2005-05-04 Kelley Cook <kcook@gcc.gnu.org>
[official-gcc.git] / gcc / ChangeLog
blob37671990b4e80cb989c1943375b5dec268732332
1 2005-05-04  Kelley Cook  <kcook@gcc.gnu.org>
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>
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}.
41         * config/i386/i386.c (ix86_expand_vector_set): Fix setting 3rd and 4th
42         item in V4SF mode.
44         PR rtl-optimization/21239
45         * combine.c (combine_simplify_rtx) <case VEC_SELECT>: Fix a typo.
47 2005-05-03  Kazu Hirata  <kazu@cs.umass.edu>
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.
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.
61 2005-05-03  Richard Henderson  <rth@redhat.com>
63         * config/rs6000/rs6000.c: Remove conflict markers.
65         * cfg.c (dump_flow_info): Use max_reg_num, not max_regno.
67 2005-05-03  James E Wilson  <wilson@specifixinc.com>
69         * dwarf2out.c (lookup_filename): Call maybe_emit_file.
71 2005-05-03  DJ Delorie  <dj@redhat.com>
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.
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.
92 2005-05-03  Richard Henderson  <rth@redhat.com>
94         * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Fix ALL_REGS and
95         SPEC_OR_GEN_REGS definitions.
97 2005-05-03  Alexandre Oliva  <aoliva@redhat.com>
99         PR target/16888
100         * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Clear reg names
101         for unavailable registers.
103 2005-05-03  Kazu Hirata  <kazu@cs.umass.edu>
105         * tree-cfg.c (tree_forwarder_block_p): Fix a typo.
107         * cfglayout.c (block_locators_blocks,
108         insn_locators_initialize, insn_scope): Use VEC instead of
109         VARRAY.
111         * tree-mudflap.c (deferred_static_decls, mudflap_enqueue_decl,
112         mudflap_finish_file, mudflap_finish_file): Use VEC instead of
113         VARRAY.
115 2005-05-03  Eric Botcazou  <ebotcazou@libertysurf.fr>
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.
128 2005-05-03  Richard Guenther  <rguenth@gcc.gnu.org>
130         * tree-ssa-ccp.c (maybe_fold_stmt_indirect): Use STRIP_TYPE_NOPS
131         rather than STRIP_NOPS.
133 2005-05-03  Jakub Jelinek  <jakub@redhat.com>
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.
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).
145 2005-05-03  Andrew MacLeod  <amacleod@redhat.com>
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.
332 2005-05-03  Nathan Sidwell  <nathan@codesourcery.com>
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.
352 2005-05-03  Uros Bizjak  <uros@kss-loka.si>
354         PR middle-end/21282
355         * convert.c (convert_to_integer): Convert ceil and floor in
356         c99 mode only.
358 2005-04-29  Geoffrey Keating  <geoffk@apple.com>
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.
370 2005-05-02  Diego Novillo  <dnovillo@redhat.com>
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.
380 2005-05-02  Hans-Peter Nilsson  <hp@bitrange.com>
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.
398 2005-05-02  Joseph S. Myers  <joseph@codesourcery.com>
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).
417 2005-05-02  Daniel Jacobowitz  <dan@codesourcery.com>
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.
427 2005-05-02  Daniel Jacobowitz  <dan@codesourcery.com>
429         * calls.c (expand_call): Handle current_function_pretend_args_size
430         when checking for sibcalls.
432 2005-05-02  Kazu Hirata  <kazu@cs.umass.edu>
434         PR tree-optimization/21294
435         * tree-vrp.c (vrp_expr_computes_nonzero): New.
436         (extract_range_from_expr): Call vrp_expr_computes_nonzero.
438 2005-05-02  Janis Johnson  <janis187@us.ibm.com>
440         PR 19985
441         * gcov-io.h: Declare gcov external functions hidden.
443 2005-05-02  Kazu Hirata  <kazu@cs.umass.edu>
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.
450         * tree-ssa-sink.c (nearest_common_dominator_of_uses): Factor
451         out common code.
453 2005-05-02  Paolo Bonzini  <bonzini@gnu.org>
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.
488 2005-05-02  Kazu Hirata  <kazu@cs.umass.edu>
490         * function.c (reorder_blocks, reorder_blocks_1): Use VEC
491         instead of VARRAY.
493 2005-05-02  Nathan Sidwell  <nathan@codesourcery.com>
494             Bernd Schmidt  <bernd.schmidt@analog.com>
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.
503 2005-05-02  Dorit Naishlos  <dorit@il.ibm.com>
505         * doc/passes.texi: Document vectorization pass.
507 2005-05-02  Kazu Hirata  <kazu@cs.umass.edu>
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.
515 2005-05-02  Michael Matz  <matz@suse.de>
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.
528 2005-05-01  Kazu Hirata  <kazu@cs.umass.edu>
530         * gimplify.c (gimplify_compound_lval): Use VEC instead of
531         VARRAY.
533         * global.c (calculate_reg_pav): Use VEC instead of VARRAY.
535         * dwarf2out.c (decl_scope_table, push_decl_scope,
536         pop_decl_scope, scope_die_for, dwarf2out_init): Use VEC
537         instead of VARRAY.
539 2005-05-01  Mark Mitchell  <mark@codesourcery.com>
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.
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.
552 2005-05-01  Kazu Hirata  <kazu@cs.umass.edu>
554         * tree-ssa-loop-ivopts.c: Fix a comment typo.
556 2005-01-05  Paul Brook  <paul@codesourcery.com>
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.
564 2005-05-01  Gerald Pfeifer  <gerald@pfeifer.com>
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.
570 2005-05-01  Zdenek Dvorak  <dvorakz@suse.cz>
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.
612 2005-04-30  Michael Matz  <matz@suse.de>
614         * config/i386/i386.md (movmemsi): Also active when
615         TARGET_INLINE_ALL_STRINGOPS.
617 2005-04-30  Eric Botcazou  <ebotcazou@libertysurf.fr>
619         PR bootstrap/20633
620         * config/freebsd-spec.h (FBSD_CPP_SPEC): Add %(cpp_arch).
622 2005-04-30  Paul Brook  <paul@codesourcery.com>
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.
631 2005-04-30  Kazu Hirata  <kazu@cs.umass.edu>
633         * tree-ssanames.c: Fix a comment typo.
634         * doc/options.texi: Fix a typo.
636 2005-04-30  Nathan Sidwell  <nathan@codesourcery.com>
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.
654 2005-04-30  Kazu Hirata  <kazu@cs.umass.edu>
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.
662 2005-04-29  Richard Henderson  <rth@redhat.com>
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.
674 2005-04-29  Richard Henderson  <rth@redhat.com>
675             Daniel Jacobowitz  <dan@codesourcery.com>
677         * gengtype.c (write_func_for_structure): Split out ...
678         (output_type_enum): ... new function.  Fix thinko accessing
679         TYPE_PARAM_STRUCT data.
681 2005-04-29  Tom Tromey  <tromey@redhat.com>
683         * tree.c (build_block): Removed unused 'tags' argument.
684         * tree.h (build_block): Removed argument.
686 2005-04-29  Michael Matz  <matz@suse.de>
688         PR rtl-optimization/21144
689         * postreload.c (reload_cse_move2add): Check for VOIDmode.
691 2005-04-29  Bob Wilson  <bob.wilson@acm.org>
693         * config/xtensa/xtensa.h (OPTIMIZATION_OPTIONS): Define to disable
694         flag_reorder_blocks.
696 2005-04-28  Kazu Hirata  <kazu@cs.umass.edu>
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.
702 2005-04-29  Devang Patel  <dpatel@apple.com>
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>
710         * tree-flow-inline.h: Fix a comment typo.
711         * doc/tree-ssa.texi: Fix a typo.
713         * tree-flow-inline.h, tree-ssa-operands.c: Fix comment typos.
715 2005-04-29  Nathan Sidwell  <nathan@codesourcery.com>
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.
723 2005-04-29  Mark Mitchell  <mark@codesourcery.com>
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.
731 2005-04-29  Jim Tison  <jtison@us.ibm.com>
733         * config/s390/s390.md ("prologue_tpf", "epilogue_tpf"): Alter
734         trace hooks calls to improve performance.
736 2005-04-29  Julian Brown  <julian@codesourcery.com>
737             Mark Mitchell  <mark@codesourcery.com>
738             Paul Brook  <paul@codesourcery.com>
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.  
762 2005-04-29  Nathan Sidwell  <nathan@codesourcery.com>
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.
778 2005-04-29  Nathan Sidwell  <nathan@codesourcery.com>
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.
793 2005-04-28  James E Wilson  <wilson@specifixinc.com>
795         * config/i386/i386.h (HI_REGISTER_NAMES): Fix typos in comment.
796         (ADDITIONAL_REGISTER_NAMES): Delete obsolete mmx register entries.
798 2005-04-28  DJ Delorie  <dj@redhat.com>
800         * opt-functions.awk (var_set): Emit proper initializer for
801         non-target bitfields.
803 2005-04-28  Devang Patel  <dpatel@apple.com>
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>
811         * doc/install.texi: Update -enable-languages info.  Correct path to
812         html docs.
814 2005-04-28  DJ Delorie  <dj@redhat.com>
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.
823 2005-04-28  Martin Koegler <mkoegler@auto.tuwien.ac.at>
825         PR rtl-optimization/18877
826         * reload.c (decompose) <case REG, case SUBREG>: Handle pseudo reg
827         number in val.start.
829 2005-04-28  David Edelsohn  <edelsohn@gnu.org>
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.
838 2005-04-28  Richard Earnshaw  <richard.earnshaw@arm.com>
840         * arm.c (legitimize_pic_address): Fix sense of assertion test for
841         creating pseudos when the base offset is too large.
843 2005-04-28  Kazu Hirata  <kazu@cs.umass.edu>
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.
852 2005-04-28  Nathan Sidwell  <nathan@codesourcery.com>
854         * tree-ssa-alias.c (push_fields_onto_fieldstack): Remove bogus
855         assert.
857 2005-04-28  Kazu Hirata  <kazu@cs.umass.edu>
859         * modulo-sched.c, tree-stdarg.c: Use targetm.foo instead of
860         (*targetm.foo).
862         * config.gcc: Obsolete c4x-* and tic4x-*.
864         * tree.h (edge_def): Remove.
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.
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.
903 2005-04-28  Joseph S. Myers  <joseph@codesourcery.com>
905         * c-typeck.c (build_compound_expr): Correct logic in last change.
907 2005-04-27  James E. Wilson  <wilson@specifixinc.com>
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.
921 2005-04-27  Mike Stump  <mrs@apple.com>
923         * doc/cpp.texi: gcc now implements universal character names.
925 2005-04-27  Joseph S. Myers  <joseph@codesourcery.com>
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.
931 2005-04-27  Caroline Tice  <ctice@apple.com>
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>
1002         * tree-ssa-propagate.c (set_rhs): Revert last change.
1004 2005-04-27  Steve Ellcey  <sje@cup.hp.com>
1006         * explow.c (convert_memory_address): Add gcc_assert.
1008 2005-04-27  Mark Mitchell  <mark@codesourcery.com>
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.
1019 2005-04-27  Richard Guenther  <rguenth@gcc.gnu.org>
1021         * fold-const.c (fold_binary): Use build_fold_addr_expr
1022         for address calculation and INDIRECT_REF handling.
1024 2005-04-27  Andrew Haley  <aph@redhat.com>
1026         * postreload-gcse.c (hash_scan_set): Remove bogus assertion.
1028 2005-04-27  Nathan Sidwell  <nathan@codesourcery.com>
1030         * config/arm/arm.h (CONDITIONAL_REGISTER_USAGE): Reserve arm frame
1031         pointer when thumb backtracing is on.
1033         * config/fp-bit.c (abort): Revert change.
1035 2005-04-27  Ian Lance Taylor  <ian@airs.com>
1037         * c-semantics.c (add_stmt): Don't test STATEMENT_CODE_P.
1039 2005-04-27  Kazu Hirata  <kazu@cs.umass.edu>
1041         * tree-ssa-dce.c: Fix a comment typo.
1043 2005-04-27  David S. Miller  <davem@davemloft.net>
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>
1056         * config/fp-bit.c (abort): Add noreturn attribute.
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.
1064 2005-04-27  Paolo Bonzini  <bonzini@gnu.org>
1066         * tree-complex.c (expand_vector_operations_1): Do not build
1067         VIEW_CONVERT_EXPR's for the lhs.
1069 2005-04-27  Nathan Sidwell  <nathan@codesourcery.com>
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.
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.
1115 2005-04-27  Kazu Hirata  <kazu@cs.umass.edu>
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.
1125         * dojump.c, emit-rtl.c, expmed.c, expr.c, stmt.c, stor-layout.c:
1126         Use fold_buildN instead of fold (buildN (...)).
1128 2005-04-27  Devang Patel <dpatel@apple.com>
1130         * dbxout.c (dbxout_type): Check use_gnu_debug_info_extensions.
1132 2005-04-27  Matt Thomas <matt@3am-software.com>
1133             Jan-Benedict Glaw <jbglaw@microdata-pos.de>
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 \.
1142 2005-04-27  Richard Guenther  <rguenth@gcc.gnu.org>
1144         * tree-ssa-propagate.c (set_rhs): Check operand of
1145         ADDR_EXPR for gimpliness, too.
1147 2005-04-27  Kazu Hirata  <kazu@cs.umass.edu>
1149         * tree-ssa-pre.c: Fix a comment typo.
1151 2005-04-27  Zdenek Dvorak  <dvorakz@suse.cz>
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.
1157 2004-04-27  Paolo Bonzini  <bonzini@gnu.org>
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.
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.
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.
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.
1190         * doc/tm.texi (UNITS_PER_WORD): Rephrase more accurately.
1191         (UNITS_PER_SIMD_WORD): New.
1193 2005-04-27  Nathan Sidwell  <nathan@codesourcery.com>
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.
1216 2005-04-27  Matt Thomas <matt@3am-software.com>
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.
1253 2005-04-27  Kazu Hirata  <kazu@cs.umass.edu>
1255         * tree.h (phi_arg_d): Expand a comment in phi_arg_d.
1257 2005-04-27  Joseph S. Myers  <joseph@codesourcery.com>
1259         PR c/21213
1260         * c-decl.c (finish_struct): Don't dereference NULL TYPE_FIELDS of
1261         transparent union.
1263 2005-04-27  Joseph S. Myers  <joseph@codesourcery.com>
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.
1273 2005-04-26  Kazu Hirata  <kazu@cs.umass.edu>
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.
1282         * tree.h (tree_phi_node): Add a comment about the order of PHI
1283         arguments.
1285 2005-04-26  Paul Brook  <paul@codesourcery.com>
1287         * config/arm/arm.md (thumb_mulsi3): Use two-operand assembly form.
1289 2005-04-26  Nathan Sidwell  <nathan@codesourcery.com>
1291         * config/mips.mips.c (mips_legitimize_tls_address): Use
1292         gcc_unreachable.
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.
1298         * config/sparc/sparc.h (enum reg_class): Reword comment to avoid
1299         'abort'.
1301 2005-04-26  Jeff Law  <law@redhat.com>
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.
1313 2005-04-26  Andrew MacLeod  <amacleod@redhat.com>
1315         * tree-cfg.c (bsi_replace): Delink immediate uses for the original
1316         stmt.
1318 2005-04-26  Kazu Hirata  <kazu@cs.umass.edu>
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.
1323 2004-04-26  Richard Guenther  <rguenth@gcc.gnu.org>
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.
1330 2005-04-26  Julian Brown  <julian@codesourcery.com>
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.
1346 2005-04-26  Kazu Hirata  <kazu@cs.umass.edu>
1348         * basic-block.h (ei_cond): New.
1349         (FOR_EACH_EDGE): Call ei_cond.
1351         PR tree-optimization/21047
1352         * fold-const.c (fold_binary): Abort on ASSERT_EXPR.
1353         (fold): Don't handle ASSERT_EXPR.
1355 2005-04-25  Roger Sayle  <roger@eyesopen.com>
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.
1362 2005-04-25  Richard Henderson  <rth@redhat.com>
1364         * final.c (output_addr_const): Revert 2005-04-09 change.
1366 2005-04-25  Mike Stump  <mrs@apple.com>
1368         * config/darwin.c (darwin_encode_section_info): Always set
1369         MACHO_SYMBOL_STATIC for all ! TREE_PUBLIC symbols.
1371 2005-04-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
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'.
1377 2005-04-25  Devang Patel <dpatel@apple.com>
1379         * dbxout.c (dbxout_type): Emit attribute vector.
1380         
1381 2005-04-05  Paul Brook  <paul@codesourcery.com>
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.
1391 2005-04-25  Ian Lance Taylor  <ian@airs.com>
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.
1403 2005-04-25  Jan Hubicka  <jh@suse.cz>
1405         * tree-cfg.c (tree_duplicate_bb): Duplicate EH region too.
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.
1416 2005-04-25  Nathan Sidwell  <nathan@codesourcery.com>
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.
1426 2005-04-25  Joseph S. Myers  <joseph@codesourcery.com>
1428         * doc/invoke.texi (Blackfin Options): Avoid empty @opindex line.
1430 2005-04-25  Joseph S. Myers  <joseph@codesourcery.com>
1432         PR bootstrap/21215
1433         * doc/install.texi: Document correct assembler and linker to use
1434         on i?86-*-solaris2.10.
1436 2005-04-25  Steven Bosscher  <stevenb@suse.de>
1438         Fix PR tree-optimization/21173
1440         * tree-ssa-pre.c (create_expression_by_pieces): Simplify code.
1441         Unshare expression we pass to force_gimple_operand.
1443 2005-04-25  J"orn Rennecke <joern.rennecke@st.com>
1444             Stephen Clarke <stevec@superh.com>
1445             Roger Sayle <roger@eyesopen.com>
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.
1456 2005-04-25  Ralf Corsepius  <ralf.corsepius@rtems.org>
1458         * config.gcc (avr-*-*): Remove redundant "case".
1460 2005-04-25  Kazu Hirata  <kazu@cs.umass.edu>
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.
1467 2005-04-24  Devang Patel  <dpatel@apple.com>
1469         *  config/rs6000/darwin.h (ASM_OUTPUT_MAX_SKIP_ALIGN): New.
1470         
1471 2005-04-24  Ian Lance Taylor  <ian@airs.com>
1473         * c-semantics.c (build_stmt): Remove test of specific tree codes
1474         for TREE_SIDE_EFFECTS handling.
1476 2005-04-24  Per Bothner  <per@bothner.com>
1478         * c-opts.c (finish_options):  Make the line-number of the <built-in>
1479         location 0, as assumed elsewhere, rather than 1.
1481 2005-04-24  Kazu Hirata  <kazu@cs.umass.edu>
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.
1488 2005-04-24  Richard Henderson  <rth@redhat.com>
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.
1498 2005-04-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
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.
1509 2005-04-24  Jakub Jelinek  <jakub@redhat.com>
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.
1517 2005-04-24  Kazu Hirata  <kazu@cs.umass.edu>
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.
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.
1535 2005-04-24  Andrew Pinski  <pinskia@physics.uc.edu>
1537         * tree.h (TREE_THIS_VOLATILE): Document the effect on a
1538         function decl.
1540 2005-04-24  Nathan Sidwell  <nathan@codesourcery.com>
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.
1577 2005-04-24  Richard Henderson  <rth@redhat.com>
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.
1585 2005-04-24  Ralf Corsepius  <ralf.corsepius@rtems.org>
1587         * config.gcc (h8300-*-rtems*): Add h8300-*-rtemscoff*.
1588         Switch h8300-*-rtems* to ELF.
1590 2005-04-24  Kazu Hirata  <kazu@cs.umass.edu>
1592         * vec.h (VEC_safe_grow): Replace grow with safe_grow.
1594 2005-04-23  Kazu Hirata  <kazu@cs.umass.edu>
1596         * ipa-inline.c, tree-ssa-operands.h: Fix comment typos.
1598 2005-04-23  Richard Guenther  <rguenth@gcc.gnu.org>
1600         PR middle-end/21082
1601         * fold-const.c: Fold &a[i]-&a[j] to i-j.
1603 2005-04-23  Zdenek Dvorak  <dvorakz@suse.cz>
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.
1610 2005-04-23  Zdenek Dvorak  <dvorakz@suse.cz>
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.
1624 2005-04-23  DJ Delorie  <dj@redhat.com>
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.
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.
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>
1661         PR rtl-opt/21102
1662         * simplify-rtx.c (simplify_binary_operation): Fix mode check before
1663         performing some integral scalar simplifications.
1665 2005-04-23  Richard Henderson  <rth@redhat.com>
1667         PR target/21099
1668         * config/i386/i386.c (ix86_split_to_parts): Use proper mode when
1669         simplifying CONST_VECTOR.
1671 2005-04-23  Kazu Hirata  <kazu@cs.umass.edu>
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.
1677         * tree-ssa-live.c (build_tree_conflict_graph): Allocate
1678         partition_link and tpa_nodes on heap.
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.
1687 2005-04-23  Mike Stump  <mrs@apple.com>
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         "_".
1694 2005-04-23  Kazu Hirata  <kazu@cs.umass.edu>
1696         * final.c, ipa-inline.c, varasm.c: Fix comment typos.
1698 2005-04-23  Hans-Peter Nilsson  <hp@axis.com>
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_*.
1735 2005-04-23  Nathan Sidwell  <nathan@codesourcery.com>
1737         * haifa-sched.c (schedule_block): Fix thinko in previous
1738         assertification patch.
1740 2005-04-23  Richard Sandiford  <rsandifo@redhat.com>
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.
1789 2005-04-22  David S. Miller  <davem@davemloft.net>
1791         * rtl.h (CONST_DOUBLE): Fix comment, a CONST_DOUBLE holds an
1792         integer when it's mode is VOIDmode not DImode.
1794 2005-04-22  Geoffrey Keating  <geoffk@apple.com>
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.
1807 2005-04-23  Kazu Hirata  <kazu@cs.umass.edu>
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.
1818         * tree-ssa-dom.c: Fix formatting.
1820 2005-04-22  Diego Novillo  <dnovillo@redhat.com>
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.
1924 2005-04-22  Diego Novillo  <dnovillo@redhat.com>
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.
1974 2005-04-22  Jeff Law  <law@redhat.com>
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.
1994 2005-04-22  David S. Miller  <davem@davemloft.net>
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.
2002 2005-04-22  Nathan Sidwell  <nathan@codesourcery.com>
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
2035 2005-04-22 David Edelsohn  <edelsohn@gnu.org>
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.
2045 2005-04-22  Nathan Sidwell  <nathan@codesourcery.com>
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.
2058 2005-04-22  Eric Botcazou  <ebotcazou@libertysurf.fr>
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.
2069 2005-04-22  Nathan Sidwell  <nathan@codesourcery.com>
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.
2084 2005-04-22  Zdenek Dvorak  <dvorakz@suse.cz>
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.
2127 2005-04-22  Joseph S. Myers  <joseph@codesourcery.com>
2129         * varasm.c (do_assemble_alias): Return early if TREE_ASM_WRITTEN
2130         (decl).
2132 2005-04-22  Nathan Sidwell  <nathan@codesourcery.com>
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.
2158 2005-04-22  Jan Hubicka  <jh@suse.cz>
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.
2180 2005-04-22  Eric Botcazou  <ebotcazou@libertysurf.fr>
2182         * doc/invoke.texi (SPARC options): Document that -mapp-regs
2183         is turned off by default on Solaris.
2185 2005-04-21  Roger Sayle  <roger@eyesopen.com>
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.
2194 2005-04-21  Geoffrey Keating  <geoffk@apple.com>
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.
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.
2224 2005-04-21  Nathan Sidwell  <nathan@codesourcery.com>
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.
2259         * tree-ssa-operands.c (verify_abort): Fold into ..
2260         (verify_imm_links): ... here.
2262 2005-04-21  Richard Henderson  <rth@redhat.com>
2264         * config/alpha/sync.md (sync_new_nand<I48MODE>): Fix constraints
2265         on non-memory operand for previous inversion.
2267 2005-04-21  Devang Patel  <dpatel@apple.com>
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>
2276         * optabs.c (gen_conditional_trap): Restore #define.
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.
2316 2005-04-21 Alan Modra  <amodra@bigpond.net.au>
2317            Fariborz Jahanian <fjahanian@apple.com>
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.
2324 2005-04-21  Kazu Hirata  <kazu@cs.umass.edu>
2326         * config/sparc/predicates.md, config/sparc/sparc.md: Fix
2327         comment typos.
2329 2005-04-21  Jan Hubicka  <jh@suse.cz>
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
2347 2005-04-21  Nathan Sidwell  <nathan@codesourcery.com>
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.
2380 2005-04-21  Nathan Sidwell  <nathan@codesourcery.com>
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.
2396 2005-04-21  Nathan Sidwell  <nathan@codesourcery.com>
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.
2485 2005-04-21  Sebastian Pop  <pop@cri.ensmp.fr>
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.
2502 2005-04-21  Richard Sandiford  <rsandifo@redhat.com>
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.
2570 2005-04-21  Eric Botcazou  <ebotcazou@libertysurf.fr>
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.
2635 2005-04-21  Kazu Hirata  <kazu@cs.umass.edu>
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.
2644 2005-04-20  James E Wilson  <wilson@specifixinc.com>
2646         PR c++/20805
2647         * dwarf2out.c (gen_variable_die): Don't emit a specification if this
2648         is another declaration.
2650 2005-04-21  Hans-Peter Nilsson  <hp@axis.com>
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.
2672 2005-04-20  Ian Lance Taylor  <ian@airs.com>
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.
