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* final.c, ipa-inline.c, varasm.c: Fix comment typos.
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2005-04-23  Kazu Hirata  <kazu@cs.umass.edu>
2
3         * final.c, ipa-inline.c, varasm.c: Fix comment typos.
4
5 2005-04-23  Hans-Peter Nilsson  <hp@axis.com>
6
7         * config.gcc <cris-*>: Specify .opt files.
8         * config/cris/cris.opt, config/cris/elf.opt, config/cris/aout.opt,
9         config/cris/linux.opt: New files.
10         * config/cris/aout.h (CRIS_SUBTARGET_SWITCHES)
11         (CRIS_SUBTARGET_LONG_OPTIONS): Don't define.
12         (TARGET_ELF): Override to 0.
13         (CRIS_SUBTARGET_HANDLE_OPTION): Override to handle -melinux and
14         -melinux-stacksize=N.
15         * config/cris/cris.c: (cris_handle_option): New function.
16         (TARGET_DEFAULT_TARGET_FLAGS): Override.
17         (TARGET_HANDLE_OPTION): Override to cris_handle_option.
18         (cris_override_options): Use MASK_*, not TARGET_MASK_*.
19         * config/cris/cris.h (TARGET_MASK_SVINTO, TARGET_SVINTO,
20         (TARGET_MASK_CCINIT, TARGET_CCINIT, TARGET_MASK_PDEBUG)
21         (TARGET_PDEBUG, TARGET_MASK_SIDE_EFFECT_PREFIXES)
22         (TARGET_SIDE_EFFECT_PREFIXES, TARGET_MASK_EXPAND_MUL)
23         (TARGET_EXPAND_MUL, TARGET_MASK_STACK_ALIGN, TARGET_STACK_ALIGN)
24         (TARGET_MASK_CONST_ALIGN, TARGET_CONST_ALIGN)
25         (TARGET_MASK_DATA_ALIGN, TARGET_DATA_ALIGN)
26         (TARGET_MASK_PROLOGUE_EPILOGUE, TARGET_PROLOGUE_EPILOGUE)
27         (TARGET_MASK_ETRAX4_ADD, TARGET_ETRAX4_ADD)
28         (TARGET_MASK_ALIGN_BY_32, TARGET_ALIGN_BY_32, TARGET_MASK_ELF)
29         (TARGET_ELF, TARGET_MASK_LINUX, TARGET_LINUX)
30         (TARGET_MASK_AVOID_GOTPLT, TARGET_AVOID_GOTPLT)
31         (TARGET_MASK_MUL_BUG, TARGET_MUL_BUG, TARGET_SWITCHES)
32         (CRIS_SUBTARGET_SWITCHES, TARGET_OPTIONS)
33         (CRIS_SUBTARGET_LONG_OPTIONS): Don't define.
34         (TARGET_LINUX): Define 0.
35         (TARGET_DEFAULT): Use MASK_*, not TARGET_MASK_*.
36         (CRIS_SUBTARGET_DEFAULT): Define to 0, not TARGET_MASK_ELF.
37         (CRIS_SUBTARGET_DEFAULT): New empty default macro.
38         * config/cris/linux.h (CRIS_SUBTARGET_SWITCHES): Don't define.
39         (TARGET_LINUX): Override to 1.
40         (CRIS_SUBTARGET_DEFAULT): Use MASK_*, not TARGET_MASK_*.
41
42 2005-04-23  Nathan Sidwell  <nathan@codesourcery.com>
43
44         * haifa-sched.c (schedule_block): Fix thinko in previous
45         assertification patch.
46
47 2005-04-23  Richard Sandiford  <rsandifo@redhat.com>
48
49         * config.gcc (hppa[12]*-*-hpux10*): Add pa/pa-hpux.opt to
50         $extra_options.  Also add pa/pa-hpux1010.opt for hpux10.[1-9]*.
51         (hppa*64*-*-hpux11*): Add pa/pa-hpux1010.h to $tm_file.  Add
52         pa/pa-hpux.opt, pa/pa-hpux1010.opt and pa/pa64-hpux.opt to
53         $extra_options.  Also add pa/pa-hpux1111.opt for hpux11.[1-9]*.
54         (hppa[12]*-*-hpux11*): Add pa/pa-hpux1010.h to $tm_file.  Add
55         pa/pa-hpux.opt to $extra_options.  Also add pa/pa-hpux1111.opt
56         for hpux11.[1-9]*.
57         * config/pa/pa.h (architecture_type, rtx_def, pa_arch_string, pa_arch)
58         (pa_fixed_range_string, pa_cpu_string, pa_unix_string, target_flags)
59         (MASK_PA_11, MASK_DISABLE_FPREGS, TARGET_DISABLE_FPREGS)
60         (MASK_NO_SPACE_REGS, TARGET_NO_SPACE_REGS, MASK_JUMP_IN_DELAY)
61         (TARGET_JUMP_IN_DELAY, MASK_DISABLE_INDEXING, TARGET_DISABLE_INDEXING)
62         (MASK_PORTABLE_RUNTIME, TARGET_PORTABLE_RUNTIME, MASK_GAS, TARGET_GAS)
63         (MASK_SOFT_FLOAT, TARGET_SOFT_FLOAT, MASK_LONG_LOAD_STORE)
64         (TARGET_LONG_LOAD_STORE, MASK_FAST_INDIRECT_CALLS)
65         (TARGET_FAST_INDIRECT_CALLS, MASK_BIG_SWITCH, TARGET_BIG_SWITCH)
66         (MASK_PA_20, MASK_SIO, TARGET_SIO, MASK_GNU_LD, TARGET_GNU_LD)
67         (MASK_LONG_CALLS, TARGET_LONG_CALLS, TARGET_PA_11, TARGET_PA_20)
68         (TARGET_SWITCHES, SUBTARGET_SWITCHES, TARGET_OPTIONS)
69         (SUBTARGET_OPTIONS): Delete.
70         (TARGET_PA_10): Redefine in terms of TARGET_PA_11 and TARGET_PA_20.
71         (TARGET_SCHED_DEFAULT): Define to a PROCESSOR_* enum (PROCESSOR_8000)
72         instead of a string.
73         * config/pa/pa.c (pa_arch, pa_arch_string, pa_fixed_range_string)
74         (pa_cpu_string, pa_unix_string): Delete.
75         (pa_cpu): Initialize to TARGET_SCHED_DEFAULT.
76         (flag_pa_unix): Initialize based on TARGET_HPUX_11_11 and
77         TARGET_HPUX_10_10.
78         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
79         (pa_handle_option): New function.
80         (override_options): Remove handling of -march=, -mfixed-range=,
81         -mschedule= and -munix=.
82         * config/pa/pa-hpux.h (SUBTARGET_SWITCHES): Delete.
83         * config/pa/pa-hpux1010.h (SUBTARGET_OPTIONS): Delete.
84         * config/pa/pa-hpux10.h (SUBTARGET_OPTIONS): Delete.
85         * config/pa/pa-hpux1111.h (SUBTARGET_OPTIONS): Delete.
86         * config/pa/pa-hpux11.h (SUBTARGET_OPTIONS): Delete.
87         * config/pa/pa64-hpux.h (SUBTARGET_SWITCHES): Delete.
88         * config/pa/pa64-start.h (TARGET_PA_11, TARGET_PA_20): #undef before
89         redefining.
90         * config/pa/pa.opt: New file.
91         * config/pa/pa-hpux.opt: New file.
92         * config/pa/pa-hpux1010.opt: New file.
93         * config/pa/pa-hpux1111.opt: New file.
94         * config/pa/pa64-hpux.opt: New file.
95
96 2005-04-22  David S. Miller  <davem@davemloft.net>
97
98         * rtl.h (CONST_DOUBLE): Fix comment, a CONST_DOUBLE holds an
99         integer when it's mode is VOIDmode not DImode.
100
101 2005-04-22  Geoffrey Keating  <geoffk@apple.com>
102
103         * config/rs6000/rs6000.md (sync_add<mode>_internal,
104         sync_addshort_internal, sync_sub<mode>_internal, sync_andsi_internal,
105         sync_anddi_internal, sync_boolsi_internal, sync_booldi_internal,
106         sync_boolc<mode>_internal, sync_boolc<mode>_internal2,
107         sync_boolcc<mode>_internal, sync_lock_test_and_set<mode>): Use
108         "bne- $-xxx" rather than local labels.
109         (sync_lock_release<mode>): Add second operand.
110         (lwsync): Use .long rather than a more meaningful opcode.
111         * doc/md.texi (Standard Names): Add description of second
112         parameter to sync_lock_test_and_set.
113
114 2005-04-23  Kazu Hirata  <kazu@cs.umass.edu>
115
116         PR tree-optimization/21088
117         * fold-const.c (fold_unary, fold_binary, fold_ternary):
118         Export.
119         * tree-vrp.c (compare_values): Use fold_binary to compare
120         pointers.  Use boolean_type_node as the type of a comparison
121         expression being folded.
122         * tree.h: Add prototypes for fold_unary, fold_binary,
123         fold_ternary.
124
125         * tree-ssa-dom.c: Fix formatting.
126
127 2005-04-22  Diego Novillo  <dnovillo@redhat.com>
128
129         * Makefile.in (tree-into-ssa.o): Add dependency on PARAMS_H.
130         * lambda-code.c (perfect_nestify): Mark virtual operands in
131         the moved statement for renaming.
132         * params.def (PARAM_MIN_VIRTUAL_MAPPINGS): Define.
133         (PARAM_VIRTUAL_MAPPINGS_TO_SYMS_RATIO): Define.
134         * params.h (MIN_VIRTUAL_MAPPINGS): Define.
135         (VIRTUAL_MAPPINGS_TO_SYMS_RATIO): Define.
136         * tree-flow.h (struct var_ann_d): Update comments.
137         (rewrite_to_new_ssa_names_bb, rewrite_to_new_ssa_names,
138         allocate_ssa_names, find_phi_node_for, dump_tree_ssa,
139         debug_tree_ssa, debug_def_blocks, dump_tree_ssa_stats,
140         debug_tree_ssa_stats, rewrite_ssa_into_ssa,
141         dump_repl_tbl, debug_repl_tbl, dump_names_replaced_by,
142         debug_names_replaced_by): Remove declarations.
143         (delete_update_ssa, get_current_def, set_current_def): Declare.
144         (rewrite_into_loop_closed_ssa): Add new argument.  Update
145         all callers.
146         * tree-into-ssa.c: Include params.h.
147         (old_virtual_ssa_names): Remove.  Update all users.
148         (need_to_replace_names_p): Remove.  Update all users.
149         (struct update_ssa_stats_d): Declare.
150         (update_ssa_stats): New local.
151         (dump_tree_ssa, debug_tree_ssa, debug_def_blocks,
152         dump_tree_ssa_stats, debug_tree_ssa_stats,
153         dump_update_ssa, debug_update_ssa,
154         dump_names_replaced_by, debug_names_replaced_by): Declare.
155         (get_current_def, set current_def): Make extern.
156         (is_old_name, is_new_name): Protect against references
157         past the end of the sets.
158         (add_new_name_mapping): Assert that OLD and NEW are
159         different SSA names for the same symbol.
160         When adding a virtual mapping, update stats for virtual
161         mapping heuristic.
162         (insert_phi_nodes_for): If UPDATE_P is true, create the
163         LHS of the new PHI by duplicating SSA name VAR.
164         (insert_phi_nodes_1): Remove.  Update all users.
165         (insert_phi_nodes): Remove second argument.  Update all
166         users.
167         (maybe_replace_use, maybe_replace_def): New.
168         (rewrite_update_stmt): Call them.
169         (mark_def_interesting): Remove calls to is_gimple_reg.
170         (prepare_phi_args_for_update): Remove.  Update all users.
171         (prepare_block_for_update): Only process virtual operands
172         and GIMPLE registers in normal form.
173         (prepare_use_sites_for): New.
174         (prepare_names_to_update): Rename from prepare_def_sites.
175         Call prepare_use_sites_for.
176         (dump_update_ssa): Rename from dump_repl_tbl.
177         Update all users.
178         Show statistics for virtual mapping heuristic.
179         (debug_update_ssa): Rename from debug_debug_repl_tbl.
180         (init_update_ssa): Initialize UPDATE_SSA_STATS.
181         (delete_update_ssa): Make extern.
182         (mark_set_for_renaming): If the set is empty, do nothing.
183         (release_ssa_name_after_update_ssa): Update comment.
184         (insert_updated_phi_nodes_for): Do not remove existing
185         PHI nodes for symbols.
186         (switch_virtuals_to_full_rewrite_p): New.
187         (switch_virtuals_to_full_rewrite): New.
188         (update_ssa): Call them.
189         Clear REWRITE_THIS_STMT and REGISTER_DEFS_IN_THIS_STMT
190         for every statement before updating.
191         If all the names in NEW_SSA_NAMES have been marked for
192         removal, do nothing.
193         Only start at the top of the CFG if there are symbols in
194         SYMS_TO_RENAME.
195         (ssa_rewrite_finalize_block): Remove.
196         (ssa_register_new_def): Remove.
197         (ssa_rewrite_stmt): Remove.
198         (ssa_rewrite_phi_arguments): Remove.
199         (ssa_rewrite_initialize_block): Remove.
200         (ssa_mark_def_sites): Remove.
201         (ssa_mark_def_sites_initialize_block): Remove.
202         (ssa_mark_phi_uses): Remove.
203         (rewrite_ssa_into_ssa): Remove.
204         * tree-phinodes.c (find_phi_node_for): Remove.
205         * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely):
206         Call update_ssa.
207         * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops):
208         Remove calls to verify_dominators and
209         verify_loop_structure.
210         (tree_unswitch_single_loop): Call update_ssa.
211         * tree-ssa.c (verify_ssa): Assert that need_ssa_update_p
212         returns false.
213         Call verify_stmts.
214         (delete_tree_ssa): Assert that need_ssa_update_p returns
215         false.
216         * tree-vect-transform.c (vect_transform_loop): Call update_ssa.
217         * tree-vectorizer.c (allocate_new_names, rename_def_op,
218         free_new_names): Remove.  Update all users.
219         (rename_use_op): Call get_current_def.
220         (rename_variables_in_bb): Do not handle any real or
221         virtual definition.
222         (slpeel_update_phis_for_duplicate_loop): Call
223         get_current_def and set_current_def instead of using
224         SSA_NAME_AUX.
225         (slpeel_update_phi_nodes_for_guard2): Reformat comments.
226         (slpeel_can_duplicate_loop_p): Call need_ssa_update_p,
227         ssa_names_to_replace and delete_update_ssa.
228         * doc/invoke.texi: Document --param min-virtual-mappings
229         and --param virtual-mappings-ratio.
230
231 2005-04-22  Zdenek Dvorak  <dvorakz@suse.cz>
232             Diego Novillo  <dnovillo@redhat.com>
233
234         * tree-cfg.c (tree_duplicate_bb): Call create_new_def_for
235         for newly created PHI nodes.
236         Call create_new_def_for for every new V_MAY_DEF and
237         V_MUST_DEF on the copied statement.
238         (struct ssa_name_map_entry): Remove.
239         (ssa_name_map_entry_hash): Remove.
240         (ssa_name_map_entry_eq): Remove.
241         (allocate_ssa_names): Remove.
242         (rewrite_to_new_ssa_names_def): Remove.
243         (rewrite_to_new_ssa_names_use): Remove.
244         (rewrite_to_new_ssa_names_bb): Remove.
245         (rewrite_to_new_ssa_names): Remove.
246         (tree_duplicate_sese_region): Remove variables ver,
247         definitions, phi, ssa_name_map and bi.
248         Call need_ssa_update_p instead of any_marked_for_rewrite_p.
249         Call update_ssa.
250         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Call
251         update_ssa instead of rewrite_ssa_into_ssa.
252         * tree-ssa-loop-manip.c (add_exit_phis_edge): Call
253         create_new_def_for.
254         (find_uses_to_rename_use): Add argument 'need_phis'.
255         (find_uses_to_rename_stmt): Do not scan virtual operands.
256         (find_uses_to_rename): Only scan PHI nodes for
257         non-virtual names.
258         (rewrite_into_loop_closed_ssa): Call update_ssa.
259         (check_loop_closed_ssa_use): Ignore virtual operands.
260         (check_loop_closed_ssa_stmt): Likewise.
261         (verify_loop_closed_ssa): Do nothing if CURRENT_LOOPS is
262         NULL.
263         (rename_variables, set_phi_def_stmts): Remove.
264         (tree_duplicate_loop_to_header_edge): Reformat comment.
265         Remove variables BB, I and DEFINITIONS.
266         Call need_ssa_update_p.
267         Call update_ssa.
268         (lv_adjust_loop_header_phi): Reformat comment.
269         * tree-ssanames.c (ssa_names_to_rewrite): Remove.
270         (marked_for_rewrite_p, any_marked_for_rewrite_p,
271         mark_for_rewrite, unmark_all_for_rewrite,
272         marked_ssa_names): Remove.  Update all users.
273         (release_ssa_name): If VAR has been registered for SSA
274         updating, do nothing.
275         * tree-vrp.c (new_ssa_names, old_ssa_names): Remove.
276         (build_assert_expr_for): Call register_new_name_mapping.
277         (insert_range_assertions): Update call to update_ssa.
278         * tree.h (mark_for_rewrite, unmark_all_for_rewrite,
279         marked_for_rewrite_p, any_marked_for_rewrite_p,
280         marked_ssa_names): Remove.
281
282 2005-04-22  Jeff Law  <law@redhat.com>
283
284         * tree-ssa-dom.c (block_defs_stack): Remove, no longer needed.
285         (restore_currdefs_to_original_value): Likewise.
286         (register_definitions_for_stmt): Likewise.
287         (tree_ssa_dominator_optimize): No longer initialize CURRENT_DEF
288         for each variable.  Do not allocate/free block_defs_stack either.
289         Do not iterate if we just thread jumps.  Only iterate if the
290         tree_cleanup_cfg does useful work (temporary).
291         (dom_opt_initialize_block): No longer push a marker on
292         BLOCK_DEFS_STACK.
293         (dom_opt_finalize_block): Removal call to restore currdefs.
294         Relax restrictions for recording edge equivalences.
295         (record_equivalences_from_phis): No longer need to track
296         CURRENT_DEF.
297         (optimize_stmt): Similarly.
298         (thread_across_edge): Simplify by removing the requirement that
299         statements in the block we are threading through must be nops.
300         (initialize_hash_element): Handle GOTO_EXPR.
301
302 2005-04-22  David S. Miller  <davem@davemloft.net>
303
304         * sched-vis.c (print_value): Use CONST_DOUBLE_LOW and
305         CONST_DOUBLE_HIGH.
306         * config/sparc/sparc.c (sparc_rtx_costs): Likewise, and
307         fix check on CONST_DOUBLE mode.  It should be VOIDmode
308         when it is representing an integer.
309
310 2005-04-22  Nathan Sidwell  <nathan@codesourcery.com>
311
312         * builtins.c (gimplify_va_arg_expr): Reword comments to avoid
313         'abort'. Use gcc_assert and gcc_unreachable as appropriate.
314         * c-format.c (get_constant, decode_format_attr, get_flag_spec, 
315         find_char_info_specifier_index,
316         find_length_info_modifier_index): Likewise.
317         * c-typeck.c (composite_type, pop_init_level): Likewise.
318         * combine.c (cant_combine_insn_p, try_combine): Likewise.
319         * cse.c (cse_insn): Likewise
320         * dominance.c (calc_dfs_tree): Likewise
321         dwarf2out.c (loc_descriptor_from_tree_1,
322         add_abstract_origin_attribute, force_decl_die,
323         force_type_die): Likewise
324         emit-rtl.c (operand_subword_force): Likewise
325         explow.c (hard_function_value): Likewise
326         expmed.c (store_bit_field, expand_divmod,
327         emit_store_flag_force): Likewise
328         expr.c (emit_move_multi_word, store_expr,
329         expand_expr_real_1): Likewise
330         final.c (this_is_asm_operands, shorten_branches, final_scan_insn,
331         output_operand): Likewise
332         flow.c (recompute_reg_usage): Likewise
333         * function.c (assign_stack_temp_for_type, assign_temp, 
334         handle_epilogue_set): Likewise
335         * genextract.c (main): Likewise
336         * gimplify.c (mostly_copy_tree_r, gimplify_return_expr,
337         gimplify_modify_expr_rhs, gimplify_expr): Likewise
338         * haifa-sched.c (ready_lastpos, ready_remove_first, ready_element,
339         ready_remove, rm_line_notes, rm_other_notes,
340         schedule_block): Likewise
341         mips-tfile.c (copy_object, out_of_bounds): Likewise
342
343 2005-04-22 David Edelsohn  <edelsohn@gnu.org>
344
345         PR target/20813
346         * config/rs6000/default64.h (TARGET_DEFAULT): Add MASK_PPC_GFXOPT.
347         * config/rs6000/rs6000.c (processor_target_table): Rename rs64a to
348         rs64.  Add MASK_PPC_GFXOPT to powerpc64 and rs64.
349         (rs6000_init_libfuncs): Set TFmode optabs to xlq names if
350         TARGET_XL_COMPAT.
351         * doc/invoke.texi (PowerPC options): Change rs64a to rs64.
352
353 2005-04-22  Nathan Sidwell  <nathan@codesourcery.com>
354
355         * lambda-code.c: Define VEC(int,heap), VEC(lambda_loop,heap).
356         (gcc_tree_to_linear_expression): Convert to heap allocated
357         vectors.
358         (gcc_loop_to_lambda_loop, gcc_loopnest_to_lambda_loopnest,
359         lbv_to_gcc_expression, lle_to_gcc_expression,
360         lambda_loopnest_to_gcc_loopnest, can_convert_to_perfect_nest, 
361         perfect_nestify): Likewise.
362         lambda.h (gcc_loopnest_to_lambda_loopnest,
363         lambda_loopnest_to_gcc_loopnest): Likewise.
364         tree-loop-linear.c (linear_transform_loops): Likewise.
365
366 2005-04-22  Eric Botcazou  <ebotcazou@libertysurf.fr>
367
368         * config/sparc/predicates.md (arith_double_operand): Use
369         trunc_int_for_mode if HOST_BITS_PER_WIDE_INT >=64.
370         * config/sparc/sparc.md (movqi, movhi, movsi, movqi): Use gen_int_mode.
371         (DImode, DFmode constant splitters): Likewise.  Remove code for
372         TARGET_ARCH64 && HOST_BITS_PER_WIDE_INT < 64.
373         (logical constant splitters): Use const_int_operand predicate.
374         (lshrsi3_extend): Remove code for TARGET_ARCH64 &&
375         HOST_BITS_PER_WIDE_INT < 64.
376
377 2005-04-22  Nathan Sidwell  <nathan@codesourcery.com>
378
379         * config/pa/pa.c (legitimize_pic_address): Use gcc_assert and
380         gcc_unreachable as appropriate.
381         (force_mode, emit_move_sequence, singlemove_string,
382         output_move_double, output_fp_move_double, find_addr_reg,
383         output_block_move, output_block_clear, output_and,
384         output_64bit_and, output_ior, output_64bit_ior, store_reg_modify,
385         pa_adjust_cost, pa_issue_rate, print_operand,
386         output_global_address, output_arg_descriptor, output_cbranch,
387         output_lbranch, output_bb, output_bvb, output_dbra, output_movb,
388         output_call): Likewise.
389         * config/pa/pa.md (call, call_value, sibcall, sibcall_value,
390         prefetch, prefetch_cc, prefetch_nocc): Likewise.
391
392 2005-04-22  Zdenek Dvorak  <dvorakz@suse.cz>
393
394         * Makefile.in (LIBGCOV): Add _gcov_interval_profiler,
395         _gcov_pow2_profiler and _gcov_one_value_profiler.
396         (tree-profile.o): Add GGC_H and gt-tree-profile.h dependency.
397         (GTFILES): Add $(srcdir)/tree-profile.c.
398         * gcov-io.h (__gcov_interval_profiler, __gcov_pow2_profiler,
399         __gcov_one_value_profiler): Declare.
400         * gimplify.c (force_gimple_operand): Check whether the statements
401         should be produced in ssa form.
402         (force_gimple_operand_bsi): New function.
403         * libgcov.c (__gcov_interval_profiler, __gcov_pow2_profiler,
404         __gcov_one_value_profiler): New functions.
405         * rtl-profile.c (rtl_gen_pow2_profiler): Only measure whether
406         the profiled value is a power of two or not.
407         * tree-cfg.c (tree_block_ends_with_condjump_p): Handle empty blocks.
408         * tree-flow.h (in_ssa_p): Declare.
409         (force_gimple_operand_bsi): Declare.
410         * tree-into-ssa.c (in_ssa_p): New variable.
411         (rewrite_into_ssa): Set in_ssa_p.
412         * tree-outof-ssa.c (rewrite_out_of_ssa): Set in_ssa_p.
413         * tree-profile.c: Include ggc.h and gt-tree-profile.h.
414         (gcov_type_node, tree_interval_profiler_fn, tree_pow2_profiler_fn,
415         tree_one_value_profiler_fn): New variables.
416         (tree_init_edge_profiler): Initialize the profiler function decls.
417         (tree_gen_edge_profiler): Use global gcov_type_node.
418         (prepare_instrumented_value): New function.
419         (tree_gen_interval_profiler, tree_gen_interval_profiler,
420         tree_gen_one_value_profiler): Call the library functions instead of
421         creating instrumentation code.
422         * tree.c (build_fn_decl): New function.
423         * tree.h (build_fn_decl): Declare.
424         * value-prof.c (rtl_divmod_values_to_profile,
425         rtl_find_values_to_profile, rtl_mod_pow2_value_transform,
426         tree_mod_pow2_value_transform, tree_find_values_to_profile):
427         Do not handle may_be_other and precise values of exponents at pow2
428         profiler.
429         (tree_mod_subtract_transform): Reflect that value field of
430         histogram has changed meaning.
431         (tree_divmod_values_to_profile): Record the values correctly.
432         (tree_values_to_profile): Update comment.
433         * value-prof.h (struct histogram_value_t): Remove pow2 data.
434
435 2005-04-22  Joseph S. Myers  <joseph@codesourcery.com>
436
437         * varasm.c (do_assemble_alias): Return early if TREE_ASM_WRITTEN
438         (decl).
439
440 2005-04-22  Nathan Sidwell  <nathan@codesourcery.com>
441
442         * config/i386/i386.md (length_immediate): Use gcc_assert or
443         gcc_unreachable, as appropriate.
444         (*movsi_1, *movqi_1, reload_outqi, *movdi_1_rex64, *pushsf,
445         *pushsf_rex64, *truncxfsf2_mixed, *truncxfsf2_i387,
446         *truncxfdf2_mixed, *truncxfdf2_i387, *adddi_1_rex64,
447         *adddi_2_rex64, *adddi_3_rex64, *adddi_4_rex64, *adddi_5_rex64,
448         *addsi_1, addsi_1_zext, *addsi_2, *addsi_2_zext, *addsi_3,
449         *addsi_3_zext, *addsi_4, *addsi_5, *addhi_1_lea, *addhi_1,
450         *addhi_2, *addhi_3, *addhi_4, *addhi_5, *addqi_1_lea, *addqi_1,
451         *addqi_1_slp, *addqi_2, *addqi_3, *addqi_4, *addqi_5, addqi_ext_1,
452         *addqi_ext_1_rex64, *anddi_1_rex64, *andsi_1, *andhi_1,
453         *ashldi3_1_rex64, *ashldi3_cmp_rex64, *ashlsi3_1, *ashlsi3_1_zext,
454         *ashlsi3_cmp, *ashlsi3_cmp_zext, *ashlhi3_1_lea, *ashlhi3_1,
455         *ashlhi3_cmp, *ashlqi3_1_lea, *ashlqi3_1, *ashlqi3_cmp,
456         pro_epilogue_adjust_stack_1, pro_epilogue_adjust_stack_rex64,
457         pro_epilogue_adjust_stack_rex64_2, prefetch, *prefetch_sse,
458         *prefetch_sse_rex): Likewise.
459         * config/i386/predicates.md (x86_64_immediate_operand,
460         x86_64_zext_immediate_operand, symbolic_operand,
461         no_seg_address_operand, aligned_operand,
462         memory_displacement_operand): Likewise.
463         * config/i386/sse.md (*mov<mode>_internal,
464         *movv2df_internal): Likewise.
465
466 2005-04-22  Jan Hubicka  <jh@suse.cz>
467
468         * Makefile.in (ipa.o, ipa-inline.o): New files.
469         * cgraph.h (cgraph_remove_unreachable_nodes, cgraph_postorder,
470         cgraph_decide_inlining_incrementally, cgraph_clone_inlined_nodes,
471         cgraph_mark_inline_edge, cgraph_default_inline_p): Declare.
472         * cgraphunit.c (cgraph_default_inline_p,
473         cgraph_decide_inlining_incrementally,  ncalls_inlined,
474         nfunctions_inlined, initial_insns, overall_insns, 
475         cgraph_estimate_size_after_inlining, cgraph_estimate_growth,
476         cgraph_clone_inlined_nodes, cgraph_mark_inline_edge,
477         cgraph_mark_inline, cgraph_check_inline_limits,
478         cgraph_default_inline_p, cgraph_recursive_inlining_p,
479         update_callee_keys, lookup_recursive_calls,
480         cgraph_decide_recursive_inlining, cgraph_set_inline_failed,
481         cgraph_decide_inlining_of_small_functions, cgraph_decide_inlining,
482         cgraph_decide_inlining_incrementally, cgraph_gate_inlining,
483         pass_ipa_inline): Move to ipa-inline.c
484         (cgraph_postorder, cgraph_remove_unreachable_nodes): Move to ipa.c
485         * ipa.c: New file.
486         * ipa-inline.c: New file.
487
488 2005-04-22  Eric Botcazou  <ebotcazou@libertysurf.fr>
489
490         * doc/invoke.texi (SPARC options): Document that -mapp-regs
491         is turned off by default on Solaris.
492
493 2005-04-21  Roger Sayle  <roger@eyesopen.com>
494
495         * c-common.h (objc_build_method_signature): Update prototype.
496         * stub-objc.c (objc_build_method_signature): Update the stub
497         implementation to accept and ignore additional parameter.
498         * c-parser.c (c_parser_objc_method_decl): Reorgnize to pass
499         the value of ellipsis to objc_build_method_signature instead
500         of setting TREE_OVERFLOW on the parms TREE_LIST node.
501
502 2005-04-21  Geoffrey Keating  <geoffk@apple.com>
503
504         * config/rs6000/rs6000-protos.h (rs6000_emit_sync): New.
505         * config/rs6000/rs6000.c (rs6000_emit_vector_compare): Use
506         gen_rtx_* not gen_rtx_fmt_*.
507         (rs6000_emit_vector_select): Likewise.
508         (rs6000_emit_sync): New.
509         * config/rs6000/rs6000.md (GPR, INT, INT1): New mode macros.
510         (larx, stcx, cmp): New mode substitutions.
511         (UNSPEC_SYNC, UNSPEC_SYNC_OP, UNSPEC_SYNC_SWAP, UNSPEC_LWSYNC,
512         UNSPEC_ISYNC): New constants.
513         (rlwinm): Give name.
514         (memory_barrier, isync, lwsync): New insns.
515         (sync_compare_and_swap<mode>, sync_lock_test_and_set<mode>): New insn.
516         (sync_lock_release<mode>): New expander.
517         (sync_add<mode>, sync_sub<mode>, sync_ior<mode>, sync_and<mode>,
518         sync_xor<mode>, sync_nand<mode>, sync_old_add<mode>,
519         sync_old_sub<mode>, sync_old_ior<mode>, sync_old_and<mode>,
520         sync_old_xor<mode>, sync_old_nand<mode>, sync_new_add<mode>,
521         sync_new_sub<mode>, sync_new_ior<mode>, sync_new_and<mode>,
522         sync_new_xor<mode>, sync_new_nand<mode>): New expanders.
523         (sync_add<mode>_internal, sync_addshort_internal,
524         sync_sub<mode>_internal, sync_andsi_internal, sync_anddi_internal,
525         sync_boolsi_internal, sync_booldi_internal, sync_boolc<mode>_internal,
526         sync_boolc<mode>_internal2, sync_boolcc<mode>_internal): New insns.
527
528         * doc/md.texi (Standard Names): sync_compare_and_swap's operand 0
529         is the memory before, not after, the operation.  Clarify
530         barrier requirements.
531
532 2005-04-21  Nathan Sidwell  <nathan@codesourcery.com>
533
534         * cfghooks.h (struct cfg_hooks): Reword comments to avoid 'abort'.
535         * lambda.h (lambda_vector_min_nz): Likewise.
536         * langhooks.h (struct lang_hooks_for_types,
537         struct lang_hooks): Likewise.
538         * output.h (assemble_integer, this_is_asm_operands): Likewise.
539         * tree.h: Likewise.
540         * vec.h: Likewise.
541         * tree-flow-inline.h (relink_imm_use): Use gcc_assert.
542         
543         * optabs.c (prepare_cmp_insn, emit_cmp_and_jump_insns): Reword
544         comments to avoid 'abort'.  Use gcc_assert as necessary.
545         * opts.c (common_handle_option): Likewise.
546         * pretty-print.c (pp_base_format_text): Likewise.
547         * print-rtl.c (print_rtx): Likewise.
548         * read-rtl.c (read_rtx_filename, read_rtx_1): Likewise.
549         * regmove.c (try_auto_increment): Likewise.
550         * reload.c (find_valid_class, find_reloads_toplev,
551         find_equiv_reg): Likewise.
552         * reload1.c (reload, forget_old_reloads_1, function_invariant_p, 
553         merge_assigned_reloads): Likewise.
554         * tree-inline.c (inline_forbidden_p_1,
555         estimate_num_insns_1): Likewise.
556         * tree-optimize.c (execute_todo): Likewise.
