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2005-04-05 Andrew MacLeod <amacleod@redhat.com>
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2005-04-05  Andrew MacLeod  <amacleod@redhat.com>
2
3         * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use update_stmt.
4         Use immediate use iterator.
5         (stmt_is_bumper_for_loop): Use immediate use iterator.
6         * predict.c (strip_builtin_expect): Use update_stmt.
7         * tree-cfg.c (update_modified_stmts): New. Call update_stmt_if_modified
8         on all elements of a STATEMENT_LIST.
9         (bsi_insert_before, bsi_insert_after): Call update_modified_stmts.
10         (bsi_remove): Remove imm_use links and mark the stmt as modified.
11         (bsi_replace): Mark stmt as modified and the update it.
12         * tree-complex.c (update_complex_assignment): Call mark_stmt_modified.
13         (expand_complex_libcal): Call update_stmt.
14         (expand_complex_comparison): Call mark_stmt_modified.
15         (expand_complex_operations_1): Call update_stmt_if_modified.
16         (expand_vector_operations_1): Call mark_stmt_modified.
17         * tree-dfa.c (compute_immediate_uses, free_df_for_stmt, free_df,
18         compute_immediate_uses_for_phi, compute_immediate_uses_for_stmt,
19         add_immediate_use, redirect_immediate_use,
20         redirect_immediate_uses, dump_immediate_uses, debug_immediate_uses,
21         dump_immediate_uses_for, debug_immediate_uses_for): Delete.
22         (mark_new_vars_to_rename): Call update_stmt.
23         * tree-dump.c (dump_option_value_in): Add "stmtaddr".
24         * tree-flow-inline.h (modify_stmt): Rename to mark_stmt_modified.  
25         Ignore PHI nodes.
26         (unmodify_stmt): Delete.
27         (update_stmt): New.  Force an update of a stmt.
28         (update_stmt_if_modified): update a stmt if it is out of date.
29         (get_stmt_operands): Verify stmt is NOT modified. 
30         (stmt_modified_p): Update comment.
31         (delink_imm_use): Remove a use node from its immuse list.
32         (link_imm_use_to_list): Link a use node to a specific list.
33         (link_imm_use): Link a node to the correct list.
34         (set_ssa_use_from_ptr): Set a use node to a specific value, and insert
35         it in the correct list, if appropriate.
36         (link_imm_use_stmt): Link a use node, and set the stmt pointer.
37         (relink_imm_use): Link a use node in place of another node in a list.
38         (relink_imm_use_stmt): LInk a node in place of another node, and set
39         the stmt pointer.
40         (end_safe_imm_use_traverse): New.  Terminate a safe immuse iterator.
41         (end_safe_imm_use_p): New.  Check for the end of a safe immuse iterator.
42         (first_safe_imm_use): New.  Initialize a safe immuse iterator.
43         (next_safe_imm_use): New.  Proceed to next safe immuse iterator value.
44         (end_readonly_imm_use_p): New.  Check for end of a fast immuse iterator.
45         (first_readonly_imm_use): New.  Initialize a fast immuse iterator.
46         (next_readonly_imm_use): New.  Get the next fast immuse iterator value.
47         (has_zero_uses): New.  Return true if there are no uses of a var.
48         (has_single_use): New.  Return true if there is only a single use of a
49         variable.
50         (single_imm_use): New.  Return the simgle immediate use.
51         (num_imm_uses): New.  Return the number of immediate uses.
52         (get_v_must_def_ops): Use is now a pointer.
53         (use_operand_p, get_v_may_def_op_ptr, get_vuse_op_ptr,
54         get_v_must_def_kill_ptr, get_phi_arg_def_ptr): Return the address of 
55         the use node.
56         (get_immediate_uses, num_immediate_uses, immediate_use): Delete.
57         (delink_stmt_imm_use): Delink all immuses from a stmt.
58         (phi_arg_index_from_use): New.  Return a phi arg index for a use.
59         * tree-flow.h (struct dataflow_d): Delete.
60         (immediate_use_iterator_d): New.  Immediate use iterator struct.
61         (FOR_EACH_IMM_USE_FAST): New.  Macro for read only immuse iteration.
62         (FOR_EACH_IMM_USE_SAFE): New.  Macro for write-safe immuse iteration.
63         (BREAK_FROM_SAFE_IMM_USE): New.  Macro for earlyu exit from write-safe 
64         iteration.
65         (struct stmt_ann_d): Remove dataflow_t from struct.
66         * tree-if-conv.c (tree_if_conversion).  Don't call free_df.
67         (if_convertible_phi_p): Use FAST immuse iterator.
68         (if_convertible_loop_p): Don't call compute_immediate_uses.
69         (replace_phi_with_cond_modify_expr): Call update_stmt.
70         * tree-into-ssa.c (mark_def_sites, ssa_mark_def_sites): Call 
71         update_stmt_if_modified.
72         (rewrite_all_into_ssa): Initialize ssa operands.
73         * tree-loop-linear.c (linear_transform_loops): Don't call free_df or
74         compute_immediate_uses.
75         * tree-optimize.c (execute_todo): Call verify_ssa whenever the 
76         ssa_property is available.
77         (execute_one_pass):  Change parameters passed to execute_todo.
78         * tree-outof-ssa.c (rewrite_trees): Don't call modify_stmt.
79         (remove_ssa_form): Call fini_ssa_operands.
80         (insert_backedge_copies): Delete call to modify_stmt.
81         * tree-phinodes.c (make_phi_node): Initialize use nodes.
82         (release_phi_node): Delink any use nodes before releasing.
83         (resize_phi_node): Relink any use nodes.
84         (remove_phi_arg_num): Delink the use node.
85         (remove_phi_node): Release the ssa_name AFTER releasing the phi node.
86         (remove_all_phi_nodes_for): Release phi node first.
87         * tree-pretty-print.c (dump_generic_node): Print stmt address.
88         * tree-sra.c (mark_all_v_defs): Call update_stmt_if_modified.
89         (scalarize_use, scalarize_copy): Call update_stmt.
90         * tree-ssa-alias.c (compute_may_aliases): Update all modified stmts.
91         (compute_points_to_and_addr_escape): Call mark_stmt_modified.
92         * tree-ssa-cpp.c (need_imm_uses_for): Delete.
93         (ccp_initialize): Remove call to compute_immediate_uses.
94         (substitute_and_fold, execute_fold_all_builtins): Call update_stmt.
95         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Update all modified 
96         stmts.
97         (simplify_cond_and_lookup_avail_expr): Call mark_stmt_modified.
98         (simplify_switch_and_lookup_avail_expr): Call mark_stmt_modified.
99         (eliminate_redundant_computations): Call mark_stmt_modified.
100         (cprop_operand): Call mark_stmt_modified.
101         (optimize_stmt): Call update_stmt_if_modified and mark_stmt_modified.
102         * tree-ssa-dse.c (fix_phi_uses, fix_stmt_v_may_defs): Delete.
103         (dse_optimize_stmt): Use new immuse interface.
104         (tree_ssa_dse): Remove calls to compute_immediate_uses and free_df.
105         * tree-ssa-forwprop.c (need_imm_uses_for): Delete.
106         (substitute_single_use_vars): Use new immuse interface.
107         (tree_ssa_forward_propagate_single_use_vars): Remove calls to free_df
108         and compute_immediate_uses.
109         * tree-ssa-loop-im.c (single_reachable_address): Use new immuse 
110         interface.
111         (rewrite_mem_refs): Call update_stmt.
112         (determine_lsm): Remove call to compute_imm_uses and free_df.
113         * tree-ssa-loop-ivcanon.c (create_canonical_iv): Call update_stmt.
114         (try_unroll_loop_completely): Call update_stmt.
115         * tree-ssa-loop-ivopts.c (rewrite_address_base): Call update_stmt.
116         (rewrite_use_compare): Call update_stmt.
117         (compute_phi_arg_on_exit): Insert each stmt before trying to process.
118         (rewrite_use) : Call update_stmt.
119         * tree-ssa-loop-manip.c (verify_loop_closed_ssa): Add arg to call.
120         * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Call 
121         update_stmt.
122         * tree-ssa-operands.c (NULL_USE_OPERAND_P): Remove declaration.
123         (allocate_use_optype, allocate_vuse_optype): Adjust allocation size.
124         (free_uses, free_vuses, free_v_may_defs, free_v_must_defs): Delink
125         use nodes.
126         (initialize_vuse_operand): New.  Initialize a vuse operand.
127         (initialize_v_may_def_operand): New.  Initialize a maydef operand.
128         (initialize_v_must_def_operand): New.  Initialize a mustdef operand.
129         (finalize_ssa_defs): Use stmt parameter.
130         (correct_use_link): Ensure a use node is in the correct list, and has
131         the correct stmt pointer.
132         (finalize_ssa_uses, finalize_ssa_v_may_defs, finalize_ssa_vuses,
133         finalize_ssa_v_must_defs): Also initialize use nodes.
134         (finalize_ssa_stmt_operands): Pass extra stmt operands.
135         (build_ssa_operands): Seperate parsing from final operand construction.
136         (parse_ssa_operands): New.  Parse entry point for operand building.
137         (swap_tree_operands): New.  Swap 2 tree operands.
138         (update_stmt_operands): Ranamed from get_stmt_operands.  Always builds
139         operands.
140         (get_expr_operands): Call swap_tree_operands when needed.
141         (copy_virtual_operands): Use initialize routines for virtual use ops.
142         (create_ssa_artficial_load_stmt): Add extra stmt parameter.
143         (verify_abort): New.  Issue imm_use error.
144         (verify_imm_links): New Verify imm_use links for a var.
145         (dump_immediate_uses_for): New.  Dump imm_uses for a var to file.
146         (dump_immediate_uses): New.  Dump imm_uses for all vars to file.
147         (debug_immediate_uses): New.  Dump imm_uses for all vars to stderr.
148         (debug_immediate_uses_for): New.  Dump imm_uses for a var to stderr.
149         * tree-ssa-operands.h (struct use_operand_ptr): Delete.
150         (NULL_USE_OPERAND_P) Define.
151         (use_optype_d, v_def_use_operand_type, vuse_optype_d): Add immediate
152         use node.
153         (struct vuse_operand_type): New struct.
154         (SET_USE): Call set_ssa_use_from_ptr.
155         (USE_STMT): Define.
156         (PHI_ARG_INDEX_FROM_USE): Define.
157         * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Set the phi 
158         argument via SET_USE, not PHI_ARG_DEF_TREE.
159         * tree-ssa-pre.c (eliminate): Call update_stmt.
160         * tree-ssa-propagate.c (cfg_blocks_get): Use imm_use iterators.  Don't
161         call free_df.
162         * tree-ssa-sink.c (all_immediate_uses_same_place): Use imm_use iterator.
163         (nearest_common_dominator_of_uses): Use imm_use iterator.
164         (statement_sink_location): Use imm_use iterator and interface.
165         (execute_sink_code): Don't call compute_immediate_uses or free-df.
166         * tree-ssa-threadupdate.c (create_edge_and_update_destination_phis): Use
167         PHI_ARG_DEF, not PHI_ARG_DEF_TREE.
168         * tree-ssa.c (verify_use, verify_phi_args): Verify some imm_use info.
169         (verify_ssa): Ensure no stmt is marked modify after optimization pass
170         if new parameter is true.
171         (init_tree_ssa): Don't initialize operand cache here.
172         (delete_tree_ssa): Don't destroy operand cache here.
173         (propagate_into_addr): Pass in a use pointer, return true if anything
174         was changed.
175         (replace_immediate_uses): Use imm_use iterator, call update_stmt.
176         (check_phi_redundancy): Use imm_use iterator.
177         (kill_redundant_phi_nodes): Don't call compute_immediate_uses or 
178         free_df.
179         * tree-ssanames.c (make_ssa_name): Initialize imm_use node.
180         (release_ssa_name): Delink node and all elements in its imm_use list.
181         * tree-tailcall.c (adjust_return_value): Call update_stmt.
182         * tree-vect-analyze.c (vect_stmt_relevant_p): Use imm_use iterator.
183         * tree-vectorizer.c (need_imm_uses_for): Delete.
184         (vectorize_loops): Dont call compute_immediate_uses or free_df.
185         * tree.h (struct ssa_imm_use_d): Define.
186         (SSA_NAME_IMM_USE_NODE): Define.
187         (struct tree_ssa_name): Add imm_use node.
188         (PHI_DF): Delete.
189         (PHI_ARG_IMM_USE_NODE): Define.
190         (struct phi_arg_d): Add imm_use node.
191         (struct tree_phi_node): Remove struct dataflow_d element.
192         (TDF_STMTADDR): Define.
193
194 2005-04-05  Dale Johannesen  <dalej@apple.com>
195
196         * doc/invoke.texi (Optimization Options):  Remove
197         duplicate -fcse-follow-jumps.  Add -fweb.
198         (-ftree-lim):  Fix spelling (-ftree-loop-im, invariants).
199         (-fivcanon):  Fix spelling (-ftree-loop-ivcanon).
200
201 2005-04-05  Per Bothner  <per@bothner.com>
202
203         * tree-ssa.c (execute_early_warn_uninitialized): Pass context node
204         to talk_tree as 'data' parameter, rather than EXPR_LOCUS.
205         (warn_uninit): Get EXPR_LOCUS from context now instead.
206         This fixes a USE_MAPPED_LOCATION testsuite failure.
207
208         * tree-ssa.c (warn_uninitialized_var): Remove useless local.
209
210 2005-04-05  Per Bothner  <per@bothner.com>
211
212         * c-decl.c (finish_function): If USE_MAPPED_LOCATION set the location
213         of the artification 'return 0' in main() to BUILTINS_LOCATION.
214         * tree-cfg.c (remove_bb): Check that location isn't BUILTINS_LOCATION
215         before warning. 
216
217 2004-04-05  Devang Patel  <dpatel@apple.com>
218
219         * config/rs600/altivec.md (altivec_vsr<VI_char>): Rename to ..
220         (lhsr<mode>3): ... new name.
221         (altivec_vsra<VI_char>): Rename to ..
222         (ashr<mode>3): ... new name.
223         * config/rs6000/rs6000.c (builtin_description): Rename shift
224         operations.
225         
226 2004-04-05  Paolo Bonzini  <bonzini@gnu.org>
227
228         * combine.c (RTL_HOOKS_GEN_LOWPART_NO_EMIT): Use
229         gen_lowpart_for_combine.
230         * cse.c (gen_lowpart_if_possible): Move...
231         * rtlhooks.c (gen_lowpart_if_possible): ... here.  Also try
232         gen_lowpart_SUBREG.
233         (gen_lowpart_no_emit_general): Use it.
234
235 2005-04-05  Eric Botcazou  <ebotcazou@libertysurf.fr>
236
237         * config/sparc/sparc.c (TARGET_ASM_FILE_END): Undefine before
238         overriding.
239
240 2005-04-05  Paolo Bonzini  <bonzini@gnu.org>
241
242         * system.h: Fix typo.
243
244 2005-04-05  Bernd Schmidt  <bernd.schmidt@analog.com>
245
246         * config/bfin/bfin-modes.def: New file.
247         * config/bfin/bfin-protos.h: New file.
248         * config/bfin/bfin.c: New file.
249         * config/bfin/bfin.h: New file.
250         * config/bfin/bfin.md: New file.
251         * config/bfin/bfin.opt: New file.
252         * config/bfin/crti.s: New file.
253         * config/bfin/crtn.s: New file.
254         * config/bfin/elf.h: New file.
255         * config/bfin/lib1funcs.asm: New file.
256         * config/bfin/predicates.md: New file.
257         * config/bfin/t-bfin: New file.
258         * config/bfin/t-bfin-elf: New file.
259         * doc/extend.texi (exception_handler, kspisusp, nesting, nmi_handler):
260         Document new attributes.
261         (interrupt, interrupt_handler, saveall): Update documentation for
262         these attributes.
263         * doc/install.texi (Specific): Add entry for the Blackfin.
264         * doc/invoke.texi (Blackfin Options): New section.
265         * doc/md.texi (Blackfin family): New section to document constraints.
266         * config.gcc: Add bfin*-* and bfin*-elf configurations.
267
268 2005-04-05  Olivier Hainque  <hainque@adacore.com>
269         
270         * config/mips/iris6.h (DWARF_FRAME_RETURN_COLUMN): Redefine to
271         match what the system unwinder expects.
272         * config/mips/mips.c (mips_frame_set): If we're saving the return
273         address register and the dwarf return address column number differs
274         from the hard register number, adjust the note reg to refer to the
275         former.
276
277 2004-04-05  Richard Sandiford  <rsandifo@redhat.com>
278
279         * config/mn10300/mn10300-protos.h (mn10300_override_options): Declare.
280         * config/mn10300/mn10300.h (target_flags, TARGET_MULT_BUG)
281         (TARGET_SWITCHES, TARGET_DEFAULT): Delete.
282         (processor_type): New enum.
283         (mn10300_processor): New variable.
284         (TARGET_AM33, TARGET_AM33_2): Redefine in terms of mn10300_processor.
285         (PROCESSOR_DEFAULT, OVERRIDE_OPTIONS): New macros.
286         * config/mn10300/linux.h (TARGET_SWITCHES, TARGET_DEFAULT): Delete.
287         (PROCESSOR_DEFAULT): New macro.
288         * config/mn10300/mn10300.c (mn10300_processor): New variable.
289         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
290         (mn10300_handle_option, mn10300_override_options): New functions.
291         * config/mn10300/mn10300.opt: New file.
292
293 2005-04-05  Eric Botcazou  <ebotcazou@libertysurf.fr>
294             Sebastian Pop <sebastian.pop@cri.ensmp.fr>
295
296         PR tree-optimization/19903
297         * tree-chrec.c (chrec_convert): Return chrec_dont_know for constants
298         that don't fit in their type after conversion.
299
300 2005-04-05 Uros Bizjak <uros@kss-loka.si>
301
302         PR target/20421
303         * config/i386/i386.md (frndintxf2_floor, frndintxf2_ceil)
304         (frndintxf2_trunc, frndintxf2_mask_pm): Add FLAGS_REG clobber.
305         Allocate local stack slots here.  Set ix86_optimize_mode_switching.
306         flag here. Implement using define_insn_and_split.  
307         (frndintxf2_floor_i387, frndintxf2_ceil_i387, frndintxf2_trunc_i387)
308         (frndintxf2_mask_pm_i387): New insn patterns.
309         (floorsf2, floordf2, floorxf2): Remove local stack slot allocations.
310         Do not set ix86_optimize_mode_switching flag.
311         (ceilsf2, ceildf2, ceilxf2): Same.
312         (btruncsf2, btruncdf2, btruncxf2): Same.
313         (nearbyintsf2, nearbyintdf2, nearbyintxf2): Same.
314
315 2005-04-05  Ian Lance Taylor  <ian@airs.com>
316
317         PR debug/9963
318         * config/i386/cygming.h (ASM_OUTPUT_EXTERNAL): Pass DECL to
319         i386_pe_record_external_function.
320         (i386_pe_record_external_function): Update declaration.
321         * config/i386/winnt.c (struct extern_list): Add decl field.
322         (i386_pe_record_external_function): Add decl parameter.
323         (i386_pe_file_end): Check TREE_ASM_WRITTEN on decl, not
324         identifier.
325         * config/i386/i386-protos.h (i386_pe_record_external_function):
326         Update declaration.
327
328 2005-04-05  Kazu Hirata  <kazu@cs.umass.edu>
329
330         * config/m68k/m68k-protos.h: Add a prototype for
331         valid_dbcc_comparison_p_2.
332         * config/m68k/m68k.c (not_sp_operand, symbolic_operand,
333         extend_operator, const_uint32_operand, const_sint32_operand,
334         general_src_operand, nonimmediate_src_operand,
335         memory_src_operand, post_inc_operand, pre_dec_operand,
336         pcrel_address): Move to predicates to predicates.md.
337         * config/m68k/m68k.h (PREDICATE_CODES): Remove.
338         * config/m68k/m68k.md: Include predicates.md.
339         * config/m68k/predicates.md: New.
340
341 2005-04-04  Roger Sayle  <roger@eyesopen.com>
342
343         * config/i386/i386.md (*truncdfsf2_i387_1): New pattern.
344
345         * fold-const.c (maybe_lvalue_p): Delete orphaned comment.
346
347 2005-04-04  Ian Lance Taylor  <ian@airs.com>
348
349         * c-typeck.c (struct c_switch): Rename switch_stmt field to
350         switch_expr.
351         (c_start_case): Build SWITCH_EXPR, not SWITCH_STMT.
352         (do_case): Use SWITCH_COND rather than SWITCH_STMT_COND.
353         (c_finish_case): Use SWITCH_BODY rather than SWITCH_STMT_BODY.
354         Call c_do_switch_expr_warnings rather than c_do_switch_warnings.
355         * c-common.c (c_do_switch_warnings_1): New static function broken
356         out of c_do_switch_warnings.
357         (c_do_switch_warnings): Call c_do_switch_warnings_1.
358         (c_do_switch_expr_warnings): New function.
359         * c-common.h (c_do_switch_expr_warnings): Declare.
360
361 2005-04-04  David Edelsohn  <edelsohn@gnu.org>
362             Daniel Jacobowitz  <dan@codesourcery.com>
363
364         * tree-eh.c (tree_could_trap_p): Allow non-constant floating point
365         trapping divide.
366         * rtlanal.c (may_trap_p): Same.
367
368 2005-04-04  Dale Johannesen  <dalej@apple.com>
369
370         * ChangeLog:  remove reference to ChangeLog.12.
371
372 2005-04-05  Hans-Peter Nilsson  <hp@axis.com>
373
374         CRIS epilogue as RTL.
375         * config/cris/cris.md: Change all 0 in unspec 0 to
376         CRIS_UNSPEC_PLT.
377         (CRIS_UNSPEC_PLT, CRIS_UNSPEC_FRAME_DEALLOC): New constants.
378         ("*cris_load_multiple", "cris_frame_deallocated_barrier"): New
379         patterns.
380         ("return"): Change to define_expand.  Call cris_expand_return for
381         actual expansion.
382         ("*return_expanded"): New pattern.
383         ("epilogue"): New define_expand.
384         * config/cris/cris.h (PREDICATE_CODES): Add
385         cris_load_multiple_op.
386         * config/cris/cris.c (ASSERT_PLT_UNSPEC): Correct test for unspec
387         type.
388         (enum cris_retinsn_type): New.
389         (struct machine_function): New member return_type.
390         (TARGET_ASM_FUNCTION_EPILOGUE): Don't override.
391         (cris_target_asm_function_epilogue): Remove, moving RTLified
392         contents to...
393         (cris_expand_epilogue): New function.
394         (cris_reg_saved_in_regsave_area, cris_movem_load_rest_p,
395         (cris_gen_movem_load, cris_load_multiple_op)
396         (cris_return_address_on_stack_for_return, cris_expand_return): New
397         functions.
398         (cris_target_asm_function_prologue)
399         (cris_initial_frame_pointer_offset): Call
400         cris_reg_saved_in_regsave_area instead of complicated expression.
401         Call cris_return_address_on_stack instead of an expression.
402         (cris_print_operand) <case 'o', case 'O'>: New cases.
403         (cris_return_address_on_stack): Change return-type to bool.
404         (cris_simple_epilogue): Ditto.  Return false if registers are
405         saved.
406         * config/cris/cris-protos.h (cris_simple_epilogue)
407         (cris_return_address_on_stack): Adjust prototype return type.
408         (cris_gen_movem_load, cris_expand_epilogue, cris_expand_return)
409         (cris_return_address_on_stack_for_return): New prototypes.
410
411 2005-04-04  Kazu Hirata  <kazu@cs.umass.edu>
412
413         * config/frv/frv.h (PREDICATE_CODES): Add CONST to
414         gpr_or_int12_operand.
415
416         * config/frv/frv-protos.h: Add a prototype to
417         frv_legitimate_memory_operand and frv_const_unspec_p.
418         (frv_unspec): Move from frv.c.
419         * config/frv/frv.c (frv_unspec): Move to frv-protos.h.
420         (frv_const_unspec_p, frv_legitimate_memory_operand_): Export.
421         (ldd_address_operand, fdpic_fptr_operand, frv_load_operand,
422         gpr_or_fpr_operand, gpr_or_int12_operand,
423         gpr_fpr_or_int12_operand, fpr_or_int6_operand,
424         gpr_or_int10_operand, gpr_or_int_operand, int12_operand,
425         int6_operand, int5_operand, uint5_operand, uint4_operand,
426         uint1_operand, int_2word_operand, uint16_operand,
427         upper_int16_operand, integer_register_operand,
428         gpr_no_subreg_operand, fpr_operand, even_reg_operand,
429         odd_reg_operand, even_gpr_operand, odd_gpr_operand,
430         quad_fpr_operand, even_fpr_operand, odd_fpr_operand,
431         dbl_memory_one_insn_operand, dbl_memory_two_insn_operand,
432         move_destination_operand, movcc_fp_destination_operand,
433         frv_function_symbol_referenced_p, move_source_operand,
434         condexec_dest_operand, condexec_source_operand,
435         reg_or_0_operand, lr_operand, fdpic_operand, got12_operand,
436         const_unspec_operand, gpr_or_memory_operand,
437         gpr_or_memory_operand_with_scratch, fpr_or_memory_operand,
438         icc_operand, fcc_operand, cc_operand, icr_operand,
439         fcr_operand, cr_operand, call_operand, sibcall_operand,
440         symbolic_operand, relational_operator,
441         integer_relational_operator, float_relational_operator,
442         ccr_eqne_operator, minmax_operator,
443         condexec_si_binary_operator, condexec_si_media_operator,
444         condexec_si_divide_operator, condexec_si_unary_operator,
445         condexec_sf_conv_operator, condexec_sf_add_operator,
446         condexec_memory_operand, intop_compare_operator, acc_operand,
447         even_acc_operand, quad_acc_operand, accg_operand: Move to
448         predicates.md.
449         * config/frv/frv.h (PREDICATE_CODES): Remove.
450         * config/frv/frv.md: Include predicates.md.
451         * config/frv/predicates.md: New.
452
453 2004-04-04  Richard Sandiford  <rsandifo@redhat.com>
454
455         PR target/19537
456         * Makefile.in (tree-ssa-loop-ivopts.o): Depend on langhooks.h.
457         * tree-ssa-loop-ivopts.c: Include langhooks.h.
458         (add_standard_iv_candidates_for_size): New function, extracting code
459         from add_standard_iv_candidates and parameterizing it by type size.
460         (add_standard_iv_candidates): Use add_standard_iv_candidates_for_size.
461
462 2004-04-04  Richard Sandiford  <rsandifo@redhat.com>
463
464         * system.h (GCOV_SIZE_TYPE): Unposion.
465         * gcov-io.h (GCOV_TYPE_NODE): Delete, replacing with...
466         (GCOV_TYPE_SIZE): ...this new macro.
467         * coverage.h (get_gcov_type, GCOV_TYPE_NODE): Declare.
468         * coverage.c (get_gcov_type, get_gcov_unsigned_t): New functions.
469         (rtl_coverage_counter_ref): Use GCOV_TYPE_SIZE.
470         (build_fn_info_type, build_fn_info_value, build_ctr_info_type)
471         (build_ctr_info_value, build_gcov_info): Use get_gcov_unsigned_t
472         instead of unsigned_intSI_type_node.
473         * rtl-profile.c (rtl_gen_interval_profiler, rtl_gen_pow2_profiler)
474         (rtl_gen_one_value_profiler_no_edge_manipulation)
475         (rtl_gen_const_delta_profiler): Use GCOV_TYPE_SIZE.
476         * value-prof.c: Include coverage.h.
477
478 2005-04-02  Daniel Berlin  <dberlin@dberlin.org>
479             Diego Novillo <dnovillo@redhat.com>
480             
481         Fix PR tree-optimization/20703
482         Fix PR tree-optimization/20725
483         
484         * tree-ssa-pre.c (phi_translate): Handle tcc_comparison.
485         (create_expression_by_pieces): Ditto.
486         (valid_in_set): Ditto. Also handle tcc_declaration.
487         (find_or_generate_expression): Handle comparison class.
488         (insert_into_preds_of_block): Ditto.
489         (insert_aux): Ditto.
490         (create_value_expr_from): Handle comparison class, recursively
491         handle reference nodes.
492         (compute_avail): Handle comparison classes, rewrite a little cleaner.
493         (execute_pre): Fix spacing.
494         (do_fre): Renamed to execute_fre.
495
496 2005-04-04  Eric Botcazou  <ebotcazou@libertysurf.fr>
497
498         * doc/invoke.texi (SPARC options): Document that
499         -mlittle-endian is not supported on Linux either.
500
501 2005-04-04  Eric Botcazou  <ebotcazou@libertysurf.fr>
502
503         PR target/4198
504         PR target/12027
505         * config.gcc (Obsolete configurations): Remove
506         sparclite-*-coff*, sparclite-*-elf* and sparc86x-*-elf*.
507         (sparclite-*-coff*): Delete.
508         (sparclite-*-elf*): Likewise.
509         (sparc86x-*-elf*): Likewise.
510         (target_cpu_default) <sparc*-*-*>: Remove sparc86x.
511         * config/sparc/lite.h: Delete.
512         * config/sparc/litecoff.h: Likewise.
513         * config/sparc/liteelf.h: Likewise.
514         * config/sparc/sp86x-elf.h: Likewise.
515         * config/sparc/t-sparclite: Likewise.
516         * config/sparc/t-sp86x: Likewise.
517
518 2005-04-04  Adrian Straetling  <straetling@de.ibm.com>
519
520         * config/s390/s390-protos.h: (s390_comparison,
521         s390_alc_comparison, s390_slb_comparison, const0_operand,
522         consttable_operand, larl_operand, s_operand,
523         shift_count_operand, bras_sym_operand, load_multiple_operation,
524         store_multiple_operation, s390_plus_operand): Remove prototypes.
525         (s390_legitimate_address_without_index_p): New prototype.
526         * config/s390/s390.c: (SYMBOL_FLAG_ALIGN1, DISP_IN_RANGE): Move
527         to s390.h.
528         (s390_comparison, s390_alc_comparison, s390_slb_comparison,
529         const0_operand, consttable_operand, larl_operand, s_operand,
530         shift_count_operand, bras_sym_operand, load_multiple_operation,
531         store_multiple_operation, s390_plus_operand): Move to
532         predicates.md.
533         (check_mode): Remove.
534         (s390_branch_condition_mask): Remove 'static'. Move prototype to
535         s390-protos.h.
536         (s390_legitimate_address_without_index_p): New.
537         * config/s390/s390.h (PREDICATE_CODES): Remove.
538         * config/s390/s390.md: Include predicates.md.
539         * config/s390/predicates.md: New.
540
541 2005-04-04  Eric Botcazou  <ebotcazou@libertysurf.fr>
542
543         PR target/20446
544         * config/sparc/sparc.h (NEED_INDICATE_EXEC_STACK): Define to 0.
545         * config/sparc/linux.h (TARGET_ASM_FILE_END): Delete.
546         (NEED_INDICATE_EXEC_STACK): Define to 1.
547         * config/sparc/linux64.h (TARGET_ASM_FILE_END): Delete.
548         (NEED_INDICATE_EXEC_STACK): Define to 1.
549         * config/sparc/sparc.c (TARGET_ASM_FILE_END): Set to sparc_file_end.
550         (add_pc_to_pic_symbol): Rename into pic_helper_symbol.
551         (add_pc_to_pic_symbol_name): Rename into pic_helper_symbol_name.
552         (pic_helper_emitted_p): New global.
553         (emit_pic_helper): New function extracted from...
554         (load_pic_register): ...here.  Add 'delay_pic_helper' parameter.
555         Do not call emit_pic_helper if delay_pic_helper is true.
556         (sparc_expand_prologue): Pass 'false' to load_pic_register.
557         (sparc_output_mi_thunk): Pass 'true' to load_pic_register.
558         (sparc_file_end): New function.
559
560 2005-04-04  Kazu Hirata  <kazu@cs.umass.edu>
561
562         * config/mcore/mcore-protos.h: Remove the prototypes for
563         mcore_arith_reg_operand, mcore_general_movsrc_operand,
564         mcore_general_movdst_operand, mcore_reload_operand,
565         mcore_arith_J_operand, mcore_arith_K_operand,
566         mcore_arith_K_operand_not_0, mcore_arith_M_operand,
567         mcore_arith_K_S_operand, mcore_arith_imm_operand,
568         mcore_arith_any_imm_operand, mcore_arith_O_operand,
569         mcore_literal_K_operand, mcore_addsub_operand,
570         mcore_compare_operand, mcore_load_multiple_operation,
571         mcore_store_multiple_operation, mcore_call_address_operand.
572         Add a prototype for const_ok_for_mcore.
573         * config/mcore/mcore.c (mcore_call_address_operand,
574         mcore_general_movsrc_operand, mcore_general_movdst_operand,
575         mcore_arith_reg_operand, mcore_reload_operand,
576         mcore_arith_J_operand, mcore_arith_K_operand,
577         mcore_arith_K_operand_not_0, mcore_arith_K_S_operand,
578         mcore_arith_M_operand, mcore_arith_imm_operand,
579         mcore_arith_any_imm_operand, mcore_arith_O_operand,
580         mcore_literal_K_operand, mcore_addsub_operand,
581         mcore_compare_operand, mcore_load_multiple_operation,
582         mcore_store_multiple_operation): Move to predicates.md.
583         (const_ok_for_mcore): Export.
584         * config/mcore/mcore.h (PREDICATE_CODES): Remove.
585         * config/mcore/mcore.md: Include predicates.md.
586         * config/mcore/predicates.md: New.
587
588         * config/mcore/predicates.md: Fix a comment typo.
589
590 2005-04-04  Andreas Krebbel  <krebbel1@de.ibm.com>
591             Adrian Straetling  <straetling@de.ibm.com>
592
593         * config/s390/2064.md ("z_mul", "z_inf"): New insn reservations.
594         * config/s390/2084.md ("x_mul_hi", "x_mul_sidi", "x_div"): Likewise.
595         * config/s390/s390.md ("imulhi", "imulsi", "imuldi"): Added to "type"
596         attribute.
597         ("imul"): Removed from "type" attribute.
598         ("*muldi3_sign", "muldi3"): Changed type to imuldi.
599         ("mulsi3/1", "mulsi3/3", "mulsi/4", "mulsidi3", "umulsidi3"): 
600         Changed type to imulsi.
601         ("*mulsi3_sign", "mulsi3/2"): Changed type to imulhi.
602
603 2005-04-04  Richard Sandiford  <rsandifo@redhat.com>
604
605         * config/mcore/mcore.h (target_flags, HARDLIT_BIT, ALIGN8_BIT, DIV_BIT)
606         (RELAX_IMM_BIT, W_FIELD_BIT, OVERALIGN_FUNC_BIT, CGDATA_BIT)
607         (SLOW_BYTES_BIT, LITTLE_END_BIT, M340_BIT, TARGET_HARDLIT)
608         (TARGET_DIV, TARGET_RELAX_IMM, TARGET_W_FIELD, TARGET_OVERALIGN_FUNC)
609         (TARGET_CG_DATA, TARGET_SLOW_BYTES, TARGET_LITTLE_END, TARGET_M340)
610         (TARGET_SWITCHES, mcore_stack_increment_string)
611         (TARGET_OPTIONS): Delete.
612         (TARGET_DEFAULT, OPTIMIZATION_OPTIONS): Use MASK_* constants rather
613         than *_BIT constants.
614         (TARGET_8ALIGN): #undef old definition before redefining to 1.
615         * config/mcore/mcore.c (mcore_stack_increment_string): Delete.
616         (TARGET_DEFAULT_TARGET_FLAGS): Override default to TARGET_DEFAULT.
617         (mcore_override_options): Delete mcore_stack_increment code.
618         Change use of M340_BIT to MASK_M340.
619         * config/mcore/mcore.opt: New file.
620
621 2005-04-04  Ian Lance Taylor  <ian@airs.com>
622
623         * config/arm/arm.c (replace_symbols_in_block): Remove static
624         function.
625
626 2005-04-04  Kazu Hirata  <kazu@cs.umass.edu>
627
628         * config/fr30/fr30-protos.h: Remove the prototypes for
629         stack_add_operand, add_immediate_operand,
630         high_register_operand, low_register_operand, call_operand,
631         di_operand, and nonimmediate_di_operand.
632         * config/fr30/fr30.c (stack_add_operand,
633         add_immediate_operand, high_register_operand,
634         low_register_operand, call_operand, di_operand,
635         nonimmediate_di_operand): Move to predicates.md.
636         * config/fr30/fr30.h (PREDICATE_CODES): Remove.
637         * config/fr30/fr30.md: Include predicates.md.
638         * config/fr30/predicates.md: New.
639
640         * config/mcore/mcore.h (PREDICATE_CODES): Add SYMBOL_REF and
641         LABEL_REF to mcore_general_movsrc_operand.  Add SYMBOL_REF to
642         mcore_call_address_operand.
643
644         * config/sh/sh.h (PREDICATE_CODES): Add CONST to
645         general_movsrc_operand.
646
647 2005-04-04  Alan Modra  <amodra@bigpond.net.au>
648
649         * passes.c (rest_of_handle_final): NULL unlikely_text_section_name
650         after freeing.
651
652 2005-04-04  Richard Earnshaw  <richard.earnshaw@arm.com>
653
654         PR target/14812
655         * arm.c (arm_select_cc_mode): Return CC_Zmode when comparing against
656         a negated value.
657
658 2005-04-04  Richard Henderson  <rth@redhat.com>
659             Jakub Jelinek  <jakub@redhat.com>
660
661         PR rtl-optimization/16104
662         * fold-const.c (fold_unary): Fix folding of vector conversions.
663
664 2005-04-04  Richard Sandiford  <rsandifo@redhat.com>
665
666         * config.gcc (xstormy16-*-elf): Set extra_options.
667         * config/stormy16/stormy16.h (target_flags, TARGET_SWITCHES): Delete.
668         * config/stormy16/stormy16.opt: New file.
669
670 2005-04-04  Richard Sandiford  <rsandifo@redhat.com>
671
672         * config/pdp11/pdp11.h (target_flags, TARGET_SWITCHES, TARGET_DEFAULT)
673         (TARGET_FPU, TARGET_SOFT_FLOAT, TARGET_AC0, TARGET_NO_AC0, TARGET_45)
674         (TARGET_BCOPY_BUILTIN, TARGET_INT16, TARGET_INT32, TARGET_FLOAT32)
675         (TARGET_FLOAT64, TARGET_ABSHI_BUILTIN, TARGET_BRANCH_EXPENSIVE)
676         (TARGET_BRANCH_CHEAP, TARGET_SPLIT, TARGET_NOSPLIT)
677         (TARGET_UNIX_ASM): Delete.
678         (TARGET_40_PLUS): Redefine in terms of TARGET_40 and TARGET_45.
679         * config/pdp11/2bsd.h (TARGET_UNIX_ASM_DEFAULT): Use MASK_UNIX_ASM.
680         * config/pdp11/pdp11.c (pdp11_handle_option): New function.
681         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
682         * config/pdp11/pdp11.opt: New file.
683
684 2005-04-03  Roger Sayle  <roger@eyesopen.com>
685             Alexandre Oliva  <aoliva@redhat.com>
686
687         PR c++/19199
688         * fold-const.c (non_lvalue): Split tests into...
689         (maybe_lvalue_p): New function.
690         (fold_cond_expr_with_comparison): Preserve lvalue-ness for the
691         C++ front-end prior to lowering into gimple form.
692
693 2005-04-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
694
695         * builtins.def (BUILT_IN_STPNCPY, BUILT_IN_STRCASECMP,
696         BUILT_IN_STRNCASECMP): New.
697         * doc/extend.texi: Document stpncpy, strcasecmp, strncasecmp
698         and strndup.
699
700 2005-04-03  Richard Earnshaw  <richard.earnshaw@arm.com>
701
702         PR target/14812
703         * arm.md (addsi3_compare0_for_combiner): Delete.
704         (addsi3_compare0_scratch_for_combiner): Delete.
705         (cmpsi_neg_shiftsi): Delete.
706         (compare_negsi_si): New pattern.
707         (cmpsi_negshiftsi_si): New pattern.
708         (negated_cbranchsi4): Restrict to equality_operator.
709         
710         * arm.md (movhi_insn_arch4): delete trailing white space from assembler
711         template.
712
713 2005-04-03  Kazu Hirata  <kazu@cs.umass.edu>
714
715         * cfghooks.c, cfgrtl.c, modulo-sched.c, config/i386/winnt.c:
716         Fix comment typos.
717
718         * doc/install.texi: Fix a typo.
719
720 2005-04-03  Steven Bosscher  <stevenb@suse.de>
721
722         PR middle-end/20648
723         * bb-reorder.c (duplicate_computed_gotos): Do not unfactor
724         a computed goto if the edge to the computed goto block has
725         incoming abnormal edges.  Clarify how the function works.
726
727 2005-04-03  Nathan Sidwell  <nathan@codesourcery.com>
728
729         * params.c (set_param_value): Use gcc_assert & gcc_unreachable.
730         * passes.c (open_dump_file, rest_of_handle_final): Likewise.
731         * postreload-gcse.c (expr_equiv_p, oprs_unchanged_p,
732         hash_scan_set, reg_set_between_after_reload_p,
733         reg_used_between_after_reload_p, get_avail_load_store_reg,
734         eliminate_partially_redundant_load): Likewise.
735         * postreload.c (reload_cse_simplify_set,
736         reload_combine_note_use): Likewise.
737         * predict.c (predict_insn, expected_value_to_br_prob,
738         propagate_freq, expensive_function_p): Likewise.
739         * print-rtl.c (print_rtx): Likewise.
740         * profile.c (instrument_edges, instrument_values,
741         compute_branch_probabilities, branch_prob, union_groups,
742         tree_register_profile_hooks, rtl_register_profile_hooks): Likewise.
743         * protoize.c (in_system_include_dir, file_could_be_converted,
744         file_normally_convertible, gen_aux_info_file, seek_to_line,
745         do_cleaning): Likewise.
746         * tree-ssa-alias.c (collect_points_to_info_r): Likewise.
747         * tree-ssa-ccp.c (execute_fold_all_builtins): Likewise.
748         * tree-ssa-loop-ivopts.c (produce_memory_decl_rtl): Likewise.
749
750 2005-04-03 Mostafa Hagog <mustafa@il.ibm.com>
751
752         * cfg.c (clear_bb_flags): Don't clear BB_DISABLE_SCHEDULE.
753         * modulo-sched.c (undo_replace_buff_elem): New structure.
754         (kernel_number_of_cycles, ps_unschedule_node,
755         undo_generate_reg_moves,free_undo_replace_buff,
756         undo_permute_partial_schedule,  loop_single_full_bb_p,
757         SIMPLE_SMS_LOOP_P, loop_canon_p, canon_loop,
758         build_loops_structure, get_sched_window): New.
759         (generate_reg_moves): Return undo_replace_buff_elem and other
760         fixes.
761         (generate_prolog_epilog): Remove old loop versioning.
762         (sms_schedule): Use loop information and loop_version.
763         (sms_schedule_by_order): Split part of it to get_sched_window.
764         * passes.c (rest_of_handle_sms): call cfg_layout_initialize
765         cfg_layout_finalize and free_dominance_info before/after SMS.
766
767 2005-04-03 Mostafa Hagog <mustafa@il.ibm.com>
768
769         * cfghooks.c (lv_flush_pending_stmts,
770         cfg_hook_duplicate_loop_to_header_edge, extract_cond_bb_edges,
771         lv_adjust_loop_header_phi, lv_add_condition_to_bb): New.
772         * cfghooks.h (cfg_hook_duplicate_loop_to_header_edge,
773         lv_add_condition_to_bb,
774         lv_adjust_loop_header_phi, extract_cond_bb_edges,
775         flush_pending_stmts): New in cfg_hooks structure.
776         (cfg_hook_duplicate_loop_to_header_edge, lv_flush_pending_stmts,
777         extract_cond_bb_edges, lv_adjust_loop_header_phi,
778         lv_add_condition_to_bb): New declarations.
779         * cfgloop.h (duplicate_loop_to_header_edge): Change return type to
780         bool.
781         (loop_version): Declare.
782         * cfgloopmanip.c (cfghooks.h): Include.
783         (duplicate_loop_to_header_edge): Change return type to bool.
784         (loop_version, lv_adjust_loop_entry_edge): Move here.
785         * cfgrtl.c (cfgloop.h): Include.
786         (rtl_verify_flow_info_1): Fix.
787         (rtl_lv_add_condition_to_bb, rtl_extract_cond_bb_edges): New.
788         (rtl_cfg_hooks, cfg_layout_rtl_cfg_hook): Add hooks to
789         initialization.
790         * tree-cfg.c (tree_lv_adjust_loop_header_phi,
791         tree_lv_add_condition_to_bb): New.
792         (tree_cfg_hooks): Add new hooks to initialization.
793         * tree-ssa-loop-manip.c (lv_adjust_loop_header_phi,
794         lv_adjust_loop_entry_edge, tree_ssa_loop_version): Remove.
795
796 2005-04-03  Kazu Hirata  <kazu@cs.umass.edu>
797
798         * config/stormy16/stormy16.h (PREDICATE_CODES): Add SUBREG to
799         xstormy16_below100_or_register,
800         xstormy16_splittable_below100_or_register, and
801         nonimmediate_nonstack_operand.
802
803         * config/stormy16/stormy16-protos.h: Remove the prototypes for
804         xstormy16_ineqsi_operator, equality_operator,
805         inequality_operator, shift_operator,
806         xstormy16_below100_operand, xstormy16_below100_or_register,
807         xstormy16_splittable_below100_or_register,
808         xstormy16_onebit_set_operand, xstormy16_onebit_clr_operand.
809         * config/stormy16/stormy16.c (xstormy16_ineqsi_operator,
810         equality_operator, inequality_operator,
811         xstormy16_below100_operand, xstormy16_below100_or_register,
812         xstormy16_splittable_below100_or_register,
813         xstormy16_onebit_set_operand, xstormy16_onebit_clr_operand,
814         nonimmediate_nonstack_operand, shift_operator): Move to
815         predicates.md.
816         * config/stormy16/stormy16.h (PREDICATE_CODES): Remove.
817         * config/stormy16/stormy16.md: Include predicates.md.
818         * config/stormy16/predicates.md: New.
819
820 2005-04-02  Kazu Hirata  <kazu@cs.umass.edu>
821
822         * config/iq2000/iq2000.c (uns_arith_operand, arith_operand,
823         small_int, large_int, reg_or_0_operand, simple_memory_operand,
824         equality_op, cmp_op, pc_or_label_operand, call_insn_operand,
825         move_operand, power_of_2_operand): Move to predicates.md.
826         * config/iq2000/iq2000.h (SPECIAL_MODE_PREDICATES,
827         PREDICATE_CODE): Remove.
828         * config/iq2000/iq2000.md: Include predicates.md.
829         * config/iq2000/predicates.md: New.
830
831 2005-04-02  Richard Sandiford  <rsandifo@redhat.com>
832
833         * config/m68hc11/m68hc11.h (target_flags, MASK_SHORT)
834         (MASK_AUTO_INC_DEC, MASK_M6811, MASK_M6812, MASK_M68S12)
835         (MASK_NO_DIRECT_MODE, MASK_MIN_MAX, MASK_LONG_CALLS)
836         (TARGET_SHORT, TARGET_M6811, TARGET_M6812, TARGET_M68S12)
837         (TARGET_AUTO_INC_DEC, TARGET_MIN_MAX, TARGET_NO_DIRECT_MODE)
838         (TARGET_LONG_CALLS, TARGET_SWITCHES, TARGET_OPTIONS)
839         (SUBTARGET_SWITCHES, SUBTARGET_OPTIONS, m68hc11_regparm_string)
840         (m68hc11_reg_alloc_order, m68hc11_soft_reg_count)
841         (TARGET_M68HC11): Delete.
842         (TARGET_DEFAULT): Change the default setting from MASK_M6811 to 0.
843         * config/m68hc11/m68hc12.h (TARGET_M68HC12): Delete.
844         * config/m68hc11/m68hc11.c (m68hc11_regparm_string)
845         (m68hc11_reg_alloc_order, m68hc11_soft_reg_count)
846         (nb_soft_regs): Delete.
847         (TARGET_DEFAULT_TARGET_FLAGS): Override default with TARGET_DEFAULT.
848         (m68hc11_override_options): Remove the code that caters for MASK_M6811
849         and MASK_M6812 being set simultaneously.  Change the code that sets
850         the default m68hc11_soft_reg_count to use integers instead of strings.
851         (m68hc11_conditional_register_usage, hard_regno_mode_ok): Use
852         m68hc11_soft_reg_count (which now has an int type) as the number
853         of soft registers.
854         * config/m68hc11/m68hc11.opt: New file.
855
856 2005-04-02  Kazu Hirata  <kazu@cs.umass.edu>
857
858         * config/fr30/fr30.h (PREDICATE_CODES): Remove
859         fp_displacement_operand, sp_displacement_operand.
860
861         * config/m68hc11/m68hc11-protos.h: Add a prototype for
862         m68hcc_auto_inc_p.
863         Remove the prototypes for tst_operand, cmp_operand,
864         stack_register_operand, d_register_operand,
865         hard_addr_reg_operand, splitable_operand,
866         m68hc11_logical_operator, m68hc11_arith_operator,
867         m68hc11_non_shift_operator, m68hc11_shift_operator,
868         m68hc11_unary_operator, m68hc11_eq_compare_operator,
869         non_push_operand, hard_reg_operand, and
870         reg_or_some_mem_operand.
871         * config/m68hc11/m68hc11.c (m68hcc_auto_inc_p): Make it
872         extern.
873         (tst_operand, cmp_operand, non_push_operand,
874         splitable_operand, reg_or_some_mem_operand,
875         stack_register_operand, d_register_operand,
876         hard_addr_reg_operand, hard_reg_operand,
877         m68hc11_eq_compare_operator, m68hc11_logical_operator,
878         m68hc11_arith_operator, m68hc11_non_shift_operator,
879         m68hc11_shift_operator, m68hc11_unary_operator): Move to
880         predicates.md.
881         * config/m68hc11/m68hc11.h (PREDICATE_CODES): Remove.
882         * config/m68hc11/m68hc11.md: Include predicates.md.
883         * config/m68hc11/predicates.md: New.
884
885 2005-04-02  Alexandre Oliva  <aoliva@redhat.com>
886
887         PR debug/19345
888         * dwarf2out.c (add_abstract_origin_attribute): Revert accidental
889         change checked in along with 2005-03-03's patch for debug/20253.
890         * tree-inline.c (remap_type): Remap TYPE_STUB_DECL.
891         (remap_decl): Insert type decl in map earlier.
892
893 2005-04-02  Alexandre Oliva  <aoliva@redhat.com>
894
895         PR tree-optimization/20640
896         * tree-ssa-dce.c (remove_dead_stmt): Don't redirect edge to
897         post-dominator if it has phi nodes.
898         (eliminate_unnecessary_stmts): Remove dead phis in all blocks
899         before dead statements.
900
901 2005-04-02  Alexandre Oliva  <aoliva@redhat.com>
902
903         PR middle-end/20491
904         * final.c (alter_subreg): Don't call subreg_regno for a non-REG.
905
906 2005-04-02  Alexandre Oliva  <aoliva@redhat.com>
907
908         PR rtl-optimization/20290
909         * loop.c (for_each_insn_in_loop): Don't assume the loop body runs
910         in every iteration if the entry point is the exit test.
911
912 2005-04-02  Hans-Peter Nilsson  <hp@axis.com>
913
914         * config/cris/cris.md (attribute "length"): Define.
915
916 2005-04-02  Geoffrey Keating  <geoffk@apple.com>
917
918         * config/rs6000/predicates.md (indexed_or_indirect_operand): New.
919         (word_offset_memref_operand): New.
920         * config/rs6000/rs6000-protos.h (word_offset_memref_operand): Delete.
921         (indexed_or_indirect_operand): Delete.
922         * config/rs6000/rs6000.c (word_offset_memref_operand): Delete.
923         (indexed_or_indirect_operand): Delete.
924
925         * config/rs6000/t-darwin8: Comment out ppc64 multilib.
926
927         PR 20650
928         * config/rs6000/rs6000.md (fix_truncdfsi2): Make destination
929         a register.
930
931         * config/rs6000/t-darwin (TARGET_LIBGCC2_CFLAGS): Add -pipe.
932         * config/t-darwin (TARGET_LIBGCC2_CFLAGS): Likewise.
933
934 2005-04-01  Jan-Benedict Glaw  <jbglaw@lug-owl.de>
935
936         * gcc/config/vax/vax.md: Spellcheck, fix whitespace.
937
938 2005-04-01  Ian Lance Taylor  <ian@airs.com>
939
940         * gcc.c: Don't include <sys/resource.h> or declare getrusage.
941         (rus, prus): Remove static variables.
942         (execute): Use pex_run/pex_get_status rather than pexecute/pwait.
943         (process_command): Permit report_times and use_pipes together.
944
945 2005-04-01  Joseph S. Myers  <joseph@codesourcery.com>
946
947         * c-decl.c (validate_proto_after_old_defn): Look at
948         TYPE_MAIN_VARIANT of argument types.
949
950 2005-04-01  Paul Brook  <paul@codesourcery.com>
951
952         * config/arm/arm.c (thumb_call_via_label): Include space for SP.
953         (arm_output_function_epilogue): Allow call_via_SP.
954         (thumb_call_via_reg, arm_file_end): Ditto.
955         * config/arm/arm.h (struct machine_function): Include space for SP.
956         (thumb_call_via_label): Update declaration.
957
958 2005-04-01  Ian Lance Taylor  <ian@airs.com>
959
960         * final.c (final_scan_insn): Revert part of 2005-03-30 patch: when
961         doing a peephole optimization, once again put any notes in the
962         proper position.
963
964 2005-04-01  Kazu Hirata  <kazu@cs.umass.edu>
965
966         * bb-reorder.c, fold-const.c, varasm.c: Fix comment typos.
967
968 2005-04-01  Nathan Sidwell  <nathan@codesourcery.com>
969
970         * local-alloc.c (update_equiv_regs): Use gcc_assert, gcc_unreachable.
971         (block_alloc, find_free_reg): Likewise.
972         * loop-doloop.c (doloop_modify): Likewise.
973         * loop-invariant.c (record_use): Likewise.
974         * loop-iv.c (get_biv_step_1, get_biv_step, iv_analyze,
975         get_iv_value, canon_condition, eliminate_implied_condition,
976         eliminate_implied_condition, simplify_using_initial_values,
977         shorten_into_mode, canonicalize_iv_subregs,
978         iv_number_of_iterations): Likewise.
979         * loop-unroll.c (expand_var_during_unrolling): Likewise.
980         * loop-unswitch.c (compare_and_jump_seq, unswitch_single_loop,
981         unswitch_loop): Likewise.
982         * loop.c (INSN_LUID, loop_optimize, rtx_equal_for_loop_p,
983         move_movables, replace_call_address, find_and_verify_loops,
984         rtx_equal_for_prefetch_p, fold_rtx_mult_add, loop_iterations,
985         record_giv, final_giv_value, general_induction_var,
986         simplify_giv_expr, extension_within_bounds_p, try_copy_prop,
987         loop_giv_dump): Likewise.
988
989         * gcov-io.h (GCOV_CHECK, GCOV_CHECK_READING,
990         GCOV_CHECK_WRITING): Remove.
991         (gcov_position, gcov_rewrite): Use gcc_assert.
992         * gcov-io.c (gcov_open, gcov_write_words, gcov_write_length,
993         gcov_read_words, gcov_sync, gcov_seek): Use gcc_assert.
994         * libgcov.c (__gcov_merge_single, __gcov_merge_delta): Use
995         gcc_assert.
996
997 2005-04-01  Kazu Hirata  <kazu@cs.umass.edu>
998
999         * tree-inline.c: Fix a typo.
1000
1001 2005-04-01  Nathan Sidwell  <nathan@codesourcery.com>
1002
1003         * configure.ac (enable-checking): Explicitly set all variables for
1004         collective switch values.  Alphabetize variables. Rename
1005         ac_checking_valgrind to ac_valgrind_checking.  Allow 'none' as
1006         synonym for 'no'.
1007         * doc/install.texi (enable-checking): Update documentation.
1008         * configure: Rebuilt.
1009
1010 2005-04-01  Kazu Hirata  <kazu@cs.umass.edu>
1011
1012         * tree-inline.c (copy_body_r): Use CONSTANT_CLASS_P where
1013         possible.
1014
1015 2005-04-01  Richard Earnshaw  <richard.earnshaw@arm.com>
1016
1017         * arm.c (adjacent_mem_locations): Reject volatile memory refs.
1018         Also reject cases where this pattern will cause load delay stalls
1019         unless optimizing for size and it will produce a shorter sequence.
1020         * arm.md (arith_adjacent_mem): Make better use of ldm addressing
1021         variants to avoid pre-adjusting the base when possible.
1022
1023 2005-04-01  Richard Earnshaw  <richard.earnshaw@arm.com>
1024
1025         * arm.md (minmax_arithsi): Reject all eliminable registers, not just
1026         the frame and argument pointers.
1027         (strqi_preinc, strqi_predec, loadqi_preinc, loadqi_predec): Likewise.
1028         (loadqisi_preinc, loadqisi_predec, strsi_preinc): Likewise.
1029         (strsi_predec, loadsi_preinc, loadsi_predec): Likewise.
1030         (strqi_shiftpreinc, strqi_shiftpredec, loadqi_shiftpreinc): Likewise.
1031         (loadqi_shiftpredec, strsi_shiftpreinc, strsi_shiftpredec): Likewise.
1032         (loadsi_shiftpreinc, loadsi_shiftpredec): Likewise.
1033
1034 2005-04-01  Danny Smith  <dannysmith@users.sourceforge.net>
1035
1036         * config/i386/cygming.h (SUBTARGET_ATTRIBUTE_TABLE): Define,
1037         with entry for selectany attribute.
1038         * config/i386/i386-protos.h (ix86_handle_selectany_attribute):
1039         Declare.
1040         * config/i386/winnt.c (ix86_handle_selectany_attribute): Define.
1041         (i386_pe_asm_named_section): Handle sections generated by
1042         selectany attribute.
1043         * doc/extend.texi (selectany): Document attribute.
1044
1045 2005-04-01  Paolo Bonzini  <bonzini@gnu.org>
1046             Jan Hubicka  <jh@suse.cz>
1047
1048         * config/i386/i386.c (ix86_decompose_address): Look inside SUBREGs
1049         to fix addresses involving EBP and ESP.
1050         (aligned_operand, legitimate_address_p, ix86_address_cost): Be prepared
1051         for SUBREGed registers.
1052         (legitimate_address_p): Accept SUBREGed registers.
1053
1054 2005-04-01  Jakub Jelinek  <jakub@redhat.com>
1055
1056         PR c++/19406
1057         * dwarf2out.c (gen_type_die_for_member): Handle FIELD_DECL.
1058         (dwarf2out_imported_module_or_decl): Use gen_type_die_for_member
1059         for FIELD_DECLs.
1060
1061 2005-04-01  Kazu Hirata  <kazu@cs.umass.edu>
1062
1063         * doc/contrib.texi, doc/invoke.texi, doc/tm.texi: Fix typos.
1064
1065 2005-04-01  James E Wilson  <wilson@specifixinc.com>
1066
1067         PR c++/20505
1068         * dwarf2out.c (rtl_for_decl_init): New function.
1069         (rtl_for_decl_location): Extracted from here.
1070         (tree_add_const_value_attribute): Call rtl_for_decl_init and
1071         add_const_value_attribute.  Delete initializer_constant_valid_p call.
1072
1073 2005-04-01  Kazu Hirata  <kazu@cs.umass.edu>
1074
1075         * cgraphunit.c, dbxout.c, flow.c, gcse.c, gimplify.c,
1076         lambda-code.c, loop.c, machmode.def, mips-tfile.c,
1077         modulo-sched.c, passes.c, postreload-gcse.c, tree-eh.c,
1078         tree-ssa-ccp.c, varasm.c, config/frv/frv.c, config/frv/frv.h,
1079         config/frv/frv.md, config/i386/i386.c, config/i386/i386.h,
1080         config/i386/i386.md, config/rs6000/predicates.md,
1081         config/rs6000/rs6000.c, config/s390/fixdfdi.h,
1082         config/s390/s390.c, config/stormy16/stormy16.c,
1083         config/stormy16/stormy16.md, config/vax/vax.md: Fix comment
1084         typos.
1085
1086 2005-04-01  Joseph S. Myers  <joseph@codesourcery.com>
1087
1088         PR c/17855
1089         * gimplify.c (gimplify_expr): Create a temporary for lvalue
1090         COND_EXPR and CALL_EXPR.
1091
1092 2005-03-31  Vladimir Makarov  <vmakarov@redhat.com>
1093
1094         PR target/20632
1095         * genautomata.c (first_cycle_unit_presence): Check all alternative
1096         states for unit presence.
1097
1098         * doc/md.texi: Remove remark about impossibility to query unit
1099         presence in non nondeterministic automaton state.
1100         
1101         * config/ia64/ia64.c (get_template): Change order of unit querying.
1102
1103 2005-03-31  Kazu Hirata  <kazu@cs.umass.edu>
1104
1105         * tree-ssa-dom.c (cprop_into_successor_phis): Remove an
1106         obsolete comment.
1107
1108 2005-03-31  Zdenek Dvorak  <dvorakz@suse.cz>
1109
1110         * cfgloopanal.c (mark_loop_exit_edges): Clean EDGE_LOOP_EXIT
1111         flag for edges outside any loops.
1112
1113 2005-03-31  Janis Johnson  <janis187@us.ibm.com>
1114
1115         * doc/sourcebuild.texi (Test Directives): Describe cleanup-* procs.
1116
1117 2005-03-31  Kazu Hirata  <kazu@cs.umass.edu>
1118
1119         * tree-ssa-alias.c: Follow spelling conventions.
1120         * doc/tree-ssa.texi: Fix a typo.
1121
1122 2005-03-31  J"orn Rennecke <joern.rennecke@st.com>
1123
1124         * postreload-gcse.c: Include target.h.
1125         (gcse_after_reload_main): Return early if we cannot modify jumps.
1126         * Makefile.in (postreload-gcse.o): Depend on $(TARGET_H).
1127
1128 2005-03-31  David Edelsohn  <edelsohn@gnu.org>
1129
1130         * tree-ssa-loop-im.c (stmt_cost): Add RDIV_EXPR to list of
1131         expensive operations.
1132
1133 2005-03-31  Ian Lance Taylor  <ian@airs.com>
1134
1135         * collect2.c (lderrout): New variable.
1136         (collect_exit): Dump ldout to stdout.  Dump and unlink lderrout,
1137         if it is set, to stderr.
1138         (handler): Unlink lderrout if it is set.
1139         (dump_file): Add "to" parameter.  Change all callers.
1140         (main): Initialize lderrout.
1141         (collect_execute): Add errname parameter.  Change all callers.
1142         Rename redir parameter to outname.  Never pass
1143         PEX_STDERR_TO_STDOUT to pex_run.
1144         * collect2.h (collect_execute, dump_file): Update declarations.
1145         * tlink.c (tlink_execute): Add errname parameter.  Change all
1146         callers.
1147         (do_tlink): Check lderrout as well as ldout.
1148
1149 2005-03-31  Caroline Tice  <ctice@apple.com>
1150
1151         * Makefile.in (varasm.o): Add basic-block.h to list of requirements.
1152         (bb-reorder.o): Add errors.h to list of requirements.
1153         (STAGEFEEDBACK_FLAGS_TO_PASS): Add -freorder-blocks-and-partition to
1154         profiledbootstrap flags.
1155         * bb-reorder.c (errors.h): Add new include.
1156         (struct bbro_basic_block_data_def): Add new field, in_trace.
1157         (add_unlikely_executed_notes):  Remove function.
1158         (mark_bb_for_unlikely_executed_section): Remove function.
1159         (insert_section_boundary_note): New function.
1160         (verify_hot_cold_block_grouping): New function.
1161         (push_to_next_round_p): Remove variables and tests that push all
1162         cold blocks to last round.
1163         (find_traces): Remove code that added extra round of trace finding
1164         when doing partitioning.
1165         (find_traces_1_round) :  Remove variable last_round;  add code to 
1166         update new struct field, in_trace; correct trace_length where it was 
1167         incorrect before (after call to copy_bb); change code that pushed all 
1168         cold blocks to last round. Instead verify that all blocks going into 
1169         a trace belong in the same partition.
1170         (connect_traces): Modify to connect the traces in two passes, if the
1171         function contains both hot and cold blocks.  The first pass connects 
1172         all the traces for blocks in the partition that the first block in 
1173         the function belongs to; the second pass connnects all the traces 
1174         containing blocks that belong in the other partition.
1175         (find_rarely_executed_basic_blocks_and_crossing_edges):  Remove
1176         code that automatically put the first block in a function into the
1177         hot partition if the function had any hot blocks.
1178         (fix_crossing_unconditional_branches): Check number of succ edges 
1179         before attempting to get one.
1180         (fix_edges_for_rarely_executed_code):  Update comment describing
1181         function.
1182         (reorder_basic_blocks):  Add code to initialize new field (in_trace);
1183         remove call to add_unlikely_executed_notes; add call to 
1184         verify_hot_cold_block_grouping.
1185         (duplicate_computed_gotos): Don't change computed goto if it's a 
1186         crossing edge.
1187         (partition_hot_cold_basic_blocks):  Update function comment.
1188         * cfgcleanup.c (try_simplify_condjump): Remove redundacy from 
1189         condition.
1190         (try_forward_edges): Likewise.
1191         (merge_blocks_move_predecessor_nojumps): Likewise.
1192         (merge_blocks_move_successor_nojumps): Likewise.
1193         (merge_blocks_move): Likewise.
1194         (try_crossjump_bb): Likewise.
1195         * cfglayout.c (update_unlikely_executed_notes): Remove function.
1196         (fixup_reorder_chain): Remove code for adding UNLIKELY_EXECUTED_CODE
1197         notes to cold bb's; remove call to update_unlikely_executed_notes.
1198         (duplicate_insn_chain):  change NOTE_INSN_UNLIKELY_EXECUTED_CODE to
1199         NOTE_INSN_SWITCH_TEXT_SECTIONS.
1200         * cfglayout.h (scan_ahead_for_unlikely_executed_note): Remove
1201         function declaration.
1202         * cfgrtl.c (can_delete_note_p): Remove UNLIKELY_EXECUTED_CODE note
1203         from consideration.
1204         (rtl_can_merge_blocks): Remove redundancy from condition.
1205         (try_redirect_by_replacing_jump): Likewise.
1206         (force_nonfallthru_and_redirect): Remove code for adding
1207         UNLIKELY_EXECUTED_CODE notes to cold bb's.
1208         (commit_one_edge_insertion): Likewise.
1209         (cfg_layout_can_merge_blocks_p): Remove redundancy from condition.
1210         * dbxout.c (FORCE_TEXT): Replace function_section with 
1211         current_function_section.
1212         (struct dbx_debug_h): Add do_nothing function for new debug_hooks
1213         function, switch_text_section.
1214         (struct xcoff_debug): Likewise.
1215         (dbxout_function_end): Add code to put out label diffs for both
1216         hot and cold sections.
1217         * debug.c (struct do_nothing_debug_hooks): Add do_nothing function
1218         for new debug_hooks funciton, switch_text_section..
1219         * debug.h (struct gcc_debug_hooks):  Add new function to debug_hooks,
1220         switch_text_section.
1221         * dwarf2out.c (struct dw_fde_struct):  Add five new fields: 
1222         dw_fde_hot_section_label, dw_fde_hot_section_end_label, 
1223         dw_fde_unlikely_section_label, dw_fde_unlikely_section_end_label and 
1224         dw_fde_switched_sections.
1225         (output_call_frame_info):  Add test to see if function switches text
1226         sections in the middle; if so, use appropriate extra hot and cold 
1227         section labels to compute size deltas for the hot and cold sections.
1228         (dwarf2out_begin_prologue): Add code to initialize new fields in 
1229         dw_fde_struct.
1230         (dwarf2out_switch_text_section): New function (invoked through 
1231         debug_hook); updates new fields in dw_fde_struct appropriately and
1232         increments separate_line_info_table_in_use.
1233         (dwarf2_debug_hooks): Initialize switch_text_section function to be
1234         dwarf2out_switch_text_section.
1235         (struct var_loc_node): Add new field, section_label.
1236         (output_aranges): Add code to check whether in hot or cold section and
1237         use the appropriate label in calculating deltas.
1238         (output_ranges): Likewise.
1239         (output_line_info): Add code to check which section we're in and
1240         use appropriate hot/cold label.
1241         (add_location_or_constant_value_attribute): Likewise.
1242         (gen_subprogam_die): Modify arange attributes to use correct labels.
1243         (dwarf2out_begin_block): Change call to function_section into call to
1244         current_function_section.
1245         (dwarf2out_end_block): Likewise.
1246         (dwarf2out_source_line): Likewise.
1247         (dwarf2out_var_location): Add code to check whether in hot or cold 
1248         section and use the appropriate label.
1249         * except.c (output_function_exception_table): Change call to 
1250         function_section into call to current_function_section.
1251         * final.c (profile_function): Likewise.
1252         (scan_ahead_for_unlikely_executed_note): Remove function.
1253         (final_scan_insn):  Remove calls to 
1254         scan_ahead_for_unlikely_executed_note, and related code for switching 
1255         to cold section, except for the single time 
1256         NOTE_INSN_SWITCH_TEXT_SECTIONS may be encountered;  add calls to 
1257         debug_hooks->switch_text_sections; replace appropriate calls to 
1258         function_section with calls to current_function_section.
1259         * ifcvt.c (find_if_case_1): Remove redundancy from condition, add 
1260         test_bb to condition.
1261         (find_if_case_2): Likewise.
1262         * insn-notes.def: Change NOTE_INSN_UNLIKELY_EXECUTED_CODE to
1263         NOTE_INSN_SWITCH_TEXT_SECTIONS.  Update comment appropriately.
1264         * opts.c (decode_options): Change warning about hot/cold partitioning
1265         with exceptionss to inform (so as not to cause bootstrap failures);
1266         remove warning about partitioning with DWARF debug info.
1267         * output.h (current_function_section): Add new function decl.
