.
13211         (do_assemble_alias): New.
13212         (assemble_output_def): Remove.
13213         (finish_aliases_1, finish_aliases_2): New.
13214         (process_pending_assemble_output_defs): Remove.
13215         (assemble_alias): Defer aliases for which we don't yet have a
13216         non-external decl for the target symbol.
13217         * passes.c (rest_of_decl_compilation): Register variables with cgraph.
13218         * cgraphunit.c (cgraph_finalize_compilation_unit): Use finish_aliases_1.
13219         * toplev.c (compile_file): Use finish_aliases_2 instead of
13220         process_pending_assemble_output_defs.
13221         * tree.h (finish_aliases_1, finish_aliases_2): Declare.
13222         (process_pending_assemble_output_defs): Remove.
13223
13224 2005-03-16  Daniel Berlin  <dberlin@dberlin.org>
13225
13226         Fix PR tree-optimization/20489
13227
13228         * tree-ssa-alias.c (push_fields_onto_fieldstack): DTRT
13229         for empty structures.
13230
13231 2005-03-16  Daniel Berlin  <dberlin@dberlin.org>
13232
13233         Fix PR tree-optimization/20490
13234
13235         * tree-ssa-pre.c (create_expression_by_pieces): Use
13236         force_gimple_operand on result of fold.
13237
13238 2005-03-16  Andrew Pinski  <pinskia@physics.uc.edu>
13239
13240         * config/i386/emmintrin.h (_mm_extract_epi16): Correct the number
13241         of closing parenthesis.
13242
13243 2005-03-16  Kazu Hirata  <kazu@cs.umass.edu>
13244
13245         * builtins.c (expand_movstr): Update a call to
13246         fold_builtin_strcpy.
13247         (expand_builtin_strncpy): Update a call to
13248         fold_builtin_strncpy.
13249         (fold_builtin_strcpy, fold_builtin_strncpy): Take decomosed
13250         arguments of CALL_EXPR.
13251         (fold_builtin_1): Update calls to fold_builtin_strcpy and
13252         fold_builtin_strncpy.
13253         * tree-ssa-ccp.c (ccp_fold_builtin): Likewise.
13254         * tree.h: Update the prototypes of fold_builtin_strcpy and
13255         fold_builtin_strncpy.
13256
13257 2005-03-16  Steven Bosscher  <stevenb@suse.de>
13258             Dorit Naishlos  <dorit@il.ibm.com>
13259
13260         * tree-vect-analyze.c (vect_enhance_data_refs_alignment): Copy
13261         UNITS_PER_SIMD_WORD to a local variable to avoid a "division by zero"
13262         error.
13263
13264 2005-03-16  Steven Bosscher  <stevenb@suse.de>
13265
13266         * tree-inline.c (walk_type_fields, walk_tree,
13267         walk_tree_without_duplicates): Move from here...
13268         * tree.c: ...to here.
13269
13270 2005-03-15  Zack Weinberg  <zack@codesourcery.com>
13271
13272         * BASE-VER, DATESTAMP, DEV-PHASE: New files.
13273         * Makefile.in (gcc_version, gcc_version_trigger, ): Delete.
13274         (BASEVER, DEVPHASE, DATESTAMP, BASEVER_c, DEVPHASE_c, DATESTAMP_c)
13275         (BASEVER_s, DEVPHASE_s, DATESTAMP_s): New variables.
13276         (version): Define using $(BASEVER_c).
13277         (Makefile, config.status, build/gcov-iov.o): No longer depends on
13278         version.c.
13279         (version.o): Depend on version files; add custom generation command.
13280         (prefix.o): Define BASEVER on command line.
13281         (s-iov): Depend on version files; adjust command.
13282         (TEXI_CPP_FILES, TEX_IGCC_FILES, TEXI_GCCINT_FILES, TEXI_CPPINT_FILES):
13283         Add gcc-vers.texi.
13284         (gcc-vers.texi): New rule.
13285         (doc/%.info, doc/%.dvi): Add -I . to command line.
13286         (doc/gccinstall.dvi): Likewise.
13287         (PACKAGE): Delete.  All uses replaced with "gcc".
13288         * aclocal.m4: Do not include gcc-version.m4.
13289         * configure.ac: Do not invoke TL_AC_GCC_VERSION.
13290         Do not AC_SUBST nor AC_DEFINE PACKAGE or VERSION.
13291         Set is_release based on contents of DEV-PHASE.
13292         Set gcc_version based on contents of BASE-VER.
13293         Define WIN32_REGISTRY_KEY only if the user overrode the default.
13294         * config.in, configure: Regenerate.
13295         * gccbug.in: Determine version of GCC in use at runtime.
13296         * gcov-iov.c: Get version number and development phase from
13297         command line, not by including version.c.
13298         * intl.c: Replace all uses of PACKAGE with "gcc".
13299         * libada-mk.in: Delete unused "gcc_version" variable.
13300         * prefix.c: Default WIN32_REGISTRY_KEY to BASEVER.
13301         * version.c: (VERSUFFIX): New hook for redistributors; adjust
13302         commentary to match.
13303         (version_string): Put together from pieces.
13304         * config/alpha/x-vms: Do not use $(gcc_version).
13305         * config/i386/t-nwld: Likewise.
13306         * doc/include/gcc-common.texi: Include gcc-vers.texi for
13307         version-GCC and DEVELOPMENT.
13308
13309 2005-03-15  Roger Sayle  <roger@eyesopen.com>
13310
13311         PR tree-optimization/17454
13312         * tree.c (tree_size): Add case for TREE_BINFO.
13313         * fold-const.c (fold_checksum_tree): Only clear the overloaded
13314         field TYPE_CACHED_VALUES if TYPE_CACHED_VALUES_P is set.
13315
13316 2005-03-15  Roger Sayle  <roger@eyesopen.com>
13317
13318         * optabs.c (expand_doubleword_mult): Avoid clobbering op0 and
13319         op1 whilst expanding the signed widenening multiply variant.
13320
13321 2005-03-15  Richard Sandiford  <rsandifo@redhat.com>
13322
13323         * toplev.c (display_target_options): Avoid unused variable warning if
13324         TARGET_SWITCHES and TARGET_OPTIONS are both undefined.
13325         * config/mips/mips.c (mips_arch_string, mips_tune_string): Make static.
13326         (mips_isa_string, mips_abi_string, mips_fix_vr4130_string): Delete.
13327         (mips_isa): Initialize to MIPS_ABI_DEFAULT.
13328         (mips_isa_info): New variable.
13329         (mips_parse_cpu): Remove the first argument and leave the caller
13330         to report errors.
13331         (TARGET_HANDLE_OPTION): Override default.
13332         (mips_handle_option): New function.  Move option validation code from...
13333         (override_options): ...here.  Update calls to mips_parse_cpu.
13334         * config/mips/mips.h (mips_arch_string, mips_tune_string)
13335         (mips_isa_string, mips_abi_string, TARGET_OPTIONS)
13336         (SUBTARGET_TARGET_OPTIONS): Delete.
13337         * config/mips/mips.opt (mabi=, march=, mflush-func=, mips)
13338         (mno-flush-func, mtune=): New options.
13339
13340 2005-03-15  Roger Sayle  <roger@eyesopen.com>
13341             Richard Henderson  <rth@redhat.com>
13342
13343         * real.c (c4x_single_format, c4x_extended_format): Provide values
13344         for signbit_ro for c4x's single and extended floating point formats.
13345         * optabs.c (expand_copysign): Use the floating point format's
13346         signbit_ro for expanding via expand_copysign_absneg, and it's
13347         signbit_rw field for expanding via expand_copysign_bit.
13348
13349 2005-03-15  Dorit Naishlos  <dorit@il.ibm.com>
13350
13351         * tree-vectorizer.h (unknown_alignment_for_access_p): Replaced by
13352         known_alignment_for_access_p.
13353         (known_alignment_for_access_p): New.
13354         (do_peeling_for_alignment): Field made int instead of bool and renamed
13355         to peeling_for_alignment.
13356         (LOOP_DO_PEELING_FOR_ALIGNMENT): Renamed to LOOP_PEELING_FOR_ALIGNMENT.
13357         * tree-vect-analyze.c (vect_determine_vectorization_factor): New. This
13358         functionality used to be in vect_analyze_operations.
13359         (vect_analyze_operations): Code to determine vectorization factor was
13360         moved to vect_determine_vectorization_factor.
13361         (vect_enhance_data_refs_alignment): Update to correct alignment when it
13362         is known instead of -1.  Set LOOP_PEELING_FOR_ALIGNMENT to peeling
13363         factor.
13364         (vect_analyze_loop): Call vect_determine_vectorization_factor (used to
13365         be part of vect_analyze_operations).
13366         * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Use fold when
13367         creating the guard condition, as the number of iterations may be
13368         constant.
13369         (slpeel_tree_peel_loop_to_edge): Use new name of
13370         LOOP_DO_PEELING_FOR_ALIGNMENT. Set it to 0 instead of false.
13371         * tree-vect-transform.c (vect_gen_niters_for_prolog_loop): Handle known
13372         alignment case more efficiently. Use LOOP_PEELING_FOR_ALIGNMENT.
13373         (vect_do_peeling_for_alignment): Use fold.
13374         (vect_transform_loop): Use new name of LOOP_DO_PEELING_FOR_ALIGNMENT.
13375
13376         (vect_update_inits_of_dr): Renamed to
13377         vect_update_init_of_dr.
13378         (vect_update_inits_of_drs): Use new name of vect_update_inits_of_dr.
13379         (vectorizable_store): Fix assertion to use == instead of =.
13380
13381 2005-03-15  Daniel Jacobowitz  <dan@codesourcery.com>
13382
13383         * config/arm/arm.h (CONDITIONAL_REGISTER_USAGE): Don't clear
13384         call_used_regs for wCG registers.
13385
13386 2005-03-15  Ulrich Weigand  <uweigand@de.ibm.com>
13387
13388         * config/s390/s390.c (s390_secondary_output_reload_class): Adapt check
13389         for non-offsettable memory references to cope with outstanding reload
13390         replacements, take 2.
13391
13392 2005-03-15  Uros Bizjak  <uros@kss-loka.si>
13393
13394         PR target/18668
13395         * config/i386/i386.h (x86_fisttp): New.
13396         (TARGET_FISTTP): New macro.
13397         * config/i386/i386.c (x86_fisttp): Set for NOCONA.
13398         (output_fix_trunc): Add fisttp parameter.  Generate fisttp x87
13399         instruction when fisttp flag is set.
13400         * config/i386/i386-protos.h (output_fix_trunc): Change declaration.
13401
13402         * config/i386/i386.md (type attribute): Add fisttp.
13403         (unit attribute): Set to i387 for fisttp type.
13404         (X87MODEF, X87MODEI, SSEMODEF, SSEMODEI24): New mode macros.
13405         (fix_truncxfdi2, fix_truncxfsi2): Generate fisttp patterns for
13406         TARGET_FISTTP.
13407         (fix_truncdfdi2, fix_truncsfdi2, fix_truncdfsi2, fix_truncsfsi2):
13408         Generate fisttp patterns for TARGET_FISTTP. Implement using mode
13409         macros.
13410         (fix_truncxfhi2, fix_truncdfhi2, fix_truncsfhi2): Generate fisttp
13411         patterns for TARGET_FISTTP.  Enable patterns for
13412         (TARGET_FISTTP && !TARGET_SSE_MATH). Implement using mode macros.
13413         (fix_trunc<mode>_i387_fisttp_1, fix_trunc<mode>_i387_fisttp,
13414         fix_trunc<mode>_i387_fisttp_with_temp): New instruction patterns to
13415         implement fisttp x87 insn.
13416         (fix_trunc*_i387_fisttp splitters): New patterns.
13417         (*fix_truncdi_i387, *fix_truncsi_i387, *fix_trunchi_i387):
13418         Rename to *fix_trunc<mode>_i387_1.  Implement using mode macros.
13419         Disable patterns for TARGET_FISTTP.  Add comment about FLAGS_REG
13420         clobber.
13421         (fix_truncdi_memory, fix_truncdi_nomemory, fix_trunchi_nomemory):
13422         Rename to fix_trunc<mode>_i387 and fix_trunc<mode>_i387_with_temp.
13423         Implement using mode macros. Disable patterns for TARGET_FISTTP.
13424         (fix_truncsi_memory, fix_truncsi_nomemory, fix_trunchi_memory,
13425         fix_trunchi_nomemory): Rename to fix_trunc<mode>_i387 and
13426         fix_trunc<mode>_i387_with_temp. Implement using mode macros.
13427         Disable patterns for TARGET_FISTTP.
13428         (fix_trunc*_i387 splitters): Implement usign mode macros.
13429         (fix_truncdfdi_sse, fix_truncsfdi_sse, fix_truncdfsi_sse,
13430         fix_truncsfsi_sse): Disable for (TARGET_FISTTP && !TARGET_SSE_MATH).
13431         (fix_trunx*_sse peephole2s): Implement using mode macros.
13432
13433 2005-03-15  J"orn Rennecke <joern.rennecke@st.com>
13434
13435         PR rtl-optimization/20291
13436         * combine.c (try_combine): If splitting fails, re-try with
13437         original combined pattern, i.e. before clobber stripping.
13438
13439 2005-03-14  Eric Christopher  <echristo@redhat.com>
13440
13441         * config/mips/mips.h (DWARF_CIE_DATA_ALIGNMENT): Change for
13442         STACK_GROWS_DOWNWARD.
13443
13444 2005-03-14  Roger Sayle  <roger@eyesopen.com>
13445
13446         * real.h (struct real_format): Split the signbit field into two
13447         two fields, signbit_ro and signbit_rw.
13448         * real.c (ieee_single_format, mips_single_format, ieee_double_format,
13449         mips_double_format, ieee_extended_motorola_format,
13450         ieee_extended_intel_96_format, ieee_extended_intel_96_round_53_format,
13451         ieee_extended_intel_128_format, ibm_extended_format,
13452         mips_extended_format, ieee_quad_format, mips_quad_format,
13453         vax_f_format, vax_d_format, vax_g_format, i370_single_format,
13454         i370_double_format, c4x_single_format, c4x_extended_format,
13455         real_internal_format): Update initializers for new field.
13456         * builtins.c (expand_builtin_signbit): Use signbit_ro field of the
13457         real_format structure.
13458         * optabs.c (expand_absneg_bit, expand_copysign): Use signbit_rw
13459         field of the real_format structure.
13460
13461 2005-03-14  Daniel Berlin <dberlin@dberlin.org>
13462
13463         Fix PR tree-optimization/20458
13464
13465         * tree-flow-inline.h (mark_call_clobbered): Don't fiddle
13466         DECL_EXTERNAL on STRUCT_FIELD tags.
13467         (clear_call_clobbered): Ditto.
13468         * tree-ssa-operands.c (note_addressable): Make sure the original
13469         variable doesn't slip into the addressable list if we have
13470         subvars.
13471         * tree-tailcall.c (suitable_for_tail_opt_p): Look at STRUCT_FIELD
13472         tags too.
13473
13474 2005-03-14  Geoffrey Keating  <geoffk@apple.com>
13475
13476         * doc/cppopts.texi (-fexec-charset): Add concept index entry.
13477         (-fwide-exec-charset): Likewise.
13478         (-finput-charset): Likewise.
13479         * doc/invoke.texi (Warning Options): Document -Wnormalized=.
13480         * c-opts.c (c_common_handle_option): Handle -Wnormalized=.
13481         * c.opt (Wnormalized): New.
13482
13483 2005-03-14  Devang Patel  <dpatel@apple.com>
13484
13485         * doc/invoke.texi: Add reference to Visibility document.
13486
13487 2005-03-14  Richard Sandiford  <rsandifo@redhat.com>
13488
13489         * config.gcc (mips*-*-*): Rename MASK_SPLIT_ADDRS to
13490         MASK_SPLIT_ADDRESSES.
13491         * config/mips/mips.h (target_flags, mips_fix_vr4130_string): Delete.
13492         (MASK_INT64, MASK_LONG64, MASK_SPLIT_ADDR, MASK_NO_FUSED_MADD)
13493         (MASK_EXPLICIT_RELOCS, MASK_MEMCPY, MASK_SOFT_FLOAT)
13494         (MASK_FLOAT64, MASK_ABICALLS, MASK_XGOT, MASK_LONG_CALLS)
13495         (MASK_64BIT, MASK_EMBEDDED_DATA, MASK_BIG_ENDIAN)
13496         (MASK_SINGLE_FLOAT, MASK_MAD, MASK_4300_MUL_FIX, MASK_MIPS16)
13497         (MASK_NO_CHECK_ZERO_DIV, MASK_BRANCHLIKELY)
13498         (MASK_UNINIT_CONST_IN_RODATA, MASK_FIX_R4000, MASK_FIX_R4400)
13499         (MASK_FIX_SB1, MASK_FIX_VR4120, MASK_VR4130_ALIGN)
13500         (MASK_FP_EXCEPTIONS, MASK_DIVIDE_BREAKS, MASK_PAIRED_SINGLE)
13501         (MASK_MIPS3D, MASK_SYM32, MASK_DEBUG, MASK_DEBUG_D)
13502         (MASK_MIPS_TFILE, TARGET_INT64, TARGET_LONG64, TARGET_FLOAT64)
13503         (TARGET_64BIT, TARGET_SPLIT_ADDRESSES, TARGET_DEBUG_MODE)
13504         (TARGET_DEBUG_D_MODE, TARGET_MEMCPY, TARGET_ABICALLS)
13505         (TARGET_XGOT, TARGET_SOFT_FLOAT, TARGET_HARD_FLOAT)
13506         (TARGET_LONG_CALLS, TARGET_EMBEDDED_DATA)
13507         (TARGET_UNINIT_CONST_IN_RODATA, TARGET_BIG_ENDIAN)
13508         (TARGET_SINGLE_FLOAT, TARGET_DOUBLE_FLOAT, TARGET_MAD)
13509         (TARGET_FUSED_MADD, TARGET_4300_MUL_FIX, TARGET_CHECK_ZERO_DIV)
13510         (TARGET_DIVIDE_TRAPS, TARGET_BRANCHLIKELY, TARGET_FIX_SB1)
13511         (TARGET_FIX_R4000, TARGET_FIX_R4400, TARGET_FIX_VR4120)
13512         (TARGET_FIX_VR4130, TARGET_VR4130_ALIGN, TARGET_FP_EXCEPTIONS)
13513         (TARGET_PAIRED_SINGLE_FLOAT, TARGET_MIPS3D, TARGET_SYM32)
13514         (TARGET_EXPLICIT_RELOCS): Delete.
13515         (TARGET_SWITCHES, SUBTARGET_TARGET_SWITCHES): Delete.
13516         (TARGET_OPTIONS): Remove entry for -mfix-vr4130.
13517         * config/mips/mips.c (TARGET_DEFAULT_TARGET_FLAGS): Define.
13518         (override_options): Set MASK_LONG64 if -mint64 is given and no
13519         -mlongXX option is.  Complain about -mint64 -mlong32.
13520         (override_options, CMP_BUILTINS, mips_bdesc, sb1_desc): Rename
13521         MASK_PAIRED_SINGLE to MASK_PAIRED_SINGLE_FLOAT.
13522         * config/mips/mips.opt: New file.
13523
13524 2005-03-14  Richard Sandiford  <rsandifo@redhat.com>
13525
13526         * config.gcc (extra_options): New variable for listing option files.
13527         Add ${cpu_type}/${cpu_type}.opt to it if that file exists.
13528         * configure.ac (extra_opt_files): New AC_SUBST variable.
13529         (tm_file_list, tm_include_list): Include options.h first.
13530         * configure: Regenerate.
13531         * Makefile.in (extra_opt_files, ALL_OPT_FILES): New variables.
13532         (s-options): Use $(ALL_OPT_FILES) instead of $(lang_opt_files)
13533         (s-options-h): New rule.
13534         (options.h): Depend on it.
13535         (TEXI_GCCINT_FILES): Add options.texi.
13536         * hooks.h (hook_bool_size_t_constcharptr_int_true): Declare.
13537         * hooks.c (hook_bool_size_t_constcharptr_int_true): New function.
13538         * target.h (gcc_target): Add default_target_flags and handle_option.
13539         * target-def.h (TARGET_DEFAULT_TARGET_FLAGS)
13540         (TARGET_HANDLE_OPTION): New macros.
13541         (TARGET_INITIALIZER): Include them.
13542         * opt-functions.awk (opt_args, nth_arg): New functions.
13543         (switch_flags): Handle the "Target" flag.
13544         (var_args): Delete.
13545         (var_name): Use opt_args and nth_arg.
13546         (var_set, var_ref): Likewise.  Handle "Mask" and "InverseMask".
13547         * opth-gen.awk: Declare target_flags.  Declare MASK_* and TARGET_*
13548         macros for the "Mask" and "InverseMask" options.
13549         * opts.h (cl_var_cond): New enum.
13550         (cl_option): Replace the "has_set_value" and "set_value" fields with
13551         "var_cond" and "var_value".
13552         (CL_TARGET): New macro.
13553         (option_enabled, print_filtered_help): Declare.
13554         (decode_options): Move definition.
13555         * opts.c (handle_option): Search for the original option before
13556         removing any "no-" prefix.  Handle CL_TARGET.  Adjust for the new
13557         var_cond and var_value fields.  Use targetm.handle_option to handle
13558         target options.
13559         (decode_options): Set target_flags to targetm.default_target_flags.
13560         (print_filtered_help): Make global.  Handle CL_TARGET.
13561         (option_enabled): New function.
13562         * toplev.c (target_switches): Guard with #ifdef TARGET_SWITCHES.
13563         (display_target_options, set_target_switch, print_switch_values)
13564         (default_pch_valid_p): Guard uses of target_switches with
13565         #ifdef TARGET_SWITCHES.  Also...
13566         (display_target_options): Display the CL_TARGET entries in cl_options.
13567         (set_target_option): Don't complain about the "" option when
13568         TARGET_SWITCHES is undefined.
13569         (print_switch_values): Use option_enabled.
13570         (default_pch_valid_p): Check cl_options[] when looking for something
13571         that has changed the value of target_flags.
13572         * c.opt: Remove documentation from top of file.
13573         * doc/gccint.texi: Add an "Options" chapter.  Include options.texi.
13574         * doc/sourecebuild.texi: Refer to the new options documentation
13575         instead of c.opt.  Document machine-specific .opt files.
13576         * doc/tm.texi (target_flags): Say that this variable is declared
13577         by options.h.
13578         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Document.
13579         (TARGET_SWITCHES, TARGET_OPTIONS): Refer to the option files as
13580         an alternative.
13581         * doc/options.texi: New file.
13582
13583 2005-03-14  Alexandre Oliva  <aoliva@redhat.com>
13584
13585         PR middle-end/18628
13586         * cse.c (fold_rtx_mem): Don't fold a load from a jumptable into a
13587         register.
13588
13589 2005-03-14  Alexandre Oliva  <aoliva@redhat.com>
13590
13591         PR c++/20280
13592         * gimplify.c (gimplify_cond_expr): Add fallback argument.  Use a
13593         temporary variable of pointer type if an lvalues is required.
13594         (gimplify_modify_expr_rhs): Request an rvalue from it.
13595         (gimplify_expr): Pass fallback on.
13596
13597 2005-03-14  Kazu Hirata  <kazu@cs.umass.edu>
13598
13599         * cfgbuild.c: Update comments.
13600
13601 2005-03-14  Roger Sayle  <roger@eyesopen.com>
13602
13603         PR rtl-optimization/17236
13604         * optabs.c (expand_doubleword_mult): New helper function split out
13605         from expand_binop.  Permute the order in which instructions are
13606         emitted to minimize the number of simultaneously live registers.
13607         (expand_binop): Call expand_doubleword_mult to synthesize a double
13608         word multiplication.
13609
13610 2005-03-14  Kazu Hirata  <kazu@cs.umass.edu>
13611
13612         * basic-block.h: Update the prototypes of cached_make_edge and
13613         rtl_make_eh_edge.
13614         * cfg.c (cached_make_edge): Take edge_cache representing one
13615         row of the adjacency matrix of edges.
13616         * cfgbuild.c (make_label_edge, rtl_make_eh_edge): Likewise.
13617         (make_edges): Initialize edge_cache to represent one row of
13618         the adjacency matrix of edges.
13619
13620 2005-03-14  Zdenek Dvorak  <dvorakz@suse.cz>
13621
13622         * tree-ssa-phiopt.c (minmax_replacement, blocks_in_phiopt_order):
13623         New functions.
13624         (tree_ssa_phiopt): Use blocks_in_phiopt_order and minmax_replacement.
13625         Remove unused removed_phis variable.
13626         (conditional_replacement): Use build1/build2.
13627         (abs_replacement): Use last_and_only_stmt and build1/build2.
13628
13629 2005-03-14  Zdenek Dvorak  <dvorakz@suse.cz>
13630
13631         * builtin-attrs.def (ATTR_NOVOPS, ATTR_NOVOPS_LIST,
13632         ATTR_PURE_NOTHROW_NOVOPS_LIST): New.
13633         * builtins.def (ATTR_MATHFN_FPROUNDING): Use NOVOPS.
13634         (BUILT_IN_PREFETCH): Set the NOVOPS attribute.
13635         * c-common.c (handle_novops_attribute): New function.
13636         (c_common_attribute_table): Add "no vops" entry.
13637         * c-decl.c (merge_decls): Copy DECL_IS_NOVOPS.
13638         * calls.c (flags_from_decl_or_type): Set ECF_NOVOPS.
13639         * tree-ssa-operands.c (get_call_expr_operands): Do not
13640         create virtual operands for calls with ECF_NOVOPS flag.
13641         * tree.h (DECL_IS_NOVOPS): New macro.
13642         (struct tree_decl): Add novops_flag.
13643         (ECF_NOVOPS): New constant.
13644
13645 2005-03-14  Uros Bizjak  <uros@kss-loka.si>
13646
13647         PR target/17688
13648         * config/i386/i386.c (x86_use_himode_fiop): New.
13649         (x86_use_simode_fiop): Rename from x86_use_fiop.
13650         * config/i386/i386.h (x86_use_himode_fiop): Declare.
13651         (TARGET_USE_HIMODE_FIOP): New.
13652         (x86_use_simode_fiop): Rename from x86_use_fiop.
13653         (TARGET_USE_SIMODE_FIOP): Rename from TARGET_USE_FIOP.
13654
13655         * config/i386/i386.md (X87MODEI12): New mode macro define.
13656         (*cmpfp_<mode>): Rename from *cmpfp_si.  Use X87MODEI12 mode macro
13657         to implement x87 FP compare with HImode input operands.
13658         (*fp_jcc_8<mode>_387, splitter): Rename from *fp_jcc_8_387.
13659         Use X87MODEI12 mode macro to handle HImode input operands.
13660         (*fop_sf_2<mode>_i387, *fop_sf_3<mode>_i387, *fop_df_2<mode>_i387,
13661         *fop_df_3<mode>_i387, *fop_xf_2<mode>_i387, *fop_xf_3<mode>_i387):
13662         Renamed from *fop_sf_2_i387, *fop_sf_3_i387, *fop_df_2_i387,
13663         *fop_df_3_i387, *fop_xf_2_i387, *fop_xf_3_i387. Use X87MODEI12 mode
13664         macro to implement x87 operators with HImode input operands.
13665         (fop splitters): Use X87MODEI12 mode macro to handle HImode
13666         input operands.
13667
13668 2005-03-14  Zdenek Dvorak  <dvorakz@suse.cz>
13669
13670         * tree-cfg.c (find_taken_edge_cond_expr): Use zero_p instead of
13671         integer_zerop.
13672         * tree-gimple.c (is_gimple_min_invariant): Consider overflowed
13673         constants invariant.
13674
13675 2005-03-14  Zdenek Dvorak  <dvorakz@suse.cz>
13676
13677         * basic-block.h (BB_VISITED): Removed.
13678         * cfganal.c (dfs_enumerate_from): Do not use BB_VISITED flag.
13679
13680 2005-03-14  Falk Hueffner  <falk@debian.org>
13681
13682         PR bootstrap/20424
13683         * config/alpha/alpha.c (alpha_fold_builtin_cmpbge): Fix typo.
13684
13685 2005-03-14  Kazu Hirata  <kazu@cs.umass.edu>
13686
13687         * ggc-zone.c: Fix comment typos.
13688
13689         * alloc-pool.c, except.h, ggc-common.c, ggc-zone.c, ggc.h,
13690         stringpool.c, config/mips/mips-protos.h: Update copyright.
13691
13692 2005-03-14  Alan Modra  <amodra@bigpond.net.au>
13693
13694         * config/rs6000/rs6000-protos.h: Replace "struct rtx_def *"
13695         throughout with its typedef, "rtx".
13696         * config/rs6000/rs6000.c: Likewise.  Formatting fixes.
13697         (rs6000_tls_symbol_ref_1): Remove inline keyword.
13698         * config/rs6000/rs6000.h (REG_ALLOC_ORDER): Formatting.  Reorder
13699         regs in comment to match code.
13700
13701 2005-03-14  Kazu Hirata  <kazu@cs.umass.edu>
13702
13703         * except.c (check_handled): Make it static.
13704         * except.h: Remove the corresponding prototype.
13705
13706         * function.c (get_func_frame_size): Make it static.
13707         * function.h: Remove the corresponding type.
13708
13709         * regclass.c (reg_class_superclasses, reg_class_subclasses):
13710         Make them static.
13711         * hard-reg-set.h: Remove the corresponding declarations.
13712
13713         * tree-cfg.c (verify_stmts): Check that
13714         bb_for_stmt (stmt) == bb for every PHI node and statement.
13715
13716 2005-03-14  Alan Modra  <amodra@bigpond.net.au>
13717
13718         * config.gcc: Remove excess indentation.
13719         (powerpc*-*-*, rs6000-*-*): Accept --with-cpu/tune power5 and 8548.
13720
13721 2005-03-13  Roger Sayle  <roger@eyesopen.com>
13722
13723         PR middle-end/19331
13724         * tree.c (get_unwidened): Treat CONVERT_EXPR and NOP_EXPR identically.
13725         * fold-const.c (fold_sign_changed_comparison): Likewise.
13726         (fold_binary): Optimize comparisons against widened operands if
13727         the extension is represented by a CONVERT_EXPR, same as a NOP_EXPR.
13728
13729 2005-03-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
13730
13731         * config/sparc/sparc.c (struct_value_alias_set): New global variable.
13732         (sparc_override_options): Initialize it.
13733         (sparc_struct_value_rtx): Set it on the MEM to be returned.
13734
13735 2005-03-13  David Edelsohn  <edelsohn@gnu.org>
13736
13737         * config/rs6000/predicates.md (mem_or_easy_const_operand): Delete.
13738         (reg_or_none500mem_operand): New predicate.
13739         (zero_reg_mem_operand): New predicate.
13740         * config/rs6000/rs6000.md (extendsfdf2): Change operand1 predicate
13741         to reg_or_none500mem_operand.
13742         (extendsfdf2_fpr): Add MEM alternative.
13743         (extenddftf2_internal): Change operand2 predicate to
13744         zero_reg_mem_operand.
13745
13746 2005-03-13  Daniel Jacobowitz  <dan@codesourcery.com>
13747
13748         * ggc-zone.c: Rewritten.
13749
13750         * alloc-pool.c (dump_alloc_pool_statistics): Don't print statistics
13751         if there are none.
13752         * configure.ac: Define GGC_ZONE for --with-gc=zone.
13753         * config.in: Regenerated.
13754         * configure: Regenerated.
13755         * gengtype.c (write_types_process_field, write_func_for_structure):
13756         Pass new argument to gt_pch_note_object.
13757         * ggc-common.c (struct ptr_data): Add TYPE.
13758         (gt_pch_note_object): Take TYPE argument and save it.
13759         (call_count): Update call to ggc_pch_count_object.
13760         (call_alloc): Update call to ggc_pch_alloc_object.
13761         (gt_pch_save): Call ggc_pch_prepare_write after paddng the PCH
13762         file.
13763         * ggc-none.c (rtl_zone, garbage_zone, ggc_alloc_zone_stat): Delete.
13764         * ggc-page.c (rtl_zone, tree_zone, garbage_zone)
13765         (ggc_alloc_zone_stat): Delete.
13766         (ggc_pch_count_object, ggc_pch_alloc_object): Add TYPE argument.
13767         * ggc.h (gt_pch_note_object, ggc_pch_count_object)
13768         (ggc_pch_alloc_object): Update prototypes.
13769         (garbage_zone): Delete.
13770         (tree_zone, rtl_zone, ggc_alloc_zone_stat, ggc_alloc_zone): Move to
13771         GGC_ZONE conditional.  Update.  Change tree_zone and rtl_zone into
13772         pointers.
13773         (tree_id_zone): New variable.
13774         (ggc_alloc_cleared_zone): Remove unused.
13775         (ggc_alloc_zone): Define.
13776         (ggc_alloc_rtvec, ggc_alloc_tree): Update to use ggc_alloc_zone.
13777         * rtl.c (rtx_alloc_stat, shallow_copy_rtx_stat): Use
13778         ggc_alloc_zone_stat.
13779         * stringpool.c (gt_pch_n_S): Update call to gt_pch_note_object.
13780         * tree.c (copy_node_stat, make_tree_binfo_stat, make_tree_vec_stat)
13781         (tree_cons_stat, build1_stat): Update call to ggc_alloc_zone_stat.
13782         (make_node_stat): Likewise.  Use tree_id_zone.
13783
13784 2005-03-13  Daniel Jacobowitz  <dan@codesourcery.com>
13785             Joseph S. Myers  <joseph@codesourcery.com>
13786
13787         * configure.ac: Check for MIPS TLS.
13788         * configure: Regenerated.
13789         * config/mips/mips-protos.h (enum mips_symbol_type): Add
13790         SYMBOL_TLS, SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL,
13791         SYMBOL_GOTTPREL, and SYMBOL_TPREL.
13792         * config/mips/mips.c (mips_regno_to_class): Handle V1_REG.
13793         (TARGET_HAVE_TLS, TARGET_CANNOT_FORCE_CONST_MEM): Define.
13794         (mips_classify_symbol, mips_symbolic_constant_p)
13795         (mips_symbolic_address_p, mips_symbol_insns): Handle TLS symbols.
13796         (mips_tls_operand_p, mips_call_tls_get_addr)
13797         (mips_legitimize_tls_address, mips_cannot_force_const_mem)
13798         (mips_tls_symbol_ref_1): New functions.
13799         (mips_legitimize_address, mips_legitimize_const_move): Call
13800         mips_legitimize_tls_address.
13801         (override_options): Handle V1_REG and TLS symbols.  Disable TLS
13802         for MIPS16.
13803         * config/mips/mips.h (enum reg_class, REG_CLASS_NAMES)
13804         (REG_CLASS_CONTENTS, GR_REG_CLASS_P): Include V1_REG.
13805         (mips_char_to_class): Document V1_REG.
13806         (HAVE_AS_TLS): Provide default.
13807         * config/mips/mips.md (UNSPEC_TLS_LDM, UNSPEC_TLS_GET_TP): New
13808         constants.
13809         (load_got<mode>): Renamed from *load_got<mode>.  Allow when
13810         !TARGET_ABICALLS.
13811         (tls_get_tp_<mode>): New instruction.
13812
13813 2005-03-13  Daniel Jacobowitz  <dan@codesourcery.com>
13814
13815         * configure.ac: Update checks for target tools.
13816         * configure: Regenerated.
13817
13818 2005-03-13  Daniel Jacobowitz  <dan@codesourcery.com>
13819
13820         * varasm.c (decl_tls_model): Check flag_shlib instead of flag_pic.
13821
13822 2005-03-13  Roger Sayle  <roger@eyesopen.com>
13823
13824         * expmed.c (expand_mult): Use synthetic multiplication sequences for
13825         more classes of DImode multiplication by constant.  Allow both
13826         multiplication by small negative constants (by performing a
13827         multiplication by a positive constant and negating the result) and
13828         multiplications by large powers of two, by using a left shift.
13829
13830 2005-03-13  Kazu Hirata  <kazu@cs.umass.edu>
13831
13832         * tree-into-ssa.c (find_idf): Speed up by putting the indexes
13833         of basic blocks into work_stack.
13834
13835         * builtin-attrs.def, c-lex.c, c-pragma.h, reg-stack.c,
13836         config/mips/vr.h: Update copyright.
13837
13838         * c-decl.c (c_init_decl_processing): Remove useless calls to
13839         build_function_type.
13840
13841         * builtins.c (fold_trunc_transparent_mathfn,
13842         fold_fixed_mathfn, fold_builtin_atan, fold_builtin_trunc,
13843         fold_builtin_floor, fold_builtin_ceil, fold_builtin_round,
13844         fold_builtin_lround, fold_builtin_bitop, fold_builtin_memcpy,
13845         fold_builtin_strcpy, fold_builtin_strncpy,
13846         fold_builtin_signbit): Use TYPE (TYPE (fndecl)) instead of
13847         TREE_TYPE (exp).
13848
13849         * builtins.c (expand_builtin_mathfn_3): Remove local variable
13850         before_call.
13851
13852         * lambda-code.c (lambda_compute_auxillary_space): Remove local
13853         variable determinant.
13854
13855         * tree-cfg.c (group_case_labels): Remove local variable type.
13856
13857         * tree-ssa-live.c (build_tree_conflict_graph): Remove local
13858         variable ann.
13859
13860         * tree-ssa-phiopt.c (value_replacement): Remove local variable
13861         result.
13862
13863 2005-03-13  Andy Hutchinson  <HutchinsonAndy@netscape.net>
13864
13865         PR target/18251
13866         * config/avr/avr.md (movmemhi): Rewrite as RTL loop.
13867         (*movmemqi_insn): Delete.
13868         (*movmemhi): Delete.
13869
13870 2005-03-13  Kazu Hirata  <kazu@cs.umass.edu>
13871
13872         * builtins.c (fold_builtin_classify): Take decomposed
13873         arguments of CALL_EXPR.
13874         (fold_builtin_1): Update a call to fold_builtin_classify.
13875
13876 2005-03-13  Joseph S. Myers  <joseph@codesourcery.com>
13877
13878         PR c/20402
13879         * c-parser.c (c_parser_struct_or_union_specifier): Don't fall
13880         through into call to parser_xref_tag after parse error.
13881         (c_parser_struct_declaration): Consistently return NULL_TREE on
13882         error.
13883
13884 2005-03-12  Daniel Berlin  <dberlin@dberlin.org>
13885
13886         * tree-flow-inline.h (ref_contains_array_ref): New function.
13887         (lookup_subvars_for_var): Ditto.
13888         (get_subvars_for_var): Ditto.
13889         (var_can_have_subvars): Ditto.
13890
13891         * tree-flow.h (mem_tag_kind): Add STRUCT_FIELD.
13892         (struct subvar): New type.
13893
13894         * tree-dfa.c (okay_component_ref_for_subvars): New function.
13895
13896         * tree-optimize.c (init_tree_optimization_passes): Call
13897         pass_create_structure_vars.
13898
13899         * tree-ssa-alias.c: Include vec.h.
13900         (init_alias_info): Don't auto-clear call clobbered on struct-field
13901         tags.
13902         (compute_flow_insensitive_aliasing): Handle subvars.
13903         (group_aliases): Handle STRUCT_FIELD aliases.
13904         (setup_pointers_and_addressables): Ditto.
13905         Don't mark variables non-addressable if they still have
13906         addressable subvars.
13907         Also mark subvars addressable when the real variable is marked
13908         addressable.
13909         (add_pointed_to_var): Try to prune the pointed-to set by only
13910         pointing to subvars when possible.
13911         Otherwise, make sure we set addresses_needed and pt_vars to
13912         properly include subvars.
13913         (bitpos_of_field): New function.
13914         (push_fields_onto_fieldstack): Ditto.
13915         (get_or_create_used_part_for): Ditto.
13916         (create_overlap_variables_for): Ditto.
13917         (find_used_portions): Ditto.
13918         (create_structure_vars): Ditto.
13919         (pass_create_structure_vars): New structure.
13920
13921         * tree-ssa-operands.c (finalize_ssa_v_must_defs): Remove assert.
13922         (get_expr_operands): Handle subvars.  Also try to turn
13923         COMPONENT_REF accesses into must-defs now that we can accurately
13924         portray it.
13925         (note_addressable): Try to only mark as addressable those subvars
13926         we know a COMPONENT_REF touches.
13927         (overlap_subvar): New function.
13928
13929         * tree-vect-analyze.c (vect_object_analysis): Add new parameter.
13930         Handle subvar storing.
13931         (vect_address_analysis): Update caller of vect_object_analysis.
13932
13933         * tree-vect-transform.c (vect_create_data_ref_ptr): Copy subvars.
13934
13935         * tree-vectorizer.h (struct _stmt_vec_info): Add subvars member.
13936         (STMT_VINFO_SUBVARS): New macro.
13937
13938         * common.opts: add flag_tree_salias.
13939
13940         * opts.c (decode_options): flag_tree_salias defaults to on.
13941
13942         * doc/invoke.texi: Document fdump-tree-svars and -ftree-salias.
13943
13944         * doc/tree-ssa.texi: Document structural alias analysis.
13945
13946 2005-03-12  Steven Bosscher  <stevenb@suse.de>
13947
13948         * tree-cfg.c (make_goto_expr_edges): Don't use error_mark_node.
13949         * tree-ssa-dce.c (mark_stmt_necessary): Don't check for it.
13950         * tree-ssa-operands.c (get_expr_operands): Likewise.
13951         (get_expr_operands): Likewise for ERROR_MARK.
13952
13953 2005-03-12  Kazu Hirata  <kazu@cs.umass.edu>
13954
13955         * tree-ssa.c (kill_redundant_phi_nodes): Remove local variable
13956         var.
13957
13958         * tree-ssa-phiopt.c (tree_ssa_phiopt): Remove local variable
13959         removed_phis.
13960
13961         * tree-ssa-pre.c (compute_avail): Remove local variable val.
13962         (mark_operand_necessary): Remove local variable ver.
13963
13964         * tree-vect-transform.c (vect_get_new_vect_var): Remove local
13965         variable prefix_len.
13966
13967         * value-prof.c (mod_subtract_transform): Remove local variable
13968         value.
13969
13970         * builtins.c (fold_builtin_exponent): Take decomposed
13971         arguments of CALL_EXPR.
13972         (fold_builtin_1): Update a call to fold_builtin_exponent.
13973
13974         * builtins.c (fold_builtin_logarithm): Take decomposed
13975         arguments of CALL_EXPR.
13976         (fold_builtin_1): Update a call to fold_builtin_logarithm.
13977
13978         * c-decl.c (c_init_decl_processing): Remove local variables
13979         ptr_ftype_void and ptr_ftype_ptr.
13980
13981         * gimplify.c (gimplify_expr): Remove local variables r0 and
13982         r1.
13983
13984         * reg-stack.c (move_for_stack_reg): Remove local variable
13985         push_insn.
13986         (compare_for_stack_reg): Remove local variable flags_user.
13987         (convert_regs_1): Remove local variable deleted.
13988
13989         * tree-if-conv.c (tree_if_convert_cond_expr): Remove local
13990         variable new_cond.
13991         (combine_blocks): Remove local variables exits and new_e.
13992
13993         * tree-inline.c (expand_call_inline): Remove local variable
13994         decl.
13995
13996         * tree-ssa-live.c (create_ssa_var_map,
13997         calculate_live_on_entry): Remove local variable snn.
13998
13999 2005-03-12  Geoffrey Keating  <geoffk@apple.com>
14000
14001         * c-lex.c (c_lex_with_flags): Add parameter to call to
14002         cpp_spell_token.
14003
14004 2005-03-11  Per Bothner  <per@bothner.com>
14005
14006         * c-tree.h (struct c_declarator): New id_loc field.
14007         * c-pragma.h (c_lex_with_flags): Take position reference.
14008         * c-lex.c (c_lex_with_flags): Set passed-in location from cpp token,
14009         iff USE_MAPPED_LOCATION. (Type doesn't match otherwise.)
14010         (c_lex): Pass dummy location to c_lex_with_flags.
14011         * c-parser.c (c_lex_one_token): Set c_token's location using
14012         c_lex_with_flags, instead of input_location, which might be "ahead".
14013         (c_parser_direct_declarator): Set declarator's id_loc from
14014         c_token's id_loc.
14015         * c-decl.c (grokdeclarator): Set DECL_SOURCE_LOCATION from
14016         declarator's id_loc, rather than probably-imprecise input_location.
14017         (build_id_declarator): Initialize c_declarator's id_loc field.
14018
14019 2005-03-11  Roger Sayle  <roger@eyesopen.com>
14020
14021         PR middle-end/20419
14022         * builtins.c (expand_builtin_signbit): Force the signbit's word
14023         into an integer register to avoid SUBREGs of floating point modes.
14024
14025 2005-03-12  Kazu Hirata  <kazu@cs.umass.edu>
14026
14027         * cfglayout.c, loop-doloop.c, profile.c, target-def.h,
14028         target.h, targhooks.c, tracer.c, tree-ssa-loop-ch.c,
14029         tree-ssa-loop-unswitch.c, tree-ssa-loop.c, vec.c, vmsdbgout.c,
14030         config/m32r/m32r.md, config/xtensa/xtensa.h: Update copyright.
14031
14032 2005-03-11  David Edelsohn  <edelsohn@gnu.org>
14033
14034         PR rtl-optimization/20306
14035         * expr.c (emit_move_complex): Set try_int false if mode is
14036         MODE_COMPLEX_FLOAT and mov_optab exists for inner mode.  Only try
14037         emit_block_move if try_int is true.
14038
14039 2005-03-11  Richard Henderson  <rth@redhat.com>
14040
14041         PR target/20415
14042         * config/i386/mmx.md (vec_dupv4hi): Fix predicate.
14043         * config/i386/i386.c (ix86_expand_vector_init_duplicate): Update
14044         to match.
14045
14046 2005-03-11  Richard Sandiford  <rsandifo@redhat.com>
14047
14048         * config/mips/mips.h (mips_fix_vr4130_string): Declare.
14049         (TARGET_FIX_VR4130): New macro.
14050         (TARGET_OPTIONS): Add -mfix-vr4130.
14051         (ISA_HAS_MACCHI): New macro.
14052         (ASM_SPEC): Add -mfix-vr4130.
14053         * config/mips/mips.c (mips_fix_vr4130_string): New variable.
14054         (override_options): Handle mips_fix_vr4130_string.
14055         (mips_avoid_hazards): Clear all_noreorder_p
14056         if we're working around VR4130 errata and the macc alternatives
14057         are not available.
14058         * config/mips/mips.md (mfhilo_<mode>): Turn into a define_expand.
14059         (*mfhilo_<mode>, *mfhilo_<mode>_macc): New insns.
14060         * config/mips/vr.h (DEFAULT_VR_ARCH): Set to mfix-vr4130.
14061         (MULTILIB_DEFAULTS): Remove leading "march=".
14062         (DRIVER_SELF_SPECS): Likewise.  Make -mfix-vr4130 imply -march=vr4130
14063         if no architecture option is given.
14064         * config/mips/t-vr (MULTILIB_OPTIONS): Use -mfix-vr4130 for the
14065         VR4130 multilibs.
14066         (MULTILIB_MATCHES): Map -march=vr4130 to the -mfix-vr4130 multilibs.
14067         * doc/invoke.texi: Document -mfix-vr4130.
14068
14069 2005-03-11  Richard Sandiford  <rsandifo@redhat.com>
14070
14071         * config/mips/mips.c (override_options): Only warn about -mint64
14072         deprecation if TARGET_INT64.
14073
14074 2005-03-11  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
14075
14076         * builtin-attrs.def (ATTR_NONNULL_LIST, ATTR_NOTHROW_NONNULL,
14077         ATTR_CONST_NOTHROW_NONNULL, ATTR_PURE_NOTHROW_NONNULL,
14078         ATTR_MALLOC_NOTHROW_NONNULL): New "nonnull" attribute lists which
14079         are non-specific regarding the nonnull parameter positions.
14080         (ATTR_NONNULL_1_2, ATTR_NONNULL_1_4, ATTR_NOTHROW_NONNULL_1_2,
14081         ATTR_NOTHROW_NONNULL_1_4, ATTR_CONST_NOTHROW_NONNULL_1,
14082         ATTR_PURE_NOTHROW_NONNULL_1, ATTR_PURE_NOTHROW_NONNULL_1_2,
14083         ATTR_MALLOC_NOTHROW_NONNULL_1): Delete.
14084
14085         * builtins.def: Use the non-specific "nonnull" attibute lists.
14086
14087 2005-03-11  Zdenek Dvorak  <dvorakz@suse.cz>
14088
14089         * basic-block.h (single_succ_p, single_pred_p, single_succ_edge,
14090         single_pred_edge, single_succ, single_pred): Improve comments.
14091
14092 2005-03-11  Zdenek Dvorak  <dvorakz@suse.cz>
14093
14094         * basic-block.h (single_succ_p, single_pred_p, single_succ_edge,
14095         single_pred_edge, single_succ, single_pred): New inline functions.
14096         * bb-reorder.c (rotate_loop, find_traces_1_round,
14097         add_labels_and_missing_jumps, fix_up_fall_thru_edges,
14098         duplicate_computed_gotos): Use the single_succ/pred functions.
14099         * cfganal.c (forwarder_block_p): Ditto.
