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2005-07-07 Daniel Berlin <dberlin@dberlin.org>
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2005-07-07  Daniel Berlin  <dberlin@dberlin.org>
2
3         * tree-ssa-structalias.c (struct variable_info): Heapify complex.
4         (varmap): Heapify varmap.
5         (constraints): Heapify constraints.
6         (struct constraint_graph): Heapify succs and preds.
7         (constraint_vec_find): Update for heapification.
8         (constraint_set_union): Ditto.
9         (insert_into_complex): Ditto.
10         (constraint_edge_vec_find): Ditto.
11         (erase_graph_self_edge): Ditto.
12         (add_graph_edge): Ditto.
13         (get_graph_weights): Ditto.
14         (merge_graph_nodes): Ditto.
15         (build_constraint_graph): Ditto.
16         (topo_visit): Ditto.
17         (solve_graph): Ditto.
18         (create_variable_info_for): Ditto.
19         (init_base_vars): Ditto.
20         (delete_points_to_sets): Free graph, varmap, and complex constraints.
21         (condese_varmap_nodes): Free complex vector.
22         (clear_edges_for_node): Clear succs and preds vector.
23
24 2005-07-10  Daniel Berlin  <dberlin@dberlin.org>
25
26         * tree-ssa-structalias.c (update_alias_info): Change counting of
27         references to not include vdefs.
28         
29 2005-07-10  Daniel Berlin  <dberlin@dberlin.org>
30
31         * tree-ssa-alias.c (free_used_part_map): Add missing free.
32         (up_insert): Ditto.
33
34 2005-07-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
35
36         * pa.c (pa_commutative_p): Make PLUS commutative when
37         TARGET_NO_SPACE_REGS is true.
38
39 2005-07-09  Diego Novillo  <dnovillo@redhat.com>
40
41         * Makefile.in (tree-ssa-alias.o): Depend on tree-ssa-structalias.h
42         * tree-cfg.c (CHECK_OP): Only test for is_gimple_val.
43         * tree-dfa.c (dump_subvars_for): New.
44         (debug_subvars_for): New.
45         (dump_variable): Show subvariables if VAR has them.
46         * tree-flow-inline.h (get_subvar_at): New.
47         (overlap_subvar): Change offset and size to unsigned HOST_WIDE_INT.
48         * tree-flow.h (struct ptr_info_def): Remove field pt_malloc.
49         Update all users.
50         (struct subvar): Change fields offset and size to unsigned
51         HOST_WIDE_INT.
52         (dump_subvars_for): Declare.
53         (debug_subvars_for): Declare.
54         (get_subvar_at): Declare.
55         (okay_component_ref_for_subvars): Change 2nd and 3rd argument
56         to unsigned HOST_WIDE_INT *.
57         (overlap_subvar): Likewise.
58         * tree-gimple.c (is_gimple_reg): Always return false for
59         SFTs and memory tags.
60         * tree-pass.h (pass_build_pta, pass_del_pta): Remove.
61         Update all callers.
62         * tree-ssa-alias.c: Include tree-ssa-structalias.h.
63         (compute_may_aliases): Call compute_points_to_sets.
64         (collect_points_to_info_for): Remove.
65         (compute_points_to_and_addr_escape): Remove.
66         (delete_alias_info): Call delete_points_to_sets.
67         (compute_flow_sensitive_aliasing): If the call to
68         find_what_p_points_to returns false, call set_pt_anything.
69         (add_may_alias): Set TREE_ADDRESSABLE when adding a new alias.
70         (set_pt_anything): Clear pi->pt_vars.
71         (set_pt_malloc): Remove.
72         (merge_pointed_to_info): Remove.
73         (add_pointed_to_expr): Remove.
74         (add_pointed_to_var): Remove.
75         (collect_points_to_info_r): Remove.
76         (is_escape_site): Make extern.
77         (create_sft): New.
78         (create_overlap_variables_for): Call it.
79         * tree-ssa-copy.c (merge_alias_info): Never merge
80         flow-sensitive alias information.
81         * tree-ssa-operands.c (get_expr_operands): Adjust variables
82         offset and size to be unsigned HOST_WIDE_INT.
83         (add_to_addressable_set): Rename from note_addressable.
84         Set TREE_ADDRESSABLE as the variables are added to the set.
85         Update all users.
86         (add_stmt_operand): Do not try to micro-optimize unmodifiable
87         operands into VUSEs when adding V_MAY_DEFs for members in an
88         alias set.
89         * tree-ssa-operands.h (add_to_addressable_set): Declare.
90         * tree-ssa-structalias.c: Include tree-ssa-structalias.h last.
91         (struct variable_info): Add bitfield is_heap_var.
92         (var_anyoffset, anyoffset_tree, anyoffset_id): Declare.
93         (new_var_info): Initialize is_heap_var.
94         (get_constraint_for): Add HEAP variables to the symbol table.
95         Mark them with is_heap_var.
96         (update_alias_info): New.  Taken mostly from the old
97         compute_points_to_and_addr_escape.
98         (handle_ptr_arith): New.
99         (find_func_aliases): Call update_alias_info.
100         Call handle_ptr_info for tcc_binary expressions.
101         Call mark_stmt_modified.
102         (create_variable_info_for): If DECL has subvars, do not create
103         variables for its subvars.  Always add all the fields.
104         (set_uids_in_ptset): If the solution includes ANYOFFSET and
105         SFTs, then add all the SFTs of the structure.
106         If VI->DECL is an aggregate with subvariables, add the SFT at
107         VI->OFFSET.
108         (find_what_p_points_to): If VI is an artificial variable,
109         translate to bitfields in SSA_NAME_PTR_INFO.
110         If the solution is empty, set pi->pt_vars to NULL
111         (init_base_vars): Create ANYOFFSET.
112         (compute_points_to_sets): Rename from create_alias_vars.
113         Make extern.
114         (pass_build_pta): Remove.
115         (delete_points_to_sets): Rename from delete_alias_vars.
116         (pass_del_pta): Remove.
117         * tree-ssa-structalias.h (struct alias_info): Move from
118         tree-ssa-alias.h.
119         (NUM_REFERENCES, NUM_REFERENCES_CLEAR, NUM_REFERENCES_INC,
120         NUM_REFERENCES_SET): Likewise.
121         (compute_points_to_sets, delete_points_to_sets): Declare.
122
123 2005-07-09  Richard Henderson  <rth@redhat.com>
124
125         * config/alpha/alpha.c (emit_insxl, alpha_expand_compare_and_swap_12,
126         alpha_split_compare_and_swap_12, alpha_expand_lock_test_and_set_12,
127         alpha_split_lock_test_and_set_12): New functions.
128         * config/alpha/alpha-protos.h: Update.
129         * config/alpha/alpha.md (UNSPEC_MB, UNSPEC_ATOMIC,
130         UNSPEC_CMPXCHG, UNSPEC_XCHG): Rename from UNSPECV_FOO.
131         * config/alpha/sync.md (I12MODE): New.
132         (memory_barrier, mb_internal): Use unspec instead of unspec_volatile.
133         (sync_<fetchop_name><I48MODE>): Likewise.
134         (sync_nand<I48MODE>): Likewise.
135         (sync_old_<fetchop_name><I48MODE>): Likewise.
136         (sync_new_<fetchop_name><I48MODE>): Likewise.
137         (sync_old_nand<I48MODE>, sync_new_nand<I48MODE>): Likewise.
138         (sync_compare_and_swap<I48MODE>): Likewise.
139         (sync_lock_test_and_set<I48MODE>): Likewise.
140         (sync_compare_and_swap<I12MODE>): New.
141         (sync_compare_and_swap<I12MODE>_1): New.
142         (sync_lock_test_and_set<I12MODE>): New.
143         (sync_lock_test_and_set<I12MODE>_1): New.
144
145 2005-07-09  Diego Novillo  <dnovillo@redhat.com>
146
147         PR 21356
148         PR 22332
149         * passes.c (execute_todo): Cleanup the CFG before updating SSA.
150
151 2005-07-09  Jakub Jelinek  <jakub@redhat.com>
152
153         * config/i386/i386.c (output_set_got): Don't omit OFFSET FLAT:
154         in Intel syntax add %reg, OFFSET FLAT:_GLOBAL_OFFSET_TABLE_+(.-.Lx).
155
156 2005-07-09  Richard SAndiford  <richard@codesourcery.com>
157
158         PR target/21656
159         * config/mips/elf.h (NO_IMPLICIT_EXTERN_C): Define.