2681 2005-04-20  Richard Henderson  <rth@redhat.com>
2683         PR target/21100
2684         * config/i386/mmx.md (push<MMXMODE>1): Fix predicate thinko.
2686 2005-04-20  Jeff Law  <law@redhat.com>
2688         * reload1.c (reload): Ignore equivalences between pseudos and
2689         read only memory.
2691 2005-04-20  Joseph S. Myers  <joseph@codesourcery.com>
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.
2725 2005-04-20  Kazu Hirata  <kazu@cs.umass.edu>
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.
2735         * tree-ssa-phiopt.c: Fix comments.
2737 2005-04-20  Michael Matz  <matz@suse.de>
2739         PR20973
2740         * reload.c (push_reload, find_dummy_reload): Check for uninitialized
2741         pseudos.
2743 2005-04-20  Kazu Hirata  <kazu@cs.umass.edu>
2745         * tree-ssa-phiopt.c: Fix comment typos.
2747         PR tree-optimization/21116
2748         * tree-ssa-phiopt.c: Fix a typo.
2750 2005-04-19  Richard Henderson  <rth@redhat.com>
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.
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.
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.
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.
2785 2005-04-19  James A. Morrison  <phython@gcc.gnu.org>
2787         * fold-const.c (fold_binary): Fold ~(X ^ Y) to ~X ^ Y or X ^ ~Y if
2788         ~X or ~Y simplify.
2790 2005-04-19  James A. Morrison  <phython@gcc.gnu.org>
2792         * fold-const (fold_binary):  Fold ~X ^ ~ Y to X ^ Y.
2794 2005-04-20  Michael Pogue  <michael.pogue@sun.com>
2795             Joseph S. Myers  <joseph@codesourcery.com>
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.
2801 2005-04-20  Kazu Hirata  <kazu@cs.umass.edu>
2803         * tree-ssa-phiopt.c: Update a comment about the pass.
2805 2005-04-19  Kazu Hirata  <kazu@cs.umass.edu>
2807         * tree-ssa-phiopt.c, config/arm/arm.c, config/fr30/fr30.md,
2808         config/mcore/mcore.c: Fix comment typos.
2810 2005-04-19  Daniel Jacobowitz  <dan@codesourcery.com>
2812         * Makefile.in (libgcc.mk): Pass GCC_FOR_TARGET.
2813         * mklibgcc.in: Use $GCC_FOR_TARGET instead of ./xgcc.
2815 2005-04-19  Paul Brook  <paul@codesourcery.com>
2817         * config/arm/arm.c (arm_init_libfuncs): Clear mod optabs. 
2819 2005-04-19  Andrew Haley  <aph@redhat.com>
2821         PR java/21022
2822         * dbxout.c (dbxout_type_fields): Check DECL_IGNORED_P before
2823         looking at a field's bitpos.
2825 2005-04-19  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2827         * system.h (fopen, fdopen, freopen): Define these to the unlocked
2828         libiberty functions.
2830 2005-04-19  Kazu Hirata  <kazu@cs.umass.edu>
2832         PR tree-optimization/21096
2833         * tree-ssa-copy.c (fini_copy_prop): Free cached_last_copy_of.
2835 2005-04-19  Alan Modra  <amodra@bigpond.net.au>
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.
2841 2005-04-19  Alexandre Oliva  <aoliva@redhat.com>
2843         * tree-cfg.c (dump_function_to_file): Use cfun info only if it
2844         refers to the function being dumped.
2846 2005-04-18  Daniel Jacobowitz  <dan@codesourcery.com>
2848         * varasm.c (assemble_start_function): Remove reset of in_section.
2850 2005-04-18  James A. Morrison  <phython@gcc.gnu.org>
2852         PR tree-optimization/21085
2853         * fold-const (fold_binary): Don't change X % -C to X % C if C has
2854         overflowed.
2856 2005-04-19  Ben Elliston  <bje@au.ibm.com>
2858         * doc/invoke.texi (Optimize Options): Refer to the correct
2859         optimisation flag -ftree-dominator-opts, not -ftree-dom.
2861 2005-04-18  Christopher Jaillet <christophe.jaillet@wanadoo.fr>
2863         * config/rs6000/rs6000.c (machopic_output_stub):  Increase
2864         alloca argument to be big enough.
2866 2005-04-18  Alexandre Oliva  <aoliva@redhat.com>
2868         PR middle-end/21049
2869         * tree-cfg.c (dump_function_to_file): Do not crash if cfun or
2870         cfun->cfg are NULL.
2872 2005-04-18  Tom Tromey  <tromey@redhat.com>
2874         * cgraphunit.c (cgraph_finalize_compilation_unit): Fix a comment
2875         typo.
2877 2005-04-18  Richard Henderson  <rth@redhat.com>
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.
2897 2005-04-18  Richard Henderson  <rth@redhat.com>
2899         * builtins.c (expand_builtin_sync_operation): Fold nand to and
2900         for constants.
2902         * optabs.c (expand_sync_operation): Fix typo expanding nand to and.
2904 2005-04-18  Devang Patel  <dpatel@apple.com>
2906         * config/rs6000/atlivec.md (mulv4si3): New pattern.
2907         
2908 2005-04-18  James A. Morrison  <phython@gcc.gnu.org>
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.
2914 2005-04-18  James A. Morrison  <phython@gcc.gnu.org>
2916         * config/ia64/unwind-ia64.c (emergency_reg_state_free): Make an
2917         unsigned int.
2918         (emergency_labeled_state_free): Likewise.
2920 2005-04-18  Nick Clifton  <nickc@redhat.com>
2922         * config/h8300/h8300.md (jump): Remove prescan parameter from
2923         calls to final_scan_insn.
2925         * config/arc/arc.c (arc_output_function_epilogue): Remove prescan
2926         parameter from calls to final_scan_insn.
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.
2933 2005-04-18  Kazu Hirata  <kazu@cs.umass.edu>
2935         PR tree-optimization/21001
2936         * tree-optimize.c (init_tree_optimization_passes): Move the
2937         first pass_forwprop immediately before pass_vrp.
2939 2005-04-17  Ian Lance Taylor  <ian@airs.com>
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.
2953 2005-04-17  Ian Lance Taylor  <ian@airs.com>
2955         * system.h: Poison DONT_ACCESS_GBLS_AFTER_EPILOGUE.
2957 2005-04-17  Richard Henderson  <rth@redhat.com>
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.
2968 2005-04-17  Kazu Hirata  <kazu@cs.umass.edu>
2970         * tree-vrp.c (compare_values): Check that VAL1 and VAL2 are
2971         both pointers or both integers.
2973         * tree-vrp.c (maybe_add_assert_expr): Don't assert
2974         ASSERT_EXPRs for single-use variable.
2976         * tree-into-ssa.c: Fix a comment typo.
2978 2005-04-17  Richard Sandiford  <rsandifo@redhat.com>
2980         * config/mips/iris6.h (DRIVER_SELF_SPECS): Check -march as well as
2981         -mipsN before forcing a default of -mips2.
2983 2005-04-17  Kazu Hirata  <kazu@cs.umass.edu>
2985         * predict.h (IS_TAKEN): Remove.
2986         * rtl.h (NOTE_PREDICTION): Likewise.
2988         * modulo-sched.c (CFG_HOOKS): Remove.
2990         * c-parser.c (N_C_TTYPES): Remove.
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.
3000 2005-04-17  Richard Henderson  <rth@redhat.com>
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.
3008 2005-04-17  Kazu Hirata  <kazu@cs.umass.edu>
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.
3018         * c-lex.c (WCHAR_TYPE_SIZE, WCHAR_BYTES): Remove.
3020 2005-04-16  Richard Henderson  <rth@redhat.com>
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.
3027 2005-04-16  Alexandre Oliva  <aoliva@redhat.com>
3029         PR target/20126
3030         * loop.c (loop_givs_rescan): Handle non-replaceable (plus (reg)
3031         (const)).
3033         * tree-scalar-evolution.c (interpret_rhs_modify_expr): Fix typo in
3034         comment.
3036 2005-04-16  Roger Sayle  <roger@eyesopen.com>
3037             Steven Bosscher  <stevenb@suse.de>
3039         * fold-const.c (fold_binary_to_constant): Delete obsolete comment.
3040         (fold_unary_to_constant): Likewise.
3042 2005-04-16  Kazu Hirata  <kazu@cs.umass.edu>
3044         * basic-block.h: Adjust the value of PROP_SCAN_DEAD_STORES,
3045         PROP_ASM_SCAN.
3047 2005-04-16  Gerald Pfeifer  <gerald@pfeifer.com>
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.
3054 2005-04-16  Joseph S. Myers  <joseph@codesourcery.com>
3056         PR middle-end/20491
3057         * config/ia64/ia64.c (rtx_needs_barrier): Recurse instead of
3058         falling through from SUBREG case to REG.
3060 2005-04-15  Roger Sayle  <roger@eyesopen.com>
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.
3067 2005-04-15  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
3069         * gthr-posix.c (pthread_cancel): Define.
3070         (pthread_mutexattr_init): Likewise.
3071         (pthread_mutexattr_settype): Likewise.
3072         (pthread_mutexattr_destroy): Likewise.
3074 2005-04-15  David S. Miller  <davem@davemloft.net>
3076         PR target/20673
3077         * config/sparc/sparc.h (sparc_hard_reg_printed): Mark as GTY(()).
3079 2005-04-15  Kazu Hirata  <kazu@cs.umass.edu>
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.
3086 2005-04-15  Dave Korn  <dave.korn@artimi.com>
3088         * gcc.c (default_compilers): Clarify obscure error message when
3089         reading from standard input.
3091 2005-04-15  Kazu Hirata  <kazu@cs.umass.edu>
3093         * basic-block.h (PROP_EQUAL_NOTES): Remove.
3094         * flow.c (propagate_one_insn): Don't use PROP_EQUAL_NOTES.
3096         * tree-ssa-alias.c (init_alias_info): Remove a call to
3097         get_stmt_operands.
3099 2005-04-15  Andrew MacLeod  <amacleod@redhat.com>
3101         * tree-vect-analyze.c (vect_stmt_relevant_p): Process immediate uses
3102         of non-virtual PHI nodes like we use to.
3104 2005-05-15  Paolo Bonzini  <bonzini@gnu.org>
3106         * genattrtab.c (ATTR_EQ_ATTR_P): Remove.
3107         (attr_copy_rtx): Do not use it.
3109 2005-04-15  Andrew Macleod  <amacleod@redhat.com>
3111         * doc/tree-ssa.texi: Grammer/abbreviation updates.
3113 2005-04-15  Diego Novillo  <dnovillo@redhat.com>
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.
3119 2005-04-14  Daniel Berlin <dberlin@dberlin.org>
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.
3126 2005-04-15  David Edelsohn  <edelsohn@gnu.org>
3128         * doc/install.texi (*-ibm-aix*): Add comment about system limits.
3130 2005-04-15  Kazu Hirata  <kazu@cs.umass.edu>
3132         PR tree-optimization/20936.
3133         * tree-ssa-ccp.c (visit_assignment): Fix a typo.
3135 2005-04-15  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
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.
3143 2005-04-15  Uros Bizjak  <uros@kss-loka.si>
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.
3151 2005-04-15  Kazu Hirata  <kazu@cs.umass.edu>
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.
3163 2005-04-15  Alexandre Oliva  <aoliva@redhat.com>
3165         PR middle-end/20739
3166         * gimplify.c (gimplify_addr_expr): Compensate for removal of
3167         e.g. cv-qualification conversions.
3169 2005-04-14  Mike Stump  <mrs@apple.com>
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.
3175 2005-04-14  Kazu Hirata  <kazu@cs.umass.edu>
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.
3181 2004-04-14  Richard Henderson  <rth@redhat.com>
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.
3201         * config/ia64/ia64intrin.h: Define nothing for C; limit #defines
3202         to c++.  Remove __sync* declarations.  s/_si/_4/.  s/_di/_8/.
3204 2004-04-14  Richard Henderson  <rth@redhat.com>
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.
3219 2004-04-14  Richard Henderson  <rth@redhat.com>
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.
3305 2005-04-14  Alexandre Oliva  <aoliva@redhat.com>
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.
3312 2005-04-14  Richard Henderson  <rth@redhat.com>
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.
3323 2005-04-14  Joseph S. Myers  <joseph@codesourcery.com>
3325         * doc/cpp.texi, doc/install.texi: Change references to GCC 3.5 to
3326         refer to 4.0.
3328 2005-04-14  Julian Brown  <julian@codesourcery.com>
3330         * Revert elfos.h part of my patch from 2005-04-13 for causing libstdc++
3331         link failures on ppc64 Linux.
3333 2005-04-14  Andreas Krebbel  <krebbel1@de.ibm.com>
3335         * config.gcc: Set cpu_type for s390.
3337 2005-04-14  Daniel Berlin  <dberlin@dberlin.org>
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.
3345 2005-04-14  Hans-Peter Nilsson  <hp@axis.com>
3347         * config/cris/cris.md: Replace references to (reg:SI 16) with
3348         (reg:SI CRIS_SRP_REGNUM).
3350 2005-04-14  Kazu Hirata  <kazu@cs.umass.edu>
3352         PR tree-optimization/20657
3353         * tree-vrp.c (extract_range_from_expr): Notice INTEGER_CST to
3354         create an appropriate range from it.
3356 2005-04-14  Uros Bizjak  <uros@kss-loka.si>
3358         * reg-stack.c (subst_stack_regs_pat): Handle <UNSPEC_FIST_FLOOR> and
3359         <UNSPEC_FIST_CEIL> case.
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.
3373 2005-04-14  Uros Bizjak  <uros@kss-loka.si>
3375         * convert.c (convert_to_integer): Convert (long int)trunc{,f,l},
3376         and (long long int)ceil{,f,l} into FIX_TRUNC_EXPR.
3378 2005-04-14  Ulrich Weigand  <uweigand@de.ibm.com>
3380         PR target/20927
3381         * config/s390/s390-modes.def: Define TFmode.
3383 2005-04-13  Richard Sandiford  <rsandifo@redhat.com>
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.
3390 2005-04-13 Fariborz Jahanian <fjahanian@apple.com>
3392         * simplify-rtx.c (simplify_binary_operation_1): Return
3393         scalar or vector of constant 0, depending on the xor's
3394         mode.
3396 2005-04-13  Dale Johannesen  <dalej@apple.com>
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.
3406 2005-04-13  Devang Patel  <dpatel@apple.com>
3408         * tree-if-conv.c (tree_if_convert_cond_expr): Do not create extra
3409         temp variables.
3411 2005-04-13  Hans-Peter Nilsson  <hp@axis.com>
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.
3444         * config/cris/cris.md ("epilogue"): Conditionalize on
3445         TARGET_PROLOGUE_EPILOGUE.
3447 2005-04-13  Steve Ellcey  <sje@cup.hp.com>
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.
3458 2005-04-13  Kazu Hirata  <kazu@cs.umass.edu>
3460         PR tree-optimization/20913
3461         * tree-ssa-copy.c (copy_prop_visit_cond_stmt): Fold COND_EXPR.
3463         PR tree-optimization/20702
3464         * tree-vrp.c (maybe_add_assert_expr): Recurse into
3465         dominator children that haven't been walked into.
3467 2005-04-13  Julian Brown  <julian@codesourcery.com>
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.
3473 2005-04-13  Kazu Hirata  <kazu@cs.umass.edu>
3475         * basic-block.h, tree-ssa-uncprop.c, varasm.c,
3476         config/i386/sse.md: Fix comment typos.
3478         * genattrtab.c (NULL_ATTR): Remove.
3479         * ifcvt.c (NULL_EDGE): Likewise.
3481         * rtl.h (RTX_EXPR_FIRST, RTX_EXPR_LAST): Remove.
3483         * rtl.h (NOTE_PREDICTION_ALG, NOTE_PREDICTION_FLAGS,
3484         NOTE_PREDICT): Remove.
3486 2005-04-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
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.
3493 2005-04-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
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.
3529 2005-04-13  Bernd Schmidt  <bernd.schmidt@analog.com>
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).
3536 2005-04-13  Matt Thomas  <matt@3am-software.com>
3538         * config/rs6000/sysv4.h (NO_IMPLICIT_EXTERN_C): undefine before
3539         defining.
3541 2005-04-13  Kazu Hirata  <kazu@cs.umass.edu>
3543         * rtl.h (CLEAR_RTX_FLAGS): Remove.
3545         * cgraphunit.c (INSNS_PER_CALL): Remove.
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.
3555         * tree-inline.c (INSNS_PER_STMT): Remove.
3557 2005-04-12  Richard Henderson  <rth@redhat.com>
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.
3572 2005-04-12  Jeff Law  <law@redhat.com>
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.
3585 2005-04-12  James E. Wilson  <wilson@specifixinc.com>
3587         PR target/20670
3588         * unwind-ia64.c (uw_intall_context): Add missing load of r27.
3590 2005-04-12  Caroline Tice  <ctice@apple.com>
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.
3600 2005-04-12  Steven Bosscher  <stevenb@suse.de>
3601             Stuart Hastings <stuart@apple.com>
3602             Jan Hubicka  <jh@suse.cz>
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.
3640 2005-04-12  Caroline Tice  <ctice@apple.com>
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.
3679 2005-04-12  Eric Botcazou  <ebotcazou@libertysurf.fr>
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.
3684         * config/sparc/sparc.c (legitimate_address_p): Use TARGET_ARCH32.
3686 2005-04-12  Ulrich Weigand  <uweigand@de.ibm.com>
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.
3692 2004-04-12  Richard Henderson  <rth@redhat.com>
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.
3699 2005-04-12  Frank Ch. Eigler  <fche@redhat.com>
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.
3706 2005-04-12  Dorit Naishlos  <dorit@il.ibm.com>
3708         * tree-cfg.c (tree_verify_flow_info): Use LABEL_EXPR_LABEL.
3710 2005-04-12  Bernd Schmidt  <bernd.schmidt@analog.com>
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.
3723 2005-04-12  Kazu Hirata  <kazu@cs.umass.edu>
3725         * tree-vect-transform.c: Fix comment typos.
3727 2005-04-12 Mostafa Hagog <mustafa@il.ibm.com>
3729         * postreload-gcse.c (eliminate_partially_redundant_load): Don't
3730         split critical edges when not possible/profitable.
3732 2005-04-12  Richard Sandiford  <rsandifo@redhat.com>
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.
3747 2005-04-12  Richard Sandiford  <rsandifo@redhat.com>
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.
3773 2005-04-11  Mark Mitchell  <mark@codesourcery.com>
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.
3794 2005-04-11  Devang Patel  <dpatel@apple.com>
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.
3809 2005-04-11  Devang Patel  <dpatel@apple.com>
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.
3820 2005-04-11  Geoffrey Keating  <geoffk@apple.com>
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.
3826         * config/i386/darwin.h (ASM_SPEC): Use -arch i386 not -arch i686.
3827         (SUBTARGET_EXTRA_SPECS): Always 'i386'.
3829         * dwarf2out.c (output_line_info): Don't try to dereference
3830         a NULL current_function_decl.
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.
3837 2005-04-11  Diego Novillo  <dnovillo@redhat.com>
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.
3849 2005-04-11  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
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.
3859         * configure, config.in: Regenerate.
3861 2005-04-11  David Edelsohn  <edelsohn@gnu.org>
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.
3869 2005-04-11  Daniel Berlin  <dberlin@dberlin.org>
3871         Fix PR tree-optimization/20926
3873         * tree-ssa-alias.c (add_type_alias): Handle subvars.
3875 2005-04-11  Devang Patel  <dpatel@apple.com>
3877         * config/rs6000.c (rs6000_emit_vector_select): Fix vector select
3878         operand ordering.
3880 2005-04-11  Andrew Pinski  <pinskia@physics.uc.edu>
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.
3888 2005-04-11  Daniel Berlin  <dberlin@dberlin.org>
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.
3896 2005-04-11  Andrew Pinski  <pinskia@physics.uc.edu>
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.
3903 2005-04-11  James A. Morrison  <phython@gcc.gnu.org>
3905         * config/sparc/sparc.c: Use gcc_assert and gcc_unreachable.
3906         * config/sparc/sparc.h: Likewise.
3907         * config/sparc/sparc.md: Likewise.
3909 2005-04-11  Kazu Hirata  <kazu@cs.umass.edu>
3911         * tree-vrp.c (maybe_add_assert_expr): Move a comment.
3913         * tree-vrp.c: Fix a comment typo.
3915 2005-04-11  Diego Novillo  <dnovillo@redhat.com>
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.
3924 2005-04-11  Richard Sandiford  <rsandifo@redhat.com>
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.
3947 2005-04-11  Paolo Bonzini  <bonzini@gnu.org>
3949         * tree-complex.c (expand_vector_operations): Call
3950         update_stmt_if_modified.
3952 2005-04-11  Paolo Bonzini  <bonzini@gnu.org>
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.
3959 2005-04-11  Uros Bizjak  <uros@kss-loka.si>
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.
3983 2005-04-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3985         * pa/quadlib.c (_U_Qfneg): Toggle sign bit instead of subtracting from
3986         zero.
3988 2005-04-10  Kazu Hirata  <kazu@cs.umass.edu>
3990         * config/arm/arm.c: Fix a comment typo.
3991         * doc/tree-ssa.texi: Fix a typo.
3993 2005-04-10  Steven Bosscher  <stevenb@suse.de>
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.
4013 2005-04-10  Richard Sandiford  <rsandifo@redhat.com>
4015         * combine.c (combine_simplify_rtx): Remove a transformation that
4016         relies on an invalid assumption about rtl sign-extension semantics.
4018 2005-04-10  Richard Sandiford  <rsandifo@redhat.com>
4020         * value-prof.c (tree_divmod_fixed_value_transform): Fix arguments
4021         to build_int_cst_wide.
4023 2005-04-09  Alexandre Oliva  <aoliva@redhat.com>
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.
4033 2005-04-09  Caroline Tice  <ctice@apple.com>
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.
4102 2005-04-09  Jakub Jelinek  <jakub@redhat.com>
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.
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.
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.
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.
4139 2005-04-09  Jakub Jelinek  <jakub@redhat.com>
4141         PR target/20795
4142         * config/i386/i386.c (construct_container): Pass empty aligned
4143         struct, union or class in memory.
4145 2005-04-09  Kazu Hirata  <kazu@cs.umass.edu>
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.
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.
4157 2005-04-09  Jan Hubicka  <jh@suse.cz>
4158             Steven Bosscher  <stevenb@suse.de>
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.
4167 2005-04-09  David Edelsohn  <edelsohn@gnu.org>
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.
4175 2005-04-09  Jan Hubicka  <jh@suse.cz>
4177         Forgotten hunk from my last merge patch:
4178         * final.c (output_addr_const): Do not call mark_referenced.
4180 2005-04-09  Andrew MacLeod  <amacleod@redhat.com>
4182         * doc/tree-ssa.texi: Add immediate use documentation.
4184 2005-04-09  Richard Earnshaw <richard.earnshaw@arm.com>
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.
4200 2005-04-09  Uros Bizjak  <uros@kss-loka.si>
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.
4206 2005-04-09  Uros Bizjak  <uros@kss-loka.si>
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.
4233 2005-04-08  Ian Lance Taylor  <ian@airs.com>
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.
4267 2005-04-08  Devang Patel  <dpatel@apple.com>
4269         * tree-if-conv.c (find_phi_replacement_condition): New parameter, loop.
4270         While selecting replacement condition pay attention to loop header.
4272 2005-04-08  Diego Novillo  <dnovillo@redhat.com>
4274         Merge from tree-cleanup-branch: VRP, store CCP, store
4275             copy-prop, incremental SSA updating of FUD chains and
4276             newly exposed symbols.
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.
4545 2005-04-08  David Edelsohn  <edelsohn@gnu.org>
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.
4554 2005-04-09  Hans-Peter Nilsson  <hp@axis.com>
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.
4561 2005-04-08  Mike Stump  <mrs@apple.com>
4563         * config/darwin.c (indirect_data): Fix typo in strncmp logic.
4565         * config/rs6000/rs6000.c (rs6000_emit_prologue): Use 5 nops,
4566         instead of 4.
4568 2005-04-08  Kazu Hirata  <kazu@cs.umass.edu>
4570         * c-tree.h (C_LANG_TREE_NODE_CHAIN_NEXT): Remove.
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.
4577         * function.h (function): Remove instrument_entry_exit.
4578         (current_function_instrument_entry_exit): Remove.
4580         * function.h (nonlocal_labels): Remove.
4582         * tree.h (STRIP_MAIN_TYPE_NOPS): Remove.
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.
4592         * c-common.h (C_ARTIFICIAL_STRING_P): Remove.
4594 2005-04-08  Ulrich Weigand  <uweigand@de.ibm.com>
4596         * config/s390/tpf.h (ASM_SPEC): Define.
4598 2005-04-08  Kazu Hirata  <kazu@cs.umass.edu>
4600         * tree-flow.h: Remove the prototype for
4601         redirect_immediate_uses.
4602         (TDFA_USE_OPS, TDFA_USE_VOPS): Remove.
4604 2005-04-08  Richard Earnshaw  <richard.earnshaw@arm.com>
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.
4610 2005-04-08  Andrew MacLeod  <amacleod@redhat.com>
4612         * tree-ssa-operands.c (correct_use_link): Remove linear scan.
4614 2005-04-08  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
4616         * system.h: Revert last change.
4618 2005-04-08  Richard Sandiford  <rsandifo@redhat.com>
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.
4628 2005-04-08  Ben Elliston  <bje@au.ibm.com>
4630         * config/fp-bit.c: Include L_mul_tf in #endif comment.
4631         * config/fp-bit.h: Tidy comments.
4633 2005-04-07  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
4635         * system.h: Poison PARAMS.