14100         * cfgbuild.c (compute_outgoing_frequencies): Ditto.
14101         * cfgcleanup.c (try_simplify_condjump, try_forward_edges,
14102         outgoing_edges_match, try_crossjump_to_edge, try_optimize_cfg,
14103         merge_seq_blocks): Ditto.
14104         * cfghooks.c (split_edge, tidy_fallthru_edges): Ditto.
14105         * cfglayout.c (fixup_reorder_chain): Ditto.
14106         * cfgloop.c (mark_single_exit_loops, update_latch_info,
14107         canonicalize_loop_headers, verify_loop_structure): Ditto.
14108         * cfgloopmanip.c (remove_path, unloop, loop_delete_branch_edge,
14109         mfb_update_loops, create_preheader, force_single_succ_latches,
14110         create_loop_notes): Ditto.
14111         * cfgrtl.c (rtl_can_merge_blocks, try_redirect_by_replacing_jump,
14112         force_nonfallthru_and_redirect, rtl_tidy_fallthru_edge,
14113         commit_one_edge_insertion, purge_dead_edges,
14114         cfg_layout_can_merge_blocks_p): Ditto.
14115         * except.c (sjlj_emit_function_enter): Ditto.
14116         * flow.c (init_propagate_block_info): Ditto.
14117         * function.c (thread_prologue_and_epilogue_insns): Ditto.
14118         * gcse.c (find_implicit_sets, bypass_conditional_jumps,
14119         insert_insn_end_bb): Ditto.
14120         * ifcvt.c (merge_if_block, find_if_block, find_if_case_1,
14121         find_if_case_2): Ditto.
14122         * lambda-code.c (perfect_nestify): Ditto.
14123         * lcm.c (optimize_mode_switching): Ditto.
14124         * loop-doloop.c (doloop_modify): Ditto.
14125         * loop-init.c (loop_optimizer_init): Ditto.
14126         * loop-iv.c (simplify_using_initial_values): Ditto.
14127         * loop-unroll.c (unroll_loop_runtime_iterations): Ditto.
14128         * loop-unswitch.c (unswitch_loop): Ditto.
14129         * modulo-sched.c (generate_prolog_epilog): Ditto.
14130         * predict.c (combine_predictions_for_insn, estimate_probability,
14131         tree_estimate_probability, last_basic_block_p,
14132         estimate_bb_frequencies): Ditto.
14133         * profile.c (branch_prob): Ditto.
14134         * regrename.c (copyprop_hardreg_forward): Ditto.
14135         * sched-rgn.c (is_cfg_nonregular, find_rgns, update_live): Ditto.
14136         * tracer.c (layout_superblocks): Ditto.
14137         * tree-cfg.c (tree_can_merge_blocks_p, tree_merge_blocks,
14138         cfg_remove_useless_stmts_bb, cleanup_control_flow,
14139         cleanup_control_expr_graph, disband_implicit_edges,
14140         tree_find_edge_insert_loc, bsi_commit_edge_inserts,
14141         tree_verify_flow_info, tree_make_forwarder_block,
14142         tree_forwarder_block_p, remove_forwarder_block,
14143         remove_forwarder_block_with_phi, merge_phi_nodes): Ditto.
14144         * tree-if-conv.c (tree_if_conversion): Ditto.
14145         * tree-mudflap.c (mf_build_check_statement_for): Ditto.
14146         * tree-ssa-dce.c (remove_dead_stmt): Ditto.
14147         * tree-ssa-dom.c (dom_opt_finalize_block): Ditto.
14148         * tree-ssa-loop-ch.c (should_duplicate_loop_header_p,
14149         copy_loop_headers): Ditto.
14150         * tree-ssa-loop-im.c (loop_commit_inserts): Ditto.
14151         * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Ditto.
14152         * tree-ssa-loop-manip.c (split_loop_exit_edge, ip_normal_pos,
14153         lv_adjust_loop_entry_edge, tree_ssa_loop_version): Ditto.
14154         * tree-ssa-loop-niter.c (simplify_using_initial_conditions): Ditto.
14155         * tree-ssa-loop-unswitch.c (simplify_using_entry_checks): Ditto.
14156         * tree-ssa-phiopt.c (tree_ssa_phiopt, value_replacement): Ditto.
14157         * tree-ssa-pre.c (compute_antic_aux, insert_aux, init_pre): Ditto.
14158         * tree-ssa-threadupdate.c (redirect_edges): Ditto.
14159         * tree-tailcall.c (independent_of_stmt_p, find_tail_calls,
14160         eliminate_tail_call, tree_optimize_tail_calls_1): Ditto.
14161         * tree-vect-analyze.c (vect_analyze_loop_form): Ditto.
14162         * tree-vect-transform.c (vect_update_ivs_after_vectorizer): Ditto.
14163         * tree-vectorizer.c (slpeel_update_phi_nodes_for_guard,
14164         slpeel_add_loop_guard): Ditto.
14165
14166 2005-03-11  James A. Morrison  <phython@gcc.gnu.org>
14167
14168         PR tree-optimization/15784
14169         * fold-const.c (fold): Fold ~A + 1 to -A.  Fold -A - 1
14170         and -1 - A to ~A.
14171
14172         * stmt.c (expand_case): Don't change index_type.  Convert minval
14173         to the proper type.
14174
14175         PR tree-optimization/20130
14176         * fold-const.c (fold): Fold x * -1 into -x.
14177
14178 2005-03-11  Kaz Kojima  <kkojima@gcc.gnu.org>
14179
14180         PR rtl-optimization/20331
14181         * rtlanal.c (modified_between_p): Check its address first for MEM.
14182         (modified_in_p): Likewise.
14183
14184 2005-03-11  Joseph S. Myers  <joseph@codesourcery.com>
14185
14186         * config.gcc (hppa*64*-*-hpux11*): Use pa/t-hpux-shlib.
14187
14188 2005-03-10  Steven Bosscher  <stevenb@suse.de>
14189
14190         * expr.c (expand_expr_real_1): If possible, use a conditional
14191         move for expanding MIN_EXPR and MAX_EXPR.
14192         Use temp for moving around rtx-en.
14193
14194 2005-03-10  Andrew Pinski  <pinskia@physics.uc.edu>
14195
14196         PR rtl-opt/20412
14197         * simplify-rtx.c (simplify_relational_operation_1): Fix typo - check the
14198         correct mode.
14199
14200 2005-03-10  Roger Sayle  <roger@eyesopen.com>
14201
14202         * builtins.c (expand_builtin_signbit): Extend to handle floating
14203         point modes wider than the largest integer type, using the
14204         operand_subword_force function to obtain the signbit's word.
14205
14206 2005-03-10  Jakub Jelinek  <jakub@redhat.com>
14207
14208         PR target/20322
14209         * combine.c (try_combine): If recog_for_combine added CLOBBERs
14210         to NEWI2PAT, fail to combine if they are used by NEWPAT.
14211
14212 2005-03-10  Aldy Hernandez  <aldyh@redhat.com>
14213
14214         * doc/invoke.texi: Add 8540 to list of cpus in rs6000 cpu section.
14215
14216 2005-03-10  Kazu Hirata  <kazu@cs.umass.edu>
14217
14218         * tree-outof-ssa.c (analyze_edges_for_bb): Make the return
14219         type void.
14220         (perform_edge_inserts): Unconditionally call
14221         free_dominator_info.
14222
14223         * tree-outof-ssa.c (analyze_edges_for_bb): Update a comment.
14224
14225 2005-03-10  Bob Wilson  <bob.wilson@acm.org>
14226
14227         * config/xtensa/xtensa.h (MEMBER_TYPE_FORCES_BLK): Define.
14228
14229 2005-03-10  Nathan Sidwell  <nathan@codesourcery.com>
14230
14231         * bitmap.c (bitmap_copy): Remove manual loop unrolling.
14232
14233         * value-prof.c (rtl_find_values_to_profile): Use gcc_assert and
14234         gcc_unreachable.
14235         (rtl_register_value_prof_hooks,
14236         tree_value_profile_transformations,
14237         tree_register_value_prof_hooks): Likewise.
14238         * var-tracking.c (stack_adjust_offset_pre_post,
14239         variable_htab_free, variable_union, dataflow_set_different_2,
14240         count_uses, variable_was_changed, set_frame_base_location,
14241         set_variable_part, emit_note_insn_var_location, vt_emit_notes,
14242         vt_add_function_parameters): Likewise.
14243         * varasm.c (named_section_real, named_section, make_decl_rtl,
14244         asm_emit_uninitialised, assemble_integer, decode_addr_const,
14245         const_hash_1, compare_constant, copy_constant, force_const_mem,
14246         output_constant_pool_2, output_constant_pool_1, output_constant,
14247         output_constructor, make_decl_one_only, decl_tls_model,
14248         default_no_named_section, default_elf_select_section_1,
14249         default_unique_section_1): Likewise.
14250         * vec.c (vec_gc_o_reserve, vec_heap_o_reserve): Likewise.
14251         * vmsdbgout.c (addr_const_to_string): Likewise.
14252
14253         PR c++/20375
14254         * function.c (struct assign_parm_data_one): Remove last_named
14255         field.
14256         (assign_parm_find_data_types): Don't determine last_named.
14257         Reorder named_parm determination.
14258         (assign_parms): Only setup varargs on the last non-varadic
14259         parameter.
14260
14261 2005-03-10  Kazuhiro Inaoka  <inaoka.lazuhiro@renesas.com>
14262
14263         * config/m32r/m32r.md (load_sda_base_32): New pattern.  Loads
14264         sda base address on medium model.
14265
14266 2005-03-10  Zdenek Dvorak  <dvorakz@suse.cz>
14267
14268         * Makefile.in (tree-optimize.o): Add CFGLOOP_H dependence.
14269         * cfgloop.c (flow_loop_nodes_find): Export.
14270         * cfgloop.h (flow_loop_nodes_find, fix_loop_structure):
14271         Declare.
14272         * cfgloopmanip.c (fix_loop_structure): New function.
14273         * predict.c (predict_loops): Clean up the loops information.
14274         * tree-cfg.c (cleanup_tree_cfg_loop): New function.
14275         (tree_can_merge_blocks_p, remove_bb, tree_forwarder_block_p): Respect
14276         loop structure.
14277         * tree-flow.h (cleanup_tree_cfg_loop): Declare.
14278         (rewrite_into_loop_closed_ssa): Declaration changed.
14279         * tree-loop-linear.c (linear_transform_loops): Add argument to
14280         rewrite_into_loop_closed_ssa call.
14281         * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
14282         * tree-ssa-loop-im.c (move_computations): Ditto.
14283         * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
14284         * tree-vectorizer.c (vectorize_loops): Ditto.
14285         * tree-optimize.c: Include cfgloop.h.
14286         (execute_todo): Choose whether to call cleanup_tree_cfg or
14287         cleanup_tree_cfg_loop.
14288         * tree-ssa-loop-ivcanon.c (canonicalize_loop_induction_variables,
14289         (tree_unroll_loops_completely): Enable cleanup_tree_cfg_loop call.
14290         * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Enable
14291         cleanup_tree_cfg_loop call.
14292         * tree-ssa-loop-manip.c (find_uses_to_rename_bb): New function.
14293         (find_uses_to_rename, rewrite_into_loop_closed_ssa): Support
14294         work on part of cfg.
14295
14296 2005-03-10  Jakub Jelinek  <jakub@redhat.com>
14297
14298         PR inline-asm/20314
14299         * gimplify.c (gimplify_asm_expr): Handle input/output constraints
14300         with multiple alternatives.
14301
14302         * stmt.c (parse_output_constraint): Fix a typo.
14303
14304 2005-03-09  Bob Wilson  <bob.wilson@acm.org>
14305
14306         * config/xtensa/xtensa.h (TRAMPOLINE_TEMPLATE): Use "no-transform"
14307         assembly directive instead of deprecated "no-generics".
14308
14309 2005-03-09  Ulrich Weigand  <uweigand@de.ibm.com>
14310
14311         * config/s390/s390.c (s390_secondary_output_reload_class): Adapt check
14312         for non-offsettable memory references to cope with outstanding reload
14313         replacements.
14314         * config/s390/s390.md ("reload_outti"): Call find_replacement to
14315         avoid losing outstanding address reloads.
14316         ("reload_outdi", "reload_outdf"): Likewise.
14317
14318 2005-03-09  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
14319
14320         * builtins.c (fold_builtin_cbrt, fold_builtin_pow): Rearrange
14321         code.  Add more cbrt transformations.
14322
14323 2005-03-09  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
14324
14325         * fold-const.c (fold_unary_to_constant): Add FIX_ROUND_EXPR case.
14326
14327 2005-03-09  Kazu Hirata  <kazu@cs.umass.edu>
14328
14329         * fold-const.c (fold_unary, fold_binary, fold_ternary): Return
14330         NULL_TREE when a given tree is not simplified.
14331         (fold): Return the original tree when any of the functions
14332         mentioned above NULL_TREE.
14333
14334         * fold-const.c (fold_unary, fold_binary): Take decomposed
14335         arguments, code, type, op0, and op1 in case of fold_binary.
14336         (fold): Update calls to fold_unary and fold_binary.
14337
14338 2005-03-09  Roger Sayle  <roger@eyesopen.com>
14339
14340         * builtins.c (fold_builtin_unordered_cmp): Change prototype to take
14341         a fndecl and an arglist instead of a CALL_EXPR, exp.
14342
14343 2005-03-09  Kazu Hirata  <kazu@cs.umass.edu>
14344
14345         * cfglayout.c (fixup_reorder_chain): Remove old_bb.
14346
14347         * cfgrtl.c (cfg_layout_merge_blocks): Remove new_e.
14348
14349         * expr.c (expand_assignment): Remove orig_to_rtx.
14350
14351         * fold-const.c (int_const_binop): Remove no_overflow.
14352
14353         * ifcvt.c (noce_emit_move_insn): Remove inmode.
14354
14355         * loop-iv.c (get_biv_step_1): Remove lhs.
14356
14357         * loop-unroll.c (analyze_insns_in_loop): Remove preheader.
14358
14359         * real.c (real_nan): Remove neg.
14360
14361         * function.c (thread_prologue_and_epilogue_insns): Remove i
14362         and newinsn.
14363
14364         * tree-data-ref.c (array_base_name_differ_p): Remove ta and
14365         tb.
14366
14367         * tree-eh.c (tree_could_trap_p): Remove idx.
14368
14369         * tree-into-ssa.c (ann): Remove ann.
14370
14371         * tree-outof-ssa.c (num_nodes): Remove num_nodes.
14372
14373         * tree-sra.c (decide_block_copy): Remove inst_count.
14374
14375         * tree-ssa-alias.c (may_alias_p): Remove v_ann.
14376
14377         * tree-ssa-loop-im.c (lhs): Remove.
14378
14379         * cfgbuild.c (state, STATE, SET_STATE,
14380         BLOCK_USED_BY_TABLEJUMP, FULL_STATE): Move just before
14381         make_edges.
14382         (make_edges): Speed up by skipping blocks with BLOCK_ORIGINAL.
14383         (find_basic_blocks): Set the state of each basic block to
14384         BLOCK_NEW.
14385
14386 2005-03-08  Jeff Law  <law@redhat.com>
14387
14388         * tree-cfg.c (cleanup_control_flow): If removal of a computed
14389         goto results in the removal of edges in the CFG, then we need
14390         to recompute dominators.
14391
14392 2005-03-09  Ben Elliston  <bje@au.ibm.com>
14393
14394         * c-common.c (c_do_switch_warnings): Comment fix.
14395
14396 2005-03-08  Julian Brown  <julian@codesourcery.com>
14397
14398         * Patch from 2005-03-08 reverted for causing regressions and
14399         ppc-darwin bootstrap failure.
14400
14401 2005-03-08  Fariborz Jahanian <fjahanian@apple.com>
14402
14403         * config/rs6000/rs6000.c (invalid_arg_for_unprototyped_fn):
14404         Define the real function for ppc-darwin.
14405         * c-typeck.c (convert_arguments): Check for target-specific
14406         invalid argument call to unprototyped function.
14407         * target-def.h (TARGET_INVALID_ARG_FOR_UNPROTOTYPED_FN):
14408         New Macro.
14409         * target.h (invalid_arg_for_unprototyped_fn): New field
14410         in struct calls.
14411         * targhooks.c (hook_invalid_arg_for_unprototyped_fn): New
14412         default target hook.
14413         * targhooks.h (hook_invalid_arg_for_unprototyped_fn):
14414         Declare.
14415
14416 2005-03-08  Kazu Hirata  <kazu@cs.umass.edu>
14417
14418         * c-typeck.c (constructor_stack, constructor_range_stack,
14419         initializer_stack): Make them static.
14420
14421         * cfg.c (rbi_pool): Make it static.
14422
14423         * gimple-low.c (lower_stmt_body): Make it static.
14424         * tree-flow.h: Remove the corresponding prototype.  Don't
14425         declare lower_data.
14426
14427         * sched-deps.c (cache_size): Make it static.
14428
14429         * stor-layout.c (lang_adjust_rli): Make it static.
14430
14431 2005-03-08  Julian Brown  <julian@codesourcery.com>
14432
14433         * config/elfos.h (MAKE_DECL_ONE_ONLY): Redefined to stop DECL_WEAK
14434         from being used for symbols with vague linkage when
14435         HAVE_GAS_COMDAT_GROUP is true.
14436
14437 2005-03-08  J"orn Rennecke <joern.rennecke@st.com>
14438
14439         * jump.c (invert_jump_1): Don't call redirect_jump_1 with
14440         nlabel == JUMP_LABEL (jump).
14441
14442 2005-03-08  Kazu Hirata  <kazu@cs.umass.edu>
14443
14444         * c-common.c, c-opts.c, combine.c, cse.c, dojump.c,
14445         gimplify.c, tree-dfa.c, tree-ssa-loop-ivopts.c,
14446         tree-ssa-phiopt.c, tree-ssa-pre.c, tree-ssa-sink.c,
14447         tree-vect-analyze.c, tree.def, tree.h: Fix comment formatting.
14448
14449 2005-03-08  Alexey Neyman  <alex.neyman@auriga.ru>
14450
14451         PR c/14411
14452         * calls.c (flags_from_decl_or_type): Handle eturns_twice' attribute.
14453         * c-common.c (handle_returns_twice): New function.
14454         (c_common_attribute_table): Declare eturns_twice' attribute.
14455         * doc/extend.texi: Document eturns_twice' attribute.
14456         * tree.h (DECL_IS_RETURNS_TWICE): New macro.
14457         (struct tree_decl): Add returns_twice_flag.
14458
14459 2005-03-08  Kazu Hirata  <kazu@cs.umass.edu>
14460
14461         * tree-ssa-phiopt.c: Fix a comment typo.
14462
14463         * c-semantics.c, cfghooks.c, diagnostic.h, loop-iv.c,
14464         loop-unswitch.c, modulo-sched.c, stor-layout.c, tree-gimple.h,
14465         config/i386/cygwin1.c, doc/cfg.texi, doc/objc.texi: Update
14466         copyright.
14467
14468 2005-03-08  Richard Henderson  <rth@redhat.com>
14469
14470         * config/alpha/alpha.c (code_for_builtin): Replace special-case
14471         builtin codes with ctzdi2, clzdi2, popcountdi2.
14472         (struct alpha_builtin_def): Add is_const.
14473         (zero_arg_builtins, one_arg_builtins, two_arg_builtins): Init it.
14474         (alpha_v8qi_u, alpha_v8qi_s, alpha_v4hi_u, alpha_v4hi_s): New.
14475         (alpha_init_builtins): Init them.  Set nothrow and const attributes
14476         on builtins.
14477         (alpha_fold_builtin_cmpbge, alpha_fold_builtin_zapnot,
14478         alpha_fold_builtin_extxx, alpha_fold_builtin_insxx,
14479         alpha_fold_builtin_mskxx, alpha_fold_builtin_umulh,
14480         alpha_fold_vector_minmax, alpha_fold_builtin_perr,
14481         alpha_fold_builtin_pklb, alpha_fold_builtin_pkwb,
14482         alpha_fold_builtin_unpkbl, alpha_fold_builtin_unpkbw,
14483         alpha_fold_builtin_cttz, alpha_fold_builtin_ctlz,
14484         alpha_fold_builtin_ctpop, alpha_fold_builtin): New.
14485         (TARGET_FOLD_BUILTIN): New.
14486         * config/alpha/alpha.md (UNSPEC_CTTZ): Remove.
14487         (UNSPEC_CTLZ, UNSPEC_CTPOP): Remove.
14488         (ffsdi2): Use ctz.
14489         (cttz, builtin_cttz, builtin_ctlz, builtin_ctpop): Remove.
14490
14491 2005-03-08  Ira Rosen  <irar@il.ibm.com>
14492
14493         PR tree-optimization/20122
14494         * tree-vect-analyze.c (vect_object_analysis): Analyze initial
14495         condition of access function instead of base.
14496
14497 2005-03-07  Jeff Law  <law@redhat.com>
14498             Steven Bosscher  <stevenb@suse.de>
14499
14500         * tree-cfg.c (find_taken_edge_computed_goto): New function.
14501         (find_taken_edge): Call find_taken_edge_computed_goto as
14502         appropriate.  Allow any gimple invariant rather than just
14503         INTEGER_CST for VAL.
14504         (cleanup_control_flow): Cleanup a computed goto which has turned
14505         into a simple goto.
14506         (tree_merge_blocks): If block B has any forced labels, move
14507         them to the start of block A.
14508         * tree-ssa-dom.c (thread_across_edge): Allow threading across
14509         computed gotos as well.
14510         * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Handle
14511         removal of unnecessary computed gotos too.
14512         (lookup_redirection_data): Fix type of INSERT argument.  Callers
14513         updated.
14514
14515 2005-03-08  Kazu Hirata  <kazu@cs.umass.edu>
14516
14517         * tree-ssa-phiopt.c: Update copyright.  Fix indentations.
14518         Remove trailing spaces.
14519
14520         * gimplify.c (gimple_push_bind_expr, gimple_pop_bind_expr,
14521         unshare_all_trees): Make them static.
14522         * tree-gimple.h: Remove the corresponding prototypes.
14523
14524         * diagnostic.h: Remove unused prototype
14525         debug_output_buffer.
14526         * modulo-sched.c: Remove unused prototype
14527         set_row_column_for_ps.
14528
14529         * tree-ssa-phiopt.c (tree_ssa_phiopt,
14530         replace_phi_edge_with_variable): Remove unused variable i.
14531
14532 2005-03-07  Per Bothner  <per@bothner.com>
14533
14534         * tree.h (DECL_IS_BUILTIN): Reverted my patch from earlier today.
14535
14536 2005-03-06  Andrew Pinski  <pinskia@physics.uc.edu>
14537
14538         PR tree-opt/17671
14539         * tree-ssa-phiopt.c (tree_ssa_phiopt): Rewrite so we base the
14540         bbs on the COND_EXPR instead of the PHI_NODEs.
14541         (candidate_bb_for_phi_optimization): Remove.
14542         (replace_phi_with_stmt): Rename to ...
14543         (replace_phi_edge_with_variable): this and change so that we
14544         replace the phi argument instead of removing the PHI.
14545         (conditional_replacement): Change so we deal with PHI with more
14546         than two arguments.
14547         (value_replacement): Likewise.
14548         (abs_replacement): Likewise.
14549
14550 2005-03-07  Aldy Hernandez  <aldyh@redhat.com>
14551
14552         * config/rs6000/rs6000-protos.h: Rename output_e500_flip_eq_bit to
14553         output_e500_flip_gt_bit.
14554
14555         * config/rs6000/rs6000.c (print_operand): case D: Print out bit 31
14556         as bit 31.
14557         (rs6000_generate_compare): Fix logic to look at the correct bits.
14558         (output_e500_flip_eq_bit): Rename to output_e500_flip_gt_bit.
14559         Look at GT bit.
14560         (rs6000_emit_sCOND): Rename gen_e500_flip_eq_bit to
14561         gen_e500_flip_gt_bit.  Rename gen_move_from_CR_eq_bit to
14562         gen_move_from_CR_gt_bit.
14563
14564         * config/rs6000/rs6000.md ("move_from_CR_eq_bit"): Change bit
14565         ("move_from_CR_eq_bit"): Rename to move_from_CR_gt_bit.
14566         (UNSPEC_MV_CR_EQ): Rename to UNSPEC_MV_CR_GT.
14567
14568         * config/rs6000/spe.md ("e500_cr_ior_compare"): New.
14569         (E500_CR_IOR_COMPARE): New constant.
14570
14571 2005-03-08  Earl Chew <earl_chew@agilent.com>
14572             David Billinghurst <David.Billinghurst@riotinto.com>
14573
14574         * config/i386/host-cygwin.c: New file to support precompiled
14575         headers on cygwin
14576         * config/i386/x-cygwin: Use host-cygwin.c on cygwin host
14577         * config.host: Use above files for cygwin host.
14578
14579 2005-03-07  David Edelsohn  <edelsohn@gnu.org>
14580
14581         * fold-const.c (fold_binary_op_with_conditional_arg): Fix typo
14582         ordering ops from earlier change.
14583
14584 2005-03-07  Per Bothner  <per@bothner.com>
14585
14586         Various fixes to allow us to again build if --enable-mapped-location:
14587         * c-decl.c (finish_function): Use SET_EXPR_LOCATION instead of
14588         unavailable annotate_with_file_line, if USE_MAPPED_LOCATION.
14589         * tree-cfg.c (remove_bb): If USE_MAPPED_LOCATION, change type of
14590         local variable loc. Change logic appropriately.
14591         * tree-vect-transform.c (vect_finish_stmt_generation): Use
14592         EXPR_LOCATION rather than EXPR_LOCUS if USE_MAPPED_LOCATION.
14593         * c-parser.c (c_parser_for_statement): Initialize loc variable.
14594         * tree.h (DECL_IS_BUILTIN): Temporarily revert definition of
14595         DECL_IS_BUILTIN in the USE_MAPPED_LOCATION because of jc1 issues.
14596
14597 2005-03-07  Richard Sandiford  <rsandifo@redhat.com>
14598
14599         PR rtl-optimization/19683
14600         * reload1.c (choose_reload_regs): Pass the number of bits, not the
14601         number of bytes, to smallest_int_for_mode.  Fix arguments to
14602         REG_CANNOT_CHANGE_MODE_P.
14603
14604 2005-03-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
14605
14606         * reorg.c (relax_delay_slots): Check that the jump is
14607         conditional before trying to invert it.
14608
14609 2005-03-07  Kazu Hirata  <kazu@cs.umass.edu>
14610
14611         * bb-reorder.c (max_entry_frequency, max_entry_frequency):
14612         Make them static.
14613
14614         * calls (stack_arg_under_construction): Make it static.
14615
14616         * flow.c (regs_live_at_setjmp): Make it static.
14617         * flow.h: Remove the corresponding prototype.
14618
14619         * reload1.c (reload_startobj, reload_firstobj,
14620         something_needs_operands_changed, reload_inherited,
14621         reload_inheritance_insn, reload_override_in,
14622         reload_spill_index): Make them static.
14623
14624         * recog.c (verify_changes): Make it static.
14625         * recog.h: Remove the corresponding prototype.
14626
14627         * cfgbuild.c (find_sub_basic_blocks): Remove.
14628         * basic-block.h: Remove the corresponding prototype.
14629         * cfgexpand.c, cfgrtl.c: Don't mention find_sub_basic_blocks
14630         in comments.
14631         * doc/cfg.texi: Don't mention find_sub_basic_blocks.
14632
14633         * tree-ssa-operands.c (check_build_stmt): Remove.
14634
14635         * stor-layout.c (set_alignment): Remove.
14636         * tree.h: Remove the corresponding prototype.
14637
14638         * tree-ssa-pre.c (has_abnormal_preds): Make it static.
14639
14640         * tree-ssa-dce.c (control_dependence_map,
14641         visited_control_parents): Make them static.
14642
14643         * cfghooks.c (verify_flow_info): Remove local variable
14644         num_bb_notes.
14645
14646         * cfgrtl.c (rtl_verify_flow_info_1): Remove local variable
14647         last_bb_seen.
14648
14649         * loop-unswitch.c (unswitch_loop): Remove local variable src.
14650
14651 2005-03-07  David Billinghurst <David.Billinghurst@riotinto.com>
14652
14653         * config/i386/cygwin1.c(mingw_scan): Use xstrdup in calls to putenv.
14654
14655 2005-03-07  Joseph S. Myers  <joseph@codesourcery.com>
14656
14657         * config/ia64/hpux.h (LINK_SPEC): Add -z.
14658         * config/ia64/ia64.c (ia64_function_value): Return a REG not a
14659         PARALLEL for an empty structure.
14660
14661 2005-03-07  Kazu Hirata  <kazu@cs.umass.edu>
14662
14663         * fold-const.c (fold_binary): Remove handling of RANGE_EXPR.
14664
14665         * fold-const.c (fold_binary): Unroll the very first "for"
14666         loop.
14667
14668 2005-03-06  David Edelsohn  <edelsohn@gnu.org>
14669
14670         * config/rs6000/predicates.md (branch_comparison_operator): Remove
14671         redundant match_code test.
14672         (scc_comparison_operator): Swap match_operand and match_code
14673         tests.
14674         (branch_positive_comparison_operator): Same.
14675         (trap_comparison_operator): Use comparison_operator and swap with
14676         match_code test.
14677
14678 2005-03-06  Marek Michalkiewicz  <marekm@amelek.gda.pl>
14679
14680         PR target/20288
14681         * config/avr/avr.c (print_operand): Add 'p' and 'r'.
14682         (out_movhi_r_mr): Read low byte of volatile MEM first.
14683         (out_movhi_mr_r): Write high byte of volatile MEM first.
14684
14685 2005-03-05  Kazu Hirata  <kazu@cs.umass.edu>
14686
14687         * cselib.c (reg_values, reg_values_size): Make them static.
14688
14689         * cse.c (cse_reg_info_table): Make it static.
14690
14691         * fold-const.c (fold_unary): Use build1 instead of copy_node.
14692
14693 2005-03-06  Zdenek Dvorak  <dvorakz@suse.cz>
14694
14695         * cse.c (find_best_addr): Use canon_for_address.
14696
14697 2005-03-06  Kazu Hirata  <kazu@cs.umass.edu>
14698
14699         * cse.c (fold_rtx_subreg, fold_rtx_mem): New.
14700         (fold_rtx): Call fold_rtx_subreg and fold_rtx_mem to handle
14701         SUBREG and MEM, respectively.
14702
14703         * fold-const.c (fold_binary): Use code instead of t.
14704
14705         * fold-const.c (optimize_minmax_comparison): Take decomposed
14706         arguments code, type, op0, and op1 instead of t.
14707         (fold_binary): Update a call to optimize_minmax_comparison.
14708
14709         * fold-const.c (fold_range_test): Take decomposed arguments
14710         code, type, op0, and op1 instead of t.
14711         (fold_binary): Update a call to fold_range_test.
14712
14713         * fold-const.c (fold_binary_op_with_conditional_arg): Take
14714         decomposed arguments code, type, op0, and op1 instead of t.
14715         (fold_binary): Update a call to fold_range_test.
14716
14717 2005-03-06  Kazu Hirata  <kazu@cs.umass.edu>
14718
14719         * fold-const.c (fold_binary): Avoid directly using the original
14720         expression t as much as possible.
14721
14722 2005-03-05  Kazu Hirata  <kazu@cs.umass.edu>
14723
14724         * c-semantics.c (build_stmt): Use TYPE_P instead of
14725         IS_NON_TYPE_CODE_CLASS.
14726         * tree.h (IS_NON_TYPE_CODE_CLASS): Remove.
14727         (NON_TYPE_CHECK): Use TYPE_P instead of
14728         IS_NON_TYPE_CODE_CLASS.
14729
14730         * fold-const.c (fold): Remove handling of binary expressions.
14731
14732 2005-03-05  James A. Morrison  <phython@gcc.gnu.org>
14733
14734         * doc/c-tree.texi: Wrap comments in @r{}.
14735         * doc/cpp.texi: Likewise.
14736         * doc/cppinternals.texi: Likewise.
14737         * doc/extend.texi: Likewise.
14738         * doc/md.texi: Likewise.
14739         * doc/objc.texi: Likewise.
14740         * doc/sourcebuild.texi: Likewise.
14741         * doc/tm.texi: Likewise.
14742         * doc/tree-ssa.texi
14743
14744 2005-03-05  Kazu Hirata  <kazu@cs.umass.edu>
14745
14746         * predict.c (apply_return_prediction): Standardize PHI chain
14747         walking.
14748         * tree-ssa.c (ssa_redirect_edge): Likewise.
14749
14750         * genattrtab.c, genemit.c, genoutput.c, genrecog.c,
14751         gensupport.c, jump.c, tree-phinodes.c, unwind-dw2-fde-glibc.c:
14752         Update copyright.
14753
14754         * tree-phinodes.c (remove_phi_node): Drop the last argument.
14755         * tree-flow.h: Adjust the prototype for remove_phi_node.
14756         * lambda-code.c (perfect_nestify): Adjust a call to
14757         remove_phi_node.
14758         * tree-cfg.c
14759         (remove_phi_nodes_and_edges_for_unreachable_block): Likewise.
14760         * tree-outof-ssa.c (eliminate_virtual_phis, remove_ssa_form):
14761         Likewise.
14762         * tree-ssa-dce.c (remove_dead_phis): Likewise.
14763         * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
14764         * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
14765         * tree-ssa.c (kill_redundant_phi_nodes): Likewise.
14766
14767         * combine.c (simplify_and_const_int): Use gen_int_mode instead
14768         of GEN_INT (trunc_int_for_mode (...)).
14769         * loop-iv.c (iv_number_of_iterations): Likewise.
14770         * postreload.c (reload_cse_move2add): Likewise.
14771         * simplify-rtx.c (simplify_const_unary_operation,
14772         simplify_const_binary_operation): Likewise.
14773         * stor-layout.c (get_mode_bounds): Likewise.
14774
14775         * fold-const.c (fold_binary): New.
14776         (fold): Call fold_binary on binary expressions.
14777
14778 2005-03-05  Richard Sandiford  <rsandifo@redhat.com>
14779
14780         * doc/invoke.texi: Document new MIPS -msym32 and -mno-sym32 options.
14781         * config/mips/mips.h (MASK_SYM32, TARGET_SYM32): New macros.
14782         (TARGET_SWITCHES): Add -msym32 and -mno-sym32.
14783         (ABI_HAS_64BIT_SYMBOLS): Set to false if TARGET_SYM32.
14784         (ASM_SPEC): Pass down -msym32 and -mno-sym32.
14785
14786 2005-03-04  Devang Patel  <dpatel@apple.com>
14787
14788         PR tree-optimization/18815
14789         * tree-if-conv.c (combine_blocks): Adjust loop header edges for
14790         loops with zero exit edges.
14791
14792 2005-03-04  Devang Patel  <dpatel@apple.com>
14793
14794         * doc/invoke.texi: Remove reference to webpage that does not exist.
14795
14796 2005-03-04  John David Anglin  <dave.danglin@nrc-cnrc.gc.ca>
14797             Joseph S. Myers  <joseph@codesourcery.com>
14798
14799         PR c++/19797
14800         * pa/elf.h, pa64-hpux.h, som.h (ASM_OUTPUT_EXTERNAL_REAL): Define.
14801         (ASM_OUTPUT_EXTERNAL): Call pa_hpux_asm_output_external.
14802         * pa-protos.h (pa_hpux_asm_output_external): Add prototype.
14803         * pa.c (get_plabel): Change argument to symbol_ref.  Call
14804         maybe_get_identifier instead of get_identifier.
14805         (pa_hpux_asm_output_external, pa_hpux_file_end): New functions.
14806         (struct deferred_plabel): Replace name field with symbol field.
14807         (TARGET_ASM_FILE_END): Define as pa_hpux_file_end if
14808         ASM_OUTPUT_EXTERNAL_REAL is defined.
14809         (output_global_address): Use output_addr_const for output of all
14810         symbol_refs.
14811         (output_deferred_plabels): Use symbol_ref instead of name for address
14812         output.
14813         * pa.h (SYMBOL_FLAG_REFERENCED, SYMBOL_REF_REFERENCED_P,
14814         ASM_OUTPUT_SYMBOL_REF): New macros.
14815         * som.h (ASM_OUTPUT_EXTERNAL_LIBCALL): Use assemble_name_raw.  Update
14816         comment.
14817         (ASM_WEAKEN_LABEL): Use targetm.asm_out.globalize_label to globalize
14818         label.
14819
14820 2005-03-05  Joseph S. Myers  <joseph@codesourcery.com>
14821
14822         * config.gcc (hppa*64*-*-hpux11*): Use pa/pa-hpux1111.h for
14823         *-*-hpux11.[1-9]*, not just for *-*-hpux11.11.
14824
14825 2005-03-04  Jeff Law  <law@redhat.com>
14826
14827         * basic-block.h (rediscover_loops_after_threading): Declare.
14828         * tree-ssa-dom.c: Include cfgloop.h.
14829         (tree_ssa_dominator_optimize): Discover loops and some basic
14830         properties.  Remove forwarder blocks recreated by loop header
14831         canonicalization.  Also mark backedges in the CFG.
14832         * tree-ssa-threadupdate.c: Include cfgloop.h
14833         (rediscover_loops_after_threading): Define.
14834         (struct local_info): New field, JUMP_THREADED.
14835         (prune_undesirable_thread_requests): New function.
14836         (redirect_edges): Clear EDGE_ABNORMAL.  If edges were threaded
14837         then record that fact for the callers of redirct_edges.
14838         (thread_block): If BB has incoming backedges, then call
14839         prune_undesirable_thraed_requests.    Note when we are
14840         going to have to rediscover loop information.  Return a
14841         boolean indicating if any jumps were threaded.
14842         (thread_through_all_blocks): Bubble up boolean indicating
14843         if any jumps were threaded.
14844         * Makefile.in (tree-ssa-dom.o): Depend on cfgloop.h
14845         (tree-ssa-threadupdate.o): Similarly.
14846
14847 2005-03-04  Kazu Hirata  <kazu@cs.umass.edu>
14848
14849         * fold-const.c (fold_ternary): Unroll the "for" loop to
14850         extract operands.
14851
14852 2005-03-04  Andrew Haley  <aph@redhat.com>
14853
14854         * unwind-dw2-fde-glibc.c (struct
14855         unw_eh_callback_data.check_cache): New field.
14856         (frame_hdr_cache): New.
14857         (_Unwind_IteratePhdrCallback): Add ext_dl_phdr_info.
14858         Cache frame header info.
14859
14860 2005-03-04  Richard Sandiford  <rsandifo@redhat.com>
14861
14862         * rtl.h (copy_rtx_ptr_loc, print_rtx_ptr_loc, join_c_conditions)
14863         (print_c_condition): Declare.
14864         * read-rtl.c (ptr_loc): New structure.
14865         (ptr_locs, ptr_loc_obstack, joined_conditions)
14866         (joined_conditions_obstack): New variables.
14867         (leading_ptr_hash, leading_ptr_eq_p, set_rtx_ptr_loc)
14868         (get_rtx_ptr_loc, copy_rtx_ptr_loc, print_rtx_ptr_loc)
14869         (join_c_conditions, print_c_condition): New functions.
14870         (apply_macro_to_string): Associate the new string with the same
14871         source location as the old one.
14872         (add_condition_to_string): Use join_c_conditions.
14873         (read_string): Use set_rtx_ptr_loc to record a filename and line
14874         number for the string.
14875         (read_rtx): Initialize the new variables above.
14876         * genattrtab.c (write_test_expr, write_attr_value): Use
14877         print_c_condition.
14878         * genconditions.c (write_header): Don't define MAYBE_EVAL.  Move its
14879         comment above the GCC_VERSION check.
14880         (write_one_condition): Use print_rtx_ptr_loc and print_c_condition.
14881         Inline the definition of MAYBE_EVAL.
14882         * genemit.c (gen_expand, gen_split): Use print_rtx_ptr_loc.
14883         * genoutput.c (process_template): Likewise.
14884         * genpreds.c (write_predicate_subfunction): Likewise.
14885         (write_predicate_expr): Use print_c_condition.
14886         * genrecog.c (write_cond): Likewise.
14887         * gensupport.c (process_rtx): Use join_c_conditions to join the
14888         conditions of a define_insn_and_split.  Record a source location
14889         for the string after the "&&".
14890         (alter_test_for_insn): Use join_c_conditions.
14891
14892 2005-03-04  Andrew Pinski  <pinskia@physics.uc.edu>
14893
14894         Revert for now:
14895         2005-03-03  James A. Morrison  <phython@gcc.gnu.org>
14896         PR tree-optimization/15784
14897         * fold-const.c (fold): Fold ~A + 1 to -A.  Fold -A - 1
14898         and -1 - A to ~A.
14899
14900 2005-03-04  Ben Elliston  <bje@au.ibm.com>
14901
14902         * gcc.c (option_map): Add --coverage.
14903         (LINK_COMMAND_SPEC): Pass -lgcov for `coverage'.
14904         (cc1_options): Pass -fprofile-arcs -ftest-coverage for `coverage'.
14905         * config/darwin.h: Pass -lgcov for `coverage'.
14906         * doc/invoke.texi (Debugging Options): Document --coverage.
14907
14908 2005-03-04  Kazu Hirata  <kazu@cs.umass.edu>
14909
14910         * gcse.c (bypass_block): Use find_edge wherever possible.
14911
14912 2005-03-03  Daniel Berlin <dberlin@dbrelin.org>
14913
14914         Fix PR debug/20253
14915
14916         * c-opts.c (c_common_parse_file): Call start_source_file
14917         and end_source_file at the approriate times.
14918
14919         * dwarf2out.c (dwarf2out_finish): Don't auto-end
14920         the main file, it will be done for us now.
14921
14922 2005-03-04  Kazu Hirata  <kazu@cs.umass.edu>
14923
14924         * fold-const.c (fold_ternary): New.
14925         (fold): Call fold_ternary on ternary expressions.  Remove
14926         handling of ternary expressions.
14927
14928 2005-03-03  James A. Morrison  <phython@gcc.gnu.org>
14929
14930         PR tree-optimization/15784
14931         * fold-const.c (fold): Fold ~A + 1 to -A.  Fold -A - 1
14932         and -1 - A to ~A.
14933
14934 2005-03-03  David Edelsohn  <edelsohn@gnu.org>
14935
14936         * config/rs6000/predicates.md (branch_comparison_operator):
14937         Convert from C block to conditional format.
14938
14939 2005-03-03  Jan Hubicka  <jh@suse.cz>
14940
14941         * tree-dfa.c (add_referenced_var): Don't walk initializer of external
14942         and non-constant public variables.
14943
14944 2005-03-03  Kazu Hirata  <kazu@cs.umass.edu>
14945
14946         * tree-cfg.c (stmt_starts_bb_p): Clean up by replacing code
14947         with LABEL_EXPR.
14948
14949         * cfgexpand.c (construct_exit_block): Use EDGE_PRED instead of
14950         EDGE_I.
14951
14952         * tree-phinodes.c (remove_phi_node): Clean up by factoring out
14953         calls to release_ssa_name and release_phi_node.
14954
14955         * fold-const.c (fold): Remove handling of unary expressions.
14956
14957         * fold-const.c (fold_unary): Avoid directly using the original
14958         expression t as much as possible.
14959
14960 2005-03-03  Roger Sayle  <roger@eyesopen.com>
14961             Andrew Pinski  <pinskia@physics.uc.edu>
14962
14963         * jump.c (redirect_exp_1): If nlabel is a NULL pointer create a
14964         RETURN rtx, and not a LABEL_REF containing a NULL pointer.
14965
14966 2005-03-03  Hans-Peter Nilsson  <hp@axis.com>
14967
14968         Describe special registers SRP and MOF as allocatable registers.
14969         * config/cris/cris.c (cris_md_asm_clobbers): New function.
14970         (TARGET_MD_ASM_CLOBBERS): Define to cris_md_asm_clobbers.
14971         (cris_conditional_register_usage): Enable CRIS_MOF_REGNUM if
14972         TARGET_HAS_MUL_INSNS.
14973         (cris_print_operand) <case 'd'>: New case.
14974         <case REG>: Allow CRIS_MOF_REGNUM and CRIS_SRP_REGNUM.
14975         * config/cris/cris.h (CRIS_PC_REGNUM, CRIS_SRP_REGNUM): Don't
14976         define.
14977         (FIRST_PSEUDO_REGISTER, FIXED_REGISTERS, CALL_USED_REGISTERS)
14978         (REG_ALLOC_ORDER): Update for MOF.
14979         (enum reg_class): New members MOF_REGS, GENERAL_REGS and
14980         SPECIAL_REGS.
14981         (GENERAL_REGS): No longer a define of ALL_REGS.
14982         (REGNO_REG_CLASS, REG_CLASS_CONTENTS, REG_CLASS_NAMES)
14983         (PREFERRED_RELOAD_CLASS, REGISTER_NAMES, DBX_REGISTER_NUMBER):
14984         Adjust accordingly.
14985         (CRIS_SPECIAL_REGS_CONTENTS): New macro.
14986         (REG_CLASS_FROM_LETTER): Allocate 'h' and 'x'.
14987         (SECONDARY_RELOAD_CLASS): Define.
14988         (STACK_POINTER_REGNUM): Define as CRIS_SP_REGNUM.
14989         (FRAME_POINTER_REGNUM): Define as CRIS_FP_REGNUM.
14990         (ARG_POINTER_REGNUM): Define as CRIS_AP_REGNUM.
14991         (STATIC_CHAIN_REGNUM): Define as CRIS_STATIC_CHAIN_REGNUM.
14992         (REGISTER_MOVE_COST): Define.
14993         (PIC_OFFSET_TABLE_REGNUM): Define in terms of CRIS_GOT_REGNUM.
14994         * config/cris/cris.md (CRIS_GOT_REGNUM, CRIS_STATIC_CHAIN_REGNUM)
14995         (CRIS_FP_REGNUM, CRIS_SP_REGNUM, CRIS_SRP_REGNUM, CRIS_AP_REGNUM)
14996         (CRIS_MOF_REGNUM): New define_constants.
14997         ("*movsi_internal", "movhi", "movqi", "movsf"): Add alternatives for
14998         special registers.
14999         ("reload_inhi", "reload_outhi", "reload_inqi", "reload_outqi"):
15000         New patterns.
15001         ("umulhisi3", "umulqihi3", "mulsi3", "mulqihi3", "mulhisi3")
15002         ("mulsidi3", "umulsidi3", "smulsi3_highpart", "umulsi3_highpart"):
15003         Adjust for MOF being properly described as a register.
15004         (indir_to_reg_split): Name this split.  Conditionalize on the
15005         destination register being a general register.
15006         (movei): Conditionalize on on operands 0 and 1 having the same
15007         register class.
15008
15009 2005-03-03  Alan Modra  <amodra@bigpond.net.au>
15010
15011         PR target/20277
15012         * config/rs6000/rs6000.c (rs6000_override_options): Don't allow
15013         -mcpu to override any other explicitly given flags.
15014
15015 2005-03-02  J"orn Rennecke <joern.rennecke@st.com>
15016
15017         * recog.c (verify_changes, confirm_change_group): New functions,
15018         broken out of apply_change_group.
15019         (apply_change_group): Use them.
15020         * recog.h (verify_change, confirm_change_group): Declare.
15021         * rtl.h (redirect_jump_2): Declare.
15022         * jump.c (redirect_exp, invert_exp): Delete.
15023         (invert_exp_1): Take second parameter.  Return value.  Changed caller.
15024         (redirect_jump_2): New function, broken out of redirect_jump.
15025         (redirect_jump): Use redirect_jump_1 and redirect_jump_2.
15026         (invert_jump): Use invert_jump_1 and redirect_jump_2.
15027         * ifcvt.c (dead_or_predicable): Use redirect_jump_2.
15028
15029 2005-03-02  Geoffrey Keating  <geoffk@apple.com>
15030
15031         * varasm.c (named_section): Use xstrdup rather than doing it by
15032         hand.
15033
15034         * config/darwin8.h (LIB_SPEC): Switch -lmx and -lSystem.
15035
15036 2005-03-02  Devang Patel  <dpatel@apple.com>
15037
15038         Undo PR tree-optimization/18815 fix.
15039
15040 2005-03-02  Devang Patel  <dpatel@apple.com>
15041
15042         PR tree-optimization/18815
15043         * tree-if-conv.c (combine_blocks): Adjust loop header edges for
15044         loops with zero exit edges.
15045
15046 2005-03-02  Kazu Hirata  <kazu@cs.umass.edu>
15047
15048         * cfg.c (connect_src, connect_dest, disconnect_src,
15049         disconnct_dest): New.
15050         (unchecked_make_edge, remove_edge, redirect_edge_succ,
15051         redirect_edge_pred): Use the new functions.
15052
15053         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Call
15054         free_dominance_info only when needed.
15055
15056 2005-03-02  David Edelsohn  <edelsohn@gnu.org>
15057
15058         PR target/20276
15059         * config/rs6000/predicates.md (reg_or_cint64_operand): Fix typo.
15060         (reg_or_sub_cint64_operand): Same.
15061
15062 2005-03-02  Jeff Law  <law@redhat.com>
15063
15064         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Fix setting of
15065         CFG_ALTERED in the main DOM iteration loop.
15066
15067 2005-03-02  Mark Mitchell  <mark@codesourcery.com>
15068
15069         PR c++/19916
15070         * varasm.c (initializer_constant_valid_p): Allow conversions
15071         between OFFSET_TYPEs.  Tidy.