557         * tree-outof-ssa.c (eliminate_phi): Likewise.
558         * tree-ssa-alias.c (add_pointed_to_expr): Likewise.
559         * tree-ssa-ccp.c (maybe_fold_stmt_indirect): Likewise.
560         * tree-ssa-operands.c (parse_ssa_operands,
561         get_indirect_ref_operands, create_ssa_artficial_load_stmt): Likewise.
562         * tree-ssa-pre.c (find_or_generate_expression): Likewise.
563         * tree-ssanames.c (release_ssa_name): Likewise.
564         * tree.c (int_bit_position, int_byte_position, tree_low_cst, 
565         walk_tree): Likewise.
566
567         * tree-ssa-operands.c (verify_abort): Fold into ..
568         (verify_imm_links): ... here.
569
570 2005-04-21  Richard Henderson  <rth@redhat.com>
571
572         * config/alpha/sync.md (sync_new_nand<I48MODE>): Fix constraints
573         on non-memory operand for previous inversion.
574
575 2005-04-21  Devang Patel  <dpatel@apple.com>
576
577         PR optimization/20994
578         * tree-if-conv.c (find_phi_replacement_condition): Avoid generating
579         x = !(a == b) : p , q;.
580         (pass_if_conversion): Verify stmts and flow.
581         
582 2005-04-21  Nathan Sidwell  <nathan@codesourcery.com>
583
584         * optabs.c (gen_conditional_trap): Restore #define.
585
586         * alias.c (true_dependence): Remove 'abort' from comments. Use
587         gcc_assert and gcc_unreachable as appropriate.
588         (canon_true_dependence): Likewise.
589         * bb-reorder.c (connect_traces): Likewise.
590         * c-common.c (c_add_case_label): Likewise.
591         * c-decl.c (finish_function): Likewise.
592         * caller-save.c (insert_restore, insert_save): Likewise.
593         * cfg.c (update_bb_profile_for_threading): Likewise.
594         * cfganal.c (flow_active_insn_p): Likewise.
595         * cfgexpand.c (add_reg_br_prob_note): Likewise.
596         * cfgrtl.c (rtl_redirect_edge_and_branch_force, rtl_split_edge,
597         cfg_layout_merge_blocks): Likewise.
598         * ifcvt.c (cond_exec_process_insns, merge_if_block,
599         find_if_block): Likewise.
600         * integrate.c (allocate_initial_values): Likewise.
601         * jump.c (reverse_condition, reverse_condition_maybe_unordered,
602         swap_condition, unsigned_condition, signed_condition,
603         mark_jump_label, invert_jump_1, rtx_renumbered_equal_p,
604         reg_or_subregno): Likewise.
605         * lambda-code.c (lambda_compute_auxillary_space,
606         lambda_transform_legal_p): Likewise.
607         * lambda-mat.c (lambda_matrix_inverse_hard): Likewise.
608         * langhooks.c (lhd_set_decl_assembler_name, lhd_type_promotes_to,
609         lhd_incomplete_type_error, lhd_expand_expr,
610         lhd_types_compatible_p, lhd_tree_size): Likewise.
611         * lcm.c (create_pre_exit, optimize_mode_switching): Likewise.
612         * local-alloc.c (update_equiv_regs): Likewise.
613         * loop-unroll.c (peel_loop_completely
614         unroll_loop_constant_iterations, unroll_loop_runtime_iterations,
615         peel_loop_simple, unroll_loop_stupid,
616         analyze_iv_to_split_insn): Likewise.
617         * loop.c (gen_prefetch, find_and_verify_loops,
618         basic_induction_var): Likewise.
619         * modulo-sched.c (normalize_sched_times, check_nodes_order): Likewise.
620         * value-prof.c (tree_find_values_to_profile): Likewise.
621         * varasm.c (named_section, default_assemble_integer,
622         decode_addr_const): Likewise.
623
624 2005-04-21 Alan Modra  <amodra@bigpond.net.au>
625            Fariborz Jahanian <fjahanian@apple.com>
626
627         * config/rs6000/rs6000.c (rs6000_arg_partial_bytes): Fix size of
628         portion of argument passed in fpr.
629         * expr.c (emit_push_insn): Fix computation of 'offset' used to
630         decide on partial argument save on stack.
631
632 2005-04-21  Kazu Hirata  <kazu@cs.umass.edu>
633
634         * config/sparc/predicates.md, config/sparc/sparc.md: Fix
635         comment typos.
636
637 2005-04-21  Jan Hubicka  <jh@suse.cz>
638
639         * cgraphunit.c: Include tree-pass.h
640         (cgraph_decide_recursive_inlining,
641         cgraph_decide_inlining_of_small_function, cgraph_set_inline_failed,
642         cgraph_decide_inlining): Dump goes to dump_file.
643         (cgraph_optimize): Call ipa passes instead of inliner.
644         (cgraph_gate_inlining, pass_ipa_inline): New.
645         * tree-optimize.c (all_ipa_passes): New static variable.
646         (register_one_dump_file): Dead with IPA passes.
647         (register_dump_files): Likewise.
648         (init_tree_optimization_passes): Initialize IPA passes.
649         (execute_todo): Do cgraph dump when asked to, do not dump function body
650         for IPA pass.
651         * tree-pass.h (TODO_dump_cgraph): New macro.
652         (ipa_passes): Declare.
653         * Makefile.in (cgraphunit.o): Add dependency on cgraphunit.h
654
655 2005-04-21  Nathan Sidwell  <nathan@codesourcery.com>
656
657         * config/i386/i386.c (type_natural_mode): Use gcc_unreachable and
658         gcc_assert instead of abort.
659         (classify_argument, examine_argument, construct_container,
660         contains_128bit_aligned_vector_p, ix86_check_movabs,
661         standard_80387_constant_opcode, standard_80387_constant_rtx,
662         ix86_initial_elimination_offset, ix86_compute_frame_layout,
663         pro_epilogue_adjust_stack, ix86_expand_epilogue,
664         ix86_address_cost, legitimate_address_p, legitimize_pic_address,
665         legitimize_tls_address, output_pic_addr_const,
666         i386_output_dwarf_dtprel, put_condition_code, print_reg,
667         get_some_local_dynamic_name, print_operand, print_operand_address,
668         output_387_binary_op, emit_i387_cw_initialization,
669         output_fix_trunc, output_fp_compare, ix86_output_addr_vec_elt,
670         ix86_expand_clear, ix86_expand_binary_operator,
671         ix86_expand_unary_operator, ix86_match_ccmode, ix86_cc_mode,
672         ix86_cc_modes_compatible, ix86_fp_comparison_codes,
673         ix86_fp_comparison_arithmetics_cost, ix86_expand_fp_compare,
674         ix86_expand_branch, ix86_expand_setcc,
675         ix86_expand_carry_flag_compare, ix86_expand_fp_movcc,
676         ix86_expand_int_addcc, ix86_split_to_parts, ix86_split_long_move,
677         ix86_expand_movmem, ix86_expand_call, assign_386_stack_local,
678         memory_address_length, ix86_attr_length_immediate_default,
679         ix86_attr_length_address_default, ix86_agi_dependant,
680         x86_initialize_trampoline, ix86_init_mmx_sse_builtins,
681         ix86_expand_binop_builtin, ix86_force_to_memory,
682         ix86_secondary_memory_needed, ix86_avoid_jump_misspredicts,
683         x86_emit_floatuns): Likewise.
684         * config/i386/netware.c (gen_regparm_prefix,
685         i386_nlm_strip_name_encoding): Likewise.
686         * config/i386/winnt.c (i386_pe_mark_dllexport): Likewise.
687
688 2005-04-21  Nathan Sidwell  <nathan@codesourcery.com>
689
690         * optabs.c (gen_condiational_trap): Remove #define.
691         (add_equal_note): Assertify. Remove explicit indirection from
692         call via function pointer.
693         (expand_ternary_op, expand_simple_binop, expand_binop,
694         expand_twoval_unop, expand_twoval_binop,
695         expand_twoval_binop_libfunc, expand_simple_unop expand_unop,
696         emit_unop_insn,  emit_no_conflict_block,  prepare_cmp_insn,
697         prepare_operand emit_cmp_and_jump_insn_1, emit_cmp_and_jump_insns,
698         prepare_float_lib_cmp, emit_conditional_move,
699         emit_conditional_add, gen_add2_insn, gen_add3_insn,
700         have_add2_insn, gen_sub2_insn, gen_sub3_insn, have_sub2_insn,
701         expand_float, expand_fix, debug_optab_libfuncs, gen_cond_trap,
702         vector_compare_rtx, expand_vec_cond_expr): Likewise.
703
704 2005-04-21  Nathan Sidwell  <nathan@codesourcery.com>
705
706         * vec.h: Update API to separate allocation mechanism from type.
707         (VEC_safe_grow): New.
708         * vec.c (calculate_allocation): New.
709         (vec_gc_o_reserve, vec_heap_o_reserve): Adjust.
710         (vec_gc_free, vec_heap_free): Remove.
711         * gengtype-lex.l (DEF_VEC_): Process mult-argument macros.  Adjust.
712         (VEC): Likewise.
713         (mangle_macro_name): New.
714         (struct macro_def): New.
715         (struct macro): Add multiple argument values.
716         (macro_expans_end): New.
717         (push_macro_expansion):  Chain on new macro. Process multiple
718         args, create follow on expansion. Return follow on argument.
719         (macro_input): Deal with multiple arguments.
720         
721         * tree.h: Define VEC(tree,heap) and VEC(tree,gc).
722         (struct tree_binfo): Adjust.
723         * basic-block.h: Define VEC(edge,gc).
724         (struct edge_def): Adjust.
725         (struct basic_block_def, struct edge_iterator): Likewise.
726         (ei_container, ei_start_1, ei_last_1): Likewise.
727         * cfg.c (connect_src, connect_dest): Likewise.
728         * cfgrtl.c (force_nonfallthru_and_redirect)
729         * dbxout.c (dbxout_type)
730         * dwarf2out.c (gen_member_die)
731         * lambda-code.c: Define VEC(int,gc), VEC(lambda_loop,gc).
732         (gcc_tree_to_linear_expression): Adjust.
733         (gcc_loop_to_lambda_loop, gcc_loopnest_to_lambda_loopnest,
734         lbv_to_gcc_expression, lle_to_gcc_expression,
735         lambda_loopnest_to_gcc_loopnest, can_convert_to_perfect_nest,
736         perfect_nestify): Likewise.
737         * lambda.h (gcc_loopnest_to_lambda_loopnest,
738         lambda_loopnest_to_gcc_loopnest): Adjust prototypes.
739         * profile.c (instrument_values): Adjust.
740         * tree-cfg.c (modified_noreturn_calls): Adjust.
741         (remove_fallthru_edge): Likewise.
742         * tree-dump.c (dequeue_and_dump): Adjust.
743         * tree-flow-inline.h (mark_stmt_modified): Adjust.
744         * tree-flow.h (modified_noreturn_calls): Adjust.
745         (tree_on_heap): Remove. (yay!)
746         (register_new_def): Adjust.
747         * tree-into-ssa.c: Define VEC(int,heap).
748         (block_defs_stack): Adjust.
749         (find_idf, insert_phi_nodes, register_new_def,
750         rewrite_initialize_block, rewrite_finalize_block,
751         register_new_update_single, rewrite_update_init_block,
752         rewrite_update_fini_block, rewrite_blocks,
753         ssa_rewrite_finalize_block, ssa_register_new_def,
754         ssa_rewrite_initialize_block, rewrite_ssa_into_ssa): Likewise.
755         * tree-loop-linear.c (linear_transform_loops): Adjust.
756         * tree-ssa-alias.c: Define VEC(fieldoff_t,heap).
757         (push_fields_onto_fieldstack, create_overlap_variables_for): Adjust.
758         * tree-ssa-dom.c (avail_exprs_stack, block_defs_stack,
759         stmts_to_rescan, const_and_copies_stack, nonzero_vars_stack,
760         vrp_variables_stack): Adjust declarations.
761         (tree_ssa_dominator_optimize): Adjust.
762         (dom_opt_initialize_block, remove_local_expressions_from_table,
763         restore_nonzero_vars_to_original_value,
764         restore_vars_to_original_value,
765         restore_currdefs_to_original_value, dom_opt_finalize_block,
766         record_var_is_nonzero, record_cond, record_const_or_copy_1,
767         optimize_stmt, update_rhs_and_lookup_avail_expr,
768         lookup_avail_expr, record_range): Likewise.
769         * tree-ssa-pre.c: Define VEC(basic_block,heap).
770         (compute_antic_aux): Adjust.
771         (inserted_exprs, create_expression_by_pieces, 
772         insert_into_preds_of_block, eliminate, mark_operand_necessary, 
773         remove_dead_inserted_code, fini_pre): Likewise.
774         * tree-ssa-propagate.c (interesting_ssa_edges): Adjust.
775         (varying_ssa_edges, add_ssa_edge, process_ssa_edge_worklist. 
776         ssa_prop_init): Likewise.
777         * tree-ssa.c: Define VEC(bitmap,heap).
778         (verify_name_tags): Adjust.
779         * value-prof.c (rtl_divmod_values_to_profile): Adjust.
780         (insn_prefetch_values_to_profile, rtl_find_values_to_profile,
781         tree_divmod_values_to_profile, tree_find_values_to_profile,
782         value_profile_transformations): Likewise.
783         * value-prof.h: Define VEC(histogram_value,heap).
784         * varasm.c: Remove alias_pair pointer typedef, define
785         VEC(alias_pair,gc).
786         (finish_aliases_1, finish_aliases_2, assemble_alias): Adjust.
787         
788         * config/pa/pa.c (typedef extern_symbol): Typedef the structure,
789         not a pointer to it.  Create an object vector.
790         (extern_symbols): Turn into an object vector.
791         (pa_hpux_asm_output_external, pa_hpux_file_end): Adjust.
792
793 2005-04-21  Sebastian Pop  <pop@cri.ensmp.fr>
794
795         PR/20742
796         * Makefile.in (tree-chrec.o): Depend on params.h.
797         * params.def (PARAM_SCEV_MAX_EXPR_SIZE): New parameter with
798         default value 20.
799         * tree-chrec.c: Depend on params.h.  Replace build with buildN,
800         and fold build with fold_buildN.
801         (chrec_fold_plus_1): Fail with a chrec_don_know when the size of
802         the expression exceeds PARAM_SCEV_MAX_EXPR_SIZE.
803         (tree_contains_chrecs): Compute an estimation of the size of the
804         given expression.
805         * tree-chrec.h (tree_contains_chrecs): Modify its declaration.
806         (tree_does_not_contain_chrecs): Update the use of tree_contains_chrecs.
807         * tree-scalar-evolution.c (simple_iv): Ditto.
808         * doc/invoke.texi (scev-max-expr-size): Documented.
809
810 2005-04-21  Richard Sandiford  <rsandifo@redhat.com>
811
812         * config.gcc (*-*-darwin*): Add darwin.opt to $extra_options.
813         (i[34567]86-pc-msdosdjgpp*): Likewise i386/djgpp.opt.
814         (i[34567]86-*-lynxos*, powerpc-*-lynxos*): Likewise lynx.opt.
815         (i[34567]86-*-sco3.2v5*): Likewise i386/sco5.opt.
816         (i[34567]86-*-pe, i[34567]86-*-cygwin*, i[34567]86-*-mingw32*)
817         (i[34567]86-*-uwin*): Likewise i386/cygming.opt.
818         * config/darwin.h (darwin_one_byte_bool, darwin_fix_and_continue)
819         (darwin_fix_and_continue_switch, SUBTARGET_OPTIONS): Delete.
820         * config/darwin.c (darwin_one_byte_bool, darwin_fix_and_continue)
821         (darwin_fix_and_continue_switch): Delete.
822         * config/lynx.h (SUBTARGET_OS_LYNX_SWITCHES): Delete.
823         (SUBTARGET_SWITCHES): Delete.
824         * config/i386/i386.h (target_flags, MASK_80387, MASK_RTD)
825         (MASK_ALIGN_DOUBLE, MASK_SVR3_SHLIB, MASK_IEEE_FP, MASK_FLOAT_RETURNS)
826         (MASK_NO_FANCY_MATH_387, MASK_OMIT_LEAF_FRAME_POINTER)
827         (MASK_STACK_PROBE, MASK_NO_ALIGN_STROPS, MASK_INLINE_ALL_STROPS)
828         (MASK_NO_PUSH_ARGS, MASK_ACCUMULATE_OUTGOING_ARGS, MASK_MMX)
829         (MASK_SSE, MASK_SSE2, MASK_SSE3, MASK_3DNOW, MASK_3DNOW_A)
830         (MASK_128BIT_LONG_DOUBLE, MASK_64BIT, MASK_MS_BITFIELD_LAYOUT)
831         (MASK_TLS_DIRECT_SEG_REFS, MASK_NO_RED_ZONE, TARGET_80387)
832         (TARGET_RTD, TARGET_ALIGN_DOUBLE, TARGET_PUSH_ARGS)
833         (TARGET_ACCUMULATE_OUTGOING_ARGS, TARGET_SVR3_SHLIB, TARGET_IEEE_FP)
834         (TARGET_128BIT_LONG_DOUBLE, TARGET_NO_FANCY_MATH_387)
835         (TARGET_USE_FANCY_MATH_387, TARGET_OMIT_LEAF_FRAME_POINTER)
836         (TARGET_DEBUG_ADDR, TARGET_DEBUG_ARG): Delete.
837         (TARGET_FLOAT_RETURNS_IN_80387): Make an alias of TARGET_FLOAT_RETURNS.
838         (TARGET_64BIT): Undef before redefining.
839         (TARGET_TLS_DIRECT_SEG_REFS, TARGET_STACK_PROBE)
840         (TARGET_ALIGN_STRINGOPS, TARGET_INLINE_ALL_STRINGOPS, TARGET_SSE)
841         (TARGET_SSE2, TARGET_SSE3, TARGET_MMX, TARGET_3DNOW, TARGET_3DNOW_A)
842         (TARGET_RED_ZONE, TARGET_USE_MS_BITFIELD_LAYOUT, TARGET_SWITCHES)
843         (TARGET_OPTIONS, SUBTARGET_SWITCHES, SUBTARGET_OPTIONS)
844         (ix86_fpmath_string, ix86_tls_dialect_string, ix86_cmodel_string)
845         (ix86_asm_string, ix86_regparm, ix86_regparm_string)
846         (ix86_preferred_stack_boundary_string, ix86_branch_cost_string)
847         (ix86_debug_arg_string, ix86_debug_addr_string)
848         (ix86_align_loops_string, ix86_align_jumps_string)
849         (ix86_align_funcs_string): Delete.
850         * config/i386/cygming.h (MASK_NOP_FUN_DLLIMPORT)
851         (TARGET_NOP_FUN_DLLIMPORT, SUBTARGET_SWITCHES): Delete.
852         * config/i386/djgpp.h (MASK_BNU210, SUBTARGET_SWITCHES): Delete.
853         (SUBTARGET_OVERRIDE_OPTIONS): Check TARGET_BNU210.
854         * config/i386/lynx.h (SUBTARGET_SWITCHES): Delete.
855         * config/i386/sco5.h (MASK_COFF, TARGET_ELF)
856         (SUBTARGET_SWITCHES): Delete.
857         * config/i386/i386.c (ix86_debug_arg_string): Delete.
858         (ix86_debug_addr_string): Delete.
859         (ix86_cmodel_string, ix86_asm_string, ix86_tls_dialect_string)
860         (ix86_fpmath_string, ix86_regparm_string, ix86_regparm)
861         (ix86_align_loops_string, ix86_align_jumps_string)
862         (ix86_preferred_stack_boundary_string, ix86_branch_cost_string)
863         (ix86_align_funcs_string): Make static.
864         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
865         (ix86_handle_option): New function.
866         (TARGET_USE_MS_BITFIELD_LAYOUT): Delete.
867         (ix86_ms_bitfield_layout_p): Check TARGET_MS_BITFIELD_LAYOUT.
868         * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Remove handling
869         of darwin_fix_and_continue_switch.
870         (darwin_one_byte_bool): Delete.
871         * config/rs6000/lynx.h (EXTRA_SUBTARGET_SWITCHES): Delete.
872         * config/rs6000/rs6000.c (rs6000_override_options): Update assignment
873         to darwin_one_byte_bool.
874         * config/darwin.opt, config/lynx.opt, config/i386/cygming.opt,
875         * config/i386/djgpp.opt, config/i386/i386.opt,
876         * config/i386/sco5.opt: New files.
877
878 2005-04-21  Eric Botcazou  <ebotcazou@libertysurf.fr>
879
880         * config/sparc/sparc.c (reg_or_0_operand, const1_operand,
881         fp_zero_operand, fp_register_operand, intreg_operand,
882         fcc_reg_operand, fcc0_reg_operand, icc_or_fcc_reg_operand,
883         call_operand, call_operand_address, tgd_symbolic_operand,
884         tld_symbolic_operand, tie_symbolic_operand, tle_symbolic_operand,
885         symbolic_operand, symbolic_memory_operand, label_ref_operand,
886         sp64_medium_pic_operand, data_segment_operand,
887         text_segment_operand, splittable_symbolic_memory_operand,
888         reg_or_nonsymb_mem_operand, splittable_immediate_memory_operand,
889         eq_or_neq, normal_comp_operator, noov_compare_op,
890         noov_compare64_op, v9_regcmp_op, extend_op, cc_arithop,
891         cc_arithopn, arith_operand, arith_4096_operand, arith_add_operand,
892         const64_operand, const64_high_operand, arith11_operand,
893         arith10_operand, arith_double_operand, arith_double_4096_operand,
894         arith_double_add_operand, arith11_double_operand,
895         arith10_double_operand, small_int, small_int_or_double,
896         uns_small_int, uns_arith_operand, clobbered_register,
897         input_operand, compare_operand): Delete.
898         (sparc_emit_set_const32): Use predicates in assertion.  Remove special
899         code for TARGET_ARCH64 && HOST_BITS_PER_WIDE_INT != 64.
900         (sparc_emit_set_const64): Call gcc_unreachable if H_B_P_W_I == 32.
901         (GEN_HIGHINT64, GEN_INT64): Delete.
902         (sparc_emit_set_safe_HIGH64, gen_safe_SET64, gen_safe_OR64,
903         gen_safe_XOR64): Adjust for above deletion.
904         (sparc_emit_set_const64): Support only H_B_P_W_I == 64 and CONST_INTs.
905         Use 'unsigned HOST_WIDE_INT' instead of 'long' for bitmask.
906         (legitimate_constant_p): Use const_zero_operand instead.
907         (sparc_extra_constraint_check): Likewise.
908         * config/sparc/sparc.h (CONST_DOUBLE_OK_FOR_LETTER_P): Remove 'O'.
909         (PREFERRED_RELOAD_CLASS): Use const_zero_operand.
910         (PREDICATE_CODES): Delete.
911         * config/sparc/sparc.md: Include predicates.md.
912         (All patterns): Adjust for new predicate names.
913         (cmpdi, cmpdi_sp64): Use arith_operand predicate.
914         (movhi_const64_special, movsi_const64_special): Add 'K' constraint.
915         (movdi): Use general_operand predicate.
916         (movdi_sp64_dbl): Delete.
917         (movdi_const64_special): Add 'N' constraint.
918         (movdicc): Use arith10_operand predicate.
919         (movdi_cc_sp64, movdi_cc_sp64_trunc): Use arith11_operand predicate.
920         (movdi_cc_reg_sp64): Use arith10_operand predicate.
921         (movdi_cc_reg_sp64_trunc): Delete.
922         (cmp_zero_extract, cmp_zero_extract_sp64): Use small_int_operand.
923         (adddi3_sp64, cmp_ccx_plus, cmp_ccx_plus_set): Use arith_operand.
924         (subdi3_sp32): Delete.
925         (subdi3_insn_sp32): Change to define_insn_and_split.
926         (subdi3_sp64, cmp_minus_ccx, cmp_minus_ccx_set): Use arith_operand.
927         (muldi3, muldi3_sp64, muldi3_v8plus): Likewise.
928         (smulsi3_highpart_v8plus, const_smulsi3_highpart_v8plus,
929         umulsi3_highpart_v8plus, const_umulsi3_highpart_v8plus): Use
930         small_int_operand predicate.
931         (divdi3, udivdi3): Use arith_operand predicate.
932         (udivsi3, udivsi3_sp32, udivsi3_sp64): Use nonimmediate_operand.
933         (and<V64I>3_sp64, ior<V64I>3_sp64, xor<V64I:mode>3_sp64,
934         xor_not_<V64I:mode>_sp64) : Use arith_operand predicate.
935         (xordi3_sp64_dbl): Delete.
936         (cmp_ccx_arith_op, cmp_ccx_arith_op_set, cmp_ccx_xor_not,
937         cmp_ccx_xor_not_set, cmp_ccx_arith_op_not, cmp_ccx_arith_op_not_set,
938         cmp_ccx_neg, cmp_ccx_set_neg, one_cmpl<V64I>2_sp64, cmp_ccx_not,
939         cmp_ccx_set_not): Use arith_operand predicate.
940         (ashrsi3_extend2, lshrsi3_extend2 et al.): Use small_int_operand.
941         * config/sparc/predicates.md: New file.
942
943 2005-04-21  Kazu Hirata  <kazu@cs.umass.edu>
944
945         PR tree-optimization/14846
946         * fold-const.c (fold_single_bit_test_into_sign_test): New,
947         split out from ...
948         (fold_single_bit_test): ... here.
949         (fold_binary): Call fold_single_bit_test_into_sign_test
950         instead of fold_single_bit_test.
951
952 2005-04-20  James E Wilson  <wilson@specifixinc.com>
953
954         PR c++/20805
955         * dwarf2out.c (gen_variable_die): Don't emit a specification if this
956         is another declaration.
957
958 2005-04-21  Hans-Peter Nilsson  <hp@axis.com>
959
960         * config/cris/predicates.md: New file.
961         * config/cris/cris-protos.h (cris_store_multiple_op_p)
962         (cris_movem_load_rest_p): Declare.
963         * config/cris/cris.c (cris_store_multiple_op): Return bool, not int.
964         (cris_movem_load_rest_p): Ditto.  Globalize.
965         (cris_bdap_operand, cris_bdap_biap_operand,
966         cris_orthogonal_operator, cris_commutative_orth_op,
967         cris_operand_extend_operator,
968         cris_additive_operand_extend_operator, cris_extend_operator,
969         cris_plus_or_bound_operator, cris_mem_op,
970         cris_general_operand_or_symbol,
971         cris_general_operand_or_gotless_symbol,
972         cris_general_operand_or_plt_symbol, cris_mem_call_operand,
973         cris_load_multiple_op): Remove predicate functions.
974         (cris_symbol, cris_gotless_symbol) <case UNSPEC>: Return 0, don't
975         abort, for UNSPECs other than CRIS_UNSPEC_PLT.
976         * config/cris/cris.h (PREDICATE_CODES): Don't define.
977         * config/cris/cris.md: Include predicates.md.
978         ("call", "call_value"): Generate CONSTs of Pmode, not VOIDmode.
979
980 2005-04-20  Ian Lance Taylor  <ian@airs.com>
981
982         * c-common.def: Remove STMT_EXPR (moved to cp/cp-tree.def).
983         * c-common.h (STMT_EXPR_STMT): Don't define.
984         (STMT_EXPR_NO_SCOPE): Don't define.
985         * c-dump.c (c_dump_tree): Don't handle STMT_EXPR.
986         * c-pretty-print.c (pp_c_primary_expression): Likewise.
987         (pp_c_expression): Likewise.
988
989 2005-04-20  Richard Henderson  <rth@redhat.com>
990
991         PR target/21100
992         * config/i386/mmx.md (push<MMXMODE>1): Fix predicate thinko.
993
994 2005-04-20  Jeff Law  <law@redhat.com>
995
996         * reload1.c (reload): Ignore equivalences between pseudos and
997         read only memory.
998
999 2005-04-20  Joseph S. Myers  <joseph@codesourcery.com>
1000
1001         PR c/12913
1002         * c-tree.h (struct c_label_list): Update comment.
1003         (struct c_label_context): Rename to struct c_label_context_se.
1004         (label_context_stack): Rename to label_context_stack_se.
1005         (C_DECL_UNJUMPABLE_VM, C_DECL_UNDEFINABLE_VM, struct
1006         c_label_context_vm, label_context_stack_vm, c_begin_vm_scope,
1007         c_end_vm_scope): New.
1008         (C_DECL_DECLARED_BUILTIN, C_DECL_USED): Use FUNCTION_DECL_CHECK.
1009         * c-decl.c (pop_scope): Call c_end_vm_scope.
1010         (pushdecl): Call c_begin_vm_scope for variably modified
1011         declarations.
1012         (define_label): Check for jumping into scope of identifier with
1013         variably modified type.  Push label on stack for those defined at
1014         current context of identifiers with variably modified type.
1015         (start_function): Create stack level for context of identifiers
1016         with variably modified type.
1017         (finish_function): Pop stack level for context of identifiers with
1018         variably modified type.
1019         * c-typeck.c (label_context_stack): Rename to
1020         label_context_stack_se.
1021         (label_context_stack_vm, c_begin_vm_scope, c_end_vm_scope): New.
1022         (c_finish_goto_label): Check for jumping into scope of identifier
1023         with variably modified type.  Push label on stack for those jumped
1024         to from current context of identifiers with variably modified
1025         type.
1026         (struct c_switch): Add blocked_vm.
1027         (c_start_case): Initialize blocked_vm.
1028         (do_case): Check blocked_vm.
1029         (c_finish_case): Add comment.
1030         (c_begin_stmt_expr, c_finish_stmt_expr): Update for renamed
1031         variable label_context_stack.
1032
1033 2005-04-20  Kazu Hirata  <kazu@cs.umass.edu>
1034
1035         * tree-ssa-phiopt.c (tree_ssa_phi_opt): Update calls to
1036         conditional_replacement, value_replacement, abs_replacement,
1037         minmax_replacement.
1038         (replace_phi_edge_with_variable): Remove argument BB.
1039         (conditional_replacement, value_replacement,
1040         minmax_replacement, abs_replacement): Remove argument PHI_BB.
1041         Update a call to replace_phi_edge_with_variable.
1042
1043         * tree-ssa-phiopt.c: Fix comments.
1044
1045 2005-04-20  Michael Matz  <matz@suse.de>
1046
1047         PR20973
1048         * reload.c (push_reload, find_dummy_reload): Check for uninitialized
1049         pseudos.
1050
1051 2005-04-20  Kazu Hirata  <kazu@cs.umass.edu>
1052
1053         * tree-ssa-phiopt.c: Fix comment typos.
1054
1055         PR tree-optimization/21116
1056         * tree-ssa-phiopt.c: Fix a typo.
1057
1058 2005-04-19  Richard Henderson  <rth@redhat.com>
1059
1060         * builtins.c (expand_builtin_sync_operation): Revert last change.
1061         * optabs.c (expand_bool_compare_and_swap): Compare vs old value,
1062         not vs new value.
1063         (expand_compare_and_swap_loop): Likewise.
1064         (expand_sync_operation): Remove fallback from NAND to AND; invert
1065         memory operand when expanding from cmpxchg.
1066         (expand_sync_fetch_operation): Likewise.
1067         * doc/extend.texi (Atomic Builtins): Fix docs for nand and
1068         compare-and-swap.
1069
1070         * config/alpha/alpha.c (alpha_split_atomic_op): Invert memory operand
1071         when implementing NAND.  Fix double-add for AFTER.
1072         * config/alpha/sync.md (sync_nand<I48MODE>): Invert memory operand.
1073         (sync_old_nand<I48MODE>, sync_new_nand<I48MODE>): Likewise.
1074         (sync_compare_and_swap<I48MODE>): Fix compare vs zero.  Return old
1075         memory value.
1076         (sync_lock_test_and_set<I48MODE>): Remove extra label and last
1077         memory barrier.
1078
1079         * config/i386/sync.md (sync_compare_and_swap<IMODE>): Fix pattern
1080         to return old memory value.
1081         (sync_compare_and_swap_cc<IMODE>): Likewise.
1082
1083         * config/ia64/ia64.c (ia64_dependencies_evaluation_hook): Early
1084         return pre-reload.  Don't consider output or anti dependencies.
1085         * config/ia64/sync.md (IMODE): New.
1086         (modesuffix): Add QI and HI.
1087         (memory_barrier): Simplify expansion.
1088         (sync_compare_and_swap<IMODE>): Use IMODE, not I48MODE.
1089         (cmpxchg_acq_<IMODE>): Likewise.
1090         (sync_lock_test_and_set<IMODE>): Likewise.
1091         (sync_lock_release<IMODE>): Likewise.
1092
1093 2005-04-19  James A. Morrison  <phython@gcc.gnu.org>
1094
1095         * fold-const.c (fold_binary): Fold ~(X ^ Y) to ~X ^ Y or X ^ ~Y if
1096         ~X or ~Y simplify.
1097
1098 2005-04-19  James A. Morrison  <phython@gcc.gnu.org>
1099
1100         * fold-const (fold_binary):  Fold ~X ^ ~ Y to X ^ Y.
1101
1102 2005-04-20  Michael Pogue  <michael.pogue@sun.com>
1103             Joseph S. Myers  <joseph@codesourcery.com>
1104
1105         * c.opt (Wint-to-pointer-cast, Wpointer-to-int-cast): New options.
1106         * c-typeck.c (build_c_cast): Check these options.
1107         * doc/invoke.texi: Document these options.
1108
1109 2005-04-20  Kazu Hirata  <kazu@cs.umass.edu>
1110
1111         * tree-ssa-phiopt.c: Update a comment about the pass.
1112
1113 2005-04-19  Kazu Hirata  <kazu@cs.umass.edu>
1114
1115         * tree-ssa-phiopt.c, config/arm/arm.c, config/fr30/fr30.md,
1116         config/mcore/mcore.c: Fix comment typos.
