OSDN Git Service

dd76c28b21a538aab06aa640efe122b8d7d80ef7
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2005-04-22  David S. Miller  <davem@davemloft.net>
2
3         * rtl.h (CONST_DOUBLE): Fix comment, a CONST_DOUBLE holds an
4         integer when it's mode is VOIDmode not DImode.
5
6 2005-04-22  Geoffrey Keating  <geoffk@apple.com>
7
8         * config/rs6000/rs6000.md (sync_add<mode>_internal,
9         sync_addshort_internal, sync_sub<mode>_internal, sync_andsi_internal,
10         sync_anddi_internal, sync_boolsi_internal, sync_booldi_internal,
11         sync_boolc<mode>_internal, sync_boolc<mode>_internal2,
12         sync_boolcc<mode>_internal, sync_lock_test_and_set<mode>): Use
13         "bne- $-xxx" rather than local labels.
14         (sync_lock_release<mode>): Add second operand.
15         (lwsync): Use .long rather than a more meaningful opcode.
16         * doc/md.texi (Standard Names): Add description of second
17         parameter to sync_lock_test_and_set.
18
19 2005-04-23  Kazu Hirata  <kazu@cs.umass.edu>
20
21         PR tree-optimization/21088
22         * fold-const.c (fold_unary, fold_binary, fold_ternary):
23         Export.
24         * tree-vrp.c (compare_values): Use fold_binary to compare
25         pointers.  Use boolean_type_node as the type of a comparison
26         expression being folded.
27         * tree.h: Add prototypes for fold_unary, fold_binary,
28         fold_ternary.
29
30         * tree-ssa-dom.c: Fix formatting.
31
32 2005-04-22  Diego Novillo  <dnovillo@redhat.com>
33
34         * Makefile.in (tree-into-ssa.o): Add dependency on PARAMS_H.
35         * lambda-code.c (perfect_nestify): Mark virtual operands in
36         the moved statement for renaming.
37         * params.def (PARAM_MIN_VIRTUAL_MAPPINGS): Define.
38         (PARAM_VIRTUAL_MAPPINGS_TO_SYMS_RATIO): Define.
39         * params.h (MIN_VIRTUAL_MAPPINGS): Define.
40         (VIRTUAL_MAPPINGS_TO_SYMS_RATIO): Define.
41         * tree-flow.h (struct var_ann_d): Update comments.
42         (rewrite_to_new_ssa_names_bb, rewrite_to_new_ssa_names,
43         allocate_ssa_names, find_phi_node_for, dump_tree_ssa,
44         debug_tree_ssa, debug_def_blocks, dump_tree_ssa_stats,
45         debug_tree_ssa_stats, rewrite_ssa_into_ssa,
46         dump_repl_tbl, debug_repl_tbl, dump_names_replaced_by,
47         debug_names_replaced_by): Remove declarations.
48         (delete_update_ssa, get_current_def, set_current_def): Declare.
49         (rewrite_into_loop_closed_ssa): Add new argument.  Update
50         all callers.
51         * tree-into-ssa.c: Include params.h.
52         (old_virtual_ssa_names): Remove.  Update all users.
53         (need_to_replace_names_p): Remove.  Update all users.
54         (struct update_ssa_stats_d): Declare.
55         (update_ssa_stats): New local.
56         (dump_tree_ssa, debug_tree_ssa, debug_def_blocks,
57         dump_tree_ssa_stats, debug_tree_ssa_stats,
58         dump_update_ssa, debug_update_ssa,
59         dump_names_replaced_by, debug_names_replaced_by): Declare.
60         (get_current_def, set current_def): Make extern.
61         (is_old_name, is_new_name): Protect against references
62         past the end of the sets.
63         (add_new_name_mapping): Assert that OLD and NEW are
64         different SSA names for the same symbol.
65         When adding a virtual mapping, update stats for virtual
66         mapping heuristic.
67         (insert_phi_nodes_for): If UPDATE_P is true, create the
68         LHS of the new PHI by duplicating SSA name VAR.
69         (insert_phi_nodes_1): Remove.  Update all users.
70         (insert_phi_nodes): Remove second argument.  Update all
71         users.
72         (maybe_replace_use, maybe_replace_def): New.
73         (rewrite_update_stmt): Call them.
74         (mark_def_interesting): Remove calls to is_gimple_reg.
75         (prepare_phi_args_for_update): Remove.  Update all users.
76         (prepare_block_for_update): Only process virtual operands
77         and GIMPLE registers in normal form.
78         (prepare_use_sites_for): New.
79         (prepare_names_to_update): Rename from prepare_def_sites.
80         Call prepare_use_sites_for.
81         (dump_update_ssa): Rename from dump_repl_tbl.
82         Update all users.
83         Show statistics for virtual mapping heuristic.
84         (debug_update_ssa): Rename from debug_debug_repl_tbl.
85         (init_update_ssa): Initialize UPDATE_SSA_STATS.
86         (delete_update_ssa): Make extern.
87         (mark_set_for_renaming): If the set is empty, do nothing.
88         (release_ssa_name_after_update_ssa): Update comment.
89         (insert_updated_phi_nodes_for): Do not remove existing
90         PHI nodes for symbols.
91         (switch_virtuals_to_full_rewrite_p): New.
92         (switch_virtuals_to_full_rewrite): New.
93         (update_ssa): Call them.
94         Clear REWRITE_THIS_STMT and REGISTER_DEFS_IN_THIS_STMT
95         for every statement before updating.
96         If all the names in NEW_SSA_NAMES have been marked for
97         removal, do nothing.
98         Only start at the top of the CFG if there are symbols in
99         SYMS_TO_RENAME.
100         (ssa_rewrite_finalize_block): Remove.
101         (ssa_register_new_def): Remove.
102         (ssa_rewrite_stmt): Remove.
103         (ssa_rewrite_phi_arguments): Remove.
104         (ssa_rewrite_initialize_block): Remove.
105         (ssa_mark_def_sites): Remove.
106         (ssa_mark_def_sites_initialize_block): Remove.
107         (ssa_mark_phi_uses): Remove.
108         (rewrite_ssa_into_ssa): Remove.
109         * tree-phinodes.c (find_phi_node_for): Remove.
110         * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely):
111         Call update_ssa.
112         * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops):
113         Remove calls to verify_dominators and
114         verify_loop_structure.
115         (tree_unswitch_single_loop): Call update_ssa.
116         * tree-ssa.c (verify_ssa): Assert that need_ssa_update_p
117         returns false.
118         Call verify_stmts.
119         (delete_tree_ssa): Assert that need_ssa_update_p returns
120         false.
121         * tree-vect-transform.c (vect_transform_loop): Call update_ssa.
122         * tree-vectorizer.c (allocate_new_names, rename_def_op,
123         free_new_names): Remove.  Update all users.
124         (rename_use_op): Call get_current_def.
125         (rename_variables_in_bb): Do not handle any real or
126         virtual definition.
127         (slpeel_update_phis_for_duplicate_loop): Call
128         get_current_def and set_current_def instead of using
129         SSA_NAME_AUX.
130         (slpeel_update_phi_nodes_for_guard2): Reformat comments.
131         (slpeel_can_duplicate_loop_p): Call need_ssa_update_p,
132         ssa_names_to_replace and delete_update_ssa.
133         * doc/invoke.texi: Document --param min-virtual-mappings
134         and --param virtual-mappings-ratio.
135
136 2005-04-22  Zdenek Dvorak  <dvorakz@suse.cz>
137             Diego Novillo  <dnovillo@redhat.com>
138
139         * tree-cfg.c (tree_duplicate_bb): Call create_new_def_for
140         for newly created PHI nodes.
141         Call create_new_def_for for every new V_MAY_DEF and
142         V_MUST_DEF on the copied statement.
143         (struct ssa_name_map_entry): Remove.
144         (ssa_name_map_entry_hash): Remove.
145         (ssa_name_map_entry_eq): Remove.
146         (allocate_ssa_names): Remove.
147         (rewrite_to_new_ssa_names_def): Remove.
148         (rewrite_to_new_ssa_names_use): Remove.
149         (rewrite_to_new_ssa_names_bb): Remove.
150         (rewrite_to_new_ssa_names): Remove.
151         (tree_duplicate_sese_region): Remove variables ver,
152         definitions, phi, ssa_name_map and bi.
153         Call need_ssa_update_p instead of any_marked_for_rewrite_p.
154         Call update_ssa.
155         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Call
156         update_ssa instead of rewrite_ssa_into_ssa.
157         * tree-ssa-loop-manip.c (add_exit_phis_edge): Call
158         create_new_def_for.
159         (find_uses_to_rename_use): Add argument 'need_phis'.
160         (find_uses_to_rename_stmt): Do not scan virtual operands.
161         (find_uses_to_rename): Only scan PHI nodes for
162         non-virtual names.
163         (rewrite_into_loop_closed_ssa): Call update_ssa.
164         (check_loop_closed_ssa_use): Ignore virtual operands.
165         (check_loop_closed_ssa_stmt): Likewise.
166         (verify_loop_closed_ssa): Do nothing if CURRENT_LOOPS is
167         NULL.
168         (rename_variables, set_phi_def_stmts): Remove.
169         (tree_duplicate_loop_to_header_edge): Reformat comment.
170         Remove variables BB, I and DEFINITIONS.
171         Call need_ssa_update_p.
172         Call update_ssa.
173         (lv_adjust_loop_header_phi): Reformat comment.
174         * tree-ssanames.c (ssa_names_to_rewrite): Remove.
175         (marked_for_rewrite_p, any_marked_for_rewrite_p,
176         mark_for_rewrite, unmark_all_for_rewrite,
177         marked_ssa_names): Remove.  Update all users.
178         (release_ssa_name): If VAR has been registered for SSA
179         updating, do nothing.
180         * tree-vrp.c (new_ssa_names, old_ssa_names): Remove.
181         (build_assert_expr_for): Call register_new_name_mapping.
182         (insert_range_assertions): Update call to update_ssa.
183         * tree.h (mark_for_rewrite, unmark_all_for_rewrite,
184         marked_for_rewrite_p, any_marked_for_rewrite_p,
185         marked_ssa_names): Remove.
186
187 2005-04-22  Jeff Law  <law@redhat.com>
188
189         * tree-ssa-dom.c (block_defs_stack): Remove, no longer needed.
190         (restore_currdefs_to_original_value): Likewise.
191         (register_definitions_for_stmt): Likewise.
192         (tree_ssa_dominator_optimize): No longer initialize CURRENT_DEF
193         for each variable.  Do not allocate/free block_defs_stack either.
194         Do not iterate if we just thread jumps.  Only iterate if the
195         tree_cleanup_cfg does useful work (temporary).
196         (dom_opt_initialize_block): No longer push a marker on
197         BLOCK_DEFS_STACK.
198         (dom_opt_finalize_block): Removal call to restore currdefs.
199         Relax restrictions for recording edge equivalences.
200         (record_equivalences_from_phis): No longer need to track
201         CURRENT_DEF.
202         (optimize_stmt): Similarly.
203         (thread_across_edge): Simplify by removing the requirement that
204         statements in the block we are threading through must be nops.
205         (initialize_hash_element): Handle GOTO_EXPR.
206
207 2005-04-22  David S. Miller  <davem@davemloft.net>
208
209         * sched-vis.c (print_value): Use CONST_DOUBLE_LOW and
210         CONST_DOUBLE_HIGH.
211         * config/sparc/sparc.c (sparc_rtx_costs): Likewise, and
212         fix check on CONST_DOUBLE mode.  It should be VOIDmode
213         when it is representing an integer.
214
215 2005-04-22  Nathan Sidwell  <nathan@codesourcery.com>
216
217         * builtins.c (gimplify_va_arg_expr): Reword comments to avoid
218         'abort'. Use gcc_assert and gcc_unreachable as appropriate.
219         * c-format.c (get_constant, decode_format_attr, get_flag_spec, 
220         find_char_info_specifier_index,
221         find_length_info_modifier_index): Likewise.
222         * c-typeck.c (composite_type, pop_init_level): Likewise.
223         * combine.c (cant_combine_insn_p, try_combine): Likewise.
224         * cse.c (cse_insn): Likewise
225         * dominance.c (calc_dfs_tree): Likewise
226         dwarf2out.c (loc_descriptor_from_tree_1,
227         add_abstract_origin_attribute, force_decl_die,
228         force_type_die): Likewise
229         emit-rtl.c (operand_subword_force): Likewise
230         explow.c (hard_function_value): Likewise
231         expmed.c (store_bit_field, expand_divmod,
232         emit_store_flag_force): Likewise
233         expr.c (emit_move_multi_word, store_expr,
234         expand_expr_real_1): Likewise
235         final.c (this_is_asm_operands, shorten_branches, final_scan_insn,
236         output_operand): Likewise
237         flow.c (recompute_reg_usage): Likewise
238         * function.c (assign_stack_temp_for_type, assign_temp, 
239         handle_epilogue_set): Likewise
240         * genextract.c (main): Likewise
241         * gimplify.c (mostly_copy_tree_r, gimplify_return_expr,
242         gimplify_modify_expr_rhs, gimplify_expr): Likewise
243         * haifa-sched.c (ready_lastpos, ready_remove_first, ready_element,
244         ready_remove, rm_line_notes, rm_other_notes,
245         schedule_block): Likewise
246         mips-tfile.c (copy_object, out_of_bounds): Likewise
247
248 2005-04-22 David Edelsohn  <edelsohn@gnu.org>
249
250         PR target/20813
251         * config/rs6000/default64.h (TARGET_DEFAULT): Add MASK_PPC_GFXOPT.
252         * config/rs6000/rs6000.c (processor_target_table): Rename rs64a to
253         rs64.  Add MASK_PPC_GFXOPT to powerpc64 and rs64.
254         (rs6000_init_libfuncs): Set TFmode optabs to xlq names if
255         TARGET_XL_COMPAT.
256         * doc/invoke.texi (PowerPC options): Change rs64a to rs64.
257
258 2005-04-22  Nathan Sidwell  <nathan@codesourcery.com>
259
260         * lambda-code.c: Define VEC(int,heap), VEC(lambda_loop,heap).
261         (gcc_tree_to_linear_expression): Convert to heap allocated
262         vectors.
263         (gcc_loop_to_lambda_loop, gcc_loopnest_to_lambda_loopnest,
264         lbv_to_gcc_expression, lle_to_gcc_expression,
265         lambda_loopnest_to_gcc_loopnest, can_convert_to_perfect_nest, 
266         perfect_nestify): Likewise.
267         lambda.h (gcc_loopnest_to_lambda_loopnest,
268         lambda_loopnest_to_gcc_loopnest): Likewise.
269         tree-loop-linear.c (linear_transform_loops): Likewise.
270
271 2005-04-22  Eric Botcazou  <ebotcazou@libertysurf.fr>
272
273         * config/sparc/predicates.md (arith_double_operand): Use
274         trunc_int_for_mode if HOST_BITS_PER_WIDE_INT >=64.
275         * config/sparc/sparc.md (movqi, movhi, movsi, movqi): Use gen_int_mode.
276         (DImode, DFmode constant splitters): Likewise.  Remove code for
277         TARGET_ARCH64 && HOST_BITS_PER_WIDE_INT < 64.
278         (logical constant splitters): Use const_int_operand predicate.
279         (lshrsi3_extend): Remove code for TARGET_ARCH64 &&
280         HOST_BITS_PER_WIDE_INT < 64.
281
282 2005-04-22  Nathan Sidwell  <nathan@codesourcery.com>
283
284         * config/pa/pa.c (legitimize_pic_address): Use gcc_assert and
285         gcc_unreachable as appropriate.
286         (force_mode, emit_move_sequence, singlemove_string,
287         output_move_double, output_fp_move_double, find_addr_reg,
288         output_block_move, output_block_clear, output_and,
289         output_64bit_and, output_ior, output_64bit_ior, store_reg_modify,
290         pa_adjust_cost, pa_issue_rate, print_operand,
291         output_global_address, output_arg_descriptor, output_cbranch,
292         output_lbranch, output_bb, output_bvb, output_dbra, output_movb,
293         output_call): Likewise.
294         * config/pa/pa.md (call, call_value, sibcall, sibcall_value,
295         prefetch, prefetch_cc, prefetch_nocc): Likewise.
296
297 2005-04-22  Zdenek Dvorak  <dvorakz@suse.cz>
298
299         * Makefile.in (LIBGCOV): Add _gcov_interval_profiler,
300         _gcov_pow2_profiler and _gcov_one_value_profiler.
301         (tree-profile.o): Add GGC_H and gt-tree-profile.h dependency.
302         (GTFILES): Add $(srcdir)/tree-profile.c.
303         * gcov-io.h (__gcov_interval_profiler, __gcov_pow2_profiler,
304         __gcov_one_value_profiler): Declare.
305         * gimplify.c (force_gimple_operand): Check whether the statements
306         should be produced in ssa form.
307         (force_gimple_operand_bsi): New function.
308         * libgcov.c (__gcov_interval_profiler, __gcov_pow2_profiler,
309         __gcov_one_value_profiler): New functions.
310         * rtl-profile.c (rtl_gen_pow2_profiler): Only measure whether
311         the profiled value is a power of two or not.
312         * tree-cfg.c (tree_block_ends_with_condjump_p): Handle empty blocks.
313         * tree-flow.h (in_ssa_p): Declare.
314         (force_gimple_operand_bsi): Declare.
315         * tree-into-ssa.c (in_ssa_p): New variable.
316         (rewrite_into_ssa): Set in_ssa_p.
317         * tree-outof-ssa.c (rewrite_out_of_ssa): Set in_ssa_p.
318         * tree-profile.c: Include ggc.h and gt-tree-profile.h.
319         (gcov_type_node, tree_interval_profiler_fn, tree_pow2_profiler_fn,
320         tree_one_value_profiler_fn): New variables.
321         (tree_init_edge_profiler): Initialize the profiler function decls.
322         (tree_gen_edge_profiler): Use global gcov_type_node.
323         (prepare_instrumented_value): New function.
324         (tree_gen_interval_profiler, tree_gen_interval_profiler,
325         tree_gen_one_value_profiler): Call the library functions instead of
326         creating instrumentation code.
327         * tree.c (build_fn_decl): New function.
328         * tree.h (build_fn_decl): Declare.
329         * value-prof.c (rtl_divmod_values_to_profile,
330         rtl_find_values_to_profile, rtl_mod_pow2_value_transform,
331         tree_mod_pow2_value_transform, tree_find_values_to_profile):
332         Do not handle may_be_other and precise values of exponents at pow2
333         profiler.
334         (tree_mod_subtract_transform): Reflect that value field of
335         histogram has changed meaning.
336         (tree_divmod_values_to_profile): Record the values correctly.
337         (tree_values_to_profile): Update comment.
338         * value-prof.h (struct histogram_value_t): Remove pow2 data.
339
340 2005-04-22  Joseph S. Myers  <joseph@codesourcery.com>
341
342         * varasm.c (do_assemble_alias): Return early if TREE_ASM_WRITTEN
343         (decl).
344
345 2005-04-22  Nathan Sidwell  <nathan@codesourcery.com>
346
347         * config/i386/i386.md (length_immediate): Use gcc_assert or
348         gcc_unreachable, as appropriate.
349         (*movsi_1, *movqi_1, reload_outqi, *movdi_1_rex64, *pushsf,
350         *pushsf_rex64, *truncxfsf2_mixed, *truncxfsf2_i387,
351         *truncxfdf2_mixed, *truncxfdf2_i387, *adddi_1_rex64,
352         *adddi_2_rex64, *adddi_3_rex64, *adddi_4_rex64, *adddi_5_rex64,
353         *addsi_1, addsi_1_zext, *addsi_2, *addsi_2_zext, *addsi_3,
354         *addsi_3_zext, *addsi_4, *addsi_5, *addhi_1_lea, *addhi_1,
355         *addhi_2, *addhi_3, *addhi_4, *addhi_5, *addqi_1_lea, *addqi_1,
356         *addqi_1_slp, *addqi_2, *addqi_3, *addqi_4, *addqi_5, addqi_ext_1,
357         *addqi_ext_1_rex64, *anddi_1_rex64, *andsi_1, *andhi_1,
358         *ashldi3_1_rex64, *ashldi3_cmp_rex64, *ashlsi3_1, *ashlsi3_1_zext,
359         *ashlsi3_cmp, *ashlsi3_cmp_zext, *ashlhi3_1_lea, *ashlhi3_1,
360         *ashlhi3_cmp, *ashlqi3_1_lea, *ashlqi3_1, *ashlqi3_cmp,
361         pro_epilogue_adjust_stack_1, pro_epilogue_adjust_stack_rex64,
362         pro_epilogue_adjust_stack_rex64_2, prefetch, *prefetch_sse,
363         *prefetch_sse_rex): Likewise.
364         * config/i386/predicates.md (x86_64_immediate_operand,
365         x86_64_zext_immediate_operand, symbolic_operand,
366         no_seg_address_operand, aligned_operand,
367         memory_displacement_operand): Likewise.
368         * config/i386/sse.md (*mov<mode>_internal,
369         *movv2df_internal): Likewise.
370
371 2005-04-22  Jan Hubicka  <jh@suse.cz>
372
373         * Makefile.in (ipa.o, ipa-inline.o): New files.
374         * cgraph.h (cgraph_remove_unreachable_nodes, cgraph_postorder,
375         cgraph_decide_inlining_incrementally, cgraph_clone_inlined_nodes,
376         cgraph_mark_inline_edge, cgraph_default_inline_p): Declare.
377         * cgraphunit.c (cgraph_default_inline_p,
378         cgraph_decide_inlining_incrementally,  ncalls_inlined,
379         nfunctions_inlined, initial_insns, overall_insns, 
380         cgraph_estimate_size_after_inlining, cgraph_estimate_growth,
381         cgraph_clone_inlined_nodes, cgraph_mark_inline_edge,
382         cgraph_mark_inline, cgraph_check_inline_limits,
383         cgraph_default_inline_p, cgraph_recursive_inlining_p,
384         update_callee_keys, lookup_recursive_calls,
385         cgraph_decide_recursive_inlining, cgraph_set_inline_failed,
386         cgraph_decide_inlining_of_small_functions, cgraph_decide_inlining,
387         cgraph_decide_inlining_incrementally, cgraph_gate_inlining,
388         pass_ipa_inline): Move to ipa-inline.c
389         (cgraph_postorder, cgraph_remove_unreachable_nodes): Move to ipa.c
390         * ipa.c: New file.
391         * ipa-inline.c: New file.
392
393 2005-04-22  Eric Botcazou  <ebotcazou@libertysurf.fr>
394
395         * doc/invoke.texi (SPARC options): Document that -mapp-regs
396         is turned off by default on Solaris.
397
398 2005-04-21  Roger Sayle  <roger@eyesopen.com>
399
400         * c-common.h (objc_build_method_signature): Update prototype.
401         * stub-objc.c (objc_build_method_signature): Update the stub
402         implementation to accept and ignore additional parameter.
403         * c-parser.c (c_parser_objc_method_decl): Reorgnize to pass
404         the value of ellipsis to objc_build_method_signature instead
405         of setting TREE_OVERFLOW on the parms TREE_LIST node.
406
407 2005-04-21  Geoffrey Keating  <geoffk@apple.com>
408
409         * config/rs6000/rs6000-protos.h (rs6000_emit_sync): New.
410         * config/rs6000/rs6000.c (rs6000_emit_vector_compare): Use
411         gen_rtx_* not gen_rtx_fmt_*.
412         (rs6000_emit_vector_select): Likewise.
413         (rs6000_emit_sync): New.
414         * config/rs6000/rs6000.md (GPR, INT, INT1): New mode macros.
415         (larx, stcx, cmp): New mode substitutions.
416         (UNSPEC_SYNC, UNSPEC_SYNC_OP, UNSPEC_SYNC_SWAP, UNSPEC_LWSYNC,
417         UNSPEC_ISYNC): New constants.
418         (rlwinm): Give name.
419         (memory_barrier, isync, lwsync): New insns.
420         (sync_compare_and_swap<mode>, sync_lock_test_and_set<mode>): New insn.
421         (sync_lock_release<mode>): New expander.
422         (sync_add<mode>, sync_sub<mode>, sync_ior<mode>, sync_and<mode>,
423         sync_xor<mode>, sync_nand<mode>, sync_old_add<mode>,
424         sync_old_sub<mode>, sync_old_ior<mode>, sync_old_and<mode>,
425         sync_old_xor<mode>, sync_old_nand<mode>, sync_new_add<mode>,
426         sync_new_sub<mode>, sync_new_ior<mode>, sync_new_and<mode>,
427         sync_new_xor<mode>, sync_new_nand<mode>): New expanders.
428         (sync_add<mode>_internal, sync_addshort_internal,
429         sync_sub<mode>_internal, sync_andsi_internal, sync_anddi_internal,
430         sync_boolsi_internal, sync_booldi_internal, sync_boolc<mode>_internal,
431         sync_boolc<mode>_internal2, sync_boolcc<mode>_internal): New insns.
432
433         * doc/md.texi (Standard Names): sync_compare_and_swap's operand 0
434         is the memory before, not after, the operation.  Clarify
435         barrier requirements.
436
437 2005-04-21  Nathan Sidwell  <nathan@codesourcery.com>
438
439         * cfghooks.h (struct cfg_hooks): Reword comments to avoid 'abort'.
440         * lambda.h (lambda_vector_min_nz): Likewise.
441         * langhooks.h (struct lang_hooks_for_types,
442         struct lang_hooks): Likewise.
443         * output.h (assemble_integer, this_is_asm_operands): Likewise.
444         * tree.h: Likewise.
445         * vec.h: Likewise.
446         * tree-flow-inline.h (relink_imm_use): Use gcc_assert.
447         
448         * optabs.c (prepare_cmp_insn, emit_cmp_and_jump_insns): Reword
449         comments to avoid 'abort'.  Use gcc_assert as necessary.
450         * opts.c (common_handle_option): Likewise.
451         * pretty-print.c (pp_base_format_text): Likewise.
452         * print-rtl.c (print_rtx): Likewise.
453         * read-rtl.c (read_rtx_filename, read_rtx_1): Likewise.
454         * regmove.c (try_auto_increment): Likewise.
455         * reload.c (find_valid_class, find_reloads_toplev,
456         find_equiv_reg): Likewise.
457         * reload1.c (reload, forget_old_reloads_1, function_invariant_p, 
458         merge_assigned_reloads): Likewise.
459         * tree-inline.c (inline_forbidden_p_1,
460         estimate_num_insns_1): Likewise.
461         * tree-optimize.c (execute_todo): Likewise.
462         * tree-outof-ssa.c (eliminate_phi): Likewise.
463         * tree-ssa-alias.c (add_pointed_to_expr): Likewise.
464         * tree-ssa-ccp.c (maybe_fold_stmt_indirect): Likewise.
465         * tree-ssa-operands.c (parse_ssa_operands,
466         get_indirect_ref_operands, create_ssa_artficial_load_stmt): Likewise.
467         * tree-ssa-pre.c (find_or_generate_expression): Likewise.
468         * tree-ssanames.c (release_ssa_name): Likewise.
469         * tree.c (int_bit_position, int_byte_position, tree_low_cst, 
470         walk_tree): Likewise.
471
472         * tree-ssa-operands.c (verify_abort): Fold into ..
473         (verify_imm_links): ... here.
474
475 2005-04-21  Richard Henderson  <rth@redhat.com>
476
477         * config/alpha/sync.md (sync_new_nand<I48MODE>): Fix constraints
478         on non-memory operand for previous inversion.
479
480 2005-04-21  Devang Patel  <dpatel@apple.com>
481
482         PR optimization/20994
483         * tree-if-conv.c (find_phi_replacement_condition): Avoid generating
484         x = !(a == b) : p , q;.
485         (pass_if_conversion): Verify stmts and flow.
486         
487 2005-04-21  Nathan Sidwell  <nathan@codesourcery.com>
488
489         * optabs.c (gen_conditional_trap): Restore #define.
490
491         * alias.c (true_dependence): Remove 'abort' from comments. Use
492         gcc_assert and gcc_unreachable as appropriate.
493         (canon_true_dependence): Likewise.
494         * bb-reorder.c (connect_traces): Likewise.
495         * c-common.c (c_add_case_label): Likewise.
496         * c-decl.c (finish_function): Likewise.
497         * caller-save.c (insert_restore, insert_save): Likewise.
498         * cfg.c (update_bb_profile_for_threading): Likewise.
499         * cfganal.c (flow_active_insn_p): Likewise.
500         * cfgexpand.c (add_reg_br_prob_note): Likewise.
501         * cfgrtl.c (rtl_redirect_edge_and_branch_force, rtl_split_edge,
502         cfg_layout_merge_blocks): Likewise.
503         * ifcvt.c (cond_exec_process_insns, merge_if_block,
504         find_if_block): Likewise.
505         * integrate.c (allocate_initial_values): Likewise.
506         * jump.c (reverse_condition, reverse_condition_maybe_unordered,
507         swap_condition, unsigned_condition, signed_condition,
508         mark_jump_label, invert_jump_1, rtx_renumbered_equal_p,
509         reg_or_subregno): Likewise.
510         * lambda-code.c (lambda_compute_auxillary_space,
511         lambda_transform_legal_p): Likewise.
512         * lambda-mat.c (lambda_matrix_inverse_hard): Likewise.
513         * langhooks.c (lhd_set_decl_assembler_name, lhd_type_promotes_to,
514         lhd_incomplete_type_error, lhd_expand_expr,
515         lhd_types_compatible_p, lhd_tree_size): Likewise.
516         * lcm.c (create_pre_exit, optimize_mode_switching): Likewise.
517         * local-alloc.c (update_equiv_regs): Likewise.
518         * loop-unroll.c (peel_loop_completely
519         unroll_loop_constant_iterations, unroll_loop_runtime_iterations,
520         peel_loop_simple, unroll_loop_stupid,
521         analyze_iv_to_split_insn): Likewise.
522         * loop.c (gen_prefetch, find_and_verify_loops,
523         basic_induction_var): Likewise.
524         * modulo-sched.c (normalize_sched_times, check_nodes_order): Likewise.
525         * value-prof.c (tree_find_values_to_profile): Likewise.
526         * varasm.c (named_section, default_assemble_integer,
527         decode_addr_const): Likewise.
528
529 2005-04-21 Alan Modra  <amodra@bigpond.net.au>
530            Fariborz Jahanian <fjahanian@apple.com>
531
532         * config/rs6000/rs6000.c (rs6000_arg_partial_bytes): Fix size of
533         portion of argument passed in fpr.
534         * expr.c (emit_push_insn): Fix computation of 'offset' used to
535         decide on partial argument save on stack.
536
537 2005-04-21  Kazu Hirata  <kazu@cs.umass.edu>
538
539         * config/sparc/predicates.md, config/sparc/sparc.md: Fix
540         comment typos.
541
542 2005-04-21  Jan Hubicka  <jh@suse.cz>
543
544         * cgraphunit.c: Include tree-pass.h
545         (cgraph_decide_recursive_inlining,
546         cgraph_decide_inlining_of_small_function, cgraph_set_inline_failed,
547         cgraph_decide_inlining): Dump goes to dump_file.
548         (cgraph_optimize): Call ipa passes instead of inliner.
549         (cgraph_gate_inlining, pass_ipa_inline): New.
550         * tree-optimize.c (all_ipa_passes): New static variable.
551         (register_one_dump_file): Dead with IPA passes.
552         (register_dump_files): Likewise.
553         (init_tree_optimization_passes): Initialize IPA passes.
554         (execute_todo): Do cgraph dump when asked to, do not dump function body
555         for IPA pass.
556         * tree-pass.h (TODO_dump_cgraph): New macro.
557         (ipa_passes): Declare.
558         * Makefile.in (cgraphunit.o): Add dependency on cgraphunit.h
559
560 2005-04-21  Nathan Sidwell  <nathan@codesourcery.com>
561
562         * config/i386/i386.c (type_natural_mode): Use gcc_unreachable and
563         gcc_assert instead of abort.
564         (classify_argument, examine_argument, construct_container,
565         contains_128bit_aligned_vector_p, ix86_check_movabs,
566         standard_80387_constant_opcode, standard_80387_constant_rtx,
567         ix86_initial_elimination_offset, ix86_compute_frame_layout,
568         pro_epilogue_adjust_stack, ix86_expand_epilogue,
569         ix86_address_cost, legitimate_address_p, legitimize_pic_address,
570         legitimize_tls_address, output_pic_addr_const,
571         i386_output_dwarf_dtprel, put_condition_code, print_reg,
572         get_some_local_dynamic_name, print_operand, print_operand_address,
573         output_387_binary_op, emit_i387_cw_initialization,
574         output_fix_trunc, output_fp_compare, ix86_output_addr_vec_elt,
575         ix86_expand_clear, ix86_expand_binary_operator,
576         ix86_expand_unary_operator, ix86_match_ccmode, ix86_cc_mode,
577         ix86_cc_modes_compatible, ix86_fp_comparison_codes,
578         ix86_fp_comparison_arithmetics_cost, ix86_expand_fp_compare,
579         ix86_expand_branch, ix86_expand_setcc,
580         ix86_expand_carry_flag_compare, ix86_expand_fp_movcc,
581         ix86_expand_int_addcc, ix86_split_to_parts, ix86_split_long_move,
582         ix86_expand_movmem, ix86_expand_call, assign_386_stack_local,
583         memory_address_length, ix86_attr_length_immediate_default,
584         ix86_attr_length_address_default, ix86_agi_dependant,
585         x86_initialize_trampoline, ix86_init_mmx_sse_builtins,
586         ix86_expand_binop_builtin, ix86_force_to_memory,
587         ix86_secondary_memory_needed, ix86_avoid_jump_misspredicts,
588         x86_emit_floatuns): Likewise.
589         * config/i386/netware.c (gen_regparm_prefix,
590         i386_nlm_strip_name_encoding): Likewise.
591         * config/i386/winnt.c (i386_pe_mark_dllexport): Likewise.
592
593 2005-04-21  Nathan Sidwell  <nathan@codesourcery.com>
594
595         * optabs.c (gen_condiational_trap): Remove #define.
596         (add_equal_note): Assertify. Remove explicit indirection from
597         call via function pointer.
598         (expand_ternary_op, expand_simple_binop, expand_binop,
599         expand_twoval_unop, expand_twoval_binop,
600         expand_twoval_binop_libfunc, expand_simple_unop expand_unop,
601         emit_unop_insn,  emit_no_conflict_block,  prepare_cmp_insn,
602         prepare_operand emit_cmp_and_jump_insn_1, emit_cmp_and_jump_insns,
603         prepare_float_lib_cmp, emit_conditional_move,
604         emit_conditional_add, gen_add2_insn, gen_add3_insn,
605         have_add2_insn, gen_sub2_insn, gen_sub3_insn, have_sub2_insn,
606         expand_float, expand_fix, debug_optab_libfuncs, gen_cond_trap,
607         vector_compare_rtx, expand_vec_cond_expr): Likewise.
608
609 2005-04-21  Nathan Sidwell  <nathan@codesourcery.com>
610
611         * vec.h: Update API to separate allocation mechanism from type.
612         (VEC_safe_grow): New.
613         * vec.c (calculate_allocation): New.
614         (vec_gc_o_reserve, vec_heap_o_reserve): Adjust.
615         (vec_gc_free, vec_heap_free): Remove.
616         * gengtype-lex.l (DEF_VEC_): Process mult-argument macros.  Adjust.
617         (VEC): Likewise.
618         (mangle_macro_name): New.
619         (struct macro_def): New.
620         (struct macro): Add multiple argument values.
621         (macro_expans_end): New.
622         (push_macro_expansion):  Chain on new macro. Process multiple
623         args, create follow on expansion. Return follow on argument.
624         (macro_input): Deal with multiple arguments.
625         
626         * tree.h: Define VEC(tree,heap) and VEC(tree,gc).
627         (struct tree_binfo): Adjust.
628         * basic-block.h: Define VEC(edge,gc).
629         (struct edge_def): Adjust.
630         (struct basic_block_def, struct edge_iterator): Likewise.
631         (ei_container, ei_start_1, ei_last_1): Likewise.
632         * cfg.c (connect_src, connect_dest): Likewise.
633         * cfgrtl.c (force_nonfallthru_and_redirect)
634         * dbxout.c (dbxout_type)
635         * dwarf2out.c (gen_member_die)
636         * lambda-code.c: Define VEC(int,gc), VEC(lambda_loop,gc).
637         (gcc_tree_to_linear_expression): Adjust.
638         (gcc_loop_to_lambda_loop, gcc_loopnest_to_lambda_loopnest,
639         lbv_to_gcc_expression, lle_to_gcc_expression,
640         lambda_loopnest_to_gcc_loopnest, can_convert_to_perfect_nest,
641         perfect_nestify): Likewise.
642         * lambda.h (gcc_loopnest_to_lambda_loopnest,
643         lambda_loopnest_to_gcc_loopnest): Adjust prototypes.
644         * profile.c (instrument_values): Adjust.
645         * tree-cfg.c (modified_noreturn_calls): Adjust.
646         (remove_fallthru_edge): Likewise.
647         * tree-dump.c (dequeue_and_dump): Adjust.
648         * tree-flow-inline.h (mark_stmt_modified): Adjust.
649         * tree-flow.h (modified_noreturn_calls): Adjust.
650         (tree_on_heap): Remove. (yay!)
651         (register_new_def): Adjust.
652         * tree-into-ssa.c: Define VEC(int,heap).
653         (block_defs_stack): Adjust.
654         (find_idf, insert_phi_nodes, register_new_def,
655         rewrite_initialize_block, rewrite_finalize_block,
656         register_new_update_single, rewrite_update_init_block,
657         rewrite_update_fini_block, rewrite_blocks,
658         ssa_rewrite_finalize_block, ssa_register_new_def,
659         ssa_rewrite_initialize_block, rewrite_ssa_into_ssa): Likewise.
660         * tree-loop-linear.c (linear_transform_loops): Adjust.
661         * tree-ssa-alias.c: Define VEC(fieldoff_t,heap).
662         (push_fields_onto_fieldstack, create_overlap_variables_for): Adjust.
663         * tree-ssa-dom.c (avail_exprs_stack, block_defs_stack,
664         stmts_to_rescan, const_and_copies_stack, nonzero_vars_stack,
665         vrp_variables_stack): Adjust declarations.
666         (tree_ssa_dominator_optimize): Adjust.
667         (dom_opt_initialize_block, remove_local_expressions_from_table,
668         restore_nonzero_vars_to_original_value,
669         restore_vars_to_original_value,
670         restore_currdefs_to_original_value, dom_opt_finalize_block,
671         record_var_is_nonzero, record_cond, record_const_or_copy_1,
672         optimize_stmt, update_rhs_and_lookup_avail_expr,
673         lookup_avail_expr, record_range): Likewise.
674         * tree-ssa-pre.c: Define VEC(basic_block,heap).
675         (compute_antic_aux): Adjust.
676         (inserted_exprs, create_expression_by_pieces, 
677         insert_into_preds_of_block, eliminate, mark_operand_necessary, 
678         remove_dead_inserted_code, fini_pre): Likewise.
679         * tree-ssa-propagate.c (interesting_ssa_edges): Adjust.
680         (varying_ssa_edges, add_ssa_edge, process_ssa_edge_worklist. 
681         ssa_prop_init): Likewise.
682         * tree-ssa.c: Define VEC(bitmap,heap).
683         (verify_name_tags): Adjust.
684         * value-prof.c (rtl_divmod_values_to_profile): Adjust.
685         (insn_prefetch_values_to_profile, rtl_find_values_to_profile,
686         tree_divmod_values_to_profile, tree_find_values_to_profile,
687         value_profile_transformations): Likewise.
688         * value-prof.h: Define VEC(histogram_value,heap).
689         * varasm.c: Remove alias_pair pointer typedef, define
690         VEC(alias_pair,gc).
691         (finish_aliases_1, finish_aliases_2, assemble_alias): Adjust.
692         
693         * config/pa/pa.c (typedef extern_symbol): Typedef the structure,
694         not a pointer to it.  Create an object vector.
695         (extern_symbols): Turn into an object vector.
696         (pa_hpux_asm_output_external, pa_hpux_file_end): Adjust.
697
698 2005-04-21  Sebastian Pop  <pop@cri.ensmp.fr>
699
700         PR/20742
701         * Makefile.in (tree-chrec.o): Depend on params.h.
702         * params.def (PARAM_SCEV_MAX_EXPR_SIZE): New parameter with
703         default value 20.
704         * tree-chrec.c: Depend on params.h.  Replace build with buildN,
705         and fold build with fold_buildN.
706         (chrec_fold_plus_1): Fail with a chrec_don_know when the size of
707         the expression exceeds PARAM_SCEV_MAX_EXPR_SIZE.
708         (tree_contains_chrecs): Compute an estimation of the size of the
709         given expression.
710         * tree-chrec.h (tree_contains_chrecs): Modify its declaration.
711         (tree_does_not_contain_chrecs): Update the use of tree_contains_chrecs.
712         * tree-scalar-evolution.c (simple_iv): Ditto.
713         * doc/invoke.texi (scev-max-expr-size): Documented.
714
715 2005-04-21  Richard Sandiford  <rsandifo@redhat.com>
716
717         * config.gcc (*-*-darwin*): Add darwin.opt to $extra_options.
718         (i[34567]86-pc-msdosdjgpp*): Likewise i386/djgpp.opt.
719         (i[34567]86-*-lynxos*, powerpc-*-lynxos*): Likewise lynx.opt.
720         (i[34567]86-*-sco3.2v5*): Likewise i386/sco5.opt.
721         (i[34567]86-*-pe, i[34567]86-*-cygwin*, i[34567]86-*-mingw32*)
722         (i[34567]86-*-uwin*): Likewise i386/cygming.opt.
723         * config/darwin.h (darwin_one_byte_bool, darwin_fix_and_continue)
724         (darwin_fix_and_continue_switch, SUBTARGET_OPTIONS): Delete.
725         * config/darwin.c (darwin_one_byte_bool, darwin_fix_and_continue)
726         (darwin_fix_and_continue_switch): Delete.
727         * config/lynx.h (SUBTARGET_OS_LYNX_SWITCHES): Delete.
728         (SUBTARGET_SWITCHES): Delete.
729         * config/i386/i386.h (target_flags, MASK_80387, MASK_RTD)
730         (MASK_ALIGN_DOUBLE, MASK_SVR3_SHLIB, MASK_IEEE_FP, MASK_FLOAT_RETURNS)
731         (MASK_NO_FANCY_MATH_387, MASK_OMIT_LEAF_FRAME_POINTER)
732         (MASK_STACK_PROBE, MASK_NO_ALIGN_STROPS, MASK_INLINE_ALL_STROPS)
733         (MASK_NO_PUSH_ARGS, MASK_ACCUMULATE_OUTGOING_ARGS, MASK_MMX)
734         (MASK_SSE, MASK_SSE2, MASK_SSE3, MASK_3DNOW, MASK_3DNOW_A)
735         (MASK_128BIT_LONG_DOUBLE, MASK_64BIT, MASK_MS_BITFIELD_LAYOUT)
736         (MASK_TLS_DIRECT_SEG_REFS, MASK_NO_RED_ZONE, TARGET_80387)
737         (TARGET_RTD, TARGET_ALIGN_DOUBLE, TARGET_PUSH_ARGS)
738         (TARGET_ACCUMULATE_OUTGOING_ARGS, TARGET_SVR3_SHLIB, TARGET_IEEE_FP)
739         (TARGET_128BIT_LONG_DOUBLE, TARGET_NO_FANCY_MATH_387)
740         (TARGET_USE_FANCY_MATH_387, TARGET_OMIT_LEAF_FRAME_POINTER)
741         (TARGET_DEBUG_ADDR, TARGET_DEBUG_ARG): Delete.
742         (TARGET_FLOAT_RETURNS_IN_80387): Make an alias of TARGET_FLOAT_RETURNS.
743         (TARGET_64BIT): Undef before redefining.
744         (TARGET_TLS_DIRECT_SEG_REFS, TARGET_STACK_PROBE)
745         (TARGET_ALIGN_STRINGOPS, TARGET_INLINE_ALL_STRINGOPS, TARGET_SSE)
746         (TARGET_SSE2, TARGET_SSE3, TARGET_MMX, TARGET_3DNOW, TARGET_3DNOW_A)
747         (TARGET_RED_ZONE, TARGET_USE_MS_BITFIELD_LAYOUT, TARGET_SWITCHES)
748         (TARGET_OPTIONS, SUBTARGET_SWITCHES, SUBTARGET_OPTIONS)
749         (ix86_fpmath_string, ix86_tls_dialect_string, ix86_cmodel_string)
750         (ix86_asm_string, ix86_regparm, ix86_regparm_string)
751         (ix86_preferred_stack_boundary_string, ix86_branch_cost_string)
752         (ix86_debug_arg_string, ix86_debug_addr_string)
753         (ix86_align_loops_string, ix86_align_jumps_string)
754         (ix86_align_funcs_string): Delete.
755         * config/i386/cygming.h (MASK_NOP_FUN_DLLIMPORT)
756         (TARGET_NOP_FUN_DLLIMPORT, SUBTARGET_SWITCHES): Delete.
757         * config/i386/djgpp.h (MASK_BNU210, SUBTARGET_SWITCHES): Delete.
758         (SUBTARGET_OVERRIDE_OPTIONS): Check TARGET_BNU210.
759         * config/i386/lynx.h (SUBTARGET_SWITCHES): Delete.
760         * config/i386/sco5.h (MASK_COFF, TARGET_ELF)
761         (SUBTARGET_SWITCHES): Delete.
762         * config/i386/i386.c (ix86_debug_arg_string): Delete.
763         (ix86_debug_addr_string): Delete.
764         (ix86_cmodel_string, ix86_asm_string, ix86_tls_dialect_string)
765         (ix86_fpmath_string, ix86_regparm_string, ix86_regparm)
766         (ix86_align_loops_string, ix86_align_jumps_string)
767         (ix86_preferred_stack_boundary_string, ix86_branch_cost_string)
768         (ix86_align_funcs_string): Make static.
769         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
770         (ix86_handle_option): New function.
771         (TARGET_USE_MS_BITFIELD_LAYOUT): Delete.
772         (ix86_ms_bitfield_layout_p): Check TARGET_MS_BITFIELD_LAYOUT.
773         * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Remove handling
774         of darwin_fix_and_continue_switch.
775         (darwin_one_byte_bool): Delete.
776         * config/rs6000/lynx.h (EXTRA_SUBTARGET_SWITCHES): Delete.
777         * config/rs6000/rs6000.c (rs6000_override_options): Update assignment
778         to darwin_one_byte_bool.
779         * config/darwin.opt, config/lynx.opt, config/i386/cygming.opt,
780         * config/i386/djgpp.opt, config/i386/i386.opt,
781         * config/i386/sco5.opt: New files.
782
783 2005-04-21  Eric Botcazou  <ebotcazou@libertysurf.fr>
784
785         * config/sparc/sparc.c (reg_or_0_operand, const1_operand,
786         fp_zero_operand, fp_register_operand, intreg_operand,
787         fcc_reg_operand, fcc0_reg_operand, icc_or_fcc_reg_operand,
788         call_operand, call_operand_address, tgd_symbolic_operand,
789         tld_symbolic_operand, tie_symbolic_operand, tle_symbolic_operand,
790         symbolic_operand, symbolic_memory_operand, label_ref_operand,
791         sp64_medium_pic_operand, data_segment_operand,
792         text_segment_operand, splittable_symbolic_memory_operand,
793         reg_or_nonsymb_mem_operand, splittable_immediate_memory_operand,
794         eq_or_neq, normal_comp_operator, noov_compare_op,
795         noov_compare64_op, v9_regcmp_op, extend_op, cc_arithop,
796         cc_arithopn, arith_operand, arith_4096_operand, arith_add_operand,
797         const64_operand, const64_high_operand, arith11_operand,
798         arith10_operand, arith_double_operand, arith_double_4096_operand,
799         arith_double_add_operand, arith11_double_operand,
800         arith10_double_operand, small_int, small_int_or_double,
801         uns_small_int, uns_arith_operand, clobbered_register,
802         input_operand, compare_operand): Delete.
803         (sparc_emit_set_const32): Use predicates in assertion.  Remove special
804         code for TARGET_ARCH64 && HOST_BITS_PER_WIDE_INT != 64.
805         (sparc_emit_set_const64): Call gcc_unreachable if H_B_P_W_I == 32.
806         (GEN_HIGHINT64, GEN_INT64): Delete.
807         (sparc_emit_set_safe_HIGH64, gen_safe_SET64, gen_safe_OR64,
808         gen_safe_XOR64): Adjust for above deletion.
809         (sparc_emit_set_const64): Support only H_B_P_W_I == 64 and CONST_INTs.
810         Use 'unsigned HOST_WIDE_INT' instead of 'long' for bitmask.
811         (legitimate_constant_p): Use const_zero_operand instead.
812         (sparc_extra_constraint_check): Likewise.
813         * config/sparc/sparc.h (CONST_DOUBLE_OK_FOR_LETTER_P): Remove 'O'.
814         (PREFERRED_RELOAD_CLASS): Use const_zero_operand.
815         (PREDICATE_CODES): Delete.
816         * config/sparc/sparc.md: Include predicates.md.
817         (All patterns): Adjust for new predicate names.
818         (cmpdi, cmpdi_sp64): Use arith_operand predicate.
819         (movhi_const64_special, movsi_const64_special): Add 'K' constraint.
820         (movdi): Use general_operand predicate.
821         (movdi_sp64_dbl): Delete.
822         (movdi_const64_special): Add 'N' constraint.
823         (movdicc): Use arith10_operand predicate.
824         (movdi_cc_sp64, movdi_cc_sp64_trunc): Use arith11_operand predicate.
825         (movdi_cc_reg_sp64): Use arith10_operand predicate.
826         (movdi_cc_reg_sp64_trunc): Delete.
827         (cmp_zero_extract, cmp_zero_extract_sp64): Use small_int_operand.
828         (adddi3_sp64, cmp_ccx_plus, cmp_ccx_plus_set): Use arith_operand.
829         (subdi3_sp32): Delete.
830         (subdi3_insn_sp32): Change to define_insn_and_split.
831         (subdi3_sp64, cmp_minus_ccx, cmp_minus_ccx_set): Use arith_operand.
832         (muldi3, muldi3_sp64, muldi3_v8plus): Likewise.
833         (smulsi3_highpart_v8plus, const_smulsi3_highpart_v8plus,
834         umulsi3_highpart_v8plus, const_umulsi3_highpart_v8plus): Use
835         small_int_operand predicate.
836         (divdi3, udivdi3): Use arith_operand predicate.
837         (udivsi3, udivsi3_sp32, udivsi3_sp64): Use nonimmediate_operand.
838         (and<V64I>3_sp64, ior<V64I>3_sp64, xor<V64I:mode>3_sp64,
839         xor_not_<V64I:mode>_sp64) : Use arith_operand predicate.
840         (xordi3_sp64_dbl): Delete.
841         (cmp_ccx_arith_op, cmp_ccx_arith_op_set, cmp_ccx_xor_not,
842         cmp_ccx_xor_not_set, cmp_ccx_arith_op_not, cmp_ccx_arith_op_not_set,
843         cmp_ccx_neg, cmp_ccx_set_neg, one_cmpl<V64I>2_sp64, cmp_ccx_not,
844         cmp_ccx_set_not): Use arith_operand predicate.
845         (ashrsi3_extend2, lshrsi3_extend2 et al.): Use small_int_operand.
846         * config/sparc/predicates.md: New file.
847
848 2005-04-21  Kazu Hirata  <kazu@cs.umass.edu>
849
850         PR tree-optimization/14846
851         * fold-const.c (fold_single_bit_test_into_sign_test): New,
852         split out from ...
853         (fold_single_bit_test): ... here.
854         (fold_binary): Call fold_single_bit_test_into_sign_test
855         instead of fold_single_bit_test.
856
857 2005-04-20  James E Wilson  <wilson@specifixinc.com>
858
859         PR c++/20805
860         * dwarf2out.c (gen_variable_die): Don't emit a specification if this
861         is another declaration.
862
863 2005-04-21  Hans-Peter Nilsson  <hp@axis.com>
864
865         * config/cris/predicates.md: New file.
866         * config/cris/cris-protos.h (cris_store_multiple_op_p)
867         (cris_movem_load_rest_p): Declare.
868         * config/cris/cris.c (cris_store_multiple_op): Return bool, not int.
869         (cris_movem_load_rest_p): Ditto.  Globalize.
870         (cris_bdap_operand, cris_bdap_biap_operand,
871         cris_orthogonal_operator, cris_commutative_orth_op,
872         cris_operand_extend_operator,
873         cris_additive_operand_extend_operator, cris_extend_operator,
874         cris_plus_or_bound_operator, cris_mem_op,
875         cris_general_operand_or_symbol,
876         cris_general_operand_or_gotless_symbol,
877         cris_general_operand_or_plt_symbol, cris_mem_call_operand,
878         cris_load_multiple_op): Remove predicate functions.
879         (cris_symbol, cris_gotless_symbol) <case UNSPEC>: Return 0, don't
880         abort, for UNSPECs other than CRIS_UNSPEC_PLT.
881         * config/cris/cris.h (PREDICATE_CODES): Don't define.
882         * config/cris/cris.md: Include predicates.md.
883         ("call", "call_value"): Generate CONSTs of Pmode, not VOIDmode.
884
885 2005-04-20  Ian Lance Taylor  <ian@airs.com>
886
887         * c-common.def: Remove STMT_EXPR (moved to cp/cp-tree.def).
888         * c-common.h (STMT_EXPR_STMT): Don't define.
889         (STMT_EXPR_NO_SCOPE): Don't define.
890         * c-dump.c (c_dump_tree): Don't handle STMT_EXPR.
891         * c-pretty-print.c (pp_c_primary_expression): Likewise.
892         (pp_c_expression): Likewise.
893
894 2005-04-20  Richard Henderson  <rth@redhat.com>
895
896         PR target/21100
897         * config/i386/mmx.md (push<MMXMODE>1): Fix predicate thinko.
898
899 2005-04-20  Jeff Law  <law@redhat.com>
900
901         * reload1.c (reload): Ignore equivalences between pseudos and
902         read only memory.
903
904 2005-04-20  Joseph S. Myers  <joseph@codesourcery.com>
905
906         PR c/12913
907         * c-tree.h (struct c_label_list): Update comment.
908         (struct c_label_context): Rename to struct c_label_context_se.
909         (label_context_stack): Rename to label_context_stack_se.
910         (C_DECL_UNJUMPABLE_VM, C_DECL_UNDEFINABLE_VM, struct
911         c_label_context_vm, label_context_stack_vm, c_begin_vm_scope,
912         c_end_vm_scope): New.
913         (C_DECL_DECLARED_BUILTIN, C_DECL_USED): Use FUNCTION_DECL_CHECK.
914         * c-decl.c (pop_scope): Call c_end_vm_scope.
915         (pushdecl): Call c_begin_vm_scope for variably modified
916         declarations.
917         (define_label): Check for jumping into scope of identifier with
918         variably modified type.  Push label on stack for those defined at
919         current context of identifiers with variably modified type.
920         (start_function): Create stack level for context of identifiers
921         with variably modified type.
922         (finish_function): Pop stack level for context of identifiers with
923         variably modified type.
924         * c-typeck.c (label_context_stack): Rename to
925         label_context_stack_se.
926         (label_context_stack_vm, c_begin_vm_scope, c_end_vm_scope): New.
927         (c_finish_goto_label): Check for jumping into scope of identifier
928         with variably modified type.  Push label on stack for those jumped
929         to from current context of identifiers with variably modified
930         type.
931         (struct c_switch): Add blocked_vm.
932         (c_start_case): Initialize blocked_vm.
933         (do_case): Check blocked_vm.
934         (c_finish_case): Add comment.
935         (c_begin_stmt_expr, c_finish_stmt_expr): Update for renamed
936         variable label_context_stack.
937
938 2005-04-20  Kazu Hirata  <kazu@cs.umass.edu>
939
940         * tree-ssa-phiopt.c (tree_ssa_phi_opt): Update calls to
941         conditional_replacement, value_replacement, abs_replacement,
942         minmax_replacement.
943         (replace_phi_edge_with_variable): Remove argument BB.
944         (conditional_replacement, value_replacement,
945         minmax_replacement, abs_replacement): Remove argument PHI_BB.
946         Update a call to replace_phi_edge_with_variable.
947
948         * tree-ssa-phiopt.c: Fix comments.
949
950 2005-04-20  Michael Matz  <matz@suse.de>
951
952         PR20973
953         * reload.c (push_reload, find_dummy_reload): Check for uninitialized
954         pseudos.
955
956 2005-04-20  Kazu Hirata  <kazu@cs.umass.edu>
957
958         * tree-ssa-phiopt.c: Fix comment typos.
959
960         PR tree-optimization/21116
961         * tree-ssa-phiopt.c: Fix a typo.
962
963 2005-04-19  Richard Henderson  <rth@redhat.com>
964
965         * builtins.c (expand_builtin_sync_operation): Revert last change.
966         * optabs.c (expand_bool_compare_and_swap): Compare vs old value,
967         not vs new value.
968         (expand_compare_and_swap_loop): Likewise.
969         (expand_sync_operation): Remove fallback from NAND to AND; invert
970         memory operand when expanding from cmpxchg.
971         (expand_sync_fetch_operation): Likewise.
972         * doc/extend.texi (Atomic Builtins): Fix docs for nand and
973         compare-and-swap.
974
975         * config/alpha/alpha.c (alpha_split_atomic_op): Invert memory operand
976         when implementing NAND.  Fix double-add for AFTER.
977         * config/alpha/sync.md (sync_nand<I48MODE>): Invert memory operand.
978         (sync_old_nand<I48MODE>, sync_new_nand<I48MODE>): Likewise.
979         (sync_compare_and_swap<I48MODE>): Fix compare vs zero.  Return old
980         memory value.
981         (sync_lock_test_and_set<I48MODE>): Remove extra label and last
982         memory barrier.
983
984         * config/i386/sync.md (sync_compare_and_swap<IMODE>): Fix pattern
985         to return old memory value.
986         (sync_compare_and_swap_cc<IMODE>): Likewise.
987
988         * config/ia64/ia64.c (ia64_dependencies_evaluation_hook): Early
989         return pre-reload.  Don't consider output or anti dependencies.
990         * config/ia64/sync.md (IMODE): New.
991         (modesuffix): Add QI and HI.
992         (memory_barrier): Simplify expansion.
993         (sync_compare_and_swap<IMODE>): Use IMODE, not I48MODE.
994         (cmpxchg_acq_<IMODE>): Likewise.
995         (sync_lock_test_and_set<IMODE>): Likewise.
996         (sync_lock_release<IMODE>): Likewise.
997
998 2005-04-19  James A. Morrison  <phython@gcc.gnu.org>
999
1000         * fold-const.c (fold_binary): Fold ~(X ^ Y) to ~X ^ Y or X ^ ~Y if
1001         ~X or ~Y simplify.
1002
1003 2005-04-19  James A. Morrison  <phython@gcc.gnu.org>
1004
1005         * fold-const (fold_binary):  Fold ~X ^ ~ Y to X ^ Y.
1006
1007 2005-04-20  Michael Pogue  <michael.pogue@sun.com>
1008             Joseph S. Myers  <joseph@codesourcery.com>
1009
1010         * c.opt (Wint-to-pointer-cast, Wpointer-to-int-cast): New options.
1011         * c-typeck.c (build_c_cast): Check these options.
1012         * doc/invoke.texi: Document these options.
1013
1014 2005-04-20  Kazu Hirata  <kazu@cs.umass.edu>
1015
1016         * tree-ssa-phiopt.c: Update a comment about the pass.
1017
1018 2005-04-19  Kazu Hirata  <kazu@cs.umass.edu>
1019
1020         * tree-ssa-phiopt.c, config/arm/arm.c, config/fr30/fr30.md,
1021         config/mcore/mcore.c: Fix comment typos.
1022
1023 2005-04-19  Daniel Jacobowitz  <dan@codesourcery.com>
1024
1025         * Makefile.in (libgcc.mk): Pass GCC_FOR_TARGET.
1026         * mklibgcc.in: Use $GCC_FOR_TARGET instead of ./xgcc.
1027
1028 2005-04-19  Paul Brook  <paul@codesourcery.com>
1029
1030         * config/arm/arm.c (arm_init_libfuncs): Clear mod optabs. 
1031
1032 2005-04-19  Andrew Haley  <aph@redhat.com>
1033
1034         PR java/21022
1035         * dbxout.c (dbxout_type_fields): Check DECL_IGNORED_P before
1036         looking at a field's bitpos.
1037
1038 2005-04-19  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1039
1040         * system.h (fopen, fdopen, freopen): Define these to the unlocked
1041         libiberty functions.
1042
1043 2005-04-19  Kazu Hirata  <kazu@cs.umass.edu>
1044
1045         PR tree-optimization/21096
1046         * tree-ssa-copy.c (fini_copy_prop): Free cached_last_copy_of.
1047
1048 2005-04-19  Alan Modra  <amodra@bigpond.net.au>
1049
1050         PR target/21098
1051         * config/rs6000/rs6000.c (rs6000_elf_end_indicate_exec_stack): New.
1052         * config/rs6000/linux64.h (TARGET_ASM_FILE_END): Use the above.
1053
1054 2005-04-19  Alexandre Oliva  <aoliva@redhat.com>
1055
1056         * tree-cfg.c (dump_function_to_file): Use cfun info only if it
1057         refers to the function being dumped.
1058
1059 2005-04-18  Daniel Jacobowitz  <dan@codesourcery.com>
1060
1061         * varasm.c (assemble_start_function): Remove reset of in_section.
1062
1063 2005-04-18  James A. Morrison  <phython@gcc.gnu.org>
1064
1065         PR tree-optimization/21085
1066         * fold-const (fold_binary): Don't change X % -C to X % C if C has
1067         overflowed.
1068
1069 2005-04-19  Ben Elliston  <bje@au.ibm.com>
1070
1071         * doc/invoke.texi (Optimize Options): Refer to the correct
1072         optimisation flag -ftree-dominator-opts, not -ftree-dom.
1073
1074 2005-04-18  Christopher Jaillet <christophe.jaillet@wanadoo.fr>
1075
1076         * config/rs6000/rs6000.c (machopic_output_stub):  Increase
1077         alloca argument to be big enough.
1078
1079 2005-04-18  Alexandre Oliva  <aoliva@redhat.com>
1080
1081         PR middle-end/21049
1082         * tree-cfg.c (dump_function_to_file): Do not crash if cfun or
1083         cfun->cfg are NULL.
1084
1085 2005-04-18  Tom Tromey  <tromey@redhat.com>
1086
1087         * cgraphunit.c (cgraph_finalize_compilation_unit): Fix a comment
1088         typo.
1089
1090 2005-04-18  Richard Henderson  <rth@redhat.com>
1091
1092         * config/alpha/alpha.c (alpha_split_atomic_op): New.
1093         (alphaev5_insn_pipe): Add LD_L, ST_C, MB types.
1094         (alphaev4_insn_pipe): Likewise.  Correct IST and LDSYM pipes.
1095         * config/alpha/alpha-protos.h: Update.
1096         * config/alpha/alpha.md (UNSPECV_MB, UNSPECV_LL, UNSPECV_SC): New.
1097         (UNSPECV_ATOMIC, UNSPECV_CMPXCHG, UNSPECV_XCHG): New.
1098         (attr type): Add ld_l, st_c, mb.
1099         (andsi_internal, andnotsi3, iorsi_internal, one_cmplsi_internal,
1100         iornotsi3, xorsi_internal, xornotsi3): New.
1101         * config/alpha/ev4.md (ev4_ld): Add ld_l.
1102         (ev4_ist_c, ev4_mb): New.
1103         * config/alpha/ev5.md (ev5_st): Add st_c, mb.
1104         (ev5_ld_l): New.
1105         * config/alpha/ev6.md (ev6_ild): Add ld_l.
1106         (ev6_ist): Add st_c.
1107         (ev6_mb): New.
1108         * config/alpha/sync.md: New file.
1109
1110 2005-04-18  Richard Henderson  <rth@redhat.com>
1111
1112         * builtins.c (expand_builtin_sync_operation): Fold nand to and
1113         for constants.
1114
1115         * optabs.c (expand_sync_operation): Fix typo expanding nand to and.
1116
1117 2005-04-18  Devang Patel  <dpatel@apple.com>
1118
1119         * config/rs6000/atlivec.md (mulv4si3): New pattern.
1120         
1121 2005-04-18  James A. Morrison  <phython@gcc.gnu.org>
1122
1123         PR tree-optimization/20922
1124         * fold-const.c (fold_binary): Fold X - c > X and X + c < X to false.
1125         Fold X + c >= X and fold X - c <= X to true.
1126
1127 2005-04-18  James A. Morrison  <phython@gcc.gnu.org>
1128
1129         * config/ia64/unwind-ia64.c (emergency_reg_state_free): Make an
1130         unsigned int.
1131         (emergency_labeled_state_free): Likewise.
1132
1133 2005-04-18  Nick Clifton  <nickc@redhat.com>
1134
1135         * config/h8300/h8300.md (jump): Remove prescan parameter from
1136         calls to final_scan_insn.
1137
1138         * config/arc/arc.c (arc_output_function_epilogue): Remove prescan
1139         parameter from calls to final_scan_insn.
1140
1141         * config.gcc (m68hc12): Use the m68hc11.opt file for target
1142         specific options.
1143         (v850e, v850e1): Use the v850.opt file for target specific
1144         options.
1145
1146 2005-04-18  Kazu Hirata  <kazu@cs.umass.edu>
1147
1148         PR tree-optimization/21001
1149         * tree-optimize.c (init_tree_optimization_passes): Move the
1150         first pass_forwprop immediately before pass_vrp.
1151
1152 2005-04-17  Ian Lance Taylor  <ian@airs.com>
1153
1154         * c-common.def (SIZEOF_EXPR, ARROW_EXPR, ALIGNOF_EXPR): Remove.
1155         * c-common.c (c_sizeof_or_alignof_type): Change second parameter
1156         from enum tree_code op to bool is_sizeof.
1157         * c-common.h (c_sizeof_or_alignof_type): Update declaration.
1158         (c_sizeof, c_alignof): Update calls to c_sizeof_or_alignof_type.
1159         * c-pretty-print.c (pp_c_postfix_expression): Remove ARROW_EXPR
1160         case.
1161         (pp_c_unary_expression): Remove SIZEOF_EXPR and ALIGNOF_EXPR
1162         cases.
1163         (pp_c_expression): Remove ARROW_EXPR, SIZEOF_EXPR, and
1164         ALIGNOF_EXPR cases.
1165
1166 2005-04-17  Ian Lance Taylor  <ian@airs.com>
1167
1168         * system.h: Poison DONT_ACCESS_GBLS_AFTER_EPILOGUE.
1169
1170 2005-04-17  Richard Henderson  <rth@redhat.com>
1171
1172         * config/alpha/alpha.c (va_list_skip_additions): Only define if
1173         TARGET_ABI_OSF.
1174         (TARGET_STDARG_OPTIMIZE_HOOK): Likewise.
1175         (alpha_stdarg_optimize_hook): Likewise.  Allow for one more round
1176         of indirection through ssa names while looking for the gpr counter
1177         field.
1178         (alpha_setup_incoming_varargs) <TARGET_ABI_OSF>: Make use of the
1179         saved va_list_gpr_size and va_list_fpr_size.
1180
1181 2005-04-17  Kazu Hirata  <kazu@cs.umass.edu>
1182
1183         * tree-vrp.c (compare_values): Check that VAL1 and VAL2 are
1184         both pointers or both integers.
1185
1186         * tree-vrp.c (maybe_add_assert_expr): Don't assert
1187         ASSERT_EXPRs for single-use variable.
1188
1189         * tree-into-ssa.c: Fix a comment typo.
1190
1191 2005-04-17  Richard Sandiford  <rsandifo@redhat.com>
1192
1193         * config/mips/iris6.h (DRIVER_SELF_SPECS): Check -march as well as
1194         -mipsN before forcing a default of -mips2.
1195
1196 2005-04-17  Kazu Hirata  <kazu@cs.umass.edu>
1197
1198         * predict.h (IS_TAKEN): Remove.
1199         * rtl.h (NOTE_PREDICTION): Likewise.
1200
1201         * modulo-sched.c (CFG_HOOKS): Remove.
1202
1203         * c-parser.c (N_C_TTYPES): Remove.
1204
1205         * tree-flow-inline.h (get_stmt_operands): Remove.
1206         * lambda-code.c, tree-ssa-loop-unswitch.c,
1207         tree-ssa-operands.c, tree-ssa-pre.c, tree-ssa-propagate.c,
1208         tree-ssa-sink.c, tree-ssa.c, tree-tailcall.c,
1209         tree-vect-transform.c, tree-vectorizer.c, tree-vrp.c): Remove
1210         calls to get_stmt_operands.
1211         * doc/tree-ssa.texi: Don't mention get_stmt_operands.
1212
1213 2005-04-17  Richard Henderson  <rth@redhat.com>
1214
1215         PR target/20375
1216         * config/alpha/alpha.c (alpha_setup_incoming_varargs): Advance a copy
1217         of CUMULATIVE_ARGS past the last named argument.
1218         (alpha_va_start): Expect pretend_args_size only if strictly less than
1219         6 named arguments.
1220
1221 2005-04-17  Kazu Hirata  <kazu@cs.umass.edu>
1222
1223         PR middle-end/21024
1224         * builtins.c (expand_builtin_strcat): Convert the result of
1225         strlen to the right type.
1226         * fold-const.c (fold_binary) <PLUS_EXPR>: Use fold_convert to
1227         avoid creating type mismatches.
1228         <GE_EXPR>: Pass op0 and op1 to fold_build2 to avoid creating
1229         type mismatches.
1230
1231         * c-lex.c (WCHAR_TYPE_SIZE, WCHAR_BYTES): Remove.
1232
1233 2005-04-16  Richard Henderson  <rth@redhat.com>
1234
1235         PR target/21051
1236         * builtins.c (expand_builtin) <BUILT_IN_BOOL_COMPARE_AND_SWAP_*>:
1237         Use the mode of boolean_type_node when the user doesn't provide one.
1238         * config/ia64/sync.md (sync_lock_release<I48MODE>): Use operand 1.
1239
1240 2005-04-16  Alexandre Oliva  <aoliva@redhat.com>
1241
1242         PR target/20126
1243         * loop.c (loop_givs_rescan): Handle non-replaceable (plus (reg)
1244         (const)).
1245
1246         * tree-scalar-evolution.c (interpret_rhs_modify_expr): Fix typo in
1247         comment.
1248
1249 2005-04-16  Roger Sayle  <roger@eyesopen.com>
1250             Steven Bosscher  <stevenb@suse.de>
1251
1252         * fold-const.c (fold_binary_to_constant): Delete obsolete comment.
1253         (fold_unary_to_constant): Likewise.
1254
1255 2005-04-16  Kazu Hirata  <kazu@cs.umass.edu>
1256
1257         * basic-block.h: Adjust the value of PROP_SCAN_DEAD_STORES,
1258         PROP_ASM_SCAN.
1259
1260 2005-04-16  Gerald Pfeifer  <gerald@pfeifer.com>
1261
1262         * doc/install.texi (Specific): Avoid using asterisks in @anchor
1263         names related to target triplets.
1264         Remove i?86-*-esix from platform directory.
1265         Remove powerpc-*-eabiaix from platform directory.
1266
1267 2005-04-16  Joseph S. Myers  <joseph@codesourcery.com>
1268
1269         PR middle-end/20491
1270         * config/ia64/ia64.c (rtx_needs_barrier): Recurse instead of
1271         falling through from SUBREG case to REG.
1272
1273 2005-04-15  Roger Sayle  <roger@eyesopen.com>
1274
1275         * fold-const.c (fold_relational_hi_lo): Delete function and prototype.
1276         (fold_binary): Update comment mentioning fold_relational_hi_lo.
1277         (fold_binary_to_constant): Simplify using fold_binary.
1278         (fold_unary_to_constant): Likewise, simplify using fold_unary.
1279
1280 2005-04-15  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
1281
1282         * gthr-posix.c (pthread_cancel): Define.
1283         (pthread_mutexattr_init): Likewise.
1284         (pthread_mutexattr_settype): Likewise.
1285         (pthread_mutexattr_destroy): Likewise.
1286
1287 2005-04-15  David S. Miller  <davem@davemloft.net>
1288
1289         PR target/20673
1290         * config/sparc/sparc.h (sparc_hard_reg_printed): Mark as GTY(()).
1291
1292 2005-04-15  Kazu Hirata  <kazu@cs.umass.edu>
1293
1294         PR tree-optimization/21031
1295         * tree-ssa-forwprop.c (ssa_name_defined_by_comparison_p): New.
1296         (forward_propagate_into_cond_1): Call it.  Forward propagate
1297         integer-integer casts into COND_EXPRs.
1298
1299 2005-04-15  Dave Korn  <dave.korn@artimi.com>
1300
1301         * gcc.c (default_compilers): Clarify obscure error message when
1302         reading from standard input.
1303
1304 2005-04-15  Kazu Hirata  <kazu@cs.umass.edu>
1305
1306         * basic-block.h (PROP_EQUAL_NOTES): Remove.
1307         * flow.c (propagate_one_insn): Don't use PROP_EQUAL_NOTES.
1308
1309         * tree-ssa-alias.c (init_alias_info): Remove a call to
1310         get_stmt_operands.
1311
1312 2005-04-15  Andrew MacLeod  <amacleod@redhat.com>
1313
1314         * tree-vect-analyze.c (vect_stmt_relevant_p): Process immediate uses
1315         of non-virtual PHI nodes like we use to.
1316
1317 2005-05-15  Paolo Bonzini  <bonzini@gnu.org>
1318
1319         * genattrtab.c (ATTR_EQ_ATTR_P): Remove.
1320         (attr_copy_rtx): Do not use it.
1321
1322 2005-04-15  Andrew Macleod  <amacleod@redhat.com>
1323
1324         * doc/tree-ssa.texi: Grammer/abbreviation updates.
1325
1326 2005-04-15  Diego Novillo  <dnovillo@redhat.com>
1327
1328         * tree-vect-transform.c (vectorizable_store): Mark necessary
1329         objects in the vectorized store needing renaming.  Update the
1330         SSA graph for V_MAY_DEF operands in the original store.
1331
1332 2005-04-14  Daniel Berlin <dberlin@dberlin.org>
1333
1334         * tree-ssa-pre.c (compute_avail): It's okay to have
1335         TREE_INVARIANT's here, and value number the resulting expressions.
1336         (create_expression_by_pieces): Make sure operands that were
1337         min_invariant when we started, stay that way.
1338
1339 2005-04-15  David Edelsohn  <edelsohn@gnu.org>
1340
1341         * doc/install.texi (*-ibm-aix*): Add comment about system limits.
1342
1343 2005-04-15  Kazu Hirata  <kazu@cs.umass.edu>
1344
1345         PR tree-optimization/20936.
1346         * tree-ssa-ccp.c (visit_assignment): Fix a typo.
1347
1348 2005-04-15  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
1349
1350         * doc/invoke.texi: Fix typos.
1351         * doc/md.texi: Likewise.
1352         * doc/rtl.texi: Likewise.
1353         * doc/sourcebuild.texi: Likewise.
1354         * doc/tm.texi: Likewise.
1355
1356 2005-04-15  Uros Bizjak  <uros@kss-loka.si>
1357
1358         PR tree-optimization/21004
1359         * convert.c (convert_to_integer): Convert ceilf, ceill, floorf
1360         and floorl in c99 mode only.
1361         * builtins.c (expand_builtin_int_roundingfn): Assert that
1362         fallback_fndecl is not NULL_TREE.
1363
1364 2005-04-15  Kazu Hirata  <kazu@cs.umass.edu>
1365
1366         * cfgrtl.c (purge_all_dead_edge): Remove an unused argument.
1367         * basic-block.h: Update the prototype for
1368         purge_all_dead_edges.
1369         * cfgexpand.c (tree_expand_cfg): Update a call to
1370         purge_all_dead_edges.
1371         * combine.c (combine_instructions): Likewise.
1372         * passes.c (rest_of_handle_old_regalloc, rest_of_handle_cse,
1373         rest_of_handle_cse2, rest_of_handle_gcse,
1374         rest_of_handle_postreload): likewise.
1375
1376 2005-04-15  Alexandre Oliva  <aoliva@redhat.com>
1377
1378         PR middle-end/20739
1379         * gimplify.c (gimplify_addr_expr): Compensate for removal of
1380         e.g. cv-qualification conversions.
1381
1382 2005-04-14  Mike Stump  <mrs@apple.com>
1383
1384         * config/darwin-c.c (framework_construct_pathname): We must
1385         find all headers of a framework in the first instance of it
1386         found in the seach path.
1387
1388 2005-04-14  Kazu Hirata  <kazu@cs.umass.edu>
1389
1390         PR tree-optimization/21021
1391         * tree-vrp.c (compare_values): Work around a bug in the front
1392         end that produces a comparison of mismatched types.
1393
1394 2004-04-14  Richard Henderson  <rth@redhat.com>
1395
1396         * config/ia64/ia64.h (enum fetchop_code): Remove.
1397         (enum ia64_builtins): Move ...
1398         * config/ia64/ia64.c (enum ia64_builtins): ... here.  Remove all
1399         members except BSP and FLUSHRS.
1400         (ia64_init_builtins): Remove __sync builtins.
1401         (ia64_expand_builtin): Likewise.
1402         (ia64_expand_fetch_and_op, ia64_expand_op_and_fetch): Remove.
1403         (ia64_expand_compare_and_swap, ia64_expand_lock_test_and_set): Remove.
1404         (ia64_expand_lock_release): Remove.
1405         * config/ia64/ia64.md (mf): Move to sync.md.
1406         (mf_internal, fetchadd_acq_si, fetchadd_acq_di, cmpxchg_acq_si,
1407         cmpxchg_acq_di, xchgsi, xchgdi): Likewise.
1408         * config/ia64/sync.md: New file.
1409         (memory_barrier): Rename from mf.
1410         (fetchadd_acq_<I48MODE>): Macroize from _si/_di patterns.
1411         (cmpxchg_acq_<I48MODE>): Likewise.
1412         (sync_lock_test_and_set<I48MODE>): Likewise.
1413
1414         * config/ia64/ia64intrin.h: Define nothing for C; limit #defines
1415         to c++.  Remove __sync* declarations.  s/_si/_4/.  s/_di/_8/.
1416
1417 2004-04-14  Richard Henderson  <rth@redhat.com>
1418
1419         * config/i386/i386.c (x86_cmpxchg, x86_xadd): New.
1420         (ix86_compare_emitted): New.
1421         (ix86_expand_compare): Use ix86_compare_emitted if set.
1422         (ix86_expand_setcc): Only emit REG_EQUAL if both ix86_compare_op0
1423         and ix86_compare_op0 are set.
1424         * config/i386/i386.h (x86_cmpxchg, x86_xadd): Declare.
1425         (TARGET_CMPXCHG, TARGET_XADD): New.
1426         (ix86_compare_emitted): Declare.
1427         * config/i386/i386.md: Include sync.md
1428         (UNSPECV_CMPXCHG_1, UNSPECV_CMPXCHG_2): New.
1429         (UNSPECV_XCHG, UNSPECV_LOCK): New.
1430         * config/i386/sync.md: New file.
1431
1432 2004-04-14  Richard Henderson  <rth@redhat.com>
1433
1434         PR middle-end/14311
1435         * builtin-types.def (BT_BOOL, BT_VOLATILE_PTR, BT_I1, BT_I2,
1436         BT_I4, BT_I8, BT_FN_VOID_VPTR, BT_FN_I1_VPTR_I1, BT_FN_I2_VPTR_I2,
1437         BT_FN_I4_VPTR_I4, BT_FN_I8_VPTR_I8, BT_FN_BOOL_VPTR_I1_I1,
1438         BT_FN_BOOL_VPTR_I2_I2, BT_FN_BOOL_VPTR_I4_I4, BT_FN_BOOL_VPTR_I8_I8,
1439         BT_FN_I1_VPTR_I1_I1, BT_FN_I2_VPTR_I2_I2, BT_FN_I4_VPTR_I4_I4,
1440         BT_FN_I8_VPTR_I8_I8): New.
1441         * builtins.def (DEF_SYNC_BUILTIN): New.
1442         (BUILT_IN_FETCH_AND_ADD_N, BUILT_IN_FETCH_AND_ADD_1,
1443         BUILT_IN_FETCH_AND_ADD_2, BUILT_IN_FETCH_AND_ADD_4,
1444         BUILT_IN_FETCH_AND_ADD_8, BUILT_IN_FETCH_AND_SUB_N,
1445         BUILT_IN_FETCH_AND_SUB_1, BUILT_IN_FETCH_AND_SUB_2,
1446         BUILT_IN_FETCH_AND_SUB_4, BUILT_IN_FETCH_AND_SUB_8,
1447         BUILT_IN_FETCH_AND_OR_N, BUILT_IN_FETCH_AND_OR_1,
1448         BUILT_IN_FETCH_AND_OR_2, BUILT_IN_FETCH_AND_OR_4,
1449         BUILT_IN_FETCH_AND_OR_8, BUILT_IN_FETCH_AND_AND_N,
1450         BUILT_IN_FETCH_AND_AND_1, BUILT_IN_FETCH_AND_AND_2,
1451         BUILT_IN_FETCH_AND_AND_4, BUILT_IN_FETCH_AND_AND_8,
1452         BUILT_IN_FETCH_AND_XOR_N, BUILT_IN_FETCH_AND_XOR_1,
1453         BUILT_IN_FETCH_AND_XOR_2, BUILT_IN_FETCH_AND_XOR_4,
1454         BUILT_IN_FETCH_AND_XOR_8, BUILT_IN_FETCH_AND_NAND_N,
1455         BUILT_IN_FETCH_AND_NAND_1, BUILT_IN_FETCH_AND_NAND_2,
1456         BUILT_IN_FETCH_AND_NAND_4, BUILT_IN_FETCH_AND_NAND_8,
1457         BUILT_IN_ADD_AND_FETCH_N, BUILT_IN_ADD_AND_FETCH_1,
1458         BUILT_IN_ADD_AND_FETCH_2, BUILT_IN_ADD_AND_FETCH_4,
1459         BUILT_IN_ADD_AND_FETCH_8, BUILT_IN_SUB_AND_FETCH_N,
1460         BUILT_IN_SUB_AND_FETCH_1, BUILT_IN_SUB_AND_FETCH_2,
1461         BUILT_IN_SUB_AND_FETCH_4, BUILT_IN_SUB_AND_FETCH_8,
1462         BUILT_IN_OR_AND_FETCH_N, BUILT_IN_OR_AND_FETCH_1,
1463         BUILT_IN_OR_AND_FETCH_2, BUILT_IN_OR_AND_FETCH_4,
1464         BUILT_IN_OR_AND_FETCH_8, BUILT_IN_AND_AND_FETCH_N,
1465         BUILT_IN_AND_AND_FETCH_1, BUILT_IN_AND_AND_FETCH_2,
1466         BUILT_IN_AND_AND_FETCH_4, BUILT_IN_AND_AND_FETCH_8,
1467         BUILT_IN_XOR_AND_FETCH_N, BUILT_IN_XOR_AND_FETCH_1,
1468         BUILT_IN_XOR_AND_FETCH_2, BUILT_IN_XOR_AND_FETCH_4,
1469         BUILT_IN_XOR_AND_FETCH_8, BUILT_IN_NAND_AND_FETCH_N,
1470         BUILT_IN_NAND_AND_FETCH_1, BUILT_IN_NAND_AND_FETCH_2,
1471         BUILT_IN_NAND_AND_FETCH_4, BUILT_IN_NAND_AND_FETCH_8,
1472         BUILT_IN_BOOL_COMPARE_AND_SWAP_N, BUILT_IN_BOOL_COMPARE_AND_SWAP_1,
1473         BUILT_IN_BOOL_COMPARE_AND_SWAP_2, BUILT_IN_BOOL_COMPARE_AND_SWAP_4,
1474         BUILT_IN_BOOL_COMPARE_AND_SWAP_8, BUILT_IN_VAL_COMPARE_AND_SWAP_N,
1475         BUILT_IN_VAL_COMPARE_AND_SWAP_1, BUILT_IN_VAL_COMPARE_AND_SWAP_2,
1476         BUILT_IN_VAL_COMPARE_AND_SWAP_4, BUILT_IN_VAL_COMPARE_AND_SWAP_8,
1477         BUILT_IN_LOCK_TEST_AND_SET_N, BUILT_IN_LOCK_TEST_AND_SET_1,
1478         BUILT_IN_LOCK_TEST_AND_SET_2, BUILT_IN_LOCK_TEST_AND_SET_4,
1479         BUILT_IN_LOCK_TEST_AND_SET_8, BUILT_IN_LOCK_RELEASE_N,
1480         BUILT_IN_LOCK_RELEASE_1, BUILT_IN_LOCK_RELEASE_2,
1481         BUILT_IN_LOCK_RELEASE_4, BUILT_IN_LOCK_RELEASE_8,
1482         BUILT_IN_SYNCHRONIZE: New.
1483         * builtins.c (called_as_built_in): Rewrite from CALLED_AS_BUILT_IN
1484         as a function.  Accept __sync_ as a prefix as well.
1485         (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
1486         expand_builtin_lock_test_and_set, expand_builtin_synchronize,
1487         expand_builtin_lock_release): New.
1488         (expand_builtin): Call them.
1489         * c-common.c (DEF_BUILTIN): Don't require __builtin_ prefix if
1490         neither BOTH_P nor FALLBACK_P are defined.
1491         (builtin_type_for_size): New.
1492         (sync_resolve_size, sync_resolve_params, sync_resolve_return): New.
1493         (resolve_overloaded_builtin): New.
1494         * c-common.h (resolve_overloaded_builtin): Declare.
1495         (builtin_type_for_size): Declare.
1496         * c-typeck.c (build_function_call): Invoke resolve_overloaded_builtin.
1497         * expr.c (sync_add_optab, sync_sub_optab, sync_ior_optab,
1498         sync_and_optab, sync_xor_optab, sync_nand_optab, sync_old_add_optab,
1499         sync_old_sub_optab, sync_old_ior_optab, sync_old_and_optab,
1500         sync_old_xor_optab, sync_old_nand_optab, sync_new_add_optab,
1501         sync_new_sub_optab, sync_new_ior_optab, sync_new_and_optab,
1502         sync_new_xor_optab, sync_new_nand_optab, sync_compare_and_swap,
1503         sync_compare_and_swap_cc, sync_lock_test_and_set,
1504         sync_lock_release): New.
1505         * optabs.h: Declare them.
1506         * expr.h (expand_val_compare_and_swap, expand_bool_compare_and_swap,
1507         expand_sync_operation, expand_sync_fetch_operation,
1508         expand_sync_lock_test_and_set): Declare.
1509         * genopinit.c (optabs): Add sync optabs.
1510         * optabs.c (init_optabs): Initialize sync optabs.
1511         (expand_val_compare_and_swap_1, expand_val_compare_and_swap,
1512         expand_bool_compare_and_swap, expand_compare_and_swap_loop,
1513         expand_sync_operation, expand_sync_fetch_operation,
1514         expand_sync_lock_test_and_set): New.
1515         * doc/extend.texi (Atomic Builtins): New section
1516         * doc/md.texi (Standard Names): Add sync patterns.
1517
1518 2005-04-14  Alexandre Oliva  <aoliva@redhat.com>
1519
1520         * tree-eh.c (lower_try_finally_copy): Generate new code in
1521         response to goto_queue entries as if the queue was sorted by
1522         index, not pointers.
1523         (lower_try_finally_switch): Likewise.
1524
1525 2005-04-14  Richard Henderson  <rth@redhat.com>
1526
1527         * config/i386/i386.c (ix86_expand_sse_cmp): Split out from ...
1528         (ix86_expand_sse_movcc): ... here.  Take cmp as a pre-computed
1529         register.
1530         (ix86_expand_fp_movcc): Update to match.
1531         (ix86_expand_fp_vcond, ix86_expand_int_vcond): New.
1532         * config/i386/i386-protos.h: Update.
1533         * config/i386/sse.md (vcondv4sf, vcondv2df): New.
1534         (vcond<SSEMODE124>, vcondu<SSEMODE12>): New.
1535
1536 2005-04-14  Joseph S. Myers  <joseph@codesourcery.com>
1537
1538         * doc/cpp.texi, doc/install.texi: Change references to GCC 3.5 to
1539         refer to 4.0.
1540
1541 2005-04-14  Julian Brown  <julian@codesourcery.com>
1542
1543         * Revert elfos.h part of my patch from 2005-04-13 for causing libstdc++
1544         link failures on ppc64 Linux.
1545
1546 2005-04-14  Andreas Krebbel  <krebbel1@de.ibm.com>
1547
1548         * config.gcc: Set cpu_type for s390.
1549
1550 2005-04-14  Daniel Berlin  <dberlin@dberlin.org>
1551
1552         Fix PR tree-optimization/20963
1553         * tree-ssa-pre.c (compute_avail): Remove special case for
1554         TREE_INVARIANT.
1555         (create_expression_by_pieces): Add value numbers for forced out
1556         statements.
1557
1558 2005-04-14  Hans-Peter Nilsson  <hp@axis.com>
1559
1560         * config/cris/cris.md: Replace references to (reg:SI 16) with
1561         (reg:SI CRIS_SRP_REGNUM).
1562
1563 2005-04-14  Kazu Hirata  <kazu@cs.umass.edu>
1564
1565         PR tree-optimization/20657
1566         * tree-vrp.c (extract_range_from_expr): Notice INTEGER_CST to
1567         create an appropriate range from it.
1568
1569 2005-04-14  Uros Bizjak  <uros@kss-loka.si>
1570
1571         * reg-stack.c (subst_stack_regs_pat): Handle <UNSPEC_FIST_FLOOR> and
1572         <UNSPEC_FIST_CEIL> case.
1573
1574         * config/i386/i386.md (UNSPEC_FIST_FLOOR, UNSPEC_FIST_CEIL): New.
1575         (*fist<mode>2_floor_1, fistdi2_floor, fistdi2_floor_with_temp)
1576         (fist<mode>2_floor, fist<mode>2_floor_with_temp): New isns patterns
1577         to implement lfloor and llfloor built-ins as x87 intrinsic function.
1578         (fistdi2_floor, fist<mode>2_floor splitters): New splitters.
1579         (lfloor<mode>2): New expanders.
1580         (*fist<mode>2_ceil_1, fistdi2_ceil, fistdi2_ceil_with_temp)
1581         (fist<mode>2_ceil, fist<mode>2_ceil_with_temp): New isns patterns
1582         to implement lceil and llceil built-ins as x87 intrinsic function.
1583         (fistdi2_ceil, fist<mode>2_ceil splitters): New splitters.
1584         (lceil<mode>2): New expanders.
1585
1586 2005-04-14  Uros Bizjak  <uros@kss-loka.si>
1587
1588         * convert.c (convert_to_integer): Convert (long int)trunc{,f,l},
1589         and (long long int)ceil{,f,l} into FIX_TRUNC_EXPR.
1590
1591 2005-04-14  Ulrich Weigand  <uweigand@de.ibm.com>
1592
1593         PR target/20927
1594         * config/s390/s390-modes.def: Define TFmode.
1595
1596 2005-04-13  Richard Sandiford  <rsandifo@redhat.com>
1597
1598         * config/mips/mips.h (ASM_OUTPUT_CASE_LABEL): Delete.
1599         (JUMP_TABLES_IN_TEXT_SECTION): Define.
1600         * config/mips/mips.c (mips16_insn_length): Remove reference to
1601         JUMP_TABLES_IN_TEXT_SECTION.
1602
1603 2005-04-13 Fariborz Jahanian <fjahanian@apple.com>
1604
1605         * simplify-rtx.c (simplify_binary_operation_1): Return
1606         scalar or vector of constant 0, depending on the xor's
1607         mode.
1608
1609 2005-04-13  Dale Johannesen  <dalej@apple.com>
1610
1611         * objc/Make-lang.in (objc-lang.o):  Depend on tree-gimple.h.
1612         (objc-act.o):  Ditto.
1613         * objc/objc-act.c (objc_gimplify_expr):  New.
1614         (objc_get_callee_fndecl):  New.
1615         * objc/objc-act.h:  Include tree-gimple.h.  Declare new functions.
1616         * objc/objc-lang.c (LANG_HOOKS_GIMPLIFY_EXPR):  Define.
1617         (LANG_HOOKS_GET_CALLEE_FNDECL):  Define.
1618
1619 2005-04-13  Devang Patel  <dpatel@apple.com>
1620
1621         * tree-if-conv.c (tree_if_convert_cond_expr): Do not create extra
1622         temp variables.