1268         (insert_section_boundary_note): Likewise.
1269         (enum in_section): Move this declaration here from varasm.c.
1270         (unlikely_section_label): Likewise.
1271         (unlikely_text_section_name): Likewise.
1272         (last_text_section_name): New global variable.
1273         (last_text_section): Likewise.
1274         (hot_section_label): Likewise.
1275         (hot_section_end_label): Likewise.
1276         (cold_section_end_label): Likewise.
1277         * passes.c (rest_of_handle_final): Free unlikely_text_section_name.
1278         * print-rtl.c (print_rtx): Change NOTE_INSN_UNLIKELY_EXECUTED_CODE
1279         to NOTE_INSN_SWITCH_TEXT_SECTIONS.
1280         * reg-stack.c (emit_swap_insn): Remove UNLIKELY_EXECUTED_CODE note 
1281         insn from consideration.
1282         * sdbout.c (sdb_debug_hooks): Add do_nothing for new function, 
1283         switch_text_section.
1284         * varasm.c (basic-block.h): Add new include.
1285         (unlikely_section_label_printed): Remove global variable.
1286         (unlikely_section_label): Make global variable not be static any more.
1287         (unlikely_text_section_name): Likewise.
1288         (hot_section_end_label): New global variable (not static)
1289         (first_function_block_is_cold): Likewise.
1290         (hot_section_label): Likewise.
1291         (cold_section_end_label): Likewise..
1292         (last_text_section): New global variable, not static.
1293         (last_text_section_name): New global variable, not static.
1294         (initialize_cold_section_name): New function.
1295         (enum in_section): Move declaration to output.h.
1296         (text_section): Update last_text_section.
1297         (unlikely_text_section): Replace code to determine cold section name 
1298         with call to initialize_cold_section_name; Add code to update 
1299         last_text_section; remove code for printing out label.
1300         (named_section_real): Add code to update last_text_section and 
1301         last_text_section_name as appropriate.
1302         (function_section): Change test for 'unlikely' to depend on
1303         first_function_block_is_cold (moved old test to 
1304         current_function_section).
1305         (current_function_section): New function.
1306         (assemble_start_function): Move code that frees 
1307         unlikely_text_section_name; initialize hot_section_end_label; 
1308         print hot and cold section labels at the start of the function; 
1309         set first_function_block_is_cold, if appropriate; initialize l
1310         ast_text_section; add call to insert_section_boundary_note.
1311         (assemble_end_function):  Add code to write out hot and cold section
1312         end labels.
1313         *vmsdbgout.c (vmsdbg_debug_hooks): Add do_nothing for new function,
1314         switch_text_section.
1315         * config/darwin.c (machopic_select_section): Replace incorrect 
1316         function in base_funs; update reloc for cold sections if necessary.
1317         * config/darwin.h (SECTION_FUNCTION):  Add code to update 
1318         last_text_section if appropriate.
1319         (text_unlikely_section): Remove.
1320         * config/sparc/sparc.c (sparc_output_deferred_case_vectors): Likewise.
1321         * config/stormy16/stormy16.c (stormy_16_output_addr_vec): Likewise.
1322         * config/xtensa/xtensa.c (override_options): Turn off hot/cold
1323         partitioning for this architecture.
1324
1325 2005-03-31  Olivier Hainque  <hainque@adacore.com>
1326
1327         * dwarf2out.c (dwarf2out_frame_finish): Honor DWARF2_FRAME_INFO
1328         defined and non-zero.
1329
1330 2005-03-31  Gabriel Dos Reis  <gdr@integrable-solutions.net>
1331
1332         PR c++/18644
1333         * doc/invoke.texi (-Wsynth): Don't document, as it now is void of
1334         semantics. 
1335
1336 2005-03-31  Alan Modra  <amodra@bigpond.net.au>
1337
1338         PR target/20611
1339         * config/rs6000/rs6000.md (load_toc_v4_PIC_1b): Remove inline
1340         label operand.  Remove (use (unspec..)).  Don't emit a label on
1341         the offset word.
1342         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Don't
1343         generate inline label for load_toc_v4_PIC_1b.
1344         (rs6000_emit_load_toc_table): Likewise.
1345
1346 2005-03-31  Kazu Hirata  <kazu@cs.umass.edu>
1347
1348         * config.gcc: Obsolete i860-*-sysv4*, ip2k-*-elf,
1349         ns32k-*-netbsdelf*, and ns32k-*-netbsd*.
1350
1351 2005-03-29  Devang Patel  <dpatel@apple.com>
1352
1353         * tree-sra.c (decide_block_copy): Disable scalarization of
1354         sub-elements.
1355         
1356 2005-03-30  Stuart Hastings  <stuart@apple.com>
1357             Dale Johannesen  <dalej@apple.com>
1358
1359         * Makefile.in (print-tree.o):  Depend on tree-iterator.h.
1360         * print-tree.c (print_node):  Add case STATEMENT_LIST.
1361
1362 2005-03-31  Alan Modra  <amodra@bigpond.net.au>
1363
1364         * config.gcc (cpu_is_64bit): Set for 64-bit powerpc cpus.
1365         (powerpc64-*-linux*): Use it.  Rearrange tm_file assignment.
1366         (powerpc-*-linux*): Build a biarch compiler when --enable-targets
1367         is given with "powerpc64*" or "all", or when --with-cpu chooses
1368         a 64-bit cpu.
1369
1370 2005-03-30  James E. Wilson  <wilson@specifixinc.com>
1371
1372         PR debug/20268
1373         * dwarf2out.c (add_high_low_attributes): New function, extracted from
1374         gen_lexical_block_die.
1375         (gen_lexical_block_die, gen_inlined_subroutine_die): Call it.
1376
1377 2005-03-31  Jan Hubicka  <jh@suse.cz>
1378
1379         2004-11-02  Jan Hubicka  <jh@suse.cz>
1380
1381         * cgraph.c (cgraph_varpool_node_name): New function.
1382         (dump_cgraph_varpool_node): New function.
1383         (dump_varpool): New function.
1384         * cgraphunit.c (cgraph_optimize): Dump varpool.
1385
1386         2004-10-16  Jan Hubicka  <jh@suse.cz>
1387
1388         * cgraph.c (decide_is_variable_needed): New function.
1389         (cgraph_varpool_finalize_decl): Use it.
1390         * cgraphunit.c (cgraph_optimize): Assemble_pending_decls when not doing
1391         unit-at-a-time.
1392         * final.c (output_addr_const): Do not call mark_referenced.
1393         * passes.c (rest_of_decl_compilation): ifdef out DECL_RTL_SET_P hack;
1394         always go via cgraph.
1395         * toplev.c (wrapup_global_declarations): Kill non-unit-at-a-time code.
1396         (check_global_declarations): Ifdef out code clearing DECL_RTL.
1397         * tree-optimize.c (execute_inline): Mark functions called.
1398         * i386.c (output_pic_addr_const): Do not call mark_decl_referenced.
1399
1400         2004-10-11  Jan Hubicka  <jh@suse.cz>
1401
1402         * cgraph.c (cgraph_varpool_first_unanalyzed_node): New global voriable
1403         (cgraph_varpool_last_needed_node): New static variable.
1404         (enqueue_needed_varpool_node): Break out from ...; add items to the
1405         end of queue; update first pointers.
1406         (cgraph_varpool_mark_needed_node): ... here.
1407         (cgraph_varpool_finalize_decl): Use enqueue_needed_varpool_node.
1408         (cgraph_varpool_assemble_pending_decls): Move to cgraphunit.c
1409         * cgraph.h (cgraph_varpool_node): Add analyzed field.
1410         (cgraph_varpool_first_unanalyzed_node): Declare.
1411         * cgraphunit.c: Include output.h.
1412         (cgraph_varpool_analyze_pending_decls): New function.
1413         (cgraph_varpool_assemble_pending_decls): Move from cgraph.c; bail out
1414         for errors, analyze pending decls.
1415         (cgraph_finalize_compilation_unit): Only analyze decls.
1416         (cgraph_optimize): Assemble the decls after expanding.
1417
1418 2005-03-30  Daniel Berlin  <dberlin@dberlin.org>
1419
1420         * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Make sure
1421         subvars get marked properly in tags for grouping.
1422         (add_pointed_to_var): Mark only actual pointed to
1423         variables/subvars in addresses needed.
1424         (create_overlap_variables_for): Clear call clobbered on original
1425         variable.
1426         * tree-ssa-operands.c (get_asm_expr_operands): Don't let regular
1427         addresable vars with subvars into list.
1428         * tree-ssa.c (verify_ssa_name): Verify original is not used where
1429         subvar should be.
1430
1431 2005-03-30  Richard Henderson  <rth@redhat.com>
1432
1433         * cgraph.h (struct cgraph_node): Add alias.
1434         * varasm.c (assemble_alias): Set it.
1435         * cgraphunit.c (cgraph_assemble_pending_functions): Check it and
1436         avoid calling cgraph_expand_function.
1437
1438 2005-03-30  Tom Tromey  <tromey@redhat.com>
1439
1440         * tree.def (FILE_TYPE): Removed.
1441         * typeclass.h (enum type_class): Removed file_type_class.
1442         * dwarf2out.c (is_base_type): Updated.
1443         (gen_type_die): Likewise.
1444         * dbxout.c (dbxout_type): Updated.
1445         * builtins.c (type_to_class): Updated.
1446         * tree.c (type_contains_placeholder_1): Updated.
1447         * config/sparc/sparc.c (sparc_type_code): Updated.
1448         * config/ia64/ia64.c (hfa_element_mode): Updated.
1449         * expr.c (count_type_elements): Updated.
1450         * stor-layout.c (layout_type): Updated.
1451         * tree-inline.c (remap_type): Updated.
1452         * tree-pretty-print.c (dump_generic_node): Updated.
1453
1454 2005-03-30 Fariborz Jahanian <fjahanian@apple.com>
1455
1456         * builtins.c (expand_builtin_powi): Fix mode of
1457         2nd argument to match int.
1458         * libgcc2.h (__powisf2, __powidf2, __powixf2, __powitf2): Change
1459         2nd argument type to int.
1460         * libgcc2.c: Change prototype of __powi* functions to use
1461         int.
1462
1463 2005-03-30  Dale Johannesen  <dalej@apple.com>
1464
1465         PR middle-end/19225
1466         * calls.c (expand_call):  Flush pending deferrals before
1467         throwing call.
1468
1469 2005-03-30  Joseph S. Myers  <joseph@codesourcery.com>
1470
1471         PR c/772
1472         PR c/17913
1473         * c-tree.h (C_DECL_UNJUMPABLE_STMT_EXPR,
1474         C_DECL_UNDEFINABLE_STMT_EXPR, struct c_label_list, struct
1475         c_label_context, label_context_stack): New.
1476         * c-decl.c (define_label): Check for jumps into statement
1477         expressions.  Add label to list of defined labels.
1478         (start_function): Push context on label_context_stack.
1479         (finish_function): Pop context from label_context_stack.
1480         * c-typeck.c (label_context_stack): New.
1481         (c_finish_goto_label): Check for jumps into statement
1482         expressions.  Add label to list of jumped to labels.
1483         (struct c_switch): Add blocked_stmt_expr.
1484         (c_start_case): Initialize it.
1485         (do_case): Check it.
1486         (c_finish_case): Verify !blocked_stmt_expr.
1487         (c_begin_stmt_expr):  Push context on label_context_stack.
1488         Increment blocked_stmt_expr.  Mark labels jumped to from outside
1489         as undefinable.
1490         (c_finish_stmt_expr): December blocked_stmt_expr.  Mark labels
1491         defined in the statement expression and no longer jumpable to.
1492         Mark labels jumped to from just outside the statement expression
1493         as again definable.  Pop context from label_context_stack.
1494         * doc/extend.texi (Statement Exprs): Update.
1495
1496 2005-03-30  Joseph S. Myers  <joseph@codesourcery.com>
1497
1498         PR c/20368
1499         * c-decl.c (start_function): Check for old_decl being
1500         error_mark_node.
1501
1502 2005-03-30  Ian Lance Taylor  <ian@airs.com>
1503
1504         * final.c (final): Remove prescan parameter.  Change all callers.
1505         (final_scan_insn): Remove prescan parameter.  Change all callers.
1506
1507 2005-03-30  Kazu Hirata  <kazu@cs.umass.edu>
1508
1509         * tree-vectorizer.c: Fix comment typos.
1510
1511 2005-03-30  Sebastian Pop  <pop@cri.ensmp.fr>
1512
1513         * tree-scalar-evolution.c (instantiate_parameters_1): Return
1514         as soon as a chrec_dont_know is detected.
1515
1516 2005-03-31  Danny Smith  <dannysmith@users.sourceforge.net>
1517
1518         Merge from csl-arm-branch.
1519         2004-02-12  Mark Mitchell  <mark@codesourcery.com>
1520
1521         * tlink.c (recompile_files): Do not assume that "rename" can
1522         overwrite an existing file.
1523
1524 2005-03-31  Paolo Bonzini  <bonzini@gnu.org>
1525
1526         * gcc/configure.ac (TL_AC_GNU_MAKE_GCC_LIB_PATH): Remove.
1527         * gcc/configure: Regenerate.
1528
1529 2005-03-30  Alan Modra  <amodra@bigpond.net.au>
1530
1531         * doc/install.texi: Update binutils requirement for powerpc*-linux.
1532
1533         * config/rs6000/rs6000.c (rs6000_arg_partial_bytes): Update comments.
1534
1535         * calls.c (struct arg_data): Update "partial" comment.
1536         (load_register_parameters): Update "nregs" comment.
1537
1538 2005-03-30  Richard Sandiford  <rsandifo@redhat.com>
1539
1540         * config/iq2000/iq2000.h (target_flags, MASK_GPOPT, MASK_EMBEDDED_DATA)
1541         (MASK_UNINIT_CONST_IN_RODATA, TARGET_EMBEDDED_DATA, TARGET_SWITCHES)
1542         (TARGET_DEFAULT, TARGET_CPU_DEFAULT, SUBTARGET_TARGET_OPTIONS)
1543         (TARGET_OPTIONS, iq2000_cpu_string, iq2000_arch_string): Delete.
1544         (TARGET_DEBUG_MODE, TARGET_DEBUG_A_MODE, TARGET_DEBUG_B_MODE)
1545         (TARGET_DEBUG_C_MODE, TARGET_DEBUG_D_MODE): Define to 0 rather
1546         than target_flags & 0.
1547         * config/iq2000/iq2000.c (iq2000_cpu_string, iq2000_arch_string)
1548         (iq2000_arch, iq2000_parse_cpu): Delete.
1549         (TARGET_HANDLE_OPTION): Override default.
1550         (iq2000_handle_option): New function.
1551         (override_options): Remove -march= and -mcpu= handling.
1552         * config/iq2000/iq2000.opt: New file.
1553
1554 2005-03-30  Richard Sandiford  <rsandifo@redhat.com>
1555
1556         * config/c4x/c4x-protos.h (c4x_rpts_cycles, c4x_cpu_version): Delete.
1557         * config/c4x/c4x.h (SMALL_MEMORY_FLAG, MPYI_FLAG, FAST_FIX_FLAG)
1558         (RPTS_FLAG, C3X_FLAG, TI_FLAG, PARANOID_FLAG, MEMPARM_FLAG, DEVEL_FLAG)
1559         (RPTB_FLAG, BK_FLAG, DB_FLAG, DEBUG_FLAG, HOIST_FLAG)
1560         (LOOP_UNSIGNED_FLAG, FORCE_FLAG, PRESERVE_FLOAT_FLAG)
1561         (PARALLEL_INSN_FLAG, PARALLEL_MPY_FLAG, ALIASES_FLAG, C30_FLAG)
1562         (C31_FLAG, C32_FLAG, C33_FLAG, C40_FLAG, C44_FLAG, TARGET_SWITCHES)
1563         (TARGET_DEFAULT, TARGET_SMALL, TARGET_MPYI, TARGET_FAST_FIX)
1564         (TARGET_RPTS, TARGET_TI, TARGET_PARANOID, TARGET_MEMPARM, TARGET_DEVEL)
1565         (TARGET_RPTB, TARGET_BK, TARGET_DB, TARGET_DEBUG, TARGET_HOIST)
1566         (TARGET_LOOP_UNSIGNED, TARGET_FORCE, TARGET_PRESERVE_FLOAT)
1567         (TARGET_PARALLEL, TARGET_PARALLEL_MPY, TARGET_ALIASES)
1568         (c4x_rpts_cycles_string, c4x_cpu_version_string)
1569         (TARGET_OPTIONS): Delete.
1570         (c4x_rpts_cycles, c4x_cpu_version): Declare.
1571         (TARGET_C3X, TARGET_C30, TARGET_C31, TARGET_C32, TARGET_C33)
1572         (TARGET_C40, TARGET_C44): Redefine in terms of c4x_cpu_version.
1573         * config/c4x/c4x.c (c4x_rpts_cycles_string): Delete.
1574         (c4x_cpu_version_string): Delete.
1575         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
1576         (c4x_handle_option): New function.  Map -m3x and -m4x options to the
1577         equivalent -mcpu= option.
1578         (c4x_override_options): Remove -mrpts= and -mcpu= handling from here.
1579         Deal with the extra conditions in the old TARGET_MPYI, TARGET_RPTB,
1580         TARGET_DB, TARGET_PARALLEL and TARGET_PARALLEL_MPY macros by setting
1581         or clearing the appropriate MASK_* bit.
1582         (c4x_file_start): Use c4x_cpu_version.
1583         * config/c4x/c4x.opt: New file.
1584
1585 2005-03-30  Richard Sandiford  <rsandifo@redhat.com>
1586
1587         * doc/options.texi: Document the new MaskExists flag.
1588         * opth-gen.awk: Don't output MASK and TARGET macros for Mask(...)
1589         if the option has the MaskExists flag.
1590
1591 2005-03-30  Richard Sandiford  <rsandifo@redhat.com>
1592
1593         * opt-functions.awk (flag_set_p, test_flag): New functions.
1594         (switch_flags): Use them.
1595         * opth-gen.awk: Use flag_set_p to check for flags.
1596         * optc-gen.awk: Likewise.  Use opt_args to check for Init(...) flags.
1597
1598 2005-03-30  Ian Lance Taylor  <ian@airs.com>
1599
1600         * config.host (i[34567]86-*-mingw32*): Don't set
1601         host_can_use_collect2 to no.
1602
1603 2005-03-30  Alan Modra  <amodra@bigpond.net.au>
1604
1605         PR target/20203
1606         * builtins.c (get_memory_rtx): Expand address exp using EXPAND_NORMAL.
1607         Remove convert_memory_address call duplicating that in memory_address.
1608
1609 2005-03-29  Richard Henderson  <rth@redhat.com>
1610
1611         PR c/20519
1612         * c-decl.c (c_finish_incomplete_decl): Update complete_array_type call.
1613         (build_compound_literal): Likewise.  Propagate decl type into the
1614         initializer.
1615         (finish_decl): Likewise.  Use new return value from complete_array_type
1616         for zero sized arrays.
1617         (complete_array_type): Move ...
1618         * c-common.c (complete_array_type): ... here.  Change first argument
1619         to pointer-to-type-node.  Consistently use sizetype for the index
1620         except for zero sized arrays.  Detect zero sized arrays for pedantic
1621         mode diagnostics.  Create a new type node instead of modifying the
1622         old node in place.
1623         * c-tree.h (complete_array_type): Move decl ...
1624         * c-common.h (complete_array_type): ... here.
1625
1626 2005-03-29  Richard Henderson  <rth@redhat.com>
1627
1628         PR tree-opt/19108
1629         * tree-sra.c (generate_element_init_1): Handle RANGE_EXPR.
1630
1631 2005-03-29  Kazu Hirata  <kazu@cs.umass.edu>
1632
1633         * builtin-types.def, c-convert.c, c-format.c, ddg.c, debug.c,
1634         debug.h, et-forest.c, et-forest.h, gcov.c, rtl-profile.c,
1635         rtlhooks-def.h, rtlhooks.c, sdbout.c, tree-inline.h,
1636         tree-profile.c, tsystem.h, value-prof.h: Update copyright.
1637
1638 2005-03-29  Eric Christopher  <echristo@redhat.com>
1639
1640         * config/mips/mips.c (mips_gimplify_va_arg_expr): Update for
1641         truthvalue conversion removal.
1642
1643 2005-03-29  Ian Lance Taylor  <ian@airs.com>
1644
1645         PR bootstrap/14316
1646         * collect2.c: Never include <vfork.h>.
1647         (VFORK_STRING, vfork): Don't define.
1648         (pid): Remove global variable.
1649         (handler): Call raise instead of kill (getpid(), ...).
1650         (collect_wait): Add pex parameter.  Change all callers.  Use
1651         pex_get_status rather than pwait.
1652         (do_wait): Add pex parameter.  Change all callers.
1653         (collect_execute): Return struct pex_obj * rather than void.  Use
1654         pex routines rather than pexecute.
1655         (fork_execute): Get pex_obj from collect_execute, and pass it to
1656         do_wait.
1657         (scan_prog_file): Use pex routines rather than pipe/vfork/exec.
1658         Only declare quit_handler if SIGQUIT is defined.
1659         (scan_libraries): Likewise.
1660         * collect2.h (collect_execute): Update declaration.
1661         (collect_wait): Update declaration.
1662         * tlink.c (tlink_execute): Get pex_obj from collect_execute, and
1663         pass it to collect_wait.
1664
1665 2005-03-29  Joseph S. Myers  <joseph@codesourcery.com>
1666
1667         PR c/20672
1668         * c-parser.c (c_parser_compound_statement_nostart): Give error
1669         message for EOF instead of just setting parser->error.
1670
1671 2005-03-29  Dorit Naishlos  <dorit@il.ibm.com>
1672
1673         * tree-vectorizer.c (slpeel_update_phi_nodes_for_guard): Removed.
1674         (slpeel_update_phi_nodes_for_guard1): New function.
1675         (slpeel_update_phi_nodes_for_guard2): New function.
1676         (slpeel_tree_peel_loop_to_edge): Call above new functions instead
1677         of slpeel_update_phi_nodes_for_guard.
1678         (vectorize_loops): Remove call to loop_closed_rewrite.
1679         * tree-vect-transform.c (vect_update_ivs_after_vectorizer): Remove
1680         assertion.
1681
1682 2005-03-29  Richard Sandiford  <rsandifo@redhat.com>
1683
1684         * config/m32r/little.h (TARGET_ENDIAN_DEFAULT): Delete.
1685         (TARGET_LITTLE_ENDIAN): New macro.
1686         * config/m32r/m32r.h (SUBTARGET_SWITCHES, target_flags)
1687         (TARGET_RELAX_MASK, TARGET_DEBUG_MASK, TARGET_DEBUG)
1688         (TARGET_ALIGN_LOOPS_MASK, TARGET_ALIGN_LOOPS)
1689         (TARGET_LOW_ISSUE_RATE_MASK, TARGET_LOW_ISSUE_RATE)
1690         (TARGET_BRANCH_COST_MASK, TARGET_BRANCH_COST, TARGET_M32RX_MASK)
1691         (TARGET_M32RX, TARGET_M32R2_MASK, TARGET_M32R2, LITTLE_ENDIAN_BIT)
1692         (TARGET_ENDIAN_DEFAULT, SUBTARGET_SWITCHES, TARGET_DEFAULT)
1693         (TARGET_SWITCHES, m32r_model_string, m32r_sdata_string)
1694         (m32r_cache_flush_trap_string, SUBTARGET_OPTIONS)
1695         (TARGET_OPTIONS): Delete.
1696         (M32R_MODEL_DEFAULT, M32R_SDATA_DEFAULT): Turn into enums.
1697         (CACHE_FLUSH_TRAP): Turn into an integer.
1698         (TARGET_LITTLE_ENDIAN): Define to 0 by default.
1699         (INITIALIZE_TRAMPOLINE): Check m32r_cache_trap >= 0 to see if
1700         -mflush-trap is in use.
1701         * config/m32r/m32r.c (m32r_model_string, m32r_sdata_string)
1702         (m32r_cache_flush_trap_string): Delete.
1703         (m32r_model) Initialize to M32R_MODEL_DEFAULT.
1704         (m32r_sdata): Likewise M32R_SDATA_DEFAULT.
1705         (m32r_cache_trap): Likewise CACHE_FLUSH_TRAP.
1706         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
1707         (m32r_handle_option): New function.  Move -mflush-trap=, -mflush-func=,
1708         -mmodel= and -msdata= handling from...
1709         (m32r_init): ...here.
1710         * config/m32r/m32r.opt: New file.
1711
1712 2005-03-29  Keith Besaw  <kbesaw@us.ibm.com>
1713
1714         * tree-ssanames.c (duplicate_ssa_name_ptr_info): New function.
1715         (duplicate_ssa_name): Call duplicate_ssa_name_ptr_info.
1716         * tree-vect-analyze.c (vect_object_analysis): additional parm
1717         pass back a "struct ptr_info_def *" with the points-to info.
1718         (vect_analyze_data_refs): set the STMT_VINFO_PTR_INFO for the
1719         statement using info returned from vect_object_analysis.
1720         * tree-vect-transform.c (update_vuses_to_preheader): New function.
1721         (vect_create_data_ref_ptr): Remove updates to vars_to_rename
1722         for virtual uses and defs when creating a replacement vector
1723         reference.  Call duplicate_ssa_name_ptr_info to define points-to
1724         info for vector pointer replacement using STMT_VINFO_PTR_INFO.
1725         (vectorizable_store): copy_virtual_operands and update
1726         definition statements.
1727         (vectorizable_load): copy_virtual_operands.  Remove call to
1728         mark_call_clobbered_vars_to_rename for call to "const" builtin.
1729         * tree-vectorizer.c (vectorize_loops): Remove calls to
1730         rewrite_into_ssa and bitmap_clear (vars_to_rename).
1731         (new_stmt_vec_info): initialize STMT_VINFO_PTR_INFO for stmt.
1732         * tree-vectorizer.h (_stmt_vec_info): add field ptr_info and
1733         define macro STMT_VINFO_PTR_INFO for use in accessing.
1734         * tree.h add export of duplicate_ssa_name_ptr_info.
1735         * rs6000.c (altivec_init_builtins): Declare builtin function
1736         __builtin_altivec_mask_for_load to be "const".
1737
1738 2005-03-29  Jakub Jelinek  <jakub@redhat.com>
1739
1740         PR middle-end/20622
1741         * cgraph.h (struct cgraph_varpool_node): Add alias field.
1742         * cgraph.c (cgraph_varpool_assemble_pending_decls): Don't call
1743         assemble_variable on aliases.
1744         * varasm.c (assemble_alias): Set node->alias.
1745         * toplev.c (wrapup_global_declarations): Don't call
1746         rest_of_decl_compilation on aliases again.
1747
1748 2005-03-29  Paul Brook  <paul@codesourcery.com>
1749
1750         * config/arm/arm-protos.h (arm_dbx_register_number): Add prototype.
1751         * config/arm/arm.c (arm_dbx_register_number): New function.
1752         * config/arm/arm.h (IS_FPA_REGNUM, DBX_REGISTER_NUMBER): Define.
1753
1754 2005-03-29  Eric Botcazou  <ebotcazou@libertysurf.fr>
1755
1756         PR middle-end/20263
1757         * varasm.c (make_decl_rtl) [ASM_DECLARE_REGISTER_GLOBAL]: Use
1758         the DECL_NAME, not the DECL_ASSEMBLER_NAME.
1759
1760 2005-03-29  Dale Johannesen <dalej@apple.com>
1761
1762         * Makefile.in (value-prof.o): New dependencies on $(DIAGNOSTIC_H)
1763         $(TREE_H) and $(COVERAGE_H).
1764         * coverage.c (compute_checksum): Use DECL_NAME not DECL_ASSEMBLER_NAME.
1765         * opts.c (common_handle_option): Enable tree-based value transforms.
1766         * toplev.c (process_options): Ditto.
1767         * value-prof.h (struct histogram_value_t): Redefine. "Adjust" below
1768         refers to references to this type.
1769         * tree-flow.h: (struct stmt_ann_d): Add histograms field.
1770         * rtl-profile.c (rtl_gen_interval_profiler): Adjust. Remove checks
1771         for may_be_more, may_be_less.
1772         (rtl_gen_pow2_profiler): Adjust.
1773         (rtl_gen_one_value_profiler_no_edge_manip): Adjust.
1774         (rtl_gen_one_value_profiler): Adjust.
1775         (rtl_gen_const_delta_profiler): Adjust.
1776         * tree-profile.c (tree_gen_interval_profiler): Implement.
1777         (tree_gen_pow2_profiler): Ditto.
1778         (tree_gen_one_value_profiler): Ditto.
1779         (tree_profiling): New.
1780         (pass_tree_profile): Reference it.
1781         * value-prof.c: Include tree-flow.h, tree-flow-inline.h, diagnostic.h,
1782         tree.h, gcov-io.h.
1783         (insn_divmod_values_to_profile): Rename to
1784         rtl_divmod_values_to_profile. Adjust.
1785         (insn_values_to_profile): Rename to rtl_values_to_profile. Adjust.
1786         (insn_prefetch_values_to_profile): Adjust.
1787         (rtl_value_profile_transformations): Adjust.
1788         (gen_divmod_fixed_value): Rename to rtl_divmod_fixed_value.
1789         (gen_mod_pow2): Rename to rtl_mod_pow2.
1790         (gen_mod_subtract): Rename to rtl_mod_subtract.
1791         (divmod_fixed_value_transform): Rename to
1792         rtl_divmod_fixed_value_transform.
1793         (mod_pow2_value_transform): Rename to rtl_mod_pow2_value_transform.
1794         (mod_subtract_transform): Rename to rtl_mod_subtract_transform.
1795         (rtl_find_values_to_profile): Adjust.
1796         (tree_value_profile_transformations): Implement.
1797         (tree_divmod_values_to_profile): New.
1798         (tree_values_to_profile): New.
1799         (tree_divmod_fixed_value): New.
1800         (tree_mod_pow2): New.
1801         (tree_mod_subtract): New.
1802         (tree_divmod_fixed_value_transform): New.
1803         (tree_mod_pow2_value_transform): New.
1804         (tree_mod_subtract_transform): New.
1805         (tree_find_values_to_profile): Implement.
1806         * profile.c (instrument_values):  Free histograms.
1807         (compute_value_histograms): Adjust. Implement tree version.
1808
1809 2005-03-29  Uros Bizjak  <uros@kss-loka.si>
1810
1811         * reg-stack.c (subst_stack_regs_pat): Handle <UNSPEC_FIST> case.
1812         * config/i386/i386.c (output_fix_trunc): Add new round_mode
1813         variable.  Output "fldcw" depending on round_mode.
1814         * config/i386/i386.md (UNSPEC_FIST): New.
1815         (fistdi2, fistdi2_with_temp, fist<mode>2, fist<mode>2_with_temp):
1816         New isns patterns to implement lrint and llrint built-ins as x87
1817         intrinsic function.
1818         (fistdi2, fist<mode>2 splitters): New splitters.
1819         (lrint<mode>2): New expanders.
1820
1821 2005-03-28  Ian Lance Taylor  <ian@airs.com>
1822
1823         * config/arc/arc.c (arc_output_function_epilogue): Pass prescan as
1824         0 when calling final_scan_insn.
1825
1826 2005-03-28  Jan Hubicka  <jh@suse.cz>
1827
1828         PR middle-end/20635
1829         * varasm.c (mark_decl_referenced): Do not mark extern inline functions
1830         as needed.
1831
1832         * tree-inline.c (estimate_num_insns_1): Use declaration to discover argument
1833         types where possible.
1834
1835 2005-03-26  Per Bothner  <per@bothner.com>
1836
1837         Make -f[no-]show-column also control non-cpp diagnostics.
1838         * c.opt (fshow-column): Move option from here ...
1839         * common.opt (fshow-column): ... to here.
1840         * diagnostic.c (diagnostic_build_prefix): Only print column number
1841         if flag_show_column.
1842
1843 2005-03-27  Steven Bosscher  <stevenb@suse.de>
1844
1845         * vax-protos.h (vax_output_int_move, vax_output_int_add,
1846         vax_output_conditional_branch): New prototypes.
1847         * vax.c (vax_output_int_move, vax_output_int_add): New functions,
1848         extracted from vax.md mov and add patterns.
1849         (vax_output_conditional_branch): New function to output conditional
1850         branch instructions.
1851         * vax.md: Use mode macros for arithmetic and mov patterns.
1852         Use code macros for the jump patterns.
1853
1854 2005-03-26  Andrew Pinski  <pinskia@physics.uc.edu>
1855
1856         * Makefile.in (libbackend.o): Depend on version files;
1857         add custom generation command.
1858
1859 2005-03-26  Andrew Pinski  <pinskia@physics.uc.edu>
1860
1861         PR target/20636
1862         * config/rs6000/rs6000.md (extendsfdf2_fpr): Check to make
1863         sure that we have a REG before getting its REGNO.
1864
1865 2005-03-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1866
1867         * builtin-types.def (BT_FN_STRING_CONST_STRING_SIZE): New.
1868         * builtins.def (BUILT_IN_STRNDUP): New.
1869
1870 2005-03-25  Pat Haugen  <pthaugen@us.ibm.com>
1871
1872         PR tree-optimization/20470
1873         * fold-const.c (fold_cond_expr_with_comparison): Recognize/fold
1874         ABS(x-y).
1875
1876 2005-03-25  Mike Stump  <mrs@apple.com>
1877
1878         * config/darwin.h (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Don't allow 0
1879         sized objects.
1880
1881 2005-03-25  Geoffrey Keating  <geoffk@apple.com>
1882
1883         * config/rs6000/darwin-fallback.c: Don't include <ucontext.h>.
1884         Use our own structure definitions.
1885
1886         * config/rs6000/rs6000.md (UNSPEC constants): Add UNSPEC_STFIWX.
1887         (fix_truncdfsi2): Allow registers or memory as destination.
1888         When TARGET_PPC_GFXOPT, generate simplified pattern.
1889         (fix_truncdfsi2_internal): Use define_insn_and_split.
1890         (fix_truncdfsi2_internal_gfxopt): New.
1891         (fctiwz): Don't confuse register allocation by giving it no choices.
1892         (stfiwx): New.
1893         * config/rs6000/rs6000.h (EXTRA_CONSTRAINT): Add 'Z'.
1894         (EXTRA_MEMORY_CONSTRAINT): Likewise.
1895         * config/rs6000/rs6000.c (indexed_or_indirect_operand): New.
1896         * config/rs6000/rs6000-protos.h (indexed_or_indirect_operand): New.
1897
1898 2005-03-25  Kazu Hirata  <kazu@cs.umass.edu>
1899
1900         * dominance.c (free_dominance_info): Speed up by freeing et
1901         data structures without maintaining other nodes.
1902         * et-forest.c (et_free_tree_force): New.
1903         * et-forest.h: Add a prototype for et_free_tree_force.
1904
1905         * tree.c (get_set_constructor_bits,
1906         get_set_constructor_bytes): Remove.
1907         * tree.h: Remove the corresponding prototypes.
1908
1909 2005-03-25  John David Anglin  <dave.anglin@nrc-crnc.gc.ca>
1910
1911         PR target/15491
1912         * vax.c (vax_rtx_costs_1): Merge with vax_rtx_costs.
1913         (vax_rtx_costs): Return false when passed unsupported rtx's.  Handle
1914         FLOAT_EXTEND, FLOAT_TRUNCATE and TRUNCATE.  Fix costs for POST_INC,
1915         PRE_DEC, NEG and NOT.
1916
1917 2005-03-25  Kazu Hirata  <kazu@cs.umass.edu>
1918
1919         * fold-const.c: Convert uses of fold (build (...)) to
1920         fold_buildN.
1921
1922 2005-03-25  Zdenek Dvorak  <dvorakz@suse.cz>
1923
1924         PR rtl-optimization/20249
1925         * cse.c (insert_regs): Do not record equivalence of registers in
1926         different modes.
1927
1928 2005-03-24  Kazu Hirata  <kazu@cs.umass.edu>
1929
1930         * emit-rtl.c (reverse_comparison): Remove.
1931         * rtl.h: Remove the corresponding prototype.
1932
1933 2005-03-24  James E Wilson  <wilson@specifixinc.com>
1934
1935         * doc/install.texi (--enable-altivec): Delete docs.
1936
1937 2005-03-24  David Edelsohn  <edelsohn@gnu.org>
1938
1939         * config/rs6000/predicates.md (easy_fp_constant): Return 0 for
1940         SFmode and DFmode before reload when
1941         flag_unsafe_math_optimizations not enabled.
1942
1943 2005-03-24  Geoffrey Keating  <geoffk@apple.com>
1944
1945         * c.opt (fvisibility-inlines-hidden): Allow for ObjC++.
1946
1947         * config/i386/darwin.h (TARGET_SUBTARGET_DEFAULT): Add
1948         MASK_128BIT_LONG_DOUBLE, MASK_ALIGN_DOUBLE.
1949
1950 2005-03-24  Nathan Sidwell  <nathan@codesourcery.com>
1951
1952         * configure.ac (enable-checking): Add 'runtime' option.
1953         * doc/install.texi (enable-checking): Document 'runtime' checking.
1954         * tsystem.h (gcc_assert, gcc_unreachable): Define.
1955         * config.in: Regenerated.
1956         * configure: Regenerated.
1957
1958 2005-03-23  Uros Bizjak  <uros@kss-loka.si>
1959
1960         * optabs.h (enum optab_index): Remove OTI_llrint.
1961         (llrint_optab): Remove macro.
1962         * optabs.c (init_optabs): Remove llrint_optab initialization.
1963         * genopinit.c (optabs): Remove llrint_optab implementation.
1964         * builtins.c (expand_builtin_mathfn): Handle BUILT_IN_LLRINT{,F,L}
1965         using lrint_optab.
1966
1967 2005-03-24  Alexandre Oliva  <aoliva@redhat.com>
1968
1969         PR rtl-optimization/20532
1970         * simplify-rtx.c (simplify_binary_operation_1): Protect from
1971         overflow when adding coefficients for PLUS or MINUS.
1972         (simplify_binary_operation_1): Handle CONST_DOUBLE exact power of
1973         two as multiplier.
1974
1975 2005-03-23  Joseph S. Myers  <joseph@codesourcery.com>
1976
1977         * langhooks.h (truthvalue_conversion): Remove.
1978         * langhooks-def.h (LANG_HOOKS_INITIALIZER): Remove
1979         LANG_HOOKS_TRUTHVALUE_CONVERSION.
1980         * system.h (LANG_HOOKS_TRUTHVALUE_CONVERSION): Poison.
1981         * gimplify.c (gimple_boolify): Don't use truthvalue_conversion.
1982         * c-objc-common.h (LANG_HOOKS_TRUTHVALUE_CONVERSION): Remove.
1983
1984 2005-03-23  Kazu Hirata  <kazu@cs.umass.edu>
1985
1986         * params.def: Fix a typo.
1987         * config/mips/mips.c: Follow the spelling convensions.
1988         * doc/invoke.texi: Fix typos.
1989
1990 2005-03-18  Dale Johannese  <dalej@apple.com>
1991
1992         * cp/tree.c (cp_tree_equal):  Handle SSA_NAME.
1993
1994 2005-03-23  Daniel Berlin  <dberlin@dberlin.org>
1995
1996         Fix PR tree-optimization/20601
1997
1998         * tree-ssa-pre.c (insert_aux): Add missing condition to
1999         constification.
2000
2001 2005-03-23  Ian Lance Taylor  <ian@airs.com>
2002
2003         * final.c (final_scan_insn): Don't remove no-op instructions.
2004         * reload1.c (reload): Remove simple no-op instructions even when
2005         not optimizing.
2006
2007 2005-03-23  Dorit Naishlos  <dorit@il.ib.com>
2008
2009         PR tree-optimization/20501
2010         * tree-vect-analyze.c (vect_enhance_data_refs_alignment): Debug print
2011         reporting that peeling for alignment is applied moved to...
2012         * (vect_analyze_data_refs_alignment): Here.
2013
2014 2005-03-23  Ian Lance Taylor  <ian@airs.com>
2015
2016         * reorg.c (dbr_schedule): Remove #if 0 code to call final.
2017
2018 2005-03-23  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
2019
2020         * config.gcc (alpha*-dec-osf[45]*): Remove target_cpu_default.
2021         Define TARGET_SUPPORT_ARCH except on Tru64 UNIX V4.0A.
2022
2023 2005-03-23  Hans-Peter Nilsson  <hp@axis.com>
2024
2025         * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Adjust wording to not
2026         imply that this is called once, independent of asms in code.
2027         Adjust to now being pased output and input lists.  Mention helper
2028         function decl_overlaps_hard_reg_set_p.
2029         * hooks.c (hook_tree_tree_tree_tree_3rd_identity): Rename from
2030         hook_tree_tree_identity and to take three trees, returning third.
2031         * hooks.h (hook_tree_tree_tree_tree_3rd_identity): Adjust the
2032         prototype.
2033         * stmt.c: include hard-reg-set.h before tree.h.
2034         (decl_overlaps_hard_reg_set_p): New function, broken out from...
2035         (decl_conflicts_with_clobbers_p): Call
2036         decl_overlaps_hard_reg_set_p.
2037         (expand_asm_operands): Pass output and input lists in call to
2038         targetm.md_asm_clobbers.
2039         * target-def.h (TARGET_MD_ASM_CLOBBERS): Define as
2040         hook_tree_tree_tree_tree_3rd_identity.
2041         * target.h (struct gcc_target.md_asm_clobbers): Take three tree
2042         parameters.
2043         * tree.h [HARD_CONST] (decl_overlaps_hard_reg_set_p): Prototype.
2044         * config/i386/i386.c (ix86_md_asm_clobbers): Adjust to three
2045         parameters, first two unused.
2046         * config/cris/cris.c (cris_md_asm_clobbers): Adjust to added
2047         parameters.  Only add MOF to clobbers if there's no 'h' mentioned
2048         in constraint letters and MOF is not mentioned as a asm-declared
2049         register in neither of the input and output lists.
2050
2051 2005-03-23  DJ Delorie  <dj@redhat.com>
2052
2053         * optabs.c (expand_binop): Make sure the first subword's result
2054         gets stored.
2055
2056 2005-03-23  Joseph S. Myers  <joseph@codesourcery.com>
2057
2058         * c-common.c (c_common_truthvalue_conversion): Adjust comment.
2059         Call c_common_truthvalue_conversion rather than
2060         lang_hooks.truthvalue_conversion.
2061         * c-convert.c (convert): Call c_objc_common_truthvalue_conversion.
2062         * c-objc-common.c (c_objc_common_truthvalue_conversion): Move to
2063         c-typeck.c.
2064         * c-objc-common.h (LANG_HOOKS_TRUTHVALUE_CONVERSION): Change to
2065         c_common_truthvalue_conversion.
2066         * c-parser.c (c_parser_paren_condition, c_parser_for_statement,
2067         c_parser_conditional_expression, c_parser_binary_expression): Call
2068         c_objc_common_truthvalue_conversion.
2069         * c-typeck.c (build_unary_op): Call
2070         c_objc_common_truthvalue_conversion.
2071         (build_conditional_expr): Do not call
2072         lang_hooks.truthvalue_conversion.
2073         (build_binary_op): Call c_common_truthvalue_conversion.
2074         (c_objc_common_truthvalue_conversion): Moved from
2075         c-objc-common.c.  Call default_function_array_conversion instead
2076         of default_conversion.
2077
2078 2005-03-23  Joseph S. Myers  <joseph@codesourcery.com>
2079
2080         * c-common.h (default_conversion): Remove.
2081         (perform_integral_promotions): Add.
2082         * c-tree.h (default_conversion): Add.
2083         * c-typeck.c (perform_integral_promotions): New, split out from
2084         default_conversion.
2085         * c-common.c (check_case_value): Use perform_integral_promotions,
2086         not default_conversion.
2087         (c_add_case_label): Don't continue processing case label after
2088         found to be pointer.
2089
2090 2005-03-23  Mark Mitchell  <mark@codesourcery.com>
2091
2092         * gcc.c (do_spec_1): Do not add a -L path for a directory in
2093         the prefix list if we have already added a multilib directory
2094         based on that path.
2095         (main): Do not add MD_EXEC_PREFIX to the list of directories to
2096         search with -L.
2097
2098 2005-03-22  Kazu Hirata  <kazu@cs.umass.edu>
2099
2100         * reload1.c (indirect_symref_ok, reload_obstack): Make them
2101         static.
2102         * reload.h: Remove the prototype for indirect_symref_ok.
2103
2104         * reload1.c (indirect_symref_ok): Make it global.
2105         * reload.h: Add a prototype for indirect_symref_ok.
2106
2107 2005-03-22  Kaz Kojima  <kkojima@gcc.gnu.org>
2108
2109         * config/sh/sh.md (ashlhi3): Rename to *ashlhi3_n and add a new
2110         ashlhi3 expander.
2111
2112 2005-03-22  Tobias Schl"uter  <tobias.schlueter@physik.uni-muenchen.de>
2113
2114         * tree.h (DECL_IGNORED_P, DECL_IN_SYSTEM_HEADER): Clarify comments.
2115
2116 2005-03-22  Daniel Berlin  <dberlin@dberlin.org>
2117
2118         * c-opts.c (c_common_parse_file): Only start/end main source file
2119         if debug hooks says the writer wants it.
2120         * dbxout.c (dbx_debug_hooks): Add start_end_main_source_file
2121         member.
2122         (xcoff_debug_hooks): Ditto.
2123         * debug.c (do_nothing_hooks): Ditto.
2124         * debug.h (gcc_debug_hooks): Ditto.
2125         * dwarf2out.c (dwarf2_debug_hooks): Ditto.
2126         * sdbout.c (sdb_debug_hooks): Ditto.
2127         * vmsdbgout.c (vmsdbg_debug_hooks): Ditto.
2128
2129 2005-03-22  Mark Mitchell  <mark@codesourcery.com>
2130
2131         * doc/extend.texi: Deprecate C++ min/max operators.
2132
2133 2005-03-22  Zdenek Dvorak  <dvorakz@suse.cz>
2134
2135         * tree-ssa-loop-ivopts.c (determine_iv_cost): Do not try to preserve
2136         artificial original candidates.
2137
2138 2005-03-22  Richard Guenther <rguenth@tat.physik.uni-tuebingen.de>
2139             Jan Hubicka  <jh@suse.cz>
2140             Steven Bosscher <stevenb@suse.de>
2141
2142         * cgraphunit.c (cgraph_estimate_size_after_inlining): Compute
2143         call cost based on argument sizes.
2144         (cgraph_mark_inline_edge): Avoid inline unit from shrinking by
2145         inlining.
2146         * params.def: (max-inline-inssn-single): Set to 450.
2147         (max-inline-insns-auto): Set to 90.
2148         (max-inline-insns-recursive): Set to 450
2149         (max-inline-insns-recursive-auto): Set to 450.
2150         (large-function-insns): Set to 2700.
2151         (inline-call-cost): New parameter.
2152         * tree-inline.c (estimate_move_cost): New function.
2153         (estimate_num_insns_1): Compute move sizes costs by estimate_move_cost
2154         for non-gimple-regs, set cost to 0 for gimple-regs.  Compute call size
2155         based on arguments.
2156         * tree-inline.h (estimate_move_cost): Declare.
2157         * invoke.texi: (max-inline-inssn-single): Change default to 450.
2158         (max-inline-insns-auto): Change default to 90.
2159         (max-inline-insns-recursive): Change default to 450
2160         (max-inline-insns-recursive-auto): Change default to 450.
2161         (large-function-insns): Change default to 2700.
2162         (inline-call-cost): Document new parameter.
2163
2164 2005-03-22  Richard Sandiford  <rsandifo@redhat.com>
2165
2166         * config/i860/i860.h (target_flags, TARGET_XP, TARGET_SWITCHES)
2167         (TARGET_DEFAULT): Delete.
2168         * config/i860/i860.opt: New file.
2169
2170 2005-03-22  Richard Sandiford  <rsandifo@redhat.com>
2171
2172         * config/frv/frv-protos.h (frv_branch_cost_string, frv_branch_cost_int)
2173         (frv_cpu_string, frv_condexec_insns_str, frv_condexec_insns)
2174         (frv_condexec_temps_str, frv_condexec_temps, frv_sched_lookahead_str)
2175         (frv_sched_lookahead): Delete.
2176         * config/frv/frv.h (MASK_DEFAULT_ALLOC_CC): Move to frv.c.
2177         (target_flags, MASK_GPR_32, MASK_FPR_32, MASK_SOFT_FLOAT)
2178         (MASK_ALLOC_CC, MASK_DWORD, MASK_DOUBLE, MASK_MEDIA, MASK_MULADD)
2179         (MASK_LIBPIC, MASK_ACC_4,  MASK_PACK, MASK_LONG_CALLS)
2180         (MASK_ALIGN_LABELS, MASK_LINKED_FP, MASK_BIG_TLS, MASK_DEBUG_ARG)
2181         (MASK_DEBUG_ADDR, MASK_DEBUG_STACK, MASK_DEBUG, MASK_DEBUG_LOC)
2182         (MASK_DEBUG_COND_EXEC, MASK_NO_COND_MOVE, MASK_NO_SCC)
2183         (MASK_NO_COND_EXEC, MASK_NO_VLIW_BRANCH, MASK_NO_MULTI_CE)
2184         (MASK_FDPIC, MASK_INLINE_PLT, MASK_GPREL_RO, MASK_DEFAULT)
2185         (TARGET_GPR_32, TARGET_FPR_32, TARGET_SOFT_FLOAT, TARGET_ALLOC_CC)
2186         (TARGET_DWORD, TARGET_DOUBLE, TARGET_MEDIA, TARGET_MULADD)
2187         (TARGET_LIBPIC, TARGET_ACC_4, TARGET_DEBUG_ARG, TARGET_DEBUG_ADDR)
2188         (TARGET_DEBUG_STACK, TARGET_DEBUG, TARGET_DEBUG_LOC)
2189         (TARGET_DEBUG_COND_EXEC, TARGET_NO_COND_MOVE, TARGET_NO_SCC)
2190         (TARGET_NO_COND_EXEC, TARGET_NO_VLIW_BRANCH, TARGET_NO_MULTI_CE)
2191         (TARGET_NO_NESTED_CE, TARGET_FDPIC, TARGET_INLINE_PLT, TARGET_BIG_TLS)
2192         (TARGET_GPREL_RO, TARGET_PACK, TARGET_LONG_CALLS, TARGET_ALIGN_LABELS)
2193         (TARGET_LINKED_FP, TARGET_GPR_64, TARGET_FPR_64, TARGET_HARD_FLOAT)
2194         (TARGET_FIXED_CC, TARGET_COND_MOVE, TARGET_SCC, TARGET_COND_EXEC)
2195         (TARGET_VLIW_BRANCH, TARGET_MULTI_CE, TARGET_NESTED_CE, TARGET_ACC_8)
2196         (TARGET_SWITCHES, TARGET_OPTIONS, DEFAULT_CONDEXEC_TEMPS)
2197         (DEFAULT_BRANCH_COST, DEFAULT_CONDEXEC_INSNS): Delete.
2198         * config/frv/frv.c (frv_branch_cost_string, frv_branch_cost_int)
2199         (frv_cpu_string, frv_condexec_insns_str, frv_condexec_insns)
2200         (frv_condexec_temps_str, frv_condexec_temps, frv_sched_lookahead_str)
2201         (frv_sched_lookahead): Delete.
2202         (MASK_DEFAULT_ALLOC_CC): Moved from frv.h.
2203         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
2204         (frv_handle_option): New function.  Move -mcpu= handling from...
2205         (frv_override_options): ...here.  Remove handling of other
2206         TARGET_OPTIONS.
2207         (frv_ifcvt_modify_tests): Check !TARGET_COND_EXEC instead of
2208         TARGET_NO_COND_EXEC and !TARGET_NESTED_CE to TARGET_NO_NESTED_CE.
2209         (frv_ifcvt_modify_multiple_tests): Likewise !TARGET_MULTI_CE
2210         and TARGET_NO_MULTI_CE.
2211         (frv_for_each_packet): Likewise TARGET_NO_VLIW_BRANCH and
2212         !TARGET_VLIW_BRANCH.
2213         * config/frv/frv.opt: New file.
2214
2215 2005-03-22  Kazu Hirata  <kazu@cs.umass.edu>
2216
2217         * fold-const.c (fold_ternary): Take decomposed arguments of
2218         CALL_EXPR.
2219         (fold): Update a call to fold_ternary.
2220
2221         * fold-const.c (fold_build1, fold_build2, fold_build3): New.
2222         * tree.h: Add corresponding prototypes.
2223
2224 2005-03-22  Jakub Jelinek  <jakub@redhat.com>
2225
2226         PR target/20561
2227         * cfglayout.c (reemit_insn_block_notes): Don't put block notes in
2228         between jump table and its label.
2229         * final.c (shorten_branches): Handle notes in between ADDR_VEC
2230         resp. ADDR_DIFF_VEC and the label preceeding it.
2231         (final_scan_insn): Likewise.  Ensure ADDR_VEC resp. ADDR_DIFF_VEC
2232         is emitted in the right section.
2233
2234 2005-03-22  Kazu Hirata  <kazu@cs.umass.edu>
2235
2236         * fold-const.c (fold_unary, fold_binary): Update comments
2237         about arguments.
2238
2239 2005-03-22  Hans-Peter Nilsson  <hp@axis.com>
2240
2241         PR rtl-optimization/20527
2242         * combine.c (can_combine_p) [AUTO_INC_DEC]: When INSN has an
2243         REG_INC note, test that the register also isn't mentioned in PRED
2244         or SUCC.
2245
2246 2005-03-22  Ben Elliston  <bje@au.ibm.com>
2247
2248         * dwarf2out.c (dwarf_type_encoding_name): Remove unused prototype
2249         and definition.
2250
2251 2005-03-21  Mike Stump  <mrs@apple.com>
2252
2253         * varasm.c (default_assemble_visibility): Remove extra ().
2254
2255 2005-03-21  Roger Sayle  <roger@eyesopen.com>
2256
2257         PR middle-end/20557
2258         * bb-reorder.c (duplicate_computed_gotos): Use can_duplicate_block_p
2259         to determine whether a block can be duplicated, rather than test
2260         whether the block contains noncopyable insns ourselves.
2261
2262 2005-03-21  Kazu Hirata  <kazu@cs.umass.edu>
2263
2264         * config/i860/i860.h (PREDICATE_CODES): Remove nonexistent
2265         predicates.
2266
2267 2005-03-21  Richard Sandiford  <rsandifo@redhat.com>
2268
2269         * config/ip2k/ip2k.h (target_flags, TARGET_SWITCHES): Delete.
2270
2271 2005-03-21  Richard Sandiford  <rsandifo@redhat.com>
2272
2273         * config/fr30/fr30.h (TARGET_SMALL_MODEL_MASK, TARGET_SMALL_MODEL)
2274         (TARGET_DEFAULT, target_flags, TARGET_SWITCHES): Delete.
2275         * config/fr30/fr30.opt: New file.
2276
2277 2005-03-18  Daniel Berlin  <dberlin@dberlin.org>
2278
2279         Fix PR tree-optimization/20542
2280
2281         * tree-flow-inline.h (overlap_subvar): Move to here.
2282         * tree-ssa-operands.c: From here.
2283         * tree-flow.h (overlap_subvar): Declare.
2284         * tree-ssa-alias.c (add_pointed_to_var): Use overlap_subvar here.
2285         * tree-ssa-loop-im.c (is_call_clobbered_ref): Return proper answer
2286         for variables with subvars.
2287
2288 2005-03-21 Mostafa Hagog <mustafa@il.ibm.com>
2289
2290         PR middle-end/20177
2291         * ddg.c (create_ddg_dependence): Ignore reg-anti dependency.
2292         * modulo-sched.c (const_iteration_count): Return on NULL
2293         pre-header.
2294         (print_node_sched_params): Return on NULL dump_file.
2295         (generate_reg_moves): Handle reg-anti dependencies and disregard
2296         closing branch when generating register moves.
2297         (sms_schedule): Mark the SMSed block dirty.
2298         * passes.c (rest_of_handle_sms): Call update_life_info for all
2299         basic-blocks.
2300         * testsuite/gcc.dg/20050321-1.c: New test.
2301
2302 2005-03-21  Bob Wilson  <bob.wilson@acm.org>
2303
2304         * config/xtensa/lib1funcs.asm (__mulsi3): Use symbolic name for ACCLO.
2305         * config/xtensa/xtensa.md (movsi_internal, movhi_internal,
2306         movqi_internal): Likewise.
2307
2308 2005-03-21  Bob Wilson  <bob.wilson@acm.org>
2309
2310         * config/xtensa/xtensa-protos.h: (xtensa_simm7, xtensa_uimm8,
2311         xtensa_uimm8x2, xtensa_uimm8x4, xtensa_ai4const, xtensa_lsi4x4,
2312         xtensa_b4const): Delete prototypes.
2313         (xtensa_simm8, xtensa_simm8x256, xtensa_simm12b, xtensa_b4constu,
2314         xtensa_mask_immediate, xtensa_mem_offset): Update prototypes.
2315         (xtensa_b4const_or_zero, xtensa_const_ok_for_letter_p,
2316         xtensa_extra_constraint): New prototypes.
2317         (add_operand, arith_operand, nonimmed_operand, mem_operand,
2318         mask_operand, extui_fldsz_operand, sext_operand, sext_fldsz_operand,
2319         lsbitnum_operand, branch_operand, ubranch_operand, call_insn_operand,
2320         move_operand, const_float_1_operand, fpmem_offset_operand,
2321         branch_operator, ubranch_operator, boolean_operator): Delete prototypes.
2322         * config/xtensa/xtensa.c (b4const_or_zero): Rename to ...
2323         (xtensa_b4const_or_zero): ...this.  Change return type to bool and
2324         argument type to HOST_WIDE_INT.
2325         (xtensa_simm8, xtensa_simm8x256, xtensa_simm12b,
2326         xtensa_mask_immediate): Likewise.
2327         (xtensa_uimm8, xtensa_uimm8x2, xtensa_uimm8x4, xtensa_b4const):
2328         Likewise.  Also make these functions static.
2329         (xtensa_simm7, xtensa_ai4const, xtensa_lsi4x4): Delete.
2330         (xtensa_const_ok_for_letter_p): New.
2331         (add_operand, arith_operand, nonimmed_operand, mem_operand,
2332         mask_operand, extui_fldsz_operand, sext_operand, sext_fldsz_operand,
2333         lsbitnum_operand, branch_operand, ubranch_operand, call_insn_operand,
2334         move_operand, const_float_1_operand, fpmem_offset_operand,
2335         branch_operator, ubranch_operator, boolean_operator): Move to
2336         predicates.md.
2337         (smalloffset_mem_p): Inline code from xtensa_lsi4x4.
2338         (xtensa_mem_offset): Change return type to bool.
2339         (xtensa_extra_constraint): New.
2340         (gen_int_relational): Update type of const_range_p function pointer.
2341         Use xtensa_b4const_or_zero.
2342         * config/xtensa/xtensa.h (CONST_OK_FOR_LETTER_P): Define to
2343         xtensa_const_ok_for_letter_p.  Update comments.
2344         (EXTRA_CONSTRAINT): Define to xtensa_extra_constraint.
2345         (PREDICATE_CODES): Delete.
2346         * config/xtensa/xtensa.md: Include predicates.md.
2347         * config/xtensa/predicates.md: New file.
2348
2349 2005-03-21  Kazu Hirata  <kazu@cs.umass.edu>
2350
2351         * config/v850/v850-protos.h: Remove the prototypes for
2352         reg_or_int9_operand, reg_or_const_operand,
2353         pattern_is_ok_for_prepare, pattern_is_ok_for_dispose,
2354         reg_or_0_operand, reg_or_int5_operand, call_address_operand,
2355         movsi_source_operand, power_of_two_operand,
2356         not_power_of_two_operand, special_symbolref_operand,
2357         pattern_is_ok_for_prologue, pattern_is_ok_for_epilogue, and
2358         register_is_ok_for_epilogue.
2359         * config/v850/v850.c (reg_or_0_operand, reg_or_int5_operand,
2360         reg_or_int9_operand, reg_or_const_operand,
2361         call_address_operand, special_symbolref_operand,
2362         movsi_source_operand, power_of_two_operand,
2363         not_power_of_two_operand, register_is_ok_for_epilogue,
2364         pattern_is_ok_for_epilogue, pattern_is_ok_for_prologue,
2365         pattern_is_ok_for_dispose, pattern_is_ok_for_prepare): Move to
2366         predicates.md.
2367         * config/v850/v850.h (PREDICATE_CODES): Remove.
2368         * config/v850/v850.md: Include predicates.md.
2369         * config/v850/predicates.md: New.
2370
2371 2005-03-21  Zack Weinberg  <zack@codesourcery.com>
2372
2373         * Makefile.in (BASEVER, DEVPHASE, DATESTAMP)
2374         (BASEVER_c, DEVPHASE_c, DATESTAMP_c)
2375         (BASEVER_s, DEVPHASE_s, DATESTAMP_s, version): Set with :=.
2376         (itoolsdir, itoolsdatadir): Move definition above new first use.
2377         (install-itoolsdirs): New rule.
2378         (install-mkheaders): Depend on install-itoolsdirs, not
2379         install-include-dir.
2380
2381 2005-03-21  Kazu Hirata  <kazu@cs.umass.edu>
2382
2383         * tree-into-ssa.c: Remove obsolete comments.
2384
2385 2005-03-21  Richard Guenther  <rguenth@gcc.gnu.org>
2386
2387         * tree-ssa-loop.c (gate_tree_complete_unroll): Run complete
2388         unrolling if -fpeel-loops is specified, too.
2389         * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely):
2390         Remove superfluous check for flag_unroll_loops.
2391
2392 2005-03-21  Uros Bizjak  <uros@kss-loka.si>
2393
2394         * optabs.h (enum optab_index): Add new OTI_lrint and OTI_llrint.
2395         (lrint_optab, llrint_optab): Define corresponding macros.
2396         * optabs.c (init_optabs): Initialize lrint_optab and llrint_optab.
2397         * genopinit.c (optabs): Implement lrint_optab using lrintsi2
2398         pattern and llrint_optab using llrintdi2 patterns.
2399         * builtins.c (expand_builtin_mathfn): Handle BUILT_IN_LRINT{,F,L}
2400         using lrint_optab and BUILT_IN_LLRINT{,F,L} using llrint_optab.
2401         (expand_builtin): Expand BUILT_IN_LRINT{,F,L} and
2402         BUILT_IN_LLRINT{,F,L} using expand_builtin_mathfn if
2403         flag_unsafe_math_optimizations is set.
2404
2405 2005-03-21  Paolo Bonzini  <bonzini@gnu.org>
2406
2407         * combine.c (combine_simplify_rtx, simplify_if_then_else,
2408         simplify_logical, if_then_else_cond, known_cond,
2409         simplify_comparison): Adjust calls to reverse_comparison.
2410         Don't use combine_reversed_comparison_code).
2411         (combine_reversed_comparison_code): Remove.
2412         (reversed_comparison): Using reversed_comparison_code, move it...
2413         * jump.c (reversed_comparison): ... here.
2414         * rtl.h (reversed_comparison): Add prototype.
2415
2416 2005-03-21  Kazu Hirata  <kazu@cs.umass.edu>
2417
2418         * builtins.c (fold_builtin): Take decomposed arguments of
2419         CALL_EXPR.
2420         * fold-const.c (fold_ternary): Update a call to fold_builtin.
2421         * gimplify.c (gimplify_call_expr): Likewise.
2422         * tree-ssa-ccp.c (ccp_fold, ccp_fold_builtin): Likewise.
2423         * tree.h: Update the prototype of fold_builtin.
2424
2425 2005-03-21  Paolo Bonzini  <bonzini@gnu.org>
2426
2427         * rtl.h (struct rtx_hooks): Add gen_lowpart_no_emit.
2428         * rtlhooks.c (gen_lowpart_no_emit_general): New.
2429         * rtlhooks-def.h (gen_lowpart_no_emit_general): Declare.
2430         (RTL_HOOKS_GEN_LOWPART_NO_EMIT): New.
2431         * simplify-rtx.c (simplify_binary_operation_1): Use it.
2432
2433 2005-03-21  Kazu Hirata  <kazu@cs.umass.edu>
2434
2435         * builtins.c (fold_builtin_1): Take decomposed arguments of
2436         CALL_EXPR.
2437         (fold_builtin): Update a call to fold_builtin_1.
2438
2439 2005-03-21  Nathan Sidwell  <nathan@codesourcery.com>
2440
2441         PR other/20564
2442         * gcov.c (output_lines): Only output function block summary when
2443         outputting branch information.
2444         * doc/gcov.texi: Document format of preamble and additional block
2445         information lines.
2446
2447 2005-03-21  Richard Sandiford  <rsandifo@redhat.com>
2448
2449         * libgcc2.h (LIBGCC2_HAS_SF_MODE): New macro.
2450         (LIBGCC2_HAS_DF_MODE, LIBGCC2_HAS_TF_MODE, LIBGCC2_HAS_XF_MODE): Make
2451         the defaults false if BITS_PER_UNIT != 8.
2452         (SFtype, SCtype, __fixsfdi, __floatdisf, __fixunssfSI, __fixunssfDI)
2453         (__powisf2, __divsc3, __mulsc3): Guard with LIBGCC2_HAS_SF_MODE rather
2454         than BITS_PER_UNIT != 8.
2455         (L_fixdfdi, L_fixsfdi, L_fixtfdi, L_fixunsdfdi, L_fixunsdfsi)
2456         (L_fixunssfdi, L_fixunssfsi, L_fixunstfdi, L_fixunsxfdi, L_fixunsxfsi)
2457         (L_fixxfdi, L_floatdidf, L_floatdisf, L_floatditf, L_floatdixf): Remove
2458         #undefs.
2459         * libgcc2.c (__fixunssfDI, __fixsfdi, __floatdisf, __fixunssfSI)
2460         (__powisf2, __divsc3, __mulsc3): Guard with LIBGCC2_HAS_SF_MODE.
2461
2462 2005-03-20  Roger Sayle  <roger@eyesopen.com>
2463
2464         PR middle-end/20539
2465         * fold-const.c (fold_binary): Fix type mismatch between
2466         TRUTH_{AND,OR,XOR}_EXPR nodes an their operands' types.
2467         (fold_binary) <TRUTH_XOR_EXPR>: Avoid calling invert_truthvalue
2468         for non-truth-valued expressions.
2469
2470         * c-common.c (c_common_truthvalue_conversion): Handle ERROR_MARK
2471         and FUNCTION_DECL in the main switch.
2472         <TRUTH_ANDIF_EXPR, TRUTH_ORIF_EXPR, TRUTH_AND_EXPR, TRUTH_OR_EXPR,
2473         TRUTH_XOR_EXPR>: When changing the result type of these tree nodes,
2474         we also need to convert their operands to match.
2475         <TRUTH_NOT_EXPR>: Likewise.
2476
2477 2005-03-21  Joseph S. Myers  <joseph@codesourcery.com>
2478
2479         * c-common.c (lvalue_or_else): Replace by lvalue_error; only give
2480         diagnostic without checking whether an lvalue.
2481         * c-common.h (lvalue_p): Remove.
2482         (enum lvalue_use): Update comment.
2483         (lvalue_or_else): Replace by lvalue_error.
2484         * c-typeck.c (lvalue_p): Make static.
2485         (lvalue_or_else): New.  Call lvalue_error.
2486
2487 2005-03-21  Alan Modra  <amodra@bigpond.net.au>
2488
2489         * config/rs6000/rs6000.c (rs6000_parm_start): New function.
2490         (function_arg_advance): Use rs6000_parm_start.
2491         (function_arg, rs6000_arg_partial_bytes): Likewise.
2492
2493 2005-03-20  Joseph S. Myers  <joseph@codesourcery.com>
2494
2495         * c-common.c (check_case_value): Adjust comment about stripping
2496         NOPs.
2497         (handle_vector_size_attribute): Don't strip NON_LVALUE_EXPR.
2498         * c-typeck.c (default_conversion, convert_arguments,
2499         build_modify_expr, convert_for_assignment, store_init_value,
2500         digest_init): Use STRIP_TYPE_NOPS instead of stripping nops
2501         manually.  Remove inaccurate comments.
2502
2503 2005-03-20  Roger Sayle  <roger@eyesopen.com>
2504             Joseph S. Myers  <joseph@codesourcery.com>
2505
2506         * varasm.c (do_assemble_alias): Restore comment describing function.
2507         Annotate the target parameter as potentially unused.
2508
2509 2005-03-20  Marek Michalkiewicz  <marekm@amelek.gda.pl>
2510
2511         PR target/18551
2512         * config/avr/avr.c (avr_output_function_prologue): Do not use
2513         current_function_name() in a label, use a local label instead.
2514
2515 2005-03-20  David Edelsohn  <edelsohn@gnu.org>
2516
2517         * config/rs6000/rs6000.c (rs6000_generate_compare): Test
2518         flag_finite_math_only, not flag_unsafe_math_optimizations.
2519
2520 2005-03-20  Kazu Hirata  <kazu@cs.umass.edu>
2521
2522         * builtins.c (fold_builtin_1): Update a call to
2523         targetm.fold_builtin.
2524         * hooks.c (hook_tree_tree_bool_null): Rename to
2525         hook_tree_tree_tree_bool_null.  Take one more argument of type
2526         tree.
2527         * hooks.h: Update the prototype of hook_tree_tree_bool_null.
2528         * target-def.h (TARGET_FOLD_BUILTIN): Define it as
2529         hook_tree_tree_tree_bool_null.
2530         * target.h (gcc_target): Update the prototype of fold_builtin.
2531         * config/alpha/alpha.c (alpha_fold_builtin): Take decomposed
2532         arguments of CALL_EXPR.
2533         * doc/tm.texi (TARGET_FOLD_BUILTIN): Update.  Mention the
2534         new prototype.
2535
2536 2005-03-20  Jan Hubicka  <jh@suse.cz>
2537
2538         * cgraph.h (cgraph_node): Add prev_clone pointer.
2539         * cgraph.c (cgraph_remove_node): Remove from doubly linked chain.
2540         (cgraph_clone_node): Produce doubly linked chain.