4637 2005-04-07  Richard Sandiford  <rsandifo@redhat.com>
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.
4645 2005-04-07  Daniel Berlin  <dberlin@dberlin.org>
4647         * tree-ssa-dse.c (dse_optimize_stmt): Fix incorrect comment.
4649 2005-04-07  Ian Lance Taylor  <ian@airs.com>
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.
4657 2005-04-07  Kazu Hirata  <kazu@cs.umass.edu>
4659         * tree-ssa-sink.c (nearest_common_dominator_of_uses): Consider
4660         all immediate uses in PHI nodes.
4662 2005-04-07  Richard Earnshaw  <richard.earnshaw@arm.com>
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.
4688 2005-04-07  Joseph S. Myers  <joseph@codesourcery.com>
4690         PR target/20093
4691         * simplify-rtx.c (simplify_unary_operation_1): Check
4692         SUBREG_PROMOTED_UNSIGNED_P (op) > 0 for zero-extension.
4694 2005-04-06  James E Wilson  <wilson@specifixinc.com>
4696         PR target/20717
4697         * cgraphunit.c (record_call_1, case FDESC_EXPR): Handle same as
4698         ADDR_EXPR.
4700 2004-04-06  Richard Sandiford  <rsandifo@redhat.com>
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.
4709 2004-04-06  Richard Sandiford  <rsandifo@redhat.com>
4711         PR other/20792
4712         * Makefile.in (gcc.pot): Remove options.c dependency.
4713         * optc-gen.awk: Don't quote help strings with N_().
4715 2005-04-06  James A. Morrison  <phython@gcc.gnu.org>
4717         * c-common.c (handle_malloc_atttribute): Only set DECL_IS_MALLOC if
4718         the function returns a pointer type.
4720 2005-04-06  Daniel Berlin  <dberlin@dberlin.org>
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.
4734 2005-04-06  Richard Sandiford  <rsandifo@redhat.com>
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.
4742 2005-04-06  Kazu Hirata  <kazu@cs.umass.edu>
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.
4747 2005-04-06  Joseph S. Myers  <joseph@codesourcery.com>
4749         * c-decl.c (finish_decl): Apply pending #pragma weak regardless of
4750         scope.
4752 2005-04-06  Kazu Hirata  <kazu@cs.umass.edu>
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.
4758 2005-04-06  Ranjit Mathew  <rmathew@hotmail.com>
4760         * doc/install.texi: Update the URL for Jacks.
4761         * doc/sourcebuild.texi: Likewise.
4763 2005-04-06  Eric Botcazou  <ebotcazou@libertysurf.fr>
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.
4769 2005-04-06  Kelley Cook  <kcook@gcc.gnu.org>
4771         * Makefile.in (LIBGCC2_CFLAGS): Revert -pipe change.
4773 2005-04-06  Richard Sandiford  <rsandifo@redhat.com>
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.
4795 2005-04-06  Geoffrey Keating  <geoffk@apple.com>
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.
4810 2005-04-06  Ralf Corsepius  <ralf.corsepius@rtems.org>
4812         PR target/17824
4813         * config/c4x/c4x.h (ASM_PROG, LD_PROG): Remove.
4815 2005-04-06  Dorit Naishlos  <dorit@il.ibm.com>
4817         * tree-vect-analyze.c (vect_analyze_loop_form): Call
4818         split_loop_exit_edge instead of loop_split_edge_with.
4820 2005-04-06  Paolo Bonzini  <bonzini@gnu.org>
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.
4832 2005-04-06  Ralf Corsepius  <ralf.corsepius@rtems.org>
4834         PR target/17822
4835         * config/avr/t-avr (AR_FOR_TARGET,RANLIB_FOR_TARGET): Remove.
4837 2005-04-06  Kelley Cook  <kcook@gcc.gnu.org>
4839         * Makefile.in (LIBGCC2_CFLAGS): Compile with -pipe.
4841 2005-04-06  Ben Elliston  <bje@au.ibm.com>
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.
4847 2005-04-06  Ben Elliston  <bje@au.ibm.com>
4849         * doc/invoke.texi (Optimize Options): Mention -ftree-lrs, not
4850         -ftree-live_range_split.  Perhaps renamed at some point?
4852 2005-04-06  Zdenek Dvorak  <dvorakz@suse.cz>
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.
4858 2005-04-06  Zdenek Dvorak  <dvorakz@suse.cz>
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.
4870 2005-04-05  Thomas Fitzsimmons  <fitzsim@redhat.com>
4872         * doc/install.texi (Configuration): Document --with-java-home.
4874 2005-04-05  Richard Henderson  <rth@redhat.com>
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.
4889 2005-04-05  Andrew MacLeod  <amacleod@redhat.com>
4891         * tree-ssa-operands.c (verify_abort): Use %p for pointers.
4893 2005-04-05  Andrew MacLeod  <amacleod@redhat.com>
4895         * tree-pretty-print.c (dump_generic_node): Use %p for pointer.
4897 2005-04-05  Jakub Jelinek  <jakub@redhat.com>
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.
4905         * config/i386/i386.c (ix86_value_regno): Only optimize local functions
4906         of -funit-at-a-time.
4908 2005-04-05  Paolo Bonzini  <bonzini@gnu.org>
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.
4922 2005-04-05  Jakub Jelinek  <jakub@redhat.com>
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.
4928 2005-04-05  Andrew MacLeod  <amacleod@redhat.com>
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.
5121 2005-04-05  Dale Johannesen  <dalej@apple.com>
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).
5128 2005-04-05  Per Bothner  <per@bothner.com>
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.
5135         * tree-ssa.c (warn_uninitialized_var): Remove useless local.
5137 2005-04-05  Per Bothner  <per@bothner.com>
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.
5144 2004-04-05  Devang Patel  <dpatel@apple.com>
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.
5153 2004-04-05  Paolo Bonzini  <bonzini@gnu.org>
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.
5162 2005-04-05  Eric Botcazou  <ebotcazou@libertysurf.fr>
5164         * config/sparc/sparc.c (TARGET_ASM_FILE_END): Undefine before
5165         overriding.
5167 2005-04-05  Paolo Bonzini  <bonzini@gnu.org>
5169         * system.h: Fix typo.
5171 2005-04-05  Bernd Schmidt  <bernd.schmidt@analog.com>
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.
5195 2005-04-05  Olivier Hainque  <hainque@adacore.com>
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.
5204 2004-04-05  Richard Sandiford  <rsandifo@redhat.com>
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.
5220 2005-04-05  Eric Botcazou  <ebotcazou@libertysurf.fr>
5221             Sebastian Pop <sebastian.pop@cri.ensmp.fr>
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.
5227 2005-04-05  Uros Bizjak <uros@kss-loka.si>
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.
5242 2005-04-05  Ian Lance Taylor  <ian@airs.com>
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.
5255 2005-04-05  Kazu Hirata  <kazu@cs.umass.edu>
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.
5268 2005-04-04  Roger Sayle  <roger@eyesopen.com>
5270         * config/i386/i386.md (*truncdfsf2_i387_1): New pattern.
5272         * fold-const.c (maybe_lvalue_p): Delete orphaned comment.
5274 2005-04-04  Ian Lance Taylor  <ian@airs.com>
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.
5288 2005-04-04  David Edelsohn  <edelsohn@gnu.org>
5289             Daniel Jacobowitz  <dan@codesourcery.com>
5291         * tree-eh.c (tree_could_trap_p): Allow non-constant floating point
5292         trapping divide.
5293         * rtlanal.c (may_trap_p): Same.
5295 2005-04-04  Dale Johannesen  <dalej@apple.com>
5297         * ChangeLog:  remove reference to ChangeLog.12.
5299 2005-04-05  Hans-Peter Nilsson  <hp@axis.com>
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.
5338 2005-04-04  Kazu Hirata  <kazu@cs.umass.edu>
5340         * config/frv/frv.h (PREDICATE_CODES): Add CONST to
5341         gpr_or_int12_operand.
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.
5380 2004-04-04  Richard Sandiford  <rsandifo@redhat.com>
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.
5389 2004-04-04  Richard Sandiford  <rsandifo@redhat.com>
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.
5405 2005-04-02  Daniel Berlin  <dberlin@dberlin.org>
5406             Diego Novillo <dnovillo@redhat.com>
5408         Fix PR tree-optimization/20703
5409         Fix PR tree-optimization/20725
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.
5423 2005-04-04  Eric Botcazou  <ebotcazou@libertysurf.fr>
5425         * doc/invoke.texi (SPARC options): Document that
5426         -mlittle-endian is not supported on Linux either.
5428 2005-04-04  Eric Botcazou  <ebotcazou@libertysurf.fr>
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.
5445 2005-04-04  Adrian Straetling  <straetling@de.ibm.com>
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.
5468 2005-04-04  Eric Botcazou  <ebotcazou@libertysurf.fr>
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.
5487 2005-04-04  Kazu Hirata  <kazu@cs.umass.edu>
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.
5515         * config/mcore/predicates.md: Fix a comment typo.
5517 2005-04-04  Andreas Krebbel  <krebbel1@de.ibm.com>
5518             Adrian Straetling  <straetling@de.ibm.com>
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.
5530 2005-04-04  Richard Sandiford  <rsandifo@redhat.com>
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.
5548 2005-04-04  Ian Lance Taylor  <ian@airs.com>
5550         * config/arm/arm.c (replace_symbols_in_block): Remove static
5551         function.
5553 2005-04-04  Kazu Hirata  <kazu@cs.umass.edu>
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.
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.
5571         * config/sh/sh.h (PREDICATE_CODES): Add CONST to
5572         general_movsrc_operand.
5574 2005-04-04  Alan Modra  <amodra@bigpond.net.au>
5576         * passes.c (rest_of_handle_final): NULL unlikely_text_section_name
5577         after freeing.
5579 2005-04-04  Richard Earnshaw  <richard.earnshaw@arm.com>
5581         PR target/14812
5582         * arm.c (arm_select_cc_mode): Return CC_Zmode when comparing against
5583         a negated value.
5585 2005-04-04  Richard Henderson  <rth@redhat.com>
5586             Jakub Jelinek  <jakub@redhat.com>
5588         PR rtl-optimization/16104
5589         * fold-const.c (fold_unary): Fix folding of vector conversions.
5591 2005-04-04  Richard Sandiford  <rsandifo@redhat.com>
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.
5597 2005-04-04  Richard Sandiford  <rsandifo@redhat.com>
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.
5611 2005-04-03  Roger Sayle  <roger@eyesopen.com>
5612             Alexandre Oliva  <aoliva@redhat.com>
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.
5620 2005-04-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
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.
5627 2005-04-03  Richard Earnshaw  <richard.earnshaw@arm.com>
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.
5637         * arm.md (movhi_insn_arch4): delete trailing white space from assembler
5638         template.
5640 2005-04-03  Kazu Hirata  <kazu@cs.umass.edu>
5642         * cfghooks.c, cfgrtl.c, modulo-sched.c, config/i386/winnt.c:
5643         Fix comment typos.
5645         * doc/install.texi: Fix a typo.
5647 2005-04-03  Steven Bosscher  <stevenb@suse.de>
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.
5654 2005-04-03  Nathan Sidwell  <nathan@codesourcery.com>
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.
5677 2005-04-03 Mostafa Hagog <mustafa@il.ibm.com>
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.
5694 2005-04-03 Mostafa Hagog <mustafa@il.ibm.com>
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.
5723 2005-04-03  Kazu Hirata  <kazu@cs.umass.edu>
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.
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.
5747 2005-04-02  Kazu Hirata  <kazu@cs.umass.edu>
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.
5758 2005-04-02  Richard Sandiford  <rsandifo@redhat.com>
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.
5783 2005-04-02  Kazu Hirata  <kazu@cs.umass.edu>
5785         * config/fr30/fr30.h (PREDICATE_CODES): Remove
5786         fp_displacement_operand, sp_displacement_operand.
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.
5812 2005-04-02  Alexandre Oliva  <aoliva@redhat.com>
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.
5820 2005-04-02  Alexandre Oliva  <aoliva@redhat.com>
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.
5828 2005-04-02  Alexandre Oliva  <aoliva@redhat.com>
5830         PR middle-end/20491
5831         * final.c (alter_subreg): Don't call subreg_regno for a non-REG.
5833 2005-04-02  Alexandre Oliva  <aoliva@redhat.com>
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.
5839 2005-04-02  Hans-Peter Nilsson  <hp@axis.com>
5841         * config/cris/cris.md (attribute "length"): Define.
5843 2005-04-02  Geoffrey Keating  <geoffk@apple.com>
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.
5852         * config/rs6000/t-darwin8: Comment out ppc64 multilib.
5854         PR 20650
5855         * config/rs6000/rs6000.md (fix_truncdfsi2): Make destination
5856         a register.
5858         * config/rs6000/t-darwin (TARGET_LIBGCC2_CFLAGS): Add -pipe.
5859         * config/t-darwin (TARGET_LIBGCC2_CFLAGS): Likewise.
5861 2005-04-01  Jan-Benedict Glaw  <jbglaw@lug-owl.de>
5863         * gcc/config/vax/vax.md: Spellcheck, fix whitespace.
5865 2005-04-01  Ian Lance Taylor  <ian@airs.com>
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.
5872 2005-04-01  Joseph S. Myers  <joseph@codesourcery.com>
5874         * c-decl.c (validate_proto_after_old_defn): Look at
5875         TYPE_MAIN_VARIANT of argument types.
5877 2005-04-01  Paul Brook  <paul@codesourcery.com>
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.
5885 2005-04-01  Ian Lance Taylor  <ian@airs.com>
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.
5891 2005-04-01  Kazu Hirata  <kazu@cs.umass.edu>
5893         * bb-reorder.c, fold-const.c, varasm.c: Fix comment typos.
5895 2005-04-01  Nathan Sidwell  <nathan@codesourcery.com>
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.
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.
5924 2005-04-01  Kazu Hirata  <kazu@cs.umass.edu>
5926         * tree-inline.c: Fix a typo.
5928 2005-04-01  Nathan Sidwell  <nathan@codesourcery.com>
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.
5937 2005-04-01  Kazu Hirata  <kazu@cs.umass.edu>
5939         * tree-inline.c (copy_body_r): Use CONSTANT_CLASS_P where
5940         possible.
5942 2005-04-01  Richard Earnshaw  <richard.earnshaw@arm.com>
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.
5950 2005-04-01  Richard Earnshaw  <richard.earnshaw@arm.com>
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.
5961 2005-04-01  Danny Smith  <dannysmith@users.sourceforge.net>
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.
5972 2005-04-01  Paolo Bonzini  <bonzini@gnu.org>
5973             Jan Hubicka  <jh@suse.cz>
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.
5981 2005-04-01  Jakub Jelinek  <jakub@redhat.com>
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.
5988 2005-04-01  Kazu Hirata  <kazu@cs.umass.edu>
5990         * doc/contrib.texi, doc/invoke.texi, doc/tm.texi: Fix typos.
5992 2005-04-01  James E Wilson  <wilson@specifixinc.com>
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.
6000 2005-04-01  Kazu Hirata  <kazu@cs.umass.edu>
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.
6013 2005-04-01  Joseph S. Myers  <joseph@codesourcery.com>
6015         PR c/17855
6016         * gimplify.c (gimplify_expr): Create a temporary for lvalue
6017         COND_EXPR and CALL_EXPR.
6019 2005-03-31  Vladimir Makarov  <vmakarov@redhat.com>
6021         PR target/20632
6022         * genautomata.c (first_cycle_unit_presence): Check all alternative
6023         states for unit presence.
6025         * doc/md.texi: Remove remark about impossibility to query unit
6026         presence in non nondeterministic automaton state.
6028         * config/ia64/ia64.c (get_template): Change order of unit querying.
6030 2005-03-31  Kazu Hirata  <kazu@cs.umass.edu>
6032         * tree-ssa-dom.c (cprop_into_successor_phis): Remove an
6033         obsolete comment.
6035 2005-03-31  Zdenek Dvorak  <dvorakz@suse.cz>
6037         * cfgloopanal.c (mark_loop_exit_edges): Clean EDGE_LOOP_EXIT
6038         flag for edges outside any loops.
6040 2005-03-31  Janis Johnson  <janis187@us.ibm.com>
6042         * doc/sourcebuild.texi (Test Directives): Describe cleanup-* procs.
6044 2005-03-31  Kazu Hirata  <kazu@cs.umass.edu>
6046         * tree-ssa-alias.c: Follow spelling conventions.
6047         * doc/tree-ssa.texi: Fix a typo.
6049 2005-03-31  J"orn Rennecke <joern.rennecke@st.com>
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).
6055 2005-03-31  David Edelsohn  <edelsohn@gnu.org>
6057         * tree-ssa-loop-im.c (stmt_cost): Add RDIV_EXPR to list of
6058         expensive operations.
6060 2005-03-31  Ian Lance Taylor  <ian@airs.com>
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.
6076 2005-03-31  Caroline Tice  <ctice@apple.com>
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.
6252 2005-03-31  Olivier Hainque  <hainque@adacore.com>
6254         * dwarf2out.c (dwarf2out_frame_finish): Honor DWARF2_FRAME_INFO
6255         defined and non-zero.
6257 2005-03-31  Gabriel Dos Reis  <gdr@integrable-solutions.net>
6259         PR c++/18644
6260         * doc/invoke.texi (-Wsynth): Don't document, as it now is void of
6261         semantics.
6263 2005-03-31  Alan Modra  <amodra@bigpond.net.au>
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.
6273 2005-03-31  Kazu Hirata  <kazu@cs.umass.edu>
6275         * config.gcc: Obsolete i860-*-sysv4*, ip2k-*-elf,
6276         ns32k-*-netbsdelf*, and ns32k-*-netbsd*.
6278 2005-03-29  Devang Patel  <dpatel@apple.com>
6280         * tree-sra.c (decide_block_copy): Disable scalarization of
6281         sub-elements.
6283 2005-03-30  Stuart Hastings  <stuart@apple.com>
6284             Dale Johannesen  <dalej@apple.com>
6286         * Makefile.in (print-tree.o):  Depend on tree-iterator.h.
6287         * print-tree.c (print_node):  Add case STATEMENT_LIST.
6289 2005-03-31  Alan Modra  <amodra@bigpond.net.au>
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.
6297 2005-03-30  James E. Wilson  <wilson@specifixinc.com>
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.
6304 2005-03-31  Jan Hubicka  <jh@suse.cz>
6306         2004-11-02  Jan Hubicka  <jh@suse.cz>
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.
6313         2004-10-16  Jan Hubicka  <jh@suse.cz>
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.
6327         2004-10-11  Jan Hubicka  <jh@suse.cz>
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.
6345 2005-03-30  Daniel Berlin  <dberlin@dberlin.org>
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.
6358 2005-03-30  Richard Henderson  <rth@redhat.com>
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.
6365 2005-03-30  Tom Tromey  <tromey@redhat.com>
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.
6381 2005-03-30 Fariborz Jahanian <fjahanian@apple.com>
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.
6390 2005-03-30  Dale Johannesen  <dalej@apple.com>
6392         PR middle-end/19225
6393         * calls.c (expand_call):  Flush pending deferrals before
6394         throwing call.
6396 2005-03-30  Joseph S. Myers  <joseph@codesourcery.com>
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.
6423 2005-03-30  Joseph S. Myers  <joseph@codesourcery.com>
6425         PR c/20368
6426         * c-decl.c (start_function): Check for old_decl being
6427         error_mark_node.
6429 2005-03-30  Ian Lance Taylor  <ian@airs.com>
6431         * final.c (final): Remove prescan parameter.  Change all callers.
6432         (final_scan_insn): Remove prescan parameter.  Change all callers.
6434 2005-03-30  Kazu Hirata  <kazu@cs.umass.edu>
6436         * tree-vectorizer.c: Fix comment typos.
6438 2005-03-30  Sebastian Pop  <pop@cri.ensmp.fr>
6440         * tree-scalar-evolution.c (instantiate_parameters_1): Return
6441         as soon as a chrec_dont_know is detected.
6443 2005-03-31  Danny Smith  <dannysmith@users.sourceforge.net>
6445         Merge from csl-arm-branch.
6446         2004-02-12  Mark Mitchell  <mark@codesourcery.com>
6448         * tlink.c (recompile_files): Do not assume that "rename" can
6449         overwrite an existing file.
6451 2005-03-31  Paolo Bonzini  <bonzini@gnu.org>
6453         * gcc/configure.ac (TL_AC_GNU_MAKE_GCC_LIB_PATH): Remove.
6454         * gcc/configure: Regenerate.
6456 2005-03-30  Alan Modra  <amodra@bigpond.net.au>
6458         * doc/install.texi: Update binutils requirement for powerpc*-linux.
6460         * config/rs6000/rs6000.c (rs6000_arg_partial_bytes): Update comments.
6462         * calls.c (struct arg_data): Update "partial" comment.
6463         (load_register_parameters): Update "nregs" comment.
6465 2005-03-30  Richard Sandiford  <rsandifo@redhat.com>
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.
6481 2005-03-30  Richard Sandiford  <rsandifo@redhat.com>
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.
6512 2005-03-30  Richard Sandiford  <rsandifo@redhat.com>
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.
6518 2005-03-30  Richard Sandiford  <rsandifo@redhat.com>
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.
6525 2005-03-30  Ian Lance Taylor  <ian@airs.com>
6527         * config.host (i[34567]86-*-mingw32*): Don't set
6528         host_can_use_collect2 to no.
6530 2005-03-30  Alan Modra  <amodra@bigpond.net.au>
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.
6536 2005-03-29  Richard Henderson  <rth@redhat.com>
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.
6553 2005-03-29  Richard Henderson  <rth@redhat.com>
6555         PR tree-opt/19108
6556         * tree-sra.c (generate_element_init_1): Handle RANGE_EXPR.
6558 2005-03-29  Kazu Hirata  <kazu@cs.umass.edu>
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.
6565 2005-03-29  Eric Christopher  <echristo@redhat.com>
6567         * config/mips/mips.c (mips_gimplify_va_arg_expr): Update for
6568         truthvalue conversion removal.
6570 2005-03-29  Ian Lance Taylor  <ian@airs.com>
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.
6592 2005-03-29  Joseph S. Myers  <joseph@codesourcery.com>
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.
6598 2005-03-29  Dorit Naishlos  <dorit@il.ibm.com>
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.
6609 2005-03-29  Richard Sandiford  <rsandifo@redhat.com>
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.
6639 2005-03-29  Keith Besaw  <kbesaw@us.ibm.com>
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".
6665 2005-03-29  Jakub Jelinek  <jakub@redhat.com>
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.
6675 2005-03-29  Paul Brook  <paul@codesourcery.com>
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.
6681 2005-03-29  Eric Botcazou  <ebotcazou@libertysurf.fr>
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.
6687 2005-03-29  Dale Johannesen <dalej@apple.com>
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.
6736 2005-03-29  Uros Bizjak  <uros@kss-loka.si>
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.
6748 2005-03-28  Ian Lance Taylor  <ian@airs.com>
6750         * config/arc/arc.c (arc_output_function_epilogue): Pass prescan as
6751         0 when calling final_scan_insn.
6753 2005-03-28  Jan Hubicka  <jh@suse.cz>
6755         PR middle-end/20635
6756         * varasm.c (mark_decl_referenced): Do not mark extern inline functions
6757         as needed.
6759         * tree-inline.c (estimate_num_insns_1): Use declaration to discover argument
6760         types where possible.
6762 2005-03-26  Per Bothner  <per@bothner.com>
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.
6770 2005-03-27  Steven Bosscher  <stevenb@suse.de>
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.
6781 2005-03-26  Andrew Pinski  <pinskia@physics.uc.edu>
6783         * Makefile.in (libbackend.o): Depend on version files;
6784         add custom generation command.
6786 2005-03-26  Andrew Pinski  <pinskia@physics.uc.edu>
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.
6792 2005-03-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6794         * builtin-types.def (BT_FN_STRING_CONST_STRING_SIZE): New.
6795         * builtins.def (BUILT_IN_STRNDUP): New.
6797 2005-03-25  Pat Haugen  <pthaugen@us.ibm.com>
6799         PR tree-optimization/20470
6800         * fold-const.c (fold_cond_expr_with_comparison): Recognize/fold
6801         ABS(x-y).
6803 2005-03-25  Mike Stump  <mrs@apple.com>
6805         * config/darwin.h (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Don't allow 0
6806         sized objects.
6808 2005-03-25  Geoffrey Keating  <geoffk@apple.com>
6810         * config/rs6000/darwin-fallback.c: Don't include <ucontext.h>.
6811         Use our own structure definitions.
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.
6825 2005-03-25  Kazu Hirata  <kazu@cs.umass.edu>
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.
6832         * tree.c (get_set_constructor_bits,
6833         get_set_constructor_bytes): Remove.
6834         * tree.h: Remove the corresponding prototypes.
6836 2005-03-25  John David Anglin  <dave.anglin@nrc-crnc.gc.ca>
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.
6844 2005-03-25  Kazu Hirata  <kazu@cs.umass.edu>
6846         * fold-const.c: Convert uses of fold (build (...)) to
6847         fold_buildN.
6849 2005-03-25  Zdenek Dvorak  <dvorakz@suse.cz>
6851         PR rtl-optimization/20249
6852         * cse.c (insert_regs): Do not record equivalence of registers in
6853         different modes.
6855 2005-03-24  Kazu Hirata  <kazu@cs.umass.edu>
6857         * emit-rtl.c (reverse_comparison): Remove.
6858         * rtl.h: Remove the corresponding prototype.
6860 2005-03-24  James E Wilson  <wilson@specifixinc.com>
6862         * doc/install.texi (--enable-altivec): Delete docs.
