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2005-05-04 Kelley Cook <kcook@gcc.gnu.org>
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2005-05-04  Kelley Cook  <kcook@gcc.gnu.org>
2
3         * config/m32r/xm-m32r.h: Don't define HOST_WORDS_BIG_ENDIAN.
4         * config/m32r/xm-linux.h: Don't undefine HOST_WORDS_BIG_ENDIAN.
5         * mips-tfile.c: Use WORDS_BIG_ENDIAN instead of HOST_WORDS_BIG_ENDIAN.
6         * aclocal.m4: Don't include accross.m4.
7         * configure.ac: Use AC_C_BIGENDIAN instead of AC_C_BIGENDIAN_CROSS.
8         Use AC_CHECK_SIZEOF instead of AC_COMPILE_CHECK_SIZEOF.
9         * configure, config.in: Regenerate.
10         
11 2005-05-04  Jakub Jelinek  <jakub@redhat.com>
12
13         PR middle-end/21265
14         * expr.h (enum block_op_methods): Add BLOCK_OP_TAILCALL.
15         (clear_storage): Add argument.
16         * expr.c (emit_block_move_via_libcall, clear_storage_via_libcall):
17         Add tailcall argument, set CALL_EXPR_TAILCALL of the CALL_EXPR to
18         tailcall.
19         (emit_block_move): Handle BLOCK_OP_TAILCALL method.
20         (clear_storage): Add method argument, handle BLOCK_OP_TAILCALL.
21         (store_expr, store_constructor): Adjust callers.
22         * builtins.c (expand_builtin_memcpy): Pass BLOCK_OP_TAILCALL
23         to emit_block_move if CALL_EXPR_TAILCALL (exp).
24         (expand_builtin_memmove): Add ORIG_EXP argument, copy
25         CALL_EXPR_TAILCALL from ORIG_EXP to the new CALL_EXPR.
26         (expand_builtin_bcopy): Replace ARGLIST and TYPE arguments
27         with EXP.  Pass EXP to expand_builtin_memmove.
28         (expand_builtin_memset): Add ORIG_EXP argument, pass
29         BLOCK_OP_TAILCALL to clear_storage if CALL_EXPR_TAILCALL (orig_exp).
30         (expand_builtin_bzero): Replace ARGLIST argument with EXP.
31         Pass EXP to expand_builtin_memset.
32         (expand_builtin_strcmp): Copy CALL_EXPR_TAILCALL from EXP to
33         the new CALL_EXPR.
34         (expand_builtin_strncmp): Likewise.
35         (expand_builtin_printf): Replace ARGLIST argument with EXP.
36         Copy CALL_EXPR_TAILCALL from EXP to the new CALL_EXPR.
37         (expand_builtin_fprintf): Likewise.
38         (expand_builtin): Adjust calls to
39         expand_builtin_{memmove,bcopy,memset,bzero,{,f}printf}.
40
41         * config/i386/i386.c (ix86_expand_vector_set): Fix setting 3rd and 4th
42         item in V4SF mode.
43
44         PR rtl-optimization/21239
45         * combine.c (combine_simplify_rtx) <case VEC_SELECT>: Fix a typo.
46
47 2005-05-03  Kazu Hirata  <kazu@cs.umass.edu>
48
49         * tree-flow.h (tree_ann_common_d): Move aux to ...
50         (stmt_ann_d): ... here.
51         * tree-ssa-loop-im.c (LIM_DATA, determine_invariantness_stmt,
52         move_computations_stmt, schedule_sm): Update references to
53         aux.
54         * tree-vectorizer.h (set_stmt_info, vinfo_for_stmt): Likewise.
55
56         * tree-cfg.c (remove_bb): Remove a redundant call to
57         set_bb_for_stmt.
58         * tree-if-conv.c (replace_phi_with_cond_modify_expr):
59         Likewise.
60
61 2005-05-03  Richard Henderson  <rth@redhat.com>
62
63         * config/rs6000/rs6000.c: Remove conflict markers.
64
65         * cfg.c (dump_flow_info): Use max_reg_num, not max_regno.
66
67 2005-05-03  James E Wilson  <wilson@specifixinc.com>
68
69         * dwarf2out.c (lookup_filename): Call maybe_emit_file.
70
71 2005-05-03  DJ Delorie  <dj@redhat.com>
72
73         * c-decl.c (store_parm_decls_oldstyle): Let diagnostic machinery
74         decide if the warning will be printed.
75         * calls.c (expand_call): Likewise.
76         * function.c (init-function_start): Likewise.
77
78         * common.opt (-fdiagnostics-show-option): New.
79         * opts.c (option_enabled): Accept the option index instead of a
80         pointer to the option descriptor.
81         * opts.h (option_enabled): Likewise.
82         * toplev.c (print_switch_values): Pass option index, not option
83         descriptor.
84         * diagnostic.h (diagnostic_info): Add option_index.
85         * diagnostic.c: Include opts.h.
86         (diagnostic_set_info): Initialize option_index.
87         (diagnostic_report_diagnostic): Amend option name if appropriate.
88         (warning): Check to see if the specified warning is enabled.
89         Store option index.
90         * doc/invoke.texi (-fdiagnostics-show-options): Document.
91
92 2005-05-03  Richard Henderson  <rth@redhat.com>
93
94         * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Fix ALL_REGS and
95         SPEC_OR_GEN_REGS definitions.
96
97 2005-05-03  Alexandre Oliva  <aoliva@redhat.com>
98
99         PR target/16888
100         * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Clear reg names
101         for unavailable registers.
102
103 2005-05-03  Kazu Hirata  <kazu@cs.umass.edu>
104
105         * tree-cfg.c (tree_forwarder_block_p): Fix a typo.
106
107         * cfglayout.c (block_locators_blocks,
108         insn_locators_initialize, insn_scope): Use VEC instead of
109         VARRAY.
110
111         * tree-mudflap.c (deferred_static_decls, mudflap_enqueue_decl,
112         mudflap_finish_file, mudflap_finish_file): Use VEC instead of
113         VARRAY.
114
115 2005-05-03  Eric Botcazou  <ebotcazou@libertysurf.fr>
116
117         * config/sparc/predicates.md (const_compl_high_operand): New.
118         * config/sparc/sparc.c (sparc_emit_set_safe_HIGH64): Rename into
119         gen_safe_HIGH64.
120         (sparc_emit_set_const64_quick1): Adjust for above change.
121         (sparc_emit_set_const64_quick2): Likewise.
122         (sparc_emit_set_const64_longway): Likewise.
123         (sparc_emit_set_const64): Likewise.
124         * config/sparc/sparc.md (movhi_const64_special, movsi_const64_special,
125         movdi_const64_special): Delete.
126         (logical constant splitters): Use const_compl_high_operand.
127
128 2005-05-03  Richard Guenther  <rguenth@gcc.gnu.org>
129
130         * tree-ssa-ccp.c (maybe_fold_stmt_indirect): Use STRIP_TYPE_NOPS
131         rather than STRIP_NOPS.
132
133 2005-05-03  Jakub Jelinek  <jakub@redhat.com>
134
135         PR rtl-optimization/21330
136         * loop-unswitch.c (may_unswitch_on): Set *cinsn only when
137         returning non-NULL.
138         (unswitch_single_loop): Clear cinsn when retrying.
139
140         PR target/21297
141         * config/i386/i386.c (legitimize_address): When canonicalizing
142         ASHIFT into MULT, multiply by 1 << shift_count instead of
143         1 << log2 (shift_count).
144
145 2005-05-03  Andrew MacLeod  <amacleod@redhat.com>
146
147         * lambda-code.c (gcc_loop_to_lambda_loop, 
148         lambda_loopnest_to_gcc_loopnest, phi_loop_edge_uses_def,
149         stmt_is_bumper_for_loop, perfect_nest_p, replace_uses_of_x_with_y): Use
150         generic operand interface.
151         * tree-data-ref.c (find_data_references_in_loop): Use generic interface.
152         * tree-dfa.c (collect_dfa_stats_r, mark_new_vars_to_rename): Use
153         generic operand interface.
154         * tree-flow-inline.h (delink_imm_use, link_imm_use_to_list, 
155         link_imm_use, link_imm_use_stmt, relink_imm_use, relink_imm_use_stmt,
156         next_safe_imm_use, has_zero_uses, has_single_use, single_imm_use,
157         num_imm_uses): Use ssa_use_operand_t.
158         (get_def_ops, get_use_ops, get_v_may_def_ops, get_vuse_ops,
159         get_v_must_def_ops): Delete.
160         (get_def_from_ptr, get_phi_result_ptr): Get def directly now.
161         (get_use_op_ptr, get_def_op_ptr, get_v_may_def_result_ptr,
162         get_v_may_def_op_ptr, get_vuse_op_ptr, get_v_must_def_result_ptr,
163         get_v_must_def_kill_ptr): Delete.
164         (delink_stmt_imm_use): Move and use new operand interface.
165         (op_iter_next_use, op_iter_next_def, op_iter_next_tree, op_iter_init,
166         op_iter_next_tree): Use new operand implementation.
167         (clear_and_done_ssa_iter): New.  Initialize a blank operand iterator.
168         (op_iter_init_use, op_iter_init_def, op_iter_init_tree): Add iterator 
169         type check.
170         (op_iter_next_mustdef, op_iter_next_maydef, 
171         op_iter_next_must_and_may_def): Delete. Replace with...
172         (op_iter_next_maymustdef): New.  Combine must and may next operations.
173         (op_iter_init_maydef, op_iter_init_mustdef, 
174         op_iter_init_must_and_may_def): Use new interface.
175         (single_ssa_tree_operand ): New.  Process single operands only as trees.
176         (single_ssa_use_operand): New.  Process single operands only as uses.
177         (single_ssa_def_operand): New.  Process single operands only as defs.
178         (zero_ssa_operands): New.  Return TRUE if there are zero operands of the
179         specified types.
180         (num_ssa_operands): New.  Count the number of specified operands.
181         (compare_ssa_operands_equal): New.  Compare two statements' operands.
182         (single_phi_def): New.  Return true if PHI has one def of the specified
183         operand type.
184         (op_iter_init_phiuse): New.  Initialize the iterator for PHI arguments.
185         (op_iter_init_phidef): New.  Initialize the iterator for the PHI def.
186         * tree-flow.h (struct immediate_use_iterator_d): Use ssa_use_operand_t.
187         (struct stmt_ann_d): Operands field no longer require GTY().
188         (vn_compute, vn_lookup_or_add, vn_add, vn_lookup): Change prototype.
189         * tree-into-ssa.c (mark_def_sites): Use SSA_OP_VMUSTKILL.
190         * tree-outof-ssa.c (check_replaceable, find_replaceable_in_bb, 
191         dump_replaceable_exprs, rewrite_trees): Use generic interface.
192         * tree-phinodes.c (make_phi_node, release_phi_node, resize_phi_node): 
193         Use use_operand_p instead of ssa_imm_use_t *.
194         * tree-pretty-print.c (dump_vops): check if operands are active before
195         dumping virtual operands.
196         * tree-sra.c (sra_walk_function): Use ZERO_SSA_OPERANDS.
197         * tree-ssa-ccp.c (likely_value): Use ZERO_SSA_OPERANDS.
198         (ccp_fold): Use new interface.
199         (ccp_visit_stmt): Remove unused variables and code.
200         (convert_to_gimple_builtin): Insert statements before calling 
201         mark_new_vars_to_rename.
202         * tree-ssa-copy.c (stmt_may_generate_copy): Use ZERO_SSA_OPERANDS.
203         (copy_prop_visit_cond_stmt): Use generic interface.
204         * tree-ssa-dom.c (struct expr_hash_elt): Use stmt pointer, not the 
205         annotation in table.
206         (thread_across_edge): Use generic interface.
207         (initialize_hash_element): Initialzie with stmt, not annotation.
208         (eliminate_redundant_computations): Use generic interface.
209         (record_equivalences_from_stmt): Pass stmt, not annotation.
210         (avail_expr_hash, real_avail_expr_hash, avail_expr_eq): Use generic
211         interface.
212         * tree-ssa-dse.c (dse_optimize_stmt): Use ZERO_SSA_OPERANDS.
213         * tree-ssa-loop-ivopts.c (find_invariants_stmt, 
214         find_interesting_uses_stmt, protect_loop_closed_ssa_form_use): Use 
215         generic operand interface.
216         * tree-ssa-loop-niter.c (chain_of_csts_start, get_val_for): Use generic
217         interface.
218         * tree-ssa-loop-unswitch.c (tree_may_unswitch_on): Use Generic operand
219         Interface.
220         * tree-ssa-operands.c (struct opbuild_list_d): New.  Operand build type.
221         (build_defs, build_uses, build_v_may_defs, build_vuses, 
222         build_v_must_defs): Change type to struct opbuild_list_d.
223         (ops_active): New.  Operands active boolean.
224         (operand_memory, operand_memory_index): New.  Operand memory managers.
225         (allocate_def_optype, allocate_use_optype, allocate_v_may_def_optype,
226         allocate_vuse_optype, allocate_v_must_def_optype): Delete.
227         (free_uses, free_defs, free_vuses, free_v_may_defs, free_v_must_defs): 
228         Change from functions to static variable list heads.
229         (opbuild_initialize_virtual): New.  Initialize a virtual build list.
230         (opbuild_initialize_real): New.  Initialize a virtual build list.
231         (opbuild_free): New.  Free a build list.
232         (opbuild_num_elems): New.  Number of items in a list.
233         (opbuild_append_real): New.  Add a real (tree *) operand.
234         (opbuild_append_virtual): New.  Add and sort a virtual (tree) operand.
235         (opbuild_first): New.  Return first element index in a list.
236         (opbuild_next): New.  Return next element in a list.
237         (opbuild_elem_real): New.  Return real element.
238         (opbuild_elem_virtual): New.  Return virtual element.
239         (opbuild_elem_uid): New.  Return UID of virtual element.
240         (opbuild_clear): New.  Reset an operand list.
241         (opbuild_remove_elem): New.  Remove an element form a list.
242         (ssa_operands_active): New.  Return true if operand cache is active.
243         (init_ssa_operands, fini_ssa_operands): Initialize new implementation.
244         (ssa_operand_alloc): New.  Allocate memory from an operand chunk.
245         (correct_use_link): Use use_operand_p.
246         (finalize_ssa_uses, finalize_ssa_v_may_defs, finalize_ssa_defs,
247         finalize_ssa_vuses, finalize_ssa_v_must_defs): New implmentation. 
248         (cleanup_v_may_defs): Use new implmentation.
249         (finalize_ssa_stmt_operands, start_ssa_stmt_operands): New 
250         implementation.
251         (append_def, append_use, append_v_may_def, append_vuse, 
252         append_v_must_def): Call opbuild_append routine instead of using varray.
253         (build_ssa_operands): Simplify to simply use stmt, don't maintain a 
254         global parse_old_ops variable.
255         (free_ssa_operands): New implementation.
256         (update_stmt_operands): Move.  Change argument to build_ssa_operands.
257         (copy_virtual_operands): Move. New generic implementation.
258         (create_ssa_artficial_load_stmt): Move. New implementation.
259         (swap_tree_operands): Update for new implementation.
260         (get_expr_operands): Add stmt parameter to calls to swap_tree_operands.
261         (add_call_clobber_ops, add_call_read_ops): Initialize opbuild list
262         rather than a varray.
263         (verify_imm_links): Use use_operand_p.
264         (dump_immediate_uses_for): If the immediate use variable is a virtual 
265         variable, show the virtual ops in the stmt.
266         * tree-ssa-operands.h (def_operand_p): No longer a structure.
267         (NULL_DEF_OPERAND_P): Now a #define.
268         (def_optype_d, use_optype_d, v_def_use_operand_type, v_may_def_optype_d,
269         vuse_operand_type, vuse_optype_d, v_must_def_optype_d): Delete.
270         (def_optype_d, use_optype_d, maydef_optype_d, vuse_optype_d,
271         mustdef_optype_d): New.  Use Linked list representation.
272         (SSA_OPERAND_MEMORY_SIZE): New.  Size of operand memory chunk.
273         (struct ssa_operand_memory_d): New.  Allocated Chunk node.
274         (struct stmt_operands_d): Change to new pointers that are not GTY.
275         (STMT_USE_OPS, NUM_USES, SET_USE_OP, STMT_DEF_OPS, NUM_DEFS, SET_DEF_OP,
276         STMT_V_MAY_DEF_OPS, NUM_V_MAY_DEFS, SET_V_MAY_DEF_RESULT,
277         SET_V_MAY_DEF_OP, STMT_VUSE_OPS, NUM_VUSES, SET_VUSE_OP,
278         STMT_V_MUST_DEF_OPS, NUM_V_MUST_DEFS, SET_V_MUST_DEF_RESULT, 
279         SET_V_MUST_DEF_KILL): Delete.
280         (V_MAY_DEF_OPS, V_MAY_DEF_RESULT_PTR, V_MAY_DEF_RESULT, 
281         V_MAY_DEF_OP_PTR, V_MAY_DEF_OP): Rename to MAYDEF_*.
282         (V_MUST_DEF_OPS, V_MUST_DEF_RESULT_PTR, V_MUST_DEF_RESULT, 
283         V_MUST_DEF_KILL_PTR, V_MUST_DEF_KILL): Rename to MUSTDEF_*.
284         (enum ssa_op_iter_type): Operand iterator typechecking values.
285         (struct ssa_operand_iterator_d): Use linked lists of operands.
286         (SSA_OP_VMUSTDEFKILL): Rename to SSA_OP_VMUSTKILL.
287         (FOR_EACH_SSA_MAYDEF_OPERAND, FOR_EACH_SSA_MUSTDEF_OPERAND,
288         FOR_EACH_SSA_MUST_AND_MAY_DEF_OPERAND): Use op_iter_next_maymustdef.
289         (FOR_EACH_PHI_ARG): New.  Iterate over PHI arguments.
290         (FOR_EACH_PHI_OR_STMT_USE): New.  Iterate over PHI or stmt uses.
291         (FOR_EACH_PHI_OR_STMT_DEF): New.  Iterate over PHI or stmt defs.
292         (SINGLE_SSA_TREE_OPERAND, SINGLE_SSA_USE_OPERAND, 
293         SINGLE_SSA_DEF_OPERAND, ZERO_SSA_OPERANDS, NUM_SSA_OPERANDS): New.
294         * tree-ssa-opfinalize.h: New.  Function templates for expansion.
295         (FINALIZE_ALLOC): Expands into alloc_def, alloc_use, alloc_maydef,
296         alloc_vuse, and alloc_mustdef.
297         (FINALIZE_FUNC): Expands into finalize_ssa_def_ops, 
298         finalize_ssa_use_ops, finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
299         and finalize_ssa_v_must_def_ops.
300         * tree-ssa-pre.c (add_to_sets): Pass tree to vn_add.
301         (create_value_expr_from): Use stmt not vuse_optype as a parameter. Pass
302         stmt around.
303         (compute_avail): Use generic iterator interface.
304         * tree-ssa-propagate.c (first_vdef): Use generic operand interface.
305         (stmt_makes_single_load, stmt_makes_single_store): Use 
306         ZERO_SSA_OPERANDS.
307         * tree-ssa-sink.c (is_hidden_global_store): Use ZERO_SSA_OPERANDS.
308         (statement_sink_location): Use generic interface.
309         * tree-ssa.c (verify_ssa):  Use %p in fprintf.  Use generic interface.
310         (delete_tree_ssa): Don't call release_defs.  Call release_ssa_name and
311         reset the immediate use link nodes.
312         (stmt_references_memory_p): Use ZERO_SSA_OPERANDS.
313         * tree-ssanames.c (make_ssa_name): Use use_operand_p.
314         * tree-tailcall.c (find_tail_calls): Use ZERO_SSA_OPERANDS.
315         (eliminate_tail_call): Use generic operand interface.
316         * tree-vect-analyze.c (vect_analyze_data_refs): Use ZERO_SSA_OPERANDS.
317         (vect_mark_relevant, vect_mark_stmts_to_be_vectorized): Use generic 
318         interface.
319         * tree-vect-transform.c (update_vuses_to_preheader): Use generic 
320         interface.
321         * tree-vectorizer.c (rename_variables_in_bb): Use generic interface.
322         * tree-vn.c (struct val_expr_pair_d): Cache statment pointer instead of
323         vuse_optype.
324         (vn_compute, val_expr_pair_hash, vn_add, vn_lookup, vn_lookup_or_add): 
325         Use statement pointer instead of vuse_optype.  Use generic interface.
326         * tree-vrp.c (maybe_add_assert_expr): Use generic interface.
327         (stmt_interesting_for_vrp, vrp_visit_stmt): Use ZERO_SSA_OPERANDS.
328         * tree.h (struct ssa_imm_use_d): Renamed to ssa_use_operand_d.
329         (tree_ssa_name, phi_arg_d): Use ssa_use_operand_d.
330         * doc/tree-ssa.texi: Update documentation for operand interface.
331
332 2005-05-03  Nathan Sidwell  <nathan@codesourcery.com>
333
334         * config/darwin.c (machopic_define_symbol): Use gcc_assert or
335         gcc_unreachable as appropriate.
336         (machopic_function_base_name, machopic_indirect_data_reference,
337         machopic_legitimize_pic_address, darwin_non_lazy_pcrel): Likewise.
338         * config/host-darwin.c (darwin_gt_pch_use_address): Likewise
339         * config/rs6000/altivec.md (*mov<mode>_internal,
340         build_vector_mask_for_load): Likewise.
341         * config/rs6000/darwin.md (movdf_low_si, movdf_low_di,
342         *call_nonlocal_darwin64, *call_value_nonlocal_darwin64,
343         *sibcall_symbolic_64, *sibcall_value_symbolic_64): Likewise.
344         * config/rs6000/predicates.md (easy_fp_constant,
345         logical_operand): Likewise.
346         * config/rs6000/rs6000.c (spe_expand_predicate_builtin,
347         compute_save_world_info, rs6000_emit_prologue,
348         rs6000_output_mi_thunk): Reword comments to avoid 'abort'.
349         * config/rs6000/host-darwin.c (segv_handler): Use fancy_abort
350         directly.
351
352 2005-05-03  Uros Bizjak  <uros@kss-loka.si>
353
354         PR middle-end/21282
355         * convert.c (convert_to_integer): Convert ceil and floor in
356         c99 mode only.
357
358 2005-04-29  Geoffrey Keating  <geoffk@apple.com>
359
360         PR target/20813
361         * config/rs6000/rs6000.md (floatsidf2_internal): Merge to create
362         define_insn_and_split.  Split only when memory operand is
363         offsettable.  Use adjust_address rather than plus_constant.
364         (floatunssidf2_internal): Likewise.
365         (fix_truncdfsi2_internal): Split only when memory operand is
366         offsettable.  Use adjust_address rather than plus_constant.
367         (fix_trunctfsi2_internal): Likewise.
368         (floatsidf2_internal): Likewise.
369
370 2005-05-02  Diego Novillo  <dnovillo@redhat.com>
371
372         * tree-vrp.c (set_value_range_to_nonnull): Declare inline.
373         (set_value_range_to_null): Likewise.
374         (set_value_range_to_varying): New function.  Use it in all
375         call sites that used to call set_value_range (vr, VR_VARYING, ...).
376         (extract_range_from_assert): If the integral type has a
377         super-type, and LIMIT is not within MIN and MAX values of that
378         type, set the resulting range to VR_VARYING.
379
380 2005-05-02  Hans-Peter Nilsson  <hp@bitrange.com>
381
382         * config/mmix/mmix.opt: New file.
383         * config/mmix/mmix.h: Move options-related comments to mmix.opt.
384         (mmix_cc1_ignored_option): Don't declare.
385         (TARGET_OPTIONS, TARGET_MASK_LIBFUNCS, TARGET_MASK_ABI_GNU)
386         (TARGET_MASK_FCMP_EPSILON, TARGET_MASK_ZERO_EXTEND)
387         (TARGET_MASK_KNUTH_DIVISION, TARGET_MASK_TOPLEVEL_SYMBOLS)
388         (TARGET_MASK_BRANCH_PREDICT, TARGET_MASK_USE_RETURN_INSN)
389         (TARGET_MASK_BASE_ADDRESSES, TARGET_LIBFUNC, TARGET_ABI_GNU,
390         (TARGET_FCMP_EPSILON, TARGET_ZERO_EXTEND, TARGET_KNUTH_DIVISION)
391         (TARGET_TOPLEVEL_SYMBOLS, TARGET_BRANCH_PREDICT)
392         (TARGET_BASE_ADDRESSES, TARGET_USE_RETURN_INSN, TARGET_SWITCHES):
393         Don't define.
394         (TARGET_DEFAULT): Change TARGET_MASK_... to MASK_...
395         * config/mmix/mmix.c (mmix_cc1_ignored_option): Remove.
396         (TARGET_DEFAULT_TARGET_FLAGS): Override default.
397
398 2005-05-02  Joseph S. Myers  <joseph@codesourcery.com>
399
400         PR c/15698
401         * c-tree.h (C_DECL_BUILTIN_PROTOTYPE): New.
402         * c-decl.c (current_function_prototype_built_in,
403         current_function_prototype_arg_types): New.
404         (merge_decls): Keep source location of prototype followed by
405         nonprototype declaration.  Update C_DECL_BUILTIN_PROTOTYPE.
406         (builtin_function): Set C_DECL_BUILTIN_PROTOTYPE.
407         (start_function): Always set current_function_prototype_locus,
408         current_function_prototype_built_in and
409         current_function_prototype_arg_types.  Check for external
410         prototype whether or not visible for external function and set
411         current_function_prototype_arg_types accordingly.
412         (store_parm_decls_oldstyle): Use
413         current_function_prototype_arg_types for checking old-style
414         definition against prototype.  Give warnings only if
415         current_function_prototype_built_in).
416
417 2005-05-02  Daniel Jacobowitz  <dan@codesourcery.com>
418
419         * ggc.h (ggc_alloc_zone_pass_stat): New macro.
420         (ggc_alloc_zone_stat): Don't define.
421         * ggc-zone.c (ggc_alloc_typed_stat, ggc_alloc_stat): Use
422         ggc_alloc_zone_pass_stat.
423         * rtl.c (rtx_alloc_stat, shallow_copy_rtx_stat): Likewise.
424         * tree.c (make_node_stat, copy_node_stat, make_tree_binfo_stat)
425         (make_tree_vec_stat, tree_cons_stat, build1_stat): Likewise.
426
427 2005-05-02  Daniel Jacobowitz  <dan@codesourcery.com>
428
429         * calls.c (expand_call): Handle current_function_pretend_args_size
430         when checking for sibcalls.
431
432 2005-05-02  Kazu Hirata  <kazu@cs.umass.edu>
433
434         PR tree-optimization/21294
435         * tree-vrp.c (vrp_expr_computes_nonzero): New.
436         (extract_range_from_expr): Call vrp_expr_computes_nonzero.
437
438 2005-05-02  Janis Johnson  <janis187@us.ibm.com>
439
440         PR 19985
441         * gcov-io.h: Declare gcov external functions hidden.
442
443 2005-05-02  Kazu Hirata  <kazu@cs.umass.edu>
444
445         * tree-ssa-uncprop.c (equiv_hash_elt, remove_equivalence,
446         record_equiv, tree_ssa_uncprop, uncprop_into_successor_phis):
447         Use VEC instead of VARRAY.
448         (equiv_free): New.
449
450         * tree-ssa-sink.c (nearest_common_dominator_of_uses): Factor
451         out common code.
452
453 2005-05-02  Paolo Bonzini  <bonzini@gnu.org>
454
455         * c-common.c (resolve_overloaded_builtin): Forward to target
456         hook for BUILT_IN_MD built-ins.
457         * c-typeck.c (finish_call_expr): Call resolve_overloaded_builtin
458         for all types of built-in.
459         * target-def.h (TARGET_RESOLVE_OVERLOADED_BUILTIN): New.  Use it
460         in the definition of the target hooks struct.
461         * target.h (struct gcc_target): Add resolve_overloaded_builtin.
462         * config/rs6000/altivec.h: Rewritten.
463         * config/rs6000/rs6000-c.c (struct altivec_builtin_types,
464         altivec_resolve_overloaded_builtin, altivec_build_resolved_builtin,
465         rs6000_builtin_type, rs6000_builtin_type_compatible,
466         altivec_overloaded_builtins, rs6000_builtin_type,
467         rs6000_builtin_type_compatible): New.
468         * config/rs6000/rs6000.c (rs6000_builtin_types, rs6000_builtin_decls):
469         New.
470         (def_builtin): Turn into a function.  Check for duplicates and store
471         the builtin into rs6000_builtin_decls.
472         (bdesc_3arg, bdesc_dst, bdesc_altivec_preds, bdesc_2arg,
473         bdesc_1arg): Add overloaded builtins.
474         (altivec_expand_builtin): Check for unresolved overloaded builtins,
475         do not support ALTIVEC_COMPILETIME_ERROR.
476         (rs6000_init_builtins): Add opaque 128-bit vector, and internal
477         nodes to represent front-end types.
478         (altivec_init_builtins, rs6000_common_init_builtins): Create builtins
479         with opaque arguments and/or return values.
480         * config/rs6000/rs6000.h (enum rs6000_builtins): Remove
481         ALTIVEC_COMPILETIME_ERROR and add Altivec overloaded builtins.
482         (rs6000_builtin_type_index): New.
483         (is_ev64_opaque_type): Rename to...
484         (rs6000_is_opaque_type): ... this.
485         (rs6000_cpu_cpp_builtins): Install the resolve_overloaded_builtin
486         target hook.
487
488 2005-05-02  Kazu Hirata  <kazu@cs.umass.edu>
489
490         * function.c (reorder_blocks, reorder_blocks_1): Use VEC
491         instead of VARRAY.
492
493 2005-05-02  Nathan Sidwell  <nathan@codesourcery.com>
494             Bernd Schmidt  <bernd.schmidt@analog.com>
495
496         * config/bfin/bfin.c (emit_link_insn, effective_address_32bit_p,
497         print_address_operand, print_operand, legitimize_pic_address,
498         asm_conditional_branch, bfin_gen_compare, output_push_multiple,
499         output_pop_multiple): Use gcc_assert or gcc_unreachable as
500         appropriate.
501         * config/bfin/bfin.md (movsf splitter, beq, bne): Likewise.
502
503 2005-05-02  Dorit Naishlos  <dorit@il.ibm.com>
504
505         * doc/passes.texi: Document vectorization pass.
506
507 2005-05-02  Kazu Hirata  <kazu@cs.umass.edu>
508
509         * tree-scalar-evolution.c (get_exit_conditions_rec,
510         select_loops_exit_conditions,
511         number_of_iterations_for_all_loops,
512         analyze_scalar_evolution_for_all_loop_phi_nodes,
513         scev_analysis): Use VEC instead of VARRAY.
514
515 2005-05-02  Michael Matz  <matz@suse.de>
516
517         PR c++/19542
518         * c-common.c (c_common_nodes_and_builtins): Create global null_node.
519         (warn_strict_null_sentinel): Define.
520         (check_function_sentinel): Check for null_node as valid sentinel too.
521         * c-common.h (c_tree_index): Added CTI_NULL.
522         (null_node) Define global_tree[CTI_NULL].
523         (warn_strict_null_sentinel): Declare.
524         * c-opts.c: (c_common_handle_option): Handle -Wstrict-null-sentinel.
525         * c.opt: (Wstrict-null-sentinel): New C++ option.
526         * doc/invoke.texi (C++ Options): Document -Wstrict-null-sentinel.
527
528 2005-05-01  Kazu Hirata  <kazu@cs.umass.edu>
529
530         * gimplify.c (gimplify_compound_lval): Use VEC instead of
531         VARRAY.
532
533         * global.c (calculate_reg_pav): Use VEC instead of VARRAY.
534
535         * dwarf2out.c (decl_scope_table, push_decl_scope,
536         pop_decl_scope, scope_die_for, dwarf2out_init): Use VEC
537         instead of VARRAY.
538
539 2005-05-01  Mark Mitchell  <mark@codesourcery.com>
540
541         PR C++/14391
542         * c-cppbuiltin.c (c_cpp_builtins): Do not define __GXX_WEAK__ to 1
543         if !flag_weak.
544         * doc/cpp.texi (__DEPRECATED): Document.
545         (__EXCEPTIONS): Likewise.
546         (__GXX_WEAK__): Likewise.
547
548         * function.c (INVOKE__main): Do not define.
549         (expand_main_function): Check HAS_INIT_SECTION when determining
550         whether or not to call __main.
551
552 2005-05-01  Kazu Hirata  <kazu@cs.umass.edu>
553
554         * tree-ssa-loop-ivopts.c: Fix a comment typo.
555
556 2005-01-05  Paul Brook  <paul@codesourcery.com>
557
558         * config/arm/arm.h (ARM_EMIT_TRAMPOLINE_CACHE_CLEAR): Define.
559         (INITIALIZE_TRAMPOLINE): Use it.
560         * config/arm/linux-gas.h (INITIALIZE_TRAMPOLINE): Remove.
561         * config/arm/netbsd.h (INITIALIZE_TRAMPOLINE): Remove.
562         * config/arm/netbsd-elf.h (INITIALIZE_TRAMPOLINE): Remove.
563
564 2005-05-01  Gerald Pfeifer  <gerald@pfeifer.com>
565
566         * doc/install.texi (Specific): Omit dots in the @anchors names
567         for i?86-*-sco3.2v5*, i?86-*-solaris2.10, and sparc-sun-solaris2.7.
568         Omit underscores for x86_64-*-* and the "all ELF targets" entry.
569
570 2005-05-01  Zdenek Dvorak  <dvorakz@suse.cz>
571
572         PR tree-optimization/18316
573         PR tree-optimization/19126
574         * tree.c (build_int_cst_type): Avoid shift by size of type.
575         * tree-scalar-evolution.c (simple_iv): Add allow_nonconstant_step
576         argument.
577         * tree-scalar-evolution.h (simple_iv): Declaration changed.
578         * tree-ssa-loop-ivopts.c (struct iv_cand): Add depends_on
579         field.
580         (dump_cand): Dump depends_on information.
581         (determine_biv_step): Add argument to simple_iv call.
582         (contains_abnormal_ssa_name_p): Handle case expr == NULL.
583         (find_bivs, find_givs_in_stmt_scev): Do not require step to be a
584         constant.
585         (add_candidate_1): Record depends_on for candidates.
586         (tree_int_cst_sign_bit, constant_multiple_of): New functions.
587         (get_computation_at, get_computation_cost_at, may_eliminate_iv):
588         Handle ivs with nonconstant step.
589         (iv_ca_set_remove_invariants, iv_ca_set_add_invariants): New functions.
590         (iv_ca_set_no_cp, iv_ca_set_cp): Handle cand->depends_on.
591         (create_new_iv): Unshare the step before passing it to create_iv.
592         (free_loop_data): Free cand->depends_on.
593         (build_addr_strip_iref): New function.
594         (find_interesting_uses_address): Use build_addr_strip_iref.
595         (strip_offset_1): Split the recursive part from strip_offset.
596         Strip constant offset component_refs and array_refs.
597         (strip_offset): Split the recursive part to strip_offset_1.
598         (add_address_candidates): Removed.
599         (add_derived_ivs_candidates): Do not use add_address_candidates.
600         (add_iv_value_candidates): Add candidates with stripped constant
601         offset.  Consider all candidates with initial value 0 important.
602         (struct affine_tree_combination): New.
603         (aff_combination_const, aff_combination_elt, aff_combination_scale,
604         aff_combination_add_elt, aff_combination_add,
605         tree_to_aff_combination, add_elt_to_tree, aff_combination_to_tree,
606         fold_affine_sum): New functions.
607         (get_computation_at): Use fold_affine_sum.
608         * tree-ssa-loop-manip.c (create_iv): Handle ivs with nonconstant step.
609         * tree-ssa-loop-niter.c (number_of_iterations_exit): Add argument
610         to simple_iv call.
611
612 2005-04-30  Michael Matz  <matz@suse.de>
613
614         * config/i386/i386.md (movmemsi): Also active when
615         TARGET_INLINE_ALL_STRINGOPS.
616
617 2005-04-30  Eric Botcazou  <ebotcazou@libertysurf.fr>
618
619         PR bootstrap/20633
620         * config/freebsd-spec.h (FBSD_CPP_SPEC): Add %(cpp_arch).
621
622 2005-04-30  Paul Brook  <paul@codesourcery.com>
623
624         * config/arm/bpabi.h (RENAME_LIBRARY_SET): Always use .thumb_set in
625         thumb mode.
626         * config/arm/ieee754-df.S: Use __INTERWORKING_STUBS__.
627         * config/arm/ieee754-sf.S: Ditto.
628         * config/arm/lib1funcs.asm: Define and use __INTERWORKING_STUBS__.
629         (FUNC_ALIAS): Use .thumb_set for thumb routines.
630
631 2005-04-30  Kazu Hirata  <kazu@cs.umass.edu>
632
633         * tree-ssanames.c: Fix a comment typo.
634         * doc/options.texi: Fix a typo.
635
636 2005-04-30  Nathan Sidwell  <nathan@codesourcery.com>
637
638         * config/h8300/h8300.c (byte_reg): Use gcc_assert and
639         gcc_unreachable as appropriate.
640         (split_adds_subs, cond_string, print_operand,
641         h8300_initial_elimination_offset, h8300_classify_operand,
642         h8300_unary_length, h8300_short_immediate_length,
643         h8300_bitfield_length, h8300_binary_length,
644         h8300_insn_length_from_table, compute_mov_length, output_plussi,
645         compute_plussi_length, compute_plussi_cc, output_logical_op,
646         compute_logical_op_length, compute_logical_op_cc,
647         output_h8sx_shift, get_shift_alg, h8300_shift_needs_scratch_p,
648         output_a_shift, compute_a_shift_length, compute_a_shift_cc,
649         output_a_rotate, compute_a_rotate_length, fix_bit_operand,
650         h8300_regs_ok_for_stm): Likewise.
651         * config/h8300/h8300.md (*movsi_h8300, *movsf_h8300,
652         monitor_prologue): Likewise.
653
654 2005-04-30  Kazu Hirata  <kazu@cs.umass.edu>
655
656         * loop-invariant.c (invariants, create_new_invariant,
657         get_inv_cost, best_gain_for_invariant,
658         find_invariants_to_move, move_invariants,
659         init_inv_motion_data, free_inv_motion_data): Use VEC instead
660         of VARRAY.
661
662 2005-04-29  Richard Henderson  <rth@redhat.com>
663
664         * function.c (instantiate_decls): Remove valid_only argument.
665         (instantiate_decls_1, instantiate_decl): Likewise.
666         (instantiate_virtual_regs_1): Delete.
667         (instantiate_virtual_regs_lossage): Delete.
668         (instantiate_virtual_regs_in_rtx): New.
669         (safe_insn_predicate): New.
670         (instantiate_virtual_regs_in_insn): New.
671         (instantiate_virtual_regs): Update to match all that.  Only run
672         instantiate_decls once.
673
674 2005-04-29  Richard Henderson  <rth@redhat.com>
675             Daniel Jacobowitz  <dan@codesourcery.com>
676
677         * gengtype.c (write_func_for_structure): Split out ...
678         (output_type_enum): ... new function.  Fix thinko accessing
679         TYPE_PARAM_STRUCT data.
680
681 2005-04-29  Tom Tromey  <tromey@redhat.com>
682
683         * tree.c (build_block): Removed unused 'tags' argument.
684         * tree.h (build_block): Removed argument.
685
686 2005-04-29  Michael Matz  <matz@suse.de>
687
688         PR rtl-optimization/21144
689         * postreload.c (reload_cse_move2add): Check for VOIDmode.
690
691 2005-04-29  Bob Wilson  <bob.wilson@acm.org>
692
693         * config/xtensa/xtensa.h (OPTIMIZATION_OPTIONS): Define to disable
694         flag_reorder_blocks.
695
696 2005-04-28  Kazu Hirata  <kazu@cs.umass.edu>
697
698         PR tree-optimization/21030
699         * tree-vrp.c (adjust_range_with_scev): Do not create invalid
700         ranges where VR->MAX is smaller than VR->MIN.
701
702 2005-04-29  Devang Patel  <dpatel@apple.com>
703
704         PR tree-optimization/21272
705         PR tree-optimization/21266
706         * tree-if-conv.c (find_phi_replacement_condition): Fix think-o.
707         
708 2005-04-29  Kazu Hirata  <kazu@cs.umass.edu>
709
710         * tree-flow-inline.h: Fix a comment typo.
711         * doc/tree-ssa.texi: Fix a typo.
712
713         * tree-flow-inline.h, tree-ssa-operands.c: Fix comment typos.
714
715 2005-04-29  Nathan Sidwell  <nathan@codesourcery.com>
716
717         * config/fr30/fr30.c (fr30_expand_prologue): Use gcc_assert and
718         gcc_unreachable as appropriate.
719         (fr30_expand_epilogue, fr30_setup_incoming_varargs,
720         fr30_print_operand, fr30_move_double): Likewise.
721         * config/fr30/fr30.md (*movsi_internal, *movsf_internal): Likewise.
722
723 2005-04-29  Mark Mitchell  <mark@codesourcery.com>
724
725         * config/arm/arm.h (ARM_EABI_CTORS_SECTION_OP): Do not define if a
726         definition has already been provided.
727         (ARM_EABI_DTORS_SECTION_OP): Likewise.
728         * config/arm/symbian.h (ARM_EABI_CTORS_SECTION_OP): Define.
729         (ARM_EABI_DTORS_SECTION_OP): Likewise.
730
731 2005-04-29  Jim Tison  <jtison@us.ibm.com>
732
733         * config/s390/s390.md ("prologue_tpf", "epilogue_tpf"): Alter
734         trace hooks calls to improve performance.
735
736 2005-04-29  Julian Brown  <julian@codesourcery.com>
737             Mark Mitchell  <mark@codesourcery.com>
738             Paul Brook  <paul@codesourcery.com>
739
740         * crtstuff.c: Handle targets that use .init_array.
741         * function.c (HAS_INIT_SECTION): Do not define. Instead, make sure
742         that INVOKE__main is set correctly.
743         (expand_main_function): Test INVOKE__main.
744         * libgcc2.c: Do not define __main when using .init_array.
745         * config/arm/arm.c (arm_elf_asm_constructor): New function.
746         * config/arm/arm.h (CTORS_SECTION_ASM_OP): Define, with specialized
747         libgcc version.
748         (DTORS_SECTION_ASM_OP): Likewise.
749         (CTOR_LIST_BEGIN): Define specially when in libgcc.
750         (CTOR_LIST_END): Likewise.
751         (DTOR_LIST_BEGIN): Likewise.
752         (DTOR_LIST_END): Likewise.
753         * config/arm/bpapi.h (INIT_SECTION_ASM_OP): Do not define it.
754         (FINI_SECTION_ASM_OP): Likewise.
755         (INIT_ARRAY_SECTION_ASM_OP): Define.
756         (FINI_ARRAY_SECTION_ASM_OP): Likewise.
757         * config/arm/elf.h (TARGET_ASM_CONSTRUCTOR): Define.
758         (SUPPORTS_INIT_PRIORITY): Evaluate to false for EABI based targets.
759         * doc/tm.texi (INIT_ARRAY_SECTION_ASM_OP): Document.
760         (FINI_ARRAY_SECTION_ASM_OP): Likewise.  
761
762 2005-04-29  Nathan Sidwell  <nathan@codesourcery.com>
763
764         * config/m68k/m68k.c (m68k_initial_elimination_offset): Use
765         gcc_assert and gcc_unreachable as appropriate.
766         (output_dbcc_and_branch, output_scc_di, legitimize_pic_address,
767         const_int_cost, output_move_const_into_data_reg,
768         output_move_qimode, output_move_double, find_addr_reg,
769         print_operand, print_operand_address): Likewise.
770         * config/m68k/m68k.md (adddi3, subdi3, negsf2, negdf2, abssf2,
771         absdf2, sordered, sunordered, suneq, sunge, sungt, sunle, sunlt,
772         sltgt, bordered, bunordered, buneq, bunge, bungt, bunle, bunlt,
773         bltgt, *bordered_rev, *bunordered_rev, *buneq_rev, *bunge_rev,
774         *bunle_rev, *bunlt_rev, *bltgt_rev, negxf2, absxf2,
775         conditional_trap): Likewise.
776         * config/m68k/m68kelf.h (ASM_OUTPUT_ALIGN): Remove unreachable code.
777
778 2005-04-29  Nathan Sidwell  <nathan@codesourcery.com>
779
780         * config/xtensa/xtensa.c (gen_int_relational): Use gcc_assert and
781         gcc_unreachable as appropriate.
782         (gen_conditional_move, xtensa_split_operand_pair,
783         xtensa_split_operand_pair, xtensa_copy_incoming_a7,
784         xtensa_copy_incoming_a7, xtensa_copy_incoming_a7,
785         xtensa_copy_incoming_a7, xtensa_output_literal,
786         xtensa_output_literal, xtensa_output_literal): Likewise.
787         * config/xtensa/xtensa.h (INITIAL_ELIMINATION_OFFSET): Likewise.
788         * config/xtensa/xtensa.md (*btrue, *bfalse, *ubtrue, *ubfalse,
789         *bittrue, *bitfalse, *masktrue, *maskfalse, movsicc_internal0,
790         movsicc_internal1, movsfcc_internal0,
791         movsfcc_internal1): Likewise.
792
793 2005-04-28  James E Wilson  <wilson@specifixinc.com>
794
795         * config/i386/i386.h (HI_REGISTER_NAMES): Fix typos in comment.
796         (ADDITIONAL_REGISTER_NAMES): Delete obsolete mmx register entries.
797
798 2005-04-28  DJ Delorie  <dj@redhat.com>
799
800         * opt-functions.awk (var_set): Emit proper initializer for
801         non-target bitfields.
802
803 2005-04-28  Devang Patel  <dpatel@apple.com>
804
805         * dbxout.c (have_used_extensions): Remove.
806         (dbxout_type_fileds, dbxout_type, dbxout_symbol): Remove use of
807         have_used_extensions.
808         
809 2005-04-28  James E Wilson  <wilson@specifixinc.com>
810
811         * doc/install.texi: Update -enable-languages info.  Correct path to
812         html docs.
813
814 2005-04-28  DJ Delorie  <dj@redhat.com>
815
816         * optc-gen.awk (END): Make sure no variable is defined more
817         than once.
818         * opth-gen.awk (END): Allocate bits on a per-variable basis.
819         Allow for bitfield variables other than target_flags.
820         * doc/options.text (Mask): Document that you may specify a
821         variable other than target_flags.
822
823 2005-04-28  Martin Koegler <mkoegler@auto.tuwien.ac.at>
824
825         PR rtl-optimization/18877
826         * reload.c (decompose) <case REG, case SUBREG>: Handle pseudo reg
827         number in val.start.
828
829 2005-04-28  David Edelsohn  <edelsohn@gnu.org>
830
831         PR target/20813
832         * config/rs6000/aix43.h (SUBSUBTARGET_SWITCHES, aix64): Add
833         MASK_PPC_GFXOPT.
834         * config/rs6000/aix51.h (SUBSUBTARGET_SWITCHES, aix64): Same.
835         * config/rs6000/aix52.h (SUBSUBTARGET_SWITCHES, aix64): Same.
836         * config/rs6000/sysv4.h (SUBTARGET_SWITCHES, 64): Same.
837
838 2005-04-28  Richard Earnshaw  <richard.earnshaw@arm.com>
839
840         * arm.c (legitimize_pic_address): Fix sense of assertion test for
841         creating pseudos when the base offset is too large.
842
843 2005-04-28  Kazu Hirata  <kazu@cs.umass.edu>
844
845         * global.c (earlyclobber_regclass): Change the type to
846         VEC(int,heap).
847         (check_earlyclobber): Update uses of earlyclobber_regclass.
848         (mark_reg_use_for_earlyclobber): Likewise.
849         (calculate_local_reg_bb_info): Allocate and free
850         earlyclobber_regclass using the VEC API.
851
852 2005-04-28  Nathan Sidwell  <nathan@codesourcery.com>
853
854         * tree-ssa-alias.c (push_fields_onto_fieldstack): Remove bogus
855         assert.
856
857 2005-04-28  Kazu Hirata  <kazu@cs.umass.edu>
858
859         * modulo-sched.c, tree-stdarg.c: Use targetm.foo instead of
860         (*targetm.foo).
861
862         * config.gcc: Obsolete c4x-* and tic4x-*.
863
864         * tree.h (edge_def): Remove.
865
866         * bt-load.c, cfgexpand.c, dwarf2out.c, emit-rtl.c, expr.c,
867         function.c, global.c, lcm.c, loop-invariant.c, optabs.c,
868         reorg.c, resource.c, tree-ssa-loop-ivopts.c, value-prof.c: Use
869         JUMP_P, LABEL_P, REG_P, MEM_P, NONJUMP_INSN_P, and INSN_P
870         where appropriate.
871
872         * attribs.c, c-pragma.c, caller-save.c, cfghooks.h,
873         coverage.c, cselib.h, domwalk.c, domwalk.h, errors.c,
874         errors.h, gcov-dump.c, gcov-io.c, gcov-io.h, gen-protos.c,
875         genattrtab.h, genextract.c, gthr-win32.h, insn-notes.def,
876         integrate.c, lambda-mat.c, lambda.h, libgcov.c, local-alloc.c,
877         machmode.def, mips-tfile.c, params.c, pretty-print.c,
878         print-rtl.c, protoize.c, regmove.c, sched-vis.c, tree-chrec.h,
879         tree-data-ref.h, vec.h, config/darwin-c.c, config/sol2-c.c,
880         config/sol2.c, config/arm/arm-cores.def, config/arm/cirrus.md,
881         config/arm/symbian.h, config/c4x/c4x.c, config/c4x/c4x.h,
882         config/i386/cygming.h, config/i386/djgpp.h,
883         config/i386/lynx.h, config/i386/netware.c,
884         config/i386/winnt.c, config/ia64/ia64-c.c,
885         config/iq2000/iq2000.c, config/m32r/little.h,
886         config/m68k/m68k-protos.h, config/m68k/m68k.h,
887         config/m68k/m68k.md, config/mcore/mcore.c,
888         config/mcore/mcore.h, config/mmix/mmix.c, config/mmix/mmix.md,
889         config/mn10300/mn10300-protos.h, config/mn10300/mn10300.c,
890         config/mn10300/mn10300.h, config/ns32k/netbsd.h,
891         config/ns32k/ns32k.c, config/ns32k/ns32k.h,
892         config/pa/pa-hpux11.h, config/pdp11/pdp11.c,
893         config/pdp11/pdp11.h, config/rs6000/darwin.h,
894         config/rs6000/default64.h, config/rs6000/rs6000-c.c,
895         config/s390/2064.md, config/s390/2084.md,
896         config/s390/s390-modes.def, config/s390/s390-protos.h,
897         config/s390/tpf.h, config/sh/sh.h, config/sh/symbian.c,
898         config/stormy16/stormy16.c, config/vax/vax-protos.h,
899         config/vax/vax.c, config/vax/vax.h,
900         config/xtensa/lib1funcs.asm, config/xtensa/xtensa.md: Update
901         copyright.
902
903 2005-04-28  Joseph S. Myers  <joseph@codesourcery.com>
904
905         * c-typeck.c (build_compound_expr): Correct logic in last change.
906
907 2005-04-27  James E. Wilson  <wilson@specifixinc.com>
908
909         * config/ia64/ia64.c (update_set_flags): Delete ppred and pcond
910         parameters.  Replace conditional move code with assert checking for
911         ar.lc.  Delete obsolete comments.
912         (set_src_needs_barrier): Delete cond parameter, and code using it.
913         (rtx_needs_barrier): Delete initialization of cond.  Fix typo in
914         assert checking for PR_REGS.  Fix calls to update_set_flags and
915         set_src_needs_barrier.
916         (group_barrier_needed): Renamed from group_barrier_needed_p.  Fix all
917         callers.  Rewrite explanatory comment before the function.
918         (safe_group_barrier_needed): Renamed from safe_group_barrier_needed_p.
919         Fix all callers.
920
921 2005-04-27  Mike Stump  <mrs@apple.com>
922
923         * doc/cpp.texi: gcc now implements universal character names.
924
925 2005-04-27  Joseph S. Myers  <joseph@codesourcery.com>
926
927         PR c/21159
928         * c-typeck.c (build_compound_expr): Don't warn for left-hand side
929         being a compound expression whose right-hand side is cast to void.
930
931 2005-04-27  Caroline Tice  <ctice@apple.com>
932
933         * bb-reorder.c (find_rarely_executed_basic_blocks_and_crossing_edges):
934         Remove targetm.have_named_sections test.
935         (fix_edges_for_rarely_executed_code): Likewise.
936         (insert_section_boundary_note): Likewise.
937         (reorder_basic_blocks): Check partitioning flag before calling
938         verify_hot_cold_block_grouping.
939         * dbxout.c (dbxout_function_end): Get hot/cold section labels from
940         the function struct rather than global variables.
941         * dwarf2out.c (COLD_TEXT_SECTION_LABEL): New macro.
942         (COLD_END_LABEL): Likewise
943         (cold_text_section_label): New static global variable.
944         (cold_end_label): Likewise.
945         (dwarf2out_switch_text_section): Get hot/cold section labels from
946         the function struct rather than global variables; test to make sure
947         cfun is defined.
948         (output_aranges): Use cold_text_section_label and cold_end_label;
949         check partitioning flag before putting out delta.
950         (output_ranges): Remove incorrect code attempting to use
951         hot/cold labels.
952         (output_line_info): Get cold section label from function struct; test
953         to make sure cfun is defined.
954         (add_location_or_const_value_attribute): Likewise.
955         (dwarf2out_var_location): Likewise.
956         (dwarf2out_init): Generate cold_text_section_label and cold_end_label;
957         write out cold_text_section_label if partition flag is set.
958         (dwarf2out_finish): Write out cold_end_label if partition flag is set;
959         * function.h (struct function): Add new fields to point to hot/cold
960         section labels: hot_section_label, cold_section_label,
961         hot_section_end_label and cold_section_end_label; also add new field
962         for cold text section name, unlikely_text_section_name.
963         * opts.c (decode_options): Turn off partitioning flag if
964         !targetm.have_named_sections.
965         * output.h (hot_section_label): Remove.
966         (hot_section_end_label): Remove.
967         (cold_section_end_label): Remove.
968         (unlikely_section_label): Remove.
969         (unlikely_text_section_name): Remove.
970         * passes.c (rest_of_handle_final):  Remove extra blank line.
971         * varasm.c (unlikely_section_label): Remove.
972         (hot_section_label): Remove.
973         (hot_section_end_label): Remove.
974         (cold_section_end_label): Remove.
975         (unlikely_text_section_name):  Remove.
976         (initialize_cold_section_name): Modify to call
977         targetm.strip_name_encoding; to store cold section name in current
978         function struct, if it exists; and to only use the decl_section_name
979         if flag_named_sections is true.
980         (unlikely_text_section): Modify to get section name out of current
981         function struct, if there is one; otherwise build it from
982         UNLIKELY_EXECUTED_TEXT_SECTION_NAME.
983         (in_unlikely_text_section): Likewise.
984         (named_section): Modify to get/put cold section name in current function
985         struct, if there is one.
986         (function_section):  Change 'bool unlikely' to 'int reloc'; check
987         targetm.have_named_sections before calling named_section.
988         (current_function_section): Likewise.
989         (assemble_start_function): Modify to get/put unlikely_text_section_name
990         in current function struct; modify to get hot/cold section labels
991         from function struct; initialize labels using
992         ASM_GENERATE_INTERNAL_LABEL;
993         test partitioning flag before writing out hot section label.
994         (assemble_end_function): Test partitioning flag before writing out
995         hot/cold section labels.
996         (default_section_type_flags_1):  Get cold text section name from
997         function struct if there is one; Set flags correctly for
998         cold text section if there is not a current function struct.
999         
1000 2005-04-27  Richard Guenther  <rguenth@gcc.gnu.org>
1001
1002         * tree-ssa-propagate.c (set_rhs): Revert last change.
1003
1004 2005-04-27  Steve Ellcey  <sje@cup.hp.com>
1005
1006         * explow.c (convert_memory_address): Add gcc_assert.
1007
1008 2005-04-27  Mark Mitchell  <mark@codesourcery.com>
1009
1010         * configure.ac: Check for ld --sysroot support.
1011         * gcc.c: Document %R specifier for specs.
1012         (SYSROOT_SPEC): New macro.
1013         (sysroot_spec): New variable.
1014         (static_specs): Add sysroot_spec.
1015         (main): Pass the sysroot spec to the linker if appropriate.
1016         * configure: Regenerated.
1017         * config.in: Likewise.
1018
1019 2005-04-27  Richard Guenther  <rguenth@gcc.gnu.org>
1020
1021         * fold-const.c (fold_binary): Use build_fold_addr_expr
1022         for address calculation and INDIRECT_REF handling.
1023
1024 2005-04-27  Andrew Haley  <aph@redhat.com>
1025
1026         * postreload-gcse.c (hash_scan_set): Remove bogus assertion.
1027
1028 2005-04-27  Nathan Sidwell  <nathan@codesourcery.com>
1029
1030         * config/arm/arm.h (CONDITIONAL_REGISTER_USAGE): Reserve arm frame
1031         pointer when thumb backtracing is on.
1032
1033         * config/fp-bit.c (abort): Revert change.
1034
1035 2005-04-27  Ian Lance Taylor  <ian@airs.com>
1036
1037         * c-semantics.c (add_stmt): Don't test STATEMENT_CODE_P.
1038
1039 2005-04-27  Kazu Hirata  <kazu@cs.umass.edu>
1040
1041         * tree-ssa-dce.c: Fix a comment typo.
1042
1043 2005-04-27  David S. Miller  <davem@davemloft.net>
1044
1045         * explow.c (allocate_dynamic_stack_space SETJMP_VIA_SAVE_AREA):
1046         Kill setjmpless_size.  current_function_calls_setjmp is completely
1047         computed when we are called, so just use the optimized size value
1048         instead of using REG_SAVE_AREA notes.
1049         (optimize_save_area_alloca): Delete....
1050         * rtl.h (optimize_save_area_alloca): Likewise...
1051         * passes.c (rest_of_compilation): and don't call it any more.
1052         * reg-notes.def (SAVE_AREA): Delete.
1053         
1054 2005-04-27  Nathan Sidwell  <nathan@codesourcery.com>
1055
1056         * config/fp-bit.c (abort): Add noreturn attribute.
1057
1058         * config/avr/avr.c (avr_naked_function_p): Use gcc_assert and
1059         gcc_unreachable as appropriate.
1060         (ptrreg_to_str, cond_string, avr_normalize_condition): Likewise.
1061         * config/avr/avr.h (ASM_OUTPUT_REG_PUSH,
1062         ASM_OUTPUT_REG_POP): Likewise.
1063
1064 2005-04-27  Paolo Bonzini  <bonzini@gnu.org>
1065
1066         * tree-complex.c (expand_vector_operations_1): Do not build
1067         VIEW_CONVERT_EXPR's for the lhs.
1068
1069 2005-04-27  Nathan Sidwell  <nathan@codesourcery.com>
1070
1071         * config/pa/pa.h (PRINT_OPERAND_ADDRESS): Use gcc_assert, remove
1072         unnecessary noncanonical RTL handling.
1073         * config/pa/pa64-linux.h (INITIAL_ELIMINATION_OFFSET): Use
1074         gcc_assert and gcc_unreachable.
1075
1076         * config/arm/arm.h (ARM_PRINT_OPERAND_ADDRESS): Use gcc_assert and
1077         gcc_unreachable as appropriate.
1078         (THUMB_PRINT_OPERAND_ADDRESS): Likewise.
1079         * config/arm/arm.c (arm_override_options, arm_compute_func_type,
1080         use_return_insn, const_ok_for_op, arm_gen_constant,
1081         arm_canonicalize_comparison, legitimize_pic_address,
1082         thumb_find_work_register, arm_load_pic_register, arm_rtx_costs_1,
1083         arm_cirrus_insn_p, cirrus_reorg, minmax_code,
1084         load_multiple_sequence, emit_ldm_seq, store_multiple_sequence,
1085         emit_stm_seq, arm_gen_movmemqi, arm_select_dominance_cc_mode,
1086         arm_select_cc_mode, arm_reload_in_hi, arm_reload_out_hi,
1087         move_minipool_fix_forward_ref, move_minipool_fix_backward_ref,
1088         dump_minipool, create_fix_barrier, push_minipool_fix, arm_reorg,
1089         fp_immediate_constant, fp_const_from_val, vfp_output_fstmx,
1090         output_call, output_mov_long_double_fpa_from_arm,
1091         output_mov_long_double_arm_from_fpa,
1092         output_mov_double_fpa_from_arm, output_mov_double_arm_from_fpa,
1093         output_move_double, arithmetic_instr, shift_op, int_log2,
1094         output_return_instruction, arm_output_function_prologue,
1095         arm_output_epilogue, arm_output_function_epilogue,
1096         emit_multi_reg_push, arm_get_frame_offsets,
1097         arm_compute_initial_elimination_offset, arm_expand_prologue,
1098         arm_print_operand, arm_assemble_integer, get_arm_condition_code,
1099         arm_final_prescan_insn, arm_init_iwmmxt_builtins,
1100         arm_expand_binop_builtin, thumb_pushpop, thumb_far_jump_used_p,
1101         thumb_compute_initial_elimination_offset,
1102         thumb_output_function_prologue, thumb_load_double_from_address,
1103         thumb_output_move_mem_multiple, thumb_reload_out_hi,
1104         arm_emit_vector_const, arm_dbx_register_number): Likewise.
1105         * config/arm/pe.c (arm_mark_dllexport, arm_mark_dllimport): Likewise.
1106         * config/arm/arm.md (thumb_extendhisi2,
1107         *thumb_extendhisi2_insn_v6, *thumb_extendqisi2,
1108         *thumb_extendqisi2_v6, movhi, *thumb_movhi_insn,
1109         thumb_movhi_clobber, movqi, *arm_buneq, *arm_bltgt,
1110         *arm_buneq_reversed, *arm_bltgt_reversed, suneq, sltgt): Likewise.
1111         * config/arm/cirrus.md (*cirrus_arm_movdi,
1112         *cirrus_movdf_hard_insn): Likewise.
1113         * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
1114
1115 2005-04-27  Kazu Hirata  <kazu@cs.umass.edu>
1116
1117         * tree-flow.h (ssa_names): Change the type to VEC(tree,gc).
1118         (num_ssa_names): Use VEC_length.
1119         (ssa_names): Use VEC_index.
1120         * tree-ssanames.c (ssa_names): Change the type to
1121         VEC(tree,gc).
1122         (init_ssanames, fini_ssa_names, make_ssanames,
1123         release_ssa_name): Update uses of ssa_names.
1124
1125         * dojump.c, emit-rtl.c, expmed.c, expr.c, stmt.c, stor-layout.c:
1126         Use fold_buildN instead of fold (buildN (...)).
1127
1128 2005-04-27  Devang Patel <dpatel@apple.com>
1129
1130         * dbxout.c (dbxout_type): Check use_gnu_debug_info_extensions.
1131
1132 2005-04-27  Matt Thomas <matt@3am-software.com>
1133             Jan-Benedict Glaw <jbglaw@microdata-pos.de>
1134
1135         * config/vax/vax.c (vax_rtx_costs): Whitespace cleanup.
1136         (vax_output_mi_thunk): Ditto.
1137         (vax_notice_cc_update): Ditto.
1138         (INDEX_REGISTER_P): Add trailing \.
1139         (BASE_REGISTER_P): Add trailing \.
1140         (legitimate_address_p): Whitespace cleanup.  Remove trailing \.
1141
1142 2005-04-27  Richard Guenther  <rguenth@gcc.gnu.org>
1143
1144         * tree-ssa-propagate.c (set_rhs): Check operand of
1145         ADDR_EXPR for gimpliness, too.
1146
1147 2005-04-27  Kazu Hirata  <kazu@cs.umass.edu>
1148
1149         * tree-ssa-pre.c: Fix a comment typo.
1150
1151 2005-04-27  Zdenek Dvorak  <dvorakz@suse.cz>
1152
1153         PR tree-optimization/21171
1154         * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not
1155         record address uses if the reference is volatile.
1156
1157 2004-04-27  Paolo Bonzini  <bonzini@gnu.org>
1158
1159         * tree-complex.c (expand_vector_operation): New, extracted from
1160         expand_vector_operations_1.
1161         (tree_vec_extract): Build a NOP_EXPR.
1162         (expand_vec_parallel): Do not care about returning the correct type.
1163         (expand_vector_operations_1): Call expand_vector_operation.
1164         Build the VIEW_CONVERT_EXPR on the left side of MODIFY_EXPRs.
1165
1166         * tree-complex.c (gate_expand_vector_operations): New.
1167         (pass_lower_vector_ssa): Use it.
1168         * tree-optimize.c (init_tree_optimization_passes): Include
1169         pass_lower_vector_ssa.
1170         * tree-vect-transform.c (vect_min_worthwhile_factor): New.
1171         (vectorizable_operation): Use it.
1172         * tree-vectorizer.c (get_vectype_for_scalar_type): Accept
1173         integer modes for the vector type.
1174
1175         * defaults.h (UNITS_PER_SIMD_WORD): Default to UNITS_PER_WORD.
1176         * tree-vect-analyze.c (vect_enhance_data_refs_alignment):
1177         Do not cope with UNITS_PER_SIMD_WORD == 0.
1178         * tree-vectorizer.c (get_vectype_for_scalar_type): Check
1179         if the scalar type is not bigger than UNITS_PER_SIMD_WORD.
1180         (vectorize_loops): Do not check that UNITS_PER_SIMD_WORD > 0.
1181         * config/i386/i386.h (UNITS_PER_SIMD_WORD): Default to UNITS_PER_WORD.
1182         * config/mips/mips.h (UNITS_PER_SIMD_WORD): Likewise.
1183         * config/rs6000/rs6000.h (UNITS_PER_SIMD_WORD): Likewise.
1184         * config/sparc/sparc.h (UNITS_PER_SIMD_WORD): Likewise.
1185
1186         * config/alpha/alpha.h (UNITS_PER_SIMD_WORD): Remove.
1187         * config/bfin/bfin.h (UNITS_PER_SIMD_WORD): Remove.
1188         * config/ia64/ia64.h (UNITS_PER_SIMD_WORD): Remove.
1189
1190         * doc/tm.texi (UNITS_PER_WORD): Rephrase more accurately.
1191         (UNITS_PER_SIMD_WORD): New.
1192
1193 2005-04-27  Nathan Sidwell  <nathan@codesourcery.com>
1194
1195         * config/ia64/ia64.c (ia64_encode_addr_area): Use gcc_assert and
1196         gcc_unreachable as appropriate.
1197         (ia64_expand_load_address, ia64_expand_tls_address,
1198         ia64_split_tmode, ia64_split_tmode_move, ia64_expand_compare,
1199         ia64_expand_vecint_compare, ia64_expand_vecint_minmax,
1200         next_scratch_gr_reg, ia64_initial_elimination_offset,
1201         ia64_expand_prologue, ia64_expand_epilogue,
1202         ia64_output_dwarf_dtprel, ia64_print_operand,
1203         ia64_register_move_cost, first_instruction, rws_access_regno,
1204         update_set_flags, rtx_needs_barrier, group_barrier_needed_p,
1205         ia64_sched_init, ia64_variable_issue,
1206         ia64_first_cycle_multipass_dfs_lookahead_guard,
1207         ia64_dfa_new_cycle, issue_nops_and_insn, get_template, bundling,
1208         ia64_st_address_bypass_p, ia64_ld_address_bypass_p, process_set,
1209         process_for_unwind_directive, ia64_hpux_file_end): Likewise.
1210         * config/ia64/ia64.h (ASM_OUTPUT_ADDR_VEC_ELT): Likewise.
1211         * config/ia64/ia64.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
1212         * config/ia64/predicates.md (got_symbolic_operand,
1213         sdata_symbolic_operand): Likewise.
1214         * config/ia64/vect.md (vcondv2sf): Likewise.
1215
1216 2005-04-27  Matt Thomas <matt@3am-software.com>
1217
1218         * config/vax/vax.c (legitimate_constant_address_p): New.  Formerly
1219         CONSTANT_ADDRESS_P in config/vax/vax.h
1220         (legitimate_constant_p): Added.  Formerly CONSTANT_P in vax.h. 
1221         (INDEX_REGISTER_P): New.
1222         (BASE_REGISTER_P): New.
1223         (indirectable_constant_address_p): New.  Adapted from
1224         INDIRECTABLE_CONSTANT_ADDRESS_P in vax.h. Use SYMBOL_REF_LOCAL_P.
1225         (indirectable_address_p): New.  Adapted from
1226         INDIRECTABLE_ADDRESS_P in vax.h.
1227         (nonindexed_address_p): New.  Adapted from
1228         GO_IF_NONINDEXED_ADDRESS in vax.h.
1229         (index_temp_p): New.  Adapted from INDEX_TERM_P in vax.h.
1230         (reg_plus_index_p): New.  Adapted from GO_IF_REG_PLUS_INDEX in vax.h.
1231         (legitimate_address_p): New.  Adapted from
1232         GO_IF_LEGITIMATE_ADDRESS in vax.h.
1233         (vax_mode_dependent_address_p): New.  Adapted from
1234         GO_IF_MODE_DEPENDENT_ADDRESS in vax.h.
1235         * config/vax/vax.h (CONSTANT_ADDRESS_P): Use
1236         legitimate_constant_address_p.
1237         (CONSTANT_P): Use legitimate_constant_p.
1238         (INDIRECTABLE_CONSTANT_ADDRESS_P): Removed.
1239         (INDIRECTABLE_ADDRESS_P): Removed.
1240         (GO_IF_NONINDEXED_ADDRESS): Removed.
1241         (INDEX_TEMP_P): Removed.
1242         (GO_IF_REG_PLUS_INDEX): Removed.
1243         (GO_IF_LEGITIMATE_ADDRESS): Use legitimate_address_p. Two
1244         definitions, depending on whether REG_OK_STRICT is defined.
1245         (GO_IF_MODE_DEPENDENT_ADDRESS): Use vax_mode_dependent_address_p.
1246         Two definitions, depending on whether REG_OK_STRICT is defined.
1247         * config/vax/vax-protos.h (legitimate_constant_address_p): Prototype
1248         added.
1249         (legitimate_constant_p): Prototype added.
1250         (legitimate_address_p): Prototype added.
1251         (vax_mode_dependent_address_p): Prototype added.
1252
1253 2005-04-27  Kazu Hirata  <kazu@cs.umass.edu>
1254
1255         * tree.h (phi_arg_d): Expand a comment in phi_arg_d.
1256
1257 2005-04-27  Joseph S. Myers  <joseph@codesourcery.com>
1258
1259         PR c/21213
1260         * c-decl.c (finish_struct): Don't dereference NULL TYPE_FIELDS of
1261         transparent union.
1262
1263 2005-04-27  Joseph S. Myers  <joseph@codesourcery.com>
1264
1265         PR c/20740
1266         * c-format.c (init_dynamic_asm_fprintf_info): Give errors, not
1267         assertion failures, if __gcc_host_wide_int__ is not properly
1268         defined.
1269         (init_dynamic_diag_info): Give errors, not assertion failures, if
1270         location_t, tree or __gcc_host_wide_int__ are not properly
1271         defined.
1272
1273 2005-04-26  Kazu Hirata  <kazu@cs.umass.edu>
1274
1275         * tree-ssa-loop-ivopts.c (ivopts_data, decl_rtl_to_reset,
1276         n_iv_uses, iv_use, n_iv_cands, iv_cand,
1277         tree_ssa_iv_optimize_init, record_use, add_candidate_1,
1278         prepare_decl_rtl, free_loop_data,
1279         tree_ssa_iv_optimize_finalize): Use the VEC API instead of
1280         VARRAY.
1281
1282         * tree.h (tree_phi_node): Add a comment about the order of PHI
1283         arguments.
1284
1285 2005-04-26  Paul Brook  <paul@codesourcery.com>
1286
1287         * config/arm/arm.md (thumb_mulsi3): Use two-operand assembly form.
1288
1289 2005-04-26  Nathan Sidwell  <nathan@codesourcery.com>
1290
1291         * config/mips.mips.c (mips_legitimize_tls_address): Use
1292         gcc_unreachable.
1293
1294         * config/mmix/mmix.c (mmix_assemble_integer): Use gcc_assert.
1295         * config/mmix/crti.asm (_init): Reword comment to avoid 'abort'.
1296         * config/mmix/mmix.md (nonlocal_goto_receiver): Likewise.
1297
1298         * config/sparc/sparc.h (enum reg_class): Reword comment to avoid
1299         'abort'.
1300
1301 2005-04-26  Jeff Law  <law@redhat.com>
1302
1303         * tree-flow-inline.h (op_iter_next_must_and_may_def): New.
1304         (op_iter_init_must_and_may_def): Likewise.
1305         (unmodifiable_var_p): Move to a later point in the file.
1306         * tree-ssa-operands.h (FOR_EACH_SSA_MUST_AND_MAY_DEF_OPERAND): New.
1307         * tree-ssa-dse.c (need_imm_uses_for): Remove, no longer needed.
1308         (dse_record_phis): Directly check for virtual operands rather than
1309         using need_imm_uses_for.
1310         (dse_optimize_stmt): Handle V_MUST_DEF operands.  Handle case where
1311         store has multiple V_{MAY,MUST}_DEF operands.
1312
1313 2005-04-26  Andrew MacLeod  <amacleod@redhat.com>
1314
1315         * tree-cfg.c (bsi_replace): Delink immediate uses for the original
1316         stmt.
1317
1318 2005-04-26  Kazu Hirata  <kazu@cs.umass.edu>
1319
1320         * tree-cfg.c (lv_adjust_loop_header_phi): Speed up moving a
1321         call to find_edge outside a loop to go through a PHI chain.
1322
1323 2004-04-26  Richard Guenther  <rguenth@gcc.gnu.org>
1324
1325         PR tree-optimization/17598
1326         * fold-const.c (fold_binary): Fold comparisons of addresses
1327         of COMPONENT_REFs which reference the same field to
1328         comparisons of the addresses of the base objects.
1329
1330 2005-04-26  Julian Brown  <julian@codesourcery.com>
1331
1332         * config/arm/arm.c (arm_return_in_msb): New function.
1333         (arm_must_pass_in_stack): New function.
1334         (TARGET_RETURN_IN_MSB): Define target hook.
1335         (TARGET_MUST_PASS_IN_STACK): Define target hook.
1336         (arm_function_value): Pad small aggregate return.
1337         (arm_pad_arg_upward): New function.
1338         (arm_pad_reg_upward): New function.
1339         * config/arm/arm.h (PROMOTE_FUNCTION_MODE): Include complex values.
1340         (FUNCTION_ARG_PADDING): Define macro.
1341         (BLOCK_REG_PADDING): Define macro.
1342         (PAD_VARARGS_DOWN): Correct padding for AAPCS.
1343         * config/arm/arm-protos.h (arm_pad_arg_upward): Declare function.
1344         (arm_pad_reg_upward): Declare function.
1345
1346 2005-04-26  Kazu Hirata  <kazu@cs.umass.edu>
1347
1348         * basic-block.h (ei_cond): New.
1349         (FOR_EACH_EDGE): Call ei_cond.
1350
1351         PR tree-optimization/21047
1352         * fold-const.c (fold_binary): Abort on ASSERT_EXPR.
1353         (fold): Don't handle ASSERT_EXPR.
1354
1355 2005-04-25  Roger Sayle  <roger@eyesopen.com>
1356
1357         * sched-deps.c (sched_analyze_1): On STACK_REGS targets, x87, treat
1358         all writes to any stack register as a read/write dependency on
1359         FIRST_STACK_REG.
1360         (sched_analyze_2): Likewise, for reads from any stack register.
1361
1362 2005-04-25  Richard Henderson  <rth@redhat.com>
1363
1364         * final.c (output_addr_const): Revert 2005-04-09 change.
1365
1366 2005-04-25  Mike Stump  <mrs@apple.com>
1367
1368         * config/darwin.c (darwin_encode_section_info): Always set
1369         MACHO_SYMBOL_STATIC for all ! TREE_PUBLIC symbols.
1370
1371 2005-04-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1372
1373         * collect2.c, gcc.c, gcov-dump.c, gcov.c, gen-protos.c,
1374         gensupport.c, protoize.c, toplev.c: Replace calls to
1375         `unlock_stream' with `unlock_std_streams'.
1376
1377 2005-04-25  Devang Patel <dpatel@apple.com>
1378
1379         * dbxout.c (dbxout_type): Emit attribute vector.
1380         
1381 2005-04-05  Paul Brook  <paul@codesourcery.com>
1382
1383         * target-def.h (TARGET_CXX_USE_AEABI_ATEXIT): Define.
1384         * target.h (struct gcc_target): Add cxx.use_aeabi_atexit.
1385         * config/arm/arm.c (arm_cxx_atexit_name): New function.
1386         (TARGET_CXX_USE_AEABI_ATEXIT): New macro.
1387         * cp/decl.c (get_atexit_node): Reorder arguments for __aeabi_atexit.
1388         (register_dtor_fn): Likewise.
1389         * doc/tm.texi: Document TARGET_CXX_USE_AEABI_ATEXIT.
1390
1391 2005-04-25  Ian Lance Taylor  <ian@airs.com>
1392
1393         * c-common.def (EXPR_STMT): Remove, moved to C++ frontend.
1394         * c-common.h (EXPR_STMT_EXPR): Don't define.
1395         (c_common_stmt_codes): Don't define.
1396         * c-dump.c (c_dump_tree): Remove EXPR_STMT case.
1397         * c-gimplify.c (gimplify_expr_stmt): Remove.
1398         (c_gimplify_expr): Remove EXPR_STMT case.
1399         * c-objc-common.c (c_objc_common_init): Remove stmt_codes and call
1400         to INIT_STATEMENT_CODES.
1401         * c-pretty-print.c (pp_c_statement): Just call dump_generic_node.
1402
1403 2005-04-25  Jan Hubicka  <jh@suse.cz>
1404
1405         * tree-cfg.c (tree_duplicate_bb): Duplicate EH region too.
1406
1407         * except.c: Include diagnostic.h
1408         (dump_eh_tree, verify_eh_tree): New functions.
1409         * except.h (verify_eh_tree, dump_eh_tree, verify_eh_edges): Declare.
1410         * tree-cfg.c (tree_verify_flow_info): verify eh edges.
1411         (dump_function_to_file): dump eh tree.
1412         * tree-eh.c (mark_eh_edge): New function.
1413         (mark_eh_edge_found_error): New static variable.
1414         (verify_eh_edges): New function.
1415
1416 2005-04-25  Nathan Sidwell  <nathan@codesourcery.com>
1417
1418         * tree-ssa-alias.c (fieldoff_t): Remove.
1419         (fieldoff_s): typedef the structure itself.  Create a vector of
1420         objects.
1421         (push_fields_onto_fieldstack): Return count of fields pushed.
1422         Remove peeling of first field.  Adjust.
1423         (fieldoff_compare): Adjust.
1424         (create_overlap_variables_for): Adjust.
1425
1426 2005-04-25  Joseph S. Myers  <joseph@codesourcery.com>
1427
1428         * doc/invoke.texi (Blackfin Options): Avoid empty @opindex line.
1429
1430 2005-04-25  Joseph S. Myers  <joseph@codesourcery.com>
1431
1432         PR bootstrap/21215
1433         * doc/install.texi: Document correct assembler and linker to use
1434         on i?86-*-solaris2.10.
1435
1436 2005-04-25  Steven Bosscher  <stevenb@suse.de>
1437
1438         Fix PR tree-optimization/21173
1439
1440         * tree-ssa-pre.c (create_expression_by_pieces): Simplify code.
1441         Unshare expression we pass to force_gimple_operand.
1442
1443 2005-04-25  J"orn Rennecke <joern.rennecke@st.com>
1444             Stephen Clarke <stevec@superh.com>
1445             Roger Sayle <roger@eyesopen.com>
1446
1447         PR rtl-optimization/20413
1448         * cfgrtl.c (redirect_edge_and_branch): Use Pmode instead of
1449         VOIDmode for LABEL_REF.
1450         * final.c (shorten_branches): Likewise.
1451         * jump.c (mark_all_labels, redirect_exp_1): Likewise.
1452         * loop.c (reg_dead_after_loop): Likewise.
1453         * varasm.c (decode_addr_const): Likewise.
1454         * doc/rtl.texi: Document mode requirement for LABEL_REF.
1455
1456 2005-04-25  Ralf Corsepius  <ralf.corsepius@rtems.org>
1457
1458         * config.gcc (avr-*-*): Remove redundant "case".
1459
1460 2005-04-25  Kazu Hirata  <kazu@cs.umass.edu>
1461
1462         * tree-vect-analyze.c (vect_mark_relevant): Take
1463         VEC(tree,heap) instead of varray_type as an argument.
1464         (vect_mark_stmts_to_be_vectorized): Change the type of
1465         worklist to VEC(tree,heap).  Adjust uses of worklist.
1466
1467 2005-04-24  Devang Patel  <dpatel@apple.com>
1468
1469         *  config/rs6000/darwin.h (ASM_OUTPUT_MAX_SKIP_ALIGN): New.
1470         
1471 2005-04-24  Ian Lance Taylor  <ian@airs.com>
1472
1473         * c-semantics.c (build_stmt): Remove test of specific tree codes
1474         for TREE_SIDE_EFFECTS handling.
1475
1476 2005-04-24  Per Bothner  <per@bothner.com>
1477
1478         * c-opts.c (finish_options):  Make the line-number of the <built-in>
1479         location 0, as assumed elsewhere, rather than 1.
1480
1481 2005-04-24  Kazu Hirata  <kazu@cs.umass.edu>
1482
1483         * tree-ssa-uncprop.c (equiv_stack): Change the type o
1484         VEC(tree,heap).
1485         (tree_ssa_uncprop, uncprop_finalize_block,
1486         uncprop_initialize_block): Update uses of equiv_stack.
1487
1488 2005-04-24  Richard Henderson  <rth@redhat.com>
1489
1490         PR rtl-opt/21163
1491         * simplify-rtx.c (simplify_binary_operation) <IOR>: Check
1492         for SCALAR_INT_MODE_P instead of not MODE_CC before returning
1493         constm1_rtx.
1494         <AND, LSHIFTRT, UMIN>: Use CONST0_RTX.
1495         <UDIV, UMOD>: Use CONST0_RTX and CONST1_RTX.
1496         <DIV, MOD>: Likewise.
1497
1498 2005-04-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1499
1500         * collect2.c (main): Unlock the stdio streams.
1501         * gcc.c (main): Likewise.
1502         * gcov-dump.c (main): Likewise.
1503         * gcov.c (main): Likewise.
1504         * gen-protos.c (main): Likewise.
1505         * gensupport.c (init_md_reader_args_cb): Likewise.
1506         * protoize.c (main): Likewise.
1507         * toplev.c (general_init): Likewise.
1508
1509 2005-04-24  Jakub Jelinek  <jakub@redhat.com>
1510
1511         PR middle-end/20991
1512         * cgraph.h (cgraph_local_info): Add vtable_method field.
1513         * varasm.c (mark_decl_referenced): If cgraph_global_info_ready
1514         and node is vtable_method, finalized and not reachable, don't do
1515         anything.
1516
1517 2005-04-24  Kazu Hirata  <kazu@cs.umass.edu>
1518
1519         * tree-ssa-copy.c (copy_prop_visit_cond_stmt): Use
1520         COMPARISON_CLASS_P.
1521         * tree-ssa-pre.c (create_value_expr_from): Use
1522         CONSTANT_CLASS_P and REFERENCE_CLASS_P.
1523         * tree-ssa-propagate.c (stmt_makes_single_load,
1524         stmt_makes_single_store): Use REFERENCE_CLASS_P.
1525         * tree-vect-transform.c (vect_is_simple_cond): Use
1526         COMPARISON_CLASS_P.
1527         * tree-vrp.c (extract_range_from_assert,
1528         build_assert_expr_for, fp_predicate, has_assert_expr): Use
1529         COMPARISON_CLASS_P.
1530
1531         * tree-ssa-live.c (build_tree_conflict_graph): Change the type
1532         of tpa_to_clear to VEC(int,heap).  Update uses of
1533         tpa_to_clear.  Free tpa_to_clear at the end.
1534
1535 2005-04-24  Andrew Pinski  <pinskia@physics.uc.edu>
1536
1537         * tree.h (TREE_THIS_VOLATILE): Document the effect on a
1538         function decl.
1539
1540 2005-04-24  Nathan Sidwell  <nathan@codesourcery.com>
1541
1542         * config/rs6000/rs6000.c (rs6000_override_options): Use gcc_assert
1543         and gcc_unreachable as appropriate.
1544         (num_insns_constant, output_vec_const_move,
1545         build_mask64_2_operands, rs6000_output_dwarf_dtprel,
1546         rs6000_emit_set_const, rs6000_emit_move,
1547         spe_build_register_parallel, function_arg,
1548         rs6000_move_block_from_reg, altivec_expand_predicate_builtin,
1549         spe_expand_predicate_builtin, spe_expand_evsel_builtin,
1550         rs6000_expand_builtin, spe_init_builtins, altivec_init_builtins,
1551         rs6000_common_init_builtins, expand_block_clear,
1552         expand_block_move, validate_condition_mode, ccr_bit, extract_MB,
1553         extract_ME, rs6000_get_some_local_dynamic_name,
1554         rs6000_output_function_entry, print_operand,
1555         print_operand_address, rs6000_generate_compare, rs6000_emit_sCOND,
1556         output_cbranch, output_e500_flip_gt_bit,
1557         rs6000_emit_vector_compare, rs6000_emit_vector_compare,
1558         rs6000_emit_cmove, rs6000_emit_minmax, rs6000_split_multireg_move,
1559         compute_save_world_info, rs6000_stack_info,
1560         rs6000_emit_load_toc_table, rs6000_frame_related,
1561         spe_synthesize_frame_save, rs6000_emit_epilogue,
1562         rs6000_output_function_epilogue, rs6000_hash_constant, output_toc,
1563         output_function_profiler, rs6000_trampoline_size,
1564         rs6000_initialize_trampoline, find_addr_reg,
1565         rs6000_machopic_legitimize_pic_address,
1566         rs6000_initial_elimination_offset,
1567         rs6000_dbx_register_number): Likewise.
1568         * config/rs6000/rs6000.md (*fix_truncdfsi2_internal,
1569         *movdf_hardfloat32, *movdf_softfloat32, *fix_trunctfsi2_internal,
1570         *movti_power, *movti_string, call, call_value, sibcall,
1571         sibcall_value): Likewise.
1572         * config/rs6000/spe.md (*movdf_e500_double,
1573         *movv2si_internal): Likewise.
1574         * config/rs6000/rs6000.h (PREFERRED_RELOAD_CLASS): Remove 'abort'
1575         from comment.
1576
1577 2005-04-24  Richard Henderson  <rth@redhat.com>
1578
1579         PR target/21101
1580         * config/i386/i386.h (CANNOT_CHANGE_MODE_CLASS): Move guts to ...
1581         * config/i386/i386.c (ix86_cannot_change_mode_class): ... here.
1582         Deny modes smaller than 4 bytes.
1583         * config/i386/i386-protos.h: Update.
1584
1585 2005-04-24  Ralf Corsepius  <ralf.corsepius@rtems.org>
1586
1587         * config.gcc (h8300-*-rtems*): Add h8300-*-rtemscoff*.
1588         Switch h8300-*-rtems* to ELF.
1589
1590 2005-04-24  Kazu Hirata  <kazu@cs.umass.edu>
1591
1592         * vec.h (VEC_safe_grow): Replace grow with safe_grow.
1593
1594 2005-04-23  Kazu Hirata  <kazu@cs.umass.edu>
1595
1596         * ipa-inline.c, tree-ssa-operands.h: Fix comment typos.
1597
1598 2005-04-23  Richard Guenther  <rguenth@gcc.gnu.org>
1599
1600         PR middle-end/21082
1601         * fold-const.c: Fold &a[i]-&a[j] to i-j.
1602
1603 2005-04-23  Zdenek Dvorak  <dvorakz@suse.cz>
1604
1605         * tree-ssa-loop-niter.c (tree_simplify_using_condition): Expand simple
1606         definitions of ssa names in condition.  Split recusive part to ...
1607         (tree_simplify_using_condition_1): New function.
1608         (expand_simple_operations): New function.
1609
1610 2005-04-23  Zdenek Dvorak  <dvorakz@suse.cz>
1611
1612         * tree-ssa-loop-ivopts.c (struct cost_pair): Add value field.
1613         (find_interesting_uses_cond): Do not use integer_zerop and
1614         integer_nonzerop to check for integer constants.
1615         (set_use_iv_cost): Record the value field.
1616         (determine_use_iv_cost_generic, determine_use_iv_cost_address,
1617         determine_use_iv_cost_outer): Set the value field of the cost pair.
1618         (may_eliminate_iv): Do not return the comparison code.
1619         (iv_elimination_compare): New function.
1620         (determine_use_iv_cost_condition): Set the value field.  Record
1621         noneliminable invariants correctly.
1622         (rewrite_use_compare, rewrite_use_outer): Use the value field.
1623
1624 2005-04-23  DJ Delorie  <dj@redhat.com>
1625
1626         * diagnostic.c (warning): Accept parameter to classify warning option.
1627         (warning0): New, for when a pointer to an error() like function is needed.
1628         * errors.c (warning): Likewise.
1629         * errors.h (warning, warning0): Adjust prototypes.
1630         * toplev.h (warning, warning0): Likewise.
1631
1632         * attribs.c, builtins.c, c-common.c, c-decl.c, c-format.c,
1633         c-gimplify.c, c-lex.c, c-objc-common.c, c-opts.c, c-parser.c,
1634         c-pragma.c, c-typeck.c, calls.c, cgraph.c, coverage.c, emit-rtl.c,
1635         fold-const.c, fortran/trans-decl.c, function.c, gcse.c,
1636         genautomata.c, haifa-sched.c, opts.c, passes.c, regclass.c,
1637         reload1.c, stmt.c, stor-layout.c, toplev.c, tree-cfg.c,
1638         tree-dump.c, tree-inline.c, tree-mudflap.c, tree-optimize.c,
1639         tree-ssa.c, tree.c, varasm.c: Adjust warning() callers.
1640
1641         * config/alpha/alpha.c, config/arc/arc.c, config/arm/arm.c,
1642         config/avr/avr.c, config/bfin/bfin.c, config/c4x/c4x-c.c,
1643         config/c4x/c4x.c, config/cris/cris.c, config/darwin-c.c,
1644         config/darwin.c, config/darwin.h, config/h8300/h8300.c,
1645         config/i386/cygming.h, config/i386/djgpp.h, config/i386/i386.c,
1646         config/i386/winnt.c, config/ia64/ia64-c.c, config/ia64/ia64.c,
1647         config/ip2k/ip2k.c, config/m32r/m32r.c, config/m68hc11/m68hc11.c,
1648         config/m68k/m68k.c, config/mcore/mcore.c, config/mips/mips.c,
1649         config/mmix/mmix.c, config/ns32k/ns32k.c, config/pa/pa-hpux11.h,
1650         config/pa/pa.c, config/rs6000/aix43.h, config/rs6000/aix51.h,
1651         config/rs6000/aix52.h, config/rs6000/darwin.h,
1652         config/rs6000/rs6000-c.c, config/rs6000/rs6000.c,
1653         config/s390/s390.c, config/sh/sh.c, config/sh/sh.h,
1654         config/sh/symbian.c, config/sol2-c.c, config/sol2.c,
1655         config/stormy16/stormy16.c, config/v850/v850-c.c,
1656         config/v850/v850.c, config/xtensa/xtensa.c: Adjust warning()
1657         callers.
1658         
1659 2005-04-23  Richard Henderson  <rth@redhat.com>
1660
1661         PR rtl-opt/21102
1662         * simplify-rtx.c (simplify_binary_operation): Fix mode check before
1663         performing some integral scalar simplifications.
1664
1665 2005-04-23  Richard Henderson  <rth@redhat.com>
1666
1667         PR target/21099
1668         * config/i386/i386.c (ix86_split_to_parts): Use proper mode when
1669         simplifying CONST_VECTOR.
1670
1671 2005-04-23  Kazu Hirata  <kazu@cs.umass.edu>
1672
1673         * tree-ssa-live.c (live_worklist): Take a stack allocated on
1674         heap as an argument.  Update uses of stack.
1675         (calculate_live_on_entry): Allocate stack on heap.
1676
1677         * tree-ssa-live.c (build_tree_conflict_graph): Allocate
1678         partition_link and tpa_nodes on heap.
1679
1680         * tree-ssa-dce.c (worklist): Change to VEC(tree,heap).
1681         (mark_stmt_necessary, propagate_necessity,
1682         mark_really_necessary_kill_operand_phis): Update uses of
1683         worklist.
1684         (tree_dce_init): Allocate worklist using VEC_alloc.
1685         (tree_dce_done): Free worklist using VEC_free.
1686
1687 2005-04-23  Mike Stump  <mrs@apple.com>
1688
1689         * config/darwin.c (machopic_indirection_name): Don't use
1690         quotes needlessly.
1691         (darwin_emit_unwind_label): Use user_label_prefix instead of
1692         "_".
1693
1694 2005-04-23  Kazu Hirata  <kazu@cs.umass.edu>
1695
1696         * final.c, ipa-inline.c, varasm.c: Fix comment typos.
1697
1698 2005-04-23  Hans-Peter Nilsson  <hp@axis.com>
1699
1700         * config.gcc <cris-*>: Specify .opt files.
1701         * config/cris/cris.opt, config/cris/elf.opt, config/cris/aout.opt,
1702         config/cris/linux.opt: New files.
1703         * config/cris/aout.h (CRIS_SUBTARGET_SWITCHES)
1704         (CRIS_SUBTARGET_LONG_OPTIONS): Don't define.
1705         (TARGET_ELF): Override to 0.
1706         (CRIS_SUBTARGET_HANDLE_OPTION): Override to handle -melinux and
1707         -melinux-stacksize=N.
1708         * config/cris/cris.c: (cris_handle_option): New function.
1709         (TARGET_DEFAULT_TARGET_FLAGS): Override.
1710         (TARGET_HANDLE_OPTION): Override to cris_handle_option.
1711         (cris_override_options): Use MASK_*, not TARGET_MASK_*.
1712         * config/cris/cris.h (TARGET_MASK_SVINTO, TARGET_SVINTO,
1713         (TARGET_MASK_CCINIT, TARGET_CCINIT, TARGET_MASK_PDEBUG)
1714         (TARGET_PDEBUG, TARGET_MASK_SIDE_EFFECT_PREFIXES)
1715         (TARGET_SIDE_EFFECT_PREFIXES, TARGET_MASK_EXPAND_MUL)
1716         (TARGET_EXPAND_MUL, TARGET_MASK_STACK_ALIGN, TARGET_STACK_ALIGN)
1717         (TARGET_MASK_CONST_ALIGN, TARGET_CONST_ALIGN)
1718         (TARGET_MASK_DATA_ALIGN, TARGET_DATA_ALIGN)
1719         (TARGET_MASK_PROLOGUE_EPILOGUE, TARGET_PROLOGUE_EPILOGUE)
1720         (TARGET_MASK_ETRAX4_ADD, TARGET_ETRAX4_ADD)
1721         (TARGET_MASK_ALIGN_BY_32, TARGET_ALIGN_BY_32, TARGET_MASK_ELF)
1722         (TARGET_ELF, TARGET_MASK_LINUX, TARGET_LINUX)
1723         (TARGET_MASK_AVOID_GOTPLT, TARGET_AVOID_GOTPLT)
1724         (TARGET_MASK_MUL_BUG, TARGET_MUL_BUG, TARGET_SWITCHES)
1725         (CRIS_SUBTARGET_SWITCHES, TARGET_OPTIONS)
1726         (CRIS_SUBTARGET_LONG_OPTIONS): Don't define.
1727         (TARGET_LINUX): Define 0.
1728         (TARGET_DEFAULT): Use MASK_*, not TARGET_MASK_*.
1729         (CRIS_SUBTARGET_DEFAULT): Define to 0, not TARGET_MASK_ELF.
1730         (CRIS_SUBTARGET_DEFAULT): New empty default macro.
1731         * config/cris/linux.h (CRIS_SUBTARGET_SWITCHES): Don't define.
1732         (TARGET_LINUX): Override to 1.
1733         (CRIS_SUBTARGET_DEFAULT): Use MASK_*, not TARGET_MASK_*.
1734
1735 2005-04-23  Nathan Sidwell  <nathan@codesourcery.com>
1736
1737         * haifa-sched.c (schedule_block): Fix thinko in previous
1738         assertification patch.
1739
1740 2005-04-23  Richard Sandiford  <rsandifo@redhat.com>
1741
1742         * config.gcc (hppa[12]*-*-hpux10*): Add pa/pa-hpux.opt to
1743         $extra_options.  Also add pa/pa-hpux1010.opt for hpux10.[1-9]*.
1744         (hppa*64*-*-hpux11*): Add pa/pa-hpux1010.h to $tm_file.  Add
1745         pa/pa-hpux.opt, pa/pa-hpux1010.opt and pa/pa64-hpux.opt to
1746         $extra_options.  Also add pa/pa-hpux1111.opt for hpux11.[1-9]*.
1747         (hppa[12]*-*-hpux11*): Add pa/pa-hpux1010.h to $tm_file.  Add
1748         pa/pa-hpux.opt to $extra_options.  Also add pa/pa-hpux1111.opt
1749         for hpux11.[1-9]*.
1750         * config/pa/pa.h (architecture_type, rtx_def, pa_arch_string, pa_arch)
1751         (pa_fixed_range_string, pa_cpu_string, pa_unix_string, target_flags)
1752         (MASK_PA_11, MASK_DISABLE_FPREGS, TARGET_DISABLE_FPREGS)
1753         (MASK_NO_SPACE_REGS, TARGET_NO_SPACE_REGS, MASK_JUMP_IN_DELAY)
1754         (TARGET_JUMP_IN_DELAY, MASK_DISABLE_INDEXING, TARGET_DISABLE_INDEXING)
1755         (MASK_PORTABLE_RUNTIME, TARGET_PORTABLE_RUNTIME, MASK_GAS, TARGET_GAS)
1756         (MASK_SOFT_FLOAT, TARGET_SOFT_FLOAT, MASK_LONG_LOAD_STORE)
1757         (TARGET_LONG_LOAD_STORE, MASK_FAST_INDIRECT_CALLS)
1758         (TARGET_FAST_INDIRECT_CALLS, MASK_BIG_SWITCH, TARGET_BIG_SWITCH)
1759         (MASK_PA_20, MASK_SIO, TARGET_SIO, MASK_GNU_LD, TARGET_GNU_LD)
1760         (MASK_LONG_CALLS, TARGET_LONG_CALLS, TARGET_PA_11, TARGET_PA_20)
1761         (TARGET_SWITCHES, SUBTARGET_SWITCHES, TARGET_OPTIONS)
1762         (SUBTARGET_OPTIONS): Delete.
1763         (TARGET_PA_10): Redefine in terms of TARGET_PA_11 and TARGET_PA_20.
1764         (TARGET_SCHED_DEFAULT): Define to a PROCESSOR_* enum (PROCESSOR_8000)
1765         instead of a string.
1766         * config/pa/pa.c (pa_arch, pa_arch_string, pa_fixed_range_string)
1767         (pa_cpu_string, pa_unix_string): Delete.
1768         (pa_cpu): Initialize to TARGET_SCHED_DEFAULT.
1769         (flag_pa_unix): Initialize based on TARGET_HPUX_11_11 and
1770         TARGET_HPUX_10_10.
1771         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
1772         (pa_handle_option): New function.
1773         (override_options): Remove handling of -march=, -mfixed-range=,
1774         -mschedule= and -munix=.
1775         * config/pa/pa-hpux.h (SUBTARGET_SWITCHES): Delete.
1776         * config/pa/pa-hpux1010.h (SUBTARGET_OPTIONS): Delete.
1777         * config/pa/pa-hpux10.h (SUBTARGET_OPTIONS): Delete.
1778         * config/pa/pa-hpux1111.h (SUBTARGET_OPTIONS): Delete.
1779         * config/pa/pa-hpux11.h (SUBTARGET_OPTIONS): Delete.
1780         * config/pa/pa64-hpux.h (SUBTARGET_SWITCHES): Delete.
1781         * config/pa/pa64-start.h (TARGET_PA_11, TARGET_PA_20): #undef before
1782         redefining.
1783         * config/pa/pa.opt: New file.
1784         * config/pa/pa-hpux.opt: New file.
1785         * config/pa/pa-hpux1010.opt: New file.
1786         * config/pa/pa-hpux1111.opt: New file.
1787         * config/pa/pa64-hpux.opt: New file.
1788
1789 2005-04-22  David S. Miller  <davem@davemloft.net>
1790
1791         * rtl.h (CONST_DOUBLE): Fix comment, a CONST_DOUBLE holds an
1792         integer when it's mode is VOIDmode not DImode.
1793
1794 2005-04-22  Geoffrey Keating  <geoffk@apple.com>
1795
1796         * config/rs6000/rs6000.md (sync_add<mode>_internal,
1797         sync_addshort_internal, sync_sub<mode>_internal, sync_andsi_internal,
1798         sync_anddi_internal, sync_boolsi_internal, sync_booldi_internal,
1799         sync_boolc<mode>_internal, sync_boolc<mode>_internal2,
1800         sync_boolcc<mode>_internal, sync_lock_test_and_set<mode>): Use
1801         "bne- $-xxx" rather than local labels.
1802         (sync_lock_release<mode>): Add second operand.
1803         (lwsync): Use .long rather than a more meaningful opcode.
1804         * doc/md.texi (Standard Names): Add description of second
1805         parameter to sync_lock_test_and_set.
1806
1807 2005-04-23  Kazu Hirata  <kazu@cs.umass.edu>
1808
1809         PR tree-optimization/21088
1810         * fold-const.c (fold_unary, fold_binary, fold_ternary):
1811         Export.
1812         * tree-vrp.c (compare_values): Use fold_binary to compare
1813         pointers.  Use boolean_type_node as the type of a comparison
1814         expression being folded.
1815         * tree.h: Add prototypes for fold_unary, fold_binary,
1816         fold_ternary.
1817
1818         * tree-ssa-dom.c: Fix formatting.
1819
1820 2005-04-22  Diego Novillo  <dnovillo@redhat.com>
1821
1822         * Makefile.in (tree-into-ssa.o): Add dependency on PARAMS_H.
1823         * lambda-code.c (perfect_nestify): Mark virtual operands in
1824         the moved statement for renaming.
1825         * params.def (PARAM_MIN_VIRTUAL_MAPPINGS): Define.
1826         (PARAM_VIRTUAL_MAPPINGS_TO_SYMS_RATIO): Define.
1827         * params.h (MIN_VIRTUAL_MAPPINGS): Define.
1828         (VIRTUAL_MAPPINGS_TO_SYMS_RATIO): Define.
1829         * tree-flow.h (struct var_ann_d): Update comments.
1830         (rewrite_to_new_ssa_names_bb, rewrite_to_new_ssa_names,
1831         allocate_ssa_names, find_phi_node_for, dump_tree_ssa,
1832         debug_tree_ssa, debug_def_blocks, dump_tree_ssa_stats,
1833         debug_tree_ssa_stats, rewrite_ssa_into_ssa,
1834         dump_repl_tbl, debug_repl_tbl, dump_names_replaced_by,
1835         debug_names_replaced_by): Remove declarations.
1836         (delete_update_ssa, get_current_def, set_current_def): Declare.
1837         (rewrite_into_loop_closed_ssa): Add new argument.  Update
1838         all callers.
1839         * tree-into-ssa.c: Include params.h.
1840         (old_virtual_ssa_names): Remove.  Update all users.
1841         (need_to_replace_names_p): Remove.  Update all users.
1842         (struct update_ssa_stats_d): Declare.
1843         (update_ssa_stats): New local.
1844         (dump_tree_ssa, debug_tree_ssa, debug_def_blocks,
1845         dump_tree_ssa_stats, debug_tree_ssa_stats,
1846         dump_update_ssa, debug_update_ssa,
1847         dump_names_replaced_by, debug_names_replaced_by): Declare.
1848         (get_current_def, set current_def): Make extern.
1849         (is_old_name, is_new_name): Protect against references
1850         past the end of the sets.
1851         (add_new_name_mapping): Assert that OLD and NEW are
1852         different SSA names for the same symbol.
1853         When adding a virtual mapping, update stats for virtual
1854         mapping heuristic.
1855         (insert_phi_nodes_for): If UPDATE_P is true, create the
1856         LHS of the new PHI by duplicating SSA name VAR.
1857         (insert_phi_nodes_1): Remove.  Update all users.
1858         (insert_phi_nodes): Remove second argument.  Update all
1859         users.
1860         (maybe_replace_use, maybe_replace_def): New.
1861         (rewrite_update_stmt): Call them.
1862         (mark_def_interesting): Remove calls to is_gimple_reg.
1863         (prepare_phi_args_for_update): Remove.  Update all users.
1864         (prepare_block_for_update): Only process virtual operands
1865         and GIMPLE registers in normal form.
1866         (prepare_use_sites_for): New.
1867         (prepare_names_to_update): Rename from prepare_def_sites.
1868         Call prepare_use_sites_for.
1869         (dump_update_ssa): Rename from dump_repl_tbl.
1870         Update all users.
1871         Show statistics for virtual mapping heuristic.
1872         (debug_update_ssa): Rename from debug_debug_repl_tbl.