160
161 2005-07-08  David Edelsohn  <edelsohn@gnu.org>
162
163         * config/rs6000/sync.md (load_locked_<mode>): Use Z for
164         memory_operand constraint.
165         (store_conditional_<mode>): Same.
166         (sync_compare_and_swap<mode>): Same.
167         (sync_lock_test_and_set<mode>): Same.
168
169 2005-07-08  Hans-Peter Nilsson  <hp@axis.com>
170
171         Rewrite PIC support to more closely model actual instructions.
172         * config/cris/cris-protos.h (cris_gotless_symbol, cris_got_symbol)
173         (cris_symbol): Remove prototypes for removed functions.
174         (cris_pic_symbol_type_of, cris_valid_pic_const)
175         (cris_expand_pic_call_address): Prototypes for new functions.
176         * config/cris/cris/cris.c (cris_pic_sympart_only): Remove unused
177         variable.
178         (cris_print_operand) <case 'v', 'P'>: Remove cases for unused
179         modifiers.
180         <case ':'>: Add case for new punctuation character.
181         <case 'd'>: Temporarily set flag_pic = 2 instead of incorrectly
182         emitting (extra) PIC modifier.
183         <case UNSPEC>: Do not assert for PLT.
184         (cris_initial_frame_pointer_offset, cris_simple_epilogue)
185         (cris_expand_prologue, cris_expand_epilogue): Check
186         for pic_offset_table_rtx usage instead of taking
187         current_function_uses_pic_offset_table as the final word.
188         (cris_rtx_costs, cris_address_cost, cris_side_effect_mode_ok):
189         Remove flag_pic difference.
190         (cris_valid_pic_const, cris_pic_symbol_type_of): New functions,
191         the moral equivalents of...
192         (cris_symbol, cris_gotless_symbol, cris_got_symbol): Remove
193         functions.
194         (cris_legitimate_pic_operand): Just call cris_valid_pic_const.
195         (cris_handle_option): Mark ARG as unused.
196         (cris_expand_pic_call_address): New worker function for "call",
197         "call_value".
198         (cris_asm_output_symbol_ref, cris_asm_output_label_ref): Do not
199         output PIC constructs here.
200         (cris_output_addr_const_extra): Changes for emitting PIC modifiers
201         as symbol-specific modifers, not whole or part of operands.
202         * config/cris/cris/cris.h (EXTRA_CONSTRAINT): Remove 'U' case.
203         (EXTRA_CONSTRAINT_S): Changed semantics: allow only CONST-wrapped
204         constants and flag_pic.
205         (CONSTANT_INDEX_P): Adjust for new functions.
206         (enum cris_pic_symbol_type): New helper type.
207         (PRINT_OPERAND_PUNCT_VALID_P): Add ':'.
208         * config/cris/cris/cris.md (CRIS_UNSPEC_GOTREL)
209         (CRIS_UNSPEC_GOTREAD, CRIS_UNSPEC_PLTGOTREAD): New
210         define_constants.
211         ("movsi"): Emit actual instructions for GOT and relative access.
212         ("*movsi_got_load"): New pattern to set up the register holding
213         the GOT pointer.
214         ("*movsi_internal"): Operand 1 is not a plain general_operand.
215         Adjust FIXME for 'S'.
216         <output for 'S' alternative>: Sanity-check UNSPEC types for PIC.
217         Use "movs" for -fpic cases.
218         ("addsi3"): Add alternative for 'S'; use adds.w when possible.
219         ("uminsi3","*expanded_call_value"): Remove 'S' alternative.
220         ("call", "call_value"): Just call cris_expand_pic_call_address for
221         PIC addresses.
222         ("*expanded_call_no_gotplt", "*expanded_call_value_no_gotplt"):
223         Remove special pattern.
224         ("*expanded_call_side", "*expanded_call_value_side"): New
225         patterns.
226         (gotplt-to-plt, gotplt-to-plt-side-call)
227         (gotplt-to-plt-side-call-value, gotplt-to-plt-side): New
228         peephole2:s.
229         * config/cris/cris/predicates.md
230         ("cris_general_operand_or_gotless_symbol"): Remove unused
231         predicate.
232         ("cris_general_operand_or_symbol"): Adjust for new functions.
233
234 2005-07-08  Andrew Pinski  <pinskia@physics.uc.edu>
235
236         * config/darwin.h (TARGET_C99_FUNCTIONS): Define to 1.
237
238 2005-07-08  Daniel Berlin  <dberlin@dberlin.org>
239
240         * Makefile.in (TREE_H): Add treestruct.def.
241         (c-decl.o): Add pointer-set.h
242         * c-decl.c (diagnose_mismatched_decls): Don't attempt to look at
243         visibility on regular DECL's.
244         (merge_decls): Fix the copying of decl nodes of various types for
245         the new structures.  Don't update RTL, section name, weak status,
246         etc, on DECL's without RTL.     
247         (grokdeclarator): DECL_ARG_TYPE_AS_WRITTEN is gone.
248         Don't check volatile on non-variable types.
249         (store_parm_decls_oldstyle): Use pointer_set instead of DECL_WEAK
250         to check whether we have seen arguments.
251         * c-objc-common.c (c_tree_printer): Reverse order of tests so that
252         flag is checked before field (flag is common, field is not).    
253         * dwarf2out.c (decl_ultimate_origin):  Only DECL's with
254         TS_DECL_COMMON could have an origin.
255         (add_location_or_const_value_attribute): Don't check section name
256         on non-var/function decls.
257         (dwarf2out_var_location): Reverse order of tests.
258         * emit-rtl.c (set_reg_attrs_for_parm): DECL_CHECK is dead, replace
259         with DECL_WRTL_CHECK.
260         * expmed.c (make_tree): rtl is now in decl_with_rtl.
261         * fold-const.c (fold_binary): Don't check weakness on
262         non-var/function decls.
263         (tree_expr_nonzero_p): Ditto.
264         (fold_checksum_tree): Use tree_decl_extra as sizeof
265         buffer.
266         * ggc-page.c (extra_order_size_table): Add sizes for
267         tree_decl_non_common, tree_parm_decl,  tree_var_decl, and
268         tree_field_decl.
269         * gimplify.c (gimplify_bind_expr): Only set
270         DECL_SEEN_IN_BIND_EXPR_P on VAR_DECL.
271         * integrate.c (copy_decl_for_inlining): Don't set RTL on decl's
272         without RTL.
273         * langhooks-def.h (LANG_HOOK_INIT_TS): New.
274         * langhooks.h (init_ts). New langhook.
275         * passes.c (rest_of_decl_compilation): Reverse order of tests.
276         * print-tree.c (print_node): Update to only print fields that
277         exist in the structures the passed decl has.
278         * toplev.c (wrapup_global_declarations): Don't reset
279         DECL_DEFER_OUTPUT on DECL's that don't contain it.
280         * tree-browser.c (browse_tree): DECL_ARG_TYPE_AS_WRITTEN removed.
281         * tree-inline.c (remap_decl): Ditto.
282         * tree-outof-ssa.c (create_temp): Reverse order of tests.
283         * tree-pretty-print.c (print_declaration): Don't print
284         DECL_REGISTER on things that don't contain it.
285         * tree-vrp.c (expr_computes_nonzero): Don't check weakness on
286         non-var/function decls.
287         * tree.c (tree_contains_struct): New structure.
288         (init_priority_for_decl): New hashtable.
289         (tree_int_map): New structure.
290         (tree_int_map_eq): New function.
291         (tree_int_map_marked_p): Ditto.
292         (tree_int_map_hash): Ditto.
293         (tree_map): Move to tree.h.
294         (tree_map_eq): Externalize.
295         (tree_map_hash): Ditto.
296         (tree_map_marked_p): Ditto.
297         (init_ttree): Set up tree_contains_struct and call langhook.
298         (decl_assembler_name): Use DECL_NON_COMMON_CHECK..
299         (tree_code_size): Update for new structures.
300         (tree_node_structure): Update for new structures.
301         (make_node_stat): Don't try to set DECL_IN_SYSTEM_HEADER on decls
302         without the field.
303         (copy_node_stat):  Copy init priority.
304         (build_decl_stat): Ditto for visibility.
305         (ts_enum_names): New.
306         (tree_contains_struct_check_failed): New function.
307         (decl_init_priority_lookup): Ditto.
308         (decl_init_priority_insert): Ditto.
309         * treestruct.def: New file.
310         * tree.h (CODE_CONTAINS_STRUCT): New macro.