6864 2005-03-24  David Edelsohn  <edelsohn@gnu.org>
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.
6870 2005-03-24  Geoffrey Keating  <geoffk@apple.com>
6872         * c.opt (fvisibility-inlines-hidden): Allow for ObjC++.
6874         * config/i386/darwin.h (TARGET_SUBTARGET_DEFAULT): Add
6875         MASK_128BIT_LONG_DOUBLE, MASK_ALIGN_DOUBLE.
6877 2005-03-24  Nathan Sidwell  <nathan@codesourcery.com>
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.
6885 2005-03-23  Uros Bizjak  <uros@kss-loka.si>
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.
6894 2005-03-24  Alexandre Oliva  <aoliva@redhat.com>
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.
6902 2005-03-23  Joseph S. Myers  <joseph@codesourcery.com>
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.
6911 2005-03-23  Kazu Hirata  <kazu@cs.umass.edu>
6913         * params.def: Fix a typo.
6914         * config/mips/mips.c: Follow the spelling convensions.
6915         * doc/invoke.texi: Fix typos.
6917 2005-03-23  Daniel Berlin  <dberlin@dberlin.org>
6919         Fix PR tree-optimization/20601
6921         * tree-ssa-pre.c (insert_aux): Add missing condition to
6922         constification.
6924 2005-03-23  Ian Lance Taylor  <ian@airs.com>
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.
6930 2005-03-23  Dorit Naishlos  <dorit@il.ib.com>
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.
6937 2005-03-23  Ian Lance Taylor  <ian@airs.com>
6939         * reorg.c (dbr_schedule): Remove #if 0 code to call final.
6941 2005-03-23  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
6943         * config.gcc (alpha*-dec-osf[45]*): Remove target_cpu_default.
6944         Define TARGET_SUPPORT_ARCH except on Tru64 UNIX V4.0A.
6946 2005-03-23  Hans-Peter Nilsson  <hp@axis.com>
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.
6974 2005-03-23  DJ Delorie  <dj@redhat.com>
6976         * optabs.c (expand_binop): Make sure the first subword's result
6977         gets stored.
6979 2005-03-23  Joseph S. Myers  <joseph@codesourcery.com>
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.
7001 2005-03-23  Joseph S. Myers  <joseph@codesourcery.com>
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.
7013 2005-03-23  Mark Mitchell  <mark@codesourcery.com>
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.
7021 2005-03-22  Kazu Hirata  <kazu@cs.umass.edu>
7023         * reload1.c (indirect_symref_ok, reload_obstack): Make them
7024         static.
7025         * reload.h: Remove the prototype for indirect_symref_ok.
7027         * reload1.c (indirect_symref_ok): Make it global.
7028         * reload.h: Add a prototype for indirect_symref_ok.
7030 2005-03-22  Kaz Kojima  <kkojima@gcc.gnu.org>
7032         * config/sh/sh.md (ashlhi3): Rename to *ashlhi3_n and add a new
7033         ashlhi3 expander.
7035 2005-03-22  Tobias Schl"uter  <tobias.schlueter@physik.uni-muenchen.de>
7037         * tree.h (DECL_IGNORED_P, DECL_IN_SYSTEM_HEADER): Clarify comments.
7039 2005-03-22  Daniel Berlin  <dberlin@dberlin.org>
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.
7052 2005-03-22  Mark Mitchell  <mark@codesourcery.com>
7054         * doc/extend.texi: Deprecate C++ min/max operators.
7056 2005-03-22  Zdenek Dvorak  <dvorakz@suse.cz>
7058         * tree-ssa-loop-ivopts.c (determine_iv_cost): Do not try to preserve
7059         artificial original candidates.
7061 2005-03-22  Richard Guenther <rguenth@tat.physik.uni-tuebingen.de>
7062             Jan Hubicka  <jh@suse.cz>
7063             Steven Bosscher <stevenb@suse.de>
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.
7087 2005-03-22  Richard Sandiford  <rsandifo@redhat.com>
7089         * config/i860/i860.h (target_flags, TARGET_XP, TARGET_SWITCHES)
7090         (TARGET_DEFAULT): Delete.
7091         * config/i860/i860.opt: New file.
7093 2005-03-22  Richard Sandiford  <rsandifo@redhat.com>
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.
7138 2005-03-22  Kazu Hirata  <kazu@cs.umass.edu>
7140         * fold-const.c (fold_ternary): Take decomposed arguments of
7141         CALL_EXPR.
7142         (fold): Update a call to fold_ternary.
7144         * fold-const.c (fold_build1, fold_build2, fold_build3): New.
7145         * tree.h: Add corresponding prototypes.
7147 2005-03-22  Jakub Jelinek  <jakub@redhat.com>
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.
7157 2005-03-22  Kazu Hirata  <kazu@cs.umass.edu>
7159         * fold-const.c (fold_unary, fold_binary): Update comments
7160         about arguments.
7162 2005-03-22  Hans-Peter Nilsson  <hp@axis.com>
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.
7169 2005-03-22  Ben Elliston  <bje@au.ibm.com>
7171         * dwarf2out.c (dwarf_type_encoding_name): Remove unused prototype
7172         and definition.
7174 2005-03-21  Mike Stump  <mrs@apple.com>
7176         * varasm.c (default_assemble_visibility): Remove extra ().
7178 2005-03-21  Roger Sayle  <roger@eyesopen.com>
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.
7185 2005-03-21  Kazu Hirata  <kazu@cs.umass.edu>
7187         * config/i860/i860.h (PREDICATE_CODES): Remove nonexistent
7188         predicates.
7190 2005-03-21  Richard Sandiford  <rsandifo@redhat.com>
7192         * config/ip2k/ip2k.h (target_flags, TARGET_SWITCHES): Delete.
7194 2005-03-21  Richard Sandiford  <rsandifo@redhat.com>
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.
7200 2005-03-18  Daniel Berlin  <dberlin@dberlin.org>
7202         Fix PR tree-optimization/20542
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.
7211 2005-03-21 Mostafa Hagog <mustafa@il.ibm.com>
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.
7225 2005-03-21  Bob Wilson  <bob.wilson@acm.org>
7227         * config/xtensa/lib1funcs.asm (__mulsi3): Use symbolic name for ACCLO.
7228         * config/xtensa/xtensa.md (movsi_internal, movhi_internal,
7229         movqi_internal): Likewise.
7231 2005-03-21  Bob Wilson  <bob.wilson@acm.org>
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.
7272 2005-03-21  Kazu Hirata  <kazu@cs.umass.edu>
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.
7294 2005-03-21  Zack Weinberg  <zack@codesourcery.com>
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.
7304 2005-03-21  Kazu Hirata  <kazu@cs.umass.edu>
7306         * tree-into-ssa.c: Remove obsolete comments.
7308 2005-03-21  Richard Guenther  <rguenth@gcc.gnu.org>
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.
7315 2005-03-21  Uros Bizjak  <uros@kss-loka.si>
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.
7328 2005-03-21  Paolo Bonzini  <bonzini@gnu.org>
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.
7339 2005-03-21  Kazu Hirata  <kazu@cs.umass.edu>
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.
7348 2005-03-21  Paolo Bonzini  <bonzini@gnu.org>
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.
7356 2005-03-21  Kazu Hirata  <kazu@cs.umass.edu>
7358         * builtins.c (fold_builtin_1): Take decomposed arguments of
7359         CALL_EXPR.
7360         (fold_builtin): Update a call to fold_builtin_1.
7362 2005-03-21  Nathan Sidwell  <nathan@codesourcery.com>
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.
7370 2005-03-21  Richard Sandiford  <rsandifo@redhat.com>
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.
7385 2005-03-20  Roger Sayle  <roger@eyesopen.com>
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.
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.
7400 2005-03-21  Joseph S. Myers  <joseph@codesourcery.com>
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.
7410 2005-03-21  Alan Modra  <amodra@bigpond.net.au>
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.
7416 2005-03-20  Joseph S. Myers  <joseph@codesourcery.com>
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.
7426 2005-03-20  Roger Sayle  <roger@eyesopen.com>
7427             Joseph S. Myers  <joseph@codesourcery.com>
7429         * varasm.c (do_assemble_alias): Restore comment describing function.
7430         Annotate the target parameter as potentially unused.
7432 2005-03-20  Marek Michalkiewicz  <marekm@amelek.gda.pl>
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.
7438 2005-03-20  David Edelsohn  <edelsohn@gnu.org>
7440         * config/rs6000/rs6000.c (rs6000_generate_compare): Test
7441         flag_finite_math_only, not flag_unsafe_math_optimizations.
7443 2005-03-20  Kazu Hirata  <kazu@cs.umass.edu>
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.
7459 2005-03-20  Jan Hubicka  <jh@suse.cz>
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.
7465 2005-03-20  Joseph S. Myers  <joseph@codesourcery.com>
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.
7479 2005-03-20  Kazu Hirata  <kazu@cs.umass.edu>
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.
7487 2005-03-20  Joseph S. Myers  <joseph@codesourcery.com>
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.
7493 2005-03-19  Joseph S. Myers  <joseph@codesourcery.com>
7495         * doc/extend.texi (__builtin_inf): Move statement about INFINITY
7496         to __builtin_inff.
7498 2005-03-19  Joseph S. Myers  <joseph@codesourcery.com>
7500         * c.opt (ansi, std=iso9899:1990, std=iso9899:1999,
7501         std=iso9899:199x): Correct descriptions.
7503 2005-03-19  Joseph S. Myers  <joseph@codesourcery.com>
7505         * config.gcc: Consistently use solaris2.1[0-9]* instead of
7506         solaris2.1[0-9].
7508 2005-03-19  Kazu Hirata  <kazu@cs.umass.edu>
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.
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.
7521 2005-03-19  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
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.
7529 2005-03-19  Bernd Schmidt  <bernd.schmidt@analog.com>
7531         * combine.c (try_combine): When changing the mode of a hard reg, make
7532         sure that doing so is valid.
7534 2005-03-19  Richard Sandiford  <rsandifo@redhat.com>
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.
7549 2005-03-18  2005-03-18  Kazu Hirata  <kazu@cs.umass.edu>
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.
7577 2005-03-18  James E Wilson  <wilson@specifixinc.com>
7579         PR c++/19769
7580         * dwarf2out.c (declare_in_namespace): Ignore decls with an abstract
7581         origin.
7583 2005-03-18  Kazu Hirata  <kazu@cs.umass.edu>
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.
7593 2005-03-18  Joseph S. Myers  <joseph@codesourcery.com>
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.
7598 2005-03-18  Jan Hubicka  <jh@suse.cz>
7599             Dale Johannesen  <dalej@apple.com>
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.
7612 2005-03-18  Kazu Hirata  <kazu@cs.umass.edu>
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.
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.
7661         * config/v850/v850.h (PREDICATE_CODES): Remove a nonexistent
7662         predicate.
7664 2005-03-18  Kazu Hirata  <kazu@cs.umass.edu>
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.
7675 2005-03-18  Jan Hubicka  <jh@suse.cz>
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.
7683 2005-03-18  Kazu Hirata  <kazu@cs.umass.edu>
7685         * tree-into-ssa.c (find_idf): Use VEC_quick_push instead of
7686         VEC_safe_push.
7688 2005-03-18  Paolo Bonzini  <bonzini@gnu.org>
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.
7701 2005-03-18  Alexey Neyman  <alex.neyman@auriga.ru>
7702             Paolo Bonzini  <gcc.gnu.org>
7704         * calls.c (setjmp_call_p, special_function_p): Update comments
7705         at the head of the functions.
7707 2005-03-18  Jan Hubicka  <jh@suse.cz>
7709         * tree-cfg.c (fold_cond_expr_cond): Use boolean types for condition.
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.
7715 2005-03-18  Ralf Corsepius  <ralf.corsepius@rtems.org>
7717         * config/i386/t-rtems-i386 (MULTILIBS): Remove k6, athlon,
7718         mno-fp-ret-in-387 multilib variants.
7720 2005-03-18  Richard Sandiford  <rsandifo@redhat.com>
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.
7727 2005-03-18  Kazu Hirata  <kazu@cs.umass.edu>
7729         * builtins.c (fold_builtin_bitop): Take decomposed arguments
7730         of CALL_EXPR.
7731         (fold_builtin_1): Update a call to fold_builtin_bitop.
7733         * builtins.c (fold_builtin_signbit): Take decomposed arguments
7734         of CALL_EXPR.
7735         (fold_builtin_1): Update a call to fold_builtin_signbit.
7737 2005-03-17  Dorit Naishlos  <dorit@il.ibm.com>
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.
7743 2005-03-17  Kazu Hirata  <kazu@cs.umass.edu>
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.
7780 2005-03-17  Richard Henderson  <rth@redhat.com>
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.
7815 2005-03-17  H.J. Lu  <hongjiu.lu@intel.com>
7817         PR target/18380
7818         * config/ia64/unwind-ia64.c (_Unwind_FindTableEntry): Removed.
7820 2005-03-17  Kazu Hirata  <kazu@cs.umass.edu>
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.
7835         * config/alpha/alpha.opt, config/arc/arc.opt,
7836         config/h8300/h8300.opt, config/mips/mips.opt: Add copyright
7837         notices.
7839 2005-03-17  Ian Lance Taylor  <ian@airs.com>
7841         * gmon.c: Remove.
7843 2005-03-17  Richard Sandiford  <rsandifo@redhat.com>
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.
7859 2005-03-17  Richard Henderson  <rth@redhat.com>
7861         * doc/extend.texi (Weak Pragmas): New section.
7862         (attribute alias): Clarify that target must be in the same
7863         translation unit.
7865 2005-03-17  Richard Henderson  <rth@redhat.com>
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.
7906 2005-03-16  James E. Wilson  <wilson@specifixinc.com>
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.
7913 2005-03-16  Daniel Berlin  <dberlin@dberlin.org>
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.
7919 2005-03-16 Dale Johannesen  <dalej@apple.com>
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.
7925 2005-03-16  Roger Sayle  <roger@eyesopen.com>
7927         * optabs.c (expand_copysign_absneg): Make static.
7928         * optabs.h (expand_copysign_absneg): Delete prototype.
7929         * config/rs6000/rs6000.md (copysigntf3): Delete pattern.
7931 2005-03-16  Richard Henderson  <rth@redhat.com>
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.
7950 2005-03-16  Daniel Berlin  <dberlin@dberlin.org>
7952         Fix PR tree-optimization/20489
7954         * tree-ssa-alias.c (push_fields_onto_fieldstack): DTRT
7955         for empty structures.
7957 2005-03-16  Daniel Berlin  <dberlin@dberlin.org>
7959         Fix PR tree-optimization/20490
7961         * tree-ssa-pre.c (create_expression_by_pieces): Use
7962         force_gimple_operand on result of fold.
7964 2005-03-16  Andrew Pinski  <pinskia@physics.uc.edu>
7966         * config/i386/emmintrin.h (_mm_extract_epi16): Correct the number
7967         of closing parenthesis.
7969 2005-03-16  Kazu Hirata  <kazu@cs.umass.edu>
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.
7983 2005-03-16  Steven Bosscher  <stevenb@suse.de>
7984             Dorit Naishlos  <dorit@il.ibm.com>
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.
7990 2005-03-16  Steven Bosscher  <stevenb@suse.de>
7992         * tree-inline.c (walk_type_fields, walk_tree,
7993         walk_tree_without_duplicates): Move from here...
7994         * tree.c: ...to here.
7996 2005-03-15  Zack Weinberg  <zack@codesourcery.com>
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.
8035 2005-03-15  Roger Sayle  <roger@eyesopen.com>
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.
8042 2005-03-15  Roger Sayle  <roger@eyesopen.com>
8044         * optabs.c (expand_doubleword_mult): Avoid clobbering op0 and
8045         op1 whilst expanding the signed widenening multiply variant.
8047 2005-03-15  Richard Sandiford  <rsandifo@redhat.com>
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.
8066 2005-03-15  Roger Sayle  <roger@eyesopen.com>
8067             Richard Henderson  <rth@redhat.com>
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.
8075 2005-03-15  Dorit Naishlos  <dorit@il.ibm.com>
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.
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 =.
8107 2005-03-15  Daniel Jacobowitz  <dan@codesourcery.com>
8109         * config/arm/arm.h (CONDITIONAL_REGISTER_USAGE): Don't clear
8110         call_used_regs for wCG registers.
8112 2005-03-15  Ulrich Weigand  <uweigand@de.ibm.com>
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.
8118 2005-03-15  Uros Bizjak  <uros@kss-loka.si>
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.
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.
8159 2005-03-15  J"orn Rennecke <joern.rennecke@st.com>
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.
8165 2005-03-14  Eric Christopher  <echristo@redhat.com>
8167         * config/mips/mips.h (DWARF_CIE_DATA_ALIGNMENT): Change for
8168         STACK_GROWS_DOWNWARD.
8170 2005-03-14  Roger Sayle  <roger@eyesopen.com>
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.
8187 2005-03-14  Daniel Berlin <dberlin@dberlin.org>
8189         Fix PR tree-optimization/20458
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.
8200 2005-03-14  Geoffrey Keating  <geoffk@apple.com>
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.
8209 2005-03-14  Devang Patel  <dpatel@apple.com>
8211         * doc/invoke.texi: Add reference to Visibility document.
8213 2005-03-14  Richard Sandiford  <rsandifo@redhat.com>
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.
8250 2005-03-14  Richard Sandiford  <rsandifo@redhat.com>
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.
8309 2005-03-14  Alexandre Oliva  <aoliva@redhat.com>
8311         PR middle-end/18628
8312         * cse.c (fold_rtx_mem): Don't fold a load from a jumptable into a
8313         register.
8315 2005-03-14  Alexandre Oliva  <aoliva@redhat.com>
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.
8323 2005-03-14  Kazu Hirata  <kazu@cs.umass.edu>
8325         * cfgbuild.c: Update comments.
8327 2005-03-14  Roger Sayle  <roger@eyesopen.com>
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.
8336 2005-03-14  Kazu Hirata  <kazu@cs.umass.edu>
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.
8346 2005-03-14  Zdenek Dvorak  <dvorakz@suse.cz>
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.
8355 2005-03-14  Zdenek Dvorak  <dvorakz@suse.cz>
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.
8371 2005-03-14  Uros Bizjak  <uros@kss-loka.si>
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.
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.
8394 2005-03-14  Zdenek Dvorak  <dvorakz@suse.cz>
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.
8401 2005-03-14  Zdenek Dvorak  <dvorakz@suse.cz>
8403         * basic-block.h (BB_VISITED): Removed.
8404         * cfganal.c (dfs_enumerate_from): Do not use BB_VISITED flag.
8406 2005-03-14  Falk Hueffner  <falk@debian.org>
8408         PR bootstrap/20424
8409         * config/alpha/alpha.c (alpha_fold_builtin_cmpbge): Fix typo.
8411 2005-03-14  Kazu Hirata  <kazu@cs.umass.edu>
8413         * ggc-zone.c: Fix comment typos.
8415         * alloc-pool.c, except.h, ggc-common.c, ggc-zone.c, ggc.h,
8416         stringpool.c, config/mips/mips-protos.h: Update copyright.
8418 2005-03-14  Alan Modra  <amodra@bigpond.net.au>
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.
8427 2005-03-14  Kazu Hirata  <kazu@cs.umass.edu>
8429         * except.c (check_handled): Make it static.
8430         * except.h: Remove the corresponding prototype.
8432         * function.c (get_func_frame_size): Make it static.
8433         * function.h: Remove the corresponding type.
8435         * regclass.c (reg_class_superclasses, reg_class_subclasses):
8436         Make them static.
8437         * hard-reg-set.h: Remove the corresponding declarations.
8439         * tree-cfg.c (verify_stmts): Check that
8440         bb_for_stmt (stmt) == bb for every PHI node and statement.
8442 2005-03-14  Alan Modra  <amodra@bigpond.net.au>
8444         * config.gcc: Remove excess indentation.
8445         (powerpc*-*-*, rs6000-*-*): Accept --with-cpu/tune power5 and 8548.
8447 2005-03-13  Roger Sayle  <roger@eyesopen.com>
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.
8455 2005-03-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
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.
8461 2005-03-13  David Edelsohn  <edelsohn@gnu.org>
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.
8472 2005-03-13  Daniel Jacobowitz  <dan@codesourcery.com>
8474         * ggc-zone.c: Rewritten.
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.
8510 2005-03-13  Daniel Jacobowitz  <dan@codesourcery.com>
8511             Joseph S. Myers  <joseph@codesourcery.com>
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.
8539 2005-03-13  Daniel Jacobowitz  <dan@codesourcery.com>
8541         * configure.ac: Update checks for target tools.
8542         * configure: Regenerated.
8544 2005-03-13  Daniel Jacobowitz  <dan@codesourcery.com>
8546         * varasm.c (decl_tls_model): Check flag_shlib instead of flag_pic.
8548 2005-03-13  Roger Sayle  <roger@eyesopen.com>
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.
8556 2005-03-13  Kazu Hirata  <kazu@cs.umass.edu>
8558         * tree-into-ssa.c (find_idf): Speed up by putting the indexes
8559         of basic blocks into work_stack.
8561         * builtin-attrs.def, c-lex.c, c-pragma.h, reg-stack.c,
8562         config/mips/vr.h: Update copyright.
8564         * c-decl.c (c_init_decl_processing): Remove useless calls to
8565         build_function_type.
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).
8575         * builtins.c (expand_builtin_mathfn_3): Remove local variable
8576         before_call.
8578         * lambda-code.c (lambda_compute_auxillary_space): Remove local
8579         variable determinant.
8581         * tree-cfg.c (group_case_labels): Remove local variable type.
8583         * tree-ssa-live.c (build_tree_conflict_graph): Remove local
8584         variable ann.
8586         * tree-ssa-phiopt.c (value_replacement): Remove local variable
8587         result.
8589 2005-03-13  Andy Hutchinson  <HutchinsonAndy@netscape.net>
8591         PR target/18251
8592         * config/avr/avr.md (movmemhi): Rewrite as RTL loop.
8593         (*movmemqi_insn): Delete.
8594         (*movmemhi): Delete.
8596 2005-03-13  Kazu Hirata  <kazu@cs.umass.edu>
8598         * builtins.c (fold_builtin_classify): Take decomposed
8599         arguments of CALL_EXPR.
8600         (fold_builtin_1): Update a call to fold_builtin_classify.
8602 2005-03-13  Joseph S. Myers  <joseph@codesourcery.com>
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.
8610 2005-03-12  Daniel Berlin  <dberlin@dberlin.org>
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.
8617         * tree-flow.h (mem_tag_kind): Add STRUCT_FIELD.
8618         (struct subvar): New type.
8620         * tree-dfa.c (okay_component_ref_for_subvars): New function.
8622         * tree-optimize.c (init_tree_optimization_passes): Call
8623         pass_create_structure_vars.
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.
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.
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.
8659         * tree-vect-transform.c (vect_create_data_ref_ptr): Copy subvars.
8661         * tree-vectorizer.h (struct _stmt_vec_info): Add subvars member.
8662         (STMT_VINFO_SUBVARS): New macro.
8664         * common.opts: add flag_tree_salias.
8666         * opts.c (decode_options): flag_tree_salias defaults to on.
8668         * doc/invoke.texi: Document fdump-tree-svars and -ftree-salias.
8670         * doc/tree-ssa.texi: Document structural alias analysis.
8672 2005-03-12  Steven Bosscher  <stevenb@suse.de>
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.
8679 2005-03-12  Kazu Hirata  <kazu@cs.umass.edu>
8681         * tree-ssa.c (kill_redundant_phi_nodes): Remove local variable
8682         var.
8684         * tree-ssa-phiopt.c (tree_ssa_phiopt): Remove local variable
8685         removed_phis.
8687         * tree-ssa-pre.c (compute_avail): Remove local variable val.
8688         (mark_operand_necessary): Remove local variable ver.
8690         * tree-vect-transform.c (vect_get_new_vect_var): Remove local
8691         variable prefix_len.
8693         * value-prof.c (mod_subtract_transform): Remove local variable
8694         value.
8696         * builtins.c (fold_builtin_exponent): Take decomposed
8697         arguments of CALL_EXPR.
8698         (fold_builtin_1): Update a call to fold_builtin_exponent.
8700         * builtins.c (fold_builtin_logarithm): Take decomposed
8701         arguments of CALL_EXPR.
8702         (fold_builtin_1): Update a call to fold_builtin_logarithm.
8704         * c-decl.c (c_init_decl_processing): Remove local variables
8705         ptr_ftype_void and ptr_ftype_ptr.
8707         * gimplify.c (gimplify_expr): Remove local variables r0 and
8708         r1.
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.
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.
8719         * tree-inline.c (expand_call_inline): Remove local variable
8720         decl.
8722         * tree-ssa-live.c (create_ssa_var_map,
8723         calculate_live_on_entry): Remove local variable snn.
8725 2005-03-12  Geoffrey Keating  <geoffk@apple.com>
8727         * c-lex.c (c_lex_with_flags): Add parameter to call to
8728         cpp_spell_token.
8730 2005-03-11  Per Bothner  <per@bothner.com>
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.
8745 2005-03-11  Roger Sayle  <roger@eyesopen.com>
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.
8751 2005-03-12  Kazu Hirata  <kazu@cs.umass.edu>
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.
8758 2005-03-11  David Edelsohn  <edelsohn@gnu.org>
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.
8765 2005-03-11  Richard Henderson  <rth@redhat.com>
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.
8772 2005-03-11  Richard Sandiford  <rsandifo@redhat.com>
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.