1873         (init_update_ssa): Initialize UPDATE_SSA_STATS.
1874         (delete_update_ssa): Make extern.
1875         (mark_set_for_renaming): If the set is empty, do nothing.
1876         (release_ssa_name_after_update_ssa): Update comment.
1877         (insert_updated_phi_nodes_for): Do not remove existing
1878         PHI nodes for symbols.
1879         (switch_virtuals_to_full_rewrite_p): New.
1880         (switch_virtuals_to_full_rewrite): New.
1881         (update_ssa): Call them.
1882         Clear REWRITE_THIS_STMT and REGISTER_DEFS_IN_THIS_STMT
1883         for every statement before updating.
1884         If all the names in NEW_SSA_NAMES have been marked for
1885         removal, do nothing.
1886         Only start at the top of the CFG if there are symbols in
1887         SYMS_TO_RENAME.
1888         (ssa_rewrite_finalize_block): Remove.
1889         (ssa_register_new_def): Remove.
1890         (ssa_rewrite_stmt): Remove.
1891         (ssa_rewrite_phi_arguments): Remove.
1892         (ssa_rewrite_initialize_block): Remove.
1893         (ssa_mark_def_sites): Remove.
1894         (ssa_mark_def_sites_initialize_block): Remove.
1895         (ssa_mark_phi_uses): Remove.
1896         (rewrite_ssa_into_ssa): Remove.
1897         * tree-phinodes.c (find_phi_node_for): Remove.
1898         * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely):
1899         Call update_ssa.
1900         * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops):
1901         Remove calls to verify_dominators and
1902         verify_loop_structure.
1903         (tree_unswitch_single_loop): Call update_ssa.
1904         * tree-ssa.c (verify_ssa): Assert that need_ssa_update_p
1905         returns false.
1906         Call verify_stmts.
1907         (delete_tree_ssa): Assert that need_ssa_update_p returns
1908         false.
1909         * tree-vect-transform.c (vect_transform_loop): Call update_ssa.
1910         * tree-vectorizer.c (allocate_new_names, rename_def_op,
1911         free_new_names): Remove.  Update all users.
1912         (rename_use_op): Call get_current_def.
1913         (rename_variables_in_bb): Do not handle any real or
1914         virtual definition.
1915         (slpeel_update_phis_for_duplicate_loop): Call
1916         get_current_def and set_current_def instead of using
1917         SSA_NAME_AUX.
1918         (slpeel_update_phi_nodes_for_guard2): Reformat comments.
1919         (slpeel_can_duplicate_loop_p): Call need_ssa_update_p,
1920         ssa_names_to_replace and delete_update_ssa.
1921         * doc/invoke.texi: Document --param min-virtual-mappings
1922         and --param virtual-mappings-ratio.
1923
1924 2005-04-22  Diego Novillo  <dnovillo@redhat.com>
1925
1926         * tree-cfg.c (tree_duplicate_bb): Call create_new_def_for
1927         for newly created PHI nodes.
1928         Call create_new_def_for for every new V_MAY_DEF and
1929         V_MUST_DEF on the copied statement.
1930         (struct ssa_name_map_entry): Remove.
1931         (ssa_name_map_entry_hash): Remove.
1932         (ssa_name_map_entry_eq): Remove.
1933         (allocate_ssa_names): Remove.
1934         (rewrite_to_new_ssa_names_def): Remove.
1935         (rewrite_to_new_ssa_names_use): Remove.
1936         (rewrite_to_new_ssa_names_bb): Remove.
1937         (rewrite_to_new_ssa_names): Remove.
1938         (tree_duplicate_sese_region): Remove variables ver,
1939         definitions, phi, ssa_name_map and bi.
1940         Call need_ssa_update_p instead of any_marked_for_rewrite_p.
1941         Call update_ssa.
1942         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Call
1943         update_ssa instead of rewrite_ssa_into_ssa.
1944         * tree-ssa-loop-manip.c (add_exit_phis_edge): Call
1945         create_new_def_for.
1946         (find_uses_to_rename_use): Add argument 'need_phis'.
1947         (find_uses_to_rename_stmt): Do not scan virtual operands.
1948         (find_uses_to_rename): Only scan PHI nodes for
1949         non-virtual names.
1950         (rewrite_into_loop_closed_ssa): Call update_ssa.
1951         (check_loop_closed_ssa_use): Ignore virtual operands.
1952         (check_loop_closed_ssa_stmt): Likewise.
1953         (verify_loop_closed_ssa): Do nothing if CURRENT_LOOPS is
1954         NULL.
1955         (rename_variables, set_phi_def_stmts): Remove.
1956         (tree_duplicate_loop_to_header_edge): Reformat comment.
1957         Remove variables BB, I and DEFINITIONS.
1958         Call need_ssa_update_p.
1959         Call update_ssa.
1960         (lv_adjust_loop_header_phi): Reformat comment.
1961         * tree-ssanames.c (ssa_names_to_rewrite): Remove.
1962         (marked_for_rewrite_p, any_marked_for_rewrite_p,
1963         mark_for_rewrite, unmark_all_for_rewrite,
1964         marked_ssa_names): Remove.  Update all users.
1965         (release_ssa_name): If VAR has been registered for SSA
1966         updating, do nothing.
1967         * tree-vrp.c (new_ssa_names, old_ssa_names): Remove.
1968         (build_assert_expr_for): Call register_new_name_mapping.
1969         (insert_range_assertions): Update call to update_ssa.
1970         * tree.h (mark_for_rewrite, unmark_all_for_rewrite,
1971         marked_for_rewrite_p, any_marked_for_rewrite_p,
1972         marked_ssa_names): Remove.
1973
1974 2005-04-22  Jeff Law  <law@redhat.com>
1975
1976         * tree-ssa-dom.c (block_defs_stack): Remove, no longer needed.
1977         (restore_currdefs_to_original_value): Likewise.
1978         (register_definitions_for_stmt): Likewise.
1979         (tree_ssa_dominator_optimize): No longer initialize CURRENT_DEF
1980         for each variable.  Do not allocate/free block_defs_stack either.
1981         Do not iterate if we just thread jumps.  Only iterate if the
1982         tree_cleanup_cfg does useful work (temporary).
1983         (dom_opt_initialize_block): No longer push a marker on
1984         BLOCK_DEFS_STACK.
1985         (dom_opt_finalize_block): Removal call to restore currdefs.
1986         Relax restrictions for recording edge equivalences.
1987         (record_equivalences_from_phis): No longer need to track
1988         CURRENT_DEF.
1989         (optimize_stmt): Similarly.
1990         (thread_across_edge): Simplify by removing the requirement that
1991         statements in the block we are threading through must be nops.
1992         (initialize_hash_element): Handle GOTO_EXPR.
1993
1994 2005-04-22  David S. Miller  <davem@davemloft.net>
1995
1996         * sched-vis.c (print_value): Use CONST_DOUBLE_LOW and
1997         CONST_DOUBLE_HIGH.
1998         * config/sparc/sparc.c (sparc_rtx_costs): Likewise, and
1999         fix check on CONST_DOUBLE mode.  It should be VOIDmode
2000         when it is representing an integer.
2001
2002 2005-04-22  Nathan Sidwell  <nathan@codesourcery.com>
2003
2004         * builtins.c (gimplify_va_arg_expr): Reword comments to avoid
2005         'abort'. Use gcc_assert and gcc_unreachable as appropriate.
2006         * c-format.c (get_constant, decode_format_attr, get_flag_spec, 
2007         find_char_info_specifier_index,
2008         find_length_info_modifier_index): Likewise.
2009         * c-typeck.c (composite_type, pop_init_level): Likewise.
2010         * combine.c (cant_combine_insn_p, try_combine): Likewise.
2011         * cse.c (cse_insn): Likewise
2012         * dominance.c (calc_dfs_tree): Likewise
2013         dwarf2out.c (loc_descriptor_from_tree_1,
2014         add_abstract_origin_attribute, force_decl_die,
2015         force_type_die): Likewise
2016         emit-rtl.c (operand_subword_force): Likewise
2017         explow.c (hard_function_value): Likewise
2018         expmed.c (store_bit_field, expand_divmod,
2019         emit_store_flag_force): Likewise
2020         expr.c (emit_move_multi_word, store_expr,
2021         expand_expr_real_1): Likewise
2022         final.c (this_is_asm_operands, shorten_branches, final_scan_insn,
2023         output_operand): Likewise
2024         flow.c (recompute_reg_usage): Likewise
2025         * function.c (assign_stack_temp_for_type, assign_temp, 
2026         handle_epilogue_set): Likewise
2027         * genextract.c (main): Likewise
2028         * gimplify.c (mostly_copy_tree_r, gimplify_return_expr,
2029         gimplify_modify_expr_rhs, gimplify_expr): Likewise
2030         * haifa-sched.c (ready_lastpos, ready_remove_first, ready_element,
2031         ready_remove, rm_line_notes, rm_other_notes,
2032         schedule_block): Likewise
2033         mips-tfile.c (copy_object, out_of_bounds): Likewise
2034
2035 2005-04-22 David Edelsohn  <edelsohn@gnu.org>
2036
2037         PR target/20813
2038         * config/rs6000/default64.h (TARGET_DEFAULT): Add MASK_PPC_GFXOPT.
2039         * config/rs6000/rs6000.c (processor_target_table): Rename rs64a to
2040         rs64.  Add MASK_PPC_GFXOPT to powerpc64 and rs64.
2041         (rs6000_init_libfuncs): Set TFmode optabs to xlq names if
2042         TARGET_XL_COMPAT.
2043         * doc/invoke.texi (PowerPC options): Change rs64a to rs64.
2044
2045 2005-04-22  Nathan Sidwell  <nathan@codesourcery.com>
2046
2047         * lambda-code.c: Define VEC(int,heap), VEC(lambda_loop,heap).
2048         (gcc_tree_to_linear_expression): Convert to heap allocated
2049         vectors.
2050         (gcc_loop_to_lambda_loop, gcc_loopnest_to_lambda_loopnest,
2051         lbv_to_gcc_expression, lle_to_gcc_expression,
2052         lambda_loopnest_to_gcc_loopnest, can_convert_to_perfect_nest, 
2053         perfect_nestify): Likewise.
2054         lambda.h (gcc_loopnest_to_lambda_loopnest,
2055         lambda_loopnest_to_gcc_loopnest): Likewise.
2056         tree-loop-linear.c (linear_transform_loops): Likewise.
2057
2058 2005-04-22  Eric Botcazou  <ebotcazou@libertysurf.fr>
2059
2060         * config/sparc/predicates.md (arith_double_operand): Use
2061         trunc_int_for_mode if HOST_BITS_PER_WIDE_INT >=64.
2062         * config/sparc/sparc.md (movqi, movhi, movsi, movqi): Use gen_int_mode.
2063         (DImode, DFmode constant splitters): Likewise.  Remove code for
2064         TARGET_ARCH64 && HOST_BITS_PER_WIDE_INT < 64.
2065         (logical constant splitters): Use const_int_operand predicate.
2066         (lshrsi3_extend): Remove code for TARGET_ARCH64 &&
2067         HOST_BITS_PER_WIDE_INT < 64.
2068
2069 2005-04-22  Nathan Sidwell  <nathan@codesourcery.com>
2070
2071         * config/pa/pa.c (legitimize_pic_address): Use gcc_assert and
2072         gcc_unreachable as appropriate.
2073         (force_mode, emit_move_sequence, singlemove_string,
2074         output_move_double, output_fp_move_double, find_addr_reg,
2075         output_block_move, output_block_clear, output_and,
2076         output_64bit_and, output_ior, output_64bit_ior, store_reg_modify,
2077         pa_adjust_cost, pa_issue_rate, print_operand,
2078         output_global_address, output_arg_descriptor, output_cbranch,
2079         output_lbranch, output_bb, output_bvb, output_dbra, output_movb,
2080         output_call): Likewise.
2081         * config/pa/pa.md (call, call_value, sibcall, sibcall_value,
2082         prefetch, prefetch_cc, prefetch_nocc): Likewise.
2083
2084 2005-04-22  Zdenek Dvorak  <dvorakz@suse.cz>
2085
2086         * Makefile.in (LIBGCOV): Add _gcov_interval_profiler,
2087         _gcov_pow2_profiler and _gcov_one_value_profiler.
2088         (tree-profile.o): Add GGC_H and gt-tree-profile.h dependency.
2089         (GTFILES): Add $(srcdir)/tree-profile.c.
2090         * gcov-io.h (__gcov_interval_profiler, __gcov_pow2_profiler,
2091         __gcov_one_value_profiler): Declare.
2092         * gimplify.c (force_gimple_operand): Check whether the statements
2093         should be produced in ssa form.
2094         (force_gimple_operand_bsi): New function.
2095         * libgcov.c (__gcov_interval_profiler, __gcov_pow2_profiler,
2096         __gcov_one_value_profiler): New functions.
2097         * rtl-profile.c (rtl_gen_pow2_profiler): Only measure whether
2098         the profiled value is a power of two or not.
2099         * tree-cfg.c (tree_block_ends_with_condjump_p): Handle empty blocks.
2100         * tree-flow.h (in_ssa_p): Declare.
2101         (force_gimple_operand_bsi): Declare.
2102         * tree-into-ssa.c (in_ssa_p): New variable.
2103         (rewrite_into_ssa): Set in_ssa_p.
2104         * tree-outof-ssa.c (rewrite_out_of_ssa): Set in_ssa_p.
2105         * tree-profile.c: Include ggc.h and gt-tree-profile.h.
2106         (gcov_type_node, tree_interval_profiler_fn, tree_pow2_profiler_fn,
2107         tree_one_value_profiler_fn): New variables.
2108         (tree_init_edge_profiler): Initialize the profiler function decls.
2109         (tree_gen_edge_profiler): Use global gcov_type_node.
2110         (prepare_instrumented_value): New function.
2111         (tree_gen_interval_profiler, tree_gen_interval_profiler,
2112         tree_gen_one_value_profiler): Call the library functions instead of
2113         creating instrumentation code.
2114         * tree.c (build_fn_decl): New function.
2115         * tree.h (build_fn_decl): Declare.
2116         * value-prof.c (rtl_divmod_values_to_profile,
2117         rtl_find_values_to_profile, rtl_mod_pow2_value_transform,
2118         tree_mod_pow2_value_transform, tree_find_values_to_profile):
2119         Do not handle may_be_other and precise values of exponents at pow2
2120         profiler.
2121         (tree_mod_subtract_transform): Reflect that value field of
2122         histogram has changed meaning.
2123         (tree_divmod_values_to_profile): Record the values correctly.
2124         (tree_values_to_profile): Update comment.
2125         * value-prof.h (struct histogram_value_t): Remove pow2 data.
2126
2127 2005-04-22  Joseph S. Myers  <joseph@codesourcery.com>
2128
2129         * varasm.c (do_assemble_alias): Return early if TREE_ASM_WRITTEN
2130         (decl).
2131
2132 2005-04-22  Nathan Sidwell  <nathan@codesourcery.com>
2133
2134         * config/i386/i386.md (length_immediate): Use gcc_assert or
2135         gcc_unreachable, as appropriate.
2136         (*movsi_1, *movqi_1, reload_outqi, *movdi_1_rex64, *pushsf,
2137         *pushsf_rex64, *truncxfsf2_mixed, *truncxfsf2_i387,
2138         *truncxfdf2_mixed, *truncxfdf2_i387, *adddi_1_rex64,
2139         *adddi_2_rex64, *adddi_3_rex64, *adddi_4_rex64, *adddi_5_rex64,
2140         *addsi_1, addsi_1_zext, *addsi_2, *addsi_2_zext, *addsi_3,
2141         *addsi_3_zext, *addsi_4, *addsi_5, *addhi_1_lea, *addhi_1,
2142         *addhi_2, *addhi_3, *addhi_4, *addhi_5, *addqi_1_lea, *addqi_1,
2143         *addqi_1_slp, *addqi_2, *addqi_3, *addqi_4, *addqi_5, addqi_ext_1,
2144         *addqi_ext_1_rex64, *anddi_1_rex64, *andsi_1, *andhi_1,
2145         *ashldi3_1_rex64, *ashldi3_cmp_rex64, *ashlsi3_1, *ashlsi3_1_zext,
2146         *ashlsi3_cmp, *ashlsi3_cmp_zext, *ashlhi3_1_lea, *ashlhi3_1,
2147         *ashlhi3_cmp, *ashlqi3_1_lea, *ashlqi3_1, *ashlqi3_cmp,
2148         pro_epilogue_adjust_stack_1, pro_epilogue_adjust_stack_rex64,
2149         pro_epilogue_adjust_stack_rex64_2, prefetch, *prefetch_sse,
2150         *prefetch_sse_rex): Likewise.
2151         * config/i386/predicates.md (x86_64_immediate_operand,
2152         x86_64_zext_immediate_operand, symbolic_operand,
2153         no_seg_address_operand, aligned_operand,
2154         memory_displacement_operand): Likewise.
2155         * config/i386/sse.md (*mov<mode>_internal,
2156         *movv2df_internal): Likewise.
2157
2158 2005-04-22  Jan Hubicka  <jh@suse.cz>
2159
2160         * Makefile.in (ipa.o, ipa-inline.o): New files.
2161         * cgraph.h (cgraph_remove_unreachable_nodes, cgraph_postorder,
2162         cgraph_decide_inlining_incrementally, cgraph_clone_inlined_nodes,
2163         cgraph_mark_inline_edge, cgraph_default_inline_p): Declare.
2164         * cgraphunit.c (cgraph_default_inline_p,
2165         cgraph_decide_inlining_incrementally,  ncalls_inlined,
2166         nfunctions_inlined, initial_insns, overall_insns, 
2167         cgraph_estimate_size_after_inlining, cgraph_estimate_growth,
2168         cgraph_clone_inlined_nodes, cgraph_mark_inline_edge,
2169         cgraph_mark_inline, cgraph_check_inline_limits,
2170         cgraph_default_inline_p, cgraph_recursive_inlining_p,
2171         update_callee_keys, lookup_recursive_calls,
2172         cgraph_decide_recursive_inlining, cgraph_set_inline_failed,
2173         cgraph_decide_inlining_of_small_functions, cgraph_decide_inlining,
2174         cgraph_decide_inlining_incrementally, cgraph_gate_inlining,
2175         pass_ipa_inline): Move to ipa-inline.c
2176         (cgraph_postorder, cgraph_remove_unreachable_nodes): Move to ipa.c
2177         * ipa.c: New file.
2178         * ipa-inline.c: New file.
2179
2180 2005-04-22  Eric Botcazou  <ebotcazou@libertysurf.fr>
2181
2182         * doc/invoke.texi (SPARC options): Document that -mapp-regs
2183         is turned off by default on Solaris.
2184
2185 2005-04-21  Roger Sayle  <roger@eyesopen.com>
2186
2187         * c-common.h (objc_build_method_signature): Update prototype.
2188         * stub-objc.c (objc_build_method_signature): Update the stub
2189         implementation to accept and ignore additional parameter.
2190         * c-parser.c (c_parser_objc_method_decl): Reorgnize to pass
2191         the value of ellipsis to objc_build_method_signature instead
2192         of setting TREE_OVERFLOW on the parms TREE_LIST node.
2193
2194 2005-04-21  Geoffrey Keating  <geoffk@apple.com>
2195
2196         * config/rs6000/rs6000-protos.h (rs6000_emit_sync): New.
2197         * config/rs6000/rs6000.c (rs6000_emit_vector_compare): Use
2198         gen_rtx_* not gen_rtx_fmt_*.
2199         (rs6000_emit_vector_select): Likewise.
2200         (rs6000_emit_sync): New.
2201         * config/rs6000/rs6000.md (GPR, INT, INT1): New mode macros.
2202         (larx, stcx, cmp): New mode substitutions.
2203         (UNSPEC_SYNC, UNSPEC_SYNC_OP, UNSPEC_SYNC_SWAP, UNSPEC_LWSYNC,
2204         UNSPEC_ISYNC): New constants.
2205         (rlwinm): Give name.
2206         (memory_barrier, isync, lwsync): New insns.
2207         (sync_compare_and_swap<mode>, sync_lock_test_and_set<mode>): New insn.
2208         (sync_lock_release<mode>): New expander.
2209         (sync_add<mode>, sync_sub<mode>, sync_ior<mode>, sync_and<mode>,
2210         sync_xor<mode>, sync_nand<mode>, sync_old_add<mode>,
2211         sync_old_sub<mode>, sync_old_ior<mode>, sync_old_and<mode>,
2212         sync_old_xor<mode>, sync_old_nand<mode>, sync_new_add<mode>,
2213         sync_new_sub<mode>, sync_new_ior<mode>, sync_new_and<mode>,
2214         sync_new_xor<mode>, sync_new_nand<mode>): New expanders.
2215         (sync_add<mode>_internal, sync_addshort_internal,
2216         sync_sub<mode>_internal, sync_andsi_internal, sync_anddi_internal,
2217         sync_boolsi_internal, sync_booldi_internal, sync_boolc<mode>_internal,
2218         sync_boolc<mode>_internal2, sync_boolcc<mode>_internal): New insns.
2219
2220         * doc/md.texi (Standard Names): sync_compare_and_swap's operand 0
2221         is the memory before, not after, the operation.  Clarify
2222         barrier requirements.
2223
2224 2005-04-21  Nathan Sidwell  <nathan@codesourcery.com>
2225
2226         * cfghooks.h (struct cfg_hooks): Reword comments to avoid 'abort'.
2227         * lambda.h (lambda_vector_min_nz): Likewise.
2228         * langhooks.h (struct lang_hooks_for_types,
2229         struct lang_hooks): Likewise.
2230         * output.h (assemble_integer, this_is_asm_operands): Likewise.
2231         * tree.h: Likewise.
2232         * vec.h: Likewise.
2233         * tree-flow-inline.h (relink_imm_use): Use gcc_assert.
2234         
2235         * optabs.c (prepare_cmp_insn, emit_cmp_and_jump_insns): Reword
2236         comments to avoid 'abort'.  Use gcc_assert as necessary.
2237         * opts.c (common_handle_option): Likewise.
2238         * pretty-print.c (pp_base_format_text): Likewise.
2239         * print-rtl.c (print_rtx): Likewise.
2240         * read-rtl.c (read_rtx_filename, read_rtx_1): Likewise.
2241         * regmove.c (try_auto_increment): Likewise.
2242         * reload.c (find_valid_class, find_reloads_toplev,
2243         find_equiv_reg): Likewise.
2244         * reload1.c (reload, forget_old_reloads_1, function_invariant_p, 
2245         merge_assigned_reloads): Likewise.
2246         * tree-inline.c (inline_forbidden_p_1,
2247         estimate_num_insns_1): Likewise.
2248         * tree-optimize.c (execute_todo): Likewise.
2249         * tree-outof-ssa.c (eliminate_phi): Likewise.
2250         * tree-ssa-alias.c (add_pointed_to_expr): Likewise.
2251         * tree-ssa-ccp.c (maybe_fold_stmt_indirect): Likewise.
2252         * tree-ssa-operands.c (parse_ssa_operands,
2253         get_indirect_ref_operands, create_ssa_artficial_load_stmt): Likewise.
2254         * tree-ssa-pre.c (find_or_generate_expression): Likewise.
2255         * tree-ssanames.c (release_ssa_name): Likewise.
2256         * tree.c (int_bit_position, int_byte_position, tree_low_cst, 
2257         walk_tree): Likewise.
2258
2259         * tree-ssa-operands.c (verify_abort): Fold into ..
2260         (verify_imm_links): ... here.
2261
2262 2005-04-21  Richard Henderson  <rth@redhat.com>
2263
2264         * config/alpha/sync.md (sync_new_nand<I48MODE>): Fix constraints
2265         on non-memory operand for previous inversion.
2266
2267 2005-04-21  Devang Patel  <dpatel@apple.com>
2268
2269         PR optimization/20994
2270         * tree-if-conv.c (find_phi_replacement_condition): Avoid generating
2271         x = !(a == b) : p , q;.
2272         (pass_if_conversion): Verify stmts and flow.
2273         
2274 2005-04-21  Nathan Sidwell  <nathan@codesourcery.com>
2275
2276         * optabs.c (gen_conditional_trap): Restore #define.
2277
2278         * alias.c (true_dependence): Remove 'abort' from comments. Use
2279         gcc_assert and gcc_unreachable as appropriate.
2280         (canon_true_dependence): Likewise.
2281         * bb-reorder.c (connect_traces): Likewise.
2282         * c-common.c (c_add_case_label): Likewise.
2283         * c-decl.c (finish_function): Likewise.
2284         * caller-save.c (insert_restore, insert_save): Likewise.
2285         * cfg.c (update_bb_profile_for_threading): Likewise.
2286         * cfganal.c (flow_active_insn_p): Likewise.
2287         * cfgexpand.c (add_reg_br_prob_note): Likewise.
2288         * cfgrtl.c (rtl_redirect_edge_and_branch_force, rtl_split_edge,
2289         cfg_layout_merge_blocks): Likewise.
2290         * ifcvt.c (cond_exec_process_insns, merge_if_block,
2291         find_if_block): Likewise.
2292         * integrate.c (allocate_initial_values): Likewise.
2293         * jump.c (reverse_condition, reverse_condition_maybe_unordered,
2294         swap_condition, unsigned_condition, signed_condition,
2295         mark_jump_label, invert_jump_1, rtx_renumbered_equal_p,
2296         reg_or_subregno): Likewise.
2297         * lambda-code.c (lambda_compute_auxillary_space,
2298         lambda_transform_legal_p): Likewise.
2299         * lambda-mat.c (lambda_matrix_inverse_hard): Likewise.
2300         * langhooks.c (lhd_set_decl_assembler_name, lhd_type_promotes_to,
2301         lhd_incomplete_type_error, lhd_expand_expr,
2302         lhd_types_compatible_p, lhd_tree_size): Likewise.
2303         * lcm.c (create_pre_exit, optimize_mode_switching): Likewise.
2304         * local-alloc.c (update_equiv_regs): Likewise.
2305         * loop-unroll.c (peel_loop_completely
2306         unroll_loop_constant_iterations, unroll_loop_runtime_iterations,
2307         peel_loop_simple, unroll_loop_stupid,
2308         analyze_iv_to_split_insn): Likewise.
2309         * loop.c (gen_prefetch, find_and_verify_loops,
2310         basic_induction_var): Likewise.
2311         * modulo-sched.c (normalize_sched_times, check_nodes_order): Likewise.
2312         * value-prof.c (tree_find_values_to_profile): Likewise.
2313         * varasm.c (named_section, default_assemble_integer,
2314         decode_addr_const): Likewise.
2315
2316 2005-04-21 Alan Modra  <amodra@bigpond.net.au>
2317            Fariborz Jahanian <fjahanian@apple.com>
2318
2319         * config/rs6000/rs6000.c (rs6000_arg_partial_bytes): Fix size of
2320         portion of argument passed in fpr.
2321         * expr.c (emit_push_insn): Fix computation of 'offset' used to
2322         decide on partial argument save on stack.
2323
2324 2005-04-21  Kazu Hirata  <kazu@cs.umass.edu>
2325
2326         * config/sparc/predicates.md, config/sparc/sparc.md: Fix
2327         comment typos.
2328
2329 2005-04-21  Jan Hubicka  <jh@suse.cz>
2330
2331         * cgraphunit.c: Include tree-pass.h
2332         (cgraph_decide_recursive_inlining,
2333         cgraph_decide_inlining_of_small_function, cgraph_set_inline_failed,
2334         cgraph_decide_inlining): Dump goes to dump_file.
2335         (cgraph_optimize): Call ipa passes instead of inliner.
2336         (cgraph_gate_inlining, pass_ipa_inline): New.
2337         * tree-optimize.c (all_ipa_passes): New static variable.
2338         (register_one_dump_file): Dead with IPA passes.
2339         (register_dump_files): Likewise.
2340         (init_tree_optimization_passes): Initialize IPA passes.
2341         (execute_todo): Do cgraph dump when asked to, do not dump function body
2342         for IPA pass.
2343         * tree-pass.h (TODO_dump_cgraph): New macro.
2344         (ipa_passes): Declare.
2345         * Makefile.in (cgraphunit.o): Add dependency on cgraphunit.h
2346
2347 2005-04-21  Nathan Sidwell  <nathan@codesourcery.com>
2348
2349         * config/i386/i386.c (type_natural_mode): Use gcc_unreachable and
2350         gcc_assert instead of abort.
2351         (classify_argument, examine_argument, construct_container,
2352         contains_128bit_aligned_vector_p, ix86_check_movabs,
2353         standard_80387_constant_opcode, standard_80387_constant_rtx,
2354         ix86_initial_elimination_offset, ix86_compute_frame_layout,
2355         pro_epilogue_adjust_stack, ix86_expand_epilogue,
2356         ix86_address_cost, legitimate_address_p, legitimize_pic_address,
2357         legitimize_tls_address, output_pic_addr_const,
2358         i386_output_dwarf_dtprel, put_condition_code, print_reg,
2359         get_some_local_dynamic_name, print_operand, print_operand_address,
2360         output_387_binary_op, emit_i387_cw_initialization,
2361         output_fix_trunc, output_fp_compare, ix86_output_addr_vec_elt,
2362         ix86_expand_clear, ix86_expand_binary_operator,
2363         ix86_expand_unary_operator, ix86_match_ccmode, ix86_cc_mode,
2364         ix86_cc_modes_compatible, ix86_fp_comparison_codes,
2365         ix86_fp_comparison_arithmetics_cost, ix86_expand_fp_compare,
2366         ix86_expand_branch, ix86_expand_setcc,
2367         ix86_expand_carry_flag_compare, ix86_expand_fp_movcc,
2368         ix86_expand_int_addcc, ix86_split_to_parts, ix86_split_long_move,
2369         ix86_expand_movmem, ix86_expand_call, assign_386_stack_local,
2370         memory_address_length, ix86_attr_length_immediate_default,
2371         ix86_attr_length_address_default, ix86_agi_dependant,
2372         x86_initialize_trampoline, ix86_init_mmx_sse_builtins,
2373         ix86_expand_binop_builtin, ix86_force_to_memory,
2374         ix86_secondary_memory_needed, ix86_avoid_jump_misspredicts,
2375         x86_emit_floatuns): Likewise.
2376         * config/i386/netware.c (gen_regparm_prefix,
2377         i386_nlm_strip_name_encoding): Likewise.
2378         * config/i386/winnt.c (i386_pe_mark_dllexport): Likewise.
2379
2380 2005-04-21  Nathan Sidwell  <nathan@codesourcery.com>
2381
2382         * optabs.c (gen_condiational_trap): Remove #define.
2383         (add_equal_note): Assertify. Remove explicit indirection from
2384         call via function pointer.
2385         (expand_ternary_op, expand_simple_binop, expand_binop,
2386         expand_twoval_unop, expand_twoval_binop,
2387         expand_twoval_binop_libfunc, expand_simple_unop expand_unop,
2388         emit_unop_insn,  emit_no_conflict_block,  prepare_cmp_insn,
2389         prepare_operand emit_cmp_and_jump_insn_1, emit_cmp_and_jump_insns,
2390         prepare_float_lib_cmp, emit_conditional_move,
2391         emit_conditional_add, gen_add2_insn, gen_add3_insn,
2392         have_add2_insn, gen_sub2_insn, gen_sub3_insn, have_sub2_insn,
2393         expand_float, expand_fix, debug_optab_libfuncs, gen_cond_trap,
2394         vector_compare_rtx, expand_vec_cond_expr): Likewise.
2395
2396 2005-04-21  Nathan Sidwell  <nathan@codesourcery.com>
2397
2398         * vec.h: Update API to separate allocation mechanism from type.
2399         (VEC_safe_grow): New.
2400         * vec.c (calculate_allocation): New.
2401         (vec_gc_o_reserve, vec_heap_o_reserve): Adjust.
2402         (vec_gc_free, vec_heap_free): Remove.
2403         * gengtype-lex.l (DEF_VEC_): Process mult-argument macros.  Adjust.
2404         (VEC): Likewise.
2405         (mangle_macro_name): New.
2406         (struct macro_def): New.
2407         (struct macro): Add multiple argument values.
2408         (macro_expans_end): New.
2409         (push_macro_expansion):  Chain on new macro. Process multiple
2410         args, create follow on expansion. Return follow on argument.
2411         (macro_input): Deal with multiple arguments.
2412         
2413         * tree.h: Define VEC(tree,heap) and VEC(tree,gc).
2414         (struct tree_binfo): Adjust.
2415         * basic-block.h: Define VEC(edge,gc).
2416         (struct edge_def): Adjust.
2417         (struct basic_block_def, struct edge_iterator): Likewise.
2418         (ei_container, ei_start_1, ei_last_1): Likewise.
2419         * cfg.c (connect_src, connect_dest): Likewise.
2420         * cfgrtl.c (force_nonfallthru_and_redirect)
2421         * dbxout.c (dbxout_type)
2422         * dwarf2out.c (gen_member_die)
2423         * lambda-code.c: Define VEC(int,gc), VEC(lambda_loop,gc).
2424         (gcc_tree_to_linear_expression): Adjust.
2425         (gcc_loop_to_lambda_loop, gcc_loopnest_to_lambda_loopnest,
2426         lbv_to_gcc_expression, lle_to_gcc_expression,
2427         lambda_loopnest_to_gcc_loopnest, can_convert_to_perfect_nest,
2428         perfect_nestify): Likewise.
2429         * lambda.h (gcc_loopnest_to_lambda_loopnest,
2430         lambda_loopnest_to_gcc_loopnest): Adjust prototypes.
2431         * profile.c (instrument_values): Adjust.
2432         * tree-cfg.c (modified_noreturn_calls): Adjust.
2433         (remove_fallthru_edge): Likewise.
2434         * tree-dump.c (dequeue_and_dump): Adjust.
2435         * tree-flow-inline.h (mark_stmt_modified): Adjust.
2436         * tree-flow.h (modified_noreturn_calls): Adjust.
2437         (tree_on_heap): Remove. (yay!)
2438         (register_new_def): Adjust.
2439         * tree-into-ssa.c: Define VEC(int,heap).
2440         (block_defs_stack): Adjust.
2441         (find_idf, insert_phi_nodes, register_new_def,
2442         rewrite_initialize_block, rewrite_finalize_block,
2443         register_new_update_single, rewrite_update_init_block,
2444         rewrite_update_fini_block, rewrite_blocks,
2445         ssa_rewrite_finalize_block, ssa_register_new_def,
2446         ssa_rewrite_initialize_block, rewrite_ssa_into_ssa): Likewise.
2447         * tree-loop-linear.c (linear_transform_loops): Adjust.
2448         * tree-ssa-alias.c: Define VEC(fieldoff_t,heap).
2449         (push_fields_onto_fieldstack, create_overlap_variables_for): Adjust.
2450         * tree-ssa-dom.c (avail_exprs_stack, block_defs_stack,
2451         stmts_to_rescan, const_and_copies_stack, nonzero_vars_stack,
2452         vrp_variables_stack): Adjust declarations.
2453         (tree_ssa_dominator_optimize): Adjust.
2454         (dom_opt_initialize_block, remove_local_expressions_from_table,
2455         restore_nonzero_vars_to_original_value,
2456         restore_vars_to_original_value,
2457         restore_currdefs_to_original_value, dom_opt_finalize_block,
2458         record_var_is_nonzero, record_cond, record_const_or_copy_1,
2459         optimize_stmt, update_rhs_and_lookup_avail_expr,
2460         lookup_avail_expr, record_range): Likewise.
2461         * tree-ssa-pre.c: Define VEC(basic_block,heap).
2462         (compute_antic_aux): Adjust.
2463         (inserted_exprs, create_expression_by_pieces, 
2464         insert_into_preds_of_block, eliminate, mark_operand_necessary, 
2465         remove_dead_inserted_code, fini_pre): Likewise.
2466         * tree-ssa-propagate.c (interesting_ssa_edges): Adjust.
2467         (varying_ssa_edges, add_ssa_edge, process_ssa_edge_worklist. 
2468         ssa_prop_init): Likewise.
2469         * tree-ssa.c: Define VEC(bitmap,heap).
2470         (verify_name_tags): Adjust.
2471         * value-prof.c (rtl_divmod_values_to_profile): Adjust.
2472         (insn_prefetch_values_to_profile, rtl_find_values_to_profile,
2473         tree_divmod_values_to_profile, tree_find_values_to_profile,
2474         value_profile_transformations): Likewise.
2475         * value-prof.h: Define VEC(histogram_value,heap).
2476         * varasm.c: Remove alias_pair pointer typedef, define
2477         VEC(alias_pair,gc).
2478         (finish_aliases_1, finish_aliases_2, assemble_alias): Adjust.
2479         
2480         * config/pa/pa.c (typedef extern_symbol): Typedef the structure,
2481         not a pointer to it.  Create an object vector.
2482         (extern_symbols): Turn into an object vector.
2483         (pa_hpux_asm_output_external, pa_hpux_file_end): Adjust.
2484
2485 2005-04-21  Sebastian Pop  <pop@cri.ensmp.fr>
2486
2487         PR/20742
2488         * Makefile.in (tree-chrec.o): Depend on params.h.
2489         * params.def (PARAM_SCEV_MAX_EXPR_SIZE): New parameter with
2490         default value 20.
2491         * tree-chrec.c: Depend on params.h.  Replace build with buildN,
2492         and fold build with fold_buildN.
2493         (chrec_fold_plus_1): Fail with a chrec_don_know when the size of
2494         the expression exceeds PARAM_SCEV_MAX_EXPR_SIZE.
2495         (tree_contains_chrecs): Compute an estimation of the size of the
2496         given expression.
2497         * tree-chrec.h (tree_contains_chrecs): Modify its declaration.
2498         (tree_does_not_contain_chrecs): Update the use of tree_contains_chrecs.
2499         * tree-scalar-evolution.c (simple_iv): Ditto.
2500         * doc/invoke.texi (scev-max-expr-size): Documented.
2501
2502 2005-04-21  Richard Sandiford  <rsandifo@redhat.com>
2503
2504         * config.gcc (*-*-darwin*): Add darwin.opt to $extra_options.
2505         (i[34567]86-pc-msdosdjgpp*): Likewise i386/djgpp.opt.
2506         (i[34567]86-*-lynxos*, powerpc-*-lynxos*): Likewise lynx.opt.
2507         (i[34567]86-*-sco3.2v5*): Likewise i386/sco5.opt.
2508         (i[34567]86-*-pe, i[34567]86-*-cygwin*, i[34567]86-*-mingw32*)
2509         (i[34567]86-*-uwin*): Likewise i386/cygming.opt.
2510         * config/darwin.h (darwin_one_byte_bool, darwin_fix_and_continue)
2511         (darwin_fix_and_continue_switch, SUBTARGET_OPTIONS): Delete.
2512         * config/darwin.c (darwin_one_byte_bool, darwin_fix_and_continue)
2513         (darwin_fix_and_continue_switch): Delete.
2514         * config/lynx.h (SUBTARGET_OS_LYNX_SWITCHES): Delete.
2515         (SUBTARGET_SWITCHES): Delete.
2516         * config/i386/i386.h (target_flags, MASK_80387, MASK_RTD)
2517         (MASK_ALIGN_DOUBLE, MASK_SVR3_SHLIB, MASK_IEEE_FP, MASK_FLOAT_RETURNS)
2518         (MASK_NO_FANCY_MATH_387, MASK_OMIT_LEAF_FRAME_POINTER)
2519         (MASK_STACK_PROBE, MASK_NO_ALIGN_STROPS, MASK_INLINE_ALL_STROPS)
2520         (MASK_NO_PUSH_ARGS, MASK_ACCUMULATE_OUTGOING_ARGS, MASK_MMX)
2521         (MASK_SSE, MASK_SSE2, MASK_SSE3, MASK_3DNOW, MASK_3DNOW_A)
2522         (MASK_128BIT_LONG_DOUBLE, MASK_64BIT, MASK_MS_BITFIELD_LAYOUT)
2523         (MASK_TLS_DIRECT_SEG_REFS, MASK_NO_RED_ZONE, TARGET_80387)
2524         (TARGET_RTD, TARGET_ALIGN_DOUBLE, TARGET_PUSH_ARGS)
2525         (TARGET_ACCUMULATE_OUTGOING_ARGS, TARGET_SVR3_SHLIB, TARGET_IEEE_FP)
2526         (TARGET_128BIT_LONG_DOUBLE, TARGET_NO_FANCY_MATH_387)
2527         (TARGET_USE_FANCY_MATH_387, TARGET_OMIT_LEAF_FRAME_POINTER)
2528         (TARGET_DEBUG_ADDR, TARGET_DEBUG_ARG): Delete.
2529         (TARGET_FLOAT_RETURNS_IN_80387): Make an alias of TARGET_FLOAT_RETURNS.
2530         (TARGET_64BIT): Undef before redefining.
2531         (TARGET_TLS_DIRECT_SEG_REFS, TARGET_STACK_PROBE)
2532         (TARGET_ALIGN_STRINGOPS, TARGET_INLINE_ALL_STRINGOPS, TARGET_SSE)
2533         (TARGET_SSE2, TARGET_SSE3, TARGET_MMX, TARGET_3DNOW, TARGET_3DNOW_A)
2534         (TARGET_RED_ZONE, TARGET_USE_MS_BITFIELD_LAYOUT, TARGET_SWITCHES)
2535         (TARGET_OPTIONS, SUBTARGET_SWITCHES, SUBTARGET_OPTIONS)
2536         (ix86_fpmath_string, ix86_tls_dialect_string, ix86_cmodel_string)
2537         (ix86_asm_string, ix86_regparm, ix86_regparm_string)
2538         (ix86_preferred_stack_boundary_string, ix86_branch_cost_string)
2539         (ix86_debug_arg_string, ix86_debug_addr_string)
2540         (ix86_align_loops_string, ix86_align_jumps_string)
2541         (ix86_align_funcs_string): Delete.
2542         * config/i386/cygming.h (MASK_NOP_FUN_DLLIMPORT)
2543         (TARGET_NOP_FUN_DLLIMPORT, SUBTARGET_SWITCHES): Delete.
2544         * config/i386/djgpp.h (MASK_BNU210, SUBTARGET_SWITCHES): Delete.
2545         (SUBTARGET_OVERRIDE_OPTIONS): Check TARGET_BNU210.
2546         * config/i386/lynx.h (SUBTARGET_SWITCHES): Delete.
2547         * config/i386/sco5.h (MASK_COFF, TARGET_ELF)
2548         (SUBTARGET_SWITCHES): Delete.
2549         * config/i386/i386.c (ix86_debug_arg_string): Delete.
2550         (ix86_debug_addr_string): Delete.
2551         (ix86_cmodel_string, ix86_asm_string, ix86_tls_dialect_string)
2552         (ix86_fpmath_string, ix86_regparm_string, ix86_regparm)
2553         (ix86_align_loops_string, ix86_align_jumps_string)
2554         (ix86_preferred_stack_boundary_string, ix86_branch_cost_string)
2555         (ix86_align_funcs_string): Make static.
2556         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
2557         (ix86_handle_option): New function.
2558         (TARGET_USE_MS_BITFIELD_LAYOUT): Delete.
2559         (ix86_ms_bitfield_layout_p): Check TARGET_MS_BITFIELD_LAYOUT.
2560         * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Remove handling
2561         of darwin_fix_and_continue_switch.
2562         (darwin_one_byte_bool): Delete.
2563         * config/rs6000/lynx.h (EXTRA_SUBTARGET_SWITCHES): Delete.
2564         * config/rs6000/rs6000.c (rs6000_override_options): Update assignment
2565         to darwin_one_byte_bool.
2566         * config/darwin.opt, config/lynx.opt, config/i386/cygming.opt,
2567         * config/i386/djgpp.opt, config/i386/i386.opt,
2568         * config/i386/sco5.opt: New files.
2569
2570 2005-04-21  Eric Botcazou  <ebotcazou@libertysurf.fr>
2571
2572         * config/sparc/sparc.c (reg_or_0_operand, const1_operand,
2573         fp_zero_operand, fp_register_operand, intreg_operand,
2574         fcc_reg_operand, fcc0_reg_operand, icc_or_fcc_reg_operand,
2575         call_operand, call_operand_address, tgd_symbolic_operand,
2576         tld_symbolic_operand, tie_symbolic_operand, tle_symbolic_operand,
2577         symbolic_operand, symbolic_memory_operand, label_ref_operand,
2578         sp64_medium_pic_operand, data_segment_operand,
2579         text_segment_operand, splittable_symbolic_memory_operand,
2580         reg_or_nonsymb_mem_operand, splittable_immediate_memory_operand,
2581         eq_or_neq, normal_comp_operator, noov_compare_op,
2582         noov_compare64_op, v9_regcmp_op, extend_op, cc_arithop,
2583         cc_arithopn, arith_operand, arith_4096_operand, arith_add_operand,
2584         const64_operand, const64_high_operand, arith11_operand,
2585         arith10_operand, arith_double_operand, arith_double_4096_operand,
2586         arith_double_add_operand, arith11_double_operand,
2587         arith10_double_operand, small_int, small_int_or_double,
2588         uns_small_int, uns_arith_operand, clobbered_register,
2589         input_operand, compare_operand): Delete.
2590         (sparc_emit_set_const32): Use predicates in assertion.  Remove special
2591         code for TARGET_ARCH64 && HOST_BITS_PER_WIDE_INT != 64.
2592         (sparc_emit_set_const64): Call gcc_unreachable if H_B_P_W_I == 32.
2593         (GEN_HIGHINT64, GEN_INT64): Delete.
2594         (sparc_emit_set_safe_HIGH64, gen_safe_SET64, gen_safe_OR64,
2595         gen_safe_XOR64): Adjust for above deletion.
2596         (sparc_emit_set_const64): Support only H_B_P_W_I == 64 and CONST_INTs.
2597         Use 'unsigned HOST_WIDE_INT' instead of 'long' for bitmask.
2598         (legitimate_constant_p): Use const_zero_operand instead.
2599         (sparc_extra_constraint_check): Likewise.
2600         * config/sparc/sparc.h (CONST_DOUBLE_OK_FOR_LETTER_P): Remove 'O'.
2601         (PREFERRED_RELOAD_CLASS): Use const_zero_operand.
2602         (PREDICATE_CODES): Delete.
2603         * config/sparc/sparc.md: Include predicates.md.
2604         (All patterns): Adjust for new predicate names.
2605         (cmpdi, cmpdi_sp64): Use arith_operand predicate.
2606         (movhi_const64_special, movsi_const64_special): Add 'K' constraint.
2607         (movdi): Use general_operand predicate.
2608         (movdi_sp64_dbl): Delete.
2609         (movdi_const64_special): Add 'N' constraint.
2610         (movdicc): Use arith10_operand predicate.
2611         (movdi_cc_sp64, movdi_cc_sp64_trunc): Use arith11_operand predicate.
2612         (movdi_cc_reg_sp64): Use arith10_operand predicate.
2613         (movdi_cc_reg_sp64_trunc): Delete.
2614         (cmp_zero_extract, cmp_zero_extract_sp64): Use small_int_operand.
2615         (adddi3_sp64, cmp_ccx_plus, cmp_ccx_plus_set): Use arith_operand.
2616         (subdi3_sp32): Delete.
2617         (subdi3_insn_sp32): Change to define_insn_and_split.
2618         (subdi3_sp64, cmp_minus_ccx, cmp_minus_ccx_set): Use arith_operand.
2619         (muldi3, muldi3_sp64, muldi3_v8plus): Likewise.
2620         (smulsi3_highpart_v8plus, const_smulsi3_highpart_v8plus,
2621         umulsi3_highpart_v8plus, const_umulsi3_highpart_v8plus): Use
2622         small_int_operand predicate.
2623         (divdi3, udivdi3): Use arith_operand predicate.
2624         (udivsi3, udivsi3_sp32, udivsi3_sp64): Use nonimmediate_operand.
2625         (and<V64I>3_sp64, ior<V64I>3_sp64, xor<V64I:mode>3_sp64,
2626         xor_not_<V64I:mode>_sp64) : Use arith_operand predicate.
2627         (xordi3_sp64_dbl): Delete.
2628         (cmp_ccx_arith_op, cmp_ccx_arith_op_set, cmp_ccx_xor_not,
2629         cmp_ccx_xor_not_set, cmp_ccx_arith_op_not, cmp_ccx_arith_op_not_set,
2630         cmp_ccx_neg, cmp_ccx_set_neg, one_cmpl<V64I>2_sp64, cmp_ccx_not,
2631         cmp_ccx_set_not): Use arith_operand predicate.
2632         (ashrsi3_extend2, lshrsi3_extend2 et al.): Use small_int_operand.
2633         * config/sparc/predicates.md: New file.
2634
2635 2005-04-21  Kazu Hirata  <kazu@cs.umass.edu>
2636
2637         PR tree-optimization/14846
2638         * fold-const.c (fold_single_bit_test_into_sign_test): New,
2639         split out from ...
2640         (fold_single_bit_test): ... here.
2641         (fold_binary): Call fold_single_bit_test_into_sign_test
2642         instead of fold_single_bit_test.
2643
2644 2005-04-20  James E Wilson  <wilson@specifixinc.com>
2645
2646         PR c++/20805
2647         * dwarf2out.c (gen_variable_die): Don't emit a specification if this
2648         is another declaration.
2649
2650 2005-04-21  Hans-Peter Nilsson  <hp@axis.com>
2651
2652         * config/cris/predicates.md: New file.
2653         * config/cris/cris-protos.h (cris_store_multiple_op_p)
2654         (cris_movem_load_rest_p): Declare.
2655         * config/cris/cris.c (cris_store_multiple_op): Return bool, not int.
2656         (cris_movem_load_rest_p): Ditto.  Globalize.
2657         (cris_bdap_operand, cris_bdap_biap_operand,
2658         cris_orthogonal_operator, cris_commutative_orth_op,
2659         cris_operand_extend_operator,
2660         cris_additive_operand_extend_operator, cris_extend_operator,
2661         cris_plus_or_bound_operator, cris_mem_op,
2662         cris_general_operand_or_symbol,
2663         cris_general_operand_or_gotless_symbol,
2664         cris_general_operand_or_plt_symbol, cris_mem_call_operand,
2665         cris_load_multiple_op): Remove predicate functions.
2666         (cris_symbol, cris_gotless_symbol) <case UNSPEC>: Return 0, don't
2667         abort, for UNSPECs other than CRIS_UNSPEC_PLT.
2668         * config/cris/cris.h (PREDICATE_CODES): Don't define.
2669         * config/cris/cris.md: Include predicates.md.
2670         ("call", "call_value"): Generate CONSTs of Pmode, not VOIDmode.
2671
2672 2005-04-20  Ian Lance Taylor  <ian@airs.com>
2673
2674         * c-common.def: Remove STMT_EXPR (moved to cp/cp-tree.def).
2675         * c-common.h (STMT_EXPR_STMT): Don't define.
2676         (STMT_EXPR_NO_SCOPE): Don't define.
2677         * c-dump.c (c_dump_tree): Don't handle STMT_EXPR.
2678         * c-pretty-print.c (pp_c_primary_expression): Likewise.
2679         (pp_c_expression): Likewise.
2680
2681 2005-04-20  Richard Henderson  <rth@redhat.com>
2682
2683         PR target/21100
2684         * config/i386/mmx.md (push<MMXMODE>1): Fix predicate thinko.
2685
2686 2005-04-20  Jeff Law  <law@redhat.com>
2687
2688         * reload1.c (reload): Ignore equivalences between pseudos and
2689         read only memory.
2690
2691 2005-04-20  Joseph S. Myers  <joseph@codesourcery.com>
2692
2693         PR c/12913
2694         * c-tree.h (struct c_label_list): Update comment.
2695         (struct c_label_context): Rename to struct c_label_context_se.
2696         (label_context_stack): Rename to label_context_stack_se.
2697         (C_DECL_UNJUMPABLE_VM, C_DECL_UNDEFINABLE_VM, struct
2698         c_label_context_vm, label_context_stack_vm, c_begin_vm_scope,
2699         c_end_vm_scope): New.
2700         (C_DECL_DECLARED_BUILTIN, C_DECL_USED): Use FUNCTION_DECL_CHECK.
2701         * c-decl.c (pop_scope): Call c_end_vm_scope.
2702         (pushdecl): Call c_begin_vm_scope for variably modified
2703         declarations.
2704         (define_label): Check for jumping into scope of identifier with
2705         variably modified type.  Push label on stack for those defined at
2706         current context of identifiers with variably modified type.
2707         (start_function): Create stack level for context of identifiers
2708         with variably modified type.
2709         (finish_function): Pop stack level for context of identifiers with
2710         variably modified type.
2711         * c-typeck.c (label_context_stack): Rename to
2712         label_context_stack_se.
2713         (label_context_stack_vm, c_begin_vm_scope, c_end_vm_scope): New.
2714         (c_finish_goto_label): Check for jumping into scope of identifier
2715         with variably modified type.  Push label on stack for those jumped
2716         to from current context of identifiers with variably modified
2717         type.
2718         (struct c_switch): Add blocked_vm.
2719         (c_start_case): Initialize blocked_vm.
2720         (do_case): Check blocked_vm.
2721         (c_finish_case): Add comment.
2722         (c_begin_stmt_expr, c_finish_stmt_expr): Update for renamed
2723         variable label_context_stack.
2724
2725 2005-04-20  Kazu Hirata  <kazu@cs.umass.edu>
2726
2727         * tree-ssa-phiopt.c (tree_ssa_phi_opt): Update calls to
2728         conditional_replacement, value_replacement, abs_replacement,
2729         minmax_replacement.
2730         (replace_phi_edge_with_variable): Remove argument BB.
2731         (conditional_replacement, value_replacement,
2732         minmax_replacement, abs_replacement): Remove argument PHI_BB.
2733         Update a call to replace_phi_edge_with_variable.
2734
2735         * tree-ssa-phiopt.c: Fix comments.
2736
2737 2005-04-20  Michael Matz  <matz@suse.de>
2738
2739         PR20973
2740         * reload.c (push_reload, find_dummy_reload): Check for uninitialized
2741         pseudos.
2742
2743 2005-04-20  Kazu Hirata  <kazu@cs.umass.edu>
2744
2745         * tree-ssa-phiopt.c: Fix comment typos.
2746
2747         PR tree-optimization/21116
2748         * tree-ssa-phiopt.c: Fix a typo.
2749
2750 2005-04-19  Richard Henderson  <rth@redhat.com>
2751
2752         * builtins.c (expand_builtin_sync_operation): Revert last change.
2753         * optabs.c (expand_bool_compare_and_swap): Compare vs old value,
2754         not vs new value.
2755         (expand_compare_and_swap_loop): Likewise.
2756         (expand_sync_operation): Remove fallback from NAND to AND; invert
2757         memory operand when expanding from cmpxchg.
2758         (expand_sync_fetch_operation): Likewise.
2759         * doc/extend.texi (Atomic Builtins): Fix docs for nand and
2760         compare-and-swap.
2761
2762         * config/alpha/alpha.c (alpha_split_atomic_op): Invert memory operand
2763         when implementing NAND.  Fix double-add for AFTER.
2764         * config/alpha/sync.md (sync_nand<I48MODE>): Invert memory operand.
2765         (sync_old_nand<I48MODE>, sync_new_nand<I48MODE>): Likewise.
2766         (sync_compare_and_swap<I48MODE>): Fix compare vs zero.  Return old
2767         memory value.
2768         (sync_lock_test_and_set<I48MODE>): Remove extra label and last
2769         memory barrier.
2770
2771         * config/i386/sync.md (sync_compare_and_swap<IMODE>): Fix pattern
2772         to return old memory value.
2773         (sync_compare_and_swap_cc<IMODE>): Likewise.
2774
2775         * config/ia64/ia64.c (ia64_dependencies_evaluation_hook): Early
2776         return pre-reload.  Don't consider output or anti dependencies.
2777         * config/ia64/sync.md (IMODE): New.
2778         (modesuffix): Add QI and HI.
2779         (memory_barrier): Simplify expansion.
2780         (sync_compare_and_swap<IMODE>): Use IMODE, not I48MODE.
2781         (cmpxchg_acq_<IMODE>): Likewise.
2782         (sync_lock_test_and_set<IMODE>): Likewise.
2783         (sync_lock_release<IMODE>): Likewise.
2784
2785 2005-04-19  James A. Morrison  <phython@gcc.gnu.org>
2786
2787         * fold-const.c (fold_binary): Fold ~(X ^ Y) to ~X ^ Y or X ^ ~Y if
2788         ~X or ~Y simplify.
2789
2790 2005-04-19  James A. Morrison  <phython@gcc.gnu.org>
2791
2792         * fold-const (fold_binary):  Fold ~X ^ ~ Y to X ^ Y.
2793
2794 2005-04-20  Michael Pogue  <michael.pogue@sun.com>
2795             Joseph S. Myers  <joseph@codesourcery.com>
2796
2797         * c.opt (Wint-to-pointer-cast, Wpointer-to-int-cast): New options.
2798         * c-typeck.c (build_c_cast): Check these options.
2799         * doc/invoke.texi: Document these options.
2800
2801 2005-04-20  Kazu Hirata  <kazu@cs.umass.edu>
2802
2803         * tree-ssa-phiopt.c: Update a comment about the pass.
2804
2805 2005-04-19  Kazu Hirata  <kazu@cs.umass.edu>
2806
2807         * tree-ssa-phiopt.c, config/arm/arm.c, config/fr30/fr30.md,
2808         config/mcore/mcore.c: Fix comment typos.
2809
2810 2005-04-19  Daniel Jacobowitz  <dan@codesourcery.com>
2811
2812         * Makefile.in (libgcc.mk): Pass GCC_FOR_TARGET.
2813         * mklibgcc.in: Use $GCC_FOR_TARGET instead of ./xgcc.
2814
2815 2005-04-19  Paul Brook  <paul@codesourcery.com>
2816
2817         * config/arm/arm.c (arm_init_libfuncs): Clear mod optabs. 
2818
2819 2005-04-19  Andrew Haley  <aph@redhat.com>
2820
2821         PR java/21022
2822         * dbxout.c (dbxout_type_fields): Check DECL_IGNORED_P before
2823         looking at a field's bitpos.
2824
2825 2005-04-19  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2826
2827         * system.h (fopen, fdopen, freopen): Define these to the unlocked
2828         libiberty functions.
2829
2830 2005-04-19  Kazu Hirata  <kazu@cs.umass.edu>
2831
2832         PR tree-optimization/21096
2833         * tree-ssa-copy.c (fini_copy_prop): Free cached_last_copy_of.
2834
2835 2005-04-19  Alan Modra  <amodra@bigpond.net.au>
2836
2837         PR target/21098
2838         * config/rs6000/rs6000.c (rs6000_elf_end_indicate_exec_stack): New.
2839         * config/rs6000/linux64.h (TARGET_ASM_FILE_END): Use the above.
2840
2841 2005-04-19  Alexandre Oliva  <aoliva@redhat.com>
2842
2843         * tree-cfg.c (dump_function_to_file): Use cfun info only if it
2844         refers to the function being dumped.
2845
2846 2005-04-18  Daniel Jacobowitz  <dan@codesourcery.com>
2847
2848         * varasm.c (assemble_start_function): Remove reset of in_section.
2849
2850 2005-04-18  James A. Morrison  <phython@gcc.gnu.org>
2851
2852         PR tree-optimization/21085
2853         * fold-const (fold_binary): Don't change X % -C to X % C if C has
2854         overflowed.
2855
2856 2005-04-19  Ben Elliston  <bje@au.ibm.com>
2857
2858         * doc/invoke.texi (Optimize Options): Refer to the correct
2859         optimisation flag -ftree-dominator-opts, not -ftree-dom.
2860
2861 2005-04-18  Christopher Jaillet <christophe.jaillet@wanadoo.fr>
2862
2863         * config/rs6000/rs6000.c (machopic_output_stub):  Increase
2864         alloca argument to be big enough.
2865
2866 2005-04-18  Alexandre Oliva  <aoliva@redhat.com>
2867
2868         PR middle-end/21049
2869         * tree-cfg.c (dump_function_to_file): Do not crash if cfun or
2870         cfun->cfg are NULL.
2871
2872 2005-04-18  Tom Tromey  <tromey@redhat.com>
2873
2874         * cgraphunit.c (cgraph_finalize_compilation_unit): Fix a comment
2875         typo.
2876
2877 2005-04-18  Richard Henderson  <rth@redhat.com>
2878
2879         * config/alpha/alpha.c (alpha_split_atomic_op): New.
2880         (alphaev5_insn_pipe): Add LD_L, ST_C, MB types.
2881         (alphaev4_insn_pipe): Likewise.  Correct IST and LDSYM pipes.
2882         * config/alpha/alpha-protos.h: Update.
2883         * config/alpha/alpha.md (UNSPECV_MB, UNSPECV_LL, UNSPECV_SC): New.
2884         (UNSPECV_ATOMIC, UNSPECV_CMPXCHG, UNSPECV_XCHG): New.
2885         (attr type): Add ld_l, st_c, mb.
2886         (andsi_internal, andnotsi3, iorsi_internal, one_cmplsi_internal,
2887         iornotsi3, xorsi_internal, xornotsi3): New.
2888         * config/alpha/ev4.md (ev4_ld): Add ld_l.
2889         (ev4_ist_c, ev4_mb): New.
2890         * config/alpha/ev5.md (ev5_st): Add st_c, mb.
2891         (ev5_ld_l): New.
2892         * config/alpha/ev6.md (ev6_ild): Add ld_l.
2893         (ev6_ist): Add st_c.
2894         (ev6_mb): New.
2895         * config/alpha/sync.md: New file.
2896
2897 2005-04-18  Richard Henderson  <rth@redhat.com>
2898
2899         * builtins.c (expand_builtin_sync_operation): Fold nand to and
2900         for constants.
2901
2902         * optabs.c (expand_sync_operation): Fix typo expanding nand to and.
2903
2904 2005-04-18  Devang Patel  <dpatel@apple.com>
2905
2906         * config/rs6000/atlivec.md (mulv4si3): New pattern.
2907         
2908 2005-04-18  James A. Morrison  <phython@gcc.gnu.org>
2909
2910         PR tree-optimization/20922
2911         * fold-const.c (fold_binary): Fold X - c > X and X + c < X to false.
2912         Fold X + c >= X and fold X - c <= X to true.
2913
2914 2005-04-18  James A. Morrison  <phython@gcc.gnu.org>
2915
2916         * config/ia64/unwind-ia64.c (emergency_reg_state_free): Make an
2917         unsigned int.
2918         (emergency_labeled_state_free): Likewise.
2919
2920 2005-04-18  Nick Clifton  <nickc@redhat.com>
2921
2922         * config/h8300/h8300.md (jump): Remove prescan parameter from
2923         calls to final_scan_insn.
2924
2925         * config/arc/arc.c (arc_output_function_epilogue): Remove prescan
2926         parameter from calls to final_scan_insn.
2927
2928         * config.gcc (m68hc12): Use the m68hc11.opt file for target
2929         specific options.
2930         (v850e, v850e1): Use the v850.opt file for target specific
2931         options.
2932
2933 2005-04-18  Kazu Hirata  <kazu@cs.umass.edu>
2934
2935         PR tree-optimization/21001
2936         * tree-optimize.c (init_tree_optimization_passes): Move the
2937         first pass_forwprop immediately before pass_vrp.
2938
2939 2005-04-17  Ian Lance Taylor  <ian@airs.com>
2940
2941         * c-common.def (SIZEOF_EXPR, ARROW_EXPR, ALIGNOF_EXPR): Remove.
2942         * c-common.c (c_sizeof_or_alignof_type): Change second parameter
2943         from enum tree_code op to bool is_sizeof.
2944         * c-common.h (c_sizeof_or_alignof_type): Update declaration.
2945         (c_sizeof, c_alignof): Update calls to c_sizeof_or_alignof_type.
2946         * c-pretty-print.c (pp_c_postfix_expression): Remove ARROW_EXPR
2947         case.
2948         (pp_c_unary_expression): Remove SIZEOF_EXPR and ALIGNOF_EXPR
2949         cases.
2950         (pp_c_expression): Remove ARROW_EXPR, SIZEOF_EXPR, and
2951         ALIGNOF_EXPR cases.
2952
2953 2005-04-17  Ian Lance Taylor  <ian@airs.com>
2954
2955         * system.h: Poison DONT_ACCESS_GBLS_AFTER_EPILOGUE.
2956
2957 2005-04-17  Richard Henderson  <rth@redhat.com>
2958
2959         * config/alpha/alpha.c (va_list_skip_additions): Only define if
2960         TARGET_ABI_OSF.
2961         (TARGET_STDARG_OPTIMIZE_HOOK): Likewise.
2962         (alpha_stdarg_optimize_hook): Likewise.  Allow for one more round
2963         of indirection through ssa names while looking for the gpr counter
2964         field.
2965         (alpha_setup_incoming_varargs) <TARGET_ABI_OSF>: Make use of the
2966         saved va_list_gpr_size and va_list_fpr_size.
2967
2968 2005-04-17  Kazu Hirata  <kazu@cs.umass.edu>
2969
2970         * tree-vrp.c (compare_values): Check that VAL1 and VAL2 are
2971         both pointers or both integers.
2972
2973         * tree-vrp.c (maybe_add_assert_expr): Don't assert
2974         ASSERT_EXPRs for single-use variable.
2975
2976         * tree-into-ssa.c: Fix a comment typo.
2977
2978 2005-04-17  Richard Sandiford  <rsandifo@redhat.com>
2979
2980         * config/mips/iris6.h (DRIVER_SELF_SPECS): Check -march as well as
2981         -mipsN before forcing a default of -mips2.
2982
2983 2005-04-17  Kazu Hirata  <kazu@cs.umass.edu>
2984
2985         * predict.h (IS_TAKEN): Remove.
2986         * rtl.h (NOTE_PREDICTION): Likewise.
2987
2988         * modulo-sched.c (CFG_HOOKS): Remove.
2989
2990         * c-parser.c (N_C_TTYPES): Remove.
2991
2992         * tree-flow-inline.h (get_stmt_operands): Remove.
2993         * lambda-code.c, tree-ssa-loop-unswitch.c,
2994         tree-ssa-operands.c, tree-ssa-pre.c, tree-ssa-propagate.c,
2995         tree-ssa-sink.c, tree-ssa.c, tree-tailcall.c,
2996         tree-vect-transform.c, tree-vectorizer.c, tree-vrp.c): Remove
2997         calls to get_stmt_operands.
2998         * doc/tree-ssa.texi: Don't mention get_stmt_operands.
2999
3000 2005-04-17  Richard Henderson  <rth@redhat.com>
3001
3002         PR target/20375
3003         * config/alpha/alpha.c (alpha_setup_incoming_varargs): Advance a copy
3004         of CUMULATIVE_ARGS past the last named argument.
3005         (alpha_va_start): Expect pretend_args_size only if strictly less than
3006         6 named arguments.
3007
3008 2005-04-17  Kazu Hirata  <kazu@cs.umass.edu>
3009
3010         PR middle-end/21024
3011         * builtins.c (expand_builtin_strcat): Convert the result of
3012         strlen to the right type.
3013         * fold-const.c (fold_binary) <PLUS_EXPR>: Use fold_convert to
3014         avoid creating type mismatches.
3015         <GE_EXPR>: Pass op0 and op1 to fold_build2 to avoid creating
3016         type mismatches.
3017
3018         * c-lex.c (WCHAR_TYPE_SIZE, WCHAR_BYTES): Remove.
3019
3020 2005-04-16  Richard Henderson  <rth@redhat.com>
3021
3022         PR target/21051
3023         * builtins.c (expand_builtin) <BUILT_IN_BOOL_COMPARE_AND_SWAP_*>:
3024         Use the mode of boolean_type_node when the user doesn't provide one.
3025         * config/ia64/sync.md (sync_lock_release<I48MODE>): Use operand 1.
3026
3027 2005-04-16  Alexandre Oliva  <aoliva@redhat.com>
3028
3029         PR target/20126
3030         * loop.c (loop_givs_rescan): Handle non-replaceable (plus (reg)
3031         (const)).
3032
3033         * tree-scalar-evolution.c (interpret_rhs_modify_expr): Fix typo in
3034         comment.
3035
3036 2005-04-16  Roger Sayle  <roger@eyesopen.com>
3037             Steven Bosscher  <stevenb@suse.de>
3038
3039         * fold-const.c (fold_binary_to_constant): Delete obsolete comment.
3040         (fold_unary_to_constant): Likewise.
3041
3042 2005-04-16  Kazu Hirata  <kazu@cs.umass.edu>
3043
3044         * basic-block.h: Adjust the value of PROP_SCAN_DEAD_STORES,
3045         PROP_ASM_SCAN.
3046
3047 2005-04-16  Gerald Pfeifer  <gerald@pfeifer.com>
3048
3049         * doc/install.texi (Specific): Avoid using asterisks in @anchor
3050         names related to target triplets.
3051         Remove i?86-*-esix from platform directory.
3052         Remove powerpc-*-eabiaix from platform directory.
3053
3054 2005-04-16  Joseph S. Myers  <joseph@codesourcery.com>
3055
3056         PR middle-end/20491
3057         * config/ia64/ia64.c (rtx_needs_barrier): Recurse instead of
3058         falling through from SUBREG case to REG.
3059
3060 2005-04-15  Roger Sayle  <roger@eyesopen.com>
3061
3062         * fold-const.c (fold_relational_hi_lo): Delete function and prototype.
3063         (fold_binary): Update comment mentioning fold_relational_hi_lo.
3064         (fold_binary_to_constant): Simplify using fold_binary.
3065         (fold_unary_to_constant): Likewise, simplify using fold_unary.
3066
3067 2005-04-15  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
3068
3069         * gthr-posix.c (pthread_cancel): Define.
3070         (pthread_mutexattr_init): Likewise.
3071         (pthread_mutexattr_settype): Likewise.
3072         (pthread_mutexattr_destroy): Likewise.
3073
3074 2005-04-15  David S. Miller  <davem@davemloft.net>
3075
3076         PR target/20673
3077         * config/sparc/sparc.h (sparc_hard_reg_printed): Mark as GTY(()).
3078
3079 2005-04-15  Kazu Hirata  <kazu@cs.umass.edu>
3080
3081         PR tree-optimization/21031
3082         * tree-ssa-forwprop.c (ssa_name_defined_by_comparison_p): New.
3083         (forward_propagate_into_cond_1): Call it.  Forward propagate
3084         integer-integer casts into COND_EXPRs.
3085
3086 2005-04-15  Dave Korn  <dave.korn@artimi.com>
3087
3088         * gcc.c (default_compilers): Clarify obscure error message when
3089         reading from standard input.
3090
3091 2005-04-15  Kazu Hirata  <kazu@cs.umass.edu>
3092
3093         * basic-block.h (PROP_EQUAL_NOTES): Remove.
3094         * flow.c (propagate_one_insn): Don't use PROP_EQUAL_NOTES.
3095
3096         * tree-ssa-alias.c (init_alias_info): Remove a call to
3097         get_stmt_operands.
3098
3099 2005-04-15  Andrew MacLeod  <amacleod@redhat.com>
3100
3101         * tree-vect-analyze.c (vect_stmt_relevant_p): Process immediate uses
3102         of non-virtual PHI nodes like we use to.
3103
3104 2005-05-15  Paolo Bonzini  <bonzini@gnu.org>
3105
3106         * genattrtab.c (ATTR_EQ_ATTR_P): Remove.
3107         (attr_copy_rtx): Do not use it.
3108
3109 2005-04-15  Andrew Macleod  <amacleod@redhat.com>
3110
3111         * doc/tree-ssa.texi: Grammer/abbreviation updates.
3112
3113 2005-04-15  Diego Novillo  <dnovillo@redhat.com>
3114
3115         * tree-vect-transform.c (vectorizable_store): Mark necessary
3116         objects in the vectorized store needing renaming.  Update the
3117         SSA graph for V_MAY_DEF operands in the original store.
3118
3119 2005-04-14  Daniel Berlin <dberlin@dberlin.org>
3120
3121         * tree-ssa-pre.c (compute_avail): It's okay to have
3122         TREE_INVARIANT's here, and value number the resulting expressions.
3123         (create_expression_by_pieces): Make sure operands that were
3124         min_invariant when we started, stay that way.
3125
3126 2005-04-15  David Edelsohn  <edelsohn@gnu.org>
3127
3128         * doc/install.texi (*-ibm-aix*): Add comment about system limits.
3129
3130 2005-04-15  Kazu Hirata  <kazu@cs.umass.edu>
3131
3132         PR tree-optimization/20936.
3133         * tree-ssa-ccp.c (visit_assignment): Fix a typo.
3134
3135 2005-04-15  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
3136
3137         * doc/invoke.texi: Fix typos.
3138         * doc/md.texi: Likewise.
3139         * doc/rtl.texi: Likewise.
3140         * doc/sourcebuild.texi: Likewise.
3141         * doc/tm.texi: Likewise.
3142
3143 2005-04-15  Uros Bizjak  <uros@kss-loka.si>
3144
3145         PR tree-optimization/21004
3146         * convert.c (convert_to_integer): Convert ceilf, ceill, floorf
3147         and floorl in c99 mode only.
3148         * builtins.c (expand_builtin_int_roundingfn): Assert that
3149         fallback_fndecl is not NULL_TREE.
3150
3151 2005-04-15  Kazu Hirata  <kazu@cs.umass.edu>
3152
3153         * cfgrtl.c (purge_all_dead_edge): Remove an unused argument.
3154         * basic-block.h: Update the prototype for
3155         purge_all_dead_edges.
3156         * cfgexpand.c (tree_expand_cfg): Update a call to
3157         purge_all_dead_edges.
3158         * combine.c (combine_instructions): Likewise.
3159         * passes.c (rest_of_handle_old_regalloc, rest_of_handle_cse,
3160         rest_of_handle_cse2, rest_of_handle_gcse,
3161         rest_of_handle_postreload): likewise.
3162
3163 2005-04-15  Alexandre Oliva  <aoliva@redhat.com>
3164
3165         PR middle-end/20739
3166         * gimplify.c (gimplify_addr_expr): Compensate for removal of
3167         e.g. cv-qualification conversions.
3168
3169 2005-04-14  Mike Stump  <mrs@apple.com>
3170
3171         * config/darwin-c.c (framework_construct_pathname): We must
3172         find all headers of a framework in the first instance of it
3173         found in the seach path.
3174
3175 2005-04-14  Kazu Hirata  <kazu@cs.umass.edu>
3176
3177         PR tree-optimization/21021
3178         * tree-vrp.c (compare_values): Work around a bug in the front
3179         end that produces a comparison of mismatched types.
3180
3181 2004-04-14  Richard Henderson  <rth@redhat.com>
3182
3183         * config/ia64/ia64.h (enum fetchop_code): Remove.
3184         (enum ia64_builtins): Move ...
3185         * config/ia64/ia64.c (enum ia64_builtins): ... here.  Remove all
3186         members except BSP and FLUSHRS.
3187         (ia64_init_builtins): Remove __sync builtins.
3188         (ia64_expand_builtin): Likewise.
3189         (ia64_expand_fetch_and_op, ia64_expand_op_and_fetch): Remove.
3190         (ia64_expand_compare_and_swap, ia64_expand_lock_test_and_set): Remove.
3191         (ia64_expand_lock_release): Remove.
3192         * config/ia64/ia64.md (mf): Move to sync.md.
3193         (mf_internal, fetchadd_acq_si, fetchadd_acq_di, cmpxchg_acq_si,
3194         cmpxchg_acq_di, xchgsi, xchgdi): Likewise.
3195         * config/ia64/sync.md: New file.
3196         (memory_barrier): Rename from mf.
3197         (fetchadd_acq_<I48MODE>): Macroize from _si/_di patterns.
3198         (cmpxchg_acq_<I48MODE>): Likewise.
3199         (sync_lock_test_and_set<I48MODE>): Likewise.
3200
3201         * config/ia64/ia64intrin.h: Define nothing for C; limit #defines
3202         to c++.  Remove __sync* declarations.  s/_si/_4/.  s/_di/_8/.
3203
3204 2004-04-14  Richard Henderson  <rth@redhat.com>
3205
3206         * config/i386/i386.c (x86_cmpxchg, x86_xadd): New.
3207         (ix86_compare_emitted): New.
3208         (ix86_expand_compare): Use ix86_compare_emitted if set.
3209         (ix86_expand_setcc): Only emit REG_EQUAL if both ix86_compare_op0
3210         and ix86_compare_op0 are set.
3211         * config/i386/i386.h (x86_cmpxchg, x86_xadd): Declare.
3212         (TARGET_CMPXCHG, TARGET_XADD): New.
3213         (ix86_compare_emitted): Declare.
3214         * config/i386/i386.md: Include sync.md
3215         (UNSPECV_CMPXCHG_1, UNSPECV_CMPXCHG_2): New.
3216         (UNSPECV_XCHG, UNSPECV_LOCK): New.
3217         * config/i386/sync.md: New file.
3218
3219 2004-04-14  Richard Henderson  <rth@redhat.com>
3220
3221         PR middle-end/14311
3222         * builtin-types.def (BT_BOOL, BT_VOLATILE_PTR, BT_I1, BT_I2,
3223         BT_I4, BT_I8, BT_FN_VOID_VPTR, BT_FN_I1_VPTR_I1, BT_FN_I2_VPTR_I2,
3224         BT_FN_I4_VPTR_I4, BT_FN_I8_VPTR_I8, BT_FN_BOOL_VPTR_I1_I1,
3225         BT_FN_BOOL_VPTR_I2_I2, BT_FN_BOOL_VPTR_I4_I4, BT_FN_BOOL_VPTR_I8_I8,
3226         BT_FN_I1_VPTR_I1_I1, BT_FN_I2_VPTR_I2_I2, BT_FN_I4_VPTR_I4_I4,
3227         BT_FN_I8_VPTR_I8_I8): New.
3228         * builtins.def (DEF_SYNC_BUILTIN): New.
3229         (BUILT_IN_FETCH_AND_ADD_N, BUILT_IN_FETCH_AND_ADD_1,
3230         BUILT_IN_FETCH_AND_ADD_2, BUILT_IN_FETCH_AND_ADD_4,
3231         BUILT_IN_FETCH_AND_ADD_8, BUILT_IN_FETCH_AND_SUB_N,
3232         BUILT_IN_FETCH_AND_SUB_1, BUILT_IN_FETCH_AND_SUB_2,
3233         BUILT_IN_FETCH_AND_SUB_4, BUILT_IN_FETCH_AND_SUB_8,
3234         BUILT_IN_FETCH_AND_OR_N, BUILT_IN_FETCH_AND_OR_1,
3235         BUILT_IN_FETCH_AND_OR_2, BUILT_IN_FETCH_AND_OR_4,
3236         BUILT_IN_FETCH_AND_OR_8, BUILT_IN_FETCH_AND_AND_N,
3237         BUILT_IN_FETCH_AND_AND_1, BUILT_IN_FETCH_AND_AND_2,
3238         BUILT_IN_FETCH_AND_AND_4, BUILT_IN_FETCH_AND_AND_8,
3239         BUILT_IN_FETCH_AND_XOR_N, BUILT_IN_FETCH_AND_XOR_1,
3240         BUILT_IN_FETCH_AND_XOR_2, BUILT_IN_FETCH_AND_XOR_4,
3241         BUILT_IN_FETCH_AND_XOR_8, BUILT_IN_FETCH_AND_NAND_N,
3242         BUILT_IN_FETCH_AND_NAND_1, BUILT_IN_FETCH_AND_NAND_2,
3243         BUILT_IN_FETCH_AND_NAND_4, BUILT_IN_FETCH_AND_NAND_8,
3244         BUILT_IN_ADD_AND_FETCH_N, BUILT_IN_ADD_AND_FETCH_1,
3245         BUILT_IN_ADD_AND_FETCH_2, BUILT_IN_ADD_AND_FETCH_4,
3246         BUILT_IN_ADD_AND_FETCH_8, BUILT_IN_SUB_AND_FETCH_N,
3247         BUILT_IN_SUB_AND_FETCH_1, BUILT_IN_SUB_AND_FETCH_2,
3248         BUILT_IN_SUB_AND_FETCH_4, BUILT_IN_SUB_AND_FETCH_8,
3249         BUILT_IN_OR_AND_FETCH_N, BUILT_IN_OR_AND_FETCH_1,
3250         BUILT_IN_OR_AND_FETCH_2, BUILT_IN_OR_AND_FETCH_4,
3251         BUILT_IN_OR_AND_FETCH_8, BUILT_IN_AND_AND_FETCH_N,
3252         BUILT_IN_AND_AND_FETCH_1, BUILT_IN_AND_AND_FETCH_2,
3253         BUILT_IN_AND_AND_FETCH_4, BUILT_IN_AND_AND_FETCH_8,
3254         BUILT_IN_XOR_AND_FETCH_N, BUILT_IN_XOR_AND_FETCH_1,
3255         BUILT_IN_XOR_AND_FETCH_2, BUILT_IN_XOR_AND_FETCH_4,
3256         BUILT_IN_XOR_AND_FETCH_8, BUILT_IN_NAND_AND_FETCH_N,
3257         BUILT_IN_NAND_AND_FETCH_1, BUILT_IN_NAND_AND_FETCH_2,
3258         BUILT_IN_NAND_AND_FETCH_4, BUILT_IN_NAND_AND_FETCH_8,
3259         BUILT_IN_BOOL_COMPARE_AND_SWAP_N, BUILT_IN_BOOL_COMPARE_AND_SWAP_1,
3260         BUILT_IN_BOOL_COMPARE_AND_SWAP_2, BUILT_IN_BOOL_COMPARE_AND_SWAP_4,
3261         BUILT_IN_BOOL_COMPARE_AND_SWAP_8, BUILT_IN_VAL_COMPARE_AND_SWAP_N,
3262         BUILT_IN_VAL_COMPARE_AND_SWAP_1, BUILT_IN_VAL_COMPARE_AND_SWAP_2,
3263         BUILT_IN_VAL_COMPARE_AND_SWAP_4, BUILT_IN_VAL_COMPARE_AND_SWAP_8,
3264         BUILT_IN_LOCK_TEST_AND_SET_N, BUILT_IN_LOCK_TEST_AND_SET_1,
3265         BUILT_IN_LOCK_TEST_AND_SET_2, BUILT_IN_LOCK_TEST_AND_SET_4,
3266         BUILT_IN_LOCK_TEST_AND_SET_8, BUILT_IN_LOCK_RELEASE_N,
3267         BUILT_IN_LOCK_RELEASE_1, BUILT_IN_LOCK_RELEASE_2,
3268         BUILT_IN_LOCK_RELEASE_4, BUILT_IN_LOCK_RELEASE_8,
3269         BUILT_IN_SYNCHRONIZE: New.
3270         * builtins.c (called_as_built_in): Rewrite from CALLED_AS_BUILT_IN
3271         as a function.  Accept __sync_ as a prefix as well.
3272         (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
3273         expand_builtin_lock_test_and_set, expand_builtin_synchronize,
3274         expand_builtin_lock_release): New.
3275         (expand_builtin): Call them.
3276         * c-common.c (DEF_BUILTIN): Don't require __builtin_ prefix if
3277         neither BOTH_P nor FALLBACK_P are defined.
3278         (builtin_type_for_size): New.
3279         (sync_resolve_size, sync_resolve_params, sync_resolve_return): New.
3280         (resolve_overloaded_builtin): New.
3281         * c-common.h (resolve_overloaded_builtin): Declare.
3282         (builtin_type_for_size): Declare.
3283         * c-typeck.c (build_function_call): Invoke resolve_overloaded_builtin.
3284         * expr.c (sync_add_optab, sync_sub_optab, sync_ior_optab,
3285         sync_and_optab, sync_xor_optab, sync_nand_optab, sync_old_add_optab,
3286         sync_old_sub_optab, sync_old_ior_optab, sync_old_and_optab,
3287         sync_old_xor_optab, sync_old_nand_optab, sync_new_add_optab,
3288         sync_new_sub_optab, sync_new_ior_optab, sync_new_and_optab,
3289         sync_new_xor_optab, sync_new_nand_optab, sync_compare_and_swap,
3290         sync_compare_and_swap_cc, sync_lock_test_and_set,
3291         sync_lock_release): New.
3292         * optabs.h: Declare them.
3293         * expr.h (expand_val_compare_and_swap, expand_bool_compare_and_swap,
3294         expand_sync_operation, expand_sync_fetch_operation,
3295         expand_sync_lock_test_and_set): Declare.
3296         * genopinit.c (optabs): Add sync optabs.
3297         * optabs.c (init_optabs): Initialize sync optabs.
3298         (expand_val_compare_and_swap_1, expand_val_compare_and_swap,
3299         expand_bool_compare_and_swap, expand_compare_and_swap_loop,
3300         expand_sync_operation, expand_sync_fetch_operation,
3301         expand_sync_lock_test_and_set): New.
3302         * doc/extend.texi (Atomic Builtins): New section
3303         * doc/md.texi (Standard Names): Add sync patterns.
3304
3305 2005-04-14  Alexandre Oliva  <aoliva@redhat.com>
3306
3307         * tree-eh.c (lower_try_finally_copy): Generate new code in
3308         response to goto_queue entries as if the queue was sorted by
3309         index, not pointers.
3310         (lower_try_finally_switch): Likewise.
3311
3312 2005-04-14  Richard Henderson  <rth@redhat.com>
3313
3314         * config/i386/i386.c (ix86_expand_sse_cmp): Split out from ...
3315         (ix86_expand_sse_movcc): ... here.  Take cmp as a pre-computed
3316         register.
3317         (ix86_expand_fp_movcc): Update to match.
3318         (ix86_expand_fp_vcond, ix86_expand_int_vcond): New.
3319         * config/i386/i386-protos.h: Update.
3320         * config/i386/sse.md (vcondv4sf, vcondv2df): New.
3321         (vcond<SSEMODE124>, vcondu<SSEMODE12>): New.
3322
3323 2005-04-14  Joseph S. Myers  <joseph@codesourcery.com>
3324
3325         * doc/cpp.texi, doc/install.texi: Change references to GCC 3.5 to
3326         refer to 4.0.
3327
3328 2005-04-14  Julian Brown  <julian@codesourcery.com>
3329
3330         * Revert elfos.h part of my patch from 2005-04-13 for causing libstdc++
3331         link failures on ppc64 Linux.
3332
3333 2005-04-14  Andreas Krebbel  <krebbel1@de.ibm.com>
3334
3335         * config.gcc: Set cpu_type for s390.
3336
3337 2005-04-14  Daniel Berlin  <dberlin@dberlin.org>
3338
3339         Fix PR tree-optimization/20963
3340         * tree-ssa-pre.c (compute_avail): Remove special case for
3341         TREE_INVARIANT.
3342         (create_expression_by_pieces): Add value numbers for forced out
3343         statements.
3344
3345 2005-04-14  Hans-Peter Nilsson  <hp@axis.com>
3346
3347         * config/cris/cris.md: Replace references to (reg:SI 16) with
3348         (reg:SI CRIS_SRP_REGNUM).
3349
3350 2005-04-14  Kazu Hirata  <kazu@cs.umass.edu>
3351
3352         PR tree-optimization/20657
3353         * tree-vrp.c (extract_range_from_expr): Notice INTEGER_CST to
3354         create an appropriate range from it.
3355
3356 2005-04-14  Uros Bizjak  <uros@kss-loka.si>
3357
3358         * reg-stack.c (subst_stack_regs_pat): Handle <UNSPEC_FIST_FLOOR> and
3359         <UNSPEC_FIST_CEIL> case.
3360
3361         * config/i386/i386.md (UNSPEC_FIST_FLOOR, UNSPEC_FIST_CEIL): New.
3362         (*fist<mode>2_floor_1, fistdi2_floor, fistdi2_floor_with_temp)
3363         (fist<mode>2_floor, fist<mode>2_floor_with_temp): New isns patterns
3364         to implement lfloor and llfloor built-ins as x87 intrinsic function.
3365         (fistdi2_floor, fist<mode>2_floor splitters): New splitters.
3366         (lfloor<mode>2): New expanders.
3367         (*fist<mode>2_ceil_1, fistdi2_ceil, fistdi2_ceil_with_temp)
3368         (fist<mode>2_ceil, fist<mode>2_ceil_with_temp): New isns patterns
3369         to implement lceil and llceil built-ins as x87 intrinsic function.
3370         (fistdi2_ceil, fist<mode>2_ceil splitters): New splitters.
3371         (lceil<mode>2): New expanders.
3372
3373 2005-04-14  Uros Bizjak  <uros@kss-loka.si>
3374
3375         * convert.c (convert_to_integer): Convert (long int)trunc{,f,l},
3376         and (long long int)ceil{,f,l} into FIX_TRUNC_EXPR.
3377
3378 2005-04-14  Ulrich Weigand  <uweigand@de.ibm.com>
3379
3380         PR target/20927
3381         * config/s390/s390-modes.def: Define TFmode.
3382
3383 2005-04-13  Richard Sandiford  <rsandifo@redhat.com>
3384
3385         * config/mips/mips.h (ASM_OUTPUT_CASE_LABEL): Delete.
3386         (JUMP_TABLES_IN_TEXT_SECTION): Define.
3387         * config/mips/mips.c (mips16_insn_length): Remove reference to
3388         JUMP_TABLES_IN_TEXT_SECTION.
3389
3390 2005-04-13 Fariborz Jahanian <fjahanian@apple.com>
3391
3392         * simplify-rtx.c (simplify_binary_operation_1): Return
3393         scalar or vector of constant 0, depending on the xor's
3394         mode.
3395
3396 2005-04-13  Dale Johannesen  <dalej@apple.com>
3397
3398         * objc/Make-lang.in (objc-lang.o):  Depend on tree-gimple.h.
3399         (objc-act.o):  Ditto.
3400         * objc/objc-act.c (objc_gimplify_expr):  New.
3401         (objc_get_callee_fndecl):  New.
3402         * objc/objc-act.h:  Include tree-gimple.h.  Declare new functions.
3403         * objc/objc-lang.c (LANG_HOOKS_GIMPLIFY_EXPR):  Define.
3404         (LANG_HOOKS_GET_CALLEE_FNDECL):  Define.
3405
3406 2005-04-13  Devang Patel  <dpatel@apple.com>
3407
3408         * tree-if-conv.c (tree_if_convert_cond_expr): Do not create extra
3409         temp variables.
3410
3411 2005-04-13  Hans-Peter Nilsson  <hp@axis.com>
3412
3413         CRIS prologue as RTL.
3414         * config/cris/cris-protos.h (cris_emit_movem_store)
3415         (cris_expand_prologue): Prototype.
3416         * config/cris/cris.c (struct machine_function): New member
3417         stdarg_regs.
3418         (cfa_label_num, cris_target_asm_function_prologue): Remove.
3419         (TARGET_ASM_FUNCTION_PROLOGUE): Don't override.
3420         (cris_general_operand_or_gotless_symbol): Accept CRIS_UNSPEC_GOT.
3421         (cris_load_multiple_op, cris_return_address_on_stack)
3422         (cris_return_address_on_stack_for_return): ISO-Cify.
3423         (cris_store_multiple_op): New predicate function.
3424         (cris_expand_prologue, cris_emit_movem_store): New functions.
3425         (cris_print_operand) <case 'O'>: Handle modifications other than
3426         post-increment.
3427         (cris_symbol, cris_got_symbol): Return 0 for CRIS_UNSPEC_GOT.
3428         (cris_gotless_symbol): Return 1 for CRIS_UNSPEC_GOT.
3429         (cris_gen_movem_load): Rearrange slightly to make local variable
3430         src a parameter, removing osrc.
3431         (cris_setup_incoming_varargs): Set machine_function member
3432         stdarg_regs to correspond to the number of registers that need to
3433         be saved.
3434         * config/cris/cris.h (EXTRA_CONSTRAINT_S): Accept
3435         CRIS_UNSPEC_GOT.
3436         (PREDICATE_CODES): Add cris_store_multiple_op.  Make
3437         cris_general_operand_or_gotless_symbol accept UNSPEC.
3438         * config/cris/cris.md (CRIS_UNSPEC_GOT): New constant.
3439         ("*movsi_internal") <alternative 8>: Handle CRIS_UNSPEC_GOT.
3440         ("*cris_store_multiple"): New pattern.  Tweak common comment above
3441         this and "*cris_load_multiple".
3442         ("prologue"): New define_expand.
3443
3444         * config/cris/cris.md ("epilogue"): Conditionalize on
3445         TARGET_PROLOGUE_EPILOGUE.
3446
3447 2005-04-13  Steve Ellcey  <sje@cup.hp.com>
3448
3449         PR target/20924
3450         * config/ia64/ia64.md (divsf3_internal_lat): Generate frcpa with
3451         fpsr 0 instead of fpsr 1.
3452         (divsf3_internal_thr): Ditto.
3453         (divdf3_internal_lat): Ditto.
3454         (divdf3_internal_thr): Ditto.
3455         (divxf3_internal_lat): Ditto.
3456         (divxf3_internal_thr): Ditto.
3457
3458 2005-04-13  Kazu Hirata  <kazu@cs.umass.edu>
3459
3460         PR tree-optimization/20913
3461         * tree-ssa-copy.c (copy_prop_visit_cond_stmt): Fold COND_EXPR.
3462
3463         PR tree-optimization/20702
3464         * tree-vrp.c (maybe_add_assert_expr): Recurse into
3465         dominator children that haven't been walked into.
3466
3467 2005-04-13  Julian Brown  <julian@codesourcery.com>
3468
3469         * config/elfos.h (MAKE_DECL_ONE_ONLY): Redefined to stop DECL_WEAK from
3470         being used for symbols with vague linkage when HAVE_GAS_COMDAT_GROUP
3471         is true.
3472
3473 2005-04-13  Kazu Hirata  <kazu@cs.umass.edu>
3474
3475         * basic-block.h, tree-ssa-uncprop.c, varasm.c,
3476         config/i386/sse.md: Fix comment typos.
3477
3478         * genattrtab.c (NULL_ATTR): Remove.
3479         * ifcvt.c (NULL_EDGE): Likewise.
3480
3481         * rtl.h (RTX_EXPR_FIRST, RTX_EXPR_LAST): Remove.
3482
3483         * rtl.h (NOTE_PREDICTION_ALG, NOTE_PREDICTION_FLAGS,
3484         NOTE_PREDICT): Remove.
3485
3486 2005-04-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
3487
3488         * configure.ac (gcc_AC_CHECK_DECLS): Add vsnprintf.
3489         * configure: Regenerate.
3490         * config.in: Likewise.
3491         * system.h: Declare vsnprintf if not already declared.
3492
3493 2005-04-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
3494
3495         * optc-gen.awk: Handle stand-alone Mask records.
3496         * opth-gen.awk: Likewise.
3497         * doc/options.texi (Option file format): Document them.
3498         * config.gcc (sparc-*-netbsdelf*, sparc-*-linux*, sparc64-*-freebsd*,
3499         sparc64-*-linux*, sparc64-*-netbsd*): Add long-double-switch.opt.
3500         (sparc64-*-openbsd*, sparc64-*-elf*): Add little-endian.opt.
3501         * config/sparc/sparc.h (MASK_FPU, MASK_UNALIGNED_DOUBLES,
3502         MASK_V8, MASK_SPARCLITE, MASK_SPARCLET, MASK_V9,
3503         MASK_DEPRECATED_V8_INSNS, MASK_IMPURE_TEXT, MASK_APP_REGS,
3504         MASK_HARD_QUAD, MASK_LITTLE_ENDIAN, MASK_PTR64, MASK_64BIT,
3505         MASK_STACK_BIAS, MASK_FPU_SET, MASK_VIS, MASK_V8PLUS,
3506         MASK_FASTER_STRUCTS, MASK_LONG_DOUBLE_128): Delete.
3507         (TARGET_FPU, TARGET_UNALIGNED_DOUBLES, TARGET_V8, TARGET_SPARCLITE,
3508         TARGET_SPARCLET, TARGET_V9, TARGET_DEPRECATED_V8_INSNS,
3509         TARGET_IMPURE_TEXT, TARGET_APP_REGS, MASK_HARD_QUAD,
3510         TARGET_LITTLE_ENDIAN, TARGET_PTR64, TARGET_64BIT, MASK_STACK_BIAS,
3511         TARGET_FPU_SET, TARGET_VIS, TARGET_V8PLUS, TARGET_FASTER_STRUCTS,
3512         TARGET_LONG_DOUBLE_128): Likewise.
3513         (TARGET_SWITCHES, SUBTARGET_SWITCHES): Likewise.
3514         (TARGET_OPTIONS, SUBTARGET_OPTIONS): Likewise.
3515         * config/sparc/freebsd.h (SUBTARGET_SWITCHES): Likewise.
3516         * config/sparc/linux.h (SUBTARGET_SWITCHES): Likewise.
3517         * config/sparc/linux64.h (SUBTARGET_SWITCHES): Likewise.
3518         * config/sparc/netbsd-elf.h (SUBTARGET_SWITCHES): Likewise.
3519         * config/sparc/sp64-elf.h (SUBTARGET_SWITCHES): Likewise.
3520         * config/sparc/sparc.c (fpu_option_set): New global.
3521         (sparc_handle_option): New function.
3522         (sparc_override_options): Test fpu_option_set.
3523         (TARGET_DEFAULT_TARGET_FLAGS): Set to TARGET_DEFAULT.
3524         (TARGET_HANDLE_OPTION): Set to sparc_handle_option.
3525         * config/sparc/sparc.opt: New file.
3526         * config/sparc/little-endian.opt: Likewise.
3527         * config/sparc/long-double-switch.opt: Likewise.
3528
3529 2005-04-13  Bernd Schmidt  <bernd.schmidt@analog.com>
3530
3531         * config/bfin/bfin.c (bfin_lib_id_given): New static variable.
3532         (bfin_handle_options): Set it if -mshared-library-id= is seen.
3533         * config/bfin/bfin.opt (mshared-library-id=): Lose
3534         Var(bfin_lib_id_given).
3535
3536 2005-04-13  Matt Thomas  <matt@3am-software.com>
3537
3538         * config/rs6000/sysv4.h (NO_IMPLICIT_EXTERN_C): undefine before
3539         defining.
3540
3541 2005-04-13  Kazu Hirata  <kazu@cs.umass.edu>
3542
3543         * rtl.h (CLEAR_RTX_FLAGS): Remove.
3544
3545         * cgraphunit.c (INSNS_PER_CALL): Remove.
3546
3547         * tree-ssa-forwprop.c (vars,
3548         record_single_argument_cond_exprs,
3549         substitute_single_use_vars): Remove.
3550         (forward_propagate_into_cond_1, forward_propagate_into_cond):
3551         New.
3552         (tree_ssa_forward_propagate_single_use_vars): Call
3553         forward_propagate_into_cond for each COND_EXPR.
3554
3555         * tree-inline.c (INSNS_PER_STMT): Remove.
3556
3557 2005-04-12  Richard Henderson  <rth@redhat.com>
3558
3559         * config/i386/i386.c (ix86_prepare_sse_fp_compare_args): Split ...
3560         (ix86_expand_sse_fp_minmax): ... from ...
3561         (ix86_expand_fp_movcc): ... here.
3562         (ix86_expand_sse_movcc): Rewrite from ix86_split_sse_movcc.
3563         * config/i386/i386-protos.h: Update.
3564         * config/i386/i386.md (UNSPEC_IEEE_MIN, UNSPEC_IEEE_MAX): New.
3565         (sse_setccsf, sse_setccdf): Allow before reload.
3566         (movsfcc_1_sse_min, movsfcc_1_sse_max, movsfcc_1_sse): Remove.
3567         (movdfcc_1_sse_min, movdfcc_1_sse_max, movdfcc_1_sse): Remove.
3568         (ieee_sminsf3, ieee_smaxsf3, ieee_smindf3, ieee_smaxdf3): New.
3569         * config/i386/sse.md (andsf3, nandsf3, iorsf3, xorsf3): New.
3570         (anddf3, nanddf3, iordf3, xordf3): New.
3571
3572 2005-04-12  Jeff Law  <law@redhat.com>
3573
3574         * Makefile.in (OBJS-common): Add tree-ssa-uncprop.o.
3575         (tree-ssa-uncprop.o): Add dependencies.
3576         * tree-cfg.c (remove_useless_stmts_bb, remove_useless_stmts): Remove.
3577         * tree-flow.h (remove_useless_stmts): Remove prototype.
3578         * tree-outof-ssa.c (rewrite_out_of_ssa): Remove call to
3579         remove_useless_stmts.
3580         * timevar.def (TV_TREE_SSA_UNCPROP): New timevar.
3581         * tree-optimize.c (init_tree_optimization_passes): Add uncprop pass.
3582         * tree-pass.h (pass_uncprop): Declare.
3583         * tree-ssa-uncprop.c: New file.
3584
3585 2005-04-12  James E. Wilson  <wilson@specifixinc.com>
3586
3587         PR target/20670
3588         * unwind-ia64.c (uw_intall_context): Add missing load of r27.
3589
3590 2005-04-12  Caroline Tice  <ctice@apple.com>
3591
3592         Temporary fix for partitioning problems.
3593         * passes.c (rest_of_handle_final): Remove code that
3594         frees unlikely_text_section_name,
3595         * varasm.c (assemble_start_function): Test for partitioning
3596         flag before writing out section labels.
3597         (assemble_end_function): Test for partitioning flag before
3598         writing out section labels.
3599
3600 2005-04-12  Steven Bosscher  <stevenb@suse.de>
3601             Stuart Hastings <stuart@apple.com>
3602             Jan Hubicka  <jh@suse.cz>
3603
3604         * Makefile.in: Add function.h to BASIC_BLOCK_H.  Remove all
3605         references to gt-tree-cfg.h.
3606         * basic-block.h (struct basic_block_def): Don't skip rbi
3607         for garbage collection.
3608         (struct reorder_block_def): Make GTY-able.
3609         (struct control_flow_graph): New structure.
3610         (n_edges, n_basic_blocks, last_basic_block, basic_block_info,
3611         BASIC_BLOCK, EXIT_BLOCK_PTR, ENTRY_BLOCK_PTR): No longer vars,
3612         but instead defines to the control_flow_graph for cfun.
3613         (label_to_block_map): New define, points to the label map of
3614         the control_flow_graph for cfun.
3615         (n_edges_for_function, n_basic_blocks_for_function,
3616         last_basic_block_for_function, basic_block_info_for_function,
3617         EXIT_BLOCK_PTR_FOR_FUNCTION, ENTRY_BLOCK_PTR_FOR_FUNCTION,
3618         basic_block_info_for_function, label_to_block_map_for_function):
3619         Counterparts for the above, taking a struct function as an extra
3620         argument.
3621         (alloc_rbi_pool, free_rbi_pool): Remove prototypes.
3622         * cfg.c: (n_edges, n_basic_blocks, last_basic_block,
3623         basic_block_info, ENTRY_BLOCK_PTR, EXIT_BLOCK_PTR): Remove.
3624         (alloc_rbi_pool, free_rbi_pool): Remove.
3625         (initialize_bb_rbi): Use ggc_alloc_cleared instead of pool_alloc.
3626         * cfglayout.c: (cfg_layout_initialize): Don't allocate the rbi pool
3627         here...
3628         (cfg_layout_finalize) ... and don't free it here.
3629         * cfgrtl.c (cfg_layout_delete_block): Zero out rbi so it gets
3630         garbage collected.
3631         * flow.c (free_basic_block_vars): Set label_to_block_map and
3632         n_edges to zero too.
3633         * function.h (struct function): Add cfg field.
3634         * function.c (allocate_struct_function): Allocate the cfg.
3635         * tree-cfg.c (label_to_block_map): Remove.
3636         (build_tree_cfg): Don't allocate the rbi pool here...
3637         (delete_tree_cfg_annotations): ...and don't free it here.
3638         Also don't nullify label_to_block_map for cfun.
3639
3640 2005-04-12  Caroline Tice  <ctice@apple.com>
3641
3642         * bb-reorder.c (find_rarely_executed_basic_blocks_and_crossing_edges):
3643         Revert my patch from April 9.
3644         (fix_edges_for_rarely_executed_code): Revert my patch from April 9.
3645         (reorder_basic_blocks): Revert my patch from April 9.
3646         (insert_section_boundary_note): Revert my patch from April 9.
3647         * dbxout.c (dbxout_function_end): Revert my patch from April 9.
3648         * dwarf2out.c (COLD_TEXT_SECTION_LABEL): Revert my patch from April 9.
3649         (COLD_END_LABEL):  Revert my patch from April 9.
3650         (cold_text_section_label):  Revert my patch from April 9.
3651         (cold_end_label): Revert my patch from April 9.
3652         (dwarf2out_switch_text_section): Revert my patch from April 9.
3653         (output_aranges): Revert my patch from April 9.
3654         (output_ranges):  Revert my patch from April 9.
3655         (output_line_info): Revert my patch from April 9.
3656         (add_location_or_const_value_attribute):  Revert my patch from April 9.
3657         (dwarf2out_var_location): Revert my patch from April 9.
3658         (dwarf2out_init):  Revert my patch from April 9.
3659         (dwarf2out_finish): Revert my patch from April 9.
3660         * function.h (struct function): Revert my patch from April 9.
3661         * opts.c (decode_options): Revert my patch from April 9.
3662         * output.h (unlikely_section_label, hot_section_label,
3663         hot_section_end_label, cold_section_end_label,
3664         unlikely_text_section_name): Revert my patch from April 9.
3665         * passes.c (rest_of_handle_final): Revert my patch from April 9.
3666         * varasm.c (unlikely_section_label, hot_section_label,
3667         hot_section_end_label, cold_section_end_label,
3668         unlikely_text_section_name): Revert my patch from April 9.
3669         (initialize_cold_section_name): Revert my patch from April 9.