1623
1624 2005-04-13  Hans-Peter Nilsson  <hp@axis.com>
1625
1626         CRIS prologue as RTL.
1627         * config/cris/cris-protos.h (cris_emit_movem_store)
1628         (cris_expand_prologue): Prototype.
1629         * config/cris/cris.c (struct machine_function): New member
1630         stdarg_regs.
1631         (cfa_label_num, cris_target_asm_function_prologue): Remove.
1632         (TARGET_ASM_FUNCTION_PROLOGUE): Don't override.
1633         (cris_general_operand_or_gotless_symbol): Accept CRIS_UNSPEC_GOT.
1634         (cris_load_multiple_op, cris_return_address_on_stack)
1635         (cris_return_address_on_stack_for_return): ISO-Cify.
1636         (cris_store_multiple_op): New predicate function.
1637         (cris_expand_prologue, cris_emit_movem_store): New functions.
1638         (cris_print_operand) <case 'O'>: Handle modifications other than
1639         post-increment.
1640         (cris_symbol, cris_got_symbol): Return 0 for CRIS_UNSPEC_GOT.
1641         (cris_gotless_symbol): Return 1 for CRIS_UNSPEC_GOT.
1642         (cris_gen_movem_load): Rearrange slightly to make local variable
1643         src a parameter, removing osrc.
1644         (cris_setup_incoming_varargs): Set machine_function member
1645         stdarg_regs to correspond to the number of registers that need to
1646         be saved.
1647         * config/cris/cris.h (EXTRA_CONSTRAINT_S): Accept
1648         CRIS_UNSPEC_GOT.
1649         (PREDICATE_CODES): Add cris_store_multiple_op.  Make
1650         cris_general_operand_or_gotless_symbol accept UNSPEC.
1651         * config/cris/cris.md (CRIS_UNSPEC_GOT): New constant.
1652         ("*movsi_internal") <alternative 8>: Handle CRIS_UNSPEC_GOT.
1653         ("*cris_store_multiple"): New pattern.  Tweak common comment above
1654         this and "*cris_load_multiple".
1655         ("prologue"): New define_expand.
1656
1657         * config/cris/cris.md ("epilogue"): Conditionalize on
1658         TARGET_PROLOGUE_EPILOGUE.
1659
1660 2005-04-13  Steve Ellcey  <sje@cup.hp.com>
1661
1662         PR target/20924
1663         * config/ia64/ia64.md (divsf3_internal_lat): Generate frcpa with
1664         fpsr 0 instead of fpsr 1.
1665         (divsf3_internal_thr): Ditto.
1666         (divdf3_internal_lat): Ditto.
1667         (divdf3_internal_thr): Ditto.
1668         (divxf3_internal_lat): Ditto.
1669         (divxf3_internal_thr): Ditto.
1670
1671 2005-04-13  Kazu Hirata  <kazu@cs.umass.edu>
1672
1673         PR tree-optimization/20913
1674         * tree-ssa-copy.c (copy_prop_visit_cond_stmt): Fold COND_EXPR.
1675
1676         PR tree-optimization/20702
1677         * tree-vrp.c (maybe_add_assert_expr): Recurse into
1678         dominator children that haven't been walked into.
1679
1680 2005-04-13  Julian Brown  <julian@codesourcery.com>
1681
1682         * config/elfos.h (MAKE_DECL_ONE_ONLY): Redefined to stop DECL_WEAK from
1683         being used for symbols with vague linkage when HAVE_GAS_COMDAT_GROUP
1684         is true.
1685
1686 2005-04-13  Kazu Hirata  <kazu@cs.umass.edu>
1687
1688         * basic-block.h, tree-ssa-uncprop.c, varasm.c,
1689         config/i386/sse.md: Fix comment typos.
1690
1691         * genattrtab.c (NULL_ATTR): Remove.
1692         * ifcvt.c (NULL_EDGE): Likewise.
1693
1694         * rtl.h (RTX_EXPR_FIRST, RTX_EXPR_LAST): Remove.
1695
1696         * rtl.h (NOTE_PREDICTION_ALG, NOTE_PREDICTION_FLAGS,
1697         NOTE_PREDICT): Remove.
1698
1699 2005-04-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
1700
1701         * configure.ac (gcc_AC_CHECK_DECLS): Add vsnprintf.
1702         * configure: Regenerate.
1703         * config.in: Likewise.
1704         * system.h: Declare vsnprintf if not already declared.
1705
1706 2005-04-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
1707
1708         * optc-gen.awk: Handle stand-alone Mask records.
1709         * opth-gen.awk: Likewise.
1710         * doc/options.texi (Option file format): Document them.
1711         * config.gcc (sparc-*-netbsdelf*, sparc-*-linux*, sparc64-*-freebsd*,
1712         sparc64-*-linux*, sparc64-*-netbsd*): Add long-double-switch.opt.
1713         (sparc64-*-openbsd*, sparc64-*-elf*): Add little-endian.opt.
1714         * config/sparc/sparc.h (MASK_FPU, MASK_UNALIGNED_DOUBLES,
1715         MASK_V8, MASK_SPARCLITE, MASK_SPARCLET, MASK_V9,
1716         MASK_DEPRECATED_V8_INSNS, MASK_IMPURE_TEXT, MASK_APP_REGS,
1717         MASK_HARD_QUAD, MASK_LITTLE_ENDIAN, MASK_PTR64, MASK_64BIT,
1718         MASK_STACK_BIAS, MASK_FPU_SET, MASK_VIS, MASK_V8PLUS,
1719         MASK_FASTER_STRUCTS, MASK_LONG_DOUBLE_128): Delete.
1720         (TARGET_FPU, TARGET_UNALIGNED_DOUBLES, TARGET_V8, TARGET_SPARCLITE,
1721         TARGET_SPARCLET, TARGET_V9, TARGET_DEPRECATED_V8_INSNS,
1722         TARGET_IMPURE_TEXT, TARGET_APP_REGS, MASK_HARD_QUAD,
1723         TARGET_LITTLE_ENDIAN, TARGET_PTR64, TARGET_64BIT, MASK_STACK_BIAS,
1724         TARGET_FPU_SET, TARGET_VIS, TARGET_V8PLUS, TARGET_FASTER_STRUCTS,
1725         TARGET_LONG_DOUBLE_128): Likewise.
1726         (TARGET_SWITCHES, SUBTARGET_SWITCHES): Likewise.
1727         (TARGET_OPTIONS, SUBTARGET_OPTIONS): Likewise.
1728         * config/sparc/freebsd.h (SUBTARGET_SWITCHES): Likewise.
1729         * config/sparc/linux.h (SUBTARGET_SWITCHES): Likewise.
1730         * config/sparc/linux64.h (SUBTARGET_SWITCHES): Likewise.
1731         * config/sparc/netbsd-elf.h (SUBTARGET_SWITCHES): Likewise.
1732         * config/sparc/sp64-elf.h (SUBTARGET_SWITCHES): Likewise.
1733         * config/sparc/sparc.c (fpu_option_set): New global.
1734         (sparc_handle_option): New function.
1735         (sparc_override_options): Test fpu_option_set.
1736         (TARGET_DEFAULT_TARGET_FLAGS): Set to TARGET_DEFAULT.
1737         (TARGET_HANDLE_OPTION): Set to sparc_handle_option.
1738         * config/sparc/sparc.opt: New file.
1739         * config/sparc/little-endian.opt: Likewise.
1740         * config/sparc/long-double-switch.opt: Likewise.
1741
1742 2005-04-13  Bernd Schmidt  <bernd.schmidt@analog.com>
1743
1744         * config/bfin/bfin.c (bfin_lib_id_given): New static variable.
1745         (bfin_handle_options): Set it if -mshared-library-id= is seen.
1746         * config/bfin/bfin.opt (mshared-library-id=): Lose
1747         Var(bfin_lib_id_given).
1748
1749 2005-04-13  Matt Thomas  <matt@3am-software.com>
1750
1751         * config/rs6000/sysv4.h (NO_IMPLICIT_EXTERN_C): undefine before
1752         defining.
1753
1754 2005-04-13  Kazu Hirata  <kazu@cs.umass.edu>
1755
1756         * rtl.h (CLEAR_RTX_FLAGS): Remove.
1757
1758         * cgraphunit.c (INSNS_PER_CALL): Remove.
1759
1760         * tree-ssa-forwprop.c (vars,
1761         record_single_argument_cond_exprs,
1762         substitute_single_use_vars): Remove.
1763         (forward_propagate_into_cond_1, forward_propagate_into_cond):
1764         New.
1765         (tree_ssa_forward_propagate_single_use_vars): Call
1766         forward_propagate_into_cond for each COND_EXPR.
1767
1768         * tree-inline.c (INSNS_PER_STMT): Remove.
1769
1770 2005-04-12  Richard Henderson  <rth@redhat.com>
1771
1772         * config/i386/i386.c (ix86_prepare_sse_fp_compare_args): Split ...
1773         (ix86_expand_sse_fp_minmax): ... from ...
1774         (ix86_expand_fp_movcc): ... here.
1775         (ix86_expand_sse_movcc): Rewrite from ix86_split_sse_movcc.
1776         * config/i386/i386-protos.h: Update.
1777         * config/i386/i386.md (UNSPEC_IEEE_MIN, UNSPEC_IEEE_MAX): New.
1778         (sse_setccsf, sse_setccdf): Allow before reload.
1779         (movsfcc_1_sse_min, movsfcc_1_sse_max, movsfcc_1_sse): Remove.
1780         (movdfcc_1_sse_min, movdfcc_1_sse_max, movdfcc_1_sse): Remove.
1781         (ieee_sminsf3, ieee_smaxsf3, ieee_smindf3, ieee_smaxdf3): New.
1782         * config/i386/sse.md (andsf3, nandsf3, iorsf3, xorsf3): New.
1783         (anddf3, nanddf3, iordf3, xordf3): New.
1784
1785 2005-04-12  Jeff Law  <law@redhat.com>
1786
1787         * Makefile.in (OBJS-common): Add tree-ssa-uncprop.o.
1788         (tree-ssa-uncprop.o): Add dependencies.
1789         * tree-cfg.c (remove_useless_stmts_bb, remove_useless_stmts): Remove.
1790         * tree-flow.h (remove_useless_stmts): Remove prototype.
1791         * tree-outof-ssa.c (rewrite_out_of_ssa): Remove call to
1792         remove_useless_stmts.
1793         * timevar.def (TV_TREE_SSA_UNCPROP): New timevar.
1794         * tree-optimize.c (init_tree_optimization_passes): Add uncprop pass.
1795         * tree-pass.h (pass_uncprop): Declare.
1796         * tree-ssa-uncprop.c: New file.
1797
1798 2005-04-12  James E. Wilson  <wilson@specifixinc.com>
1799
1800         PR target/20670
1801         * unwind-ia64.c (uw_intall_context): Add missing load of r27.
1802
1803 2005-04-12  Caroline Tice  <ctice@apple.com>
1804
1805         Temporary fix for partitioning problems.
1806         * passes.c (rest_of_handle_final): Remove code that
1807         frees unlikely_text_section_name,
1808         * varasm.c (assemble_start_function): Test for partitioning
1809         flag before writing out section labels.
1810         (assemble_end_function): Test for partitioning flag before
1811         writing out section labels.
1812
1813 2005-04-12  Steven Bosscher  <stevenb@suse.de>
1814             Stuart Hastings <stuart@apple.com>
1815             Jan Hubicka  <jh@suse.cz>
1816
1817         * Makefile.in: Add function.h to BASIC_BLOCK_H.  Remove all
1818         references to gt-tree-cfg.h.
1819         * basic-block.h (struct basic_block_def): Don't skip rbi
1820         for garbage collection.
1821         (struct reorder_block_def): Make GTY-able.
1822         (struct control_flow_graph): New structure.
1823         (n_edges, n_basic_blocks, last_basic_block, basic_block_info,
1824         BASIC_BLOCK, EXIT_BLOCK_PTR, ENTRY_BLOCK_PTR): No longer vars,
1825         but instead defines to the control_flow_graph for cfun.
1826         (label_to_block_map): New define, points to the label map of
1827         the control_flow_graph for cfun.
1828         (n_edges_for_function, n_basic_blocks_for_function,
1829         last_basic_block_for_function, basic_block_info_for_function,
1830         EXIT_BLOCK_PTR_FOR_FUNCTION, ENTRY_BLOCK_PTR_FOR_FUNCTION,
1831         basic_block_info_for_function, label_to_block_map_for_function):
1832         Counterparts for the above, taking a struct function as an extra
1833         argument.
1834         (alloc_rbi_pool, free_rbi_pool): Remove prototypes.
1835         * cfg.c: (n_edges, n_basic_blocks, last_basic_block,
1836         basic_block_info, ENTRY_BLOCK_PTR, EXIT_BLOCK_PTR): Remove.
1837         (alloc_rbi_pool, free_rbi_pool): Remove.
1838         (initialize_bb_rbi): Use ggc_alloc_cleared instead of pool_alloc.
1839         * cfglayout.c: (cfg_layout_initialize): Don't allocate the rbi pool
1840         here...
1841         (cfg_layout_finalize) ... and don't free it here.
1842         * cfgrtl.c (cfg_layout_delete_block): Zero out rbi so it gets
1843         garbage collected.
1844         * flow.c (free_basic_block_vars): Set label_to_block_map and
1845         n_edges to zero too.
1846         * function.h (struct function): Add cfg field.
1847         * function.c (allocate_struct_function): Allocate the cfg.
1848         * tree-cfg.c (label_to_block_map): Remove.
1849         (build_tree_cfg): Don't allocate the rbi pool here...
1850         (delete_tree_cfg_annotations): ...and don't free it here.
1851         Also don't nullify label_to_block_map for cfun.
1852
1853 2005-04-12  Caroline Tice  <ctice@apple.com>
1854
1855         * bb-reorder.c (find_rarely_executed_basic_blocks_and_crossing_edges):
1856         Revert my patch from April 9.
1857         (fix_edges_for_rarely_executed_code): Revert my patch from April 9.
1858         (reorder_basic_blocks): Revert my patch from April 9.
1859         (insert_section_boundary_note): Revert my patch from April 9.
1860         * dbxout.c (dbxout_function_end): Revert my patch from April 9.
1861         * dwarf2out.c (COLD_TEXT_SECTION_LABEL): Revert my patch from April 9.
1862         (COLD_END_LABEL):  Revert my patch from April 9.
1863         (cold_text_section_label):  Revert my patch from April 9.
1864         (cold_end_label): Revert my patch from April 9.
1865         (dwarf2out_switch_text_section): Revert my patch from April 9.
1866         (output_aranges): Revert my patch from April 9.
1867         (output_ranges):  Revert my patch from April 9.
1868         (output_line_info): Revert my patch from April 9.
1869         (add_location_or_const_value_attribute):  Revert my patch from April 9.
1870         (dwarf2out_var_location): Revert my patch from April 9.
1871         (dwarf2out_init):  Revert my patch from April 9.
1872         (dwarf2out_finish): Revert my patch from April 9.
1873         * function.h (struct function): Revert my patch from April 9.
1874         * opts.c (decode_options): Revert my patch from April 9.
1875         * output.h (unlikely_section_label, hot_section_label,
1876         hot_section_end_label, cold_section_end_label,
1877         unlikely_text_section_name): Revert my patch from April 9.
1878         * passes.c (rest_of_handle_final): Revert my patch from April 9.
1879         * varasm.c (unlikely_section_label, hot_section_label,
1880         hot_section_end_label, cold_section_end_label,
1881         unlikely_text_section_name): Revert my patch from April 9.
1882         (initialize_cold_section_name): Revert my patch from April 9.
1883         (unlikely_text_section): Revert my patch from April 9.
1884         (in_unlikely_text_section): Revert my patch from April 9.
1885         (named_section): Revert my patch from April 9.
1886         (function_section): Revert my patch from April 9.
1887         (current_function_section): Revert my patch from April 9.
1888         (assemble_start_function): Revert my patch from April 9.
1889         (assemble_end_function): Revert my patch from April 9.
1890         (default_section_type_flags_1): Revert my patch from April 9.
1891
1892 2005-04-12  Eric Botcazou  <ebotcazou@libertysurf.fr>
1893
1894         * config/sparc/sparc.h (APPLY_RESULT_SIZE): Set to 24 in 64-bit mode.
1895         * config/sparc/sparc.md (untyped_call): Save the registers manually.
1896
1897         * config/sparc/sparc.c (legitimate_address_p): Use TARGET_ARCH32.
1898
1899 2005-04-12  Ulrich Weigand  <uweigand@de.ibm.com>
1900
1901         PR middle-end/20917
1902         * config/s390/s390.md ("*set_tp"): Use SET in pattern.
1903         ("set_tp_64", "set_tp_31"): Adapt expanded pattern.
1904
1905 2004-04-12  Richard Henderson  <rth@redhat.com>
1906
1907         * config/i386/i386.md (UNSPEC_FIX, UNSPEC_MOVA, UNSPEC_SHUFFLE,
1908         UNSPEC_PSHUFLW, UNSPEC_PSHUFHW, UNSPEC_ADDSUB, UNSPEC_HADD,
1909         UNSPEC_HSUB, UNSPEC_MOVSHDUP, UNSPEC_MOVSLDUP, UNSPEC_MOVDDUP): Remove.
1910         (UNSPEC_*, UNSPECV_*): Renumber.
1911
1912 2005-04-12  Frank Ch. Eigler  <fche@redhat.com>
1913
1914         PR mudflap/19266
1915         From Richard Henderson <rth@redhat.com>:
1916         * tree-mudflap.c (mf_build_check_statement_for): Correct block
1917         splitting logic.
1918
1919 2005-04-12  Dorit Naishlos  <dorit@il.ibm.com>
1920
1921         * tree-cfg.c (tree_verify_flow_info): Use LABEL_EXPR_LABEL.
1922
1923 2005-04-12  Bernd Schmidt  <bernd.schmidt@analog.com>
1924
1925         * config/bfin/bfin.c (bfin_library_id_string): Remove.
1926         (bfin_library_id): New variable.
1927         (bfin_expand_prologue): Use bfin_library_id and bfin_lib_id_given
1928         instead of bfin_library_id_string.
1929         (bfin_handle_option): New function.
1930         (override_options): Remove most code to deal with shared library IDs,
1931         just check they aren't used without -mid-shared-library.
1932         (TARGET_HANDLE_OPTION): Define.
1933         * config/bfin/bfin.h (TARGET_OPTIONS): Delete macro.
1934         * config/bfin/bfin.opt (mshared-library-id=): New.
1935
1936 2005-04-12  Kazu Hirata  <kazu@cs.umass.edu>
1937
1938         * tree-vect-transform.c: Fix comment typos.
1939
1940 2005-04-12 Mostafa Hagog <mustafa@il.ibm.com>
1941
1942         * postreload-gcse.c (eliminate_partially_redundant_load): Don't
1943         split critical edges when not possible/profitable.
1944
1945 2005-04-12  Richard Sandiford  <rsandifo@redhat.com>
1946
1947         * config/ns32k/ns32k.h (target_flags, MASK_32081, MASK_RTD)
1948         (MASK_REGPARM, MASK_32532, MASK_32332, MASK_NO_SB, MASK_NO_BITFIELD)
1949         (MASK_HIMEM, MASK_32381, MASK_MULT_ADD, MASK_SRC, MASK_IEEE_COMPARE)
1950         (TARGET_32081, TARGET_32381, TARGET_MULT_ADD, TARGET_RTD)
1951         (TARGET_REGPARM, TARGET_32532, TARGET_32332, TARGET_SB, TARGET_HIMEM)
1952         (TARGET_BITFIELD, TARGET_IEEE_COMPARE, TARGET_SWITCHES): Delete.
1953         (OVERRIDE_OPTIONS): Clear MASK_SB instead of setting MASK_NO_SB.
1954         * config/ns32k/netbsd.h (TARGET_DEFAULT): Remove MASK_NO_SB and
1955         MASK_NO_BITFIELD.
1956         * config/ns32k/ns32k.c (ns32k_handle_option): New function.
1957         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
1958         * config/ns32k/ns32k.opt: New file.
1959
1960 2005-04-12  Richard Sandiford  <rsandifo@redhat.com>
1961
1962         * config.gcc (m68k-*-linux*): Add m68k/ieee.opt to $extra_options.
1963         * config/m68k/m68k.h (target_flags, MASK_68020, TARGET_68020)
1964         (MASK_68030, TARGET_68030, MASK_68040, TARGET_68040, MASK_68040_ONLY)
1965         (TARGET_68040_ONLY, MASK_68060, TARGET_68060, MASK_5200, TARGET_5200)
1966         (MASK_CFV3, TARGET_CFV3, MASK_CFV4, TARGET_CFV4, MASK_528x)
1967         (TARGET_528x, MASK_CF_HWDIV, TARGET_CF_HWDIV, MASK_68881, TARGET_68881)
1968         (MASK_BITFIELD, TARGET_BITFIELD, MASK_SHORT, TARGET_SHORT)
1969         (MASK_ALIGN_INT, TARGET_ALIGN_INT, MASK_PCREL, TARGET_PCREL)
1970         (MASK_NO_STRICT_ALIGNMENT, TARGET_STRICT_ALIGNMENT, MASK_RTD)
1971         (TARGET_RTD, MASK_SEP_DATA, TARGET_SEP_DATA, MASK_ID_SHARED_LIBRARY)
1972         (TARGET_ID_SHARED_LIBRARY, MASK_ALL_CF_BITS, TARGET_SWITCHES)
1973         (TARGET_OPTIONS, SUBTARGET_SWITCHES, SUBTARGET_OPTIONS): Delete.
1974         (MASK_COLDFIRE): Formatting fixes.
1975         (TARGET_COLDFIRE): Turn into a boolean value for consistency.
1976         * config/m68k/linux.h (SUBTARGET_SWITCHES): Delete.
1977         * config/m68k/m68k.c (m68k_library_id_string): Initialize to
1978         "_current_shared_library_a5_offset_".
1979         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
1980         (MASK_ALL_CPU_BITS): New macro.
1981         (m68k_handle_option): New function.
1982         (override_options): Remove handling of m68k_library_id_string.
1983         * config/m68k/m68k.opt: New file.
1984         * config/m68k/ieee.opt: New file.
1985
1986 2005-04-11  Mark Mitchell  <mark@codesourcery.com>
1987
1988         * target-def.h (TARGET_CXX_EXPORT_CLASS_DATA): Remove.
1989         (TARGET_CXX_DETERMINE_CLASS_VISIBILITY): New macro.
1990         (TARGET_CXX_CLASS_DATA_ALWAYS_COMDAT): Likewise.
1991         (TARGET_CXX): Adjust accordingly.
1992         * target.h (struct gcc_target): Remove epxort_class_data.  Add
1993         determine_class_data_visibility and class_data_always_comdat.
1994         * doc/tm.texi (TARGET_CXX_EXPORT_CLASS_DATA): Remove.
1995         (TARGET_CXX_DETERMINE_CLASS_DATA_VISIBILITY): Document.
1996         (TARGET_CXX_CLASS_DATA_ALWAYS_COMDAT): Likewise.
1997         * config/arm/arm.c (arm_cxx_export_class_data): Remove.
1998         (arm_cxx_determine_class_data_visibility): New.
1999         (arm_cxx_class_data_always_comdat): Likewise.
2000         (TARGET_CXX_EXPORT_CLASS_DATA): Remove.
2001         (TARGET_CXX_DETERMINE_CLASS_DATA_VISIBILITY): Define.
2002         (TARGET_CXX_CLASS_DATA_ALWAYS_COMDAT): Likewise.
2003         * config/arm/arm.h (TARGET_ARM_DYNAMIC_VAGUE_LINKAGE_P): Define.
2004         * config/arm/symbian.h (TARGET_ARM_DYNAMIC_VAGUE_LINKAGE_P):
2005         Define.
2006
2007 2005-04-11  Devang Patel  <dpatel@apple.com>
2008
2009         * tree-data-ref.c (build_classic_dist_vector,
2010         compute_subscript_distance): Make externally visible.
2011         * tree-data-ref.h (build_classic_dist_vector,
2012         compute_subscript_distance): Same.
2013         * tree-vect-analyze.c (vect_analyze_data_ref_dependence):
2014         Check distance vector against vectorization factor.
2015         (vect_analyze_loop): Determine vectorizaion factor before
2016         analyzing data dependences.
2017         * tree-vectorizer.c (loops_num): Make it externally visible and
2018         rename ...
2019         * tree-vectorizer.c (vect_loops_num): ... new name.
2020         * tree-vectorizer.h  (vect_loops_num): New.
2021
2022 2005-04-11  Devang Patel  <dpatel@apple.com>
2023
2024         * tree-vect-analyze.c (vect_analyze_operations): Check
2025         vectorizable codition.
2026         * tree-vect-transform.c (vect_is_simple_cond): New function.
2027         (vectorizable_condition): New function.
2028         (vect_transform_stmt): Handle condition_vec_info_type.
2029         * tree-vectorizer.h (enum stmt_vec_info_type): Add
2030         condition_vec_info_type.
2031         (vectorizable_condition): New.
2032
2033 2005-04-11  Geoffrey Keating  <geoffk@apple.com>
2034
2035         * config/i386/i386.h (TARGET_FPMATH_DEFAULT): New.
2036         * config/i386/darwin.h (TARGET_FPMATH_DEFAULT): New.
2037         * config/i386/i386.c (override_options): Use TARGET_FPMATH_DEFAULT.
2038
2039         * config/i386/darwin.h (ASM_SPEC): Use -arch i386 not -arch i686.
2040         (SUBTARGET_EXTRA_SPECS): Always 'i386'.
2041
2042         * dwarf2out.c (output_line_info): Don't try to dereference
2043         a NULL current_function_decl.
2044
2045         * config/t-slibgcc-darwin: Don't put shared libraries in
2046         directories other than $(slibdir).
2047         * config/rs6000/darwin.h: Find -m64 libgcc under the name the
2048         OS uses for it.
2049
2050 2005-04-11  Diego Novillo  <dnovillo@redhat.com>
2051
2052         PR tree-optimization/20933
2053         * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Move
2054         logic to reject aliases between read-only and writable
2055         variables ...
2056         (may_alias_p): ... here.
2057         (get_tmt_for): Do not associate read-only tags to pointers
2058         whose pointed-to type is not read-only.
2059         * tree-ssa.c (verify_ssa): Check that memory stores have at
2060         least one V_MAY_DEF or V_MUST_DEF.
2061
2062 2005-04-11  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2063
2064         PR/17092
2065         * configure.ac (gcc_UNLOCKED_FUNCS): New.
2066         (AC_CHECK_FUNCS, AC_CHECK_DECLS): Check for gcc_UNLOCKED_FUNCS.
2067         * system.h (putchar, getc, getchar, clearerr, feof, fileno,
2068         fflush, fgetc, fgets, ferror, fread): Redefine to the associated
2069         _unlocked function.
2070         (fwrite_unlocked): Fix prototype.
2071
2072         * configure, config.in: Regenerate.
2073
2074 2005-04-11  David Edelsohn  <edelsohn@gnu.org>
2075
2076         * tree-ssa-loop-im.c: Include real.h.
2077         (determine_invariantness_stmt): If real division divisor is
2078         invariant and flag_unsafe_math_optimizations enabled, generate
2079         invariant reciprocal for hoisting.
2080         * Makefile.in (tree-ssa-loop-im.o): Add real.h dependency.
2081
2082 2005-04-11  Daniel Berlin  <dberlin@dberlin.org>
2083
2084         Fix PR tree-optimization/20926
2085
2086         * tree-ssa-alias.c (add_type_alias): Handle subvars.
2087
2088 2005-04-11  Devang Patel  <dpatel@apple.com>
2089
2090         * config/rs6000.c (rs6000_emit_vector_select): Fix vector select
2091         operand ordering.
2092
2093 2005-04-11  Andrew Pinski  <pinskia@physics.uc.edu>
2094
2095         * fold-const.c (fold_binary_op_with_conditional_arg):
2096         use fold_buildN instead of "fold (buildN" in some
2097         non obvious places.
2098         (fold_unary): Likewise.
2099         (fold_binary): Likewise.
2100
2101 2005-04-11  Daniel Berlin  <dberlin@dberlin.org>
2102
2103         Fix PR tree-optimization/20612
2104         * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Fix increment
2105         handling
2106         (perfect_nestify): preheaderbb is *not* part of loop of the
2107         old destination.
2108
2109 2005-04-11  Andrew Pinski  <pinskia@physics.uc.edu>
2110
2111         * tree-ssa-alias.c (may_alias_p): If the variable
2112         is a global variable and the pointer is parameter
2113         and -fargument-noalias-global is used, then
2114         the pointer cannot alias the variable.
2115
2116 2005-04-11  James A. Morrison  <phython@gcc.gnu.org>
2117
2118         * config/sparc/sparc.c: Use gcc_assert and gcc_unreachable.
2119         * config/sparc/sparc.h: Likewise.
2120         * config/sparc/sparc.md: Likewise.
2121
2122 2005-04-11  Kazu Hirata  <kazu@cs.umass.edu>
2123
2124         * tree-vrp.c (maybe_add_assert_expr): Move a comment.
2125
2126         * tree-vrp.c: Fix a comment typo.
2127
2128 2005-04-11  Diego Novillo  <dnovillo@redhat.com>
2129
2130         PR tree-optimization/20920
2131         * tree-pretty-print.c (dump_generic_node): Show '(ab)' if an
2132         SSA_NAME flows through an abnormal edge.
2133         * tree-vrp.c (infer_value_range): Ignore SSA names that flow
2134         through abnormal edges.
2135         (maybe_add_assert_expr): Likewise.
2136
2137 2005-04-11  Richard Sandiford  <rsandifo@redhat.com>
2138
2139         * config/s390/s390.h (s390_tune_string, s390_arch_string)
2140         (s390_warn_framesize_string, s390_warn_dynamicstack_string)
2141         (s390_stack_size_string, s390_stack_guard_string, target_flags)
2142         (MASK_HARD_FLOAT, MASK_SMALL_EXEC, MASK_DEBUG_ARG, MASK_64BIT)
2143         (MASK_ZARCH, MASK_MVCLE, MASK_TPF_PROFILING, MASK_NO_FUSED_MADD)
2144         (MASK_BACKCHAIN, MASK_PACKED_STACK, TARGET_HARD_FLOAT)
2145         (TARGET_SOFT_FLOAT, TARGET_SMALL_EXEC, TARGET_DEBUG_ARG)
2146         (TARGET_64BIT, TARGET_ZARCH, TARGET_MVCLE, TARGET_TPF_PROFILING)
2147         (TARGET_NO_FUSED_MADD, TARGET_FUSED_MADD, TARGET_BACKCHAIN)
2148         (TARGET_PACKED_STACK, TARGET_SWITCHES, TARGET_OPTIONS): Delete.
2149         * config/s390/s390.c (TARGET_DEFAULT_TARGET_FLAGS): Override default.
2150         (TARGET_HANDLE_OPTION): Likewise.
2151         (s390_tune): Initialize to PROCESSOR_max.
2152         (s390_arch_string): Make static.
2153         (s390_tune_string, s390_warn_framesize_string): Delete.
2154         (s390_warn_dynamicstack_string, s390_stack_size_string): Delete.
2155         (s390_stack_guard_string, s390_warn_dynamicstack_p): Delete.
2156         (s390_handle_arch_option, s390_handle_option): New functions.
2157         (override_options): Remove parsing of option strings.
2158         * config/s390/s390.opt: New file.
2159
2160 2005-04-11  Paolo Bonzini  <bonzini@gnu.org>
2161
2162         * tree-complex.c (expand_vector_operations): Call
2163         update_stmt_if_modified.
2164
2165 2005-04-11  Paolo Bonzini  <bonzini@gnu.org>
2166
2167         * tree-vect-analyze (vect_determine_vectorization_factor):
2168         Do not use GET_MODE_NUNITS.
2169         * tree-vect-transform.c (vect_get_vec_def_for_operand,
2170         (vectorizable_load, vect_transform_loop): Likewise.
2171
2172 2005-04-11  Uros Bizjak  <uros@kss-loka.si>
2173
2174         * builtins.def (BUILT_IN_LCEIL, BUILT_IN_LCEILF, BUILT_IN_LCEILL)
2175         (BUILT_IN_LLCEIL, BUILT_IN_LLCEILF, BUILT_IN_LLCEILL): New.
2176         * optabs.h (enum optab_index): Add new OTI_lceil.
2177         (lceil_optab): Define corresponding macro.
2178         * optabs.c (init_optabs): Initialize lceil_optab.
2179         * genopinit.c (optabs): Implement lceil_optab using lceilsi2
2180         and lceildi2 patterns.
2181         * builtins.c (expand_builtin_int_roundingfn): Handle
2182         BUILT_IN_LCEIL{,F,L} and BUILT_IN_LLCEIL{,F,L}.
2183         (fold_builtin_int_roundingfn): Handle BUILT_IN_LCEIL{,F,L} and
2184         BUILT_IN_LLCEIL{,F,L}.
2185         (fold_builtin_1): Fold BUILT_IN_LCEIL{,F,L} and
2186         BUILT_IN_LLCEIL{,F,L} using fold_builtin_int_roundingfn.
2187         (mathfn_built_in): Handle BUILT_IN LCEIL and BUILT_IN_LLCEIL.
2188         (expand_builtin): Expand BUILT_IN_LCEIL{,F,L} and
2189         BUILT_IN_LLCEIL{,F,L} using expand_builtin_int_roundingfn.
2190         * convert.c (convert_to_integer): Convert (long int)ceil{,f,l},
2191         into lceil built-in function and (long long int)ceil{,f,l} into
2192         llceil built-in function.
2193         * fold-const.c (tree_expr_nonnegative_p): Add BUILT_IN_LCEIL and
2194         BUILT_IN_LLCEIL.
2195
2196 2005-04-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2197
2198         * pa/quadlib.c (_U_Qfneg): Toggle sign bit instead of subtracting from
2199         zero.
2200
2201 2005-04-10  Kazu Hirata  <kazu@cs.umass.edu>
2202
2203         * config/arm/arm.c: Fix a comment typo.
2204         * doc/tree-ssa.texi: Fix a typo.
2205
2206 2005-04-10  Steven Bosscher  <stevenb@suse.de>
2207
2208         * cselib.c (clear_table): Rename to cselib_clear_table.
2209         * cselib.h (cselib_clear_table): Add prototype.
2210         * gcse.c (gcse_main): Make 'f' argument unused.
2211         (alloc_gcse_mem): Do not walk the insn chain, walk the contents
2212         of each basic block instead.
2213         (compute_sets, compute_hash_table_work): Likewise.
2214         (constprop_register): Change int 'alter_jumps' argument to bool.
2215         (do_local_cprop): Likewise.
2216         (local_cprop_pass): Likewise.  Also walk basic blocks instead of
2217         the insn chain.  Explicitly clear the cselib tables after finishing
2218         one basic block.  Make sure there are no unterminated libcall blocks.
2219         Update compute_sets call.
2220         (cprop): Walk basic blocks instead of the insn chain.
2221         (one_cprop_pass, compute_ld_motion_mems, compute_store_table):
2222         Likewise.
2223         (bypass_jumps): Update alloc_gcse_mem, compute_sets, and
2224         one_cprop_pass calls.
2225
2226 2005-04-10  Richard Sandiford  <rsandifo@redhat.com>
2227
2228         * combine.c (combine_simplify_rtx): Remove a transformation that
2229         relies on an invalid assumption about rtl sign-extension semantics.
2230
2231 2005-04-10  Richard Sandiford  <rsandifo@redhat.com>
2232
2233         * value-prof.c (tree_divmod_fixed_value_transform): Fix arguments
2234         to build_int_cst_wide.
2235
2236 2005-04-09  Alexandre Oliva  <aoliva@redhat.com>
2237
2238         PR target/20126
2239         * loop.c (loop_givs_rescan): If replacement of DEST_ADDR failed,
2240         set the original address pseudo to the correct value before the
2241         original insn, if possible, and leave the insn alone, otherwise
2242         create a new pseudo, set it and replace it in the insn.
2243         * recog.c (validate_change_maybe_volatile): New.
2244         * recog.h (validate_change_maybe_volatile): Declare.
2245
2246 2005-04-09  Caroline Tice  <ctice@apple.com>
2247
2248         * bb-reorder.c (find_rarely_executed_basic_blocks_and_crossing_edges):
2249         Remove targetm.have_named_sections test.
2250         (fix_edges_for_rarely_executed_code): Likewise.
2251         (insert_section_boundary_note): Likewise.
2252         (reorder_basic_blocks): Check partitioning flag before calling
2253         verify_hot_cold_block_grouping.
2254         * dbxout.c (dbxout_function_end): Get hot/cold section labels from
2255         the function struct rather than global variables.
2256         * dwarf2out.c (COLD_TEXT_SECTION_LABEL): New macro.
2257         (COLD_END_LABEL): Likewise
2258         (cold_text_section_label): New static global variable.
2259         (cold_end_label): Likewise.
2260         (dwarf2out_switch_text_section): Get hot/cold section labels from
2261         the function struct rather than global variables.
2262         (output_aranges): Use cold_text_section_label and cold_end_label;
2263         check partitioning flag before putting out delta.
2264         (output_ranges): Remove incorrect code attempting to use
2265         hot/cold labels.
2266         (output_line_info): Get cold section label from function struct.
2267         (add_location_or_const_value_attribute): Likewise.
2268         (get_subprogram_die): Get hot/cold section labels from function struct.
2269         (dwarf2out_var_location): Likewise.
2270         (dwarf2out_init): Generate cold_text_section_label and cold_end_label;
2271         write out cold_text_section_label if partition flag is set.
2272         (dwarf2out_finish): Write out cold_end_label if partition flag is set;
2273         * function.h (struct function): Add new fields to point to hot/cold
2274         section labels: hot_section_label, cold_section_label,
2275         hot_section_end_label and cold_section_end_label; also add new field
2276         for cold text section name, unlikely_text_section_name.
2277         * opts.c (decode_options): Turn off partitioning flag if
2278         !targetm.have_named_sections.
2279         * output.h (hot_section_label): Remove.
2280         (hot_section_end_label): Remove.
2281         (cold_section_end_label): Remove.
2282         (unlikely_section_label): Remove.
2283         (unlikely_text_section_name): Remove.
2284         * passes.c (rest_of_handle_final):  Remove code that frees
2285         unlikely_text_section_name.
2286         * varasm.c (unlikely_section_label): Remove.
2287         (hot_section_label): Remove.
2288         (hot_section_end_label): Remove.
2289         (cold_section_end_label): Remove.
2290         (unlikely_text_section_name):  Remove.
2291         (initialize_cold_section_name): Modify to call
2292         targetm.strip_name_encoding; to store cold section name in current
2293         function struct, if it exists; and to only use the decl_section_name
2294         if flag_named_sections is true.
2295         (unlikely_text_section): Modify to get section name out of current
2296         function struct, if there is one; otherwise build it from
2297         UNLIKELY_EXECUTED_TEXT_SECTION_NAME.
2298         (in_unlikely_text_section): Likewise.
2299         (named_section): Modify to get/put cold section name in current function
2300         struct, if there is one.
2301         (function_section):  Change 'bool unlikely' to 'int reloc'; check
2302         targetm.have_named_sections before calling named_section.
2303         (current_function_section): Likewise.
2304         (assemble_start_function): Modify to get/put unlikely_text_section_name
2305         in current function struct; modify to get hot/cold section labels
2306         from function struct; initialize labels using
2307         ASM_GENERATE_INTERNAL_LABEL;
2308         test partitioning flag before writing out hot section label.
2309         (assemble_end_function): Test partitioning flag before writing out
2310         hot/cold section labels.
2311         (default_section_type_flags_1):  Modify to use array instead of
2312          char* for unlikely_text_section_name; set flags correctly for
2313          cold text section if there is not a current function decl.
2314
2315 2005-04-09  Jakub Jelinek  <jakub@redhat.com>
2316
2317         * tree.h (enum tree_index): Add TI_VA_LIST_GPR_COUNTER_FIELD
2318         and TI_VA_LIST_FPR_COUNTER_FIELD.
2319         (va_list_gpr_counter_field, va_list_fpr_counter_field): Define.
2320         * tree-pass.h (pass_stdarg): Add.
2321         * tree-optimize.c (init_tree_optimization_passes): Add pass_stdarg.
2322         * tree-stdarg.c: New file.
2323         * tree-stdarg.h: New file.
2324         * Makefile.in (OBJS-common): Add tree-stdarg.o.
2325         (tree-stdarg.o): Add dependencies.
2326         * function.h (struct function): Add va_list_gpr_size and
2327         va_list_fpr_size fields.
2328         * function.c (allocate_struct_function): Initialize them.
2329         * target.h (struct gcc_target): Add stdarg_optimize_hook.
2330         * target-def.h (TARGET_STDARG_OPTIMIZE_HOOK): Define.
2331         (TARGET_INITIALIZER): Add it.
2332
2333         * config/i386/i386.c (ix86_build_builtin_va_list): Initialize
2334         va_list_{g,f}pr_counter_field.
2335         (ix86_setup_incoming_varargs): Don't do anything if reg_save
2336         area will not be used.  Only save registers that tree-stdarg.c
2337         detected they need saving.
2338         (ix86_va_start): Don't set up fields that won't be used.
2339
2340         * config/rs6000/rs6000.c (rs6000_build_builtin_va_list): Initialize
2341         va_list_{g,f}pr_counter_field.
2342         (setup_incoming_varargs): Don't do anything if reg_save
2343         area will not be used.  Only save registers that tree-stdarg.c
2344         detected they need saving.
2345         (rs6000_va_start): Don't set up fields that won't be used.
2346
2347         * config/alpha/alpha.c: Include tree-flow.h and tree-stdarg.h.
2348         (alpha_build_builtin_va_list): Initialize va_list_gpr_counter_field.
2349         (va_list_skip_additions, alpha_stdarg_optimize_hook): New functions.
2350         (TARGET_STDARG_OPTIMIZE_HOOK): Define.
2351
2352 2005-04-09  Jakub Jelinek  <jakub@redhat.com>
2353
2354         PR target/20795
2355         * config/i386/i386.c (construct_container): Pass empty aligned
2356         struct, union or class in memory.
2357
2358 2005-04-09  Kazu Hirata  <kazu@cs.umass.edu>
2359
2360         * dominance.c, gthr-win32.h, reg-stack.c, tree-ssa-copy.c,
2361         tree-ssa-operands.c, tree-ssa.c, tree-vrp.c, varasm.c,
2362         config/alpha/alpha.c, config/arm/arm.c, config/m32r/m32r.h,
2363         config/rs6000/predicates.md: Fix comment typos.
2364
2365         * sched-int.h (haifa_insn_data): Remove blockage and units.
2366         (INSN_UNIT, INSN_BLOCKAGE, UNIT_BITS, BLOCKAGE_MASK,
2367         ENCODE_BLOCKAGE, UNIT_BLOCKED, BLOCKAGE_RANGE,
2368         MIN_BLOCKAGE_COST, MAX_BLOCKAGE_COST): Remove.
2369
2370 2005-04-09  Jan Hubicka  <jh@suse.cz>
2371             Steven Bosscher  <stevenb@suse.de>
2372
2373         * cfglayout.c (copy_bbs): Rename n_edges to num_edges.
2374         * cfgloop.c (get_loop_exit_edges): Likewise.
2375         * cfgloopmanip.c (fix_irreducible_loops): Likewise.
2376         (unloop): Likewise.
2377         * loop-unroll.c (analyze_insns_in_loop): Likewise.
2378         * tree-cfg.c (dump_cfg_status): Likewise.
2379
2380 2005-04-09  David Edelsohn  <edelsohn@gnu.org>
2381
2382         * config/rs6000/predicates.md (altivec_register_operand): Remove
2383         redundant match_code test.
2384         (gpc_reg_operand): Same.
2385         (cc_reg_operand): Same.
2386         (cc_reg_not_cr0_operand): Same.
2387
2388 2005-04-09  Jan Hubicka  <jh@suse.cz>
2389
2390         Forgotten hunk from my last merge patch:
2391         * final.c (output_addr_const): Do not call mark_referenced.
2392
2393 2005-04-09  Andrew MacLeod  <amacleod@redhat.com>
2394
2395         * doc/tree-ssa.texi: Add immediate use documentation.
2396
2397 2005-04-09  Richard Earnshaw <richard.earnshaw@arm.com>
2398
2399         * arm.c (FL_WBUF): Define.
2400         (arm_tune_strongarm): Renamed from arm_is_strong.  All uses changed.
2401         (arm_is_6_or_7): Delete.
2402         (arm_tune_wbuf): New.
2403         (arm_override_options): Set arm_tune_wbuf.
2404         * arm.h (arm_tune_strongarm): Renamed from arm_is_strong.
2405         (arm_is_6_or_7): Delete declaration.
2406         (arm_tune_wbuf): New declartion.
2407         * arm.md (is_strongarm): Derive from arm_tune_strongarm.
2408         (model_wbuf): Derive from arm_tune_wbuf.
2409         * arm-cores.def (arm600, arm610, arm620, arm700, arm700i, arm710)
2410         (arm720, arm710c, arm7100, arm7500, arm7500fe, arm710t, arm720t)
2411         (arm740t): Mark CPUs as having a write buffer.
2412
2413 2005-04-09  Uros Bizjak  <uros@kss-loka.si>
2414
2415         * config/i386/i386.md (*fp_jcc_7_387): Use 'const0_operand' instead
2416         of 'const_double_operand' in operand 2 constraints.  Update enable
2417         condition.
2418
2419 2005-04-09  Uros Bizjak  <uros@kss-loka.si>
2420
2421         * builtins.def (BUILT_IN_LFLOOR, BUILT_IN_LFLOORF, BUILT_IN_LFLOORL)
2422         (BUILT_IN_LLFLOOR, BUILT_IN_LLFLOORF, BUILT_IN_LLFLOORL): New.
2423         * optabs.h (enum optab_index): Add new OTI_lfloor.
2424         (lfloor_optab): Define corresponding macro.
2425         * optabs.c (init_optabs): Initialize lfloor_optab.
2426         * genopinit.c (optabs): Implement lfloor_optab using lfloorsi2
2427         and lfloordi2 patterns.
2428         * builtins.c (expand_builtin_int_roundingfn): New prototype.
2429         (expand_builtin_int_roundingfn): New function.
2430         (fold_builtin_int_roundingfn): New prototype.
2431         (fold_builtin_int_roundingfn): New function, renamed from
2432         fold_builtin_lround.
2433         Handle BUILT_IN_LROUND{,F,L}, BUILT_IN_LLROUND{,F,L} and
2434         BUILT_IN_LFLOOR{,F,L}, BUILT_IN_LLFLOOR{,F,L}.
2435         (fold_builtin_1): Fold BUILT_IN_LFLOOR{,F,L} and
2436         BUILT_IN_LLFLOOR{,F,L} using fold_builtin_int_roundingfn.
2437         (mathfn_built_in): Handle BUILT_IN LFLOOR and BUILT_IN_LLFLOOR.
2438         (expand_builtin): Expand BUILT_IN_LFLOOR{,F,L} and
2439         BUILT_IN_LLFLOOR{,F,L} using expand_builtin_int_roundingfn.
2440         * convert.c (convert_to_integer): Convert (long int)floor{,f,l},
2441         into lfloor built-in function and (long long int)floor{,f,l} into
2442         llfloor built-in function.
2443         * fold-const.c (tree_expr_nonnegative_p): Add BUILT_IN_LFLOOR and
2444         BUILT_IN_LLFLOOR.
2445
2446 2005-04-08  Ian Lance Taylor  <ian@airs.com>
2447
2448         * c-common.def: Move FOR_STMT, WHILE_STMT, DO_STMT, BREAK_STMT,
2449         CONTINUE_STMT, and SWITCH_STMT to cp/cp-tree.def.
2450         * c-common.h (WHILE_COND, WHILE_BODY): Move to cp/cp-tree.h.
2451         (DO_COND, DO_BODY): Likewise.
2452         (FOR_INIT_STMT, FOR_COND, FOR_EXPR, FOR_BODY): Likewise.
2453         (SWITCH_STMT_COND, SWITCH_STMT_BODY, SWITCH_STMT_TYPE): Likewise.
2454         (c_common_stmt_codes): Remove FOR_STMT, WHILE_STMT, DO_STMT,
2455         BREAK_STMT, CONTINUE_STMT, and SWITCH_STMT.
2456         (build_continue_stmt, build_break_stmt): Don't declare.
2457         (c_do_switch_warnings): Update declaration.
2458         * c-gimplify.c (enum bc_t): Remove.
2459         (struct c_gimplify_ctx, ctxp): Remove.
2460         (push_context, pop_context): Remove static functions.
2461         (c_genericize): Don't call push_context or pop_context.
2462         (begin_bc_block, finish_bc_block): Remove static functions.
2463         (build_bc_goto): Likewise.
2464         (gimplify_c_loop): Likewise.
2465         (gimplify_for_stmt, gimplify_while_stmt): Likewise.
2466         (gimplify_do_stmt, gimplify_switch_stmt): Likewise.
2467         (c_gimplify_expr): Remove handling of FOR_STMT, WHILE_STMT,
2468         DO_STMT, SWITCH_STMT, CONTINUE_STMT, BREAK_STMT.
2469         * c-common.c (c_do_switch_warnings): Rename from
2470         c_do_switch_warnings_1.
2471         (c_do_switch_warnings) [old version]: Remove.
2472         (c_do_switch_expr_warnings): Remove.
2473         * c-typeck.c (c_finish_case): Call new c_do_switch_warnings
2474         function instead of c_do_switch_expr_warnings.
2475         * c-dump.c (c_dump_tree): Remove handling of BREAK_STMT,
2476         CONTINUE_STMT, DO_STMT, FOR_STMT, SWITCH_STMT, and WHILE_STMT.
2477         * c-pretty-print.c (pp_c_statement): Likewise.
2478         * c-semantics.c (build_break_stmt, build_continue_stmt): Remove.
2479
2480 2005-04-08  Devang Patel  <dpatel@apple.com>
2481
2482         * tree-if-conv.c (find_phi_replacement_condition): New parameter, loop.
2483         While selecting replacement condition pay attention to loop header.
2484
2485 2005-04-08  Diego Novillo  <dnovillo@redhat.com>
2486
2487         Merge from tree-cleanup-branch: VRP, store CCP, store
2488             copy-prop, incremental SSA updating of FUD chains and
2489             newly exposed symbols.
2490
2491         * Makefile.in (tree-ssa-copy.o): Depend on tree-ssa-propagate.h.
2492         (OBJS-common): Add tree-vrp.o.
2493         (tree-vrp.o): New rule.
2494         * basic-block.h (nearest_common_dominator_for_set): Declare.
2495         * common.opt (ftree-store-ccp): New flag.
2496         (ftree-copy-prop): New flag.
2497         (ftree-vrp): New flag.
2498         (ftree-store-copy-prop): New flag.
2499         * dominance.c (nearest_common_dominator_for_set): New.
2500         * domwalk.c (walk_dominator_tree): Only traverse
2501         statements in blocks marked in walk_data->interesting_blocks.
2502         * domwalk.h (struct dom_walk_data): Add field interesting_blocks.
2503         * fold-const.c (fold): Handle ASSERT_EXPR.
2504         * opts.c (decode_options): Set flag_tree_copy_prop at -O1.
2505         Set flag_tree_store_ccp, flag_tree_store_copy_prop and
2506         flag_tree_vrp at -O2.
2507         * timevar.def (TV_TREE_VRP): Define.
2508         (TV_TREE_COPY_PROP): Define.
2509         (TV_TREE_STORE_COPY_PROP): Define.
2510         (TV_TREE_SSA_INCREMENTAL): Define.
2511         (TV_TREE_STORE_CCP): Define.
2512         * tree-cfg.c (tree_can_merge_blocks_p): Remove reference
2513         to kill_redundant_phi_nodes from comment.
2514         (verify_expr): Handle ASSERT_EXPR.
2515         * tree-dfa.c (mark_new_vars_to_rename): Remove second
2516         argument.  Update all users.
2517         (mark_call_clobbered_vars_to_rename): Remove.  Update all
2518         users.
2519         * tree-flow-inline.h (unmodifiable_var_p): New.
2520         * tree-flow.h (enum value_range_type): Declare.
2521         (struct value_range_def): Declare.
2522         (value_range): Declare.
2523         (remove_all_phi_nodes_for): Remove.  Update all users.
2524         (find_phi_node_for): Declare.
2525         (add_type_alias): Declare.
2526         (count_uses_and_derefs): Declare.
2527         (kill_redundant_phi_nodes): Remove.
2528         (rewrite_into_ssa): Remove.
2529         (rewrite_def_def_chains): Remove.
2530         (update_ssa, register_new_name_mapping, create_new_def_for,
2531         need_ssa_update_p, name_registered_for_update_p,
2532         release_ssa_name_after_update_ssa, dump_repl_tbl,
2533         debug_repl_tbl, dump_names_replaced_by,
2534         debug_names_replaced_by, mark_sym_for_renaming,
2535         mark_set_for_renaming, get_current_def, set_current_def,
2536         get_value_range, dump_value_range, debug_value_range,
2537         dump_all_value_ranges, debug_all_value_ranges,
2538         expr_computes_nonzero, loop_depth_of_name,
2539         unmodifiable_var_p): Declare.
2540         * tree-gimple.c (is_gimple_formal_tmp_rhs): Handle
2541         ASSERT_EXPR.
2542         * tree-into-ssa.c (block_defs_stack): Update comment.
2543         (old_ssa_names, new_ssa_names, old_virtual_ssa_names,
2544         syms_to_rename, names_to_release, repl_tbl,
2545         need_to_initialize_update_ssa_p, need_to_update_vops_p,
2546         need_to_replace_names_p): New locals.
2547         (NAME_SETS_GROWTH_FACTOR): Define.
2548         (struct repl_map_d): Declare.
2549         (struct mark_def_sites_global_data): Add field
2550         interesting_blocks.
2551         (enum rewrite_mode): Declare.
2552         (REGISTER_DEFS_IN_THIS_STMT): Define.
2553         (compute_global_livein): Use last_basic_block instead of
2554         n_basic_blocks.
2555         (set_def_block): Remove last argument.  Update all callers.
2556         (prepare_use_operand_for_rename): Remove.  Update all callers.
2557         (prepare_def_operand_for_rename): Remove.  Update all callers.
2558         (symbol_marked_for_renaming): New.
2559         (is_old_name): New.
2560         (is_new_name): New.
2561         (repl_map_hash): New.
2562         (repl_map_eq): New.
2563         (repl_map_free): New.
2564         (names_replaced_by): New.
2565         (add_to_repl_tbl): New.
2566         (add_new_name_mapping): New.
2567         (mark_def_sites): Assume that all the operands in the
2568         statement are in normal form.
2569         (find_idf): Assert that the block in the stack is valid.
2570         (get_default_def_for): New.
2571         (insert_phi_nodes_for): Add new argument 'update_p'.
2572         Add documentation.
2573         If update_p is true, add a new mapping between the LHS of
2574         each new PHI and the name that it replaces.
2575         (insert_phi_nodes_1): Only call find_idf if needed.
2576         (get_reaching_def): Call get_default_def_for.
2577         (rewrite_operand): Remove.
2578         (rewrite_stmt): Do nothing if REGISTER_DEFS_IN_THIS_STMT
2579         and REWRITE_THIS_STMT are false.
2580         Assume that all the operands in the statement are in
2581         normal form.
2582         (rewrite_add_phi_arguments): Don't use PHI_REWRITTEN.
2583         (rewrite_virtual_phi_arguments): Remove.
2584         (invalidate_name_tags): Remove.
2585         (register_new_update_single, register_new_update_set,
2586         rewrite_update_init_block, replace_use,
2587         rewrite_update_fini_block, rewrite_update_stmt,
2588         rewrite_update_phi_arguments): New.
2589         rewrite_blocks): Remove argument 'fix_virtual_phis'.
2590         Add arguments 'entry', 'what' and 'blocks'.
2591         Initialize the dominator walker according to 'what' and
2592         'blocks'.
2593         Start the dominator walk at 'entry'.
2594         (mark_def_site_blocks): Add argument 'interesting_blocks'.
2595         Use it to configure the dominator walker.
2596         (rewrite_into_ssa): Remove argument 'all'.
2597         Make internal.
2598         (rewrite_all_into_ssa): Remove.
2599         (rewrite_def_def_chains): Remove.
2600         (mark_def_interesting, mark_use_interesting,
2601         prepare_phi_args_for_update, prepare_block_for_update,
2602         prepare_def_site_for, prepare_def_sites,
2603         dump_names_replaced_by, debug_names_replaced_by,
2604         dump_repl_tbl, debug_repl_tbl, init_update_ssa,
2605         delete_update_ssa, create_new_def_for,
2606         register_new_name_mapping, mark_sym_for_renaming,
2607         mark_set_for_renaming, need_ssa_update_p,
2608         name_registered_for_update_p, ssa_names_to_replace,
2609         release_ssa_name_after_update_ssa,
2610         insert_updated_phi_nodes_for, update_ssa): New.
2611         * tree-loop-linear.c (linear_transform_loops): Call
2612         update_ssa instead of rewrite_into_ssa.
2613         * tree-optimize.c (vars_to_rename): Remove.
2614         Update all users.
2615         (init_tree_optimization_passes): Replace
2616         pass_redundant_phi with pass_copy_prop.
2617         Add pass_vrp.
2618         Replace pass_ccp with pass_store_ccp.
2619         Add pass_store_copy_prop after pass_store_ccp.
2620         (execute_todo): If the TODO_ flags don't include updating
2621         the SSA form, assert that it does not need to be updated.
2622         Call update_ssa instead of rewrite_into_ssa and
2623         rewrite_def_def_chains.
2624         If TODO_verify_loops is set, call verify_loop_closed_ssa.
2625         (tree_rest_of_compilation):
2626         * tree-pass.h (TODO_dump_func, TODO_ggc_collect,
2627         TODO_verify_ssa, TODO_verify_flow, TODO_verify_stmts,
2628         TODO_cleanup_cfg): Renumber.
2629         (TODO_verify_loops, TODO_update_ssa,
2630         TODO_update_ssa_no_phi, TODO_update_ssa_full_phi,
2631         TODO_update_ssa_only_virtuals): Define.
2632         (pass_copy_prop, pass_store_ccp, pass_store_copy_prop, pass_vrp):
2633         Declare.
2634         * tree-phinodes.c (make_phi_node): Update documentation.
2635         (remove_all_phi_nodes_for): Remove.
2636         (find_phi_node_for): New.
2637         * tree-pretty-print.c (dump_generic_node): Handle ASSERT_EXPR.
2638         * tree-scalar-evolution.c (follow_ssa_edge_in_rhs): Likewise.
2639         (interpret_rhs_modify_expr): Likewise.
2640         * tree-sra.c (decide_instantiations): Mark all symbols in
2641         SRA_CANDIDATES for renaming.
2642         (mark_all_v_defs_1): Rename from mark_all_v_defs.
2643         (mark_all_v_defs): New function.  Update all users to call it
2644         with the whole list of scalarized statements, not just the
2645         first one.
2646         * tree-ssa-alias.c (count_ptr_derefs): Make extern.
2647         (compute_flow_insensitive_aliasing): If the tag is
2648         unmodifiable and the variable isn't or vice-versa, don't
2649         make them alias of each other.
2650         (setup_pointers_and_addressables): If the type tag for
2651         VAR is about to change, mark the old one for renaming.
2652         (add_type_alias): New.
2653         * tree-ssa-ccp.c: Document SSA-CCP and STORE-CCP.
2654         (ccp_lattice_t): Rename from latticevalue.
2655         (value): Remove.  Update all users.
2656         (const_val): New local variable.
2657         (do_store_ccp): New local variable.
2658         (dump_lattice_value): Handle UNINITIALIZED.
2659         (debug_lattice_value): New.
2660         (get_default_value): Re-write.
2661         (set_lattice_value): Re-write.
2662         (def_to_varying): Remove.  Update all users.
2663         (likely_value): Return VARYING for statements that make
2664         stores when STORE_CCP is false.
2665         Return VARYING for any statement other than MODIFY_EXPR,
2666         COND_EXPR and SWITCH_EXPR.
2667         (ccp_initialize): Re-write.
2668         (replace_uses_in, replace_vuse_in, substitute_and_fold):
2669         Move to tree-ssa-propagate.c.
2670         (ccp_lattice_meet): Handle memory stores when
2671         DO_STORE_CCP is true.
2672         (ccp_visit_phi_node): Likewise.
2673         (ccp_fold): Likewise.
2674         (evaluate_stmt): Likewise.
2675         (visit_assignment): Likewise.
2676         (ccp_visit_stmt): Likewise.
2677         (execute_ssa_ccp): Add argument 'store_ccp'.  Copy it
2678         into DO_STORE_CCP.
2679         (do_ssa_ccp): New.
2680         (pass_ccp): Use it.
2681         (do_ssa_store_ccp): New.
2682         (gate_store_ccp): New.
2683         (pass_store_ccp): Declare.
2684         * tree-ssa-copy.c: Include tree-ssa-propagate.h.
2685         (may_propagate_copy): Reformat.
2686         Don't abort if ORIG is a virtual and DEST isn't.
2687         If NEW does not have alias information but DEST does,
2688         copy it.
2689         (copy_of, cached_last_copy_of, do_store_copy_prop, enum
2690         copy_prop_kind, which_copy_prop): Declare.
2691         (stmt_may_generate_copy, get_copy_of_val,
2692         get_last_copy_of, set_copy_of_val, dump_copy_of,
2693         copy_prop_visit_assignment, copy_prop_visit_cond_stmt,
2694         copy_prop_visit_stmt, copy_prop_visit_phi_node,
2695         init_copy_prop, fini_copy_prop, execute_copy_prop,
2696         gate_copy_prop, do_copy_prop, gate_store_copy_prop,
2697         store_copy_prop): New.
2698         (pass_copy_prop, pass_store_copy_prop): Declare.
2699         * tree-ssa-dom.c (struct opt_stats_d): Add fields
2700         'num_const_prop' and 'num_copy_prop'.
2701         (cprop_operand): Update them.
2702         (dump_dominator_optimization_stats): Dump them.
2703         (tree_ssa_dominator_optimize): Call update_ssa instead of
2704         rewrite_into_ssa.
2705         (loop_depth_of_name): Declare extern.
2706         (simplify_cond_and_lookup_avail_expr): Guard against NULL
2707         values for LOW or HIGH.
2708         (cprop_into_successor_phis): Only propagate if NEW != ORIG.
2709         (record_equivalences_from_stmt): Call expr_computes_nonzero.
2710         (cprop_operand): Only propagate if VAL != OP.
2711         * tree-ssa-dse.c (dse_optimize_stmt): Mark symbols in removed
2712         statement for renaming.
2713         * tree-ssa-loop-im.c (move_computations): Call update_ssa.
2714         * tree-ssa-loop-ivopts.c (rewrite_address_base): Call
2715         add_type_alias if necessary.
2716         Call mark_new_vars_to_rename.
2717         (tree_ssa_iv_optimize): If new symbols need to be renamed,
2718         mark every statement updated, call update_ssa and
2719         rewrite_into_loop_closed_ssa.
2720         * tree-ssa-loop-manip.c (add_exit_phis): Do not remove DEF_BB
2721         from LIVEIN if VAR is a virtual.
2722         * tree-ssa-loop.c (tree_loop_optimizer_init): Call update_ssa.
2723         * tree-ssa-operands.c (get_expr_operands): Handle ASSERT_EXPR.
2724         (get_call_expr_operands): Reformat statement.
2725         (add_stmt_operand): Don't create V_MAY_DEFs for read-only
2726         symbols.
2727         * tree-ssa-propagate.c (ssa_prop_init): Initialize
2728         SSA_NAME_VALUE for every name.
2729         (first_vdef, stmt_makes_single_load, stmt_makes_single_store,
2730         get_value_loaded_by): New.
2731         (replace_uses_in, replace_vuses_in, replace_phi_args_in,
2732         substitute_and_fold): Move from tree-ssa-ccp.c.
2733         * tree-ssa-propagate.h (struct prop_value_d, prop_value_t,
2734         first_vdef, stmt_makes_single_load, stmt_makes_single_store,
2735         get_value_loaded_by, replace_uses_in, substitute_and_fold):
2736         Declare.
2737         * tree-ssa.c (verify_use): Fix error message.
2738         (propagate_into_addr, replace_immediate_uses, get_eq_name,
2739         check_phi_redundancy, kill_redundant_phi_nodes,
2740         pass_redundant_phi): Remove.  Update all users.
2741         * tree-vect-transform.c (vect_create_data_ref_ptr): Call
2742         add_type_alias, if necessary.
2743         * tree-vectorizer.h (struct _stmt_vect_info): Update
2744         documentation for field 'memtag'.
2745         * tree-vrp.c: New file.
2746         * tree.def (ASSERT_EXPR): Define.
2747         * tree.h (ASSERT_EXPR_VAR): Define.
2748         (ASSERT_EXPR_COND): Define.
2749         (SSA_NAME_VALUE_RANGE): Define.
2750         (struct tree_ssa_name): Add field 'value_range'.
2751         (PHI_REWRITTEN): Remove.
2752         (struct tree_phi_node): Remove field 'rewritten'.
2753         * doc/invoke.texi (-fdump-tree-storeccp, -ftree-copy-prop,
2754         -ftree-store-copy-prop): Document.
2755         * doc/tree-ssa.texi: Remove broken link to McCAT's compiler.
2756         Document usage of update_ssa.
2757
2758 2005-04-08  David Edelsohn  <edelsohn@gnu.org>
2759
2760         PR target/20814
2761         * config/rs6000/predicates.md (altivec_register_operand): Accept
2762         SUBREG.
2763         (and64_operand): Do not limit CONST_INT to mask64_operand.
2764         (and64_2_operand): Do not limit CONST_INT to mask64_1or2_operand.
2765         (and_operand): Do not limit CONST_INT to mask_operand.
2766
2767 2005-04-09  Hans-Peter Nilsson  <hp@axis.com>
2768
2769         PR rtl-optimization/20466
2770         * flow.c (invalidate_mems_from_set): Handle a MEM by checking it
2771         for overlap of the address of each list member.
2772         (mark_set_1): Call invalidate_mems_from_set for MEMs too.
2773
2774 2005-04-08  Mike Stump  <mrs@apple.com>
2775
2776         * config/darwin.c (indirect_data): Fix typo in strncmp logic.
2777
2778         * config/rs6000/rs6000.c (rs6000_emit_prologue): Use 5 nops,
2779         instead of 4.
2780
2781 2005-04-08  Kazu Hirata  <kazu@cs.umass.edu>
2782
2783         * c-tree.h (C_LANG_TREE_NODE_CHAIN_NEXT): Remove.
2784
2785         * function.c (push_function_context_to): Don't set
2786         contains_functions.
2787         * function.h (function): Remove contains_functions.
2788         (current_function_contains_functions): Remove.
2789
2790         * function.h (function): Remove instrument_entry_exit.
2791         (current_function_instrument_entry_exit): Remove.
2792
2793         * function.h (nonlocal_labels): Remove.
2794
2795         * tree.h (STRIP_MAIN_TYPE_NOPS): Remove.
2796
2797         * genattrtab.c (attr_desc): Remove negative_ok and unsigned_p.
2798         (check_attr_value, write_attr_get, write_expr_attr_cache,
2799         find_attr, make_internal_attr): Don't reference negative_ok or
2800         unsigned_p.
2801         * genattrtab.h (ATTR_NEGATIVE_OK, ATTR_UNSIGNED,
2802         ATTR_FUNC_UNITS, ATTR_BLOCKAGE): Remove.
2803         (ATTR_STATIC): Adjust the value.
2804
2805         * c-common.h (C_ARTIFICIAL_STRING_P): Remove.
2806
2807 2005-04-08  Ulrich Weigand  <uweigand@de.ibm.com>
2808
2809         * config/s390/tpf.h (ASM_SPEC): Define.
2810
2811 2005-04-08  Kazu Hirata  <kazu@cs.umass.edu>
2812
2813         * tree-flow.h: Remove the prototype for
2814         redirect_immediate_uses.
2815         (TDFA_USE_OPS, TDFA_USE_VOPS): Remove.
2816
2817 2005-04-08  Richard Earnshaw  <richard.earnshaw@arm.com>
2818
2819         * arm.c (arm_const_double_by_parts): New function.
2820         * arm-protos.h (arm_const_double_by_parts): Add prototype.
2821         * arm.md (define_split for 64-bit constants): Add another one.
2822
2823 2005-04-08  Andrew MacLeod  <amacleod@redhat.com>
2824
2825         * tree-ssa-operands.c (correct_use_link): Remove linear scan.
2826
2827 2005-04-08  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2828
2829         * system.h: Revert last change.
2830
2831 2005-04-08  Richard Sandiford  <rsandifo@redhat.com>
2832
2833         * config/xtensa/xtensa.h (target_flags, MASK_NO_FUSED_MADD)
2834         (MASK_CONST16, TARGET_NO_FUSED_MADD, TARGET_CONST16)
2835         (TARGET_SWITCHES): Delete.
2836         * config/xtensa/xtensa.c (TARGET_DEFAULT_TARGET_FLAGS): Define.
2837         * config/xtensa/xtensa.md (muladdsf3, mulsubsf3): Check
2838         TARGET_FUSED_MADD instead of !TARGET_NO_FUSED_MADD.
2839         * config/xtensa/xtensa.opt: New file.
2840
2841 2005-04-08  Ben Elliston  <bje@au.ibm.com>
2842
2843         * config/fp-bit.c: Include L_mul_tf in #endif comment.
2844         * config/fp-bit.h: Tidy comments.
2845
2846 2005-04-07  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2847
2848         * system.h: Poison PARAMS.
2849
2850 2005-04-07  Richard Sandiford  <rsandifo@redhat.com>
2851
2852         * config/vax/vax.h (target_flags, MASK_UNIX_ASM, MASK_VAXC_ALIGNMENT)
2853         (MASK_G_FLOAT, TARGET_UNIX_ASM, TARGET_VAXC_ALIGNMENT, TARGET_G_FLOAT)
2854         (TARGET_SWITCHES): Delete.
2855         * config/vax/vax.c (TARGET_DEFAULT_TARGET_FLAGS): Override default.
2856         * config/vax/vax.opt: New file.
2857
2858 2005-04-07  Daniel Berlin  <dberlin@dberlin.org>
2859
2860         * tree-ssa-dse.c (dse_optimize_stmt): Fix incorrect comment.
2861
2862 2005-04-07  Ian Lance Taylor  <ian@airs.com>
2863
2864         * config/iq2000/iq2000.h (DONT_ACCESS_GBLS_AFTER_EPILOGUE): Don't
2865         define.
2866         * config/mips/mips.h (DONT_ACCESS_GBLS_AFTER_EPILOGUE): Likewise.
2867         * config/sparc/sparc.h (DONT_ACCESS_GBLS_AFTER_EPILOGUE):
2868         Likewise.
2869
2870 2005-04-07  Kazu Hirata  <kazu@cs.umass.edu>
2871
2872         * tree-ssa-sink.c (nearest_common_dominator_of_uses): Consider
2873         all immediate uses in PHI nodes.
2874
2875 2005-04-07  Richard Earnshaw  <richard.earnshaw@arm.com>
2876
2877         * arm.c (arm_const_double_inline_cost): Handle any constant by
2878         using gen_lowpart and gen_highpart_mode.
2879         (note_invalid_constants): All constants in an RTX with a constraint
2880         that permits memory are now pushed to the constant pool.
2881         (output_move_double): Delete code to handle reg to reg and
2882         constant to reg moves.
2883         (const_double_needs_minipool, output_mov_immediate): Delete.
2884         * arm.h (EXTRA_CONSTRAINT_STR_ARM): All 'D' variants now handle
2885         CONST_INT and CONST_VECTOR.
2886         * arm.md (ANY64): New mode macro.
2887         (arm_movdi): Split reg-reg and const-reg moves.  Simplify constraints.
2888         (movdf_soft_insn): Split reg-reg and const-reg moves.
2889         (split patterns for 64-bit constant and register moves): New.
2890         * cirrus.md (cirrus_arm_movdi): Split reg-reg and const-reg moves.
2891         (cirrus_movdf_hard_insn): Likewise.
2892         * fpa.md (movdf_fpa): Likewise.
2893         * iwmmxt.md (iwmmxt_arm_movdi): Likewise.
2894         (movv8qi_internal, movv4hi_internal, movv2si_internal): Fix
2895         constraints.
2896         (movv2si_internal_2): Likewise.
2897         * vfp.md (arm_movdi_vfp): Split reg-reg and const-reg moves.
2898         (movdf_vfp): Likewise.
2899         * arm-protos.h (output_mov_immediate): Delete prototype.
2900
2901 2005-04-07  Joseph S. Myers  <joseph@codesourcery.com>
2902
2903         PR target/20093
2904         * simplify-rtx.c (simplify_unary_operation_1): Check
2905         SUBREG_PROMOTED_UNSIGNED_P (op) > 0 for zero-extension.
2906
2907 2005-04-06  James E Wilson  <wilson@specifixinc.com>
2908
2909         PR target/20717
2910         * cgraphunit.c (record_call_1, case FDESC_EXPR): Handle same as
2911         ADDR_EXPR.
2912
2913 2004-04-06  Richard Sandiford  <rsandifo@redhat.com>
2914
2915         * coverage.h (GCOV_TYPE_NODE): Delete.
2916         * coverage.c (coverage_counter_alloc, tree_coverage_counter_ref)
2917         (build_ctr_info_type): Use get_gcov_type () instead of GCOV_TYPE_NODE.
2918         * tree-profile.c (tree_gen_edge_profiler, tree_gen_interval_profiler)
2919         (tree_gen_pow2_profiler, tree_gen_one_value_profiler): Likewise.
2920         * value-prof.c (tree_divmod_fixed_value_transform): Delete.
2921
2922 2004-04-06  Richard Sandiford  <rsandifo@redhat.com>
2923
2924         PR other/20792
2925         * Makefile.in (gcc.pot): Remove options.c dependency.
2926         * optc-gen.awk: Don't quote help strings with N_().
2927
2928 2005-04-06  James A. Morrison  <phython@gcc.gnu.org>
2929
2930         * c-common.c (handle_malloc_atttribute): Only set DECL_IS_MALLOC if
2931         the function returns a pointer type.
2932
2933 2005-04-06  Daniel Berlin  <dberlin@dberlin.org>
2934
2935         * params.def (PARAM_SALIAS_MAX_IMPLICIT_FIELDS): New
2936         * params.h (SALIAS_MAX_IMPLICIT_FIELDS): New
2937         * doc/invoke.texi: Documnet salias-max-implicit-fields.
2938         * tree-ssa-alias.c (struct used_part): Add implicit_uses and
2939         explicit_uses members.
2940         (get_or_create_used_part_for): Initialize new fields.
2941         (fieldoff_compare): New function.
2942         (create_overlap_variables_for): Count number of fields, use
2943         heuristic to determine whether to create subvars for vars with
2944         only implicit uses.
2945         Sort the field list by offset and avoid creating duplicate SFT's.
2946
2947 2005-04-06  Richard Sandiford  <rsandifo@redhat.com>
2948
2949         * c.opt (-F): Remove trailing whitespace from help string.
2950         (-finput-charset): Use a tab to separate the switch name and help
2951         string.
2952         * common.opt (-fsched-stalled-insns, -fsched-stalled-insns-dep)
2953         (-ftree-vectorizer-verbose): Likewise.
2954
2955 2005-04-06  Kazu Hirata  <kazu@cs.umass.edu>
2956
2957         * tree-ssa-sink.c (nearest_common_dominator_of_uses): Look at
2958         a PHI argument where a use occurs instead of all PHI arguments.
2959
2960 2005-04-06  Joseph S. Myers  <joseph@codesourcery.com>
2961
2962         * c-decl.c (finish_decl): Apply pending #pragma weak regardless of
2963         scope.
2964
2965 2005-04-06  Kazu Hirata  <kazu@cs.umass.edu>
2966
2967         * cse.c, tree-flow-inline.h, tree-flow.h, tree-ssa-operands.c,
2968         tree-ssa-sink.c, tree.h, config/bfin/bfin.c,
2969         config/bfin/bfin.h: Fix comment typos.
2970
2971 2005-04-06  Ranjit Mathew  <rmathew@hotmail.com>
2972
2973         * doc/install.texi: Update the URL for Jacks.
2974         * doc/sourcebuild.texi: Likewise.
2975
2976 2005-04-06  Eric Botcazou  <ebotcazou@libertysurf.fr>
2977
2978         PR target/17245
2979         * config/sparc/sparc.c (legitimate_address_p): Remove 'imm2'.
2980         Revert 2004-10-08 patch.  Reject TFmode LO_SUM in 32-bit mode.
2981
2982 2005-04-06  Kelley Cook  <kcook@gcc.gnu.org>
2983
2984         * Makefile.in (LIBGCC2_CFLAGS): Revert -pipe change.
2985
2986 2005-04-06  Richard Sandiford  <rsandifo@redhat.com>
2987
2988         * config/v850/v850-protos.h (override_options): Delete.
2989         * config/v850/v850.h (target_flags, MASK_GHS, MASK_LONG_CALLS, MASK_EP)
2990         (MASK_PROLOG_FUNCTION, MASK_DEBUG, MASK_V850, MASK_V850E)
2991         (MASK_SMALL_SLD, MASK_BIG_SWITCH, MASK_NO_APP_REGS, MASK_DISABLE_CALLT)
2992         (MASK_STRICT_ALIGN, MASK_US_BIT_SET, MASK_US_MASK_SET, TARGET_GHS)
2993         (TARGET_LONG_CALLS, TARGET_EP, TARGET_PROLOG_FUNCTION, TARGET_V850)
2994         (TARGET_BIG_SWITCH, TARGET_DEBUG, TARGET_V850E, TARGET_US_BIT_SET)
2995         (TARGET_SMALL_SLD, TARGET_DISABLE_CALLT, TARGET_NO_APP_REGS)
2996         (TARGET_STRICT_ALIGN, TARGET_SWITCHES, TARGET_OPTIONS)
2997         (OVERRIDE_OPTIONS): Delete.
2998         (MASK_CPU): Redefine as MASK_V850 | MASK_V850E.
2999         (small_memory_info): Remove the value field.
3000         (CONDITIONAL_REGISTER_USAGE): Check !TARGET_APP_REGS rather than
3001         TARGET_NO_APP_REGS.
3002         * config/v850/v850.c (small_memory): Remove the value field.
3003         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
3004         (override_options): Delete.
3005         (v850_handle_memory_option, v850_handle_option): New functions.
3006         * config/v850/v850.opt: New file.
3007
3008 2005-04-06  Geoffrey Keating  <geoffk@apple.com>
3009
3010         * config.host: Add a section for generic hosts, and a subsection
3011         for Darwin.  Add a case for x86-darwin.  Update ppc-darwin case.
3012         * config/host-darwin.c: New, split out of config/rs6000/host-darwin.c.
3013         * config/host-darwin.h: New.
3014         * config/x-darwin: New.
3015         * config/i386/host-i386-darwin.c: New.
3016         * config/i386/x-darwin: New.
3017         * config/rs6000/host-darwin.c: Include host-darwin.h.
3018         (darwin_rs6000_gt_pch_get_address): Move to config/host-darwin.c.
3019         (darwin_rs6000_gt_pch_use_address): Likewise.
3020         * config/rs6000/x-darwin: Change name of .o built, update
3021         dependencies for changes to rs6000/host-darwin.c.
3022
3023 2005-04-06  Ralf Corsepius  <ralf.corsepius@rtems.org>
3024
3025         PR target/17824
3026         * config/c4x/c4x.h (ASM_PROG, LD_PROG): Remove.
3027
3028 2005-04-06  Dorit Naishlos  <dorit@il.ibm.com>
3029
3030         * tree-vect-analyze.c (vect_analyze_loop_form): Call
3031         split_loop_exit_edge instead of loop_split_edge_with.
3032
3033 2005-04-06  Paolo Bonzini  <bonzini@gnu.org>
3034
3035         * config/rs6000/altivec.md (UNSPEC_VSLW, UNSPEC_SUBS,
3036         UNSPEC_SET_VSCR): New constants, used throughout.
3037         (*andc3_v4sf): New.
3038         (altivec_vspltisb, altivec_vsplitish, altivec_vsplitisw):
3039         Replace with...
3040         (altivec_vspltis<VI_char>): ... this pattern, using
3041         a QImode const_int_operand for the immediate.
3042         (abs<mode>2, absv4sf2, altivec_abss_<mode>): Rewrite as
3043         define_expands.
3044
3045 2005-04-06  Ralf Corsepius  <ralf.corsepius@rtems.org>
3046
3047         PR target/17822
3048         * config/avr/t-avr (AR_FOR_TARGET,RANLIB_FOR_TARGET): Remove.
3049
3050 2005-04-06  Kelley Cook  <kcook@gcc.gnu.org>
3051
3052         * Makefile.in (LIBGCC2_CFLAGS): Compile with -pipe.
3053
3054 2005-04-06  Ben Elliston  <bje@au.ibm.com>
3055
3056         * gcc.c: Correct comment about DEFAULT_SWITCH_TAKES_ARG and
3057         DEFAULT_WORD_SWITCH_TAKES_ARG which incorrectly reported these
3058         macros as living in "this file" and not gcc.h.
3059
3060 2005-04-06  Ben Elliston  <bje@au.ibm.com>
3061
3062         * doc/invoke.texi (Optimize Options): Mention -ftree-lrs, not
3063         -ftree-live_range_split.  Perhaps renamed at some point?
3064
3065 2005-04-06  Zdenek Dvorak  <dvorakz@suse.cz>
3066
3067         PR target/20625
3068         * tree-ssa-loop-ivopts.c (generic_type_for): New function.
3069         (add_candidate_1): Use generic_type_for instead of unsigned_type_for.
3070
3071 2005-04-06  Zdenek Dvorak  <dvorakz@suse.cz>
3072
3073         * tree-flow.h (number_of_iterations_cond): Declaration removed.
3074         * tree-ssa-loop-niter.c (number_of_iterations_cond): Made static.
3075         (number_of_iterations_special): New function.
3076         (number_of_iterations_exit): Use number_of_iterations_special.
3077         Use simplify_using_outer_evolutions only at -O3.
3078         (number_of_iterations_cond, tree_simplify_using_condition,
3079         simplify_using_initial_conditions, loop_niter_by_eval,
3080         compare_trees, can_count_iv_in_wider_type_bound,
3081         simplify_using_outer_evolutions): Use fold_build.
3082
3083 2005-04-05  Thomas Fitzsimmons  <fitzsim@redhat.com>
3084
3085         * doc/install.texi (Configuration): Document --with-java-home.
3086
3087 2005-04-05  Richard Henderson  <rth@redhat.com>
3088
3089         PR target/20342
3090         PR target/20447
3091         * config/i386/i386.c (print_operand): Handle vector zeros.
3092         (ix86_split_to_parts): Handle CONST_VECTOR.
3093         (ix86_hard_regno_mode_ok): Allow MMX modes in general regs.
3094         (ix86_modes_tieable_p): Use ix86_hard_regno_mode_ok to decide
3095         what modes to tie for MMX and SSE registers.
3096         * config/i386/i386.h (MMX_REG_MODE_P): Remove.
3097         * config/i386/i386.md: Extend move 0 -> xor peephole to apply
3098         to vector modes as well.
3099         * config/i386/predicates.md (const0_operand): Handle VOIDmode
3100         properly as an input mode.
3101
3102 2005-04-05  Andrew MacLeod  <amacleod@redhat.com>
3103
3104         * tree-ssa-operands.c (verify_abort): Use %p for pointers.
3105
3106 2005-04-05  Andrew MacLeod  <amacleod@redhat.com>
3107
3108         * tree-pretty-print.c (dump_generic_node): Use %p for pointer.
3109
3110 2005-04-05  Jakub Jelinek  <jakub@redhat.com>
3111
3112         * config/i386/i386.c (init_cumulative_args): For -m32 -mfpmath=sse
3113         and local functions, set sse_nregs to 8 and float_in_sse.
3114         (function_arg_advance, function_arg): If float_in_sse, pass
3115         SFmode and DFmode arguments in SSE registers.
3116         * config/i386/i386.h (CUMULATIVE_ARGS): Add float_in_sse field.
3117
3118         * config/i386/i386.c (ix86_value_regno): Only optimize local functions
3119         of -funit-at-a-time.
3120
3121 2005-04-05  Paolo Bonzini  <bonzini@gnu.org>
3122
3123         * config/i386/i386-protos.h (ix86_function_value): Accept two
3124         arguments, like the target macro.
3125         * config/i386/i386.h (FUNCTION_VALUE): Pass both arguments.
3126         * config/i386/i386.c (ix86_function_value): Accept the second
3127         argument of the target macro.
3128         (ix86_function_ok_for_sibcall): Pass a function pointer to
3129         ix86_function_value.
3130         (ix86_function_value, ix86_libcall_value) [!TARGET_64BIT]: Adjust
3131         call to ix86_value_regno).
3132         (ix86_value_regno): Add support for returning floating point values
3133         in SSE registers.
3134
3135 2005-04-05  Jakub Jelinek  <jakub@redhat.com>
3136
3137         PR tree-optimization/20076
3138         * tree-inline.c (inline_forbidden_p_1): Prevent inlining functions
3139         that call __builtin_return or __builtin_apply_args.
3140
3141 2005-04-05  Andrew MacLeod  <amacleod@redhat.com>
3142
3143         * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use update_stmt.
3144         Use immediate use iterator.
3145         (stmt_is_bumper_for_loop): Use immediate use iterator.
3146         * predict.c (strip_builtin_expect): Use update_stmt.
3147         * tree-cfg.c (update_modified_stmts): New. Call update_stmt_if_modified
3148         on all elements of a STATEMENT_LIST.
3149         (bsi_insert_before, bsi_insert_after): Call update_modified_stmts.
3150         (bsi_remove): Remove imm_use links and mark the stmt as modified.
3151         (bsi_replace): Mark stmt as modified and the update it.
3152         * tree-complex.c (update_complex_assignment): Call mark_stmt_modified.
3153         (expand_complex_libcal): Call update_stmt.
3154         (expand_complex_comparison): Call mark_stmt_modified.
3155         (expand_complex_operations_1): Call update_stmt_if_modified.
3156         (expand_vector_operations_1): Call mark_stmt_modified.
3157         * tree-dfa.c (compute_immediate_uses, free_df_for_stmt, free_df,
3158         compute_immediate_uses_for_phi, compute_immediate_uses_for_stmt,
3159         add_immediate_use, redirect_immediate_use,
3160         redirect_immediate_uses, dump_immediate_uses, debug_immediate_uses,
3161         dump_immediate_uses_for, debug_immediate_uses_for): Delete.
3162         (mark_new_vars_to_rename): Call update_stmt.
3163         * tree-dump.c (dump_option_value_in): Add "stmtaddr".
3164         * tree-flow-inline.h (modify_stmt): Rename to mark_stmt_modified.
3165         Ignore PHI nodes.
3166         (unmodify_stmt): Delete.
3167         (update_stmt): New.  Force an update of a stmt.
3168         (update_stmt_if_modified): update a stmt if it is out of date.
3169         (get_stmt_operands): Verify stmt is NOT modified.
3170         (stmt_modified_p): Update comment.
3171         (delink_imm_use): Remove a use node from its immuse list.
3172         (link_imm_use_to_list): Link a use node to a specific list.
3173         (link_imm_use): Link a node to the correct list.
3174         (set_ssa_use_from_ptr): Set a use node to a specific value, and insert
3175         it in the correct list, if appropriate.
3176         (link_imm_use_stmt): Link a use node, and set the stmt pointer.
3177         (relink_imm_use): Link a use node in place of another node in a list.
3178         (relink_imm_use_stmt): LInk a node in place of another node, and set
3179         the stmt pointer.
3180         (end_safe_imm_use_traverse): New.  Terminate a safe immuse iterator.
3181         (end_safe_imm_use_p): New.  Check for the end of a safe immuse iterator.
3182         (first_safe_imm_use): New.  Initialize a safe immuse iterator.
3183         (next_safe_imm_use): New.  Proceed to next safe immuse iterator value.
3184         (end_readonly_imm_use_p): New.  Check for end of a fast immuse iterator.
3185         (first_readonly_imm_use): New.  Initialize a fast immuse iterator.
3186         (next_readonly_imm_use): New.  Get the next fast immuse iterator value.
3187         (has_zero_uses): New.  Return true if there are no uses of a var.
3188         (has_single_use): New.  Return true if there is only a single use of a
3189         variable.
3190         (single_imm_use): New.  Return the simgle immediate use.
3191         (num_imm_uses): New.  Return the number of immediate uses.
3192         (get_v_must_def_ops): Use is now a pointer.
3193         (use_operand_p, get_v_may_def_op_ptr, get_vuse_op_ptr,
3194         get_v_must_def_kill_ptr, get_phi_arg_def_ptr): Return the address of
3195         the use node.
3196         (get_immediate_uses, num_immediate_uses, immediate_use): Delete.
3197         (delink_stmt_imm_use): Delink all immuses from a stmt.
3198         (phi_arg_index_from_use): New.  Return a phi arg index for a use.
3199         * tree-flow.h (struct dataflow_d): Delete.
3200         (immediate_use_iterator_d): New.  Immediate use iterator struct.
3201         (FOR_EACH_IMM_USE_FAST): New.  Macro for read only immuse iteration.
3202         (FOR_EACH_IMM_USE_SAFE): New.  Macro for write-safe immuse iteration.
3203         (BREAK_FROM_SAFE_IMM_USE): New.  Macro for earlyu exit from write-safe
3204         iteration.
3205         (struct stmt_ann_d): Remove dataflow_t from struct.
3206         * tree-if-conv.c (tree_if_conversion).  Don't call free_df.
3207         (if_convertible_phi_p): Use FAST immuse iterator.
3208         (if_convertible_loop_p): Don't call compute_immediate_uses.
3209         (replace_phi_with_cond_modify_expr): Call update_stmt.
3210         * tree-into-ssa.c (mark_def_sites, ssa_mark_def_sites): Call
3211         update_stmt_if_modified.
3212         (rewrite_all_into_ssa): Initialize ssa operands.
3213         * tree-loop-linear.c (linear_transform_loops): Don't call free_df or
3214         compute_immediate_uses.
3215         * tree-optimize.c (execute_todo): Call verify_ssa whenever the
3216         ssa_property is available.
3217         (execute_one_pass):  Change parameters passed to execute_todo.
3218         * tree-outof-ssa.c (rewrite_trees): Don't call modify_stmt.
3219         (remove_ssa_form): Call fini_ssa_operands.
3220         (insert_backedge_copies): Delete call to modify_stmt.
3221         * tree-phinodes.c (make_phi_node): Initialize use nodes.
3222         (release_phi_node): Delink any use nodes before releasing.
3223         (resize_phi_node): Relink any use nodes.
3224         (remove_phi_arg_num): Delink the use node.
3225         (remove_phi_node): Release the ssa_name AFTER releasing the phi node.
3226         (remove_all_phi_nodes_for): Release phi node first.
3227         * tree-pretty-print.c (dump_generic_node): Print stmt address.
3228         * tree-sra.c (mark_all_v_defs): Call update_stmt_if_modified.
3229         (scalarize_use, scalarize_copy): Call update_stmt.
3230         * tree-ssa-alias.c (compute_may_aliases): Update all modified stmts.
3231         (compute_points_to_and_addr_escape): Call mark_stmt_modified.
3232         * tree-ssa-cpp.c (need_imm_uses_for): Delete.
3233         (ccp_initialize): Remove call to compute_immediate_uses.
3234         (substitute_and_fold, execute_fold_all_builtins): Call update_stmt.
3235         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Update all modified
3236         stmts.
3237         (simplify_cond_and_lookup_avail_expr): Call mark_stmt_modified.
3238         (simplify_switch_and_lookup_avail_expr): Call mark_stmt_modified.
3239         (eliminate_redundant_computations): Call mark_stmt_modified.
3240         (cprop_operand): Call mark_stmt_modified.
3241         (optimize_stmt): Call update_stmt_if_modified and mark_stmt_modified.
3242         * tree-ssa-dse.c (fix_phi_uses, fix_stmt_v_may_defs): Delete.
3243         (dse_optimize_stmt): Use new immuse interface.
3244         (tree_ssa_dse): Remove calls to compute_immediate_uses and free_df.
3245         * tree-ssa-forwprop.c (need_imm_uses_for): Delete.
3246         (substitute_single_use_vars): Use new immuse interface.
3247         (tree_ssa_forward_propagate_single_use_vars): Remove calls to free_df
3248         and compute_immediate_uses.
3249         * tree-ssa-loop-im.c (single_reachable_address): Use new immuse
3250         interface.
3251         (rewrite_mem_refs): Call update_stmt.