2541
2542 2005-03-20  Joseph S. Myers  <joseph@codesourcery.com>
2543
2544         * c-common.c (handle_aligned_attribute, check_function_sentinel,
2545         get_nonnull_operand, handle_sentinel_attribute,
2546         check_function_arguments_recurse): Do not strip NOPS from
2547         INTEGER_CSTs.
2548         * c-decl.c (check_bitfield_type_and_width, build_enumerator):
2549         Likewise.
2550         * c-format.c (get_constant): Likewise.
2551         * c-parser.c (c_parser_postfix_expression): Likewise.
2552         * c-typeck.c (set_init_index): Likewise.
2553         (convert_arguments): Don't check for NOP_EXPR containing integer
2554         constant.
2555
2556 2005-03-20  Kazu Hirata  <kazu@cs.umass.edu>
2557
2558         * builtins.c (fold_fixed_mathfn, fold_builtin_trunc,
2559         fold_builtin_floor, fold_builtin_ceil, fold_builtin_lround):
2560         Take decomposed arguments of CALL_EXPR.
2561         (fold_builtin_1): Update calls to the functions mentioned
2562         above.
2563
2564 2005-03-20  Joseph S. Myers  <joseph@codesourcery.com>
2565
2566         * c-decl.c (check_bitfield_type_and_width): Require bit-field
2567         width to have integer type.
2568         (build_enumerator): Require enumerator value to have integer type.
2569
2570 2005-03-19  Joseph S. Myers  <joseph@codesourcery.com>
2571
2572         * doc/extend.texi (__builtin_inf): Move statement about INFINITY
2573         to __builtin_inff.
2574
2575 2005-03-19  Joseph S. Myers  <joseph@codesourcery.com>
2576
2577         * c.opt (ansi, std=iso9899:1990, std=iso9899:1999,
2578         std=iso9899:199x): Correct descriptions.
2579
2580 2005-03-19  Joseph S. Myers  <joseph@codesourcery.com>
2581
2582         * config.gcc: Consistently use solaris2.1[0-9]* instead of
2583         solaris2.1[0-9].
2584
2585 2005-03-19  Kazu Hirata  <kazu@cs.umass.edu>
2586
2587         * builtins.c (fold_builtin_memcpy): Take decomposed arguments
2588         of CALL_EXPR.
2589         (expand_builtin_memcpy, fold_builtin_1): Update calls to
2590         fold_builtin_memcpy.
2591
2592         * builtins.c (fold_trunc_transparent_mathfn): Take decomposed
2593         arguments of CALL_EXPR.
2594         (fold_builtin_trunc, fold_builtin_floor, fold_builtin_ceil,
2595         fold_builtin_found, fold_builtin_1): Update calls to
2596         fold_trunc_transparent_mathfn.
2597
2598 2005-03-19  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2599
2600         PR middle-end/20493
2601         * fold-const.c (fold_widened_comparison): Don't optimize casts of
2602         function pointers on targets that require function pointer
2603         canonicalization.
2604         (fold_sign_changed_comparison): Likewise.
2605
2606 2005-03-19  Bernd Schmidt  <bernd.schmidt@analog.com>
2607
2608         * combine.c (try_combine): When changing the mode of a hard reg, make
2609         sure that doing so is valid.
2610
2611 2005-03-19  Richard Sandiford  <rsandifo@redhat.com>
2612
2613         * config/avr/avr.c (avr_init_stack, avr_mcu_name): Make static.
2614         (TARGET_HANDLE_OPTION): Override default.
2615         (avr_handle_option): New function.
2616         * config/avr/avr.h (MASK_ALL_DEBUG, MASK_ORDER_1, MASK_INSN_SIZE_DUMP)
2617         (MASK_ORDER_2, MASK_NO_TABLEJUMP, MASK_INT8, MASK_NO_INTERRUPTS)
2618         (MASK_CALL_PROLOGUES, MASK_TINY_STACK, MASK_SHORT_CALLS)
2619         (TARGET_ORDER_1, TARGET_ORDER_2, TARGET_INT8, TARGET_NO_INTERRUPTS)
2620         (TARGET_INSN_SIZE_DUMP, TARGET_CALL_PROLOGUES, TARGET_TINY_STACK)
2621         (TARGET_NO_TABLEJUMP, TARGET_SHORT_CALLS, TARGET_ALL_DEBUG)
2622         (TARGET_SWITCHES, avr_init_stack, avr_mcu_name)
2623         (TARGET_OPTIONS): Delete.
2624         * config/avr/avr.opt: New file.
2625
2626 2005-03-18  2005-03-18  Kazu Hirata  <kazu@cs.umass.edu>
2627
2628         * config/m32r/m32r-protos.h: Remove the prototypes for
2629         call_address_operand, symbolic_operand, seth_add3_operand,
2630         cmp_int16_operand, uint16_operand, reg_or_int16_operand,
2631         reg_or_uint16_operand, reg_or_cmp_int16_operand,
2632         two_insn_const_operand, move_src_operand,
2633         move_double_src_operand, move_dest_operand,
2634         eqne_comparison_operator, signed_comparison_operator,
2635         large_insn_p, conditional_move_operand, carry_compare_operand,
2636         m32r_block_immediate_operand, extend_operand,
2637         reg_or_eq_int16_operand, int8_operand, and
2638         reg_or_zero_operand.
2639         * config/m32r/m32r.c (call_address_operand, symbolic_operand,
2640         seth_add3_operand, int8_operand, cmp_int16_operand,
2641         uint16_operand, reg_or_int16_operand, reg_or_uint16_operand,
2642         reg_or_eq_int16_operand, reg_or_cmp_int16_operand,
2643         reg_or_zero_operand, two_insn_const_operand, move_src_operand,
2644         move_double_src_operand, move_dest_operand,
2645         eqne_comparison_operator, signed_comparison_operator,
2646         extend_operand, small_insn_p, large_insn_p,
2647         conditional_move_operand, carry_compare_operand,
2648         m32r_block_immediate_operand): Move to predicates.md.
2649         (MAX_MOVE_BYTES): Move to m32r.h.
2650         * config/m32r/m32r.h (PREDICATE_CODES): Remove.
2651         * config/m32r/m32r.md: Include predicates.md.
2652         * config/m32r/predicates.md: New.
2653
2654 2005-03-18  James E Wilson  <wilson@specifixinc.com>
2655
2656         PR c++/19769
2657         * dwarf2out.c (declare_in_namespace): Ignore decls with an abstract
2658         origin.
2659
2660 2005-03-18  Kazu Hirata  <kazu@cs.umass.edu>
2661
2662         * config/mn10300/mn10300-protos.h: Remove the prototypes for
2663         call_address_operand, const_8bit_operand.
2664         * config/mn10300/mn10300.c (call_address_operand,
2665         const_8bit_operand, const_1f_operand): Move to predicates.md.
2666         * config/mn10300/mn10300.h (PREDICATE_CODES): Remove.
2667         * config/mn10300/mn10300.md: Include predicates.md.
2668         * config/mn10300/predicates.md: New.
2669
2670 2005-03-18  Joseph S. Myers  <joseph@codesourcery.com>
2671
2672         * c-common.c, c-decl.c, c-format.c, c-typeck.c: Use %D for
2673         declarations in diagnostics and %E for identifiers, not %s.
2674
2675 2005-03-18  Jan Hubicka  <jh@suse.cz>
2676             Dale Johannesen  <dalej@apple.com>
2677
2678         * basic-block.h (scale_bbs_frequencies_int,
2679         scale_bbs_frequencies_gcov_type): Declare.
2680         * cfg.c (RDIV): New macro.
2681         (update_bb_frequency_for_threading): Fix.
2682         * basic-block.h (scale_bbs_frequencies_int,
2683         scale_bbs_frequencies_gcov_type): New.
2684         * cfgloopmanip.c (scale_bbs_frequencies): Kill.
2685         (scale_loop_frequencies, duplicate_loop_to_header_edge): Use
2686         scale_bbs_frequencies_int.
2687         * tree-ssa-loop-ch.c (copy_loop_headers): Fix profiling info.
2688
2689 2005-03-18  Kazu Hirata  <kazu@cs.umass.edu>
2690
2691         * config/m32r/m32r-protos.h: Remove the prototypes for
2692         call_address_operand, symbolic_operand, seth_add3_operand,
2693         cmp_int16_operand, uint16_operand, reg_or_int16_operand,
2694         reg_or_uint16_operand, reg_or_cmp_int16_operand,
2695         two_insn_const_operand, move_src_operand,
2696         move_double_src_operand, move_dest_operand,
2697         eqne_comparison_operator, signed_comparison_operator,
2698         large_insn_p, conditional_move_operand, carry_compare_operand,
2699         m32r_block_immediate_operand, extend_operand,
2700         reg_or_eq_int16_operand, int8_operand, and
2701         reg_or_zero_operand.
2702         * config/m32r/m32r.c (call_address_operand, symbolic_operand,
2703         seth_add3_operand, int8_operand, cmp_int16_operand,
2704         uint16_operand, reg_or_int16_operand, reg_or_uint16_operand,
2705         reg_or_eq_int16_operand, reg_or_cmp_int16_operand,
2706         reg_or_zero_operand, two_insn_const_operand, move_src_operand,
2707         move_double_src_operand, move_dest_operand,
2708         eqne_comparison_operator, signed_comparison_operator,
2709         extend_operand, small_insn_p, large_insn_p,
2710         conditional_move_operand, carry_compare_operand,
2711         m32r_block_immediate_operand): Move to predicates.md.
2712         (MAX_MOVE_BYTES): Move to m32r.h.
2713         * config/m32r/m32r.h (PREDICATE_CODES): Remove.
2714         * config/m32r/m32r.md: Include predicates.md.
2715         * config/m32r/predicates.md: New.
2716
2717         * config/pa/pa-protos.h: Add prototypes for magic_milli and
2718         shadd_constant_p.
2719         * config/pa/pa.c (reg_or_0_operand, call_operand_address,
2720         symbolic_operand, symbolic_memory_operand,
2721         reg_or_0_or_nonsymb_mem_operand, reg_before_reload_operand,
2722         indexed_memory_operand, move_dest_operand, move_src_operand,
2723         prefetch_cc_operand, prefetch_nocc_operand,
2724         reg_or_cint_move_operand, pic_label_operand, fp_reg_operand,
2725         arith_operand, arith11_operand, pre_cint_operand,
2726         post_cint_operan, arith_double_operand, ireg_or_int5_operand,
2727         ireg_operand, int5_operand, uint5_operand, int11_operand,
2728         uint32_operand, arith5_operand, and_operand, ior_operand,
2729         lhs_lshift_operand, lhs_lshift_cint_operand, arith32_operand,
2730         pc_or_label_operand, div_operand, plus_xor_ior_operator,
2731         shadd_operand, movb_comparison_operator,
2732         cmpib_comparison_operator): Move to predicates.md.
2733         (magic_milli, shadd_constant_p): Make it extern.
2734         * config/pa/pa.h (PREDICATE_CODES): Remove.
2735         * config/pa/pa.md: Include predicates.md.
2736         * config/pa/predicates.md: New.
2737
2738         * config/v850/v850.h (PREDICATE_CODES): Remove a nonexistent
2739         predicate.
2740
2741 2005-03-18  Kazu Hirata  <kazu@cs.umass.edu>
2742
2743         * hooks.c, hooks.h, intl.c, opts.h, prefix.c, tree-gimple.c,
2744         config/alpha/ev4.md, config/alpha/ev5.md, config/alpha/ev6.md,
2745         config/alpha/freebsd.h, config/alpha/linux.h,
2746         config/alpha/netbsd.h, config/alpha/osf5.h,
2747         config/alpha/vms.h, config/arc/arc.c, config/arc/arc.h,
2748         config/h8300/h8300-protos.h, config/h8300/h8300.c,
2749         config/h8300/h8300.h, config/ia64/unwind-ia64.c,
2750         doc/cppopts.texi: Update copyright.
2751
2752 2005-03-18  Jan Hubicka  <jh@suse.cz>
2753
2754         PR middle-end/20225
2755         * cgraph.c (cgraph_mark_reachable_node): Assert that it is not called
2756         too late.
2757         * varasm.c (find_decl_and_mark_needed): Mark needed only when not
2758         called too late.
2759
2760 2005-03-18  Kazu Hirata  <kazu@cs.umass.edu>
2761
2762         * tree-into-ssa.c (find_idf): Use VEC_quick_push instead of
2763         VEC_safe_push.
2764
2765 2005-03-18  Paolo Bonzini  <bonzini@gnu.org>
2766
2767         * combine.c (gen_binary): Remove.
2768         (known_cond, simplify_shift_const, find_split_point,
2769         combine_simplify_rtx, simplify_if_then_else, simplify_set,
2770         simplify_logical, expand_field_assignment, extract_left_shift,
2771         force_to_mode, if_then_else_cond, apply_distributive_law,
2772         simplify_and_const_int, simplify_shift_const, gen_lowpart_for_combine,
2773         simplify_comparison, reversed_comparison): Replace with
2774         simplify_gen_binary, simplify_gen_relational or
2775         distribute_and_simplify_rtx.
2776         (distribute_and_simplify_rtx): New function.
2777
2778 2005-03-18  Alexey Neyman  <alex.neyman@auriga.ru>
2779             Paolo Bonzini  <gcc.gnu.org>
2780
2781         * calls.c (setjmp_call_p, special_function_p): Update comments
2782         at the head of the functions.
2783
2784 2005-03-18  Jan Hubicka  <jh@suse.cz>
2785
2786         * tree-cfg.c (fold_cond_expr_cond): Use boolean types for condition.
2787
2788         * cgraph.c (cgraph_remove_node): Avoid loop in code deciding whether
2789         function body should be released; do not proactively release function
2790         bodies in non-unit-at-a-time mode.
2791
2792 2005-03-18  Ralf Corsepius  <ralf.corsepius@rtems.org>
2793
2794         * config/i386/t-rtems-i386 (MULTILIBS): Remove k6, athlon,
2795         mno-fp-ret-in-387 multilib variants.
2796
2797 2005-03-18  Richard Sandiford  <rsandifo@redhat.com>
2798
2799         * common.opt (m): Remove.
2800         * opts.c (handle_option): Pass 'm' options to set_target_switch if
2801         table lookup fails.
2802         (common_handle_option): Remove OPT_m case.
2803
2804 2005-03-18  Kazu Hirata  <kazu@cs.umass.edu>
2805
2806         * builtins.c (fold_builtin_bitop): Take decomposed arguments
2807         of CALL_EXPR.
2808         (fold_builtin_1): Update a call to fold_builtin_bitop.
2809
2810         * builtins.c (fold_builtin_signbit): Take decomposed arguments
2811         of CALL_EXPR.
2812         (fold_builtin_1): Update a call to fold_builtin_signbit.
2813
2814 2005-03-17  Dorit Naishlos  <dorit@il.ibm.com>
2815
2816         PR tree-optimization/20474
2817         * tree-vect-analyze.c (vect_analyze_pointer_ref_access): Check the
2818         size_type of the relevant pointer. Check for COMPLETE_TYPE_P.
2819
2820 2005-03-17  Kazu Hirata  <kazu@cs.umass.edu>
2821
2822         * config/h8300/h8300-protos.h: Remove prototypes for
2823         general_operand_src, general_operand_dst, single_one_operand,
2824         single_zero_operand, call_insn_operand,
2825         two_insn_adds_subs_operand, small_call_insn_operand,
2826         jump_address_operand, bit_operand, bit_memory_operand,
2827         stack_pointer_operand, const_int_gt_2_operand,
2828         const_int_ge_8_operand, const_int_qi_operand,
2829         const_int_hi_operand, incdec_operand, bit_operator,
2830         nshift_operator, eqne_operator, gtle_operator,
2831         gtuleu_operator, iorxor_operator.
2832         Add prototypes for h8sx_shift_type h8sx_classify_shift and
2833         h8300_ldm_stm_parallel.
2834         * config/h8300/h8300.c (h8sx_shift_type,): Move to
2835         h8300-protos.h.
2836         (SYMBOL_FLAG_FUNCVEC_FUNCTION, SYMBOL_FLAG_EIGHTBIT_DATA,
2837         SYMBOL_FLAG_TINY_DATA): Move to h8300.h.
2838         (h8300_ldm_stm_parallel): Make it extern.
2839         (h8300_ldm_parallel, h8300_stm_parallel,
2840         h8300_return_parallel, general_operand_src,
2841         general_operand_dst, h8300_dst_operand, h8300_src_operand,
2842         nibble_operand, reg_or_nibble_operand, single_one_operand,
2843         single_zero_operand, call_insn_operand,
2844         two_insn_adds_subs_operand, small_call_insn_operand,
2845         jump_address_operand, bit_operand, bit_memory_operand,
2846         stack_pointer_operand, const_int_gt_2_operand,
2847         const_int_ge_8_operand, const_int_qi_operand,
2848         const_int_hi_operand, incdec_operand, eqne_operator,
2849         gtle_operator, gtuleu_operator, iorxor_operator, bit_operator,
2850         h8sx_binary_memory_operator, h8sx_unary_memory_operator,
2851         h8sx_unary_shift_operator, h8sx_binary_shift_operator,
2852         nshift_operator): Move to predicates.md.
2853         * config/h8300/h8300.h (PREDICATE_CODES): Remove.
2854         * config/h8300/h8300.md: Include predicates.md.
2855         * config/h8300/predicates.md: New.
2856
2857 2005-03-17  Richard Henderson  <rth@redhat.com>
2858
2859         * config.gcc (ia64*-*-hpux*): Add extra_options.
2860         * config/ia64/hpux.h (SUBTARGET_SWITCHES): Remove.
2861         (TARGET_DEFAULT): Remove MASK_INLINE_FLOAT_DIV_THR.
2862         * config/ia64/ia64.c (ia64_fixed_range_string): Remove.
2863         (ia64_tls_size_string, ia64_tune_string): Remove.
2864         (ia64_tune): Init to PROCESSOR_ITANIUM2.
2865         (TARGET_DEFAULT_TARGET_FLAGS): New.
2866         (TARGET_HANDLE_OPTION): New.
2867         (ia64_override_options): Move options parsing ...
2868         (ia64_handle_option): ... here.  New.
2869         * config/ia64/ia64.h (target_flags, MASK_BIG_ENDIAN, MASK_GNU_AS,
2870         MASK_GNU_LD, MASK_NO_PIC, MASK_VOL_ASM_STOP, MASK_ILP32,
2871         MASK_REG_NAMES, MASK_NO_SDATA, MASK_CONST_GP, MASK_AUTO_PIC,
2872         MASK_INLINE_FLOAT_DIV_LAT, MASK_INLINE_FLOAT_DIV_THR,
2873         MASK_INLINE_INT_DIV_LAT, MASK_INLINE_INT_DIV_THR,
2874         MASK_INLINE_SQRT_LAT, MASK_INLINE_SQRT_THR, MASK_DWARF2_ASM,
2875         MASK_EARLY_STOP_BITS, TARGET_BIG_ENDIAN, TARGET_GNU_AS, TARGET_GNU_LD,
2876         TARGET_NO_PIC, TARGET_VOL_ASM_STOP, TARGET_ILP32, TARGET_REG_NAMES,
2877         TARGET_NO_SDATA, TARGET_CONST_GP, TARGET_AUTO_PIC,
2878         TARGET_INLINE_FLOAT_DIV_LAT, TARGET_INLINE_FLOAT_DIV_THR,
2879         TARGET_INLINE_INT_DIV_LAT, TARGET_INLINE_INT_DIV_THR,
2880         TARGET_INLINE_FLOAT_DIV, TARGET_INLINE_INT_DIV, TARGET_INLINE_SQRT_LAT,
2881         TARGET_INLINE_SQRT_THR, TARGET_INLINE_SQRT, TARGET_DWARF2_ASM,
2882         TARGET_EARLY_STOP_BITS): Remove.
2883         (TARGET_ILP32): Default false.
2884         (TARGET_SWITCHES, SUBTARGET_SWITCHES, TARGET_OPTIONS): Remove.
2885         (enum ia64_inline_type): New.
2886         (TARGET_DEFAULT): Remove MASK_INLINE_FLOAT_DIV_THR.
2887         * config/ia64/ia64.md: Update for new definitions of
2888         TARGET_INLINE_INT_DIV, TARGET_INLINE_FLOAT_DIV, TARGET_INLINE_SQRT.
2889         * config/ia64/ia64.opt: New file.
2890         * config/ia64/ilp32.opt: New file.
2891
2892 2005-03-17  H.J. Lu  <hongjiu.lu@intel.com>
2893
2894         PR target/18380
2895         * config/ia64/unwind-ia64.c (_Unwind_FindTableEntry): Removed.
2896
2897 2005-03-17  Kazu Hirata  <kazu@cs.umass.edu>
2898
2899         * config/h8300/h8300.c (h8300_init_once): Use MASK_H8300S_1
2900         instead of MASK_H8300S.
2901         * config/h8300/h8300.h (target_flags, MASK_H8300S, MASK_MAC,
2902         MASK_INT32, MASK_ADDRESSES, MASK_QUICKCALL, MASK_SLOWBYTE,
2903         MASK_NORMAL_MODE, MASK_RELAX, MASK_H8300H, MASK_ALIGN_300,
2904         MASK_H8300SX, TARGET_INT32, TARGET_ADDRESSES,
2905         TARGET_QUICKCALL, TARGET_SLOWBYTE, TARGET_H8300H,
2906         TARGET_H8300XS, TARGET_NORMAL_MODE, TARGET_ALIGN_300,
2907         TARGET_SWITCHES): Remove.
2908         (TARGET_H8300S): Redefine interms of TARGET_H8300S_1 and
2909         TARGET_H8300SX.
2910         * config/h8300/h8300.opt: New.
2911
2912         * config/alpha/alpha.opt, config/arc/arc.opt,
2913         config/h8300/h8300.opt, config/mips/mips.opt: Add copyright
2914         notices.
2915
2916 2005-03-17  Ian Lance Taylor  <ian@airs.com>
2917
2918         * gmon.c: Remove.
2919
2920 2005-03-17  Richard Sandiford  <rsandifo@redhat.com>
2921
2922         * config/arc/arc.c (arc_cpu_string): Make static.  Default to "base"
2923         (arc_text_string, arc_data_string, arc_rodata_string): Make static.
2924         (TARGET_HANDLE_OPTION): Override default.
2925         (arc_handle_option): New function.
2926         (arc_init): Remove code to set arch_cpu_string.
2927         * config/arc/arc.h (target_flags, TARGET_MASK_MANGLE_CPU)
2928         (TARGET_MANGLE_CPU, TARGET_MASK_MANGLE_CPU_LIBGCC)
2929         (TARGET_MANGLE_CPU_LIBGCC, TARGET_MASK_ALIGN_LOOPS, TARGET_ALIGN_LOOPS)
2930         (TARGET_MASK_BIG_ENDIAN, TARGET_BIG_ENDIAN, TARGET_MASK_NO_COND_EXEC)
2931         (TARGET_NO_COND_EXEC, TARGET_SWITCHES, TARGET_DEFAULT)
2932         (SUBTARGET_SWITCHES, arc_cpu_string, arc_text_string, arc_data_string)
2933         (arc_rodata_string, TARGET_OPTIONS): Delete.
2934         * config/arc/arc.opt: New file.
2935
2936 2005-03-17  Richard Henderson  <rth@redhat.com>
2937
2938         * doc/extend.texi (Weak Pragmas): New section.
2939         (attribute alias): Clarify that target must be in the same
2940         translation unit.
2941
2942 2005-03-17  Richard Henderson  <rth@redhat.com>
2943
2944         * config/alpha/alpha.opt: New file.
2945         * config/alpha/alpha.c (alpha_tune): New.  Rename all existing uses
2946         of alpha_cpu.
2947         (alpha_cpu_string, alpha_tune_string, alpha_tp_string,
2948         alpha_fprm_string, alpha_fptm_string): Make static.
2949         (alpha_tls_size_string): Remove.
2950         (alpha_handle_option): New.
2951         (override_options): Update for alpha_cpu/alpha_tune split.
2952         (alpha_file_start): Likewise.
2953         (TARGET_DEFAULT_TARGET_FLAGS): New.
2954         (TARGET_HANDLE_OPTION): New.
2955         * config/alpha/alpha.h (alpha_tune): Declare.
2956         (MASK_FP, MASK_FPREGS, TARGET_FPREGS, MASK_GAS, TARGET_GAS,
2957         MASK_IEEE_CONFORMANT, TARGET_IEEE_CONFORMANT, MASK_IEEE, TARGET_IEEE,
2958         MASK_IEEE_WITH_INEXACT, TARGET_IEEE_WITH_INEXACT, MASK_BUILD_CONSTANTS,
2959         TARGET_BUILD_CONSTANTS, MASK_FLOAT_VAX, TARGET_FLOAT_VAX, MASK_BWX,
2960         TARGET_BWX, MASK_MAX, TARGET_MAX, MASK_FIX, TARGET_FIX, MASK_CIX,
2961         TARGET_CIX, MASK_EXPLICIT_RELOCS, TARGET_EXPLICIT_RELOCS,
2962         MASK_SMALL_DATA, TARGET_SMALL_DATA, MASK_TLS_KERNEL, TARGET_TLS_KERNEL,
2963         MASK_SMALL_TEXT, TARGET_SMALL_TEXT, MASK_LONG_DOUBLE_128,
2964         TARGET_LONG_DOUBLE_128, MASK_CPU_EV5, TARGET_CPU_EV5, MASK_CPU_EV6,
2965         TARGET_CPU_EV6, MASK_SUPPORT_ARCH): Remove.
2966         (TARGET_SWITCHES, TARGET_OPTIONS): Remove.
2967         (TARGET_DEFAULT): Remove MASK_FP.
2968         (TARGET_FP): Redefined based on TARGET_SOFT_FP.
2969         (TARGET_SUPPORT_ARCH): Default on if HAVE_AS_EXPLICIT_RELOCS.
2970         (alpha_cpu_string, alpha_tune_string, alpha_fprm_string,
2971         alpha_fptm_string, alpha_tp_string, alpha_mlat_string,
2972         alpha_tls_size_string): Remove.
2973         * config/alpha/alpha.md (prefetch): Use alpha_cpu.
2974         (attribute tune): Rename from attribute cpu.
2975         * config/alpha/ev4.md: Update to match.
2976         * config/alpha/ev5.md, config/alpha/ev6.md: Likewise.
2977         * config/alpha/freebsd.h (TARGET_DEFAULT): Remove MASK_FP.
2978         * config/alpha/linux.h (TARGET_DEFAULT): Likewise.
2979         * config/alpha/netbsd.h (TARGET_DEFAULT): Likewise.
2980         * config/alpha/osf5.h (TARGET_DEFAULT): Likewise.
2981         * config/alpha/vms.h (TARGET_DEFAULT): Likewise.
2982
2983 2005-03-16  James E. Wilson  <wilson@specifixinc.com>
2984
2985         * config/ia64/ia64.c (issue_nops_and_insn): Check first_insn attribute,
2986         and return without creating new state if before_nops_num is nonzero.
2987         * config/ia64/ia64.md (first_insn): New attribute.
2988         (alloc): Set it to yes.
2989
2990 2005-03-16  Daniel Berlin  <dberlin@dberlin.org>
2991
2992         * tree-vectorizer.c (new_vec_stmt_info): Initialize
2993         STMT_VINFO_SUBVARS to NULL.
2994         * tree-vect-analyze.c (vect_analyze_data_refs): Ditto.
2995
2996 2005-03-16 Dale Johannesen  <dalej@apple.com>
2997
2998         * rtlanal.c (find_first_parameter_load):  Rewrite to
2999         return actual first param load or the call if none,
3000         instead of first in block, when not all loads exist.
3001
3002 2005-03-16  Roger Sayle  <roger@eyesopen.com>
3003
3004         * optabs.c (expand_copysign_absneg): Make static.
3005         * optabs.h (expand_copysign_absneg): Delete prototype.
3006         * config/rs6000/rs6000.md (copysigntf3): Delete pattern.
3007
3008 2005-03-16  Richard Henderson  <rth@redhat.com>
3009
3010         PR middle-end/15700
3011         * varasm.c (struct alias_pair): Rename from struct output_def_pair.
3012         (alias_pairs): Rename from output_defs.
3013         (find_decl_and_mark_needed): Split out from assemble_alias.
3014         (do_assemble_alias): New.
3015         (assemble_output_def): Remove.
3016         (finish_aliases_1, finish_aliases_2): New.
3017         (process_pending_assemble_output_defs): Remove.
3018         (assemble_alias): Defer aliases for which we don't yet have a
3019         non-external decl for the target symbol.
3020         * passes.c (rest_of_decl_compilation): Register variables with cgraph.
3021         * cgraphunit.c (cgraph_finalize_compilation_unit): Use finish_aliases_1.
3022         * toplev.c (compile_file): Use finish_aliases_2 instead of
3023         process_pending_assemble_output_defs.
3024         * tree.h (finish_aliases_1, finish_aliases_2): Declare.
3025         (process_pending_assemble_output_defs): Remove.
3026
3027 2005-03-16  Daniel Berlin  <dberlin@dberlin.org>
3028
3029         Fix PR tree-optimization/20489
3030
3031         * tree-ssa-alias.c (push_fields_onto_fieldstack): DTRT
3032         for empty structures.
3033
3034 2005-03-16  Daniel Berlin  <dberlin@dberlin.org>
3035
3036         Fix PR tree-optimization/20490
3037
3038         * tree-ssa-pre.c (create_expression_by_pieces): Use
3039         force_gimple_operand on result of fold.
3040
3041 2005-03-16  Andrew Pinski  <pinskia@physics.uc.edu>
3042
3043         * config/i386/emmintrin.h (_mm_extract_epi16): Correct the number
3044         of closing parenthesis.
3045
3046 2005-03-16  Kazu Hirata  <kazu@cs.umass.edu>
3047
3048         * builtins.c (expand_movstr): Update a call to
3049         fold_builtin_strcpy.
3050         (expand_builtin_strncpy): Update a call to
3051         fold_builtin_strncpy.
3052         (fold_builtin_strcpy, fold_builtin_strncpy): Take decomosed
3053         arguments of CALL_EXPR.
3054         (fold_builtin_1): Update calls to fold_builtin_strcpy and
3055         fold_builtin_strncpy.
3056         * tree-ssa-ccp.c (ccp_fold_builtin): Likewise.
3057         * tree.h: Update the prototypes of fold_builtin_strcpy and
3058         fold_builtin_strncpy.
3059
3060 2005-03-16  Steven Bosscher  <stevenb@suse.de>
3061             Dorit Naishlos  <dorit@il.ibm.com>
3062
3063         * tree-vect-analyze.c (vect_enhance_data_refs_alignment): Copy
3064         UNITS_PER_SIMD_WORD to a local variable to avoid a "division by zero"
3065         error.
3066
3067 2005-03-16  Steven Bosscher  <stevenb@suse.de>
3068
3069         * tree-inline.c (walk_type_fields, walk_tree,
3070         walk_tree_without_duplicates): Move from here...
3071         * tree.c: ...to here.
3072
3073 2005-03-15  Zack Weinberg  <zack@codesourcery.com>
3074
3075         * BASE-VER, DATESTAMP, DEV-PHASE: New files.
3076         * Makefile.in (gcc_version, gcc_version_trigger, ): Delete.
3077         (BASEVER, DEVPHASE, DATESTAMP, BASEVER_c, DEVPHASE_c, DATESTAMP_c)
3078         (BASEVER_s, DEVPHASE_s, DATESTAMP_s): New variables.
3079         (version): Define using $(BASEVER_c).
3080         (Makefile, config.status, build/gcov-iov.o): No longer depends on
3081         version.c.
3082         (version.o): Depend on version files; add custom generation command.
3083         (prefix.o): Define BASEVER on command line.
3084         (s-iov): Depend on version files; adjust command.
3085         (TEXI_CPP_FILES, TEX_IGCC_FILES, TEXI_GCCINT_FILES, TEXI_CPPINT_FILES):
3086         Add gcc-vers.texi.
3087         (gcc-vers.texi): New rule.
3088         (doc/%.info, doc/%.dvi): Add -I . to command line.
3089         (doc/gccinstall.dvi): Likewise.
3090         (PACKAGE): Delete.  All uses replaced with "gcc".
3091         * aclocal.m4: Do not include gcc-version.m4.
3092         * configure.ac: Do not invoke TL_AC_GCC_VERSION.
3093         Do not AC_SUBST nor AC_DEFINE PACKAGE or VERSION.
3094         Set is_release based on contents of DEV-PHASE.
3095         Set gcc_version based on contents of BASE-VER.
3096         Define WIN32_REGISTRY_KEY only if the user overrode the default.
3097         * config.in, configure: Regenerate.
3098         * gccbug.in: Determine version of GCC in use at runtime.
3099         * gcov-iov.c: Get version number and development phase from
3100         command line, not by including version.c.
3101         * intl.c: Replace all uses of PACKAGE with "gcc".
3102         * libada-mk.in: Delete unused "gcc_version" variable.
3103         * prefix.c: Default WIN32_REGISTRY_KEY to BASEVER.
3104         * version.c: (VERSUFFIX): New hook for redistributors; adjust
3105         commentary to match.
3106         (version_string): Put together from pieces.
3107         * config/alpha/x-vms: Do not use $(gcc_version).
3108         * config/i386/t-nwld: Likewise.
3109         * doc/include/gcc-common.texi: Include gcc-vers.texi for
3110         version-GCC and DEVELOPMENT.
3111
3112 2005-03-15  Roger Sayle  <roger@eyesopen.com>
3113
3114         PR tree-optimization/17454
3115         * tree.c (tree_size): Add case for TREE_BINFO.
3116         * fold-const.c (fold_checksum_tree): Only clear the overloaded
3117         field TYPE_CACHED_VALUES if TYPE_CACHED_VALUES_P is set.
3118
3119 2005-03-15  Roger Sayle  <roger@eyesopen.com>
3120
3121         * optabs.c (expand_doubleword_mult): Avoid clobbering op0 and
3122         op1 whilst expanding the signed widenening multiply variant.
3123
3124 2005-03-15  Richard Sandiford  <rsandifo@redhat.com>
3125
3126         * toplev.c (display_target_options): Avoid unused variable warning if
3127         TARGET_SWITCHES and TARGET_OPTIONS are both undefined.
3128         * config/mips/mips.c (mips_arch_string, mips_tune_string): Make static.
3129         (mips_isa_string, mips_abi_string, mips_fix_vr4130_string): Delete.
3130         (mips_isa): Initialize to MIPS_ABI_DEFAULT.
3131         (mips_isa_info): New variable.
3132         (mips_parse_cpu): Remove the first argument and leave the caller
3133         to report errors.
3134         (TARGET_HANDLE_OPTION): Override default.
3135         (mips_handle_option): New function.  Move option validation code from...
3136         (override_options): ...here.  Update calls to mips_parse_cpu.
3137         * config/mips/mips.h (mips_arch_string, mips_tune_string)
3138         (mips_isa_string, mips_abi_string, TARGET_OPTIONS)
3139         (SUBTARGET_TARGET_OPTIONS): Delete.
3140         * config/mips/mips.opt (mabi=, march=, mflush-func=, mips)
3141         (mno-flush-func, mtune=): New options.
3142
3143 2005-03-15  Roger Sayle  <roger@eyesopen.com>
3144             Richard Henderson  <rth@redhat.com>
3145
3146         * real.c (c4x_single_format, c4x_extended_format): Provide values
3147         for signbit_ro for c4x's single and extended floating point formats.
3148         * optabs.c (expand_copysign): Use the floating point format's
3149         signbit_ro for expanding via expand_copysign_absneg, and it's
3150         signbit_rw field for expanding via expand_copysign_bit.
3151
3152 2005-03-15  Dorit Naishlos  <dorit@il.ibm.com>
3153
3154         * tree-vectorizer.h (unknown_alignment_for_access_p): Replaced by
3155         known_alignment_for_access_p.
3156         (known_alignment_for_access_p): New.
3157         (do_peeling_for_alignment): Field made int instead of bool and renamed
3158         to peeling_for_alignment.
3159         (LOOP_DO_PEELING_FOR_ALIGNMENT): Renamed to LOOP_PEELING_FOR_ALIGNMENT.
3160         * tree-vect-analyze.c (vect_determine_vectorization_factor): New. This
3161         functionality used to be in vect_analyze_operations.
3162         (vect_analyze_operations): Code to determine vectorization factor was
3163         moved to vect_determine_vectorization_factor.
3164         (vect_enhance_data_refs_alignment): Update to correct alignment when it
3165         is known instead of -1.  Set LOOP_PEELING_FOR_ALIGNMENT to peeling
3166         factor.
3167         (vect_analyze_loop): Call vect_determine_vectorization_factor (used to
3168         be part of vect_analyze_operations).
3169         * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Use fold when
3170         creating the guard condition, as the number of iterations may be
3171         constant.
3172         (slpeel_tree_peel_loop_to_edge): Use new name of
3173         LOOP_DO_PEELING_FOR_ALIGNMENT. Set it to 0 instead of false.
3174         * tree-vect-transform.c (vect_gen_niters_for_prolog_loop): Handle known
3175         alignment case more efficiently. Use LOOP_PEELING_FOR_ALIGNMENT.
3176         (vect_do_peeling_for_alignment): Use fold.
3177         (vect_transform_loop): Use new name of LOOP_DO_PEELING_FOR_ALIGNMENT.
3178
3179         (vect_update_inits_of_dr): Renamed to
3180         vect_update_init_of_dr.
3181         (vect_update_inits_of_drs): Use new name of vect_update_inits_of_dr.
3182         (vectorizable_store): Fix assertion to use == instead of =.
3183
3184 2005-03-15  Daniel Jacobowitz  <dan@codesourcery.com>
3185
3186         * config/arm/arm.h (CONDITIONAL_REGISTER_USAGE): Don't clear
3187         call_used_regs for wCG registers.
3188
3189 2005-03-15  Ulrich Weigand  <uweigand@de.ibm.com>
3190
3191         * config/s390/s390.c (s390_secondary_output_reload_class): Adapt check
3192         for non-offsettable memory references to cope with outstanding reload
3193         replacements, take 2.
3194
3195 2005-03-15  Uros Bizjak  <uros@kss-loka.si>
3196
3197         PR target/18668
3198         * config/i386/i386.h (x86_fisttp): New.
3199         (TARGET_FISTTP): New macro.
3200         * config/i386/i386.c (x86_fisttp): Set for NOCONA.
3201         (output_fix_trunc): Add fisttp parameter.  Generate fisttp x87
3202         instruction when fisttp flag is set.
3203         * config/i386/i386-protos.h (output_fix_trunc): Change declaration.
3204
3205         * config/i386/i386.md (type attribute): Add fisttp.
3206         (unit attribute): Set to i387 for fisttp type.
3207         (X87MODEF, X87MODEI, SSEMODEF, SSEMODEI24): New mode macros.
3208         (fix_truncxfdi2, fix_truncxfsi2): Generate fisttp patterns for
3209         TARGET_FISTTP.
3210         (fix_truncdfdi2, fix_truncsfdi2, fix_truncdfsi2, fix_truncsfsi2):
3211         Generate fisttp patterns for TARGET_FISTTP. Implement using mode
3212         macros.
3213         (fix_truncxfhi2, fix_truncdfhi2, fix_truncsfhi2): Generate fisttp
3214         patterns for TARGET_FISTTP.  Enable patterns for
3215         (TARGET_FISTTP && !TARGET_SSE_MATH). Implement using mode macros.
3216         (fix_trunc<mode>_i387_fisttp_1, fix_trunc<mode>_i387_fisttp,
3217         fix_trunc<mode>_i387_fisttp_with_temp): New instruction patterns to
3218         implement fisttp x87 insn.
3219         (fix_trunc*_i387_fisttp splitters): New patterns.
3220         (*fix_truncdi_i387, *fix_truncsi_i387, *fix_trunchi_i387):
3221         Rename to *fix_trunc<mode>_i387_1.  Implement using mode macros.
3222         Disable patterns for TARGET_FISTTP.  Add comment about FLAGS_REG
3223         clobber.
3224         (fix_truncdi_memory, fix_truncdi_nomemory, fix_trunchi_nomemory):
3225         Rename to fix_trunc<mode>_i387 and fix_trunc<mode>_i387_with_temp.
3226         Implement using mode macros. Disable patterns for TARGET_FISTTP.
3227         (fix_truncsi_memory, fix_truncsi_nomemory, fix_trunchi_memory,
3228         fix_trunchi_nomemory): Rename to fix_trunc<mode>_i387 and
3229         fix_trunc<mode>_i387_with_temp. Implement using mode macros.
3230         Disable patterns for TARGET_FISTTP.
3231         (fix_trunc*_i387 splitters): Implement usign mode macros.
3232         (fix_truncdfdi_sse, fix_truncsfdi_sse, fix_truncdfsi_sse,
3233         fix_truncsfsi_sse): Disable for (TARGET_FISTTP && !TARGET_SSE_MATH).
3234         (fix_trunx*_sse peephole2s): Implement using mode macros.
3235
3236 2005-03-15  J"orn Rennecke <joern.rennecke@st.com>
3237
3238         PR rtl-optimization/20291
3239         * combine.c (try_combine): If splitting fails, re-try with
3240         original combined pattern, i.e. before clobber stripping.
3241
3242 2005-03-14  Eric Christopher  <echristo@redhat.com>
3243
3244         * config/mips/mips.h (DWARF_CIE_DATA_ALIGNMENT): Change for
3245         STACK_GROWS_DOWNWARD.
3246
3247 2005-03-14  Roger Sayle  <roger@eyesopen.com>
3248
3249         * real.h (struct real_format): Split the signbit field into two
3250         two fields, signbit_ro and signbit_rw.
3251         * real.c (ieee_single_format, mips_single_format, ieee_double_format,
3252         mips_double_format, ieee_extended_motorola_format,
3253         ieee_extended_intel_96_format, ieee_extended_intel_96_round_53_format,
3254         ieee_extended_intel_128_format, ibm_extended_format,
3255         mips_extended_format, ieee_quad_format, mips_quad_format,
3256         vax_f_format, vax_d_format, vax_g_format, i370_single_format,
3257         i370_double_format, c4x_single_format, c4x_extended_format,
3258         real_internal_format): Update initializers for new field.
3259         * builtins.c (expand_builtin_signbit): Use signbit_ro field of the
3260         real_format structure.
3261         * optabs.c (expand_absneg_bit, expand_copysign): Use signbit_rw
3262         field of the real_format structure.
3263
3264 2005-03-14  Daniel Berlin <dberlin@dberlin.org>
3265
3266         Fix PR tree-optimization/20458
3267
3268         * tree-flow-inline.h (mark_call_clobbered): Don't fiddle
3269         DECL_EXTERNAL on STRUCT_FIELD tags.
3270         (clear_call_clobbered): Ditto.
3271         * tree-ssa-operands.c (note_addressable): Make sure the original
3272         variable doesn't slip into the addressable list if we have
3273         subvars.
3274         * tree-tailcall.c (suitable_for_tail_opt_p): Look at STRUCT_FIELD
3275         tags too.
3276
3277 2005-03-14  Geoffrey Keating  <geoffk@apple.com>
3278
3279         * doc/cppopts.texi (-fexec-charset): Add concept index entry.
3280         (-fwide-exec-charset): Likewise.
3281         (-finput-charset): Likewise.
3282         * doc/invoke.texi (Warning Options): Document -Wnormalized=.
3283         * c-opts.c (c_common_handle_option): Handle -Wnormalized=.
3284         * c.opt (Wnormalized): New.
3285
3286 2005-03-14  Devang Patel  <dpatel@apple.com>
3287
3288         * doc/invoke.texi: Add reference to Visibility document.
3289
3290 2005-03-14  Richard Sandiford  <rsandifo@redhat.com>
3291
3292         * config.gcc (mips*-*-*): Rename MASK_SPLIT_ADDRS to
3293         MASK_SPLIT_ADDRESSES.
3294         * config/mips/mips.h (target_flags, mips_fix_vr4130_string): Delete.
3295         (MASK_INT64, MASK_LONG64, MASK_SPLIT_ADDR, MASK_NO_FUSED_MADD)
3296         (MASK_EXPLICIT_RELOCS, MASK_MEMCPY, MASK_SOFT_FLOAT)
3297         (MASK_FLOAT64, MASK_ABICALLS, MASK_XGOT, MASK_LONG_CALLS)
3298         (MASK_64BIT, MASK_EMBEDDED_DATA, MASK_BIG_ENDIAN)
3299         (MASK_SINGLE_FLOAT, MASK_MAD, MASK_4300_MUL_FIX, MASK_MIPS16)
3300         (MASK_NO_CHECK_ZERO_DIV, MASK_BRANCHLIKELY)
3301         (MASK_UNINIT_CONST_IN_RODATA, MASK_FIX_R4000, MASK_FIX_R4400)
3302         (MASK_FIX_SB1, MASK_FIX_VR4120, MASK_VR4130_ALIGN)
3303         (MASK_FP_EXCEPTIONS, MASK_DIVIDE_BREAKS, MASK_PAIRED_SINGLE)
3304         (MASK_MIPS3D, MASK_SYM32, MASK_DEBUG, MASK_DEBUG_D)
3305         (MASK_MIPS_TFILE, TARGET_INT64, TARGET_LONG64, TARGET_FLOAT64)
3306         (TARGET_64BIT, TARGET_SPLIT_ADDRESSES, TARGET_DEBUG_MODE)
3307         (TARGET_DEBUG_D_MODE, TARGET_MEMCPY, TARGET_ABICALLS)
3308         (TARGET_XGOT, TARGET_SOFT_FLOAT, TARGET_HARD_FLOAT)
3309         (TARGET_LONG_CALLS, TARGET_EMBEDDED_DATA)
3310         (TARGET_UNINIT_CONST_IN_RODATA, TARGET_BIG_ENDIAN)
3311         (TARGET_SINGLE_FLOAT, TARGET_DOUBLE_FLOAT, TARGET_MAD)
3312         (TARGET_FUSED_MADD, TARGET_4300_MUL_FIX, TARGET_CHECK_ZERO_DIV)
3313         (TARGET_DIVIDE_TRAPS, TARGET_BRANCHLIKELY, TARGET_FIX_SB1)
3314         (TARGET_FIX_R4000, TARGET_FIX_R4400, TARGET_FIX_VR4120)
3315         (TARGET_FIX_VR4130, TARGET_VR4130_ALIGN, TARGET_FP_EXCEPTIONS)
3316         (TARGET_PAIRED_SINGLE_FLOAT, TARGET_MIPS3D, TARGET_SYM32)
3317         (TARGET_EXPLICIT_RELOCS): Delete.
3318         (TARGET_SWITCHES, SUBTARGET_TARGET_SWITCHES): Delete.
3319         (TARGET_OPTIONS): Remove entry for -mfix-vr4130.
3320         * config/mips/mips.c (TARGET_DEFAULT_TARGET_FLAGS): Define.
3321         (override_options): Set MASK_LONG64 if -mint64 is given and no
3322         -mlongXX option is.  Complain about -mint64 -mlong32.
3323         (override_options, CMP_BUILTINS, mips_bdesc, sb1_desc): Rename
3324         MASK_PAIRED_SINGLE to MASK_PAIRED_SINGLE_FLOAT.
3325         * config/mips/mips.opt: New file.
3326
3327 2005-03-14  Richard Sandiford  <rsandifo@redhat.com>
3328
3329         * config.gcc (extra_options): New variable for listing option files.
3330         Add ${cpu_type}/${cpu_type}.opt to it if that file exists.
3331         * configure.ac (extra_opt_files): New AC_SUBST variable.
3332         (tm_file_list, tm_include_list): Include options.h first.
3333         * configure: Regenerate.
3334         * Makefile.in (extra_opt_files, ALL_OPT_FILES): New variables.
3335         (s-options): Use $(ALL_OPT_FILES) instead of $(lang_opt_files)
3336         (s-options-h): New rule.
3337         (options.h): Depend on it.
3338         (TEXI_GCCINT_FILES): Add options.texi.
3339         * hooks.h (hook_bool_size_t_constcharptr_int_true): Declare.
3340         * hooks.c (hook_bool_size_t_constcharptr_int_true): New function.
3341         * target.h (gcc_target): Add default_target_flags and handle_option.
3342         * target-def.h (TARGET_DEFAULT_TARGET_FLAGS)
3343         (TARGET_HANDLE_OPTION): New macros.
3344         (TARGET_INITIALIZER): Include them.
3345         * opt-functions.awk (opt_args, nth_arg): New functions.
3346         (switch_flags): Handle the "Target" flag.
3347         (var_args): Delete.
3348         (var_name): Use opt_args and nth_arg.
3349         (var_set, var_ref): Likewise.  Handle "Mask" and "InverseMask".
3350         * opth-gen.awk: Declare target_flags.  Declare MASK_* and TARGET_*
3351         macros for the "Mask" and "InverseMask" options.
3352         * opts.h (cl_var_cond): New enum.
3353         (cl_option): Replace the "has_set_value" and "set_value" fields with
3354         "var_cond" and "var_value".
3355         (CL_TARGET): New macro.
3356         (option_enabled, print_filtered_help): Declare.
3357         (decode_options): Move definition.
3358         * opts.c (handle_option): Search for the original option before
3359         removing any "no-" prefix.  Handle CL_TARGET.  Adjust for the new
3360         var_cond and var_value fields.  Use targetm.handle_option to handle
3361         target options.
3362         (decode_options): Set target_flags to targetm.default_target_flags.
3363         (print_filtered_help): Make global.  Handle CL_TARGET.
3364         (option_enabled): New function.
3365         * toplev.c (target_switches): Guard with #ifdef TARGET_SWITCHES.
3366         (display_target_options, set_target_switch, print_switch_values)
3367         (default_pch_valid_p): Guard uses of target_switches with
3368         #ifdef TARGET_SWITCHES.  Also...
3369         (display_target_options): Display the CL_TARGET entries in cl_options.
3370         (set_target_option): Don't complain about the "" option when
3371         TARGET_SWITCHES is undefined.
3372         (print_switch_values): Use option_enabled.
3373         (default_pch_valid_p): Check cl_options[] when looking for something
3374         that has changed the value of target_flags.
3375         * c.opt: Remove documentation from top of file.
3376         * doc/gccint.texi: Add an "Options" chapter.  Include options.texi.
3377         * doc/sourecebuild.texi: Refer to the new options documentation
3378         instead of c.opt.  Document machine-specific .opt files.
3379         * doc/tm.texi (target_flags): Say that this variable is declared
3380         by options.h.
3381         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Document.
3382         (TARGET_SWITCHES, TARGET_OPTIONS): Refer to the option files as
3383         an alternative.
3384         * doc/options.texi: New file.
3385
3386 2005-03-14  Alexandre Oliva  <aoliva@redhat.com>
3387
3388         PR middle-end/18628
3389         * cse.c (fold_rtx_mem): Don't fold a load from a jumptable into a
3390         register.
3391
3392 2005-03-14  Alexandre Oliva  <aoliva@redhat.com>
3393
3394         PR c++/20280
3395         * gimplify.c (gimplify_cond_expr): Add fallback argument.  Use a
3396         temporary variable of pointer type if an lvalues is required.
3397         (gimplify_modify_expr_rhs): Request an rvalue from it.
3398         (gimplify_expr): Pass fallback on.
3399
3400 2005-03-14  Kazu Hirata  <kazu@cs.umass.edu>
3401
3402         * cfgbuild.c: Update comments.
3403
3404 2005-03-14  Roger Sayle  <roger@eyesopen.com>
3405
3406         PR rtl-optimization/17236
3407         * optabs.c (expand_doubleword_mult): New helper function split out
3408         from expand_binop.  Permute the order in which instructions are
3409         emitted to minimize the number of simultaneously live registers.
3410         (expand_binop): Call expand_doubleword_mult to synthesize a double
3411         word multiplication.
3412
3413 2005-03-14  Kazu Hirata  <kazu@cs.umass.edu>
3414
3415         * basic-block.h: Update the prototypes of cached_make_edge and
3416         rtl_make_eh_edge.
3417         * cfg.c (cached_make_edge): Take edge_cache representing one
3418         row of the adjacency matrix of edges.
3419         * cfgbuild.c (make_label_edge, rtl_make_eh_edge): Likewise.
3420         (make_edges): Initialize edge_cache to represent one row of
3421         the adjacency matrix of edges.
3422
3423 2005-03-14  Zdenek Dvorak  <dvorakz@suse.cz>
3424
3425         * tree-ssa-phiopt.c (minmax_replacement, blocks_in_phiopt_order):
3426         New functions.
3427         (tree_ssa_phiopt): Use blocks_in_phiopt_order and minmax_replacement.
3428         Remove unused removed_phis variable.
3429         (conditional_replacement): Use build1/build2.
3430         (abs_replacement): Use last_and_only_stmt and build1/build2.
3431
3432 2005-03-14  Zdenek Dvorak  <dvorakz@suse.cz>
3433
3434         * builtin-attrs.def (ATTR_NOVOPS, ATTR_NOVOPS_LIST,
3435         ATTR_PURE_NOTHROW_NOVOPS_LIST): New.
3436         * builtins.def (ATTR_MATHFN_FPROUNDING): Use NOVOPS.
3437         (BUILT_IN_PREFETCH): Set the NOVOPS attribute.
3438         * c-common.c (handle_novops_attribute): New function.
3439         (c_common_attribute_table): Add "no vops" entry.
3440         * c-decl.c (merge_decls): Copy DECL_IS_NOVOPS.
3441         * calls.c (flags_from_decl_or_type): Set ECF_NOVOPS.
3442         * tree-ssa-operands.c (get_call_expr_operands): Do not
3443         create virtual operands for calls with ECF_NOVOPS flag.
3444         * tree.h (DECL_IS_NOVOPS): New macro.
3445         (struct tree_decl): Add novops_flag.
3446         (ECF_NOVOPS): New constant.
3447
3448 2005-03-14  Uros Bizjak  <uros@kss-loka.si>
3449
3450         PR target/17688
3451         * config/i386/i386.c (x86_use_himode_fiop): New.
3452         (x86_use_simode_fiop): Rename from x86_use_fiop.
3453         * config/i386/i386.h (x86_use_himode_fiop): Declare.
3454         (TARGET_USE_HIMODE_FIOP): New.
3455         (x86_use_simode_fiop): Rename from x86_use_fiop.
3456         (TARGET_USE_SIMODE_FIOP): Rename from TARGET_USE_FIOP.
3457
3458         * config/i386/i386.md (X87MODEI12): New mode macro define.
3459         (*cmpfp_<mode>): Rename from *cmpfp_si.  Use X87MODEI12 mode macro
3460         to implement x87 FP compare with HImode input operands.
3461         (*fp_jcc_8<mode>_387, splitter): Rename from *fp_jcc_8_387.
3462         Use X87MODEI12 mode macro to handle HImode input operands.
3463         (*fop_sf_2<mode>_i387, *fop_sf_3<mode>_i387, *fop_df_2<mode>_i387,
3464         *fop_df_3<mode>_i387, *fop_xf_2<mode>_i387, *fop_xf_3<mode>_i387):
3465         Renamed from *fop_sf_2_i387, *fop_sf_3_i387, *fop_df_2_i387,
3466         *fop_df_3_i387, *fop_xf_2_i387, *fop_xf_3_i387. Use X87MODEI12 mode
3467         macro to implement x87 operators with HImode input operands.
3468         (fop splitters): Use X87MODEI12 mode macro to handle HImode
3469         input operands.
3470
3471 2005-03-14  Zdenek Dvorak  <dvorakz@suse.cz>
3472
3473         * tree-cfg.c (find_taken_edge_cond_expr): Use zero_p instead of
3474         integer_zerop.
3475         * tree-gimple.c (is_gimple_min_invariant): Consider overflowed
3476         constants invariant.
3477
3478 2005-03-14  Zdenek Dvorak  <dvorakz@suse.cz>
3479
3480         * basic-block.h (BB_VISITED): Removed.
3481         * cfganal.c (dfs_enumerate_from): Do not use BB_VISITED flag.
3482
3483 2005-03-14  Falk Hueffner  <falk@debian.org>
3484
3485         PR bootstrap/20424
3486         * config/alpha/alpha.c (alpha_fold_builtin_cmpbge): Fix typo.
3487
3488 2005-03-14  Kazu Hirata  <kazu@cs.umass.edu>
3489
3490         * ggc-zone.c: Fix comment typos.
3491
3492         * alloc-pool.c, except.h, ggc-common.c, ggc-zone.c, ggc.h,
3493         stringpool.c, config/mips/mips-protos.h: Update copyright.
3494
3495 2005-03-14  Alan Modra  <amodra@bigpond.net.au>
3496
3497         * config/rs6000/rs6000-protos.h: Replace "struct rtx_def *"
3498         throughout with its typedef, "rtx".
3499         * config/rs6000/rs6000.c: Likewise.  Formatting fixes.
3500         (rs6000_tls_symbol_ref_1): Remove inline keyword.
3501         * config/rs6000/rs6000.h (REG_ALLOC_ORDER): Formatting.  Reorder
3502         regs in comment to match code.
3503
3504 2005-03-14  Kazu Hirata  <kazu@cs.umass.edu>
3505
3506         * except.c (check_handled): Make it static.
3507         * except.h: Remove the corresponding prototype.
3508
3509         * function.c (get_func_frame_size): Make it static.
3510         * function.h: Remove the corresponding type.
3511
3512         * regclass.c (reg_class_superclasses, reg_class_subclasses):
3513         Make them static.
3514         * hard-reg-set.h: Remove the corresponding declarations.
3515
3516         * tree-cfg.c (verify_stmts): Check that
3517         bb_for_stmt (stmt) == bb for every PHI node and statement.
3518
3519 2005-03-14  Alan Modra  <amodra@bigpond.net.au>
3520
3521         * config.gcc: Remove excess indentation.
3522         (powerpc*-*-*, rs6000-*-*): Accept --with-cpu/tune power5 and 8548.
3523
3524 2005-03-13  Roger Sayle  <roger@eyesopen.com>
3525
3526         PR middle-end/19331
3527         * tree.c (get_unwidened): Treat CONVERT_EXPR and NOP_EXPR identically.
3528         * fold-const.c (fold_sign_changed_comparison): Likewise.
3529         (fold_binary): Optimize comparisons against widened operands if
3530         the extension is represented by a CONVERT_EXPR, same as a NOP_EXPR.
3531
3532 2005-03-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
3533
3534         * config/sparc/sparc.c (struct_value_alias_set): New global variable.
3535         (sparc_override_options): Initialize it.
3536         (sparc_struct_value_rtx): Set it on the MEM to be returned.
3537
3538 2005-03-13  David Edelsohn  <edelsohn@gnu.org>
3539
3540         * config/rs6000/predicates.md (mem_or_easy_const_operand): Delete.
3541         (reg_or_none500mem_operand): New predicate.
3542         (zero_reg_mem_operand): New predicate.
3543         * config/rs6000/rs6000.md (extendsfdf2): Change operand1 predicate
3544         to reg_or_none500mem_operand.
3545         (extendsfdf2_fpr): Add MEM alternative.
3546         (extenddftf2_internal): Change operand2 predicate to
3547         zero_reg_mem_operand.
3548
3549 2005-03-13  Daniel Jacobowitz  <dan@codesourcery.com>
3550
3551         * ggc-zone.c: Rewritten.
3552
3553         * alloc-pool.c (dump_alloc_pool_statistics): Don't print statistics
3554         if there are none.
3555         * configure.ac: Define GGC_ZONE for --with-gc=zone.
3556         * config.in: Regenerated.
3557         * configure: Regenerated.
3558         * gengtype.c (write_types_process_field, write_func_for_structure):
3559         Pass new argument to gt_pch_note_object.
3560         * ggc-common.c (struct ptr_data): Add TYPE.
3561         (gt_pch_note_object): Take TYPE argument and save it.
3562         (call_count): Update call to ggc_pch_count_object.
3563         (call_alloc): Update call to ggc_pch_alloc_object.
3564         (gt_pch_save): Call ggc_pch_prepare_write after paddng the PCH
3565         file.
3566         * ggc-none.c (rtl_zone, garbage_zone, ggc_alloc_zone_stat): Delete.
3567         * ggc-page.c (rtl_zone, tree_zone, garbage_zone)
3568         (ggc_alloc_zone_stat): Delete.
3569         (ggc_pch_count_object, ggc_pch_alloc_object): Add TYPE argument.
3570         * ggc.h (gt_pch_note_object, ggc_pch_count_object)
3571         (ggc_pch_alloc_object): Update prototypes.
3572         (garbage_zone): Delete.
3573         (tree_zone, rtl_zone, ggc_alloc_zone_stat, ggc_alloc_zone): Move to
3574         GGC_ZONE conditional.  Update.  Change tree_zone and rtl_zone into
3575         pointers.
3576         (tree_id_zone): New variable.
3577         (ggc_alloc_cleared_zone): Remove unused.
3578         (ggc_alloc_zone): Define.
3579         (ggc_alloc_rtvec, ggc_alloc_tree): Update to use ggc_alloc_zone.
3580         * rtl.c (rtx_alloc_stat, shallow_copy_rtx_stat): Use
3581         ggc_alloc_zone_stat.
3582         * stringpool.c (gt_pch_n_S): Update call to gt_pch_note_object.
3583         * tree.c (copy_node_stat, make_tree_binfo_stat, make_tree_vec_stat)
3584         (tree_cons_stat, build1_stat): Update call to ggc_alloc_zone_stat.
3585         (make_node_stat): Likewise.  Use tree_id_zone.
3586
3587 2005-03-13  Daniel Jacobowitz  <dan@codesourcery.com>
3588             Joseph S. Myers  <joseph@codesourcery.com>
3589
3590         * configure.ac: Check for MIPS TLS.
3591         * configure: Regenerated.
3592         * config/mips/mips-protos.h (enum mips_symbol_type): Add
3593         SYMBOL_TLS, SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL,
3594         SYMBOL_GOTTPREL, and SYMBOL_TPREL.
3595         * config/mips/mips.c (mips_regno_to_class): Handle V1_REG.
3596         (TARGET_HAVE_TLS, TARGET_CANNOT_FORCE_CONST_MEM): Define.
3597         (mips_classify_symbol, mips_symbolic_constant_p)
3598         (mips_symbolic_address_p, mips_symbol_insns): Handle TLS symbols.
3599         (mips_tls_operand_p, mips_call_tls_get_addr)
3600         (mips_legitimize_tls_address, mips_cannot_force_const_mem)
3601         (mips_tls_symbol_ref_1): New functions.
3602         (mips_legitimize_address, mips_legitimize_const_move): Call
3603         mips_legitimize_tls_address.
3604         (override_options): Handle V1_REG and TLS symbols.  Disable TLS
3605         for MIPS16.
3606         * config/mips/mips.h (enum reg_class, REG_CLASS_NAMES)
3607         (REG_CLASS_CONTENTS, GR_REG_CLASS_P): Include V1_REG.
3608         (mips_char_to_class): Document V1_REG.
3609         (HAVE_AS_TLS): Provide default.
3610         * config/mips/mips.md (UNSPEC_TLS_LDM, UNSPEC_TLS_GET_TP): New
3611         constants.
3612         (load_got<mode>): Renamed from *load_got<mode>.  Allow when
3613         !TARGET_ABICALLS.
3614         (tls_get_tp_<mode>): New instruction.
3615
3616 2005-03-13  Daniel Jacobowitz  <dan@codesourcery.com>
3617
3618         * configure.ac: Update checks for target tools.
3619         * configure: Regenerated.
3620
3621 2005-03-13  Daniel Jacobowitz  <dan@codesourcery.com>
3622
3623         * varasm.c (decl_tls_model): Check flag_shlib instead of flag_pic.
3624
3625 2005-03-13  Roger Sayle  <roger@eyesopen.com>
3626
3627         * expmed.c (expand_mult): Use synthetic multiplication sequences for
3628         more classes of DImode multiplication by constant.  Allow both
3629         multiplication by small negative constants (by performing a
3630         multiplication by a positive constant and negating the result) and
3631         multiplications by large powers of two, by using a left shift.
3632
3633 2005-03-13  Kazu Hirata  <kazu@cs.umass.edu>
3634
3635         * tree-into-ssa.c (find_idf): Speed up by putting the indexes
3636         of basic blocks into work_stack.
3637
3638         * builtin-attrs.def, c-lex.c, c-pragma.h, reg-stack.c,
3639         config/mips/vr.h: Update copyright.
3640
3641         * c-decl.c (c_init_decl_processing): Remove useless calls to
3642         build_function_type.
3643
3644         * builtins.c (fold_trunc_transparent_mathfn,
3645         fold_fixed_mathfn, fold_builtin_atan, fold_builtin_trunc,
3646         fold_builtin_floor, fold_builtin_ceil, fold_builtin_round,
3647         fold_builtin_lround, fold_builtin_bitop, fold_builtin_memcpy,
3648         fold_builtin_strcpy, fold_builtin_strncpy,
3649         fold_builtin_signbit): Use TYPE (TYPE (fndecl)) instead of
3650         TREE_TYPE (exp).
3651
3652         * builtins.c (expand_builtin_mathfn_3): Remove local variable
3653         before_call.
3654
3655         * lambda-code.c (lambda_compute_auxillary_space): Remove local
3656         variable determinant.
3657
3658         * tree-cfg.c (group_case_labels): Remove local variable type.
3659
3660         * tree-ssa-live.c (build_tree_conflict_graph): Remove local
3661         variable ann.
3662
3663         * tree-ssa-phiopt.c (value_replacement): Remove local variable
3664         result.
3665
3666 2005-03-13  Andy Hutchinson  <HutchinsonAndy@netscape.net>
3667
3668         PR target/18251
3669         * config/avr/avr.md (movmemhi): Rewrite as RTL loop.
3670         (*movmemqi_insn): Delete.
3671         (*movmemhi): Delete.
3672
3673 2005-03-13  Kazu Hirata  <kazu@cs.umass.edu>
3674
3675         * builtins.c (fold_builtin_classify): Take decomposed
3676         arguments of CALL_EXPR.
3677         (fold_builtin_1): Update a call to fold_builtin_classify.
3678
3679 2005-03-13  Joseph S. Myers  <joseph@codesourcery.com>
3680
3681         PR c/20402
3682         * c-parser.c (c_parser_struct_or_union_specifier): Don't fall
3683         through into call to parser_xref_tag after parse error.
3684         (c_parser_struct_declaration): Consistently return NULL_TREE on
3685         error.
3686
3687 2005-03-12  Daniel Berlin  <dberlin@dberlin.org>
3688
3689         * tree-flow-inline.h (ref_contains_array_ref): New function.
3690         (lookup_subvars_for_var): Ditto.
3691         (get_subvars_for_var): Ditto.
3692         (var_can_have_subvars): Ditto.
3693
3694         * tree-flow.h (mem_tag_kind): Add STRUCT_FIELD.
3695         (struct subvar): New type.
3696
3697         * tree-dfa.c (okay_component_ref_for_subvars): New function.
3698
3699         * tree-optimize.c (init_tree_optimization_passes): Call
3700         pass_create_structure_vars.
3701
3702         * tree-ssa-alias.c: Include vec.h.
3703         (init_alias_info): Don't auto-clear call clobbered on struct-field
3704         tags.
3705         (compute_flow_insensitive_aliasing): Handle subvars.
3706         (group_aliases): Handle STRUCT_FIELD aliases.
3707         (setup_pointers_and_addressables): Ditto.
3708         Don't mark variables non-addressable if they still have
3709         addressable subvars.
3710         Also mark subvars addressable when the real variable is marked
3711         addressable.
3712         (add_pointed_to_var): Try to prune the pointed-to set by only
3713         pointing to subvars when possible.
3714         Otherwise, make sure we set addresses_needed and pt_vars to
3715         properly include subvars.
3716         (bitpos_of_field): New function.
3717         (push_fields_onto_fieldstack): Ditto.
3718         (get_or_create_used_part_for): Ditto.
3719         (create_overlap_variables_for): Ditto.
3720         (find_used_portions): Ditto.
3721         (create_structure_vars): Ditto.
3722         (pass_create_structure_vars): New structure.
3723
3724         * tree-ssa-operands.c (finalize_ssa_v_must_defs): Remove assert.
3725         (get_expr_operands): Handle subvars.  Also try to turn
3726         COMPONENT_REF accesses into must-defs now that we can accurately
3727         portray it.
3728         (note_addressable): Try to only mark as addressable those subvars
3729         we know a COMPONENT_REF touches.
3730         (overlap_subvar): New function.
3731
3732         * tree-vect-analyze.c (vect_object_analysis): Add new parameter.
3733         Handle subvar storing.
3734         (vect_address_analysis): Update caller of vect_object_analysis.
3735
3736         * tree-vect-transform.c (vect_create_data_ref_ptr): Copy subvars.
3737
3738         * tree-vectorizer.h (struct _stmt_vec_info): Add subvars member.
3739         (STMT_VINFO_SUBVARS): New macro.
3740
3741         * common.opts: add flag_tree_salias.
3742
3743         * opts.c (decode_options): flag_tree_salias defaults to on.
3744
3745         * doc/invoke.texi: Document fdump-tree-svars and -ftree-salias.
3746
3747         * doc/tree-ssa.texi: Document structural alias analysis.
3748
3749 2005-03-12  Steven Bosscher  <stevenb@suse.de>
3750
3751         * tree-cfg.c (make_goto_expr_edges): Don't use error_mark_node.
3752         * tree-ssa-dce.c (mark_stmt_necessary): Don't check for it.
3753         * tree-ssa-operands.c (get_expr_operands): Likewise.
3754         (get_expr_operands): Likewise for ERROR_MARK.
3755
3756 2005-03-12  Kazu Hirata  <kazu@cs.umass.edu>
3757
3758         * tree-ssa.c (kill_redundant_phi_nodes): Remove local variable
3759         var.
3760
3761         * tree-ssa-phiopt.c (tree_ssa_phiopt): Remove local variable
3762         removed_phis.
3763
3764         * tree-ssa-pre.c (compute_avail): Remove local variable val.
3765         (mark_operand_necessary): Remove local variable ver.
3766
3767         * tree-vect-transform.c (vect_get_new_vect_var): Remove local
3768         variable prefix_len.
3769
3770         * value-prof.c (mod_subtract_transform): Remove local variable
3771         value.
3772
3773         * builtins.c (fold_builtin_exponent): Take decomposed
3774         arguments of CALL_EXPR.
3775         (fold_builtin_1): Update a call to fold_builtin_exponent.