3670         (unlikely_text_section): Revert my patch from April 9.
3671         (in_unlikely_text_section): Revert my patch from April 9.
3672         (named_section): Revert my patch from April 9.
3673         (function_section): Revert my patch from April 9.
3674         (current_function_section): Revert my patch from April 9.
3675         (assemble_start_function): Revert my patch from April 9.
3676         (assemble_end_function): Revert my patch from April 9.
3677         (default_section_type_flags_1): Revert my patch from April 9.
3678
3679 2005-04-12  Eric Botcazou  <ebotcazou@libertysurf.fr>
3680
3681         * config/sparc/sparc.h (APPLY_RESULT_SIZE): Set to 24 in 64-bit mode.
3682         * config/sparc/sparc.md (untyped_call): Save the registers manually.
3683
3684         * config/sparc/sparc.c (legitimate_address_p): Use TARGET_ARCH32.
3685
3686 2005-04-12  Ulrich Weigand  <uweigand@de.ibm.com>
3687
3688         PR middle-end/20917
3689         * config/s390/s390.md ("*set_tp"): Use SET in pattern.
3690         ("set_tp_64", "set_tp_31"): Adapt expanded pattern.
3691
3692 2004-04-12  Richard Henderson  <rth@redhat.com>
3693
3694         * config/i386/i386.md (UNSPEC_FIX, UNSPEC_MOVA, UNSPEC_SHUFFLE,
3695         UNSPEC_PSHUFLW, UNSPEC_PSHUFHW, UNSPEC_ADDSUB, UNSPEC_HADD,
3696         UNSPEC_HSUB, UNSPEC_MOVSHDUP, UNSPEC_MOVSLDUP, UNSPEC_MOVDDUP): Remove.
3697         (UNSPEC_*, UNSPECV_*): Renumber.
3698
3699 2005-04-12  Frank Ch. Eigler  <fche@redhat.com>
3700
3701         PR mudflap/19266
3702         From Richard Henderson <rth@redhat.com>:
3703         * tree-mudflap.c (mf_build_check_statement_for): Correct block
3704         splitting logic.
3705
3706 2005-04-12  Dorit Naishlos  <dorit@il.ibm.com>
3707
3708         * tree-cfg.c (tree_verify_flow_info): Use LABEL_EXPR_LABEL.
3709
3710 2005-04-12  Bernd Schmidt  <bernd.schmidt@analog.com>
3711
3712         * config/bfin/bfin.c (bfin_library_id_string): Remove.
3713         (bfin_library_id): New variable.
3714         (bfin_expand_prologue): Use bfin_library_id and bfin_lib_id_given
3715         instead of bfin_library_id_string.
3716         (bfin_handle_option): New function.
3717         (override_options): Remove most code to deal with shared library IDs,
3718         just check they aren't used without -mid-shared-library.
3719         (TARGET_HANDLE_OPTION): Define.
3720         * config/bfin/bfin.h (TARGET_OPTIONS): Delete macro.
3721         * config/bfin/bfin.opt (mshared-library-id=): New.
3722
3723 2005-04-12  Kazu Hirata  <kazu@cs.umass.edu>
3724
3725         * tree-vect-transform.c: Fix comment typos.
3726
3727 2005-04-12 Mostafa Hagog <mustafa@il.ibm.com>
3728
3729         * postreload-gcse.c (eliminate_partially_redundant_load): Don't
3730         split critical edges when not possible/profitable.
3731
3732 2005-04-12  Richard Sandiford  <rsandifo@redhat.com>
3733
3734         * config/ns32k/ns32k.h (target_flags, MASK_32081, MASK_RTD)
3735         (MASK_REGPARM, MASK_32532, MASK_32332, MASK_NO_SB, MASK_NO_BITFIELD)
3736         (MASK_HIMEM, MASK_32381, MASK_MULT_ADD, MASK_SRC, MASK_IEEE_COMPARE)
3737         (TARGET_32081, TARGET_32381, TARGET_MULT_ADD, TARGET_RTD)
3738         (TARGET_REGPARM, TARGET_32532, TARGET_32332, TARGET_SB, TARGET_HIMEM)
3739         (TARGET_BITFIELD, TARGET_IEEE_COMPARE, TARGET_SWITCHES): Delete.
3740         (OVERRIDE_OPTIONS): Clear MASK_SB instead of setting MASK_NO_SB.
3741         * config/ns32k/netbsd.h (TARGET_DEFAULT): Remove MASK_NO_SB and
3742         MASK_NO_BITFIELD.
3743         * config/ns32k/ns32k.c (ns32k_handle_option): New function.
3744         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
3745         * config/ns32k/ns32k.opt: New file.
3746
3747 2005-04-12  Richard Sandiford  <rsandifo@redhat.com>
3748
3749         * config.gcc (m68k-*-linux*): Add m68k/ieee.opt to $extra_options.
3750         * config/m68k/m68k.h (target_flags, MASK_68020, TARGET_68020)
3751         (MASK_68030, TARGET_68030, MASK_68040, TARGET_68040, MASK_68040_ONLY)
3752         (TARGET_68040_ONLY, MASK_68060, TARGET_68060, MASK_5200, TARGET_5200)
3753         (MASK_CFV3, TARGET_CFV3, MASK_CFV4, TARGET_CFV4, MASK_528x)
3754         (TARGET_528x, MASK_CF_HWDIV, TARGET_CF_HWDIV, MASK_68881, TARGET_68881)
3755         (MASK_BITFIELD, TARGET_BITFIELD, MASK_SHORT, TARGET_SHORT)
3756         (MASK_ALIGN_INT, TARGET_ALIGN_INT, MASK_PCREL, TARGET_PCREL)
3757         (MASK_NO_STRICT_ALIGNMENT, TARGET_STRICT_ALIGNMENT, MASK_RTD)
3758         (TARGET_RTD, MASK_SEP_DATA, TARGET_SEP_DATA, MASK_ID_SHARED_LIBRARY)
3759         (TARGET_ID_SHARED_LIBRARY, MASK_ALL_CF_BITS, TARGET_SWITCHES)
3760         (TARGET_OPTIONS, SUBTARGET_SWITCHES, SUBTARGET_OPTIONS): Delete.
3761         (MASK_COLDFIRE): Formatting fixes.
3762         (TARGET_COLDFIRE): Turn into a boolean value for consistency.
3763         * config/m68k/linux.h (SUBTARGET_SWITCHES): Delete.
3764         * config/m68k/m68k.c (m68k_library_id_string): Initialize to
3765         "_current_shared_library_a5_offset_".
3766         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
3767         (MASK_ALL_CPU_BITS): New macro.
3768         (m68k_handle_option): New function.
3769         (override_options): Remove handling of m68k_library_id_string.
3770         * config/m68k/m68k.opt: New file.
3771         * config/m68k/ieee.opt: New file.
3772
3773 2005-04-11  Mark Mitchell  <mark@codesourcery.com>
3774
3775         * target-def.h (TARGET_CXX_EXPORT_CLASS_DATA): Remove.
3776         (TARGET_CXX_DETERMINE_CLASS_VISIBILITY): New macro.
3777         (TARGET_CXX_CLASS_DATA_ALWAYS_COMDAT): Likewise.
3778         (TARGET_CXX): Adjust accordingly.
3779         * target.h (struct gcc_target): Remove epxort_class_data.  Add
3780         determine_class_data_visibility and class_data_always_comdat.
3781         * doc/tm.texi (TARGET_CXX_EXPORT_CLASS_DATA): Remove.
3782         (TARGET_CXX_DETERMINE_CLASS_DATA_VISIBILITY): Document.
3783         (TARGET_CXX_CLASS_DATA_ALWAYS_COMDAT): Likewise.
3784         * config/arm/arm.c (arm_cxx_export_class_data): Remove.
3785         (arm_cxx_determine_class_data_visibility): New.
3786         (arm_cxx_class_data_always_comdat): Likewise.
3787         (TARGET_CXX_EXPORT_CLASS_DATA): Remove.
3788         (TARGET_CXX_DETERMINE_CLASS_DATA_VISIBILITY): Define.
3789         (TARGET_CXX_CLASS_DATA_ALWAYS_COMDAT): Likewise.
3790         * config/arm/arm.h (TARGET_ARM_DYNAMIC_VAGUE_LINKAGE_P): Define.
3791         * config/arm/symbian.h (TARGET_ARM_DYNAMIC_VAGUE_LINKAGE_P):
3792         Define.
3793
3794 2005-04-11  Devang Patel  <dpatel@apple.com>
3795
3796         * tree-data-ref.c (build_classic_dist_vector,
3797         compute_subscript_distance): Make externally visible.
3798         * tree-data-ref.h (build_classic_dist_vector,
3799         compute_subscript_distance): Same.
3800         * tree-vect-analyze.c (vect_analyze_data_ref_dependence):
3801         Check distance vector against vectorization factor.
3802         (vect_analyze_loop): Determine vectorizaion factor before
3803         analyzing data dependences.
3804         * tree-vectorizer.c (loops_num): Make it externally visible and
3805         rename ...
3806         * tree-vectorizer.c (vect_loops_num): ... new name.
3807         * tree-vectorizer.h  (vect_loops_num): New.
3808
3809 2005-04-11  Devang Patel  <dpatel@apple.com>
3810
3811         * tree-vect-analyze.c (vect_analyze_operations): Check
3812         vectorizable codition.
3813         * tree-vect-transform.c (vect_is_simple_cond): New function.
3814         (vectorizable_condition): New function.
3815         (vect_transform_stmt): Handle condition_vec_info_type.
3816         * tree-vectorizer.h (enum stmt_vec_info_type): Add
3817         condition_vec_info_type.
3818         (vectorizable_condition): New.
3819
3820 2005-04-11  Geoffrey Keating  <geoffk@apple.com>
3821
3822         * config/i386/i386.h (TARGET_FPMATH_DEFAULT): New.
3823         * config/i386/darwin.h (TARGET_FPMATH_DEFAULT): New.
3824         * config/i386/i386.c (override_options): Use TARGET_FPMATH_DEFAULT.
3825
3826         * config/i386/darwin.h (ASM_SPEC): Use -arch i386 not -arch i686.
3827         (SUBTARGET_EXTRA_SPECS): Always 'i386'.
3828
3829         * dwarf2out.c (output_line_info): Don't try to dereference
3830         a NULL current_function_decl.
3831
3832         * config/t-slibgcc-darwin: Don't put shared libraries in
3833         directories other than $(slibdir).
3834         * config/rs6000/darwin.h: Find -m64 libgcc under the name the
3835         OS uses for it.
3836
3837 2005-04-11  Diego Novillo  <dnovillo@redhat.com>
3838
3839         PR tree-optimization/20933
3840         * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Move
3841         logic to reject aliases between read-only and writable
3842         variables ...
3843         (may_alias_p): ... here.
3844         (get_tmt_for): Do not associate read-only tags to pointers
3845         whose pointed-to type is not read-only.
3846         * tree-ssa.c (verify_ssa): Check that memory stores have at
3847         least one V_MAY_DEF or V_MUST_DEF.
3848
3849 2005-04-11  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3850
3851         PR/17092
3852         * configure.ac (gcc_UNLOCKED_FUNCS): New.
3853         (AC_CHECK_FUNCS, AC_CHECK_DECLS): Check for gcc_UNLOCKED_FUNCS.
3854         * system.h (putchar, getc, getchar, clearerr, feof, fileno,
3855         fflush, fgetc, fgets, ferror, fread): Redefine to the associated
3856         _unlocked function.
3857         (fwrite_unlocked): Fix prototype.
3858
3859         * configure, config.in: Regenerate.
3860
3861 2005-04-11  David Edelsohn  <edelsohn@gnu.org>
3862
3863         * tree-ssa-loop-im.c: Include real.h.
3864         (determine_invariantness_stmt): If real division divisor is
3865         invariant and flag_unsafe_math_optimizations enabled, generate
3866         invariant reciprocal for hoisting.
3867         * Makefile.in (tree-ssa-loop-im.o): Add real.h dependency.
3868
3869 2005-04-11  Daniel Berlin  <dberlin@dberlin.org>
3870
3871         Fix PR tree-optimization/20926
3872
3873         * tree-ssa-alias.c (add_type_alias): Handle subvars.
3874
3875 2005-04-11  Devang Patel  <dpatel@apple.com>
3876
3877         * config/rs6000.c (rs6000_emit_vector_select): Fix vector select
3878         operand ordering.
3879
3880 2005-04-11  Andrew Pinski  <pinskia@physics.uc.edu>
3881
3882         * fold-const.c (fold_binary_op_with_conditional_arg):
3883         use fold_buildN instead of "fold (buildN" in some
3884         non obvious places.
3885         (fold_unary): Likewise.
3886         (fold_binary): Likewise.
3887
3888 2005-04-11  Daniel Berlin  <dberlin@dberlin.org>
3889
3890         Fix PR tree-optimization/20612
3891         * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Fix increment
3892         handling
3893         (perfect_nestify): preheaderbb is *not* part of loop of the
3894         old destination.
3895
3896 2005-04-11  Andrew Pinski  <pinskia@physics.uc.edu>
3897
3898         * tree-ssa-alias.c (may_alias_p): If the variable
3899         is a global variable and the pointer is parameter
3900         and -fargument-noalias-global is used, then
3901         the pointer cannot alias the variable.
3902
3903 2005-04-11  James A. Morrison  <phython@gcc.gnu.org>
3904
3905         * config/sparc/sparc.c: Use gcc_assert and gcc_unreachable.
3906         * config/sparc/sparc.h: Likewise.
3907         * config/sparc/sparc.md: Likewise.
3908
3909 2005-04-11  Kazu Hirata  <kazu@cs.umass.edu>
3910
3911         * tree-vrp.c (maybe_add_assert_expr): Move a comment.
3912
3913         * tree-vrp.c: Fix a comment typo.
3914
3915 2005-04-11  Diego Novillo  <dnovillo@redhat.com>
3916
3917         PR tree-optimization/20920
3918         * tree-pretty-print.c (dump_generic_node): Show '(ab)' if an
3919         SSA_NAME flows through an abnormal edge.
3920         * tree-vrp.c (infer_value_range): Ignore SSA names that flow
3921         through abnormal edges.
3922         (maybe_add_assert_expr): Likewise.
3923
3924 2005-04-11  Richard Sandiford  <rsandifo@redhat.com>
3925
3926         * config/s390/s390.h (s390_tune_string, s390_arch_string)
3927         (s390_warn_framesize_string, s390_warn_dynamicstack_string)
3928         (s390_stack_size_string, s390_stack_guard_string, target_flags)
3929         (MASK_HARD_FLOAT, MASK_SMALL_EXEC, MASK_DEBUG_ARG, MASK_64BIT)
3930         (MASK_ZARCH, MASK_MVCLE, MASK_TPF_PROFILING, MASK_NO_FUSED_MADD)
3931         (MASK_BACKCHAIN, MASK_PACKED_STACK, TARGET_HARD_FLOAT)
3932         (TARGET_SOFT_FLOAT, TARGET_SMALL_EXEC, TARGET_DEBUG_ARG)
3933         (TARGET_64BIT, TARGET_ZARCH, TARGET_MVCLE, TARGET_TPF_PROFILING)
3934         (TARGET_NO_FUSED_MADD, TARGET_FUSED_MADD, TARGET_BACKCHAIN)
3935         (TARGET_PACKED_STACK, TARGET_SWITCHES, TARGET_OPTIONS): Delete.
3936         * config/s390/s390.c (TARGET_DEFAULT_TARGET_FLAGS): Override default.
3937         (TARGET_HANDLE_OPTION): Likewise.
3938         (s390_tune): Initialize to PROCESSOR_max.
3939         (s390_arch_string): Make static.
3940         (s390_tune_string, s390_warn_framesize_string): Delete.
3941         (s390_warn_dynamicstack_string, s390_stack_size_string): Delete.
3942         (s390_stack_guard_string, s390_warn_dynamicstack_p): Delete.
3943         (s390_handle_arch_option, s390_handle_option): New functions.
3944         (override_options): Remove parsing of option strings.
3945         * config/s390/s390.opt: New file.
3946
3947 2005-04-11  Paolo Bonzini  <bonzini@gnu.org>
3948
3949         * tree-complex.c (expand_vector_operations): Call
3950         update_stmt_if_modified.
3951
3952 2005-04-11  Paolo Bonzini  <bonzini@gnu.org>
3953
3954         * tree-vect-analyze (vect_determine_vectorization_factor):
3955         Do not use GET_MODE_NUNITS.
3956         * tree-vect-transform.c (vect_get_vec_def_for_operand,
3957         (vectorizable_load, vect_transform_loop): Likewise.
3958
3959 2005-04-11  Uros Bizjak  <uros@kss-loka.si>
3960
3961         * builtins.def (BUILT_IN_LCEIL, BUILT_IN_LCEILF, BUILT_IN_LCEILL)
3962         (BUILT_IN_LLCEIL, BUILT_IN_LLCEILF, BUILT_IN_LLCEILL): New.
3963         * optabs.h (enum optab_index): Add new OTI_lceil.
3964         (lceil_optab): Define corresponding macro.
3965         * optabs.c (init_optabs): Initialize lceil_optab.
3966         * genopinit.c (optabs): Implement lceil_optab using lceilsi2
3967         and lceildi2 patterns.
3968         * builtins.c (expand_builtin_int_roundingfn): Handle
3969         BUILT_IN_LCEIL{,F,L} and BUILT_IN_LLCEIL{,F,L}.
3970         (fold_builtin_int_roundingfn): Handle BUILT_IN_LCEIL{,F,L} and
3971         BUILT_IN_LLCEIL{,F,L}.
3972         (fold_builtin_1): Fold BUILT_IN_LCEIL{,F,L} and
3973         BUILT_IN_LLCEIL{,F,L} using fold_builtin_int_roundingfn.
3974         (mathfn_built_in): Handle BUILT_IN LCEIL and BUILT_IN_LLCEIL.
3975         (expand_builtin): Expand BUILT_IN_LCEIL{,F,L} and
3976         BUILT_IN_LLCEIL{,F,L} using expand_builtin_int_roundingfn.
3977         * convert.c (convert_to_integer): Convert (long int)ceil{,f,l},
3978         into lceil built-in function and (long long int)ceil{,f,l} into
3979         llceil built-in function.
3980         * fold-const.c (tree_expr_nonnegative_p): Add BUILT_IN_LCEIL and
3981         BUILT_IN_LLCEIL.
3982
3983 2005-04-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3984
3985         * pa/quadlib.c (_U_Qfneg): Toggle sign bit instead of subtracting from
3986         zero.
3987
3988 2005-04-10  Kazu Hirata  <kazu@cs.umass.edu>
3989
3990         * config/arm/arm.c: Fix a comment typo.
3991         * doc/tree-ssa.texi: Fix a typo.
3992
3993 2005-04-10  Steven Bosscher  <stevenb@suse.de>
3994
3995         * cselib.c (clear_table): Rename to cselib_clear_table.
3996         * cselib.h (cselib_clear_table): Add prototype.
3997         * gcse.c (gcse_main): Make 'f' argument unused.
3998         (alloc_gcse_mem): Do not walk the insn chain, walk the contents
3999         of each basic block instead.
4000         (compute_sets, compute_hash_table_work): Likewise.
4001         (constprop_register): Change int 'alter_jumps' argument to bool.
4002         (do_local_cprop): Likewise.
4003         (local_cprop_pass): Likewise.  Also walk basic blocks instead of
4004         the insn chain.  Explicitly clear the cselib tables after finishing
4005         one basic block.  Make sure there are no unterminated libcall blocks.
4006         Update compute_sets call.
4007         (cprop): Walk basic blocks instead of the insn chain.
4008         (one_cprop_pass, compute_ld_motion_mems, compute_store_table):
4009         Likewise.
4010         (bypass_jumps): Update alloc_gcse_mem, compute_sets, and
4011         one_cprop_pass calls.
4012
4013 2005-04-10  Richard Sandiford  <rsandifo@redhat.com>
4014
4015         * combine.c (combine_simplify_rtx): Remove a transformation that
4016         relies on an invalid assumption about rtl sign-extension semantics.
4017
4018 2005-04-10  Richard Sandiford  <rsandifo@redhat.com>
4019
4020         * value-prof.c (tree_divmod_fixed_value_transform): Fix arguments
4021         to build_int_cst_wide.
4022
4023 2005-04-09  Alexandre Oliva  <aoliva@redhat.com>
4024
4025         PR target/20126
4026         * loop.c (loop_givs_rescan): If replacement of DEST_ADDR failed,
4027         set the original address pseudo to the correct value before the
4028         original insn, if possible, and leave the insn alone, otherwise
4029         create a new pseudo, set it and replace it in the insn.
4030         * recog.c (validate_change_maybe_volatile): New.
4031         * recog.h (validate_change_maybe_volatile): Declare.
4032
4033 2005-04-09  Caroline Tice  <ctice@apple.com>
4034
4035         * bb-reorder.c (find_rarely_executed_basic_blocks_and_crossing_edges):
4036         Remove targetm.have_named_sections test.
4037         (fix_edges_for_rarely_executed_code): Likewise.
4038         (insert_section_boundary_note): Likewise.
4039         (reorder_basic_blocks): Check partitioning flag before calling
4040         verify_hot_cold_block_grouping.
4041         * dbxout.c (dbxout_function_end): Get hot/cold section labels from
4042         the function struct rather than global variables.
4043         * dwarf2out.c (COLD_TEXT_SECTION_LABEL): New macro.
4044         (COLD_END_LABEL): Likewise
4045         (cold_text_section_label): New static global variable.
4046         (cold_end_label): Likewise.
4047         (dwarf2out_switch_text_section): Get hot/cold section labels from
4048         the function struct rather than global variables.
4049         (output_aranges): Use cold_text_section_label and cold_end_label;
4050         check partitioning flag before putting out delta.
4051         (output_ranges): Remove incorrect code attempting to use
4052         hot/cold labels.
4053         (output_line_info): Get cold section label from function struct.
4054         (add_location_or_const_value_attribute): Likewise.
4055         (get_subprogram_die): Get hot/cold section labels from function struct.
4056         (dwarf2out_var_location): Likewise.
4057         (dwarf2out_init): Generate cold_text_section_label and cold_end_label;
4058         write out cold_text_section_label if partition flag is set.
4059         (dwarf2out_finish): Write out cold_end_label if partition flag is set;
4060         * function.h (struct function): Add new fields to point to hot/cold
4061         section labels: hot_section_label, cold_section_label,
4062         hot_section_end_label and cold_section_end_label; also add new field
4063         for cold text section name, unlikely_text_section_name.
4064         * opts.c (decode_options): Turn off partitioning flag if
4065         !targetm.have_named_sections.
4066         * output.h (hot_section_label): Remove.
4067         (hot_section_end_label): Remove.
4068         (cold_section_end_label): Remove.
4069         (unlikely_section_label): Remove.
4070         (unlikely_text_section_name): Remove.
4071         * passes.c (rest_of_handle_final):  Remove code that frees
4072         unlikely_text_section_name.
4073         * varasm.c (unlikely_section_label): Remove.
4074         (hot_section_label): Remove.
4075         (hot_section_end_label): Remove.
4076         (cold_section_end_label): Remove.
4077         (unlikely_text_section_name):  Remove.
4078         (initialize_cold_section_name): Modify to call
4079         targetm.strip_name_encoding; to store cold section name in current
4080         function struct, if it exists; and to only use the decl_section_name
4081         if flag_named_sections is true.
4082         (unlikely_text_section): Modify to get section name out of current
4083         function struct, if there is one; otherwise build it from
4084         UNLIKELY_EXECUTED_TEXT_SECTION_NAME.
4085         (in_unlikely_text_section): Likewise.
4086         (named_section): Modify to get/put cold section name in current function
4087         struct, if there is one.
4088         (function_section):  Change 'bool unlikely' to 'int reloc'; check
4089         targetm.have_named_sections before calling named_section.
4090         (current_function_section): Likewise.
4091         (assemble_start_function): Modify to get/put unlikely_text_section_name
4092         in current function struct; modify to get hot/cold section labels
4093         from function struct; initialize labels using
4094         ASM_GENERATE_INTERNAL_LABEL;
4095         test partitioning flag before writing out hot section label.
4096         (assemble_end_function): Test partitioning flag before writing out
4097         hot/cold section labels.
4098         (default_section_type_flags_1):  Modify to use array instead of
4099          char* for unlikely_text_section_name; set flags correctly for
4100          cold text section if there is not a current function decl.
4101
4102 2005-04-09  Jakub Jelinek  <jakub@redhat.com>
4103
4104         * tree.h (enum tree_index): Add TI_VA_LIST_GPR_COUNTER_FIELD
4105         and TI_VA_LIST_FPR_COUNTER_FIELD.
4106         (va_list_gpr_counter_field, va_list_fpr_counter_field): Define.
4107         * tree-pass.h (pass_stdarg): Add.
4108         * tree-optimize.c (init_tree_optimization_passes): Add pass_stdarg.
4109         * tree-stdarg.c: New file.
4110         * tree-stdarg.h: New file.
4111         * Makefile.in (OBJS-common): Add tree-stdarg.o.
4112         (tree-stdarg.o): Add dependencies.
4113         * function.h (struct function): Add va_list_gpr_size and
4114         va_list_fpr_size fields.
4115         * function.c (allocate_struct_function): Initialize them.
4116         * target.h (struct gcc_target): Add stdarg_optimize_hook.
4117         * target-def.h (TARGET_STDARG_OPTIMIZE_HOOK): Define.
4118         (TARGET_INITIALIZER): Add it.
4119
4120         * config/i386/i386.c (ix86_build_builtin_va_list): Initialize
4121         va_list_{g,f}pr_counter_field.
4122         (ix86_setup_incoming_varargs): Don't do anything if reg_save
4123         area will not be used.  Only save registers that tree-stdarg.c
4124         detected they need saving.
4125         (ix86_va_start): Don't set up fields that won't be used.
4126
4127         * config/rs6000/rs6000.c (rs6000_build_builtin_va_list): Initialize
4128         va_list_{g,f}pr_counter_field.
4129         (setup_incoming_varargs): Don't do anything if reg_save
4130         area will not be used.  Only save registers that tree-stdarg.c
4131         detected they need saving.
4132         (rs6000_va_start): Don't set up fields that won't be used.
4133
4134         * config/alpha/alpha.c: Include tree-flow.h and tree-stdarg.h.
4135         (alpha_build_builtin_va_list): Initialize va_list_gpr_counter_field.
4136         (va_list_skip_additions, alpha_stdarg_optimize_hook): New functions.
4137         (TARGET_STDARG_OPTIMIZE_HOOK): Define.
4138
4139 2005-04-09  Jakub Jelinek  <jakub@redhat.com>
4140
4141         PR target/20795
4142         * config/i386/i386.c (construct_container): Pass empty aligned
4143         struct, union or class in memory.
4144
4145 2005-04-09  Kazu Hirata  <kazu@cs.umass.edu>
4146
4147         * dominance.c, gthr-win32.h, reg-stack.c, tree-ssa-copy.c,
4148         tree-ssa-operands.c, tree-ssa.c, tree-vrp.c, varasm.c,
4149         config/alpha/alpha.c, config/arm/arm.c, config/m32r/m32r.h,
4150         config/rs6000/predicates.md: Fix comment typos.
4151
4152         * sched-int.h (haifa_insn_data): Remove blockage and units.
4153         (INSN_UNIT, INSN_BLOCKAGE, UNIT_BITS, BLOCKAGE_MASK,
4154         ENCODE_BLOCKAGE, UNIT_BLOCKED, BLOCKAGE_RANGE,
4155         MIN_BLOCKAGE_COST, MAX_BLOCKAGE_COST): Remove.
4156
4157 2005-04-09  Jan Hubicka  <jh@suse.cz>
4158             Steven Bosscher  <stevenb@suse.de>
4159
4160         * cfglayout.c (copy_bbs): Rename n_edges to num_edges.
4161         * cfgloop.c (get_loop_exit_edges): Likewise.
4162         * cfgloopmanip.c (fix_irreducible_loops): Likewise.
4163         (unloop): Likewise.
4164         * loop-unroll.c (analyze_insns_in_loop): Likewise.
4165         * tree-cfg.c (dump_cfg_status): Likewise.
4166
4167 2005-04-09  David Edelsohn  <edelsohn@gnu.org>
4168
4169         * config/rs6000/predicates.md (altivec_register_operand): Remove
4170         redundant match_code test.
4171         (gpc_reg_operand): Same.
4172         (cc_reg_operand): Same.
4173         (cc_reg_not_cr0_operand): Same.
4174
4175 2005-04-09  Jan Hubicka  <jh@suse.cz>
4176
4177         Forgotten hunk from my last merge patch:
4178         * final.c (output_addr_const): Do not call mark_referenced.
4179
4180 2005-04-09  Andrew MacLeod  <amacleod@redhat.com>
4181
4182         * doc/tree-ssa.texi: Add immediate use documentation.
4183
4184 2005-04-09  Richard Earnshaw <richard.earnshaw@arm.com>
4185
4186         * arm.c (FL_WBUF): Define.
4187         (arm_tune_strongarm): Renamed from arm_is_strong.  All uses changed.
4188         (arm_is_6_or_7): Delete.
4189         (arm_tune_wbuf): New.
4190         (arm_override_options): Set arm_tune_wbuf.
4191         * arm.h (arm_tune_strongarm): Renamed from arm_is_strong.
4192         (arm_is_6_or_7): Delete declaration.
4193         (arm_tune_wbuf): New declartion.
4194         * arm.md (is_strongarm): Derive from arm_tune_strongarm.
4195         (model_wbuf): Derive from arm_tune_wbuf.
4196         * arm-cores.def (arm600, arm610, arm620, arm700, arm700i, arm710)
4197         (arm720, arm710c, arm7100, arm7500, arm7500fe, arm710t, arm720t)
4198         (arm740t): Mark CPUs as having a write buffer.
4199
4200 2005-04-09  Uros Bizjak  <uros@kss-loka.si>
4201
4202         * config/i386/i386.md (*fp_jcc_7_387): Use 'const0_operand' instead
4203         of 'const_double_operand' in operand 2 constraints.  Update enable
4204         condition.
4205
4206 2005-04-09  Uros Bizjak  <uros@kss-loka.si>
4207
4208         * builtins.def (BUILT_IN_LFLOOR, BUILT_IN_LFLOORF, BUILT_IN_LFLOORL)
4209         (BUILT_IN_LLFLOOR, BUILT_IN_LLFLOORF, BUILT_IN_LLFLOORL): New.
4210         * optabs.h (enum optab_index): Add new OTI_lfloor.
4211         (lfloor_optab): Define corresponding macro.
4212         * optabs.c (init_optabs): Initialize lfloor_optab.
4213         * genopinit.c (optabs): Implement lfloor_optab using lfloorsi2
4214         and lfloordi2 patterns.
4215         * builtins.c (expand_builtin_int_roundingfn): New prototype.
4216         (expand_builtin_int_roundingfn): New function.
4217         (fold_builtin_int_roundingfn): New prototype.
4218         (fold_builtin_int_roundingfn): New function, renamed from
4219         fold_builtin_lround.
4220         Handle BUILT_IN_LROUND{,F,L}, BUILT_IN_LLROUND{,F,L} and
4221         BUILT_IN_LFLOOR{,F,L}, BUILT_IN_LLFLOOR{,F,L}.
4222         (fold_builtin_1): Fold BUILT_IN_LFLOOR{,F,L} and
4223         BUILT_IN_LLFLOOR{,F,L} using fold_builtin_int_roundingfn.
4224         (mathfn_built_in): Handle BUILT_IN LFLOOR and BUILT_IN_LLFLOOR.
4225         (expand_builtin): Expand BUILT_IN_LFLOOR{,F,L} and
4226         BUILT_IN_LLFLOOR{,F,L} using expand_builtin_int_roundingfn.
4227         * convert.c (convert_to_integer): Convert (long int)floor{,f,l},
4228         into lfloor built-in function and (long long int)floor{,f,l} into
4229         llfloor built-in function.
4230         * fold-const.c (tree_expr_nonnegative_p): Add BUILT_IN_LFLOOR and
4231         BUILT_IN_LLFLOOR.
4232
4233 2005-04-08  Ian Lance Taylor  <ian@airs.com>
4234
4235         * c-common.def: Move FOR_STMT, WHILE_STMT, DO_STMT, BREAK_STMT,
4236         CONTINUE_STMT, and SWITCH_STMT to cp/cp-tree.def.
4237         * c-common.h (WHILE_COND, WHILE_BODY): Move to cp/cp-tree.h.
4238         (DO_COND, DO_BODY): Likewise.
4239         (FOR_INIT_STMT, FOR_COND, FOR_EXPR, FOR_BODY): Likewise.
4240         (SWITCH_STMT_COND, SWITCH_STMT_BODY, SWITCH_STMT_TYPE): Likewise.
4241         (c_common_stmt_codes): Remove FOR_STMT, WHILE_STMT, DO_STMT,
4242         BREAK_STMT, CONTINUE_STMT, and SWITCH_STMT.
4243         (build_continue_stmt, build_break_stmt): Don't declare.
4244         (c_do_switch_warnings): Update declaration.
4245         * c-gimplify.c (enum bc_t): Remove.
4246         (struct c_gimplify_ctx, ctxp): Remove.
4247         (push_context, pop_context): Remove static functions.
4248         (c_genericize): Don't call push_context or pop_context.
4249         (begin_bc_block, finish_bc_block): Remove static functions.
4250         (build_bc_goto): Likewise.
4251         (gimplify_c_loop): Likewise.
4252         (gimplify_for_stmt, gimplify_while_stmt): Likewise.
4253         (gimplify_do_stmt, gimplify_switch_stmt): Likewise.
4254         (c_gimplify_expr): Remove handling of FOR_STMT, WHILE_STMT,
4255         DO_STMT, SWITCH_STMT, CONTINUE_STMT, BREAK_STMT.
4256         * c-common.c (c_do_switch_warnings): Rename from
4257         c_do_switch_warnings_1.
4258         (c_do_switch_warnings) [old version]: Remove.
4259         (c_do_switch_expr_warnings): Remove.
4260         * c-typeck.c (c_finish_case): Call new c_do_switch_warnings
4261         function instead of c_do_switch_expr_warnings.
4262         * c-dump.c (c_dump_tree): Remove handling of BREAK_STMT,
4263         CONTINUE_STMT, DO_STMT, FOR_STMT, SWITCH_STMT, and WHILE_STMT.
4264         * c-pretty-print.c (pp_c_statement): Likewise.
4265         * c-semantics.c (build_break_stmt, build_continue_stmt): Remove.
4266
4267 2005-04-08  Devang Patel  <dpatel@apple.com>
4268
4269         * tree-if-conv.c (find_phi_replacement_condition): New parameter, loop.
4270         While selecting replacement condition pay attention to loop header.
4271
4272 2005-04-08  Diego Novillo  <dnovillo@redhat.com>
4273
4274         Merge from tree-cleanup-branch: VRP, store CCP, store
4275             copy-prop, incremental SSA updating of FUD chains and
4276             newly exposed symbols.
4277
4278         * Makefile.in (tree-ssa-copy.o): Depend on tree-ssa-propagate.h.
4279         (OBJS-common): Add tree-vrp.o.
4280         (tree-vrp.o): New rule.
4281         * basic-block.h (nearest_common_dominator_for_set): Declare.
4282         * common.opt (ftree-store-ccp): New flag.
4283         (ftree-copy-prop): New flag.
4284         (ftree-vrp): New flag.
4285         (ftree-store-copy-prop): New flag.
4286         * dominance.c (nearest_common_dominator_for_set): New.
4287         * domwalk.c (walk_dominator_tree): Only traverse
4288         statements in blocks marked in walk_data->interesting_blocks.
4289         * domwalk.h (struct dom_walk_data): Add field interesting_blocks.
4290         * fold-const.c (fold): Handle ASSERT_EXPR.
4291         * opts.c (decode_options): Set flag_tree_copy_prop at -O1.
4292         Set flag_tree_store_ccp, flag_tree_store_copy_prop and
4293         flag_tree_vrp at -O2.
4294         * timevar.def (TV_TREE_VRP): Define.
4295         (TV_TREE_COPY_PROP): Define.
4296         (TV_TREE_STORE_COPY_PROP): Define.
4297         (TV_TREE_SSA_INCREMENTAL): Define.
4298         (TV_TREE_STORE_CCP): Define.
4299         * tree-cfg.c (tree_can_merge_blocks_p): Remove reference
4300         to kill_redundant_phi_nodes from comment.
4301         (verify_expr): Handle ASSERT_EXPR.
4302         * tree-dfa.c (mark_new_vars_to_rename): Remove second
4303         argument.  Update all users.
4304         (mark_call_clobbered_vars_to_rename): Remove.  Update all
4305         users.
4306         * tree-flow-inline.h (unmodifiable_var_p): New.
4307         * tree-flow.h (enum value_range_type): Declare.
4308         (struct value_range_def): Declare.
4309         (value_range): Declare.
4310         (remove_all_phi_nodes_for): Remove.  Update all users.
4311         (find_phi_node_for): Declare.
4312         (add_type_alias): Declare.
4313         (count_uses_and_derefs): Declare.
4314         (kill_redundant_phi_nodes): Remove.
4315         (rewrite_into_ssa): Remove.
4316         (rewrite_def_def_chains): Remove.
4317         (update_ssa, register_new_name_mapping, create_new_def_for,
4318         need_ssa_update_p, name_registered_for_update_p,
4319         release_ssa_name_after_update_ssa, dump_repl_tbl,
4320         debug_repl_tbl, dump_names_replaced_by,
4321         debug_names_replaced_by, mark_sym_for_renaming,
4322         mark_set_for_renaming, get_current_def, set_current_def,
4323         get_value_range, dump_value_range, debug_value_range,
4324         dump_all_value_ranges, debug_all_value_ranges,
4325         expr_computes_nonzero, loop_depth_of_name,
4326         unmodifiable_var_p): Declare.
4327         * tree-gimple.c (is_gimple_formal_tmp_rhs): Handle
4328         ASSERT_EXPR.
4329         * tree-into-ssa.c (block_defs_stack): Update comment.
4330         (old_ssa_names, new_ssa_names, old_virtual_ssa_names,
4331         syms_to_rename, names_to_release, repl_tbl,
4332         need_to_initialize_update_ssa_p, need_to_update_vops_p,
4333         need_to_replace_names_p): New locals.
4334         (NAME_SETS_GROWTH_FACTOR): Define.
4335         (struct repl_map_d): Declare.
4336         (struct mark_def_sites_global_data): Add field
4337         interesting_blocks.
4338         (enum rewrite_mode): Declare.
4339         (REGISTER_DEFS_IN_THIS_STMT): Define.
4340         (compute_global_livein): Use last_basic_block instead of
4341         n_basic_blocks.
4342         (set_def_block): Remove last argument.  Update all callers.
4343         (prepare_use_operand_for_rename): Remove.  Update all callers.
4344         (prepare_def_operand_for_rename): Remove.  Update all callers.
4345         (symbol_marked_for_renaming): New.
4346         (is_old_name): New.
4347         (is_new_name): New.
4348         (repl_map_hash): New.
4349         (repl_map_eq): New.
4350         (repl_map_free): New.
4351         (names_replaced_by): New.
4352         (add_to_repl_tbl): New.
4353         (add_new_name_mapping): New.
4354         (mark_def_sites): Assume that all the operands in the
4355         statement are in normal form.
4356         (find_idf): Assert that the block in the stack is valid.
4357         (get_default_def_for): New.
4358         (insert_phi_nodes_for): Add new argument 'update_p'.
4359         Add documentation.
4360         If update_p is true, add a new mapping between the LHS of
4361         each new PHI and the name that it replaces.
4362         (insert_phi_nodes_1): Only call find_idf if needed.
4363         (get_reaching_def): Call get_default_def_for.
4364         (rewrite_operand): Remove.
4365         (rewrite_stmt): Do nothing if REGISTER_DEFS_IN_THIS_STMT
4366         and REWRITE_THIS_STMT are false.
4367         Assume that all the operands in the statement are in
4368         normal form.
4369         (rewrite_add_phi_arguments): Don't use PHI_REWRITTEN.
4370         (rewrite_virtual_phi_arguments): Remove.
4371         (invalidate_name_tags): Remove.
4372         (register_new_update_single, register_new_update_set,
4373         rewrite_update_init_block, replace_use,
4374         rewrite_update_fini_block, rewrite_update_stmt,
4375         rewrite_update_phi_arguments): New.
4376         rewrite_blocks): Remove argument 'fix_virtual_phis'.
4377         Add arguments 'entry', 'what' and 'blocks'.
4378         Initialize the dominator walker according to 'what' and
4379         'blocks'.
4380         Start the dominator walk at 'entry'.
4381         (mark_def_site_blocks): Add argument 'interesting_blocks'.
4382         Use it to configure the dominator walker.
4383         (rewrite_into_ssa): Remove argument 'all'.
4384         Make internal.
4385         (rewrite_all_into_ssa): Remove.
4386         (rewrite_def_def_chains): Remove.
4387         (mark_def_interesting, mark_use_interesting,
4388         prepare_phi_args_for_update, prepare_block_for_update,
4389         prepare_def_site_for, prepare_def_sites,
4390         dump_names_replaced_by, debug_names_replaced_by,
4391         dump_repl_tbl, debug_repl_tbl, init_update_ssa,
4392         delete_update_ssa, create_new_def_for,
4393         register_new_name_mapping, mark_sym_for_renaming,
4394         mark_set_for_renaming, need_ssa_update_p,
4395         name_registered_for_update_p, ssa_names_to_replace,
4396         release_ssa_name_after_update_ssa,
4397         insert_updated_phi_nodes_for, update_ssa): New.
4398         * tree-loop-linear.c (linear_transform_loops): Call
4399         update_ssa instead of rewrite_into_ssa.
4400         * tree-optimize.c (vars_to_rename): Remove.
4401         Update all users.
4402         (init_tree_optimization_passes): Replace
4403         pass_redundant_phi with pass_copy_prop.
4404         Add pass_vrp.
4405         Replace pass_ccp with pass_store_ccp.
4406         Add pass_store_copy_prop after pass_store_ccp.
4407         (execute_todo): If the TODO_ flags don't include updating
4408         the SSA form, assert that it does not need to be updated.
4409         Call update_ssa instead of rewrite_into_ssa and
4410         rewrite_def_def_chains.
4411         If TODO_verify_loops is set, call verify_loop_closed_ssa.
4412         (tree_rest_of_compilation):
4413         * tree-pass.h (TODO_dump_func, TODO_ggc_collect,
4414         TODO_verify_ssa, TODO_verify_flow, TODO_verify_stmts,
4415         TODO_cleanup_cfg): Renumber.
4416         (TODO_verify_loops, TODO_update_ssa,
4417         TODO_update_ssa_no_phi, TODO_update_ssa_full_phi,
4418         TODO_update_ssa_only_virtuals): Define.
4419         (pass_copy_prop, pass_store_ccp, pass_store_copy_prop, pass_vrp):
4420         Declare.
4421         * tree-phinodes.c (make_phi_node): Update documentation.
4422         (remove_all_phi_nodes_for): Remove.
4423         (find_phi_node_for): New.
4424         * tree-pretty-print.c (dump_generic_node): Handle ASSERT_EXPR.
4425         * tree-scalar-evolution.c (follow_ssa_edge_in_rhs): Likewise.
4426         (interpret_rhs_modify_expr): Likewise.
4427         * tree-sra.c (decide_instantiations): Mark all symbols in
4428         SRA_CANDIDATES for renaming.
4429         (mark_all_v_defs_1): Rename from mark_all_v_defs.
4430         (mark_all_v_defs): New function.  Update all users to call it
4431         with the whole list of scalarized statements, not just the
4432         first one.
4433         * tree-ssa-alias.c (count_ptr_derefs): Make extern.
4434         (compute_flow_insensitive_aliasing): If the tag is
4435         unmodifiable and the variable isn't or vice-versa, don't
4436         make them alias of each other.
4437         (setup_pointers_and_addressables): If the type tag for
4438         VAR is about to change, mark the old one for renaming.
4439         (add_type_alias): New.
4440         * tree-ssa-ccp.c: Document SSA-CCP and STORE-CCP.
4441         (ccp_lattice_t): Rename from latticevalue.
4442         (value): Remove.  Update all users.
4443         (const_val): New local variable.
4444         (do_store_ccp): New local variable.
4445         (dump_lattice_value): Handle UNINITIALIZED.
4446         (debug_lattice_value): New.
4447         (get_default_value): Re-write.
4448         (set_lattice_value): Re-write.
4449         (def_to_varying): Remove.  Update all users.
4450         (likely_value): Return VARYING for statements that make
4451         stores when STORE_CCP is false.
4452         Return VARYING for any statement other than MODIFY_EXPR,
4453         COND_EXPR and SWITCH_EXPR.
4454         (ccp_initialize): Re-write.
4455         (replace_uses_in, replace_vuse_in, substitute_and_fold):
4456         Move to tree-ssa-propagate.c.
4457         (ccp_lattice_meet): Handle memory stores when
4458         DO_STORE_CCP is true.
4459         (ccp_visit_phi_node): Likewise.
4460         (ccp_fold): Likewise.
4461         (evaluate_stmt): Likewise.
4462         (visit_assignment): Likewise.
4463         (ccp_visit_stmt): Likewise.
4464         (execute_ssa_ccp): Add argument 'store_ccp'.  Copy it
4465         into DO_STORE_CCP.
4466         (do_ssa_ccp): New.
4467         (pass_ccp): Use it.
4468         (do_ssa_store_ccp): New.
4469         (gate_store_ccp): New.
4470         (pass_store_ccp): Declare.
4471         * tree-ssa-copy.c: Include tree-ssa-propagate.h.
4472         (may_propagate_copy): Reformat.
4473         Don't abort if ORIG is a virtual and DEST isn't.
4474         If NEW does not have alias information but DEST does,
4475         copy it.
4476         (copy_of, cached_last_copy_of, do_store_copy_prop, enum
4477         copy_prop_kind, which_copy_prop): Declare.
4478         (stmt_may_generate_copy, get_copy_of_val,
4479         get_last_copy_of, set_copy_of_val, dump_copy_of,
4480         copy_prop_visit_assignment, copy_prop_visit_cond_stmt,
4481         copy_prop_visit_stmt, copy_prop_visit_phi_node,
4482         init_copy_prop, fini_copy_prop, execute_copy_prop,
4483         gate_copy_prop, do_copy_prop, gate_store_copy_prop,
4484         store_copy_prop): New.
4485         (pass_copy_prop, pass_store_copy_prop): Declare.
4486         * tree-ssa-dom.c (struct opt_stats_d): Add fields
4487         'num_const_prop' and 'num_copy_prop'.
4488         (cprop_operand): Update them.
4489         (dump_dominator_optimization_stats): Dump them.
4490         (tree_ssa_dominator_optimize): Call update_ssa instead of
4491         rewrite_into_ssa.
4492         (loop_depth_of_name): Declare extern.
4493         (simplify_cond_and_lookup_avail_expr): Guard against NULL
4494         values for LOW or HIGH.
4495         (cprop_into_successor_phis): Only propagate if NEW != ORIG.
4496         (record_equivalences_from_stmt): Call expr_computes_nonzero.
4497         (cprop_operand): Only propagate if VAL != OP.
4498         * tree-ssa-dse.c (dse_optimize_stmt): Mark symbols in removed
4499         statement for renaming.
4500         * tree-ssa-loop-im.c (move_computations): Call update_ssa.
4501         * tree-ssa-loop-ivopts.c (rewrite_address_base): Call
4502         add_type_alias if necessary.
4503         Call mark_new_vars_to_rename.
4504         (tree_ssa_iv_optimize): If new symbols need to be renamed,
4505         mark every statement updated, call update_ssa and
4506         rewrite_into_loop_closed_ssa.
4507         * tree-ssa-loop-manip.c (add_exit_phis): Do not remove DEF_BB
4508         from LIVEIN if VAR is a virtual.
4509         * tree-ssa-loop.c (tree_loop_optimizer_init): Call update_ssa.
4510         * tree-ssa-operands.c (get_expr_operands): Handle ASSERT_EXPR.
4511         (get_call_expr_operands): Reformat statement.
4512         (add_stmt_operand): Don't create V_MAY_DEFs for read-only
4513         symbols.
4514         * tree-ssa-propagate.c (ssa_prop_init): Initialize
4515         SSA_NAME_VALUE for every name.
4516         (first_vdef, stmt_makes_single_load, stmt_makes_single_store,
4517         get_value_loaded_by): New.
4518         (replace_uses_in, replace_vuses_in, replace_phi_args_in,
4519         substitute_and_fold): Move from tree-ssa-ccp.c.
4520         * tree-ssa-propagate.h (struct prop_value_d, prop_value_t,
4521         first_vdef, stmt_makes_single_load, stmt_makes_single_store,
4522         get_value_loaded_by, replace_uses_in, substitute_and_fold):
4523         Declare.
4524         * tree-ssa.c (verify_use): Fix error message.
4525         (propagate_into_addr, replace_immediate_uses, get_eq_name,
4526         check_phi_redundancy, kill_redundant_phi_nodes,
4527         pass_redundant_phi): Remove.  Update all users.
4528         * tree-vect-transform.c (vect_create_data_ref_ptr): Call
4529         add_type_alias, if necessary.
4530         * tree-vectorizer.h (struct _stmt_vect_info): Update
4531         documentation for field 'memtag'.
4532         * tree-vrp.c: New file.
4533         * tree.def (ASSERT_EXPR): Define.
4534         * tree.h (ASSERT_EXPR_VAR): Define.
4535         (ASSERT_EXPR_COND): Define.
4536         (SSA_NAME_VALUE_RANGE): Define.
4537         (struct tree_ssa_name): Add field 'value_range'.
4538         (PHI_REWRITTEN): Remove.
4539         (struct tree_phi_node): Remove field 'rewritten'.
4540         * doc/invoke.texi (-fdump-tree-storeccp, -ftree-copy-prop,
4541         -ftree-store-copy-prop): Document.
4542         * doc/tree-ssa.texi: Remove broken link to McCAT's compiler.
4543         Document usage of update_ssa.
4544
4545 2005-04-08  David Edelsohn  <edelsohn@gnu.org>
4546
4547         PR target/20814
4548         * config/rs6000/predicates.md (altivec_register_operand): Accept
4549         SUBREG.
4550         (and64_operand): Do not limit CONST_INT to mask64_operand.
4551         (and64_2_operand): Do not limit CONST_INT to mask64_1or2_operand.
4552         (and_operand): Do not limit CONST_INT to mask_operand.
4553
4554 2005-04-09  Hans-Peter Nilsson  <hp@axis.com>
4555
4556         PR rtl-optimization/20466
4557         * flow.c (invalidate_mems_from_set): Handle a MEM by checking it
4558         for overlap of the address of each list member.
4559         (mark_set_1): Call invalidate_mems_from_set for MEMs too.
4560
4561 2005-04-08  Mike Stump  <mrs@apple.com>
4562
4563         * config/darwin.c (indirect_data): Fix typo in strncmp logic.
4564
4565         * config/rs6000/rs6000.c (rs6000_emit_prologue): Use 5 nops,
4566         instead of 4.
4567
4568 2005-04-08  Kazu Hirata  <kazu@cs.umass.edu>
4569
4570         * c-tree.h (C_LANG_TREE_NODE_CHAIN_NEXT): Remove.
4571
4572         * function.c (push_function_context_to): Don't set
4573         contains_functions.
4574         * function.h (function): Remove contains_functions.
4575         (current_function_contains_functions): Remove.
4576
4577         * function.h (function): Remove instrument_entry_exit.
4578         (current_function_instrument_entry_exit): Remove.
4579
4580         * function.h (nonlocal_labels): Remove.
4581
4582         * tree.h (STRIP_MAIN_TYPE_NOPS): Remove.
4583
4584         * genattrtab.c (attr_desc): Remove negative_ok and unsigned_p.
4585         (check_attr_value, write_attr_get, write_expr_attr_cache,
4586         find_attr, make_internal_attr): Don't reference negative_ok or
4587         unsigned_p.
4588         * genattrtab.h (ATTR_NEGATIVE_OK, ATTR_UNSIGNED,
4589         ATTR_FUNC_UNITS, ATTR_BLOCKAGE): Remove.
4590         (ATTR_STATIC): Adjust the value.
4591
4592         * c-common.h (C_ARTIFICIAL_STRING_P): Remove.
4593
4594 2005-04-08  Ulrich Weigand  <uweigand@de.ibm.com>
4595
4596         * config/s390/tpf.h (ASM_SPEC): Define.
4597
4598 2005-04-08  Kazu Hirata  <kazu@cs.umass.edu>
4599
4600         * tree-flow.h: Remove the prototype for
4601         redirect_immediate_uses.
4602         (TDFA_USE_OPS, TDFA_USE_VOPS): Remove.
4603
4604 2005-04-08  Richard Earnshaw  <richard.earnshaw@arm.com>
4605
4606         * arm.c (arm_const_double_by_parts): New function.
4607         * arm-protos.h (arm_const_double_by_parts): Add prototype.
4608         * arm.md (define_split for 64-bit constants): Add another one.
4609
4610 2005-04-08  Andrew MacLeod  <amacleod@redhat.com>
4611
4612         * tree-ssa-operands.c (correct_use_link): Remove linear scan.
4613
4614 2005-04-08  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
4615
4616         * system.h: Revert last change.
4617
4618 2005-04-08  Richard Sandiford  <rsandifo@redhat.com>
4619
4620         * config/xtensa/xtensa.h (target_flags, MASK_NO_FUSED_MADD)
4621         (MASK_CONST16, TARGET_NO_FUSED_MADD, TARGET_CONST16)
4622         (TARGET_SWITCHES): Delete.
4623         * config/xtensa/xtensa.c (TARGET_DEFAULT_TARGET_FLAGS): Define.
4624         * config/xtensa/xtensa.md (muladdsf3, mulsubsf3): Check
4625         TARGET_FUSED_MADD instead of !TARGET_NO_FUSED_MADD.
4626         * config/xtensa/xtensa.opt: New file.
4627
4628 2005-04-08  Ben Elliston  <bje@au.ibm.com>
4629
4630         * config/fp-bit.c: Include L_mul_tf in #endif comment.
4631         * config/fp-bit.h: Tidy comments.
4632
4633 2005-04-07  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
4634
4635         * system.h: Poison PARAMS.
4636
4637 2005-04-07  Richard Sandiford  <rsandifo@redhat.com>
4638
4639         * config/vax/vax.h (target_flags, MASK_UNIX_ASM, MASK_VAXC_ALIGNMENT)
4640         (MASK_G_FLOAT, TARGET_UNIX_ASM, TARGET_VAXC_ALIGNMENT, TARGET_G_FLOAT)
4641         (TARGET_SWITCHES): Delete.
4642         * config/vax/vax.c (TARGET_DEFAULT_TARGET_FLAGS): Override default.
4643         * config/vax/vax.opt: New file.
4644
4645 2005-04-07  Daniel Berlin  <dberlin@dberlin.org>
4646
4647         * tree-ssa-dse.c (dse_optimize_stmt): Fix incorrect comment.
4648
4649 2005-04-07  Ian Lance Taylor  <ian@airs.com>
4650
4651         * config/iq2000/iq2000.h (DONT_ACCESS_GBLS_AFTER_EPILOGUE): Don't
4652         define.
4653         * config/mips/mips.h (DONT_ACCESS_GBLS_AFTER_EPILOGUE): Likewise.
4654         * config/sparc/sparc.h (DONT_ACCESS_GBLS_AFTER_EPILOGUE):
4655         Likewise.
4656
4657 2005-04-07  Kazu Hirata  <kazu@cs.umass.edu>
4658
4659         * tree-ssa-sink.c (nearest_common_dominator_of_uses): Consider
4660         all immediate uses in PHI nodes.
4661
4662 2005-04-07  Richard Earnshaw  <richard.earnshaw@arm.com>
4663
4664         * arm.c (arm_const_double_inline_cost): Handle any constant by
4665         using gen_lowpart and gen_highpart_mode.
4666         (note_invalid_constants): All constants in an RTX with a constraint
4667         that permits memory are now pushed to the constant pool.
4668         (output_move_double): Delete code to handle reg to reg and
4669         constant to reg moves.
4670         (const_double_needs_minipool, output_mov_immediate): Delete.
4671         * arm.h (EXTRA_CONSTRAINT_STR_ARM): All 'D' variants now handle
4672         CONST_INT and CONST_VECTOR.
4673         * arm.md (ANY64): New mode macro.
4674         (arm_movdi): Split reg-reg and const-reg moves.  Simplify constraints.
4675         (movdf_soft_insn): Split reg-reg and const-reg moves.
4676         (split patterns for 64-bit constant and register moves): New.
4677         * cirrus.md (cirrus_arm_movdi): Split reg-reg and const-reg moves.
4678         (cirrus_movdf_hard_insn): Likewise.
4679         * fpa.md (movdf_fpa): Likewise.
4680         * iwmmxt.md (iwmmxt_arm_movdi): Likewise.
4681         (movv8qi_internal, movv4hi_internal, movv2si_internal): Fix
4682         constraints.
4683         (movv2si_internal_2): Likewise.
4684         * vfp.md (arm_movdi_vfp): Split reg-reg and const-reg moves.
4685         (movdf_vfp): Likewise.
4686         * arm-protos.h (output_mov_immediate): Delete prototype.
4687
4688 2005-04-07  Joseph S. Myers  <joseph@codesourcery.com>
4689
4690         PR target/20093
4691         * simplify-rtx.c (simplify_unary_operation_1): Check
4692         SUBREG_PROMOTED_UNSIGNED_P (op) > 0 for zero-extension.
4693
4694 2005-04-06  James E Wilson  <wilson@specifixinc.com>
4695
4696         PR target/20717
4697         * cgraphunit.c (record_call_1, case FDESC_EXPR): Handle same as
4698         ADDR_EXPR.
4699
4700 2004-04-06  Richard Sandiford  <rsandifo@redhat.com>
4701
4702         * coverage.h (GCOV_TYPE_NODE): Delete.
4703         * coverage.c (coverage_counter_alloc, tree_coverage_counter_ref)
4704         (build_ctr_info_type): Use get_gcov_type () instead of GCOV_TYPE_NODE.
4705         * tree-profile.c (tree_gen_edge_profiler, tree_gen_interval_profiler)
4706         (tree_gen_pow2_profiler, tree_gen_one_value_profiler): Likewise.
4707         * value-prof.c (tree_divmod_fixed_value_transform): Delete.
4708
4709 2004-04-06  Richard Sandiford  <rsandifo@redhat.com>
4710
4711         PR other/20792
4712         * Makefile.in (gcc.pot): Remove options.c dependency.
4713         * optc-gen.awk: Don't quote help strings with N_().
4714
4715 2005-04-06  James A. Morrison  <phython@gcc.gnu.org>
4716
4717         * c-common.c (handle_malloc_atttribute): Only set DECL_IS_MALLOC if
4718         the function returns a pointer type.
4719
4720 2005-04-06  Daniel Berlin  <dberlin@dberlin.org>
4721
4722         * params.def (PARAM_SALIAS_MAX_IMPLICIT_FIELDS): New
4723         * params.h (SALIAS_MAX_IMPLICIT_FIELDS): New
4724         * doc/invoke.texi: Documnet salias-max-implicit-fields.
4725         * tree-ssa-alias.c (struct used_part): Add implicit_uses and
4726         explicit_uses members.
4727         (get_or_create_used_part_for): Initialize new fields.
4728         (fieldoff_compare): New function.
4729         (create_overlap_variables_for): Count number of fields, use
4730         heuristic to determine whether to create subvars for vars with
4731         only implicit uses.
4732         Sort the field list by offset and avoid creating duplicate SFT's.
4733
4734 2005-04-06  Richard Sandiford  <rsandifo@redhat.com>
4735
4736         * c.opt (-F): Remove trailing whitespace from help string.
4737         (-finput-charset): Use a tab to separate the switch name and help
4738         string.
4739         * common.opt (-fsched-stalled-insns, -fsched-stalled-insns-dep)
4740         (-ftree-vectorizer-verbose): Likewise.
4741
4742 2005-04-06  Kazu Hirata  <kazu@cs.umass.edu>
4743
4744         * tree-ssa-sink.c (nearest_common_dominator_of_uses): Look at
4745         a PHI argument where a use occurs instead of all PHI arguments.
4746
4747 2005-04-06  Joseph S. Myers  <joseph@codesourcery.com>
4748
4749         * c-decl.c (finish_decl): Apply pending #pragma weak regardless of
4750         scope.
4751
4752 2005-04-06  Kazu Hirata  <kazu@cs.umass.edu>
4753
4754         * cse.c, tree-flow-inline.h, tree-flow.h, tree-ssa-operands.c,
4755         tree-ssa-sink.c, tree.h, config/bfin/bfin.c,
4756         config/bfin/bfin.h: Fix comment typos.
4757
4758 2005-04-06  Ranjit Mathew  <rmathew@hotmail.com>
4759
4760         * doc/install.texi: Update the URL for Jacks.
4761         * doc/sourcebuild.texi: Likewise.
4762
4763 2005-04-06  Eric Botcazou  <ebotcazou@libertysurf.fr>
4764
4765         PR target/17245
4766         * config/sparc/sparc.c (legitimate_address_p): Remove 'imm2'.
4767         Revert 2004-10-08 patch.  Reject TFmode LO_SUM in 32-bit mode.
4768
4769 2005-04-06  Kelley Cook  <kcook@gcc.gnu.org>
4770
4771         * Makefile.in (LIBGCC2_CFLAGS): Revert -pipe change.
4772
4773 2005-04-06  Richard Sandiford  <rsandifo@redhat.com>
4774
4775         * config/v850/v850-protos.h (override_options): Delete.
4776         * config/v850/v850.h (target_flags, MASK_GHS, MASK_LONG_CALLS, MASK_EP)
4777         (MASK_PROLOG_FUNCTION, MASK_DEBUG, MASK_V850, MASK_V850E)
4778         (MASK_SMALL_SLD, MASK_BIG_SWITCH, MASK_NO_APP_REGS, MASK_DISABLE_CALLT)
4779         (MASK_STRICT_ALIGN, MASK_US_BIT_SET, MASK_US_MASK_SET, TARGET_GHS)
4780         (TARGET_LONG_CALLS, TARGET_EP, TARGET_PROLOG_FUNCTION, TARGET_V850)
4781         (TARGET_BIG_SWITCH, TARGET_DEBUG, TARGET_V850E, TARGET_US_BIT_SET)
4782         (TARGET_SMALL_SLD, TARGET_DISABLE_CALLT, TARGET_NO_APP_REGS)
4783         (TARGET_STRICT_ALIGN, TARGET_SWITCHES, TARGET_OPTIONS)
4784         (OVERRIDE_OPTIONS): Delete.
4785         (MASK_CPU): Redefine as MASK_V850 | MASK_V850E.
4786         (small_memory_info): Remove the value field.
4787         (CONDITIONAL_REGISTER_USAGE): Check !TARGET_APP_REGS rather than
4788         TARGET_NO_APP_REGS.
4789         * config/v850/v850.c (small_memory): Remove the value field.
4790         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
4791         (override_options): Delete.
4792         (v850_handle_memory_option, v850_handle_option): New functions.
4793         * config/v850/v850.opt: New file.
4794
4795 2005-04-06  Geoffrey Keating  <geoffk@apple.com>
4796
4797         * config.host: Add a section for generic hosts, and a subsection
4798         for Darwin.  Add a case for x86-darwin.  Update ppc-darwin case.
4799         * config/host-darwin.c: New, split out of config/rs6000/host-darwin.c.
4800         * config/host-darwin.h: New.
4801         * config/x-darwin: New.
4802         * config/i386/host-i386-darwin.c: New.
4803         * config/i386/x-darwin: New.
4804         * config/rs6000/host-darwin.c: Include host-darwin.h.
4805         (darwin_rs6000_gt_pch_get_address): Move to config/host-darwin.c.
4806         (darwin_rs6000_gt_pch_use_address): Likewise.
4807         * config/rs6000/x-darwin: Change name of .o built, update
4808         dependencies for changes to rs6000/host-darwin.c.
4809
4810 2005-04-06  Ralf Corsepius  <ralf.corsepius@rtems.org>
4811
4812         PR target/17824
4813         * config/c4x/c4x.h (ASM_PROG, LD_PROG): Remove.
4814
4815 2005-04-06  Dorit Naishlos  <dorit@il.ibm.com>
4816
4817         * tree-vect-analyze.c (vect_analyze_loop_form): Call
4818         split_loop_exit_edge instead of loop_split_edge_with.
4819
4820 2005-04-06  Paolo Bonzini  <bonzini@gnu.org>
4821
4822         * config/rs6000/altivec.md (UNSPEC_VSLW, UNSPEC_SUBS,
4823         UNSPEC_SET_VSCR): New constants, used throughout.
4824         (*andc3_v4sf): New.
4825         (altivec_vspltisb, altivec_vsplitish, altivec_vsplitisw):
4826         Replace with...
4827         (altivec_vspltis<VI_char>): ... this pattern, using
4828         a QImode const_int_operand for the immediate.
4829         (abs<mode>2, absv4sf2, altivec_abss_<mode>): Rewrite as
4830         define_expands.
4831
4832 2005-04-06  Ralf Corsepius  <ralf.corsepius@rtems.org>
4833
4834         PR target/17822
4835         * config/avr/t-avr (AR_FOR_TARGET,RANLIB_FOR_TARGET): Remove.
4836
4837 2005-04-06  Kelley Cook  <kcook@gcc.gnu.org>
4838
4839         * Makefile.in (LIBGCC2_CFLAGS): Compile with -pipe.
4840
4841 2005-04-06  Ben Elliston  <bje@au.ibm.com>
4842
4843         * gcc.c: Correct comment about DEFAULT_SWITCH_TAKES_ARG and
4844         DEFAULT_WORD_SWITCH_TAKES_ARG which incorrectly reported these
4845         macros as living in "this file" and not gcc.h.
4846
4847 2005-04-06  Ben Elliston  <bje@au.ibm.com>
4848
4849         * doc/invoke.texi (Optimize Options): Mention -ftree-lrs, not
4850         -ftree-live_range_split.  Perhaps renamed at some point?
4851
4852 2005-04-06  Zdenek Dvorak  <dvorakz@suse.cz>
4853
4854         PR target/20625
4855         * tree-ssa-loop-ivopts.c (generic_type_for): New function.
4856         (add_candidate_1): Use generic_type_for instead of unsigned_type_for.
4857
4858 2005-04-06  Zdenek Dvorak  <dvorakz@suse.cz>
4859
4860         * tree-flow.h (number_of_iterations_cond): Declaration removed.
4861         * tree-ssa-loop-niter.c (number_of_iterations_cond): Made static.
4862         (number_of_iterations_special): New function.
4863         (number_of_iterations_exit): Use number_of_iterations_special.
4864         Use simplify_using_outer_evolutions only at -O3.
4865         (number_of_iterations_cond, tree_simplify_using_condition,
4866         simplify_using_initial_conditions, loop_niter_by_eval,
4867         compare_trees, can_count_iv_in_wider_type_bound,
4868         simplify_using_outer_evolutions): Use fold_build.
4869
4870 2005-04-05  Thomas Fitzsimmons  <fitzsim@redhat.com>
4871
4872         * doc/install.texi (Configuration): Document --with-java-home.
4873
4874 2005-04-05  Richard Henderson  <rth@redhat.com>
4875
4876         PR target/20342
4877         PR target/20447
4878         * config/i386/i386.c (print_operand): Handle vector zeros.
4879         (ix86_split_to_parts): Handle CONST_VECTOR.
4880         (ix86_hard_regno_mode_ok): Allow MMX modes in general regs.
4881         (ix86_modes_tieable_p): Use ix86_hard_regno_mode_ok to decide
4882         what modes to tie for MMX and SSE registers.
4883         * config/i386/i386.h (MMX_REG_MODE_P): Remove.
4884         * config/i386/i386.md: Extend move 0 -> xor peephole to apply
4885         to vector modes as well.
4886         * config/i386/predicates.md (const0_operand): Handle VOIDmode
4887         properly as an input mode.
4888
4889 2005-04-05  Andrew MacLeod  <amacleod@redhat.com>
4890
4891         * tree-ssa-operands.c (verify_abort): Use %p for pointers.
4892
4893 2005-04-05  Andrew MacLeod  <amacleod@redhat.com>
4894
4895         * tree-pretty-print.c (dump_generic_node): Use %p for pointer.
4896
4897 2005-04-05  Jakub Jelinek  <jakub@redhat.com>
4898
4899         * config/i386/i386.c (init_cumulative_args): For -m32 -mfpmath=sse
4900         and local functions, set sse_nregs to 8 and float_in_sse.
4901         (function_arg_advance, function_arg): If float_in_sse, pass
4902         SFmode and DFmode arguments in SSE registers.
4903         * config/i386/i386.h (CUMULATIVE_ARGS): Add float_in_sse field.
4904
4905         * config/i386/i386.c (ix86_value_regno): Only optimize local functions
4906         of -funit-at-a-time.
4907
4908 2005-04-05  Paolo Bonzini  <bonzini@gnu.org>
4909
4910         * config/i386/i386-protos.h (ix86_function_value): Accept two
4911         arguments, like the target macro.
4912         * config/i386/i386.h (FUNCTION_VALUE): Pass both arguments.
4913         * config/i386/i386.c (ix86_function_value): Accept the second
4914         argument of the target macro.
4915         (ix86_function_ok_for_sibcall): Pass a function pointer to
4916         ix86_function_value.
4917         (ix86_function_value, ix86_libcall_value) [!TARGET_64BIT]: Adjust
4918         call to ix86_value_regno).
4919         (ix86_value_regno): Add support for returning floating point values
4920         in SSE registers.
4921
4922 2005-04-05  Jakub Jelinek  <jakub@redhat.com>
4923
4924         PR tree-optimization/20076
4925         * tree-inline.c (inline_forbidden_p_1): Prevent inlining functions
4926         that call __builtin_return or __builtin_apply_args.
4927
4928 2005-04-05  Andrew MacLeod  <amacleod@redhat.com>
4929
4930         * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use update_stmt.
4931         Use immediate use iterator.
4932         (stmt_is_bumper_for_loop): Use immediate use iterator.
4933         * predict.c (strip_builtin_expect): Use update_stmt.
4934         * tree-cfg.c (update_modified_stmts): New. Call update_stmt_if_modified
4935         on all elements of a STATEMENT_LIST.
4936         (bsi_insert_before, bsi_insert_after): Call update_modified_stmts.
4937         (bsi_remove): Remove imm_use links and mark the stmt as modified.
4938         (bsi_replace): Mark stmt as modified and the update it.
4939         * tree-complex.c (update_complex_assignment): Call mark_stmt_modified.
4940         (expand_complex_libcal): Call update_stmt.
4941         (expand_complex_comparison): Call mark_stmt_modified.
4942         (expand_complex_operations_1): Call update_stmt_if_modified.
4943         (expand_vector_operations_1): Call mark_stmt_modified.
4944         * tree-dfa.c (compute_immediate_uses, free_df_for_stmt, free_df,
4945         compute_immediate_uses_for_phi, compute_immediate_uses_for_stmt,
4946         add_immediate_use, redirect_immediate_use,
4947         redirect_immediate_uses, dump_immediate_uses, debug_immediate_uses,
4948         dump_immediate_uses_for, debug_immediate_uses_for): Delete.
4949         (mark_new_vars_to_rename): Call update_stmt.
4950         * tree-dump.c (dump_option_value_in): Add "stmtaddr".
4951         * tree-flow-inline.h (modify_stmt): Rename to mark_stmt_modified.
4952         Ignore PHI nodes.
4953         (unmodify_stmt): Delete.
4954         (update_stmt): New.  Force an update of a stmt.
4955         (update_stmt_if_modified): update a stmt if it is out of date.
4956         (get_stmt_operands): Verify stmt is NOT modified.
4957         (stmt_modified_p): Update comment.
4958         (delink_imm_use): Remove a use node from its immuse list.
4959         (link_imm_use_to_list): Link a use node to a specific list.
4960         (link_imm_use): Link a node to the correct list.
4961         (set_ssa_use_from_ptr): Set a use node to a specific value, and insert
4962         it in the correct list, if appropriate.
4963         (link_imm_use_stmt): Link a use node, and set the stmt pointer.
4964         (relink_imm_use): Link a use node in place of another node in a list.
4965         (relink_imm_use_stmt): LInk a node in place of another node, and set
4966         the stmt pointer.
4967         (end_safe_imm_use_traverse): New.  Terminate a safe immuse iterator.
4968         (end_safe_imm_use_p): New.  Check for the end of a safe immuse iterator.
4969         (first_safe_imm_use): New.  Initialize a safe immuse iterator.
4970         (next_safe_imm_use): New.  Proceed to next safe immuse iterator value.
4971         (end_readonly_imm_use_p): New.  Check for end of a fast immuse iterator.
4972         (first_readonly_imm_use): New.  Initialize a fast immuse iterator.
4973         (next_readonly_imm_use): New.  Get the next fast immuse iterator value.
4974         (has_zero_uses): New.  Return true if there are no uses of a var.
4975         (has_single_use): New.  Return true if there is only a single use of a
4976         variable.
4977         (single_imm_use): New.  Return the simgle immediate use.
4978         (num_imm_uses): New.  Return the number of immediate uses.
4979         (get_v_must_def_ops): Use is now a pointer.
4980         (use_operand_p, get_v_may_def_op_ptr, get_vuse_op_ptr,
4981         get_v_must_def_kill_ptr, get_phi_arg_def_ptr): Return the address of
4982         the use node.
4983         (get_immediate_uses, num_immediate_uses, immediate_use): Delete.
4984         (delink_stmt_imm_use): Delink all immuses from a stmt.
4985         (phi_arg_index_from_use): New.  Return a phi arg index for a use.
4986         * tree-flow.h (struct dataflow_d): Delete.
4987         (immediate_use_iterator_d): New.  Immediate use iterator struct.
4988         (FOR_EACH_IMM_USE_FAST): New.  Macro for read only immuse iteration.
4989         (FOR_EACH_IMM_USE_SAFE): New.  Macro for write-safe immuse iteration.
4990         (BREAK_FROM_SAFE_IMM_USE): New.  Macro for earlyu exit from write-safe
4991         iteration.
4992         (struct stmt_ann_d): Remove dataflow_t from struct.
4993         * tree-if-conv.c (tree_if_conversion).  Don't call free_df.
4994         (if_convertible_phi_p): Use FAST immuse iterator.
4995         (if_convertible_loop_p): Don't call compute_immediate_uses.
4996         (replace_phi_with_cond_modify_expr): Call update_stmt.
4997         * tree-into-ssa.c (mark_def_sites, ssa_mark_def_sites): Call
4998         update_stmt_if_modified.
4999         (rewrite_all_into_ssa): Initialize ssa operands.
5000         * tree-loop-linear.c (linear_transform_loops): Don't call free_df or
5001         compute_immediate_uses.
5002         * tree-optimize.c (execute_todo): Call verify_ssa whenever the
5003         ssa_property is available.
5004         (execute_one_pass):  Change parameters passed to execute_todo.
5005         * tree-outof-ssa.c (rewrite_trees): Don't call modify_stmt.
5006         (remove_ssa_form): Call fini_ssa_operands.
5007         (insert_backedge_copies): Delete call to modify_stmt.
5008         * tree-phinodes.c (make_phi_node): Initialize use nodes.
5009         (release_phi_node): Delink any use nodes before releasing.
5010         (resize_phi_node): Relink any use nodes.
5011         (remove_phi_arg_num): Delink the use node.
5012         (remove_phi_node): Release the ssa_name AFTER releasing the phi node.
5013         (remove_all_phi_nodes_for): Release phi node first.
5014         * tree-pretty-print.c (dump_generic_node): Print stmt address.
5015         * tree-sra.c (mark_all_v_defs): Call update_stmt_if_modified.
5016         (scalarize_use, scalarize_copy): Call update_stmt.
5017         * tree-ssa-alias.c (compute_may_aliases): Update all modified stmts.
5018         (compute_points_to_and_addr_escape): Call mark_stmt_modified.
5019         * tree-ssa-cpp.c (need_imm_uses_for): Delete.
5020         (ccp_initialize): Remove call to compute_immediate_uses.
5021         (substitute_and_fold, execute_fold_all_builtins): Call update_stmt.
5022         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Update all modified
5023         stmts.
5024         (simplify_cond_and_lookup_avail_expr): Call mark_stmt_modified.
5025         (simplify_switch_and_lookup_avail_expr): Call mark_stmt_modified.
5026         (eliminate_redundant_computations): Call mark_stmt_modified.
5027         (cprop_operand): Call mark_stmt_modified.
5028         (optimize_stmt): Call update_stmt_if_modified and mark_stmt_modified.
5029         * tree-ssa-dse.c (fix_phi_uses, fix_stmt_v_may_defs): Delete.
5030         (dse_optimize_stmt): Use new immuse interface.
5031         (tree_ssa_dse): Remove calls to compute_immediate_uses and free_df.
5032         * tree-ssa-forwprop.c (need_imm_uses_for): Delete.
5033         (substitute_single_use_vars): Use new immuse interface.
5034         (tree_ssa_forward_propagate_single_use_vars): Remove calls to free_df
5035         and compute_immediate_uses.
5036         * tree-ssa-loop-im.c (single_reachable_address): Use new immuse
5037         interface.
5038         (rewrite_mem_refs): Call update_stmt.
5039         (determine_lsm): Remove call to compute_imm_uses and free_df.
5040         * tree-ssa-loop-ivcanon.c (create_canonical_iv): Call update_stmt.
5041         (try_unroll_loop_completely): Call update_stmt.
5042         * tree-ssa-loop-ivopts.c (rewrite_address_base): Call update_stmt.
5043         (rewrite_use_compare): Call update_stmt.
5044         (compute_phi_arg_on_exit): Insert each stmt before trying to process.
5045         (rewrite_use) : Call update_stmt.
5046         * tree-ssa-loop-manip.c (verify_loop_closed_ssa): Add arg to call.
5047         * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Call
5048         update_stmt.
5049         * tree-ssa-operands.c (NULL_USE_OPERAND_P): Remove declaration.
5050         (allocate_use_optype, allocate_vuse_optype): Adjust allocation size.
5051         (free_uses, free_vuses, free_v_may_defs, free_v_must_defs): Delink
5052         use nodes.
5053         (initialize_vuse_operand): New.  Initialize a vuse operand.
5054         (initialize_v_may_def_operand): New.  Initialize a maydef operand.
5055         (initialize_v_must_def_operand): New.  Initialize a mustdef operand.
5056         (finalize_ssa_defs): Use stmt parameter.
5057         (correct_use_link): Ensure a use node is in the correct list, and has
5058         the correct stmt pointer.
5059         (finalize_ssa_uses, finalize_ssa_v_may_defs, finalize_ssa_vuses,
5060         finalize_ssa_v_must_defs): Also initialize use nodes.
5061         (finalize_ssa_stmt_operands): Pass extra stmt operands.
5062         (build_ssa_operands): Seperate parsing from final operand construction.
5063         (parse_ssa_operands): New.  Parse entry point for operand building.
5064         (swap_tree_operands): New.  Swap 2 tree operands.
5065         (update_stmt_operands): Ranamed from get_stmt_operands.  Always builds
5066         operands.
5067         (get_expr_operands): Call swap_tree_operands when needed.
5068         (copy_virtual_operands): Use initialize routines for virtual use ops.
5069         (create_ssa_artficial_load_stmt): Add extra stmt parameter.
5070         (verify_abort): New.  Issue imm_use error.
5071         (verify_imm_links): New Verify imm_use links for a var.
5072         (dump_immediate_uses_for): New.  Dump imm_uses for a var to file.
5073         (dump_immediate_uses): New.  Dump imm_uses for all vars to file.
5074         (debug_immediate_uses): New.  Dump imm_uses for all vars to stderr.
5075         (debug_immediate_uses_for): New.  Dump imm_uses for a var to stderr.
5076         * tree-ssa-operands.h (struct use_operand_ptr): Delete.
5077         (NULL_USE_OPERAND_P) Define.
5078         (use_optype_d, v_def_use_operand_type, vuse_optype_d): Add immediate
5079         use node.
5080         (struct vuse_operand_type): New struct.
5081         (SET_USE): Call set_ssa_use_from_ptr.
5082         (USE_STMT): Define.
5083         (PHI_ARG_INDEX_FROM_USE): Define.
5084         * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Set the phi
5085         argument via SET_USE, not PHI_ARG_DEF_TREE.
5086         * tree-ssa-pre.c (eliminate): Call update_stmt.
5087         * tree-ssa-propagate.c (cfg_blocks_get): Use imm_use iterators.  Don't
5088         call free_df.
5089         * tree-ssa-sink.c (all_immediate_uses_same_place): Use imm_use iterator.
5090         (nearest_common_dominator_of_uses): Use imm_use iterator.
5091         (statement_sink_location): Use imm_use iterator and interface.
5092         (execute_sink_code): Don't call compute_immediate_uses or free-df.
5093         * tree-ssa-threadupdate.c (create_edge_and_update_destination_phis): Use
5094         PHI_ARG_DEF, not PHI_ARG_DEF_TREE.
5095         * tree-ssa.c (verify_use, verify_phi_args): Verify some imm_use info.
5096         (verify_ssa): Ensure no stmt is marked modify after optimization pass
5097         if new parameter is true.
5098         (init_tree_ssa): Don't initialize operand cache here.
5099         (delete_tree_ssa): Don't destroy operand cache here.
5100         (propagate_into_addr): Pass in a use pointer, return true if anything
5101         was changed.
5102         (replace_immediate_uses): Use imm_use iterator, call update_stmt.
5103         (check_phi_redundancy): Use imm_use iterator.
5104         (kill_redundant_phi_nodes): Don't call compute_immediate_uses or
5105         free_df.
5106         * tree-ssanames.c (make_ssa_name): Initialize imm_use node.
5107         (release_ssa_name): Delink node and all elements in its imm_use list.
5108         * tree-tailcall.c (adjust_return_value): Call update_stmt.
5109         * tree-vect-analyze.c (vect_stmt_relevant_p): Use imm_use iterator.
5110         * tree-vectorizer.c (need_imm_uses_for): Delete.
5111         (vectorize_loops): Dont call compute_immediate_uses or free_df.
5112         * tree.h (struct ssa_imm_use_d): Define.
5113         (SSA_NAME_IMM_USE_NODE): Define.
5114         (struct tree_ssa_name): Add imm_use node.
5115         (PHI_DF): Delete.
5116         (PHI_ARG_IMM_USE_NODE): Define.
5117         (struct phi_arg_d): Add imm_use node.
5118         (struct tree_phi_node): Remove struct dataflow_d element.
5119         (TDF_STMTADDR): Define.
5120
5121 2005-04-05  Dale Johannesen  <dalej@apple.com>
5122
5123         * doc/invoke.texi (Optimization Options):  Remove
5124         duplicate -fcse-follow-jumps.  Add -fweb.
5125         (-ftree-lim):  Fix spelling (-ftree-loop-im, invariants).
5126         (-fivcanon):  Fix spelling (-ftree-loop-ivcanon).
5127
5128 2005-04-05  Per Bothner  <per@bothner.com>
5129
5130         * tree-ssa.c (execute_early_warn_uninitialized): Pass context node
5131         to talk_tree as 'data' parameter, rather than EXPR_LOCUS.
5132         (warn_uninit): Get EXPR_LOCUS from context now instead.
5133         This fixes a USE_MAPPED_LOCATION testsuite failure.
5134
5135         * tree-ssa.c (warn_uninitialized_var): Remove useless local.
5136
5137 2005-04-05  Per Bothner  <per@bothner.com>
5138
5139         * c-decl.c (finish_function): If USE_MAPPED_LOCATION set the location
5140         of the artification 'return 0' in main() to BUILTINS_LOCATION.
5141         * tree-cfg.c (remove_bb): Check that location isn't BUILTINS_LOCATION
5142         before warning.
5143
5144 2004-04-05  Devang Patel  <dpatel@apple.com>
5145
5146         * config/rs600/altivec.md (altivec_vsr<VI_char>): Rename to ..
5147         (lhsr<mode>3): ... new name.
5148         (altivec_vsra<VI_char>): Rename to ..
5149         (ashr<mode>3): ... new name.
5150         * config/rs6000/rs6000.c (builtin_description): Rename shift
5151         operations.
5152
5153 2004-04-05  Paolo Bonzini  <bonzini@gnu.org>
5154
5155         * combine.c (RTL_HOOKS_GEN_LOWPART_NO_EMIT): Use
5156         gen_lowpart_for_combine.
5157         * cse.c (gen_lowpart_if_possible): Move...
5158         * rtlhooks.c (gen_lowpart_if_possible): ... here.  Also try
5159         gen_lowpart_SUBREG.
5160         (gen_lowpart_no_emit_general): Use it.
5161
5162 2005-04-05  Eric Botcazou  <ebotcazou@libertysurf.fr>
5163
5164         * config/sparc/sparc.c (TARGET_ASM_FILE_END): Undefine before
5165         overriding.
5166
5167 2005-04-05  Paolo Bonzini  <bonzini@gnu.org>
5168
5169         * system.h: Fix typo.
5170
5171 2005-04-05  Bernd Schmidt  <bernd.schmidt@analog.com>
5172
5173         * config/bfin/bfin-modes.def: New file.
5174         * config/bfin/bfin-protos.h: New file.
5175         * config/bfin/bfin.c: New file.
5176         * config/bfin/bfin.h: New file.
5177         * config/bfin/bfin.md: New file.
5178         * config/bfin/bfin.opt: New file.
5179         * config/bfin/crti.s: New file.
5180         * config/bfin/crtn.s: New file.
5181         * config/bfin/elf.h: New file.
5182         * config/bfin/lib1funcs.asm: New file.
5183         * config/bfin/predicates.md: New file.
5184         * config/bfin/t-bfin: New file.
5185         * config/bfin/t-bfin-elf: New file.
5186         * doc/extend.texi (exception_handler, kspisusp, nesting, nmi_handler):
5187         Document new attributes.
5188         (interrupt, interrupt_handler, saveall): Update documentation for
5189         these attributes.
5190         * doc/install.texi (Specific): Add entry for the Blackfin.
5191         * doc/invoke.texi (Blackfin Options): New section.
5192         * doc/md.texi (Blackfin family): New section to document constraints.
5193         * config.gcc: Add bfin*-* and bfin*-elf configurations.
5194
5195 2005-04-05  Olivier Hainque  <hainque@adacore.com>
5196
5197         * config/mips/iris6.h (DWARF_FRAME_RETURN_COLUMN): Redefine to
5198         match what the system unwinder expects.
5199         * config/mips/mips.c (mips_frame_set): If we're saving the return
5200         address register and the dwarf return address column number differs
5201         from the hard register number, adjust the note reg to refer to the
5202         former.
5203
5204 2004-04-05  Richard Sandiford  <rsandifo@redhat.com>
5205
5206         * config/mn10300/mn10300-protos.h (mn10300_override_options): Declare.
5207         * config/mn10300/mn10300.h (target_flags, TARGET_MULT_BUG)
5208         (TARGET_SWITCHES, TARGET_DEFAULT): Delete.
5209         (processor_type): New enum.
5210         (mn10300_processor): New variable.
5211         (TARGET_AM33, TARGET_AM33_2): Redefine in terms of mn10300_processor.
5212         (PROCESSOR_DEFAULT, OVERRIDE_OPTIONS): New macros.
5213         * config/mn10300/linux.h (TARGET_SWITCHES, TARGET_DEFAULT): Delete.
5214         (PROCESSOR_DEFAULT): New macro.
5215         * config/mn10300/mn10300.c (mn10300_processor): New variable.
5216         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
5217         (mn10300_handle_option, mn10300_override_options): New functions.
5218         * config/mn10300/mn10300.opt: New file.
5219
5220 2005-04-05  Eric Botcazou  <ebotcazou@libertysurf.fr>
5221             Sebastian Pop <sebastian.pop@cri.ensmp.fr>
5222
5223         PR tree-optimization/19903
5224         * tree-chrec.c (chrec_convert): Return chrec_dont_know for constants
5225         that don't fit in their type after conversion.
5226
5227 2005-04-05  Uros Bizjak <uros@kss-loka.si>
5228
5229         PR target/20421
5230         * config/i386/i386.md (frndintxf2_floor, frndintxf2_ceil)
5231         (frndintxf2_trunc, frndintxf2_mask_pm): Add FLAGS_REG clobber.
5232         Allocate local stack slots here.  Set ix86_optimize_mode_switching.
5233         flag here. Implement using define_insn_and_split.
5234         (frndintxf2_floor_i387, frndintxf2_ceil_i387, frndintxf2_trunc_i387)
5235         (frndintxf2_mask_pm_i387): New insn patterns.
5236         (floorsf2, floordf2, floorxf2): Remove local stack slot allocations.
5237         Do not set ix86_optimize_mode_switching flag.
5238         (ceilsf2, ceildf2, ceilxf2): Same.
5239         (btruncsf2, btruncdf2, btruncxf2): Same.
5240         (nearbyintsf2, nearbyintdf2, nearbyintxf2): Same.
5241
5242 2005-04-05  Ian Lance Taylor  <ian@airs.com>
5243
5244         PR debug/9963
5245         * config/i386/cygming.h (ASM_OUTPUT_EXTERNAL): Pass DECL to
5246         i386_pe_record_external_function.
5247         (i386_pe_record_external_function): Update declaration.
5248         * config/i386/winnt.c (struct extern_list): Add decl field.
5249         (i386_pe_record_external_function): Add decl parameter.
5250         (i386_pe_file_end): Check TREE_ASM_WRITTEN on decl, not
5251         identifier.
5252         * config/i386/i386-protos.h (i386_pe_record_external_function):
5253         Update declaration.
5254
5255 2005-04-05  Kazu Hirata  <kazu@cs.umass.edu>
5256
5257         * config/m68k/m68k-protos.h: Add a prototype for
5258         valid_dbcc_comparison_p_2.
5259         * config/m68k/m68k.c (not_sp_operand, symbolic_operand,
5260         extend_operator, const_uint32_operand, const_sint32_operand,
5261         general_src_operand, nonimmediate_src_operand,
5262         memory_src_operand, post_inc_operand, pre_dec_operand,
5263         pcrel_address): Move to predicates to predicates.md.
5264         * config/m68k/m68k.h (PREDICATE_CODES): Remove.
5265         * config/m68k/m68k.md: Include predicates.md.
5266         * config/m68k/predicates.md: New.
5267
5268 2005-04-04  Roger Sayle  <roger@eyesopen.com>
5269
5270         * config/i386/i386.md (*truncdfsf2_i387_1): New pattern.
5271
5272         * fold-const.c (maybe_lvalue_p): Delete orphaned comment.
5273
5274 2005-04-04  Ian Lance Taylor  <ian@airs.com>
5275
5276         * c-typeck.c (struct c_switch): Rename switch_stmt field to
5277         switch_expr.
5278         (c_start_case): Build SWITCH_EXPR, not SWITCH_STMT.
5279         (do_case): Use SWITCH_COND rather than SWITCH_STMT_COND.
5280         (c_finish_case): Use SWITCH_BODY rather than SWITCH_STMT_BODY.
5281         Call c_do_switch_expr_warnings rather than c_do_switch_warnings.
5282         * c-common.c (c_do_switch_warnings_1): New static function broken
5283         out of c_do_switch_warnings.
5284         (c_do_switch_warnings): Call c_do_switch_warnings_1.
5285         (c_do_switch_expr_warnings): New function.
5286         * c-common.h (c_do_switch_expr_warnings): Declare.
5287
5288 2005-04-04  David Edelsohn  <edelsohn@gnu.org>
5289             Daniel Jacobowitz  <dan@codesourcery.com>
5290
5291         * tree-eh.c (tree_could_trap_p): Allow non-constant floating point
5292         trapping divide.
5293         * rtlanal.c (may_trap_p): Same.
5294
5295 2005-04-04  Dale Johannesen  <dalej@apple.com>
5296
5297         * ChangeLog:  remove reference to ChangeLog.12.
5298
5299 2005-04-05  Hans-Peter Nilsson  <hp@axis.com>
5300
5301         CRIS epilogue as RTL.
5302         * config/cris/cris.md: Change all 0 in unspec 0 to
5303         CRIS_UNSPEC_PLT.
5304         (CRIS_UNSPEC_PLT, CRIS_UNSPEC_FRAME_DEALLOC): New constants.
5305         ("*cris_load_multiple", "cris_frame_deallocated_barrier"): New
5306         patterns.
5307         ("return"): Change to define_expand.  Call cris_expand_return for
5308         actual expansion.
5309         ("*return_expanded"): New pattern.
5310         ("epilogue"): New define_expand.
5311         * config/cris/cris.h (PREDICATE_CODES): Add
5312         cris_load_multiple_op.
5313         * config/cris/cris.c (ASSERT_PLT_UNSPEC): Correct test for unspec
5314         type.
5315         (enum cris_retinsn_type): New.
5316         (struct machine_function): New member return_type.
5317         (TARGET_ASM_FUNCTION_EPILOGUE): Don't override.
5318         (cris_target_asm_function_epilogue): Remove, moving RTLified
5319         contents to...
5320         (cris_expand_epilogue): New function.
5321         (cris_reg_saved_in_regsave_area, cris_movem_load_rest_p,
5322         (cris_gen_movem_load, cris_load_multiple_op)
5323         (cris_return_address_on_stack_for_return, cris_expand_return): New
5324         functions.
5325         (cris_target_asm_function_prologue)
5326         (cris_initial_frame_pointer_offset): Call
5327         cris_reg_saved_in_regsave_area instead of complicated expression.
5328         Call cris_return_address_on_stack instead of an expression.
5329         (cris_print_operand) <case 'o', case 'O'>: New cases.
5330         (cris_return_address_on_stack): Change return-type to bool.
5331         (cris_simple_epilogue): Ditto.  Return false if registers are
5332         saved.
5333         * config/cris/cris-protos.h (cris_simple_epilogue)
5334         (cris_return_address_on_stack): Adjust prototype return type.
5335         (cris_gen_movem_load, cris_expand_epilogue, cris_expand_return)
5336         (cris_return_address_on_stack_for_return): New prototypes.
5337
5338 2005-04-04  Kazu Hirata  <kazu@cs.umass.edu>
5339
5340         * config/frv/frv.h (PREDICATE_CODES): Add CONST to
5341         gpr_or_int12_operand.
5342
5343         * config/frv/frv-protos.h: Add a prototype to
5344         frv_legitimate_memory_operand and frv_const_unspec_p.
5345         (frv_unspec): Move from frv.c.
5346         * config/frv/frv.c (frv_unspec): Move to frv-protos.h.
5347         (frv_const_unspec_p, frv_legitimate_memory_operand_): Export.
5348         (ldd_address_operand, fdpic_fptr_operand, frv_load_operand,
5349         gpr_or_fpr_operand, gpr_or_int12_operand,
5350         gpr_fpr_or_int12_operand, fpr_or_int6_operand,
5351         gpr_or_int10_operand, gpr_or_int_operand, int12_operand,
5352         int6_operand, int5_operand, uint5_operand, uint4_operand,
5353         uint1_operand, int_2word_operand, uint16_operand,
5354         upper_int16_operand, integer_register_operand,
5355         gpr_no_subreg_operand, fpr_operand, even_reg_operand,
5356         odd_reg_operand, even_gpr_operand, odd_gpr_operand,
5357         quad_fpr_operand, even_fpr_operand, odd_fpr_operand,
5358         dbl_memory_one_insn_operand, dbl_memory_two_insn_operand,
5359         move_destination_operand, movcc_fp_destination_operand,
5360         frv_function_symbol_referenced_p, move_source_operand,
5361         condexec_dest_operand, condexec_source_operand,
5362         reg_or_0_operand, lr_operand, fdpic_operand, got12_operand,
5363         const_unspec_operand, gpr_or_memory_operand,
5364         gpr_or_memory_operand_with_scratch, fpr_or_memory_operand,
5365         icc_operand, fcc_operand, cc_operand, icr_operand,
5366         fcr_operand, cr_operand, call_operand, sibcall_operand,
5367         symbolic_operand, relational_operator,
5368         integer_relational_operator, float_relational_operator,
5369         ccr_eqne_operator, minmax_operator,
5370         condexec_si_binary_operator, condexec_si_media_operator,
5371         condexec_si_divide_operator, condexec_si_unary_operator,
5372         condexec_sf_conv_operator, condexec_sf_add_operator,
5373         condexec_memory_operand, intop_compare_operator, acc_operand,
5374         even_acc_operand, quad_acc_operand, accg_operand: Move to
5375         predicates.md.
5376         * config/frv/frv.h (PREDICATE_CODES): Remove.
5377         * config/frv/frv.md: Include predicates.md.
5378         * config/frv/predicates.md: New.
5379
5380 2004-04-04  Richard Sandiford  <rsandifo@redhat.com>
5381
5382         PR target/19537
5383         * Makefile.in (tree-ssa-loop-ivopts.o): Depend on langhooks.h.
5384         * tree-ssa-loop-ivopts.c: Include langhooks.h.
5385         (add_standard_iv_candidates_for_size): New function, extracting code
5386         from add_standard_iv_candidates and parameterizing it by type size.
5387         (add_standard_iv_candidates): Use add_standard_iv_candidates_for_size.
5388
5389 2004-04-04  Richard Sandiford  <rsandifo@redhat.com>
5390
5391         * system.h (GCOV_SIZE_TYPE): Unposion.
5392         * gcov-io.h (GCOV_TYPE_NODE): Delete, replacing with...
5393         (GCOV_TYPE_SIZE): ...this new macro.
5394         * coverage.h (get_gcov_type, GCOV_TYPE_NODE): Declare.
5395         * coverage.c (get_gcov_type, get_gcov_unsigned_t): New functions.
5396         (rtl_coverage_counter_ref): Use GCOV_TYPE_SIZE.
5397         (build_fn_info_type, build_fn_info_value, build_ctr_info_type)
5398         (build_ctr_info_value, build_gcov_info): Use get_gcov_unsigned_t
5399         instead of unsigned_intSI_type_node.
5400         * rtl-profile.c (rtl_gen_interval_profiler, rtl_gen_pow2_profiler)
5401         (rtl_gen_one_value_profiler_no_edge_manipulation)
5402         (rtl_gen_const_delta_profiler): Use GCOV_TYPE_SIZE.
5403         * value-prof.c: Include coverage.h.
5404
5405 2005-04-02  Daniel Berlin  <dberlin@dberlin.org>
5406             Diego Novillo <dnovillo@redhat.com>
5407
5408         Fix PR tree-optimization/20703
5409         Fix PR tree-optimization/20725
5410
5411         * tree-ssa-pre.c (phi_translate): Handle tcc_comparison.
5412         (create_expression_by_pieces): Ditto.
5413         (valid_in_set): Ditto. Also handle tcc_declaration.
5414         (find_or_generate_expression): Handle comparison class.
5415         (insert_into_preds_of_block): Ditto.
5416         (insert_aux): Ditto.
5417         (create_value_expr_from): Handle comparison class, recursively
5418         handle reference nodes.
5419         (compute_avail): Handle comparison classes, rewrite a little cleaner.
5420         (execute_pre): Fix spacing.
5421         (do_fre): Renamed to execute_fre.
5422
5423 2005-04-04  Eric Botcazou  <ebotcazou@libertysurf.fr>
5424
5425         * doc/invoke.texi (SPARC options): Document that
5426         -mlittle-endian is not supported on Linux either.
5427
5428 2005-04-04  Eric Botcazou  <ebotcazou@libertysurf.fr>
5429
5430         PR target/4198
5431         PR target/12027
5432         * config.gcc (Obsolete configurations): Remove
5433         sparclite-*-coff*, sparclite-*-elf* and sparc86x-*-elf*.
5434         (sparclite-*-coff*): Delete.
5435         (sparclite-*-elf*): Likewise.
5436         (sparc86x-*-elf*): Likewise.
5437         (target_cpu_default) <sparc*-*-*>: Remove sparc86x.
5438         * config/sparc/lite.h: Delete.
5439         * config/sparc/litecoff.h: Likewise.
5440         * config/sparc/liteelf.h: Likewise.
5441         * config/sparc/sp86x-elf.h: Likewise.
5442         * config/sparc/t-sparclite: Likewise.
5443         * config/sparc/t-sp86x: Likewise.
5444
5445 2005-04-04  Adrian Straetling  <straetling@de.ibm.com>
5446
5447         * config/s390/s390-protos.h: (s390_comparison,
5448         s390_alc_comparison, s390_slb_comparison, const0_operand,
5449         consttable_operand, larl_operand, s_operand,
5450         shift_count_operand, bras_sym_operand, load_multiple_operation,
5451         store_multiple_operation, s390_plus_operand): Remove prototypes.
5452         (s390_legitimate_address_without_index_p): New prototype.
5453         * config/s390/s390.c: (SYMBOL_FLAG_ALIGN1, DISP_IN_RANGE): Move
5454         to s390.h.
5455         (s390_comparison, s390_alc_comparison, s390_slb_comparison,
5456         const0_operand, consttable_operand, larl_operand, s_operand,
5457         shift_count_operand, bras_sym_operand, load_multiple_operation,
5458         store_multiple_operation, s390_plus_operand): Move to
5459         predicates.md.
5460         (check_mode): Remove.
5461         (s390_branch_condition_mask): Remove 'static'. Move prototype to
5462         s390-protos.h.
5463         (s390_legitimate_address_without_index_p): New.
5464         * config/s390/s390.h (PREDICATE_CODES): Remove.
5465         * config/s390/s390.md: Include predicates.md.
5466         * config/s390/predicates.md: New.
5467
5468 2005-04-04  Eric Botcazou  <ebotcazou@libertysurf.fr>
5469
5470         PR target/20446
5471         * config/sparc/sparc.h (NEED_INDICATE_EXEC_STACK): Define to 0.
5472         * config/sparc/linux.h (TARGET_ASM_FILE_END): Delete.
5473         (NEED_INDICATE_EXEC_STACK): Define to 1.
5474         * config/sparc/linux64.h (TARGET_ASM_FILE_END): Delete.
5475         (NEED_INDICATE_EXEC_STACK): Define to 1.
5476         * config/sparc/sparc.c (TARGET_ASM_FILE_END): Set to sparc_file_end.
5477         (add_pc_to_pic_symbol): Rename into pic_helper_symbol.
5478         (add_pc_to_pic_symbol_name): Rename into pic_helper_symbol_name.
5479         (pic_helper_emitted_p): New global.
5480         (emit_pic_helper): New function extracted from...
5481         (load_pic_register): ...here.  Add 'delay_pic_helper' parameter.
5482         Do not call emit_pic_helper if delay_pic_helper is true.
5483         (sparc_expand_prologue): Pass 'false' to load_pic_register.
5484         (sparc_output_mi_thunk): Pass 'true' to load_pic_register.
5485         (sparc_file_end): New function.
5486
5487 2005-04-04  Kazu Hirata  <kazu@cs.umass.edu>
5488
5489         * config/mcore/mcore-protos.h: Remove the prototypes for
5490         mcore_arith_reg_operand, mcore_general_movsrc_operand,
5491         mcore_general_movdst_operand, mcore_reload_operand,
5492         mcore_arith_J_operand, mcore_arith_K_operand,
5493         mcore_arith_K_operand_not_0, mcore_arith_M_operand,
5494         mcore_arith_K_S_operand, mcore_arith_imm_operand,
5495         mcore_arith_any_imm_operand, mcore_arith_O_operand,
5496         mcore_literal_K_operand, mcore_addsub_operand,
5497         mcore_compare_operand, mcore_load_multiple_operation,
5498         mcore_store_multiple_operation, mcore_call_address_operand.
5499         Add a prototype for const_ok_for_mcore.
5500         * config/mcore/mcore.c (mcore_call_address_operand,
5501         mcore_general_movsrc_operand, mcore_general_movdst_operand,
5502         mcore_arith_reg_operand, mcore_reload_operand,
5503         mcore_arith_J_operand, mcore_arith_K_operand,
5504         mcore_arith_K_operand_not_0, mcore_arith_K_S_operand,
5505         mcore_arith_M_operand, mcore_arith_imm_operand,
5506         mcore_arith_any_imm_operand, mcore_arith_O_operand,
5507         mcore_literal_K_operand, mcore_addsub_operand,
5508         mcore_compare_operand, mcore_load_multiple_operation,
5509         mcore_store_multiple_operation): Move to predicates.md.
5510         (const_ok_for_mcore): Export.
5511         * config/mcore/mcore.h (PREDICATE_CODES): Remove.
5512         * config/mcore/mcore.md: Include predicates.md.
5513         * config/mcore/predicates.md: New.
5514
5515         * config/mcore/predicates.md: Fix a comment typo.
5516
5517 2005-04-04  Andreas Krebbel  <krebbel1@de.ibm.com>
5518             Adrian Straetling  <straetling@de.ibm.com>
5519
5520         * config/s390/2064.md ("z_mul", "z_inf"): New insn reservations.
5521         * config/s390/2084.md ("x_mul_hi", "x_mul_sidi", "x_div"): Likewise.
5522         * config/s390/s390.md ("imulhi", "imulsi", "imuldi"): Added to "type"
5523         attribute.
5524         ("imul"): Removed from "type" attribute.
5525         ("*muldi3_sign", "muldi3"): Changed type to imuldi.
5526         ("mulsi3/1", "mulsi3/3", "mulsi/4", "mulsidi3", "umulsidi3"):
5527         Changed type to imulsi.
5528         ("*mulsi3_sign", "mulsi3/2"): Changed type to imulhi.