311         (CONTAINS_STRUCT_CHECK): Ditto.
312         (tree_contains_struct_check_failed): New prototype.
313         (DECL_CHECK): Removed.
314         (DECL_MINIMAL_CHECK): New.
315         (DECL_COMMON_CHECK): Ditto.
316         (DECL_WRTL_CHECK): Ditto.
317         (DECL_NON_COMMON_CHECK): Ditto.
318         (DECL_WITH_VIS_CHECK): Ditto.
319         (VAR_OR_FUNCTION_DECL_P): Ditto
320         (struct tree_decl_minimal): New structure.
321         (struct tree_decl_common): Ditto.
322         (struct tree_decl_with_rtl): Ditto.
323         (struct tree_decl_with_vis): Ditto.
324         (struct tree_decl_non_common): Ditto.
325         (struct tree_field_decl): Ditto.
326         (struct tree_parm_decl): Ditto.
327         (struct tree_var_decl): Ditto.
328         (struct tree_function_decl): Ditto.
329         (struct tree_const_decl): Ditto.
330         (struct tree_result_decl): Ditto.
331         (union tree_node): Add new structures.
332         * var-tracking.c (track_expr_p): Reverse order of tests.
333         
334         * doc/c-tree.texi: Add documentation on DECL node internal structure.
335
336 2005-07-08  Kazu Hirata  <kazu@codesourcery.com>
337
338         * cfgexpand.c (tree_expand_cfg): Don't use FINALIZE_PIC.
339         * system.h: Poison FINALIZE_PIC.
340         * doc/tm.texi (FINALIZE_PIC): Remove.
341
342 2005-07-08  Andrew Pinski  <pinskia@physics.uc.edu>
343
344         PR tree-opt/22329
345         * tree-ssa-propagate.c (fold_predicate_in): Convert the value
346         to the correct type if we have a MODIFY_EXPR.
347
348 2005-07-08  Kazu Hirata  <kazu@codesourcery.com>
349
350         PR tree-optimization/22360
351         * tree.c (upper_bound_in_type): Fix calculations for casting
352         to a non-wider signed type and casting a signed value to a
353         wider unsigned type.
354         (lower_bound_in_type): Fix calculations for casting to a
355         non-wider signed type.
356
357         PR tree-optimization/20139
358         * tree-cfg.c (remove_bb): Check in_ssa_p before calling
359         release_defs.
360         * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Call
361         fold_cond_expr_cond.
362         * tree-ssanames.c (release_defs): Assert in_ssa_p.
363         * tree.c (upper_bound_in_type, lower_bound_in_type): Rewrite.
364
365 2005-07-08  Andrew Pinski  <pinskia@physics.uc.edu>
366
367         PR tree-opt/22356
368         * tree-complex.c (expand_complex_libcall): Produce
369         REALPART_EXPR/IMAGPART_EXPR with the correct type.
370
371 2005-07-08  Kenneth Zadeck <zadeck@naturalbridge.com>
372
373         * bitmap.c (bitmap_and, bitmap_and_into, bitmap_and_compl,
374         bitmap_and_compl_into, bitmap_xor, bitmap_xor_into): Removed "a !=
375         b" assert and inserted fastpath code for this case.
376         (bitmap_ior): Removed "a != b" assert.
377
378 2005-07-08  Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
379
380         * config/m32r/linux.h (STARTFILE_SPEC): Support PIE.
381         (ENDFILE_SPEC): Likewise.
382         * config/m32r/m32r.h (ASM_SPEC): Likewise.
383
384         * config/m32r/m32r.c (m32r_output_function_epilogue): Care for
385         a large stack frame at epilogue.
386
387 2005-07-08  David Billinghurst  <David.Billinghurst@riotinto.com>
388
389         * final.c: Include sdbout.h when required.
390
391 2005-07-07  Geoffrey Keating  <geoffk@apple.com>
392
393         * config.gcc (*-*-darwin*): Only one target-specific header file
394         for generic darwin.
395         (powerpc-*-darwin*): Add version-specific header files.
396         * configure.in (gcc_AC_CHECK_DECLS): Add strverscmp.
397         * config.in: Regenerate.
398         * configure: Regenerate.
399         * gcc.c: Include xregex.h.
400         (version_compare_spec_function): New.
401         (spec_function): Add version-compare.
402         (replace_outfile_spec_function): Reformat comment.
403         (compare_version_strings): New.
404         * config/darwin-c.c (version_as_macro): New.
405         (builtin_define): New.
406         (darwin_cpp_builtins): New.
407         * config/darwin-protos.h (darwin_cpp_builtins): New.
408         * config/darwin.h (CPP_SPEC): Don't define APPLE_CC here.
409         (LIB_SPEC): Make unconditional, update comment.
410         (TARGET_C99_FUNCTIONS): Define.
411         * config/darwin.opt: Sort.
412         (mmacosx-version-min=): New.
413         * config/darwin7.h: Delete.
414         * config/darwin8.h: Delete.
415         * config/i386/darwin.h (): Call darwin_cpp_builtins.
416         * config/rs6000/darwin.h (): Call darwin_cpp_builtins.
417         (TARGET_C99_FUNCTIONS): Define.
418         * config/rs6000/darwin7.h: New.
419         * config/rs6000/darwin8.h: New.
420         * doc/invoke.texi (Darwin Options): Add -mmacosx-version-min=
421         (-mmacosx-version-min): Document.
422
423 2005-07-07  Ian Lance Taylor  <ian@airs.com>
424
425         * config/mips/mips.md (abs<mode>2) [GPR]: Remove.
426
427 2005-07-07  John David Anglin  <dave.anglin@nrc-crc.gc.ca>
428
429         PR middle-end/22239
430         * loop.c (loop_givs_rescan): Check that v->new_reg is a REG.
431
432 2005-07-07  Khem Raj  <kraj@mvista.com>
433
434         * config/arm/arm.c (thumb_output_function_prologue): Calculate offset
435         in bytes, not words.
436
437 2005-07-07  Paul Brook  <paul@codesourcery.com>
438
439         * config/arm/arm.c (arm_pad_arg_upward): Compare return value of
440         DEFAULT_FUNCTION_ARG_PADDING to upward.
441
442 2005-07-07  Richard Henderson  <rth@redhat.com>
443
444         * function.c (locate_and_pad_parm): Record parameter alignment in
445         stack_alignment_needed.
446
447 2005-07-07  David Edelsohn  <edelsohn@gnu.org>
448
449         * config/rs6000/rs6000.md (UNSPEC_SYNC, UNSPEC_SYNC_OP,
450         UNSPEC_SYNC_SWAP, UNSPEC_LWSYNC, UNSPEC_ISYNC): Delete.
451         (UNSPECV_LL, UNSPECV_SC, UNSPECV_ATOMIC, UNSPECV_SYNC,
452         UNSPECV_SYNC_OP, UNSPECV_CMPXCHG, UNSPECV_LWSYNC, UNSPECV_ISYNC): New.
453         (define_attr "type"): Add isync, sync, load_l, store_c.
454         * config/rs6000/sync.md (memory_barrier): Change to define_expand.
455         Create scratch volatile MEM.
456         (sync_internal): New.  POWER mnemonic is dcs, not ics.  Attribute
457         sync.
458         (load_locked_<mode>): New.
459         (store_conditional_<mode>): New.
460         (sync_compare_and_swap<mode>): Replace with splitter.
461         (sync_lock_test_and_set<mode>): Replace with splitter.
462         (sync_<fetchop><mode>): Change to unspec_volatile UNSPECV_SYNC_OP
463         and UNSPECV_ISYNC.
464         (isync): Change to unspec_volatile UNSPECV_ISYNC.  POWER mnemonic
465         is ics.  Attribute isync.
466         (lwsync): Change to unspec_volatile UNSPECV_LWSYNC.  Attribute
467         lwsync.
468         * config/rs6000/rs6000.c (rs6000_emit_sync): Use UNSPEC_VOLATILE
469         and UNSPECV_SYNC_OP.
470         (emit_unlikely_jump): New.
471         (emit_load_locked): New.
472         (emit_store_conditional): New.
473         (rs6000_split_compare_and_swap): New.
474         (rs6000_split_lock_test_and_set): New.
475         (is_dispatch_slot_restricted): Return 4 for TYPE_LOAD_L,
476         TYPE_STORE_C, TYPE_ISYNC, TYPE_SYNC.
477         * config/rs6000/rs6000-protos.h (rs6000_split_compare_and_swap,
478         rs6000_split_lock_test_and_set): Declare.