1117
1118 2005-04-19  Daniel Jacobowitz  <dan@codesourcery.com>
1119
1120         * Makefile.in (libgcc.mk): Pass GCC_FOR_TARGET.
1121         * mklibgcc.in: Use $GCC_FOR_TARGET instead of ./xgcc.
1122
1123 2005-04-19  Paul Brook  <paul@codesourcery.com>
1124
1125         * config/arm/arm.c (arm_init_libfuncs): Clear mod optabs. 
1126
1127 2005-04-19  Andrew Haley  <aph@redhat.com>
1128
1129         PR java/21022
1130         * dbxout.c (dbxout_type_fields): Check DECL_IGNORED_P before
1131         looking at a field's bitpos.
1132
1133 2005-04-19  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1134
1135         * system.h (fopen, fdopen, freopen): Define these to the unlocked
1136         libiberty functions.
1137
1138 2005-04-19  Kazu Hirata  <kazu@cs.umass.edu>
1139
1140         PR tree-optimization/21096
1141         * tree-ssa-copy.c (fini_copy_prop): Free cached_last_copy_of.
1142
1143 2005-04-19  Alan Modra  <amodra@bigpond.net.au>
1144
1145         PR target/21098
1146         * config/rs6000/rs6000.c (rs6000_elf_end_indicate_exec_stack): New.
1147         * config/rs6000/linux64.h (TARGET_ASM_FILE_END): Use the above.
1148
1149 2005-04-19  Alexandre Oliva  <aoliva@redhat.com>
1150
1151         * tree-cfg.c (dump_function_to_file): Use cfun info only if it
1152         refers to the function being dumped.
1153
1154 2005-04-18  Daniel Jacobowitz  <dan@codesourcery.com>
1155
1156         * varasm.c (assemble_start_function): Remove reset of in_section.
1157
1158 2005-04-18  James A. Morrison  <phython@gcc.gnu.org>
1159
1160         PR tree-optimization/21085
1161         * fold-const (fold_binary): Don't change X % -C to X % C if C has
1162         overflowed.
1163
1164 2005-04-19  Ben Elliston  <bje@au.ibm.com>
1165
1166         * doc/invoke.texi (Optimize Options): Refer to the correct
1167         optimisation flag -ftree-dominator-opts, not -ftree-dom.
1168
1169 2005-04-18  Christopher Jaillet <christophe.jaillet@wanadoo.fr>
1170
1171         * config/rs6000/rs6000.c (machopic_output_stub):  Increase
1172         alloca argument to be big enough.
1173
1174 2005-04-18  Alexandre Oliva  <aoliva@redhat.com>
1175
1176         PR middle-end/21049
1177         * tree-cfg.c (dump_function_to_file): Do not crash if cfun or
1178         cfun->cfg are NULL.
1179
1180 2005-04-18  Tom Tromey  <tromey@redhat.com>
1181
1182         * cgraphunit.c (cgraph_finalize_compilation_unit): Fix a comment
1183         typo.
1184
1185 2005-04-18  Richard Henderson  <rth@redhat.com>
1186
1187         * config/alpha/alpha.c (alpha_split_atomic_op): New.
1188         (alphaev5_insn_pipe): Add LD_L, ST_C, MB types.
1189         (alphaev4_insn_pipe): Likewise.  Correct IST and LDSYM pipes.
1190         * config/alpha/alpha-protos.h: Update.
1191         * config/alpha/alpha.md (UNSPECV_MB, UNSPECV_LL, UNSPECV_SC): New.
1192         (UNSPECV_ATOMIC, UNSPECV_CMPXCHG, UNSPECV_XCHG): New.
1193         (attr type): Add ld_l, st_c, mb.
1194         (andsi_internal, andnotsi3, iorsi_internal, one_cmplsi_internal,
1195         iornotsi3, xorsi_internal, xornotsi3): New.
1196         * config/alpha/ev4.md (ev4_ld): Add ld_l.
1197         (ev4_ist_c, ev4_mb): New.
1198         * config/alpha/ev5.md (ev5_st): Add st_c, mb.
1199         (ev5_ld_l): New.
1200         * config/alpha/ev6.md (ev6_ild): Add ld_l.
1201         (ev6_ist): Add st_c.
1202         (ev6_mb): New.
1203         * config/alpha/sync.md: New file.
1204
1205 2005-04-18  Richard Henderson  <rth@redhat.com>
1206
1207         * builtins.c (expand_builtin_sync_operation): Fold nand to and
1208         for constants.
1209
1210         * optabs.c (expand_sync_operation): Fix typo expanding nand to and.
1211
1212 2005-04-18  Devang Patel  <dpatel@apple.com>
1213
1214         * config/rs6000/atlivec.md (mulv4si3): New pattern.
1215         
1216 2005-04-18  James A. Morrison  <phython@gcc.gnu.org>
1217
1218         PR tree-optimization/20922
1219         * fold-const.c (fold_binary): Fold X - c > X and X + c < X to false.
1220         Fold X + c >= X and fold X - c <= X to true.
1221
1222 2005-04-18  James A. Morrison  <phython@gcc.gnu.org>
1223
1224         * config/ia64/unwind-ia64.c (emergency_reg_state_free): Make an
1225         unsigned int.
1226         (emergency_labeled_state_free): Likewise.
1227
1228 2005-04-18  Nick Clifton  <nickc@redhat.com>
1229
1230         * config/h8300/h8300.md (jump): Remove prescan parameter from
1231         calls to final_scan_insn.
1232
1233         * config/arc/arc.c (arc_output_function_epilogue): Remove prescan
1234         parameter from calls to final_scan_insn.
1235
1236         * config.gcc (m68hc12): Use the m68hc11.opt file for target
1237         specific options.
1238         (v850e, v850e1): Use the v850.opt file for target specific
1239         options.
1240
1241 2005-04-18  Kazu Hirata  <kazu@cs.umass.edu>
1242
1243         PR tree-optimization/21001
1244         * tree-optimize.c (init_tree_optimization_passes): Move the
1245         first pass_forwprop immediately before pass_vrp.
1246
1247 2005-04-17  Ian Lance Taylor  <ian@airs.com>
1248
1249         * c-common.def (SIZEOF_EXPR, ARROW_EXPR, ALIGNOF_EXPR): Remove.
1250         * c-common.c (c_sizeof_or_alignof_type): Change second parameter
1251         from enum tree_code op to bool is_sizeof.
1252         * c-common.h (c_sizeof_or_alignof_type): Update declaration.
1253         (c_sizeof, c_alignof): Update calls to c_sizeof_or_alignof_type.
1254         * c-pretty-print.c (pp_c_postfix_expression): Remove ARROW_EXPR
1255         case.
1256         (pp_c_unary_expression): Remove SIZEOF_EXPR and ALIGNOF_EXPR
1257         cases.
1258         (pp_c_expression): Remove ARROW_EXPR, SIZEOF_EXPR, and
1259         ALIGNOF_EXPR cases.
1260
1261 2005-04-17  Ian Lance Taylor  <ian@airs.com>
1262
1263         * system.h: Poison DONT_ACCESS_GBLS_AFTER_EPILOGUE.
1264
1265 2005-04-17  Richard Henderson  <rth@redhat.com>
1266
1267         * config/alpha/alpha.c (va_list_skip_additions): Only define if
1268         TARGET_ABI_OSF.
1269         (TARGET_STDARG_OPTIMIZE_HOOK): Likewise.
1270         (alpha_stdarg_optimize_hook): Likewise.  Allow for one more round
1271         of indirection through ssa names while looking for the gpr counter
1272         field.
1273         (alpha_setup_incoming_varargs) <TARGET_ABI_OSF>: Make use of the
1274         saved va_list_gpr_size and va_list_fpr_size.
1275
1276 2005-04-17  Kazu Hirata  <kazu@cs.umass.edu>
1277
1278         * tree-vrp.c (compare_values): Check that VAL1 and VAL2 are
1279         both pointers or both integers.
1280
1281         * tree-vrp.c (maybe_add_assert_expr): Don't assert
1282         ASSERT_EXPRs for single-use variable.
1283
1284         * tree-into-ssa.c: Fix a comment typo.
1285
1286 2005-04-17  Richard Sandiford  <rsandifo@redhat.com>
1287
1288         * config/mips/iris6.h (DRIVER_SELF_SPECS): Check -march as well as
1289         -mipsN before forcing a default of -mips2.
1290
1291 2005-04-17  Kazu Hirata  <kazu@cs.umass.edu>
1292
1293         * predict.h (IS_TAKEN): Remove.
1294         * rtl.h (NOTE_PREDICTION): Likewise.
1295
1296         * modulo-sched.c (CFG_HOOKS): Remove.
1297
1298         * c-parser.c (N_C_TTYPES): Remove.
1299
1300         * tree-flow-inline.h (get_stmt_operands): Remove.
1301         * lambda-code.c, tree-ssa-loop-unswitch.c,
1302         tree-ssa-operands.c, tree-ssa-pre.c, tree-ssa-propagate.c,
1303         tree-ssa-sink.c, tree-ssa.c, tree-tailcall.c,
1304         tree-vect-transform.c, tree-vectorizer.c, tree-vrp.c): Remove
1305         calls to get_stmt_operands.
1306         * doc/tree-ssa.texi: Don't mention get_stmt_operands.
1307
1308 2005-04-17  Richard Henderson  <rth@redhat.com>
1309
1310         PR target/20375
1311         * config/alpha/alpha.c (alpha_setup_incoming_varargs): Advance a copy
1312         of CUMULATIVE_ARGS past the last named argument.
1313         (alpha_va_start): Expect pretend_args_size only if strictly less than
1314         6 named arguments.
1315
1316 2005-04-17  Kazu Hirata  <kazu@cs.umass.edu>
1317
1318         PR middle-end/21024
1319         * builtins.c (expand_builtin_strcat): Convert the result of
1320         strlen to the right type.
1321         * fold-const.c (fold_binary) <PLUS_EXPR>: Use fold_convert to
1322         avoid creating type mismatches.
1323         <GE_EXPR>: Pass op0 and op1 to fold_build2 to avoid creating
1324         type mismatches.
1325
1326         * c-lex.c (WCHAR_TYPE_SIZE, WCHAR_BYTES): Remove.
1327
1328 2005-04-16  Richard Henderson  <rth@redhat.com>
1329
1330         PR target/21051
1331         * builtins.c (expand_builtin) <BUILT_IN_BOOL_COMPARE_AND_SWAP_*>:
1332         Use the mode of boolean_type_node when the user doesn't provide one.
1333         * config/ia64/sync.md (sync_lock_release<I48MODE>): Use operand 1.
1334
1335 2005-04-16  Alexandre Oliva  <aoliva@redhat.com>
1336
1337         PR target/20126
1338         * loop.c (loop_givs_rescan): Handle non-replaceable (plus (reg)
1339         (const)).
1340
1341         * tree-scalar-evolution.c (interpret_rhs_modify_expr): Fix typo in
1342         comment.
1343
1344 2005-04-16  Roger Sayle  <roger@eyesopen.com>
1345             Steven Bosscher  <stevenb@suse.de>
1346
1347         * fold-const.c (fold_binary_to_constant): Delete obsolete comment.
1348         (fold_unary_to_constant): Likewise.
1349
1350 2005-04-16  Kazu Hirata  <kazu@cs.umass.edu>
1351
1352         * basic-block.h: Adjust the value of PROP_SCAN_DEAD_STORES,
1353         PROP_ASM_SCAN.
1354
1355 2005-04-16  Gerald Pfeifer  <gerald@pfeifer.com>
1356
1357         * doc/install.texi (Specific): Avoid using asterisks in @anchor
1358         names related to target triplets.
1359         Remove i?86-*-esix from platform directory.
1360         Remove powerpc-*-eabiaix from platform directory.
1361
1362 2005-04-16  Joseph S. Myers  <joseph@codesourcery.com>
1363
1364         PR middle-end/20491
1365         * config/ia64/ia64.c (rtx_needs_barrier): Recurse instead of
1366         falling through from SUBREG case to REG.
1367
1368 2005-04-15  Roger Sayle  <roger@eyesopen.com>
1369
1370         * fold-const.c (fold_relational_hi_lo): Delete function and prototype.
1371         (fold_binary): Update comment mentioning fold_relational_hi_lo.
1372         (fold_binary_to_constant): Simplify using fold_binary.
1373         (fold_unary_to_constant): Likewise, simplify using fold_unary.
1374
1375 2005-04-15  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
1376
1377         * gthr-posix.c (pthread_cancel): Define.
1378         (pthread_mutexattr_init): Likewise.
1379         (pthread_mutexattr_settype): Likewise.
1380         (pthread_mutexattr_destroy): Likewise.
1381
1382 2005-04-15  David S. Miller  <davem@davemloft.net>
1383
1384         PR target/20673
1385         * config/sparc/sparc.h (sparc_hard_reg_printed): Mark as GTY(()).
1386
1387 2005-04-15  Kazu Hirata  <kazu@cs.umass.edu>
1388
1389         PR tree-optimization/21031
1390         * tree-ssa-forwprop.c (ssa_name_defined_by_comparison_p): New.
1391         (forward_propagate_into_cond_1): Call it.  Forward propagate
1392         integer-integer casts into COND_EXPRs.
1393
1394 2005-04-15  Dave Korn  <dave.korn@artimi.com>
1395
1396         * gcc.c (default_compilers): Clarify obscure error message when
1397         reading from standard input.
1398
1399 2005-04-15  Kazu Hirata  <kazu@cs.umass.edu>
1400
1401         * basic-block.h (PROP_EQUAL_NOTES): Remove.
1402         * flow.c (propagate_one_insn): Don't use PROP_EQUAL_NOTES.
1403
1404         * tree-ssa-alias.c (init_alias_info): Remove a call to
1405         get_stmt_operands.
1406
1407 2005-04-15  Andrew MacLeod  <amacleod@redhat.com>
1408
1409         * tree-vect-analyze.c (vect_stmt_relevant_p): Process immediate uses
1410         of non-virtual PHI nodes like we use to.
1411
1412 2005-05-15  Paolo Bonzini  <bonzini@gnu.org>
1413
1414         * genattrtab.c (ATTR_EQ_ATTR_P): Remove.
1415         (attr_copy_rtx): Do not use it.
1416
1417 2005-04-15  Andrew Macleod  <amacleod@redhat.com>
1418
1419         * doc/tree-ssa.texi: Grammer/abbreviation updates.
1420
1421 2005-04-15  Diego Novillo  <dnovillo@redhat.com>
1422
1423         * tree-vect-transform.c (vectorizable_store): Mark necessary
1424         objects in the vectorized store needing renaming.  Update the
1425         SSA graph for V_MAY_DEF operands in the original store.
1426
1427 2005-04-14  Daniel Berlin <dberlin@dberlin.org>
1428
1429         * tree-ssa-pre.c (compute_avail): It's okay to have
1430         TREE_INVARIANT's here, and value number the resulting expressions.
1431         (create_expression_by_pieces): Make sure operands that were
1432         min_invariant when we started, stay that way.
1433
1434 2005-04-15  David Edelsohn  <edelsohn@gnu.org>
1435
1436         * doc/install.texi (*-ibm-aix*): Add comment about system limits.
1437
1438 2005-04-15  Kazu Hirata  <kazu@cs.umass.edu>
1439
1440         PR tree-optimization/20936.
1441         * tree-ssa-ccp.c (visit_assignment): Fix a typo.
1442
1443 2005-04-15  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
1444
1445         * doc/invoke.texi: Fix typos.
1446         * doc/md.texi: Likewise.
1447         * doc/rtl.texi: Likewise.
1448         * doc/sourcebuild.texi: Likewise.
1449         * doc/tm.texi: Likewise.
1450
1451 2005-04-15  Uros Bizjak  <uros@kss-loka.si>
1452
1453         PR tree-optimization/21004
1454         * convert.c (convert_to_integer): Convert ceilf, ceill, floorf
1455         and floorl in c99 mode only.
1456         * builtins.c (expand_builtin_int_roundingfn): Assert that
1457         fallback_fndecl is not NULL_TREE.
1458
1459 2005-04-15  Kazu Hirata  <kazu@cs.umass.edu>
1460
1461         * cfgrtl.c (purge_all_dead_edge): Remove an unused argument.
1462         * basic-block.h: Update the prototype for
1463         purge_all_dead_edges.
1464         * cfgexpand.c (tree_expand_cfg): Update a call to
1465         purge_all_dead_edges.
1466         * combine.c (combine_instructions): Likewise.
1467         * passes.c (rest_of_handle_old_regalloc, rest_of_handle_cse,
1468         rest_of_handle_cse2, rest_of_handle_gcse,
1469         rest_of_handle_postreload): likewise.
1470
1471 2005-04-15  Alexandre Oliva  <aoliva@redhat.com>
1472
1473         PR middle-end/20739
1474         * gimplify.c (gimplify_addr_expr): Compensate for removal of
1475         e.g. cv-qualification conversions.
1476
1477 2005-04-14  Mike Stump  <mrs@apple.com>
1478
1479         * config/darwin-c.c (framework_construct_pathname): We must
1480         find all headers of a framework in the first instance of it
1481         found in the seach path.
1482
1483 2005-04-14  Kazu Hirata  <kazu@cs.umass.edu>
1484
1485         PR tree-optimization/21021
1486         * tree-vrp.c (compare_values): Work around a bug in the front
1487         end that produces a comparison of mismatched types.
1488
1489 2004-04-14  Richard Henderson  <rth@redhat.com>
1490
1491         * config/ia64/ia64.h (enum fetchop_code): Remove.
1492         (enum ia64_builtins): Move ...
1493         * config/ia64/ia64.c (enum ia64_builtins): ... here.  Remove all
1494         members except BSP and FLUSHRS.
1495         (ia64_init_builtins): Remove __sync builtins.
1496         (ia64_expand_builtin): Likewise.
1497         (ia64_expand_fetch_and_op, ia64_expand_op_and_fetch): Remove.
1498         (ia64_expand_compare_and_swap, ia64_expand_lock_test_and_set): Remove.
1499         (ia64_expand_lock_release): Remove.
1500         * config/ia64/ia64.md (mf): Move to sync.md.
1501         (mf_internal, fetchadd_acq_si, fetchadd_acq_di, cmpxchg_acq_si,
1502         cmpxchg_acq_di, xchgsi, xchgdi): Likewise.
1503         * config/ia64/sync.md: New file.
1504         (memory_barrier): Rename from mf.
1505         (fetchadd_acq_<I48MODE>): Macroize from _si/_di patterns.
1506         (cmpxchg_acq_<I48MODE>): Likewise.
1507         (sync_lock_test_and_set<I48MODE>): Likewise.
1508
1509         * config/ia64/ia64intrin.h: Define nothing for C; limit #defines
1510         to c++.  Remove __sync* declarations.  s/_si/_4/.  s/_di/_8/.
1511
1512 2004-04-14  Richard Henderson  <rth@redhat.com>
1513
1514         * config/i386/i386.c (x86_cmpxchg, x86_xadd): New.
1515         (ix86_compare_emitted): New.
1516         (ix86_expand_compare): Use ix86_compare_emitted if set.
1517         (ix86_expand_setcc): Only emit REG_EQUAL if both ix86_compare_op0
1518         and ix86_compare_op0 are set.
1519         * config/i386/i386.h (x86_cmpxchg, x86_xadd): Declare.
1520         (TARGET_CMPXCHG, TARGET_XADD): New.
1521         (ix86_compare_emitted): Declare.
1522         * config/i386/i386.md: Include sync.md
1523         (UNSPECV_CMPXCHG_1, UNSPECV_CMPXCHG_2): New.
1524         (UNSPECV_XCHG, UNSPECV_LOCK): New.
1525         * config/i386/sync.md: New file.
1526
1527 2004-04-14  Richard Henderson  <rth@redhat.com>
1528
1529         PR middle-end/14311
1530         * builtin-types.def (BT_BOOL, BT_VOLATILE_PTR, BT_I1, BT_I2,
1531         BT_I4, BT_I8, BT_FN_VOID_VPTR, BT_FN_I1_VPTR_I1, BT_FN_I2_VPTR_I2,
1532         BT_FN_I4_VPTR_I4, BT_FN_I8_VPTR_I8, BT_FN_BOOL_VPTR_I1_I1,
1533         BT_FN_BOOL_VPTR_I2_I2, BT_FN_BOOL_VPTR_I4_I4, BT_FN_BOOL_VPTR_I8_I8,
1534         BT_FN_I1_VPTR_I1_I1, BT_FN_I2_VPTR_I2_I2, BT_FN_I4_VPTR_I4_I4,
1535         BT_FN_I8_VPTR_I8_I8): New.
1536         * builtins.def (DEF_SYNC_BUILTIN): New.
1537         (BUILT_IN_FETCH_AND_ADD_N, BUILT_IN_FETCH_AND_ADD_1,
1538         BUILT_IN_FETCH_AND_ADD_2, BUILT_IN_FETCH_AND_ADD_4,
1539         BUILT_IN_FETCH_AND_ADD_8, BUILT_IN_FETCH_AND_SUB_N,
1540         BUILT_IN_FETCH_AND_SUB_1, BUILT_IN_FETCH_AND_SUB_2,
1541         BUILT_IN_FETCH_AND_SUB_4, BUILT_IN_FETCH_AND_SUB_8,
1542         BUILT_IN_FETCH_AND_OR_N, BUILT_IN_FETCH_AND_OR_1,
1543         BUILT_IN_FETCH_AND_OR_2, BUILT_IN_FETCH_AND_OR_4,
1544         BUILT_IN_FETCH_AND_OR_8, BUILT_IN_FETCH_AND_AND_N,
1545         BUILT_IN_FETCH_AND_AND_1, BUILT_IN_FETCH_AND_AND_2,
1546         BUILT_IN_FETCH_AND_AND_4, BUILT_IN_FETCH_AND_AND_8,
1547         BUILT_IN_FETCH_AND_XOR_N, BUILT_IN_FETCH_AND_XOR_1,
1548         BUILT_IN_FETCH_AND_XOR_2, BUILT_IN_FETCH_AND_XOR_4,
1549         BUILT_IN_FETCH_AND_XOR_8, BUILT_IN_FETCH_AND_NAND_N,
1550         BUILT_IN_FETCH_AND_NAND_1, BUILT_IN_FETCH_AND_NAND_2,
1551         BUILT_IN_FETCH_AND_NAND_4, BUILT_IN_FETCH_AND_NAND_8,
1552         BUILT_IN_ADD_AND_FETCH_N, BUILT_IN_ADD_AND_FETCH_1,
1553         BUILT_IN_ADD_AND_FETCH_2, BUILT_IN_ADD_AND_FETCH_4,
1554         BUILT_IN_ADD_AND_FETCH_8, BUILT_IN_SUB_AND_FETCH_N,
1555         BUILT_IN_SUB_AND_FETCH_1, BUILT_IN_SUB_AND_FETCH_2,
1556         BUILT_IN_SUB_AND_FETCH_4, BUILT_IN_SUB_AND_FETCH_8,
1557         BUILT_IN_OR_AND_FETCH_N, BUILT_IN_OR_AND_FETCH_1,
1558         BUILT_IN_OR_AND_FETCH_2, BUILT_IN_OR_AND_FETCH_4,
1559         BUILT_IN_OR_AND_FETCH_8, BUILT_IN_AND_AND_FETCH_N,
1560         BUILT_IN_AND_AND_FETCH_1, BUILT_IN_AND_AND_FETCH_2,
1561         BUILT_IN_AND_AND_FETCH_4, BUILT_IN_AND_AND_FETCH_8,
1562         BUILT_IN_XOR_AND_FETCH_N, BUILT_IN_XOR_AND_FETCH_1,
1563         BUILT_IN_XOR_AND_FETCH_2, BUILT_IN_XOR_AND_FETCH_4,
1564         BUILT_IN_XOR_AND_FETCH_8, BUILT_IN_NAND_AND_FETCH_N,
1565         BUILT_IN_NAND_AND_FETCH_1, BUILT_IN_NAND_AND_FETCH_2,
1566         BUILT_IN_NAND_AND_FETCH_4, BUILT_IN_NAND_AND_FETCH_8,
1567         BUILT_IN_BOOL_COMPARE_AND_SWAP_N, BUILT_IN_BOOL_COMPARE_AND_SWAP_1,
1568         BUILT_IN_BOOL_COMPARE_AND_SWAP_2, BUILT_IN_BOOL_COMPARE_AND_SWAP_4,
1569         BUILT_IN_BOOL_COMPARE_AND_SWAP_8, BUILT_IN_VAL_COMPARE_AND_SWAP_N,
1570         BUILT_IN_VAL_COMPARE_AND_SWAP_1, BUILT_IN_VAL_COMPARE_AND_SWAP_2,
1571         BUILT_IN_VAL_COMPARE_AND_SWAP_4, BUILT_IN_VAL_COMPARE_AND_SWAP_8,
1572         BUILT_IN_LOCK_TEST_AND_SET_N, BUILT_IN_LOCK_TEST_AND_SET_1,
1573         BUILT_IN_LOCK_TEST_AND_SET_2, BUILT_IN_LOCK_TEST_AND_SET_4,
1574         BUILT_IN_LOCK_TEST_AND_SET_8, BUILT_IN_LOCK_RELEASE_N,
1575         BUILT_IN_LOCK_RELEASE_1, BUILT_IN_LOCK_RELEASE_2,
1576         BUILT_IN_LOCK_RELEASE_4, BUILT_IN_LOCK_RELEASE_8,
1577         BUILT_IN_SYNCHRONIZE: New.
1578         * builtins.c (called_as_built_in): Rewrite from CALLED_AS_BUILT_IN
1579         as a function.  Accept __sync_ as a prefix as well.
1580         (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
1581         expand_builtin_lock_test_and_set, expand_builtin_synchronize,
1582         expand_builtin_lock_release): New.
1583         (expand_builtin): Call them.
1584         * c-common.c (DEF_BUILTIN): Don't require __builtin_ prefix if
1585         neither BOTH_P nor FALLBACK_P are defined.
1586         (builtin_type_for_size): New.
1587         (sync_resolve_size, sync_resolve_params, sync_resolve_return): New.
1588         (resolve_overloaded_builtin): New.
1589         * c-common.h (resolve_overloaded_builtin): Declare.
1590         (builtin_type_for_size): Declare.
1591         * c-typeck.c (build_function_call): Invoke resolve_overloaded_builtin.
1592         * expr.c (sync_add_optab, sync_sub_optab, sync_ior_optab,
1593         sync_and_optab, sync_xor_optab, sync_nand_optab, sync_old_add_optab,
1594         sync_old_sub_optab, sync_old_ior_optab, sync_old_and_optab,
1595         sync_old_xor_optab, sync_old_nand_optab, sync_new_add_optab,
1596         sync_new_sub_optab, sync_new_ior_optab, sync_new_and_optab,
1597         sync_new_xor_optab, sync_new_nand_optab, sync_compare_and_swap,
1598         sync_compare_and_swap_cc, sync_lock_test_and_set,
1599         sync_lock_release): New.
1600         * optabs.h: Declare them.
1601         * expr.h (expand_val_compare_and_swap, expand_bool_compare_and_swap,
1602         expand_sync_operation, expand_sync_fetch_operation,
1603         expand_sync_lock_test_and_set): Declare.
1604         * genopinit.c (optabs): Add sync optabs.
1605         * optabs.c (init_optabs): Initialize sync optabs.
1606         (expand_val_compare_and_swap_1, expand_val_compare_and_swap,
1607         expand_bool_compare_and_swap, expand_compare_and_swap_loop,
1608         expand_sync_operation, expand_sync_fetch_operation,
1609         expand_sync_lock_test_and_set): New.
1610         * doc/extend.texi (Atomic Builtins): New section
1611         * doc/md.texi (Standard Names): Add sync patterns.
1612
1613 2005-04-14  Alexandre Oliva  <aoliva@redhat.com>
1614
1615         * tree-eh.c (lower_try_finally_copy): Generate new code in
1616         response to goto_queue entries as if the queue was sorted by
1617         index, not pointers.
1618         (lower_try_finally_switch): Likewise.
1619
1620 2005-04-14  Richard Henderson  <rth@redhat.com>
1621
1622         * config/i386/i386.c (ix86_expand_sse_cmp): Split out from ...
1623         (ix86_expand_sse_movcc): ... here.  Take cmp as a pre-computed
1624         register.
1625         (ix86_expand_fp_movcc): Update to match.
1626         (ix86_expand_fp_vcond, ix86_expand_int_vcond): New.
1627         * config/i386/i386-protos.h: Update.
1628         * config/i386/sse.md (vcondv4sf, vcondv2df): New.
1629         (vcond<SSEMODE124>, vcondu<SSEMODE12>): New.
1630
1631 2005-04-14  Joseph S. Myers  <joseph@codesourcery.com>
1632
1633         * doc/cpp.texi, doc/install.texi: Change references to GCC 3.5 to
1634         refer to 4.0.
1635
1636 2005-04-14  Julian Brown  <julian@codesourcery.com>
1637
1638         * Revert elfos.h part of my patch from 2005-04-13 for causing libstdc++
1639         link failures on ppc64 Linux.
1640
1641 2005-04-14  Andreas Krebbel  <krebbel1@de.ibm.com>
1642
1643         * config.gcc: Set cpu_type for s390.
1644
1645 2005-04-14  Daniel Berlin  <dberlin@dberlin.org>
1646
1647         Fix PR tree-optimization/20963
1648         * tree-ssa-pre.c (compute_avail): Remove special case for
1649         TREE_INVARIANT.
1650         (create_expression_by_pieces): Add value numbers for forced out
1651         statements.
1652
1653 2005-04-14  Hans-Peter Nilsson  <hp@axis.com>
1654
1655         * config/cris/cris.md: Replace references to (reg:SI 16) with
1656         (reg:SI CRIS_SRP_REGNUM).
1657
1658 2005-04-14  Kazu Hirata  <kazu@cs.umass.edu>
1659
1660         PR tree-optimization/20657
1661         * tree-vrp.c (extract_range_from_expr): Notice INTEGER_CST to
1662         create an appropriate range from it.
1663
1664 2005-04-14  Uros Bizjak  <uros@kss-loka.si>
1665
1666         * reg-stack.c (subst_stack_regs_pat): Handle <UNSPEC_FIST_FLOOR> and
1667         <UNSPEC_FIST_CEIL> case.
1668
1669         * config/i386/i386.md (UNSPEC_FIST_FLOOR, UNSPEC_FIST_CEIL): New.
1670         (*fist<mode>2_floor_1, fistdi2_floor, fistdi2_floor_with_temp)
1671         (fist<mode>2_floor, fist<mode>2_floor_with_temp): New isns patterns
1672         to implement lfloor and llfloor built-ins as x87 intrinsic function.
1673         (fistdi2_floor, fist<mode>2_floor splitters): New splitters.
1674         (lfloor<mode>2): New expanders.
1675         (*fist<mode>2_ceil_1, fistdi2_ceil, fistdi2_ceil_with_temp)
1676         (fist<mode>2_ceil, fist<mode>2_ceil_with_temp): New isns patterns
1677         to implement lceil and llceil built-ins as x87 intrinsic function.
1678         (fistdi2_ceil, fist<mode>2_ceil splitters): New splitters.
1679         (lceil<mode>2): New expanders.
1680
1681 2005-04-14  Uros Bizjak  <uros@kss-loka.si>
1682
1683         * convert.c (convert_to_integer): Convert (long int)trunc{,f,l},
1684         and (long long int)ceil{,f,l} into FIX_TRUNC_EXPR.
1685
1686 2005-04-14  Ulrich Weigand  <uweigand@de.ibm.com>
1687
1688         PR target/20927
1689         * config/s390/s390-modes.def: Define TFmode.
1690
1691 2005-04-13  Richard Sandiford  <rsandifo@redhat.com>
1692
1693         * config/mips/mips.h (ASM_OUTPUT_CASE_LABEL): Delete.
1694         (JUMP_TABLES_IN_TEXT_SECTION): Define.
1695         * config/mips/mips.c (mips16_insn_length): Remove reference to
1696         JUMP_TABLES_IN_TEXT_SECTION.
1697
1698 2005-04-13 Fariborz Jahanian <fjahanian@apple.com>
1699
1700         * simplify-rtx.c (simplify_binary_operation_1): Return
1701         scalar or vector of constant 0, depending on the xor's
1702         mode.
1703
1704 2005-04-13  Dale Johannesen  <dalej@apple.com>
1705
1706         * objc/Make-lang.in (objc-lang.o):  Depend on tree-gimple.h.
1707         (objc-act.o):  Ditto.
1708         * objc/objc-act.c (objc_gimplify_expr):  New.
1709         (objc_get_callee_fndecl):  New.
1710         * objc/objc-act.h:  Include tree-gimple.h.  Declare new functions.
1711         * objc/objc-lang.c (LANG_HOOKS_GIMPLIFY_EXPR):  Define.
1712         (LANG_HOOKS_GET_CALLEE_FNDECL):  Define.
1713
1714 2005-04-13  Devang Patel  <dpatel@apple.com>
1715
1716         * tree-if-conv.c (tree_if_convert_cond_expr): Do not create extra
1717         temp variables.
1718
1719 2005-04-13  Hans-Peter Nilsson  <hp@axis.com>
1720
1721         CRIS prologue as RTL.
1722         * config/cris/cris-protos.h (cris_emit_movem_store)
1723         (cris_expand_prologue): Prototype.
1724         * config/cris/cris.c (struct machine_function): New member
1725         stdarg_regs.
1726         (cfa_label_num, cris_target_asm_function_prologue): Remove.
1727         (TARGET_ASM_FUNCTION_PROLOGUE): Don't override.
1728         (cris_general_operand_or_gotless_symbol): Accept CRIS_UNSPEC_GOT.