5529
5530 2005-04-04  Richard Sandiford  <rsandifo@redhat.com>
5531
5532         * config/mcore/mcore.h (target_flags, HARDLIT_BIT, ALIGN8_BIT, DIV_BIT)
5533         (RELAX_IMM_BIT, W_FIELD_BIT, OVERALIGN_FUNC_BIT, CGDATA_BIT)
5534         (SLOW_BYTES_BIT, LITTLE_END_BIT, M340_BIT, TARGET_HARDLIT)
5535         (TARGET_DIV, TARGET_RELAX_IMM, TARGET_W_FIELD, TARGET_OVERALIGN_FUNC)
5536         (TARGET_CG_DATA, TARGET_SLOW_BYTES, TARGET_LITTLE_END, TARGET_M340)
5537         (TARGET_SWITCHES, mcore_stack_increment_string)
5538         (TARGET_OPTIONS): Delete.
5539         (TARGET_DEFAULT, OPTIMIZATION_OPTIONS): Use MASK_* constants rather
5540         than *_BIT constants.
5541         (TARGET_8ALIGN): #undef old definition before redefining to 1.
5542         * config/mcore/mcore.c (mcore_stack_increment_string): Delete.
5543         (TARGET_DEFAULT_TARGET_FLAGS): Override default to TARGET_DEFAULT.
5544         (mcore_override_options): Delete mcore_stack_increment code.
5545         Change use of M340_BIT to MASK_M340.
5546         * config/mcore/mcore.opt: New file.
5547
5548 2005-04-04  Ian Lance Taylor  <ian@airs.com>
5549
5550         * config/arm/arm.c (replace_symbols_in_block): Remove static
5551         function.
5552
5553 2005-04-04  Kazu Hirata  <kazu@cs.umass.edu>
5554
5555         * config/fr30/fr30-protos.h: Remove the prototypes for
5556         stack_add_operand, add_immediate_operand,
5557         high_register_operand, low_register_operand, call_operand,
5558         di_operand, and nonimmediate_di_operand.
5559         * config/fr30/fr30.c (stack_add_operand,
5560         add_immediate_operand, high_register_operand,
5561         low_register_operand, call_operand, di_operand,
5562         nonimmediate_di_operand): Move to predicates.md.
5563         * config/fr30/fr30.h (PREDICATE_CODES): Remove.
5564         * config/fr30/fr30.md: Include predicates.md.
5565         * config/fr30/predicates.md: New.
5566
5567         * config/mcore/mcore.h (PREDICATE_CODES): Add SYMBOL_REF and
5568         LABEL_REF to mcore_general_movsrc_operand.  Add SYMBOL_REF to
5569         mcore_call_address_operand.
5570
5571         * config/sh/sh.h (PREDICATE_CODES): Add CONST to
5572         general_movsrc_operand.
5573
5574 2005-04-04  Alan Modra  <amodra@bigpond.net.au>
5575
5576         * passes.c (rest_of_handle_final): NULL unlikely_text_section_name
5577         after freeing.
5578
5579 2005-04-04  Richard Earnshaw  <richard.earnshaw@arm.com>
5580
5581         PR target/14812
5582         * arm.c (arm_select_cc_mode): Return CC_Zmode when comparing against
5583         a negated value.
5584
5585 2005-04-04  Richard Henderson  <rth@redhat.com>
5586             Jakub Jelinek  <jakub@redhat.com>
5587
5588         PR rtl-optimization/16104
5589         * fold-const.c (fold_unary): Fix folding of vector conversions.
5590
5591 2005-04-04  Richard Sandiford  <rsandifo@redhat.com>
5592
5593         * config.gcc (xstormy16-*-elf): Set extra_options.
5594         * config/stormy16/stormy16.h (target_flags, TARGET_SWITCHES): Delete.
5595         * config/stormy16/stormy16.opt: New file.
5596
5597 2005-04-04  Richard Sandiford  <rsandifo@redhat.com>
5598
5599         * config/pdp11/pdp11.h (target_flags, TARGET_SWITCHES, TARGET_DEFAULT)
5600         (TARGET_FPU, TARGET_SOFT_FLOAT, TARGET_AC0, TARGET_NO_AC0, TARGET_45)
5601         (TARGET_BCOPY_BUILTIN, TARGET_INT16, TARGET_INT32, TARGET_FLOAT32)
5602         (TARGET_FLOAT64, TARGET_ABSHI_BUILTIN, TARGET_BRANCH_EXPENSIVE)
5603         (TARGET_BRANCH_CHEAP, TARGET_SPLIT, TARGET_NOSPLIT)
5604         (TARGET_UNIX_ASM): Delete.
5605         (TARGET_40_PLUS): Redefine in terms of TARGET_40 and TARGET_45.
5606         * config/pdp11/2bsd.h (TARGET_UNIX_ASM_DEFAULT): Use MASK_UNIX_ASM.
5607         * config/pdp11/pdp11.c (pdp11_handle_option): New function.
5608         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
5609         * config/pdp11/pdp11.opt: New file.
5610
5611 2005-04-03  Roger Sayle  <roger@eyesopen.com>
5612             Alexandre Oliva  <aoliva@redhat.com>
5613
5614         PR c++/19199
5615         * fold-const.c (non_lvalue): Split tests into...
5616         (maybe_lvalue_p): New function.
5617         (fold_cond_expr_with_comparison): Preserve lvalue-ness for the
5618         C++ front-end prior to lowering into gimple form.
5619
5620 2005-04-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
5621
5622         * builtins.def (BUILT_IN_STPNCPY, BUILT_IN_STRCASECMP,
5623         BUILT_IN_STRNCASECMP): New.
5624         * doc/extend.texi: Document stpncpy, strcasecmp, strncasecmp
5625         and strndup.
5626
5627 2005-04-03  Richard Earnshaw  <richard.earnshaw@arm.com>
5628
5629         PR target/14812
5630         * arm.md (addsi3_compare0_for_combiner): Delete.
5631         (addsi3_compare0_scratch_for_combiner): Delete.
5632         (cmpsi_neg_shiftsi): Delete.
5633         (compare_negsi_si): New pattern.
5634         (cmpsi_negshiftsi_si): New pattern.
5635         (negated_cbranchsi4): Restrict to equality_operator.
5636
5637         * arm.md (movhi_insn_arch4): delete trailing white space from assembler
5638         template.
5639
5640 2005-04-03  Kazu Hirata  <kazu@cs.umass.edu>
5641
5642         * cfghooks.c, cfgrtl.c, modulo-sched.c, config/i386/winnt.c:
5643         Fix comment typos.
5644
5645         * doc/install.texi: Fix a typo.
5646
5647 2005-04-03  Steven Bosscher  <stevenb@suse.de>
5648
5649         PR middle-end/20648
5650         * bb-reorder.c (duplicate_computed_gotos): Do not unfactor
5651         a computed goto if the edge to the computed goto block has
5652         incoming abnormal edges.  Clarify how the function works.
5653
5654 2005-04-03  Nathan Sidwell  <nathan@codesourcery.com>
5655
5656         * params.c (set_param_value): Use gcc_assert & gcc_unreachable.
5657         * passes.c (open_dump_file, rest_of_handle_final): Likewise.
5658         * postreload-gcse.c (expr_equiv_p, oprs_unchanged_p,
5659         hash_scan_set, reg_set_between_after_reload_p,
5660         reg_used_between_after_reload_p, get_avail_load_store_reg,
5661         eliminate_partially_redundant_load): Likewise.
5662         * postreload.c (reload_cse_simplify_set,
5663         reload_combine_note_use): Likewise.
5664         * predict.c (predict_insn, expected_value_to_br_prob,
5665         propagate_freq, expensive_function_p): Likewise.
5666         * print-rtl.c (print_rtx): Likewise.
5667         * profile.c (instrument_edges, instrument_values,
5668         compute_branch_probabilities, branch_prob, union_groups,
5669         tree_register_profile_hooks, rtl_register_profile_hooks): Likewise.
5670         * protoize.c (in_system_include_dir, file_could_be_converted,
5671         file_normally_convertible, gen_aux_info_file, seek_to_line,
5672         do_cleaning): Likewise.
5673         * tree-ssa-alias.c (collect_points_to_info_r): Likewise.
5674         * tree-ssa-ccp.c (execute_fold_all_builtins): Likewise.
5675         * tree-ssa-loop-ivopts.c (produce_memory_decl_rtl): Likewise.
5676
5677 2005-04-03 Mostafa Hagog <mustafa@il.ibm.com>
5678
5679         * cfg.c (clear_bb_flags): Don't clear BB_DISABLE_SCHEDULE.
5680         * modulo-sched.c (undo_replace_buff_elem): New structure.
5681         (kernel_number_of_cycles, ps_unschedule_node,
5682         undo_generate_reg_moves,free_undo_replace_buff,
5683         undo_permute_partial_schedule,  loop_single_full_bb_p,
5684         SIMPLE_SMS_LOOP_P, loop_canon_p, canon_loop,
5685         build_loops_structure, get_sched_window): New.
5686         (generate_reg_moves): Return undo_replace_buff_elem and other
5687         fixes.
5688         (generate_prolog_epilog): Remove old loop versioning.
5689         (sms_schedule): Use loop information and loop_version.
5690         (sms_schedule_by_order): Split part of it to get_sched_window.
5691         * passes.c (rest_of_handle_sms): call cfg_layout_initialize
5692         cfg_layout_finalize and free_dominance_info before/after SMS.
5693
5694 2005-04-03 Mostafa Hagog <mustafa@il.ibm.com>
5695
5696         * cfghooks.c (lv_flush_pending_stmts,
5697         cfg_hook_duplicate_loop_to_header_edge, extract_cond_bb_edges,
5698         lv_adjust_loop_header_phi, lv_add_condition_to_bb): New.
5699         * cfghooks.h (cfg_hook_duplicate_loop_to_header_edge,
5700         lv_add_condition_to_bb,
5701         lv_adjust_loop_header_phi, extract_cond_bb_edges,
5702         flush_pending_stmts): New in cfg_hooks structure.
5703         (cfg_hook_duplicate_loop_to_header_edge, lv_flush_pending_stmts,
5704         extract_cond_bb_edges, lv_adjust_loop_header_phi,
5705         lv_add_condition_to_bb): New declarations.
5706         * cfgloop.h (duplicate_loop_to_header_edge): Change return type to
5707         bool.
5708         (loop_version): Declare.
5709         * cfgloopmanip.c (cfghooks.h): Include.
5710         (duplicate_loop_to_header_edge): Change return type to bool.
5711         (loop_version, lv_adjust_loop_entry_edge): Move here.
5712         * cfgrtl.c (cfgloop.h): Include.
5713         (rtl_verify_flow_info_1): Fix.
5714         (rtl_lv_add_condition_to_bb, rtl_extract_cond_bb_edges): New.
5715         (rtl_cfg_hooks, cfg_layout_rtl_cfg_hook): Add hooks to
5716         initialization.
5717         * tree-cfg.c (tree_lv_adjust_loop_header_phi,
5718         tree_lv_add_condition_to_bb): New.
5719         (tree_cfg_hooks): Add new hooks to initialization.
5720         * tree-ssa-loop-manip.c (lv_adjust_loop_header_phi,
5721         lv_adjust_loop_entry_edge, tree_ssa_loop_version): Remove.
5722
5723 2005-04-03  Kazu Hirata  <kazu@cs.umass.edu>
5724
5725         * config/stormy16/stormy16.h (PREDICATE_CODES): Add SUBREG to
5726         xstormy16_below100_or_register,
5727         xstormy16_splittable_below100_or_register, and
5728         nonimmediate_nonstack_operand.
5729
5730         * config/stormy16/stormy16-protos.h: Remove the prototypes for
5731         xstormy16_ineqsi_operator, equality_operator,
5732         inequality_operator, shift_operator,
5733         xstormy16_below100_operand, xstormy16_below100_or_register,
5734         xstormy16_splittable_below100_or_register,
5735         xstormy16_onebit_set_operand, xstormy16_onebit_clr_operand.
5736         * config/stormy16/stormy16.c (xstormy16_ineqsi_operator,
5737         equality_operator, inequality_operator,
5738         xstormy16_below100_operand, xstormy16_below100_or_register,
5739         xstormy16_splittable_below100_or_register,
5740         xstormy16_onebit_set_operand, xstormy16_onebit_clr_operand,
5741         nonimmediate_nonstack_operand, shift_operator): Move to
5742         predicates.md.
5743         * config/stormy16/stormy16.h (PREDICATE_CODES): Remove.
5744         * config/stormy16/stormy16.md: Include predicates.md.
5745         * config/stormy16/predicates.md: New.
5746
5747 2005-04-02  Kazu Hirata  <kazu@cs.umass.edu>
5748
5749         * config/iq2000/iq2000.c (uns_arith_operand, arith_operand,
5750         small_int, large_int, reg_or_0_operand, simple_memory_operand,
5751         equality_op, cmp_op, pc_or_label_operand, call_insn_operand,
5752         move_operand, power_of_2_operand): Move to predicates.md.
5753         * config/iq2000/iq2000.h (SPECIAL_MODE_PREDICATES,
5754         PREDICATE_CODE): Remove.
5755         * config/iq2000/iq2000.md: Include predicates.md.
5756         * config/iq2000/predicates.md: New.
5757
5758 2005-04-02  Richard Sandiford  <rsandifo@redhat.com>
5759
5760         * config/m68hc11/m68hc11.h (target_flags, MASK_SHORT)
5761         (MASK_AUTO_INC_DEC, MASK_M6811, MASK_M6812, MASK_M68S12)
5762         (MASK_NO_DIRECT_MODE, MASK_MIN_MAX, MASK_LONG_CALLS)
5763         (TARGET_SHORT, TARGET_M6811, TARGET_M6812, TARGET_M68S12)
5764         (TARGET_AUTO_INC_DEC, TARGET_MIN_MAX, TARGET_NO_DIRECT_MODE)
5765         (TARGET_LONG_CALLS, TARGET_SWITCHES, TARGET_OPTIONS)
5766         (SUBTARGET_SWITCHES, SUBTARGET_OPTIONS, m68hc11_regparm_string)
5767         (m68hc11_reg_alloc_order, m68hc11_soft_reg_count)
5768         (TARGET_M68HC11): Delete.
5769         (TARGET_DEFAULT): Change the default setting from MASK_M6811 to 0.
5770         * config/m68hc11/m68hc12.h (TARGET_M68HC12): Delete.
5771         * config/m68hc11/m68hc11.c (m68hc11_regparm_string)
5772         (m68hc11_reg_alloc_order, m68hc11_soft_reg_count)
5773         (nb_soft_regs): Delete.
5774         (TARGET_DEFAULT_TARGET_FLAGS): Override default with TARGET_DEFAULT.
5775         (m68hc11_override_options): Remove the code that caters for MASK_M6811
5776         and MASK_M6812 being set simultaneously.  Change the code that sets
5777         the default m68hc11_soft_reg_count to use integers instead of strings.
5778         (m68hc11_conditional_register_usage, hard_regno_mode_ok): Use
5779         m68hc11_soft_reg_count (which now has an int type) as the number
5780         of soft registers.
5781         * config/m68hc11/m68hc11.opt: New file.
5782
5783 2005-04-02  Kazu Hirata  <kazu@cs.umass.edu>
5784
5785         * config/fr30/fr30.h (PREDICATE_CODES): Remove
5786         fp_displacement_operand, sp_displacement_operand.
5787
5788         * config/m68hc11/m68hc11-protos.h: Add a prototype for
5789         m68hcc_auto_inc_p.
5790         Remove the prototypes for tst_operand, cmp_operand,
5791         stack_register_operand, d_register_operand,
5792         hard_addr_reg_operand, splitable_operand,
5793         m68hc11_logical_operator, m68hc11_arith_operator,
5794         m68hc11_non_shift_operator, m68hc11_shift_operator,
5795         m68hc11_unary_operator, m68hc11_eq_compare_operator,
5796         non_push_operand, hard_reg_operand, and
5797         reg_or_some_mem_operand.
5798         * config/m68hc11/m68hc11.c (m68hcc_auto_inc_p): Make it
5799         extern.
5800         (tst_operand, cmp_operand, non_push_operand,
5801         splitable_operand, reg_or_some_mem_operand,
5802         stack_register_operand, d_register_operand,
5803         hard_addr_reg_operand, hard_reg_operand,
5804         m68hc11_eq_compare_operator, m68hc11_logical_operator,
5805         m68hc11_arith_operator, m68hc11_non_shift_operator,
5806         m68hc11_shift_operator, m68hc11_unary_operator): Move to
5807         predicates.md.
5808         * config/m68hc11/m68hc11.h (PREDICATE_CODES): Remove.
5809         * config/m68hc11/m68hc11.md: Include predicates.md.
5810         * config/m68hc11/predicates.md: New.
5811
5812 2005-04-02  Alexandre Oliva  <aoliva@redhat.com>
5813
5814         PR debug/19345
5815         * dwarf2out.c (add_abstract_origin_attribute): Revert accidental
5816         change checked in along with 2005-03-03's patch for debug/20253.
5817         * tree-inline.c (remap_type): Remap TYPE_STUB_DECL.
5818         (remap_decl): Insert type decl in map earlier.
5819
5820 2005-04-02  Alexandre Oliva  <aoliva@redhat.com>
5821
5822         PR tree-optimization/20640
5823         * tree-ssa-dce.c (remove_dead_stmt): Don't redirect edge to
5824         post-dominator if it has phi nodes.
5825         (eliminate_unnecessary_stmts): Remove dead phis in all blocks
5826         before dead statements.
5827
5828 2005-04-02  Alexandre Oliva  <aoliva@redhat.com>
5829
5830         PR middle-end/20491
5831         * final.c (alter_subreg): Don't call subreg_regno for a non-REG.
5832
5833 2005-04-02  Alexandre Oliva  <aoliva@redhat.com>
5834
5835         PR rtl-optimization/20290
5836         * loop.c (for_each_insn_in_loop): Don't assume the loop body runs
5837         in every iteration if the entry point is the exit test.
5838
5839 2005-04-02  Hans-Peter Nilsson  <hp@axis.com>
5840
5841         * config/cris/cris.md (attribute "length"): Define.
5842
5843 2005-04-02  Geoffrey Keating  <geoffk@apple.com>
5844
5845         * config/rs6000/predicates.md (indexed_or_indirect_operand): New.
5846         (word_offset_memref_operand): New.
5847         * config/rs6000/rs6000-protos.h (word_offset_memref_operand): Delete.
5848         (indexed_or_indirect_operand): Delete.
5849         * config/rs6000/rs6000.c (word_offset_memref_operand): Delete.
5850         (indexed_or_indirect_operand): Delete.
5851
5852         * config/rs6000/t-darwin8: Comment out ppc64 multilib.
5853
5854         PR 20650
5855         * config/rs6000/rs6000.md (fix_truncdfsi2): Make destination
5856         a register.
5857
5858         * config/rs6000/t-darwin (TARGET_LIBGCC2_CFLAGS): Add -pipe.
5859         * config/t-darwin (TARGET_LIBGCC2_CFLAGS): Likewise.
5860
5861 2005-04-01  Jan-Benedict Glaw  <jbglaw@lug-owl.de>
5862
5863         * gcc/config/vax/vax.md: Spellcheck, fix whitespace.
5864
5865 2005-04-01  Ian Lance Taylor  <ian@airs.com>
5866
5867         * gcc.c: Don't include <sys/resource.h> or declare getrusage.
5868         (rus, prus): Remove static variables.
5869         (execute): Use pex_run/pex_get_status rather than pexecute/pwait.
5870         (process_command): Permit report_times and use_pipes together.
5871
5872 2005-04-01  Joseph S. Myers  <joseph@codesourcery.com>
5873
5874         * c-decl.c (validate_proto_after_old_defn): Look at
5875         TYPE_MAIN_VARIANT of argument types.
5876
5877 2005-04-01  Paul Brook  <paul@codesourcery.com>
5878
5879         * config/arm/arm.c (thumb_call_via_label): Include space for SP.
5880         (arm_output_function_epilogue): Allow call_via_SP.
5881         (thumb_call_via_reg, arm_file_end): Ditto.
5882         * config/arm/arm.h (struct machine_function): Include space for SP.
5883         (thumb_call_via_label): Update declaration.
5884
5885 2005-04-01  Ian Lance Taylor  <ian@airs.com>
5886
5887         * final.c (final_scan_insn): Revert part of 2005-03-30 patch: when
5888         doing a peephole optimization, once again put any notes in the
5889         proper position.
5890
5891 2005-04-01  Kazu Hirata  <kazu@cs.umass.edu>
5892
5893         * bb-reorder.c, fold-const.c, varasm.c: Fix comment typos.
5894
5895 2005-04-01  Nathan Sidwell  <nathan@codesourcery.com>
5896
5897         * local-alloc.c (update_equiv_regs): Use gcc_assert, gcc_unreachable.
5898         (block_alloc, find_free_reg): Likewise.
5899         * loop-doloop.c (doloop_modify): Likewise.
5900         * loop-invariant.c (record_use): Likewise.
5901         * loop-iv.c (get_biv_step_1, get_biv_step, iv_analyze,
5902         get_iv_value, canon_condition, eliminate_implied_condition,
5903         eliminate_implied_condition, simplify_using_initial_values,
5904         shorten_into_mode, canonicalize_iv_subregs,
5905         iv_number_of_iterations): Likewise.
5906         * loop-unroll.c (expand_var_during_unrolling): Likewise.
5907         * loop-unswitch.c (compare_and_jump_seq, unswitch_single_loop,
5908         unswitch_loop): Likewise.
5909         * loop.c (INSN_LUID, loop_optimize, rtx_equal_for_loop_p,
5910         move_movables, replace_call_address, find_and_verify_loops,
5911         rtx_equal_for_prefetch_p, fold_rtx_mult_add, loop_iterations,
5912         record_giv, final_giv_value, general_induction_var,
5913         simplify_giv_expr, extension_within_bounds_p, try_copy_prop,
5914         loop_giv_dump): Likewise.
5915
5916         * gcov-io.h (GCOV_CHECK, GCOV_CHECK_READING,
5917         GCOV_CHECK_WRITING): Remove.
5918         (gcov_position, gcov_rewrite): Use gcc_assert.
5919         * gcov-io.c (gcov_open, gcov_write_words, gcov_write_length,
5920         gcov_read_words, gcov_sync, gcov_seek): Use gcc_assert.
5921         * libgcov.c (__gcov_merge_single, __gcov_merge_delta): Use
5922         gcc_assert.
5923
5924 2005-04-01  Kazu Hirata  <kazu@cs.umass.edu>
5925
5926         * tree-inline.c: Fix a typo.
5927
5928 2005-04-01  Nathan Sidwell  <nathan@codesourcery.com>
5929
5930         * configure.ac (enable-checking): Explicitly set all variables for
5931         collective switch values.  Alphabetize variables. Rename
5932         ac_checking_valgrind to ac_valgrind_checking.  Allow 'none' as
5933         synonym for 'no'.
5934         * doc/install.texi (enable-checking): Update documentation.
5935         * configure: Rebuilt.
5936
5937 2005-04-01  Kazu Hirata  <kazu@cs.umass.edu>
5938
5939         * tree-inline.c (copy_body_r): Use CONSTANT_CLASS_P where
5940         possible.
5941
5942 2005-04-01  Richard Earnshaw  <richard.earnshaw@arm.com>
5943
5944         * arm.c (adjacent_mem_locations): Reject volatile memory refs.
5945         Also reject cases where this pattern will cause load delay stalls
5946         unless optimizing for size and it will produce a shorter sequence.
5947         * arm.md (arith_adjacent_mem): Make better use of ldm addressing
5948         variants to avoid pre-adjusting the base when possible.
5949
5950 2005-04-01  Richard Earnshaw  <richard.earnshaw@arm.com>
5951
5952         * arm.md (minmax_arithsi): Reject all eliminable registers, not just
5953         the frame and argument pointers.
5954         (strqi_preinc, strqi_predec, loadqi_preinc, loadqi_predec): Likewise.
5955         (loadqisi_preinc, loadqisi_predec, strsi_preinc): Likewise.
5956         (strsi_predec, loadsi_preinc, loadsi_predec): Likewise.
5957         (strqi_shiftpreinc, strqi_shiftpredec, loadqi_shiftpreinc): Likewise.
5958         (loadqi_shiftpredec, strsi_shiftpreinc, strsi_shiftpredec): Likewise.
5959         (loadsi_shiftpreinc, loadsi_shiftpredec): Likewise.
5960
5961 2005-04-01  Danny Smith  <dannysmith@users.sourceforge.net>
5962
5963         * config/i386/cygming.h (SUBTARGET_ATTRIBUTE_TABLE): Define,
5964         with entry for selectany attribute.
5965         * config/i386/i386-protos.h (ix86_handle_selectany_attribute):
5966         Declare.
5967         * config/i386/winnt.c (ix86_handle_selectany_attribute): Define.
5968         (i386_pe_asm_named_section): Handle sections generated by
5969         selectany attribute.
5970         * doc/extend.texi (selectany): Document attribute.
5971
5972 2005-04-01  Paolo Bonzini  <bonzini@gnu.org>
5973             Jan Hubicka  <jh@suse.cz>
5974
5975         * config/i386/i386.c (ix86_decompose_address): Look inside SUBREGs
5976         to fix addresses involving EBP and ESP.
5977         (aligned_operand, legitimate_address_p, ix86_address_cost): Be prepared
5978         for SUBREGed registers.
5979         (legitimate_address_p): Accept SUBREGed registers.
5980
5981 2005-04-01  Jakub Jelinek  <jakub@redhat.com>
5982
5983         PR c++/19406
5984         * dwarf2out.c (gen_type_die_for_member): Handle FIELD_DECL.
5985         (dwarf2out_imported_module_or_decl): Use gen_type_die_for_member
5986         for FIELD_DECLs.
5987
5988 2005-04-01  Kazu Hirata  <kazu@cs.umass.edu>
5989
5990         * doc/contrib.texi, doc/invoke.texi, doc/tm.texi: Fix typos.
5991
5992 2005-04-01  James E Wilson  <wilson@specifixinc.com>
5993
5994         PR c++/20505
5995         * dwarf2out.c (rtl_for_decl_init): New function.
5996         (rtl_for_decl_location): Extracted from here.
5997         (tree_add_const_value_attribute): Call rtl_for_decl_init and
5998         add_const_value_attribute.  Delete initializer_constant_valid_p call.
5999
6000 2005-04-01  Kazu Hirata  <kazu@cs.umass.edu>
6001
6002         * cgraphunit.c, dbxout.c, flow.c, gcse.c, gimplify.c,
6003         lambda-code.c, loop.c, machmode.def, mips-tfile.c,
6004         modulo-sched.c, passes.c, postreload-gcse.c, tree-eh.c,
6005         tree-ssa-ccp.c, varasm.c, config/frv/frv.c, config/frv/frv.h,
6006         config/frv/frv.md, config/i386/i386.c, config/i386/i386.h,
6007         config/i386/i386.md, config/rs6000/predicates.md,
6008         config/rs6000/rs6000.c, config/s390/fixdfdi.h,
6009         config/s390/s390.c, config/stormy16/stormy16.c,
6010         config/stormy16/stormy16.md, config/vax/vax.md: Fix comment
6011         typos.
6012
6013 2005-04-01  Joseph S. Myers  <joseph@codesourcery.com>
6014
6015         PR c/17855
6016         * gimplify.c (gimplify_expr): Create a temporary for lvalue
6017         COND_EXPR and CALL_EXPR.
6018
6019 2005-03-31  Vladimir Makarov  <vmakarov@redhat.com>
6020
6021         PR target/20632
6022         * genautomata.c (first_cycle_unit_presence): Check all alternative
6023         states for unit presence.
6024
6025         * doc/md.texi: Remove remark about impossibility to query unit
6026         presence in non nondeterministic automaton state.
6027
6028         * config/ia64/ia64.c (get_template): Change order of unit querying.
6029
6030 2005-03-31  Kazu Hirata  <kazu@cs.umass.edu>
6031
6032         * tree-ssa-dom.c (cprop_into_successor_phis): Remove an
6033         obsolete comment.
6034
6035 2005-03-31  Zdenek Dvorak  <dvorakz@suse.cz>
6036
6037         * cfgloopanal.c (mark_loop_exit_edges): Clean EDGE_LOOP_EXIT
6038         flag for edges outside any loops.
6039
6040 2005-03-31  Janis Johnson  <janis187@us.ibm.com>
6041
6042         * doc/sourcebuild.texi (Test Directives): Describe cleanup-* procs.
6043
6044 2005-03-31  Kazu Hirata  <kazu@cs.umass.edu>
6045
6046         * tree-ssa-alias.c: Follow spelling conventions.
6047         * doc/tree-ssa.texi: Fix a typo.
6048
6049 2005-03-31  J"orn Rennecke <joern.rennecke@st.com>
6050
6051         * postreload-gcse.c: Include target.h.
6052         (gcse_after_reload_main): Return early if we cannot modify jumps.
6053         * Makefile.in (postreload-gcse.o): Depend on $(TARGET_H).
6054
6055 2005-03-31  David Edelsohn  <edelsohn@gnu.org>
6056
6057         * tree-ssa-loop-im.c (stmt_cost): Add RDIV_EXPR to list of
6058         expensive operations.
6059
6060 2005-03-31  Ian Lance Taylor  <ian@airs.com>
6061
6062         * collect2.c (lderrout): New variable.
6063         (collect_exit): Dump ldout to stdout.  Dump and unlink lderrout,
6064         if it is set, to stderr.
6065         (handler): Unlink lderrout if it is set.
6066         (dump_file): Add "to" parameter.  Change all callers.
6067         (main): Initialize lderrout.
6068         (collect_execute): Add errname parameter.  Change all callers.
6069         Rename redir parameter to outname.  Never pass
6070         PEX_STDERR_TO_STDOUT to pex_run.
6071         * collect2.h (collect_execute, dump_file): Update declarations.
6072         * tlink.c (tlink_execute): Add errname parameter.  Change all
6073         callers.
6074         (do_tlink): Check lderrout as well as ldout.
6075
6076 2005-03-31  Caroline Tice  <ctice@apple.com>
6077
6078         * Makefile.in (varasm.o): Add basic-block.h to list of requirements.
6079         (bb-reorder.o): Add errors.h to list of requirements.
6080         (STAGEFEEDBACK_FLAGS_TO_PASS): Add -freorder-blocks-and-partition to
6081         profiledbootstrap flags.
6082         * bb-reorder.c (errors.h): Add new include.
6083         (struct bbro_basic_block_data_def): Add new field, in_trace.
6084         (add_unlikely_executed_notes):  Remove function.
6085         (mark_bb_for_unlikely_executed_section): Remove function.
6086         (insert_section_boundary_note): New function.
6087         (verify_hot_cold_block_grouping): New function.
6088         (push_to_next_round_p): Remove variables and tests that push all
6089         cold blocks to last round.
6090         (find_traces): Remove code that added extra round of trace finding
6091         when doing partitioning.
6092         (find_traces_1_round) :  Remove variable last_round;  add code to
6093         update new struct field, in_trace; correct trace_length where it was
6094         incorrect before (after call to copy_bb); change code that pushed all
6095         cold blocks to last round. Instead verify that all blocks going into
6096         a trace belong in the same partition.
6097         (connect_traces): Modify to connect the traces in two passes, if the
6098         function contains both hot and cold blocks.  The first pass connects
6099         all the traces for blocks in the partition that the first block in
6100         the function belongs to; the second pass connnects all the traces
6101         containing blocks that belong in the other partition.
6102         (find_rarely_executed_basic_blocks_and_crossing_edges):  Remove
6103         code that automatically put the first block in a function into the
6104         hot partition if the function had any hot blocks.
6105         (fix_crossing_unconditional_branches): Check number of succ edges
6106         before attempting to get one.
6107         (fix_edges_for_rarely_executed_code):  Update comment describing
6108         function.
6109         (reorder_basic_blocks):  Add code to initialize new field (in_trace);
6110         remove call to add_unlikely_executed_notes; add call to
6111         verify_hot_cold_block_grouping.
6112         (duplicate_computed_gotos): Don't change computed goto if it's a
6113         crossing edge.
6114         (partition_hot_cold_basic_blocks):  Update function comment.
6115         * cfgcleanup.c (try_simplify_condjump): Remove redundacy from
6116         condition.
6117         (try_forward_edges): Likewise.
6118         (merge_blocks_move_predecessor_nojumps): Likewise.
6119         (merge_blocks_move_successor_nojumps): Likewise.
6120         (merge_blocks_move): Likewise.
6121         (try_crossjump_bb): Likewise.
6122         * cfglayout.c (update_unlikely_executed_notes): Remove function.
6123         (fixup_reorder_chain): Remove code for adding UNLIKELY_EXECUTED_CODE
6124         notes to cold bb's; remove call to update_unlikely_executed_notes.
6125         (duplicate_insn_chain):  change NOTE_INSN_UNLIKELY_EXECUTED_CODE to
6126         NOTE_INSN_SWITCH_TEXT_SECTIONS.
6127         * cfglayout.h (scan_ahead_for_unlikely_executed_note): Remove
6128         function declaration.
6129         * cfgrtl.c (can_delete_note_p): Remove UNLIKELY_EXECUTED_CODE note
6130         from consideration.
6131         (rtl_can_merge_blocks): Remove redundancy from condition.
6132         (try_redirect_by_replacing_jump): Likewise.
6133         (force_nonfallthru_and_redirect): Remove code for adding
6134         UNLIKELY_EXECUTED_CODE notes to cold bb's.
6135         (commit_one_edge_insertion): Likewise.
6136         (cfg_layout_can_merge_blocks_p): Remove redundancy from condition.
6137         * dbxout.c (FORCE_TEXT): Replace function_section with
6138         current_function_section.
6139         (struct dbx_debug_h): Add do_nothing function for new debug_hooks
6140         function, switch_text_section.
6141         (struct xcoff_debug): Likewise.
6142         (dbxout_function_end): Add code to put out label diffs for both
6143         hot and cold sections.
6144         * debug.c (struct do_nothing_debug_hooks): Add do_nothing function
6145         for new debug_hooks funciton, switch_text_section..
6146         * debug.h (struct gcc_debug_hooks):  Add new function to debug_hooks,
6147         switch_text_section.
6148         * dwarf2out.c (struct dw_fde_struct):  Add five new fields:
6149         dw_fde_hot_section_label, dw_fde_hot_section_end_label,
6150         dw_fde_unlikely_section_label, dw_fde_unlikely_section_end_label and
6151         dw_fde_switched_sections.
6152         (output_call_frame_info):  Add test to see if function switches text
6153         sections in the middle; if so, use appropriate extra hot and cold
6154         section labels to compute size deltas for the hot and cold sections.
6155         (dwarf2out_begin_prologue): Add code to initialize new fields in
6156         dw_fde_struct.
6157         (dwarf2out_switch_text_section): New function (invoked through
6158         debug_hook); updates new fields in dw_fde_struct appropriately and
6159         increments separate_line_info_table_in_use.
6160         (dwarf2_debug_hooks): Initialize switch_text_section function to be
6161         dwarf2out_switch_text_section.
6162         (struct var_loc_node): Add new field, section_label.
6163         (output_aranges): Add code to check whether in hot or cold section and
6164         use the appropriate label in calculating deltas.
6165         (output_ranges): Likewise.
6166         (output_line_info): Add code to check which section we're in and
6167         use appropriate hot/cold label.
6168         (add_location_or_constant_value_attribute): Likewise.
6169         (gen_subprogam_die): Modify arange attributes to use correct labels.
6170         (dwarf2out_begin_block): Change call to function_section into call to
6171         current_function_section.
6172         (dwarf2out_end_block): Likewise.
6173         (dwarf2out_source_line): Likewise.
6174         (dwarf2out_var_location): Add code to check whether in hot or cold
6175         section and use the appropriate label.
6176         * except.c (output_function_exception_table): Change call to
6177         function_section into call to current_function_section.
6178         * final.c (profile_function): Likewise.
6179         (scan_ahead_for_unlikely_executed_note): Remove function.
6180         (final_scan_insn):  Remove calls to
6181         scan_ahead_for_unlikely_executed_note, and related code for switching
6182         to cold section, except for the single time
6183         NOTE_INSN_SWITCH_TEXT_SECTIONS may be encountered;  add calls to
6184         debug_hooks->switch_text_sections; replace appropriate calls to
6185         function_section with calls to current_function_section.
6186         * ifcvt.c (find_if_case_1): Remove redundancy from condition, add
6187         test_bb to condition.
6188         (find_if_case_2): Likewise.
6189         * insn-notes.def: Change NOTE_INSN_UNLIKELY_EXECUTED_CODE to
6190         NOTE_INSN_SWITCH_TEXT_SECTIONS.  Update comment appropriately.
6191         * opts.c (decode_options): Change warning about hot/cold partitioning
6192         with exceptionss to inform (so as not to cause bootstrap failures);
6193         remove warning about partitioning with DWARF debug info.
6194         * output.h (current_function_section): Add new function decl.
6195         (insert_section_boundary_note): Likewise.
6196         (enum in_section): Move this declaration here from varasm.c.
6197         (unlikely_section_label): Likewise.
6198         (unlikely_text_section_name): Likewise.
6199         (last_text_section_name): New global variable.
6200         (last_text_section): Likewise.
6201         (hot_section_label): Likewise.
6202         (hot_section_end_label): Likewise.
6203         (cold_section_end_label): Likewise.
6204         * passes.c (rest_of_handle_final): Free unlikely_text_section_name.
6205         * print-rtl.c (print_rtx): Change NOTE_INSN_UNLIKELY_EXECUTED_CODE
6206         to NOTE_INSN_SWITCH_TEXT_SECTIONS.
6207         * reg-stack.c (emit_swap_insn): Remove UNLIKELY_EXECUTED_CODE note
6208         insn from consideration.
6209         * sdbout.c (sdb_debug_hooks): Add do_nothing for new function,
6210         switch_text_section.
6211         * varasm.c (basic-block.h): Add new include.
6212         (unlikely_section_label_printed): Remove global variable.
6213         (unlikely_section_label): Make global variable not be static any more.
6214         (unlikely_text_section_name): Likewise.
6215         (hot_section_end_label): New global variable (not static)
6216         (first_function_block_is_cold): Likewise.
6217         (hot_section_label): Likewise.
6218         (cold_section_end_label): Likewise..
6219         (last_text_section): New global variable, not static.
6220         (last_text_section_name): New global variable, not static.
6221         (initialize_cold_section_name): New function.
6222         (enum in_section): Move declaration to output.h.
6223         (text_section): Update last_text_section.
6224         (unlikely_text_section): Replace code to determine cold section name
6225         with call to initialize_cold_section_name; Add code to update
6226         last_text_section; remove code for printing out label.
6227         (named_section_real): Add code to update last_text_section and
6228         last_text_section_name as appropriate.
6229         (function_section): Change test for 'unlikely' to depend on
6230         first_function_block_is_cold (moved old test to
6231         current_function_section).
6232         (current_function_section): New function.
6233         (assemble_start_function): Move code that frees
6234         unlikely_text_section_name; initialize hot_section_end_label;
6235         print hot and cold section labels at the start of the function;
6236         set first_function_block_is_cold, if appropriate; initialize l
6237         ast_text_section; add call to insert_section_boundary_note.
6238         (assemble_end_function):  Add code to write out hot and cold section
6239         end labels.
6240         *vmsdbgout.c (vmsdbg_debug_hooks): Add do_nothing for new function,
6241         switch_text_section.
6242         * config/darwin.c (machopic_select_section): Replace incorrect
6243         function in base_funs; update reloc for cold sections if necessary.
6244         * config/darwin.h (SECTION_FUNCTION):  Add code to update
6245         last_text_section if appropriate.
6246         (text_unlikely_section): Remove.
6247         * config/sparc/sparc.c (sparc_output_deferred_case_vectors): Likewise.
6248         * config/stormy16/stormy16.c (stormy_16_output_addr_vec): Likewise.
6249         * config/xtensa/xtensa.c (override_options): Turn off hot/cold
6250         partitioning for this architecture.
6251
6252 2005-03-31  Olivier Hainque  <hainque@adacore.com>
6253
6254         * dwarf2out.c (dwarf2out_frame_finish): Honor DWARF2_FRAME_INFO
6255         defined and non-zero.
6256
6257 2005-03-31  Gabriel Dos Reis  <gdr@integrable-solutions.net>
6258
6259         PR c++/18644
6260         * doc/invoke.texi (-Wsynth): Don't document, as it now is void of
6261         semantics.
6262
6263 2005-03-31  Alan Modra  <amodra@bigpond.net.au>
6264
6265         PR target/20611
6266         * config/rs6000/rs6000.md (load_toc_v4_PIC_1b): Remove inline
6267         label operand.  Remove (use (unspec..)).  Don't emit a label on
6268         the offset word.
6269         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Don't
6270         generate inline label for load_toc_v4_PIC_1b.
6271         (rs6000_emit_load_toc_table): Likewise.
6272
6273 2005-03-31  Kazu Hirata  <kazu@cs.umass.edu>
6274
6275         * config.gcc: Obsolete i860-*-sysv4*, ip2k-*-elf,
6276         ns32k-*-netbsdelf*, and ns32k-*-netbsd*.
6277
6278 2005-03-29  Devang Patel  <dpatel@apple.com>
6279
6280         * tree-sra.c (decide_block_copy): Disable scalarization of
6281         sub-elements.
6282
6283 2005-03-30  Stuart Hastings  <stuart@apple.com>
6284             Dale Johannesen  <dalej@apple.com>
6285
6286         * Makefile.in (print-tree.o):  Depend on tree-iterator.h.
6287         * print-tree.c (print_node):  Add case STATEMENT_LIST.
6288
6289 2005-03-31  Alan Modra  <amodra@bigpond.net.au>
6290
6291         * config.gcc (cpu_is_64bit): Set for 64-bit powerpc cpus.
6292         (powerpc64-*-linux*): Use it.  Rearrange tm_file assignment.
6293         (powerpc-*-linux*): Build a biarch compiler when --enable-targets
6294         is given with "powerpc64*" or "all", or when --with-cpu chooses
6295         a 64-bit cpu.
6296
6297 2005-03-30  James E. Wilson  <wilson@specifixinc.com>
6298
6299         PR debug/20268
6300         * dwarf2out.c (add_high_low_attributes): New function, extracted from
6301         gen_lexical_block_die.
6302         (gen_lexical_block_die, gen_inlined_subroutine_die): Call it.
6303
6304 2005-03-31  Jan Hubicka  <jh@suse.cz>
6305
6306         2004-11-02  Jan Hubicka  <jh@suse.cz>
6307
6308         * cgraph.c (cgraph_varpool_node_name): New function.
6309         (dump_cgraph_varpool_node): New function.
6310         (dump_varpool): New function.
6311         * cgraphunit.c (cgraph_optimize): Dump varpool.
6312
6313         2004-10-16  Jan Hubicka  <jh@suse.cz>
6314
6315         * cgraph.c (decide_is_variable_needed): New function.
6316         (cgraph_varpool_finalize_decl): Use it.
6317         * cgraphunit.c (cgraph_optimize): Assemble_pending_decls when not doing
6318         unit-at-a-time.
6319         * final.c (output_addr_const): Do not call mark_referenced.
6320         * passes.c (rest_of_decl_compilation): ifdef out DECL_RTL_SET_P hack;
6321         always go via cgraph.
6322         * toplev.c (wrapup_global_declarations): Kill non-unit-at-a-time code.
6323         (check_global_declarations): Ifdef out code clearing DECL_RTL.
6324         * tree-optimize.c (execute_inline): Mark functions called.
6325         * i386.c (output_pic_addr_const): Do not call mark_decl_referenced.
6326
6327         2004-10-11  Jan Hubicka  <jh@suse.cz>
6328
6329         * cgraph.c (cgraph_varpool_first_unanalyzed_node): New global voriable
6330         (cgraph_varpool_last_needed_node): New static variable.
6331         (enqueue_needed_varpool_node): Break out from ...; add items to the
6332         end of queue; update first pointers.
6333         (cgraph_varpool_mark_needed_node): ... here.
6334         (cgraph_varpool_finalize_decl): Use enqueue_needed_varpool_node.
6335         (cgraph_varpool_assemble_pending_decls): Move to cgraphunit.c
6336         * cgraph.h (cgraph_varpool_node): Add analyzed field.
6337         (cgraph_varpool_first_unanalyzed_node): Declare.
6338         * cgraphunit.c: Include output.h.
6339         (cgraph_varpool_analyze_pending_decls): New function.
6340         (cgraph_varpool_assemble_pending_decls): Move from cgraph.c; bail out
6341         for errors, analyze pending decls.
6342         (cgraph_finalize_compilation_unit): Only analyze decls.
6343         (cgraph_optimize): Assemble the decls after expanding.
6344
6345 2005-03-30  Daniel Berlin  <dberlin@dberlin.org>
6346
6347         * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Make sure
6348         subvars get marked properly in tags for grouping.
6349         (add_pointed_to_var): Mark only actual pointed to
6350         variables/subvars in addresses needed.
6351         (create_overlap_variables_for): Clear call clobbered on original
6352         variable.
6353         * tree-ssa-operands.c (get_asm_expr_operands): Don't let regular
6354         addresable vars with subvars into list.
6355         * tree-ssa.c (verify_ssa_name): Verify original is not used where
6356         subvar should be.
6357
6358 2005-03-30  Richard Henderson  <rth@redhat.com>
6359
6360         * cgraph.h (struct cgraph_node): Add alias.
6361         * varasm.c (assemble_alias): Set it.
6362         * cgraphunit.c (cgraph_assemble_pending_functions): Check it and
6363         avoid calling cgraph_expand_function.
6364
6365 2005-03-30  Tom Tromey  <tromey@redhat.com>
6366
6367         * tree.def (FILE_TYPE): Removed.
6368         * typeclass.h (enum type_class): Removed file_type_class.
6369         * dwarf2out.c (is_base_type): Updated.
6370         (gen_type_die): Likewise.
6371         * dbxout.c (dbxout_type): Updated.
6372         * builtins.c (type_to_class): Updated.
6373         * tree.c (type_contains_placeholder_1): Updated.
6374         * config/sparc/sparc.c (sparc_type_code): Updated.
6375         * config/ia64/ia64.c (hfa_element_mode): Updated.
6376         * expr.c (count_type_elements): Updated.
6377         * stor-layout.c (layout_type): Updated.
6378         * tree-inline.c (remap_type): Updated.
6379         * tree-pretty-print.c (dump_generic_node): Updated.
6380
6381 2005-03-30 Fariborz Jahanian <fjahanian@apple.com>
6382
6383         * builtins.c (expand_builtin_powi): Fix mode of
6384         2nd argument to match int.
6385         * libgcc2.h (__powisf2, __powidf2, __powixf2, __powitf2): Change
6386         2nd argument type to int.
6387         * libgcc2.c: Change prototype of __powi* functions to use
6388         int.
6389
6390 2005-03-30  Dale Johannesen  <dalej@apple.com>
6391
6392         PR middle-end/19225
6393         * calls.c (expand_call):  Flush pending deferrals before
6394         throwing call.
6395
6396 2005-03-30  Joseph S. Myers  <joseph@codesourcery.com>
6397
6398         PR c/772
6399         PR c/17913
6400         * c-tree.h (C_DECL_UNJUMPABLE_STMT_EXPR,
6401         C_DECL_UNDEFINABLE_STMT_EXPR, struct c_label_list, struct
6402         c_label_context, label_context_stack): New.
6403         * c-decl.c (define_label): Check for jumps into statement
6404         expressions.  Add label to list of defined labels.
6405         (start_function): Push context on label_context_stack.
6406         (finish_function): Pop context from label_context_stack.
6407         * c-typeck.c (label_context_stack): New.
6408         (c_finish_goto_label): Check for jumps into statement
6409         expressions.  Add label to list of jumped to labels.
6410         (struct c_switch): Add blocked_stmt_expr.
6411         (c_start_case): Initialize it.
6412         (do_case): Check it.
6413         (c_finish_case): Verify !blocked_stmt_expr.
6414         (c_begin_stmt_expr):  Push context on label_context_stack.
6415         Increment blocked_stmt_expr.  Mark labels jumped to from outside
6416         as undefinable.
6417         (c_finish_stmt_expr): December blocked_stmt_expr.  Mark labels
6418         defined in the statement expression and no longer jumpable to.
6419         Mark labels jumped to from just outside the statement expression
6420         as again definable.  Pop context from label_context_stack.
6421         * doc/extend.texi (Statement Exprs): Update.
6422
6423 2005-03-30  Joseph S. Myers  <joseph@codesourcery.com>
6424
6425         PR c/20368
6426         * c-decl.c (start_function): Check for old_decl being
6427         error_mark_node.
6428
6429 2005-03-30  Ian Lance Taylor  <ian@airs.com>
6430
6431         * final.c (final): Remove prescan parameter.  Change all callers.
6432         (final_scan_insn): Remove prescan parameter.  Change all callers.
6433
6434 2005-03-30  Kazu Hirata  <kazu@cs.umass.edu>
6435
6436         * tree-vectorizer.c: Fix comment typos.
6437
6438 2005-03-30  Sebastian Pop  <pop@cri.ensmp.fr>
6439
6440         * tree-scalar-evolution.c (instantiate_parameters_1): Return
6441         as soon as a chrec_dont_know is detected.
6442
6443 2005-03-31  Danny Smith  <dannysmith@users.sourceforge.net>
6444
6445         Merge from csl-arm-branch.
6446         2004-02-12  Mark Mitchell  <mark@codesourcery.com>
6447
6448         * tlink.c (recompile_files): Do not assume that "rename" can
6449         overwrite an existing file.
6450
6451 2005-03-31  Paolo Bonzini  <bonzini@gnu.org>
6452
6453         * gcc/configure.ac (TL_AC_GNU_MAKE_GCC_LIB_PATH): Remove.
6454         * gcc/configure: Regenerate.
6455
6456 2005-03-30  Alan Modra  <amodra@bigpond.net.au>
6457
6458         * doc/install.texi: Update binutils requirement for powerpc*-linux.
6459
6460         * config/rs6000/rs6000.c (rs6000_arg_partial_bytes): Update comments.
6461
6462         * calls.c (struct arg_data): Update "partial" comment.
6463         (load_register_parameters): Update "nregs" comment.
6464
6465 2005-03-30  Richard Sandiford  <rsandifo@redhat.com>
6466
6467         * config/iq2000/iq2000.h (target_flags, MASK_GPOPT, MASK_EMBEDDED_DATA)
6468         (MASK_UNINIT_CONST_IN_RODATA, TARGET_EMBEDDED_DATA, TARGET_SWITCHES)
6469         (TARGET_DEFAULT, TARGET_CPU_DEFAULT, SUBTARGET_TARGET_OPTIONS)
6470         (TARGET_OPTIONS, iq2000_cpu_string, iq2000_arch_string): Delete.
6471         (TARGET_DEBUG_MODE, TARGET_DEBUG_A_MODE, TARGET_DEBUG_B_MODE)
6472         (TARGET_DEBUG_C_MODE, TARGET_DEBUG_D_MODE): Define to 0 rather
6473         than target_flags & 0.
6474         * config/iq2000/iq2000.c (iq2000_cpu_string, iq2000_arch_string)
6475         (iq2000_arch, iq2000_parse_cpu): Delete.
6476         (TARGET_HANDLE_OPTION): Override default.
6477         (iq2000_handle_option): New function.
6478         (override_options): Remove -march= and -mcpu= handling.
6479         * config/iq2000/iq2000.opt: New file.
6480
6481 2005-03-30  Richard Sandiford  <rsandifo@redhat.com>
6482
6483         * config/c4x/c4x-protos.h (c4x_rpts_cycles, c4x_cpu_version): Delete.
6484         * config/c4x/c4x.h (SMALL_MEMORY_FLAG, MPYI_FLAG, FAST_FIX_FLAG)
6485         (RPTS_FLAG, C3X_FLAG, TI_FLAG, PARANOID_FLAG, MEMPARM_FLAG, DEVEL_FLAG)
6486         (RPTB_FLAG, BK_FLAG, DB_FLAG, DEBUG_FLAG, HOIST_FLAG)
6487         (LOOP_UNSIGNED_FLAG, FORCE_FLAG, PRESERVE_FLOAT_FLAG)
6488         (PARALLEL_INSN_FLAG, PARALLEL_MPY_FLAG, ALIASES_FLAG, C30_FLAG)
6489         (C31_FLAG, C32_FLAG, C33_FLAG, C40_FLAG, C44_FLAG, TARGET_SWITCHES)
6490         (TARGET_DEFAULT, TARGET_SMALL, TARGET_MPYI, TARGET_FAST_FIX)
6491         (TARGET_RPTS, TARGET_TI, TARGET_PARANOID, TARGET_MEMPARM, TARGET_DEVEL)
6492         (TARGET_RPTB, TARGET_BK, TARGET_DB, TARGET_DEBUG, TARGET_HOIST)
6493         (TARGET_LOOP_UNSIGNED, TARGET_FORCE, TARGET_PRESERVE_FLOAT)
6494         (TARGET_PARALLEL, TARGET_PARALLEL_MPY, TARGET_ALIASES)
6495         (c4x_rpts_cycles_string, c4x_cpu_version_string)
6496         (TARGET_OPTIONS): Delete.
6497         (c4x_rpts_cycles, c4x_cpu_version): Declare.
6498         (TARGET_C3X, TARGET_C30, TARGET_C31, TARGET_C32, TARGET_C33)
6499         (TARGET_C40, TARGET_C44): Redefine in terms of c4x_cpu_version.
6500         * config/c4x/c4x.c (c4x_rpts_cycles_string): Delete.
6501         (c4x_cpu_version_string): Delete.
6502         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
6503         (c4x_handle_option): New function.  Map -m3x and -m4x options to the
6504         equivalent -mcpu= option.
6505         (c4x_override_options): Remove -mrpts= and -mcpu= handling from here.
6506         Deal with the extra conditions in the old TARGET_MPYI, TARGET_RPTB,
6507         TARGET_DB, TARGET_PARALLEL and TARGET_PARALLEL_MPY macros by setting
6508         or clearing the appropriate MASK_* bit.
6509         (c4x_file_start): Use c4x_cpu_version.
6510         * config/c4x/c4x.opt: New file.
6511
6512 2005-03-30  Richard Sandiford  <rsandifo@redhat.com>
6513
6514         * doc/options.texi: Document the new MaskExists flag.
6515         * opth-gen.awk: Don't output MASK and TARGET macros for Mask(...)
6516         if the option has the MaskExists flag.
6517
6518 2005-03-30  Richard Sandiford  <rsandifo@redhat.com>
6519
6520         * opt-functions.awk (flag_set_p, test_flag): New functions.
6521         (switch_flags): Use them.
6522         * opth-gen.awk: Use flag_set_p to check for flags.
6523         * optc-gen.awk: Likewise.  Use opt_args to check for Init(...) flags.
6524
6525 2005-03-30  Ian Lance Taylor  <ian@airs.com>
6526
6527         * config.host (i[34567]86-*-mingw32*): Don't set
6528         host_can_use_collect2 to no.
6529
6530 2005-03-30  Alan Modra  <amodra@bigpond.net.au>
6531
6532         PR target/20203
6533         * builtins.c (get_memory_rtx): Expand address exp using EXPAND_NORMAL.
6534         Remove convert_memory_address call duplicating that in memory_address.
6535
6536 2005-03-29  Richard Henderson  <rth@redhat.com>
6537
6538         PR c/20519
6539         * c-decl.c (c_finish_incomplete_decl): Update complete_array_type call.
6540         (build_compound_literal): Likewise.  Propagate decl type into the
6541         initializer.
6542         (finish_decl): Likewise.  Use new return value from complete_array_type
6543         for zero sized arrays.
6544         (complete_array_type): Move ...
6545         * c-common.c (complete_array_type): ... here.  Change first argument
6546         to pointer-to-type-node.  Consistently use sizetype for the index
6547         except for zero sized arrays.  Detect zero sized arrays for pedantic
6548         mode diagnostics.  Create a new type node instead of modifying the
6549         old node in place.
6550         * c-tree.h (complete_array_type): Move decl ...
6551         * c-common.h (complete_array_type): ... here.
6552
6553 2005-03-29  Richard Henderson  <rth@redhat.com>
6554
6555         PR tree-opt/19108
6556         * tree-sra.c (generate_element_init_1): Handle RANGE_EXPR.
6557
6558 2005-03-29  Kazu Hirata  <kazu@cs.umass.edu>
6559
6560         * builtin-types.def, c-convert.c, c-format.c, ddg.c, debug.c,
6561         debug.h, et-forest.c, et-forest.h, gcov.c, rtl-profile.c,
6562         rtlhooks-def.h, rtlhooks.c, sdbout.c, tree-inline.h,
6563         tree-profile.c, tsystem.h, value-prof.h: Update copyright.
6564
6565 2005-03-29  Eric Christopher  <echristo@redhat.com>
6566
6567         * config/mips/mips.c (mips_gimplify_va_arg_expr): Update for
6568         truthvalue conversion removal.
6569
6570 2005-03-29  Ian Lance Taylor  <ian@airs.com>
6571
6572         PR bootstrap/14316
6573         * collect2.c: Never include <vfork.h>.
6574         (VFORK_STRING, vfork): Don't define.
6575         (pid): Remove global variable.
6576         (handler): Call raise instead of kill (getpid(), ...).
6577         (collect_wait): Add pex parameter.  Change all callers.  Use
6578         pex_get_status rather than pwait.
6579         (do_wait): Add pex parameter.  Change all callers.
6580         (collect_execute): Return struct pex_obj * rather than void.  Use
6581         pex routines rather than pexecute.
6582         (fork_execute): Get pex_obj from collect_execute, and pass it to
6583         do_wait.
6584         (scan_prog_file): Use pex routines rather than pipe/vfork/exec.
6585         Only declare quit_handler if SIGQUIT is defined.
6586         (scan_libraries): Likewise.
6587         * collect2.h (collect_execute): Update declaration.
6588         (collect_wait): Update declaration.
6589         * tlink.c (tlink_execute): Get pex_obj from collect_execute, and
6590         pass it to collect_wait.
6591
6592 2005-03-29  Joseph S. Myers  <joseph@codesourcery.com>
6593
6594         PR c/20672
6595         * c-parser.c (c_parser_compound_statement_nostart): Give error
6596         message for EOF instead of just setting parser->error.
6597
6598 2005-03-29  Dorit Naishlos  <dorit@il.ibm.com>
6599
6600         * tree-vectorizer.c (slpeel_update_phi_nodes_for_guard): Removed.
6601         (slpeel_update_phi_nodes_for_guard1): New function.
6602         (slpeel_update_phi_nodes_for_guard2): New function.
6603         (slpeel_tree_peel_loop_to_edge): Call above new functions instead
6604         of slpeel_update_phi_nodes_for_guard.
6605         (vectorize_loops): Remove call to loop_closed_rewrite.
6606         * tree-vect-transform.c (vect_update_ivs_after_vectorizer): Remove
6607         assertion.
6608
6609 2005-03-29  Richard Sandiford  <rsandifo@redhat.com>
6610
6611         * config/m32r/little.h (TARGET_ENDIAN_DEFAULT): Delete.
6612         (TARGET_LITTLE_ENDIAN): New macro.
6613         * config/m32r/m32r.h (SUBTARGET_SWITCHES, target_flags)
6614         (TARGET_RELAX_MASK, TARGET_DEBUG_MASK, TARGET_DEBUG)
6615         (TARGET_ALIGN_LOOPS_MASK, TARGET_ALIGN_LOOPS)
6616         (TARGET_LOW_ISSUE_RATE_MASK, TARGET_LOW_ISSUE_RATE)
6617         (TARGET_BRANCH_COST_MASK, TARGET_BRANCH_COST, TARGET_M32RX_MASK)
6618         (TARGET_M32RX, TARGET_M32R2_MASK, TARGET_M32R2, LITTLE_ENDIAN_BIT)
6619         (TARGET_ENDIAN_DEFAULT, SUBTARGET_SWITCHES, TARGET_DEFAULT)
6620         (TARGET_SWITCHES, m32r_model_string, m32r_sdata_string)
6621         (m32r_cache_flush_trap_string, SUBTARGET_OPTIONS)
6622         (TARGET_OPTIONS): Delete.
6623         (M32R_MODEL_DEFAULT, M32R_SDATA_DEFAULT): Turn into enums.
6624         (CACHE_FLUSH_TRAP): Turn into an integer.
6625         (TARGET_LITTLE_ENDIAN): Define to 0 by default.
6626         (INITIALIZE_TRAMPOLINE): Check m32r_cache_trap >= 0 to see if
6627         -mflush-trap is in use.
6628         * config/m32r/m32r.c (m32r_model_string, m32r_sdata_string)
6629         (m32r_cache_flush_trap_string): Delete.
6630         (m32r_model) Initialize to M32R_MODEL_DEFAULT.
6631         (m32r_sdata): Likewise M32R_SDATA_DEFAULT.
6632         (m32r_cache_trap): Likewise CACHE_FLUSH_TRAP.
6633         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
6634         (m32r_handle_option): New function.  Move -mflush-trap=, -mflush-func=,
6635         -mmodel= and -msdata= handling from...
6636         (m32r_init): ...here.
6637         * config/m32r/m32r.opt: New file.
6638
6639 2005-03-29  Keith Besaw  <kbesaw@us.ibm.com>
6640
6641         * tree-ssanames.c (duplicate_ssa_name_ptr_info): New function.
6642         (duplicate_ssa_name): Call duplicate_ssa_name_ptr_info.
6643         * tree-vect-analyze.c (vect_object_analysis): additional parm
6644         pass back a "struct ptr_info_def *" with the points-to info.
6645         (vect_analyze_data_refs): set the STMT_VINFO_PTR_INFO for the
6646         statement using info returned from vect_object_analysis.
6647         * tree-vect-transform.c (update_vuses_to_preheader): New function.
6648         (vect_create_data_ref_ptr): Remove updates to vars_to_rename
6649         for virtual uses and defs when creating a replacement vector
6650         reference.  Call duplicate_ssa_name_ptr_info to define points-to
6651         info for vector pointer replacement using STMT_VINFO_PTR_INFO.
6652         (vectorizable_store): copy_virtual_operands and update
6653         definition statements.
6654         (vectorizable_load): copy_virtual_operands.  Remove call to
6655         mark_call_clobbered_vars_to_rename for call to "const" builtin.
6656         * tree-vectorizer.c (vectorize_loops): Remove calls to
6657         rewrite_into_ssa and bitmap_clear (vars_to_rename).
6658         (new_stmt_vec_info): initialize STMT_VINFO_PTR_INFO for stmt.
6659         * tree-vectorizer.h (_stmt_vec_info): add field ptr_info and
6660         define macro STMT_VINFO_PTR_INFO for use in accessing.
6661         * tree.h add export of duplicate_ssa_name_ptr_info.
6662         * rs6000.c (altivec_init_builtins): Declare builtin function
6663         __builtin_altivec_mask_for_load to be "const".
6664
6665 2005-03-29  Jakub Jelinek  <jakub@redhat.com>
6666
6667         PR middle-end/20622
6668         * cgraph.h (struct cgraph_varpool_node): Add alias field.
6669         * cgraph.c (cgraph_varpool_assemble_pending_decls): Don't call
6670         assemble_variable on aliases.
6671         * varasm.c (assemble_alias): Set node->alias.
6672         * toplev.c (wrapup_global_declarations): Don't call
6673         rest_of_decl_compilation on aliases again.
6674
6675 2005-03-29  Paul Brook  <paul@codesourcery.com>
6676
6677         * config/arm/arm-protos.h (arm_dbx_register_number): Add prototype.
6678         * config/arm/arm.c (arm_dbx_register_number): New function.
6679         * config/arm/arm.h (IS_FPA_REGNUM, DBX_REGISTER_NUMBER): Define.
6680
6681 2005-03-29  Eric Botcazou  <ebotcazou@libertysurf.fr>
6682
6683         PR middle-end/20263
6684         * varasm.c (make_decl_rtl) [ASM_DECLARE_REGISTER_GLOBAL]: Use
6685         the DECL_NAME, not the DECL_ASSEMBLER_NAME.
6686
6687 2005-03-29  Dale Johannesen <dalej@apple.com>
6688
6689         * Makefile.in (value-prof.o): New dependencies on $(DIAGNOSTIC_H)
6690         $(TREE_H) and $(COVERAGE_H).
6691         * coverage.c (compute_checksum): Use DECL_NAME not DECL_ASSEMBLER_NAME.
6692         * opts.c (common_handle_option): Enable tree-based value transforms.
6693         * toplev.c (process_options): Ditto.
6694         * value-prof.h (struct histogram_value_t): Redefine. "Adjust" below
6695         refers to references to this type.
6696         * tree-flow.h: (struct stmt_ann_d): Add histograms field.
6697         * rtl-profile.c (rtl_gen_interval_profiler): Adjust. Remove checks
6698         for may_be_more, may_be_less.
6699         (rtl_gen_pow2_profiler): Adjust.
6700         (rtl_gen_one_value_profiler_no_edge_manip): Adjust.
6701         (rtl_gen_one_value_profiler): Adjust.
6702         (rtl_gen_const_delta_profiler): Adjust.
6703         * tree-profile.c (tree_gen_interval_profiler): Implement.
6704         (tree_gen_pow2_profiler): Ditto.
6705         (tree_gen_one_value_profiler): Ditto.
6706         (tree_profiling): New.
6707         (pass_tree_profile): Reference it.
6708         * value-prof.c: Include tree-flow.h, tree-flow-inline.h, diagnostic.h,
6709         tree.h, gcov-io.h.
6710         (insn_divmod_values_to_profile): Rename to
6711         rtl_divmod_values_to_profile. Adjust.
6712         (insn_values_to_profile): Rename to rtl_values_to_profile. Adjust.
6713         (insn_prefetch_values_to_profile): Adjust.
6714         (rtl_value_profile_transformations): Adjust.
6715         (gen_divmod_fixed_value): Rename to rtl_divmod_fixed_value.
6716         (gen_mod_pow2): Rename to rtl_mod_pow2.
6717         (gen_mod_subtract): Rename to rtl_mod_subtract.
6718         (divmod_fixed_value_transform): Rename to
6719         rtl_divmod_fixed_value_transform.
6720         (mod_pow2_value_transform): Rename to rtl_mod_pow2_value_transform.
6721         (mod_subtract_transform): Rename to rtl_mod_subtract_transform.
6722         (rtl_find_values_to_profile): Adjust.
6723         (tree_value_profile_transformations): Implement.
6724         (tree_divmod_values_to_profile): New.
6725         (tree_values_to_profile): New.
6726         (tree_divmod_fixed_value): New.
6727         (tree_mod_pow2): New.
6728         (tree_mod_subtract): New.
6729         (tree_divmod_fixed_value_transform): New.
6730         (tree_mod_pow2_value_transform): New.
6731         (tree_mod_subtract_transform): New.
6732         (tree_find_values_to_profile): Implement.
6733         * profile.c (instrument_values):  Free histograms.
6734         (compute_value_histograms): Adjust. Implement tree version.
6735
6736 2005-03-29  Uros Bizjak  <uros@kss-loka.si>
6737
6738         * reg-stack.c (subst_stack_regs_pat): Handle <UNSPEC_FIST> case.
6739         * config/i386/i386.c (output_fix_trunc): Add new round_mode
6740         variable.  Output "fldcw" depending on round_mode.
6741         * config/i386/i386.md (UNSPEC_FIST): New.
6742         (fistdi2, fistdi2_with_temp, fist<mode>2, fist<mode>2_with_temp):
6743         New isns patterns to implement lrint and llrint built-ins as x87
6744         intrinsic function.
6745         (fistdi2, fist<mode>2 splitters): New splitters.
6746         (lrint<mode>2): New expanders.
6747
6748 2005-03-28  Ian Lance Taylor  <ian@airs.com>
6749
6750         * config/arc/arc.c (arc_output_function_epilogue): Pass prescan as
6751         0 when calling final_scan_insn.
6752
6753 2005-03-28  Jan Hubicka  <jh@suse.cz>
6754
6755         PR middle-end/20635
6756         * varasm.c (mark_decl_referenced): Do not mark extern inline functions
6757         as needed.
6758
6759         * tree-inline.c (estimate_num_insns_1): Use declaration to discover argument
6760         types where possible.
6761
6762 2005-03-26  Per Bothner  <per@bothner.com>
6763
6764         Make -f[no-]show-column also control non-cpp diagnostics.
6765         * c.opt (fshow-column): Move option from here ...
6766         * common.opt (fshow-column): ... to here.
6767         * diagnostic.c (diagnostic_build_prefix): Only print column number
6768         if flag_show_column.
6769
6770 2005-03-27  Steven Bosscher  <stevenb@suse.de>
6771
6772         * vax-protos.h (vax_output_int_move, vax_output_int_add,
6773         vax_output_conditional_branch): New prototypes.
6774         * vax.c (vax_output_int_move, vax_output_int_add): New functions,
6775         extracted from vax.md mov and add patterns.
6776         (vax_output_conditional_branch): New function to output conditional
6777         branch instructions.
6778         * vax.md: Use mode macros for arithmetic and mov patterns.
6779         Use code macros for the jump patterns.
6780
6781 2005-03-26  Andrew Pinski  <pinskia@physics.uc.edu>
6782
6783         * Makefile.in (libbackend.o): Depend on version files;
6784         add custom generation command.
6785
6786 2005-03-26  Andrew Pinski  <pinskia@physics.uc.edu>
6787
6788         PR target/20636
6789         * config/rs6000/rs6000.md (extendsfdf2_fpr): Check to make
6790         sure that we have a REG before getting its REGNO.
6791
6792 2005-03-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6793
6794         * builtin-types.def (BT_FN_STRING_CONST_STRING_SIZE): New.
6795         * builtins.def (BUILT_IN_STRNDUP): New.
6796
6797 2005-03-25  Pat Haugen  <pthaugen@us.ibm.com>
6798
6799         PR tree-optimization/20470
6800         * fold-const.c (fold_cond_expr_with_comparison): Recognize/fold
6801         ABS(x-y).
6802
6803 2005-03-25  Mike Stump  <mrs@apple.com>
6804
6805         * config/darwin.h (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Don't allow 0
6806         sized objects.
6807
6808 2005-03-25  Geoffrey Keating  <geoffk@apple.com>
6809
6810         * config/rs6000/darwin-fallback.c: Don't include <ucontext.h>.
6811         Use our own structure definitions.
6812
6813         * config/rs6000/rs6000.md (UNSPEC constants): Add UNSPEC_STFIWX.
6814         (fix_truncdfsi2): Allow registers or memory as destination.
6815         When TARGET_PPC_GFXOPT, generate simplified pattern.
6816         (fix_truncdfsi2_internal): Use define_insn_and_split.
6817         (fix_truncdfsi2_internal_gfxopt): New.
6818         (fctiwz): Don't confuse register allocation by giving it no choices.
6819         (stfiwx): New.
6820         * config/rs6000/rs6000.h (EXTRA_CONSTRAINT): Add 'Z'.
6821         (EXTRA_MEMORY_CONSTRAINT): Likewise.
6822         * config/rs6000/rs6000.c (indexed_or_indirect_operand): New.
6823         * config/rs6000/rs6000-protos.h (indexed_or_indirect_operand): New.
6824
6825 2005-03-25  Kazu Hirata  <kazu@cs.umass.edu>
6826
6827         * dominance.c (free_dominance_info): Speed up by freeing et
6828         data structures without maintaining other nodes.
6829         * et-forest.c (et_free_tree_force): New.
6830         * et-forest.h: Add a prototype for et_free_tree_force.
6831
6832         * tree.c (get_set_constructor_bits,
6833         get_set_constructor_bytes): Remove.
6834         * tree.h: Remove the corresponding prototypes.
6835
6836 2005-03-25  John David Anglin  <dave.anglin@nrc-crnc.gc.ca>
6837
6838         PR target/15491
6839         * vax.c (vax_rtx_costs_1): Merge with vax_rtx_costs.
6840         (vax_rtx_costs): Return false when passed unsupported rtx's.  Handle
6841         FLOAT_EXTEND, FLOAT_TRUNCATE and TRUNCATE.  Fix costs for POST_INC,
6842         PRE_DEC, NEG and NOT.
6843
6844 2005-03-25  Kazu Hirata  <kazu@cs.umass.edu>
6845
6846         * fold-const.c: Convert uses of fold (build (...)) to
6847         fold_buildN.
6848
6849 2005-03-25  Zdenek Dvorak  <dvorakz@suse.cz>
6850
6851         PR rtl-optimization/20249
6852         * cse.c (insert_regs): Do not record equivalence of registers in
6853         different modes.
6854
6855 2005-03-24  Kazu Hirata  <kazu@cs.umass.edu>
6856
6857         * emit-rtl.c (reverse_comparison): Remove.
6858         * rtl.h: Remove the corresponding prototype.
6859
6860 2005-03-24  James E Wilson  <wilson@specifixinc.com>
6861
6862         * doc/install.texi (--enable-altivec): Delete docs.
6863
6864 2005-03-24  David Edelsohn  <edelsohn@gnu.org>
6865
6866         * config/rs6000/predicates.md (easy_fp_constant): Return 0 for
6867         SFmode and DFmode before reload when
6868         flag_unsafe_math_optimizations not enabled.
6869
6870 2005-03-24  Geoffrey Keating  <geoffk@apple.com>
6871
6872         * c.opt (fvisibility-inlines-hidden): Allow for ObjC++.
6873
6874         * config/i386/darwin.h (TARGET_SUBTARGET_DEFAULT): Add
6875         MASK_128BIT_LONG_DOUBLE, MASK_ALIGN_DOUBLE.
6876
6877 2005-03-24  Nathan Sidwell  <nathan@codesourcery.com>
6878
6879         * configure.ac (enable-checking): Add 'runtime' option.
6880         * doc/install.texi (enable-checking): Document 'runtime' checking.
6881         * tsystem.h (gcc_assert, gcc_unreachable): Define.
6882         * config.in: Regenerated.
6883         * configure: Regenerated.
6884
6885 2005-03-23  Uros Bizjak  <uros@kss-loka.si>
6886
6887         * optabs.h (enum optab_index): Remove OTI_llrint.
6888         (llrint_optab): Remove macro.
6889         * optabs.c (init_optabs): Remove llrint_optab initialization.
6890         * genopinit.c (optabs): Remove llrint_optab implementation.
6891         * builtins.c (expand_builtin_mathfn): Handle BUILT_IN_LLRINT{,F,L}
6892         using lrint_optab.
6893
6894 2005-03-24  Alexandre Oliva  <aoliva@redhat.com>
6895
6896         PR rtl-optimization/20532
6897         * simplify-rtx.c (simplify_binary_operation_1): Protect from
6898         overflow when adding coefficients for PLUS or MINUS.
6899         (simplify_binary_operation_1): Handle CONST_DOUBLE exact power of
6900         two as multiplier.
6901
6902 2005-03-23  Joseph S. Myers  <joseph@codesourcery.com>
6903
6904         * langhooks.h (truthvalue_conversion): Remove.
6905         * langhooks-def.h (LANG_HOOKS_INITIALIZER): Remove
6906         LANG_HOOKS_TRUTHVALUE_CONVERSION.
6907         * system.h (LANG_HOOKS_TRUTHVALUE_CONVERSION): Poison.
6908         * gimplify.c (gimple_boolify): Don't use truthvalue_conversion.
6909         * c-objc-common.h (LANG_HOOKS_TRUTHVALUE_CONVERSION): Remove.
6910
6911 2005-03-23  Kazu Hirata  <kazu@cs.umass.edu>
6912
6913         * params.def: Fix a typo.
6914         * config/mips/mips.c: Follow the spelling convensions.
6915         * doc/invoke.texi: Fix typos.
6916
6917 2005-03-23  Daniel Berlin  <dberlin@dberlin.org>
6918
6919         Fix PR tree-optimization/20601
6920
6921         * tree-ssa-pre.c (insert_aux): Add missing condition to
6922         constification.
6923
6924 2005-03-23  Ian Lance Taylor  <ian@airs.com>
6925
6926         * final.c (final_scan_insn): Don't remove no-op instructions.
6927         * reload1.c (reload): Remove simple no-op instructions even when
6928         not optimizing.
6929
6930 2005-03-23  Dorit Naishlos  <dorit@il.ib.com>
6931
6932         PR tree-optimization/20501
6933         * tree-vect-analyze.c (vect_enhance_data_refs_alignment): Debug print
6934         reporting that peeling for alignment is applied moved to...
6935         * (vect_analyze_data_refs_alignment): Here.
6936
6937 2005-03-23  Ian Lance Taylor  <ian@airs.com>
6938
6939         * reorg.c (dbr_schedule): Remove #if 0 code to call final.
6940
6941 2005-03-23  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
6942
6943         * config.gcc (alpha*-dec-osf[45]*): Remove target_cpu_default.
6944         Define TARGET_SUPPORT_ARCH except on Tru64 UNIX V4.0A.
6945
6946 2005-03-23  Hans-Peter Nilsson  <hp@axis.com>
6947
6948         * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Adjust wording to not
6949         imply that this is called once, independent of asms in code.
6950         Adjust to now being pased output and input lists.  Mention helper
6951         function decl_overlaps_hard_reg_set_p.
6952         * hooks.c (hook_tree_tree_tree_tree_3rd_identity): Rename from
6953         hook_tree_tree_identity and to take three trees, returning third.
6954         * hooks.h (hook_tree_tree_tree_tree_3rd_identity): Adjust the
6955         prototype.
6956         * stmt.c: include hard-reg-set.h before tree.h.
6957         (decl_overlaps_hard_reg_set_p): New function, broken out from...
6958         (decl_conflicts_with_clobbers_p): Call
6959         decl_overlaps_hard_reg_set_p.
6960         (expand_asm_operands): Pass output and input lists in call to
6961         targetm.md_asm_clobbers.
6962         * target-def.h (TARGET_MD_ASM_CLOBBERS): Define as
6963         hook_tree_tree_tree_tree_3rd_identity.
6964         * target.h (struct gcc_target.md_asm_clobbers): Take three tree
6965         parameters.
6966         * tree.h [HARD_CONST] (decl_overlaps_hard_reg_set_p): Prototype.
6967         * config/i386/i386.c (ix86_md_asm_clobbers): Adjust to three
6968         parameters, first two unused.
6969         * config/cris/cris.c (cris_md_asm_clobbers): Adjust to added
6970         parameters.  Only add MOF to clobbers if there's no 'h' mentioned
6971         in constraint letters and MOF is not mentioned as a asm-declared
6972         register in neither of the input and output lists.
6973
6974 2005-03-23  DJ Delorie  <dj@redhat.com>
6975
6976         * optabs.c (expand_binop): Make sure the first subword's result
6977         gets stored.
6978
6979 2005-03-23  Joseph S. Myers  <joseph@codesourcery.com>
6980
6981         * c-common.c (c_common_truthvalue_conversion): Adjust comment.
6982         Call c_common_truthvalue_conversion rather than
6983         lang_hooks.truthvalue_conversion.
6984         * c-convert.c (convert): Call c_objc_common_truthvalue_conversion.
6985         * c-objc-common.c (c_objc_common_truthvalue_conversion): Move to
6986         c-typeck.c.
6987         * c-objc-common.h (LANG_HOOKS_TRUTHVALUE_CONVERSION): Change to
6988         c_common_truthvalue_conversion.
6989         * c-parser.c (c_parser_paren_condition, c_parser_for_statement,
6990         c_parser_conditional_expression, c_parser_binary_expression): Call
6991         c_objc_common_truthvalue_conversion.
6992         * c-typeck.c (build_unary_op): Call
6993         c_objc_common_truthvalue_conversion.
6994         (build_conditional_expr): Do not call
6995         lang_hooks.truthvalue_conversion.
6996         (build_binary_op): Call c_common_truthvalue_conversion.
6997         (c_objc_common_truthvalue_conversion): Moved from
6998         c-objc-common.c.  Call default_function_array_conversion instead
6999         of default_conversion.
7000
7001 2005-03-23  Joseph S. Myers  <joseph@codesourcery.com>
7002
7003         * c-common.h (default_conversion): Remove.
7004         (perform_integral_promotions): Add.
7005         * c-tree.h (default_conversion): Add.
7006         * c-typeck.c (perform_integral_promotions): New, split out from
7007         default_conversion.
7008         * c-common.c (check_case_value): Use perform_integral_promotions,
7009         not default_conversion.
7010         (c_add_case_label): Don't continue processing case label after
7011         found to be pointer.
7012
7013 2005-03-23  Mark Mitchell  <mark@codesourcery.com>
7014
7015         * gcc.c (do_spec_1): Do not add a -L path for a directory in
7016         the prefix list if we have already added a multilib directory
7017         based on that path.
7018         (main): Do not add MD_EXEC_PREFIX to the list of directories to
7019         search with -L.
7020
7021 2005-03-22  Kazu Hirata  <kazu@cs.umass.edu>
7022
7023         * reload1.c (indirect_symref_ok, reload_obstack): Make them
7024         static.
7025         * reload.h: Remove the prototype for indirect_symref_ok.
7026
7027         * reload1.c (indirect_symref_ok): Make it global.
7028         * reload.h: Add a prototype for indirect_symref_ok.
7029
7030 2005-03-22  Kaz Kojima  <kkojima@gcc.gnu.org>
7031
7032         * config/sh/sh.md (ashlhi3): Rename to *ashlhi3_n and add a new
7033         ashlhi3 expander.
7034
7035 2005-03-22  Tobias Schl"uter  <tobias.schlueter@physik.uni-muenchen.de>
7036
7037         * tree.h (DECL_IGNORED_P, DECL_IN_SYSTEM_HEADER): Clarify comments.
7038
7039 2005-03-22  Daniel Berlin  <dberlin@dberlin.org>
7040
7041         * c-opts.c (c_common_parse_file): Only start/end main source file
7042         if debug hooks says the writer wants it.
7043         * dbxout.c (dbx_debug_hooks): Add start_end_main_source_file
7044         member.
7045         (xcoff_debug_hooks): Ditto.
7046         * debug.c (do_nothing_hooks): Ditto.
7047         * debug.h (gcc_debug_hooks): Ditto.
7048         * dwarf2out.c (dwarf2_debug_hooks): Ditto.
7049         * sdbout.c (sdb_debug_hooks): Ditto.
7050         * vmsdbgout.c (vmsdbg_debug_hooks): Ditto.
7051
7052 2005-03-22  Mark Mitchell  <mark@codesourcery.com>
7053
7054         * doc/extend.texi: Deprecate C++ min/max operators.
7055
7056 2005-03-22  Zdenek Dvorak  <dvorakz@suse.cz>
7057
7058         * tree-ssa-loop-ivopts.c (determine_iv_cost): Do not try to preserve
7059         artificial original candidates.
7060
7061 2005-03-22  Richard Guenther <rguenth@tat.physik.uni-tuebingen.de>
7062             Jan Hubicka  <jh@suse.cz>
7063             Steven Bosscher <stevenb@suse.de>
7064
7065         * cgraphunit.c (cgraph_estimate_size_after_inlining): Compute
7066         call cost based on argument sizes.
7067         (cgraph_mark_inline_edge): Avoid inline unit from shrinking by
7068         inlining.
7069         * params.def: (max-inline-inssn-single): Set to 450.
7070         (max-inline-insns-auto): Set to 90.
7071         (max-inline-insns-recursive): Set to 450
7072         (max-inline-insns-recursive-auto): Set to 450.
7073         (large-function-insns): Set to 2700.
7074         (inline-call-cost): New parameter.
7075         * tree-inline.c (estimate_move_cost): New function.
7076         (estimate_num_insns_1): Compute move sizes costs by estimate_move_cost
7077         for non-gimple-regs, set cost to 0 for gimple-regs.  Compute call size
7078         based on arguments.
7079         * tree-inline.h (estimate_move_cost): Declare.
7080         * invoke.texi: (max-inline-inssn-single): Change default to 450.
7081         (max-inline-insns-auto): Change default to 90.
7082         (max-inline-insns-recursive): Change default to 450
7083         (max-inline-insns-recursive-auto): Change default to 450.
7084         (large-function-insns): Change default to 2700.
7085         (inline-call-cost): Document new parameter.
7086
7087 2005-03-22  Richard Sandiford  <rsandifo@redhat.com>
7088
7089         * config/i860/i860.h (target_flags, TARGET_XP, TARGET_SWITCHES)
7090         (TARGET_DEFAULT): Delete.
7091         * config/i860/i860.opt: New file.
7092
7093 2005-03-22  Richard Sandiford  <rsandifo@redhat.com>
7094
7095         * config/frv/frv-protos.h (frv_branch_cost_string, frv_branch_cost_int)
7096         (frv_cpu_string, frv_condexec_insns_str, frv_condexec_insns)
7097         (frv_condexec_temps_str, frv_condexec_temps, frv_sched_lookahead_str)
7098         (frv_sched_lookahead): Delete.
7099         * config/frv/frv.h (MASK_DEFAULT_ALLOC_CC): Move to frv.c.
7100         (target_flags, MASK_GPR_32, MASK_FPR_32, MASK_SOFT_FLOAT)
7101         (MASK_ALLOC_CC, MASK_DWORD, MASK_DOUBLE, MASK_MEDIA, MASK_MULADD)
7102         (MASK_LIBPIC, MASK_ACC_4,  MASK_PACK, MASK_LONG_CALLS)
7103         (MASK_ALIGN_LABELS, MASK_LINKED_FP, MASK_BIG_TLS, MASK_DEBUG_ARG)
7104         (MASK_DEBUG_ADDR, MASK_DEBUG_STACK, MASK_DEBUG, MASK_DEBUG_LOC)
7105         (MASK_DEBUG_COND_EXEC, MASK_NO_COND_MOVE, MASK_NO_SCC)
7106         (MASK_NO_COND_EXEC, MASK_NO_VLIW_BRANCH, MASK_NO_MULTI_CE)
7107         (MASK_FDPIC, MASK_INLINE_PLT, MASK_GPREL_RO, MASK_DEFAULT)
7108         (TARGET_GPR_32, TARGET_FPR_32, TARGET_SOFT_FLOAT, TARGET_ALLOC_CC)
7109         (TARGET_DWORD, TARGET_DOUBLE, TARGET_MEDIA, TARGET_MULADD)
7110         (TARGET_LIBPIC, TARGET_ACC_4, TARGET_DEBUG_ARG, TARGET_DEBUG_ADDR)
7111         (TARGET_DEBUG_STACK, TARGET_DEBUG, TARGET_DEBUG_LOC)
7112         (TARGET_DEBUG_COND_EXEC, TARGET_NO_COND_MOVE, TARGET_NO_SCC)
7113         (TARGET_NO_COND_EXEC, TARGET_NO_VLIW_BRANCH, TARGET_NO_MULTI_CE)
7114         (TARGET_NO_NESTED_CE, TARGET_FDPIC, TARGET_INLINE_PLT, TARGET_BIG_TLS)
7115         (TARGET_GPREL_RO, TARGET_PACK, TARGET_LONG_CALLS, TARGET_ALIGN_LABELS)
7116         (TARGET_LINKED_FP, TARGET_GPR_64, TARGET_FPR_64, TARGET_HARD_FLOAT)
7117         (TARGET_FIXED_CC, TARGET_COND_MOVE, TARGET_SCC, TARGET_COND_EXEC)
7118         (TARGET_VLIW_BRANCH, TARGET_MULTI_CE, TARGET_NESTED_CE, TARGET_ACC_8)
7119         (TARGET_SWITCHES, TARGET_OPTIONS, DEFAULT_CONDEXEC_TEMPS)
7120         (DEFAULT_BRANCH_COST, DEFAULT_CONDEXEC_INSNS): Delete.
7121         * config/frv/frv.c (frv_branch_cost_string, frv_branch_cost_int)
7122         (frv_cpu_string, frv_condexec_insns_str, frv_condexec_insns)
7123         (frv_condexec_temps_str, frv_condexec_temps, frv_sched_lookahead_str)
7124         (frv_sched_lookahead): Delete.
7125         (MASK_DEFAULT_ALLOC_CC): Moved from frv.h.
7126         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
7127         (frv_handle_option): New function.  Move -mcpu= handling from...
7128         (frv_override_options): ...here.  Remove handling of other
7129         TARGET_OPTIONS.
7130         (frv_ifcvt_modify_tests): Check !TARGET_COND_EXEC instead of
7131         TARGET_NO_COND_EXEC and !TARGET_NESTED_CE to TARGET_NO_NESTED_CE.
7132         (frv_ifcvt_modify_multiple_tests): Likewise !TARGET_MULTI_CE
7133         and TARGET_NO_MULTI_CE.
7134         (frv_for_each_packet): Likewise TARGET_NO_VLIW_BRANCH and
7135         !TARGET_VLIW_BRANCH.
7136         * config/frv/frv.opt: New file.
7137
7138 2005-03-22  Kazu Hirata  <kazu@cs.umass.edu>
7139
7140         * fold-const.c (fold_ternary): Take decomposed arguments of
7141         CALL_EXPR.
7142         (fold): Update a call to fold_ternary.
7143
7144         * fold-const.c (fold_build1, fold_build2, fold_build3): New.
7145         * tree.h: Add corresponding prototypes.
7146
7147 2005-03-22  Jakub Jelinek  <jakub@redhat.com>
7148
7149         PR target/20561
7150         * cfglayout.c (reemit_insn_block_notes): Don't put block notes in
7151         between jump table and its label.
7152         * final.c (shorten_branches): Handle notes in between ADDR_VEC
7153         resp. ADDR_DIFF_VEC and the label preceeding it.
7154         (final_scan_insn): Likewise.  Ensure ADDR_VEC resp. ADDR_DIFF_VEC
7155         is emitted in the right section.
7156
7157 2005-03-22  Kazu Hirata  <kazu@cs.umass.edu>
7158
7159         * fold-const.c (fold_unary, fold_binary): Update comments
7160         about arguments.
7161
7162 2005-03-22  Hans-Peter Nilsson  <hp@axis.com>
7163
7164         PR rtl-optimization/20527
7165         * combine.c (can_combine_p) [AUTO_INC_DEC]: When INSN has an
7166         REG_INC note, test that the register also isn't mentioned in PRED
7167         or SUCC.
7168
7169 2005-03-22  Ben Elliston  <bje@au.ibm.com>
7170
7171         * dwarf2out.c (dwarf_type_encoding_name): Remove unused prototype
7172         and definition.
7173
7174 2005-03-21  Mike Stump  <mrs@apple.com>
7175
7176         * varasm.c (default_assemble_visibility): Remove extra ().
7177
7178 2005-03-21  Roger Sayle  <roger@eyesopen.com>
7179
7180         PR middle-end/20557
7181         * bb-reorder.c (duplicate_computed_gotos): Use can_duplicate_block_p
7182         to determine whether a block can be duplicated, rather than test
7183         whether the block contains noncopyable insns ourselves.
7184
7185 2005-03-21  Kazu Hirata  <kazu@cs.umass.edu>
7186
7187         * config/i860/i860.h (PREDICATE_CODES): Remove nonexistent
7188         predicates.
7189
7190 2005-03-21  Richard Sandiford  <rsandifo@redhat.com>
7191
7192         * config/ip2k/ip2k.h (target_flags, TARGET_SWITCHES): Delete.
7193
7194 2005-03-21  Richard Sandiford  <rsandifo@redhat.com>
7195
7196         * config/fr30/fr30.h (TARGET_SMALL_MODEL_MASK, TARGET_SMALL_MODEL)
7197         (TARGET_DEFAULT, target_flags, TARGET_SWITCHES): Delete.
7198         * config/fr30/fr30.opt: New file.
7199
7200 2005-03-18  Daniel Berlin  <dberlin@dberlin.org>
7201
7202         Fix PR tree-optimization/20542
7203
7204         * tree-flow-inline.h (overlap_subvar): Move to here.
7205         * tree-ssa-operands.c: From here.
7206         * tree-flow.h (overlap_subvar): Declare.
7207         * tree-ssa-alias.c (add_pointed_to_var): Use overlap_subvar here.
7208         * tree-ssa-loop-im.c (is_call_clobbered_ref): Return proper answer
7209         for variables with subvars.
7210
7211 2005-03-21 Mostafa Hagog <mustafa@il.ibm.com>
7212
7213         PR middle-end/20177
7214         * ddg.c (create_ddg_dependence): Ignore reg-anti dependency.
7215         * modulo-sched.c (const_iteration_count): Return on NULL
7216         pre-header.
7217         (print_node_sched_params): Return on NULL dump_file.
7218         (generate_reg_moves): Handle reg-anti dependencies and disregard
7219         closing branch when generating register moves.
7220         (sms_schedule): Mark the SMSed block dirty.
7221         * passes.c (rest_of_handle_sms): Call update_life_info for all
7222         basic-blocks.
7223         * testsuite/gcc.dg/20050321-1.c: New test.
7224
7225 2005-03-21  Bob Wilson  <bob.wilson@acm.org>
7226
7227         * config/xtensa/lib1funcs.asm (__mulsi3): Use symbolic name for ACCLO.
7228         * config/xtensa/xtensa.md (movsi_internal, movhi_internal,
7229         movqi_internal): Likewise.
7230
7231 2005-03-21  Bob Wilson  <bob.wilson@acm.org>
7232
7233         * config/xtensa/xtensa-protos.h: (xtensa_simm7, xtensa_uimm8,
7234         xtensa_uimm8x2, xtensa_uimm8x4, xtensa_ai4const, xtensa_lsi4x4,
7235         xtensa_b4const): Delete prototypes.
7236         (xtensa_simm8, xtensa_simm8x256, xtensa_simm12b, xtensa_b4constu,
7237         xtensa_mask_immediate, xtensa_mem_offset): Update prototypes.
7238         (xtensa_b4const_or_zero, xtensa_const_ok_for_letter_p,
7239         xtensa_extra_constraint): New prototypes.
7240         (add_operand, arith_operand, nonimmed_operand, mem_operand,
7241         mask_operand, extui_fldsz_operand, sext_operand, sext_fldsz_operand,
7242         lsbitnum_operand, branch_operand, ubranch_operand, call_insn_operand,
7243         move_operand, const_float_1_operand, fpmem_offset_operand,
7244         branch_operator, ubranch_operator, boolean_operator): Delete prototypes.
7245         * config/xtensa/xtensa.c (b4const_or_zero): Rename to ...
7246         (xtensa_b4const_or_zero): ...this.  Change return type to bool and
7247         argument type to HOST_WIDE_INT.
7248         (xtensa_simm8, xtensa_simm8x256, xtensa_simm12b,
7249         xtensa_mask_immediate): Likewise.
7250         (xtensa_uimm8, xtensa_uimm8x2, xtensa_uimm8x4, xtensa_b4const):
7251         Likewise.  Also make these functions static.
7252         (xtensa_simm7, xtensa_ai4const, xtensa_lsi4x4): Delete.
7253         (xtensa_const_ok_for_letter_p): New.
7254         (add_operand, arith_operand, nonimmed_operand, mem_operand,
7255         mask_operand, extui_fldsz_operand, sext_operand, sext_fldsz_operand,
7256         lsbitnum_operand, branch_operand, ubranch_operand, call_insn_operand,
7257         move_operand, const_float_1_operand, fpmem_offset_operand,
7258         branch_operator, ubranch_operator, boolean_operator): Move to
7259         predicates.md.
7260         (smalloffset_mem_p): Inline code from xtensa_lsi4x4.
7261         (xtensa_mem_offset): Change return type to bool.
7262         (xtensa_extra_constraint): New.
7263         (gen_int_relational): Update type of const_range_p function pointer.
7264         Use xtensa_b4const_or_zero.
7265         * config/xtensa/xtensa.h (CONST_OK_FOR_LETTER_P): Define to
7266         xtensa_const_ok_for_letter_p.  Update comments.
7267         (EXTRA_CONSTRAINT): Define to xtensa_extra_constraint.
7268         (PREDICATE_CODES): Delete.
7269         * config/xtensa/xtensa.md: Include predicates.md.
7270         * config/xtensa/predicates.md: New file.
7271
7272 2005-03-21  Kazu Hirata  <kazu@cs.umass.edu>
7273
7274         * config/v850/v850-protos.h: Remove the prototypes for
7275         reg_or_int9_operand, reg_or_const_operand,
7276         pattern_is_ok_for_prepare, pattern_is_ok_for_dispose,
7277         reg_or_0_operand, reg_or_int5_operand, call_address_operand,
7278         movsi_source_operand, power_of_two_operand,
7279         not_power_of_two_operand, special_symbolref_operand,
7280         pattern_is_ok_for_prologue, pattern_is_ok_for_epilogue, and
7281         register_is_ok_for_epilogue.
7282         * config/v850/v850.c (reg_or_0_operand, reg_or_int5_operand,
7283         reg_or_int9_operand, reg_or_const_operand,
7284         call_address_operand, special_symbolref_operand,
7285         movsi_source_operand, power_of_two_operand,
7286         not_power_of_two_operand, register_is_ok_for_epilogue,
7287         pattern_is_ok_for_epilogue, pattern_is_ok_for_prologue,
7288         pattern_is_ok_for_dispose, pattern_is_ok_for_prepare): Move to
7289         predicates.md.
7290         * config/v850/v850.h (PREDICATE_CODES): Remove.
7291         * config/v850/v850.md: Include predicates.md.
7292         * config/v850/predicates.md: New.
7293
7294 2005-03-21  Zack Weinberg  <zack@codesourcery.com>
7295
7296         * Makefile.in (BASEVER, DEVPHASE, DATESTAMP)
7297         (BASEVER_c, DEVPHASE_c, DATESTAMP_c)
7298         (BASEVER_s, DEVPHASE_s, DATESTAMP_s, version): Set with :=.
7299         (itoolsdir, itoolsdatadir): Move definition above new first use.
7300         (install-itoolsdirs): New rule.
7301         (install-mkheaders): Depend on install-itoolsdirs, not
7302         install-include-dir.
7303
7304 2005-03-21  Kazu Hirata  <kazu@cs.umass.edu>
7305
7306         * tree-into-ssa.c: Remove obsolete comments.
7307
7308 2005-03-21  Richard Guenther  <rguenth@gcc.gnu.org>
7309
7310         * tree-ssa-loop.c (gate_tree_complete_unroll): Run complete
7311         unrolling if -fpeel-loops is specified, too.
7312         * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely):
7313         Remove superfluous check for flag_unroll_loops.
7314
7315 2005-03-21  Uros Bizjak  <uros@kss-loka.si>
7316
7317         * optabs.h (enum optab_index): Add new OTI_lrint and OTI_llrint.
7318         (lrint_optab, llrint_optab): Define corresponding macros.
7319         * optabs.c (init_optabs): Initialize lrint_optab and llrint_optab.
7320         * genopinit.c (optabs): Implement lrint_optab using lrintsi2
7321         pattern and llrint_optab using llrintdi2 patterns.
7322         * builtins.c (expand_builtin_mathfn): Handle BUILT_IN_LRINT{,F,L}
7323         using lrint_optab and BUILT_IN_LLRINT{,F,L} using llrint_optab.
7324         (expand_builtin): Expand BUILT_IN_LRINT{,F,L} and
7325         BUILT_IN_LLRINT{,F,L} using expand_builtin_mathfn if
7326         flag_unsafe_math_optimizations is set.
7327
7328 2005-03-21  Paolo Bonzini  <bonzini@gnu.org>
7329
7330         * combine.c (combine_simplify_rtx, simplify_if_then_else,
7331         simplify_logical, if_then_else_cond, known_cond,
7332         simplify_comparison): Adjust calls to reverse_comparison.
7333         Don't use combine_reversed_comparison_code).
7334         (combine_reversed_comparison_code): Remove.
7335         (reversed_comparison): Using reversed_comparison_code, move it...
7336         * jump.c (reversed_comparison): ... here.
7337         * rtl.h (reversed_comparison): Add prototype.
7338
7339 2005-03-21  Kazu Hirata  <kazu@cs.umass.edu>
7340
7341         * builtins.c (fold_builtin): Take decomposed arguments of
7342         CALL_EXPR.
7343         * fold-const.c (fold_ternary): Update a call to fold_builtin.
7344         * gimplify.c (gimplify_call_expr): Likewise.
7345         * tree-ssa-ccp.c (ccp_fold, ccp_fold_builtin): Likewise.
7346         * tree.h: Update the prototype of fold_builtin.
7347
7348 2005-03-21  Paolo Bonzini  <bonzini@gnu.org>
7349
7350         * rtl.h (struct rtx_hooks): Add gen_lowpart_no_emit.
7351         * rtlhooks.c (gen_lowpart_no_emit_general): New.
7352         * rtlhooks-def.h (gen_lowpart_no_emit_general): Declare.
7353         (RTL_HOOKS_GEN_LOWPART_NO_EMIT): New.
7354         * simplify-rtx.c (simplify_binary_operation_1): Use it.
7355
7356 2005-03-21  Kazu Hirata  <kazu@cs.umass.edu>
7357
7358         * builtins.c (fold_builtin_1): Take decomposed arguments of
7359         CALL_EXPR.
7360         (fold_builtin): Update a call to fold_builtin_1.
7361
7362 2005-03-21  Nathan Sidwell  <nathan@codesourcery.com>
7363
7364         PR other/20564
7365         * gcov.c (output_lines): Only output function block summary when
7366         outputting branch information.
7367         * doc/gcov.texi: Document format of preamble and additional block
7368         information lines.
7369
7370 2005-03-21  Richard Sandiford  <rsandifo@redhat.com>
7371
7372         * libgcc2.h (LIBGCC2_HAS_SF_MODE): New macro.
7373         (LIBGCC2_HAS_DF_MODE, LIBGCC2_HAS_TF_MODE, LIBGCC2_HAS_XF_MODE): Make
7374         the defaults false if BITS_PER_UNIT != 8.
7375         (SFtype, SCtype, __fixsfdi, __floatdisf, __fixunssfSI, __fixunssfDI)
7376         (__powisf2, __divsc3, __mulsc3): Guard with LIBGCC2_HAS_SF_MODE rather
7377         than BITS_PER_UNIT != 8.
7378         (L_fixdfdi, L_fixsfdi, L_fixtfdi, L_fixunsdfdi, L_fixunsdfsi)
7379         (L_fixunssfdi, L_fixunssfsi, L_fixunstfdi, L_fixunsxfdi, L_fixunsxfsi)
7380         (L_fixxfdi, L_floatdidf, L_floatdisf, L_floatditf, L_floatdixf): Remove
7381         #undefs.
7382         * libgcc2.c (__fixunssfDI, __fixsfdi, __floatdisf, __fixunssfSI)
7383         (__powisf2, __divsc3, __mulsc3): Guard with LIBGCC2_HAS_SF_MODE.
7384
7385 2005-03-20  Roger Sayle  <roger@eyesopen.com>
7386
7387         PR middle-end/20539
7388         * fold-const.c (fold_binary): Fix type mismatch between
7389         TRUTH_{AND,OR,XOR}_EXPR nodes an their operands' types.
7390         (fold_binary) <TRUTH_XOR_EXPR>: Avoid calling invert_truthvalue
7391         for non-truth-valued expressions.
7392
7393         * c-common.c (c_common_truthvalue_conversion): Handle ERROR_MARK
7394         and FUNCTION_DECL in the main switch.
7395         <TRUTH_ANDIF_EXPR, TRUTH_ORIF_EXPR, TRUTH_AND_EXPR, TRUTH_OR_EXPR,
7396         TRUTH_XOR_EXPR>: When changing the result type of these tree nodes,
7397         we also need to convert their operands to match.
7398         <TRUTH_NOT_EXPR>: Likewise.
7399
7400 2005-03-21  Joseph S. Myers  <joseph@codesourcery.com>
7401
7402         * c-common.c (lvalue_or_else): Replace by lvalue_error; only give
7403         diagnostic without checking whether an lvalue.
7404         * c-common.h (lvalue_p): Remove.
7405         (enum lvalue_use): Update comment.
7406         (lvalue_or_else): Replace by lvalue_error.
7407         * c-typeck.c (lvalue_p): Make static.
7408         (lvalue_or_else): New.  Call lvalue_error.
7409
7410 2005-03-21  Alan Modra  <amodra@bigpond.net.au>
7411
7412         * config/rs6000/rs6000.c (rs6000_parm_start): New function.
7413         (function_arg_advance): Use rs6000_parm_start.
7414         (function_arg, rs6000_arg_partial_bytes): Likewise.
7415
7416 2005-03-20  Joseph S. Myers  <joseph@codesourcery.com>
7417
7418         * c-common.c (check_case_value): Adjust comment about stripping
7419         NOPs.
7420         (handle_vector_size_attribute): Don't strip NON_LVALUE_EXPR.
7421         * c-typeck.c (default_conversion, convert_arguments,
7422         build_modify_expr, convert_for_assignment, store_init_value,
7423         digest_init): Use STRIP_TYPE_NOPS instead of stripping nops
7424         manually.  Remove inaccurate comments.
7425
7426 2005-03-20  Roger Sayle  <roger@eyesopen.com>
7427             Joseph S. Myers  <joseph@codesourcery.com>
7428
7429         * varasm.c (do_assemble_alias): Restore comment describing function.
7430         Annotate the target parameter as potentially unused.
7431
7432 2005-03-20  Marek Michalkiewicz  <marekm@amelek.gda.pl>
7433
7434         PR target/18551
7435         * config/avr/avr.c (avr_output_function_prologue): Do not use
7436         current_function_name() in a label, use a local label instead.
7437
7438 2005-03-20  David Edelsohn  <edelsohn@gnu.org>
7439
7440         * config/rs6000/rs6000.c (rs6000_generate_compare): Test
7441         flag_finite_math_only, not flag_unsafe_math_optimizations.
7442
7443 2005-03-20  Kazu Hirata  <kazu@cs.umass.edu>
7444
7445         * builtins.c (fold_builtin_1): Update a call to
7446         targetm.fold_builtin.