3776
3777         * builtins.c (fold_builtin_logarithm): Take decomposed
3778         arguments of CALL_EXPR.
3779         (fold_builtin_1): Update a call to fold_builtin_logarithm.
3780
3781         * c-decl.c (c_init_decl_processing): Remove local variables
3782         ptr_ftype_void and ptr_ftype_ptr.
3783
3784         * gimplify.c (gimplify_expr): Remove local variables r0 and
3785         r1.
3786
3787         * reg-stack.c (move_for_stack_reg): Remove local variable
3788         push_insn.
3789         (compare_for_stack_reg): Remove local variable flags_user.
3790         (convert_regs_1): Remove local variable deleted.
3791
3792         * tree-if-conv.c (tree_if_convert_cond_expr): Remove local
3793         variable new_cond.
3794         (combine_blocks): Remove local variables exits and new_e.
3795
3796         * tree-inline.c (expand_call_inline): Remove local variable
3797         decl.
3798
3799         * tree-ssa-live.c (create_ssa_var_map,
3800         calculate_live_on_entry): Remove local variable snn.
3801
3802 2005-03-12  Geoffrey Keating  <geoffk@apple.com>
3803
3804         * c-lex.c (c_lex_with_flags): Add parameter to call to
3805         cpp_spell_token.
3806
3807 2005-03-11  Per Bothner  <per@bothner.com>
3808
3809         * c-tree.h (struct c_declarator): New id_loc field.
3810         * c-pragma.h (c_lex_with_flags): Take position reference.
3811         * c-lex.c (c_lex_with_flags): Set passed-in location from cpp token,
3812         iff USE_MAPPED_LOCATION. (Type doesn't match otherwise.)
3813         (c_lex): Pass dummy location to c_lex_with_flags.
3814         * c-parser.c (c_lex_one_token): Set c_token's location using
3815         c_lex_with_flags, instead of input_location, which might be "ahead".
3816         (c_parser_direct_declarator): Set declarator's id_loc from
3817         c_token's id_loc.
3818         * c-decl.c (grokdeclarator): Set DECL_SOURCE_LOCATION from
3819         declarator's id_loc, rather than probably-imprecise input_location.
3820         (build_id_declarator): Initialize c_declarator's id_loc field.
3821
3822 2005-03-11  Roger Sayle  <roger@eyesopen.com>
3823
3824         PR middle-end/20419
3825         * builtins.c (expand_builtin_signbit): Force the signbit's word
3826         into an integer register to avoid SUBREGs of floating point modes.
3827
3828 2005-03-12  Kazu Hirata  <kazu@cs.umass.edu>
3829
3830         * cfglayout.c, loop-doloop.c, profile.c, target-def.h,
3831         target.h, targhooks.c, tracer.c, tree-ssa-loop-ch.c,
3832         tree-ssa-loop-unswitch.c, tree-ssa-loop.c, vec.c, vmsdbgout.c,
3833         config/m32r/m32r.md, config/xtensa/xtensa.h: Update copyright.
3834
3835 2005-03-11  David Edelsohn  <edelsohn@gnu.org>
3836
3837         PR rtl-optimization/20306
3838         * expr.c (emit_move_complex): Set try_int false if mode is
3839         MODE_COMPLEX_FLOAT and mov_optab exists for inner mode.  Only try
3840         emit_block_move if try_int is true.
3841
3842 2005-03-11  Richard Henderson  <rth@redhat.com>
3843
3844         PR target/20415
3845         * config/i386/mmx.md (vec_dupv4hi): Fix predicate.
3846         * config/i386/i386.c (ix86_expand_vector_init_duplicate): Update
3847         to match.
3848
3849 2005-03-11  Richard Sandiford  <rsandifo@redhat.com>
3850
3851         * config/mips/mips.h (mips_fix_vr4130_string): Declare.
3852         (TARGET_FIX_VR4130): New macro.
3853         (TARGET_OPTIONS): Add -mfix-vr4130.
3854         (ISA_HAS_MACCHI): New macro.
3855         (ASM_SPEC): Add -mfix-vr4130.
3856         * config/mips/mips.c (mips_fix_vr4130_string): New variable.
3857         (override_options): Handle mips_fix_vr4130_string.
3858         (mips_avoid_hazards): Clear all_noreorder_p
3859         if we're working around VR4130 errata and the macc alternatives
3860         are not available.
3861         * config/mips/mips.md (mfhilo_<mode>): Turn into a define_expand.
3862         (*mfhilo_<mode>, *mfhilo_<mode>_macc): New insns.
3863         * config/mips/vr.h (DEFAULT_VR_ARCH): Set to mfix-vr4130.
3864         (MULTILIB_DEFAULTS): Remove leading "march=".
3865         (DRIVER_SELF_SPECS): Likewise.  Make -mfix-vr4130 imply -march=vr4130
3866         if no architecture option is given.
3867         * config/mips/t-vr (MULTILIB_OPTIONS): Use -mfix-vr4130 for the
3868         VR4130 multilibs.
3869         (MULTILIB_MATCHES): Map -march=vr4130 to the -mfix-vr4130 multilibs.
3870         * doc/invoke.texi: Document -mfix-vr4130.
3871
3872 2005-03-11  Richard Sandiford  <rsandifo@redhat.com>
3873
3874         * config/mips/mips.c (override_options): Only warn about -mint64
3875         deprecation if TARGET_INT64.
3876
3877 2005-03-11  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3878
3879         * builtin-attrs.def (ATTR_NONNULL_LIST, ATTR_NOTHROW_NONNULL,
3880         ATTR_CONST_NOTHROW_NONNULL, ATTR_PURE_NOTHROW_NONNULL,
3881         ATTR_MALLOC_NOTHROW_NONNULL): New "nonnull" attribute lists which
3882         are non-specific regarding the nonnull parameter positions.
3883         (ATTR_NONNULL_1_2, ATTR_NONNULL_1_4, ATTR_NOTHROW_NONNULL_1_2,
3884         ATTR_NOTHROW_NONNULL_1_4, ATTR_CONST_NOTHROW_NONNULL_1,
3885         ATTR_PURE_NOTHROW_NONNULL_1, ATTR_PURE_NOTHROW_NONNULL_1_2,
3886         ATTR_MALLOC_NOTHROW_NONNULL_1): Delete.
3887
3888         * builtins.def: Use the non-specific "nonnull" attibute lists.
3889
3890 2005-03-11  Zdenek Dvorak  <dvorakz@suse.cz>
3891
3892         * basic-block.h (single_succ_p, single_pred_p, single_succ_edge,
3893         single_pred_edge, single_succ, single_pred): Improve comments.
3894
3895 2005-03-11  Zdenek Dvorak  <dvorakz@suse.cz>
3896
3897         * basic-block.h (single_succ_p, single_pred_p, single_succ_edge,
3898         single_pred_edge, single_succ, single_pred): New inline functions.
3899         * bb-reorder.c (rotate_loop, find_traces_1_round,
3900         add_labels_and_missing_jumps, fix_up_fall_thru_edges,
3901         duplicate_computed_gotos): Use the single_succ/pred functions.
3902         * cfganal.c (forwarder_block_p): Ditto.
3903         * cfgbuild.c (compute_outgoing_frequencies): Ditto.
3904         * cfgcleanup.c (try_simplify_condjump, try_forward_edges,
3905         outgoing_edges_match, try_crossjump_to_edge, try_optimize_cfg,
3906         merge_seq_blocks): Ditto.
3907         * cfghooks.c (split_edge, tidy_fallthru_edges): Ditto.
3908         * cfglayout.c (fixup_reorder_chain): Ditto.
3909         * cfgloop.c (mark_single_exit_loops, update_latch_info,
3910         canonicalize_loop_headers, verify_loop_structure): Ditto.
3911         * cfgloopmanip.c (remove_path, unloop, loop_delete_branch_edge,
3912         mfb_update_loops, create_preheader, force_single_succ_latches,
3913         create_loop_notes): Ditto.
3914         * cfgrtl.c (rtl_can_merge_blocks, try_redirect_by_replacing_jump,
3915         force_nonfallthru_and_redirect, rtl_tidy_fallthru_edge,
3916         commit_one_edge_insertion, purge_dead_edges,
3917         cfg_layout_can_merge_blocks_p): Ditto.
3918         * except.c (sjlj_emit_function_enter): Ditto.
3919         * flow.c (init_propagate_block_info): Ditto.
3920         * function.c (thread_prologue_and_epilogue_insns): Ditto.
3921         * gcse.c (find_implicit_sets, bypass_conditional_jumps,
3922         insert_insn_end_bb): Ditto.
3923         * ifcvt.c (merge_if_block, find_if_block, find_if_case_1,
3924         find_if_case_2): Ditto.
3925         * lambda-code.c (perfect_nestify): Ditto.
3926         * lcm.c (optimize_mode_switching): Ditto.
3927         * loop-doloop.c (doloop_modify): Ditto.
3928         * loop-init.c (loop_optimizer_init): Ditto.
3929         * loop-iv.c (simplify_using_initial_values): Ditto.
3930         * loop-unroll.c (unroll_loop_runtime_iterations): Ditto.
3931         * loop-unswitch.c (unswitch_loop): Ditto.
3932         * modulo-sched.c (generate_prolog_epilog): Ditto.
3933         * predict.c (combine_predictions_for_insn, estimate_probability,
3934         tree_estimate_probability, last_basic_block_p,
3935         estimate_bb_frequencies): Ditto.
3936         * profile.c (branch_prob): Ditto.
3937         * regrename.c (copyprop_hardreg_forward): Ditto.
3938         * sched-rgn.c (is_cfg_nonregular, find_rgns, update_live): Ditto.
3939         * tracer.c (layout_superblocks): Ditto.
3940         * tree-cfg.c (tree_can_merge_blocks_p, tree_merge_blocks,
3941         cfg_remove_useless_stmts_bb, cleanup_control_flow,
3942         cleanup_control_expr_graph, disband_implicit_edges,
3943         tree_find_edge_insert_loc, bsi_commit_edge_inserts,
3944         tree_verify_flow_info, tree_make_forwarder_block,
3945         tree_forwarder_block_p, remove_forwarder_block,
3946         remove_forwarder_block_with_phi, merge_phi_nodes): Ditto.
3947         * tree-if-conv.c (tree_if_conversion): Ditto.
3948         * tree-mudflap.c (mf_build_check_statement_for): Ditto.
3949         * tree-ssa-dce.c (remove_dead_stmt): Ditto.
3950         * tree-ssa-dom.c (dom_opt_finalize_block): Ditto.
3951         * tree-ssa-loop-ch.c (should_duplicate_loop_header_p,
3952         copy_loop_headers): Ditto.
3953         * tree-ssa-loop-im.c (loop_commit_inserts): Ditto.
3954         * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Ditto.
3955         * tree-ssa-loop-manip.c (split_loop_exit_edge, ip_normal_pos,
3956         lv_adjust_loop_entry_edge, tree_ssa_loop_version): Ditto.
3957         * tree-ssa-loop-niter.c (simplify_using_initial_conditions): Ditto.
3958         * tree-ssa-loop-unswitch.c (simplify_using_entry_checks): Ditto.
3959         * tree-ssa-phiopt.c (tree_ssa_phiopt, value_replacement): Ditto.
3960         * tree-ssa-pre.c (compute_antic_aux, insert_aux, init_pre): Ditto.
3961         * tree-ssa-threadupdate.c (redirect_edges): Ditto.
3962         * tree-tailcall.c (independent_of_stmt_p, find_tail_calls,
3963         eliminate_tail_call, tree_optimize_tail_calls_1): Ditto.
3964         * tree-vect-analyze.c (vect_analyze_loop_form): Ditto.
3965         * tree-vect-transform.c (vect_update_ivs_after_vectorizer): Ditto.
3966         * tree-vectorizer.c (slpeel_update_phi_nodes_for_guard,
3967         slpeel_add_loop_guard): Ditto.
3968
3969 2005-03-11  James A. Morrison  <phython@gcc.gnu.org>
3970
3971         PR tree-optimization/15784
3972         * fold-const.c (fold): Fold ~A + 1 to -A.  Fold -A - 1
3973         and -1 - A to ~A.
3974
3975         * stmt.c (expand_case): Don't change index_type.  Convert minval
3976         to the proper type.
3977
3978         PR tree-optimization/20130
3979         * fold-const.c (fold): Fold x * -1 into -x.
3980
3981 2005-03-11  Kaz Kojima  <kkojima@gcc.gnu.org>
3982
3983         PR rtl-optimization/20331
3984         * rtlanal.c (modified_between_p): Check its address first for MEM.
3985         (modified_in_p): Likewise.
3986
3987 2005-03-11  Joseph S. Myers  <joseph@codesourcery.com>
3988
3989         * config.gcc (hppa*64*-*-hpux11*): Use pa/t-hpux-shlib.
3990
3991 2005-03-10  Steven Bosscher  <stevenb@suse.de>
3992
3993         * expr.c (expand_expr_real_1): If possible, use a conditional
3994         move for expanding MIN_EXPR and MAX_EXPR.
3995         Use temp for moving around rtx-en.
3996
3997 2005-03-10  Andrew Pinski  <pinskia@physics.uc.edu>
3998
3999         PR rtl-opt/20412
4000         * simplify-rtx.c (simplify_relational_operation_1): Fix typo - check the
4001         correct mode.
4002
4003 2005-03-10  Roger Sayle  <roger@eyesopen.com>
4004
4005         * builtins.c (expand_builtin_signbit): Extend to handle floating
4006         point modes wider than the largest integer type, using the
4007         operand_subword_force function to obtain the signbit's word.
4008
4009 2005-03-10  Jakub Jelinek  <jakub@redhat.com>
4010
4011         PR target/20322
4012         * combine.c (try_combine): If recog_for_combine added CLOBBERs
4013         to NEWI2PAT, fail to combine if they are used by NEWPAT.
4014
4015 2005-03-10  Aldy Hernandez  <aldyh@redhat.com>
4016
4017         * doc/invoke.texi: Add 8540 to list of cpus in rs6000 cpu section.
4018
4019 2005-03-10  Kazu Hirata  <kazu@cs.umass.edu>
4020
4021         * tree-outof-ssa.c (analyze_edges_for_bb): Make the return
4022         type void.
4023         (perform_edge_inserts): Unconditionally call
4024         free_dominator_info.
4025
4026         * tree-outof-ssa.c (analyze_edges_for_bb): Update a comment.
4027
4028 2005-03-10  Bob Wilson  <bob.wilson@acm.org>
4029
4030         * config/xtensa/xtensa.h (MEMBER_TYPE_FORCES_BLK): Define.
4031
4032 2005-03-10  Nathan Sidwell  <nathan@codesourcery.com>
4033
4034         * bitmap.c (bitmap_copy): Remove manual loop unrolling.
4035
4036         * value-prof.c (rtl_find_values_to_profile): Use gcc_assert and
4037         gcc_unreachable.
4038         (rtl_register_value_prof_hooks,
4039         tree_value_profile_transformations,
4040         tree_register_value_prof_hooks): Likewise.
4041         * var-tracking.c (stack_adjust_offset_pre_post,
4042         variable_htab_free, variable_union, dataflow_set_different_2,
4043         count_uses, variable_was_changed, set_frame_base_location,
4044         set_variable_part, emit_note_insn_var_location, vt_emit_notes,
4045         vt_add_function_parameters): Likewise.
4046         * varasm.c (named_section_real, named_section, make_decl_rtl,
4047         asm_emit_uninitialised, assemble_integer, decode_addr_const,
4048         const_hash_1, compare_constant, copy_constant, force_const_mem,
4049         output_constant_pool_2, output_constant_pool_1, output_constant,
4050         output_constructor, make_decl_one_only, decl_tls_model,
4051         default_no_named_section, default_elf_select_section_1,
4052         default_unique_section_1): Likewise.
4053         * vec.c (vec_gc_o_reserve, vec_heap_o_reserve): Likewise.
4054         * vmsdbgout.c (addr_const_to_string): Likewise.
4055
4056         PR c++/20375
4057         * function.c (struct assign_parm_data_one): Remove last_named
4058         field.
4059         (assign_parm_find_data_types): Don't determine last_named.
4060         Reorder named_parm determination.
4061         (assign_parms): Only setup varargs on the last non-varadic
4062         parameter.
4063
4064 2005-03-10  Kazuhiro Inaoka  <inaoka.lazuhiro@renesas.com>
4065
4066         * config/m32r/m32r.md (load_sda_base_32): New pattern.  Loads
4067         sda base address on medium model.
4068
4069 2005-03-10  Zdenek Dvorak  <dvorakz@suse.cz>
4070
4071         * Makefile.in (tree-optimize.o): Add CFGLOOP_H dependence.
4072         * cfgloop.c (flow_loop_nodes_find): Export.
4073         * cfgloop.h (flow_loop_nodes_find, fix_loop_structure):
4074         Declare.
4075         * cfgloopmanip.c (fix_loop_structure): New function.
4076         * predict.c (predict_loops): Clean up the loops information.
4077         * tree-cfg.c (cleanup_tree_cfg_loop): New function.
4078         (tree_can_merge_blocks_p, remove_bb, tree_forwarder_block_p): Respect
4079         loop structure.
4080         * tree-flow.h (cleanup_tree_cfg_loop): Declare.
4081         (rewrite_into_loop_closed_ssa): Declaration changed.
4082         * tree-loop-linear.c (linear_transform_loops): Add argument to
4083         rewrite_into_loop_closed_ssa call.
4084         * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
4085         * tree-ssa-loop-im.c (move_computations): Ditto.
4086         * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
4087         * tree-vectorizer.c (vectorize_loops): Ditto.
4088         * tree-optimize.c: Include cfgloop.h.
4089         (execute_todo): Choose whether to call cleanup_tree_cfg or
4090         cleanup_tree_cfg_loop.
4091         * tree-ssa-loop-ivcanon.c (canonicalize_loop_induction_variables,
4092         (tree_unroll_loops_completely): Enable cleanup_tree_cfg_loop call.
4093         * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Enable
4094         cleanup_tree_cfg_loop call.
4095         * tree-ssa-loop-manip.c (find_uses_to_rename_bb): New function.
4096         (find_uses_to_rename, rewrite_into_loop_closed_ssa): Support
4097         work on part of cfg.
4098
4099 2005-03-10  Jakub Jelinek  <jakub@redhat.com>
4100
4101         PR inline-asm/20314
4102         * gimplify.c (gimplify_asm_expr): Handle input/output constraints
4103         with multiple alternatives.
4104
4105         * stmt.c (parse_output_constraint): Fix a typo.
4106
4107 2005-03-09  Bob Wilson  <bob.wilson@acm.org>
4108
4109         * config/xtensa/xtensa.h (TRAMPOLINE_TEMPLATE): Use "no-transform"
4110         assembly directive instead of deprecated "no-generics".
4111
4112 2005-03-09  Ulrich Weigand  <uweigand@de.ibm.com>
4113
4114         * config/s390/s390.c (s390_secondary_output_reload_class): Adapt check
4115         for non-offsettable memory references to cope with outstanding reload
4116         replacements.
4117         * config/s390/s390.md ("reload_outti"): Call find_replacement to
4118         avoid losing outstanding address reloads.
4119         ("reload_outdi", "reload_outdf"): Likewise.
4120
4121 2005-03-09  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
4122
4123         * builtins.c (fold_builtin_cbrt, fold_builtin_pow): Rearrange
4124         code.  Add more cbrt transformations.
4125
4126 2005-03-09  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
4127
4128         * fold-const.c (fold_unary_to_constant): Add FIX_ROUND_EXPR case.
4129
4130 2005-03-09  Kazu Hirata  <kazu@cs.umass.edu>
4131
4132         * fold-const.c (fold_unary, fold_binary, fold_ternary): Return
4133         NULL_TREE when a given tree is not simplified.
4134         (fold): Return the original tree when any of the functions
4135         mentioned above NULL_TREE.
4136
4137         * fold-const.c (fold_unary, fold_binary): Take decomposed
4138         arguments, code, type, op0, and op1 in case of fold_binary.
4139         (fold): Update calls to fold_unary and fold_binary.
4140
4141 2005-03-09  Roger Sayle  <roger@eyesopen.com>
4142
4143         * builtins.c (fold_builtin_unordered_cmp): Change prototype to take
4144         a fndecl and an arglist instead of a CALL_EXPR, exp.
4145
4146 2005-03-09  Kazu Hirata  <kazu@cs.umass.edu>
4147
4148         * cfglayout.c (fixup_reorder_chain): Remove old_bb.
4149
4150         * cfgrtl.c (cfg_layout_merge_blocks): Remove new_e.
4151
4152         * expr.c (expand_assignment): Remove orig_to_rtx.
4153
4154         * fold-const.c (int_const_binop): Remove no_overflow.
4155
4156         * ifcvt.c (noce_emit_move_insn): Remove inmode.
4157
4158         * loop-iv.c (get_biv_step_1): Remove lhs.
4159
4160         * loop-unroll.c (analyze_insns_in_loop): Remove preheader.
4161
4162         * real.c (real_nan): Remove neg.
4163
4164         * function.c (thread_prologue_and_epilogue_insns): Remove i
4165         and newinsn.
4166
4167         * tree-data-ref.c (array_base_name_differ_p): Remove ta and
4168         tb.
4169
4170         * tree-eh.c (tree_could_trap_p): Remove idx.
4171
4172         * tree-into-ssa.c (ann): Remove ann.
4173
4174         * tree-outof-ssa.c (num_nodes): Remove num_nodes.
4175
4176         * tree-sra.c (decide_block_copy): Remove inst_count.
4177
4178         * tree-ssa-alias.c (may_alias_p): Remove v_ann.
4179
4180         * tree-ssa-loop-im.c (lhs): Remove.
4181
4182         * cfgbuild.c (state, STATE, SET_STATE,
4183         BLOCK_USED_BY_TABLEJUMP, FULL_STATE): Move just before
4184         make_edges.
4185         (make_edges): Speed up by skipping blocks with BLOCK_ORIGINAL.
4186         (find_basic_blocks): Set the state of each basic block to
4187         BLOCK_NEW.
4188
4189 2005-03-08  Jeff Law  <law@redhat.com>
4190
4191         * tree-cfg.c (cleanup_control_flow): If removal of a computed
4192         goto results in the removal of edges in the CFG, then we need
4193         to recompute dominators.
4194
4195 2005-03-09  Ben Elliston  <bje@au.ibm.com>
4196
4197         * c-common.c (c_do_switch_warnings): Comment fix.
4198
4199 2005-03-08  Julian Brown  <julian@codesourcery.com>
4200
4201         * Patch from 2005-03-08 reverted for causing regressions and
4202         ppc-darwin bootstrap failure.
4203
4204 2005-03-08  Fariborz Jahanian <fjahanian@apple.com>
4205
4206         * config/rs6000/rs6000.c (invalid_arg_for_unprototyped_fn):
4207         Define the real function for ppc-darwin.
4208         * c-typeck.c (convert_arguments): Check for target-specific
4209         invalid argument call to unprototyped function.
4210         * target-def.h (TARGET_INVALID_ARG_FOR_UNPROTOTYPED_FN):
4211         New Macro.
4212         * target.h (invalid_arg_for_unprototyped_fn): New field
4213         in struct calls.
4214         * targhooks.c (hook_invalid_arg_for_unprototyped_fn): New
4215         default target hook.
4216         * targhooks.h (hook_invalid_arg_for_unprototyped_fn):
4217         Declare.
4218
4219 2005-03-08  Kazu Hirata  <kazu@cs.umass.edu>
4220
4221         * c-typeck.c (constructor_stack, constructor_range_stack,
4222         initializer_stack): Make them static.
4223
4224         * cfg.c (rbi_pool): Make it static.
4225
4226         * gimple-low.c (lower_stmt_body): Make it static.
4227         * tree-flow.h: Remove the corresponding prototype.  Don't
4228         declare lower_data.
4229
4230         * sched-deps.c (cache_size): Make it static.
4231
4232         * stor-layout.c (lang_adjust_rli): Make it static.
4233
4234 2005-03-08  Julian Brown  <julian@codesourcery.com>
4235
4236         * config/elfos.h (MAKE_DECL_ONE_ONLY): Redefined to stop DECL_WEAK
4237         from being used for symbols with vague linkage when
4238         HAVE_GAS_COMDAT_GROUP is true.
4239
4240 2005-03-08  J"orn Rennecke <joern.rennecke@st.com>
4241
4242         * jump.c (invert_jump_1): Don't call redirect_jump_1 with
4243         nlabel == JUMP_LABEL (jump).
4244
4245 2005-03-08  Kazu Hirata  <kazu@cs.umass.edu>
4246
4247         * c-common.c, c-opts.c, combine.c, cse.c, dojump.c,
4248         gimplify.c, tree-dfa.c, tree-ssa-loop-ivopts.c,
4249         tree-ssa-phiopt.c, tree-ssa-pre.c, tree-ssa-sink.c,
4250         tree-vect-analyze.c, tree.def, tree.h: Fix comment formatting.
4251
4252 2005-03-08  Alexey Neyman  <alex.neyman@auriga.ru>
4253
4254         PR c/14411
4255         * calls.c (flags_from_decl_or_type): Handle eturns_twice' attribute.
4256         * c-common.c (handle_returns_twice): New function.
4257         (c_common_attribute_table): Declare eturns_twice' attribute.
4258         * doc/extend.texi: Document eturns_twice' attribute.
4259         * tree.h (DECL_IS_RETURNS_TWICE): New macro.
4260         (struct tree_decl): Add returns_twice_flag.
4261
4262 2005-03-08  Kazu Hirata  <kazu@cs.umass.edu>
4263
4264         * tree-ssa-phiopt.c: Fix a comment typo.
4265
4266         * c-semantics.c, cfghooks.c, diagnostic.h, loop-iv.c,
4267         loop-unswitch.c, modulo-sched.c, stor-layout.c, tree-gimple.h,
4268         config/i386/cygwin1.c, doc/cfg.texi, doc/objc.texi: Update
4269         copyright.
4270
4271 2005-03-08  Richard Henderson  <rth@redhat.com>
4272
4273         * config/alpha/alpha.c (code_for_builtin): Replace special-case
4274         builtin codes with ctzdi2, clzdi2, popcountdi2.
4275         (struct alpha_builtin_def): Add is_const.
4276         (zero_arg_builtins, one_arg_builtins, two_arg_builtins): Init it.
4277         (alpha_v8qi_u, alpha_v8qi_s, alpha_v4hi_u, alpha_v4hi_s): New.
4278         (alpha_init_builtins): Init them.  Set nothrow and const attributes
4279         on builtins.
4280         (alpha_fold_builtin_cmpbge, alpha_fold_builtin_zapnot,
4281         alpha_fold_builtin_extxx, alpha_fold_builtin_insxx,
4282         alpha_fold_builtin_mskxx, alpha_fold_builtin_umulh,
4283         alpha_fold_vector_minmax, alpha_fold_builtin_perr,
4284         alpha_fold_builtin_pklb, alpha_fold_builtin_pkwb,
4285         alpha_fold_builtin_unpkbl, alpha_fold_builtin_unpkbw,
4286         alpha_fold_builtin_cttz, alpha_fold_builtin_ctlz,
4287         alpha_fold_builtin_ctpop, alpha_fold_builtin): New.
4288         (TARGET_FOLD_BUILTIN): New.
4289         * config/alpha/alpha.md (UNSPEC_CTTZ): Remove.
4290         (UNSPEC_CTLZ, UNSPEC_CTPOP): Remove.
4291         (ffsdi2): Use ctz.
4292         (cttz, builtin_cttz, builtin_ctlz, builtin_ctpop): Remove.
4293
4294 2005-03-08  Ira Rosen  <irar@il.ibm.com>
4295
4296         PR tree-optimization/20122
4297         * tree-vect-analyze.c (vect_object_analysis): Analyze initial
4298         condition of access function instead of base.
4299
4300 2005-03-07  Jeff Law  <law@redhat.com>
4301             Steven Bosscher  <stevenb@suse.de>
4302
4303         * tree-cfg.c (find_taken_edge_computed_goto): New function.
4304         (find_taken_edge): Call find_taken_edge_computed_goto as
4305         appropriate.  Allow any gimple invariant rather than just
4306         INTEGER_CST for VAL.
4307         (cleanup_control_flow): Cleanup a computed goto which has turned
4308         into a simple goto.
4309         (tree_merge_blocks): If block B has any forced labels, move
4310         them to the start of block A.
4311         * tree-ssa-dom.c (thread_across_edge): Allow threading across
4312         computed gotos as well.
4313         * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Handle
4314         removal of unnecessary computed gotos too.
4315         (lookup_redirection_data): Fix type of INSERT argument.  Callers
4316         updated.
4317
4318 2005-03-08  Kazu Hirata  <kazu@cs.umass.edu>
4319
4320         * tree-ssa-phiopt.c: Update copyright.  Fix indentations.
4321         Remove trailing spaces.
4322
4323         * gimplify.c (gimple_push_bind_expr, gimple_pop_bind_expr,
4324         unshare_all_trees): Make them static.
4325         * tree-gimple.h: Remove the corresponding prototypes.
4326
4327         * diagnostic.h: Remove unused prototype
4328         debug_output_buffer.
4329         * modulo-sched.c: Remove unused prototype
4330         set_row_column_for_ps.
4331
4332         * tree-ssa-phiopt.c (tree_ssa_phiopt,
4333         replace_phi_edge_with_variable): Remove unused variable i.
4334
4335 2005-03-07  Per Bothner  <per@bothner.com>
4336
4337         * tree.h (DECL_IS_BUILTIN): Reverted my patch from earlier today.
4338
4339 2005-03-06  Andrew Pinski  <pinskia@physics.uc.edu>
4340
4341         PR tree-opt/17671
4342         * tree-ssa-phiopt.c (tree_ssa_phiopt): Rewrite so we base the
4343         bbs on the COND_EXPR instead of the PHI_NODEs.
4344         (candidate_bb_for_phi_optimization): Remove.
4345         (replace_phi_with_stmt): Rename to ...
4346         (replace_phi_edge_with_variable): this and change so that we
4347         replace the phi argument instead of removing the PHI.
4348         (conditional_replacement): Change so we deal with PHI with more
4349         than two arguments.
4350         (value_replacement): Likewise.
4351         (abs_replacement): Likewise.
4352
4353 2005-03-07  Aldy Hernandez  <aldyh@redhat.com>
4354
4355         * config/rs6000/rs6000-protos.h: Rename output_e500_flip_eq_bit to
4356         output_e500_flip_gt_bit.
4357
4358         * config/rs6000/rs6000.c (print_operand): case D: Print out bit 31
4359         as bit 31.
4360         (rs6000_generate_compare): Fix logic to look at the correct bits.
4361         (output_e500_flip_eq_bit): Rename to output_e500_flip_gt_bit.
4362         Look at GT bit.
4363         (rs6000_emit_sCOND): Rename gen_e500_flip_eq_bit to
4364         gen_e500_flip_gt_bit.  Rename gen_move_from_CR_eq_bit to
4365         gen_move_from_CR_gt_bit.
4366
4367         * config/rs6000/rs6000.md ("move_from_CR_eq_bit"): Change bit
4368         ("move_from_CR_eq_bit"): Rename to move_from_CR_gt_bit.
4369         (UNSPEC_MV_CR_EQ): Rename to UNSPEC_MV_CR_GT.
4370
4371         * config/rs6000/spe.md ("e500_cr_ior_compare"): New.
4372         (E500_CR_IOR_COMPARE): New constant.
4373
4374 2005-03-08  Earl Chew <earl_chew@agilent.com>
4375             David Billinghurst <David.Billinghurst@riotinto.com>
4376
4377         * config/i386/host-cygwin.c: New file to support precompiled
4378         headers on cygwin
4379         * config/i386/x-cygwin: Use host-cygwin.c on cygwin host
4380         * config.host: Use above files for cygwin host.
4381
4382 2005-03-07  David Edelsohn  <edelsohn@gnu.org>
4383
4384         * fold-const.c (fold_binary_op_with_conditional_arg): Fix typo
4385         ordering ops from earlier change.
4386
4387 2005-03-07  Per Bothner  <per@bothner.com>
4388
4389         Various fixes to allow us to again build if --enable-mapped-location:
4390         * c-decl.c (finish_function): Use SET_EXPR_LOCATION instead of
4391         unavailable annotate_with_file_line, if USE_MAPPED_LOCATION.
4392         * tree-cfg.c (remove_bb): If USE_MAPPED_LOCATION, change type of
4393         local variable loc. Change logic appropriately.
4394         * tree-vect-transform.c (vect_finish_stmt_generation): Use
4395         EXPR_LOCATION rather than EXPR_LOCUS if USE_MAPPED_LOCATION.
4396         * c-parser.c (c_parser_for_statement): Initialize loc variable.
4397         * tree.h (DECL_IS_BUILTIN): Temporarily revert definition of
4398         DECL_IS_BUILTIN in the USE_MAPPED_LOCATION because of jc1 issues.
4399
4400 2005-03-07  Richard Sandiford  <rsandifo@redhat.com>
4401
4402         PR rtl-optimization/19683
4403         * reload1.c (choose_reload_regs): Pass the number of bits, not the
4404         number of bytes, to smallest_int_for_mode.  Fix arguments to
4405         REG_CANNOT_CHANGE_MODE_P.
4406
4407 2005-03-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
4408
4409         * reorg.c (relax_delay_slots): Check that the jump is
4410         conditional before trying to invert it.
4411
4412 2005-03-07  Kazu Hirata  <kazu@cs.umass.edu>
4413
4414         * bb-reorder.c (max_entry_frequency, max_entry_frequency):
4415         Make them static.
4416
4417         * calls (stack_arg_under_construction): Make it static.
4418
4419         * flow.c (regs_live_at_setjmp): Make it static.
4420         * flow.h: Remove the corresponding prototype.
4421
4422         * reload1.c (reload_startobj, reload_firstobj,
4423         something_needs_operands_changed, reload_inherited,
4424         reload_inheritance_insn, reload_override_in,
4425         reload_spill_index): Make them static.
4426
4427         * recog.c (verify_changes): Make it static.
4428         * recog.h: Remove the corresponding prototype.
4429
4430         * cfgbuild.c (find_sub_basic_blocks): Remove.
4431         * basic-block.h: Remove the corresponding prototype.
4432         * cfgexpand.c, cfgrtl.c: Don't mention find_sub_basic_blocks
4433         in comments.
4434         * doc/cfg.texi: Don't mention find_sub_basic_blocks.
4435
4436         * tree-ssa-operands.c (check_build_stmt): Remove.
4437
4438         * stor-layout.c (set_alignment): Remove.
4439         * tree.h: Remove the corresponding prototype.
4440
4441         * tree-ssa-pre.c (has_abnormal_preds): Make it static.
4442
4443         * tree-ssa-dce.c (control_dependence_map,
4444         visited_control_parents): Make them static.
4445
4446         * cfghooks.c (verify_flow_info): Remove local variable
4447         num_bb_notes.
4448
4449         * cfgrtl.c (rtl_verify_flow_info_1): Remove local variable
4450         last_bb_seen.
4451
4452         * loop-unswitch.c (unswitch_loop): Remove local variable src.
4453
4454 2005-03-07  David Billinghurst <David.Billinghurst@riotinto.com>
4455
4456         * config/i386/cygwin1.c(mingw_scan): Use xstrdup in calls to putenv.
4457
4458 2005-03-07  Joseph S. Myers  <joseph@codesourcery.com>
4459
4460         * config/ia64/hpux.h (LINK_SPEC): Add -z.
4461         * config/ia64/ia64.c (ia64_function_value): Return a REG not a
4462         PARALLEL for an empty structure.
4463
4464 2005-03-07  Kazu Hirata  <kazu@cs.umass.edu>
4465
4466         * fold-const.c (fold_binary): Remove handling of RANGE_EXPR.
4467
4468         * fold-const.c (fold_binary): Unroll the very first "for"
4469         loop.
4470
4471 2005-03-06  David Edelsohn  <edelsohn@gnu.org>
4472
4473         * config/rs6000/predicates.md (branch_comparison_operator): Remove
4474         redundant match_code test.
4475         (scc_comparison_operator): Swap match_operand and match_code
4476         tests.
4477         (branch_positive_comparison_operator): Same.
4478         (trap_comparison_operator): Use comparison_operator and swap with
4479         match_code test.
4480
4481 2005-03-06  Marek Michalkiewicz  <marekm@amelek.gda.pl>
4482
4483         PR target/20288
4484         * config/avr/avr.c (print_operand): Add 'p' and 'r'.
4485         (out_movhi_r_mr): Read low byte of volatile MEM first.
4486         (out_movhi_mr_r): Write high byte of volatile MEM first.
4487
4488 2005-03-05  Kazu Hirata  <kazu@cs.umass.edu>
4489
4490         * cselib.c (reg_values, reg_values_size): Make them static.
4491
4492         * cse.c (cse_reg_info_table): Make it static.
4493
4494         * fold-const.c (fold_unary): Use build1 instead of copy_node.
4495
4496 2005-03-06  Zdenek Dvorak  <dvorakz@suse.cz>
4497
4498         * cse.c (find_best_addr): Use canon_for_address.
4499
4500 2005-03-06  Kazu Hirata  <kazu@cs.umass.edu>
4501
4502         * cse.c (fold_rtx_subreg, fold_rtx_mem): New.
4503         (fold_rtx): Call fold_rtx_subreg and fold_rtx_mem to handle
4504         SUBREG and MEM, respectively.
4505
4506         * fold-const.c (fold_binary): Use code instead of t.
4507
4508         * fold-const.c (optimize_minmax_comparison): Take decomposed
4509         arguments code, type, op0, and op1 instead of t.
4510         (fold_binary): Update a call to optimize_minmax_comparison.
4511
4512         * fold-const.c (fold_range_test): Take decomposed arguments
4513         code, type, op0, and op1 instead of t.
4514         (fold_binary): Update a call to fold_range_test.
4515
4516         * fold-const.c (fold_binary_op_with_conditional_arg): Take
4517         decomposed arguments code, type, op0, and op1 instead of t.
4518         (fold_binary): Update a call to fold_range_test.
4519
4520 2005-03-06  Kazu Hirata  <kazu@cs.umass.edu>
4521
4522         * fold-const.c (fold_binary): Avoid directly using the original
4523         expression t as much as possible.
4524
4525 2005-03-05  Kazu Hirata  <kazu@cs.umass.edu>
4526
4527         * c-semantics.c (build_stmt): Use TYPE_P instead of
4528         IS_NON_TYPE_CODE_CLASS.
4529         * tree.h (IS_NON_TYPE_CODE_CLASS): Remove.
4530         (NON_TYPE_CHECK): Use TYPE_P instead of
4531         IS_NON_TYPE_CODE_CLASS.
4532
4533         * fold-const.c (fold): Remove handling of binary expressions.
4534
4535 2005-03-05  James A. Morrison  <phython@gcc.gnu.org>
4536
4537         * doc/c-tree.texi: Wrap comments in @r{}.
4538         * doc/cpp.texi: Likewise.
4539         * doc/cppinternals.texi: Likewise.
4540         * doc/extend.texi: Likewise.
4541         * doc/md.texi: Likewise.
4542         * doc/objc.texi: Likewise.
4543         * doc/sourcebuild.texi: Likewise.
4544         * doc/tm.texi: Likewise.
4545         * doc/tree-ssa.texi
4546
4547 2005-03-05  Kazu Hirata  <kazu@cs.umass.edu>
4548
4549         * predict.c (apply_return_prediction): Standardize PHI chain
4550         walking.
4551         * tree-ssa.c (ssa_redirect_edge): Likewise.
4552
4553         * genattrtab.c, genemit.c, genoutput.c, genrecog.c,
4554         gensupport.c, jump.c, tree-phinodes.c, unwind-dw2-fde-glibc.c:
4555         Update copyright.
4556
4557         * tree-phinodes.c (remove_phi_node): Drop the last argument.
4558         * tree-flow.h: Adjust the prototype for remove_phi_node.
4559         * lambda-code.c (perfect_nestify): Adjust a call to
4560         remove_phi_node.
4561         * tree-cfg.c
4562         (remove_phi_nodes_and_edges_for_unreachable_block): Likewise.
4563         * tree-outof-ssa.c (eliminate_virtual_phis, remove_ssa_form):
4564         Likewise.
4565         * tree-ssa-dce.c (remove_dead_phis): Likewise.
4566         * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
4567         * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
4568         * tree-ssa.c (kill_redundant_phi_nodes): Likewise.
4569
4570         * combine.c (simplify_and_const_int): Use gen_int_mode instead
4571         of GEN_INT (trunc_int_for_mode (...)).
4572         * loop-iv.c (iv_number_of_iterations): Likewise.
4573         * postreload.c (reload_cse_move2add): Likewise.
4574         * simplify-rtx.c (simplify_const_unary_operation,
4575         simplify_const_binary_operation): Likewise.
4576         * stor-layout.c (get_mode_bounds): Likewise.
4577
4578         * fold-const.c (fold_binary): New.
4579         (fold): Call fold_binary on binary expressions.
4580
4581 2005-03-05  Richard Sandiford  <rsandifo@redhat.com>
4582
4583         * doc/invoke.texi: Document new MIPS -msym32 and -mno-sym32 options.
4584         * config/mips/mips.h (MASK_SYM32, TARGET_SYM32): New macros.
4585         (TARGET_SWITCHES): Add -msym32 and -mno-sym32.
4586         (ABI_HAS_64BIT_SYMBOLS): Set to false if TARGET_SYM32.
4587         (ASM_SPEC): Pass down -msym32 and -mno-sym32.
4588
4589 2005-03-04  Devang Patel  <dpatel@apple.com>
4590
4591         PR tree-optimization/18815
4592         * tree-if-conv.c (combine_blocks): Adjust loop header edges for
4593         loops with zero exit edges.
4594
4595 2005-03-04  Devang Patel  <dpatel@apple.com>
4596
4597         * doc/invoke.texi: Remove reference to webpage that does not exist.
4598
4599 2005-03-04  John David Anglin  <dave.danglin@nrc-cnrc.gc.ca>
4600             Joseph S. Myers  <joseph@codesourcery.com>
4601
4602         PR c++/19797
4603         * pa/elf.h, pa64-hpux.h, som.h (ASM_OUTPUT_EXTERNAL_REAL): Define.
4604         (ASM_OUTPUT_EXTERNAL): Call pa_hpux_asm_output_external.
4605         * pa-protos.h (pa_hpux_asm_output_external): Add prototype.
4606         * pa.c (get_plabel): Change argument to symbol_ref.  Call
4607         maybe_get_identifier instead of get_identifier.
4608         (pa_hpux_asm_output_external, pa_hpux_file_end): New functions.
4609         (struct deferred_plabel): Replace name field with symbol field.
4610         (TARGET_ASM_FILE_END): Define as pa_hpux_file_end if
4611         ASM_OUTPUT_EXTERNAL_REAL is defined.
4612         (output_global_address): Use output_addr_const for output of all
4613         symbol_refs.
4614         (output_deferred_plabels): Use symbol_ref instead of name for address
4615         output.
4616         * pa.h (SYMBOL_FLAG_REFERENCED, SYMBOL_REF_REFERENCED_P,
4617         ASM_OUTPUT_SYMBOL_REF): New macros.
4618         * som.h (ASM_OUTPUT_EXTERNAL_LIBCALL): Use assemble_name_raw.  Update
4619         comment.
4620         (ASM_WEAKEN_LABEL): Use targetm.asm_out.globalize_label to globalize
4621         label.
4622
4623 2005-03-05  Joseph S. Myers  <joseph@codesourcery.com>
4624
4625         * config.gcc (hppa*64*-*-hpux11*): Use pa/pa-hpux1111.h for
4626         *-*-hpux11.[1-9]*, not just for *-*-hpux11.11.
4627
4628 2005-03-04  Jeff Law  <law@redhat.com>
4629
4630         * basic-block.h (rediscover_loops_after_threading): Declare.
4631         * tree-ssa-dom.c: Include cfgloop.h.
4632         (tree_ssa_dominator_optimize): Discover loops and some basic
4633         properties.  Remove forwarder blocks recreated by loop header
4634         canonicalization.  Also mark backedges in the CFG.
4635         * tree-ssa-threadupdate.c: Include cfgloop.h
4636         (rediscover_loops_after_threading): Define.
4637         (struct local_info): New field, JUMP_THREADED.
4638         (prune_undesirable_thread_requests): New function.
4639         (redirect_edges): Clear EDGE_ABNORMAL.  If edges were threaded
4640         then record that fact for the callers of redirct_edges.
4641         (thread_block): If BB has incoming backedges, then call
4642         prune_undesirable_thraed_requests.    Note when we are
4643         going to have to rediscover loop information.  Return a
4644         boolean indicating if any jumps were threaded.
4645         (thread_through_all_blocks): Bubble up boolean indicating
4646         if any jumps were threaded.
4647         * Makefile.in (tree-ssa-dom.o): Depend on cfgloop.h
4648         (tree-ssa-threadupdate.o): Similarly.
4649
4650 2005-03-04  Kazu Hirata  <kazu@cs.umass.edu>
4651
4652         * fold-const.c (fold_ternary): Unroll the "for" loop to
4653         extract operands.
4654
4655 2005-03-04  Andrew Haley  <aph@redhat.com>
4656
4657         * unwind-dw2-fde-glibc.c (struct
4658         unw_eh_callback_data.check_cache): New field.
4659         (frame_hdr_cache): New.
4660         (_Unwind_IteratePhdrCallback): Add ext_dl_phdr_info.
4661         Cache frame header info.
4662
4663 2005-03-04  Richard Sandiford  <rsandifo@redhat.com>
4664
4665         * rtl.h (copy_rtx_ptr_loc, print_rtx_ptr_loc, join_c_conditions)
4666         (print_c_condition): Declare.
4667         * read-rtl.c (ptr_loc): New structure.
4668         (ptr_locs, ptr_loc_obstack, joined_conditions)
4669         (joined_conditions_obstack): New variables.
4670         (leading_ptr_hash, leading_ptr_eq_p, set_rtx_ptr_loc)
4671         (get_rtx_ptr_loc, copy_rtx_ptr_loc, print_rtx_ptr_loc)
4672         (join_c_conditions, print_c_condition): New functions.
4673         (apply_macro_to_string): Associate the new string with the same
4674         source location as the old one.
4675         (add_condition_to_string): Use join_c_conditions.
4676         (read_string): Use set_rtx_ptr_loc to record a filename and line
4677         number for the string.
4678         (read_rtx): Initialize the new variables above.
4679         * genattrtab.c (write_test_expr, write_attr_value): Use
4680         print_c_condition.
4681         * genconditions.c (write_header): Don't define MAYBE_EVAL.  Move its
4682         comment above the GCC_VERSION check.
4683         (write_one_condition): Use print_rtx_ptr_loc and print_c_condition.
4684         Inline the definition of MAYBE_EVAL.
4685         * genemit.c (gen_expand, gen_split): Use print_rtx_ptr_loc.
4686         * genoutput.c (process_template): Likewise.
4687         * genpreds.c (write_predicate_subfunction): Likewise.
4688         (write_predicate_expr): Use print_c_condition.
4689         * genrecog.c (write_cond): Likewise.
4690         * gensupport.c (process_rtx): Use join_c_conditions to join the
4691         conditions of a define_insn_and_split.  Record a source location
4692         for the string after the "&&".
4693         (alter_test_for_insn): Use join_c_conditions.
4694
4695 2005-03-04  Andrew Pinski  <pinskia@physics.uc.edu>
4696
4697         Revert for now:
4698         2005-03-03  James A. Morrison  <phython@gcc.gnu.org>
4699         PR tree-optimization/15784
4700         * fold-const.c (fold): Fold ~A + 1 to -A.  Fold -A - 1
4701         and -1 - A to ~A.
4702
4703 2005-03-04  Ben Elliston  <bje@au.ibm.com>
4704
4705         * gcc.c (option_map): Add --coverage.
4706         (LINK_COMMAND_SPEC): Pass -lgcov for `coverage'.
4707         (cc1_options): Pass -fprofile-arcs -ftest-coverage for `coverage'.
4708         * config/darwin.h: Pass -lgcov for `coverage'.
4709         * doc/invoke.texi (Debugging Options): Document --coverage.
4710
4711 2005-03-04  Kazu Hirata  <kazu@cs.umass.edu>
4712
4713         * gcse.c (bypass_block): Use find_edge wherever possible.
4714
4715 2005-03-03  Daniel Berlin <dberlin@dbrelin.org>
4716
4717         Fix PR debug/20253
4718
4719         * c-opts.c (c_common_parse_file): Call start_source_file
4720         and end_source_file at the approriate times.
4721
4722         * dwarf2out.c (dwarf2out_finish): Don't auto-end
4723         the main file, it will be done for us now.
4724
4725 2005-03-04  Kazu Hirata  <kazu@cs.umass.edu>
4726
4727         * fold-const.c (fold_ternary): New.
4728         (fold): Call fold_ternary on ternary expressions.  Remove
4729         handling of ternary expressions.
4730
4731 2005-03-03  James A. Morrison  <phython@gcc.gnu.org>
4732
4733         PR tree-optimization/15784
4734         * fold-const.c (fold): Fold ~A + 1 to -A.  Fold -A - 1
4735         and -1 - A to ~A.
4736
4737 2005-03-03  David Edelsohn  <edelsohn@gnu.org>
4738
4739         * config/rs6000/predicates.md (branch_comparison_operator):
4740         Convert from C block to conditional format.
4741
4742 2005-03-03  Jan Hubicka  <jh@suse.cz>
4743
4744         * tree-dfa.c (add_referenced_var): Don't walk initializer of external
4745         and non-constant public variables.
4746
4747 2005-03-03  Kazu Hirata  <kazu@cs.umass.edu>
4748
4749         * tree-cfg.c (stmt_starts_bb_p): Clean up by replacing code
4750         with LABEL_EXPR.
4751
4752         * cfgexpand.c (construct_exit_block): Use EDGE_PRED instead of
4753         EDGE_I.
4754
4755         * tree-phinodes.c (remove_phi_node): Clean up by factoring out
4756         calls to release_ssa_name and release_phi_node.
4757
4758         * fold-const.c (fold): Remove handling of unary expressions.
4759
4760         * fold-const.c (fold_unary): Avoid directly using the original
4761         expression t as much as possible.
4762
4763 2005-03-03  Roger Sayle  <roger@eyesopen.com>
4764             Andrew Pinski  <pinskia@physics.uc.edu>
4765
4766         * jump.c (redirect_exp_1): If nlabel is a NULL pointer create a
4767         RETURN rtx, and not a LABEL_REF containing a NULL pointer.
4768
4769 2005-03-03  Hans-Peter Nilsson  <hp@axis.com>
4770
4771         Describe special registers SRP and MOF as allocatable registers.
4772         * config/cris/cris.c (cris_md_asm_clobbers): New function.
4773         (TARGET_MD_ASM_CLOBBERS): Define to cris_md_asm_clobbers.
4774         (cris_conditional_register_usage): Enable CRIS_MOF_REGNUM if
4775         TARGET_HAS_MUL_INSNS.
4776         (cris_print_operand) <case 'd'>: New case.
4777         <case REG>: Allow CRIS_MOF_REGNUM and CRIS_SRP_REGNUM.
4778         * config/cris/cris.h (CRIS_PC_REGNUM, CRIS_SRP_REGNUM): Don't
4779         define.
4780         (FIRST_PSEUDO_REGISTER, FIXED_REGISTERS, CALL_USED_REGISTERS)
4781         (REG_ALLOC_ORDER): Update for MOF.
4782         (enum reg_class): New members MOF_REGS, GENERAL_REGS and
4783         SPECIAL_REGS.
4784         (GENERAL_REGS): No longer a define of ALL_REGS.
4785         (REGNO_REG_CLASS, REG_CLASS_CONTENTS, REG_CLASS_NAMES)
4786         (PREFERRED_RELOAD_CLASS, REGISTER_NAMES, DBX_REGISTER_NUMBER):
4787         Adjust accordingly.
4788         (CRIS_SPECIAL_REGS_CONTENTS): New macro.
4789         (REG_CLASS_FROM_LETTER): Allocate 'h' and 'x'.
4790         (SECONDARY_RELOAD_CLASS): Define.
4791         (STACK_POINTER_REGNUM): Define as CRIS_SP_REGNUM.
4792         (FRAME_POINTER_REGNUM): Define as CRIS_FP_REGNUM.
4793         (ARG_POINTER_REGNUM): Define as CRIS_AP_REGNUM.
4794         (STATIC_CHAIN_REGNUM): Define as CRIS_STATIC_CHAIN_REGNUM.
4795         (REGISTER_MOVE_COST): Define.
4796         (PIC_OFFSET_TABLE_REGNUM): Define in terms of CRIS_GOT_REGNUM.
4797         * config/cris/cris.md (CRIS_GOT_REGNUM, CRIS_STATIC_CHAIN_REGNUM)
4798         (CRIS_FP_REGNUM, CRIS_SP_REGNUM, CRIS_SRP_REGNUM, CRIS_AP_REGNUM)
4799         (CRIS_MOF_REGNUM): New define_constants.
4800         ("*movsi_internal", "movhi", "movqi", "movsf"): Add alternatives for
4801         special registers.
4802         ("reload_inhi", "reload_outhi", "reload_inqi", "reload_outqi"):
4803         New patterns.
4804         ("umulhisi3", "umulqihi3", "mulsi3", "mulqihi3", "mulhisi3")
4805         ("mulsidi3", "umulsidi3", "smulsi3_highpart", "umulsi3_highpart"):
4806         Adjust for MOF being properly described as a register.
4807         (indir_to_reg_split): Name this split.  Conditionalize on the
4808         destination register being a general register.
4809         (movei): Conditionalize on on operands 0 and 1 having the same
4810         register class.
4811
4812 2005-03-03  Alan Modra  <amodra@bigpond.net.au>
4813
4814         PR target/20277
4815         * config/rs6000/rs6000.c (rs6000_override_options): Don't allow
4816         -mcpu to override any other explicitly given flags.
4817
4818 2005-03-02  J"orn Rennecke <joern.rennecke@st.com>
4819
4820         * recog.c (verify_changes, confirm_change_group): New functions,
4821         broken out of apply_change_group.
4822         (apply_change_group): Use them.
4823         * recog.h (verify_change, confirm_change_group): Declare.
4824         * rtl.h (redirect_jump_2): Declare.
4825         * jump.c (redirect_exp, invert_exp): Delete.
4826         (invert_exp_1): Take second parameter.  Return value.  Changed caller.
4827         (redirect_jump_2): New function, broken out of redirect_jump.
4828         (redirect_jump): Use redirect_jump_1 and redirect_jump_2.
4829         (invert_jump): Use invert_jump_1 and redirect_jump_2.
4830         * ifcvt.c (dead_or_predicable): Use redirect_jump_2.
4831
4832 2005-03-02  Geoffrey Keating  <geoffk@apple.com>
4833
4834         * varasm.c (named_section): Use xstrdup rather than doing it by
4835         hand.
4836
4837         * config/darwin8.h (LIB_SPEC): Switch -lmx and -lSystem.
4838
4839 2005-03-02  Devang Patel  <dpatel@apple.com>
4840
4841         Undo PR tree-optimization/18815 fix.
4842
4843 2005-03-02  Devang Patel  <dpatel@apple.com>
4844
4845         PR tree-optimization/18815
4846         * tree-if-conv.c (combine_blocks): Adjust loop header edges for
4847         loops with zero exit edges.
4848
4849 2005-03-02  Kazu Hirata  <kazu@cs.umass.edu>
4850
4851         * cfg.c (connect_src, connect_dest, disconnect_src,
4852         disconnct_dest): New.
4853         (unchecked_make_edge, remove_edge, redirect_edge_succ,
4854         redirect_edge_pred): Use the new functions.
4855
4856         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Call
4857         free_dominance_info only when needed.
4858
4859 2005-03-02  David Edelsohn  <edelsohn@gnu.org>
4860
4861         PR target/20276
4862         * config/rs6000/predicates.md (reg_or_cint64_operand): Fix typo.
4863         (reg_or_sub_cint64_operand): Same.
4864
4865 2005-03-02  Jeff Law  <law@redhat.com>
4866
4867         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Fix setting of
4868         CFG_ALTERED in the main DOM iteration loop.
4869
4870 2005-03-02  Mark Mitchell  <mark@codesourcery.com>
4871
4872         PR c++/19916
4873         * varasm.c (initializer_constant_valid_p): Allow conversions
4874         between OFFSET_TYPEs.  Tidy.
4875
4876 2005-03-02  Hans-Peter Nilsson  <hp@axis.com>
4877
4878         * config/cris/cris.md ("return"): Remove epilogue delay list
4879         sanity check.
4880
4881 2005-03-02  Daniel Jacobowitz  <dan@codesourcery.com>
4882
4883         * config/arm/linux-elf.h (ARM_FUNCTION_PROFILER): Do not use (PLT)
4884         for Thumb.
4885         * config/arm/netbsd-elf.h (ARM_FUNCTION_PROFILER): Likewise.
4886
4887 2005-03-02  Kazu Hirata  <kazu@cs.umass.edu>
4888
4889         * cfgloop.h, cfgloopanal.c, cfgloopmanip.c, conflict.c,
4890         loop-init.c, loop-unroll.c, print-tree.c, reg-notes.def,
4891         config/m68k/m68k.c, config/mips/mips.h,
4892         config/rs6000/rs6000-protos.h, doc/contrib.texi,
4893         doc/include/gcc-common.texi: Update copyright.
4894
4895         PR middle-end/18029 and PR middle-end/18030
4896         * expr.c (optimize_bitfield_assignment_op): Add a special case
4897         to handle BIT_IOR_EXPR and BIT_XOR_EXPR.
4898
4899         * fold-const.c (fold_unary): New.
4900         (fold): Call fold_unary on unary expressions.
4901
4902 2005-03-02  Richard Guenther  <rguenth@gcc.gnu.org>
4903
4904         * cgraph.h (struct cgraph_edge): Add prev_caller and
4905         prev_callee fields.
4906         (cgraph_node_remove_callees): Export.
4907         * cgraph.c (cgraph_create_edge): Initialize prev_caller
4908         and prev_callee.
4909         (cgraph_edge_remove_callee): New function.
4910         (cgraph_edge_remove_caller): Likewise.
4911         (cgraph_remove_edge): Use.
4912         (cgraph_redirect_edge_callee): Likewise.
4913         (cgraph_node_remove_callees): New function.
4914         (cgraph_node_remove_callers): Likewise.
4915         (cgraph_remove_node): Use.
4916         * tree-optimize.c (tree_rest_of_compilation): Use
4917         cgraph_node_remove_callees instead of manual loop.
4918         * cgraphunit.c (cgraph_finalize_function): Likewise.
4919         (cgraph_expand_function): Likewise.
4920         (cgraph_remove_unreachable_nodes): Likewise.
4921
4922 2005-03-02  Joseph S. Myers  <joseph@codesourcery.com>
4923
4924         PR c/8927
4925         * c-tree.h (undeclared_variable, build_external_ref): Add extra
4926         argument.
4927         * c-decl.c (undeclared_variable): Take location as argument.
4928         * c-typeck.c (build_external_ref): Likewise.
4929         * c-parser.c (c_parser_postfix_expression): Pass location of
4930         identifier to build_external_ref.
4931
4932 2005-03-01  David Edelsohn  <edelsohn@gnu.org>
4933
4934         * config/rs6000/rs6000.md (cceq splitter): Use operand mode, not
4935         CCEQ mode for branch_positive_comparison_operator test.
4936         * config/rs6000/predicates (branch_comparison_operator): Revert to
4937         define_predicate.
4938         (scc_comparison_operator): Same.
4939         (branch_positive_comparison_operator): Same.
4940
4941 2005-03-01  Hans-Peter Nilsson  <hp@axis.com>
4942
4943         * config/cris/cris.c (cris_eligible_for_epilogue_delay)
4944         (cris_delay_slots_for_epilogue): Remove.
4945         (save_last): Move into cris_target_asm_function_epilogue.
4946         (cris_target_asm_function_epilogue): Remove tests for file being
4947         NULL.
4948         * config/cris/cris-protos.h (cris_eligible_for_epilogue_delay)
4949         (cris_delay_slots_for_epilogue): Remove prototypes.
4950         * config/cris/cris.h (DELAY_SLOTS_FOR_EPILOGUE)
4951         (ELIGIBLE_FOR_EPILOGUE_DELAY): Do not define.
4952
4953 2005-03-01  David Edelsohn  <edelsohn@gnu.org>
4954
4955         * config/rs6000/predicates.md (branch_comparison_operator): Change
4956         to define_special_predicate.
4957         (scc_comparison_operator): Same.
4958         (branch_positive_comparison_operator): Same.
4959
4960 2005-03-01  Daniel Berlin <dberlin@dberlin.org>
4961
4962         * Makefile.in (tree-ssa-sink.o): New.
4963         (OBJS-common): Add tree-ssa-sink.o.
4964         * common.opt: Add -ftree-sink
4965         * opts.c (decode_options): flag_tree_sink is set at O1 or higher.
4966         * timevar.def (TV_TREE_SINK): new timevar.
4967         * tree-flow.h (is_hidden_global_store): Prototype.
4968         * tree-optimize.c (init_tree_optimization_passes): Add
4969         pass_sink_code.
4970         * tree-pass.h (pass_sink_code): New.
4971         * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Move checking
4972         for non-obvious global store store to is_hidden_global_store, and
4973         call that new function.
4974         * tree-ssa-sink.c: New file.
4975         * doc/invoke.texi: Document -fdump-tree-sink and -ftree-sink.
4976         * doc/passes.texi: Document forward store motion.
4977         * testsuite/gcc.dg/tree-ssa/ssa-sink-1.c: New test
4978         * testsuite/gcc.dg/tree-ssa/ssa-sink-2.c: New test
4979         * testsuite/gcc.dg/tree-ssa/ssa-sink-3.c: New test
4980         * testsuite/gcc.dg/tree-ssa/ssa-sink-4.c: New test
4981
4982 2005-03-01  Per Bothner  <per@bothner.com>
4983
4984         * diagnostic.c (diagnostic_build_prefix): If USE_MAPPED_LOCATION
4985         and we have a non-zero column-number, add it to the message.
4986         Also factor out the diagnostic_kind_text.
4987
4988 2005-03-01  Zdenek Dvorak  <dvorakz@suse.cz>
4989
4990         * cfgloop.c (flow_loop_entry_edges_find, flow_loop_exit_edges_find,
4991         flow_loop_pre_header_scan, flow_loop_pre_header_find,
4992         flow_loop_scan): Removed.
4993         (flow_loop_dump): Do not dump removed fields.
4994         (flow_loop_free): Do not free removed fields.
4995         (flow_loops_find): Flags argument removed.  Do not call flow_loop_scan.
4996         (loop_exit_edge_p): New function.
4997         * cfgloop.h (struct loop): Removed fields pre_header, pre_header_edges,
4998         num_pre_header_edges, entry_edges, num_entries, exit_edges,
4999         num_exits, exits_doms.
5000         (LOOP_TREE, LOOP_PRE_HEADER, LOOP_ENTRY_EDGES, LOOP_EXIT_EDGES,
5001         LOOP_EDGES, LOOP_ALL): Removed.
5002         (flow_loop_scan): Declaration removed.
5003         (loop_exit_edge_p, mark_loop_exit_edges): Declare.
5004         * cfgloopmanip.c (create_loop_notes): Do not pass flags to
5005         flow_loops_find.
5006         * ifcvt.c (mark_loop_exit_edges): Moved to cfgloopanal.c.
5007         (if_convert): Call flow_loops_find and flow_loops_free
5008         when calling mark_loop_exit_edges.
5009         * cfgloopanal.c (mark_loop_exit_edges): Moved from
5010         ifcvt.c.  Removed the flow_loops_find, flow_loops_free and
5011         free_dominance_info calls.
5012         * loop-init.c (flow_loops_find): Ditto.
5013         * passes.c (rest_of_handle_branch_prob): Ditto.
5014         * lambda-code.c (perfect_nestify): Do not call flow_loops_find.
5015         * loop-unroll.c (analyze_insns_in_loop): Do not use
5016         EDGE_LOOP_EXIT.
5017         * predict.c (predict_loops): Do not call flow_loop_scan.
5018         Use get_loop_exit_edges.
5019         (tree_estimate_probability): Do not pass flags to flow_loops_find.
5020         * tree-if-conv.c (bb_with_exit_edge_p): Take loop as argument.
5021         Do not use EDGE_LOOP_EXIT.
5022         (tree_if_convert_cond_expr, if_convertible_modify_expr_p): Pass loop
5023         to bb_with_exit_edge_p.
5024         (if_convertible_loop_p): Do not call flow_loop_scan.  Use
5025         loop->single_exit.  Do not use EDGE_LOOP_EXIT.  Pass loop
5026         to bb_with_exit_edge_p.
5027         (combine_blocks): Pass loop to bb_with_exit_edge_p.  Do not use
5028         EDGE_LOOP_EXIT.
5029         * tree-loop-linear.c (linear_transform_loops): Do not call
5030         flow_loop_scan.  Use loop->single_exit.
5031         * tree-vect-analyze.c (vect_analyze_operations): Use loop->single_exit.
5032         (vect_analyze_loop_form): Do not call flow_loop_scan.
5033         * tree-vect-transform.c (vect_update_ivs_after_vectorizer): Use
5034         loop->single_exit.
5035         (vect_do_peeling_for_loop_bound): Use loop_preheader_edge and
5036         loop->single_exit.
5037         * tree-vectorizer.c (slpeel_update_phis_for_duplicate_loop,
5038         slpeel_make_loop_iterate_ntimes, slpeel_can_duplicate_loop_p,
5039         slpeel_tree_duplicate_loop_to_edge_cfg,
5040         slpeel_verify_cfg_after_peeling, slpeel_tree_peel_loop_to_edge):
5041         Use loop_preheader_edge and loop->single_exit.  Do not call
5042         flow_loop_scan.
5043
5044 2005-03-01  Nick Clifton  <nickc@redhat.com>
5045
5046         * config/arm/arm.c (thumb_find_work_register): Check all of the
5047         argument registers to see if they are free, and a couple of
5048         special cases where the last argument register but can be proved
5049         to be available during the function's prologue.
5050         (print_multi_reg, arm_compute_save_reg0_reg12_mask,
5051         output_return_instruction, emit_multi_reg_push, thumb_pushpop,
5052         thumb_unexpanded_epilogue): Use unsigned long as the type for the
5053         register bit-mask.
5054         (thumb_compute_save_reg_mask): Likewise.  Also use
5055         thumb_find_work_register() to ensure that there is agreement about
5056         which work register is going to be used in the prologue.
5057         (thumb_output_function_prologue): Use unsigned long as the type
5058         for the register bit-mask.  Also delay pushing the link register if
5059         other high registers are going to be pushed.
5060         (thumb_compute_save_reg_mask, emit_multi_reg_push,
5061         print_multi-reg, number_of_first_bit_set, thumb_pushpop): Remove
5062         redundant prototypes.
5063
5064 2005-02-28  John David Anglin  <dave.anglin#nrc-cnrc.gc.ca>
5065
5066         PR target/19819
5067         * pa.h (GO_IF_LEGITIMATE_ADDRESS): Allow allow hard registers during
5068         and after reload in REG+REG indexed addresses without REG_POINTER
5069         set in the base and not set in the index.
5070
5071 2005-02-28  Kaz Kojima  <kkojima@gcc.gnu.org>
5072
5073         * config/sh/linux.h (MD_EXEC_PREFIX, MD_STARTFILE_PREFIX):
5074         Don't undefine here.
5075         (HANDLE_PRAGMA_PACK_PUSH_POP): Delete.
5076         (NO_IMPLICIT_EXTERN_C, CPLUSPLUS_CPP_SPEC): Likewise.
5077         (TARGET_OS_CPP_BUILTINS): Use LINUX_TARGET_OS_CPP_BUILTINS.
5078         (LIB_SPEC, LINK_EH_SPEC, STARTFILE_SPEC, ENDFILE_SPEC,
5079         LINK_GCC_C_SEQUENCE_SPEC, USE_LD_AS_NEEDED, TARGET_C99_FUNCTIONS):
5080         Delete.
5081         * config.gcc (sh*-*-linux*): Use config/linux.h.
5082
5083 2005-02-28  Dale Johannesen  <dalej@apple.com>
5084             Stan Shebs  <shebs@apple.com>
5085
5086         Rewrite of 64-bit Darwin structure-by-value pass/return.
5087         * config/rs6000/rs6000.h (CUMULATIVE_ARGS): New fields
5088         intoffset, use_stack, named.
5089         * config/rs6000/rs6000.c (rs6000_darwin64_function_arg):  Remove.
5090         (rs6000_darwin64_record_arg_advance_flush):  New.
5091         (rs6000_darwin64_record_arg_advance_recurse): New.
5092         (rs6000_darwin64_record_arg_flush):  New.
5093         (rs6000_darwin64_record_arg_recurse):  New.
5094         (rs6000_darwin64_record_arg):  New.
5095         (rs6000_return_in_memory):  Remove AGGREGATE_TYPE_P check.
5096         (function_arg_boundary):  Handle 128-bit aligned structs.
5097         (function_arg_advance):  Rewrite darwin64 struct handling.
5098         (function_arg):  Call rs6000_darwin64_record_arg.
5099         (function_arg_partial_nregs):  Handle darwin64 structs.
5100         (rs6000_darwin64_function_value):  Remove.
5101         (rs6000_function_value):  Call rs6000_darwin64_record_arg.
5102
5103 2005-02-28  Roger Sayle  <roger@eyesopen.com>
5104
5105         PR tree-optimization/20216
5106         * tree-chrec.c (tree_fold_factorial): Delete.
5107         (tree_fold_binomial): Change argument list to take a return type
5108         and change the type of K to unsigned int.  Rewrite to avoid explicit
5109         evaluation of factorials, and (recursively) calling fold to perform
5110         compile-time arithmetic.  Return NULL on (internal) overflow.
5111         (chrec_evaluate): Change type of K to an unsigned int.  Avoid
5112         calling tree_fold_binomial unnecessarily.  Return chrec_dont_know
5113         if any intermediate calculation overflows.
5114         (chrec_apply): Update call to chrec_evaluate.
5115
5116 2005-02-28  James E Wilson  <wilson@specifixinc.com>
5117
5118         * config/mips/mips.h (NO_PROFILE_COUNTERS): Define.