15072
15073 2005-03-02  Hans-Peter Nilsson  <hp@axis.com>
15074
15075         * config/cris/cris.md ("return"): Remove epilogue delay list
15076         sanity check.
15077
15078 2005-03-02  Daniel Jacobowitz  <dan@codesourcery.com>
15079
15080         * config/arm/linux-elf.h (ARM_FUNCTION_PROFILER): Do not use (PLT)
15081         for Thumb.
15082         * config/arm/netbsd-elf.h (ARM_FUNCTION_PROFILER): Likewise.
15083
15084 2005-03-02  Kazu Hirata  <kazu@cs.umass.edu>
15085
15086         * cfgloop.h, cfgloopanal.c, cfgloopmanip.c, conflict.c,
15087         loop-init.c, loop-unroll.c, print-tree.c, reg-notes.def,
15088         config/m68k/m68k.c, config/mips/mips.h,
15089         config/rs6000/rs6000-protos.h, doc/contrib.texi,
15090         doc/include/gcc-common.texi: Update copyright.
15091
15092         PR middle-end/18029 and PR middle-end/18030
15093         * expr.c (optimize_bitfield_assignment_op): Add a special case
15094         to handle BIT_IOR_EXPR and BIT_XOR_EXPR.
15095
15096         * fold-const.c (fold_unary): New.
15097         (fold): Call fold_unary on unary expressions.
15098
15099 2005-03-02  Richard Guenther  <rguenth@gcc.gnu.org>
15100
15101         * cgraph.h (struct cgraph_edge): Add prev_caller and
15102         prev_callee fields.
15103         (cgraph_node_remove_callees): Export.
15104         * cgraph.c (cgraph_create_edge): Initialize prev_caller
15105         and prev_callee.
15106         (cgraph_edge_remove_callee): New function.
15107         (cgraph_edge_remove_caller): Likewise.
15108         (cgraph_remove_edge): Use.
15109         (cgraph_redirect_edge_callee): Likewise.
15110         (cgraph_node_remove_callees): New function.
15111         (cgraph_node_remove_callers): Likewise.
15112         (cgraph_remove_node): Use.
15113         * tree-optimize.c (tree_rest_of_compilation): Use
15114         cgraph_node_remove_callees instead of manual loop.
15115         * cgraphunit.c (cgraph_finalize_function): Likewise.
15116         (cgraph_expand_function): Likewise.
15117         (cgraph_remove_unreachable_nodes): Likewise.
15118
15119 2005-03-02  Joseph S. Myers  <joseph@codesourcery.com>
15120
15121         PR c/8927
15122         * c-tree.h (undeclared_variable, build_external_ref): Add extra
15123         argument.
15124         * c-decl.c (undeclared_variable): Take location as argument.
15125         * c-typeck.c (build_external_ref): Likewise.
15126         * c-parser.c (c_parser_postfix_expression): Pass location of
15127         identifier to build_external_ref.
15128
15129 2005-03-01  David Edelsohn  <edelsohn@gnu.org>
15130
15131         * config/rs6000/rs6000.md (cceq splitter): Use operand mode, not
15132         CCEQ mode for branch_positive_comparison_operator test.
15133         * config/rs6000/predicates (branch_comparison_operator): Revert to
15134         define_predicate.
15135         (scc_comparison_operator): Same.
15136         (branch_positive_comparison_operator): Same.
15137
15138 2005-03-01  Hans-Peter Nilsson  <hp@axis.com>
15139
15140         * config/cris/cris.c (cris_eligible_for_epilogue_delay)
15141         (cris_delay_slots_for_epilogue): Remove.
15142         (save_last): Move into cris_target_asm_function_epilogue.
15143         (cris_target_asm_function_epilogue): Remove tests for file being
15144         NULL.
15145         * config/cris/cris-protos.h (cris_eligible_for_epilogue_delay)
15146         (cris_delay_slots_for_epilogue): Remove prototypes.
15147         * config/cris/cris.h (DELAY_SLOTS_FOR_EPILOGUE)
15148         (ELIGIBLE_FOR_EPILOGUE_DELAY): Do not define.
15149
15150 2005-03-01  David Edelsohn  <edelsohn@gnu.org>
15151
15152         * config/rs6000/predicates.md (branch_comparison_operator): Change
15153         to define_special_predicate.
15154         (scc_comparison_operator): Same.
15155         (branch_positive_comparison_operator): Same.
15156
15157 2005-03-01  Daniel Berlin <dberlin@dberlin.org>
15158
15159         * Makefile.in (tree-ssa-sink.o): New.
15160         (OBJS-common): Add tree-ssa-sink.o.
15161         * common.opt: Add -ftree-sink
15162         * opts.c (decode_options): flag_tree_sink is set at O1 or higher.
15163         * timevar.def (TV_TREE_SINK): new timevar.
15164         * tree-flow.h (is_hidden_global_store): Prototype.
15165         * tree-optimize.c (init_tree_optimization_passes): Add
15166         pass_sink_code.
15167         * tree-pass.h (pass_sink_code): New.
15168         * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Move checking
15169         for non-obvious global store store to is_hidden_global_store, and
15170         call that new function.
15171         * tree-ssa-sink.c: New file.
15172         * doc/invoke.texi: Document -fdump-tree-sink and -ftree-sink.
15173         * doc/passes.texi: Document forward store motion.
15174         * testsuite/gcc.dg/tree-ssa/ssa-sink-1.c: New test
15175         * testsuite/gcc.dg/tree-ssa/ssa-sink-2.c: New test
15176         * testsuite/gcc.dg/tree-ssa/ssa-sink-3.c: New test
15177         * testsuite/gcc.dg/tree-ssa/ssa-sink-4.c: New test
15178
15179 2005-03-01  Per Bothner  <per@bothner.com>
15180
15181         * diagnostic.c (diagnostic_build_prefix): If USE_MAPPED_LOCATION
15182         and we have a non-zero column-number, add it to the message.
15183         Also factor out the diagnostic_kind_text.
15184
15185 2005-03-01  Zdenek Dvorak  <dvorakz@suse.cz>
15186
15187         * cfgloop.c (flow_loop_entry_edges_find, flow_loop_exit_edges_find,
15188         flow_loop_pre_header_scan, flow_loop_pre_header_find,
15189         flow_loop_scan): Removed.
15190         (flow_loop_dump): Do not dump removed fields.
15191         (flow_loop_free): Do not free removed fields.
15192         (flow_loops_find): Flags argument removed.  Do not call flow_loop_scan.
15193         (loop_exit_edge_p): New function.
15194         * cfgloop.h (struct loop): Removed fields pre_header, pre_header_edges,
15195         num_pre_header_edges, entry_edges, num_entries, exit_edges,
15196         num_exits, exits_doms.
15197         (LOOP_TREE, LOOP_PRE_HEADER, LOOP_ENTRY_EDGES, LOOP_EXIT_EDGES,
15198         LOOP_EDGES, LOOP_ALL): Removed.
15199         (flow_loop_scan): Declaration removed.
15200         (loop_exit_edge_p, mark_loop_exit_edges): Declare.
15201         * cfgloopmanip.c (create_loop_notes): Do not pass flags to
15202         flow_loops_find.
15203         * ifcvt.c (mark_loop_exit_edges): Moved to cfgloopanal.c.
15204         (if_convert): Call flow_loops_find and flow_loops_free
15205         when calling mark_loop_exit_edges.
15206         * cfgloopanal.c (mark_loop_exit_edges): Moved from
15207         ifcvt.c.  Removed the flow_loops_find, flow_loops_free and
15208         free_dominance_info calls.
15209         * loop-init.c (flow_loops_find): Ditto.
15210         * passes.c (rest_of_handle_branch_prob): Ditto.
15211         * lambda-code.c (perfect_nestify): Do not call flow_loops_find.
15212         * loop-unroll.c (analyze_insns_in_loop): Do not use
15213         EDGE_LOOP_EXIT.
15214         * predict.c (predict_loops): Do not call flow_loop_scan.
15215         Use get_loop_exit_edges.
15216         (tree_estimate_probability): Do not pass flags to flow_loops_find.
15217         * tree-if-conv.c (bb_with_exit_edge_p): Take loop as argument.
15218         Do not use EDGE_LOOP_EXIT.
15219         (tree_if_convert_cond_expr, if_convertible_modify_expr_p): Pass loop
15220         to bb_with_exit_edge_p.
15221         (if_convertible_loop_p): Do not call flow_loop_scan.  Use
15222         loop->single_exit.  Do not use EDGE_LOOP_EXIT.  Pass loop
15223         to bb_with_exit_edge_p.
15224         (combine_blocks): Pass loop to bb_with_exit_edge_p.  Do not use
15225         EDGE_LOOP_EXIT.
15226         * tree-loop-linear.c (linear_transform_loops): Do not call
15227         flow_loop_scan.  Use loop->single_exit.
15228         * tree-vect-analyze.c (vect_analyze_operations): Use loop->single_exit.
15229         (vect_analyze_loop_form): Do not call flow_loop_scan.
15230         * tree-vect-transform.c (vect_update_ivs_after_vectorizer): Use
15231         loop->single_exit.
15232         (vect_do_peeling_for_loop_bound): Use loop_preheader_edge and
15233         loop->single_exit.
15234         * tree-vectorizer.c (slpeel_update_phis_for_duplicate_loop,
15235         slpeel_make_loop_iterate_ntimes, slpeel_can_duplicate_loop_p,
15236         slpeel_tree_duplicate_loop_to_edge_cfg,
15237         slpeel_verify_cfg_after_peeling, slpeel_tree_peel_loop_to_edge):
15238         Use loop_preheader_edge and loop->single_exit.  Do not call
15239         flow_loop_scan.
15240
15241 2005-03-01  Nick Clifton  <nickc@redhat.com>
15242
15243         * config/arm/arm.c (thumb_find_work_register): Check all of the
15244         argument registers to see if they are free, and a couple of
15245         special cases where the last argument register but can be proved
15246         to be available during the function's prologue.
15247         (print_multi_reg, arm_compute_save_reg0_reg12_mask,
15248         output_return_instruction, emit_multi_reg_push, thumb_pushpop,
15249         thumb_unexpanded_epilogue): Use unsigned long as the type for the
15250         register bit-mask.
15251         (thumb_compute_save_reg_mask): Likewise.  Also use
15252         thumb_find_work_register() to ensure that there is agreement about
15253         which work register is going to be used in the prologue.
15254         (thumb_output_function_prologue): Use unsigned long as the type
15255         for the register bit-mask.  Also delay pushing the link register if
15256         other high registers are going to be pushed.
15257         (thumb_compute_save_reg_mask, emit_multi_reg_push,
15258         print_multi-reg, number_of_first_bit_set, thumb_pushpop): Remove
15259         redundant prototypes.
15260
15261 2005-02-28  John David Anglin  <dave.anglin#nrc-cnrc.gc.ca>
15262
15263         PR target/19819
15264         * pa.h (GO_IF_LEGITIMATE_ADDRESS): Allow allow hard registers during
15265         and after reload in REG+REG indexed addresses without REG_POINTER
15266         set in the base and not set in the index.
15267
15268 2005-02-28  Kaz Kojima  <kkojima@gcc.gnu.org>
15269
15270         * config/sh/linux.h (MD_EXEC_PREFIX, MD_STARTFILE_PREFIX):
15271         Don't undefine here.
15272         (HANDLE_PRAGMA_PACK_PUSH_POP): Delete.
15273         (NO_IMPLICIT_EXTERN_C, CPLUSPLUS_CPP_SPEC): Likewise.
15274         (TARGET_OS_CPP_BUILTINS): Use LINUX_TARGET_OS_CPP_BUILTINS.
15275         (LIB_SPEC, LINK_EH_SPEC, STARTFILE_SPEC, ENDFILE_SPEC,
15276         LINK_GCC_C_SEQUENCE_SPEC, USE_LD_AS_NEEDED, TARGET_C99_FUNCTIONS):
15277         Delete.
15278         * config.gcc (sh*-*-linux*): Use config/linux.h.
15279
15280 2005-02-28  Dale Johannesen  <dalej@apple.com>
15281             Stan Shebs  <shebs@apple.com>
15282
15283         Rewrite of 64-bit Darwin structure-by-value pass/return.
15284         * config/rs6000/rs6000.h (CUMULATIVE_ARGS): New fields
15285         intoffset, use_stack, named.
15286         * config/rs6000/rs6000.c (rs6000_darwin64_function_arg):  Remove.
15287         (rs6000_darwin64_record_arg_advance_flush):  New.
15288         (rs6000_darwin64_record_arg_advance_recurse): New.
15289         (rs6000_darwin64_record_arg_flush):  New.
15290         (rs6000_darwin64_record_arg_recurse):  New.
15291         (rs6000_darwin64_record_arg):  New.
15292         (rs6000_return_in_memory):  Remove AGGREGATE_TYPE_P check.
15293         (function_arg_boundary):  Handle 128-bit aligned structs.
15294         (function_arg_advance):  Rewrite darwin64 struct handling.
15295         (function_arg):  Call rs6000_darwin64_record_arg.
15296         (function_arg_partial_nregs):  Handle darwin64 structs.
15297         (rs6000_darwin64_function_value):  Remove.
15298         (rs6000_function_value):  Call rs6000_darwin64_record_arg.
15299
15300 2005-02-28  Roger Sayle  <roger@eyesopen.com>
15301
15302         PR tree-optimization/20216
15303         * tree-chrec.c (tree_fold_factorial): Delete.
15304         (tree_fold_binomial): Change argument list to take a return type
15305         and change the type of K to unsigned int.  Rewrite to avoid explicit
15306         evaluation of factorials, and (recursively) calling fold to perform
15307         compile-time arithmetic.  Return NULL on (internal) overflow.
15308         (chrec_evaluate): Change type of K to an unsigned int.  Avoid
15309         calling tree_fold_binomial unnecessarily.  Return chrec_dont_know
15310         if any intermediate calculation overflows.
15311         (chrec_apply): Update call to chrec_evaluate.
15312
15313 2005-02-28  James E Wilson  <wilson@specifixinc.com>
15314
15315         * config/mips/mips.h (NO_PROFILE_COUNTERS): Define.
15316
15317 2005-02-28  Joseph S. Myers  <joseph@codesourcery.com>
15318
15319         PR c/20245
15320         * c-parser.c (c_parser_compound_statement): Return error_mark_node
15321         instead of NULL_TREE on error.
15322
15323 2005-02-28  David Edelsohn  <edelsohn@gnu.org>
15324
15325         * config/rs6000/rs6000.c (EASY_VECTOR_15): Remove.
15326         (EASY_VECTOR_15_ADD_SELF): Remove.
15327         (num_insns_constant_wide): Not static.
15328         (validate_condition_mode): Not static.
15329         (toc_relative_expr_p): Not static.
15330         (legitimate_indirect_address_p): Not static.
15331         (macho_lo_sum_memory_operand): Not static.
15332         (invalid_e500_subreg): Not static.
15333         (easy_vector_same): Not static.
15334         (easy_vector_splat_const): Not static.
15335         (RS6000_SYMBOL_REF_TLS_P): Remove.
15336         (any_operand): Delete.
15337         (any_parallel_operand): Delete.
15338         (count_register_operand): Delete.
15339         (altivec_register_operand): Delete.
15340         (xer_operand): Delete.
15341         (s8bit_cint_operand): Delete.
15342         (short_cint_operand): Delete.
15343         (u_short_cint_operand): Delete.
15344         (non_short_cint_operand): Delete.
15345         (exact_log2_cint_operand): Delete.
15346         (gpc_reg_operand): Delete.
15347         (cc_reg_operand): Delete.
15348         (cc_reg_not_cr0_operand): Delete.
15349         (reg_or_short_operand): Delete.
15350         (reg_or_neg_short_operand): Delete.
15351         (reg_or_aligned_short_operand): Delete.
15352         (reg_or_u_short_operand): Delete.
15353         (reg_or_cint_operand): Delete.
15354         (reg_or_arith_cint_operand): Delete.
15355         (reg_or_add_cint64_operand): Delete.
15356         (reg_or_sub_cint64_operand): Delete.
15357         (reg_or_logical_cint_operand): Delete.
15358         (got_operand): Delete.
15359         (got_no_const_operand): Delete.
15360         (easy_fp_constant): Delete.
15361         (easy_vector_constant): Delete.
15362         (easy_vector_constant_add_self): Delete.
15363         (zero_constant): Delete.
15364         (zero_fp_constant): Delete.
15365         (volatile_mem_operand): Delete.
15366         (offsettable_mem_operand): Delete.
15367         (mem_or_easy_const_operand): Delete.
15368         (add_operand): Delete.
15369         (non_add_cint_operand): Delete.
15370         (logical_operand): Delete.
15371         (non_logical_cint_operand): Delete.
15372         (mask_operand): Delete.
15373         (mask_operand_wrap): Delete.
15374         (mask64_operand): Delete.
15375         (mask64_2_operand): Delete.
15376         (and64_operand): Delete.
15377         (and64_2_operand): Delete.
15378         (and_operand): Delete.
15379         (reg_or_mem_operand): Delete.
15380         (lwa_operand): Delete.
15381         (symbol_ref_operand): Delete.
15382         (call_operand): Delete.
15383         (current_file_function_operand): Delete.
15384         (input_operand): Delete.
15385         (rs6000_nonimmediate_operand): Delete.
15386         (rs6000_tls_symbol_ref): Delete.
15387         (save_world_operation): Delete.
15388         (restore_world_operation): Delete.
15389         (load_multiple_operation): Delete.
15390         (store_multiple_operation): Delete.
15391         (vrsave_operation): Delete.
15392         (mfcr_operation): Delete.
15393         (mtcrf_operation): Delete.
15394         (lmw_operation): Delete.
15395         (stmw_operation): Delete.
15396         (branch_comparison_operator): Delete.
15397         (branch_positive_comparison_operator): Delete.
15398         (scc_comparison_operator): Delete.
15399         (trap_comparison_operator): Delete.
15400         (boolean_operator): Delete.
15401         (boolean_or_operator): Delete.
15402         (min_max_operator): Delete.
15403         * config/rs6000/rs6000.h (RS6000_SYMBOL_REF_TLS_P): Move to here.
15404         (EASY_VECTOR_15): Moved to here.
15405         (EASY_VECTOR_15_ADD_SELF): Move to here.
15406         (PREDICATE_CODES): Delete.
15407         * config/rs6000/rs6000-protos.h: Delete predicate functions.
15408         Declare functions no longer static.
15409         * config/rs6000/predicates.md: New.
15410         * config/rs6000/rs6000.md: Include predicates.md
15411
15412 2005-02-28  Kazu Hirata  <kazu@cs.umass.edu>
15413
15414         * calls.c (emit_call_1): Don't use  REG_ALWAYS_RETURN.
15415         (emit_library_call_value_1): Don't use LCT_ALWAYS_RETURN and
15416         REG_ALWAYS_RETURN.
15417         * cfgrtl.c (need_fake_edge_p): Likewise.
15418         * combine.c (distribute_notes): Likewise.
15419         * emit-rtl.c (try_split): Likewise.
15420         * recog.c (peephole2_opimize): Likewise.
15421         * reg-notes.def (ALWAYS_RETURN): Remove.
15422         * rtl.h (LCT_ALWAYS_RETURN): Remove.
15423         * tree-cfg.c (need_fake_edge_p): Don't use ECF_ALWAYS_RETURN.
15424         * tree.h (ECF_ALWAYS_RETURN): Remove.
15425
15426 2005-02-28  Roger Sayle  <roger@eyesopen.com>
15427
15428         PR middle-end/19874
15429         * tree-ssa.c (tree_ssa_useless_type_conversion_1): A conversion
15430         between different machine modes is never a "useless" conversion.
15431
15432 2005-02-28  Geert Bosch  <bosch@gnat.com>
15433
15434         PR ada/15977
15435         * doc/contrib.texi: List contributors for Ada front end
15436
15437 2005-02-28 Paolo Bonzini <bonzini@gnu.org>
15438
15439         * simplify-rtx.c (simplify_unary_operation_1,
15440         simplify_const_unary_operation): New, extracted from...
15441         (simplify_unary_operation): ... this one.
15442         (simplify_binary_operation_1,
15443         simplify_const_binary_operation): New, extracted from...
15444         (simplify_binary_operation): ... this one.
15445         * rtl.h (simplify_const_unary_operation,
15446         simplify_const_binary_operation): Add prototypes.
15447
15448 2005-02-28  Julian Brown  <julian@codesourcery.com>
15449
15450         * config/elfos.h: Revert my patch from 2005-02-25 since it broke
15451         building libjava and caused PR regression/20228.
15452
15453 2005-02-28  Paolo Bonzini  <bonzini@gnu.org>
15454
15455         PR bootstrap/17383
15456         * Makefile.in (host_subdir): New.
15457         (build_objdir): New.  Replace ../$(build_subdir) with it throughout.
15458         * configure: Regenerate.
15459
15460 2005-02-27  Zack Weinberg  <zack@codesourcery.com>
15461
15462         * config/alpha/t-osf4, config/arm/t-netbsd, config/ia64/t-hpux
15463         * config/pa/t-hpux-shlib (SHLIB_INSTALL): Create the
15464         installation directory first.
15465
15466 2005-02-28  Hans-Peter Nilsson  <hp@axis.com>
15467
15468         PR target/19065.
15469         * config/cris/cris.h (EXTRA_CONSTRAINT_Q): Accept only (mem (reg)),
15470         not including (reg). Do not check for reg being CRIS_PC_REGNUM.
15471         (EXTRA_MEMORY_CONSTRAINT): Define as 'Q'.
15472         * config/cris/cris.md: Tweak comments referring to Q.
15473         ("cmpsi", "cmphi", "cmpqi", "*movsi_internal", "movhi")
15474         ("movstricthi", "movqi", "movstrictqi", "movsf", "addsi3")
15475         ("addhi3", "addqi3", "subsi3", "subhi3", "subqi3")
15476         ("*expanded_andsi", "*expanded_andhi", "*andhi_lowpart", "andqi3")
15477         ("*andqi_lowpart", "iorsi3", "iorhi3", "iorqi3", "uminsi3"):
15478         Insert spaces in constraints to align alternatives vertically for
15479         readability.
15480         ("cmphi"): Ditto.  Add separate alternative for operand 0 "r",
15481         operand 1: "M".
15482
15483 2005-02-27  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
15484
15485         PR rtl-optimization/17728
15486         * pa.md (mulsi3, divsi3, udivsi3, modsi3): Change predicate for
15487         operand 0 from general_operand to move_dest_operand.
15488
15489 2005-02-26  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
15490
15491         * pa/elf.h, pa/som.h (ASM_OUTPUT_EXTERNAL): Use assemble_name_raw
15492         instead of trying to save and restore TREE_SYMBOL_REFERENCED.
15493         * pa/pa64-hpux.h (ASM_OUTPUT_TYPE_DIRECTIVE): Define.
15494         (ASM_OUTPUT_EXTERNAL): Don't save and restore TREE_SYMBOL_REFERENCED.
15495
15496 2005-02-26  Nathanael Nerode  <neroden@gcc.gnu.org>
15497
15498         * configure.ac: Rename cc_for_cross_gnattools to host_cc_for_libada.
15499         * configure: Regenerate.
15500         * libada-mk.in: Remove CC; rename
15501         cc_for_cross_gnattools / cc_set_by_configure to host_cc_for_libada.
15502
15503 2005-02-26  Andrew Pinski  <pinskia@physics.uc.edu>
15504
15505         PR tree-opt/20188
15506         * tree-ssa-alias.c (count_uses_and_derefs): If we have TREE_LIST
15507         for the lhs, also walk over the tree.  Likewise for rhs.
15508
15509 2005-02-26  Zdenek Dvorak  <dvorakz@suse.cz>
15510
15511         * tree-ssa-dom.c (simple_iv_increment_p): New function.
15512         (simplify_rhs_and_lookup_avail_expr, eliminate_redundant_computations):
15513         Do not propagate value of iv before increment over the increment.
15514
15515 2005-02-25  Joseph S. Myers  <joseph@codesourcery.com>
15516
15517         * c-parser.c: New file.
15518         * c-parse.in: Remove.
15519         * Makefile.in (c-parse.o-warn, c-parse.o, c-parse.c, c-parse.y):
15520         Remove.
15521         (c-parser.o): Add dependencies.
15522         (C_AND_OBJC_OBJC, C_OBJS, gcc.srcextra, GTFILES, distclean,
15523         maintainer-clean, TAGS): Update.
15524         * c-config-lang.in (gtfiles): Update.
15525         * gengtype-lex.l: Don't handle "@@".
15526         * stub-objc.c (objc_get_class_ivars, objc_build_throw_stmt,
15527         objc_build_synchronized, objc_begin_try_stmt,
15528         objc_begin_catch_clause, objc_finish_catch_clause,
15529         objc_build_finally_clause, objc_finish_try_stmt): New.
15530         * c-tree.h (struct c_declspecs): Add declspecs_seen_p and
15531         type_seen_p.
15532         (c_parse_init): Update comment.
15533         * c-decl.c (c_init_decl_processing): Update comment.
15534         (build_null_declspecs, declspecs_add_qual, declspecs_add_type,
15535         declspecs_add_scspec, declspecs_add_attrs): Initialize and update
15536         new c_declspecs members.
15537
15538 2005-02-25  Julian Brown  <julian@codesourcery.com>
15539
15540         * config/elfos.h (MAKE_DECL_ONE_ONLY): Redefined to stop DECL_WEAK
15541         from being used for symbols with vague linkage when
15542         HAVE_GAS_COMDAT_GROUP is true.
15543
15544 2005-02-25  Mark Mitchell  <mark@codesourcery.com>
15545
15546         * doc/include/gcc-common.texi (version-GCC): Update to 4.1.
15547
15548 2005-02-25  Steve Ellcey  <sje@cup.hp.com>
15549
15550         PR target/19930
15551         * doc/tm.texi (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Document.
15552         (LIBGCC2_HAS_DF_MODE): New.
15553         (LIBGCC2_HAS_XF_MODE): New.
15554         (LIBGCC2_HAS_TF_MODE): New.
15555         * libgcc2.h (LIBGCC2_HAS_XF_MODE): New name for HAVE_XFMODE.
15556         (LIBGCC2_HAS_TF_MODE): New name for HAVE_TFMODE.
15557         * libgcc2.c (LIBGCC2_HAS_XF_MODE): New name for HAVE_XFMODE.
15558         (LIBGCC2_HAS_TF_MODE): New name for HAVE_TFMODE.
15559         (LIBGCC2_HAS_DF_MODE): New name for HAVE_DFMODE.
15560         * config/ia64/t-ia64 (LIB1ASMFUNCS): Remove __compat
15561         and add _fixtfdi, _fixunstfdi, _floatditf
15562         * lib1funcs.asm: Remove L__compat. Add L_fixtfdi,
15563         L_fixunstfdi, L_floatditf.
15564         * config/ia64/hpux.h (LIBGCC2_HAS_XF_MODE): Define.
15565         (LIBGCC2_HAS_TF_MODE): Define.
15566
15567 2005-02-25  Diego Novillo  <dnovillo@redhat.com>
15568
15569         PR tree-optimization/20204
15570         * tree-into-ssa.c (insert_phi_nodes_for): Do not use
15571         REWRITE_THIS_STMT markers on PHI nodes.
15572         (rewrite_initialize_block): Likewise.
15573
15574 2005-02-25  Mark Mitchell  <mark@codesourcery.com>
15575
15576         * version.c (version_string): Update to 4.1.
15577
15578 2005-02-25  Paolo Carlini  <pcarlini@suse.de>
15579
15580         * doc/extend.texi (5.24 Declaring Attributes of Functions)<noreturn>:
15581         Clarify that the alternative way doesn't work in GNU C++.
15582
15583 2005-02-25  Zdenek Dvorak  <dvorakz@suse.cz>
15584
15585         PR tree-optimization/19937
15586         * tree-ssa-loop-ivopts.c (rewrite_use_compare): Cast the final value
15587         to the type of the induction variable.
15588
15589 2005-02-25  Kaz Kojima  <kkojima@gcc.gnu.org>
15590
15591         PR rtl-optimization/20117
15592         * bb-reorder.c (duplicate_computed_gotos): Don't duplicate
15593         the block including noncopyable insn.
15594
15595 2005-02-24  Kazu Hirata  <kazu@cs.umass.edu>
15596
15597         * cse.c (delete_trivially_dead_insns): Speed up by minimizing
15598         calls to find_reg_note.
15599
15600 2005-02-24  Richard Henderson  <rth@redhat.com>
15601
15602         PR tree-opt/20127
15603         * tree-sra.c (instantiate_element): Copy TREE_THIS_VOLATILE from
15604         the type.
15605
15606 2005-02-24  Fariborz Jahanian <fjahanian@apple.com>
15607
15608         * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Check for
15609         vector types if to use base reg for misaligned non-word ld/std.
15610
15611 2005-02-24  Hans-Peter Nilsson  <hp@axis.com>
15612
15613         PR target/14619
15614         * config/cris/cris.c (cris_target_asm_function_prologue): Create
15615         dwarf2 label manually and put it after, not before the prologue.
15616
15617 2005-02-24  David Edelsohn  <edelsohn@gnu.org>
15618
15619         PR target/19019
15620         * reload.c (operands_match_p): Only increment register number for
15621         SCALAR_INT_MODE_P modes in multiple hard registers.
15622
15623         * config/rs6000/rs6000.md (trunctfdf2): Remove register constraints.
15624         Fix formatting.
15625
15626 2005-02-24  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
15627
15628         * ChangeLog.5: Fix log message typo(s).
15629         * ChangeLog.7: Likewise.
15630         * ChangeLog.tree-ssa: Likewise.
15631         * cfgexpand.c: Fix comment typo(s).
15632         * conflict.c: Likewise.
15633         * defaults.h: Likewise.
15634         * dwarf2out.c: Likewise.
15635         * gcse.c: Likewise.
15636         * ggc-page.c: Likewise.
15637         * tree-eh.c: Likewise.
15638         * tree-ssa-dom.c: Likewise.
15639
15640 2005-02-24  Jakub Jelinek  <jakub@redhat.com>
15641
15642         PR target/19019
15643         * mklibgcc.in: Pass -DSHARED when compiling all *_s${objext} objects.
15644         * config/rs6000/darwin-ldouble.c: Only use the .symver directives
15645         if SHARED is defined.
15646
15647         PR target/20196
15648         * config/rs6000/rs6000.md (LTU, GTU sCC splitters): Add earlyclobber,
15649         allow splitting only if operands 0 and 3 don't overlap.
15650
15651 2005-02-24  Richard Henderson  <rth@redhat.com>
15652
15653         PR middle-end/19953
15654         * builtins.c (fold_builtin_complex_mul, fold_builtin_complex_div): New.
15655         (fold_builtin_1): Call them.
15656         * fold-const.c (fold_complex_mult_parts): Split out from ...
15657         (fold_complex_mult): ... here.  Fix typo in both imaginary case.
15658         (fold_complex_div_parts, fold_complex_div): New.
15659         (fold): Use them.
15660         * tree.h (fold_complex_mult_parts, fold_complex_div_parts): Declare.
15661
15662 2005-02-24  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
15663
15664         * tree-ssa-ccp.c (visit_assignment): Verify that result of
15665         VIEW_CONVERT_EXPR is_gimple_min_invariant.
15666
15667         * print-tree.c (print_node_brief): Print LABEL_DECL_UID.
15668         (print_node): Likewise.
15669         Print TYPE_SIZES_GIMPLIFIED.
15670
15671 2005-02-24  Hans-Peter Nilsson  <hp@axis.com>
15672
15673         * config/cris/cris.md ("umulhisi3", "umulqihi3", "mulsi3")
15674         ("mulqihi3", "mulhisi3", "mulsidi3", "umulsidi3"): Mark input
15675         operands as commutative in constraints.
15676
15677 2005-02-24  Diego Novillo  <dnovillo@redhat.com>
15678
15679         * tree-into-ssa.c: Re-organize internal functions.
15680
15681 2005-02-24  Richard Henderson  <rth@redhat.com>
15682
15683         PR middle-end/18902
15684         * c-opts.c (c_common_post_options): Set flag_complex_method to 2
15685         for c99.
15686         * common.opt (fcx-limited-range): New.
15687         * opts.c (set_fast_math_flags): Set flag_cx_limited_range.
15688         * toplev.c (flag_complex_method): Initialize to 1.
15689         (process_options): Set flag_complex_method to 0 if
15690         flag_cx_limited_range.
15691         * doc/invoke.texi (-fcx-limited-range): New.
15692
15693 2005-02-24  Kazu Hirata  <kazu@cs.umass.edu>
15694
15695         * cse.c (delete_trivially_dead_insns): Speed up by using
15696         NEXT_INSN and PREV_INSN directly instead of next_real_insn and
15697         prev_real_insn.
15698
15699 2005-02-24  Andrea Tarani  <andrea.tarani@gilbarco.com>
15700
15701         * config/m68k/m68k.c (m68k_save_reg): Also save A5 for non-leaf
15702         functions when -mid-shared-library is being used.
15703
15704 2005-02-23  Daniel Jacobowitz  <dan@codesourcery.com>
15705
15706         * doc/tm.texi (LINK_LIBGCC_SPECIAL): Remove.
15707         (LINK_LIBGCC_SPECIAL_1): Don't mention it.
15708         * gcc.c: Don't check for LINK_LIBGCC_SPECIAL.
15709         * system.h: Poison LINK_LIBGCC_SPECIAL.
15710
15711 2005-02-23  James E Wilson  <wilson@specifixinc.com>
15712
15713         * gengtype.c (note_insn_name): Make 1 element larger.
15714
15715 2005-02-23  Roger Sayle  <roger@eyesopen.com>
15716
15717         PR target/20018
15718         PR rtl-optimization/20097
15719         * simplify-rtx.c (simplify_relational_operation_1): Avoid creating
15720         BImode SUBREGs of SImode registers which confuse the ia64 backend.
15721
15722 2005-02-23  David Edelsohn  <edelsohn@gnu.org>
15723
15724         * t-aix43 (SHLIB_INSTALL): Create directory for shared library.
15725         * t-aix52 (SHLIB_INSTALL): Same.
15726
15727 2005-02-23  Kazu Hirata  <kazu@cs.umass.edu>
15728
15729         * genpreds.c: Update copyright.
15730
15731 2005-02-23  Michael Beach  <michaelb@ieee.org>
15732
15733         PR target/20159
15734         * config/sparc/t-elf (startup files): Assemble with CPP.
15735
15736 2005-02-23  Paolo Bonzini  <bonzini@gnu.org>
15737
15738         * genpreds.c (mark_mode_tests): Handle non-VOIDmode match_operands.
15739         (write_predicate_expr): Likewise.
15740
15741 2005-02-22  Diego Novillo  <dnovillo@redhat.com>
15742
15743         PR tree-optimization/20100
15744         PR tree-optimization/20115
15745         * tree-optimize.c (init_tree_optimization_passes): Remove
15746         pass_maybe_create_global_var.
15747         * tree-pass.h (pass_maybe_create_global_var): Remove.
15748         * tree-ssa-alias.c (aliases_computed_p): Declare.
15749         (struct alias_info): Add field NUM_PURE_CONST_CALLS_FOUND.
15750         (count_calls_and_maybe_create_global_var): Remove.
15751         (pass_maybe_create_global_var): Remove.
15752         (init_alias_info): Do not declare aliases_computed_p.
15753         (maybe_create_global_var): If the function contains no
15754         call-clobbered variables and a mix of pure/const and regular
15755         function calls, create .GLOBAL_VAR.
15756         Mark all call-clobbered variables for renaming.
15757         (merge_pointed_to_info): Update comment.
15758         (add_pointed_to_var): Likewise.
15759         (is_escape_site): Likewise.
15760         Accept struct alias_info * instead of size_t *.
15761         Update all users.
15762         Update AI->NUM_CALLS_FOUND and AI->NUM_PURE_CONST_CALLS_FOUND
15763         as necessary.
15764         * tree-ssa-operands.c (get_call_expr_operands): If
15765         ALIASES_COMPUTED_P is false, do not add call-clobbering
15766         operands.
15767         * tree-ssa.c (init_tree_ssa): Set ALIASES_COMPUTED_P to false.
15768         (delete_tree_ssa): Likewise.
15769
15770 2005-02-22  James E Wilson  <wilson@specifixinc.com>
15771
15772         * toplev.c (backend_init): Don't call init_adjust_machine_modes here.
15773         (do_compile): Do call it here.
15774
15775 2005-02-22  Kazu Hirata  <kazu@cs.umass.edu>
15776
15777         PR rtl-optimization/20017.
15778         * passes.c (rest_of_handle_combine, rest_of_handle_cse,
15779         rest_of_handle_cse2, rest_of_handle_gcse): Call
15780         delete_dead_jumptables immediately before calling cleanup_cfg.
15781
15782 2005-02-22  Devang Patel  <dpatel@apple.com>
15783
15784         PR 19952
15785         * tree-if-conv.c (process_phi_nodes): Use bsi_after_labels and skip
15786         all labels
15787
15788 2005-02-22  David Edelsohn  <edelsohn@gnu.org>
15789
15790         * config/rs6000/aix.h (WINT_TYPE): Define.
15791
15792 2005-02-22  Stan Shebs  <shebs@apple.com>
15793
15794         * config/rs6000/rs6000.c (rs6000_override_options): Default to
15795         natural alignment for 64-bit Darwin.
15796         (rs6000_parse_alignment_option): Warn about uses of -malign-power
15797         on 64-bit Darwin.
15798         * doc/invoke.texi: Document this.
15799
15800 2005-02-22  DJ Delorie  <dj@redhat.com>
15801
15802         * c-common.c (c_common_type_for_mode): Pass the mode's precision
15803         to make_[un]signed_type, not the mode itself.
15804
15805 2005-02-22  Kazu Hirata  <kazu@cs.umass.edu>
15806
15807         * cfg.c (cached_make_edge): Call make_edge if edge cache is
15808         not available.  Use tail calls wherever possible.
15809         (make_edge): Call unchecked_make_edge to create an edge.
15810
15811         * tree-outof-ssa.c (SSANORM_USE_COALESCE_LIST): Remove.
15812         (coalesce_ssa_name): Don't check for
15813         SSANORM_USE_COALESCE_LIST.
15814         (rewrite_out_of_ssa): Don't use SSANORM_USE_COALESCE_LIST.
15815
15816 2005-02-22  Diego Novillo  <dnovillo@redhat.com>
15817
15818         * tree-into-ssa.c (rewrite_blocks): Move debug dumps from ...
15819         (rewrite_into_ssa): ... here.
15820
15821 2005-02-21  Alexandre Oliva  <aoliva@redhat.com>
15822
15823         PR tree-optimization/19786
15824         * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add one
15825         tag to another's may-alias bitmap when adding to the other's list.
15826
15827 2005-02-21  DJ Delorie  <dj@redhat.com>
15828
15829         * tree-ssa-loop-ivopts.c (computation_cost): Start register
15830         numbering at LAST_VIRTUAL_REGISTER+1 to avoid possibly using hard
15831         registers in unsupported ways.
15832         * expmed.c (init_expmed): Likewise.
15833
15834 2005-02-21  Stan Cox  <scox@redhat.com>
15835
15836         * config/iq2000/iq2000.h (DWARF_FRAME_RETURN_COLUMN): Change to 31.
15837
15838 2005-02-21  Kazu Hirata  <kazu@cs.umass.edu>
15839
15840         * tree-cfg.c (fold_cond_expr_cond): New.
15841         (make_edges): Call fold_cond_expr_cond.
15842         (find_taken_edge): Accept nothing but INTEGER_CST.
15843         (find_taken_edge_cond_expr): Reject INTEGER_CST other than 0
15844         and 1.
15845         (find_taken_edge_switch_expr): Remove a check for INTEGER_CST.
15846
15847         * flow.c (delete_dead_jumptables): Speed up by scanning insns
15848         that do not belong to any basic block.
15849
15850 2005-02-21  Jeff Law  <law@redhat.com>
15851
15852         * cfganal.c (find_unreachable_blocks): Manually CSE load of
15853         e->dest.
15854
15855 2005-02-21  Kazu Hirata  <kazu@cs.umass.edu>
15856
15857         * tree-outof-ssa.c (SSANORM_REMOVE_ALL_PHIS): Remove.
15858         (SSANORM_COALESCE_PARTITIONS, SSANORM_USE_COALESCE_LIST):
15859         Adjust their definitions.
15860         (remove_ssa_form): Don't check for SSANORM_REMOVE_ALL_PHIS.
15861         (rewrite_out_of_ssa): Don't use SSANORM_REMOVE_ALL_PHIS.
15862
15863         * c-objc-common.h, c-pretty-print.c, cgraphunit.c, except.c,
15864         genautomata.c, langhooks.c, langhooks.h, system.h,
15865         config/arm/lib1funcs.asm: Update copyright.
15866
15867 2005-02-21  Ulrich Weigand  <uweigand@de.ibm.com>
15868
15869         * dbxout.c (dbxout_function_end): Emit Lscope label always.
15870
15871 2005-02-21  Richard Guenther  <rguenth@gcc.gnu.org>
15872
15873         PR bootstrap/13770
15874         * doc/install.texi: Document --with-gc.
15875
15876 2005-02-21  Paolo Bonzini  <bonzini@gnu.org>
15877
15878         * simplify-rtx.c (simplify_unary_operation): Add a missing
15879         "break" statement.
15880
15881 2005-02-21  Eric Botcazou  <ebotcazou@libertysurf.fr>
15882
15883         PR tree-optimization/18663
15884         * tree-ssa-dom.c (extract_range_from_cond): Return 0
15885         if the type has variable bounds.
15886
15887 2005-02-20  Kazu Hirata  <kazu@cs.umass.edu>
15888
15889         * gcse.c: Remove an obsolete comment.
15890
15891         * cse.c (init_cse_reg_info): Use xmalloc instead of xrealloc.
15892
15893 2005-02-20  Hans-Peter Nilsson  <hp@axis.com>
15894
15895         * doc/extend.texi (Function Attributes) <Attribute const>: The
15896         attribute "pure" is below this text, not above.
15897
15898 2005-02-20  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
15899
15900         * pa.c (pa_assemble_integer, get_plabel): Small cleanups.
15901         (pa_asm_output_mi_thunk): Use asm_output_insn instead of fprintf.
15902         * som.h (ASM_OUTPUT_EXTERNAL_LIBCALL): Small cleanup.
15903
15904 2005-02-20  Zack Weinberg  <zack@codesourcery.com>
15905
15906         PR 18785
15907         * langhooks.h (struct lang_hooks): Add to_target_charset.
15908         * langhooks.c (lhd_to_target_charset): New function.
15909         * langhooks-def.h: Declare lhd_to_target_charset.
15910         (LANG_HOOKS_TO_TARGET_CHARSET): New macro.
15911         (LANG_HOOKS_INITIALIZER): Update.
15912         * c-common.c (c_common_to_target_charset): New function.
15913         * c-common.h: Declare it.
15914         * c-objc-common.h (LANG_HOOKS_TO_TARGET_CHARSET): Set to
15915         c_common_to_target_charset.
15916
15917         * defaults.c (TARGET_BELL, TARGET_BS, TARGET_CR, TARGET_DIGIT0)
15918         (TARGET_ESC, TARGET_FF, TARGET_NEWLINE, TARGET_TAB, TARGET_VT):
15919         Delete definitions.
15920         * system.h: Poison them.
15921         * doc/tm.texi: Don't discuss them.
15922         * builtins.c (fold_builtin_isdigit): Use lang_hooks.to_target_charset.
15923         * c-pretty-print.c (pp_c_integer_constant): Don't use pp_c_char.
15924         (pp_c_char): Do not attempt to generate letter escapes for
15925         newline, tab, etc.
15926         * config/arm/arm.c (output_ascii_pseudo_op): Likewise.
15927         * config/mips/mips.c (mips_output_ascii): Likewise.
15928
15929 2005-02-20  Dorit Naishlos  <dorit@il.ibm.com>
15930
15931         PR tree-optimization/19951
15932         * tree-vect-analyze.c (vect_analyze_loop_form): Check if loop exit edge
15933         is abnormal.
15934
15935 2005-02-19  Steven Bosscher  <stevenb@suse.de>
15936
15937         PR middle-end/19698
15938         * function.h (struct function): New field `max_loop_depth'.
15939         * cfgloop.c (establish_preds): Update maximum loop depth seen so far.
15940         (flow_loops_find): Reset the max loop depth count before finding loops.
15941         * flow.c (MAX_LIVENESS_ROUNDS): New constant.
15942         (update_life_info_in_dirty_blocks): Remove 2002-05-28 workaround.
15943         (calculate_global_regs_live): Make sure the loop will terminate
15944         when the initial sets are not empty.
15945
15946 2005-02-19  Zack Weinberg  <zack@codesourcery.com>
15947
15948         * mklibgcc.in: If libgcc_eh.a would be empty, put a dummy
15949         object inside.
15950         * config/ia64/hpux.h: Don't define LIBGCC_SPEC.
15951
15952 2005-02-19  Richard Sandiford  <rsandifo@redhat.com>
15953
15954         PR other/19525
15955         * doc/invoke.texi: Remove documentation of %M spec.
15956         * gcc.c: Likewise.
15957         (init_spec): Remove %M suffix from -lgcc_s.
15958         (do_spec_1): Remove 'M' case.
15959         * mklibgcc.in: Remove SHLIB_MULTILIB handling.  Expect SHLIB_LINK
15960         to put shared libraries in the multilib directory.  Remove the
15961         shlib_so_soname substitution variable.  Don't add a multilib encoding
15962         to shlib_base_name.  Set shlib_slibdir_qual to the full pathname
15963         reported by -print-multi-os-directory.  Pass @multilib_dir@ to
15964         SHLIB_INSTALL as well as SHLIB_LINK.
15965         * config/t-slibgcc-elf-ver (SHLIB_SONAME): Use @shlib_base_name@.
15966         (SHLIB_NAME): Delete.
15967         (SHLIB_DIR): New macro.
15968         (SHLIB_LINK): Put $(SHLIB_SONAME) and $(SHLIB_SOLINK) in $(SHLIB_DIR).
15969         (SHLIB_INSTALL): Adjust accordingly.
15970         * config/t-slibgcc-darwin: As for t-slibgcc-elf-ver.
15971         * config/t-slibgcc-sld: Likewise.
15972         * config/t-libunwind-elf (SHLIBUNWIND_NAME): Delete.
15973         (SHLIBUNWIND_SONAME): Use @shlib_base_name@.
15974         (SHLIBUNWIND_LINK): Put $(SHLIBUNWIND_SONAME) and $(SHLIB_SOLINK)
15975         in $(SHLIB_DIR).
15976         (SHLIBUNWIND_INSTALL): Adjust accordingly.
15977         * config/i386/t-nwld (SHLIB_SONAME): Delete.
15978         (SHLIB_LINK, SHLIB_INSTALL): Use SHLIB_NAME instead of SHLIB_SONAME.
15979         Use @shlib_base_name@ instead of @shlib_so_name@.
15980         * config/ia64/t-hpux (SHLIB_LINK): Put @shlib_base_name@.so.0
15981         and @shlib_base_name@.so in @multilib_dir@.
15982         (SHLIB_INSTALL): Adjust accordingly.  Add @shlib_slibdir_qual@
15983         to the install path.
15984         * config/mips/t-slibgcc-irix: As for t-slibgcc-elf-ver.
15985         (SHLIB_LINK): Remove previous workaround.
15986         * config/pa/t-hpux-shlib (SHLIB_DIR, SHLIB_SLIBDIR_QUAL): New macros.
15987         (SHLIB_LINK): Put $(SHLIB_SONAME) and $(SHLIB_NAME) in $(SHLIB_DIR).
15988         (SHLIB_INSTALL): Adjust accordingly.  Add $(SHLIB_SLIBDIR_QUAL) to
15989         the install path.
15990         * config/rs6000/t-aix43 (SHLIB_LINK): Put @shlib_base_name@.a in
15991         @multilib_dir@.  Use @multilib_dir@ to check for threading libraries.
15992         (SHLIB_INSTALL): Adjust accordingly.
15993         (SHLIB_LIBS): Use @multilib_dir@ to check for threading libraries.
15994         * config/rs6000/t-aix52: As for config/rs6000/t-aix43.
15995         * config/sh/t-linux (SHLIB_LINK, SHLIB_INSTALL): As for
15996         config/t-slibgcc-elf-ver.
15997
15998 2005-02-19  Zdenek Dvorak  <dvorakz@suse.cz>
15999             Jakub Jelinek  <jakub@redhat.com>
16000
16001         PR tree-optimization/19828
16002         * tree-ssa-loop-im.c: Add a TODO comment.
16003         (movement_possibility): Return MOVE_PRESERVE_EXECUTION for calls
16004         without side-effects.
16005
16006 2005-02-18  James A. Morrison  <phython@gcc.gnu.org>
16007
16008         * tree-ssa-ccp.c (widen_bitfield): Pass type to build_int_cst and don't
16009         call fold_convert.
16010
16011 2005-02-18  James E. Wilson  <wilson@specifixinc.com>
16012
16013         * doc/invoke.texi (IA-64 Options): Delete -mb-step.