7447         * hooks.c (hook_tree_tree_bool_null): Rename to
7448         hook_tree_tree_tree_bool_null.  Take one more argument of type
7449         tree.
7450         * hooks.h: Update the prototype of hook_tree_tree_bool_null.
7451         * target-def.h (TARGET_FOLD_BUILTIN): Define it as
7452         hook_tree_tree_tree_bool_null.
7453         * target.h (gcc_target): Update the prototype of fold_builtin.
7454         * config/alpha/alpha.c (alpha_fold_builtin): Take decomposed
7455         arguments of CALL_EXPR.
7456         * doc/tm.texi (TARGET_FOLD_BUILTIN): Update.  Mention the
7457         new prototype.
7458
7459 2005-03-20  Jan Hubicka  <jh@suse.cz>
7460
7461         * cgraph.h (cgraph_node): Add prev_clone pointer.
7462         * cgraph.c (cgraph_remove_node): Remove from doubly linked chain.
7463         (cgraph_clone_node): Produce doubly linked chain.
7464
7465 2005-03-20  Joseph S. Myers  <joseph@codesourcery.com>
7466
7467         * c-common.c (handle_aligned_attribute, check_function_sentinel,
7468         get_nonnull_operand, handle_sentinel_attribute,
7469         check_function_arguments_recurse): Do not strip NOPS from
7470         INTEGER_CSTs.
7471         * c-decl.c (check_bitfield_type_and_width, build_enumerator):
7472         Likewise.
7473         * c-format.c (get_constant): Likewise.
7474         * c-parser.c (c_parser_postfix_expression): Likewise.
7475         * c-typeck.c (set_init_index): Likewise.
7476         (convert_arguments): Don't check for NOP_EXPR containing integer
7477         constant.
7478
7479 2005-03-20  Kazu Hirata  <kazu@cs.umass.edu>
7480
7481         * builtins.c (fold_fixed_mathfn, fold_builtin_trunc,
7482         fold_builtin_floor, fold_builtin_ceil, fold_builtin_lround):
7483         Take decomposed arguments of CALL_EXPR.
7484         (fold_builtin_1): Update calls to the functions mentioned
7485         above.
7486
7487 2005-03-20  Joseph S. Myers  <joseph@codesourcery.com>
7488
7489         * c-decl.c (check_bitfield_type_and_width): Require bit-field
7490         width to have integer type.
7491         (build_enumerator): Require enumerator value to have integer type.
7492
7493 2005-03-19  Joseph S. Myers  <joseph@codesourcery.com>
7494
7495         * doc/extend.texi (__builtin_inf): Move statement about INFINITY
7496         to __builtin_inff.
7497
7498 2005-03-19  Joseph S. Myers  <joseph@codesourcery.com>
7499
7500         * c.opt (ansi, std=iso9899:1990, std=iso9899:1999,
7501         std=iso9899:199x): Correct descriptions.
7502
7503 2005-03-19  Joseph S. Myers  <joseph@codesourcery.com>
7504
7505         * config.gcc: Consistently use solaris2.1[0-9]* instead of
7506         solaris2.1[0-9].
7507
7508 2005-03-19  Kazu Hirata  <kazu@cs.umass.edu>
7509
7510         * builtins.c (fold_builtin_memcpy): Take decomposed arguments
7511         of CALL_EXPR.
7512         (expand_builtin_memcpy, fold_builtin_1): Update calls to
7513         fold_builtin_memcpy.
7514
7515         * builtins.c (fold_trunc_transparent_mathfn): Take decomposed
7516         arguments of CALL_EXPR.
7517         (fold_builtin_trunc, fold_builtin_floor, fold_builtin_ceil,
7518         fold_builtin_found, fold_builtin_1): Update calls to
7519         fold_trunc_transparent_mathfn.
7520
7521 2005-03-19  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
7522
7523         PR middle-end/20493
7524         * fold-const.c (fold_widened_comparison): Don't optimize casts of
7525         function pointers on targets that require function pointer
7526         canonicalization.
7527         (fold_sign_changed_comparison): Likewise.
7528
7529 2005-03-19  Bernd Schmidt  <bernd.schmidt@analog.com>
7530
7531         * combine.c (try_combine): When changing the mode of a hard reg, make
7532         sure that doing so is valid.
7533
7534 2005-03-19  Richard Sandiford  <rsandifo@redhat.com>
7535
7536         * config/avr/avr.c (avr_init_stack, avr_mcu_name): Make static.
7537         (TARGET_HANDLE_OPTION): Override default.
7538         (avr_handle_option): New function.
7539         * config/avr/avr.h (MASK_ALL_DEBUG, MASK_ORDER_1, MASK_INSN_SIZE_DUMP)
7540         (MASK_ORDER_2, MASK_NO_TABLEJUMP, MASK_INT8, MASK_NO_INTERRUPTS)
7541         (MASK_CALL_PROLOGUES, MASK_TINY_STACK, MASK_SHORT_CALLS)
7542         (TARGET_ORDER_1, TARGET_ORDER_2, TARGET_INT8, TARGET_NO_INTERRUPTS)
7543         (TARGET_INSN_SIZE_DUMP, TARGET_CALL_PROLOGUES, TARGET_TINY_STACK)
7544         (TARGET_NO_TABLEJUMP, TARGET_SHORT_CALLS, TARGET_ALL_DEBUG)
7545         (TARGET_SWITCHES, avr_init_stack, avr_mcu_name)
7546         (TARGET_OPTIONS): Delete.
7547         * config/avr/avr.opt: New file.
7548
7549 2005-03-18  2005-03-18  Kazu Hirata  <kazu@cs.umass.edu>
7550
7551         * config/m32r/m32r-protos.h: Remove the prototypes for
7552         call_address_operand, symbolic_operand, seth_add3_operand,
7553         cmp_int16_operand, uint16_operand, reg_or_int16_operand,
7554         reg_or_uint16_operand, reg_or_cmp_int16_operand,
7555         two_insn_const_operand, move_src_operand,
7556         move_double_src_operand, move_dest_operand,
7557         eqne_comparison_operator, signed_comparison_operator,
7558         large_insn_p, conditional_move_operand, carry_compare_operand,
7559         m32r_block_immediate_operand, extend_operand,
7560         reg_or_eq_int16_operand, int8_operand, and
7561         reg_or_zero_operand.
7562         * config/m32r/m32r.c (call_address_operand, symbolic_operand,
7563         seth_add3_operand, int8_operand, cmp_int16_operand,
7564         uint16_operand, reg_or_int16_operand, reg_or_uint16_operand,
7565         reg_or_eq_int16_operand, reg_or_cmp_int16_operand,
7566         reg_or_zero_operand, two_insn_const_operand, move_src_operand,
7567         move_double_src_operand, move_dest_operand,
7568         eqne_comparison_operator, signed_comparison_operator,
7569         extend_operand, small_insn_p, large_insn_p,
7570         conditional_move_operand, carry_compare_operand,
7571         m32r_block_immediate_operand): Move to predicates.md.
7572         (MAX_MOVE_BYTES): Move to m32r.h.
7573         * config/m32r/m32r.h (PREDICATE_CODES): Remove.
7574         * config/m32r/m32r.md: Include predicates.md.
7575         * config/m32r/predicates.md: New.
7576
7577 2005-03-18  James E Wilson  <wilson@specifixinc.com>
7578
7579         PR c++/19769
7580         * dwarf2out.c (declare_in_namespace): Ignore decls with an abstract
7581         origin.
7582
7583 2005-03-18  Kazu Hirata  <kazu@cs.umass.edu>
7584
7585         * config/mn10300/mn10300-protos.h: Remove the prototypes for
7586         call_address_operand, const_8bit_operand.
7587         * config/mn10300/mn10300.c (call_address_operand,
7588         const_8bit_operand, const_1f_operand): Move to predicates.md.
7589         * config/mn10300/mn10300.h (PREDICATE_CODES): Remove.
7590         * config/mn10300/mn10300.md: Include predicates.md.
7591         * config/mn10300/predicates.md: New.
7592
7593 2005-03-18  Joseph S. Myers  <joseph@codesourcery.com>
7594
7595         * c-common.c, c-decl.c, c-format.c, c-typeck.c: Use %D for
7596         declarations in diagnostics and %E for identifiers, not %s.
7597
7598 2005-03-18  Jan Hubicka  <jh@suse.cz>
7599             Dale Johannesen  <dalej@apple.com>
7600
7601         * basic-block.h (scale_bbs_frequencies_int,
7602         scale_bbs_frequencies_gcov_type): Declare.
7603         * cfg.c (RDIV): New macro.
7604         (update_bb_frequency_for_threading): Fix.
7605         * basic-block.h (scale_bbs_frequencies_int,
7606         scale_bbs_frequencies_gcov_type): New.
7607         * cfgloopmanip.c (scale_bbs_frequencies): Kill.
7608         (scale_loop_frequencies, duplicate_loop_to_header_edge): Use
7609         scale_bbs_frequencies_int.
7610         * tree-ssa-loop-ch.c (copy_loop_headers): Fix profiling info.
7611
7612 2005-03-18  Kazu Hirata  <kazu@cs.umass.edu>
7613
7614         * config/m32r/m32r-protos.h: Remove the prototypes for
7615         call_address_operand, symbolic_operand, seth_add3_operand,
7616         cmp_int16_operand, uint16_operand, reg_or_int16_operand,
7617         reg_or_uint16_operand, reg_or_cmp_int16_operand,
7618         two_insn_const_operand, move_src_operand,
7619         move_double_src_operand, move_dest_operand,
7620         eqne_comparison_operator, signed_comparison_operator,
7621         large_insn_p, conditional_move_operand, carry_compare_operand,
7622         m32r_block_immediate_operand, extend_operand,
7623         reg_or_eq_int16_operand, int8_operand, and
7624         reg_or_zero_operand.
7625         * config/m32r/m32r.c (call_address_operand, symbolic_operand,
7626         seth_add3_operand, int8_operand, cmp_int16_operand,
7627         uint16_operand, reg_or_int16_operand, reg_or_uint16_operand,
7628         reg_or_eq_int16_operand, reg_or_cmp_int16_operand,
7629         reg_or_zero_operand, two_insn_const_operand, move_src_operand,
7630         move_double_src_operand, move_dest_operand,
7631         eqne_comparison_operator, signed_comparison_operator,
7632         extend_operand, small_insn_p, large_insn_p,
7633         conditional_move_operand, carry_compare_operand,
7634         m32r_block_immediate_operand): Move to predicates.md.
7635         (MAX_MOVE_BYTES): Move to m32r.h.
7636         * config/m32r/m32r.h (PREDICATE_CODES): Remove.
7637         * config/m32r/m32r.md: Include predicates.md.
7638         * config/m32r/predicates.md: New.
7639
7640         * config/pa/pa-protos.h: Add prototypes for magic_milli and
7641         shadd_constant_p.
7642         * config/pa/pa.c (reg_or_0_operand, call_operand_address,
7643         symbolic_operand, symbolic_memory_operand,
7644         reg_or_0_or_nonsymb_mem_operand, reg_before_reload_operand,
7645         indexed_memory_operand, move_dest_operand, move_src_operand,
7646         prefetch_cc_operand, prefetch_nocc_operand,
7647         reg_or_cint_move_operand, pic_label_operand, fp_reg_operand,
7648         arith_operand, arith11_operand, pre_cint_operand,
7649         post_cint_operan, arith_double_operand, ireg_or_int5_operand,
7650         ireg_operand, int5_operand, uint5_operand, int11_operand,
7651         uint32_operand, arith5_operand, and_operand, ior_operand,
7652         lhs_lshift_operand, lhs_lshift_cint_operand, arith32_operand,
7653         pc_or_label_operand, div_operand, plus_xor_ior_operator,
7654         shadd_operand, movb_comparison_operator,
7655         cmpib_comparison_operator): Move to predicates.md.
7656         (magic_milli, shadd_constant_p): Make it extern.
7657         * config/pa/pa.h (PREDICATE_CODES): Remove.
7658         * config/pa/pa.md: Include predicates.md.
7659         * config/pa/predicates.md: New.
7660
7661         * config/v850/v850.h (PREDICATE_CODES): Remove a nonexistent
7662         predicate.
7663
7664 2005-03-18  Kazu Hirata  <kazu@cs.umass.edu>
7665
7666         * hooks.c, hooks.h, intl.c, opts.h, prefix.c, tree-gimple.c,
7667         config/alpha/ev4.md, config/alpha/ev5.md, config/alpha/ev6.md,
7668         config/alpha/freebsd.h, config/alpha/linux.h,
7669         config/alpha/netbsd.h, config/alpha/osf5.h,
7670         config/alpha/vms.h, config/arc/arc.c, config/arc/arc.h,
7671         config/h8300/h8300-protos.h, config/h8300/h8300.c,
7672         config/h8300/h8300.h, config/ia64/unwind-ia64.c,
7673         doc/cppopts.texi: Update copyright.
7674
7675 2005-03-18  Jan Hubicka  <jh@suse.cz>
7676
7677         PR middle-end/20225
7678         * cgraph.c (cgraph_mark_reachable_node): Assert that it is not called
7679         too late.
7680         * varasm.c (find_decl_and_mark_needed): Mark needed only when not
7681         called too late.
7682
7683 2005-03-18  Kazu Hirata  <kazu@cs.umass.edu>
7684
7685         * tree-into-ssa.c (find_idf): Use VEC_quick_push instead of
7686         VEC_safe_push.
7687
7688 2005-03-18  Paolo Bonzini  <bonzini@gnu.org>
7689
7690         * combine.c (gen_binary): Remove.
7691         (known_cond, simplify_shift_const, find_split_point,
7692         combine_simplify_rtx, simplify_if_then_else, simplify_set,
7693         simplify_logical, expand_field_assignment, extract_left_shift,
7694         force_to_mode, if_then_else_cond, apply_distributive_law,
7695         simplify_and_const_int, simplify_shift_const, gen_lowpart_for_combine,
7696         simplify_comparison, reversed_comparison): Replace with
7697         simplify_gen_binary, simplify_gen_relational or
7698         distribute_and_simplify_rtx.
7699         (distribute_and_simplify_rtx): New function.
7700
7701 2005-03-18  Alexey Neyman  <alex.neyman@auriga.ru>
7702             Paolo Bonzini  <gcc.gnu.org>
7703
7704         * calls.c (setjmp_call_p, special_function_p): Update comments
7705         at the head of the functions.
7706
7707 2005-03-18  Jan Hubicka  <jh@suse.cz>
7708
7709         * tree-cfg.c (fold_cond_expr_cond): Use boolean types for condition.
7710
7711         * cgraph.c (cgraph_remove_node): Avoid loop in code deciding whether
7712         function body should be released; do not proactively release function
7713         bodies in non-unit-at-a-time mode.
7714
7715 2005-03-18  Ralf Corsepius  <ralf.corsepius@rtems.org>
7716
7717         * config/i386/t-rtems-i386 (MULTILIBS): Remove k6, athlon,
7718         mno-fp-ret-in-387 multilib variants.
7719
7720 2005-03-18  Richard Sandiford  <rsandifo@redhat.com>
7721
7722         * common.opt (m): Remove.
7723         * opts.c (handle_option): Pass 'm' options to set_target_switch if
7724         table lookup fails.
7725         (common_handle_option): Remove OPT_m case.
7726
7727 2005-03-18  Kazu Hirata  <kazu@cs.umass.edu>
7728
7729         * builtins.c (fold_builtin_bitop): Take decomposed arguments
7730         of CALL_EXPR.
7731         (fold_builtin_1): Update a call to fold_builtin_bitop.
7732
7733         * builtins.c (fold_builtin_signbit): Take decomposed arguments
7734         of CALL_EXPR.
7735         (fold_builtin_1): Update a call to fold_builtin_signbit.
7736
7737 2005-03-17  Dorit Naishlos  <dorit@il.ibm.com>
7738
7739         PR tree-optimization/20474
7740         * tree-vect-analyze.c (vect_analyze_pointer_ref_access): Check the
7741         size_type of the relevant pointer. Check for COMPLETE_TYPE_P.
7742
7743 2005-03-17  Kazu Hirata  <kazu@cs.umass.edu>
7744
7745         * config/h8300/h8300-protos.h: Remove prototypes for
7746         general_operand_src, general_operand_dst, single_one_operand,
7747         single_zero_operand, call_insn_operand,
7748         two_insn_adds_subs_operand, small_call_insn_operand,
7749         jump_address_operand, bit_operand, bit_memory_operand,
7750         stack_pointer_operand, const_int_gt_2_operand,
7751         const_int_ge_8_operand, const_int_qi_operand,
7752         const_int_hi_operand, incdec_operand, bit_operator,
7753         nshift_operator, eqne_operator, gtle_operator,
7754         gtuleu_operator, iorxor_operator.
7755         Add prototypes for h8sx_shift_type h8sx_classify_shift and
7756         h8300_ldm_stm_parallel.
7757         * config/h8300/h8300.c (h8sx_shift_type,): Move to
7758         h8300-protos.h.
7759         (SYMBOL_FLAG_FUNCVEC_FUNCTION, SYMBOL_FLAG_EIGHTBIT_DATA,
7760         SYMBOL_FLAG_TINY_DATA): Move to h8300.h.
7761         (h8300_ldm_stm_parallel): Make it extern.
7762         (h8300_ldm_parallel, h8300_stm_parallel,
7763         h8300_return_parallel, general_operand_src,
7764         general_operand_dst, h8300_dst_operand, h8300_src_operand,
7765         nibble_operand, reg_or_nibble_operand, single_one_operand,
7766         single_zero_operand, call_insn_operand,
7767         two_insn_adds_subs_operand, small_call_insn_operand,
7768         jump_address_operand, bit_operand, bit_memory_operand,
7769         stack_pointer_operand, const_int_gt_2_operand,
7770         const_int_ge_8_operand, const_int_qi_operand,
7771         const_int_hi_operand, incdec_operand, eqne_operator,
7772         gtle_operator, gtuleu_operator, iorxor_operator, bit_operator,
7773         h8sx_binary_memory_operator, h8sx_unary_memory_operator,
7774         h8sx_unary_shift_operator, h8sx_binary_shift_operator,
7775         nshift_operator): Move to predicates.md.
7776         * config/h8300/h8300.h (PREDICATE_CODES): Remove.
7777         * config/h8300/h8300.md: Include predicates.md.
7778         * config/h8300/predicates.md: New.
7779
7780 2005-03-17  Richard Henderson  <rth@redhat.com>
7781
7782         * config.gcc (ia64*-*-hpux*): Add extra_options.
7783         * config/ia64/hpux.h (SUBTARGET_SWITCHES): Remove.
7784         (TARGET_DEFAULT): Remove MASK_INLINE_FLOAT_DIV_THR.
7785         * config/ia64/ia64.c (ia64_fixed_range_string): Remove.
7786         (ia64_tls_size_string, ia64_tune_string): Remove.
7787         (ia64_tune): Init to PROCESSOR_ITANIUM2.
7788         (TARGET_DEFAULT_TARGET_FLAGS): New.
7789         (TARGET_HANDLE_OPTION): New.
7790         (ia64_override_options): Move options parsing ...
7791         (ia64_handle_option): ... here.  New.
7792         * config/ia64/ia64.h (target_flags, MASK_BIG_ENDIAN, MASK_GNU_AS,
7793         MASK_GNU_LD, MASK_NO_PIC, MASK_VOL_ASM_STOP, MASK_ILP32,
7794         MASK_REG_NAMES, MASK_NO_SDATA, MASK_CONST_GP, MASK_AUTO_PIC,
7795         MASK_INLINE_FLOAT_DIV_LAT, MASK_INLINE_FLOAT_DIV_THR,
7796         MASK_INLINE_INT_DIV_LAT, MASK_INLINE_INT_DIV_THR,
7797         MASK_INLINE_SQRT_LAT, MASK_INLINE_SQRT_THR, MASK_DWARF2_ASM,
7798         MASK_EARLY_STOP_BITS, TARGET_BIG_ENDIAN, TARGET_GNU_AS, TARGET_GNU_LD,
7799         TARGET_NO_PIC, TARGET_VOL_ASM_STOP, TARGET_ILP32, TARGET_REG_NAMES,
7800         TARGET_NO_SDATA, TARGET_CONST_GP, TARGET_AUTO_PIC,
7801         TARGET_INLINE_FLOAT_DIV_LAT, TARGET_INLINE_FLOAT_DIV_THR,
7802         TARGET_INLINE_INT_DIV_LAT, TARGET_INLINE_INT_DIV_THR,
7803         TARGET_INLINE_FLOAT_DIV, TARGET_INLINE_INT_DIV, TARGET_INLINE_SQRT_LAT,
7804         TARGET_INLINE_SQRT_THR, TARGET_INLINE_SQRT, TARGET_DWARF2_ASM,
7805         TARGET_EARLY_STOP_BITS): Remove.
7806         (TARGET_ILP32): Default false.
7807         (TARGET_SWITCHES, SUBTARGET_SWITCHES, TARGET_OPTIONS): Remove.
7808         (enum ia64_inline_type): New.
7809         (TARGET_DEFAULT): Remove MASK_INLINE_FLOAT_DIV_THR.
7810         * config/ia64/ia64.md: Update for new definitions of
7811         TARGET_INLINE_INT_DIV, TARGET_INLINE_FLOAT_DIV, TARGET_INLINE_SQRT.
7812         * config/ia64/ia64.opt: New file.
7813         * config/ia64/ilp32.opt: New file.
7814
7815 2005-03-17  H.J. Lu  <hongjiu.lu@intel.com>
7816
7817         PR target/18380
7818         * config/ia64/unwind-ia64.c (_Unwind_FindTableEntry): Removed.
7819
7820 2005-03-17  Kazu Hirata  <kazu@cs.umass.edu>
7821
7822         * config/h8300/h8300.c (h8300_init_once): Use MASK_H8300S_1
7823         instead of MASK_H8300S.
7824         * config/h8300/h8300.h (target_flags, MASK_H8300S, MASK_MAC,
7825         MASK_INT32, MASK_ADDRESSES, MASK_QUICKCALL, MASK_SLOWBYTE,
7826         MASK_NORMAL_MODE, MASK_RELAX, MASK_H8300H, MASK_ALIGN_300,
7827         MASK_H8300SX, TARGET_INT32, TARGET_ADDRESSES,
7828         TARGET_QUICKCALL, TARGET_SLOWBYTE, TARGET_H8300H,
7829         TARGET_H8300XS, TARGET_NORMAL_MODE, TARGET_ALIGN_300,
7830         TARGET_SWITCHES): Remove.
7831         (TARGET_H8300S): Redefine interms of TARGET_H8300S_1 and
7832         TARGET_H8300SX.
7833         * config/h8300/h8300.opt: New.
7834
7835         * config/alpha/alpha.opt, config/arc/arc.opt,
7836         config/h8300/h8300.opt, config/mips/mips.opt: Add copyright
7837         notices.
7838
7839 2005-03-17  Ian Lance Taylor  <ian@airs.com>
7840
7841         * gmon.c: Remove.
7842
7843 2005-03-17  Richard Sandiford  <rsandifo@redhat.com>
7844
7845         * config/arc/arc.c (arc_cpu_string): Make static.  Default to "base"
7846         (arc_text_string, arc_data_string, arc_rodata_string): Make static.
7847         (TARGET_HANDLE_OPTION): Override default.
7848         (arc_handle_option): New function.
7849         (arc_init): Remove code to set arch_cpu_string.
7850         * config/arc/arc.h (target_flags, TARGET_MASK_MANGLE_CPU)
7851         (TARGET_MANGLE_CPU, TARGET_MASK_MANGLE_CPU_LIBGCC)
7852         (TARGET_MANGLE_CPU_LIBGCC, TARGET_MASK_ALIGN_LOOPS, TARGET_ALIGN_LOOPS)
7853         (TARGET_MASK_BIG_ENDIAN, TARGET_BIG_ENDIAN, TARGET_MASK_NO_COND_EXEC)
7854         (TARGET_NO_COND_EXEC, TARGET_SWITCHES, TARGET_DEFAULT)
7855         (SUBTARGET_SWITCHES, arc_cpu_string, arc_text_string, arc_data_string)
7856         (arc_rodata_string, TARGET_OPTIONS): Delete.
7857         * config/arc/arc.opt: New file.
7858
7859 2005-03-17  Richard Henderson  <rth@redhat.com>
7860
7861         * doc/extend.texi (Weak Pragmas): New section.
7862         (attribute alias): Clarify that target must be in the same
7863         translation unit.
7864
7865 2005-03-17  Richard Henderson  <rth@redhat.com>
7866
7867         * config/alpha/alpha.opt: New file.
7868         * config/alpha/alpha.c (alpha_tune): New.  Rename all existing uses
7869         of alpha_cpu.
7870         (alpha_cpu_string, alpha_tune_string, alpha_tp_string,
7871         alpha_fprm_string, alpha_fptm_string): Make static.
7872         (alpha_tls_size_string): Remove.
7873         (alpha_handle_option): New.
7874         (override_options): Update for alpha_cpu/alpha_tune split.
7875         (alpha_file_start): Likewise.
7876         (TARGET_DEFAULT_TARGET_FLAGS): New.
7877         (TARGET_HANDLE_OPTION): New.
7878         * config/alpha/alpha.h (alpha_tune): Declare.
7879         (MASK_FP, MASK_FPREGS, TARGET_FPREGS, MASK_GAS, TARGET_GAS,
7880         MASK_IEEE_CONFORMANT, TARGET_IEEE_CONFORMANT, MASK_IEEE, TARGET_IEEE,
7881         MASK_IEEE_WITH_INEXACT, TARGET_IEEE_WITH_INEXACT, MASK_BUILD_CONSTANTS,
7882         TARGET_BUILD_CONSTANTS, MASK_FLOAT_VAX, TARGET_FLOAT_VAX, MASK_BWX,
7883         TARGET_BWX, MASK_MAX, TARGET_MAX, MASK_FIX, TARGET_FIX, MASK_CIX,
7884         TARGET_CIX, MASK_EXPLICIT_RELOCS, TARGET_EXPLICIT_RELOCS,
7885         MASK_SMALL_DATA, TARGET_SMALL_DATA, MASK_TLS_KERNEL, TARGET_TLS_KERNEL,
7886         MASK_SMALL_TEXT, TARGET_SMALL_TEXT, MASK_LONG_DOUBLE_128,
7887         TARGET_LONG_DOUBLE_128, MASK_CPU_EV5, TARGET_CPU_EV5, MASK_CPU_EV6,
7888         TARGET_CPU_EV6, MASK_SUPPORT_ARCH): Remove.
7889         (TARGET_SWITCHES, TARGET_OPTIONS): Remove.
7890         (TARGET_DEFAULT): Remove MASK_FP.
7891         (TARGET_FP): Redefined based on TARGET_SOFT_FP.
7892         (TARGET_SUPPORT_ARCH): Default on if HAVE_AS_EXPLICIT_RELOCS.
7893         (alpha_cpu_string, alpha_tune_string, alpha_fprm_string,
7894         alpha_fptm_string, alpha_tp_string, alpha_mlat_string,
7895         alpha_tls_size_string): Remove.
7896         * config/alpha/alpha.md (prefetch): Use alpha_cpu.
7897         (attribute tune): Rename from attribute cpu.
7898         * config/alpha/ev4.md: Update to match.
7899         * config/alpha/ev5.md, config/alpha/ev6.md: Likewise.
7900         * config/alpha/freebsd.h (TARGET_DEFAULT): Remove MASK_FP.
7901         * config/alpha/linux.h (TARGET_DEFAULT): Likewise.
7902         * config/alpha/netbsd.h (TARGET_DEFAULT): Likewise.
7903         * config/alpha/osf5.h (TARGET_DEFAULT): Likewise.
7904         * config/alpha/vms.h (TARGET_DEFAULT): Likewise.
7905
7906 2005-03-16  James E. Wilson  <wilson@specifixinc.com>
7907
7908         * config/ia64/ia64.c (issue_nops_and_insn): Check first_insn attribute,
7909         and return without creating new state if before_nops_num is nonzero.
7910         * config/ia64/ia64.md (first_insn): New attribute.
7911         (alloc): Set it to yes.
7912
7913 2005-03-16  Daniel Berlin  <dberlin@dberlin.org>
7914
7915         * tree-vectorizer.c (new_vec_stmt_info): Initialize
7916         STMT_VINFO_SUBVARS to NULL.
7917         * tree-vect-analyze.c (vect_analyze_data_refs): Ditto.
7918
7919 2005-03-16 Dale Johannesen  <dalej@apple.com>
7920
7921         * rtlanal.c (find_first_parameter_load):  Rewrite to
7922         return actual first param load or the call if none,
7923         instead of first in block, when not all loads exist.
7924
7925 2005-03-16  Roger Sayle  <roger@eyesopen.com>
7926
7927         * optabs.c (expand_copysign_absneg): Make static.
7928         * optabs.h (expand_copysign_absneg): Delete prototype.
7929         * config/rs6000/rs6000.md (copysigntf3): Delete pattern.
7930
7931 2005-03-16  Richard Henderson  <rth@redhat.com>
7932
7933         PR middle-end/15700
7934         * varasm.c (struct alias_pair): Rename from struct output_def_pair.
7935         (alias_pairs): Rename from output_defs.
7936         (find_decl_and_mark_needed): Split out from assemble_alias.
7937         (do_assemble_alias): New.
7938         (assemble_output_def): Remove.
7939         (finish_aliases_1, finish_aliases_2): New.
7940         (process_pending_assemble_output_defs): Remove.
7941         (assemble_alias): Defer aliases for which we don't yet have a
7942         non-external decl for the target symbol.
7943         * passes.c (rest_of_decl_compilation): Register variables with cgraph.
7944         * cgraphunit.c (cgraph_finalize_compilation_unit): Use finish_aliases_1.
7945         * toplev.c (compile_file): Use finish_aliases_2 instead of
7946         process_pending_assemble_output_defs.
7947         * tree.h (finish_aliases_1, finish_aliases_2): Declare.
7948         (process_pending_assemble_output_defs): Remove.
7949
7950 2005-03-16  Daniel Berlin  <dberlin@dberlin.org>
7951
7952         Fix PR tree-optimization/20489
7953
7954         * tree-ssa-alias.c (push_fields_onto_fieldstack): DTRT
7955         for empty structures.
7956
7957 2005-03-16  Daniel Berlin  <dberlin@dberlin.org>
7958
7959         Fix PR tree-optimization/20490
7960
7961         * tree-ssa-pre.c (create_expression_by_pieces): Use
7962         force_gimple_operand on result of fold.
7963
7964 2005-03-16  Andrew Pinski  <pinskia@physics.uc.edu>
7965
7966         * config/i386/emmintrin.h (_mm_extract_epi16): Correct the number
7967         of closing parenthesis.
7968
7969 2005-03-16  Kazu Hirata  <kazu@cs.umass.edu>
7970
7971         * builtins.c (expand_movstr): Update a call to
7972         fold_builtin_strcpy.
7973         (expand_builtin_strncpy): Update a call to
7974         fold_builtin_strncpy.
7975         (fold_builtin_strcpy, fold_builtin_strncpy): Take decomosed
7976         arguments of CALL_EXPR.
7977         (fold_builtin_1): Update calls to fold_builtin_strcpy and
7978         fold_builtin_strncpy.
7979         * tree-ssa-ccp.c (ccp_fold_builtin): Likewise.
7980         * tree.h: Update the prototypes of fold_builtin_strcpy and
7981         fold_builtin_strncpy.
7982
7983 2005-03-16  Steven Bosscher  <stevenb@suse.de>
7984             Dorit Naishlos  <dorit@il.ibm.com>
7985
7986         * tree-vect-analyze.c (vect_enhance_data_refs_alignment): Copy
7987         UNITS_PER_SIMD_WORD to a local variable to avoid a "division by zero"
7988         error.
7989
7990 2005-03-16  Steven Bosscher  <stevenb@suse.de>
7991
7992         * tree-inline.c (walk_type_fields, walk_tree,
7993         walk_tree_without_duplicates): Move from here...
7994         * tree.c: ...to here.
7995
7996 2005-03-15  Zack Weinberg  <zack@codesourcery.com>
7997
7998         * BASE-VER, DATESTAMP, DEV-PHASE: New files.
7999         * Makefile.in (gcc_version, gcc_version_trigger, ): Delete.
8000         (BASEVER, DEVPHASE, DATESTAMP, BASEVER_c, DEVPHASE_c, DATESTAMP_c)
8001         (BASEVER_s, DEVPHASE_s, DATESTAMP_s): New variables.
8002         (version): Define using $(BASEVER_c).
8003         (Makefile, config.status, build/gcov-iov.o): No longer depends on
8004         version.c.
8005         (version.o): Depend on version files; add custom generation command.
8006         (prefix.o): Define BASEVER on command line.
8007         (s-iov): Depend on version files; adjust command.
8008         (TEXI_CPP_FILES, TEX_IGCC_FILES, TEXI_GCCINT_FILES, TEXI_CPPINT_FILES):
8009         Add gcc-vers.texi.
8010         (gcc-vers.texi): New rule.
8011         (doc/%.info, doc/%.dvi): Add -I . to command line.
8012         (doc/gccinstall.dvi): Likewise.
8013         (PACKAGE): Delete.  All uses replaced with "gcc".
8014         * aclocal.m4: Do not include gcc-version.m4.
8015         * configure.ac: Do not invoke TL_AC_GCC_VERSION.
8016         Do not AC_SUBST nor AC_DEFINE PACKAGE or VERSION.
8017         Set is_release based on contents of DEV-PHASE.
8018         Set gcc_version based on contents of BASE-VER.
8019         Define WIN32_REGISTRY_KEY only if the user overrode the default.
8020         * config.in, configure: Regenerate.
8021         * gccbug.in: Determine version of GCC in use at runtime.
8022         * gcov-iov.c: Get version number and development phase from
8023         command line, not by including version.c.
8024         * intl.c: Replace all uses of PACKAGE with "gcc".
8025         * libada-mk.in: Delete unused "gcc_version" variable.
8026         * prefix.c: Default WIN32_REGISTRY_KEY to BASEVER.
8027         * version.c: (VERSUFFIX): New hook for redistributors; adjust
8028         commentary to match.
8029         (version_string): Put together from pieces.
8030         * config/alpha/x-vms: Do not use $(gcc_version).
8031         * config/i386/t-nwld: Likewise.
8032         * doc/include/gcc-common.texi: Include gcc-vers.texi for
8033         version-GCC and DEVELOPMENT.
8034
8035 2005-03-15  Roger Sayle  <roger@eyesopen.com>
8036
8037         PR tree-optimization/17454
8038         * tree.c (tree_size): Add case for TREE_BINFO.
8039         * fold-const.c (fold_checksum_tree): Only clear the overloaded
8040         field TYPE_CACHED_VALUES if TYPE_CACHED_VALUES_P is set.
8041
8042 2005-03-15  Roger Sayle  <roger@eyesopen.com>
8043
8044         * optabs.c (expand_doubleword_mult): Avoid clobbering op0 and
8045         op1 whilst expanding the signed widenening multiply variant.
8046
8047 2005-03-15  Richard Sandiford  <rsandifo@redhat.com>
8048
8049         * toplev.c (display_target_options): Avoid unused variable warning if
8050         TARGET_SWITCHES and TARGET_OPTIONS are both undefined.
8051         * config/mips/mips.c (mips_arch_string, mips_tune_string): Make static.
8052         (mips_isa_string, mips_abi_string, mips_fix_vr4130_string): Delete.
8053         (mips_isa): Initialize to MIPS_ABI_DEFAULT.
8054         (mips_isa_info): New variable.
8055         (mips_parse_cpu): Remove the first argument and leave the caller
8056         to report errors.
8057         (TARGET_HANDLE_OPTION): Override default.
8058         (mips_handle_option): New function.  Move option validation code from...
8059         (override_options): ...here.  Update calls to mips_parse_cpu.
8060         * config/mips/mips.h (mips_arch_string, mips_tune_string)
8061         (mips_isa_string, mips_abi_string, TARGET_OPTIONS)
8062         (SUBTARGET_TARGET_OPTIONS): Delete.
8063         * config/mips/mips.opt (mabi=, march=, mflush-func=, mips)
8064         (mno-flush-func, mtune=): New options.
8065
8066 2005-03-15  Roger Sayle  <roger@eyesopen.com>
8067             Richard Henderson  <rth@redhat.com>
8068
8069         * real.c (c4x_single_format, c4x_extended_format): Provide values
8070         for signbit_ro for c4x's single and extended floating point formats.
8071         * optabs.c (expand_copysign): Use the floating point format's
8072         signbit_ro for expanding via expand_copysign_absneg, and it's
8073         signbit_rw field for expanding via expand_copysign_bit.
8074
8075 2005-03-15  Dorit Naishlos  <dorit@il.ibm.com>
8076
8077         * tree-vectorizer.h (unknown_alignment_for_access_p): Replaced by
8078         known_alignment_for_access_p.
8079         (known_alignment_for_access_p): New.
8080         (do_peeling_for_alignment): Field made int instead of bool and renamed
8081         to peeling_for_alignment.
8082         (LOOP_DO_PEELING_FOR_ALIGNMENT): Renamed to LOOP_PEELING_FOR_ALIGNMENT.
8083         * tree-vect-analyze.c (vect_determine_vectorization_factor): New. This
8084         functionality used to be in vect_analyze_operations.
8085         (vect_analyze_operations): Code to determine vectorization factor was
8086         moved to vect_determine_vectorization_factor.
8087         (vect_enhance_data_refs_alignment): Update to correct alignment when it
8088         is known instead of -1.  Set LOOP_PEELING_FOR_ALIGNMENT to peeling
8089         factor.
8090         (vect_analyze_loop): Call vect_determine_vectorization_factor (used to
8091         be part of vect_analyze_operations).
8092         * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Use fold when
8093         creating the guard condition, as the number of iterations may be
8094         constant.
8095         (slpeel_tree_peel_loop_to_edge): Use new name of
8096         LOOP_DO_PEELING_FOR_ALIGNMENT. Set it to 0 instead of false.
8097         * tree-vect-transform.c (vect_gen_niters_for_prolog_loop): Handle known
8098         alignment case more efficiently. Use LOOP_PEELING_FOR_ALIGNMENT.
8099         (vect_do_peeling_for_alignment): Use fold.
8100         (vect_transform_loop): Use new name of LOOP_DO_PEELING_FOR_ALIGNMENT.
8101
8102         (vect_update_inits_of_dr): Renamed to
8103         vect_update_init_of_dr.
8104         (vect_update_inits_of_drs): Use new name of vect_update_inits_of_dr.
8105         (vectorizable_store): Fix assertion to use == instead of =.
8106
8107 2005-03-15  Daniel Jacobowitz  <dan@codesourcery.com>
8108
8109         * config/arm/arm.h (CONDITIONAL_REGISTER_USAGE): Don't clear
8110         call_used_regs for wCG registers.
8111
8112 2005-03-15  Ulrich Weigand  <uweigand@de.ibm.com>
8113
8114         * config/s390/s390.c (s390_secondary_output_reload_class): Adapt check
8115         for non-offsettable memory references to cope with outstanding reload
8116         replacements, take 2.
8117
8118 2005-03-15  Uros Bizjak  <uros@kss-loka.si>
8119
8120         PR target/18668
8121         * config/i386/i386.h (x86_fisttp): New.
8122         (TARGET_FISTTP): New macro.
8123         * config/i386/i386.c (x86_fisttp): Set for NOCONA.
8124         (output_fix_trunc): Add fisttp parameter.  Generate fisttp x87
8125         instruction when fisttp flag is set.
8126         * config/i386/i386-protos.h (output_fix_trunc): Change declaration.
8127
8128         * config/i386/i386.md (type attribute): Add fisttp.
8129         (unit attribute): Set to i387 for fisttp type.
8130         (X87MODEF, X87MODEI, SSEMODEF, SSEMODEI24): New mode macros.
8131         (fix_truncxfdi2, fix_truncxfsi2): Generate fisttp patterns for
8132         TARGET_FISTTP.
8133         (fix_truncdfdi2, fix_truncsfdi2, fix_truncdfsi2, fix_truncsfsi2):
8134         Generate fisttp patterns for TARGET_FISTTP. Implement using mode
8135         macros.
8136         (fix_truncxfhi2, fix_truncdfhi2, fix_truncsfhi2): Generate fisttp
8137         patterns for TARGET_FISTTP.  Enable patterns for
8138         (TARGET_FISTTP && !TARGET_SSE_MATH). Implement using mode macros.
8139         (fix_trunc<mode>_i387_fisttp_1, fix_trunc<mode>_i387_fisttp,
8140         fix_trunc<mode>_i387_fisttp_with_temp): New instruction patterns to
8141         implement fisttp x87 insn.
8142         (fix_trunc*_i387_fisttp splitters): New patterns.
8143         (*fix_truncdi_i387, *fix_truncsi_i387, *fix_trunchi_i387):
8144         Rename to *fix_trunc<mode>_i387_1.  Implement using mode macros.
8145         Disable patterns for TARGET_FISTTP.  Add comment about FLAGS_REG
8146         clobber.
8147         (fix_truncdi_memory, fix_truncdi_nomemory, fix_trunchi_nomemory):
8148         Rename to fix_trunc<mode>_i387 and fix_trunc<mode>_i387_with_temp.
8149         Implement using mode macros. Disable patterns for TARGET_FISTTP.
8150         (fix_truncsi_memory, fix_truncsi_nomemory, fix_trunchi_memory,
8151         fix_trunchi_nomemory): Rename to fix_trunc<mode>_i387 and
8152         fix_trunc<mode>_i387_with_temp. Implement using mode macros.
8153         Disable patterns for TARGET_FISTTP.
8154         (fix_trunc*_i387 splitters): Implement usign mode macros.
8155         (fix_truncdfdi_sse, fix_truncsfdi_sse, fix_truncdfsi_sse,
8156         fix_truncsfsi_sse): Disable for (TARGET_FISTTP && !TARGET_SSE_MATH).
8157         (fix_trunx*_sse peephole2s): Implement using mode macros.
8158
8159 2005-03-15  J"orn Rennecke <joern.rennecke@st.com>
8160
8161         PR rtl-optimization/20291
8162         * combine.c (try_combine): If splitting fails, re-try with
8163         original combined pattern, i.e. before clobber stripping.
8164
8165 2005-03-14  Eric Christopher  <echristo@redhat.com>
8166
8167         * config/mips/mips.h (DWARF_CIE_DATA_ALIGNMENT): Change for
8168         STACK_GROWS_DOWNWARD.
8169
8170 2005-03-14  Roger Sayle  <roger@eyesopen.com>
8171
8172         * real.h (struct real_format): Split the signbit field into two
8173         two fields, signbit_ro and signbit_rw.
8174         * real.c (ieee_single_format, mips_single_format, ieee_double_format,
8175         mips_double_format, ieee_extended_motorola_format,
8176         ieee_extended_intel_96_format, ieee_extended_intel_96_round_53_format,
8177         ieee_extended_intel_128_format, ibm_extended_format,
8178         mips_extended_format, ieee_quad_format, mips_quad_format,
8179         vax_f_format, vax_d_format, vax_g_format, i370_single_format,
8180         i370_double_format, c4x_single_format, c4x_extended_format,
8181         real_internal_format): Update initializers for new field.
8182         * builtins.c (expand_builtin_signbit): Use signbit_ro field of the
8183         real_format structure.
8184         * optabs.c (expand_absneg_bit, expand_copysign): Use signbit_rw
8185         field of the real_format structure.
8186
8187 2005-03-14  Daniel Berlin <dberlin@dberlin.org>
8188
8189         Fix PR tree-optimization/20458
8190
8191         * tree-flow-inline.h (mark_call_clobbered): Don't fiddle
8192         DECL_EXTERNAL on STRUCT_FIELD tags.
8193         (clear_call_clobbered): Ditto.
8194         * tree-ssa-operands.c (note_addressable): Make sure the original
8195         variable doesn't slip into the addressable list if we have
8196         subvars.
8197         * tree-tailcall.c (suitable_for_tail_opt_p): Look at STRUCT_FIELD
8198         tags too.
8199
8200 2005-03-14  Geoffrey Keating  <geoffk@apple.com>
8201
8202         * doc/cppopts.texi (-fexec-charset): Add concept index entry.
8203         (-fwide-exec-charset): Likewise.
8204         (-finput-charset): Likewise.
8205         * doc/invoke.texi (Warning Options): Document -Wnormalized=.
8206         * c-opts.c (c_common_handle_option): Handle -Wnormalized=.
8207         * c.opt (Wnormalized): New.
8208
8209 2005-03-14  Devang Patel  <dpatel@apple.com>
8210
8211         * doc/invoke.texi: Add reference to Visibility document.
8212
8213 2005-03-14  Richard Sandiford  <rsandifo@redhat.com>
8214
8215         * config.gcc (mips*-*-*): Rename MASK_SPLIT_ADDRS to
8216         MASK_SPLIT_ADDRESSES.
8217         * config/mips/mips.h (target_flags, mips_fix_vr4130_string): Delete.
8218         (MASK_INT64, MASK_LONG64, MASK_SPLIT_ADDR, MASK_NO_FUSED_MADD)
8219         (MASK_EXPLICIT_RELOCS, MASK_MEMCPY, MASK_SOFT_FLOAT)
8220         (MASK_FLOAT64, MASK_ABICALLS, MASK_XGOT, MASK_LONG_CALLS)
8221         (MASK_64BIT, MASK_EMBEDDED_DATA, MASK_BIG_ENDIAN)
8222         (MASK_SINGLE_FLOAT, MASK_MAD, MASK_4300_MUL_FIX, MASK_MIPS16)
8223         (MASK_NO_CHECK_ZERO_DIV, MASK_BRANCHLIKELY)
8224         (MASK_UNINIT_CONST_IN_RODATA, MASK_FIX_R4000, MASK_FIX_R4400)
8225         (MASK_FIX_SB1, MASK_FIX_VR4120, MASK_VR4130_ALIGN)
8226         (MASK_FP_EXCEPTIONS, MASK_DIVIDE_BREAKS, MASK_PAIRED_SINGLE)
8227         (MASK_MIPS3D, MASK_SYM32, MASK_DEBUG, MASK_DEBUG_D)
8228         (MASK_MIPS_TFILE, TARGET_INT64, TARGET_LONG64, TARGET_FLOAT64)
8229         (TARGET_64BIT, TARGET_SPLIT_ADDRESSES, TARGET_DEBUG_MODE)
8230         (TARGET_DEBUG_D_MODE, TARGET_MEMCPY, TARGET_ABICALLS)
8231         (TARGET_XGOT, TARGET_SOFT_FLOAT, TARGET_HARD_FLOAT)
8232         (TARGET_LONG_CALLS, TARGET_EMBEDDED_DATA)
8233         (TARGET_UNINIT_CONST_IN_RODATA, TARGET_BIG_ENDIAN)
8234         (TARGET_SINGLE_FLOAT, TARGET_DOUBLE_FLOAT, TARGET_MAD)
8235         (TARGET_FUSED_MADD, TARGET_4300_MUL_FIX, TARGET_CHECK_ZERO_DIV)
8236         (TARGET_DIVIDE_TRAPS, TARGET_BRANCHLIKELY, TARGET_FIX_SB1)
8237         (TARGET_FIX_R4000, TARGET_FIX_R4400, TARGET_FIX_VR4120)
8238         (TARGET_FIX_VR4130, TARGET_VR4130_ALIGN, TARGET_FP_EXCEPTIONS)
8239         (TARGET_PAIRED_SINGLE_FLOAT, TARGET_MIPS3D, TARGET_SYM32)
8240         (TARGET_EXPLICIT_RELOCS): Delete.
8241         (TARGET_SWITCHES, SUBTARGET_TARGET_SWITCHES): Delete.
8242         (TARGET_OPTIONS): Remove entry for -mfix-vr4130.
8243         * config/mips/mips.c (TARGET_DEFAULT_TARGET_FLAGS): Define.
8244         (override_options): Set MASK_LONG64 if -mint64 is given and no
8245         -mlongXX option is.  Complain about -mint64 -mlong32.
8246         (override_options, CMP_BUILTINS, mips_bdesc, sb1_desc): Rename
8247         MASK_PAIRED_SINGLE to MASK_PAIRED_SINGLE_FLOAT.
8248         * config/mips/mips.opt: New file.
8249
8250 2005-03-14  Richard Sandiford  <rsandifo@redhat.com>
8251
8252         * config.gcc (extra_options): New variable for listing option files.
8253         Add ${cpu_type}/${cpu_type}.opt to it if that file exists.
8254         * configure.ac (extra_opt_files): New AC_SUBST variable.
8255         (tm_file_list, tm_include_list): Include options.h first.
8256         * configure: Regenerate.
8257         * Makefile.in (extra_opt_files, ALL_OPT_FILES): New variables.
8258         (s-options): Use $(ALL_OPT_FILES) instead of $(lang_opt_files)
8259         (s-options-h): New rule.
8260         (options.h): Depend on it.
8261         (TEXI_GCCINT_FILES): Add options.texi.
8262         * hooks.h (hook_bool_size_t_constcharptr_int_true): Declare.
8263         * hooks.c (hook_bool_size_t_constcharptr_int_true): New function.
8264         * target.h (gcc_target): Add default_target_flags and handle_option.
8265         * target-def.h (TARGET_DEFAULT_TARGET_FLAGS)
8266         (TARGET_HANDLE_OPTION): New macros.
8267         (TARGET_INITIALIZER): Include them.
8268         * opt-functions.awk (opt_args, nth_arg): New functions.
8269         (switch_flags): Handle the "Target" flag.
8270         (var_args): Delete.
8271         (var_name): Use opt_args and nth_arg.
8272         (var_set, var_ref): Likewise.  Handle "Mask" and "InverseMask".
8273         * opth-gen.awk: Declare target_flags.  Declare MASK_* and TARGET_*
8274         macros for the "Mask" and "InverseMask" options.
8275         * opts.h (cl_var_cond): New enum.
8276         (cl_option): Replace the "has_set_value" and "set_value" fields with
8277         "var_cond" and "var_value".
8278         (CL_TARGET): New macro.
8279         (option_enabled, print_filtered_help): Declare.
8280         (decode_options): Move definition.
8281         * opts.c (handle_option): Search for the original option before
8282         removing any "no-" prefix.  Handle CL_TARGET.  Adjust for the new
8283         var_cond and var_value fields.  Use targetm.handle_option to handle
8284         target options.
8285         (decode_options): Set target_flags to targetm.default_target_flags.
8286         (print_filtered_help): Make global.  Handle CL_TARGET.
8287         (option_enabled): New function.
8288         * toplev.c (target_switches): Guard with #ifdef TARGET_SWITCHES.
8289         (display_target_options, set_target_switch, print_switch_values)
8290         (default_pch_valid_p): Guard uses of target_switches with
8291         #ifdef TARGET_SWITCHES.  Also...
8292         (display_target_options): Display the CL_TARGET entries in cl_options.
8293         (set_target_option): Don't complain about the "" option when
8294         TARGET_SWITCHES is undefined.
8295         (print_switch_values): Use option_enabled.
8296         (default_pch_valid_p): Check cl_options[] when looking for something
8297         that has changed the value of target_flags.
8298         * c.opt: Remove documentation from top of file.
8299         * doc/gccint.texi: Add an "Options" chapter.  Include options.texi.
8300         * doc/sourecebuild.texi: Refer to the new options documentation
8301         instead of c.opt.  Document machine-specific .opt files.
8302         * doc/tm.texi (target_flags): Say that this variable is declared
8303         by options.h.
8304         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Document.
8305         (TARGET_SWITCHES, TARGET_OPTIONS): Refer to the option files as
8306         an alternative.
8307         * doc/options.texi: New file.
8308
8309 2005-03-14  Alexandre Oliva  <aoliva@redhat.com>
8310
8311         PR middle-end/18628
8312         * cse.c (fold_rtx_mem): Don't fold a load from a jumptable into a
8313         register.
8314
8315 2005-03-14  Alexandre Oliva  <aoliva@redhat.com>
8316
8317         PR c++/20280
8318         * gimplify.c (gimplify_cond_expr): Add fallback argument.  Use a
8319         temporary variable of pointer type if an lvalues is required.
8320         (gimplify_modify_expr_rhs): Request an rvalue from it.
8321         (gimplify_expr): Pass fallback on.
8322
8323 2005-03-14  Kazu Hirata  <kazu@cs.umass.edu>
8324
8325         * cfgbuild.c: Update comments.
8326
8327 2005-03-14  Roger Sayle  <roger@eyesopen.com>
8328
8329         PR rtl-optimization/17236
8330         * optabs.c (expand_doubleword_mult): New helper function split out
8331         from expand_binop.  Permute the order in which instructions are
8332         emitted to minimize the number of simultaneously live registers.
8333         (expand_binop): Call expand_doubleword_mult to synthesize a double
8334         word multiplication.
8335
8336 2005-03-14  Kazu Hirata  <kazu@cs.umass.edu>
8337
8338         * basic-block.h: Update the prototypes of cached_make_edge and
8339         rtl_make_eh_edge.
8340         * cfg.c (cached_make_edge): Take edge_cache representing one
8341         row of the adjacency matrix of edges.
8342         * cfgbuild.c (make_label_edge, rtl_make_eh_edge): Likewise.
8343         (make_edges): Initialize edge_cache to represent one row of
8344         the adjacency matrix of edges.
8345
8346 2005-03-14  Zdenek Dvorak  <dvorakz@suse.cz>
8347
8348         * tree-ssa-phiopt.c (minmax_replacement, blocks_in_phiopt_order):
8349         New functions.
8350         (tree_ssa_phiopt): Use blocks_in_phiopt_order and minmax_replacement.
8351         Remove unused removed_phis variable.
8352         (conditional_replacement): Use build1/build2.
8353         (abs_replacement): Use last_and_only_stmt and build1/build2.
8354
8355 2005-03-14  Zdenek Dvorak  <dvorakz@suse.cz>
8356
8357         * builtin-attrs.def (ATTR_NOVOPS, ATTR_NOVOPS_LIST,
8358         ATTR_PURE_NOTHROW_NOVOPS_LIST): New.
8359         * builtins.def (ATTR_MATHFN_FPROUNDING): Use NOVOPS.
8360         (BUILT_IN_PREFETCH): Set the NOVOPS attribute.
8361         * c-common.c (handle_novops_attribute): New function.
8362         (c_common_attribute_table): Add "no vops" entry.
8363         * c-decl.c (merge_decls): Copy DECL_IS_NOVOPS.
8364         * calls.c (flags_from_decl_or_type): Set ECF_NOVOPS.
8365         * tree-ssa-operands.c (get_call_expr_operands): Do not
8366         create virtual operands for calls with ECF_NOVOPS flag.
8367         * tree.h (DECL_IS_NOVOPS): New macro.
8368         (struct tree_decl): Add novops_flag.
8369         (ECF_NOVOPS): New constant.
8370
8371 2005-03-14  Uros Bizjak  <uros@kss-loka.si>
8372
8373         PR target/17688
8374         * config/i386/i386.c (x86_use_himode_fiop): New.
8375         (x86_use_simode_fiop): Rename from x86_use_fiop.
8376         * config/i386/i386.h (x86_use_himode_fiop): Declare.
8377         (TARGET_USE_HIMODE_FIOP): New.
8378         (x86_use_simode_fiop): Rename from x86_use_fiop.
8379         (TARGET_USE_SIMODE_FIOP): Rename from TARGET_USE_FIOP.
8380
8381         * config/i386/i386.md (X87MODEI12): New mode macro define.
8382         (*cmpfp_<mode>): Rename from *cmpfp_si.  Use X87MODEI12 mode macro
8383         to implement x87 FP compare with HImode input operands.
8384         (*fp_jcc_8<mode>_387, splitter): Rename from *fp_jcc_8_387.
8385         Use X87MODEI12 mode macro to handle HImode input operands.
8386         (*fop_sf_2<mode>_i387, *fop_sf_3<mode>_i387, *fop_df_2<mode>_i387,
8387         *fop_df_3<mode>_i387, *fop_xf_2<mode>_i387, *fop_xf_3<mode>_i387):
8388         Renamed from *fop_sf_2_i387, *fop_sf_3_i387, *fop_df_2_i387,
8389         *fop_df_3_i387, *fop_xf_2_i387, *fop_xf_3_i387. Use X87MODEI12 mode
8390         macro to implement x87 operators with HImode input operands.
8391         (fop splitters): Use X87MODEI12 mode macro to handle HImode
8392         input operands.
8393
8394 2005-03-14  Zdenek Dvorak  <dvorakz@suse.cz>
8395
8396         * tree-cfg.c (find_taken_edge_cond_expr): Use zero_p instead of
8397         integer_zerop.
8398         * tree-gimple.c (is_gimple_min_invariant): Consider overflowed
8399         constants invariant.
8400
8401 2005-03-14  Zdenek Dvorak  <dvorakz@suse.cz>
8402
8403         * basic-block.h (BB_VISITED): Removed.
8404         * cfganal.c (dfs_enumerate_from): Do not use BB_VISITED flag.
8405
8406 2005-03-14  Falk Hueffner  <falk@debian.org>
8407
8408         PR bootstrap/20424
8409         * config/alpha/alpha.c (alpha_fold_builtin_cmpbge): Fix typo.
8410
8411 2005-03-14  Kazu Hirata  <kazu@cs.umass.edu>
8412
8413         * ggc-zone.c: Fix comment typos.
8414
8415         * alloc-pool.c, except.h, ggc-common.c, ggc-zone.c, ggc.h,
8416         stringpool.c, config/mips/mips-protos.h: Update copyright.
8417
8418 2005-03-14  Alan Modra  <amodra@bigpond.net.au>
8419
8420         * config/rs6000/rs6000-protos.h: Replace "struct rtx_def *"
8421         throughout with its typedef, "rtx".
8422         * config/rs6000/rs6000.c: Likewise.  Formatting fixes.
8423         (rs6000_tls_symbol_ref_1): Remove inline keyword.
8424         * config/rs6000/rs6000.h (REG_ALLOC_ORDER): Formatting.  Reorder
8425         regs in comment to match code.
8426
8427 2005-03-14  Kazu Hirata  <kazu@cs.umass.edu>
8428
8429         * except.c (check_handled): Make it static.
8430         * except.h: Remove the corresponding prototype.
8431
8432         * function.c (get_func_frame_size): Make it static.
8433         * function.h: Remove the corresponding type.
8434
8435         * regclass.c (reg_class_superclasses, reg_class_subclasses):
8436         Make them static.
8437         * hard-reg-set.h: Remove the corresponding declarations.
8438
8439         * tree-cfg.c (verify_stmts): Check that
8440         bb_for_stmt (stmt) == bb for every PHI node and statement.
8441
8442 2005-03-14  Alan Modra  <amodra@bigpond.net.au>
8443
8444         * config.gcc: Remove excess indentation.
8445         (powerpc*-*-*, rs6000-*-*): Accept --with-cpu/tune power5 and 8548.
8446
8447 2005-03-13  Roger Sayle  <roger@eyesopen.com>
8448
8449         PR middle-end/19331
8450         * tree.c (get_unwidened): Treat CONVERT_EXPR and NOP_EXPR identically.
8451         * fold-const.c (fold_sign_changed_comparison): Likewise.
8452         (fold_binary): Optimize comparisons against widened operands if
8453         the extension is represented by a CONVERT_EXPR, same as a NOP_EXPR.
8454
8455 2005-03-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
8456
8457         * config/sparc/sparc.c (struct_value_alias_set): New global variable.
8458         (sparc_override_options): Initialize it.
8459         (sparc_struct_value_rtx): Set it on the MEM to be returned.
8460
8461 2005-03-13  David Edelsohn  <edelsohn@gnu.org>
8462
8463         * config/rs6000/predicates.md (mem_or_easy_const_operand): Delete.
8464         (reg_or_none500mem_operand): New predicate.
8465         (zero_reg_mem_operand): New predicate.
8466         * config/rs6000/rs6000.md (extendsfdf2): Change operand1 predicate
8467         to reg_or_none500mem_operand.
8468         (extendsfdf2_fpr): Add MEM alternative.
8469         (extenddftf2_internal): Change operand2 predicate to
8470         zero_reg_mem_operand.
8471
8472 2005-03-13  Daniel Jacobowitz  <dan@codesourcery.com>
8473
8474         * ggc-zone.c: Rewritten.
8475
8476         * alloc-pool.c (dump_alloc_pool_statistics): Don't print statistics
8477         if there are none.
8478         * configure.ac: Define GGC_ZONE for --with-gc=zone.
8479         * config.in: Regenerated.
8480         * configure: Regenerated.
8481         * gengtype.c (write_types_process_field, write_func_for_structure):
8482         Pass new argument to gt_pch_note_object.
8483         * ggc-common.c (struct ptr_data): Add TYPE.
8484         (gt_pch_note_object): Take TYPE argument and save it.
8485         (call_count): Update call to ggc_pch_count_object.
8486         (call_alloc): Update call to ggc_pch_alloc_object.
8487         (gt_pch_save): Call ggc_pch_prepare_write after paddng the PCH
8488         file.
8489         * ggc-none.c (rtl_zone, garbage_zone, ggc_alloc_zone_stat): Delete.
8490         * ggc-page.c (rtl_zone, tree_zone, garbage_zone)
8491         (ggc_alloc_zone_stat): Delete.
8492         (ggc_pch_count_object, ggc_pch_alloc_object): Add TYPE argument.
8493         * ggc.h (gt_pch_note_object, ggc_pch_count_object)
8494         (ggc_pch_alloc_object): Update prototypes.
8495         (garbage_zone): Delete.
8496         (tree_zone, rtl_zone, ggc_alloc_zone_stat, ggc_alloc_zone): Move to
8497         GGC_ZONE conditional.  Update.  Change tree_zone and rtl_zone into
8498         pointers.
8499         (tree_id_zone): New variable.
8500         (ggc_alloc_cleared_zone): Remove unused.
8501         (ggc_alloc_zone): Define.
8502         (ggc_alloc_rtvec, ggc_alloc_tree): Update to use ggc_alloc_zone.
8503         * rtl.c (rtx_alloc_stat, shallow_copy_rtx_stat): Use
8504         ggc_alloc_zone_stat.
8505         * stringpool.c (gt_pch_n_S): Update call to gt_pch_note_object.
8506         * tree.c (copy_node_stat, make_tree_binfo_stat, make_tree_vec_stat)
8507         (tree_cons_stat, build1_stat): Update call to ggc_alloc_zone_stat.
8508         (make_node_stat): Likewise.  Use tree_id_zone.
8509
8510 2005-03-13  Daniel Jacobowitz  <dan@codesourcery.com>
8511             Joseph S. Myers  <joseph@codesourcery.com>
8512
8513         * configure.ac: Check for MIPS TLS.
8514         * configure: Regenerated.
8515         * config/mips/mips-protos.h (enum mips_symbol_type): Add
8516         SYMBOL_TLS, SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL,
8517         SYMBOL_GOTTPREL, and SYMBOL_TPREL.
8518         * config/mips/mips.c (mips_regno_to_class): Handle V1_REG.
8519         (TARGET_HAVE_TLS, TARGET_CANNOT_FORCE_CONST_MEM): Define.
8520         (mips_classify_symbol, mips_symbolic_constant_p)
8521         (mips_symbolic_address_p, mips_symbol_insns): Handle TLS symbols.
8522         (mips_tls_operand_p, mips_call_tls_get_addr)
8523         (mips_legitimize_tls_address, mips_cannot_force_const_mem)
8524         (mips_tls_symbol_ref_1): New functions.
8525         (mips_legitimize_address, mips_legitimize_const_move): Call
8526         mips_legitimize_tls_address.
8527         (override_options): Handle V1_REG and TLS symbols.  Disable TLS
8528         for MIPS16.
8529         * config/mips/mips.h (enum reg_class, REG_CLASS_NAMES)
8530         (REG_CLASS_CONTENTS, GR_REG_CLASS_P): Include V1_REG.
8531         (mips_char_to_class): Document V1_REG.
8532         (HAVE_AS_TLS): Provide default.
8533         * config/mips/mips.md (UNSPEC_TLS_LDM, UNSPEC_TLS_GET_TP): New
8534         constants.
8535         (load_got<mode>): Renamed from *load_got<mode>.  Allow when
8536         !TARGET_ABICALLS.
8537         (tls_get_tp_<mode>): New instruction.
8538
8539 2005-03-13  Daniel Jacobowitz  <dan@codesourcery.com>
8540
8541         * configure.ac: Update checks for target tools.
8542         * configure: Regenerated.
8543
8544 2005-03-13  Daniel Jacobowitz  <dan@codesourcery.com>
8545
8546         * varasm.c (decl_tls_model): Check flag_shlib instead of flag_pic.
8547
8548 2005-03-13  Roger Sayle  <roger@eyesopen.com>
8549
8550         * expmed.c (expand_mult): Use synthetic multiplication sequences for
8551         more classes of DImode multiplication by constant.  Allow both
8552         multiplication by small negative constants (by performing a
8553         multiplication by a positive constant and negating the result) and
8554         multiplications by large powers of two, by using a left shift.
8555
8556 2005-03-13  Kazu Hirata  <kazu@cs.umass.edu>
8557
8558         * tree-into-ssa.c (find_idf): Speed up by putting the indexes
8559         of basic blocks into work_stack.
8560
8561         * builtin-attrs.def, c-lex.c, c-pragma.h, reg-stack.c,
8562         config/mips/vr.h: Update copyright.
8563
8564         * c-decl.c (c_init_decl_processing): Remove useless calls to
8565         build_function_type.
8566
8567         * builtins.c (fold_trunc_transparent_mathfn,
8568         fold_fixed_mathfn, fold_builtin_atan, fold_builtin_trunc,
8569         fold_builtin_floor, fold_builtin_ceil, fold_builtin_round,
8570         fold_builtin_lround, fold_builtin_bitop, fold_builtin_memcpy,
8571         fold_builtin_strcpy, fold_builtin_strncpy,
8572         fold_builtin_signbit): Use TYPE (TYPE (fndecl)) instead of
8573         TREE_TYPE (exp).
8574
8575         * builtins.c (expand_builtin_mathfn_3): Remove local variable
8576         before_call.
8577
8578         * lambda-code.c (lambda_compute_auxillary_space): Remove local
8579         variable determinant.
8580
8581         * tree-cfg.c (group_case_labels): Remove local variable type.
8582
8583         * tree-ssa-live.c (build_tree_conflict_graph): Remove local
8584         variable ann.
8585
8586         * tree-ssa-phiopt.c (value_replacement): Remove local variable
8587         result.
8588
8589 2005-03-13  Andy Hutchinson  <HutchinsonAndy@netscape.net>
8590
8591         PR target/18251
8592         * config/avr/avr.md (movmemhi): Rewrite as RTL loop.
8593         (*movmemqi_insn): Delete.
8594         (*movmemhi): Delete.
8595
8596 2005-03-13  Kazu Hirata  <kazu@cs.umass.edu>
8597
8598         * builtins.c (fold_builtin_classify): Take decomposed
8599         arguments of CALL_EXPR.
8600         (fold_builtin_1): Update a call to fold_builtin_classify.
8601
8602 2005-03-13  Joseph S. Myers  <joseph@codesourcery.com>
8603
8604         PR c/20402
8605         * c-parser.c (c_parser_struct_or_union_specifier): Don't fall
8606         through into call to parser_xref_tag after parse error.
8607         (c_parser_struct_declaration): Consistently return NULL_TREE on
8608         error.
8609
8610 2005-03-12  Daniel Berlin  <dberlin@dberlin.org>
8611
8612         * tree-flow-inline.h (ref_contains_array_ref): New function.
8613         (lookup_subvars_for_var): Ditto.
8614         (get_subvars_for_var): Ditto.
8615         (var_can_have_subvars): Ditto.
8616
8617         * tree-flow.h (mem_tag_kind): Add STRUCT_FIELD.
8618         (struct subvar): New type.
8619
8620         * tree-dfa.c (okay_component_ref_for_subvars): New function.
8621
8622         * tree-optimize.c (init_tree_optimization_passes): Call
8623         pass_create_structure_vars.
8624
8625         * tree-ssa-alias.c: Include vec.h.
8626         (init_alias_info): Don't auto-clear call clobbered on struct-field
8627         tags.
8628         (compute_flow_insensitive_aliasing): Handle subvars.
8629         (group_aliases): Handle STRUCT_FIELD aliases.
8630         (setup_pointers_and_addressables): Ditto.
8631         Don't mark variables non-addressable if they still have
8632         addressable subvars.
8633         Also mark subvars addressable when the real variable is marked
8634         addressable.
8635         (add_pointed_to_var): Try to prune the pointed-to set by only
8636         pointing to subvars when possible.
8637         Otherwise, make sure we set addresses_needed and pt_vars to
8638         properly include subvars.
8639         (bitpos_of_field): New function.
8640         (push_fields_onto_fieldstack): Ditto.
8641         (get_or_create_used_part_for): Ditto.
8642         (create_overlap_variables_for): Ditto.
8643         (find_used_portions): Ditto.
8644         (create_structure_vars): Ditto.
8645         (pass_create_structure_vars): New structure.
8646
8647         * tree-ssa-operands.c (finalize_ssa_v_must_defs): Remove assert.
8648         (get_expr_operands): Handle subvars.  Also try to turn
8649         COMPONENT_REF accesses into must-defs now that we can accurately
8650         portray it.
8651         (note_addressable): Try to only mark as addressable those subvars
8652         we know a COMPONENT_REF touches.
8653         (overlap_subvar): New function.
8654
8655         * tree-vect-analyze.c (vect_object_analysis): Add new parameter.
8656         Handle subvar storing.
8657         (vect_address_analysis): Update caller of vect_object_analysis.
8658
8659         * tree-vect-transform.c (vect_create_data_ref_ptr): Copy subvars.
8660
8661         * tree-vectorizer.h (struct _stmt_vec_info): Add subvars member.
8662         (STMT_VINFO_SUBVARS): New macro.
8663
8664         * common.opts: add flag_tree_salias.
8665
8666         * opts.c (decode_options): flag_tree_salias defaults to on.
8667
8668         * doc/invoke.texi: Document fdump-tree-svars and -ftree-salias.
8669
8670         * doc/tree-ssa.texi: Document structural alias analysis.
8671
8672 2005-03-12  Steven Bosscher  <stevenb@suse.de>
8673
8674         * tree-cfg.c (make_goto_expr_edges): Don't use error_mark_node.
8675         * tree-ssa-dce.c (mark_stmt_necessary): Don't check for it.
8676         * tree-ssa-operands.c (get_expr_operands): Likewise.
8677         (get_expr_operands): Likewise for ERROR_MARK.
8678
8679 2005-03-12  Kazu Hirata  <kazu@cs.umass.edu>
8680
8681         * tree-ssa.c (kill_redundant_phi_nodes): Remove local variable
8682         var.
8683
8684         * tree-ssa-phiopt.c (tree_ssa_phiopt): Remove local variable
8685         removed_phis.
8686
8687         * tree-ssa-pre.c (compute_avail): Remove local variable val.
8688         (mark_operand_necessary): Remove local variable ver.
8689
8690         * tree-vect-transform.c (vect_get_new_vect_var): Remove local
8691         variable prefix_len.
8692
8693         * value-prof.c (mod_subtract_transform): Remove local variable
8694         value.
8695
8696         * builtins.c (fold_builtin_exponent): Take decomposed
8697         arguments of CALL_EXPR.
8698         (fold_builtin_1): Update a call to fold_builtin_exponent.
8699
8700         * builtins.c (fold_builtin_logarithm): Take decomposed
8701         arguments of CALL_EXPR.
8702         (fold_builtin_1): Update a call to fold_builtin_logarithm.
8703
8704         * c-decl.c (c_init_decl_processing): Remove local variables
8705         ptr_ftype_void and ptr_ftype_ptr.
8706
8707         * gimplify.c (gimplify_expr): Remove local variables r0 and
8708         r1.
8709
8710         * reg-stack.c (move_for_stack_reg): Remove local variable
8711         push_insn.
8712         (compare_for_stack_reg): Remove local variable flags_user.
8713         (convert_regs_1): Remove local variable deleted.
8714
8715         * tree-if-conv.c (tree_if_convert_cond_expr): Remove local
8716         variable new_cond.
8717         (combine_blocks): Remove local variables exits and new_e.
8718
8719         * tree-inline.c (expand_call_inline): Remove local variable
8720         decl.
8721
8722         * tree-ssa-live.c (create_ssa_var_map,
8723         calculate_live_on_entry): Remove local variable snn.
8724
8725 2005-03-12  Geoffrey Keating  <geoffk@apple.com>
8726
8727         * c-lex.c (c_lex_with_flags): Add parameter to call to
8728         cpp_spell_token.
8729
8730 2005-03-11  Per Bothner  <per@bothner.com>
8731
8732         * c-tree.h (struct c_declarator): New id_loc field.
8733         * c-pragma.h (c_lex_with_flags): Take position reference.
8734         * c-lex.c (c_lex_with_flags): Set passed-in location from cpp token,
8735         iff USE_MAPPED_LOCATION. (Type doesn't match otherwise.)
8736         (c_lex): Pass dummy location to c_lex_with_flags.
8737         * c-parser.c (c_lex_one_token): Set c_token's location using
8738         c_lex_with_flags, instead of input_location, which might be "ahead".
8739         (c_parser_direct_declarator): Set declarator's id_loc from
8740         c_token's id_loc.
8741         * c-decl.c (grokdeclarator): Set DECL_SOURCE_LOCATION from
8742         declarator's id_loc, rather than probably-imprecise input_location.
8743         (build_id_declarator): Initialize c_declarator's id_loc field.
8744
8745 2005-03-11  Roger Sayle  <roger@eyesopen.com>
8746
8747         PR middle-end/20419
8748         * builtins.c (expand_builtin_signbit): Force the signbit's word
8749         into an integer register to avoid SUBREGs of floating point modes.
8750
8751 2005-03-12  Kazu Hirata  <kazu@cs.umass.edu>
8752
8753         * cfglayout.c, loop-doloop.c, profile.c, target-def.h,
8754         target.h, targhooks.c, tracer.c, tree-ssa-loop-ch.c,
8755         tree-ssa-loop-unswitch.c, tree-ssa-loop.c, vec.c, vmsdbgout.c,
8756         config/m32r/m32r.md, config/xtensa/xtensa.h: Update copyright.
8757
8758 2005-03-11  David Edelsohn  <edelsohn@gnu.org>
8759
8760         PR rtl-optimization/20306
8761         * expr.c (emit_move_complex): Set try_int false if mode is
8762         MODE_COMPLEX_FLOAT and mov_optab exists for inner mode.  Only try
8763         emit_block_move if try_int is true.
8764
8765 2005-03-11  Richard Henderson  <rth@redhat.com>
8766
8767         PR target/20415
8768         * config/i386/mmx.md (vec_dupv4hi): Fix predicate.
8769         * config/i386/i386.c (ix86_expand_vector_init_duplicate): Update
8770         to match.
8771
8772 2005-03-11  Richard Sandiford  <rsandifo@redhat.com>
8773
8774         * config/mips/mips.h (mips_fix_vr4130_string): Declare.
8775         (TARGET_FIX_VR4130): New macro.
8776         (TARGET_OPTIONS): Add -mfix-vr4130.
8777         (ISA_HAS_MACCHI): New macro.
8778         (ASM_SPEC): Add -mfix-vr4130.
8779         * config/mips/mips.c (mips_fix_vr4130_string): New variable.
8780         (override_options): Handle mips_fix_vr4130_string.
8781         (mips_avoid_hazards): Clear all_noreorder_p
8782         if we're working around VR4130 errata and the macc alternatives
8783         are not available.
8784         * config/mips/mips.md (mfhilo_<mode>): Turn into a define_expand.
8785         (*mfhilo_<mode>, *mfhilo_<mode>_macc): New insns.
8786         * config/mips/vr.h (DEFAULT_VR_ARCH): Set to mfix-vr4130.
8787         (MULTILIB_DEFAULTS): Remove leading "march=".
8788         (DRIVER_SELF_SPECS): Likewise.  Make -mfix-vr4130 imply -march=vr4130
8789         if no architecture option is given.
8790         * config/mips/t-vr (MULTILIB_OPTIONS): Use -mfix-vr4130 for the
8791         VR4130 multilibs.
8792         (MULTILIB_MATCHES): Map -march=vr4130 to the -mfix-vr4130 multilibs.
8793         * doc/invoke.texi: Document -mfix-vr4130.
8794
8795 2005-03-11  Richard Sandiford  <rsandifo@redhat.com>
8796
8797         * config/mips/mips.c (override_options): Only warn about -mint64
8798         deprecation if TARGET_INT64.
8799
8800 2005-03-11  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
8801
8802         * builtin-attrs.def (ATTR_NONNULL_LIST, ATTR_NOTHROW_NONNULL,
8803         ATTR_CONST_NOTHROW_NONNULL, ATTR_PURE_NOTHROW_NONNULL,
8804         ATTR_MALLOC_NOTHROW_NONNULL): New "nonnull" attribute lists which
8805         are non-specific regarding the nonnull parameter positions.
8806         (ATTR_NONNULL_1_2, ATTR_NONNULL_1_4, ATTR_NOTHROW_NONNULL_1_2,
8807         ATTR_NOTHROW_NONNULL_1_4, ATTR_CONST_NOTHROW_NONNULL_1,
8808         ATTR_PURE_NOTHROW_NONNULL_1, ATTR_PURE_NOTHROW_NONNULL_1_2,
8809         ATTR_MALLOC_NOTHROW_NONNULL_1): Delete.
8810
8811         * builtins.def: Use the non-specific "nonnull" attibute lists.
8812
8813 2005-03-11  Zdenek Dvorak  <dvorakz@suse.cz>
8814
8815         * basic-block.h (single_succ_p, single_pred_p, single_succ_edge,
8816         single_pred_edge, single_succ, single_pred): Improve comments.
8817
8818 2005-03-11  Zdenek Dvorak  <dvorakz@suse.cz>
8819
8820         * basic-block.h (single_succ_p, single_pred_p, single_succ_edge,
8821         single_pred_edge, single_succ, single_pred): New inline functions.
8822         * bb-reorder.c (rotate_loop, find_traces_1_round,
8823         add_labels_and_missing_jumps, fix_up_fall_thru_edges,
8824         duplicate_computed_gotos): Use the single_succ/pred functions.
8825         * cfganal.c (forwarder_block_p): Ditto.
8826         * cfgbuild.c (compute_outgoing_frequencies): Ditto.
8827         * cfgcleanup.c (try_simplify_condjump, try_forward_edges,
8828         outgoing_edges_match, try_crossjump_to_edge, try_optimize_cfg,
8829         merge_seq_blocks): Ditto.
8830         * cfghooks.c (split_edge, tidy_fallthru_edges): Ditto.
8831         * cfglayout.c (fixup_reorder_chain): Ditto.
8832         * cfgloop.c (mark_single_exit_loops, update_latch_info,
8833         canonicalize_loop_headers, verify_loop_structure): Ditto.
8834         * cfgloopmanip.c (remove_path, unloop, loop_delete_branch_edge,
8835         mfb_update_loops, create_preheader, force_single_succ_latches,
8836         create_loop_notes): Ditto.
8837         * cfgrtl.c (rtl_can_merge_blocks, try_redirect_by_replacing_jump,
8838         force_nonfallthru_and_redirect, rtl_tidy_fallthru_edge,
8839         commit_one_edge_insertion, purge_dead_edges,
8840         cfg_layout_can_merge_blocks_p): Ditto.
8841         * except.c (sjlj_emit_function_enter): Ditto.
8842         * flow.c (init_propagate_block_info): Ditto.
8843         * function.c (thread_prologue_and_epilogue_insns): Ditto.
8844         * gcse.c (find_implicit_sets, bypass_conditional_jumps,
8845         insert_insn_end_bb): Ditto.
8846         * ifcvt.c (merge_if_block, find_if_block, find_if_case_1,
8847         find_if_case_2): Ditto.
8848         * lambda-code.c (perfect_nestify): Ditto.
8849         * lcm.c (optimize_mode_switching): Ditto.
8850         * loop-doloop.c (doloop_modify): Ditto.
8851         * loop-init.c (loop_optimizer_init): Ditto.
8852         * loop-iv.c (simplify_using_initial_values): Ditto.
8853         * loop-unroll.c (unroll_loop_runtime_iterations): Ditto.
8854         * loop-unswitch.c (unswitch_loop): Ditto.
8855         * modulo-sched.c (generate_prolog_epilog): Ditto.
8856         * predict.c (combine_predictions_for_insn, estimate_probability,
8857         tree_estimate_probability, last_basic_block_p,
8858         estimate_bb_frequencies): Ditto.
8859         * profile.c (branch_prob): Ditto.
8860         * regrename.c (copyprop_hardreg_forward): Ditto.
8861         * sched-rgn.c (is_cfg_nonregular, find_rgns, update_live): Ditto.
8862         * tracer.c (layout_superblocks): Ditto.
8863         * tree-cfg.c (tree_can_merge_blocks_p, tree_merge_blocks,
8864         cfg_remove_useless_stmts_bb, cleanup_control_flow,
8865         cleanup_control_expr_graph, disband_implicit_edges,
8866         tree_find_edge_insert_loc, bsi_commit_edge_inserts,
8867         tree_verify_flow_info, tree_make_forwarder_block,
8868         tree_forwarder_block_p, remove_forwarder_block,
8869         remove_forwarder_block_with_phi, merge_phi_nodes): Ditto.
8870         * tree-if-conv.c (tree_if_conversion): Ditto.
8871         * tree-mudflap.c (mf_build_check_statement_for): Ditto.
8872         * tree-ssa-dce.c (remove_dead_stmt): Ditto.
8873         * tree-ssa-dom.c (dom_opt_finalize_block): Ditto.
8874         * tree-ssa-loop-ch.c (should_duplicate_loop_header_p,
8875         copy_loop_headers): Ditto.
8876         * tree-ssa-loop-im.c (loop_commit_inserts): Ditto.
8877         * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Ditto.
8878         * tree-ssa-loop-manip.c (split_loop_exit_edge, ip_normal_pos,
8879         lv_adjust_loop_entry_edge, tree_ssa_loop_version): Ditto.
8880         * tree-ssa-loop-niter.c (simplify_using_initial_conditions): Ditto.
8881         * tree-ssa-loop-unswitch.c (simplify_using_entry_checks): Ditto.
8882         * tree-ssa-phiopt.c (tree_ssa_phiopt, value_replacement): Ditto.
8883         * tree-ssa-pre.c (compute_antic_aux, insert_aux, init_pre): Ditto.
8884         * tree-ssa-threadupdate.c (redirect_edges): Ditto.
8885         * tree-tailcall.c (independent_of_stmt_p, find_tail_calls,
8886         eliminate_tail_call, tree_optimize_tail_calls_1): Ditto.
8887         * tree-vect-analyze.c (vect_analyze_loop_form): Ditto.
8888         * tree-vect-transform.c (vect_update_ivs_after_vectorizer): Ditto.
8889         * tree-vectorizer.c (slpeel_update_phi_nodes_for_guard,
8890         slpeel_add_loop_guard): Ditto.
8891
8892 2005-03-11  James A. Morrison  <phython@gcc.gnu.org>
8893
8894         PR tree-optimization/15784
8895         * fold-const.c (fold): Fold ~A + 1 to -A.  Fold -A - 1
8896         and -1 - A to ~A.
8897
8898         * stmt.c (expand_case): Don't change index_type.  Convert minval
8899         to the proper type.
8900
8901         PR tree-optimization/20130
8902         * fold-const.c (fold): Fold x * -1 into -x.
8903
8904 2005-03-11  Kaz Kojima  <kkojima@gcc.gnu.org>
8905
8906         PR rtl-optimization/20331
8907         * rtlanal.c (modified_between_p): Check its address first for MEM.
8908         (modified_in_p): Likewise.
8909
8910 2005-03-11  Joseph S. Myers  <joseph@codesourcery.com>
8911
8912         * config.gcc (hppa*64*-*-hpux11*): Use pa/t-hpux-shlib.
8913
8914 2005-03-10  Steven Bosscher  <stevenb@suse.de>
8915
8916         * expr.c (expand_expr_real_1): If possible, use a conditional
8917         move for expanding MIN_EXPR and MAX_EXPR.
8918         Use temp for moving around rtx-en.
8919
8920 2005-03-10  Andrew Pinski  <pinskia@physics.uc.edu>
8921
8922         PR rtl-opt/20412
8923         * simplify-rtx.c (simplify_relational_operation_1): Fix typo - check the
8924         correct mode.
8925
8926 2005-03-10  Roger Sayle  <roger@eyesopen.com>
8927
8928         * builtins.c (expand_builtin_signbit): Extend to handle floating
8929         point modes wider than the largest integer type, using the
8930         operand_subword_force function to obtain the signbit's word.
8931
8932 2005-03-10  Jakub Jelinek  <jakub@redhat.com>
8933
8934         PR target/20322
8935         * combine.c (try_combine): If recog_for_combine added CLOBBERs
8936         to NEWI2PAT, fail to combine if they are used by NEWPAT.
8937
8938 2005-03-10  Aldy Hernandez  <aldyh@redhat.com>
8939
8940         * doc/invoke.texi: Add 8540 to list of cpus in rs6000 cpu section.
8941
8942 2005-03-10  Kazu Hirata  <kazu@cs.umass.edu>
8943
8944         * tree-outof-ssa.c (analyze_edges_for_bb): Make the return
8945         type void.
8946         (perform_edge_inserts): Unconditionally call
8947         free_dominator_info.
8948
8949         * tree-outof-ssa.c (analyze_edges_for_bb): Update a comment.
8950
8951 2005-03-10  Bob Wilson  <bob.wilson@acm.org>
8952
8953         * config/xtensa/xtensa.h (MEMBER_TYPE_FORCES_BLK): Define.
8954
8955 2005-03-10  Nathan Sidwell  <nathan@codesourcery.com>
8956
8957         * bitmap.c (bitmap_copy): Remove manual loop unrolling.
8958
8959         * value-prof.c (rtl_find_values_to_profile): Use gcc_assert and
8960         gcc_unreachable.
8961         (rtl_register_value_prof_hooks,
8962         tree_value_profile_transformations,
8963         tree_register_value_prof_hooks): Likewise.
8964         * var-tracking.c (stack_adjust_offset_pre_post,
8965         variable_htab_free, variable_union, dataflow_set_different_2,
8966         count_uses, variable_was_changed, set_frame_base_location,
8967         set_variable_part, emit_note_insn_var_location, vt_emit_notes,
8968         vt_add_function_parameters): Likewise.
8969         * varasm.c (named_section_real, named_section, make_decl_rtl,
8970         asm_emit_uninitialised, assemble_integer, decode_addr_const,
8971         const_hash_1, compare_constant, copy_constant, force_const_mem,
8972         output_constant_pool_2, output_constant_pool_1, output_constant,
8973         output_constructor, make_decl_one_only, decl_tls_model,
8974         default_no_named_section, default_elf_select_section_1,
8975         default_unique_section_1): Likewise.
8976         * vec.c (vec_gc_o_reserve, vec_heap_o_reserve): Likewise.
8977         * vmsdbgout.c (addr_const_to_string): Likewise.
8978
8979         PR c++/20375
8980         * function.c (struct assign_parm_data_one): Remove last_named
8981         field.
8982         (assign_parm_find_data_types): Don't determine last_named.
8983         Reorder named_parm determination.
8984         (assign_parms): Only setup varargs on the last non-varadic
8985         parameter.
8986
8987 2005-03-10  Kazuhiro Inaoka  <inaoka.lazuhiro@renesas.com>
8988
8989         * config/m32r/m32r.md (load_sda_base_32): New pattern.  Loads
8990         sda base address on medium model.
8991
8992 2005-03-10  Zdenek Dvorak  <dvorakz@suse.cz>
8993
8994         * Makefile.in (tree-optimize.o): Add CFGLOOP_H dependence.
8995         * cfgloop.c (flow_loop_nodes_find): Export.
8996         * cfgloop.h (flow_loop_nodes_find, fix_loop_structure):
8997         Declare.
8998         * cfgloopmanip.c (fix_loop_structure): New function.
8999         * predict.c (predict_loops): Clean up the loops information.
9000         * tree-cfg.c (cleanup_tree_cfg_loop): New function.
9001         (tree_can_merge_blocks_p, remove_bb, tree_forwarder_block_p): Respect
9002         loop structure.
9003         * tree-flow.h (cleanup_tree_cfg_loop): Declare.
9004         (rewrite_into_loop_closed_ssa): Declaration changed.
9005         * tree-loop-linear.c (linear_transform_loops): Add argument to
9006         rewrite_into_loop_closed_ssa call.
9007         * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
9008         * tree-ssa-loop-im.c (move_computations): Ditto.
9009         * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
9010         * tree-vectorizer.c (vectorize_loops): Ditto.
9011         * tree-optimize.c: Include cfgloop.h.
9012         (execute_todo): Choose whether to call cleanup_tree_cfg or
9013         cleanup_tree_cfg_loop.
9014         * tree-ssa-loop-ivcanon.c (canonicalize_loop_induction_variables,
9015         (tree_unroll_loops_completely): Enable cleanup_tree_cfg_loop call.
9016         * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Enable
9017         cleanup_tree_cfg_loop call.
9018         * tree-ssa-loop-manip.c (find_uses_to_rename_bb): New function.
9019         (find_uses_to_rename, rewrite_into_loop_closed_ssa): Support
9020         work on part of cfg.
9021
9022 2005-03-10  Jakub Jelinek  <jakub@redhat.com>
9023
9024         PR inline-asm/20314
9025         * gimplify.c (gimplify_asm_expr): Handle input/output constraints
9026         with multiple alternatives.
9027
9028         * stmt.c (parse_output_constraint): Fix a typo.
9029
9030 2005-03-09  Bob Wilson  <bob.wilson@acm.org>
9031
9032         * config/xtensa/xtensa.h (TRAMPOLINE_TEMPLATE): Use "no-transform"
9033         assembly directive instead of deprecated "no-generics".
9034
9035 2005-03-09  Ulrich Weigand  <uweigand@de.ibm.com>
9036
9037         * config/s390/s390.c (s390_secondary_output_reload_class): Adapt check
9038         for non-offsettable memory references to cope with outstanding reload
9039         replacements.
9040         * config/s390/s390.md ("reload_outti"): Call find_replacement to
9041         avoid losing outstanding address reloads.
9042         ("reload_outdi", "reload_outdf"): Likewise.
9043
9044 2005-03-09  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
9045
9046         * builtins.c (fold_builtin_cbrt, fold_builtin_pow): Rearrange
9047         code.  Add more cbrt transformations.
9048
9049 2005-03-09  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
9050
9051         * fold-const.c (fold_unary_to_constant): Add FIX_ROUND_EXPR case.
9052
9053 2005-03-09  Kazu Hirata  <kazu@cs.umass.edu>
9054
9055         * fold-const.c (fold_unary, fold_binary, fold_ternary): Return
9056         NULL_TREE when a given tree is not simplified.
9057         (fold): Return the original tree when any of the functions
9058         mentioned above NULL_TREE.
9059
9060         * fold-const.c (fold_unary, fold_binary): Take decomposed
9061         arguments, code, type, op0, and op1 in case of fold_binary.
9062         (fold): Update calls to fold_unary and fold_binary.
9063
9064 2005-03-09  Roger Sayle  <roger@eyesopen.com>
9065
9066         * builtins.c (fold_builtin_unordered_cmp): Change prototype to take
9067         a fndecl and an arglist instead of a CALL_EXPR, exp.
9068
9069 2005-03-09  Kazu Hirata  <kazu@cs.umass.edu>
9070
9071         * cfglayout.c (fixup_reorder_chain): Remove old_bb.
9072
9073         * cfgrtl.c (cfg_layout_merge_blocks): Remove new_e.
9074
9075         * expr.c (expand_assignment): Remove orig_to_rtx.
9076
9077         * fold-const.c (int_const_binop): Remove no_overflow.
9078
9079         * ifcvt.c (noce_emit_move_insn): Remove inmode.
9080
9081         * loop-iv.c (get_biv_step_1): Remove lhs.
9082
9083         * loop-unroll.c (analyze_insns_in_loop): Remove preheader.
9084
9085         * real.c (real_nan): Remove neg.
9086
9087         * function.c (thread_prologue_and_epilogue_insns): Remove i
9088         and newinsn.
9089
9090         * tree-data-ref.c (array_base_name_differ_p): Remove ta and
9091         tb.
9092
9093         * tree-eh.c (tree_could_trap_p): Remove idx.
9094
9095         * tree-into-ssa.c (ann): Remove ann.
9096
9097         * tree-outof-ssa.c (num_nodes): Remove num_nodes.
9098
9099         * tree-sra.c (decide_block_copy): Remove inst_count.
9100
9101         * tree-ssa-alias.c (may_alias_p): Remove v_ann.
9102
9103         * tree-ssa-loop-im.c (lhs): Remove.
9104
9105         * cfgbuild.c (state, STATE, SET_STATE,
9106         BLOCK_USED_BY_TABLEJUMP, FULL_STATE): Move just before
9107         make_edges.
9108         (make_edges): Speed up by skipping blocks with BLOCK_ORIGINAL.
9109         (find_basic_blocks): Set the state of each basic block to
9110         BLOCK_NEW.
9111
9112 2005-03-08  Jeff Law  <law@redhat.com>
9113
9114         * tree-cfg.c (cleanup_control_flow): If removal of a computed
9115         goto results in the removal of edges in the CFG, then we need
9116         to recompute dominators.
9117
9118 2005-03-09  Ben Elliston  <bje@au.ibm.com>
9119
9120         * c-common.c (c_do_switch_warnings): Comment fix.
9121
9122 2005-03-08  Julian Brown  <julian@codesourcery.com>
9123
9124         * Patch from 2005-03-08 reverted for causing regressions and
9125         ppc-darwin bootstrap failure.
9126
9127 2005-03-08  Fariborz Jahanian <fjahanian@apple.com>
9128
9129         * config/rs6000/rs6000.c (invalid_arg_for_unprototyped_fn):
9130         Define the real function for ppc-darwin.
9131         * c-typeck.c (convert_arguments): Check for target-specific
9132         invalid argument call to unprototyped function.
9133         * target-def.h (TARGET_INVALID_ARG_FOR_UNPROTOTYPED_FN):
9134         New Macro.
9135         * target.h (invalid_arg_for_unprototyped_fn): New field
9136         in struct calls.
9137         * targhooks.c (hook_invalid_arg_for_unprototyped_fn): New
9138         default target hook.
9139         * targhooks.h (hook_invalid_arg_for_unprototyped_fn):
9140         Declare.
9141
9142 2005-03-08  Kazu Hirata  <kazu@cs.umass.edu>
9143
9144         * c-typeck.c (constructor_stack, constructor_range_stack,
9145         initializer_stack): Make them static.
9146
9147         * cfg.c (rbi_pool): Make it static.
9148
9149         * gimple-low.c (lower_stmt_body): Make it static.
9150         * tree-flow.h: Remove the corresponding prototype.  Don't
9151         declare lower_data.
9152
9153         * sched-deps.c (cache_size): Make it static.
9154
9155         * stor-layout.c (lang_adjust_rli): Make it static.
9156
9157 2005-03-08  Julian Brown  <julian@codesourcery.com>
9158
9159         * config/elfos.h (MAKE_DECL_ONE_ONLY): Redefined to stop DECL_WEAK
9160         from being used for symbols with vague linkage when
9161         HAVE_GAS_COMDAT_GROUP is true.
9162
9163 2005-03-08  J"orn Rennecke <joern.rennecke@st.com>
9164
9165         * jump.c (invert_jump_1): Don't call redirect_jump_1 with
9166         nlabel == JUMP_LABEL (jump).
9167
9168 2005-03-08  Kazu Hirata  <kazu@cs.umass.edu>
9169
9170         * c-common.c, c-opts.c, combine.c, cse.c, dojump.c,
9171         gimplify.c, tree-dfa.c, tree-ssa-loop-ivopts.c,
9172         tree-ssa-phiopt.c, tree-ssa-pre.c, tree-ssa-sink.c,
9173         tree-vect-analyze.c, tree.def, tree.h: Fix comment formatting.
9174
9175 2005-03-08  Alexey Neyman  <alex.neyman@auriga.ru>
9176
9177         PR c/14411
9178         * calls.c (flags_from_decl_or_type): Handle eturns_twice' attribute.
9179         * c-common.c (handle_returns_twice): New function.
9180         (c_common_attribute_table): Declare eturns_twice' attribute.
9181         * doc/extend.texi: Document eturns_twice' attribute.
9182         * tree.h (DECL_IS_RETURNS_TWICE): New macro.
9183         (struct tree_decl): Add returns_twice_flag.
9184
9185 2005-03-08  Kazu Hirata  <kazu@cs.umass.edu>
9186
9187         * tree-ssa-phiopt.c: Fix a comment typo.
9188
9189         * c-semantics.c, cfghooks.c, diagnostic.h, loop-iv.c,
9190         loop-unswitch.c, modulo-sched.c, stor-layout.c, tree-gimple.h,
9191         config/i386/cygwin1.c, doc/cfg.texi, doc/objc.texi: Update
9192         copyright.
9193
9194 2005-03-08  Richard Henderson  <rth@redhat.com>
9195
9196         * config/alpha/alpha.c (code_for_builtin): Replace special-case
9197         builtin codes with ctzdi2, clzdi2, popcountdi2.
9198         (struct alpha_builtin_def): Add is_const.
9199         (zero_arg_builtins, one_arg_builtins, two_arg_builtins): Init it.
9200         (alpha_v8qi_u, alpha_v8qi_s, alpha_v4hi_u, alpha_v4hi_s): New.
9201         (alpha_init_builtins): Init them.  Set nothrow and const attributes
9202         on builtins.
9203         (alpha_fold_builtin_cmpbge, alpha_fold_builtin_zapnot,
9204         alpha_fold_builtin_extxx, alpha_fold_builtin_insxx,
9205         alpha_fold_builtin_mskxx, alpha_fold_builtin_umulh,
9206         alpha_fold_vector_minmax, alpha_fold_builtin_perr,
9207         alpha_fold_builtin_pklb, alpha_fold_builtin_pkwb,
9208         alpha_fold_builtin_unpkbl, alpha_fold_builtin_unpkbw,
9209         alpha_fold_builtin_cttz, alpha_fold_builtin_ctlz,
9210         alpha_fold_builtin_ctpop, alpha_fold_builtin): New.
9211         (TARGET_FOLD_BUILTIN): New.
9212         * config/alpha/alpha.md (UNSPEC_CTTZ): Remove.
9213         (UNSPEC_CTLZ, UNSPEC_CTPOP): Remove.
9214         (ffsdi2): Use ctz.
9215         (cttz, builtin_cttz, builtin_ctlz, builtin_ctpop): Remove.
9216
9217 2005-03-08  Ira Rosen  <irar@il.ibm.com>
9218
9219         PR tree-optimization/20122
9220         * tree-vect-analyze.c (vect_object_analysis): Analyze initial
9221         condition of access function instead of base.
9222
9223 2005-03-07  Jeff Law  <law@redhat.com>
9224             Steven Bosscher  <stevenb@suse.de>
9225
9226         * tree-cfg.c (find_taken_edge_computed_goto): New function.
9227         (find_taken_edge): Call find_taken_edge_computed_goto as
9228         appropriate.  Allow any gimple invariant rather than just
9229         INTEGER_CST for VAL.
9230         (cleanup_control_flow): Cleanup a computed goto which has turned
9231         into a simple goto.
9232         (tree_merge_blocks): If block B has any forced labels, move
9233         them to the start of block A.
9234         * tree-ssa-dom.c (thread_across_edge): Allow threading across
9235         computed gotos as well.
9236         * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Handle
9237         removal of unnecessary computed gotos too.
9238         (lookup_redirection_data): Fix type of INSERT argument.  Callers
9239         updated.
9240
9241 2005-03-08  Kazu Hirata  <kazu@cs.umass.edu>
9242
9243         * tree-ssa-phiopt.c: Update copyright.  Fix indentations.
9244         Remove trailing spaces.
9245
9246         * gimplify.c (gimple_push_bind_expr, gimple_pop_bind_expr,
9247         unshare_all_trees): Make them static.
9248         * tree-gimple.h: Remove the corresponding prototypes.
9249
9250         * diagnostic.h: Remove unused prototype
9251         debug_output_buffer.
9252         * modulo-sched.c: Remove unused prototype
9253         set_row_column_for_ps.
9254
9255         * tree-ssa-phiopt.c (tree_ssa_phiopt,
9256         replace_phi_edge_with_variable): Remove unused variable i.
9257
9258 2005-03-07  Per Bothner  <per@bothner.com>
9259
9260         * tree.h (DECL_IS_BUILTIN): Reverted my patch from earlier today.
9261
9262 2005-03-06  Andrew Pinski  <pinskia@physics.uc.edu>
9263
9264         PR tree-opt/17671
9265         * tree-ssa-phiopt.c (tree_ssa_phiopt): Rewrite so we base the
9266         bbs on the COND_EXPR instead of the PHI_NODEs.
9267         (candidate_bb_for_phi_optimization): Remove.
9268         (replace_phi_with_stmt): Rename to ...
9269         (replace_phi_edge_with_variable): this and change so that we
9270         replace the phi argument instead of removing the PHI.
9271         (conditional_replacement): Change so we deal with PHI with more
9272         than two arguments.
9273         (value_replacement): Likewise.
9274         (abs_replacement): Likewise.
9275
9276 2005-03-07  Aldy Hernandez  <aldyh@redhat.com>
9277
9278         * config/rs6000/rs6000-protos.h: Rename output_e500_flip_eq_bit to
9279         output_e500_flip_gt_bit.
9280
9281         * config/rs6000/rs6000.c (print_operand): case D: Print out bit 31
9282         as bit 31.
9283         (rs6000_generate_compare): Fix logic to look at the correct bits.
9284         (output_e500_flip_eq_bit): Rename to output_e500_flip_gt_bit.
9285         Look at GT bit.
9286         (rs6000_emit_sCOND): Rename gen_e500_flip_eq_bit to
9287         gen_e500_flip_gt_bit.  Rename gen_move_from_CR_eq_bit to
9288         gen_move_from_CR_gt_bit.
9289
9290         * config/rs6000/rs6000.md ("move_from_CR_eq_bit"): Change bit
9291         ("move_from_CR_eq_bit"): Rename to move_from_CR_gt_bit.
9292         (UNSPEC_MV_CR_EQ): Rename to UNSPEC_MV_CR_GT.
9293
9294         * config/rs6000/spe.md ("e500_cr_ior_compare"): New.
9295         (E500_CR_IOR_COMPARE): New constant.
9296
9297 2005-03-08  Earl Chew <earl_chew@agilent.com>
9298             David Billinghurst <David.Billinghurst@riotinto.com>
9299
9300         * config/i386/host-cygwin.c: New file to support precompiled
9301         headers on cygwin
9302         * config/i386/x-cygwin: Use host-cygwin.c on cygwin host
9303         * config.host: Use above files for cygwin host.
9304
9305 2005-03-07  David Edelsohn  <edelsohn@gnu.org>
9306
9307         * fold-const.c (fold_binary_op_with_conditional_arg): Fix typo
9308         ordering ops from earlier change.
9309
9310 2005-03-07  Per Bothner  <per@bothner.com>
9311
9312         Various fixes to allow us to again build if --enable-mapped-location:
9313         * c-decl.c (finish_function): Use SET_EXPR_LOCATION instead of
9314         unavailable annotate_with_file_line, if USE_MAPPED_LOCATION.
9315         * tree-cfg.c (remove_bb): If USE_MAPPED_LOCATION, change type of
9316         local variable loc. Change logic appropriately.
9317         * tree-vect-transform.c (vect_finish_stmt_generation): Use
9318         EXPR_LOCATION rather than EXPR_LOCUS if USE_MAPPED_LOCATION.
9319         * c-parser.c (c_parser_for_statement): Initialize loc variable.
9320         * tree.h (DECL_IS_BUILTIN): Temporarily revert definition of
9321         DECL_IS_BUILTIN in the USE_MAPPED_LOCATION because of jc1 issues.
9322
9323 2005-03-07  Richard Sandiford  <rsandifo@redhat.com>
9324
9325         PR rtl-optimization/19683
9326         * reload1.c (choose_reload_regs): Pass the number of bits, not the
9327         number of bytes, to smallest_int_for_mode.  Fix arguments to
9328         REG_CANNOT_CHANGE_MODE_P.
9329
9330 2005-03-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
9331
9332         * reorg.c (relax_delay_slots): Check that the jump is
9333         conditional before trying to invert it.
9334
9335 2005-03-07  Kazu Hirata  <kazu@cs.umass.edu>
9336
9337         * bb-reorder.c (max_entry_frequency, max_entry_frequency):
9338         Make them static.
9339
9340         * calls (stack_arg_under_construction): Make it static.
9341
9342         * flow.c (regs_live_at_setjmp): Make it static.
9343         * flow.h: Remove the corresponding prototype.
9344
9345         * reload1.c (reload_startobj, reload_firstobj,
9346         something_needs_operands_changed, reload_inherited,
9347         reload_inheritance_insn, reload_override_in,
9348         reload_spill_index): Make them static.
9349
9350         * recog.c (verify_changes): Make it static.
9351         * recog.h: Remove the corresponding prototype.
9352
9353         * cfgbuild.c (find_sub_basic_blocks): Remove.
9354         * basic-block.h: Remove the corresponding prototype.
9355         * cfgexpand.c, cfgrtl.c: Don't mention find_sub_basic_blocks
9356         in comments.
9357         * doc/cfg.texi: Don't mention find_sub_basic_blocks.
9358
9359         * tree-ssa-operands.c (check_build_stmt): Remove.