1729         (cris_load_multiple_op, cris_return_address_on_stack)
1730         (cris_return_address_on_stack_for_return): ISO-Cify.
1731         (cris_store_multiple_op): New predicate function.
1732         (cris_expand_prologue, cris_emit_movem_store): New functions.
1733         (cris_print_operand) <case 'O'>: Handle modifications other than
1734         post-increment.
1735         (cris_symbol, cris_got_symbol): Return 0 for CRIS_UNSPEC_GOT.
1736         (cris_gotless_symbol): Return 1 for CRIS_UNSPEC_GOT.
1737         (cris_gen_movem_load): Rearrange slightly to make local variable
1738         src a parameter, removing osrc.
1739         (cris_setup_incoming_varargs): Set machine_function member
1740         stdarg_regs to correspond to the number of registers that need to
1741         be saved.
1742         * config/cris/cris.h (EXTRA_CONSTRAINT_S): Accept
1743         CRIS_UNSPEC_GOT.
1744         (PREDICATE_CODES): Add cris_store_multiple_op.  Make
1745         cris_general_operand_or_gotless_symbol accept UNSPEC.
1746         * config/cris/cris.md (CRIS_UNSPEC_GOT): New constant.
1747         ("*movsi_internal") <alternative 8>: Handle CRIS_UNSPEC_GOT.
1748         ("*cris_store_multiple"): New pattern.  Tweak common comment above
1749         this and "*cris_load_multiple".
1750         ("prologue"): New define_expand.
1751
1752         * config/cris/cris.md ("epilogue"): Conditionalize on
1753         TARGET_PROLOGUE_EPILOGUE.
1754
1755 2005-04-13  Steve Ellcey  <sje@cup.hp.com>
1756
1757         PR target/20924
1758         * config/ia64/ia64.md (divsf3_internal_lat): Generate frcpa with
1759         fpsr 0 instead of fpsr 1.
1760         (divsf3_internal_thr): Ditto.
1761         (divdf3_internal_lat): Ditto.
1762         (divdf3_internal_thr): Ditto.
1763         (divxf3_internal_lat): Ditto.
1764         (divxf3_internal_thr): Ditto.
1765
1766 2005-04-13  Kazu Hirata  <kazu@cs.umass.edu>
1767
1768         PR tree-optimization/20913
1769         * tree-ssa-copy.c (copy_prop_visit_cond_stmt): Fold COND_EXPR.
1770
1771         PR tree-optimization/20702
1772         * tree-vrp.c (maybe_add_assert_expr): Recurse into
1773         dominator children that haven't been walked into.
1774
1775 2005-04-13  Julian Brown  <julian@codesourcery.com>
1776
1777         * config/elfos.h (MAKE_DECL_ONE_ONLY): Redefined to stop DECL_WEAK from
1778         being used for symbols with vague linkage when HAVE_GAS_COMDAT_GROUP
1779         is true.
1780
1781 2005-04-13  Kazu Hirata  <kazu@cs.umass.edu>
1782
1783         * basic-block.h, tree-ssa-uncprop.c, varasm.c,
1784         config/i386/sse.md: Fix comment typos.
1785
1786         * genattrtab.c (NULL_ATTR): Remove.
1787         * ifcvt.c (NULL_EDGE): Likewise.
1788
1789         * rtl.h (RTX_EXPR_FIRST, RTX_EXPR_LAST): Remove.
1790
1791         * rtl.h (NOTE_PREDICTION_ALG, NOTE_PREDICTION_FLAGS,
1792         NOTE_PREDICT): Remove.
1793
1794 2005-04-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
1795
1796         * configure.ac (gcc_AC_CHECK_DECLS): Add vsnprintf.
1797         * configure: Regenerate.
1798         * config.in: Likewise.
1799         * system.h: Declare vsnprintf if not already declared.
1800
1801 2005-04-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
1802
1803         * optc-gen.awk: Handle stand-alone Mask records.
1804         * opth-gen.awk: Likewise.
1805         * doc/options.texi (Option file format): Document them.
1806         * config.gcc (sparc-*-netbsdelf*, sparc-*-linux*, sparc64-*-freebsd*,
1807         sparc64-*-linux*, sparc64-*-netbsd*): Add long-double-switch.opt.
1808         (sparc64-*-openbsd*, sparc64-*-elf*): Add little-endian.opt.
1809         * config/sparc/sparc.h (MASK_FPU, MASK_UNALIGNED_DOUBLES,
1810         MASK_V8, MASK_SPARCLITE, MASK_SPARCLET, MASK_V9,
1811         MASK_DEPRECATED_V8_INSNS, MASK_IMPURE_TEXT, MASK_APP_REGS,
1812         MASK_HARD_QUAD, MASK_LITTLE_ENDIAN, MASK_PTR64, MASK_64BIT,
1813         MASK_STACK_BIAS, MASK_FPU_SET, MASK_VIS, MASK_V8PLUS,
1814         MASK_FASTER_STRUCTS, MASK_LONG_DOUBLE_128): Delete.
1815         (TARGET_FPU, TARGET_UNALIGNED_DOUBLES, TARGET_V8, TARGET_SPARCLITE,
1816         TARGET_SPARCLET, TARGET_V9, TARGET_DEPRECATED_V8_INSNS,
1817         TARGET_IMPURE_TEXT, TARGET_APP_REGS, MASK_HARD_QUAD,
1818         TARGET_LITTLE_ENDIAN, TARGET_PTR64, TARGET_64BIT, MASK_STACK_BIAS,
1819         TARGET_FPU_SET, TARGET_VIS, TARGET_V8PLUS, TARGET_FASTER_STRUCTS,
1820         TARGET_LONG_DOUBLE_128): Likewise.
1821         (TARGET_SWITCHES, SUBTARGET_SWITCHES): Likewise.
1822         (TARGET_OPTIONS, SUBTARGET_OPTIONS): Likewise.
1823         * config/sparc/freebsd.h (SUBTARGET_SWITCHES): Likewise.
1824         * config/sparc/linux.h (SUBTARGET_SWITCHES): Likewise.
1825         * config/sparc/linux64.h (SUBTARGET_SWITCHES): Likewise.
1826         * config/sparc/netbsd-elf.h (SUBTARGET_SWITCHES): Likewise.
1827         * config/sparc/sp64-elf.h (SUBTARGET_SWITCHES): Likewise.
1828         * config/sparc/sparc.c (fpu_option_set): New global.
1829         (sparc_handle_option): New function.
1830         (sparc_override_options): Test fpu_option_set.
1831         (TARGET_DEFAULT_TARGET_FLAGS): Set to TARGET_DEFAULT.
1832         (TARGET_HANDLE_OPTION): Set to sparc_handle_option.
1833         * config/sparc/sparc.opt: New file.
1834         * config/sparc/little-endian.opt: Likewise.
1835         * config/sparc/long-double-switch.opt: Likewise.
1836
1837 2005-04-13  Bernd Schmidt  <bernd.schmidt@analog.com>
1838
1839         * config/bfin/bfin.c (bfin_lib_id_given): New static variable.
1840         (bfin_handle_options): Set it if -mshared-library-id= is seen.
1841         * config/bfin/bfin.opt (mshared-library-id=): Lose
1842         Var(bfin_lib_id_given).
1843
1844 2005-04-13  Matt Thomas  <matt@3am-software.com>
1845
1846         * config/rs6000/sysv4.h (NO_IMPLICIT_EXTERN_C): undefine before
1847         defining.
1848
1849 2005-04-13  Kazu Hirata  <kazu@cs.umass.edu>
1850
1851         * rtl.h (CLEAR_RTX_FLAGS): Remove.
1852
1853         * cgraphunit.c (INSNS_PER_CALL): Remove.
1854
1855         * tree-ssa-forwprop.c (vars,
1856         record_single_argument_cond_exprs,
1857         substitute_single_use_vars): Remove.
1858         (forward_propagate_into_cond_1, forward_propagate_into_cond):
1859         New.
1860         (tree_ssa_forward_propagate_single_use_vars): Call
1861         forward_propagate_into_cond for each COND_EXPR.
1862
1863         * tree-inline.c (INSNS_PER_STMT): Remove.
1864
1865 2005-04-12  Richard Henderson  <rth@redhat.com>
1866
1867         * config/i386/i386.c (ix86_prepare_sse_fp_compare_args): Split ...
1868         (ix86_expand_sse_fp_minmax): ... from ...
1869         (ix86_expand_fp_movcc): ... here.
1870         (ix86_expand_sse_movcc): Rewrite from ix86_split_sse_movcc.
1871         * config/i386/i386-protos.h: Update.
1872         * config/i386/i386.md (UNSPEC_IEEE_MIN, UNSPEC_IEEE_MAX): New.
1873         (sse_setccsf, sse_setccdf): Allow before reload.
1874         (movsfcc_1_sse_min, movsfcc_1_sse_max, movsfcc_1_sse): Remove.
1875         (movdfcc_1_sse_min, movdfcc_1_sse_max, movdfcc_1_sse): Remove.
1876         (ieee_sminsf3, ieee_smaxsf3, ieee_smindf3, ieee_smaxdf3): New.
1877         * config/i386/sse.md (andsf3, nandsf3, iorsf3, xorsf3): New.
1878         (anddf3, nanddf3, iordf3, xordf3): New.
1879
1880 2005-04-12  Jeff Law  <law@redhat.com>
1881
1882         * Makefile.in (OBJS-common): Add tree-ssa-uncprop.o.
1883         (tree-ssa-uncprop.o): Add dependencies.
1884         * tree-cfg.c (remove_useless_stmts_bb, remove_useless_stmts): Remove.
1885         * tree-flow.h (remove_useless_stmts): Remove prototype.
1886         * tree-outof-ssa.c (rewrite_out_of_ssa): Remove call to
1887         remove_useless_stmts.
1888         * timevar.def (TV_TREE_SSA_UNCPROP): New timevar.
1889         * tree-optimize.c (init_tree_optimization_passes): Add uncprop pass.
1890         * tree-pass.h (pass_uncprop): Declare.
1891         * tree-ssa-uncprop.c: New file.
1892
1893 2005-04-12  James E. Wilson  <wilson@specifixinc.com>
1894
1895         PR target/20670
1896         * unwind-ia64.c (uw_intall_context): Add missing load of r27.
1897
1898 2005-04-12  Caroline Tice  <ctice@apple.com>
1899
1900         Temporary fix for partitioning problems.
1901         * passes.c (rest_of_handle_final): Remove code that
1902         frees unlikely_text_section_name,
1903         * varasm.c (assemble_start_function): Test for partitioning
1904         flag before writing out section labels.
1905         (assemble_end_function): Test for partitioning flag before
1906         writing out section labels.
1907
1908 2005-04-12  Steven Bosscher  <stevenb@suse.de>
1909             Stuart Hastings <stuart@apple.com>
1910             Jan Hubicka  <jh@suse.cz>
1911
1912         * Makefile.in: Add function.h to BASIC_BLOCK_H.  Remove all
1913         references to gt-tree-cfg.h.
1914         * basic-block.h (struct basic_block_def): Don't skip rbi
1915         for garbage collection.
1916         (struct reorder_block_def): Make GTY-able.
1917         (struct control_flow_graph): New structure.
1918         (n_edges, n_basic_blocks, last_basic_block, basic_block_info,
1919         BASIC_BLOCK, EXIT_BLOCK_PTR, ENTRY_BLOCK_PTR): No longer vars,
1920         but instead defines to the control_flow_graph for cfun.
1921         (label_to_block_map): New define, points to the label map of
1922         the control_flow_graph for cfun.
1923         (n_edges_for_function, n_basic_blocks_for_function,
1924         last_basic_block_for_function, basic_block_info_for_function,
1925         EXIT_BLOCK_PTR_FOR_FUNCTION, ENTRY_BLOCK_PTR_FOR_FUNCTION,
1926         basic_block_info_for_function, label_to_block_map_for_function):
1927         Counterparts for the above, taking a struct function as an extra
1928         argument.
1929         (alloc_rbi_pool, free_rbi_pool): Remove prototypes.
1930         * cfg.c: (n_edges, n_basic_blocks, last_basic_block,
1931         basic_block_info, ENTRY_BLOCK_PTR, EXIT_BLOCK_PTR): Remove.
1932         (alloc_rbi_pool, free_rbi_pool): Remove.
1933         (initialize_bb_rbi): Use ggc_alloc_cleared instead of pool_alloc.
1934         * cfglayout.c: (cfg_layout_initialize): Don't allocate the rbi pool
1935         here...
1936         (cfg_layout_finalize) ... and don't free it here.
1937         * cfgrtl.c (cfg_layout_delete_block): Zero out rbi so it gets
1938         garbage collected.
1939         * flow.c (free_basic_block_vars): Set label_to_block_map and
1940         n_edges to zero too.
1941         * function.h (struct function): Add cfg field.
1942         * function.c (allocate_struct_function): Allocate the cfg.
1943         * tree-cfg.c (label_to_block_map): Remove.
1944         (build_tree_cfg): Don't allocate the rbi pool here...
1945         (delete_tree_cfg_annotations): ...and don't free it here.
1946         Also don't nullify label_to_block_map for cfun.
1947
1948 2005-04-12  Caroline Tice  <ctice@apple.com>
1949
1950         * bb-reorder.c (find_rarely_executed_basic_blocks_and_crossing_edges):
1951         Revert my patch from April 9.
1952         (fix_edges_for_rarely_executed_code): Revert my patch from April 9.
1953         (reorder_basic_blocks): Revert my patch from April 9.
1954         (insert_section_boundary_note): Revert my patch from April 9.
1955         * dbxout.c (dbxout_function_end): Revert my patch from April 9.
1956         * dwarf2out.c (COLD_TEXT_SECTION_LABEL): Revert my patch from April 9.
1957         (COLD_END_LABEL):  Revert my patch from April 9.
1958         (cold_text_section_label):  Revert my patch from April 9.
1959         (cold_end_label): Revert my patch from April 9.
1960         (dwarf2out_switch_text_section): Revert my patch from April 9.
1961         (output_aranges): Revert my patch from April 9.
1962         (output_ranges):  Revert my patch from April 9.
1963         (output_line_info): Revert my patch from April 9.
1964         (add_location_or_const_value_attribute):  Revert my patch from April 9.
1965         (dwarf2out_var_location): Revert my patch from April 9.
1966         (dwarf2out_init):  Revert my patch from April 9.
1967         (dwarf2out_finish): Revert my patch from April 9.
1968         * function.h (struct function): Revert my patch from April 9.
1969         * opts.c (decode_options): Revert my patch from April 9.
1970         * output.h (unlikely_section_label, hot_section_label,
1971         hot_section_end_label, cold_section_end_label,
1972         unlikely_text_section_name): Revert my patch from April 9.
1973         * passes.c (rest_of_handle_final): Revert my patch from April 9.
1974         * varasm.c (unlikely_section_label, hot_section_label,
1975         hot_section_end_label, cold_section_end_label,
1976         unlikely_text_section_name): Revert my patch from April 9.
1977         (initialize_cold_section_name): Revert my patch from April 9.
1978         (unlikely_text_section): Revert my patch from April 9.
1979         (in_unlikely_text_section): Revert my patch from April 9.
1980         (named_section): Revert my patch from April 9.
1981         (function_section): Revert my patch from April 9.
1982         (current_function_section): Revert my patch from April 9.
1983         (assemble_start_function): Revert my patch from April 9.
1984         (assemble_end_function): Revert my patch from April 9.
1985         (default_section_type_flags_1): Revert my patch from April 9.
1986
1987 2005-04-12  Eric Botcazou  <ebotcazou@libertysurf.fr>
1988
1989         * config/sparc/sparc.h (APPLY_RESULT_SIZE): Set to 24 in 64-bit mode.
1990         * config/sparc/sparc.md (untyped_call): Save the registers manually.
1991
1992         * config/sparc/sparc.c (legitimate_address_p): Use TARGET_ARCH32.
1993
1994 2005-04-12  Ulrich Weigand  <uweigand@de.ibm.com>
1995
1996         PR middle-end/20917
1997         * config/s390/s390.md ("*set_tp"): Use SET in pattern.
1998         ("set_tp_64", "set_tp_31"): Adapt expanded pattern.
1999
2000 2004-04-12  Richard Henderson  <rth@redhat.com>
2001
2002         * config/i386/i386.md (UNSPEC_FIX, UNSPEC_MOVA, UNSPEC_SHUFFLE,
2003         UNSPEC_PSHUFLW, UNSPEC_PSHUFHW, UNSPEC_ADDSUB, UNSPEC_HADD,
2004         UNSPEC_HSUB, UNSPEC_MOVSHDUP, UNSPEC_MOVSLDUP, UNSPEC_MOVDDUP): Remove.
2005         (UNSPEC_*, UNSPECV_*): Renumber.
2006
2007 2005-04-12  Frank Ch. Eigler  <fche@redhat.com>
2008
2009         PR mudflap/19266
2010         From Richard Henderson <rth@redhat.com>:
2011         * tree-mudflap.c (mf_build_check_statement_for): Correct block
2012         splitting logic.
2013
2014 2005-04-12  Dorit Naishlos  <dorit@il.ibm.com>
2015
2016         * tree-cfg.c (tree_verify_flow_info): Use LABEL_EXPR_LABEL.
2017
2018 2005-04-12  Bernd Schmidt  <bernd.schmidt@analog.com>
2019
2020         * config/bfin/bfin.c (bfin_library_id_string): Remove.
2021         (bfin_library_id): New variable.
2022         (bfin_expand_prologue): Use bfin_library_id and bfin_lib_id_given
2023         instead of bfin_library_id_string.
2024         (bfin_handle_option): New function.
2025         (override_options): Remove most code to deal with shared library IDs,
2026         just check they aren't used without -mid-shared-library.
2027         (TARGET_HANDLE_OPTION): Define.
2028         * config/bfin/bfin.h (TARGET_OPTIONS): Delete macro.
2029         * config/bfin/bfin.opt (mshared-library-id=): New.
2030
2031 2005-04-12  Kazu Hirata  <kazu@cs.umass.edu>
2032
2033         * tree-vect-transform.c: Fix comment typos.
2034
2035 2005-04-12 Mostafa Hagog <mustafa@il.ibm.com>
2036
2037         * postreload-gcse.c (eliminate_partially_redundant_load): Don't
2038         split critical edges when not possible/profitable.
2039
2040 2005-04-12  Richard Sandiford  <rsandifo@redhat.com>
2041
2042         * config/ns32k/ns32k.h (target_flags, MASK_32081, MASK_RTD)
2043         (MASK_REGPARM, MASK_32532, MASK_32332, MASK_NO_SB, MASK_NO_BITFIELD)
2044         (MASK_HIMEM, MASK_32381, MASK_MULT_ADD, MASK_SRC, MASK_IEEE_COMPARE)
2045         (TARGET_32081, TARGET_32381, TARGET_MULT_ADD, TARGET_RTD)
2046         (TARGET_REGPARM, TARGET_32532, TARGET_32332, TARGET_SB, TARGET_HIMEM)
2047         (TARGET_BITFIELD, TARGET_IEEE_COMPARE, TARGET_SWITCHES): Delete.
2048         (OVERRIDE_OPTIONS): Clear MASK_SB instead of setting MASK_NO_SB.
2049         * config/ns32k/netbsd.h (TARGET_DEFAULT): Remove MASK_NO_SB and
2050         MASK_NO_BITFIELD.
2051         * config/ns32k/ns32k.c (ns32k_handle_option): New function.
2052         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
2053         * config/ns32k/ns32k.opt: New file.
2054
2055 2005-04-12  Richard Sandiford  <rsandifo@redhat.com>
2056
2057         * config.gcc (m68k-*-linux*): Add m68k/ieee.opt to $extra_options.
2058         * config/m68k/m68k.h (target_flags, MASK_68020, TARGET_68020)
2059         (MASK_68030, TARGET_68030, MASK_68040, TARGET_68040, MASK_68040_ONLY)
2060         (TARGET_68040_ONLY, MASK_68060, TARGET_68060, MASK_5200, TARGET_5200)
2061         (MASK_CFV3, TARGET_CFV3, MASK_CFV4, TARGET_CFV4, MASK_528x)
2062         (TARGET_528x, MASK_CF_HWDIV, TARGET_CF_HWDIV, MASK_68881, TARGET_68881)
2063         (MASK_BITFIELD, TARGET_BITFIELD, MASK_SHORT, TARGET_SHORT)
2064         (MASK_ALIGN_INT, TARGET_ALIGN_INT, MASK_PCREL, TARGET_PCREL)
2065         (MASK_NO_STRICT_ALIGNMENT, TARGET_STRICT_ALIGNMENT, MASK_RTD)
2066         (TARGET_RTD, MASK_SEP_DATA, TARGET_SEP_DATA, MASK_ID_SHARED_LIBRARY)
2067         (TARGET_ID_SHARED_LIBRARY, MASK_ALL_CF_BITS, TARGET_SWITCHES)
2068         (TARGET_OPTIONS, SUBTARGET_SWITCHES, SUBTARGET_OPTIONS): Delete.
2069         (MASK_COLDFIRE): Formatting fixes.
2070         (TARGET_COLDFIRE): Turn into a boolean value for consistency.
2071         * config/m68k/linux.h (SUBTARGET_SWITCHES): Delete.
2072         * config/m68k/m68k.c (m68k_library_id_string): Initialize to
2073         "_current_shared_library_a5_offset_".
2074         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
2075         (MASK_ALL_CPU_BITS): New macro.
2076         (m68k_handle_option): New function.
2077         (override_options): Remove handling of m68k_library_id_string.
2078         * config/m68k/m68k.opt: New file.
2079         * config/m68k/ieee.opt: New file.
2080
2081 2005-04-11  Mark Mitchell  <mark@codesourcery.com>
2082
2083         * target-def.h (TARGET_CXX_EXPORT_CLASS_DATA): Remove.
2084         (TARGET_CXX_DETERMINE_CLASS_VISIBILITY): New macro.
2085         (TARGET_CXX_CLASS_DATA_ALWAYS_COMDAT): Likewise.
2086         (TARGET_CXX): Adjust accordingly.
2087         * target.h (struct gcc_target): Remove epxort_class_data.  Add
2088         determine_class_data_visibility and class_data_always_comdat.
2089         * doc/tm.texi (TARGET_CXX_EXPORT_CLASS_DATA): Remove.
2090         (TARGET_CXX_DETERMINE_CLASS_DATA_VISIBILITY): Document.
2091         (TARGET_CXX_CLASS_DATA_ALWAYS_COMDAT): Likewise.
2092         * config/arm/arm.c (arm_cxx_export_class_data): Remove.
2093         (arm_cxx_determine_class_data_visibility): New.
2094         (arm_cxx_class_data_always_comdat): Likewise.
2095         (TARGET_CXX_EXPORT_CLASS_DATA): Remove.
2096         (TARGET_CXX_DETERMINE_CLASS_DATA_VISIBILITY): Define.
2097         (TARGET_CXX_CLASS_DATA_ALWAYS_COMDAT): Likewise.
2098         * config/arm/arm.h (TARGET_ARM_DYNAMIC_VAGUE_LINKAGE_P): Define.
2099         * config/arm/symbian.h (TARGET_ARM_DYNAMIC_VAGUE_LINKAGE_P):
2100         Define.
2101
2102 2005-04-11  Devang Patel  <dpatel@apple.com>
2103
2104         * tree-data-ref.c (build_classic_dist_vector,
2105         compute_subscript_distance): Make externally visible.
2106         * tree-data-ref.h (build_classic_dist_vector,
2107         compute_subscript_distance): Same.
2108         * tree-vect-analyze.c (vect_analyze_data_ref_dependence):
2109         Check distance vector against vectorization factor.
2110         (vect_analyze_loop): Determine vectorizaion factor before
2111         analyzing data dependences.
2112         * tree-vectorizer.c (loops_num): Make it externally visible and
2113         rename ...
2114         * tree-vectorizer.c (vect_loops_num): ... new name.
2115         * tree-vectorizer.h  (vect_loops_num): New.
2116
2117 2005-04-11  Devang Patel  <dpatel@apple.com>
2118
2119         * tree-vect-analyze.c (vect_analyze_operations): Check
2120         vectorizable codition.
2121         * tree-vect-transform.c (vect_is_simple_cond): New function.
2122         (vectorizable_condition): New function.
2123         (vect_transform_stmt): Handle condition_vec_info_type.
2124         * tree-vectorizer.h (enum stmt_vec_info_type): Add
2125         condition_vec_info_type.
2126         (vectorizable_condition): New.
2127
2128 2005-04-11  Geoffrey Keating  <geoffk@apple.com>
2129
2130         * config/i386/i386.h (TARGET_FPMATH_DEFAULT): New.
2131         * config/i386/darwin.h (TARGET_FPMATH_DEFAULT): New.
2132         * config/i386/i386.c (override_options): Use TARGET_FPMATH_DEFAULT.
2133
2134         * config/i386/darwin.h (ASM_SPEC): Use -arch i386 not -arch i686.
2135         (SUBTARGET_EXTRA_SPECS): Always 'i386'.
2136
2137         * dwarf2out.c (output_line_info): Don't try to dereference
2138         a NULL current_function_decl.
2139
2140         * config/t-slibgcc-darwin: Don't put shared libraries in
2141         directories other than $(slibdir).
2142         * config/rs6000/darwin.h: Find -m64 libgcc under the name the
2143         OS uses for it.
2144
2145 2005-04-11  Diego Novillo  <dnovillo@redhat.com>
2146
2147         PR tree-optimization/20933
2148         * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Move
2149         logic to reject aliases between read-only and writable
2150         variables ...
2151         (may_alias_p): ... here.
2152         (get_tmt_for): Do not associate read-only tags to pointers
2153         whose pointed-to type is not read-only.
2154         * tree-ssa.c (verify_ssa): Check that memory stores have at
2155         least one V_MAY_DEF or V_MUST_DEF.
2156
2157 2005-04-11  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2158
2159         PR/17092
2160         * configure.ac (gcc_UNLOCKED_FUNCS): New.
2161         (AC_CHECK_FUNCS, AC_CHECK_DECLS): Check for gcc_UNLOCKED_FUNCS.
2162         * system.h (putchar, getc, getchar, clearerr, feof, fileno,
2163         fflush, fgetc, fgets, ferror, fread): Redefine to the associated
2164         _unlocked function.
2165         (fwrite_unlocked): Fix prototype.
2166
2167         * configure, config.in: Regenerate.
2168
2169 2005-04-11  David Edelsohn  <edelsohn@gnu.org>
2170
2171         * tree-ssa-loop-im.c: Include real.h.
2172         (determine_invariantness_stmt): If real division divisor is
2173         invariant and flag_unsafe_math_optimizations enabled, generate
2174         invariant reciprocal for hoisting.
2175         * Makefile.in (tree-ssa-loop-im.o): Add real.h dependency.
2176
2177 2005-04-11  Daniel Berlin  <dberlin@dberlin.org>
2178
2179         Fix PR tree-optimization/20926
2180
2181         * tree-ssa-alias.c (add_type_alias): Handle subvars.
2182
2183 2005-04-11  Devang Patel  <dpatel@apple.com>
2184
2185         * config/rs6000.c (rs6000_emit_vector_select): Fix vector select
2186         operand ordering.
2187
2188 2005-04-11  Andrew Pinski  <pinskia@physics.uc.edu>
2189
2190         * fold-const.c (fold_binary_op_with_conditional_arg):
2191         use fold_buildN instead of "fold (buildN" in some
2192         non obvious places.
2193         (fold_unary): Likewise.
2194         (fold_binary): Likewise.
2195
2196 2005-04-11  Daniel Berlin  <dberlin@dberlin.org>
2197
2198         Fix PR tree-optimization/20612
2199         * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Fix increment
2200         handling
2201         (perfect_nestify): preheaderbb is *not* part of loop of the
2202         old destination.
2203
2204 2005-04-11  Andrew Pinski  <pinskia@physics.uc.edu>
2205
2206         * tree-ssa-alias.c (may_alias_p): If the variable
2207         is a global variable and the pointer is parameter
2208         and -fargument-noalias-global is used, then
2209         the pointer cannot alias the variable.
2210
2211 2005-04-11  James A. Morrison  <phython@gcc.gnu.org>
2212
2213         * config/sparc/sparc.c: Use gcc_assert and gcc_unreachable.
2214         * config/sparc/sparc.h: Likewise.
2215         * config/sparc/sparc.md: Likewise.
2216
2217 2005-04-11  Kazu Hirata  <kazu@cs.umass.edu>
2218
2219         * tree-vrp.c (maybe_add_assert_expr): Move a comment.
2220
2221         * tree-vrp.c: Fix a comment typo.
2222
2223 2005-04-11  Diego Novillo  <dnovillo@redhat.com>
2224
2225         PR tree-optimization/20920
2226         * tree-pretty-print.c (dump_generic_node): Show '(ab)' if an
2227         SSA_NAME flows through an abnormal edge.
2228         * tree-vrp.c (infer_value_range): Ignore SSA names that flow
2229         through abnormal edges.
2230         (maybe_add_assert_expr): Likewise.
2231
2232 2005-04-11  Richard Sandiford  <rsandifo@redhat.com>
2233
2234         * config/s390/s390.h (s390_tune_string, s390_arch_string)
2235         (s390_warn_framesize_string, s390_warn_dynamicstack_string)
2236         (s390_stack_size_string, s390_stack_guard_string, target_flags)
2237         (MASK_HARD_FLOAT, MASK_SMALL_EXEC, MASK_DEBUG_ARG, MASK_64BIT)
2238         (MASK_ZARCH, MASK_MVCLE, MASK_TPF_PROFILING, MASK_NO_FUSED_MADD)
2239         (MASK_BACKCHAIN, MASK_PACKED_STACK, TARGET_HARD_FLOAT)
2240         (TARGET_SOFT_FLOAT, TARGET_SMALL_EXEC, TARGET_DEBUG_ARG)
2241         (TARGET_64BIT, TARGET_ZARCH, TARGET_MVCLE, TARGET_TPF_PROFILING)
2242         (TARGET_NO_FUSED_MADD, TARGET_FUSED_MADD, TARGET_BACKCHAIN)
2243         (TARGET_PACKED_STACK, TARGET_SWITCHES, TARGET_OPTIONS): Delete.
2244         * config/s390/s390.c (TARGET_DEFAULT_TARGET_FLAGS): Override default.
2245         (TARGET_HANDLE_OPTION): Likewise.
2246         (s390_tune): Initialize to PROCESSOR_max.
2247         (s390_arch_string): Make static.
2248         (s390_tune_string, s390_warn_framesize_string): Delete.
2249         (s390_warn_dynamicstack_string, s390_stack_size_string): Delete.
2250         (s390_stack_guard_string, s390_warn_dynamicstack_p): Delete.
2251         (s390_handle_arch_option, s390_handle_option): New functions.
2252         (override_options): Remove parsing of option strings.
2253         * config/s390/s390.opt: New file.
2254
2255 2005-04-11  Paolo Bonzini  <bonzini@gnu.org>
2256
2257         * tree-complex.c (expand_vector_operations): Call
2258         update_stmt_if_modified.
2259
2260 2005-04-11  Paolo Bonzini  <bonzini@gnu.org>
2261
2262         * tree-vect-analyze (vect_determine_vectorization_factor):
2263         Do not use GET_MODE_NUNITS.
2264         * tree-vect-transform.c (vect_get_vec_def_for_operand,
2265         (vectorizable_load, vect_transform_loop): Likewise.
2266
2267 2005-04-11  Uros Bizjak  <uros@kss-loka.si>
2268
2269         * builtins.def (BUILT_IN_LCEIL, BUILT_IN_LCEILF, BUILT_IN_LCEILL)
2270         (BUILT_IN_LLCEIL, BUILT_IN_LLCEILF, BUILT_IN_LLCEILL): New.
2271         * optabs.h (enum optab_index): Add new OTI_lceil.
2272         (lceil_optab): Define corresponding macro.
2273         * optabs.c (init_optabs): Initialize lceil_optab.
2274         * genopinit.c (optabs): Implement lceil_optab using lceilsi2
2275         and lceildi2 patterns.
2276         * builtins.c (expand_builtin_int_roundingfn): Handle
2277         BUILT_IN_LCEIL{,F,L} and BUILT_IN_LLCEIL{,F,L}.
2278         (fold_builtin_int_roundingfn): Handle BUILT_IN_LCEIL{,F,L} and
2279         BUILT_IN_LLCEIL{,F,L}.
2280         (fold_builtin_1): Fold BUILT_IN_LCEIL{,F,L} and
2281         BUILT_IN_LLCEIL{,F,L} using fold_builtin_int_roundingfn.
2282         (mathfn_built_in): Handle BUILT_IN LCEIL and BUILT_IN_LLCEIL.
2283         (expand_builtin): Expand BUILT_IN_LCEIL{,F,L} and
2284         BUILT_IN_LLCEIL{,F,L} using expand_builtin_int_roundingfn.
2285         * convert.c (convert_to_integer): Convert (long int)ceil{,f,l},
2286         into lceil built-in function and (long long int)ceil{,f,l} into
2287         llceil built-in function.
2288         * fold-const.c (tree_expr_nonnegative_p): Add BUILT_IN_LCEIL and
2289         BUILT_IN_LLCEIL.
2290
2291 2005-04-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2292
2293         * pa/quadlib.c (_U_Qfneg): Toggle sign bit instead of subtracting from
2294         zero.
2295
2296 2005-04-10  Kazu Hirata  <kazu@cs.umass.edu>
2297
2298         * config/arm/arm.c: Fix a comment typo.
2299         * doc/tree-ssa.texi: Fix a typo.
2300
2301 2005-04-10  Steven Bosscher  <stevenb@suse.de>
2302
2303         * cselib.c (clear_table): Rename to cselib_clear_table.
2304         * cselib.h (cselib_clear_table): Add prototype.
2305         * gcse.c (gcse_main): Make 'f' argument unused.