8795 2005-03-11  Richard Sandiford  <rsandifo@redhat.com>
8797         * config/mips/mips.c (override_options): Only warn about -mint64
8798         deprecation if TARGET_INT64.
8800 2005-03-11  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
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.
8811         * builtins.def: Use the non-specific "nonnull" attibute lists.
8813 2005-03-11  Zdenek Dvorak  <dvorakz@suse.cz>
8815         * basic-block.h (single_succ_p, single_pred_p, single_succ_edge,
8816         single_pred_edge, single_succ, single_pred): Improve comments.
8818 2005-03-11  Zdenek Dvorak  <dvorakz@suse.cz>
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.
8892 2005-03-11  James A. Morrison  <phython@gcc.gnu.org>
8894         PR tree-optimization/15784
8895         * fold-const.c (fold): Fold ~A + 1 to -A.  Fold -A - 1
8896         and -1 - A to ~A.
8898         * stmt.c (expand_case): Don't change index_type.  Convert minval
8899         to the proper type.
8901         PR tree-optimization/20130
8902         * fold-const.c (fold): Fold x * -1 into -x.
8904 2005-03-11  Kaz Kojima  <kkojima@gcc.gnu.org>
8906         PR rtl-optimization/20331
8907         * rtlanal.c (modified_between_p): Check its address first for MEM.
8908         (modified_in_p): Likewise.
8910 2005-03-11  Joseph S. Myers  <joseph@codesourcery.com>
8912         * config.gcc (hppa*64*-*-hpux11*): Use pa/t-hpux-shlib.
8914 2005-03-10  Steven Bosscher  <stevenb@suse.de>
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.
8920 2005-03-10  Andrew Pinski  <pinskia@physics.uc.edu>
8922         PR rtl-opt/20412
8923         * simplify-rtx.c (simplify_relational_operation_1): Fix typo - check the
8924         correct mode.
8926 2005-03-10  Roger Sayle  <roger@eyesopen.com>
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.
8932 2005-03-10  Jakub Jelinek  <jakub@redhat.com>
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.
8938 2005-03-10  Aldy Hernandez  <aldyh@redhat.com>
8940         * doc/invoke.texi: Add 8540 to list of cpus in rs6000 cpu section.
8942 2005-03-10  Kazu Hirata  <kazu@cs.umass.edu>
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.
8949         * tree-outof-ssa.c (analyze_edges_for_bb): Update a comment.
8951 2005-03-10  Bob Wilson  <bob.wilson@acm.org>
8953         * config/xtensa/xtensa.h (MEMBER_TYPE_FORCES_BLK): Define.
8955 2005-03-10  Nathan Sidwell  <nathan@codesourcery.com>
8957         * bitmap.c (bitmap_copy): Remove manual loop unrolling.
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.
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.
8987 2005-03-10  Kazuhiro Inaoka  <inaoka.lazuhiro@renesas.com>
8989         * config/m32r/m32r.md (load_sda_base_32): New pattern.  Loads
8990         sda base address on medium model.
8992 2005-03-10  Zdenek Dvorak  <dvorakz@suse.cz>
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.
9022 2005-03-10  Jakub Jelinek  <jakub@redhat.com>
9024         PR inline-asm/20314
9025         * gimplify.c (gimplify_asm_expr): Handle input/output constraints
9026         with multiple alternatives.
9028         * stmt.c (parse_output_constraint): Fix a typo.
9030 2005-03-09  Bob Wilson  <bob.wilson@acm.org>
9032         * config/xtensa/xtensa.h (TRAMPOLINE_TEMPLATE): Use "no-transform"
9033         assembly directive instead of deprecated "no-generics".
9035 2005-03-09  Ulrich Weigand  <uweigand@de.ibm.com>
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.
9044 2005-03-09  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
9046         * builtins.c (fold_builtin_cbrt, fold_builtin_pow): Rearrange
9047         code.  Add more cbrt transformations.
9049 2005-03-09  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
9051         * fold-const.c (fold_unary_to_constant): Add FIX_ROUND_EXPR case.
9053 2005-03-09  Kazu Hirata  <kazu@cs.umass.edu>
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.
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.
9064 2005-03-09  Roger Sayle  <roger@eyesopen.com>
9066         * builtins.c (fold_builtin_unordered_cmp): Change prototype to take
9067         a fndecl and an arglist instead of a CALL_EXPR, exp.
9069 2005-03-09  Kazu Hirata  <kazu@cs.umass.edu>
9071         * cfglayout.c (fixup_reorder_chain): Remove old_bb.
9073         * cfgrtl.c (cfg_layout_merge_blocks): Remove new_e.
9075         * expr.c (expand_assignment): Remove orig_to_rtx.
9077         * fold-const.c (int_const_binop): Remove no_overflow.
9079         * ifcvt.c (noce_emit_move_insn): Remove inmode.
9081         * loop-iv.c (get_biv_step_1): Remove lhs.
9083         * loop-unroll.c (analyze_insns_in_loop): Remove preheader.
9085         * real.c (real_nan): Remove neg.
9087         * function.c (thread_prologue_and_epilogue_insns): Remove i
9088         and newinsn.
9090         * tree-data-ref.c (array_base_name_differ_p): Remove ta and
9091         tb.
9093         * tree-eh.c (tree_could_trap_p): Remove idx.
9095         * tree-into-ssa.c (ann): Remove ann.
9097         * tree-outof-ssa.c (num_nodes): Remove num_nodes.
9099         * tree-sra.c (decide_block_copy): Remove inst_count.
9101         * tree-ssa-alias.c (may_alias_p): Remove v_ann.
9103         * tree-ssa-loop-im.c (lhs): Remove.
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.
9112 2005-03-08  Jeff Law  <law@redhat.com>
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.
9118 2005-03-09  Ben Elliston  <bje@au.ibm.com>
9120         * c-common.c (c_do_switch_warnings): Comment fix.
9122 2005-03-08  Julian Brown  <julian@codesourcery.com>
9124         * Patch from 2005-03-08 reverted for causing regressions and
9125         ppc-darwin bootstrap failure.
9127 2005-03-08  Fariborz Jahanian <fjahanian@apple.com>
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.
9142 2005-03-08  Kazu Hirata  <kazu@cs.umass.edu>
9144         * c-typeck.c (constructor_stack, constructor_range_stack,
9145         initializer_stack): Make them static.
9147         * cfg.c (rbi_pool): Make it static.
9149         * gimple-low.c (lower_stmt_body): Make it static.
9150         * tree-flow.h: Remove the corresponding prototype.  Don't
9151         declare lower_data.
9153         * sched-deps.c (cache_size): Make it static.
9155         * stor-layout.c (lang_adjust_rli): Make it static.
9157 2005-03-08  Julian Brown  <julian@codesourcery.com>
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.
9163 2005-03-08  J"orn Rennecke <joern.rennecke@st.com>
9165         * jump.c (invert_jump_1): Don't call redirect_jump_1 with
9166         nlabel == JUMP_LABEL (jump).
9168 2005-03-08  Kazu Hirata  <kazu@cs.umass.edu>
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.
9175 2005-03-08  Alexey Neyman  <alex.neyman@auriga.ru>
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.
9185 2005-03-08  Kazu Hirata  <kazu@cs.umass.edu>
9187         * tree-ssa-phiopt.c: Fix a comment typo.
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.
9194 2005-03-08  Richard Henderson  <rth@redhat.com>
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.
9217 2005-03-08  Ira Rosen  <irar@il.ibm.com>
9219         PR tree-optimization/20122
9220         * tree-vect-analyze.c (vect_object_analysis): Analyze initial
9221         condition of access function instead of base.
9223 2005-03-07  Jeff Law  <law@redhat.com>
9224             Steven Bosscher  <stevenb@suse.de>
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.
9241 2005-03-08  Kazu Hirata  <kazu@cs.umass.edu>
9243         * tree-ssa-phiopt.c: Update copyright.  Fix indentations.
9244         Remove trailing spaces.
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.
9250         * diagnostic.h: Remove unused prototype
9251         debug_output_buffer.
9252         * modulo-sched.c: Remove unused prototype
9253         set_row_column_for_ps.
9255         * tree-ssa-phiopt.c (tree_ssa_phiopt,
9256         replace_phi_edge_with_variable): Remove unused variable i.
9258 2005-03-07  Per Bothner  <per@bothner.com>
9260         * tree.h (DECL_IS_BUILTIN): Reverted my patch from earlier today.
9262 2005-03-06  Andrew Pinski  <pinskia@physics.uc.edu>
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.
9276 2005-03-07  Aldy Hernandez  <aldyh@redhat.com>
9278         * config/rs6000/rs6000-protos.h: Rename output_e500_flip_eq_bit to
9279         output_e500_flip_gt_bit.
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.
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.
9294         * config/rs6000/spe.md ("e500_cr_ior_compare"): New.
9295         (E500_CR_IOR_COMPARE): New constant.
9297 2005-03-08  Earl Chew <earl_chew@agilent.com>
9298             David Billinghurst <David.Billinghurst@riotinto.com>
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.
9305 2005-03-07  David Edelsohn  <edelsohn@gnu.org>
9307         * fold-const.c (fold_binary_op_with_conditional_arg): Fix typo
9308         ordering ops from earlier change.
9310 2005-03-07  Per Bothner  <per@bothner.com>
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.
9323 2005-03-07  Richard Sandiford  <rsandifo@redhat.com>
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.
9330 2005-03-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
9332         * reorg.c (relax_delay_slots): Check that the jump is
9333         conditional before trying to invert it.
9335 2005-03-07  Kazu Hirata  <kazu@cs.umass.edu>
9337         * bb-reorder.c (max_entry_frequency, max_entry_frequency):
9338         Make them static.
9340         * calls (stack_arg_under_construction): Make it static.
9342         * flow.c (regs_live_at_setjmp): Make it static.
9343         * flow.h: Remove the corresponding prototype.
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.
9350         * recog.c (verify_changes): Make it static.
9351         * recog.h: Remove the corresponding prototype.
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.
9359         * tree-ssa-operands.c (check_build_stmt): Remove.
9361         * stor-layout.c (set_alignment): Remove.
9362         * tree.h: Remove the corresponding prototype.
9364         * tree-ssa-pre.c (has_abnormal_preds): Make it static.
9366         * tree-ssa-dce.c (control_dependence_map,
9367         visited_control_parents): Make them static.
9369         * cfghooks.c (verify_flow_info): Remove local variable
9370         num_bb_notes.
9372         * cfgrtl.c (rtl_verify_flow_info_1): Remove local variable
9373         last_bb_seen.
9375         * loop-unswitch.c (unswitch_loop): Remove local variable src.
9377 2005-03-07  David Billinghurst <David.Billinghurst@riotinto.com>
9379         * config/i386/cygwin1.c(mingw_scan): Use xstrdup in calls to putenv.
9381 2005-03-07  Joseph S. Myers  <joseph@codesourcery.com>
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.
9387 2005-03-07  Kazu Hirata  <kazu@cs.umass.edu>
9389         * fold-const.c (fold_binary): Remove handling of RANGE_EXPR.
9391         * fold-const.c (fold_binary): Unroll the very first "for"
9392         loop.
9394 2005-03-06  David Edelsohn  <edelsohn@gnu.org>
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.
9404 2005-03-06  Marek Michalkiewicz  <marekm@amelek.gda.pl>
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.
9411 2005-03-05  Kazu Hirata  <kazu@cs.umass.edu>
9413         * cselib.c (reg_values, reg_values_size): Make them static.
9415         * cse.c (cse_reg_info_table): Make it static.
9417         * fold-const.c (fold_unary): Use build1 instead of copy_node.
9419 2005-03-06  Zdenek Dvorak  <dvorakz@suse.cz>
9421         * cse.c (find_best_addr): Use canon_for_address.
9423 2005-03-06  Kazu Hirata  <kazu@cs.umass.edu>
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.
9429         * fold-const.c (fold_binary): Use code instead of t.
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.
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.
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.
9443 2005-03-06  Kazu Hirata  <kazu@cs.umass.edu>
9445         * fold-const.c (fold_binary): Avoid directly using the original
9446         expression t as much as possible.
9448 2005-03-05  Kazu Hirata  <kazu@cs.umass.edu>
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.
9456         * fold-const.c (fold): Remove handling of binary expressions.
9458 2005-03-05  James A. Morrison  <phython@gcc.gnu.org>
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
9470 2005-03-05  Kazu Hirata  <kazu@cs.umass.edu>
9472         * predict.c (apply_return_prediction): Standardize PHI chain
9473         walking.
9474         * tree-ssa.c (ssa_redirect_edge): Likewise.
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.
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.
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.
9501         * fold-const.c (fold_binary): New.
9502         (fold): Call fold_binary on binary expressions.
9504 2005-03-05  Richard Sandiford  <rsandifo@redhat.com>
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.
9512 2005-03-04  Devang Patel  <dpatel@apple.com>
9514         PR tree-optimization/18815
9515         * tree-if-conv.c (combine_blocks): Adjust loop header edges for
9516         loops with zero exit edges.
9518 2005-03-04  Devang Patel  <dpatel@apple.com>
9520         * doc/invoke.texi: Remove reference to webpage that does not exist.
9522 2005-03-04  John David Anglin  <dave.danglin@nrc-cnrc.gc.ca>
9523             Joseph S. Myers  <joseph@codesourcery.com>
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.
9546 2005-03-05  Joseph S. Myers  <joseph@codesourcery.com>
9548         * config.gcc (hppa*64*-*-hpux11*): Use pa/pa-hpux1111.h for
9549         *-*-hpux11.[1-9]*, not just for *-*-hpux11.11.
9551 2005-03-04  Jeff Law  <law@redhat.com>
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.
9573 2005-03-04  Kazu Hirata  <kazu@cs.umass.edu>
9575         * fold-const.c (fold_ternary): Unroll the "for" loop to
9576         extract operands.
9578 2005-03-04  Andrew Haley  <aph@redhat.com>
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.
9586 2005-03-04  Richard Sandiford  <rsandifo@redhat.com>
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.
9618 2005-03-04  Andrew Pinski  <pinskia@physics.uc.edu>
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.
9626 2005-03-04  Ben Elliston  <bje@au.ibm.com>
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.
9634 2005-03-04  Kazu Hirata  <kazu@cs.umass.edu>
9636         * gcse.c (bypass_block): Use find_edge wherever possible.
9638 2005-03-03  Daniel Berlin <dberlin@dbrelin.org>
9640         Fix PR debug/20253
9642         * c-opts.c (c_common_parse_file): Call start_source_file
9643         and end_source_file at the approriate times.
9645         * dwarf2out.c (dwarf2out_finish): Don't auto-end
9646         the main file, it will be done for us now.
9648 2005-03-04  Kazu Hirata  <kazu@cs.umass.edu>
9650         * fold-const.c (fold_ternary): New.
9651         (fold): Call fold_ternary on ternary expressions.  Remove
9652         handling of ternary expressions.
9654 2005-03-03  James A. Morrison  <phython@gcc.gnu.org>
9656         PR tree-optimization/15784
9657         * fold-const.c (fold): Fold ~A + 1 to -A.  Fold -A - 1
9658         and -1 - A to ~A.
9660 2005-03-03  David Edelsohn  <edelsohn@gnu.org>
9662         * config/rs6000/predicates.md (branch_comparison_operator):
9663         Convert from C block to conditional format.
9665 2005-03-03  Jan Hubicka  <jh@suse.cz>
9667         * tree-dfa.c (add_referenced_var): Don't walk initializer of external
9668         and non-constant public variables.
9670 2005-03-03  Kazu Hirata  <kazu@cs.umass.edu>
9672         * tree-cfg.c (stmt_starts_bb_p): Clean up by replacing code
9673         with LABEL_EXPR.
9675         * cfgexpand.c (construct_exit_block): Use EDGE_PRED instead of
9676         EDGE_I.
9678         * tree-phinodes.c (remove_phi_node): Clean up by factoring out
9679         calls to release_ssa_name and release_phi_node.
9681         * fold-const.c (fold): Remove handling of unary expressions.
9683         * fold-const.c (fold_unary): Avoid directly using the original
9684         expression t as much as possible.
9686 2005-03-03  Roger Sayle  <roger@eyesopen.com>
9687             Andrew Pinski  <pinskia@physics.uc.edu>
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.
9692 2005-03-03  Hans-Peter Nilsson  <hp@axis.com>
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.
9735 2005-03-03  Alan Modra  <amodra@bigpond.net.au>
9737         PR target/20277
9738         * config/rs6000/rs6000.c (rs6000_override_options): Don't allow
9739         -mcpu to override any other explicitly given flags.
9741 2005-03-02  J"orn Rennecke <joern.rennecke@st.com>
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.
9755 2005-03-02  Geoffrey Keating  <geoffk@apple.com>
9757         * varasm.c (named_section): Use xstrdup rather than doing it by
9758         hand.
9760         * config/darwin8.h (LIB_SPEC): Switch -lmx and -lSystem.
9762 2005-03-02  Devang Patel  <dpatel@apple.com>
9764         Undo PR tree-optimization/18815 fix.
9766 2005-03-02  Devang Patel  <dpatel@apple.com>
9768         PR tree-optimization/18815
9769         * tree-if-conv.c (combine_blocks): Adjust loop header edges for
9770         loops with zero exit edges.
9772 2005-03-02  Kazu Hirata  <kazu@cs.umass.edu>
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.
9779         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Call
9780         free_dominance_info only when needed.
9782 2005-03-02  David Edelsohn  <edelsohn@gnu.org>
9784         PR target/20276
9785         * config/rs6000/predicates.md (reg_or_cint64_operand): Fix typo.
9786         (reg_or_sub_cint64_operand): Same.
9788 2005-03-02  Jeff Law  <law@redhat.com>
9790         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Fix setting of
9791         CFG_ALTERED in the main DOM iteration loop.
9793 2005-03-02  Mark Mitchell  <mark@codesourcery.com>
9795         PR c++/19916
9796         * varasm.c (initializer_constant_valid_p): Allow conversions
9797         between OFFSET_TYPEs.  Tidy.
9799 2005-03-02  Hans-Peter Nilsson  <hp@axis.com>
9801         * config/cris/cris.md ("return"): Remove epilogue delay list
9802         sanity check.
9804 2005-03-02  Daniel Jacobowitz  <dan@codesourcery.com>
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.
9810 2005-03-02  Kazu Hirata  <kazu@cs.umass.edu>
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.
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.
9822         * fold-const.c (fold_unary): New.
9823         (fold): Call fold_unary on unary expressions.
9825 2005-03-02  Richard Guenther  <rguenth@gcc.gnu.org>
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.
9845 2005-03-02  Joseph S. Myers  <joseph@codesourcery.com>
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.
9855 2005-03-01  David Edelsohn  <edelsohn@gnu.org>
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.
9864 2005-03-01  Hans-Peter Nilsson  <hp@axis.com>
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.
9876 2005-03-01  David Edelsohn  <edelsohn@gnu.org>
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.
9883 2005-03-01  Daniel Berlin <dberlin@dberlin.org>
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
9905 2005-03-01  Per Bothner  <per@bothner.com>
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.
9911 2005-03-01  Zdenek Dvorak  <dvorakz@suse.cz>
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.
9967 2005-03-01  Nick Clifton  <nickc@redhat.com>
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.
9987 2005-02-28  John David Anglin  <dave.anglin#nrc-cnrc.gc.ca>
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.
9994 2005-02-28  Kaz Kojima  <kkojima@gcc.gnu.org>
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.
10006 2005-02-28  Dale Johannesen  <dalej@apple.com>
10007             Stan Shebs  <shebs@apple.com>
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.
10026 2005-02-28  Roger Sayle  <roger@eyesopen.com>
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.
10039 2005-02-28  James E Wilson  <wilson@specifixinc.com>
10041         * config/mips/mips.h (NO_PROFILE_COUNTERS): Define.
10043 2005-02-28  Joseph S. Myers  <joseph@codesourcery.com>
10045         PR c/20245
10046         * c-parser.c (c_parser_compound_statement): Return error_mark_node
10047         instead of NULL_TREE on error.
10049 2005-02-28  David Edelsohn  <edelsohn@gnu.org>
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
10138 2005-02-28  Kazu Hirata  <kazu@cs.umass.edu>
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.
10152 2005-02-28  Roger Sayle  <roger@eyesopen.com>
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.
10158 2005-02-28  Geert Bosch  <bosch@gnat.com>
10160         PR ada/15977
10161         * doc/contrib.texi: List contributors for Ada front end
10163 2005-02-28 Paolo Bonzini <bonzini@gnu.org>
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.
10174 2005-02-28  Julian Brown  <julian@codesourcery.com>
10176         * config/elfos.h: Revert my patch from 2005-02-25 since it broke
10177         building libjava and caused PR regression/20228.
10179 2005-02-28  Paolo Bonzini  <bonzini@gnu.org>
10181         PR bootstrap/17383
10182         * Makefile.in (host_subdir): New.
10183         (build_objdir): New.  Replace ../$(build_subdir) with it throughout.
10184         * configure: Regenerate.
10186 2005-02-27  Zack Weinberg  <zack@codesourcery.com>
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.
10192 2005-02-28  Hans-Peter Nilsson  <hp@axis.com>
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".
10209 2005-02-27  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
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.
10215 2005-02-26  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
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.
10222 2005-02-26  Nathanael Nerode  <neroden@gcc.gnu.org>
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.
10229 2005-02-26  Andrew Pinski  <pinskia@physics.uc.edu>
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.
10235 2005-02-26  Zdenek Dvorak  <dvorakz@suse.cz>
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.
10241 2005-02-25  Joseph S. Myers  <joseph@codesourcery.com>
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.
10264 2005-02-25  Julian Brown  <julian@codesourcery.com>
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.
10270 2005-02-25  Mark Mitchell  <mark@codesourcery.com>
10272         * doc/include/gcc-common.texi (version-GCC): Update to 4.1.
10274 2005-02-25  Steve Ellcey  <sje@cup.hp.com>
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.
10293 2005-02-25  Diego Novillo  <dnovillo@redhat.com>
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.
10300 2005-02-25  Mark Mitchell  <mark@codesourcery.com>
10302         * version.c (version_string): Update to 4.1.
10304 2005-02-25  Paolo Carlini  <pcarlini@suse.de>
10306         * doc/extend.texi (5.24 Declaring Attributes of Functions)<noreturn>:
10307         Clarify that the alternative way doesn't work in GNU C++.
10309 2005-02-25  Zdenek Dvorak  <dvorakz@suse.cz>
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.
10315 2005-02-25  Kaz Kojima  <kkojima@gcc.gnu.org>
10317         PR rtl-optimization/20117
10318         * bb-reorder.c (duplicate_computed_gotos): Don't duplicate
10319         the block including noncopyable insn.
10321 2005-02-24  Kazu Hirata  <kazu@cs.umass.edu>
10323         * cse.c (delete_trivially_dead_insns): Speed up by minimizing
10324         calls to find_reg_note.
10326 2005-02-24  Richard Henderson  <rth@redhat.com>
10328         PR tree-opt/20127
10329         * tree-sra.c (instantiate_element): Copy TREE_THIS_VOLATILE from
10330         the type.
10332 2005-02-24  Fariborz Jahanian <fjahanian@apple.com>
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.
10337 2005-02-24  Hans-Peter Nilsson  <hp@axis.com>
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.
10343 2005-02-24  David Edelsohn  <edelsohn@gnu.org>
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.
10349         * config/rs6000/rs6000.md (trunctfdf2): Remove register constraints.
10350         Fix formatting.
10352 2005-02-24  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
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.
10366 2005-02-24  Jakub Jelinek  <jakub@redhat.com>
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.
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.
10377 2005-02-24  Richard Henderson  <rth@redhat.com>
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.
10388 2005-02-24  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
10390         * tree-ssa-ccp.c (visit_assignment): Verify that result of
10391         VIEW_CONVERT_EXPR is_gimple_min_invariant.
10393         * print-tree.c (print_node_brief): Print LABEL_DECL_UID.
10394         (print_node): Likewise.
10395         Print TYPE_SIZES_GIMPLIFIED.
10397 2005-02-24  Hans-Peter Nilsson  <hp@axis.com>
10399         * config/cris/cris.md ("umulhisi3", "umulqihi3", "mulsi3")
10400         ("mulqihi3", "mulhisi3", "mulsidi3", "umulsidi3"): Mark input
10401         operands as commutative in constraints.
10403 2005-02-24  Diego Novillo  <dnovillo@redhat.com>
10405         * tree-into-ssa.c: Re-organize internal functions.
10407 2005-02-24  Richard Henderson  <rth@redhat.com>
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.
10419 2005-02-24  Kazu Hirata  <kazu@cs.umass.edu>
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.
10425 2005-02-24  Andrea Tarani  <andrea.tarani@gilbarco.com>
10427         * config/m68k/m68k.c (m68k_save_reg): Also save A5 for non-leaf
10428         functions when -mid-shared-library is being used.
10430 2005-02-23  Daniel Jacobowitz  <dan@codesourcery.com>
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.
10437 2005-02-23  James E Wilson  <wilson@specifixinc.com>
10439         * gengtype.c (note_insn_name): Make 1 element larger.
10441 2005-02-23  Roger Sayle  <roger@eyesopen.com>
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.
10448 2005-02-23  David Edelsohn  <edelsohn@gnu.org>
10450         * t-aix43 (SHLIB_INSTALL): Create directory for shared library.
10451         * t-aix52 (SHLIB_INSTALL): Same.
10453 2005-02-23  Kazu Hirata  <kazu@cs.umass.edu>
10455         * genpreds.c: Update copyright.
10457 2005-02-23  Michael Beach  <michaelb@ieee.org>
10459         PR target/20159
10460         * config/sparc/t-elf (startup files): Assemble with CPP.