9360
9361         * stor-layout.c (set_alignment): Remove.
9362         * tree.h: Remove the corresponding prototype.
9363
9364         * tree-ssa-pre.c (has_abnormal_preds): Make it static.
9365
9366         * tree-ssa-dce.c (control_dependence_map,
9367         visited_control_parents): Make them static.
9368
9369         * cfghooks.c (verify_flow_info): Remove local variable
9370         num_bb_notes.
9371
9372         * cfgrtl.c (rtl_verify_flow_info_1): Remove local variable
9373         last_bb_seen.
9374
9375         * loop-unswitch.c (unswitch_loop): Remove local variable src.
9376
9377 2005-03-07  David Billinghurst <David.Billinghurst@riotinto.com>
9378
9379         * config/i386/cygwin1.c(mingw_scan): Use xstrdup in calls to putenv.
9380
9381 2005-03-07  Joseph S. Myers  <joseph@codesourcery.com>
9382
9383         * config/ia64/hpux.h (LINK_SPEC): Add -z.
9384         * config/ia64/ia64.c (ia64_function_value): Return a REG not a
9385         PARALLEL for an empty structure.
9386
9387 2005-03-07  Kazu Hirata  <kazu@cs.umass.edu>
9388
9389         * fold-const.c (fold_binary): Remove handling of RANGE_EXPR.
9390
9391         * fold-const.c (fold_binary): Unroll the very first "for"
9392         loop.
9393
9394 2005-03-06  David Edelsohn  <edelsohn@gnu.org>
9395
9396         * config/rs6000/predicates.md (branch_comparison_operator): Remove
9397         redundant match_code test.
9398         (scc_comparison_operator): Swap match_operand and match_code
9399         tests.
9400         (branch_positive_comparison_operator): Same.
9401         (trap_comparison_operator): Use comparison_operator and swap with
9402         match_code test.
9403
9404 2005-03-06  Marek Michalkiewicz  <marekm@amelek.gda.pl>
9405
9406         PR target/20288
9407         * config/avr/avr.c (print_operand): Add 'p' and 'r'.
9408         (out_movhi_r_mr): Read low byte of volatile MEM first.
9409         (out_movhi_mr_r): Write high byte of volatile MEM first.
9410
9411 2005-03-05  Kazu Hirata  <kazu@cs.umass.edu>
9412
9413         * cselib.c (reg_values, reg_values_size): Make them static.
9414
9415         * cse.c (cse_reg_info_table): Make it static.
9416
9417         * fold-const.c (fold_unary): Use build1 instead of copy_node.
9418
9419 2005-03-06  Zdenek Dvorak  <dvorakz@suse.cz>
9420
9421         * cse.c (find_best_addr): Use canon_for_address.
9422
9423 2005-03-06  Kazu Hirata  <kazu@cs.umass.edu>
9424
9425         * cse.c (fold_rtx_subreg, fold_rtx_mem): New.
9426         (fold_rtx): Call fold_rtx_subreg and fold_rtx_mem to handle
9427         SUBREG and MEM, respectively.
9428
9429         * fold-const.c (fold_binary): Use code instead of t.
9430
9431         * fold-const.c (optimize_minmax_comparison): Take decomposed
9432         arguments code, type, op0, and op1 instead of t.
9433         (fold_binary): Update a call to optimize_minmax_comparison.
9434
9435         * fold-const.c (fold_range_test): Take decomposed arguments
9436         code, type, op0, and op1 instead of t.
9437         (fold_binary): Update a call to fold_range_test.
9438
9439         * fold-const.c (fold_binary_op_with_conditional_arg): Take
9440         decomposed arguments code, type, op0, and op1 instead of t.
9441         (fold_binary): Update a call to fold_range_test.
9442
9443 2005-03-06  Kazu Hirata  <kazu@cs.umass.edu>
9444
9445         * fold-const.c (fold_binary): Avoid directly using the original
9446         expression t as much as possible.
9447
9448 2005-03-05  Kazu Hirata  <kazu@cs.umass.edu>
9449
9450         * c-semantics.c (build_stmt): Use TYPE_P instead of
9451         IS_NON_TYPE_CODE_CLASS.
9452         * tree.h (IS_NON_TYPE_CODE_CLASS): Remove.
9453         (NON_TYPE_CHECK): Use TYPE_P instead of
9454         IS_NON_TYPE_CODE_CLASS.
9455
9456         * fold-const.c (fold): Remove handling of binary expressions.
9457
9458 2005-03-05  James A. Morrison  <phython@gcc.gnu.org>
9459
9460         * doc/c-tree.texi: Wrap comments in @r{}.
9461         * doc/cpp.texi: Likewise.
9462         * doc/cppinternals.texi: Likewise.
9463         * doc/extend.texi: Likewise.
9464         * doc/md.texi: Likewise.
9465         * doc/objc.texi: Likewise.
9466         * doc/sourcebuild.texi: Likewise.
9467         * doc/tm.texi: Likewise.
9468         * doc/tree-ssa.texi
9469
9470 2005-03-05  Kazu Hirata  <kazu@cs.umass.edu>
9471
9472         * predict.c (apply_return_prediction): Standardize PHI chain
9473         walking.
9474         * tree-ssa.c (ssa_redirect_edge): Likewise.
9475
9476         * genattrtab.c, genemit.c, genoutput.c, genrecog.c,
9477         gensupport.c, jump.c, tree-phinodes.c, unwind-dw2-fde-glibc.c:
9478         Update copyright.
9479
9480         * tree-phinodes.c (remove_phi_node): Drop the last argument.
9481         * tree-flow.h: Adjust the prototype for remove_phi_node.
9482         * lambda-code.c (perfect_nestify): Adjust a call to
9483         remove_phi_node.
9484         * tree-cfg.c
9485         (remove_phi_nodes_and_edges_for_unreachable_block): Likewise.
9486         * tree-outof-ssa.c (eliminate_virtual_phis, remove_ssa_form):
9487         Likewise.
9488         * tree-ssa-dce.c (remove_dead_phis): Likewise.
9489         * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
9490         * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
9491         * tree-ssa.c (kill_redundant_phi_nodes): Likewise.
9492
9493         * combine.c (simplify_and_const_int): Use gen_int_mode instead
9494         of GEN_INT (trunc_int_for_mode (...)).
9495         * loop-iv.c (iv_number_of_iterations): Likewise.
9496         * postreload.c (reload_cse_move2add): Likewise.
9497         * simplify-rtx.c (simplify_const_unary_operation,
9498         simplify_const_binary_operation): Likewise.
9499         * stor-layout.c (get_mode_bounds): Likewise.
9500
9501         * fold-const.c (fold_binary): New.
9502         (fold): Call fold_binary on binary expressions.
9503
9504 2005-03-05  Richard Sandiford  <rsandifo@redhat.com>
9505
9506         * doc/invoke.texi: Document new MIPS -msym32 and -mno-sym32 options.
9507         * config/mips/mips.h (MASK_SYM32, TARGET_SYM32): New macros.
9508         (TARGET_SWITCHES): Add -msym32 and -mno-sym32.
9509         (ABI_HAS_64BIT_SYMBOLS): Set to false if TARGET_SYM32.
9510         (ASM_SPEC): Pass down -msym32 and -mno-sym32.
9511
9512 2005-03-04  Devang Patel  <dpatel@apple.com>
9513
9514         PR tree-optimization/18815
9515         * tree-if-conv.c (combine_blocks): Adjust loop header edges for
9516         loops with zero exit edges.
9517
9518 2005-03-04  Devang Patel  <dpatel@apple.com>
9519
9520         * doc/invoke.texi: Remove reference to webpage that does not exist.
9521
9522 2005-03-04  John David Anglin  <dave.danglin@nrc-cnrc.gc.ca>
9523             Joseph S. Myers  <joseph@codesourcery.com>
9524
9525         PR c++/19797
9526         * pa/elf.h, pa64-hpux.h, som.h (ASM_OUTPUT_EXTERNAL_REAL): Define.
9527         (ASM_OUTPUT_EXTERNAL): Call pa_hpux_asm_output_external.
9528         * pa-protos.h (pa_hpux_asm_output_external): Add prototype.
9529         * pa.c (get_plabel): Change argument to symbol_ref.  Call
9530         maybe_get_identifier instead of get_identifier.
9531         (pa_hpux_asm_output_external, pa_hpux_file_end): New functions.
9532         (struct deferred_plabel): Replace name field with symbol field.
9533         (TARGET_ASM_FILE_END): Define as pa_hpux_file_end if
9534         ASM_OUTPUT_EXTERNAL_REAL is defined.
9535         (output_global_address): Use output_addr_const for output of all
9536         symbol_refs.
9537         (output_deferred_plabels): Use symbol_ref instead of name for address
9538         output.
9539         * pa.h (SYMBOL_FLAG_REFERENCED, SYMBOL_REF_REFERENCED_P,
9540         ASM_OUTPUT_SYMBOL_REF): New macros.
9541         * som.h (ASM_OUTPUT_EXTERNAL_LIBCALL): Use assemble_name_raw.  Update
9542         comment.
9543         (ASM_WEAKEN_LABEL): Use targetm.asm_out.globalize_label to globalize
9544         label.
9545
9546 2005-03-05  Joseph S. Myers  <joseph@codesourcery.com>
9547
9548         * config.gcc (hppa*64*-*-hpux11*): Use pa/pa-hpux1111.h for
9549         *-*-hpux11.[1-9]*, not just for *-*-hpux11.11.
9550
9551 2005-03-04  Jeff Law  <law@redhat.com>
9552
9553         * basic-block.h (rediscover_loops_after_threading): Declare.
9554         * tree-ssa-dom.c: Include cfgloop.h.
9555         (tree_ssa_dominator_optimize): Discover loops and some basic
9556         properties.  Remove forwarder blocks recreated by loop header
9557         canonicalization.  Also mark backedges in the CFG.
9558         * tree-ssa-threadupdate.c: Include cfgloop.h
9559         (rediscover_loops_after_threading): Define.
9560         (struct local_info): New field, JUMP_THREADED.
9561         (prune_undesirable_thread_requests): New function.
9562         (redirect_edges): Clear EDGE_ABNORMAL.  If edges were threaded
9563         then record that fact for the callers of redirct_edges.
9564         (thread_block): If BB has incoming backedges, then call
9565         prune_undesirable_thraed_requests.    Note when we are
9566         going to have to rediscover loop information.  Return a
9567         boolean indicating if any jumps were threaded.
9568         (thread_through_all_blocks): Bubble up boolean indicating
9569         if any jumps were threaded.
9570         * Makefile.in (tree-ssa-dom.o): Depend on cfgloop.h
9571         (tree-ssa-threadupdate.o): Similarly.
9572
9573 2005-03-04  Kazu Hirata  <kazu@cs.umass.edu>
9574
9575         * fold-const.c (fold_ternary): Unroll the "for" loop to
9576         extract operands.
9577
9578 2005-03-04  Andrew Haley  <aph@redhat.com>
9579
9580         * unwind-dw2-fde-glibc.c (struct
9581         unw_eh_callback_data.check_cache): New field.
9582         (frame_hdr_cache): New.
9583         (_Unwind_IteratePhdrCallback): Add ext_dl_phdr_info.
9584         Cache frame header info.
9585
9586 2005-03-04  Richard Sandiford  <rsandifo@redhat.com>
9587
9588         * rtl.h (copy_rtx_ptr_loc, print_rtx_ptr_loc, join_c_conditions)
9589         (print_c_condition): Declare.
9590         * read-rtl.c (ptr_loc): New structure.
9591         (ptr_locs, ptr_loc_obstack, joined_conditions)
9592         (joined_conditions_obstack): New variables.
9593         (leading_ptr_hash, leading_ptr_eq_p, set_rtx_ptr_loc)
9594         (get_rtx_ptr_loc, copy_rtx_ptr_loc, print_rtx_ptr_loc)
9595         (join_c_conditions, print_c_condition): New functions.
9596         (apply_macro_to_string): Associate the new string with the same
9597         source location as the old one.
9598         (add_condition_to_string): Use join_c_conditions.
9599         (read_string): Use set_rtx_ptr_loc to record a filename and line
9600         number for the string.
9601         (read_rtx): Initialize the new variables above.
9602         * genattrtab.c (write_test_expr, write_attr_value): Use
9603         print_c_condition.
9604         * genconditions.c (write_header): Don't define MAYBE_EVAL.  Move its
9605         comment above the GCC_VERSION check.
9606         (write_one_condition): Use print_rtx_ptr_loc and print_c_condition.
9607         Inline the definition of MAYBE_EVAL.
9608         * genemit.c (gen_expand, gen_split): Use print_rtx_ptr_loc.
9609         * genoutput.c (process_template): Likewise.
9610         * genpreds.c (write_predicate_subfunction): Likewise.
9611         (write_predicate_expr): Use print_c_condition.
9612         * genrecog.c (write_cond): Likewise.
9613         * gensupport.c (process_rtx): Use join_c_conditions to join the
9614         conditions of a define_insn_and_split.  Record a source location
9615         for the string after the "&&".
9616         (alter_test_for_insn): Use join_c_conditions.
9617
9618 2005-03-04  Andrew Pinski  <pinskia@physics.uc.edu>
9619
9620         Revert for now:
9621         2005-03-03  James A. Morrison  <phython@gcc.gnu.org>
9622         PR tree-optimization/15784
9623         * fold-const.c (fold): Fold ~A + 1 to -A.  Fold -A - 1
9624         and -1 - A to ~A.
9625
9626 2005-03-04  Ben Elliston  <bje@au.ibm.com>
9627
9628         * gcc.c (option_map): Add --coverage.
9629         (LINK_COMMAND_SPEC): Pass -lgcov for `coverage'.
9630         (cc1_options): Pass -fprofile-arcs -ftest-coverage for `coverage'.
9631         * config/darwin.h: Pass -lgcov for `coverage'.
9632         * doc/invoke.texi (Debugging Options): Document --coverage.
9633
9634 2005-03-04  Kazu Hirata  <kazu@cs.umass.edu>
9635
9636         * gcse.c (bypass_block): Use find_edge wherever possible.
9637
9638 2005-03-03  Daniel Berlin <dberlin@dbrelin.org>
9639
9640         Fix PR debug/20253
9641
9642         * c-opts.c (c_common_parse_file): Call start_source_file
9643         and end_source_file at the approriate times.
9644
9645         * dwarf2out.c (dwarf2out_finish): Don't auto-end
9646         the main file, it will be done for us now.
9647
9648 2005-03-04  Kazu Hirata  <kazu@cs.umass.edu>
9649
9650         * fold-const.c (fold_ternary): New.
9651         (fold): Call fold_ternary on ternary expressions.  Remove
9652         handling of ternary expressions.
9653
9654 2005-03-03  James A. Morrison  <phython@gcc.gnu.org>
9655
9656         PR tree-optimization/15784
9657         * fold-const.c (fold): Fold ~A + 1 to -A.  Fold -A - 1
9658         and -1 - A to ~A.
9659
9660 2005-03-03  David Edelsohn  <edelsohn@gnu.org>
9661
9662         * config/rs6000/predicates.md (branch_comparison_operator):
9663         Convert from C block to conditional format.
9664
9665 2005-03-03  Jan Hubicka  <jh@suse.cz>
9666
9667         * tree-dfa.c (add_referenced_var): Don't walk initializer of external
9668         and non-constant public variables.
9669
9670 2005-03-03  Kazu Hirata  <kazu@cs.umass.edu>
9671
9672         * tree-cfg.c (stmt_starts_bb_p): Clean up by replacing code
9673         with LABEL_EXPR.
9674
9675         * cfgexpand.c (construct_exit_block): Use EDGE_PRED instead of
9676         EDGE_I.
9677
9678         * tree-phinodes.c (remove_phi_node): Clean up by factoring out
9679         calls to release_ssa_name and release_phi_node.
9680
9681         * fold-const.c (fold): Remove handling of unary expressions.
9682
9683         * fold-const.c (fold_unary): Avoid directly using the original
9684         expression t as much as possible.
9685
9686 2005-03-03  Roger Sayle  <roger@eyesopen.com>
9687             Andrew Pinski  <pinskia@physics.uc.edu>
9688
9689         * jump.c (redirect_exp_1): If nlabel is a NULL pointer create a
9690         RETURN rtx, and not a LABEL_REF containing a NULL pointer.
9691
9692 2005-03-03  Hans-Peter Nilsson  <hp@axis.com>
9693
9694         Describe special registers SRP and MOF as allocatable registers.
9695         * config/cris/cris.c (cris_md_asm_clobbers): New function.
9696         (TARGET_MD_ASM_CLOBBERS): Define to cris_md_asm_clobbers.
9697         (cris_conditional_register_usage): Enable CRIS_MOF_REGNUM if
9698         TARGET_HAS_MUL_INSNS.
9699         (cris_print_operand) <case 'd'>: New case.
9700         <case REG>: Allow CRIS_MOF_REGNUM and CRIS_SRP_REGNUM.
9701         * config/cris/cris.h (CRIS_PC_REGNUM, CRIS_SRP_REGNUM): Don't
9702         define.
9703         (FIRST_PSEUDO_REGISTER, FIXED_REGISTERS, CALL_USED_REGISTERS)
9704         (REG_ALLOC_ORDER): Update for MOF.
9705         (enum reg_class): New members MOF_REGS, GENERAL_REGS and
9706         SPECIAL_REGS.
9707         (GENERAL_REGS): No longer a define of ALL_REGS.
9708         (REGNO_REG_CLASS, REG_CLASS_CONTENTS, REG_CLASS_NAMES)
9709         (PREFERRED_RELOAD_CLASS, REGISTER_NAMES, DBX_REGISTER_NUMBER):
9710         Adjust accordingly.
9711         (CRIS_SPECIAL_REGS_CONTENTS): New macro.
9712         (REG_CLASS_FROM_LETTER): Allocate 'h' and 'x'.
9713         (SECONDARY_RELOAD_CLASS): Define.
9714         (STACK_POINTER_REGNUM): Define as CRIS_SP_REGNUM.
9715         (FRAME_POINTER_REGNUM): Define as CRIS_FP_REGNUM.
9716         (ARG_POINTER_REGNUM): Define as CRIS_AP_REGNUM.
9717         (STATIC_CHAIN_REGNUM): Define as CRIS_STATIC_CHAIN_REGNUM.
9718         (REGISTER_MOVE_COST): Define.
9719         (PIC_OFFSET_TABLE_REGNUM): Define in terms of CRIS_GOT_REGNUM.
9720         * config/cris/cris.md (CRIS_GOT_REGNUM, CRIS_STATIC_CHAIN_REGNUM)
9721         (CRIS_FP_REGNUM, CRIS_SP_REGNUM, CRIS_SRP_REGNUM, CRIS_AP_REGNUM)
9722         (CRIS_MOF_REGNUM): New define_constants.
9723         ("*movsi_internal", "movhi", "movqi", "movsf"): Add alternatives for
9724         special registers.
9725         ("reload_inhi", "reload_outhi", "reload_inqi", "reload_outqi"):
9726         New patterns.
9727         ("umulhisi3", "umulqihi3", "mulsi3", "mulqihi3", "mulhisi3")
9728         ("mulsidi3", "umulsidi3", "smulsi3_highpart", "umulsi3_highpart"):
9729         Adjust for MOF being properly described as a register.
9730         (indir_to_reg_split): Name this split.  Conditionalize on the
9731         destination register being a general register.
9732         (movei): Conditionalize on on operands 0 and 1 having the same
9733         register class.
9734
9735 2005-03-03  Alan Modra  <amodra@bigpond.net.au>
9736
9737         PR target/20277
9738         * config/rs6000/rs6000.c (rs6000_override_options): Don't allow
9739         -mcpu to override any other explicitly given flags.
9740
9741 2005-03-02  J"orn Rennecke <joern.rennecke@st.com>
9742
9743         * recog.c (verify_changes, confirm_change_group): New functions,
9744         broken out of apply_change_group.
9745         (apply_change_group): Use them.
9746         * recog.h (verify_change, confirm_change_group): Declare.
9747         * rtl.h (redirect_jump_2): Declare.
9748         * jump.c (redirect_exp, invert_exp): Delete.
9749         (invert_exp_1): Take second parameter.  Return value.  Changed caller.
9750         (redirect_jump_2): New function, broken out of redirect_jump.
9751         (redirect_jump): Use redirect_jump_1 and redirect_jump_2.
9752         (invert_jump): Use invert_jump_1 and redirect_jump_2.
9753         * ifcvt.c (dead_or_predicable): Use redirect_jump_2.
9754
9755 2005-03-02  Geoffrey Keating  <geoffk@apple.com>
9756
9757         * varasm.c (named_section): Use xstrdup rather than doing it by
9758         hand.
9759
9760         * config/darwin8.h (LIB_SPEC): Switch -lmx and -lSystem.
9761
9762 2005-03-02  Devang Patel  <dpatel@apple.com>
9763
9764         Undo PR tree-optimization/18815 fix.
9765
9766 2005-03-02  Devang Patel  <dpatel@apple.com>
9767
9768         PR tree-optimization/18815
9769         * tree-if-conv.c (combine_blocks): Adjust loop header edges for
9770         loops with zero exit edges.
9771
9772 2005-03-02  Kazu Hirata  <kazu@cs.umass.edu>
9773
9774         * cfg.c (connect_src, connect_dest, disconnect_src,
9775         disconnct_dest): New.
9776         (unchecked_make_edge, remove_edge, redirect_edge_succ,
9777         redirect_edge_pred): Use the new functions.
9778
9779         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Call
9780         free_dominance_info only when needed.
9781
9782 2005-03-02  David Edelsohn  <edelsohn@gnu.org>
9783
9784         PR target/20276
9785         * config/rs6000/predicates.md (reg_or_cint64_operand): Fix typo.
9786         (reg_or_sub_cint64_operand): Same.
9787
9788 2005-03-02  Jeff Law  <law@redhat.com>
9789
9790         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Fix setting of
9791         CFG_ALTERED in the main DOM iteration loop.
9792
9793 2005-03-02  Mark Mitchell  <mark@codesourcery.com>
9794
9795         PR c++/19916
9796         * varasm.c (initializer_constant_valid_p): Allow conversions
9797         between OFFSET_TYPEs.  Tidy.
9798
9799 2005-03-02  Hans-Peter Nilsson  <hp@axis.com>
9800
9801         * config/cris/cris.md ("return"): Remove epilogue delay list
9802         sanity check.
9803
9804 2005-03-02  Daniel Jacobowitz  <dan@codesourcery.com>
9805
9806         * config/arm/linux-elf.h (ARM_FUNCTION_PROFILER): Do not use (PLT)
9807         for Thumb.
9808         * config/arm/netbsd-elf.h (ARM_FUNCTION_PROFILER): Likewise.
9809
9810 2005-03-02  Kazu Hirata  <kazu@cs.umass.edu>
9811
9812         * cfgloop.h, cfgloopanal.c, cfgloopmanip.c, conflict.c,
9813         loop-init.c, loop-unroll.c, print-tree.c, reg-notes.def,
9814         config/m68k/m68k.c, config/mips/mips.h,
9815         config/rs6000/rs6000-protos.h, doc/contrib.texi,
9816         doc/include/gcc-common.texi: Update copyright.
9817
9818         PR middle-end/18029 and PR middle-end/18030
9819         * expr.c (optimize_bitfield_assignment_op): Add a special case
9820         to handle BIT_IOR_EXPR and BIT_XOR_EXPR.
9821
9822         * fold-const.c (fold_unary): New.
9823         (fold): Call fold_unary on unary expressions.
9824
9825 2005-03-02  Richard Guenther  <rguenth@gcc.gnu.org>
9826
9827         * cgraph.h (struct cgraph_edge): Add prev_caller and
9828         prev_callee fields.
9829         (cgraph_node_remove_callees): Export.
9830         * cgraph.c (cgraph_create_edge): Initialize prev_caller
9831         and prev_callee.
9832         (cgraph_edge_remove_callee): New function.
9833         (cgraph_edge_remove_caller): Likewise.
9834         (cgraph_remove_edge): Use.
9835         (cgraph_redirect_edge_callee): Likewise.
9836         (cgraph_node_remove_callees): New function.
9837         (cgraph_node_remove_callers): Likewise.
9838         (cgraph_remove_node): Use.
9839         * tree-optimize.c (tree_rest_of_compilation): Use
9840         cgraph_node_remove_callees instead of manual loop.
9841         * cgraphunit.c (cgraph_finalize_function): Likewise.
9842         (cgraph_expand_function): Likewise.
9843         (cgraph_remove_unreachable_nodes): Likewise.
9844
9845 2005-03-02  Joseph S. Myers  <joseph@codesourcery.com>
9846
9847         PR c/8927
9848         * c-tree.h (undeclared_variable, build_external_ref): Add extra
9849         argument.
9850         * c-decl.c (undeclared_variable): Take location as argument.
9851         * c-typeck.c (build_external_ref): Likewise.
9852         * c-parser.c (c_parser_postfix_expression): Pass location of
9853         identifier to build_external_ref.
9854
9855 2005-03-01  David Edelsohn  <edelsohn@gnu.org>
9856
9857         * config/rs6000/rs6000.md (cceq splitter): Use operand mode, not
9858         CCEQ mode for branch_positive_comparison_operator test.
9859         * config/rs6000/predicates (branch_comparison_operator): Revert to
9860         define_predicate.
9861         (scc_comparison_operator): Same.
9862         (branch_positive_comparison_operator): Same.
9863
9864 2005-03-01  Hans-Peter Nilsson  <hp@axis.com>
9865
9866         * config/cris/cris.c (cris_eligible_for_epilogue_delay)
9867         (cris_delay_slots_for_epilogue): Remove.
9868         (save_last): Move into cris_target_asm_function_epilogue.
9869         (cris_target_asm_function_epilogue): Remove tests for file being
9870         NULL.
9871         * config/cris/cris-protos.h (cris_eligible_for_epilogue_delay)
9872         (cris_delay_slots_for_epilogue): Remove prototypes.
9873         * config/cris/cris.h (DELAY_SLOTS_FOR_EPILOGUE)
9874         (ELIGIBLE_FOR_EPILOGUE_DELAY): Do not define.
9875
9876 2005-03-01  David Edelsohn  <edelsohn@gnu.org>
9877
9878         * config/rs6000/predicates.md (branch_comparison_operator): Change
9879         to define_special_predicate.
9880         (scc_comparison_operator): Same.
9881         (branch_positive_comparison_operator): Same.
9882
9883 2005-03-01  Daniel Berlin <dberlin@dberlin.org>
9884
9885         * Makefile.in (tree-ssa-sink.o): New.
9886         (OBJS-common): Add tree-ssa-sink.o.
9887         * common.opt: Add -ftree-sink
9888         * opts.c (decode_options): flag_tree_sink is set at O1 or higher.
9889         * timevar.def (TV_TREE_SINK): new timevar.
9890         * tree-flow.h (is_hidden_global_store): Prototype.
9891         * tree-optimize.c (init_tree_optimization_passes): Add
9892         pass_sink_code.
9893         * tree-pass.h (pass_sink_code): New.
9894         * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Move checking
9895         for non-obvious global store store to is_hidden_global_store, and
9896         call that new function.
9897         * tree-ssa-sink.c: New file.
9898         * doc/invoke.texi: Document -fdump-tree-sink and -ftree-sink.
9899         * doc/passes.texi: Document forward store motion.
9900         * testsuite/gcc.dg/tree-ssa/ssa-sink-1.c: New test
9901         * testsuite/gcc.dg/tree-ssa/ssa-sink-2.c: New test
9902         * testsuite/gcc.dg/tree-ssa/ssa-sink-3.c: New test
9903         * testsuite/gcc.dg/tree-ssa/ssa-sink-4.c: New test
9904
9905 2005-03-01  Per Bothner  <per@bothner.com>
9906
9907         * diagnostic.c (diagnostic_build_prefix): If USE_MAPPED_LOCATION
9908         and we have a non-zero column-number, add it to the message.
9909         Also factor out the diagnostic_kind_text.
9910
9911 2005-03-01  Zdenek Dvorak  <dvorakz@suse.cz>
9912
9913         * cfgloop.c (flow_loop_entry_edges_find, flow_loop_exit_edges_find,
9914         flow_loop_pre_header_scan, flow_loop_pre_header_find,
9915         flow_loop_scan): Removed.
9916         (flow_loop_dump): Do not dump removed fields.
9917         (flow_loop_free): Do not free removed fields.
9918         (flow_loops_find): Flags argument removed.  Do not call flow_loop_scan.
9919         (loop_exit_edge_p): New function.
9920         * cfgloop.h (struct loop): Removed fields pre_header, pre_header_edges,
9921         num_pre_header_edges, entry_edges, num_entries, exit_edges,
9922         num_exits, exits_doms.
9923         (LOOP_TREE, LOOP_PRE_HEADER, LOOP_ENTRY_EDGES, LOOP_EXIT_EDGES,
9924         LOOP_EDGES, LOOP_ALL): Removed.
9925         (flow_loop_scan): Declaration removed.
9926         (loop_exit_edge_p, mark_loop_exit_edges): Declare.
9927         * cfgloopmanip.c (create_loop_notes): Do not pass flags to
9928         flow_loops_find.
9929         * ifcvt.c (mark_loop_exit_edges): Moved to cfgloopanal.c.
9930         (if_convert): Call flow_loops_find and flow_loops_free
9931         when calling mark_loop_exit_edges.
9932         * cfgloopanal.c (mark_loop_exit_edges): Moved from
9933         ifcvt.c.  Removed the flow_loops_find, flow_loops_free and
9934         free_dominance_info calls.
9935         * loop-init.c (flow_loops_find): Ditto.
9936         * passes.c (rest_of_handle_branch_prob): Ditto.
9937         * lambda-code.c (perfect_nestify): Do not call flow_loops_find.
9938         * loop-unroll.c (analyze_insns_in_loop): Do not use
9939         EDGE_LOOP_EXIT.
9940         * predict.c (predict_loops): Do not call flow_loop_scan.
9941         Use get_loop_exit_edges.
9942         (tree_estimate_probability): Do not pass flags to flow_loops_find.
9943         * tree-if-conv.c (bb_with_exit_edge_p): Take loop as argument.
9944         Do not use EDGE_LOOP_EXIT.
9945         (tree_if_convert_cond_expr, if_convertible_modify_expr_p): Pass loop
9946         to bb_with_exit_edge_p.
9947         (if_convertible_loop_p): Do not call flow_loop_scan.  Use
9948         loop->single_exit.  Do not use EDGE_LOOP_EXIT.  Pass loop
9949         to bb_with_exit_edge_p.
9950         (combine_blocks): Pass loop to bb_with_exit_edge_p.  Do not use
9951         EDGE_LOOP_EXIT.
9952         * tree-loop-linear.c (linear_transform_loops): Do not call
9953         flow_loop_scan.  Use loop->single_exit.
9954         * tree-vect-analyze.c (vect_analyze_operations): Use loop->single_exit.
9955         (vect_analyze_loop_form): Do not call flow_loop_scan.
9956         * tree-vect-transform.c (vect_update_ivs_after_vectorizer): Use
9957         loop->single_exit.
9958         (vect_do_peeling_for_loop_bound): Use loop_preheader_edge and
9959         loop->single_exit.
9960         * tree-vectorizer.c (slpeel_update_phis_for_duplicate_loop,
9961         slpeel_make_loop_iterate_ntimes, slpeel_can_duplicate_loop_p,
9962         slpeel_tree_duplicate_loop_to_edge_cfg,
9963         slpeel_verify_cfg_after_peeling, slpeel_tree_peel_loop_to_edge):
9964         Use loop_preheader_edge and loop->single_exit.  Do not call
9965         flow_loop_scan.
9966
9967 2005-03-01  Nick Clifton  <nickc@redhat.com>
9968
9969         * config/arm/arm.c (thumb_find_work_register): Check all of the
9970         argument registers to see if they are free, and a couple of
9971         special cases where the last argument register but can be proved
9972         to be available during the function's prologue.
9973         (print_multi_reg, arm_compute_save_reg0_reg12_mask,
9974         output_return_instruction, emit_multi_reg_push, thumb_pushpop,
9975         thumb_unexpanded_epilogue): Use unsigned long as the type for the
9976         register bit-mask.
9977         (thumb_compute_save_reg_mask): Likewise.  Also use
9978         thumb_find_work_register() to ensure that there is agreement about
9979         which work register is going to be used in the prologue.
9980         (thumb_output_function_prologue): Use unsigned long as the type
9981         for the register bit-mask.  Also delay pushing the link register if
9982         other high registers are going to be pushed.
9983         (thumb_compute_save_reg_mask, emit_multi_reg_push,
9984         print_multi-reg, number_of_first_bit_set, thumb_pushpop): Remove
9985         redundant prototypes.
9986
9987 2005-02-28  John David Anglin  <dave.anglin#nrc-cnrc.gc.ca>
9988
9989         PR target/19819
9990         * pa.h (GO_IF_LEGITIMATE_ADDRESS): Allow allow hard registers during
9991         and after reload in REG+REG indexed addresses without REG_POINTER
9992         set in the base and not set in the index.
9993
9994 2005-02-28  Kaz Kojima  <kkojima@gcc.gnu.org>
9995
9996         * config/sh/linux.h (MD_EXEC_PREFIX, MD_STARTFILE_PREFIX):
9997         Don't undefine here.
9998         (HANDLE_PRAGMA_PACK_PUSH_POP): Delete.
9999         (NO_IMPLICIT_EXTERN_C, CPLUSPLUS_CPP_SPEC): Likewise.
10000         (TARGET_OS_CPP_BUILTINS): Use LINUX_TARGET_OS_CPP_BUILTINS.
10001         (LIB_SPEC, LINK_EH_SPEC, STARTFILE_SPEC, ENDFILE_SPEC,
10002         LINK_GCC_C_SEQUENCE_SPEC, USE_LD_AS_NEEDED, TARGET_C99_FUNCTIONS):
10003         Delete.
10004         * config.gcc (sh*-*-linux*): Use config/linux.h.
10005
10006 2005-02-28  Dale Johannesen  <dalej@apple.com>
10007             Stan Shebs  <shebs@apple.com>
10008
10009         Rewrite of 64-bit Darwin structure-by-value pass/return.
10010         * config/rs6000/rs6000.h (CUMULATIVE_ARGS): New fields
10011         intoffset, use_stack, named.
10012         * config/rs6000/rs6000.c (rs6000_darwin64_function_arg):  Remove.
10013         (rs6000_darwin64_record_arg_advance_flush):  New.
10014         (rs6000_darwin64_record_arg_advance_recurse): New.
10015         (rs6000_darwin64_record_arg_flush):  New.
10016         (rs6000_darwin64_record_arg_recurse):  New.
10017         (rs6000_darwin64_record_arg):  New.
10018         (rs6000_return_in_memory):  Remove AGGREGATE_TYPE_P check.
10019         (function_arg_boundary):  Handle 128-bit aligned structs.
10020         (function_arg_advance):  Rewrite darwin64 struct handling.
10021         (function_arg):  Call rs6000_darwin64_record_arg.
10022         (function_arg_partial_nregs):  Handle darwin64 structs.
10023         (rs6000_darwin64_function_value):  Remove.
10024         (rs6000_function_value):  Call rs6000_darwin64_record_arg.
10025
10026 2005-02-28  Roger Sayle  <roger@eyesopen.com>
10027
10028         PR tree-optimization/20216
10029         * tree-chrec.c (tree_fold_factorial): Delete.
10030         (tree_fold_binomial): Change argument list to take a return type
10031         and change the type of K to unsigned int.  Rewrite to avoid explicit
10032         evaluation of factorials, and (recursively) calling fold to perform
10033         compile-time arithmetic.  Return NULL on (internal) overflow.
10034         (chrec_evaluate): Change type of K to an unsigned int.  Avoid
10035         calling tree_fold_binomial unnecessarily.  Return chrec_dont_know
10036         if any intermediate calculation overflows.
10037         (chrec_apply): Update call to chrec_evaluate.
10038
10039 2005-02-28  James E Wilson  <wilson@specifixinc.com>
10040
10041         * config/mips/mips.h (NO_PROFILE_COUNTERS): Define.
10042
10043 2005-02-28  Joseph S. Myers  <joseph@codesourcery.com>
10044
10045         PR c/20245
10046         * c-parser.c (c_parser_compound_statement): Return error_mark_node
10047         instead of NULL_TREE on error.
10048
10049 2005-02-28  David Edelsohn  <edelsohn@gnu.org>
10050
10051         * config/rs6000/rs6000.c (EASY_VECTOR_15): Remove.
10052         (EASY_VECTOR_15_ADD_SELF): Remove.
10053         (num_insns_constant_wide): Not static.
10054         (validate_condition_mode): Not static.
10055         (toc_relative_expr_p): Not static.
10056         (legitimate_indirect_address_p): Not static.
10057         (macho_lo_sum_memory_operand): Not static.
10058         (invalid_e500_subreg): Not static.
10059         (easy_vector_same): Not static.
10060         (easy_vector_splat_const): Not static.
10061         (RS6000_SYMBOL_REF_TLS_P): Remove.
10062         (any_operand): Delete.
10063         (any_parallel_operand): Delete.
10064         (count_register_operand): Delete.
10065         (altivec_register_operand): Delete.
10066         (xer_operand): Delete.
10067         (s8bit_cint_operand): Delete.
10068         (short_cint_operand): Delete.
10069         (u_short_cint_operand): Delete.
10070         (non_short_cint_operand): Delete.
10071         (exact_log2_cint_operand): Delete.
10072         (gpc_reg_operand): Delete.
10073         (cc_reg_operand): Delete.
10074         (cc_reg_not_cr0_operand): Delete.
10075         (reg_or_short_operand): Delete.
10076         (reg_or_neg_short_operand): Delete.
10077         (reg_or_aligned_short_operand): Delete.
10078         (reg_or_u_short_operand): Delete.
10079         (reg_or_cint_operand): Delete.
10080         (reg_or_arith_cint_operand): Delete.
10081         (reg_or_add_cint64_operand): Delete.
10082         (reg_or_sub_cint64_operand): Delete.
10083         (reg_or_logical_cint_operand): Delete.
10084         (got_operand): Delete.
10085         (got_no_const_operand): Delete.
10086         (easy_fp_constant): Delete.
10087         (easy_vector_constant): Delete.
10088         (easy_vector_constant_add_self): Delete.
10089         (zero_constant): Delete.
10090         (zero_fp_constant): Delete.
10091         (volatile_mem_operand): Delete.
10092         (offsettable_mem_operand): Delete.
10093         (mem_or_easy_const_operand): Delete.
10094         (add_operand): Delete.
10095         (non_add_cint_operand): Delete.
10096         (logical_operand): Delete.
10097         (non_logical_cint_operand): Delete.
10098         (mask_operand): Delete.
10099         (mask_operand_wrap): Delete.
10100         (mask64_operand): Delete.
10101         (mask64_2_operand): Delete.
10102         (and64_operand): Delete.
10103         (and64_2_operand): Delete.
10104         (and_operand): Delete.
10105         (reg_or_mem_operand): Delete.
10106         (lwa_operand): Delete.
10107         (symbol_ref_operand): Delete.
10108         (call_operand): Delete.
10109         (current_file_function_operand): Delete.
10110         (input_operand): Delete.
10111         (rs6000_nonimmediate_operand): Delete.
10112         (rs6000_tls_symbol_ref): Delete.
10113         (save_world_operation): Delete.
10114         (restore_world_operation): Delete.
10115         (load_multiple_operation): Delete.
10116         (store_multiple_operation): Delete.
10117         (vrsave_operation): Delete.
10118         (mfcr_operation): Delete.
10119         (mtcrf_operation): Delete.
10120         (lmw_operation): Delete.
10121         (stmw_operation): Delete.
10122         (branch_comparison_operator): Delete.
10123         (branch_positive_comparison_operator): Delete.
10124         (scc_comparison_operator): Delete.
10125         (trap_comparison_operator): Delete.
10126         (boolean_operator): Delete.
10127         (boolean_or_operator): Delete.
10128         (min_max_operator): Delete.
10129         * config/rs6000/rs6000.h (RS6000_SYMBOL_REF_TLS_P): Move to here.
10130         (EASY_VECTOR_15): Moved to here.
10131         (EASY_VECTOR_15_ADD_SELF): Move to here.
10132         (PREDICATE_CODES): Delete.
10133         * config/rs6000/rs6000-protos.h: Delete predicate functions.
10134         Declare functions no longer static.
10135         * config/rs6000/predicates.md: New.
10136         * config/rs6000/rs6000.md: Include predicates.md
10137
10138 2005-02-28  Kazu Hirata  <kazu@cs.umass.edu>
10139
10140         * calls.c (emit_call_1): Don't use  REG_ALWAYS_RETURN.
10141         (emit_library_call_value_1): Don't use LCT_ALWAYS_RETURN and
10142         REG_ALWAYS_RETURN.
10143         * cfgrtl.c (need_fake_edge_p): Likewise.
10144         * combine.c (distribute_notes): Likewise.
10145         * emit-rtl.c (try_split): Likewise.
10146         * recog.c (peephole2_opimize): Likewise.
10147         * reg-notes.def (ALWAYS_RETURN): Remove.
10148         * rtl.h (LCT_ALWAYS_RETURN): Remove.
10149         * tree-cfg.c (need_fake_edge_p): Don't use ECF_ALWAYS_RETURN.
10150         * tree.h (ECF_ALWAYS_RETURN): Remove.
10151
10152 2005-02-28  Roger Sayle  <roger@eyesopen.com>
10153
10154         PR middle-end/19874
10155         * tree-ssa.c (tree_ssa_useless_type_conversion_1): A conversion
10156         between different machine modes is never a "useless" conversion.
10157
10158 2005-02-28  Geert Bosch  <bosch@gnat.com>
10159
10160         PR ada/15977
10161         * doc/contrib.texi: List contributors for Ada front end
10162
10163 2005-02-28 Paolo Bonzini <bonzini@gnu.org>
10164
10165         * simplify-rtx.c (simplify_unary_operation_1,
10166         simplify_const_unary_operation): New, extracted from...
10167         (simplify_unary_operation): ... this one.
10168         (simplify_binary_operation_1,
10169         simplify_const_binary_operation): New, extracted from...
10170         (simplify_binary_operation): ... this one.
10171         * rtl.h (simplify_const_unary_operation,
10172         simplify_const_binary_operation): Add prototypes.
10173
10174 2005-02-28  Julian Brown  <julian@codesourcery.com>
10175
10176         * config/elfos.h: Revert my patch from 2005-02-25 since it broke
10177         building libjava and caused PR regression/20228.
10178
10179 2005-02-28  Paolo Bonzini  <bonzini@gnu.org>
10180
10181         PR bootstrap/17383
10182         * Makefile.in (host_subdir): New.
10183         (build_objdir): New.  Replace ../$(build_subdir) with it throughout.
10184         * configure: Regenerate.
10185
10186 2005-02-27  Zack Weinberg  <zack@codesourcery.com>
10187
10188         * config/alpha/t-osf4, config/arm/t-netbsd, config/ia64/t-hpux
10189         * config/pa/t-hpux-shlib (SHLIB_INSTALL): Create the
10190         installation directory first.
10191
10192 2005-02-28  Hans-Peter Nilsson  <hp@axis.com>
10193
10194         PR target/19065.
10195         * config/cris/cris.h (EXTRA_CONSTRAINT_Q): Accept only (mem (reg)),
10196         not including (reg). Do not check for reg being CRIS_PC_REGNUM.
10197         (EXTRA_MEMORY_CONSTRAINT): Define as 'Q'.
10198         * config/cris/cris.md: Tweak comments referring to Q.
10199         ("cmpsi", "cmphi", "cmpqi", "*movsi_internal", "movhi")
10200         ("movstricthi", "movqi", "movstrictqi", "movsf", "addsi3")
10201         ("addhi3", "addqi3", "subsi3", "subhi3", "subqi3")
10202         ("*expanded_andsi", "*expanded_andhi", "*andhi_lowpart", "andqi3")
10203         ("*andqi_lowpart", "iorsi3", "iorhi3", "iorqi3", "uminsi3"):
10204         Insert spaces in constraints to align alternatives vertically for
10205         readability.
10206         ("cmphi"): Ditto.  Add separate alternative for operand 0 "r",
10207         operand 1: "M".
10208
10209 2005-02-27  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
10210
10211         PR rtl-optimization/17728
10212         * pa.md (mulsi3, divsi3, udivsi3, modsi3): Change predicate for
10213         operand 0 from general_operand to move_dest_operand.
10214
10215 2005-02-26  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
10216
10217         * pa/elf.h, pa/som.h (ASM_OUTPUT_EXTERNAL): Use assemble_name_raw
10218         instead of trying to save and restore TREE_SYMBOL_REFERENCED.
10219         * pa/pa64-hpux.h (ASM_OUTPUT_TYPE_DIRECTIVE): Define.
10220         (ASM_OUTPUT_EXTERNAL): Don't save and restore TREE_SYMBOL_REFERENCED.
10221
10222 2005-02-26  Nathanael Nerode  <neroden@gcc.gnu.org>
10223
10224         * configure.ac: Rename cc_for_cross_gnattools to host_cc_for_libada.
10225         * configure: Regenerate.
10226         * libada-mk.in: Remove CC; rename
10227         cc_for_cross_gnattools / cc_set_by_configure to host_cc_for_libada.
10228
10229 2005-02-26  Andrew Pinski  <pinskia@physics.uc.edu>
10230
10231         PR tree-opt/20188
10232         * tree-ssa-alias.c (count_uses_and_derefs): If we have TREE_LIST
10233         for the lhs, also walk over the tree.  Likewise for rhs.
10234
10235 2005-02-26  Zdenek Dvorak  <dvorakz@suse.cz>
10236
10237         * tree-ssa-dom.c (simple_iv_increment_p): New function.
10238         (simplify_rhs_and_lookup_avail_expr, eliminate_redundant_computations):
10239         Do not propagate value of iv before increment over the increment.
10240
10241 2005-02-25  Joseph S. Myers  <joseph@codesourcery.com>
10242
10243         * c-parser.c: New file.
10244         * c-parse.in: Remove.
10245         * Makefile.in (c-parse.o-warn, c-parse.o, c-parse.c, c-parse.y):
10246         Remove.
10247         (c-parser.o): Add dependencies.
10248         (C_AND_OBJC_OBJC, C_OBJS, gcc.srcextra, GTFILES, distclean,
10249         maintainer-clean, TAGS): Update.
10250         * c-config-lang.in (gtfiles): Update.
10251         * gengtype-lex.l: Don't handle "@@".
10252         * stub-objc.c (objc_get_class_ivars, objc_build_throw_stmt,
10253         objc_build_synchronized, objc_begin_try_stmt,
10254         objc_begin_catch_clause, objc_finish_catch_clause,
10255         objc_build_finally_clause, objc_finish_try_stmt): New.
10256         * c-tree.h (struct c_declspecs): Add declspecs_seen_p and
10257         type_seen_p.
10258         (c_parse_init): Update comment.
10259         * c-decl.c (c_init_decl_processing): Update comment.
10260         (build_null_declspecs, declspecs_add_qual, declspecs_add_type,
10261         declspecs_add_scspec, declspecs_add_attrs): Initialize and update
10262         new c_declspecs members.
10263
10264 2005-02-25  Julian Brown  <julian@codesourcery.com>
10265
10266         * config/elfos.h (MAKE_DECL_ONE_ONLY): Redefined to stop DECL_WEAK
10267         from being used for symbols with vague linkage when
10268         HAVE_GAS_COMDAT_GROUP is true.
10269
10270 2005-02-25  Mark Mitchell  <mark@codesourcery.com>
10271
10272         * doc/include/gcc-common.texi (version-GCC): Update to 4.1.
10273
10274 2005-02-25  Steve Ellcey  <sje@cup.hp.com>
10275
10276         PR target/19930
10277         * doc/tm.texi (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Document.
10278         (LIBGCC2_HAS_DF_MODE): New.
10279         (LIBGCC2_HAS_XF_MODE): New.
10280         (LIBGCC2_HAS_TF_MODE): New.
10281         * libgcc2.h (LIBGCC2_HAS_XF_MODE): New name for HAVE_XFMODE.
10282         (LIBGCC2_HAS_TF_MODE): New name for HAVE_TFMODE.
10283         * libgcc2.c (LIBGCC2_HAS_XF_MODE): New name for HAVE_XFMODE.
10284         (LIBGCC2_HAS_TF_MODE): New name for HAVE_TFMODE.
10285         (LIBGCC2_HAS_DF_MODE): New name for HAVE_DFMODE.
10286         * config/ia64/t-ia64 (LIB1ASMFUNCS): Remove __compat
10287         and add _fixtfdi, _fixunstfdi, _floatditf
10288         * lib1funcs.asm: Remove L__compat. Add L_fixtfdi,
10289         L_fixunstfdi, L_floatditf.
10290         * config/ia64/hpux.h (LIBGCC2_HAS_XF_MODE): Define.
10291         (LIBGCC2_HAS_TF_MODE): Define.
10292
10293 2005-02-25  Diego Novillo  <dnovillo@redhat.com>
10294
10295         PR tree-optimization/20204
10296         * tree-into-ssa.c (insert_phi_nodes_for): Do not use
10297         REWRITE_THIS_STMT markers on PHI nodes.
10298         (rewrite_initialize_block): Likewise.
10299
10300 2005-02-25  Mark Mitchell  <mark@codesourcery.com>
10301
10302         * version.c (version_string): Update to 4.1.
10303
10304 2005-02-25  Paolo Carlini  <pcarlini@suse.de>
10305
10306         * doc/extend.texi (5.24 Declaring Attributes of Functions)<noreturn>:
10307         Clarify that the alternative way doesn't work in GNU C++.
10308
10309 2005-02-25  Zdenek Dvorak  <dvorakz@suse.cz>
10310
10311         PR tree-optimization/19937
10312         * tree-ssa-loop-ivopts.c (rewrite_use_compare): Cast the final value
10313         to the type of the induction variable.
10314
10315 2005-02-25  Kaz Kojima  <kkojima@gcc.gnu.org>
10316
10317         PR rtl-optimization/20117
10318         * bb-reorder.c (duplicate_computed_gotos): Don't duplicate
10319         the block including noncopyable insn.
10320
10321 2005-02-24  Kazu Hirata  <kazu@cs.umass.edu>
10322
10323         * cse.c (delete_trivially_dead_insns): Speed up by minimizing
10324         calls to find_reg_note.
10325
10326 2005-02-24  Richard Henderson  <rth@redhat.com>
10327
10328         PR tree-opt/20127
10329         * tree-sra.c (instantiate_element): Copy TREE_THIS_VOLATILE from
10330         the type.
10331
10332 2005-02-24  Fariborz Jahanian <fjahanian@apple.com>
10333
10334         * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Check for
10335         vector types if to use base reg for misaligned non-word ld/std.
10336
10337 2005-02-24  Hans-Peter Nilsson  <hp@axis.com>
10338
10339         PR target/14619
10340         * config/cris/cris.c (cris_target_asm_function_prologue): Create
10341         dwarf2 label manually and put it after, not before the prologue.
10342
10343 2005-02-24  David Edelsohn  <edelsohn@gnu.org>
10344
10345         PR target/19019
10346         * reload.c (operands_match_p): Only increment register number for
10347         SCALAR_INT_MODE_P modes in multiple hard registers.
10348
10349         * config/rs6000/rs6000.md (trunctfdf2): Remove register constraints.
10350         Fix formatting.
10351
10352 2005-02-24  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
10353
10354         * ChangeLog.5: Fix log message typo(s).
10355         * ChangeLog.7: Likewise.
10356         * ChangeLog.tree-ssa: Likewise.
10357         * cfgexpand.c: Fix comment typo(s).
10358         * conflict.c: Likewise.
10359         * defaults.h: Likewise.
10360         * dwarf2out.c: Likewise.
10361         * gcse.c: Likewise.
10362         * ggc-page.c: Likewise.
10363         * tree-eh.c: Likewise.
10364         * tree-ssa-dom.c: Likewise.
10365
10366 2005-02-24  Jakub Jelinek  <jakub@redhat.com>
10367
10368         PR target/19019
10369         * mklibgcc.in: Pass -DSHARED when compiling all *_s${objext} objects.
10370         * config/rs6000/darwin-ldouble.c: Only use the .symver directives
10371         if SHARED is defined.
10372
10373         PR target/20196
10374         * config/rs6000/rs6000.md (LTU, GTU sCC splitters): Add earlyclobber,
10375         allow splitting only if operands 0 and 3 don't overlap.
10376
10377 2005-02-24  Richard Henderson  <rth@redhat.com>
10378
10379         PR middle-end/19953
10380         * builtins.c (fold_builtin_complex_mul, fold_builtin_complex_div): New.
10381         (fold_builtin_1): Call them.
10382         * fold-const.c (fold_complex_mult_parts): Split out from ...
10383         (fold_complex_mult): ... here.  Fix typo in both imaginary case.
10384         (fold_complex_div_parts, fold_complex_div): New.
10385         (fold): Use them.
10386         * tree.h (fold_complex_mult_parts, fold_complex_div_parts): Declare.
10387
10388 2005-02-24  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
10389
10390         * tree-ssa-ccp.c (visit_assignment): Verify that result of
10391         VIEW_CONVERT_EXPR is_gimple_min_invariant.
10392
10393         * print-tree.c (print_node_brief): Print LABEL_DECL_UID.
10394         (print_node): Likewise.
10395         Print TYPE_SIZES_GIMPLIFIED.
10396
10397 2005-02-24  Hans-Peter Nilsson  <hp@axis.com>
10398
10399         * config/cris/cris.md ("umulhisi3", "umulqihi3", "mulsi3")
10400         ("mulqihi3", "mulhisi3", "mulsidi3", "umulsidi3"): Mark input
10401         operands as commutative in constraints.
10402
10403 2005-02-24  Diego Novillo  <dnovillo@redhat.com>
10404
10405         * tree-into-ssa.c: Re-organize internal functions.
10406
10407 2005-02-24  Richard Henderson  <rth@redhat.com>
10408
10409         PR middle-end/18902
10410         * c-opts.c (c_common_post_options): Set flag_complex_method to 2
10411         for c99.
10412         * common.opt (fcx-limited-range): New.
10413         * opts.c (set_fast_math_flags): Set flag_cx_limited_range.
10414         * toplev.c (flag_complex_method): Initialize to 1.
10415         (process_options): Set flag_complex_method to 0 if
10416         flag_cx_limited_range.
10417         * doc/invoke.texi (-fcx-limited-range): New.
10418
10419 2005-02-24  Kazu Hirata  <kazu@cs.umass.edu>
10420
10421         * cse.c (delete_trivially_dead_insns): Speed up by using
10422         NEXT_INSN and PREV_INSN directly instead of next_real_insn and
10423         prev_real_insn.
10424
10425 2005-02-24  Andrea Tarani  <andrea.tarani@gilbarco.com>
10426
10427         * config/m68k/m68k.c (m68k_save_reg): Also save A5 for non-leaf
10428         functions when -mid-shared-library is being used.
10429
10430 2005-02-23  Daniel Jacobowitz  <dan@codesourcery.com>
10431
10432         * doc/tm.texi (LINK_LIBGCC_SPECIAL): Remove.
10433         (LINK_LIBGCC_SPECIAL_1): Don't mention it.
10434         * gcc.c: Don't check for LINK_LIBGCC_SPECIAL.
10435         * system.h: Poison LINK_LIBGCC_SPECIAL.
10436
10437 2005-02-23  James E Wilson  <wilson@specifixinc.com>
10438
10439         * gengtype.c (note_insn_name): Make 1 element larger.
10440
10441 2005-02-23  Roger Sayle  <roger@eyesopen.com>
10442
10443         PR target/20018
10444         PR rtl-optimization/20097
10445         * simplify-rtx.c (simplify_relational_operation_1): Avoid creating
10446         BImode SUBREGs of SImode registers which confuse the ia64 backend.
10447
10448 2005-02-23  David Edelsohn  <edelsohn@gnu.org>
10449
10450         * t-aix43 (SHLIB_INSTALL): Create directory for shared library.
10451         * t-aix52 (SHLIB_INSTALL): Same.
10452
10453 2005-02-23  Kazu Hirata  <kazu@cs.umass.edu>
10454
10455         * genpreds.c: Update copyright.
10456
10457 2005-02-23  Michael Beach  <michaelb@ieee.org>
10458
10459         PR target/20159
10460         * config/sparc/t-elf (startup files): Assemble with CPP.
10461
10462 2005-02-23  Paolo Bonzini  <bonzini@gnu.org>
10463
10464         * genpreds.c (mark_mode_tests): Handle non-VOIDmode match_operands.
10465         (write_predicate_expr): Likewise.
10466
10467 2005-02-22  Diego Novillo  <dnovillo@redhat.com>
10468
10469         PR tree-optimization/20100
10470         PR tree-optimization/20115
10471         * tree-optimize.c (init_tree_optimization_passes): Remove
10472         pass_maybe_create_global_var.
10473         * tree-pass.h (pass_maybe_create_global_var): Remove.
10474         * tree-ssa-alias.c (aliases_computed_p): Declare.
10475         (struct alias_info): Add field NUM_PURE_CONST_CALLS_FOUND.
10476         (count_calls_and_maybe_create_global_var): Remove.
10477         (pass_maybe_create_global_var): Remove.
10478         (init_alias_info): Do not declare aliases_computed_p.
10479         (maybe_create_global_var): If the function contains no
10480         call-clobbered variables and a mix of pure/const and regular
10481         function calls, create .GLOBAL_VAR.
10482         Mark all call-clobbered variables for renaming.
10483         (merge_pointed_to_info): Update comment.
10484         (add_pointed_to_var): Likewise.
10485         (is_escape_site): Likewise.
10486         Accept struct alias_info * instead of size_t *.
10487         Update all users.
10488         Update AI->NUM_CALLS_FOUND and AI->NUM_PURE_CONST_CALLS_FOUND
10489         as necessary.
10490         * tree-ssa-operands.c (get_call_expr_operands): If
10491         ALIASES_COMPUTED_P is false, do not add call-clobbering
10492         operands.
10493         * tree-ssa.c (init_tree_ssa): Set ALIASES_COMPUTED_P to false.
10494         (delete_tree_ssa): Likewise.
10495
10496 2005-02-22  James E Wilson  <wilson@specifixinc.com>
10497
10498         * toplev.c (backend_init): Don't call init_adjust_machine_modes here.
10499         (do_compile): Do call it here.
10500
10501 2005-02-22  Kazu Hirata  <kazu@cs.umass.edu>
10502
10503         PR rtl-optimization/20017.
10504         * passes.c (rest_of_handle_combine, rest_of_handle_cse,
10505         rest_of_handle_cse2, rest_of_handle_gcse): Call
10506         delete_dead_jumptables immediately before calling cleanup_cfg.
10507
10508 2005-02-22  Devang Patel  <dpatel@apple.com>
10509
10510         PR 19952
10511         * tree-if-conv.c (process_phi_nodes): Use bsi_after_labels and skip
10512         all labels
10513
10514 2005-02-22  David Edelsohn  <edelsohn@gnu.org>
10515
10516         * config/rs6000/aix.h (WINT_TYPE): Define.
10517
10518 2005-02-22  Stan Shebs  <shebs@apple.com>
10519
10520         * config/rs6000/rs6000.c (rs6000_override_options): Default to
10521         natural alignment for 64-bit Darwin.
10522         (rs6000_parse_alignment_option): Warn about uses of -malign-power
10523         on 64-bit Darwin.
10524         * doc/invoke.texi: Document this.
10525
10526 2005-02-22  DJ Delorie  <dj@redhat.com>
10527
10528         * c-common.c (c_common_type_for_mode): Pass the mode's precision
10529         to make_[un]signed_type, not the mode itself.
10530
10531 2005-02-22  Kazu Hirata  <kazu@cs.umass.edu>
10532
10533         * cfg.c (cached_make_edge): Call make_edge if edge cache is
10534         not available.  Use tail calls wherever possible.
10535         (make_edge): Call unchecked_make_edge to create an edge.
10536
10537         * tree-outof-ssa.c (SSANORM_USE_COALESCE_LIST): Remove.
10538         (coalesce_ssa_name): Don't check for
10539         SSANORM_USE_COALESCE_LIST.
10540         (rewrite_out_of_ssa): Don't use SSANORM_USE_COALESCE_LIST.
10541
10542 2005-02-22  Diego Novillo  <dnovillo@redhat.com>
10543
10544         * tree-into-ssa.c (rewrite_blocks): Move debug dumps from ...
10545         (rewrite_into_ssa): ... here.
10546
10547 2005-02-21  Alexandre Oliva  <aoliva@redhat.com>
10548
10549         PR tree-optimization/19786
10550         * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add one
10551         tag to another's may-alias bitmap when adding to the other's list.
10552
10553 2005-02-21  DJ Delorie  <dj@redhat.com>
10554
10555         * tree-ssa-loop-ivopts.c (computation_cost): Start register
10556         numbering at LAST_VIRTUAL_REGISTER+1 to avoid possibly using hard
10557         registers in unsupported ways.
10558         * expmed.c (init_expmed): Likewise.
10559
10560 2005-02-21  Stan Cox  <scox@redhat.com>
10561
10562         * config/iq2000/iq2000.h (DWARF_FRAME_RETURN_COLUMN): Change to 31.
10563
10564 2005-02-21  Kazu Hirata  <kazu@cs.umass.edu>
10565
10566         * tree-cfg.c (fold_cond_expr_cond): New.
10567         (make_edges): Call fold_cond_expr_cond.
10568         (find_taken_edge): Accept nothing but INTEGER_CST.
10569         (find_taken_edge_cond_expr): Reject INTEGER_CST other than 0
10570         and 1.
10571         (find_taken_edge_switch_expr): Remove a check for INTEGER_CST.
10572
10573         * flow.c (delete_dead_jumptables): Speed up by scanning insns
10574         that do not belong to any basic block.
10575
10576 2005-02-21  Jeff Law  <law@redhat.com>
10577
10578         * cfganal.c (find_unreachable_blocks): Manually CSE load of
10579         e->dest.
10580
10581 2005-02-21  Kazu Hirata  <kazu@cs.umass.edu>
10582
10583         * tree-outof-ssa.c (SSANORM_REMOVE_ALL_PHIS): Remove.
10584         (SSANORM_COALESCE_PARTITIONS, SSANORM_USE_COALESCE_LIST):
10585         Adjust their definitions.
10586         (remove_ssa_form): Don't check for SSANORM_REMOVE_ALL_PHIS.
10587         (rewrite_out_of_ssa): Don't use SSANORM_REMOVE_ALL_PHIS.
10588
10589         * c-objc-common.h, c-pretty-print.c, cgraphunit.c, except.c,
10590         genautomata.c, langhooks.c, langhooks.h, system.h,
10591         config/arm/lib1funcs.asm: Update copyright.
10592
10593 2005-02-21  Ulrich Weigand  <uweigand@de.ibm.com>
10594
10595         * dbxout.c (dbxout_function_end): Emit Lscope label always.
10596
10597 2005-02-21  Richard Guenther  <rguenth@gcc.gnu.org>
10598
10599         PR bootstrap/13770
10600         * doc/install.texi: Document --with-gc.
10601
10602 2005-02-21  Paolo Bonzini  <bonzini@gnu.org>
10603
10604         * simplify-rtx.c (simplify_unary_operation): Add a missing
10605         "break" statement.
10606
10607 2005-02-21  Eric Botcazou  <ebotcazou@libertysurf.fr>
10608
10609         PR tree-optimization/18663
10610         * tree-ssa-dom.c (extract_range_from_cond): Return 0
10611         if the type has variable bounds.
10612
10613 2005-02-20  Kazu Hirata  <kazu@cs.umass.edu>
10614
10615         * gcse.c: Remove an obsolete comment.
10616
10617         * cse.c (init_cse_reg_info): Use xmalloc instead of xrealloc.
10618
10619 2005-02-20  Hans-Peter Nilsson  <hp@axis.com>
10620
10621         * doc/extend.texi (Function Attributes) <Attribute const>: The
10622         attribute "pure" is below this text, not above.
10623
10624 2005-02-20  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
10625
10626         * pa.c (pa_assemble_integer, get_plabel): Small cleanups.
10627         (pa_asm_output_mi_thunk): Use asm_output_insn instead of fprintf.
10628         * som.h (ASM_OUTPUT_EXTERNAL_LIBCALL): Small cleanup.
10629
10630 2005-02-20  Zack Weinberg  <zack@codesourcery.com>
10631
10632         PR 18785
10633         * langhooks.h (struct lang_hooks): Add to_target_charset.
10634         * langhooks.c (lhd_to_target_charset): New function.
10635         * langhooks-def.h: Declare lhd_to_target_charset.
10636         (LANG_HOOKS_TO_TARGET_CHARSET): New macro.
10637         (LANG_HOOKS_INITIALIZER): Update.
10638         * c-common.c (c_common_to_target_charset): New function.
10639         * c-common.h: Declare it.
10640         * c-objc-common.h (LANG_HOOKS_TO_TARGET_CHARSET): Set to
10641         c_common_to_target_charset.
10642
10643         * defaults.c (TARGET_BELL, TARGET_BS, TARGET_CR, TARGET_DIGIT0)
10644         (TARGET_ESC, TARGET_FF, TARGET_NEWLINE, TARGET_TAB, TARGET_VT):
10645         Delete definitions.
10646         * system.h: Poison them.
10647         * doc/tm.texi: Don't discuss them.
10648         * builtins.c (fold_builtin_isdigit): Use lang_hooks.to_target_charset.
10649         * c-pretty-print.c (pp_c_integer_constant): Don't use pp_c_char.
10650         (pp_c_char): Do not attempt to generate letter escapes for
10651         newline, tab, etc.
10652         * config/arm/arm.c (output_ascii_pseudo_op): Likewise.
10653         * config/mips/mips.c (mips_output_ascii): Likewise.
10654
10655 2005-02-20  Dorit Naishlos  <dorit@il.ibm.com>
10656
10657         PR tree-optimization/19951
10658         * tree-vect-analyze.c (vect_analyze_loop_form): Check if loop exit edge
10659         is abnormal.
10660
10661 2005-02-19  Steven Bosscher  <stevenb@suse.de>
10662
10663         PR middle-end/19698
10664         * function.h (struct function): New field `max_loop_depth'.
10665         * cfgloop.c (establish_preds): Update maximum loop depth seen so far.
10666         (flow_loops_find): Reset the max loop depth count before finding loops.
10667         * flow.c (MAX_LIVENESS_ROUNDS): New constant.
10668         (update_life_info_in_dirty_blocks): Remove 2002-05-28 workaround.
10669         (calculate_global_regs_live): Make sure the loop will terminate
10670         when the initial sets are not empty.
10671
10672 2005-02-19  Zack Weinberg  <zack@codesourcery.com>
10673
10674         * mklibgcc.in: If libgcc_eh.a would be empty, put a dummy
10675         object inside.
10676         * config/ia64/hpux.h: Don't define LIBGCC_SPEC.
10677
10678 2005-02-19  Richard Sandiford  <rsandifo@redhat.com>
10679
10680         PR other/19525
10681         * doc/invoke.texi: Remove documentation of %M spec.
10682         * gcc.c: Likewise.
10683         (init_spec): Remove %M suffix from -lgcc_s.
10684         (do_spec_1): Remove 'M' case.
10685         * mklibgcc.in: Remove SHLIB_MULTILIB handling.  Expect SHLIB_LINK
10686         to put shared libraries in the multilib directory.  Remove the
10687         shlib_so_soname substitution variable.  Don't add a multilib encoding
10688         to shlib_base_name.  Set shlib_slibdir_qual to the full pathname
10689         reported by -print-multi-os-directory.  Pass @multilib_dir@ to
10690         SHLIB_INSTALL as well as SHLIB_LINK.
10691         * config/t-slibgcc-elf-ver (SHLIB_SONAME): Use @shlib_base_name@.
10692         (SHLIB_NAME): Delete.
10693         (SHLIB_DIR): New macro.
10694         (SHLIB_LINK): Put $(SHLIB_SONAME) and $(SHLIB_SOLINK) in $(SHLIB_DIR).
10695         (SHLIB_INSTALL): Adjust accordingly.
10696         * config/t-slibgcc-darwin: As for t-slibgcc-elf-ver.
10697         * config/t-slibgcc-sld: Likewise.
10698         * config/t-libunwind-elf (SHLIBUNWIND_NAME): Delete.
10699         (SHLIBUNWIND_SONAME): Use @shlib_base_name@.
10700         (SHLIBUNWIND_LINK): Put $(SHLIBUNWIND_SONAME) and $(SHLIB_SOLINK)
10701         in $(SHLIB_DIR).
10702         (SHLIBUNWIND_INSTALL): Adjust accordingly.
10703         * config/i386/t-nwld (SHLIB_SONAME): Delete.
10704         (SHLIB_LINK, SHLIB_INSTALL): Use SHLIB_NAME instead of SHLIB_SONAME.
10705         Use @shlib_base_name@ instead of @shlib_so_name@.
10706         * config/ia64/t-hpux (SHLIB_LINK): Put @shlib_base_name@.so.0
10707         and @shlib_base_name@.so in @multilib_dir@.
10708         (SHLIB_INSTALL): Adjust accordingly.  Add @shlib_slibdir_qual@
10709         to the install path.
10710         * config/mips/t-slibgcc-irix: As for t-slibgcc-elf-ver.
10711         (SHLIB_LINK): Remove previous workaround.
10712         * config/pa/t-hpux-shlib (SHLIB_DIR, SHLIB_SLIBDIR_QUAL): New macros.
10713         (SHLIB_LINK): Put $(SHLIB_SONAME) and $(SHLIB_NAME) in $(SHLIB_DIR).
10714         (SHLIB_INSTALL): Adjust accordingly.  Add $(SHLIB_SLIBDIR_QUAL) to
10715         the install path.
10716         * config/rs6000/t-aix43 (SHLIB_LINK): Put @shlib_base_name@.a in
10717         @multilib_dir@.  Use @multilib_dir@ to check for threading libraries.
10718         (SHLIB_INSTALL): Adjust accordingly.
10719         (SHLIB_LIBS): Use @multilib_dir@ to check for threading libraries.
10720         * config/rs6000/t-aix52: As for config/rs6000/t-aix43.
10721         * config/sh/t-linux (SHLIB_LINK, SHLIB_INSTALL): As for
10722         config/t-slibgcc-elf-ver.
10723
10724 2005-02-19  Zdenek Dvorak  <dvorakz@suse.cz>
10725             Jakub Jelinek  <jakub@redhat.com>
10726
10727         PR tree-optimization/19828
10728         * tree-ssa-loop-im.c: Add a TODO comment.
10729         (movement_possibility): Return MOVE_PRESERVE_EXECUTION for calls
10730         without side-effects.
10731
10732 2005-02-18  James A. Morrison  <phython@gcc.gnu.org>
10733
10734         * tree-ssa-ccp.c (widen_bitfield): Pass type to build_int_cst and don't
10735         call fold_convert.
10736
10737 2005-02-18  James E. Wilson  <wilson@specifixinc.com>
10738
10739         * doc/invoke.texi (IA-64 Options): Delete -mb-step.
10740         * config/ia64/ia64.c (last_group, group_idx): Delete variables.
10741         (errata_find_address_regs, errata_emit_nops, fixup_errata): Delete
10742         functions.
10743         (ia64_reorg): Delete fixup_errata call.
10744         * config/ia64/ia64.h (MASK_B_STEP, TARGET_B_STEP): Delete.
10745         (TARGET_SWITCHES): Delete -mb-step entry.
10746
10747 2005-02-19  Jakub Jelinek  <jakub@redhat.com>
10748
10749         PR c/20043
10750         * c-typeck.c (composite_type): Handle quals in transparent unions.
10751         (type_lists_compatible_p): Likewise.
10752
10753 2005-02-18  Stan Shebs  <shebs@apple.com>
10754
10755         * config/darwin.c (machopic_select_rtx_section): Don't put relocatable
10756         expressions in the .literal8 section.
10757
10758 2005-02-18  Geoffrey Keating  <geoffk@apple.com>
10759
10760         * config/rs6000/darwin-tramp.asm: Remove stray 'APPLE LOCAL' marker.
10761
10762 2005-02-18  Roger Sayle  <roger@eyesopen.com>
10763
10764         * fold-const.c (constant_boolean_node): Always create values of the
10765         specified type, don't bother calling truthvalue_conversion.
10766
10767 2005-02-18  Joseph S. Myers  <joseph@codesourcery.com>
10768
10769         * except.c (output_function_exception_table): Call
10770         assemble_external_libcall (eh_personality_libfunc).
10771
10772 2005-02-18  Joseph S. Myers  <joseph@codesourcery.com>
10773
10774         PR target/19886
10775         * config/ia64/ia64.h (struct machine_function): Add state_num.
10776         * config/ia64/ia64.c (process_epilogue,
10777         process_for_unwind_directive): Use new unwind state numbers each
10778         time rather than state 1.
10779
10780 2005-02-18  Ulrich Weigand  <uweigand@de.ibm.com>
10781
10782         PR target/20054
10783         * config/s390/s390.md ("*llgt_sidi", "*llgt_sidi_split"): Move to
10784         before the "*llgt_didi" pattern.
10785
10786 2005-02-18  Jason Merrill  <jason@redhat.com>
10787
10788         * gimplify.c (gimplify_modify_expr_rhs) [CALL_EXPR]: Revert again.
10789
10790 2005-02-18  Richard Earnshaw  <rearnsha@arm.com>
10791
10792         * arm/lib1funcs.asm (FUNC_ALIAS): New macro.
10793         (div0): Use it in place of ARM_FUNC_ALIAS.
10794         (lshrdi3, ashrdi3, ashlrdi3): Likewise.
10795
10796 2005-02-18  Andrew Pinski  <pinskia@physics.uc.edu>
10797
10798         PR middle-end/20030
10799         * fold-const.c (fold_indirect_ref_1): Use the correct index for zero
10800         access, the lower bound of the array type if it exists.
10801
10802 2005-02-18  Alexandre Oliva  <aoliva@redhat.com>
10803
10804         PR c++/20008
10805         * stmt.c (expand_case): Don't assume cleanup_tree_cfg will remove
10806         cases that are out-of-range for the index type.
10807
10808 2005-02-18  James A. Morrison  <phython@gcc.gnu.org>
10809
10810         * stmt.c (emit_case_bit_tests): Call fold_convert instead of convert.
10811         (estimate_case_costs): Don't call convert.
10812         * expmed.c (expand_shift): Likewise.
10813         (make_tree): Call fold_convert instead of convert.
10814
10815 2005-02-18  Jakub Jelinek  <jakub@redhat.com>
10816
10817         PR c++/19813
10818         * emit-rtl.c (set_mem_attributes_minus_bitpos): Add assertion
10819         that ref to be marked MEM_READONLY_P doesn't have base that needs
10820         constructing.
10821
10822 2005-02-18  Joseph S. Myers  <joseph@codesourcery.com>
10823
10824         * genautomata.c (output_get_cpu_unit_code_func,
10825         output_cpu_unit_reservation_p): Don't generate old-style function
10826         definitions.
10827
10828 2005-02-18  Jakub Jelinek  <jakub@redhat.com>
10829
10830         PR c++/20023
10831         PR tree-optimization/20009
10832         * convert.c (convert_to_integer): Revert 2005-02-16 change.
10833
10834         PR tree-optimization/18947
10835         * cgraphunit.c (cgraph_finalize_function): When redefining an extern
10836         inline, remove all nodes that are inlined into the extern inline
10837         being redefined.
10838
10839 2005-02-17  Kazu Hirata  <kazu@cs.umass.edu>
10840
10841         * bt-load.c, cfgloop.c, convert.c, dominance.c, global.c,
10842         loop-invariant.c, stmt.c, tree-ssa-forwprop.c,
10843         tree-ssa-live.c, tree-ssanames.c, tree-vn.c,
10844         config/host-linux.c, config/arm/fpa.md, config/avr/avr.h:
10845         Update copyright.
10846
10847 2005-02-17  Roger Sayle  <roger@eyesopen.com>
10848
10849         PR tree-optimization/19917
10850         * tree-eh.c (tree_could_trap_p): Consider calls to weak functions
10851         to be potentially trapping.
10852
10853 2005-02-17  Kazu Hirata  <kazu@cs.umass.edu>
10854
10855         * libgcc2.c, tree-vect-analyze.c: Fix comment typos.
10856
10857 2005-02-17  Andreas Krebbel  <krebbel1@de.ibm.com>
10858
10859         * builtins.c (expand_builtin_return_addr): Remove tem parameter.
10860         tem becomes a local variable which is set to the value of the
10861         back end defined INITIAL_FRAME_ADDRESS macro.
10862         (expand_builtin_frame_address): Omit the base parameter to
10863         expand_builtin_return_addr.
10864         (expand_builtin_profile_func): Likewise.
10865         * config/s390/s390.h (INITIAL_FRAME_ADDRESS_RTX): Define new macro.
10866         (DYNAMIC_CHAIN_ADDRESS): Remove the case for the initial frame.
10867         * doc/tm.texi: Documentation for INITIAL_FRAME_ADDRESS_RTX added.
10868
10869 2005-02-17  Jakub Jelinek  <jakub@redhat.com>
10870
10871         * config/s390/s390.c (s390_alloc_pool, s390_free_pool,
10872         s390_chunkify_start): Use BITMAP_ALLOC and BITMAP_FREE.
10873         * config/frv/frv.c (frv_function_epilogue): Likewise.
10874
10875 2005-02-17  Daniel Berlin  <dberlin@dberlin.org>
10876
10877         * lambda-code (perfect_nestify): Remove mark/unmark
10878         for rewriting hack.
10879         * tree-loop-linear.c (linear_transform_loops): Add
10880         rewrite_into_ssa call so that ssa is correct for
10881         rewriting into loop closed.
10882
10883 2005-02-17  Nathan Sidwell  <nathan@codesourcery.com>
10884
10885         * bitmap.h (BITMAP_XMALLOC, BITMAP_XFREE): Remove.
10886         * bb-reorder.c (duplicate_computed_gotos): Use BITMAP_ALLOC and
10887         BITMAP_FREE.
10888         * bt-load.c (btr_def_live_range, combine_btr_defs,
10889         migrate_btr_def, migrate_btr_defs): Likewise.
10890         * cfgcleanup.c (thread_jump): Likewise.
10891         * cfgloop.c (get_loop_body_in_bfs_order): Likewise.
10892         * df.c (df_insn_table_realloc, df_bitmaps_alloc, df_bitmaps_free,
10893         df_alloc, df_free, df_du_chain_create, df_bb_rd_local_compute,
10894         df_rd_local_compute, df_reg_info_compute): Likewise.
10895         * dominance.c (init_dom_info, free_dom_info): Likewise.
10896         * flow.c (init_propagate_block_info,
10897         free_propagate_block_info): Likewise.
10898         * gcse.c (alloc_gcse_mem, free_gcse_mem): Likewise.
10899         * global.c (allocate_bb_info, free_bb_info, calculate_reg_pav,
10900         modify_reg_pav): Likewise.
10901         * loop-invariant.c (find_defs, find_invariant_insn,
10902         find_invariants, free_inv_motion_data): Likewise.
10903         * predict.c (tree_predict_by_opcode,
10904         estimate_bb_frequencies): Likewise.
10905         * stmt.c (expand_case): Likewise.
10906         * tree-cfg.c (tree_duplicate_sese_region): Likewise.
10907         * tree-dfa.c (mark_new_vars_to_rename): Likewise.
10908         * tree-if-conv.c (get_loop_body_in_if_conv_order): Likewise.
10909         * tree-into-ssa.c (insert_phi_nodes_for, def_blocks_free,
10910         get_def_blocks_for, mark_def_site_blocks, rewrite_into_ssa,
10911         rewrite_ssa_into_ssa): Likewise.
10912         * tree-optimize.c (tree_rest_of_compilation): Likewise.
10913         * tree-outof-ssa.c (new_temp_expr_table, free_temp_expr_table,
10914         analyze_edges_for_bb, perform_edge_inserts): Likewise.
10915         * tree-scalar-evolution.c (scev_initialize, scev_finalize): Likewise.
10916         * tree-sra.c (tree_sra): Likewise.
10917         * tree-ssa-alias.c (init_alias_info, delete_alias_info): Likewise.
10918         * tree-ssa-ccp.c (ccp_fold_builtin): Likewise.
10919         * tree-ssa-dce.c (tree_dce_init, tree_dce_done): Likewise.
10920         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Likewise.
10921         * tree-ssa-dse.c (tree_ssa_dse): Likewise.
10922         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_var):
10923         Likewise.
10924         * tree-ssa-live.c (new_tree_live_info, delete_tree_live_info,
10925         calculate_live_on_entry, calculate_live_on_exit,
10926         build_tree_conflict_graph): Likewise.
10927         * tree-ssa-loop-ivopts.c (tree_ssa_iv_optimize_init, record_use,
10928         record_important_candidates, set_use_iv_cost, find_depends,
10929         determine_use_iv_costs, iv_ca_new, iv_ca_free, free_loop_data,
10930         tree_ssa_iv_optimize_finalize): Likewise.
10931         * tree-ssa-loop-manip.c (add_exit_phis_var, get_loops_exit,
10932         find_uses_to_rename_use, rewrite_into_loop_closed_ssa,
10933         tree_duplicate_loop_to_header_edge): Likewise.
10934         * tree-ssa-pre.c (init_pre, fini_pre): Likewise.
10935         * tree-ssa.c (verify_flow_insensitive_alias_info,
10936         verify_name_tags, verify_ssa, init_tree_ssa,
10937         delete_tree_ssa): Likewise.
10938         * tree-ssanames.c (marked_ssa_names, init_ssanames,
10939         fini_ssanames): Likewise.
10940         * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Likewise.
10941
10942 2005-02-17  Ralf Corsepius  <ralf.corsepius@rtems.org>
10943
10944         * config/rs6000/t-rtems: Completely reworked.
10945
10946 2005-02-17  Ira Rosen  <irar@il.ibm.com>
10947
10948         * tree-data-ref.c (array_base_name_differ_p): Remove gcc_assert.
10949
10950 2005-02-17  Ira Rosen  <irar@il.ibm.com>
10951
10952         * tree-vect-analyze.c (vect_analyze_pointer_ref_access): Use
10953         POINTER_TYPE_P when checking that type is a pointer.
10954         (vect_get_memtag): Remove.
10955         (vect_address_analysis): Use POINTER_TYPE_P. Call
10956         vect_object_analysis with dummy parameter for memtag.
10957         (vect_object_analysis): Extract memtag (functionality that
10958         used to be in vect_get_memtag and moved here). Fix printings.
10959         (vect_analyze_data_refs): Fix comment. Call vect_object_analysis
10960         with correct parameters. Remove call to vect_get_memtag.
10961
10962 2005-02-17  Dorit Naishlos  <dorit@il.ibm.com>
10963
10964         * Makefile.in (tree-vect-analyze.o, tree-vect-transform.o): New.
10965         (tree-vectorizer.o): Added missing dependencies.
10966
10967         * tree-vectorizer.h (vect_dump, vect_verbosity_level): Added extern
10968         decleration.
10969         (slpeel_tree_peel_loop_to_edge): Function externalized (had a static
10970         declaration in tree-vectorizer.c, now has an extern declaration in
10971         tree-vectorizer.h).
10972         (slpeel_make_loop_iterate_ntimes, slpeel_can_duplicate_loop_p,
10973         slpeel_verify_cfg_after_peeling, vect_strip_conversion,
10974         get_vectype_for_scalar_type, vect_is_simple_use,
10975         vect_is_simple_iv_evolution, vect_can_force_dr_alignment_p,
10976         vect_supportable_dr_alignment, new_loop_vec_info, destroy_loop_vec_info,
10977         new_stmt_vec_info, vect_analyze_loop, vectorizable_load,
10978         vectorizable_store, vectorizable_operation, vectorizable_assignment,
10979         vect_transform_loop, vect_print_dump_info, vect_set_verbosity_level,
10980         find_loop_location): Likewise.
10981
10982         * tree-vectorizer.c (langhooks.h): #include removed.
10983         (slpeel_tree_peel_loop_to_edge): Function externalized. Declaration
10984         moved to tree-vectorized.h.
10985         (slpeel_make_loop_iterate_ntimes, slpeel_can_duplicate_loop_p,
10986         slpeel_verify_cfg_after_peeling, vect_strip_conversion,
10987         get_vectype_for_scalar_type, vect_is_simple_use,
10988         vect_is_simple_iv_evolution, vect_can_force_dr_alignment_p,
10989         vect_supportable_dr_alignment, new_loop_vec_info,
10990         destroy_loop_vec_info, new_stmt_vec_info, vect_print_dump_info,
10991         vect_set_verbosity_level, find_loop_location): Likewise.
10992
10993         (vect_analyze_loop): Function externalized. Declaration moved to
10994         tree-vectorized.h. Function definition moved to tree-vect-analyze.c.
10995         (vect_analyze_loop_form): Moved to tree-vect-analyze.c.
10996         (vect_mark_stmts_to_be_vectorized, vect_analyze_scalar_cycles,
10997         vect_analyze_data_ref_accesses, vect_analyze_data_ref_dependences,
10998         vect_analyze_data_refs_alignment, vect_compute_data_refs_alignment,
10999         vect_enhance_data_refs_alignment, vect_analyze_operations,
11000         exist_non_indexing_operands_for_use_p, vect_mark_relevant,
11001         vect_stmt_relevant_p, vect_get_loop_niters,
11002         vect_analyze_data_ref_dependence, vect_compute_data_ref_alignment,
11003         vect_analyze_data_ref_access, vect_analyze_pointer_ref_access,
11004         vect_can_advance_ivs_p, vect_get_ptr_offset, vect_analyze_offset_expr,
11005         vect_base_addr_differ_p, vect_object_analysis, vect_address_analysis,
11006         vect_get_memtag): Likewise.
11007
11008         (vectorizable_load): Function externalized. Declaration moved to
11009         tree-vectorized.h. Function definition moved to tree-vect-transform.c.
11010         (vectorizable_store, vectorizable_operation, vectorizable_assignment,
11011         vect_transform_loop): Likewise.
11012         (vect_transform_stmt): Moved to tree-vect-transform.c.
11013         (vect_align_data_ref, vect_create_destination_var,
11014         vect_create_data_ref_ptr, vect_create_index_for_vector_ref,
11015         vect_create_addr_base_for_vector_ref, vect_get_new_vect_var,
11016         vect_get_vec_def_for_operand, vect_init_vector,
11017         vect_finish_stmt_generation, vect_generate_tmps_on_preheader,
11018         vect_build_loop_niters, vect_update_ivs_after_vectorizer,
11019         vect_gen_niters_for_prolog_loop, vect_update_inits_of_dr,
11020         vect_update_inits_of_drs, vect_do_peeling_for_alignment,
11021         vect_do_peeling_for_loop_bound): Likewise.
11022
11023         * tree-vect-analyze.c: New file.
11024         * tree-vect-transform.c: New file.
11025
11026 2005-02-17  Jason Merrill  <jason@redhat.com>
11027
11028         PR mudflap/19319, c++/19317
11029         * gimplify.c (gimplify_modify_expr_rhs) [CALL_EXPR]: Make return
11030         slot explicit.
11031
11032 2005-02-17  Gerald Pfeifer  <gerald@pfeifer.com>
11033
11034         * doc/install.texi (Specific): Update link for Darwin-specific
11035         tool binary site.
11036
11037 2005-02-16  James A. Morrison  <phython@gcc.gnu.org>
11038
11039         * fold-const.c (invert_truthvalue): <INTEGER_CST>: Call
11040         constant_boolean_node.
11041
11042 2005-02-16  David Edelsohn  <edelsohn@gnu.org>
11043
11044         PR target/19019
11045         * config/rs6000/t-aix43 (SHLIB_MAPFILES): Add libgcc-ppc64.ver.
11046         * config/rs6000/t-aix52 (SHLIB_MAPFILES): Same.
11047
11048 2005-02-16  Richard Henderson  <rth@redhat.com>
11049
11050         PR 19920
11051         * libgcc2.c (WORD_SIZE): Remove all definitions; replace uses
11052         with W_TYPE_SIZE.
11053         (HIGH_WORD_COEFF, HIGH_HALFWORD_COEFF): Remove all definitions;
11054         replace uses with Wtype_MAXp1_F.
11055         (L_fixunstfdi, L_fixtfdi, L_floatditf, L_fixunsxfdi, L_fixxfdi,
11056         L_floatdixf, L_fixunsxfsi, L_fixunsdfdi, L_floatdidf, L_fixunsdfsi,
11057         L_powidf2, L_powixf2, L_powitf2, L_muldc3, L_divdc3, L_mulxc3,
11058         L_divxc3, L_multc3, L_divtc3): Protect with HAVE_DFMODE, HAVE_XFMODE,
11059         and HAVE_TFMODE as appropriate.
11060         (__fixunssfDI): Provide an implementation that doesn't need DFmode.
11061         (__floatdisf): Likewise.
11062         * libgcc2.h (LIBGCC2_DOUBLE_TYPE_SIZE): New.
11063         (HAVE_DFMODE, HAVE_XFMODE, HAVE_TFMODE): New.
11064         (Wtype_MAXp1_F): New.
11065         (DFtype, DCtype, __fixdfdi, __floatdidf, __fixunsdfSI, __fixunsdfDI,
11066         __powidf2, __divdc3, __muldc3): Protect with HAVE_DFMODE.
11067
11068 2005-02-16  Richard Earnshaw  <rearnsha@arm.com>
11069
11070         * PR target/19162
11071         * arm.c (arm_apply_result_size): New function.
11072         * arm.h (APPLY_RESULT_SIZE): Define.
11073         * arm-protos.h (arm_apply_result_size): Add prototype.
11074         * arm.md (RO_REGNUM, FPA_F0_REGNUM, FPA_F7_REGNUM): New constants.
11075         (movxf): New expand.
11076         (ldmsi_postinc4_thumb, stmsi_postinc4_thumb): New patterns for Thumb.
11077         (call_value_symbol): Remove predicate for operand 0.
11078         (call_value_insn, sibcall_value, sibcall_value_insn): Likewise.
11079         (untyped_call): Rework to correclty return values for any type.
11080         (untyped_return): New expand.
11081         * fpa.md (movxf_fpa): Simplify and use sfm/lfm when appropriate.
11082
11083 2005-02-16  Stan Shebs  <shebs@apple.com>
11084
11085         * config.gcc (powerpc-*-darwin*): Use fragment for Darwin 8 or later.
11086         * config/rs6000/t-darwin8: New, for 64-bit multilib.
11087
11088 2005-02-16  Eric Botcazou  <ebotcazou@libertysurf.fr>
11089
11090         * doc/install.texi (sparc-sun-solaris2*): Document required GMP
11091         configure settings on Solaris 7 and later.
11092
11093 2005-02-16  Diego Novillo  <dnovillo@redhat.com>
11094
11095         PR tree-optimization/19865
11096         * tree-optimize.c (init_tree_optimization_passes): Run
11097         pass_may_alias after pass_sra.
11098
11099 2005-02-16  Richard Henderson  <rth@redhat.com>
11100             Stuart Hastings  <stuart@apple.com>
11101
11102         PR debug/19521
11103         * dbxout.c (dbxout_function_end): Take decl parameter; update callers.
11104         Do nothing if debug info suppressed for this function.
11105         (dbxout_begin_function): Early exit if debug info suppressed for
11106         this function.
11107
11108 2005-02-16  Kazu Hirata  <kazu@cs.umass.edu>
11109
11110         PR target/20007
11111         * config/ip2k/ip2k.c (ip2k_reorg): Adjust calls to
11112         find_basic_blocks.
11113         * config/sh/sh.c (sh_output_mi_thunk): Likewise.
11114
11115         PR tree-optimization/19967
11116         * builtins.c (expand_builtin_strstr, expand_builtin_strpbrk,
11117         expand_builtin_strchr, expand_builtin_strrchr): Take a new
11118         argument TYPE.  Adjust calls to fold_builtin_XXX.
11119         (expand_builtin, fold_builtin_1): Adjust calls to
11120         expand_builtin_XXX.
11121         (fold_builtin_strchr, fold_builtin_strpbrk,
11122         fold_builtin_strstr, fold_builtin_strrchr): Convert the folded
11123         result to a requested type TYPE.
11124
11125 2005-02-16  Jakub Jelinek  <jakub@redhat.com>
11126
11127         PR middle-end/19857
11128         * fold-const.c (fold): Don't optimize (T)(x & cst) to
11129         (T)x & (T)cst if (T)cst overflows.
11130         * convert.c (convert_to_integer) <case POINTER_TYPE>: Pass
11131         TYPE_UNSIGNED (type) as type_for_size's UNSIGNEDP argument.
11132
11133 2005-02-15  Jeff Law  <law@redhat.com>
11134
11135         * gcse.c (blocks_with_calls): New bitmap.
11136         (alloc_gcse_mem): Allocate it.
11137         (free_gcse_mem): Free it.
11138         (clear_modifY_mem_tables): Clear it.
11139         (record_last_mem_set_info): Set the proper bit in BLOCK_WITH_CALLS
11140         when we encounter CALL_INSNs.
11141         (compute_transp, case MEM): Handle blocks with calls separate
11142         from blocks without calls.  Use bitmap iterators rather than
11143         FOR_EACH_BB.
11144
11145 2005-02-15  Peter O'Gorman  <peter@pogma.com>
11146
11147         PR bootstrap/18810
11148         * mklibgcc.in (vis_hide): Use a temporary object file, not
11149         -o /dev/null.
11150
11151 2005-02-15  Andy Hutchinson  <HutchinsonAndy@netscape.net>
11152
11153         PR target/19924
11154         * config/avr/avr.h (MODES_TIEABLE_P): Define to 1 to allow subreg
11155         access optimization.
11156
11157 2005-02-15  David Edelsohn  <edelsohn@gnu.org>
11158             Alan Modra  <amodra@bigpond.net.au>
11159
11160         PR target/19019
11161         * config/rs6000/darwin-ldouble.c (_xlqadd): Rename to __gcc_qadd.
11162         (_xlqsub): Rename to __gcc_qsub.
11163         (_xlqmul): Rename to __gcc_qmul.
11164         (_xlqdiv): Rename to __gcc_qdiv.
11165         Provide versioned symbol aliases with old names.
11166         * config/rs6000/libgcc-ppc64.ver: Rename symbols.
11167         * config/rs6000/rs6000.c (rs6000_init_libfuncs): Rename symbols.
11168         * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): New.
11169         * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): New.
11170         * config/rs6000/t-newas (LIB2FUNCS_EXTRA): New.
11171
11172 2005-02-15  James A. Morrison  <phython@gcc.gnu.org>
11173
11174         * fold-const.c (fold): Fold -(~A) to A + 1.  Fold ~(-A) to A - 1.
11175         Fold ~(A - 1) and ~(A + -1) to -A.
11176
11177 2005-02-15  James A. Morrison  <phython@gcc.gnu.org>
11178
11179         PR pch/14940
11180         PR target/19300
11181         * config/host-linux.c (linux_gt_pch_use_address): Copy from
11182         config/pa/pa-host.c:pa_gt_pch_use_address.
11183
11184 2005-02-15  Daniel Berlin  <dberlin@dberlin.org>
11185
11186         * tree-vn.c (get_value_handle): Make sure that given an
11187         is_gimple_min_invariant expression, we always return it.
11188
11189 2005-02-15  Kazu Hirata  <kazu@cs.umass.edu>
11190
11191         * passes.c (rest_of_handle_gcse): Fix a comment.
11192
11193 2005-02-15  Jeff Law  <law@redhat.com>
11194
11195         * gcse.c (canon_modify_mem_set_list_set): Kill unnecessary
11196         bitmap.
11197         (alloc_gcse_mem, free_gcse_mem): Corresponding changes.
11198         (canon_list_insert, record_last_mem_set_info): Similarly.
11199         (clear_modify_mem_tables): Similarly.
11200
11201 2005-02-15  Kazu Hirata  <kazu@cs.umass.edu>
11202
11203         * bitmap.c, bitmap.h, lambda-code.c, tree-dfa.c, tree-dump.c,
11204         tree-dump.h, tree-ssa-loop-manip.c, value-prof.c,
11205         config/mips/mips.md, config/rs6000/aix.h,
11206         config/rs6000/beos.h, config/rs6000/sysv4.h: Update copyright.
11207
11208 2005-02-15  Richard Henderson  <rth@redhat.com>
11209
11210         * bb-reorder.c (find_traces_1_round): Force fallthru edge from a
11211         call to be best_edge.
11212
11213 2005-02-14  Kazu Hirata  <kazu@cs.umass.edu>
11214
11215         * basic-block.h: Adjust the prototype for find_basic_blocks.
11216         * cfgbuild.c (find_basic_blocks): Remove unused arguments.
11217         * passes.c (rest_of_handle_loop_optimize): Adjust the call to
11218         find_basic_blocks.
11219
11220         * flow.c (recompute_reg_usage): Remove all arguments.
11221         * passes.c (rest_of_compilation): Adjust the call to
11222         recompute_reg_usage.
11223         * rtl.h: Adjust the prototype for recompute_reg_usage.
11224
11225 2005-02-14  Daniel Berlin  <dberlin@dberlin.org>
11226
11227         * tree-dump.c (dump_files): Update to reflect new member
11228         of dump_file_info.
11229         (dump_register): Add new argument.
11230         Set glob name.
11231         (dump_switch_p_1): Check against glob name if doglob was passed.
11232         (dump_switch_p): Check against regular first, then glob if
11233         we didn't have any hits on the dump name.
11234         * tree-optimize.c (register_one_dump_file):
11235         Pass in glob name as well.
11236         * tree-pass.h (struct dump_file_info): Add glob
11237         member.
11238
11239 2005-02-14  Joseph S. Myers  <joseph@codesourcery.com>
11240
11241         PR preprocessor/16323
11242         * doc/invoke.texi: Document that -Wendif-labels is on by default.
11243
11244 2005-02-14  David Edelsohn  <edelsohn@gnu.org>
11245
11246         PR target/19019
11247         * config/rs6000/rs6000.md (trunctfdf2): Change to define_expand.
11248         (trunctfdf2_internal1): New.
11249         (trunctfdf2_internal2): Renamed from trunctfdf2.
11250
11251 2005-02-14  Diego Novillo  <dnovillo@redhat.com>
11252
11253         PR tree-optimization/19853
11254         * tree-dfa.c (add_referenced_var): Always examine DECL_INITIAL.
11255
11256 2005-02-14  Kazu Hirata  <kazu@cs.umass.edu>
11257
11258         * passes.c (rest_of_handle_loop_optimize): Remove calls to
11259         delete_dead_jumptables and cleanup_cfg.
11260
11261 2005-02-14  Ulrich Weigand  <uweigand@de.ibm.com>
11262
11263         * reload.c (find_reloads): Swap address_reloaded flags when
11264         swapping commutative operands.
11265
11266 2005-02-14  Sebastian Pop  <pop@cri.ensmp.fr>
11267
11268         * lambda-code.c (lambda_loopnest_to_gcc_loopnest, perfect_nestify):
11269         Use standard_iv_increment_position for computing the bsi position
11270         for create_iv.
11271         * tree-ssa-loop-manip.c (create_iv): Add a comment on how to compute
11272         the bsi position.
11273
11274 2005-02-13  Zdenek Dvorak  <dvorakz@suse.cz>
11275
11276         PR target/17428
11277         * cfgrtl.c (safe_insert_insn_on_edge): Avoid extending
11278         life range of hard registers.
11279         * value-prof.c (insn_prefetch_values_to_profile): Only
11280         scan normal insns.
11281
11282         * value-prof.c (rtl_find_values_to_profile): Do not look for values to
11283         profile in libcalls.
11284
11285 2005-02-13  Nathan Sidwell  <nathan@codesourcery.com>
11286
11287         * bitmap.h (bitmap_and_compl_into): Return bool.
11288         * bitmap.c (bitmap_and_compl_into): Return changed flag.
11289
11290 2005-02-13  James A. Morrison  <phython@gcc.gnu.org>
11291
11292         PR tree-optimization/19944
11293         * fold-const.c (fold): Re-add ABS_EXPR folding.
11294
11295 2005-02-13  David Edelsohn  <edelsohn@gnu.org>
11296
11297         PR target/19019
11298         * config/rs6000/aix.h ({TARGET,MASK}_XL_CALL): Rename to
11299         {TARGET,MASK}_XL_COMPAT.
11300         (SUBTARGET_SWITCHES): Rename xl-call to xl-compat.  Use
11301         MASK_XL_COMPAT.
11302         * config/rs6000/beos.h ({TARGET,MASK}_XL_CALL): Remove.
11303         * config/rs6000/rs6000.c (function_arg): Change TARGET_XL_CALL to
11304         TARGET_XL_COMPAT.
11305         (rs6000_arg_partial_bytes): Same.
11306         (rs6000_generate_compare): Generate PARALLEL for compare if TFmode
11307         and XL compatibility enabled.
11308         * config/rs6000/rs6000.h (TARGET_XL_CALL): Rename to TARGET_XL_COMPAT.
11309         * config/rs6000/rs6000.md (cmptf_internal1): Add !TARGET_XL_COMPAT
11310         test to final condition.
11311         (cmptf_internal2): New.
11312         * doc/invoke.texi (RS/6000 Subtarget Options): Change xl-call to
11313         xl-compat.  Add TFmode information to description.
11314
11315 2005-02-13  Kazu Hirata  <kazu@cs.umass.edu>
11316
11317         * flags.h, read-rtl.c, tree-ssa-live.h: Update copyright.
11318
11319 2005-02-13  Jason Merrill  <jason@redhat.com>
11320
11321         PR c++/16405
11322         * fold-const.c (fold_indirect_ref_1): Split out from...
11323         (build_fold_indirect_ref): Here.
11324         (fold_indirect_ref): New fn.
11325         * tree.h: Declare it.
11326         * gimplify.c (gimplify_compound_lval): Call fold_indirect_ref.
11327         (gimplify_modify_expr_rhs): Likewise.
11328         (gimplify_expr): Likewise.
11329
11330 2005-02-13  James A. Morrison  <phython@gcc.gnu.org>
11331
11332         PR tree-optimization/14303
11333         PR tree-optimization/15784
11334         * fold-const.c (fold): Fold ABS_EXPR<x> >= 0 to true, when possible.
11335         Fold ABS_EXPR<x> < 0 to false.  Fold ABS_EXPR<x> == 0 to x == 0 and
11336         ABS_EXPR<x> != 0 to x != 0.
11337
11338 2005-02-12  Kazu Hirata  <kazu@cs.umass.edu>
11339
11340         * c-tree.h, combine.c, expmed.c, flow.c, libgcc2.c,
11341         simplify-rtx.c, tree-ssa-live.h: Fix comment typos.  Follow
11342         spelling conventions.
11343
11344         * passes.c (rest_of_handle_gcse): Don't run cse_main and
11345         delete_trivially_dead_insns too many times.
11346
11347         * passes.c (rest_of_handle_gcse): Remove dead assignments to
11348         tem and tem2.
11349
11350 2005-02-12  Ira Rosen  <irar@il.ibm.com>
11351
11352         * tree-vectorizer.c (vect_get_base_and_offset): Remove.
11353         (vect_is_simple_iv_evolution): Remove redundant parameter
11354         and step check.
11355         (vect_analyze_scalar_cycles): Call vect_is_simple_iv_evolution
11356         without last parameter.
11357         (vect_analyze_pointer_ref_access): Get access_fn as parameter.
11358         Return pointer step. Call vect_is_simple_iv_evolution without
11359         last parameter. Check only that the step is multiple of size
11360         type. Remove stmt_vinfo updates.
11361         (vect_get_memtag_and_dr): Remove.
11362         (vect_get_memtag): New function.
11363         (vect_address_analysis): New function.
11364         (vect_object_analysis): New function.
11365         (vect_analyze_data_refs): Call vect_object_analysis and
11366         vect_get_memtag. Update stmt_vinfo fields.
11367
11368 2005-02-12  Ira Rosen  <irar@il.ibm.com>
11369
11370         * tree-data-ref.c (array_base_name_differ_p): Check that the bases
11371         exist and are objects. Remove checks for pointer.
11372         * tree-vectorizer.c (vect_create_addr_base_for_vector_ref): Use
11373         STMT_VINFO_VECT_DR_BASE_ADDRESS instead of DR_BASE_NAME.
11374         (vect_create_data_ref_ptr): Likewise.
11375         (vect_base_addr_differ_p): New function.
11376         (vect_analyze_data_ref_dependence): Call vect_base_addr_differ_p.
11377         (vect_analyze_pointer_ref_access): Add output parameter - ptr_init.
11378         Don't set the DR_BASE_NAME field of data-ref.
11379         (vect_get_memtag_and_dr): Use ptr_init instead of DR_BASE_NAME.
11380
11381 2005-02-12  Uros Bizjak  <uros@kss-loka.si>
11382
11383         * optabs.h (enum optab_index): Add new OTI_ldexp.
11384         (ldexp_optab): Define corresponding macro.
11385         * optabs.c (init_optabs): Initialize ldexp_optab.
11386         * genopinit.c (optabs): Implement ldexp_optab using ldexp?f3
11387         patterns.
11388         * builtins.c (expand_builtin_mathfn_2): Handle BUILT_IN_LDEXP{,F,L}
11389         using ldexp_optab.
11390         (expand_builtin): Expand BUILT_IN_LDEXP{,F,L} using
11391         expand_builtin_mathfn_2 if flag_unsafe_math_optimizations is set.
11392
11393         * config/i386/i386.md (ldexpsf3, ldexpdf3, ldexpxf3): New expanders
11394         to implement ldexpf, ldexp and ldexpl built-ins as inline x87
11395         intrinsics.