3252         (determine_lsm): Remove call to compute_imm_uses and free_df.
3253         * tree-ssa-loop-ivcanon.c (create_canonical_iv): Call update_stmt.
3254         (try_unroll_loop_completely): Call update_stmt.
3255         * tree-ssa-loop-ivopts.c (rewrite_address_base): Call update_stmt.
3256         (rewrite_use_compare): Call update_stmt.
3257         (compute_phi_arg_on_exit): Insert each stmt before trying to process.
3258         (rewrite_use) : Call update_stmt.
3259         * tree-ssa-loop-manip.c (verify_loop_closed_ssa): Add arg to call.
3260         * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Call
3261         update_stmt.
3262         * tree-ssa-operands.c (NULL_USE_OPERAND_P): Remove declaration.
3263         (allocate_use_optype, allocate_vuse_optype): Adjust allocation size.
3264         (free_uses, free_vuses, free_v_may_defs, free_v_must_defs): Delink
3265         use nodes.
3266         (initialize_vuse_operand): New.  Initialize a vuse operand.
3267         (initialize_v_may_def_operand): New.  Initialize a maydef operand.
3268         (initialize_v_must_def_operand): New.  Initialize a mustdef operand.
3269         (finalize_ssa_defs): Use stmt parameter.
3270         (correct_use_link): Ensure a use node is in the correct list, and has
3271         the correct stmt pointer.
3272         (finalize_ssa_uses, finalize_ssa_v_may_defs, finalize_ssa_vuses,
3273         finalize_ssa_v_must_defs): Also initialize use nodes.
3274         (finalize_ssa_stmt_operands): Pass extra stmt operands.
3275         (build_ssa_operands): Seperate parsing from final operand construction.
3276         (parse_ssa_operands): New.  Parse entry point for operand building.
3277         (swap_tree_operands): New.  Swap 2 tree operands.
3278         (update_stmt_operands): Ranamed from get_stmt_operands.  Always builds
3279         operands.
3280         (get_expr_operands): Call swap_tree_operands when needed.
3281         (copy_virtual_operands): Use initialize routines for virtual use ops.
3282         (create_ssa_artficial_load_stmt): Add extra stmt parameter.
3283         (verify_abort): New.  Issue imm_use error.
3284         (verify_imm_links): New Verify imm_use links for a var.
3285         (dump_immediate_uses_for): New.  Dump imm_uses for a var to file.
3286         (dump_immediate_uses): New.  Dump imm_uses for all vars to file.
3287         (debug_immediate_uses): New.  Dump imm_uses for all vars to stderr.
3288         (debug_immediate_uses_for): New.  Dump imm_uses for a var to stderr.
3289         * tree-ssa-operands.h (struct use_operand_ptr): Delete.
3290         (NULL_USE_OPERAND_P) Define.
3291         (use_optype_d, v_def_use_operand_type, vuse_optype_d): Add immediate
3292         use node.
3293         (struct vuse_operand_type): New struct.
3294         (SET_USE): Call set_ssa_use_from_ptr.
3295         (USE_STMT): Define.
3296         (PHI_ARG_INDEX_FROM_USE): Define.
3297         * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Set the phi
3298         argument via SET_USE, not PHI_ARG_DEF_TREE.
3299         * tree-ssa-pre.c (eliminate): Call update_stmt.
3300         * tree-ssa-propagate.c (cfg_blocks_get): Use imm_use iterators.  Don't
3301         call free_df.
3302         * tree-ssa-sink.c (all_immediate_uses_same_place): Use imm_use iterator.
3303         (nearest_common_dominator_of_uses): Use imm_use iterator.
3304         (statement_sink_location): Use imm_use iterator and interface.
3305         (execute_sink_code): Don't call compute_immediate_uses or free-df.
3306         * tree-ssa-threadupdate.c (create_edge_and_update_destination_phis): Use
3307         PHI_ARG_DEF, not PHI_ARG_DEF_TREE.
3308         * tree-ssa.c (verify_use, verify_phi_args): Verify some imm_use info.
3309         (verify_ssa): Ensure no stmt is marked modify after optimization pass
3310         if new parameter is true.
3311         (init_tree_ssa): Don't initialize operand cache here.
3312         (delete_tree_ssa): Don't destroy operand cache here.
3313         (propagate_into_addr): Pass in a use pointer, return true if anything
3314         was changed.
3315         (replace_immediate_uses): Use imm_use iterator, call update_stmt.
3316         (check_phi_redundancy): Use imm_use iterator.
3317         (kill_redundant_phi_nodes): Don't call compute_immediate_uses or
3318         free_df.
3319         * tree-ssanames.c (make_ssa_name): Initialize imm_use node.
3320         (release_ssa_name): Delink node and all elements in its imm_use list.
3321         * tree-tailcall.c (adjust_return_value): Call update_stmt.
3322         * tree-vect-analyze.c (vect_stmt_relevant_p): Use imm_use iterator.
3323         * tree-vectorizer.c (need_imm_uses_for): Delete.
3324         (vectorize_loops): Dont call compute_immediate_uses or free_df.
3325         * tree.h (struct ssa_imm_use_d): Define.
3326         (SSA_NAME_IMM_USE_NODE): Define.
3327         (struct tree_ssa_name): Add imm_use node.
3328         (PHI_DF): Delete.
3329         (PHI_ARG_IMM_USE_NODE): Define.
3330         (struct phi_arg_d): Add imm_use node.
3331         (struct tree_phi_node): Remove struct dataflow_d element.
3332         (TDF_STMTADDR): Define.
3333
3334 2005-04-05  Dale Johannesen  <dalej@apple.com>
3335
3336         * doc/invoke.texi (Optimization Options):  Remove
3337         duplicate -fcse-follow-jumps.  Add -fweb.
3338         (-ftree-lim):  Fix spelling (-ftree-loop-im, invariants).
3339         (-fivcanon):  Fix spelling (-ftree-loop-ivcanon).
3340
3341 2005-04-05  Per Bothner  <per@bothner.com>
3342
3343         * tree-ssa.c (execute_early_warn_uninitialized): Pass context node
3344         to talk_tree as 'data' parameter, rather than EXPR_LOCUS.
3345         (warn_uninit): Get EXPR_LOCUS from context now instead.
3346         This fixes a USE_MAPPED_LOCATION testsuite failure.
3347
3348         * tree-ssa.c (warn_uninitialized_var): Remove useless local.
3349
3350 2005-04-05  Per Bothner  <per@bothner.com>
3351
3352         * c-decl.c (finish_function): If USE_MAPPED_LOCATION set the location
3353         of the artification 'return 0' in main() to BUILTINS_LOCATION.
3354         * tree-cfg.c (remove_bb): Check that location isn't BUILTINS_LOCATION
3355         before warning.
3356
3357 2004-04-05  Devang Patel  <dpatel@apple.com>
3358
3359         * config/rs600/altivec.md (altivec_vsr<VI_char>): Rename to ..
3360         (lhsr<mode>3): ... new name.
3361         (altivec_vsra<VI_char>): Rename to ..
3362         (ashr<mode>3): ... new name.
3363         * config/rs6000/rs6000.c (builtin_description): Rename shift
3364         operations.
3365
3366 2004-04-05  Paolo Bonzini  <bonzini@gnu.org>
3367
3368         * combine.c (RTL_HOOKS_GEN_LOWPART_NO_EMIT): Use
3369         gen_lowpart_for_combine.
3370         * cse.c (gen_lowpart_if_possible): Move...
3371         * rtlhooks.c (gen_lowpart_if_possible): ... here.  Also try
3372         gen_lowpart_SUBREG.
3373         (gen_lowpart_no_emit_general): Use it.
3374
3375 2005-04-05  Eric Botcazou  <ebotcazou@libertysurf.fr>
3376
3377         * config/sparc/sparc.c (TARGET_ASM_FILE_END): Undefine before
3378         overriding.
3379
3380 2005-04-05  Paolo Bonzini  <bonzini@gnu.org>
3381
3382         * system.h: Fix typo.
3383
3384 2005-04-05  Bernd Schmidt  <bernd.schmidt@analog.com>
3385
3386         * config/bfin/bfin-modes.def: New file.
3387         * config/bfin/bfin-protos.h: New file.
3388         * config/bfin/bfin.c: New file.
3389         * config/bfin/bfin.h: New file.
3390         * config/bfin/bfin.md: New file.
3391         * config/bfin/bfin.opt: New file.
3392         * config/bfin/crti.s: New file.
3393         * config/bfin/crtn.s: New file.
3394         * config/bfin/elf.h: New file.
3395         * config/bfin/lib1funcs.asm: New file.
3396         * config/bfin/predicates.md: New file.
3397         * config/bfin/t-bfin: New file.
3398         * config/bfin/t-bfin-elf: New file.
3399         * doc/extend.texi (exception_handler, kspisusp, nesting, nmi_handler):
3400         Document new attributes.
3401         (interrupt, interrupt_handler, saveall): Update documentation for
3402         these attributes.
3403         * doc/install.texi (Specific): Add entry for the Blackfin.
3404         * doc/invoke.texi (Blackfin Options): New section.
3405         * doc/md.texi (Blackfin family): New section to document constraints.
3406         * config.gcc: Add bfin*-* and bfin*-elf configurations.
3407
3408 2005-04-05  Olivier Hainque  <hainque@adacore.com>
3409
3410         * config/mips/iris6.h (DWARF_FRAME_RETURN_COLUMN): Redefine to
3411         match what the system unwinder expects.
3412         * config/mips/mips.c (mips_frame_set): If we're saving the return
3413         address register and the dwarf return address column number differs
3414         from the hard register number, adjust the note reg to refer to the
3415         former.
3416
3417 2004-04-05  Richard Sandiford  <rsandifo@redhat.com>
3418
3419         * config/mn10300/mn10300-protos.h (mn10300_override_options): Declare.
3420         * config/mn10300/mn10300.h (target_flags, TARGET_MULT_BUG)
3421         (TARGET_SWITCHES, TARGET_DEFAULT): Delete.
3422         (processor_type): New enum.
3423         (mn10300_processor): New variable.
3424         (TARGET_AM33, TARGET_AM33_2): Redefine in terms of mn10300_processor.
3425         (PROCESSOR_DEFAULT, OVERRIDE_OPTIONS): New macros.
3426         * config/mn10300/linux.h (TARGET_SWITCHES, TARGET_DEFAULT): Delete.
3427         (PROCESSOR_DEFAULT): New macro.
3428         * config/mn10300/mn10300.c (mn10300_processor): New variable.
3429         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
3430         (mn10300_handle_option, mn10300_override_options): New functions.
3431         * config/mn10300/mn10300.opt: New file.
3432
3433 2005-04-05  Eric Botcazou  <ebotcazou@libertysurf.fr>
3434             Sebastian Pop <sebastian.pop@cri.ensmp.fr>
3435
3436         PR tree-optimization/19903
3437         * tree-chrec.c (chrec_convert): Return chrec_dont_know for constants
3438         that don't fit in their type after conversion.
3439
3440 2005-04-05  Uros Bizjak <uros@kss-loka.si>
3441
3442         PR target/20421
3443         * config/i386/i386.md (frndintxf2_floor, frndintxf2_ceil)
3444         (frndintxf2_trunc, frndintxf2_mask_pm): Add FLAGS_REG clobber.
3445         Allocate local stack slots here.  Set ix86_optimize_mode_switching.
3446         flag here. Implement using define_insn_and_split.
3447         (frndintxf2_floor_i387, frndintxf2_ceil_i387, frndintxf2_trunc_i387)
3448         (frndintxf2_mask_pm_i387): New insn patterns.
3449         (floorsf2, floordf2, floorxf2): Remove local stack slot allocations.
3450         Do not set ix86_optimize_mode_switching flag.
3451         (ceilsf2, ceildf2, ceilxf2): Same.
3452         (btruncsf2, btruncdf2, btruncxf2): Same.
3453         (nearbyintsf2, nearbyintdf2, nearbyintxf2): Same.
3454
3455 2005-04-05  Ian Lance Taylor  <ian@airs.com>
3456
3457         PR debug/9963
3458         * config/i386/cygming.h (ASM_OUTPUT_EXTERNAL): Pass DECL to
3459         i386_pe_record_external_function.
3460         (i386_pe_record_external_function): Update declaration.
3461         * config/i386/winnt.c (struct extern_list): Add decl field.
3462         (i386_pe_record_external_function): Add decl parameter.
3463         (i386_pe_file_end): Check TREE_ASM_WRITTEN on decl, not
3464         identifier.
3465         * config/i386/i386-protos.h (i386_pe_record_external_function):
3466         Update declaration.
3467
3468 2005-04-05  Kazu Hirata  <kazu@cs.umass.edu>
3469
3470         * config/m68k/m68k-protos.h: Add a prototype for
3471         valid_dbcc_comparison_p_2.
3472         * config/m68k/m68k.c (not_sp_operand, symbolic_operand,
3473         extend_operator, const_uint32_operand, const_sint32_operand,
3474         general_src_operand, nonimmediate_src_operand,
3475         memory_src_operand, post_inc_operand, pre_dec_operand,
3476         pcrel_address): Move to predicates to predicates.md.
3477         * config/m68k/m68k.h (PREDICATE_CODES): Remove.
3478         * config/m68k/m68k.md: Include predicates.md.
3479         * config/m68k/predicates.md: New.
3480
3481 2005-04-04  Roger Sayle  <roger@eyesopen.com>
3482
3483         * config/i386/i386.md (*truncdfsf2_i387_1): New pattern.
3484
3485         * fold-const.c (maybe_lvalue_p): Delete orphaned comment.
3486
3487 2005-04-04  Ian Lance Taylor  <ian@airs.com>
3488
3489         * c-typeck.c (struct c_switch): Rename switch_stmt field to
3490         switch_expr.
3491         (c_start_case): Build SWITCH_EXPR, not SWITCH_STMT.
3492         (do_case): Use SWITCH_COND rather than SWITCH_STMT_COND.
3493         (c_finish_case): Use SWITCH_BODY rather than SWITCH_STMT_BODY.
3494         Call c_do_switch_expr_warnings rather than c_do_switch_warnings.
3495         * c-common.c (c_do_switch_warnings_1): New static function broken
3496         out of c_do_switch_warnings.
3497         (c_do_switch_warnings): Call c_do_switch_warnings_1.
3498         (c_do_switch_expr_warnings): New function.
3499         * c-common.h (c_do_switch_expr_warnings): Declare.
3500
3501 2005-04-04  David Edelsohn  <edelsohn@gnu.org>
3502             Daniel Jacobowitz  <dan@codesourcery.com>
3503
3504         * tree-eh.c (tree_could_trap_p): Allow non-constant floating point
3505         trapping divide.
3506         * rtlanal.c (may_trap_p): Same.
3507
3508 2005-04-04  Dale Johannesen  <dalej@apple.com>
3509
3510         * ChangeLog:  remove reference to ChangeLog.12.
3511
3512 2005-04-05  Hans-Peter Nilsson  <hp@axis.com>
3513
3514         CRIS epilogue as RTL.
3515         * config/cris/cris.md: Change all 0 in unspec 0 to
3516         CRIS_UNSPEC_PLT.
3517         (CRIS_UNSPEC_PLT, CRIS_UNSPEC_FRAME_DEALLOC): New constants.
3518         ("*cris_load_multiple", "cris_frame_deallocated_barrier"): New
3519         patterns.
3520         ("return"): Change to define_expand.  Call cris_expand_return for
3521         actual expansion.
3522         ("*return_expanded"): New pattern.
3523         ("epilogue"): New define_expand.
3524         * config/cris/cris.h (PREDICATE_CODES): Add
3525         cris_load_multiple_op.
3526         * config/cris/cris.c (ASSERT_PLT_UNSPEC): Correct test for unspec
3527         type.
3528         (enum cris_retinsn_type): New.
3529         (struct machine_function): New member return_type.
3530         (TARGET_ASM_FUNCTION_EPILOGUE): Don't override.
3531         (cris_target_asm_function_epilogue): Remove, moving RTLified
3532         contents to...
3533         (cris_expand_epilogue): New function.
3534         (cris_reg_saved_in_regsave_area, cris_movem_load_rest_p,
3535         (cris_gen_movem_load, cris_load_multiple_op)
3536         (cris_return_address_on_stack_for_return, cris_expand_return): New
3537         functions.
3538         (cris_target_asm_function_prologue)
3539         (cris_initial_frame_pointer_offset): Call
3540         cris_reg_saved_in_regsave_area instead of complicated expression.
3541         Call cris_return_address_on_stack instead of an expression.
3542         (cris_print_operand) <case 'o', case 'O'>: New cases.
3543         (cris_return_address_on_stack): Change return-type to bool.
3544         (cris_simple_epilogue): Ditto.  Return false if registers are
3545         saved.
3546         * config/cris/cris-protos.h (cris_simple_epilogue)
3547         (cris_return_address_on_stack): Adjust prototype return type.
3548         (cris_gen_movem_load, cris_expand_epilogue, cris_expand_return)
3549         (cris_return_address_on_stack_for_return): New prototypes.
3550
3551 2005-04-04  Kazu Hirata  <kazu@cs.umass.edu>
3552
3553         * config/frv/frv.h (PREDICATE_CODES): Add CONST to
3554         gpr_or_int12_operand.
3555
3556         * config/frv/frv-protos.h: Add a prototype to
3557         frv_legitimate_memory_operand and frv_const_unspec_p.
3558         (frv_unspec): Move from frv.c.
3559         * config/frv/frv.c (frv_unspec): Move to frv-protos.h.
3560         (frv_const_unspec_p, frv_legitimate_memory_operand_): Export.
3561         (ldd_address_operand, fdpic_fptr_operand, frv_load_operand,
3562         gpr_or_fpr_operand, gpr_or_int12_operand,
3563         gpr_fpr_or_int12_operand, fpr_or_int6_operand,
3564         gpr_or_int10_operand, gpr_or_int_operand, int12_operand,
3565         int6_operand, int5_operand, uint5_operand, uint4_operand,
3566         uint1_operand, int_2word_operand, uint16_operand,
3567         upper_int16_operand, integer_register_operand,
3568         gpr_no_subreg_operand, fpr_operand, even_reg_operand,
3569         odd_reg_operand, even_gpr_operand, odd_gpr_operand,
3570         quad_fpr_operand, even_fpr_operand, odd_fpr_operand,
3571         dbl_memory_one_insn_operand, dbl_memory_two_insn_operand,
3572         move_destination_operand, movcc_fp_destination_operand,
3573         frv_function_symbol_referenced_p, move_source_operand,
3574         condexec_dest_operand, condexec_source_operand,
3575         reg_or_0_operand, lr_operand, fdpic_operand, got12_operand,
3576         const_unspec_operand, gpr_or_memory_operand,
3577         gpr_or_memory_operand_with_scratch, fpr_or_memory_operand,
3578         icc_operand, fcc_operand, cc_operand, icr_operand,
3579         fcr_operand, cr_operand, call_operand, sibcall_operand,
3580         symbolic_operand, relational_operator,
3581         integer_relational_operator, float_relational_operator,
3582         ccr_eqne_operator, minmax_operator,
3583         condexec_si_binary_operator, condexec_si_media_operator,
3584         condexec_si_divide_operator, condexec_si_unary_operator,
3585         condexec_sf_conv_operator, condexec_sf_add_operator,
3586         condexec_memory_operand, intop_compare_operator, acc_operand,
3587         even_acc_operand, quad_acc_operand, accg_operand: Move to
3588         predicates.md.
3589         * config/frv/frv.h (PREDICATE_CODES): Remove.
3590         * config/frv/frv.md: Include predicates.md.
3591         * config/frv/predicates.md: New.
3592
3593 2004-04-04  Richard Sandiford  <rsandifo@redhat.com>
3594
3595         PR target/19537
3596         * Makefile.in (tree-ssa-loop-ivopts.o): Depend on langhooks.h.
3597         * tree-ssa-loop-ivopts.c: Include langhooks.h.
3598         (add_standard_iv_candidates_for_size): New function, extracting code
3599         from add_standard_iv_candidates and parameterizing it by type size.
3600         (add_standard_iv_candidates): Use add_standard_iv_candidates_for_size.
3601
3602 2004-04-04  Richard Sandiford  <rsandifo@redhat.com>
3603
3604         * system.h (GCOV_SIZE_TYPE): Unposion.
3605         * gcov-io.h (GCOV_TYPE_NODE): Delete, replacing with...
3606         (GCOV_TYPE_SIZE): ...this new macro.
3607         * coverage.h (get_gcov_type, GCOV_TYPE_NODE): Declare.
3608         * coverage.c (get_gcov_type, get_gcov_unsigned_t): New functions.
3609         (rtl_coverage_counter_ref): Use GCOV_TYPE_SIZE.
3610         (build_fn_info_type, build_fn_info_value, build_ctr_info_type)
3611         (build_ctr_info_value, build_gcov_info): Use get_gcov_unsigned_t
3612         instead of unsigned_intSI_type_node.
3613         * rtl-profile.c (rtl_gen_interval_profiler, rtl_gen_pow2_profiler)
3614         (rtl_gen_one_value_profiler_no_edge_manipulation)
3615         (rtl_gen_const_delta_profiler): Use GCOV_TYPE_SIZE.
3616         * value-prof.c: Include coverage.h.
3617
3618 2005-04-02  Daniel Berlin  <dberlin@dberlin.org>
3619             Diego Novillo <dnovillo@redhat.com>
3620
3621         Fix PR tree-optimization/20703
3622         Fix PR tree-optimization/20725
3623
3624         * tree-ssa-pre.c (phi_translate): Handle tcc_comparison.
3625         (create_expression_by_pieces): Ditto.
3626         (valid_in_set): Ditto. Also handle tcc_declaration.
3627         (find_or_generate_expression): Handle comparison class.
3628         (insert_into_preds_of_block): Ditto.
3629         (insert_aux): Ditto.
3630         (create_value_expr_from): Handle comparison class, recursively
3631         handle reference nodes.
3632         (compute_avail): Handle comparison classes, rewrite a little cleaner.
3633         (execute_pre): Fix spacing.
3634         (do_fre): Renamed to execute_fre.
3635
3636 2005-04-04  Eric Botcazou  <ebotcazou@libertysurf.fr>
3637
3638         * doc/invoke.texi (SPARC options): Document that
3639         -mlittle-endian is not supported on Linux either.
3640
3641 2005-04-04  Eric Botcazou  <ebotcazou@libertysurf.fr>
3642
3643         PR target/4198
3644         PR target/12027
3645         * config.gcc (Obsolete configurations): Remove
3646         sparclite-*-coff*, sparclite-*-elf* and sparc86x-*-elf*.
3647         (sparclite-*-coff*): Delete.
3648         (sparclite-*-elf*): Likewise.
3649         (sparc86x-*-elf*): Likewise.
3650         (target_cpu_default) <sparc*-*-*>: Remove sparc86x.
3651         * config/sparc/lite.h: Delete.
3652         * config/sparc/litecoff.h: Likewise.
3653         * config/sparc/liteelf.h: Likewise.
3654         * config/sparc/sp86x-elf.h: Likewise.
3655         * config/sparc/t-sparclite: Likewise.
3656         * config/sparc/t-sp86x: Likewise.
3657
3658 2005-04-04  Adrian Straetling  <straetling@de.ibm.com>
3659
3660         * config/s390/s390-protos.h: (s390_comparison,
3661         s390_alc_comparison, s390_slb_comparison, const0_operand,
3662         consttable_operand, larl_operand, s_operand,
3663         shift_count_operand, bras_sym_operand, load_multiple_operation,
3664         store_multiple_operation, s390_plus_operand): Remove prototypes.
3665         (s390_legitimate_address_without_index_p): New prototype.
3666         * config/s390/s390.c: (SYMBOL_FLAG_ALIGN1, DISP_IN_RANGE): Move
3667         to s390.h.
3668         (s390_comparison, s390_alc_comparison, s390_slb_comparison,
3669         const0_operand, consttable_operand, larl_operand, s_operand,
3670         shift_count_operand, bras_sym_operand, load_multiple_operation,
3671         store_multiple_operation, s390_plus_operand): Move to
3672         predicates.md.
3673         (check_mode): Remove.
3674         (s390_branch_condition_mask): Remove 'static'. Move prototype to
3675         s390-protos.h.
3676         (s390_legitimate_address_without_index_p): New.
3677         * config/s390/s390.h (PREDICATE_CODES): Remove.
3678         * config/s390/s390.md: Include predicates.md.
3679         * config/s390/predicates.md: New.
3680
3681 2005-04-04  Eric Botcazou  <ebotcazou@libertysurf.fr>
3682
3683         PR target/20446
3684         * config/sparc/sparc.h (NEED_INDICATE_EXEC_STACK): Define to 0.
3685         * config/sparc/linux.h (TARGET_ASM_FILE_END): Delete.
3686         (NEED_INDICATE_EXEC_STACK): Define to 1.
3687         * config/sparc/linux64.h (TARGET_ASM_FILE_END): Delete.
3688         (NEED_INDICATE_EXEC_STACK): Define to 1.
3689         * config/sparc/sparc.c (TARGET_ASM_FILE_END): Set to sparc_file_end.
3690         (add_pc_to_pic_symbol): Rename into pic_helper_symbol.
3691         (add_pc_to_pic_symbol_name): Rename into pic_helper_symbol_name.
3692         (pic_helper_emitted_p): New global.
3693         (emit_pic_helper): New function extracted from...
3694         (load_pic_register): ...here.  Add 'delay_pic_helper' parameter.
3695         Do not call emit_pic_helper if delay_pic_helper is true.
3696         (sparc_expand_prologue): Pass 'false' to load_pic_register.
3697         (sparc_output_mi_thunk): Pass 'true' to load_pic_register.
3698         (sparc_file_end): New function.
3699
3700 2005-04-04  Kazu Hirata  <kazu@cs.umass.edu>
3701
3702         * config/mcore/mcore-protos.h: Remove the prototypes for
3703         mcore_arith_reg_operand, mcore_general_movsrc_operand,
3704         mcore_general_movdst_operand, mcore_reload_operand,
3705         mcore_arith_J_operand, mcore_arith_K_operand,
3706         mcore_arith_K_operand_not_0, mcore_arith_M_operand,
3707         mcore_arith_K_S_operand, mcore_arith_imm_operand,
3708         mcore_arith_any_imm_operand, mcore_arith_O_operand,
3709         mcore_literal_K_operand, mcore_addsub_operand,
3710         mcore_compare_operand, mcore_load_multiple_operation,
3711         mcore_store_multiple_operation, mcore_call_address_operand.
3712         Add a prototype for const_ok_for_mcore.
3713         * config/mcore/mcore.c (mcore_call_address_operand,
3714         mcore_general_movsrc_operand, mcore_general_movdst_operand,
3715         mcore_arith_reg_operand, mcore_reload_operand,
3716         mcore_arith_J_operand, mcore_arith_K_operand,
3717         mcore_arith_K_operand_not_0, mcore_arith_K_S_operand,
3718         mcore_arith_M_operand, mcore_arith_imm_operand,
3719         mcore_arith_any_imm_operand, mcore_arith_O_operand,
3720         mcore_literal_K_operand, mcore_addsub_operand,
3721         mcore_compare_operand, mcore_load_multiple_operation,
3722         mcore_store_multiple_operation): Move to predicates.md.
3723         (const_ok_for_mcore): Export.
3724         * config/mcore/mcore.h (PREDICATE_CODES): Remove.
3725         * config/mcore/mcore.md: Include predicates.md.
3726         * config/mcore/predicates.md: New.
3727
3728         * config/mcore/predicates.md: Fix a comment typo.
3729
3730 2005-04-04  Andreas Krebbel  <krebbel1@de.ibm.com>
3731             Adrian Straetling  <straetling@de.ibm.com>
3732
3733         * config/s390/2064.md ("z_mul", "z_inf"): New insn reservations.
3734         * config/s390/2084.md ("x_mul_hi", "x_mul_sidi", "x_div"): Likewise.
3735         * config/s390/s390.md ("imulhi", "imulsi", "imuldi"): Added to "type"
3736         attribute.
3737         ("imul"): Removed from "type" attribute.
3738         ("*muldi3_sign", "muldi3"): Changed type to imuldi.
3739         ("mulsi3/1", "mulsi3/3", "mulsi/4", "mulsidi3", "umulsidi3"):
3740         Changed type to imulsi.
3741         ("*mulsi3_sign", "mulsi3/2"): Changed type to imulhi.
3742
3743 2005-04-04  Richard Sandiford  <rsandifo@redhat.com>
3744
3745         * config/mcore/mcore.h (target_flags, HARDLIT_BIT, ALIGN8_BIT, DIV_BIT)
3746         (RELAX_IMM_BIT, W_FIELD_BIT, OVERALIGN_FUNC_BIT, CGDATA_BIT)
3747         (SLOW_BYTES_BIT, LITTLE_END_BIT, M340_BIT, TARGET_HARDLIT)
3748         (TARGET_DIV, TARGET_RELAX_IMM, TARGET_W_FIELD, TARGET_OVERALIGN_FUNC)
3749         (TARGET_CG_DATA, TARGET_SLOW_BYTES, TARGET_LITTLE_END, TARGET_M340)
3750         (TARGET_SWITCHES, mcore_stack_increment_string)
3751         (TARGET_OPTIONS): Delete.
3752         (TARGET_DEFAULT, OPTIMIZATION_OPTIONS): Use MASK_* constants rather
3753         than *_BIT constants.
3754         (TARGET_8ALIGN): #undef old definition before redefining to 1.
3755         * config/mcore/mcore.c (mcore_stack_increment_string): Delete.
3756         (TARGET_DEFAULT_TARGET_FLAGS): Override default to TARGET_DEFAULT.
3757         (mcore_override_options): Delete mcore_stack_increment code.
3758         Change use of M340_BIT to MASK_M340.
3759         * config/mcore/mcore.opt: New file.
3760
3761 2005-04-04  Ian Lance Taylor  <ian@airs.com>
3762
3763         * config/arm/arm.c (replace_symbols_in_block): Remove static
3764         function.
3765
3766 2005-04-04  Kazu Hirata  <kazu@cs.umass.edu>
3767
3768         * config/fr30/fr30-protos.h: Remove the prototypes for
3769         stack_add_operand, add_immediate_operand,
3770         high_register_operand, low_register_operand, call_operand,
3771         di_operand, and nonimmediate_di_operand.
3772         * config/fr30/fr30.c (stack_add_operand,
3773         add_immediate_operand, high_register_operand,
3774         low_register_operand, call_operand, di_operand,
3775         nonimmediate_di_operand): Move to predicates.md.
3776         * config/fr30/fr30.h (PREDICATE_CODES): Remove.
3777         * config/fr30/fr30.md: Include predicates.md.
3778         * config/fr30/predicates.md: New.
3779
3780         * config/mcore/mcore.h (PREDICATE_CODES): Add SYMBOL_REF and
3781         LABEL_REF to mcore_general_movsrc_operand.  Add SYMBOL_REF to
3782         mcore_call_address_operand.
3783
3784         * config/sh/sh.h (PREDICATE_CODES): Add CONST to
3785         general_movsrc_operand.
3786
3787 2005-04-04  Alan Modra  <amodra@bigpond.net.au>
3788
3789         * passes.c (rest_of_handle_final): NULL unlikely_text_section_name
3790         after freeing.
3791
3792 2005-04-04  Richard Earnshaw  <richard.earnshaw@arm.com>
3793
3794         PR target/14812
3795         * arm.c (arm_select_cc_mode): Return CC_Zmode when comparing against
3796         a negated value.
3797
3798 2005-04-04  Richard Henderson  <rth@redhat.com>
3799             Jakub Jelinek  <jakub@redhat.com>
3800
3801         PR rtl-optimization/16104
3802         * fold-const.c (fold_unary): Fix folding of vector conversions.
3803
3804 2005-04-04  Richard Sandiford  <rsandifo@redhat.com>
3805
3806         * config.gcc (xstormy16-*-elf): Set extra_options.
3807         * config/stormy16/stormy16.h (target_flags, TARGET_SWITCHES): Delete.
3808         * config/stormy16/stormy16.opt: New file.
3809
3810 2005-04-04  Richard Sandiford  <rsandifo@redhat.com>
3811
3812         * config/pdp11/pdp11.h (target_flags, TARGET_SWITCHES, TARGET_DEFAULT)
3813         (TARGET_FPU, TARGET_SOFT_FLOAT, TARGET_AC0, TARGET_NO_AC0, TARGET_45)
3814         (TARGET_BCOPY_BUILTIN, TARGET_INT16, TARGET_INT32, TARGET_FLOAT32)
3815         (TARGET_FLOAT64, TARGET_ABSHI_BUILTIN, TARGET_BRANCH_EXPENSIVE)
3816         (TARGET_BRANCH_CHEAP, TARGET_SPLIT, TARGET_NOSPLIT)
3817         (TARGET_UNIX_ASM): Delete.
3818         (TARGET_40_PLUS): Redefine in terms of TARGET_40 and TARGET_45.
3819         * config/pdp11/2bsd.h (TARGET_UNIX_ASM_DEFAULT): Use MASK_UNIX_ASM.
3820         * config/pdp11/pdp11.c (pdp11_handle_option): New function.
3821         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
3822         * config/pdp11/pdp11.opt: New file.
3823
3824 2005-04-03  Roger Sayle  <roger@eyesopen.com>
3825             Alexandre Oliva  <aoliva@redhat.com>
3826
3827         PR c++/19199
3828         * fold-const.c (non_lvalue): Split tests into...
3829         (maybe_lvalue_p): New function.
3830         (fold_cond_expr_with_comparison): Preserve lvalue-ness for the
3831         C++ front-end prior to lowering into gimple form.
3832
3833 2005-04-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3834
3835         * builtins.def (BUILT_IN_STPNCPY, BUILT_IN_STRCASECMP,
3836         BUILT_IN_STRNCASECMP): New.
3837         * doc/extend.texi: Document stpncpy, strcasecmp, strncasecmp
3838         and strndup.
3839
3840 2005-04-03  Richard Earnshaw  <richard.earnshaw@arm.com>
3841
3842         PR target/14812
3843         * arm.md (addsi3_compare0_for_combiner): Delete.
3844         (addsi3_compare0_scratch_for_combiner): Delete.
3845         (cmpsi_neg_shiftsi): Delete.
3846         (compare_negsi_si): New pattern.
3847         (cmpsi_negshiftsi_si): New pattern.
3848         (negated_cbranchsi4): Restrict to equality_operator.
3849
3850         * arm.md (movhi_insn_arch4): delete trailing white space from assembler
3851         template.
3852
3853 2005-04-03  Kazu Hirata  <kazu@cs.umass.edu>
3854
3855         * cfghooks.c, cfgrtl.c, modulo-sched.c, config/i386/winnt.c:
3856         Fix comment typos.
3857
3858         * doc/install.texi: Fix a typo.
3859
3860 2005-04-03  Steven Bosscher  <stevenb@suse.de>
3861
3862         PR middle-end/20648
3863         * bb-reorder.c (duplicate_computed_gotos): Do not unfactor
3864         a computed goto if the edge to the computed goto block has
3865         incoming abnormal edges.  Clarify how the function works.
3866
3867 2005-04-03  Nathan Sidwell  <nathan@codesourcery.com>
3868
3869         * params.c (set_param_value): Use gcc_assert & gcc_unreachable.
3870         * passes.c (open_dump_file, rest_of_handle_final): Likewise.
3871         * postreload-gcse.c (expr_equiv_p, oprs_unchanged_p,
3872         hash_scan_set, reg_set_between_after_reload_p,
3873         reg_used_between_after_reload_p, get_avail_load_store_reg,
3874         eliminate_partially_redundant_load): Likewise.
3875         * postreload.c (reload_cse_simplify_set,
3876         reload_combine_note_use): Likewise.
3877         * predict.c (predict_insn, expected_value_to_br_prob,
3878         propagate_freq, expensive_function_p): Likewise.
3879         * print-rtl.c (print_rtx): Likewise.
3880         * profile.c (instrument_edges, instrument_values,
3881         compute_branch_probabilities, branch_prob, union_groups,
3882         tree_register_profile_hooks, rtl_register_profile_hooks): Likewise.
3883         * protoize.c (in_system_include_dir, file_could_be_converted,
3884         file_normally_convertible, gen_aux_info_file, seek_to_line,
3885         do_cleaning): Likewise.
3886         * tree-ssa-alias.c (collect_points_to_info_r): Likewise.
3887         * tree-ssa-ccp.c (execute_fold_all_builtins): Likewise.
3888         * tree-ssa-loop-ivopts.c (produce_memory_decl_rtl): Likewise.
3889
3890 2005-04-03 Mostafa Hagog <mustafa@il.ibm.com>
3891
3892         * cfg.c (clear_bb_flags): Don't clear BB_DISABLE_SCHEDULE.
3893         * modulo-sched.c (undo_replace_buff_elem): New structure.
3894         (kernel_number_of_cycles, ps_unschedule_node,
3895         undo_generate_reg_moves,free_undo_replace_buff,
3896         undo_permute_partial_schedule,  loop_single_full_bb_p,
3897         SIMPLE_SMS_LOOP_P, loop_canon_p, canon_loop,
3898         build_loops_structure, get_sched_window): New.
3899         (generate_reg_moves): Return undo_replace_buff_elem and other
3900         fixes.
3901         (generate_prolog_epilog): Remove old loop versioning.
3902         (sms_schedule): Use loop information and loop_version.
3903         (sms_schedule_by_order): Split part of it to get_sched_window.
3904         * passes.c (rest_of_handle_sms): call cfg_layout_initialize
3905         cfg_layout_finalize and free_dominance_info before/after SMS.
3906
3907 2005-04-03 Mostafa Hagog <mustafa@il.ibm.com>
3908
3909         * cfghooks.c (lv_flush_pending_stmts,
3910         cfg_hook_duplicate_loop_to_header_edge, extract_cond_bb_edges,
3911         lv_adjust_loop_header_phi, lv_add_condition_to_bb): New.
3912         * cfghooks.h (cfg_hook_duplicate_loop_to_header_edge,
3913         lv_add_condition_to_bb,
3914         lv_adjust_loop_header_phi, extract_cond_bb_edges,
3915         flush_pending_stmts): New in cfg_hooks structure.
3916         (cfg_hook_duplicate_loop_to_header_edge, lv_flush_pending_stmts,
3917         extract_cond_bb_edges, lv_adjust_loop_header_phi,
3918         lv_add_condition_to_bb): New declarations.
3919         * cfgloop.h (duplicate_loop_to_header_edge): Change return type to
3920         bool.
3921         (loop_version): Declare.
3922         * cfgloopmanip.c (cfghooks.h): Include.
3923         (duplicate_loop_to_header_edge): Change return type to bool.
3924         (loop_version, lv_adjust_loop_entry_edge): Move here.
3925         * cfgrtl.c (cfgloop.h): Include.
3926         (rtl_verify_flow_info_1): Fix.
3927         (rtl_lv_add_condition_to_bb, rtl_extract_cond_bb_edges): New.
3928         (rtl_cfg_hooks, cfg_layout_rtl_cfg_hook): Add hooks to
3929         initialization.
3930         * tree-cfg.c (tree_lv_adjust_loop_header_phi,
3931         tree_lv_add_condition_to_bb): New.
3932         (tree_cfg_hooks): Add new hooks to initialization.
3933         * tree-ssa-loop-manip.c (lv_adjust_loop_header_phi,
3934         lv_adjust_loop_entry_edge, tree_ssa_loop_version): Remove.
3935
3936 2005-04-03  Kazu Hirata  <kazu@cs.umass.edu>
3937
3938         * config/stormy16/stormy16.h (PREDICATE_CODES): Add SUBREG to
3939         xstormy16_below100_or_register,
3940         xstormy16_splittable_below100_or_register, and
3941         nonimmediate_nonstack_operand.
3942
3943         * config/stormy16/stormy16-protos.h: Remove the prototypes for
3944         xstormy16_ineqsi_operator, equality_operator,
3945         inequality_operator, shift_operator,
3946         xstormy16_below100_operand, xstormy16_below100_or_register,
3947         xstormy16_splittable_below100_or_register,
3948         xstormy16_onebit_set_operand, xstormy16_onebit_clr_operand.
3949         * config/stormy16/stormy16.c (xstormy16_ineqsi_operator,
3950         equality_operator, inequality_operator,
3951         xstormy16_below100_operand, xstormy16_below100_or_register,
3952         xstormy16_splittable_below100_or_register,
3953         xstormy16_onebit_set_operand, xstormy16_onebit_clr_operand,
3954         nonimmediate_nonstack_operand, shift_operator): Move to
3955         predicates.md.
3956         * config/stormy16/stormy16.h (PREDICATE_CODES): Remove.
3957         * config/stormy16/stormy16.md: Include predicates.md.
3958         * config/stormy16/predicates.md: New.
3959
3960 2005-04-02  Kazu Hirata  <kazu@cs.umass.edu>
3961
3962         * config/iq2000/iq2000.c (uns_arith_operand, arith_operand,
3963         small_int, large_int, reg_or_0_operand, simple_memory_operand,
3964         equality_op, cmp_op, pc_or_label_operand, call_insn_operand,
3965         move_operand, power_of_2_operand): Move to predicates.md.
3966         * config/iq2000/iq2000.h (SPECIAL_MODE_PREDICATES,
3967         PREDICATE_CODE): Remove.
3968         * config/iq2000/iq2000.md: Include predicates.md.
3969         * config/iq2000/predicates.md: New.
3970
3971 2005-04-02  Richard Sandiford  <rsandifo@redhat.com>
3972
3973         * config/m68hc11/m68hc11.h (target_flags, MASK_SHORT)
3974         (MASK_AUTO_INC_DEC, MASK_M6811, MASK_M6812, MASK_M68S12)
3975         (MASK_NO_DIRECT_MODE, MASK_MIN_MAX, MASK_LONG_CALLS)
3976         (TARGET_SHORT, TARGET_M6811, TARGET_M6812, TARGET_M68S12)
3977         (TARGET_AUTO_INC_DEC, TARGET_MIN_MAX, TARGET_NO_DIRECT_MODE)
3978         (TARGET_LONG_CALLS, TARGET_SWITCHES, TARGET_OPTIONS)
3979         (SUBTARGET_SWITCHES, SUBTARGET_OPTIONS, m68hc11_regparm_string)
3980         (m68hc11_reg_alloc_order, m68hc11_soft_reg_count)
3981         (TARGET_M68HC11): Delete.
3982         (TARGET_DEFAULT): Change the default setting from MASK_M6811 to 0.
3983         * config/m68hc11/m68hc12.h (TARGET_M68HC12): Delete.
3984         * config/m68hc11/m68hc11.c (m68hc11_regparm_string)
3985         (m68hc11_reg_alloc_order, m68hc11_soft_reg_count)
3986         (nb_soft_regs): Delete.
3987         (TARGET_DEFAULT_TARGET_FLAGS): Override default with TARGET_DEFAULT.
3988         (m68hc11_override_options): Remove the code that caters for MASK_M6811
3989         and MASK_M6812 being set simultaneously.  Change the code that sets
3990         the default m68hc11_soft_reg_count to use integers instead of strings.
3991         (m68hc11_conditional_register_usage, hard_regno_mode_ok): Use
3992         m68hc11_soft_reg_count (which now has an int type) as the number
3993         of soft registers.
3994         * config/m68hc11/m68hc11.opt: New file.
3995
3996 2005-04-02  Kazu Hirata  <kazu@cs.umass.edu>
3997
3998         * config/fr30/fr30.h (PREDICATE_CODES): Remove
3999         fp_displacement_operand, sp_displacement_operand.
4000
4001         * config/m68hc11/m68hc11-protos.h: Add a prototype for
4002         m68hcc_auto_inc_p.
4003         Remove the prototypes for tst_operand, cmp_operand,
4004         stack_register_operand, d_register_operand,
4005         hard_addr_reg_operand, splitable_operand,
4006         m68hc11_logical_operator, m68hc11_arith_operator,
4007         m68hc11_non_shift_operator, m68hc11_shift_operator,
4008         m68hc11_unary_operator, m68hc11_eq_compare_operator,
4009         non_push_operand, hard_reg_operand, and
4010         reg_or_some_mem_operand.
4011         * config/m68hc11/m68hc11.c (m68hcc_auto_inc_p): Make it
4012         extern.
4013         (tst_operand, cmp_operand, non_push_operand,
4014         splitable_operand, reg_or_some_mem_operand,
4015         stack_register_operand, d_register_operand,
4016         hard_addr_reg_operand, hard_reg_operand,
4017         m68hc11_eq_compare_operator, m68hc11_logical_operator,
4018         m68hc11_arith_operator, m68hc11_non_shift_operator,
4019         m68hc11_shift_operator, m68hc11_unary_operator): Move to
4020         predicates.md.
4021         * config/m68hc11/m68hc11.h (PREDICATE_CODES): Remove.
4022         * config/m68hc11/m68hc11.md: Include predicates.md.
4023         * config/m68hc11/predicates.md: New.
4024
4025 2005-04-02  Alexandre Oliva  <aoliva@redhat.com>
4026
4027         PR debug/19345
4028         * dwarf2out.c (add_abstract_origin_attribute): Revert accidental
4029         change checked in along with 2005-03-03's patch for debug/20253.
4030         * tree-inline.c (remap_type): Remap TYPE_STUB_DECL.
4031         (remap_decl): Insert type decl in map earlier.
4032
4033 2005-04-02  Alexandre Oliva  <aoliva@redhat.com>
4034
4035         PR tree-optimization/20640
4036         * tree-ssa-dce.c (remove_dead_stmt): Don't redirect edge to
4037         post-dominator if it has phi nodes.
4038         (eliminate_unnecessary_stmts): Remove dead phis in all blocks
4039         before dead statements.
4040
4041 2005-04-02  Alexandre Oliva  <aoliva@redhat.com>
4042
4043         PR middle-end/20491
4044         * final.c (alter_subreg): Don't call subreg_regno for a non-REG.
4045
4046 2005-04-02  Alexandre Oliva  <aoliva@redhat.com>
4047
4048         PR rtl-optimization/20290
4049         * loop.c (for_each_insn_in_loop): Don't assume the loop body runs
4050         in every iteration if the entry point is the exit test.
4051
4052 2005-04-02  Hans-Peter Nilsson  <hp@axis.com>
4053
4054         * config/cris/cris.md (attribute "length"): Define.
4055
4056 2005-04-02  Geoffrey Keating  <geoffk@apple.com>
4057
4058         * config/rs6000/predicates.md (indexed_or_indirect_operand): New.
4059         (word_offset_memref_operand): New.
4060         * config/rs6000/rs6000-protos.h (word_offset_memref_operand): Delete.
4061         (indexed_or_indirect_operand): Delete.
4062         * config/rs6000/rs6000.c (word_offset_memref_operand): Delete.
4063         (indexed_or_indirect_operand): Delete.
4064
4065         * config/rs6000/t-darwin8: Comment out ppc64 multilib.
4066
4067         PR 20650
4068         * config/rs6000/rs6000.md (fix_truncdfsi2): Make destination
4069         a register.
4070
4071         * config/rs6000/t-darwin (TARGET_LIBGCC2_CFLAGS): Add -pipe.
4072         * config/t-darwin (TARGET_LIBGCC2_CFLAGS): Likewise.
4073
4074 2005-04-01  Jan-Benedict Glaw  <jbglaw@lug-owl.de>
4075
4076         * gcc/config/vax/vax.md: Spellcheck, fix whitespace.
4077
4078 2005-04-01  Ian Lance Taylor  <ian@airs.com>
4079
4080         * gcc.c: Don't include <sys/resource.h> or declare getrusage.
4081         (rus, prus): Remove static variables.
4082         (execute): Use pex_run/pex_get_status rather than pexecute/pwait.
4083         (process_command): Permit report_times and use_pipes together.
4084
4085 2005-04-01  Joseph S. Myers  <joseph@codesourcery.com>
4086
4087         * c-decl.c (validate_proto_after_old_defn): Look at
4088         TYPE_MAIN_VARIANT of argument types.
4089
4090 2005-04-01  Paul Brook  <paul@codesourcery.com>
4091
4092         * config/arm/arm.c (thumb_call_via_label): Include space for SP.
4093         (arm_output_function_epilogue): Allow call_via_SP.
4094         (thumb_call_via_reg, arm_file_end): Ditto.
4095         * config/arm/arm.h (struct machine_function): Include space for SP.
4096         (thumb_call_via_label): Update declaration.
4097
4098 2005-04-01  Ian Lance Taylor  <ian@airs.com>
4099
4100         * final.c (final_scan_insn): Revert part of 2005-03-30 patch: when
4101         doing a peephole optimization, once again put any notes in the
4102         proper position.
4103
4104 2005-04-01  Kazu Hirata  <kazu@cs.umass.edu>
4105
4106         * bb-reorder.c, fold-const.c, varasm.c: Fix comment typos.
4107
4108 2005-04-01  Nathan Sidwell  <nathan@codesourcery.com>
4109
4110         * local-alloc.c (update_equiv_regs): Use gcc_assert, gcc_unreachable.
4111         (block_alloc, find_free_reg): Likewise.
4112         * loop-doloop.c (doloop_modify): Likewise.
4113         * loop-invariant.c (record_use): Likewise.
4114         * loop-iv.c (get_biv_step_1, get_biv_step, iv_analyze,
4115         get_iv_value, canon_condition, eliminate_implied_condition,
4116         eliminate_implied_condition, simplify_using_initial_values,
4117         shorten_into_mode, canonicalize_iv_subregs,
4118         iv_number_of_iterations): Likewise.
4119         * loop-unroll.c (expand_var_during_unrolling): Likewise.
4120         * loop-unswitch.c (compare_and_jump_seq, unswitch_single_loop,
4121         unswitch_loop): Likewise.
4122         * loop.c (INSN_LUID, loop_optimize, rtx_equal_for_loop_p,
4123         move_movables, replace_call_address, find_and_verify_loops,
4124         rtx_equal_for_prefetch_p, fold_rtx_mult_add, loop_iterations,
4125         record_giv, final_giv_value, general_induction_var,
4126         simplify_giv_expr, extension_within_bounds_p, try_copy_prop,
4127         loop_giv_dump): Likewise.
4128
4129         * gcov-io.h (GCOV_CHECK, GCOV_CHECK_READING,
4130         GCOV_CHECK_WRITING): Remove.
4131         (gcov_position, gcov_rewrite): Use gcc_assert.
4132         * gcov-io.c (gcov_open, gcov_write_words, gcov_write_length,
4133         gcov_read_words, gcov_sync, gcov_seek): Use gcc_assert.
4134         * libgcov.c (__gcov_merge_single, __gcov_merge_delta): Use
4135         gcc_assert.
4136
4137 2005-04-01  Kazu Hirata  <kazu@cs.umass.edu>
4138
4139         * tree-inline.c: Fix a typo.
4140
4141 2005-04-01  Nathan Sidwell  <nathan@codesourcery.com>
4142
4143         * configure.ac (enable-checking): Explicitly set all variables for
4144         collective switch values.  Alphabetize variables. Rename
4145         ac_checking_valgrind to ac_valgrind_checking.  Allow 'none' as
4146         synonym for 'no'.
4147         * doc/install.texi (enable-checking): Update documentation.
4148         * configure: Rebuilt.
4149
4150 2005-04-01  Kazu Hirata  <kazu@cs.umass.edu>
4151
4152         * tree-inline.c (copy_body_r): Use CONSTANT_CLASS_P where
4153         possible.
4154
4155 2005-04-01  Richard Earnshaw  <richard.earnshaw@arm.com>
4156
4157         * arm.c (adjacent_mem_locations): Reject volatile memory refs.
4158         Also reject cases where this pattern will cause load delay stalls
4159         unless optimizing for size and it will produce a shorter sequence.
4160         * arm.md (arith_adjacent_mem): Make better use of ldm addressing
4161         variants to avoid pre-adjusting the base when possible.
4162
4163 2005-04-01  Richard Earnshaw  <richard.earnshaw@arm.com>
4164
4165         * arm.md (minmax_arithsi): Reject all eliminable registers, not just
4166         the frame and argument pointers.
4167         (strqi_preinc, strqi_predec, loadqi_preinc, loadqi_predec): Likewise.
4168         (loadqisi_preinc, loadqisi_predec, strsi_preinc): Likewise.
4169         (strsi_predec, loadsi_preinc, loadsi_predec): Likewise.
4170         (strqi_shiftpreinc, strqi_shiftpredec, loadqi_shiftpreinc): Likewise.
4171         (loadqi_shiftpredec, strsi_shiftpreinc, strsi_shiftpredec): Likewise.
4172         (loadsi_shiftpreinc, loadsi_shiftpredec): Likewise.
4173
4174 2005-04-01  Danny Smith  <dannysmith@users.sourceforge.net>
4175
4176         * config/i386/cygming.h (SUBTARGET_ATTRIBUTE_TABLE): Define,
4177         with entry for selectany attribute.
4178         * config/i386/i386-protos.h (ix86_handle_selectany_attribute):
4179         Declare.
4180         * config/i386/winnt.c (ix86_handle_selectany_attribute): Define.
4181         (i386_pe_asm_named_section): Handle sections generated by
4182         selectany attribute.
4183         * doc/extend.texi (selectany): Document attribute.
4184
4185 2005-04-01  Paolo Bonzini  <bonzini@gnu.org>
4186             Jan Hubicka  <jh@suse.cz>
4187
4188         * config/i386/i386.c (ix86_decompose_address): Look inside SUBREGs
4189         to fix addresses involving EBP and ESP.
4190         (aligned_operand, legitimate_address_p, ix86_address_cost): Be prepared
4191         for SUBREGed registers.
4192         (legitimate_address_p): Accept SUBREGed registers.
4193
4194 2005-04-01  Jakub Jelinek  <jakub@redhat.com>
4195
4196         PR c++/19406
4197         * dwarf2out.c (gen_type_die_for_member): Handle FIELD_DECL.
4198         (dwarf2out_imported_module_or_decl): Use gen_type_die_for_member
4199         for FIELD_DECLs.
4200
4201 2005-04-01  Kazu Hirata  <kazu@cs.umass.edu>
4202
4203         * doc/contrib.texi, doc/invoke.texi, doc/tm.texi: Fix typos.
4204
4205 2005-04-01  James E Wilson  <wilson@specifixinc.com>
4206
4207         PR c++/20505
4208         * dwarf2out.c (rtl_for_decl_init): New function.
4209         (rtl_for_decl_location): Extracted from here.
4210         (tree_add_const_value_attribute): Call rtl_for_decl_init and
4211         add_const_value_attribute.  Delete initializer_constant_valid_p call.
4212
4213 2005-04-01  Kazu Hirata  <kazu@cs.umass.edu>
4214
4215         * cgraphunit.c, dbxout.c, flow.c, gcse.c, gimplify.c,
4216         lambda-code.c, loop.c, machmode.def, mips-tfile.c,
4217         modulo-sched.c, passes.c, postreload-gcse.c, tree-eh.c,
4218         tree-ssa-ccp.c, varasm.c, config/frv/frv.c, config/frv/frv.h,
4219         config/frv/frv.md, config/i386/i386.c, config/i386/i386.h,
4220         config/i386/i386.md, config/rs6000/predicates.md,
4221         config/rs6000/rs6000.c, config/s390/fixdfdi.h,
4222         config/s390/s390.c, config/stormy16/stormy16.c,
4223         config/stormy16/stormy16.md, config/vax/vax.md: Fix comment
4224         typos.
4225
4226 2005-04-01  Joseph S. Myers  <joseph@codesourcery.com>
4227
4228         PR c/17855
4229         * gimplify.c (gimplify_expr): Create a temporary for lvalue
4230         COND_EXPR and CALL_EXPR.
4231
4232 2005-03-31  Vladimir Makarov  <vmakarov@redhat.com>
4233
4234         PR target/20632
4235         * genautomata.c (first_cycle_unit_presence): Check all alternative
4236         states for unit presence.
4237
4238         * doc/md.texi: Remove remark about impossibility to query unit
4239         presence in non nondeterministic automaton state.
4240
4241         * config/ia64/ia64.c (get_template): Change order of unit querying.
4242
4243 2005-03-31  Kazu Hirata  <kazu@cs.umass.edu>
4244
4245         * tree-ssa-dom.c (cprop_into_successor_phis): Remove an
4246         obsolete comment.
4247
4248 2005-03-31  Zdenek Dvorak  <dvorakz@suse.cz>
4249
4250         * cfgloopanal.c (mark_loop_exit_edges): Clean EDGE_LOOP_EXIT
4251         flag for edges outside any loops.
4252
4253 2005-03-31  Janis Johnson  <janis187@us.ibm.com>
4254
4255         * doc/sourcebuild.texi (Test Directives): Describe cleanup-* procs.
4256
4257 2005-03-31  Kazu Hirata  <kazu@cs.umass.edu>
4258
4259         * tree-ssa-alias.c: Follow spelling conventions.
4260         * doc/tree-ssa.texi: Fix a typo.
4261
4262 2005-03-31  J"orn Rennecke <joern.rennecke@st.com>
4263
4264         * postreload-gcse.c: Include target.h.
4265         (gcse_after_reload_main): Return early if we cannot modify jumps.
4266         * Makefile.in (postreload-gcse.o): Depend on $(TARGET_H).
4267
4268 2005-03-31  David Edelsohn  <edelsohn@gnu.org>
4269
4270         * tree-ssa-loop-im.c (stmt_cost): Add RDIV_EXPR to list of
4271         expensive operations.
4272
4273 2005-03-31  Ian Lance Taylor  <ian@airs.com>
4274
4275         * collect2.c (lderrout): New variable.
4276         (collect_exit): Dump ldout to stdout.  Dump and unlink lderrout,
4277         if it is set, to stderr.
4278         (handler): Unlink lderrout if it is set.
4279         (dump_file): Add "to" parameter.  Change all callers.
4280         (main): Initialize lderrout.
4281         (collect_execute): Add errname parameter.  Change all callers.
4282         Rename redir parameter to outname.  Never pass
4283         PEX_STDERR_TO_STDOUT to pex_run.
4284         * collect2.h (collect_execute, dump_file): Update declarations.
4285         * tlink.c (tlink_execute): Add errname parameter.  Change all
4286         callers.
4287         (do_tlink): Check lderrout as well as ldout.
4288
4289 2005-03-31  Caroline Tice  <ctice@apple.com>
4290
4291         * Makefile.in (varasm.o): Add basic-block.h to list of requirements.
4292         (bb-reorder.o): Add errors.h to list of requirements.
4293         (STAGEFEEDBACK_FLAGS_TO_PASS): Add -freorder-blocks-and-partition to
4294         profiledbootstrap flags.
4295         * bb-reorder.c (errors.h): Add new include.
4296         (struct bbro_basic_block_data_def): Add new field, in_trace.
4297         (add_unlikely_executed_notes):  Remove function.
4298         (mark_bb_for_unlikely_executed_section): Remove function.
4299         (insert_section_boundary_note): New function.
4300         (verify_hot_cold_block_grouping): New function.
4301         (push_to_next_round_p): Remove variables and tests that push all
4302         cold blocks to last round.
4303         (find_traces): Remove code that added extra round of trace finding
4304         when doing partitioning.
4305         (find_traces_1_round) :  Remove variable last_round;  add code to
4306         update new struct field, in_trace; correct trace_length where it was
4307         incorrect before (after call to copy_bb); change code that pushed all
4308         cold blocks to last round. Instead verify that all blocks going into
4309         a trace belong in the same partition.
4310         (connect_traces): Modify to connect the traces in two passes, if the
4311         function contains both hot and cold blocks.  The first pass connects
4312         all the traces for blocks in the partition that the first block in
4313         the function belongs to; the second pass connnects all the traces
4314         containing blocks that belong in the other partition.
4315         (find_rarely_executed_basic_blocks_and_crossing_edges):  Remove
4316         code that automatically put the first block in a function into the
4317         hot partition if the function had any hot blocks.
4318         (fix_crossing_unconditional_branches): Check number of succ edges
4319         before attempting to get one.
4320         (fix_edges_for_rarely_executed_code):  Update comment describing
4321         function.
4322         (reorder_basic_blocks):  Add code to initialize new field (in_trace);
4323         remove call to add_unlikely_executed_notes; add call to
4324         verify_hot_cold_block_grouping.
4325         (duplicate_computed_gotos): Don't change computed goto if it's a
4326         crossing edge.
4327         (partition_hot_cold_basic_blocks):  Update function comment.
4328         * cfgcleanup.c (try_simplify_condjump): Remove redundacy from
4329         condition.
4330         (try_forward_edges): Likewise.
4331         (merge_blocks_move_predecessor_nojumps): Likewise.
4332         (merge_blocks_move_successor_nojumps): Likewise.
4333         (merge_blocks_move): Likewise.
4334         (try_crossjump_bb): Likewise.
4335         * cfglayout.c (update_unlikely_executed_notes): Remove function.
4336         (fixup_reorder_chain): Remove code for adding UNLIKELY_EXECUTED_CODE
4337         notes to cold bb's; remove call to update_unlikely_executed_notes.
4338         (duplicate_insn_chain):  change NOTE_INSN_UNLIKELY_EXECUTED_CODE to
4339         NOTE_INSN_SWITCH_TEXT_SECTIONS.
4340         * cfglayout.h (scan_ahead_for_unlikely_executed_note): Remove
4341         function declaration.
4342         * cfgrtl.c (can_delete_note_p): Remove UNLIKELY_EXECUTED_CODE note
4343         from consideration.
4344         (rtl_can_merge_blocks): Remove redundancy from condition.
4345         (try_redirect_by_replacing_jump): Likewise.
4346         (force_nonfallthru_and_redirect): Remove code for adding
4347         UNLIKELY_EXECUTED_CODE notes to cold bb's.
4348         (commit_one_edge_insertion): Likewise.
4349         (cfg_layout_can_merge_blocks_p): Remove redundancy from condition.
4350         * dbxout.c (FORCE_TEXT): Replace function_section with
4351         current_function_section.
4352         (struct dbx_debug_h): Add do_nothing function for new debug_hooks
4353         function, switch_text_section.
4354         (struct xcoff_debug): Likewise.
4355         (dbxout_function_end): Add code to put out label diffs for both
4356         hot and cold sections.
4357         * debug.c (struct do_nothing_debug_hooks): Add do_nothing function
4358         for new debug_hooks funciton, switch_text_section..
4359         * debug.h (struct gcc_debug_hooks):  Add new function to debug_hooks,
4360         switch_text_section.
4361         * dwarf2out.c (struct dw_fde_struct):  Add five new fields:
4362         dw_fde_hot_section_label, dw_fde_hot_section_end_label,
4363         dw_fde_unlikely_section_label, dw_fde_unlikely_section_end_label and
4364         dw_fde_switched_sections.
4365         (output_call_frame_info):  Add test to see if function switches text
4366         sections in the middle; if so, use appropriate extra hot and cold
4367         section labels to compute size deltas for the hot and cold sections.
4368         (dwarf2out_begin_prologue): Add code to initialize new fields in
4369         dw_fde_struct.
4370         (dwarf2out_switch_text_section): New function (invoked through
4371         debug_hook); updates new fields in dw_fde_struct appropriately and
4372         increments separate_line_info_table_in_use.
4373         (dwarf2_debug_hooks): Initialize switch_text_section function to be
4374         dwarf2out_switch_text_section.
4375         (struct var_loc_node): Add new field, section_label.
4376         (output_aranges): Add code to check whether in hot or cold section and
4377         use the appropriate label in calculating deltas.
4378         (output_ranges): Likewise.
4379         (output_line_info): Add code to check which section we're in and
4380         use appropriate hot/cold label.
4381         (add_location_or_constant_value_attribute): Likewise.
4382         (gen_subprogam_die): Modify arange attributes to use correct labels.
4383         (dwarf2out_begin_block): Change call to function_section into call to
4384         current_function_section.
4385         (dwarf2out_end_block): Likewise.
4386         (dwarf2out_source_line): Likewise.
4387         (dwarf2out_var_location): Add code to check whether in hot or cold
4388         section and use the appropriate label.
4389         * except.c (output_function_exception_table): Change call to
4390         function_section into call to current_function_section.
4391         * final.c (profile_function): Likewise.
4392         (scan_ahead_for_unlikely_executed_note): Remove function.
4393         (final_scan_insn):  Remove calls to
4394         scan_ahead_for_unlikely_executed_note, and related code for switching
4395         to cold section, except for the single time
4396         NOTE_INSN_SWITCH_TEXT_SECTIONS may be encountered;  add calls to
4397         debug_hooks->switch_text_sections; replace appropriate calls to
4398         function_section with calls to current_function_section.
4399         * ifcvt.c (find_if_case_1): Remove redundancy from condition, add
4400         test_bb to condition.
4401         (find_if_case_2): Likewise.
4402         * insn-notes.def: Change NOTE_INSN_UNLIKELY_EXECUTED_CODE to
4403         NOTE_INSN_SWITCH_TEXT_SECTIONS.  Update comment appropriately.
4404         * opts.c (decode_options): Change warning about hot/cold partitioning
4405         with exceptionss to inform (so as not to cause bootstrap failures);
4406         remove warning about partitioning with DWARF debug info.
4407         * output.h (current_function_section): Add new function decl.
4408         (insert_section_boundary_note): Likewise.
4409         (enum in_section): Move this declaration here from varasm.c.
4410         (unlikely_section_label): Likewise.
4411         (unlikely_text_section_name): Likewise.
4412         (last_text_section_name): New global variable.
4413         (last_text_section): Likewise.
4414         (hot_section_label): Likewise.
4415         (hot_section_end_label): Likewise.
4416         (cold_section_end_label): Likewise.
4417         * passes.c (rest_of_handle_final): Free unlikely_text_section_name.
4418         * print-rtl.c (print_rtx): Change NOTE_INSN_UNLIKELY_EXECUTED_CODE
4419         to NOTE_INSN_SWITCH_TEXT_SECTIONS.
4420         * reg-stack.c (emit_swap_insn): Remove UNLIKELY_EXECUTED_CODE note
4421         insn from consideration.
4422         * sdbout.c (sdb_debug_hooks): Add do_nothing for new function,
4423         switch_text_section.
4424         * varasm.c (basic-block.h): Add new include.
4425         (unlikely_section_label_printed): Remove global variable.
4426         (unlikely_section_label): Make global variable not be static any more.
4427         (unlikely_text_section_name): Likewise.
4428         (hot_section_end_label): New global variable (not static)
4429         (first_function_block_is_cold): Likewise.
4430         (hot_section_label): Likewise.
4431         (cold_section_end_label): Likewise..
4432         (last_text_section): New global variable, not static.
4433         (last_text_section_name): New global variable, not static.
4434         (initialize_cold_section_name): New function.
4435         (enum in_section): Move declaration to output.h.
4436         (text_section): Update last_text_section.
4437         (unlikely_text_section): Replace code to determine cold section name
4438         with call to initialize_cold_section_name; Add code to update
4439         last_text_section; remove code for printing out label.
4440         (named_section_real): Add code to update last_text_section and
4441         last_text_section_name as appropriate.
4442         (function_section): Change test for 'unlikely' to depend on
4443         first_function_block_is_cold (moved old test to
4444         current_function_section).
4445         (current_function_section): New function.
4446         (assemble_start_function): Move code that frees
4447         unlikely_text_section_name; initialize hot_section_end_label;
4448         print hot and cold section labels at the start of the function;
4449         set first_function_block_is_cold, if appropriate; initialize l
4450         ast_text_section; add call to insert_section_boundary_note.
4451         (assemble_end_function):  Add code to write out hot and cold section
4452         end labels.
4453         *vmsdbgout.c (vmsdbg_debug_hooks): Add do_nothing for new function,
4454         switch_text_section.
4455         * config/darwin.c (machopic_select_section): Replace incorrect
4456         function in base_funs; update reloc for cold sections if necessary.
4457         * config/darwin.h (SECTION_FUNCTION):  Add code to update
4458         last_text_section if appropriate.
4459         (text_unlikely_section): Remove.
4460         * config/sparc/sparc.c (sparc_output_deferred_case_vectors): Likewise.
4461         * config/stormy16/stormy16.c (stormy_16_output_addr_vec): Likewise.
4462         * config/xtensa/xtensa.c (override_options): Turn off hot/cold
4463         partitioning for this architecture.
4464
4465 2005-03-31  Olivier Hainque  <hainque@adacore.com>
4466
4467         * dwarf2out.c (dwarf2out_frame_finish): Honor DWARF2_FRAME_INFO
4468         defined and non-zero.
4469
4470 2005-03-31  Gabriel Dos Reis  <gdr@integrable-solutions.net>
4471
4472         PR c++/18644
4473         * doc/invoke.texi (-Wsynth): Don't document, as it now is void of
4474         semantics.
4475
4476 2005-03-31  Alan Modra  <amodra@bigpond.net.au>
4477
4478         PR target/20611
4479         * config/rs6000/rs6000.md (load_toc_v4_PIC_1b): Remove inline
4480         label operand.  Remove (use (unspec..)).  Don't emit a label on
4481         the offset word.
4482         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Don't
4483         generate inline label for load_toc_v4_PIC_1b.
4484         (rs6000_emit_load_toc_table): Likewise.
4485
4486 2005-03-31  Kazu Hirata  <kazu@cs.umass.edu>
4487
4488         * config.gcc: Obsolete i860-*-sysv4*, ip2k-*-elf,
4489         ns32k-*-netbsdelf*, and ns32k-*-netbsd*.
4490
4491 2005-03-29  Devang Patel  <dpatel@apple.com>
4492
4493         * tree-sra.c (decide_block_copy): Disable scalarization of
4494         sub-elements.
4495
4496 2005-03-30  Stuart Hastings  <stuart@apple.com>
4497             Dale Johannesen  <dalej@apple.com>
4498
4499         * Makefile.in (print-tree.o):  Depend on tree-iterator.h.
4500         * print-tree.c (print_node):  Add case STATEMENT_LIST.
4501
4502 2005-03-31  Alan Modra  <amodra@bigpond.net.au>
4503
4504         * config.gcc (cpu_is_64bit): Set for 64-bit powerpc cpus.
4505         (powerpc64-*-linux*): Use it.  Rearrange tm_file assignment.
4506         (powerpc-*-linux*): Build a biarch compiler when --enable-targets
4507         is given with "powerpc64*" or "all", or when --with-cpu chooses
4508         a 64-bit cpu.
4509
4510 2005-03-30  James E. Wilson  <wilson@specifixinc.com>
4511
4512         PR debug/20268
4513         * dwarf2out.c (add_high_low_attributes): New function, extracted from
4514         gen_lexical_block_die.
4515         (gen_lexical_block_die, gen_inlined_subroutine_die): Call it.
4516
4517 2005-03-31  Jan Hubicka  <jh@suse.cz>
4518
4519         2004-11-02  Jan Hubicka  <jh@suse.cz>
4520
4521         * cgraph.c (cgraph_varpool_node_name): New function.
4522         (dump_cgraph_varpool_node): New function.
4523         (dump_varpool): New function.
4524         * cgraphunit.c (cgraph_optimize): Dump varpool.
4525
4526         2004-10-16  Jan Hubicka  <jh@suse.cz>
4527
4528         * cgraph.c (decide_is_variable_needed): New function.
4529         (cgraph_varpool_finalize_decl): Use it.
4530         * cgraphunit.c (cgraph_optimize): Assemble_pending_decls when not doing
4531         unit-at-a-time.
4532         * final.c (output_addr_const): Do not call mark_referenced.
4533         * passes.c (rest_of_decl_compilation): ifdef out DECL_RTL_SET_P hack;
4534         always go via cgraph.
4535         * toplev.c (wrapup_global_declarations): Kill non-unit-at-a-time code.
4536         (check_global_declarations): Ifdef out code clearing DECL_RTL.
4537         * tree-optimize.c (execute_inline): Mark functions called.
4538         * i386.c (output_pic_addr_const): Do not call mark_decl_referenced.
4539
4540         2004-10-11  Jan Hubicka  <jh@suse.cz>
4541
4542         * cgraph.c (cgraph_varpool_first_unanalyzed_node): New global voriable
4543         (cgraph_varpool_last_needed_node): New static variable.
4544         (enqueue_needed_varpool_node): Break out from ...; add items to the
4545         end of queue; update first pointers.
4546         (cgraph_varpool_mark_needed_node): ... here.
4547         (cgraph_varpool_finalize_decl): Use enqueue_needed_varpool_node.
4548         (cgraph_varpool_assemble_pending_decls): Move to cgraphunit.c
4549         * cgraph.h (cgraph_varpool_node): Add analyzed field.
4550         (cgraph_varpool_first_unanalyzed_node): Declare.
4551         * cgraphunit.c: Include output.h.
4552         (cgraph_varpool_analyze_pending_decls): New function.
4553         (cgraph_varpool_assemble_pending_decls): Move from cgraph.c; bail out
4554         for errors, analyze pending decls.
4555         (cgraph_finalize_compilation_unit): Only analyze decls.
4556         (cgraph_optimize): Assemble the decls after expanding.
4557
4558 2005-03-30  Daniel Berlin  <dberlin@dberlin.org>
4559
4560         * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Make sure
4561         subvars get marked properly in tags for grouping.
4562         (add_pointed_to_var): Mark only actual pointed to
4563         variables/subvars in addresses needed.
4564         (create_overlap_variables_for): Clear call clobbered on original
4565         variable.
4566         * tree-ssa-operands.c (get_asm_expr_operands): Don't let regular
4567         addresable vars with subvars into list.
4568         * tree-ssa.c (verify_ssa_name): Verify original is not used where
4569         subvar should be.
4570
4571 2005-03-30  Richard Henderson  <rth@redhat.com>
4572
4573         * cgraph.h (struct cgraph_node): Add alias.
4574         * varasm.c (assemble_alias): Set it.
4575         * cgraphunit.c (cgraph_assemble_pending_functions): Check it and
4576         avoid calling cgraph_expand_function.
4577
4578 2005-03-30  Tom Tromey  <tromey@redhat.com>
4579
4580         * tree.def (FILE_TYPE): Removed.
4581         * typeclass.h (enum type_class): Removed file_type_class.
4582         * dwarf2out.c (is_base_type): Updated.
4583         (gen_type_die): Likewise.
4584         * dbxout.c (dbxout_type): Updated.
4585         * builtins.c (type_to_class): Updated.
4586         * tree.c (type_contains_placeholder_1): Updated.
4587         * config/sparc/sparc.c (sparc_type_code): Updated.
4588         * config/ia64/ia64.c (hfa_element_mode): Updated.
4589         * expr.c (count_type_elements): Updated.
4590         * stor-layout.c (layout_type): Updated.
4591         * tree-inline.c (remap_type): Updated.
4592         * tree-pretty-print.c (dump_generic_node): Updated.
4593
4594 2005-03-30 Fariborz Jahanian <fjahanian@apple.com>
4595
4596         * builtins.c (expand_builtin_powi): Fix mode of
4597         2nd argument to match int.
4598         * libgcc2.h (__powisf2, __powidf2, __powixf2, __powitf2): Change
4599         2nd argument type to int.
4600         * libgcc2.c: Change prototype of __powi* functions to use
4601         int.
4602
4603 2005-03-30  Dale Johannesen  <dalej@apple.com>
4604
4605         PR middle-end/19225
4606         * calls.c (expand_call):  Flush pending deferrals before
4607         throwing call.
4608
4609 2005-03-30  Joseph S. Myers  <joseph@codesourcery.com>
4610
4611         PR c/772
4612         PR c/17913
4613         * c-tree.h (C_DECL_UNJUMPABLE_STMT_EXPR,
4614         C_DECL_UNDEFINABLE_STMT_EXPR, struct c_label_list, struct
4615         c_label_context, label_context_stack): New.
4616         * c-decl.c (define_label): Check for jumps into statement
4617         expressions.  Add label to list of defined labels.
4618         (start_function): Push context on label_context_stack.
4619         (finish_function): Pop context from label_context_stack.
4620         * c-typeck.c (label_context_stack): New.
4621         (c_finish_goto_label): Check for jumps into statement
4622         expressions.  Add label to list of jumped to labels.
4623         (struct c_switch): Add blocked_stmt_expr.
4624         (c_start_case): Initialize it.
4625         (do_case): Check it.
4626         (c_finish_case): Verify !blocked_stmt_expr.
4627         (c_begin_stmt_expr):  Push context on label_context_stack.
4628         Increment blocked_stmt_expr.  Mark labels jumped to from outside
4629         as undefinable.
4630         (c_finish_stmt_expr): December blocked_stmt_expr.  Mark labels
4631         defined in the statement expression and no longer jumpable to.
4632         Mark labels jumped to from just outside the statement expression
4633         as again definable.  Pop context from label_context_stack.
4634         * doc/extend.texi (Statement Exprs): Update.
4635
4636 2005-03-30  Joseph S. Myers  <joseph@codesourcery.com>
4637
4638         PR c/20368
4639         * c-decl.c (start_function): Check for old_decl being
4640         error_mark_node.
4641
4642 2005-03-30  Ian Lance Taylor  <ian@airs.com>
4643
4644         * final.c (final): Remove prescan parameter.  Change all callers.
4645         (final_scan_insn): Remove prescan parameter.  Change all callers.
4646
4647 2005-03-30  Kazu Hirata  <kazu@cs.umass.edu>
4648
4649         * tree-vectorizer.c: Fix comment typos.
4650
4651 2005-03-30  Sebastian Pop  <pop@cri.ensmp.fr>
4652
4653         * tree-scalar-evolution.c (instantiate_parameters_1): Return
4654         as soon as a chrec_dont_know is detected.
4655
4656 2005-03-31  Danny Smith  <dannysmith@users.sourceforge.net>
4657
4658         Merge from csl-arm-branch.
4659         2004-02-12  Mark Mitchell  <mark@codesourcery.com>
4660
4661         * tlink.c (recompile_files): Do not assume that "rename" can
4662         overwrite an existing file.
4663
4664 2005-03-31  Paolo Bonzini  <bonzini@gnu.org>
4665
4666         * gcc/configure.ac (TL_AC_GNU_MAKE_GCC_LIB_PATH): Remove.
4667         * gcc/configure: Regenerate.
4668
4669 2005-03-30  Alan Modra  <amodra@bigpond.net.au>
4670
4671         * doc/install.texi: Update binutils requirement for powerpc*-linux.
4672
4673         * config/rs6000/rs6000.c (rs6000_arg_partial_bytes): Update comments.
4674
4675         * calls.c (struct arg_data): Update "partial" comment.
4676         (load_register_parameters): Update "nregs" comment.
4677
4678 2005-03-30  Richard Sandiford  <rsandifo@redhat.com>
4679
4680         * config/iq2000/iq2000.h (target_flags, MASK_GPOPT, MASK_EMBEDDED_DATA)
4681         (MASK_UNINIT_CONST_IN_RODATA, TARGET_EMBEDDED_DATA, TARGET_SWITCHES)
4682         (TARGET_DEFAULT, TARGET_CPU_DEFAULT, SUBTARGET_TARGET_OPTIONS)
4683         (TARGET_OPTIONS, iq2000_cpu_string, iq2000_arch_string): Delete.
4684         (TARGET_DEBUG_MODE, TARGET_DEBUG_A_MODE, TARGET_DEBUG_B_MODE)
4685         (TARGET_DEBUG_C_MODE, TARGET_DEBUG_D_MODE): Define to 0 rather
4686         than target_flags & 0.
4687         * config/iq2000/iq2000.c (iq2000_cpu_string, iq2000_arch_string)
4688         (iq2000_arch, iq2000_parse_cpu): Delete.
4689         (TARGET_HANDLE_OPTION): Override default.
4690         (iq2000_handle_option): New function.
4691         (override_options): Remove -march= and -mcpu= handling.
4692         * config/iq2000/iq2000.opt: New file.
4693
4694 2005-03-30  Richard Sandiford  <rsandifo@redhat.com>
4695
4696         * config/c4x/c4x-protos.h (c4x_rpts_cycles, c4x_cpu_version): Delete.
4697         * config/c4x/c4x.h (SMALL_MEMORY_FLAG, MPYI_FLAG, FAST_FIX_FLAG)
4698         (RPTS_FLAG, C3X_FLAG, TI_FLAG, PARANOID_FLAG, MEMPARM_FLAG, DEVEL_FLAG)
4699         (RPTB_FLAG, BK_FLAG, DB_FLAG, DEBUG_FLAG, HOIST_FLAG)
4700         (LOOP_UNSIGNED_FLAG, FORCE_FLAG, PRESERVE_FLOAT_FLAG)
4701         (PARALLEL_INSN_FLAG, PARALLEL_MPY_FLAG, ALIASES_FLAG, C30_FLAG)
4702         (C31_FLAG, C32_FLAG, C33_FLAG, C40_FLAG, C44_FLAG, TARGET_SWITCHES)
4703         (TARGET_DEFAULT, TARGET_SMALL, TARGET_MPYI, TARGET_FAST_FIX)
4704         (TARGET_RPTS, TARGET_TI, TARGET_PARANOID, TARGET_MEMPARM, TARGET_DEVEL)
4705         (TARGET_RPTB, TARGET_BK, TARGET_DB, TARGET_DEBUG, TARGET_HOIST)
4706         (TARGET_LOOP_UNSIGNED, TARGET_FORCE, TARGET_PRESERVE_FLOAT)
4707         (TARGET_PARALLEL, TARGET_PARALLEL_MPY, TARGET_ALIASES)
4708         (c4x_rpts_cycles_string, c4x_cpu_version_string)
4709         (TARGET_OPTIONS): Delete.
4710         (c4x_rpts_cycles, c4x_cpu_version): Declare.
4711         (TARGET_C3X, TARGET_C30, TARGET_C31, TARGET_C32, TARGET_C33)
4712         (TARGET_C40, TARGET_C44): Redefine in terms of c4x_cpu_version.
4713         * config/c4x/c4x.c (c4x_rpts_cycles_string): Delete.
4714         (c4x_cpu_version_string): Delete.
4715         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
4716         (c4x_handle_option): New function.  Map -m3x and -m4x options to the
4717         equivalent -mcpu= option.
4718         (c4x_override_options): Remove -mrpts= and -mcpu= handling from here.
4719         Deal with the extra conditions in the old TARGET_MPYI, TARGET_RPTB,
4720         TARGET_DB, TARGET_PARALLEL and TARGET_PARALLEL_MPY macros by setting
4721         or clearing the appropriate MASK_* bit.
4722         (c4x_file_start): Use c4x_cpu_version.
4723         * config/c4x/c4x.opt: New file.
4724
4725 2005-03-30  Richard Sandiford  <rsandifo@redhat.com>
4726
4727         * doc/options.texi: Document the new MaskExists flag.
4728         * opth-gen.awk: Don't output MASK and TARGET macros for Mask(...)
4729         if the option has the MaskExists flag.
4730
4731 2005-03-30  Richard Sandiford  <rsandifo@redhat.com>
4732
4733         * opt-functions.awk (flag_set_p, test_flag): New functions.
4734         (switch_flags): Use them.
4735         * opth-gen.awk: Use flag_set_p to check for flags.
4736         * optc-gen.awk: Likewise.  Use opt_args to check for Init(...) flags.
4737
4738 2005-03-30  Ian Lance Taylor  <ian@airs.com>
4739
4740         * config.host (i[34567]86-*-mingw32*): Don't set
4741         host_can_use_collect2 to no.
4742
4743 2005-03-30  Alan Modra  <amodra@bigpond.net.au>
4744
4745         PR target/20203
4746         * builtins.c (get_memory_rtx): Expand address exp using EXPAND_NORMAL.
4747         Remove convert_memory_address call duplicating that in memory_address.
4748
4749 2005-03-29  Richard Henderson  <rth@redhat.com>
4750
4751         PR c/20519
4752         * c-decl.c (c_finish_incomplete_decl): Update complete_array_type call.
4753         (build_compound_literal): Likewise.  Propagate decl type into the
4754         initializer.
4755         (finish_decl): Likewise.  Use new return value from complete_array_type
4756         for zero sized arrays.
4757         (complete_array_type): Move ...
4758         * c-common.c (complete_array_type): ... here.  Change first argument
4759         to pointer-to-type-node.  Consistently use sizetype for the index
4760         except for zero sized arrays.  Detect zero sized arrays for pedantic
4761         mode diagnostics.  Create a new type node instead of modifying the
4762         old node in place.
4763         * c-tree.h (complete_array_type): Move decl ...
4764         * c-common.h (complete_array_type): ... here.
4765
4766 2005-03-29  Richard Henderson  <rth@redhat.com>
4767
4768         PR tree-opt/19108
4769         * tree-sra.c (generate_element_init_1): Handle RANGE_EXPR.
4770
4771 2005-03-29  Kazu Hirata  <kazu@cs.umass.edu>
4772
4773         * builtin-types.def, c-convert.c, c-format.c, ddg.c, debug.c,
4774         debug.h, et-forest.c, et-forest.h, gcov.c, rtl-profile.c,
4775         rtlhooks-def.h, rtlhooks.c, sdbout.c, tree-inline.h,
4776         tree-profile.c, tsystem.h, value-prof.h: Update copyright.
4777
4778 2005-03-29  Eric Christopher  <echristo@redhat.com>
4779
4780         * config/mips/mips.c (mips_gimplify_va_arg_expr): Update for
4781         truthvalue conversion removal.
4782
4783 2005-03-29  Ian Lance Taylor  <ian@airs.com>
4784
4785         PR bootstrap/14316
4786         * collect2.c: Never include <vfork.h>.
4787         (VFORK_STRING, vfork): Don't define.
4788         (pid): Remove global variable.
4789         (handler): Call raise instead of kill (getpid(), ...).
4790         (collect_wait): Add pex parameter.  Change all callers.  Use
4791         pex_get_status rather than pwait.
4792         (do_wait): Add pex parameter.  Change all callers.
4793         (collect_execute): Return struct pex_obj * rather than void.  Use
4794         pex routines rather than pexecute.
4795         (fork_execute): Get pex_obj from collect_execute, and pass it to
4796         do_wait.
4797         (scan_prog_file): Use pex routines rather than pipe/vfork/exec.
4798         Only declare quit_handler if SIGQUIT is defined.
4799         (scan_libraries): Likewise.
4800         * collect2.h (collect_execute): Update declaration.
4801         (collect_wait): Update declaration.
4802         * tlink.c (tlink_execute): Get pex_obj from collect_execute, and
4803         pass it to collect_wait.
4804
4805 2005-03-29  Joseph S. Myers  <joseph@codesourcery.com>
4806
4807         PR c/20672
4808         * c-parser.c (c_parser_compound_statement_nostart): Give error
4809         message for EOF instead of just setting parser->error.
4810
4811 2005-03-29  Dorit Naishlos  <dorit@il.ibm.com>
4812
4813         * tree-vectorizer.c (slpeel_update_phi_nodes_for_guard): Removed.
4814         (slpeel_update_phi_nodes_for_guard1): New function.
4815         (slpeel_update_phi_nodes_for_guard2): New function.
4816         (slpeel_tree_peel_loop_to_edge): Call above new functions instead
4817         of slpeel_update_phi_nodes_for_guard.
4818         (vectorize_loops): Remove call to loop_closed_rewrite.
4819         * tree-vect-transform.c (vect_update_ivs_after_vectorizer): Remove
4820         assertion.
4821
4822 2005-03-29  Richard Sandiford  <rsandifo@redhat.com>
4823
4824         * config/m32r/little.h (TARGET_ENDIAN_DEFAULT): Delete.
4825         (TARGET_LITTLE_ENDIAN): New macro.
4826         * config/m32r/m32r.h (SUBTARGET_SWITCHES, target_flags)
4827         (TARGET_RELAX_MASK, TARGET_DEBUG_MASK, TARGET_DEBUG)
4828         (TARGET_ALIGN_LOOPS_MASK, TARGET_ALIGN_LOOPS)
4829         (TARGET_LOW_ISSUE_RATE_MASK, TARGET_LOW_ISSUE_RATE)
4830         (TARGET_BRANCH_COST_MASK, TARGET_BRANCH_COST, TARGET_M32RX_MASK)
4831         (TARGET_M32RX, TARGET_M32R2_MASK, TARGET_M32R2, LITTLE_ENDIAN_BIT)
4832         (TARGET_ENDIAN_DEFAULT, SUBTARGET_SWITCHES, TARGET_DEFAULT)
4833         (TARGET_SWITCHES, m32r_model_string, m32r_sdata_string)
4834         (m32r_cache_flush_trap_string, SUBTARGET_OPTIONS)
4835         (TARGET_OPTIONS): Delete.
4836         (M32R_MODEL_DEFAULT, M32R_SDATA_DEFAULT): Turn into enums.
4837         (CACHE_FLUSH_TRAP): Turn into an integer.
4838         (TARGET_LITTLE_ENDIAN): Define to 0 by default.
4839         (INITIALIZE_TRAMPOLINE): Check m32r_cache_trap >= 0 to see if
4840         -mflush-trap is in use.
4841         * config/m32r/m32r.c (m32r_model_string, m32r_sdata_string)
4842         (m32r_cache_flush_trap_string): Delete.
4843         (m32r_model) Initialize to M32R_MODEL_DEFAULT.
4844         (m32r_sdata): Likewise M32R_SDATA_DEFAULT.
4845         (m32r_cache_trap): Likewise CACHE_FLUSH_TRAP.
4846         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
4847         (m32r_handle_option): New function.  Move -mflush-trap=, -mflush-func=,
4848         -mmodel= and -msdata= handling from...
4849         (m32r_init): ...here.
4850         * config/m32r/m32r.opt: New file.
4851
4852 2005-03-29  Keith Besaw  <kbesaw@us.ibm.com>
4853
4854         * tree-ssanames.c (duplicate_ssa_name_ptr_info): New function.
4855         (duplicate_ssa_name): Call duplicate_ssa_name_ptr_info.
4856         * tree-vect-analyze.c (vect_object_analysis): additional parm
4857         pass back a "struct ptr_info_def *" with the points-to info.
4858         (vect_analyze_data_refs): set the STMT_VINFO_PTR_INFO for the
4859         statement using info returned from vect_object_analysis.
4860         * tree-vect-transform.c (update_vuses_to_preheader): New function.
4861         (vect_create_data_ref_ptr): Remove updates to vars_to_rename
4862         for virtual uses and defs when creating a replacement vector
4863         reference.  Call duplicate_ssa_name_ptr_info to define points-to
4864         info for vector pointer replacement using STMT_VINFO_PTR_INFO.
4865         (vectorizable_store): copy_virtual_operands and update
4866         definition statements.
4867         (vectorizable_load): copy_virtual_operands.  Remove call to
4868         mark_call_clobbered_vars_to_rename for call to "const" builtin.
4869         * tree-vectorizer.c (vectorize_loops): Remove calls to
4870         rewrite_into_ssa and bitmap_clear (vars_to_rename).
4871         (new_stmt_vec_info): initialize STMT_VINFO_PTR_INFO for stmt.
4872         * tree-vectorizer.h (_stmt_vec_info): add field ptr_info and
4873         define macro STMT_VINFO_PTR_INFO for use in accessing.
4874         * tree.h add export of duplicate_ssa_name_ptr_info.
4875         * rs6000.c (altivec_init_builtins): Declare builtin function
4876         __builtin_altivec_mask_for_load to be "const".
4877
4878 2005-03-29  Jakub Jelinek  <jakub@redhat.com>
4879
4880         PR middle-end/20622
4881         * cgraph.h (struct cgraph_varpool_node): Add alias field.
4882         * cgraph.c (cgraph_varpool_assemble_pending_decls): Don't call
4883         assemble_variable on aliases.
4884         * varasm.c (assemble_alias): Set node->alias.
4885         * toplev.c (wrapup_global_declarations): Don't call
4886         rest_of_decl_compilation on aliases again.
4887
4888 2005-03-29  Paul Brook  <paul@codesourcery.com>
4889
4890         * config/arm/arm-protos.h (arm_dbx_register_number): Add prototype.
4891         * config/arm/arm.c (arm_dbx_register_number): New function.
4892         * config/arm/arm.h (IS_FPA_REGNUM, DBX_REGISTER_NUMBER): Define.
4893
4894 2005-03-29  Eric Botcazou  <ebotcazou@libertysurf.fr>
4895
4896         PR middle-end/20263
4897         * varasm.c (make_decl_rtl) [ASM_DECLARE_REGISTER_GLOBAL]: Use
4898         the DECL_NAME, not the DECL_ASSEMBLER_NAME.
4899
4900 2005-03-29  Dale Johannesen <dalej@apple.com>
4901
4902         * Makefile.in (value-prof.o): New dependencies on $(DIAGNOSTIC_H)
4903         $(TREE_H) and $(COVERAGE_H).
4904         * coverage.c (compute_checksum): Use DECL_NAME not DECL_ASSEMBLER_NAME.
4905         * opts.c (common_handle_option): Enable tree-based value transforms.
4906         * toplev.c (process_options): Ditto.
4907         * value-prof.h (struct histogram_value_t): Redefine. "Adjust" below
4908         refers to references to this type.