10462 2005-02-23  Paolo Bonzini  <bonzini@gnu.org>
10464         * genpreds.c (mark_mode_tests): Handle non-VOIDmode match_operands.
10465         (write_predicate_expr): Likewise.
10467 2005-02-22  Diego Novillo  <dnovillo@redhat.com>
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.
10496 2005-02-22  James E Wilson  <wilson@specifixinc.com>
10498         * toplev.c (backend_init): Don't call init_adjust_machine_modes here.
10499         (do_compile): Do call it here.
10501 2005-02-22  Kazu Hirata  <kazu@cs.umass.edu>
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.
10508 2005-02-22  Devang Patel  <dpatel@apple.com>
10510         PR 19952
10511         * tree-if-conv.c (process_phi_nodes): Use bsi_after_labels and skip
10512         all labels
10514 2005-02-22  David Edelsohn  <edelsohn@gnu.org>
10516         * config/rs6000/aix.h (WINT_TYPE): Define.
10518 2005-02-22  Stan Shebs  <shebs@apple.com>
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.
10526 2005-02-22  DJ Delorie  <dj@redhat.com>
10528         * c-common.c (c_common_type_for_mode): Pass the mode's precision
10529         to make_[un]signed_type, not the mode itself.
10531 2005-02-22  Kazu Hirata  <kazu@cs.umass.edu>
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.
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.
10542 2005-02-22  Diego Novillo  <dnovillo@redhat.com>
10544         * tree-into-ssa.c (rewrite_blocks): Move debug dumps from ...
10545         (rewrite_into_ssa): ... here.
10547 2005-02-21  Alexandre Oliva  <aoliva@redhat.com>
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.
10553 2005-02-21  DJ Delorie  <dj@redhat.com>
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.
10560 2005-02-21  Stan Cox  <scox@redhat.com>
10562         * config/iq2000/iq2000.h (DWARF_FRAME_RETURN_COLUMN): Change to 31.
10564 2005-02-21  Kazu Hirata  <kazu@cs.umass.edu>
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.
10573         * flow.c (delete_dead_jumptables): Speed up by scanning insns
10574         that do not belong to any basic block.
10576 2005-02-21  Jeff Law  <law@redhat.com>
10578         * cfganal.c (find_unreachable_blocks): Manually CSE load of
10579         e->dest.
10581 2005-02-21  Kazu Hirata  <kazu@cs.umass.edu>
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.
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.
10593 2005-02-21  Ulrich Weigand  <uweigand@de.ibm.com>
10595         * dbxout.c (dbxout_function_end): Emit Lscope label always.
10597 2005-02-21  Richard Guenther  <rguenth@gcc.gnu.org>
10599         PR bootstrap/13770
10600         * doc/install.texi: Document --with-gc.
10602 2005-02-21  Paolo Bonzini  <bonzini@gnu.org>
10604         * simplify-rtx.c (simplify_unary_operation): Add a missing
10605         "break" statement.
10607 2005-02-21  Eric Botcazou  <ebotcazou@libertysurf.fr>
10609         PR tree-optimization/18663
10610         * tree-ssa-dom.c (extract_range_from_cond): Return 0
10611         if the type has variable bounds.
10613 2005-02-20  Kazu Hirata  <kazu@cs.umass.edu>
10615         * gcse.c: Remove an obsolete comment.
10617         * cse.c (init_cse_reg_info): Use xmalloc instead of xrealloc.
10619 2005-02-20  Hans-Peter Nilsson  <hp@axis.com>
10621         * doc/extend.texi (Function Attributes) <Attribute const>: The
10622         attribute "pure" is below this text, not above.
10624 2005-02-20  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
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.
10630 2005-02-20  Zack Weinberg  <zack@codesourcery.com>
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.
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.
10655 2005-02-20  Dorit Naishlos  <dorit@il.ibm.com>
10657         PR tree-optimization/19951
10658         * tree-vect-analyze.c (vect_analyze_loop_form): Check if loop exit edge
10659         is abnormal.
10661 2005-02-19  Steven Bosscher  <stevenb@suse.de>
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.
10672 2005-02-19  Zack Weinberg  <zack@codesourcery.com>
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.
10678 2005-02-19  Richard Sandiford  <rsandifo@redhat.com>
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.
10724 2005-02-19  Zdenek Dvorak  <dvorakz@suse.cz>
10725             Jakub Jelinek  <jakub@redhat.com>
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.
10732 2005-02-18  James A. Morrison  <phython@gcc.gnu.org>
10734         * tree-ssa-ccp.c (widen_bitfield): Pass type to build_int_cst and don't
10735         call fold_convert.
10737 2005-02-18  James E. Wilson  <wilson@specifixinc.com>
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.
10747 2005-02-19  Jakub Jelinek  <jakub@redhat.com>
10749         PR c/20043
10750         * c-typeck.c (composite_type): Handle quals in transparent unions.
10751         (type_lists_compatible_p): Likewise.
10753 2005-02-18  Stan Shebs  <shebs@apple.com>
10755         * config/darwin.c (machopic_select_rtx_section): Don't put relocatable
10756         expressions in the .literal8 section.
10758 2005-02-18  Geoffrey Keating  <geoffk@apple.com>
10760         * config/rs6000/darwin-tramp.asm: Remove stray 'APPLE LOCAL' marker.
10762 2005-02-18  Roger Sayle  <roger@eyesopen.com>
10764         * fold-const.c (constant_boolean_node): Always create values of the
10765         specified type, don't bother calling truthvalue_conversion.
10767 2005-02-18  Joseph S. Myers  <joseph@codesourcery.com>
10769         * except.c (output_function_exception_table): Call
10770         assemble_external_libcall (eh_personality_libfunc).
10772 2005-02-18  Joseph S. Myers  <joseph@codesourcery.com>
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.
10780 2005-02-18  Ulrich Weigand  <uweigand@de.ibm.com>
10782         PR target/20054
10783         * config/s390/s390.md ("*llgt_sidi", "*llgt_sidi_split"): Move to
10784         before the "*llgt_didi" pattern.
10786 2005-02-18  Jason Merrill  <jason@redhat.com>
10788         * gimplify.c (gimplify_modify_expr_rhs) [CALL_EXPR]: Revert again.
10790 2005-02-18  Richard Earnshaw  <rearnsha@arm.com>
10792         * arm/lib1funcs.asm (FUNC_ALIAS): New macro.
10793         (div0): Use it in place of ARM_FUNC_ALIAS.
10794         (lshrdi3, ashrdi3, ashlrdi3): Likewise.
10796 2005-02-18  Andrew Pinski  <pinskia@physics.uc.edu>
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.
10802 2005-02-18  Alexandre Oliva  <aoliva@redhat.com>
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.
10808 2005-02-18  James A. Morrison  <phython@gcc.gnu.org>
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.
10815 2005-02-18  Jakub Jelinek  <jakub@redhat.com>
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.
10822 2005-02-18  Joseph S. Myers  <joseph@codesourcery.com>
10824         * genautomata.c (output_get_cpu_unit_code_func,
10825         output_cpu_unit_reservation_p): Don't generate old-style function
10826         definitions.
10828 2005-02-18  Jakub Jelinek  <jakub@redhat.com>
10830         PR c++/20023
10831         PR tree-optimization/20009
10832         * convert.c (convert_to_integer): Revert 2005-02-16 change.
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.
10839 2005-02-17  Kazu Hirata  <kazu@cs.umass.edu>
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.
10847 2005-02-17  Roger Sayle  <roger@eyesopen.com>
10849         PR tree-optimization/19917
10850         * tree-eh.c (tree_could_trap_p): Consider calls to weak functions
10851         to be potentially trapping.
10853 2005-02-17  Kazu Hirata  <kazu@cs.umass.edu>
10855         * libgcc2.c, tree-vect-analyze.c: Fix comment typos.
10857 2005-02-17  Andreas Krebbel  <krebbel1@de.ibm.com>
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.
10869 2005-02-17  Jakub Jelinek  <jakub@redhat.com>
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.
10875 2005-02-17  Daniel Berlin  <dberlin@dberlin.org>
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.
10883 2005-02-17  Nathan Sidwell  <nathan@codesourcery.com>
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.
10942 2005-02-17  Ralf Corsepius  <ralf.corsepius@rtems.org>
10944         * config/rs6000/t-rtems: Completely reworked.
10946 2005-02-17  Ira Rosen  <irar@il.ibm.com>
10948         * tree-data-ref.c (array_base_name_differ_p): Remove gcc_assert.
10950 2005-02-17  Ira Rosen  <irar@il.ibm.com>
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.
10962 2005-02-17  Dorit Naishlos  <dorit@il.ibm.com>
10964         * Makefile.in (tree-vect-analyze.o, tree-vect-transform.o): New.
10965         (tree-vectorizer.o): Added missing dependencies.
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.
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.
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.
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.
11023         * tree-vect-analyze.c: New file.
11024         * tree-vect-transform.c: New file.
11026 2005-02-17  Jason Merrill  <jason@redhat.com>
11028         PR mudflap/19319, c++/19317
11029         * gimplify.c (gimplify_modify_expr_rhs) [CALL_EXPR]: Make return
11030         slot explicit.
11032 2005-02-17  Gerald Pfeifer  <gerald@pfeifer.com>
11034         * doc/install.texi (Specific): Update link for Darwin-specific
11035         tool binary site.
11037 2005-02-16  James A. Morrison  <phython@gcc.gnu.org>
11039         * fold-const.c (invert_truthvalue): <INTEGER_CST>: Call
11040         constant_boolean_node.
11042 2005-02-16  David Edelsohn  <edelsohn@gnu.org>
11044         PR target/19019
11045         * config/rs6000/t-aix43 (SHLIB_MAPFILES): Add libgcc-ppc64.ver.
11046         * config/rs6000/t-aix52 (SHLIB_MAPFILES): Same.
11048 2005-02-16  Richard Henderson  <rth@redhat.com>
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.
11068 2005-02-16  Richard Earnshaw  <rearnsha@arm.com>
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.
11083 2005-02-16  Stan Shebs  <shebs@apple.com>
11085         * config.gcc (powerpc-*-darwin*): Use fragment for Darwin 8 or later.
11086         * config/rs6000/t-darwin8: New, for 64-bit multilib.
11088 2005-02-16  Eric Botcazou  <ebotcazou@libertysurf.fr>
11090         * doc/install.texi (sparc-sun-solaris2*): Document required GMP
11091         configure settings on Solaris 7 and later.
11093 2005-02-16  Diego Novillo  <dnovillo@redhat.com>
11095         PR tree-optimization/19865
11096         * tree-optimize.c (init_tree_optimization_passes): Run
11097         pass_may_alias after pass_sra.
11099 2005-02-16  Richard Henderson  <rth@redhat.com>
11100             Stuart Hastings  <stuart@apple.com>
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.
11108 2005-02-16  Kazu Hirata  <kazu@cs.umass.edu>
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.
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.
11125 2005-02-16  Jakub Jelinek  <jakub@redhat.com>
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.
11133 2005-02-15  Jeff Law  <law@redhat.com>
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.
11145 2005-02-15  Peter O'Gorman  <peter@pogma.com>
11147         PR bootstrap/18810
11148         * mklibgcc.in (vis_hide): Use a temporary object file, not
11149         -o /dev/null.
11151 2005-02-15  Andy Hutchinson  <HutchinsonAndy@netscape.net>
11153         PR target/19924
11154         * config/avr/avr.h (MODES_TIEABLE_P): Define to 1 to allow subreg
11155         access optimization.
11157 2005-02-15  David Edelsohn  <edelsohn@gnu.org>
11158             Alan Modra  <amodra@bigpond.net.au>
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.
11172 2005-02-15  James A. Morrison  <phython@gcc.gnu.org>
11174         * fold-const.c (fold): Fold -(~A) to A + 1.  Fold ~(-A) to A - 1.
11175         Fold ~(A - 1) and ~(A + -1) to -A.
11177 2005-02-15  James A. Morrison  <phython@gcc.gnu.org>
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.
11184 2005-02-15  Daniel Berlin  <dberlin@dberlin.org>
11186         * tree-vn.c (get_value_handle): Make sure that given an
11187         is_gimple_min_invariant expression, we always return it.
11189 2005-02-15  Kazu Hirata  <kazu@cs.umass.edu>
11191         * passes.c (rest_of_handle_gcse): Fix a comment.
11193 2005-02-15  Jeff Law  <law@redhat.com>
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.
11201 2005-02-15  Kazu Hirata  <kazu@cs.umass.edu>
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.
11208 2005-02-15  Richard Henderson  <rth@redhat.com>
11210         * bb-reorder.c (find_traces_1_round): Force fallthru edge from a
11211         call to be best_edge.
11213 2005-02-14  Kazu Hirata  <kazu@cs.umass.edu>
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.
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.
11225 2005-02-14  Daniel Berlin  <dberlin@dberlin.org>
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.
11239 2005-02-14  Joseph S. Myers  <joseph@codesourcery.com>
11241         PR preprocessor/16323
11242         * doc/invoke.texi: Document that -Wendif-labels is on by default.
11244 2005-02-14  David Edelsohn  <edelsohn@gnu.org>
11246         PR target/19019
11247         * config/rs6000/rs6000.md (trunctfdf2): Change to define_expand.
11248         (trunctfdf2_internal1): New.
11249         (trunctfdf2_internal2): Renamed from trunctfdf2.
11251 2005-02-14  Diego Novillo  <dnovillo@redhat.com>
11253         PR tree-optimization/19853
11254         * tree-dfa.c (add_referenced_var): Always examine DECL_INITIAL.
11256 2005-02-14  Kazu Hirata  <kazu@cs.umass.edu>
11258         * passes.c (rest_of_handle_loop_optimize): Remove calls to
11259         delete_dead_jumptables and cleanup_cfg.
11261 2005-02-14  Ulrich Weigand  <uweigand@de.ibm.com>
11263         * reload.c (find_reloads): Swap address_reloaded flags when
11264         swapping commutative operands.
11266 2005-02-14  Sebastian Pop  <pop@cri.ensmp.fr>
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.
11274 2005-02-13  Zdenek Dvorak  <dvorakz@suse.cz>
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.
11282         * value-prof.c (rtl_find_values_to_profile): Do not look for values to
11283         profile in libcalls.
11285 2005-02-13  Nathan Sidwell  <nathan@codesourcery.com>
11287         * bitmap.h (bitmap_and_compl_into): Return bool.
11288         * bitmap.c (bitmap_and_compl_into): Return changed flag.
11290 2005-02-13  James A. Morrison  <phython@gcc.gnu.org>
11292         PR tree-optimization/19944
11293         * fold-const.c (fold): Re-add ABS_EXPR folding.
11295 2005-02-13  David Edelsohn  <edelsohn@gnu.org>
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.
11315 2005-02-13  Kazu Hirata  <kazu@cs.umass.edu>
11317         * flags.h, read-rtl.c, tree-ssa-live.h: Update copyright.
11319 2005-02-13  Jason Merrill  <jason@redhat.com>
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.
11330 2005-02-13  James A. Morrison  <phython@gcc.gnu.org>
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.
11338 2005-02-12  Kazu Hirata  <kazu@cs.umass.edu>
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.
11344         * passes.c (rest_of_handle_gcse): Don't run cse_main and
11345         delete_trivially_dead_insns too many times.
11347         * passes.c (rest_of_handle_gcse): Remove dead assignments to
11348         tem and tem2.
11350 2005-02-12  Ira Rosen  <irar@il.ibm.com>
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.
11368 2005-02-12  Ira Rosen  <irar@il.ibm.com>
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.
11381 2005-02-12  Uros Bizjak  <uros@kss-loka.si>
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.
11393         * config/i386/i386.md (ldexpsf3, ldexpdf3, ldexpxf3): New expanders
11394         to implement ldexpf, ldexp and ldexpl built-ins as inline x87
11395         intrinsics.
11397 2005-02-12  Ira Rosen  <irar@il.ibm.com>
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.
11411 2005-02-12  Hans-Peter Nilsson  <hp@axis.com>
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.
11419 2005-02-11  Richard Henderson  <rth@redhat.com>
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.
11441 2005-02-11  Steven Bosscher  <stevenb@suse.de>
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.
11448 2005-02-11  Jakub Jelinek  <jakub@redhat.com>
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.
11454         * config/rs6000/sysv4.h (ENDFILE_LINUX_SPEC): Use crtendS.o instead of
11455         crtend.o if -pie.  Use %{x:a;:b} spec syntax.
11457 2005-02-11  Daniel Jacobowitz  <dan@codesourcery.com>
11459         * config/mips/linux-unwind.h (mips_fallback_frame_state): Adjust
11460         offsets for the big-endian 32-bit case.
11462 2005-02-11  Joseph S. Myers  <joseph@codesourcery.com>
11464         * config/ia64/hpux.h (WCHAR_TYPE, WCHAR_TYPE_SIZE): Define.
11466 2005-02-11  Dale Johannesen  <dalej@apple.com>
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.
11472 2005-02-11  Ian Lance Taylor  <ian@airs.com>
11474         * read-rtl.c (read_rtx_1): Give fatal error if we see a vector
11475         with no elements.
11477         * tree.c (build_function_type_list): Work correctly if there are
11478         no arguments.
11480 2005-02-11  Ulrich Weigand  <uweigand@de.ibm.com>
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.
11487 2005-02-11  Ralf Corsepius  <ralf.corsepius@rtems.org>
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.
11496 2005-02-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
11498         * pa/linux-unwind.h (pa32_fallback_frame_state): Handle misaligned
11499         signal trampolines.
11501 2005-02-10  David Daney  <ddaney@avtrex.com>
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.
11513 2005-02-10  Steven Bosscher  <stevenb@suse.de>
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.
11521 2005-02-10  Richard Sandiford  <rsandifo@redhat.com>
11523         * config/mips/mips.md: Fix the placement of the match_scratch in the
11524         lea64 peephole2.
11526 2005-02-10  Kazu Hirata  <kazu@cs.umass.edu>
11528         * cse.c, tree-ssa-loop-ivopts.c, config/rs6000/linux-unwind.h:
11529         Fix comment typos.
11531 2005-02-10  Zdenek Dvorak  <dvorakz@suse.cz>
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.
11539 2005-02-10  Kazu Hirata  <kazu@cs.umass.edu>
11541         * df.h (DF_REF_MODE_CHANGE, DF_REF_MEM_OK): Remove.
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.
11548 2005-02-10  Jeff Law  <law@redhat.com>
11550         * tree-ssa-dom.c (thread_across_edge): Use xmalloc, not xcalloc.
11551         (lookup_avail_expr): Similarly.
11553 2005-02-10  Richard Guenther  <rguenth@gcc.gnu.org>
11555         * builtins.c (fold_builtin_powi): New function.
11556         (fold_builtin_1): Call it.
11558 2005-02-10  Steven Bosscher  <stevenb@suse.de>
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__.
11565 2005-02-10  Jakub Jelinek  <jakub@redhat.com>
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.
11574 2005-02-10  Steven Bosscher  <stevenb@suse.de>
11576         * doc/md.texi: Replace @samp{length} with @code{length}.
11578 2005-02-09  Zdenek Dvorak  <dvorakz@suse.cz>
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.
11613 2005-02-09  Richard Henderson  <rth@redhat.com>
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.
11628 2005-02-09  Roger Sayle  <roger@eyesopen.com>
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.
11642 2005-02-09  Ian Lance Taylor  <ian@airs.com>
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.
11648 2005-02-09  Andreas Krebbel  <krebbel1@de.ibm.com>
11650         * gcc/haifa-sched.c (schedule_block): Make queued sched group
11651         insns return to ready list in the next turn.
11653 2005-02-09  Richard Guenther  <rguenth@gcc.gnu.org>
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].
11667 2005-02-09  Dorit Naishlos  <dorit@il.ibm.com>
11669         * tree-vectorizer.c (vect_set_dump_settings): Check that dump_file
11670         exists.
11672 2005-02-09  Richard Guenther  <rguenth@gcc.gnu.org>
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.
11680 2005-02-09  Roger Sayle  <roger@eyesopen.com>
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.
11687 2005-02-08  Hans-Peter Nilsson  <hp@axis.com>
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.
11704 2005-02-08  Paolo Bonzini  <bonzini@gnu.org>
11706         PR preprocessor/19801
11707         * doc/cppinternals.texi (Conventions, Lexer, Files): Adjust
11708         filenames that changed when libcpp was moved to the toplevel.
11710 2005-02-07  Roger Sayle  <roger@eyesopen.com>
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.
11716 2005-02-07  Nathanael Nerode  <neroden@gcc.gnu.org>
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.
11723 2005-02-08  Alan Modra  <amodra@bigpond.net.au>
11725         PR target/19803
11726         * predict.c (PROB_VERY_UNLIKELY): Use 1% instead of 10%.
11728 2005-02-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
11730         PR debug/19327
11731         * dbxout.c (dbxout_symbol) <FUNCTION_DECL>: Skip inline instance
11732         of nested functions.
11734 2005-02-07  Jonathan Wakely  <redi@gcc.gnu.org>
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.
11740 2005-02-07  Kazu Hirata  <kazu@cs.umass.edu>
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.
11747         * cse.c: Update comments.
11749 2005-02-07  Richard Guenther  <rguenth@gcc.gnu.org>
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).
11756 2005-02-07  Leehod Baruch  <leehod@il.ibm.com>
11757             Dorit Naishlos  <dorit@il.ibm.com>
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.
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.
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.
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.
11838 2005-02-07  Richard Sandiford  <rsandifo@redhat.com>
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.
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.
11853 2005-02-07  Alexandre Oliva  <aoliva@redhat.com>
11855         * config/mn10300/linux.h (LIB_SPEC, STARTFILE_SPEC): Remove
11856         redundant, incorrect definitions.
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.
11863 2005-02-07  Ralf Corsepius  <ralf.corsepius@rtems.org>
11865         * config/arm/rtems-elf.h (SUBTARGET_EXTRA_ASM_SPEC):
11866         Let !-mhard-float !-msoft-float imply -mfpu=softfpa.
11868 2005-02-06  Roger Sayle  <roger@eyesopen.com>
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.
11875 2005-02-07  Ralf Corsepius  <ralf.corsepius@rtems.org>
11877         * config/m68k/t-rtems (MULTILIB_MATCHES): Let m528x match m5200.
11879 2005-02-07  Joseph S. Myers  <joseph@codesourcery.com>
11881         PR other/17135
11882         * doc/invoke.texi: Correct documentation of -freorder-functions.
11884 2005-02-06  Joseph S. Myers  <joseph@codesourcery.com>
11886         PR other/14402
11887         * doc/invoke.texi: Don't mention gccbug.
11889 2005-02-06  Roger Sayle  <roger@eyesopen.com>
11890             Andrew Pinski  <pinskia@physics.uc.edu>
11891             Paolo Bonzini  <paolo.bonzini@lu.unisi.ch>
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).
11897 2005-02-06  Joseph S. Myers  <joseph@codesourcery.com>
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.
11910 2005-02-06  Joseph S. Myers  <joseph@codesourcery.com>
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.
11917 2005-02-06  Zdenek Dvorak  <dvorakz@suse.cz>
11919         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Do not add
11920         unnecessary cast to original induction variable increments.
11922 2005-02-06  Zdenek Dvorak  <dvorakz@suse.cz>
11924         PR tree-optimization/18219
11925         * tree-ssa-loop-ivopts.c (get_computation_at): Produce computations
11926         in distributed form.
11928 2005-02-06  Richard Sandiford  <rsandifo@redhat.com>
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.
11938 2005-02-06  Steven Bosscher  <stevenb@suse.de>
11940         * df.c (df_insn_refs_record): Use XEXP to get the operand of a USE,
11941         not SET_DEST.
11943 2005-02-06  Marcin Dalecki  <martin@dalecki.de>
11945         * diagnostic.c (default_diagnostic_finalizer): Fix use of attribute.
11947 2005-02-06  Geoffrey Keating  <geoffk@apple.com>
11949         * config.gcc (*-*-darwin*): Separate darwin7 and darwin8 configs.
11950         * config/darwin8.h: New.
11951         * config/darwin7.h: Update comment.
11953 2005-02-03  Leehod Baruch  <leehod@il.ibm.com>
11954             Dorit Naishlos  <dorit@il.ibm.com>
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.
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.
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.
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.
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.
12023         (vect_analyze_loop_form): Argument in call to vect_debug_details/stats
12024         changed from loop to loop_loc.
12026         (vect_enhance_data_refs_alignment): Removed unused variable loop.
12028 2005-02-03  Leehod Baruch  <leehod@il.ibm.com>
12029             Dorit Naishlos  <dorit@il.ibm.com>
12031         * tree-vectorizer.c (vect_analyze_data_ref_dependence): Function
12032         declaration added.
12033         (vect_analyze_data_ref_dependences): Likewise.
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.
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.
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.
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
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.
12084 2005-02-03  Andrew Pinski  <pinskia@physics.uc.edu>
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.
12090 2005-02-03  Andrew Pinski  <pinskia@physics.uc.edu>
12092         PR tree-opt/19736
12093         * tree-ssa.c (replace_immediate_uses): Update the immediate_uses
12094         information for the new statement.
12096 2005-02-03  Joseph S. Myers  <joseph@codesourcery.com>
12098         PR driver/19117
12099         * gcc.c (main): Include the target in -v output.
12101 2005-02-03  Alexandre Oliva  <aoliva@redhat.com>
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).
12108 2005-02-02  Roger Sayle  <roger@eyesopen.com>
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.
12116 2005-02-02  Geoffrey Keating  <geoffk@apple.com>
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.
12126 2005-02-03  Dorit Naishlos  <dorit@il.ibm.com>
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.
12133 2005-02-03  Dorit Naishlos  <dorit@il.ibm.com>
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.