16014         * config/ia64/ia64.c (last_group, group_idx): Delete variables.
16015         (errata_find_address_regs, errata_emit_nops, fixup_errata): Delete
16016         functions.
16017         (ia64_reorg): Delete fixup_errata call.
16018         * config/ia64/ia64.h (MASK_B_STEP, TARGET_B_STEP): Delete.
16019         (TARGET_SWITCHES): Delete -mb-step entry.
16020
16021 2005-02-19  Jakub Jelinek  <jakub@redhat.com>
16022
16023         PR c/20043
16024         * c-typeck.c (composite_type): Handle quals in transparent unions.
16025         (type_lists_compatible_p): Likewise.
16026
16027 2005-02-18  Stan Shebs  <shebs@apple.com>
16028
16029         * config/darwin.c (machopic_select_rtx_section): Don't put relocatable
16030         expressions in the .literal8 section.
16031
16032 2005-02-18  Geoffrey Keating  <geoffk@apple.com>
16033
16034         * config/rs6000/darwin-tramp.asm: Remove stray 'APPLE LOCAL' marker.
16035
16036 2005-02-18  Roger Sayle  <roger@eyesopen.com>
16037
16038         * fold-const.c (constant_boolean_node): Always create values of the
16039         specified type, don't bother calling truthvalue_conversion.
16040
16041 2005-02-18  Joseph S. Myers  <joseph@codesourcery.com>
16042
16043         * except.c (output_function_exception_table): Call
16044         assemble_external_libcall (eh_personality_libfunc).
16045
16046 2005-02-18  Joseph S. Myers  <joseph@codesourcery.com>
16047
16048         PR target/19886
16049         * config/ia64/ia64.h (struct machine_function): Add state_num.
16050         * config/ia64/ia64.c (process_epilogue,
16051         process_for_unwind_directive): Use new unwind state numbers each
16052         time rather than state 1.
16053
16054 2005-02-18  Ulrich Weigand  <uweigand@de.ibm.com>
16055
16056         PR target/20054
16057         * config/s390/s390.md ("*llgt_sidi", "*llgt_sidi_split"): Move to
16058         before the "*llgt_didi" pattern.
16059
16060 2005-02-18  Jason Merrill  <jason@redhat.com>
16061
16062         * gimplify.c (gimplify_modify_expr_rhs) [CALL_EXPR]: Revert again.
16063
16064 2005-02-18  Richard Earnshaw  <rearnsha@arm.com>
16065
16066         * arm/lib1funcs.asm (FUNC_ALIAS): New macro.
16067         (div0): Use it in place of ARM_FUNC_ALIAS.
16068         (lshrdi3, ashrdi3, ashlrdi3): Likewise.
16069
16070 2005-02-18  Andrew Pinski  <pinskia@physics.uc.edu>
16071
16072         PR middle-end/20030
16073         * fold-const.c (fold_indirect_ref_1): Use the correct index for zero
16074         access, the lower bound of the array type if it exists.
16075
16076 2005-02-18  Alexandre Oliva  <aoliva@redhat.com>
16077
16078         PR c++/20008
16079         * stmt.c (expand_case): Don't assume cleanup_tree_cfg will remove
16080         cases that are out-of-range for the index type.
16081
16082 2005-02-18  James A. Morrison  <phython@gcc.gnu.org>
16083
16084         * stmt.c (emit_case_bit_tests): Call fold_convert instead of convert.
16085         (estimate_case_costs): Don't call convert.
16086         * expmed.c (expand_shift): Likewise.
16087         (make_tree): Call fold_convert instead of convert.
16088
16089 2005-02-18  Jakub Jelinek  <jakub@redhat.com>
16090
16091         PR c++/19813
16092         * emit-rtl.c (set_mem_attributes_minus_bitpos): Add assertion
16093         that ref to be marked MEM_READONLY_P doesn't have base that needs
16094         constructing.
16095
16096 2005-02-18  Joseph S. Myers  <joseph@codesourcery.com>
16097
16098         * genautomata.c (output_get_cpu_unit_code_func,
16099         output_cpu_unit_reservation_p): Don't generate old-style function
16100         definitions.
16101
16102 2005-02-18  Jakub Jelinek  <jakub@redhat.com>
16103
16104         PR c++/20023
16105         PR tree-optimization/20009
16106         * convert.c (convert_to_integer): Revert 2005-02-16 change.
16107
16108         PR tree-optimization/18947
16109         * cgraphunit.c (cgraph_finalize_function): When redefining an extern
16110         inline, remove all nodes that are inlined into the extern inline
16111         being redefined.
16112
16113 2005-02-17  Kazu Hirata  <kazu@cs.umass.edu>
16114
16115         * bt-load.c, cfgloop.c, convert.c, dominance.c, global.c,
16116         loop-invariant.c, stmt.c, tree-ssa-forwprop.c,
16117         tree-ssa-live.c, tree-ssanames.c, tree-vn.c,
16118         config/host-linux.c, config/arm/fpa.md, config/avr/avr.h:
16119         Update copyright.
16120
16121 2005-02-17  Roger Sayle  <roger@eyesopen.com>
16122
16123         PR tree-optimization/19917
16124         * tree-eh.c (tree_could_trap_p): Consider calls to weak functions
16125         to be potentially trapping.
16126
16127 2005-02-17  Kazu Hirata  <kazu@cs.umass.edu>
16128
16129         * libgcc2.c, tree-vect-analyze.c: Fix comment typos.
16130
16131 2005-02-17  Andreas Krebbel  <krebbel1@de.ibm.com>
16132
16133         * builtins.c (expand_builtin_return_addr): Remove tem parameter.
16134         tem becomes a local variable which is set to the value of the
16135         back end defined INITIAL_FRAME_ADDRESS macro.
16136         (expand_builtin_frame_address): Omit the base parameter to
16137         expand_builtin_return_addr.
16138         (expand_builtin_profile_func): Likewise.
16139         * config/s390/s390.h (INITIAL_FRAME_ADDRESS_RTX): Define new macro.
16140         (DYNAMIC_CHAIN_ADDRESS): Remove the case for the initial frame.
16141         * doc/tm.texi: Documentation for INITIAL_FRAME_ADDRESS_RTX added.
16142
16143 2005-02-17  Jakub Jelinek  <jakub@redhat.com>
16144
16145         * config/s390/s390.c (s390_alloc_pool, s390_free_pool,
16146         s390_chunkify_start): Use BITMAP_ALLOC and BITMAP_FREE.
16147         * config/frv/frv.c (frv_function_epilogue): Likewise.
16148
16149 2005-02-17  Daniel Berlin  <dberlin@dberlin.org>
16150
16151         * lambda-code (perfect_nestify): Remove mark/unmark
16152         for rewriting hack.
16153         * tree-loop-linear.c (linear_transform_loops): Add
16154         rewrite_into_ssa call so that ssa is correct for
16155         rewriting into loop closed.
16156
16157 2005-02-17  Nathan Sidwell  <nathan@codesourcery.com>
16158
16159         * bitmap.h (BITMAP_XMALLOC, BITMAP_XFREE): Remove.
16160         * bb-reorder.c (duplicate_computed_gotos): Use BITMAP_ALLOC and
16161         BITMAP_FREE.
16162         * bt-load.c (btr_def_live_range, combine_btr_defs,
16163         migrate_btr_def, migrate_btr_defs): Likewise.
16164         * cfgcleanup.c (thread_jump): Likewise.
16165         * cfgloop.c (get_loop_body_in_bfs_order): Likewise.
16166         * df.c (df_insn_table_realloc, df_bitmaps_alloc, df_bitmaps_free,
16167         df_alloc, df_free, df_du_chain_create, df_bb_rd_local_compute,
16168         df_rd_local_compute, df_reg_info_compute): Likewise.
16169         * dominance.c (init_dom_info, free_dom_info): Likewise.
16170         * flow.c (init_propagate_block_info,
16171         free_propagate_block_info): Likewise.
16172         * gcse.c (alloc_gcse_mem, free_gcse_mem): Likewise.
16173         * global.c (allocate_bb_info, free_bb_info, calculate_reg_pav,
16174         modify_reg_pav): Likewise.
16175         * loop-invariant.c (find_defs, find_invariant_insn,
16176         find_invariants, free_inv_motion_data): Likewise.
16177         * predict.c (tree_predict_by_opcode,
16178         estimate_bb_frequencies): Likewise.
16179         * stmt.c (expand_case): Likewise.
16180         * tree-cfg.c (tree_duplicate_sese_region): Likewise.
16181         * tree-dfa.c (mark_new_vars_to_rename): Likewise.
16182         * tree-if-conv.c (get_loop_body_in_if_conv_order): Likewise.
16183         * tree-into-ssa.c (insert_phi_nodes_for, def_blocks_free,
16184         get_def_blocks_for, mark_def_site_blocks, rewrite_into_ssa,
16185         rewrite_ssa_into_ssa): Likewise.
16186         * tree-optimize.c (tree_rest_of_compilation): Likewise.
16187         * tree-outof-ssa.c (new_temp_expr_table, free_temp_expr_table,
16188         analyze_edges_for_bb, perform_edge_inserts): Likewise.
16189         * tree-scalar-evolution.c (scev_initialize, scev_finalize): Likewise.
16190         * tree-sra.c (tree_sra): Likewise.
16191         * tree-ssa-alias.c (init_alias_info, delete_alias_info): Likewise.
16192         * tree-ssa-ccp.c (ccp_fold_builtin): Likewise.
16193         * tree-ssa-dce.c (tree_dce_init, tree_dce_done): Likewise.
16194         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Likewise.
16195         * tree-ssa-dse.c (tree_ssa_dse): Likewise.
16196         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_var):
16197         Likewise.
16198         * tree-ssa-live.c (new_tree_live_info, delete_tree_live_info,
16199         calculate_live_on_entry, calculate_live_on_exit,
16200         build_tree_conflict_graph): Likewise.
16201         * tree-ssa-loop-ivopts.c (tree_ssa_iv_optimize_init, record_use,
16202         record_important_candidates, set_use_iv_cost, find_depends,
16203         determine_use_iv_costs, iv_ca_new, iv_ca_free, free_loop_data,
16204         tree_ssa_iv_optimize_finalize): Likewise.
16205         * tree-ssa-loop-manip.c (add_exit_phis_var, get_loops_exit,
16206         find_uses_to_rename_use, rewrite_into_loop_closed_ssa,
16207         tree_duplicate_loop_to_header_edge): Likewise.
16208         * tree-ssa-pre.c (init_pre, fini_pre): Likewise.
16209         * tree-ssa.c (verify_flow_insensitive_alias_info,
16210         verify_name_tags, verify_ssa, init_tree_ssa,
16211         delete_tree_ssa): Likewise.
16212         * tree-ssanames.c (marked_ssa_names, init_ssanames,
16213         fini_ssanames): Likewise.
16214         * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Likewise.
16215
16216 2005-02-17  Ralf Corsepius  <ralf.corsepius@rtems.org>
16217
16218         * config/rs6000/t-rtems: Completely reworked.
16219
16220 2005-02-17  Ira Rosen  <irar@il.ibm.com>
16221
16222         * tree-data-ref.c (array_base_name_differ_p): Remove gcc_assert.
16223
16224 2005-02-17  Ira Rosen  <irar@il.ibm.com>
16225
16226         * tree-vect-analyze.c (vect_analyze_pointer_ref_access): Use
16227         POINTER_TYPE_P when checking that type is a pointer.
16228         (vect_get_memtag): Remove.
16229         (vect_address_analysis): Use POINTER_TYPE_P. Call
16230         vect_object_analysis with dummy parameter for memtag.
16231         (vect_object_analysis): Extract memtag (functionality that
16232         used to be in vect_get_memtag and moved here). Fix printings.
16233         (vect_analyze_data_refs): Fix comment. Call vect_object_analysis
16234         with correct parameters. Remove call to vect_get_memtag.
16235
16236 2005-02-17  Dorit Naishlos  <dorit@il.ibm.com>
16237
16238         * Makefile.in (tree-vect-analyze.o, tree-vect-transform.o): New.
16239         (tree-vectorizer.o): Added missing dependencies.
16240
16241         * tree-vectorizer.h (vect_dump, vect_verbosity_level): Added extern
16242         decleration.
16243         (slpeel_tree_peel_loop_to_edge): Function externalized (had a static
16244         declaration in tree-vectorizer.c, now has an extern declaration in
16245         tree-vectorizer.h).
16246         (slpeel_make_loop_iterate_ntimes, slpeel_can_duplicate_loop_p,
16247         slpeel_verify_cfg_after_peeling, vect_strip_conversion,
16248         get_vectype_for_scalar_type, vect_is_simple_use,
16249         vect_is_simple_iv_evolution, vect_can_force_dr_alignment_p,
16250         vect_supportable_dr_alignment, new_loop_vec_info, destroy_loop_vec_info,
16251         new_stmt_vec_info, vect_analyze_loop, vectorizable_load,
16252         vectorizable_store, vectorizable_operation, vectorizable_assignment,
16253         vect_transform_loop, vect_print_dump_info, vect_set_verbosity_level,
16254         find_loop_location): Likewise.
16255
16256         * tree-vectorizer.c (langhooks.h): #include removed.
16257         (slpeel_tree_peel_loop_to_edge): Function externalized. Declaration
16258         moved to tree-vectorized.h.
16259         (slpeel_make_loop_iterate_ntimes, slpeel_can_duplicate_loop_p,
16260         slpeel_verify_cfg_after_peeling, vect_strip_conversion,
16261         get_vectype_for_scalar_type, vect_is_simple_use,
16262         vect_is_simple_iv_evolution, vect_can_force_dr_alignment_p,
16263         vect_supportable_dr_alignment, new_loop_vec_info,
16264         destroy_loop_vec_info, new_stmt_vec_info, vect_print_dump_info,
16265         vect_set_verbosity_level, find_loop_location): Likewise.
16266
16267         (vect_analyze_loop): Function externalized. Declaration moved to
16268         tree-vectorized.h. Function definition moved to tree-vect-analyze.c.
16269         (vect_analyze_loop_form): Moved to tree-vect-analyze.c.
16270         (vect_mark_stmts_to_be_vectorized, vect_analyze_scalar_cycles,
16271         vect_analyze_data_ref_accesses, vect_analyze_data_ref_dependences,
16272         vect_analyze_data_refs_alignment, vect_compute_data_refs_alignment,
16273         vect_enhance_data_refs_alignment, vect_analyze_operations,
16274         exist_non_indexing_operands_for_use_p, vect_mark_relevant,
16275         vect_stmt_relevant_p, vect_get_loop_niters,
16276         vect_analyze_data_ref_dependence, vect_compute_data_ref_alignment,
16277         vect_analyze_data_ref_access, vect_analyze_pointer_ref_access,
16278         vect_can_advance_ivs_p, vect_get_ptr_offset, vect_analyze_offset_expr,
16279         vect_base_addr_differ_p, vect_object_analysis, vect_address_analysis,
16280         vect_get_memtag): Likewise.
16281
16282         (vectorizable_load): Function externalized. Declaration moved to
16283         tree-vectorized.h. Function definition moved to tree-vect-transform.c.
16284         (vectorizable_store, vectorizable_operation, vectorizable_assignment,
16285         vect_transform_loop): Likewise.
16286         (vect_transform_stmt): Moved to tree-vect-transform.c.
16287         (vect_align_data_ref, vect_create_destination_var,
16288         vect_create_data_ref_ptr, vect_create_index_for_vector_ref,
16289         vect_create_addr_base_for_vector_ref, vect_get_new_vect_var,
16290         vect_get_vec_def_for_operand, vect_init_vector,
16291         vect_finish_stmt_generation, vect_generate_tmps_on_preheader,
16292         vect_build_loop_niters, vect_update_ivs_after_vectorizer,
16293         vect_gen_niters_for_prolog_loop, vect_update_inits_of_dr,
16294         vect_update_inits_of_drs, vect_do_peeling_for_alignment,
16295         vect_do_peeling_for_loop_bound): Likewise.
16296
16297         * tree-vect-analyze.c: New file.
16298         * tree-vect-transform.c: New file.
16299
16300 2005-02-17  Jason Merrill  <jason@redhat.com>
16301
16302         PR mudflap/19319, c++/19317
16303         * gimplify.c (gimplify_modify_expr_rhs) [CALL_EXPR]: Make return
16304         slot explicit.
16305
16306 2005-02-17  Gerald Pfeifer  <gerald@pfeifer.com>
16307
16308         * doc/install.texi (Specific): Update link for Darwin-specific
16309         tool binary site.
16310
16311 2005-02-16  James A. Morrison  <phython@gcc.gnu.org>
16312
16313         * fold-const.c (invert_truthvalue): <INTEGER_CST>: Call
16314         constant_boolean_node.
16315
16316 2005-02-16  David Edelsohn  <edelsohn@gnu.org>
16317
16318         PR target/19019
16319         * config/rs6000/t-aix43 (SHLIB_MAPFILES): Add libgcc-ppc64.ver.
16320         * config/rs6000/t-aix52 (SHLIB_MAPFILES): Same.
16321
16322 2005-02-16  Richard Henderson  <rth@redhat.com>
16323
16324         PR 19920
16325         * libgcc2.c (WORD_SIZE): Remove all definitions; replace uses
16326         with W_TYPE_SIZE.
16327         (HIGH_WORD_COEFF, HIGH_HALFWORD_COEFF): Remove all definitions;
16328         replace uses with Wtype_MAXp1_F.
16329         (L_fixunstfdi, L_fixtfdi, L_floatditf, L_fixunsxfdi, L_fixxfdi,
16330         L_floatdixf, L_fixunsxfsi, L_fixunsdfdi, L_floatdidf, L_fixunsdfsi,
16331         L_powidf2, L_powixf2, L_powitf2, L_muldc3, L_divdc3, L_mulxc3,
16332         L_divxc3, L_multc3, L_divtc3): Protect with HAVE_DFMODE, HAVE_XFMODE,
16333         and HAVE_TFMODE as appropriate.
16334         (__fixunssfDI): Provide an implementation that doesn't need DFmode.
16335         (__floatdisf): Likewise.
16336         * libgcc2.h (LIBGCC2_DOUBLE_TYPE_SIZE): New.
16337         (HAVE_DFMODE, HAVE_XFMODE, HAVE_TFMODE): New.
16338         (Wtype_MAXp1_F): New.
16339         (DFtype, DCtype, __fixdfdi, __floatdidf, __fixunsdfSI, __fixunsdfDI,
16340         __powidf2, __divdc3, __muldc3): Protect with HAVE_DFMODE.
16341
16342 2005-02-16  Richard Earnshaw  <rearnsha@arm.com>
16343
16344         * PR target/19162
16345         * arm.c (arm_apply_result_size): New function.
16346         * arm.h (APPLY_RESULT_SIZE): Define.
16347         * arm-protos.h (arm_apply_result_size): Add prototype.
16348         * arm.md (RO_REGNUM, FPA_F0_REGNUM, FPA_F7_REGNUM): New constants.
16349         (movxf): New expand.
16350         (ldmsi_postinc4_thumb, stmsi_postinc4_thumb): New patterns for Thumb.
16351         (call_value_symbol): Remove predicate for operand 0.
16352         (call_value_insn, sibcall_value, sibcall_value_insn): Likewise.
16353         (untyped_call): Rework to correclty return values for any type.
16354         (untyped_return): New expand.
16355         * fpa.md (movxf_fpa): Simplify and use sfm/lfm when appropriate.
16356
16357 2005-02-16  Stan Shebs  <shebs@apple.com>
16358
16359         * config.gcc (powerpc-*-darwin*): Use fragment for Darwin 8 or later.
16360         * config/rs6000/t-darwin8: New, for 64-bit multilib.
16361
16362 2005-02-16  Eric Botcazou  <ebotcazou@libertysurf.fr>
16363
16364         * doc/install.texi (sparc-sun-solaris2*): Document required GMP
16365         configure settings on Solaris 7 and later.
16366
16367 2005-02-16  Diego Novillo  <dnovillo@redhat.com>
16368
16369         PR tree-optimization/19865
16370         * tree-optimize.c (init_tree_optimization_passes): Run
16371         pass_may_alias after pass_sra.
16372
16373 2005-02-16  Richard Henderson  <rth@redhat.com>
16374             Stuart Hastings  <stuart@apple.com>
16375
16376         PR debug/19521
16377         * dbxout.c (dbxout_function_end): Take decl parameter; update callers.
16378         Do nothing if debug info suppressed for this function.
16379         (dbxout_begin_function): Early exit if debug info suppressed for
16380         this function.
16381
16382 2005-02-16  Kazu Hirata  <kazu@cs.umass.edu>
16383
16384         PR target/20007
16385         * config/ip2k/ip2k.c (ip2k_reorg): Adjust calls to
16386         find_basic_blocks.
16387         * config/sh/sh.c (sh_output_mi_thunk): Likewise.
16388
16389         PR tree-optimization/19967
16390         * builtins.c (expand_builtin_strstr, expand_builtin_strpbrk,
16391         expand_builtin_strchr, expand_builtin_strrchr): Take a new
16392         argument TYPE.  Adjust calls to fold_builtin_XXX.
16393         (expand_builtin, fold_builtin_1): Adjust calls to
16394         expand_builtin_XXX.
16395         (fold_builtin_strchr, fold_builtin_strpbrk,
16396         fold_builtin_strstr, fold_builtin_strrchr): Convert the folded
16397         result to a requested type TYPE.
16398
16399 2005-02-16  Jakub Jelinek  <jakub@redhat.com>
16400
16401         PR middle-end/19857
16402         * fold-const.c (fold): Don't optimize (T)(x & cst) to
16403         (T)x & (T)cst if (T)cst overflows.
16404         * convert.c (convert_to_integer) <case POINTER_TYPE>: Pass
16405         TYPE_UNSIGNED (type) as type_for_size's UNSIGNEDP argument.
16406
16407 2005-02-15  Jeff Law  <law@redhat.com>
16408
16409         * gcse.c (blocks_with_calls): New bitmap.
16410         (alloc_gcse_mem): Allocate it.
16411         (free_gcse_mem): Free it.
16412         (clear_modifY_mem_tables): Clear it.
16413         (record_last_mem_set_info): Set the proper bit in BLOCK_WITH_CALLS
16414         when we encounter CALL_INSNs.
16415         (compute_transp, case MEM): Handle blocks with calls separate
16416         from blocks without calls.  Use bitmap iterators rather than
16417         FOR_EACH_BB.
16418
16419 2005-02-15  Peter O'Gorman  <peter@pogma.com>
16420
16421         PR bootstrap/18810
16422         * mklibgcc.in (vis_hide): Use a temporary object file, not
16423         -o /dev/null.
16424
16425 2005-02-15  Andy Hutchinson  <HutchinsonAndy@netscape.net>
16426
16427         PR target/19924
16428         * config/avr/avr.h (MODES_TIEABLE_P): Define to 1 to allow subreg
16429         access optimization.
16430
16431 2005-02-15  David Edelsohn  <edelsohn@gnu.org>
16432             Alan Modra  <amodra@bigpond.net.au>
16433
16434         PR target/19019
16435         * config/rs6000/darwin-ldouble.c (_xlqadd): Rename to __gcc_qadd.
16436         (_xlqsub): Rename to __gcc_qsub.
16437         (_xlqmul): Rename to __gcc_qmul.
16438         (_xlqdiv): Rename to __gcc_qdiv.
16439         Provide versioned symbol aliases with old names.
16440         * config/rs6000/libgcc-ppc64.ver: Rename symbols.
16441         * config/rs6000/rs6000.c (rs6000_init_libfuncs): Rename symbols.
16442         * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): New.
16443         * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): New.
16444         * config/rs6000/t-newas (LIB2FUNCS_EXTRA): New.
16445
16446 2005-02-15  James A. Morrison  <phython@gcc.gnu.org>
16447
16448         * fold-const.c (fold): Fold -(~A) to A + 1.  Fold ~(-A) to A - 1.
16449         Fold ~(A - 1) and ~(A + -1) to -A.
16450
16451 2005-02-15  James A. Morrison  <phython@gcc.gnu.org>
16452
16453         PR pch/14940
16454         PR target/19300
16455         * config/host-linux.c (linux_gt_pch_use_address): Copy from
16456         config/pa/pa-host.c:pa_gt_pch_use_address.
16457
16458 2005-02-15  Daniel Berlin  <dberlin@dberlin.org>
16459
16460         * tree-vn.c (get_value_handle): Make sure that given an
16461         is_gimple_min_invariant expression, we always return it.
16462
16463 2005-02-15  Kazu Hirata  <kazu@cs.umass.edu>
16464
16465         * passes.c (rest_of_handle_gcse): Fix a comment.
16466
16467 2005-02-15  Jeff Law  <law@redhat.com>
16468
16469         * gcse.c (canon_modify_mem_set_list_set): Kill unnecessary
16470         bitmap.
16471         (alloc_gcse_mem, free_gcse_mem): Corresponding changes.
16472         (canon_list_insert, record_last_mem_set_info): Similarly.
16473         (clear_modify_mem_tables): Similarly.
16474
16475 2005-02-15  Kazu Hirata  <kazu@cs.umass.edu>
16476
16477         * bitmap.c, bitmap.h, lambda-code.c, tree-dfa.c, tree-dump.c,
16478         tree-dump.h, tree-ssa-loop-manip.c, value-prof.c,
16479         config/mips/mips.md, config/rs6000/aix.h,
16480         config/rs6000/beos.h, config/rs6000/sysv4.h: Update copyright.
16481
16482 2005-02-15  Richard Henderson  <rth@redhat.com>
16483
16484         * bb-reorder.c (find_traces_1_round): Force fallthru edge from a
16485         call to be best_edge.
16486
16487 2005-02-14  Kazu Hirata  <kazu@cs.umass.edu>
16488
16489         * basic-block.h: Adjust the prototype for find_basic_blocks.
16490         * cfgbuild.c (find_basic_blocks): Remove unused arguments.
16491         * passes.c (rest_of_handle_loop_optimize): Adjust the call to
16492         find_basic_blocks.
16493
16494         * flow.c (recompute_reg_usage): Remove all arguments.
16495         * passes.c (rest_of_compilation): Adjust the call to
16496         recompute_reg_usage.
16497         * rtl.h: Adjust the prototype for recompute_reg_usage.
16498
16499 2005-02-14  Daniel Berlin  <dberlin@dberlin.org>
16500
16501         * tree-dump.c (dump_files): Update to reflect new member
16502         of dump_file_info.
16503         (dump_register): Add new argument.
16504         Set glob name.
16505         (dump_switch_p_1): Check against glob name if doglob was passed.
16506         (dump_switch_p): Check against regular first, then glob if
16507         we didn't have any hits on the dump name.
16508         * tree-optimize.c (register_one_dump_file):
16509         Pass in glob name as well.
16510         * tree-pass.h (struct dump_file_info): Add glob
16511         member.
16512
16513 2005-02-14  Joseph S. Myers  <joseph@codesourcery.com>
16514
16515         PR preprocessor/16323
16516         * doc/invoke.texi: Document that -Wendif-labels is on by default.
16517
16518 2005-02-14  David Edelsohn  <edelsohn@gnu.org>
16519
16520         PR target/19019
16521         * config/rs6000/rs6000.md (trunctfdf2): Change to define_expand.
16522         (trunctfdf2_internal1): New.
16523         (trunctfdf2_internal2): Renamed from trunctfdf2.
16524
16525 2005-02-14  Diego Novillo  <dnovillo@redhat.com>
16526
16527         PR tree-optimization/19853
16528         * tree-dfa.c (add_referenced_var): Always examine DECL_INITIAL.
16529
16530 2005-02-14  Kazu Hirata  <kazu@cs.umass.edu>
16531
16532         * passes.c (rest_of_handle_loop_optimize): Remove calls to
16533         delete_dead_jumptables and cleanup_cfg.
16534
16535 2005-02-14  Ulrich Weigand  <uweigand@de.ibm.com>
16536
16537         * reload.c (find_reloads): Swap address_reloaded flags when
16538         swapping commutative operands.
16539
16540 2005-02-14  Sebastian Pop  <pop@cri.ensmp.fr>
16541
16542         * lambda-code.c (lambda_loopnest_to_gcc_loopnest, perfect_nestify):
16543         Use standard_iv_increment_position for computing the bsi position
16544         for create_iv.
16545         * tree-ssa-loop-manip.c (create_iv): Add a comment on how to compute
16546         the bsi position.
16547
16548 2005-02-13  Zdenek Dvorak  <dvorakz@suse.cz>
16549
16550         PR target/17428
16551         * cfgrtl.c (safe_insert_insn_on_edge): Avoid extending
16552         life range of hard registers.
16553         * value-prof.c (insn_prefetch_values_to_profile): Only
16554         scan normal insns.
16555
16556         * value-prof.c (rtl_find_values_to_profile): Do not look for values to
16557         profile in libcalls.
16558
16559 2005-02-13  Nathan Sidwell  <nathan@codesourcery.com>
16560
16561         * bitmap.h (bitmap_and_compl_into): Return bool.
16562         * bitmap.c (bitmap_and_compl_into): Return changed flag.
16563
16564 2005-02-13  James A. Morrison  <phython@gcc.gnu.org>
16565
16566         PR tree-optimization/19944
16567         * fold-const.c (fold): Re-add ABS_EXPR folding.
16568
16569 2005-02-13  David Edelsohn  <edelsohn@gnu.org>
16570
16571         PR target/19019
16572         * config/rs6000/aix.h ({TARGET,MASK}_XL_CALL): Rename to
16573         {TARGET,MASK}_XL_COMPAT.
16574         (SUBTARGET_SWITCHES): Rename xl-call to xl-compat.  Use
16575         MASK_XL_COMPAT.
16576         * config/rs6000/beos.h ({TARGET,MASK}_XL_CALL): Remove.
16577         * config/rs6000/rs6000.c (function_arg): Change TARGET_XL_CALL to
16578         TARGET_XL_COMPAT.
16579         (rs6000_arg_partial_bytes): Same.
16580         (rs6000_generate_compare): Generate PARALLEL for compare if TFmode
16581         and XL compatibility enabled.
16582         * config/rs6000/rs6000.h (TARGET_XL_CALL): Rename to TARGET_XL_COMPAT.
16583         * config/rs6000/rs6000.md (cmptf_internal1): Add !TARGET_XL_COMPAT
16584         test to final condition.
16585         (cmptf_internal2): New.
16586         * doc/invoke.texi (RS/6000 Subtarget Options): Change xl-call to
16587         xl-compat.  Add TFmode information to description.
16588
16589 2005-02-13  Kazu Hirata  <kazu@cs.umass.edu>
16590
16591         * flags.h, read-rtl.c, tree-ssa-live.h: Update copyright.
16592
16593 2005-02-13  Jason Merrill  <jason@redhat.com>
16594
16595         PR c++/16405
16596         * fold-const.c (fold_indirect_ref_1): Split out from...
16597         (build_fold_indirect_ref): Here.
16598         (fold_indirect_ref): New fn.
16599         * tree.h: Declare it.
16600         * gimplify.c (gimplify_compound_lval): Call fold_indirect_ref.
16601         (gimplify_modify_expr_rhs): Likewise.
16602         (gimplify_expr): Likewise.
16603
16604 2005-02-13  James A. Morrison  <phython@gcc.gnu.org>
16605
16606         PR tree-optimization/14303
16607         PR tree-optimization/15784
16608         * fold-const.c (fold): Fold ABS_EXPR<x> >= 0 to true, when possible.
16609         Fold ABS_EXPR<x> < 0 to false.  Fold ABS_EXPR<x> == 0 to x == 0 and
16610         ABS_EXPR<x> != 0 to x != 0.
16611
16612 2005-02-12  Kazu Hirata  <kazu@cs.umass.edu>
16613
16614         * c-tree.h, combine.c, expmed.c, flow.c, libgcc2.c,
16615         simplify-rtx.c, tree-ssa-live.h: Fix comment typos.  Follow
16616         spelling conventions.
16617
16618         * passes.c (rest_of_handle_gcse): Don't run cse_main and
16619         delete_trivially_dead_insns too many times.
16620
16621         * passes.c (rest_of_handle_gcse): Remove dead assignments to
16622         tem and tem2.
16623
16624 2005-02-12  Ira Rosen  <irar@il.ibm.com>
16625
16626         * tree-vectorizer.c (vect_get_base_and_offset): Remove.
16627         (vect_is_simple_iv_evolution): Remove redundant parameter
16628         and step check.
16629         (vect_analyze_scalar_cycles): Call vect_is_simple_iv_evolution
16630         without last parameter.
16631         (vect_analyze_pointer_ref_access): Get access_fn as parameter.
16632         Return pointer step. Call vect_is_simple_iv_evolution without
16633         last parameter. Check only that the step is multiple of size
16634         type. Remove stmt_vinfo updates.
16635         (vect_get_memtag_and_dr): Remove.
16636         (vect_get_memtag): New function.
16637         (vect_address_analysis): New function.
16638         (vect_object_analysis): New function.
16639         (vect_analyze_data_refs): Call vect_object_analysis and
16640         vect_get_memtag. Update stmt_vinfo fields.
16641
16642 2005-02-12  Ira Rosen  <irar@il.ibm.com>
16643
16644         * tree-data-ref.c (array_base_name_differ_p): Check that the bases
16645         exist and are objects. Remove checks for pointer.
16646         * tree-vectorizer.c (vect_create_addr_base_for_vector_ref): Use
16647         STMT_VINFO_VECT_DR_BASE_ADDRESS instead of DR_BASE_NAME.
16648         (vect_create_data_ref_ptr): Likewise.
16649         (vect_base_addr_differ_p): New function.
16650         (vect_analyze_data_ref_dependence): Call vect_base_addr_differ_p.
16651         (vect_analyze_pointer_ref_access): Add output parameter - ptr_init.
16652         Don't set the DR_BASE_NAME field of data-ref.
16653         (vect_get_memtag_and_dr): Use ptr_init instead of DR_BASE_NAME.
16654
16655 2005-02-12  Uros Bizjak  <uros@kss-loka.si>
16656
16657         * optabs.h (enum optab_index): Add new OTI_ldexp.
16658         (ldexp_optab): Define corresponding macro.
16659         * optabs.c (init_optabs): Initialize ldexp_optab.
16660         * genopinit.c (optabs): Implement ldexp_optab using ldexp?f3
16661         patterns.
16662         * builtins.c (expand_builtin_mathfn_2): Handle BUILT_IN_LDEXP{,F,L}
16663         using ldexp_optab.
16664         (expand_builtin): Expand BUILT_IN_LDEXP{,F,L} using
16665         expand_builtin_mathfn_2 if flag_unsafe_math_optimizations is set.
16666
16667         * config/i386/i386.md (ldexpsf3, ldexpdf3, ldexpxf3): New expanders
16668         to implement ldexpf, ldexp and ldexpl built-ins as inline x87
16669         intrinsics.
16670
16671 2005-02-12  Ira Rosen  <irar@il.ibm.com>
16672
16673         * tree-vectorizer.h (struct _stmt_vec_info): Rename a field: base
16674         to base_address.
16675         * tree-vectorizer.c (new_stmt_vec_info): Rename the above field of
16676         stmt_vec_info.
16677         (vect_get_base_and_offset): Always return an address.
16678         (vect_create_addr_base_for_vector_ref): Remove treatment for
16679         different data reference types.
16680         (vect_compute_data_ref_alignment): Rename base to base_address in
16681         stmt_vec_info. Get the object in order to force its alignment.
16682         (vect_get_memtag_and_dr): Rename base to base_address in
16683         stmt_vec_info. Extract the object for memtag analysis.
16684
16685 2005-02-12  Hans-Peter Nilsson  <hp@axis.com>
16686
16687         PR regression/19898.
16688         * config/cris/cris.c (cris_notice_update_cc): When testing if insn
16689         changes cc_status, use apply modified_in_p to part of cc_status
16690         and insn, not cris_reg_overlap_mentioned_p on SET_DEST of insn
16691         body.
16692
16693 2005-02-11  Richard Henderson  <rth@redhat.com>
16694
16695         * tree-complex.c (expand_complex_libcall): New.
16696         (expand_complex_multiplication): Use it for c99 compliance.
16697         (expand_complex_division): Likewise.
16698         * fold-const.c (fold_complex_add, fold_complex_mult): New.
16699         (fold): Call them.
16700         * builtins.c (built_in_names): Remove const.
16701         * tree.c (build_common_builtin_nodes): Build complex arithmetic
16702         builtins.
16703         * tree.h (BUILT_IN_COMPLEX_MUL_MIN, BUILT_IN_COMPLEX_MUL_MAX): New.
16704         (BUILT_IN_COMPLEX_DIV_MIN, BUILT_IN_COMPLEX_DIV_MAX): New.
16705         (built_in_names): Remove const.
16706         * c-common.c (c_common_type_for_mode): Handle complex modes.
16707         * flags.h, toplev.c (flag_complex_method): Rename from
16708         flag_complex_divide_method.
16709         * libgcc2.c (__divsc3, __divdc3, __divxc3, __divtc3,
16710         __mulsc3, __muldc3, __mulxc3, __multc3): New.
16711         * libgcc2.h: Declare them.
16712         * libgcc-std.ver: Export them.
16713         * mklibgcc.in (lib2funcs): Build them.
16714
16715 2005-02-11  Steven Bosscher  <stevenb@suse.de>
16716
16717         PR tree-optimization/19876
16718         Partially revert my change from 2005-01-14
16719         * tree-ssa-pre.c (compute_antic_aux): Make recursive once again...
16720         (compute_antic): ...and remove the loop here.
16721
16722 2005-02-11  Jakub Jelinek  <jakub@redhat.com>
16723
16724         PR middle-end/19858
16725         * fold-const.c (make_bit_field_ref): If bitpos == 0 and bitsize
16726         is number of inner's bits, avoid creating a BIT_FIELD_REF.
16727
16728         * config/rs6000/sysv4.h (ENDFILE_LINUX_SPEC): Use crtendS.o instead of
16729         crtend.o if -pie.  Use %{x:a;:b} spec syntax.
16730
16731 2005-02-11  Daniel Jacobowitz  <dan@codesourcery.com>
16732
16733         * config/mips/linux-unwind.h (mips_fallback_frame_state): Adjust
16734         offsets for the big-endian 32-bit case.
16735
16736 2005-02-11  Joseph S. Myers  <joseph@codesourcery.com>
16737
16738         * config/ia64/hpux.h (WCHAR_TYPE, WCHAR_TYPE_SIZE): Define.
16739
16740 2005-02-11  Dale Johannesen  <dalej@apple.com>
16741
16742         * cselib.c (cselib_process_insn):  Clear out regs where
16743         HARD_REGNO_CALL_PART_CLOBBERED is true at a call.
16744         * reload.c (find_equiv_reg): Ditto.
16745
16746 2005-02-11  Ian Lance Taylor  <ian@airs.com>
16747
16748         * read-rtl.c (read_rtx_1): Give fatal error if we see a vector
16749         with no elements.
16750
16751         * tree.c (build_function_type_list): Work correctly if there are
16752         no arguments.
16753
16754 2005-02-11  Ulrich Weigand  <uweigand@de.ibm.com>
16755
16756         * config/s390/s390.md ("*cmpdi_cct", "*cmpsi_cct", "*cmpdi_ccs",
16757         "*cmpsi_ccs"): Use %h instead of %c to print immediate operand.
16758         ("*zero_extendhisi2_64", "*zero_extendhisi2_31"): Choose based on
16759         TARGET_ZARCH instead of TARGET_64BIT.
16760
16761 2005-02-11  Ralf Corsepius  <ralf.corsepius@rtems.org>
16762
16763         * config/rs6000/t-rtems:
16764         (MULTILIB_OPTIONS): Remove mcpu=602.
16765         (MUTLILIB_DIRNAMES): Remove m602.
16766         (MULTILIB_MATCHES): Add ${MULTILIB_MATCHES_FLOAT}.
16767         Let mcpu=602 match mcpu=603.
16768         (MULTILIB_NEW_EXCEPTIONS_ONLY): Add mcpu=601, mcpu=602, mcpu=m603.
16769
16770 2005-02-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
16771
16772         * pa/linux-unwind.h (pa32_fallback_frame_state): Handle misaligned
16773         signal trampolines.
16774
16775 2005-02-10  David Daney  <ddaney@avtrex.com>
16776
16777         * config/alpha/linux-unwind.h: Add exception clause to copyright.
16778         * config/i386/linux-unwind.h: Likewise.
16779         * config/ia64/linux-unwind.h: Likewise.
16780         * config/mips/linux-unwind.h: Likewise.
16781         * config/pa/linux-unwind.h: Likewise.
16782         * config/rs6000/linux-unwind.h: Likewise.
16783         * config/s390/linux-unwind.h: Likewise.
16784         * config/sh/linux-unwind.h: Likewise.
16785         * config/sparc/linux-unwind.h: Likewise.
16786
16787 2005-02-10  Steven Bosscher  <stevenb@suse.de>
16788
16789         PR tree-optimization/17549
16790         * tree-outof-ssa.c (find_replaceable_in_bb): Do not allow
16791         TER to replace a DEF with its expression if the DEF and the
16792         rhs of the expression we replace into have the same root
16793         variable.
16794
16795 2005-02-10  Richard Sandiford  <rsandifo@redhat.com>
16796
16797         * config/mips/mips.md: Fix the placement of the match_scratch in the
16798         lea64 peephole2.
16799
16800 2005-02-10  Kazu Hirata  <kazu@cs.umass.edu>
16801
16802         * cse.c, tree-ssa-loop-ivopts.c, config/rs6000/linux-unwind.h:
16803         Fix comment typos.
16804
16805 2005-02-10  Zdenek Dvorak  <dvorakz@suse.cz>
16806
16807         * tree-ssa-loop-ivopts.c (determine_base_object): Ignore casts.
16808         (strip_offset): Handle addresses.
16809         (add_address_candidates): Use strip_offset.
16810         (difference_cost): Reflect strip_offset change.
16811         (force_var_cost, difference_cost): Strip nops.
16812
16813 2005-02-10  Kazu Hirata  <kazu@cs.umass.edu>
16814
16815         * df.h (DF_REF_MODE_CHANGE, DF_REF_MEM_OK): Remove.
16816
16817         * builtins.def, haifa-sched.c, libgcc2.c, libgcc2.h,
16818         tree-ssa-loop-ivcanon.c, tree-ssa-loop-niter.c,
16819         config/cris/cris-protos.h, config/cris/cris.c: Update
16820         copyright.
16821
16822 2005-02-10  Jeff Law  <law@redhat.com>
16823
16824         * tree-ssa-dom.c (thread_across_edge): Use xmalloc, not xcalloc.
16825         (lookup_avail_expr): Similarly.
16826
16827 2005-02-10  Richard Guenther  <rguenth@gcc.gnu.org>
16828
16829         * builtins.c (fold_builtin_powi): New function.
16830         (fold_builtin_1): Call it.
16831
16832 2005-02-10  Steven Bosscher  <stevenb@suse.de>
16833
16834         PR documentation/19309
16835         * doc/cpp.texi: The __GNUC__ and related predefined macros
16836         are also defined for the "standalone" cpp.
16837         Some non-GCC compilers may also define __GNUC__.
16838
16839 2005-02-10  Jakub Jelinek  <jakub@redhat.com>
16840
16841         PR c/19342
16842         * c-typeck.c (common_type): New routine.  Old common_type renamed
16843         to...
16844         (c_common_type): ...this.
16845         (build_conditional_expr, build_binary_op): Use c_common_type instead
16846         of common_type.
16847
16848 2005-02-10  Steven Bosscher  <stevenb@suse.de>
16849
16850         * doc/md.texi: Replace @samp{length} with @code{length}.
16851
16852 2005-02-09  Zdenek Dvorak  <dvorakz@suse.cz>
16853
16854         PR tree-optimization/18687
16855         * tree-flow.h (find_loop_niter): Declare.
16856         * tree-ssa-loop-ivcanon.c (canonicalize_loop_induction_variables):
16857         Try using scev even for loops with more than one exit.
16858         * tree-ssa-loop-ivopts.c (struct loop_data): Removed niter field.
16859         (struct ivopts_data): Added niters field.
16860         (struct nfe_cache_elt): New.
16861         (nfe_hash, nfe_eq, niter_for_exit, niter_for_single_dom_exit): New
16862         functions.
16863         (tree_ssa_iv_optimize_init): Initialize niters cache.
16864         (determine_number_of_iterations): Removed.
16865         (find_induction_variables): Do not call determine_number_of_iterations.
16866         Access niters for single exit through niter_for_single_dom_exit.
16867         (add_iv_outer_candidates): Access niters for single exit through
16868         niter_for_single_dom_exit.
16869         (may_eliminate_iv): Take data argument.  Use niter_for_exit.  Do not use
16870         number_of_iterations_cond.
16871         (iv_period): New function.
16872         (determine_use_iv_cost_condition): Pass data to may_eliminate_iv.
16873         (may_replace_final_value): Take data argument.  Use
16874         niter_for_single_dom_exit.
16875         (determine_use_iv_cost_outer): Pass data to may_replace_final_value.
16876         (rewrite_use_compare): Pass data to may_eliminate_iv.
16877         (rewrite_use_outer): Pass data to may_replace_final_value.
16878         (free_loop_data): Clean up the niters cache.
16879         (tree_ssa_iv_optimize_finalize): Free the niters cache.
16880         (tree_ssa_iv_optimize_loop): Do not call loop_commit_inserts.
16881         * tree-ssa-loop-niter.c (find_loop_niter): New function.
16882         (find_loop_niter_by_eval): Use tree_int_cst_lt.
16883         (num_ending_zeros): Moved to tree.c.
16884         * tree.h (num_ending_zeros): Declare.
16885         * tree.c (num_ending_zeros): Moved from tree.c.
16886
16887 2005-02-09  Richard Henderson  <rth@redhat.com>
16888
16889         * builtins.c (DEF_BUILTIN): Add COND argument.
16890         * tree.h (DEF_BUILTIN): Likewise.
16891         * builtins.def (DEF_GCC_BUILTIN, DEF_LIB_BUILTIN, DEF_EXT_LIB_BUILTIN,
16892         DEF_C94_BUILTIN, DEF_C99_BUILTIN, DEF_C99_C90RES_BUILTIN): Update to
16893         match.
16894         (DEF_BUILTIN_STUB): New.
16895         (BUILT_IN_STACK_SAVE, BUILT_IN_STACK_RESTORE, BUILT_IN_INIT_TRAMPOLINE,
16896         BUILT_IN_ADJUST_TRAMPOLINE, BUILT_IN_NONLOCAL_GOTO,
16897         BUILT_IN_PROFILE_FUNC_ENTER, BUILT_IN_PROFILE_FUNC_EXIT): Use it.
16898         * c-common.c (DEF_BUILTIN): Add COND argument.
16899         * tree.c (local_define_builtin): New.
16900         (build_common_builtin_nodes): New.
16901
16902 2005-02-09  Roger Sayle  <roger@eyesopen.com>
16903
16904         * fold-const.c (fold_strip_sign_ops): New function to simplify a
16905         floating point expression ignoring the sign of the result.
16906         (fold) <ABS_EXPR>: Use it to simplify fabs(x).
16907         (fold) <MULT_EXPR>: Use it to simplify x*x.
16908         * tree.h (fold_strip_sign_ops): Prototype here.
16909         * builtins.c (fold_builtin_copysign): Take an additional FNDECL
16910         argument.  Use fold_strip_sign_ops to simplify the first argument.
16911         (fold_builtin_pow):  Use fold_strip_sign_ops to simplify the
16912         first argument when the second argument is an even integer
16913         constant, but only with -funsafe_math_optimizations.
16914         (fold_builtin_1): Update call to fold_builtin_copysign.
16915
16916 2005-02-09  Ian Lance Taylor  <ian@airs.com>
16917
16918         PR middle-end/19583
16919         * gimple-low.c (try_catch_may_fallthru): In EH_FILTER_EXPR case,
16920         just check whether EH_FILTER_FAILURE falls through.
16921
16922 2005-02-09  Andreas Krebbel  <krebbel1@de.ibm.com>
16923
16924         * gcc/haifa-sched.c (schedule_block): Make queued sched group
16925         insns return to ready list in the next turn.
16926
16927 2005-02-09  Richard Guenther  <rguenth@gcc.gnu.org>
16928
16929         PR middle-end/19402
16930         * builtins.def: New __builtin_powi[lf].
16931         * builtins.c (mathfn_built_in): Handle BUILT_IN_POWI.
16932         (expand_builtin_powi): New function.
16933         (expand_builtin): Dispatch to expand_builtin_powi.
16934         * libgcc2.h: Add prototypes for __builtin_powi[lf].
16935         * libgcc2.c: Add __builtin_powi[lf] implementation.
16936         * mklibgcc.in: Add __builtin_powi[lf] to lib2funcs.
16937         * optabs.h: Add powi_optab.
16938         * optabs.c (init_optabs): Initialize powi_optab.
16939         * doc/extend.texi: Document __builtin_powi[lf].
16940
16941 2005-02-09  Dorit Naishlos  <dorit@il.ibm.com>
16942
16943         * tree-vectorizer.c (vect_set_dump_settings): Check that dump_file
16944         exists.
16945
16946 2005-02-09  Richard Guenther  <rguenth@gcc.gnu.org>
16947
16948         PR middle-end/19854
16949         * fold-const.c (try_move_mult_to_index): Remove redundant
16950         type argument.  Create ADDR_EXPR with correct type.