5119
5120 2005-02-28  Joseph S. Myers  <joseph@codesourcery.com>
5121
5122         PR c/20245
5123         * c-parser.c (c_parser_compound_statement): Return error_mark_node
5124         instead of NULL_TREE on error.
5125
5126 2005-02-28  David Edelsohn  <edelsohn@gnu.org>
5127
5128         * config/rs6000/rs6000.c (EASY_VECTOR_15): Remove.
5129         (EASY_VECTOR_15_ADD_SELF): Remove.
5130         (num_insns_constant_wide): Not static.
5131         (validate_condition_mode): Not static.
5132         (toc_relative_expr_p): Not static.
5133         (legitimate_indirect_address_p): Not static.
5134         (macho_lo_sum_memory_operand): Not static.
5135         (invalid_e500_subreg): Not static.
5136         (easy_vector_same): Not static.
5137         (easy_vector_splat_const): Not static.
5138         (RS6000_SYMBOL_REF_TLS_P): Remove.
5139         (any_operand): Delete.
5140         (any_parallel_operand): Delete.
5141         (count_register_operand): Delete.
5142         (altivec_register_operand): Delete.
5143         (xer_operand): Delete.
5144         (s8bit_cint_operand): Delete.
5145         (short_cint_operand): Delete.
5146         (u_short_cint_operand): Delete.
5147         (non_short_cint_operand): Delete.
5148         (exact_log2_cint_operand): Delete.
5149         (gpc_reg_operand): Delete.
5150         (cc_reg_operand): Delete.
5151         (cc_reg_not_cr0_operand): Delete.
5152         (reg_or_short_operand): Delete.
5153         (reg_or_neg_short_operand): Delete.
5154         (reg_or_aligned_short_operand): Delete.
5155         (reg_or_u_short_operand): Delete.
5156         (reg_or_cint_operand): Delete.
5157         (reg_or_arith_cint_operand): Delete.
5158         (reg_or_add_cint64_operand): Delete.
5159         (reg_or_sub_cint64_operand): Delete.
5160         (reg_or_logical_cint_operand): Delete.
5161         (got_operand): Delete.
5162         (got_no_const_operand): Delete.
5163         (easy_fp_constant): Delete.
5164         (easy_vector_constant): Delete.
5165         (easy_vector_constant_add_self): Delete.
5166         (zero_constant): Delete.
5167         (zero_fp_constant): Delete.
5168         (volatile_mem_operand): Delete.
5169         (offsettable_mem_operand): Delete.
5170         (mem_or_easy_const_operand): Delete.
5171         (add_operand): Delete.
5172         (non_add_cint_operand): Delete.
5173         (logical_operand): Delete.
5174         (non_logical_cint_operand): Delete.
5175         (mask_operand): Delete.
5176         (mask_operand_wrap): Delete.
5177         (mask64_operand): Delete.
5178         (mask64_2_operand): Delete.
5179         (and64_operand): Delete.
5180         (and64_2_operand): Delete.
5181         (and_operand): Delete.
5182         (reg_or_mem_operand): Delete.
5183         (lwa_operand): Delete.
5184         (symbol_ref_operand): Delete.
5185         (call_operand): Delete.
5186         (current_file_function_operand): Delete.
5187         (input_operand): Delete.
5188         (rs6000_nonimmediate_operand): Delete.
5189         (rs6000_tls_symbol_ref): Delete.
5190         (save_world_operation): Delete.
5191         (restore_world_operation): Delete.
5192         (load_multiple_operation): Delete.
5193         (store_multiple_operation): Delete.
5194         (vrsave_operation): Delete.
5195         (mfcr_operation): Delete.
5196         (mtcrf_operation): Delete.
5197         (lmw_operation): Delete.
5198         (stmw_operation): Delete.
5199         (branch_comparison_operator): Delete.
5200         (branch_positive_comparison_operator): Delete.
5201         (scc_comparison_operator): Delete.
5202         (trap_comparison_operator): Delete.
5203         (boolean_operator): Delete.
5204         (boolean_or_operator): Delete.
5205         (min_max_operator): Delete.
5206         * config/rs6000/rs6000.h (RS6000_SYMBOL_REF_TLS_P): Move to here.
5207         (EASY_VECTOR_15): Moved to here.
5208         (EASY_VECTOR_15_ADD_SELF): Move to here.
5209         (PREDICATE_CODES): Delete.
5210         * config/rs6000/rs6000-protos.h: Delete predicate functions.
5211         Declare functions no longer static.
5212         * config/rs6000/predicates.md: New.
5213         * config/rs6000/rs6000.md: Include predicates.md
5214
5215 2005-02-28  Kazu Hirata  <kazu@cs.umass.edu>
5216
5217         * calls.c (emit_call_1): Don't use  REG_ALWAYS_RETURN.
5218         (emit_library_call_value_1): Don't use LCT_ALWAYS_RETURN and
5219         REG_ALWAYS_RETURN.
5220         * cfgrtl.c (need_fake_edge_p): Likewise.
5221         * combine.c (distribute_notes): Likewise.
5222         * emit-rtl.c (try_split): Likewise.
5223         * recog.c (peephole2_opimize): Likewise.
5224         * reg-notes.def (ALWAYS_RETURN): Remove.
5225         * rtl.h (LCT_ALWAYS_RETURN): Remove.
5226         * tree-cfg.c (need_fake_edge_p): Don't use ECF_ALWAYS_RETURN.
5227         * tree.h (ECF_ALWAYS_RETURN): Remove.
5228
5229 2005-02-28  Roger Sayle  <roger@eyesopen.com>
5230
5231         PR middle-end/19874
5232         * tree-ssa.c (tree_ssa_useless_type_conversion_1): A conversion
5233         between different machine modes is never a "useless" conversion.
5234
5235 2005-02-28  Geert Bosch  <bosch@gnat.com>
5236
5237         PR ada/15977
5238         * doc/contrib.texi: List contributors for Ada front end
5239
5240 2005-02-28 Paolo Bonzini <bonzini@gnu.org>
5241
5242         * simplify-rtx.c (simplify_unary_operation_1,
5243         simplify_const_unary_operation): New, extracted from...
5244         (simplify_unary_operation): ... this one.
5245         (simplify_binary_operation_1,
5246         simplify_const_binary_operation): New, extracted from...
5247         (simplify_binary_operation): ... this one.
5248         * rtl.h (simplify_const_unary_operation,
5249         simplify_const_binary_operation): Add prototypes.
5250
5251 2005-02-28  Julian Brown  <julian@codesourcery.com>
5252
5253         * config/elfos.h: Revert my patch from 2005-02-25 since it broke
5254         building libjava and caused PR regression/20228.
5255
5256 2005-02-28  Paolo Bonzini  <bonzini@gnu.org>
5257
5258         PR bootstrap/17383
5259         * Makefile.in (host_subdir): New.
5260         (build_objdir): New.  Replace ../$(build_subdir) with it throughout.
5261         * configure: Regenerate.
5262
5263 2005-02-27  Zack Weinberg  <zack@codesourcery.com>
5264
5265         * config/alpha/t-osf4, config/arm/t-netbsd, config/ia64/t-hpux
5266         * config/pa/t-hpux-shlib (SHLIB_INSTALL): Create the
5267         installation directory first.
5268
5269 2005-02-28  Hans-Peter Nilsson  <hp@axis.com>
5270
5271         PR target/19065.
5272         * config/cris/cris.h (EXTRA_CONSTRAINT_Q): Accept only (mem (reg)),
5273         not including (reg). Do not check for reg being CRIS_PC_REGNUM.
5274         (EXTRA_MEMORY_CONSTRAINT): Define as 'Q'.
5275         * config/cris/cris.md: Tweak comments referring to Q.
5276         ("cmpsi", "cmphi", "cmpqi", "*movsi_internal", "movhi")
5277         ("movstricthi", "movqi", "movstrictqi", "movsf", "addsi3")
5278         ("addhi3", "addqi3", "subsi3", "subhi3", "subqi3")
5279         ("*expanded_andsi", "*expanded_andhi", "*andhi_lowpart", "andqi3")
5280         ("*andqi_lowpart", "iorsi3", "iorhi3", "iorqi3", "uminsi3"):
5281         Insert spaces in constraints to align alternatives vertically for
5282         readability.
5283         ("cmphi"): Ditto.  Add separate alternative for operand 0 "r",
5284         operand 1: "M".
5285
5286 2005-02-27  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
5287
5288         PR rtl-optimization/17728
5289         * pa.md (mulsi3, divsi3, udivsi3, modsi3): Change predicate for
5290         operand 0 from general_operand to move_dest_operand.
5291
5292 2005-02-26  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
5293
5294         * pa/elf.h, pa/som.h (ASM_OUTPUT_EXTERNAL): Use assemble_name_raw
5295         instead of trying to save and restore TREE_SYMBOL_REFERENCED.
5296         * pa/pa64-hpux.h (ASM_OUTPUT_TYPE_DIRECTIVE): Define.
5297         (ASM_OUTPUT_EXTERNAL): Don't save and restore TREE_SYMBOL_REFERENCED.
5298
5299 2005-02-26  Nathanael Nerode  <neroden@gcc.gnu.org>
5300
5301         * configure.ac: Rename cc_for_cross_gnattools to host_cc_for_libada.
5302         * configure: Regenerate.
5303         * libada-mk.in: Remove CC; rename
5304         cc_for_cross_gnattools / cc_set_by_configure to host_cc_for_libada.
5305
5306 2005-02-26  Andrew Pinski  <pinskia@physics.uc.edu>
5307
5308         PR tree-opt/20188
5309         * tree-ssa-alias.c (count_uses_and_derefs): If we have TREE_LIST
5310         for the lhs, also walk over the tree.  Likewise for rhs.
5311
5312 2005-02-26  Zdenek Dvorak  <dvorakz@suse.cz>
5313
5314         * tree-ssa-dom.c (simple_iv_increment_p): New function.
5315         (simplify_rhs_and_lookup_avail_expr, eliminate_redundant_computations):
5316         Do not propagate value of iv before increment over the increment.
5317
5318 2005-02-25  Joseph S. Myers  <joseph@codesourcery.com>
5319
5320         * c-parser.c: New file.
5321         * c-parse.in: Remove.
5322         * Makefile.in (c-parse.o-warn, c-parse.o, c-parse.c, c-parse.y):
5323         Remove.
5324         (c-parser.o): Add dependencies.
5325         (C_AND_OBJC_OBJC, C_OBJS, gcc.srcextra, GTFILES, distclean,
5326         maintainer-clean, TAGS): Update.
5327         * c-config-lang.in (gtfiles): Update.
5328         * gengtype-lex.l: Don't handle "@@".
5329         * stub-objc.c (objc_get_class_ivars, objc_build_throw_stmt,
5330         objc_build_synchronized, objc_begin_try_stmt,
5331         objc_begin_catch_clause, objc_finish_catch_clause,
5332         objc_build_finally_clause, objc_finish_try_stmt): New.
5333         * c-tree.h (struct c_declspecs): Add declspecs_seen_p and
5334         type_seen_p.
5335         (c_parse_init): Update comment.
5336         * c-decl.c (c_init_decl_processing): Update comment.
5337         (build_null_declspecs, declspecs_add_qual, declspecs_add_type,
5338         declspecs_add_scspec, declspecs_add_attrs): Initialize and update
5339         new c_declspecs members.
5340
5341 2005-02-25  Julian Brown  <julian@codesourcery.com>
5342
5343         * config/elfos.h (MAKE_DECL_ONE_ONLY): Redefined to stop DECL_WEAK
5344         from being used for symbols with vague linkage when
5345         HAVE_GAS_COMDAT_GROUP is true.
5346
5347 2005-02-25  Mark Mitchell  <mark@codesourcery.com>
5348
5349         * doc/include/gcc-common.texi (version-GCC): Update to 4.1.
5350
5351 2005-02-25  Steve Ellcey  <sje@cup.hp.com>
5352
5353         PR target/19930
5354         * doc/tm.texi (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Document.
5355         (LIBGCC2_HAS_DF_MODE): New.
5356         (LIBGCC2_HAS_XF_MODE): New.
5357         (LIBGCC2_HAS_TF_MODE): New.
5358         * libgcc2.h (LIBGCC2_HAS_XF_MODE): New name for HAVE_XFMODE.
5359         (LIBGCC2_HAS_TF_MODE): New name for HAVE_TFMODE.
5360         * libgcc2.c (LIBGCC2_HAS_XF_MODE): New name for HAVE_XFMODE.
5361         (LIBGCC2_HAS_TF_MODE): New name for HAVE_TFMODE.
5362         (LIBGCC2_HAS_DF_MODE): New name for HAVE_DFMODE.
5363         * config/ia64/t-ia64 (LIB1ASMFUNCS): Remove __compat
5364         and add _fixtfdi, _fixunstfdi, _floatditf
5365         * lib1funcs.asm: Remove L__compat. Add L_fixtfdi,
5366         L_fixunstfdi, L_floatditf.
5367         * config/ia64/hpux.h (LIBGCC2_HAS_XF_MODE): Define.
5368         (LIBGCC2_HAS_TF_MODE): Define.
5369
5370 2005-02-25  Diego Novillo  <dnovillo@redhat.com>
5371
5372         PR tree-optimization/20204
5373         * tree-into-ssa.c (insert_phi_nodes_for): Do not use
5374         REWRITE_THIS_STMT markers on PHI nodes.
5375         (rewrite_initialize_block): Likewise.
5376
5377 2005-02-25  Mark Mitchell  <mark@codesourcery.com>
5378
5379         * version.c (version_string): Update to 4.1.
5380
5381 2005-02-25  Paolo Carlini  <pcarlini@suse.de>
5382
5383         * doc/extend.texi (5.24 Declaring Attributes of Functions)<noreturn>:
5384         Clarify that the alternative way doesn't work in GNU C++.
5385
5386 2005-02-25  Zdenek Dvorak  <dvorakz@suse.cz>
5387
5388         PR tree-optimization/19937
5389         * tree-ssa-loop-ivopts.c (rewrite_use_compare): Cast the final value
5390         to the type of the induction variable.
5391
5392 2005-02-25  Kaz Kojima  <kkojima@gcc.gnu.org>
5393
5394         PR rtl-optimization/20117
5395         * bb-reorder.c (duplicate_computed_gotos): Don't duplicate
5396         the block including noncopyable insn.
5397
5398 2005-02-24  Kazu Hirata  <kazu@cs.umass.edu>
5399
5400         * cse.c (delete_trivially_dead_insns): Speed up by minimizing
5401         calls to find_reg_note.
5402
5403 2005-02-24  Richard Henderson  <rth@redhat.com>
5404
5405         PR tree-opt/20127
5406         * tree-sra.c (instantiate_element): Copy TREE_THIS_VOLATILE from
5407         the type.
5408
5409 2005-02-24  Fariborz Jahanian <fjahanian@apple.com>
5410
5411         * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Check for
5412         vector types if to use base reg for misaligned non-word ld/std.
5413
5414 2005-02-24  Hans-Peter Nilsson  <hp@axis.com>
5415
5416         PR target/14619
5417         * config/cris/cris.c (cris_target_asm_function_prologue): Create
5418         dwarf2 label manually and put it after, not before the prologue.
5419
5420 2005-02-24  David Edelsohn  <edelsohn@gnu.org>
5421
5422         PR target/19019
5423         * reload.c (operands_match_p): Only increment register number for
5424         SCALAR_INT_MODE_P modes in multiple hard registers.
5425
5426         * config/rs6000/rs6000.md (trunctfdf2): Remove register constraints.
5427         Fix formatting.
5428
5429 2005-02-24  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
5430
5431         * ChangeLog.5: Fix log message typo(s).
5432         * ChangeLog.7: Likewise.
5433         * ChangeLog.tree-ssa: Likewise.
5434         * cfgexpand.c: Fix comment typo(s).
5435         * conflict.c: Likewise.
5436         * defaults.h: Likewise.
5437         * dwarf2out.c: Likewise.
5438         * gcse.c: Likewise.
5439         * ggc-page.c: Likewise.
5440         * tree-eh.c: Likewise.
5441         * tree-ssa-dom.c: Likewise.
5442
5443 2005-02-24  Jakub Jelinek  <jakub@redhat.com>
5444
5445         PR target/19019
5446         * mklibgcc.in: Pass -DSHARED when compiling all *_s${objext} objects.
5447         * config/rs6000/darwin-ldouble.c: Only use the .symver directives
5448         if SHARED is defined.
5449
5450         PR target/20196
5451         * config/rs6000/rs6000.md (LTU, GTU sCC splitters): Add earlyclobber,
5452         allow splitting only if operands 0 and 3 don't overlap.
5453
5454 2005-02-24  Richard Henderson  <rth@redhat.com>
5455
5456         PR middle-end/19953
5457         * builtins.c (fold_builtin_complex_mul, fold_builtin_complex_div): New.
5458         (fold_builtin_1): Call them.
5459         * fold-const.c (fold_complex_mult_parts): Split out from ...
5460         (fold_complex_mult): ... here.  Fix typo in both imaginary case.
5461         (fold_complex_div_parts, fold_complex_div): New.
5462         (fold): Use them.
5463         * tree.h (fold_complex_mult_parts, fold_complex_div_parts): Declare.
5464
5465 2005-02-24  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
5466
5467         * tree-ssa-ccp.c (visit_assignment): Verify that result of
5468         VIEW_CONVERT_EXPR is_gimple_min_invariant.
5469
5470         * print-tree.c (print_node_brief): Print LABEL_DECL_UID.
5471         (print_node): Likewise.
5472         Print TYPE_SIZES_GIMPLIFIED.
5473
5474 2005-02-24  Hans-Peter Nilsson  <hp@axis.com>
5475
5476         * config/cris/cris.md ("umulhisi3", "umulqihi3", "mulsi3")
5477         ("mulqihi3", "mulhisi3", "mulsidi3", "umulsidi3"): Mark input
5478         operands as commutative in constraints.
5479
5480 2005-02-24  Diego Novillo  <dnovillo@redhat.com>
5481
5482         * tree-into-ssa.c: Re-organize internal functions.
5483
5484 2005-02-24  Richard Henderson  <rth@redhat.com>
5485
5486         PR middle-end/18902
5487         * c-opts.c (c_common_post_options): Set flag_complex_method to 2
5488         for c99.
5489         * common.opt (fcx-limited-range): New.
5490         * opts.c (set_fast_math_flags): Set flag_cx_limited_range.
5491         * toplev.c (flag_complex_method): Initialize to 1.
5492         (process_options): Set flag_complex_method to 0 if
5493         flag_cx_limited_range.
5494         * doc/invoke.texi (-fcx-limited-range): New.
5495
5496 2005-02-24  Kazu Hirata  <kazu@cs.umass.edu>
5497
5498         * cse.c (delete_trivially_dead_insns): Speed up by using
5499         NEXT_INSN and PREV_INSN directly instead of next_real_insn and
5500         prev_real_insn.
5501
5502 2005-02-24  Andrea Tarani  <andrea.tarani@gilbarco.com>
5503
5504         * config/m68k/m68k.c (m68k_save_reg): Also save A5 for non-leaf
5505         functions when -mid-shared-library is being used.
5506
5507 2005-02-23  Daniel Jacobowitz  <dan@codesourcery.com>
5508
5509         * doc/tm.texi (LINK_LIBGCC_SPECIAL): Remove.
5510         (LINK_LIBGCC_SPECIAL_1): Don't mention it.
5511         * gcc.c: Don't check for LINK_LIBGCC_SPECIAL.
5512         * system.h: Poison LINK_LIBGCC_SPECIAL.
5513
5514 2005-02-23  James E Wilson  <wilson@specifixinc.com>
5515
5516         * gengtype.c (note_insn_name): Make 1 element larger.
5517
5518 2005-02-23  Roger Sayle  <roger@eyesopen.com>
5519
5520         PR target/20018
5521         PR rtl-optimization/20097
5522         * simplify-rtx.c (simplify_relational_operation_1): Avoid creating
5523         BImode SUBREGs of SImode registers which confuse the ia64 backend.
5524
5525 2005-02-23  David Edelsohn  <edelsohn@gnu.org>
5526
5527         * t-aix43 (SHLIB_INSTALL): Create directory for shared library.
5528         * t-aix52 (SHLIB_INSTALL): Same.
5529
5530 2005-02-23  Kazu Hirata  <kazu@cs.umass.edu>
5531
5532         * genpreds.c: Update copyright.
5533
5534 2005-02-23  Michael Beach  <michaelb@ieee.org>
5535
5536         PR target/20159
5537         * config/sparc/t-elf (startup files): Assemble with CPP.
5538
5539 2005-02-23  Paolo Bonzini  <bonzini@gnu.org>
5540
5541         * genpreds.c (mark_mode_tests): Handle non-VOIDmode match_operands.
5542         (write_predicate_expr): Likewise.
5543
5544 2005-02-22  Diego Novillo  <dnovillo@redhat.com>
5545
5546         PR tree-optimization/20100
5547         PR tree-optimization/20115
5548         * tree-optimize.c (init_tree_optimization_passes): Remove
5549         pass_maybe_create_global_var.
5550         * tree-pass.h (pass_maybe_create_global_var): Remove.
5551         * tree-ssa-alias.c (aliases_computed_p): Declare.
5552         (struct alias_info): Add field NUM_PURE_CONST_CALLS_FOUND.
5553         (count_calls_and_maybe_create_global_var): Remove.
5554         (pass_maybe_create_global_var): Remove.
5555         (init_alias_info): Do not declare aliases_computed_p.
5556         (maybe_create_global_var): If the function contains no
5557         call-clobbered variables and a mix of pure/const and regular
5558         function calls, create .GLOBAL_VAR.
5559         Mark all call-clobbered variables for renaming.
5560         (merge_pointed_to_info): Update comment.
5561         (add_pointed_to_var): Likewise.
5562         (is_escape_site): Likewise.
5563         Accept struct alias_info * instead of size_t *.
5564         Update all users.
5565         Update AI->NUM_CALLS_FOUND and AI->NUM_PURE_CONST_CALLS_FOUND
5566         as necessary.
5567         * tree-ssa-operands.c (get_call_expr_operands): If
5568         ALIASES_COMPUTED_P is false, do not add call-clobbering
5569         operands.
5570         * tree-ssa.c (init_tree_ssa): Set ALIASES_COMPUTED_P to false.
5571         (delete_tree_ssa): Likewise.
5572
5573 2005-02-22  James E Wilson  <wilson@specifixinc.com>
5574
5575         * toplev.c (backend_init): Don't call init_adjust_machine_modes here.
5576         (do_compile): Do call it here.
5577
5578 2005-02-22  Kazu Hirata  <kazu@cs.umass.edu>
5579
5580         PR rtl-optimization/20017.
5581         * passes.c (rest_of_handle_combine, rest_of_handle_cse,
5582         rest_of_handle_cse2, rest_of_handle_gcse): Call
5583         delete_dead_jumptables immediately before calling cleanup_cfg.
5584
5585 2005-02-22  Devang Patel  <dpatel@apple.com>
5586
5587         PR 19952
5588         * tree-if-conv.c (process_phi_nodes): Use bsi_after_labels and skip
5589         all labels
5590
5591 2005-02-22  David Edelsohn  <edelsohn@gnu.org>
5592
5593         * config/rs6000/aix.h (WINT_TYPE): Define.
5594
5595 2005-02-22  Stan Shebs  <shebs@apple.com>
5596
5597         * config/rs6000/rs6000.c (rs6000_override_options): Default to
5598         natural alignment for 64-bit Darwin.
5599         (rs6000_parse_alignment_option): Warn about uses of -malign-power
5600         on 64-bit Darwin.
5601         * doc/invoke.texi: Document this.
5602
5603 2005-02-22  DJ Delorie  <dj@redhat.com>
5604
5605         * c-common.c (c_common_type_for_mode): Pass the mode's precision
5606         to make_[un]signed_type, not the mode itself.
5607
5608 2005-02-22  Kazu Hirata  <kazu@cs.umass.edu>
5609
5610         * cfg.c (cached_make_edge): Call make_edge if edge cache is
5611         not available.  Use tail calls wherever possible.
5612         (make_edge): Call unchecked_make_edge to create an edge.
5613
5614         * tree-outof-ssa.c (SSANORM_USE_COALESCE_LIST): Remove.
5615         (coalesce_ssa_name): Don't check for
5616         SSANORM_USE_COALESCE_LIST.
5617         (rewrite_out_of_ssa): Don't use SSANORM_USE_COALESCE_LIST.
5618
5619 2005-02-22  Diego Novillo  <dnovillo@redhat.com>
5620
5621         * tree-into-ssa.c (rewrite_blocks): Move debug dumps from ...
5622         (rewrite_into_ssa): ... here.
5623
5624 2005-02-21  Alexandre Oliva  <aoliva@redhat.com>
5625
5626         PR tree-optimization/19786
5627         * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add one
5628         tag to another's may-alias bitmap when adding to the other's list.
5629
5630 2005-02-21  DJ Delorie  <dj@redhat.com>
5631
5632         * tree-ssa-loop-ivopts.c (computation_cost): Start register
5633         numbering at LAST_VIRTUAL_REGISTER+1 to avoid possibly using hard
5634         registers in unsupported ways.
5635         * expmed.c (init_expmed): Likewise.
5636
5637 2005-02-21  Stan Cox  <scox@redhat.com>
5638
5639         * config/iq2000/iq2000.h (DWARF_FRAME_RETURN_COLUMN): Change to 31.
5640
5641 2005-02-21  Kazu Hirata  <kazu@cs.umass.edu>
5642
5643         * tree-cfg.c (fold_cond_expr_cond): New.
5644         (make_edges): Call fold_cond_expr_cond.
5645         (find_taken_edge): Accept nothing but INTEGER_CST.
5646         (find_taken_edge_cond_expr): Reject INTEGER_CST other than 0
5647         and 1.
5648         (find_taken_edge_switch_expr): Remove a check for INTEGER_CST.
5649
5650         * flow.c (delete_dead_jumptables): Speed up by scanning insns
5651         that do not belong to any basic block.
5652
5653 2005-02-21  Jeff Law  <law@redhat.com>
5654
5655         * cfganal.c (find_unreachable_blocks): Manually CSE load of
5656         e->dest.
5657
5658 2005-02-21  Kazu Hirata  <kazu@cs.umass.edu>
5659
5660         * tree-outof-ssa.c (SSANORM_REMOVE_ALL_PHIS): Remove.
5661         (SSANORM_COALESCE_PARTITIONS, SSANORM_USE_COALESCE_LIST):
5662         Adjust their definitions.
5663         (remove_ssa_form): Don't check for SSANORM_REMOVE_ALL_PHIS.
5664         (rewrite_out_of_ssa): Don't use SSANORM_REMOVE_ALL_PHIS.
5665
5666         * c-objc-common.h, c-pretty-print.c, cgraphunit.c, except.c,
5667         genautomata.c, langhooks.c, langhooks.h, system.h,
5668         config/arm/lib1funcs.asm: Update copyright.
5669
5670 2005-02-21  Ulrich Weigand  <uweigand@de.ibm.com>
5671
5672         * dbxout.c (dbxout_function_end): Emit Lscope label always.
5673
5674 2005-02-21  Richard Guenther  <rguenth@gcc.gnu.org>
5675
5676         PR bootstrap/13770
5677         * doc/install.texi: Document --with-gc.
5678
5679 2005-02-21  Paolo Bonzini  <bonzini@gnu.org>
5680
5681         * simplify-rtx.c (simplify_unary_operation): Add a missing
5682         "break" statement.
5683
5684 2005-02-21  Eric Botcazou  <ebotcazou@libertysurf.fr>
5685
5686         PR tree-optimization/18663
5687         * tree-ssa-dom.c (extract_range_from_cond): Return 0
5688         if the type has variable bounds.
5689
5690 2005-02-20  Kazu Hirata  <kazu@cs.umass.edu>
5691
5692         * gcse.c: Remove an obsolete comment.
5693
5694         * cse.c (init_cse_reg_info): Use xmalloc instead of xrealloc.
5695
5696 2005-02-20  Hans-Peter Nilsson  <hp@axis.com>
5697
5698         * doc/extend.texi (Function Attributes) <Attribute const>: The
5699         attribute "pure" is below this text, not above.
5700
5701 2005-02-20  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
5702
5703         * pa.c (pa_assemble_integer, get_plabel): Small cleanups.
5704         (pa_asm_output_mi_thunk): Use asm_output_insn instead of fprintf.
5705         * som.h (ASM_OUTPUT_EXTERNAL_LIBCALL): Small cleanup.
5706
5707 2005-02-20  Zack Weinberg  <zack@codesourcery.com>
5708
5709         PR 18785
5710         * langhooks.h (struct lang_hooks): Add to_target_charset.
5711         * langhooks.c (lhd_to_target_charset): New function.
5712         * langhooks-def.h: Declare lhd_to_target_charset.
5713         (LANG_HOOKS_TO_TARGET_CHARSET): New macro.
5714         (LANG_HOOKS_INITIALIZER): Update.
5715         * c-common.c (c_common_to_target_charset): New function.
5716         * c-common.h: Declare it.
5717         * c-objc-common.h (LANG_HOOKS_TO_TARGET_CHARSET): Set to
5718         c_common_to_target_charset.
5719
5720         * defaults.c (TARGET_BELL, TARGET_BS, TARGET_CR, TARGET_DIGIT0)
5721         (TARGET_ESC, TARGET_FF, TARGET_NEWLINE, TARGET_TAB, TARGET_VT):
5722         Delete definitions.
5723         * system.h: Poison them.
5724         * doc/tm.texi: Don't discuss them.
5725         * builtins.c (fold_builtin_isdigit): Use lang_hooks.to_target_charset.
5726         * c-pretty-print.c (pp_c_integer_constant): Don't use pp_c_char.
5727         (pp_c_char): Do not attempt to generate letter escapes for
5728         newline, tab, etc.
5729         * config/arm/arm.c (output_ascii_pseudo_op): Likewise.
5730         * config/mips/mips.c (mips_output_ascii): Likewise.
5731
5732 2005-02-20  Dorit Naishlos  <dorit@il.ibm.com>
5733
5734         PR tree-optimization/19951
5735         * tree-vect-analyze.c (vect_analyze_loop_form): Check if loop exit edge
5736         is abnormal.
5737
5738 2005-02-19  Steven Bosscher  <stevenb@suse.de>
5739
5740         PR middle-end/19698
5741         * function.h (struct function): New field `max_loop_depth'.
5742         * cfgloop.c (establish_preds): Update maximum loop depth seen so far.
5743         (flow_loops_find): Reset the max loop depth count before finding loops.
5744         * flow.c (MAX_LIVENESS_ROUNDS): New constant.
5745         (update_life_info_in_dirty_blocks): Remove 2002-05-28 workaround.
5746         (calculate_global_regs_live): Make sure the loop will terminate
5747         when the initial sets are not empty.
5748
5749 2005-02-19  Zack Weinberg  <zack@codesourcery.com>
5750
5751         * mklibgcc.in: If libgcc_eh.a would be empty, put a dummy
5752         object inside.
5753         * config/ia64/hpux.h: Don't define LIBGCC_SPEC.
5754
5755 2005-02-19  Richard Sandiford  <rsandifo@redhat.com>
5756
5757         PR other/19525
5758         * doc/invoke.texi: Remove documentation of %M spec.
5759         * gcc.c: Likewise.
5760         (init_spec): Remove %M suffix from -lgcc_s.
5761         (do_spec_1): Remove 'M' case.
5762         * mklibgcc.in: Remove SHLIB_MULTILIB handling.  Expect SHLIB_LINK
5763         to put shared libraries in the multilib directory.  Remove the
5764         shlib_so_soname substitution variable.  Don't add a multilib encoding
5765         to shlib_base_name.  Set shlib_slibdir_qual to the full pathname
5766         reported by -print-multi-os-directory.  Pass @multilib_dir@ to
5767         SHLIB_INSTALL as well as SHLIB_LINK.
5768         * config/t-slibgcc-elf-ver (SHLIB_SONAME): Use @shlib_base_name@.
5769         (SHLIB_NAME): Delete.
5770         (SHLIB_DIR): New macro.
5771         (SHLIB_LINK): Put $(SHLIB_SONAME) and $(SHLIB_SOLINK) in $(SHLIB_DIR).
5772         (SHLIB_INSTALL): Adjust accordingly.
5773         * config/t-slibgcc-darwin: As for t-slibgcc-elf-ver.
5774         * config/t-slibgcc-sld: Likewise.
5775         * config/t-libunwind-elf (SHLIBUNWIND_NAME): Delete.
5776         (SHLIBUNWIND_SONAME): Use @shlib_base_name@.
5777         (SHLIBUNWIND_LINK): Put $(SHLIBUNWIND_SONAME) and $(SHLIB_SOLINK)
5778         in $(SHLIB_DIR).
5779         (SHLIBUNWIND_INSTALL): Adjust accordingly.
5780         * config/i386/t-nwld (SHLIB_SONAME): Delete.
5781         (SHLIB_LINK, SHLIB_INSTALL): Use SHLIB_NAME instead of SHLIB_SONAME.
5782         Use @shlib_base_name@ instead of @shlib_so_name@.
5783         * config/ia64/t-hpux (SHLIB_LINK): Put @shlib_base_name@.so.0
5784         and @shlib_base_name@.so in @multilib_dir@.
5785         (SHLIB_INSTALL): Adjust accordingly.  Add @shlib_slibdir_qual@
5786         to the install path.
5787         * config/mips/t-slibgcc-irix: As for t-slibgcc-elf-ver.
5788         (SHLIB_LINK): Remove previous workaround.
5789         * config/pa/t-hpux-shlib (SHLIB_DIR, SHLIB_SLIBDIR_QUAL): New macros.
5790         (SHLIB_LINK): Put $(SHLIB_SONAME) and $(SHLIB_NAME) in $(SHLIB_DIR).
5791         (SHLIB_INSTALL): Adjust accordingly.  Add $(SHLIB_SLIBDIR_QUAL) to
5792         the install path.
5793         * config/rs6000/t-aix43 (SHLIB_LINK): Put @shlib_base_name@.a in
5794         @multilib_dir@.  Use @multilib_dir@ to check for threading libraries.
5795         (SHLIB_INSTALL): Adjust accordingly.
5796         (SHLIB_LIBS): Use @multilib_dir@ to check for threading libraries.
5797         * config/rs6000/t-aix52: As for config/rs6000/t-aix43.
5798         * config/sh/t-linux (SHLIB_LINK, SHLIB_INSTALL): As for
5799         config/t-slibgcc-elf-ver.
5800
5801 2005-02-19  Zdenek Dvorak  <dvorakz@suse.cz>
5802             Jakub Jelinek  <jakub@redhat.com>
5803
5804         PR tree-optimization/19828
5805         * tree-ssa-loop-im.c: Add a TODO comment.
5806         (movement_possibility): Return MOVE_PRESERVE_EXECUTION for calls
5807         without side-effects.
5808
5809 2005-02-18  James A. Morrison  <phython@gcc.gnu.org>
5810
5811         * tree-ssa-ccp.c (widen_bitfield): Pass type to build_int_cst and don't
5812         call fold_convert.
5813
5814 2005-02-18  James E. Wilson  <wilson@specifixinc.com>
5815
5816         * doc/invoke.texi (IA-64 Options): Delete -mb-step.
5817         * config/ia64/ia64.c (last_group, group_idx): Delete variables.
5818         (errata_find_address_regs, errata_emit_nops, fixup_errata): Delete
5819         functions.
5820         (ia64_reorg): Delete fixup_errata call.
5821         * config/ia64/ia64.h (MASK_B_STEP, TARGET_B_STEP): Delete.
5822         (TARGET_SWITCHES): Delete -mb-step entry.
5823
5824 2005-02-19  Jakub Jelinek  <jakub@redhat.com>
5825
5826         PR c/20043
5827         * c-typeck.c (composite_type): Handle quals in transparent unions.
5828         (type_lists_compatible_p): Likewise.
5829
5830 2005-02-18  Stan Shebs  <shebs@apple.com>
5831
5832         * config/darwin.c (machopic_select_rtx_section): Don't put relocatable
5833         expressions in the .literal8 section.
5834
5835 2005-02-18  Geoffrey Keating  <geoffk@apple.com>
5836
5837         * config/rs6000/darwin-tramp.asm: Remove stray 'APPLE LOCAL' marker.
5838
5839 2005-02-18  Roger Sayle  <roger@eyesopen.com>
5840
5841         * fold-const.c (constant_boolean_node): Always create values of the
5842         specified type, don't bother calling truthvalue_conversion.
5843
5844 2005-02-18  Joseph S. Myers  <joseph@codesourcery.com>
5845
5846         * except.c (output_function_exception_table): Call
5847         assemble_external_libcall (eh_personality_libfunc).
5848
5849 2005-02-18  Joseph S. Myers  <joseph@codesourcery.com>
5850
5851         PR target/19886
5852         * config/ia64/ia64.h (struct machine_function): Add state_num.
5853         * config/ia64/ia64.c (process_epilogue,
5854         process_for_unwind_directive): Use new unwind state numbers each
5855         time rather than state 1.
5856
5857 2005-02-18  Ulrich Weigand  <uweigand@de.ibm.com>
5858
5859         PR target/20054
5860         * config/s390/s390.md ("*llgt_sidi", "*llgt_sidi_split"): Move to
5861         before the "*llgt_didi" pattern.
5862
5863 2005-02-18  Jason Merrill  <jason@redhat.com>
5864
5865         * gimplify.c (gimplify_modify_expr_rhs) [CALL_EXPR]: Revert again.
5866
5867 2005-02-18  Richard Earnshaw  <rearnsha@arm.com>
5868
5869         * arm/lib1funcs.asm (FUNC_ALIAS): New macro.
5870         (div0): Use it in place of ARM_FUNC_ALIAS.
5871         (lshrdi3, ashrdi3, ashlrdi3): Likewise.
5872
5873 2005-02-18  Andrew Pinski  <pinskia@physics.uc.edu>
5874
5875         PR middle-end/20030
5876         * fold-const.c (fold_indirect_ref_1): Use the correct index for zero
5877         access, the lower bound of the array type if it exists.
5878
5879 2005-02-18  Alexandre Oliva  <aoliva@redhat.com>
5880
5881         PR c++/20008
5882         * stmt.c (expand_case): Don't assume cleanup_tree_cfg will remove
5883         cases that are out-of-range for the index type.
5884
5885 2005-02-18  James A. Morrison  <phython@gcc.gnu.org>
5886
5887         * stmt.c (emit_case_bit_tests): Call fold_convert instead of convert.
5888         (estimate_case_costs): Don't call convert.
5889         * expmed.c (expand_shift): Likewise.
5890         (make_tree): Call fold_convert instead of convert.
5891
5892 2005-02-18  Jakub Jelinek  <jakub@redhat.com>
5893
5894         PR c++/19813
5895         * emit-rtl.c (set_mem_attributes_minus_bitpos): Add assertion
5896         that ref to be marked MEM_READONLY_P doesn't have base that needs
5897         constructing.
5898
5899 2005-02-18  Joseph S. Myers  <joseph@codesourcery.com>
5900
5901         * genautomata.c (output_get_cpu_unit_code_func,
5902         output_cpu_unit_reservation_p): Don't generate old-style function
5903         definitions.
5904
5905 2005-02-18  Jakub Jelinek  <jakub@redhat.com>
5906
5907         PR c++/20023
5908         PR tree-optimization/20009
5909         * convert.c (convert_to_integer): Revert 2005-02-16 change.
5910
5911         PR tree-optimization/18947
5912         * cgraphunit.c (cgraph_finalize_function): When redefining an extern
5913         inline, remove all nodes that are inlined into the extern inline
5914         being redefined.
5915
5916 2005-02-17  Kazu Hirata  <kazu@cs.umass.edu>
5917
5918         * bt-load.c, cfgloop.c, convert.c, dominance.c, global.c,
5919         loop-invariant.c, stmt.c, tree-ssa-forwprop.c,
5920         tree-ssa-live.c, tree-ssanames.c, tree-vn.c,
5921         config/host-linux.c, config/arm/fpa.md, config/avr/avr.h:
5922         Update copyright.
5923
5924 2005-02-17  Roger Sayle  <roger@eyesopen.com>
5925
5926         PR tree-optimization/19917
5927         * tree-eh.c (tree_could_trap_p): Consider calls to weak functions
5928         to be potentially trapping.
5929
5930 2005-02-17  Kazu Hirata  <kazu@cs.umass.edu>
5931
5932         * libgcc2.c, tree-vect-analyze.c: Fix comment typos.
5933
5934 2005-02-17  Andreas Krebbel  <krebbel1@de.ibm.com>
5935
5936         * builtins.c (expand_builtin_return_addr): Remove tem parameter.
5937         tem becomes a local variable which is set to the value of the
5938         back end defined INITIAL_FRAME_ADDRESS macro.
5939         (expand_builtin_frame_address): Omit the base parameter to
5940         expand_builtin_return_addr.
5941         (expand_builtin_profile_func): Likewise.
5942         * config/s390/s390.h (INITIAL_FRAME_ADDRESS_RTX): Define new macro.
5943         (DYNAMIC_CHAIN_ADDRESS): Remove the case for the initial frame.
5944         * doc/tm.texi: Documentation for INITIAL_FRAME_ADDRESS_RTX added.
5945
5946 2005-02-17  Jakub Jelinek  <jakub@redhat.com>
5947
5948         * config/s390/s390.c (s390_alloc_pool, s390_free_pool,
5949         s390_chunkify_start): Use BITMAP_ALLOC and BITMAP_FREE.
5950         * config/frv/frv.c (frv_function_epilogue): Likewise.
5951
5952 2005-02-17  Daniel Berlin  <dberlin@dberlin.org>
5953
5954         * lambda-code (perfect_nestify): Remove mark/unmark
5955         for rewriting hack.
5956         * tree-loop-linear.c (linear_transform_loops): Add
5957         rewrite_into_ssa call so that ssa is correct for
5958         rewriting into loop closed.
5959
5960 2005-02-17  Nathan Sidwell  <nathan@codesourcery.com>
5961
5962         * bitmap.h (BITMAP_XMALLOC, BITMAP_XFREE): Remove.
5963         * bb-reorder.c (duplicate_computed_gotos): Use BITMAP_ALLOC and
5964         BITMAP_FREE.
5965         * bt-load.c (btr_def_live_range, combine_btr_defs,
5966         migrate_btr_def, migrate_btr_defs): Likewise.
5967         * cfgcleanup.c (thread_jump): Likewise.
5968         * cfgloop.c (get_loop_body_in_bfs_order): Likewise.
5969         * df.c (df_insn_table_realloc, df_bitmaps_alloc, df_bitmaps_free,
5970         df_alloc, df_free, df_du_chain_create, df_bb_rd_local_compute,
5971         df_rd_local_compute, df_reg_info_compute): Likewise.
5972         * dominance.c (init_dom_info, free_dom_info): Likewise.
5973         * flow.c (init_propagate_block_info,
5974         free_propagate_block_info): Likewise.
5975         * gcse.c (alloc_gcse_mem, free_gcse_mem): Likewise.
5976         * global.c (allocate_bb_info, free_bb_info, calculate_reg_pav,
5977         modify_reg_pav): Likewise.
5978         * loop-invariant.c (find_defs, find_invariant_insn,
5979         find_invariants, free_inv_motion_data): Likewise.
5980         * predict.c (tree_predict_by_opcode,
5981         estimate_bb_frequencies): Likewise.
5982         * stmt.c (expand_case): Likewise.
5983         * tree-cfg.c (tree_duplicate_sese_region): Likewise.
5984         * tree-dfa.c (mark_new_vars_to_rename): Likewise.
5985         * tree-if-conv.c (get_loop_body_in_if_conv_order): Likewise.
5986         * tree-into-ssa.c (insert_phi_nodes_for, def_blocks_free,
5987         get_def_blocks_for, mark_def_site_blocks, rewrite_into_ssa,
5988         rewrite_ssa_into_ssa): Likewise.
5989         * tree-optimize.c (tree_rest_of_compilation): Likewise.
5990         * tree-outof-ssa.c (new_temp_expr_table, free_temp_expr_table,
5991         analyze_edges_for_bb, perform_edge_inserts): Likewise.
5992         * tree-scalar-evolution.c (scev_initialize, scev_finalize): Likewise.
5993         * tree-sra.c (tree_sra): Likewise.
5994         * tree-ssa-alias.c (init_alias_info, delete_alias_info): Likewise.
5995         * tree-ssa-ccp.c (ccp_fold_builtin): Likewise.
5996         * tree-ssa-dce.c (tree_dce_init, tree_dce_done): Likewise.
5997         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Likewise.
5998         * tree-ssa-dse.c (tree_ssa_dse): Likewise.
5999         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_var):
6000         Likewise.
6001         * tree-ssa-live.c (new_tree_live_info, delete_tree_live_info,
6002         calculate_live_on_entry, calculate_live_on_exit,
6003         build_tree_conflict_graph): Likewise.
6004         * tree-ssa-loop-ivopts.c (tree_ssa_iv_optimize_init, record_use,
6005         record_important_candidates, set_use_iv_cost, find_depends,
6006         determine_use_iv_costs, iv_ca_new, iv_ca_free, free_loop_data,
6007         tree_ssa_iv_optimize_finalize): Likewise.
6008         * tree-ssa-loop-manip.c (add_exit_phis_var, get_loops_exit,
6009         find_uses_to_rename_use, rewrite_into_loop_closed_ssa,
6010         tree_duplicate_loop_to_header_edge): Likewise.
6011         * tree-ssa-pre.c (init_pre, fini_pre): Likewise.
6012         * tree-ssa.c (verify_flow_insensitive_alias_info,
6013         verify_name_tags, verify_ssa, init_tree_ssa,
6014         delete_tree_ssa): Likewise.
6015         * tree-ssanames.c (marked_ssa_names, init_ssanames,
6016         fini_ssanames): Likewise.
6017         * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Likewise.
6018
6019 2005-02-17  Ralf Corsepius  <ralf.corsepius@rtems.org>
6020
6021         * config/rs6000/t-rtems: Completely reworked.
6022
6023 2005-02-17  Ira Rosen  <irar@il.ibm.com>
6024
6025         * tree-data-ref.c (array_base_name_differ_p): Remove gcc_assert.
6026
6027 2005-02-17  Ira Rosen  <irar@il.ibm.com>
6028
6029         * tree-vect-analyze.c (vect_analyze_pointer_ref_access): Use
6030         POINTER_TYPE_P when checking that type is a pointer.
6031         (vect_get_memtag): Remove.
6032         (vect_address_analysis): Use POINTER_TYPE_P. Call
6033         vect_object_analysis with dummy parameter for memtag.
6034         (vect_object_analysis): Extract memtag (functionality that
6035         used to be in vect_get_memtag and moved here). Fix printings.
6036         (vect_analyze_data_refs): Fix comment. Call vect_object_analysis
6037         with correct parameters. Remove call to vect_get_memtag.
6038
6039 2005-02-17  Dorit Naishlos  <dorit@il.ibm.com>
6040
6041         * Makefile.in (tree-vect-analyze.o, tree-vect-transform.o): New.
6042         (tree-vectorizer.o): Added missing dependencies.
6043
6044         * tree-vectorizer.h (vect_dump, vect_verbosity_level): Added extern
6045         decleration.
6046         (slpeel_tree_peel_loop_to_edge): Function externalized (had a static
6047         declaration in tree-vectorizer.c, now has an extern declaration in
6048         tree-vectorizer.h).
6049         (slpeel_make_loop_iterate_ntimes, slpeel_can_duplicate_loop_p,
6050         slpeel_verify_cfg_after_peeling, vect_strip_conversion,
6051         get_vectype_for_scalar_type, vect_is_simple_use,
6052         vect_is_simple_iv_evolution, vect_can_force_dr_alignment_p,
6053         vect_supportable_dr_alignment, new_loop_vec_info, destroy_loop_vec_info,
6054         new_stmt_vec_info, vect_analyze_loop, vectorizable_load,
6055         vectorizable_store, vectorizable_operation, vectorizable_assignment,
6056         vect_transform_loop, vect_print_dump_info, vect_set_verbosity_level,
6057         find_loop_location): Likewise.
6058
6059         * tree-vectorizer.c (langhooks.h): #include removed.
6060         (slpeel_tree_peel_loop_to_edge): Function externalized. Declaration
6061         moved to tree-vectorized.h.
6062         (slpeel_make_loop_iterate_ntimes, slpeel_can_duplicate_loop_p,
6063         slpeel_verify_cfg_after_peeling, vect_strip_conversion,
6064         get_vectype_for_scalar_type, vect_is_simple_use,
6065         vect_is_simple_iv_evolution, vect_can_force_dr_alignment_p,
6066         vect_supportable_dr_alignment, new_loop_vec_info,
6067         destroy_loop_vec_info, new_stmt_vec_info, vect_print_dump_info,
6068         vect_set_verbosity_level, find_loop_location): Likewise.
6069
6070         (vect_analyze_loop): Function externalized. Declaration moved to
6071         tree-vectorized.h. Function definition moved to tree-vect-analyze.c.
6072         (vect_analyze_loop_form): Moved to tree-vect-analyze.c.
6073         (vect_mark_stmts_to_be_vectorized, vect_analyze_scalar_cycles,
6074         vect_analyze_data_ref_accesses, vect_analyze_data_ref_dependences,
6075         vect_analyze_data_refs_alignment, vect_compute_data_refs_alignment,
6076         vect_enhance_data_refs_alignment, vect_analyze_operations,
6077         exist_non_indexing_operands_for_use_p, vect_mark_relevant,
6078         vect_stmt_relevant_p, vect_get_loop_niters,
6079         vect_analyze_data_ref_dependence, vect_compute_data_ref_alignment,
6080         vect_analyze_data_ref_access, vect_analyze_pointer_ref_access,
6081         vect_can_advance_ivs_p, vect_get_ptr_offset, vect_analyze_offset_expr,
6082         vect_base_addr_differ_p, vect_object_analysis, vect_address_analysis,
6083         vect_get_memtag): Likewise.
6084
6085         (vectorizable_load): Function externalized. Declaration moved to
6086         tree-vectorized.h. Function definition moved to tree-vect-transform.c.
6087         (vectorizable_store, vectorizable_operation, vectorizable_assignment,
6088         vect_transform_loop): Likewise.
6089         (vect_transform_stmt): Moved to tree-vect-transform.c.
6090         (vect_align_data_ref, vect_create_destination_var,
6091         vect_create_data_ref_ptr, vect_create_index_for_vector_ref,
6092         vect_create_addr_base_for_vector_ref, vect_get_new_vect_var,
6093         vect_get_vec_def_for_operand, vect_init_vector,
6094         vect_finish_stmt_generation, vect_generate_tmps_on_preheader,
6095         vect_build_loop_niters, vect_update_ivs_after_vectorizer,
6096         vect_gen_niters_for_prolog_loop, vect_update_inits_of_dr,
6097         vect_update_inits_of_drs, vect_do_peeling_for_alignment,
6098         vect_do_peeling_for_loop_bound): Likewise.
6099
6100         * tree-vect-analyze.c: New file.
6101         * tree-vect-transform.c: New file.
6102
6103 2005-02-17  Jason Merrill  <jason@redhat.com>
6104
6105         PR mudflap/19319, c++/19317
6106         * gimplify.c (gimplify_modify_expr_rhs) [CALL_EXPR]: Make return
6107         slot explicit.
6108
6109 2005-02-17  Gerald Pfeifer  <gerald@pfeifer.com>
6110
6111         * doc/install.texi (Specific): Update link for Darwin-specific
6112         tool binary site.
6113
6114 2005-02-16  James A. Morrison  <phython@gcc.gnu.org>
6115
6116         * fold-const.c (invert_truthvalue): <INTEGER_CST>: Call
6117         constant_boolean_node.
6118
6119 2005-02-16  David Edelsohn  <edelsohn@gnu.org>
6120
6121         PR target/19019
6122         * config/rs6000/t-aix43 (SHLIB_MAPFILES): Add libgcc-ppc64.ver.
6123         * config/rs6000/t-aix52 (SHLIB_MAPFILES): Same.
6124
6125 2005-02-16  Richard Henderson  <rth@redhat.com>
6126
6127         PR 19920
6128         * libgcc2.c (WORD_SIZE): Remove all definitions; replace uses
6129         with W_TYPE_SIZE.
6130         (HIGH_WORD_COEFF, HIGH_HALFWORD_COEFF): Remove all definitions;
6131         replace uses with Wtype_MAXp1_F.
6132         (L_fixunstfdi, L_fixtfdi, L_floatditf, L_fixunsxfdi, L_fixxfdi,
6133         L_floatdixf, L_fixunsxfsi, L_fixunsdfdi, L_floatdidf, L_fixunsdfsi,
6134         L_powidf2, L_powixf2, L_powitf2, L_muldc3, L_divdc3, L_mulxc3,
6135         L_divxc3, L_multc3, L_divtc3): Protect with HAVE_DFMODE, HAVE_XFMODE,
6136         and HAVE_TFMODE as appropriate.
6137         (__fixunssfDI): Provide an implementation that doesn't need DFmode.
6138         (__floatdisf): Likewise.
6139         * libgcc2.h (LIBGCC2_DOUBLE_TYPE_SIZE): New.
6140         (HAVE_DFMODE, HAVE_XFMODE, HAVE_TFMODE): New.
6141         (Wtype_MAXp1_F): New.
6142         (DFtype, DCtype, __fixdfdi, __floatdidf, __fixunsdfSI, __fixunsdfDI,
6143         __powidf2, __divdc3, __muldc3): Protect with HAVE_DFMODE.
6144
6145 2005-02-16  Richard Earnshaw  <rearnsha@arm.com>
6146
6147         * PR target/19162
6148         * arm.c (arm_apply_result_size): New function.
6149         * arm.h (APPLY_RESULT_SIZE): Define.
6150         * arm-protos.h (arm_apply_result_size): Add prototype.
6151         * arm.md (RO_REGNUM, FPA_F0_REGNUM, FPA_F7_REGNUM): New constants.
6152         (movxf): New expand.
6153         (ldmsi_postinc4_thumb, stmsi_postinc4_thumb): New patterns for Thumb.
6154         (call_value_symbol): Remove predicate for operand 0.
6155         (call_value_insn, sibcall_value, sibcall_value_insn): Likewise.
6156         (untyped_call): Rework to correclty return values for any type.
6157         (untyped_return): New expand.
6158         * fpa.md (movxf_fpa): Simplify and use sfm/lfm when appropriate.
6159
6160 2005-02-16  Stan Shebs  <shebs@apple.com>
6161
6162         * config.gcc (powerpc-*-darwin*): Use fragment for Darwin 8 or later.
6163         * config/rs6000/t-darwin8: New, for 64-bit multilib.
6164
6165 2005-02-16  Eric Botcazou  <ebotcazou@libertysurf.fr>
6166
6167         * doc/install.texi (sparc-sun-solaris2*): Document required GMP
6168         configure settings on Solaris 7 and later.
6169
6170 2005-02-16  Diego Novillo  <dnovillo@redhat.com>
6171
6172         PR tree-optimization/19865
6173         * tree-optimize.c (init_tree_optimization_passes): Run
6174         pass_may_alias after pass_sra.
6175
6176 2005-02-16  Richard Henderson  <rth@redhat.com>
6177             Stuart Hastings  <stuart@apple.com>
6178
6179         PR debug/19521
6180         * dbxout.c (dbxout_function_end): Take decl parameter; update callers.
6181         Do nothing if debug info suppressed for this function.
6182         (dbxout_begin_function): Early exit if debug info suppressed for
6183         this function.
6184
6185 2005-02-16  Kazu Hirata  <kazu@cs.umass.edu>
6186
6187         PR target/20007
6188         * config/ip2k/ip2k.c (ip2k_reorg): Adjust calls to
6189         find_basic_blocks.
6190         * config/sh/sh.c (sh_output_mi_thunk): Likewise.
6191
6192         PR tree-optimization/19967
6193         * builtins.c (expand_builtin_strstr, expand_builtin_strpbrk,
6194         expand_builtin_strchr, expand_builtin_strrchr): Take a new
6195         argument TYPE.  Adjust calls to fold_builtin_XXX.
6196         (expand_builtin, fold_builtin_1): Adjust calls to
6197         expand_builtin_XXX.
6198         (fold_builtin_strchr, fold_builtin_strpbrk,
6199         fold_builtin_strstr, fold_builtin_strrchr): Convert the folded
6200         result to a requested type TYPE.
6201
6202 2005-02-16  Jakub Jelinek  <jakub@redhat.com>
6203
6204         PR middle-end/19857
6205         * fold-const.c (fold): Don't optimize (T)(x & cst) to
6206         (T)x & (T)cst if (T)cst overflows.
6207         * convert.c (convert_to_integer) <case POINTER_TYPE>: Pass
6208         TYPE_UNSIGNED (type) as type_for_size's UNSIGNEDP argument.
6209
6210 2005-02-15  Jeff Law  <law@redhat.com>
6211
6212         * gcse.c (blocks_with_calls): New bitmap.
6213         (alloc_gcse_mem): Allocate it.
6214         (free_gcse_mem): Free it.
6215         (clear_modifY_mem_tables): Clear it.
6216         (record_last_mem_set_info): Set the proper bit in BLOCK_WITH_CALLS
6217         when we encounter CALL_INSNs.
6218         (compute_transp, case MEM): Handle blocks with calls separate
6219         from blocks without calls.  Use bitmap iterators rather than
6220         FOR_EACH_BB.
6221
6222 2005-02-15  Peter O'Gorman  <peter@pogma.com>
6223
6224         PR bootstrap/18810
6225         * mklibgcc.in (vis_hide): Use a temporary object file, not
6226         -o /dev/null.
6227
6228 2005-02-15  Andy Hutchinson  <HutchinsonAndy@netscape.net>
6229
6230         PR target/19924
6231         * config/avr/avr.h (MODES_TIEABLE_P): Define to 1 to allow subreg
6232         access optimization.
6233
6234 2005-02-15  David Edelsohn  <edelsohn@gnu.org>
6235             Alan Modra  <amodra@bigpond.net.au>
6236
6237         PR target/19019
6238         * config/rs6000/darwin-ldouble.c (_xlqadd): Rename to __gcc_qadd.
6239         (_xlqsub): Rename to __gcc_qsub.
6240         (_xlqmul): Rename to __gcc_qmul.
6241         (_xlqdiv): Rename to __gcc_qdiv.
6242         Provide versioned symbol aliases with old names.
6243         * config/rs6000/libgcc-ppc64.ver: Rename symbols.
6244         * config/rs6000/rs6000.c (rs6000_init_libfuncs): Rename symbols.
6245         * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): New.
6246         * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): New.
6247         * config/rs6000/t-newas (LIB2FUNCS_EXTRA): New.
6248
6249 2005-02-15  James A. Morrison  <phython@gcc.gnu.org>
6250
6251         * fold-const.c (fold): Fold -(~A) to A + 1.  Fold ~(-A) to A - 1.
6252         Fold ~(A - 1) and ~(A + -1) to -A.
6253
6254 2005-02-15  James A. Morrison  <phython@gcc.gnu.org>
6255
6256         PR pch/14940
6257         PR target/19300
6258         * config/host-linux.c (linux_gt_pch_use_address): Copy from
6259         config/pa/pa-host.c:pa_gt_pch_use_address.
6260
6261 2005-02-15  Daniel Berlin  <dberlin@dberlin.org>
6262
6263         * tree-vn.c (get_value_handle): Make sure that given an
6264         is_gimple_min_invariant expression, we always return it.
6265
6266 2005-02-15  Kazu Hirata  <kazu@cs.umass.edu>
6267
6268         * passes.c (rest_of_handle_gcse): Fix a comment.
6269
6270 2005-02-15  Jeff Law  <law@redhat.com>
6271
6272         * gcse.c (canon_modify_mem_set_list_set): Kill unnecessary
6273         bitmap.
6274         (alloc_gcse_mem, free_gcse_mem): Corresponding changes.
6275         (canon_list_insert, record_last_mem_set_info): Similarly.
6276         (clear_modify_mem_tables): Similarly.
6277
6278 2005-02-15  Kazu Hirata  <kazu@cs.umass.edu>
6279
6280         * bitmap.c, bitmap.h, lambda-code.c, tree-dfa.c, tree-dump.c,
6281         tree-dump.h, tree-ssa-loop-manip.c, value-prof.c,
6282         config/mips/mips.md, config/rs6000/aix.h,
6283         config/rs6000/beos.h, config/rs6000/sysv4.h: Update copyright.
6284
6285 2005-02-15  Richard Henderson  <rth@redhat.com>
6286
6287         * bb-reorder.c (find_traces_1_round): Force fallthru edge from a
6288         call to be best_edge.
6289
6290 2005-02-14  Kazu Hirata  <kazu@cs.umass.edu>
6291
6292         * basic-block.h: Adjust the prototype for find_basic_blocks.
6293         * cfgbuild.c (find_basic_blocks): Remove unused arguments.
6294         * passes.c (rest_of_handle_loop_optimize): Adjust the call to
6295         find_basic_blocks.
6296
6297         * flow.c (recompute_reg_usage): Remove all arguments.
6298         * passes.c (rest_of_compilation): Adjust the call to
6299         recompute_reg_usage.
6300         * rtl.h: Adjust the prototype for recompute_reg_usage.
6301
6302 2005-02-14  Daniel Berlin  <dberlin@dberlin.org>
6303
6304         * tree-dump.c (dump_files): Update to reflect new member
6305         of dump_file_info.
6306         (dump_register): Add new argument.
6307         Set glob name.
6308         (dump_switch_p_1): Check against glob name if doglob was passed.
6309         (dump_switch_p): Check against regular first, then glob if
6310         we didn't have any hits on the dump name.
6311         * tree-optimize.c (register_one_dump_file):
6312         Pass in glob name as well.
6313         * tree-pass.h (struct dump_file_info): Add glob
6314         member.
6315
6316 2005-02-14  Joseph S. Myers  <joseph@codesourcery.com>
6317
6318         PR preprocessor/16323
6319         * doc/invoke.texi: Document that -Wendif-labels is on by default.
6320
6321 2005-02-14  David Edelsohn  <edelsohn@gnu.org>
6322
6323         PR target/19019
6324         * config/rs6000/rs6000.md (trunctfdf2): Change to define_expand.
6325         (trunctfdf2_internal1): New.
6326         (trunctfdf2_internal2): Renamed from trunctfdf2.
6327
6328 2005-02-14  Diego Novillo  <dnovillo@redhat.com>
6329
6330         PR tree-optimization/19853
6331         * tree-dfa.c (add_referenced_var): Always examine DECL_INITIAL.
6332
6333 2005-02-14  Kazu Hirata  <kazu@cs.umass.edu>
6334
6335         * passes.c (rest_of_handle_loop_optimize): Remove calls to
6336         delete_dead_jumptables and cleanup_cfg.
6337
6338 2005-02-14  Ulrich Weigand  <uweigand@de.ibm.com>
6339
6340         * reload.c (find_reloads): Swap address_reloaded flags when
6341         swapping commutative operands.
6342
6343 2005-02-14  Sebastian Pop  <pop@cri.ensmp.fr>
6344
6345         * lambda-code.c (lambda_loopnest_to_gcc_loopnest, perfect_nestify):
6346         Use standard_iv_increment_position for computing the bsi position
6347         for create_iv.
6348         * tree-ssa-loop-manip.c (create_iv): Add a comment on how to compute
6349         the bsi position.
6350
6351 2005-02-13  Zdenek Dvorak  <dvorakz@suse.cz>
6352
6353         PR target/17428
6354         * cfgrtl.c (safe_insert_insn_on_edge): Avoid extending
6355         life range of hard registers.
6356         * value-prof.c (insn_prefetch_values_to_profile): Only
6357         scan normal insns.
6358
6359         * value-prof.c (rtl_find_values_to_profile): Do not look for values to
6360         profile in libcalls.
6361
6362 2005-02-13  Nathan Sidwell  <nathan@codesourcery.com>
6363
6364         * bitmap.h (bitmap_and_compl_into): Return bool.
6365         * bitmap.c (bitmap_and_compl_into): Return changed flag.
6366
6367 2005-02-13  James A. Morrison  <phython@gcc.gnu.org>
6368
6369         PR tree-optimization/19944
6370         * fold-const.c (fold): Re-add ABS_EXPR folding.
6371
6372 2005-02-13  David Edelsohn  <edelsohn@gnu.org>
6373
6374         PR target/19019
6375         * config/rs6000/aix.h ({TARGET,MASK}_XL_CALL): Rename to
6376         {TARGET,MASK}_XL_COMPAT.
6377         (SUBTARGET_SWITCHES): Rename xl-call to xl-compat.  Use
6378         MASK_XL_COMPAT.
6379         * config/rs6000/beos.h ({TARGET,MASK}_XL_CALL): Remove.
6380         * config/rs6000/rs6000.c (function_arg): Change TARGET_XL_CALL to
6381         TARGET_XL_COMPAT.
6382         (rs6000_arg_partial_bytes): Same.
6383         (rs6000_generate_compare): Generate PARALLEL for compare if TFmode
6384         and XL compatibility enabled.
6385         * config/rs6000/rs6000.h (TARGET_XL_CALL): Rename to TARGET_XL_COMPAT.
6386         * config/rs6000/rs6000.md (cmptf_internal1): Add !TARGET_XL_COMPAT
6387         test to final condition.
6388         (cmptf_internal2): New.
6389         * doc/invoke.texi (RS/6000 Subtarget Options): Change xl-call to
6390         xl-compat.  Add TFmode information to description.
6391
6392 2005-02-13  Kazu Hirata  <kazu@cs.umass.edu>
6393
6394         * flags.h, read-rtl.c, tree-ssa-live.h: Update copyright.
6395
6396 2005-02-13  Jason Merrill  <jason@redhat.com>
6397
6398         PR c++/16405
6399         * fold-const.c (fold_indirect_ref_1): Split out from...
6400         (build_fold_indirect_ref): Here.
6401         (fold_indirect_ref): New fn.
6402         * tree.h: Declare it.
6403         * gimplify.c (gimplify_compound_lval): Call fold_indirect_ref.
6404         (gimplify_modify_expr_rhs): Likewise.
6405         (gimplify_expr): Likewise.
6406
6407 2005-02-13  James A. Morrison  <phython@gcc.gnu.org>
6408
6409         PR tree-optimization/14303
6410         PR tree-optimization/15784
6411         * fold-const.c (fold): Fold ABS_EXPR<x> >= 0 to true, when possible.
6412         Fold ABS_EXPR<x> < 0 to false.  Fold ABS_EXPR<x> == 0 to x == 0 and
6413         ABS_EXPR<x> != 0 to x != 0.
6414
6415 2005-02-12  Kazu Hirata  <kazu@cs.umass.edu>
6416
6417         * c-tree.h, combine.c, expmed.c, flow.c, libgcc2.c,
6418         simplify-rtx.c, tree-ssa-live.h: Fix comment typos.  Follow
6419         spelling conventions.
6420
6421         * passes.c (rest_of_handle_gcse): Don't run cse_main and
6422         delete_trivially_dead_insns too many times.
6423
6424         * passes.c (rest_of_handle_gcse): Remove dead assignments to
6425         tem and tem2.
6426
6427 2005-02-12  Ira Rosen  <irar@il.ibm.com>
6428
6429         * tree-vectorizer.c (vect_get_base_and_offset): Remove.
6430         (vect_is_simple_iv_evolution): Remove redundant parameter
6431         and step check.
6432         (vect_analyze_scalar_cycles): Call vect_is_simple_iv_evolution
6433         without last parameter.
6434         (vect_analyze_pointer_ref_access): Get access_fn as parameter.
6435         Return pointer step. Call vect_is_simple_iv_evolution without
6436         last parameter. Check only that the step is multiple of size
6437         type. Remove stmt_vinfo updates.
6438         (vect_get_memtag_and_dr): Remove.
6439         (vect_get_memtag): New function.
6440         (vect_address_analysis): New function.
6441         (vect_object_analysis): New function.
6442         (vect_analyze_data_refs): Call vect_object_analysis and
6443         vect_get_memtag. Update stmt_vinfo fields.
6444
6445 2005-02-12  Ira Rosen  <irar@il.ibm.com>
6446
6447         * tree-data-ref.c (array_base_name_differ_p): Check that the bases
6448         exist and are objects. Remove checks for pointer.
6449         * tree-vectorizer.c (vect_create_addr_base_for_vector_ref): Use
6450         STMT_VINFO_VECT_DR_BASE_ADDRESS instead of DR_BASE_NAME.
6451         (vect_create_data_ref_ptr): Likewise.
6452         (vect_base_addr_differ_p): New function.
6453         (vect_analyze_data_ref_dependence): Call vect_base_addr_differ_p.
6454         (vect_analyze_pointer_ref_access): Add output parameter - ptr_init.
6455         Don't set the DR_BASE_NAME field of data-ref.
6456         (vect_get_memtag_and_dr): Use ptr_init instead of DR_BASE_NAME.
6457
6458 2005-02-12  Uros Bizjak  <uros@kss-loka.si>
6459
6460         * optabs.h (enum optab_index): Add new OTI_ldexp.
6461         (ldexp_optab): Define corresponding macro.
6462         * optabs.c (init_optabs): Initialize ldexp_optab.
6463         * genopinit.c (optabs): Implement ldexp_optab using ldexp?f3
6464         patterns.
6465         * builtins.c (expand_builtin_mathfn_2): Handle BUILT_IN_LDEXP{,F,L}
6466         using ldexp_optab.
6467         (expand_builtin): Expand BUILT_IN_LDEXP{,F,L} using
6468         expand_builtin_mathfn_2 if flag_unsafe_math_optimizations is set.
6469
6470         * config/i386/i386.md (ldexpsf3, ldexpdf3, ldexpxf3): New expanders
6471         to implement ldexpf, ldexp and ldexpl built-ins as inline x87
6472         intrinsics.
6473
6474 2005-02-12  Ira Rosen  <irar@il.ibm.com>
6475
6476         * tree-vectorizer.h (struct _stmt_vec_info): Rename a field: base
6477         to base_address.
6478         * tree-vectorizer.c (new_stmt_vec_info): Rename the above field of
6479         stmt_vec_info.
6480         (vect_get_base_and_offset): Always return an address.
6481         (vect_create_addr_base_for_vector_ref): Remove treatment for
6482         different data reference types.
6483         (vect_compute_data_ref_alignment): Rename base to base_address in
6484         stmt_vec_info. Get the object in order to force its alignment.