4909         * tree-flow.h: (struct stmt_ann_d): Add histograms field.
4910         * rtl-profile.c (rtl_gen_interval_profiler): Adjust. Remove checks
4911         for may_be_more, may_be_less.
4912         (rtl_gen_pow2_profiler): Adjust.
4913         (rtl_gen_one_value_profiler_no_edge_manip): Adjust.
4914         (rtl_gen_one_value_profiler): Adjust.
4915         (rtl_gen_const_delta_profiler): Adjust.
4916         * tree-profile.c (tree_gen_interval_profiler): Implement.
4917         (tree_gen_pow2_profiler): Ditto.
4918         (tree_gen_one_value_profiler): Ditto.
4919         (tree_profiling): New.
4920         (pass_tree_profile): Reference it.
4921         * value-prof.c: Include tree-flow.h, tree-flow-inline.h, diagnostic.h,
4922         tree.h, gcov-io.h.
4923         (insn_divmod_values_to_profile): Rename to
4924         rtl_divmod_values_to_profile. Adjust.
4925         (insn_values_to_profile): Rename to rtl_values_to_profile. Adjust.
4926         (insn_prefetch_values_to_profile): Adjust.
4927         (rtl_value_profile_transformations): Adjust.
4928         (gen_divmod_fixed_value): Rename to rtl_divmod_fixed_value.
4929         (gen_mod_pow2): Rename to rtl_mod_pow2.
4930         (gen_mod_subtract): Rename to rtl_mod_subtract.
4931         (divmod_fixed_value_transform): Rename to
4932         rtl_divmod_fixed_value_transform.
4933         (mod_pow2_value_transform): Rename to rtl_mod_pow2_value_transform.
4934         (mod_subtract_transform): Rename to rtl_mod_subtract_transform.
4935         (rtl_find_values_to_profile): Adjust.
4936         (tree_value_profile_transformations): Implement.
4937         (tree_divmod_values_to_profile): New.
4938         (tree_values_to_profile): New.
4939         (tree_divmod_fixed_value): New.
4940         (tree_mod_pow2): New.
4941         (tree_mod_subtract): New.
4942         (tree_divmod_fixed_value_transform): New.
4943         (tree_mod_pow2_value_transform): New.
4944         (tree_mod_subtract_transform): New.
4945         (tree_find_values_to_profile): Implement.
4946         * profile.c (instrument_values):  Free histograms.
4947         (compute_value_histograms): Adjust. Implement tree version.
4948
4949 2005-03-29  Uros Bizjak  <uros@kss-loka.si>
4950
4951         * reg-stack.c (subst_stack_regs_pat): Handle <UNSPEC_FIST> case.
4952         * config/i386/i386.c (output_fix_trunc): Add new round_mode
4953         variable.  Output "fldcw" depending on round_mode.
4954         * config/i386/i386.md (UNSPEC_FIST): New.
4955         (fistdi2, fistdi2_with_temp, fist<mode>2, fist<mode>2_with_temp):
4956         New isns patterns to implement lrint and llrint built-ins as x87
4957         intrinsic function.
4958         (fistdi2, fist<mode>2 splitters): New splitters.
4959         (lrint<mode>2): New expanders.
4960
4961 2005-03-28  Ian Lance Taylor  <ian@airs.com>
4962
4963         * config/arc/arc.c (arc_output_function_epilogue): Pass prescan as
4964         0 when calling final_scan_insn.
4965
4966 2005-03-28  Jan Hubicka  <jh@suse.cz>
4967
4968         PR middle-end/20635
4969         * varasm.c (mark_decl_referenced): Do not mark extern inline functions
4970         as needed.
4971
4972         * tree-inline.c (estimate_num_insns_1): Use declaration to discover argument
4973         types where possible.
4974
4975 2005-03-26  Per Bothner  <per@bothner.com>
4976
4977         Make -f[no-]show-column also control non-cpp diagnostics.
4978         * c.opt (fshow-column): Move option from here ...
4979         * common.opt (fshow-column): ... to here.
4980         * diagnostic.c (diagnostic_build_prefix): Only print column number
4981         if flag_show_column.
4982
4983 2005-03-27  Steven Bosscher  <stevenb@suse.de>
4984
4985         * vax-protos.h (vax_output_int_move, vax_output_int_add,
4986         vax_output_conditional_branch): New prototypes.
4987         * vax.c (vax_output_int_move, vax_output_int_add): New functions,
4988         extracted from vax.md mov and add patterns.
4989         (vax_output_conditional_branch): New function to output conditional
4990         branch instructions.
4991         * vax.md: Use mode macros for arithmetic and mov patterns.
4992         Use code macros for the jump patterns.
4993
4994 2005-03-26  Andrew Pinski  <pinskia@physics.uc.edu>
4995
4996         * Makefile.in (libbackend.o): Depend on version files;
4997         add custom generation command.
4998
4999 2005-03-26  Andrew Pinski  <pinskia@physics.uc.edu>
5000
5001         PR target/20636
5002         * config/rs6000/rs6000.md (extendsfdf2_fpr): Check to make
5003         sure that we have a REG before getting its REGNO.
5004
5005 2005-03-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
5006
5007         * builtin-types.def (BT_FN_STRING_CONST_STRING_SIZE): New.
5008         * builtins.def (BUILT_IN_STRNDUP): New.
5009
5010 2005-03-25  Pat Haugen  <pthaugen@us.ibm.com>
5011
5012         PR tree-optimization/20470
5013         * fold-const.c (fold_cond_expr_with_comparison): Recognize/fold
5014         ABS(x-y).
5015
5016 2005-03-25  Mike Stump  <mrs@apple.com>
5017
5018         * config/darwin.h (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Don't allow 0
5019         sized objects.
5020
5021 2005-03-25  Geoffrey Keating  <geoffk@apple.com>
5022
5023         * config/rs6000/darwin-fallback.c: Don't include <ucontext.h>.
5024         Use our own structure definitions.
5025
5026         * config/rs6000/rs6000.md (UNSPEC constants): Add UNSPEC_STFIWX.
5027         (fix_truncdfsi2): Allow registers or memory as destination.
5028         When TARGET_PPC_GFXOPT, generate simplified pattern.
5029         (fix_truncdfsi2_internal): Use define_insn_and_split.
5030         (fix_truncdfsi2_internal_gfxopt): New.
5031         (fctiwz): Don't confuse register allocation by giving it no choices.
5032         (stfiwx): New.
5033         * config/rs6000/rs6000.h (EXTRA_CONSTRAINT): Add 'Z'.
5034         (EXTRA_MEMORY_CONSTRAINT): Likewise.
5035         * config/rs6000/rs6000.c (indexed_or_indirect_operand): New.
5036         * config/rs6000/rs6000-protos.h (indexed_or_indirect_operand): New.
5037
5038 2005-03-25  Kazu Hirata  <kazu@cs.umass.edu>
5039
5040         * dominance.c (free_dominance_info): Speed up by freeing et
5041         data structures without maintaining other nodes.
5042         * et-forest.c (et_free_tree_force): New.
5043         * et-forest.h: Add a prototype for et_free_tree_force.
5044
5045         * tree.c (get_set_constructor_bits,
5046         get_set_constructor_bytes): Remove.
5047         * tree.h: Remove the corresponding prototypes.
5048
5049 2005-03-25  John David Anglin  <dave.anglin@nrc-crnc.gc.ca>
5050
5051         PR target/15491
5052         * vax.c (vax_rtx_costs_1): Merge with vax_rtx_costs.
5053         (vax_rtx_costs): Return false when passed unsupported rtx's.  Handle
5054         FLOAT_EXTEND, FLOAT_TRUNCATE and TRUNCATE.  Fix costs for POST_INC,
5055         PRE_DEC, NEG and NOT.
5056
5057 2005-03-25  Kazu Hirata  <kazu@cs.umass.edu>
5058
5059         * fold-const.c: Convert uses of fold (build (...)) to
5060         fold_buildN.
5061
5062 2005-03-25  Zdenek Dvorak  <dvorakz@suse.cz>
5063
5064         PR rtl-optimization/20249
5065         * cse.c (insert_regs): Do not record equivalence of registers in
5066         different modes.
5067
5068 2005-03-24  Kazu Hirata  <kazu@cs.umass.edu>
5069
5070         * emit-rtl.c (reverse_comparison): Remove.
5071         * rtl.h: Remove the corresponding prototype.
5072
5073 2005-03-24  James E Wilson  <wilson@specifixinc.com>
5074
5075         * doc/install.texi (--enable-altivec): Delete docs.
5076
5077 2005-03-24  David Edelsohn  <edelsohn@gnu.org>
5078
5079         * config/rs6000/predicates.md (easy_fp_constant): Return 0 for
5080         SFmode and DFmode before reload when
5081         flag_unsafe_math_optimizations not enabled.
5082
5083 2005-03-24  Geoffrey Keating  <geoffk@apple.com>
5084
5085         * c.opt (fvisibility-inlines-hidden): Allow for ObjC++.
5086
5087         * config/i386/darwin.h (TARGET_SUBTARGET_DEFAULT): Add
5088         MASK_128BIT_LONG_DOUBLE, MASK_ALIGN_DOUBLE.
5089
5090 2005-03-24  Nathan Sidwell  <nathan@codesourcery.com>
5091
5092         * configure.ac (enable-checking): Add 'runtime' option.
5093         * doc/install.texi (enable-checking): Document 'runtime' checking.
5094         * tsystem.h (gcc_assert, gcc_unreachable): Define.
5095         * config.in: Regenerated.
5096         * configure: Regenerated.
5097
5098 2005-03-23  Uros Bizjak  <uros@kss-loka.si>
5099
5100         * optabs.h (enum optab_index): Remove OTI_llrint.
5101         (llrint_optab): Remove macro.
5102         * optabs.c (init_optabs): Remove llrint_optab initialization.
5103         * genopinit.c (optabs): Remove llrint_optab implementation.
5104         * builtins.c (expand_builtin_mathfn): Handle BUILT_IN_LLRINT{,F,L}
5105         using lrint_optab.
5106
5107 2005-03-24  Alexandre Oliva  <aoliva@redhat.com>
5108
5109         PR rtl-optimization/20532
5110         * simplify-rtx.c (simplify_binary_operation_1): Protect from
5111         overflow when adding coefficients for PLUS or MINUS.
5112         (simplify_binary_operation_1): Handle CONST_DOUBLE exact power of
5113         two as multiplier.
5114
5115 2005-03-23  Joseph S. Myers  <joseph@codesourcery.com>
5116
5117         * langhooks.h (truthvalue_conversion): Remove.
5118         * langhooks-def.h (LANG_HOOKS_INITIALIZER): Remove
5119         LANG_HOOKS_TRUTHVALUE_CONVERSION.
5120         * system.h (LANG_HOOKS_TRUTHVALUE_CONVERSION): Poison.
5121         * gimplify.c (gimple_boolify): Don't use truthvalue_conversion.
5122         * c-objc-common.h (LANG_HOOKS_TRUTHVALUE_CONVERSION): Remove.
5123
5124 2005-03-23  Kazu Hirata  <kazu@cs.umass.edu>
5125
5126         * params.def: Fix a typo.
5127         * config/mips/mips.c: Follow the spelling convensions.
5128         * doc/invoke.texi: Fix typos.
5129
5130 2005-03-23  Daniel Berlin  <dberlin@dberlin.org>
5131
5132         Fix PR tree-optimization/20601
5133
5134         * tree-ssa-pre.c (insert_aux): Add missing condition to
5135         constification.
5136
5137 2005-03-23  Ian Lance Taylor  <ian@airs.com>
5138
5139         * final.c (final_scan_insn): Don't remove no-op instructions.
5140         * reload1.c (reload): Remove simple no-op instructions even when
5141         not optimizing.
5142
5143 2005-03-23  Dorit Naishlos  <dorit@il.ib.com>
5144
5145         PR tree-optimization/20501
5146         * tree-vect-analyze.c (vect_enhance_data_refs_alignment): Debug print
5147         reporting that peeling for alignment is applied moved to...
5148         * (vect_analyze_data_refs_alignment): Here.
5149
5150 2005-03-23  Ian Lance Taylor  <ian@airs.com>
5151
5152         * reorg.c (dbr_schedule): Remove #if 0 code to call final.
5153
5154 2005-03-23  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
5155
5156         * config.gcc (alpha*-dec-osf[45]*): Remove target_cpu_default.
5157         Define TARGET_SUPPORT_ARCH except on Tru64 UNIX V4.0A.
5158
5159 2005-03-23  Hans-Peter Nilsson  <hp@axis.com>
5160
5161         * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Adjust wording to not
5162         imply that this is called once, independent of asms in code.
5163         Adjust to now being pased output and input lists.  Mention helper
5164         function decl_overlaps_hard_reg_set_p.
5165         * hooks.c (hook_tree_tree_tree_tree_3rd_identity): Rename from
5166         hook_tree_tree_identity and to take three trees, returning third.
5167         * hooks.h (hook_tree_tree_tree_tree_3rd_identity): Adjust the
5168         prototype.
5169         * stmt.c: include hard-reg-set.h before tree.h.
5170         (decl_overlaps_hard_reg_set_p): New function, broken out from...
5171         (decl_conflicts_with_clobbers_p): Call
5172         decl_overlaps_hard_reg_set_p.
5173         (expand_asm_operands): Pass output and input lists in call to
5174         targetm.md_asm_clobbers.
5175         * target-def.h (TARGET_MD_ASM_CLOBBERS): Define as
5176         hook_tree_tree_tree_tree_3rd_identity.
5177         * target.h (struct gcc_target.md_asm_clobbers): Take three tree
5178         parameters.
5179         * tree.h [HARD_CONST] (decl_overlaps_hard_reg_set_p): Prototype.
5180         * config/i386/i386.c (ix86_md_asm_clobbers): Adjust to three
5181         parameters, first two unused.
5182         * config/cris/cris.c (cris_md_asm_clobbers): Adjust to added
5183         parameters.  Only add MOF to clobbers if there's no 'h' mentioned
5184         in constraint letters and MOF is not mentioned as a asm-declared
5185         register in neither of the input and output lists.
5186
5187 2005-03-23  DJ Delorie  <dj@redhat.com>
5188
5189         * optabs.c (expand_binop): Make sure the first subword's result
5190         gets stored.
5191
5192 2005-03-23  Joseph S. Myers  <joseph@codesourcery.com>
5193
5194         * c-common.c (c_common_truthvalue_conversion): Adjust comment.
5195         Call c_common_truthvalue_conversion rather than
5196         lang_hooks.truthvalue_conversion.
5197         * c-convert.c (convert): Call c_objc_common_truthvalue_conversion.
5198         * c-objc-common.c (c_objc_common_truthvalue_conversion): Move to
5199         c-typeck.c.
5200         * c-objc-common.h (LANG_HOOKS_TRUTHVALUE_CONVERSION): Change to
5201         c_common_truthvalue_conversion.
5202         * c-parser.c (c_parser_paren_condition, c_parser_for_statement,
5203         c_parser_conditional_expression, c_parser_binary_expression): Call
5204         c_objc_common_truthvalue_conversion.
5205         * c-typeck.c (build_unary_op): Call
5206         c_objc_common_truthvalue_conversion.
5207         (build_conditional_expr): Do not call
5208         lang_hooks.truthvalue_conversion.
5209         (build_binary_op): Call c_common_truthvalue_conversion.
5210         (c_objc_common_truthvalue_conversion): Moved from
5211         c-objc-common.c.  Call default_function_array_conversion instead
5212         of default_conversion.
5213
5214 2005-03-23  Joseph S. Myers  <joseph@codesourcery.com>
5215
5216         * c-common.h (default_conversion): Remove.
5217         (perform_integral_promotions): Add.
5218         * c-tree.h (default_conversion): Add.
5219         * c-typeck.c (perform_integral_promotions): New, split out from
5220         default_conversion.
5221         * c-common.c (check_case_value): Use perform_integral_promotions,
5222         not default_conversion.
5223         (c_add_case_label): Don't continue processing case label after
5224         found to be pointer.
5225
5226 2005-03-23  Mark Mitchell  <mark@codesourcery.com>
5227
5228         * gcc.c (do_spec_1): Do not add a -L path for a directory in
5229         the prefix list if we have already added a multilib directory
5230         based on that path.
5231         (main): Do not add MD_EXEC_PREFIX to the list of directories to
5232         search with -L.
5233
5234 2005-03-22  Kazu Hirata  <kazu@cs.umass.edu>
5235
5236         * reload1.c (indirect_symref_ok, reload_obstack): Make them
5237         static.
5238         * reload.h: Remove the prototype for indirect_symref_ok.
5239
5240         * reload1.c (indirect_symref_ok): Make it global.
5241         * reload.h: Add a prototype for indirect_symref_ok.
5242
5243 2005-03-22  Kaz Kojima  <kkojima@gcc.gnu.org>
5244
5245         * config/sh/sh.md (ashlhi3): Rename to *ashlhi3_n and add a new
5246         ashlhi3 expander.
5247
5248 2005-03-22  Tobias Schl"uter  <tobias.schlueter@physik.uni-muenchen.de>
5249
5250         * tree.h (DECL_IGNORED_P, DECL_IN_SYSTEM_HEADER): Clarify comments.
5251
5252 2005-03-22  Daniel Berlin  <dberlin@dberlin.org>
5253
5254         * c-opts.c (c_common_parse_file): Only start/end main source file
5255         if debug hooks says the writer wants it.
5256         * dbxout.c (dbx_debug_hooks): Add start_end_main_source_file
5257         member.
5258         (xcoff_debug_hooks): Ditto.
5259         * debug.c (do_nothing_hooks): Ditto.
5260         * debug.h (gcc_debug_hooks): Ditto.
5261         * dwarf2out.c (dwarf2_debug_hooks): Ditto.
5262         * sdbout.c (sdb_debug_hooks): Ditto.
5263         * vmsdbgout.c (vmsdbg_debug_hooks): Ditto.
5264
5265 2005-03-22  Mark Mitchell  <mark@codesourcery.com>
5266
5267         * doc/extend.texi: Deprecate C++ min/max operators.
5268
5269 2005-03-22  Zdenek Dvorak  <dvorakz@suse.cz>
5270
5271         * tree-ssa-loop-ivopts.c (determine_iv_cost): Do not try to preserve
5272         artificial original candidates.
5273
5274 2005-03-22  Richard Guenther <rguenth@tat.physik.uni-tuebingen.de>
5275             Jan Hubicka  <jh@suse.cz>
5276             Steven Bosscher <stevenb@suse.de>
5277
5278         * cgraphunit.c (cgraph_estimate_size_after_inlining): Compute
5279         call cost based on argument sizes.
5280         (cgraph_mark_inline_edge): Avoid inline unit from shrinking by
5281         inlining.
5282         * params.def: (max-inline-inssn-single): Set to 450.
5283         (max-inline-insns-auto): Set to 90.
5284         (max-inline-insns-recursive): Set to 450
5285         (max-inline-insns-recursive-auto): Set to 450.
5286         (large-function-insns): Set to 2700.
5287         (inline-call-cost): New parameter.
5288         * tree-inline.c (estimate_move_cost): New function.
5289         (estimate_num_insns_1): Compute move sizes costs by estimate_move_cost
5290         for non-gimple-regs, set cost to 0 for gimple-regs.  Compute call size
5291         based on arguments.
5292         * tree-inline.h (estimate_move_cost): Declare.
5293         * invoke.texi: (max-inline-inssn-single): Change default to 450.
5294         (max-inline-insns-auto): Change default to 90.
5295         (max-inline-insns-recursive): Change default to 450
5296         (max-inline-insns-recursive-auto): Change default to 450.
5297         (large-function-insns): Change default to 2700.
5298         (inline-call-cost): Document new parameter.
5299
5300 2005-03-22  Richard Sandiford  <rsandifo@redhat.com>
5301
5302         * config/i860/i860.h (target_flags, TARGET_XP, TARGET_SWITCHES)
5303         (TARGET_DEFAULT): Delete.
5304         * config/i860/i860.opt: New file.
5305
5306 2005-03-22  Richard Sandiford  <rsandifo@redhat.com>
5307
5308         * config/frv/frv-protos.h (frv_branch_cost_string, frv_branch_cost_int)
5309         (frv_cpu_string, frv_condexec_insns_str, frv_condexec_insns)
5310         (frv_condexec_temps_str, frv_condexec_temps, frv_sched_lookahead_str)
5311         (frv_sched_lookahead): Delete.
5312         * config/frv/frv.h (MASK_DEFAULT_ALLOC_CC): Move to frv.c.
5313         (target_flags, MASK_GPR_32, MASK_FPR_32, MASK_SOFT_FLOAT)
5314         (MASK_ALLOC_CC, MASK_DWORD, MASK_DOUBLE, MASK_MEDIA, MASK_MULADD)
5315         (MASK_LIBPIC, MASK_ACC_4,  MASK_PACK, MASK_LONG_CALLS)
5316         (MASK_ALIGN_LABELS, MASK_LINKED_FP, MASK_BIG_TLS, MASK_DEBUG_ARG)
5317         (MASK_DEBUG_ADDR, MASK_DEBUG_STACK, MASK_DEBUG, MASK_DEBUG_LOC)
5318         (MASK_DEBUG_COND_EXEC, MASK_NO_COND_MOVE, MASK_NO_SCC)
5319         (MASK_NO_COND_EXEC, MASK_NO_VLIW_BRANCH, MASK_NO_MULTI_CE)
5320         (MASK_FDPIC, MASK_INLINE_PLT, MASK_GPREL_RO, MASK_DEFAULT)
5321         (TARGET_GPR_32, TARGET_FPR_32, TARGET_SOFT_FLOAT, TARGET_ALLOC_CC)
5322         (TARGET_DWORD, TARGET_DOUBLE, TARGET_MEDIA, TARGET_MULADD)
5323         (TARGET_LIBPIC, TARGET_ACC_4, TARGET_DEBUG_ARG, TARGET_DEBUG_ADDR)
5324         (TARGET_DEBUG_STACK, TARGET_DEBUG, TARGET_DEBUG_LOC)
5325         (TARGET_DEBUG_COND_EXEC, TARGET_NO_COND_MOVE, TARGET_NO_SCC)
5326         (TARGET_NO_COND_EXEC, TARGET_NO_VLIW_BRANCH, TARGET_NO_MULTI_CE)
5327         (TARGET_NO_NESTED_CE, TARGET_FDPIC, TARGET_INLINE_PLT, TARGET_BIG_TLS)
5328         (TARGET_GPREL_RO, TARGET_PACK, TARGET_LONG_CALLS, TARGET_ALIGN_LABELS)
5329         (TARGET_LINKED_FP, TARGET_GPR_64, TARGET_FPR_64, TARGET_HARD_FLOAT)
5330         (TARGET_FIXED_CC, TARGET_COND_MOVE, TARGET_SCC, TARGET_COND_EXEC)
5331         (TARGET_VLIW_BRANCH, TARGET_MULTI_CE, TARGET_NESTED_CE, TARGET_ACC_8)
5332         (TARGET_SWITCHES, TARGET_OPTIONS, DEFAULT_CONDEXEC_TEMPS)
5333         (DEFAULT_BRANCH_COST, DEFAULT_CONDEXEC_INSNS): Delete.
5334         * config/frv/frv.c (frv_branch_cost_string, frv_branch_cost_int)
5335         (frv_cpu_string, frv_condexec_insns_str, frv_condexec_insns)
5336         (frv_condexec_temps_str, frv_condexec_temps, frv_sched_lookahead_str)
5337         (frv_sched_lookahead): Delete.
5338         (MASK_DEFAULT_ALLOC_CC): Moved from frv.h.
5339         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
5340         (frv_handle_option): New function.  Move -mcpu= handling from...
5341         (frv_override_options): ...here.  Remove handling of other
5342         TARGET_OPTIONS.
5343         (frv_ifcvt_modify_tests): Check !TARGET_COND_EXEC instead of
5344         TARGET_NO_COND_EXEC and !TARGET_NESTED_CE to TARGET_NO_NESTED_CE.
5345         (frv_ifcvt_modify_multiple_tests): Likewise !TARGET_MULTI_CE
5346         and TARGET_NO_MULTI_CE.
5347         (frv_for_each_packet): Likewise TARGET_NO_VLIW_BRANCH and
5348         !TARGET_VLIW_BRANCH.
5349         * config/frv/frv.opt: New file.
5350
5351 2005-03-22  Kazu Hirata  <kazu@cs.umass.edu>
5352
5353         * fold-const.c (fold_ternary): Take decomposed arguments of
5354         CALL_EXPR.
5355         (fold): Update a call to fold_ternary.
5356
5357         * fold-const.c (fold_build1, fold_build2, fold_build3): New.
5358         * tree.h: Add corresponding prototypes.
5359
5360 2005-03-22  Jakub Jelinek  <jakub@redhat.com>
5361
5362         PR target/20561
5363         * cfglayout.c (reemit_insn_block_notes): Don't put block notes in
5364         between jump table and its label.
5365         * final.c (shorten_branches): Handle notes in between ADDR_VEC
5366         resp. ADDR_DIFF_VEC and the label preceeding it.
5367         (final_scan_insn): Likewise.  Ensure ADDR_VEC resp. ADDR_DIFF_VEC
5368         is emitted in the right section.
5369
5370 2005-03-22  Kazu Hirata  <kazu@cs.umass.edu>
5371
5372         * fold-const.c (fold_unary, fold_binary): Update comments
5373         about arguments.
5374
5375 2005-03-22  Hans-Peter Nilsson  <hp@axis.com>
5376
5377         PR rtl-optimization/20527
5378         * combine.c (can_combine_p) [AUTO_INC_DEC]: When INSN has an
5379         REG_INC note, test that the register also isn't mentioned in PRED
5380         or SUCC.
5381
5382 2005-03-22  Ben Elliston  <bje@au.ibm.com>
5383
5384         * dwarf2out.c (dwarf_type_encoding_name): Remove unused prototype
5385         and definition.
5386
5387 2005-03-21  Mike Stump  <mrs@apple.com>
5388
5389         * varasm.c (default_assemble_visibility): Remove extra ().
5390
5391 2005-03-21  Roger Sayle  <roger@eyesopen.com>
5392
5393         PR middle-end/20557
5394         * bb-reorder.c (duplicate_computed_gotos): Use can_duplicate_block_p
5395         to determine whether a block can be duplicated, rather than test
5396         whether the block contains noncopyable insns ourselves.
5397
5398 2005-03-21  Kazu Hirata  <kazu@cs.umass.edu>
5399
5400         * config/i860/i860.h (PREDICATE_CODES): Remove nonexistent
5401         predicates.
5402
5403 2005-03-21  Richard Sandiford  <rsandifo@redhat.com>
5404
5405         * config/ip2k/ip2k.h (target_flags, TARGET_SWITCHES): Delete.
5406
5407 2005-03-21  Richard Sandiford  <rsandifo@redhat.com>
5408
5409         * config/fr30/fr30.h (TARGET_SMALL_MODEL_MASK, TARGET_SMALL_MODEL)
5410         (TARGET_DEFAULT, target_flags, TARGET_SWITCHES): Delete.
5411         * config/fr30/fr30.opt: New file.
5412
5413 2005-03-18  Daniel Berlin  <dberlin@dberlin.org>
5414
5415         Fix PR tree-optimization/20542
5416
5417         * tree-flow-inline.h (overlap_subvar): Move to here.
5418         * tree-ssa-operands.c: From here.
5419         * tree-flow.h (overlap_subvar): Declare.
5420         * tree-ssa-alias.c (add_pointed_to_var): Use overlap_subvar here.
5421         * tree-ssa-loop-im.c (is_call_clobbered_ref): Return proper answer
5422         for variables with subvars.
5423
5424 2005-03-21 Mostafa Hagog <mustafa@il.ibm.com>
5425
5426         PR middle-end/20177
5427         * ddg.c (create_ddg_dependence): Ignore reg-anti dependency.
5428         * modulo-sched.c (const_iteration_count): Return on NULL
5429         pre-header.
5430         (print_node_sched_params): Return on NULL dump_file.
5431         (generate_reg_moves): Handle reg-anti dependencies and disregard
5432         closing branch when generating register moves.
5433         (sms_schedule): Mark the SMSed block dirty.
5434         * passes.c (rest_of_handle_sms): Call update_life_info for all
5435         basic-blocks.
5436         * testsuite/gcc.dg/20050321-1.c: New test.
5437
5438 2005-03-21  Bob Wilson  <bob.wilson@acm.org>
5439
5440         * config/xtensa/lib1funcs.asm (__mulsi3): Use symbolic name for ACCLO.
5441         * config/xtensa/xtensa.md (movsi_internal, movhi_internal,
5442         movqi_internal): Likewise.
5443
5444 2005-03-21  Bob Wilson  <bob.wilson@acm.org>
5445
5446         * config/xtensa/xtensa-protos.h: (xtensa_simm7, xtensa_uimm8,
5447         xtensa_uimm8x2, xtensa_uimm8x4, xtensa_ai4const, xtensa_lsi4x4,
5448         xtensa_b4const): Delete prototypes.
5449         (xtensa_simm8, xtensa_simm8x256, xtensa_simm12b, xtensa_b4constu,
5450         xtensa_mask_immediate, xtensa_mem_offset): Update prototypes.
5451         (xtensa_b4const_or_zero, xtensa_const_ok_for_letter_p,
5452         xtensa_extra_constraint): New prototypes.
5453         (add_operand, arith_operand, nonimmed_operand, mem_operand,
5454         mask_operand, extui_fldsz_operand, sext_operand, sext_fldsz_operand,
5455         lsbitnum_operand, branch_operand, ubranch_operand, call_insn_operand,
5456         move_operand, const_float_1_operand, fpmem_offset_operand,
5457         branch_operator, ubranch_operator, boolean_operator): Delete prototypes.
5458         * config/xtensa/xtensa.c (b4const_or_zero): Rename to ...
5459         (xtensa_b4const_or_zero): ...this.  Change return type to bool and
5460         argument type to HOST_WIDE_INT.
5461         (xtensa_simm8, xtensa_simm8x256, xtensa_simm12b,
5462         xtensa_mask_immediate): Likewise.
5463         (xtensa_uimm8, xtensa_uimm8x2, xtensa_uimm8x4, xtensa_b4const):
5464         Likewise.  Also make these functions static.
5465         (xtensa_simm7, xtensa_ai4const, xtensa_lsi4x4): Delete.
5466         (xtensa_const_ok_for_letter_p): New.
5467         (add_operand, arith_operand, nonimmed_operand, mem_operand,
5468         mask_operand, extui_fldsz_operand, sext_operand, sext_fldsz_operand,
5469         lsbitnum_operand, branch_operand, ubranch_operand, call_insn_operand,
5470         move_operand, const_float_1_operand, fpmem_offset_operand,
5471         branch_operator, ubranch_operator, boolean_operator): Move to
5472         predicates.md.
5473         (smalloffset_mem_p): Inline code from xtensa_lsi4x4.
5474         (xtensa_mem_offset): Change return type to bool.
5475         (xtensa_extra_constraint): New.
5476         (gen_int_relational): Update type of const_range_p function pointer.
5477         Use xtensa_b4const_or_zero.
5478         * config/xtensa/xtensa.h (CONST_OK_FOR_LETTER_P): Define to
5479         xtensa_const_ok_for_letter_p.  Update comments.
5480         (EXTRA_CONSTRAINT): Define to xtensa_extra_constraint.
5481         (PREDICATE_CODES): Delete.
5482         * config/xtensa/xtensa.md: Include predicates.md.
5483         * config/xtensa/predicates.md: New file.
5484
5485 2005-03-21  Kazu Hirata  <kazu@cs.umass.edu>
5486
5487         * config/v850/v850-protos.h: Remove the prototypes for
5488         reg_or_int9_operand, reg_or_const_operand,
5489         pattern_is_ok_for_prepare, pattern_is_ok_for_dispose,
5490         reg_or_0_operand, reg_or_int5_operand, call_address_operand,
5491         movsi_source_operand, power_of_two_operand,
5492         not_power_of_two_operand, special_symbolref_operand,
5493         pattern_is_ok_for_prologue, pattern_is_ok_for_epilogue, and
5494         register_is_ok_for_epilogue.
5495         * config/v850/v850.c (reg_or_0_operand, reg_or_int5_operand,
5496         reg_or_int9_operand, reg_or_const_operand,
5497         call_address_operand, special_symbolref_operand,
5498         movsi_source_operand, power_of_two_operand,
5499         not_power_of_two_operand, register_is_ok_for_epilogue,
5500         pattern_is_ok_for_epilogue, pattern_is_ok_for_prologue,
5501         pattern_is_ok_for_dispose, pattern_is_ok_for_prepare): Move to
5502         predicates.md.
5503         * config/v850/v850.h (PREDICATE_CODES): Remove.
5504         * config/v850/v850.md: Include predicates.md.
5505         * config/v850/predicates.md: New.
5506
5507 2005-03-21  Zack Weinberg  <zack@codesourcery.com>
5508
5509         * Makefile.in (BASEVER, DEVPHASE, DATESTAMP)
5510         (BASEVER_c, DEVPHASE_c, DATESTAMP_c)
5511         (BASEVER_s, DEVPHASE_s, DATESTAMP_s, version): Set with :=.
5512         (itoolsdir, itoolsdatadir): Move definition above new first use.
5513         (install-itoolsdirs): New rule.
5514         (install-mkheaders): Depend on install-itoolsdirs, not
5515         install-include-dir.
5516
5517 2005-03-21  Kazu Hirata  <kazu@cs.umass.edu>
5518
5519         * tree-into-ssa.c: Remove obsolete comments.
5520
5521 2005-03-21  Richard Guenther  <rguenth@gcc.gnu.org>
5522
5523         * tree-ssa-loop.c (gate_tree_complete_unroll): Run complete
5524         unrolling if -fpeel-loops is specified, too.
5525         * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely):
5526         Remove superfluous check for flag_unroll_loops.
5527
5528 2005-03-21  Uros Bizjak  <uros@kss-loka.si>
5529
5530         * optabs.h (enum optab_index): Add new OTI_lrint and OTI_llrint.
5531         (lrint_optab, llrint_optab): Define corresponding macros.
5532         * optabs.c (init_optabs): Initialize lrint_optab and llrint_optab.
5533         * genopinit.c (optabs): Implement lrint_optab using lrintsi2
5534         pattern and llrint_optab using llrintdi2 patterns.
5535         * builtins.c (expand_builtin_mathfn): Handle BUILT_IN_LRINT{,F,L}
5536         using lrint_optab and BUILT_IN_LLRINT{,F,L} using llrint_optab.
5537         (expand_builtin): Expand BUILT_IN_LRINT{,F,L} and
5538         BUILT_IN_LLRINT{,F,L} using expand_builtin_mathfn if
5539         flag_unsafe_math_optimizations is set.
5540
5541 2005-03-21  Paolo Bonzini  <bonzini@gnu.org>
5542
5543         * combine.c (combine_simplify_rtx, simplify_if_then_else,
5544         simplify_logical, if_then_else_cond, known_cond,
5545         simplify_comparison): Adjust calls to reverse_comparison.
5546         Don't use combine_reversed_comparison_code).
5547         (combine_reversed_comparison_code): Remove.
5548         (reversed_comparison): Using reversed_comparison_code, move it...
5549         * jump.c (reversed_comparison): ... here.
5550         * rtl.h (reversed_comparison): Add prototype.
5551
5552 2005-03-21  Kazu Hirata  <kazu@cs.umass.edu>
5553
5554         * builtins.c (fold_builtin): Take decomposed arguments of
5555         CALL_EXPR.
5556         * fold-const.c (fold_ternary): Update a call to fold_builtin.
5557         * gimplify.c (gimplify_call_expr): Likewise.
5558         * tree-ssa-ccp.c (ccp_fold, ccp_fold_builtin): Likewise.
5559         * tree.h: Update the prototype of fold_builtin.
5560
5561 2005-03-21  Paolo Bonzini  <bonzini@gnu.org>
5562
5563         * rtl.h (struct rtx_hooks): Add gen_lowpart_no_emit.
5564         * rtlhooks.c (gen_lowpart_no_emit_general): New.
5565         * rtlhooks-def.h (gen_lowpart_no_emit_general): Declare.
5566         (RTL_HOOKS_GEN_LOWPART_NO_EMIT): New.
5567         * simplify-rtx.c (simplify_binary_operation_1): Use it.
5568
5569 2005-03-21  Kazu Hirata  <kazu@cs.umass.edu>
5570
5571         * builtins.c (fold_builtin_1): Take decomposed arguments of
5572         CALL_EXPR.
5573         (fold_builtin): Update a call to fold_builtin_1.
5574
5575 2005-03-21  Nathan Sidwell  <nathan@codesourcery.com>
5576
5577         PR other/20564
5578         * gcov.c (output_lines): Only output function block summary when
5579         outputting branch information.
5580         * doc/gcov.texi: Document format of preamble and additional block
5581         information lines.
5582
5583 2005-03-21  Richard Sandiford  <rsandifo@redhat.com>
5584
5585         * libgcc2.h (LIBGCC2_HAS_SF_MODE): New macro.
5586         (LIBGCC2_HAS_DF_MODE, LIBGCC2_HAS_TF_MODE, LIBGCC2_HAS_XF_MODE): Make
5587         the defaults false if BITS_PER_UNIT != 8.
5588         (SFtype, SCtype, __fixsfdi, __floatdisf, __fixunssfSI, __fixunssfDI)
5589         (__powisf2, __divsc3, __mulsc3): Guard with LIBGCC2_HAS_SF_MODE rather
5590         than BITS_PER_UNIT != 8.
5591         (L_fixdfdi, L_fixsfdi, L_fixtfdi, L_fixunsdfdi, L_fixunsdfsi)
5592         (L_fixunssfdi, L_fixunssfsi, L_fixunstfdi, L_fixunsxfdi, L_fixunsxfsi)
5593         (L_fixxfdi, L_floatdidf, L_floatdisf, L_floatditf, L_floatdixf): Remove
5594         #undefs.
5595         * libgcc2.c (__fixunssfDI, __fixsfdi, __floatdisf, __fixunssfSI)
5596         (__powisf2, __divsc3, __mulsc3): Guard with LIBGCC2_HAS_SF_MODE.
5597
5598 2005-03-20  Roger Sayle  <roger@eyesopen.com>
5599
5600         PR middle-end/20539
5601         * fold-const.c (fold_binary): Fix type mismatch between
5602         TRUTH_{AND,OR,XOR}_EXPR nodes an their operands' types.
5603         (fold_binary) <TRUTH_XOR_EXPR>: Avoid calling invert_truthvalue
5604         for non-truth-valued expressions.
5605
5606         * c-common.c (c_common_truthvalue_conversion): Handle ERROR_MARK
5607         and FUNCTION_DECL in the main switch.
5608         <TRUTH_ANDIF_EXPR, TRUTH_ORIF_EXPR, TRUTH_AND_EXPR, TRUTH_OR_EXPR,
5609         TRUTH_XOR_EXPR>: When changing the result type of these tree nodes,
5610         we also need to convert their operands to match.
5611         <TRUTH_NOT_EXPR>: Likewise.
5612
5613 2005-03-21  Joseph S. Myers  <joseph@codesourcery.com>
5614
5615         * c-common.c (lvalue_or_else): Replace by lvalue_error; only give
5616         diagnostic without checking whether an lvalue.
5617         * c-common.h (lvalue_p): Remove.
5618         (enum lvalue_use): Update comment.
5619         (lvalue_or_else): Replace by lvalue_error.
5620         * c-typeck.c (lvalue_p): Make static.
5621         (lvalue_or_else): New.  Call lvalue_error.
5622
5623 2005-03-21  Alan Modra  <amodra@bigpond.net.au>
5624
5625         * config/rs6000/rs6000.c (rs6000_parm_start): New function.
5626         (function_arg_advance): Use rs6000_parm_start.
5627         (function_arg, rs6000_arg_partial_bytes): Likewise.
5628
5629 2005-03-20  Joseph S. Myers  <joseph@codesourcery.com>
5630
5631         * c-common.c (check_case_value): Adjust comment about stripping
5632         NOPs.
5633         (handle_vector_size_attribute): Don't strip NON_LVALUE_EXPR.
5634         * c-typeck.c (default_conversion, convert_arguments,
5635         build_modify_expr, convert_for_assignment, store_init_value,
5636         digest_init): Use STRIP_TYPE_NOPS instead of stripping nops
5637         manually.  Remove inaccurate comments.
5638
5639 2005-03-20  Roger Sayle  <roger@eyesopen.com>
5640             Joseph S. Myers  <joseph@codesourcery.com>
5641
5642         * varasm.c (do_assemble_alias): Restore comment describing function.
5643         Annotate the target parameter as potentially unused.
5644
5645 2005-03-20  Marek Michalkiewicz  <marekm@amelek.gda.pl>
5646
5647         PR target/18551
5648         * config/avr/avr.c (avr_output_function_prologue): Do not use
5649         current_function_name() in a label, use a local label instead.
5650
5651 2005-03-20  David Edelsohn  <edelsohn@gnu.org>
5652
5653         * config/rs6000/rs6000.c (rs6000_generate_compare): Test
5654         flag_finite_math_only, not flag_unsafe_math_optimizations.
5655
5656 2005-03-20  Kazu Hirata  <kazu@cs.umass.edu>
5657
5658         * builtins.c (fold_builtin_1): Update a call to
5659         targetm.fold_builtin.
5660         * hooks.c (hook_tree_tree_bool_null): Rename to
5661         hook_tree_tree_tree_bool_null.  Take one more argument of type
5662         tree.
5663         * hooks.h: Update the prototype of hook_tree_tree_bool_null.
5664         * target-def.h (TARGET_FOLD_BUILTIN): Define it as
5665         hook_tree_tree_tree_bool_null.
5666         * target.h (gcc_target): Update the prototype of fold_builtin.
5667         * config/alpha/alpha.c (alpha_fold_builtin): Take decomposed
5668         arguments of CALL_EXPR.
5669         * doc/tm.texi (TARGET_FOLD_BUILTIN): Update.  Mention the
5670         new prototype.
5671
5672 2005-03-20  Jan Hubicka  <jh@suse.cz>
5673
5674         * cgraph.h (cgraph_node): Add prev_clone pointer.
5675         * cgraph.c (cgraph_remove_node): Remove from doubly linked chain.
5676         (cgraph_clone_node): Produce doubly linked chain.
5677
5678 2005-03-20  Joseph S. Myers  <joseph@codesourcery.com>
5679
5680         * c-common.c (handle_aligned_attribute, check_function_sentinel,
5681         get_nonnull_operand, handle_sentinel_attribute,
5682         check_function_arguments_recurse): Do not strip NOPS from
5683         INTEGER_CSTs.
5684         * c-decl.c (check_bitfield_type_and_width, build_enumerator):
5685         Likewise.
5686         * c-format.c (get_constant): Likewise.
5687         * c-parser.c (c_parser_postfix_expression): Likewise.
5688         * c-typeck.c (set_init_index): Likewise.
5689         (convert_arguments): Don't check for NOP_EXPR containing integer
5690         constant.
5691
5692 2005-03-20  Kazu Hirata  <kazu@cs.umass.edu>
5693
5694         * builtins.c (fold_fixed_mathfn, fold_builtin_trunc,
5695         fold_builtin_floor, fold_builtin_ceil, fold_builtin_lround):
5696         Take decomposed arguments of CALL_EXPR.
5697         (fold_builtin_1): Update calls to the functions mentioned
5698         above.
5699
5700 2005-03-20  Joseph S. Myers  <joseph@codesourcery.com>
5701
5702         * c-decl.c (check_bitfield_type_and_width): Require bit-field
5703         width to have integer type.
5704         (build_enumerator): Require enumerator value to have integer type.
5705
5706 2005-03-19  Joseph S. Myers  <joseph@codesourcery.com>
5707
5708         * doc/extend.texi (__builtin_inf): Move statement about INFINITY
5709         to __builtin_inff.
5710
5711 2005-03-19  Joseph S. Myers  <joseph@codesourcery.com>
5712
5713         * c.opt (ansi, std=iso9899:1990, std=iso9899:1999,
5714         std=iso9899:199x): Correct descriptions.
5715
5716 2005-03-19  Joseph S. Myers  <joseph@codesourcery.com>
5717
5718         * config.gcc: Consistently use solaris2.1[0-9]* instead of
5719         solaris2.1[0-9].
5720
5721 2005-03-19  Kazu Hirata  <kazu@cs.umass.edu>
5722
5723         * builtins.c (fold_builtin_memcpy): Take decomposed arguments
5724         of CALL_EXPR.
5725         (expand_builtin_memcpy, fold_builtin_1): Update calls to
5726         fold_builtin_memcpy.
5727
5728         * builtins.c (fold_trunc_transparent_mathfn): Take decomposed
5729         arguments of CALL_EXPR.
5730         (fold_builtin_trunc, fold_builtin_floor, fold_builtin_ceil,
5731         fold_builtin_found, fold_builtin_1): Update calls to
5732         fold_trunc_transparent_mathfn.
5733
5734 2005-03-19  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
5735
5736         PR middle-end/20493
5737         * fold-const.c (fold_widened_comparison): Don't optimize casts of
5738         function pointers on targets that require function pointer
5739         canonicalization.
5740         (fold_sign_changed_comparison): Likewise.
5741
5742 2005-03-19  Bernd Schmidt  <bernd.schmidt@analog.com>
5743
5744         * combine.c (try_combine): When changing the mode of a hard reg, make
5745         sure that doing so is valid.
5746
5747 2005-03-19  Richard Sandiford  <rsandifo@redhat.com>
5748
5749         * config/avr/avr.c (avr_init_stack, avr_mcu_name): Make static.
5750         (TARGET_HANDLE_OPTION): Override default.
5751         (avr_handle_option): New function.
5752         * config/avr/avr.h (MASK_ALL_DEBUG, MASK_ORDER_1, MASK_INSN_SIZE_DUMP)
5753         (MASK_ORDER_2, MASK_NO_TABLEJUMP, MASK_INT8, MASK_NO_INTERRUPTS)
5754         (MASK_CALL_PROLOGUES, MASK_TINY_STACK, MASK_SHORT_CALLS)
5755         (TARGET_ORDER_1, TARGET_ORDER_2, TARGET_INT8, TARGET_NO_INTERRUPTS)
5756         (TARGET_INSN_SIZE_DUMP, TARGET_CALL_PROLOGUES, TARGET_TINY_STACK)
5757         (TARGET_NO_TABLEJUMP, TARGET_SHORT_CALLS, TARGET_ALL_DEBUG)
5758         (TARGET_SWITCHES, avr_init_stack, avr_mcu_name)
5759         (TARGET_OPTIONS): Delete.
5760         * config/avr/avr.opt: New file.
5761
5762 2005-03-18  2005-03-18  Kazu Hirata  <kazu@cs.umass.edu>
5763
5764         * config/m32r/m32r-protos.h: Remove the prototypes for
5765         call_address_operand, symbolic_operand, seth_add3_operand,
5766         cmp_int16_operand, uint16_operand, reg_or_int16_operand,
5767         reg_or_uint16_operand, reg_or_cmp_int16_operand,
5768         two_insn_const_operand, move_src_operand,
5769         move_double_src_operand, move_dest_operand,
5770         eqne_comparison_operator, signed_comparison_operator,
5771         large_insn_p, conditional_move_operand, carry_compare_operand,
5772         m32r_block_immediate_operand, extend_operand,
5773         reg_or_eq_int16_operand, int8_operand, and
5774         reg_or_zero_operand.
5775         * config/m32r/m32r.c (call_address_operand, symbolic_operand,
5776         seth_add3_operand, int8_operand, cmp_int16_operand,
5777         uint16_operand, reg_or_int16_operand, reg_or_uint16_operand,
5778         reg_or_eq_int16_operand, reg_or_cmp_int16_operand,
5779         reg_or_zero_operand, two_insn_const_operand, move_src_operand,
5780         move_double_src_operand, move_dest_operand,
5781         eqne_comparison_operator, signed_comparison_operator,
5782         extend_operand, small_insn_p, large_insn_p,
5783         conditional_move_operand, carry_compare_operand,
5784         m32r_block_immediate_operand): Move to predicates.md.
5785         (MAX_MOVE_BYTES): Move to m32r.h.
5786         * config/m32r/m32r.h (PREDICATE_CODES): Remove.
5787         * config/m32r/m32r.md: Include predicates.md.
5788         * config/m32r/predicates.md: New.
5789
5790 2005-03-18  James E Wilson  <wilson@specifixinc.com>
5791
5792         PR c++/19769
5793         * dwarf2out.c (declare_in_namespace): Ignore decls with an abstract
5794         origin.
5795
5796 2005-03-18  Kazu Hirata  <kazu@cs.umass.edu>
5797
5798         * config/mn10300/mn10300-protos.h: Remove the prototypes for
5799         call_address_operand, const_8bit_operand.
5800         * config/mn10300/mn10300.c (call_address_operand,
5801         const_8bit_operand, const_1f_operand): Move to predicates.md.
5802         * config/mn10300/mn10300.h (PREDICATE_CODES): Remove.
5803         * config/mn10300/mn10300.md: Include predicates.md.
5804         * config/mn10300/predicates.md: New.
5805
5806 2005-03-18  Joseph S. Myers  <joseph@codesourcery.com>
5807
5808         * c-common.c, c-decl.c, c-format.c, c-typeck.c: Use %D for
5809         declarations in diagnostics and %E for identifiers, not %s.
5810
5811 2005-03-18  Jan Hubicka  <jh@suse.cz>
5812             Dale Johannesen  <dalej@apple.com>
5813
5814         * basic-block.h (scale_bbs_frequencies_int,
5815         scale_bbs_frequencies_gcov_type): Declare.
5816         * cfg.c (RDIV): New macro.
5817         (update_bb_frequency_for_threading): Fix.
5818         * basic-block.h (scale_bbs_frequencies_int,
5819         scale_bbs_frequencies_gcov_type): New.
5820         * cfgloopmanip.c (scale_bbs_frequencies): Kill.
5821         (scale_loop_frequencies, duplicate_loop_to_header_edge): Use
5822         scale_bbs_frequencies_int.
5823         * tree-ssa-loop-ch.c (copy_loop_headers): Fix profiling info.
5824
5825 2005-03-18  Kazu Hirata  <kazu@cs.umass.edu>
5826
5827         * config/m32r/m32r-protos.h: Remove the prototypes for
5828         call_address_operand, symbolic_operand, seth_add3_operand,
5829         cmp_int16_operand, uint16_operand, reg_or_int16_operand,
5830         reg_or_uint16_operand, reg_or_cmp_int16_operand,
5831         two_insn_const_operand, move_src_operand,
5832         move_double_src_operand, move_dest_operand,
5833         eqne_comparison_operator, signed_comparison_operator,
5834         large_insn_p, conditional_move_operand, carry_compare_operand,
5835         m32r_block_immediate_operand, extend_operand,
5836         reg_or_eq_int16_operand, int8_operand, and
5837         reg_or_zero_operand.
5838         * config/m32r/m32r.c (call_address_operand, symbolic_operand,
5839         seth_add3_operand, int8_operand, cmp_int16_operand,
5840         uint16_operand, reg_or_int16_operand, reg_or_uint16_operand,
5841         reg_or_eq_int16_operand, reg_or_cmp_int16_operand,
5842         reg_or_zero_operand, two_insn_const_operand, move_src_operand,
5843         move_double_src_operand, move_dest_operand,
5844         eqne_comparison_operator, signed_comparison_operator,
5845         extend_operand, small_insn_p, large_insn_p,
5846         conditional_move_operand, carry_compare_operand,
5847         m32r_block_immediate_operand): Move to predicates.md.
5848         (MAX_MOVE_BYTES): Move to m32r.h.
5849         * config/m32r/m32r.h (PREDICATE_CODES): Remove.
5850         * config/m32r/m32r.md: Include predicates.md.
5851         * config/m32r/predicates.md: New.
5852
5853         * config/pa/pa-protos.h: Add prototypes for magic_milli and
5854         shadd_constant_p.
5855         * config/pa/pa.c (reg_or_0_operand, call_operand_address,
5856         symbolic_operand, symbolic_memory_operand,
5857         reg_or_0_or_nonsymb_mem_operand, reg_before_reload_operand,
5858         indexed_memory_operand, move_dest_operand, move_src_operand,
5859         prefetch_cc_operand, prefetch_nocc_operand,
5860         reg_or_cint_move_operand, pic_label_operand, fp_reg_operand,
5861         arith_operand, arith11_operand, pre_cint_operand,
5862         post_cint_operan, arith_double_operand, ireg_or_int5_operand,
5863         ireg_operand, int5_operand, uint5_operand, int11_operand,
5864         uint32_operand, arith5_operand, and_operand, ior_operand,
5865         lhs_lshift_operand, lhs_lshift_cint_operand, arith32_operand,
5866         pc_or_label_operand, div_operand, plus_xor_ior_operator,
5867         shadd_operand, movb_comparison_operator,
5868         cmpib_comparison_operator): Move to predicates.md.
5869         (magic_milli, shadd_constant_p): Make it extern.
5870         * config/pa/pa.h (PREDICATE_CODES): Remove.
5871         * config/pa/pa.md: Include predicates.md.
5872         * config/pa/predicates.md: New.
5873
5874         * config/v850/v850.h (PREDICATE_CODES): Remove a nonexistent
5875         predicate.
5876
5877 2005-03-18  Kazu Hirata  <kazu@cs.umass.edu>
5878
5879         * hooks.c, hooks.h, intl.c, opts.h, prefix.c, tree-gimple.c,
5880         config/alpha/ev4.md, config/alpha/ev5.md, config/alpha/ev6.md,
5881         config/alpha/freebsd.h, config/alpha/linux.h,
5882         config/alpha/netbsd.h, config/alpha/osf5.h,
5883         config/alpha/vms.h, config/arc/arc.c, config/arc/arc.h,
5884         config/h8300/h8300-protos.h, config/h8300/h8300.c,
5885         config/h8300/h8300.h, config/ia64/unwind-ia64.c,
5886         doc/cppopts.texi: Update copyright.
5887
5888 2005-03-18  Jan Hubicka  <jh@suse.cz>
5889
5890         PR middle-end/20225
5891         * cgraph.c (cgraph_mark_reachable_node): Assert that it is not called
5892         too late.
5893         * varasm.c (find_decl_and_mark_needed): Mark needed only when not
5894         called too late.
5895
5896 2005-03-18  Kazu Hirata  <kazu@cs.umass.edu>
5897
5898         * tree-into-ssa.c (find_idf): Use VEC_quick_push instead of
5899         VEC_safe_push.
5900
5901 2005-03-18  Paolo Bonzini  <bonzini@gnu.org>
5902
5903         * combine.c (gen_binary): Remove.
5904         (known_cond, simplify_shift_const, find_split_point,
5905         combine_simplify_rtx, simplify_if_then_else, simplify_set,
5906         simplify_logical, expand_field_assignment, extract_left_shift,
5907         force_to_mode, if_then_else_cond, apply_distributive_law,
5908         simplify_and_const_int, simplify_shift_const, gen_lowpart_for_combine,
5909         simplify_comparison, reversed_comparison): Replace with
5910         simplify_gen_binary, simplify_gen_relational or
5911         distribute_and_simplify_rtx.
5912         (distribute_and_simplify_rtx): New function.
5913
5914 2005-03-18  Alexey Neyman  <alex.neyman@auriga.ru>
5915             Paolo Bonzini  <gcc.gnu.org>
5916
5917         * calls.c (setjmp_call_p, special_function_p): Update comments
5918         at the head of the functions.
5919
5920 2005-03-18  Jan Hubicka  <jh@suse.cz>
5921
5922         * tree-cfg.c (fold_cond_expr_cond): Use boolean types for condition.
5923
5924         * cgraph.c (cgraph_remove_node): Avoid loop in code deciding whether
5925         function body should be released; do not proactively release function
5926         bodies in non-unit-at-a-time mode.
5927
5928 2005-03-18  Ralf Corsepius  <ralf.corsepius@rtems.org>
5929
5930         * config/i386/t-rtems-i386 (MULTILIBS): Remove k6, athlon,
5931         mno-fp-ret-in-387 multilib variants.
5932
5933 2005-03-18  Richard Sandiford  <rsandifo@redhat.com>
5934
5935         * common.opt (m): Remove.
5936         * opts.c (handle_option): Pass 'm' options to set_target_switch if
5937         table lookup fails.
5938         (common_handle_option): Remove OPT_m case.
5939
5940 2005-03-18  Kazu Hirata  <kazu@cs.umass.edu>
5941
5942         * builtins.c (fold_builtin_bitop): Take decomposed arguments
5943         of CALL_EXPR.
5944         (fold_builtin_1): Update a call to fold_builtin_bitop.
5945
5946         * builtins.c (fold_builtin_signbit): Take decomposed arguments
5947         of CALL_EXPR.
5948         (fold_builtin_1): Update a call to fold_builtin_signbit.
5949
5950 2005-03-17  Dorit Naishlos  <dorit@il.ibm.com>
5951
5952         PR tree-optimization/20474
5953         * tree-vect-analyze.c (vect_analyze_pointer_ref_access): Check the
5954         size_type of the relevant pointer. Check for COMPLETE_TYPE_P.
5955
5956 2005-03-17  Kazu Hirata  <kazu@cs.umass.edu>
5957
5958         * config/h8300/h8300-protos.h: Remove prototypes for
5959         general_operand_src, general_operand_dst, single_one_operand,
5960         single_zero_operand, call_insn_operand,
5961         two_insn_adds_subs_operand, small_call_insn_operand,
5962         jump_address_operand, bit_operand, bit_memory_operand,
5963         stack_pointer_operand, const_int_gt_2_operand,
5964         const_int_ge_8_operand, const_int_qi_operand,
5965         const_int_hi_operand, incdec_operand, bit_operator,
5966         nshift_operator, eqne_operator, gtle_operator,
5967         gtuleu_operator, iorxor_operator.
5968         Add prototypes for h8sx_shift_type h8sx_classify_shift and
5969         h8300_ldm_stm_parallel.
5970         * config/h8300/h8300.c (h8sx_shift_type,): Move to
5971         h8300-protos.h.
5972         (SYMBOL_FLAG_FUNCVEC_FUNCTION, SYMBOL_FLAG_EIGHTBIT_DATA,
5973         SYMBOL_FLAG_TINY_DATA): Move to h8300.h.
5974         (h8300_ldm_stm_parallel): Make it extern.
5975         (h8300_ldm_parallel, h8300_stm_parallel,
5976         h8300_return_parallel, general_operand_src,
5977         general_operand_dst, h8300_dst_operand, h8300_src_operand,
5978         nibble_operand, reg_or_nibble_operand, single_one_operand,
5979         single_zero_operand, call_insn_operand,
5980         two_insn_adds_subs_operand, small_call_insn_operand,
5981         jump_address_operand, bit_operand, bit_memory_operand,
5982         stack_pointer_operand, const_int_gt_2_operand,
5983         const_int_ge_8_operand, const_int_qi_operand,
5984         const_int_hi_operand, incdec_operand, eqne_operator,
5985         gtle_operator, gtuleu_operator, iorxor_operator, bit_operator,
5986         h8sx_binary_memory_operator, h8sx_unary_memory_operator,
5987         h8sx_unary_shift_operator, h8sx_binary_shift_operator,
5988         nshift_operator): Move to predicates.md.
5989         * config/h8300/h8300.h (PREDICATE_CODES): Remove.
5990         * config/h8300/h8300.md: Include predicates.md.
5991         * config/h8300/predicates.md: New.
5992
5993 2005-03-17  Richard Henderson  <rth@redhat.com>
5994
5995         * config.gcc (ia64*-*-hpux*): Add extra_options.
5996         * config/ia64/hpux.h (SUBTARGET_SWITCHES): Remove.
5997         (TARGET_DEFAULT): Remove MASK_INLINE_FLOAT_DIV_THR.
5998         * config/ia64/ia64.c (ia64_fixed_range_string): Remove.
5999         (ia64_tls_size_string, ia64_tune_string): Remove.
6000         (ia64_tune): Init to PROCESSOR_ITANIUM2.
6001         (TARGET_DEFAULT_TARGET_FLAGS): New.
6002         (TARGET_HANDLE_OPTION): New.
6003         (ia64_override_options): Move options parsing ...
6004         (ia64_handle_option): ... here.  New.
6005         * config/ia64/ia64.h (target_flags, MASK_BIG_ENDIAN, MASK_GNU_AS,
6006         MASK_GNU_LD, MASK_NO_PIC, MASK_VOL_ASM_STOP, MASK_ILP32,
6007         MASK_REG_NAMES, MASK_NO_SDATA, MASK_CONST_GP, MASK_AUTO_PIC,
6008         MASK_INLINE_FLOAT_DIV_LAT, MASK_INLINE_FLOAT_DIV_THR,
6009         MASK_INLINE_INT_DIV_LAT, MASK_INLINE_INT_DIV_THR,
6010         MASK_INLINE_SQRT_LAT, MASK_INLINE_SQRT_THR, MASK_DWARF2_ASM,
6011         MASK_EARLY_STOP_BITS, TARGET_BIG_ENDIAN, TARGET_GNU_AS, TARGET_GNU_LD,
6012         TARGET_NO_PIC, TARGET_VOL_ASM_STOP, TARGET_ILP32, TARGET_REG_NAMES,
6013         TARGET_NO_SDATA, TARGET_CONST_GP, TARGET_AUTO_PIC,
6014         TARGET_INLINE_FLOAT_DIV_LAT, TARGET_INLINE_FLOAT_DIV_THR,
6015         TARGET_INLINE_INT_DIV_LAT, TARGET_INLINE_INT_DIV_THR,
6016         TARGET_INLINE_FLOAT_DIV, TARGET_INLINE_INT_DIV, TARGET_INLINE_SQRT_LAT,
6017         TARGET_INLINE_SQRT_THR, TARGET_INLINE_SQRT, TARGET_DWARF2_ASM,
6018         TARGET_EARLY_STOP_BITS): Remove.
6019         (TARGET_ILP32): Default false.
6020         (TARGET_SWITCHES, SUBTARGET_SWITCHES, TARGET_OPTIONS): Remove.
6021         (enum ia64_inline_type): New.
6022         (TARGET_DEFAULT): Remove MASK_INLINE_FLOAT_DIV_THR.
6023         * config/ia64/ia64.md: Update for new definitions of
6024         TARGET_INLINE_INT_DIV, TARGET_INLINE_FLOAT_DIV, TARGET_INLINE_SQRT.
6025         * config/ia64/ia64.opt: New file.
6026         * config/ia64/ilp32.opt: New file.
6027
6028 2005-03-17  H.J. Lu  <hongjiu.lu@intel.com>
6029
6030         PR target/18380
6031         * config/ia64/unwind-ia64.c (_Unwind_FindTableEntry): Removed.
6032
6033 2005-03-17  Kazu Hirata  <kazu@cs.umass.edu>
6034
6035         * config/h8300/h8300.c (h8300_init_once): Use MASK_H8300S_1
6036         instead of MASK_H8300S.
6037         * config/h8300/h8300.h (target_flags, MASK_H8300S, MASK_MAC,
6038         MASK_INT32, MASK_ADDRESSES, MASK_QUICKCALL, MASK_SLOWBYTE,
6039         MASK_NORMAL_MODE, MASK_RELAX, MASK_H8300H, MASK_ALIGN_300,
6040         MASK_H8300SX, TARGET_INT32, TARGET_ADDRESSES,
6041         TARGET_QUICKCALL, TARGET_SLOWBYTE, TARGET_H8300H,
6042         TARGET_H8300XS, TARGET_NORMAL_MODE, TARGET_ALIGN_300,
6043         TARGET_SWITCHES): Remove.
6044         (TARGET_H8300S): Redefine interms of TARGET_H8300S_1 and
6045         TARGET_H8300SX.
6046         * config/h8300/h8300.opt: New.
6047
6048         * config/alpha/alpha.opt, config/arc/arc.opt,
6049         config/h8300/h8300.opt, config/mips/mips.opt: Add copyright
6050         notices.
6051
6052 2005-03-17  Ian Lance Taylor  <ian@airs.com>
6053
6054         * gmon.c: Remove.
6055
6056 2005-03-17  Richard Sandiford  <rsandifo@redhat.com>
6057
6058         * config/arc/arc.c (arc_cpu_string): Make static.  Default to "base"
6059         (arc_text_string, arc_data_string, arc_rodata_string): Make static.
6060         (TARGET_HANDLE_OPTION): Override default.
6061         (arc_handle_option): New function.
6062         (arc_init): Remove code to set arch_cpu_string.
6063         * config/arc/arc.h (target_flags, TARGET_MASK_MANGLE_CPU)
6064         (TARGET_MANGLE_CPU, TARGET_MASK_MANGLE_CPU_LIBGCC)
6065         (TARGET_MANGLE_CPU_LIBGCC, TARGET_MASK_ALIGN_LOOPS, TARGET_ALIGN_LOOPS)
6066         (TARGET_MASK_BIG_ENDIAN, TARGET_BIG_ENDIAN, TARGET_MASK_NO_COND_EXEC)
6067         (TARGET_NO_COND_EXEC, TARGET_SWITCHES, TARGET_DEFAULT)
6068         (SUBTARGET_SWITCHES, arc_cpu_string, arc_text_string, arc_data_string)
6069         (arc_rodata_string, TARGET_OPTIONS): Delete.
6070         * config/arc/arc.opt: New file.
6071
6072 2005-03-17  Richard Henderson  <rth@redhat.com>
6073
6074         * doc/extend.texi (Weak Pragmas): New section.
6075         (attribute alias): Clarify that target must be in the same
6076         translation unit.
6077
6078 2005-03-17  Richard Henderson  <rth@redhat.com>
6079
6080         * config/alpha/alpha.opt: New file.
6081         * config/alpha/alpha.c (alpha_tune): New.  Rename all existing uses
6082         of alpha_cpu.
6083         (alpha_cpu_string, alpha_tune_string, alpha_tp_string,
6084         alpha_fprm_string, alpha_fptm_string): Make static.
6085         (alpha_tls_size_string): Remove.
6086         (alpha_handle_option): New.
6087         (override_options): Update for alpha_cpu/alpha_tune split.
6088         (alpha_file_start): Likewise.
6089         (TARGET_DEFAULT_TARGET_FLAGS): New.
6090         (TARGET_HANDLE_OPTION): New.
6091         * config/alpha/alpha.h (alpha_tune): Declare.
6092         (MASK_FP, MASK_FPREGS, TARGET_FPREGS, MASK_GAS, TARGET_GAS,
6093         MASK_IEEE_CONFORMANT, TARGET_IEEE_CONFORMANT, MASK_IEEE, TARGET_IEEE,
6094         MASK_IEEE_WITH_INEXACT, TARGET_IEEE_WITH_INEXACT, MASK_BUILD_CONSTANTS,
6095         TARGET_BUILD_CONSTANTS, MASK_FLOAT_VAX, TARGET_FLOAT_VAX, MASK_BWX,
6096         TARGET_BWX, MASK_MAX, TARGET_MAX, MASK_FIX, TARGET_FIX, MASK_CIX,
6097         TARGET_CIX, MASK_EXPLICIT_RELOCS, TARGET_EXPLICIT_RELOCS,
6098         MASK_SMALL_DATA, TARGET_SMALL_DATA, MASK_TLS_KERNEL, TARGET_TLS_KERNEL,
6099         MASK_SMALL_TEXT, TARGET_SMALL_TEXT, MASK_LONG_DOUBLE_128,
6100         TARGET_LONG_DOUBLE_128, MASK_CPU_EV5, TARGET_CPU_EV5, MASK_CPU_EV6,
6101         TARGET_CPU_EV6, MASK_SUPPORT_ARCH): Remove.
6102         (TARGET_SWITCHES, TARGET_OPTIONS): Remove.
6103         (TARGET_DEFAULT): Remove MASK_FP.
6104         (TARGET_FP): Redefined based on TARGET_SOFT_FP.
6105         (TARGET_SUPPORT_ARCH): Default on if HAVE_AS_EXPLICIT_RELOCS.
6106         (alpha_cpu_string, alpha_tune_string, alpha_fprm_string,
6107         alpha_fptm_string, alpha_tp_string, alpha_mlat_string,
6108         alpha_tls_size_string): Remove.
6109         * config/alpha/alpha.md (prefetch): Use alpha_cpu.
6110         (attribute tune): Rename from attribute cpu.
6111         * config/alpha/ev4.md: Update to match.
6112         * config/alpha/ev5.md, config/alpha/ev6.md: Likewise.
6113         * config/alpha/freebsd.h (TARGET_DEFAULT): Remove MASK_FP.
6114         * config/alpha/linux.h (TARGET_DEFAULT): Likewise.
6115         * config/alpha/netbsd.h (TARGET_DEFAULT): Likewise.
6116         * config/alpha/osf5.h (TARGET_DEFAULT): Likewise.
6117         * config/alpha/vms.h (TARGET_DEFAULT): Likewise.
6118
6119 2005-03-16  James E. Wilson  <wilson@specifixinc.com>
6120
6121         * config/ia64/ia64.c (issue_nops_and_insn): Check first_insn attribute,
6122         and return without creating new state if before_nops_num is nonzero.
6123         * config/ia64/ia64.md (first_insn): New attribute.
6124         (alloc): Set it to yes.
6125
6126 2005-03-16  Daniel Berlin  <dberlin@dberlin.org>
6127
6128         * tree-vectorizer.c (new_vec_stmt_info): Initialize
6129         STMT_VINFO_SUBVARS to NULL.
6130         * tree-vect-analyze.c (vect_analyze_data_refs): Ditto.
6131
6132 2005-03-16 Dale Johannesen  <dalej@apple.com>
6133
6134         * rtlanal.c (find_first_parameter_load):  Rewrite to
6135         return actual first param load or the call if none,
6136         instead of first in block, when not all loads exist.
6137
6138 2005-03-16  Roger Sayle  <roger@eyesopen.com>
6139
6140         * optabs.c (expand_copysign_absneg): Make static.
6141         * optabs.h (expand_copysign_absneg): Delete prototype.
6142         * config/rs6000/rs6000.md (copysigntf3): Delete pattern.
6143
6144 2005-03-16  Richard Henderson  <rth@redhat.com>
6145
6146         PR middle-end/15700
6147         * varasm.c (struct alias_pair): Rename from struct output_def_pair.
6148         (alias_pairs): Rename from output_defs.
6149         (find_decl_and_mark_needed): Split out from assemble_alias.
6150         (do_assemble_alias): New.
6151         (assemble_output_def): Remove.
6152         (finish_aliases_1, finish_aliases_2): New.
6153         (process_pending_assemble_output_defs): Remove.
6154         (assemble_alias): Defer aliases for which we don't yet have a
6155         non-external decl for the target symbol.
6156         * passes.c (rest_of_decl_compilation): Register variables with cgraph.
6157         * cgraphunit.c (cgraph_finalize_compilation_unit): Use finish_aliases_1.
6158         * toplev.c (compile_file): Use finish_aliases_2 instead of
6159         process_pending_assemble_output_defs.
6160         * tree.h (finish_aliases_1, finish_aliases_2): Declare.
6161         (process_pending_assemble_output_defs): Remove.
6162
6163 2005-03-16  Daniel Berlin  <dberlin@dberlin.org>
6164
6165         Fix PR tree-optimization/20489
6166
6167         * tree-ssa-alias.c (push_fields_onto_fieldstack): DTRT
6168         for empty structures.
6169
6170 2005-03-16  Daniel Berlin  <dberlin@dberlin.org>
6171
6172         Fix PR tree-optimization/20490
6173
6174         * tree-ssa-pre.c (create_expression_by_pieces): Use
6175         force_gimple_operand on result of fold.
6176
6177 2005-03-16  Andrew Pinski  <pinskia@physics.uc.edu>
6178
6179         * config/i386/emmintrin.h (_mm_extract_epi16): Correct the number
6180         of closing parenthesis.
6181
6182 2005-03-16  Kazu Hirata  <kazu@cs.umass.edu>
6183
6184         * builtins.c (expand_movstr): Update a call to
6185         fold_builtin_strcpy.
6186         (expand_builtin_strncpy): Update a call to
6187         fold_builtin_strncpy.
6188         (fold_builtin_strcpy, fold_builtin_strncpy): Take decomosed
6189         arguments of CALL_EXPR.
6190         (fold_builtin_1): Update calls to fold_builtin_strcpy and
6191         fold_builtin_strncpy.
6192         * tree-ssa-ccp.c (ccp_fold_builtin): Likewise.
6193         * tree.h: Update the prototypes of fold_builtin_strcpy and
6194         fold_builtin_strncpy.
6195
6196 2005-03-16  Steven Bosscher  <stevenb@suse.de>
6197             Dorit Naishlos  <dorit@il.ibm.com>
6198
6199         * tree-vect-analyze.c (vect_enhance_data_refs_alignment): Copy
6200         UNITS_PER_SIMD_WORD to a local variable to avoid a "division by zero"
6201         error.
6202
6203 2005-03-16  Steven Bosscher  <stevenb@suse.de>
6204
6205         * tree-inline.c (walk_type_fields, walk_tree,
6206         walk_tree_without_duplicates): Move from here...
6207         * tree.c: ...to here.
6208
6209 2005-03-15  Zack Weinberg  <zack@codesourcery.com>
6210
6211         * BASE-VER, DATESTAMP, DEV-PHASE: New files.
6212         * Makefile.in (gcc_version, gcc_version_trigger, ): Delete.
6213         (BASEVER, DEVPHASE, DATESTAMP, BASEVER_c, DEVPHASE_c, DATESTAMP_c)
6214         (BASEVER_s, DEVPHASE_s, DATESTAMP_s): New variables.
6215         (version): Define using $(BASEVER_c).
6216         (Makefile, config.status, build/gcov-iov.o): No longer depends on
6217         version.c.
6218         (version.o): Depend on version files; add custom generation command.
6219         (prefix.o): Define BASEVER on command line.
6220         (s-iov): Depend on version files; adjust command.
6221         (TEXI_CPP_FILES, TEX_IGCC_FILES, TEXI_GCCINT_FILES, TEXI_CPPINT_FILES):
6222         Add gcc-vers.texi.
6223         (gcc-vers.texi): New rule.
6224         (doc/%.info, doc/%.dvi): Add -I . to command line.
6225         (doc/gccinstall.dvi): Likewise.
6226         (PACKAGE): Delete.  All uses replaced with "gcc".
6227         * aclocal.m4: Do not include gcc-version.m4.
6228         * configure.ac: Do not invoke TL_AC_GCC_VERSION.
6229         Do not AC_SUBST nor AC_DEFINE PACKAGE or VERSION.
6230         Set is_release based on contents of DEV-PHASE.
6231         Set gcc_version based on contents of BASE-VER.
6232         Define WIN32_REGISTRY_KEY only if the user overrode the default.
6233         * config.in, configure: Regenerate.
6234         * gccbug.in: Determine version of GCC in use at runtime.
6235         * gcov-iov.c: Get version number and development phase from
6236         command line, not by including version.c.
6237         * intl.c: Replace all uses of PACKAGE with "gcc".
6238         * libada-mk.in: Delete unused "gcc_version" variable.
6239         * prefix.c: Default WIN32_REGISTRY_KEY to BASEVER.
6240         * version.c: (VERSUFFIX): New hook for redistributors; adjust
6241         commentary to match.
6242         (version_string): Put together from pieces.
6243         * config/alpha/x-vms: Do not use $(gcc_version).
6244         * config/i386/t-nwld: Likewise.
6245         * doc/include/gcc-common.texi: Include gcc-vers.texi for
6246         version-GCC and DEVELOPMENT.
6247
6248 2005-03-15  Roger Sayle  <roger@eyesopen.com>
6249
6250         PR tree-optimization/17454
6251         * tree.c (tree_size): Add case for TREE_BINFO.
6252         * fold-const.c (fold_checksum_tree): Only clear the overloaded
6253         field TYPE_CACHED_VALUES if TYPE_CACHED_VALUES_P is set.
6254
6255 2005-03-15  Roger Sayle  <roger@eyesopen.com>
6256
6257         * optabs.c (expand_doubleword_mult): Avoid clobbering op0 and
6258         op1 whilst expanding the signed widenening multiply variant.
6259
6260 2005-03-15  Richard Sandiford  <rsandifo@redhat.com>
6261
6262         * toplev.c (display_target_options): Avoid unused variable warning if
6263         TARGET_SWITCHES and TARGET_OPTIONS are both undefined.
6264         * config/mips/mips.c (mips_arch_string, mips_tune_string): Make static.
6265         (mips_isa_string, mips_abi_string, mips_fix_vr4130_string): Delete.
6266         (mips_isa): Initialize to MIPS_ABI_DEFAULT.
6267         (mips_isa_info): New variable.
6268         (mips_parse_cpu): Remove the first argument and leave the caller
6269         to report errors.
6270         (TARGET_HANDLE_OPTION): Override default.
6271         (mips_handle_option): New function.  Move option validation code from...
6272         (override_options): ...here.  Update calls to mips_parse_cpu.
6273         * config/mips/mips.h (mips_arch_string, mips_tune_string)
6274         (mips_isa_string, mips_abi_string, TARGET_OPTIONS)
6275         (SUBTARGET_TARGET_OPTIONS): Delete.
6276         * config/mips/mips.opt (mabi=, march=, mflush-func=, mips)
6277         (mno-flush-func, mtune=): New options.
6278
6279 2005-03-15  Roger Sayle  <roger@eyesopen.com>
6280             Richard Henderson  <rth@redhat.com>
6281
6282         * real.c (c4x_single_format, c4x_extended_format): Provide values
6283         for signbit_ro for c4x's single and extended floating point formats.
6284         * optabs.c (expand_copysign): Use the floating point format's
6285         signbit_ro for expanding via expand_copysign_absneg, and it's
6286         signbit_rw field for expanding via expand_copysign_bit.
6287
6288 2005-03-15  Dorit Naishlos  <dorit@il.ibm.com>
6289
6290         * tree-vectorizer.h (unknown_alignment_for_access_p): Replaced by
6291         known_alignment_for_access_p.
6292         (known_alignment_for_access_p): New.
6293         (do_peeling_for_alignment): Field made int instead of bool and renamed
6294         to peeling_for_alignment.
6295         (LOOP_DO_PEELING_FOR_ALIGNMENT): Renamed to LOOP_PEELING_FOR_ALIGNMENT.
6296         * tree-vect-analyze.c (vect_determine_vectorization_factor): New. This
6297         functionality used to be in vect_analyze_operations.
6298         (vect_analyze_operations): Code to determine vectorization factor was
6299         moved to vect_determine_vectorization_factor.
6300         (vect_enhance_data_refs_alignment): Update to correct alignment when it
6301         is known instead of -1.  Set LOOP_PEELING_FOR_ALIGNMENT to peeling
6302         factor.
6303         (vect_analyze_loop): Call vect_determine_vectorization_factor (used to
6304         be part of vect_analyze_operations).
6305         * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Use fold when
6306         creating the guard condition, as the number of iterations may be
6307         constant.
6308         (slpeel_tree_peel_loop_to_edge): Use new name of
6309         LOOP_DO_PEELING_FOR_ALIGNMENT. Set it to 0 instead of false.
6310         * tree-vect-transform.c (vect_gen_niters_for_prolog_loop): Handle known
6311         alignment case more efficiently. Use LOOP_PEELING_FOR_ALIGNMENT.
6312         (vect_do_peeling_for_alignment): Use fold.
6313         (vect_transform_loop): Use new name of LOOP_DO_PEELING_FOR_ALIGNMENT.
6314
6315         (vect_update_inits_of_dr): Renamed to
6316         vect_update_init_of_dr.
6317         (vect_update_inits_of_drs): Use new name of vect_update_inits_of_dr.
6318         (vectorizable_store): Fix assertion to use == instead of =.
6319
6320 2005-03-15  Daniel Jacobowitz  <dan@codesourcery.com>
6321
6322         * config/arm/arm.h (CONDITIONAL_REGISTER_USAGE): Don't clear
6323         call_used_regs for wCG registers.
6324
6325 2005-03-15  Ulrich Weigand  <uweigand@de.ibm.com>
6326
6327         * config/s390/s390.c (s390_secondary_output_reload_class): Adapt check
6328         for non-offsettable memory references to cope with outstanding reload
6329         replacements, take 2.
6330
6331 2005-03-15  Uros Bizjak  <uros@kss-loka.si>
6332
6333         PR target/18668
6334         * config/i386/i386.h (x86_fisttp): New.
6335         (TARGET_FISTTP): New macro.
6336         * config/i386/i386.c (x86_fisttp): Set for NOCONA.
6337         (output_fix_trunc): Add fisttp parameter.  Generate fisttp x87
6338         instruction when fisttp flag is set.
6339         * config/i386/i386-protos.h (output_fix_trunc): Change declaration.
6340
6341         * config/i386/i386.md (type attribute): Add fisttp.
6342         (unit attribute): Set to i387 for fisttp type.
6343         (X87MODEF, X87MODEI, SSEMODEF, SSEMODEI24): New mode macros.
6344         (fix_truncxfdi2, fix_truncxfsi2): Generate fisttp patterns for
6345         TARGET_FISTTP.
6346         (fix_truncdfdi2, fix_truncsfdi2, fix_truncdfsi2, fix_truncsfsi2):
6347         Generate fisttp patterns for TARGET_FISTTP. Implement using mode
6348         macros.
6349         (fix_truncxfhi2, fix_truncdfhi2, fix_truncsfhi2): Generate fisttp
6350         patterns for TARGET_FISTTP.  Enable patterns for
6351         (TARGET_FISTTP && !TARGET_SSE_MATH). Implement using mode macros.
6352         (fix_trunc<mode>_i387_fisttp_1, fix_trunc<mode>_i387_fisttp,
6353         fix_trunc<mode>_i387_fisttp_with_temp): New instruction patterns to
6354         implement fisttp x87 insn.
6355         (fix_trunc*_i387_fisttp splitters): New patterns.
6356         (*fix_truncdi_i387, *fix_truncsi_i387, *fix_trunchi_i387):
6357         Rename to *fix_trunc<mode>_i387_1.  Implement using mode macros.
6358         Disable patterns for TARGET_FISTTP.  Add comment about FLAGS_REG
6359         clobber.
6360         (fix_truncdi_memory, fix_truncdi_nomemory, fix_trunchi_nomemory):
6361         Rename to fix_trunc<mode>_i387 and fix_trunc<mode>_i387_with_temp.
6362         Implement using mode macros. Disable patterns for TARGET_FISTTP.
6363         (fix_truncsi_memory, fix_truncsi_nomemory, fix_trunchi_memory,
6364         fix_trunchi_nomemory): Rename to fix_trunc<mode>_i387 and
6365         fix_trunc<mode>_i387_with_temp. Implement using mode macros.
6366         Disable patterns for TARGET_FISTTP.
6367         (fix_trunc*_i387 splitters): Implement usign mode macros.
6368         (fix_truncdfdi_sse, fix_truncsfdi_sse, fix_truncdfsi_sse,
6369         fix_truncsfsi_sse): Disable for (TARGET_FISTTP && !TARGET_SSE_MATH).
6370         (fix_trunx*_sse peephole2s): Implement using mode macros.
6371
6372 2005-03-15  J"orn Rennecke <joern.rennecke@st.com>
6373
6374         PR rtl-optimization/20291
6375         * combine.c (try_combine): If splitting fails, re-try with
6376         original combined pattern, i.e. before clobber stripping.
6377
6378 2005-03-14  Eric Christopher  <echristo@redhat.com>
6379
6380         * config/mips/mips.h (DWARF_CIE_DATA_ALIGNMENT): Change for
6381         STACK_GROWS_DOWNWARD.
6382
6383 2005-03-14  Roger Sayle  <roger@eyesopen.com>
6384
6385         * real.h (struct real_format): Split the signbit field into two
6386         two fields, signbit_ro and signbit_rw.
6387         * real.c (ieee_single_format, mips_single_format, ieee_double_format,
6388         mips_double_format, ieee_extended_motorola_format,
6389         ieee_extended_intel_96_format, ieee_extended_intel_96_round_53_format,
6390         ieee_extended_intel_128_format, ibm_extended_format,
6391         mips_extended_format, ieee_quad_format, mips_quad_format,
6392         vax_f_format, vax_d_format, vax_g_format, i370_single_format,
6393         i370_double_format, c4x_single_format, c4x_extended_format,
6394         real_internal_format): Update initializers for new field.
6395         * builtins.c (expand_builtin_signbit): Use signbit_ro field of the
6396         real_format structure.
6397         * optabs.c (expand_absneg_bit, expand_copysign): Use signbit_rw
6398         field of the real_format structure.
6399
6400 2005-03-14  Daniel Berlin <dberlin@dberlin.org>
6401
6402         Fix PR tree-optimization/20458
6403
6404         * tree-flow-inline.h (mark_call_clobbered): Don't fiddle
6405         DECL_EXTERNAL on STRUCT_FIELD tags.
6406         (clear_call_clobbered): Ditto.
6407         * tree-ssa-operands.c (note_addressable): Make sure the original
6408         variable doesn't slip into the addressable list if we have
6409         subvars.
6410         * tree-tailcall.c (suitable_for_tail_opt_p): Look at STRUCT_FIELD
6411         tags too.
6412
6413 2005-03-14  Geoffrey Keating  <geoffk@apple.com>
6414
6415         * doc/cppopts.texi (-fexec-charset): Add concept index entry.
6416         (-fwide-exec-charset): Likewise.
6417         (-finput-charset): Likewise.
6418         * doc/invoke.texi (Warning Options): Document -Wnormalized=.
6419         * c-opts.c (c_common_handle_option): Handle -Wnormalized=.
6420         * c.opt (Wnormalized): New.
6421
6422 2005-03-14  Devang Patel  <dpatel@apple.com>
6423
6424         * doc/invoke.texi: Add reference to Visibility document.
6425
6426 2005-03-14  Richard Sandiford  <rsandifo@redhat.com>
6427
6428         * config.gcc (mips*-*-*): Rename MASK_SPLIT_ADDRS to
6429         MASK_SPLIT_ADDRESSES.
6430         * config/mips/mips.h (target_flags, mips_fix_vr4130_string): Delete.
6431         (MASK_INT64, MASK_LONG64, MASK_SPLIT_ADDR, MASK_NO_FUSED_MADD)
6432         (MASK_EXPLICIT_RELOCS, MASK_MEMCPY, MASK_SOFT_FLOAT)
6433         (MASK_FLOAT64, MASK_ABICALLS, MASK_XGOT, MASK_LONG_CALLS)
6434         (MASK_64BIT, MASK_EMBEDDED_DATA, MASK_BIG_ENDIAN)
6435         (MASK_SINGLE_FLOAT, MASK_MAD, MASK_4300_MUL_FIX, MASK_MIPS16)
6436         (MASK_NO_CHECK_ZERO_DIV, MASK_BRANCHLIKELY)
6437         (MASK_UNINIT_CONST_IN_RODATA, MASK_FIX_R4000, MASK_FIX_R4400)
6438         (MASK_FIX_SB1, MASK_FIX_VR4120, MASK_VR4130_ALIGN)
6439         (MASK_FP_EXCEPTIONS, MASK_DIVIDE_BREAKS, MASK_PAIRED_SINGLE)
6440         (MASK_MIPS3D, MASK_SYM32, MASK_DEBUG, MASK_DEBUG_D)
6441         (MASK_MIPS_TFILE, TARGET_INT64, TARGET_LONG64, TARGET_FLOAT64)
6442         (TARGET_64BIT, TARGET_SPLIT_ADDRESSES, TARGET_DEBUG_MODE)
6443         (TARGET_DEBUG_D_MODE, TARGET_MEMCPY, TARGET_ABICALLS)
6444         (TARGET_XGOT, TARGET_SOFT_FLOAT, TARGET_HARD_FLOAT)
6445         (TARGET_LONG_CALLS, TARGET_EMBEDDED_DATA)
6446         (TARGET_UNINIT_CONST_IN_RODATA, TARGET_BIG_ENDIAN)
6447         (TARGET_SINGLE_FLOAT, TARGET_DOUBLE_FLOAT, TARGET_MAD)
6448         (TARGET_FUSED_MADD, TARGET_4300_MUL_FIX, TARGET_CHECK_ZERO_DIV)
6449         (TARGET_DIVIDE_TRAPS, TARGET_BRANCHLIKELY, TARGET_FIX_SB1)
6450         (TARGET_FIX_R4000, TARGET_FIX_R4400, TARGET_FIX_VR4120)
6451         (TARGET_FIX_VR4130, TARGET_VR4130_ALIGN, TARGET_FP_EXCEPTIONS)
6452         (TARGET_PAIRED_SINGLE_FLOAT, TARGET_MIPS3D, TARGET_SYM32)
6453         (TARGET_EXPLICIT_RELOCS): Delete.
6454         (TARGET_SWITCHES, SUBTARGET_TARGET_SWITCHES): Delete.
6455         (TARGET_OPTIONS): Remove entry for -mfix-vr4130.
6456         * config/mips/mips.c (TARGET_DEFAULT_TARGET_FLAGS): Define.
6457         (override_options): Set MASK_LONG64 if -mint64 is given and no
6458         -mlongXX option is.  Complain about -mint64 -mlong32.
6459         (override_options, CMP_BUILTINS, mips_bdesc, sb1_desc): Rename
6460         MASK_PAIRED_SINGLE to MASK_PAIRED_SINGLE_FLOAT.
6461         * config/mips/mips.opt: New file.
6462
6463 2005-03-14  Richard Sandiford  <rsandifo@redhat.com>
6464
6465         * config.gcc (extra_options): New variable for listing option files.
6466         Add ${cpu_type}/${cpu_type}.opt to it if that file exists.
6467         * configure.ac (extra_opt_files): New AC_SUBST variable.
6468         (tm_file_list, tm_include_list): Include options.h first.
6469         * configure: Regenerate.
6470         * Makefile.in (extra_opt_files, ALL_OPT_FILES): New variables.
6471         (s-options): Use $(ALL_OPT_FILES) instead of $(lang_opt_files)
6472         (s-options-h): New rule.
6473         (options.h): Depend on it.
6474         (TEXI_GCCINT_FILES): Add options.texi.
6475         * hooks.h (hook_bool_size_t_constcharptr_int_true): Declare.
6476         * hooks.c (hook_bool_size_t_constcharptr_int_true): New function.
6477         * target.h (gcc_target): Add default_target_flags and handle_option.
6478         * target-def.h (TARGET_DEFAULT_TARGET_FLAGS)
6479         (TARGET_HANDLE_OPTION): New macros.
6480         (TARGET_INITIALIZER): Include them.
6481         * opt-functions.awk (opt_args, nth_arg): New functions.
6482         (switch_flags): Handle the "Target" flag.
6483         (var_args): Delete.
6484         (var_name): Use opt_args and nth_arg.
6485         (var_set, var_ref): Likewise.  Handle "Mask" and "InverseMask".
6486         * opth-gen.awk: Declare target_flags.  Declare MASK_* and TARGET_*
6487         macros for the "Mask" and "InverseMask" options.
6488         * opts.h (cl_var_cond): New enum.
6489         (cl_option): Replace the "has_set_value" and "set_value" fields with
6490         "var_cond" and "var_value".
6491         (CL_TARGET): New macro.
6492         (option_enabled, print_filtered_help): Declare.
6493         (decode_options): Move definition.
6494         * opts.c (handle_option): Search for the original option before
6495         removing any "no-" prefix.  Handle CL_TARGET.  Adjust for the new
6496         var_cond and var_value fields.  Use targetm.handle_option to handle
6497         target options.
6498         (decode_options): Set target_flags to targetm.default_target_flags.
6499         (print_filtered_help): Make global.  Handle CL_TARGET.
6500         (option_enabled): New function.
6501         * toplev.c (target_switches): Guard with #ifdef TARGET_SWITCHES.
6502         (display_target_options, set_target_switch, print_switch_values)
6503         (default_pch_valid_p): Guard uses of target_switches with
6504         #ifdef TARGET_SWITCHES.  Also...
6505         (display_target_options): Display the CL_TARGET entries in cl_options.
6506         (set_target_option): Don't complain about the "" option when
6507         TARGET_SWITCHES is undefined.
6508         (print_switch_values): Use option_enabled.
6509         (default_pch_valid_p): Check cl_options[] when looking for something
6510         that has changed the value of target_flags.
6511         * c.opt: Remove documentation from top of file.
6512         * doc/gccint.texi: Add an "Options" chapter.  Include options.texi.
6513         * doc/sourecebuild.texi: Refer to the new options documentation
6514         instead of c.opt.  Document machine-specific .opt files.
6515         * doc/tm.texi (target_flags): Say that this variable is declared
6516         by options.h.
6517         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Document.
6518         (TARGET_SWITCHES, TARGET_OPTIONS): Refer to the option files as
6519         an alternative.
6520         * doc/options.texi: New file.