16951         (fold): Update callers of try_move_mult_to_index.  Convert
16952         result to the appropriate type.
16953
16954 2005-02-09  Roger Sayle  <roger@eyesopen.com>
16955
16956         PR target/19597
16957         * config/avr/avr.c (default_rtx_costs): Delete.
16958         (avr_operand_rtx_cost): New function.
16959         (avr_rtx_costs): Completely rewrite.
16960
16961 2005-02-08  Hans-Peter Nilsson  <hp@axis.com>
16962
16963         PR target/19806
16964         * config/cris/cris.c (in_code): New variable.
16965         (cris_output_addr_const): Now a static function, a wrapper for
16966         output_addr_const.
16967         (cris_asm_output_symbol_ref): New function, broken out SYMBOL_REF
16968         case from old cris_output_addr_const.
16969         (cris_asm_output_label_ref): Similar for LABEL_REF.
16970         (cris_output_addr_const_extra): Similar for UNSPEC.
16971         * config/cris/cris.h (OUTPUT_ADDR_CONST_EXTRA)
16972         (ASM_OUTPUT_SYMBOL_REF, ASM_OUTPUT_LABEL_REF): Define.
16973         * config/cris/cris-protos.h (cris_output_addr_const): Remove
16974         declaration.
16975         (cris_asm_output_symbol_ref, cris_output_addr_const_extra)
16976         (cris_asm_output_label_ref): Declare.
16977
16978 2005-02-08  Paolo Bonzini  <bonzini@gnu.org>
16979
16980         PR preprocessor/19801
16981         * doc/cppinternals.texi (Conventions, Lexer, Files): Adjust
16982         filenames that changed when libcpp was moved to the toplevel.
16983
16984 2005-02-07  Roger Sayle  <roger@eyesopen.com>
16985
16986         * simplify-rtx.c (simplify_relational_operation_1): Avoid creating
16987         zero extensions of BImode operands.  Call lowpart_subreg instead
16988         of gen_lowpart_common and gen_lowpart_SUBREG.
16989
16990 2005-02-07  Nathanael Nerode  <neroden@gcc.gnu.org>
16991
16992         PR ada/19489
16993         * libada-mk.in: Use cc_for_cross_gnattools, not cc_set_by_configure.
16994         * configure.ac: Set cc_for_cross_gnattools.
16995         * configure: Regenerate.
16996
16997 2005-02-08  Alan Modra  <amodra@bigpond.net.au>
16998
16999         PR target/19803
17000         * predict.c (PROB_VERY_UNLIKELY): Use 1% instead of 10%.
17001
17002 2005-02-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
17003
17004         PR debug/19327
17005         * dbxout.c (dbxout_symbol) <FUNCTION_DECL>: Skip inline instance
17006         of nested functions.
17007
17008 2005-02-07  Jonathan Wakely  <redi@gcc.gnu.org>
17009
17010         * doc/extend.texi: Document deprecated extensions allowing
17011         static floating-point members to have initializers and allowing
17012         floating-point literals in integral constant expressions.
17013
17014 2005-02-07  Kazu Hirata  <kazu@cs.umass.edu>
17015
17016         * cfgcleanup.c, df.h, diagnostic.c, rtl.c, tree-vectorizer.h,
17017         config/darwin7.h, config/mips/mips.c,
17018         config/rs6000/altivec.md, config/rs6000/darwin-tramp.asm:
17019         Update copyright.
17020
17021         * cse.c: Update comments.
17022
17023 2005-02-07  Richard Guenther  <rguenth@gcc.gnu.org>
17024
17025         PR middle-end/19775
17026         * builtins.c (fold_builtin_sqrt): Transform
17027         sqrt(pow(x,y)) to pow(fabs(x),y*0.5), not
17028         pow(x,y*0.5).
17029
17030 2005-02-07  Leehod Baruch  <leehod@il.ibm.com>
17031             Dorit Naishlos  <dorit@il.ibm.com>
17032
17033         * doc/invoke.texi (ftree-vectorizer-verbose): New.
17034         * opts.c (OPT_ftree_vectorizer_verbose_): New case for switch.
17035         * common.opt (ftree-vectorizer-verbose): New Flag for the vectorizer
17036         was added.
17037         * tree.h (vect_set_verbosity_level): New extern function declaration
17038         added.
17039         * tree-vectorizer.h (verbosity_levels): New enum type.
17040         * tree-vectorizer.c (vect_debug_stats): Function removed.
17041         (vect_debug_details): Likewise.
17042         (vect_verbosity_level): Global variable was defined and initialized.
17043         (vect_dump): Global variable definition.
17044         (vect_print_dump_info): New function.
17045         (vect_set_dump_settings): New function.
17046         (vect_set_verbosity_level): New function.
17047         (vectorize_loops): Add call to vect_set_dump_settings.
17048
17049         (slpeel_make_loop_iterate_ntimes): Dump condition was changed.
17050         (slpeel_tree_duplicate_loop_to_edge_cfg): Likewise.
17051         (slpeel_tree_peel_loop_to_edge): Likewise.
17052
17053         (vect_analyze_offset_expr): Call to vect_print_dump_info with
17054         appropriate verbosity level instead of call to vect_debug_details
17055         or vect_debug_stats.
17056         (vect_get_base_and_offset):
17057         (vect_create_addr_base_for_vector_ref):
17058         (get_vectype_for_scalar_type):
17059         (vect_create_data_ref_ptr):
17060         (vect_init_vector):
17061         (vect_get_vec_def_for_operand):
17062         (vect_finish_stmt_generation):
17063         (vectorizable_assignment):
17064         (vectorizable_operation):
17065         (vectorizable_store):
17066         (vectorizable_load):
17067         (vect_transform_stmt):
17068         (vect_update_ivs_after_vectorizer):
17069         (vect_do_peeling_for_loop_bound):
17070         (vect_update_inits_of_drs):
17071         (vect_do_peeling_for_alignment):
17072         (vect_transform_loop):
17073         (vect_is_simple_use):
17074         (vect_analyze_operations):
17075         (vect_is_simple_iv_evolution):
17076         (vect_analyze_scalar_cycles):
17077         (vect_analyze_data_ref_dependence):
17078         (vect_analyze_data_ref_dependences):
17079         (vect_compute_data_ref_alignment):
17080         (vect_enhance_data_refs_alignment):
17081         (vect_analyze_data_refs_alignment):
17082         (vect_analyze_data_ref_access):
17083         (vect_analyze_data_ref_accesses):
17084         (vect_analyze_pointer_ref_access):
17085         (vect_get_memtag_and_dr):
17086         (vect_analyze_data_refs):
17087         (vect_mark_relevant):
17088         (vect_stmt_relevant_p):
17089         (vect_mark_stmts_to_be_vectorized):
17090         (vect_can_advance_ivs_p):
17091         (vect_get_loop_niters):
17092         (vect_analyze_loop_form):
17093         (vect_analyze_loop):
17094         (vectorize_loops): Likewise.
17095
17096         (vect_do_peeling_for_loop_bound): Dump format slightly changed.
17097         (vect_update_inits_of_drs):
17098         (vect_do_peeling_for_alignment):
17099         (vect_transform_loop):
17100         (vect_analyze_operations):
17101         (vect_analyze_scalar_cycles):
17102         (vect_analyze_data_ref_dependences):
17103         (vect_analyze_data_refs_alignment):
17104         (vect_analyze_data_ref_accesses):
17105         (vect_analyze_data_refs):
17106         (vect_mark_stmts_to_be_vectorized):
17107         (vect_get_loop_niters):
17108         (vect_analyze_loop_form):
17109         (vect_analyze_loop): Likewise.
17110         (vect_mark_stmts_to_be_vectorized): Add call to print_generic_expr.
17111
17112 2005-02-07  Richard Sandiford  <rsandifo@redhat.com>
17113
17114         PR bootstrap/19796
17115         Revert:
17116         2005-01-26  Richard Sandiford  <rsandifo@redhat.com>
17117         * config/mips/iris6.h (ENDFILE_SPEC): Don't link in irix-csr.o if
17118         either -ffast-math or -funsafe-math-optimizations is in use.
17119
17120         2005-01-24  Richard Sandiford  <rsandifo@redhat.com>
17121         * config/mips/irix-csr.c: New file.
17122         * config/mips/t-iris6 (irix-csr.o): New rule to build it.
17123         (EXTRA_MULTILIB_PARTS): Add irix-csr.o.
17124         * config/mips/iris6.h (ENDFILE_SPEC): Include it in n32 and n64
17125         executables.
17126
17127 2005-02-07  Alexandre Oliva  <aoliva@redhat.com>
17128
17129         * config/mn10300/linux.h (LIB_SPEC, STARTFILE_SPEC): Remove
17130         redundant, incorrect definitions.
17131
17132         * config/frv/frv.md ("tls_indirect_call"): Turn into libcall-like
17133         expand.
17134         ("*tls_indirect_call"): New, reference hard regs directly.
17135         * config/frv/frv.c (gen_inlined_tls_plt): Adjust.
17136
17137 2005-02-07  Ralf Corsepius  <ralf.corsepius@rtems.org>
17138
17139         * config/arm/rtems-elf.h (SUBTARGET_EXTRA_ASM_SPEC):
17140         Let !-mhard-float !-msoft-float imply -mfpu=softfpa.
17141
17142 2005-02-06  Roger Sayle  <roger@eyesopen.com>
17143
17144         PR rtl-optimization/19800
17145         * simplify_rtx.c (simplify_relational_operation_1): Explicitly
17146         call gen_lowpart_common and gen_lowpart_SUBREG instead of calling
17147         gen_lowpart.
17148
17149 2005-02-07  Ralf Corsepius  <ralf.corsepius@rtems.org>
17150
17151         * config/m68k/t-rtems (MULTILIB_MATCHES): Let m528x match m5200.
17152
17153 2005-02-07  Joseph S. Myers  <joseph@codesourcery.com>
17154
17155         PR other/17135
17156         * doc/invoke.texi: Correct documentation of -freorder-functions.
17157
17158 2005-02-06  Joseph S. Myers  <joseph@codesourcery.com>
17159
17160         PR other/14402
17161         * doc/invoke.texi: Don't mention gccbug.
17162
17163 2005-02-06  Roger Sayle  <roger@eyesopen.com>
17164             Andrew Pinski  <pinskia@physics.uc.edu>
17165             Paolo Bonzini  <paolo.bonzini@lu.unisi.ch>
17166
17167         * simplify-rtx.c (simplify_relational_operation_1): Simplify
17168         (ne:SI (zero_extract:SI FOO (const_int 1) BAR) (const_int 0))
17169         into just (zero_extract:SI FOO (const_int 1) BAR).
17170
17171 2005-02-06  Joseph S. Myers  <joseph@codesourcery.com>
17172
17173         * doc/cpp.texi: Include gcc-common.texi.  Don't define gcctabopt
17174         macro locally.  Don't give last revision date.  Use GCC version
17175         number from gcc-common.texi.
17176         * doc/cppinternals.texi: Include gcc-common.texi.  Don't give last
17177         revision date.  Use GCC version number from gcc-common.texi.
17178         Describe being a library as current state rather than as 3.x
17179         history.
17180         * doc/gcc.texi: Remove last update date.
17181         * doc/gccint.texi: Likewise.  Update copyright dates.
17182         * doc/install.texi: Update copyright dates.
17183
17184 2005-02-06  Joseph S. Myers  <joseph@codesourcery.com>
17185
17186         PR other/7549
17187         * doc/invoke.texi: Mention for each option included in -Wall that
17188         it is included in -Wall.
17189         * doc/gcc.texi: Update copyright and last modification date.
17190
17191 2005-02-06  Zdenek Dvorak  <dvorakz@suse.cz>
17192
17193         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Do not add
17194         unnecessary cast to original induction variable increments.
17195
17196 2005-02-06  Zdenek Dvorak  <dvorakz@suse.cz>
17197
17198         PR tree-optimization/18219
17199         * tree-ssa-loop-ivopts.c (get_computation_at): Produce computations
17200         in distributed form.
17201
17202 2005-02-06  Richard Sandiford  <rsandifo@redhat.com>
17203
17204         * expmed.c (store_bit_field): Make the SUBREG code adjust bitnum.
17205         Set bitpos and offset later in the function.  Do nothing if the
17206         target is a register and if the bitfield lies completely outside
17207         that register.
17208         (extract_bit_field): Make the same SUBREG, bitpos and offset changes
17209         here.  Return an uninitialised register if the source value is stored
17210         in a register and the bitfield lies completely outside that register.
17211
17212 2005-02-06  Steven Bosscher  <stevenb@suse.de>
17213
17214         * df.c (df_insn_refs_record): Use XEXP to get the operand of a USE,
17215         not SET_DEST.
17216
17217 2005-02-06  Marcin Dalecki  <martin@dalecki.de>
17218
17219         * diagnostic.c (default_diagnostic_finalizer): Fix use of attribute.
17220
17221 2005-02-06  Geoffrey Keating  <geoffk@apple.com>
17222
17223         * config.gcc (*-*-darwin*): Separate darwin7 and darwin8 configs.
17224         * config/darwin8.h: New.
17225         * config/darwin7.h: Update comment.
17226
17227 2005-02-03  Leehod Baruch  <leehod@il.ibm.com>
17228             Dorit Naishlos  <dorit@il.ibm.com>
17229
17230         * tree-vectorizer.h (LOC): New type.
17231         (UNKNOWN_LOC, EXPR_LOC, LOC_FILE, LOC_LINE): New macros.
17232         (loop_line_number): New field in struct _loop_vec_info.
17233         (LOOP_VINFO_LOC, LOOP_LOC): New macros.
17234
17235         * tree-vectorizer.c (input.h): Included.
17236         (find_loop_location): New function.
17237         (vect_debug_stats): Argument changed from loop to LOC. Computation of
17238         loop line number removed.
17239         (vect_debug_details): Likewise.
17240         (new_loop_vec_info): Initialize new field LOOP_VINFO_LOC.
17241
17242         (slpeel_make_loop_iterate_ntimes): Call find_loop_location. Argument in
17243         call to vect_debug_details/stats changed from loop to loop_loc.
17244         (slpeel_tree_duplicate_loop_to_edge_cfg): Likewise.
17245         (slpeel_tree_peel_loop_to_edge): Likewise.
17246
17247         (vect_analyze_offset_expr): Argument in call to vect_debug_details/stats
17248         changed from NULL to UNKNOWN_LOC.
17249         (vect_get_base_and_offset):
17250         (vect_create_addr_base_for_vector_ref):
17251         (get_vectype_for_scalar_type):
17252         (vect_create_data_ref_ptr):
17253         (vect_init_vector):
17254         (vect_get_vec_def_for_operand):
17255         (vect_finish_stmt_generation):
17256         (vectorizable_assignment):
17257         (vectorizable_operation):
17258         (vectorizable_store):
17259         (vectorizable_load):
17260         (vect_transform_stmt):
17261         (vect_update_ivs_after_vectorizer):
17262         (vect_do_peeling_for_loop_bound):
17263         (vect_do_peeling_for_alignment):
17264         (vect_transform_loop):
17265         (vect_is_simple_use):
17266         (vect_analyze_operations):
17267         (vect_is_simple_iv_evolution):
17268         (vect_analyze_scalar_cycles):
17269         (vect_analyze_data_ref_dependences):
17270         (vect_compute_data_ref_alignment):
17271         (vect_enhance_data_refs_alignment):
17272         (vect_analyze_data_ref_access):
17273         (vect_analyze_data_ref_accesses):
17274         (vect_analyze_pointer_ref_access):
17275         (vect_get_memtag_and_dr):
17276         (vect_analyze_data_refs):
17277         (vect_mark_relevant):
17278         (vect_stmt_relevant_p):
17279         (vect_mark_stmts_to_be_vectorized):
17280         (vect_can_advance_ivs_p):
17281         (vect_get_loop_niters):
17282         (vect_analyze_loop):
17283         (vectorize_loops): Likewise.
17284
17285         (vectorizable_load): Argument in call to vect_debug_details/stats
17286         changed from loop to LOOP_LOC (loop_vinfo).
17287         (vect_transform_loop):
17288         (vect_analyze_operations):
17289         (vect_analyze_scalar_cycles):
17290         (vect_analyze_data_ref_dependence):
17291         (vect_enhance_data_refs_alignment):
17292         (vect_analyze_data_ref_accesses):
17293         (vect_analyze_pointer_ref_access):
17294         (vect_analyze_data_refs):
17295         (vect_analyze_loop): Likewise.
17296
17297         (vect_analyze_loop_form): Argument in call to vect_debug_details/stats
17298         changed from loop to loop_loc.
17299
17300         (vect_enhance_data_refs_alignment): Removed unused variable loop.
17301
17302 2005-02-03  Leehod Baruch  <leehod@il.ibm.com>
17303             Dorit Naishlos  <dorit@il.ibm.com>
17304
17305         * tree-vectorizer.c (vect_analyze_data_ref_dependence): Function
17306         declaration added.
17307         (vect_analyze_data_ref_dependences): Likewise.
17308
17309         (vect_is_simple_use): Argument changed from loop structure to
17310         loop_vect_info structure.
17311         (vect_can_advance_ivs_p): Likewise.
17312         (vect_create_index_for_vector_ref): Likewise.
17313         (vect_update_ivs_after_vectorizer): Likewise.
17314         (new_stmt_vec_info): Likewise.
17315
17316         (new_loop_vec_info): Second argument in call to new_stmt_vec_info was
17317         changed from loop to loop_vinfo.
17318         (vect_create_data_ref_ptr): First argument in call to
17319         vect_create_index_for_vector_ref was changed from loop to loop_vinfo.
17320         (vectorizable_assignment): Second argument in call to vect_is_simple_use
17321         was changed from loop to loop_vinfo.
17322         (vectorizable_operation): Likewise.
17323         (vectorizable_store): Likewise.
17324         (vect_mark_stmts_to_be_vectorized): Likewise.
17325         (vect_do_peeling_for_loop_bound): First argument in call to
17326         vect_update_ivs_after_vectorizer was changed from loop to loop_vinfo.
17327         (vect_analyze_operations): Argument in call to vect_can_advance_ivs_p
17328         was changed from loop to loop_vinfo.
17329         (vect_analyze_data_ref_dependences): Third argument in call to
17330         vect_analyze_data_ref_dependence was changed from loop to loop_vinfo.
17331
17332         (vect_create_index_for_vector_ref): Get the loop from loop_vinfo.
17333         (vect_create_data_ref_ptr): Likewise.
17334         (vect_init_vector): Likewise.
17335         (vect_get_vec_def_for_operand): Likewise.
17336         (vectorizable_assignment): Likewise.
17337         (vectorizable_operation): Likewise.
17338         (vectorizable_store): Likewise.
17339         (vectorizable_load): Likewise.
17340         (vect_update_ivs_after_vectorizer): Likewise.
17341         (vect_is_simple_use): Likewise.
17342         (vect_analyze_data_ref_dependence): Likewise.
17343         (vect_analyze_pointer_ref_access): Likewise.
17344         (vect_can_advance_ivs_p): Likewise.
17345
17346         * tree-vectorizer.h: (_loop_vec_info): Definition and macros moved
17347         before _stmt_vec_info.
17348         (_stmt_vec_info): Loop field replaced by loop_vec_info.
17349         (STMT_VINFO_LOOP): Replaced with STMT_VINFO_LOOP_VINFO.
17350         (new_stmt_vec_info): Argument changed from loop structure to
17351         loop_vect_info structure
17352
17353         (vect_analyze_data_ref_dependences): Unnecessary line was removed.
17354         (vect_analyze_offset_expr): Avoid 80 columns overflow.
17355         (vect_create_addr_base_for_vector_ref): Likewise.
17356         (vect_analyze_pointer_ref_access): Likewise.
17357
17358 2005-02-03  Andrew Pinski  <pinskia@physics.uc.edu>
17359
17360         PR tree-opt/19768
17361         * tree-ssa-dse.c (fix_phi_uses): Update the occurs in abnormal
17362         phi flag if the phi is abnormal.
17363
17364 2005-02-03  Andrew Pinski  <pinskia@physics.uc.edu>
17365
17366         PR tree-opt/19736
17367         * tree-ssa.c (replace_immediate_uses): Update the immediate_uses
17368         information for the new statement.
17369
17370 2005-02-03  Joseph S. Myers  <joseph@codesourcery.com>
17371
17372         PR driver/19117
17373         * gcc.c (main): Include the target in -v output.
17374
17375 2005-02-03  Alexandre Oliva  <aoliva@redhat.com>
17376
17377         * combine.c (simplify_comparison, case SIGN_EXTEND, ZERO_EXTEND):
17378         Do not drop the extend if we'd have to add a paradoxical subreg
17379         later.  Include optabs.h and insn-codes.h.
17380         * Makefile.in (combine.o): Depend on $(OPTABS_H).
17381
17382 2005-02-02  Roger Sayle  <roger@eyesopen.com>
17383
17384         PR middle-end/19405
17385         * real.h (REAL_MODE_FORMAT_COMPOSITE_P): New macro.
17386         * fold-const.c (const_binop): Avoid constant folding floating
17387         point operations in modes that use composite representations.
17388         * simplify-rtx.c (simplify_binary_operation): Likewise.
17389
17390 2005-02-02  Geoffrey Keating  <geoffk@apple.com>
17391
17392         * config/rs6000/altivec.md (altivec_dst): Make the first operand
17393         a REG, not a MEM.
17394         (altivec_dstt): Likewise.
17395         (altivec_dstst): Likewise.
17396         (altivec_dststt): Likewise.
17397         * config/rs6000/rs6000.c (altivec_expand_dst_builtin): Adjust creation
17398         of first operand.
17399
17400 2005-02-03  Dorit Naishlos  <dorit@il.ibm.com>
17401
17402         * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Copy
17403         EXPR_LOCUS from orig_cond to the new cond_stmt.
17404         (vect_finish_stmt_generation): Copy EXPR_LOCUS from stmt to
17405         the new vec_stmt.
17406
17407 2005-02-03  Dorit Naishlos  <dorit@il.ibm.com>
17408
17409         * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Call
17410         standard_iv_increment_position. Remove call to bsi_next
17411         (no need to bump the iterator anymore).
17412         (vect_create_index_for_vector_ref): Call
17413         standard_iv_increment_position. Remove second function argument.
17414         (vect_finish_stmt_generation): Remove call to bsi_next
17415         (no need to bump the iterator anymore).
17416         (vect_create_data_ref_ptr): Remove second argument (bsi) in call
17417         to vect_create_index_for_vector_ref.
17418
17419 2005-02-03  Dorit Naishlos  <dorit@il.ibm.com>
17420
17421         * tree-vectorizer.c (vect_mark_stmts_to_be_vectorized): Check if
17422         phis are used out of the loop.
17423
17424 2005-02-03  Joseph S. Myers  <joseph@codesourcery.com>
17425
17426         PR c/17807
17427         * c-decl.c (undef_nested_function): New variable.
17428         (pop_scope): Diagnose undefined nested functions.
17429         (finish_function): Don't attempt cgraph processing or genericizing
17430         if current top-level function contained an undefined nested
17431         function.  Reset undef_nested_function at the end of a top-level
17432         function.
17433
17434 2005-02-02  Zdenek Dvorak  <dvorakz@suse.cz>
17435
17436         * tree.c (build_int_cst_type): Take sign of the value into account
17437         when deciding whether sign extend the value.
17438
17439 2005-02-02  Joseph S. Myers  <joseph@codesourcery.com>
17440
17441         PR c/18502
17442         * gcc.c (cpp_unique_options): Remove %{trigraphs}.
17443         (cpp_options, cc1_options): Change %{std*&ansi} to
17444         %{std*&ansi&trigraphs}.
17445
17446 2005-02-02  Kazu Hirata  <kazu@cs.umass.edu>
17447
17448         * cse.c: Update comments.
17449
17450 2005-02-02  Aldy Hernandez  <aldyh@redhat.com>
17451
17452         * config/rs6000/rs6000.c (rs6000_spe_function_arg): Multi-reg
17453         arguments go on the stack.  Do not put complex doubles in odd/even
17454         pairs.
17455
17456 2005-02-02  Steven Bosscher  <stevenb@suse.de>
17457
17458         * doc/invoke.texi: Update the options enabled at -O1, -O2,
17459         and -O3.  Update the documentation for -fgcse-sm, -fgcse-las,
17460         -ftree-pre, and -fthread-jumps.
17461
17462 2005-02-02  Richard Sandiford  <rsandifo@redhat.com>
17463
17464         PR tree-optimization/19578
17465         * tree-flow.h (modified_noreturn_calls): Declare.
17466         (noreturn_call_p): Declare.
17467         * tree-flow-inline.h (noreturn_call_p): New function.
17468         (modify_stmt): Add modified noreturn calls to modified_noreturn_calls.
17469         * tree-cfg.c (modified_noreturn_calls): New variable.
17470         (cleanup_control_flow): Use noreturn_call_p.  Split basic blocks
17471         that contain a mid-block noreturn call.
17472         * tree-ssa.c (delete_tree_ssa): Clear modified_noreturn_calls.
17473
17474 2005-02-02  Kazu Hirata  <kazu@cs.umass.edu>
17475
17476         * df.c (df_def_record_1, df_uses_record): Don't use
17477         DF_FOR_REGALLOC.
17478         * df.h (DF_FOR_REGALLOC): Remove.
17479
17480 2005-02-02  Joseph S. Myers  <joseph@codesourcery.com>
17481
17482         PR c/19435
17483         * c-typeck.c (really_start_incremental_init): Reset
17484         constructor_max_index for arrays of incomplete type.
17485
17486 2005-02-02  Jeff Law  <law@redhat.com>
17487
17488         * gcse.c (struct reg_set): Store the block index where the register
17489         was set rather than the setting insn.
17490         (record_one_set, compute_transp): Corresponding changes.
17491         (pre_insert_copy_insn): Do not call replace_one_set.
17492         (replace_one_set): Remove.
17493
17494 2005-02-02  Joseph S. Myers  <joseph@codesourcery.com>
17495
17496         PR other/15514
17497         * doc/gcov.texi: Fix typo.
17498
17499 2005-02-01  Richard Henderson  <rth@redhat.com
17500
17501         PR target/19680
17502         * config/i386/i386.h (MODES_TIEABLE_P): Use ix86_modes_tieable_p.
17503         * config/i386/i386.c (ix86_hard_regno_mode_ok): Change return
17504         type to bool.
17505         (ix86_tieable_integer_mode_p, ix86_modes_tieable_p): New.
17506         * config/i386/i386-protos.h: Update.
17507
17508 2005-02-01  Steven Bosscher  <stevenb@suse.de>
17509
17510         PR tree-optimization/19217
17511         * tree-cfg.c (verify_expr): Use the data field to see if TP was
17512         seen inside a PHI node.  Do not do the ADDR_EXPR check if it was.
17513         (verify_stmts): Pass (void*)1 as data to verify_expr to signal
17514         that it is walking a PHI node.
17515
17516 2005-02-01  Joseph S. Myers  <joseph@codesourcery.com>
17517
17518         * doc/extend.texi (Nested Functions): Update.
17519
17520 2005-02-01  Richard Henderson  <rth@redhat.com>
17521
17522         PR 19696
17523         * optabs.c (expand_copysign_absneg): Export.
17524         * optabs.h (expand_copysign_absneg): Declare.
17525         * config/rs6000/rs6000.md (copysigntf3): New.
17526
17527 2005-02-01  Diego Novillo  <dnovillo@redhat.com>
17528
17529         PR tree-optimization/19633
17530         * tree-flow.h (struct ptr_info_def): Add field 'pt_null'.
17531         * tree-ssa-alias.c (init_alias_info): Initialize.
17532         (merge_pointed_to_info): Set.
17533         (add_pointed_to_expr): Set pt_null if EXPR is a NULL pointer.
17534         (dump_points_to_info_for): Show value of pt_null.
17535         (struct count_ptr_d): Declare.
17536         (find_ptr_dereference): Remove.
17537         (ptr_is_dereferenced_by): Remove.
17538         (count_ptr_derefs): New local function.
17539         (count_uses_and_derefs): New local function.
17540         (compute_points_to_and_addr_escape): Call it.  If the number
17541         of dereferences is greater than zero, mark the pointer as
17542         dereferenced.  If there are fewer dereferences than uses of
17543         the pointer, the pointer's value escapes.
17544
17545 2005-02-01  Diego Novillo  <dnovillo@redhat.com>
17546
17547         PR tree-optimization/19670
17548         * tree-ssa.c (verify_ssa_name): Don't set TREE_VISITED
17549         here...
17550         (verify_use): ... set it here, instead.
17551
17552 2005-02-01  Janis Johnson  <janis187@us.ibm.com>
17553
17554         * doc/sourcebuild.texi (Test directives): Fix formatting.
17555
17556         * doc/sourcebuild.texi (Test directives): Describe selector
17557         expressions.
17558
17559 2005-02-01  Segher Boessenkool  <segher@kernel.crashing.org>
17560
17561         * config.gcc (powerpc64-*-linux*): Default to -m64 also for
17562         specific 64-bit CPUs.
17563
17564 2005-02-01  Richard Earnshaw  <rearnsha@arm.com>
17565
17566         PR target/16201
17567         * arm.c (arm_eliminable_register): New function.
17568         (adjacent_mem_locations): Don't allow eliminable registers.  Use
17569         HOST_WIDE_INT for address offsets.
17570         * arm-protos.h (arm_eliminable_register): Add prototype.
17571
17572 2005-02-01  Steven Bosscher  <stevenb@suse.de>
17573
17574         PR optimization/15242
17575         * params.def (PARAM_MAX_GOTO_DUPLICATION_INSNS): New param.
17576         * basic-block.h (duplicate_computed_gotos): Add prototype.
17577         * bb-reorder.c (duplicate_computed_gotos): New function to
17578         duplicate sufficiently small blocks ending in a computed jump.
17579         * passes.c (rest_of_compilation): Call duplicate_computed_gotos
17580         if not optimizing for size.
17581         * cfgcleanup.c (try_crossjump_bb): If not optimizing for size,
17582         never do tail merging for blocks ending in a computed jump.
17583         * doc/invoke.texi: Document the max-goto-duplication-insns param.
17584
17585 2005-02-01  Eric Botcazou  <ebotcazou@libertysurf.fr>
17586
17587         Patch from Richard Sandiford <rsandifo@redhat.com>
17588         * reload1.c (choose_reload_regs): Prevent the find_equiv_reg() code
17589         from inheriting a subreg equivalence with a non-spill register.
17590
17591         * tree.h (DECL_FUNCTION_CODE): Document that it is overloaded.
17592
17593 2005-02-01  Alexandre Oliva  <aoliva@redhat.com>
17594
17595         * config/frv/frv.c (movcc_fp_destination_operand): New.
17596         (gpr_or_memory_operand): Fix typo in comment.
17597         (gpr_or_memory_operand_with_scratch): New.
17598         * config/frv/frv.h (PREDICATE_CODES): Add the two new predicates.
17599         * config/frv/frv.md (movcc_fp, movcc_fp_internal): Use
17600         movcc_fp_destination_operand.
17601         (reload_incc_fp): Use gpr_or_memory_operand_with_scratch.
17602         Legitimize memory addresses using a scratch register.
17603
17604 2005-01-31  Jeff Law  <law@redhat.com>
17605
17606         * tree-into-ssa.c (mark_def_sites_global_data): Make KILLS
17607         bitmap a sparse bitmap instead of a simple bitmap.
17608         (mark_def_sites_initialize_block):  Corresponding changes.
17609         (ssa_mark_def_sites_initialize_block): Likewise.
17610         (ssa_mark_phi_uses): Likewise.
17611         (mark_def_site, ssa_mark_def_sites): Likewise.
17612         (mark_def_site_blocks): Likewise.
17613         (rewrite_ssa_into_ssa): Likewise.
17614
17615         * tree-ssa-dom.c (record_cond): Pass correct variable type
17616         for last argument to htab_find_slot_with_hash.
17617
17618         * fold-const.c (fold, case CEIL_MOD_EXPR): Do not lose side
17619         effects when optimizing 0 % X.  Do not try to optimize X % 0.
17620
17621 2005-01-31  James E. Wilson  <wilson@specifixinc.com>
17622
17623         * config/ia64/itanium1.md (1_scall bypass): Change 2_mmalua to
17624         1_mmalua.
17625
17626 2005-02-01  Eric Christopher  <echristo@redhat.com>
17627
17628         * config/mips/mips.c (override_options): Warn if -mint64
17629         is used.
17630         * doc/invoke.texi (MIPS Options): Document that -mint64 is
17631         deprecated.
17632
17633 2005-02-01  Kazu Hirata  <kazu@cs.umass.edu>
17634
17635         * cse.c (cse_reg_info): Remove hash_next, next, regno.  Add
17636         timestamp.
17637         (cse_reg_info_list, cse_reg_info_list_free, REGHASH_SHIFT,
17638         REGHASH_SIZE, REGHASH_MASK, reg_hash, REGHASH_FN,
17639         cached_cse_reg_info, GET_CSE_REG_INFO): Remove.
17640         (cached_regno): Initialize to INVALID_REGNUM.
17641         (cse_reg_info_table_size,
17642         cse_reg_info_table_first_uninitialized,
17643         cse_reg_info_timestamp): New.
17644         (REG_TICK, REG_IN_TABLE, SUBREG_TICKED, REG_QTY): Use
17645         get_cse_reg_info.
17646         (init_cse_reg_info, get_cse_reg_info_1): New.
17647         (get_cse_reg_info): Cache the last look-up.
17648         (new_basic_block): Update the code to clear mappings from
17649         registers to cse_reg_info entries.
17650         (cse_main): Call init_cse_reg_info.
17651
17652         * cse.c (get_cse_reg_info): Update a comment.
17653
17654 2005-01-31  Steven Bosscher  <stevenb@suse.de>
17655
17656         PR c/19333
17657         * c-decl.c (start_decl): Do not warn about arrays of elements with
17658         an incomplete type here.
17659         (grokdeclarator): Do it here by making a pedwarn an error.
17660         * c-typeck.c (push_init_level): If there were previous errors with
17661         the constructor type, do not warn about braces for initializers.
17662         (process_init_element): Likewise for excess initializer elements.
17663
17664 2005-01-31  Kazu Hirata  <kazu@cs.umass.edu>
17665
17666         * cse.c (delete_trivially_dead_insn): Don't iterate.
17667
17668 2005-01-31  Andrew Pinski  <pinskia@physics.uc.edu>
17669
17670         * config/rs6000/rs6000.md (copysignsf3): New expand.
17671         (copysigndf3): Likewise.
17672
17673 2005-01-31  Steven Bosscher  <stevenb@suse.de>
17674
17675         * recog.c (constrain_operands): Only look for earlyclobber operand
17676         conflicts if an '&' constraint was seen.
17677
17678 2005-01-31  Marc Espie <espie@openbsd.org>
17679
17680         * config.gcc: Don't include embedded systems fragment, switches default
17681         debugging format to ELF.
17682         * config/i386/openbsdelf.h: Add DBX_REGISTER_NUMBER since we no
17683         longer pick it up there.
17684
17685 2005-01-31  Dale Johannesen  <dalej@apple.com>
17686
17687         * doc/extend.texi (nested functions): Fix linkage description.
17688         Clarify that static is not allowed.
17689
17690 2005-01-31  Dale Johannesen  <dalej@apple.com>
17691
17692         * config/rs6000/darwin.md (movsf_low_di):  Make work.
17693         (movdf_low_di):  Make work.
17694
17695 2005-01-31  Dale Johannesen  <dalej@apple.com>
17696
17697         * config/rs6000/darwin-tramp.asm (__trampoline_setup):
17698         Make work for 64 bit.
17699
17700 2005-01-31  Roger Sayle  <roger@eyesopen.com>
17701             Dale Johannesen  <dalej@apple.com>
17702
17703         PR middle-end/19650
17704         * fold-const.c (fold_binary_op_with_conditional_arg):
17705         Make types match original operands, before STRIP_NOPS.
17706
17707 2005-01-31  Alan Modra  <amodra@bigpond.net.au>
17708
17709         * config/rs6000/linux-unwind.h (struct gcc_vregs): New.
17710         (struct gcc_regs): Rename from gcc_pt_regs.  Add more regs.
17711         (struct gcc_sigcontext): Delete.  Merge contents to..
17712         (struct gcc_ucontext): ..here.
17713         (get_sigcontext): Delete.
17714         (get_regs): New function, like get_sigcontext but return regs ptr.
17715         64-bit version finds regs from r1 to support vdso.
17716         (ppc_linux_aux_vector): New function.
17717         (ppc_fallback_frame_state): Modify for get_regs.  Restore fprs
17718         and vector regs.
17719
17720 2005-01-31  Ira Rosen  <irar@il.ibm.com>
17721
17722         * tree-vectorizer.c (vect_analyze_offset_expr): Use ssizetype instead
17723         sizetype.
17724         (vect_get_base_and_offset): Use ssizetype instead sizetype. Remove
17725         redundant fold. Fix misalignment for MINUS_EXPR.
17726         (vect_compute_data_ref_alignment): Use ssizetype instead sizetype.
17727         (vect_analyze_pointer_ref_access): Likewise.
17728         (vect_get_memtag_and_dr): Likewise.
17729
17730 2005-01-31  Richard Henderson  <rth@redhat.com>
17731
17732         * config/i386/i386.c (absnegsf2_mixed): Remove all of the # hackery.
17733         (absnegsf2_sse, absnegsf2_i387, absnegdf2_mixed, absnegdf2_sse,
17734         absnegdf2_i387, absnegxf2_i387): Likewise.
17735
17736 2005-01-31  Richard Henderson  <rth@redhat.com>
17737
17738         PR 19696
17739         * optabs.c (expand_copysign_absneg): New.
17740         (expand_copysign_bit): Split out from ...
17741         (expand_copysign): ... here.  Use expand_copysign_absneg.
17742
17743 2005-01-30  Roger Sayle  <roger@eyesopen.com>
17744
17745         PR middle-end/19697
17746         * config/pa/pa.md (anddi3, iordi3): On HPPA64, disallow an integer
17747         constant as the second operand and a register as the third.
17748
17749 2005-01-31  Danny Smith  <dannysmith@users.sourceforge.net>
17750
17751         PR target/19704
17752         * config/i386/i386.c (ix86_function_ok_for_sibcall):  Also check
17753         that dllimport'd functions do not use all call-clobbered registers
17754         to pass parameters.
17755
17756 2005-01-30  Richard Henderson  <rth@redhat.com>
17757
17758         PR 19696
17759         * optabs.c (expand_absneg_bit): Split out from expand_unop and
17760         expand_abs_nojump and generalize.  Use operand_subword and
17761         emit_no_conflict_block.  Support large modes.
17762         (expand_abs_nojump): Use it.  Use HONOR_SIGNED_ZEROS to fall
17763         back to maximum.
17764         (expand_unop): Likewise.  Use HONOR_SIGNED_ZEROS to fall back
17765         negation to subtraction.
17766         (expand_copysign): Check that the format has signed zeros.
17767         Use operand_subword and emit_no_conflict_block.  Support large modes.
17768
17769 2005-01-30  Daniel Berlin  <dberlin@dberlin.org>
17770
17771         Fix PR tree-optimization/19624
17772
17773         * Makefile.in (tree-ssa-pre.o): Add CFGLOOP_H.
17774         * tree-ssa-pre.c: Add cfgloop.h.
17775         Update comment.
17776         (pre_stats): New member, constified.
17777         (inserted_exprs): New static variable.
17778         (NECESSARY): New macro.
17779         (create_expression_by_pieces): Fold the expression, and
17780         mark it as defaulting to not necessary. Also put in
17781         inserted_exprs.
17782         (fully_constant_expression): New function.
17783         (insert_into_preds_of_block): Modify to not insert phis when we
17784         are playing with induction variables.
17785         Push phis onto the inserted_exprs vector, and mark them as not
17786         necessary by default.
17787         (insert_aux): Call fully_constant_expression on eprime.
17788         If all edges produce the same value, mark it constant.
17789         (mark_operand_necessary): New function.
17790         (remove_dead_inserted_code): New function.
17791         (init_pre): Init loop optimizer to get loop info.
17792         (fini_pre): Free loop_optimizer, and inserted_exprs vec.
17793         (execute_pre): Commit edge inserts, then remove dead code.
17794
17795 2005-01-30  Richard Henderson  <rth@redhat.com>
17796
17797         * rtl.c (rtx_equal_p): No early exit for CONST_VECTOR.
17798         * varasm.c (const_rtx_hash_1): Handle CONST_VECTOR.
17799
17800 2005-01-30  Richard Henderson  <rth@redhat.com>
17801
17802         PR target/19700
17803         * config/i386/i386.c (ix86_expand_copysign): New.
17804         (ix86_split_copysign_const): New.
17805         (ix86_split_copysign_var): Rename from ix86_split_copysign,
17806         rearrange op1/nmask operands.
17807         * config/i386/i386-protos.h: Update.
17808         * config/i386/i386.md (copysignsf3): Use ix86_expand_copysign.
17809         (copysigndf3): Likewise.
17810         (copysignsf3_const, copysigndf3_const): New.
17811         (copysignsf3_var): Rename from copysignsf3, split out splitter
17812         and fix split predicate for X constraint.
17813         (copysigndf3_var): Similarly.
17814
17815 2005-01-30  Kazu Hirata  <kazu@cs.umass.edu>
17816
17817         * optabs.c, doc/c-tree.texi, doc/install.texi, doc/md.texi,
17818         doc/passes.texi, doc/rtl.texi, doc/sourcebuild.texi,
17819         doc/tm.texi, doc/tree-ssa.texi: Update copyright.
17820
17821 2005-01-29  Richard Henderson  <rth@redhat.com>
17822
17823         PR target/19690
17824         * config/i386/i386.md (movdf_nointeger, movdf_integer): Fix ordering
17825         of # and * in constraints.
17826
17827 2005-01-29  Richard Henderson  <rth@redhat.com>
17828
17829         PR middle-end/19689
17830         * expr.c (store_field): Don't strip sub-mode cast when the input
17831         data is even smaller.
17832
17833 2005-01-29  Richard Henderson  <rth@redhat.com>
17834
17835         PR middle-end/19687
17836         * expr.c (categorize_ctor_elements_1): Check for CONSTRUCTOR of a
17837         union being empty.
17838
17839 2005-01-29  Richard Henderson  <rth@redhat.com>
17840
17841         * combine.c (make_field_assignment): Fix argument order
17842         to gen_int_mode.
17843
17844 2005-01-29  Richard Guenther <richard.guenther@uni-tuebingen.de>
17845
17846         PR tree-optimization/15791
17847         * fold-const.c (extract_array_ref): New function.
17848         (fold): Fold comparisons between &a[i] and &a[j] or
17849         semantically equivalent trees.
17850
17851 2005-01-29  Jeff Law  <law@redhat.com>
17852
17853         * gcse.c (insert_expr_in_table): Revamp handling of available
17854         and anticipatable occurrence lists to avoid unnecessary list
17855         walking.
17856         (insert_set_in_table): Similarly.
17857
17858 2005-01-29  Joseph S. Myers  <joseph@codesourcery.com>
17859
17860         * c-common.c (fix_string_type): Just use c_build_qualified_type to
17861         build string type.
17862         (c_build_qualified_type): Build qualified array types with
17863         TYPE_MAIN_VARIANT pointing to corresponding unqualified type.
17864         * c-decl.c (c_make_fname_decl): Build unqualified array type
17865         before qualified type.
17866         (grokdeclarator): Use TYPE_MAIN_VARIANT of typedef type if element
17867         type is qualified, not just if type itself is.  Don't apply
17868         qualifiers to array type when declarator is processed.  Apply
17869         qualifiers to field type whether or not it is an array type.
17870         Don't handle array types specially for applying qualifiers to
17871         variables.
17872         * c-typeck.c (composite_type): Build unqualified element type and
17873         array type when forming composite of array types.
17874         (common_pointer_type, comptypes, comp_target_types,
17875         type_lists_compatible_p, build_indirect_ref, build_array_ref,
17876         convert_for_assignment): Don't apply TYPE_MAIN_VARIANT to array
17877         types.
17878         (type_lists_compatible_p): Cache TREE_VALUE (args1) and TREE_VALUE
17879         (args2) in variables a1 and a2.
17880
17881 2005-01-29  Kazu Hirata  <kazu@cs.umass.edu>
17882
17883         * cse.c (n_elements_made, max_elements_made): Remove.
17884         (insert): Don't touch n_elements_made.
17885         (cse_main): Don't touch n_elements_made or max_elements_made.
17886
17887 2005-01-28  Stephane Carrez  <stcarrez@nerim.fr>
17888
17889         PR target/15384
17890         * config/m68hc11/t-m68hc11-gas (dp-bit.c): Fix typo causing a
17891         configuration part of dp-bit.c to be lost.
17892
17893 2005-01-28  Roger Sayle  <roger@eyesopen.com>
17894
17895         * expmed.c (expand_mult_highpart_optab): When attempting to use
17896         a non-widening multiplication in a wider mode, the operands need
17897         to be converted (zero or sign extended) to that mode.
17898
17899 2005-01-28  Ian Lance Taylor  <ian@airs.com>
17900
17901         PR middle-end/16558
17902         PR middle-end/19583
17903         * gimple-low.c (block_may_fallthru): TRY_FINALLY_EXPR only falls
17904         through if both operands fall through.
17905
17906 2005-01-28  Kazu Hirata  <kazu@cs.umass.edu>
17907
17908         * cse.c (fold_rtx) <PC>: Don't optimize.
17909
17910 2005-01-28  Jeff Law  <law@redhat.com>
17911
17912         * fold-const.c (fold, case CEIL_MOD_EXPR): Optimize 0 % X.
17913         (case FLOOR_MOD_EXPR, ROUND_MOD_EXPR, TRUNC_MOD_EXPR): Similarly.
17914
17915 2005-01-28  Kazu Hirata  <kazu@cs.umass.edu>
17916
17917         * cse.c (cse_reg_info_free_list, cse_reg_info_used_list,
17918         cse_reg_info_used_list_end): Remove.
17919         (cse_reg_info_list, cse_reg_info_list_free): New.
17920         (get_cse_reg_info): When allocating an instance of
17921         cse_reg_info, add it to the beginning of the cse_reg_info_list
17922         list.  Remove code to maintain cse_reg_info_used_list.
17923         (new_basic_block): Reset the free list to the beginning of
17924         cse_reg_info_list.
17925
17926 2005-01-28  Richard Sandiford  <rsandifo@redhat.com>
17927
17928         * config/frv/frv.c (bdesc_2arg): Remove __MDPACKH.
17929         (frv_init_builtins): Change its prototype to take 4 uhalf arguments.
17930         (frv_expand_mdpackh_builtin): New function.
17931         (frv_expand_builtin): Use it to expand __MDPACKH.
17932         * doc/extend.texi (__MDPACKH): Update documentation.
17933
17934 2005-01-28  Uros Bizjak  <uros@kss-loka.si>
17935
17936         * config/i386/i386.c (ix86_expand_fp_absneg_operator): Use
17937         SSE_FLOAT_MODE_P for use_sse computation.
17938
17939 2005-01-28  Ralf Corsepius  <ralf.corsepius@rtems.org>
17940
17941         PR target/19663
17942         * config/sparc/rtemself.h (LINK_GCC_C_SEQUENCE_SPEC): undefine.
17943
17944 2005-01-27  Richard Henderson  <rth@redhat.com>
17945
17946         * builtins.c (expand_builtin_copysign): New.
17947         (expand_builtin): Call it.
17948         * genopinit.c (optabs): Add copysign_optab.
17949         * optabs.c (init_optabs): Initialize it.
17950         (expand_copysign): New.
17951         * optabs.h (OTI_copysign, copysign_optab): New.
17952         (expand_copysign): Declare.
17953
17954         * config/alpha/alpha.md (UNSPEC_COPYSIGN): New.
17955         (copysignsf3, ncopysignsf3, copysigndf3, ncopysigndf3): New.
17956
17957         * config/i386/i386.c (ix86_build_signbit_mask): Split from ...
17958         (ix86_expand_fp_absneg_operator): ... here.
17959         (ix86_split_copysign): New.
17960         * config/i386/i386-protos.h: Update.
17961         * config/i386/i386.md (UNSPEC_COPYSIGN): New.
17962         (copysignsf3, copysigndf3): New.
17963
17964         * config/ia64/ia64.md (UNSPEC_COPYSIGN): New.
17965         (copysignsf3, ncopysignsf3): New.
17966         (copysigndf3, ncopysigndf3): New.
17967         (copysignxf3, ncopysignxf3): New.
17968         * config/ia64/ia64.c (rtx_needs_barrier): Handle UNSPEC_COPYSIGN.
17969
17970 2005-01-27  Arend Bayer  <arend.bayer@web.de>
17971             Kazu Hirata  <kazu@cs.umass.edu>
17972
17973         * cse.c: (find_best_addr): Don't call copy_rtx before calling
17974         fold_rtx.  Save cost recomputation if fold_rtx did nothing.
17975         (fold_rtx) <ASM_OPERANDS>: Don't do anything if INSN is
17976         NULL_RTX.
17977
17978 2005-01-27  Jeff Law  <law@redhat.com>
17979
17980         * tree-into-ssa.c (ssa_rewrite_initialize_block): Do not register
17981         definitions of SSA_NAMEs which are not being rewritten.