6485         (vect_get_memtag_and_dr): Rename base to base_address in
6486         stmt_vec_info. Extract the object for memtag analysis.
6487
6488 2005-02-12  Hans-Peter Nilsson  <hp@axis.com>
6489
6490         PR regression/19898.
6491         * config/cris/cris.c (cris_notice_update_cc): When testing if insn
6492         changes cc_status, use apply modified_in_p to part of cc_status
6493         and insn, not cris_reg_overlap_mentioned_p on SET_DEST of insn
6494         body.
6495
6496 2005-02-11  Richard Henderson  <rth@redhat.com>
6497
6498         * tree-complex.c (expand_complex_libcall): New.
6499         (expand_complex_multiplication): Use it for c99 compliance.
6500         (expand_complex_division): Likewise.
6501         * fold-const.c (fold_complex_add, fold_complex_mult): New.
6502         (fold): Call them.
6503         * builtins.c (built_in_names): Remove const.
6504         * tree.c (build_common_builtin_nodes): Build complex arithmetic
6505         builtins.
6506         * tree.h (BUILT_IN_COMPLEX_MUL_MIN, BUILT_IN_COMPLEX_MUL_MAX): New.
6507         (BUILT_IN_COMPLEX_DIV_MIN, BUILT_IN_COMPLEX_DIV_MAX): New.
6508         (built_in_names): Remove const.
6509         * c-common.c (c_common_type_for_mode): Handle complex modes.
6510         * flags.h, toplev.c (flag_complex_method): Rename from
6511         flag_complex_divide_method.
6512         * libgcc2.c (__divsc3, __divdc3, __divxc3, __divtc3,
6513         __mulsc3, __muldc3, __mulxc3, __multc3): New.
6514         * libgcc2.h: Declare them.
6515         * libgcc-std.ver: Export them.
6516         * mklibgcc.in (lib2funcs): Build them.
6517
6518 2005-02-11  Steven Bosscher  <stevenb@suse.de>
6519
6520         PR tree-optimization/19876
6521         Partially revert my change from 2005-01-14
6522         * tree-ssa-pre.c (compute_antic_aux): Make recursive once again...
6523         (compute_antic): ...and remove the loop here.
6524
6525 2005-02-11  Jakub Jelinek  <jakub@redhat.com>
6526
6527         PR middle-end/19858
6528         * fold-const.c (make_bit_field_ref): If bitpos == 0 and bitsize
6529         is number of inner's bits, avoid creating a BIT_FIELD_REF.
6530
6531         * config/rs6000/sysv4.h (ENDFILE_LINUX_SPEC): Use crtendS.o instead of
6532         crtend.o if -pie.  Use %{x:a;:b} spec syntax.
6533
6534 2005-02-11  Daniel Jacobowitz  <dan@codesourcery.com>
6535
6536         * config/mips/linux-unwind.h (mips_fallback_frame_state): Adjust
6537         offsets for the big-endian 32-bit case.
6538
6539 2005-02-11  Joseph S. Myers  <joseph@codesourcery.com>
6540
6541         * config/ia64/hpux.h (WCHAR_TYPE, WCHAR_TYPE_SIZE): Define.
6542
6543 2005-02-11  Dale Johannesen  <dalej@apple.com>
6544
6545         * cselib.c (cselib_process_insn):  Clear out regs where
6546         HARD_REGNO_CALL_PART_CLOBBERED is true at a call.
6547         * reload.c (find_equiv_reg): Ditto.
6548
6549 2005-02-11  Ian Lance Taylor  <ian@airs.com>
6550
6551         * read-rtl.c (read_rtx_1): Give fatal error if we see a vector
6552         with no elements.
6553
6554         * tree.c (build_function_type_list): Work correctly if there are
6555         no arguments.
6556
6557 2005-02-11  Ulrich Weigand  <uweigand@de.ibm.com>
6558
6559         * config/s390/s390.md ("*cmpdi_cct", "*cmpsi_cct", "*cmpdi_ccs",
6560         "*cmpsi_ccs"): Use %h instead of %c to print immediate operand.
6561         ("*zero_extendhisi2_64", "*zero_extendhisi2_31"): Choose based on
6562         TARGET_ZARCH instead of TARGET_64BIT.
6563
6564 2005-02-11  Ralf Corsepius  <ralf.corsepius@rtems.org>
6565
6566         * config/rs6000/t-rtems:
6567         (MULTILIB_OPTIONS): Remove mcpu=602.
6568         (MUTLILIB_DIRNAMES): Remove m602.
6569         (MULTILIB_MATCHES): Add ${MULTILIB_MATCHES_FLOAT}.
6570         Let mcpu=602 match mcpu=603.
6571         (MULTILIB_NEW_EXCEPTIONS_ONLY): Add mcpu=601, mcpu=602, mcpu=m603.
6572
6573 2005-02-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
6574
6575         * pa/linux-unwind.h (pa32_fallback_frame_state): Handle misaligned
6576         signal trampolines.
6577
6578 2005-02-10  David Daney  <ddaney@avtrex.com>
6579
6580         * config/alpha/linux-unwind.h: Add exception clause to copyright.
6581         * config/i386/linux-unwind.h: Likewise.
6582         * config/ia64/linux-unwind.h: Likewise.
6583         * config/mips/linux-unwind.h: Likewise.
6584         * config/pa/linux-unwind.h: Likewise.
6585         * config/rs6000/linux-unwind.h: Likewise.
6586         * config/s390/linux-unwind.h: Likewise.
6587         * config/sh/linux-unwind.h: Likewise.
6588         * config/sparc/linux-unwind.h: Likewise.
6589
6590 2005-02-10  Steven Bosscher  <stevenb@suse.de>
6591
6592         PR tree-optimization/17549
6593         * tree-outof-ssa.c (find_replaceable_in_bb): Do not allow
6594         TER to replace a DEF with its expression if the DEF and the
6595         rhs of the expression we replace into have the same root
6596         variable.
6597
6598 2005-02-10  Richard Sandiford  <rsandifo@redhat.com>
6599
6600         * config/mips/mips.md: Fix the placement of the match_scratch in the
6601         lea64 peephole2.
6602
6603 2005-02-10  Kazu Hirata  <kazu@cs.umass.edu>
6604
6605         * cse.c, tree-ssa-loop-ivopts.c, config/rs6000/linux-unwind.h:
6606         Fix comment typos.
6607
6608 2005-02-10  Zdenek Dvorak  <dvorakz@suse.cz>
6609
6610         * tree-ssa-loop-ivopts.c (determine_base_object): Ignore casts.
6611         (strip_offset): Handle addresses.
6612         (add_address_candidates): Use strip_offset.
6613         (difference_cost): Reflect strip_offset change.
6614         (force_var_cost, difference_cost): Strip nops.
6615
6616 2005-02-10  Kazu Hirata  <kazu@cs.umass.edu>
6617
6618         * df.h (DF_REF_MODE_CHANGE, DF_REF_MEM_OK): Remove.
6619
6620         * builtins.def, haifa-sched.c, libgcc2.c, libgcc2.h,
6621         tree-ssa-loop-ivcanon.c, tree-ssa-loop-niter.c,
6622         config/cris/cris-protos.h, config/cris/cris.c: Update
6623         copyright.
6624
6625 2005-02-10  Jeff Law  <law@redhat.com>
6626
6627         * tree-ssa-dom.c (thread_across_edge): Use xmalloc, not xcalloc.
6628         (lookup_avail_expr): Similarly.
6629
6630 2005-02-10  Richard Guenther  <rguenth@gcc.gnu.org>
6631
6632         * builtins.c (fold_builtin_powi): New function.
6633         (fold_builtin_1): Call it.
6634
6635 2005-02-10  Steven Bosscher  <stevenb@suse.de>
6636
6637         PR documentation/19309
6638         * doc/cpp.texi: The __GNUC__ and related predefined macros
6639         are also defined for the "standalone" cpp.
6640         Some non-GCC compilers may also define __GNUC__.
6641
6642 2005-02-10  Jakub Jelinek  <jakub@redhat.com>
6643
6644         PR c/19342
6645         * c-typeck.c (common_type): New routine.  Old common_type renamed
6646         to...
6647         (c_common_type): ...this.
6648         (build_conditional_expr, build_binary_op): Use c_common_type instead
6649         of common_type.
6650
6651 2005-02-10  Steven Bosscher  <stevenb@suse.de>
6652
6653         * doc/md.texi: Replace @samp{length} with @code{length}.
6654
6655 2005-02-09  Zdenek Dvorak  <dvorakz@suse.cz>
6656
6657         PR tree-optimization/18687
6658         * tree-flow.h (find_loop_niter): Declare.
6659         * tree-ssa-loop-ivcanon.c (canonicalize_loop_induction_variables):
6660         Try using scev even for loops with more than one exit.
6661         * tree-ssa-loop-ivopts.c (struct loop_data): Removed niter field.
6662         (struct ivopts_data): Added niters field.
6663         (struct nfe_cache_elt): New.
6664         (nfe_hash, nfe_eq, niter_for_exit, niter_for_single_dom_exit): New
6665         functions.
6666         (tree_ssa_iv_optimize_init): Initialize niters cache.
6667         (determine_number_of_iterations): Removed.
6668         (find_induction_variables): Do not call determine_number_of_iterations.
6669         Access niters for single exit through niter_for_single_dom_exit.
6670         (add_iv_outer_candidates): Access niters for single exit through
6671         niter_for_single_dom_exit.
6672         (may_eliminate_iv): Take data argument.  Use niter_for_exit.  Do not use
6673         number_of_iterations_cond.
6674         (iv_period): New function.
6675         (determine_use_iv_cost_condition): Pass data to may_eliminate_iv.
6676         (may_replace_final_value): Take data argument.  Use
6677         niter_for_single_dom_exit.
6678         (determine_use_iv_cost_outer): Pass data to may_replace_final_value.
6679         (rewrite_use_compare): Pass data to may_eliminate_iv.
6680         (rewrite_use_outer): Pass data to may_replace_final_value.
6681         (free_loop_data): Clean up the niters cache.
6682         (tree_ssa_iv_optimize_finalize): Free the niters cache.
6683         (tree_ssa_iv_optimize_loop): Do not call loop_commit_inserts.
6684         * tree-ssa-loop-niter.c (find_loop_niter): New function.
6685         (find_loop_niter_by_eval): Use tree_int_cst_lt.
6686         (num_ending_zeros): Moved to tree.c.
6687         * tree.h (num_ending_zeros): Declare.
6688         * tree.c (num_ending_zeros): Moved from tree.c.
6689
6690 2005-02-09  Richard Henderson  <rth@redhat.com>
6691
6692         * builtins.c (DEF_BUILTIN): Add COND argument.
6693         * tree.h (DEF_BUILTIN): Likewise.
6694         * builtins.def (DEF_GCC_BUILTIN, DEF_LIB_BUILTIN, DEF_EXT_LIB_BUILTIN,
6695         DEF_C94_BUILTIN, DEF_C99_BUILTIN, DEF_C99_C90RES_BUILTIN): Update to
6696         match.
6697         (DEF_BUILTIN_STUB): New.
6698         (BUILT_IN_STACK_SAVE, BUILT_IN_STACK_RESTORE, BUILT_IN_INIT_TRAMPOLINE,
6699         BUILT_IN_ADJUST_TRAMPOLINE, BUILT_IN_NONLOCAL_GOTO,
6700         BUILT_IN_PROFILE_FUNC_ENTER, BUILT_IN_PROFILE_FUNC_EXIT): Use it.
6701         * c-common.c (DEF_BUILTIN): Add COND argument.
6702         * tree.c (local_define_builtin): New.
6703         (build_common_builtin_nodes): New.
6704
6705 2005-02-09  Roger Sayle  <roger@eyesopen.com>
6706
6707         * fold-const.c (fold_strip_sign_ops): New function to simplify a
6708         floating point expression ignoring the sign of the result.
6709         (fold) <ABS_EXPR>: Use it to simplify fabs(x).
6710         (fold) <MULT_EXPR>: Use it to simplify x*x.
6711         * tree.h (fold_strip_sign_ops): Prototype here.
6712         * builtins.c (fold_builtin_copysign): Take an additional FNDECL
6713         argument.  Use fold_strip_sign_ops to simplify the first argument.
6714         (fold_builtin_pow):  Use fold_strip_sign_ops to simplify the
6715         first argument when the second argument is an even integer
6716         constant, but only with -funsafe_math_optimizations.
6717         (fold_builtin_1): Update call to fold_builtin_copysign.
6718
6719 2005-02-09  Ian Lance Taylor  <ian@airs.com>
6720
6721         PR middle-end/19583
6722         * gimple-low.c (try_catch_may_fallthru): In EH_FILTER_EXPR case,
6723         just check whether EH_FILTER_FAILURE falls through.
6724
6725 2005-02-09  Andreas Krebbel  <krebbel1@de.ibm.com>
6726
6727         * gcc/haifa-sched.c (schedule_block): Make queued sched group
6728         insns return to ready list in the next turn.
6729
6730 2005-02-09  Richard Guenther  <rguenth@gcc.gnu.org>
6731
6732         PR middle-end/19402
6733         * builtins.def: New __builtin_powi[lf].
6734         * builtins.c (mathfn_built_in): Handle BUILT_IN_POWI.
6735         (expand_builtin_powi): New function.
6736         (expand_builtin): Dispatch to expand_builtin_powi.
6737         * libgcc2.h: Add prototypes for __builtin_powi[lf].
6738         * libgcc2.c: Add __builtin_powi[lf] implementation.
6739         * mklibgcc.in: Add __builtin_powi[lf] to lib2funcs.
6740         * optabs.h: Add powi_optab.
6741         * optabs.c (init_optabs): Initialize powi_optab.
6742         * doc/extend.texi: Document __builtin_powi[lf].
6743
6744 2005-02-09  Dorit Naishlos  <dorit@il.ibm.com>
6745
6746         * tree-vectorizer.c (vect_set_dump_settings): Check that dump_file
6747         exists.
6748
6749 2005-02-09  Richard Guenther  <rguenth@gcc.gnu.org>
6750
6751         PR middle-end/19854
6752         * fold-const.c (try_move_mult_to_index): Remove redundant
6753         type argument.  Create ADDR_EXPR with correct type.
6754         (fold): Update callers of try_move_mult_to_index.  Convert
6755         result to the appropriate type.
6756
6757 2005-02-09  Roger Sayle  <roger@eyesopen.com>
6758
6759         PR target/19597
6760         * config/avr/avr.c (default_rtx_costs): Delete.
6761         (avr_operand_rtx_cost): New function.
6762         (avr_rtx_costs): Completely rewrite.
6763
6764 2005-02-08  Hans-Peter Nilsson  <hp@axis.com>
6765
6766         PR target/19806
6767         * config/cris/cris.c (in_code): New variable.
6768         (cris_output_addr_const): Now a static function, a wrapper for
6769         output_addr_const.
6770         (cris_asm_output_symbol_ref): New function, broken out SYMBOL_REF
6771         case from old cris_output_addr_const.
6772         (cris_asm_output_label_ref): Similar for LABEL_REF.
6773         (cris_output_addr_const_extra): Similar for UNSPEC.
6774         * config/cris/cris.h (OUTPUT_ADDR_CONST_EXTRA)
6775         (ASM_OUTPUT_SYMBOL_REF, ASM_OUTPUT_LABEL_REF): Define.
6776         * config/cris/cris-protos.h (cris_output_addr_const): Remove
6777         declaration.
6778         (cris_asm_output_symbol_ref, cris_output_addr_const_extra)
6779         (cris_asm_output_label_ref): Declare.
6780
6781 2005-02-08  Paolo Bonzini  <bonzini@gnu.org>
6782
6783         PR preprocessor/19801
6784         * doc/cppinternals.texi (Conventions, Lexer, Files): Adjust
6785         filenames that changed when libcpp was moved to the toplevel.
6786
6787 2005-02-07  Roger Sayle  <roger@eyesopen.com>
6788
6789         * simplify-rtx.c (simplify_relational_operation_1): Avoid creating
6790         zero extensions of BImode operands.  Call lowpart_subreg instead
6791         of gen_lowpart_common and gen_lowpart_SUBREG.
6792
6793 2005-02-07  Nathanael Nerode  <neroden@gcc.gnu.org>
6794
6795         PR ada/19489
6796         * libada-mk.in: Use cc_for_cross_gnattools, not cc_set_by_configure.
6797         * configure.ac: Set cc_for_cross_gnattools.
6798         * configure: Regenerate.
6799
6800 2005-02-08  Alan Modra  <amodra@bigpond.net.au>
6801
6802         PR target/19803
6803         * predict.c (PROB_VERY_UNLIKELY): Use 1% instead of 10%.
6804
6805 2005-02-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
6806
6807         PR debug/19327
6808         * dbxout.c (dbxout_symbol) <FUNCTION_DECL>: Skip inline instance
6809         of nested functions.
6810
6811 2005-02-07  Jonathan Wakely  <redi@gcc.gnu.org>
6812
6813         * doc/extend.texi: Document deprecated extensions allowing
6814         static floating-point members to have initializers and allowing
6815         floating-point literals in integral constant expressions.
6816
6817 2005-02-07  Kazu Hirata  <kazu@cs.umass.edu>
6818
6819         * cfgcleanup.c, df.h, diagnostic.c, rtl.c, tree-vectorizer.h,
6820         config/darwin7.h, config/mips/mips.c,
6821         config/rs6000/altivec.md, config/rs6000/darwin-tramp.asm:
6822         Update copyright.
6823
6824         * cse.c: Update comments.
6825
6826 2005-02-07  Richard Guenther  <rguenth@gcc.gnu.org>
6827
6828         PR middle-end/19775
6829         * builtins.c (fold_builtin_sqrt): Transform
6830         sqrt(pow(x,y)) to pow(fabs(x),y*0.5), not
6831         pow(x,y*0.5).
6832
6833 2005-02-07  Leehod Baruch  <leehod@il.ibm.com>
6834             Dorit Naishlos  <dorit@il.ibm.com>
6835
6836         * doc/invoke.texi (ftree-vectorizer-verbose): New.
6837         * opts.c (OPT_ftree_vectorizer_verbose_): New case for switch.
6838         * common.opt (ftree-vectorizer-verbose): New Flag for the vectorizer
6839         was added.
6840         * tree.h (vect_set_verbosity_level): New extern function declaration
6841         added.
6842         * tree-vectorizer.h (verbosity_levels): New enum type.
6843         * tree-vectorizer.c (vect_debug_stats): Function removed.
6844         (vect_debug_details): Likewise.
6845         (vect_verbosity_level): Global variable was defined and initialized.
6846         (vect_dump): Global variable definition.
6847         (vect_print_dump_info): New function.
6848         (vect_set_dump_settings): New function.
6849         (vect_set_verbosity_level): New function.
6850         (vectorize_loops): Add call to vect_set_dump_settings.
6851
6852         (slpeel_make_loop_iterate_ntimes): Dump condition was changed.
6853         (slpeel_tree_duplicate_loop_to_edge_cfg): Likewise.
6854         (slpeel_tree_peel_loop_to_edge): Likewise.
6855
6856         (vect_analyze_offset_expr): Call to vect_print_dump_info with
6857         appropriate verbosity level instead of call to vect_debug_details
6858         or vect_debug_stats.
6859         (vect_get_base_and_offset):
6860         (vect_create_addr_base_for_vector_ref):
6861         (get_vectype_for_scalar_type):
6862         (vect_create_data_ref_ptr):
6863         (vect_init_vector):
6864         (vect_get_vec_def_for_operand):
6865         (vect_finish_stmt_generation):
6866         (vectorizable_assignment):
6867         (vectorizable_operation):
6868         (vectorizable_store):
6869         (vectorizable_load):
6870         (vect_transform_stmt):
6871         (vect_update_ivs_after_vectorizer):
6872         (vect_do_peeling_for_loop_bound):
6873         (vect_update_inits_of_drs):
6874         (vect_do_peeling_for_alignment):
6875         (vect_transform_loop):
6876         (vect_is_simple_use):
6877         (vect_analyze_operations):
6878         (vect_is_simple_iv_evolution):
6879         (vect_analyze_scalar_cycles):
6880         (vect_analyze_data_ref_dependence):
6881         (vect_analyze_data_ref_dependences):
6882         (vect_compute_data_ref_alignment):
6883         (vect_enhance_data_refs_alignment):
6884         (vect_analyze_data_refs_alignment):
6885         (vect_analyze_data_ref_access):
6886         (vect_analyze_data_ref_accesses):
6887         (vect_analyze_pointer_ref_access):
6888         (vect_get_memtag_and_dr):
6889         (vect_analyze_data_refs):
6890         (vect_mark_relevant):
6891         (vect_stmt_relevant_p):
6892         (vect_mark_stmts_to_be_vectorized):
6893         (vect_can_advance_ivs_p):
6894         (vect_get_loop_niters):
6895         (vect_analyze_loop_form):
6896         (vect_analyze_loop):
6897         (vectorize_loops): Likewise.
6898
6899         (vect_do_peeling_for_loop_bound): Dump format slightly changed.
6900         (vect_update_inits_of_drs):
6901         (vect_do_peeling_for_alignment):
6902         (vect_transform_loop):
6903         (vect_analyze_operations):
6904         (vect_analyze_scalar_cycles):
6905         (vect_analyze_data_ref_dependences):
6906         (vect_analyze_data_refs_alignment):
6907         (vect_analyze_data_ref_accesses):
6908         (vect_analyze_data_refs):
6909         (vect_mark_stmts_to_be_vectorized):
6910         (vect_get_loop_niters):
6911         (vect_analyze_loop_form):
6912         (vect_analyze_loop): Likewise.
6913         (vect_mark_stmts_to_be_vectorized): Add call to print_generic_expr.
6914
6915 2005-02-07  Richard Sandiford  <rsandifo@redhat.com>
6916
6917         PR bootstrap/19796
6918         Revert:
6919         2005-01-26  Richard Sandiford  <rsandifo@redhat.com>
6920         * config/mips/iris6.h (ENDFILE_SPEC): Don't link in irix-csr.o if
6921         either -ffast-math or -funsafe-math-optimizations is in use.
6922
6923         2005-01-24  Richard Sandiford  <rsandifo@redhat.com>
6924         * config/mips/irix-csr.c: New file.
6925         * config/mips/t-iris6 (irix-csr.o): New rule to build it.
6926         (EXTRA_MULTILIB_PARTS): Add irix-csr.o.
6927         * config/mips/iris6.h (ENDFILE_SPEC): Include it in n32 and n64
6928         executables.
6929
6930 2005-02-07  Alexandre Oliva  <aoliva@redhat.com>
6931
6932         * config/mn10300/linux.h (LIB_SPEC, STARTFILE_SPEC): Remove
6933         redundant, incorrect definitions.
6934
6935         * config/frv/frv.md ("tls_indirect_call"): Turn into libcall-like
6936         expand.
6937         ("*tls_indirect_call"): New, reference hard regs directly.
6938         * config/frv/frv.c (gen_inlined_tls_plt): Adjust.
6939
6940 2005-02-07  Ralf Corsepius  <ralf.corsepius@rtems.org>
6941
6942         * config/arm/rtems-elf.h (SUBTARGET_EXTRA_ASM_SPEC):
6943         Let !-mhard-float !-msoft-float imply -mfpu=softfpa.
6944
6945 2005-02-06  Roger Sayle  <roger@eyesopen.com>
6946
6947         PR rtl-optimization/19800
6948         * simplify_rtx.c (simplify_relational_operation_1): Explicitly
6949         call gen_lowpart_common and gen_lowpart_SUBREG instead of calling
6950         gen_lowpart.
6951
6952 2005-02-07  Ralf Corsepius  <ralf.corsepius@rtems.org>
6953
6954         * config/m68k/t-rtems (MULTILIB_MATCHES): Let m528x match m5200.
6955
6956 2005-02-07  Joseph S. Myers  <joseph@codesourcery.com>
6957
6958         PR other/17135
6959         * doc/invoke.texi: Correct documentation of -freorder-functions.
6960
6961 2005-02-06  Joseph S. Myers  <joseph@codesourcery.com>
6962
6963         PR other/14402
6964         * doc/invoke.texi: Don't mention gccbug.
6965
6966 2005-02-06  Roger Sayle  <roger@eyesopen.com>
6967             Andrew Pinski  <pinskia@physics.uc.edu>
6968             Paolo Bonzini  <paolo.bonzini@lu.unisi.ch>
6969
6970         * simplify-rtx.c (simplify_relational_operation_1): Simplify
6971         (ne:SI (zero_extract:SI FOO (const_int 1) BAR) (const_int 0))
6972         into just (zero_extract:SI FOO (const_int 1) BAR).
6973
6974 2005-02-06  Joseph S. Myers  <joseph@codesourcery.com>
6975
6976         * doc/cpp.texi: Include gcc-common.texi.  Don't define gcctabopt
6977         macro locally.  Don't give last revision date.  Use GCC version
6978         number from gcc-common.texi.
6979         * doc/cppinternals.texi: Include gcc-common.texi.  Don't give last
6980         revision date.  Use GCC version number from gcc-common.texi.
6981         Describe being a library as current state rather than as 3.x
6982         history.
6983         * doc/gcc.texi: Remove last update date.
6984         * doc/gccint.texi: Likewise.  Update copyright dates.
6985         * doc/install.texi: Update copyright dates.
6986
6987 2005-02-06  Joseph S. Myers  <joseph@codesourcery.com>
6988
6989         PR other/7549
6990         * doc/invoke.texi: Mention for each option included in -Wall that
6991         it is included in -Wall.
6992         * doc/gcc.texi: Update copyright and last modification date.
6993
6994 2005-02-06  Zdenek Dvorak  <dvorakz@suse.cz>
6995
6996         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Do not add
6997         unnecessary cast to original induction variable increments.
6998
6999 2005-02-06  Zdenek Dvorak  <dvorakz@suse.cz>
7000
7001         PR tree-optimization/18219
7002         * tree-ssa-loop-ivopts.c (get_computation_at): Produce computations
7003         in distributed form.
7004
7005 2005-02-06  Richard Sandiford  <rsandifo@redhat.com>
7006
7007         * expmed.c (store_bit_field): Make the SUBREG code adjust bitnum.
7008         Set bitpos and offset later in the function.  Do nothing if the
7009         target is a register and if the bitfield lies completely outside
7010         that register.
7011         (extract_bit_field): Make the same SUBREG, bitpos and offset changes
7012         here.  Return an uninitialised register if the source value is stored
7013         in a register and the bitfield lies completely outside that register.
7014
7015 2005-02-06  Steven Bosscher  <stevenb@suse.de>
7016
7017         * df.c (df_insn_refs_record): Use XEXP to get the operand of a USE,
7018         not SET_DEST.
7019
7020 2005-02-06  Marcin Dalecki  <martin@dalecki.de>
7021
7022         * diagnostic.c (default_diagnostic_finalizer): Fix use of attribute.
7023
7024 2005-02-06  Geoffrey Keating  <geoffk@apple.com>
7025
7026         * config.gcc (*-*-darwin*): Separate darwin7 and darwin8 configs.
7027         * config/darwin8.h: New.
7028         * config/darwin7.h: Update comment.
7029
7030 2005-02-03  Leehod Baruch  <leehod@il.ibm.com>
7031             Dorit Naishlos  <dorit@il.ibm.com>
7032
7033         * tree-vectorizer.h (LOC): New type.
7034         (UNKNOWN_LOC, EXPR_LOC, LOC_FILE, LOC_LINE): New macros.
7035         (loop_line_number): New field in struct _loop_vec_info.
7036         (LOOP_VINFO_LOC, LOOP_LOC): New macros.
7037
7038         * tree-vectorizer.c (input.h): Included.
7039         (find_loop_location): New function.
7040         (vect_debug_stats): Argument changed from loop to LOC. Computation of
7041         loop line number removed.
7042         (vect_debug_details): Likewise.
7043         (new_loop_vec_info): Initialize new field LOOP_VINFO_LOC.
7044
7045         (slpeel_make_loop_iterate_ntimes): Call find_loop_location. Argument in
7046         call to vect_debug_details/stats changed from loop to loop_loc.
7047         (slpeel_tree_duplicate_loop_to_edge_cfg): Likewise.
7048         (slpeel_tree_peel_loop_to_edge): Likewise.
7049
7050         (vect_analyze_offset_expr): Argument in call to vect_debug_details/stats
7051         changed from NULL to UNKNOWN_LOC.
7052         (vect_get_base_and_offset):
7053         (vect_create_addr_base_for_vector_ref):
7054         (get_vectype_for_scalar_type):
7055         (vect_create_data_ref_ptr):
7056         (vect_init_vector):
7057         (vect_get_vec_def_for_operand):
7058         (vect_finish_stmt_generation):
7059         (vectorizable_assignment):
7060         (vectorizable_operation):
7061         (vectorizable_store):
7062         (vectorizable_load):
7063         (vect_transform_stmt):
7064         (vect_update_ivs_after_vectorizer):
7065         (vect_do_peeling_for_loop_bound):
7066         (vect_do_peeling_for_alignment):
7067         (vect_transform_loop):
7068         (vect_is_simple_use):
7069         (vect_analyze_operations):
7070         (vect_is_simple_iv_evolution):
7071         (vect_analyze_scalar_cycles):
7072         (vect_analyze_data_ref_dependences):
7073         (vect_compute_data_ref_alignment):
7074         (vect_enhance_data_refs_alignment):
7075         (vect_analyze_data_ref_access):
7076         (vect_analyze_data_ref_accesses):
7077         (vect_analyze_pointer_ref_access):
7078         (vect_get_memtag_and_dr):
7079         (vect_analyze_data_refs):
7080         (vect_mark_relevant):
7081         (vect_stmt_relevant_p):
7082         (vect_mark_stmts_to_be_vectorized):
7083         (vect_can_advance_ivs_p):
7084         (vect_get_loop_niters):
7085         (vect_analyze_loop):
7086         (vectorize_loops): Likewise.
7087
7088         (vectorizable_load): Argument in call to vect_debug_details/stats
7089         changed from loop to LOOP_LOC (loop_vinfo).
7090         (vect_transform_loop):
7091         (vect_analyze_operations):
7092         (vect_analyze_scalar_cycles):
7093         (vect_analyze_data_ref_dependence):
7094         (vect_enhance_data_refs_alignment):
7095         (vect_analyze_data_ref_accesses):
7096         (vect_analyze_pointer_ref_access):
7097         (vect_analyze_data_refs):
7098         (vect_analyze_loop): Likewise.
7099
7100         (vect_analyze_loop_form): Argument in call to vect_debug_details/stats
7101         changed from loop to loop_loc.
7102
7103         (vect_enhance_data_refs_alignment): Removed unused variable loop.
7104
7105 2005-02-03  Leehod Baruch  <leehod@il.ibm.com>
7106             Dorit Naishlos  <dorit@il.ibm.com>
7107
7108         * tree-vectorizer.c (vect_analyze_data_ref_dependence): Function
7109         declaration added.
7110         (vect_analyze_data_ref_dependences): Likewise.
7111
7112         (vect_is_simple_use): Argument changed from loop structure to
7113         loop_vect_info structure.
7114         (vect_can_advance_ivs_p): Likewise.
7115         (vect_create_index_for_vector_ref): Likewise.
7116         (vect_update_ivs_after_vectorizer): Likewise.
7117         (new_stmt_vec_info): Likewise.
7118
7119         (new_loop_vec_info): Second argument in call to new_stmt_vec_info was
7120         changed from loop to loop_vinfo.
7121         (vect_create_data_ref_ptr): First argument in call to
7122         vect_create_index_for_vector_ref was changed from loop to loop_vinfo.
7123         (vectorizable_assignment): Second argument in call to vect_is_simple_use
7124         was changed from loop to loop_vinfo.
7125         (vectorizable_operation): Likewise.
7126         (vectorizable_store): Likewise.
7127         (vect_mark_stmts_to_be_vectorized): Likewise.
7128         (vect_do_peeling_for_loop_bound): First argument in call to
7129         vect_update_ivs_after_vectorizer was changed from loop to loop_vinfo.
7130         (vect_analyze_operations): Argument in call to vect_can_advance_ivs_p
7131         was changed from loop to loop_vinfo.
7132         (vect_analyze_data_ref_dependences): Third argument in call to
7133         vect_analyze_data_ref_dependence was changed from loop to loop_vinfo.
7134
7135         (vect_create_index_for_vector_ref): Get the loop from loop_vinfo.
7136         (vect_create_data_ref_ptr): Likewise.
7137         (vect_init_vector): Likewise.
7138         (vect_get_vec_def_for_operand): Likewise.
7139         (vectorizable_assignment): Likewise.
7140         (vectorizable_operation): Likewise.
7141         (vectorizable_store): Likewise.
7142         (vectorizable_load): Likewise.
7143         (vect_update_ivs_after_vectorizer): Likewise.
7144         (vect_is_simple_use): Likewise.
7145         (vect_analyze_data_ref_dependence): Likewise.
7146         (vect_analyze_pointer_ref_access): Likewise.
7147         (vect_can_advance_ivs_p): Likewise.
7148
7149         * tree-vectorizer.h: (_loop_vec_info): Definition and macros moved
7150         before _stmt_vec_info.
7151         (_stmt_vec_info): Loop field replaced by loop_vec_info.
7152         (STMT_VINFO_LOOP): Replaced with STMT_VINFO_LOOP_VINFO.
7153         (new_stmt_vec_info): Argument changed from loop structure to
7154         loop_vect_info structure
7155
7156         (vect_analyze_data_ref_dependences): Unnecessary line was removed.
7157         (vect_analyze_offset_expr): Avoid 80 columns overflow.
7158         (vect_create_addr_base_for_vector_ref): Likewise.
7159         (vect_analyze_pointer_ref_access): Likewise.
7160
7161 2005-02-03  Andrew Pinski  <pinskia@physics.uc.edu>
7162
7163         PR tree-opt/19768
7164         * tree-ssa-dse.c (fix_phi_uses): Update the occurs in abnormal
7165         phi flag if the phi is abnormal.
7166
7167 2005-02-03  Andrew Pinski  <pinskia@physics.uc.edu>
7168
7169         PR tree-opt/19736
7170         * tree-ssa.c (replace_immediate_uses): Update the immediate_uses
7171         information for the new statement.
7172
7173 2005-02-03  Joseph S. Myers  <joseph@codesourcery.com>
7174
7175         PR driver/19117
7176         * gcc.c (main): Include the target in -v output.
7177
7178 2005-02-03  Alexandre Oliva  <aoliva@redhat.com>
7179
7180         * combine.c (simplify_comparison, case SIGN_EXTEND, ZERO_EXTEND):
7181         Do not drop the extend if we'd have to add a paradoxical subreg
7182         later.  Include optabs.h and insn-codes.h.
7183         * Makefile.in (combine.o): Depend on $(OPTABS_H).
7184
7185 2005-02-02  Roger Sayle  <roger@eyesopen.com>
7186
7187         PR middle-end/19405
7188         * real.h (REAL_MODE_FORMAT_COMPOSITE_P): New macro.
7189         * fold-const.c (const_binop): Avoid constant folding floating
7190         point operations in modes that use composite representations.
7191         * simplify-rtx.c (simplify_binary_operation): Likewise.
7192
7193 2005-02-02  Geoffrey Keating  <geoffk@apple.com>
7194
7195         * config/rs6000/altivec.md (altivec_dst): Make the first operand
7196         a REG, not a MEM.
7197         (altivec_dstt): Likewise.
7198         (altivec_dstst): Likewise.
7199         (altivec_dststt): Likewise.
7200         * config/rs6000/rs6000.c (altivec_expand_dst_builtin): Adjust creation
7201         of first operand.
7202
7203 2005-02-03  Dorit Naishlos  <dorit@il.ibm.com>
7204
7205         * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Copy
7206         EXPR_LOCUS from orig_cond to the new cond_stmt.
7207         (vect_finish_stmt_generation): Copy EXPR_LOCUS from stmt to
7208         the new vec_stmt.
7209
7210 2005-02-03  Dorit Naishlos  <dorit@il.ibm.com>
7211
7212         * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Call
7213         standard_iv_increment_position. Remove call to bsi_next
7214         (no need to bump the iterator anymore).
7215         (vect_create_index_for_vector_ref): Call
7216         standard_iv_increment_position. Remove second function argument.
7217         (vect_finish_stmt_generation): Remove call to bsi_next
7218         (no need to bump the iterator anymore).
7219         (vect_create_data_ref_ptr): Remove second argument (bsi) in call
7220         to vect_create_index_for_vector_ref.
7221
7222 2005-02-03  Dorit Naishlos  <dorit@il.ibm.com>
7223
7224         * tree-vectorizer.c (vect_mark_stmts_to_be_vectorized): Check if
7225         phis are used out of the loop.
7226
7227 2005-02-03  Joseph S. Myers  <joseph@codesourcery.com>
7228
7229         PR c/17807
7230         * c-decl.c (undef_nested_function): New variable.
7231         (pop_scope): Diagnose undefined nested functions.
7232         (finish_function): Don't attempt cgraph processing or genericizing
7233         if current top-level function contained an undefined nested
7234         function.  Reset undef_nested_function at the end of a top-level
7235         function.
7236
7237 2005-02-02  Zdenek Dvorak  <dvorakz@suse.cz>
7238
7239         * tree.c (build_int_cst_type): Take sign of the value into account
7240         when deciding whether sign extend the value.
7241
7242 2005-02-02  Joseph S. Myers  <joseph@codesourcery.com>
7243
7244         PR c/18502
7245         * gcc.c (cpp_unique_options): Remove %{trigraphs}.
7246         (cpp_options, cc1_options): Change %{std*&ansi} to
7247         %{std*&ansi&trigraphs}.
7248
7249 2005-02-02  Kazu Hirata  <kazu@cs.umass.edu>
7250
7251         * cse.c: Update comments.
7252
7253 2005-02-02  Aldy Hernandez  <aldyh@redhat.com>
7254
7255         * config/rs6000/rs6000.c (rs6000_spe_function_arg): Multi-reg
7256         arguments go on the stack.  Do not put complex doubles in odd/even
7257         pairs.
7258
7259 2005-02-02  Steven Bosscher  <stevenb@suse.de>
7260
7261         * doc/invoke.texi: Update the options enabled at -O1, -O2,
7262         and -O3.  Update the documentation for -fgcse-sm, -fgcse-las,
7263         -ftree-pre, and -fthread-jumps.
7264
7265 2005-02-02  Richard Sandiford  <rsandifo@redhat.com>
7266
7267         PR tree-optimization/19578
7268         * tree-flow.h (modified_noreturn_calls): Declare.
7269         (noreturn_call_p): Declare.
7270         * tree-flow-inline.h (noreturn_call_p): New function.
7271         (modify_stmt): Add modified noreturn calls to modified_noreturn_calls.
7272         * tree-cfg.c (modified_noreturn_calls): New variable.
7273         (cleanup_control_flow): Use noreturn_call_p.  Split basic blocks
7274         that contain a mid-block noreturn call.
7275         * tree-ssa.c (delete_tree_ssa): Clear modified_noreturn_calls.
7276
7277 2005-02-02  Kazu Hirata  <kazu@cs.umass.edu>
7278
7279         * df.c (df_def_record_1, df_uses_record): Don't use
7280         DF_FOR_REGALLOC.
7281         * df.h (DF_FOR_REGALLOC): Remove.
7282
7283 2005-02-02  Joseph S. Myers  <joseph@codesourcery.com>
7284
7285         PR c/19435
7286         * c-typeck.c (really_start_incremental_init): Reset
7287         constructor_max_index for arrays of incomplete type.
7288
7289 2005-02-02  Jeff Law  <law@redhat.com>
7290
7291         * gcse.c (struct reg_set): Store the block index where the register
7292         was set rather than the setting insn.
7293         (record_one_set, compute_transp): Corresponding changes.
7294         (pre_insert_copy_insn): Do not call replace_one_set.
7295         (replace_one_set): Remove.
7296
7297 2005-02-02  Joseph S. Myers  <joseph@codesourcery.com>
7298
7299         PR other/15514
7300         * doc/gcov.texi: Fix typo.
7301
7302 2005-02-01  Richard Henderson  <rth@redhat.com
7303
7304         PR target/19680
7305         * config/i386/i386.h (MODES_TIEABLE_P): Use ix86_modes_tieable_p.
7306         * config/i386/i386.c (ix86_hard_regno_mode_ok): Change return
7307         type to bool.
7308         (ix86_tieable_integer_mode_p, ix86_modes_tieable_p): New.
7309         * config/i386/i386-protos.h: Update.
7310
7311 2005-02-01  Steven Bosscher  <stevenb@suse.de>
7312
7313         PR tree-optimization/19217
7314         * tree-cfg.c (verify_expr): Use the data field to see if TP was
7315         seen inside a PHI node.  Do not do the ADDR_EXPR check if it was.
7316         (verify_stmts): Pass (void*)1 as data to verify_expr to signal
7317         that it is walking a PHI node.
7318
7319 2005-02-01  Joseph S. Myers  <joseph@codesourcery.com>
7320
7321         * doc/extend.texi (Nested Functions): Update.
7322
7323 2005-02-01  Richard Henderson  <rth@redhat.com>
7324
7325         PR 19696
7326         * optabs.c (expand_copysign_absneg): Export.
7327         * optabs.h (expand_copysign_absneg): Declare.
7328         * config/rs6000/rs6000.md (copysigntf3): New.
7329
7330 2005-02-01  Diego Novillo  <dnovillo@redhat.com>
7331
7332         PR tree-optimization/19633
7333         * tree-flow.h (struct ptr_info_def): Add field 'pt_null'.
7334         * tree-ssa-alias.c (init_alias_info): Initialize.
7335         (merge_pointed_to_info): Set.
7336         (add_pointed_to_expr): Set pt_null if EXPR is a NULL pointer.
7337         (dump_points_to_info_for): Show value of pt_null.
7338         (struct count_ptr_d): Declare.
7339         (find_ptr_dereference): Remove.
7340         (ptr_is_dereferenced_by): Remove.
7341         (count_ptr_derefs): New local function.
7342         (count_uses_and_derefs): New local function.
7343         (compute_points_to_and_addr_escape): Call it.  If the number
7344         of dereferences is greater than zero, mark the pointer as
7345         dereferenced.  If there are fewer dereferences than uses of
7346         the pointer, the pointer's value escapes.
7347
7348 2005-02-01  Diego Novillo  <dnovillo@redhat.com>
7349
7350         PR tree-optimization/19670
7351         * tree-ssa.c (verify_ssa_name): Don't set TREE_VISITED
7352         here...
7353         (verify_use): ... set it here, instead.
7354
7355 2005-02-01  Janis Johnson  <janis187@us.ibm.com>
7356
7357         * doc/sourcebuild.texi (Test directives): Fix formatting.
7358
7359         * doc/sourcebuild.texi (Test directives): Describe selector
7360         expressions.
7361
7362 2005-02-01  Segher Boessenkool  <segher@kernel.crashing.org>
7363
7364         * config.gcc (powerpc64-*-linux*): Default to -m64 also for
7365         specific 64-bit CPUs.
7366
7367 2005-02-01  Richard Earnshaw  <rearnsha@arm.com>
7368
7369         PR target/16201
7370         * arm.c (arm_eliminable_register): New function.
7371         (adjacent_mem_locations): Don't allow eliminable registers.  Use
7372         HOST_WIDE_INT for address offsets.
7373         * arm-protos.h (arm_eliminable_register): Add prototype.
7374
7375 2005-02-01  Steven Bosscher  <stevenb@suse.de>
7376
7377         PR optimization/15242
7378         * params.def (PARAM_MAX_GOTO_DUPLICATION_INSNS): New param.
7379         * basic-block.h (duplicate_computed_gotos): Add prototype.
7380         * bb-reorder.c (duplicate_computed_gotos): New function to
7381         duplicate sufficiently small blocks ending in a computed jump.
7382         * passes.c (rest_of_compilation): Call duplicate_computed_gotos
7383         if not optimizing for size.
7384         * cfgcleanup.c (try_crossjump_bb): If not optimizing for size,
7385         never do tail merging for blocks ending in a computed jump.
7386         * doc/invoke.texi: Document the max-goto-duplication-insns param.
7387
7388 2005-02-01  Eric Botcazou  <ebotcazou@libertysurf.fr>
7389
7390         Patch from Richard Sandiford <rsandifo@redhat.com>
7391         * reload1.c (choose_reload_regs): Prevent the find_equiv_reg() code
7392         from inheriting a subreg equivalence with a non-spill register.
7393
7394         * tree.h (DECL_FUNCTION_CODE): Document that it is overloaded.
7395
7396 2005-02-01  Alexandre Oliva  <aoliva@redhat.com>
7397
7398         * config/frv/frv.c (movcc_fp_destination_operand): New.
7399         (gpr_or_memory_operand): Fix typo in comment.
7400         (gpr_or_memory_operand_with_scratch): New.
7401         * config/frv/frv.h (PREDICATE_CODES): Add the two new predicates.
7402         * config/frv/frv.md (movcc_fp, movcc_fp_internal): Use
7403         movcc_fp_destination_operand.
7404         (reload_incc_fp): Use gpr_or_memory_operand_with_scratch.
7405         Legitimize memory addresses using a scratch register.
7406
7407 2005-01-31  Jeff Law  <law@redhat.com>
7408
7409         * tree-into-ssa.c (mark_def_sites_global_data): Make KILLS
7410         bitmap a sparse bitmap instead of a simple bitmap.
7411         (mark_def_sites_initialize_block):  Corresponding changes.
7412         (ssa_mark_def_sites_initialize_block): Likewise.
7413         (ssa_mark_phi_uses): Likewise.
7414         (mark_def_site, ssa_mark_def_sites): Likewise.
7415         (mark_def_site_blocks): Likewise.
7416         (rewrite_ssa_into_ssa): Likewise.
7417
7418         * tree-ssa-dom.c (record_cond): Pass correct variable type
7419         for last argument to htab_find_slot_with_hash.
7420
7421         * fold-const.c (fold, case CEIL_MOD_EXPR): Do not lose side
7422         effects when optimizing 0 % X.  Do not try to optimize X % 0.
7423
7424 2005-01-31  James E. Wilson  <wilson@specifixinc.com>
7425
7426         * config/ia64/itanium1.md (1_scall bypass): Change 2_mmalua to
7427         1_mmalua.
7428
7429 2005-02-01  Eric Christopher  <echristo@redhat.com>
7430
7431         * config/mips/mips.c (override_options): Warn if -mint64
7432         is used.
7433         * doc/invoke.texi (MIPS Options): Document that -mint64 is
7434         deprecated.
7435
7436 2005-02-01  Kazu Hirata  <kazu@cs.umass.edu>
7437
7438         * cse.c (cse_reg_info): Remove hash_next, next, regno.  Add
7439         timestamp.
7440         (cse_reg_info_list, cse_reg_info_list_free, REGHASH_SHIFT,
7441         REGHASH_SIZE, REGHASH_MASK, reg_hash, REGHASH_FN,
7442         cached_cse_reg_info, GET_CSE_REG_INFO): Remove.
7443         (cached_regno): Initialize to INVALID_REGNUM.
7444         (cse_reg_info_table_size,
7445         cse_reg_info_table_first_uninitialized,
7446         cse_reg_info_timestamp): New.
7447         (REG_TICK, REG_IN_TABLE, SUBREG_TICKED, REG_QTY): Use
7448         get_cse_reg_info.
7449         (init_cse_reg_info, get_cse_reg_info_1): New.
7450         (get_cse_reg_info): Cache the last look-up.
7451         (new_basic_block): Update the code to clear mappings from
7452         registers to cse_reg_info entries.
7453         (cse_main): Call init_cse_reg_info.
7454
7455         * cse.c (get_cse_reg_info): Update a comment.
7456
7457 2005-01-31  Steven Bosscher  <stevenb@suse.de>
7458
7459         PR c/19333
7460         * c-decl.c (start_decl): Do not warn about arrays of elements with
7461         an incomplete type here.
7462         (grokdeclarator): Do it here by making a pedwarn an error.
7463         * c-typeck.c (push_init_level): If there were previous errors with
7464         the constructor type, do not warn about braces for initializers.
7465         (process_init_element): Likewise for excess initializer elements.
7466
7467 2005-01-31  Kazu Hirata  <kazu@cs.umass.edu>
7468
7469         * cse.c (delete_trivially_dead_insn): Don't iterate.
7470
7471 2005-01-31  Andrew Pinski  <pinskia@physics.uc.edu>
7472
7473         * config/rs6000/rs6000.md (copysignsf3): New expand.
7474         (copysigndf3): Likewise.
7475
7476 2005-01-31  Steven Bosscher  <stevenb@suse.de>
7477
7478         * recog.c (constrain_operands): Only look for earlyclobber operand
7479         conflicts if an '&' constraint was seen.
7480
7481 2005-01-31  Marc Espie <espie@openbsd.org>
7482
7483         * config.gcc: Don't include embedded systems fragment, switches default
7484         debugging format to ELF.
7485         * config/i386/openbsdelf.h: Add DBX_REGISTER_NUMBER since we no
7486         longer pick it up there.
7487
7488 2005-01-31  Dale Johannesen  <dalej@apple.com>
7489
7490         * doc/extend.texi (nested functions): Fix linkage description.
7491         Clarify that static is not allowed.
7492
7493 2005-01-31  Dale Johannesen  <dalej@apple.com>
7494
7495         * config/rs6000/darwin.md (movsf_low_di):  Make work.
7496         (movdf_low_di):  Make work.
7497
7498 2005-01-31  Dale Johannesen  <dalej@apple.com>
7499
7500         * config/rs6000/darwin-tramp.asm (__trampoline_setup):
7501         Make work for 64 bit.
7502
7503 2005-01-31  Roger Sayle  <roger@eyesopen.com>
7504             Dale Johannesen  <dalej@apple.com>
7505
7506         PR middle-end/19650
7507         * fold-const.c (fold_binary_op_with_conditional_arg):
7508         Make types match original operands, before STRIP_NOPS.
7509
7510 2005-01-31  Alan Modra  <amodra@bigpond.net.au>
7511
7512         * config/rs6000/linux-unwind.h (struct gcc_vregs): New.
7513         (struct gcc_regs): Rename from gcc_pt_regs.  Add more regs.
7514         (struct gcc_sigcontext): Delete.  Merge contents to..
7515         (struct gcc_ucontext): ..here.
7516         (get_sigcontext): Delete.
7517         (get_regs): New function, like get_sigcontext but return regs ptr.
7518         64-bit version finds regs from r1 to support vdso.
7519         (ppc_linux_aux_vector): New function.
7520         (ppc_fallback_frame_state): Modify for get_regs.  Restore fprs
7521         and vector regs.
7522
7523 2005-01-31  Ira Rosen  <irar@il.ibm.com>
7524
7525         * tree-vectorizer.c (vect_analyze_offset_expr): Use ssizetype instead
7526         sizetype.
7527         (vect_get_base_and_offset): Use ssizetype instead sizetype. Remove
7528         redundant fold. Fix misalignment for MINUS_EXPR.
7529         (vect_compute_data_ref_alignment): Use ssizetype instead sizetype.
7530         (vect_analyze_pointer_ref_access): Likewise.
7531         (vect_get_memtag_and_dr): Likewise.
7532
7533 2005-01-31  Richard Henderson  <rth@redhat.com>
7534
7535         * config/i386/i386.c (absnegsf2_mixed): Remove all of the # hackery.
7536         (absnegsf2_sse, absnegsf2_i387, absnegdf2_mixed, absnegdf2_sse,
7537         absnegdf2_i387, absnegxf2_i387): Likewise.
7538
7539 2005-01-31  Richard Henderson  <rth@redhat.com>
7540
7541         PR 19696
7542         * optabs.c (expand_copysign_absneg): New.
7543         (expand_copysign_bit): Split out from ...
7544         (expand_copysign): ... here.  Use expand_copysign_absneg.
7545
7546 2005-01-30  Roger Sayle  <roger@eyesopen.com>
7547
7548         PR middle-end/19697
7549         * config/pa/pa.md (anddi3, iordi3): On HPPA64, disallow an integer
7550         constant as the second operand and a register as the third.
7551
7552 2005-01-31  Danny Smith  <dannysmith@users.sourceforge.net>
7553
7554         PR target/19704
7555         * config/i386/i386.c (ix86_function_ok_for_sibcall):  Also check
7556         that dllimport'd functions do not use all call-clobbered registers
7557         to pass parameters.
7558
7559 2005-01-30  Richard Henderson  <rth@redhat.com>
7560
7561         PR 19696
7562         * optabs.c (expand_absneg_bit): Split out from expand_unop and
7563         expand_abs_nojump and generalize.  Use operand_subword and
7564         emit_no_conflict_block.  Support large modes.
7565         (expand_abs_nojump): Use it.  Use HONOR_SIGNED_ZEROS to fall
7566         back to maximum.
7567         (expand_unop): Likewise.  Use HONOR_SIGNED_ZEROS to fall back
7568         negation to subtraction.
7569         (expand_copysign): Check that the format has signed zeros.
7570         Use operand_subword and emit_no_conflict_block.  Support large modes.
7571
7572 2005-01-30  Daniel Berlin  <dberlin@dberlin.org>
7573
7574         Fix PR tree-optimization/19624
7575
7576         * Makefile.in (tree-ssa-pre.o): Add CFGLOOP_H.
7577         * tree-ssa-pre.c: Add cfgloop.h.
7578         Update comment.
7579         (pre_stats): New member, constified.
7580         (inserted_exprs): New static variable.
7581         (NECESSARY): New macro.
7582         (create_expression_by_pieces): Fold the expression, and
7583         mark it as defaulting to not necessary. Also put in
7584         inserted_exprs.
7585         (fully_constant_expression): New function.
7586         (insert_into_preds_of_block): Modify to not insert phis when we
7587         are playing with induction variables.
7588         Push phis onto the inserted_exprs vector, and mark them as not
7589         necessary by default.
7590         (insert_aux): Call fully_constant_expression on eprime.
7591         If all edges produce the same value, mark it constant.
7592         (mark_operand_necessary): New function.
7593         (remove_dead_inserted_code): New function.
7594         (init_pre): Init loop optimizer to get loop info.
7595         (fini_pre): Free loop_optimizer, and inserted_exprs vec.
7596         (execute_pre): Commit edge inserts, then remove dead code.
7597
7598 2005-01-30  Richard Henderson  <rth@redhat.com>
7599
7600         * rtl.c (rtx_equal_p): No early exit for CONST_VECTOR.
7601         * varasm.c (const_rtx_hash_1): Handle CONST_VECTOR.
7602
7603 2005-01-30  Richard Henderson  <rth@redhat.com>
7604
7605         PR target/19700
7606         * config/i386/i386.c (ix86_expand_copysign): New.
7607         (ix86_split_copysign_const): New.
7608         (ix86_split_copysign_var): Rename from ix86_split_copysign,
7609         rearrange op1/nmask operands.
7610         * config/i386/i386-protos.h: Update.
7611         * config/i386/i386.md (copysignsf3): Use ix86_expand_copysign.
7612         (copysigndf3): Likewise.
7613         (copysignsf3_const, copysigndf3_const): New.
7614         (copysignsf3_var): Rename from copysignsf3, split out splitter
7615         and fix split predicate for X constraint.
7616         (copysigndf3_var): Similarly.
7617
7618 2005-01-30  Kazu Hirata  <kazu@cs.umass.edu>
7619
7620         * optabs.c, doc/c-tree.texi, doc/install.texi, doc/md.texi,
7621         doc/passes.texi, doc/rtl.texi, doc/sourcebuild.texi,
7622         doc/tm.texi, doc/tree-ssa.texi: Update copyright.
7623
7624 2005-01-29  Richard Henderson  <rth@redhat.com>
7625
7626         PR target/19690
7627         * config/i386/i386.md (movdf_nointeger, movdf_integer): Fix ordering
7628         of # and * in constraints.
7629
7630 2005-01-29  Richard Henderson  <rth@redhat.com>
7631
7632         PR middle-end/19689
7633         * expr.c (store_field): Don't strip sub-mode cast when the input
7634         data is even smaller.
7635
7636 2005-01-29  Richard Henderson  <rth@redhat.com>
7637
7638         PR middle-end/19687
7639         * expr.c (categorize_ctor_elements_1): Check for CONSTRUCTOR of a
7640         union being empty.
7641
7642 2005-01-29  Richard Henderson  <rth@redhat.com>
7643
7644         * combine.c (make_field_assignment): Fix argument order
7645         to gen_int_mode.
7646
7647 2005-01-29  Richard Guenther <richard.guenther@uni-tuebingen.de>
7648
7649         PR tree-optimization/15791
7650         * fold-const.c (extract_array_ref): New function.
7651         (fold): Fold comparisons between &a[i] and &a[j] or
7652         semantically equivalent trees.
7653
7654 2005-01-29  Jeff Law  <law@redhat.com>
7655
7656         * gcse.c (insert_expr_in_table): Revamp handling of available
7657         and anticipatable occurrence lists to avoid unnecessary list
7658         walking.
7659         (insert_set_in_table): Similarly.
7660
7661 2005-01-29  Joseph S. Myers  <joseph@codesourcery.com>
7662
7663         * c-common.c (fix_string_type): Just use c_build_qualified_type to
7664         build string type.
7665         (c_build_qualified_type): Build qualified array types with
7666         TYPE_MAIN_VARIANT pointing to corresponding unqualified type.
7667         * c-decl.c (c_make_fname_decl): Build unqualified array type
7668         before qualified type.
7669         (grokdeclarator): Use TYPE_MAIN_VARIANT of typedef type if element
7670         type is qualified, not just if type itself is.  Don't apply
7671         qualifiers to array type when declarator is processed.  Apply
7672         qualifiers to field type whether or not it is an array type.
7673         Don't handle array types specially for applying qualifiers to
7674         variables.
7675         * c-typeck.c (composite_type): Build unqualified element type and
7676         array type when forming composite of array types.
7677         (common_pointer_type, comptypes, comp_target_types,
7678         type_lists_compatible_p, build_indirect_ref, build_array_ref,
7679         convert_for_assignment): Don't apply TYPE_MAIN_VARIANT to array
7680         types.
7681         (type_lists_compatible_p): Cache TREE_VALUE (args1) and TREE_VALUE
7682         (args2) in variables a1 and a2.
7683
7684 2005-01-29  Kazu Hirata  <kazu@cs.umass.edu>
7685
7686         * cse.c (n_elements_made, max_elements_made): Remove.
7687         (insert): Don't touch n_elements_made.
7688         (cse_main): Don't touch n_elements_made or max_elements_made.
7689
7690 2005-01-28  Stephane Carrez  <stcarrez@nerim.fr>
7691
7692         PR target/15384
7693         * config/m68hc11/t-m68hc11-gas (dp-bit.c): Fix typo causing a
7694         configuration part of dp-bit.c to be lost.
7695
7696 2005-01-28  Roger Sayle  <roger@eyesopen.com>
7697
7698         * expmed.c (expand_mult_highpart_optab): When attempting to use
7699         a non-widening multiplication in a wider mode, the operands need
7700         to be converted (zero or sign extended) to that mode.
7701
7702 2005-01-28  Ian Lance Taylor  <ian@airs.com>
7703
7704         PR middle-end/16558
7705         PR middle-end/19583
7706         * gimple-low.c (block_may_fallthru): TRY_FINALLY_EXPR only falls
7707         through if both operands fall through.
7708
7709 2005-01-28  Kazu Hirata  <kazu@cs.umass.edu>
7710
7711         * cse.c (fold_rtx) <PC>: Don't optimize.
7712
7713 2005-01-28  Jeff Law  <law@redhat.com>
7714
7715         * fold-const.c (fold, case CEIL_MOD_EXPR): Optimize 0 % X.
7716         (case FLOOR_MOD_EXPR, ROUND_MOD_EXPR, TRUNC_MOD_EXPR): Similarly.
7717
7718 2005-01-28  Kazu Hirata  <kazu@cs.umass.edu>
7719
7720         * cse.c (cse_reg_info_free_list, cse_reg_info_used_list,
7721         cse_reg_info_used_list_end): Remove.
7722         (cse_reg_info_list, cse_reg_info_list_free): New.
7723         (get_cse_reg_info): When allocating an instance of
7724         cse_reg_info, add it to the beginning of the cse_reg_info_list
7725         list.  Remove code to maintain cse_reg_info_used_list.
7726         (new_basic_block): Reset the free list to the beginning of
7727         cse_reg_info_list.
7728
7729 2005-01-28  Richard Sandiford  <rsandifo@redhat.com>
7730
7731         * config/frv/frv.c (bdesc_2arg): Remove __MDPACKH.
7732         (frv_init_builtins): Change its prototype to take 4 uhalf arguments.
7733         (frv_expand_mdpackh_builtin): New function.
7734         (frv_expand_builtin): Use it to expand __MDPACKH.
7735         * doc/extend.texi (__MDPACKH): Update documentation.
7736
7737 2005-01-28  Uros Bizjak  <uros@kss-loka.si>
7738
7739         * config/i386/i386.c (ix86_expand_fp_absneg_operator): Use
7740         SSE_FLOAT_MODE_P for use_sse computation.
7741
7742 2005-01-28  Ralf Corsepius  <ralf.corsepius@rtems.org>
7743
7744         PR target/19663
7745         * config/sparc/rtemself.h (LINK_GCC_C_SEQUENCE_SPEC): undefine.
7746
7747 2005-01-27  Richard Henderson  <rth@redhat.com>
7748
7749         * builtins.c (expand_builtin_copysign): New.
7750         (expand_builtin): Call it.
7751         * genopinit.c (optabs): Add copysign_optab.
7752         * optabs.c (init_optabs): Initialize it.
7753         (expand_copysign): New.
7754         * optabs.h (OTI_copysign, copysign_optab): New.
7755         (expand_copysign): Declare.
7756
7757         * config/alpha/alpha.md (UNSPEC_COPYSIGN): New.
7758         (copysignsf3, ncopysignsf3, copysigndf3, ncopysigndf3): New.
7759
7760         * config/i386/i386.c (ix86_build_signbit_mask): Split from ...
7761         (ix86_expand_fp_absneg_operator): ... here.
7762         (ix86_split_copysign): New.
7763         * config/i386/i386-protos.h: Update.
7764         * config/i386/i386.md (UNSPEC_COPYSIGN): New.
7765         (copysignsf3, copysigndf3): New.
7766
7767         * config/ia64/ia64.md (UNSPEC_COPYSIGN): New.
7768         (copysignsf3, ncopysignsf3): New.
7769         (copysigndf3, ncopysigndf3): New.
7770         (copysignxf3, ncopysignxf3): New.
7771         * config/ia64/ia64.c (rtx_needs_barrier): Handle UNSPEC_COPYSIGN.
7772
7773 2005-01-27  Arend Bayer  <arend.bayer@web.de>
7774             Kazu Hirata  <kazu@cs.umass.edu>
7775
7776         * cse.c: (find_best_addr): Don't call copy_rtx before calling
7777         fold_rtx.  Save cost recomputation if fold_rtx did nothing.
7778         (fold_rtx) <ASM_OPERANDS>: Don't do anything if INSN is
7779         NULL_RTX.
7780
7781 2005-01-27  Jeff Law  <law@redhat.com>
7782
7783         * tree-into-ssa.c (ssa_rewrite_initialize_block): Do not register
7784         definitions of SSA_NAMEs which are not being rewritten.
7785         (rewrite_ssa_into_ssa): Only initialize the current definition
7786         of an SSA_NAME if that SSA_NAME has been marked for rewriting.
7787         If checking is enabled, assert that SSA_NAME_AUX is clear for all
7788         SSA_NAMEs before returning.
7789
7790 2005-01-27  Kazu Hirata  <kazu@cs.umass.edu>
7791
7792         * c-common.def, c-dump.c, c-gimplify.c, c-objc-common.c,
7793         cfgexpand.c, dbxout.c, function.h, opts.c, tree-flow-inline.h,
7794         tree-ssa-operands.h, tree-ssa-threadupdate.c, tree-tailcall.c,
7795         config/avr/avr.md, config/cris/aout.h, config/cris/cris.h,
7796         config/mips/iris6.h, config/sh/sh.c: Update copyright.
7797
7798 2005-01-27  Steven Bosscher  <stevenb@suse.de>
7799
7800         PR middle-end/17278
7801         * opts.c (decode_options): Move flag_thread_jumps from -O1 and
7802         higher to -O2 and higher.  Likewise for tree PRE.
7803         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Only iterate at -O2
7804         and better.
7805
7806 2005-01-27  Ian Lance Taylor  <ian@airs.com>
7807
7808         PR middle-end/19583
7809         * gimple-low.c (try_catch_may_fallthru): New static function.
7810         (block_may_fallthru): Handle TRY_CATCH_EXPR.
7811         * tree-inline.c (expand_call_inline): Don't warn about reaching
7812         the end of a non-void function being inlined if the function uses
7813         a return slot.
7814
7815 2005-01-27  Jakub Jelinek  <jakub@redhat.com>
7816
7817         * config/i386/i386.h (CALL_USED_REGISTERS): Fix comment pastos.
7818
7819         PR c/18946
7820         * c-decl.c (warn_if_shadowing): Handle old_decl error_mark_node.
7821         (pushdecl): Only use DECL_FILE_SCOPE_P if DECL_P.
7822         (implicitly_declare): Handle error_mark_node.
7823
7824 2005-01-27  Richard Henderson  <rth@redhat.com>
7825
7826         PR tree-opt/14329
7827         * tree.h (struct tree_decl): Add debug_expr_is_from.
7828         (DECL_DEBUG_EXPR_IS_FROM): New.
7829         (DECL_DEBUG_EXPR): Rename from DECL_DEBUG_ALIAS_OF.
7830         * dwarf2out.c (dwarf2out_var_location): Update to match.
7831         * tree-outof-ssa.c (create_temp): Likewise.
7832         * var-tracking.c (track_expr_p): Likewise.
7833         * tree-sra.c (instantiate_element): Set DECL_DEBUG_EXPR.
7834         * c-objc-common.c (c_tree_printer) <'D'>: Handle DECL_DEBUG_EXPR.
7835         * toplev.c (default_tree_printer): Likewise.
7836
7837 2005-01-27  Alexandre Oliva  <aoliva@redhat.com>
7838
7839         * config/frv/frv.c (frv_class_likely_spilled_p): Add GR8_REGS,
7840         GR9_REGS, GR89_REGS, FDPIC_FPTR_REGS, FDPIC_REGS.
7841
7842 2005-01-27  Steven Bosscher  <stevenb@suse.de>
7843
7844         * tree.h (SWITCH_COND, SWITCH_BODY, SWITCH_LABELS, CASE_LOW,
7845         CASE_HIGH, CASE_LABEL, ASM_STRING, ASM_OUTPUTS, ASM_INPUTS,
7846         ASM_CLOBBERS): Add tree checks.
7847
7848         * c-common.h (SWITCH_TYPE): Rename to SWITCH_STMT_TYPE.
7849         (SWITCH_STMT_COND, SWITCH_STMT_BODY): New.
7850         * c-common.def (SWITCH_STMT): Update to match.
7851         * c-common.c (c_do_switch_warnings): Use SWITCH_STMT accessor
7852         macros instead of SWITCH_EXPR ones.
7853         * c-dump.c (c_dump_tree): Likewise.
7854         * c-gimplify.c (gimplify_switch_stmt): Likewise.
7855         * c-typeck.c (c_start_case, do_case, c_finish_case): Likewise.
7856
7857         * doc/c-tree.texi (SWITCH_STMT): Update accessor macro names.
7858
7859 2005-01-27  Alan Modra  <amodra@bigpond.net.au>
7860
7861         * unwind-dw2.c (execute_stack_op): Add missing cases for
7862         DW_OP_shl, DW_OP_shr, DW_OP_shra, DW_OP_xor.
7863
7864 2005-01-27  Eric Botcazou  <ebotcazou@libertysurf.fr>
7865
7866         * config.gcc (Obsolete configurations): Remove 'dummy', add
7867         sparclite-*-coff*, sparclite-*-elf*, sparc86x-*-elf* and
7868         sparc-*-openbsd*.
7869
7870 2005-01-26  Diego Novillo  <dnovillo@redhat.com>
7871
7872         PR tree-optimization/19633
7873         * tree-ssa-alias.c (ptr_is_dereferenced_by): Also handle
7874         CALL_EXPRs.
7875         (maybe_create_global_var): Do not create .GLOBAL_VAR if there
7876         are no call-clobbered variables.
7877         * tree-outof-ssa.c (check_replaceable): Return false for calls
7878         with side-effects.
7879
7880 2005-01-26  Ulrich Weigand  <uweigand@de.ibm.com>
7881
7882         * dbxout.c (dbxout_symbol_location): Resolve constant pool references
7883         even for variables with NULL DECL_INITIAL.
7884
7885 2005-01-26  Stuart Hastings  <stuart@apple.com>
7886
7887         * gimplify.c (shortcut_cond_expr): Re-compute side-effects.
7888
7889 2005-01-26  Richard Henderson  <rth@redhat.com>
7890
7891         PR middle-end/18008
7892         * c-decl.c (finish_struct): Set DECL_MODE after resetting a
7893         field's type.
7894         * expr.c (store_field): Strip conversions to odd-bit-sized types
7895         if the destination field width matches.
7896
7897 2005-01-26  Richard Henderson  <rth@redhat.com>
7898
7899         * c-decl.c, expmed.c, expr.c: Revert last change.
7900
7901 2005-01-26  Richard Henderson  <rth@redhat.com>
7902
7903         PR middle-end/18008
7904         * c-decl.c (finish_struct): Set DECL_MODE after resetting a
7905         field's type.
7906         * expmed.c (store_fixed_bit_field): Create a paradoxical subreg
7907         if we don't need the bits above those present in the current mode.
7908         * expr.c (store_field): Strip conversions to odd-bit-sized types
7909         if the destination field width matches.
7910
7911 2005-01-26  Richard Sandiford  <rsandifo@redhat.com>
7912
7913         * config/mips/iris6.h (ENDFILE_SPEC): Don't link in irix-csr.o if
7914         either -ffast-math or -funsafe-math-optimizations is in use.
7915
7916 2005-01-26  Marek Michalkiewicz  <marekm@amelek.gda.pl>
7917
7918         PR target/19293
7919         PR target/19329
7920         * config/avr/avr.c (notice_update_cc): Only set condition code for
7921         ashrqi3 if shift count > 0.