11396
11397 2005-02-12  Ira Rosen  <irar@il.ibm.com>
11398
11399         * tree-vectorizer.h (struct _stmt_vec_info): Rename a field: base
11400         to base_address.
11401         * tree-vectorizer.c (new_stmt_vec_info): Rename the above field of
11402         stmt_vec_info.
11403         (vect_get_base_and_offset): Always return an address.
11404         (vect_create_addr_base_for_vector_ref): Remove treatment for
11405         different data reference types.
11406         (vect_compute_data_ref_alignment): Rename base to base_address in
11407         stmt_vec_info. Get the object in order to force its alignment.
11408         (vect_get_memtag_and_dr): Rename base to base_address in
11409         stmt_vec_info. Extract the object for memtag analysis.
11410
11411 2005-02-12  Hans-Peter Nilsson  <hp@axis.com>
11412
11413         PR regression/19898.
11414         * config/cris/cris.c (cris_notice_update_cc): When testing if insn
11415         changes cc_status, use apply modified_in_p to part of cc_status
11416         and insn, not cris_reg_overlap_mentioned_p on SET_DEST of insn
11417         body.
11418
11419 2005-02-11  Richard Henderson  <rth@redhat.com>
11420
11421         * tree-complex.c (expand_complex_libcall): New.
11422         (expand_complex_multiplication): Use it for c99 compliance.
11423         (expand_complex_division): Likewise.
11424         * fold-const.c (fold_complex_add, fold_complex_mult): New.
11425         (fold): Call them.
11426         * builtins.c (built_in_names): Remove const.
11427         * tree.c (build_common_builtin_nodes): Build complex arithmetic
11428         builtins.
11429         * tree.h (BUILT_IN_COMPLEX_MUL_MIN, BUILT_IN_COMPLEX_MUL_MAX): New.
11430         (BUILT_IN_COMPLEX_DIV_MIN, BUILT_IN_COMPLEX_DIV_MAX): New.
11431         (built_in_names): Remove const.
11432         * c-common.c (c_common_type_for_mode): Handle complex modes.
11433         * flags.h, toplev.c (flag_complex_method): Rename from
11434         flag_complex_divide_method.
11435         * libgcc2.c (__divsc3, __divdc3, __divxc3, __divtc3,
11436         __mulsc3, __muldc3, __mulxc3, __multc3): New.
11437         * libgcc2.h: Declare them.
11438         * libgcc-std.ver: Export them.
11439         * mklibgcc.in (lib2funcs): Build them.
11440
11441 2005-02-11  Steven Bosscher  <stevenb@suse.de>
11442
11443         PR tree-optimization/19876
11444         Partially revert my change from 2005-01-14
11445         * tree-ssa-pre.c (compute_antic_aux): Make recursive once again...
11446         (compute_antic): ...and remove the loop here.
11447
11448 2005-02-11  Jakub Jelinek  <jakub@redhat.com>
11449
11450         PR middle-end/19858
11451         * fold-const.c (make_bit_field_ref): If bitpos == 0 and bitsize
11452         is number of inner's bits, avoid creating a BIT_FIELD_REF.
11453
11454         * config/rs6000/sysv4.h (ENDFILE_LINUX_SPEC): Use crtendS.o instead of
11455         crtend.o if -pie.  Use %{x:a;:b} spec syntax.
11456
11457 2005-02-11  Daniel Jacobowitz  <dan@codesourcery.com>
11458
11459         * config/mips/linux-unwind.h (mips_fallback_frame_state): Adjust
11460         offsets for the big-endian 32-bit case.
11461
11462 2005-02-11  Joseph S. Myers  <joseph@codesourcery.com>
11463
11464         * config/ia64/hpux.h (WCHAR_TYPE, WCHAR_TYPE_SIZE): Define.
11465
11466 2005-02-11  Dale Johannesen  <dalej@apple.com>
11467
11468         * cselib.c (cselib_process_insn):  Clear out regs where
11469         HARD_REGNO_CALL_PART_CLOBBERED is true at a call.
11470         * reload.c (find_equiv_reg): Ditto.
11471
11472 2005-02-11  Ian Lance Taylor  <ian@airs.com>
11473
11474         * read-rtl.c (read_rtx_1): Give fatal error if we see a vector
11475         with no elements.
11476
11477         * tree.c (build_function_type_list): Work correctly if there are
11478         no arguments.
11479
11480 2005-02-11  Ulrich Weigand  <uweigand@de.ibm.com>
11481
11482         * config/s390/s390.md ("*cmpdi_cct", "*cmpsi_cct", "*cmpdi_ccs",
11483         "*cmpsi_ccs"): Use %h instead of %c to print immediate operand.
11484         ("*zero_extendhisi2_64", "*zero_extendhisi2_31"): Choose based on
11485         TARGET_ZARCH instead of TARGET_64BIT.
11486
11487 2005-02-11  Ralf Corsepius  <ralf.corsepius@rtems.org>
11488
11489         * config/rs6000/t-rtems:
11490         (MULTILIB_OPTIONS): Remove mcpu=602.
11491         (MUTLILIB_DIRNAMES): Remove m602.
11492         (MULTILIB_MATCHES): Add ${MULTILIB_MATCHES_FLOAT}.
11493         Let mcpu=602 match mcpu=603.
11494         (MULTILIB_NEW_EXCEPTIONS_ONLY): Add mcpu=601, mcpu=602, mcpu=m603.
11495
11496 2005-02-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
11497
11498         * pa/linux-unwind.h (pa32_fallback_frame_state): Handle misaligned
11499         signal trampolines.
11500
11501 2005-02-10  David Daney  <ddaney@avtrex.com>
11502
11503         * config/alpha/linux-unwind.h: Add exception clause to copyright.
11504         * config/i386/linux-unwind.h: Likewise.
11505         * config/ia64/linux-unwind.h: Likewise.
11506         * config/mips/linux-unwind.h: Likewise.
11507         * config/pa/linux-unwind.h: Likewise.
11508         * config/rs6000/linux-unwind.h: Likewise.
11509         * config/s390/linux-unwind.h: Likewise.
11510         * config/sh/linux-unwind.h: Likewise.
11511         * config/sparc/linux-unwind.h: Likewise.
11512
11513 2005-02-10  Steven Bosscher  <stevenb@suse.de>
11514
11515         PR tree-optimization/17549
11516         * tree-outof-ssa.c (find_replaceable_in_bb): Do not allow
11517         TER to replace a DEF with its expression if the DEF and the
11518         rhs of the expression we replace into have the same root
11519         variable.
11520
11521 2005-02-10  Richard Sandiford  <rsandifo@redhat.com>
11522
11523         * config/mips/mips.md: Fix the placement of the match_scratch in the
11524         lea64 peephole2.
11525
11526 2005-02-10  Kazu Hirata  <kazu@cs.umass.edu>
11527
11528         * cse.c, tree-ssa-loop-ivopts.c, config/rs6000/linux-unwind.h:
11529         Fix comment typos.
11530
11531 2005-02-10  Zdenek Dvorak  <dvorakz@suse.cz>
11532
11533         * tree-ssa-loop-ivopts.c (determine_base_object): Ignore casts.
11534         (strip_offset): Handle addresses.
11535         (add_address_candidates): Use strip_offset.
11536         (difference_cost): Reflect strip_offset change.
11537         (force_var_cost, difference_cost): Strip nops.
11538
11539 2005-02-10  Kazu Hirata  <kazu@cs.umass.edu>
11540
11541         * df.h (DF_REF_MODE_CHANGE, DF_REF_MEM_OK): Remove.
11542
11543         * builtins.def, haifa-sched.c, libgcc2.c, libgcc2.h,
11544         tree-ssa-loop-ivcanon.c, tree-ssa-loop-niter.c,
11545         config/cris/cris-protos.h, config/cris/cris.c: Update
11546         copyright.
11547
11548 2005-02-10  Jeff Law  <law@redhat.com>
11549
11550         * tree-ssa-dom.c (thread_across_edge): Use xmalloc, not xcalloc.
11551         (lookup_avail_expr): Similarly.
11552
11553 2005-02-10  Richard Guenther  <rguenth@gcc.gnu.org>
11554
11555         * builtins.c (fold_builtin_powi): New function.
11556         (fold_builtin_1): Call it.
11557
11558 2005-02-10  Steven Bosscher  <stevenb@suse.de>
11559
11560         PR documentation/19309
11561         * doc/cpp.texi: The __GNUC__ and related predefined macros
11562         are also defined for the "standalone" cpp.
11563         Some non-GCC compilers may also define __GNUC__.
11564
11565 2005-02-10  Jakub Jelinek  <jakub@redhat.com>
11566
11567         PR c/19342
11568         * c-typeck.c (common_type): New routine.  Old common_type renamed
11569         to...
11570         (c_common_type): ...this.
11571         (build_conditional_expr, build_binary_op): Use c_common_type instead
11572         of common_type.
11573
11574 2005-02-10  Steven Bosscher  <stevenb@suse.de>
11575
11576         * doc/md.texi: Replace @samp{length} with @code{length}.
11577
11578 2005-02-09  Zdenek Dvorak  <dvorakz@suse.cz>
11579
11580         PR tree-optimization/18687
11581         * tree-flow.h (find_loop_niter): Declare.
11582         * tree-ssa-loop-ivcanon.c (canonicalize_loop_induction_variables):
11583         Try using scev even for loops with more than one exit.
11584         * tree-ssa-loop-ivopts.c (struct loop_data): Removed niter field.
11585         (struct ivopts_data): Added niters field.
11586         (struct nfe_cache_elt): New.
11587         (nfe_hash, nfe_eq, niter_for_exit, niter_for_single_dom_exit): New
11588         functions.
11589         (tree_ssa_iv_optimize_init): Initialize niters cache.
11590         (determine_number_of_iterations): Removed.
11591         (find_induction_variables): Do not call determine_number_of_iterations.
11592         Access niters for single exit through niter_for_single_dom_exit.
11593         (add_iv_outer_candidates): Access niters for single exit through
11594         niter_for_single_dom_exit.
11595         (may_eliminate_iv): Take data argument.  Use niter_for_exit.  Do not use
11596         number_of_iterations_cond.
11597         (iv_period): New function.
11598         (determine_use_iv_cost_condition): Pass data to may_eliminate_iv.
11599         (may_replace_final_value): Take data argument.  Use
11600         niter_for_single_dom_exit.
11601         (determine_use_iv_cost_outer): Pass data to may_replace_final_value.
11602         (rewrite_use_compare): Pass data to may_eliminate_iv.
11603         (rewrite_use_outer): Pass data to may_replace_final_value.
11604         (free_loop_data): Clean up the niters cache.
11605         (tree_ssa_iv_optimize_finalize): Free the niters cache.
11606         (tree_ssa_iv_optimize_loop): Do not call loop_commit_inserts.
11607         * tree-ssa-loop-niter.c (find_loop_niter): New function.
11608         (find_loop_niter_by_eval): Use tree_int_cst_lt.
11609         (num_ending_zeros): Moved to tree.c.
11610         * tree.h (num_ending_zeros): Declare.
11611         * tree.c (num_ending_zeros): Moved from tree.c.
11612
11613 2005-02-09  Richard Henderson  <rth@redhat.com>
11614
11615         * builtins.c (DEF_BUILTIN): Add COND argument.
11616         * tree.h (DEF_BUILTIN): Likewise.
11617         * builtins.def (DEF_GCC_BUILTIN, DEF_LIB_BUILTIN, DEF_EXT_LIB_BUILTIN,
11618         DEF_C94_BUILTIN, DEF_C99_BUILTIN, DEF_C99_C90RES_BUILTIN): Update to
11619         match.
11620         (DEF_BUILTIN_STUB): New.
11621         (BUILT_IN_STACK_SAVE, BUILT_IN_STACK_RESTORE, BUILT_IN_INIT_TRAMPOLINE,
11622         BUILT_IN_ADJUST_TRAMPOLINE, BUILT_IN_NONLOCAL_GOTO,
11623         BUILT_IN_PROFILE_FUNC_ENTER, BUILT_IN_PROFILE_FUNC_EXIT): Use it.
11624         * c-common.c (DEF_BUILTIN): Add COND argument.
11625         * tree.c (local_define_builtin): New.
11626         (build_common_builtin_nodes): New.
11627
11628 2005-02-09  Roger Sayle  <roger@eyesopen.com>
11629
11630         * fold-const.c (fold_strip_sign_ops): New function to simplify a
11631         floating point expression ignoring the sign of the result.
11632         (fold) <ABS_EXPR>: Use it to simplify fabs(x).
11633         (fold) <MULT_EXPR>: Use it to simplify x*x.
11634         * tree.h (fold_strip_sign_ops): Prototype here.
11635         * builtins.c (fold_builtin_copysign): Take an additional FNDECL
11636         argument.  Use fold_strip_sign_ops to simplify the first argument.
11637         (fold_builtin_pow):  Use fold_strip_sign_ops to simplify the
11638         first argument when the second argument is an even integer
11639         constant, but only with -funsafe_math_optimizations.
11640         (fold_builtin_1): Update call to fold_builtin_copysign.
11641
11642 2005-02-09  Ian Lance Taylor  <ian@airs.com>
11643
11644         PR middle-end/19583
11645         * gimple-low.c (try_catch_may_fallthru): In EH_FILTER_EXPR case,
11646         just check whether EH_FILTER_FAILURE falls through.
11647
11648 2005-02-09  Andreas Krebbel  <krebbel1@de.ibm.com>
11649
11650         * gcc/haifa-sched.c (schedule_block): Make queued sched group
11651         insns return to ready list in the next turn.
11652
11653 2005-02-09  Richard Guenther  <rguenth@gcc.gnu.org>
11654
11655         PR middle-end/19402
11656         * builtins.def: New __builtin_powi[lf].
11657         * builtins.c (mathfn_built_in): Handle BUILT_IN_POWI.
11658         (expand_builtin_powi): New function.
11659         (expand_builtin): Dispatch to expand_builtin_powi.
11660         * libgcc2.h: Add prototypes for __builtin_powi[lf].
11661         * libgcc2.c: Add __builtin_powi[lf] implementation.
11662         * mklibgcc.in: Add __builtin_powi[lf] to lib2funcs.
11663         * optabs.h: Add powi_optab.
11664         * optabs.c (init_optabs): Initialize powi_optab.
11665         * doc/extend.texi: Document __builtin_powi[lf].
11666
11667 2005-02-09  Dorit Naishlos  <dorit@il.ibm.com>
11668
11669         * tree-vectorizer.c (vect_set_dump_settings): Check that dump_file
11670         exists.
11671
11672 2005-02-09  Richard Guenther  <rguenth@gcc.gnu.org>
11673
11674         PR middle-end/19854
11675         * fold-const.c (try_move_mult_to_index): Remove redundant
11676         type argument.  Create ADDR_EXPR with correct type.
11677         (fold): Update callers of try_move_mult_to_index.  Convert
11678         result to the appropriate type.
11679
11680 2005-02-09  Roger Sayle  <roger@eyesopen.com>
11681
11682         PR target/19597
11683         * config/avr/avr.c (default_rtx_costs): Delete.
11684         (avr_operand_rtx_cost): New function.
11685         (avr_rtx_costs): Completely rewrite.
11686
11687 2005-02-08  Hans-Peter Nilsson  <hp@axis.com>
11688
11689         PR target/19806
11690         * config/cris/cris.c (in_code): New variable.
11691         (cris_output_addr_const): Now a static function, a wrapper for
11692         output_addr_const.
11693         (cris_asm_output_symbol_ref): New function, broken out SYMBOL_REF
11694         case from old cris_output_addr_const.
11695         (cris_asm_output_label_ref): Similar for LABEL_REF.
11696         (cris_output_addr_const_extra): Similar for UNSPEC.
11697         * config/cris/cris.h (OUTPUT_ADDR_CONST_EXTRA)
11698         (ASM_OUTPUT_SYMBOL_REF, ASM_OUTPUT_LABEL_REF): Define.
11699         * config/cris/cris-protos.h (cris_output_addr_const): Remove
11700         declaration.
11701         (cris_asm_output_symbol_ref, cris_output_addr_const_extra)
11702         (cris_asm_output_label_ref): Declare.
11703
11704 2005-02-08  Paolo Bonzini  <bonzini@gnu.org>
11705
11706         PR preprocessor/19801
11707         * doc/cppinternals.texi (Conventions, Lexer, Files): Adjust
11708         filenames that changed when libcpp was moved to the toplevel.
11709
11710 2005-02-07  Roger Sayle  <roger@eyesopen.com>
11711
11712         * simplify-rtx.c (simplify_relational_operation_1): Avoid creating
11713         zero extensions of BImode operands.  Call lowpart_subreg instead
11714         of gen_lowpart_common and gen_lowpart_SUBREG.
11715
11716 2005-02-07  Nathanael Nerode  <neroden@gcc.gnu.org>
11717
11718         PR ada/19489
11719         * libada-mk.in: Use cc_for_cross_gnattools, not cc_set_by_configure.
11720         * configure.ac: Set cc_for_cross_gnattools.
11721         * configure: Regenerate.
11722
11723 2005-02-08  Alan Modra  <amodra@bigpond.net.au>
11724
11725         PR target/19803
11726         * predict.c (PROB_VERY_UNLIKELY): Use 1% instead of 10%.
11727
11728 2005-02-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
11729
11730         PR debug/19327
11731         * dbxout.c (dbxout_symbol) <FUNCTION_DECL>: Skip inline instance
11732         of nested functions.
11733
11734 2005-02-07  Jonathan Wakely  <redi@gcc.gnu.org>
11735
11736         * doc/extend.texi: Document deprecated extensions allowing
11737         static floating-point members to have initializers and allowing
11738         floating-point literals in integral constant expressions.
11739
11740 2005-02-07  Kazu Hirata  <kazu@cs.umass.edu>
11741
11742         * cfgcleanup.c, df.h, diagnostic.c, rtl.c, tree-vectorizer.h,
11743         config/darwin7.h, config/mips/mips.c,
11744         config/rs6000/altivec.md, config/rs6000/darwin-tramp.asm:
11745         Update copyright.
11746
11747         * cse.c: Update comments.
11748
11749 2005-02-07  Richard Guenther  <rguenth@gcc.gnu.org>
11750
11751         PR middle-end/19775
11752         * builtins.c (fold_builtin_sqrt): Transform
11753         sqrt(pow(x,y)) to pow(fabs(x),y*0.5), not
11754         pow(x,y*0.5).
11755
11756 2005-02-07  Leehod Baruch  <leehod@il.ibm.com>
11757             Dorit Naishlos  <dorit@il.ibm.com>
11758
11759         * doc/invoke.texi (ftree-vectorizer-verbose): New.
11760         * opts.c (OPT_ftree_vectorizer_verbose_): New case for switch.
11761         * common.opt (ftree-vectorizer-verbose): New Flag for the vectorizer
11762         was added.
11763         * tree.h (vect_set_verbosity_level): New extern function declaration
11764         added.
11765         * tree-vectorizer.h (verbosity_levels): New enum type.
11766         * tree-vectorizer.c (vect_debug_stats): Function removed.
11767         (vect_debug_details): Likewise.
11768         (vect_verbosity_level): Global variable was defined and initialized.
11769         (vect_dump): Global variable definition.
11770         (vect_print_dump_info): New function.
11771         (vect_set_dump_settings): New function.
11772         (vect_set_verbosity_level): New function.
11773         (vectorize_loops): Add call to vect_set_dump_settings.
11774
11775         (slpeel_make_loop_iterate_ntimes): Dump condition was changed.
11776         (slpeel_tree_duplicate_loop_to_edge_cfg): Likewise.
11777         (slpeel_tree_peel_loop_to_edge): Likewise.
11778
11779         (vect_analyze_offset_expr): Call to vect_print_dump_info with
11780         appropriate verbosity level instead of call to vect_debug_details
11781         or vect_debug_stats.
11782         (vect_get_base_and_offset):
11783         (vect_create_addr_base_for_vector_ref):
11784         (get_vectype_for_scalar_type):
11785         (vect_create_data_ref_ptr):
11786         (vect_init_vector):
11787         (vect_get_vec_def_for_operand):
11788         (vect_finish_stmt_generation):
11789         (vectorizable_assignment):
11790         (vectorizable_operation):
11791         (vectorizable_store):
11792         (vectorizable_load):
11793         (vect_transform_stmt):
11794         (vect_update_ivs_after_vectorizer):
11795         (vect_do_peeling_for_loop_bound):
11796         (vect_update_inits_of_drs):
11797         (vect_do_peeling_for_alignment):
11798         (vect_transform_loop):
11799         (vect_is_simple_use):
11800         (vect_analyze_operations):
11801         (vect_is_simple_iv_evolution):
11802         (vect_analyze_scalar_cycles):
11803         (vect_analyze_data_ref_dependence):
11804         (vect_analyze_data_ref_dependences):
11805         (vect_compute_data_ref_alignment):
11806         (vect_enhance_data_refs_alignment):
11807         (vect_analyze_data_refs_alignment):
11808         (vect_analyze_data_ref_access):
11809         (vect_analyze_data_ref_accesses):
11810         (vect_analyze_pointer_ref_access):
11811         (vect_get_memtag_and_dr):
11812         (vect_analyze_data_refs):
11813         (vect_mark_relevant):
11814         (vect_stmt_relevant_p):
11815         (vect_mark_stmts_to_be_vectorized):
11816         (vect_can_advance_ivs_p):
11817         (vect_get_loop_niters):
11818         (vect_analyze_loop_form):
11819         (vect_analyze_loop):
11820         (vectorize_loops): Likewise.
11821
11822         (vect_do_peeling_for_loop_bound): Dump format slightly changed.
11823         (vect_update_inits_of_drs):
11824         (vect_do_peeling_for_alignment):
11825         (vect_transform_loop):
11826         (vect_analyze_operations):
11827         (vect_analyze_scalar_cycles):
11828         (vect_analyze_data_ref_dependences):
11829         (vect_analyze_data_refs_alignment):
11830         (vect_analyze_data_ref_accesses):
11831         (vect_analyze_data_refs):
11832         (vect_mark_stmts_to_be_vectorized):
11833         (vect_get_loop_niters):
11834         (vect_analyze_loop_form):
11835         (vect_analyze_loop): Likewise.
11836         (vect_mark_stmts_to_be_vectorized): Add call to print_generic_expr.
11837
11838 2005-02-07  Richard Sandiford  <rsandifo@redhat.com>
11839
11840         PR bootstrap/19796
11841         Revert:
11842         2005-01-26  Richard Sandiford  <rsandifo@redhat.com>
11843         * config/mips/iris6.h (ENDFILE_SPEC): Don't link in irix-csr.o if
11844         either -ffast-math or -funsafe-math-optimizations is in use.
11845
11846         2005-01-24  Richard Sandiford  <rsandifo@redhat.com>
11847         * config/mips/irix-csr.c: New file.
11848         * config/mips/t-iris6 (irix-csr.o): New rule to build it.
11849         (EXTRA_MULTILIB_PARTS): Add irix-csr.o.
11850         * config/mips/iris6.h (ENDFILE_SPEC): Include it in n32 and n64
11851         executables.
11852
11853 2005-02-07  Alexandre Oliva  <aoliva@redhat.com>
11854
11855         * config/mn10300/linux.h (LIB_SPEC, STARTFILE_SPEC): Remove
11856         redundant, incorrect definitions.
11857
11858         * config/frv/frv.md ("tls_indirect_call"): Turn into libcall-like
11859         expand.
11860         ("*tls_indirect_call"): New, reference hard regs directly.
11861         * config/frv/frv.c (gen_inlined_tls_plt): Adjust.
11862
11863 2005-02-07  Ralf Corsepius  <ralf.corsepius@rtems.org>
11864
11865         * config/arm/rtems-elf.h (SUBTARGET_EXTRA_ASM_SPEC):
11866         Let !-mhard-float !-msoft-float imply -mfpu=softfpa.
11867
11868 2005-02-06  Roger Sayle  <roger@eyesopen.com>
11869
11870         PR rtl-optimization/19800
11871         * simplify_rtx.c (simplify_relational_operation_1): Explicitly
11872         call gen_lowpart_common and gen_lowpart_SUBREG instead of calling
11873         gen_lowpart.
11874
11875 2005-02-07  Ralf Corsepius  <ralf.corsepius@rtems.org>
11876
11877         * config/m68k/t-rtems (MULTILIB_MATCHES): Let m528x match m5200.
11878
11879 2005-02-07  Joseph S. Myers  <joseph@codesourcery.com>
11880
11881         PR other/17135
11882         * doc/invoke.texi: Correct documentation of -freorder-functions.
11883
11884 2005-02-06  Joseph S. Myers  <joseph@codesourcery.com>
11885
11886         PR other/14402
11887         * doc/invoke.texi: Don't mention gccbug.
11888
11889 2005-02-06  Roger Sayle  <roger@eyesopen.com>
11890             Andrew Pinski  <pinskia@physics.uc.edu>
11891             Paolo Bonzini  <paolo.bonzini@lu.unisi.ch>
11892
11893         * simplify-rtx.c (simplify_relational_operation_1): Simplify
11894         (ne:SI (zero_extract:SI FOO (const_int 1) BAR) (const_int 0))
11895         into just (zero_extract:SI FOO (const_int 1) BAR).
11896
11897 2005-02-06  Joseph S. Myers  <joseph@codesourcery.com>
11898
11899         * doc/cpp.texi: Include gcc-common.texi.  Don't define gcctabopt
11900         macro locally.  Don't give last revision date.  Use GCC version
11901         number from gcc-common.texi.
11902         * doc/cppinternals.texi: Include gcc-common.texi.  Don't give last
11903         revision date.  Use GCC version number from gcc-common.texi.
11904         Describe being a library as current state rather than as 3.x
11905         history.
11906         * doc/gcc.texi: Remove last update date.
11907         * doc/gccint.texi: Likewise.  Update copyright dates.
11908         * doc/install.texi: Update copyright dates.
11909
11910 2005-02-06  Joseph S. Myers  <joseph@codesourcery.com>
11911
11912         PR other/7549
11913         * doc/invoke.texi: Mention for each option included in -Wall that
11914         it is included in -Wall.
11915         * doc/gcc.texi: Update copyright and last modification date.
11916
11917 2005-02-06  Zdenek Dvorak  <dvorakz@suse.cz>
11918
11919         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Do not add
11920         unnecessary cast to original induction variable increments.
11921
11922 2005-02-06  Zdenek Dvorak  <dvorakz@suse.cz>
11923
11924         PR tree-optimization/18219
11925         * tree-ssa-loop-ivopts.c (get_computation_at): Produce computations
11926         in distributed form.
11927
11928 2005-02-06  Richard Sandiford  <rsandifo@redhat.com>
11929
11930         * expmed.c (store_bit_field): Make the SUBREG code adjust bitnum.
11931         Set bitpos and offset later in the function.  Do nothing if the
11932         target is a register and if the bitfield lies completely outside
11933         that register.
11934         (extract_bit_field): Make the same SUBREG, bitpos and offset changes
11935         here.  Return an uninitialised register if the source value is stored
11936         in a register and the bitfield lies completely outside that register.
11937
11938 2005-02-06  Steven Bosscher  <stevenb@suse.de>
11939
11940         * df.c (df_insn_refs_record): Use XEXP to get the operand of a USE,
11941         not SET_DEST.
11942
11943 2005-02-06  Marcin Dalecki  <martin@dalecki.de>
11944
11945         * diagnostic.c (default_diagnostic_finalizer): Fix use of attribute.
11946
11947 2005-02-06  Geoffrey Keating  <geoffk@apple.com>
11948
11949         * config.gcc (*-*-darwin*): Separate darwin7 and darwin8 configs.
11950         * config/darwin8.h: New.
11951         * config/darwin7.h: Update comment.
11952
11953 2005-02-03  Leehod Baruch  <leehod@il.ibm.com>
11954             Dorit Naishlos  <dorit@il.ibm.com>
11955
11956         * tree-vectorizer.h (LOC): New type.
11957         (UNKNOWN_LOC, EXPR_LOC, LOC_FILE, LOC_LINE): New macros.
11958         (loop_line_number): New field in struct _loop_vec_info.
11959         (LOOP_VINFO_LOC, LOOP_LOC): New macros.
11960
11961         * tree-vectorizer.c (input.h): Included.
11962         (find_loop_location): New function.
11963         (vect_debug_stats): Argument changed from loop to LOC. Computation of
11964         loop line number removed.
11965         (vect_debug_details): Likewise.
11966         (new_loop_vec_info): Initialize new field LOOP_VINFO_LOC.
11967
11968         (slpeel_make_loop_iterate_ntimes): Call find_loop_location. Argument in
11969         call to vect_debug_details/stats changed from loop to loop_loc.
11970         (slpeel_tree_duplicate_loop_to_edge_cfg): Likewise.
11971         (slpeel_tree_peel_loop_to_edge): Likewise.
11972
11973         (vect_analyze_offset_expr): Argument in call to vect_debug_details/stats
11974         changed from NULL to UNKNOWN_LOC.
11975         (vect_get_base_and_offset):
11976         (vect_create_addr_base_for_vector_ref):
11977         (get_vectype_for_scalar_type):
11978         (vect_create_data_ref_ptr):
11979         (vect_init_vector):
11980         (vect_get_vec_def_for_operand):
11981         (vect_finish_stmt_generation):
11982         (vectorizable_assignment):
11983         (vectorizable_operation):
11984         (vectorizable_store):
11985         (vectorizable_load):
11986         (vect_transform_stmt):
11987         (vect_update_ivs_after_vectorizer):
11988         (vect_do_peeling_for_loop_bound):
11989         (vect_do_peeling_for_alignment):
11990         (vect_transform_loop):
11991         (vect_is_simple_use):
11992         (vect_analyze_operations):
11993         (vect_is_simple_iv_evolution):
11994         (vect_analyze_scalar_cycles):
11995         (vect_analyze_data_ref_dependences):
11996         (vect_compute_data_ref_alignment):
11997         (vect_enhance_data_refs_alignment):
11998         (vect_analyze_data_ref_access):
11999         (vect_analyze_data_ref_accesses):
12000         (vect_analyze_pointer_ref_access):
12001         (vect_get_memtag_and_dr):
12002         (vect_analyze_data_refs):
12003         (vect_mark_relevant):
12004         (vect_stmt_relevant_p):
12005         (vect_mark_stmts_to_be_vectorized):
12006         (vect_can_advance_ivs_p):
12007         (vect_get_loop_niters):
12008         (vect_analyze_loop):
12009         (vectorize_loops): Likewise.
12010
12011         (vectorizable_load): Argument in call to vect_debug_details/stats
12012         changed from loop to LOOP_LOC (loop_vinfo).
12013         (vect_transform_loop):
12014         (vect_analyze_operations):
12015         (vect_analyze_scalar_cycles):
12016         (vect_analyze_data_ref_dependence):
12017         (vect_enhance_data_refs_alignment):
12018         (vect_analyze_data_ref_accesses):
12019         (vect_analyze_pointer_ref_access):
12020         (vect_analyze_data_refs):
12021         (vect_analyze_loop): Likewise.
12022
12023         (vect_analyze_loop_form): Argument in call to vect_debug_details/stats
12024         changed from loop to loop_loc.
12025
12026         (vect_enhance_data_refs_alignment): Removed unused variable loop.
12027
12028 2005-02-03  Leehod Baruch  <leehod@il.ibm.com>
12029             Dorit Naishlos  <dorit@il.ibm.com>
12030
12031         * tree-vectorizer.c (vect_analyze_data_ref_dependence): Function
12032         declaration added.
12033         (vect_analyze_data_ref_dependences): Likewise.
12034
12035         (vect_is_simple_use): Argument changed from loop structure to
12036         loop_vect_info structure.
12037         (vect_can_advance_ivs_p): Likewise.
12038         (vect_create_index_for_vector_ref): Likewise.
12039         (vect_update_ivs_after_vectorizer): Likewise.
12040         (new_stmt_vec_info): Likewise.
12041
12042         (new_loop_vec_info): Second argument in call to new_stmt_vec_info was
12043         changed from loop to loop_vinfo.
12044         (vect_create_data_ref_ptr): First argument in call to
12045         vect_create_index_for_vector_ref was changed from loop to loop_vinfo.
12046         (vectorizable_assignment): Second argument in call to vect_is_simple_use
12047         was changed from loop to loop_vinfo.
12048         (vectorizable_operation): Likewise.
12049         (vectorizable_store): Likewise.
12050         (vect_mark_stmts_to_be_vectorized): Likewise.
12051         (vect_do_peeling_for_loop_bound): First argument in call to
12052         vect_update_ivs_after_vectorizer was changed from loop to loop_vinfo.
12053         (vect_analyze_operations): Argument in call to vect_can_advance_ivs_p
12054         was changed from loop to loop_vinfo.
12055         (vect_analyze_data_ref_dependences): Third argument in call to
12056         vect_analyze_data_ref_dependence was changed from loop to loop_vinfo.
12057
12058         (vect_create_index_for_vector_ref): Get the loop from loop_vinfo.
12059         (vect_create_data_ref_ptr): Likewise.
12060         (vect_init_vector): Likewise.
12061         (vect_get_vec_def_for_operand): Likewise.
12062         (vectorizable_assignment): Likewise.
12063         (vectorizable_operation): Likewise.
12064         (vectorizable_store): Likewise.
12065         (vectorizable_load): Likewise.
12066         (vect_update_ivs_after_vectorizer): Likewise.
12067         (vect_is_simple_use): Likewise.
12068         (vect_analyze_data_ref_dependence): Likewise.
12069         (vect_analyze_pointer_ref_access): Likewise.
12070         (vect_can_advance_ivs_p): Likewise.
12071
12072         * tree-vectorizer.h: (_loop_vec_info): Definition and macros moved
12073         before _stmt_vec_info.
12074         (_stmt_vec_info): Loop field replaced by loop_vec_info.
12075         (STMT_VINFO_LOOP): Replaced with STMT_VINFO_LOOP_VINFO.
12076         (new_stmt_vec_info): Argument changed from loop structure to
12077         loop_vect_info structure
12078
12079         (vect_analyze_data_ref_dependences): Unnecessary line was removed.
12080         (vect_analyze_offset_expr): Avoid 80 columns overflow.
12081         (vect_create_addr_base_for_vector_ref): Likewise.
12082         (vect_analyze_pointer_ref_access): Likewise.
12083
12084 2005-02-03  Andrew Pinski  <pinskia@physics.uc.edu>
12085
12086         PR tree-opt/19768
12087         * tree-ssa-dse.c (fix_phi_uses): Update the occurs in abnormal
12088         phi flag if the phi is abnormal.
12089
12090 2005-02-03  Andrew Pinski  <pinskia@physics.uc.edu>
12091
12092         PR tree-opt/19736
12093         * tree-ssa.c (replace_immediate_uses): Update the immediate_uses
12094         information for the new statement.
12095
12096 2005-02-03  Joseph S. Myers  <joseph@codesourcery.com>
12097
12098         PR driver/19117
12099         * gcc.c (main): Include the target in -v output.
12100
12101 2005-02-03  Alexandre Oliva  <aoliva@redhat.com>
12102
12103         * combine.c (simplify_comparison, case SIGN_EXTEND, ZERO_EXTEND):
12104         Do not drop the extend if we'd have to add a paradoxical subreg
12105         later.  Include optabs.h and insn-codes.h.
12106         * Makefile.in (combine.o): Depend on $(OPTABS_H).
12107
12108 2005-02-02  Roger Sayle  <roger@eyesopen.com>
12109
12110         PR middle-end/19405
12111         * real.h (REAL_MODE_FORMAT_COMPOSITE_P): New macro.
12112         * fold-const.c (const_binop): Avoid constant folding floating
12113         point operations in modes that use composite representations.
12114         * simplify-rtx.c (simplify_binary_operation): Likewise.
12115
12116 2005-02-02  Geoffrey Keating  <geoffk@apple.com>
12117
12118         * config/rs6000/altivec.md (altivec_dst): Make the first operand
12119         a REG, not a MEM.
12120         (altivec_dstt): Likewise.
12121         (altivec_dstst): Likewise.
12122         (altivec_dststt): Likewise.
12123         * config/rs6000/rs6000.c (altivec_expand_dst_builtin): Adjust creation
12124         of first operand.
12125
12126 2005-02-03  Dorit Naishlos  <dorit@il.ibm.com>
12127
12128         * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Copy
12129         EXPR_LOCUS from orig_cond to the new cond_stmt.
12130         (vect_finish_stmt_generation): Copy EXPR_LOCUS from stmt to
12131         the new vec_stmt.
12132
12133 2005-02-03  Dorit Naishlos  <dorit@il.ibm.com>
12134
12135         * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Call
12136         standard_iv_increment_position. Remove call to bsi_next
12137         (no need to bump the iterator anymore).
12138         (vect_create_index_for_vector_ref): Call
12139         standard_iv_increment_position. Remove second function argument.
12140         (vect_finish_stmt_generation): Remove call to bsi_next
12141         (no need to bump the iterator anymore).
12142         (vect_create_data_ref_ptr): Remove second argument (bsi) in call
12143         to vect_create_index_for_vector_ref.
12144
12145 2005-02-03  Dorit Naishlos  <dorit@il.ibm.com>
12146
12147         * tree-vectorizer.c (vect_mark_stmts_to_be_vectorized): Check if
12148         phis are used out of the loop.
12149
12150 2005-02-03  Joseph S. Myers  <joseph@codesourcery.com>
12151
12152         PR c/17807
12153         * c-decl.c (undef_nested_function): New variable.
12154         (pop_scope): Diagnose undefined nested functions.
12155         (finish_function): Don't attempt cgraph processing or genericizing
12156         if current top-level function contained an undefined nested
12157         function.  Reset undef_nested_function at the end of a top-level
12158         function.
12159
12160 2005-02-02  Zdenek Dvorak  <dvorakz@suse.cz>
12161
12162         * tree.c (build_int_cst_type): Take sign of the value into account
12163         when deciding whether sign extend the value.
12164
12165 2005-02-02  Joseph S. Myers  <joseph@codesourcery.com>
12166
12167         PR c/18502
12168         * gcc.c (cpp_unique_options): Remove %{trigraphs}.
12169         (cpp_options, cc1_options): Change %{std*&ansi} to
12170         %{std*&ansi&trigraphs}.
12171
12172 2005-02-02  Kazu Hirata  <kazu@cs.umass.edu>
12173
12174         * cse.c: Update comments.
12175
12176 2005-02-02  Aldy Hernandez  <aldyh@redhat.com>
12177
12178         * config/rs6000/rs6000.c (rs6000_spe_function_arg): Multi-reg
12179         arguments go on the stack.  Do not put complex doubles in odd/even
12180         pairs.
12181
12182 2005-02-02  Steven Bosscher  <stevenb@suse.de>
12183
12184         * doc/invoke.texi: Update the options enabled at -O1, -O2,
12185         and -O3.  Update the documentation for -fgcse-sm, -fgcse-las,
12186         -ftree-pre, and -fthread-jumps.
12187
12188 2005-02-02  Richard Sandiford  <rsandifo@redhat.com>
12189
12190         PR tree-optimization/19578
12191         * tree-flow.h (modified_noreturn_calls): Declare.
12192         (noreturn_call_p): Declare.
12193         * tree-flow-inline.h (noreturn_call_p): New function.
12194         (modify_stmt): Add modified noreturn calls to modified_noreturn_calls.
12195         * tree-cfg.c (modified_noreturn_calls): New variable.
12196         (cleanup_control_flow): Use noreturn_call_p.  Split basic blocks
12197         that contain a mid-block noreturn call.
12198         * tree-ssa.c (delete_tree_ssa): Clear modified_noreturn_calls.
12199
12200 2005-02-02  Kazu Hirata  <kazu@cs.umass.edu>
12201
12202         * df.c (df_def_record_1, df_uses_record): Don't use
12203         DF_FOR_REGALLOC.
12204         * df.h (DF_FOR_REGALLOC): Remove.
12205
12206 2005-02-02  Joseph S. Myers  <joseph@codesourcery.com>
12207
12208         PR c/19435
12209         * c-typeck.c (really_start_incremental_init): Reset
12210         constructor_max_index for arrays of incomplete type.
12211
12212 2005-02-02  Jeff Law  <law@redhat.com>
12213
12214         * gcse.c (struct reg_set): Store the block index where the register
12215         was set rather than the setting insn.
12216         (record_one_set, compute_transp): Corresponding changes.
12217         (pre_insert_copy_insn): Do not call replace_one_set.
12218         (replace_one_set): Remove.
12219
12220 2005-02-02  Joseph S. Myers  <joseph@codesourcery.com>
12221
12222         PR other/15514
12223         * doc/gcov.texi: Fix typo.
12224
12225 2005-02-01  Richard Henderson  <rth@redhat.com
12226
12227         PR target/19680
12228         * config/i386/i386.h (MODES_TIEABLE_P): Use ix86_modes_tieable_p.
12229         * config/i386/i386.c (ix86_hard_regno_mode_ok): Change return
12230         type to bool.
12231         (ix86_tieable_integer_mode_p, ix86_modes_tieable_p): New.
12232         * config/i386/i386-protos.h: Update.
12233
12234 2005-02-01  Steven Bosscher  <stevenb@suse.de>
12235
12236         PR tree-optimization/19217
12237         * tree-cfg.c (verify_expr): Use the data field to see if TP was
12238         seen inside a PHI node.  Do not do the ADDR_EXPR check if it was.
12239         (verify_stmts): Pass (void*)1 as data to verify_expr to signal
12240         that it is walking a PHI node.
12241
12242 2005-02-01  Joseph S. Myers  <joseph@codesourcery.com>
12243
12244         * doc/extend.texi (Nested Functions): Update.
12245
12246 2005-02-01  Richard Henderson  <rth@redhat.com>
12247
12248         PR 19696
12249         * optabs.c (expand_copysign_absneg): Export.
12250         * optabs.h (expand_copysign_absneg): Declare.
12251         * config/rs6000/rs6000.md (copysigntf3): New.
12252
12253 2005-02-01  Diego Novillo  <dnovillo@redhat.com>
12254
12255         PR tree-optimization/19633
12256         * tree-flow.h (struct ptr_info_def): Add field 'pt_null'.
12257         * tree-ssa-alias.c (init_alias_info): Initialize.
12258         (merge_pointed_to_info): Set.
12259         (add_pointed_to_expr): Set pt_null if EXPR is a NULL pointer.
12260         (dump_points_to_info_for): Show value of pt_null.
12261         (struct count_ptr_d): Declare.
12262         (find_ptr_dereference): Remove.
12263         (ptr_is_dereferenced_by): Remove.
12264         (count_ptr_derefs): New local function.
12265         (count_uses_and_derefs): New local function.
12266         (compute_points_to_and_addr_escape): Call it.  If the number
12267         of dereferences is greater than zero, mark the pointer as
12268         dereferenced.  If there are fewer dereferences than uses of
12269         the pointer, the pointer's value escapes.
12270
12271 2005-02-01  Diego Novillo  <dnovillo@redhat.com>
12272
12273         PR tree-optimization/19670
12274         * tree-ssa.c (verify_ssa_name): Don't set TREE_VISITED
12275         here...
12276         (verify_use): ... set it here, instead.
12277
12278 2005-02-01  Janis Johnson  <janis187@us.ibm.com>
12279
12280         * doc/sourcebuild.texi (Test directives): Fix formatting.
12281
12282         * doc/sourcebuild.texi (Test directives): Describe selector
12283         expressions.
12284
12285 2005-02-01  Segher Boessenkool  <segher@kernel.crashing.org>
12286
12287         * config.gcc (powerpc64-*-linux*): Default to -m64 also for
12288         specific 64-bit CPUs.
12289
12290 2005-02-01  Richard Earnshaw  <rearnsha@arm.com>
12291
12292         PR target/16201
12293         * arm.c (arm_eliminable_register): New function.
12294         (adjacent_mem_locations): Don't allow eliminable registers.  Use
12295         HOST_WIDE_INT for address offsets.
12296         * arm-protos.h (arm_eliminable_register): Add prototype.
12297
12298 2005-02-01  Steven Bosscher  <stevenb@suse.de>
12299
12300         PR optimization/15242
12301         * params.def (PARAM_MAX_GOTO_DUPLICATION_INSNS): New param.
12302         * basic-block.h (duplicate_computed_gotos): Add prototype.
12303         * bb-reorder.c (duplicate_computed_gotos): New function to
12304         duplicate sufficiently small blocks ending in a computed jump.
12305         * passes.c (rest_of_compilation): Call duplicate_computed_gotos
12306         if not optimizing for size.
12307         * cfgcleanup.c (try_crossjump_bb): If not optimizing for size,
12308         never do tail merging for blocks ending in a computed jump.
12309         * doc/invoke.texi: Document the max-goto-duplication-insns param.
12310
12311 2005-02-01  Eric Botcazou  <ebotcazou@libertysurf.fr>
12312
12313         Patch from Richard Sandiford <rsandifo@redhat.com>
12314         * reload1.c (choose_reload_regs): Prevent the find_equiv_reg() code
12315         from inheriting a subreg equivalence with a non-spill register.
12316
12317         * tree.h (DECL_FUNCTION_CODE): Document that it is overloaded.
12318
12319 2005-02-01  Alexandre Oliva  <aoliva@redhat.com>
12320
12321         * config/frv/frv.c (movcc_fp_destination_operand): New.
12322         (gpr_or_memory_operand): Fix typo in comment.
12323         (gpr_or_memory_operand_with_scratch): New.
12324         * config/frv/frv.h (PREDICATE_CODES): Add the two new predicates.
12325         * config/frv/frv.md (movcc_fp, movcc_fp_internal): Use
12326         movcc_fp_destination_operand.
12327         (reload_incc_fp): Use gpr_or_memory_operand_with_scratch.
12328         Legitimize memory addresses using a scratch register.
12329
12330 2005-01-31  Jeff Law  <law@redhat.com>
12331
12332         * tree-into-ssa.c (mark_def_sites_global_data): Make KILLS
12333         bitmap a sparse bitmap instead of a simple bitmap.
12334         (mark_def_sites_initialize_block):  Corresponding changes.
12335         (ssa_mark_def_sites_initialize_block): Likewise.
12336         (ssa_mark_phi_uses): Likewise.
12337         (mark_def_site, ssa_mark_def_sites): Likewise.
12338         (mark_def_site_blocks): Likewise.
12339         (rewrite_ssa_into_ssa): Likewise.
12340
12341         * tree-ssa-dom.c (record_cond): Pass correct variable type
12342         for last argument to htab_find_slot_with_hash.
12343
12344         * fold-const.c (fold, case CEIL_MOD_EXPR): Do not lose side
12345         effects when optimizing 0 % X.  Do not try to optimize X % 0.
12346
12347 2005-01-31  James E. Wilson  <wilson@specifixinc.com>
12348
12349         * config/ia64/itanium1.md (1_scall bypass): Change 2_mmalua to
12350         1_mmalua.
12351
12352 2005-02-01  Eric Christopher  <echristo@redhat.com>
12353
12354         * config/mips/mips.c (override_options): Warn if -mint64
12355         is used.
12356         * doc/invoke.texi (MIPS Options): Document that -mint64 is
12357         deprecated.
12358
12359 2005-02-01  Kazu Hirata  <kazu@cs.umass.edu>
12360
12361         * cse.c (cse_reg_info): Remove hash_next, next, regno.  Add
12362         timestamp.
12363         (cse_reg_info_list, cse_reg_info_list_free, REGHASH_SHIFT,
12364         REGHASH_SIZE, REGHASH_MASK, reg_hash, REGHASH_FN,
12365         cached_cse_reg_info, GET_CSE_REG_INFO): Remove.
12366         (cached_regno): Initialize to INVALID_REGNUM.
12367         (cse_reg_info_table_size,
12368         cse_reg_info_table_first_uninitialized,
12369         cse_reg_info_timestamp): New.
12370         (REG_TICK, REG_IN_TABLE, SUBREG_TICKED, REG_QTY): Use
12371         get_cse_reg_info.
12372         (init_cse_reg_info, get_cse_reg_info_1): New.
12373         (get_cse_reg_info): Cache the last look-up.
12374         (new_basic_block): Update the code to clear mappings from
12375         registers to cse_reg_info entries.
12376         (cse_main): Call init_cse_reg_info.
12377
12378         * cse.c (get_cse_reg_info): Update a comment.
12379
12380 2005-01-31  Steven Bosscher  <stevenb@suse.de>
12381
12382         PR c/19333
12383         * c-decl.c (start_decl): Do not warn about arrays of elements with
12384         an incomplete type here.
12385         (grokdeclarator): Do it here by making a pedwarn an error.
12386         * c-typeck.c (push_init_level): If there were previous errors with
12387         the constructor type, do not warn about braces for initializers.
12388         (process_init_element): Likewise for excess initializer elements.
12389
12390 2005-01-31  Kazu Hirata  <kazu@cs.umass.edu>
12391
12392         * cse.c (delete_trivially_dead_insn): Don't iterate.
12393
12394 2005-01-31  Andrew Pinski  <pinskia@physics.uc.edu>
12395
12396         * config/rs6000/rs6000.md (copysignsf3): New expand.
12397         (copysigndf3): Likewise.
12398
12399 2005-01-31  Steven Bosscher  <stevenb@suse.de>
12400
12401         * recog.c (constrain_operands): Only look for earlyclobber operand
12402         conflicts if an '&' constraint was seen.
12403
12404 2005-01-31  Marc Espie <espie@openbsd.org>
12405
12406         * config.gcc: Don't include embedded systems fragment, switches default
12407         debugging format to ELF.
12408         * config/i386/openbsdelf.h: Add DBX_REGISTER_NUMBER since we no
12409         longer pick it up there.
12410
12411 2005-01-31  Dale Johannesen  <dalej@apple.com>
12412
12413         * doc/extend.texi (nested functions): Fix linkage description.
12414         Clarify that static is not allowed.
12415
12416 2005-01-31  Dale Johannesen  <dalej@apple.com>
12417
12418         * config/rs6000/darwin.md (movsf_low_di):  Make work.
12419         (movdf_low_di):  Make work.
12420
12421 2005-01-31  Dale Johannesen  <dalej@apple.com>
12422
12423         * config/rs6000/darwin-tramp.asm (__trampoline_setup):
12424         Make work for 64 bit.
12425
12426 2005-01-31  Roger Sayle  <roger@eyesopen.com>
12427             Dale Johannesen  <dalej@apple.com>
12428
12429         PR middle-end/19650
12430         * fold-const.c (fold_binary_op_with_conditional_arg):
12431         Make types match original operands, before STRIP_NOPS.
12432
12433 2005-01-31  Alan Modra  <amodra@bigpond.net.au>
12434
12435         * config/rs6000/linux-unwind.h (struct gcc_vregs): New.
12436         (struct gcc_regs): Rename from gcc_pt_regs.  Add more regs.
12437         (struct gcc_sigcontext): Delete.  Merge contents to..
12438         (struct gcc_ucontext): ..here.
12439         (get_sigcontext): Delete.
12440         (get_regs): New function, like get_sigcontext but return regs ptr.
12441         64-bit version finds regs from r1 to support vdso.
12442         (ppc_linux_aux_vector): New function.
12443         (ppc_fallback_frame_state): Modify for get_regs.  Restore fprs
12444         and vector regs.
12445
12446 2005-01-31  Ira Rosen  <irar@il.ibm.com>
12447
12448         * tree-vectorizer.c (vect_analyze_offset_expr): Use ssizetype instead
12449         sizetype.
12450         (vect_get_base_and_offset): Use ssizetype instead sizetype. Remove
12451         redundant fold. Fix misalignment for MINUS_EXPR.
12452         (vect_compute_data_ref_alignment): Use ssizetype instead sizetype.
12453         (vect_analyze_pointer_ref_access): Likewise.
12454         (vect_get_memtag_and_dr): Likewise.
12455
12456 2005-01-31  Richard Henderson  <rth@redhat.com>
12457
12458         * config/i386/i386.c (absnegsf2_mixed): Remove all of the # hackery.
12459         (absnegsf2_sse, absnegsf2_i387, absnegdf2_mixed, absnegdf2_sse,
12460         absnegdf2_i387, absnegxf2_i387): Likewise.
12461
12462 2005-01-31  Richard Henderson  <rth@redhat.com>
12463
12464         PR 19696
12465         * optabs.c (expand_copysign_absneg): New.
12466         (expand_copysign_bit): Split out from ...
12467         (expand_copysign): ... here.  Use expand_copysign_absneg.
12468
12469 2005-01-30  Roger Sayle  <roger@eyesopen.com>
12470
12471         PR middle-end/19697
12472         * config/pa/pa.md (anddi3, iordi3): On HPPA64, disallow an integer
12473         constant as the second operand and a register as the third.
12474
12475 2005-01-31  Danny Smith  <dannysmith@users.sourceforge.net>
12476
12477         PR target/19704
12478         * config/i386/i386.c (ix86_function_ok_for_sibcall):  Also check
12479         that dllimport'd functions do not use all call-clobbered registers
12480         to pass parameters.
12481
12482 2005-01-30  Richard Henderson  <rth@redhat.com>
12483
12484         PR 19696
12485         * optabs.c (expand_absneg_bit): Split out from expand_unop and
12486         expand_abs_nojump and generalize.  Use operand_subword and
12487         emit_no_conflict_block.  Support large modes.
12488         (expand_abs_nojump): Use it.  Use HONOR_SIGNED_ZEROS to fall
12489         back to maximum.
12490         (expand_unop): Likewise.  Use HONOR_SIGNED_ZEROS to fall back
12491         negation to subtraction.
12492         (expand_copysign): Check that the format has signed zeros.
12493         Use operand_subword and emit_no_conflict_block.  Support large modes.
12494
12495 2005-01-30  Daniel Berlin  <dberlin@dberlin.org>
12496
12497         Fix PR tree-optimization/19624
12498
12499         * Makefile.in (tree-ssa-pre.o): Add CFGLOOP_H.
12500         * tree-ssa-pre.c: Add cfgloop.h.
12501         Update comment.
12502         (pre_stats): New member, constified.
12503         (inserted_exprs): New static variable.
12504         (NECESSARY): New macro.
12505         (create_expression_by_pieces): Fold the expression, and
12506         mark it as defaulting to not necessary. Also put in
12507         inserted_exprs.
12508         (fully_constant_expression): New function.
12509         (insert_into_preds_of_block): Modify to not insert phis when we
12510         are playing with induction variables.
12511         Push phis onto the inserted_exprs vector, and mark them as not
12512         necessary by default.
12513         (insert_aux): Call fully_constant_expression on eprime.
12514         If all edges produce the same value, mark it constant.
12515         (mark_operand_necessary): New function.
12516         (remove_dead_inserted_code): New function.
12517         (init_pre): Init loop optimizer to get loop info.
12518         (fini_pre): Free loop_optimizer, and inserted_exprs vec.
12519         (execute_pre): Commit edge inserts, then remove dead code.
12520
12521 2005-01-30  Richard Henderson  <rth@redhat.com>
12522
12523         * rtl.c (rtx_equal_p): No early exit for CONST_VECTOR.
12524         * varasm.c (const_rtx_hash_1): Handle CONST_VECTOR.
12525
12526 2005-01-30  Richard Henderson  <rth@redhat.com>
12527
12528         PR target/19700
12529         * config/i386/i386.c (ix86_expand_copysign): New.
12530         (ix86_split_copysign_const): New.
12531         (ix86_split_copysign_var): Rename from ix86_split_copysign,
12532         rearrange op1/nmask operands.
12533         * config/i386/i386-protos.h: Update.
12534         * config/i386/i386.md (copysignsf3): Use ix86_expand_copysign.
12535         (copysigndf3): Likewise.
12536         (copysignsf3_const, copysigndf3_const): New.
12537         (copysignsf3_var): Rename from copysignsf3, split out splitter
12538         and fix split predicate for X constraint.
12539         (copysigndf3_var): Similarly.
12540
12541 2005-01-30  Kazu Hirata  <kazu@cs.umass.edu>
12542
12543         * optabs.c, doc/c-tree.texi, doc/install.texi, doc/md.texi,
12544         doc/passes.texi, doc/rtl.texi, doc/sourcebuild.texi,
12545         doc/tm.texi, doc/tree-ssa.texi: Update copyright.
12546
12547 2005-01-29  Richard Henderson  <rth@redhat.com>
12548
12549         PR target/19690
12550         * config/i386/i386.md (movdf_nointeger, movdf_integer): Fix ordering
12551         of # and * in constraints.
12552
12553 2005-01-29  Richard Henderson  <rth@redhat.com>
12554
12555         PR middle-end/19689
12556         * expr.c (store_field): Don't strip sub-mode cast when the input
12557         data is even smaller.
12558
12559 2005-01-29  Richard Henderson  <rth@redhat.com>
12560
12561         PR middle-end/19687
12562         * expr.c (categorize_ctor_elements_1): Check for CONSTRUCTOR of a
12563         union being empty.
12564
12565 2005-01-29  Richard Henderson  <rth@redhat.com>
12566
12567         * combine.c (make_field_assignment): Fix argument order
12568         to gen_int_mode.
12569
12570 2005-01-29  Richard Guenther <richard.guenther@uni-tuebingen.de>
12571
12572         PR tree-optimization/15791
12573         * fold-const.c (extract_array_ref): New function.
12574         (fold): Fold comparisons between &a[i] and &a[j] or
12575         semantically equivalent trees.
12576
12577 2005-01-29  Jeff Law  <law@redhat.com>
12578
12579         * gcse.c (insert_expr_in_table): Revamp handling of available
12580         and anticipatable occurrence lists to avoid unnecessary list
12581         walking.
12582         (insert_set_in_table): Similarly.
12583
12584 2005-01-29  Joseph S. Myers  <joseph@codesourcery.com>
12585
12586         * c-common.c (fix_string_type): Just use c_build_qualified_type to
12587         build string type.
12588         (c_build_qualified_type): Build qualified array types with
12589         TYPE_MAIN_VARIANT pointing to corresponding unqualified type.
12590         * c-decl.c (c_make_fname_decl): Build unqualified array type
12591         before qualified type.
12592         (grokdeclarator): Use TYPE_MAIN_VARIANT of typedef type if element
12593         type is qualified, not just if type itself is.  Don't apply
12594         qualifiers to array type when declarator is processed.  Apply
12595         qualifiers to field type whether or not it is an array type.
12596         Don't handle array types specially for applying qualifiers to
12597         variables.
12598         * c-typeck.c (composite_type): Build unqualified element type and
12599         array type when forming composite of array types.
12600         (common_pointer_type, comptypes, comp_target_types,
12601         type_lists_compatible_p, build_indirect_ref, build_array_ref,
12602         convert_for_assignment): Don't apply TYPE_MAIN_VARIANT to array
12603         types.
12604         (type_lists_compatible_p): Cache TREE_VALUE (args1) and TREE_VALUE
12605         (args2) in variables a1 and a2.
12606
12607 2005-01-29  Kazu Hirata  <kazu@cs.umass.edu>
12608
12609         * cse.c (n_elements_made, max_elements_made): Remove.
12610         (insert): Don't touch n_elements_made.
12611         (cse_main): Don't touch n_elements_made or max_elements_made.
12612
12613 2005-01-28  Stephane Carrez  <stcarrez@nerim.fr>
12614
12615         PR target/15384
12616         * config/m68hc11/t-m68hc11-gas (dp-bit.c): Fix typo causing a
12617         configuration part of dp-bit.c to be lost.
12618
12619 2005-01-28  Roger Sayle  <roger@eyesopen.com>
12620
12621         * expmed.c (expand_mult_highpart_optab): When attempting to use
12622         a non-widening multiplication in a wider mode, the operands need
12623         to be converted (zero or sign extended) to that mode.
12624
12625 2005-01-28  Ian Lance Taylor  <ian@airs.com>
12626
12627         PR middle-end/16558
12628         PR middle-end/19583
12629         * gimple-low.c (block_may_fallthru): TRY_FINALLY_EXPR only falls
12630         through if both operands fall through.
12631
12632 2005-01-28  Kazu Hirata  <kazu@cs.umass.edu>
12633
12634         * cse.c (fold_rtx) <PC>: Don't optimize.
12635
12636 2005-01-28  Jeff Law  <law@redhat.com>
12637
12638         * fold-const.c (fold, case CEIL_MOD_EXPR): Optimize 0 % X.
12639         (case FLOOR_MOD_EXPR, ROUND_MOD_EXPR, TRUNC_MOD_EXPR): Similarly.
12640
12641 2005-01-28  Kazu Hirata  <kazu@cs.umass.edu>
12642
12643         * cse.c (cse_reg_info_free_list, cse_reg_info_used_list,
12644         cse_reg_info_used_list_end): Remove.
12645         (cse_reg_info_list, cse_reg_info_list_free): New.
12646         (get_cse_reg_info): When allocating an instance of
12647         cse_reg_info, add it to the beginning of the cse_reg_info_list
12648         list.  Remove code to maintain cse_reg_info_used_list.
12649         (new_basic_block): Reset the free list to the beginning of
12650         cse_reg_info_list.
12651
12652 2005-01-28  Richard Sandiford  <rsandifo@redhat.com>
12653
12654         * config/frv/frv.c (bdesc_2arg): Remove __MDPACKH.
12655         (frv_init_builtins): Change its prototype to take 4 uhalf arguments.
12656         (frv_expand_mdpackh_builtin): New function.
12657         (frv_expand_builtin): Use it to expand __MDPACKH.
12658         * doc/extend.texi (__MDPACKH): Update documentation.
12659
12660 2005-01-28  Uros Bizjak  <uros@kss-loka.si>
12661
12662         * config/i386/i386.c (ix86_expand_fp_absneg_operator): Use
12663         SSE_FLOAT_MODE_P for use_sse computation.
12664
12665 2005-01-28  Ralf Corsepius  <ralf.corsepius@rtems.org>
12666
12667         PR target/19663
12668         * config/sparc/rtemself.h (LINK_GCC_C_SEQUENCE_SPEC): undefine.
12669
12670 2005-01-27  Richard Henderson  <rth@redhat.com>
12671
12672         * builtins.c (expand_builtin_copysign): New.
12673         (expand_builtin): Call it.
12674         * genopinit.c (optabs): Add copysign_optab.
12675         * optabs.c (init_optabs): Initialize it.
12676         (expand_copysign): New.
12677         * optabs.h (OTI_copysign, copysign_optab): New.
12678         (expand_copysign): Declare.
12679
12680         * config/alpha/alpha.md (UNSPEC_COPYSIGN): New.
12681         (copysignsf3, ncopysignsf3, copysigndf3, ncopysigndf3): New.
12682
12683         * config/i386/i386.c (ix86_build_signbit_mask): Split from ...
12684         (ix86_expand_fp_absneg_operator): ... here.
12685         (ix86_split_copysign): New.
12686         * config/i386/i386-protos.h: Update.
12687         * config/i386/i386.md (UNSPEC_COPYSIGN): New.
12688         (copysignsf3, copysigndf3): New.
12689
12690         * config/ia64/ia64.md (UNSPEC_COPYSIGN): New.
12691         (copysignsf3, ncopysignsf3): New.
12692         (copysigndf3, ncopysigndf3): New.
12693         (copysignxf3, ncopysignxf3): New.
12694         * config/ia64/ia64.c (rtx_needs_barrier): Handle UNSPEC_COPYSIGN.
12695
12696 2005-01-27  Arend Bayer  <arend.bayer@web.de>
12697             Kazu Hirata  <kazu@cs.umass.edu>
12698
12699         * cse.c: (find_best_addr): Don't call copy_rtx before calling
12700         fold_rtx.  Save cost recomputation if fold_rtx did nothing.
12701         (fold_rtx) <ASM_OPERANDS>: Don't do anything if INSN is
12702         NULL_RTX.
12703
12704 2005-01-27  Jeff Law  <law@redhat.com>
12705
12706         * tree-into-ssa.c (ssa_rewrite_initialize_block): Do not register
12707         definitions of SSA_NAMEs which are not being rewritten.
12708         (rewrite_ssa_into_ssa): Only initialize the current definition
12709         of an SSA_NAME if that SSA_NAME has been marked for rewriting.
12710         If checking is enabled, assert that SSA_NAME_AUX is clear for all
12711         SSA_NAMEs before returning.
12712
12713 2005-01-27  Kazu Hirata  <kazu@cs.umass.edu>
12714
12715         * c-common.def, c-dump.c, c-gimplify.c, c-objc-common.c,
12716         cfgexpand.c, dbxout.c, function.h, opts.c, tree-flow-inline.h,
12717         tree-ssa-operands.h, tree-ssa-threadupdate.c, tree-tailcall.c,
12718         config/avr/avr.md, config/cris/aout.h, config/cris/cris.h,
12719         config/mips/iris6.h, config/sh/sh.c: Update copyright.
12720
12721 2005-01-27  Steven Bosscher  <stevenb@suse.de>
12722
12723         PR middle-end/17278
12724         * opts.c (decode_options): Move flag_thread_jumps from -O1 and
12725         higher to -O2 and higher.  Likewise for tree PRE.
12726         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Only iterate at -O2
12727         and better.
12728
12729 2005-01-27  Ian Lance Taylor  <ian@airs.com>
12730
12731         PR middle-end/19583
12732         * gimple-low.c (try_catch_may_fallthru): New static function.
12733         (block_may_fallthru): Handle TRY_CATCH_EXPR.
12734         * tree-inline.c (expand_call_inline): Don't warn about reaching
12735         the end of a non-void function being inlined if the function uses
12736         a return slot.
12737
12738 2005-01-27  Jakub Jelinek  <jakub@redhat.com>
12739
12740         * config/i386/i386.h (CALL_USED_REGISTERS): Fix comment pastos.
12741
12742         PR c/18946
12743         * c-decl.c (warn_if_shadowing): Handle old_decl error_mark_node.
12744         (pushdecl): Only use DECL_FILE_SCOPE_P if DECL_P.
12745         (implicitly_declare): Handle error_mark_node.
12746
12747 2005-01-27  Richard Henderson  <rth@redhat.com>
12748
12749         PR tree-opt/14329
12750         * tree.h (struct tree_decl): Add debug_expr_is_from.
12751         (DECL_DEBUG_EXPR_IS_FROM): New.
12752         (DECL_DEBUG_EXPR): Rename from DECL_DEBUG_ALIAS_OF.
12753         * dwarf2out.c (dwarf2out_var_location): Update to match.
12754         * tree-outof-ssa.c (create_temp): Likewise.
12755         * var-tracking.c (track_expr_p): Likewise.
12756         * tree-sra.c (instantiate_element): Set DECL_DEBUG_EXPR.
12757         * c-objc-common.c (c_tree_printer) <'D'>: Handle DECL_DEBUG_EXPR.
12758         * toplev.c (default_tree_printer): Likewise.
12759
12760 2005-01-27  Alexandre Oliva  <aoliva@redhat.com>
12761
12762         * config/frv/frv.c (frv_class_likely_spilled_p): Add GR8_REGS,
12763         GR9_REGS, GR89_REGS, FDPIC_FPTR_REGS, FDPIC_REGS.
12764
12765 2005-01-27  Steven Bosscher  <stevenb@suse.de>
12766
12767         * tree.h (SWITCH_COND, SWITCH_BODY, SWITCH_LABELS, CASE_LOW,
12768         CASE_HIGH, CASE_LABEL, ASM_STRING, ASM_OUTPUTS, ASM_INPUTS,
12769         ASM_CLOBBERS): Add tree checks.
12770
12771         * c-common.h (SWITCH_TYPE): Rename to SWITCH_STMT_TYPE.
12772         (SWITCH_STMT_COND, SWITCH_STMT_BODY): New.
12773         * c-common.def (SWITCH_STMT): Update to match.
12774         * c-common.c (c_do_switch_warnings): Use SWITCH_STMT accessor
12775         macros instead of SWITCH_EXPR ones.
12776         * c-dump.c (c_dump_tree): Likewise.
12777         * c-gimplify.c (gimplify_switch_stmt): Likewise.
12778         * c-typeck.c (c_start_case, do_case, c_finish_case): Likewise.
12779
12780         * doc/c-tree.texi (SWITCH_STMT): Update accessor macro names.
12781
12782 2005-01-27  Alan Modra  <amodra@bigpond.net.au>
12783
12784         * unwind-dw2.c (execute_stack_op): Add missing cases for
12785         DW_OP_shl, DW_OP_shr, DW_OP_shra, DW_OP_xor.
12786
12787 2005-01-27  Eric Botcazou  <ebotcazou@libertysurf.fr>
12788
12789         * config.gcc (Obsolete configurations): Remove 'dummy', add
12790         sparclite-*-coff*, sparclite-*-elf*, sparc86x-*-elf* and
12791         sparc-*-openbsd*.
12792
12793 2005-01-26  Diego Novillo  <dnovillo@redhat.com>
12794
12795         PR tree-optimization/19633
12796         * tree-ssa-alias.c (ptr_is_dereferenced_by): Also handle
12797         CALL_EXPRs.
12798         (maybe_create_global_var): Do not create .GLOBAL_VAR if there
12799         are no call-clobbered variables.
12800         * tree-outof-ssa.c (check_replaceable): Return false for calls
12801         with side-effects.
12802
12803 2005-01-26  Ulrich Weigand  <uweigand@de.ibm.com>
12804
12805         * dbxout.c (dbxout_symbol_location): Resolve constant pool references
12806         even for variables with NULL DECL_INITIAL.
12807
12808 2005-01-26  Stuart Hastings  <stuart@apple.com>
12809
12810         * gimplify.c (shortcut_cond_expr): Re-compute side-effects.
12811
12812 2005-01-26  Richard Henderson  <rth@redhat.com>
12813
12814         PR middle-end/18008
12815         * c-decl.c (finish_struct): Set DECL_MODE after resetting a
12816         field's type.
12817         * expr.c (store_field): Strip conversions to odd-bit-sized types
12818         if the destination field width matches.
12819
12820 2005-01-26  Richard Henderson  <rth@redhat.com>
12821
12822         * c-decl.c, expmed.c, expr.c: Revert last change.
12823
12824 2005-01-26  Richard Henderson  <rth@redhat.com>
12825
12826         PR middle-end/18008
12827         * c-decl.c (finish_struct): Set DECL_MODE after resetting a
12828         field's type.
12829         * expmed.c (store_fixed_bit_field): Create a paradoxical subreg
12830         if we don't need the bits above those present in the current mode.
12831         * expr.c (store_field): Strip conversions to odd-bit-sized types
12832         if the destination field width matches.
12833
12834 2005-01-26  Richard Sandiford  <rsandifo@redhat.com>
12835
12836         * config/mips/iris6.h (ENDFILE_SPEC): Don't link in irix-csr.o if
12837         either -ffast-math or -funsafe-math-optimizations is in use.
12838
12839 2005-01-26  Marek Michalkiewicz  <marekm@amelek.gda.pl>
12840
12841         PR target/19293
12842         PR target/19329
12843         * config/avr/avr.c (notice_update_cc): Only set condition code for
12844         ashrqi3 if shift count > 0.
12845         (out_shift_with_cnt): Handle shift count <= 0 as a no-op.
12846         (ashlqi3_out, ashlhi3_out, ashlsi3_out, ashrqi3_out, ashrhi3_out,
12847         ashrsi3_out, lshrqi3_out, lshrhi3_out, lshrsi3_out): Handle shift
12848         count <= 0 as a no-op, and shift count >= width by copying zero
12849         or sign bit to all bits of the result.
12850         * config/avr/avr.md (all shifts): Add alternatives for zero shift
12851         count, with attribute "length" set to 0 and "cc" set to "none".
12852
12853 2005-01-26  Aldy Hernandez  <aldyh@redhat.com>
12854
12855         * doc/invoke.texi: Document -mTLS.
12856
12857         * testsuite/gcc.target/frv/all-tls-global-dynamic.c: New.
12858         * testsuite/gcc.target/frv/all-tls-initial-exec.c: New.
12859         * testsuite/gcc.target/frv/all-tls-initial-exec-pic.c: New.
12860         * testsuite/gcc.target/frv/all-tls-local-dynamic.c: New.
12861         * testsuite/gcc.target/frv/all-tls-local-dynamic-plt.c: New.
12862         * testsuite/gcc.target/frv/all-tls-local-dynamic-plt-pic.c: New.
12863         * testsuite/gcc.target/frv/all-tls-local-exec.c: New.
12864         * testsuite/gcc.target/frv/all-tls-local-exec-TLS.c: New.
12865
12866         * configure.ac: Check for a TLS capable gas.
12867
12868         * configure: Regenerate.
12869
12870 2005-01-26  Richard Henderson  <rth@redhat.com>
12871
12872         PR middle-end/18008
12873         * combine.c (make_field_assignment): Simplify store to zero_extract
12874         from a source with an overlapping mask.
12875
12876 2005-01-26  Aldy Hernandez  <aldyh@redhat.com>
12877
12878         2004-11-11  Eric Christopher  <echristo@redhat.com>
12879
12880         * config/frv/frv.md: Add fr400_integer automaton. Don't
12881         allow TYPE_MUL, TYPE_MACC, or TYPE_CUT to issue in parallel
12882         to TYPE_MACC.
12883
12884 2005-01-26  Steven Bosscher  <stevenb@suse.de>
12885
12886         PR middle-end/16585
12887         * cfgbuild.c (make_edges): Do not clear or set
12888         current_function_has_computed_jump.
12889         * function.h (struct function): Remove the has_computed_jump field.
12890         (current_function_has_computed_jump): Do not define.
12891         * sched-rgn.c (is_cfg_nonregular): Return true if a basic block ends
12892         in a computed jump.  Ignore current_function_has_computed_jump.
12893
12894 2005-01-26  Richard Henderson  <rth@redhat.com>
12895
12896         PR middle-end/19515
12897         * expr.c (categorize_ctor_elements): New argument p_must_clear.
12898         (categorize_ctor_elements_1): Likewise.  Detect a union that isn't
12899         fully initialized.
12900         (mostly_zeros_p): Update for new categorize_ctor_elements argument.
12901         * gimplify.c (gimplify_init_constructor): Likewise.  Only shove
12902         objects into static storage if they have more than one non-zero value.
12903         * tree.h (categorize_ctor_elements): Update decl.
12904
12905 2005-01-26  Steven Bosscher  <stevenb@suse.de>
12906
12907         PR middle-end/19616
12908         * tree.h (CALL_EXPR_TAILCALL): Add comment.
12909         * calls.c (check_sibcall_argument_overlap_1): Revert the change
12910         to this function from 2004-07-10.
12911         * tree-tailcall.c (suitable_for_tail_opt_p): Do not consider the
12912         the current function for tail call optimizations if the address
12913         of one of it its arguments is taken.
12914
12915 2005-01-26  Kazu Hirata  <kazu@cs.umass.edu>
12916
12917         * cse.c (fold_rtx): Call equiv_constant only when necessary.
12918
12919 2005-01-26  Bernd Schmidt  <bernd.schmidt@analog.com>
12920
12921         * function.c (expand_function_end): If current_function_calls_alloca,
12922         emit stack restore in a place that is reached when the function falls
12923         through at the end.
12924
12925 2005-01-26  Alexandre Oliva  <aoliva@redhat.com>
12926
12927         * Makefile.in (../$(build_subdir)/fixincludes/fixincl): Add dummy
12928         rule to avoid matching inappropriate suffix rule.
12929
12930 2005-01-26  Jan Hubicka  <jh@suse.cz>
12931
12932         PR tree-optimization/19241
12933         * tree-inline.c (copy_body_r): Do not walk subtrees after substituting.
12934
12935 2005-01-26  Hans-Peter Nilsson  <hp@axis.com>
12936
12937         * config/cris/cris.h (LIB_SPEC) <sim*>: Use -lsyslinux, not
12938         -lsyssim.  Wrap -lc -lsyssim in --start-group --end-group instead
12939         of doubling.
12940         (STARTFILE_SPEC): Add crti.o, before crtbegin.o.
12941         <sim*>: Always use crt1.o, regardless of N in simN.
12942         <!sim>: Drop support for -pg and -p variants; always use crt0.o.
12943         (ENDFILE_SPEC): Add crtn.o, after crtend.o.
12944         (CRT_CALL_STATIC_FUNCTION): Remove.
12945         * config/cris/aout.h (STARTFILE_SPEC): <!melinux && sim*>: Always
12946         use crt1.o, regardless of N in simN.
12947         <!sim>: Drop support for -pg and -p variants; always use crt0.o.
12948         (LIB_SPEC): Do not define; default to the one in config/cris/cris.h.
12949         (CRIS_CPP_SUBTARGET_SPEC) <melinux && !nostdinc>: Remove special
12950         case isystem setting.
12951         (MAX_OFILE_ALIGNMENT): Correct to 32, not 16.
12952
12953 2005-01-25  Ian Lance Taylor  <ian@airs.com>
12954
12955         * gimple-low.c (block_may_fallthru): Correct handling of
12956         SWITCH_EXPR--may fall through if SWITCH_LABELS is NULL.
12957
12958 2005-01-26  Hans-Peter Nilsson  <hp@axis.com>
12959
12960         * config/cris/cris.h (CPP_SPEC): Adjust the various mtune=
12961         handlers to match indentation; nested under the mtune=* handler.
12962         Similar for mcpu= and march=.
12963
12964 2005-01-25  Daniel Jacobowitz  <dan@codesourcery.com>
12965
12966         * config/mips/linux.h (LIB_SPEC): Remove -rpath-link.
12967         * config/mips/linux64.h (LIB_SPEC): Likewise.
12968         * config/mn10300/linux.h (LIB_SPEC): Likewise.
12969         * config/sh/linux.h (LIB_SPEC): Likewise.
12970
12971 2005-01-25  Aldy Hernandez  <aldyh@redhat.com>
12972
12973         * config/frv/frv.c (frv_legitimize_tls_address): New.
12974         (TARGET_HAVE_TLS): Define.
12975         (FRV_SYMBOL_REF_TLS_P): Define.
12976         (frv_override_options): Handle new register classes.
12977         (frv_legitimate_address_p): Reject tls addresses.
12978         (frv_legitimize_address): Handle TLS addresses.
12979         (gen_inlined_tls_plt): New.
12980         (gen_tlsmoff): New.
12981         (frv_legitimize_tls_address): New.
12982         (unspec_got_name): Add TLS entries.
12983         (got12_operand): Add R_FRV_TLSMOFF12 case.
12984         (frv_emit_move): Fixup TLS addresses.
12985         (frv_emit_movsi): Legitimize TLS addresses.
12986
12987         * config/frv/frv.h (MASK_BIG_TLS): New.
12988         (TARGET_BIG_TLS): New.
12989         (HAVE_AS_TLS): Define.
12990         (TARGET_SWITCHES): Add -mTLS and -mtls options.
12991         (enum reg_class): Add GR8_REGS, GR9_REGS, GR89_REGS.
12992         (REG_CLASS_NAMES): Same.
12993         (REG_CLASS_CONTENTS): Same.
12994         (CONSTRAINT_LEN): New.
12995         (REG_CLASS_FROM_CONSTRAINT): New.
12996         (PREDICATE_CODES): Add symbolic_operand.
12997
12998         * config/frv/frv.md (define_constants): Add UNSPEC_GETTLSOFF,
12999         UNSPEC_TLS_LOAD_GOTTLSOFF12, UNSPEC_TLS_INDIRECT_CALL,
13000         UNSPEC_TLS_TLSDESC_LDD, UNSPEC_TLS_TLSDESC_LDD_AUX,
13001         UNSPEC_TLS_TLSOFF_LD, UNSPEC_TLS_LDDI, UNSPEC_TLSOFF_HILO,
13002         R_FRV_GOTTLSOFF_HI, R_FRV_GOTTLSOFF_LO, R_FRV_TLSMOFFHI,
13003         R_FRV_TLSMOFFLO, R_FRV_TLSMOFF12, R_FRV_TLSDESCHI,
13004         R_FRV_TLSDESCLO, R_FRV_GOTTLSDESCHI, R_FRV_GOTTLSDESCLO, GR8_REG,
13005         GR9_REG, GR14_REG, LRREG.
13006         (type): Add load_or_call attribute.
13007         ("load_or_call"): New reservation.
13008         ("call_gettlsoff"): New.
13009         ("tls_indirect_call"): New.
13010         ("tls_load_gottlsoff12"): New.
13011         ("tlsoff_hilo"): New.
13012         ("tls_tlsdesc_ldd"): New.
13013         ("tls_tlsoff_ld"): New.
13014         ("tls_lddi"): New.
13015
13016         * config/frv/frv-protos.h (symbolic_operand): Protoize.
13017
13018         2005-01-25  Alexandre Oliva  <aoliva@redhat.com>
13019
13020         * config/frv/frv.h (ASM_OUTPUT_DWARF_DTPREL): Define.
13021         * config/frv/frv-protos.h (frv_output_dwarf_dtprel): Declare.
13022         * config/frv/frv.c (TLS_BIAS): Define.
13023         (frv_output_dwarf_dtprel): New.
13024
13025 2005-01-26  Jakub Jelinek  <jakub@redhat.com>
13026
13027         PR rtl-optimization/19579
13028         * ifcvt.c (noce_try_cmove_arith): If emitting instructions to set up
13029         both A and B, see if they don't clobber registers the other expr uses.
13030
13031 2005-01-25  J"orn Rennecke <joern.rennecke@st.com>
13032
13033         * real.c (do_add): Initialize signalling and canonical members.
13034
13035         * real.c (real_from_integer): Zero out destination.
13036
13037 2005-01-18  Jan Hubicka  <jh@suse.cz>
13038
13039         PR tree-optimize/19337
13040         * tree-inline.c (initialize_inlined_parameters): Copy
13041         saved_static_chain_decl only.
13042
13043 2005-01-25  Richard Henderson  <rth@redhat.com>
13044
13045         PR target/19556
13046         PR target/19584
13047         * config/i386/i386.c (x86_inter_unit_moves): Zero.
13048         (ix86_preferred_reload_class): Rewrite fp-constant section, with
13049         80387 enabled, to return a proper subclass.  Return the subset that
13050         overlaps with GENERAL_REGS for PLUS.
13051         * config/i386/i386.md (movsi_1, movdi_2): Set type to "mmx" for pxor.
13052
13053 2005-01-25  Richard Henderson  <rth@redhat.com>
13054
13055         PR middle-end/19609
13056         * tree-complex.c (expand_complex_div_wide): Use the correct formulae.
13057
13058 2005-01-25  Roger Sayle  <roger@eyesopen.com>
13059
13060         * expmed.c (choose_multiplier): Change interface to return the
13061         multiplier lowpart as an rtx instead of an unsigned HOST_WIDE_INT.
13062         (expand_divmod): Update calls to choose_multiplier.
13063
13064 2005-01-24  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
13065
13066         PR middle-end/19330
13067         * expmed.c (extract_bit_field): Use adjust_address instead of
13068         gen_lowpart when op0 is a MEM.
13069
13070 2005-01-24  Steven Bosscher  <stevenb@suse.de>
13071
13072         * cfgexpand.c (expand_gimple_tailcall): Fix typo.
13073
13074 2005-01-24  Richard Sandiford  <rsandifo@redhat.com>
13075
13076         * config/mips/irix-csr.c: New file.
13077         * config/mips/t-iris6 (irix-csr.o): New rule to build it.
13078         (EXTRA_MULTILIB_PARTS): Add irix-csr.o.
13079         * config/mips/iris6.h (ENDFILE_SPEC): Include it in n32 and n64
13080         executables.
13081
13082 2005-01-24  Eric Botcazou  <ebotcazou@libertysurf.fr>
13083
13084         PR bootstrap/19364
13085         * config.gcc (sparc-*-elf*): Remove sol2.h, sparc/sol2.h and
13086         sparc/elf.h, add sparc/sp-elf.h.
13087         (sparc-*-rtems*): Likewise.
13088         (sparclite-*-elf*): Remove sol2.h, sparc/sol2.h, sparc/elf.h and
13089         tm-dwarf2.h, add sparc/sp-elf.h.
13090         (sparc86x-*-elf): Likewise.
13091         (sparc64-*-elf*): Remove sol2.h, sparc/sol2.h and tm-dwarf2.h.
13092         * config/sparc/liteelf.h (TARGET_SUB_OS_CPP_BUILTINS): Rename into
13093         TARGET_OS_CPP_BUILTINS.
13094         * config/sparc/sp86x-elf (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
13095         * config/sparc/rtemself.h (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
13096         Undefine it.
13097         * config/sparc/openbsd64.h (NO_IMPLICIT_EXTERN_C): Undefine.
13098         * config/sparc/sp64-elf.h (NO_IMPLICIT_EXTERN_C): New macro.
13099         (SWITCH_TAKES_ARG): Likewise.
13100         (LOCAL_LABEL_PREFIX): Likewise.
13101         (ASM_GENERATE_INTERNAL_LABEL): Likewise.
13102         (TARGET_N_FORMAT_TYPES): Delete.
13103         (TARGET_FORMAT_TYPES): Likewise.
13104         (ASM_DECLARE_FUNCTION_SIZE): Likewise.
13105         * config/sparc/elf.h: Delete.
13106         * config/sparc/sp-elf.h: New file.
13107
13108 2005-01-24  Kazu Hirata  <kazu@cs.umass.edu>
13109
13110         * tree-flow-inline.h (phi_arg_from_edge): Remove.
13111         * tree-flow.h: Remove the corresponding prototype.
13112         * tree-ssa-operands.h, tree-ssa-threadupdate.c, tree-ssa.c,
13113         tree-vectorizer.c: Use dest_idx instead of phi_arg_from_edge.
13114
13115 2005-01-24  Jakub Jelinek  <jakub@redhat.com>
13116
13117         PR target/17751
13118         * config/rs6000/rs6000.c (rs6000_file_start): Create toc section
13119         for AIX ABI or ELF -fPIC.
13120         (rs6000_emit_load_toc_table): Don't create toc_section here.
13121         (rs6000_xcoff_file_start): Nor here.
13122
13123 2005-01-24  J"orn Rennecke <joern.rennecke@st.com>
13124
13125         * sh.c (ra.h): Don't #include.
13126         (hard_regs_intersect_p): New function, resurrected from ra.c.
13127
13128         * sh.c: Fix 1996 Copyright.
13129
13130 2005-01-24  Richard Henderson  <rth@redhat.com>
13131             Aldy Hernandez  <aldyh@redhat.com>
13132
13133         * regrename.c (note_sets): Handle subregs.
13134
13135 2005-01-24  Joseph S. Myers  <joseph@codesourcery.com>
13136
13137         PR bootstrap/18058
13138         * genconditions.c (write_header, write_conditions): Elide file if
13139         not GCC >= 3.0.1.
13140
13141 2005-01-24  Kazu Hirata  <kazu@cs.umass.edu>
13142
13143         * c-opts.c, expmed.c, gengtype.c, tree-complex.c,
13144         config/arm/iwmmxt.md, config/avr/avr.c, config/s390/s390.h:
13145         Update copyright.
13146
13147 2005-01-24  Jakub Jelinek  <jakub@redhat.com>
13148
13149         * builtins.c (get_pointer_alignment, gimplify_va_arg_expr,
13150         expand_builtin_printf, expand_builtin_fprintf,
13151         expand_builtin_sprintf): Use POINTER_TYPE_P instead TREE_CODE
13152         checking against POINTER_TYPE.
13153         (validate_arglist): Handle POINTER_TYPE code by checking
13154         POINTER_TYPE_P.
13155
13156 2005-01-24  Paolo Bonzini  <bonzini@gnu.org>
13157
13158         * rtlanal.c (non_rtx_starting_operands, for_each_rtx_1,
13159         init_rtlanal): New.
13160         (for_each_rtx): Call for_each_rtx_1.
13161         * rtl.h (init_rtlanal): Declare.
13162         * toplev.c (backend_init): Call init_rtlanal.
13163
13164 2005-01-24  Jakub Jelinek  <jakub@redhat.com>
13165
13166         * flow.c (propagate_one_insn): Formatting.
13167
13168         PR middle-end/19551
13169         * flow.c (libcall_dead_p): Be more conservative if unsure.
13170         If there are any instructions between insn and call, see if they are
13171         all dead before saying the libcall is dead.
13172
13173 2005-01-24  Uros Bizjak  <uros@kss-loka.si>
13174
13175         * config/i386/i386.md (*extendsfdf2_sse): Use "nonimmediate_operand"
13176         operand constraint for operand 0.
13177
13178 2005-01-23  Richard Henderson  <rth@redhat.com>
13179
13180         PR 19486
13181         * tree-complex.c (expand_complex_div_wide): Set EDGE_FALLTHRU on
13182         edges leading to join block.
13183
13184 2005-01-23  Roger Sayle  <roger@eyesopen.com>
13185
13186         * expmed.c (expand_mult_highpart): Make static.  Change type of
13187         constant multiplier argument from unsigned HOST_WIDE_INT to rtx.
13188         (expand_divmod): Updates calls to expand_mult_highpart by using
13189         gen_int_mode to pass a CONST_INT rtx.
13190         * rtl.h (expand_mult_highpart): Remove prototype.
13191
13192 2005-01-23  Kazu Hirata  <kazu@cs.umass.edu>
13193
13194         * flow.c (regset_bytes, regset_size): Remove.
13195
13196         * cfganal.c: Fix a reference to Harvey's paper.
13197
13198 2005-01-23  Steven Bosscher  <stevenb@suse.de>
13199
13200         PR rtl-optimization/19464
13201         * tree-optimize.c (init_tree_optimization_passes): Add one more
13202         copyrename pass just before out-of-ssa.
13203
13204 2005-01-23  Joseph S. Myers  <joseph@codesourcery.com>
13205
13206         PR bootstrap/18058
13207         * recog.c (recog_memoized): Don't define if GENERATOR_FILE.
13208         * ggc-none.c (ggc_free): Define.
13209
13210 2005-01-23  Kazu Hirata  <kazu@cs.umass.edu>
13211
13212         * cse.c (max_reg, max_insn_uid): Remove.
13213         (cse_main): Don't access max_reg or max_insn_uid.
13214
13215         * c-common.c (explicit_flag_signed_bitfields,
13216         lang_statement_code_p, lang_expand_function_end): Remove.
13217         * c-common.h: Remove the corresponding declarations.
13218         * c-opts.c (c_common_handle_option): Remove all write access
13219         to explicit_flag_signed_bitfields.
13220
13221         * cgraph.c (cgraph_varpool_n_nodes): Remove.
13222         (cgraph_varpool_node): Don't access cgraph_varpool_n_nodes.
13223         * cgraph.h: Remove the corresponding declaration.
13224
13225         * gcse.c (null_pointer_info): Remove.
13226
13227 2005-01-23  Roger Sayle  <roger@eyesopen.com>
13228             Eric Botcazou  <ebotcazou@libertysurf.fr>
13229
13230         * combine.c (simplify_logical): Only simplify logical expressions
13231         of the form ior(and(x,y),z) by the inverse distributive law if the
13232         result is cheaper than the original.
13233
13234 2005-01-23  Kazu Hirata  <kazu@cs.umass.edu>
13235
13236         * alias.c, c-common.h, c-incpath.c, c-incpath.h, expr.c,
13237         fold-const.c, gimplify.c, params.h, tree-data-ref.c,
13238         tree-if-conv.c, tree-nested.c, tree-outof-ssa.c,
13239         tree-ssa-dom.c, tree-vectorizer.c, tree.def, config/darwin.c,
13240         config/freebsd-spec.h, config/arm/arm.h,
13241         config/h8300/h8300.md, config/i386/i386.md,
13242         config/i386/predicates.md, config/i386/sse.md,
13243         config/ia64/ia64.c, config/ip2k/ip2k.c, config/s390/s390.c,
13244         config/vax/vax.md: Fix comment typos.  Follow spelling
13245         conventions.
13246
13247 2005-01-23  Steven Bosscher  <stevenb@suse.de>
13248
13249         * gengtype.c (walk_type): Produce `not equal to' compares for loop
13250         tests, instead of `less than'.
13251
13252 2005-01-23  Richard Sandiford  <rsandifo@redhat.com>
13253
13254         * function.c (assign_parm_setup_block): When creating a new stack slot
13255         for a parameter, get its alignment from the parameter's DECL_ALIGN
13256         rather than the type's TYPE_ALIGN.  Make sure that the parameter
13257         is at least word aligned.
13258
13259 2005-01-22  Roger Sayle  <roger@eyesopen.com>
13260
13261         PR middle-end/19378
13262         * config/avr/avr.c (avr_hard_regno_mode_ok): Rewrite.
13263
13264 2005-01-22  Richard Henderson  <rth@redhat.com>
13265
13266         PR target/19506
13267         * config/i386/i386.md (movsfcc_1_sse_max): Use nonimmediate_operand
13268         in both compare operands.
13269         (movdfcc_1_sse_max): Likewise.
13270         (movsfcc_1_sse): Likewise.  Add earlyclobber for scratch.
13271         (movdfcc_1_sse): Likewise.
13272         * config/i386/i386.c (ix86_split_sse_movcc): Emit copies into the
13273         scratch register as needed.
13274
13275 2005-01-22  Richard Henderson  <rth@redhat.com>
13276
13277         * config/i386/i386.md (smaxsf3): Fix mnemonic typo.
13278
13279         * config/i386/i386.c (ix86_prepare_fp_compare_args): Fix is_sse test.
13280
13281 2005-01-22  Richard Henderson  <rth@redhat.com>
13282
13283         * genopinit.c (optabs): Use smin/smax for floating point too.
13284         * doc/md.texi: Update to match.  Clarify that floating point
13285         results are undefined for +0/-0 and NaN.
13286         * doc/rtl.texi: Likewise.
13287         * rtl.def (SMIN, SMAX): Likewise
13288         * tree.def (MIN_EXPR, MAX_EXPR): Likewise.
13289
13290         * config/alpha/alpha.md (smaxdf3, smindf3, smaxsf3, sminsf3): Add
13291         leading 's' to the name.
13292         * config/ia64/ia64.md (smaxsf3, sminsf3, smaxdf3, smindf3,
13293         smaxxf3, sminxf3): Likewise.
13294         * config/rs6000/rs6000.md (smaxdf3, smindf3, smaxsf3, sminsf3):
13295         Likewise.
13296
13297 2005-01-22  Paul Brook  <paul@codesourcery.com>
13298
13299         * config/arm/arm.md: Use "Uy" constraint for wcgr load/stores.
13300
13301 2005-01-21  Mark Dettinger  <dettinge@de.ibm.com>
13302
13303         * config/s390/s390.c (struct processor_costs): New fields
13304         dlgr, dlr, dr, dsgfr, dsgr.
13305         (z900_cost, z990_cost): Values for new fields.
13306         (s390_rtx_costs): New cases MEM und COMPARE in switch
13307         statement. Modified handling of SIGN_EXTEND, ZERO_EXTEND,
13308         DIV, MOD, UDIV, UMOD.
13309
13310 2005-01-21  Ulrich Weigand  <uweigand@de.ibm.com>
13311
13312         * config/s390/s390.md ("doloop_si64"): Reload input value directly
13313         into the register being decremented.
13314         ("doloop_si31", "doloop_di"): Likewise.
13315         ("*doloop_si_long"): Adapt pattern.
13316
13317 2005-01-21  Ulrich Weigand  <uweigand@de.ibm.com>
13318
13319         * config/s390/s390.h (HARD_REGNO_NREGS): Fix computation for
13320         access registers.
13321         (CLASS_MAX_NREGS): Likewise.
13322
13323 2005-01-21  Daniel Berlin  <dberlin@dberlin.org>
13324
13325         * doc/tree-ssa.texi (Statement Operands): Add example for new
13326         must-def macro. Note deprecation of old operands interface.
13327
13328 2005-01-22  Richard Sandiford  <rsandifo@redhat.com>
13329
13330         PR tree-optimization/19484
13331         * tree-cfg.c (remove_fallthru_edge): New function.
13332         (cleanup_control_flow): Remove fallthru edges from calls that are
13333         now known not to return.
13334
13335 2005-01-20  Daniel Berlin  <dberlin@dberlin.org>
13336
13337         Fix PR tree-optimization/19038
13338         * tree-ssa-dom.c (cprop_operand): Don't replace loop invaeriant
13339         copies with loop variant ones.
13340
13341 2005-01-22  Kazu Hirata  <kazu@cs.umass.edu>
13342
13343         * cfganal.c, real.h, reorg.c, timevar.def, tree-ssa-ccp.c,
13344         config/alpha/alpha-protos.h, config/alpha/alpha.h,
13345         config/alpha/alpha.md, config/alpha/predicates.md,
13346         config/sparc/freebsd.h, config/sparc/netbsd-elf.h,
13347         config/sparc/sol2.h: Update copyright.
13348
13349         * tree-cfg.c (remove_forwarder_block_with_phi): Look at the
13350         first label to see if it is a nonlocal label.
13351
13352 2005-01-22  David Edelsohn  <edelsohn@gnu.org>
13353             Andrew Pinski  <pinskia@physics.uc.edu>
13354
13355         PR target/19491
13356         * config/rs6000/rs6000.c (rs6000_va_start): Saturate n_gpr at
13357         maximum number of GPRs.  Saturate n_fpr at maximum number of FPRs.
13358
13359 2005-01-22  Ralf Corsepius  <ralf.corsepius@rtems.org>
13360
13361         * config/rs6000/rtems.h: Update copyright.
13362
13363 2005-01-22  Ralf Corsepius  <ralf.corsepius@rtems.org>
13364
13365         PR target/19548
13366         * config/rs6000/rtems.h: Resurrect cpp_os_rtems_spec from gcc < 3.4.
13367         (CPP_OS_RTEMS_SPEC): New (From gcc-3.3's config/rs6000/sys4.h).
13368         (SUBSUBTARGET_EXTRA_SPECS): Use CPP_OS_RTEMS_SPEC.
13369
13370 2005-01-22  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
13371
13372         PR c/18809
13373         * c-typeck.c (convert_arguments): Check for error_mark_node.
13374
13375 2005-01-21  Ian Lance Taylor  <ian@airs.com>
13376
13377         PR tree-optimization/13000
13378         * tree-inline.c: Include "tree-flow.h".
13379         (expand_call_inline): If warn_return_type, warn if non-void inline
13380         function falls through.
13381         * tree-cfg.c (execute_warn_function_return): Don't warn about
13382         control reaching end if TREE_NO_WARNING is set.  Set
13383         TREE_NO_WARNING.
13384         * gimple-low.c (block_may_fallthru): Don't assume that SWITCH_EXPR
13385         has been lowered.
13386         * gimplify.c (shortcut_cond_expr): Don't emit a jump over the else
13387         branch if we don't need one.
13388         * c-typeck.c: Include "tree-flow.h"
13389         (c_finish_bc_stmt): Don't add a goto if the current statement
13390         list doesn't fall through to the current point.
13391
13392 2005-01-21  Roger Sayle  <roger@eyesopen.com>
13393
13394         PR rtl-optimization/576
13395         * real.c (real_arithmetic): Change return type from void to bool
13396         to return an indication that the result may be inexact.
13397         * real.h (real_arithmeric): Update prototype.
13398         * fold-const.c (const_binop):  Don't constant fold floating
13399         point expressions when the user specifies -frounding-math and
13400         the result may depend upon the run-time rounding mode.
13401         (fold_convert_const_real_from_real): Clean-up.
13402         (fold_initializer): Ignore flag_rounding_math for initializers.
13403         * simplify-rtx.c (simplify_binary_operation): Likewise, don't
13404         constant fold FP operations with flag_rounding_math if the
13405         result may depend upon the run-time rounding mode.
13406
13407 2005-01-21  Tom Tromey  <tromey@redhat.com>
13408
13409         * c-cppbuiltin.c (define__GNUC__): Correct assertion.
13410
13411 2005-01-21  Kazu Hirata  <kazu@cs.umass.edu>
13412
13413         * tree-cfg.c: Fix comment typos.
13414
13415 2005-01-21  J"orn Rennecke <joern.rennecke@st.com>
13416
13417         * passes.c (rest_of_handle_flow2): Close / open the flow2 dump file
13418         around the call to rest_of_handle_branch_target_load_optimize.
13419
13420 2005-01-21  Eric Botcazou  <ebotcazou@libertysurf.fr>
13421
13422         * config.gcc (sparc-*-netbsdelf*): Include dbxelf.h
13423         (sparc64-*-openbsd*): Likewise.
13424         (sparclite-*-elf*): Include tm-dwarf2.h.
13425         (sparc86x-*-elf*): Likewise.
13426         (sparc64-*-elf*): Likewise.
13427         * config/sparc/linux64.h (DWARF2_DEBUGGING_INFO): Delete.
13428         (DBX_DEBUGGING_INFO): Likewise.
13429         * config/sparc/liteelf.h (DWARF2_DEBUGGING_INFO): Likewise.
13430         (PREFERRED_DEBUGGING_TYPE): Likewise.
13431         * config/sparc/netbsd-elf.h (PREFERRED_DEBUGGING_TYPE): Likewise.
13432         * config/sparc/sp64-elf.h (DBX_DEBUGGING_INFO): Likewise.
13433         (PREFERRED_DEBUGGING_TYPE): Likewise.
13434         * config/sparc/sp86x-elf.h (DWARF2_DEBUGGING_INFO): Likewise.
13435         (PREFERRED_DEBUGGING_TYPE): Likewise.
13436         * config/sparc/sparc.h (DBX_DEBUGGING_INFO): Likewise.
13437
13438 2005-01-21  Hans-Peter Nilsson  <hp@bitrange.com>
13439
13440         PR target/18701
13441         * combine.c (combine_simplify_rtx): Revert change of 2004-12-31.
13442
13443 2005-01-20  Paul Brook  <paul@codesourcery.com>
13444
13445         * doc/rtl.texi: Document value extension requirements for CONST_INT.
13446
13447 2005-01-20  Kazu Hirata  <kazu@cs.umass.edu>
13448
13449         * tree-cfg.c (tree_verify_flow_info): Check that a nonlocal
13450         label is first in a sequence of labels.
13451
13452         * tree-cfg.c (tree_verify_flow_info): Fix a typo.
13453
13454 2005-01-20  Janis Johnson  <janis187@us.ibm.com>
13455             Giovanni Bajo  <giovannibajo@gcc.gnu.org>
13456
13457         * doc/sourcebuild.texi (Test Directives): New.
13458
13459 2005-01-20  Roger Sayle  <roger@eyesopen.com>
13460
13461         * real.c (real_floor): Don't leave the result uninitialized when
13462         mode is VOIDMode, but return the unrounded intermediate value.
13463         (real_ceil): Likewise.
13464
13465 2005-01-20  Paul Brook  <paul@codesourcery.com>
13466
13467         * config/arm/arm.md (insv): Use gen_int_mode.
13468
13469 2005-01-20  Eric Botcazou  <ebotcazou@libertysurf.fr>
13470
13471         * config/sparc/freebsd.h (ASM_OUTPUT_INTERNAL_LABELREF): Delete.
13472         * config/sparc/linux.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
13473         * config/sparc/linux64.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
13474         * config/sparc/netbsd-elf.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
13475         * config/sparc/sol2.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
13476
13477 2005-01-20  Daniel Berlin  <dberlin@dberlin.org>
13478
13479         Fix PR debug/19124
13480         * dwarf2out.c (concat_loc_descriptor): We don't know we can use
13481         fbreg, so we have to assume we can't.
13482         (loc_descriptor_from_tree_1): Ditto.
13483         (containing_function_has_frame_base): New function.
13484         (add_location_or_const_value_attribute): Use it.
13485         Also try to generate a frame_base from a single element location
13486         list.
13487
13488 2005-01-20  Kazu Hirata  <kazu@cs.umass.edu>
13489
13490         PR tree-optimization/15349
13491         * timevar.def (TV_TREE_MERGE_PHI): New.
13492         * tree-cfg.c (tree_forwarder_block_p): Add a new argument
13493         PHI_WANTED.
13494         (remove_forwarder_block, cleanup_forwarder_blocks): Adjust the
13495         calls to tree_forwarder_block_p.
13496         (remove_forwarder_block_with_phi, merge_phi_nodes,
13497         gate_merge_phi, pass_merge_phi): New.
13498         * tree-optimize.c (init_tree_optimization_passes): Add
13499         pass_merge_phi.
13500         * tree-pass.h: Add an extern for pass_merge_phi;
13501
13502 2005-01-20  Richard Henderson  <rth@redhat.com>
13503
13504         PR target/19418
13505         * config/i386/emmintrin.h (_mm_castpd_ps, _mm_castpd_si128): New.
13506         (_mm_castps_pd, _mm_castps_si128): New.
13507         (_mm_castsi128_ps, _mm_castsi128_pd): New.
13508
13509 2005-01-20  Richard Henderson  <rth@redhat.com>
13510
13511         PR target/19530
13512         * config/i386/mmintrin.h (_mm_cvtsi32_si64): Use
13513         __builtin_ia32_vec_init_v2si.
13514         (_mm_cvtsi64_si32): Use __builtin_ia32_vec_ext_v2si.
13515         * config/i386/i386.c (IX86_BUILTIN_VEC_EXT_V2SI): New.
13516         (ix86_init_mmx_sse_builtins): Create it.
13517         (ix86_expand_builtin): Expand it.
13518         (ix86_expand_vector_set): Handle V2SFmode and V2SImode.
13519         * config/i386/mmx.md (vec_extractv2sf_0, vec_extractv2sf_1): New.
13520         (vec_extractv2si_0, vec_extractv2si_1): New.
13521
13522 2005-01-20  Richard Henderson  <rth@redhat.com>
13523
13524         PR target/16533
13525         * config/i386/i386.c (ix86_expand_push): New.
13526         * config/i386/mmx.md (push<MMXMODE>1): New.
13527         * config/i386/sse.md (push<SSEMODE>1): New.
13528         * config/i386/i386-protos.h: Update.