479         * config/rs6000/{40x.md,440.md,603.md,6xx.md,7450.md,7xx.md,8540.md,
480         mpc.md,power4.md,power5.md,rios1.md,rios2.md,rs64.md): Add load_l,
481         store_c, isync, sync.
482
483 2005-07-07  Kelley Cook  <kcook@gcc.gnu.org>
484
485         * Makefile.in (echo_quoted_to_gtyp): New template for outputing
486         filenames to gtyp-gen.h.
487         (s-typ-gen): Use it in place of for loops.
488
489 2005-07-07  J"orn Rennecke <joern.rennecke@st.com>
490
491         * hooks.c (hook_bool_rtx_int_false): New function.
492         * hooks.h (hook_bool_rtx_int_false): Declare.
493         * target-def.h (TARGET_COMMUTATIVE_P): Define.
494         (TARGET_INITIALIZER): Add TARGET_COMMUTATIVE_P.
495         * target.h (struct gcc_target): Add commutative_p member.
496         * targhooks.c (hook_bool_rtx_commutative_p): New function.
497         * targhooks.h (hook_bool_rtx_commutative_p): Declare.
498         * pa.c (TARGET_COMMUTATIVE_P): Redefine.
499         (pa_commutative_p): New function.
500         * jump.c (target.h): Include.
501         (rtx_renumbered_equal_p): Use targetm.commutative_p.
502         * doc/tm.texi: Document TARGET_COMMUTATIVE_P.
503
504 2005-07-07  Adrian Straetling  <straetling@de.ibm.com>
505
506         * config/s390/s390-protos.h (s390_expand_clrmem): Delete.
507         (s390_expand_setmem): New.
508         * config/s390/s390.c: Likewise. 
509         (print_shift_count_operand): Truncate to 12 bits instead of 6.
510         Adapt comments.
511         * config/s390/s390.md: ("setmem<mode>"): Accept character as
512         general_operand.  Call new function "s390_expand_setmem".
513         ("clrmem_long", "*clrmem_long"): Rewrite to ...
514         ("setmem_long", "*setmem_long"): ... this.
515
516 2005-07-07  Adrian Straetling  <straetling@de.ibm.com>
517         
518         * config/s390/s390.c: (optimization_options): Enable
519         TARGET_MVCLE at -Os.
520         * doc/invoke.texi: Document changes in default behaviour.
521         * config/s390/s390.opt: ("mvcle"): Fix typo: is "mmvcle".
522
523 2005-07-07  Adrian Straetling  <straetling@de.ibm.com>
524
525         * expr.c: (set_storage_via_setmem): Convert opchar to mode
526         defined by back-end.
527
528 2005-07-07  Jakub Jelinek  <jakub@redhat.com>
529
530         * config/sparc/sparc.md (stack_protect_testsi): Put clobbers after
531         all sets in the pattern.
532         * config/rs6000/rs6000.md (stack_protect_testsi,
533         stack_protect_testdi): Likewise.
534
535 2005-07-06  Jeff Law  <law@redhat.com>
536
537         * tree-vrp.c (simplify_using_ranges): Kill.
538         (vrp_finalize): Remove call to simplify_using_ranges.
539         (simplify_stmt_using_ranges): New function extracted from
540         simplify_using_ranges.
541         (simplify_div_or_mod_using_ranges): Likewise.
542         (simplify_abs_using_ranges): Likewise.
543         (simplify_cond_using_ranges): New function.
544         * tree-flow.h (simplify_stmt_using_ranges): Prototype.
545         * tree-ssa-propagate.c (substitute_and_fold): Call
546         simplify_stmt_using_ranges if we have range information.
547
548 2005-07-06  James E. Wilson  <wilson@specifixinc.com>
549
550         * config/ia64/ia64.c (ia64_reorg): Check optimize before
551         ia64_flag_schedule_isns2.
552
553         * config/ia64/ia64.c (ia64_expand_movxf_movrf): Don't word swap when
554         reading/writing general registers.
555         (ia64_function_arg): Revert 2005-06-18 change.
556
557 2005-07-06  John David Anglin  <dave.anglin@nrc-crnc.gc.ca>
558
559         * pa.c (legitimize_pic_address): Use gcc_assert instead of abort.
560         (legitimize_tls_address): Use gcc_unreachable instead of abort.
561
562 2005-07-06  Kaz Kojima  <kkojima@gcc.gnu.org>
563
564         * function.c (expand_function_end): Revert part of 2005-06-27
565         patch.  Do sjlj_emit_function_exit_after after return_label.
566
567 2005-07-06  Kazu Hirata  <kazu@codesourcery.com>
568
569         * doc/install.texi (--disable-libssp): New.
570
571 2005-07-06  Fariborz Jahanian <fjahanian@apple.com>
572
573         * doc/invoke.texi: Update -fforce-mem documentation.
574         * dojump.c (compare_from_rtx,do_compare_rtx_and_jump): Remove 
575         code for -fforce-mem.
576         * expmed.c: (store_bit_field,store_fixed_bit_field,
577         extract_bit_field): Ditto.
578         * expr.c: (convert_move): Ditto.
579         * optabs.c: (expand_binop,expand_twoval_unop,expand_twoval_binop,
580         expand_unop,emit_unop_insn,prepare_cmp_insn,emit_conditional_move,
581         emit_conditional_add,expand_float,expand_fix): Ditto.
582         * opts.c: (decode_options): Remove setting of flag_force_mem flag.
583         (common_handle_option): Issue warning when -fforce-mem specified.
584
585 2005-07-06  Paul Brook  <paul@codesourcery.com>
586
587         * aclocal.m4: Work around a bug in AC_PATH_PROGS when its last
588         argument is empty.
589         * configure: Regenerate.
590
591 2005-07-06  J"orn Rennecke <joern.rennecke@st.com>
592
593         * sh.c (final_prescan_insn): Undo bogus change from 2005-05-09.
594
595 2005-07-06  Daniel Berlin  <dberlin@dberlin.org>
596
597         Fix PR tree-optimization/22319
598         Fix PR tree-optimization/22140
599         Fix PR tree-optimization/22310
600
601         * tree-ssa-structalias.c (do_structure_copy): Give up earlier on
602         variable sized types.
603         Use correct type for intermediate structure on *a = *b structure
604         copies.
605                 
606 2005-07-06  Jakub Jelinek  <jakub@redhat.com>
607
608         * config/rs6000/rs6000.h (RS6000_VARARGS_AREA, RS6000_VARARGS_SIZE):
609         Remove.
610         (STARTING_FRAME_OFFSET): Don't add RS6000_VARARGS_AREA.
611         (machine_function): Move typedef to...
612         * config/rs6000/rs6000.c (machine_function): ... here.  Add
613         varargs_save_offset field.
614         (rs6000_stack_t): Remove varargs_size field.
615         (setup_incoming_varargs): Allocate varargs save area using
616         assign_stack_local, try to make it as small as possible.
617         Save offset from virtual_stack_vars_rtx to the save area
618         in cfun->machine->varargs_save_offset.  Use UNITS_PER_FP_WORD
619         instead of magic 8 when fp word byte size is used.
620         (rs6000_va_start): Use cfun->machine->varargs_save_offset
621         instead of -RS6000_VARARGS_SIZE.
622         (rs6000_stack_info, debug_stack_info,
623         rs6000_initial_elimination_offset): Remove all traces of
624         varargs_size.
625         * config/rs6000/sysv4.h (RS6000_VARARGS_AREA): Remove.
626         * config/rs6000/darwin.h (STARTING_FRAME_OFFSET): Don't add
627         RS6000_VARARGS_AREA.
628
629 2005-07-06  Zdenek Dvorak  <dvorakz@suse.cz>
630
631         PR tree-optimization/21963
632         * tree-ssa-loop-ivopts.c (get_computation_aff): Use
633         constant_multiple_of in the same way get_computation_cost_at does.
634
635 2005-07-06  Jakub Jelinek  <jakub@redhat.com>
636
637         * config/sparc/sparc.h (sparc_compare_emitted): New extern.
638         * config/sparc/sparc.c (sparc_compare_emitted): New variable.
639         (gen_compare_reg): If sparc_compare_emitted is set, clear it
640         and return its previous value.
641         (emit_v9_brxx_insn): Assert sparc_compare_emitted is NULL.
642         * config/sparc/sparc.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): New
643         constants.
644         (stack_protect_set, stack_protect_test): New expanders.