17982         (rewrite_ssa_into_ssa): Only initialize the current definition
17983         of an SSA_NAME if that SSA_NAME has been marked for rewriting.
17984         If checking is enabled, assert that SSA_NAME_AUX is clear for all
17985         SSA_NAMEs before returning.
17986
17987 2005-01-27  Kazu Hirata  <kazu@cs.umass.edu>
17988
17989         * c-common.def, c-dump.c, c-gimplify.c, c-objc-common.c,
17990         cfgexpand.c, dbxout.c, function.h, opts.c, tree-flow-inline.h,
17991         tree-ssa-operands.h, tree-ssa-threadupdate.c, tree-tailcall.c,
17992         config/avr/avr.md, config/cris/aout.h, config/cris/cris.h,
17993         config/mips/iris6.h, config/sh/sh.c: Update copyright.
17994
17995 2005-01-27  Steven Bosscher  <stevenb@suse.de>
17996
17997         PR middle-end/17278
17998         * opts.c (decode_options): Move flag_thread_jumps from -O1 and
17999         higher to -O2 and higher.  Likewise for tree PRE.
18000         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Only iterate at -O2
18001         and better.
18002
18003 2005-01-27  Ian Lance Taylor  <ian@airs.com>
18004
18005         PR middle-end/19583
18006         * gimple-low.c (try_catch_may_fallthru): New static function.
18007         (block_may_fallthru): Handle TRY_CATCH_EXPR.
18008         * tree-inline.c (expand_call_inline): Don't warn about reaching
18009         the end of a non-void function being inlined if the function uses
18010         a return slot.
18011
18012 2005-01-27  Jakub Jelinek  <jakub@redhat.com>
18013
18014         * config/i386/i386.h (CALL_USED_REGISTERS): Fix comment pastos.
18015
18016         PR c/18946
18017         * c-decl.c (warn_if_shadowing): Handle old_decl error_mark_node.
18018         (pushdecl): Only use DECL_FILE_SCOPE_P if DECL_P.
18019         (implicitly_declare): Handle error_mark_node.
18020
18021 2005-01-27  Richard Henderson  <rth@redhat.com>
18022
18023         PR tree-opt/14329
18024         * tree.h (struct tree_decl): Add debug_expr_is_from.
18025         (DECL_DEBUG_EXPR_IS_FROM): New.
18026         (DECL_DEBUG_EXPR): Rename from DECL_DEBUG_ALIAS_OF.
18027         * dwarf2out.c (dwarf2out_var_location): Update to match.
18028         * tree-outof-ssa.c (create_temp): Likewise.
18029         * var-tracking.c (track_expr_p): Likewise.
18030         * tree-sra.c (instantiate_element): Set DECL_DEBUG_EXPR.
18031         * c-objc-common.c (c_tree_printer) <'D'>: Handle DECL_DEBUG_EXPR.
18032         * toplev.c (default_tree_printer): Likewise.
18033
18034 2005-01-27  Alexandre Oliva  <aoliva@redhat.com>
18035
18036         * config/frv/frv.c (frv_class_likely_spilled_p): Add GR8_REGS,
18037         GR9_REGS, GR89_REGS, FDPIC_FPTR_REGS, FDPIC_REGS.
18038
18039 2005-01-27  Steven Bosscher  <stevenb@suse.de>
18040
18041         * tree.h (SWITCH_COND, SWITCH_BODY, SWITCH_LABELS, CASE_LOW,
18042         CASE_HIGH, CASE_LABEL, ASM_STRING, ASM_OUTPUTS, ASM_INPUTS,
18043         ASM_CLOBBERS): Add tree checks.
18044
18045         * c-common.h (SWITCH_TYPE): Rename to SWITCH_STMT_TYPE.
18046         (SWITCH_STMT_COND, SWITCH_STMT_BODY): New.
18047         * c-common.def (SWITCH_STMT): Update to match.
18048         * c-common.c (c_do_switch_warnings): Use SWITCH_STMT accessor
18049         macros instead of SWITCH_EXPR ones.
18050         * c-dump.c (c_dump_tree): Likewise.
18051         * c-gimplify.c (gimplify_switch_stmt): Likewise.
18052         * c-typeck.c (c_start_case, do_case, c_finish_case): Likewise.
18053
18054         * doc/c-tree.texi (SWITCH_STMT): Update accessor macro names.
18055
18056 2005-01-27  Alan Modra  <amodra@bigpond.net.au>
18057
18058         * unwind-dw2.c (execute_stack_op): Add missing cases for
18059         DW_OP_shl, DW_OP_shr, DW_OP_shra, DW_OP_xor.
18060
18061 2005-01-27  Eric Botcazou  <ebotcazou@libertysurf.fr>
18062
18063         * config.gcc (Obsolete configurations): Remove 'dummy', add
18064         sparclite-*-coff*, sparclite-*-elf*, sparc86x-*-elf* and
18065         sparc-*-openbsd*.
18066
18067 2005-01-26  Diego Novillo  <dnovillo@redhat.com>
18068
18069         PR tree-optimization/19633
18070         * tree-ssa-alias.c (ptr_is_dereferenced_by): Also handle
18071         CALL_EXPRs.
18072         (maybe_create_global_var): Do not create .GLOBAL_VAR if there
18073         are no call-clobbered variables.
18074         * tree-outof-ssa.c (check_replaceable): Return false for calls
18075         with side-effects.
18076
18077 2005-01-26  Ulrich Weigand  <uweigand@de.ibm.com>
18078
18079         * dbxout.c (dbxout_symbol_location): Resolve constant pool references
18080         even for variables with NULL DECL_INITIAL.
18081
18082 2005-01-26  Stuart Hastings  <stuart@apple.com>
18083
18084         * gimplify.c (shortcut_cond_expr): Re-compute side-effects.
18085
18086 2005-01-26  Richard Henderson  <rth@redhat.com>
18087
18088         PR middle-end/18008
18089         * c-decl.c (finish_struct): Set DECL_MODE after resetting a
18090         field's type.
18091         * expr.c (store_field): Strip conversions to odd-bit-sized types
18092         if the destination field width matches.
18093
18094 2005-01-26  Richard Henderson  <rth@redhat.com>
18095
18096         * c-decl.c, expmed.c, expr.c: Revert last change.
18097
18098 2005-01-26  Richard Henderson  <rth@redhat.com>
18099
18100         PR middle-end/18008
18101         * c-decl.c (finish_struct): Set DECL_MODE after resetting a
18102         field's type.
18103         * expmed.c (store_fixed_bit_field): Create a paradoxical subreg
18104         if we don't need the bits above those present in the current mode.
18105         * expr.c (store_field): Strip conversions to odd-bit-sized types
18106         if the destination field width matches.
18107
18108 2005-01-26  Richard Sandiford  <rsandifo@redhat.com>
18109
18110         * config/mips/iris6.h (ENDFILE_SPEC): Don't link in irix-csr.o if
18111         either -ffast-math or -funsafe-math-optimizations is in use.
18112
18113 2005-01-26  Marek Michalkiewicz  <marekm@amelek.gda.pl>
18114
18115         PR target/19293
18116         PR target/19329
18117         * config/avr/avr.c (notice_update_cc): Only set condition code for
18118         ashrqi3 if shift count > 0.
18119         (out_shift_with_cnt): Handle shift count <= 0 as a no-op.
18120         (ashlqi3_out, ashlhi3_out, ashlsi3_out, ashrqi3_out, ashrhi3_out,
18121         ashrsi3_out, lshrqi3_out, lshrhi3_out, lshrsi3_out): Handle shift
18122         count <= 0 as a no-op, and shift count >= width by copying zero
18123         or sign bit to all bits of the result.
18124         * config/avr/avr.md (all shifts): Add alternatives for zero shift
18125         count, with attribute "length" set to 0 and "cc" set to "none".
18126
18127 2005-01-26  Aldy Hernandez  <aldyh@redhat.com>
18128
18129         * doc/invoke.texi: Document -mTLS.
18130
18131         * testsuite/gcc.target/frv/all-tls-global-dynamic.c: New.
18132         * testsuite/gcc.target/frv/all-tls-initial-exec.c: New.
18133         * testsuite/gcc.target/frv/all-tls-initial-exec-pic.c: New.
18134         * testsuite/gcc.target/frv/all-tls-local-dynamic.c: New.
18135         * testsuite/gcc.target/frv/all-tls-local-dynamic-plt.c: New.
18136         * testsuite/gcc.target/frv/all-tls-local-dynamic-plt-pic.c: New.
18137         * testsuite/gcc.target/frv/all-tls-local-exec.c: New.
18138         * testsuite/gcc.target/frv/all-tls-local-exec-TLS.c: New.
18139
18140         * configure.ac: Check for a TLS capable gas.
18141
18142         * configure: Regenerate.
18143
18144 2005-01-26  Richard Henderson  <rth@redhat.com>
18145
18146         PR middle-end/18008
18147         * combine.c (make_field_assignment): Simplify store to zero_extract
18148         from a source with an overlapping mask.
18149
18150 2005-01-26  Aldy Hernandez  <aldyh@redhat.com>
18151
18152         2004-11-11  Eric Christopher  <echristo@redhat.com>
18153
18154         * config/frv/frv.md: Add fr400_integer automaton. Don't
18155         allow TYPE_MUL, TYPE_MACC, or TYPE_CUT to issue in parallel
18156         to TYPE_MACC.
18157
18158 2005-01-26  Steven Bosscher  <stevenb@suse.de>
18159
18160         PR middle-end/16585
18161         * cfgbuild.c (make_edges): Do not clear or set
18162         current_function_has_computed_jump.
18163         * function.h (struct function): Remove the has_computed_jump field.
18164         (current_function_has_computed_jump): Do not define.
18165         * sched-rgn.c (is_cfg_nonregular): Return true if a basic block ends
18166         in a computed jump.  Ignore current_function_has_computed_jump.
18167
18168 2005-01-26  Richard Henderson  <rth@redhat.com>
18169
18170         PR middle-end/19515
18171         * expr.c (categorize_ctor_elements): New argument p_must_clear.
18172         (categorize_ctor_elements_1): Likewise.  Detect a union that isn't
18173         fully initialized.
18174         (mostly_zeros_p): Update for new categorize_ctor_elements argument.
18175         * gimplify.c (gimplify_init_constructor): Likewise.  Only shove
18176         objects into static storage if they have more than one non-zero value.
18177         * tree.h (categorize_ctor_elements): Update decl.
18178
18179 2005-01-26  Steven Bosscher  <stevenb@suse.de>
18180
18181         PR middle-end/19616
18182         * tree.h (CALL_EXPR_TAILCALL): Add comment.
18183         * calls.c (check_sibcall_argument_overlap_1): Revert the change
18184         to this function from 2004-07-10.
18185         * tree-tailcall.c (suitable_for_tail_opt_p): Do not consider the
18186         the current function for tail call optimizations if the address
18187         of one of it its arguments is taken.
18188
18189 2005-01-26  Kazu Hirata  <kazu@cs.umass.edu>
18190
18191         * cse.c (fold_rtx): Call equiv_constant only when necessary.
18192
18193 2005-01-26  Bernd Schmidt  <bernd.schmidt@analog.com>
18194
18195         * function.c (expand_function_end): If current_function_calls_alloca,
18196         emit stack restore in a place that is reached when the function falls
18197         through at the end.
18198
18199 2005-01-26  Alexandre Oliva  <aoliva@redhat.com>
18200
18201         * Makefile.in (../$(build_subdir)/fixincludes/fixincl): Add dummy
18202         rule to avoid matching inappropriate suffix rule.
18203
18204 2005-01-26  Jan Hubicka  <jh@suse.cz>
18205
18206         PR tree-optimization/19241
18207         * tree-inline.c (copy_body_r): Do not walk subtrees after substituting.
18208
18209 2005-01-26  Hans-Peter Nilsson  <hp@axis.com>
18210
18211         * config/cris/cris.h (LIB_SPEC) <sim*>: Use -lsyslinux, not
18212         -lsyssim.  Wrap -lc -lsyssim in --start-group --end-group instead
18213         of doubling.
18214         (STARTFILE_SPEC): Add crti.o, before crtbegin.o.
18215         <sim*>: Always use crt1.o, regardless of N in simN.
18216         <!sim>: Drop support for -pg and -p variants; always use crt0.o.
18217         (ENDFILE_SPEC): Add crtn.o, after crtend.o.
18218         (CRT_CALL_STATIC_FUNCTION): Remove.
18219         * config/cris/aout.h (STARTFILE_SPEC): <!melinux && sim*>: Always
18220         use crt1.o, regardless of N in simN.
18221         <!sim>: Drop support for -pg and -p variants; always use crt0.o.
18222         (LIB_SPEC): Do not define; default to the one in config/cris/cris.h.
18223         (CRIS_CPP_SUBTARGET_SPEC) <melinux && !nostdinc>: Remove special
18224         case isystem setting.
18225         (MAX_OFILE_ALIGNMENT): Correct to 32, not 16.
18226
18227 2005-01-25  Ian Lance Taylor  <ian@airs.com>
18228
18229         * gimple-low.c (block_may_fallthru): Correct handling of
18230         SWITCH_EXPR--may fall through if SWITCH_LABELS is NULL.
18231
18232 2005-01-26  Hans-Peter Nilsson  <hp@axis.com>
18233
18234         * config/cris/cris.h (CPP_SPEC): Adjust the various mtune=
18235         handlers to match indentation; nested under the mtune=* handler.
18236         Similar for mcpu= and march=.
18237
18238 2005-01-25  Daniel Jacobowitz  <dan@codesourcery.com>
18239
18240         * config/mips/linux.h (LIB_SPEC): Remove -rpath-link.
18241         * config/mips/linux64.h (LIB_SPEC): Likewise.
18242         * config/mn10300/linux.h (LIB_SPEC): Likewise.
18243         * config/sh/linux.h (LIB_SPEC): Likewise.
18244
18245 2005-01-25  Aldy Hernandez  <aldyh@redhat.com>
18246
18247         * config/frv/frv.c (frv_legitimize_tls_address): New.
18248         (TARGET_HAVE_TLS): Define.
18249         (FRV_SYMBOL_REF_TLS_P): Define.
18250         (frv_override_options): Handle new register classes.
18251         (frv_legitimate_address_p): Reject tls addresses.
18252         (frv_legitimize_address): Handle TLS addresses.
18253         (gen_inlined_tls_plt): New.
18254         (gen_tlsmoff): New.
18255         (frv_legitimize_tls_address): New.
18256         (unspec_got_name): Add TLS entries.
18257         (got12_operand): Add R_FRV_TLSMOFF12 case.
18258         (frv_emit_move): Fixup TLS addresses.
18259         (frv_emit_movsi): Legitimize TLS addresses.
18260
18261         * config/frv/frv.h (MASK_BIG_TLS): New.
18262         (TARGET_BIG_TLS): New.
18263         (HAVE_AS_TLS): Define.
18264         (TARGET_SWITCHES): Add -mTLS and -mtls options.
18265         (enum reg_class): Add GR8_REGS, GR9_REGS, GR89_REGS.
18266         (REG_CLASS_NAMES): Same.
18267         (REG_CLASS_CONTENTS): Same.
18268         (CONSTRAINT_LEN): New.
18269         (REG_CLASS_FROM_CONSTRAINT): New.
18270         (PREDICATE_CODES): Add symbolic_operand.
18271
18272         * config/frv/frv.md (define_constants): Add UNSPEC_GETTLSOFF,
18273         UNSPEC_TLS_LOAD_GOTTLSOFF12, UNSPEC_TLS_INDIRECT_CALL,
18274         UNSPEC_TLS_TLSDESC_LDD, UNSPEC_TLS_TLSDESC_LDD_AUX,
18275         UNSPEC_TLS_TLSOFF_LD, UNSPEC_TLS_LDDI, UNSPEC_TLSOFF_HILO,
18276         R_FRV_GOTTLSOFF_HI, R_FRV_GOTTLSOFF_LO, R_FRV_TLSMOFFHI,
18277         R_FRV_TLSMOFFLO, R_FRV_TLSMOFF12, R_FRV_TLSDESCHI,
18278         R_FRV_TLSDESCLO, R_FRV_GOTTLSDESCHI, R_FRV_GOTTLSDESCLO, GR8_REG,
18279         GR9_REG, GR14_REG, LRREG.
18280         (type): Add load_or_call attribute.
18281         ("load_or_call"): New reservation.
18282         ("call_gettlsoff"): New.
18283         ("tls_indirect_call"): New.
18284         ("tls_load_gottlsoff12"): New.
18285         ("tlsoff_hilo"): New.
18286         ("tls_tlsdesc_ldd"): New.
18287         ("tls_tlsoff_ld"): New.
18288         ("tls_lddi"): New.
18289
18290         * config/frv/frv-protos.h (symbolic_operand): Protoize.
18291
18292         2005-01-25  Alexandre Oliva  <aoliva@redhat.com>
18293
18294         * config/frv/frv.h (ASM_OUTPUT_DWARF_DTPREL): Define.
18295         * config/frv/frv-protos.h (frv_output_dwarf_dtprel): Declare.
18296         * config/frv/frv.c (TLS_BIAS): Define.
18297         (frv_output_dwarf_dtprel): New.
18298
18299 2005-01-26  Jakub Jelinek  <jakub@redhat.com>
18300
18301         PR rtl-optimization/19579
18302         * ifcvt.c (noce_try_cmove_arith): If emitting instructions to set up
18303         both A and B, see if they don't clobber registers the other expr uses.
18304
18305 2005-01-25  J"orn Rennecke <joern.rennecke@st.com>
18306
18307         * real.c (do_add): Initialize signalling and canonical members.
18308
18309         * real.c (real_from_integer): Zero out destination.
18310
18311 2005-01-18  Jan Hubicka  <jh@suse.cz>
18312
18313         PR tree-optimize/19337
18314         * tree-inline.c (initialize_inlined_parameters): Copy
18315         saved_static_chain_decl only.
18316
18317 2005-01-25  Richard Henderson  <rth@redhat.com>
18318
18319         PR target/19556
18320         PR target/19584
18321         * config/i386/i386.c (x86_inter_unit_moves): Zero.
18322         (ix86_preferred_reload_class): Rewrite fp-constant section, with
18323         80387 enabled, to return a proper subclass.  Return the subset that
18324         overlaps with GENERAL_REGS for PLUS.
18325         * config/i386/i386.md (movsi_1, movdi_2): Set type to "mmx" for pxor.
18326
18327 2005-01-25  Richard Henderson  <rth@redhat.com>
18328
18329         PR middle-end/19609
18330         * tree-complex.c (expand_complex_div_wide): Use the correct formulae.
18331
18332 2005-01-25  Roger Sayle  <roger@eyesopen.com>
18333
18334         * expmed.c (choose_multiplier): Change interface to return the
18335         multiplier lowpart as an rtx instead of an unsigned HOST_WIDE_INT.
18336         (expand_divmod): Update calls to choose_multiplier.
18337
18338 2005-01-24  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
18339
18340         PR middle-end/19330
18341         * expmed.c (extract_bit_field): Use adjust_address instead of
18342         gen_lowpart when op0 is a MEM.
18343
18344 2005-01-24  Steven Bosscher  <stevenb@suse.de>
18345
18346         * cfgexpand.c (expand_gimple_tailcall): Fix typo.
18347
18348 2005-01-24  Richard Sandiford  <rsandifo@redhat.com>
18349
18350         * config/mips/irix-csr.c: New file.
18351         * config/mips/t-iris6 (irix-csr.o): New rule to build it.
18352         (EXTRA_MULTILIB_PARTS): Add irix-csr.o.
18353         * config/mips/iris6.h (ENDFILE_SPEC): Include it in n32 and n64
18354         executables.
18355
18356 2005-01-24  Eric Botcazou  <ebotcazou@libertysurf.fr>
18357
18358         PR bootstrap/19364
18359         * config.gcc (sparc-*-elf*): Remove sol2.h, sparc/sol2.h and
18360         sparc/elf.h, add sparc/sp-elf.h.
18361         (sparc-*-rtems*): Likewise.
18362         (sparclite-*-elf*): Remove sol2.h, sparc/sol2.h, sparc/elf.h and
18363         tm-dwarf2.h, add sparc/sp-elf.h.
18364         (sparc86x-*-elf): Likewise.
18365         (sparc64-*-elf*): Remove sol2.h, sparc/sol2.h and tm-dwarf2.h.
18366         * config/sparc/liteelf.h (TARGET_SUB_OS_CPP_BUILTINS): Rename into
18367         TARGET_OS_CPP_BUILTINS.
18368         * config/sparc/sp86x-elf (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
18369         * config/sparc/rtemself.h (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
18370         Undefine it.
18371         * config/sparc/openbsd64.h (NO_IMPLICIT_EXTERN_C): Undefine.
18372         * config/sparc/sp64-elf.h (NO_IMPLICIT_EXTERN_C): New macro.
18373         (SWITCH_TAKES_ARG): Likewise.
18374         (LOCAL_LABEL_PREFIX): Likewise.
18375         (ASM_GENERATE_INTERNAL_LABEL): Likewise.
18376         (TARGET_N_FORMAT_TYPES): Delete.
18377         (TARGET_FORMAT_TYPES): Likewise.
18378         (ASM_DECLARE_FUNCTION_SIZE): Likewise.
18379         * config/sparc/elf.h: Delete.
18380         * config/sparc/sp-elf.h: New file.
18381
18382 2005-01-24  Kazu Hirata  <kazu@cs.umass.edu>
18383
18384         * tree-flow-inline.h (phi_arg_from_edge): Remove.
18385         * tree-flow.h: Remove the corresponding prototype.
18386         * tree-ssa-operands.h, tree-ssa-threadupdate.c, tree-ssa.c,
18387         tree-vectorizer.c: Use dest_idx instead of phi_arg_from_edge.
18388
18389 2005-01-24  Jakub Jelinek  <jakub@redhat.com>
18390
18391         PR target/17751
18392         * config/rs6000/rs6000.c (rs6000_file_start): Create toc section
18393         for AIX ABI or ELF -fPIC.
18394         (rs6000_emit_load_toc_table): Don't create toc_section here.
18395         (rs6000_xcoff_file_start): Nor here.
18396
18397 2005-01-24  J"orn Rennecke <joern.rennecke@st.com>
18398
18399         * sh.c (ra.h): Don't #include.
18400         (hard_regs_intersect_p): New function, resurrected from ra.c.
18401
18402         * sh.c: Fix 1996 Copyright.
18403
18404 2005-01-24  Richard Henderson  <rth@redhat.com>
18405             Aldy Hernandez  <aldyh@redhat.com>
18406
18407         * regrename.c (note_sets): Handle subregs.
18408
18409 2005-01-24  Joseph S. Myers  <joseph@codesourcery.com>
18410
18411         PR bootstrap/18058
18412         * genconditions.c (write_header, write_conditions): Elide file if
18413         not GCC >= 3.0.1.
18414
18415 2005-01-24  Kazu Hirata  <kazu@cs.umass.edu>
18416
18417         * c-opts.c, expmed.c, gengtype.c, tree-complex.c,
18418         config/arm/iwmmxt.md, config/avr/avr.c, config/s390/s390.h:
18419         Update copyright.
18420
18421 2005-01-24  Jakub Jelinek  <jakub@redhat.com>
18422
18423         * builtins.c (get_pointer_alignment, gimplify_va_arg_expr,
18424         expand_builtin_printf, expand_builtin_fprintf,
18425         expand_builtin_sprintf): Use POINTER_TYPE_P instead TREE_CODE
18426         checking against POINTER_TYPE.
18427         (validate_arglist): Handle POINTER_TYPE code by checking
18428         POINTER_TYPE_P.
18429
18430 2005-01-24  Paolo Bonzini  <bonzini@gnu.org>
18431
18432         * rtlanal.c (non_rtx_starting_operands, for_each_rtx_1,
18433         init_rtlanal): New.
18434         (for_each_rtx): Call for_each_rtx_1.
18435         * rtl.h (init_rtlanal): Declare.
18436         * toplev.c (backend_init): Call init_rtlanal.
18437
18438 2005-01-24  Jakub Jelinek  <jakub@redhat.com>
18439
18440         * flow.c (propagate_one_insn): Formatting.
18441
18442         PR middle-end/19551
18443         * flow.c (libcall_dead_p): Be more conservative if unsure.
18444         If there are any instructions between insn and call, see if they are
18445         all dead before saying the libcall is dead.
18446
18447 2005-01-24  Uros Bizjak  <uros@kss-loka.si>
18448
18449         * config/i386/i386.md (*extendsfdf2_sse): Use "nonimmediate_operand"
18450         operand constraint for operand 0.
18451
18452 2005-01-23  Richard Henderson  <rth@redhat.com>
18453
18454         PR 19486
18455         * tree-complex.c (expand_complex_div_wide): Set EDGE_FALLTHRU on
18456         edges leading to join block.
18457
18458 2005-01-23  Roger Sayle  <roger@eyesopen.com>
18459
18460         * expmed.c (expand_mult_highpart): Make static.  Change type of
18461         constant multiplier argument from unsigned HOST_WIDE_INT to rtx.
18462         (expand_divmod): Updates calls to expand_mult_highpart by using
18463         gen_int_mode to pass a CONST_INT rtx.
18464         * rtl.h (expand_mult_highpart): Remove prototype.
18465
18466 2005-01-23  Kazu Hirata  <kazu@cs.umass.edu>
18467
18468         * flow.c (regset_bytes, regset_size): Remove.
18469
18470         * cfganal.c: Fix a reference to Harvey's paper.
18471
18472 2005-01-23  Steven Bosscher  <stevenb@suse.de>
18473
18474         PR rtl-optimization/19464
18475         * tree-optimize.c (init_tree_optimization_passes): Add one more
18476         copyrename pass just before out-of-ssa.
18477
18478 2005-01-23  Joseph S. Myers  <joseph@codesourcery.com>
18479
18480         PR bootstrap/18058
18481         * recog.c (recog_memoized): Don't define if GENERATOR_FILE.
18482         * ggc-none.c (ggc_free): Define.
18483
18484 2005-01-23  Kazu Hirata  <kazu@cs.umass.edu>
18485
18486         * cse.c (max_reg, max_insn_uid): Remove.
18487         (cse_main): Don't access max_reg or max_insn_uid.
18488
18489         * c-common.c (explicit_flag_signed_bitfields,
18490         lang_statement_code_p, lang_expand_function_end): Remove.
18491         * c-common.h: Remove the corresponding declarations.
18492         * c-opts.c (c_common_handle_option): Remove all write access
18493         to explicit_flag_signed_bitfields.
18494
18495         * cgraph.c (cgraph_varpool_n_nodes): Remove.
18496         (cgraph_varpool_node): Don't access cgraph_varpool_n_nodes.
18497         * cgraph.h: Remove the corresponding declaration.
18498
18499         * gcse.c (null_pointer_info): Remove.
18500
18501 2005-01-23  Roger Sayle  <roger@eyesopen.com>
18502             Eric Botcazou  <ebotcazou@libertysurf.fr>
18503
18504         * combine.c (simplify_logical): Only simplify logical expressions
18505         of the form ior(and(x,y),z) by the inverse distributive law if the
18506         result is cheaper than the original.
18507
18508 2005-01-23  Kazu Hirata  <kazu@cs.umass.edu>
18509
18510         * alias.c, c-common.h, c-incpath.c, c-incpath.h, expr.c,
18511         fold-const.c, gimplify.c, params.h, tree-data-ref.c,
18512         tree-if-conv.c, tree-nested.c, tree-outof-ssa.c,
18513         tree-ssa-dom.c, tree-vectorizer.c, tree.def, config/darwin.c,
18514         config/freebsd-spec.h, config/arm/arm.h,
18515         config/h8300/h8300.md, config/i386/i386.md,
18516         config/i386/predicates.md, config/i386/sse.md,
18517         config/ia64/ia64.c, config/ip2k/ip2k.c, config/s390/s390.c,
18518         config/vax/vax.md: Fix comment typos.  Follow spelling
18519         conventions.
18520
18521 2005-01-23  Steven Bosscher  <stevenb@suse.de>
18522
18523         * gengtype.c (walk_type): Produce `not equal to' compares for loop
18524         tests, instead of `less than'.
18525
18526 2005-01-23  Richard Sandiford  <rsandifo@redhat.com>
18527
18528         * function.c (assign_parm_setup_block): When creating a new stack slot
18529         for a parameter, get its alignment from the parameter's DECL_ALIGN
18530         rather than the type's TYPE_ALIGN.  Make sure that the parameter
18531         is at least word aligned.
18532
18533 2005-01-22  Roger Sayle  <roger@eyesopen.com>
18534
18535         PR middle-end/19378
18536         * config/avr/avr.c (avr_hard_regno_mode_ok): Rewrite.
18537
18538 2005-01-22  Richard Henderson  <rth@redhat.com>
18539
18540         PR target/19506
18541         * config/i386/i386.md (movsfcc_1_sse_max): Use nonimmediate_operand
18542         in both compare operands.
18543         (movdfcc_1_sse_max): Likewise.
18544         (movsfcc_1_sse): Likewise.  Add earlyclobber for scratch.
18545         (movdfcc_1_sse): Likewise.
18546         * config/i386/i386.c (ix86_split_sse_movcc): Emit copies into the
18547         scratch register as needed.
18548
18549 2005-01-22  Richard Henderson  <rth@redhat.com>
18550
18551         * config/i386/i386.md (smaxsf3): Fix mnemonic typo.
18552
18553         * config/i386/i386.c (ix86_prepare_fp_compare_args): Fix is_sse test.
18554
18555 2005-01-22  Richard Henderson  <rth@redhat.com>
18556
18557         * genopinit.c (optabs): Use smin/smax for floating point too.
18558         * doc/md.texi: Update to match.  Clarify that floating point
18559         results are undefined for +0/-0 and NaN.
18560         * doc/rtl.texi: Likewise.
18561         * rtl.def (SMIN, SMAX): Likewise
18562         * tree.def (MIN_EXPR, MAX_EXPR): Likewise.
18563
18564         * config/alpha/alpha.md (smaxdf3, smindf3, smaxsf3, sminsf3): Add
18565         leading 's' to the name.
18566         * config/ia64/ia64.md (smaxsf3, sminsf3, smaxdf3, smindf3,
18567         smaxxf3, sminxf3): Likewise.
18568         * config/rs6000/rs6000.md (smaxdf3, smindf3, smaxsf3, sminsf3):
18569         Likewise.
18570
18571 2005-01-22  Paul Brook  <paul@codesourcery.com>
18572
18573         * config/arm/arm.md: Use "Uy" constraint for wcgr load/stores.
18574
18575 2005-01-21  Mark Dettinger  <dettinge@de.ibm.com>
18576
18577         * config/s390/s390.c (struct processor_costs): New fields
18578         dlgr, dlr, dr, dsgfr, dsgr.
18579         (z900_cost, z990_cost): Values for new fields.
18580         (s390_rtx_costs): New cases MEM und COMPARE in switch
18581         statement. Modified handling of SIGN_EXTEND, ZERO_EXTEND,
18582         DIV, MOD, UDIV, UMOD.
18583
18584 2005-01-21  Ulrich Weigand  <uweigand@de.ibm.com>
18585
18586         * config/s390/s390.md ("doloop_si64"): Reload input value directly
18587         into the register being decremented.
18588         ("doloop_si31", "doloop_di"): Likewise.
18589         ("*doloop_si_long"): Adapt pattern.
18590
18591 2005-01-21  Ulrich Weigand  <uweigand@de.ibm.com>
18592
18593         * config/s390/s390.h (HARD_REGNO_NREGS): Fix computation for
18594         access registers.
18595         (CLASS_MAX_NREGS): Likewise.
18596
18597 2005-01-21  Daniel Berlin  <dberlin@dberlin.org>
18598
18599         * doc/tree-ssa.texi (Statement Operands): Add example for new
18600         must-def macro. Note deprecation of old operands interface.
18601
18602 2005-01-22  Richard Sandiford  <rsandifo@redhat.com>
18603
18604         PR tree-optimization/19484
18605         * tree-cfg.c (remove_fallthru_edge): New function.
18606         (cleanup_control_flow): Remove fallthru edges from calls that are
18607         now known not to return.
18608
18609 2005-01-20  Daniel Berlin  <dberlin@dberlin.org>
18610
18611         Fix PR tree-optimization/19038
18612         * tree-ssa-dom.c (cprop_operand): Don't replace loop invaeriant
18613         copies with loop variant ones.
18614
18615 2005-01-22  Kazu Hirata  <kazu@cs.umass.edu>
18616
18617         * cfganal.c, real.h, reorg.c, timevar.def, tree-ssa-ccp.c,
18618         config/alpha/alpha-protos.h, config/alpha/alpha.h,
18619         config/alpha/alpha.md, config/alpha/predicates.md,
18620         config/sparc/freebsd.h, config/sparc/netbsd-elf.h,
18621         config/sparc/sol2.h: Update copyright.
18622
18623         * tree-cfg.c (remove_forwarder_block_with_phi): Look at the
18624         first label to see if it is a nonlocal label.
18625
18626 2005-01-22  David Edelsohn  <edelsohn@gnu.org>
18627             Andrew Pinski  <pinskia@physics.uc.edu>
18628
18629         PR target/19491
18630         * config/rs6000/rs6000.c (rs6000_va_start): Saturate n_gpr at
18631         maximum number of GPRs.  Saturate n_fpr at maximum number of FPRs.
18632
18633 2005-01-22  Ralf Corsepius  <ralf.corsepius@rtems.org>
18634
18635         * config/rs6000/rtems.h: Update copyright.
18636
18637 2005-01-22  Ralf Corsepius  <ralf.corsepius@rtems.org>
18638
18639         PR target/19548
18640         * config/rs6000/rtems.h: Resurrect cpp_os_rtems_spec from gcc < 3.4.
18641         (CPP_OS_RTEMS_SPEC): New (From gcc-3.3's config/rs6000/sys4.h).
18642         (SUBSUBTARGET_EXTRA_SPECS): Use CPP_OS_RTEMS_SPEC.
18643
18644 2005-01-22  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
18645
18646         PR c/18809
18647         * c-typeck.c (convert_arguments): Check for error_mark_node.
18648
18649 2005-01-21  Ian Lance Taylor  <ian@airs.com>
18650
18651         PR tree-optimization/13000
18652         * tree-inline.c: Include "tree-flow.h".
18653         (expand_call_inline): If warn_return_type, warn if non-void inline
18654         function falls through.
18655         * tree-cfg.c (execute_warn_function_return): Don't warn about
18656         control reaching end if TREE_NO_WARNING is set.  Set
18657         TREE_NO_WARNING.
18658         * gimple-low.c (block_may_fallthru): Don't assume that SWITCH_EXPR
18659         has been lowered.
18660         * gimplify.c (shortcut_cond_expr): Don't emit a jump over the else
18661         branch if we don't need one.
18662         * c-typeck.c: Include "tree-flow.h"
18663         (c_finish_bc_stmt): Don't add a goto if the current statement
18664         list doesn't fall through to the current point.
18665
18666 2005-01-21  Roger Sayle  <roger@eyesopen.com>
18667
18668         PR rtl-optimization/576
18669         * real.c (real_arithmetic): Change return type from void to bool
18670         to return an indication that the result may be inexact.
18671         * real.h (real_arithmeric): Update prototype.
18672         * fold-const.c (const_binop):  Don't constant fold floating
18673         point expressions when the user specifies -frounding-math and
18674         the result may depend upon the run-time rounding mode.
18675         (fold_convert_const_real_from_real): Clean-up.
18676         (fold_initializer): Ignore flag_rounding_math for initializers.
18677         * simplify-rtx.c (simplify_binary_operation): Likewise, don't
18678         constant fold FP operations with flag_rounding_math if the
18679         result may depend upon the run-time rounding mode.
18680
18681 2005-01-21  Tom Tromey  <tromey@redhat.com>
18682
18683         * c-cppbuiltin.c (define__GNUC__): Correct assertion.
18684
18685 2005-01-21  Kazu Hirata  <kazu@cs.umass.edu>
18686
18687         * tree-cfg.c: Fix comment typos.
18688
18689 2005-01-21  J"orn Rennecke <joern.rennecke@st.com>
18690
18691         * passes.c (rest_of_handle_flow2): Close / open the flow2 dump file
18692         around the call to rest_of_handle_branch_target_load_optimize.
18693
18694 2005-01-21  Eric Botcazou  <ebotcazou@libertysurf.fr>
18695
18696         * config.gcc (sparc-*-netbsdelf*): Include dbxelf.h
18697         (sparc64-*-openbsd*): Likewise.
18698         (sparclite-*-elf*): Include tm-dwarf2.h.
18699         (sparc86x-*-elf*): Likewise.
18700         (sparc64-*-elf*): Likewise.
18701         * config/sparc/linux64.h (DWARF2_DEBUGGING_INFO): Delete.
18702         (DBX_DEBUGGING_INFO): Likewise.
18703         * config/sparc/liteelf.h (DWARF2_DEBUGGING_INFO): Likewise.
18704         (PREFERRED_DEBUGGING_TYPE): Likewise.
18705         * config/sparc/netbsd-elf.h (PREFERRED_DEBUGGING_TYPE): Likewise.
18706         * config/sparc/sp64-elf.h (DBX_DEBUGGING_INFO): Likewise.
18707         (PREFERRED_DEBUGGING_TYPE): Likewise.
18708         * config/sparc/sp86x-elf.h (DWARF2_DEBUGGING_INFO): Likewise.
18709         (PREFERRED_DEBUGGING_TYPE): Likewise.
18710         * config/sparc/sparc.h (DBX_DEBUGGING_INFO): Likewise.
18711
18712 2005-01-21  Hans-Peter Nilsson  <hp@bitrange.com>
18713
18714         PR target/18701
18715         * combine.c (combine_simplify_rtx): Revert change of 2004-12-31.
18716
18717 2005-01-20  Paul Brook  <paul@codesourcery.com>
18718
18719         * doc/rtl.texi: Document value extension requirements for CONST_INT.
18720
18721 2005-01-20  Kazu Hirata  <kazu@cs.umass.edu>
18722
18723         * tree-cfg.c (tree_verify_flow_info): Check that a nonlocal
18724         label is first in a sequence of labels.
18725
18726         * tree-cfg.c (tree_verify_flow_info): Fix a typo.
18727
18728 2005-01-20  Janis Johnson  <janis187@us.ibm.com>
18729             Giovanni Bajo  <giovannibajo@gcc.gnu.org>
18730
18731         * doc/sourcebuild.texi (Test Directives): New.
18732
18733 2005-01-20  Roger Sayle  <roger@eyesopen.com>
18734
18735         * real.c (real_floor): Don't leave the result uninitialized when
18736         mode is VOIDMode, but return the unrounded intermediate value.
18737         (real_ceil): Likewise.
18738
18739 2005-01-20  Paul Brook  <paul@codesourcery.com>
18740
18741         * config/arm/arm.md (insv): Use gen_int_mode.
18742
18743 2005-01-20  Eric Botcazou  <ebotcazou@libertysurf.fr>
18744
18745         * config/sparc/freebsd.h (ASM_OUTPUT_INTERNAL_LABELREF): Delete.
18746         * config/sparc/linux.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
18747         * config/sparc/linux64.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
18748         * config/sparc/netbsd-elf.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
18749         * config/sparc/sol2.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
18750
18751 2005-01-20  Daniel Berlin  <dberlin@dberlin.org>
18752
18753         Fix PR debug/19124
18754         * dwarf2out.c (concat_loc_descriptor): We don't know we can use
18755         fbreg, so we have to assume we can't.
18756         (loc_descriptor_from_tree_1): Ditto.
18757         (containing_function_has_frame_base): New function.
18758         (add_location_or_const_value_attribute): Use it.
18759         Also try to generate a frame_base from a single element location
18760         list.
18761
18762 2005-01-20  Kazu Hirata  <kazu@cs.umass.edu>
18763
18764         PR tree-optimization/15349
18765         * timevar.def (TV_TREE_MERGE_PHI): New.
18766         * tree-cfg.c (tree_forwarder_block_p): Add a new argument
18767         PHI_WANTED.
18768         (remove_forwarder_block, cleanup_forwarder_blocks): Adjust the
18769         calls to tree_forwarder_block_p.
18770         (remove_forwarder_block_with_phi, merge_phi_nodes,
18771         gate_merge_phi, pass_merge_phi): New.
18772         * tree-optimize.c (init_tree_optimization_passes): Add
18773         pass_merge_phi.
18774         * tree-pass.h: Add an extern for pass_merge_phi;
18775
18776 2005-01-20  Richard Henderson  <rth@redhat.com>
18777
18778         PR target/19418
18779         * config/i386/emmintrin.h (_mm_castpd_ps, _mm_castpd_si128): New.
18780         (_mm_castps_pd, _mm_castps_si128): New.
18781         (_mm_castsi128_ps, _mm_castsi128_pd): New.
18782
18783 2005-01-20  Richard Henderson  <rth@redhat.com>
18784
18785         PR target/19530
18786         * config/i386/mmintrin.h (_mm_cvtsi32_si64): Use
18787         __builtin_ia32_vec_init_v2si.
18788         (_mm_cvtsi64_si32): Use __builtin_ia32_vec_ext_v2si.
18789         * config/i386/i386.c (IX86_BUILTIN_VEC_EXT_V2SI): New.
18790         (ix86_init_mmx_sse_builtins): Create it.
18791         (ix86_expand_builtin): Expand it.
18792         (ix86_expand_vector_set): Handle V2SFmode and V2SImode.
18793         * config/i386/mmx.md (vec_extractv2sf_0, vec_extractv2sf_1): New.
18794         (vec_extractv2si_0, vec_extractv2si_1): New.
18795
18796 2005-01-20  Richard Henderson  <rth@redhat.com>
18797
18798         PR target/16533
18799         * config/i386/i386.c (ix86_expand_push): New.
18800         * config/i386/mmx.md (push<MMXMODE>1): New.
18801         * config/i386/sse.md (push<SSEMODE>1): New.
18802         * config/i386/i386-protos.h: Update.
18803
18804 2005-01-20  Kazu Hirata  <kazu@cs.umass.edu>
18805
18806         * params.def, params.h, predict.c, tree-ssa-loop-im.c: Update
18807         copyright.
18808
18809 2005-01-20  Richard Henderson  <rth@redhat.com>
18810
18811         * rtl.def (CONST_VECTOR): Use RTX_CONST_OBJ.
18812         * rtl.h (CONSTANT_P): Don't special case CONST_VECTOR.
18813
18814 2005-01-19  Richard Henderson  <rth@redhat.com>
18815
18816         PR target/19350
18817         * config/i386/i386.c (ix86_expand_vector_move_misalign): Convert
18818         to V4SFmode in SSE1 fallback load path.
18819
18820 2005-01-19  Richard Henderson  <rth@redhat.com>
18821
18822         * config/i386/i386.c (ix86_expand_vector_init_one_var): Fix typo
18823         in QImode expansion to ix86_expand_vector_set.
18824         (ix86_expand_vector_init_general): Fix typo in V8HImode recursive call.
18825
18826 2005-01-19  Richard Henderson  <rth@redhat.com>
18827
18828         PR target/19511
18829         * config/i386/i386.c (ix86_preferred_reload_class): Return a proper
18830         subclass of the input class.
18831         (ix86_secondary_memory_needed): Always true for cross-MMX classes.
18832         Always true for cross-SSE1 classes.  Rationalize conditionals.
18833         * config/i386/i386.h (SSE_CLASS_P, MMX_CLASS_P): Use straight equality.
18834         * config/i386/i386.md (movsi_1): Add MMX/SSE zeros.  Fix alternatives
18835         for SSE1.  Don't check TARGET_INTER_UNIT_MOVES.
18836         (movdi_2): Add MMX/SSE zeros.
18837         (movdi_1_rex64): Likewise.  Don't check TARGET_INTER_UNIT_MOVES.
18838         (movsf_1): Don't check TARGET_INTER_UNIT_MOVES.
18839         (zero_extendsidi2_32, zero_extendsidi2_rex64): Likewise.
18840         (movsi_1_nointernunit, movdi_1_rex64_nointerunit): Remove.
18841         (movsf_1_nointerunit, zero_extendsidi2_32_1): Remove.
18842         (zero_extendsidi2_rex64_1): Remove.
18843         (MOV0 peephole): Check GENERAL_REG_P.
18844
18845 2005-01-19  Richard Henderson  <rth@redhat.com>
18846
18847         PR target/19427
18848         * config/i386/i386.c (ix86_expand_vector_set): Fix third and fourth
18849         shufps elements.
18850         (ix86_expand_vector_extract): Likewise.
18851
18852 2005-01-19  Richard Henderson  <rth@redhat.com>
18853
18854         PR middle-end/19304
18855         * expr.c (emit_move_change_mode): New argument force; use
18856         simplify_gen_subreg if true.
18857         (emit_move_via_alt_mode): Merge into ...
18858         (emit_move_via_integer): ... here.
18859         (emit_move_ccmode): Use emit_move_change_mode directly.
18860
18861 2005-01-19  Richard Henderson  <rth@redhat.com>
18862
18863         PR target/19518
18864         * config/alpha/alpha.c (alpha_rtx_costs): Handle HIGH.
18865         (alpha_preferred_reload_class): Handle CONST_VECTOR.
18866         (alpha_emit_set_const_1): Add no_output parameter; don't emit
18867         rtl if true.
18868         (alpha_emit_set_const): Likewise.  Make static.
18869         (alpha_emit_set_long_const): Make static.
18870         (alpha_extract_integer): Split out from alpha_expand_mov.
18871         (alpha_split_const_mov): Likewise.
18872         (alpha_expand_mov): Use them.  Handle CONST_VECTOR.
18873         (alpha_legitimate_constant_p): New.
18874         * config/alpha/alpha-protos.h: Update.
18875         * config/alpha/alpha.h (REGISTER_MOVE_COST): Correct fp<->gp cost.
18876         (LEGITIMATE_CONSTANT_P): Re-implement with a function.
18877         * config/alpha/alpha.md (movsi): Add n alternative.
18878         (movsi_nt_vms, movdi_er_nofix, movdi_er_fix, movdi_fix): Likewise.
18879         (mov<VEC>_fix, mov<VEC>_nofix): Add i alternative.
18880         (splitters for all of the above): Use alpha_split_const_mov.
18881         * config/alpha/predicates.md (non_add_const_operand): New.
18882         (non_zero_const_operand): New.
18883         (input_operand): Use alpha_legitimate_constant_p after reload.
18884
18885 2005-01-19  Zdenek Dvorak  <dvorakz@suse.cz>
18886
18887         PR tree-optimization/19038
18888         * tree-ssa-loop-ivopts.c (allow_ip_end_pos_p): New function.
18889         (add_candidate): Add ivs with increment in latch only if
18890         allow_ip_end_pos_p is true.
18891         (determine_iv_cost): Use empty_block_p.
18892
18893 2005-01-19  Daniel Berlin  <dberlin@dberlin.org>
18894
18895         * cfganal.c (compute_dominance_frontiers_1): Replace with new algorithm
18896         (compute_dominance_frontiers): Ditto.
18897
18898 2005-01-19  Ralf Corsepius  <ralf.corsepius@rtems.org>
18899
18900         PR target/19529
18901         * config/sh/t-rtems: New.
18902         * config.gcc (sh-*-rtems*): Reflect having added config/sh/t-rtems.
18903
18904 2005-01-19  Zdenek Dvorak  <dvorakz@suse.cz>
18905
18906         * tree-ssa-ccp.c (maybe_fold_offset_to_component_ref): Always subtract
18907         the offset of the selected field.
18908
18909 2005-01-19  Kazu Hirata  <kazu@cs.umass.edu>
18910
18911         * tree-cfg.c (remove_forwarder_block): Fix the check to
18912         prevent a nonlocal label from appearing in the middle of a
18913         basic block.
18914
18915 2005-01-19  Hans-Peter Nilsson  <hp@axis.com>
18916
18917         PR rtl-optimization/19462
18918         * reorg.c (find_end_label): Create return insn only if
18919         current_function_epilogue_delay_list is empty.
18920
18921 2005-01-19  Paolo Bonzini  <bonzini@gnu.org>
18922
18923         * doc/passes.texi: Remove paragraph mentioning new-ra.
18924
18925 2005-01-19  Jakub Jelinek  <jakub@redhat.com>
18926
18927         PR rtl-optimization/15139
18928         * combine.c: Include params.h.
18929         (count_rtxs): New function.
18930         (record_value_for_reg): If replace_rtx would replace at least
18931         2 occurrences of REG in VALUE and TEM is really large, replace REG with
18932         (clobber (const_int 0)) instead of TEM.
18933         * params.def (PARAM_MAX_LAST_VALUE_RTL): New.
18934         * params.h (MAX_LAST_VALUE_RTL): New.
18935         * Makefile.in (combine.o): Depend on $(PARAMS_H).
18936         * doc/invoke.texi (--param max-last-value-rtl=N): Document.
18937
18938         PR c/17297
18939         * c-typeck.c (digest_init): Only call build_vector if all constructor
18940         elements are *_CST nodes.
18941         * gimplify.c (gimplify_init_constructor): Likewise.
18942
18943         PR middle-end/19164
18944         * c-typeck.c (digest_init): Only call build_vector if inside_init
18945         is a CONSTRUCTOR.
18946
18947 2005-01-18  Tobias Schl"uter  <tobias.schlueter@physik.uni-muenchen.de>
18948
18949         * toplev.c (init_asm_output): Remove dead #ifdef.