13529
13530 2005-01-20  Kazu Hirata  <kazu@cs.umass.edu>
13531
13532         * params.def, params.h, predict.c, tree-ssa-loop-im.c: Update
13533         copyright.
13534
13535 2005-01-20  Richard Henderson  <rth@redhat.com>
13536
13537         * rtl.def (CONST_VECTOR): Use RTX_CONST_OBJ.
13538         * rtl.h (CONSTANT_P): Don't special case CONST_VECTOR.
13539
13540 2005-01-19  Richard Henderson  <rth@redhat.com>
13541
13542         PR target/19350
13543         * config/i386/i386.c (ix86_expand_vector_move_misalign): Convert
13544         to V4SFmode in SSE1 fallback load path.
13545
13546 2005-01-19  Richard Henderson  <rth@redhat.com>
13547
13548         * config/i386/i386.c (ix86_expand_vector_init_one_var): Fix typo
13549         in QImode expansion to ix86_expand_vector_set.
13550         (ix86_expand_vector_init_general): Fix typo in V8HImode recursive call.
13551
13552 2005-01-19  Richard Henderson  <rth@redhat.com>
13553
13554         PR target/19511
13555         * config/i386/i386.c (ix86_preferred_reload_class): Return a proper
13556         subclass of the input class.
13557         (ix86_secondary_memory_needed): Always true for cross-MMX classes.
13558         Always true for cross-SSE1 classes.  Rationalize conditionals.
13559         * config/i386/i386.h (SSE_CLASS_P, MMX_CLASS_P): Use straight equality.
13560         * config/i386/i386.md (movsi_1): Add MMX/SSE zeros.  Fix alternatives
13561         for SSE1.  Don't check TARGET_INTER_UNIT_MOVES.
13562         (movdi_2): Add MMX/SSE zeros.
13563         (movdi_1_rex64): Likewise.  Don't check TARGET_INTER_UNIT_MOVES.
13564         (movsf_1): Don't check TARGET_INTER_UNIT_MOVES.
13565         (zero_extendsidi2_32, zero_extendsidi2_rex64): Likewise.
13566         (movsi_1_nointernunit, movdi_1_rex64_nointerunit): Remove.
13567         (movsf_1_nointerunit, zero_extendsidi2_32_1): Remove.
13568         (zero_extendsidi2_rex64_1): Remove.
13569         (MOV0 peephole): Check GENERAL_REG_P.
13570
13571 2005-01-19  Richard Henderson  <rth@redhat.com>
13572
13573         PR target/19427
13574         * config/i386/i386.c (ix86_expand_vector_set): Fix third and fourth
13575         shufps elements.
13576         (ix86_expand_vector_extract): Likewise.
13577
13578 2005-01-19  Richard Henderson  <rth@redhat.com>
13579
13580         PR middle-end/19304
13581         * expr.c (emit_move_change_mode): New argument force; use
13582         simplify_gen_subreg if true.
13583         (emit_move_via_alt_mode): Merge into ...
13584         (emit_move_via_integer): ... here.
13585         (emit_move_ccmode): Use emit_move_change_mode directly.
13586
13587 2005-01-19  Richard Henderson  <rth@redhat.com>
13588
13589         PR target/19518
13590         * config/alpha/alpha.c (alpha_rtx_costs): Handle HIGH.
13591         (alpha_preferred_reload_class): Handle CONST_VECTOR.
13592         (alpha_emit_set_const_1): Add no_output parameter; don't emit
13593         rtl if true.
13594         (alpha_emit_set_const): Likewise.  Make static.
13595         (alpha_emit_set_long_const): Make static.
13596         (alpha_extract_integer): Split out from alpha_expand_mov.
13597         (alpha_split_const_mov): Likewise.
13598         (alpha_expand_mov): Use them.  Handle CONST_VECTOR.
13599         (alpha_legitimate_constant_p): New.
13600         * config/alpha/alpha-protos.h: Update.
13601         * config/alpha/alpha.h (REGISTER_MOVE_COST): Correct fp<->gp cost.
13602         (LEGITIMATE_CONSTANT_P): Re-implement with a function.
13603         * config/alpha/alpha.md (movsi): Add n alternative.
13604         (movsi_nt_vms, movdi_er_nofix, movdi_er_fix, movdi_fix): Likewise.
13605         (mov<VEC>_fix, mov<VEC>_nofix): Add i alternative.
13606         (splitters for all of the above): Use alpha_split_const_mov.
13607         * config/alpha/predicates.md (non_add_const_operand): New.
13608         (non_zero_const_operand): New.
13609         (input_operand): Use alpha_legitimate_constant_p after reload.
13610
13611 2005-01-19  Zdenek Dvorak  <dvorakz@suse.cz>
13612
13613         PR tree-optimization/19038
13614         * tree-ssa-loop-ivopts.c (allow_ip_end_pos_p): New function.
13615         (add_candidate): Add ivs with increment in latch only if
13616         allow_ip_end_pos_p is true.
13617         (determine_iv_cost): Use empty_block_p.
13618
13619 2005-01-19  Daniel Berlin  <dberlin@dberlin.org>
13620
13621         * cfganal.c (compute_dominance_frontiers_1): Replace with new algorithm
13622         (compute_dominance_frontiers): Ditto.
13623
13624 2005-01-19  Ralf Corsepius  <ralf.corsepius@rtems.org>
13625
13626         PR target/19529
13627         * config/sh/t-rtems: New.
13628         * config.gcc (sh-*-rtems*): Reflect having added config/sh/t-rtems.
13629
13630 2005-01-19  Zdenek Dvorak  <dvorakz@suse.cz>
13631
13632         * tree-ssa-ccp.c (maybe_fold_offset_to_component_ref): Always subtract
13633         the offset of the selected field.
13634
13635 2005-01-19  Kazu Hirata  <kazu@cs.umass.edu>
13636
13637         * tree-cfg.c (remove_forwarder_block): Fix the check to
13638         prevent a nonlocal label from appearing in the middle of a
13639         basic block.
13640
13641 2005-01-19  Hans-Peter Nilsson  <hp@axis.com>
13642
13643         PR rtl-optimization/19462
13644         * reorg.c (find_end_label): Create return insn only if
13645         current_function_epilogue_delay_list is empty.
13646
13647 2005-01-19  Paolo Bonzini  <bonzini@gnu.org>
13648
13649         * doc/passes.texi: Remove paragraph mentioning new-ra.
13650
13651 2005-01-19  Jakub Jelinek  <jakub@redhat.com>
13652
13653         PR rtl-optimization/15139
13654         * combine.c: Include params.h.
13655         (count_rtxs): New function.
13656         (record_value_for_reg): If replace_rtx would replace at least
13657         2 occurrences of REG in VALUE and TEM is really large, replace REG with
13658         (clobber (const_int 0)) instead of TEM.
13659         * params.def (PARAM_MAX_LAST_VALUE_RTL): New.
13660         * params.h (MAX_LAST_VALUE_RTL): New.
13661         * Makefile.in (combine.o): Depend on $(PARAMS_H).
13662         * doc/invoke.texi (--param max-last-value-rtl=N): Document.
13663
13664         PR c/17297
13665         * c-typeck.c (digest_init): Only call build_vector if all constructor
13666         elements are *_CST nodes.
13667         * gimplify.c (gimplify_init_constructor): Likewise.
13668
13669         PR middle-end/19164
13670         * c-typeck.c (digest_init): Only call build_vector if inside_init
13671         is a CONSTRUCTOR.
13672
13673 2005-01-18  Tobias Schl"uter  <tobias.schlueter@physik.uni-muenchen.de>
13674
13675         * toplev.c (init_asm_output): Remove dead #ifdef.
13676
13677 2005-01-18  Kaz Kojima  <kkojima@gcc.gnu.org>
13678
13679         * config/sh/linux.h (TARGET_C99_FUNCTIONS): Define.
13680
13681 2005-01-18  Eric Botcazou  <ebotcazou@libertysurf.fr>
13682
13683         * calls.c (expand_call): Check DECL_BUILT_IN_CLASS before
13684         accessing DECL_FUNCTION_CODE.
13685         * dojump.c (do_jump): Likewise.
13686         * gimplify.c (gimplify_call_expr): Likewise.
13687         * predict.c (expr_expected_value): Likewise.
13688         (strip_builtin_expect): Likewise.
13689         * tree-inline.c (estimate_num_insns_1): Likewise.
13690         * tree-ssa-loop-im.c (stmt_cost): Likewise
13691         * fold-const.c (fold): Test for BUILT_IN_NORMAL.
13692         (tree_expr_nonnegative_p): Likewise.
13693
13694 2005-01-18  Eric Botcazou  <ebotcazou@libertysurf.fr>
13695
13696         * config/sparc/sparc.c (load_pic_register): Emit the appropriate
13697         variant of the load_pcrel_sym pattern.
13698         * config/sparc/sparc.md (P macro): Move to the top.
13699         (load_pcrel_sym): Macroize using P.
13700         (save_register_window): Likewise.
13701
13702 2005-01-18  Aldy Hernandez  <aldyh@redhat.com>
13703
13704         * config/rs6000/rs6000.md ("sunordered"): Disable for e500.
13705         ("sordered"): Same.
13706
13707 2005-01-18  Andrew Pinski  <pinskia@physics.uc.edu>
13708
13709         PR C/19472
13710         * c-typeck.c (build_asm_expr): Strip nops off
13711         input memory operands.
13712
13713 2005-01-18  David Edelsohn  <edelsohn@gnu.org>
13714
13715         * config/rs6000/aix43.h (CPLUSPLUS_CPP_SPEC): Delete
13716         _XOPEN_SOURCE, _XOPEN_SOURCE_EXTENDED, _LARGE_FILE_API.
13717         * config/rs6000/aix51.h (CPLUSPLUS_CPP_SPEC): Same.
13718         * config/rs6000/aix52.h (CPLUSPLUS_CPP_SPEC): Same.
13719
13720 2005-01-18  Joel Sherrill <joel.sherrill@oarcorp.com>
13721
13722         PR target/19379
13723         * config/i386/i386.c (override_options): If the 80387 is disabled,
13724         then do not return FP values using FP registers.
13725
13726 2005-01-18  Kazu Hirata  <kazu@cs.umass.edu>
13727
13728         * basic-block.h, c-common.c, c-cppbuiltin.c, c-lang.c,
13729         c-tree.h, cfgbuild.c, cgraph.c, cgraph.h, collect2.c,
13730         combine.c, config.gcc, coverage.h, cse.c, cselib.c,
13731         defaults.h, df.c, dwarf2asm.c, dwarf2out.c, explow.c, expr.c,
13732         flow.c, fold-const.c, gcse.c, ggc-page.c, gimple-low.c,
13733         gimplify.c, ifcvt.c, langhooks-def.h, lcm.c, optabs.h,
13734         output.h, postreload-gcse.c, postreload.c, recog.c,
13735         resource.c, rtl.def, rtlanal.c, sched-deps.c, sched-rgn.c,
13736         targhooks.h, toplev.c, tree-data-ref.c, tree-eh.c,
13737         tree-flow.h, tree-loop-linear.c, tree-mudflap.h, tree-nrv.c,
13738         tree-optimize.c, tree-outof-ssa.c, tree-pass.h,
13739         tree-scalar-evolution.c, tree-ssa-copy.c, tree-ssa-dce.c,
13740         tree-ssa-dse.c, tree-ssa-loop-ivopts.c, tree-ssa-operands.c,
13741         tree-ssa-pre.c, tree-ssa.c, tree-vectorizer.c, tree.def,
13742         unwind-dw2-fde-darwin.c, var-tracking.c: Update copyright.
13743
13744         * config/darwin.c, config/darwin.h, config/freebsd-spec.h,
13745         config/alpha/alpha.c, config/arm/vfp.md,
13746         config/i386/emmintrin.h, config/i386/i386-modes.def,
13747         config/i386/i386-protos.h, config/i386/i386.h,
13748         config/i386/pmmintrin.h, config/i386/ppro.md,
13749         config/i386/predicates.md, config/i386/xmmintrin.h,
13750         config/i860/i860.c, config/ia64/ia64-modes.def,
13751         config/ia64/ia64-protos.h, config/ia64/ia64.h,
13752         config/ia64/ia64.md, config/ia64/itanium1.md,
13753         config/ia64/itanium2.md, config/ia64/predicates.md,
13754         config/iq2000/iq2000.h, config/mips/linux64.h,
13755         config/rs6000/aix41.h, config/rs6000/aix43.h,
13756         config/rs6000/aix52.h, config/rs6000/darwin-fallback.c,
13757         config/rs6000/rs6000.c, config/rs6000/rs6000.h,
13758         config/rs6000/spe.md, config/sh/sh.md, config/sparc/linux.h,
13759         config/sparc/linux64.h, config/sparc/litecoff.h,
13760         config/sparc/sp64-elf.h, config/sparc/sparc.c,
13761         config/sparc/sparc.h, config/sparc/sparc.md,
13762         config/sparc/sysv4-only.h: Update copyright.
13763
13764 2005-01-18  Richard Henderson  <rth@redhat.com>
13765
13766         PR target/19496
13767         * config/i386/i386.c (ix86_expand_fp_movcc): Fail for LTGT and UNEQ.
13768
13769 2005-01-18  Marc Espie  <espie@openbsd.org>
13770         * config/i386/openbsdelf.h: Typo.
13771
13772 2005-01-18  Richard Henderson  <rth@redhat.com>
13773
13774         * config/i386/i386.c (ix86_expand_fp_movcc): Remove TARGET_IEEE_FP
13775         special case for sse.
13776         * config/i386/predicates.md (sse_comparison_operator): Likewise.
13777
13778 2005-01-18  Dorit Naishlos  <dorit@il.ibm.com>
13779
13780         * tree-inline.c (estimate_num_insns_1): Added cases for
13781         ALIGN_INDIRECT_REF, MISALIGNED_INDIRECT_REF, and REALIGN_LOAD_EXPR.
13782
13783 2005-01-18  Eric Botcazou  <ebotcazou@libertysurf.fr>
13784
13785         PR rtl-optimization/19296
13786         * combine.c (simplify_comparison): Rewrite the condition under
13787         which a non-paradoxical SUBREG of a PLUS can be lifted when
13788         compared against a constant.
13789
13790 2005-01-18  Andi Kleen <ak@muc.de>
13791
13792         * c-typeck.c: (convert_for_assignment): Check warn_pointer_sign.
13793         * c.opt (-Wpointer-sign): Add.
13794         * doc/invoke.texi: (-Wpointer-sign): Add.
13795
13796 2005-01-18  Uros Bizjak  <uros@kss-loka.si>
13797
13798         * config/i386/i386.c (override_options): Revert 2004-11-24 change.
13799         * config/i386/i386.md (fmodsf3, dremsf3, *sinsf2, *cossf2, sincossf3,
13800         *tansf3_1, tansf2, atan2sf3_1, atan2sf3, atansf2, asinsf2, acossf2,
13801         logsf2, log10sf2, log2sf2, log1psf2, logbsf2, ilogbsf2, expsf2,
13802         exp10sf2, exp2sf2, expm1sf2, rintsf2, floorsf2, ceilsf2, btruncsf2,
13803         nearbyintsf2): Disable for TARGET_SSE_MATH.  Leave patterns enabled
13804         for TARGET_MIX_SSE_I387.
13805         (fmoddf3, dremdf3, *sindf2, *sinextendsfdf2, *cosdf2, *cosextendsfdf2,
13806         sincosdf3, *sincosextendsfdf3, *tandf3_1, tandf2, atan2df3_1,
13807         atan2df3, atandf2, asindf2, acosdf2, logdf2, log10df2, log2df2,
13808         log1pdf2, logbdf2, expdf2, exp10df2, exp2df2, expm1df2, rintdf2,
13809         floordf2, ceildf2, btruncdf2, nearbyintdf2): Disable for
13810         (TARGET_SSE2 && TARGET_SSE_MATH).  Leave patterns enabled for
13811         TARGET_MIX_SSE_I387.
13812         (atan2sf3, atan2df3, atan2xf3): Remove register constraints
13813         from expander.
13814
13815 2005-01-18  Uros Bizjak  <uros@kss-loka.si>
13816
13817         PR target/19424
13818         * config/i386/mmx.md (*movv2sf_internal_rex64, *movv2sf_internal):
13819         Add movaps alternative for xmm reg->reg move.
13820
13821 2005-01-17  Jeff Law  <law@redhat.com>
13822
13823         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Clear SSA_NAME_VALUE
13824         at the end of the main DOM loop rather than just before DOM exits.
13825
13826 2005-01-17  Diego Novillo  <dnovillo@redhat.com>
13827
13828         PR tree-optimization/19121
13829         * tree-ssa-alias.c (compute_flow_sensitive_aliasing): When
13830         adding aliases to a name tag, also add them to the pointer's
13831         type tag.
13832         * tree-ssa-copy.c (merge_alias_info): Do not merge flow
13833         sensitive alias info at all.  Only check that the two pointers
13834         have compatible pointed-to sets.
13835         * tree-ssa.c (verify_name_tags): Verify that the alias set of
13836         a pointer's type tag is a superset of the alias set of the
13837         pointer's name tag.
13838
13839 2005-01-17  James E Wilson  <wilson@specifixinc.com>
13840
13841         PR target/19357
13842         * config/ia64/ia64.md (movxf): Handle general register source.  Adjust
13843         comment to document why.
13844
13845 2005-01-17  Richard Henderson  <rth@redhat.com>
13846
13847         * config/i386/sse.md (smaxv4sf3_finite, sse_vmsmaxv4sf3_finite,
13848         sminv4sf3_finite, sse_vmsminv4sf3_finite, smaxv2df3_finite,
13849         sse2_vmsmaxv2df3_finite, sminv2df3_finite,
13850         sse2_vmsminv2df3_finite): New.
13851         (smaxv4sf3, sse_vmsmaxv4sf3, sminv4sf3, sse_vmsminv4sf3, smaxv2df3,
13852         sse2_vmsmaxv2df3, sminv2df3, sse2_vmsminv2df3): Remove commutative.
13853         Force op1 into register.
13854
13855 2005-01-17  Kelley Cook  <kcook@gcc.gnu.org>
13856
13857         * Makefile.in (STAGEMOVESTUFF): Stage all the stamp files to prevent
13858         bubblestrap from always rebuilding build directory.
13859
13860 2005-01-17  Ulrich Weigand  <uweigand@de.ibm.com>
13861
13862         * config/s390/s390.md ("*clc"): Remove incorrect '='.
13863         ("*cmpmem_short"): Likewise.
13864
13865 2005-01-17  Steven Bosscher  <stevenb@suse.de>
13866
13867         * basic-block.h: Document BB_* flags.
13868         * regrename.c (copyprop_hardreg_forward): Don't use BB_VISITED,
13869         use an sbitmap instead.
13870         * sched-rgn.c (compute_trg_info): Likewise.
13871
13872 2005-01-17  Richard Sandiford  <rsandifo@redhat.com>
13873
13874         * config.gcc (mips64*-*-linux*): Set the default abi to n32.  Remove
13875         redundant target_cpu_default and extra_parts lines.  Use the default
13876         "from-abi" ISA.
13877         * config/mips/linux64.h (DRIVER_DEFAULT_ABI_SELF_SPEC): Delete.
13878         (SUBTARGET_EXTRA_SPECS): Delete.
13879         (DRIVER_SELF_SPECS): Remove architecture lines.  Set the ABI directly.
13880         (SUBTARGET_ASM_SPEC): Remove -mabi=n32 and -mabi=64 mappings.
13881         * config/mips/t-linux64 (MULTILIB_DIRNAMES): Use "32" for -mabi=32
13882         and "n32" for -mabi=n32.
13883
13884 2005-01-17  Ian Lance Taylor  <ian@airs.com>
13885
13886         PR c/5675
13887         * c-typeck.c (build_c_cast): Revert patch of 2003-02-16: don't
13888         fold constant variables into initial values.
13889
13890 2005-01-17  Kazu Hirata  <kazu@cs.umass.edu>
13891
13892         * tree-cfg.c (tree_can_merge_blocks_p): Reorder two checks.
13893
13894         * tree-cfg.c (tree_forwarder_block_p): Speed up by walking
13895         through the statements backward.
13896
13897 2005-01-17  Ian Lance Taylor  <ian@airs.com>
13898
13899         PR middle-end/13127:
13900         * tree-inline.c (expand_call_inline): Set TREE_NO_WARNING on
13901         a variable set to the return value of the inlined function.
13902
13903 2005-01-17  Mark Dettinger  <dettinge@de.ibm.com>
13904
13905         * rtlanal.c (rtx_cost): Assign cost of 0 to a SUBREG
13906         when modes are tieable.
13907
13908 2005-01-17  Ranjit Mathew  <rmathew@hotmail.com>
13909
13910         * gthr-posix.h (__gthread_active_p): Use pthread_cancel instead
13911         of pthread_create to find out if threads are enabled.
13912         * gthr-posix95.h (__gthread_active_p): Likewise.
13913
13914 2005-01-17  Paolo Bonzini  <bonzini@gnu.org>
13915
13916         * common.opt (-fnew-ra): Remove.
13917         * ra*.*: Remove.
13918         * toplev.h (flag_new_regalloc): Remove.
13919         * Makefile.in (ra*.*): Don't mention.
13920         * passes.c (rest_of_handle_new_regalloc): Remove.
13921         (rest_of_handle_combine, rest_of_compilation): Always consider
13922         flag_new_regalloc as false.
13923         * doc/invoke.texi: Don't document -fnew-ra.
13924
13925 2005-01-17  Paolo Bonzini <bonzini@gnu.org>
13926
13927         * bb-reorder.c (fix_edges_for_rarely_executed_code): Remove
13928         last parameter to reg_scan.
13929         * loop.c (loop_optimize): Likewise.
13930         * passes.c (rest_of_handle_tracer, rest_of_handle_if_conversion,
13931         rest_of_handle_web, rest_of_handle_cfg, rest_of_handle_jump_bypass,
13932         rest_of_handle_life, rest_of_handle_cse, rest_of_handle_cse2,
13933         rest_of_handle_gcse, rest_of_handle_loop_optimize,
13934         rest_of_handle_loop2, rest_of_handle_jump2): Likewise.
13935         * regclass.c (reg_scan): Likewise, for the declaration.
13936         * rtl.h (reg_scan): Likewise, for the prototype.
13937
13938 2005-01-17  Kazu Hirata  <kazu@cs.umass.edu>
13939
13940         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Don't call
13941         mark_dfs_back_edges.
13942
13943 2005-01-16  Daniel Berlin  <dberlin@dberlin.org>
13944
13945         * tree-ssa-pre.c (add_to_sets): s1 may be NULL.
13946         (compute_avail): Uses don't go in tmp_gen.
13947
13948 2005-01-16  Steven Bosscher  <stevenb@suse.de>
13949
13950         * ggc-page.c (ggc_alloc_stat): Use __builtin_ctzl instead of a
13951         loop to look for a free slot in a page entry.
13952
13953 2005-01-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
13954
13955         PR target/16304
13956         * defaults.h (TARGET_DEFERRED_OUTPUT_DEFS): Provide default.
13957         * toplev.c (compile_file): Call process_pending_assemble_output_defs
13958         just before targetm.asm_out.file_end.
13959         * tree.h (process_pending_assemble_output_defs): Declare.
13960         * varasm.c (assemble_output_def, process_pending_assemble_output_defs):
13961         New functions.
13962         (assemble_alias): Defer generation of assembly code for defines when
13963         TARGET_DEFERRED_OUTPUT_DEFS is true.
13964         * config/rs6000/aix41.h (TARGET_DEFERRED_OUTPUT_DEFS): Define.
13965         * config/rs6000/aix43.h (TARGET_DEFERRED_OUTPUT_DEFS): Define.
13966         * doc/tm.texi (TARGET_DEFERRED_OUTPUT_DEFS): document.
13967
13968 2005-01-15  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
13969
13970         PR target/19336
13971         * pa.c (pa_scalar_mode_supported_p): New function.
13972         (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
13973         * pa.h (MIN_UNITS_PER_WORD): Add comment.
13974
13975         * pa-protos.h (prefetch_operand): Delete.
13976         (prefetch_cc_operand, prefetch_nocc_operand): New declations.
13977         * pa.c (prefetch_operand): Delete.
13978         (prefetch_cc_operand, prefetch_nocc_operand): New functions.
13979         * pa.h (EXTRA_CONSTRAINT): Add `W' constraint.
13980         (PREDICATE_CODES): Delete prefetch_operand.  Add prefetch_cc_operand
13981         and prefetch_nocc_operand.
13982         * pa.md (prefetch): Rework to avoid reload problems handling short
13983         displacements when a cache control completer needs to be provided.
13984         (prefetch_32, prefetch_64): Delete.
13985         (prefetch_cc, prefetch_nocc): New patterns.
13986
13987 2005-01-15  David Edelsohn  <edelsohn@gnu.org>
13988
13989         * config/rs6000/aix52.h (CPLUSPLUS_CPP_SPEC): Revert previous change.
13990
13991 2005-01-15  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
13992
13993         PR ada/19388
13994         * pa.c (pa_asm_output_aligned_common): Warn if specified alignment
13995         exceeds maximum alignment for global common data.
13996         * pa64-hpux.h (MAX_OFILE_ALIGNMENT): Define to 32768.
13997         * som.h (MAX_OFILE_ALIGNMENT): Likewise.
13998
13999 2004-01-15  Roger Sayle  <roger@eyesopen.com>
14000
14001         * tree-ssa-dom.c (extract_range_from_cond): Correct condition.
14002
14003 2004-01-15  Roger Sayle  <roger@eyesopen.com>
14004
14005         * harg-reg-set.h (reg_class_names): Prototype global array.
14006         * regclass.c (reg_class_names): Declare here and initialize to
14007         REG_CLASS_NAMES.
14008         (dump_regclass): Remove local declaration of reg_class_names.
14009         (regclass): Likewise.
14010         * cfg.c (dump_flow_info): Likewise.
14011         * ra-debug.c (reg_class_names): Likewise.
14012         * regrename.c (reg_class_names): Likewise.
14013         * reload.c (reg_class_names): Likewise.
14014         * reload1.c (spill_failure): Likewise.
14015         * config/m68hc11/m68hc11.c (reg_class_names): Likewise.
14016
14017 2005-01-15  Ulrich Weigand  <uweigand@de.ibm.com>
14018
14019         * config/s390/s390.md ("reload_outti"): Remove predicate for
14020         output operand.  Abort if operand is not a MEM.
14021         ("reload_outdi", "reload_outdf"): Likewise.
14022
14023 2005-01-15  Marc Espie  <espie@openbsd.org>
14024
14025         * config.gcc (*-*-openbsd*): Set HAS_LIBC_R for OpenBSD <= 3.2.
14026         (i[34567]86-*-openbsd*): Switch to ELF for OpenBSD >= 3.4.
14027         * config/openbsd.h:  Fix C++ includes for native configurations.
14028         Add proper OS_CPP_BUILTINS.  Fix libspec for recent OpenBSD.
14029         Add trampoline support.
14030         * config/i386/openbsdelf.h: New.
14031
14032 2005-01-15  Marc Espie  <espie@openbsd.org>
14033
14034         * collect2.c (main): Explicitly parse -dynamic-linker option.
14035
14036 2005-01-15  Jakub Jelinek  <jakub@redhat.com>
14037
14038         PR tree-optimization/19060
14039         * tree-ssa-dom.c (extract_range_from_cond) <case LT_EXPR, GT_EXPR>:
14040         Return 0 if op1 <= TYPE_MIN_VALUE () resp. op1 >= TYPE_MAX_VALUE ().
14041         (simplify_cond_and_lookup_avail_expr): Add assert for dummy == 0
14042         and handle extract_range_from_cond returning false.
14043         * fold-const.c (fold): Optimize comparisons with min/max even for
14044         width > HOST_BITS_PER_WIDE_INT.
14045
14046 2005-01-15  Ralf Corsepius  <ralf.corsepius@rtems.org>
14047
14048         * config/mips/rtems.h (MIPS_DEFAULT_GVALUE): Set to 0.
14049         * config/mips/t-rtems (MULTILIBS_DIRNAMES,MULTILIB_OPTIONS):
14050         Remove little endian multilib variants.
14051         Add mips32 multilib variant.
14052
14053 2005-01-15  Kazu Hirata  <kazu@cs.umass.edu>
14054
14055         * explow.c (copy_all_reg, stabilize): Remove.
14056         * expr.h: Remove the corresponding prototypes.
14057
14058         * rtlanal.c (regs_set_between_p): Remove.
14059         * rtl.h: Remove the corresponding prototype.
14060
14061 2005-01-14  David Edelsohn  <edelsohn@gnu.org>
14062
14063         * config/rs6000/rs6000.c (rs6k_nonimmediate_operand): Rename
14064         to rs6000_nonimmediate_operand.
14065         * config/rs6000/rs6000.h (PREDICATE_CODES): Rename
14066         rs6k_nonimmediate_operand to rs6000_nonimmediate_operand.
14067         * config/rs6000/rs6000.md (movsi_internal1): Rename predicate to
14068         rs6000_nonimmediate_operand.
14069         * config/rs6000/spe.md (movdf_e500_double): Rename predicate to
14070         rs6000_nonimmediate_operand.
14071
14072 2005-01-14  Andrew Pinski  <pinskia@physics.uc.edu>
14073
14074         * tree-ssa-alias.c (pass_may_alias): Add TODO_verify_stmts.
14075
14076 2005-01-14  Aldy Hernandez  <aldyh@redhat.com>
14077
14078         * config/rs6000/rs6000.h (CLASS_MAX_NREGS): DF goes in 1 register
14079         on e500v2.
14080         (CANNOT_CHANGE_MODE_CLASS): Restrict DI mode changes on e500v2.
14081         (PREDICATE_CODES): Add rs6k_nonimmediate_operand.
14082
14083         * config/rs6000/rs6000.c (invalid_e500_subreg): New.
14084         (rs6k_nonimmediate_operand): New.
14085         (rs6000_legitimate_offset_address_p): Handle DI modes on e500v2
14086         correctly.
14087         (legitimate_lo_sum_address_p): Same.
14088         (rs6000_legitimize_address): Same.
14089         (rs6000_legitimize_reload_address): Same.
14090         (rs6000_legitimate_address): Same.
14091         (spe_build_register_parallel): Pass DF and DC modes in a DI
14092         register.
14093
14094         * config/rs6000/rs6000.md ("*movsi_internal1"): Change predicate
14095         to rs6k_nonimmediate_operand.
14096
14097         * config/rs6000/spe.md ("*frob_df_di"): New.
14098         ("*frob_di_df"): New.
14099         ("*frob_di_df_2"): New.
14100         ("*mov_sidf_e500_subreg0"): New.
14101         ("*mov_sidf_e500_subreg4"): New.
14102         ("*movdf_e500_double"): Change predicate to
14103         rs6k_nonimmediate_operand.
14104
14105 2005-01-14  Aldy Hernandez  <aldyh@redhat.com>
14106
14107         * postreload.c (move2add_note_store): Only call
14108         trunc_int_for_mode on scalar integers.
14109
14110 2005-01-14  Steven Bosscher  <stevenb@suse.de>
14111
14112         * tree-ssa-dce.c (visited_control_parents): New sbitmap to
14113         replace BB_VISITED uses.
14114         (find_obviously_necessary_stmts): Don't clear BB_VISITED.
14115         (propagate_necessity): Check the bitmap instead of BB_VISITED.
14116         (tree_dce_done): Free visited_control_parents.
14117         (perform_tree_ssa_dce): Allocate and clear it.
14118         * tree-ssa-pre.c (compute_antic_aux): Make non-recursive.
14119         (compute_antic): Iterate from here using a DFS.  Use an sbitmap
14120         instead of BB_VISITED.
14121
14122 2005-01-14  Kazu Hirata  <kazu@cs.umass.edu>
14123
14124         * c-tree.h, coverage.h, langhooks-def.h, optabs.h, output.h,
14125         rtl.h, targhooks.h, tree-flow.h, tree-mudflap.h, tree.h:
14126         Remove unused prototypes.
14127
14128 2005-01-14  Aldy Hernandez  <aldyh@redhat.com>
14129
14130         * config/rs6000/rs6000.c (rs6000_stack_info): Fix caching of SPE
14131         64-bit register usage.
14132         (spe_func_has_64bit_regs_p): Add FIXME note.
14133
14134 2005-01-14  Aldy Hernandez  <aldyh@redhat.com>
14135
14136         * config/rs6000/rs6000.c (rs6000_generate_compare): Replace
14137         flag_finite_math_only with flag_unsafe_math_optimizations.
14138
14139 2005-01-14  J. D. Johnston  <jjohnst@us.ibm.com>
14140
14141         * config/s390/tpf-unwind.h (s390_fallback_frame_state): Correct
14142         end-of-stack check.
14143         (__tpf_eh_return): Copy TPF private stack area from the module
14144         boundary stack frame.  Add check for when module addresses are
14145         equal, but no stub address is found.
14146
14147 2005-01-14  Richard Earnshaw  <rearnsha@arm.com>
14148
14149         PR target/7525
14150         * arm.h (struct machine_function): Add call_via field.
14151         (thumb_call_via_label): Declare.
14152         * arm.c (thumb_call_via_label): New variable.
14153         (thumb_call_reg_needed): New variable.
14154         (arm_output_function_epilogue): For Thumb code, output any per-function
14155         call-indirect trampolines.
14156         (thumb_call_via_reg): New function.
14157         (arm_file_end): New function.
14158         (TARGET_ASM_FILE_END): Call arm_file_end.
14159         (aof_file_end): Likewise.
14160         * arm-protos.h (thumb_call_via_reg): Declare.
14161         * arm.md (call_reg_thumb, call_value_reg_thumb): Call
14162         thumb_call_via_reg in normal case.
14163
14164 2005-01-14  Jakub Jelinek  <jakub@redhat.com>
14165
14166         PR middle-end/19084
14167         PR rtl-optimization/19348
14168         * recog.c (peephole2_optimize): Do global life update if some peephole
14169         decides it doesn't need at least one of its inputs and that change
14170         influences liveness at the start of the basic block.
14171
14172         * basic-block.h (EXECUTE_IF_AND_COMPL_IN_REG_SET): Needs 2 REGSET
14173         arguments instead of 1.
14174
14175 2005-01-14  Eric Botcazou  <ebotcazou@libertysurf.fr>
14176
14177         PR middle-end/18820
14178         * varasm.c (initializer_constant_valid_p) <ADDR_EXPR>: Return
14179         zero for nested functions needing a static chain or functions
14180         with a non-constant address.
14181
14182 2005-01-13  Roger Sayle  <roger@eyesopen.com>
14183
14184         * simplify-rtx.c (simplify_binary_operation) <AND>: Optimize
14185         (and (sign_extend X) C) into (zero_extend (and X C)).
14186
14187 2005-01-13  David O'Brien  <obrien@FreeBSD.org>
14188
14189         * config/freebsd-spec.h:  Make KSE pthread lib logic the default.
14190
14191 2005-01-13  Richard Henderson  <rth@redhat.com>
14192
14193         PR target/19009
14194         PR target/19250
14195         PR target/19252
14196         * config/i386/i386.md (cmpdf, cmpsf, bunordered, bordered, buneq,
14197         bunge, bungt, bunle, bunlt, bltgt): Enable for TARGET_SSE_MATH,
14198         not just TARGET_SSE.
14199         (cmpfp_i_387): Rename from cmpfp_i.  Move after sse patterns.
14200         (cmpfp_i_mixed): Rename from cmpfp_i_sse; use for TARGET_MIX_SSE_I387.
14201         (cmpfp_i_sse): Rename from cmpfp_i_sse_only; use for TARGET_SSE_MATH.
14202         (cmpfp_iu_mixed, cmpfp_iu_sse, cmpfp_iu_387): Similarly.
14203         (fp_jcc_1_mixed, fp_jcc_1_sse, fp_jcc_1_387): Similarly.
14204         (fp_jcc_2_mixed, fp_jcc_2_sse, fp_jcc_2_387): Similarly.
14205         (fp_jcc_3_387, fp_jcc_4_387, fp_jcc_5_387, fp_jcc_6_387,
14206         fp_jcc_7_387, fp_jcc_8_387): Rename from fp_jcc_N.
14207         (movdicc_c_rex64): Rename with '*'.
14208         (movsfcc, movdfcc): Add checks for 387 and sse math to condition.
14209         (movsfcc_1_sse_min, movsfcc_1_sse_max, movsfcc_1_sse): New.
14210         (movsfcc_1_387): Rename from movsfcc_1.
14211         (movdfcc_1_sse_min, movdfcc_1_sse_max, movdfcc_1_sse): New.
14212         (movdfcc_1, movdfcc_1_rex64): Add check for 387.
14213         (sminsf3, smaxsf3, smindf3, smaxdf3): New.
14214         (minsf3, minsf, minsf_nonieee, minsf_sse, mindf3, mindf,
14215         mindf_nonieee, mindf_sse, maxsf3, maxsf, maxsf_nonieee, maxsf_sse,
14216         maxdf3, maxdf, maxdf_nonieee, maxdf_sse, sse_movsfcc, sse_movsfcc_eq,
14217         sse_movdfcc, sse_movdfcc_eq, sse_movsfcc_const0_1,
14218         sse_movsfcc_const0_2, sse_movsfcc_const0_3, sse_movsfcc_const0_4,
14219         sse_movdfcc_const0_1, sse_movdfcc_const0_2, sse_movdfcc_const0_3,
14220         sse_movdfcc_const0_4): Remove.
14221         * config/i386/i386.c (ix86_expand_fp_movcc): For TARGET_SSE_MATH,
14222         recognize min/max early.  Update for changed sse cmove patterns.
14223         (ix86_split_sse_movcc): New.
14224         * config/i386/i386-protos.h: Update.
14225
14226 2005-01-13  Steven Bosscher  <stevenb@suse.de>
14227
14228         * tree-ssa-dse.c (fix_phi_uses): Use SSA operand iterators.
14229         (fix_stmt_v_may_defs): Likewise.
14230
14231 2005-01-13  Richard Henderson  <rth@redhat.com>
14232
14233         * config/i386/i386.c (ix86_expand_fp_absneg_operator): Use elt_mode
14234         for converting the mask.
14235
14236 2005-01-13  David Edelsohn  <edelsohn@gnu.org>
14237
14238         * config/rs6000/aix52.h (CPLUSPLUS_CPP_SPEC): Change _XOPEN_SOURCE
14239         definition to 600.
14240
14241 2005-01-13  Richard Henderson  <rth@redhat.com>
14242
14243         * config/i386/i386.c (IX86_BUILTIN_MOVQ, IX86_BUILTIN_LOADD,
14244         IX86_BUILTIN_STORED, IX86_BUILTIN_MOVQ2DQ,
14245         IX86_BUILTIN_MOVDQ2Q): Remove.
14246         (IX86_BUILTIN_VEC_EXT_V4SI): New.
14247         (ix86_init_mmx_sse_builtins, ix86_expand_builtin): Update to match.
14248         (ix86_expand_vector_extract): For V4S[FI], extract element 0 after
14249         shuffling.
14250         * config/i386/sse.md (sse_concatv2sf): Accept zero operand 2.
14251         (sse2_pextrw): Fix immediate constraint.
14252         (sse2_loadq, sse2_loadq_rex64): Remove.
14253         * config/i386/emmintrin.h (_mm_cvtsi128_si32, _mm_cvtsi128_si64x):
14254         Use __builtin_ia32_vec_ext_<size>.
14255         (_mm_cvtsi32_si128, _mm_cvtsi64x_si128): Use _mm_set_epi<size>.
14256
14257 2005-01-13  Aldy Hernandez  <aldyh@redhat.com>
14258
14259         * function.c (assign_parm_setup_block): Look inside original
14260         entry_parm when inspecting PARALLEL.
14261
14262 2005-01-13  Ralf Corsepius  <ralf.corsepius@rtems.org>
14263             Joel Sherrill  <joel@oarcorp.com>
14264
14265         PR target/19399
14266         * gthr-rtems.h (__gthread_recursive_mutex_t): New type.
14267         (__GTHREAD_RECURSIVE_MUTEX_INIT_FUNCTION): Define to
14268         rtems_gxx_recursive_mutex_init.
14269         (__gthread_recursive_mutex_lock): New function.
14270         (__gthread_recursive_mutex_trylock): Likewise.
14271         (__gthread_recursive_mutex_unlock): Likewise.
14272
14273 2005-01-13  Ralf Corsepius <ralf.corsepius@rtems.org>
14274
14275         * config/i386/t-rtems-i386: Multilib on -mtune instead of -mcpu.
14276
14277 2005-01-13  Jan Beulich  <jbeulich@novell.com>
14278
14279         * config/ia64/ia64.md (ashlti3, ashlti3_internal): New.
14280         (ashrti3_internal): Indicate output is early clobber. Generate result
14281         into output rather than first input. Use move for low word of output
14282         if shift count is exactly 64.
14283         (lshrti3_internal): Likewise.
14284
14285 2005-01-13  Hans-Peter Nilsson  <hp@bitrange.com>
14286
14287         PR target/18329
14288         PR target/18330
14289         * reload1.c (delete_output_reload): Don't delete an output reload
14290         if the pseudo lives longer than a single basic block.  Adjust and
14291         improve wording of comment.
14292
14293 2005-01-12  Andrew Pinski  <pinskia@physics.uc.edu>
14294
14295         PR target/19334
14296         * config/darwin.c (machopic_select_section): Use TYPE_SIZE_UNIT instead
14297         of TYPE_SIZE where we mean the number of bytes.
14298
14299 2005-01-12  Aldy Hernandez  <aldyh@redhat.com>
14300
14301         * function.c (assign_parm_setup_block): Relax condition on
14302         multi-register optimization.
14303
14304 2005-01-12  Nick Clifton  <nickc@redhat.com>
14305
14306         * config/sh/sh.md (udivsi3_sh2a, divsi3_sh2a): Give these patterns
14307         an "in_delay_slot" attribute of "no" to prevent them being used in
14308         delay slots.  This is forbidden because they might generate
14309         exceptions.
14310
14311 2005-01-12  Alan Modra  <amodra@bigpond.net.au>
14312
14313         PR target/19389
14314         * config/rs6000/rs6000.md (movtf_internal): Replace r->o and m->r
14315         with r->Y and Y->r.
14316
14317 2005-01-12  Nick Clifton  <nickc@redhat.com>
14318
14319         * config/iq2000/iq2000.h (ASM_SPEC): Undefine (to stop -Qy being
14320         passed on to GAS) but do not define, as GAS no longer supports or
14321         needs the -m2000 option.
14322
14323 2005-01-11  Roger Sayle  <roger@eyesopen.com>
14324
14325         * builtins.c (fold_builtin_fabs): Convert argument to the appropriate
14326         type as args of unprototyped builtins aren't automatically promoted.
14327         (fold_builtin_abs): Likewise.
14328
14329 2005-01-11  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
14330
14331         * Makefile.in: Set a `build-warn' variable.
14332
14333 2005-01-11  Zdenek Dvorak  <dvorakz@suse.cz>
14334
14335         PR tree-optimization/17949
14336         * tree-ssa-loop-ivopts.c (may_be_unaligned_p): New function.
14337         (find_interesting_uses_address): Use it.
14338
14339 2005-01-11  Aldy Hernandez  <aldyh@redhat.com>
14340
14341         * regrename.c (kill_value): Handle subreg's that won't simplify.
14342
14343 2005-01-11  Richard Henderson  <rth@redhat.com>
14344
14345         PR target/13366
14346         * config/i386/i386.h (enum ix86_builtins): Move ...
14347         * config/i386/i386.c: ... here.
14348         (IX86_BUILTIN_MOVDDUP, IX86_BUILTIN_MMX_ZERO, IX86_BUILTIN_PEXTRW,
14349         IX86_BUILTIN_PINSRW, IX86_BUILTIN_LOADAPS, IX86_BUILTIN_LOADSS,
14350         IX86_BUILTIN_STORESS, IX86_BUILTIN_SSE_ZERO, IX86_BUILTIN_PEXTRW128,
14351         IX86_BUILTIN_PINSRW128, IX86_BUILTIN_LOADAPD, IX86_BUILTIN_LOADSD,
14352         IX86_BUILTIN_STOREAPD, IX86_BUILTIN_STORESD,  IX86_BUILTIN_STOREHPD,
14353         IX86_BUILTIN_STORELPD, IX86_BUILTIN_SETPD1, IX86_BUILTIN_SETPD,
14354         IX86_BUILTIN_CLRPD, IX86_BUILTIN_LOADPD1, IX86_BUILTIN_LOADRPD,
14355         IX86_BUILTIN_STOREPD1, IX86_BUILTIN_STORERPD, IX86_BUILTIN_LOADDQA,
14356         IX86_BUILTIN_STOREDQA, IX86_BUILTIN_CLRTI,
14357         IX86_BUILTIN_LOADDDUP): Remove.
14358         (IX86_BUILTIN_VEC_INIT_V2SI, IX86_BUILTIN_VEC_INIT_V4HI,
14359         IX86_BUILTIN_VEC_INIT_V8QI, IX86_BUILTIN_VEC_EXT_V2DF,
14360         IX86_BUILTIN_VEC_EXT_V2DI, IX86_BUILTIN_VEC_EXT_V4SF,
14361         IX86_BUILTIN_VEC_EXT_V8HI, IX86_BUILTIN_VEC_EXT_V4HI,
14362         IX86_BUILTIN_VEC_SET_V8HI, IX86_BUILTIN_VEC_SET_V4HI): New.
14363         (ix86_init_builtins): Make static.
14364         (ix86_init_mmx_sse_builtins): Update for changed builtins.
14365         (ix86_expand_binop_builtin): Only use ix86_fixup_binary_operands
14366         if all the modes match.  Otherwise, fake it.
14367         (get_element_number, ix86_expand_vec_init_builtin,
14368         ix86_expand_vec_ext_builtin, ix86_expand_vec_set_builtin): New.
14369         (ix86_expand_builtin): Make static.  Update for changed builtins.
14370         (ix86_expand_vector_move_misalign): Use sse2_loadlpd with zero
14371         operand instead of sse2_loadsd.  Cast sse1 fallback to V4SFmode.
14372         (ix86_expand_vector_init_duplicate): New.
14373         (ix86_expand_vector_init_low_nonzero): New.
14374         (ix86_expand_vector_init_one_var, ix86_expand_vector_init_general):
14375         Split out from ix86_expand_vector_init; handle integer modes.
14376         (ix86_expand_vector_init): Use them.
14377         (ix86_expand_vector_set, ix86_expand_vector_extract): New.
14378         * config/i386/i386-protos.h: Update.
14379         * config/i386/predicates.md (reg_or_0_operand): New.
14380         * config/i386/mmx.md (mov<MMXMODEI>_internal): Add 'r' variants.
14381         (movv2sf_internal): Likewise.  And a splitter to match them all.
14382         (vec_dupv2sf, mmx_concatv2sf, vec_setv2sf, vec_extractv2sf,
14383         vec_initv2sf, vec_dupv4hi, vec_dupv2si, mmx_concatv2si, vec_setv2si,
14384         vec_extractv2si, vec_initv2si, vec_setv4hi, vec_extractv4hi,
14385         vec_initv4hi, vec_setv8qi, vec_extractv8qi, vec_initv8qi): New.
14386         (mmx_pinsrw): Fix operand ordering.
14387         * config/i386/sse.md (movv4sf splitter): Use direct pattern,
14388         rather than sse_loadss expander.
14389         (movv2df splitter): Similarly.
14390         (sse_loadss, sse_loadlss): Remove.
14391         (vec_dupv4sf, sse_concatv2sf, sse_concatv4sf, vec_extractv4sf_0): New.
14392         (vec_setv4sf, vec_setv2df): Use ix86_expand_vector_set.
14393         (vec_extractv4sf, vec_extractv2df): Use ix86_expand_vector_extract.
14394         (sse3_movddup): Rename with '*'.
14395         (sse3_movddup splitter): Use gen_rtx_REG instead of gen_lowpart.
14396         (sse2_loadsd): Remove.
14397         (vec_dupv2df_sse3): Rename from sse3_loadddup.
14398         (vec_dupv2df, vec_concatv2df_sse3, vec_concatv2df): New.
14399         (sse2_pinsrw): Fix argument ordering.
14400         (sse2_loadld, sse2_loadq): Add sse1 alternatives.
14401         (sse2_stored): Remove 'r' destination.
14402         (vec_dupv4si, vec_dupv2di, sse2_concatv2si, sse1_concatv2si,
14403         vec_concatv4si_1, vec_concatv2di, vec_setv2di, vec_extractv2di,
14404         vec_initv2di, vec_setv4si, vec_extractv4si, vec_initv4si,
14405         vec_setv8hi, vec_extractv8hi, vec_initv8hi, vec_setv16qi,
14406         vec_extractv16qi, vec_initv16qi): New.
14407
14408         * config/i386/emmintrin.h (__m128i, __m128d): Use typedef, not define.
14409         (_mm_set_sd, _mm_set1_pd, _mm_setzero_pd, _mm_set_epi64x,
14410         _mm_set_epi32, _mm_set_epi16, _mm_set_epi8, _mm_setzero_si128): Use
14411         constructor form.
14412         (_mm_load_pd, _mm_store_pd): Use plain dereference.
14413         (_mm_load_si128, _mm_store_si128): Likewise.
14414         (_mm_load1_pd): Use _mm_set1_pd.
14415         (_mm_load_sd): Use _mm_set_sd.
14416         (_mm_store_sd, _mm_storeh_pd): Use __builtin_ia32_vec_ext_v2df.
14417         (_mm_store1_pd, _mm_storer_pd): Use _mm_store_pd.
14418         (_mm_set_epi64): Use _mm_set_epi64x.
14419         (_mm_set1_epi64x, _mm_set1_epi64, _mm_set1_epi32, _mm_set_epi16,
14420         _mm_set1_epi8, _mm_setr_epi64, _mm_setr_epi32, _mm_setr_epi16,
14421         _mm_setr_epi8): Use _mm_set_foo form.
14422         (_mm_loadl_epi64, _mm_movpi64_epi64, _mm_move_epi64): Use _mm_set_epi64.
14423         (_mm_storel_epi64, _mm_movepi64_pi64): Use __builtin_ia32_vec_ext_v2di.
14424         (_mm_extract_epi16): Use __builtin_ia32_vec_ext_v8hi.
14425         (_mm_insert_epi16): Use __builtin_ia32_vec_set_v8hi.
14426         * config/i386/mmintrin.h (_mm_setzero_si64): Use plain cast.
14427         (_mm_set_pi32): Use __builtin_ia32_vec_init_v2si.
14428         (_mm_set_pi16): Use __builtin_ia32_vec_init_v4hi.
14429         (_mm_set_pi8): Use __builtin_ia32_vec_init_v8qi.
14430         (_mm_set1_pi16, _mm_set1_pi8): Use _mm_set_piN variant.
14431         * config/i386/pmmintrin.h (_mm_loaddup_pd): Use _mm_load1_pd.
14432         (_mm_movedup_pd): Use _mm_shuffle_pd.
14433         * config/i386/xmmintrin.h (_mm_setzero_ps, _mm_set_ss,
14434         _mm_set1_ps, _mm_set_ps, _mm_setr_ps): Use constructor form.
14435         (_mm_cvtpi16_ps, _mm_cvtpu16_ps, _mm_cvtpi8_ps, _mm_cvtpu8_ps,
14436         _mm_cvtps_pi8, _mm_cvtpi32x2_ps): Avoid __builtin_ia32_mmx_zero;
14437         Use _mm_setzero_ps.
14438         (_mm_load_ss, _mm_load1_ps): Use _mm_set* form.
14439         (_mm_load_ps, _mm_loadr_ps): Use raw dereference.
14440         (_mm_store_ss): Use __builtin_ia32_vec_ext_v4sf.
14441         (_mm_store_ps): Use raw dereference.
14442         (_mm_store1_ps): Use _mm_storeu_ps.
14443         (_mm_storer_ps): Use _mm_store_ps.
14444         (_mm_extract_pi16): Use __builtin_ia32_vec_ext_v4hi.
14445         (_mm_insert_pi16): Use __builtin_ia32_vec_set_v4hi.
14446
14447 2005-01-11  Stan Shebs  <shebs@apple.com>
14448
14449         * config/rs6000/rs6000.c (machopic_output_stub): Issue
14450         ldu instead of lwzu if 64-bit -mdynamic-no-pic.
14451
14452 2005-01-11  Andrew Pinski  <pinskia@physics.uc.edu>
14453
14454         PR target/18761
14455         * config/rs6000/rs6000.c (rs6000_special_round_type_align):
14456         Skip all DECLs except for FIELD_DECLs.
14457
14458 2005-01-11  Andreas Krebbel  <krebbel1@de.ibm.com>
14459
14460         * config/s390/s390.c (override_options): Return error if
14461         -mbackchain, -mpacked-stack and -mhard-float are used together.
14462         (s390_va_start): Remove the backchain && packed-stack special case.
14463         (s390_gimplify_va_arg): Likewise.
14464         * doc/invoke.texi: Remove the ABI incompatibility note.
14465
14466 2005-01-11  Andreas Krebbel  <krebbel1@de.ibm.com>
14467
14468         * config/s390/s390.c (struct s390_frame_layout): Remove
14469         save_backchain_p.
14470         (s390_frame_info, s390_emit_prologue): Replace occurrences of
14471         save_backchain_p with TARGET_BACKCHAIN.
14472
14473 2005-01-11  Alan Modra  <amodra@bigpond.net.au>
14474
14475         PR target/18916
14476         * builtins.c (std_gimplify_va_arg_expr): Adjust alignment of *ap.
14477         * expr.h (struct locate_and_pad_arg_data): Add "boundary".
14478         * function.c (locate_and_pad_parm): Set new field.
14479         (assign_parm_find_stack_rtl): Use it instead of FUNCTION_ARG_BOUNDARY.
14480         Tweak where_pad test to include "none".  Always set mem align for
14481         stack_parm.
14482         (assign_parm_adjust_stack_rtl): Discard stack_parm if alignment
14483         not sufficient for type.
14484         (assign_parm_setup_block): If stack_parm is zero on entry, always
14485         make a new stack local.  Block move old stack parm if necessary
14486         to new aligned stack local.
14487         (assign_parm_setup_stack): Use a block move to handle
14488         potentially misaligned entry_parm.
14489         (assign_parms_unsplit_complex): Specify required alignment when
14490         creating stack local.
14491         * calls.c (compute_argument_addresses): Override alignment of stack
14492         arg calculated from its type with the alignment given by
14493         FUNCTION_ARG_BOUNDARY.
14494         (store_one_arg): Likewise.
14495
14496 2005-01-11  Jan Beulich  <jbeulich@novell.com>
14497
14498         * config/ia64/ia64.md (zero_extendsidi2): Replace zxt4 by addp4.
14499         Change respective itanium_class attribute to ialu.
14500         (shladdp4_internal): New.
14501         * config/ia64/predicates.md (shladd_log2_operand): New.
14502
14503 2005-01-11  Richard Henderson  <rth@redhat.com>
14504
14505         * expr.c (store_constructor): Use rtvec_alloc instead of
14506         alloca+gen_rtvec_v, and an incorrect number passed to alloca.
14507
14508 2005-01-11  Kazu Hirata  <kazu@cs.umass.edu>
14509
14510         * config/alpha/alpha.c, config/i386/mmx.md: Fix comment typos.
14511
14512 2005-01-11  Alan Modra  <amodra@bigpond.net.au>
14513
14514         * varasm.c (default_section_type_flags_1): Don't set SECTION_SMALL.
14515         * config/ia64/ia64.c (TARGET_SECTION_TYPE_FLAGS): Define.
14516         (TARGET_RWRELOC): Define.
14517         (ia64_rwreloc_section_type_flags): Delete.
14518         (ia64_section_type_flags): New function.
14519         * config/ia64/hpux.h (TARGET_SECTION_TYPE_FLAGS): Don't define.
14520         (TARGET_RWRELOC): Define.
14521
14522 2005-01-10  David Mosberger  <davidm@hpl.hp.com>
14523
14524         PR target/18987
14525         * config/ia64/ia64.c (process_set): For alloc insn, only call
14526         process_epilogue is !frame_pointer_needed.
14527
14528 2005-01-10  Roger Sayle  <roger@eyesopen.com>
14529
14530         PR c++/19355
14531         * c-common.c (c_common_truthvalue_conversion): TRUTH_NOT_EXPR is a
14532         unary operator and can't be treated as a binary/comparison operator.
14533
14534 2005-01-10  Richard Henderson  <rth@redhat.com>
14535
14536         * config/i386/i386.c (ix86_function_value): Use type_natural_mode.
14537         (ix86_return_in_memory): Likewise.
14538         (function_arg_advance):  Likewise.  Mirror structure in function_arg
14539         for choosing register to advance.
14540
14541 2005-01-10  Kazu Hirata  <kazu@cs.umass.edu>
14542
14543         * tree-vectorizer.c, tree.def: Fix comment typos.
14544
14545 2005-01-10  Mark Dettinger  <dettinge@de.ibm.com>
14546
14547         * config/s390/s390.c (struct processor_costs): 4 new fields:
14548         ddbr, ddr, debr, der.
14549         (s390_rtx_costs): More precise handling of divide instructions.
14550
14551 2005-01-10  David Edelsohn  <edelsohn@gnu.org>
14552
14553         * config/rs6000/t-aix43 (BOOT_LDFLAGS): Define.
14554
14555 2005-01-10  Jan Beulich  <jbeulich@novell.com>
14556
14557         * config/ia64/ia64.c (ia64_in_small_data_p): Also handle the section
14558         names resulting from -ffunction-sections/-fdata-sections and linkonce
14559         ones.
14560         * varasm.c (default_section_type_flags_1): Also set SECTION_SMALL
14561         based on the section name. Rearrange the section name comparison logic
14562         slightly so that each section name is compared against at most once.
14563
14564 2005-01-10  Ben Elliston  <bje@au.ibm.com>
14565
14566         * doc/invoke.texi (Code Gen Options): Add PowerPC to the list of
14567         targets for which -fPIC reduces limitations on the GOT size.
14568
14569 2005-01-09  Falk Hueffner  <falk@debian.org>
14570
14571         * fold-const.c (fold): Also handle EXACT_DIV_EXPR when folding
14572         X/C1 cmpop C2.
14573
14574 2005-01-09  David Edelsohn  <edelsohn@gnu.org>
14575
14576         PR target/18720
14577         * collect2.c (main): Set aixrtl_flag for -brtl option.
14578         (resolve_lib_name): Search for .so file extension before .a
14579         if aixrtl_flag set.
14580
14581 2005-01-09  Dorit Naishlos  <dorit@il.ibm.com>
14582
14583         * tree-vectorizer.c (vect_enhance_data_refs_alignment): Add dump prints.
14584         (vect_analyze_data_refs_alignment): Add dump prints.
14585
14586 2005-01-09  Ira Rosen  <irar@il.ibm.com>
14587
14588         * tree-vectorizer.c (vect_analyze_offset_expr): Use
14589         expr_invariant_in_loop_p.
14590         Initialize outputs first thing in the function.
14591         (vect_update_ivs_after_vectorizer): Call initial_condition_in_loop_num.
14592         (vect_is_simple_iv_evolution): Call initial_condition_in_loop_num.
14593         (vect_analyze_pointer_ref_access): Check that the initial condition of
14594         the access function is loop invariant.
14595
14596 2005-01-09  Richard Henderson  <rth@redhat.com>
14597
14598         * config/i386/i386.c (bdesc_2arg): Update names for mmx_ prefixes.
14599         (ix86_expand_builtin): Likewise.  Frob MASKMOVQ wrt the input mem
14600         just like MASKMOVDQU.  Return plain zero for MMX_ZERO.
14601         * config/i386/i386.md (MMXMODEI, mov<MMXMODEI>,
14602         mov<MMXMODEI>_internal_rex64, mov<MMXMODEI>_internal, movv2sf,
14603         movv2sf_internal_rex64, movv2sf_internal, MMXMODE,
14604         movmisalign<MMXMODE>, mmx_pmovmskb, mmx_maskmovq, mmx_maskmovq_rex,
14605         sse_movntdi, addv8qi3, addv4hi3, addv2si3, mmx_adddi3, ssaddv8qi3,
14606         ssaddv4hi3, usaddv8qi3, usaddv4hi3, subv8qi3, subv4hi3, subv2si3,
14607         mmx_subdi3, sssubv8qi3, sssubv4hi3, ussubv8qi3, ussubv4hi3,
14608         mulv4hi3, smulv4hi3_highpart, umulv4hi3_highpart, mmx_pmaddwd,
14609         sse2_umulsidi3, mmx_iordi3, mmx_xordi3, mmx_anddi3, mmx_nanddi3,
14610         mmx_uavgv8qi3, mmx_uavgv4hi3, mmx_psadbw, mmx_pinsrw, mmx_pinsrw,
14611         mmx_pextrw, mmx_pshufw, eqv8qi3, eqv4hi3, eqv2si3, gtv8qi3, gtv4hi3,
14612         gtv2si3, umaxv8qi3, smaxv4hi3, uminv8qi3, sminv4hi3, ashrv4hi3,
14613         ashrv2si3, lshrv4hi3, lshrv2si3, mmx_lshrdi3, ashlv4hi3, ashlv2si3,
14614         mmx_ashldi3, mmx_packsswb, mmx_packssdw, mmx_packuswb, mmx_punpckhbw,
14615         mmx_punpckhwd, mmx_punpckhdq, mmx_punpcklbw, mmx_punpcklwd,
14616         mmx_punpckldq, emms, addv2sf3, subv2sf3, subrv2sf3, gtv2sf3, gev2sf3,
14617         eqv2sf3, pfmaxv2sf3, pfminv2sf3, mulv2sf3, femms, pf2id, pf2iw,
14618         pfacc, pfnacc, pfpnacc, pi2fw, floatv2si2, pfrcpv2sf2, pfrcpit1v2sf3,
14619         pfrcpit2v2sf3, pfrsqrtv2sf2, pfrsqit1v2sf3, pmulhrwv4hi3, pswapdv2si2,
14620         pswapdv2sf2): Move to mmx.md; rename as necessary with leading
14621         mmx_ prefix.
14622         (mmx_clrdi, pavgusb): Remove.
14623         (ldmxcsr, stmxcsr, sfence, sfence_insn): Move to sse.md; rename
14624         with leading sse_ prefix.
14625         * config/i386/sse.md: Receive them.
14626         * config/i386/mmx.md: New file.
14627         (MMXMODE12, MMXMODE24, mmxvecsize): New.
14628         (subrv2sf3): Turn into expander for normal subtraction.
14629         (mmx_addv2sf3, mmx_mulv2sf3, mmx_smaxv2sf3, mmx_sminv2sf3,
14630         mmx_eqv2sf3, mmx_mulv4hi3, mmx_smulv4hi3_highpart,
14631         mmx_umulv4hi3_highpart, mmx_pmaddwd, mmx_pmulhrwv4hi3, sse2_umulsidi3,
14632         mmx_umaxv8qi3, mmx_smaxv4hi3, mmx_uminv8qi3, mmx_sminv4hi3): Mark
14633         commutative; use ix86_binary_operator_ok.
14634         (mmx_add<MMXMODEI>3, mmx_ssadd<MMXMODE12>3, mmx_usadd<MMXMODE12>3,
14635         mmx_sub<MMXMODEI>3, mmx_sssub<MMXMODE12>3, mmx_ussub<MMXMODE12>3
14636         mmx_ashr<MMXMODE24>3, mmx_lshr<MMXMODE23>3, mmx_ashl<MMXMODE24>3
14637         mmx_eq<MMXMODEI>3, mmx_gt<MMXMODEI>3, mmx_and<MMXMODEI>3,
14638         mmx_nand<MMXMODEI>3, mmx_ior<MMXMODEI>3, mmx_xor<MMXMODEI>3):
14639         Macroize from existing patterns; use ix86_binary_operator_ok.
14640         (mmx_packsswb, mmx_packssdw, mmx_packuswb): Add memory alternative.
14641         (mmx_punpckhbw, mmx_punpcklbw, mmx_punpckhwd, mmx_punpcklwd,
14642         mmx_punpckhdq, mmx_punpckhdq, mmx_punpckldq): Likewise.  Model
14643         with vec_select+vec_concat.
14644         (mmx_pshufw, mmx_pshufw_1): Likewise.
14645         (mmx_uavgv8qi3): Merge pavgusb.  Model correcty.
14646         (mmx_uavgv4hi3): Model correctly.
14647         * config/i386/mmintrin.h (_mm_and_si64, _mm_andnot_si64, _mm_or_si64,
14648         _mm_xor_si64): Remove casts.
14649
14650 2005-01-09  Zdenek Dvorak  <dvorakz@suse.cz>
14651
14652         PR tree-optimization/19224
14653         * tree-scalar-evolution.c (get_instantiated_value,
14654         set_instantiated_value): New functions.
14655         (instantiate_parameters_1): Cache the results.
14656         (instantiate_parameters, resolve_mixers): Initialize and free
14657         the cache.
14658
14659 2005-01-08  David Edelsohn  <edelsohn@gnu.org>
14660
14661         * config/i386/i386.md (addhi_4): Correct reference in comment.
14662         (addqi_4): Same.
14663
14664 2005-01-08  Richard Henderson  <rth@redhat.com>
14665
14666         * config/i386/emmintrin.h (_mm_cvtsi128_si32): Move earlier.
14667         (_mm_cvtsi128_si64x): Likewise.
14668         (_mm_srl_epi64, _mm_srl_epi32, _mm_srl_epi16, _mm_sra_epi32,
14669         _mm_sra_epi16, _mm_sll_epi64, _mm_sll_epi32, _mm_sll_epi16): Use
14670         the _mm_{srl,sll}i_foo counterpart, and _mm_cvtsi128_si32.
14671         * config/i386/i386-modes.def: Add V16HI, V32QI, V4DF, V8SF.
14672         * config/i386/i386-protos.h: Update.
14673         * config/i386/i386.c (print_operand): Add 'H'.
14674         (ix86_fixup_binary_operands): Split out from ...
14675         (ix86_expand_binary_operator): ... here.
14676         (ix86_fixup_binary_operands_no_copy): New.
14677         (ix86_expand_fp_absneg_operator): Handle vector mode results.
14678         (bdesc_2arg): Update names for sse{,2,3}_ prefixes.
14679         (ix86_init_mmx_sse_builtins): Remove *maskncmp* special cases.
14680         (safe_vector_operand): Use CONST0_RTX.
14681         (ix86_expand_binop_builtin): Use ix86_fixup_binary_operands.
14682         (ix86_expand_builtin): Merge CODE_FOR_sse2_maskmovdqu_rex64 and
14683         CODE_FOR_sse2_maskmovdqu.  Special case SSE version of MASKMOVDQU
14684         expansion.  Update names for sse{,2,3}_ prefixes.  Remove *maskncmp*
14685         special cases.
14686         * config/i386/i386.h (IX86_BUILTIN_CMPNGTSS): New.
14687         (IX86_BUILTIN_CMPNGESS): New.
14688         * config/i386/i386.md (UNSPEC_FIX_NOTRUNC): New.
14689         (attr type): Add sselog1.
14690         (attr unit, attr memory): Handle it.
14691         (movti, movti_internal, movti_rex64): Move near other integer moves.
14692         (movtf, movtf_internal): Move near other fp moves.
14693         (SSEMODE, SSEMODEI, vec_setv2df, vec_extractv2df, vec_initv2df,
14694         vec_setv4sf, vec_extractv4sf, vec_initv4sf, movv4sf, movv4sf_internal,
14695         movv2df, movv2df_internal, mov<SSEMODEI>, mov<SSEMODEI>_internal,
14696         movmisalign<SSEMODE>, sse_movups_1, sse_movmskps, sse_movntv4sf,
14697         sse_movhlps, sse_movlhps, sse_storehps, sse_loadhps, sse_storelps,
14698         sse_loadlps, sse_loadss, sse_loadss_1, sse_movss, sse_storess,
14699         sse_shufps, addv4sf3, vmaddv4sf3, subv4sf3, vmsubv4sf3, negv4sf2,
14700         mulv4sf3, vmmulv4sf3, divv4sf3, vmdivv4sf3, rcpv4sf2, vmrcpv4sf2,
14701         rsqrtv4sf2, vmrsqrtv4sf2, sqrtv4sf2, vmsqrtv4sf2, sse_andv4sf3,
14702         sse_nandv4sf3, sse_iorv4sf3, sse_xorv4sf3, sse2_andv2df3,
14703         sse2_nandv2df3, sse2_iorv2df3, sse2_xorv2df3, sse2_andv2di3,
14704         sse2_nandv2di3, sse2_iorv2di3, sse2_xorv2di3, maskcmpv4sf3,
14705         vmmaskcmpv4sf3, sse_comi, sse_ucomi, sse_unpckhps, sse_unpcklps,
14706         smaxv4sf3, vmsmaxv4sf3, sminv4sf3, vmsminv4sf3, cvtpi2ps, cvtps2pi,
14707         cvttps2pi, cvtsi2ss, cvtsi2ssq, cvtss2si, cvtss2siq, cvttss2si,
14708         cvttss2siq, addv2df3, vmaddv2df3, subv2df3, vmsubv2df3, mulv2df3,
14709         vmmulv2df3, divv2df3, vmdivv2df3, smaxv2df3, vmsmaxv2df3, sminv2df3,
14710         vmsminv2df3, sqrtv2df2, vmsqrtv2df2, maskcmpv2df3, vmmaskcmpv2df3,
14711         sse2_comi, sse2_ucomi, sse2_movmskpd, sse2_pmovmskb, sse2_maskmovdqu,
14712         sse2_maskmovdqu_rex64, sse2_movntv2df, sse2_movntv2di, sse2_movntsi,
14713         cvtdq2ps, cvtps2dq, cvttps2dq, cvtdq2pd, cvtpd2dq, cvttpd2dq,
14714         cvtpd2pi, cvttpd2pi, cvtpi2pd, cvtsd2si, cvtsd2siq, cvttsd2si,
14715         cvttsd2siq, cvtsi2sd, cvtsi2sdq, cvtsd2ss, cvtss2sd, cvtpd2ps,
14716         cvtps2pd, addv16qi3, addv8hi3, addv4si3, addv2di3, ssaddv16qi3,
14717         ssaddv8hi3, usaddv16qi3, usaddv8hi3, subv16qi3, subv8hi3, subv4si3,
14718         subv2di3, sssubv16qi3, sssubv8hi3, ussubv16qi3, ussubv8hi3, mulv8hi3,
14719         smulv8hi3_highpart, umulv8hi3_highpart, sse2_umulsidi3,
14720         sse2_umulv2siv2di3, sse2_pmaddwd, sse2_uavgv16qi3, sse2_uavgv8hi3,
14721         sse2_psadbw, sse2_pinsrw, sse2_pextrw, sse2_pshufd, sse2_pshuflw,
14722         sse2_pshufhw, eqv16qi3, eqv8hi3, eqv4si3, gtv16qi3, gtv8hi3,
14723         gtv4si3, umaxv16qi3, smaxv8hi3, uminv16qi3, sminv8hi3, ashrv8hi3,
14724         ashrv4si3, lshrv8hi3, lshrv4si3, lshrv2di3, ashlv8hi3, ashlv4si3,
14725         ashlv2di3, sse2_ashlti3, sse2_lshrti3, sse2_unpckhpd, sse2_unpcklpd,
14726         sse2_packsswb, sse2_packssdw, sse2_packuswb, sse2_punpckhbw,
14727         sse2_punpckhwd, sse2_punpckhdq, sse2_punpcklbw, sse2_punpcklwd,
14728         sse2_punpckldq, sse2_punpcklqdq, sse2_punpckhqdq, sse2_movupd,
14729         sse2_movdqu, sse2_movdq2q, sse2_movdq2q_rex64, sse2_movq2dq,
14730         sse2_movq2dq_rex64, sse2_loadd, sse2_stored, sse2_storehpd,
14731         sse2_loadhpd, sse2_storelpd, sse2_loadlpd, sse2_movsd, sse2_loadsd,
14732         sse2_loadsd_1, sse2_storesd, sse2_shufpd, sse2_clflush, sse2_mfence,
14733         mfence_insn, sse2_lfence, lfence_insn, mwait, monitor, addsubv4sf3,
14734         addsubv2df3, haddv4sf3, haddv2df3, hsubv4sf3, hsubv2df3, movshdup,
14735         movsldup, lddqu, loadddup, movddup): Move to sse.md.  Any with
14736         non-optabs meanings renamed with an "sse{,2,3}_" prefix at the
14737         same time.
14738         (SSEPUSH, push<SSEPUSH>): Remove.
14739         (MMXPUSH, push<MMXPUSH>): Remove.
14740         (sse_movaps, sse_movaps_1, sse_movups): Remove.
14741         (sse2_movapd, sse2_movdqa, sse2_movq): Remove.
14742         (sse2_andti3, sse2_nandti3, sse2_iorti3, sse2_xorti3): Remove.
14743         (sse_clrv4sf, sse_clrv2df, sse2_clrti): Remove.
14744         (maskncmpv4sf3, vmmaskncmpv4sf3): Remove.
14745         (maskncmpv2df3, vmmaskncmpv2df3): Remove.
14746         (ashrv8hi3_ti, ashrv4si3_ti, lshrv8hi3_ti, lshrv4si3_ti): Remove.
14747         (lshrv2di3_ti, ashlv8hi3_ti, ashlv4si3_ti, ashlv2di3_ti): Remove.
14748         * config/i386/athlon.md (athlon_sselog_load): Handle sselog1.
14749         (athlon_sselog_load_k8, athlon_sselog, athlon_sselog_k8): Likewise.
14750         * config/i386/ppro.md (ppro_sse_div_V4SF_load): Fix memory attr.
14751         (ppro_sse_log_V4SF_load): Similarly.  Handle sselog1.
14752         (ppro_sse_log_V4SF): Handle sselog1.
14753         * config/i386/predicates.md (const_0_to_1_operand): New.
14754         (const_0_to_255_mul_8_operand): New.
14755         (const_1_to_31_operand): Rename from const_int_1_31_operand.
14756         (const_2_to_3_operand, const_4_to_7_operand): New.
14757         * config/i386/sse.md: New file.
14758         (SSEMODE12, SSEMODE24, SSEMODE124, SSEMODE248, ssevecsize): New.
14759         (sse_movups): Rename from sse_movups_1.
14760         (sse_loadlss): Rename from sse_loadss_1.
14761         (andv4sf3, iorv4sf3, xorv4sf3, andv2df3): Remove the sse prefix
14762         from the name.
14763         (negv4sf2): Use ix86_expand_fp_absneg_operator.
14764         (absv4sf2, negv2df, absv2df): New.
14765         (addv4sf3): Add expander to call ix86_fixup_binary_operands_no_copy.
14766         (subv4sf3, mulv4sf3, divv4sf3, smaxv4sf3, sminv4sf3, andv4sf3,
14767         iorv4sf3, xorv4sf3, addv2df3, subv2df3, mulv2df3, divv2df3,
14768         smaxv2df3, sminv2df3, andv2df3, iorv2df3, xorv2df3, mulv8hi3,
14769         umaxv16qi3, smaxv8hi3, uminv16qi3, sminv8hi3): Likewise.
14770         (sse3_addsubv4sf3): Model correctly.
14771         sse3_haddv4sf3, sse3_hsubv4sf3, sse3_addsubv2df3, sse3_haddv2df3,
14772         sse3_hsubv2df3, sse2_ashlti3, sse2_lshrti3): Likewise.
14773         (sse_movhlps): Model with vec_select+vec_concat.
14774         (sse_movlhps, sse_unpckhps, sse_unpcklps, sse3_movshdup,
14775         sse3_movsldup, sse_shufps, sse_shufps_1, sse2_unpckhpd, sse3_movddup,
14776         sse2_unpcklpd, sse2_shufpd, sse2_shufpd_1, sse2_punpckhbw,
14777         sse2_punpcklbw, sse2_punpckhwd, sse2_punpcklwd, sse2_punpckhdq,
14778         sse2_punpckldq, sse2_punpckhqdq, sse2_punpcklqdq, sse2_pshufd,
14779         sse2_pshufd_1, sse2_pshuflw, sse2_pshuflw_1, sse2_pshufhw,
14780         sse2_pshufhw_1): Likewise.
14781         (neg<SSEMODEI>2, one_cmpl<SSEMODEI>2): New.
14782         (add<SSEMODEI>3, sse2_ssadd<SSEMODE12>3, sse2_usadd<SSEMODE12>3,
14783         sub<SSEMODEI>3, sse2_sssub<SSEMODE12>3, sse2_ussub<SSEMODE12>3,
14784         ashr<SSEMODE24>3, lshr<SSEMODE248>3, sse2_eq<SSEMODE124>3,
14785         sse2_gt<SSEMODDE124>3, and<SSEMODEI>3, sse_nand<SSEMODEI>3,
14786         ior<SSEMODEI>3, xor<SSEMODEI>3): Macroize from existing patterns.
14787         (addv4sf3, sse_vmaddv4sf3, mulv4sf3, sse_vmmulv4sf3, smaxv4sf3,
14788         sse_vmsmaxv4sf3, sminv4sf3, sse_vmsminv4sf3, addv2df3, sse2_vmaddv2df3,
14789         mulv2df3, sse2_vmmulv2df3, smaxv2df3, sse2_vmsmaxv2df3, sminv2df3,
14790         sse2_vmsminv2df3, umaxv16qi3, smaxv8hi3, uminv16qi3
14791         sminv8hi3): Mark commutative
14792         operands.  Use ix86_binary_operator_ok.
14793         (sse_unpckhps, sse_unpcklps, sse2_packsswb, sse2_packssdw,
14794         sse2_packuswb, sse2_punpckhbw, sse2_punpcklbw, sse2_punpckhwd,
14795         sse2_punpcklwd, sse2_punpckhdq, sse2_punpckldq, sse2_punpckhqdq,
14796         sse2_punpcklqdq): Allow operand2 in memory.
14797         (sse_movhlps, sse_movlhps, sse2_unpckhpd, sse2_unpcklpd
14798         sse2_movsd): Add memory alternatives.
14799         (sse_storelps): Turn expander into an insn; split after reload.
14800         (sse_storess, sse2_loadhpd, sse2_loadlpd): Add non-xmm inputs.
14801         (sse2_storehpd, sse2_storelpd): Add non-xmm outputs.
14802
14803 2005-01-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
14804
14805         * configure.ac (DWARF-2 debug_line): Use objdump.
14806         * configure: Regenerate.
14807
14808 2005-01-08  Jeff Law  <law@redhat.com>
14809             Diego Novillo  <dnovillo@redhat.com>
14810
14811         PR tree-optimization/18241
14812         * tree-nrv.c (tree_nrv): Ignore volatile return values.
14813         * tree-ssa-dse.c (dse_optimize_stmt): Do not optimize
14814         statements with volatile operands.
14815         * tree-ssa-operands.c (add_stmt_operand): Do add volatile
14816         operands after marking a statement with has_volatile_ops.
14817
14818 2005-01-08  Roger Sayle  <roger@eyesopen.com>
14819
14820         * tree.c (int_fits_type_p): Always honor integer constant
14821         TYPE_MIN_VALUE and TYPE_MAX_VALUE if they exist.
14822
14823 2005-01-08  Roger Sayle  <roger@eyesopen.com>
14824
14825         * ifcvt.c (find_if_case_1): Reinstate 2005-01-04 change, now that
14826         the latent bug in rtl_delete_block has been resolved.
14827
14828 2005-01-08  Richard Sandiford  <rsandifo@redhat.com>
14829
14830         * config/mips/t-iris6 (MULTILIB_DIRNAMES): Use -mabi argument values.
14831         (MULTILIB_OSDIRNAMES): Use the standard lib, lib32 and lib64.
14832
14833 2005-01-08  Richard Sandiford  <rsandifo@redhat.com>
14834
14835         * config/mips/t-slibgcc-irix (SHLIB_LINK): Install a copy of the
14836         library as @multilib_dir@/$(SHLIB_SONAME).
14837
14838 2005-01-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
14839
14840         * configure.ac (HAVE_AS_OFFSETABLE_LO10): Fix typo.
14841         * configure: Regenerate.
14842
14843 2005-01-07  Jakub Jelinek  <jakub@redhat.com>
14844
14845         * c-common.c (handle_mode_attribute): For ENUMERAL_TYPE, also copy
14846         TYPE_MODE.
14847
14848 2005-01-07  David Edelsohn  <edelsohn@gnu.org>
14849
14850         PR target/13674
14851         * config/rs6000/rs6000.c (rs6000_legitimize_reload_address):
14852         Convert non-word aligned offset address using ld/std into
14853         indirect address.
14854
14855 2005-01-07  Richard Henderson  <rth@redhat.com>
14856
14857         * config/i386/i386.md (sse_loadhps splitter): Fix operand number typo.
14858
14859 2005-01-07  Richard SAndiford  <rsandifo@redhat.com>
14860
14861         * tree.h (IS_EXPR_CODE_CLASS): Use a straight-forward range check.
14862
14863 2005-01-07  Jakub Jelinek  <jakub@redhat.com>
14864
14865         PR tree-optimization/19283
14866         * fold-const.c (fold_widened_comparison): Return NULL if shorter_type
14867         is not shorter than the original type.
14868
14869         PR rtl-optimization/19012
14870         * config/i386/i386.md (addqi_1_slp): Set memory attribute.
14871
14872         PR rtl-optimization/18861
14873         * cfgbuild.c (BLOCK_USED_BY_TABLEJUMP): Define.
14874         (FULL_STATE): Define.
14875         (mark_tablejump_edge): New function.
14876         (purge_dead_tablejump_edges): New function.
14877         (find_bb_boundaries): Use it.
14878
14879         PR tree-optimization/18828
14880         * builtins.c (expand_builtin_next_arg): Remove argument and all
14881         the argument checking.
14882         (expand_builtin): Adjust caller.
14883         (expand_builtin_va_start): Likewise.  Remove error for too many
14884         arguments.
14885         (fold_builtin_next_arg): Issue error for too many arguments.
14886         After checking arguments, replace them with magic arguments that
14887         prevent further checking of the args.
14888
14889 2005-01-06  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
14890
14891         * pa64-hpux.h (STARTFILE_SPEC): Fix typo in spec.
14892
14893 2005-01-06  Roger Sayle  <roger@eyesopen.com>
14894
14895         PR target/6077
14896         * gcc.c (input_suffix_matches): Tweak the semantics of %{.s:...}
14897         and %{.S:...} (and their negative variants) to test whether the
14898         input file is assembler or pre-processed-assembler independent of
14899         the actual filename extension.
14900
14901 2005-01-06  Roger Sayle  <roger@eyesopen.com>
14902
14903         * simplify-rtx.c (simplify_subreg): Simplify truncations of shifts
14904         of sign or zero extended values.
14905
14906 2005-01-06  Geoffrey Keating  <geoffk@apple.com>
14907
14908         * c-cppbuiltin.c (builtin_define_float_constants): Set __*_EPSILON__
14909         for IBM long double format correctly.
14910
14911 2005-01-06  Daniel Berlin <dberlin@dberlin.org>
14912
14913         Fix PR tree-optimization/18792
14914
14915         * tree-data-ref.c (build_classic_dist_vector): Change first_loop
14916         to first_loop_depth, and use loop depth instead of loop number.
14917         (build_classic_dir_vector): Ditto.
14918         (compute_data_dependences_for_loop): Use depth, not loop number.
14919         * tree-loop-linear.c (try_interchange_loops): Use loop depth, not loop
14920         number. Pass in loops, instead of loop numbers.
14921         (gather_interchange_stats): Ditto.
14922         (linear_transform_loops): Ditto.
14923
14924 2005-01-06  Richard Sandiford  <rsandifo@redhat.com>
14925
14926         PR rtl-opt/13299
14927         * loop.c (get_monotonic_increment, biased_biv_fits_mode_p,
14928         biv_fits_mode_p, extension_within_bounds_p): New functions.
14929         (check_ext_dependent_givs): Use them.
14930
14931 2005-01-06  Roger Sayle  <roger@eyesopen.com>
14932
14933         * cfgrtl.c (rtl_delete_block): A basic block may be followed by
14934         more than one barrier, in which case we should delete them all.
14935
14936 2005-01-06  Tobias Schlueter  <tobias.schlueter@physik.uni-muenchen.de>
14937
14938         * gcc.c (process_command): Change year in 'gcc --version' to 2005.
14939
14940 2005-01-05  Daniel Berlin  <dberlin@dberlin.org>
14941
14942         Fix PR middle-end/19286
14943         Fix PR debug/19267
14944         * dwarf2out.c (gen_subprogram_die): If we've already tried to
14945         output this subprogram, simply ignore this attempt to do it again.
14946         (add_abstract_origin_attribute): Don't abort trying to add the abstract
14947         origin attribute if it's not possible.
14948         (gen_block_die): Don't ignore subblocks of "unused" blocks.
14949         (decls_for_scope): Ditto.
14950         * gimple-low.c (mark_blocks_with_used_subblocks): Remove.
14951         (mark_used_blocks): Don't call mark_blocks_with_used_subblocks.
14952
14953 2005-01-05  Richard Henderson  <rth@redhat.com>
14954
14955         PR target/11327
14956         * config/i386/i386.c (BUILTIN_DESC_SWAP_OPERANDS): New.
14957         (bdesc_2arg): Use it.
14958         (ix86_expand_binop_builtin): Force operands into registers
14959         when optimizing.
14960         (ix86_expand_unop_builtin, ix86_expand_unop1_builtin,
14961         ix86_expand_sse_compare, ix86_expand_sse_comi,
14962         ix86_expand_builtin): Likewise.
14963
14964 2005-01-05  Richard Henderson  <rth@redhat.com>
14965
14966         * config/ia64/ia64.c (rtx_needs_barrier): Handle CONST_VECTOR
14967         and VEC_SELECT.
14968         * config/ia64/vect.md (mulv8qi3): Re-implement with mix_[rl].
14969         (mulv4hi3): Set itanium_class mmmul.
14970         (fpack_sfxf, fpack_xfsf, fpack_xfxf): Remove.
14971         (fpack): Rename from fpack_sfsf.
14972
14973 2005-01-05  Richard Henderson  <rth@redhat.com>
14974
14975         PR rtl-opt/10692
14976         * reload1.c (do_input_reload): Restrict the optimization deleteing
14977         a previous output reload to RELOAD_FOR_INPUT.
14978
14979 2005-01-05  Steven Bosscher  <stevenb@suse.de>
14980
14981         * combine.c (expand_compound_operation)  <ZERO_EXTRACT>: Add
14982         comment that we fall through after case.
14983         (mark_used_regs_combine): Don't expect a SIGN_EXTRACT in a SET_DEST.
14984         (distribute_links): Likewise.
14985         * cse.c (cse_insn): Likewise.
14986         * cselib.c (cselib_invalidate_mem): Likewise.
14987         * df.c: Update comments at the top of the file.
14988         (read_modify_subreg_p): Update comments here too.
14989         (df_def_record_1): Don't expect a SIGN_EXTRACT in a SET_DEST.
14990         * flow.c (mark_set_1): Likewise.
14991         (mark_used_regs): Likewise.
14992         * gcse.c (mems_conflict_for_gcse_p): Likewise.
14993         (canon_list_insert): Likewise.
14994         (mark_set): Likewise.
14995         (try_replace_reg): Likewise.
14996         (store_killed_in_insn): Likewise.
14997         * loop.c (count_one_set): Likewise.
14998         (basic_induction_var): Likewise.
14999         * postreload-gcse.c (find_mem_conflicts): Likewise.
15000         * postreload.c (reload_combine_note_store): Likewise.
15001         (move2add_note_store): Likewise.
15002         * reload.c (find_equiv_reg): Likewise.
15003         (mark_referenced_resources): Likewise.
15004         * rtlanal.c (set_noop_p): Likewise.
15005         (note_stores): Likewise.
15006         (note_uses): Likewise.
15007         * sched-deps.c (sched_analyze_1): Likewise.
15008         * sched-rgn.c (check_live_1): Likewise.
15009         (update_live_1): Likewise.
15010         * config/i860/i860.c: Likewise.
15011
15012         * rtl.dec (SIGN_EXTRACT): Document that this cannot appear as
15013         an lvalue.
15014         (ZERO_EXTRACT): Mention that this one can be an lvalue.
15015
15016         * doc/rtl.texi: Update documentation for bit-fields and SET.
15017
15018 2005-01-05  Roger Sayle  <roger@eyesopen.com>
15019
15020         * ifcvt.c (find_if_case_1): Revert 2005-01-04 change.
15021
15022 2005-01-05  Jan Hubicka  <jh@suse.cz>
15023             Richard Henderson  <rth@redhat.com>
15024
15025         PR target/18910
15026         * config/i386/i386.c (ix86_expand_move): Handle tls symbols
15027         with an offset.
15028
15029 2005-01-05  Richard Henderson  <rth@redhat.com>
15030
15031         PR target/12902
15032         * config/i386/i386.md (sse_movhps, sse_movlps): Remove.
15033         (sse_shufps): Change operand 3 to const_int_operand.
15034         (sse2_storelps): Fix typo in template.
15035         (sse_storehps, sse_loadhps, sse_storelps, sse_loadlps): New.
15036         * config/i386/i386.c (ix86_expand_vector_move_misalign): Use them.
15037         (ix86_expand_builtin): Likewise.
15038
15039 2005-01-05  Julian Brown  <julian@codesourcery.com>
15040
15041         * config/arm/arm.c (arm_return_in_memory): Treat complex types
15042         as aggregates for AAPCS ABIs.
15043
15044 2005-01-05  Stan Shebs  <shebs@apple.com>
15045
15046         * unwind-dw2-fde-darwin.c (examine_objects): Use 64-bit
15047         Mach-O getters if ppc64.
15048         * config/darwin.c (darwin_asm_output_dwarf_delta): Obey
15049         size argument.
15050         * config/darwin.h (ASM_PREFERRED_EH_DATA_FORMAT): Use
15051         signed four-byte field for global code case.
15052         (STARTFILE_SPEC): Avoid crt2.o for 64-bit compilation.
15053
15054 2005-01-05  Roger Sayle  <roger@eyesopen.com>
15055
15056         PR middle-end/19100
15057         * c-common.c: Include real.h.
15058         (c_common_truthvalue_conversion): Avoid destructively modifying expr.
15059         Correctly handle TREE_CONSTANT_OVERFLOW for INTEGER_CST.
15060         Correctly handle TREE_CONSTANT_OVERFLOW and NaNs for REAL_CST.
15061         * Makefile.in (c-common.o): Update dependencies.
15062
15063 2005-01-05  Joseph S. Myers  <joseph@codesourcery.com>
15064
15065         * c-parse.in (asm_string): Add trailing semicolon.
15066
15067 2005-01-05  Joseph S. Myers  <joseph@codesourcery.com>
15068
15069         * c-parse.in (asm_string): New.  Don't allow wide strings in
15070         'asm'.
15071         (simple_asm_expr, asm_argument, asm_operand, asm_clobbers): Use
15072         asm_string instead of STRING.
15073
15074 2005-01-05  Joseph S. Myers  <joseph@codesourcery.com>
15075
15076         * c-typeck.c (constructor_no_implicit): Remove.
15077         (set_designator, process_init_element): Don't check
15078         constructor_no_implicit.
15079
15080 2005-01-05  J"orn Rennecke <joern.rennecke@st.com>
15081             Kaz Kojima  <kkojima@gcc.gnu.org>
15082
15083         PR target/16482
15084         * lcm.c (create_pre_exit): New.
15085         (optimize_mode_switching): In MODE_ENTRY / MODE_EXIT case, set
15086         ENTRY_EXIT_EXTRA to 3.  Use create_pre_exit.
15087
15088 2004-01-05  Richard Earnshaw  <rearnsha@arm.com>
15089
15090         * arm.h (TARGET_OPTIONS): Correctly record -mhard-float and
15091         -msoft-float in target_float_switch.
15092         * arm.c (arm_override_options): Fix processing of target_float_switch.
15093
15094 2004-01-05  Richard Earnshaw  <rearnsha@arm.com>
15095
15096         * arm/vfp.md (arm_movsi_vfp): Hide VFP register classes from register
15097         preferencing.
15098
15099 2004-01-05  Uros Bizjak  <uros@kss-loka.si>
15100
15101         * doc/invoke.texi (Intel 386 and AMD x86-64 Options):
15102         Replace i387 with 'i386 compiler' in -mfpmath=sse option.
15103
15104 2005-01-04  Roger Sayle  <roger@eyesopen.com>
15105
15106         * ifcvt.c (find_if_case_1): Avoid creating an empty forwarder block,
15107         if deleting the then-block allows the test-block to fallthru to the
15108         else-block.
15109
15110 2005-01-04  Andrew Pinski  <pinskia@physics.uc.edu>
15111
15112         PR c/19152
15113         * c-decl.c (diagnose_mismatched_decls): Accept "extern inline" declared
15114         after the full declaration if the are in two different TUs.
15115
15116 2005-01-04  Richard Henderson  <rth@redhat.com>
15117
15118         PR tree-opt/19158
15119         * tree-sra.c (generate_one_element_init): Just
15120         call gimplify_and_add.
15121         (generate_element_init): Record the
15122         new referenced variables and mark them for renaming
15123         and split out to ...
15124         (generate_element_init_1): This.
15125         (scalarize_init): Don't call push_gimplify_context/
15126         pop_gimplify_context.
15127
15128 2005-01-04  Geoffrey Keating  <geoffk@apple.com>
15129
15130         * toplev.c (get_src_pwd): Handle failure of getpwd().
15131
15132 2005-01-04  Roger Sayle  <roger@eyesopen.com>
15133
15134         * fold-const.c (fold_single_bit_test): Delete unreachable handling
15135         of TRUTH_NOT_EXPR.
15136         (fold): Don't call fold_single_bit_test with a TRUTH_NOT_EXPR, as
15137         all the cases handled by it are inverted by invert_truthvalue.
15138
15139 2005-01-04  Eric Botcazou  <ebotcazou@libertysurf.fr>
15140
15141         * config/sparc/sparc.md (save_register_windowdi): Add missing mode.
15142         (save_register_windowsi): Likewise.
15143
15144 2005-01-04  Richard Henderson  <rth@redhat.com>
15145
15146         * tree-mudflap.c (mf_varname_tree): Fix thinko setting declname.
15147
15148 2005-01-04  Uros Bizjak  <uros@kss-loka.si>
15149
15150         PR middle-end/17767
15151         * cse.c (fold_rtx) [RTX_COMPARE, RTX_COMM_COMPARE]: Don't attempt
15152         any simplifications of vector mode comparison operators.
15153         * simplify-rtx.c (simplify_relational_operation): Fix variable name.
15154
15155 2005-01-04  Paolo Bonzini  <bonzini@gnu.org>
15156             Devang Patel  <dpatel@apple.com>
15157
15158         PR tree-optimization/18308
15159         * tree-if-conv.c (add_to_dst_predicate_list): Gimplify
15160         the operands before creating a new expression.
15161         * dojump.c (do_jump): Make drop_through_label available
15162         for all cases.  Add expansion of COND_EXPR.
15163
15164 2005-01-04  Ira Rosen  <irar@il.ibm.com>
15165
15166         * tree-vectorizer.c (vect_analyze_offset_expr): Test for
15167         INTEGER_CST instead of TREE_CONSTANT.
15168         (vect_gen_niters_for_prolog_loop): Test for INTEGER_CST
15169         instead of TREE_CONSTANT.
15170         (vect_analyze_pointer_ref_access): Test for INTEGER_CST
15171         instead of TREE_CONSTANT.
15172
15173 2005-01-04  Eric Botcazou  <ebotcazou@libertysurf.fr>
15174
15175         * tree-eh.c (replace_goto_queue): Return early if the queue is empty.
15176
15177 2005-01-04  Uros Bizjak  <uros@kss-loka.si>
15178
15179         PR target/19240
15180         * config/i386/i386.md (*fop_df_1_i387): Disable for TARGET_SSE_MATH.
15181         (*fop_df_1_i387): Disable for (TARGET_SSE2 && TARGET_SSE_MATH).
15182
15183 2005-01-03  Richard Henderson  <rth@redhat.com>
15184
15185         * fold-const.c (force_fit_type): Cope with types larger than 2 HWI.
15186         (fold_convert_const_int_from_int, fold_convert_const_int_from_real,
15187         fold_convert_const_real_from_real): Split out from ...
15188         (fold_convert_const): ... here.
15189
15190 2005-01-03  Richard Henderson  <rth@redhat.com>
15191
15192         PR target/19235
15193         * config/i386/i386.md (movdi_2): Separate SSE1 and SSE2 alternatives.
15194         (mov<MMXMODEI>_internal): Likewise.
15195         (movdf_nointeger): Prefer Y while not preferring, but allowing, x.
15196         Add V2SF case; use it for SSE1; don't use TI.
15197         (movdf_integer): Likewise.
15198         (mov<SSEMODEI>_internal, movti_internal): Force V4SF for SSE1.
15199
15200 2005-01-03  Ira Rosen  <irar@il.ibm.com>
15201
15202         * tree-vectorizer.c (vect_strip_conversions): New function.
15203         (vect_analyze_offset_expr): Call vect_strip_conversions. Add
15204         check for binary class.
15205
15206 2005-01-03  Daniel Berlin  <dberlin@dberlin.org>
15207
15208         Fix PR debug/17924
15209         Fix PR debug/19191
15210         * dwarf2out.c (block_ultimate_origin): Follow decl origin if origin
15211         is a decl.
15212         * gimple-low.c (mark_blocks_with_used_vars): New function.
15213         (mark_blocks_with_used_subblocks): Ditto.
15214         (mark_used_blocks): Ditto.
15215         (pass_mark_used_blocks): New pass.
15216         * tree-inline.c: Include debug.h.
15217         (expand_call_inline): Call outlining_inline_function here.
15218         * tree-optimize.c (init_tree_optimization_passes): Add
15219         pass_mark_used_blocks.
15220         * tree-pass.h (pass_mark_used_blocks): New.
15221         * Makefile.in (tree-inline.o): Add debug.h dependency.
15222
15223 2005-01-03  Geoffrey Keating  <geoffk@apple.com>
15224
15225         * config/darwin.c (darwin_handle_weak_import_attribute): Permit
15226         VAR_DECLs to have weak_import attribute.
15227
15228         * config/rs6000/darwin-fallback.c: Use 'ucontext_t' rather than
15229         'struct ucontext'.
15230
15231 2004-01-03  Steven Bosscher  <stevenb@suse.de>
15232
15233         * passes.c (rest_of_compilation): Don't run regmove if only
15234         flag_expensive_optimizations, require flag_regmove instead.
15235
15236 2005-01-03  Eric Botcazou  <ebotcazou@libertysurf.fr>
15237
15238         * config/sparc/litecoff.h (TARGET_OS_CPP_BUILTINS): Do not
15239         register "sparc".
15240         * config/sparc/sysv4-only.h (TARGET_OS_CPP_BUILTINS): Likewise.
15241         * config/sparc/rtemself.h (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
15242         * config/sparc/sol2-64.h (TARGET_SUB_OS_CPP_BUILTINS): Delete.
15243         * config/sparc/sp64-elf.h (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
15244
15245 2005-01-03  Richard Henderson  <rth@redhat.com>
15246
15247         * config/ia64/ia64.c (TARGET_VECTOR_MODE_SUPPORTED_P): New.
15248         (ia64_const_ok_for_letter_p): New.
15249         (ia64_const_double_ok_for_letter_p): New.
15250         (ia64_extra_constraint): New.
15251         (ia64_expand_vecint_compare): New.
15252         (ia64_expand_vcondu_v2si): New.
15253         (ia64_expand_vecint_cmov): New.
15254         (ia64_expand_vecint_minmax): New.
15255         (ia64_print_operand): Add 'v'.
15256         (ia64_preferred_reload_class): New.
15257         (ia64_vector_mode_supported_p): New.
15258         * config/ia64/ia64.h (UNITS_PER_SIMD_WORD): New.
15259         (PREFERRED_RELOAD_CLASS): Move to function.
15260         (CONST_OK_FOR_LETTER_P): Move to function.
15261         (CONST_DOUBLE_OK_FOR_LETTER_P): Move to function.
15262         (CONSTRAINT_OK_FOR_Q, CONSTRAINT_OK_FOR_R): Remove.
15263         (CONSTRAINT_OK_FOR_S, CONSTRAINT_OK_FOR_T): Remove.
15264         (EXTRA_CONSTRAINT): Move to function.
15265         * config/ia64/ia64.md: Include vect.md.
15266         (itanium_class): Add mmalua.
15267         (type): Handle it.
15268         * config/ia64/itanium1.md (1_mmalua): New.  Add it to bypasses.
15269         (1b_mmalua): New.
15270         * config/ia64/itanium2.md (2_mmalua, 2b_mmalua): Similarly.
15271         * config/ia64/predicates.md (gr_reg_or_0_operand): Accept any
15272         CONST0_RTX.
15273         (const_int_2bit_operand): New.
15274         (fr_reg_or_0_operand): New.
15275         * config/ia64/ia64-modes.def: Add vector modes.
15276         * config/ia64/ia64-protos.h: Update.
15277         * config/ia64/vect.md: New file.
15278
15279 2005-01-03  Richard Henderson  <rth@redhat.com>
15280
15281         * simplify-rtx.c (simplify_binary_operation): Handle VEC_CONCAT.
15282
15283 2005-01-03  Uros Bizjak  <uros@kss-loka.si>
15284
15285         PR target/19236
15286         * config/i386/i386.c (log1psf2): Change mode of operands[0,1]
15287         to SFmode.
15288         (log1pdf2): Change mode of operands[0,1] to DFmode.
15289
15290 2005-01-03  Eric Botcazou  <ebotcazou@libertysurf.fr>
15291
15292         * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Define to false.
15293         * config/sparc/linux.h (SPARC_RELAXED_ORDERING): Define to true.
15294         * config/sparc/linux64.h (SPARC_RELAXED_ORDERING): Likewise.
15295         * config/sparc/sparc.c (TARGET_RELAXED_ORDERING): Define to
15296         SPARC_RELAXED_ORDERING.
15297
15298 2005-01-03  Richard Henderson  <rth@redhat.com>
15299             Uros Bizjak  <uros@kss-loka.si>
15300
15301         PR target/14631
15302         * config/i386/i386.c (ix86_expand_builtin): [IX86_BUILTIN_PINSRW,
15303         IX86_BUILTIN_PINSRW128]: Fix wrong selector range in error message.
15304         * config/i386/i386.md (mmx_pinsrw, sse2_pinsrw): Fix selector
15305         handling.
15306         (*mmx_pinsrw, *sse2_pinsrw): New patterns.
15307         * config/i386/i386/predicates.md (const_pow2_1_to_8_operand,
15308         const_pow2_1_to_128_operand): New predicates.
15309
15310 2005-01-02  Greg McGary  <greg@mcgary.org>
15311
15312         * tree-mudflap.c (mf_varname_tree): decl_printable_name handles
15313         anonymous decls.
15314         (mf_xform_derefs_1) [RESULT_DECL, STRING_CST]: Handle as innermost
15315         object.  [ptr_type]: Remove unused variable.
15316         Remember nearest addressable array-element or record-component
15317         when checking bitfield components.  Tolerate empty BIND_EXPR.
15318
15319 2005-01-01  Richard Henderson  <rth@redhat.com>
15320
15321         * tree-vectorizer.c (vect_analyze_offset_expr): Strip conversions
15322         that don't narrow the value.  Fail for other conversions.
15323
15324 2005-01-01  Richard Henderson  <rth@redhat.com>
15325
15326         PR c/19031
15327         * c-decl.c (pop_file_scope): Call maybe_apply_pending_pragma_weaks.
15328         * c-lang.c (finish_file): Don't do it here.
15329         * objc/objc-act.c (objc_finish_file): Likewise.
15330
15331         * cgraph.c (decl_assembler_name_equal): New.
15332         (cgraph_node_for_asm, cgraph_varpool_node_for_asm): New.
15333         (cgraph_varpool_node): Actually link up cgraph_varpool_nodes.
15334         * cgraph.h (struct cgraph_varpool_node): Add next.
15335         (cgraph_node_for_asm, cgraph_varpool_node_for_asm): Declare.
15336         * varasm.c (assemble_alias): Mark the target as needed.
15337
15338 2005-01-01  Andrew Pinski  <pinskia@physics.uc.edu>
15339
15340         PR middle-end/19221
15341         * function.c (get_arg_pointer_save_area): Use entry_of_function
15342         instead of get_insns.
15343
15344 2005-01-01  Roger Sayle  <roger@eyesopen.com>
15345             Andrew Pinski  <pinskia@physics.uc.edu>
15346             James E. Wilson  <wilson@specifixinc.com>
15347
15348         PR rtl-optimization/12092
15349         * loop.c (emit_prefetch_instructions): Do nothing if PREFETCH_BLOCK
15350         is zero.
15351
15352 2005-01-01  Roger Sayle  <roger@eyesopen.com>
15353             Olivier Hainque  <hainque@act-europe.fr>
15354
15355         * tree.c (int_fits_type_p): A narrower type always fits in a
15356         wider one, except for negative values into unsigned types.
15357
15358 2005-01-01  Roger Sayle  <roger@eyesopen.com>
15359
15360         * tree.c (int_fits_type_p): Compare the result of force_fit_type
15361         with the original constant rather than require TREE_OVERFLOW.
15362
15363 2005-01-01  Steven Bosscher  <stevenb@suse.de>
15364
15365         PR middle-end/17544
15366         * c-decl.c (finish_function): If compiling C99, annotate the
15367         compiler generated return with the current file name and line 0.
15368         * tree-cfg.c (remove_useless_stmts_warn_notreached): Only warn if
15369         the source line is greater than 0.
15370         (remove_bb): Likewise.