2306         (alloc_gcse_mem): Do not walk the insn chain, walk the contents
2307         of each basic block instead.
2308         (compute_sets, compute_hash_table_work): Likewise.
2309         (constprop_register): Change int 'alter_jumps' argument to bool.
2310         (do_local_cprop): Likewise.
2311         (local_cprop_pass): Likewise.  Also walk basic blocks instead of
2312         the insn chain.  Explicitly clear the cselib tables after finishing
2313         one basic block.  Make sure there are no unterminated libcall blocks.
2314         Update compute_sets call.
2315         (cprop): Walk basic blocks instead of the insn chain.
2316         (one_cprop_pass, compute_ld_motion_mems, compute_store_table):
2317         Likewise.
2318         (bypass_jumps): Update alloc_gcse_mem, compute_sets, and
2319         one_cprop_pass calls.
2320
2321 2005-04-10  Richard Sandiford  <rsandifo@redhat.com>
2322
2323         * combine.c (combine_simplify_rtx): Remove a transformation that
2324         relies on an invalid assumption about rtl sign-extension semantics.
2325
2326 2005-04-10  Richard Sandiford  <rsandifo@redhat.com>
2327
2328         * value-prof.c (tree_divmod_fixed_value_transform): Fix arguments
2329         to build_int_cst_wide.
2330
2331 2005-04-09  Alexandre Oliva  <aoliva@redhat.com>
2332
2333         PR target/20126
2334         * loop.c (loop_givs_rescan): If replacement of DEST_ADDR failed,
2335         set the original address pseudo to the correct value before the
2336         original insn, if possible, and leave the insn alone, otherwise
2337         create a new pseudo, set it and replace it in the insn.
2338         * recog.c (validate_change_maybe_volatile): New.
2339         * recog.h (validate_change_maybe_volatile): Declare.
2340
2341 2005-04-09  Caroline Tice  <ctice@apple.com>
2342
2343         * bb-reorder.c (find_rarely_executed_basic_blocks_and_crossing_edges):
2344         Remove targetm.have_named_sections test.
2345         (fix_edges_for_rarely_executed_code): Likewise.
2346         (insert_section_boundary_note): Likewise.
2347         (reorder_basic_blocks): Check partitioning flag before calling
2348         verify_hot_cold_block_grouping.
2349         * dbxout.c (dbxout_function_end): Get hot/cold section labels from
2350         the function struct rather than global variables.
2351         * dwarf2out.c (COLD_TEXT_SECTION_LABEL): New macro.
2352         (COLD_END_LABEL): Likewise
2353         (cold_text_section_label): New static global variable.
2354         (cold_end_label): Likewise.
2355         (dwarf2out_switch_text_section): Get hot/cold section labels from
2356         the function struct rather than global variables.
2357         (output_aranges): Use cold_text_section_label and cold_end_label;
2358         check partitioning flag before putting out delta.
2359         (output_ranges): Remove incorrect code attempting to use
2360         hot/cold labels.
2361         (output_line_info): Get cold section label from function struct.
2362         (add_location_or_const_value_attribute): Likewise.
2363         (get_subprogram_die): Get hot/cold section labels from function struct.
2364         (dwarf2out_var_location): Likewise.
2365         (dwarf2out_init): Generate cold_text_section_label and cold_end_label;
2366         write out cold_text_section_label if partition flag is set.
2367         (dwarf2out_finish): Write out cold_end_label if partition flag is set;
2368         * function.h (struct function): Add new fields to point to hot/cold
2369         section labels: hot_section_label, cold_section_label,
2370         hot_section_end_label and cold_section_end_label; also add new field
2371         for cold text section name, unlikely_text_section_name.
2372         * opts.c (decode_options): Turn off partitioning flag if
2373         !targetm.have_named_sections.
2374         * output.h (hot_section_label): Remove.
2375         (hot_section_end_label): Remove.
2376         (cold_section_end_label): Remove.
2377         (unlikely_section_label): Remove.
2378         (unlikely_text_section_name): Remove.
2379         * passes.c (rest_of_handle_final):  Remove code that frees
2380         unlikely_text_section_name.
2381         * varasm.c (unlikely_section_label): Remove.
2382         (hot_section_label): Remove.
2383         (hot_section_end_label): Remove.
2384         (cold_section_end_label): Remove.
2385         (unlikely_text_section_name):  Remove.
2386         (initialize_cold_section_name): Modify to call
2387         targetm.strip_name_encoding; to store cold section name in current
2388         function struct, if it exists; and to only use the decl_section_name
2389         if flag_named_sections is true.
2390         (unlikely_text_section): Modify to get section name out of current
2391         function struct, if there is one; otherwise build it from
2392         UNLIKELY_EXECUTED_TEXT_SECTION_NAME.
2393         (in_unlikely_text_section): Likewise.
2394         (named_section): Modify to get/put cold section name in current function
2395         struct, if there is one.
2396         (function_section):  Change 'bool unlikely' to 'int reloc'; check
2397         targetm.have_named_sections before calling named_section.
2398         (current_function_section): Likewise.
2399         (assemble_start_function): Modify to get/put unlikely_text_section_name
2400         in current function struct; modify to get hot/cold section labels
2401         from function struct; initialize labels using
2402         ASM_GENERATE_INTERNAL_LABEL;
2403         test partitioning flag before writing out hot section label.
2404         (assemble_end_function): Test partitioning flag before writing out
2405         hot/cold section labels.
2406         (default_section_type_flags_1):  Modify to use array instead of
2407          char* for unlikely_text_section_name; set flags correctly for
2408          cold text section if there is not a current function decl.
2409
2410 2005-04-09  Jakub Jelinek  <jakub@redhat.com>
2411
2412         * tree.h (enum tree_index): Add TI_VA_LIST_GPR_COUNTER_FIELD
2413         and TI_VA_LIST_FPR_COUNTER_FIELD.
2414         (va_list_gpr_counter_field, va_list_fpr_counter_field): Define.
2415         * tree-pass.h (pass_stdarg): Add.
2416         * tree-optimize.c (init_tree_optimization_passes): Add pass_stdarg.
2417         * tree-stdarg.c: New file.
2418         * tree-stdarg.h: New file.
2419         * Makefile.in (OBJS-common): Add tree-stdarg.o.
2420         (tree-stdarg.o): Add dependencies.
2421         * function.h (struct function): Add va_list_gpr_size and
2422         va_list_fpr_size fields.
2423         * function.c (allocate_struct_function): Initialize them.
2424         * target.h (struct gcc_target): Add stdarg_optimize_hook.
2425         * target-def.h (TARGET_STDARG_OPTIMIZE_HOOK): Define.
2426         (TARGET_INITIALIZER): Add it.
2427
2428         * config/i386/i386.c (ix86_build_builtin_va_list): Initialize
2429         va_list_{g,f}pr_counter_field.
2430         (ix86_setup_incoming_varargs): Don't do anything if reg_save
2431         area will not be used.  Only save registers that tree-stdarg.c
2432         detected they need saving.
2433         (ix86_va_start): Don't set up fields that won't be used.
2434
2435         * config/rs6000/rs6000.c (rs6000_build_builtin_va_list): Initialize
2436         va_list_{g,f}pr_counter_field.
2437         (setup_incoming_varargs): Don't do anything if reg_save
2438         area will not be used.  Only save registers that tree-stdarg.c
2439         detected they need saving.
2440         (rs6000_va_start): Don't set up fields that won't be used.
2441
2442         * config/alpha/alpha.c: Include tree-flow.h and tree-stdarg.h.
2443         (alpha_build_builtin_va_list): Initialize va_list_gpr_counter_field.
2444         (va_list_skip_additions, alpha_stdarg_optimize_hook): New functions.
2445         (TARGET_STDARG_OPTIMIZE_HOOK): Define.
2446
2447 2005-04-09  Jakub Jelinek  <jakub@redhat.com>
2448
2449         PR target/20795
2450         * config/i386/i386.c (construct_container): Pass empty aligned
2451         struct, union or class in memory.
2452
2453 2005-04-09  Kazu Hirata  <kazu@cs.umass.edu>
2454
2455         * dominance.c, gthr-win32.h, reg-stack.c, tree-ssa-copy.c,
2456         tree-ssa-operands.c, tree-ssa.c, tree-vrp.c, varasm.c,
2457         config/alpha/alpha.c, config/arm/arm.c, config/m32r/m32r.h,
2458         config/rs6000/predicates.md: Fix comment typos.
2459
2460         * sched-int.h (haifa_insn_data): Remove blockage and units.
2461         (INSN_UNIT, INSN_BLOCKAGE, UNIT_BITS, BLOCKAGE_MASK,
2462         ENCODE_BLOCKAGE, UNIT_BLOCKED, BLOCKAGE_RANGE,
2463         MIN_BLOCKAGE_COST, MAX_BLOCKAGE_COST): Remove.
2464
2465 2005-04-09  Jan Hubicka  <jh@suse.cz>
2466             Steven Bosscher  <stevenb@suse.de>
2467
2468         * cfglayout.c (copy_bbs): Rename n_edges to num_edges.
2469         * cfgloop.c (get_loop_exit_edges): Likewise.
2470         * cfgloopmanip.c (fix_irreducible_loops): Likewise.
2471         (unloop): Likewise.
2472         * loop-unroll.c (analyze_insns_in_loop): Likewise.
2473         * tree-cfg.c (dump_cfg_status): Likewise.
2474
2475 2005-04-09  David Edelsohn  <edelsohn@gnu.org>
2476
2477         * config/rs6000/predicates.md (altivec_register_operand): Remove
2478         redundant match_code test.
2479         (gpc_reg_operand): Same.
2480         (cc_reg_operand): Same.
2481         (cc_reg_not_cr0_operand): Same.
2482
2483 2005-04-09  Jan Hubicka  <jh@suse.cz>
2484
2485         Forgotten hunk from my last merge patch:
2486         * final.c (output_addr_const): Do not call mark_referenced.
2487
2488 2005-04-09  Andrew MacLeod  <amacleod@redhat.com>
2489
2490         * doc/tree-ssa.texi: Add immediate use documentation.
2491
2492 2005-04-09  Richard Earnshaw <richard.earnshaw@arm.com>
2493
2494         * arm.c (FL_WBUF): Define.
2495         (arm_tune_strongarm): Renamed from arm_is_strong.  All uses changed.
2496         (arm_is_6_or_7): Delete.
2497         (arm_tune_wbuf): New.
2498         (arm_override_options): Set arm_tune_wbuf.
2499         * arm.h (arm_tune_strongarm): Renamed from arm_is_strong.
2500         (arm_is_6_or_7): Delete declaration.
2501         (arm_tune_wbuf): New declartion.
2502         * arm.md (is_strongarm): Derive from arm_tune_strongarm.
2503         (model_wbuf): Derive from arm_tune_wbuf.
2504         * arm-cores.def (arm600, arm610, arm620, arm700, arm700i, arm710)
2505         (arm720, arm710c, arm7100, arm7500, arm7500fe, arm710t, arm720t)
2506         (arm740t): Mark CPUs as having a write buffer.
2507
2508 2005-04-09  Uros Bizjak  <uros@kss-loka.si>
2509
2510         * config/i386/i386.md (*fp_jcc_7_387): Use 'const0_operand' instead
2511         of 'const_double_operand' in operand 2 constraints.  Update enable
2512         condition.
2513
2514 2005-04-09  Uros Bizjak  <uros@kss-loka.si>
2515
2516         * builtins.def (BUILT_IN_LFLOOR, BUILT_IN_LFLOORF, BUILT_IN_LFLOORL)
2517         (BUILT_IN_LLFLOOR, BUILT_IN_LLFLOORF, BUILT_IN_LLFLOORL): New.
2518         * optabs.h (enum optab_index): Add new OTI_lfloor.
2519         (lfloor_optab): Define corresponding macro.
2520         * optabs.c (init_optabs): Initialize lfloor_optab.
2521         * genopinit.c (optabs): Implement lfloor_optab using lfloorsi2
2522         and lfloordi2 patterns.
2523         * builtins.c (expand_builtin_int_roundingfn): New prototype.
2524         (expand_builtin_int_roundingfn): New function.
2525         (fold_builtin_int_roundingfn): New prototype.
2526         (fold_builtin_int_roundingfn): New function, renamed from
2527         fold_builtin_lround.
2528         Handle BUILT_IN_LROUND{,F,L}, BUILT_IN_LLROUND{,F,L} and
2529         BUILT_IN_LFLOOR{,F,L}, BUILT_IN_LLFLOOR{,F,L}.
2530         (fold_builtin_1): Fold BUILT_IN_LFLOOR{,F,L} and
2531         BUILT_IN_LLFLOOR{,F,L} using fold_builtin_int_roundingfn.
2532         (mathfn_built_in): Handle BUILT_IN LFLOOR and BUILT_IN_LLFLOOR.
2533         (expand_builtin): Expand BUILT_IN_LFLOOR{,F,L} and
2534         BUILT_IN_LLFLOOR{,F,L} using expand_builtin_int_roundingfn.
2535         * convert.c (convert_to_integer): Convert (long int)floor{,f,l},
2536         into lfloor built-in function and (long long int)floor{,f,l} into
2537         llfloor built-in function.
2538         * fold-const.c (tree_expr_nonnegative_p): Add BUILT_IN_LFLOOR and
2539         BUILT_IN_LLFLOOR.
2540
2541 2005-04-08  Ian Lance Taylor  <ian@airs.com>
2542
2543         * c-common.def: Move FOR_STMT, WHILE_STMT, DO_STMT, BREAK_STMT,
2544         CONTINUE_STMT, and SWITCH_STMT to cp/cp-tree.def.
2545         * c-common.h (WHILE_COND, WHILE_BODY): Move to cp/cp-tree.h.
2546         (DO_COND, DO_BODY): Likewise.
2547         (FOR_INIT_STMT, FOR_COND, FOR_EXPR, FOR_BODY): Likewise.
2548         (SWITCH_STMT_COND, SWITCH_STMT_BODY, SWITCH_STMT_TYPE): Likewise.
2549         (c_common_stmt_codes): Remove FOR_STMT, WHILE_STMT, DO_STMT,
2550         BREAK_STMT, CONTINUE_STMT, and SWITCH_STMT.
2551         (build_continue_stmt, build_break_stmt): Don't declare.
2552         (c_do_switch_warnings): Update declaration.
2553         * c-gimplify.c (enum bc_t): Remove.
2554         (struct c_gimplify_ctx, ctxp): Remove.
2555         (push_context, pop_context): Remove static functions.
2556         (c_genericize): Don't call push_context or pop_context.
2557         (begin_bc_block, finish_bc_block): Remove static functions.
2558         (build_bc_goto): Likewise.
2559         (gimplify_c_loop): Likewise.
2560         (gimplify_for_stmt, gimplify_while_stmt): Likewise.
2561         (gimplify_do_stmt, gimplify_switch_stmt): Likewise.
2562         (c_gimplify_expr): Remove handling of FOR_STMT, WHILE_STMT,
2563         DO_STMT, SWITCH_STMT, CONTINUE_STMT, BREAK_STMT.
2564         * c-common.c (c_do_switch_warnings): Rename from
2565         c_do_switch_warnings_1.
2566         (c_do_switch_warnings) [old version]: Remove.
2567         (c_do_switch_expr_warnings): Remove.
2568         * c-typeck.c (c_finish_case): Call new c_do_switch_warnings
2569         function instead of c_do_switch_expr_warnings.
2570         * c-dump.c (c_dump_tree): Remove handling of BREAK_STMT,
2571         CONTINUE_STMT, DO_STMT, FOR_STMT, SWITCH_STMT, and WHILE_STMT.
2572         * c-pretty-print.c (pp_c_statement): Likewise.
2573         * c-semantics.c (build_break_stmt, build_continue_stmt): Remove.
2574
2575 2005-04-08  Devang Patel  <dpatel@apple.com>
2576
2577         * tree-if-conv.c (find_phi_replacement_condition): New parameter, loop.
2578         While selecting replacement condition pay attention to loop header.
2579
2580 2005-04-08  Diego Novillo  <dnovillo@redhat.com>
2581
2582         Merge from tree-cleanup-branch: VRP, store CCP, store
2583             copy-prop, incremental SSA updating of FUD chains and
2584             newly exposed symbols.
2585
2586         * Makefile.in (tree-ssa-copy.o): Depend on tree-ssa-propagate.h.
2587         (OBJS-common): Add tree-vrp.o.
2588         (tree-vrp.o): New rule.
2589         * basic-block.h (nearest_common_dominator_for_set): Declare.
2590         * common.opt (ftree-store-ccp): New flag.
2591         (ftree-copy-prop): New flag.
2592         (ftree-vrp): New flag.
2593         (ftree-store-copy-prop): New flag.
2594         * dominance.c (nearest_common_dominator_for_set): New.
2595         * domwalk.c (walk_dominator_tree): Only traverse
2596         statements in blocks marked in walk_data->interesting_blocks.
2597         * domwalk.h (struct dom_walk_data): Add field interesting_blocks.
2598         * fold-const.c (fold): Handle ASSERT_EXPR.
2599         * opts.c (decode_options): Set flag_tree_copy_prop at -O1.
2600         Set flag_tree_store_ccp, flag_tree_store_copy_prop and
2601         flag_tree_vrp at -O2.
2602         * timevar.def (TV_TREE_VRP): Define.
2603         (TV_TREE_COPY_PROP): Define.
2604         (TV_TREE_STORE_COPY_PROP): Define.
2605         (TV_TREE_SSA_INCREMENTAL): Define.
2606         (TV_TREE_STORE_CCP): Define.
2607         * tree-cfg.c (tree_can_merge_blocks_p): Remove reference
2608         to kill_redundant_phi_nodes from comment.
2609         (verify_expr): Handle ASSERT_EXPR.
2610         * tree-dfa.c (mark_new_vars_to_rename): Remove second
2611         argument.  Update all users.
2612         (mark_call_clobbered_vars_to_rename): Remove.  Update all
2613         users.
2614         * tree-flow-inline.h (unmodifiable_var_p): New.
2615         * tree-flow.h (enum value_range_type): Declare.
2616         (struct value_range_def): Declare.
2617         (value_range): Declare.
2618         (remove_all_phi_nodes_for): Remove.  Update all users.
2619         (find_phi_node_for): Declare.
2620         (add_type_alias): Declare.
2621         (count_uses_and_derefs): Declare.
2622         (kill_redundant_phi_nodes): Remove.
2623         (rewrite_into_ssa): Remove.
2624         (rewrite_def_def_chains): Remove.
2625         (update_ssa, register_new_name_mapping, create_new_def_for,
2626         need_ssa_update_p, name_registered_for_update_p,
2627         release_ssa_name_after_update_ssa, dump_repl_tbl,
2628         debug_repl_tbl, dump_names_replaced_by,
2629         debug_names_replaced_by, mark_sym_for_renaming,
2630         mark_set_for_renaming, get_current_def, set_current_def,
2631         get_value_range, dump_value_range, debug_value_range,
2632         dump_all_value_ranges, debug_all_value_ranges,
2633         expr_computes_nonzero, loop_depth_of_name,
2634         unmodifiable_var_p): Declare.
2635         * tree-gimple.c (is_gimple_formal_tmp_rhs): Handle
2636         ASSERT_EXPR.
2637         * tree-into-ssa.c (block_defs_stack): Update comment.
2638         (old_ssa_names, new_ssa_names, old_virtual_ssa_names,
2639         syms_to_rename, names_to_release, repl_tbl,
2640         need_to_initialize_update_ssa_p, need_to_update_vops_p,
2641         need_to_replace_names_p): New locals.
2642         (NAME_SETS_GROWTH_FACTOR): Define.
2643         (struct repl_map_d): Declare.
2644         (struct mark_def_sites_global_data): Add field
2645         interesting_blocks.
2646         (enum rewrite_mode): Declare.
2647         (REGISTER_DEFS_IN_THIS_STMT): Define.
2648         (compute_global_livein): Use last_basic_block instead of
2649         n_basic_blocks.
2650         (set_def_block): Remove last argument.  Update all callers.
2651         (prepare_use_operand_for_rename): Remove.  Update all callers.
2652         (prepare_def_operand_for_rename): Remove.  Update all callers.
2653         (symbol_marked_for_renaming): New.
2654         (is_old_name): New.
2655         (is_new_name): New.
2656         (repl_map_hash): New.
2657         (repl_map_eq): New.
2658         (repl_map_free): New.
2659         (names_replaced_by): New.
2660         (add_to_repl_tbl): New.
2661         (add_new_name_mapping): New.
2662         (mark_def_sites): Assume that all the operands in the
2663         statement are in normal form.
2664         (find_idf): Assert that the block in the stack is valid.
2665         (get_default_def_for): New.
2666         (insert_phi_nodes_for): Add new argument 'update_p'.
2667         Add documentation.
2668         If update_p is true, add a new mapping between the LHS of
2669         each new PHI and the name that it replaces.
2670         (insert_phi_nodes_1): Only call find_idf if needed.
2671         (get_reaching_def): Call get_default_def_for.
2672         (rewrite_operand): Remove.
2673         (rewrite_stmt): Do nothing if REGISTER_DEFS_IN_THIS_STMT
2674         and REWRITE_THIS_STMT are false.
2675         Assume that all the operands in the statement are in
2676         normal form.
2677         (rewrite_add_phi_arguments): Don't use PHI_REWRITTEN.
2678         (rewrite_virtual_phi_arguments): Remove.
2679         (invalidate_name_tags): Remove.
2680         (register_new_update_single, register_new_update_set,
2681         rewrite_update_init_block, replace_use,
2682         rewrite_update_fini_block, rewrite_update_stmt,
2683         rewrite_update_phi_arguments): New.
2684         rewrite_blocks): Remove argument 'fix_virtual_phis'.
2685         Add arguments 'entry', 'what' and 'blocks'.
2686         Initialize the dominator walker according to 'what' and
2687         'blocks'.
2688         Start the dominator walk at 'entry'.
2689         (mark_def_site_blocks): Add argument 'interesting_blocks'.
2690         Use it to configure the dominator walker.
2691         (rewrite_into_ssa): Remove argument 'all'.
2692         Make internal.
2693         (rewrite_all_into_ssa): Remove.
2694         (rewrite_def_def_chains): Remove.
2695         (mark_def_interesting, mark_use_interesting,
2696         prepare_phi_args_for_update, prepare_block_for_update,
2697         prepare_def_site_for, prepare_def_sites,
2698         dump_names_replaced_by, debug_names_replaced_by,
2699         dump_repl_tbl, debug_repl_tbl, init_update_ssa,
2700         delete_update_ssa, create_new_def_for,
2701         register_new_name_mapping, mark_sym_for_renaming,
2702         mark_set_for_renaming, need_ssa_update_p,
2703         name_registered_for_update_p, ssa_names_to_replace,
2704         release_ssa_name_after_update_ssa,
2705         insert_updated_phi_nodes_for, update_ssa): New.
2706         * tree-loop-linear.c (linear_transform_loops): Call
2707         update_ssa instead of rewrite_into_ssa.
2708         * tree-optimize.c (vars_to_rename): Remove.
2709         Update all users.
2710         (init_tree_optimization_passes): Replace
2711         pass_redundant_phi with pass_copy_prop.
2712         Add pass_vrp.
2713         Replace pass_ccp with pass_store_ccp.
2714         Add pass_store_copy_prop after pass_store_ccp.
2715         (execute_todo): If the TODO_ flags don't include updating
2716         the SSA form, assert that it does not need to be updated.
2717         Call update_ssa instead of rewrite_into_ssa and
2718         rewrite_def_def_chains.
2719         If TODO_verify_loops is set, call verify_loop_closed_ssa.
2720         (tree_rest_of_compilation):
2721         * tree-pass.h (TODO_dump_func, TODO_ggc_collect,
2722         TODO_verify_ssa, TODO_verify_flow, TODO_verify_stmts,
2723         TODO_cleanup_cfg): Renumber.
2724         (TODO_verify_loops, TODO_update_ssa,
2725         TODO_update_ssa_no_phi, TODO_update_ssa_full_phi,
2726         TODO_update_ssa_only_virtuals): Define.
2727         (pass_copy_prop, pass_store_ccp, pass_store_copy_prop, pass_vrp):
2728         Declare.
2729         * tree-phinodes.c (make_phi_node): Update documentation.
2730         (remove_all_phi_nodes_for): Remove.
2731         (find_phi_node_for): New.
2732         * tree-pretty-print.c (dump_generic_node): Handle ASSERT_EXPR.
2733         * tree-scalar-evolution.c (follow_ssa_edge_in_rhs): Likewise.
2734         (interpret_rhs_modify_expr): Likewise.
2735         * tree-sra.c (decide_instantiations): Mark all symbols in
2736         SRA_CANDIDATES for renaming.
2737         (mark_all_v_defs_1): Rename from mark_all_v_defs.
2738         (mark_all_v_defs): New function.  Update all users to call it
2739         with the whole list of scalarized statements, not just the
2740         first one.
2741         * tree-ssa-alias.c (count_ptr_derefs): Make extern.
2742         (compute_flow_insensitive_aliasing): If the tag is
2743         unmodifiable and the variable isn't or vice-versa, don't
2744         make them alias of each other.
2745         (setup_pointers_and_addressables): If the type tag for
2746         VAR is about to change, mark the old one for renaming.
2747         (add_type_alias): New.
2748         * tree-ssa-ccp.c: Document SSA-CCP and STORE-CCP.
2749         (ccp_lattice_t): Rename from latticevalue.
2750         (value): Remove.  Update all users.
2751         (const_val): New local variable.
2752         (do_store_ccp): New local variable.
2753         (dump_lattice_value): Handle UNINITIALIZED.
2754         (debug_lattice_value): New.
2755         (get_default_value): Re-write.
2756         (set_lattice_value): Re-write.
2757         (def_to_varying): Remove.  Update all users.
2758         (likely_value): Return VARYING for statements that make
2759         stores when STORE_CCP is false.
2760         Return VARYING for any statement other than MODIFY_EXPR,
2761         COND_EXPR and SWITCH_EXPR.
2762         (ccp_initialize): Re-write.
2763         (replace_uses_in, replace_vuse_in, substitute_and_fold):
2764         Move to tree-ssa-propagate.c.
2765         (ccp_lattice_meet): Handle memory stores when
2766         DO_STORE_CCP is true.
2767         (ccp_visit_phi_node): Likewise.
2768         (ccp_fold): Likewise.
2769         (evaluate_stmt): Likewise.
2770         (visit_assignment): Likewise.
2771         (ccp_visit_stmt): Likewise.
2772         (execute_ssa_ccp): Add argument 'store_ccp'.  Copy it
2773         into DO_STORE_CCP.
2774         (do_ssa_ccp): New.
2775         (pass_ccp): Use it.
2776         (do_ssa_store_ccp): New.
2777         (gate_store_ccp): New.
2778         (pass_store_ccp): Declare.
2779         * tree-ssa-copy.c: Include tree-ssa-propagate.h.
2780         (may_propagate_copy): Reformat.
2781         Don't abort if ORIG is a virtual and DEST isn't.
2782         If NEW does not have alias information but DEST does,
2783         copy it.
2784         (copy_of, cached_last_copy_of, do_store_copy_prop, enum
2785         copy_prop_kind, which_copy_prop): Declare.
2786         (stmt_may_generate_copy, get_copy_of_val,
2787         get_last_copy_of, set_copy_of_val, dump_copy_of,
2788         copy_prop_visit_assignment, copy_prop_visit_cond_stmt,
2789         copy_prop_visit_stmt, copy_prop_visit_phi_node,
2790         init_copy_prop, fini_copy_prop, execute_copy_prop,
2791         gate_copy_prop, do_copy_prop, gate_store_copy_prop,
2792         store_copy_prop): New.
2793         (pass_copy_prop, pass_store_copy_prop): Declare.
2794         * tree-ssa-dom.c (struct opt_stats_d): Add fields
2795         'num_const_prop' and 'num_copy_prop'.
2796         (cprop_operand): Update them.
2797         (dump_dominator_optimization_stats): Dump them.
2798         (tree_ssa_dominator_optimize): Call update_ssa instead of
2799         rewrite_into_ssa.
2800         (loop_depth_of_name): Declare extern.
2801         (simplify_cond_and_lookup_avail_expr): Guard against NULL
2802         values for LOW or HIGH.
2803         (cprop_into_successor_phis): Only propagate if NEW != ORIG.
2804         (record_equivalences_from_stmt): Call expr_computes_nonzero.
2805         (cprop_operand): Only propagate if VAL != OP.
2806         * tree-ssa-dse.c (dse_optimize_stmt): Mark symbols in removed
2807         statement for renaming.
2808         * tree-ssa-loop-im.c (move_computations): Call update_ssa.
2809         * tree-ssa-loop-ivopts.c (rewrite_address_base): Call
2810         add_type_alias if necessary.
2811         Call mark_new_vars_to_rename.
2812         (tree_ssa_iv_optimize): If new symbols need to be renamed,
2813         mark every statement updated, call update_ssa and
2814         rewrite_into_loop_closed_ssa.
2815         * tree-ssa-loop-manip.c (add_exit_phis): Do not remove DEF_BB
2816         from LIVEIN if VAR is a virtual.
2817         * tree-ssa-loop.c (tree_loop_optimizer_init): Call update_ssa.
2818         * tree-ssa-operands.c (get_expr_operands): Handle ASSERT_EXPR.
2819         (get_call_expr_operands): Reformat statement.
2820         (add_stmt_operand): Don't create V_MAY_DEFs for read-only
2821         symbols.
2822         * tree-ssa-propagate.c (ssa_prop_init): Initialize
2823         SSA_NAME_VALUE for every name.
2824         (first_vdef, stmt_makes_single_load, stmt_makes_single_store,
2825         get_value_loaded_by): New.
2826         (replace_uses_in, replace_vuses_in, replace_phi_args_in,
2827         substitute_and_fold): Move from tree-ssa-ccp.c.
2828         * tree-ssa-propagate.h (struct prop_value_d, prop_value_t,
2829         first_vdef, stmt_makes_single_load, stmt_makes_single_store,
2830         get_value_loaded_by, replace_uses_in, substitute_and_fold):
2831         Declare.
2832         * tree-ssa.c (verify_use): Fix error message.
2833         (propagate_into_addr, replace_immediate_uses, get_eq_name,
2834         check_phi_redundancy, kill_redundant_phi_nodes,
2835         pass_redundant_phi): Remove.  Update all users.
2836         * tree-vect-transform.c (vect_create_data_ref_ptr): Call
2837         add_type_alias, if necessary.
2838         * tree-vectorizer.h (struct _stmt_vect_info): Update
2839         documentation for field 'memtag'.
2840         * tree-vrp.c: New file.
2841         * tree.def (ASSERT_EXPR): Define.
2842         * tree.h (ASSERT_EXPR_VAR): Define.
2843         (ASSERT_EXPR_COND): Define.
2844         (SSA_NAME_VALUE_RANGE): Define.
2845         (struct tree_ssa_name): Add field 'value_range'.
2846         (PHI_REWRITTEN): Remove.
2847         (struct tree_phi_node): Remove field 'rewritten'.
2848         * doc/invoke.texi (-fdump-tree-storeccp, -ftree-copy-prop,
2849         -ftree-store-copy-prop): Document.
2850         * doc/tree-ssa.texi: Remove broken link to McCAT's compiler.
2851         Document usage of update_ssa.
2852
2853 2005-04-08  David Edelsohn  <edelsohn@gnu.org>
2854
2855         PR target/20814
2856         * config/rs6000/predicates.md (altivec_register_operand): Accept
2857         SUBREG.
2858         (and64_operand): Do not limit CONST_INT to mask64_operand.
2859         (and64_2_operand): Do not limit CONST_INT to mask64_1or2_operand.
2860         (and_operand): Do not limit CONST_INT to mask_operand.
2861
2862 2005-04-09  Hans-Peter Nilsson  <hp@axis.com>
2863
2864         PR rtl-optimization/20466
2865         * flow.c (invalidate_mems_from_set): Handle a MEM by checking it
2866         for overlap of the address of each list member.
2867         (mark_set_1): Call invalidate_mems_from_set for MEMs too.
2868
2869 2005-04-08  Mike Stump  <mrs@apple.com>
2870
2871         * config/darwin.c (indirect_data): Fix typo in strncmp logic.
2872
2873         * config/rs6000/rs6000.c (rs6000_emit_prologue): Use 5 nops,
2874         instead of 4.
2875
2876 2005-04-08  Kazu Hirata  <kazu@cs.umass.edu>
2877
2878         * c-tree.h (C_LANG_TREE_NODE_CHAIN_NEXT): Remove.
2879
2880         * function.c (push_function_context_to): Don't set
2881         contains_functions.
2882         * function.h (function): Remove contains_functions.
2883         (current_function_contains_functions): Remove.
2884
2885         * function.h (function): Remove instrument_entry_exit.
2886         (current_function_instrument_entry_exit): Remove.
2887
2888         * function.h (nonlocal_labels): Remove.
2889
2890         * tree.h (STRIP_MAIN_TYPE_NOPS): Remove.
2891
2892         * genattrtab.c (attr_desc): Remove negative_ok and unsigned_p.
2893         (check_attr_value, write_attr_get, write_expr_attr_cache,
2894         find_attr, make_internal_attr): Don't reference negative_ok or
2895         unsigned_p.
2896         * genattrtab.h (ATTR_NEGATIVE_OK, ATTR_UNSIGNED,
2897         ATTR_FUNC_UNITS, ATTR_BLOCKAGE): Remove.
2898         (ATTR_STATIC): Adjust the value.
2899
2900         * c-common.h (C_ARTIFICIAL_STRING_P): Remove.
2901
2902 2005-04-08  Ulrich Weigand  <uweigand@de.ibm.com>
2903
2904         * config/s390/tpf.h (ASM_SPEC): Define.