18950
18951 2005-01-18  Kaz Kojima  <kkojima@gcc.gnu.org>
18952
18953         * config/sh/linux.h (TARGET_C99_FUNCTIONS): Define.
18954
18955 2005-01-18  Eric Botcazou  <ebotcazou@libertysurf.fr>
18956
18957         * calls.c (expand_call): Check DECL_BUILT_IN_CLASS before
18958         accessing DECL_FUNCTION_CODE.
18959         * dojump.c (do_jump): Likewise.
18960         * gimplify.c (gimplify_call_expr): Likewise.
18961         * predict.c (expr_expected_value): Likewise.
18962         (strip_builtin_expect): Likewise.
18963         * tree-inline.c (estimate_num_insns_1): Likewise.
18964         * tree-ssa-loop-im.c (stmt_cost): Likewise
18965         * fold-const.c (fold): Test for BUILT_IN_NORMAL.
18966         (tree_expr_nonnegative_p): Likewise.
18967
18968 2005-01-18  Eric Botcazou  <ebotcazou@libertysurf.fr>
18969
18970         * config/sparc/sparc.c (load_pic_register): Emit the appropriate
18971         variant of the load_pcrel_sym pattern.
18972         * config/sparc/sparc.md (P macro): Move to the top.
18973         (load_pcrel_sym): Macroize using P.
18974         (save_register_window): Likewise.
18975
18976 2005-01-18  Aldy Hernandez  <aldyh@redhat.com>
18977
18978         * config/rs6000/rs6000.md ("sunordered"): Disable for e500.
18979         ("sordered"): Same.
18980
18981 2005-01-18  Andrew Pinski  <pinskia@physics.uc.edu>
18982
18983         PR C/19472
18984         * c-typeck.c (build_asm_expr): Strip nops off
18985         input memory operands.
18986
18987 2005-01-18  David Edelsohn  <edelsohn@gnu.org>
18988
18989         * config/rs6000/aix43.h (CPLUSPLUS_CPP_SPEC): Delete
18990         _XOPEN_SOURCE, _XOPEN_SOURCE_EXTENDED, _LARGE_FILE_API.
18991         * config/rs6000/aix51.h (CPLUSPLUS_CPP_SPEC): Same.
18992         * config/rs6000/aix52.h (CPLUSPLUS_CPP_SPEC): Same.
18993
18994 2005-01-18  Joel Sherrill <joel.sherrill@oarcorp.com>
18995
18996         PR target/19379
18997         * config/i386/i386.c (override_options): If the 80387 is disabled,
18998         then do not return FP values using FP registers.
18999
19000 2005-01-18  Kazu Hirata  <kazu@cs.umass.edu>
19001
19002         * basic-block.h, c-common.c, c-cppbuiltin.c, c-lang.c,
19003         c-tree.h, cfgbuild.c, cgraph.c, cgraph.h, collect2.c,
19004         combine.c, config.gcc, coverage.h, cse.c, cselib.c,
19005         defaults.h, df.c, dwarf2asm.c, dwarf2out.c, explow.c, expr.c,
19006         flow.c, fold-const.c, gcse.c, ggc-page.c, gimple-low.c,
19007         gimplify.c, ifcvt.c, langhooks-def.h, lcm.c, optabs.h,
19008         output.h, postreload-gcse.c, postreload.c, recog.c,
19009         resource.c, rtl.def, rtlanal.c, sched-deps.c, sched-rgn.c,
19010         targhooks.h, toplev.c, tree-data-ref.c, tree-eh.c,
19011         tree-flow.h, tree-loop-linear.c, tree-mudflap.h, tree-nrv.c,
19012         tree-optimize.c, tree-outof-ssa.c, tree-pass.h,
19013         tree-scalar-evolution.c, tree-ssa-copy.c, tree-ssa-dce.c,
19014         tree-ssa-dse.c, tree-ssa-loop-ivopts.c, tree-ssa-operands.c,
19015         tree-ssa-pre.c, tree-ssa.c, tree-vectorizer.c, tree.def,
19016         unwind-dw2-fde-darwin.c, var-tracking.c: Update copyright.
19017
19018         * config/darwin.c, config/darwin.h, config/freebsd-spec.h,
19019         config/alpha/alpha.c, config/arm/vfp.md,
19020         config/i386/emmintrin.h, config/i386/i386-modes.def,
19021         config/i386/i386-protos.h, config/i386/i386.h,
19022         config/i386/pmmintrin.h, config/i386/ppro.md,
19023         config/i386/predicates.md, config/i386/xmmintrin.h,
19024         config/i860/i860.c, config/ia64/ia64-modes.def,
19025         config/ia64/ia64-protos.h, config/ia64/ia64.h,
19026         config/ia64/ia64.md, config/ia64/itanium1.md,
19027         config/ia64/itanium2.md, config/ia64/predicates.md,
19028         config/iq2000/iq2000.h, config/mips/linux64.h,
19029         config/rs6000/aix41.h, config/rs6000/aix43.h,
19030         config/rs6000/aix52.h, config/rs6000/darwin-fallback.c,
19031         config/rs6000/rs6000.c, config/rs6000/rs6000.h,
19032         config/rs6000/spe.md, config/sh/sh.md, config/sparc/linux.h,
19033         config/sparc/linux64.h, config/sparc/litecoff.h,
19034         config/sparc/sp64-elf.h, config/sparc/sparc.c,
19035         config/sparc/sparc.h, config/sparc/sparc.md,
19036         config/sparc/sysv4-only.h: Update copyright.
19037
19038 2005-01-18  Richard Henderson  <rth@redhat.com>
19039
19040         PR target/19496
19041         * config/i386/i386.c (ix86_expand_fp_movcc): Fail for LTGT and UNEQ.
19042
19043 2005-01-18  Marc Espie  <espie@openbsd.org>
19044         * config/i386/openbsdelf.h: Typo.
19045
19046 2005-01-18  Richard Henderson  <rth@redhat.com>
19047
19048         * config/i386/i386.c (ix86_expand_fp_movcc): Remove TARGET_IEEE_FP
19049         special case for sse.
19050         * config/i386/predicates.md (sse_comparison_operator): Likewise.
19051
19052 2005-01-18  Dorit Naishlos  <dorit@il.ibm.com>
19053
19054         * tree-inline.c (estimate_num_insns_1): Added cases for
19055         ALIGN_INDIRECT_REF, MISALIGNED_INDIRECT_REF, and REALIGN_LOAD_EXPR.
19056
19057 2005-01-18  Eric Botcazou  <ebotcazou@libertysurf.fr>
19058
19059         PR rtl-optimization/19296
19060         * combine.c (simplify_comparison): Rewrite the condition under
19061         which a non-paradoxical SUBREG of a PLUS can be lifted when
19062         compared against a constant.
19063
19064 2005-01-18  Andi Kleen <ak@muc.de>
19065
19066         * c-typeck.c: (convert_for_assignment): Check warn_pointer_sign.
19067         * c.opt (-Wpointer-sign): Add.
19068         * doc/invoke.texi: (-Wpointer-sign): Add.
19069
19070 2005-01-18  Uros Bizjak  <uros@kss-loka.si>
19071
19072         * config/i386/i386.c (override_options): Revert 2004-11-24 change.
19073         * config/i386/i386.md (fmodsf3, dremsf3, *sinsf2, *cossf2, sincossf3,
19074         *tansf3_1, tansf2, atan2sf3_1, atan2sf3, atansf2, asinsf2, acossf2,
19075         logsf2, log10sf2, log2sf2, log1psf2, logbsf2, ilogbsf2, expsf2,
19076         exp10sf2, exp2sf2, expm1sf2, rintsf2, floorsf2, ceilsf2, btruncsf2,
19077         nearbyintsf2): Disable for TARGET_SSE_MATH.  Leave patterns enabled
19078         for TARGET_MIX_SSE_I387.
19079         (fmoddf3, dremdf3, *sindf2, *sinextendsfdf2, *cosdf2, *cosextendsfdf2,
19080         sincosdf3, *sincosextendsfdf3, *tandf3_1, tandf2, atan2df3_1,
19081         atan2df3, atandf2, asindf2, acosdf2, logdf2, log10df2, log2df2,
19082         log1pdf2, logbdf2, expdf2, exp10df2, exp2df2, expm1df2, rintdf2,
19083         floordf2, ceildf2, btruncdf2, nearbyintdf2): Disable for
19084         (TARGET_SSE2 && TARGET_SSE_MATH).  Leave patterns enabled for
19085         TARGET_MIX_SSE_I387.
19086         (atan2sf3, atan2df3, atan2xf3): Remove register constraints
19087         from expander.
19088
19089 2005-01-18  Uros Bizjak  <uros@kss-loka.si>
19090
19091         PR target/19424
19092         * config/i386/mmx.md (*movv2sf_internal_rex64, *movv2sf_internal):
19093         Add movaps alternative for xmm reg->reg move.
19094
19095 2005-01-17  Jeff Law  <law@redhat.com>
19096
19097         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Clear SSA_NAME_VALUE
19098         at the end of the main DOM loop rather than just before DOM exits.
19099
19100 2005-01-17  Diego Novillo  <dnovillo@redhat.com>
19101
19102         PR tree-optimization/19121
19103         * tree-ssa-alias.c (compute_flow_sensitive_aliasing): When
19104         adding aliases to a name tag, also add them to the pointer's
19105         type tag.
19106         * tree-ssa-copy.c (merge_alias_info): Do not merge flow
19107         sensitive alias info at all.  Only check that the two pointers
19108         have compatible pointed-to sets.
19109         * tree-ssa.c (verify_name_tags): Verify that the alias set of
19110         a pointer's type tag is a superset of the alias set of the
19111         pointer's name tag.
19112
19113 2005-01-17  James E Wilson  <wilson@specifixinc.com>
19114
19115         PR target/19357
19116         * config/ia64/ia64.md (movxf): Handle general register source.  Adjust
19117         comment to document why.
19118
19119 2005-01-17  Richard Henderson  <rth@redhat.com>
19120
19121         * config/i386/sse.md (smaxv4sf3_finite, sse_vmsmaxv4sf3_finite,
19122         sminv4sf3_finite, sse_vmsminv4sf3_finite, smaxv2df3_finite,
19123         sse2_vmsmaxv2df3_finite, sminv2df3_finite,
19124         sse2_vmsminv2df3_finite): New.
19125         (smaxv4sf3, sse_vmsmaxv4sf3, sminv4sf3, sse_vmsminv4sf3, smaxv2df3,
19126         sse2_vmsmaxv2df3, sminv2df3, sse2_vmsminv2df3): Remove commutative.
19127         Force op1 into register.
19128
19129 2005-01-17  Kelley Cook  <kcook@gcc.gnu.org>
19130
19131         * Makefile.in (STAGEMOVESTUFF): Stage all the stamp files to prevent
19132         bubblestrap from always rebuilding build directory.
19133
19134 2005-01-17  Ulrich Weigand  <uweigand@de.ibm.com>
19135
19136         * config/s390/s390.md ("*clc"): Remove incorrect '='.
19137         ("*cmpmem_short"): Likewise.
19138
19139 2005-01-17  Steven Bosscher  <stevenb@suse.de>
19140
19141         * basic-block.h: Document BB_* flags.
19142         * regrename.c (copyprop_hardreg_forward): Don't use BB_VISITED,
19143         use an sbitmap instead.
19144         * sched-rgn.c (compute_trg_info): Likewise.
19145
19146 2005-01-17  Richard Sandiford  <rsandifo@redhat.com>
19147
19148         * config.gcc (mips64*-*-linux*): Set the default abi to n32.  Remove
19149         redundant target_cpu_default and extra_parts lines.  Use the default
19150         "from-abi" ISA.
19151         * config/mips/linux64.h (DRIVER_DEFAULT_ABI_SELF_SPEC): Delete.
19152         (SUBTARGET_EXTRA_SPECS): Delete.
19153         (DRIVER_SELF_SPECS): Remove architecture lines.  Set the ABI directly.
19154         (SUBTARGET_ASM_SPEC): Remove -mabi=n32 and -mabi=64 mappings.
19155         * config/mips/t-linux64 (MULTILIB_DIRNAMES): Use "32" for -mabi=32
19156         and "n32" for -mabi=n32.
19157
19158 2005-01-17  Ian Lance Taylor  <ian@airs.com>
19159
19160         PR c/5675
19161         * c-typeck.c (build_c_cast): Revert patch of 2003-02-16: don't
19162         fold constant variables into initial values.
19163
19164 2005-01-17  Kazu Hirata  <kazu@cs.umass.edu>
19165
19166         * tree-cfg.c (tree_can_merge_blocks_p): Reorder two checks.
19167
19168         * tree-cfg.c (tree_forwarder_block_p): Speed up by walking
19169         through the statements backward.
19170
19171 2005-01-17  Ian Lance Taylor  <ian@airs.com>
19172
19173         PR middle-end/13127:
19174         * tree-inline.c (expand_call_inline): Set TREE_NO_WARNING on
19175         a variable set to the return value of the inlined function.
19176
19177 2005-01-17  Mark Dettinger  <dettinge@de.ibm.com>
19178
19179         * rtlanal.c (rtx_cost): Assign cost of 0 to a SUBREG
19180         when modes are tieable.
19181
19182 2005-01-17  Ranjit Mathew  <rmathew@hotmail.com>
19183
19184         * gthr-posix.h (__gthread_active_p): Use pthread_cancel instead
19185         of pthread_create to find out if threads are enabled.
19186         * gthr-posix95.h (__gthread_active_p): Likewise.
19187
19188 2005-01-17  Paolo Bonzini  <bonzini@gnu.org>
19189
19190         * common.opt (-fnew-ra): Remove.
19191         * ra*.*: Remove.
19192         * toplev.h (flag_new_regalloc): Remove.
19193         * Makefile.in (ra*.*): Don't mention.
19194         * passes.c (rest_of_handle_new_regalloc): Remove.
19195         (rest_of_handle_combine, rest_of_compilation): Always consider
19196         flag_new_regalloc as false.
19197         * doc/invoke.texi: Don't document -fnew-ra.
19198
19199 2005-01-17  Paolo Bonzini <bonzini@gnu.org>
19200
19201         * bb-reorder.c (fix_edges_for_rarely_executed_code): Remove
19202         last parameter to reg_scan.
19203         * loop.c (loop_optimize): Likewise.
19204         * passes.c (rest_of_handle_tracer, rest_of_handle_if_conversion,
19205         rest_of_handle_web, rest_of_handle_cfg, rest_of_handle_jump_bypass,
19206         rest_of_handle_life, rest_of_handle_cse, rest_of_handle_cse2,
19207         rest_of_handle_gcse, rest_of_handle_loop_optimize,
19208         rest_of_handle_loop2, rest_of_handle_jump2): Likewise.
19209         * regclass.c (reg_scan): Likewise, for the declaration.
19210         * rtl.h (reg_scan): Likewise, for the prototype.
19211
19212 2005-01-17  Kazu Hirata  <kazu@cs.umass.edu>
19213
19214         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Don't call
19215         mark_dfs_back_edges.
19216
19217 2005-01-16  Daniel Berlin  <dberlin@dberlin.org>
19218
19219         * tree-ssa-pre.c (add_to_sets): s1 may be NULL.
19220         (compute_avail): Uses don't go in tmp_gen.
19221
19222 2005-01-16  Steven Bosscher  <stevenb@suse.de>
19223
19224         * ggc-page.c (ggc_alloc_stat): Use __builtin_ctzl instead of a
19225         loop to look for a free slot in a page entry.
19226
19227 2005-01-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
19228
19229         PR target/16304
19230         * defaults.h (TARGET_DEFERRED_OUTPUT_DEFS): Provide default.
19231         * toplev.c (compile_file): Call process_pending_assemble_output_defs
19232         just before targetm.asm_out.file_end.
19233         * tree.h (process_pending_assemble_output_defs): Declare.
19234         * varasm.c (assemble_output_def, process_pending_assemble_output_defs):
19235         New functions.
19236         (assemble_alias): Defer generation of assembly code for defines when
19237         TARGET_DEFERRED_OUTPUT_DEFS is true.
19238         * config/rs6000/aix41.h (TARGET_DEFERRED_OUTPUT_DEFS): Define.
19239         * config/rs6000/aix43.h (TARGET_DEFERRED_OUTPUT_DEFS): Define.
19240         * doc/tm.texi (TARGET_DEFERRED_OUTPUT_DEFS): document.
19241
19242 2005-01-15  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
19243
19244         PR target/19336
19245         * pa.c (pa_scalar_mode_supported_p): New function.
19246         (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
19247         * pa.h (MIN_UNITS_PER_WORD): Add comment.
19248
19249         * pa-protos.h (prefetch_operand): Delete.
19250         (prefetch_cc_operand, prefetch_nocc_operand): New declations.
19251         * pa.c (prefetch_operand): Delete.
19252         (prefetch_cc_operand, prefetch_nocc_operand): New functions.
19253         * pa.h (EXTRA_CONSTRAINT): Add `W' constraint.
19254         (PREDICATE_CODES): Delete prefetch_operand.  Add prefetch_cc_operand
19255         and prefetch_nocc_operand.
19256         * pa.md (prefetch): Rework to avoid reload problems handling short
19257         displacements when a cache control completer needs to be provided.
19258         (prefetch_32, prefetch_64): Delete.
19259         (prefetch_cc, prefetch_nocc): New patterns.
19260
19261 2005-01-15  David Edelsohn  <edelsohn@gnu.org>
19262
19263         * config/rs6000/aix52.h (CPLUSPLUS_CPP_SPEC): Revert previous change.
19264
19265 2005-01-15  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
19266
19267         PR ada/19388
19268         * pa.c (pa_asm_output_aligned_common): Warn if specified alignment
19269         exceeds maximum alignment for global common data.
19270         * pa64-hpux.h (MAX_OFILE_ALIGNMENT): Define to 32768.
19271         * som.h (MAX_OFILE_ALIGNMENT): Likewise.
19272
19273 2004-01-15  Roger Sayle  <roger@eyesopen.com>
19274
19275         * tree-ssa-dom.c (extract_range_from_cond): Correct condition.
19276
19277 2004-01-15  Roger Sayle  <roger@eyesopen.com>
19278
19279         * harg-reg-set.h (reg_class_names): Prototype global array.
19280         * regclass.c (reg_class_names): Declare here and initialize to
19281         REG_CLASS_NAMES.
19282         (dump_regclass): Remove local declaration of reg_class_names.
19283         (regclass): Likewise.
19284         * cfg.c (dump_flow_info): Likewise.
19285         * ra-debug.c (reg_class_names): Likewise.
19286         * regrename.c (reg_class_names): Likewise.
19287         * reload.c (reg_class_names): Likewise.
19288         * reload1.c (spill_failure): Likewise.
19289         * config/m68hc11/m68hc11.c (reg_class_names): Likewise.
19290
19291 2005-01-15  Ulrich Weigand  <uweigand@de.ibm.com>
19292
19293         * config/s390/s390.md ("reload_outti"): Remove predicate for
19294         output operand.  Abort if operand is not a MEM.
19295         ("reload_outdi", "reload_outdf"): Likewise.
19296
19297 2005-01-15  Marc Espie  <espie@openbsd.org>
19298
19299         * config.gcc (*-*-openbsd*): Set HAS_LIBC_R for OpenBSD <= 3.2.
19300         (i[34567]86-*-openbsd*): Switch to ELF for OpenBSD >= 3.4.
19301         * config/openbsd.h:  Fix C++ includes for native configurations.
19302         Add proper OS_CPP_BUILTINS.  Fix libspec for recent OpenBSD.
19303         Add trampoline support.
19304         * config/i386/openbsdelf.h: New.
19305
19306 2005-01-15  Marc Espie  <espie@openbsd.org>
19307
19308         * collect2.c (main): Explicitly parse -dynamic-linker option.
19309
19310 2005-01-15  Jakub Jelinek  <jakub@redhat.com>
19311
19312         PR tree-optimization/19060
19313         * tree-ssa-dom.c (extract_range_from_cond) <case LT_EXPR, GT_EXPR>:
19314         Return 0 if op1 <= TYPE_MIN_VALUE () resp. op1 >= TYPE_MAX_VALUE ().
19315         (simplify_cond_and_lookup_avail_expr): Add assert for dummy == 0
19316         and handle extract_range_from_cond returning false.
19317         * fold-const.c (fold): Optimize comparisons with min/max even for
19318         width > HOST_BITS_PER_WIDE_INT.
19319
19320 2005-01-15  Ralf Corsepius  <ralf.corsepius@rtems.org>
19321
19322         * config/mips/rtems.h (MIPS_DEFAULT_GVALUE): Set to 0.
19323         * config/mips/t-rtems (MULTILIBS_DIRNAMES,MULTILIB_OPTIONS):
19324         Remove little endian multilib variants.
19325         Add mips32 multilib variant.
19326
19327 2005-01-15  Kazu Hirata  <kazu@cs.umass.edu>
19328
19329         * explow.c (copy_all_reg, stabilize): Remove.
19330         * expr.h: Remove the corresponding prototypes.
19331
19332         * rtlanal.c (regs_set_between_p): Remove.
19333         * rtl.h: Remove the corresponding prototype.
19334
19335 2005-01-14  David Edelsohn  <edelsohn@gnu.org>
19336
19337         * config/rs6000/rs6000.c (rs6k_nonimmediate_operand): Rename
19338         to rs6000_nonimmediate_operand.
19339         * config/rs6000/rs6000.h (PREDICATE_CODES): Rename
19340         rs6k_nonimmediate_operand to rs6000_nonimmediate_operand.
19341         * config/rs6000/rs6000.md (movsi_internal1): Rename predicate to
19342         rs6000_nonimmediate_operand.
19343         * config/rs6000/spe.md (movdf_e500_double): Rename predicate to
19344         rs6000_nonimmediate_operand.
19345
19346 2005-01-14  Andrew Pinski  <pinskia@physics.uc.edu>
19347
19348         * tree-ssa-alias.c (pass_may_alias): Add TODO_verify_stmts.
19349
19350 2005-01-14  Aldy Hernandez  <aldyh@redhat.com>
19351
19352         * config/rs6000/rs6000.h (CLASS_MAX_NREGS): DF goes in 1 register
19353         on e500v2.
19354         (CANNOT_CHANGE_MODE_CLASS): Restrict DI mode changes on e500v2.
19355         (PREDICATE_CODES): Add rs6k_nonimmediate_operand.
19356
19357         * config/rs6000/rs6000.c (invalid_e500_subreg): New.
19358         (rs6k_nonimmediate_operand): New.
19359         (rs6000_legitimate_offset_address_p): Handle DI modes on e500v2
19360         correctly.
19361         (legitimate_lo_sum_address_p): Same.
19362         (rs6000_legitimize_address): Same.
19363         (rs6000_legitimize_reload_address): Same.
19364         (rs6000_legitimate_address): Same.
19365         (spe_build_register_parallel): Pass DF and DC modes in a DI
19366         register.
19367
19368         * config/rs6000/rs6000.md ("*movsi_internal1"): Change predicate
19369         to rs6k_nonimmediate_operand.
19370
19371         * config/rs6000/spe.md ("*frob_df_di"): New.
19372         ("*frob_di_df"): New.
19373         ("*frob_di_df_2"): New.
19374         ("*mov_sidf_e500_subreg0"): New.
19375         ("*mov_sidf_e500_subreg4"): New.
19376         ("*movdf_e500_double"): Change predicate to
19377         rs6k_nonimmediate_operand.
19378
19379 2005-01-14  Aldy Hernandez  <aldyh@redhat.com>
19380
19381         * postreload.c (move2add_note_store): Only call
19382         trunc_int_for_mode on scalar integers.
19383
19384 2005-01-14  Steven Bosscher  <stevenb@suse.de>
19385
19386         * tree-ssa-dce.c (visited_control_parents): New sbitmap to
19387         replace BB_VISITED uses.
19388         (find_obviously_necessary_stmts): Don't clear BB_VISITED.
19389         (propagate_necessity): Check the bitmap instead of BB_VISITED.
19390         (tree_dce_done): Free visited_control_parents.
19391         (perform_tree_ssa_dce): Allocate and clear it.
19392         * tree-ssa-pre.c (compute_antic_aux): Make non-recursive.
19393         (compute_antic): Iterate from here using a DFS.  Use an sbitmap
19394         instead of BB_VISITED.
19395
19396 2005-01-14  Kazu Hirata  <kazu@cs.umass.edu>
19397
19398         * c-tree.h, coverage.h, langhooks-def.h, optabs.h, output.h,
19399         rtl.h, targhooks.h, tree-flow.h, tree-mudflap.h, tree.h:
19400         Remove unused prototypes.
19401
19402 2005-01-14  Aldy Hernandez  <aldyh@redhat.com>
19403
19404         * config/rs6000/rs6000.c (rs6000_stack_info): Fix caching of SPE
19405         64-bit register usage.
19406         (spe_func_has_64bit_regs_p): Add FIXME note.
19407
19408 2005-01-14  Aldy Hernandez  <aldyh@redhat.com>
19409
19410         * config/rs6000/rs6000.c (rs6000_generate_compare): Replace
19411         flag_finite_math_only with flag_unsafe_math_optimizations.
19412
19413 2005-01-14  J. D. Johnston  <jjohnst@us.ibm.com>
19414
19415         * config/s390/tpf-unwind.h (s390_fallback_frame_state): Correct
19416         end-of-stack check.
19417         (__tpf_eh_return): Copy TPF private stack area from the module
19418         boundary stack frame.  Add check for when module addresses are
19419         equal, but no stub address is found.
19420
19421 2005-01-14  Richard Earnshaw  <rearnsha@arm.com>
19422
19423         PR target/7525
19424         * arm.h (struct machine_function): Add call_via field.
19425         (thumb_call_via_label): Declare.
19426         * arm.c (thumb_call_via_label): New variable.
19427         (thumb_call_reg_needed): New variable.
19428         (arm_output_function_epilogue): For Thumb code, output any per-function
19429         call-indirect trampolines.
19430         (thumb_call_via_reg): New function.
19431         (arm_file_end): New function.
19432         (TARGET_ASM_FILE_END): Call arm_file_end.
19433         (aof_file_end): Likewise.
19434         * arm-protos.h (thumb_call_via_reg): Declare.
19435         * arm.md (call_reg_thumb, call_value_reg_thumb): Call
19436         thumb_call_via_reg in normal case.
19437
19438 2005-01-14  Jakub Jelinek  <jakub@redhat.com>
19439
19440         PR middle-end/19084
19441         PR rtl-optimization/19348
19442         * recog.c (peephole2_optimize): Do global life update if some peephole
19443         decides it doesn't need at least one of its inputs and that change
19444         influences liveness at the start of the basic block.
19445
19446         * basic-block.h (EXECUTE_IF_AND_COMPL_IN_REG_SET): Needs 2 REGSET
19447         arguments instead of 1.
19448
19449 2005-01-14  Eric Botcazou  <ebotcazou@libertysurf.fr>
19450
19451         PR middle-end/18820
19452         * varasm.c (initializer_constant_valid_p) <ADDR_EXPR>: Return
19453         zero for nested functions needing a static chain or functions
19454         with a non-constant address.
19455
19456 2005-01-13  Roger Sayle  <roger@eyesopen.com>
19457
19458         * simplify-rtx.c (simplify_binary_operation) <AND>: Optimize
19459         (and (sign_extend X) C) into (zero_extend (and X C)).
19460
19461 2005-01-13  David O'Brien  <obrien@FreeBSD.org>
19462
19463         * config/freebsd-spec.h:  Make KSE pthread lib logic the default.
19464
19465 2005-01-13  Richard Henderson  <rth@redhat.com>
19466
19467         PR target/19009
19468         PR target/19250
19469         PR target/19252
19470         * config/i386/i386.md (cmpdf, cmpsf, bunordered, bordered, buneq,
19471         bunge, bungt, bunle, bunlt, bltgt): Enable for TARGET_SSE_MATH,
19472         not just TARGET_SSE.
19473         (cmpfp_i_387): Rename from cmpfp_i.  Move after sse patterns.
19474         (cmpfp_i_mixed): Rename from cmpfp_i_sse; use for TARGET_MIX_SSE_I387.
19475         (cmpfp_i_sse): Rename from cmpfp_i_sse_only; use for TARGET_SSE_MATH.
19476         (cmpfp_iu_mixed, cmpfp_iu_sse, cmpfp_iu_387): Similarly.
19477         (fp_jcc_1_mixed, fp_jcc_1_sse, fp_jcc_1_387): Similarly.
19478         (fp_jcc_2_mixed, fp_jcc_2_sse, fp_jcc_2_387): Similarly.
19479         (fp_jcc_3_387, fp_jcc_4_387, fp_jcc_5_387, fp_jcc_6_387,
19480         fp_jcc_7_387, fp_jcc_8_387): Rename from fp_jcc_N.
19481         (movdicc_c_rex64): Rename with '*'.
19482         (movsfcc, movdfcc): Add checks for 387 and sse math to condition.
19483         (movsfcc_1_sse_min, movsfcc_1_sse_max, movsfcc_1_sse): New.
19484         (movsfcc_1_387): Rename from movsfcc_1.
19485         (movdfcc_1_sse_min, movdfcc_1_sse_max, movdfcc_1_sse): New.
19486         (movdfcc_1, movdfcc_1_rex64): Add check for 387.
19487         (sminsf3, smaxsf3, smindf3, smaxdf3): New.
19488         (minsf3, minsf, minsf_nonieee, minsf_sse, mindf3, mindf,
19489         mindf_nonieee, mindf_sse, maxsf3, maxsf, maxsf_nonieee, maxsf_sse,
19490         maxdf3, maxdf, maxdf_nonieee, maxdf_sse, sse_movsfcc, sse_movsfcc_eq,
19491         sse_movdfcc, sse_movdfcc_eq, sse_movsfcc_const0_1,
19492         sse_movsfcc_const0_2, sse_movsfcc_const0_3, sse_movsfcc_const0_4,
19493         sse_movdfcc_const0_1, sse_movdfcc_const0_2, sse_movdfcc_const0_3,
19494         sse_movdfcc_const0_4): Remove.
19495         * config/i386/i386.c (ix86_expand_fp_movcc): For TARGET_SSE_MATH,
19496         recognize min/max early.  Update for changed sse cmove patterns.
19497         (ix86_split_sse_movcc): New.
19498         * config/i386/i386-protos.h: Update.
19499
19500 2005-01-13  Steven Bosscher  <stevenb@suse.de>
19501
19502         * tree-ssa-dse.c (fix_phi_uses): Use SSA operand iterators.
19503         (fix_stmt_v_may_defs): Likewise.
19504
19505 2005-01-13  Richard Henderson  <rth@redhat.com>
19506
19507         * config/i386/i386.c (ix86_expand_fp_absneg_operator): Use elt_mode
19508         for converting the mask.
19509
19510 2005-01-13  David Edelsohn  <edelsohn@gnu.org>
19511
19512         * config/rs6000/aix52.h (CPLUSPLUS_CPP_SPEC): Change _XOPEN_SOURCE
19513         definition to 600.
19514
19515 2005-01-13  Richard Henderson  <rth@redhat.com>
19516
19517         * config/i386/i386.c (IX86_BUILTIN_MOVQ, IX86_BUILTIN_LOADD,
19518         IX86_BUILTIN_STORED, IX86_BUILTIN_MOVQ2DQ,
19519         IX86_BUILTIN_MOVDQ2Q): Remove.
19520         (IX86_BUILTIN_VEC_EXT_V4SI): New.
19521         (ix86_init_mmx_sse_builtins, ix86_expand_builtin): Update to match.
19522         (ix86_expand_vector_extract): For V4S[FI], extract element 0 after
19523         shuffling.
19524         * config/i386/sse.md (sse_concatv2sf): Accept zero operand 2.
19525         (sse2_pextrw): Fix immediate constraint.
19526         (sse2_loadq, sse2_loadq_rex64): Remove.
19527         * config/i386/emmintrin.h (_mm_cvtsi128_si32, _mm_cvtsi128_si64x):
19528         Use __builtin_ia32_vec_ext_<size>.
19529         (_mm_cvtsi32_si128, _mm_cvtsi64x_si128): Use _mm_set_epi<size>.
19530
19531 2005-01-13  Aldy Hernandez  <aldyh@redhat.com>
19532
19533         * function.c (assign_parm_setup_block): Look inside original
19534         entry_parm when inspecting PARALLEL.
19535
19536 2005-01-13  Ralf Corsepius  <ralf.corsepius@rtems.org>
19537             Joel Sherrill  <joel@oarcorp.com>
19538
19539         PR target/19399
19540         * gthr-rtems.h (__gthread_recursive_mutex_t): New type.
19541         (__GTHREAD_RECURSIVE_MUTEX_INIT_FUNCTION): Define to
19542         rtems_gxx_recursive_mutex_init.
19543         (__gthread_recursive_mutex_lock): New function.
19544         (__gthread_recursive_mutex_trylock): Likewise.
19545         (__gthread_recursive_mutex_unlock): Likewise.
19546
19547 2005-01-13  Ralf Corsepius <ralf.corsepius@rtems.org>
19548
19549         * config/i386/t-rtems-i386: Multilib on -mtune instead of -mcpu.
19550
19551 2005-01-13  Jan Beulich  <jbeulich@novell.com>
19552
19553         * config/ia64/ia64.md (ashlti3, ashlti3_internal): New.
19554         (ashrti3_internal): Indicate output is early clobber. Generate result
19555         into output rather than first input. Use move for low word of output
19556         if shift count is exactly 64.
19557         (lshrti3_internal): Likewise.
19558
19559 2005-01-13  Hans-Peter Nilsson  <hp@bitrange.com>
19560
19561         PR target/18329
19562         PR target/18330
19563         * reload1.c (delete_output_reload): Don't delete an output reload
19564         if the pseudo lives longer than a single basic block.  Adjust and
19565         improve wording of comment.
19566
19567 2005-01-12  Andrew Pinski  <pinskia@physics.uc.edu>
19568
19569         PR target/19334
19570         * config/darwin.c (machopic_select_section): Use TYPE_SIZE_UNIT instead
19571         of TYPE_SIZE where we mean the number of bytes.
19572
19573 2005-01-12  Aldy Hernandez  <aldyh@redhat.com>
19574
19575         * function.c (assign_parm_setup_block): Relax condition on
19576         multi-register optimization.
19577
19578 2005-01-12  Nick Clifton  <nickc@redhat.com>
19579
19580         * config/sh/sh.md (udivsi3_sh2a, divsi3_sh2a): Give these patterns
19581         an "in_delay_slot" attribute of "no" to prevent them being used in
19582         delay slots.  This is forbidden because they might generate
19583         exceptions.
19584
19585 2005-01-12  Alan Modra  <amodra@bigpond.net.au>
19586
19587         PR target/19389
19588         * config/rs6000/rs6000.md (movtf_internal): Replace r->o and m->r
19589         with r->Y and Y->r.
19590
19591 2005-01-12  Nick Clifton  <nickc@redhat.com>
19592
19593         * config/iq2000/iq2000.h (ASM_SPEC): Undefine (to stop -Qy being
19594         passed on to GAS) but do not define, as GAS no longer supports or
19595         needs the -m2000 option.
19596
19597 2005-01-11  Roger Sayle  <roger@eyesopen.com>
19598
19599         * builtins.c (fold_builtin_fabs): Convert argument to the appropriate
19600         type as args of unprototyped builtins aren't automatically promoted.
19601         (fold_builtin_abs): Likewise.
19602
19603 2005-01-11  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
19604
19605         * Makefile.in: Set a `build-warn' variable.
19606
19607 2005-01-11  Zdenek Dvorak  <dvorakz@suse.cz>
19608
19609         PR tree-optimization/17949
19610         * tree-ssa-loop-ivopts.c (may_be_unaligned_p): New function.
19611         (find_interesting_uses_address): Use it.
19612
19613 2005-01-11  Aldy Hernandez  <aldyh@redhat.com>
19614
19615         * regrename.c (kill_value): Handle subreg's that won't simplify.
19616
19617 2005-01-11  Richard Henderson  <rth@redhat.com>
19618
19619         PR target/13366
19620         * config/i386/i386.h (enum ix86_builtins): Move ...
19621         * config/i386/i386.c: ... here.
19622         (IX86_BUILTIN_MOVDDUP, IX86_BUILTIN_MMX_ZERO, IX86_BUILTIN_PEXTRW,
19623         IX86_BUILTIN_PINSRW, IX86_BUILTIN_LOADAPS, IX86_BUILTIN_LOADSS,
19624         IX86_BUILTIN_STORESS, IX86_BUILTIN_SSE_ZERO, IX86_BUILTIN_PEXTRW128,
19625         IX86_BUILTIN_PINSRW128, IX86_BUILTIN_LOADAPD, IX86_BUILTIN_LOADSD,
19626         IX86_BUILTIN_STOREAPD, IX86_BUILTIN_STORESD,  IX86_BUILTIN_STOREHPD,
19627         IX86_BUILTIN_STORELPD, IX86_BUILTIN_SETPD1, IX86_BUILTIN_SETPD,
19628         IX86_BUILTIN_CLRPD, IX86_BUILTIN_LOADPD1, IX86_BUILTIN_LOADRPD,
19629         IX86_BUILTIN_STOREPD1, IX86_BUILTIN_STORERPD, IX86_BUILTIN_LOADDQA,
19630         IX86_BUILTIN_STOREDQA, IX86_BUILTIN_CLRTI,
19631         IX86_BUILTIN_LOADDDUP): Remove.
19632         (IX86_BUILTIN_VEC_INIT_V2SI, IX86_BUILTIN_VEC_INIT_V4HI,
19633         IX86_BUILTIN_VEC_INIT_V8QI, IX86_BUILTIN_VEC_EXT_V2DF,
19634         IX86_BUILTIN_VEC_EXT_V2DI, IX86_BUILTIN_VEC_EXT_V4SF,
19635         IX86_BUILTIN_VEC_EXT_V8HI, IX86_BUILTIN_VEC_EXT_V4HI,
19636         IX86_BUILTIN_VEC_SET_V8HI, IX86_BUILTIN_VEC_SET_V4HI): New.
19637         (ix86_init_builtins): Make static.
19638         (ix86_init_mmx_sse_builtins): Update for changed builtins.
19639         (ix86_expand_binop_builtin): Only use ix86_fixup_binary_operands
19640         if all the modes match.  Otherwise, fake it.
19641         (get_element_number, ix86_expand_vec_init_builtin,
19642         ix86_expand_vec_ext_builtin, ix86_expand_vec_set_builtin): New.
19643         (ix86_expand_builtin): Make static.  Update for changed builtins.
19644         (ix86_expand_vector_move_misalign): Use sse2_loadlpd with zero
19645         operand instead of sse2_loadsd.  Cast sse1 fallback to V4SFmode.
19646         (ix86_expand_vector_init_duplicate): New.
19647         (ix86_expand_vector_init_low_nonzero): New.
19648         (ix86_expand_vector_init_one_var, ix86_expand_vector_init_general):
19649         Split out from ix86_expand_vector_init; handle integer modes.
19650         (ix86_expand_vector_init): Use them.
19651         (ix86_expand_vector_set, ix86_expand_vector_extract): New.
19652         * config/i386/i386-protos.h: Update.
19653         * config/i386/predicates.md (reg_or_0_operand): New.
19654         * config/i386/mmx.md (mov<MMXMODEI>_internal): Add 'r' variants.
19655         (movv2sf_internal): Likewise.  And a splitter to match them all.
19656         (vec_dupv2sf, mmx_concatv2sf, vec_setv2sf, vec_extractv2sf,
19657         vec_initv2sf, vec_dupv4hi, vec_dupv2si, mmx_concatv2si, vec_setv2si,
19658         vec_extractv2si, vec_initv2si, vec_setv4hi, vec_extractv4hi,
19659         vec_initv4hi, vec_setv8qi, vec_extractv8qi, vec_initv8qi): New.
19660         (mmx_pinsrw): Fix operand ordering.
19661         * config/i386/sse.md (movv4sf splitter): Use direct pattern,
19662         rather than sse_loadss expander.
19663         (movv2df splitter): Similarly.
19664         (sse_loadss, sse_loadlss): Remove.
19665         (vec_dupv4sf, sse_concatv2sf, sse_concatv4sf, vec_extractv4sf_0): New.
19666         (vec_setv4sf, vec_setv2df): Use ix86_expand_vector_set.
19667         (vec_extractv4sf, vec_extractv2df): Use ix86_expand_vector_extract.
19668         (sse3_movddup): Rename with '*'.
19669         (sse3_movddup splitter): Use gen_rtx_REG instead of gen_lowpart.
19670         (sse2_loadsd): Remove.
19671         (vec_dupv2df_sse3): Rename from sse3_loadddup.
19672         (vec_dupv2df, vec_concatv2df_sse3, vec_concatv2df): New.
19673         (sse2_pinsrw): Fix argument ordering.
19674         (sse2_loadld, sse2_loadq): Add sse1 alternatives.
19675         (sse2_stored): Remove 'r' destination.
19676         (vec_dupv4si, vec_dupv2di, sse2_concatv2si, sse1_concatv2si,
19677         vec_concatv4si_1, vec_concatv2di, vec_setv2di, vec_extractv2di,
19678         vec_initv2di, vec_setv4si, vec_extractv4si, vec_initv4si,
19679         vec_setv8hi, vec_extractv8hi, vec_initv8hi, vec_setv16qi,
19680         vec_extractv16qi, vec_initv16qi): New.
19681
19682         * config/i386/emmintrin.h (__m128i, __m128d): Use typedef, not define.
19683         (_mm_set_sd, _mm_set1_pd, _mm_setzero_pd, _mm_set_epi64x,
19684         _mm_set_epi32, _mm_set_epi16, _mm_set_epi8, _mm_setzero_si128): Use
19685         constructor form.
19686         (_mm_load_pd, _mm_store_pd): Use plain dereference.
19687         (_mm_load_si128, _mm_store_si128): Likewise.
19688         (_mm_load1_pd): Use _mm_set1_pd.
19689         (_mm_load_sd): Use _mm_set_sd.
19690         (_mm_store_sd, _mm_storeh_pd): Use __builtin_ia32_vec_ext_v2df.
19691         (_mm_store1_pd, _mm_storer_pd): Use _mm_store_pd.
19692         (_mm_set_epi64): Use _mm_set_epi64x.
19693         (_mm_set1_epi64x, _mm_set1_epi64, _mm_set1_epi32, _mm_set_epi16,
19694         _mm_set1_epi8, _mm_setr_epi64, _mm_setr_epi32, _mm_setr_epi16,
19695         _mm_setr_epi8): Use _mm_set_foo form.
19696         (_mm_loadl_epi64, _mm_movpi64_epi64, _mm_move_epi64): Use _mm_set_epi64.
19697         (_mm_storel_epi64, _mm_movepi64_pi64): Use __builtin_ia32_vec_ext_v2di.
19698         (_mm_extract_epi16): Use __builtin_ia32_vec_ext_v8hi.
19699         (_mm_insert_epi16): Use __builtin_ia32_vec_set_v8hi.
19700         * config/i386/mmintrin.h (_mm_setzero_si64): Use plain cast.
19701         (_mm_set_pi32): Use __builtin_ia32_vec_init_v2si.
19702         (_mm_set_pi16): Use __builtin_ia32_vec_init_v4hi.
19703         (_mm_set_pi8): Use __builtin_ia32_vec_init_v8qi.
19704         (_mm_set1_pi16, _mm_set1_pi8): Use _mm_set_piN variant.
19705         * config/i386/pmmintrin.h (_mm_loaddup_pd): Use _mm_load1_pd.
19706         (_mm_movedup_pd): Use _mm_shuffle_pd.
19707         * config/i386/xmmintrin.h (_mm_setzero_ps, _mm_set_ss,
19708         _mm_set1_ps, _mm_set_ps, _mm_setr_ps): Use constructor form.
19709         (_mm_cvtpi16_ps, _mm_cvtpu16_ps, _mm_cvtpi8_ps, _mm_cvtpu8_ps,
19710         _mm_cvtps_pi8, _mm_cvtpi32x2_ps): Avoid __builtin_ia32_mmx_zero;
19711         Use _mm_setzero_ps.
19712         (_mm_load_ss, _mm_load1_ps): Use _mm_set* form.
19713         (_mm_load_ps, _mm_loadr_ps): Use raw dereference.
19714         (_mm_store_ss): Use __builtin_ia32_vec_ext_v4sf.
19715         (_mm_store_ps): Use raw dereference.
19716         (_mm_store1_ps): Use _mm_storeu_ps.
19717         (_mm_storer_ps): Use _mm_store_ps.
19718         (_mm_extract_pi16): Use __builtin_ia32_vec_ext_v4hi.
19719         (_mm_insert_pi16): Use __builtin_ia32_vec_set_v4hi.
19720
19721 2005-01-11  Stan Shebs  <shebs@apple.com>
19722
19723         * config/rs6000/rs6000.c (machopic_output_stub): Issue
19724         ldu instead of lwzu if 64-bit -mdynamic-no-pic.
19725
19726 2005-01-11  Andrew Pinski  <pinskia@physics.uc.edu>
19727
19728         PR target/18761
19729         * config/rs6000/rs6000.c (rs6000_special_round_type_align):
19730         Skip all DECLs except for FIELD_DECLs.
19731
19732 2005-01-11  Andreas Krebbel  <krebbel1@de.ibm.com>
19733
19734         * config/s390/s390.c (override_options): Return error if
19735         -mbackchain, -mpacked-stack and -mhard-float are used together.
19736         (s390_va_start): Remove the backchain && packed-stack special case.
19737         (s390_gimplify_va_arg): Likewise.
19738         * doc/invoke.texi: Remove the ABI incompatibility note.
19739
19740 2005-01-11  Andreas Krebbel  <krebbel1@de.ibm.com>
19741
19742         * config/s390/s390.c (struct s390_frame_layout): Remove
19743         save_backchain_p.
19744         (s390_frame_info, s390_emit_prologue): Replace occurrences of
19745         save_backchain_p with TARGET_BACKCHAIN.
19746
19747 2005-01-11  Alan Modra  <amodra@bigpond.net.au>
19748
19749         PR target/18916
19750         * builtins.c (std_gimplify_va_arg_expr): Adjust alignment of *ap.
19751         * expr.h (struct locate_and_pad_arg_data): Add "boundary".
19752         * function.c (locate_and_pad_parm): Set new field.
19753         (assign_parm_find_stack_rtl): Use it instead of FUNCTION_ARG_BOUNDARY.
19754         Tweak where_pad test to include "none".  Always set mem align for
19755         stack_parm.
19756         (assign_parm_adjust_stack_rtl): Discard stack_parm if alignment
19757         not sufficient for type.
19758         (assign_parm_setup_block): If stack_parm is zero on entry, always
19759         make a new stack local.  Block move old stack parm if necessary
19760         to new aligned stack local.
19761         (assign_parm_setup_stack): Use a block move to handle
19762         potentially misaligned entry_parm.
19763         (assign_parms_unsplit_complex): Specify required alignment when
19764         creating stack local.
19765         * calls.c (compute_argument_addresses): Override alignment of stack
19766         arg calculated from its type with the alignment given by
19767         FUNCTION_ARG_BOUNDARY.
19768         (store_one_arg): Likewise.
19769
19770 2005-01-11  Jan Beulich  <jbeulich@novell.com>
19771
19772         * config/ia64/ia64.md (zero_extendsidi2): Replace zxt4 by addp4.
19773         Change respective itanium_class attribute to ialu.
19774         (shladdp4_internal): New.
19775         * config/ia64/predicates.md (shladd_log2_operand): New.
19776
19777 2005-01-11  Richard Henderson  <rth@redhat.com>
19778
19779         * expr.c (store_constructor): Use rtvec_alloc instead of
19780         alloca+gen_rtvec_v, and an incorrect number passed to alloca.
19781
19782 2005-01-11  Kazu Hirata  <kazu@cs.umass.edu>
19783
19784         * config/alpha/alpha.c, config/i386/mmx.md: Fix comment typos.
19785
19786 2005-01-11  Alan Modra  <amodra@bigpond.net.au>
19787
19788         * varasm.c (default_section_type_flags_1): Don't set SECTION_SMALL.
19789         * config/ia64/ia64.c (TARGET_SECTION_TYPE_FLAGS): Define.
19790         (TARGET_RWRELOC): Define.
19791         (ia64_rwreloc_section_type_flags): Delete.
19792         (ia64_section_type_flags): New function.
19793         * config/ia64/hpux.h (TARGET_SECTION_TYPE_FLAGS): Don't define.
19794         (TARGET_RWRELOC): Define.
19795
19796 2005-01-10  David Mosberger  <davidm@hpl.hp.com>
19797
19798         PR target/18987
19799         * config/ia64/ia64.c (process_set): For alloc insn, only call
19800         process_epilogue is !frame_pointer_needed.
19801
19802 2005-01-10  Roger Sayle  <roger@eyesopen.com>
19803
19804         PR c++/19355
19805         * c-common.c (c_common_truthvalue_conversion): TRUTH_NOT_EXPR is a
19806         unary operator and can't be treated as a binary/comparison operator.
19807
19808 2005-01-10  Richard Henderson  <rth@redhat.com>
19809
19810         * config/i386/i386.c (ix86_function_value): Use type_natural_mode.
19811         (ix86_return_in_memory): Likewise.