7922         (out_shift_with_cnt): Handle shift count <= 0 as a no-op.
7923         (ashlqi3_out, ashlhi3_out, ashlsi3_out, ashrqi3_out, ashrhi3_out,
7924         ashrsi3_out, lshrqi3_out, lshrhi3_out, lshrsi3_out): Handle shift
7925         count <= 0 as a no-op, and shift count >= width by copying zero
7926         or sign bit to all bits of the result.
7927         * config/avr/avr.md (all shifts): Add alternatives for zero shift
7928         count, with attribute "length" set to 0 and "cc" set to "none".
7929
7930 2005-01-26  Aldy Hernandez  <aldyh@redhat.com>
7931
7932         * doc/invoke.texi: Document -mTLS.
7933
7934         * testsuite/gcc.target/frv/all-tls-global-dynamic.c: New.
7935         * testsuite/gcc.target/frv/all-tls-initial-exec.c: New.
7936         * testsuite/gcc.target/frv/all-tls-initial-exec-pic.c: New.
7937         * testsuite/gcc.target/frv/all-tls-local-dynamic.c: New.
7938         * testsuite/gcc.target/frv/all-tls-local-dynamic-plt.c: New.
7939         * testsuite/gcc.target/frv/all-tls-local-dynamic-plt-pic.c: New.
7940         * testsuite/gcc.target/frv/all-tls-local-exec.c: New.
7941         * testsuite/gcc.target/frv/all-tls-local-exec-TLS.c: New.
7942
7943         * configure.ac: Check for a TLS capable gas.
7944
7945         * configure: Regenerate.
7946
7947 2005-01-26  Richard Henderson  <rth@redhat.com>
7948
7949         PR middle-end/18008
7950         * combine.c (make_field_assignment): Simplify store to zero_extract
7951         from a source with an overlapping mask.
7952
7953 2005-01-26  Aldy Hernandez  <aldyh@redhat.com>
7954
7955         2004-11-11  Eric Christopher  <echristo@redhat.com>
7956
7957         * config/frv/frv.md: Add fr400_integer automaton. Don't
7958         allow TYPE_MUL, TYPE_MACC, or TYPE_CUT to issue in parallel
7959         to TYPE_MACC.
7960
7961 2005-01-26  Steven Bosscher  <stevenb@suse.de>
7962
7963         PR middle-end/16585
7964         * cfgbuild.c (make_edges): Do not clear or set
7965         current_function_has_computed_jump.
7966         * function.h (struct function): Remove the has_computed_jump field.
7967         (current_function_has_computed_jump): Do not define.
7968         * sched-rgn.c (is_cfg_nonregular): Return true if a basic block ends
7969         in a computed jump.  Ignore current_function_has_computed_jump.
7970
7971 2005-01-26  Richard Henderson  <rth@redhat.com>
7972
7973         PR middle-end/19515
7974         * expr.c (categorize_ctor_elements): New argument p_must_clear.
7975         (categorize_ctor_elements_1): Likewise.  Detect a union that isn't
7976         fully initialized.
7977         (mostly_zeros_p): Update for new categorize_ctor_elements argument.
7978         * gimplify.c (gimplify_init_constructor): Likewise.  Only shove
7979         objects into static storage if they have more than one non-zero value.
7980         * tree.h (categorize_ctor_elements): Update decl.
7981
7982 2005-01-26  Steven Bosscher  <stevenb@suse.de>
7983
7984         PR middle-end/19616
7985         * tree.h (CALL_EXPR_TAILCALL): Add comment.
7986         * calls.c (check_sibcall_argument_overlap_1): Revert the change
7987         to this function from 2004-07-10.
7988         * tree-tailcall.c (suitable_for_tail_opt_p): Do not consider the
7989         the current function for tail call optimizations if the address
7990         of one of it its arguments is taken.
7991
7992 2005-01-26  Kazu Hirata  <kazu@cs.umass.edu>
7993
7994         * cse.c (fold_rtx): Call equiv_constant only when necessary.
7995
7996 2005-01-26  Bernd Schmidt  <bernd.schmidt@analog.com>
7997
7998         * function.c (expand_function_end): If current_function_calls_alloca,
7999         emit stack restore in a place that is reached when the function falls
8000         through at the end.
8001
8002 2005-01-26  Alexandre Oliva  <aoliva@redhat.com>
8003
8004         * Makefile.in (../$(build_subdir)/fixincludes/fixincl): Add dummy
8005         rule to avoid matching inappropriate suffix rule.
8006
8007 2005-01-26  Jan Hubicka  <jh@suse.cz>
8008
8009         PR tree-optimization/19241
8010         * tree-inline.c (copy_body_r): Do not walk subtrees after substituting.
8011
8012 2005-01-26  Hans-Peter Nilsson  <hp@axis.com>
8013
8014         * config/cris/cris.h (LIB_SPEC) <sim*>: Use -lsyslinux, not
8015         -lsyssim.  Wrap -lc -lsyssim in --start-group --end-group instead
8016         of doubling.
8017         (STARTFILE_SPEC): Add crti.o, before crtbegin.o.
8018         <sim*>: Always use crt1.o, regardless of N in simN.
8019         <!sim>: Drop support for -pg and -p variants; always use crt0.o.
8020         (ENDFILE_SPEC): Add crtn.o, after crtend.o.
8021         (CRT_CALL_STATIC_FUNCTION): Remove.
8022         * config/cris/aout.h (STARTFILE_SPEC): <!melinux && sim*>: Always
8023         use crt1.o, regardless of N in simN.
8024         <!sim>: Drop support for -pg and -p variants; always use crt0.o.
8025         (LIB_SPEC): Do not define; default to the one in config/cris/cris.h.
8026         (CRIS_CPP_SUBTARGET_SPEC) <melinux && !nostdinc>: Remove special
8027         case isystem setting.
8028         (MAX_OFILE_ALIGNMENT): Correct to 32, not 16.
8029
8030 2005-01-25  Ian Lance Taylor  <ian@airs.com>
8031
8032         * gimple-low.c (block_may_fallthru): Correct handling of
8033         SWITCH_EXPR--may fall through if SWITCH_LABELS is NULL.
8034
8035 2005-01-26  Hans-Peter Nilsson  <hp@axis.com>
8036
8037         * config/cris/cris.h (CPP_SPEC): Adjust the various mtune=
8038         handlers to match indentation; nested under the mtune=* handler.
8039         Similar for mcpu= and march=.
8040
8041 2005-01-25  Daniel Jacobowitz  <dan@codesourcery.com>
8042
8043         * config/mips/linux.h (LIB_SPEC): Remove -rpath-link.
8044         * config/mips/linux64.h (LIB_SPEC): Likewise.
8045         * config/mn10300/linux.h (LIB_SPEC): Likewise.
8046         * config/sh/linux.h (LIB_SPEC): Likewise.
8047
8048 2005-01-25  Aldy Hernandez  <aldyh@redhat.com>
8049
8050         * config/frv/frv.c (frv_legitimize_tls_address): New.
8051         (TARGET_HAVE_TLS): Define.
8052         (FRV_SYMBOL_REF_TLS_P): Define.
8053         (frv_override_options): Handle new register classes.
8054         (frv_legitimate_address_p): Reject tls addresses.
8055         (frv_legitimize_address): Handle TLS addresses.
8056         (gen_inlined_tls_plt): New.
8057         (gen_tlsmoff): New.
8058         (frv_legitimize_tls_address): New.
8059         (unspec_got_name): Add TLS entries.
8060         (got12_operand): Add R_FRV_TLSMOFF12 case.
8061         (frv_emit_move): Fixup TLS addresses.
8062         (frv_emit_movsi): Legitimize TLS addresses.
8063
8064         * config/frv/frv.h (MASK_BIG_TLS): New.
8065         (TARGET_BIG_TLS): New.
8066         (HAVE_AS_TLS): Define.
8067         (TARGET_SWITCHES): Add -mTLS and -mtls options.
8068         (enum reg_class): Add GR8_REGS, GR9_REGS, GR89_REGS.
8069         (REG_CLASS_NAMES): Same.
8070         (REG_CLASS_CONTENTS): Same.
8071         (CONSTRAINT_LEN): New.
8072         (REG_CLASS_FROM_CONSTRAINT): New.
8073         (PREDICATE_CODES): Add symbolic_operand.
8074
8075         * config/frv/frv.md (define_constants): Add UNSPEC_GETTLSOFF,
8076         UNSPEC_TLS_LOAD_GOTTLSOFF12, UNSPEC_TLS_INDIRECT_CALL,
8077         UNSPEC_TLS_TLSDESC_LDD, UNSPEC_TLS_TLSDESC_LDD_AUX,
8078         UNSPEC_TLS_TLSOFF_LD, UNSPEC_TLS_LDDI, UNSPEC_TLSOFF_HILO,
8079         R_FRV_GOTTLSOFF_HI, R_FRV_GOTTLSOFF_LO, R_FRV_TLSMOFFHI,
8080         R_FRV_TLSMOFFLO, R_FRV_TLSMOFF12, R_FRV_TLSDESCHI,
8081         R_FRV_TLSDESCLO, R_FRV_GOTTLSDESCHI, R_FRV_GOTTLSDESCLO, GR8_REG,
8082         GR9_REG, GR14_REG, LRREG.
8083         (type): Add load_or_call attribute.
8084         ("load_or_call"): New reservation.
8085         ("call_gettlsoff"): New.
8086         ("tls_indirect_call"): New.
8087         ("tls_load_gottlsoff12"): New.
8088         ("tlsoff_hilo"): New.
8089         ("tls_tlsdesc_ldd"): New.
8090         ("tls_tlsoff_ld"): New.
8091         ("tls_lddi"): New.
8092
8093         * config/frv/frv-protos.h (symbolic_operand): Protoize.
8094
8095         2005-01-25  Alexandre Oliva  <aoliva@redhat.com>
8096
8097         * config/frv/frv.h (ASM_OUTPUT_DWARF_DTPREL): Define.
8098         * config/frv/frv-protos.h (frv_output_dwarf_dtprel): Declare.
8099         * config/frv/frv.c (TLS_BIAS): Define.
8100         (frv_output_dwarf_dtprel): New.
8101
8102 2005-01-26  Jakub Jelinek  <jakub@redhat.com>
8103
8104         PR rtl-optimization/19579
8105         * ifcvt.c (noce_try_cmove_arith): If emitting instructions to set up
8106         both A and B, see if they don't clobber registers the other expr uses.
8107
8108 2005-01-25  J"orn Rennecke <joern.rennecke@st.com>
8109
8110         * real.c (do_add): Initialize signalling and canonical members.
8111
8112         * real.c (real_from_integer): Zero out destination.
8113
8114 2005-01-18  Jan Hubicka  <jh@suse.cz>
8115
8116         PR tree-optimize/19337
8117         * tree-inline.c (initialize_inlined_parameters): Copy
8118         saved_static_chain_decl only.
8119
8120 2005-01-25  Richard Henderson  <rth@redhat.com>
8121
8122         PR target/19556
8123         PR target/19584
8124         * config/i386/i386.c (x86_inter_unit_moves): Zero.
8125         (ix86_preferred_reload_class): Rewrite fp-constant section, with
8126         80387 enabled, to return a proper subclass.  Return the subset that
8127         overlaps with GENERAL_REGS for PLUS.
8128         * config/i386/i386.md (movsi_1, movdi_2): Set type to "mmx" for pxor.
8129
8130 2005-01-25  Richard Henderson  <rth@redhat.com>
8131
8132         PR middle-end/19609
8133         * tree-complex.c (expand_complex_div_wide): Use the correct formulae.
8134
8135 2005-01-25  Roger Sayle  <roger@eyesopen.com>
8136
8137         * expmed.c (choose_multiplier): Change interface to return the
8138         multiplier lowpart as an rtx instead of an unsigned HOST_WIDE_INT.
8139         (expand_divmod): Update calls to choose_multiplier.
8140
8141 2005-01-24  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
8142
8143         PR middle-end/19330
8144         * expmed.c (extract_bit_field): Use adjust_address instead of
8145         gen_lowpart when op0 is a MEM.
8146
8147 2005-01-24  Steven Bosscher  <stevenb@suse.de>
8148
8149         * cfgexpand.c (expand_gimple_tailcall): Fix typo.
8150
8151 2005-01-24  Richard Sandiford  <rsandifo@redhat.com>
8152
8153         * config/mips/irix-csr.c: New file.
8154         * config/mips/t-iris6 (irix-csr.o): New rule to build it.
8155         (EXTRA_MULTILIB_PARTS): Add irix-csr.o.
8156         * config/mips/iris6.h (ENDFILE_SPEC): Include it in n32 and n64
8157         executables.
8158
8159 2005-01-24  Eric Botcazou  <ebotcazou@libertysurf.fr>
8160
8161         PR bootstrap/19364
8162         * config.gcc (sparc-*-elf*): Remove sol2.h, sparc/sol2.h and
8163         sparc/elf.h, add sparc/sp-elf.h.
8164         (sparc-*-rtems*): Likewise.
8165         (sparclite-*-elf*): Remove sol2.h, sparc/sol2.h, sparc/elf.h and
8166         tm-dwarf2.h, add sparc/sp-elf.h.
8167         (sparc86x-*-elf): Likewise.
8168         (sparc64-*-elf*): Remove sol2.h, sparc/sol2.h and tm-dwarf2.h.
8169         * config/sparc/liteelf.h (TARGET_SUB_OS_CPP_BUILTINS): Rename into
8170         TARGET_OS_CPP_BUILTINS.
8171         * config/sparc/sp86x-elf (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
8172         * config/sparc/rtemself.h (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
8173         Undefine it.
8174         * config/sparc/openbsd64.h (NO_IMPLICIT_EXTERN_C): Undefine.
8175         * config/sparc/sp64-elf.h (NO_IMPLICIT_EXTERN_C): New macro.
8176         (SWITCH_TAKES_ARG): Likewise.
8177         (LOCAL_LABEL_PREFIX): Likewise.
8178         (ASM_GENERATE_INTERNAL_LABEL): Likewise.
8179         (TARGET_N_FORMAT_TYPES): Delete.
8180         (TARGET_FORMAT_TYPES): Likewise.
8181         (ASM_DECLARE_FUNCTION_SIZE): Likewise.
8182         * config/sparc/elf.h: Delete.
8183         * config/sparc/sp-elf.h: New file.
8184
8185 2005-01-24  Kazu Hirata  <kazu@cs.umass.edu>
8186
8187         * tree-flow-inline.h (phi_arg_from_edge): Remove.
8188         * tree-flow.h: Remove the corresponding prototype.
8189         * tree-ssa-operands.h, tree-ssa-threadupdate.c, tree-ssa.c,
8190         tree-vectorizer.c: Use dest_idx instead of phi_arg_from_edge.
8191
8192 2005-01-24  Jakub Jelinek  <jakub@redhat.com>
8193
8194         PR target/17751
8195         * config/rs6000/rs6000.c (rs6000_file_start): Create toc section
8196         for AIX ABI or ELF -fPIC.
8197         (rs6000_emit_load_toc_table): Don't create toc_section here.
8198         (rs6000_xcoff_file_start): Nor here.
8199
8200 2005-01-24  J"orn Rennecke <joern.rennecke@st.com>
8201
8202         * sh.c (ra.h): Don't #include.
8203         (hard_regs_intersect_p): New function, resurrected from ra.c.
8204
8205         * sh.c: Fix 1996 Copyright.
8206
8207 2005-01-24  Richard Henderson  <rth@redhat.com>
8208             Aldy Hernandez  <aldyh@redhat.com>
8209
8210         * regrename.c (note_sets): Handle subregs.
8211
8212 2005-01-24  Joseph S. Myers  <joseph@codesourcery.com>
8213
8214         PR bootstrap/18058
8215         * genconditions.c (write_header, write_conditions): Elide file if
8216         not GCC >= 3.0.1.
8217
8218 2005-01-24  Kazu Hirata  <kazu@cs.umass.edu>
8219
8220         * c-opts.c, expmed.c, gengtype.c, tree-complex.c,
8221         config/arm/iwmmxt.md, config/avr/avr.c, config/s390/s390.h:
8222         Update copyright.
8223
8224 2005-01-24  Jakub Jelinek  <jakub@redhat.com>
8225
8226         * builtins.c (get_pointer_alignment, gimplify_va_arg_expr,
8227         expand_builtin_printf, expand_builtin_fprintf,
8228         expand_builtin_sprintf): Use POINTER_TYPE_P instead TREE_CODE
8229         checking against POINTER_TYPE.
8230         (validate_arglist): Handle POINTER_TYPE code by checking
8231         POINTER_TYPE_P.
8232
8233 2005-01-24  Paolo Bonzini  <bonzini@gnu.org>
8234
8235         * rtlanal.c (non_rtx_starting_operands, for_each_rtx_1,
8236         init_rtlanal): New.
8237         (for_each_rtx): Call for_each_rtx_1.
8238         * rtl.h (init_rtlanal): Declare.
8239         * toplev.c (backend_init): Call init_rtlanal.
8240
8241 2005-01-24  Jakub Jelinek  <jakub@redhat.com>
8242
8243         * flow.c (propagate_one_insn): Formatting.
8244
8245         PR middle-end/19551
8246         * flow.c (libcall_dead_p): Be more conservative if unsure.
8247         If there are any instructions between insn and call, see if they are
8248         all dead before saying the libcall is dead.
8249
8250 2005-01-24  Uros Bizjak  <uros@kss-loka.si>
8251
8252         * config/i386/i386.md (*extendsfdf2_sse): Use "nonimmediate_operand"
8253         operand constraint for operand 0.
8254
8255 2005-01-23  Richard Henderson  <rth@redhat.com>
8256
8257         PR 19486
8258         * tree-complex.c (expand_complex_div_wide): Set EDGE_FALLTHRU on
8259         edges leading to join block.
8260
8261 2005-01-23  Roger Sayle  <roger@eyesopen.com>
8262
8263         * expmed.c (expand_mult_highpart): Make static.  Change type of
8264         constant multiplier argument from unsigned HOST_WIDE_INT to rtx.
8265         (expand_divmod): Updates calls to expand_mult_highpart by using
8266         gen_int_mode to pass a CONST_INT rtx.
8267         * rtl.h (expand_mult_highpart): Remove prototype.
8268
8269 2005-01-23  Kazu Hirata  <kazu@cs.umass.edu>
8270
8271         * flow.c (regset_bytes, regset_size): Remove.
8272
8273         * cfganal.c: Fix a reference to Harvey's paper.
8274
8275 2005-01-23  Steven Bosscher  <stevenb@suse.de>
8276
8277         PR rtl-optimization/19464
8278         * tree-optimize.c (init_tree_optimization_passes): Add one more
8279         copyrename pass just before out-of-ssa.
8280
8281 2005-01-23  Joseph S. Myers  <joseph@codesourcery.com>
8282
8283         PR bootstrap/18058
8284         * recog.c (recog_memoized): Don't define if GENERATOR_FILE.
8285         * ggc-none.c (ggc_free): Define.
8286
8287 2005-01-23  Kazu Hirata  <kazu@cs.umass.edu>
8288
8289         * cse.c (max_reg, max_insn_uid): Remove.
8290         (cse_main): Don't access max_reg or max_insn_uid.
8291
8292         * c-common.c (explicit_flag_signed_bitfields,
8293         lang_statement_code_p, lang_expand_function_end): Remove.
8294         * c-common.h: Remove the corresponding declarations.
8295         * c-opts.c (c_common_handle_option): Remove all write access
8296         to explicit_flag_signed_bitfields.
8297
8298         * cgraph.c (cgraph_varpool_n_nodes): Remove.
8299         (cgraph_varpool_node): Don't access cgraph_varpool_n_nodes.
8300         * cgraph.h: Remove the corresponding declaration.
8301
8302         * gcse.c (null_pointer_info): Remove.
8303
8304 2005-01-23  Roger Sayle  <roger@eyesopen.com>
8305             Eric Botcazou  <ebotcazou@libertysurf.fr>
8306
8307         * combine.c (simplify_logical): Only simplify logical expressions
8308         of the form ior(and(x,y),z) by the inverse distributive law if the
8309         result is cheaper than the original.
8310
8311 2005-01-23  Kazu Hirata  <kazu@cs.umass.edu>
8312
8313         * alias.c, c-common.h, c-incpath.c, c-incpath.h, expr.c,
8314         fold-const.c, gimplify.c, params.h, tree-data-ref.c,
8315         tree-if-conv.c, tree-nested.c, tree-outof-ssa.c,
8316         tree-ssa-dom.c, tree-vectorizer.c, tree.def, config/darwin.c,
8317         config/freebsd-spec.h, config/arm/arm.h,
8318         config/h8300/h8300.md, config/i386/i386.md,
8319         config/i386/predicates.md, config/i386/sse.md,
8320         config/ia64/ia64.c, config/ip2k/ip2k.c, config/s390/s390.c,
8321         config/vax/vax.md: Fix comment typos.  Follow spelling
8322         conventions.
8323
8324 2005-01-23  Steven Bosscher  <stevenb@suse.de>
8325
8326         * gengtype.c (walk_type): Produce `not equal to' compares for loop
8327         tests, instead of `less than'.
8328
8329 2005-01-23  Richard Sandiford  <rsandifo@redhat.com>
8330
8331         * function.c (assign_parm_setup_block): When creating a new stack slot
8332         for a parameter, get its alignment from the parameter's DECL_ALIGN
8333         rather than the type's TYPE_ALIGN.  Make sure that the parameter
8334         is at least word aligned.
8335
8336 2005-01-22  Roger Sayle  <roger@eyesopen.com>
8337
8338         PR middle-end/19378
8339         * config/avr/avr.c (avr_hard_regno_mode_ok): Rewrite.
8340
8341 2005-01-22  Richard Henderson  <rth@redhat.com>
8342
8343         PR target/19506
8344         * config/i386/i386.md (movsfcc_1_sse_max): Use nonimmediate_operand
8345         in both compare operands.
8346         (movdfcc_1_sse_max): Likewise.
8347         (movsfcc_1_sse): Likewise.  Add earlyclobber for scratch.
8348         (movdfcc_1_sse): Likewise.
8349         * config/i386/i386.c (ix86_split_sse_movcc): Emit copies into the
8350         scratch register as needed.
8351
8352 2005-01-22  Richard Henderson  <rth@redhat.com>
8353
8354         * config/i386/i386.md (smaxsf3): Fix mnemonic typo.
8355
8356         * config/i386/i386.c (ix86_prepare_fp_compare_args): Fix is_sse test.
8357
8358 2005-01-22  Richard Henderson  <rth@redhat.com>
8359
8360         * genopinit.c (optabs): Use smin/smax for floating point too.
8361         * doc/md.texi: Update to match.  Clarify that floating point
8362         results are undefined for +0/-0 and NaN.
8363         * doc/rtl.texi: Likewise.
8364         * rtl.def (SMIN, SMAX): Likewise
8365         * tree.def (MIN_EXPR, MAX_EXPR): Likewise.
8366
8367         * config/alpha/alpha.md (smaxdf3, smindf3, smaxsf3, sminsf3): Add
8368         leading 's' to the name.
8369         * config/ia64/ia64.md (smaxsf3, sminsf3, smaxdf3, smindf3,
8370         smaxxf3, sminxf3): Likewise.
8371         * config/rs6000/rs6000.md (smaxdf3, smindf3, smaxsf3, sminsf3):
8372         Likewise.
8373
8374 2005-01-22  Paul Brook  <paul@codesourcery.com>
8375
8376         * config/arm/arm.md: Use "Uy" constraint for wcgr load/stores.
8377
8378 2005-01-21  Mark Dettinger  <dettinge@de.ibm.com>
8379
8380         * config/s390/s390.c (struct processor_costs): New fields
8381         dlgr, dlr, dr, dsgfr, dsgr.
8382         (z900_cost, z990_cost): Values for new fields.
8383         (s390_rtx_costs): New cases MEM und COMPARE in switch
8384         statement. Modified handling of SIGN_EXTEND, ZERO_EXTEND,
8385         DIV, MOD, UDIV, UMOD.
8386
8387 2005-01-21  Ulrich Weigand  <uweigand@de.ibm.com>
8388
8389         * config/s390/s390.md ("doloop_si64"): Reload input value directly
8390         into the register being decremented.
8391         ("doloop_si31", "doloop_di"): Likewise.
8392         ("*doloop_si_long"): Adapt pattern.
8393
8394 2005-01-21  Ulrich Weigand  <uweigand@de.ibm.com>
8395
8396         * config/s390/s390.h (HARD_REGNO_NREGS): Fix computation for
8397         access registers.
8398         (CLASS_MAX_NREGS): Likewise.
8399
8400 2005-01-21  Daniel Berlin  <dberlin@dberlin.org>
8401
8402         * doc/tree-ssa.texi (Statement Operands): Add example for new
8403         must-def macro. Note deprecation of old operands interface.
8404
8405 2005-01-22  Richard Sandiford  <rsandifo@redhat.com>
8406
8407         PR tree-optimization/19484
8408         * tree-cfg.c (remove_fallthru_edge): New function.
8409         (cleanup_control_flow): Remove fallthru edges from calls that are
8410         now known not to return.
8411
8412 2005-01-20  Daniel Berlin  <dberlin@dberlin.org>
8413
8414         Fix PR tree-optimization/19038
8415         * tree-ssa-dom.c (cprop_operand): Don't replace loop invaeriant
8416         copies with loop variant ones.
8417
8418 2005-01-22  Kazu Hirata  <kazu@cs.umass.edu>
8419
8420         * cfganal.c, real.h, reorg.c, timevar.def, tree-ssa-ccp.c,
8421         config/alpha/alpha-protos.h, config/alpha/alpha.h,
8422         config/alpha/alpha.md, config/alpha/predicates.md,
8423         config/sparc/freebsd.h, config/sparc/netbsd-elf.h,
8424         config/sparc/sol2.h: Update copyright.
8425
8426         * tree-cfg.c (remove_forwarder_block_with_phi): Look at the
8427         first label to see if it is a nonlocal label.
8428
8429 2005-01-22  David Edelsohn  <edelsohn@gnu.org>
8430             Andrew Pinski  <pinskia@physics.uc.edu>
8431
8432         PR target/19491
8433         * config/rs6000/rs6000.c (rs6000_va_start): Saturate n_gpr at
8434         maximum number of GPRs.  Saturate n_fpr at maximum number of FPRs.
8435
8436 2005-01-22  Ralf Corsepius  <ralf.corsepius@rtems.org>
8437
8438         * config/rs6000/rtems.h: Update copyright.
8439
8440 2005-01-22  Ralf Corsepius  <ralf.corsepius@rtems.org>
8441
8442         PR target/19548
8443         * config/rs6000/rtems.h: Resurrect cpp_os_rtems_spec from gcc < 3.4.
8444         (CPP_OS_RTEMS_SPEC): New (From gcc-3.3's config/rs6000/sys4.h).
8445         (SUBSUBTARGET_EXTRA_SPECS): Use CPP_OS_RTEMS_SPEC.
8446
8447 2005-01-22  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
8448
8449         PR c/18809
8450         * c-typeck.c (convert_arguments): Check for error_mark_node.
8451
8452 2005-01-21  Ian Lance Taylor  <ian@airs.com>
8453
8454         PR tree-optimization/13000
8455         * tree-inline.c: Include "tree-flow.h".
8456         (expand_call_inline): If warn_return_type, warn if non-void inline
8457         function falls through.
8458         * tree-cfg.c (execute_warn_function_return): Don't warn about
8459         control reaching end if TREE_NO_WARNING is set.  Set
8460         TREE_NO_WARNING.
8461         * gimple-low.c (block_may_fallthru): Don't assume that SWITCH_EXPR
8462         has been lowered.
8463         * gimplify.c (shortcut_cond_expr): Don't emit a jump over the else
8464         branch if we don't need one.
8465         * c-typeck.c: Include "tree-flow.h"
8466         (c_finish_bc_stmt): Don't add a goto if the current statement
8467         list doesn't fall through to the current point.
8468
8469 2005-01-21  Roger Sayle  <roger@eyesopen.com>
8470
8471         PR rtl-optimization/576
8472         * real.c (real_arithmetic): Change return type from void to bool
8473         to return an indication that the result may be inexact.
8474         * real.h (real_arithmeric): Update prototype.
8475         * fold-const.c (const_binop):  Don't constant fold floating
8476         point expressions when the user specifies -frounding-math and
8477         the result may depend upon the run-time rounding mode.
8478         (fold_convert_const_real_from_real): Clean-up.
8479         (fold_initializer): Ignore flag_rounding_math for initializers.
8480         * simplify-rtx.c (simplify_binary_operation): Likewise, don't
8481         constant fold FP operations with flag_rounding_math if the
8482         result may depend upon the run-time rounding mode.
8483
8484 2005-01-21  Tom Tromey  <tromey@redhat.com>
8485
8486         * c-cppbuiltin.c (define__GNUC__): Correct assertion.
8487
8488 2005-01-21  Kazu Hirata  <kazu@cs.umass.edu>
8489
8490         * tree-cfg.c: Fix comment typos.
8491
8492 2005-01-21  J"orn Rennecke <joern.rennecke@st.com>
8493
8494         * passes.c (rest_of_handle_flow2): Close / open the flow2 dump file
8495         around the call to rest_of_handle_branch_target_load_optimize.
8496
8497 2005-01-21  Eric Botcazou  <ebotcazou@libertysurf.fr>
8498
8499         * config.gcc (sparc-*-netbsdelf*): Include dbxelf.h
8500         (sparc64-*-openbsd*): Likewise.
8501         (sparclite-*-elf*): Include tm-dwarf2.h.
8502         (sparc86x-*-elf*): Likewise.
8503         (sparc64-*-elf*): Likewise.
8504         * config/sparc/linux64.h (DWARF2_DEBUGGING_INFO): Delete.
8505         (DBX_DEBUGGING_INFO): Likewise.
8506         * config/sparc/liteelf.h (DWARF2_DEBUGGING_INFO): Likewise.
8507         (PREFERRED_DEBUGGING_TYPE): Likewise.
8508         * config/sparc/netbsd-elf.h (PREFERRED_DEBUGGING_TYPE): Likewise.
8509         * config/sparc/sp64-elf.h (DBX_DEBUGGING_INFO): Likewise.
8510         (PREFERRED_DEBUGGING_TYPE): Likewise.
8511         * config/sparc/sp86x-elf.h (DWARF2_DEBUGGING_INFO): Likewise.
8512         (PREFERRED_DEBUGGING_TYPE): Likewise.
8513         * config/sparc/sparc.h (DBX_DEBUGGING_INFO): Likewise.
8514
8515 2005-01-21  Hans-Peter Nilsson  <hp@bitrange.com>
8516
8517         PR target/18701
8518         * combine.c (combine_simplify_rtx): Revert change of 2004-12-31.
8519
8520 2005-01-20  Paul Brook  <paul@codesourcery.com>
8521
8522         * doc/rtl.texi: Document value extension requirements for CONST_INT.
8523
8524 2005-01-20  Kazu Hirata  <kazu@cs.umass.edu>
8525
8526         * tree-cfg.c (tree_verify_flow_info): Check that a nonlocal
8527         label is first in a sequence of labels.
8528
8529         * tree-cfg.c (tree_verify_flow_info): Fix a typo.
8530
8531 2005-01-20  Janis Johnson  <janis187@us.ibm.com>
8532             Giovanni Bajo  <giovannibajo@gcc.gnu.org>
8533
8534         * doc/sourcebuild.texi (Test Directives): New.
8535
8536 2005-01-20  Roger Sayle  <roger@eyesopen.com>
8537
8538         * real.c (real_floor): Don't leave the result uninitialized when
8539         mode is VOIDMode, but return the unrounded intermediate value.
8540         (real_ceil): Likewise.
8541
8542 2005-01-20  Paul Brook  <paul@codesourcery.com>
8543
8544         * config/arm/arm.md (insv): Use gen_int_mode.
8545
8546 2005-01-20  Eric Botcazou  <ebotcazou@libertysurf.fr>
8547
8548         * config/sparc/freebsd.h (ASM_OUTPUT_INTERNAL_LABELREF): Delete.
8549         * config/sparc/linux.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
8550         * config/sparc/linux64.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
8551         * config/sparc/netbsd-elf.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
8552         * config/sparc/sol2.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
8553
8554 2005-01-20  Daniel Berlin  <dberlin@dberlin.org>
8555
8556         Fix PR debug/19124
8557         * dwarf2out.c (concat_loc_descriptor): We don't know we can use
8558         fbreg, so we have to assume we can't.
8559         (loc_descriptor_from_tree_1): Ditto.
8560         (containing_function_has_frame_base): New function.
8561         (add_location_or_const_value_attribute): Use it.
8562         Also try to generate a frame_base from a single element location
8563         list.
8564
8565 2005-01-20  Kazu Hirata  <kazu@cs.umass.edu>
8566
8567         PR tree-optimization/15349
8568         * timevar.def (TV_TREE_MERGE_PHI): New.
8569         * tree-cfg.c (tree_forwarder_block_p): Add a new argument
8570         PHI_WANTED.
8571         (remove_forwarder_block, cleanup_forwarder_blocks): Adjust the
8572         calls to tree_forwarder_block_p.
8573         (remove_forwarder_block_with_phi, merge_phi_nodes,
8574         gate_merge_phi, pass_merge_phi): New.
8575         * tree-optimize.c (init_tree_optimization_passes): Add
8576         pass_merge_phi.
8577         * tree-pass.h: Add an extern for pass_merge_phi;
8578
8579 2005-01-20  Richard Henderson  <rth@redhat.com>
8580
8581         PR target/19418
8582         * config/i386/emmintrin.h (_mm_castpd_ps, _mm_castpd_si128): New.
8583         (_mm_castps_pd, _mm_castps_si128): New.
8584         (_mm_castsi128_ps, _mm_castsi128_pd): New.
8585
8586 2005-01-20  Richard Henderson  <rth@redhat.com>
8587
8588         PR target/19530
8589         * config/i386/mmintrin.h (_mm_cvtsi32_si64): Use
8590         __builtin_ia32_vec_init_v2si.
8591         (_mm_cvtsi64_si32): Use __builtin_ia32_vec_ext_v2si.
8592         * config/i386/i386.c (IX86_BUILTIN_VEC_EXT_V2SI): New.
8593         (ix86_init_mmx_sse_builtins): Create it.
8594         (ix86_expand_builtin): Expand it.
8595         (ix86_expand_vector_set): Handle V2SFmode and V2SImode.
8596         * config/i386/mmx.md (vec_extractv2sf_0, vec_extractv2sf_1): New.
8597         (vec_extractv2si_0, vec_extractv2si_1): New.
8598
8599 2005-01-20  Richard Henderson  <rth@redhat.com>
8600
8601         PR target/16533
8602         * config/i386/i386.c (ix86_expand_push): New.
8603         * config/i386/mmx.md (push<MMXMODE>1): New.
8604         * config/i386/sse.md (push<SSEMODE>1): New.
8605         * config/i386/i386-protos.h: Update.
8606
8607 2005-01-20  Kazu Hirata  <kazu@cs.umass.edu>
8608
8609         * params.def, params.h, predict.c, tree-ssa-loop-im.c: Update
8610         copyright.
8611
8612 2005-01-20  Richard Henderson  <rth@redhat.com>
8613
8614         * rtl.def (CONST_VECTOR): Use RTX_CONST_OBJ.
8615         * rtl.h (CONSTANT_P): Don't special case CONST_VECTOR.
8616
8617 2005-01-19  Richard Henderson  <rth@redhat.com>
8618
8619         PR target/19350
8620         * config/i386/i386.c (ix86_expand_vector_move_misalign): Convert
8621         to V4SFmode in SSE1 fallback load path.
8622
8623 2005-01-19  Richard Henderson  <rth@redhat.com>
8624
8625         * config/i386/i386.c (ix86_expand_vector_init_one_var): Fix typo
8626         in QImode expansion to ix86_expand_vector_set.
8627         (ix86_expand_vector_init_general): Fix typo in V8HImode recursive call.
8628
8629 2005-01-19  Richard Henderson  <rth@redhat.com>
8630
8631         PR target/19511
8632         * config/i386/i386.c (ix86_preferred_reload_class): Return a proper
8633         subclass of the input class.
8634         (ix86_secondary_memory_needed): Always true for cross-MMX classes.
8635         Always true for cross-SSE1 classes.  Rationalize conditionals.
8636         * config/i386/i386.h (SSE_CLASS_P, MMX_CLASS_P): Use straight equality.
8637         * config/i386/i386.md (movsi_1): Add MMX/SSE zeros.  Fix alternatives
8638         for SSE1.  Don't check TARGET_INTER_UNIT_MOVES.
8639         (movdi_2): Add MMX/SSE zeros.
8640         (movdi_1_rex64): Likewise.  Don't check TARGET_INTER_UNIT_MOVES.
8641         (movsf_1): Don't check TARGET_INTER_UNIT_MOVES.
8642         (zero_extendsidi2_32, zero_extendsidi2_rex64): Likewise.
8643         (movsi_1_nointernunit, movdi_1_rex64_nointerunit): Remove.
8644         (movsf_1_nointerunit, zero_extendsidi2_32_1): Remove.
8645         (zero_extendsidi2_rex64_1): Remove.
8646         (MOV0 peephole): Check GENERAL_REG_P.
8647
8648 2005-01-19  Richard Henderson  <rth@redhat.com>
8649
8650         PR target/19427
8651         * config/i386/i386.c (ix86_expand_vector_set): Fix third and fourth
8652         shufps elements.
8653         (ix86_expand_vector_extract): Likewise.
8654
8655 2005-01-19  Richard Henderson  <rth@redhat.com>
8656
8657         PR middle-end/19304
8658         * expr.c (emit_move_change_mode): New argument force; use
8659         simplify_gen_subreg if true.
8660         (emit_move_via_alt_mode): Merge into ...
8661         (emit_move_via_integer): ... here.
8662         (emit_move_ccmode): Use emit_move_change_mode directly.
8663
8664 2005-01-19  Richard Henderson  <rth@redhat.com>
8665
8666         PR target/19518
8667         * config/alpha/alpha.c (alpha_rtx_costs): Handle HIGH.
8668         (alpha_preferred_reload_class): Handle CONST_VECTOR.
8669         (alpha_emit_set_const_1): Add no_output parameter; don't emit
8670         rtl if true.
8671         (alpha_emit_set_const): Likewise.  Make static.
8672         (alpha_emit_set_long_const): Make static.
8673         (alpha_extract_integer): Split out from alpha_expand_mov.
8674         (alpha_split_const_mov): Likewise.
8675         (alpha_expand_mov): Use them.  Handle CONST_VECTOR.
8676         (alpha_legitimate_constant_p): New.
8677         * config/alpha/alpha-protos.h: Update.
8678         * config/alpha/alpha.h (REGISTER_MOVE_COST): Correct fp<->gp cost.
8679         (LEGITIMATE_CONSTANT_P): Re-implement with a function.
8680         * config/alpha/alpha.md (movsi): Add n alternative.
8681         (movsi_nt_vms, movdi_er_nofix, movdi_er_fix, movdi_fix): Likewise.
8682         (mov<VEC>_fix, mov<VEC>_nofix): Add i alternative.
8683         (splitters for all of the above): Use alpha_split_const_mov.
8684         * config/alpha/predicates.md (non_add_const_operand): New.
8685         (non_zero_const_operand): New.
8686         (input_operand): Use alpha_legitimate_constant_p after reload.
8687
8688 2005-01-19  Zdenek Dvorak  <dvorakz@suse.cz>
8689
8690         PR tree-optimization/19038
8691         * tree-ssa-loop-ivopts.c (allow_ip_end_pos_p): New function.
8692         (add_candidate): Add ivs with increment in latch only if
8693         allow_ip_end_pos_p is true.
8694         (determine_iv_cost): Use empty_block_p.
8695
8696 2005-01-19  Daniel Berlin  <dberlin@dberlin.org>
8697
8698         * cfganal.c (compute_dominance_frontiers_1): Replace with new algorithm
8699         (compute_dominance_frontiers): Ditto.
8700
8701 2005-01-19  Ralf Corsepius  <ralf.corsepius@rtems.org>
8702
8703         PR target/19529
8704         * config/sh/t-rtems: New.
8705         * config.gcc (sh-*-rtems*): Reflect having added config/sh/t-rtems.
8706
8707 2005-01-19  Zdenek Dvorak  <dvorakz@suse.cz>
8708
8709         * tree-ssa-ccp.c (maybe_fold_offset_to_component_ref): Always subtract
8710         the offset of the selected field.
8711
8712 2005-01-19  Kazu Hirata  <kazu@cs.umass.edu>
8713
8714         * tree-cfg.c (remove_forwarder_block): Fix the check to
8715         prevent a nonlocal label from appearing in the middle of a
8716         basic block.
8717
8718 2005-01-19  Hans-Peter Nilsson  <hp@axis.com>
8719
8720         PR rtl-optimization/19462
8721         * reorg.c (find_end_label): Create return insn only if
8722         current_function_epilogue_delay_list is empty.
8723
8724 2005-01-19  Paolo Bonzini  <bonzini@gnu.org>
8725
8726         * doc/passes.texi: Remove paragraph mentioning new-ra.
8727
8728 2005-01-19  Jakub Jelinek  <jakub@redhat.com>
8729
8730         PR rtl-optimization/15139
8731         * combine.c: Include params.h.
8732         (count_rtxs): New function.
8733         (record_value_for_reg): If replace_rtx would replace at least
8734         2 occurrences of REG in VALUE and TEM is really large, replace REG with
8735         (clobber (const_int 0)) instead of TEM.
8736         * params.def (PARAM_MAX_LAST_VALUE_RTL): New.
8737         * params.h (MAX_LAST_VALUE_RTL): New.
8738         * Makefile.in (combine.o): Depend on $(PARAMS_H).
8739         * doc/invoke.texi (--param max-last-value-rtl=N): Document.
8740
8741         PR c/17297
8742         * c-typeck.c (digest_init): Only call build_vector if all constructor
8743         elements are *_CST nodes.
8744         * gimplify.c (gimplify_init_constructor): Likewise.
8745
8746         PR middle-end/19164
8747         * c-typeck.c (digest_init): Only call build_vector if inside_init
8748         is a CONSTRUCTOR.
8749
8750 2005-01-18  Tobias Schl"uter  <tobias.schlueter@physik.uni-muenchen.de>
8751
8752         * toplev.c (init_asm_output): Remove dead #ifdef.
8753
8754 2005-01-18  Kaz Kojima  <kkojima@gcc.gnu.org>
8755
8756         * config/sh/linux.h (TARGET_C99_FUNCTIONS): Define.
8757
8758 2005-01-18  Eric Botcazou  <ebotcazou@libertysurf.fr>
8759
8760         * calls.c (expand_call): Check DECL_BUILT_IN_CLASS before
8761         accessing DECL_FUNCTION_CODE.
8762         * dojump.c (do_jump): Likewise.
8763         * gimplify.c (gimplify_call_expr): Likewise.
8764         * predict.c (expr_expected_value): Likewise.
8765         (strip_builtin_expect): Likewise.
8766         * tree-inline.c (estimate_num_insns_1): Likewise.
8767         * tree-ssa-loop-im.c (stmt_cost): Likewise
8768         * fold-const.c (fold): Test for BUILT_IN_NORMAL.
8769         (tree_expr_nonnegative_p): Likewise.
8770
8771 2005-01-18  Eric Botcazou  <ebotcazou@libertysurf.fr>
8772
8773         * config/sparc/sparc.c (load_pic_register): Emit the appropriate
8774         variant of the load_pcrel_sym pattern.
8775         * config/sparc/sparc.md (P macro): Move to the top.
8776         (load_pcrel_sym): Macroize using P.
8777         (save_register_window): Likewise.
8778
8779 2005-01-18  Aldy Hernandez  <aldyh@redhat.com>
8780
8781         * config/rs6000/rs6000.md ("sunordered"): Disable for e500.
8782         ("sordered"): Same.
8783
8784 2005-01-18  Andrew Pinski  <pinskia@physics.uc.edu>
8785
8786         PR C/19472
8787         * c-typeck.c (build_asm_expr): Strip nops off
8788         input memory operands.
8789
8790 2005-01-18  David Edelsohn  <edelsohn@gnu.org>
8791
8792         * config/rs6000/aix43.h (CPLUSPLUS_CPP_SPEC): Delete
8793         _XOPEN_SOURCE, _XOPEN_SOURCE_EXTENDED, _LARGE_FILE_API.
8794         * config/rs6000/aix51.h (CPLUSPLUS_CPP_SPEC): Same.
8795         * config/rs6000/aix52.h (CPLUSPLUS_CPP_SPEC): Same.
8796
8797 2005-01-18  Joel Sherrill <joel.sherrill@oarcorp.com>
8798
8799         PR target/19379
8800         * config/i386/i386.c (override_options): If the 80387 is disabled,
8801         then do not return FP values using FP registers.
8802
8803 2005-01-18  Kazu Hirata  <kazu@cs.umass.edu>
8804
8805         * basic-block.h, c-common.c, c-cppbuiltin.c, c-lang.c,
8806         c-tree.h, cfgbuild.c, cgraph.c, cgraph.h, collect2.c,
8807         combine.c, config.gcc, coverage.h, cse.c, cselib.c,
8808         defaults.h, df.c, dwarf2asm.c, dwarf2out.c, explow.c, expr.c,
8809         flow.c, fold-const.c, gcse.c, ggc-page.c, gimple-low.c,
8810         gimplify.c, ifcvt.c, langhooks-def.h, lcm.c, optabs.h,
8811         output.h, postreload-gcse.c, postreload.c, recog.c,
8812         resource.c, rtl.def, rtlanal.c, sched-deps.c, sched-rgn.c,
8813         targhooks.h, toplev.c, tree-data-ref.c, tree-eh.c,
8814         tree-flow.h, tree-loop-linear.c, tree-mudflap.h, tree-nrv.c,
8815         tree-optimize.c, tree-outof-ssa.c, tree-pass.h,
8816         tree-scalar-evolution.c, tree-ssa-copy.c, tree-ssa-dce.c,
8817         tree-ssa-dse.c, tree-ssa-loop-ivopts.c, tree-ssa-operands.c,
8818         tree-ssa-pre.c, tree-ssa.c, tree-vectorizer.c, tree.def,
8819         unwind-dw2-fde-darwin.c, var-tracking.c: Update copyright.
8820
8821         * config/darwin.c, config/darwin.h, config/freebsd-spec.h,
8822         config/alpha/alpha.c, config/arm/vfp.md,
8823         config/i386/emmintrin.h, config/i386/i386-modes.def,
8824         config/i386/i386-protos.h, config/i386/i386.h,
8825         config/i386/pmmintrin.h, config/i386/ppro.md,
8826         config/i386/predicates.md, config/i386/xmmintrin.h,
8827         config/i860/i860.c, config/ia64/ia64-modes.def,
8828         config/ia64/ia64-protos.h, config/ia64/ia64.h,
8829         config/ia64/ia64.md, config/ia64/itanium1.md,
8830         config/ia64/itanium2.md, config/ia64/predicates.md,
8831         config/iq2000/iq2000.h, config/mips/linux64.h,
8832         config/rs6000/aix41.h, config/rs6000/aix43.h,
8833         config/rs6000/aix52.h, config/rs6000/darwin-fallback.c,
8834         config/rs6000/rs6000.c, config/rs6000/rs6000.h,
8835         config/rs6000/spe.md, config/sh/sh.md, config/sparc/linux.h,
8836         config/sparc/linux64.h, config/sparc/litecoff.h,
8837         config/sparc/sp64-elf.h, config/sparc/sparc.c,
8838         config/sparc/sparc.h, config/sparc/sparc.md,
8839         config/sparc/sysv4-only.h: Update copyright.
8840
8841 2005-01-18  Richard Henderson  <rth@redhat.com>
8842
8843         PR target/19496
8844         * config/i386/i386.c (ix86_expand_fp_movcc): Fail for LTGT and UNEQ.
8845
8846 2005-01-18  Marc Espie  <espie@openbsd.org>
8847         * config/i386/openbsdelf.h: Typo.
8848
8849 2005-01-18  Richard Henderson  <rth@redhat.com>
8850
8851         * config/i386/i386.c (ix86_expand_fp_movcc): Remove TARGET_IEEE_FP
8852         special case for sse.
8853         * config/i386/predicates.md (sse_comparison_operator): Likewise.
8854
8855 2005-01-18  Dorit Naishlos  <dorit@il.ibm.com>
8856
8857         * tree-inline.c (estimate_num_insns_1): Added cases for
8858         ALIGN_INDIRECT_REF, MISALIGNED_INDIRECT_REF, and REALIGN_LOAD_EXPR.
8859
8860 2005-01-18  Eric Botcazou  <ebotcazou@libertysurf.fr>
8861
8862         PR rtl-optimization/19296
8863         * combine.c (simplify_comparison): Rewrite the condition under
8864         which a non-paradoxical SUBREG of a PLUS can be lifted when
8865         compared against a constant.
8866
8867 2005-01-18  Andi Kleen <ak@muc.de>
8868
8869         * c-typeck.c: (convert_for_assignment): Check warn_pointer_sign.
8870         * c.opt (-Wpointer-sign): Add.
8871         * doc/invoke.texi: (-Wpointer-sign): Add.
8872
8873 2005-01-18  Uros Bizjak  <uros@kss-loka.si>
8874
8875         * config/i386/i386.c (override_options): Revert 2004-11-24 change.
8876         * config/i386/i386.md (fmodsf3, dremsf3, *sinsf2, *cossf2, sincossf3,
8877         *tansf3_1, tansf2, atan2sf3_1, atan2sf3, atansf2, asinsf2, acossf2,
8878         logsf2, log10sf2, log2sf2, log1psf2, logbsf2, ilogbsf2, expsf2,
8879         exp10sf2, exp2sf2, expm1sf2, rintsf2, floorsf2, ceilsf2, btruncsf2,
8880         nearbyintsf2): Disable for TARGET_SSE_MATH.  Leave patterns enabled
8881         for TARGET_MIX_SSE_I387.
8882         (fmoddf3, dremdf3, *sindf2, *sinextendsfdf2, *cosdf2, *cosextendsfdf2,
8883         sincosdf3, *sincosextendsfdf3, *tandf3_1, tandf2, atan2df3_1,
8884         atan2df3, atandf2, asindf2, acosdf2, logdf2, log10df2, log2df2,
8885         log1pdf2, logbdf2, expdf2, exp10df2, exp2df2, expm1df2, rintdf2,
8886         floordf2, ceildf2, btruncdf2, nearbyintdf2): Disable for
8887         (TARGET_SSE2 && TARGET_SSE_MATH).  Leave patterns enabled for
8888         TARGET_MIX_SSE_I387.
8889         (atan2sf3, atan2df3, atan2xf3): Remove register constraints
8890         from expander.
8891
8892 2005-01-18  Uros Bizjak  <uros@kss-loka.si>
8893
8894         PR target/19424
8895         * config/i386/mmx.md (*movv2sf_internal_rex64, *movv2sf_internal):
8896         Add movaps alternative for xmm reg->reg move.
8897
8898 2005-01-17  Jeff Law  <law@redhat.com>
8899
8900         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Clear SSA_NAME_VALUE
8901         at the end of the main DOM loop rather than just before DOM exits.
8902
8903 2005-01-17  Diego Novillo  <dnovillo@redhat.com>
8904
8905         PR tree-optimization/19121
8906         * tree-ssa-alias.c (compute_flow_sensitive_aliasing): When
8907         adding aliases to a name tag, also add them to the pointer's
8908         type tag.
8909         * tree-ssa-copy.c (merge_alias_info): Do not merge flow
8910         sensitive alias info at all.  Only check that the two pointers
8911         have compatible pointed-to sets.
8912         * tree-ssa.c (verify_name_tags): Verify that the alias set of
8913         a pointer's type tag is a superset of the alias set of the
8914         pointer's name tag.
8915
8916 2005-01-17  James E Wilson  <wilson@specifixinc.com>
8917
8918         PR target/19357
8919         * config/ia64/ia64.md (movxf): Handle general register source.  Adjust
8920         comment to document why.
8921
8922 2005-01-17  Richard Henderson  <rth@redhat.com>
8923
8924         * config/i386/sse.md (smaxv4sf3_finite, sse_vmsmaxv4sf3_finite,
8925         sminv4sf3_finite, sse_vmsminv4sf3_finite, smaxv2df3_finite,
8926         sse2_vmsmaxv2df3_finite, sminv2df3_finite,
8927         sse2_vmsminv2df3_finite): New.
8928         (smaxv4sf3, sse_vmsmaxv4sf3, sminv4sf3, sse_vmsminv4sf3, smaxv2df3,
8929         sse2_vmsmaxv2df3, sminv2df3, sse2_vmsminv2df3): Remove commutative.
8930         Force op1 into register.
8931
8932 2005-01-17  Kelley Cook  <kcook@gcc.gnu.org>
8933
8934         * Makefile.in (STAGEMOVESTUFF): Stage all the stamp files to prevent
8935         bubblestrap from always rebuilding build directory.
8936
8937 2005-01-17  Ulrich Weigand  <uweigand@de.ibm.com>
8938
8939         * config/s390/s390.md ("*clc"): Remove incorrect '='.
8940         ("*cmpmem_short"): Likewise.
8941
8942 2005-01-17  Steven Bosscher  <stevenb@suse.de>
8943
8944         * basic-block.h: Document BB_* flags.
8945         * regrename.c (copyprop_hardreg_forward): Don't use BB_VISITED,
8946         use an sbitmap instead.
8947         * sched-rgn.c (compute_trg_info): Likewise.
8948
8949 2005-01-17  Richard Sandiford  <rsandifo@redhat.com>
8950
8951         * config.gcc (mips64*-*-linux*): Set the default abi to n32.  Remove
8952         redundant target_cpu_default and extra_parts lines.  Use the default
8953         "from-abi" ISA.
8954         * config/mips/linux64.h (DRIVER_DEFAULT_ABI_SELF_SPEC): Delete.
8955         (SUBTARGET_EXTRA_SPECS): Delete.
8956         (DRIVER_SELF_SPECS): Remove architecture lines.  Set the ABI directly.
8957         (SUBTARGET_ASM_SPEC): Remove -mabi=n32 and -mabi=64 mappings.
8958         * config/mips/t-linux64 (MULTILIB_DIRNAMES): Use "32" for -mabi=32
8959         and "n32" for -mabi=n32.
8960
8961 2005-01-17  Ian Lance Taylor  <ian@airs.com>
8962
8963         PR c/5675
8964         * c-typeck.c (build_c_cast): Revert patch of 2003-02-16: don't
8965         fold constant variables into initial values.
8966
8967 2005-01-17  Kazu Hirata  <kazu@cs.umass.edu>
8968
8969         * tree-cfg.c (tree_can_merge_blocks_p): Reorder two checks.
8970
8971         * tree-cfg.c (tree_forwarder_block_p): Speed up by walking
8972         through the statements backward.
8973
8974 2005-01-17  Ian Lance Taylor  <ian@airs.com>
8975
8976         PR middle-end/13127:
8977         * tree-inline.c (expand_call_inline): Set TREE_NO_WARNING on
8978         a variable set to the return value of the inlined function.
8979
8980 2005-01-17  Mark Dettinger  <dettinge@de.ibm.com>
8981
8982         * rtlanal.c (rtx_cost): Assign cost of 0 to a SUBREG
8983         when modes are tieable.
8984
8985 2005-01-17  Ranjit Mathew  <rmathew@hotmail.com>
8986
8987         * gthr-posix.h (__gthread_active_p): Use pthread_cancel instead
8988         of pthread_create to find out if threads are enabled.
8989         * gthr-posix95.h (__gthread_active_p): Likewise.
8990
8991 2005-01-17  Paolo Bonzini  <bonzini@gnu.org>
8992
8993         * common.opt (-fnew-ra): Remove.
8994         * ra*.*: Remove.
8995         * toplev.h (flag_new_regalloc): Remove.
8996         * Makefile.in (ra*.*): Don't mention.
8997         * passes.c (rest_of_handle_new_regalloc): Remove.
8998         (rest_of_handle_combine, rest_of_compilation): Always consider
8999         flag_new_regalloc as false.
9000         * doc/invoke.texi: Don't document -fnew-ra.
9001
9002 2005-01-17  Paolo Bonzini <bonzini@gnu.org>
9003
9004         * bb-reorder.c (fix_edges_for_rarely_executed_code): Remove
9005         last parameter to reg_scan.
9006         * loop.c (loop_optimize): Likewise.
9007         * passes.c (rest_of_handle_tracer, rest_of_handle_if_conversion,
9008         rest_of_handle_web, rest_of_handle_cfg, rest_of_handle_jump_bypass,
9009         rest_of_handle_life, rest_of_handle_cse, rest_of_handle_cse2,
9010         rest_of_handle_gcse, rest_of_handle_loop_optimize,
9011         rest_of_handle_loop2, rest_of_handle_jump2): Likewise.
9012         * regclass.c (reg_scan): Likewise, for the declaration.
9013         * rtl.h (reg_scan): Likewise, for the prototype.
9014
9015 2005-01-17  Kazu Hirata  <kazu@cs.umass.edu>
9016
9017         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Don't call
9018         mark_dfs_back_edges.
9019
9020 2005-01-16  Daniel Berlin  <dberlin@dberlin.org>
9021
9022         * tree-ssa-pre.c (add_to_sets): s1 may be NULL.
9023         (compute_avail): Uses don't go in tmp_gen.
9024
9025 2005-01-16  Steven Bosscher  <stevenb@suse.de>
9026
9027         * ggc-page.c (ggc_alloc_stat): Use __builtin_ctzl instead of a
9028         loop to look for a free slot in a page entry.
9029
9030 2005-01-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
9031
9032         PR target/16304
9033         * defaults.h (TARGET_DEFERRED_OUTPUT_DEFS): Provide default.
9034         * toplev.c (compile_file): Call process_pending_assemble_output_defs
9035         just before targetm.asm_out.file_end.
9036         * tree.h (process_pending_assemble_output_defs): Declare.
9037         * varasm.c (assemble_output_def, process_pending_assemble_output_defs):
9038         New functions.
9039         (assemble_alias): Defer generation of assembly code for defines when
9040         TARGET_DEFERRED_OUTPUT_DEFS is true.
9041         * config/rs6000/aix41.h (TARGET_DEFERRED_OUTPUT_DEFS): Define.
9042         * config/rs6000/aix43.h (TARGET_DEFERRED_OUTPUT_DEFS): Define.
9043         * doc/tm.texi (TARGET_DEFERRED_OUTPUT_DEFS): document.
9044
9045 2005-01-15  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
9046
9047         PR target/19336
9048         * pa.c (pa_scalar_mode_supported_p): New function.
9049         (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
9050         * pa.h (MIN_UNITS_PER_WORD): Add comment.
9051
9052         * pa-protos.h (prefetch_operand): Delete.
9053         (prefetch_cc_operand, prefetch_nocc_operand): New declations.
9054         * pa.c (prefetch_operand): Delete.
9055         (prefetch_cc_operand, prefetch_nocc_operand): New functions.
9056         * pa.h (EXTRA_CONSTRAINT): Add `W' constraint.
9057         (PREDICATE_CODES): Delete prefetch_operand.  Add prefetch_cc_operand
9058         and prefetch_nocc_operand.
9059         * pa.md (prefetch): Rework to avoid reload problems handling short
9060         displacements when a cache control completer needs to be provided.
9061         (prefetch_32, prefetch_64): Delete.
9062         (prefetch_cc, prefetch_nocc): New patterns.
9063
9064 2005-01-15  David Edelsohn  <edelsohn@gnu.org>
9065
9066         * config/rs6000/aix52.h (CPLUSPLUS_CPP_SPEC): Revert previous change.
9067
9068 2005-01-15  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
9069
9070         PR ada/19388
9071         * pa.c (pa_asm_output_aligned_common): Warn if specified alignment
9072         exceeds maximum alignment for global common data.
9073         * pa64-hpux.h (MAX_OFILE_ALIGNMENT): Define to 32768.
9074         * som.h (MAX_OFILE_ALIGNMENT): Likewise.
9075
9076 2004-01-15  Roger Sayle  <roger@eyesopen.com>
9077
9078         * tree-ssa-dom.c (extract_range_from_cond): Correct condition.
9079
9080 2004-01-15  Roger Sayle  <roger@eyesopen.com>
9081
9082         * harg-reg-set.h (reg_class_names): Prototype global array.
9083         * regclass.c (reg_class_names): Declare here and initialize to
9084         REG_CLASS_NAMES.
9085         (dump_regclass): Remove local declaration of reg_class_names.
9086         (regclass): Likewise.
9087         * cfg.c (dump_flow_info): Likewise.
9088         * ra-debug.c (reg_class_names): Likewise.
9089         * regrename.c (reg_class_names): Likewise.
9090         * reload.c (reg_class_names): Likewise.
9091         * reload1.c (spill_failure): Likewise.
9092         * config/m68hc11/m68hc11.c (reg_class_names): Likewise.
9093
9094 2005-01-15  Ulrich Weigand  <uweigand@de.ibm.com>
9095
9096         * config/s390/s390.md ("reload_outti"): Remove predicate for
9097         output operand.  Abort if operand is not a MEM.
9098         ("reload_outdi", "reload_outdf"): Likewise.
9099
9100 2005-01-15  Marc Espie  <espie@openbsd.org>
9101
9102         * config.gcc (*-*-openbsd*): Set HAS_LIBC_R for OpenBSD <= 3.2.
9103         (i[34567]86-*-openbsd*): Switch to ELF for OpenBSD >= 3.4.
9104         * config/openbsd.h:  Fix C++ includes for native configurations.
9105         Add proper OS_CPP_BUILTINS.  Fix libspec for recent OpenBSD.
9106         Add trampoline support.
9107         * config/i386/openbsdelf.h: New.
9108
9109 2005-01-15  Marc Espie  <espie@openbsd.org>
9110
9111         * collect2.c (main): Explicitly parse -dynamic-linker option.
9112
9113 2005-01-15  Jakub Jelinek  <jakub@redhat.com>
9114
9115         PR tree-optimization/19060
9116         * tree-ssa-dom.c (extract_range_from_cond) <case LT_EXPR, GT_EXPR>:
9117         Return 0 if op1 <= TYPE_MIN_VALUE () resp. op1 >= TYPE_MAX_VALUE ().
9118         (simplify_cond_and_lookup_avail_expr): Add assert for dummy == 0
9119         and handle extract_range_from_cond returning false.
9120         * fold-const.c (fold): Optimize comparisons with min/max even for
9121         width > HOST_BITS_PER_WIDE_INT.
9122
9123 2005-01-15  Ralf Corsepius  <ralf.corsepius@rtems.org>
9124
9125         * config/mips/rtems.h (MIPS_DEFAULT_GVALUE): Set to 0.
9126         * config/mips/t-rtems (MULTILIBS_DIRNAMES,MULTILIB_OPTIONS):
9127         Remove little endian multilib variants.
9128         Add mips32 multilib variant.
9129
9130 2005-01-15  Kazu Hirata  <kazu@cs.umass.edu>
9131
9132         * explow.c (copy_all_reg, stabilize): Remove.
9133         * expr.h: Remove the corresponding prototypes.
9134
9135         * rtlanal.c (regs_set_between_p): Remove.
9136         * rtl.h: Remove the corresponding prototype.
9137
9138 2005-01-14  David Edelsohn  <edelsohn@gnu.org>
9139
9140         * config/rs6000/rs6000.c (rs6k_nonimmediate_operand): Rename
9141         to rs6000_nonimmediate_operand.
9142         * config/rs6000/rs6000.h (PREDICATE_CODES): Rename
9143         rs6k_nonimmediate_operand to rs6000_nonimmediate_operand.
9144         * config/rs6000/rs6000.md (movsi_internal1): Rename predicate to
9145         rs6000_nonimmediate_operand.
9146         * config/rs6000/spe.md (movdf_e500_double): Rename predicate to
9147         rs6000_nonimmediate_operand.
9148
9149 2005-01-14  Andrew Pinski  <pinskia@physics.uc.edu>
9150
9151         * tree-ssa-alias.c (pass_may_alias): Add TODO_verify_stmts.
9152
9153 2005-01-14  Aldy Hernandez  <aldyh@redhat.com>
9154
9155         * config/rs6000/rs6000.h (CLASS_MAX_NREGS): DF goes in 1 register
9156         on e500v2.
9157         (CANNOT_CHANGE_MODE_CLASS): Restrict DI mode changes on e500v2.
9158         (PREDICATE_CODES): Add rs6k_nonimmediate_operand.
9159
9160         * config/rs6000/rs6000.c (invalid_e500_subreg): New.
9161         (rs6k_nonimmediate_operand): New.
9162         (rs6000_legitimate_offset_address_p): Handle DI modes on e500v2
9163         correctly.
9164         (legitimate_lo_sum_address_p): Same.
9165         (rs6000_legitimize_address): Same.
9166         (rs6000_legitimize_reload_address): Same.
9167         (rs6000_legitimate_address): Same.
9168         (spe_build_register_parallel): Pass DF and DC modes in a DI
9169         register.
9170
9171         * config/rs6000/rs6000.md ("*movsi_internal1"): Change predicate
9172         to rs6k_nonimmediate_operand.
9173
9174         * config/rs6000/spe.md ("*frob_df_di"): New.
9175         ("*frob_di_df"): New.
9176         ("*frob_di_df_2"): New.
9177         ("*mov_sidf_e500_subreg0"): New.
9178         ("*mov_sidf_e500_subreg4"): New.
9179         ("*movdf_e500_double"): Change predicate to
9180         rs6k_nonimmediate_operand.
9181
9182 2005-01-14  Aldy Hernandez  <aldyh@redhat.com>
9183
9184         * postreload.c (move2add_note_store): Only call
9185         trunc_int_for_mode on scalar integers.
9186
9187 2005-01-14  Steven Bosscher  <stevenb@suse.de>
9188
9189         * tree-ssa-dce.c (visited_control_parents): New sbitmap to
9190         replace BB_VISITED uses.
9191         (find_obviously_necessary_stmts): Don't clear BB_VISITED.
9192         (propagate_necessity): Check the bitmap instead of BB_VISITED.
9193         (tree_dce_done): Free visited_control_parents.
9194         (perform_tree_ssa_dce): Allocate and clear it.
9195         * tree-ssa-pre.c (compute_antic_aux): Make non-recursive.
9196         (compute_antic): Iterate from here using a DFS.  Use an sbitmap
9197         instead of BB_VISITED.
9198
9199 2005-01-14  Kazu Hirata  <kazu@cs.umass.edu>
9200
9201         * c-tree.h, coverage.h, langhooks-def.h, optabs.h, output.h,
9202         rtl.h, targhooks.h, tree-flow.h, tree-mudflap.h, tree.h:
9203         Remove unused prototypes.
9204
9205 2005-01-14  Aldy Hernandez  <aldyh@redhat.com>
9206
9207         * config/rs6000/rs6000.c (rs6000_stack_info): Fix caching of SPE
9208         64-bit register usage.
9209         (spe_func_has_64bit_regs_p): Add FIXME note.
9210
9211 2005-01-14  Aldy Hernandez  <aldyh@redhat.com>
9212
9213         * config/rs6000/rs6000.c (rs6000_generate_compare): Replace
9214         flag_finite_math_only with flag_unsafe_math_optimizations.
9215
9216 2005-01-14  J. D. Johnston  <jjohnst@us.ibm.com>
9217
9218         * config/s390/tpf-unwind.h (s390_fallback_frame_state): Correct
9219         end-of-stack check.
9220         (__tpf_eh_return): Copy TPF private stack area from the module
9221         boundary stack frame.  Add check for when module addresses are
9222         equal, but no stub address is found.
9223
9224 2005-01-14  Richard Earnshaw  <rearnsha@arm.com>
9225
9226         PR target/7525
9227         * arm.h (struct machine_function): Add call_via field.
9228         (thumb_call_via_label): Declare.
9229         * arm.c (thumb_call_via_label): New variable.
9230         (thumb_call_reg_needed): New variable.
9231         (arm_output_function_epilogue): For Thumb code, output any per-function
9232         call-indirect trampolines.
9233         (thumb_call_via_reg): New function.
9234         (arm_file_end): New function.
9235         (TARGET_ASM_FILE_END): Call arm_file_end.
9236         (aof_file_end): Likewise.
9237         * arm-protos.h (thumb_call_via_reg): Declare.
9238         * arm.md (call_reg_thumb, call_value_reg_thumb): Call
9239         thumb_call_via_reg in normal case.
9240
9241 2005-01-14  Jakub Jelinek  <jakub@redhat.com>
9242
9243         PR middle-end/19084
9244         PR rtl-optimization/19348
9245         * recog.c (peephole2_optimize): Do global life update if some peephole
9246         decides it doesn't need at least one of its inputs and that change
9247         influences liveness at the start of the basic block.
9248
9249         * basic-block.h (EXECUTE_IF_AND_COMPL_IN_REG_SET): Needs 2 REGSET
9250         arguments instead of 1.
9251
9252 2005-01-14  Eric Botcazou  <ebotcazou@libertysurf.fr>
9253
9254         PR middle-end/18820
9255         * varasm.c (initializer_constant_valid_p) <ADDR_EXPR>: Return
9256         zero for nested functions needing a static chain or functions
9257         with a non-constant address.
9258
9259 2005-01-13  Roger Sayle  <roger@eyesopen.com>
9260
9261         * simplify-rtx.c (simplify_binary_operation) <AND>: Optimize
9262         (and (sign_extend X) C) into (zero_extend (and X C)).
9263
9264 2005-01-13  David O'Brien  <obrien@FreeBSD.org>
9265
9266         * config/freebsd-spec.h:  Make KSE pthread lib logic the default.
9267
9268 2005-01-13  Richard Henderson  <rth@redhat.com>
9269
9270         PR target/19009
9271         PR target/19250
9272         PR target/19252
9273         * config/i386/i386.md (cmpdf, cmpsf, bunordered, bordered, buneq,
9274         bunge, bungt, bunle, bunlt, bltgt): Enable for TARGET_SSE_MATH,
9275         not just TARGET_SSE.
9276         (cmpfp_i_387): Rename from cmpfp_i.  Move after sse patterns.
9277         (cmpfp_i_mixed): Rename from cmpfp_i_sse; use for TARGET_MIX_SSE_I387.
9278         (cmpfp_i_sse): Rename from cmpfp_i_sse_only; use for TARGET_SSE_MATH.