6521
6522 2005-03-14  Alexandre Oliva  <aoliva@redhat.com>
6523
6524         PR middle-end/18628
6525         * cse.c (fold_rtx_mem): Don't fold a load from a jumptable into a
6526         register.
6527
6528 2005-03-14  Alexandre Oliva  <aoliva@redhat.com>
6529
6530         PR c++/20280
6531         * gimplify.c (gimplify_cond_expr): Add fallback argument.  Use a
6532         temporary variable of pointer type if an lvalues is required.
6533         (gimplify_modify_expr_rhs): Request an rvalue from it.
6534         (gimplify_expr): Pass fallback on.
6535
6536 2005-03-14  Kazu Hirata  <kazu@cs.umass.edu>
6537
6538         * cfgbuild.c: Update comments.
6539
6540 2005-03-14  Roger Sayle  <roger@eyesopen.com>
6541
6542         PR rtl-optimization/17236
6543         * optabs.c (expand_doubleword_mult): New helper function split out
6544         from expand_binop.  Permute the order in which instructions are
6545         emitted to minimize the number of simultaneously live registers.
6546         (expand_binop): Call expand_doubleword_mult to synthesize a double
6547         word multiplication.
6548
6549 2005-03-14  Kazu Hirata  <kazu@cs.umass.edu>
6550
6551         * basic-block.h: Update the prototypes of cached_make_edge and
6552         rtl_make_eh_edge.
6553         * cfg.c (cached_make_edge): Take edge_cache representing one
6554         row of the adjacency matrix of edges.
6555         * cfgbuild.c (make_label_edge, rtl_make_eh_edge): Likewise.
6556         (make_edges): Initialize edge_cache to represent one row of
6557         the adjacency matrix of edges.
6558
6559 2005-03-14  Zdenek Dvorak  <dvorakz@suse.cz>
6560
6561         * tree-ssa-phiopt.c (minmax_replacement, blocks_in_phiopt_order):
6562         New functions.
6563         (tree_ssa_phiopt): Use blocks_in_phiopt_order and minmax_replacement.
6564         Remove unused removed_phis variable.
6565         (conditional_replacement): Use build1/build2.
6566         (abs_replacement): Use last_and_only_stmt and build1/build2.
6567
6568 2005-03-14  Zdenek Dvorak  <dvorakz@suse.cz>
6569
6570         * builtin-attrs.def (ATTR_NOVOPS, ATTR_NOVOPS_LIST,
6571         ATTR_PURE_NOTHROW_NOVOPS_LIST): New.
6572         * builtins.def (ATTR_MATHFN_FPROUNDING): Use NOVOPS.
6573         (BUILT_IN_PREFETCH): Set the NOVOPS attribute.
6574         * c-common.c (handle_novops_attribute): New function.
6575         (c_common_attribute_table): Add "no vops" entry.
6576         * c-decl.c (merge_decls): Copy DECL_IS_NOVOPS.
6577         * calls.c (flags_from_decl_or_type): Set ECF_NOVOPS.
6578         * tree-ssa-operands.c (get_call_expr_operands): Do not
6579         create virtual operands for calls with ECF_NOVOPS flag.
6580         * tree.h (DECL_IS_NOVOPS): New macro.
6581         (struct tree_decl): Add novops_flag.
6582         (ECF_NOVOPS): New constant.
6583
6584 2005-03-14  Uros Bizjak  <uros@kss-loka.si>
6585
6586         PR target/17688
6587         * config/i386/i386.c (x86_use_himode_fiop): New.
6588         (x86_use_simode_fiop): Rename from x86_use_fiop.
6589         * config/i386/i386.h (x86_use_himode_fiop): Declare.
6590         (TARGET_USE_HIMODE_FIOP): New.
6591         (x86_use_simode_fiop): Rename from x86_use_fiop.
6592         (TARGET_USE_SIMODE_FIOP): Rename from TARGET_USE_FIOP.
6593
6594         * config/i386/i386.md (X87MODEI12): New mode macro define.
6595         (*cmpfp_<mode>): Rename from *cmpfp_si.  Use X87MODEI12 mode macro
6596         to implement x87 FP compare with HImode input operands.
6597         (*fp_jcc_8<mode>_387, splitter): Rename from *fp_jcc_8_387.
6598         Use X87MODEI12 mode macro to handle HImode input operands.
6599         (*fop_sf_2<mode>_i387, *fop_sf_3<mode>_i387, *fop_df_2<mode>_i387,
6600         *fop_df_3<mode>_i387, *fop_xf_2<mode>_i387, *fop_xf_3<mode>_i387):
6601         Renamed from *fop_sf_2_i387, *fop_sf_3_i387, *fop_df_2_i387,
6602         *fop_df_3_i387, *fop_xf_2_i387, *fop_xf_3_i387. Use X87MODEI12 mode
6603         macro to implement x87 operators with HImode input operands.
6604         (fop splitters): Use X87MODEI12 mode macro to handle HImode
6605         input operands.
6606
6607 2005-03-14  Zdenek Dvorak  <dvorakz@suse.cz>
6608
6609         * tree-cfg.c (find_taken_edge_cond_expr): Use zero_p instead of
6610         integer_zerop.
6611         * tree-gimple.c (is_gimple_min_invariant): Consider overflowed
6612         constants invariant.
6613
6614 2005-03-14  Zdenek Dvorak  <dvorakz@suse.cz>
6615
6616         * basic-block.h (BB_VISITED): Removed.
6617         * cfganal.c (dfs_enumerate_from): Do not use BB_VISITED flag.
6618
6619 2005-03-14  Falk Hueffner  <falk@debian.org>
6620
6621         PR bootstrap/20424
6622         * config/alpha/alpha.c (alpha_fold_builtin_cmpbge): Fix typo.
6623
6624 2005-03-14  Kazu Hirata  <kazu@cs.umass.edu>
6625
6626         * ggc-zone.c: Fix comment typos.
6627
6628         * alloc-pool.c, except.h, ggc-common.c, ggc-zone.c, ggc.h,
6629         stringpool.c, config/mips/mips-protos.h: Update copyright.
6630
6631 2005-03-14  Alan Modra  <amodra@bigpond.net.au>
6632
6633         * config/rs6000/rs6000-protos.h: Replace "struct rtx_def *"
6634         throughout with its typedef, "rtx".
6635         * config/rs6000/rs6000.c: Likewise.  Formatting fixes.
6636         (rs6000_tls_symbol_ref_1): Remove inline keyword.
6637         * config/rs6000/rs6000.h (REG_ALLOC_ORDER): Formatting.  Reorder
6638         regs in comment to match code.
6639
6640 2005-03-14  Kazu Hirata  <kazu@cs.umass.edu>
6641
6642         * except.c (check_handled): Make it static.
6643         * except.h: Remove the corresponding prototype.
6644
6645         * function.c (get_func_frame_size): Make it static.
6646         * function.h: Remove the corresponding type.
6647
6648         * regclass.c (reg_class_superclasses, reg_class_subclasses):
6649         Make them static.
6650         * hard-reg-set.h: Remove the corresponding declarations.
6651
6652         * tree-cfg.c (verify_stmts): Check that
6653         bb_for_stmt (stmt) == bb for every PHI node and statement.
6654
6655 2005-03-14  Alan Modra  <amodra@bigpond.net.au>
6656
6657         * config.gcc: Remove excess indentation.
6658         (powerpc*-*-*, rs6000-*-*): Accept --with-cpu/tune power5 and 8548.
6659
6660 2005-03-13  Roger Sayle  <roger@eyesopen.com>
6661
6662         PR middle-end/19331
6663         * tree.c (get_unwidened): Treat CONVERT_EXPR and NOP_EXPR identically.
6664         * fold-const.c (fold_sign_changed_comparison): Likewise.
6665         (fold_binary): Optimize comparisons against widened operands if
6666         the extension is represented by a CONVERT_EXPR, same as a NOP_EXPR.
6667
6668 2005-03-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
6669
6670         * config/sparc/sparc.c (struct_value_alias_set): New global variable.
6671         (sparc_override_options): Initialize it.
6672         (sparc_struct_value_rtx): Set it on the MEM to be returned.
6673
6674 2005-03-13  David Edelsohn  <edelsohn@gnu.org>
6675
6676         * config/rs6000/predicates.md (mem_or_easy_const_operand): Delete.
6677         (reg_or_none500mem_operand): New predicate.
6678         (zero_reg_mem_operand): New predicate.
6679         * config/rs6000/rs6000.md (extendsfdf2): Change operand1 predicate
6680         to reg_or_none500mem_operand.
6681         (extendsfdf2_fpr): Add MEM alternative.
6682         (extenddftf2_internal): Change operand2 predicate to
6683         zero_reg_mem_operand.
6684
6685 2005-03-13  Daniel Jacobowitz  <dan@codesourcery.com>
6686
6687         * ggc-zone.c: Rewritten.
6688
6689         * alloc-pool.c (dump_alloc_pool_statistics): Don't print statistics
6690         if there are none.
6691         * configure.ac: Define GGC_ZONE for --with-gc=zone.
6692         * config.in: Regenerated.
6693         * configure: Regenerated.
6694         * gengtype.c (write_types_process_field, write_func_for_structure):
6695         Pass new argument to gt_pch_note_object.
6696         * ggc-common.c (struct ptr_data): Add TYPE.
6697         (gt_pch_note_object): Take TYPE argument and save it.
6698         (call_count): Update call to ggc_pch_count_object.
6699         (call_alloc): Update call to ggc_pch_alloc_object.
6700         (gt_pch_save): Call ggc_pch_prepare_write after paddng the PCH
6701         file.
6702         * ggc-none.c (rtl_zone, garbage_zone, ggc_alloc_zone_stat): Delete.
6703         * ggc-page.c (rtl_zone, tree_zone, garbage_zone)
6704         (ggc_alloc_zone_stat): Delete.
6705         (ggc_pch_count_object, ggc_pch_alloc_object): Add TYPE argument.
6706         * ggc.h (gt_pch_note_object, ggc_pch_count_object)
6707         (ggc_pch_alloc_object): Update prototypes.
6708         (garbage_zone): Delete.
6709         (tree_zone, rtl_zone, ggc_alloc_zone_stat, ggc_alloc_zone): Move to
6710         GGC_ZONE conditional.  Update.  Change tree_zone and rtl_zone into
6711         pointers.
6712         (tree_id_zone): New variable.
6713         (ggc_alloc_cleared_zone): Remove unused.
6714         (ggc_alloc_zone): Define.
6715         (ggc_alloc_rtvec, ggc_alloc_tree): Update to use ggc_alloc_zone.
6716         * rtl.c (rtx_alloc_stat, shallow_copy_rtx_stat): Use
6717         ggc_alloc_zone_stat.
6718         * stringpool.c (gt_pch_n_S): Update call to gt_pch_note_object.
6719         * tree.c (copy_node_stat, make_tree_binfo_stat, make_tree_vec_stat)
6720         (tree_cons_stat, build1_stat): Update call to ggc_alloc_zone_stat.
6721         (make_node_stat): Likewise.  Use tree_id_zone.
6722
6723 2005-03-13  Daniel Jacobowitz  <dan@codesourcery.com>
6724             Joseph S. Myers  <joseph@codesourcery.com>
6725
6726         * configure.ac: Check for MIPS TLS.
6727         * configure: Regenerated.
6728         * config/mips/mips-protos.h (enum mips_symbol_type): Add
6729         SYMBOL_TLS, SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL,
6730         SYMBOL_GOTTPREL, and SYMBOL_TPREL.
6731         * config/mips/mips.c (mips_regno_to_class): Handle V1_REG.
6732         (TARGET_HAVE_TLS, TARGET_CANNOT_FORCE_CONST_MEM): Define.
6733         (mips_classify_symbol, mips_symbolic_constant_p)
6734         (mips_symbolic_address_p, mips_symbol_insns): Handle TLS symbols.
6735         (mips_tls_operand_p, mips_call_tls_get_addr)
6736         (mips_legitimize_tls_address, mips_cannot_force_const_mem)
6737         (mips_tls_symbol_ref_1): New functions.
6738         (mips_legitimize_address, mips_legitimize_const_move): Call
6739         mips_legitimize_tls_address.
6740         (override_options): Handle V1_REG and TLS symbols.  Disable TLS
6741         for MIPS16.
6742         * config/mips/mips.h (enum reg_class, REG_CLASS_NAMES)
6743         (REG_CLASS_CONTENTS, GR_REG_CLASS_P): Include V1_REG.
6744         (mips_char_to_class): Document V1_REG.
6745         (HAVE_AS_TLS): Provide default.
6746         * config/mips/mips.md (UNSPEC_TLS_LDM, UNSPEC_TLS_GET_TP): New
6747         constants.
6748         (load_got<mode>): Renamed from *load_got<mode>.  Allow when
6749         !TARGET_ABICALLS.
6750         (tls_get_tp_<mode>): New instruction.
6751
6752 2005-03-13  Daniel Jacobowitz  <dan@codesourcery.com>
6753
6754         * configure.ac: Update checks for target tools.
6755         * configure: Regenerated.
6756
6757 2005-03-13  Daniel Jacobowitz  <dan@codesourcery.com>
6758
6759         * varasm.c (decl_tls_model): Check flag_shlib instead of flag_pic.
6760
6761 2005-03-13  Roger Sayle  <roger@eyesopen.com>
6762
6763         * expmed.c (expand_mult): Use synthetic multiplication sequences for
6764         more classes of DImode multiplication by constant.  Allow both
6765         multiplication by small negative constants (by performing a
6766         multiplication by a positive constant and negating the result) and
6767         multiplications by large powers of two, by using a left shift.
6768
6769 2005-03-13  Kazu Hirata  <kazu@cs.umass.edu>
6770
6771         * tree-into-ssa.c (find_idf): Speed up by putting the indexes
6772         of basic blocks into work_stack.
6773
6774         * builtin-attrs.def, c-lex.c, c-pragma.h, reg-stack.c,
6775         config/mips/vr.h: Update copyright.
6776
6777         * c-decl.c (c_init_decl_processing): Remove useless calls to
6778         build_function_type.
6779
6780         * builtins.c (fold_trunc_transparent_mathfn,
6781         fold_fixed_mathfn, fold_builtin_atan, fold_builtin_trunc,
6782         fold_builtin_floor, fold_builtin_ceil, fold_builtin_round,
6783         fold_builtin_lround, fold_builtin_bitop, fold_builtin_memcpy,
6784         fold_builtin_strcpy, fold_builtin_strncpy,
6785         fold_builtin_signbit): Use TYPE (TYPE (fndecl)) instead of
6786         TREE_TYPE (exp).
6787
6788         * builtins.c (expand_builtin_mathfn_3): Remove local variable
6789         before_call.
6790
6791         * lambda-code.c (lambda_compute_auxillary_space): Remove local
6792         variable determinant.
6793
6794         * tree-cfg.c (group_case_labels): Remove local variable type.
6795
6796         * tree-ssa-live.c (build_tree_conflict_graph): Remove local
6797         variable ann.
6798
6799         * tree-ssa-phiopt.c (value_replacement): Remove local variable
6800         result.
6801
6802 2005-03-13  Andy Hutchinson  <HutchinsonAndy@netscape.net>
6803
6804         PR target/18251
6805         * config/avr/avr.md (movmemhi): Rewrite as RTL loop.
6806         (*movmemqi_insn): Delete.
6807         (*movmemhi): Delete.
6808
6809 2005-03-13  Kazu Hirata  <kazu@cs.umass.edu>
6810
6811         * builtins.c (fold_builtin_classify): Take decomposed
6812         arguments of CALL_EXPR.
6813         (fold_builtin_1): Update a call to fold_builtin_classify.
6814
6815 2005-03-13  Joseph S. Myers  <joseph@codesourcery.com>
6816
6817         PR c/20402
6818         * c-parser.c (c_parser_struct_or_union_specifier): Don't fall
6819         through into call to parser_xref_tag after parse error.
6820         (c_parser_struct_declaration): Consistently return NULL_TREE on
6821         error.
6822
6823 2005-03-12  Daniel Berlin  <dberlin@dberlin.org>
6824
6825         * tree-flow-inline.h (ref_contains_array_ref): New function.
6826         (lookup_subvars_for_var): Ditto.
6827         (get_subvars_for_var): Ditto.
6828         (var_can_have_subvars): Ditto.
6829
6830         * tree-flow.h (mem_tag_kind): Add STRUCT_FIELD.
6831         (struct subvar): New type.
6832
6833         * tree-dfa.c (okay_component_ref_for_subvars): New function.
6834
6835         * tree-optimize.c (init_tree_optimization_passes): Call
6836         pass_create_structure_vars.
6837
6838         * tree-ssa-alias.c: Include vec.h.
6839         (init_alias_info): Don't auto-clear call clobbered on struct-field
6840         tags.
6841         (compute_flow_insensitive_aliasing): Handle subvars.
6842         (group_aliases): Handle STRUCT_FIELD aliases.
6843         (setup_pointers_and_addressables): Ditto.
6844         Don't mark variables non-addressable if they still have
6845         addressable subvars.
6846         Also mark subvars addressable when the real variable is marked
6847         addressable.
6848         (add_pointed_to_var): Try to prune the pointed-to set by only
6849         pointing to subvars when possible.
6850         Otherwise, make sure we set addresses_needed and pt_vars to
6851         properly include subvars.
6852         (bitpos_of_field): New function.
6853         (push_fields_onto_fieldstack): Ditto.
6854         (get_or_create_used_part_for): Ditto.
6855         (create_overlap_variables_for): Ditto.
6856         (find_used_portions): Ditto.
6857         (create_structure_vars): Ditto.
6858         (pass_create_structure_vars): New structure.
6859
6860         * tree-ssa-operands.c (finalize_ssa_v_must_defs): Remove assert.
6861         (get_expr_operands): Handle subvars.  Also try to turn
6862         COMPONENT_REF accesses into must-defs now that we can accurately
6863         portray it.
6864         (note_addressable): Try to only mark as addressable those subvars
6865         we know a COMPONENT_REF touches.
6866         (overlap_subvar): New function.
6867
6868         * tree-vect-analyze.c (vect_object_analysis): Add new parameter.
6869         Handle subvar storing.
6870         (vect_address_analysis): Update caller of vect_object_analysis.
6871
6872         * tree-vect-transform.c (vect_create_data_ref_ptr): Copy subvars.
6873
6874         * tree-vectorizer.h (struct _stmt_vec_info): Add subvars member.
6875         (STMT_VINFO_SUBVARS): New macro.
6876
6877         * common.opts: add flag_tree_salias.
6878
6879         * opts.c (decode_options): flag_tree_salias defaults to on.
6880
6881         * doc/invoke.texi: Document fdump-tree-svars and -ftree-salias.
6882
6883         * doc/tree-ssa.texi: Document structural alias analysis.
6884
6885 2005-03-12  Steven Bosscher  <stevenb@suse.de>
6886
6887         * tree-cfg.c (make_goto_expr_edges): Don't use error_mark_node.
6888         * tree-ssa-dce.c (mark_stmt_necessary): Don't check for it.
6889         * tree-ssa-operands.c (get_expr_operands): Likewise.
6890         (get_expr_operands): Likewise for ERROR_MARK.
6891
6892 2005-03-12  Kazu Hirata  <kazu@cs.umass.edu>
6893
6894         * tree-ssa.c (kill_redundant_phi_nodes): Remove local variable
6895         var.
6896
6897         * tree-ssa-phiopt.c (tree_ssa_phiopt): Remove local variable
6898         removed_phis.
6899
6900         * tree-ssa-pre.c (compute_avail): Remove local variable val.
6901         (mark_operand_necessary): Remove local variable ver.
6902
6903         * tree-vect-transform.c (vect_get_new_vect_var): Remove local
6904         variable prefix_len.
6905
6906         * value-prof.c (mod_subtract_transform): Remove local variable
6907         value.
6908
6909         * builtins.c (fold_builtin_exponent): Take decomposed
6910         arguments of CALL_EXPR.
6911         (fold_builtin_1): Update a call to fold_builtin_exponent.
6912
6913         * builtins.c (fold_builtin_logarithm): Take decomposed
6914         arguments of CALL_EXPR.
6915         (fold_builtin_1): Update a call to fold_builtin_logarithm.
6916
6917         * c-decl.c (c_init_decl_processing): Remove local variables
6918         ptr_ftype_void and ptr_ftype_ptr.
6919
6920         * gimplify.c (gimplify_expr): Remove local variables r0 and
6921         r1.
6922
6923         * reg-stack.c (move_for_stack_reg): Remove local variable
6924         push_insn.
6925         (compare_for_stack_reg): Remove local variable flags_user.
6926         (convert_regs_1): Remove local variable deleted.
6927
6928         * tree-if-conv.c (tree_if_convert_cond_expr): Remove local
6929         variable new_cond.
6930         (combine_blocks): Remove local variables exits and new_e.
6931
6932         * tree-inline.c (expand_call_inline): Remove local variable
6933         decl.
6934
6935         * tree-ssa-live.c (create_ssa_var_map,
6936         calculate_live_on_entry): Remove local variable snn.
6937
6938 2005-03-12  Geoffrey Keating  <geoffk@apple.com>
6939
6940         * c-lex.c (c_lex_with_flags): Add parameter to call to
6941         cpp_spell_token.
6942
6943 2005-03-11  Per Bothner  <per@bothner.com>
6944
6945         * c-tree.h (struct c_declarator): New id_loc field.
6946         * c-pragma.h (c_lex_with_flags): Take position reference.
6947         * c-lex.c (c_lex_with_flags): Set passed-in location from cpp token,
6948         iff USE_MAPPED_LOCATION. (Type doesn't match otherwise.)
6949         (c_lex): Pass dummy location to c_lex_with_flags.
6950         * c-parser.c (c_lex_one_token): Set c_token's location using
6951         c_lex_with_flags, instead of input_location, which might be "ahead".
6952         (c_parser_direct_declarator): Set declarator's id_loc from
6953         c_token's id_loc.
6954         * c-decl.c (grokdeclarator): Set DECL_SOURCE_LOCATION from
6955         declarator's id_loc, rather than probably-imprecise input_location.
6956         (build_id_declarator): Initialize c_declarator's id_loc field.
6957
6958 2005-03-11  Roger Sayle  <roger@eyesopen.com>
6959
6960         PR middle-end/20419
6961         * builtins.c (expand_builtin_signbit): Force the signbit's word
6962         into an integer register to avoid SUBREGs of floating point modes.
6963
6964 2005-03-12  Kazu Hirata  <kazu@cs.umass.edu>
6965
6966         * cfglayout.c, loop-doloop.c, profile.c, target-def.h,
6967         target.h, targhooks.c, tracer.c, tree-ssa-loop-ch.c,
6968         tree-ssa-loop-unswitch.c, tree-ssa-loop.c, vec.c, vmsdbgout.c,
6969         config/m32r/m32r.md, config/xtensa/xtensa.h: Update copyright.
6970
6971 2005-03-11  David Edelsohn  <edelsohn@gnu.org>
6972
6973         PR rtl-optimization/20306
6974         * expr.c (emit_move_complex): Set try_int false if mode is
6975         MODE_COMPLEX_FLOAT and mov_optab exists for inner mode.  Only try
6976         emit_block_move if try_int is true.
6977
6978 2005-03-11  Richard Henderson  <rth@redhat.com>
6979
6980         PR target/20415
6981         * config/i386/mmx.md (vec_dupv4hi): Fix predicate.
6982         * config/i386/i386.c (ix86_expand_vector_init_duplicate): Update
6983         to match.
6984
6985 2005-03-11  Richard Sandiford  <rsandifo@redhat.com>
6986
6987         * config/mips/mips.h (mips_fix_vr4130_string): Declare.
6988         (TARGET_FIX_VR4130): New macro.
6989         (TARGET_OPTIONS): Add -mfix-vr4130.
6990         (ISA_HAS_MACCHI): New macro.
6991         (ASM_SPEC): Add -mfix-vr4130.
6992         * config/mips/mips.c (mips_fix_vr4130_string): New variable.
6993         (override_options): Handle mips_fix_vr4130_string.
6994         (mips_avoid_hazards): Clear all_noreorder_p
6995         if we're working around VR4130 errata and the macc alternatives
6996         are not available.
6997         * config/mips/mips.md (mfhilo_<mode>): Turn into a define_expand.
6998         (*mfhilo_<mode>, *mfhilo_<mode>_macc): New insns.
6999         * config/mips/vr.h (DEFAULT_VR_ARCH): Set to mfix-vr4130.
7000         (MULTILIB_DEFAULTS): Remove leading "march=".
7001         (DRIVER_SELF_SPECS): Likewise.  Make -mfix-vr4130 imply -march=vr4130
7002         if no architecture option is given.
7003         * config/mips/t-vr (MULTILIB_OPTIONS): Use -mfix-vr4130 for the
7004         VR4130 multilibs.
7005         (MULTILIB_MATCHES): Map -march=vr4130 to the -mfix-vr4130 multilibs.
7006         * doc/invoke.texi: Document -mfix-vr4130.
7007
7008 2005-03-11  Richard Sandiford  <rsandifo@redhat.com>
7009
7010         * config/mips/mips.c (override_options): Only warn about -mint64
7011         deprecation if TARGET_INT64.
7012
7013 2005-03-11  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
7014
7015         * builtin-attrs.def (ATTR_NONNULL_LIST, ATTR_NOTHROW_NONNULL,
7016         ATTR_CONST_NOTHROW_NONNULL, ATTR_PURE_NOTHROW_NONNULL,
7017         ATTR_MALLOC_NOTHROW_NONNULL): New "nonnull" attribute lists which
7018         are non-specific regarding the nonnull parameter positions.
7019         (ATTR_NONNULL_1_2, ATTR_NONNULL_1_4, ATTR_NOTHROW_NONNULL_1_2,
7020         ATTR_NOTHROW_NONNULL_1_4, ATTR_CONST_NOTHROW_NONNULL_1,
7021         ATTR_PURE_NOTHROW_NONNULL_1, ATTR_PURE_NOTHROW_NONNULL_1_2,
7022         ATTR_MALLOC_NOTHROW_NONNULL_1): Delete.
7023
7024         * builtins.def: Use the non-specific "nonnull" attibute lists.
7025
7026 2005-03-11  Zdenek Dvorak  <dvorakz@suse.cz>
7027
7028         * basic-block.h (single_succ_p, single_pred_p, single_succ_edge,
7029         single_pred_edge, single_succ, single_pred): Improve comments.
7030
7031 2005-03-11  Zdenek Dvorak  <dvorakz@suse.cz>
7032
7033         * basic-block.h (single_succ_p, single_pred_p, single_succ_edge,
7034         single_pred_edge, single_succ, single_pred): New inline functions.
7035         * bb-reorder.c (rotate_loop, find_traces_1_round,
7036         add_labels_and_missing_jumps, fix_up_fall_thru_edges,
7037         duplicate_computed_gotos): Use the single_succ/pred functions.
7038         * cfganal.c (forwarder_block_p): Ditto.
7039         * cfgbuild.c (compute_outgoing_frequencies): Ditto.
7040         * cfgcleanup.c (try_simplify_condjump, try_forward_edges,
7041         outgoing_edges_match, try_crossjump_to_edge, try_optimize_cfg,
7042         merge_seq_blocks): Ditto.
7043         * cfghooks.c (split_edge, tidy_fallthru_edges): Ditto.
7044         * cfglayout.c (fixup_reorder_chain): Ditto.
7045         * cfgloop.c (mark_single_exit_loops, update_latch_info,
7046         canonicalize_loop_headers, verify_loop_structure): Ditto.
7047         * cfgloopmanip.c (remove_path, unloop, loop_delete_branch_edge,
7048         mfb_update_loops, create_preheader, force_single_succ_latches,
7049         create_loop_notes): Ditto.
7050         * cfgrtl.c (rtl_can_merge_blocks, try_redirect_by_replacing_jump,
7051         force_nonfallthru_and_redirect, rtl_tidy_fallthru_edge,
7052         commit_one_edge_insertion, purge_dead_edges,
7053         cfg_layout_can_merge_blocks_p): Ditto.
7054         * except.c (sjlj_emit_function_enter): Ditto.
7055         * flow.c (init_propagate_block_info): Ditto.
7056         * function.c (thread_prologue_and_epilogue_insns): Ditto.
7057         * gcse.c (find_implicit_sets, bypass_conditional_jumps,
7058         insert_insn_end_bb): Ditto.
7059         * ifcvt.c (merge_if_block, find_if_block, find_if_case_1,
7060         find_if_case_2): Ditto.
7061         * lambda-code.c (perfect_nestify): Ditto.
7062         * lcm.c (optimize_mode_switching): Ditto.
7063         * loop-doloop.c (doloop_modify): Ditto.
7064         * loop-init.c (loop_optimizer_init): Ditto.
7065         * loop-iv.c (simplify_using_initial_values): Ditto.
7066         * loop-unroll.c (unroll_loop_runtime_iterations): Ditto.
7067         * loop-unswitch.c (unswitch_loop): Ditto.
7068         * modulo-sched.c (generate_prolog_epilog): Ditto.
7069         * predict.c (combine_predictions_for_insn, estimate_probability,
7070         tree_estimate_probability, last_basic_block_p,
7071         estimate_bb_frequencies): Ditto.
7072         * profile.c (branch_prob): Ditto.
7073         * regrename.c (copyprop_hardreg_forward): Ditto.
7074         * sched-rgn.c (is_cfg_nonregular, find_rgns, update_live): Ditto.
7075         * tracer.c (layout_superblocks): Ditto.
7076         * tree-cfg.c (tree_can_merge_blocks_p, tree_merge_blocks,
7077         cfg_remove_useless_stmts_bb, cleanup_control_flow,
7078         cleanup_control_expr_graph, disband_implicit_edges,
7079         tree_find_edge_insert_loc, bsi_commit_edge_inserts,
7080         tree_verify_flow_info, tree_make_forwarder_block,
7081         tree_forwarder_block_p, remove_forwarder_block,
7082         remove_forwarder_block_with_phi, merge_phi_nodes): Ditto.
7083         * tree-if-conv.c (tree_if_conversion): Ditto.
7084         * tree-mudflap.c (mf_build_check_statement_for): Ditto.
7085         * tree-ssa-dce.c (remove_dead_stmt): Ditto.
7086         * tree-ssa-dom.c (dom_opt_finalize_block): Ditto.
7087         * tree-ssa-loop-ch.c (should_duplicate_loop_header_p,
7088         copy_loop_headers): Ditto.
7089         * tree-ssa-loop-im.c (loop_commit_inserts): Ditto.
7090         * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Ditto.
7091         * tree-ssa-loop-manip.c (split_loop_exit_edge, ip_normal_pos,
7092         lv_adjust_loop_entry_edge, tree_ssa_loop_version): Ditto.
7093         * tree-ssa-loop-niter.c (simplify_using_initial_conditions): Ditto.
7094         * tree-ssa-loop-unswitch.c (simplify_using_entry_checks): Ditto.
7095         * tree-ssa-phiopt.c (tree_ssa_phiopt, value_replacement): Ditto.
7096         * tree-ssa-pre.c (compute_antic_aux, insert_aux, init_pre): Ditto.
7097         * tree-ssa-threadupdate.c (redirect_edges): Ditto.
7098         * tree-tailcall.c (independent_of_stmt_p, find_tail_calls,
7099         eliminate_tail_call, tree_optimize_tail_calls_1): Ditto.
7100         * tree-vect-analyze.c (vect_analyze_loop_form): Ditto.
7101         * tree-vect-transform.c (vect_update_ivs_after_vectorizer): Ditto.
7102         * tree-vectorizer.c (slpeel_update_phi_nodes_for_guard,
7103         slpeel_add_loop_guard): Ditto.
7104
7105 2005-03-11  James A. Morrison  <phython@gcc.gnu.org>
7106
7107         PR tree-optimization/15784
7108         * fold-const.c (fold): Fold ~A + 1 to -A.  Fold -A - 1
7109         and -1 - A to ~A.
7110
7111         * stmt.c (expand_case): Don't change index_type.  Convert minval
7112         to the proper type.
7113
7114         PR tree-optimization/20130
7115         * fold-const.c (fold): Fold x * -1 into -x.
7116
7117 2005-03-11  Kaz Kojima  <kkojima@gcc.gnu.org>
7118
7119         PR rtl-optimization/20331
7120         * rtlanal.c (modified_between_p): Check its address first for MEM.
7121         (modified_in_p): Likewise.
7122
7123 2005-03-11  Joseph S. Myers  <joseph@codesourcery.com>
7124
7125         * config.gcc (hppa*64*-*-hpux11*): Use pa/t-hpux-shlib.
7126
7127 2005-03-10  Steven Bosscher  <stevenb@suse.de>
7128
7129         * expr.c (expand_expr_real_1): If possible, use a conditional
7130         move for expanding MIN_EXPR and MAX_EXPR.
7131         Use temp for moving around rtx-en.
7132
7133 2005-03-10  Andrew Pinski  <pinskia@physics.uc.edu>
7134
7135         PR rtl-opt/20412
7136         * simplify-rtx.c (simplify_relational_operation_1): Fix typo - check the
7137         correct mode.
7138
7139 2005-03-10  Roger Sayle  <roger@eyesopen.com>
7140
7141         * builtins.c (expand_builtin_signbit): Extend to handle floating
7142         point modes wider than the largest integer type, using the
7143         operand_subword_force function to obtain the signbit's word.
7144
7145 2005-03-10  Jakub Jelinek  <jakub@redhat.com>
7146
7147         PR target/20322
7148         * combine.c (try_combine): If recog_for_combine added CLOBBERs
7149         to NEWI2PAT, fail to combine if they are used by NEWPAT.
7150
7151 2005-03-10  Aldy Hernandez  <aldyh@redhat.com>
7152
7153         * doc/invoke.texi: Add 8540 to list of cpus in rs6000 cpu section.
7154
7155 2005-03-10  Kazu Hirata  <kazu@cs.umass.edu>
7156
7157         * tree-outof-ssa.c (analyze_edges_for_bb): Make the return
7158         type void.
7159         (perform_edge_inserts): Unconditionally call
7160         free_dominator_info.
7161
7162         * tree-outof-ssa.c (analyze_edges_for_bb): Update a comment.
7163
7164 2005-03-10  Bob Wilson  <bob.wilson@acm.org>
7165
7166         * config/xtensa/xtensa.h (MEMBER_TYPE_FORCES_BLK): Define.
7167
7168 2005-03-10  Nathan Sidwell  <nathan@codesourcery.com>
7169
7170         * bitmap.c (bitmap_copy): Remove manual loop unrolling.
7171
7172         * value-prof.c (rtl_find_values_to_profile): Use gcc_assert and
7173         gcc_unreachable.
7174         (rtl_register_value_prof_hooks,
7175         tree_value_profile_transformations,
7176         tree_register_value_prof_hooks): Likewise.
7177         * var-tracking.c (stack_adjust_offset_pre_post,
7178         variable_htab_free, variable_union, dataflow_set_different_2,
7179         count_uses, variable_was_changed, set_frame_base_location,
7180         set_variable_part, emit_note_insn_var_location, vt_emit_notes,
7181         vt_add_function_parameters): Likewise.
7182         * varasm.c (named_section_real, named_section, make_decl_rtl,
7183         asm_emit_uninitialised, assemble_integer, decode_addr_const,
7184         const_hash_1, compare_constant, copy_constant, force_const_mem,
7185         output_constant_pool_2, output_constant_pool_1, output_constant,
7186         output_constructor, make_decl_one_only, decl_tls_model,
7187         default_no_named_section, default_elf_select_section_1,
7188         default_unique_section_1): Likewise.
7189         * vec.c (vec_gc_o_reserve, vec_heap_o_reserve): Likewise.
7190         * vmsdbgout.c (addr_const_to_string): Likewise.
7191
7192         PR c++/20375
7193         * function.c (struct assign_parm_data_one): Remove last_named
7194         field.
7195         (assign_parm_find_data_types): Don't determine last_named.
7196         Reorder named_parm determination.
7197         (assign_parms): Only setup varargs on the last non-varadic
7198         parameter.
7199
7200 2005-03-10  Kazuhiro Inaoka  <inaoka.lazuhiro@renesas.com>
7201
7202         * config/m32r/m32r.md (load_sda_base_32): New pattern.  Loads
7203         sda base address on medium model.
7204
7205 2005-03-10  Zdenek Dvorak  <dvorakz@suse.cz>
7206
7207         * Makefile.in (tree-optimize.o): Add CFGLOOP_H dependence.
7208         * cfgloop.c (flow_loop_nodes_find): Export.
7209         * cfgloop.h (flow_loop_nodes_find, fix_loop_structure):
7210         Declare.
7211         * cfgloopmanip.c (fix_loop_structure): New function.
7212         * predict.c (predict_loops): Clean up the loops information.
7213         * tree-cfg.c (cleanup_tree_cfg_loop): New function.
7214         (tree_can_merge_blocks_p, remove_bb, tree_forwarder_block_p): Respect
7215         loop structure.
7216         * tree-flow.h (cleanup_tree_cfg_loop): Declare.
7217         (rewrite_into_loop_closed_ssa): Declaration changed.
7218         * tree-loop-linear.c (linear_transform_loops): Add argument to
7219         rewrite_into_loop_closed_ssa call.
7220         * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
7221         * tree-ssa-loop-im.c (move_computations): Ditto.
7222         * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
7223         * tree-vectorizer.c (vectorize_loops): Ditto.
7224         * tree-optimize.c: Include cfgloop.h.
7225         (execute_todo): Choose whether to call cleanup_tree_cfg or
7226         cleanup_tree_cfg_loop.
7227         * tree-ssa-loop-ivcanon.c (canonicalize_loop_induction_variables,
7228         (tree_unroll_loops_completely): Enable cleanup_tree_cfg_loop call.
7229         * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Enable
7230         cleanup_tree_cfg_loop call.
7231         * tree-ssa-loop-manip.c (find_uses_to_rename_bb): New function.
7232         (find_uses_to_rename, rewrite_into_loop_closed_ssa): Support
7233         work on part of cfg.
7234
7235 2005-03-10  Jakub Jelinek  <jakub@redhat.com>
7236
7237         PR inline-asm/20314
7238         * gimplify.c (gimplify_asm_expr): Handle input/output constraints
7239         with multiple alternatives.
7240
7241         * stmt.c (parse_output_constraint): Fix a typo.
7242
7243 2005-03-09  Bob Wilson  <bob.wilson@acm.org>
7244
7245         * config/xtensa/xtensa.h (TRAMPOLINE_TEMPLATE): Use "no-transform"
7246         assembly directive instead of deprecated "no-generics".
7247
7248 2005-03-09  Ulrich Weigand  <uweigand@de.ibm.com>
7249
7250         * config/s390/s390.c (s390_secondary_output_reload_class): Adapt check
7251         for non-offsettable memory references to cope with outstanding reload
7252         replacements.
7253         * config/s390/s390.md ("reload_outti"): Call find_replacement to
7254         avoid losing outstanding address reloads.
7255         ("reload_outdi", "reload_outdf"): Likewise.
7256
7257 2005-03-09  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
7258
7259         * builtins.c (fold_builtin_cbrt, fold_builtin_pow): Rearrange
7260         code.  Add more cbrt transformations.
7261
7262 2005-03-09  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
7263
7264         * fold-const.c (fold_unary_to_constant): Add FIX_ROUND_EXPR case.
7265
7266 2005-03-09  Kazu Hirata  <kazu@cs.umass.edu>
7267
7268         * fold-const.c (fold_unary, fold_binary, fold_ternary): Return
7269         NULL_TREE when a given tree is not simplified.
7270         (fold): Return the original tree when any of the functions
7271         mentioned above NULL_TREE.
7272
7273         * fold-const.c (fold_unary, fold_binary): Take decomposed
7274         arguments, code, type, op0, and op1 in case of fold_binary.
7275         (fold): Update calls to fold_unary and fold_binary.
7276
7277 2005-03-09  Roger Sayle  <roger@eyesopen.com>
7278
7279         * builtins.c (fold_builtin_unordered_cmp): Change prototype to take
7280         a fndecl and an arglist instead of a CALL_EXPR, exp.
7281
7282 2005-03-09  Kazu Hirata  <kazu@cs.umass.edu>
7283
7284         * cfglayout.c (fixup_reorder_chain): Remove old_bb.
7285
7286         * cfgrtl.c (cfg_layout_merge_blocks): Remove new_e.
7287
7288         * expr.c (expand_assignment): Remove orig_to_rtx.
7289
7290         * fold-const.c (int_const_binop): Remove no_overflow.
7291
7292         * ifcvt.c (noce_emit_move_insn): Remove inmode.
7293
7294         * loop-iv.c (get_biv_step_1): Remove lhs.
7295
7296         * loop-unroll.c (analyze_insns_in_loop): Remove preheader.
7297
7298         * real.c (real_nan): Remove neg.
7299
7300         * function.c (thread_prologue_and_epilogue_insns): Remove i
7301         and newinsn.
7302
7303         * tree-data-ref.c (array_base_name_differ_p): Remove ta and
7304         tb.
7305
7306         * tree-eh.c (tree_could_trap_p): Remove idx.
7307
7308         * tree-into-ssa.c (ann): Remove ann.
7309
7310         * tree-outof-ssa.c (num_nodes): Remove num_nodes.
7311
7312         * tree-sra.c (decide_block_copy): Remove inst_count.
7313
7314         * tree-ssa-alias.c (may_alias_p): Remove v_ann.
7315
7316         * tree-ssa-loop-im.c (lhs): Remove.
7317
7318         * cfgbuild.c (state, STATE, SET_STATE,
7319         BLOCK_USED_BY_TABLEJUMP, FULL_STATE): Move just before
7320         make_edges.
7321         (make_edges): Speed up by skipping blocks with BLOCK_ORIGINAL.
7322         (find_basic_blocks): Set the state of each basic block to
7323         BLOCK_NEW.
7324
7325 2005-03-08  Jeff Law  <law@redhat.com>
7326
7327         * tree-cfg.c (cleanup_control_flow): If removal of a computed
7328         goto results in the removal of edges in the CFG, then we need
7329         to recompute dominators.
7330
7331 2005-03-09  Ben Elliston  <bje@au.ibm.com>
7332
7333         * c-common.c (c_do_switch_warnings): Comment fix.
7334
7335 2005-03-08  Julian Brown  <julian@codesourcery.com>
7336
7337         * Patch from 2005-03-08 reverted for causing regressions and
7338         ppc-darwin bootstrap failure.
7339
7340 2005-03-08  Fariborz Jahanian <fjahanian@apple.com>
7341
7342         * config/rs6000/rs6000.c (invalid_arg_for_unprototyped_fn):
7343         Define the real function for ppc-darwin.
7344         * c-typeck.c (convert_arguments): Check for target-specific
7345         invalid argument call to unprototyped function.
7346         * target-def.h (TARGET_INVALID_ARG_FOR_UNPROTOTYPED_FN):
7347         New Macro.
7348         * target.h (invalid_arg_for_unprototyped_fn): New field
7349         in struct calls.
7350         * targhooks.c (hook_invalid_arg_for_unprototyped_fn): New
7351         default target hook.
7352         * targhooks.h (hook_invalid_arg_for_unprototyped_fn):
7353         Declare.
7354
7355 2005-03-08  Kazu Hirata  <kazu@cs.umass.edu>
7356
7357         * c-typeck.c (constructor_stack, constructor_range_stack,
7358         initializer_stack): Make them static.
7359
7360         * cfg.c (rbi_pool): Make it static.
7361
7362         * gimple-low.c (lower_stmt_body): Make it static.
7363         * tree-flow.h: Remove the corresponding prototype.  Don't
7364         declare lower_data.
7365
7366         * sched-deps.c (cache_size): Make it static.
7367
7368         * stor-layout.c (lang_adjust_rli): Make it static.
7369
7370 2005-03-08  Julian Brown  <julian@codesourcery.com>
7371
7372         * config/elfos.h (MAKE_DECL_ONE_ONLY): Redefined to stop DECL_WEAK
7373         from being used for symbols with vague linkage when
7374         HAVE_GAS_COMDAT_GROUP is true.
7375
7376 2005-03-08  J"orn Rennecke <joern.rennecke@st.com>
7377
7378         * jump.c (invert_jump_1): Don't call redirect_jump_1 with
7379         nlabel == JUMP_LABEL (jump).
7380
7381 2005-03-08  Kazu Hirata  <kazu@cs.umass.edu>
7382
7383         * c-common.c, c-opts.c, combine.c, cse.c, dojump.c,
7384         gimplify.c, tree-dfa.c, tree-ssa-loop-ivopts.c,
7385         tree-ssa-phiopt.c, tree-ssa-pre.c, tree-ssa-sink.c,
7386         tree-vect-analyze.c, tree.def, tree.h: Fix comment formatting.
7387
7388 2005-03-08  Alexey Neyman  <alex.neyman@auriga.ru>
7389
7390         PR c/14411
7391         * calls.c (flags_from_decl_or_type): Handle eturns_twice' attribute.
7392         * c-common.c (handle_returns_twice): New function.
7393         (c_common_attribute_table): Declare eturns_twice' attribute.
7394         * doc/extend.texi: Document eturns_twice' attribute.
7395         * tree.h (DECL_IS_RETURNS_TWICE): New macro.
7396         (struct tree_decl): Add returns_twice_flag.
7397
7398 2005-03-08  Kazu Hirata  <kazu@cs.umass.edu>
7399
7400         * tree-ssa-phiopt.c: Fix a comment typo.
7401
7402         * c-semantics.c, cfghooks.c, diagnostic.h, loop-iv.c,
7403         loop-unswitch.c, modulo-sched.c, stor-layout.c, tree-gimple.h,
7404         config/i386/cygwin1.c, doc/cfg.texi, doc/objc.texi: Update
7405         copyright.
7406
7407 2005-03-08  Richard Henderson  <rth@redhat.com>
7408
7409         * config/alpha/alpha.c (code_for_builtin): Replace special-case
7410         builtin codes with ctzdi2, clzdi2, popcountdi2.
7411         (struct alpha_builtin_def): Add is_const.
7412         (zero_arg_builtins, one_arg_builtins, two_arg_builtins): Init it.
7413         (alpha_v8qi_u, alpha_v8qi_s, alpha_v4hi_u, alpha_v4hi_s): New.
7414         (alpha_init_builtins): Init them.  Set nothrow and const attributes
7415         on builtins.
7416         (alpha_fold_builtin_cmpbge, alpha_fold_builtin_zapnot,
7417         alpha_fold_builtin_extxx, alpha_fold_builtin_insxx,
7418         alpha_fold_builtin_mskxx, alpha_fold_builtin_umulh,
7419         alpha_fold_vector_minmax, alpha_fold_builtin_perr,
7420         alpha_fold_builtin_pklb, alpha_fold_builtin_pkwb,
7421         alpha_fold_builtin_unpkbl, alpha_fold_builtin_unpkbw,
7422         alpha_fold_builtin_cttz, alpha_fold_builtin_ctlz,
7423         alpha_fold_builtin_ctpop, alpha_fold_builtin): New.
7424         (TARGET_FOLD_BUILTIN): New.
7425         * config/alpha/alpha.md (UNSPEC_CTTZ): Remove.
7426         (UNSPEC_CTLZ, UNSPEC_CTPOP): Remove.
7427         (ffsdi2): Use ctz.
7428         (cttz, builtin_cttz, builtin_ctlz, builtin_ctpop): Remove.
7429
7430 2005-03-08  Ira Rosen  <irar@il.ibm.com>
7431
7432         PR tree-optimization/20122
7433         * tree-vect-analyze.c (vect_object_analysis): Analyze initial
7434         condition of access function instead of base.
7435
7436 2005-03-07  Jeff Law  <law@redhat.com>
7437             Steven Bosscher  <stevenb@suse.de>
7438
7439         * tree-cfg.c (find_taken_edge_computed_goto): New function.
7440         (find_taken_edge): Call find_taken_edge_computed_goto as
7441         appropriate.  Allow any gimple invariant rather than just
7442         INTEGER_CST for VAL.
7443         (cleanup_control_flow): Cleanup a computed goto which has turned
7444         into a simple goto.
7445         (tree_merge_blocks): If block B has any forced labels, move
7446         them to the start of block A.
7447         * tree-ssa-dom.c (thread_across_edge): Allow threading across
7448         computed gotos as well.
7449         * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Handle
7450         removal of unnecessary computed gotos too.
7451         (lookup_redirection_data): Fix type of INSERT argument.  Callers
7452         updated.
7453
7454 2005-03-08  Kazu Hirata  <kazu@cs.umass.edu>
7455
7456         * tree-ssa-phiopt.c: Update copyright.  Fix indentations.
7457         Remove trailing spaces.
7458
7459         * gimplify.c (gimple_push_bind_expr, gimple_pop_bind_expr,
7460         unshare_all_trees): Make them static.
7461         * tree-gimple.h: Remove the corresponding prototypes.
7462
7463         * diagnostic.h: Remove unused prototype
7464         debug_output_buffer.
7465         * modulo-sched.c: Remove unused prototype
7466         set_row_column_for_ps.
7467
7468         * tree-ssa-phiopt.c (tree_ssa_phiopt,
7469         replace_phi_edge_with_variable): Remove unused variable i.
7470
7471 2005-03-07  Per Bothner  <per@bothner.com>
7472
7473         * tree.h (DECL_IS_BUILTIN): Reverted my patch from earlier today.
7474
7475 2005-03-06  Andrew Pinski  <pinskia@physics.uc.edu>
7476
7477         PR tree-opt/17671
7478         * tree-ssa-phiopt.c (tree_ssa_phiopt): Rewrite so we base the
7479         bbs on the COND_EXPR instead of the PHI_NODEs.
7480         (candidate_bb_for_phi_optimization): Remove.
7481         (replace_phi_with_stmt): Rename to ...
7482         (replace_phi_edge_with_variable): this and change so that we
7483         replace the phi argument instead of removing the PHI.
7484         (conditional_replacement): Change so we deal with PHI with more
7485         than two arguments.
7486         (value_replacement): Likewise.
7487         (abs_replacement): Likewise.
7488
7489 2005-03-07  Aldy Hernandez  <aldyh@redhat.com>
7490
7491         * config/rs6000/rs6000-protos.h: Rename output_e500_flip_eq_bit to
7492         output_e500_flip_gt_bit.
7493
7494         * config/rs6000/rs6000.c (print_operand): case D: Print out bit 31
7495         as bit 31.
7496         (rs6000_generate_compare): Fix logic to look at the correct bits.
7497         (output_e500_flip_eq_bit): Rename to output_e500_flip_gt_bit.
7498         Look at GT bit.
7499         (rs6000_emit_sCOND): Rename gen_e500_flip_eq_bit to
7500         gen_e500_flip_gt_bit.  Rename gen_move_from_CR_eq_bit to
7501         gen_move_from_CR_gt_bit.
7502
7503         * config/rs6000/rs6000.md ("move_from_CR_eq_bit"): Change bit
7504         ("move_from_CR_eq_bit"): Rename to move_from_CR_gt_bit.
7505         (UNSPEC_MV_CR_EQ): Rename to UNSPEC_MV_CR_GT.
7506
7507         * config/rs6000/spe.md ("e500_cr_ior_compare"): New.
7508         (E500_CR_IOR_COMPARE): New constant.
7509
7510 2005-03-08  Earl Chew <earl_chew@agilent.com>
7511             David Billinghurst <David.Billinghurst@riotinto.com>
7512
7513         * config/i386/host-cygwin.c: New file to support precompiled
7514         headers on cygwin
7515         * config/i386/x-cygwin: Use host-cygwin.c on cygwin host
7516         * config.host: Use above files for cygwin host.
7517
7518 2005-03-07  David Edelsohn  <edelsohn@gnu.org>
7519
7520         * fold-const.c (fold_binary_op_with_conditional_arg): Fix typo
7521         ordering ops from earlier change.
7522
7523 2005-03-07  Per Bothner  <per@bothner.com>
7524
7525         Various fixes to allow us to again build if --enable-mapped-location:
7526         * c-decl.c (finish_function): Use SET_EXPR_LOCATION instead of
7527         unavailable annotate_with_file_line, if USE_MAPPED_LOCATION.
7528         * tree-cfg.c (remove_bb): If USE_MAPPED_LOCATION, change type of
7529         local variable loc. Change logic appropriately.
7530         * tree-vect-transform.c (vect_finish_stmt_generation): Use
7531         EXPR_LOCATION rather than EXPR_LOCUS if USE_MAPPED_LOCATION.
7532         * c-parser.c (c_parser_for_statement): Initialize loc variable.
7533         * tree.h (DECL_IS_BUILTIN): Temporarily revert definition of
7534         DECL_IS_BUILTIN in the USE_MAPPED_LOCATION because of jc1 issues.
7535
7536 2005-03-07  Richard Sandiford  <rsandifo@redhat.com>
7537
7538         PR rtl-optimization/19683
7539         * reload1.c (choose_reload_regs): Pass the number of bits, not the
7540         number of bytes, to smallest_int_for_mode.  Fix arguments to
7541         REG_CANNOT_CHANGE_MODE_P.
7542
7543 2005-03-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
7544
7545         * reorg.c (relax_delay_slots): Check that the jump is
7546         conditional before trying to invert it.
7547
7548 2005-03-07  Kazu Hirata  <kazu@cs.umass.edu>
7549
7550         * bb-reorder.c (max_entry_frequency, max_entry_frequency):
7551         Make them static.
7552
7553         * calls (stack_arg_under_construction): Make it static.
7554
7555         * flow.c (regs_live_at_setjmp): Make it static.
7556         * flow.h: Remove the corresponding prototype.
7557
7558         * reload1.c (reload_startobj, reload_firstobj,
7559         something_needs_operands_changed, reload_inherited,
7560         reload_inheritance_insn, reload_override_in,
7561         reload_spill_index): Make them static.
7562
7563         * recog.c (verify_changes): Make it static.
7564         * recog.h: Remove the corresponding prototype.
7565
7566         * cfgbuild.c (find_sub_basic_blocks): Remove.
7567         * basic-block.h: Remove the corresponding prototype.
7568         * cfgexpand.c, cfgrtl.c: Don't mention find_sub_basic_blocks
7569         in comments.
7570         * doc/cfg.texi: Don't mention find_sub_basic_blocks.
7571
7572         * tree-ssa-operands.c (check_build_stmt): Remove.
7573
7574         * stor-layout.c (set_alignment): Remove.
7575         * tree.h: Remove the corresponding prototype.
7576
7577         * tree-ssa-pre.c (has_abnormal_preds): Make it static.
7578
7579         * tree-ssa-dce.c (control_dependence_map,
7580         visited_control_parents): Make them static.
7581
7582         * cfghooks.c (verify_flow_info): Remove local variable
7583         num_bb_notes.
7584
7585         * cfgrtl.c (rtl_verify_flow_info_1): Remove local variable
7586         last_bb_seen.
7587
7588         * loop-unswitch.c (unswitch_loop): Remove local variable src.
7589
7590 2005-03-07  David Billinghurst <David.Billinghurst@riotinto.com>
7591
7592         * config/i386/cygwin1.c(mingw_scan): Use xstrdup in calls to putenv.
7593
7594 2005-03-07  Joseph S. Myers  <joseph@codesourcery.com>
7595
7596         * config/ia64/hpux.h (LINK_SPEC): Add -z.
7597         * config/ia64/ia64.c (ia64_function_value): Return a REG not a
7598         PARALLEL for an empty structure.
7599
7600 2005-03-07  Kazu Hirata  <kazu@cs.umass.edu>
7601
7602         * fold-const.c (fold_binary): Remove handling of RANGE_EXPR.
7603
7604         * fold-const.c (fold_binary): Unroll the very first "for"
7605         loop.
7606
7607 2005-03-06  David Edelsohn  <edelsohn@gnu.org>
7608
7609         * config/rs6000/predicates.md (branch_comparison_operator): Remove
7610         redundant match_code test.
7611         (scc_comparison_operator): Swap match_operand and match_code
7612         tests.
7613         (branch_positive_comparison_operator): Same.
7614         (trap_comparison_operator): Use comparison_operator and swap with
7615         match_code test.
7616
7617 2005-03-06  Marek Michalkiewicz  <marekm@amelek.gda.pl>
7618
7619         PR target/20288
7620         * config/avr/avr.c (print_operand): Add 'p' and 'r'.
7621         (out_movhi_r_mr): Read low byte of volatile MEM first.
7622         (out_movhi_mr_r): Write high byte of volatile MEM first.
7623
7624 2005-03-05  Kazu Hirata  <kazu@cs.umass.edu>
7625
7626         * cselib.c (reg_values, reg_values_size): Make them static.
7627
7628         * cse.c (cse_reg_info_table): Make it static.
7629
7630         * fold-const.c (fold_unary): Use build1 instead of copy_node.
7631
7632 2005-03-06  Zdenek Dvorak  <dvorakz@suse.cz>
7633
7634         * cse.c (find_best_addr): Use canon_for_address.
7635
7636 2005-03-06  Kazu Hirata  <kazu@cs.umass.edu>
7637
7638         * cse.c (fold_rtx_subreg, fold_rtx_mem): New.
7639         (fold_rtx): Call fold_rtx_subreg and fold_rtx_mem to handle
7640         SUBREG and MEM, respectively.
7641
7642         * fold-const.c (fold_binary): Use code instead of t.
7643
7644         * fold-const.c (optimize_minmax_comparison): Take decomposed
7645         arguments code, type, op0, and op1 instead of t.
7646         (fold_binary): Update a call to optimize_minmax_comparison.
7647
7648         * fold-const.c (fold_range_test): Take decomposed arguments
7649         code, type, op0, and op1 instead of t.
7650         (fold_binary): Update a call to fold_range_test.
7651
7652         * fold-const.c (fold_binary_op_with_conditional_arg): Take
7653         decomposed arguments code, type, op0, and op1 instead of t.
7654         (fold_binary): Update a call to fold_range_test.
7655
7656 2005-03-06  Kazu Hirata  <kazu@cs.umass.edu>
7657
7658         * fold-const.c (fold_binary): Avoid directly using the original
7659         expression t as much as possible.
7660
7661 2005-03-05  Kazu Hirata  <kazu@cs.umass.edu>
7662
7663         * c-semantics.c (build_stmt): Use TYPE_P instead of
7664         IS_NON_TYPE_CODE_CLASS.
7665         * tree.h (IS_NON_TYPE_CODE_CLASS): Remove.
7666         (NON_TYPE_CHECK): Use TYPE_P instead of
7667         IS_NON_TYPE_CODE_CLASS.
7668
7669         * fold-const.c (fold): Remove handling of binary expressions.
7670
7671 2005-03-05  James A. Morrison  <phython@gcc.gnu.org>
7672
7673         * doc/c-tree.texi: Wrap comments in @r{}.
7674         * doc/cpp.texi: Likewise.
7675         * doc/cppinternals.texi: Likewise.
7676         * doc/extend.texi: Likewise.
7677         * doc/md.texi: Likewise.
7678         * doc/objc.texi: Likewise.
7679         * doc/sourcebuild.texi: Likewise.
7680         * doc/tm.texi: Likewise.
7681         * doc/tree-ssa.texi
7682
7683 2005-03-05  Kazu Hirata  <kazu@cs.umass.edu>
7684
7685         * predict.c (apply_return_prediction): Standardize PHI chain
7686         walking.
7687         * tree-ssa.c (ssa_redirect_edge): Likewise.
7688
7689         * genattrtab.c, genemit.c, genoutput.c, genrecog.c,
7690         gensupport.c, jump.c, tree-phinodes.c, unwind-dw2-fde-glibc.c:
7691         Update copyright.
7692
7693         * tree-phinodes.c (remove_phi_node): Drop the last argument.
7694         * tree-flow.h: Adjust the prototype for remove_phi_node.
7695         * lambda-code.c (perfect_nestify): Adjust a call to
7696         remove_phi_node.
7697         * tree-cfg.c
7698         (remove_phi_nodes_and_edges_for_unreachable_block): Likewise.
7699         * tree-outof-ssa.c (eliminate_virtual_phis, remove_ssa_form):
7700         Likewise.
7701         * tree-ssa-dce.c (remove_dead_phis): Likewise.
7702         * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
7703         * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
7704         * tree-ssa.c (kill_redundant_phi_nodes): Likewise.
7705
7706         * combine.c (simplify_and_const_int): Use gen_int_mode instead
7707         of GEN_INT (trunc_int_for_mode (...)).
7708         * loop-iv.c (iv_number_of_iterations): Likewise.
7709         * postreload.c (reload_cse_move2add): Likewise.
7710         * simplify-rtx.c (simplify_const_unary_operation,
7711         simplify_const_binary_operation): Likewise.
7712         * stor-layout.c (get_mode_bounds): Likewise.
7713
7714         * fold-const.c (fold_binary): New.
7715         (fold): Call fold_binary on binary expressions.
7716
7717 2005-03-05  Richard Sandiford  <rsandifo@redhat.com>
7718
7719         * doc/invoke.texi: Document new MIPS -msym32 and -mno-sym32 options.
7720         * config/mips/mips.h (MASK_SYM32, TARGET_SYM32): New macros.
7721         (TARGET_SWITCHES): Add -msym32 and -mno-sym32.
7722         (ABI_HAS_64BIT_SYMBOLS): Set to false if TARGET_SYM32.
7723         (ASM_SPEC): Pass down -msym32 and -mno-sym32.
7724
7725 2005-03-04  Devang Patel  <dpatel@apple.com>
7726
7727         PR tree-optimization/18815
7728         * tree-if-conv.c (combine_blocks): Adjust loop header edges for
7729         loops with zero exit edges.
7730
7731 2005-03-04  Devang Patel  <dpatel@apple.com>
7732
7733         * doc/invoke.texi: Remove reference to webpage that does not exist.
7734
7735 2005-03-04  John David Anglin  <dave.danglin@nrc-cnrc.gc.ca>
7736             Joseph S. Myers  <joseph@codesourcery.com>
7737
7738         PR c++/19797
7739         * pa/elf.h, pa64-hpux.h, som.h (ASM_OUTPUT_EXTERNAL_REAL): Define.
7740         (ASM_OUTPUT_EXTERNAL): Call pa_hpux_asm_output_external.
7741         * pa-protos.h (pa_hpux_asm_output_external): Add prototype.
7742         * pa.c (get_plabel): Change argument to symbol_ref.  Call
7743         maybe_get_identifier instead of get_identifier.
7744         (pa_hpux_asm_output_external, pa_hpux_file_end): New functions.
7745         (struct deferred_plabel): Replace name field with symbol field.
7746         (TARGET_ASM_FILE_END): Define as pa_hpux_file_end if
7747         ASM_OUTPUT_EXTERNAL_REAL is defined.
7748         (output_global_address): Use output_addr_const for output of all
7749         symbol_refs.
7750         (output_deferred_plabels): Use symbol_ref instead of name for address
7751         output.
7752         * pa.h (SYMBOL_FLAG_REFERENCED, SYMBOL_REF_REFERENCED_P,
7753         ASM_OUTPUT_SYMBOL_REF): New macros.
7754         * som.h (ASM_OUTPUT_EXTERNAL_LIBCALL): Use assemble_name_raw.  Update
7755         comment.
7756         (ASM_WEAKEN_LABEL): Use targetm.asm_out.globalize_label to globalize
7757         label.
7758
7759 2005-03-05  Joseph S. Myers  <joseph@codesourcery.com>
7760
7761         * config.gcc (hppa*64*-*-hpux11*): Use pa/pa-hpux1111.h for
7762         *-*-hpux11.[1-9]*, not just for *-*-hpux11.11.
7763
7764 2005-03-04  Jeff Law  <law@redhat.com>
7765
7766         * basic-block.h (rediscover_loops_after_threading): Declare.
7767         * tree-ssa-dom.c: Include cfgloop.h.
7768         (tree_ssa_dominator_optimize): Discover loops and some basic
7769         properties.  Remove forwarder blocks recreated by loop header
7770         canonicalization.  Also mark backedges in the CFG.
7771         * tree-ssa-threadupdate.c: Include cfgloop.h
7772         (rediscover_loops_after_threading): Define.
7773         (struct local_info): New field, JUMP_THREADED.
7774         (prune_undesirable_thread_requests): New function.
7775         (redirect_edges): Clear EDGE_ABNORMAL.  If edges were threaded
7776         then record that fact for the callers of redirct_edges.
7777         (thread_block): If BB has incoming backedges, then call
7778         prune_undesirable_thraed_requests.    Note when we are
7779         going to have to rediscover loop information.  Return a
7780         boolean indicating if any jumps were threaded.
7781         (thread_through_all_blocks): Bubble up boolean indicating
7782         if any jumps were threaded.
7783         * Makefile.in (tree-ssa-dom.o): Depend on cfgloop.h
7784         (tree-ssa-threadupdate.o): Similarly.
7785
7786 2005-03-04  Kazu Hirata  <kazu@cs.umass.edu>
7787
7788         * fold-const.c (fold_ternary): Unroll the "for" loop to
7789         extract operands.
7790
7791 2005-03-04  Andrew Haley  <aph@redhat.com>
7792
7793         * unwind-dw2-fde-glibc.c (struct
7794         unw_eh_callback_data.check_cache): New field.
7795         (frame_hdr_cache): New.
7796         (_Unwind_IteratePhdrCallback): Add ext_dl_phdr_info.
7797         Cache frame header info.
7798
7799 2005-03-04  Richard Sandiford  <rsandifo@redhat.com>
7800
7801         * rtl.h (copy_rtx_ptr_loc, print_rtx_ptr_loc, join_c_conditions)
7802         (print_c_condition): Declare.
7803         * read-rtl.c (ptr_loc): New structure.
7804         (ptr_locs, ptr_loc_obstack, joined_conditions)
7805         (joined_conditions_obstack): New variables.
7806         (leading_ptr_hash, leading_ptr_eq_p, set_rtx_ptr_loc)
7807         (get_rtx_ptr_loc, copy_rtx_ptr_loc, print_rtx_ptr_loc)
7808         (join_c_conditions, print_c_condition): New functions.
7809         (apply_macro_to_string): Associate the new string with the same
7810         source location as the old one.
7811         (add_condition_to_string): Use join_c_conditions.
7812         (read_string): Use set_rtx_ptr_loc to record a filename and line
7813         number for the string.
7814         (read_rtx): Initialize the new variables above.
7815         * genattrtab.c (write_test_expr, write_attr_value): Use
7816         print_c_condition.
7817         * genconditions.c (write_header): Don't define MAYBE_EVAL.  Move its
7818         comment above the GCC_VERSION check.
7819         (write_one_condition): Use print_rtx_ptr_loc and print_c_condition.
7820         Inline the definition of MAYBE_EVAL.
7821         * genemit.c (gen_expand, gen_split): Use print_rtx_ptr_loc.
7822         * genoutput.c (process_template): Likewise.
7823         * genpreds.c (write_predicate_subfunction): Likewise.
7824         (write_predicate_expr): Use print_c_condition.
7825         * genrecog.c (write_cond): Likewise.
7826         * gensupport.c (process_rtx): Use join_c_conditions to join the
7827         conditions of a define_insn_and_split.  Record a source location
7828         for the string after the "&&".
7829         (alter_test_for_insn): Use join_c_conditions.
7830
7831 2005-03-04  Andrew Pinski  <pinskia@physics.uc.edu>
7832
7833         Revert for now:
7834         2005-03-03  James A. Morrison  <phython@gcc.gnu.org>
7835         PR tree-optimization/15784
7836         * fold-const.c (fold): Fold ~A + 1 to -A.  Fold -A - 1
7837         and -1 - A to ~A.
7838
7839 2005-03-04  Ben Elliston  <bje@au.ibm.com>
7840
7841         * gcc.c (option_map): Add --coverage.
7842         (LINK_COMMAND_SPEC): Pass -lgcov for `coverage'.
7843         (cc1_options): Pass -fprofile-arcs -ftest-coverage for `coverage'.
7844         * config/darwin.h: Pass -lgcov for `coverage'.
7845         * doc/invoke.texi (Debugging Options): Document --coverage.
7846
7847 2005-03-04  Kazu Hirata  <kazu@cs.umass.edu>
7848
7849         * gcse.c (bypass_block): Use find_edge wherever possible.
7850
7851 2005-03-03  Daniel Berlin <dberlin@dbrelin.org>
7852
7853         Fix PR debug/20253
7854
7855         * c-opts.c (c_common_parse_file): Call start_source_file
7856         and end_source_file at the approriate times.
7857
7858         * dwarf2out.c (dwarf2out_finish): Don't auto-end
7859         the main file, it will be done for us now.
7860
7861 2005-03-04  Kazu Hirata  <kazu@cs.umass.edu>
7862
7863         * fold-const.c (fold_ternary): New.
7864         (fold): Call fold_ternary on ternary expressions.  Remove
7865         handling of ternary expressions.
7866
7867 2005-03-03  James A. Morrison  <phython@gcc.gnu.org>
7868
7869         PR tree-optimization/15784
7870         * fold-const.c (fold): Fold ~A + 1 to -A.  Fold -A - 1
7871         and -1 - A to ~A.
7872
7873 2005-03-03  David Edelsohn  <edelsohn@gnu.org>
7874
7875         * config/rs6000/predicates.md (branch_comparison_operator):
7876         Convert from C block to conditional format.
7877
7878 2005-03-03  Jan Hubicka  <jh@suse.cz>
7879
7880         * tree-dfa.c (add_referenced_var): Don't walk initializer of external
7881         and non-constant public variables.
7882
7883 2005-03-03  Kazu Hirata  <kazu@cs.umass.edu>
7884
7885         * tree-cfg.c (stmt_starts_bb_p): Clean up by replacing code
7886         with LABEL_EXPR.
7887
7888         * cfgexpand.c (construct_exit_block): Use EDGE_PRED instead of
7889         EDGE_I.
7890
7891         * tree-phinodes.c (remove_phi_node): Clean up by factoring out
7892         calls to release_ssa_name and release_phi_node.
7893
7894         * fold-const.c (fold): Remove handling of unary expressions.
7895
7896         * fold-const.c (fold_unary): Avoid directly using the original
7897         expression t as much as possible.
7898
7899 2005-03-03  Roger Sayle  <roger@eyesopen.com>
7900             Andrew Pinski  <pinskia@physics.uc.edu>
7901
7902         * jump.c (redirect_exp_1): If nlabel is a NULL pointer create a
7903         RETURN rtx, and not a LABEL_REF containing a NULL pointer.
7904
7905 2005-03-03  Hans-Peter Nilsson  <hp@axis.com>
7906
7907         Describe special registers SRP and MOF as allocatable registers.
7908         * config/cris/cris.c (cris_md_asm_clobbers): New function.
7909         (TARGET_MD_ASM_CLOBBERS): Define to cris_md_asm_clobbers.
7910         (cris_conditional_register_usage): Enable CRIS_MOF_REGNUM if
7911         TARGET_HAS_MUL_INSNS.
7912         (cris_print_operand) <case 'd'>: New case.
7913         <case REG>: Allow CRIS_MOF_REGNUM and CRIS_SRP_REGNUM.
7914         * config/cris/cris.h (CRIS_PC_REGNUM, CRIS_SRP_REGNUM): Don't
7915         define.
7916         (FIRST_PSEUDO_REGISTER, FIXED_REGISTERS, CALL_USED_REGISTERS)
7917         (REG_ALLOC_ORDER): Update for MOF.
7918         (enum reg_class): New members MOF_REGS, GENERAL_REGS and
7919         SPECIAL_REGS.
7920         (GENERAL_REGS): No longer a define of ALL_REGS.
7921         (REGNO_REG_CLASS, REG_CLASS_CONTENTS, REG_CLASS_NAMES)
7922         (PREFERRED_RELOAD_CLASS, REGISTER_NAMES, DBX_REGISTER_NUMBER):
7923         Adjust accordingly.
7924         (CRIS_SPECIAL_REGS_CONTENTS): New macro.
7925         (REG_CLASS_FROM_LETTER): Allocate 'h' and 'x'.
7926         (SECONDARY_RELOAD_CLASS): Define.
7927         (STACK_POINTER_REGNUM): Define as CRIS_SP_REGNUM.
7928         (FRAME_POINTER_REGNUM): Define as CRIS_FP_REGNUM.
7929         (ARG_POINTER_REGNUM): Define as CRIS_AP_REGNUM.
7930         (STATIC_CHAIN_REGNUM): Define as CRIS_STATIC_CHAIN_REGNUM.
7931         (REGISTER_MOVE_COST): Define.
7932         (PIC_OFFSET_TABLE_REGNUM): Define in terms of CRIS_GOT_REGNUM.
7933         * config/cris/cris.md (CRIS_GOT_REGNUM, CRIS_STATIC_CHAIN_REGNUM)
7934         (CRIS_FP_REGNUM, CRIS_SP_REGNUM, CRIS_SRP_REGNUM, CRIS_AP_REGNUM)
7935         (CRIS_MOF_REGNUM): New define_constants.
7936         ("*movsi_internal", "movhi", "movqi", "movsf"): Add alternatives for
7937         special registers.
7938         ("reload_inhi", "reload_outhi", "reload_inqi", "reload_outqi"):
7939         New patterns.
7940         ("umulhisi3", "umulqihi3", "mulsi3", "mulqihi3", "mulhisi3")
7941         ("mulsidi3", "umulsidi3", "smulsi3_highpart", "umulsi3_highpart"):
7942         Adjust for MOF being properly described as a register.
7943         (indir_to_reg_split): Name this split.  Conditionalize on the
7944         destination register being a general register.
7945         (movei): Conditionalize on on operands 0 and 1 having the same
7946         register class.
7947
7948 2005-03-03  Alan Modra  <amodra@bigpond.net.au>
7949
7950         PR target/20277
7951         * config/rs6000/rs6000.c (rs6000_override_options): Don't allow
7952         -mcpu to override any other explicitly given flags.
7953
7954 2005-03-02  J"orn Rennecke <joern.rennecke@st.com>
7955
7956         * recog.c (verify_changes, confirm_change_group): New functions,
7957         broken out of apply_change_group.
7958         (apply_change_group): Use them.
7959         * recog.h (verify_change, confirm_change_group): Declare.
7960         * rtl.h (redirect_jump_2): Declare.
7961         * jump.c (redirect_exp, invert_exp): Delete.
7962         (invert_exp_1): Take second parameter.  Return value.  Changed caller.
7963         (redirect_jump_2): New function, broken out of redirect_jump.
7964         (redirect_jump): Use redirect_jump_1 and redirect_jump_2.
7965         (invert_jump): Use invert_jump_1 and redirect_jump_2.
7966         * ifcvt.c (dead_or_predicable): Use redirect_jump_2.
7967
7968 2005-03-02  Geoffrey Keating  <geoffk@apple.com>
7969
7970         * varasm.c (named_section): Use xstrdup rather than doing it by
7971         hand.
7972
7973         * config/darwin8.h (LIB_SPEC): Switch -lmx and -lSystem.
7974
7975 2005-03-02  Devang Patel  <dpatel@apple.com>
7976
7977         Undo PR tree-optimization/18815 fix.
7978
7979 2005-03-02  Devang Patel  <dpatel@apple.com>
7980
7981         PR tree-optimization/18815
7982         * tree-if-conv.c (combine_blocks): Adjust loop header edges for
7983         loops with zero exit edges.
7984
7985 2005-03-02  Kazu Hirata  <kazu@cs.umass.edu>
7986
7987         * cfg.c (connect_src, connect_dest, disconnect_src,
7988         disconnct_dest): New.
7989         (unchecked_make_edge, remove_edge, redirect_edge_succ,
7990         redirect_edge_pred): Use the new functions.
7991
7992         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Call
7993         free_dominance_info only when needed.
7994
7995 2005-03-02  David Edelsohn  <edelsohn@gnu.org>
7996
7997         PR target/20276
7998         * config/rs6000/predicates.md (reg_or_cint64_operand): Fix typo.
7999         (reg_or_sub_cint64_operand): Same.
8000
8001 2005-03-02  Jeff Law  <law@redhat.com>
8002
8003         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Fix setting of
8004         CFG_ALTERED in the main DOM iteration loop.
8005
8006 2005-03-02  Mark Mitchell  <mark@codesourcery.com>
8007
8008         PR c++/19916
8009         * varasm.c (initializer_constant_valid_p): Allow conversions
8010         between OFFSET_TYPEs.  Tidy.
8011
8012 2005-03-02  Hans-Peter Nilsson  <hp@axis.com>
8013
8014         * config/cris/cris.md ("return"): Remove epilogue delay list
8015         sanity check.
8016
8017 2005-03-02  Daniel Jacobowitz  <dan@codesourcery.com>
8018
8019         * config/arm/linux-elf.h (ARM_FUNCTION_PROFILER): Do not use (PLT)
8020         for Thumb.
8021         * config/arm/netbsd-elf.h (ARM_FUNCTION_PROFILER): Likewise.
8022
8023 2005-03-02  Kazu Hirata  <kazu@cs.umass.edu>
8024
8025         * cfgloop.h, cfgloopanal.c, cfgloopmanip.c, conflict.c,
8026         loop-init.c, loop-unroll.c, print-tree.c, reg-notes.def,
8027         config/m68k/m68k.c, config/mips/mips.h,
8028         config/rs6000/rs6000-protos.h, doc/contrib.texi,
8029         doc/include/gcc-common.texi: Update copyright.
8030
8031         PR middle-end/18029 and PR middle-end/18030
8032         * expr.c (optimize_bitfield_assignment_op): Add a special case
8033         to handle BIT_IOR_EXPR and BIT_XOR_EXPR.
8034
8035         * fold-const.c (fold_unary): New.
8036         (fold): Call fold_unary on unary expressions.
8037
8038 2005-03-02  Richard Guenther  <rguenth@gcc.gnu.org>
8039
8040         * cgraph.h (struct cgraph_edge): Add prev_caller and
8041         prev_callee fields.
8042         (cgraph_node_remove_callees): Export.
8043         * cgraph.c (cgraph_create_edge): Initialize prev_caller
8044         and prev_callee.
8045         (cgraph_edge_remove_callee): New function.
8046         (cgraph_edge_remove_caller): Likewise.
8047         (cgraph_remove_edge): Use.
8048         (cgraph_redirect_edge_callee): Likewise.
8049         (cgraph_node_remove_callees): New function.
8050         (cgraph_node_remove_callers): Likewise.
8051         (cgraph_remove_node): Use.
8052         * tree-optimize.c (tree_rest_of_compilation): Use
8053         cgraph_node_remove_callees instead of manual loop.
8054         * cgraphunit.c (cgraph_finalize_function): Likewise.
8055         (cgraph_expand_function): Likewise.
8056         (cgraph_remove_unreachable_nodes): Likewise.
8057
8058 2005-03-02  Joseph S. Myers  <joseph@codesourcery.com>
8059
8060         PR c/8927
8061         * c-tree.h (undeclared_variable, build_external_ref): Add extra
8062         argument.
8063         * c-decl.c (undeclared_variable): Take location as argument.
8064         * c-typeck.c (build_external_ref): Likewise.
8065         * c-parser.c (c_parser_postfix_expression): Pass location of
8066         identifier to build_external_ref.
8067
8068 2005-03-01  David Edelsohn  <edelsohn@gnu.org>
8069
8070         * config/rs6000/rs6000.md (cceq splitter): Use operand mode, not
8071         CCEQ mode for branch_positive_comparison_operator test.
8072         * config/rs6000/predicates (branch_comparison_operator): Revert to
8073         define_predicate.
8074         (scc_comparison_operator): Same.
8075         (branch_positive_comparison_operator): Same.
8076
8077 2005-03-01  Hans-Peter Nilsson  <hp@axis.com>
8078
8079         * config/cris/cris.c (cris_eligible_for_epilogue_delay)
8080         (cris_delay_slots_for_epilogue): Remove.
8081         (save_last): Move into cris_target_asm_function_epilogue.
8082         (cris_target_asm_function_epilogue): Remove tests for file being
8083         NULL.
8084         * config/cris/cris-protos.h (cris_eligible_for_epilogue_delay)
8085         (cris_delay_slots_for_epilogue): Remove prototypes.
8086         * config/cris/cris.h (DELAY_SLOTS_FOR_EPILOGUE)
8087         (ELIGIBLE_FOR_EPILOGUE_DELAY): Do not define.
8088
8089 2005-03-01  David Edelsohn  <edelsohn@gnu.org>
8090
8091         * config/rs6000/predicates.md (branch_comparison_operator): Change
8092         to define_special_predicate.
8093         (scc_comparison_operator): Same.
8094         (branch_positive_comparison_operator): Same.
8095
8096 2005-03-01  Daniel Berlin <dberlin@dberlin.org>
8097
8098         * Makefile.in (tree-ssa-sink.o): New.
8099         (OBJS-common): Add tree-ssa-sink.o.
8100         * common.opt: Add -ftree-sink
8101         * opts.c (decode_options): flag_tree_sink is set at O1 or higher.
8102         * timevar.def (TV_TREE_SINK): new timevar.
8103         * tree-flow.h (is_hidden_global_store): Prototype.
8104         * tree-optimize.c (init_tree_optimization_passes): Add
8105         pass_sink_code.
8106         * tree-pass.h (pass_sink_code): New.
8107         * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Move checking
8108         for non-obvious global store store to is_hidden_global_store, and
8109         call that new function.
8110         * tree-ssa-sink.c: New file.
8111         * doc/invoke.texi: Document -fdump-tree-sink and -ftree-sink.
8112         * doc/passes.texi: Document forward store motion.
8113         * testsuite/gcc.dg/tree-ssa/ssa-sink-1.c: New test
8114         * testsuite/gcc.dg/tree-ssa/ssa-sink-2.c: New test
8115         * testsuite/gcc.dg/tree-ssa/ssa-sink-3.c: New test
8116         * testsuite/gcc.dg/tree-ssa/ssa-sink-4.c: New test
8117
8118 2005-03-01  Per Bothner  <per@bothner.com>
8119
8120         * diagnostic.c (diagnostic_build_prefix): If USE_MAPPED_LOCATION
8121         and we have a non-zero column-number, add it to the message.
8122         Also factor out the diagnostic_kind_text.
8123
8124 2005-03-01  Zdenek Dvorak  <dvorakz@suse.cz>
8125
8126         * cfgloop.c (flow_loop_entry_edges_find, flow_loop_exit_edges_find,
8127         flow_loop_pre_header_scan, flow_loop_pre_header_find,
8128         flow_loop_scan): Removed.
8129         (flow_loop_dump): Do not dump removed fields.
8130         (flow_loop_free): Do not free removed fields.
8131         (flow_loops_find): Flags argument removed.  Do not call flow_loop_scan.
8132         (loop_exit_edge_p): New function.
8133         * cfgloop.h (struct loop): Removed fields pre_header, pre_header_edges,
8134         num_pre_header_edges, entry_edges, num_entries, exit_edges,
8135         num_exits, exits_doms.
8136         (LOOP_TREE, LOOP_PRE_HEADER, LOOP_ENTRY_EDGES, LOOP_EXIT_EDGES,
8137         LOOP_EDGES, LOOP_ALL): Removed.
8138         (flow_loop_scan): Declaration removed.
8139         (loop_exit_edge_p, mark_loop_exit_edges): Declare.
8140         * cfgloopmanip.c (create_loop_notes): Do not pass flags to
8141         flow_loops_find.
8142         * ifcvt.c (mark_loop_exit_edges): Moved to cfgloopanal.c.
8143         (if_convert): Call flow_loops_find and flow_loops_free
8144         when calling mark_loop_exit_edges.
8145         * cfgloopanal.c (mark_loop_exit_edges): Moved from
8146         ifcvt.c.  Removed the flow_loops_find, flow_loops_free and
8147         free_dominance_info calls.
8148         * loop-init.c (flow_loops_find): Ditto.
8149         * passes.c (rest_of_handle_branch_prob): Ditto.
8150         * lambda-code.c (perfect_nestify): Do not call flow_loops_find.
8151         * loop-unroll.c (analyze_insns_in_loop): Do not use
8152         EDGE_LOOP_EXIT.
8153         * predict.c (predict_loops): Do not call flow_loop_scan.
8154         Use get_loop_exit_edges.
8155         (tree_estimate_probability): Do not pass flags to flow_loops_find.
8156         * tree-if-conv.c (bb_with_exit_edge_p): Take loop as argument.
8157         Do not use EDGE_LOOP_EXIT.
8158         (tree_if_convert_cond_expr, if_convertible_modify_expr_p): Pass loop
8159         to bb_with_exit_edge_p.
8160         (if_convertible_loop_p): Do not call flow_loop_scan.  Use
8161         loop->single_exit.  Do not use EDGE_LOOP_EXIT.  Pass loop
8162         to bb_with_exit_edge_p.
8163         (combine_blocks): Pass loop to bb_with_exit_edge_p.  Do not use
8164         EDGE_LOOP_EXIT.
8165         * tree-loop-linear.c (linear_transform_loops): Do not call
8166         flow_loop_scan.  Use loop->single_exit.
8167         * tree-vect-analyze.c (vect_analyze_operations): Use loop->single_exit.
8168         (vect_analyze_loop_form): Do not call flow_loop_scan.
8169         * tree-vect-transform.c (vect_update_ivs_after_vectorizer): Use
8170         loop->single_exit.
8171         (vect_do_peeling_for_loop_bound): Use loop_preheader_edge and
8172         loop->single_exit.
8173         * tree-vectorizer.c (slpeel_update_phis_for_duplicate_loop,
8174         slpeel_make_loop_iterate_ntimes, slpeel_can_duplicate_loop_p,
8175         slpeel_tree_duplicate_loop_to_edge_cfg,
8176         slpeel_verify_cfg_after_peeling, slpeel_tree_peel_loop_to_edge):
8177         Use loop_preheader_edge and loop->single_exit.  Do not call
8178         flow_loop_scan.
8179
8180 2005-03-01  Nick Clifton  <nickc@redhat.com>
8181
8182         * config/arm/arm.c (thumb_find_work_register): Check all of the
8183         argument registers to see if they are free, and a couple of
8184         special cases where the last argument register but can be proved
8185         to be available during the function's prologue.
8186         (print_multi_reg, arm_compute_save_reg0_reg12_mask,
8187         output_return_instruction, emit_multi_reg_push, thumb_pushpop,
8188         thumb_unexpanded_epilogue): Use unsigned long as the type for the
8189         register bit-mask.
8190         (thumb_compute_save_reg_mask): Likewise.  Also use
8191         thumb_find_work_register() to ensure that there is agreement about
8192         which work register is going to be used in the prologue.
8193         (thumb_output_function_prologue): Use unsigned long as the type
8194         for the register bit-mask.  Also delay pushing the link register if
8195         other high registers are going to be pushed.
8196         (thumb_compute_save_reg_mask, emit_multi_reg_push,
8197         print_multi-reg, number_of_first_bit_set, thumb_pushpop): Remove
8198         redundant prototypes.
8199
8200 2005-02-28  John David Anglin  <dave.anglin#nrc-cnrc.gc.ca>
8201
8202         PR target/19819
8203         * pa.h (GO_IF_LEGITIMATE_ADDRESS): Allow allow hard registers during
8204         and after reload in REG+REG indexed addresses without REG_POINTER
8205         set in the base and not set in the index.
8206
8207 2005-02-28  Kaz Kojima  <kkojima@gcc.gnu.org>
8208
8209         * config/sh/linux.h (MD_EXEC_PREFIX, MD_STARTFILE_PREFIX):
8210         Don't undefine here.
8211         (HANDLE_PRAGMA_PACK_PUSH_POP): Delete.
8212         (NO_IMPLICIT_EXTERN_C, CPLUSPLUS_CPP_SPEC): Likewise.
8213         (TARGET_OS_CPP_BUILTINS): Use LINUX_TARGET_OS_CPP_BUILTINS.
8214         (LIB_SPEC, LINK_EH_SPEC, STARTFILE_SPEC, ENDFILE_SPEC,
8215         LINK_GCC_C_SEQUENCE_SPEC, USE_LD_AS_NEEDED, TARGET_C99_FUNCTIONS):
8216         Delete.
8217         * config.gcc (sh*-*-linux*): Use config/linux.h.
8218
8219 2005-02-28  Dale Johannesen  <dalej@apple.com>
8220             Stan Shebs  <shebs@apple.com>
8221
8222         Rewrite of 64-bit Darwin structure-by-value pass/return.
8223         * config/rs6000/rs6000.h (CUMULATIVE_ARGS): New fields
8224         intoffset, use_stack, named.
8225         * config/rs6000/rs6000.c (rs6000_darwin64_function_arg):  Remove.
8226         (rs6000_darwin64_record_arg_advance_flush):  New.
8227         (rs6000_darwin64_record_arg_advance_recurse): New.
8228         (rs6000_darwin64_record_arg_flush):  New.
8229         (rs6000_darwin64_record_arg_recurse):  New.
8230         (rs6000_darwin64_record_arg):  New.
8231         (rs6000_return_in_memory):  Remove AGGREGATE_TYPE_P check.
8232         (function_arg_boundary):  Handle 128-bit aligned structs.
8233         (function_arg_advance):  Rewrite darwin64 struct handling.
8234         (function_arg):  Call rs6000_darwin64_record_arg.
8235         (function_arg_partial_nregs):  Handle darwin64 structs.
8236         (rs6000_darwin64_function_value):  Remove.
8237         (rs6000_function_value):  Call rs6000_darwin64_record_arg.
8238
8239 2005-02-28  Roger Sayle  <roger@eyesopen.com>
8240
8241         PR tree-optimization/20216
8242         * tree-chrec.c (tree_fold_factorial): Delete.
8243         (tree_fold_binomial): Change argument list to take a return type
8244         and change the type of K to unsigned int.  Rewrite to avoid explicit
8245         evaluation of factorials, and (recursively) calling fold to perform
8246         compile-time arithmetic.  Return NULL on (internal) overflow.
8247         (chrec_evaluate): Change type of K to an unsigned int.  Avoid
8248         calling tree_fold_binomial unnecessarily.  Return chrec_dont_know
8249         if any intermediate calculation overflows.
8250         (chrec_apply): Update call to chrec_evaluate.
8251
8252 2005-02-28  James E Wilson  <wilson@specifixinc.com>
8253
8254         * config/mips/mips.h (NO_PROFILE_COUNTERS): Define.
8255
8256 2005-02-28  Joseph S. Myers  <joseph@codesourcery.com>
8257
8258         PR c/20245
8259         * c-parser.c (c_parser_compound_statement): Return error_mark_node
8260         instead of NULL_TREE on error.
8261
8262 2005-02-28  David Edelsohn  <edelsohn@gnu.org>
8263
8264         * config/rs6000/rs6000.c (EASY_VECTOR_15): Remove.
8265         (EASY_VECTOR_15_ADD_SELF): Remove.
8266         (num_insns_constant_wide): Not static.
8267         (validate_condition_mode): Not static.
8268         (toc_relative_expr_p): Not static.
8269         (legitimate_indirect_address_p): Not static.
8270         (macho_lo_sum_memory_operand): Not static.
8271         (invalid_e500_subreg): Not static.
8272         (easy_vector_same): Not static.
8273         (easy_vector_splat_const): Not static.
8274         (RS6000_SYMBOL_REF_TLS_P): Remove.
8275         (any_operand): Delete.
8276         (any_parallel_operand): Delete.
8277         (count_register_operand): Delete.
8278         (altivec_register_operand): Delete.
8279         (xer_operand): Delete.
8280         (s8bit_cint_operand): Delete.
8281         (short_cint_operand): Delete.
8282         (u_short_cint_operand): Delete.
8283         (non_short_cint_operand): Delete.
8284         (exact_log2_cint_operand): Delete.
8285         (gpc_reg_operand): Delete.
8286         (cc_reg_operand): Delete.
8287         (cc_reg_not_cr0_operand): Delete.
8288         (reg_or_short_operand): Delete.
8289         (reg_or_neg_short_operand): Delete.
8290         (reg_or_aligned_short_operand): Delete.
8291         (reg_or_u_short_operand): Delete.
8292         (reg_or_cint_operand): Delete.
8293         (reg_or_arith_cint_operand): Delete.
8294         (reg_or_add_cint64_operand): Delete.
8295         (reg_or_sub_cint64_operand): Delete.
8296         (reg_or_logical_cint_operand): Delete.
8297         (got_operand): Delete.
8298         (got_no_const_operand): Delete.
8299         (easy_fp_constant): Delete.
8300         (easy_vector_constant): Delete.
8301         (easy_vector_constant_add_self): Delete.
8302         (zero_constant): Delete.
8303         (zero_fp_constant): Delete.
8304         (volatile_mem_operand): Delete.
8305         (offsettable_mem_operand): Delete.
8306         (mem_or_easy_const_operand): Delete.
8307         (add_operand): Delete.
8308         (non_add_cint_operand): Delete.
8309         (logical_operand): Delete.
8310         (non_logical_cint_operand): Delete.
8311         (mask_operand): Delete.
8312         (mask_operand_wrap): Delete.
8313         (mask64_operand): Delete.