19812         (function_arg_advance):  Likewise.  Mirror structure in function_arg
19813         for choosing register to advance.
19814
19815 2005-01-10  Kazu Hirata  <kazu@cs.umass.edu>
19816
19817         * tree-vectorizer.c, tree.def: Fix comment typos.
19818
19819 2005-01-10  Mark Dettinger  <dettinge@de.ibm.com>
19820
19821         * config/s390/s390.c (struct processor_costs): 4 new fields:
19822         ddbr, ddr, debr, der.
19823         (s390_rtx_costs): More precise handling of divide instructions.
19824
19825 2005-01-10  David Edelsohn  <edelsohn@gnu.org>
19826
19827         * config/rs6000/t-aix43 (BOOT_LDFLAGS): Define.
19828
19829 2005-01-10  Jan Beulich  <jbeulich@novell.com>
19830
19831         * config/ia64/ia64.c (ia64_in_small_data_p): Also handle the section
19832         names resulting from -ffunction-sections/-fdata-sections and linkonce
19833         ones.
19834         * varasm.c (default_section_type_flags_1): Also set SECTION_SMALL
19835         based on the section name. Rearrange the section name comparison logic
19836         slightly so that each section name is compared against at most once.
19837
19838 2005-01-10  Ben Elliston  <bje@au.ibm.com>
19839
19840         * doc/invoke.texi (Code Gen Options): Add PowerPC to the list of
19841         targets for which -fPIC reduces limitations on the GOT size.
19842
19843 2005-01-09  Falk Hueffner  <falk@debian.org>
19844
19845         * fold-const.c (fold): Also handle EXACT_DIV_EXPR when folding
19846         X/C1 cmpop C2.
19847
19848 2005-01-09  David Edelsohn  <edelsohn@gnu.org>
19849
19850         PR target/18720
19851         * collect2.c (main): Set aixrtl_flag for -brtl option.
19852         (resolve_lib_name): Search for .so file extension before .a
19853         if aixrtl_flag set.
19854
19855 2005-01-09  Dorit Naishlos  <dorit@il.ibm.com>
19856
19857         * tree-vectorizer.c (vect_enhance_data_refs_alignment): Add dump prints.
19858         (vect_analyze_data_refs_alignment): Add dump prints.
19859
19860 2005-01-09  Ira Rosen  <irar@il.ibm.com>
19861
19862         * tree-vectorizer.c (vect_analyze_offset_expr): Use
19863         expr_invariant_in_loop_p.
19864         Initialize outputs first thing in the function.
19865         (vect_update_ivs_after_vectorizer): Call initial_condition_in_loop_num.
19866         (vect_is_simple_iv_evolution): Call initial_condition_in_loop_num.
19867         (vect_analyze_pointer_ref_access): Check that the initial condition of
19868         the access function is loop invariant.
19869
19870 2005-01-09  Richard Henderson  <rth@redhat.com>
19871
19872         * config/i386/i386.c (bdesc_2arg): Update names for mmx_ prefixes.
19873         (ix86_expand_builtin): Likewise.  Frob MASKMOVQ wrt the input mem
19874         just like MASKMOVDQU.  Return plain zero for MMX_ZERO.
19875         * config/i386/i386.md (MMXMODEI, mov<MMXMODEI>,
19876         mov<MMXMODEI>_internal_rex64, mov<MMXMODEI>_internal, movv2sf,
19877         movv2sf_internal_rex64, movv2sf_internal, MMXMODE,
19878         movmisalign<MMXMODE>, mmx_pmovmskb, mmx_maskmovq, mmx_maskmovq_rex,
19879         sse_movntdi, addv8qi3, addv4hi3, addv2si3, mmx_adddi3, ssaddv8qi3,
19880         ssaddv4hi3, usaddv8qi3, usaddv4hi3, subv8qi3, subv4hi3, subv2si3,
19881         mmx_subdi3, sssubv8qi3, sssubv4hi3, ussubv8qi3, ussubv4hi3,
19882         mulv4hi3, smulv4hi3_highpart, umulv4hi3_highpart, mmx_pmaddwd,
19883         sse2_umulsidi3, mmx_iordi3, mmx_xordi3, mmx_anddi3, mmx_nanddi3,
19884         mmx_uavgv8qi3, mmx_uavgv4hi3, mmx_psadbw, mmx_pinsrw, mmx_pinsrw,
19885         mmx_pextrw, mmx_pshufw, eqv8qi3, eqv4hi3, eqv2si3, gtv8qi3, gtv4hi3,
19886         gtv2si3, umaxv8qi3, smaxv4hi3, uminv8qi3, sminv4hi3, ashrv4hi3,
19887         ashrv2si3, lshrv4hi3, lshrv2si3, mmx_lshrdi3, ashlv4hi3, ashlv2si3,
19888         mmx_ashldi3, mmx_packsswb, mmx_packssdw, mmx_packuswb, mmx_punpckhbw,
19889         mmx_punpckhwd, mmx_punpckhdq, mmx_punpcklbw, mmx_punpcklwd,
19890         mmx_punpckldq, emms, addv2sf3, subv2sf3, subrv2sf3, gtv2sf3, gev2sf3,
19891         eqv2sf3, pfmaxv2sf3, pfminv2sf3, mulv2sf3, femms, pf2id, pf2iw,
19892         pfacc, pfnacc, pfpnacc, pi2fw, floatv2si2, pfrcpv2sf2, pfrcpit1v2sf3,
19893         pfrcpit2v2sf3, pfrsqrtv2sf2, pfrsqit1v2sf3, pmulhrwv4hi3, pswapdv2si2,
19894         pswapdv2sf2): Move to mmx.md; rename as necessary with leading
19895         mmx_ prefix.
19896         (mmx_clrdi, pavgusb): Remove.
19897         (ldmxcsr, stmxcsr, sfence, sfence_insn): Move to sse.md; rename
19898         with leading sse_ prefix.
19899         * config/i386/sse.md: Receive them.
19900         * config/i386/mmx.md: New file.
19901         (MMXMODE12, MMXMODE24, mmxvecsize): New.
19902         (subrv2sf3): Turn into expander for normal subtraction.
19903         (mmx_addv2sf3, mmx_mulv2sf3, mmx_smaxv2sf3, mmx_sminv2sf3,
19904         mmx_eqv2sf3, mmx_mulv4hi3, mmx_smulv4hi3_highpart,
19905         mmx_umulv4hi3_highpart, mmx_pmaddwd, mmx_pmulhrwv4hi3, sse2_umulsidi3,
19906         mmx_umaxv8qi3, mmx_smaxv4hi3, mmx_uminv8qi3, mmx_sminv4hi3): Mark
19907         commutative; use ix86_binary_operator_ok.
19908         (mmx_add<MMXMODEI>3, mmx_ssadd<MMXMODE12>3, mmx_usadd<MMXMODE12>3,
19909         mmx_sub<MMXMODEI>3, mmx_sssub<MMXMODE12>3, mmx_ussub<MMXMODE12>3
19910         mmx_ashr<MMXMODE24>3, mmx_lshr<MMXMODE23>3, mmx_ashl<MMXMODE24>3
19911         mmx_eq<MMXMODEI>3, mmx_gt<MMXMODEI>3, mmx_and<MMXMODEI>3,
19912         mmx_nand<MMXMODEI>3, mmx_ior<MMXMODEI>3, mmx_xor<MMXMODEI>3):
19913         Macroize from existing patterns; use ix86_binary_operator_ok.
19914         (mmx_packsswb, mmx_packssdw, mmx_packuswb): Add memory alternative.
19915         (mmx_punpckhbw, mmx_punpcklbw, mmx_punpckhwd, mmx_punpcklwd,
19916         mmx_punpckhdq, mmx_punpckhdq, mmx_punpckldq): Likewise.  Model
19917         with vec_select+vec_concat.
19918         (mmx_pshufw, mmx_pshufw_1): Likewise.
19919         (mmx_uavgv8qi3): Merge pavgusb.  Model correcty.
19920         (mmx_uavgv4hi3): Model correctly.
19921         * config/i386/mmintrin.h (_mm_and_si64, _mm_andnot_si64, _mm_or_si64,
19922         _mm_xor_si64): Remove casts.
19923
19924 2005-01-09  Zdenek Dvorak  <dvorakz@suse.cz>
19925
19926         PR tree-optimization/19224
19927         * tree-scalar-evolution.c (get_instantiated_value,
19928         set_instantiated_value): New functions.
19929         (instantiate_parameters_1): Cache the results.
19930         (instantiate_parameters, resolve_mixers): Initialize and free
19931         the cache.
19932
19933 2005-01-08  David Edelsohn  <edelsohn@gnu.org>
19934
19935         * config/i386/i386.md (addhi_4): Correct reference in comment.
19936         (addqi_4): Same.
19937
19938 2005-01-08  Richard Henderson  <rth@redhat.com>
19939
19940         * config/i386/emmintrin.h (_mm_cvtsi128_si32): Move earlier.
19941         (_mm_cvtsi128_si64x): Likewise.
19942         (_mm_srl_epi64, _mm_srl_epi32, _mm_srl_epi16, _mm_sra_epi32,
19943         _mm_sra_epi16, _mm_sll_epi64, _mm_sll_epi32, _mm_sll_epi16): Use
19944         the _mm_{srl,sll}i_foo counterpart, and _mm_cvtsi128_si32.
19945         * config/i386/i386-modes.def: Add V16HI, V32QI, V4DF, V8SF.
19946         * config/i386/i386-protos.h: Update.
19947         * config/i386/i386.c (print_operand): Add 'H'.
19948         (ix86_fixup_binary_operands): Split out from ...
19949         (ix86_expand_binary_operator): ... here.
19950         (ix86_fixup_binary_operands_no_copy): New.
19951         (ix86_expand_fp_absneg_operator): Handle vector mode results.
19952         (bdesc_2arg): Update names for sse{,2,3}_ prefixes.
19953         (ix86_init_mmx_sse_builtins): Remove *maskncmp* special cases.
19954         (safe_vector_operand): Use CONST0_RTX.
19955         (ix86_expand_binop_builtin): Use ix86_fixup_binary_operands.
19956         (ix86_expand_builtin): Merge CODE_FOR_sse2_maskmovdqu_rex64 and
19957         CODE_FOR_sse2_maskmovdqu.  Special case SSE version of MASKMOVDQU
19958         expansion.  Update names for sse{,2,3}_ prefixes.  Remove *maskncmp*
19959         special cases.
19960         * config/i386/i386.h (IX86_BUILTIN_CMPNGTSS): New.
19961         (IX86_BUILTIN_CMPNGESS): New.
19962         * config/i386/i386.md (UNSPEC_FIX_NOTRUNC): New.
19963         (attr type): Add sselog1.
19964         (attr unit, attr memory): Handle it.
19965         (movti, movti_internal, movti_rex64): Move near other integer moves.
19966         (movtf, movtf_internal): Move near other fp moves.
19967         (SSEMODE, SSEMODEI, vec_setv2df, vec_extractv2df, vec_initv2df,
19968         vec_setv4sf, vec_extractv4sf, vec_initv4sf, movv4sf, movv4sf_internal,
19969         movv2df, movv2df_internal, mov<SSEMODEI>, mov<SSEMODEI>_internal,
19970         movmisalign<SSEMODE>, sse_movups_1, sse_movmskps, sse_movntv4sf,
19971         sse_movhlps, sse_movlhps, sse_storehps, sse_loadhps, sse_storelps,
19972         sse_loadlps, sse_loadss, sse_loadss_1, sse_movss, sse_storess,
19973         sse_shufps, addv4sf3, vmaddv4sf3, subv4sf3, vmsubv4sf3, negv4sf2,
19974         mulv4sf3, vmmulv4sf3, divv4sf3, vmdivv4sf3, rcpv4sf2, vmrcpv4sf2,
19975         rsqrtv4sf2, vmrsqrtv4sf2, sqrtv4sf2, vmsqrtv4sf2, sse_andv4sf3,
19976         sse_nandv4sf3, sse_iorv4sf3, sse_xorv4sf3, sse2_andv2df3,
19977         sse2_nandv2df3, sse2_iorv2df3, sse2_xorv2df3, sse2_andv2di3,
19978         sse2_nandv2di3, sse2_iorv2di3, sse2_xorv2di3, maskcmpv4sf3,
19979         vmmaskcmpv4sf3, sse_comi, sse_ucomi, sse_unpckhps, sse_unpcklps,
19980         smaxv4sf3, vmsmaxv4sf3, sminv4sf3, vmsminv4sf3, cvtpi2ps, cvtps2pi,
19981         cvttps2pi, cvtsi2ss, cvtsi2ssq, cvtss2si, cvtss2siq, cvttss2si,
19982         cvttss2siq, addv2df3, vmaddv2df3, subv2df3, vmsubv2df3, mulv2df3,
19983         vmmulv2df3, divv2df3, vmdivv2df3, smaxv2df3, vmsmaxv2df3, sminv2df3,
19984         vmsminv2df3, sqrtv2df2, vmsqrtv2df2, maskcmpv2df3, vmmaskcmpv2df3,
19985         sse2_comi, sse2_ucomi, sse2_movmskpd, sse2_pmovmskb, sse2_maskmovdqu,
19986         sse2_maskmovdqu_rex64, sse2_movntv2df, sse2_movntv2di, sse2_movntsi,
19987         cvtdq2ps, cvtps2dq, cvttps2dq, cvtdq2pd, cvtpd2dq, cvttpd2dq,
19988         cvtpd2pi, cvttpd2pi, cvtpi2pd, cvtsd2si, cvtsd2siq, cvttsd2si,
19989         cvttsd2siq, cvtsi2sd, cvtsi2sdq, cvtsd2ss, cvtss2sd, cvtpd2ps,
19990         cvtps2pd, addv16qi3, addv8hi3, addv4si3, addv2di3, ssaddv16qi3,
19991         ssaddv8hi3, usaddv16qi3, usaddv8hi3, subv16qi3, subv8hi3, subv4si3,
19992         subv2di3, sssubv16qi3, sssubv8hi3, ussubv16qi3, ussubv8hi3, mulv8hi3,
19993         smulv8hi3_highpart, umulv8hi3_highpart, sse2_umulsidi3,
19994         sse2_umulv2siv2di3, sse2_pmaddwd, sse2_uavgv16qi3, sse2_uavgv8hi3,
19995         sse2_psadbw, sse2_pinsrw, sse2_pextrw, sse2_pshufd, sse2_pshuflw,
19996         sse2_pshufhw, eqv16qi3, eqv8hi3, eqv4si3, gtv16qi3, gtv8hi3,
19997         gtv4si3, umaxv16qi3, smaxv8hi3, uminv16qi3, sminv8hi3, ashrv8hi3,
19998         ashrv4si3, lshrv8hi3, lshrv4si3, lshrv2di3, ashlv8hi3, ashlv4si3,
19999         ashlv2di3, sse2_ashlti3, sse2_lshrti3, sse2_unpckhpd, sse2_unpcklpd,
20000         sse2_packsswb, sse2_packssdw, sse2_packuswb, sse2_punpckhbw,
20001         sse2_punpckhwd, sse2_punpckhdq, sse2_punpcklbw, sse2_punpcklwd,
20002         sse2_punpckldq, sse2_punpcklqdq, sse2_punpckhqdq, sse2_movupd,
20003         sse2_movdqu, sse2_movdq2q, sse2_movdq2q_rex64, sse2_movq2dq,
20004         sse2_movq2dq_rex64, sse2_loadd, sse2_stored, sse2_storehpd,
20005         sse2_loadhpd, sse2_storelpd, sse2_loadlpd, sse2_movsd, sse2_loadsd,
20006         sse2_loadsd_1, sse2_storesd, sse2_shufpd, sse2_clflush, sse2_mfence,
20007         mfence_insn, sse2_lfence, lfence_insn, mwait, monitor, addsubv4sf3,
20008         addsubv2df3, haddv4sf3, haddv2df3, hsubv4sf3, hsubv2df3, movshdup,
20009         movsldup, lddqu, loadddup, movddup): Move to sse.md.  Any with
20010         non-optabs meanings renamed with an "sse{,2,3}_" prefix at the
20011         same time.
20012         (SSEPUSH, push<SSEPUSH>): Remove.
20013         (MMXPUSH, push<MMXPUSH>): Remove.
20014         (sse_movaps, sse_movaps_1, sse_movups): Remove.
20015         (sse2_movapd, sse2_movdqa, sse2_movq): Remove.
20016         (sse2_andti3, sse2_nandti3, sse2_iorti3, sse2_xorti3): Remove.
20017         (sse_clrv4sf, sse_clrv2df, sse2_clrti): Remove.
20018         (maskncmpv4sf3, vmmaskncmpv4sf3): Remove.
20019         (maskncmpv2df3, vmmaskncmpv2df3): Remove.
20020         (ashrv8hi3_ti, ashrv4si3_ti, lshrv8hi3_ti, lshrv4si3_ti): Remove.
20021         (lshrv2di3_ti, ashlv8hi3_ti, ashlv4si3_ti, ashlv2di3_ti): Remove.
20022         * config/i386/athlon.md (athlon_sselog_load): Handle sselog1.
20023         (athlon_sselog_load_k8, athlon_sselog, athlon_sselog_k8): Likewise.
20024         * config/i386/ppro.md (ppro_sse_div_V4SF_load): Fix memory attr.
20025         (ppro_sse_log_V4SF_load): Similarly.  Handle sselog1.
20026         (ppro_sse_log_V4SF): Handle sselog1.
20027         * config/i386/predicates.md (const_0_to_1_operand): New.
20028         (const_0_to_255_mul_8_operand): New.
20029         (const_1_to_31_operand): Rename from const_int_1_31_operand.
20030         (const_2_to_3_operand, const_4_to_7_operand): New.
20031         * config/i386/sse.md: New file.
20032         (SSEMODE12, SSEMODE24, SSEMODE124, SSEMODE248, ssevecsize): New.
20033         (sse_movups): Rename from sse_movups_1.
20034         (sse_loadlss): Rename from sse_loadss_1.
20035         (andv4sf3, iorv4sf3, xorv4sf3, andv2df3): Remove the sse prefix
20036         from the name.
20037         (negv4sf2): Use ix86_expand_fp_absneg_operator.
20038         (absv4sf2, negv2df, absv2df): New.
20039         (addv4sf3): Add expander to call ix86_fixup_binary_operands_no_copy.
20040         (subv4sf3, mulv4sf3, divv4sf3, smaxv4sf3, sminv4sf3, andv4sf3,
20041         iorv4sf3, xorv4sf3, addv2df3, subv2df3, mulv2df3, divv2df3,
20042         smaxv2df3, sminv2df3, andv2df3, iorv2df3, xorv2df3, mulv8hi3,
20043         umaxv16qi3, smaxv8hi3, uminv16qi3, sminv8hi3): Likewise.
20044         (sse3_addsubv4sf3): Model correctly.
20045         sse3_haddv4sf3, sse3_hsubv4sf3, sse3_addsubv2df3, sse3_haddv2df3,
20046         sse3_hsubv2df3, sse2_ashlti3, sse2_lshrti3): Likewise.
20047         (sse_movhlps): Model with vec_select+vec_concat.
20048         (sse_movlhps, sse_unpckhps, sse_unpcklps, sse3_movshdup,
20049         sse3_movsldup, sse_shufps, sse_shufps_1, sse2_unpckhpd, sse3_movddup,
20050         sse2_unpcklpd, sse2_shufpd, sse2_shufpd_1, sse2_punpckhbw,
20051         sse2_punpcklbw, sse2_punpckhwd, sse2_punpcklwd, sse2_punpckhdq,
20052         sse2_punpckldq, sse2_punpckhqdq, sse2_punpcklqdq, sse2_pshufd,
20053         sse2_pshufd_1, sse2_pshuflw, sse2_pshuflw_1, sse2_pshufhw,
20054         sse2_pshufhw_1): Likewise.
20055         (neg<SSEMODEI>2, one_cmpl<SSEMODEI>2): New.
20056         (add<SSEMODEI>3, sse2_ssadd<SSEMODE12>3, sse2_usadd<SSEMODE12>3,
20057         sub<SSEMODEI>3, sse2_sssub<SSEMODE12>3, sse2_ussub<SSEMODE12>3,
20058         ashr<SSEMODE24>3, lshr<SSEMODE248>3, sse2_eq<SSEMODE124>3,
20059         sse2_gt<SSEMODDE124>3, and<SSEMODEI>3, sse_nand<SSEMODEI>3,
20060         ior<SSEMODEI>3, xor<SSEMODEI>3): Macroize from existing patterns.
20061         (addv4sf3, sse_vmaddv4sf3, mulv4sf3, sse_vmmulv4sf3, smaxv4sf3,
20062         sse_vmsmaxv4sf3, sminv4sf3, sse_vmsminv4sf3, addv2df3, sse2_vmaddv2df3,
20063         mulv2df3, sse2_vmmulv2df3, smaxv2df3, sse2_vmsmaxv2df3, sminv2df3,
20064         sse2_vmsminv2df3, umaxv16qi3, smaxv8hi3, uminv16qi3
20065         sminv8hi3): Mark commutative
20066         operands.  Use ix86_binary_operator_ok.
20067         (sse_unpckhps, sse_unpcklps, sse2_packsswb, sse2_packssdw,
20068         sse2_packuswb, sse2_punpckhbw, sse2_punpcklbw, sse2_punpckhwd,
20069         sse2_punpcklwd, sse2_punpckhdq, sse2_punpckldq, sse2_punpckhqdq,
20070         sse2_punpcklqdq): Allow operand2 in memory.
20071         (sse_movhlps, sse_movlhps, sse2_unpckhpd, sse2_unpcklpd
20072         sse2_movsd): Add memory alternatives.
20073         (sse_storelps): Turn expander into an insn; split after reload.
20074         (sse_storess, sse2_loadhpd, sse2_loadlpd): Add non-xmm inputs.
20075         (sse2_storehpd, sse2_storelpd): Add non-xmm outputs.
20076
20077 2005-01-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
20078
20079         * configure.ac (DWARF-2 debug_line): Use objdump.
20080         * configure: Regenerate.
20081
20082 2005-01-08  Jeff Law  <law@redhat.com>
20083             Diego Novillo  <dnovillo@redhat.com>
20084
20085         PR tree-optimization/18241
20086         * tree-nrv.c (tree_nrv): Ignore volatile return values.
20087         * tree-ssa-dse.c (dse_optimize_stmt): Do not optimize
20088         statements with volatile operands.
20089         * tree-ssa-operands.c (add_stmt_operand): Do add volatile
20090         operands after marking a statement with has_volatile_ops.
20091
20092 2005-01-08  Roger Sayle  <roger@eyesopen.com>
20093
20094         * tree.c (int_fits_type_p): Always honor integer constant
20095         TYPE_MIN_VALUE and TYPE_MAX_VALUE if they exist.
20096
20097 2005-01-08  Roger Sayle  <roger@eyesopen.com>
20098
20099         * ifcvt.c (find_if_case_1): Reinstate 2005-01-04 change, now that
20100         the latent bug in rtl_delete_block has been resolved.
20101
20102 2005-01-08  Richard Sandiford  <rsandifo@redhat.com>
20103
20104         * config/mips/t-iris6 (MULTILIB_DIRNAMES): Use -mabi argument values.
20105         (MULTILIB_OSDIRNAMES): Use the standard lib, lib32 and lib64.
20106
20107 2005-01-08  Richard Sandiford  <rsandifo@redhat.com>
20108
20109         * config/mips/t-slibgcc-irix (SHLIB_LINK): Install a copy of the
20110         library as @multilib_dir@/$(SHLIB_SONAME).
20111
20112 2005-01-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
20113
20114         * configure.ac (HAVE_AS_OFFSETABLE_LO10): Fix typo.
20115         * configure: Regenerate.
20116
20117 2005-01-07  Jakub Jelinek  <jakub@redhat.com>
20118
20119         * c-common.c (handle_mode_attribute): For ENUMERAL_TYPE, also copy
20120         TYPE_MODE.
20121
20122 2005-01-07  David Edelsohn  <edelsohn@gnu.org>
20123
20124         PR target/13674
20125         * config/rs6000/rs6000.c (rs6000_legitimize_reload_address):
20126         Convert non-word aligned offset address using ld/std into
20127         indirect address.
20128
20129 2005-01-07  Richard Henderson  <rth@redhat.com>
20130
20131         * config/i386/i386.md (sse_loadhps splitter): Fix operand number typo.
20132
20133 2005-01-07  Richard SAndiford  <rsandifo@redhat.com>
20134
20135         * tree.h (IS_EXPR_CODE_CLASS): Use a straight-forward range check.
20136
20137 2005-01-07  Jakub Jelinek  <jakub@redhat.com>
20138
20139         PR tree-optimization/19283
20140         * fold-const.c (fold_widened_comparison): Return NULL if shorter_type
20141         is not shorter than the original type.
20142
20143         PR rtl-optimization/19012
20144         * config/i386/i386.md (addqi_1_slp): Set memory attribute.
20145
20146         PR rtl-optimization/18861
20147         * cfgbuild.c (BLOCK_USED_BY_TABLEJUMP): Define.
20148         (FULL_STATE): Define.
20149         (mark_tablejump_edge): New function.
20150         (purge_dead_tablejump_edges): New function.
20151         (find_bb_boundaries): Use it.
20152
20153         PR tree-optimization/18828
20154         * builtins.c (expand_builtin_next_arg): Remove argument and all
20155         the argument checking.
20156         (expand_builtin): Adjust caller.
20157         (expand_builtin_va_start): Likewise.  Remove error for too many
20158         arguments.
20159         (fold_builtin_next_arg): Issue error for too many arguments.
20160         After checking arguments, replace them with magic arguments that
20161         prevent further checking of the args.
20162
20163 2005-01-06  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
20164
20165         * pa64-hpux.h (STARTFILE_SPEC): Fix typo in spec.
20166
20167 2005-01-06  Roger Sayle  <roger@eyesopen.com>
20168
20169         PR target/6077
20170         * gcc.c (input_suffix_matches): Tweak the semantics of %{.s:...}
20171         and %{.S:...} (and their negative variants) to test whether the
20172         input file is assembler or pre-processed-assembler independent of
20173         the actual filename extension.
20174
20175 2005-01-06  Roger Sayle  <roger@eyesopen.com>
20176
20177         * simplify-rtx.c (simplify_subreg): Simplify truncations of shifts
20178         of sign or zero extended values.
20179
20180 2005-01-06  Geoffrey Keating  <geoffk@apple.com>
20181
20182         * c-cppbuiltin.c (builtin_define_float_constants): Set __*_EPSILON__
20183         for IBM long double format correctly.
20184
20185 2005-01-06  Daniel Berlin <dberlin@dberlin.org>
20186
20187         Fix PR tree-optimization/18792
20188
20189         * tree-data-ref.c (build_classic_dist_vector): Change first_loop
20190         to first_loop_depth, and use loop depth instead of loop number.
20191         (build_classic_dir_vector): Ditto.
20192         (compute_data_dependences_for_loop): Use depth, not loop number.
20193         * tree-loop-linear.c (try_interchange_loops): Use loop depth, not loop
20194         number. Pass in loops, instead of loop numbers.
20195         (gather_interchange_stats): Ditto.
20196         (linear_transform_loops): Ditto.
20197
20198 2005-01-06  Richard Sandiford  <rsandifo@redhat.com>
20199
20200         PR rtl-opt/13299
20201         * loop.c (get_monotonic_increment, biased_biv_fits_mode_p,
20202         biv_fits_mode_p, extension_within_bounds_p): New functions.
20203         (check_ext_dependent_givs): Use them.
20204
20205 2005-01-06  Roger Sayle  <roger@eyesopen.com>
20206
20207         * cfgrtl.c (rtl_delete_block): A basic block may be followed by
20208         more than one barrier, in which case we should delete them all.
20209
20210 2005-01-06  Tobias Schlueter  <tobias.schlueter@physik.uni-muenchen.de>
20211
20212         * gcc.c (process_command): Change year in 'gcc --version' to 2005.
20213
20214 2005-01-05  Daniel Berlin  <dberlin@dberlin.org>
20215
20216         Fix PR middle-end/19286
20217         Fix PR debug/19267
20218         * dwarf2out.c (gen_subprogram_die): If we've already tried to
20219         output this subprogram, simply ignore this attempt to do it again.
20220         (add_abstract_origin_attribute): Don't abort trying to add the abstract
20221         origin attribute if it's not possible.
20222         (gen_block_die): Don't ignore subblocks of "unused" blocks.
20223         (decls_for_scope): Ditto.
20224         * gimple-low.c (mark_blocks_with_used_subblocks): Remove.
20225         (mark_used_blocks): Don't call mark_blocks_with_used_subblocks.
20226
20227 2005-01-05  Richard Henderson  <rth@redhat.com>
20228
20229         PR target/11327
20230         * config/i386/i386.c (BUILTIN_DESC_SWAP_OPERANDS): New.
20231         (bdesc_2arg): Use it.
20232         (ix86_expand_binop_builtin): Force operands into registers
20233         when optimizing.
20234         (ix86_expand_unop_builtin, ix86_expand_unop1_builtin,
20235         ix86_expand_sse_compare, ix86_expand_sse_comi,
20236         ix86_expand_builtin): Likewise.
20237
20238 2005-01-05  Richard Henderson  <rth@redhat.com>
20239
20240         * config/ia64/ia64.c (rtx_needs_barrier): Handle CONST_VECTOR
20241         and VEC_SELECT.
20242         * config/ia64/vect.md (mulv8qi3): Re-implement with mix_[rl].
20243         (mulv4hi3): Set itanium_class mmmul.
20244         (fpack_sfxf, fpack_xfsf, fpack_xfxf): Remove.
20245         (fpack): Rename from fpack_sfsf.
20246
20247 2005-01-05  Richard Henderson  <rth@redhat.com>
20248
20249         PR rtl-opt/10692
20250         * reload1.c (do_input_reload): Restrict the optimization deleteing
20251         a previous output reload to RELOAD_FOR_INPUT.
20252
20253 2005-01-05  Steven Bosscher  <stevenb@suse.de>
20254
20255         * combine.c (expand_compound_operation)  <ZERO_EXTRACT>: Add
20256         comment that we fall through after case.
20257         (mark_used_regs_combine): Don't expect a SIGN_EXTRACT in a SET_DEST.
20258         (distribute_links): Likewise.
20259         * cse.c (cse_insn): Likewise.
20260         * cselib.c (cselib_invalidate_mem): Likewise.
20261         * df.c: Update comments at the top of the file.
20262         (read_modify_subreg_p): Update comments here too.
20263         (df_def_record_1): Don't expect a SIGN_EXTRACT in a SET_DEST.
20264         * flow.c (mark_set_1): Likewise.
20265         (mark_used_regs): Likewise.
20266         * gcse.c (mems_conflict_for_gcse_p): Likewise.
20267         (canon_list_insert): Likewise.
20268         (mark_set): Likewise.
20269         (try_replace_reg): Likewise.
20270         (store_killed_in_insn): Likewise.
20271         * loop.c (count_one_set): Likewise.
20272         (basic_induction_var): Likewise.
20273         * postreload-gcse.c (find_mem_conflicts): Likewise.
20274         * postreload.c (reload_combine_note_store): Likewise.
20275         (move2add_note_store): Likewise.
20276         * reload.c (find_equiv_reg): Likewise.
20277         (mark_referenced_resources): Likewise.
20278         * rtlanal.c (set_noop_p): Likewise.
20279         (note_stores): Likewise.
20280         (note_uses): Likewise.
20281         * sched-deps.c (sched_analyze_1): Likewise.
20282         * sched-rgn.c (check_live_1): Likewise.
20283         (update_live_1): Likewise.
20284         * config/i860/i860.c: Likewise.
20285
20286         * rtl.dec (SIGN_EXTRACT): Document that this cannot appear as
20287         an lvalue.
20288         (ZERO_EXTRACT): Mention that this one can be an lvalue.
20289
20290         * doc/rtl.texi: Update documentation for bit-fields and SET.
20291
20292 2005-01-05  Roger Sayle  <roger@eyesopen.com>
20293
20294         * ifcvt.c (find_if_case_1): Revert 2005-01-04 change.
20295
20296 2005-01-05  Jan Hubicka  <jh@suse.cz>
20297             Richard Henderson  <rth@redhat.com>
20298
20299         PR target/18910
20300         * config/i386/i386.c (ix86_expand_move): Handle tls symbols
20301         with an offset.
20302
20303 2005-01-05  Richard Henderson  <rth@redhat.com>
20304
20305         PR target/12902
20306         * config/i386/i386.md (sse_movhps, sse_movlps): Remove.
20307         (sse_shufps): Change operand 3 to const_int_operand.
20308         (sse2_storelps): Fix typo in template.
20309         (sse_storehps, sse_loadhps, sse_storelps, sse_loadlps): New.
20310         * config/i386/i386.c (ix86_expand_vector_move_misalign): Use them.
20311         (ix86_expand_builtin): Likewise.
20312
20313 2005-01-05  Julian Brown  <julian@codesourcery.com>
20314
20315         * config/arm/arm.c (arm_return_in_memory): Treat complex types
20316         as aggregates for AAPCS ABIs.
20317
20318 2005-01-05  Stan Shebs  <shebs@apple.com>
20319
20320         * unwind-dw2-fde-darwin.c (examine_objects): Use 64-bit
20321         Mach-O getters if ppc64.
20322         * config/darwin.c (darwin_asm_output_dwarf_delta): Obey
20323         size argument.
20324         * config/darwin.h (ASM_PREFERRED_EH_DATA_FORMAT): Use
20325         signed four-byte field for global code case.
20326         (STARTFILE_SPEC): Avoid crt2.o for 64-bit compilation.
20327
20328 2005-01-05  Roger Sayle  <roger@eyesopen.com>
20329
20330         PR middle-end/19100
20331         * c-common.c: Include real.h.
20332         (c_common_truthvalue_conversion): Avoid destructively modifying expr.
20333         Correctly handle TREE_CONSTANT_OVERFLOW for INTEGER_CST.
20334         Correctly handle TREE_CONSTANT_OVERFLOW and NaNs for REAL_CST.
20335         * Makefile.in (c-common.o): Update dependencies.
20336
20337 2005-01-05  Joseph S. Myers  <joseph@codesourcery.com>
20338
20339         * c-parse.in (asm_string): Add trailing semicolon.
20340
20341 2005-01-05  Joseph S. Myers  <joseph@codesourcery.com>
20342
20343         * c-parse.in (asm_string): New.  Don't allow wide strings in
20344         'asm'.
20345         (simple_asm_expr, asm_argument, asm_operand, asm_clobbers): Use
20346         asm_string instead of STRING.
20347
20348 2005-01-05  Joseph S. Myers  <joseph@codesourcery.com>
20349
20350         * c-typeck.c (constructor_no_implicit): Remove.
20351         (set_designator, process_init_element): Don't check
20352         constructor_no_implicit.
20353
20354 2005-01-05  J"orn Rennecke <joern.rennecke@st.com>
20355             Kaz Kojima  <kkojima@gcc.gnu.org>
20356
20357         PR target/16482
20358         * lcm.c (create_pre_exit): New.
20359         (optimize_mode_switching): In MODE_ENTRY / MODE_EXIT case, set
20360         ENTRY_EXIT_EXTRA to 3.  Use create_pre_exit.
20361
20362 2004-01-05  Richard Earnshaw  <rearnsha@arm.com>
20363
20364         * arm.h (TARGET_OPTIONS): Correctly record -mhard-float and
20365         -msoft-float in target_float_switch.
20366         * arm.c (arm_override_options): Fix processing of target_float_switch.
20367
20368 2004-01-05  Richard Earnshaw  <rearnsha@arm.com>
20369
20370         * arm/vfp.md (arm_movsi_vfp): Hide VFP register classes from register
20371         preferencing.
20372
20373 2004-01-05  Uros Bizjak  <uros@kss-loka.si>
20374
20375         * doc/invoke.texi (Intel 386 and AMD x86-64 Options):
20376         Replace i387 with 'i386 compiler' in -mfpmath=sse option.
20377
20378 2005-01-04  Roger Sayle  <roger@eyesopen.com>
20379
20380         * ifcvt.c (find_if_case_1): Avoid creating an empty forwarder block,
20381         if deleting the then-block allows the test-block to fallthru to the
20382         else-block.
20383
20384 2005-01-04  Andrew Pinski  <pinskia@physics.uc.edu>
20385
20386         PR c/19152
20387         * c-decl.c (diagnose_mismatched_decls): Accept "extern inline" declared
20388         after the full declaration if the are in two different TUs.
20389
20390 2005-01-04  Richard Henderson  <rth@redhat.com>
20391
20392         PR tree-opt/19158
20393         * tree-sra.c (generate_one_element_init): Just
20394         call gimplify_and_add.
20395         (generate_element_init): Record the
20396         new referenced variables and mark them for renaming
20397         and split out to ...
20398         (generate_element_init_1): This.
20399         (scalarize_init): Don't call push_gimplify_context/
20400         pop_gimplify_context.
20401
20402 2005-01-04  Geoffrey Keating  <geoffk@apple.com>
20403
20404         * toplev.c (get_src_pwd): Handle failure of getpwd().
20405
20406 2005-01-04  Roger Sayle  <roger@eyesopen.com>
20407
20408         * fold-const.c (fold_single_bit_test): Delete unreachable handling
20409         of TRUTH_NOT_EXPR.
20410         (fold): Don't call fold_single_bit_test with a TRUTH_NOT_EXPR, as
20411         all the cases handled by it are inverted by invert_truthvalue.
20412
20413 2005-01-04  Eric Botcazou  <ebotcazou@libertysurf.fr>
20414
20415         * config/sparc/sparc.md (save_register_windowdi): Add missing mode.
20416         (save_register_windowsi): Likewise.
20417
20418 2005-01-04  Richard Henderson  <rth@redhat.com>
20419
20420         * tree-mudflap.c (mf_varname_tree): Fix thinko setting declname.
20421
20422 2005-01-04  Uros Bizjak  <uros@kss-loka.si>
20423
20424         PR middle-end/17767
20425         * cse.c (fold_rtx) [RTX_COMPARE, RTX_COMM_COMPARE]: Don't attempt
20426         any simplifications of vector mode comparison operators.
20427         * simplify-rtx.c (simplify_relational_operation): Fix variable name.
20428
20429 2005-01-04  Paolo Bonzini  <bonzini@gnu.org>
20430             Devang Patel  <dpatel@apple.com>
20431
20432         PR tree-optimization/18308
20433         * tree-if-conv.c (add_to_dst_predicate_list): Gimplify
20434         the operands before creating a new expression.
20435         * dojump.c (do_jump): Make drop_through_label available
20436         for all cases.  Add expansion of COND_EXPR.
20437
20438 2005-01-04  Ira Rosen  <irar@il.ibm.com>
20439
20440         * tree-vectorizer.c (vect_analyze_offset_expr): Test for
20441         INTEGER_CST instead of TREE_CONSTANT.
20442         (vect_gen_niters_for_prolog_loop): Test for INTEGER_CST
20443         instead of TREE_CONSTANT.
20444         (vect_analyze_pointer_ref_access): Test for INTEGER_CST
20445         instead of TREE_CONSTANT.
20446
20447 2005-01-04  Eric Botcazou  <ebotcazou@libertysurf.fr>
20448
20449         * tree-eh.c (replace_goto_queue): Return early if the queue is empty.
20450
20451 2005-01-04  Uros Bizjak  <uros@kss-loka.si>
20452
20453         PR target/19240
20454         * config/i386/i386.md (*fop_df_1_i387): Disable for TARGET_SSE_MATH.
20455         (*fop_df_1_i387): Disable for (TARGET_SSE2 && TARGET_SSE_MATH).
20456
20457 2005-01-03  Richard Henderson  <rth@redhat.com>
20458
20459         * fold-const.c (force_fit_type): Cope with types larger than 2 HWI.
20460         (fold_convert_const_int_from_int, fold_convert_const_int_from_real,
20461         fold_convert_const_real_from_real): Split out from ...
20462         (fold_convert_const): ... here.
20463
20464 2005-01-03  Richard Henderson  <rth@redhat.com>
20465
20466         PR target/19235
20467         * config/i386/i386.md (movdi_2): Separate SSE1 and SSE2 alternatives.
20468         (mov<MMXMODEI>_internal): Likewise.
20469         (movdf_nointeger): Prefer Y while not preferring, but allowing, x.
20470         Add V2SF case; use it for SSE1; don't use TI.
20471         (movdf_integer): Likewise.
20472         (mov<SSEMODEI>_internal, movti_internal): Force V4SF for SSE1.
20473
20474 2005-01-03  Ira Rosen  <irar@il.ibm.com>
20475
20476         * tree-vectorizer.c (vect_strip_conversions): New function.
20477         (vect_analyze_offset_expr): Call vect_strip_conversions. Add
20478         check for binary class.
20479
20480 2005-01-03  Daniel Berlin  <dberlin@dberlin.org>
20481
20482         Fix PR debug/17924
20483         Fix PR debug/19191
20484         * dwarf2out.c (block_ultimate_origin): Follow decl origin if origin
20485         is a decl.
20486         * gimple-low.c (mark_blocks_with_used_vars): New function.
20487         (mark_blocks_with_used_subblocks): Ditto.
20488         (mark_used_blocks): Ditto.
20489         (pass_mark_used_blocks): New pass.
20490         * tree-inline.c: Include debug.h.
20491         (expand_call_inline): Call outlining_inline_function here.
20492         * tree-optimize.c (init_tree_optimization_passes): Add
20493         pass_mark_used_blocks.
20494         * tree-pass.h (pass_mark_used_blocks): New.
20495         * Makefile.in (tree-inline.o): Add debug.h dependency.
20496
20497 2005-01-03  Geoffrey Keating  <geoffk@apple.com>
20498
20499         * config/darwin.c (darwin_handle_weak_import_attribute): Permit
20500         VAR_DECLs to have weak_import attribute.
20501
20502         * config/rs6000/darwin-fallback.c: Use 'ucontext_t' rather than
20503         'struct ucontext'.
20504
20505 2004-01-03  Steven Bosscher  <stevenb@suse.de>
20506
20507         * passes.c (rest_of_compilation): Don't run regmove if only
20508         flag_expensive_optimizations, require flag_regmove instead.
20509
20510 2005-01-03  Eric Botcazou  <ebotcazou@libertysurf.fr>
20511
20512         * config/sparc/litecoff.h (TARGET_OS_CPP_BUILTINS): Do not
20513         register "sparc".
20514         * config/sparc/sysv4-only.h (TARGET_OS_CPP_BUILTINS): Likewise.
20515         * config/sparc/rtemself.h (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
20516         * config/sparc/sol2-64.h (TARGET_SUB_OS_CPP_BUILTINS): Delete.
20517         * config/sparc/sp64-elf.h (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
20518
20519 2005-01-03  Richard Henderson  <rth@redhat.com>
20520
20521         * config/ia64/ia64.c (TARGET_VECTOR_MODE_SUPPORTED_P): New.
20522         (ia64_const_ok_for_letter_p): New.
20523         (ia64_const_double_ok_for_letter_p): New.
20524         (ia64_extra_constraint): New.
20525         (ia64_expand_vecint_compare): New.
20526         (ia64_expand_vcondu_v2si): New.
20527         (ia64_expand_vecint_cmov): New.
20528         (ia64_expand_vecint_minmax): New.
20529         (ia64_print_operand): Add 'v'.
20530         (ia64_preferred_reload_class): New.
20531         (ia64_vector_mode_supported_p): New.
20532         * config/ia64/ia64.h (UNITS_PER_SIMD_WORD): New.
20533         (PREFERRED_RELOAD_CLASS): Move to function.
20534         (CONST_OK_FOR_LETTER_P): Move to function.
20535         (CONST_DOUBLE_OK_FOR_LETTER_P): Move to function.
20536         (CONSTRAINT_OK_FOR_Q, CONSTRAINT_OK_FOR_R): Remove.
20537         (CONSTRAINT_OK_FOR_S, CONSTRAINT_OK_FOR_T): Remove.
20538         (EXTRA_CONSTRAINT): Move to function.
20539         * config/ia64/ia64.md: Include vect.md.
20540         (itanium_class): Add mmalua.
20541         (type): Handle it.
20542         * config/ia64/itanium1.md (1_mmalua): New.  Add it to bypasses.
20543         (1b_mmalua): New.
20544         * config/ia64/itanium2.md (2_mmalua, 2b_mmalua): Similarly.
20545         * config/ia64/predicates.md (gr_reg_or_0_operand): Accept any
20546         CONST0_RTX.
20547         (const_int_2bit_operand): New.
20548         (fr_reg_or_0_operand): New.
20549         * config/ia64/ia64-modes.def: Add vector modes.
20550         * config/ia64/ia64-protos.h: Update.
20551         * config/ia64/vect.md: New file.
20552
20553 2005-01-03  Richard Henderson  <rth@redhat.com>
20554
20555         * simplify-rtx.c (simplify_binary_operation): Handle VEC_CONCAT.
20556
20557 2005-01-03  Uros Bizjak  <uros@kss-loka.si>
20558
20559         PR target/19236
20560         * config/i386/i386.c (log1psf2): Change mode of operands[0,1]
20561         to SFmode.
20562         (log1pdf2): Change mode of operands[0,1] to DFmode.
20563
20564 2005-01-03  Eric Botcazou  <ebotcazou@libertysurf.fr>
20565
20566         * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Define to false.
20567         * config/sparc/linux.h (SPARC_RELAXED_ORDERING): Define to true.
20568         * config/sparc/linux64.h (SPARC_RELAXED_ORDERING): Likewise.
20569         * config/sparc/sparc.c (TARGET_RELAXED_ORDERING): Define to
20570         SPARC_RELAXED_ORDERING.
20571
20572 2005-01-03  Richard Henderson  <rth@redhat.com>
20573             Uros Bizjak  <uros@kss-loka.si>
20574
20575         PR target/14631
20576         * config/i386/i386.c (ix86_expand_builtin): [IX86_BUILTIN_PINSRW,
20577         IX86_BUILTIN_PINSRW128]: Fix wrong selector range in error message.
20578         * config/i386/i386.md (mmx_pinsrw, sse2_pinsrw): Fix selector
20579         handling.
20580         (*mmx_pinsrw, *sse2_pinsrw): New patterns.
20581         * config/i386/i386/predicates.md (const_pow2_1_to_8_operand,
20582         const_pow2_1_to_128_operand): New predicates.
20583
20584 2005-01-02  Greg McGary  <greg@mcgary.org>
20585
20586         * tree-mudflap.c (mf_varname_tree): decl_printable_name handles
20587         anonymous decls.
20588         (mf_xform_derefs_1) [RESULT_DECL, STRING_CST]: Handle as innermost
20589         object.  [ptr_type]: Remove unused variable.
20590         Remember nearest addressable array-element or record-component
20591         when checking bitfield components.  Tolerate empty BIND_EXPR.
20592
20593 2005-01-01  Richard Henderson  <rth@redhat.com>
20594
20595         * tree-vectorizer.c (vect_analyze_offset_expr): Strip conversions
20596         that don't narrow the value.  Fail for other conversions.
20597
20598 2005-01-01  Richard Henderson  <rth@redhat.com>
20599
20600         PR c/19031
20601         * c-decl.c (pop_file_scope): Call maybe_apply_pending_pragma_weaks.
20602         * c-lang.c (finish_file): Don't do it here.
20603         * objc/objc-act.c (objc_finish_file): Likewise.
20604
20605         * cgraph.c (decl_assembler_name_equal): New.
20606         (cgraph_node_for_asm, cgraph_varpool_node_for_asm): New.
20607         (cgraph_varpool_node): Actually link up cgraph_varpool_nodes.
20608         * cgraph.h (struct cgraph_varpool_node): Add next.
20609         (cgraph_node_for_asm, cgraph_varpool_node_for_asm): Declare.
20610         * varasm.c (assemble_alias): Mark the target as needed.
20611
20612 2005-01-01  Andrew Pinski  <pinskia@physics.uc.edu>
20613
20614         PR middle-end/19221
20615         * function.c (get_arg_pointer_save_area): Use entry_of_function
20616         instead of get_insns.
20617
20618 2005-01-01  Roger Sayle  <roger@eyesopen.com>
20619             Andrew Pinski  <pinskia@physics.uc.edu>
20620             James E. Wilson  <wilson@specifixinc.com>
20621
20622         PR rtl-optimization/12092
20623         * loop.c (emit_prefetch_instructions): Do nothing if PREFETCH_BLOCK
20624         is zero.
20625
20626 2005-01-01  Roger Sayle  <roger@eyesopen.com>
20627             Olivier Hainque  <hainque@act-europe.fr>
20628
20629         * tree.c (int_fits_type_p): A narrower type always fits in a
20630         wider one, except for negative values into unsigned types.
20631
20632 2005-01-01  Roger Sayle  <roger@eyesopen.com>
20633
20634         * tree.c (int_fits_type_p): Compare the result of force_fit_type
20635         with the original constant rather than require TREE_OVERFLOW.
20636
20637 2005-01-01  Steven Bosscher  <stevenb@suse.de>
20638
20639         PR middle-end/17544
20640         * c-decl.c (finish_function): If compiling C99, annotate the
20641         compiler generated return with the current file name and line 0.
20642         * tree-cfg.c (remove_useless_stmts_warn_notreached): Only warn if
20643         the source line is greater than 0.
20644         (remove_bb): Likewise.