2905
2906 2005-04-08  Kazu Hirata  <kazu@cs.umass.edu>
2907
2908         * tree-flow.h: Remove the prototype for
2909         redirect_immediate_uses.
2910         (TDFA_USE_OPS, TDFA_USE_VOPS): Remove.
2911
2912 2005-04-08  Richard Earnshaw  <richard.earnshaw@arm.com>
2913
2914         * arm.c (arm_const_double_by_parts): New function.
2915         * arm-protos.h (arm_const_double_by_parts): Add prototype.
2916         * arm.md (define_split for 64-bit constants): Add another one.
2917
2918 2005-04-08  Andrew MacLeod  <amacleod@redhat.com>
2919
2920         * tree-ssa-operands.c (correct_use_link): Remove linear scan.
2921
2922 2005-04-08  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2923
2924         * system.h: Revert last change.
2925
2926 2005-04-08  Richard Sandiford  <rsandifo@redhat.com>
2927
2928         * config/xtensa/xtensa.h (target_flags, MASK_NO_FUSED_MADD)
2929         (MASK_CONST16, TARGET_NO_FUSED_MADD, TARGET_CONST16)
2930         (TARGET_SWITCHES): Delete.
2931         * config/xtensa/xtensa.c (TARGET_DEFAULT_TARGET_FLAGS): Define.
2932         * config/xtensa/xtensa.md (muladdsf3, mulsubsf3): Check
2933         TARGET_FUSED_MADD instead of !TARGET_NO_FUSED_MADD.
2934         * config/xtensa/xtensa.opt: New file.
2935
2936 2005-04-08  Ben Elliston  <bje@au.ibm.com>
2937
2938         * config/fp-bit.c: Include L_mul_tf in #endif comment.
2939         * config/fp-bit.h: Tidy comments.
2940
2941 2005-04-07  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2942
2943         * system.h: Poison PARAMS.
2944
2945 2005-04-07  Richard Sandiford  <rsandifo@redhat.com>
2946
2947         * config/vax/vax.h (target_flags, MASK_UNIX_ASM, MASK_VAXC_ALIGNMENT)
2948         (MASK_G_FLOAT, TARGET_UNIX_ASM, TARGET_VAXC_ALIGNMENT, TARGET_G_FLOAT)
2949         (TARGET_SWITCHES): Delete.
2950         * config/vax/vax.c (TARGET_DEFAULT_TARGET_FLAGS): Override default.
2951         * config/vax/vax.opt: New file.
2952
2953 2005-04-07  Daniel Berlin  <dberlin@dberlin.org>
2954
2955         * tree-ssa-dse.c (dse_optimize_stmt): Fix incorrect comment.
2956
2957 2005-04-07  Ian Lance Taylor  <ian@airs.com>
2958
2959         * config/iq2000/iq2000.h (DONT_ACCESS_GBLS_AFTER_EPILOGUE): Don't
2960         define.
2961         * config/mips/mips.h (DONT_ACCESS_GBLS_AFTER_EPILOGUE): Likewise.
2962         * config/sparc/sparc.h (DONT_ACCESS_GBLS_AFTER_EPILOGUE):
2963         Likewise.
2964
2965 2005-04-07  Kazu Hirata  <kazu@cs.umass.edu>
2966
2967         * tree-ssa-sink.c (nearest_common_dominator_of_uses): Consider
2968         all immediate uses in PHI nodes.
2969
2970 2005-04-07  Richard Earnshaw  <richard.earnshaw@arm.com>
2971
2972         * arm.c (arm_const_double_inline_cost): Handle any constant by
2973         using gen_lowpart and gen_highpart_mode.
2974         (note_invalid_constants): All constants in an RTX with a constraint
2975         that permits memory are now pushed to the constant pool.
2976         (output_move_double): Delete code to handle reg to reg and
2977         constant to reg moves.
2978         (const_double_needs_minipool, output_mov_immediate): Delete.
2979         * arm.h (EXTRA_CONSTRAINT_STR_ARM): All 'D' variants now handle
2980         CONST_INT and CONST_VECTOR.
2981         * arm.md (ANY64): New mode macro.
2982         (arm_movdi): Split reg-reg and const-reg moves.  Simplify constraints.
2983         (movdf_soft_insn): Split reg-reg and const-reg moves.
2984         (split patterns for 64-bit constant and register moves): New.
2985         * cirrus.md (cirrus_arm_movdi): Split reg-reg and const-reg moves.
2986         (cirrus_movdf_hard_insn): Likewise.
2987         * fpa.md (movdf_fpa): Likewise.
2988         * iwmmxt.md (iwmmxt_arm_movdi): Likewise.
2989         (movv8qi_internal, movv4hi_internal, movv2si_internal): Fix
2990         constraints.
2991         (movv2si_internal_2): Likewise.
2992         * vfp.md (arm_movdi_vfp): Split reg-reg and const-reg moves.
2993         (movdf_vfp): Likewise.
2994         * arm-protos.h (output_mov_immediate): Delete prototype.
2995
2996 2005-04-07  Joseph S. Myers  <joseph@codesourcery.com>
2997
2998         PR target/20093
2999         * simplify-rtx.c (simplify_unary_operation_1): Check
3000         SUBREG_PROMOTED_UNSIGNED_P (op) > 0 for zero-extension.
3001
3002 2005-04-06  James E Wilson  <wilson@specifixinc.com>
3003
3004         PR target/20717
3005         * cgraphunit.c (record_call_1, case FDESC_EXPR): Handle same as
3006         ADDR_EXPR.
3007
3008 2004-04-06  Richard Sandiford  <rsandifo@redhat.com>
3009
3010         * coverage.h (GCOV_TYPE_NODE): Delete.
3011         * coverage.c (coverage_counter_alloc, tree_coverage_counter_ref)
3012         (build_ctr_info_type): Use get_gcov_type () instead of GCOV_TYPE_NODE.
3013         * tree-profile.c (tree_gen_edge_profiler, tree_gen_interval_profiler)
3014         (tree_gen_pow2_profiler, tree_gen_one_value_profiler): Likewise.
3015         * value-prof.c (tree_divmod_fixed_value_transform): Delete.
3016
3017 2004-04-06  Richard Sandiford  <rsandifo@redhat.com>
3018
3019         PR other/20792
3020         * Makefile.in (gcc.pot): Remove options.c dependency.
3021         * optc-gen.awk: Don't quote help strings with N_().
3022
3023 2005-04-06  James A. Morrison  <phython@gcc.gnu.org>
3024
3025         * c-common.c (handle_malloc_atttribute): Only set DECL_IS_MALLOC if
3026         the function returns a pointer type.
3027
3028 2005-04-06  Daniel Berlin  <dberlin@dberlin.org>
3029
3030         * params.def (PARAM_SALIAS_MAX_IMPLICIT_FIELDS): New
3031         * params.h (SALIAS_MAX_IMPLICIT_FIELDS): New
3032         * doc/invoke.texi: Documnet salias-max-implicit-fields.
3033         * tree-ssa-alias.c (struct used_part): Add implicit_uses and
3034         explicit_uses members.
3035         (get_or_create_used_part_for): Initialize new fields.
3036         (fieldoff_compare): New function.
3037         (create_overlap_variables_for): Count number of fields, use
3038         heuristic to determine whether to create subvars for vars with
3039         only implicit uses.
3040         Sort the field list by offset and avoid creating duplicate SFT's.
3041
3042 2005-04-06  Richard Sandiford  <rsandifo@redhat.com>
3043
3044         * c.opt (-F): Remove trailing whitespace from help string.
3045         (-finput-charset): Use a tab to separate the switch name and help
3046         string.
3047         * common.opt (-fsched-stalled-insns, -fsched-stalled-insns-dep)
3048         (-ftree-vectorizer-verbose): Likewise.
3049
3050 2005-04-06  Kazu Hirata  <kazu@cs.umass.edu>
3051
3052         * tree-ssa-sink.c (nearest_common_dominator_of_uses): Look at
3053         a PHI argument where a use occurs instead of all PHI arguments.
3054
3055 2005-04-06  Joseph S. Myers  <joseph@codesourcery.com>
3056
3057         * c-decl.c (finish_decl): Apply pending #pragma weak regardless of
3058         scope.
3059
3060 2005-04-06  Kazu Hirata  <kazu@cs.umass.edu>
3061
3062         * cse.c, tree-flow-inline.h, tree-flow.h, tree-ssa-operands.c,
3063         tree-ssa-sink.c, tree.h, config/bfin/bfin.c,
3064         config/bfin/bfin.h: Fix comment typos.
3065
3066 2005-04-06  Ranjit Mathew  <rmathew@hotmail.com>
3067
3068         * doc/install.texi: Update the URL for Jacks.
3069         * doc/sourcebuild.texi: Likewise.
3070
3071 2005-04-06  Eric Botcazou  <ebotcazou@libertysurf.fr>
3072
3073         PR target/17245
3074         * config/sparc/sparc.c (legitimate_address_p): Remove 'imm2'.
3075         Revert 2004-10-08 patch.  Reject TFmode LO_SUM in 32-bit mode.
3076
3077 2005-04-06  Kelley Cook  <kcook@gcc.gnu.org>
3078
3079         * Makefile.in (LIBGCC2_CFLAGS): Revert -pipe change.
3080
3081 2005-04-06  Richard Sandiford  <rsandifo@redhat.com>
3082
3083         * config/v850/v850-protos.h (override_options): Delete.
3084         * config/v850/v850.h (target_flags, MASK_GHS, MASK_LONG_CALLS, MASK_EP)
3085         (MASK_PROLOG_FUNCTION, MASK_DEBUG, MASK_V850, MASK_V850E)
3086         (MASK_SMALL_SLD, MASK_BIG_SWITCH, MASK_NO_APP_REGS, MASK_DISABLE_CALLT)
3087         (MASK_STRICT_ALIGN, MASK_US_BIT_SET, MASK_US_MASK_SET, TARGET_GHS)
3088         (TARGET_LONG_CALLS, TARGET_EP, TARGET_PROLOG_FUNCTION, TARGET_V850)
3089         (TARGET_BIG_SWITCH, TARGET_DEBUG, TARGET_V850E, TARGET_US_BIT_SET)
3090         (TARGET_SMALL_SLD, TARGET_DISABLE_CALLT, TARGET_NO_APP_REGS)
3091         (TARGET_STRICT_ALIGN, TARGET_SWITCHES, TARGET_OPTIONS)
3092         (OVERRIDE_OPTIONS): Delete.
3093         (MASK_CPU): Redefine as MASK_V850 | MASK_V850E.
3094         (small_memory_info): Remove the value field.
3095         (CONDITIONAL_REGISTER_USAGE): Check !TARGET_APP_REGS rather than
3096         TARGET_NO_APP_REGS.
3097         * config/v850/v850.c (small_memory): Remove the value field.
3098         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
3099         (override_options): Delete.
3100         (v850_handle_memory_option, v850_handle_option): New functions.
3101         * config/v850/v850.opt: New file.
3102
3103 2005-04-06  Geoffrey Keating  <geoffk@apple.com>
3104
3105         * config.host: Add a section for generic hosts, and a subsection
3106         for Darwin.  Add a case for x86-darwin.  Update ppc-darwin case.
3107         * config/host-darwin.c: New, split out of config/rs6000/host-darwin.c.
3108         * config/host-darwin.h: New.
3109         * config/x-darwin: New.
3110         * config/i386/host-i386-darwin.c: New.
3111         * config/i386/x-darwin: New.
3112         * config/rs6000/host-darwin.c: Include host-darwin.h.
3113         (darwin_rs6000_gt_pch_get_address): Move to config/host-darwin.c.
3114         (darwin_rs6000_gt_pch_use_address): Likewise.
3115         * config/rs6000/x-darwin: Change name of .o built, update
3116         dependencies for changes to rs6000/host-darwin.c.
3117
3118 2005-04-06  Ralf Corsepius  <ralf.corsepius@rtems.org>
3119
3120         PR target/17824
3121         * config/c4x/c4x.h (ASM_PROG, LD_PROG): Remove.
3122
3123 2005-04-06  Dorit Naishlos  <dorit@il.ibm.com>
3124
3125         * tree-vect-analyze.c (vect_analyze_loop_form): Call
3126         split_loop_exit_edge instead of loop_split_edge_with.
3127
3128 2005-04-06  Paolo Bonzini  <bonzini@gnu.org>
3129
3130         * config/rs6000/altivec.md (UNSPEC_VSLW, UNSPEC_SUBS,
3131         UNSPEC_SET_VSCR): New constants, used throughout.
3132         (*andc3_v4sf): New.
3133         (altivec_vspltisb, altivec_vsplitish, altivec_vsplitisw):
3134         Replace with...
3135         (altivec_vspltis<VI_char>): ... this pattern, using
3136         a QImode const_int_operand for the immediate.
3137         (abs<mode>2, absv4sf2, altivec_abss_<mode>): Rewrite as
3138         define_expands.
3139
3140 2005-04-06  Ralf Corsepius  <ralf.corsepius@rtems.org>
3141
3142         PR target/17822
3143         * config/avr/t-avr (AR_FOR_TARGET,RANLIB_FOR_TARGET): Remove.
3144
3145 2005-04-06  Kelley Cook  <kcook@gcc.gnu.org>
3146
3147         * Makefile.in (LIBGCC2_CFLAGS): Compile with -pipe.
3148
3149 2005-04-06  Ben Elliston  <bje@au.ibm.com>
3150
3151         * gcc.c: Correct comment about DEFAULT_SWITCH_TAKES_ARG and
3152         DEFAULT_WORD_SWITCH_TAKES_ARG which incorrectly reported these
3153         macros as living in "this file" and not gcc.h.
3154
3155 2005-04-06  Ben Elliston  <bje@au.ibm.com>
3156
3157         * doc/invoke.texi (Optimize Options): Mention -ftree-lrs, not
3158         -ftree-live_range_split.  Perhaps renamed at some point?
3159
3160 2005-04-06  Zdenek Dvorak  <dvorakz@suse.cz>
3161
3162         PR target/20625
3163         * tree-ssa-loop-ivopts.c (generic_type_for): New function.
3164         (add_candidate_1): Use generic_type_for instead of unsigned_type_for.
3165
3166 2005-04-06  Zdenek Dvorak  <dvorakz@suse.cz>
3167
3168         * tree-flow.h (number_of_iterations_cond): Declaration removed.
3169         * tree-ssa-loop-niter.c (number_of_iterations_cond): Made static.
3170         (number_of_iterations_special): New function.
3171         (number_of_iterations_exit): Use number_of_iterations_special.
3172         Use simplify_using_outer_evolutions only at -O3.
3173         (number_of_iterations_cond, tree_simplify_using_condition,
3174         simplify_using_initial_conditions, loop_niter_by_eval,
3175         compare_trees, can_count_iv_in_wider_type_bound,
3176         simplify_using_outer_evolutions): Use fold_build.
3177
3178 2005-04-05  Thomas Fitzsimmons  <fitzsim@redhat.com>
3179
3180         * doc/install.texi (Configuration): Document --with-java-home.
3181
3182 2005-04-05  Richard Henderson  <rth@redhat.com>
3183
3184         PR target/20342
3185         PR target/20447
3186         * config/i386/i386.c (print_operand): Handle vector zeros.
3187         (ix86_split_to_parts): Handle CONST_VECTOR.
3188         (ix86_hard_regno_mode_ok): Allow MMX modes in general regs.
3189         (ix86_modes_tieable_p): Use ix86_hard_regno_mode_ok to decide
3190         what modes to tie for MMX and SSE registers.
3191         * config/i386/i386.h (MMX_REG_MODE_P): Remove.
3192         * config/i386/i386.md: Extend move 0 -> xor peephole to apply
3193         to vector modes as well.
3194         * config/i386/predicates.md (const0_operand): Handle VOIDmode
3195         properly as an input mode.
3196
3197 2005-04-05  Andrew MacLeod  <amacleod@redhat.com>
3198
3199         * tree-ssa-operands.c (verify_abort): Use %p for pointers.
3200
3201 2005-04-05  Andrew MacLeod  <amacleod@redhat.com>
3202
3203         * tree-pretty-print.c (dump_generic_node): Use %p for pointer.
3204
3205 2005-04-05  Jakub Jelinek  <jakub@redhat.com>
3206
3207         * config/i386/i386.c (init_cumulative_args): For -m32 -mfpmath=sse
3208         and local functions, set sse_nregs to 8 and float_in_sse.
3209         (function_arg_advance, function_arg): If float_in_sse, pass
3210         SFmode and DFmode arguments in SSE registers.
3211         * config/i386/i386.h (CUMULATIVE_ARGS): Add float_in_sse field.
3212
3213         * config/i386/i386.c (ix86_value_regno): Only optimize local functions
3214         of -funit-at-a-time.
3215
3216 2005-04-05  Paolo Bonzini  <bonzini@gnu.org>
3217
3218         * config/i386/i386-protos.h (ix86_function_value): Accept two
3219         arguments, like the target macro.
3220         * config/i386/i386.h (FUNCTION_VALUE): Pass both arguments.
3221         * config/i386/i386.c (ix86_function_value): Accept the second
3222         argument of the target macro.
3223         (ix86_function_ok_for_sibcall): Pass a function pointer to
3224         ix86_function_value.
3225         (ix86_function_value, ix86_libcall_value) [!TARGET_64BIT]: Adjust
3226         call to ix86_value_regno).
3227         (ix86_value_regno): Add support for returning floating point values
3228         in SSE registers.
3229
3230 2005-04-05  Jakub Jelinek  <jakub@redhat.com>
3231
3232         PR tree-optimization/20076
3233         * tree-inline.c (inline_forbidden_p_1): Prevent inlining functions
3234         that call __builtin_return or __builtin_apply_args.
3235
3236 2005-04-05  Andrew MacLeod  <amacleod@redhat.com>
3237
3238         * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use update_stmt.
3239         Use immediate use iterator.
3240         (stmt_is_bumper_for_loop): Use immediate use iterator.
3241         * predict.c (strip_builtin_expect): Use update_stmt.
3242         * tree-cfg.c (update_modified_stmts): New. Call update_stmt_if_modified
3243         on all elements of a STATEMENT_LIST.
3244         (bsi_insert_before, bsi_insert_after): Call update_modified_stmts.
3245         (bsi_remove): Remove imm_use links and mark the stmt as modified.
3246         (bsi_replace): Mark stmt as modified and the update it.
3247         * tree-complex.c (update_complex_assignment): Call mark_stmt_modified.
3248         (expand_complex_libcal): Call update_stmt.
3249         (expand_complex_comparison): Call mark_stmt_modified.
3250         (expand_complex_operations_1): Call update_stmt_if_modified.
3251         (expand_vector_operations_1): Call mark_stmt_modified.
3252         * tree-dfa.c (compute_immediate_uses, free_df_for_stmt, free_df,
3253         compute_immediate_uses_for_phi, compute_immediate_uses_for_stmt,
3254         add_immediate_use, redirect_immediate_use,
3255         redirect_immediate_uses, dump_immediate_uses, debug_immediate_uses,
3256         dump_immediate_uses_for, debug_immediate_uses_for): Delete.
3257         (mark_new_vars_to_rename): Call update_stmt.
3258         * tree-dump.c (dump_option_value_in): Add "stmtaddr".
3259         * tree-flow-inline.h (modify_stmt): Rename to mark_stmt_modified.
3260         Ignore PHI nodes.
3261         (unmodify_stmt): Delete.
3262         (update_stmt): New.  Force an update of a stmt.
3263         (update_stmt_if_modified): update a stmt if it is out of date.
3264         (get_stmt_operands): Verify stmt is NOT modified.
3265         (stmt_modified_p): Update comment.
3266         (delink_imm_use): Remove a use node from its immuse list.
3267         (link_imm_use_to_list): Link a use node to a specific list.
3268         (link_imm_use): Link a node to the correct list.
3269         (set_ssa_use_from_ptr): Set a use node to a specific value, and insert
3270         it in the correct list, if appropriate.
3271         (link_imm_use_stmt): Link a use node, and set the stmt pointer.
3272         (relink_imm_use): Link a use node in place of another node in a list.
3273         (relink_imm_use_stmt): LInk a node in place of another node, and set
3274         the stmt pointer.
3275         (end_safe_imm_use_traverse): New.  Terminate a safe immuse iterator.
3276         (end_safe_imm_use_p): New.  Check for the end of a safe immuse iterator.
3277         (first_safe_imm_use): New.  Initialize a safe immuse iterator.
3278         (next_safe_imm_use): New.  Proceed to next safe immuse iterator value.
3279         (end_readonly_imm_use_p): New.  Check for end of a fast immuse iterator.
3280         (first_readonly_imm_use): New.  Initialize a fast immuse iterator.
3281         (next_readonly_imm_use): New.  Get the next fast immuse iterator value.
3282         (has_zero_uses): New.  Return true if there are no uses of a var.
3283         (has_single_use): New.  Return true if there is only a single use of a
3284         variable.
3285         (single_imm_use): New.  Return the simgle immediate use.
3286         (num_imm_uses): New.  Return the number of immediate uses.
3287         (get_v_must_def_ops): Use is now a pointer.
3288         (use_operand_p, get_v_may_def_op_ptr, get_vuse_op_ptr,
3289         get_v_must_def_kill_ptr, get_phi_arg_def_ptr): Return the address of
3290         the use node.
3291         (get_immediate_uses, num_immediate_uses, immediate_use): Delete.
3292         (delink_stmt_imm_use): Delink all immuses from a stmt.
3293         (phi_arg_index_from_use): New.  Return a phi arg index for a use.
3294         * tree-flow.h (struct dataflow_d): Delete.
3295         (immediate_use_iterator_d): New.  Immediate use iterator struct.
3296         (FOR_EACH_IMM_USE_FAST): New.  Macro for read only immuse iteration.
3297         (FOR_EACH_IMM_USE_SAFE): New.  Macro for write-safe immuse iteration.
3298         (BREAK_FROM_SAFE_IMM_USE): New.  Macro for earlyu exit from write-safe
3299         iteration.
3300         (struct stmt_ann_d): Remove dataflow_t from struct.
3301         * tree-if-conv.c (tree_if_conversion).  Don't call free_df.
3302         (if_convertible_phi_p): Use FAST immuse iterator.
3303         (if_convertible_loop_p): Don't call compute_immediate_uses.
3304         (replace_phi_with_cond_modify_expr): Call update_stmt.
3305         * tree-into-ssa.c (mark_def_sites, ssa_mark_def_sites): Call
3306         update_stmt_if_modified.
3307         (rewrite_all_into_ssa): Initialize ssa operands.
3308         * tree-loop-linear.c (linear_transform_loops): Don't call free_df or
3309         compute_immediate_uses.
3310         * tree-optimize.c (execute_todo): Call verify_ssa whenever the
3311         ssa_property is available.
3312         (execute_one_pass):  Change parameters passed to execute_todo.
3313         * tree-outof-ssa.c (rewrite_trees): Don't call modify_stmt.
3314         (remove_ssa_form): Call fini_ssa_operands.
3315         (insert_backedge_copies): Delete call to modify_stmt.
3316         * tree-phinodes.c (make_phi_node): Initialize use nodes.
3317         (release_phi_node): Delink any use nodes before releasing.
3318         (resize_phi_node): Relink any use nodes.
3319         (remove_phi_arg_num): Delink the use node.
3320         (remove_phi_node): Release the ssa_name AFTER releasing the phi node.
3321         (remove_all_phi_nodes_for): Release phi node first.
3322         * tree-pretty-print.c (dump_generic_node): Print stmt address.
3323         * tree-sra.c (mark_all_v_defs): Call update_stmt_if_modified.
3324         (scalarize_use, scalarize_copy): Call update_stmt.
3325         * tree-ssa-alias.c (compute_may_aliases): Update all modified stmts.
3326         (compute_points_to_and_addr_escape): Call mark_stmt_modified.
3327         * tree-ssa-cpp.c (need_imm_uses_for): Delete.
3328         (ccp_initialize): Remove call to compute_immediate_uses.
3329         (substitute_and_fold, execute_fold_all_builtins): Call update_stmt.
3330         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Update all modified
3331         stmts.
3332         (simplify_cond_and_lookup_avail_expr): Call mark_stmt_modified.
3333         (simplify_switch_and_lookup_avail_expr): Call mark_stmt_modified.
3334         (eliminate_redundant_computations): Call mark_stmt_modified.
3335         (cprop_operand): Call mark_stmt_modified.
3336         (optimize_stmt): Call update_stmt_if_modified and mark_stmt_modified.
3337         * tree-ssa-dse.c (fix_phi_uses, fix_stmt_v_may_defs): Delete.
3338         (dse_optimize_stmt): Use new immuse interface.
3339         (tree_ssa_dse): Remove calls to compute_immediate_uses and free_df.
3340         * tree-ssa-forwprop.c (need_imm_uses_for): Delete.
3341         (substitute_single_use_vars): Use new immuse interface.
3342         (tree_ssa_forward_propagate_single_use_vars): Remove calls to free_df
3343         and compute_immediate_uses.
3344         * tree-ssa-loop-im.c (single_reachable_address): Use new immuse
3345         interface.
3346         (rewrite_mem_refs): Call update_stmt.
3347         (determine_lsm): Remove call to compute_imm_uses and free_df.
3348         * tree-ssa-loop-ivcanon.c (create_canonical_iv): Call update_stmt.
3349         (try_unroll_loop_completely): Call update_stmt.
3350         * tree-ssa-loop-ivopts.c (rewrite_address_base): Call update_stmt.
3351         (rewrite_use_compare): Call update_stmt.
3352         (compute_phi_arg_on_exit): Insert each stmt before trying to process.
3353         (rewrite_use) : Call update_stmt.
3354         * tree-ssa-loop-manip.c (verify_loop_closed_ssa): Add arg to call.
3355         * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Call
3356         update_stmt.
3357         * tree-ssa-operands.c (NULL_USE_OPERAND_P): Remove declaration.
3358         (allocate_use_optype, allocate_vuse_optype): Adjust allocation size.
3359         (free_uses, free_vuses, free_v_may_defs, free_v_must_defs): Delink
3360         use nodes.
3361         (initialize_vuse_operand): New.  Initialize a vuse operand.
3362         (initialize_v_may_def_operand): New.  Initialize a maydef operand.
3363         (initialize_v_must_def_operand): New.  Initialize a mustdef operand.
3364         (finalize_ssa_defs): Use stmt parameter.
3365         (correct_use_link): Ensure a use node is in the correct list, and has
3366         the correct stmt pointer.
3367         (finalize_ssa_uses, finalize_ssa_v_may_defs, finalize_ssa_vuses,
3368         finalize_ssa_v_must_defs): Also initialize use nodes.
3369         (finalize_ssa_stmt_operands): Pass extra stmt operands.
3370         (build_ssa_operands): Seperate parsing from final operand construction.
3371         (parse_ssa_operands): New.  Parse entry point for operand building.
3372         (swap_tree_operands): New.  Swap 2 tree operands.
3373         (update_stmt_operands): Ranamed from get_stmt_operands.  Always builds
3374         operands.
3375         (get_expr_operands): Call swap_tree_operands when needed.
3376         (copy_virtual_operands): Use initialize routines for virtual use ops.
3377         (create_ssa_artficial_load_stmt): Add extra stmt parameter.
3378         (verify_abort): New.  Issue imm_use error.
3379         (verify_imm_links): New Verify imm_use links for a var.
3380         (dump_immediate_uses_for): New.  Dump imm_uses for a var to file.
3381         (dump_immediate_uses): New.  Dump imm_uses for all vars to file.
3382         (debug_immediate_uses): New.  Dump imm_uses for all vars to stderr.
3383         (debug_immediate_uses_for): New.  Dump imm_uses for a var to stderr.
3384         * tree-ssa-operands.h (struct use_operand_ptr): Delete.
3385         (NULL_USE_OPERAND_P) Define.
3386         (use_optype_d, v_def_use_operand_type, vuse_optype_d): Add immediate
3387         use node.
3388         (struct vuse_operand_type): New struct.
3389         (SET_USE): Call set_ssa_use_from_ptr.
3390         (USE_STMT): Define.
3391         (PHI_ARG_INDEX_FROM_USE): Define.
3392         * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Set the phi
3393         argument via SET_USE, not PHI_ARG_DEF_TREE.
3394         * tree-ssa-pre.c (eliminate): Call update_stmt.
3395         * tree-ssa-propagate.c (cfg_blocks_get): Use imm_use iterators.  Don't
3396         call free_df.
3397         * tree-ssa-sink.c (all_immediate_uses_same_place): Use imm_use iterator.
3398         (nearest_common_dominator_of_uses): Use imm_use iterator.
3399         (statement_sink_location): Use imm_use iterator and interface.
3400         (execute_sink_code): Don't call compute_immediate_uses or free-df.
3401         * tree-ssa-threadupdate.c (create_edge_and_update_destination_phis): Use
3402         PHI_ARG_DEF, not PHI_ARG_DEF_TREE.
3403         * tree-ssa.c (verify_use, verify_phi_args): Verify some imm_use info.
3404         (verify_ssa): Ensure no stmt is marked modify after optimization pass
3405         if new parameter is true.
3406         (init_tree_ssa): Don't initialize operand cache here.
3407         (delete_tree_ssa): Don't destroy operand cache here.
3408         (propagate_into_addr): Pass in a use pointer, return true if anything
3409         was changed.
3410         (replace_immediate_uses): Use imm_use iterator, call update_stmt.
3411         (check_phi_redundancy): Use imm_use iterator.
3412         (kill_redundant_phi_nodes): Don't call compute_immediate_uses or
3413         free_df.
3414         * tree-ssanames.c (make_ssa_name): Initialize imm_use node.
3415         (release_ssa_name): Delink node and all elements in its imm_use list.
3416         * tree-tailcall.c (adjust_return_value): Call update_stmt.
3417         * tree-vect-analyze.c (vect_stmt_relevant_p): Use imm_use iterator.
3418         * tree-vectorizer.c (need_imm_uses_for): Delete.
3419         (vectorize_loops): Dont call compute_immediate_uses or free_df.
3420         * tree.h (struct ssa_imm_use_d): Define.
3421         (SSA_NAME_IMM_USE_NODE): Define.
3422         (struct tree_ssa_name): Add imm_use node.
3423         (PHI_DF): Delete.
3424         (PHI_ARG_IMM_USE_NODE): Define.
3425         (struct phi_arg_d): Add imm_use node.
3426         (struct tree_phi_node): Remove struct dataflow_d element.
3427         (TDF_STMTADDR): Define.
3428
3429 2005-04-05  Dale Johannesen  <dalej@apple.com>
3430
3431         * doc/invoke.texi (Optimization Options):  Remove
3432         duplicate -fcse-follow-jumps.  Add -fweb.
3433         (-ftree-lim):  Fix spelling (-ftree-loop-im, invariants).
3434         (-fivcanon):  Fix spelling (-ftree-loop-ivcanon).
3435
3436 2005-04-05  Per Bothner  <per@bothner.com>
3437
3438         * tree-ssa.c (execute_early_warn_uninitialized): Pass context node
3439         to talk_tree as 'data' parameter, rather than EXPR_LOCUS.
3440         (warn_uninit): Get EXPR_LOCUS from context now instead.
3441         This fixes a USE_MAPPED_LOCATION testsuite failure.
3442
3443         * tree-ssa.c (warn_uninitialized_var): Remove useless local.
3444
3445 2005-04-05  Per Bothner  <per@bothner.com>
3446
3447         * c-decl.c (finish_function): If USE_MAPPED_LOCATION set the location
3448         of the artification 'return 0' in main() to BUILTINS_LOCATION.
3449         * tree-cfg.c (remove_bb): Check that location isn't BUILTINS_LOCATION
3450         before warning.
3451
3452 2004-04-05  Devang Patel  <dpatel@apple.com>
3453
3454         * config/rs600/altivec.md (altivec_vsr<VI_char>): Rename to ..
3455         (lhsr<mode>3): ... new name.
3456         (altivec_vsra<VI_char>): Rename to ..
3457         (ashr<mode>3): ... new name.
3458         * config/rs6000/rs6000.c (builtin_description): Rename shift
3459         operations.
3460
3461 2004-04-05  Paolo Bonzini  <bonzini@gnu.org>
3462
3463         * combine.c (RTL_HOOKS_GEN_LOWPART_NO_EMIT): Use
3464         gen_lowpart_for_combine.
3465         * cse.c (gen_lowpart_if_possible): Move...
3466         * rtlhooks.c (gen_lowpart_if_possible): ... here.  Also try
3467         gen_lowpart_SUBREG.
3468         (gen_lowpart_no_emit_general): Use it.
3469
3470 2005-04-05  Eric Botcazou  <ebotcazou@libertysurf.fr>
3471
3472         * config/sparc/sparc.c (TARGET_ASM_FILE_END): Undefine before
3473         overriding.
3474
3475 2005-04-05  Paolo Bonzini  <bonzini@gnu.org>
3476
3477         * system.h: Fix typo.
3478
3479 2005-04-05  Bernd Schmidt  <bernd.schmidt@analog.com>
3480
3481         * config/bfin/bfin-modes.def: New file.
3482         * config/bfin/bfin-protos.h: New file.
3483         * config/bfin/bfin.c: New file.
3484         * config/bfin/bfin.h: New file.
3485         * config/bfin/bfin.md: New file.
3486         * config/bfin/bfin.opt: New file.
3487         * config/bfin/crti.s: New file.
3488         * config/bfin/crtn.s: New file.
3489         * config/bfin/elf.h: New file.
3490         * config/bfin/lib1funcs.asm: New file.
3491         * config/bfin/predicates.md: New file.
3492         * config/bfin/t-bfin: New file.
3493         * config/bfin/t-bfin-elf: New file.
3494         * doc/extend.texi (exception_handler, kspisusp, nesting, nmi_handler):
3495         Document new attributes.
3496         (interrupt, interrupt_handler, saveall): Update documentation for
3497         these attributes.
3498         * doc/install.texi (Specific): Add entry for the Blackfin.