9279         (cmpfp_iu_mixed, cmpfp_iu_sse, cmpfp_iu_387): Similarly.
9280         (fp_jcc_1_mixed, fp_jcc_1_sse, fp_jcc_1_387): Similarly.
9281         (fp_jcc_2_mixed, fp_jcc_2_sse, fp_jcc_2_387): Similarly.
9282         (fp_jcc_3_387, fp_jcc_4_387, fp_jcc_5_387, fp_jcc_6_387,
9283         fp_jcc_7_387, fp_jcc_8_387): Rename from fp_jcc_N.
9284         (movdicc_c_rex64): Rename with '*'.
9285         (movsfcc, movdfcc): Add checks for 387 and sse math to condition.
9286         (movsfcc_1_sse_min, movsfcc_1_sse_max, movsfcc_1_sse): New.
9287         (movsfcc_1_387): Rename from movsfcc_1.
9288         (movdfcc_1_sse_min, movdfcc_1_sse_max, movdfcc_1_sse): New.
9289         (movdfcc_1, movdfcc_1_rex64): Add check for 387.
9290         (sminsf3, smaxsf3, smindf3, smaxdf3): New.
9291         (minsf3, minsf, minsf_nonieee, minsf_sse, mindf3, mindf,
9292         mindf_nonieee, mindf_sse, maxsf3, maxsf, maxsf_nonieee, maxsf_sse,
9293         maxdf3, maxdf, maxdf_nonieee, maxdf_sse, sse_movsfcc, sse_movsfcc_eq,
9294         sse_movdfcc, sse_movdfcc_eq, sse_movsfcc_const0_1,
9295         sse_movsfcc_const0_2, sse_movsfcc_const0_3, sse_movsfcc_const0_4,
9296         sse_movdfcc_const0_1, sse_movdfcc_const0_2, sse_movdfcc_const0_3,
9297         sse_movdfcc_const0_4): Remove.
9298         * config/i386/i386.c (ix86_expand_fp_movcc): For TARGET_SSE_MATH,
9299         recognize min/max early.  Update for changed sse cmove patterns.
9300         (ix86_split_sse_movcc): New.
9301         * config/i386/i386-protos.h: Update.
9302
9303 2005-01-13  Steven Bosscher  <stevenb@suse.de>
9304
9305         * tree-ssa-dse.c (fix_phi_uses): Use SSA operand iterators.
9306         (fix_stmt_v_may_defs): Likewise.
9307
9308 2005-01-13  Richard Henderson  <rth@redhat.com>
9309
9310         * config/i386/i386.c (ix86_expand_fp_absneg_operator): Use elt_mode
9311         for converting the mask.
9312
9313 2005-01-13  David Edelsohn  <edelsohn@gnu.org>
9314
9315         * config/rs6000/aix52.h (CPLUSPLUS_CPP_SPEC): Change _XOPEN_SOURCE
9316         definition to 600.
9317
9318 2005-01-13  Richard Henderson  <rth@redhat.com>
9319
9320         * config/i386/i386.c (IX86_BUILTIN_MOVQ, IX86_BUILTIN_LOADD,
9321         IX86_BUILTIN_STORED, IX86_BUILTIN_MOVQ2DQ,
9322         IX86_BUILTIN_MOVDQ2Q): Remove.
9323         (IX86_BUILTIN_VEC_EXT_V4SI): New.
9324         (ix86_init_mmx_sse_builtins, ix86_expand_builtin): Update to match.
9325         (ix86_expand_vector_extract): For V4S[FI], extract element 0 after
9326         shuffling.
9327         * config/i386/sse.md (sse_concatv2sf): Accept zero operand 2.
9328         (sse2_pextrw): Fix immediate constraint.
9329         (sse2_loadq, sse2_loadq_rex64): Remove.
9330         * config/i386/emmintrin.h (_mm_cvtsi128_si32, _mm_cvtsi128_si64x):
9331         Use __builtin_ia32_vec_ext_<size>.
9332         (_mm_cvtsi32_si128, _mm_cvtsi64x_si128): Use _mm_set_epi<size>.
9333
9334 2005-01-13  Aldy Hernandez  <aldyh@redhat.com>
9335
9336         * function.c (assign_parm_setup_block): Look inside original
9337         entry_parm when inspecting PARALLEL.
9338
9339 2005-01-13  Ralf Corsepius  <ralf.corsepius@rtems.org>
9340             Joel Sherrill  <joel@oarcorp.com>
9341
9342         PR target/19399
9343         * gthr-rtems.h (__gthread_recursive_mutex_t): New type.
9344         (__GTHREAD_RECURSIVE_MUTEX_INIT_FUNCTION): Define to
9345         rtems_gxx_recursive_mutex_init.
9346         (__gthread_recursive_mutex_lock): New function.
9347         (__gthread_recursive_mutex_trylock): Likewise.
9348         (__gthread_recursive_mutex_unlock): Likewise.
9349
9350 2005-01-13  Ralf Corsepius <ralf.corsepius@rtems.org>
9351
9352         * config/i386/t-rtems-i386: Multilib on -mtune instead of -mcpu.
9353
9354 2005-01-13  Jan Beulich  <jbeulich@novell.com>
9355
9356         * config/ia64/ia64.md (ashlti3, ashlti3_internal): New.
9357         (ashrti3_internal): Indicate output is early clobber. Generate result
9358         into output rather than first input. Use move for low word of output
9359         if shift count is exactly 64.
9360         (lshrti3_internal): Likewise.
9361
9362 2005-01-13  Hans-Peter Nilsson  <hp@bitrange.com>
9363
9364         PR target/18329
9365         PR target/18330
9366         * reload1.c (delete_output_reload): Don't delete an output reload
9367         if the pseudo lives longer than a single basic block.  Adjust and
9368         improve wording of comment.
9369
9370 2005-01-12  Andrew Pinski  <pinskia@physics.uc.edu>
9371
9372         PR target/19334
9373         * config/darwin.c (machopic_select_section): Use TYPE_SIZE_UNIT instead
9374         of TYPE_SIZE where we mean the number of bytes.
9375
9376 2005-01-12  Aldy Hernandez  <aldyh@redhat.com>
9377
9378         * function.c (assign_parm_setup_block): Relax condition on
9379         multi-register optimization.
9380
9381 2005-01-12  Nick Clifton  <nickc@redhat.com>
9382
9383         * config/sh/sh.md (udivsi3_sh2a, divsi3_sh2a): Give these patterns
9384         an "in_delay_slot" attribute of "no" to prevent them being used in
9385         delay slots.  This is forbidden because they might generate
9386         exceptions.
9387
9388 2005-01-12  Alan Modra  <amodra@bigpond.net.au>
9389
9390         PR target/19389
9391         * config/rs6000/rs6000.md (movtf_internal): Replace r->o and m->r
9392         with r->Y and Y->r.
9393
9394 2005-01-12  Nick Clifton  <nickc@redhat.com>
9395
9396         * config/iq2000/iq2000.h (ASM_SPEC): Undefine (to stop -Qy being
9397         passed on to GAS) but do not define, as GAS no longer supports or
9398         needs the -m2000 option.
9399
9400 2005-01-11  Roger Sayle  <roger@eyesopen.com>
9401
9402         * builtins.c (fold_builtin_fabs): Convert argument to the appropriate
9403         type as args of unprototyped builtins aren't automatically promoted.
9404         (fold_builtin_abs): Likewise.
9405
9406 2005-01-11  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
9407
9408         * Makefile.in: Set a `build-warn' variable.
9409
9410 2005-01-11  Zdenek Dvorak  <dvorakz@suse.cz>
9411
9412         PR tree-optimization/17949
9413         * tree-ssa-loop-ivopts.c (may_be_unaligned_p): New function.
9414         (find_interesting_uses_address): Use it.
9415
9416 2005-01-11  Aldy Hernandez  <aldyh@redhat.com>
9417
9418         * regrename.c (kill_value): Handle subreg's that won't simplify.
9419
9420 2005-01-11  Richard Henderson  <rth@redhat.com>
9421
9422         PR target/13366
9423         * config/i386/i386.h (enum ix86_builtins): Move ...
9424         * config/i386/i386.c: ... here.
9425         (IX86_BUILTIN_MOVDDUP, IX86_BUILTIN_MMX_ZERO, IX86_BUILTIN_PEXTRW,
9426         IX86_BUILTIN_PINSRW, IX86_BUILTIN_LOADAPS, IX86_BUILTIN_LOADSS,
9427         IX86_BUILTIN_STORESS, IX86_BUILTIN_SSE_ZERO, IX86_BUILTIN_PEXTRW128,
9428         IX86_BUILTIN_PINSRW128, IX86_BUILTIN_LOADAPD, IX86_BUILTIN_LOADSD,
9429         IX86_BUILTIN_STOREAPD, IX86_BUILTIN_STORESD,  IX86_BUILTIN_STOREHPD,
9430         IX86_BUILTIN_STORELPD, IX86_BUILTIN_SETPD1, IX86_BUILTIN_SETPD,
9431         IX86_BUILTIN_CLRPD, IX86_BUILTIN_LOADPD1, IX86_BUILTIN_LOADRPD,
9432         IX86_BUILTIN_STOREPD1, IX86_BUILTIN_STORERPD, IX86_BUILTIN_LOADDQA,
9433         IX86_BUILTIN_STOREDQA, IX86_BUILTIN_CLRTI,
9434         IX86_BUILTIN_LOADDDUP): Remove.
9435         (IX86_BUILTIN_VEC_INIT_V2SI, IX86_BUILTIN_VEC_INIT_V4HI,
9436         IX86_BUILTIN_VEC_INIT_V8QI, IX86_BUILTIN_VEC_EXT_V2DF,
9437         IX86_BUILTIN_VEC_EXT_V2DI, IX86_BUILTIN_VEC_EXT_V4SF,
9438         IX86_BUILTIN_VEC_EXT_V8HI, IX86_BUILTIN_VEC_EXT_V4HI,
9439         IX86_BUILTIN_VEC_SET_V8HI, IX86_BUILTIN_VEC_SET_V4HI): New.
9440         (ix86_init_builtins): Make static.
9441         (ix86_init_mmx_sse_builtins): Update for changed builtins.
9442         (ix86_expand_binop_builtin): Only use ix86_fixup_binary_operands
9443         if all the modes match.  Otherwise, fake it.
9444         (get_element_number, ix86_expand_vec_init_builtin,
9445         ix86_expand_vec_ext_builtin, ix86_expand_vec_set_builtin): New.
9446         (ix86_expand_builtin): Make static.  Update for changed builtins.
9447         (ix86_expand_vector_move_misalign): Use sse2_loadlpd with zero
9448         operand instead of sse2_loadsd.  Cast sse1 fallback to V4SFmode.
9449         (ix86_expand_vector_init_duplicate): New.
9450         (ix86_expand_vector_init_low_nonzero): New.
9451         (ix86_expand_vector_init_one_var, ix86_expand_vector_init_general):
9452         Split out from ix86_expand_vector_init; handle integer modes.
9453         (ix86_expand_vector_init): Use them.
9454         (ix86_expand_vector_set, ix86_expand_vector_extract): New.
9455         * config/i386/i386-protos.h: Update.
9456         * config/i386/predicates.md (reg_or_0_operand): New.
9457         * config/i386/mmx.md (mov<MMXMODEI>_internal): Add 'r' variants.
9458         (movv2sf_internal): Likewise.  And a splitter to match them all.
9459         (vec_dupv2sf, mmx_concatv2sf, vec_setv2sf, vec_extractv2sf,
9460         vec_initv2sf, vec_dupv4hi, vec_dupv2si, mmx_concatv2si, vec_setv2si,
9461         vec_extractv2si, vec_initv2si, vec_setv4hi, vec_extractv4hi,
9462         vec_initv4hi, vec_setv8qi, vec_extractv8qi, vec_initv8qi): New.
9463         (mmx_pinsrw): Fix operand ordering.
9464         * config/i386/sse.md (movv4sf splitter): Use direct pattern,
9465         rather than sse_loadss expander.
9466         (movv2df splitter): Similarly.
9467         (sse_loadss, sse_loadlss): Remove.
9468         (vec_dupv4sf, sse_concatv2sf, sse_concatv4sf, vec_extractv4sf_0): New.
9469         (vec_setv4sf, vec_setv2df): Use ix86_expand_vector_set.
9470         (vec_extractv4sf, vec_extractv2df): Use ix86_expand_vector_extract.
9471         (sse3_movddup): Rename with '*'.
9472         (sse3_movddup splitter): Use gen_rtx_REG instead of gen_lowpart.
9473         (sse2_loadsd): Remove.
9474         (vec_dupv2df_sse3): Rename from sse3_loadddup.
9475         (vec_dupv2df, vec_concatv2df_sse3, vec_concatv2df): New.
9476         (sse2_pinsrw): Fix argument ordering.
9477         (sse2_loadld, sse2_loadq): Add sse1 alternatives.
9478         (sse2_stored): Remove 'r' destination.
9479         (vec_dupv4si, vec_dupv2di, sse2_concatv2si, sse1_concatv2si,
9480         vec_concatv4si_1, vec_concatv2di, vec_setv2di, vec_extractv2di,
9481         vec_initv2di, vec_setv4si, vec_extractv4si, vec_initv4si,
9482         vec_setv8hi, vec_extractv8hi, vec_initv8hi, vec_setv16qi,
9483         vec_extractv16qi, vec_initv16qi): New.
9484
9485         * config/i386/emmintrin.h (__m128i, __m128d): Use typedef, not define.
9486         (_mm_set_sd, _mm_set1_pd, _mm_setzero_pd, _mm_set_epi64x,
9487         _mm_set_epi32, _mm_set_epi16, _mm_set_epi8, _mm_setzero_si128): Use
9488         constructor form.
9489         (_mm_load_pd, _mm_store_pd): Use plain dereference.
9490         (_mm_load_si128, _mm_store_si128): Likewise.
9491         (_mm_load1_pd): Use _mm_set1_pd.
9492         (_mm_load_sd): Use _mm_set_sd.
9493         (_mm_store_sd, _mm_storeh_pd): Use __builtin_ia32_vec_ext_v2df.
9494         (_mm_store1_pd, _mm_storer_pd): Use _mm_store_pd.
9495         (_mm_set_epi64): Use _mm_set_epi64x.
9496         (_mm_set1_epi64x, _mm_set1_epi64, _mm_set1_epi32, _mm_set_epi16,
9497         _mm_set1_epi8, _mm_setr_epi64, _mm_setr_epi32, _mm_setr_epi16,
9498         _mm_setr_epi8): Use _mm_set_foo form.
9499         (_mm_loadl_epi64, _mm_movpi64_epi64, _mm_move_epi64): Use _mm_set_epi64.
9500         (_mm_storel_epi64, _mm_movepi64_pi64): Use __builtin_ia32_vec_ext_v2di.
9501         (_mm_extract_epi16): Use __builtin_ia32_vec_ext_v8hi.
9502         (_mm_insert_epi16): Use __builtin_ia32_vec_set_v8hi.
9503         * config/i386/mmintrin.h (_mm_setzero_si64): Use plain cast.
9504         (_mm_set_pi32): Use __builtin_ia32_vec_init_v2si.
9505         (_mm_set_pi16): Use __builtin_ia32_vec_init_v4hi.
9506         (_mm_set_pi8): Use __builtin_ia32_vec_init_v8qi.
9507         (_mm_set1_pi16, _mm_set1_pi8): Use _mm_set_piN variant.
9508         * config/i386/pmmintrin.h (_mm_loaddup_pd): Use _mm_load1_pd.
9509         (_mm_movedup_pd): Use _mm_shuffle_pd.
9510         * config/i386/xmmintrin.h (_mm_setzero_ps, _mm_set_ss,
9511         _mm_set1_ps, _mm_set_ps, _mm_setr_ps): Use constructor form.
9512         (_mm_cvtpi16_ps, _mm_cvtpu16_ps, _mm_cvtpi8_ps, _mm_cvtpu8_ps,
9513         _mm_cvtps_pi8, _mm_cvtpi32x2_ps): Avoid __builtin_ia32_mmx_zero;
9514         Use _mm_setzero_ps.
9515         (_mm_load_ss, _mm_load1_ps): Use _mm_set* form.
9516         (_mm_load_ps, _mm_loadr_ps): Use raw dereference.
9517         (_mm_store_ss): Use __builtin_ia32_vec_ext_v4sf.
9518         (_mm_store_ps): Use raw dereference.
9519         (_mm_store1_ps): Use _mm_storeu_ps.
9520         (_mm_storer_ps): Use _mm_store_ps.
9521         (_mm_extract_pi16): Use __builtin_ia32_vec_ext_v4hi.
9522         (_mm_insert_pi16): Use __builtin_ia32_vec_set_v4hi.
9523
9524 2005-01-11  Stan Shebs  <shebs@apple.com>
9525
9526         * config/rs6000/rs6000.c (machopic_output_stub): Issue
9527         ldu instead of lwzu if 64-bit -mdynamic-no-pic.
9528
9529 2005-01-11  Andrew Pinski  <pinskia@physics.uc.edu>
9530
9531         PR target/18761
9532         * config/rs6000/rs6000.c (rs6000_special_round_type_align):
9533         Skip all DECLs except for FIELD_DECLs.
9534
9535 2005-01-11  Andreas Krebbel  <krebbel1@de.ibm.com>
9536
9537         * config/s390/s390.c (override_options): Return error if
9538         -mbackchain, -mpacked-stack and -mhard-float are used together.
9539         (s390_va_start): Remove the backchain && packed-stack special case.
9540         (s390_gimplify_va_arg): Likewise.
9541         * doc/invoke.texi: Remove the ABI incompatibility note.
9542
9543 2005-01-11  Andreas Krebbel  <krebbel1@de.ibm.com>
9544
9545         * config/s390/s390.c (struct s390_frame_layout): Remove
9546         save_backchain_p.
9547         (s390_frame_info, s390_emit_prologue): Replace occurrences of
9548         save_backchain_p with TARGET_BACKCHAIN.
9549
9550 2005-01-11  Alan Modra  <amodra@bigpond.net.au>
9551
9552         PR target/18916
9553         * builtins.c (std_gimplify_va_arg_expr): Adjust alignment of *ap.
9554         * expr.h (struct locate_and_pad_arg_data): Add "boundary".
9555         * function.c (locate_and_pad_parm): Set new field.
9556         (assign_parm_find_stack_rtl): Use it instead of FUNCTION_ARG_BOUNDARY.
9557         Tweak where_pad test to include "none".  Always set mem align for
9558         stack_parm.
9559         (assign_parm_adjust_stack_rtl): Discard stack_parm if alignment
9560         not sufficient for type.
9561         (assign_parm_setup_block): If stack_parm is zero on entry, always
9562         make a new stack local.  Block move old stack parm if necessary
9563         to new aligned stack local.
9564         (assign_parm_setup_stack): Use a block move to handle
9565         potentially misaligned entry_parm.
9566         (assign_parms_unsplit_complex): Specify required alignment when
9567         creating stack local.
9568         * calls.c (compute_argument_addresses): Override alignment of stack
9569         arg calculated from its type with the alignment given by
9570         FUNCTION_ARG_BOUNDARY.
9571         (store_one_arg): Likewise.
9572
9573 2005-01-11  Jan Beulich  <jbeulich@novell.com>
9574
9575         * config/ia64/ia64.md (zero_extendsidi2): Replace zxt4 by addp4.
9576         Change respective itanium_class attribute to ialu.
9577         (shladdp4_internal): New.
9578         * config/ia64/predicates.md (shladd_log2_operand): New.
9579
9580 2005-01-11  Richard Henderson  <rth@redhat.com>
9581
9582         * expr.c (store_constructor): Use rtvec_alloc instead of
9583         alloca+gen_rtvec_v, and an incorrect number passed to alloca.
9584
9585 2005-01-11  Kazu Hirata  <kazu@cs.umass.edu>
9586
9587         * config/alpha/alpha.c, config/i386/mmx.md: Fix comment typos.
9588
9589 2005-01-11  Alan Modra  <amodra@bigpond.net.au>
9590
9591         * varasm.c (default_section_type_flags_1): Don't set SECTION_SMALL.
9592         * config/ia64/ia64.c (TARGET_SECTION_TYPE_FLAGS): Define.
9593         (TARGET_RWRELOC): Define.
9594         (ia64_rwreloc_section_type_flags): Delete.
9595         (ia64_section_type_flags): New function.
9596         * config/ia64/hpux.h (TARGET_SECTION_TYPE_FLAGS): Don't define.
9597         (TARGET_RWRELOC): Define.
9598
9599 2005-01-10  David Mosberger  <davidm@hpl.hp.com>
9600
9601         PR target/18987
9602         * config/ia64/ia64.c (process_set): For alloc insn, only call
9603         process_epilogue is !frame_pointer_needed.
9604
9605 2005-01-10  Roger Sayle  <roger@eyesopen.com>
9606
9607         PR c++/19355
9608         * c-common.c (c_common_truthvalue_conversion): TRUTH_NOT_EXPR is a
9609         unary operator and can't be treated as a binary/comparison operator.
9610
9611 2005-01-10  Richard Henderson  <rth@redhat.com>
9612
9613         * config/i386/i386.c (ix86_function_value): Use type_natural_mode.
9614         (ix86_return_in_memory): Likewise.
9615         (function_arg_advance):  Likewise.  Mirror structure in function_arg
9616         for choosing register to advance.
9617
9618 2005-01-10  Kazu Hirata  <kazu@cs.umass.edu>
9619
9620         * tree-vectorizer.c, tree.def: Fix comment typos.
9621
9622 2005-01-10  Mark Dettinger  <dettinge@de.ibm.com>
9623
9624         * config/s390/s390.c (struct processor_costs): 4 new fields:
9625         ddbr, ddr, debr, der.
9626         (s390_rtx_costs): More precise handling of divide instructions.
9627
9628 2005-01-10  David Edelsohn  <edelsohn@gnu.org>
9629
9630         * config/rs6000/t-aix43 (BOOT_LDFLAGS): Define.
9631
9632 2005-01-10  Jan Beulich  <jbeulich@novell.com>
9633
9634         * config/ia64/ia64.c (ia64_in_small_data_p): Also handle the section
9635         names resulting from -ffunction-sections/-fdata-sections and linkonce
9636         ones.
9637         * varasm.c (default_section_type_flags_1): Also set SECTION_SMALL
9638         based on the section name. Rearrange the section name comparison logic
9639         slightly so that each section name is compared against at most once.
9640
9641 2005-01-10  Ben Elliston  <bje@au.ibm.com>
9642
9643         * doc/invoke.texi (Code Gen Options): Add PowerPC to the list of
9644         targets for which -fPIC reduces limitations on the GOT size.
9645
9646 2005-01-09  Falk Hueffner  <falk@debian.org>
9647
9648         * fold-const.c (fold): Also handle EXACT_DIV_EXPR when folding
9649         X/C1 cmpop C2.
9650
9651 2005-01-09  David Edelsohn  <edelsohn@gnu.org>
9652
9653         PR target/18720
9654         * collect2.c (main): Set aixrtl_flag for -brtl option.
9655         (resolve_lib_name): Search for .so file extension before .a
9656         if aixrtl_flag set.
9657
9658 2005-01-09  Dorit Naishlos  <dorit@il.ibm.com>
9659
9660         * tree-vectorizer.c (vect_enhance_data_refs_alignment): Add dump prints.
9661         (vect_analyze_data_refs_alignment): Add dump prints.
9662
9663 2005-01-09  Ira Rosen  <irar@il.ibm.com>
9664
9665         * tree-vectorizer.c (vect_analyze_offset_expr): Use
9666         expr_invariant_in_loop_p.
9667         Initialize outputs first thing in the function.
9668         (vect_update_ivs_after_vectorizer): Call initial_condition_in_loop_num.
9669         (vect_is_simple_iv_evolution): Call initial_condition_in_loop_num.
9670         (vect_analyze_pointer_ref_access): Check that the initial condition of
9671         the access function is loop invariant.
9672
9673 2005-01-09  Richard Henderson  <rth@redhat.com>
9674
9675         * config/i386/i386.c (bdesc_2arg): Update names for mmx_ prefixes.
9676         (ix86_expand_builtin): Likewise.  Frob MASKMOVQ wrt the input mem
9677         just like MASKMOVDQU.  Return plain zero for MMX_ZERO.
9678         * config/i386/i386.md (MMXMODEI, mov<MMXMODEI>,
9679         mov<MMXMODEI>_internal_rex64, mov<MMXMODEI>_internal, movv2sf,
9680         movv2sf_internal_rex64, movv2sf_internal, MMXMODE,
9681         movmisalign<MMXMODE>, mmx_pmovmskb, mmx_maskmovq, mmx_maskmovq_rex,
9682         sse_movntdi, addv8qi3, addv4hi3, addv2si3, mmx_adddi3, ssaddv8qi3,
9683         ssaddv4hi3, usaddv8qi3, usaddv4hi3, subv8qi3, subv4hi3, subv2si3,
9684         mmx_subdi3, sssubv8qi3, sssubv4hi3, ussubv8qi3, ussubv4hi3,
9685         mulv4hi3, smulv4hi3_highpart, umulv4hi3_highpart, mmx_pmaddwd,
9686         sse2_umulsidi3, mmx_iordi3, mmx_xordi3, mmx_anddi3, mmx_nanddi3,
9687         mmx_uavgv8qi3, mmx_uavgv4hi3, mmx_psadbw, mmx_pinsrw, mmx_pinsrw,
9688         mmx_pextrw, mmx_pshufw, eqv8qi3, eqv4hi3, eqv2si3, gtv8qi3, gtv4hi3,
9689         gtv2si3, umaxv8qi3, smaxv4hi3, uminv8qi3, sminv4hi3, ashrv4hi3,
9690         ashrv2si3, lshrv4hi3, lshrv2si3, mmx_lshrdi3, ashlv4hi3, ashlv2si3,
9691         mmx_ashldi3, mmx_packsswb, mmx_packssdw, mmx_packuswb, mmx_punpckhbw,
9692         mmx_punpckhwd, mmx_punpckhdq, mmx_punpcklbw, mmx_punpcklwd,
9693         mmx_punpckldq, emms, addv2sf3, subv2sf3, subrv2sf3, gtv2sf3, gev2sf3,
9694         eqv2sf3, pfmaxv2sf3, pfminv2sf3, mulv2sf3, femms, pf2id, pf2iw,
9695         pfacc, pfnacc, pfpnacc, pi2fw, floatv2si2, pfrcpv2sf2, pfrcpit1v2sf3,
9696         pfrcpit2v2sf3, pfrsqrtv2sf2, pfrsqit1v2sf3, pmulhrwv4hi3, pswapdv2si2,
9697         pswapdv2sf2): Move to mmx.md; rename as necessary with leading
9698         mmx_ prefix.
9699         (mmx_clrdi, pavgusb): Remove.
9700         (ldmxcsr, stmxcsr, sfence, sfence_insn): Move to sse.md; rename
9701         with leading sse_ prefix.
9702         * config/i386/sse.md: Receive them.
9703         * config/i386/mmx.md: New file.
9704         (MMXMODE12, MMXMODE24, mmxvecsize): New.
9705         (subrv2sf3): Turn into expander for normal subtraction.
9706         (mmx_addv2sf3, mmx_mulv2sf3, mmx_smaxv2sf3, mmx_sminv2sf3,
9707         mmx_eqv2sf3, mmx_mulv4hi3, mmx_smulv4hi3_highpart,
9708         mmx_umulv4hi3_highpart, mmx_pmaddwd, mmx_pmulhrwv4hi3, sse2_umulsidi3,
9709         mmx_umaxv8qi3, mmx_smaxv4hi3, mmx_uminv8qi3, mmx_sminv4hi3): Mark
9710         commutative; use ix86_binary_operator_ok.
9711         (mmx_add<MMXMODEI>3, mmx_ssadd<MMXMODE12>3, mmx_usadd<MMXMODE12>3,
9712         mmx_sub<MMXMODEI>3, mmx_sssub<MMXMODE12>3, mmx_ussub<MMXMODE12>3
9713         mmx_ashr<MMXMODE24>3, mmx_lshr<MMXMODE23>3, mmx_ashl<MMXMODE24>3
9714         mmx_eq<MMXMODEI>3, mmx_gt<MMXMODEI>3, mmx_and<MMXMODEI>3,
9715         mmx_nand<MMXMODEI>3, mmx_ior<MMXMODEI>3, mmx_xor<MMXMODEI>3):
9716         Macroize from existing patterns; use ix86_binary_operator_ok.
9717         (mmx_packsswb, mmx_packssdw, mmx_packuswb): Add memory alternative.
9718         (mmx_punpckhbw, mmx_punpcklbw, mmx_punpckhwd, mmx_punpcklwd,
9719         mmx_punpckhdq, mmx_punpckhdq, mmx_punpckldq): Likewise.  Model
9720         with vec_select+vec_concat.
9721         (mmx_pshufw, mmx_pshufw_1): Likewise.
9722         (mmx_uavgv8qi3): Merge pavgusb.  Model correcty.
9723         (mmx_uavgv4hi3): Model correctly.
9724         * config/i386/mmintrin.h (_mm_and_si64, _mm_andnot_si64, _mm_or_si64,
9725         _mm_xor_si64): Remove casts.
9726
9727 2005-01-09  Zdenek Dvorak  <dvorakz@suse.cz>
9728
9729         PR tree-optimization/19224
9730         * tree-scalar-evolution.c (get_instantiated_value,
9731         set_instantiated_value): New functions.
9732         (instantiate_parameters_1): Cache the results.
9733         (instantiate_parameters, resolve_mixers): Initialize and free
9734         the cache.
9735
9736 2005-01-08  David Edelsohn  <edelsohn@gnu.org>
9737
9738         * config/i386/i386.md (addhi_4): Correct reference in comment.
9739         (addqi_4): Same.
9740
9741 2005-01-08  Richard Henderson  <rth@redhat.com>
9742
9743         * config/i386/emmintrin.h (_mm_cvtsi128_si32): Move earlier.
9744         (_mm_cvtsi128_si64x): Likewise.
9745         (_mm_srl_epi64, _mm_srl_epi32, _mm_srl_epi16, _mm_sra_epi32,
9746         _mm_sra_epi16, _mm_sll_epi64, _mm_sll_epi32, _mm_sll_epi16): Use
9747         the _mm_{srl,sll}i_foo counterpart, and _mm_cvtsi128_si32.
9748         * config/i386/i386-modes.def: Add V16HI, V32QI, V4DF, V8SF.
9749         * config/i386/i386-protos.h: Update.
9750         * config/i386/i386.c (print_operand): Add 'H'.
9751         (ix86_fixup_binary_operands): Split out from ...
9752         (ix86_expand_binary_operator): ... here.
9753         (ix86_fixup_binary_operands_no_copy): New.
9754         (ix86_expand_fp_absneg_operator): Handle vector mode results.
9755         (bdesc_2arg): Update names for sse{,2,3}_ prefixes.
9756         (ix86_init_mmx_sse_builtins): Remove *maskncmp* special cases.
9757         (safe_vector_operand): Use CONST0_RTX.
9758         (ix86_expand_binop_builtin): Use ix86_fixup_binary_operands.
9759         (ix86_expand_builtin): Merge CODE_FOR_sse2_maskmovdqu_rex64 and
9760         CODE_FOR_sse2_maskmovdqu.  Special case SSE version of MASKMOVDQU
9761         expansion.  Update names for sse{,2,3}_ prefixes.  Remove *maskncmp*
9762         special cases.
9763         * config/i386/i386.h (IX86_BUILTIN_CMPNGTSS): New.
9764         (IX86_BUILTIN_CMPNGESS): New.
9765         * config/i386/i386.md (UNSPEC_FIX_NOTRUNC): New.
9766         (attr type): Add sselog1.
9767         (attr unit, attr memory): Handle it.
9768         (movti, movti_internal, movti_rex64): Move near other integer moves.
9769         (movtf, movtf_internal): Move near other fp moves.
9770         (SSEMODE, SSEMODEI, vec_setv2df, vec_extractv2df, vec_initv2df,
9771         vec_setv4sf, vec_extractv4sf, vec_initv4sf, movv4sf, movv4sf_internal,
9772         movv2df, movv2df_internal, mov<SSEMODEI>, mov<SSEMODEI>_internal,
9773         movmisalign<SSEMODE>, sse_movups_1, sse_movmskps, sse_movntv4sf,
9774         sse_movhlps, sse_movlhps, sse_storehps, sse_loadhps, sse_storelps,
9775         sse_loadlps, sse_loadss, sse_loadss_1, sse_movss, sse_storess,
9776         sse_shufps, addv4sf3, vmaddv4sf3, subv4sf3, vmsubv4sf3, negv4sf2,
9777         mulv4sf3, vmmulv4sf3, divv4sf3, vmdivv4sf3, rcpv4sf2, vmrcpv4sf2,
9778         rsqrtv4sf2, vmrsqrtv4sf2, sqrtv4sf2, vmsqrtv4sf2, sse_andv4sf3,
9779         sse_nandv4sf3, sse_iorv4sf3, sse_xorv4sf3, sse2_andv2df3,
9780         sse2_nandv2df3, sse2_iorv2df3, sse2_xorv2df3, sse2_andv2di3,
9781         sse2_nandv2di3, sse2_iorv2di3, sse2_xorv2di3, maskcmpv4sf3,
9782         vmmaskcmpv4sf3, sse_comi, sse_ucomi, sse_unpckhps, sse_unpcklps,
9783         smaxv4sf3, vmsmaxv4sf3, sminv4sf3, vmsminv4sf3, cvtpi2ps, cvtps2pi,
9784         cvttps2pi, cvtsi2ss, cvtsi2ssq, cvtss2si, cvtss2siq, cvttss2si,
9785         cvttss2siq, addv2df3, vmaddv2df3, subv2df3, vmsubv2df3, mulv2df3,
9786         vmmulv2df3, divv2df3, vmdivv2df3, smaxv2df3, vmsmaxv2df3, sminv2df3,
9787         vmsminv2df3, sqrtv2df2, vmsqrtv2df2, maskcmpv2df3, vmmaskcmpv2df3,
9788         sse2_comi, sse2_ucomi, sse2_movmskpd, sse2_pmovmskb, sse2_maskmovdqu,
9789         sse2_maskmovdqu_rex64, sse2_movntv2df, sse2_movntv2di, sse2_movntsi,
9790         cvtdq2ps, cvtps2dq, cvttps2dq, cvtdq2pd, cvtpd2dq, cvttpd2dq,
9791         cvtpd2pi, cvttpd2pi, cvtpi2pd, cvtsd2si, cvtsd2siq, cvttsd2si,
9792         cvttsd2siq, cvtsi2sd, cvtsi2sdq, cvtsd2ss, cvtss2sd, cvtpd2ps,
9793         cvtps2pd, addv16qi3, addv8hi3, addv4si3, addv2di3, ssaddv16qi3,
9794         ssaddv8hi3, usaddv16qi3, usaddv8hi3, subv16qi3, subv8hi3, subv4si3,
9795         subv2di3, sssubv16qi3, sssubv8hi3, ussubv16qi3, ussubv8hi3, mulv8hi3,
9796         smulv8hi3_highpart, umulv8hi3_highpart, sse2_umulsidi3,
9797         sse2_umulv2siv2di3, sse2_pmaddwd, sse2_uavgv16qi3, sse2_uavgv8hi3,
9798         sse2_psadbw, sse2_pinsrw, sse2_pextrw, sse2_pshufd, sse2_pshuflw,
9799         sse2_pshufhw, eqv16qi3, eqv8hi3, eqv4si3, gtv16qi3, gtv8hi3,
9800         gtv4si3, umaxv16qi3, smaxv8hi3, uminv16qi3, sminv8hi3, ashrv8hi3,
9801         ashrv4si3, lshrv8hi3, lshrv4si3, lshrv2di3, ashlv8hi3, ashlv4si3,
9802         ashlv2di3, sse2_ashlti3, sse2_lshrti3, sse2_unpckhpd, sse2_unpcklpd,
9803         sse2_packsswb, sse2_packssdw, sse2_packuswb, sse2_punpckhbw,
9804         sse2_punpckhwd, sse2_punpckhdq, sse2_punpcklbw, sse2_punpcklwd,
9805         sse2_punpckldq, sse2_punpcklqdq, sse2_punpckhqdq, sse2_movupd,
9806         sse2_movdqu, sse2_movdq2q, sse2_movdq2q_rex64, sse2_movq2dq,
9807         sse2_movq2dq_rex64, sse2_loadd, sse2_stored, sse2_storehpd,
9808         sse2_loadhpd, sse2_storelpd, sse2_loadlpd, sse2_movsd, sse2_loadsd,
9809         sse2_loadsd_1, sse2_storesd, sse2_shufpd, sse2_clflush, sse2_mfence,
9810         mfence_insn, sse2_lfence, lfence_insn, mwait, monitor, addsubv4sf3,
9811         addsubv2df3, haddv4sf3, haddv2df3, hsubv4sf3, hsubv2df3, movshdup,
9812         movsldup, lddqu, loadddup, movddup): Move to sse.md.  Any with
9813         non-optabs meanings renamed with an "sse{,2,3}_" prefix at the
9814         same time.
9815         (SSEPUSH, push<SSEPUSH>): Remove.
9816         (MMXPUSH, push<MMXPUSH>): Remove.
9817         (sse_movaps, sse_movaps_1, sse_movups): Remove.
9818         (sse2_movapd, sse2_movdqa, sse2_movq): Remove.
9819         (sse2_andti3, sse2_nandti3, sse2_iorti3, sse2_xorti3): Remove.
9820         (sse_clrv4sf, sse_clrv2df, sse2_clrti): Remove.
9821         (maskncmpv4sf3, vmmaskncmpv4sf3): Remove.
9822         (maskncmpv2df3, vmmaskncmpv2df3): Remove.
9823         (ashrv8hi3_ti, ashrv4si3_ti, lshrv8hi3_ti, lshrv4si3_ti): Remove.
9824         (lshrv2di3_ti, ashlv8hi3_ti, ashlv4si3_ti, ashlv2di3_ti): Remove.
9825         * config/i386/athlon.md (athlon_sselog_load): Handle sselog1.
9826         (athlon_sselog_load_k8, athlon_sselog, athlon_sselog_k8): Likewise.
9827         * config/i386/ppro.md (ppro_sse_div_V4SF_load): Fix memory attr.
9828         (ppro_sse_log_V4SF_load): Similarly.  Handle sselog1.
9829         (ppro_sse_log_V4SF): Handle sselog1.
9830         * config/i386/predicates.md (const_0_to_1_operand): New.
9831         (const_0_to_255_mul_8_operand): New.
9832         (const_1_to_31_operand): Rename from const_int_1_31_operand.
9833         (const_2_to_3_operand, const_4_to_7_operand): New.
9834         * config/i386/sse.md: New file.
9835         (SSEMODE12, SSEMODE24, SSEMODE124, SSEMODE248, ssevecsize): New.
9836         (sse_movups): Rename from sse_movups_1.
9837         (sse_loadlss): Rename from sse_loadss_1.
9838         (andv4sf3, iorv4sf3, xorv4sf3, andv2df3): Remove the sse prefix
9839         from the name.
9840         (negv4sf2): Use ix86_expand_fp_absneg_operator.
9841         (absv4sf2, negv2df, absv2df): New.
9842         (addv4sf3): Add expander to call ix86_fixup_binary_operands_no_copy.
9843         (subv4sf3, mulv4sf3, divv4sf3, smaxv4sf3, sminv4sf3, andv4sf3,
9844         iorv4sf3, xorv4sf3, addv2df3, subv2df3, mulv2df3, divv2df3,
9845         smaxv2df3, sminv2df3, andv2df3, iorv2df3, xorv2df3, mulv8hi3,
9846         umaxv16qi3, smaxv8hi3, uminv16qi3, sminv8hi3): Likewise.
9847         (sse3_addsubv4sf3): Model correctly.
9848         sse3_haddv4sf3, sse3_hsubv4sf3, sse3_addsubv2df3, sse3_haddv2df3,
9849         sse3_hsubv2df3, sse2_ashlti3, sse2_lshrti3): Likewise.
9850         (sse_movhlps): Model with vec_select+vec_concat.
9851         (sse_movlhps, sse_unpckhps, sse_unpcklps, sse3_movshdup,
9852         sse3_movsldup, sse_shufps, sse_shufps_1, sse2_unpckhpd, sse3_movddup,
9853         sse2_unpcklpd, sse2_shufpd, sse2_shufpd_1, sse2_punpckhbw,
9854         sse2_punpcklbw, sse2_punpckhwd, sse2_punpcklwd, sse2_punpckhdq,
9855         sse2_punpckldq, sse2_punpckhqdq, sse2_punpcklqdq, sse2_pshufd,
9856         sse2_pshufd_1, sse2_pshuflw, sse2_pshuflw_1, sse2_pshufhw,
9857         sse2_pshufhw_1): Likewise.
9858         (neg<SSEMODEI>2, one_cmpl<SSEMODEI>2): New.
9859         (add<SSEMODEI>3, sse2_ssadd<SSEMODE12>3, sse2_usadd<SSEMODE12>3,
9860         sub<SSEMODEI>3, sse2_sssub<SSEMODE12>3, sse2_ussub<SSEMODE12>3,
9861         ashr<SSEMODE24>3, lshr<SSEMODE248>3, sse2_eq<SSEMODE124>3,
9862         sse2_gt<SSEMODDE124>3, and<SSEMODEI>3, sse_nand<SSEMODEI>3,
9863         ior<SSEMODEI>3, xor<SSEMODEI>3): Macroize from existing patterns.
9864         (addv4sf3, sse_vmaddv4sf3, mulv4sf3, sse_vmmulv4sf3, smaxv4sf3,
9865         sse_vmsmaxv4sf3, sminv4sf3, sse_vmsminv4sf3, addv2df3, sse2_vmaddv2df3,
9866         mulv2df3, sse2_vmmulv2df3, smaxv2df3, sse2_vmsmaxv2df3, sminv2df3,
9867         sse2_vmsminv2df3, umaxv16qi3, smaxv8hi3, uminv16qi3
9868         sminv8hi3): Mark commutative
9869         operands.  Use ix86_binary_operator_ok.
9870         (sse_unpckhps, sse_unpcklps, sse2_packsswb, sse2_packssdw,
9871         sse2_packuswb, sse2_punpckhbw, sse2_punpcklbw, sse2_punpckhwd,
9872         sse2_punpcklwd, sse2_punpckhdq, sse2_punpckldq, sse2_punpckhqdq,
9873         sse2_punpcklqdq): Allow operand2 in memory.
9874         (sse_movhlps, sse_movlhps, sse2_unpckhpd, sse2_unpcklpd
9875         sse2_movsd): Add memory alternatives.
9876         (sse_storelps): Turn expander into an insn; split after reload.
9877         (sse_storess, sse2_loadhpd, sse2_loadlpd): Add non-xmm inputs.
9878         (sse2_storehpd, sse2_storelpd): Add non-xmm outputs.
9879
9880 2005-01-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
9881
9882         * configure.ac (DWARF-2 debug_line): Use objdump.
9883         * configure: Regenerate.
9884
9885 2005-01-08  Jeff Law  <law@redhat.com>
9886             Diego Novillo  <dnovillo@redhat.com>
9887
9888         PR tree-optimization/18241
9889         * tree-nrv.c (tree_nrv): Ignore volatile return values.
9890         * tree-ssa-dse.c (dse_optimize_stmt): Do not optimize
9891         statements with volatile operands.
9892         * tree-ssa-operands.c (add_stmt_operand): Do add volatile
9893         operands after marking a statement with has_volatile_ops.
9894
9895 2005-01-08  Roger Sayle  <roger@eyesopen.com>
9896
9897         * tree.c (int_fits_type_p): Always honor integer constant
9898         TYPE_MIN_VALUE and TYPE_MAX_VALUE if they exist.
9899
9900 2005-01-08  Roger Sayle  <roger@eyesopen.com>
9901
9902         * ifcvt.c (find_if_case_1): Reinstate 2005-01-04 change, now that
9903         the latent bug in rtl_delete_block has been resolved.
9904
9905 2005-01-08  Richard Sandiford  <rsandifo@redhat.com>
9906
9907         * config/mips/t-iris6 (MULTILIB_DIRNAMES): Use -mabi argument values.
9908         (MULTILIB_OSDIRNAMES): Use the standard lib, lib32 and lib64.
9909
9910 2005-01-08  Richard Sandiford  <rsandifo@redhat.com>
9911
9912         * config/mips/t-slibgcc-irix (SHLIB_LINK): Install a copy of the
9913         library as @multilib_dir@/$(SHLIB_SONAME).
9914
9915 2005-01-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
9916
9917         * configure.ac (HAVE_AS_OFFSETABLE_LO10): Fix typo.
9918         * configure: Regenerate.
9919
9920 2005-01-07  Jakub Jelinek  <jakub@redhat.com>
9921
9922         * c-common.c (handle_mode_attribute): For ENUMERAL_TYPE, also copy
9923         TYPE_MODE.
9924
9925 2005-01-07  David Edelsohn  <edelsohn@gnu.org>
9926
9927         PR target/13674
9928         * config/rs6000/rs6000.c (rs6000_legitimize_reload_address):
9929         Convert non-word aligned offset address using ld/std into
9930         indirect address.
9931
9932 2005-01-07  Richard Henderson  <rth@redhat.com>
9933
9934         * config/i386/i386.md (sse_loadhps splitter): Fix operand number typo.
9935
9936 2005-01-07  Richard SAndiford  <rsandifo@redhat.com>
9937
9938         * tree.h (IS_EXPR_CODE_CLASS): Use a straight-forward range check.
9939
9940 2005-01-07  Jakub Jelinek  <jakub@redhat.com>
9941
9942         PR tree-optimization/19283
9943         * fold-const.c (fold_widened_comparison): Return NULL if shorter_type
9944         is not shorter than the original type.
9945
9946         PR rtl-optimization/19012
9947         * config/i386/i386.md (addqi_1_slp): Set memory attribute.
9948
9949         PR rtl-optimization/18861
9950         * cfgbuild.c (BLOCK_USED_BY_TABLEJUMP): Define.
9951         (FULL_STATE): Define.
9952         (mark_tablejump_edge): New function.
9953         (purge_dead_tablejump_edges): New function.
9954         (find_bb_boundaries): Use it.
9955
9956         PR tree-optimization/18828
9957         * builtins.c (expand_builtin_next_arg): Remove argument and all
9958         the argument checking.
9959         (expand_builtin): Adjust caller.
9960         (expand_builtin_va_start): Likewise.  Remove error for too many
9961         arguments.
9962         (fold_builtin_next_arg): Issue error for too many arguments.
9963         After checking arguments, replace them with magic arguments that
9964         prevent further checking of the args.
9965
9966 2005-01-06  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
9967
9968         * pa64-hpux.h (STARTFILE_SPEC): Fix typo in spec.
9969
9970 2005-01-06  Roger Sayle  <roger@eyesopen.com>
9971
9972         PR target/6077
9973         * gcc.c (input_suffix_matches): Tweak the semantics of %{.s:...}
9974         and %{.S:...} (and their negative variants) to test whether the
9975         input file is assembler or pre-processed-assembler independent of
9976         the actual filename extension.
9977
9978 2005-01-06  Roger Sayle  <roger@eyesopen.com>
9979
9980         * simplify-rtx.c (simplify_subreg): Simplify truncations of shifts
9981         of sign or zero extended values.
9982
9983 2005-01-06  Geoffrey Keating  <geoffk@apple.com>
9984
9985         * c-cppbuiltin.c (builtin_define_float_constants): Set __*_EPSILON__
9986         for IBM long double format correctly.
9987
9988 2005-01-06  Daniel Berlin <dberlin@dberlin.org>
9989
9990         Fix PR tree-optimization/18792
9991
9992         * tree-data-ref.c (build_classic_dist_vector): Change first_loop
9993         to first_loop_depth, and use loop depth instead of loop number.
9994         (build_classic_dir_vector): Ditto.
9995         (compute_data_dependences_for_loop): Use depth, not loop number.
9996         * tree-loop-linear.c (try_interchange_loops): Use loop depth, not loop
9997         number. Pass in loops, instead of loop numbers.
9998         (gather_interchange_stats): Ditto.
9999         (linear_transform_loops): Ditto.
10000
10001 2005-01-06  Richard Sandiford  <rsandifo@redhat.com>
10002
10003         PR rtl-opt/13299
10004         * loop.c (get_monotonic_increment, biased_biv_fits_mode_p,
10005         biv_fits_mode_p, extension_within_bounds_p): New functions.
10006         (check_ext_dependent_givs): Use them.
10007
10008 2005-01-06  Roger Sayle  <roger@eyesopen.com>
10009
10010         * cfgrtl.c (rtl_delete_block): A basic block may be followed by
10011         more than one barrier, in which case we should delete them all.
10012
10013 2005-01-06  Tobias Schlueter  <tobias.schlueter@physik.uni-muenchen.de>
10014
10015         * gcc.c (process_command): Change year in 'gcc --version' to 2005.
10016
10017 2005-01-05  Daniel Berlin  <dberlin@dberlin.org>
10018
10019         Fix PR middle-end/19286
10020         Fix PR debug/19267
10021         * dwarf2out.c (gen_subprogram_die): If we've already tried to
10022         output this subprogram, simply ignore this attempt to do it again.
10023         (add_abstract_origin_attribute): Don't abort trying to add the abstract
10024         origin attribute if it's not possible.
10025         (gen_block_die): Don't ignore subblocks of "unused" blocks.
10026         (decls_for_scope): Ditto.
10027         * gimple-low.c (mark_blocks_with_used_subblocks): Remove.
10028         (mark_used_blocks): Don't call mark_blocks_with_used_subblocks.
10029
10030 2005-01-05  Richard Henderson  <rth@redhat.com>
10031
10032         PR target/11327
10033         * config/i386/i386.c (BUILTIN_DESC_SWAP_OPERANDS): New.
10034         (bdesc_2arg): Use it.
10035         (ix86_expand_binop_builtin): Force operands into registers
10036         when optimizing.
10037         (ix86_expand_unop_builtin, ix86_expand_unop1_builtin,
10038         ix86_expand_sse_compare, ix86_expand_sse_comi,
10039         ix86_expand_builtin): Likewise.
10040
10041 2005-01-05  Richard Henderson  <rth@redhat.com>
10042
10043         * config/ia64/ia64.c (rtx_needs_barrier): Handle CONST_VECTOR
10044         and VEC_SELECT.
10045         * config/ia64/vect.md (mulv8qi3): Re-implement with mix_[rl].
10046         (mulv4hi3): Set itanium_class mmmul.
10047         (fpack_sfxf, fpack_xfsf, fpack_xfxf): Remove.
10048         (fpack): Rename from fpack_sfsf.
10049
10050 2005-01-05  Richard Henderson  <rth@redhat.com>
10051
10052         PR rtl-opt/10692
10053         * reload1.c (do_input_reload): Restrict the optimization deleteing
10054         a previous output reload to RELOAD_FOR_INPUT.
10055
10056 2005-01-05  Steven Bosscher  <stevenb@suse.de>
10057
10058         * combine.c (expand_compound_operation)  <ZERO_EXTRACT>: Add
10059         comment that we fall through after case.
10060         (mark_used_regs_combine): Don't expect a SIGN_EXTRACT in a SET_DEST.
10061         (distribute_links): Likewise.
10062         * cse.c (cse_insn): Likewise.
10063         * cselib.c (cselib_invalidate_mem): Likewise.
10064         * df.c: Update comments at the top of the file.
10065         (read_modify_subreg_p): Update comments here too.
10066         (df_def_record_1): Don't expect a SIGN_EXTRACT in a SET_DEST.
10067         * flow.c (mark_set_1): Likewise.
10068         (mark_used_regs): Likewise.
10069         * gcse.c (mems_conflict_for_gcse_p): Likewise.
10070         (canon_list_insert): Likewise.
10071         (mark_set): Likewise.
10072         (try_replace_reg): Likewise.
10073         (store_killed_in_insn): Likewise.
10074         * loop.c (count_one_set): Likewise.
10075         (basic_induction_var): Likewise.
10076         * postreload-gcse.c (find_mem_conflicts): Likewise.
10077         * postreload.c (reload_combine_note_store): Likewise.
10078         (move2add_note_store): Likewise.
10079         * reload.c (find_equiv_reg): Likewise.
10080         (mark_referenced_resources): Likewise.
10081         * rtlanal.c (set_noop_p): Likewise.
10082         (note_stores): Likewise.
10083         (note_uses): Likewise.
10084         * sched-deps.c (sched_analyze_1): Likewise.
10085         * sched-rgn.c (check_live_1): Likewise.
10086         (update_live_1): Likewise.
10087         * config/i860/i860.c: Likewise.
10088
10089         * rtl.dec (SIGN_EXTRACT): Document that this cannot appear as
10090         an lvalue.
10091         (ZERO_EXTRACT): Mention that this one can be an lvalue.
10092
10093         * doc/rtl.texi: Update documentation for bit-fields and SET.
10094
10095 2005-01-05  Roger Sayle  <roger@eyesopen.com>
10096
10097         * ifcvt.c (find_if_case_1): Revert 2005-01-04 change.
10098
10099 2005-01-05  Jan Hubicka  <jh@suse.cz>
10100             Richard Henderson  <rth@redhat.com>
10101
10102         PR target/18910
10103         * config/i386/i386.c (ix86_expand_move): Handle tls symbols
10104         with an offset.
10105
10106 2005-01-05  Richard Henderson  <rth@redhat.com>
10107
10108         PR target/12902
10109         * config/i386/i386.md (sse_movhps, sse_movlps): Remove.
10110         (sse_shufps): Change operand 3 to const_int_operand.
10111         (sse2_storelps): Fix typo in template.
10112         (sse_storehps, sse_loadhps, sse_storelps, sse_loadlps): New.
10113         * config/i386/i386.c (ix86_expand_vector_move_misalign): Use them.
10114         (ix86_expand_builtin): Likewise.
10115
10116 2005-01-05  Julian Brown  <julian@codesourcery.com>
10117
10118         * config/arm/arm.c (arm_return_in_memory): Treat complex types
10119         as aggregates for AAPCS ABIs.
10120
10121 2005-01-05  Stan Shebs  <shebs@apple.com>
10122
10123         * unwind-dw2-fde-darwin.c (examine_objects): Use 64-bit
10124         Mach-O getters if ppc64.
10125         * config/darwin.c (darwin_asm_output_dwarf_delta): Obey
10126         size argument.
10127         * config/darwin.h (ASM_PREFERRED_EH_DATA_FORMAT): Use
10128         signed four-byte field for global code case.
10129         (STARTFILE_SPEC): Avoid crt2.o for 64-bit compilation.
10130
10131 2005-01-05  Roger Sayle  <roger@eyesopen.com>
10132
10133         PR middle-end/19100
10134         * c-common.c: Include real.h.
10135         (c_common_truthvalue_conversion): Avoid destructively modifying expr.
10136         Correctly handle TREE_CONSTANT_OVERFLOW for INTEGER_CST.
10137         Correctly handle TREE_CONSTANT_OVERFLOW and NaNs for REAL_CST.
10138         * Makefile.in (c-common.o): Update dependencies.
10139
10140 2005-01-05  Joseph S. Myers  <joseph@codesourcery.com>
10141
10142         * c-parse.in (asm_string): Add trailing semicolon.
10143
10144 2005-01-05  Joseph S. Myers  <joseph@codesourcery.com>
10145
10146         * c-parse.in (asm_string): New.  Don't allow wide strings in
10147         'asm'.
10148         (simple_asm_expr, asm_argument, asm_operand, asm_clobbers): Use
10149         asm_string instead of STRING.
10150
10151 2005-01-05  Joseph S. Myers  <joseph@codesourcery.com>
10152
10153         * c-typeck.c (constructor_no_implicit): Remove.
10154         (set_designator, process_init_element): Don't check
10155         constructor_no_implicit.
10156
10157 2005-01-05  J"orn Rennecke <joern.rennecke@st.com>
10158             Kaz Kojima  <kkojima@gcc.gnu.org>
10159
10160         PR target/16482
10161         * lcm.c (create_pre_exit): New.
10162         (optimize_mode_switching): In MODE_ENTRY / MODE_EXIT case, set
10163         ENTRY_EXIT_EXTRA to 3.  Use create_pre_exit.
10164
10165 2004-01-05  Richard Earnshaw  <rearnsha@arm.com>
10166
10167         * arm.h (TARGET_OPTIONS): Correctly record -mhard-float and
10168         -msoft-float in target_float_switch.
10169         * arm.c (arm_override_options): Fix processing of target_float_switch.
10170
10171 2004-01-05  Richard Earnshaw  <rearnsha@arm.com>
10172
10173         * arm/vfp.md (arm_movsi_vfp): Hide VFP register classes from register
10174         preferencing.
10175
10176 2004-01-05  Uros Bizjak  <uros@kss-loka.si>
10177
10178         * doc/invoke.texi (Intel 386 and AMD x86-64 Options):
10179         Replace i387 with 'i386 compiler' in -mfpmath=sse option.
10180
10181 2005-01-04  Roger Sayle  <roger@eyesopen.com>
10182
10183         * ifcvt.c (find_if_case_1): Avoid creating an empty forwarder block,
10184         if deleting the then-block allows the test-block to fallthru to the
10185         else-block.
10186
10187 2005-01-04  Andrew Pinski  <pinskia@physics.uc.edu>
10188
10189         PR c/19152
10190         * c-decl.c (diagnose_mismatched_decls): Accept "extern inline" declared
10191         after the full declaration if the are in two different TUs.
10192
10193 2005-01-04  Richard Henderson  <rth@redhat.com>
10194
10195         PR tree-opt/19158
10196         * tree-sra.c (generate_one_element_init): Just
10197         call gimplify_and_add.
10198         (generate_element_init): Record the
10199         new referenced variables and mark them for renaming
10200         and split out to ...
10201         (generate_element_init_1): This.
10202         (scalarize_init): Don't call push_gimplify_context/
10203         pop_gimplify_context.
10204
10205 2005-01-04  Geoffrey Keating  <geoffk@apple.com>
10206
10207         * toplev.c (get_src_pwd): Handle failure of getpwd().
10208
10209 2005-01-04  Roger Sayle  <roger@eyesopen.com>
10210
10211         * fold-const.c (fold_single_bit_test): Delete unreachable handling
10212         of TRUTH_NOT_EXPR.
10213         (fold): Don't call fold_single_bit_test with a TRUTH_NOT_EXPR, as
10214         all the cases handled by it are inverted by invert_truthvalue.
10215
10216 2005-01-04  Eric Botcazou  <ebotcazou@libertysurf.fr>
10217
10218         * config/sparc/sparc.md (save_register_windowdi): Add missing mode.
10219         (save_register_windowsi): Likewise.
10220
10221 2005-01-04  Richard Henderson  <rth@redhat.com>
10222
10223         * tree-mudflap.c (mf_varname_tree): Fix thinko setting declname.
10224
10225 2005-01-04  Uros Bizjak  <uros@kss-loka.si>
10226
10227         PR middle-end/17767
10228         * cse.c (fold_rtx) [RTX_COMPARE, RTX_COMM_COMPARE]: Don't attempt
10229         any simplifications of vector mode comparison operators.
10230         * simplify-rtx.c (simplify_relational_operation): Fix variable name.
10231
10232 2005-01-04  Paolo Bonzini  <bonzini@gnu.org>
10233             Devang Patel  <dpatel@apple.com>
10234
10235         PR tree-optimization/18308
10236         * tree-if-conv.c (add_to_dst_predicate_list): Gimplify
10237         the operands before creating a new expression.
10238         * dojump.c (do_jump): Make drop_through_label available
10239         for all cases.  Add expansion of COND_EXPR.
10240
10241 2005-01-04  Ira Rosen  <irar@il.ibm.com>
10242
10243         * tree-vectorizer.c (vect_analyze_offset_expr): Test for
10244         INTEGER_CST instead of TREE_CONSTANT.
10245         (vect_gen_niters_for_prolog_loop): Test for INTEGER_CST
10246         instead of TREE_CONSTANT.
10247         (vect_analyze_pointer_ref_access): Test for INTEGER_CST
10248         instead of TREE_CONSTANT.
10249
10250 2005-01-04  Eric Botcazou  <ebotcazou@libertysurf.fr>
10251
10252         * tree-eh.c (replace_goto_queue): Return early if the queue is empty.
10253
10254 2005-01-04  Uros Bizjak  <uros@kss-loka.si>
10255
10256         PR target/19240
10257         * config/i386/i386.md (*fop_df_1_i387): Disable for TARGET_SSE_MATH.
10258         (*fop_df_1_i387): Disable for (TARGET_SSE2 && TARGET_SSE_MATH).
10259
10260 2005-01-03  Richard Henderson  <rth@redhat.com>
10261
10262         * fold-const.c (force_fit_type): Cope with types larger than 2 HWI.
10263         (fold_convert_const_int_from_int, fold_convert_const_int_from_real,
10264         fold_convert_const_real_from_real): Split out from ...
10265         (fold_convert_const): ... here.
10266
10267 2005-01-03  Richard Henderson  <rth@redhat.com>
10268
10269         PR target/19235
10270         * config/i386/i386.md (movdi_2): Separate SSE1 and SSE2 alternatives.
10271         (mov<MMXMODEI>_internal): Likewise.
10272         (movdf_nointeger): Prefer Y while not preferring, but allowing, x.
10273         Add V2SF case; use it for SSE1; don't use TI.
10274         (movdf_integer): Likewise.
10275         (mov<SSEMODEI>_internal, movti_internal): Force V4SF for SSE1.
10276
10277 2005-01-03  Ira Rosen  <irar@il.ibm.com>
10278
10279         * tree-vectorizer.c (vect_strip_conversions): New function.
10280         (vect_analyze_offset_expr): Call vect_strip_conversions. Add
10281         check for binary class.
10282
10283 2005-01-03  Daniel Berlin  <dberlin@dberlin.org>
10284
10285         Fix PR debug/17924
10286         Fix PR debug/19191
10287         * dwarf2out.c (block_ultimate_origin): Follow decl origin if origin
10288         is a decl.
10289         * gimple-low.c (mark_blocks_with_used_vars): New function.
10290         (mark_blocks_with_used_subblocks): Ditto.
10291         (mark_used_blocks): Ditto.
10292         (pass_mark_used_blocks): New pass.
10293         * tree-inline.c: Include debug.h.
10294         (expand_call_inline): Call outlining_inline_function here.
10295         * tree-optimize.c (init_tree_optimization_passes): Add
10296         pass_mark_used_blocks.
10297         * tree-pass.h (pass_mark_used_blocks): New.
10298         * Makefile.in (tree-inline.o): Add debug.h dependency.
10299
10300 2005-01-03  Geoffrey Keating  <geoffk@apple.com>
10301
10302         * config/darwin.c (darwin_handle_weak_import_attribute): Permit
10303         VAR_DECLs to have weak_import attribute.
10304
10305         * config/rs6000/darwin-fallback.c: Use 'ucontext_t' rather than
10306         'struct ucontext'.
10307
10308 2004-01-03  Steven Bosscher  <stevenb@suse.de>
10309
10310         * passes.c (rest_of_compilation): Don't run regmove if only
10311         flag_expensive_optimizations, require flag_regmove instead.
10312
10313 2005-01-03  Eric Botcazou  <ebotcazou@libertysurf.fr>
10314
10315         * config/sparc/litecoff.h (TARGET_OS_CPP_BUILTINS): Do not
10316         register "sparc".
10317         * config/sparc/sysv4-only.h (TARGET_OS_CPP_BUILTINS): Likewise.
10318         * config/sparc/rtemself.h (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
10319         * config/sparc/sol2-64.h (TARGET_SUB_OS_CPP_BUILTINS): Delete.
10320         * config/sparc/sp64-elf.h (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
10321
10322 2005-01-03  Richard Henderson  <rth@redhat.com>
10323
10324         * config/ia64/ia64.c (TARGET_VECTOR_MODE_SUPPORTED_P): New.
10325         (ia64_const_ok_for_letter_p): New.
10326         (ia64_const_double_ok_for_letter_p): New.
10327         (ia64_extra_constraint): New.
10328         (ia64_expand_vecint_compare): New.
10329         (ia64_expand_vcondu_v2si): New.
10330         (ia64_expand_vecint_cmov): New.
10331         (ia64_expand_vecint_minmax): New.
10332         (ia64_print_operand): Add 'v'.
10333         (ia64_preferred_reload_class): New.
10334         (ia64_vector_mode_supported_p): New.
10335         * config/ia64/ia64.h (UNITS_PER_SIMD_WORD): New.
10336         (PREFERRED_RELOAD_CLASS): Move to function.
10337         (CONST_OK_FOR_LETTER_P): Move to function.
10338         (CONST_DOUBLE_OK_FOR_LETTER_P): Move to function.
10339         (CONSTRAINT_OK_FOR_Q, CONSTRAINT_OK_FOR_R): Remove.
10340         (CONSTRAINT_OK_FOR_S, CONSTRAINT_OK_FOR_T): Remove.
10341         (EXTRA_CONSTRAINT): Move to function.
10342         * config/ia64/ia64.md: Include vect.md.
10343         (itanium_class): Add mmalua.
10344         (type): Handle it.
10345         * config/ia64/itanium1.md (1_mmalua): New.  Add it to bypasses.
10346         (1b_mmalua): New.
10347         * config/ia64/itanium2.md (2_mmalua, 2b_mmalua): Similarly.
10348         * config/ia64/predicates.md (gr_reg_or_0_operand): Accept any
10349         CONST0_RTX.
10350         (const_int_2bit_operand): New.
10351         (fr_reg_or_0_operand): New.
10352         * config/ia64/ia64-modes.def: Add vector modes.
10353         * config/ia64/ia64-protos.h: Update.
10354         * config/ia64/vect.md: New file.
10355
10356 2005-01-03  Richard Henderson  <rth@redhat.com>
10357
10358         * simplify-rtx.c (simplify_binary_operation): Handle VEC_CONCAT.
10359
10360 2005-01-03  Uros Bizjak  <uros@kss-loka.si>
10361
10362         PR target/19236
10363         * config/i386/i386.c (log1psf2): Change mode of operands[0,1]
10364         to SFmode.
10365         (log1pdf2): Change mode of operands[0,1] to DFmode.
10366
10367 2005-01-03  Eric Botcazou  <ebotcazou@libertysurf.fr>
10368
10369         * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Define to false.
10370         * config/sparc/linux.h (SPARC_RELAXED_ORDERING): Define to true.
10371         * config/sparc/linux64.h (SPARC_RELAXED_ORDERING): Likewise.
10372         * config/sparc/sparc.c (TARGET_RELAXED_ORDERING): Define to
10373         SPARC_RELAXED_ORDERING.
10374
10375 2005-01-03  Richard Henderson  <rth@redhat.com>
10376             Uros Bizjak  <uros@kss-loka.si>
10377
10378         PR target/14631
10379         * config/i386/i386.c (ix86_expand_builtin): [IX86_BUILTIN_PINSRW,
10380         IX86_BUILTIN_PINSRW128]: Fix wrong selector range in error message.
10381         * config/i386/i386.md (mmx_pinsrw, sse2_pinsrw): Fix selector
10382         handling.
10383         (*mmx_pinsrw, *sse2_pinsrw): New patterns.
10384         * config/i386/i386/predicates.md (const_pow2_1_to_8_operand,
10385         const_pow2_1_to_128_operand): New predicates.
10386
10387 2005-01-02  Greg McGary  <greg@mcgary.org>
10388
10389         * tree-mudflap.c (mf_varname_tree): decl_printable_name handles
10390         anonymous decls.
10391         (mf_xform_derefs_1) [RESULT_DECL, STRING_CST]: Handle as innermost
10392         object.  [ptr_type]: Remove unused variable.
10393         Remember nearest addressable array-element or record-component
10394         when checking bitfield components.  Tolerate empty BIND_EXPR.
10395
10396 2005-01-01  Richard Henderson  <rth@redhat.com>
10397
10398         * tree-vectorizer.c (vect_analyze_offset_expr): Strip conversions
10399         that don't narrow the value.  Fail for other conversions.
10400
10401 2005-01-01  Richard Henderson  <rth@redhat.com>
10402
10403         PR c/19031
10404         * c-decl.c (pop_file_scope): Call maybe_apply_pending_pragma_weaks.
10405         * c-lang.c (finish_file): Don't do it here.
10406         * objc/objc-act.c (objc_finish_file): Likewise.
10407
10408         * cgraph.c (decl_assembler_name_equal): New.
10409         (cgraph_node_for_asm, cgraph_varpool_node_for_asm): New.
10410         (cgraph_varpool_node): Actually link up cgraph_varpool_nodes.
10411         * cgraph.h (struct cgraph_varpool_node): Add next.
10412         (cgraph_node_for_asm, cgraph_varpool_node_for_asm): Declare.
10413         * varasm.c (assemble_alias): Mark the target as needed.
10414
10415 2005-01-01  Andrew Pinski  <pinskia@physics.uc.edu>
10416
10417         PR middle-end/19221
10418         * function.c (get_arg_pointer_save_area): Use entry_of_function
10419         instead of get_insns.
10420
10421 2005-01-01  Roger Sayle  <roger@eyesopen.com>
10422             Andrew Pinski  <pinskia@physics.uc.edu>
10423             James E. Wilson  <wilson@specifixinc.com>
10424
10425         PR rtl-optimization/12092
10426         * loop.c (emit_prefetch_instructions): Do nothing if PREFETCH_BLOCK
10427         is zero.
10428
10429 2005-01-01  Roger Sayle  <roger@eyesopen.com>
10430             Olivier Hainque  <hainque@act-europe.fr>
10431
10432         * tree.c (int_fits_type_p): A narrower type always fits in a
10433         wider one, except for negative values into unsigned types.
10434
10435 2005-01-01  Roger Sayle  <roger@eyesopen.com>
10436
10437         * tree.c (int_fits_type_p): Compare the result of force_fit_type
10438         with the original constant rather than require TREE_OVERFLOW.
10439
10440 2005-01-01  Steven Bosscher  <stevenb@suse.de>
10441
10442         PR middle-end/17544
10443         * c-decl.c (finish_function): If compiling C99, annotate the
10444         compiler generated return with the current file name and line 0.
10445         * tree-cfg.c (remove_useless_stmts_warn_notreached): Only warn if
10446         the source line is greater than 0.
10447         (remove_bb): Likewise.