8314         (mask64_2_operand): Delete.
8315         (and64_operand): Delete.
8316         (and64_2_operand): Delete.
8317         (and_operand): Delete.
8318         (reg_or_mem_operand): Delete.
8319         (lwa_operand): Delete.
8320         (symbol_ref_operand): Delete.
8321         (call_operand): Delete.
8322         (current_file_function_operand): Delete.
8323         (input_operand): Delete.
8324         (rs6000_nonimmediate_operand): Delete.
8325         (rs6000_tls_symbol_ref): Delete.
8326         (save_world_operation): Delete.
8327         (restore_world_operation): Delete.
8328         (load_multiple_operation): Delete.
8329         (store_multiple_operation): Delete.
8330         (vrsave_operation): Delete.
8331         (mfcr_operation): Delete.
8332         (mtcrf_operation): Delete.
8333         (lmw_operation): Delete.
8334         (stmw_operation): Delete.
8335         (branch_comparison_operator): Delete.
8336         (branch_positive_comparison_operator): Delete.
8337         (scc_comparison_operator): Delete.
8338         (trap_comparison_operator): Delete.
8339         (boolean_operator): Delete.
8340         (boolean_or_operator): Delete.
8341         (min_max_operator): Delete.
8342         * config/rs6000/rs6000.h (RS6000_SYMBOL_REF_TLS_P): Move to here.
8343         (EASY_VECTOR_15): Moved to here.
8344         (EASY_VECTOR_15_ADD_SELF): Move to here.
8345         (PREDICATE_CODES): Delete.
8346         * config/rs6000/rs6000-protos.h: Delete predicate functions.
8347         Declare functions no longer static.
8348         * config/rs6000/predicates.md: New.
8349         * config/rs6000/rs6000.md: Include predicates.md
8350
8351 2005-02-28  Kazu Hirata  <kazu@cs.umass.edu>
8352
8353         * calls.c (emit_call_1): Don't use  REG_ALWAYS_RETURN.
8354         (emit_library_call_value_1): Don't use LCT_ALWAYS_RETURN and
8355         REG_ALWAYS_RETURN.
8356         * cfgrtl.c (need_fake_edge_p): Likewise.
8357         * combine.c (distribute_notes): Likewise.
8358         * emit-rtl.c (try_split): Likewise.
8359         * recog.c (peephole2_opimize): Likewise.
8360         * reg-notes.def (ALWAYS_RETURN): Remove.
8361         * rtl.h (LCT_ALWAYS_RETURN): Remove.
8362         * tree-cfg.c (need_fake_edge_p): Don't use ECF_ALWAYS_RETURN.
8363         * tree.h (ECF_ALWAYS_RETURN): Remove.
8364
8365 2005-02-28  Roger Sayle  <roger@eyesopen.com>
8366
8367         PR middle-end/19874
8368         * tree-ssa.c (tree_ssa_useless_type_conversion_1): A conversion
8369         between different machine modes is never a "useless" conversion.
8370
8371 2005-02-28  Geert Bosch  <bosch@gnat.com>
8372
8373         PR ada/15977
8374         * doc/contrib.texi: List contributors for Ada front end
8375
8376 2005-02-28 Paolo Bonzini <bonzini@gnu.org>
8377
8378         * simplify-rtx.c (simplify_unary_operation_1,
8379         simplify_const_unary_operation): New, extracted from...
8380         (simplify_unary_operation): ... this one.
8381         (simplify_binary_operation_1,
8382         simplify_const_binary_operation): New, extracted from...
8383         (simplify_binary_operation): ... this one.
8384         * rtl.h (simplify_const_unary_operation,
8385         simplify_const_binary_operation): Add prototypes.
8386
8387 2005-02-28  Julian Brown  <julian@codesourcery.com>
8388
8389         * config/elfos.h: Revert my patch from 2005-02-25 since it broke
8390         building libjava and caused PR regression/20228.
8391
8392 2005-02-28  Paolo Bonzini  <bonzini@gnu.org>
8393
8394         PR bootstrap/17383
8395         * Makefile.in (host_subdir): New.
8396         (build_objdir): New.  Replace ../$(build_subdir) with it throughout.
8397         * configure: Regenerate.
8398
8399 2005-02-27  Zack Weinberg  <zack@codesourcery.com>
8400
8401         * config/alpha/t-osf4, config/arm/t-netbsd, config/ia64/t-hpux
8402         * config/pa/t-hpux-shlib (SHLIB_INSTALL): Create the
8403         installation directory first.
8404
8405 2005-02-28  Hans-Peter Nilsson  <hp@axis.com>
8406
8407         PR target/19065.
8408         * config/cris/cris.h (EXTRA_CONSTRAINT_Q): Accept only (mem (reg)),
8409         not including (reg). Do not check for reg being CRIS_PC_REGNUM.
8410         (EXTRA_MEMORY_CONSTRAINT): Define as 'Q'.
8411         * config/cris/cris.md: Tweak comments referring to Q.
8412         ("cmpsi", "cmphi", "cmpqi", "*movsi_internal", "movhi")
8413         ("movstricthi", "movqi", "movstrictqi", "movsf", "addsi3")
8414         ("addhi3", "addqi3", "subsi3", "subhi3", "subqi3")
8415         ("*expanded_andsi", "*expanded_andhi", "*andhi_lowpart", "andqi3")
8416         ("*andqi_lowpart", "iorsi3", "iorhi3", "iorqi3", "uminsi3"):
8417         Insert spaces in constraints to align alternatives vertically for
8418         readability.
8419         ("cmphi"): Ditto.  Add separate alternative for operand 0 "r",
8420         operand 1: "M".
8421
8422 2005-02-27  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
8423
8424         PR rtl-optimization/17728
8425         * pa.md (mulsi3, divsi3, udivsi3, modsi3): Change predicate for
8426         operand 0 from general_operand to move_dest_operand.
8427
8428 2005-02-26  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
8429
8430         * pa/elf.h, pa/som.h (ASM_OUTPUT_EXTERNAL): Use assemble_name_raw
8431         instead of trying to save and restore TREE_SYMBOL_REFERENCED.
8432         * pa/pa64-hpux.h (ASM_OUTPUT_TYPE_DIRECTIVE): Define.
8433         (ASM_OUTPUT_EXTERNAL): Don't save and restore TREE_SYMBOL_REFERENCED.
8434
8435 2005-02-26  Nathanael Nerode  <neroden@gcc.gnu.org>
8436
8437         * configure.ac: Rename cc_for_cross_gnattools to host_cc_for_libada.
8438         * configure: Regenerate.
8439         * libada-mk.in: Remove CC; rename
8440         cc_for_cross_gnattools / cc_set_by_configure to host_cc_for_libada.
8441
8442 2005-02-26  Andrew Pinski  <pinskia@physics.uc.edu>
8443
8444         PR tree-opt/20188
8445         * tree-ssa-alias.c (count_uses_and_derefs): If we have TREE_LIST
8446         for the lhs, also walk over the tree.  Likewise for rhs.
8447
8448 2005-02-26  Zdenek Dvorak  <dvorakz@suse.cz>
8449
8450         * tree-ssa-dom.c (simple_iv_increment_p): New function.
8451         (simplify_rhs_and_lookup_avail_expr, eliminate_redundant_computations):
8452         Do not propagate value of iv before increment over the increment.
8453
8454 2005-02-25  Joseph S. Myers  <joseph@codesourcery.com>
8455
8456         * c-parser.c: New file.
8457         * c-parse.in: Remove.
8458         * Makefile.in (c-parse.o-warn, c-parse.o, c-parse.c, c-parse.y):
8459         Remove.
8460         (c-parser.o): Add dependencies.
8461         (C_AND_OBJC_OBJC, C_OBJS, gcc.srcextra, GTFILES, distclean,
8462         maintainer-clean, TAGS): Update.
8463         * c-config-lang.in (gtfiles): Update.
8464         * gengtype-lex.l: Don't handle "@@".
8465         * stub-objc.c (objc_get_class_ivars, objc_build_throw_stmt,
8466         objc_build_synchronized, objc_begin_try_stmt,
8467         objc_begin_catch_clause, objc_finish_catch_clause,
8468         objc_build_finally_clause, objc_finish_try_stmt): New.
8469         * c-tree.h (struct c_declspecs): Add declspecs_seen_p and
8470         type_seen_p.
8471         (c_parse_init): Update comment.
8472         * c-decl.c (c_init_decl_processing): Update comment.
8473         (build_null_declspecs, declspecs_add_qual, declspecs_add_type,
8474         declspecs_add_scspec, declspecs_add_attrs): Initialize and update
8475         new c_declspecs members.
8476
8477 2005-02-25  Julian Brown  <julian@codesourcery.com>
8478
8479         * config/elfos.h (MAKE_DECL_ONE_ONLY): Redefined to stop DECL_WEAK
8480         from being used for symbols with vague linkage when
8481         HAVE_GAS_COMDAT_GROUP is true.
8482
8483 2005-02-25  Mark Mitchell  <mark@codesourcery.com>
8484
8485         * doc/include/gcc-common.texi (version-GCC): Update to 4.1.
8486
8487 2005-02-25  Steve Ellcey  <sje@cup.hp.com>
8488
8489         PR target/19930
8490         * doc/tm.texi (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Document.
8491         (LIBGCC2_HAS_DF_MODE): New.
8492         (LIBGCC2_HAS_XF_MODE): New.
8493         (LIBGCC2_HAS_TF_MODE): New.
8494         * libgcc2.h (LIBGCC2_HAS_XF_MODE): New name for HAVE_XFMODE.
8495         (LIBGCC2_HAS_TF_MODE): New name for HAVE_TFMODE.
8496         * libgcc2.c (LIBGCC2_HAS_XF_MODE): New name for HAVE_XFMODE.
8497         (LIBGCC2_HAS_TF_MODE): New name for HAVE_TFMODE.
8498         (LIBGCC2_HAS_DF_MODE): New name for HAVE_DFMODE.
8499         * config/ia64/t-ia64 (LIB1ASMFUNCS): Remove __compat
8500         and add _fixtfdi, _fixunstfdi, _floatditf
8501         * lib1funcs.asm: Remove L__compat. Add L_fixtfdi,
8502         L_fixunstfdi, L_floatditf.
8503         * config/ia64/hpux.h (LIBGCC2_HAS_XF_MODE): Define.
8504         (LIBGCC2_HAS_TF_MODE): Define.
8505
8506 2005-02-25  Diego Novillo  <dnovillo@redhat.com>
8507
8508         PR tree-optimization/20204
8509         * tree-into-ssa.c (insert_phi_nodes_for): Do not use
8510         REWRITE_THIS_STMT markers on PHI nodes.
8511         (rewrite_initialize_block): Likewise.
8512
8513 2005-02-25  Mark Mitchell  <mark@codesourcery.com>
8514
8515         * version.c (version_string): Update to 4.1.
8516
8517 2005-02-25  Paolo Carlini  <pcarlini@suse.de>
8518
8519         * doc/extend.texi (5.24 Declaring Attributes of Functions)<noreturn>:
8520         Clarify that the alternative way doesn't work in GNU C++.
8521
8522 2005-02-25  Zdenek Dvorak  <dvorakz@suse.cz>
8523
8524         PR tree-optimization/19937
8525         * tree-ssa-loop-ivopts.c (rewrite_use_compare): Cast the final value
8526         to the type of the induction variable.
8527
8528 2005-02-25  Kaz Kojima  <kkojima@gcc.gnu.org>
8529
8530         PR rtl-optimization/20117
8531         * bb-reorder.c (duplicate_computed_gotos): Don't duplicate
8532         the block including noncopyable insn.
8533
8534 2005-02-24  Kazu Hirata  <kazu@cs.umass.edu>
8535
8536         * cse.c (delete_trivially_dead_insns): Speed up by minimizing
8537         calls to find_reg_note.
8538
8539 2005-02-24  Richard Henderson  <rth@redhat.com>
8540
8541         PR tree-opt/20127
8542         * tree-sra.c (instantiate_element): Copy TREE_THIS_VOLATILE from
8543         the type.
8544
8545 2005-02-24  Fariborz Jahanian <fjahanian@apple.com>
8546
8547         * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Check for
8548         vector types if to use base reg for misaligned non-word ld/std.
8549
8550 2005-02-24  Hans-Peter Nilsson  <hp@axis.com>
8551
8552         PR target/14619
8553         * config/cris/cris.c (cris_target_asm_function_prologue): Create
8554         dwarf2 label manually and put it after, not before the prologue.
8555
8556 2005-02-24  David Edelsohn  <edelsohn@gnu.org>
8557
8558         PR target/19019
8559         * reload.c (operands_match_p): Only increment register number for
8560         SCALAR_INT_MODE_P modes in multiple hard registers.
8561
8562         * config/rs6000/rs6000.md (trunctfdf2): Remove register constraints.
8563         Fix formatting.
8564
8565 2005-02-24  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
8566
8567         * ChangeLog.5: Fix log message typo(s).
8568         * ChangeLog.7: Likewise.
8569         * ChangeLog.tree-ssa: Likewise.
8570         * cfgexpand.c: Fix comment typo(s).
8571         * conflict.c: Likewise.
8572         * defaults.h: Likewise.
8573         * dwarf2out.c: Likewise.
8574         * gcse.c: Likewise.
8575         * ggc-page.c: Likewise.
8576         * tree-eh.c: Likewise.
8577         * tree-ssa-dom.c: Likewise.
8578
8579 2005-02-24  Jakub Jelinek  <jakub@redhat.com>
8580
8581         PR target/19019
8582         * mklibgcc.in: Pass -DSHARED when compiling all *_s${objext} objects.
8583         * config/rs6000/darwin-ldouble.c: Only use the .symver directives
8584         if SHARED is defined.
8585
8586         PR target/20196
8587         * config/rs6000/rs6000.md (LTU, GTU sCC splitters): Add earlyclobber,
8588         allow splitting only if operands 0 and 3 don't overlap.
8589
8590 2005-02-24  Richard Henderson  <rth@redhat.com>
8591
8592         PR middle-end/19953
8593         * builtins.c (fold_builtin_complex_mul, fold_builtin_complex_div): New.
8594         (fold_builtin_1): Call them.
8595         * fold-const.c (fold_complex_mult_parts): Split out from ...
8596         (fold_complex_mult): ... here.  Fix typo in both imaginary case.
8597         (fold_complex_div_parts, fold_complex_div): New.
8598         (fold): Use them.
8599         * tree.h (fold_complex_mult_parts, fold_complex_div_parts): Declare.
8600
8601 2005-02-24  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
8602
8603         * tree-ssa-ccp.c (visit_assignment): Verify that result of
8604         VIEW_CONVERT_EXPR is_gimple_min_invariant.
8605
8606         * print-tree.c (print_node_brief): Print LABEL_DECL_UID.
8607         (print_node): Likewise.
8608         Print TYPE_SIZES_GIMPLIFIED.
8609
8610 2005-02-24  Hans-Peter Nilsson  <hp@axis.com>
8611
8612         * config/cris/cris.md ("umulhisi3", "umulqihi3", "mulsi3")
8613         ("mulqihi3", "mulhisi3", "mulsidi3", "umulsidi3"): Mark input
8614         operands as commutative in constraints.
8615
8616 2005-02-24  Diego Novillo  <dnovillo@redhat.com>
8617
8618         * tree-into-ssa.c: Re-organize internal functions.
8619
8620 2005-02-24  Richard Henderson  <rth@redhat.com>
8621
8622         PR middle-end/18902
8623         * c-opts.c (c_common_post_options): Set flag_complex_method to 2
8624         for c99.
8625         * common.opt (fcx-limited-range): New.
8626         * opts.c (set_fast_math_flags): Set flag_cx_limited_range.
8627         * toplev.c (flag_complex_method): Initialize to 1.
8628         (process_options): Set flag_complex_method to 0 if
8629         flag_cx_limited_range.
8630         * doc/invoke.texi (-fcx-limited-range): New.
8631
8632 2005-02-24  Kazu Hirata  <kazu@cs.umass.edu>
8633
8634         * cse.c (delete_trivially_dead_insns): Speed up by using
8635         NEXT_INSN and PREV_INSN directly instead of next_real_insn and
8636         prev_real_insn.
8637
8638 2005-02-24  Andrea Tarani  <andrea.tarani@gilbarco.com>
8639
8640         * config/m68k/m68k.c (m68k_save_reg): Also save A5 for non-leaf
8641         functions when -mid-shared-library is being used.
8642
8643 2005-02-23  Daniel Jacobowitz  <dan@codesourcery.com>
8644
8645         * doc/tm.texi (LINK_LIBGCC_SPECIAL): Remove.
8646         (LINK_LIBGCC_SPECIAL_1): Don't mention it.
8647         * gcc.c: Don't check for LINK_LIBGCC_SPECIAL.
8648         * system.h: Poison LINK_LIBGCC_SPECIAL.
8649
8650 2005-02-23  James E Wilson  <wilson@specifixinc.com>
8651
8652         * gengtype.c (note_insn_name): Make 1 element larger.
8653
8654 2005-02-23  Roger Sayle  <roger@eyesopen.com>
8655
8656         PR target/20018
8657         PR rtl-optimization/20097
8658         * simplify-rtx.c (simplify_relational_operation_1): Avoid creating
8659         BImode SUBREGs of SImode registers which confuse the ia64 backend.
8660
8661 2005-02-23  David Edelsohn  <edelsohn@gnu.org>
8662
8663         * t-aix43 (SHLIB_INSTALL): Create directory for shared library.
8664         * t-aix52 (SHLIB_INSTALL): Same.
8665
8666 2005-02-23  Kazu Hirata  <kazu@cs.umass.edu>
8667
8668         * genpreds.c: Update copyright.
8669
8670 2005-02-23  Michael Beach  <michaelb@ieee.org>
8671
8672         PR target/20159
8673         * config/sparc/t-elf (startup files): Assemble with CPP.
8674
8675 2005-02-23  Paolo Bonzini  <bonzini@gnu.org>
8676
8677         * genpreds.c (mark_mode_tests): Handle non-VOIDmode match_operands.
8678         (write_predicate_expr): Likewise.
8679
8680 2005-02-22  Diego Novillo  <dnovillo@redhat.com>
8681
8682         PR tree-optimization/20100
8683         PR tree-optimization/20115
8684         * tree-optimize.c (init_tree_optimization_passes): Remove
8685         pass_maybe_create_global_var.
8686         * tree-pass.h (pass_maybe_create_global_var): Remove.
8687         * tree-ssa-alias.c (aliases_computed_p): Declare.
8688         (struct alias_info): Add field NUM_PURE_CONST_CALLS_FOUND.
8689         (count_calls_and_maybe_create_global_var): Remove.
8690         (pass_maybe_create_global_var): Remove.
8691         (init_alias_info): Do not declare aliases_computed_p.
8692         (maybe_create_global_var): If the function contains no
8693         call-clobbered variables and a mix of pure/const and regular
8694         function calls, create .GLOBAL_VAR.
8695         Mark all call-clobbered variables for renaming.
8696         (merge_pointed_to_info): Update comment.
8697         (add_pointed_to_var): Likewise.
8698         (is_escape_site): Likewise.
8699         Accept struct alias_info * instead of size_t *.
8700         Update all users.
8701         Update AI->NUM_CALLS_FOUND and AI->NUM_PURE_CONST_CALLS_FOUND
8702         as necessary.
8703         * tree-ssa-operands.c (get_call_expr_operands): If
8704         ALIASES_COMPUTED_P is false, do not add call-clobbering
8705         operands.
8706         * tree-ssa.c (init_tree_ssa): Set ALIASES_COMPUTED_P to false.
8707         (delete_tree_ssa): Likewise.
8708
8709 2005-02-22  James E Wilson  <wilson@specifixinc.com>
8710
8711         * toplev.c (backend_init): Don't call init_adjust_machine_modes here.
8712         (do_compile): Do call it here.
8713
8714 2005-02-22  Kazu Hirata  <kazu@cs.umass.edu>
8715
8716         PR rtl-optimization/20017.
8717         * passes.c (rest_of_handle_combine, rest_of_handle_cse,
8718         rest_of_handle_cse2, rest_of_handle_gcse): Call
8719         delete_dead_jumptables immediately before calling cleanup_cfg.
8720
8721 2005-02-22  Devang Patel  <dpatel@apple.com>
8722
8723         PR 19952
8724         * tree-if-conv.c (process_phi_nodes): Use bsi_after_labels and skip
8725         all labels
8726
8727 2005-02-22  David Edelsohn  <edelsohn@gnu.org>
8728
8729         * config/rs6000/aix.h (WINT_TYPE): Define.
8730
8731 2005-02-22  Stan Shebs  <shebs@apple.com>
8732
8733         * config/rs6000/rs6000.c (rs6000_override_options): Default to
8734         natural alignment for 64-bit Darwin.
8735         (rs6000_parse_alignment_option): Warn about uses of -malign-power
8736         on 64-bit Darwin.
8737         * doc/invoke.texi: Document this.
8738
8739 2005-02-22  DJ Delorie  <dj@redhat.com>
8740
8741         * c-common.c (c_common_type_for_mode): Pass the mode's precision
8742         to make_[un]signed_type, not the mode itself.
8743
8744 2005-02-22  Kazu Hirata  <kazu@cs.umass.edu>
8745
8746         * cfg.c (cached_make_edge): Call make_edge if edge cache is
8747         not available.  Use tail calls wherever possible.
8748         (make_edge): Call unchecked_make_edge to create an edge.
8749
8750         * tree-outof-ssa.c (SSANORM_USE_COALESCE_LIST): Remove.
8751         (coalesce_ssa_name): Don't check for
8752         SSANORM_USE_COALESCE_LIST.
8753         (rewrite_out_of_ssa): Don't use SSANORM_USE_COALESCE_LIST.
8754
8755 2005-02-22  Diego Novillo  <dnovillo@redhat.com>
8756
8757         * tree-into-ssa.c (rewrite_blocks): Move debug dumps from ...
8758         (rewrite_into_ssa): ... here.
8759
8760 2005-02-21  Alexandre Oliva  <aoliva@redhat.com>
8761
8762         PR tree-optimization/19786
8763         * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add one
8764         tag to another's may-alias bitmap when adding to the other's list.
8765
8766 2005-02-21  DJ Delorie  <dj@redhat.com>
8767
8768         * tree-ssa-loop-ivopts.c (computation_cost): Start register
8769         numbering at LAST_VIRTUAL_REGISTER+1 to avoid possibly using hard
8770         registers in unsupported ways.
8771         * expmed.c (init_expmed): Likewise.
8772
8773 2005-02-21  Stan Cox  <scox@redhat.com>
8774
8775         * config/iq2000/iq2000.h (DWARF_FRAME_RETURN_COLUMN): Change to 31.
8776
8777 2005-02-21  Kazu Hirata  <kazu@cs.umass.edu>
8778
8779         * tree-cfg.c (fold_cond_expr_cond): New.
8780         (make_edges): Call fold_cond_expr_cond.
8781         (find_taken_edge): Accept nothing but INTEGER_CST.
8782         (find_taken_edge_cond_expr): Reject INTEGER_CST other than 0
8783         and 1.
8784         (find_taken_edge_switch_expr): Remove a check for INTEGER_CST.
8785
8786         * flow.c (delete_dead_jumptables): Speed up by scanning insns
8787         that do not belong to any basic block.
8788
8789 2005-02-21  Jeff Law  <law@redhat.com>
8790
8791         * cfganal.c (find_unreachable_blocks): Manually CSE load of
8792         e->dest.
8793
8794 2005-02-21  Kazu Hirata  <kazu@cs.umass.edu>
8795
8796         * tree-outof-ssa.c (SSANORM_REMOVE_ALL_PHIS): Remove.
8797         (SSANORM_COALESCE_PARTITIONS, SSANORM_USE_COALESCE_LIST):
8798         Adjust their definitions.
8799         (remove_ssa_form): Don't check for SSANORM_REMOVE_ALL_PHIS.
8800         (rewrite_out_of_ssa): Don't use SSANORM_REMOVE_ALL_PHIS.
8801
8802         * c-objc-common.h, c-pretty-print.c, cgraphunit.c, except.c,
8803         genautomata.c, langhooks.c, langhooks.h, system.h,
8804         config/arm/lib1funcs.asm: Update copyright.
8805
8806 2005-02-21  Ulrich Weigand  <uweigand@de.ibm.com>
8807
8808         * dbxout.c (dbxout_function_end): Emit Lscope label always.
8809
8810 2005-02-21  Richard Guenther  <rguenth@gcc.gnu.org>
8811
8812         PR bootstrap/13770
8813         * doc/install.texi: Document --with-gc.
8814
8815 2005-02-21  Paolo Bonzini  <bonzini@gnu.org>
8816
8817         * simplify-rtx.c (simplify_unary_operation): Add a missing
8818         "break" statement.
8819
8820 2005-02-21  Eric Botcazou  <ebotcazou@libertysurf.fr>
8821
8822         PR tree-optimization/18663
8823         * tree-ssa-dom.c (extract_range_from_cond): Return 0
8824         if the type has variable bounds.
8825
8826 2005-02-20  Kazu Hirata  <kazu@cs.umass.edu>
8827
8828         * gcse.c: Remove an obsolete comment.
8829
8830         * cse.c (init_cse_reg_info): Use xmalloc instead of xrealloc.
8831
8832 2005-02-20  Hans-Peter Nilsson  <hp@axis.com>
8833
8834         * doc/extend.texi (Function Attributes) <Attribute const>: The
8835         attribute "pure" is below this text, not above.
8836
8837 2005-02-20  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
8838
8839         * pa.c (pa_assemble_integer, get_plabel): Small cleanups.
8840         (pa_asm_output_mi_thunk): Use asm_output_insn instead of fprintf.
8841         * som.h (ASM_OUTPUT_EXTERNAL_LIBCALL): Small cleanup.
8842
8843 2005-02-20  Zack Weinberg  <zack@codesourcery.com>
8844
8845         PR 18785
8846         * langhooks.h (struct lang_hooks): Add to_target_charset.
8847         * langhooks.c (lhd_to_target_charset): New function.
8848         * langhooks-def.h: Declare lhd_to_target_charset.
8849         (LANG_HOOKS_TO_TARGET_CHARSET): New macro.
8850         (LANG_HOOKS_INITIALIZER): Update.
8851         * c-common.c (c_common_to_target_charset): New function.
8852         * c-common.h: Declare it.
8853         * c-objc-common.h (LANG_HOOKS_TO_TARGET_CHARSET): Set to
8854         c_common_to_target_charset.
8855
8856         * defaults.c (TARGET_BELL, TARGET_BS, TARGET_CR, TARGET_DIGIT0)
8857         (TARGET_ESC, TARGET_FF, TARGET_NEWLINE, TARGET_TAB, TARGET_VT):
8858         Delete definitions.
8859         * system.h: Poison them.
8860         * doc/tm.texi: Don't discuss them.
8861         * builtins.c (fold_builtin_isdigit): Use lang_hooks.to_target_charset.
8862         * c-pretty-print.c (pp_c_integer_constant): Don't use pp_c_char.
8863         (pp_c_char): Do not attempt to generate letter escapes for
8864         newline, tab, etc.
8865         * config/arm/arm.c (output_ascii_pseudo_op): Likewise.
8866         * config/mips/mips.c (mips_output_ascii): Likewise.
8867
8868 2005-02-20  Dorit Naishlos  <dorit@il.ibm.com>
8869
8870         PR tree-optimization/19951
8871         * tree-vect-analyze.c (vect_analyze_loop_form): Check if loop exit edge
8872         is abnormal.
8873
8874 2005-02-19  Steven Bosscher  <stevenb@suse.de>
8875
8876         PR middle-end/19698
8877         * function.h (struct function): New field `max_loop_depth'.
8878         * cfgloop.c (establish_preds): Update maximum loop depth seen so far.
8879         (flow_loops_find): Reset the max loop depth count before finding loops.
8880         * flow.c (MAX_LIVENESS_ROUNDS): New constant.
8881         (update_life_info_in_dirty_blocks): Remove 2002-05-28 workaround.
8882         (calculate_global_regs_live): Make sure the loop will terminate
8883         when the initial sets are not empty.
8884
8885 2005-02-19  Zack Weinberg  <zack@codesourcery.com>
8886
8887         * mklibgcc.in: If libgcc_eh.a would be empty, put a dummy
8888         object inside.
8889         * config/ia64/hpux.h: Don't define LIBGCC_SPEC.
8890
8891 2005-02-19  Richard Sandiford  <rsandifo@redhat.com>
8892
8893         PR other/19525
8894         * doc/invoke.texi: Remove documentation of %M spec.
8895         * gcc.c: Likewise.
8896         (init_spec): Remove %M suffix from -lgcc_s.
8897         (do_spec_1): Remove 'M' case.
8898         * mklibgcc.in: Remove SHLIB_MULTILIB handling.  Expect SHLIB_LINK
8899         to put shared libraries in the multilib directory.  Remove the
8900         shlib_so_soname substitution variable.  Don't add a multilib encoding
8901         to shlib_base_name.  Set shlib_slibdir_qual to the full pathname
8902         reported by -print-multi-os-directory.  Pass @multilib_dir@ to
8903         SHLIB_INSTALL as well as SHLIB_LINK.
8904         * config/t-slibgcc-elf-ver (SHLIB_SONAME): Use @shlib_base_name@.
8905         (SHLIB_NAME): Delete.
8906         (SHLIB_DIR): New macro.
8907         (SHLIB_LINK): Put $(SHLIB_SONAME) and $(SHLIB_SOLINK) in $(SHLIB_DIR).
8908         (SHLIB_INSTALL): Adjust accordingly.
8909         * config/t-slibgcc-darwin: As for t-slibgcc-elf-ver.
8910         * config/t-slibgcc-sld: Likewise.
8911         * config/t-libunwind-elf (SHLIBUNWIND_NAME): Delete.
8912         (SHLIBUNWIND_SONAME): Use @shlib_base_name@.
8913         (SHLIBUNWIND_LINK): Put $(SHLIBUNWIND_SONAME) and $(SHLIB_SOLINK)
8914         in $(SHLIB_DIR).
8915         (SHLIBUNWIND_INSTALL): Adjust accordingly.
8916         * config/i386/t-nwld (SHLIB_SONAME): Delete.
8917         (SHLIB_LINK, SHLIB_INSTALL): Use SHLIB_NAME instead of SHLIB_SONAME.
8918         Use @shlib_base_name@ instead of @shlib_so_name@.
8919         * config/ia64/t-hpux (SHLIB_LINK): Put @shlib_base_name@.so.0
8920         and @shlib_base_name@.so in @multilib_dir@.
8921         (SHLIB_INSTALL): Adjust accordingly.  Add @shlib_slibdir_qual@
8922         to the install path.
8923         * config/mips/t-slibgcc-irix: As for t-slibgcc-elf-ver.
8924         (SHLIB_LINK): Remove previous workaround.
8925         * config/pa/t-hpux-shlib (SHLIB_DIR, SHLIB_SLIBDIR_QUAL): New macros.
8926         (SHLIB_LINK): Put $(SHLIB_SONAME) and $(SHLIB_NAME) in $(SHLIB_DIR).
8927         (SHLIB_INSTALL): Adjust accordingly.  Add $(SHLIB_SLIBDIR_QUAL) to
8928         the install path.
8929         * config/rs6000/t-aix43 (SHLIB_LINK): Put @shlib_base_name@.a in
8930         @multilib_dir@.  Use @multilib_dir@ to check for threading libraries.
8931         (SHLIB_INSTALL): Adjust accordingly.
8932         (SHLIB_LIBS): Use @multilib_dir@ to check for threading libraries.
8933         * config/rs6000/t-aix52: As for config/rs6000/t-aix43.
8934         * config/sh/t-linux (SHLIB_LINK, SHLIB_INSTALL): As for
8935         config/t-slibgcc-elf-ver.
8936
8937 2005-02-19  Zdenek Dvorak  <dvorakz@suse.cz>
8938             Jakub Jelinek  <jakub@redhat.com>
8939
8940         PR tree-optimization/19828
8941         * tree-ssa-loop-im.c: Add a TODO comment.
8942         (movement_possibility): Return MOVE_PRESERVE_EXECUTION for calls
8943         without side-effects.
8944
8945 2005-02-18  James A. Morrison  <phython@gcc.gnu.org>
8946
8947         * tree-ssa-ccp.c (widen_bitfield): Pass type to build_int_cst and don't
8948         call fold_convert.
8949
8950 2005-02-18  James E. Wilson  <wilson@specifixinc.com>
8951
8952         * doc/invoke.texi (IA-64 Options): Delete -mb-step.
8953         * config/ia64/ia64.c (last_group, group_idx): Delete variables.
8954         (errata_find_address_regs, errata_emit_nops, fixup_errata): Delete
8955         functions.
8956         (ia64_reorg): Delete fixup_errata call.
8957         * config/ia64/ia64.h (MASK_B_STEP, TARGET_B_STEP): Delete.
8958         (TARGET_SWITCHES): Delete -mb-step entry.
8959
8960 2005-02-19  Jakub Jelinek  <jakub@redhat.com>
8961
8962         PR c/20043
8963         * c-typeck.c (composite_type): Handle quals in transparent unions.
8964         (type_lists_compatible_p): Likewise.
8965
8966 2005-02-18  Stan Shebs  <shebs@apple.com>
8967
8968         * config/darwin.c (machopic_select_rtx_section): Don't put relocatable
8969         expressions in the .literal8 section.
8970
8971 2005-02-18  Geoffrey Keating  <geoffk@apple.com>
8972
8973         * config/rs6000/darwin-tramp.asm: Remove stray 'APPLE LOCAL' marker.
8974
8975 2005-02-18  Roger Sayle  <roger@eyesopen.com>
8976
8977         * fold-const.c (constant_boolean_node): Always create values of the
8978         specified type, don't bother calling truthvalue_conversion.
8979
8980 2005-02-18  Joseph S. Myers  <joseph@codesourcery.com>
8981
8982         * except.c (output_function_exception_table): Call
8983         assemble_external_libcall (eh_personality_libfunc).
8984
8985 2005-02-18  Joseph S. Myers  <joseph@codesourcery.com>
8986
8987         PR target/19886
8988         * config/ia64/ia64.h (struct machine_function): Add state_num.
8989         * config/ia64/ia64.c (process_epilogue,
8990         process_for_unwind_directive): Use new unwind state numbers each
8991         time rather than state 1.
8992
8993 2005-02-18  Ulrich Weigand  <uweigand@de.ibm.com>
8994
8995         PR target/20054
8996         * config/s390/s390.md ("*llgt_sidi", "*llgt_sidi_split"): Move to
8997         before the "*llgt_didi" pattern.
8998
8999 2005-02-18  Jason Merrill  <jason@redhat.com>
9000
9001         * gimplify.c (gimplify_modify_expr_rhs) [CALL_EXPR]: Revert again.
9002
9003 2005-02-18  Richard Earnshaw  <rearnsha@arm.com>
9004
9005         * arm/lib1funcs.asm (FUNC_ALIAS): New macro.
9006         (div0): Use it in place of ARM_FUNC_ALIAS.
9007         (lshrdi3, ashrdi3, ashlrdi3): Likewise.
9008
9009 2005-02-18  Andrew Pinski  <pinskia@physics.uc.edu>
9010
9011         PR middle-end/20030
9012         * fold-const.c (fold_indirect_ref_1): Use the correct index for zero
9013         access, the lower bound of the array type if it exists.
9014
9015 2005-02-18  Alexandre Oliva  <aoliva@redhat.com>
9016
9017         PR c++/20008
9018         * stmt.c (expand_case): Don't assume cleanup_tree_cfg will remove
9019         cases that are out-of-range for the index type.
9020
9021 2005-02-18  James A. Morrison  <phython@gcc.gnu.org>
9022
9023         * stmt.c (emit_case_bit_tests): Call fold_convert instead of convert.
9024         (estimate_case_costs): Don't call convert.
9025         * expmed.c (expand_shift): Likewise.
9026         (make_tree): Call fold_convert instead of convert.
9027
9028 2005-02-18  Jakub Jelinek  <jakub@redhat.com>
9029
9030         PR c++/19813
9031         * emit-rtl.c (set_mem_attributes_minus_bitpos): Add assertion
9032         that ref to be marked MEM_READONLY_P doesn't have base that needs
9033         constructing.
9034
9035 2005-02-18  Joseph S. Myers  <joseph@codesourcery.com>
9036
9037         * genautomata.c (output_get_cpu_unit_code_func,
9038         output_cpu_unit_reservation_p): Don't generate old-style function
9039         definitions.
9040
9041 2005-02-18  Jakub Jelinek  <jakub@redhat.com>
9042
9043         PR c++/20023
9044         PR tree-optimization/20009
9045         * convert.c (convert_to_integer): Revert 2005-02-16 change.
9046
9047         PR tree-optimization/18947
9048         * cgraphunit.c (cgraph_finalize_function): When redefining an extern
9049         inline, remove all nodes that are inlined into the extern inline
9050         being redefined.
9051
9052 2005-02-17  Kazu Hirata  <kazu@cs.umass.edu>
9053
9054         * bt-load.c, cfgloop.c, convert.c, dominance.c, global.c,
9055         loop-invariant.c, stmt.c, tree-ssa-forwprop.c,
9056         tree-ssa-live.c, tree-ssanames.c, tree-vn.c,
9057         config/host-linux.c, config/arm/fpa.md, config/avr/avr.h:
9058         Update copyright.
9059
9060 2005-02-17  Roger Sayle  <roger@eyesopen.com>
9061
9062         PR tree-optimization/19917
9063         * tree-eh.c (tree_could_trap_p): Consider calls to weak functions
9064         to be potentially trapping.
9065
9066 2005-02-17  Kazu Hirata  <kazu@cs.umass.edu>
9067
9068         * libgcc2.c, tree-vect-analyze.c: Fix comment typos.
9069
9070 2005-02-17  Andreas Krebbel  <krebbel1@de.ibm.com>
9071
9072         * builtins.c (expand_builtin_return_addr): Remove tem parameter.
9073         tem becomes a local variable which is set to the value of the
9074         back end defined INITIAL_FRAME_ADDRESS macro.
9075         (expand_builtin_frame_address): Omit the base parameter to
9076         expand_builtin_return_addr.
9077         (expand_builtin_profile_func): Likewise.
9078         * config/s390/s390.h (INITIAL_FRAME_ADDRESS_RTX): Define new macro.
9079         (DYNAMIC_CHAIN_ADDRESS): Remove the case for the initial frame.
9080         * doc/tm.texi: Documentation for INITIAL_FRAME_ADDRESS_RTX added.
9081
9082 2005-02-17  Jakub Jelinek  <jakub@redhat.com>
9083
9084         * config/s390/s390.c (s390_alloc_pool, s390_free_pool,
9085         s390_chunkify_start): Use BITMAP_ALLOC and BITMAP_FREE.
9086         * config/frv/frv.c (frv_function_epilogue): Likewise.
9087
9088 2005-02-17  Daniel Berlin  <dberlin@dberlin.org>
9089
9090         * lambda-code (perfect_nestify): Remove mark/unmark
9091         for rewriting hack.
9092         * tree-loop-linear.c (linear_transform_loops): Add
9093         rewrite_into_ssa call so that ssa is correct for
9094         rewriting into loop closed.
9095
9096 2005-02-17  Nathan Sidwell  <nathan@codesourcery.com>
9097
9098         * bitmap.h (BITMAP_XMALLOC, BITMAP_XFREE): Remove.
9099         * bb-reorder.c (duplicate_computed_gotos): Use BITMAP_ALLOC and
9100         BITMAP_FREE.
9101         * bt-load.c (btr_def_live_range, combine_btr_defs,
9102         migrate_btr_def, migrate_btr_defs): Likewise.
9103         * cfgcleanup.c (thread_jump): Likewise.
9104         * cfgloop.c (get_loop_body_in_bfs_order): Likewise.
9105         * df.c (df_insn_table_realloc, df_bitmaps_alloc, df_bitmaps_free,
9106         df_alloc, df_free, df_du_chain_create, df_bb_rd_local_compute,
9107         df_rd_local_compute, df_reg_info_compute): Likewise.
9108         * dominance.c (init_dom_info, free_dom_info): Likewise.
9109         * flow.c (init_propagate_block_info,
9110         free_propagate_block_info): Likewise.
9111         * gcse.c (alloc_gcse_mem, free_gcse_mem): Likewise.
9112         * global.c (allocate_bb_info, free_bb_info, calculate_reg_pav,
9113         modify_reg_pav): Likewise.
9114         * loop-invariant.c (find_defs, find_invariant_insn,
9115         find_invariants, free_inv_motion_data): Likewise.
9116         * predict.c (tree_predict_by_opcode,
9117         estimate_bb_frequencies): Likewise.
9118         * stmt.c (expand_case): Likewise.
9119         * tree-cfg.c (tree_duplicate_sese_region): Likewise.
9120         * tree-dfa.c (mark_new_vars_to_rename): Likewise.
9121         * tree-if-conv.c (get_loop_body_in_if_conv_order): Likewise.
9122         * tree-into-ssa.c (insert_phi_nodes_for, def_blocks_free,
9123         get_def_blocks_for, mark_def_site_blocks, rewrite_into_ssa,
9124         rewrite_ssa_into_ssa): Likewise.
9125         * tree-optimize.c (tree_rest_of_compilation): Likewise.
9126         * tree-outof-ssa.c (new_temp_expr_table, free_temp_expr_table,
9127         analyze_edges_for_bb, perform_edge_inserts): Likewise.
9128         * tree-scalar-evolution.c (scev_initialize, scev_finalize): Likewise.
9129         * tree-sra.c (tree_sra): Likewise.
9130         * tree-ssa-alias.c (init_alias_info, delete_alias_info): Likewise.
9131         * tree-ssa-ccp.c (ccp_fold_builtin): Likewise.
9132         * tree-ssa-dce.c (tree_dce_init, tree_dce_done): Likewise.
9133         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Likewise.
9134         * tree-ssa-dse.c (tree_ssa_dse): Likewise.
9135         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_var):
9136         Likewise.
9137         * tree-ssa-live.c (new_tree_live_info, delete_tree_live_info,
9138         calculate_live_on_entry, calculate_live_on_exit,
9139         build_tree_conflict_graph): Likewise.
9140         * tree-ssa-loop-ivopts.c (tree_ssa_iv_optimize_init, record_use,
9141         record_important_candidates, set_use_iv_cost, find_depends,
9142         determine_use_iv_costs, iv_ca_new, iv_ca_free, free_loop_data,
9143         tree_ssa_iv_optimize_finalize): Likewise.
9144         * tree-ssa-loop-manip.c (add_exit_phis_var, get_loops_exit,
9145         find_uses_to_rename_use, rewrite_into_loop_closed_ssa,
9146         tree_duplicate_loop_to_header_edge): Likewise.
9147         * tree-ssa-pre.c (init_pre, fini_pre): Likewise.
9148         * tree-ssa.c (verify_flow_insensitive_alias_info,
9149         verify_name_tags, verify_ssa, init_tree_ssa,
9150         delete_tree_ssa): Likewise.
9151         * tree-ssanames.c (marked_ssa_names, init_ssanames,
9152         fini_ssanames): Likewise.
9153         * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Likewise.
9154
9155 2005-02-17  Ralf Corsepius  <ralf.corsepius@rtems.org>
9156
9157         * config/rs6000/t-rtems: Completely reworked.
9158
9159 2005-02-17  Ira Rosen  <irar@il.ibm.com>
9160
9161         * tree-data-ref.c (array_base_name_differ_p): Remove gcc_assert.
9162
9163 2005-02-17  Ira Rosen  <irar@il.ibm.com>
9164
9165         * tree-vect-analyze.c (vect_analyze_pointer_ref_access): Use
9166         POINTER_TYPE_P when checking that type is a pointer.
9167         (vect_get_memtag): Remove.
9168         (vect_address_analysis): Use POINTER_TYPE_P. Call
9169         vect_object_analysis with dummy parameter for memtag.
9170         (vect_object_analysis): Extract memtag (functionality that
9171         used to be in vect_get_memtag and moved here). Fix printings.
9172         (vect_analyze_data_refs): Fix comment. Call vect_object_analysis
9173         with correct parameters. Remove call to vect_get_memtag.
9174
9175 2005-02-17  Dorit Naishlos  <dorit@il.ibm.com>
9176
9177         * Makefile.in (tree-vect-analyze.o, tree-vect-transform.o): New.
9178         (tree-vectorizer.o): Added missing dependencies.
9179
9180         * tree-vectorizer.h (vect_dump, vect_verbosity_level): Added extern
9181         decleration.
9182         (slpeel_tree_peel_loop_to_edge): Function externalized (had a static
9183         declaration in tree-vectorizer.c, now has an extern declaration in
9184         tree-vectorizer.h).
9185         (slpeel_make_loop_iterate_ntimes, slpeel_can_duplicate_loop_p,
9186         slpeel_verify_cfg_after_peeling, vect_strip_conversion,
9187         get_vectype_for_scalar_type, vect_is_simple_use,
9188         vect_is_simple_iv_evolution, vect_can_force_dr_alignment_p,
9189         vect_supportable_dr_alignment, new_loop_vec_info, destroy_loop_vec_info,
9190         new_stmt_vec_info, vect_analyze_loop, vectorizable_load,
9191         vectorizable_store, vectorizable_operation, vectorizable_assignment,
9192         vect_transform_loop, vect_print_dump_info, vect_set_verbosity_level,
9193         find_loop_location): Likewise.
9194
9195         * tree-vectorizer.c (langhooks.h): #include removed.
9196         (slpeel_tree_peel_loop_to_edge): Function externalized. Declaration
9197         moved to tree-vectorized.h.
9198         (slpeel_make_loop_iterate_ntimes, slpeel_can_duplicate_loop_p,
9199         slpeel_verify_cfg_after_peeling, vect_strip_conversion,
9200         get_vectype_for_scalar_type, vect_is_simple_use,
9201         vect_is_simple_iv_evolution, vect_can_force_dr_alignment_p,
9202         vect_supportable_dr_alignment, new_loop_vec_info,
9203         destroy_loop_vec_info, new_stmt_vec_info, vect_print_dump_info,
9204         vect_set_verbosity_level, find_loop_location): Likewise.
9205
9206         (vect_analyze_loop): Function externalized. Declaration moved to
9207         tree-vectorized.h. Function definition moved to tree-vect-analyze.c.
9208         (vect_analyze_loop_form): Moved to tree-vect-analyze.c.
9209         (vect_mark_stmts_to_be_vectorized, vect_analyze_scalar_cycles,
9210         vect_analyze_data_ref_accesses, vect_analyze_data_ref_dependences,
9211         vect_analyze_data_refs_alignment, vect_compute_data_refs_alignment,
9212         vect_enhance_data_refs_alignment, vect_analyze_operations,
9213         exist_non_indexing_operands_for_use_p, vect_mark_relevant,
9214         vect_stmt_relevant_p, vect_get_loop_niters,
9215         vect_analyze_data_ref_dependence, vect_compute_data_ref_alignment,
9216         vect_analyze_data_ref_access, vect_analyze_pointer_ref_access,
9217         vect_can_advance_ivs_p, vect_get_ptr_offset, vect_analyze_offset_expr,
9218         vect_base_addr_differ_p, vect_object_analysis, vect_address_analysis,
9219         vect_get_memtag): Likewise.
9220
9221         (vectorizable_load): Function externalized. Declaration moved to
9222         tree-vectorized.h. Function definition moved to tree-vect-transform.c.
9223         (vectorizable_store, vectorizable_operation, vectorizable_assignment,
9224         vect_transform_loop): Likewise.
9225         (vect_transform_stmt): Moved to tree-vect-transform.c.
9226         (vect_align_data_ref, vect_create_destination_var,
9227         vect_create_data_ref_ptr, vect_create_index_for_vector_ref,
9228         vect_create_addr_base_for_vector_ref, vect_get_new_vect_var,
9229         vect_get_vec_def_for_operand, vect_init_vector,
9230         vect_finish_stmt_generation, vect_generate_tmps_on_preheader,
9231         vect_build_loop_niters, vect_update_ivs_after_vectorizer,
9232         vect_gen_niters_for_prolog_loop, vect_update_inits_of_dr,
9233         vect_update_inits_of_drs, vect_do_peeling_for_alignment,
9234         vect_do_peeling_for_loop_bound): Likewise.
9235
9236         * tree-vect-analyze.c: New file.
9237         * tree-vect-transform.c: New file.
9238
9239 2005-02-17  Jason Merrill  <jason@redhat.com>
9240
9241         PR mudflap/19319, c++/19317
9242         * gimplify.c (gimplify_modify_expr_rhs) [CALL_EXPR]: Make return
9243         slot explicit.
9244
9245 2005-02-17  Gerald Pfeifer  <gerald@pfeifer.com>
9246
9247         * doc/install.texi (Specific): Update link for Darwin-specific
9248         tool binary site.
9249
9250 2005-02-16  James A. Morrison  <phython@gcc.gnu.org>
9251
9252         * fold-const.c (invert_truthvalue): <INTEGER_CST>: Call
9253         constant_boolean_node.
9254
9255 2005-02-16  David Edelsohn  <edelsohn@gnu.org>
9256
9257         PR target/19019
9258         * config/rs6000/t-aix43 (SHLIB_MAPFILES): Add libgcc-ppc64.ver.
9259         * config/rs6000/t-aix52 (SHLIB_MAPFILES): Same.
9260
9261 2005-02-16  Richard Henderson  <rth@redhat.com>
9262
9263         PR 19920
9264         * libgcc2.c (WORD_SIZE): Remove all definitions; replace uses
9265         with W_TYPE_SIZE.
9266         (HIGH_WORD_COEFF, HIGH_HALFWORD_COEFF): Remove all definitions;
9267         replace uses with Wtype_MAXp1_F.
9268         (L_fixunstfdi, L_fixtfdi, L_floatditf, L_fixunsxfdi, L_fixxfdi,
9269         L_floatdixf, L_fixunsxfsi, L_fixunsdfdi, L_floatdidf, L_fixunsdfsi,
9270         L_powidf2, L_powixf2, L_powitf2, L_muldc3, L_divdc3, L_mulxc3,
9271         L_divxc3, L_multc3, L_divtc3): Protect with HAVE_DFMODE, HAVE_XFMODE,
9272         and HAVE_TFMODE as appropriate.
9273         (__fixunssfDI): Provide an implementation that doesn't need DFmode.
9274         (__floatdisf): Likewise.
9275         * libgcc2.h (LIBGCC2_DOUBLE_TYPE_SIZE): New.
9276         (HAVE_DFMODE, HAVE_XFMODE, HAVE_TFMODE): New.
9277         (Wtype_MAXp1_F): New.
9278         (DFtype, DCtype, __fixdfdi, __floatdidf, __fixunsdfSI, __fixunsdfDI,
9279         __powidf2, __divdc3, __muldc3): Protect with HAVE_DFMODE.
9280
9281 2005-02-16  Richard Earnshaw  <rearnsha@arm.com>
9282
9283         * PR target/19162
9284         * arm.c (arm_apply_result_size): New function.
9285         * arm.h (APPLY_RESULT_SIZE): Define.
9286         * arm-protos.h (arm_apply_result_size): Add prototype.
9287         * arm.md (RO_REGNUM, FPA_F0_REGNUM, FPA_F7_REGNUM): New constants.
9288         (movxf): New expand.
9289         (ldmsi_postinc4_thumb, stmsi_postinc4_thumb): New patterns for Thumb.
9290         (call_value_symbol): Remove predicate for operand 0.
9291         (call_value_insn, sibcall_value, sibcall_value_insn): Likewise.
9292         (untyped_call): Rework to correclty return values for any type.
9293         (untyped_return): New expand.
9294         * fpa.md (movxf_fpa): Simplify and use sfm/lfm when appropriate.
9295
9296 2005-02-16  Stan Shebs  <shebs@apple.com>
9297
9298         * config.gcc (powerpc-*-darwin*): Use fragment for Darwin 8 or later.
9299         * config/rs6000/t-darwin8: New, for 64-bit multilib.
9300
9301 2005-02-16  Eric Botcazou  <ebotcazou@libertysurf.fr>
9302
9303         * doc/install.texi (sparc-sun-solaris2*): Document required GMP
9304         configure settings on Solaris 7 and later.
9305
9306 2005-02-16  Diego Novillo  <dnovillo@redhat.com>
9307
9308         PR tree-optimization/19865
9309         * tree-optimize.c (init_tree_optimization_passes): Run
9310         pass_may_alias after pass_sra.
9311
9312 2005-02-16  Richard Henderson  <rth@redhat.com>
9313             Stuart Hastings  <stuart@apple.com>
9314
9315         PR debug/19521
9316         * dbxout.c (dbxout_function_end): Take decl parameter; update callers.
9317         Do nothing if debug info suppressed for this function.
9318         (dbxout_begin_function): Early exit if debug info suppressed for
9319         this function.
9320
9321 2005-02-16  Kazu Hirata  <kazu@cs.umass.edu>
9322
9323         PR target/20007
9324         * config/ip2k/ip2k.c (ip2k_reorg): Adjust calls to
9325         find_basic_blocks.
9326         * config/sh/sh.c (sh_output_mi_thunk): Likewise.
9327
9328         PR tree-optimization/19967
9329         * builtins.c (expand_builtin_strstr, expand_builtin_strpbrk,
9330         expand_builtin_strchr, expand_builtin_strrchr): Take a new
9331         argument TYPE.  Adjust calls to fold_builtin_XXX.
9332         (expand_builtin, fold_builtin_1): Adjust calls to
9333         expand_builtin_XXX.
9334         (fold_builtin_strchr, fold_builtin_strpbrk,
9335         fold_builtin_strstr, fold_builtin_strrchr): Convert the folded
9336         result to a requested type TYPE.
9337
9338 2005-02-16  Jakub Jelinek  <jakub@redhat.com>
9339
9340         PR middle-end/19857
9341         * fold-const.c (fold): Don't optimize (T)(x & cst) to
9342         (T)x & (T)cst if (T)cst overflows.
9343         * convert.c (convert_to_integer) <case POINTER_TYPE>: Pass
9344         TYPE_UNSIGNED (type) as type_for_size's UNSIGNEDP argument.
9345
9346 2005-02-15  Jeff Law  <law@redhat.com>
9347
9348         * gcse.c (blocks_with_calls): New bitmap.
9349         (alloc_gcse_mem): Allocate it.
9350         (free_gcse_mem): Free it.
9351         (clear_modifY_mem_tables): Clear it.
9352         (record_last_mem_set_info): Set the proper bit in BLOCK_WITH_CALLS
9353         when we encounter CALL_INSNs.
9354         (compute_transp, case MEM): Handle blocks with calls separate
9355         from blocks without calls.  Use bitmap iterators rather than
9356         FOR_EACH_BB.
9357
9358 2005-02-15  Peter O'Gorman  <peter@pogma.com>
9359
9360         PR bootstrap/18810
9361         * mklibgcc.in (vis_hide): Use a temporary object file, not
9362         -o /dev/null.
9363
9364 2005-02-15  Andy Hutchinson  <HutchinsonAndy@netscape.net>
9365
9366         PR target/19924
9367         * config/avr/avr.h (MODES_TIEABLE_P): Define to 1 to allow subreg
9368         access optimization.
9369
9370 2005-02-15  David Edelsohn  <edelsohn@gnu.org>
9371             Alan Modra  <amodra@bigpond.net.au>
9372
9373         PR target/19019
9374         * config/rs6000/darwin-ldouble.c (_xlqadd): Rename to __gcc_qadd.
9375         (_xlqsub): Rename to __gcc_qsub.
9376         (_xlqmul): Rename to __gcc_qmul.
9377         (_xlqdiv): Rename to __gcc_qdiv.
9378         Provide versioned symbol aliases with old names.
9379         * config/rs6000/libgcc-ppc64.ver: Rename symbols.
9380         * config/rs6000/rs6000.c (rs6000_init_libfuncs): Rename symbols.
9381         * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): New.
9382         * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): New.
9383         * config/rs6000/t-newas (LIB2FUNCS_EXTRA): New.
9384
9385 2005-02-15  James A. Morrison  <phython@gcc.gnu.org>
9386
9387         * fold-const.c (fold): Fold -(~A) to A + 1.  Fold ~(-A) to A - 1.
9388         Fold ~(A - 1) and ~(A + -1) to -A.
9389
9390 2005-02-15  James A. Morrison  <phython@gcc.gnu.org>
9391
9392         PR pch/14940
9393         PR target/19300
9394         * config/host-linux.c (linux_gt_pch_use_address): Copy from
9395         config/pa/pa-host.c:pa_gt_pch_use_address.
9396
9397 2005-02-15  Daniel Berlin  <dberlin@dberlin.org>
9398
9399         * tree-vn.c (get_value_handle): Make sure that given an
9400         is_gimple_min_invariant expression, we always return it.
9401
9402 2005-02-15  Kazu Hirata  <kazu@cs.umass.edu>
9403
9404         * passes.c (rest_of_handle_gcse): Fix a comment.
9405
9406 2005-02-15  Jeff Law  <law@redhat.com>
9407
9408         * gcse.c (canon_modify_mem_set_list_set): Kill unnecessary
9409         bitmap.
9410         (alloc_gcse_mem, free_gcse_mem): Corresponding changes.
9411         (canon_list_insert, record_last_mem_set_info): Similarly.
9412         (clear_modify_mem_tables): Similarly.
9413
9414 2005-02-15  Kazu Hirata  <kazu@cs.umass.edu>
9415
9416         * bitmap.c, bitmap.h, lambda-code.c, tree-dfa.c, tree-dump.c,
9417         tree-dump.h, tree-ssa-loop-manip.c, value-prof.c,
9418         config/mips/mips.md, config/rs6000/aix.h,
9419         config/rs6000/beos.h, config/rs6000/sysv4.h: Update copyright.
9420
9421 2005-02-15  Richard Henderson  <rth@redhat.com>
9422
9423         * bb-reorder.c (find_traces_1_round): Force fallthru edge from a
9424         call to be best_edge.
9425
9426 2005-02-14  Kazu Hirata  <kazu@cs.umass.edu>
9427
9428         * basic-block.h: Adjust the prototype for find_basic_blocks.
9429         * cfgbuild.c (find_basic_blocks): Remove unused arguments.
9430         * passes.c (rest_of_handle_loop_optimize): Adjust the call to
9431         find_basic_blocks.
9432
9433         * flow.c (recompute_reg_usage): Remove all arguments.
9434         * passes.c (rest_of_compilation): Adjust the call to
9435         recompute_reg_usage.
9436         * rtl.h: Adjust the prototype for recompute_reg_usage.
9437
9438 2005-02-14  Daniel Berlin  <dberlin@dberlin.org>
9439
9440         * tree-dump.c (dump_files): Update to reflect new member
9441         of dump_file_info.
9442         (dump_register): Add new argument.
9443         Set glob name.
9444         (dump_switch_p_1): Check against glob name if doglob was passed.
9445         (dump_switch_p): Check against regular first, then glob if
9446         we didn't have any hits on the dump name.
9447         * tree-optimize.c (register_one_dump_file):
9448         Pass in glob name as well.
9449         * tree-pass.h (struct dump_file_info): Add glob
9450         member.
9451
9452 2005-02-14  Joseph S. Myers  <joseph@codesourcery.com>
9453
9454         PR preprocessor/16323
9455         * doc/invoke.texi: Document that -Wendif-labels is on by default.
9456
9457 2005-02-14  David Edelsohn  <edelsohn@gnu.org>
9458
9459         PR target/19019
9460         * config/rs6000/rs6000.md (trunctfdf2): Change to define_expand.
9461         (trunctfdf2_internal1): New.
9462         (trunctfdf2_internal2): Renamed from trunctfdf2.
9463
9464 2005-02-14  Diego Novillo  <dnovillo@redhat.com>
9465
9466         PR tree-optimization/19853
9467         * tree-dfa.c (add_referenced_var): Always examine DECL_INITIAL.
9468
9469 2005-02-14  Kazu Hirata  <kazu@cs.umass.edu>
9470
9471         * passes.c (rest_of_handle_loop_optimize): Remove calls to
9472         delete_dead_jumptables and cleanup_cfg.
9473
9474 2005-02-14  Ulrich Weigand  <uweigand@de.ibm.com>
9475
9476         * reload.c (find_reloads): Swap address_reloaded flags when
9477         swapping commutative operands.
9478
9479 2005-02-14  Sebastian Pop  <pop@cri.ensmp.fr>
9480
9481         * lambda-code.c (lambda_loopnest_to_gcc_loopnest, perfect_nestify):
9482         Use standard_iv_increment_position for computing the bsi position
9483         for create_iv.
9484         * tree-ssa-loop-manip.c (create_iv): Add a comment on how to compute
9485         the bsi position.
9486
9487 2005-02-13  Zdenek Dvorak  <dvorakz@suse.cz>
9488
9489         PR target/17428
9490         * cfgrtl.c (safe_insert_insn_on_edge): Avoid extending
9491         life range of hard registers.
9492         * value-prof.c (insn_prefetch_values_to_profile): Only
9493         scan normal insns.
9494
9495         * value-prof.c (rtl_find_values_to_profile): Do not look for values to
9496         profile in libcalls.
9497
9498 2005-02-13  Nathan Sidwell  <nathan@codesourcery.com>
9499
9500         * bitmap.h (bitmap_and_compl_into): Return bool.
9501         * bitmap.c (bitmap_and_compl_into): Return changed flag.
9502
9503 2005-02-13  James A. Morrison  <phython@gcc.gnu.org>
9504
9505         PR tree-optimization/19944
9506         * fold-const.c (fold): Re-add ABS_EXPR folding.
9507
9508 2005-02-13  David Edelsohn  <edelsohn@gnu.org>
9509
9510         PR target/19019
9511         * config/rs6000/aix.h ({TARGET,MASK}_XL_CALL): Rename to
9512         {TARGET,MASK}_XL_COMPAT.
9513         (SUBTARGET_SWITCHES): Rename xl-call to xl-compat.  Use
9514         MASK_XL_COMPAT.
9515         * config/rs6000/beos.h ({TARGET,MASK}_XL_CALL): Remove.
9516         * config/rs6000/rs6000.c (function_arg): Change TARGET_XL_CALL to
9517         TARGET_XL_COMPAT.
9518         (rs6000_arg_partial_bytes): Same.
9519         (rs6000_generate_compare): Generate PARALLEL for compare if TFmode
9520         and XL compatibility enabled.
9521         * config/rs6000/rs6000.h (TARGET_XL_CALL): Rename to TARGET_XL_COMPAT.
9522         * config/rs6000/rs6000.md (cmptf_internal1): Add !TARGET_XL_COMPAT
9523         test to final condition.
9524         (cmptf_internal2): New.
9525         * doc/invoke.texi (RS/6000 Subtarget Options): Change xl-call to
9526         xl-compat.  Add TFmode information to description.
9527
9528 2005-02-13  Kazu Hirata  <kazu@cs.umass.edu>
9529
9530         * flags.h, read-rtl.c, tree-ssa-live.h: Update copyright.
9531
9532 2005-02-13  Jason Merrill  <jason@redhat.com>
9533
9534         PR c++/16405
9535         * fold-const.c (fold_indirect_ref_1): Split out from...
9536         (build_fold_indirect_ref): Here.
9537         (fold_indirect_ref): New fn.
9538         * tree.h: Declare it.
9539         * gimplify.c (gimplify_compound_lval): Call fold_indirect_ref.
9540         (gimplify_modify_expr_rhs): Likewise.
9541         (gimplify_expr): Likewise.
9542
9543 2005-02-13  James A. Morrison  <phython@gcc.gnu.org>
9544
9545         PR tree-optimization/14303
9546         PR tree-optimization/15784
9547         * fold-const.c (fold): Fold ABS_EXPR<x> >= 0 to true, when possible.
9548         Fold ABS_EXPR<x> < 0 to false.  Fold ABS_EXPR<x> == 0 to x == 0 and
9549         ABS_EXPR<x> != 0 to x != 0.
9550
9551 2005-02-12  Kazu Hirata  <kazu@cs.umass.edu>
9552
9553         * c-tree.h, combine.c, expmed.c, flow.c, libgcc2.c,
9554         simplify-rtx.c, tree-ssa-live.h: Fix comment typos.  Follow
9555         spelling conventions.
9556
9557         * passes.c (rest_of_handle_gcse): Don't run cse_main and
9558         delete_trivially_dead_insns too many times.
9559
9560         * passes.c (rest_of_handle_gcse): Remove dead assignments to
9561         tem and tem2.
9562
9563 2005-02-12  Ira Rosen  <irar@il.ibm.com>
9564
9565         * tree-vectorizer.c (vect_get_base_and_offset): Remove.
9566         (vect_is_simple_iv_evolution): Remove redundant parameter
9567         and step check.
9568         (vect_analyze_scalar_cycles): Call vect_is_simple_iv_evolution
9569         without last parameter.
9570         (vect_analyze_pointer_ref_access): Get access_fn as parameter.
9571         Return pointer step. Call vect_is_simple_iv_evolution without
9572         last parameter. Check only that the step is multiple of size
9573         type. Remove stmt_vinfo updates.
9574         (vect_get_memtag_and_dr): Remove.
9575         (vect_get_memtag): New function.
9576         (vect_address_analysis): New function.
9577         (vect_object_analysis): New function.
9578         (vect_analyze_data_refs): Call vect_object_analysis and
9579         vect_get_memtag. Update stmt_vinfo fields.
9580
9581 2005-02-12  Ira Rosen  <irar@il.ibm.com>
9582
9583         * tree-data-ref.c (array_base_name_differ_p): Check that the bases
9584         exist and are objects. Remove checks for pointer.
9585         * tree-vectorizer.c (vect_create_addr_base_for_vector_ref): Use
9586         STMT_VINFO_VECT_DR_BASE_ADDRESS instead of DR_BASE_NAME.
9587         (vect_create_data_ref_ptr): Likewise.
9588         (vect_base_addr_differ_p): New function.
9589         (vect_analyze_data_ref_dependence): Call vect_base_addr_differ_p.
9590         (vect_analyze_pointer_ref_access): Add output parameter - ptr_init.
9591         Don't set the DR_BASE_NAME field of data-ref.
9592         (vect_get_memtag_and_dr): Use ptr_init instead of DR_BASE_NAME.
9593
9594 2005-02-12  Uros Bizjak  <uros@kss-loka.si>
9595
9596         * optabs.h (enum optab_index): Add new OTI_ldexp.
9597         (ldexp_optab): Define corresponding macro.
9598         * optabs.c (init_optabs): Initialize ldexp_optab.
9599         * genopinit.c (optabs): Implement ldexp_optab using ldexp?f3
9600         patterns.
9601         * builtins.c (expand_builtin_mathfn_2): Handle BUILT_IN_LDEXP{,F,L}
9602         using ldexp_optab.
9603         (expand_builtin): Expand BUILT_IN_LDEXP{,F,L} using
9604         expand_builtin_mathfn_2 if flag_unsafe_math_optimizations is set.
9605
9606         * config/i386/i386.md (ldexpsf3, ldexpdf3, ldexpxf3): New expanders
9607         to implement ldexpf, ldexp and ldexpl built-ins as inline x87
9608         intrinsics.
9609
9610 2005-02-12  Ira Rosen  <irar@il.ibm.com>
9611
9612         * tree-vectorizer.h (struct _stmt_vec_info): Rename a field: base
9613         to base_address.
9614         * tree-vectorizer.c (new_stmt_vec_info): Rename the above field of
9615         stmt_vec_info.
9616         (vect_get_base_and_offset): Always return an address.
9617         (vect_create_addr_base_for_vector_ref): Remove treatment for
9618         different data reference types.
9619         (vect_compute_data_ref_alignment): Rename base to base_address in
9620         stmt_vec_info. Get the object in order to force its alignment.
9621         (vect_get_memtag_and_dr): Rename base to base_address in
9622         stmt_vec_info. Extract the object for memtag analysis.
9623
9624 2005-02-12  Hans-Peter Nilsson  <hp@axis.com>
9625
9626         PR regression/19898.
9627         * config/cris/cris.c (cris_notice_update_cc): When testing if insn
9628         changes cc_status, use apply modified_in_p to part of cc_status
9629         and insn, not cris_reg_overlap_mentioned_p on SET_DEST of insn
9630         body.
9631
9632 2005-02-11  Richard Henderson  <rth@redhat.com>
9633
9634         * tree-complex.c (expand_complex_libcall): New.
9635         (expand_complex_multiplication): Use it for c99 compliance.
9636         (expand_complex_division): Likewise.
9637         * fold-const.c (fold_complex_add, fold_complex_mult): New.
9638         (fold): Call them.
9639         * builtins.c (built_in_names): Remove const.
9640         * tree.c (build_common_builtin_nodes): Build complex arithmetic
9641         builtins.
9642         * tree.h (BUILT_IN_COMPLEX_MUL_MIN, BUILT_IN_COMPLEX_MUL_MAX): New.
9643         (BUILT_IN_COMPLEX_DIV_MIN, BUILT_IN_COMPLEX_DIV_MAX): New.
9644         (built_in_names): Remove const.
9645         * c-common.c (c_common_type_for_mode): Handle complex modes.
9646         * flags.h, toplev.c (flag_complex_method): Rename from
9647         flag_complex_divide_method.
9648         * libgcc2.c (__divsc3, __divdc3, __divxc3, __divtc3,
9649         __mulsc3, __muldc3, __mulxc3, __multc3): New.
9650         * libgcc2.h: Declare them.
9651         * libgcc-std.ver: Export them.
9652         * mklibgcc.in (lib2funcs): Build them.
9653
9654 2005-02-11  Steven Bosscher  <stevenb@suse.de>
9655
9656         PR tree-optimization/19876
9657         Partially revert my change from 2005-01-14
9658         * tree-ssa-pre.c (compute_antic_aux): Make recursive once again...
9659         (compute_antic): ...and remove the loop here.
9660
9661 2005-02-11  Jakub Jelinek  <jakub@redhat.com>
9662
9663         PR middle-end/19858
9664         * fold-const.c (make_bit_field_ref): If bitpos == 0 and bitsize
9665         is number of inner's bits, avoid creating a BIT_FIELD_REF.
9666
9667         * config/rs6000/sysv4.h (ENDFILE_LINUX_SPEC): Use crtendS.o instead of
9668         crtend.o if -pie.  Use %{x:a;:b} spec syntax.
9669
9670 2005-02-11  Daniel Jacobowitz  <dan@codesourcery.com>
9671
9672         * config/mips/linux-unwind.h (mips_fallback_frame_state): Adjust
9673         offsets for the big-endian 32-bit case.
9674
9675 2005-02-11  Joseph S. Myers  <joseph@codesourcery.com>
9676
9677         * config/ia64/hpux.h (WCHAR_TYPE, WCHAR_TYPE_SIZE): Define.
9678
9679 2005-02-11  Dale Johannesen  <dalej@apple.com>
9680
9681         * cselib.c (cselib_process_insn):  Clear out regs where
9682         HARD_REGNO_CALL_PART_CLOBBERED is true at a call.
9683         * reload.c (find_equiv_reg): Ditto.
9684
9685 2005-02-11  Ian Lance Taylor  <ian@airs.com>
9686
9687         * read-rtl.c (read_rtx_1): Give fatal error if we see a vector
9688         with no elements.
9689
9690         * tree.c (build_function_type_list): Work correctly if there are
9691         no arguments.
9692
9693 2005-02-11  Ulrich Weigand  <uweigand@de.ibm.com>
9694
9695         * config/s390/s390.md ("*cmpdi_cct", "*cmpsi_cct", "*cmpdi_ccs",
9696         "*cmpsi_ccs"): Use %h instead of %c to print immediate operand.
9697         ("*zero_extendhisi2_64", "*zero_extendhisi2_31"): Choose based on
9698         TARGET_ZARCH instead of TARGET_64BIT.
9699
9700 2005-02-11  Ralf Corsepius  <ralf.corsepius@rtems.org>
9701
9702         * config/rs6000/t-rtems:
9703         (MULTILIB_OPTIONS): Remove mcpu=602.
9704         (MUTLILIB_DIRNAMES): Remove m602.
9705         (MULTILIB_MATCHES): Add ${MULTILIB_MATCHES_FLOAT}.
9706         Let mcpu=602 match mcpu=603.
9707         (MULTILIB_NEW_EXCEPTIONS_ONLY): Add mcpu=601, mcpu=602, mcpu=m603.
9708
9709 2005-02-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
9710
9711         * pa/linux-unwind.h (pa32_fallback_frame_state): Handle misaligned
9712         signal trampolines.
9713
9714 2005-02-10  David Daney  <ddaney@avtrex.com>
9715
9716         * config/alpha/linux-unwind.h: Add exception clause to copyright.
9717         * config/i386/linux-unwind.h: Likewise.
9718         * config/ia64/linux-unwind.h: Likewise.
9719         * config/mips/linux-unwind.h: Likewise.
9720         * config/pa/linux-unwind.h: Likewise.
9721         * config/rs6000/linux-unwind.h: Likewise.
9722         * config/s390/linux-unwind.h: Likewise.
9723         * config/sh/linux-unwind.h: Likewise.
9724         * config/sparc/linux-unwind.h: Likewise.
9725
9726 2005-02-10  Steven Bosscher  <stevenb@suse.de>
9727
9728         PR tree-optimization/17549
9729         * tree-outof-ssa.c (find_replaceable_in_bb): Do not allow
9730         TER to replace a DEF with its expression if the DEF and the
9731         rhs of the expression we replace into have the same root
9732         variable.
9733
9734 2005-02-10  Richard Sandiford  <rsandifo@redhat.com>
9735
9736         * config/mips/mips.md: Fix the placement of the match_scratch in the
9737         lea64 peephole2.
9738
9739 2005-02-10  Kazu Hirata  <kazu@cs.umass.edu>
9740
9741         * cse.c, tree-ssa-loop-ivopts.c, config/rs6000/linux-unwind.h:
9742         Fix comment typos.
9743
9744 2005-02-10  Zdenek Dvorak  <dvorakz@suse.cz>
9745
9746         * tree-ssa-loop-ivopts.c (determine_base_object): Ignore casts.
9747         (strip_offset): Handle addresses.
9748         (add_address_candidates): Use strip_offset.
9749         (difference_cost): Reflect strip_offset change.
9750         (force_var_cost, difference_cost): Strip nops.
9751
9752 2005-02-10  Kazu Hirata  <kazu@cs.umass.edu>
9753
9754         * df.h (DF_REF_MODE_CHANGE, DF_REF_MEM_OK): Remove.
9755
9756         * builtins.def, haifa-sched.c, libgcc2.c, libgcc2.h,
9757         tree-ssa-loop-ivcanon.c, tree-ssa-loop-niter.c,
9758         config/cris/cris-protos.h, config/cris/cris.c: Update
9759         copyright.
9760
9761 2005-02-10  Jeff Law  <law@redhat.com>
9762
9763         * tree-ssa-dom.c (thread_across_edge): Use xmalloc, not xcalloc.
9764         (lookup_avail_expr): Similarly.
9765
9766 2005-02-10  Richard Guenther  <rguenth@gcc.gnu.org>
9767
9768         * builtins.c (fold_builtin_powi): New function.
9769         (fold_builtin_1): Call it.
9770
9771 2005-02-10  Steven Bosscher  <stevenb@suse.de>
9772
9773         PR documentation/19309
9774         * doc/cpp.texi: The __GNUC__ and related predefined macros
9775         are also defined for the "standalone" cpp.
9776         Some non-GCC compilers may also define __GNUC__.
9777
9778 2005-02-10  Jakub Jelinek  <jakub@redhat.com>
9779
9780         PR c/19342
9781         * c-typeck.c (common_type): New routine.  Old common_type renamed
9782         to...
9783         (c_common_type): ...this.
9784         (build_conditional_expr, build_binary_op): Use c_common_type instead
9785         of common_type.
9786
9787 2005-02-10  Steven Bosscher  <stevenb@suse.de>
9788
9789         * doc/md.texi: Replace @samp{length} with @code{length}.
9790
9791 2005-02-09  Zdenek Dvorak  <dvorakz@suse.cz>
9792
9793         PR tree-optimization/18687
9794         * tree-flow.h (find_loop_niter): Declare.
9795         * tree-ssa-loop-ivcanon.c (canonicalize_loop_induction_variables):
9796         Try using scev even for loops with more than one exit.
9797         * tree-ssa-loop-ivopts.c (struct loop_data): Removed niter field.
9798         (struct ivopts_data): Added niters field.
9799         (struct nfe_cache_elt): New.
9800         (nfe_hash, nfe_eq, niter_for_exit, niter_for_single_dom_exit): New
9801         functions.
9802         (tree_ssa_iv_optimize_init): Initialize niters cache.
9803         (determine_number_of_iterations): Removed.
9804         (find_induction_variables): Do not call determine_number_of_iterations.
9805         Access niters for single exit through niter_for_single_dom_exit.
9806         (add_iv_outer_candidates): Access niters for single exit through
9807         niter_for_single_dom_exit.
9808         (may_eliminate_iv): Take data argument.  Use niter_for_exit.  Do not use
9809         number_of_iterations_cond.
9810         (iv_period): New function.
9811         (determine_use_iv_cost_condition): Pass data to may_eliminate_iv.
9812         (may_replace_final_value): Take data argument.  Use
9813         niter_for_single_dom_exit.
9814         (determine_use_iv_cost_outer): Pass data to may_replace_final_value.
9815         (rewrite_use_compare): Pass data to may_eliminate_iv.
9816         (rewrite_use_outer): Pass data to may_replace_final_value.
9817         (free_loop_data): Clean up the niters cache.
9818         (tree_ssa_iv_optimize_finalize): Free the niters cache.
9819         (tree_ssa_iv_optimize_loop): Do not call loop_commit_inserts.
9820         * tree-ssa-loop-niter.c (find_loop_niter): New function.
9821         (find_loop_niter_by_eval): Use tree_int_cst_lt.
9822         (num_ending_zeros): Moved to tree.c.
9823         * tree.h (num_ending_zeros): Declare.
9824         * tree.c (num_ending_zeros): Moved from tree.c.
9825
9826 2005-02-09  Richard Henderson  <rth@redhat.com>
9827
9828         * builtins.c (DEF_BUILTIN): Add COND argument.
9829         * tree.h (DEF_BUILTIN): Likewise.
9830         * builtins.def (DEF_GCC_BUILTIN, DEF_LIB_BUILTIN, DEF_EXT_LIB_BUILTIN,
9831         DEF_C94_BUILTIN, DEF_C99_BUILTIN, DEF_C99_C90RES_BUILTIN): Update to
9832         match.
9833         (DEF_BUILTIN_STUB): New.
9834         (BUILT_IN_STACK_SAVE, BUILT_IN_STACK_RESTORE, BUILT_IN_INIT_TRAMPOLINE,
9835         BUILT_IN_ADJUST_TRAMPOLINE, BUILT_IN_NONLOCAL_GOTO,
9836         BUILT_IN_PROFILE_FUNC_ENTER, BUILT_IN_PROFILE_FUNC_EXIT): Use it.
9837         * c-common.c (DEF_BUILTIN): Add COND argument.
9838         * tree.c (local_define_builtin): New.
9839         (build_common_builtin_nodes): New.
9840
9841 2005-02-09  Roger Sayle  <roger@eyesopen.com>
9842
9843         * fold-const.c (fold_strip_sign_ops): New function to simplify a
9844         floating point expression ignoring the sign of the result.
9845         (fold) <ABS_EXPR>: Use it to simplify fabs(x).
9846         (fold) <MULT_EXPR>: Use it to simplify x*x.
9847         * tree.h (fold_strip_sign_ops): Prototype here.
9848         * builtins.c (fold_builtin_copysign): Take an additional FNDECL
9849         argument.  Use fold_strip_sign_ops to simplify the first argument.
9850         (fold_builtin_pow):  Use fold_strip_sign_ops to simplify the
9851         first argument when the second argument is an even integer
9852         constant, but only with -funsafe_math_optimizations.
9853         (fold_builtin_1): Update call to fold_builtin_copysign.
9854
9855 2005-02-09  Ian Lance Taylor  <ian@airs.com>
9856
9857         PR middle-end/19583
9858         * gimple-low.c (try_catch_may_fallthru): In EH_FILTER_EXPR case,
9859         just check whether EH_FILTER_FAILURE falls through.
9860
9861 2005-02-09  Andreas Krebbel  <krebbel1@de.ibm.com>
9862
9863         * gcc/haifa-sched.c (schedule_block): Make queued sched group
9864         insns return to ready list in the next turn.
9865
9866 2005-02-09  Richard Guenther  <rguenth@gcc.gnu.org>
9867
9868         PR middle-end/19402
9869         * builtins.def: New __builtin_powi[lf].
9870         * builtins.c (mathfn_built_in): Handle BUILT_IN_POWI.
9871         (expand_builtin_powi): New function.
9872         (expand_builtin): Dispatch to expand_builtin_powi.
9873         * libgcc2.h: Add prototypes for __builtin_powi[lf].
9874         * libgcc2.c: Add __builtin_powi[lf] implementation.
9875         * mklibgcc.in: Add __builtin_powi[lf] to lib2funcs.
9876         * optabs.h: Add powi_optab.
9877         * optabs.c (init_optabs): Initialize powi_optab.
9878         * doc/extend.texi: Document __builtin_powi[lf].
9879
9880 2005-02-09  Dorit Naishlos  <dorit@il.ibm.com>
9881
9882         * tree-vectorizer.c (vect_set_dump_settings): Check that dump_file
9883         exists.
9884
9885 2005-02-09  Richard Guenther  <rguenth@gcc.gnu.org>
9886
9887         PR middle-end/19854
9888         * fold-const.c (try_move_mult_to_index): Remove redundant
9889         type argument.  Create ADDR_EXPR with correct type.
9890         (fold): Update callers of try_move_mult_to_index.  Convert
9891         result to the appropriate type.
9892
9893 2005-02-09  Roger Sayle  <roger@eyesopen.com>
9894
9895         PR target/19597
9896         * config/avr/avr.c (default_rtx_costs): Delete.
9897         (avr_operand_rtx_cost): New function.
9898         (avr_rtx_costs): Completely rewrite.
9899
9900 2005-02-08  Hans-Peter Nilsson  <hp@axis.com>
9901
9902         PR target/19806
9903         * config/cris/cris.c (in_code): New variable.
9904         (cris_output_addr_const): Now a static function, a wrapper for
9905         output_addr_const.
9906         (cris_asm_output_symbol_ref): New function, broken out SYMBOL_REF
9907         case from old cris_output_addr_const.
9908         (cris_asm_output_label_ref): Similar for LABEL_REF.
9909         (cris_output_addr_const_extra): Similar for UNSPEC.
9910         * config/cris/cris.h (OUTPUT_ADDR_CONST_EXTRA)
9911         (ASM_OUTPUT_SYMBOL_REF, ASM_OUTPUT_LABEL_REF): Define.
9912         * config/cris/cris-protos.h (cris_output_addr_const): Remove
9913         declaration.
9914         (cris_asm_output_symbol_ref, cris_output_addr_const_extra)
9915         (cris_asm_output_label_ref): Declare.
9916
9917 2005-02-08  Paolo Bonzini  <bonzini@gnu.org>
9918
9919         PR preprocessor/19801
9920         * doc/cppinternals.texi (Conventions, Lexer, Files): Adjust
9921         filenames that changed when libcpp was moved to the toplevel.
9922
9923 2005-02-07  Roger Sayle  <roger@eyesopen.com>
9924
9925         * simplify-rtx.c (simplify_relational_operation_1): Avoid creating
9926         zero extensions of BImode operands.  Call lowpart_subreg instead
9927         of gen_lowpart_common and gen_lowpart_SUBREG.
9928
9929 2005-02-07  Nathanael Nerode  <neroden@gcc.gnu.org>
9930
9931         PR ada/19489
9932         * libada-mk.in: Use cc_for_cross_gnattools, not cc_set_by_configure.
9933         * configure.ac: Set cc_for_cross_gnattools.
9934         * configure: Regenerate.
9935
9936 2005-02-08  Alan Modra  <amodra@bigpond.net.au>
9937
9938         PR target/19803
9939         * predict.c (PROB_VERY_UNLIKELY): Use 1% instead of 10%.
9940
9941 2005-02-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
9942
9943         PR debug/19327
9944         * dbxout.c (dbxout_symbol) <FUNCTION_DECL>: Skip inline instance
9945         of nested functions.
9946
9947 2005-02-07  Jonathan Wakely  <redi@gcc.gnu.org>
9948
9949         * doc/extend.texi: Document deprecated extensions allowing
9950         static floating-point members to have initializers and allowing
9951         floating-point literals in integral constant expressions.
9952
9953 2005-02-07  Kazu Hirata  <kazu@cs.umass.edu>
9954
9955         * cfgcleanup.c, df.h, diagnostic.c, rtl.c, tree-vectorizer.h,
9956         config/darwin7.h, config/mips/mips.c,
9957         config/rs6000/altivec.md, config/rs6000/darwin-tramp.asm:
9958         Update copyright.
9959
9960         * cse.c: Update comments.
9961
9962 2005-02-07  Richard Guenther  <rguenth@gcc.gnu.org>
9963
9964         PR middle-end/19775
9965         * builtins.c (fold_builtin_sqrt): Transform
9966         sqrt(pow(x,y)) to pow(fabs(x),y*0.5), not
9967         pow(x,y*0.5).
9968
9969 2005-02-07  Leehod Baruch  <leehod@il.ibm.com>
9970             Dorit Naishlos  <dorit@il.ibm.com>
9971
9972         * doc/invoke.texi (ftree-vectorizer-verbose): New.
9973         * opts.c (OPT_ftree_vectorizer_verbose_): New case for switch.
9974         * common.opt (ftree-vectorizer-verbose): New Flag for the vectorizer
9975         was added.
9976         * tree.h (vect_set_verbosity_level): New extern function declaration
9977         added.
9978         * tree-vectorizer.h (verbosity_levels): New enum type.
9979         * tree-vectorizer.c (vect_debug_stats): Function removed.
9980         (vect_debug_details): Likewise.
9981         (vect_verbosity_level): Global variable was defined and initialized.
9982         (vect_dump): Global variable definition.
9983         (vect_print_dump_info): New function.
9984         (vect_set_dump_settings): New function.
9985         (vect_set_verbosity_level): New function.
9986         (vectorize_loops): Add call to vect_set_dump_settings.
9987
9988         (slpeel_make_loop_iterate_ntimes): Dump condition was changed.
9989         (slpeel_tree_duplicate_loop_to_edge_cfg): Likewise.
9990         (slpeel_tree_peel_loop_to_edge): Likewise.
9991
9992         (vect_analyze_offset_expr): Call to vect_print_dump_info with
9993         appropriate verbosity level instead of call to vect_debug_details
9994         or vect_debug_stats.
9995         (vect_get_base_and_offset):
9996         (vect_create_addr_base_for_vector_ref):
9997         (get_vectype_for_scalar_type):
9998         (vect_create_data_ref_ptr):
9999         (vect_init_vector):
10000         (vect_get_vec_def_for_operand):
10001         (vect_finish_stmt_generation):
10002         (vectorizable_assignment):
10003         (vectorizable_operation):
10004         (vectorizable_store):
10005         (vectorizable_load):
10006         (vect_transform_stmt):
10007         (vect_update_ivs_after_vectorizer):
10008         (vect_do_peeling_for_loop_bound):
10009         (vect_update_inits_of_drs):
10010         (vect_do_peeling_for_alignment):
10011         (vect_transform_loop):
10012         (vect_is_simple_use):
10013         (vect_analyze_operations):
10014         (vect_is_simple_iv_evolution):
10015         (vect_analyze_scalar_cycles):
10016         (vect_analyze_data_ref_dependence):
10017         (vect_analyze_data_ref_dependences):
10018         (vect_compute_data_ref_alignment):
10019         (vect_enhance_data_refs_alignment):
10020         (vect_analyze_data_refs_alignment):
10021         (vect_analyze_data_ref_access):
10022         (vect_analyze_data_ref_accesses):
10023         (vect_analyze_pointer_ref_access):
10024         (vect_get_memtag_and_dr):
10025         (vect_analyze_data_refs):
10026         (vect_mark_relevant):
10027         (vect_stmt_relevant_p):
10028         (vect_mark_stmts_to_be_vectorized):
10029         (vect_can_advance_ivs_p):
10030         (vect_get_loop_niters):
10031         (vect_analyze_loop_form):
10032         (vect_analyze_loop):
10033         (vectorize_loops): Likewise.
10034
10035         (vect_do_peeling_for_loop_bound): Dump format slightly changed.
10036         (vect_update_inits_of_drs):
10037         (vect_do_peeling_for_alignment):
10038         (vect_transform_loop):
10039         (vect_analyze_operations):
10040         (vect_analyze_scalar_cycles):
10041         (vect_analyze_data_ref_dependences):
10042         (vect_analyze_data_refs_alignment):
10043         (vect_analyze_data_ref_accesses):
10044         (vect_analyze_data_refs):
10045         (vect_mark_stmts_to_be_vectorized):
10046         (vect_get_loop_niters):
10047         (vect_analyze_loop_form):
10048         (vect_analyze_loop): Likewise.
10049         (vect_mark_stmts_to_be_vectorized): Add call to print_generic_expr.
10050
10051 2005-02-07  Richard Sandiford  <rsandifo@redhat.com>
10052
10053         PR bootstrap/19796
10054         Revert:
10055         2005-01-26  Richard Sandiford  <rsandifo@redhat.com>
10056         * config/mips/iris6.h (ENDFILE_SPEC): Don't link in irix-csr.o if
10057         either -ffast-math or -funsafe-math-optimizations is in use.
10058
10059         2005-01-24  Richard Sandiford  <rsandifo@redhat.com>
10060         * config/mips/irix-csr.c: New file.
10061         * config/mips/t-iris6 (irix-csr.o): New rule to build it.
10062         (EXTRA_MULTILIB_PARTS): Add irix-csr.o.
10063         * config/mips/iris6.h (ENDFILE_SPEC): Include it in n32 and n64
10064         executables.
10065
10066 2005-02-07  Alexandre Oliva  <aoliva@redhat.com>
10067
10068         * config/mn10300/linux.h (LIB_SPEC, STARTFILE_SPEC): Remove
10069         redundant, incorrect definitions.
10070
10071         * config/frv/frv.md ("tls_indirect_call"): Turn into libcall-like
10072         expand.
10073         ("*tls_indirect_call"): New, reference hard regs directly.
10074         * config/frv/frv.c (gen_inlined_tls_plt): Adjust.
10075
10076 2005-02-07  Ralf Corsepius  <ralf.corsepius@rtems.org>
10077
10078         * config/arm/rtems-elf.h (SUBTARGET_EXTRA_ASM_SPEC):
10079         Let !-mhard-float !-msoft-float imply -mfpu=softfpa.
10080
10081 2005-02-06  Roger Sayle  <roger@eyesopen.com>
10082
10083         PR rtl-optimization/19800
10084         * simplify_rtx.c (simplify_relational_operation_1): Explicitly
10085         call gen_lowpart_common and gen_lowpart_SUBREG instead of calling
10086         gen_lowpart.
10087
10088 2005-02-07  Ralf Corsepius  <ralf.corsepius@rtems.org>
10089
10090         * config/m68k/t-rtems (MULTILIB_MATCHES): Let m528x match m5200.
10091
10092 2005-02-07  Joseph S. Myers  <joseph@codesourcery.com>
10093
10094         PR other/17135
10095         * doc/invoke.texi: Correct documentation of -freorder-functions.
10096
10097 2005-02-06  Joseph S. Myers  <joseph@codesourcery.com>
10098
10099         PR other/14402
10100         * doc/invoke.texi: Don't mention gccbug.
10101
10102 2005-02-06  Roger Sayle  <roger@eyesopen.com>
10103             Andrew Pinski  <pinskia@physics.uc.edu>
10104             Paolo Bonzini  <paolo.bonzini@lu.unisi.ch>
10105
10106         * simplify-rtx.c (simplify_relational_operation_1): Simplify
10107         (ne:SI (zero_extract:SI FOO (const_int 1) BAR) (const_int 0))
10108         into just (zero_extract:SI FOO (const_int 1) BAR).
10109
10110 2005-02-06  Joseph S. Myers  <joseph@codesourcery.com>
10111
10112         * doc/cpp.texi: Include gcc-common.texi.  Don't define gcctabopt
10113         macro locally.  Don't give last revision date.  Use GCC version
10114         number from gcc-common.texi.
10115         * doc/cppinternals.texi: Include gcc-common.texi.  Don't give last
10116         revision date.  Use GCC version number from gcc-common.texi.
10117         Describe being a library as current state rather than as 3.x
10118         history.
10119         * doc/gcc.texi: Remove last update date.
10120         * doc/gccint.texi: Likewise.  Update copyright dates.
10121         * doc/install.texi: Update copyright dates.