3499         * doc/invoke.texi (Blackfin Options): New section.
3500         * doc/md.texi (Blackfin family): New section to document constraints.
3501         * config.gcc: Add bfin*-* and bfin*-elf configurations.
3502
3503 2005-04-05  Olivier Hainque  <hainque@adacore.com>
3504
3505         * config/mips/iris6.h (DWARF_FRAME_RETURN_COLUMN): Redefine to
3506         match what the system unwinder expects.
3507         * config/mips/mips.c (mips_frame_set): If we're saving the return
3508         address register and the dwarf return address column number differs
3509         from the hard register number, adjust the note reg to refer to the
3510         former.
3511
3512 2004-04-05  Richard Sandiford  <rsandifo@redhat.com>
3513
3514         * config/mn10300/mn10300-protos.h (mn10300_override_options): Declare.
3515         * config/mn10300/mn10300.h (target_flags, TARGET_MULT_BUG)
3516         (TARGET_SWITCHES, TARGET_DEFAULT): Delete.
3517         (processor_type): New enum.
3518         (mn10300_processor): New variable.
3519         (TARGET_AM33, TARGET_AM33_2): Redefine in terms of mn10300_processor.
3520         (PROCESSOR_DEFAULT, OVERRIDE_OPTIONS): New macros.
3521         * config/mn10300/linux.h (TARGET_SWITCHES, TARGET_DEFAULT): Delete.
3522         (PROCESSOR_DEFAULT): New macro.
3523         * config/mn10300/mn10300.c (mn10300_processor): New variable.
3524         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
3525         (mn10300_handle_option, mn10300_override_options): New functions.
3526         * config/mn10300/mn10300.opt: New file.
3527
3528 2005-04-05  Eric Botcazou  <ebotcazou@libertysurf.fr>
3529             Sebastian Pop <sebastian.pop@cri.ensmp.fr>
3530
3531         PR tree-optimization/19903
3532         * tree-chrec.c (chrec_convert): Return chrec_dont_know for constants
3533         that don't fit in their type after conversion.
3534
3535 2005-04-05  Uros Bizjak <uros@kss-loka.si>
3536
3537         PR target/20421
3538         * config/i386/i386.md (frndintxf2_floor, frndintxf2_ceil)
3539         (frndintxf2_trunc, frndintxf2_mask_pm): Add FLAGS_REG clobber.
3540         Allocate local stack slots here.  Set ix86_optimize_mode_switching.
3541         flag here. Implement using define_insn_and_split.
3542         (frndintxf2_floor_i387, frndintxf2_ceil_i387, frndintxf2_trunc_i387)
3543         (frndintxf2_mask_pm_i387): New insn patterns.
3544         (floorsf2, floordf2, floorxf2): Remove local stack slot allocations.
3545         Do not set ix86_optimize_mode_switching flag.
3546         (ceilsf2, ceildf2, ceilxf2): Same.
3547         (btruncsf2, btruncdf2, btruncxf2): Same.
3548         (nearbyintsf2, nearbyintdf2, nearbyintxf2): Same.
3549
3550 2005-04-05  Ian Lance Taylor  <ian@airs.com>
3551
3552         PR debug/9963
3553         * config/i386/cygming.h (ASM_OUTPUT_EXTERNAL): Pass DECL to
3554         i386_pe_record_external_function.
3555         (i386_pe_record_external_function): Update declaration.
3556         * config/i386/winnt.c (struct extern_list): Add decl field.
3557         (i386_pe_record_external_function): Add decl parameter.
3558         (i386_pe_file_end): Check TREE_ASM_WRITTEN on decl, not
3559         identifier.
3560         * config/i386/i386-protos.h (i386_pe_record_external_function):
3561         Update declaration.
3562
3563 2005-04-05  Kazu Hirata  <kazu@cs.umass.edu>
3564
3565         * config/m68k/m68k-protos.h: Add a prototype for
3566         valid_dbcc_comparison_p_2.
3567         * config/m68k/m68k.c (not_sp_operand, symbolic_operand,
3568         extend_operator, const_uint32_operand, const_sint32_operand,
3569         general_src_operand, nonimmediate_src_operand,
3570         memory_src_operand, post_inc_operand, pre_dec_operand,
3571         pcrel_address): Move to predicates to predicates.md.
3572         * config/m68k/m68k.h (PREDICATE_CODES): Remove.
3573         * config/m68k/m68k.md: Include predicates.md.
3574         * config/m68k/predicates.md: New.
3575
3576 2005-04-04  Roger Sayle  <roger@eyesopen.com>
3577
3578         * config/i386/i386.md (*truncdfsf2_i387_1): New pattern.
3579
3580         * fold-const.c (maybe_lvalue_p): Delete orphaned comment.
3581
3582 2005-04-04  Ian Lance Taylor  <ian@airs.com>
3583
3584         * c-typeck.c (struct c_switch): Rename switch_stmt field to
3585         switch_expr.
3586         (c_start_case): Build SWITCH_EXPR, not SWITCH_STMT.
3587         (do_case): Use SWITCH_COND rather than SWITCH_STMT_COND.
3588         (c_finish_case): Use SWITCH_BODY rather than SWITCH_STMT_BODY.
3589         Call c_do_switch_expr_warnings rather than c_do_switch_warnings.
3590         * c-common.c (c_do_switch_warnings_1): New static function broken
3591         out of c_do_switch_warnings.
3592         (c_do_switch_warnings): Call c_do_switch_warnings_1.
3593         (c_do_switch_expr_warnings): New function.
3594         * c-common.h (c_do_switch_expr_warnings): Declare.
3595
3596 2005-04-04  David Edelsohn  <edelsohn@gnu.org>
3597             Daniel Jacobowitz  <dan@codesourcery.com>
3598
3599         * tree-eh.c (tree_could_trap_p): Allow non-constant floating point
3600         trapping divide.
3601         * rtlanal.c (may_trap_p): Same.
3602
3603 2005-04-04  Dale Johannesen  <dalej@apple.com>
3604
3605         * ChangeLog:  remove reference to ChangeLog.12.
3606
3607 2005-04-05  Hans-Peter Nilsson  <hp@axis.com>
3608
3609         CRIS epilogue as RTL.
3610         * config/cris/cris.md: Change all 0 in unspec 0 to
3611         CRIS_UNSPEC_PLT.
3612         (CRIS_UNSPEC_PLT, CRIS_UNSPEC_FRAME_DEALLOC): New constants.
3613         ("*cris_load_multiple", "cris_frame_deallocated_barrier"): New
3614         patterns.
3615         ("return"): Change to define_expand.  Call cris_expand_return for
3616         actual expansion.
3617         ("*return_expanded"): New pattern.
3618         ("epilogue"): New define_expand.
3619         * config/cris/cris.h (PREDICATE_CODES): Add
3620         cris_load_multiple_op.
3621         * config/cris/cris.c (ASSERT_PLT_UNSPEC): Correct test for unspec
3622         type.
3623         (enum cris_retinsn_type): New.
3624         (struct machine_function): New member return_type.
3625         (TARGET_ASM_FUNCTION_EPILOGUE): Don't override.
3626         (cris_target_asm_function_epilogue): Remove, moving RTLified
3627         contents to...
3628         (cris_expand_epilogue): New function.
3629         (cris_reg_saved_in_regsave_area, cris_movem_load_rest_p,
3630         (cris_gen_movem_load, cris_load_multiple_op)
3631         (cris_return_address_on_stack_for_return, cris_expand_return): New
3632         functions.
3633         (cris_target_asm_function_prologue)
3634         (cris_initial_frame_pointer_offset): Call
3635         cris_reg_saved_in_regsave_area instead of complicated expression.
3636         Call cris_return_address_on_stack instead of an expression.
3637         (cris_print_operand) <case 'o', case 'O'>: New cases.
3638         (cris_return_address_on_stack): Change return-type to bool.
3639         (cris_simple_epilogue): Ditto.  Return false if registers are
3640         saved.
3641         * config/cris/cris-protos.h (cris_simple_epilogue)
3642         (cris_return_address_on_stack): Adjust prototype return type.
3643         (cris_gen_movem_load, cris_expand_epilogue, cris_expand_return)
3644         (cris_return_address_on_stack_for_return): New prototypes.
3645
3646 2005-04-04  Kazu Hirata  <kazu@cs.umass.edu>
3647
3648         * config/frv/frv.h (PREDICATE_CODES): Add CONST to
3649         gpr_or_int12_operand.
3650
3651         * config/frv/frv-protos.h: Add a prototype to
3652         frv_legitimate_memory_operand and frv_const_unspec_p.
3653         (frv_unspec): Move from frv.c.
3654         * config/frv/frv.c (frv_unspec): Move to frv-protos.h.
3655         (frv_const_unspec_p, frv_legitimate_memory_operand_): Export.
3656         (ldd_address_operand, fdpic_fptr_operand, frv_load_operand,
3657         gpr_or_fpr_operand, gpr_or_int12_operand,
3658         gpr_fpr_or_int12_operand, fpr_or_int6_operand,
3659         gpr_or_int10_operand, gpr_or_int_operand, int12_operand,
3660         int6_operand, int5_operand, uint5_operand, uint4_operand,
3661         uint1_operand, int_2word_operand, uint16_operand,
3662         upper_int16_operand, integer_register_operand,
3663         gpr_no_subreg_operand, fpr_operand, even_reg_operand,
3664         odd_reg_operand, even_gpr_operand, odd_gpr_operand,
3665         quad_fpr_operand, even_fpr_operand, odd_fpr_operand,
3666         dbl_memory_one_insn_operand, dbl_memory_two_insn_operand,
3667         move_destination_operand, movcc_fp_destination_operand,
3668         frv_function_symbol_referenced_p, move_source_operand,
3669         condexec_dest_operand, condexec_source_operand,
3670         reg_or_0_operand, lr_operand, fdpic_operand, got12_operand,
3671         const_unspec_operand, gpr_or_memory_operand,
3672         gpr_or_memory_operand_with_scratch, fpr_or_memory_operand,
3673         icc_operand, fcc_operand, cc_operand, icr_operand,
3674         fcr_operand, cr_operand, call_operand, sibcall_operand,
3675         symbolic_operand, relational_operator,
3676         integer_relational_operator, float_relational_operator,
3677         ccr_eqne_operator, minmax_operator,
3678         condexec_si_binary_operator, condexec_si_media_operator,
3679         condexec_si_divide_operator, condexec_si_unary_operator,
3680         condexec_sf_conv_operator, condexec_sf_add_operator,
3681         condexec_memory_operand, intop_compare_operator, acc_operand,
3682         even_acc_operand, quad_acc_operand, accg_operand: Move to
3683         predicates.md.
3684         * config/frv/frv.h (PREDICATE_CODES): Remove.
3685         * config/frv/frv.md: Include predicates.md.
3686         * config/frv/predicates.md: New.
3687
3688 2004-04-04  Richard Sandiford  <rsandifo@redhat.com>
3689
3690         PR target/19537
3691         * Makefile.in (tree-ssa-loop-ivopts.o): Depend on langhooks.h.
3692         * tree-ssa-loop-ivopts.c: Include langhooks.h.
3693         (add_standard_iv_candidates_for_size): New function, extracting code
3694         from add_standard_iv_candidates and parameterizing it by type size.
3695         (add_standard_iv_candidates): Use add_standard_iv_candidates_for_size.
3696
3697 2004-04-04  Richard Sandiford  <rsandifo@redhat.com>
3698
3699         * system.h (GCOV_SIZE_TYPE): Unposion.
3700         * gcov-io.h (GCOV_TYPE_NODE): Delete, replacing with...
3701         (GCOV_TYPE_SIZE): ...this new macro.
3702         * coverage.h (get_gcov_type, GCOV_TYPE_NODE): Declare.
3703         * coverage.c (get_gcov_type, get_gcov_unsigned_t): New functions.
3704         (rtl_coverage_counter_ref): Use GCOV_TYPE_SIZE.
3705         (build_fn_info_type, build_fn_info_value, build_ctr_info_type)
3706         (build_ctr_info_value, build_gcov_info): Use get_gcov_unsigned_t
3707         instead of unsigned_intSI_type_node.
3708         * rtl-profile.c (rtl_gen_interval_profiler, rtl_gen_pow2_profiler)
3709         (rtl_gen_one_value_profiler_no_edge_manipulation)
3710         (rtl_gen_const_delta_profiler): Use GCOV_TYPE_SIZE.
3711         * value-prof.c: Include coverage.h.
3712
3713 2005-04-02  Daniel Berlin  <dberlin@dberlin.org>
3714             Diego Novillo <dnovillo@redhat.com>
3715
3716         Fix PR tree-optimization/20703
3717         Fix PR tree-optimization/20725
3718
3719         * tree-ssa-pre.c (phi_translate): Handle tcc_comparison.
3720         (create_expression_by_pieces): Ditto.
3721         (valid_in_set): Ditto. Also handle tcc_declaration.
3722         (find_or_generate_expression): Handle comparison class.
3723         (insert_into_preds_of_block): Ditto.
3724         (insert_aux): Ditto.
3725         (create_value_expr_from): Handle comparison class, recursively
3726         handle reference nodes.
3727         (compute_avail): Handle comparison classes, rewrite a little cleaner.
3728         (execute_pre): Fix spacing.
3729         (do_fre): Renamed to execute_fre.
3730
3731 2005-04-04  Eric Botcazou  <ebotcazou@libertysurf.fr>
3732
3733         * doc/invoke.texi (SPARC options): Document that
3734         -mlittle-endian is not supported on Linux either.
3735
3736 2005-04-04  Eric Botcazou  <ebotcazou@libertysurf.fr>
3737
3738         PR target/4198
3739         PR target/12027
3740         * config.gcc (Obsolete configurations): Remove
3741         sparclite-*-coff*, sparclite-*-elf* and sparc86x-*-elf*.
3742         (sparclite-*-coff*): Delete.
3743         (sparclite-*-elf*): Likewise.
3744         (sparc86x-*-elf*): Likewise.
3745         (target_cpu_default) <sparc*-*-*>: Remove sparc86x.
3746         * config/sparc/lite.h: Delete.
3747         * config/sparc/litecoff.h: Likewise.
3748         * config/sparc/liteelf.h: Likewise.
3749         * config/sparc/sp86x-elf.h: Likewise.
3750         * config/sparc/t-sparclite: Likewise.
3751         * config/sparc/t-sp86x: Likewise.
3752
3753 2005-04-04  Adrian Straetling  <straetling@de.ibm.com>
3754
3755         * config/s390/s390-protos.h: (s390_comparison,
3756         s390_alc_comparison, s390_slb_comparison, const0_operand,
3757         consttable_operand, larl_operand, s_operand,
3758         shift_count_operand, bras_sym_operand, load_multiple_operation,
3759         store_multiple_operation, s390_plus_operand): Remove prototypes.
3760         (s390_legitimate_address_without_index_p): New prototype.
3761         * config/s390/s390.c: (SYMBOL_FLAG_ALIGN1, DISP_IN_RANGE): Move
3762         to s390.h.
3763         (s390_comparison, s390_alc_comparison, s390_slb_comparison,
3764         const0_operand, consttable_operand, larl_operand, s_operand,
3765         shift_count_operand, bras_sym_operand, load_multiple_operation,
3766         store_multiple_operation, s390_plus_operand): Move to
3767         predicates.md.
3768         (check_mode): Remove.
3769         (s390_branch_condition_mask): Remove 'static'. Move prototype to
3770         s390-protos.h.
3771         (s390_legitimate_address_without_index_p): New.
3772         * config/s390/s390.h (PREDICATE_CODES): Remove.
3773         * config/s390/s390.md: Include predicates.md.
3774         * config/s390/predicates.md: New.
3775
3776 2005-04-04  Eric Botcazou  <ebotcazou@libertysurf.fr>
3777
3778         PR target/20446
3779         * config/sparc/sparc.h (NEED_INDICATE_EXEC_STACK): Define to 0.
3780         * config/sparc/linux.h (TARGET_ASM_FILE_END): Delete.
3781         (NEED_INDICATE_EXEC_STACK): Define to 1.
3782         * config/sparc/linux64.h (TARGET_ASM_FILE_END): Delete.
3783         (NEED_INDICATE_EXEC_STACK): Define to 1.
3784         * config/sparc/sparc.c (TARGET_ASM_FILE_END): Set to sparc_file_end.
3785         (add_pc_to_pic_symbol): Rename into pic_helper_symbol.
3786         (add_pc_to_pic_symbol_name): Rename into pic_helper_symbol_name.
3787         (pic_helper_emitted_p): New global.
3788         (emit_pic_helper): New function extracted from...
3789         (load_pic_register): ...here.  Add 'delay_pic_helper' parameter.
3790         Do not call emit_pic_helper if delay_pic_helper is true.
3791         (sparc_expand_prologue): Pass 'false' to load_pic_register.
3792         (sparc_output_mi_thunk): Pass 'true' to load_pic_register.
3793         (sparc_file_end): New function.
3794
3795 2005-04-04  Kazu Hirata  <kazu@cs.umass.edu>
3796
3797         * config/mcore/mcore-protos.h: Remove the prototypes for
3798         mcore_arith_reg_operand, mcore_general_movsrc_operand,
3799         mcore_general_movdst_operand, mcore_reload_operand,
3800         mcore_arith_J_operand, mcore_arith_K_operand,
3801         mcore_arith_K_operand_not_0, mcore_arith_M_operand,
3802         mcore_arith_K_S_operand, mcore_arith_imm_operand,
3803         mcore_arith_any_imm_operand, mcore_arith_O_operand,
3804         mcore_literal_K_operand, mcore_addsub_operand,
3805         mcore_compare_operand, mcore_load_multiple_operation,
3806         mcore_store_multiple_operation, mcore_call_address_operand.
3807         Add a prototype for const_ok_for_mcore.
3808         * config/mcore/mcore.c (mcore_call_address_operand,
3809         mcore_general_movsrc_operand, mcore_general_movdst_operand,
3810         mcore_arith_reg_operand, mcore_reload_operand,
3811         mcore_arith_J_operand, mcore_arith_K_operand,
3812         mcore_arith_K_operand_not_0, mcore_arith_K_S_operand,
3813         mcore_arith_M_operand, mcore_arith_imm_operand,
3814         mcore_arith_any_imm_operand, mcore_arith_O_operand,
3815         mcore_literal_K_operand, mcore_addsub_operand,
3816         mcore_compare_operand, mcore_load_multiple_operation,
3817         mcore_store_multiple_operation): Move to predicates.md.
3818         (const_ok_for_mcore): Export.
3819         * config/mcore/mcore.h (PREDICATE_CODES): Remove.
3820         * config/mcore/mcore.md: Include predicates.md.
3821         * config/mcore/predicates.md: New.
3822
3823         * config/mcore/predicates.md: Fix a comment typo.
3824
3825 2005-04-04  Andreas Krebbel  <krebbel1@de.ibm.com>
3826             Adrian Straetling  <straetling@de.ibm.com>
3827
3828         * config/s390/2064.md ("z_mul", "z_inf"): New insn reservations.
3829         * config/s390/2084.md ("x_mul_hi", "x_mul_sidi", "x_div"): Likewise.
3830         * config/s390/s390.md ("imulhi", "imulsi", "imuldi"): Added to "type"
3831         attribute.
3832         ("imul"): Removed from "type" attribute.
3833         ("*muldi3_sign", "muldi3"): Changed type to imuldi.
3834         ("mulsi3/1", "mulsi3/3", "mulsi/4", "mulsidi3", "umulsidi3"):
3835         Changed type to imulsi.
3836         ("*mulsi3_sign", "mulsi3/2"): Changed type to imulhi.
3837
3838 2005-04-04  Richard Sandiford  <rsandifo@redhat.com>
3839
3840         * config/mcore/mcore.h (target_flags, HARDLIT_BIT, ALIGN8_BIT, DIV_BIT)
3841         (RELAX_IMM_BIT, W_FIELD_BIT, OVERALIGN_FUNC_BIT, CGDATA_BIT)
3842         (SLOW_BYTES_BIT, LITTLE_END_BIT, M340_BIT, TARGET_HARDLIT)
3843         (TARGET_DIV, TARGET_RELAX_IMM, TARGET_W_FIELD, TARGET_OVERALIGN_FUNC)
3844         (TARGET_CG_DATA, TARGET_SLOW_BYTES, TARGET_LITTLE_END, TARGET_M340)
3845         (TARGET_SWITCHES, mcore_stack_increment_string)
3846         (TARGET_OPTIONS): Delete.
3847         (TARGET_DEFAULT, OPTIMIZATION_OPTIONS): Use MASK_* constants rather
3848         than *_BIT constants.
3849         (TARGET_8ALIGN): #undef old definition before redefining to 1.
3850         * config/mcore/mcore.c (mcore_stack_increment_string): Delete.
3851         (TARGET_DEFAULT_TARGET_FLAGS): Override default to TARGET_DEFAULT.
3852         (mcore_override_options): Delete mcore_stack_increment code.
3853         Change use of M340_BIT to MASK_M340.
3854         * config/mcore/mcore.opt: New file.
3855
3856 2005-04-04  Ian Lance Taylor  <ian@airs.com>
3857
3858         * config/arm/arm.c (replace_symbols_in_block): Remove static
3859         function.
3860
3861 2005-04-04  Kazu Hirata  <kazu@cs.umass.edu>
3862
3863         * config/fr30/fr30-protos.h: Remove the prototypes for
3864         stack_add_operand, add_immediate_operand,
3865         high_register_operand, low_register_operand, call_operand,
3866         di_operand, and nonimmediate_di_operand.
3867         * config/fr30/fr30.c (stack_add_operand,
3868         add_immediate_operand, high_register_operand,
3869         low_register_operand, call_operand, di_operand,
3870         nonimmediate_di_operand): Move to predicates.md.
3871         * config/fr30/fr30.h (PREDICATE_CODES): Remove.
3872         * config/fr30/fr30.md: Include predicates.md.
3873         * config/fr30/predicates.md: New.
3874
3875         * config/mcore/mcore.h (PREDICATE_CODES): Add SYMBOL_REF and
3876         LABEL_REF to mcore_general_movsrc_operand.  Add SYMBOL_REF to
3877         mcore_call_address_operand.
3878
3879         * config/sh/sh.h (PREDICATE_CODES): Add CONST to
3880         general_movsrc_operand.
3881
3882 2005-04-04  Alan Modra  <amodra@bigpond.net.au>
3883
3884         * passes.c (rest_of_handle_final): NULL unlikely_text_section_name
3885         after freeing.
3886
3887 2005-04-04  Richard Earnshaw  <richard.earnshaw@arm.com>
3888
3889         PR target/14812
3890         * arm.c (arm_select_cc_mode): Return CC_Zmode when comparing against
3891         a negated value.
3892
3893 2005-04-04  Richard Henderson  <rth@redhat.com>
3894             Jakub Jelinek  <jakub@redhat.com>
3895
3896         PR rtl-optimization/16104
3897         * fold-const.c (fold_unary): Fix folding of vector conversions.
3898
3899 2005-04-04  Richard Sandiford  <rsandifo@redhat.com>
3900
3901         * config.gcc (xstormy16-*-elf): Set extra_options.
3902         * config/stormy16/stormy16.h (target_flags, TARGET_SWITCHES): Delete.
3903         * config/stormy16/stormy16.opt: New file.
3904
3905 2005-04-04  Richard Sandiford  <rsandifo@redhat.com>
3906
3907         * config/pdp11/pdp11.h (target_flags, TARGET_SWITCHES, TARGET_DEFAULT)
3908         (TARGET_FPU, TARGET_SOFT_FLOAT, TARGET_AC0, TARGET_NO_AC0, TARGET_45)
3909         (TARGET_BCOPY_BUILTIN, TARGET_INT16, TARGET_INT32, TARGET_FLOAT32)
3910         (TARGET_FLOAT64, TARGET_ABSHI_BUILTIN, TARGET_BRANCH_EXPENSIVE)
3911         (TARGET_BRANCH_CHEAP, TARGET_SPLIT, TARGET_NOSPLIT)
3912         (TARGET_UNIX_ASM): Delete.
3913         (TARGET_40_PLUS): Redefine in terms of TARGET_40 and TARGET_45.
3914         * config/pdp11/2bsd.h (TARGET_UNIX_ASM_DEFAULT): Use MASK_UNIX_ASM.
3915         * config/pdp11/pdp11.c (pdp11_handle_option): New function.
3916         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
3917         * config/pdp11/pdp11.opt: New file.
3918
3919 2005-04-03  Roger Sayle  <roger@eyesopen.com>
3920             Alexandre Oliva  <aoliva@redhat.com>
3921
3922         PR c++/19199
3923         * fold-const.c (non_lvalue): Split tests into...
3924         (maybe_lvalue_p): New function.
3925         (fold_cond_expr_with_comparison): Preserve lvalue-ness for the
3926         C++ front-end prior to lowering into gimple form.
3927
3928 2005-04-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3929
3930         * builtins.def (BUILT_IN_STPNCPY, BUILT_IN_STRCASECMP,
3931         BUILT_IN_STRNCASECMP): New.
3932         * doc/extend.texi: Document stpncpy, strcasecmp, strncasecmp
3933         and strndup.
3934
3935 2005-04-03  Richard Earnshaw  <richard.earnshaw@arm.com>
3936
3937         PR target/14812
3938         * arm.md (addsi3_compare0_for_combiner): Delete.
3939         (addsi3_compare0_scratch_for_combiner): Delete.
3940         (cmpsi_neg_shiftsi): Delete.
3941         (compare_negsi_si): New pattern.
3942         (cmpsi_negshiftsi_si): New pattern.
3943         (negated_cbranchsi4): Restrict to equality_operator.
3944
3945         * arm.md (movhi_insn_arch4): delete trailing white space from assembler
3946         template.
3947
3948 2005-04-03  Kazu Hirata  <kazu@cs.umass.edu>
3949
3950         * cfghooks.c, cfgrtl.c, modulo-sched.c, config/i386/winnt.c:
3951         Fix comment typos.
3952
3953         * doc/install.texi: Fix a typo.
3954
3955 2005-04-03  Steven Bosscher  <stevenb@suse.de>
3956
3957         PR middle-end/20648
3958         * bb-reorder.c (duplicate_computed_gotos): Do not unfactor
3959         a computed goto if the edge to the computed goto block has
3960         incoming abnormal edges.  Clarify how the function works.
3961
3962 2005-04-03  Nathan Sidwell  <nathan@codesourcery.com>
3963
3964         * params.c (set_param_value): Use gcc_assert & gcc_unreachable.
3965         * passes.c (open_dump_file, rest_of_handle_final): Likewise.
3966         * postreload-gcse.c (expr_equiv_p, oprs_unchanged_p,
3967         hash_scan_set, reg_set_between_after_reload_p,
3968         reg_used_between_after_reload_p, get_avail_load_store_reg,
3969         eliminate_partially_redundant_load): Likewise.
3970         * postreload.c (reload_cse_simplify_set,
3971         reload_combine_note_use): Likewise.
3972         * predict.c (predict_insn, expected_value_to_br_prob,
3973         propagate_freq, expensive_function_p): Likewise.
3974         * print-rtl.c (print_rtx): Likewise.
3975         * profile.c (instrument_edges, instrument_values,
3976         compute_branch_probabilities, branch_prob, union_groups,
3977         tree_register_profile_hooks, rtl_register_profile_hooks): Likewise.
3978         * protoize.c (in_system_include_dir, file_could_be_converted,
3979         file_normally_convertible, gen_aux_info_file, seek_to_line,
3980         do_cleaning): Likewise.
3981         * tree-ssa-alias.c (collect_points_to_info_r): Likewise.
3982         * tree-ssa-ccp.c (execute_fold_all_builtins): Likewise.
3983         * tree-ssa-loop-ivopts.c (produce_memory_decl_rtl): Likewise.
3984
3985 2005-04-03 Mostafa Hagog <mustafa@il.ibm.com>
3986
3987         * cfg.c (clear_bb_flags): Don't clear BB_DISABLE_SCHEDULE.
3988         * modulo-sched.c (undo_replace_buff_elem): New structure.
3989         (kernel_number_of_cycles, ps_unschedule_node,
3990         undo_generate_reg_moves,free_undo_replace_buff,
3991         undo_permute_partial_schedule,  loop_single_full_bb_p,
3992         SIMPLE_SMS_LOOP_P, loop_canon_p, canon_loop,
3993         build_loops_structure, get_sched_window): New.
3994         (generate_reg_moves): Return undo_replace_buff_elem and other
3995         fixes.
3996         (generate_prolog_epilog): Remove old loop versioning.
3997         (sms_schedule): Use loop information and loop_version.
3998         (sms_schedule_by_order): Split part of it to get_sched_window.
3999         * passes.c (rest_of_handle_sms): call cfg_layout_initialize
4000         cfg_layout_finalize and free_dominance_info before/after SMS.
4001
4002 2005-04-03 Mostafa Hagog <mustafa@il.ibm.com>
4003
4004         * cfghooks.c (lv_flush_pending_stmts,
4005         cfg_hook_duplicate_loop_to_header_edge, extract_cond_bb_edges,
4006         lv_adjust_loop_header_phi, lv_add_condition_to_bb): New.
4007         * cfghooks.h (cfg_hook_duplicate_loop_to_header_edge,
4008         lv_add_condition_to_bb,
4009         lv_adjust_loop_header_phi, extract_cond_bb_edges,
4010         flush_pending_stmts): New in cfg_hooks structure.
4011         (cfg_hook_duplicate_loop_to_header_edge, lv_flush_pending_stmts,
4012         extract_cond_bb_edges, lv_adjust_loop_header_phi,
4013         lv_add_condition_to_bb): New declarations.
4014         * cfgloop.h (duplicate_loop_to_header_edge): Change return type to
4015         bool.
4016         (loop_version): Declare.
4017         * cfgloopmanip.c (cfghooks.h): Include.
4018         (duplicate_loop_to_header_edge): Change return type to bool.
4019         (loop_version, lv_adjust_loop_entry_edge): Move here.
4020         * cfgrtl.c (cfgloop.h): Include.
4021         (rtl_verify_flow_info_1): Fix.
4022         (rtl_lv_add_condition_to_bb, rtl_extract_cond_bb_edges): New.
4023         (rtl_cfg_hooks, cfg_layout_rtl_cfg_hook): Add hooks to
4024         initialization.
4025         * tree-cfg.c (tree_lv_adjust_loop_header_phi,
4026         tree_lv_add_condition_to_bb): New.
4027         (tree_cfg_hooks): Add new hooks to initialization.
4028         * tree-ssa-loop-manip.c (lv_adjust_loop_header_phi,
4029         lv_adjust_loop_entry_edge, tree_ssa_loop_version): Remove.
4030
4031 2005-04-03  Kazu Hirata  <kazu@cs.umass.edu>
4032
4033         * config/stormy16/stormy16.h (PREDICATE_CODES): Add SUBREG to
4034         xstormy16_below100_or_register,
4035         xstormy16_splittable_below100_or_register, and
4036         nonimmediate_nonstack_operand.
4037
4038         * config/stormy16/stormy16-protos.h: Remove the prototypes for
4039         xstormy16_ineqsi_operator, equality_operator,
4040         inequality_operator, shift_operator,
4041         xstormy16_below100_operand, xstormy16_below100_or_register,
4042         xstormy16_splittable_below100_or_register,
4043         xstormy16_onebit_set_operand, xstormy16_onebit_clr_operand.
4044         * config/stormy16/stormy16.c (xstormy16_ineqsi_operator,
4045         equality_operator, inequality_operator,
4046         xstormy16_below100_operand, xstormy16_below100_or_register,
4047         xstormy16_splittable_below100_or_register,
4048         xstormy16_onebit_set_operand, xstormy16_onebit_clr_operand,
4049         nonimmediate_nonstack_operand, shift_operator): Move to
4050         predicates.md.
4051         * config/stormy16/stormy16.h (PREDICATE_CODES): Remove.
4052         * config/stormy16/stormy16.md: Include predicates.md.
4053         * config/stormy16/predicates.md: New.
4054
4055 2005-04-02  Kazu Hirata  <kazu@cs.umass.edu>
4056
4057         * config/iq2000/iq2000.c (uns_arith_operand, arith_operand,
4058         small_int, large_int, reg_or_0_operand, simple_memory_operand,
4059         equality_op, cmp_op, pc_or_label_operand, call_insn_operand,
4060         move_operand, power_of_2_operand): Move to predicates.md.
4061         * config/iq2000/iq2000.h (SPECIAL_MODE_PREDICATES,
4062         PREDICATE_CODE): Remove.
4063         * config/iq2000/iq2000.md: Include predicates.md.
4064         * config/iq2000/predicates.md: New.
4065
4066 2005-04-02  Richard Sandiford  <rsandifo@redhat.com>
4067
4068         * config/m68hc11/m68hc11.h (target_flags, MASK_SHORT)
4069         (MASK_AUTO_INC_DEC, MASK_M6811, MASK_M6812, MASK_M68S12)
4070         (MASK_NO_DIRECT_MODE, MASK_MIN_MAX, MASK_LONG_CALLS)
4071         (TARGET_SHORT, TARGET_M6811, TARGET_M6812, TARGET_M68S12)
4072         (TARGET_AUTO_INC_DEC, TARGET_MIN_MAX, TARGET_NO_DIRECT_MODE)
4073         (TARGET_LONG_CALLS, TARGET_SWITCHES, TARGET_OPTIONS)
4074         (SUBTARGET_SWITCHES, SUBTARGET_OPTIONS, m68hc11_regparm_string)
4075         (m68hc11_reg_alloc_order, m68hc11_soft_reg_count)
4076         (TARGET_M68HC11): Delete.
4077         (TARGET_DEFAULT): Change the default setting from MASK_M6811 to 0.
4078         * config/m68hc11/m68hc12.h (TARGET_M68HC12): Delete.