645         (stack_protect_setsi, stack_protect_setdi, stack_protect_testsi,
646         stack_protect_testdi): New insns.
647         * config/sparc/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
648         * config/sparc/linux64.h (TARGET_THREAD_SSP_OFFSET): Define.
649
650 2005-07-06  Jeff Law  <law@redhat.com>
651
652         * tree-ssa-dce.c (cfg_altered): New global.
653         (tree_dce_init): Initialize cfg_altered.
654         (remove_dead_stmt): If we remove an edge in the CFG, then set
655         CFG_ALTERED.
656         (perform_tree_ssa_dce): If we altered the CFG, then invalidate
657         the dominators.
658
659 2005-07-06  Kazu Hirata  <kazu@codesourcery.com>
660
661         * Makefile.in (stamp-collect-ld): Use
662         $(ORIGINAL_LD_FOR_TARGET) instead of $<.  Don't remove
663         ./collect-ld if it already exists.
664         (stamp-nm): Use $(ORIGINAL_NM_FOR_TARGET) instead of $<.
665         Don't remove ./nm if it already exists.
666
667 2005-07-05  Devang Patel  <dpatel@apple.com>
668
669         * tree-vectorizer.h (struct _loop_vec_info): Remove loop_line_number.
670         (LOOP_VINFO_LOC, LOOP_LOC): Remove.
671         * tree-vectorizer.c (vect_loop_location): New.
672         (vect_print_dump_info): Use vect_loop_location.
673         (new_loop_vec_info): Do not set LOOP_VINFO_LOC.
674         (vectorize_loops): Set vect_loop_location.
675         * tree-vect-analyze.c (vect_analyze_offset_expr, 
676         vect_determin_vectorization_factor, vect_analyze_operations,
677         vect_analyze_scalar_cycles, vect_analyze_data_ref_dependence,
678         vect_analyze_data_ref_dependences, vect_compute_data_ref_alignment,
679         vect_analyze_data_refs_alignment, vect_analyze_data_ref_access,
680         vect_analyze_data_ref_accesses, vect_analyze_pointer_ref_access,
681         vect_object_analysis, vect_analyze_data_refs, vect_mark_relevant,
682         vect_stmt_relevant_p, vect_mark_stmts_to_be_vectorized,
683         vect_can_advance_ivs_p, vect_get_loop_niters, vect_analyze_loop_form,
684         vect_analyze_loop): Adjust vect_print_dump_info API.
685         * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
686         vect_create_data_ref_ptr, vect_init_vector, vect_get_vec_def_for_operand,
687         vect_finish_stmt_generation, vectorizable_assignment, 
688         vectorizable_operation, vectorizable_store, vectorizable_load, 
689         vectorizable_live_operation, vectorizable_condition, vect_transform_stmt,
690         vect_update_ivs_after_vectorizer, vect_do_peeling_for_loop_bound,
691         vect_gen_ninters_for_prolog_loop, vect_do_peeling_for_alignment,
692         vect_transform_loop): Same.
693         * tree-vectorizer.c (get_vectype_for_scalar_type, vect_is_simple_use,
694         vect_is_simple_reduction, vect_is_simple_iv_evolution, vectorize_loops):
695         Same.
696
697 2005-07-05  Randolph Chung  <tausq@debian.org>
698
699         * configure.ac (hppa*-*-linux*: Check for a TLS capable gas.
700         * configure: Regenerate.
701         * config/pa/pa-protos.h (tls_symbolic_operand): Declare.
702         (pa_tls_referenced_p): Declare.
703         * config/pa/pa.c (legitimize_pic_address): Reject TLS operands.
704         (gen_tls_tga, gen_tls_get_addr, hppa_tls_call): New.
705         (legitimize_tls_address): New.
706         (hppa_legitimize_address): Handle TLS addresses.
707         (pa_tls_symbol_ref_1, pa_tls_referenced_p): New.
708         (TARGET_CANNOT_FORCE_CONST_MEM): Define.
709         (emit_move_sequence): Handle TLS addresses.
710         (pa_encode_section_info): Call default handler to handle common 
711         sections.
712         * config/pa/pa.h (PA_SYMBOL_REF_TLS_P): New.
713         (CONSTANT_ADDRESS_P): Reject TLS operands.
714         (TARGET_HAVE_TLS) [HAVE_AS_TLS]: Define.
715         * config/pa/pa.md (UNSPEC_TP, UNSPEC_TLSGD, UNSPEC_TLSLDM)
716         (UNSPEC_TLSLDO, UNSPEC_TLSLDBASE, UNSPEC_TLSIE)
717         (UNSPEC_TLSLE): Define new constants. 
718         (tgd_load, tld_load, tld_offset_load, tp_load, tie_load, tle_load): New.
719         * config/pa/predicates.md (symbolic_operand): Reject TLS operands.
720         (tls_symbolic_operand, tgd_symbolic_operand, tld_symbolic_operand)
721         (tie_symbolic_operand, tle_symbolic_operand): New
722
723 2005-07-06  Kelley Cook  <kcook@gcc.gnu.org>
724
725         * aclocal.m4: Update macros for autoconf 2.59 style.
726         * configure.ac: Likewise.
727
728 2005-07-05  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
729
730         * pa.c (function_value): Handle small aggregates on 32-bit targets.
731         (function_arg): Pass small aggregates in general registers on 32-bit
732         targets.
733         * som.h (MEMBER_TYPE_FORCES_BLK): Delete define.
734
735 2005-07-05  Andrew Pinski  <pinskia@physics.uc.edu>
736
737         * Makefile.in (final.o): Fix dependencies.
738
739 2005-07-05  Joseph S. Myers  <joseph@codesourcery.com>
740
741         PR c/22013
742         PR c/22098
743         * langhooks.h (struct lang_hooks): Add expr_to_decl.
744         * langhooks.c (lhd_expr_to_decl): New.
745         * langhooks-def.h (lhd_expr_to_decl, LANG_HOOKS_EXPR_TO_DECL):
746         New.
747         (LANG_HOOKS_INITIALIZER): Update.
748         * tree.c (recompute_tree_invarant_for_addr_expr): Call
749         expr_to_decl langhook.
750         * c-tree.h (c_expr_to_decl): Declare.
751         * c-typeck.c (c_expr_to_decl): New.
752         (build_unary_op): Do not handle ADDR_EXPR of COMPOUND_LITERAL_EXPR
753         specially.
754         * c-objc-common.h (LANG_HOOKS_EXPR_TO_DECL): Define.
755
756 2005-07-05  Joseph S. Myers  <joseph@codesourcery.com>
757
758         PR c/22308
759         * c-decl.c (finish_struct): Also copy C_TYPE_FIELDS_READONLY,
760         C_TYPE_FIELDS_VOLATILE and C_TYPE_VARIABLE_SIZE to type variants.
761
762 2005-07-05  Paolo Bonzini  <bonzini@gnu.org>
763
764         * Makefile.in: Adjust dependencies.
765         * tree-pass.h: Add new passes and passes formerly in tree-optimize.c.
766         * basic-block.h (duplicate_computed_gotos): Remove, it is now static.
767         * alias.c (rest_of_handle_cfg, pass_cfg): New.
768         * bb-reorder.c (duplicate_computed_gotos): Make it static.
769         * cfgexpand.c (tree_expand_cfg): Add code formerly at the beginning of
770         rest_of_compilation.
771
772         * bb-reorder.c (gate_duplicate_computed_gotos,
773         pass_duplicate_computed_gotos, gate_handle_reorder_blocks,
774         rest_of_handle_reorder_blocks, pass_reorder_blocks,
775         gate_handle_partition_blocks, rest_of_handle_partition_blocks,
776         pass_partition_blocks): New.
777         * bt-load.c (gate_handle_branch_target_load_optimize,
778         rest_of_handle_branch_target_load_optimize,
779         pass_branch_target_load_optimize): New.
780         * cfgcleanup.c (rest_of_handle_jump, pass_jump, rest_of_handle_jump2,
781         pass_jump2): New.
782         * cfglayout.c (pass_insn_locators_initialize): New.
783         * cfgrtl.c (pass_free_cfg): New.
784         * combine.c (gate_handle_combine, rest_of_handle_combine,
785         pass_combine): New.
786         * cse.c (gate_handle_cse, rest_of_handle_cse, pass_cse,
787         gate_handle_cse2, rest_of_handle_cse2, pass_cse2): New.
788         * emit-rtl.c (pass_unshare_all_rtl, pass_remove_unnecessary_notes): New.