10122
10123 2005-02-06  Joseph S. Myers  <joseph@codesourcery.com>
10124
10125         PR other/7549
10126         * doc/invoke.texi: Mention for each option included in -Wall that
10127         it is included in -Wall.
10128         * doc/gcc.texi: Update copyright and last modification date.
10129
10130 2005-02-06  Zdenek Dvorak  <dvorakz@suse.cz>
10131
10132         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Do not add
10133         unnecessary cast to original induction variable increments.
10134
10135 2005-02-06  Zdenek Dvorak  <dvorakz@suse.cz>
10136
10137         PR tree-optimization/18219
10138         * tree-ssa-loop-ivopts.c (get_computation_at): Produce computations
10139         in distributed form.
10140
10141 2005-02-06  Richard Sandiford  <rsandifo@redhat.com>
10142
10143         * expmed.c (store_bit_field): Make the SUBREG code adjust bitnum.
10144         Set bitpos and offset later in the function.  Do nothing if the
10145         target is a register and if the bitfield lies completely outside
10146         that register.
10147         (extract_bit_field): Make the same SUBREG, bitpos and offset changes
10148         here.  Return an uninitialised register if the source value is stored
10149         in a register and the bitfield lies completely outside that register.
10150
10151 2005-02-06  Steven Bosscher  <stevenb@suse.de>
10152
10153         * df.c (df_insn_refs_record): Use XEXP to get the operand of a USE,
10154         not SET_DEST.
10155
10156 2005-02-06  Marcin Dalecki  <martin@dalecki.de>
10157
10158         * diagnostic.c (default_diagnostic_finalizer): Fix use of attribute.
10159
10160 2005-02-06  Geoffrey Keating  <geoffk@apple.com>
10161
10162         * config.gcc (*-*-darwin*): Separate darwin7 and darwin8 configs.
10163         * config/darwin8.h: New.
10164         * config/darwin7.h: Update comment.
10165
10166 2005-02-03  Leehod Baruch  <leehod@il.ibm.com>
10167             Dorit Naishlos  <dorit@il.ibm.com>
10168
10169         * tree-vectorizer.h (LOC): New type.
10170         (UNKNOWN_LOC, EXPR_LOC, LOC_FILE, LOC_LINE): New macros.
10171         (loop_line_number): New field in struct _loop_vec_info.
10172         (LOOP_VINFO_LOC, LOOP_LOC): New macros.
10173
10174         * tree-vectorizer.c (input.h): Included.
10175         (find_loop_location): New function.
10176         (vect_debug_stats): Argument changed from loop to LOC. Computation of
10177         loop line number removed.
10178         (vect_debug_details): Likewise.
10179         (new_loop_vec_info): Initialize new field LOOP_VINFO_LOC.
10180
10181         (slpeel_make_loop_iterate_ntimes): Call find_loop_location. Argument in
10182         call to vect_debug_details/stats changed from loop to loop_loc.
10183         (slpeel_tree_duplicate_loop_to_edge_cfg): Likewise.
10184         (slpeel_tree_peel_loop_to_edge): Likewise.
10185
10186         (vect_analyze_offset_expr): Argument in call to vect_debug_details/stats
10187         changed from NULL to UNKNOWN_LOC.
10188         (vect_get_base_and_offset):
10189         (vect_create_addr_base_for_vector_ref):
10190         (get_vectype_for_scalar_type):
10191         (vect_create_data_ref_ptr):
10192         (vect_init_vector):
10193         (vect_get_vec_def_for_operand):
10194         (vect_finish_stmt_generation):
10195         (vectorizable_assignment):
10196         (vectorizable_operation):
10197         (vectorizable_store):
10198         (vectorizable_load):
10199         (vect_transform_stmt):
10200         (vect_update_ivs_after_vectorizer):
10201         (vect_do_peeling_for_loop_bound):
10202         (vect_do_peeling_for_alignment):
10203         (vect_transform_loop):
10204         (vect_is_simple_use):
10205         (vect_analyze_operations):
10206         (vect_is_simple_iv_evolution):
10207         (vect_analyze_scalar_cycles):
10208         (vect_analyze_data_ref_dependences):
10209         (vect_compute_data_ref_alignment):
10210         (vect_enhance_data_refs_alignment):
10211         (vect_analyze_data_ref_access):
10212         (vect_analyze_data_ref_accesses):
10213         (vect_analyze_pointer_ref_access):
10214         (vect_get_memtag_and_dr):
10215         (vect_analyze_data_refs):
10216         (vect_mark_relevant):
10217         (vect_stmt_relevant_p):
10218         (vect_mark_stmts_to_be_vectorized):
10219         (vect_can_advance_ivs_p):
10220         (vect_get_loop_niters):
10221         (vect_analyze_loop):
10222         (vectorize_loops): Likewise.
10223
10224         (vectorizable_load): Argument in call to vect_debug_details/stats
10225         changed from loop to LOOP_LOC (loop_vinfo).
10226         (vect_transform_loop):
10227         (vect_analyze_operations):
10228         (vect_analyze_scalar_cycles):
10229         (vect_analyze_data_ref_dependence):
10230         (vect_enhance_data_refs_alignment):
10231         (vect_analyze_data_ref_accesses):
10232         (vect_analyze_pointer_ref_access):
10233         (vect_analyze_data_refs):
10234         (vect_analyze_loop): Likewise.
10235
10236         (vect_analyze_loop_form): Argument in call to vect_debug_details/stats
10237         changed from loop to loop_loc.
10238
10239         (vect_enhance_data_refs_alignment): Removed unused variable loop.
10240
10241 2005-02-03  Leehod Baruch  <leehod@il.ibm.com>
10242             Dorit Naishlos  <dorit@il.ibm.com>
10243
10244         * tree-vectorizer.c (vect_analyze_data_ref_dependence): Function
10245         declaration added.
10246         (vect_analyze_data_ref_dependences): Likewise.
10247
10248         (vect_is_simple_use): Argument changed from loop structure to
10249         loop_vect_info structure.
10250         (vect_can_advance_ivs_p): Likewise.
10251         (vect_create_index_for_vector_ref): Likewise.
10252         (vect_update_ivs_after_vectorizer): Likewise.
10253         (new_stmt_vec_info): Likewise.
10254
10255         (new_loop_vec_info): Second argument in call to new_stmt_vec_info was
10256         changed from loop to loop_vinfo.
10257         (vect_create_data_ref_ptr): First argument in call to
10258         vect_create_index_for_vector_ref was changed from loop to loop_vinfo.
10259         (vectorizable_assignment): Second argument in call to vect_is_simple_use
10260         was changed from loop to loop_vinfo.
10261         (vectorizable_operation): Likewise.
10262         (vectorizable_store): Likewise.
10263         (vect_mark_stmts_to_be_vectorized): Likewise.
10264         (vect_do_peeling_for_loop_bound): First argument in call to
10265         vect_update_ivs_after_vectorizer was changed from loop to loop_vinfo.
10266         (vect_analyze_operations): Argument in call to vect_can_advance_ivs_p
10267         was changed from loop to loop_vinfo.
10268         (vect_analyze_data_ref_dependences): Third argument in call to
10269         vect_analyze_data_ref_dependence was changed from loop to loop_vinfo.
10270
10271         (vect_create_index_for_vector_ref): Get the loop from loop_vinfo.
10272         (vect_create_data_ref_ptr): Likewise.
10273         (vect_init_vector): Likewise.
10274         (vect_get_vec_def_for_operand): Likewise.
10275         (vectorizable_assignment): Likewise.
10276         (vectorizable_operation): Likewise.
10277         (vectorizable_store): Likewise.
10278         (vectorizable_load): Likewise.
10279         (vect_update_ivs_after_vectorizer): Likewise.
10280         (vect_is_simple_use): Likewise.
10281         (vect_analyze_data_ref_dependence): Likewise.
10282         (vect_analyze_pointer_ref_access): Likewise.
10283         (vect_can_advance_ivs_p): Likewise.
10284
10285         * tree-vectorizer.h: (_loop_vec_info): Definition and macros moved
10286         before _stmt_vec_info.
10287         (_stmt_vec_info): Loop field replaced by loop_vec_info.
10288         (STMT_VINFO_LOOP): Replaced with STMT_VINFO_LOOP_VINFO.
10289         (new_stmt_vec_info): Argument changed from loop structure to
10290         loop_vect_info structure
10291
10292         (vect_analyze_data_ref_dependences): Unnecessary line was removed.
10293         (vect_analyze_offset_expr): Avoid 80 columns overflow.
10294         (vect_create_addr_base_for_vector_ref): Likewise.
10295         (vect_analyze_pointer_ref_access): Likewise.
10296
10297 2005-02-03  Andrew Pinski  <pinskia@physics.uc.edu>
10298
10299         PR tree-opt/19768
10300         * tree-ssa-dse.c (fix_phi_uses): Update the occurs in abnormal
10301         phi flag if the phi is abnormal.
10302
10303 2005-02-03  Andrew Pinski  <pinskia@physics.uc.edu>
10304
10305         PR tree-opt/19736
10306         * tree-ssa.c (replace_immediate_uses): Update the immediate_uses
10307         information for the new statement.
10308
10309 2005-02-03  Joseph S. Myers  <joseph@codesourcery.com>
10310
10311         PR driver/19117
10312         * gcc.c (main): Include the target in -v output.
10313
10314 2005-02-03  Alexandre Oliva  <aoliva@redhat.com>
10315
10316         * combine.c (simplify_comparison, case SIGN_EXTEND, ZERO_EXTEND):
10317         Do not drop the extend if we'd have to add a paradoxical subreg
10318         later.  Include optabs.h and insn-codes.h.
10319         * Makefile.in (combine.o): Depend on $(OPTABS_H).
10320
10321 2005-02-02  Roger Sayle  <roger@eyesopen.com>
10322
10323         PR middle-end/19405
10324         * real.h (REAL_MODE_FORMAT_COMPOSITE_P): New macro.
10325         * fold-const.c (const_binop): Avoid constant folding floating
10326         point operations in modes that use composite representations.
10327         * simplify-rtx.c (simplify_binary_operation): Likewise.
10328
10329 2005-02-02  Geoffrey Keating  <geoffk@apple.com>
10330
10331         * config/rs6000/altivec.md (altivec_dst): Make the first operand
10332         a REG, not a MEM.
10333         (altivec_dstt): Likewise.
10334         (altivec_dstst): Likewise.
10335         (altivec_dststt): Likewise.
10336         * config/rs6000/rs6000.c (altivec_expand_dst_builtin): Adjust creation
10337         of first operand.
10338
10339 2005-02-03  Dorit Naishlos  <dorit@il.ibm.com>
10340
10341         * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Copy
10342         EXPR_LOCUS from orig_cond to the new cond_stmt.
10343         (vect_finish_stmt_generation): Copy EXPR_LOCUS from stmt to
10344         the new vec_stmt.
10345
10346 2005-02-03  Dorit Naishlos  <dorit@il.ibm.com>
10347
10348         * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Call
10349         standard_iv_increment_position. Remove call to bsi_next
10350         (no need to bump the iterator anymore).
10351         (vect_create_index_for_vector_ref): Call
10352         standard_iv_increment_position. Remove second function argument.
10353         (vect_finish_stmt_generation): Remove call to bsi_next
10354         (no need to bump the iterator anymore).
10355         (vect_create_data_ref_ptr): Remove second argument (bsi) in call
10356         to vect_create_index_for_vector_ref.
10357
10358 2005-02-03  Dorit Naishlos  <dorit@il.ibm.com>
10359
10360         * tree-vectorizer.c (vect_mark_stmts_to_be_vectorized): Check if
10361         phis are used out of the loop.
10362
10363 2005-02-03  Joseph S. Myers  <joseph@codesourcery.com>
10364
10365         PR c/17807
10366         * c-decl.c (undef_nested_function): New variable.
10367         (pop_scope): Diagnose undefined nested functions.
10368         (finish_function): Don't attempt cgraph processing or genericizing
10369         if current top-level function contained an undefined nested
10370         function.  Reset undef_nested_function at the end of a top-level
10371         function.
10372
10373 2005-02-02  Zdenek Dvorak  <dvorakz@suse.cz>
10374
10375         * tree.c (build_int_cst_type): Take sign of the value into account
10376         when deciding whether sign extend the value.
10377
10378 2005-02-02  Joseph S. Myers  <joseph@codesourcery.com>
10379
10380         PR c/18502
10381         * gcc.c (cpp_unique_options): Remove %{trigraphs}.
10382         (cpp_options, cc1_options): Change %{std*&ansi} to
10383         %{std*&ansi&trigraphs}.
10384
10385 2005-02-02  Kazu Hirata  <kazu@cs.umass.edu>
10386
10387         * cse.c: Update comments.
10388
10389 2005-02-02  Aldy Hernandez  <aldyh@redhat.com>
10390
10391         * config/rs6000/rs6000.c (rs6000_spe_function_arg): Multi-reg
10392         arguments go on the stack.  Do not put complex doubles in odd/even
10393         pairs.
10394
10395 2005-02-02  Steven Bosscher  <stevenb@suse.de>
10396
10397         * doc/invoke.texi: Update the options enabled at -O1, -O2,
10398         and -O3.  Update the documentation for -fgcse-sm, -fgcse-las,
10399         -ftree-pre, and -fthread-jumps.
10400
10401 2005-02-02  Richard Sandiford  <rsandifo@redhat.com>
10402
10403         PR tree-optimization/19578
10404         * tree-flow.h (modified_noreturn_calls): Declare.
10405         (noreturn_call_p): Declare.
10406         * tree-flow-inline.h (noreturn_call_p): New function.
10407         (modify_stmt): Add modified noreturn calls to modified_noreturn_calls.
10408         * tree-cfg.c (modified_noreturn_calls): New variable.
10409         (cleanup_control_flow): Use noreturn_call_p.  Split basic blocks
10410         that contain a mid-block noreturn call.
10411         * tree-ssa.c (delete_tree_ssa): Clear modified_noreturn_calls.
10412
10413 2005-02-02  Kazu Hirata  <kazu@cs.umass.edu>
10414
10415         * df.c (df_def_record_1, df_uses_record): Don't use
10416         DF_FOR_REGALLOC.
10417         * df.h (DF_FOR_REGALLOC): Remove.
10418
10419 2005-02-02  Joseph S. Myers  <joseph@codesourcery.com>
10420
10421         PR c/19435
10422         * c-typeck.c (really_start_incremental_init): Reset
10423         constructor_max_index for arrays of incomplete type.
10424
10425 2005-02-02  Jeff Law  <law@redhat.com>
10426
10427         * gcse.c (struct reg_set): Store the block index where the register
10428         was set rather than the setting insn.
10429         (record_one_set, compute_transp): Corresponding changes.
10430         (pre_insert_copy_insn): Do not call replace_one_set.
10431         (replace_one_set): Remove.
10432
10433 2005-02-02  Joseph S. Myers  <joseph@codesourcery.com>
10434
10435         PR other/15514
10436         * doc/gcov.texi: Fix typo.
10437
10438 2005-02-01  Richard Henderson  <rth@redhat.com
10439
10440         PR target/19680
10441         * config/i386/i386.h (MODES_TIEABLE_P): Use ix86_modes_tieable_p.
10442         * config/i386/i386.c (ix86_hard_regno_mode_ok): Change return
10443         type to bool.
10444         (ix86_tieable_integer_mode_p, ix86_modes_tieable_p): New.
10445         * config/i386/i386-protos.h: Update.
10446
10447 2005-02-01  Steven Bosscher  <stevenb@suse.de>
10448
10449         PR tree-optimization/19217
10450         * tree-cfg.c (verify_expr): Use the data field to see if TP was
10451         seen inside a PHI node.  Do not do the ADDR_EXPR check if it was.
10452         (verify_stmts): Pass (void*)1 as data to verify_expr to signal
10453         that it is walking a PHI node.
10454
10455 2005-02-01  Joseph S. Myers  <joseph@codesourcery.com>
10456
10457         * doc/extend.texi (Nested Functions): Update.
10458
10459 2005-02-01  Richard Henderson  <rth@redhat.com>
10460
10461         PR 19696
10462         * optabs.c (expand_copysign_absneg): Export.
10463         * optabs.h (expand_copysign_absneg): Declare.
10464         * config/rs6000/rs6000.md (copysigntf3): New.
10465
10466 2005-02-01  Diego Novillo  <dnovillo@redhat.com>
10467
10468         PR tree-optimization/19633
10469         * tree-flow.h (struct ptr_info_def): Add field 'pt_null'.
10470         * tree-ssa-alias.c (init_alias_info): Initialize.
10471         (merge_pointed_to_info): Set.
10472         (add_pointed_to_expr): Set pt_null if EXPR is a NULL pointer.
10473         (dump_points_to_info_for): Show value of pt_null.
10474         (struct count_ptr_d): Declare.
10475         (find_ptr_dereference): Remove.
10476         (ptr_is_dereferenced_by): Remove.
10477         (count_ptr_derefs): New local function.
10478         (count_uses_and_derefs): New local function.
10479         (compute_points_to_and_addr_escape): Call it.  If the number
10480         of dereferences is greater than zero, mark the pointer as
10481         dereferenced.  If there are fewer dereferences than uses of
10482         the pointer, the pointer's value escapes.
10483
10484 2005-02-01  Diego Novillo  <dnovillo@redhat.com>
10485
10486         PR tree-optimization/19670
10487         * tree-ssa.c (verify_ssa_name): Don't set TREE_VISITED
10488         here...
10489         (verify_use): ... set it here, instead.
10490
10491 2005-02-01  Janis Johnson  <janis187@us.ibm.com>
10492
10493         * doc/sourcebuild.texi (Test directives): Fix formatting.
10494
10495         * doc/sourcebuild.texi (Test directives): Describe selector
10496         expressions.
10497
10498 2005-02-01  Segher Boessenkool  <segher@kernel.crashing.org>
10499
10500         * config.gcc (powerpc64-*-linux*): Default to -m64 also for
10501         specific 64-bit CPUs.
10502
10503 2005-02-01  Richard Earnshaw  <rearnsha@arm.com>
10504
10505         PR target/16201
10506         * arm.c (arm_eliminable_register): New function.
10507         (adjacent_mem_locations): Don't allow eliminable registers.  Use
10508         HOST_WIDE_INT for address offsets.
10509         * arm-protos.h (arm_eliminable_register): Add prototype.
10510
10511 2005-02-01  Steven Bosscher  <stevenb@suse.de>
10512
10513         PR optimization/15242
10514         * params.def (PARAM_MAX_GOTO_DUPLICATION_INSNS): New param.
10515         * basic-block.h (duplicate_computed_gotos): Add prototype.
10516         * bb-reorder.c (duplicate_computed_gotos): New function to
10517         duplicate sufficiently small blocks ending in a computed jump.
10518         * passes.c (rest_of_compilation): Call duplicate_computed_gotos
10519         if not optimizing for size.
10520         * cfgcleanup.c (try_crossjump_bb): If not optimizing for size,
10521         never do tail merging for blocks ending in a computed jump.
10522         * doc/invoke.texi: Document the max-goto-duplication-insns param.
10523
10524 2005-02-01  Eric Botcazou  <ebotcazou@libertysurf.fr>
10525
10526         Patch from Richard Sandiford <rsandifo@redhat.com>
10527         * reload1.c (choose_reload_regs): Prevent the find_equiv_reg() code
10528         from inheriting a subreg equivalence with a non-spill register.
10529
10530         * tree.h (DECL_FUNCTION_CODE): Document that it is overloaded.
10531
10532 2005-02-01  Alexandre Oliva  <aoliva@redhat.com>
10533
10534         * config/frv/frv.c (movcc_fp_destination_operand): New.
10535         (gpr_or_memory_operand): Fix typo in comment.
10536         (gpr_or_memory_operand_with_scratch): New.
10537         * config/frv/frv.h (PREDICATE_CODES): Add the two new predicates.
10538         * config/frv/frv.md (movcc_fp, movcc_fp_internal): Use
10539         movcc_fp_destination_operand.
10540         (reload_incc_fp): Use gpr_or_memory_operand_with_scratch.
10541         Legitimize memory addresses using a scratch register.
10542
10543 2005-01-31  Jeff Law  <law@redhat.com>
10544
10545         * tree-into-ssa.c (mark_def_sites_global_data): Make KILLS
10546         bitmap a sparse bitmap instead of a simple bitmap.
10547         (mark_def_sites_initialize_block):  Corresponding changes.
10548         (ssa_mark_def_sites_initialize_block): Likewise.
10549         (ssa_mark_phi_uses): Likewise.
10550         (mark_def_site, ssa_mark_def_sites): Likewise.
10551         (mark_def_site_blocks): Likewise.
10552         (rewrite_ssa_into_ssa): Likewise.
10553
10554         * tree-ssa-dom.c (record_cond): Pass correct variable type
10555         for last argument to htab_find_slot_with_hash.
10556
10557         * fold-const.c (fold, case CEIL_MOD_EXPR): Do not lose side
10558         effects when optimizing 0 % X.  Do not try to optimize X % 0.
10559
10560 2005-01-31  James E. Wilson  <wilson@specifixinc.com>
10561
10562         * config/ia64/itanium1.md (1_scall bypass): Change 2_mmalua to
10563         1_mmalua.
10564
10565 2005-02-01  Eric Christopher  <echristo@redhat.com>
10566
10567         * config/mips/mips.c (override_options): Warn if -mint64
10568         is used.
10569         * doc/invoke.texi (MIPS Options): Document that -mint64 is
10570         deprecated.
10571
10572 2005-02-01  Kazu Hirata  <kazu@cs.umass.edu>
10573
10574         * cse.c (cse_reg_info): Remove hash_next, next, regno.  Add
10575         timestamp.
10576         (cse_reg_info_list, cse_reg_info_list_free, REGHASH_SHIFT,
10577         REGHASH_SIZE, REGHASH_MASK, reg_hash, REGHASH_FN,
10578         cached_cse_reg_info, GET_CSE_REG_INFO): Remove.
10579         (cached_regno): Initialize to INVALID_REGNUM.
10580         (cse_reg_info_table_size,
10581         cse_reg_info_table_first_uninitialized,
10582         cse_reg_info_timestamp): New.
10583         (REG_TICK, REG_IN_TABLE, SUBREG_TICKED, REG_QTY): Use
10584         get_cse_reg_info.
10585         (init_cse_reg_info, get_cse_reg_info_1): New.
10586         (get_cse_reg_info): Cache the last look-up.
10587         (new_basic_block): Update the code to clear mappings from
10588         registers to cse_reg_info entries.
10589         (cse_main): Call init_cse_reg_info.
10590
10591         * cse.c (get_cse_reg_info): Update a comment.
10592
10593 2005-01-31  Steven Bosscher  <stevenb@suse.de>
10594
10595         PR c/19333
10596         * c-decl.c (start_decl): Do not warn about arrays of elements with
10597         an incomplete type here.
10598         (grokdeclarator): Do it here by making a pedwarn an error.
10599         * c-typeck.c (push_init_level): If there were previous errors with
10600         the constructor type, do not warn about braces for initializers.
10601         (process_init_element): Likewise for excess initializer elements.
10602
10603 2005-01-31  Kazu Hirata  <kazu@cs.umass.edu>
10604
10605         * cse.c (delete_trivially_dead_insn): Don't iterate.
10606
10607 2005-01-31  Andrew Pinski  <pinskia@physics.uc.edu>
10608
10609         * config/rs6000/rs6000.md (copysignsf3): New expand.
10610         (copysigndf3): Likewise.
10611
10612 2005-01-31  Steven Bosscher  <stevenb@suse.de>
10613
10614         * recog.c (constrain_operands): Only look for earlyclobber operand
10615         conflicts if an '&' constraint was seen.
10616
10617 2005-01-31  Marc Espie <espie@openbsd.org>
10618
10619         * config.gcc: Don't include embedded systems fragment, switches default
10620         debugging format to ELF.
10621         * config/i386/openbsdelf.h: Add DBX_REGISTER_NUMBER since we no
10622         longer pick it up there.
10623
10624 2005-01-31  Dale Johannesen  <dalej@apple.com>
10625
10626         * doc/extend.texi (nested functions): Fix linkage description.
10627         Clarify that static is not allowed.
10628
10629 2005-01-31  Dale Johannesen  <dalej@apple.com>
10630
10631         * config/rs6000/darwin.md (movsf_low_di):  Make work.
10632         (movdf_low_di):  Make work.
10633
10634 2005-01-31  Dale Johannesen  <dalej@apple.com>
10635
10636         * config/rs6000/darwin-tramp.asm (__trampoline_setup):
10637         Make work for 64 bit.
10638
10639 2005-01-31  Roger Sayle  <roger@eyesopen.com>
10640             Dale Johannesen  <dalej@apple.com>
10641
10642         PR middle-end/19650
10643         * fold-const.c (fold_binary_op_with_conditional_arg):
10644         Make types match original operands, before STRIP_NOPS.
10645
10646 2005-01-31  Alan Modra  <amodra@bigpond.net.au>
10647
10648         * config/rs6000/linux-unwind.h (struct gcc_vregs): New.
10649         (struct gcc_regs): Rename from gcc_pt_regs.  Add more regs.
10650         (struct gcc_sigcontext): Delete.  Merge contents to..
10651         (struct gcc_ucontext): ..here.
10652         (get_sigcontext): Delete.
10653         (get_regs): New function, like get_sigcontext but return regs ptr.
10654         64-bit version finds regs from r1 to support vdso.
10655         (ppc_linux_aux_vector): New function.
10656         (ppc_fallback_frame_state): Modify for get_regs.  Restore fprs
10657         and vector regs.
10658
10659 2005-01-31  Ira Rosen  <irar@il.ibm.com>
10660
10661         * tree-vectorizer.c (vect_analyze_offset_expr): Use ssizetype instead
10662         sizetype.
10663         (vect_get_base_and_offset): Use ssizetype instead sizetype. Remove
10664         redundant fold. Fix misalignment for MINUS_EXPR.
10665         (vect_compute_data_ref_alignment): Use ssizetype instead sizetype.
10666         (vect_analyze_pointer_ref_access): Likewise.
10667         (vect_get_memtag_and_dr): Likewise.
10668
10669 2005-01-31  Richard Henderson  <rth@redhat.com>
10670
10671         * config/i386/i386.c (absnegsf2_mixed): Remove all of the # hackery.
10672         (absnegsf2_sse, absnegsf2_i387, absnegdf2_mixed, absnegdf2_sse,
10673         absnegdf2_i387, absnegxf2_i387): Likewise.
10674
10675 2005-01-31  Richard Henderson  <rth@redhat.com>
10676
10677         PR 19696
10678         * optabs.c (expand_copysign_absneg): New.
10679         (expand_copysign_bit): Split out from ...
10680         (expand_copysign): ... here.  Use expand_copysign_absneg.
10681
10682 2005-01-30  Roger Sayle  <roger@eyesopen.com>
10683
10684         PR middle-end/19697
10685         * config/pa/pa.md (anddi3, iordi3): On HPPA64, disallow an integer
10686         constant as the second operand and a register as the third.
10687
10688 2005-01-31  Danny Smith  <dannysmith@users.sourceforge.net>
10689
10690         PR target/19704
10691         * config/i386/i386.c (ix86_function_ok_for_sibcall):  Also check
10692         that dllimport'd functions do not use all call-clobbered registers
10693         to pass parameters.
10694
10695 2005-01-30  Richard Henderson  <rth@redhat.com>
10696
10697         PR 19696
10698         * optabs.c (expand_absneg_bit): Split out from expand_unop and
10699         expand_abs_nojump and generalize.  Use operand_subword and
10700         emit_no_conflict_block.  Support large modes.
10701         (expand_abs_nojump): Use it.  Use HONOR_SIGNED_ZEROS to fall
10702         back to maximum.
10703         (expand_unop): Likewise.  Use HONOR_SIGNED_ZEROS to fall back
10704         negation to subtraction.
10705         (expand_copysign): Check that the format has signed zeros.
10706         Use operand_subword and emit_no_conflict_block.  Support large modes.
10707
10708 2005-01-30  Daniel Berlin  <dberlin@dberlin.org>
10709
10710         Fix PR tree-optimization/19624
10711
10712         * Makefile.in (tree-ssa-pre.o): Add CFGLOOP_H.
10713         * tree-ssa-pre.c: Add cfgloop.h.
10714         Update comment.
10715         (pre_stats): New member, constified.
10716         (inserted_exprs): New static variable.
10717         (NECESSARY): New macro.
10718         (create_expression_by_pieces): Fold the expression, and
10719         mark it as defaulting to not necessary. Also put in
10720         inserted_exprs.
10721         (fully_constant_expression): New function.
10722         (insert_into_preds_of_block): Modify to not insert phis when we
10723         are playing with induction variables.
10724         Push phis onto the inserted_exprs vector, and mark them as not
10725         necessary by default.
10726         (insert_aux): Call fully_constant_expression on eprime.
10727         If all edges produce the same value, mark it constant.
10728         (mark_operand_necessary): New function.
10729         (remove_dead_inserted_code): New function.
10730         (init_pre): Init loop optimizer to get loop info.
10731         (fini_pre): Free loop_optimizer, and inserted_exprs vec.
10732         (execute_pre): Commit edge inserts, then remove dead code.
10733
10734 2005-01-30  Richard Henderson  <rth@redhat.com>
10735
10736         * rtl.c (rtx_equal_p): No early exit for CONST_VECTOR.
10737         * varasm.c (const_rtx_hash_1): Handle CONST_VECTOR.
10738
10739 2005-01-30  Richard Henderson  <rth@redhat.com>
10740
10741         PR target/19700
10742         * config/i386/i386.c (ix86_expand_copysign): New.
10743         (ix86_split_copysign_const): New.
10744         (ix86_split_copysign_var): Rename from ix86_split_copysign,
10745         rearrange op1/nmask operands.
10746         * config/i386/i386-protos.h: Update.
10747         * config/i386/i386.md (copysignsf3): Use ix86_expand_copysign.
10748         (copysigndf3): Likewise.
10749         (copysignsf3_const, copysigndf3_const): New.
10750         (copysignsf3_var): Rename from copysignsf3, split out splitter
10751         and fix split predicate for X constraint.
10752         (copysigndf3_var): Similarly.
10753
10754 2005-01-30  Kazu Hirata  <kazu@cs.umass.edu>
10755
10756         * optabs.c, doc/c-tree.texi, doc/install.texi, doc/md.texi,
10757         doc/passes.texi, doc/rtl.texi, doc/sourcebuild.texi,
10758         doc/tm.texi, doc/tree-ssa.texi: Update copyright.
10759
10760 2005-01-29  Richard Henderson  <rth@redhat.com>
10761
10762         PR target/19690
10763         * config/i386/i386.md (movdf_nointeger, movdf_integer): Fix ordering
10764         of # and * in constraints.
10765
10766 2005-01-29  Richard Henderson  <rth@redhat.com>
10767
10768         PR middle-end/19689
10769         * expr.c (store_field): Don't strip sub-mode cast when the input
10770         data is even smaller.
10771
10772 2005-01-29  Richard Henderson  <rth@redhat.com>
10773
10774         PR middle-end/19687
10775         * expr.c (categorize_ctor_elements_1): Check for CONSTRUCTOR of a
10776         union being empty.
10777
10778 2005-01-29  Richard Henderson  <rth@redhat.com>
10779
10780         * combine.c (make_field_assignment): Fix argument order
10781         to gen_int_mode.
10782
10783 2005-01-29  Richard Guenther <richard.guenther@uni-tuebingen.de>
10784
10785         PR tree-optimization/15791
10786         * fold-const.c (extract_array_ref): New function.
10787         (fold): Fold comparisons between &a[i] and &a[j] or
10788         semantically equivalent trees.
10789
10790 2005-01-29  Jeff Law  <law@redhat.com>
10791
10792         * gcse.c (insert_expr_in_table): Revamp handling of available
10793         and anticipatable occurrence lists to avoid unnecessary list
10794         walking.
10795         (insert_set_in_table): Similarly.
10796
10797 2005-01-29  Joseph S. Myers  <joseph@codesourcery.com>
10798
10799         * c-common.c (fix_string_type): Just use c_build_qualified_type to
10800         build string type.
10801         (c_build_qualified_type): Build qualified array types with
10802         TYPE_MAIN_VARIANT pointing to corresponding unqualified type.
10803         * c-decl.c (c_make_fname_decl): Build unqualified array type
10804         before qualified type.
10805         (grokdeclarator): Use TYPE_MAIN_VARIANT of typedef type if element
10806         type is qualified, not just if type itself is.  Don't apply
10807         qualifiers to array type when declarator is processed.  Apply
10808         qualifiers to field type whether or not it is an array type.
10809         Don't handle array types specially for applying qualifiers to
10810         variables.
10811         * c-typeck.c (composite_type): Build unqualified element type and
10812         array type when forming composite of array types.
10813         (common_pointer_type, comptypes, comp_target_types,
10814         type_lists_compatible_p, build_indirect_ref, build_array_ref,
10815         convert_for_assignment): Don't apply TYPE_MAIN_VARIANT to array
10816         types.
10817         (type_lists_compatible_p): Cache TREE_VALUE (args1) and TREE_VALUE
10818         (args2) in variables a1 and a2.
10819
10820 2005-01-29  Kazu Hirata  <kazu@cs.umass.edu>
10821
10822         * cse.c (n_elements_made, max_elements_made): Remove.
10823         (insert): Don't touch n_elements_made.
10824         (cse_main): Don't touch n_elements_made or max_elements_made.
10825
10826 2005-01-28  Stephane Carrez  <stcarrez@nerim.fr>
10827
10828         PR target/15384
10829         * config/m68hc11/t-m68hc11-gas (dp-bit.c): Fix typo causing a
10830         configuration part of dp-bit.c to be lost.
10831
10832 2005-01-28  Roger Sayle  <roger@eyesopen.com>
10833
10834         * expmed.c (expand_mult_highpart_optab): When attempting to use
10835         a non-widening multiplication in a wider mode, the operands need
10836         to be converted (zero or sign extended) to that mode.
10837
10838 2005-01-28  Ian Lance Taylor  <ian@airs.com>
10839
10840         PR middle-end/16558
10841         PR middle-end/19583
10842         * gimple-low.c (block_may_fallthru): TRY_FINALLY_EXPR only falls
10843         through if both operands fall through.
10844
10845 2005-01-28  Kazu Hirata  <kazu@cs.umass.edu>
10846
10847         * cse.c (fold_rtx) <PC>: Don't optimize.
10848
10849 2005-01-28  Jeff Law  <law@redhat.com>
10850
10851         * fold-const.c (fold, case CEIL_MOD_EXPR): Optimize 0 % X.
10852         (case FLOOR_MOD_EXPR, ROUND_MOD_EXPR, TRUNC_MOD_EXPR): Similarly.
10853
10854 2005-01-28  Kazu Hirata  <kazu@cs.umass.edu>
10855
10856         * cse.c (cse_reg_info_free_list, cse_reg_info_used_list,
10857         cse_reg_info_used_list_end): Remove.
10858         (cse_reg_info_list, cse_reg_info_list_free): New.
10859         (get_cse_reg_info): When allocating an instance of
10860         cse_reg_info, add it to the beginning of the cse_reg_info_list
10861         list.  Remove code to maintain cse_reg_info_used_list.
10862         (new_basic_block): Reset the free list to the beginning of
10863         cse_reg_info_list.
10864
10865 2005-01-28  Richard Sandiford  <rsandifo@redhat.com>
10866
10867         * config/frv/frv.c (bdesc_2arg): Remove __MDPACKH.
10868         (frv_init_builtins): Change its prototype to take 4 uhalf arguments.
10869         (frv_expand_mdpackh_builtin): New function.
10870         (frv_expand_builtin): Use it to expand __MDPACKH.
10871         * doc/extend.texi (__MDPACKH): Update documentation.
10872
10873 2005-01-28  Uros Bizjak  <uros@kss-loka.si>
10874
10875         * config/i386/i386.c (ix86_expand_fp_absneg_operator): Use
10876         SSE_FLOAT_MODE_P for use_sse computation.
10877
10878 2005-01-28  Ralf Corsepius  <ralf.corsepius@rtems.org>
10879
10880         PR target/19663
10881         * config/sparc/rtemself.h (LINK_GCC_C_SEQUENCE_SPEC): undefine.
10882
10883 2005-01-27  Richard Henderson  <rth@redhat.com>
10884
10885         * builtins.c (expand_builtin_copysign): New.
10886         (expand_builtin): Call it.
10887         * genopinit.c (optabs): Add copysign_optab.
10888         * optabs.c (init_optabs): Initialize it.
10889         (expand_copysign): New.
10890         * optabs.h (OTI_copysign, copysign_optab): New.
10891         (expand_copysign): Declare.
10892
10893         * config/alpha/alpha.md (UNSPEC_COPYSIGN): New.
10894         (copysignsf3, ncopysignsf3, copysigndf3, ncopysigndf3): New.
10895
10896         * config/i386/i386.c (ix86_build_signbit_mask): Split from ...
10897         (ix86_expand_fp_absneg_operator): ... here.
10898         (ix86_split_copysign): New.
10899         * config/i386/i386-protos.h: Update.
10900         * config/i386/i386.md (UNSPEC_COPYSIGN): New.
10901         (copysignsf3, copysigndf3): New.
10902
10903         * config/ia64/ia64.md (UNSPEC_COPYSIGN): New.
10904         (copysignsf3, ncopysignsf3): New.
10905         (copysigndf3, ncopysigndf3): New.
10906         (copysignxf3, ncopysignxf3): New.
10907         * config/ia64/ia64.c (rtx_needs_barrier): Handle UNSPEC_COPYSIGN.
10908
10909 2005-01-27  Arend Bayer  <arend.bayer@web.de>
10910             Kazu Hirata  <kazu@cs.umass.edu>
10911
10912         * cse.c: (find_best_addr): Don't call copy_rtx before calling
10913         fold_rtx.  Save cost recomputation if fold_rtx did nothing.
10914         (fold_rtx) <ASM_OPERANDS>: Don't do anything if INSN is
10915         NULL_RTX.
10916
10917 2005-01-27  Jeff Law  <law@redhat.com>
10918
10919         * tree-into-ssa.c (ssa_rewrite_initialize_block): Do not register
10920         definitions of SSA_NAMEs which are not being rewritten.
10921         (rewrite_ssa_into_ssa): Only initialize the current definition
10922         of an SSA_NAME if that SSA_NAME has been marked for rewriting.
10923         If checking is enabled, assert that SSA_NAME_AUX is clear for all
10924         SSA_NAMEs before returning.
10925
10926 2005-01-27  Kazu Hirata  <kazu@cs.umass.edu>
10927
10928         * c-common.def, c-dump.c, c-gimplify.c, c-objc-common.c,
10929         cfgexpand.c, dbxout.c, function.h, opts.c, tree-flow-inline.h,
10930         tree-ssa-operands.h, tree-ssa-threadupdate.c, tree-tailcall.c,
10931         config/avr/avr.md, config/cris/aout.h, config/cris/cris.h,
10932         config/mips/iris6.h, config/sh/sh.c: Update copyright.
10933
10934 2005-01-27  Steven Bosscher  <stevenb@suse.de>
10935
10936         PR middle-end/17278
10937         * opts.c (decode_options): Move flag_thread_jumps from -O1 and
10938         higher to -O2 and higher.  Likewise for tree PRE.
10939         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Only iterate at -O2
10940         and better.
10941
10942 2005-01-27  Ian Lance Taylor  <ian@airs.com>
10943
10944         PR middle-end/19583
10945         * gimple-low.c (try_catch_may_fallthru): New static function.
10946         (block_may_fallthru): Handle TRY_CATCH_EXPR.
10947         * tree-inline.c (expand_call_inline): Don't warn about reaching
10948         the end of a non-void function being inlined if the function uses
10949         a return slot.
10950
10951 2005-01-27  Jakub Jelinek  <jakub@redhat.com>
10952
10953         * config/i386/i386.h (CALL_USED_REGISTERS): Fix comment pastos.
10954
10955         PR c/18946
10956         * c-decl.c (warn_if_shadowing): Handle old_decl error_mark_node.
10957         (pushdecl): Only use DECL_FILE_SCOPE_P if DECL_P.
10958         (implicitly_declare): Handle error_mark_node.
10959
10960 2005-01-27  Richard Henderson  <rth@redhat.com>
10961
10962         PR tree-opt/14329
10963         * tree.h (struct tree_decl): Add debug_expr_is_from.
10964         (DECL_DEBUG_EXPR_IS_FROM): New.
10965         (DECL_DEBUG_EXPR): Rename from DECL_DEBUG_ALIAS_OF.
10966         * dwarf2out.c (dwarf2out_var_location): Update to match.
10967         * tree-outof-ssa.c (create_temp): Likewise.
10968         * var-tracking.c (track_expr_p): Likewise.
10969         * tree-sra.c (instantiate_element): Set DECL_DEBUG_EXPR.
10970         * c-objc-common.c (c_tree_printer) <'D'>: Handle DECL_DEBUG_EXPR.
10971         * toplev.c (default_tree_printer): Likewise.
10972
10973 2005-01-27  Alexandre Oliva  <aoliva@redhat.com>
10974
10975         * config/frv/frv.c (frv_class_likely_spilled_p): Add GR8_REGS,
10976         GR9_REGS, GR89_REGS, FDPIC_FPTR_REGS, FDPIC_REGS.
10977
10978 2005-01-27  Steven Bosscher  <stevenb@suse.de>
10979
10980         * tree.h (SWITCH_COND, SWITCH_BODY, SWITCH_LABELS, CASE_LOW,
10981         CASE_HIGH, CASE_LABEL, ASM_STRING, ASM_OUTPUTS, ASM_INPUTS,
10982         ASM_CLOBBERS): Add tree checks.
10983
10984         * c-common.h (SWITCH_TYPE): Rename to SWITCH_STMT_TYPE.
10985         (SWITCH_STMT_COND, SWITCH_STMT_BODY): New.
10986         * c-common.def (SWITCH_STMT): Update to match.
10987         * c-common.c (c_do_switch_warnings): Use SWITCH_STMT accessor
10988         macros instead of SWITCH_EXPR ones.
10989         * c-dump.c (c_dump_tree): Likewise.
10990         * c-gimplify.c (gimplify_switch_stmt): Likewise.
10991         * c-typeck.c (c_start_case, do_case, c_finish_case): Likewise.
10992
10993         * doc/c-tree.texi (SWITCH_STMT): Update accessor macro names.
10994
10995 2005-01-27  Alan Modra  <amodra@bigpond.net.au>
10996
10997         * unwind-dw2.c (execute_stack_op): Add missing cases for
10998         DW_OP_shl, DW_OP_shr, DW_OP_shra, DW_OP_xor.
10999
11000 2005-01-27  Eric Botcazou  <ebotcazou@libertysurf.fr>
11001
11002         * config.gcc (Obsolete configurations): Remove 'dummy', add
11003         sparclite-*-coff*, sparclite-*-elf*, sparc86x-*-elf* and
11004         sparc-*-openbsd*.
11005
11006 2005-01-26  Diego Novillo  <dnovillo@redhat.com>
11007
11008         PR tree-optimization/19633
11009         * tree-ssa-alias.c (ptr_is_dereferenced_by): Also handle
11010         CALL_EXPRs.
11011         (maybe_create_global_var): Do not create .GLOBAL_VAR if there
11012         are no call-clobbered variables.
11013         * tree-outof-ssa.c (check_replaceable): Return false for calls
11014         with side-effects.
11015
11016 2005-01-26  Ulrich Weigand  <uweigand@de.ibm.com>
11017
11018         * dbxout.c (dbxout_symbol_location): Resolve constant pool references
11019         even for variables with NULL DECL_INITIAL.
11020
11021 2005-01-26  Stuart Hastings  <stuart@apple.com>
11022
11023         * gimplify.c (shortcut_cond_expr): Re-compute side-effects.
11024
11025 2005-01-26  Richard Henderson  <rth@redhat.com>
11026
11027         PR middle-end/18008
11028         * c-decl.c (finish_struct): Set DECL_MODE after resetting a
11029         field's type.
11030         * expr.c (store_field): Strip conversions to odd-bit-sized types
11031         if the destination field width matches.
11032
11033 2005-01-26  Richard Henderson  <rth@redhat.com>
11034
11035         * c-decl.c, expmed.c, expr.c: Revert last change.
11036
11037 2005-01-26  Richard Henderson  <rth@redhat.com>
11038
11039         PR middle-end/18008
11040         * c-decl.c (finish_struct): Set DECL_MODE after resetting a
11041         field's type.
11042         * expmed.c (store_fixed_bit_field): Create a paradoxical subreg
11043         if we don't need the bits above those present in the current mode.
11044         * expr.c (store_field): Strip conversions to odd-bit-sized types
11045         if the destination field width matches.
11046
11047 2005-01-26  Richard Sandiford  <rsandifo@redhat.com>
11048
11049         * config/mips/iris6.h (ENDFILE_SPEC): Don't link in irix-csr.o if
11050         either -ffast-math or -funsafe-math-optimizations is in use.
11051
11052 2005-01-26  Marek Michalkiewicz  <marekm@amelek.gda.pl>
11053
11054         PR target/19293
11055         PR target/19329
11056         * config/avr/avr.c (notice_update_cc): Only set condition code for
11057         ashrqi3 if shift count > 0.
11058         (out_shift_with_cnt): Handle shift count <= 0 as a no-op.
11059         (ashlqi3_out, ashlhi3_out, ashlsi3_out, ashrqi3_out, ashrhi3_out,
11060         ashrsi3_out, lshrqi3_out, lshrhi3_out, lshrsi3_out): Handle shift
11061         count <= 0 as a no-op, and shift count >= width by copying zero
11062         or sign bit to all bits of the result.
11063         * config/avr/avr.md (all shifts): Add alternatives for zero shift
11064         count, with attribute "length" set to 0 and "cc" set to "none".
11065
11066 2005-01-26  Aldy Hernandez  <aldyh@redhat.com>
11067
11068         * doc/invoke.texi: Document -mTLS.
11069
11070         * testsuite/gcc.target/frv/all-tls-global-dynamic.c: New.
11071         * testsuite/gcc.target/frv/all-tls-initial-exec.c: New.
11072         * testsuite/gcc.target/frv/all-tls-initial-exec-pic.c: New.
11073         * testsuite/gcc.target/frv/all-tls-local-dynamic.c: New.
11074         * testsuite/gcc.target/frv/all-tls-local-dynamic-plt.c: New.
11075         * testsuite/gcc.target/frv/all-tls-local-dynamic-plt-pic.c: New.
11076         * testsuite/gcc.target/frv/all-tls-local-exec.c: New.
11077         * testsuite/gcc.target/frv/all-tls-local-exec-TLS.c: New.
11078
11079         * configure.ac: Check for a TLS capable gas.
11080
11081         * configure: Regenerate.
11082
11083 2005-01-26  Richard Henderson  <rth@redhat.com>
11084
11085         PR middle-end/18008
11086         * combine.c (make_field_assignment): Simplify store to zero_extract
11087         from a source with an overlapping mask.
11088
11089 2005-01-26  Aldy Hernandez  <aldyh@redhat.com>
11090
11091         2004-11-11  Eric Christopher  <echristo@redhat.com>
11092
11093         * config/frv/frv.md: Add fr400_integer automaton. Don't
11094         allow TYPE_MUL, TYPE_MACC, or TYPE_CUT to issue in parallel
11095         to TYPE_MACC.
11096
11097 2005-01-26  Steven Bosscher  <stevenb@suse.de>
11098
11099         PR middle-end/16585
11100         * cfgbuild.c (make_edges): Do not clear or set
11101         current_function_has_computed_jump.
11102         * function.h (struct function): Remove the has_computed_jump field.
11103         (current_function_has_computed_jump): Do not define.
11104         * sched-rgn.c (is_cfg_nonregular): Return true if a basic block ends
11105         in a computed jump.  Ignore current_function_has_computed_jump.
11106
11107 2005-01-26  Richard Henderson  <rth@redhat.com>
11108
11109         PR middle-end/19515
11110         * expr.c (categorize_ctor_elements): New argument p_must_clear.
11111         (categorize_ctor_elements_1): Likewise.  Detect a union that isn't
11112         fully initialized.
11113         (mostly_zeros_p): Update for new categorize_ctor_elements argument.
11114         * gimplify.c (gimplify_init_constructor): Likewise.  Only shove
11115         objects into static storage if they have more than one non-zero value.
11116         * tree.h (categorize_ctor_elements): Update decl.
11117
11118 2005-01-26  Steven Bosscher  <stevenb@suse.de>
11119
11120         PR middle-end/19616
11121         * tree.h (CALL_EXPR_TAILCALL): Add comment.
11122         * calls.c (check_sibcall_argument_overlap_1): Revert the change
11123         to this function from 2004-07-10.
11124         * tree-tailcall.c (suitable_for_tail_opt_p): Do not consider the
11125         the current function for tail call optimizations if the address
11126         of one of it its arguments is taken.
11127
11128 2005-01-26  Kazu Hirata  <kazu@cs.umass.edu>
11129
11130         * cse.c (fold_rtx): Call equiv_constant only when necessary.
11131
11132 2005-01-26  Bernd Schmidt  <bernd.schmidt@analog.com>
11133
11134         * function.c (expand_function_end): If current_function_calls_alloca,
11135         emit stack restore in a place that is reached when the function falls
11136         through at the end.
11137
11138 2005-01-26  Alexandre Oliva  <aoliva@redhat.com>
11139
11140         * Makefile.in (../$(build_subdir)/fixincludes/fixincl): Add dummy
11141         rule to avoid matching inappropriate suffix rule.
11142
11143 2005-01-26  Jan Hubicka  <jh@suse.cz>
11144
11145         PR tree-optimization/19241
11146         * tree-inline.c (copy_body_r): Do not walk subtrees after substituting.
11147
11148 2005-01-26  Hans-Peter Nilsson  <hp@axis.com>
11149
11150         * config/cris/cris.h (LIB_SPEC) <sim*>: Use -lsyslinux, not
11151         -lsyssim.  Wrap -lc -lsyssim in --start-group --end-group instead
11152         of doubling.
11153         (STARTFILE_SPEC): Add crti.o, before crtbegin.o.
11154         <sim*>: Always use crt1.o, regardless of N in simN.
11155         <!sim>: Drop support for -pg and -p variants; always use crt0.o.
11156         (ENDFILE_SPEC): Add crtn.o, after crtend.o.
11157         (CRT_CALL_STATIC_FUNCTION): Remove.
11158         * config/cris/aout.h (STARTFILE_SPEC): <!melinux && sim*>: Always
11159         use crt1.o, regardless of N in simN.
11160         <!sim>: Drop support for -pg and -p variants; always use crt0.o.
11161         (LIB_SPEC): Do not define; default to the one in config/cris/cris.h.
11162         (CRIS_CPP_SUBTARGET_SPEC) <melinux && !nostdinc>: Remove special
11163         case isystem setting.
11164         (MAX_OFILE_ALIGNMENT): Correct to 32, not 16.
11165
11166 2005-01-25  Ian Lance Taylor  <ian@airs.com>
11167
11168         * gimple-low.c (block_may_fallthru): Correct handling of
11169         SWITCH_EXPR--may fall through if SWITCH_LABELS is NULL.
11170
11171 2005-01-26  Hans-Peter Nilsson  <hp@axis.com>
11172
11173         * config/cris/cris.h (CPP_SPEC): Adjust the various mtune=
11174         handlers to match indentation; nested under the mtune=* handler.
11175         Similar for mcpu= and march=.
11176
11177 2005-01-25  Daniel Jacobowitz  <dan@codesourcery.com>
11178
11179         * config/mips/linux.h (LIB_SPEC): Remove -rpath-link.
11180         * config/mips/linux64.h (LIB_SPEC): Likewise.
11181         * config/mn10300/linux.h (LIB_SPEC): Likewise.
11182         * config/sh/linux.h (LIB_SPEC): Likewise.
11183
11184 2005-01-25  Aldy Hernandez  <aldyh@redhat.com>
11185
11186         * config/frv/frv.c (frv_legitimize_tls_address): New.
11187         (TARGET_HAVE_TLS): Define.
11188         (FRV_SYMBOL_REF_TLS_P): Define.
11189         (frv_override_options): Handle new register classes.
11190         (frv_legitimate_address_p): Reject tls addresses.
11191         (frv_legitimize_address): Handle TLS addresses.
11192         (gen_inlined_tls_plt): New.
11193         (gen_tlsmoff): New.
11194         (frv_legitimize_tls_address): New.
11195         (unspec_got_name): Add TLS entries.
11196         (got12_operand): Add R_FRV_TLSMOFF12 case.
11197         (frv_emit_move): Fixup TLS addresses.
11198         (frv_emit_movsi): Legitimize TLS addresses.
11199
11200         * config/frv/frv.h (MASK_BIG_TLS): New.
11201         (TARGET_BIG_TLS): New.
11202         (HAVE_AS_TLS): Define.
11203         (TARGET_SWITCHES): Add -mTLS and -mtls options.
11204         (enum reg_class): Add GR8_REGS, GR9_REGS, GR89_REGS.
11205         (REG_CLASS_NAMES): Same.
11206         (REG_CLASS_CONTENTS): Same.
11207         (CONSTRAINT_LEN): New.
11208         (REG_CLASS_FROM_CONSTRAINT): New.
11209         (PREDICATE_CODES): Add symbolic_operand.
11210
11211         * config/frv/frv.md (define_constants): Add UNSPEC_GETTLSOFF,
11212         UNSPEC_TLS_LOAD_GOTTLSOFF12, UNSPEC_TLS_INDIRECT_CALL,
11213         UNSPEC_TLS_TLSDESC_LDD, UNSPEC_TLS_TLSDESC_LDD_AUX,
11214         UNSPEC_TLS_TLSOFF_LD, UNSPEC_TLS_LDDI, UNSPEC_TLSOFF_HILO,
11215         R_FRV_GOTTLSOFF_HI, R_FRV_GOTTLSOFF_LO, R_FRV_TLSMOFFHI,
11216         R_FRV_TLSMOFFLO, R_FRV_TLSMOFF12, R_FRV_TLSDESCHI,
11217         R_FRV_TLSDESCLO, R_FRV_GOTTLSDESCHI, R_FRV_GOTTLSDESCLO, GR8_REG,
11218         GR9_REG, GR14_REG, LRREG.
11219         (type): Add load_or_call attribute.
11220         ("load_or_call"): New reservation.
11221         ("call_gettlsoff"): New.
11222         ("tls_indirect_call"): New.
11223         ("tls_load_gottlsoff12"): New.
11224         ("tlsoff_hilo"): New.
11225         ("tls_tlsdesc_ldd"): New.
11226         ("tls_tlsoff_ld"): New.
11227         ("tls_lddi"): New.
11228
11229         * config/frv/frv-protos.h (symbolic_operand): Protoize.
11230
11231         2005-01-25  Alexandre Oliva  <aoliva@redhat.com>
11232
11233         * config/frv/frv.h (ASM_OUTPUT_DWARF_DTPREL): Define.
11234         * config/frv/frv-protos.h (frv_output_dwarf_dtprel): Declare.
11235         * config/frv/frv.c (TLS_BIAS): Define.
11236         (frv_output_dwarf_dtprel): New.
11237
11238 2005-01-26  Jakub Jelinek  <jakub@redhat.com>
11239
11240         PR rtl-optimization/19579
11241         * ifcvt.c (noce_try_cmove_arith): If emitting instructions to set up
11242         both A and B, see if they don't clobber registers the other expr uses.
11243
11244 2005-01-25  J"orn Rennecke <joern.rennecke@st.com>
11245
11246         * real.c (do_add): Initialize signalling and canonical members.
11247
11248         * real.c (real_from_integer): Zero out destination.
11249
11250 2005-01-18  Jan Hubicka  <jh@suse.cz>
11251
11252         PR tree-optimize/19337
11253         * tree-inline.c (initialize_inlined_parameters): Copy
11254         saved_static_chain_decl only.
11255
11256 2005-01-25  Richard Henderson  <rth@redhat.com>
11257
11258         PR target/19556
11259         PR target/19584
11260         * config/i386/i386.c (x86_inter_unit_moves): Zero.
11261         (ix86_preferred_reload_class): Rewrite fp-constant section, with
11262         80387 enabled, to return a proper subclass.  Return the subset that
11263         overlaps with GENERAL_REGS for PLUS.
11264         * config/i386/i386.md (movsi_1, movdi_2): Set type to "mmx" for pxor.
11265
11266 2005-01-25  Richard Henderson  <rth@redhat.com>
11267
11268         PR middle-end/19609
11269         * tree-complex.c (expand_complex_div_wide): Use the correct formulae.
11270
11271 2005-01-25  Roger Sayle  <roger@eyesopen.com>
11272
11273         * expmed.c (choose_multiplier): Change interface to return the
11274         multiplier lowpart as an rtx instead of an unsigned HOST_WIDE_INT.
11275         (expand_divmod): Update calls to choose_multiplier.
11276
11277 2005-01-24  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
11278
11279         PR middle-end/19330
11280         * expmed.c (extract_bit_field): Use adjust_address instead of
11281         gen_lowpart when op0 is a MEM.
11282
11283 2005-01-24  Steven Bosscher  <stevenb@suse.de>
11284
11285         * cfgexpand.c (expand_gimple_tailcall): Fix typo.
11286
11287 2005-01-24  Richard Sandiford  <rsandifo@redhat.com>
11288
11289         * config/mips/irix-csr.c: New file.
11290         * config/mips/t-iris6 (irix-csr.o): New rule to build it.
11291         (EXTRA_MULTILIB_PARTS): Add irix-csr.o.
11292         * config/mips/iris6.h (ENDFILE_SPEC): Include it in n32 and n64
11293         executables.
11294
11295 2005-01-24  Eric Botcazou  <ebotcazou@libertysurf.fr>
11296
11297         PR bootstrap/19364
11298         * config.gcc (sparc-*-elf*): Remove sol2.h, sparc/sol2.h and
11299         sparc/elf.h, add sparc/sp-elf.h.
11300         (sparc-*-rtems*): Likewise.
11301         (sparclite-*-elf*): Remove sol2.h, sparc/sol2.h, sparc/elf.h and
11302         tm-dwarf2.h, add sparc/sp-elf.h.
11303         (sparc86x-*-elf): Likewise.
11304         (sparc64-*-elf*): Remove sol2.h, sparc/sol2.h and tm-dwarf2.h.
11305         * config/sparc/liteelf.h (TARGET_SUB_OS_CPP_BUILTINS): Rename into
11306         TARGET_OS_CPP_BUILTINS.
11307         * config/sparc/sp86x-elf (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
11308         * config/sparc/rtemself.h (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
11309         Undefine it.
11310         * config/sparc/openbsd64.h (NO_IMPLICIT_EXTERN_C): Undefine.
11311         * config/sparc/sp64-elf.h (NO_IMPLICIT_EXTERN_C): New macro.
11312         (SWITCH_TAKES_ARG): Likewise.
11313         (LOCAL_LABEL_PREFIX): Likewise.
11314         (ASM_GENERATE_INTERNAL_LABEL): Likewise.
11315         (TARGET_N_FORMAT_TYPES): Delete.
11316         (TARGET_FORMAT_TYPES): Likewise.
11317         (ASM_DECLARE_FUNCTION_SIZE): Likewise.
11318         * config/sparc/elf.h: Delete.
11319         * config/sparc/sp-elf.h: New file.
11320
11321 2005-01-24  Kazu Hirata  <kazu@cs.umass.edu>
11322
11323         * tree-flow-inline.h (phi_arg_from_edge): Remove.
11324         * tree-flow.h: Remove the corresponding prototype.
11325         * tree-ssa-operands.h, tree-ssa-threadupdate.c, tree-ssa.c,
11326         tree-vectorizer.c: Use dest_idx instead of phi_arg_from_edge.
11327
11328 2005-01-24  Jakub Jelinek  <jakub@redhat.com>
11329
11330         PR target/17751
11331         * config/rs6000/rs6000.c (rs6000_file_start): Create toc section
11332         for AIX ABI or ELF -fPIC.
11333         (rs6000_emit_load_toc_table): Don't create toc_section here.
11334         (rs6000_xcoff_file_start): Nor here.
11335
11336 2005-01-24  J"orn Rennecke <joern.rennecke@st.com>
11337
11338         * sh.c (ra.h): Don't #include.
11339         (hard_regs_intersect_p): New function, resurrected from ra.c.
11340
11341         * sh.c: Fix 1996 Copyright.
11342
11343 2005-01-24  Richard Henderson  <rth@redhat.com>
11344             Aldy Hernandez  <aldyh@redhat.com>
11345
11346         * regrename.c (note_sets): Handle subregs.
11347
11348 2005-01-24  Joseph S. Myers  <joseph@codesourcery.com>
11349
11350         PR bootstrap/18058
11351         * genconditions.c (write_header, write_conditions): Elide file if
11352         not GCC >= 3.0.1.
11353
11354 2005-01-24  Kazu Hirata  <kazu@cs.umass.edu>
11355
11356         * c-opts.c, expmed.c, gengtype.c, tree-complex.c,
11357         config/arm/iwmmxt.md, config/avr/avr.c, config/s390/s390.h:
11358         Update copyright.
11359
11360 2005-01-24  Jakub Jelinek  <jakub@redhat.com>
11361
11362         * builtins.c (get_pointer_alignment, gimplify_va_arg_expr,
11363         expand_builtin_printf, expand_builtin_fprintf,
11364         expand_builtin_sprintf): Use POINTER_TYPE_P instead TREE_CODE
11365         checking against POINTER_TYPE.
11366         (validate_arglist): Handle POINTER_TYPE code by checking
11367         POINTER_TYPE_P.
11368
11369 2005-01-24  Paolo Bonzini  <bonzini@gnu.org>
11370
11371         * rtlanal.c (non_rtx_starting_operands, for_each_rtx_1,
11372         init_rtlanal): New.
11373         (for_each_rtx): Call for_each_rtx_1.
11374         * rtl.h (init_rtlanal): Declare.
11375         * toplev.c (backend_init): Call init_rtlanal.
11376
11377 2005-01-24  Jakub Jelinek  <jakub@redhat.com>
11378
11379         * flow.c (propagate_one_insn): Formatting.
11380
11381         PR middle-end/19551
11382         * flow.c (libcall_dead_p): Be more conservative if unsure.
11383         If there are any instructions between insn and call, see if they are
11384         all dead before saying the libcall is dead.
11385
11386 2005-01-24  Uros Bizjak  <uros@kss-loka.si>
11387
11388         * config/i386/i386.md (*extendsfdf2_sse): Use "nonimmediate_operand"
11389         operand constraint for operand 0.
11390
11391 2005-01-23  Richard Henderson  <rth@redhat.com>
11392
11393         PR 19486
11394         * tree-complex.c (expand_complex_div_wide): Set EDGE_FALLTHRU on
11395         edges leading to join block.
11396
11397 2005-01-23  Roger Sayle  <roger@eyesopen.com>
11398
11399         * expmed.c (expand_mult_highpart): Make static.  Change type of
11400         constant multiplier argument from unsigned HOST_WIDE_INT to rtx.
11401         (expand_divmod): Updates calls to expand_mult_highpart by using
11402         gen_int_mode to pass a CONST_INT rtx.
11403         * rtl.h (expand_mult_highpart): Remove prototype.
11404
11405 2005-01-23  Kazu Hirata  <kazu@cs.umass.edu>
11406
11407         * flow.c (regset_bytes, regset_size): Remove.
11408
11409         * cfganal.c: Fix a reference to Harvey's paper.
11410
11411 2005-01-23  Steven Bosscher  <stevenb@suse.de>
11412
11413         PR rtl-optimization/19464
11414         * tree-optimize.c (init_tree_optimization_passes): Add one more
11415         copyrename pass just before out-of-ssa.
11416
11417 2005-01-23  Joseph S. Myers  <joseph@codesourcery.com>
11418
11419         PR bootstrap/18058
11420         * recog.c (recog_memoized): Don't define if GENERATOR_FILE.
11421         * ggc-none.c (ggc_free): Define.
11422
11423 2005-01-23  Kazu Hirata  <kazu@cs.umass.edu>
11424
11425         * cse.c (max_reg, max_insn_uid): Remove.
11426         (cse_main): Don't access max_reg or max_insn_uid.
11427
11428         * c-common.c (explicit_flag_signed_bitfields,
11429         lang_statement_code_p, lang_expand_function_end): Remove.
11430         * c-common.h: Remove the corresponding declarations.
11431         * c-opts.c (c_common_handle_option): Remove all write access
11432         to explicit_flag_signed_bitfields.
11433
11434         * cgraph.c (cgraph_varpool_n_nodes): Remove.
11435         (cgraph_varpool_node): Don't access cgraph_varpool_n_nodes.
11436         * cgraph.h: Remove the corresponding declaration.
11437
11438         * gcse.c (null_pointer_info): Remove.
11439
11440 2005-01-23  Roger Sayle  <roger@eyesopen.com>
11441             Eric Botcazou  <ebotcazou@libertysurf.fr>
11442
11443         * combine.c (simplify_logical): Only simplify logical expressions
11444         of the form ior(and(x,y),z) by the inverse distributive law if the
11445         result is cheaper than the original.
11446
11447 2005-01-23  Kazu Hirata  <kazu@cs.umass.edu>
11448
11449         * alias.c, c-common.h, c-incpath.c, c-incpath.h, expr.c,
11450         fold-const.c, gimplify.c, params.h, tree-data-ref.c,
11451         tree-if-conv.c, tree-nested.c, tree-outof-ssa.c,
11452         tree-ssa-dom.c, tree-vectorizer.c, tree.def, config/darwin.c,
11453         config/freebsd-spec.h, config/arm/arm.h,
11454         config/h8300/h8300.md, config/i386/i386.md,
11455         config/i386/predicates.md, config/i386/sse.md,
11456         config/ia64/ia64.c, config/ip2k/ip2k.c, config/s390/s390.c,
11457         config/vax/vax.md: Fix comment typos.  Follow spelling
11458         conventions.
11459
11460 2005-01-23  Steven Bosscher  <stevenb@suse.de>
11461
11462         * gengtype.c (walk_type): Produce `not equal to' compares for loop
11463         tests, instead of `less than'.
11464
11465 2005-01-23  Richard Sandiford  <rsandifo@redhat.com>
11466
11467         * function.c (assign_parm_setup_block): When creating a new stack slot
11468         for a parameter, get its alignment from the parameter's DECL_ALIGN
11469         rather than the type's TYPE_ALIGN.  Make sure that the parameter
11470         is at least word aligned.
11471
11472 2005-01-22  Roger Sayle  <roger@eyesopen.com>
11473
11474         PR middle-end/19378
11475         * config/avr/avr.c (avr_hard_regno_mode_ok): Rewrite.
11476
11477 2005-01-22  Richard Henderson  <rth@redhat.com>
11478
11479         PR target/19506
11480         * config/i386/i386.md (movsfcc_1_sse_max): Use nonimmediate_operand
11481         in both compare operands.
11482         (movdfcc_1_sse_max): Likewise.
11483         (movsfcc_1_sse): Likewise.  Add earlyclobber for scratch.
11484         (movdfcc_1_sse): Likewise.
11485         * config/i386/i386.c (ix86_split_sse_movcc): Emit copies into the
11486         scratch register as needed.
11487
11488 2005-01-22  Richard Henderson  <rth@redhat.com>
11489
11490         * config/i386/i386.md (smaxsf3): Fix mnemonic typo.
11491
11492         * config/i386/i386.c (ix86_prepare_fp_compare_args): Fix is_sse test.
11493
11494 2005-01-22  Richard Henderson  <rth@redhat.com>
11495
11496         * genopinit.c (optabs): Use smin/smax for floating point too.
11497         * doc/md.texi: Update to match.  Clarify that floating point
11498         results are undefined for +0/-0 and NaN.
11499         * doc/rtl.texi: Likewise.
11500         * rtl.def (SMIN, SMAX): Likewise
11501         * tree.def (MIN_EXPR, MAX_EXPR): Likewise.
11502
11503         * config/alpha/alpha.md (smaxdf3, smindf3, smaxsf3, sminsf3): Add
11504         leading 's' to the name.
11505         * config/ia64/ia64.md (smaxsf3, sminsf3, smaxdf3, smindf3,
11506         smaxxf3, sminxf3): Likewise.
11507         * config/rs6000/rs6000.md (smaxdf3, smindf3, smaxsf3, sminsf3):
11508         Likewise.
11509
11510 2005-01-22  Paul Brook  <paul@codesourcery.com>
11511
11512         * config/arm/arm.md: Use "Uy" constraint for wcgr load/stores.
11513
11514 2005-01-21  Mark Dettinger  <dettinge@de.ibm.com>
11515
11516         * config/s390/s390.c (struct processor_costs): New fields
11517         dlgr, dlr, dr, dsgfr, dsgr.
11518         (z900_cost, z990_cost): Values for new fields.
11519         (s390_rtx_costs): New cases MEM und COMPARE in switch
11520         statement. Modified handling of SIGN_EXTEND, ZERO_EXTEND,
11521         DIV, MOD, UDIV, UMOD.
11522
11523 2005-01-21  Ulrich Weigand  <uweigand@de.ibm.com>
11524
11525         * config/s390/s390.md ("doloop_si64"): Reload input value directly
11526         into the register being decremented.
11527         ("doloop_si31", "doloop_di"): Likewise.
11528         ("*doloop_si_long"): Adapt pattern.
11529
11530 2005-01-21  Ulrich Weigand  <uweigand@de.ibm.com>
11531
11532         * config/s390/s390.h (HARD_REGNO_NREGS): Fix computation for
11533         access registers.
11534         (CLASS_MAX_NREGS): Likewise.
11535
11536 2005-01-21  Daniel Berlin  <dberlin@dberlin.org>
11537
11538         * doc/tree-ssa.texi (Statement Operands): Add example for new
11539         must-def macro. Note deprecation of old operands interface.
11540
11541 2005-01-22  Richard Sandiford  <rsandifo@redhat.com>
11542
11543         PR tree-optimization/19484
11544         * tree-cfg.c (remove_fallthru_edge): New function.
11545         (cleanup_control_flow): Remove fallthru edges from calls that are
11546         now known not to return.
11547
11548 2005-01-20  Daniel Berlin  <dberlin@dberlin.org>
11549
11550         Fix PR tree-optimization/19038
11551         * tree-ssa-dom.c (cprop_operand): Don't replace loop invaeriant
11552         copies with loop variant ones.
11553
11554 2005-01-22  Kazu Hirata  <kazu@cs.umass.edu>
11555
11556         * cfganal.c, real.h, reorg.c, timevar.def, tree-ssa-ccp.c,
11557         config/alpha/alpha-protos.h, config/alpha/alpha.h,
11558         config/alpha/alpha.md, config/alpha/predicates.md,
11559         config/sparc/freebsd.h, config/sparc/netbsd-elf.h,
11560         config/sparc/sol2.h: Update copyright.
11561
11562         * tree-cfg.c (remove_forwarder_block_with_phi): Look at the
11563         first label to see if it is a nonlocal label.
11564
11565 2005-01-22  David Edelsohn  <edelsohn@gnu.org>
11566             Andrew Pinski  <pinskia@physics.uc.edu>
11567
11568         PR target/19491
11569         * config/rs6000/rs6000.c (rs6000_va_start): Saturate n_gpr at
11570         maximum number of GPRs.  Saturate n_fpr at maximum number of FPRs.
11571
11572 2005-01-22  Ralf Corsepius  <ralf.corsepius@rtems.org>
11573
11574         * config/rs6000/rtems.h: Update copyright.
11575
11576 2005-01-22  Ralf Corsepius  <ralf.corsepius@rtems.org>
11577
11578         PR target/19548
11579         * config/rs6000/rtems.h: Resurrect cpp_os_rtems_spec from gcc < 3.4.
11580         (CPP_OS_RTEMS_SPEC): New (From gcc-3.3's config/rs6000/sys4.h).
11581         (SUBSUBTARGET_EXTRA_SPECS): Use CPP_OS_RTEMS_SPEC.
11582
11583 2005-01-22  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
11584
11585         PR c/18809
11586         * c-typeck.c (convert_arguments): Check for error_mark_node.
11587
11588 2005-01-21  Ian Lance Taylor  <ian@airs.com>
11589
11590         PR tree-optimization/13000
11591         * tree-inline.c: Include "tree-flow.h".
11592         (expand_call_inline): If warn_return_type, warn if non-void inline
11593         function falls through.
11594         * tree-cfg.c (execute_warn_function_return): Don't warn about
11595         control reaching end if TREE_NO_WARNING is set.  Set
11596         TREE_NO_WARNING.
11597         * gimple-low.c (block_may_fallthru): Don't assume that SWITCH_EXPR
11598         has been lowered.
11599         * gimplify.c (shortcut_cond_expr): Don't emit a jump over the else
11600         branch if we don't need one.
11601         * c-typeck.c: Include "tree-flow.h"
11602         (c_finish_bc_stmt): Don't add a goto if the current statement
11603         list doesn't fall through to the current point.
11604
11605 2005-01-21  Roger Sayle  <roger@eyesopen.com>
11606
11607         PR rtl-optimization/576
11608         * real.c (real_arithmetic): Change return type from void to bool
11609         to return an indication that the result may be inexact.
11610         * real.h (real_arithmeric): Update prototype.
11611         * fold-const.c (const_binop):  Don't constant fold floating
11612         point expressions when the user specifies -frounding-math and
11613         the result may depend upon the run-time rounding mode.
11614         (fold_convert_const_real_from_real): Clean-up.
11615         (fold_initializer): Ignore flag_rounding_math for initializers.
11616         * simplify-rtx.c (simplify_binary_operation): Likewise, don't
11617         constant fold FP operations with flag_rounding_math if the
11618         result may depend upon the run-time rounding mode.
11619
11620 2005-01-21  Tom Tromey  <tromey@redhat.com>
11621
11622         * c-cppbuiltin.c (define__GNUC__): Correct assertion.
11623
11624 2005-01-21  Kazu Hirata  <kazu@cs.umass.edu>
11625
11626         * tree-cfg.c: Fix comment typos.
11627
11628 2005-01-21  J"orn Rennecke <joern.rennecke@st.com>
11629
11630         * passes.c (rest_of_handle_flow2): Close / open the flow2 dump file
11631         around the call to rest_of_handle_branch_target_load_optimize.
11632
11633 2005-01-21  Eric Botcazou  <ebotcazou@libertysurf.fr>
11634
11635         * config.gcc (sparc-*-netbsdelf*): Include dbxelf.h
11636         (sparc64-*-openbsd*): Likewise.
11637         (sparclite-*-elf*): Include tm-dwarf2.h.
11638         (sparc86x-*-elf*): Likewise.
11639         (sparc64-*-elf*): Likewise.
11640         * config/sparc/linux64.h (DWARF2_DEBUGGING_INFO): Delete.
11641         (DBX_DEBUGGING_INFO): Likewise.
11642         * config/sparc/liteelf.h (DWARF2_DEBUGGING_INFO): Likewise.
11643         (PREFERRED_DEBUGGING_TYPE): Likewise.
11644         * config/sparc/netbsd-elf.h (PREFERRED_DEBUGGING_TYPE): Likewise.
11645         * config/sparc/sp64-elf.h (DBX_DEBUGGING_INFO): Likewise.
11646         (PREFERRED_DEBUGGING_TYPE): Likewise.
11647         * config/sparc/sp86x-elf.h (DWARF2_DEBUGGING_INFO): Likewise.
11648         (PREFERRED_DEBUGGING_TYPE): Likewise.
11649         * config/sparc/sparc.h (DBX_DEBUGGING_INFO): Likewise.
11650
11651 2005-01-21  Hans-Peter Nilsson  <hp@bitrange.com>
11652
11653         PR target/18701
11654         * combine.c (combine_simplify_rtx): Revert change of 2004-12-31.
11655
11656 2005-01-20  Paul Brook  <paul@codesourcery.com>
11657
11658         * doc/rtl.texi: Document value extension requirements for CONST_INT.
11659
11660 2005-01-20  Kazu Hirata  <kazu@cs.umass.edu>
11661
11662         * tree-cfg.c (tree_verify_flow_info): Check that a nonlocal
11663         label is first in a sequence of labels.
11664
11665         * tree-cfg.c (tree_verify_flow_info): Fix a typo.
11666
11667 2005-01-20  Janis Johnson  <janis187@us.ibm.com>
11668             Giovanni Bajo  <giovannibajo@gcc.gnu.org>
11669
11670         * doc/sourcebuild.texi (Test Directives): New.
11671
11672 2005-01-20  Roger Sayle  <roger@eyesopen.com>
11673
11674         * real.c (real_floor): Don't leave the result uninitialized when
11675         mode is VOIDMode, but return the unrounded intermediate value.
11676         (real_ceil): Likewise.
11677
11678 2005-01-20  Paul Brook  <paul@codesourcery.com>
11679
11680         * config/arm/arm.md (insv): Use gen_int_mode.
11681
11682 2005-01-20  Eric Botcazou  <ebotcazou@libertysurf.fr>
11683
11684         * config/sparc/freebsd.h (ASM_OUTPUT_INTERNAL_LABELREF): Delete.
11685         * config/sparc/linux.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
11686         * config/sparc/linux64.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
11687         * config/sparc/netbsd-elf.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
11688         * config/sparc/sol2.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
11689
11690 2005-01-20  Daniel Berlin  <dberlin@dberlin.org>
11691
11692         Fix PR debug/19124
11693         * dwarf2out.c (concat_loc_descriptor): We don't know we can use
11694         fbreg, so we have to assume we can't.
11695         (loc_descriptor_from_tree_1): Ditto.
11696         (containing_function_has_frame_base): New function.
11697         (add_location_or_const_value_attribute): Use it.
11698         Also try to generate a frame_base from a single element location
11699         list.
11700
11701 2005-01-20  Kazu Hirata  <kazu@cs.umass.edu>
11702
11703         PR tree-optimization/15349
11704         * timevar.def (TV_TREE_MERGE_PHI): New.
11705         * tree-cfg.c (tree_forwarder_block_p): Add a new argument
11706         PHI_WANTED.
11707         (remove_forwarder_block, cleanup_forwarder_blocks): Adjust the
11708         calls to tree_forwarder_block_p.
11709         (remove_forwarder_block_with_phi, merge_phi_nodes,
11710         gate_merge_phi, pass_merge_phi): New.
11711         * tree-optimize.c (init_tree_optimization_passes): Add
11712         pass_merge_phi.
11713         * tree-pass.h: Add an extern for pass_merge_phi;
11714
11715 2005-01-20  Richard Henderson  <rth@redhat.com>
11716
11717         PR target/19418
11718         * config/i386/emmintrin.h (_mm_castpd_ps, _mm_castpd_si128): New.
11719         (_mm_castps_pd, _mm_castps_si128): New.
11720         (_mm_castsi128_ps, _mm_castsi128_pd): New.
11721
11722 2005-01-20  Richard Henderson  <rth@redhat.com>
11723
11724         PR target/19530
11725         * config/i386/mmintrin.h (_mm_cvtsi32_si64): Use
11726         __builtin_ia32_vec_init_v2si.
11727         (_mm_cvtsi64_si32): Use __builtin_ia32_vec_ext_v2si.
11728         * config/i386/i386.c (IX86_BUILTIN_VEC_EXT_V2SI): New.
11729         (ix86_init_mmx_sse_builtins): Create it.
11730         (ix86_expand_builtin): Expand it.
11731         (ix86_expand_vector_set): Handle V2SFmode and V2SImode.
11732         * config/i386/mmx.md (vec_extractv2sf_0, vec_extractv2sf_1): New.
11733         (vec_extractv2si_0, vec_extractv2si_1): New.
11734
11735 2005-01-20  Richard Henderson  <rth@redhat.com>
11736
11737         PR target/16533
11738         * config/i386/i386.c (ix86_expand_push): New.
11739         * config/i386/mmx.md (push<MMXMODE>1): New.
11740         * config/i386/sse.md (push<SSEMODE>1): New.
11741         * config/i386/i386-protos.h: Update.
11742
11743 2005-01-20  Kazu Hirata  <kazu@cs.umass.edu>
11744
11745         * params.def, params.h, predict.c, tree-ssa-loop-im.c: Update
11746         copyright.
11747
11748 2005-01-20  Richard Henderson  <rth@redhat.com>
11749
11750         * rtl.def (CONST_VECTOR): Use RTX_CONST_OBJ.
11751         * rtl.h (CONSTANT_P): Don't special case CONST_VECTOR.
11752
11753 2005-01-19  Richard Henderson  <rth@redhat.com>
11754
11755         PR target/19350
11756         * config/i386/i386.c (ix86_expand_vector_move_misalign): Convert
11757         to V4SFmode in SSE1 fallback load path.
11758
11759 2005-01-19  Richard Henderson  <rth@redhat.com>
11760
11761         * config/i386/i386.c (ix86_expand_vector_init_one_var): Fix typo
11762         in QImode expansion to ix86_expand_vector_set.
11763         (ix86_expand_vector_init_general): Fix typo in V8HImode recursive call.
11764
11765 2005-01-19  Richard Henderson  <rth@redhat.com>
11766
11767         PR target/19511
11768         * config/i386/i386.c (ix86_preferred_reload_class): Return a proper
11769         subclass of the input class.
11770         (ix86_secondary_memory_needed): Always true for cross-MMX classes.
11771         Always true for cross-SSE1 classes.  Rationalize conditionals.
11772         * config/i386/i386.h (SSE_CLASS_P, MMX_CLASS_P): Use straight equality.
11773         * config/i386/i386.md (movsi_1): Add MMX/SSE zeros.  Fix alternatives
11774         for SSE1.  Don't check TARGET_INTER_UNIT_MOVES.
11775         (movdi_2): Add MMX/SSE zeros.
11776         (movdi_1_rex64): Likewise.  Don't check TARGET_INTER_UNIT_MOVES.
11777         (movsf_1): Don't check TARGET_INTER_UNIT_MOVES.
11778         (zero_extendsidi2_32, zero_extendsidi2_rex64): Likewise.
11779         (movsi_1_nointernunit, movdi_1_rex64_nointerunit): Remove.
11780         (movsf_1_nointerunit, zero_extendsidi2_32_1): Remove.
11781         (zero_extendsidi2_rex64_1): Remove.
11782         (MOV0 peephole): Check GENERAL_REG_P.
11783
11784 2005-01-19  Richard Henderson  <rth@redhat.com>
11785
11786         PR target/19427
11787         * config/i386/i386.c (ix86_expand_vector_set): Fix third and fourth
11788         shufps elements.
11789         (ix86_expand_vector_extract): Likewise.
11790
11791 2005-01-19  Richard Henderson  <rth@redhat.com>
11792
11793         PR middle-end/19304
11794         * expr.c (emit_move_change_mode): New argument force; use
11795         simplify_gen_subreg if true.
11796         (emit_move_via_alt_mode): Merge into ...
11797         (emit_move_via_integer): ... here.
11798         (emit_move_ccmode): Use emit_move_change_mode directly.
11799
11800 2005-01-19  Richard Henderson  <rth@redhat.com>
11801
11802         PR target/19518
11803         * config/alpha/alpha.c (alpha_rtx_costs): Handle HIGH.
11804         (alpha_preferred_reload_class): Handle CONST_VECTOR.
11805         (alpha_emit_set_const_1): Add no_output parameter; don't emit
11806         rtl if true.
11807         (alpha_emit_set_const): Likewise.  Make static.
11808         (alpha_emit_set_long_const): Make static.
11809         (alpha_extract_integer): Split out from alpha_expand_mov.
11810         (alpha_split_const_mov): Likewise.
11811         (alpha_expand_mov): Use them.  Handle CONST_VECTOR.
11812         (alpha_legitimate_constant_p): New.
11813         * config/alpha/alpha-protos.h: Update.
11814         * config/alpha/alpha.h (REGISTER_MOVE_COST): Correct fp<->gp cost.
11815         (LEGITIMATE_CONSTANT_P): Re-implement with a function.
11816         * config/alpha/alpha.md (movsi): Add n alternative.
11817         (movsi_nt_vms, movdi_er_nofix, movdi_er_fix, movdi_fix): Likewise.
11818         (mov<VEC>_fix, mov<VEC>_nofix): Add i alternative.
11819         (splitters for all of the above): Use alpha_split_const_mov.
11820         * config/alpha/predicates.md (non_add_const_operand): New.
11821         (non_zero_const_operand): New.
11822         (input_operand): Use alpha_legitimate_constant_p after reload.
11823
11824 2005-01-19  Zdenek Dvorak  <dvorakz@suse.cz>
11825
11826         PR tree-optimization/19038
11827         * tree-ssa-loop-ivopts.c (allow_ip_end_pos_p): New function.
11828         (add_candidate): Add ivs with increment in latch only if
11829         allow_ip_end_pos_p is true.
11830         (determine_iv_cost): Use empty_block_p.
11831
11832 2005-01-19  Daniel Berlin  <dberlin@dberlin.org>
11833
11834         * cfganal.c (compute_dominance_frontiers_1): Replace with new algorithm
11835         (compute_dominance_frontiers): Ditto.
11836
11837 2005-01-19  Ralf Corsepius  <ralf.corsepius@rtems.org>
11838
11839         PR target/19529
11840         * config/sh/t-rtems: New.
11841         * config.gcc (sh-*-rtems*): Reflect having added config/sh/t-rtems.
11842
11843 2005-01-19  Zdenek Dvorak  <dvorakz@suse.cz>
11844
11845         * tree-ssa-ccp.c (maybe_fold_offset_to_component_ref): Always subtract
11846         the offset of the selected field.
11847
11848 2005-01-19  Kazu Hirata  <kazu@cs.umass.edu>
11849
11850         * tree-cfg.c (remove_forwarder_block): Fix the check to
11851         prevent a nonlocal label from appearing in the middle of a
11852         basic block.
11853
11854 2005-01-19  Hans-Peter Nilsson  <hp@axis.com>
11855
11856         PR rtl-optimization/19462
11857         * reorg.c (find_end_label): Create return insn only if
11858         current_function_epilogue_delay_list is empty.
11859
11860 2005-01-19  Paolo Bonzini  <bonzini@gnu.org>
11861
11862         * doc/passes.texi: Remove paragraph mentioning new-ra.
11863
11864 2005-01-19  Jakub Jelinek  <jakub@redhat.com>
11865
11866         PR rtl-optimization/15139
11867         * combine.c: Include params.h.
11868         (count_rtxs): New function.
11869         (record_value_for_reg): If replace_rtx would replace at least
11870         2 occurrences of REG in VALUE and TEM is really large, replace REG with
11871         (clobber (const_int 0)) instead of TEM.
11872         * params.def (PARAM_MAX_LAST_VALUE_RTL): New.
11873         * params.h (MAX_LAST_VALUE_RTL): New.
11874         * Makefile.in (combine.o): Depend on $(PARAMS_H).
11875         * doc/invoke.texi (--param max-last-value-rtl=N): Document.
11876
11877         PR c/17297
11878         * c-typeck.c (digest_init): Only call build_vector if all constructor
11879         elements are *_CST nodes.
11880         * gimplify.c (gimplify_init_constructor): Likewise.
11881
11882         PR middle-end/19164
11883         * c-typeck.c (digest_init): Only call build_vector if inside_init
11884         is a CONSTRUCTOR.
11885
11886 2005-01-18  Tobias Schl"uter  <tobias.schlueter@physik.uni-muenchen.de>
11887
11888         * toplev.c (init_asm_output): Remove dead #ifdef.
11889
11890 2005-01-18  Kaz Kojima  <kkojima@gcc.gnu.org>
11891
11892         * config/sh/linux.h (TARGET_C99_FUNCTIONS): Define.
11893
11894 2005-01-18  Eric Botcazou  <ebotcazou@libertysurf.fr>
11895
11896         * calls.c (expand_call): Check DECL_BUILT_IN_CLASS before
11897         accessing DECL_FUNCTION_CODE.
11898         * dojump.c (do_jump): Likewise.
11899         * gimplify.c (gimplify_call_expr): Likewise.
11900         * predict.c (expr_expected_value): Likewise.
11901         (strip_builtin_expect): Likewise.
11902         * tree-inline.c (estimate_num_insns_1): Likewise.
11903         * tree-ssa-loop-im.c (stmt_cost): Likewise
11904         * fold-const.c (fold): Test for BUILT_IN_NORMAL.
11905         (tree_expr_nonnegative_p): Likewise.
11906
11907 2005-01-18  Eric Botcazou  <ebotcazou@libertysurf.fr>
11908
11909         * config/sparc/sparc.c (load_pic_register): Emit the appropriate
11910         variant of the load_pcrel_sym pattern.
11911         * config/sparc/sparc.md (P macro): Move to the top.
11912         (load_pcrel_sym): Macroize using P.
11913         (save_register_window): Likewise.
11914
11915 2005-01-18  Aldy Hernandez  <aldyh@redhat.com>
11916
11917         * config/rs6000/rs6000.md ("sunordered"): Disable for e500.
11918         ("sordered"): Same.
11919
11920 2005-01-18  Andrew Pinski  <pinskia@physics.uc.edu>
11921
11922         PR C/19472
11923         * c-typeck.c (build_asm_expr): Strip nops off
11924         input memory operands.
11925
11926 2005-01-18  David Edelsohn  <edelsohn@gnu.org>
11927
11928         * config/rs6000/aix43.h (CPLUSPLUS_CPP_SPEC): Delete
11929         _XOPEN_SOURCE, _XOPEN_SOURCE_EXTENDED, _LARGE_FILE_API.
11930         * config/rs6000/aix51.h (CPLUSPLUS_CPP_SPEC): Same.
11931         * config/rs6000/aix52.h (CPLUSPLUS_CPP_SPEC): Same.
11932
11933 2005-01-18  Joel Sherrill <joel.sherrill@oarcorp.com>
11934
11935         PR target/19379
11936         * config/i386/i386.c (override_options): If the 80387 is disabled,
11937         then do not return FP values using FP registers.
11938
11939 2005-01-18  Kazu Hirata  <kazu@cs.umass.edu>
11940
11941         * basic-block.h, c-common.c, c-cppbuiltin.c, c-lang.c,
11942         c-tree.h, cfgbuild.c, cgraph.c, cgraph.h, collect2.c,
11943         combine.c, config.gcc, coverage.h, cse.c, cselib.c,
11944         defaults.h, df.c, dwarf2asm.c, dwarf2out.c, explow.c, expr.c,
11945         flow.c, fold-const.c, gcse.c, ggc-page.c, gimple-low.c,
11946         gimplify.c, ifcvt.c, langhooks-def.h, lcm.c, optabs.h,
11947         output.h, postreload-gcse.c, postreload.c, recog.c,
11948         resource.c, rtl.def, rtlanal.c, sched-deps.c, sched-rgn.c,
11949         targhooks.h, toplev.c, tree-data-ref.c, tree-eh.c,
11950         tree-flow.h, tree-loop-linear.c, tree-mudflap.h, tree-nrv.c,
11951         tree-optimize.c, tree-outof-ssa.c, tree-pass.h,
11952         tree-scalar-evolution.c, tree-ssa-copy.c, tree-ssa-dce.c,
11953         tree-ssa-dse.c, tree-ssa-loop-ivopts.c, tree-ssa-operands.c,
11954         tree-ssa-pre.c, tree-ssa.c, tree-vectorizer.c, tree.def,
11955         unwind-dw2-fde-darwin.c, var-tracking.c: Update copyright.
11956
11957         * config/darwin.c, config/darwin.h, config/freebsd-spec.h,
11958         config/alpha/alpha.c, config/arm/vfp.md,
11959         config/i386/emmintrin.h, config/i386/i386-modes.def,
11960         config/i386/i386-protos.h, config/i386/i386.h,
11961         config/i386/pmmintrin.h, config/i386/ppro.md,
11962         config/i386/predicates.md, config/i386/xmmintrin.h,
11963         config/i860/i860.c, config/ia64/ia64-modes.def,
11964         config/ia64/ia64-protos.h, config/ia64/ia64.h,
11965         config/ia64/ia64.md, config/ia64/itanium1.md,
11966         config/ia64/itanium2.md, config/ia64/predicates.md,
11967         config/iq2000/iq2000.h, config/mips/linux64.h,
11968         config/rs6000/aix41.h, config/rs6000/aix43.h,
11969         config/rs6000/aix52.h, config/rs6000/darwin-fallback.c,
11970         config/rs6000/rs6000.c, config/rs6000/rs6000.h,
11971         config/rs6000/spe.md, config/sh/sh.md, config/sparc/linux.h,
11972         config/sparc/linux64.h, config/sparc/litecoff.h,
11973         config/sparc/sp64-elf.h, config/sparc/sparc.c,
11974         config/sparc/sparc.h, config/sparc/sparc.md,
11975         config/sparc/sysv4-only.h: Update copyright.
11976
11977 2005-01-18  Richard Henderson  <rth@redhat.com>
11978
11979         PR target/19496
11980         * config/i386/i386.c (ix86_expand_fp_movcc): Fail for LTGT and UNEQ.