12145 2005-02-03  Dorit Naishlos  <dorit@il.ibm.com>
12147         * tree-vectorizer.c (vect_mark_stmts_to_be_vectorized): Check if
12148         phis are used out of the loop.
12150 2005-02-03  Joseph S. Myers  <joseph@codesourcery.com>
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.
12160 2005-02-02  Zdenek Dvorak  <dvorakz@suse.cz>
12162         * tree.c (build_int_cst_type): Take sign of the value into account
12163         when deciding whether sign extend the value.
12165 2005-02-02  Joseph S. Myers  <joseph@codesourcery.com>
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}.
12172 2005-02-02  Kazu Hirata  <kazu@cs.umass.edu>
12174         * cse.c: Update comments.
12176 2005-02-02  Aldy Hernandez  <aldyh@redhat.com>
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.
12182 2005-02-02  Steven Bosscher  <stevenb@suse.de>
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.
12188 2005-02-02  Richard Sandiford  <rsandifo@redhat.com>
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.
12200 2005-02-02  Kazu Hirata  <kazu@cs.umass.edu>
12202         * df.c (df_def_record_1, df_uses_record): Don't use
12203         DF_FOR_REGALLOC.
12204         * df.h (DF_FOR_REGALLOC): Remove.
12206 2005-02-02  Joseph S. Myers  <joseph@codesourcery.com>
12208         PR c/19435
12209         * c-typeck.c (really_start_incremental_init): Reset
12210         constructor_max_index for arrays of incomplete type.
12212 2005-02-02  Jeff Law  <law@redhat.com>
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.
12220 2005-02-02  Joseph S. Myers  <joseph@codesourcery.com>
12222         PR other/15514
12223         * doc/gcov.texi: Fix typo.
12225 2005-02-01  Richard Henderson  <rth@redhat.com
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.
12234 2005-02-01  Steven Bosscher  <stevenb@suse.de>
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.
12242 2005-02-01  Joseph S. Myers  <joseph@codesourcery.com>
12244         * doc/extend.texi (Nested Functions): Update.
12246 2005-02-01  Richard Henderson  <rth@redhat.com>
12248         PR 19696
12249         * optabs.c (expand_copysign_absneg): Export.
12250         * optabs.h (expand_copysign_absneg): Declare.
12251         * config/rs6000/rs6000.md (copysigntf3): New.
12253 2005-02-01  Diego Novillo  <dnovillo@redhat.com>
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.
12271 2005-02-01  Diego Novillo  <dnovillo@redhat.com>
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.
12278 2005-02-01  Janis Johnson  <janis187@us.ibm.com>
12280         * doc/sourcebuild.texi (Test directives): Fix formatting.
12282         * doc/sourcebuild.texi (Test directives): Describe selector
12283         expressions.
12285 2005-02-01  Segher Boessenkool  <segher@kernel.crashing.org>
12287         * config.gcc (powerpc64-*-linux*): Default to -m64 also for
12288         specific 64-bit CPUs.
12290 2005-02-01  Richard Earnshaw  <rearnsha@arm.com>
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.
12298 2005-02-01  Steven Bosscher  <stevenb@suse.de>
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.
12311 2005-02-01  Eric Botcazou  <ebotcazou@libertysurf.fr>
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.
12317         * tree.h (DECL_FUNCTION_CODE): Document that it is overloaded.
12319 2005-02-01  Alexandre Oliva  <aoliva@redhat.com>
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.
12330 2005-01-31  Jeff Law  <law@redhat.com>
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.
12341         * tree-ssa-dom.c (record_cond): Pass correct variable type
12342         for last argument to htab_find_slot_with_hash.
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.
12347 2005-01-31  James E. Wilson  <wilson@specifixinc.com>
12349         * config/ia64/itanium1.md (1_scall bypass): Change 2_mmalua to
12350         1_mmalua.
12352 2005-02-01  Eric Christopher  <echristo@redhat.com>
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.
12359 2005-02-01  Kazu Hirata  <kazu@cs.umass.edu>
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.
12378         * cse.c (get_cse_reg_info): Update a comment.
12380 2005-01-31  Steven Bosscher  <stevenb@suse.de>
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.
12390 2005-01-31  Kazu Hirata  <kazu@cs.umass.edu>
12392         * cse.c (delete_trivially_dead_insn): Don't iterate.
12394 2005-01-31  Andrew Pinski  <pinskia@physics.uc.edu>
12396         * config/rs6000/rs6000.md (copysignsf3): New expand.
12397         (copysigndf3): Likewise.
12399 2005-01-31  Steven Bosscher  <stevenb@suse.de>
12401         * recog.c (constrain_operands): Only look for earlyclobber operand
12402         conflicts if an '&' constraint was seen.
12404 2005-01-31  Marc Espie <espie@openbsd.org>
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.
12411 2005-01-31  Dale Johannesen  <dalej@apple.com>
12413         * doc/extend.texi (nested functions): Fix linkage description.
12414         Clarify that static is not allowed.
12416 2005-01-31  Dale Johannesen  <dalej@apple.com>
12418         * config/rs6000/darwin.md (movsf_low_di):  Make work.
12419         (movdf_low_di):  Make work.
12421 2005-01-31  Dale Johannesen  <dalej@apple.com>
12423         * config/rs6000/darwin-tramp.asm (__trampoline_setup):
12424         Make work for 64 bit.
12426 2005-01-31  Roger Sayle  <roger@eyesopen.com>
12427             Dale Johannesen  <dalej@apple.com>
12429         PR middle-end/19650
12430         * fold-const.c (fold_binary_op_with_conditional_arg):
12431         Make types match original operands, before STRIP_NOPS.
12433 2005-01-31  Alan Modra  <amodra@bigpond.net.au>
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.
12446 2005-01-31  Ira Rosen  <irar@il.ibm.com>
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.
12456 2005-01-31  Richard Henderson  <rth@redhat.com>
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.
12462 2005-01-31  Richard Henderson  <rth@redhat.com>
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.
12469 2005-01-30  Roger Sayle  <roger@eyesopen.com>
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.
12475 2005-01-31  Danny Smith  <dannysmith@users.sourceforge.net>
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.
12482 2005-01-30  Richard Henderson  <rth@redhat.com>
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.
12495 2005-01-30  Daniel Berlin  <dberlin@dberlin.org>
12497         Fix PR tree-optimization/19624
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.
12521 2005-01-30  Richard Henderson  <rth@redhat.com>
12523         * rtl.c (rtx_equal_p): No early exit for CONST_VECTOR.
12524         * varasm.c (const_rtx_hash_1): Handle CONST_VECTOR.
12526 2005-01-30  Richard Henderson  <rth@redhat.com>
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.
12541 2005-01-30  Kazu Hirata  <kazu@cs.umass.edu>
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.
12547 2005-01-29  Richard Henderson  <rth@redhat.com>
12549         PR target/19690
12550         * config/i386/i386.md (movdf_nointeger, movdf_integer): Fix ordering
12551         of # and * in constraints.
12553 2005-01-29  Richard Henderson  <rth@redhat.com>
12555         PR middle-end/19689
12556         * expr.c (store_field): Don't strip sub-mode cast when the input
12557         data is even smaller.
12559 2005-01-29  Richard Henderson  <rth@redhat.com>
12561         PR middle-end/19687
12562         * expr.c (categorize_ctor_elements_1): Check for CONSTRUCTOR of a
12563         union being empty.
12565 2005-01-29  Richard Henderson  <rth@redhat.com>
12567         * combine.c (make_field_assignment): Fix argument order
12568         to gen_int_mode.
12570 2005-01-29  Richard Guenther <richard.guenther@uni-tuebingen.de>
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.
12577 2005-01-29  Jeff Law  <law@redhat.com>
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.
12584 2005-01-29  Joseph S. Myers  <joseph@codesourcery.com>
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.
12607 2005-01-29  Kazu Hirata  <kazu@cs.umass.edu>
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.
12613 2005-01-28  Stephane Carrez  <stcarrez@nerim.fr>
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.
12619 2005-01-28  Roger Sayle  <roger@eyesopen.com>
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.
12625 2005-01-28  Ian Lance Taylor  <ian@airs.com>
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.
12632 2005-01-28  Kazu Hirata  <kazu@cs.umass.edu>
12634         * cse.c (fold_rtx) <PC>: Don't optimize.
12636 2005-01-28  Jeff Law  <law@redhat.com>
12638         * fold-const.c (fold, case CEIL_MOD_EXPR): Optimize 0 % X.
12639         (case FLOOR_MOD_EXPR, ROUND_MOD_EXPR, TRUNC_MOD_EXPR): Similarly.
12641 2005-01-28  Kazu Hirata  <kazu@cs.umass.edu>
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.
12652 2005-01-28  Richard Sandiford  <rsandifo@redhat.com>
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.
12660 2005-01-28  Uros Bizjak  <uros@kss-loka.si>
12662         * config/i386/i386.c (ix86_expand_fp_absneg_operator): Use
12663         SSE_FLOAT_MODE_P for use_sse computation.
12665 2005-01-28  Ralf Corsepius  <ralf.corsepius@rtems.org>
12667         PR target/19663
12668         * config/sparc/rtemself.h (LINK_GCC_C_SEQUENCE_SPEC): undefine.
12670 2005-01-27  Richard Henderson  <rth@redhat.com>
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.
12680         * config/alpha/alpha.md (UNSPEC_COPYSIGN): New.
12681         (copysignsf3, ncopysignsf3, copysigndf3, ncopysigndf3): New.
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.
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.
12696 2005-01-27  Arend Bayer  <arend.bayer@web.de>
12697             Kazu Hirata  <kazu@cs.umass.edu>
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.
12704 2005-01-27  Jeff Law  <law@redhat.com>
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.
12713 2005-01-27  Kazu Hirata  <kazu@cs.umass.edu>
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.
12721 2005-01-27  Steven Bosscher  <stevenb@suse.de>
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.
12729 2005-01-27  Ian Lance Taylor  <ian@airs.com>
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.
12738 2005-01-27  Jakub Jelinek  <jakub@redhat.com>
12740         * config/i386/i386.h (CALL_USED_REGISTERS): Fix comment pastos.
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.
12747 2005-01-27  Richard Henderson  <rth@redhat.com>
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.
12760 2005-01-27  Alexandre Oliva  <aoliva@redhat.com>
12762         * config/frv/frv.c (frv_class_likely_spilled_p): Add GR8_REGS,
12763         GR9_REGS, GR89_REGS, FDPIC_FPTR_REGS, FDPIC_REGS.
12765 2005-01-27  Steven Bosscher  <stevenb@suse.de>
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.
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.
12780         * doc/c-tree.texi (SWITCH_STMT): Update accessor macro names.
12782 2005-01-27  Alan Modra  <amodra@bigpond.net.au>
12784         * unwind-dw2.c (execute_stack_op): Add missing cases for
12785         DW_OP_shl, DW_OP_shr, DW_OP_shra, DW_OP_xor.
12787 2005-01-27  Eric Botcazou  <ebotcazou@libertysurf.fr>
12789         * config.gcc (Obsolete configurations): Remove 'dummy', add
12790         sparclite-*-coff*, sparclite-*-elf*, sparc86x-*-elf* and
12791         sparc-*-openbsd*.
12793 2005-01-26  Diego Novillo  <dnovillo@redhat.com>
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.
12803 2005-01-26  Ulrich Weigand  <uweigand@de.ibm.com>
12805         * dbxout.c (dbxout_symbol_location): Resolve constant pool references
12806         even for variables with NULL DECL_INITIAL.
12808 2005-01-26  Stuart Hastings  <stuart@apple.com>
12810         * gimplify.c (shortcut_cond_expr): Re-compute side-effects.
12812 2005-01-26  Richard Henderson  <rth@redhat.com>
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.
12820 2005-01-26  Richard Henderson  <rth@redhat.com>
12822         * c-decl.c, expmed.c, expr.c: Revert last change.
12824 2005-01-26  Richard Henderson  <rth@redhat.com>
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.
12834 2005-01-26  Richard Sandiford  <rsandifo@redhat.com>
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.
12839 2005-01-26  Marek Michalkiewicz  <marekm@amelek.gda.pl>
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".
12853 2005-01-26  Aldy Hernandez  <aldyh@redhat.com>
12855         * doc/invoke.texi: Document -mTLS.
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.
12866         * configure.ac: Check for a TLS capable gas.
12868         * configure: Regenerate.
12870 2005-01-26  Richard Henderson  <rth@redhat.com>
12872         PR middle-end/18008
12873         * combine.c (make_field_assignment): Simplify store to zero_extract
12874         from a source with an overlapping mask.
12876 2005-01-26  Aldy Hernandez  <aldyh@redhat.com>
12878         2004-11-11  Eric Christopher  <echristo@redhat.com>
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.
12884 2005-01-26  Steven Bosscher  <stevenb@suse.de>
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.
12894 2005-01-26  Richard Henderson  <rth@redhat.com>
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.
12905 2005-01-26  Steven Bosscher  <stevenb@suse.de>
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.
12915 2005-01-26  Kazu Hirata  <kazu@cs.umass.edu>
12917         * cse.c (fold_rtx): Call equiv_constant only when necessary.
12919 2005-01-26  Bernd Schmidt  <bernd.schmidt@analog.com>
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.
12925 2005-01-26  Alexandre Oliva  <aoliva@redhat.com>
12927         * Makefile.in (../$(build_subdir)/fixincludes/fixincl): Add dummy
12928         rule to avoid matching inappropriate suffix rule.
12930 2005-01-26  Jan Hubicka  <jh@suse.cz>
12932         PR tree-optimization/19241
12933         * tree-inline.c (copy_body_r): Do not walk subtrees after substituting.
12935 2005-01-26  Hans-Peter Nilsson  <hp@axis.com>
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.
12953 2005-01-25  Ian Lance Taylor  <ian@airs.com>
12955         * gimple-low.c (block_may_fallthru): Correct handling of
12956         SWITCH_EXPR--may fall through if SWITCH_LABELS is NULL.
12958 2005-01-26  Hans-Peter Nilsson  <hp@axis.com>
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=.
12964 2005-01-25  Daniel Jacobowitz  <dan@codesourcery.com>
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.
12971 2005-01-25  Aldy Hernandez  <aldyh@redhat.com>
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.
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.
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.
13016         * config/frv/frv-protos.h (symbolic_operand): Protoize.
13018         2005-01-25  Alexandre Oliva  <aoliva@redhat.com>
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.
13025 2005-01-26  Jakub Jelinek  <jakub@redhat.com>
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.
13031 2005-01-25  J"orn Rennecke <joern.rennecke@st.com>
13033         * real.c (do_add): Initialize signalling and canonical members.
13035         * real.c (real_from_integer): Zero out destination.
13037 2005-01-18  Jan Hubicka  <jh@suse.cz>
13039         PR tree-optimize/19337
13040         * tree-inline.c (initialize_inlined_parameters): Copy
13041         saved_static_chain_decl only.
13043 2005-01-25  Richard Henderson  <rth@redhat.com>
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.
13053 2005-01-25  Richard Henderson  <rth@redhat.com>
13055         PR middle-end/19609
13056         * tree-complex.c (expand_complex_div_wide): Use the correct formulae.
13058 2005-01-25  Roger Sayle  <roger@eyesopen.com>
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.
13064 2005-01-24  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
13066         PR middle-end/19330
13067         * expmed.c (extract_bit_field): Use adjust_address instead of
13068         gen_lowpart when op0 is a MEM.
13070 2005-01-24  Steven Bosscher  <stevenb@suse.de>
13072         * cfgexpand.c (expand_gimple_tailcall): Fix typo.
13074 2005-01-24  Richard Sandiford  <rsandifo@redhat.com>
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.
13082 2005-01-24  Eric Botcazou  <ebotcazou@libertysurf.fr>
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.
13108 2005-01-24  Kazu Hirata  <kazu@cs.umass.edu>
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.
13115 2005-01-24  Jakub Jelinek  <jakub@redhat.com>
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.
13123 2005-01-24  J"orn Rennecke <joern.rennecke@st.com>
13125         * sh.c (ra.h): Don't #include.
13126         (hard_regs_intersect_p): New function, resurrected from ra.c.
13128         * sh.c: Fix 1996 Copyright.
13130 2005-01-24  Richard Henderson  <rth@redhat.com>
13131             Aldy Hernandez  <aldyh@redhat.com>
13133         * regrename.c (note_sets): Handle subregs.
13135 2005-01-24  Joseph S. Myers  <joseph@codesourcery.com>
13137         PR bootstrap/18058
13138         * genconditions.c (write_header, write_conditions): Elide file if
13139         not GCC >= 3.0.1.
13141 2005-01-24  Kazu Hirata  <kazu@cs.umass.edu>
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.
13147 2005-01-24  Jakub Jelinek  <jakub@redhat.com>
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.
13156 2005-01-24  Paolo Bonzini  <bonzini@gnu.org>
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.
13164 2005-01-24  Jakub Jelinek  <jakub@redhat.com>
13166         * flow.c (propagate_one_insn): Formatting.
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.
13173 2005-01-24  Uros Bizjak  <uros@kss-loka.si>
13175         * config/i386/i386.md (*extendsfdf2_sse): Use "nonimmediate_operand"
13176         operand constraint for operand 0.
13178 2005-01-23  Richard Henderson  <rth@redhat.com>
13180         PR 19486
13181         * tree-complex.c (expand_complex_div_wide): Set EDGE_FALLTHRU on
13182         edges leading to join block.
13184 2005-01-23  Roger Sayle  <roger@eyesopen.com>
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.
13192 2005-01-23  Kazu Hirata  <kazu@cs.umass.edu>
13194         * flow.c (regset_bytes, regset_size): Remove.
13196         * cfganal.c: Fix a reference to Harvey's paper.
13198 2005-01-23  Steven Bosscher  <stevenb@suse.de>
13200         PR rtl-optimization/19464
13201         * tree-optimize.c (init_tree_optimization_passes): Add one more
13202         copyrename pass just before out-of-ssa.
13204 2005-01-23  Joseph S. Myers  <joseph@codesourcery.com>
13206         PR bootstrap/18058
13207         * recog.c (recog_memoized): Don't define if GENERATOR_FILE.
13208         * ggc-none.c (ggc_free): Define.
13210 2005-01-23  Kazu Hirata  <kazu@cs.umass.edu>
13212         * cse.c (max_reg, max_insn_uid): Remove.
13213         (cse_main): Don't access max_reg or max_insn_uid.
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.
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.
13225         * gcse.c (null_pointer_info): Remove.
13227 2005-01-23  Roger Sayle  <roger@eyesopen.com>
13228             Eric Botcazou  <ebotcazou@libertysurf.fr>
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.
13234 2005-01-23  Kazu Hirata  <kazu@cs.umass.edu>
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.
13247 2005-01-23  Steven Bosscher  <stevenb@suse.de>
13249         * gengtype.c (walk_type): Produce `not equal to' compares for loop
13250         tests, instead of `less than'.
13252 2005-01-23  Richard Sandiford  <rsandifo@redhat.com>
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.
13259 2005-01-22  Roger Sayle  <roger@eyesopen.com>
13261         PR middle-end/19378
13262         * config/avr/avr.c (avr_hard_regno_mode_ok): Rewrite.
13264 2005-01-22  Richard Henderson  <rth@redhat.com>
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.
13275 2005-01-22  Richard Henderson  <rth@redhat.com>
13277         * config/i386/i386.md (smaxsf3): Fix mnemonic typo.
13279         * config/i386/i386.c (ix86_prepare_fp_compare_args): Fix is_sse test.
13281 2005-01-22  Richard Henderson  <rth@redhat.com>
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.
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.
13297 2005-01-22  Paul Brook  <paul@codesourcery.com>
13299         * config/arm/arm.md: Use "Uy" constraint for wcgr load/stores.
13301 2005-01-21  Mark Dettinger  <dettinge@de.ibm.com>
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.
13310 2005-01-21  Ulrich Weigand  <uweigand@de.ibm.com>
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.
13317 2005-01-21  Ulrich Weigand  <uweigand@de.ibm.com>
13319         * config/s390/s390.h (HARD_REGNO_NREGS): Fix computation for
13320         access registers.
13321         (CLASS_MAX_NREGS): Likewise.
13323 2005-01-21  Daniel Berlin  <dberlin@dberlin.org>
13325         * doc/tree-ssa.texi (Statement Operands): Add example for new
13326         must-def macro. Note deprecation of old operands interface.
13328 2005-01-22  Richard Sandiford  <rsandifo@redhat.com>
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.
13335 2005-01-20  Daniel Berlin  <dberlin@dberlin.org>
13337         Fix PR tree-optimization/19038
13338         * tree-ssa-dom.c (cprop_operand): Don't replace loop invaeriant
13339         copies with loop variant ones.
13341 2005-01-22  Kazu Hirata  <kazu@cs.umass.edu>
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.
13349         * tree-cfg.c (remove_forwarder_block_with_phi): Look at the
13350         first label to see if it is a nonlocal label.
13352 2005-01-22  David Edelsohn  <edelsohn@gnu.org>
13353             Andrew Pinski  <pinskia@physics.uc.edu>
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.
13359 2005-01-22  Ralf Corsepius  <ralf.corsepius@rtems.org>
13361         * config/rs6000/rtems.h: Update copyright.
13363 2005-01-22  Ralf Corsepius  <ralf.corsepius@rtems.org>
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.
13370 2005-01-22  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
13372         PR c/18809
13373         * c-typeck.c (convert_arguments): Check for error_mark_node.
13375 2005-01-21  Ian Lance Taylor  <ian@airs.com>
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.
13392 2005-01-21  Roger Sayle  <roger@eyesopen.com>
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.
13407 2005-01-21  Tom Tromey  <tromey@redhat.com>
13409         * c-cppbuiltin.c (define__GNUC__): Correct assertion.
13411 2005-01-21  Kazu Hirata  <kazu@cs.umass.edu>
13413         * tree-cfg.c: Fix comment typos.
13415 2005-01-21  J"orn Rennecke <joern.rennecke@st.com>
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.
13420 2005-01-21  Eric Botcazou  <ebotcazou@libertysurf.fr>
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.
13438 2005-01-21  Hans-Peter Nilsson  <hp@bitrange.com>
13440         PR target/18701
13441         * combine.c (combine_simplify_rtx): Revert change of 2004-12-31.
13443 2005-01-20  Paul Brook  <paul@codesourcery.com>
13445         * doc/rtl.texi: Document value extension requirements for CONST_INT.
13447 2005-01-20  Kazu Hirata  <kazu@cs.umass.edu>
13449         * tree-cfg.c (tree_verify_flow_info): Check that a nonlocal
13450         label is first in a sequence of labels.
13452         * tree-cfg.c (tree_verify_flow_info): Fix a typo.
13454 2005-01-20  Janis Johnson  <janis187@us.ibm.com>
13455             Giovanni Bajo  <giovannibajo@gcc.gnu.org>
13457         * doc/sourcebuild.texi (Test Directives): New.
13459 2005-01-20  Roger Sayle  <roger@eyesopen.com>
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.
13465 2005-01-20  Paul Brook  <paul@codesourcery.com>
13467         * config/arm/arm.md (insv): Use gen_int_mode.
13469 2005-01-20  Eric Botcazou  <ebotcazou@libertysurf.fr>
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.
13477 2005-01-20  Daniel Berlin  <dberlin@dberlin.org>
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.
13488 2005-01-20  Kazu Hirata  <kazu@cs.umass.edu>
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;
13502 2005-01-20  Richard Henderson  <rth@redhat.com>
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.
13509 2005-01-20  Richard Henderson  <rth@redhat.com>
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.
13522 2005-01-20  Richard Henderson  <rth@redhat.com>
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.
13530 2005-01-20  Kazu Hirata  <kazu@cs.umass.edu>
13532         * params.def, params.h, predict.c, tree-ssa-loop-im.c: Update
13533         copyright.
13535 2005-01-20  Richard Henderson  <rth@redhat.com>
13537         * rtl.def (CONST_VECTOR): Use RTX_CONST_OBJ.
13538         * rtl.h (CONSTANT_P): Don't special case CONST_VECTOR.
13540 2005-01-19  Richard Henderson  <rth@redhat.com>
13542         PR target/19350
13543         * config/i386/i386.c (ix86_expand_vector_move_misalign): Convert
13544         to V4SFmode in SSE1 fallback load path.
13546 2005-01-19  Richard Henderson  <rth@redhat.com>
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.
13552 2005-01-19  Richard Henderson  <rth@redhat.com>
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.
13571 2005-01-19  Richard Henderson  <rth@redhat.com>
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.
13578 2005-01-19  Richard Henderson  <rth@redhat.com>
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.
13587 2005-01-19  Richard Henderson  <rth@redhat.com>
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.
13611 2005-01-19  Zdenek Dvorak  <dvorakz@suse.cz>
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.
13619 2005-01-19  Daniel Berlin  <dberlin@dberlin.org>
13621         * cfganal.c (compute_dominance_frontiers_1): Replace with new algorithm
13622         (compute_dominance_frontiers): Ditto.
13624 2005-01-19  Ralf Corsepius  <ralf.corsepius@rtems.org>
13626         PR target/19529
13627         * config/sh/t-rtems: New.
13628         * config.gcc (sh-*-rtems*): Reflect having added config/sh/t-rtems.
13630 2005-01-19  Zdenek Dvorak  <dvorakz@suse.cz>
13632         * tree-ssa-ccp.c (maybe_fold_offset_to_component_ref): Always subtract
13633         the offset of the selected field.
13635 2005-01-19  Kazu Hirata  <kazu@cs.umass.edu>
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.