789         * except.c (pass_set_nothrow_function_flags,
790         pass_convert_to_eh_region_ranges, gate_handle_eh, rest_of_handle_eh,
791         pass_rtl_eh): New.
792         * final.c (pass_compute_alignments, rest_of_handle_final, pass_final,
793         rest_of_handle_shorten_branches, pass_shorten_branches,
794         rest_of_clean_state, pass_clean_state): New.
795         * flow.c (pass_recompute_reg_usage, gate_remove_death_notes,
796         rest_of_handle_remove_death_notes, pass_remove_death_notes,
797         rest_of_handle_life, pass_life, rest_of_handle_flow2,
798         pass_flow2): New.
799         * function.c (pass_instantiate_virtual_regs, pass_init_function,
800         rest_of_handle_check_leaf_regs, pass_leaf_regs): New.
801         * gcse.c (gate_handle_jump_bypass, rest_of_handle_jump_bypass,
802         pass_jump_bypass, gate_handle_gcse, rest_of_handle_gcse,
803         pass_gcse): New.
804         * global.c (rest_of_handle_global_alloc, pass_global_alloc): New.
805         * ifcvt.c (gate_handle_if_conversion, rest_of_handle_if_conversion,
806         pass_rtl_ifcvt, gate_handle_if_after_combine,
807         rest_of_handle_if_after_combine, pass_if_after_combine,
808         gate_handle_if_after_reload, rest_of_handle_if_after_reload,
809         pass_if_after_reload): New.
810         * integrate.c (pass_initial_value_sets): New.
811         * jump.c (pass_cleanup_barriers, purge_line_number_notes,
812         pass_purge_lineno_notes): New.
813         * mode-switching.c (rest_of_handle_mode_switching,
814         pass_mode_switching): New.
815         * local-alloc.c (rest_of_handle_local_alloc, pass_local_alloc): New.
816         * loop-init.c (gate_handle_loop2, rest_of_handle_loop2,
817         pass_loop2): New.
818         * loop.c (gate_handle_loop_optimize, rest_of_handle_loop_optimize,
819         pass_loop_optimize): New.
820         * modulo-sched.c (gate_handle_sms, rest_of_handle_sms,
821         pass_sms): New.
822         * postreload-gcse.c (gate_handle_gcse2, rest_of_handle_gcse2,
823         pass_gcse2): New.
824         * postreload.c (gate_handle_postreload, rest_of_handle_postreload,
825         pass_postreload_cse): New.
826         * profile.c (gate_handle_profiling, pass_profiling,
827         rest_of_handle_branch_prob, pass_branch_prob): New.
828         * recog.c (pass pass_split_for_shorten_branches, gate_do_final_split, 
829         pass_split_before_regstack, gate_handle_split_before_regstack,
830         gate_handle_peephole2, rest_of_handle_peephole2, pass_peephole2,
831         rest_of_handle_split_all_insns, pass_split_all_insns): New.
832         * reg-stack.c (gate_handle_stack_regs, rest_of_handle_stack_regs,
833         pass_stack_regs): New.
834         * regmove.c (gate_handle_regmove, rest_of_handle_regmove, pass_regmove,
835         gate_handle_stack_adjustments, rest_of_handle_stack_adjustments,
836         pass_stack_adjustments): New.
837         * regrename.c (gate_handle_regrename, rest_of_handle_regrename,
838         pass_regrename): New.
839         * reorg.c (gate_handle_delay_slots, rest_of_handle_delay_slots,
840         pass_delay_slots, gate_handle_machine_reorg,
841         rest_of_handle_machine_reorg, pass_machine_reorg): New.
842         * rtl.h (extern void purge_line_number_notes): New.
843         * sched-rgn.c (gate_handle_sched, rest_of_handle_sched,
844         gate_handle_sched2, rest_of_handle_sched2, pass_sched,
845         pass_sched2): New.
846         * tracer.c (gate_handle_tracer, rest_of_handle_tracer,
847         pass_tracer): New.
848         * value-prof.c (gate_handle_value_profile_transformations,
849         rest_of_handle_value_profile_transformations,
850         pass_value_profile_transformations): New.
851         * var-tracking.c (gate_handle_var_tracking,
852         pass_variable_tracking): New.
853         * web.c (gate_handle_web, rest_of_handle_web, pass_web): New.
854
855         * passes.c (open_dump_file, close_dump_file, rest_of_handle_final,
856         rest_of_handle_delay_slots, rest_of_handle_stack_regs,
857         rest_of_handle_variable_tracking, rest_of_handle_machine_reorg,
858         rest_of_handle_old_regalloc, rest_of_handle_regrename,
859         rest_of_handle_reorder_blocks, rest_of_handle_partition_blocks,
860         rest_of_handle_sms, rest_of_handle_sched, rest_of_handle_sched2,
861         rest_of_handle_gcse2, rest_of_handle_regmove,
862         rest_of_handle_tracer, rest_of_handle_if_conversion,
863         rest_of_handle_if_after_combine, rest_of_handle_if_after_reload,
864         rest_of_handle_web, rest_of_handle_branch_prob,
865         rest_of_handle_value_profile_transformations, rest_of_handle_cfg,
866         rest_of_handle_jump_bypass, rest_of_handle_combine,
867         rest_of_handle_life, rest_of_handle_cse, rest_of_handle_cse2,
868         rest_of_handle_gcse, rest_of_handle_loop_optimize,
869         rest_of_handle_loop2, rest_of_handle_branch_target_load_optimize,
870         rest_of_handle_mode_switching, rest_of_handle_jump,
871         rest_of_handle_eh, rest_of_handle_stack_adjustments,
872         rest_of_handle_flow2, rest_of_handle_jump2,
873         rest_of_handle_peephole2, rest_of_handle_postreload,
874         rest_of_handle_shorten_branches, rest_of_clean_state,
875         rest_of_compilation): Remove.
876
877         * cgraphunit.c (ipa_passes): Moved from tree-optimize.c.
878         * passes.c (dump_flags, in_gimple_form, all_passes,
879         all_ipa_passes, all_lowering_passes, register_one_dump_file,
880         register_dump_files, next_pass_1, last_verified, execute_todo,
881         execute_one_pass, execute_pass_list, execute_ipa_pass_list): Moved
882         from tree-optimize.c.
883         (init_optimization_passes): Moved from tree-optimize.c,
884         adding the RTL optimizations.
885         * tree-dump.h (dump_info_p, dump_flag): Moved from tree.h.
886         * tree-optimize.c (dump_flags, in_gimple_form, all_passes,
887         all_ipa_passes, all_lowering_passes, register_one_dump_file,
888         register_dump_files, next_pass_1, last_verified, execute_todo,
889         execute_one_pass, execute_pass_list, execute_ipa_pass_list,
890         init_tree_optimization_passes, ipa_passes): Delete.
891         * tree-pass.h (enum tree_dump_index): Moved from tree.h, removing
892         the RTL dumps.
893         (TDF_*, get_dump_file_name, dump_enabled_p, dump_initialized_p,
894         dump_begin, dump_end, dump_node, dump_switch_p, dump_flag_name): Moved
895         from tree.h.
896         (ipa_passes): Remove.
897         (all_passes, all_ipa_passes, all_lowering_passes): Now extern.
898         * tree.h (enum tree_dump_index, TDF_*, get_dump_file_name,
899         dump_enabled_p, dump_initialized_p, dump_begin, dump_end, dump_node,
900         dump_switch_p, dump_flag_name): Moved to tree-pass.h.
901         (dump_info_p, dump_flag): Moved to tree-dump.h.
902         
903         * Makefile.in: Adjust dependencies for tree-pretty-print.c,
904         cgraph.c, opts.c.
905         * passes.c (finish_optimization_passes): Use dump_begin
906         and dump_end, TDI_end.
907         (gate_rest_of_compilation): New.
908         (pass_rest_of_compilation): Use it.
909         (gate_postreload, pass_postreload): New.
910         * toplev.c (general_init): Rename init_tree_optimization_passes.
911         * toplev.h (init_tree_optimization_passes): Rename to
912         init_optimizations_passes.
913         * tree-dump.c (dump_flag): Make static.
914         (dump_files): Remove RTL dumps.
915         * tree-optimize.c (pass_all_optimizations, pass_early_local_passes,
916         pass_cleanup_cfg, pass_free_cfg_annotations,
917         pass_cleanup_cfg_post_optimizing, pass_free_datastructures,
918         pass_init_datastructures, pass_fixup_cfg): Make non-static.