11981
11982 2005-01-18  Marc Espie  <espie@openbsd.org>
11983         * config/i386/openbsdelf.h: Typo.
11984
11985 2005-01-18  Richard Henderson  <rth@redhat.com>
11986
11987         * config/i386/i386.c (ix86_expand_fp_movcc): Remove TARGET_IEEE_FP
11988         special case for sse.
11989         * config/i386/predicates.md (sse_comparison_operator): Likewise.
11990
11991 2005-01-18  Dorit Naishlos  <dorit@il.ibm.com>
11992
11993         * tree-inline.c (estimate_num_insns_1): Added cases for
11994         ALIGN_INDIRECT_REF, MISALIGNED_INDIRECT_REF, and REALIGN_LOAD_EXPR.
11995
11996 2005-01-18  Eric Botcazou  <ebotcazou@libertysurf.fr>
11997
11998         PR rtl-optimization/19296
11999         * combine.c (simplify_comparison): Rewrite the condition under
12000         which a non-paradoxical SUBREG of a PLUS can be lifted when
12001         compared against a constant.
12002
12003 2005-01-18  Andi Kleen <ak@muc.de>
12004
12005         * c-typeck.c: (convert_for_assignment): Check warn_pointer_sign.
12006         * c.opt (-Wpointer-sign): Add.
12007         * doc/invoke.texi: (-Wpointer-sign): Add.
12008
12009 2005-01-18  Uros Bizjak  <uros@kss-loka.si>
12010
12011         * config/i386/i386.c (override_options): Revert 2004-11-24 change.
12012         * config/i386/i386.md (fmodsf3, dremsf3, *sinsf2, *cossf2, sincossf3,
12013         *tansf3_1, tansf2, atan2sf3_1, atan2sf3, atansf2, asinsf2, acossf2,
12014         logsf2, log10sf2, log2sf2, log1psf2, logbsf2, ilogbsf2, expsf2,
12015         exp10sf2, exp2sf2, expm1sf2, rintsf2, floorsf2, ceilsf2, btruncsf2,
12016         nearbyintsf2): Disable for TARGET_SSE_MATH.  Leave patterns enabled
12017         for TARGET_MIX_SSE_I387.
12018         (fmoddf3, dremdf3, *sindf2, *sinextendsfdf2, *cosdf2, *cosextendsfdf2,
12019         sincosdf3, *sincosextendsfdf3, *tandf3_1, tandf2, atan2df3_1,
12020         atan2df3, atandf2, asindf2, acosdf2, logdf2, log10df2, log2df2,
12021         log1pdf2, logbdf2, expdf2, exp10df2, exp2df2, expm1df2, rintdf2,
12022         floordf2, ceildf2, btruncdf2, nearbyintdf2): Disable for
12023         (TARGET_SSE2 && TARGET_SSE_MATH).  Leave patterns enabled for
12024         TARGET_MIX_SSE_I387.
12025         (atan2sf3, atan2df3, atan2xf3): Remove register constraints
12026         from expander.
12027
12028 2005-01-18  Uros Bizjak  <uros@kss-loka.si>
12029
12030         PR target/19424
12031         * config/i386/mmx.md (*movv2sf_internal_rex64, *movv2sf_internal):
12032         Add movaps alternative for xmm reg->reg move.
12033
12034 2005-01-17  Jeff Law  <law@redhat.com>
12035
12036         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Clear SSA_NAME_VALUE
12037         at the end of the main DOM loop rather than just before DOM exits.
12038
12039 2005-01-17  Diego Novillo  <dnovillo@redhat.com>
12040
12041         PR tree-optimization/19121
12042         * tree-ssa-alias.c (compute_flow_sensitive_aliasing): When
12043         adding aliases to a name tag, also add them to the pointer's
12044         type tag.
12045         * tree-ssa-copy.c (merge_alias_info): Do not merge flow
12046         sensitive alias info at all.  Only check that the two pointers
12047         have compatible pointed-to sets.
12048         * tree-ssa.c (verify_name_tags): Verify that the alias set of
12049         a pointer's type tag is a superset of the alias set of the
12050         pointer's name tag.
12051
12052 2005-01-17  James E Wilson  <wilson@specifixinc.com>
12053
12054         PR target/19357
12055         * config/ia64/ia64.md (movxf): Handle general register source.  Adjust
12056         comment to document why.
12057
12058 2005-01-17  Richard Henderson  <rth@redhat.com>
12059
12060         * config/i386/sse.md (smaxv4sf3_finite, sse_vmsmaxv4sf3_finite,
12061         sminv4sf3_finite, sse_vmsminv4sf3_finite, smaxv2df3_finite,
12062         sse2_vmsmaxv2df3_finite, sminv2df3_finite,
12063         sse2_vmsminv2df3_finite): New.
12064         (smaxv4sf3, sse_vmsmaxv4sf3, sminv4sf3, sse_vmsminv4sf3, smaxv2df3,
12065         sse2_vmsmaxv2df3, sminv2df3, sse2_vmsminv2df3): Remove commutative.
12066         Force op1 into register.
12067
12068 2005-01-17  Kelley Cook  <kcook@gcc.gnu.org>
12069
12070         * Makefile.in (STAGEMOVESTUFF): Stage all the stamp files to prevent
12071         bubblestrap from always rebuilding build directory.
12072
12073 2005-01-17  Ulrich Weigand  <uweigand@de.ibm.com>
12074
12075         * config/s390/s390.md ("*clc"): Remove incorrect '='.
12076         ("*cmpmem_short"): Likewise.
12077
12078 2005-01-17  Steven Bosscher  <stevenb@suse.de>
12079
12080         * basic-block.h: Document BB_* flags.
12081         * regrename.c (copyprop_hardreg_forward): Don't use BB_VISITED,
12082         use an sbitmap instead.
12083         * sched-rgn.c (compute_trg_info): Likewise.
12084
12085 2005-01-17  Richard Sandiford  <rsandifo@redhat.com>
12086
12087         * config.gcc (mips64*-*-linux*): Set the default abi to n32.  Remove
12088         redundant target_cpu_default and extra_parts lines.  Use the default
12089         "from-abi" ISA.
12090         * config/mips/linux64.h (DRIVER_DEFAULT_ABI_SELF_SPEC): Delete.
12091         (SUBTARGET_EXTRA_SPECS): Delete.
12092         (DRIVER_SELF_SPECS): Remove architecture lines.  Set the ABI directly.
12093         (SUBTARGET_ASM_SPEC): Remove -mabi=n32 and -mabi=64 mappings.
12094         * config/mips/t-linux64 (MULTILIB_DIRNAMES): Use "32" for -mabi=32
12095         and "n32" for -mabi=n32.
12096
12097 2005-01-17  Ian Lance Taylor  <ian@airs.com>
12098
12099         PR c/5675
12100         * c-typeck.c (build_c_cast): Revert patch of 2003-02-16: don't
12101         fold constant variables into initial values.
12102
12103 2005-01-17  Kazu Hirata  <kazu@cs.umass.edu>
12104
12105         * tree-cfg.c (tree_can_merge_blocks_p): Reorder two checks.
12106
12107         * tree-cfg.c (tree_forwarder_block_p): Speed up by walking
12108         through the statements backward.
12109
12110 2005-01-17  Ian Lance Taylor  <ian@airs.com>
12111
12112         PR middle-end/13127:
12113         * tree-inline.c (expand_call_inline): Set TREE_NO_WARNING on
12114         a variable set to the return value of the inlined function.
12115
12116 2005-01-17  Mark Dettinger  <dettinge@de.ibm.com>
12117
12118         * rtlanal.c (rtx_cost): Assign cost of 0 to a SUBREG
12119         when modes are tieable.
12120
12121 2005-01-17  Ranjit Mathew  <rmathew@hotmail.com>
12122
12123         * gthr-posix.h (__gthread_active_p): Use pthread_cancel instead
12124         of pthread_create to find out if threads are enabled.
12125         * gthr-posix95.h (__gthread_active_p): Likewise.
12126
12127 2005-01-17  Paolo Bonzini  <bonzini@gnu.org>
12128
12129         * common.opt (-fnew-ra): Remove.
12130         * ra*.*: Remove.
12131         * toplev.h (flag_new_regalloc): Remove.
12132         * Makefile.in (ra*.*): Don't mention.
12133         * passes.c (rest_of_handle_new_regalloc): Remove.
12134         (rest_of_handle_combine, rest_of_compilation): Always consider
12135         flag_new_regalloc as false.
12136         * doc/invoke.texi: Don't document -fnew-ra.
12137
12138 2005-01-17  Paolo Bonzini <bonzini@gnu.org>
12139
12140         * bb-reorder.c (fix_edges_for_rarely_executed_code): Remove
12141         last parameter to reg_scan.
12142         * loop.c (loop_optimize): Likewise.
12143         * passes.c (rest_of_handle_tracer, rest_of_handle_if_conversion,
12144         rest_of_handle_web, rest_of_handle_cfg, rest_of_handle_jump_bypass,
12145         rest_of_handle_life, rest_of_handle_cse, rest_of_handle_cse2,
12146         rest_of_handle_gcse, rest_of_handle_loop_optimize,
12147         rest_of_handle_loop2, rest_of_handle_jump2): Likewise.
12148         * regclass.c (reg_scan): Likewise, for the declaration.
12149         * rtl.h (reg_scan): Likewise, for the prototype.
12150
12151 2005-01-17  Kazu Hirata  <kazu@cs.umass.edu>
12152
12153         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Don't call
12154         mark_dfs_back_edges.
12155
12156 2005-01-16  Daniel Berlin  <dberlin@dberlin.org>
12157
12158         * tree-ssa-pre.c (add_to_sets): s1 may be NULL.
12159         (compute_avail): Uses don't go in tmp_gen.
12160
12161 2005-01-16  Steven Bosscher  <stevenb@suse.de>
12162
12163         * ggc-page.c (ggc_alloc_stat): Use __builtin_ctzl instead of a
12164         loop to look for a free slot in a page entry.
12165
12166 2005-01-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
12167
12168         PR target/16304
12169         * defaults.h (TARGET_DEFERRED_OUTPUT_DEFS): Provide default.
12170         * toplev.c (compile_file): Call process_pending_assemble_output_defs
12171         just before targetm.asm_out.file_end.
12172         * tree.h (process_pending_assemble_output_defs): Declare.
12173         * varasm.c (assemble_output_def, process_pending_assemble_output_defs):
12174         New functions.
12175         (assemble_alias): Defer generation of assembly code for defines when
12176         TARGET_DEFERRED_OUTPUT_DEFS is true.
12177         * config/rs6000/aix41.h (TARGET_DEFERRED_OUTPUT_DEFS): Define.
12178         * config/rs6000/aix43.h (TARGET_DEFERRED_OUTPUT_DEFS): Define.
12179         * doc/tm.texi (TARGET_DEFERRED_OUTPUT_DEFS): document.
12180
12181 2005-01-15  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
12182
12183         PR target/19336
12184         * pa.c (pa_scalar_mode_supported_p): New function.
12185         (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
12186         * pa.h (MIN_UNITS_PER_WORD): Add comment.
12187
12188         * pa-protos.h (prefetch_operand): Delete.
12189         (prefetch_cc_operand, prefetch_nocc_operand): New declations.
12190         * pa.c (prefetch_operand): Delete.
12191         (prefetch_cc_operand, prefetch_nocc_operand): New functions.
12192         * pa.h (EXTRA_CONSTRAINT): Add `W' constraint.
12193         (PREDICATE_CODES): Delete prefetch_operand.  Add prefetch_cc_operand
12194         and prefetch_nocc_operand.
12195         * pa.md (prefetch): Rework to avoid reload problems handling short
12196         displacements when a cache control completer needs to be provided.
12197         (prefetch_32, prefetch_64): Delete.
12198         (prefetch_cc, prefetch_nocc): New patterns.
12199
12200 2005-01-15  David Edelsohn  <edelsohn@gnu.org>
12201
12202         * config/rs6000/aix52.h (CPLUSPLUS_CPP_SPEC): Revert previous change.
12203
12204 2005-01-15  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
12205
12206         PR ada/19388
12207         * pa.c (pa_asm_output_aligned_common): Warn if specified alignment
12208         exceeds maximum alignment for global common data.
12209         * pa64-hpux.h (MAX_OFILE_ALIGNMENT): Define to 32768.
12210         * som.h (MAX_OFILE_ALIGNMENT): Likewise.
12211
12212 2004-01-15  Roger Sayle  <roger@eyesopen.com>
12213
12214         * tree-ssa-dom.c (extract_range_from_cond): Correct condition.
12215
12216 2004-01-15  Roger Sayle  <roger@eyesopen.com>
12217
12218         * harg-reg-set.h (reg_class_names): Prototype global array.
12219         * regclass.c (reg_class_names): Declare here and initialize to
12220         REG_CLASS_NAMES.
12221         (dump_regclass): Remove local declaration of reg_class_names.
12222         (regclass): Likewise.
12223         * cfg.c (dump_flow_info): Likewise.
12224         * ra-debug.c (reg_class_names): Likewise.
12225         * regrename.c (reg_class_names): Likewise.
12226         * reload.c (reg_class_names): Likewise.
12227         * reload1.c (spill_failure): Likewise.
12228         * config/m68hc11/m68hc11.c (reg_class_names): Likewise.
12229
12230 2005-01-15  Ulrich Weigand  <uweigand@de.ibm.com>
12231
12232         * config/s390/s390.md ("reload_outti"): Remove predicate for
12233         output operand.  Abort if operand is not a MEM.
12234         ("reload_outdi", "reload_outdf"): Likewise.
12235
12236 2005-01-15  Marc Espie  <espie@openbsd.org>
12237
12238         * config.gcc (*-*-openbsd*): Set HAS_LIBC_R for OpenBSD <= 3.2.
12239         (i[34567]86-*-openbsd*): Switch to ELF for OpenBSD >= 3.4.
12240         * config/openbsd.h:  Fix C++ includes for native configurations.
12241         Add proper OS_CPP_BUILTINS.  Fix libspec for recent OpenBSD.
12242         Add trampoline support.
12243         * config/i386/openbsdelf.h: New.
12244
12245 2005-01-15  Marc Espie  <espie@openbsd.org>
12246
12247         * collect2.c (main): Explicitly parse -dynamic-linker option.
12248
12249 2005-01-15  Jakub Jelinek  <jakub@redhat.com>
12250
12251         PR tree-optimization/19060
12252         * tree-ssa-dom.c (extract_range_from_cond) <case LT_EXPR, GT_EXPR>:
12253         Return 0 if op1 <= TYPE_MIN_VALUE () resp. op1 >= TYPE_MAX_VALUE ().
12254         (simplify_cond_and_lookup_avail_expr): Add assert for dummy == 0
12255         and handle extract_range_from_cond returning false.
12256         * fold-const.c (fold): Optimize comparisons with min/max even for
12257         width > HOST_BITS_PER_WIDE_INT.
12258
12259 2005-01-15  Ralf Corsepius  <ralf.corsepius@rtems.org>
12260
12261         * config/mips/rtems.h (MIPS_DEFAULT_GVALUE): Set to 0.
12262         * config/mips/t-rtems (MULTILIBS_DIRNAMES,MULTILIB_OPTIONS):
12263         Remove little endian multilib variants.
12264         Add mips32 multilib variant.
12265
12266 2005-01-15  Kazu Hirata  <kazu@cs.umass.edu>
12267
12268         * explow.c (copy_all_reg, stabilize): Remove.
12269         * expr.h: Remove the corresponding prototypes.
12270
12271         * rtlanal.c (regs_set_between_p): Remove.
12272         * rtl.h: Remove the corresponding prototype.
12273
12274 2005-01-14  David Edelsohn  <edelsohn@gnu.org>
12275
12276         * config/rs6000/rs6000.c (rs6k_nonimmediate_operand): Rename
12277         to rs6000_nonimmediate_operand.
12278         * config/rs6000/rs6000.h (PREDICATE_CODES): Rename
12279         rs6k_nonimmediate_operand to rs6000_nonimmediate_operand.
12280         * config/rs6000/rs6000.md (movsi_internal1): Rename predicate to
12281         rs6000_nonimmediate_operand.
12282         * config/rs6000/spe.md (movdf_e500_double): Rename predicate to
12283         rs6000_nonimmediate_operand.
12284
12285 2005-01-14  Andrew Pinski  <pinskia@physics.uc.edu>
12286
12287         * tree-ssa-alias.c (pass_may_alias): Add TODO_verify_stmts.
12288
12289 2005-01-14  Aldy Hernandez  <aldyh@redhat.com>
12290
12291         * config/rs6000/rs6000.h (CLASS_MAX_NREGS): DF goes in 1 register
12292         on e500v2.
12293         (CANNOT_CHANGE_MODE_CLASS): Restrict DI mode changes on e500v2.
12294         (PREDICATE_CODES): Add rs6k_nonimmediate_operand.
12295
12296         * config/rs6000/rs6000.c (invalid_e500_subreg): New.
12297         (rs6k_nonimmediate_operand): New.
12298         (rs6000_legitimate_offset_address_p): Handle DI modes on e500v2
12299         correctly.
12300         (legitimate_lo_sum_address_p): Same.
12301         (rs6000_legitimize_address): Same.
12302         (rs6000_legitimize_reload_address): Same.
12303         (rs6000_legitimate_address): Same.
12304         (spe_build_register_parallel): Pass DF and DC modes in a DI
12305         register.
12306
12307         * config/rs6000/rs6000.md ("*movsi_internal1"): Change predicate
12308         to rs6k_nonimmediate_operand.
12309
12310         * config/rs6000/spe.md ("*frob_df_di"): New.
12311         ("*frob_di_df"): New.
12312         ("*frob_di_df_2"): New.
12313         ("*mov_sidf_e500_subreg0"): New.
12314         ("*mov_sidf_e500_subreg4"): New.
12315         ("*movdf_e500_double"): Change predicate to
12316         rs6k_nonimmediate_operand.
12317
12318 2005-01-14  Aldy Hernandez  <aldyh@redhat.com>
12319
12320         * postreload.c (move2add_note_store): Only call
12321         trunc_int_for_mode on scalar integers.
12322
12323 2005-01-14  Steven Bosscher  <stevenb@suse.de>
12324
12325         * tree-ssa-dce.c (visited_control_parents): New sbitmap to
12326         replace BB_VISITED uses.
12327         (find_obviously_necessary_stmts): Don't clear BB_VISITED.
12328         (propagate_necessity): Check the bitmap instead of BB_VISITED.
12329         (tree_dce_done): Free visited_control_parents.
12330         (perform_tree_ssa_dce): Allocate and clear it.
12331         * tree-ssa-pre.c (compute_antic_aux): Make non-recursive.
12332         (compute_antic): Iterate from here using a DFS.  Use an sbitmap
12333         instead of BB_VISITED.
12334
12335 2005-01-14  Kazu Hirata  <kazu@cs.umass.edu>
12336
12337         * c-tree.h, coverage.h, langhooks-def.h, optabs.h, output.h,
12338         rtl.h, targhooks.h, tree-flow.h, tree-mudflap.h, tree.h:
12339         Remove unused prototypes.
12340
12341 2005-01-14  Aldy Hernandez  <aldyh@redhat.com>
12342
12343         * config/rs6000/rs6000.c (rs6000_stack_info): Fix caching of SPE
12344         64-bit register usage.
12345         (spe_func_has_64bit_regs_p): Add FIXME note.
12346
12347 2005-01-14  Aldy Hernandez  <aldyh@redhat.com>
12348
12349         * config/rs6000/rs6000.c (rs6000_generate_compare): Replace
12350         flag_finite_math_only with flag_unsafe_math_optimizations.
12351
12352 2005-01-14  J. D. Johnston  <jjohnst@us.ibm.com>
12353
12354         * config/s390/tpf-unwind.h (s390_fallback_frame_state): Correct
12355         end-of-stack check.
12356         (__tpf_eh_return): Copy TPF private stack area from the module
12357         boundary stack frame.  Add check for when module addresses are
12358         equal, but no stub address is found.
12359
12360 2005-01-14  Richard Earnshaw  <rearnsha@arm.com>
12361
12362         PR target/7525
12363         * arm.h (struct machine_function): Add call_via field.
12364         (thumb_call_via_label): Declare.
12365         * arm.c (thumb_call_via_label): New variable.
12366         (thumb_call_reg_needed): New variable.
12367         (arm_output_function_epilogue): For Thumb code, output any per-function
12368         call-indirect trampolines.
12369         (thumb_call_via_reg): New function.
12370         (arm_file_end): New function.
12371         (TARGET_ASM_FILE_END): Call arm_file_end.
12372         (aof_file_end): Likewise.
12373         * arm-protos.h (thumb_call_via_reg): Declare.
12374         * arm.md (call_reg_thumb, call_value_reg_thumb): Call
12375         thumb_call_via_reg in normal case.
12376
12377 2005-01-14  Jakub Jelinek  <jakub@redhat.com>
12378
12379         PR middle-end/19084
12380         PR rtl-optimization/19348
12381         * recog.c (peephole2_optimize): Do global life update if some peephole
12382         decides it doesn't need at least one of its inputs and that change
12383         influences liveness at the start of the basic block.
12384
12385         * basic-block.h (EXECUTE_IF_AND_COMPL_IN_REG_SET): Needs 2 REGSET
12386         arguments instead of 1.
12387
12388 2005-01-14  Eric Botcazou  <ebotcazou@libertysurf.fr>
12389
12390         PR middle-end/18820
12391         * varasm.c (initializer_constant_valid_p) <ADDR_EXPR>: Return
12392         zero for nested functions needing a static chain or functions
12393         with a non-constant address.
12394
12395 2005-01-13  Roger Sayle  <roger@eyesopen.com>
12396
12397         * simplify-rtx.c (simplify_binary_operation) <AND>: Optimize
12398         (and (sign_extend X) C) into (zero_extend (and X C)).
12399
12400 2005-01-13  David O'Brien  <obrien@FreeBSD.org>
12401
12402         * config/freebsd-spec.h:  Make KSE pthread lib logic the default.
12403
12404 2005-01-13  Richard Henderson  <rth@redhat.com>
12405
12406         PR target/19009
12407         PR target/19250
12408         PR target/19252
12409         * config/i386/i386.md (cmpdf, cmpsf, bunordered, bordered, buneq,
12410         bunge, bungt, bunle, bunlt, bltgt): Enable for TARGET_SSE_MATH,
12411         not just TARGET_SSE.
12412         (cmpfp_i_387): Rename from cmpfp_i.  Move after sse patterns.
12413         (cmpfp_i_mixed): Rename from cmpfp_i_sse; use for TARGET_MIX_SSE_I387.
12414         (cmpfp_i_sse): Rename from cmpfp_i_sse_only; use for TARGET_SSE_MATH.
12415         (cmpfp_iu_mixed, cmpfp_iu_sse, cmpfp_iu_387): Similarly.
12416         (fp_jcc_1_mixed, fp_jcc_1_sse, fp_jcc_1_387): Similarly.
12417         (fp_jcc_2_mixed, fp_jcc_2_sse, fp_jcc_2_387): Similarly.
12418         (fp_jcc_3_387, fp_jcc_4_387, fp_jcc_5_387, fp_jcc_6_387,
12419         fp_jcc_7_387, fp_jcc_8_387): Rename from fp_jcc_N.
12420         (movdicc_c_rex64): Rename with '*'.
12421         (movsfcc, movdfcc): Add checks for 387 and sse math to condition.
12422         (movsfcc_1_sse_min, movsfcc_1_sse_max, movsfcc_1_sse): New.
12423         (movsfcc_1_387): Rename from movsfcc_1.
12424         (movdfcc_1_sse_min, movdfcc_1_sse_max, movdfcc_1_sse): New.
12425         (movdfcc_1, movdfcc_1_rex64): Add check for 387.
12426         (sminsf3, smaxsf3, smindf3, smaxdf3): New.
12427         (minsf3, minsf, minsf_nonieee, minsf_sse, mindf3, mindf,
12428         mindf_nonieee, mindf_sse, maxsf3, maxsf, maxsf_nonieee, maxsf_sse,
12429         maxdf3, maxdf, maxdf_nonieee, maxdf_sse, sse_movsfcc, sse_movsfcc_eq,
12430         sse_movdfcc, sse_movdfcc_eq, sse_movsfcc_const0_1,
12431         sse_movsfcc_const0_2, sse_movsfcc_const0_3, sse_movsfcc_const0_4,
12432         sse_movdfcc_const0_1, sse_movdfcc_const0_2, sse_movdfcc_const0_3,
12433         sse_movdfcc_const0_4): Remove.
12434         * config/i386/i386.c (ix86_expand_fp_movcc): For TARGET_SSE_MATH,
12435         recognize min/max early.  Update for changed sse cmove patterns.
12436         (ix86_split_sse_movcc): New.
12437         * config/i386/i386-protos.h: Update.
12438
12439 2005-01-13  Steven Bosscher  <stevenb@suse.de>
12440
12441         * tree-ssa-dse.c (fix_phi_uses): Use SSA operand iterators.
12442         (fix_stmt_v_may_defs): Likewise.
12443
12444 2005-01-13  Richard Henderson  <rth@redhat.com>
12445
12446         * config/i386/i386.c (ix86_expand_fp_absneg_operator): Use elt_mode
12447         for converting the mask.
12448
12449 2005-01-13  David Edelsohn  <edelsohn@gnu.org>
12450
12451         * config/rs6000/aix52.h (CPLUSPLUS_CPP_SPEC): Change _XOPEN_SOURCE
12452         definition to 600.
12453
12454 2005-01-13  Richard Henderson  <rth@redhat.com>
12455
12456         * config/i386/i386.c (IX86_BUILTIN_MOVQ, IX86_BUILTIN_LOADD,
12457         IX86_BUILTIN_STORED, IX86_BUILTIN_MOVQ2DQ,
12458         IX86_BUILTIN_MOVDQ2Q): Remove.
12459         (IX86_BUILTIN_VEC_EXT_V4SI): New.
12460         (ix86_init_mmx_sse_builtins, ix86_expand_builtin): Update to match.
12461         (ix86_expand_vector_extract): For V4S[FI], extract element 0 after
12462         shuffling.
12463         * config/i386/sse.md (sse_concatv2sf): Accept zero operand 2.
12464         (sse2_pextrw): Fix immediate constraint.
12465         (sse2_loadq, sse2_loadq_rex64): Remove.
12466         * config/i386/emmintrin.h (_mm_cvtsi128_si32, _mm_cvtsi128_si64x):
12467         Use __builtin_ia32_vec_ext_<size>.
12468         (_mm_cvtsi32_si128, _mm_cvtsi64x_si128): Use _mm_set_epi<size>.
12469
12470 2005-01-13  Aldy Hernandez  <aldyh@redhat.com>
12471
12472         * function.c (assign_parm_setup_block): Look inside original
12473         entry_parm when inspecting PARALLEL.
12474
12475 2005-01-13  Ralf Corsepius  <ralf.corsepius@rtems.org>
12476             Joel Sherrill  <joel@oarcorp.com>
12477
12478         PR target/19399
12479         * gthr-rtems.h (__gthread_recursive_mutex_t): New type.
12480         (__GTHREAD_RECURSIVE_MUTEX_INIT_FUNCTION): Define to
12481         rtems_gxx_recursive_mutex_init.
12482         (__gthread_recursive_mutex_lock): New function.
12483         (__gthread_recursive_mutex_trylock): Likewise.
12484         (__gthread_recursive_mutex_unlock): Likewise.
12485
12486 2005-01-13  Ralf Corsepius <ralf.corsepius@rtems.org>
12487
12488         * config/i386/t-rtems-i386: Multilib on -mtune instead of -mcpu.
12489
12490 2005-01-13  Jan Beulich  <jbeulich@novell.com>
12491
12492         * config/ia64/ia64.md (ashlti3, ashlti3_internal): New.
12493         (ashrti3_internal): Indicate output is early clobber. Generate result
12494         into output rather than first input. Use move for low word of output
12495         if shift count is exactly 64.
12496         (lshrti3_internal): Likewise.
12497
12498 2005-01-13  Hans-Peter Nilsson  <hp@bitrange.com>
12499
12500         PR target/18329
12501         PR target/18330
12502         * reload1.c (delete_output_reload): Don't delete an output reload
12503         if the pseudo lives longer than a single basic block.  Adjust and
12504         improve wording of comment.
12505
12506 2005-01-12  Andrew Pinski  <pinskia@physics.uc.edu>
12507
12508         PR target/19334
12509         * config/darwin.c (machopic_select_section): Use TYPE_SIZE_UNIT instead
12510         of TYPE_SIZE where we mean the number of bytes.
12511
12512 2005-01-12  Aldy Hernandez  <aldyh@redhat.com>
12513
12514         * function.c (assign_parm_setup_block): Relax condition on
12515         multi-register optimization.
12516
12517 2005-01-12  Nick Clifton  <nickc@redhat.com>
12518
12519         * config/sh/sh.md (udivsi3_sh2a, divsi3_sh2a): Give these patterns
12520         an "in_delay_slot" attribute of "no" to prevent them being used in
12521         delay slots.  This is forbidden because they might generate
12522         exceptions.
12523
12524 2005-01-12  Alan Modra  <amodra@bigpond.net.au>
12525
12526         PR target/19389
12527         * config/rs6000/rs6000.md (movtf_internal): Replace r->o and m->r
12528         with r->Y and Y->r.
12529
12530 2005-01-12  Nick Clifton  <nickc@redhat.com>
12531
12532         * config/iq2000/iq2000.h (ASM_SPEC): Undefine (to stop -Qy being
12533         passed on to GAS) but do not define, as GAS no longer supports or
12534         needs the -m2000 option.
12535
12536 2005-01-11  Roger Sayle  <roger@eyesopen.com>
12537
12538         * builtins.c (fold_builtin_fabs): Convert argument to the appropriate
12539         type as args of unprototyped builtins aren't automatically promoted.
12540         (fold_builtin_abs): Likewise.
12541
12542 2005-01-11  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
12543
12544         * Makefile.in: Set a `build-warn' variable.
12545
12546 2005-01-11  Zdenek Dvorak  <dvorakz@suse.cz>
12547
12548         PR tree-optimization/17949
12549         * tree-ssa-loop-ivopts.c (may_be_unaligned_p): New function.
12550         (find_interesting_uses_address): Use it.
12551
12552 2005-01-11  Aldy Hernandez  <aldyh@redhat.com>
12553
12554         * regrename.c (kill_value): Handle subreg's that won't simplify.
12555
12556 2005-01-11  Richard Henderson  <rth@redhat.com>
12557
12558         PR target/13366
12559         * config/i386/i386.h (enum ix86_builtins): Move ...
12560         * config/i386/i386.c: ... here.
12561         (IX86_BUILTIN_MOVDDUP, IX86_BUILTIN_MMX_ZERO, IX86_BUILTIN_PEXTRW,
12562         IX86_BUILTIN_PINSRW, IX86_BUILTIN_LOADAPS, IX86_BUILTIN_LOADSS,
12563         IX86_BUILTIN_STORESS, IX86_BUILTIN_SSE_ZERO, IX86_BUILTIN_PEXTRW128,
12564         IX86_BUILTIN_PINSRW128, IX86_BUILTIN_LOADAPD, IX86_BUILTIN_LOADSD,
12565         IX86_BUILTIN_STOREAPD, IX86_BUILTIN_STORESD,  IX86_BUILTIN_STOREHPD,
12566         IX86_BUILTIN_STORELPD, IX86_BUILTIN_SETPD1, IX86_BUILTIN_SETPD,
12567         IX86_BUILTIN_CLRPD, IX86_BUILTIN_LOADPD1, IX86_BUILTIN_LOADRPD,
12568         IX86_BUILTIN_STOREPD1, IX86_BUILTIN_STORERPD, IX86_BUILTIN_LOADDQA,
12569         IX86_BUILTIN_STOREDQA, IX86_BUILTIN_CLRTI,
12570         IX86_BUILTIN_LOADDDUP): Remove.
12571         (IX86_BUILTIN_VEC_INIT_V2SI, IX86_BUILTIN_VEC_INIT_V4HI,
12572         IX86_BUILTIN_VEC_INIT_V8QI, IX86_BUILTIN_VEC_EXT_V2DF,
12573         IX86_BUILTIN_VEC_EXT_V2DI, IX86_BUILTIN_VEC_EXT_V4SF,
12574         IX86_BUILTIN_VEC_EXT_V8HI, IX86_BUILTIN_VEC_EXT_V4HI,
12575         IX86_BUILTIN_VEC_SET_V8HI, IX86_BUILTIN_VEC_SET_V4HI): New.
12576         (ix86_init_builtins): Make static.
12577         (ix86_init_mmx_sse_builtins): Update for changed builtins.
12578         (ix86_expand_binop_builtin): Only use ix86_fixup_binary_operands
12579         if all the modes match.  Otherwise, fake it.
12580         (get_element_number, ix86_expand_vec_init_builtin,
12581         ix86_expand_vec_ext_builtin, ix86_expand_vec_set_builtin): New.
12582         (ix86_expand_builtin): Make static.  Update for changed builtins.
12583         (ix86_expand_vector_move_misalign): Use sse2_loadlpd with zero
12584         operand instead of sse2_loadsd.  Cast sse1 fallback to V4SFmode.
12585         (ix86_expand_vector_init_duplicate): New.
12586         (ix86_expand_vector_init_low_nonzero): New.
12587         (ix86_expand_vector_init_one_var, ix86_expand_vector_init_general):
12588         Split out from ix86_expand_vector_init; handle integer modes.
12589         (ix86_expand_vector_init): Use them.
12590         (ix86_expand_vector_set, ix86_expand_vector_extract): New.
12591         * config/i386/i386-protos.h: Update.
12592         * config/i386/predicates.md (reg_or_0_operand): New.
12593         * config/i386/mmx.md (mov<MMXMODEI>_internal): Add 'r' variants.
12594         (movv2sf_internal): Likewise.  And a splitter to match them all.
12595         (vec_dupv2sf, mmx_concatv2sf, vec_setv2sf, vec_extractv2sf,
12596         vec_initv2sf, vec_dupv4hi, vec_dupv2si, mmx_concatv2si, vec_setv2si,
12597         vec_extractv2si, vec_initv2si, vec_setv4hi, vec_extractv4hi,
12598         vec_initv4hi, vec_setv8qi, vec_extractv8qi, vec_initv8qi): New.
12599         (mmx_pinsrw): Fix operand ordering.
12600         * config/i386/sse.md (movv4sf splitter): Use direct pattern,
12601         rather than sse_loadss expander.
12602         (movv2df splitter): Similarly.
12603         (sse_loadss, sse_loadlss): Remove.
12604         (vec_dupv4sf, sse_concatv2sf, sse_concatv4sf, vec_extractv4sf_0): New.
12605         (vec_setv4sf, vec_setv2df): Use ix86_expand_vector_set.
12606         (vec_extractv4sf, vec_extractv2df): Use ix86_expand_vector_extract.
12607         (sse3_movddup): Rename with '*'.
12608         (sse3_movddup splitter): Use gen_rtx_REG instead of gen_lowpart.
12609         (sse2_loadsd): Remove.
12610         (vec_dupv2df_sse3): Rename from sse3_loadddup.
12611         (vec_dupv2df, vec_concatv2df_sse3, vec_concatv2df): New.
12612         (sse2_pinsrw): Fix argument ordering.
12613         (sse2_loadld, sse2_loadq): Add sse1 alternatives.
12614         (sse2_stored): Remove 'r' destination.
12615         (vec_dupv4si, vec_dupv2di, sse2_concatv2si, sse1_concatv2si,
12616         vec_concatv4si_1, vec_concatv2di, vec_setv2di, vec_extractv2di,
12617         vec_initv2di, vec_setv4si, vec_extractv4si, vec_initv4si,
12618         vec_setv8hi, vec_extractv8hi, vec_initv8hi, vec_setv16qi,
12619         vec_extractv16qi, vec_initv16qi): New.
12620
12621         * config/i386/emmintrin.h (__m128i, __m128d): Use typedef, not define.
12622         (_mm_set_sd, _mm_set1_pd, _mm_setzero_pd, _mm_set_epi64x,
12623         _mm_set_epi32, _mm_set_epi16, _mm_set_epi8, _mm_setzero_si128): Use
12624         constructor form.
12625         (_mm_load_pd, _mm_store_pd): Use plain dereference.
12626         (_mm_load_si128, _mm_store_si128): Likewise.
12627         (_mm_load1_pd): Use _mm_set1_pd.
12628         (_mm_load_sd): Use _mm_set_sd.
12629         (_mm_store_sd, _mm_storeh_pd): Use __builtin_ia32_vec_ext_v2df.
12630         (_mm_store1_pd, _mm_storer_pd): Use _mm_store_pd.
12631         (_mm_set_epi64): Use _mm_set_epi64x.
12632         (_mm_set1_epi64x, _mm_set1_epi64, _mm_set1_epi32, _mm_set_epi16,
12633         _mm_set1_epi8, _mm_setr_epi64, _mm_setr_epi32, _mm_setr_epi16,
12634         _mm_setr_epi8): Use _mm_set_foo form.
12635         (_mm_loadl_epi64, _mm_movpi64_epi64, _mm_move_epi64): Use _mm_set_epi64.
12636         (_mm_storel_epi64, _mm_movepi64_pi64): Use __builtin_ia32_vec_ext_v2di.
12637         (_mm_extract_epi16): Use __builtin_ia32_vec_ext_v8hi.
12638         (_mm_insert_epi16): Use __builtin_ia32_vec_set_v8hi.
12639         * config/i386/mmintrin.h (_mm_setzero_si64): Use plain cast.
12640         (_mm_set_pi32): Use __builtin_ia32_vec_init_v2si.
12641         (_mm_set_pi16): Use __builtin_ia32_vec_init_v4hi.
12642         (_mm_set_pi8): Use __builtin_ia32_vec_init_v8qi.
12643         (_mm_set1_pi16, _mm_set1_pi8): Use _mm_set_piN variant.
12644         * config/i386/pmmintrin.h (_mm_loaddup_pd): Use _mm_load1_pd.
12645         (_mm_movedup_pd): Use _mm_shuffle_pd.
12646         * config/i386/xmmintrin.h (_mm_setzero_ps, _mm_set_ss,
12647         _mm_set1_ps, _mm_set_ps, _mm_setr_ps): Use constructor form.
12648         (_mm_cvtpi16_ps, _mm_cvtpu16_ps, _mm_cvtpi8_ps, _mm_cvtpu8_ps,
12649         _mm_cvtps_pi8, _mm_cvtpi32x2_ps): Avoid __builtin_ia32_mmx_zero;
12650         Use _mm_setzero_ps.
12651         (_mm_load_ss, _mm_load1_ps): Use _mm_set* form.
12652         (_mm_load_ps, _mm_loadr_ps): Use raw dereference.
12653         (_mm_store_ss): Use __builtin_ia32_vec_ext_v4sf.
12654         (_mm_store_ps): Use raw dereference.
12655         (_mm_store1_ps): Use _mm_storeu_ps.
12656         (_mm_storer_ps): Use _mm_store_ps.
12657         (_mm_extract_pi16): Use __builtin_ia32_vec_ext_v4hi.
12658         (_mm_insert_pi16): Use __builtin_ia32_vec_set_v4hi.
12659
12660 2005-01-11  Stan Shebs  <shebs@apple.com>
12661
12662         * config/rs6000/rs6000.c (machopic_output_stub): Issue
12663         ldu instead of lwzu if 64-bit -mdynamic-no-pic.
12664
12665 2005-01-11  Andrew Pinski  <pinskia@physics.uc.edu>
12666
12667         PR target/18761
12668         * config/rs6000/rs6000.c (rs6000_special_round_type_align):
12669         Skip all DECLs except for FIELD_DECLs.
12670
12671 2005-01-11  Andreas Krebbel  <krebbel1@de.ibm.com>
12672
12673         * config/s390/s390.c (override_options): Return error if
12674         -mbackchain, -mpacked-stack and -mhard-float are used together.
12675         (s390_va_start): Remove the backchain && packed-stack special case.
12676         (s390_gimplify_va_arg): Likewise.
12677         * doc/invoke.texi: Remove the ABI incompatibility note.
12678
12679 2005-01-11  Andreas Krebbel  <krebbel1@de.ibm.com>
12680
12681         * config/s390/s390.c (struct s390_frame_layout): Remove
12682         save_backchain_p.
12683         (s390_frame_info, s390_emit_prologue): Replace occurrences of
12684         save_backchain_p with TARGET_BACKCHAIN.
12685
12686 2005-01-11  Alan Modra  <amodra@bigpond.net.au>
12687
12688         PR target/18916
12689         * builtins.c (std_gimplify_va_arg_expr): Adjust alignment of *ap.
12690         * expr.h (struct locate_and_pad_arg_data): Add "boundary".
12691         * function.c (locate_and_pad_parm): Set new field.
12692         (assign_parm_find_stack_rtl): Use it instead of FUNCTION_ARG_BOUNDARY.
12693         Tweak where_pad test to include "none".  Always set mem align for
12694         stack_parm.
12695         (assign_parm_adjust_stack_rtl): Discard stack_parm if alignment
12696         not sufficient for type.
12697         (assign_parm_setup_block): If stack_parm is zero on entry, always
12698         make a new stack local.  Block move old stack parm if necessary
12699         to new aligned stack local.
12700         (assign_parm_setup_stack): Use a block move to handle
12701         potentially misaligned entry_parm.
12702         (assign_parms_unsplit_complex): Specify required alignment when
12703         creating stack local.
12704         * calls.c (compute_argument_addresses): Override alignment of stack
12705         arg calculated from its type with the alignment given by
12706         FUNCTION_ARG_BOUNDARY.
12707         (store_one_arg): Likewise.
12708
12709 2005-01-11  Jan Beulich  <jbeulich@novell.com>
12710
12711         * config/ia64/ia64.md (zero_extendsidi2): Replace zxt4 by addp4.
12712         Change respective itanium_class attribute to ialu.
12713         (shladdp4_internal): New.
12714         * config/ia64/predicates.md (shladd_log2_operand): New.
12715
12716 2005-01-11  Richard Henderson  <rth@redhat.com>
12717
12718         * expr.c (store_constructor): Use rtvec_alloc instead of
12719         alloca+gen_rtvec_v, and an incorrect number passed to alloca.
12720
12721 2005-01-11  Kazu Hirata  <kazu@cs.umass.edu>
12722
12723         * config/alpha/alpha.c, config/i386/mmx.md: Fix comment typos.
12724
12725 2005-01-11  Alan Modra  <amodra@bigpond.net.au>
12726
12727         * varasm.c (default_section_type_flags_1): Don't set SECTION_SMALL.
12728         * config/ia64/ia64.c (TARGET_SECTION_TYPE_FLAGS): Define.
12729         (TARGET_RWRELOC): Define.
12730         (ia64_rwreloc_section_type_flags): Delete.
12731         (ia64_section_type_flags): New function.
12732         * config/ia64/hpux.h (TARGET_SECTION_TYPE_FLAGS): Don't define.
12733         (TARGET_RWRELOC): Define.
12734
12735 2005-01-10  David Mosberger  <davidm@hpl.hp.com>
12736
12737         PR target/18987
12738         * config/ia64/ia64.c (process_set): For alloc insn, only call
12739         process_epilogue is !frame_pointer_needed.
12740
12741 2005-01-10  Roger Sayle  <roger@eyesopen.com>
12742
12743         PR c++/19355
12744         * c-common.c (c_common_truthvalue_conversion): TRUTH_NOT_EXPR is a
12745         unary operator and can't be treated as a binary/comparison operator.
12746
12747 2005-01-10  Richard Henderson  <rth@redhat.com>
12748
12749         * config/i386/i386.c (ix86_function_value): Use type_natural_mode.
12750         (ix86_return_in_memory): Likewise.
12751         (function_arg_advance):  Likewise.  Mirror structure in function_arg
12752         for choosing register to advance.
12753
12754 2005-01-10  Kazu Hirata  <kazu@cs.umass.edu>
12755
12756         * tree-vectorizer.c, tree.def: Fix comment typos.
12757
12758 2005-01-10  Mark Dettinger  <dettinge@de.ibm.com>
12759
12760         * config/s390/s390.c (struct processor_costs): 4 new fields:
12761         ddbr, ddr, debr, der.
12762         (s390_rtx_costs): More precise handling of divide instructions.
12763
12764 2005-01-10  David Edelsohn  <edelsohn@gnu.org>
12765
12766         * config/rs6000/t-aix43 (BOOT_LDFLAGS): Define.
12767
12768 2005-01-10  Jan Beulich  <jbeulich@novell.com>
12769
12770         * config/ia64/ia64.c (ia64_in_small_data_p): Also handle the section
12771         names resulting from -ffunction-sections/-fdata-sections and linkonce
12772         ones.
12773         * varasm.c (default_section_type_flags_1): Also set SECTION_SMALL
12774         based on the section name. Rearrange the section name comparison logic
12775         slightly so that each section name is compared against at most once.
12776
12777 2005-01-10  Ben Elliston  <bje@au.ibm.com>
12778
12779         * doc/invoke.texi (Code Gen Options): Add PowerPC to the list of
12780         targets for which -fPIC reduces limitations on the GOT size.
12781
12782 2005-01-09  Falk Hueffner  <falk@debian.org>
12783
12784         * fold-const.c (fold): Also handle EXACT_DIV_EXPR when folding
12785         X/C1 cmpop C2.
12786
12787 2005-01-09  David Edelsohn  <edelsohn@gnu.org>
12788
12789         PR target/18720
12790         * collect2.c (main): Set aixrtl_flag for -brtl option.
12791         (resolve_lib_name): Search for .so file extension before .a
12792         if aixrtl_flag set.
12793
12794 2005-01-09  Dorit Naishlos  <dorit@il.ibm.com>
12795
12796         * tree-vectorizer.c (vect_enhance_data_refs_alignment): Add dump prints.
12797         (vect_analyze_data_refs_alignment): Add dump prints.
12798
12799 2005-01-09  Ira Rosen  <irar@il.ibm.com>
12800
12801         * tree-vectorizer.c (vect_analyze_offset_expr): Use
12802         expr_invariant_in_loop_p.
12803         Initialize outputs first thing in the function.
12804         (vect_update_ivs_after_vectorizer): Call initial_condition_in_loop_num.
12805         (vect_is_simple_iv_evolution): Call initial_condition_in_loop_num.
12806         (vect_analyze_pointer_ref_access): Check that the initial condition of
12807         the access function is loop invariant.
12808
12809 2005-01-09  Richard Henderson  <rth@redhat.com>
12810
12811         * config/i386/i386.c (bdesc_2arg): Update names for mmx_ prefixes.
12812         (ix86_expand_builtin): Likewise.  Frob MASKMOVQ wrt the input mem
12813         just like MASKMOVDQU.  Return plain zero for MMX_ZERO.
12814         * config/i386/i386.md (MMXMODEI, mov<MMXMODEI>,
12815         mov<MMXMODEI>_internal_rex64, mov<MMXMODEI>_internal, movv2sf,
12816         movv2sf_internal_rex64, movv2sf_internal, MMXMODE,
12817         movmisalign<MMXMODE>, mmx_pmovmskb, mmx_maskmovq, mmx_maskmovq_rex,
12818         sse_movntdi, addv8qi3, addv4hi3, addv2si3, mmx_adddi3, ssaddv8qi3,
12819         ssaddv4hi3, usaddv8qi3, usaddv4hi3, subv8qi3, subv4hi3, subv2si3,
12820         mmx_subdi3, sssubv8qi3, sssubv4hi3, ussubv8qi3, ussubv4hi3,
12821         mulv4hi3, smulv4hi3_highpart, umulv4hi3_highpart, mmx_pmaddwd,
12822         sse2_umulsidi3, mmx_iordi3, mmx_xordi3, mmx_anddi3, mmx_nanddi3,
12823         mmx_uavgv8qi3, mmx_uavgv4hi3, mmx_psadbw, mmx_pinsrw, mmx_pinsrw,
12824         mmx_pextrw, mmx_pshufw, eqv8qi3, eqv4hi3, eqv2si3, gtv8qi3, gtv4hi3,
12825         gtv2si3, umaxv8qi3, smaxv4hi3, uminv8qi3, sminv4hi3, ashrv4hi3,
12826         ashrv2si3, lshrv4hi3, lshrv2si3, mmx_lshrdi3, ashlv4hi3, ashlv2si3,
12827         mmx_ashldi3, mmx_packsswb, mmx_packssdw, mmx_packuswb, mmx_punpckhbw,
12828         mmx_punpckhwd, mmx_punpckhdq, mmx_punpcklbw, mmx_punpcklwd,
12829         mmx_punpckldq, emms, addv2sf3, subv2sf3, subrv2sf3, gtv2sf3, gev2sf3,
12830         eqv2sf3, pfmaxv2sf3, pfminv2sf3, mulv2sf3, femms, pf2id, pf2iw,
12831         pfacc, pfnacc, pfpnacc, pi2fw, floatv2si2, pfrcpv2sf2, pfrcpit1v2sf3,
12832         pfrcpit2v2sf3, pfrsqrtv2sf2, pfrsqit1v2sf3, pmulhrwv4hi3, pswapdv2si2,
12833         pswapdv2sf2): Move to mmx.md; rename as necessary with leading
12834         mmx_ prefix.
12835         (mmx_clrdi, pavgusb): Remove.
12836         (ldmxcsr, stmxcsr, sfence, sfence_insn): Move to sse.md; rename
12837         with leading sse_ prefix.
12838         * config/i386/sse.md: Receive them.
12839         * config/i386/mmx.md: New file.
12840         (MMXMODE12, MMXMODE24, mmxvecsize): New.
12841         (subrv2sf3): Turn into expander for normal subtraction.
12842         (mmx_addv2sf3, mmx_mulv2sf3, mmx_smaxv2sf3, mmx_sminv2sf3,
12843         mmx_eqv2sf3, mmx_mulv4hi3, mmx_smulv4hi3_highpart,
12844         mmx_umulv4hi3_highpart, mmx_pmaddwd, mmx_pmulhrwv4hi3, sse2_umulsidi3,
12845         mmx_umaxv8qi3, mmx_smaxv4hi3, mmx_uminv8qi3, mmx_sminv4hi3): Mark
12846         commutative; use ix86_binary_operator_ok.
12847         (mmx_add<MMXMODEI>3, mmx_ssadd<MMXMODE12>3, mmx_usadd<MMXMODE12>3,
12848         mmx_sub<MMXMODEI>3, mmx_sssub<MMXMODE12>3, mmx_ussub<MMXMODE12>3
12849         mmx_ashr<MMXMODE24>3, mmx_lshr<MMXMODE23>3, mmx_ashl<MMXMODE24>3
12850         mmx_eq<MMXMODEI>3, mmx_gt<MMXMODEI>3, mmx_and<MMXMODEI>3,
12851         mmx_nand<MMXMODEI>3, mmx_ior<MMXMODEI>3, mmx_xor<MMXMODEI>3):
12852         Macroize from existing patterns; use ix86_binary_operator_ok.
12853         (mmx_packsswb, mmx_packssdw, mmx_packuswb): Add memory alternative.
12854         (mmx_punpckhbw, mmx_punpcklbw, mmx_punpckhwd, mmx_punpcklwd,
12855         mmx_punpckhdq, mmx_punpckhdq, mmx_punpckldq): Likewise.  Model
12856         with vec_select+vec_concat.
12857         (mmx_pshufw, mmx_pshufw_1): Likewise.
12858         (mmx_uavgv8qi3): Merge pavgusb.  Model correcty.
12859         (mmx_uavgv4hi3): Model correctly.
12860         * config/i386/mmintrin.h (_mm_and_si64, _mm_andnot_si64, _mm_or_si64,
12861         _mm_xor_si64): Remove casts.
12862
12863 2005-01-09  Zdenek Dvorak  <dvorakz@suse.cz>
12864
12865         PR tree-optimization/19224
12866         * tree-scalar-evolution.c (get_instantiated_value,
12867         set_instantiated_value): New functions.
12868         (instantiate_parameters_1): Cache the results.
12869         (instantiate_parameters, resolve_mixers): Initialize and free
12870         the cache.
12871
12872 2005-01-08  David Edelsohn  <edelsohn@gnu.org>
12873
12874         * config/i386/i386.md (addhi_4): Correct reference in comment.
12875         (addqi_4): Same.
12876
12877 2005-01-08  Richard Henderson  <rth@redhat.com>
12878
12879         * config/i386/emmintrin.h (_mm_cvtsi128_si32): Move earlier.
12880         (_mm_cvtsi128_si64x): Likewise.
12881         (_mm_srl_epi64, _mm_srl_epi32, _mm_srl_epi16, _mm_sra_epi32,
12882         _mm_sra_epi16, _mm_sll_epi64, _mm_sll_epi32, _mm_sll_epi16): Use
12883         the _mm_{srl,sll}i_foo counterpart, and _mm_cvtsi128_si32.
12884         * config/i386/i386-modes.def: Add V16HI, V32QI, V4DF, V8SF.
12885         * config/i386/i386-protos.h: Update.
12886         * config/i386/i386.c (print_operand): Add 'H'.
12887         (ix86_fixup_binary_operands): Split out from ...
12888         (ix86_expand_binary_operator): ... here.
12889         (ix86_fixup_binary_operands_no_copy): New.
12890         (ix86_expand_fp_absneg_operator): Handle vector mode results.
12891         (bdesc_2arg): Update names for sse{,2,3}_ prefixes.
12892         (ix86_init_mmx_sse_builtins): Remove *maskncmp* special cases.
12893         (safe_vector_operand): Use CONST0_RTX.
12894         (ix86_expand_binop_builtin): Use ix86_fixup_binary_operands.
12895         (ix86_expand_builtin): Merge CODE_FOR_sse2_maskmovdqu_rex64 and
12896         CODE_FOR_sse2_maskmovdqu.  Special case SSE version of MASKMOVDQU
12897         expansion.  Update names for sse{,2,3}_ prefixes.  Remove *maskncmp*
12898         special cases.
12899         * config/i386/i386.h (IX86_BUILTIN_CMPNGTSS): New.
12900         (IX86_BUILTIN_CMPNGESS): New.
12901         * config/i386/i386.md (UNSPEC_FIX_NOTRUNC): New.
12902         (attr type): Add sselog1.
12903         (attr unit, attr memory): Handle it.
12904         (movti, movti_internal, movti_rex64): Move near other integer moves.
12905         (movtf, movtf_internal): Move near other fp moves.
12906         (SSEMODE, SSEMODEI, vec_setv2df, vec_extractv2df, vec_initv2df,
12907         vec_setv4sf, vec_extractv4sf, vec_initv4sf, movv4sf, movv4sf_internal,
12908         movv2df, movv2df_internal, mov<SSEMODEI>, mov<SSEMODEI>_internal,
12909         movmisalign<SSEMODE>, sse_movups_1, sse_movmskps, sse_movntv4sf,
12910         sse_movhlps, sse_movlhps, sse_storehps, sse_loadhps, sse_storelps,
12911         sse_loadlps, sse_loadss, sse_loadss_1, sse_movss, sse_storess,
12912         sse_shufps, addv4sf3, vmaddv4sf3, subv4sf3, vmsubv4sf3, negv4sf2,
12913         mulv4sf3, vmmulv4sf3, divv4sf3, vmdivv4sf3, rcpv4sf2, vmrcpv4sf2,
12914         rsqrtv4sf2, vmrsqrtv4sf2, sqrtv4sf2, vmsqrtv4sf2, sse_andv4sf3,
12915         sse_nandv4sf3, sse_iorv4sf3, sse_xorv4sf3, sse2_andv2df3,
12916         sse2_nandv2df3, sse2_iorv2df3, sse2_xorv2df3, sse2_andv2di3,
12917         sse2_nandv2di3, sse2_iorv2di3, sse2_xorv2di3, maskcmpv4sf3,
12918         vmmaskcmpv4sf3, sse_comi, sse_ucomi, sse_unpckhps, sse_unpcklps,
12919         smaxv4sf3, vmsmaxv4sf3, sminv4sf3, vmsminv4sf3, cvtpi2ps, cvtps2pi,
12920         cvttps2pi, cvtsi2ss, cvtsi2ssq, cvtss2si, cvtss2siq, cvttss2si,
12921         cvttss2siq, addv2df3, vmaddv2df3, subv2df3, vmsubv2df3, mulv2df3,
12922         vmmulv2df3, divv2df3, vmdivv2df3, smaxv2df3, vmsmaxv2df3, sminv2df3,
12923         vmsminv2df3, sqrtv2df2, vmsqrtv2df2, maskcmpv2df3, vmmaskcmpv2df3,
12924         sse2_comi, sse2_ucomi, sse2_movmskpd, sse2_pmovmskb, sse2_maskmovdqu,
12925         sse2_maskmovdqu_rex64, sse2_movntv2df, sse2_movntv2di, sse2_movntsi,
12926         cvtdq2ps, cvtps2dq, cvttps2dq, cvtdq2pd, cvtpd2dq, cvttpd2dq,
12927         cvtpd2pi, cvttpd2pi, cvtpi2pd, cvtsd2si, cvtsd2siq, cvttsd2si,
12928         cvttsd2siq, cvtsi2sd, cvtsi2sdq, cvtsd2ss, cvtss2sd, cvtpd2ps,
12929         cvtps2pd, addv16qi3, addv8hi3, addv4si3, addv2di3, ssaddv16qi3,
12930         ssaddv8hi3, usaddv16qi3, usaddv8hi3, subv16qi3, subv8hi3, subv4si3,
12931         subv2di3, sssubv16qi3, sssubv8hi3, ussubv16qi3, ussubv8hi3, mulv8hi3,
12932         smulv8hi3_highpart, umulv8hi3_highpart, sse2_umulsidi3,
12933         sse2_umulv2siv2di3, sse2_pmaddwd, sse2_uavgv16qi3, sse2_uavgv8hi3,
12934         sse2_psadbw, sse2_pinsrw, sse2_pextrw, sse2_pshufd, sse2_pshuflw,
12935         sse2_pshufhw, eqv16qi3, eqv8hi3, eqv4si3, gtv16qi3, gtv8hi3,
12936         gtv4si3, umaxv16qi3, smaxv8hi3, uminv16qi3, sminv8hi3, ashrv8hi3,
12937         ashrv4si3, lshrv8hi3, lshrv4si3, lshrv2di3, ashlv8hi3, ashlv4si3,
12938         ashlv2di3, sse2_ashlti3, sse2_lshrti3, sse2_unpckhpd, sse2_unpcklpd,
12939         sse2_packsswb, sse2_packssdw, sse2_packuswb, sse2_punpckhbw,
12940         sse2_punpckhwd, sse2_punpckhdq, sse2_punpcklbw, sse2_punpcklwd,
12941         sse2_punpckldq, sse2_punpcklqdq, sse2_punpckhqdq, sse2_movupd,
12942         sse2_movdqu, sse2_movdq2q, sse2_movdq2q_rex64, sse2_movq2dq,
12943         sse2_movq2dq_rex64, sse2_loadd, sse2_stored, sse2_storehpd,
12944         sse2_loadhpd, sse2_storelpd, sse2_loadlpd, sse2_movsd, sse2_loadsd,
12945         sse2_loadsd_1, sse2_storesd, sse2_shufpd, sse2_clflush, sse2_mfence,
12946         mfence_insn, sse2_lfence, lfence_insn, mwait, monitor, addsubv4sf3,
12947         addsubv2df3, haddv4sf3, haddv2df3, hsubv4sf3, hsubv2df3, movshdup,
12948         movsldup, lddqu, loadddup, movddup): Move to sse.md.  Any with
12949         non-optabs meanings renamed with an "sse{,2,3}_" prefix at the
12950         same time.
12951         (SSEPUSH, push<SSEPUSH>): Remove.
12952         (MMXPUSH, push<MMXPUSH>): Remove.
12953         (sse_movaps, sse_movaps_1, sse_movups): Remove.
12954         (sse2_movapd, sse2_movdqa, sse2_movq): Remove.
12955         (sse2_andti3, sse2_nandti3, sse2_iorti3, sse2_xorti3): Remove.
12956         (sse_clrv4sf, sse_clrv2df, sse2_clrti): Remove.
12957         (maskncmpv4sf3, vmmaskncmpv4sf3): Remove.
12958         (maskncmpv2df3, vmmaskncmpv2df3): Remove.
12959         (ashrv8hi3_ti, ashrv4si3_ti, lshrv8hi3_ti, lshrv4si3_ti): Remove.
12960         (lshrv2di3_ti, ashlv8hi3_ti, ashlv4si3_ti, ashlv2di3_ti): Remove.
12961         * config/i386/athlon.md (athlon_sselog_load): Handle sselog1.
12962         (athlon_sselog_load_k8, athlon_sselog, athlon_sselog_k8): Likewise.
12963         * config/i386/ppro.md (ppro_sse_div_V4SF_load): Fix memory attr.
12964         (ppro_sse_log_V4SF_load): Similarly.  Handle sselog1.
12965         (ppro_sse_log_V4SF): Handle sselog1.
12966         * config/i386/predicates.md (const_0_to_1_operand): New.
12967         (const_0_to_255_mul_8_operand): New.
12968         (const_1_to_31_operand): Rename from const_int_1_31_operand.
12969         (const_2_to_3_operand, const_4_to_7_operand): New.
12970         * config/i386/sse.md: New file.
12971         (SSEMODE12, SSEMODE24, SSEMODE124, SSEMODE248, ssevecsize): New.
12972         (sse_movups): Rename from sse_movups_1.
12973         (sse_loadlss): Rename from sse_loadss_1.
12974         (andv4sf3, iorv4sf3, xorv4sf3, andv2df3): Remove the sse prefix
12975         from the name.
12976         (negv4sf2): Use ix86_expand_fp_absneg_operator.
12977         (absv4sf2, negv2df, absv2df): New.
12978         (addv4sf3): Add expander to call ix86_fixup_binary_operands_no_copy.
12979         (subv4sf3, mulv4sf3, divv4sf3, smaxv4sf3, sminv4sf3, andv4sf3,
12980         iorv4sf3, xorv4sf3, addv2df3, subv2df3, mulv2df3, divv2df3,
12981         smaxv2df3, sminv2df3, andv2df3, iorv2df3, xorv2df3, mulv8hi3,
12982         umaxv16qi3, smaxv8hi3, uminv16qi3, sminv8hi3): Likewise.
12983         (sse3_addsubv4sf3): Model correctly.
12984         sse3_haddv4sf3, sse3_hsubv4sf3, sse3_addsubv2df3, sse3_haddv2df3,
12985         sse3_hsubv2df3, sse2_ashlti3, sse2_lshrti3): Likewise.
12986         (sse_movhlps): Model with vec_select+vec_concat.
12987         (sse_movlhps, sse_unpckhps, sse_unpcklps, sse3_movshdup,
12988         sse3_movsldup, sse_shufps, sse_shufps_1, sse2_unpckhpd, sse3_movddup,
12989         sse2_unpcklpd, sse2_shufpd, sse2_shufpd_1, sse2_punpckhbw,
12990         sse2_punpcklbw, sse2_punpckhwd, sse2_punpcklwd, sse2_punpckhdq,
12991         sse2_punpckldq, sse2_punpckhqdq, sse2_punpcklqdq, sse2_pshufd,
12992         sse2_pshufd_1, sse2_pshuflw, sse2_pshuflw_1, sse2_pshufhw,
12993         sse2_pshufhw_1): Likewise.
12994         (neg<SSEMODEI>2, one_cmpl<SSEMODEI>2): New.
12995         (add<SSEMODEI>3, sse2_ssadd<SSEMODE12>3, sse2_usadd<SSEMODE12>3,
12996         sub<SSEMODEI>3, sse2_sssub<SSEMODE12>3, sse2_ussub<SSEMODE12>3,
12997         ashr<SSEMODE24>3, lshr<SSEMODE248>3, sse2_eq<SSEMODE124>3,
12998         sse2_gt<SSEMODDE124>3, and<SSEMODEI>3, sse_nand<SSEMODEI>3,
12999         ior<SSEMODEI>3, xor<SSEMODEI>3): Macroize from existing patterns.
13000         (addv4sf3, sse_vmaddv4sf3, mulv4sf3, sse_vmmulv4sf3, smaxv4sf3,
13001         sse_vmsmaxv4sf3, sminv4sf3, sse_vmsminv4sf3, addv2df3, sse2_vmaddv2df3,
13002         mulv2df3, sse2_vmmulv2df3, smaxv2df3, sse2_vmsmaxv2df3, sminv2df3,
13003         sse2_vmsminv2df3, umaxv16qi3, smaxv8hi3, uminv16qi3
13004         sminv8hi3): Mark commutative
13005         operands.  Use ix86_binary_operator_ok.
13006         (sse_unpckhps, sse_unpcklps, sse2_packsswb, sse2_packssdw,
13007         sse2_packuswb, sse2_punpckhbw, sse2_punpcklbw, sse2_punpckhwd,
13008         sse2_punpcklwd, sse2_punpckhdq, sse2_punpckldq, sse2_punpckhqdq,
13009         sse2_punpcklqdq): Allow operand2 in memory.
13010         (sse_movhlps, sse_movlhps, sse2_unpckhpd, sse2_unpcklpd
13011         sse2_movsd): Add memory alternatives.
13012         (sse_storelps): Turn expander into an insn; split after reload.
13013         (sse_storess, sse2_loadhpd, sse2_loadlpd): Add non-xmm inputs.
13014         (sse2_storehpd, sse2_storelpd): Add non-xmm outputs.
13015
13016 2005-01-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
13017
13018         * configure.ac (DWARF-2 debug_line): Use objdump.
13019         * configure: Regenerate.
13020
13021 2005-01-08  Jeff Law  <law@redhat.com>
13022             Diego Novillo  <dnovillo@redhat.com>
13023
13024         PR tree-optimization/18241
13025         * tree-nrv.c (tree_nrv): Ignore volatile return values.
13026         * tree-ssa-dse.c (dse_optimize_stmt): Do not optimize
13027         statements with volatile operands.
13028         * tree-ssa-operands.c (add_stmt_operand): Do add volatile
13029         operands after marking a statement with has_volatile_ops.
13030
13031 2005-01-08  Roger Sayle  <roger@eyesopen.com>
13032
13033         * tree.c (int_fits_type_p): Always honor integer constant
13034         TYPE_MIN_VALUE and TYPE_MAX_VALUE if they exist.
13035
13036 2005-01-08  Roger Sayle  <roger@eyesopen.com>
13037
13038         * ifcvt.c (find_if_case_1): Reinstate 2005-01-04 change, now that
13039         the latent bug in rtl_delete_block has been resolved.
13040
13041 2005-01-08  Richard Sandiford  <rsandifo@redhat.com>
13042
13043         * config/mips/t-iris6 (MULTILIB_DIRNAMES): Use -mabi argument values.
13044         (MULTILIB_OSDIRNAMES): Use the standard lib, lib32 and lib64.
13045
13046 2005-01-08  Richard Sandiford  <rsandifo@redhat.com>
13047
13048         * config/mips/t-slibgcc-irix (SHLIB_LINK): Install a copy of the
13049         library as @multilib_dir@/$(SHLIB_SONAME).
13050
13051 2005-01-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
13052
13053         * configure.ac (HAVE_AS_OFFSETABLE_LO10): Fix typo.
13054         * configure: Regenerate.
13055
13056 2005-01-07  Jakub Jelinek  <jakub@redhat.com>
13057
13058         * c-common.c (handle_mode_attribute): For ENUMERAL_TYPE, also copy
13059         TYPE_MODE.
13060
13061 2005-01-07  David Edelsohn  <edelsohn@gnu.org>
13062
13063         PR target/13674
13064         * config/rs6000/rs6000.c (rs6000_legitimize_reload_address):
13065         Convert non-word aligned offset address using ld/std into
13066         indirect address.
13067
13068 2005-01-07  Richard Henderson  <rth@redhat.com>
13069
13070         * config/i386/i386.md (sse_loadhps splitter): Fix operand number typo.
13071
13072 2005-01-07  Richard SAndiford  <rsandifo@redhat.com>
13073
13074         * tree.h (IS_EXPR_CODE_CLASS): Use a straight-forward range check.
13075
13076 2005-01-07  Jakub Jelinek  <jakub@redhat.com>
13077
13078         PR tree-optimization/19283
13079         * fold-const.c (fold_widened_comparison): Return NULL if shorter_type
13080         is not shorter than the original type.
13081
13082         PR rtl-optimization/19012
13083         * config/i386/i386.md (addqi_1_slp): Set memory attribute.
13084
13085         PR rtl-optimization/18861
13086         * cfgbuild.c (BLOCK_USED_BY_TABLEJUMP): Define.
13087         (FULL_STATE): Define.
13088         (mark_tablejump_edge): New function.
13089         (purge_dead_tablejump_edges): New function.
13090         (find_bb_boundaries): Use it.
13091
13092         PR tree-optimization/18828
13093         * builtins.c (expand_builtin_next_arg): Remove argument and all
13094         the argument checking.
13095         (expand_builtin): Adjust caller.
13096         (expand_builtin_va_start): Likewise.  Remove error for too many
13097         arguments.
13098         (fold_builtin_next_arg): Issue error for too many arguments.
13099         After checking arguments, replace them with magic arguments that
13100         prevent further checking of the args.
13101
13102 2005-01-06  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
13103
13104         * pa64-hpux.h (STARTFILE_SPEC): Fix typo in spec.
13105
13106 2005-01-06  Roger Sayle  <roger@eyesopen.com>
13107
13108         PR target/6077
13109         * gcc.c (input_suffix_matches): Tweak the semantics of %{.s:...}
13110         and %{.S:...} (and their negative variants) to test whether the
13111         input file is assembler or pre-processed-assembler independent of
13112         the actual filename extension.
13113
13114 2005-01-06  Roger Sayle  <roger@eyesopen.com>
13115
13116         * simplify-rtx.c (simplify_subreg): Simplify truncations of shifts
13117         of sign or zero extended values.
13118
13119 2005-01-06  Geoffrey Keating  <geoffk@apple.com>
13120
13121         * c-cppbuiltin.c (builtin_define_float_constants): Set __*_EPSILON__
13122         for IBM long double format correctly.
13123
13124 2005-01-06  Daniel Berlin <dberlin@dberlin.org>
13125
13126         Fix PR tree-optimization/18792
13127
13128         * tree-data-ref.c (build_classic_dist_vector): Change first_loop
13129         to first_loop_depth, and use loop depth instead of loop number.
13130         (build_classic_dir_vector): Ditto.
13131         (compute_data_dependences_for_loop): Use depth, not loop number.
13132         * tree-loop-linear.c (try_interchange_loops): Use loop depth, not loop
13133         number. Pass in loops, instead of loop numbers.
13134         (gather_interchange_stats): Ditto.
13135         (linear_transform_loops): Ditto.
13136
13137 2005-01-06  Richard Sandiford  <rsandifo@redhat.com>
13138
13139         PR rtl-opt/13299
13140         * loop.c (get_monotonic_increment, biased_biv_fits_mode_p,
13141         biv_fits_mode_p, extension_within_bounds_p): New functions.
13142         (check_ext_dependent_givs): Use them.
13143
13144 2005-01-06  Roger Sayle  <roger@eyesopen.com>
13145
13146         * cfgrtl.c (rtl_delete_block): A basic block may be followed by
13147         more than one barrier, in which case we should delete them all.
13148
13149 2005-01-06  Tobias Schlueter  <tobias.schlueter@physik.uni-muenchen.de>
13150
13151         * gcc.c (process_command): Change year in 'gcc --version' to 2005.
13152
13153 2005-01-05  Daniel Berlin  <dberlin@dberlin.org>
13154
13155         Fix PR middle-end/19286
13156         Fix PR debug/19267
13157         * dwarf2out.c (gen_subprogram_die): If we've already tried to
13158         output this subprogram, simply ignore this attempt to do it again.
13159         (add_abstract_origin_attribute): Don't abort trying to add the abstract
13160         origin attribute if it's not possible.
13161         (gen_block_die): Don't ignore subblocks of "unused" blocks.
13162         (decls_for_scope): Ditto.
13163         * gimple-low.c (mark_blocks_with_used_subblocks): Remove.
13164         (mark_used_blocks): Don't call mark_blocks_with_used_subblocks.
13165
13166 2005-01-05  Richard Henderson  <rth@redhat.com>
13167
13168         PR target/11327
13169         * config/i386/i386.c (BUILTIN_DESC_SWAP_OPERANDS): New.
13170         (bdesc_2arg): Use it.
13171         (ix86_expand_binop_builtin): Force operands into registers
13172         when optimizing.
13173         (ix86_expand_unop_builtin, ix86_expand_unop1_builtin,
13174         ix86_expand_sse_compare, ix86_expand_sse_comi,
13175         ix86_expand_builtin): Likewise.
13176
13177 2005-01-05  Richard Henderson  <rth@redhat.com>
13178
13179         * config/ia64/ia64.c (rtx_needs_barrier): Handle CONST_VECTOR
13180         and VEC_SELECT.
13181         * config/ia64/vect.md (mulv8qi3): Re-implement with mix_[rl].
13182         (mulv4hi3): Set itanium_class mmmul.
13183         (fpack_sfxf, fpack_xfsf, fpack_xfxf): Remove.
13184         (fpack): Rename from fpack_sfsf.
13185
13186 2005-01-05  Richard Henderson  <rth@redhat.com>
13187
13188         PR rtl-opt/10692
13189         * reload1.c (do_input_reload): Restrict the optimization deleteing
13190         a previous output reload to RELOAD_FOR_INPUT.
13191
13192 2005-01-05  Steven Bosscher  <stevenb@suse.de>
13193
13194         * combine.c (expand_compound_operation)  <ZERO_EXTRACT>: Add
13195         comment that we fall through after case.
13196         (mark_used_regs_combine): Don't expect a SIGN_EXTRACT in a SET_DEST.
13197         (distribute_links): Likewise.
13198         * cse.c (cse_insn): Likewise.
13199         * cselib.c (cselib_invalidate_mem): Likewise.
13200         * df.c: Update comments at the top of the file.
13201         (read_modify_subreg_p): Update comments here too.
13202         (df_def_record_1): Don't expect a SIGN_EXTRACT in a SET_DEST.
13203         * flow.c (mark_set_1): Likewise.
13204         (mark_used_regs): Likewise.
13205         * gcse.c (mems_conflict_for_gcse_p): Likewise.
13206         (canon_list_insert): Likewise.
13207         (mark_set): Likewise.
13208         (try_replace_reg): Likewise.
13209         (store_killed_in_insn): Likewise.
13210         * loop.c (count_one_set): Likewise.
13211         (basic_induction_var): Likewise.
13212         * postreload-gcse.c (find_mem_conflicts): Likewise.
13213         * postreload.c (reload_combine_note_store): Likewise.
13214         (move2add_note_store): Likewise.
13215         * reload.c (find_equiv_reg): Likewise.
13216         (mark_referenced_resources): Likewise.
13217         * rtlanal.c (set_noop_p): Likewise.
13218         (note_stores): Likewise.
13219         (note_uses): Likewise.
13220         * sched-deps.c (sched_analyze_1): Likewise.
13221         * sched-rgn.c (check_live_1): Likewise.
13222         (update_live_1): Likewise.
13223         * config/i860/i860.c: Likewise.
13224
13225         * rtl.dec (SIGN_EXTRACT): Document that this cannot appear as
13226         an lvalue.
13227         (ZERO_EXTRACT): Mention that this one can be an lvalue.
13228
13229         * doc/rtl.texi: Update documentation for bit-fields and SET.
13230
13231 2005-01-05  Roger Sayle  <roger@eyesopen.com>
13232
13233         * ifcvt.c (find_if_case_1): Revert 2005-01-04 change.
13234
13235 2005-01-05  Jan Hubicka  <jh@suse.cz>
13236             Richard Henderson  <rth@redhat.com>
13237
13238         PR target/18910
13239         * config/i386/i386.c (ix86_expand_move): Handle tls symbols
13240         with an offset.
13241
13242 2005-01-05  Richard Henderson  <rth@redhat.com>
13243
13244         PR target/12902
13245         * config/i386/i386.md (sse_movhps, sse_movlps): Remove.
13246         (sse_shufps): Change operand 3 to const_int_operand.
13247         (sse2_storelps): Fix typo in template.
13248         (sse_storehps, sse_loadhps, sse_storelps, sse_loadlps): New.
13249         * config/i386/i386.c (ix86_expand_vector_move_misalign): Use them.
13250         (ix86_expand_builtin): Likewise.
13251
13252 2005-01-05  Julian Brown  <julian@codesourcery.com>
13253
13254         * config/arm/arm.c (arm_return_in_memory): Treat complex types
13255         as aggregates for AAPCS ABIs.
13256
13257 2005-01-05  Stan Shebs  <shebs@apple.com>
13258
13259         * unwind-dw2-fde-darwin.c (examine_objects): Use 64-bit
13260         Mach-O getters if ppc64.
13261         * config/darwin.c (darwin_asm_output_dwarf_delta): Obey
13262         size argument.
13263         * config/darwin.h (ASM_PREFERRED_EH_DATA_FORMAT): Use
13264         signed four-byte field for global code case.
13265         (STARTFILE_SPEC): Avoid crt2.o for 64-bit compilation.
13266
13267 2005-01-05  Roger Sayle  <roger@eyesopen.com>
13268
13269         PR middle-end/19100
13270         * c-common.c: Include real.h.
13271         (c_common_truthvalue_conversion): Avoid destructively modifying expr.
13272         Correctly handle TREE_CONSTANT_OVERFLOW for INTEGER_CST.
13273         Correctly handle TREE_CONSTANT_OVERFLOW and NaNs for REAL_CST.
13274         * Makefile.in (c-common.o): Update dependencies.
13275
13276 2005-01-05  Joseph S. Myers  <joseph@codesourcery.com>
13277
13278         * c-parse.in (asm_string): Add trailing semicolon.
13279
13280 2005-01-05  Joseph S. Myers  <joseph@codesourcery.com>
13281
13282         * c-parse.in (asm_string): New.  Don't allow wide strings in
13283         'asm'.
13284         (simple_asm_expr, asm_argument, asm_operand, asm_clobbers): Use
13285         asm_string instead of STRING.
13286
13287 2005-01-05  Joseph S. Myers  <joseph@codesourcery.com>
13288
13289         * c-typeck.c (constructor_no_implicit): Remove.
13290         (set_designator, process_init_element): Don't check
13291         constructor_no_implicit.
13292
13293 2005-01-05  J"orn Rennecke <joern.rennecke@st.com>
13294             Kaz Kojima  <kkojima@gcc.gnu.org>
13295
13296         PR target/16482
13297         * lcm.c (create_pre_exit): New.
13298         (optimize_mode_switching): In MODE_ENTRY / MODE_EXIT case, set
13299         ENTRY_EXIT_EXTRA to 3.  Use create_pre_exit.
13300
13301 2004-01-05  Richard Earnshaw  <rearnsha@arm.com>
13302
13303         * arm.h (TARGET_OPTIONS): Correctly record -mhard-float and
13304         -msoft-float in target_float_switch.
13305         * arm.c (arm_override_options): Fix processing of target_float_switch.
13306
13307 2004-01-05  Richard Earnshaw  <rearnsha@arm.com>
13308
13309         * arm/vfp.md (arm_movsi_vfp): Hide VFP register classes from register
13310         preferencing.
13311
13312 2004-01-05  Uros Bizjak  <uros@kss-loka.si>
13313
13314         * doc/invoke.texi (Intel 386 and AMD x86-64 Options):
13315         Replace i387 with 'i386 compiler' in -mfpmath=sse option.
13316
13317 2005-01-04  Roger Sayle  <roger@eyesopen.com>
13318
13319         * ifcvt.c (find_if_case_1): Avoid creating an empty forwarder block,
13320         if deleting the then-block allows the test-block to fallthru to the
13321         else-block.
13322
13323 2005-01-04  Andrew Pinski  <pinskia@physics.uc.edu>
13324
13325         PR c/19152
13326         * c-decl.c (diagnose_mismatched_decls): Accept "extern inline" declared
13327         after the full declaration if the are in two different TUs.
13328
13329 2005-01-04  Richard Henderson  <rth@redhat.com>
13330
13331         PR tree-opt/19158
13332         * tree-sra.c (generate_one_element_init): Just
13333         call gimplify_and_add.
13334         (generate_element_init): Record the
13335         new referenced variables and mark them for renaming
13336         and split out to ...
13337         (generate_element_init_1): This.
13338         (scalarize_init): Don't call push_gimplify_context/
13339         pop_gimplify_context.
13340
13341 2005-01-04  Geoffrey Keating  <geoffk@apple.com>
13342
13343         * toplev.c (get_src_pwd): Handle failure of getpwd().
13344
13345 2005-01-04  Roger Sayle  <roger@eyesopen.com>
13346
13347         * fold-const.c (fold_single_bit_test): Delete unreachable handling
13348         of TRUTH_NOT_EXPR.
13349         (fold): Don't call fold_single_bit_test with a TRUTH_NOT_EXPR, as
13350         all the cases handled by it are inverted by invert_truthvalue.
13351
13352 2005-01-04  Eric Botcazou  <ebotcazou@libertysurf.fr>
13353
13354         * config/sparc/sparc.md (save_register_windowdi): Add missing mode.
13355         (save_register_windowsi): Likewise.
13356
13357 2005-01-04  Richard Henderson  <rth@redhat.com>
13358
13359         * tree-mudflap.c (mf_varname_tree): Fix thinko setting declname.
13360
13361 2005-01-04  Uros Bizjak  <uros@kss-loka.si>
13362
13363         PR middle-end/17767
13364         * cse.c (fold_rtx) [RTX_COMPARE, RTX_COMM_COMPARE]: Don't attempt
13365         any simplifications of vector mode comparison operators.
13366         * simplify-rtx.c (simplify_relational_operation): Fix variable name.
13367
13368 2005-01-04  Paolo Bonzini  <bonzini@gnu.org>
13369             Devang Patel  <dpatel@apple.com>
13370
13371         PR tree-optimization/18308
13372         * tree-if-conv.c (add_to_dst_predicate_list): Gimplify
13373         the operands before creating a new expression.
13374         * dojump.c (do_jump): Make drop_through_label available
13375         for all cases.  Add expansion of COND_EXPR.
13376
13377 2005-01-04  Ira Rosen  <irar@il.ibm.com>
13378
13379         * tree-vectorizer.c (vect_analyze_offset_expr): Test for
13380         INTEGER_CST instead of TREE_CONSTANT.
13381         (vect_gen_niters_for_prolog_loop): Test for INTEGER_CST
13382         instead of TREE_CONSTANT.
13383         (vect_analyze_pointer_ref_access): Test for INTEGER_CST
13384         instead of TREE_CONSTANT.
13385
13386 2005-01-04  Eric Botcazou  <ebotcazou@libertysurf.fr>
13387
13388         * tree-eh.c (replace_goto_queue): Return early if the queue is empty.
13389
13390 2005-01-04  Uros Bizjak  <uros@kss-loka.si>
13391
13392         PR target/19240
13393         * config/i386/i386.md (*fop_df_1_i387): Disable for TARGET_SSE_MATH.
13394         (*fop_df_1_i387): Disable for (TARGET_SSE2 && TARGET_SSE_MATH).
13395
13396 2005-01-03  Richard Henderson  <rth@redhat.com>
13397
13398         * fold-const.c (force_fit_type): Cope with types larger than 2 HWI.
13399         (fold_convert_const_int_from_int, fold_convert_const_int_from_real,
13400         fold_convert_const_real_from_real): Split out from ...
13401         (fold_convert_const): ... here.
13402
13403 2005-01-03  Richard Henderson  <rth@redhat.com>
13404
13405         PR target/19235
13406         * config/i386/i386.md (movdi_2): Separate SSE1 and SSE2 alternatives.
13407         (mov<MMXMODEI>_internal): Likewise.
13408         (movdf_nointeger): Prefer Y while not preferring, but allowing, x.
13409         Add V2SF case; use it for SSE1; don't use TI.
13410         (movdf_integer): Likewise.
13411         (mov<SSEMODEI>_internal, movti_internal): Force V4SF for SSE1.
13412
13413 2005-01-03  Ira Rosen  <irar@il.ibm.com>
13414
13415         * tree-vectorizer.c (vect_strip_conversions): New function.
13416         (vect_analyze_offset_expr): Call vect_strip_conversions. Add
13417         check for binary class.
13418
13419 2005-01-03  Daniel Berlin  <dberlin@dberlin.org>
13420
13421         Fix PR debug/17924
13422         Fix PR debug/19191
13423         * dwarf2out.c (block_ultimate_origin): Follow decl origin if origin
13424         is a decl.
13425         * gimple-low.c (mark_blocks_with_used_vars): New function.
13426         (mark_blocks_with_used_subblocks): Ditto.
13427         (mark_used_blocks): Ditto.
13428         (pass_mark_used_blocks): New pass.
13429         * tree-inline.c: Include debug.h.
13430         (expand_call_inline): Call outlining_inline_function here.
13431         * tree-optimize.c (init_tree_optimization_passes): Add
13432         pass_mark_used_blocks.
13433         * tree-pass.h (pass_mark_used_blocks): New.
13434         * Makefile.in (tree-inline.o): Add debug.h dependency.
13435
13436 2005-01-03  Geoffrey Keating  <geoffk@apple.com>
13437
13438         * config/darwin.c (darwin_handle_weak_import_attribute): Permit
13439         VAR_DECLs to have weak_import attribute.
13440
13441         * config/rs6000/darwin-fallback.c: Use 'ucontext_t' rather than
13442         'struct ucontext'.
13443
13444 2004-01-03  Steven Bosscher  <stevenb@suse.de>
13445
13446         * passes.c (rest_of_compilation): Don't run regmove if only
13447         flag_expensive_optimizations, require flag_regmove instead.
13448
13449 2005-01-03  Eric Botcazou  <ebotcazou@libertysurf.fr>
13450
13451         * config/sparc/litecoff.h (TARGET_OS_CPP_BUILTINS): Do not
13452         register "sparc".
13453         * config/sparc/sysv4-only.h (TARGET_OS_CPP_BUILTINS): Likewise.
13454         * config/sparc/rtemself.h (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
13455         * config/sparc/sol2-64.h (TARGET_SUB_OS_CPP_BUILTINS): Delete.
13456         * config/sparc/sp64-elf.h (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
13457
13458 2005-01-03  Richard Henderson  <rth@redhat.com>
13459
13460         * config/ia64/ia64.c (TARGET_VECTOR_MODE_SUPPORTED_P): New.
13461         (ia64_const_ok_for_letter_p): New.
13462         (ia64_const_double_ok_for_letter_p): New.
13463         (ia64_extra_constraint): New.
13464         (ia64_expand_vecint_compare): New.
13465         (ia64_expand_vcondu_v2si): New.
13466         (ia64_expand_vecint_cmov): New.
13467         (ia64_expand_vecint_minmax): New.
13468         (ia64_print_operand): Add 'v'.
13469         (ia64_preferred_reload_class): New.
13470         (ia64_vector_mode_supported_p): New.
13471         * config/ia64/ia64.h (UNITS_PER_SIMD_WORD): New.
13472         (PREFERRED_RELOAD_CLASS): Move to function.
13473         (CONST_OK_FOR_LETTER_P): Move to function.
13474         (CONST_DOUBLE_OK_FOR_LETTER_P): Move to function.
13475         (CONSTRAINT_OK_FOR_Q, CONSTRAINT_OK_FOR_R): Remove.
13476         (CONSTRAINT_OK_FOR_S, CONSTRAINT_OK_FOR_T): Remove.
13477         (EXTRA_CONSTRAINT): Move to function.
13478         * config/ia64/ia64.md: Include vect.md.
13479         (itanium_class): Add mmalua.
13480         (type): Handle it.
13481         * config/ia64/itanium1.md (1_mmalua): New.  Add it to bypasses.
13482         (1b_mmalua): New.
13483         * config/ia64/itanium2.md (2_mmalua, 2b_mmalua): Similarly.
13484         * config/ia64/predicates.md (gr_reg_or_0_operand): Accept any
13485         CONST0_RTX.
13486         (const_int_2bit_operand): New.
13487         (fr_reg_or_0_operand): New.
13488         * config/ia64/ia64-modes.def: Add vector modes.
13489         * config/ia64/ia64-protos.h: Update.
13490         * config/ia64/vect.md: New file.
13491
13492 2005-01-03  Richard Henderson  <rth@redhat.com>
13493
13494         * simplify-rtx.c (simplify_binary_operation): Handle VEC_CONCAT.
13495
13496 2005-01-03  Uros Bizjak  <uros@kss-loka.si>
13497
13498         PR target/19236
13499         * config/i386/i386.c (log1psf2): Change mode of operands[0,1]
13500         to SFmode.
13501         (log1pdf2): Change mode of operands[0,1] to DFmode.
13502
13503 2005-01-03  Eric Botcazou  <ebotcazou@libertysurf.fr>
13504
13505         * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Define to false.
13506         * config/sparc/linux.h (SPARC_RELAXED_ORDERING): Define to true.
13507         * config/sparc/linux64.h (SPARC_RELAXED_ORDERING): Likewise.
13508         * config/sparc/sparc.c (TARGET_RELAXED_ORDERING): Define to
13509         SPARC_RELAXED_ORDERING.
13510
13511 2005-01-03  Richard Henderson  <rth@redhat.com>
13512             Uros Bizjak  <uros@kss-loka.si>
13513
13514         PR target/14631
13515         * config/i386/i386.c (ix86_expand_builtin): [IX86_BUILTIN_PINSRW,
13516         IX86_BUILTIN_PINSRW128]: Fix wrong selector range in error message.
13517         * config/i386/i386.md (mmx_pinsrw, sse2_pinsrw): Fix selector
13518         handling.
13519         (*mmx_pinsrw, *sse2_pinsrw): New patterns.
13520         * config/i386/i386/predicates.md (const_pow2_1_to_8_operand,
13521         const_pow2_1_to_128_operand): New predicates.
13522
13523 2005-01-02  Greg McGary  <greg@mcgary.org>
13524
13525         * tree-mudflap.c (mf_varname_tree): decl_printable_name handles
13526         anonymous decls.
13527         (mf_xform_derefs_1) [RESULT_DECL, STRING_CST]: Handle as innermost
13528         object.  [ptr_type]: Remove unused variable.
13529         Remember nearest addressable array-element or record-component
13530         when checking bitfield components.  Tolerate empty BIND_EXPR.
13531
13532 2005-01-01  Richard Henderson  <rth@redhat.com>
13533
13534         * tree-vectorizer.c (vect_analyze_offset_expr): Strip conversions
13535         that don't narrow the value.  Fail for other conversions.
13536
13537 2005-01-01  Richard Henderson  <rth@redhat.com>
13538
13539         PR c/19031
13540         * c-decl.c (pop_file_scope): Call maybe_apply_pending_pragma_weaks.
13541         * c-lang.c (finish_file): Don't do it here.
13542         * objc/objc-act.c (objc_finish_file): Likewise.
13543
13544         * cgraph.c (decl_assembler_name_equal): New.
13545         (cgraph_node_for_asm, cgraph_varpool_node_for_asm): New.
13546         (cgraph_varpool_node): Actually link up cgraph_varpool_nodes.
13547         * cgraph.h (struct cgraph_varpool_node): Add next.
13548         (cgraph_node_for_asm, cgraph_varpool_node_for_asm): Declare.
13549         * varasm.c (assemble_alias): Mark the target as needed.
13550
13551 2005-01-01  Andrew Pinski  <pinskia@physics.uc.edu>
13552
13553         PR middle-end/19221
13554         * function.c (get_arg_pointer_save_area): Use entry_of_function
13555         instead of get_insns.
13556
13557 2005-01-01  Roger Sayle  <roger@eyesopen.com>
13558             Andrew Pinski  <pinskia@physics.uc.edu>
13559             James E. Wilson  <wilson@specifixinc.com>
13560
13561         PR rtl-optimization/12092
13562         * loop.c (emit_prefetch_instructions): Do nothing if PREFETCH_BLOCK
13563         is zero.
13564
13565 2005-01-01  Roger Sayle  <roger@eyesopen.com>
13566             Olivier Hainque  <hainque@act-europe.fr>
13567
13568         * tree.c (int_fits_type_p): A narrower type always fits in a
13569         wider one, except for negative values into unsigned types.
13570
13571 2005-01-01  Roger Sayle  <roger@eyesopen.com>
13572
13573         * tree.c (int_fits_type_p): Compare the result of force_fit_type
13574         with the original constant rather than require TREE_OVERFLOW.
13575
13576 2005-01-01  Steven Bosscher  <stevenb@suse.de>
13577
13578         PR middle-end/17544
13579         * c-decl.c (finish_function): If compiling C99, annotate the
13580         compiler generated return with the current file name and line 0.
13581         * tree-cfg.c (remove_useless_stmts_warn_notreached): Only warn if
13582         the source line is greater than 0.
13583         (remove_bb): Likewise.