13641 2005-01-19  Hans-Peter Nilsson  <hp@axis.com>
13643         PR rtl-optimization/19462
13644         * reorg.c (find_end_label): Create return insn only if
13645         current_function_epilogue_delay_list is empty.
13647 2005-01-19  Paolo Bonzini  <bonzini@gnu.org>
13649         * doc/passes.texi: Remove paragraph mentioning new-ra.
13651 2005-01-19  Jakub Jelinek  <jakub@redhat.com>
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.
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.
13669         PR middle-end/19164
13670         * c-typeck.c (digest_init): Only call build_vector if inside_init
13671         is a CONSTRUCTOR.
13673 2005-01-18  Tobias Schl"uter  <tobias.schlueter@physik.uni-muenchen.de>
13675         * toplev.c (init_asm_output): Remove dead #ifdef.
13677 2005-01-18  Kaz Kojima  <kkojima@gcc.gnu.org>
13679         * config/sh/linux.h (TARGET_C99_FUNCTIONS): Define.
13681 2005-01-18  Eric Botcazou  <ebotcazou@libertysurf.fr>
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.
13694 2005-01-18  Eric Botcazou  <ebotcazou@libertysurf.fr>
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.
13702 2005-01-18  Aldy Hernandez  <aldyh@redhat.com>
13704         * config/rs6000/rs6000.md ("sunordered"): Disable for e500.
13705         ("sordered"): Same.
13707 2005-01-18  Andrew Pinski  <pinskia@physics.uc.edu>
13709         PR C/19472
13710         * c-typeck.c (build_asm_expr): Strip nops off
13711         input memory operands.
13713 2005-01-18  David Edelsohn  <edelsohn@gnu.org>
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.
13720 2005-01-18  Joel Sherrill <joel.sherrill@oarcorp.com>
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.
13726 2005-01-18  Kazu Hirata  <kazu@cs.umass.edu>
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.
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.
13764 2005-01-18  Richard Henderson  <rth@redhat.com>
13766         PR target/19496
13767         * config/i386/i386.c (ix86_expand_fp_movcc): Fail for LTGT and UNEQ.
13769 2005-01-18  Marc Espie  <espie@openbsd.org>
13770         * config/i386/openbsdelf.h: Typo.
13772 2005-01-18  Richard Henderson  <rth@redhat.com>
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.
13778 2005-01-18  Dorit Naishlos  <dorit@il.ibm.com>
13780         * tree-inline.c (estimate_num_insns_1): Added cases for
13781         ALIGN_INDIRECT_REF, MISALIGNED_INDIRECT_REF, and REALIGN_LOAD_EXPR.
13783 2005-01-18  Eric Botcazou  <ebotcazou@libertysurf.fr>
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.
13790 2005-01-18  Andi Kleen <ak@muc.de>
13792         * c-typeck.c: (convert_for_assignment): Check warn_pointer_sign.
13793         * c.opt (-Wpointer-sign): Add.
13794         * doc/invoke.texi: (-Wpointer-sign): Add.
13796 2005-01-18  Uros Bizjak  <uros@kss-loka.si>
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.
13815 2005-01-18  Uros Bizjak  <uros@kss-loka.si>
13817         PR target/19424
13818         * config/i386/mmx.md (*movv2sf_internal_rex64, *movv2sf_internal):
13819         Add movaps alternative for xmm reg->reg move.
13821 2005-01-17  Jeff Law  <law@redhat.com>
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.
13826 2005-01-17  Diego Novillo  <dnovillo@redhat.com>
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.
13839 2005-01-17  James E Wilson  <wilson@specifixinc.com>
13841         PR target/19357
13842         * config/ia64/ia64.md (movxf): Handle general register source.  Adjust
13843         comment to document why.
13845 2005-01-17  Richard Henderson  <rth@redhat.com>
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.
13855 2005-01-17  Kelley Cook  <kcook@gcc.gnu.org>
13857         * Makefile.in (STAGEMOVESTUFF): Stage all the stamp files to prevent
13858         bubblestrap from always rebuilding build directory.
13860 2005-01-17  Ulrich Weigand  <uweigand@de.ibm.com>
13862         * config/s390/s390.md ("*clc"): Remove incorrect '='.
13863         ("*cmpmem_short"): Likewise.
13865 2005-01-17  Steven Bosscher  <stevenb@suse.de>
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.
13872 2005-01-17  Richard Sandiford  <rsandifo@redhat.com>
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.
13884 2005-01-17  Ian Lance Taylor  <ian@airs.com>
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.
13890 2005-01-17  Kazu Hirata  <kazu@cs.umass.edu>
13892         * tree-cfg.c (tree_can_merge_blocks_p): Reorder two checks.
13894         * tree-cfg.c (tree_forwarder_block_p): Speed up by walking
13895         through the statements backward.
13897 2005-01-17  Ian Lance Taylor  <ian@airs.com>
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.
13903 2005-01-17  Mark Dettinger  <dettinge@de.ibm.com>
13905         * rtlanal.c (rtx_cost): Assign cost of 0 to a SUBREG
13906         when modes are tieable.
13908 2005-01-17  Ranjit Mathew  <rmathew@hotmail.com>
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.
13914 2005-01-17  Paolo Bonzini  <bonzini@gnu.org>
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.
13925 2005-01-17  Paolo Bonzini <bonzini@gnu.org>
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.
13938 2005-01-17  Kazu Hirata  <kazu@cs.umass.edu>
13940         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Don't call
13941         mark_dfs_back_edges.
13943 2005-01-16  Daniel Berlin  <dberlin@dberlin.org>
13945         * tree-ssa-pre.c (add_to_sets): s1 may be NULL.
13946         (compute_avail): Uses don't go in tmp_gen.
13948 2005-01-16  Steven Bosscher  <stevenb@suse.de>
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.
13953 2005-01-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
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.
13968 2005-01-15  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
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.
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.
13987 2005-01-15  David Edelsohn  <edelsohn@gnu.org>
13989         * config/rs6000/aix52.h (CPLUSPLUS_CPP_SPEC): Revert previous change.
13991 2005-01-15  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
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.
13999 2004-01-15  Roger Sayle  <roger@eyesopen.com>
14001         * tree-ssa-dom.c (extract_range_from_cond): Correct condition.
14003 2004-01-15  Roger Sayle  <roger@eyesopen.com>
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.
14017 2005-01-15  Ulrich Weigand  <uweigand@de.ibm.com>
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.
14023 2005-01-15  Marc Espie  <espie@openbsd.org>
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.
14032 2005-01-15  Marc Espie  <espie@openbsd.org>
14034         * collect2.c (main): Explicitly parse -dynamic-linker option.
14036 2005-01-15  Jakub Jelinek  <jakub@redhat.com>
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.
14046 2005-01-15  Ralf Corsepius  <ralf.corsepius@rtems.org>
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.
14053 2005-01-15  Kazu Hirata  <kazu@cs.umass.edu>
14055         * explow.c (copy_all_reg, stabilize): Remove.
14056         * expr.h: Remove the corresponding prototypes.
14058         * rtlanal.c (regs_set_between_p): Remove.
14059         * rtl.h: Remove the corresponding prototype.
14061 2005-01-14  David Edelsohn  <edelsohn@gnu.org>
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.
14072 2005-01-14  Andrew Pinski  <pinskia@physics.uc.edu>
14074         * tree-ssa-alias.c (pass_may_alias): Add TODO_verify_stmts.
14076 2005-01-14  Aldy Hernandez  <aldyh@redhat.com>
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.
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.
14094         * config/rs6000/rs6000.md ("*movsi_internal1"): Change predicate
14095         to rs6k_nonimmediate_operand.
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.
14105 2005-01-14  Aldy Hernandez  <aldyh@redhat.com>
14107         * postreload.c (move2add_note_store): Only call
14108         trunc_int_for_mode on scalar integers.
14110 2005-01-14  Steven Bosscher  <stevenb@suse.de>
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.
14122 2005-01-14  Kazu Hirata  <kazu@cs.umass.edu>
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.
14128 2005-01-14  Aldy Hernandez  <aldyh@redhat.com>
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.
14134 2005-01-14  Aldy Hernandez  <aldyh@redhat.com>
14136         * config/rs6000/rs6000.c (rs6000_generate_compare): Replace
14137         flag_finite_math_only with flag_unsafe_math_optimizations.
14139 2005-01-14  J. D. Johnston  <jjohnst@us.ibm.com>
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.
14147 2005-01-14  Richard Earnshaw  <rearnsha@arm.com>
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.
14164 2005-01-14  Jakub Jelinek  <jakub@redhat.com>
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.
14172         * basic-block.h (EXECUTE_IF_AND_COMPL_IN_REG_SET): Needs 2 REGSET
14173         arguments instead of 1.
14175 2005-01-14  Eric Botcazou  <ebotcazou@libertysurf.fr>
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.
14182 2005-01-13  Roger Sayle  <roger@eyesopen.com>
14184         * simplify-rtx.c (simplify_binary_operation) <AND>: Optimize
14185         (and (sign_extend X) C) into (zero_extend (and X C)).
14187 2005-01-13  David O'Brien  <obrien@FreeBSD.org>
14189         * config/freebsd-spec.h:  Make KSE pthread lib logic the default.
14191 2005-01-13  Richard Henderson  <rth@redhat.com>
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.
14226 2005-01-13  Steven Bosscher  <stevenb@suse.de>
14228         * tree-ssa-dse.c (fix_phi_uses): Use SSA operand iterators.
14229         (fix_stmt_v_may_defs): Likewise.
14231 2005-01-13  Richard Henderson  <rth@redhat.com>
14233         * config/i386/i386.c (ix86_expand_fp_absneg_operator): Use elt_mode
14234         for converting the mask.
14236 2005-01-13  David Edelsohn  <edelsohn@gnu.org>
14238         * config/rs6000/aix52.h (CPLUSPLUS_CPP_SPEC): Change _XOPEN_SOURCE
14239         definition to 600.
14241 2005-01-13  Richard Henderson  <rth@redhat.com>
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>.
14257 2005-01-13  Aldy Hernandez  <aldyh@redhat.com>
14259         * function.c (assign_parm_setup_block): Look inside original
14260         entry_parm when inspecting PARALLEL.
14262 2005-01-13  Ralf Corsepius  <ralf.corsepius@rtems.org>
14263             Joel Sherrill  <joel@oarcorp.com>
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.
14273 2005-01-13  Ralf Corsepius <ralf.corsepius@rtems.org>
14275         * config/i386/t-rtems-i386: Multilib on -mtune instead of -mcpu.
14277 2005-01-13  Jan Beulich  <jbeulich@novell.com>
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.
14285 2005-01-13  Hans-Peter Nilsson  <hp@bitrange.com>
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.
14293 2005-01-12  Andrew Pinski  <pinskia@physics.uc.edu>
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.
14299 2005-01-12  Aldy Hernandez  <aldyh@redhat.com>
14301         * function.c (assign_parm_setup_block): Relax condition on
14302         multi-register optimization.
14304 2005-01-12  Nick Clifton  <nickc@redhat.com>
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.
14311 2005-01-12  Alan Modra  <amodra@bigpond.net.au>
14313         PR target/19389
14314         * config/rs6000/rs6000.md (movtf_internal): Replace r->o and m->r
14315         with r->Y and Y->r.
14317 2005-01-12  Nick Clifton  <nickc@redhat.com>
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.
14323 2005-01-11  Roger Sayle  <roger@eyesopen.com>
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.
14329 2005-01-11  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
14331         * Makefile.in: Set a `build-warn' variable.
14333 2005-01-11  Zdenek Dvorak  <dvorakz@suse.cz>
14335         PR tree-optimization/17949
14336         * tree-ssa-loop-ivopts.c (may_be_unaligned_p): New function.
14337         (find_interesting_uses_address): Use it.
14339 2005-01-11  Aldy Hernandez  <aldyh@redhat.com>
14341         * regrename.c (kill_value): Handle subreg's that won't simplify.
14343 2005-01-11  Richard Henderson  <rth@redhat.com>
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.
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.
14447 2005-01-11  Stan Shebs  <shebs@apple.com>
14449         * config/rs6000/rs6000.c (machopic_output_stub): Issue
14450         ldu instead of lwzu if 64-bit -mdynamic-no-pic.
14452 2005-01-11  Andrew Pinski  <pinskia@physics.uc.edu>
14454         PR target/18761
14455         * config/rs6000/rs6000.c (rs6000_special_round_type_align):
14456         Skip all DECLs except for FIELD_DECLs.
14458 2005-01-11  Andreas Krebbel  <krebbel1@de.ibm.com>
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.
14466 2005-01-11  Andreas Krebbel  <krebbel1@de.ibm.com>
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.
14473 2005-01-11  Alan Modra  <amodra@bigpond.net.au>
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.
14496 2005-01-11  Jan Beulich  <jbeulich@novell.com>
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.
14503 2005-01-11  Richard Henderson  <rth@redhat.com>
14505         * expr.c (store_constructor): Use rtvec_alloc instead of
14506         alloca+gen_rtvec_v, and an incorrect number passed to alloca.
14508 2005-01-11  Kazu Hirata  <kazu@cs.umass.edu>
14510         * config/alpha/alpha.c, config/i386/mmx.md: Fix comment typos.
14512 2005-01-11  Alan Modra  <amodra@bigpond.net.au>
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.
14522 2005-01-10  David Mosberger  <davidm@hpl.hp.com>
14524         PR target/18987
14525         * config/ia64/ia64.c (process_set): For alloc insn, only call
14526         process_epilogue is !frame_pointer_needed.
14528 2005-01-10  Roger Sayle  <roger@eyesopen.com>
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.
14534 2005-01-10  Richard Henderson  <rth@redhat.com>
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.
14541 2005-01-10  Kazu Hirata  <kazu@cs.umass.edu>
14543         * tree-vectorizer.c, tree.def: Fix comment typos.
14545 2005-01-10  Mark Dettinger  <dettinge@de.ibm.com>
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.
14551 2005-01-10  David Edelsohn  <edelsohn@gnu.org>
14553         * config/rs6000/t-aix43 (BOOT_LDFLAGS): Define.
14555 2005-01-10  Jan Beulich  <jbeulich@novell.com>
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.
14564 2005-01-10  Ben Elliston  <bje@au.ibm.com>
14566         * doc/invoke.texi (Code Gen Options): Add PowerPC to the list of
14567         targets for which -fPIC reduces limitations on the GOT size.
14569 2005-01-09  Falk Hueffner  <falk@debian.org>
14571         * fold-const.c (fold): Also handle EXACT_DIV_EXPR when folding
14572         X/C1 cmpop C2.
14574 2005-01-09  David Edelsohn  <edelsohn@gnu.org>
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.
14581 2005-01-09  Dorit Naishlos  <dorit@il.ibm.com>
14583         * tree-vectorizer.c (vect_enhance_data_refs_alignment): Add dump prints.
14584         (vect_analyze_data_refs_alignment): Add dump prints.
14586 2005-01-09  Ira Rosen  <irar@il.ibm.com>
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.
14596 2005-01-09  Richard Henderson  <rth@redhat.com>
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.
14650 2005-01-09  Zdenek Dvorak  <dvorakz@suse.cz>
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.
14659 2005-01-08  David Edelsohn  <edelsohn@gnu.org>
14661         * config/i386/i386.md (addhi_4): Correct reference in comment.
14662         (addqi_4): Same.
14664 2005-01-08  Richard Henderson  <rth@redhat.com>
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.
14803 2005-01-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
14805         * configure.ac (DWARF-2 debug_line): Use objdump.
14806         * configure: Regenerate.
14808 2005-01-08  Jeff Law  <law@redhat.com>
14809             Diego Novillo  <dnovillo@redhat.com>
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.
14818 2005-01-08  Roger Sayle  <roger@eyesopen.com>
14820         * tree.c (int_fits_type_p): Always honor integer constant
14821         TYPE_MIN_VALUE and TYPE_MAX_VALUE if they exist.
14823 2005-01-08  Roger Sayle  <roger@eyesopen.com>
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.
14828 2005-01-08  Richard Sandiford  <rsandifo@redhat.com>
14830         * config/mips/t-iris6 (MULTILIB_DIRNAMES): Use -mabi argument values.
14831         (MULTILIB_OSDIRNAMES): Use the standard lib, lib32 and lib64.
14833 2005-01-08  Richard Sandiford  <rsandifo@redhat.com>
14835         * config/mips/t-slibgcc-irix (SHLIB_LINK): Install a copy of the
14836         library as @multilib_dir@/$(SHLIB_SONAME).
14838 2005-01-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
14840         * configure.ac (HAVE_AS_OFFSETABLE_LO10): Fix typo.
14841         * configure: Regenerate.
14843 2005-01-07  Jakub Jelinek  <jakub@redhat.com>
14845         * c-common.c (handle_mode_attribute): For ENUMERAL_TYPE, also copy
14846         TYPE_MODE.
14848 2005-01-07  David Edelsohn  <edelsohn@gnu.org>
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.
14855 2005-01-07  Richard Henderson  <rth@redhat.com>
14857         * config/i386/i386.md (sse_loadhps splitter): Fix operand number typo.
14859 2005-01-07  Richard SAndiford  <rsandifo@redhat.com>
14861         * tree.h (IS_EXPR_CODE_CLASS): Use a straight-forward range check.
14863 2005-01-07  Jakub Jelinek  <jakub@redhat.com>
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.
14869         PR rtl-optimization/19012
14870         * config/i386/i386.md (addqi_1_slp): Set memory attribute.
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.
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.
14889 2005-01-06  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
14891         * pa64-hpux.h (STARTFILE_SPEC): Fix typo in spec.
14893 2005-01-06  Roger Sayle  <roger@eyesopen.com>
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.
14901 2005-01-06  Roger Sayle  <roger@eyesopen.com>
14903         * simplify-rtx.c (simplify_subreg): Simplify truncations of shifts
14904         of sign or zero extended values.
14906 2005-01-06  Geoffrey Keating  <geoffk@apple.com>
14908         * c-cppbuiltin.c (builtin_define_float_constants): Set __*_EPSILON__
14909         for IBM long double format correctly.
14911 2005-01-06  Daniel Berlin <dberlin@dberlin.org>
14913         Fix PR tree-optimization/18792
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.
14924 2005-01-06  Richard Sandiford  <rsandifo@redhat.com>
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.
14931 2005-01-06  Roger Sayle  <roger@eyesopen.com>
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.
14936 2005-01-06  Tobias Schlueter  <tobias.schlueter@physik.uni-muenchen.de>
14938         * gcc.c (process_command): Change year in 'gcc --version' to 2005.
14940 2005-01-05  Daniel Berlin  <dberlin@dberlin.org>
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.
14953 2005-01-05  Richard Henderson  <rth@redhat.com>
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.
14964 2005-01-05  Richard Henderson  <rth@redhat.com>
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.
14973 2005-01-05  Richard Henderson  <rth@redhat.com>
14975         PR rtl-opt/10692
14976         * reload1.c (do_input_reload): Restrict the optimization deleteing
14977         a previous output reload to RELOAD_FOR_INPUT.
14979 2005-01-05  Steven Bosscher  <stevenb@suse.de>
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.
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.
15016         * doc/rtl.texi: Update documentation for bit-fields and SET.
15018 2005-01-05  Roger Sayle  <roger@eyesopen.com>
15020         * ifcvt.c (find_if_case_1): Revert 2005-01-04 change.
15022 2005-01-05  Jan Hubicka  <jh@suse.cz>
15023             Richard Henderson  <rth@redhat.com>
15025         PR target/18910
15026         * config/i386/i386.c (ix86_expand_move): Handle tls symbols
15027         with an offset.
15029 2005-01-05  Richard Henderson  <rth@redhat.com>
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.
15039 2005-01-05  Julian Brown  <julian@codesourcery.com>
15041         * config/arm/arm.c (arm_return_in_memory): Treat complex types
15042         as aggregates for AAPCS ABIs.
15044 2005-01-05  Stan Shebs  <shebs@apple.com>
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.
15054 2005-01-05  Roger Sayle  <roger@eyesopen.com>
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.
15063 2005-01-05  Joseph S. Myers  <joseph@codesourcery.com>
15065         * c-parse.in (asm_string): Add trailing semicolon.
15067 2005-01-05  Joseph S. Myers  <joseph@codesourcery.com>
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.
15074 2005-01-05  Joseph S. Myers  <joseph@codesourcery.com>
15076         * c-typeck.c (constructor_no_implicit): Remove.
15077         (set_designator, process_init_element): Don't check
15078         constructor_no_implicit.
15080 2005-01-05  J"orn Rennecke <joern.rennecke@st.com>
15081             Kaz Kojima  <kkojima@gcc.gnu.org>
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.
15088 2004-01-05  Richard Earnshaw  <rearnsha@arm.com>
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.
15094 2004-01-05  Richard Earnshaw  <rearnsha@arm.com>
15096         * arm/vfp.md (arm_movsi_vfp): Hide VFP register classes from register
15097         preferencing.
15099 2004-01-05  Uros Bizjak  <uros@kss-loka.si>
15101         * doc/invoke.texi (Intel 386 and AMD x86-64 Options):
15102         Replace i387 with 'i386 compiler' in -mfpmath=sse option.
15104 2005-01-04  Roger Sayle  <roger@eyesopen.com>
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.
15110 2005-01-04  Andrew Pinski  <pinskia@physics.uc.edu>
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.
15116 2005-01-04  Richard Henderson  <rth@redhat.com>
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.
15128 2005-01-04  Geoffrey Keating  <geoffk@apple.com>
15130         * toplev.c (get_src_pwd): Handle failure of getpwd().
15132 2005-01-04  Roger Sayle  <roger@eyesopen.com>
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.
15139 2005-01-04  Eric Botcazou  <ebotcazou@libertysurf.fr>
15141         * config/sparc/sparc.md (save_register_windowdi): Add missing mode.
15142         (save_register_windowsi): Likewise.
15144 2005-01-04  Richard Henderson  <rth@redhat.com>
15146         * tree-mudflap.c (mf_varname_tree): Fix thinko setting declname.
15148 2005-01-04  Uros Bizjak  <uros@kss-loka.si>
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.
15155 2005-01-04  Paolo Bonzini  <bonzini@gnu.org>
15156             Devang Patel  <dpatel@apple.com>
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.
15164 2005-01-04  Ira Rosen  <irar@il.ibm.com>
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.
15173 2005-01-04  Eric Botcazou  <ebotcazou@libertysurf.fr>
15175         * tree-eh.c (replace_goto_queue): Return early if the queue is empty.
15177 2005-01-04  Uros Bizjak  <uros@kss-loka.si>
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).
15183 2005-01-03  Richard Henderson  <rth@redhat.com>
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.
15190 2005-01-03  Richard Henderson  <rth@redhat.com>
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.
15200 2005-01-03  Ira Rosen  <irar@il.ibm.com>
15202         * tree-vectorizer.c (vect_strip_conversions): New function.
15203         (vect_analyze_offset_expr): Call vect_strip_conversions. Add
15204         check for binary class.
15206 2005-01-03  Daniel Berlin  <dberlin@dberlin.org>
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.
15223 2005-01-03  Geoffrey Keating  <geoffk@apple.com>
15225         * config/darwin.c (darwin_handle_weak_import_attribute): Permit
15226         VAR_DECLs to have weak_import attribute.
15228         * config/rs6000/darwin-fallback.c: Use 'ucontext_t' rather than
15229         'struct ucontext'.
15231 2004-01-03  Steven Bosscher  <stevenb@suse.de>
15233         * passes.c (rest_of_compilation): Don't run regmove if only
15234         flag_expensive_optimizations, require flag_regmove instead.
15236 2005-01-03  Eric Botcazou  <ebotcazou@libertysurf.fr>
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.
15245 2005-01-03  Richard Henderson  <rth@redhat.com>
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.
15279 2005-01-03  Richard Henderson  <rth@redhat.com>
15281         * simplify-rtx.c (simplify_binary_operation): Handle VEC_CONCAT.
15283 2005-01-03  Uros Bizjak  <uros@kss-loka.si>
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.
15290 2005-01-03  Eric Botcazou  <ebotcazou@libertysurf.fr>
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.
15298 2005-01-03  Richard Henderson  <rth@redhat.com>
15299             Uros Bizjak  <uros@kss-loka.si>
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.
15310 2005-01-02  Greg McGary  <greg@mcgary.org>
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.
15319 2005-01-01  Richard Henderson  <rth@redhat.com>
15321         * tree-vectorizer.c (vect_analyze_offset_expr): Strip conversions
15322         that don't narrow the value.  Fail for other conversions.
15324 2005-01-01  Richard Henderson  <rth@redhat.com>
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.
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.
15338 2005-01-01  Andrew Pinski  <pinskia@physics.uc.edu>
15340         PR middle-end/19221
15341         * function.c (get_arg_pointer_save_area): Use entry_of_function
15342         instead of get_insns.
15344 2005-01-01  Roger Sayle  <roger@eyesopen.com>
15345             Andrew Pinski  <pinskia@physics.uc.edu>
15346             James E. Wilson  <wilson@specifixinc.com>
15348         PR rtl-optimization/12092
15349         * loop.c (emit_prefetch_instructions): Do nothing if PREFETCH_BLOCK
15350         is zero.
15352 2005-01-01  Roger Sayle  <roger@eyesopen.com>
15353             Olivier Hainque  <hainque@act-europe.fr>
15355         * tree.c (int_fits_type_p): A narrower type always fits in a
15356         wider one, except for negative values into unsigned types.
15358 2005-01-01  Roger Sayle  <roger@eyesopen.com>
15360         * tree.c (int_fits_type_p): Compare the result of force_fit_type
15361         with the original constant rather than require TREE_OVERFLOW.
15363 2005-01-01  Steven Bosscher  <stevenb@suse.de>
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.