919         * tree-pretty-print.c: Include tree-pass.h.
920         * cgraph.c: Include tree-dump.h.
921         
922 2005-07-04  Daniel Berlin  <dberlin@dberlin.org>
923
924         * tree-ssa-structalias.c (get_constraint_exp_from_ssa_var):
925         Only fall back to saying it points to readonly memory if
926         we can't do better.
927
928 2005-07-05  Kazuhiro Inaoka  <inaoka.kazuhiro@renesas.com>
929
930         * config/m32r/m32r-protos.h: Remove m32r_finalize_pic.
931         * config/m32r/m32r.c (m32r_compute_frame_size,
932         m32r_expand_prologue): Take current_function_profile into
933         account whenever we reference
934         current_function_uses_pic_offset_table.
935         (m32r_finalize_pic): Remove.
936         * config/m32r/m32r.h (FINALIZE_PIC): Likewise.
937
938 2005-07-05  Kazu Hirata  <kazu@codesourcery.com>
939
940         * Makefile.in (stamp-as): Use $(ORIGINAL_AS_FOR_TARGET)
941         instead of $<.  Don't remove ./as if it already exists.
942
943 2005-07-04  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
944
945         PR target/21723
946         * pa.md: Remove fcpy alternative from movhi and movqi patterns.
947         * pa32-regs.h (HARD_REGNO_NREGS): Return two floating point registers
948         for complex modes when generating code for PA 1.0.
949         (VALID_FP_MODE_P): New macro.
950         (HARD_REGNO_MODE_OK): Use VALID_FP_MODE_P.  Use non-overlapping register
951         sets for all general and floating point modes.  Align wide floating
952         point modes to even register boundaries to comply with architectural
953         requirements.
954         (CLASS_MAX_NREGS): Update to align with change to HARD_REGNO_NREGS.
955         * pa64-regs.h (HARD_REGNO_NREGS): Update comment and formatting.
956         (VALID_FP_MODE_P): New macro.
957         (HARD_REGNO_MODE_OK): Use VALID_FP_MODE_P.  Use non-overlapping register
958         sets for all general and floating point modes.  Align wide floating
959         point modes to even register boundaries to comply with architectural
960         requirements.
961
962 2005-07-04  Diego Novillo  <dnovillo@redhat.com>
963
964         * tree-dump.c (dump_files): Initialize dump number for .cgraph
965         to 0.
966
967 2005-07-04  Diego Novillo  <dnovillo@redhat.com>
968
969         * tree-ssa-structalias.c: Don't include expr.h.
970
971 2005-07-04  Diego Novillo  <dnovillo@redhat.com>
972
973         * tree-iterator.h (TSI_NEW_STMT, TSI_SAME_STMT): Fix
974         comments.
975
976 2005-07-04  Daniel Berlin  <dberlin@dberlin.org>
977
978         Fix PR tree-optimization/22279
979         
980         * tree-ssa-structalias.c (offset_overlaps_with_access): Use
981         correct operator.
982         
983 2005-07-04  J"orn Rennecke <joern.rennecke@st.com>
984
985         * sh.c (output_ieee_ccmpeq): Replace "\\;" with "\n\t".
986
987 2005-07-03  Joseph S. Myers  <joseph@codesourcery.com>
988
989         * bb-reorder.c, c-pch.c, c-pragma.c, c.opt, cfghooks.c, cfgloop.c,
990         cfgrtl.c, cgraphunit.c, config/c4x/c4x.c, config/cris/cris.c,
991         config/frv/frv.c, config/host-darwin.c, config/iq2000/iq2000.c,
992         config/lynx.h, config/m68k/m68k.c, config/pa/pa.c, config/sh/sh.h,
993         config/stormy16/stormy16.c, config/v850/v850.c,
994         config/vax/netbsd-elf.h, coverage.c, dwarf2out.c, emit-rtl.c,
995         except.c, gcc.c, tree-cfg.c, tree-eh.c, tree-ssa.c, xcoffout.c:
996         Avoid "." or "\n" at end of diagnostics and capital letters at
997         start of diagnostics.
998         * combine.c, cse.c: Don't translate dump file output.
999         * toplev.c (print_version): Only translate output if going to
1000         stderr.
1001
1002 2005-07-03  Kazu Hirata  <kazu@codesourcery.com>
1003
1004         * c-decl.c, tree-object-size.c, tree-vectorizer.c,
1005         config/arm/unwind-arm.c, config/arm/unwind-arm.h: Fix comment
1006         typos.
1007
1008 2005-07-03  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1009
1010         * pa.c (fix_range): Fix typo in comment.
1011
1012 2005-07-03  Kazu Hirata  <kazu@codesourcery.com>
1013
1014         * tree-vrp.c (extract_range_from_assert): Replace
1015         fold (build (...)) with fold_build2.
1016
1017 2005-07-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1018
1019         * c-format.c (gcc_gfc_format_type, gcc_gfc_flag_pairs,
1020         gcc_gfc_char_table, init_dynamic_gfc_info): New.
1021         (format_types_orig, handle_format_attribute): Add support for
1022         format "gcc_gfc".
1023
1024 2005-07-03  Gabriel Dos Reis  <gdr@integrable-solutions.net>
1025
1026         * varasm.c (assemble_variable): Fix format specifier thinko.
1027
1028 2005-07-03  Ira Rosen  <irar@il.ibm.com>
1029
1030         PR tree-optimization/22029 (and 22135)
1031         * tree-pretty-print.c (dump_generic_node): Check that the node is not
1032         a phi node before calling dump_vops.
1033
1034 2005-07-02  Gabriel Dos Reis  <gdr@integrable-solutions.net>
1035
1036         * tree-dump.h (dump_string_field): Declare.
1037         * tree-dump.c: Use it instead of dump_string.
1038         (dump_string_field): Make non-static.
1039
1040 2005-07-03  Kaz Kojima  <kkojima@gcc.gnu.org>
1041
1042         * config/sh/sh.c (sh_output_mi_thunk): Initialize and clean
1043         up the minimal CFG stuff always when optimize > 0.  Call
1044         split_all_insns_noflow in PIC case if needed.
1045
1046 2005-07-02  Gabriel Dos Reis  <gdr@integrable-solutions.net>
1047             Christian Ehrhardt <ehrhardt@mathematik.uni-ulm.de>
1048
1049         PR c++/18279
1050         * c-decl.c (c_write_global_declarations): Dump contents of
1051         external scope to.
1052         * tree-dump.c (dequeue_and_dump): Dump abstract origin of a decl.
1053         <TRY_FINALLY_EXPR>, <RETURN_EXPR>, <CASE_LABEL_EXPR>, <LABEL_EXPR>,
1054         <GOTO_EXPR>, <SWITCH_EXPR>: Add.
1055         (dump_enabled_p): Return TRUE if PHASE is TDI_all and any dump
1056         is enabled.
1057         
1058 2005-07-03  Joseph S. Myers  <joseph@codesourcery.com>
1059
1060         * c-common.h (GCC_DIAG_STYLE): Define.
1061         * c-tree.h (GCC_DIAG_STYLE): Do not define.  Change minimum GCC
1062         version for format checking to 4.1.
1063         * c-format.c: Include toplev.h after c-common.h.
1064         (enum format_type): Add gcc_tdiag_format_type.
1065         (gcc_tdiag_length_specs, gcc_tdiag_flag_pairs,
1066         gcc_tdiag_flag_specs, gcc_tdiag_char_table): New.
1067         (format_types_orig): Add gcc_tdiag.
1068         (init_dynamic_diag_info): Support gcc_tdiag formats.
1069         (handle_format_attribute): Likewise.
1070         * toplev.h (NO_FRONT_END_DIAG, ATTRIBUTE_GCC_FE_DIAG): Remove.
1071         (GCC_DIAG_STYLE): Default to __gcc_tdiag__.  Change minimum GCC
1072         version for format checking to 4.1.
1073         (warning0, warning, error, pedwarn, sorry): Use
1074         ATTRIBUTE_GCC_DIAG.
1075         * config/rs6000/rs6000.c (altivec_expand_builtin), varasm.c
1076         (finish_aliases_1): Do not use %qE.
1077         * config/arm/arm.c, config/i386/i386.c, config/mmix/mmix.c,
1078         config/pdp11/pdp11.c, stor-layout.c, tree-eh.c, tree-ssa.c:
1079         Correct format bugs.
1080         * config/v850/v850-protos.h (v850_output_aligned_bss): Change size
1081         parameter to unsigned HOST_WIDE_INT.
1082         * config/v850/v850.c (v850_output_aligned_bss): Likewise.
1083
1084 2005-07-02  David Edelsohn  <edelsohn@gnu.org>
1085
1086         PR middle-end/21742
1087         * expr.c (write_complex_part): Use adjust_address for MEM.
1088         (read_complex_part): Same.
1089
1090 2005-07-02  Daniel Berlin  <dberlin@dberlin.org>
1091
1092         Fix PR tree-optimization/22280
1093
1094         * tree-sra.c (generate_element_init): Remove useless loop.
1095
1096 2005-07-02  Richard Henderson  <rth@redhat.com>
1097
1098         * config/alpha/alpha.c (alpha_legitimize_address): Check for
1099         TLS_MODEL_NONE.
1100         (alpha_stdarg_optimize_hook): Use DECL_UID with va_list_vars.
1101
1102 2005-07-02  Andrew Pinski  <pinskia@physics.uc.edu>
1103
1104         PR middle-end/14490
1105         * fold-const.c (fold_binary): Handle the return value of
1106         fold_to_nonsharp_ineq_using_bound if we get back the same operand back.
1107         Implement "X +- C1 CMP C2" folding to "X CMP C2 -+ C1".
1108
1109 2005-07-02  Jeff Law  <law@redhat.com>
1110
1111         * tree-ssa-dom.c (find_equivalent_equality_comparison): Do not
1112         a eliminate type conversion which feeds an equality comparison
1113         if the original type or either operand in the comparison is a
1114         function pointer.
1115
1116 2005-07-02  Joseph S. Myers  <joseph@codesourcery.com>
1117
1118         * c.opt, common.opt, config/bfin/bfin.opt, config/pa/pa.opt,
1119         config/rs6000/rs6000.opt, params.def: Remove "." from end of help
1120         texts.
1121         * config/avr/avr.c: Do not use '`' as left quote.
1122         * config/rs6000/rs6000.c, config/s390/s390.c, opts.c, tree.c:
1123         Remove "." from end of diagnostics.  Make diagnostics start with
1124         lowercase letter.
1125
1126 2005-07-02  Zack Weinberg  <zack@codesourcery.com>
1127             Joseph S. Myers  <joseph@codesourcery.com>
1128
1129         * toplev.c (default_tree_printer): Handle setting location with
1130         '+' flag.
1131         * c-objc.common.c (c_tree_printer): Likewise.
1132         * c-format.c (gcc_diag_flag_specs): Add '+'.
1133         (gcc_cdiag_char_table): Allow '+' flag for tree formats.
1134         (format_types_orig): Allow '+' flag for gcc_diag and gcc_cdiag
1135         formats.
1136         * c-common.c, c-decl.c, c-objc-common.c, c-pragma.c,
1137         config/arm/pe.c, config/i386/winnt.c, config/ia64/ia64.c,
1138         config/mcore/mcore.c, config/sh/symbian.c, config/sol2.c,
1139         config/v850/v850.c, function.c, stor-layout.c, toplev.c,
1140         tree-inline.c, tree-optimize.c, tree.c, varasm.c: Use '+' flag
1141         instead of %J or %H.  Use 'q' flag for quoting.  Avoid '.' at end
1142         of diagnostics.  Use %q+D not %s for a decl.  Do not pass excess
1143         format arguments where %J is used without %D.
1144
1145 2005-07-02  Jakub Jelinek  <jakub@redhat.com>
1146
1147         * gcc.c (LINK_SSP_SPEC): Define.
1148         (link_ssp_spec): New variable.
1149         (LINK_COMMAND_SPEC): Add %(link_ssp).
1150         (static_specs): Add link_ssp_spec.
1151         * configure.ac (TARGET_LIBC_PROVIDES_SSP): New test.
1152         * configure: Rebuilt.
1153         * config.in: Rebuilt.
1154
1155         * config/rs6000/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
1156         * config/rs6000/linux64.h (TARGET_THREAD_SSP_OFFSET): Likewise.
1157         * config/i386/linux.h (TARGET_THREAD_SSP_OFFSET): Likewise.
1158         * config/i386/linux64.h (TARGET_THREAD_SSP_OFFSET): Likewise.
1159         * config/rs6000/rs6000.md (stack_protect_set, stack_protect_test):
1160         If TARGET_THREAD_SSP_OFFSET is defined, use -0x7010(13) resp.
1161         -0x7008(2) instead of reading __stack_chk_guard variable.
1162         * config/i386/i386.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): Change
1163         number.
1164         (UNSPEC_SP_TLS_SET, UNSPEC_SP_TLS_TEST): New constants.
1165         (stack_protect_set, stack_protect_test): Use *_tls* patterns
1166         if TARGET_THREAD_SSP_OFFSET is defined.
1167         (stack_tls_protect_set_si, stack_tls_protect_set_di,
1168         stack_tls_protect_test_si, stack_tls_protect_test_di): New insns.
1169
1170         Revert:
1171         2005-06-27  Richard Henderson  <rth@redhat.com>
1172         * libgcc-std.ver (GCC_4.1.0): New.
1173         * libgcc.h (__stack_chk_guard): Declare.
1174         (__stack_chk_fail, __stack_chk_fail_local): Declare.
1175         * libgcc2.c (L_stack_chk, L_stack_chk_local): New.
1176         * mklibgcc.in (lib2funcs): Add them.
1177
1178 2005-07-01  Richard Henderson  <rth@redhat.com>
1179
1180         * config/i386/linux-unwind.h (x86_64_fallback_frame_state): Cast to
1181         void * before struct sigcontext *.
1182         (x86_fallback_frame_state): Likewise.
1183
1184 2005-07-01  James E. Wilson  <wilson@specifixinc.com>
1185
1186         * doc/invoke.texi (-funit-at-a-time): Correct grammar in second bullet.
1187
1188 2005-07-01  Andrew Pinski  <pinskia@physics.uc.edu>
1189
1190         PR tree-opt/22269
1191         * tree-ssa-reassoc.c (should_transpose): Fix which operand
1192         we check for SSA_NAME for.
1193
1194 2005-07-01  Daniel Berlin  <dberlin@dberlin.org>
1195
1196         Fix PR tree-optimization/22071
1197
1198         * tree-ssa-structalias.c (offset_overlaps_with_access): New
1199         function.
1200         (get_constraint_for_component_ref): Use it.
1201
1202 2005-07-01  Andrew Pinski  <pinskia@physics.uc.edu>
1203
1204         PR other/22264
1205         * diagnostic.c (diagnostic_report_current_module): Use pp_newline to
1206         print out the last new line.
1207
1208 2005-07-01  Hans-Peter Nilsson  <hp@axis.se>
1209
1210         * config/cris/cris.md (CRIS_CC0_REGNUM): New constant.
1211         Swap numbers for CRIS_AP_REGNUM and CRIS_MOF_REGNUM.
1212         * config/cris/cris.c (cris_conditional_register_usage): Adjust
1213         reg_names[CRIS_CC0_REGNUM] for early CRIS versions.
1214         (cris_print_operand) <case REG>: Handle CRIS_CC0_REGNUM.
1215         (cris_md_asm_clobbers): Clobber CRIS_CC0_REGNUM for all asms.
1216         * config/cris/cris.h (CRIS_CANONICAL_CC0_REGNUM): New macro.
1217         (enum reg_class): New member CC0_REGS.
1218         (REG_CLASS_FROM_LETTER): Add 'c' for CC0_REGS.
1219         (FIRST_PSEUDO_REGISTER, CALL_USED_REGISTERS, REG_ALLOC_ORDER)
1220         (HARD_REGNO_MODE_OK, MODES_TIEABLE_P, REG_CLASS_NAMES)
1221         (CRIS_SPECIAL_REGS_CONTENTS, REG_CLASS_CONTENTS, REGNO_REG_CLASS)
1222         (PREFERRED_RELOAD_CLASS, REGISTER_NAMES, DBX_REGISTER_NUMBER):
1223         Adjust for register now described.
1224
1225 2005-07-01  Jakub Jelinek  <jakub@redhat.com>
1226
1227         PR target/22262
1228         * config/i386/i386.md (stack_protect_test_si,
1229         stack_protect_test_di): Add earlyclobber for scratch 3.
1230         * config/rs6000/rs6000.md (stack_protect_testsi,
1231         stack_protect_testdi): Add earlyclobber for scratch 3,
1232         remove earlyclobber from scratch 4.
1233
1234 Older entries for 2005 can be found in ChangeLog-2005.