4079         * config/m68hc11/m68hc11.c (m68hc11_regparm_string)
4080         (m68hc11_reg_alloc_order, m68hc11_soft_reg_count)
4081         (nb_soft_regs): Delete.
4082         (TARGET_DEFAULT_TARGET_FLAGS): Override default with TARGET_DEFAULT.
4083         (m68hc11_override_options): Remove the code that caters for MASK_M6811
4084         and MASK_M6812 being set simultaneously.  Change the code that sets
4085         the default m68hc11_soft_reg_count to use integers instead of strings.
4086         (m68hc11_conditional_register_usage, hard_regno_mode_ok): Use
4087         m68hc11_soft_reg_count (which now has an int type) as the number
4088         of soft registers.
4089         * config/m68hc11/m68hc11.opt: New file.
4090
4091 2005-04-02  Kazu Hirata  <kazu@cs.umass.edu>
4092
4093         * config/fr30/fr30.h (PREDICATE_CODES): Remove
4094         fp_displacement_operand, sp_displacement_operand.
4095
4096         * config/m68hc11/m68hc11-protos.h: Add a prototype for
4097         m68hcc_auto_inc_p.
4098         Remove the prototypes for tst_operand, cmp_operand,
4099         stack_register_operand, d_register_operand,
4100         hard_addr_reg_operand, splitable_operand,
4101         m68hc11_logical_operator, m68hc11_arith_operator,
4102         m68hc11_non_shift_operator, m68hc11_shift_operator,
4103         m68hc11_unary_operator, m68hc11_eq_compare_operator,
4104         non_push_operand, hard_reg_operand, and
4105         reg_or_some_mem_operand.
4106         * config/m68hc11/m68hc11.c (m68hcc_auto_inc_p): Make it
4107         extern.
4108         (tst_operand, cmp_operand, non_push_operand,
4109         splitable_operand, reg_or_some_mem_operand,
4110         stack_register_operand, d_register_operand,
4111         hard_addr_reg_operand, hard_reg_operand,
4112         m68hc11_eq_compare_operator, m68hc11_logical_operator,
4113         m68hc11_arith_operator, m68hc11_non_shift_operator,
4114         m68hc11_shift_operator, m68hc11_unary_operator): Move to
4115         predicates.md.
4116         * config/m68hc11/m68hc11.h (PREDICATE_CODES): Remove.
4117         * config/m68hc11/m68hc11.md: Include predicates.md.
4118         * config/m68hc11/predicates.md: New.
4119
4120 2005-04-02  Alexandre Oliva  <aoliva@redhat.com>
4121
4122         PR debug/19345
4123         * dwarf2out.c (add_abstract_origin_attribute): Revert accidental
4124         change checked in along with 2005-03-03's patch for debug/20253.
4125         * tree-inline.c (remap_type): Remap TYPE_STUB_DECL.
4126         (remap_decl): Insert type decl in map earlier.
4127
4128 2005-04-02  Alexandre Oliva  <aoliva@redhat.com>
4129
4130         PR tree-optimization/20640
4131         * tree-ssa-dce.c (remove_dead_stmt): Don't redirect edge to
4132         post-dominator if it has phi nodes.
4133         (eliminate_unnecessary_stmts): Remove dead phis in all blocks
4134         before dead statements.
4135
4136 2005-04-02  Alexandre Oliva  <aoliva@redhat.com>
4137
4138         PR middle-end/20491
4139         * final.c (alter_subreg): Don't call subreg_regno for a non-REG.
4140
4141 2005-04-02  Alexandre Oliva  <aoliva@redhat.com>
4142
4143         PR rtl-optimization/20290
4144         * loop.c (for_each_insn_in_loop): Don't assume the loop body runs
4145         in every iteration if the entry point is the exit test.
4146
4147 2005-04-02  Hans-Peter Nilsson  <hp@axis.com>
4148
4149         * config/cris/cris.md (attribute "length"): Define.
4150
4151 2005-04-02  Geoffrey Keating  <geoffk@apple.com>
4152
4153         * config/rs6000/predicates.md (indexed_or_indirect_operand): New.
4154         (word_offset_memref_operand): New.
4155         * config/rs6000/rs6000-protos.h (word_offset_memref_operand): Delete.
4156         (indexed_or_indirect_operand): Delete.
4157         * config/rs6000/rs6000.c (word_offset_memref_operand): Delete.
4158         (indexed_or_indirect_operand): Delete.
4159
4160         * config/rs6000/t-darwin8: Comment out ppc64 multilib.
4161
4162         PR 20650
4163         * config/rs6000/rs6000.md (fix_truncdfsi2): Make destination
4164         a register.
4165
4166         * config/rs6000/t-darwin (TARGET_LIBGCC2_CFLAGS): Add -pipe.
4167         * config/t-darwin (TARGET_LIBGCC2_CFLAGS): Likewise.
4168
4169 2005-04-01  Jan-Benedict Glaw  <jbglaw@lug-owl.de>
4170
4171         * gcc/config/vax/vax.md: Spellcheck, fix whitespace.
4172
4173 2005-04-01  Ian Lance Taylor  <ian@airs.com>
4174
4175         * gcc.c: Don't include <sys/resource.h> or declare getrusage.
4176         (rus, prus): Remove static variables.
4177         (execute): Use pex_run/pex_get_status rather than pexecute/pwait.
4178         (process_command): Permit report_times and use_pipes together.
4179
4180 2005-04-01  Joseph S. Myers  <joseph@codesourcery.com>
4181
4182         * c-decl.c (validate_proto_after_old_defn): Look at
4183         TYPE_MAIN_VARIANT of argument types.
4184
4185 2005-04-01  Paul Brook  <paul@codesourcery.com>
4186
4187         * config/arm/arm.c (thumb_call_via_label): Include space for SP.
4188         (arm_output_function_epilogue): Allow call_via_SP.
4189         (thumb_call_via_reg, arm_file_end): Ditto.
4190         * config/arm/arm.h (struct machine_function): Include space for SP.
4191         (thumb_call_via_label): Update declaration.
4192
4193 2005-04-01  Ian Lance Taylor  <ian@airs.com>
4194
4195         * final.c (final_scan_insn): Revert part of 2005-03-30 patch: when
4196         doing a peephole optimization, once again put any notes in the
4197         proper position.
4198
4199 2005-04-01  Kazu Hirata  <kazu@cs.umass.edu>
4200
4201         * bb-reorder.c, fold-const.c, varasm.c: Fix comment typos.
4202
4203 2005-04-01  Nathan Sidwell  <nathan@codesourcery.com>
4204
4205         * local-alloc.c (update_equiv_regs): Use gcc_assert, gcc_unreachable.
4206         (block_alloc, find_free_reg): Likewise.
4207         * loop-doloop.c (doloop_modify): Likewise.
4208         * loop-invariant.c (record_use): Likewise.
4209         * loop-iv.c (get_biv_step_1, get_biv_step, iv_analyze,
4210         get_iv_value, canon_condition, eliminate_implied_condition,
4211         eliminate_implied_condition, simplify_using_initial_values,
4212         shorten_into_mode, canonicalize_iv_subregs,
4213         iv_number_of_iterations): Likewise.
4214         * loop-unroll.c (expand_var_during_unrolling): Likewise.
4215         * loop-unswitch.c (compare_and_jump_seq, unswitch_single_loop,
4216         unswitch_loop): Likewise.
4217         * loop.c (INSN_LUID, loop_optimize, rtx_equal_for_loop_p,
4218         move_movables, replace_call_address, find_and_verify_loops,
4219         rtx_equal_for_prefetch_p, fold_rtx_mult_add, loop_iterations,
4220         record_giv, final_giv_value, general_induction_var,
4221         simplify_giv_expr, extension_within_bounds_p, try_copy_prop,
4222         loop_giv_dump): Likewise.
4223
4224         * gcov-io.h (GCOV_CHECK, GCOV_CHECK_READING,
4225         GCOV_CHECK_WRITING): Remove.
4226         (gcov_position, gcov_rewrite): Use gcc_assert.
4227         * gcov-io.c (gcov_open, gcov_write_words, gcov_write_length,
4228         gcov_read_words, gcov_sync, gcov_seek): Use gcc_assert.
4229         * libgcov.c (__gcov_merge_single, __gcov_merge_delta): Use
4230         gcc_assert.
4231
4232 2005-04-01  Kazu Hirata  <kazu@cs.umass.edu>
4233
4234         * tree-inline.c: Fix a typo.
4235
4236 2005-04-01  Nathan Sidwell  <nathan@codesourcery.com>
4237
4238         * configure.ac (enable-checking): Explicitly set all variables for
4239         collective switch values.  Alphabetize variables. Rename
4240         ac_checking_valgrind to ac_valgrind_checking.  Allow 'none' as
4241         synonym for 'no'.
4242         * doc/install.texi (enable-checking): Update documentation.
4243         * configure: Rebuilt.
4244
4245 2005-04-01  Kazu Hirata  <kazu@cs.umass.edu>
4246
4247         * tree-inline.c (copy_body_r): Use CONSTANT_CLASS_P where
4248         possible.
4249
4250 2005-04-01  Richard Earnshaw  <richard.earnshaw@arm.com>
4251
4252         * arm.c (adjacent_mem_locations): Reject volatile memory refs.
4253         Also reject cases where this pattern will cause load delay stalls
4254         unless optimizing for size and it will produce a shorter sequence.
4255         * arm.md (arith_adjacent_mem): Make better use of ldm addressing
4256         variants to avoid pre-adjusting the base when possible.
4257
4258 2005-04-01  Richard Earnshaw  <richard.earnshaw@arm.com>
4259
4260         * arm.md (minmax_arithsi): Reject all eliminable registers, not just
4261         the frame and argument pointers.
4262         (strqi_preinc, strqi_predec, loadqi_preinc, loadqi_predec): Likewise.
4263         (loadqisi_preinc, loadqisi_predec, strsi_preinc): Likewise.
4264         (strsi_predec, loadsi_preinc, loadsi_predec): Likewise.
4265         (strqi_shiftpreinc, strqi_shiftpredec, loadqi_shiftpreinc): Likewise.
4266         (loadqi_shiftpredec, strsi_shiftpreinc, strsi_shiftpredec): Likewise.
4267         (loadsi_shiftpreinc, loadsi_shiftpredec): Likewise.
4268
4269 2005-04-01  Danny Smith  <dannysmith@users.sourceforge.net>
4270
4271         * config/i386/cygming.h (SUBTARGET_ATTRIBUTE_TABLE): Define,
4272         with entry for selectany attribute.
4273         * config/i386/i386-protos.h (ix86_handle_selectany_attribute):
4274         Declare.
4275         * config/i386/winnt.c (ix86_handle_selectany_attribute): Define.
4276         (i386_pe_asm_named_section): Handle sections generated by
4277         selectany attribute.
4278         * doc/extend.texi (selectany): Document attribute.
4279
4280 2005-04-01  Paolo Bonzini  <bonzini@gnu.org>
4281             Jan Hubicka  <jh@suse.cz>
4282
4283         * config/i386/i386.c (ix86_decompose_address): Look inside SUBREGs
4284         to fix addresses involving EBP and ESP.
4285         (aligned_operand, legitimate_address_p, ix86_address_cost): Be prepared
4286         for SUBREGed registers.
4287         (legitimate_address_p): Accept SUBREGed registers.
4288
4289 2005-04-01  Jakub Jelinek  <jakub@redhat.com>
4290
4291         PR c++/19406
4292         * dwarf2out.c (gen_type_die_for_member): Handle FIELD_DECL.
4293         (dwarf2out_imported_module_or_decl): Use gen_type_die_for_member
4294         for FIELD_DECLs.
4295
4296 2005-04-01  Kazu Hirata  <kazu@cs.umass.edu>
4297
4298         * doc/contrib.texi, doc/invoke.texi, doc/tm.texi: Fix typos.
4299
4300 2005-04-01  James E Wilson  <wilson@specifixinc.com>
4301
4302         PR c++/20505
4303         * dwarf2out.c (rtl_for_decl_init): New function.
4304         (rtl_for_decl_location): Extracted from here.
4305         (tree_add_const_value_attribute): Call rtl_for_decl_init and
4306         add_const_value_attribute.  Delete initializer_constant_valid_p call.
4307
4308 2005-04-01  Kazu Hirata  <kazu@cs.umass.edu>
4309
4310         * cgraphunit.c, dbxout.c, flow.c, gcse.c, gimplify.c,
4311         lambda-code.c, loop.c, machmode.def, mips-tfile.c,
4312         modulo-sched.c, passes.c, postreload-gcse.c, tree-eh.c,
4313         tree-ssa-ccp.c, varasm.c, config/frv/frv.c, config/frv/frv.h,
4314         config/frv/frv.md, config/i386/i386.c, config/i386/i386.h,
4315         config/i386/i386.md, config/rs6000/predicates.md,
4316         config/rs6000/rs6000.c, config/s390/fixdfdi.h,
4317         config/s390/s390.c, config/stormy16/stormy16.c,
4318         config/stormy16/stormy16.md, config/vax/vax.md: Fix comment
4319         typos.
4320
4321 2005-04-01  Joseph S. Myers  <joseph@codesourcery.com>
4322
4323         PR c/17855
4324         * gimplify.c (gimplify_expr): Create a temporary for lvalue
4325         COND_EXPR and CALL_EXPR.
4326
4327 2005-03-31  Vladimir Makarov  <vmakarov@redhat.com>
4328
4329         PR target/20632
4330         * genautomata.c (first_cycle_unit_presence): Check all alternative
4331         states for unit presence.
4332
4333         * doc/md.texi: Remove remark about impossibility to query unit
4334         presence in non nondeterministic automaton state.
4335
4336         * config/ia64/ia64.c (get_template): Change order of unit querying.
4337
4338 2005-03-31  Kazu Hirata  <kazu@cs.umass.edu>
4339
4340         * tree-ssa-dom.c (cprop_into_successor_phis): Remove an
4341         obsolete comment.
4342
4343 2005-03-31  Zdenek Dvorak  <dvorakz@suse.cz>
4344
4345         * cfgloopanal.c (mark_loop_exit_edges): Clean EDGE_LOOP_EXIT
4346         flag for edges outside any loops.
4347
4348 2005-03-31  Janis Johnson  <janis187@us.ibm.com>
4349
4350         * doc/sourcebuild.texi (Test Directives): Describe cleanup-* procs.
4351
4352 2005-03-31  Kazu Hirata  <kazu@cs.umass.edu>
4353
4354         * tree-ssa-alias.c: Follow spelling conventions.
4355         * doc/tree-ssa.texi: Fix a typo.
4356
4357 2005-03-31  J"orn Rennecke <joern.rennecke@st.com>
4358
4359         * postreload-gcse.c: Include target.h.
4360         (gcse_after_reload_main): Return early if we cannot modify jumps.
4361         * Makefile.in (postreload-gcse.o): Depend on $(TARGET_H).
4362
4363 2005-03-31  David Edelsohn  <edelsohn@gnu.org>
4364
4365         * tree-ssa-loop-im.c (stmt_cost): Add RDIV_EXPR to list of
4366         expensive operations.
4367
4368 2005-03-31  Ian Lance Taylor  <ian@airs.com>
4369
4370         * collect2.c (lderrout): New variable.
4371         (collect_exit): Dump ldout to stdout.  Dump and unlink lderrout,
4372         if it is set, to stderr.
4373         (handler): Unlink lderrout if it is set.
4374         (dump_file): Add "to" parameter.  Change all callers.
4375         (main): Initialize lderrout.
4376         (collect_execute): Add errname parameter.  Change all callers.
4377         Rename redir parameter to outname.  Never pass
4378         PEX_STDERR_TO_STDOUT to pex_run.
4379         * collect2.h (collect_execute, dump_file): Update declarations.
4380         * tlink.c (tlink_execute): Add errname parameter.  Change all
4381         callers.
4382         (do_tlink): Check lderrout as well as ldout.
4383
4384 2005-03-31  Caroline Tice  <ctice@apple.com>
4385
4386         * Makefile.in (varasm.o): Add basic-block.h to list of requirements.
4387         (bb-reorder.o): Add errors.h to list of requirements.
4388         (STAGEFEEDBACK_FLAGS_TO_PASS): Add -freorder-blocks-and-partition to
4389         profiledbootstrap flags.
4390         * bb-reorder.c (errors.h): Add new include.
4391         (struct bbro_basic_block_data_def): Add new field, in_trace.
4392         (add_unlikely_executed_notes):  Remove function.
4393         (mark_bb_for_unlikely_executed_section): Remove function.
4394         (insert_section_boundary_note): New function.
4395         (verify_hot_cold_block_grouping): New function.
4396         (push_to_next_round_p): Remove variables and tests that push all
4397         cold blocks to last round.
4398         (find_traces): Remove code that added extra round of trace finding
4399         when doing partitioning.
4400         (find_traces_1_round) :  Remove variable last_round;  add code to
4401         update new struct field, in_trace; correct trace_length where it was
4402         incorrect before (after call to copy_bb); change code that pushed all
4403         cold blocks to last round. Instead verify that all blocks going into
4404         a trace belong in the same partition.
4405         (connect_traces): Modify to connect the traces in two passes, if the
4406         function contains both hot and cold blocks.  The first pass connects
4407         all the traces for blocks in the partition that the first block in
4408         the function belongs to; the second pass connnects all the traces
4409         containing blocks that belong in the other partition.
4410         (find_rarely_executed_basic_blocks_and_crossing_edges):  Remove
4411         code that automatically put the first block in a function into the
4412         hot partition if the function had any hot blocks.
4413         (fix_crossing_unconditional_branches): Check number of succ edges
4414         before attempting to get one.
4415         (fix_edges_for_rarely_executed_code):  Update comment describing
4416         function.
4417         (reorder_basic_blocks):  Add code to initialize new field (in_trace);
4418         remove call to add_unlikely_executed_notes; add call to
4419         verify_hot_cold_block_grouping.
4420         (duplicate_computed_gotos): Don't change computed goto if it's a
4421         crossing edge.
4422         (partition_hot_cold_basic_blocks):  Update function comment.
4423         * cfgcleanup.c (try_simplify_condjump): Remove redundacy from
4424         condition.
4425         (try_forward_edges): Likewise.
4426         (merge_blocks_move_predecessor_nojumps): Likewise.
4427         (merge_blocks_move_successor_nojumps): Likewise.
4428         (merge_blocks_move): Likewise.
4429         (try_crossjump_bb): Likewise.
4430         * cfglayout.c (update_unlikely_executed_notes): Remove function.
4431         (fixup_reorder_chain): Remove code for adding UNLIKELY_EXECUTED_CODE
4432         notes to cold bb's; remove call to update_unlikely_executed_notes.
4433         (duplicate_insn_chain):  change NOTE_INSN_UNLIKELY_EXECUTED_CODE to
4434         NOTE_INSN_SWITCH_TEXT_SECTIONS.
4435         * cfglayout.h (scan_ahead_for_unlikely_executed_note): Remove
4436         function declaration.
4437         * cfgrtl.c (can_delete_note_p): Remove UNLIKELY_EXECUTED_CODE note
4438         from consideration.
4439         (rtl_can_merge_blocks): Remove redundancy from condition.
4440         (try_redirect_by_replacing_jump): Likewise.
4441         (force_nonfallthru_and_redirect): Remove code for adding
4442         UNLIKELY_EXECUTED_CODE notes to cold bb's.
4443         (commit_one_edge_insertion): Likewise.
4444         (cfg_layout_can_merge_blocks_p): Remove redundancy from condition.
4445         * dbxout.c (FORCE_TEXT): Replace function_section with
4446         current_function_section.
4447         (struct dbx_debug_h): Add do_nothing function for new debug_hooks
4448         function, switch_text_section.
4449         (struct xcoff_debug): Likewise.
4450         (dbxout_function_end): Add code to put out label diffs for both
4451         hot and cold sections.
4452         * debug.c (struct do_nothing_debug_hooks): Add do_nothing function
4453         for new debug_hooks funciton, switch_text_section..
4454         * debug.h (struct gcc_debug_hooks):  Add new function to debug_hooks,
4455         switch_text_section.
4456         * dwarf2out.c (struct dw_fde_struct):  Add five new fields:
4457         dw_fde_hot_section_label, dw_fde_hot_section_end_label,
4458         dw_fde_unlikely_section_label, dw_fde_unlikely_section_end_label and
4459         dw_fde_switched_sections.
4460         (output_call_frame_info):  Add test to see if function switches text
4461         sections in the middle; if so, use appropriate extra hot and cold
4462         section labels to compute size deltas for the hot and cold sections.
4463         (dwarf2out_begin_prologue): Add code to initialize new fields in
4464         dw_fde_struct.
4465         (dwarf2out_switch_text_section): New function (invoked through
4466         debug_hook); updates new fields in dw_fde_struct appropriately and
4467         increments separate_line_info_table_in_use.
4468         (dwarf2_debug_hooks): Initialize switch_text_section function to be
4469         dwarf2out_switch_text_section.
4470         (struct var_loc_node): Add new field, section_label.
4471         (output_aranges): Add code to check whether in hot or cold section and
4472         use the appropriate label in calculating deltas.
4473         (output_ranges): Likewise.
4474         (output_line_info): Add code to check which section we're in and
4475         use appropriate hot/cold label.
4476         (add_location_or_constant_value_attribute): Likewise.
4477         (gen_subprogam_die): Modify arange attributes to use correct labels.
4478         (dwarf2out_begin_block): Change call to function_section into call to
4479         current_function_section.
4480         (dwarf2out_end_block): Likewise.
4481         (dwarf2out_source_line): Likewise.
4482         (dwarf2out_var_location): Add code to check whether in hot or cold
4483         section and use the appropriate label.
4484         * except.c (output_function_exception_table): Change call to
4485         function_section into call to current_function_section.
4486         * final.c (profile_function): Likewise.
4487         (scan_ahead_for_unlikely_executed_note): Remove function.
4488         (final_scan_insn):  Remove calls to
4489         scan_ahead_for_unlikely_executed_note, and related code for switching
4490         to cold section, except for the single time
4491         NOTE_INSN_SWITCH_TEXT_SECTIONS may be encountered;  add calls to
4492         debug_hooks->switch_text_sections; replace appropriate calls to
4493         function_section with calls to current_function_section.
4494         * ifcvt.c (find_if_case_1): Remove redundancy from condition, add
4495         test_bb to condition.
4496         (find_if_case_2): Likewise.
4497         * insn-notes.def: Change NOTE_INSN_UNLIKELY_EXECUTED_CODE to
4498         NOTE_INSN_SWITCH_TEXT_SECTIONS.  Update comment appropriately.
4499         * opts.c (decode_options): Change warning about hot/cold partitioning
4500         with exceptionss to inform (so as not to cause bootstrap failures);
4501         remove warning about partitioning with DWARF debug info.
4502         * output.h (current_function_section): Add new function decl.
4503         (insert_section_boundary_note): Likewise.
4504         (enum in_section): Move this declaration here from varasm.c.
4505         (unlikely_section_label): Likewise.
4506         (unlikely_text_section_name): Likewise.
4507         (last_text_section_name): New global variable.
4508         (last_text_section): Likewise.
4509         (hot_section_label): Likewise.
4510         (hot_section_end_label): Likewise.
4511         (cold_section_end_label): Likewise.
4512         * passes.c (rest_of_handle_final): Free unlikely_text_section_name.
4513         * print-rtl.c (print_rtx): Change NOTE_INSN_UNLIKELY_EXECUTED_CODE
4514         to NOTE_INSN_SWITCH_TEXT_SECTIONS.
4515         * reg-stack.c (emit_swap_insn): Remove UNLIKELY_EXECUTED_CODE note
4516         insn from consideration.
4517         * sdbout.c (sdb_debug_hooks): Add do_nothing for new function,
4518         switch_text_section.
4519         * varasm.c (basic-block.h): Add new include.
4520         (unlikely_section_label_printed): Remove global variable.
4521         (unlikely_section_label): Make global variable not be static any more.
4522         (unlikely_text_section_name): Likewise.
4523         (hot_section_end_label): New global variable (not static)
4524         (first_function_block_is_cold): Likewise.
4525         (hot_section_label): Likewise.
4526         (cold_section_end_label): Likewise..
4527         (last_text_section): New global variable, not static.
4528         (last_text_section_name): New global variable, not static.
4529         (initialize_cold_section_name): New function.
4530         (enum in_section): Move declaration to output.h.
4531         (text_section): Update last_text_section.
4532         (unlikely_text_section): Replace code to determine cold section name
4533         with call to initialize_cold_section_name; Add code to update
4534         last_text_section; remove code for printing out label.
4535         (named_section_real): Add code to update last_text_section and
4536         last_text_section_name as appropriate.
4537         (function_section): Change test for 'unlikely' to depend on
4538         first_function_block_is_cold (moved old test to
4539         current_function_section).
4540         (current_function_section): New function.
4541         (assemble_start_function): Move code that frees
4542         unlikely_text_section_name; initialize hot_section_end_label;
4543         print hot and cold section labels at the start of the function;
4544         set first_function_block_is_cold, if appropriate; initialize l
4545         ast_text_section; add call to insert_section_boundary_note.
4546         (assemble_end_function):  Add code to write out hot and cold section
4547         end labels.
4548         *vmsdbgout.c (vmsdbg_debug_hooks): Add do_nothing for new function,
4549         switch_text_section.
4550         * config/darwin.c (machopic_select_section): Replace incorrect
4551         function in base_funs; update reloc for cold sections if necessary.
4552         * config/darwin.h (SECTION_FUNCTION):  Add code to update
4553         last_text_section if appropriate.
4554         (text_unlikely_section): Remove.
4555         * config/sparc/sparc.c (sparc_output_deferred_case_vectors): Likewise.
4556         * config/stormy16/stormy16.c (stormy_16_output_addr_vec): Likewise.
4557         * config/xtensa/xtensa.c (override_options): Turn off hot/cold
4558         partitioning for this architecture.
4559
4560 2005-03-31  Olivier Hainque  <hainque@adacore.com>
4561
4562         * dwarf2out.c (dwarf2out_frame_finish): Honor DWARF2_FRAME_INFO
4563         defined and non-zero.
4564
4565 2005-03-31  Gabriel Dos Reis  <gdr@integrable-solutions.net>
4566
4567         PR c++/18644
4568         * doc/invoke.texi (-Wsynth): Don't document, as it now is void of
4569         semantics.
4570
4571 2005-03-31  Alan Modra  <amodra@bigpond.net.au>
4572
4573         PR target/20611
4574         * config/rs6000/rs6000.md (load_toc_v4_PIC_1b): Remove inline
4575         label operand.  Remove (use (unspec..)).  Don't emit a label on
4576         the offset word.
4577         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Don't
4578         generate inline label for load_toc_v4_PIC_1b.
4579         (rs6000_emit_load_toc_table): Likewise.
4580
4581 2005-03-31  Kazu Hirata  <kazu@cs.umass.edu>
4582
4583         * config.gcc: Obsolete i860-*-sysv4*, ip2k-*-elf,
4584         ns32k-*-netbsdelf*, and ns32k-*-netbsd*.
4585
4586 2005-03-29  Devang Patel  <dpatel@apple.com>
4587
4588         * tree-sra.c (decide_block_copy): Disable scalarization of
4589         sub-elements.
4590
4591 2005-03-30  Stuart Hastings  <stuart@apple.com>
4592             Dale Johannesen  <dalej@apple.com>
4593
4594         * Makefile.in (print-tree.o):  Depend on tree-iterator.h.
4595         * print-tree.c (print_node):  Add case STATEMENT_LIST.
4596
4597 2005-03-31  Alan Modra  <amodra@bigpond.net.au>
4598
4599         * config.gcc (cpu_is_64bit): Set for 64-bit powerpc cpus.
4600         (powerpc64-*-linux*): Use it.  Rearrange tm_file assignment.
4601         (powerpc-*-linux*): Build a biarch compiler when --enable-targets
4602         is given with "powerpc64*" or "all", or when --with-cpu chooses
4603         a 64-bit cpu.
4604
4605 2005-03-30  James E. Wilson  <wilson@specifixinc.com>
4606
4607         PR debug/20268
4608         * dwarf2out.c (add_high_low_attributes): New function, extracted from
4609         gen_lexical_block_die.
4610         (gen_lexical_block_die, gen_inlined_subroutine_die): Call it.
4611
4612 2005-03-31  Jan Hubicka  <jh@suse.cz>
4613
4614         2004-11-02  Jan Hubicka  <jh@suse.cz>
4615
4616         * cgraph.c (cgraph_varpool_node_name): New function.
4617         (dump_cgraph_varpool_node): New function.
4618         (dump_varpool): New function.
4619         * cgraphunit.c (cgraph_optimize): Dump varpool.
4620
4621         2004-10-16  Jan Hubicka  <jh@suse.cz>
4622
4623         * cgraph.c (decide_is_variable_needed): New function.
4624         (cgraph_varpool_finalize_decl): Use it.
4625         * cgraphunit.c (cgraph_optimize): Assemble_pending_decls when not doing
4626         unit-at-a-time.
4627         * final.c (output_addr_const): Do not call mark_referenced.
4628         * passes.c (rest_of_decl_compilation): ifdef out DECL_RTL_SET_P hack;
4629         always go via cgraph.
4630         * toplev.c (wrapup_global_declarations): Kill non-unit-at-a-time code.
4631         (check_global_declarations): Ifdef out code clearing DECL_RTL.
4632         * tree-optimize.c (execute_inline): Mark functions called.
4633         * i386.c (output_pic_addr_const): Do not call mark_decl_referenced.
4634
4635         2004-10-11  Jan Hubicka  <jh@suse.cz>
4636
4637         * cgraph.c (cgraph_varpool_first_unanalyzed_node): New global voriable
4638         (cgraph_varpool_last_needed_node): New static variable.
4639         (enqueue_needed_varpool_node): Break out from ...; add items to the
4640         end of queue; update first pointers.
4641         (cgraph_varpool_mark_needed_node): ... here.
4642         (cgraph_varpool_finalize_decl): Use enqueue_needed_varpool_node.
4643         (cgraph_varpool_assemble_pending_decls): Move to cgraphunit.c
4644         * cgraph.h (cgraph_varpool_node): Add analyzed field.
4645         (cgraph_varpool_first_unanalyzed_node): Declare.
4646         * cgraphunit.c: Include output.h.
4647         (cgraph_varpool_analyze_pending_decls): New function.
4648         (cgraph_varpool_assemble_pending_decls): Move from cgraph.c; bail out
4649         for errors, analyze pending decls.
4650         (cgraph_finalize_compilation_unit): Only analyze decls.
4651         (cgraph_optimize): Assemble the decls after expanding.
4652
4653 2005-03-30  Daniel Berlin  <dberlin@dberlin.org>
4654
4655         * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Make sure
4656         subvars get marked properly in tags for grouping.
4657         (add_pointed_to_var): Mark only actual pointed to
4658         variables/subvars in addresses needed.
4659         (create_overlap_variables_for): Clear call clobbered on original
4660         variable.
4661         * tree-ssa-operands.c (get_asm_expr_operands): Don't let regular
4662         addresable vars with subvars into list.
4663         * tree-ssa.c (verify_ssa_name): Verify original is not used where
4664         subvar should be.
4665
4666 2005-03-30  Richard Henderson  <rth@redhat.com>
4667
4668         * cgraph.h (struct cgraph_node): Add alias.
4669         * varasm.c (assemble_alias): Set it.
4670         * cgraphunit.c (cgraph_assemble_pending_functions): Check it and
4671         avoid calling cgraph_expand_function.
4672
4673 2005-03-30  Tom Tromey  <tromey@redhat.com>
4674
4675         * tree.def (FILE_TYPE): Removed.
4676         * typeclass.h (enum type_class): Removed file_type_class.
4677         * dwarf2out.c (is_base_type): Updated.
4678         (gen_type_die): Likewise.
4679         * dbxout.c (dbxout_type): Updated.
4680         * builtins.c (type_to_class): Updated.
4681         * tree.c (type_contains_placeholder_1): Updated.
4682         * config/sparc/sparc.c (sparc_type_code): Updated.
4683         * config/ia64/ia64.c (hfa_element_mode): Updated.
4684         * expr.c (count_type_elements): Updated.
4685         * stor-layout.c (layout_type): Updated.
4686         * tree-inline.c (remap_type): Updated.
4687         * tree-pretty-print.c (dump_generic_node): Updated.
4688
4689 2005-03-30 Fariborz Jahanian <fjahanian@apple.com>
4690
4691         * builtins.c (expand_builtin_powi): Fix mode of
4692         2nd argument to match int.
4693         * libgcc2.h (__powisf2, __powidf2, __powixf2, __powitf2): Change
4694         2nd argument type to int.
4695         * libgcc2.c: Change prototype of __powi* functions to use
4696         int.
4697
4698 2005-03-30  Dale Johannesen  <dalej@apple.com>
4699
4700         PR middle-end/19225
4701         * calls.c (expand_call):  Flush pending deferrals before
4702         throwing call.
4703
4704 2005-03-30  Joseph S. Myers  <joseph@codesourcery.com>
4705
4706         PR c/772
4707         PR c/17913
4708         * c-tree.h (C_DECL_UNJUMPABLE_STMT_EXPR,
4709         C_DECL_UNDEFINABLE_STMT_EXPR, struct c_label_list, struct
4710         c_label_context, label_context_stack): New.
4711         * c-decl.c (define_label): Check for jumps into statement
4712         expressions.  Add label to list of defined labels.
4713         (start_function): Push context on label_context_stack.
4714         (finish_function): Pop context from label_context_stack.
4715         * c-typeck.c (label_context_stack): New.
4716         (c_finish_goto_label): Check for jumps into statement
4717         expressions.  Add label to list of jumped to labels.
4718         (struct c_switch): Add blocked_stmt_expr.
4719         (c_start_case): Initialize it.
4720         (do_case): Check it.
4721         (c_finish_case): Verify !blocked_stmt_expr.
4722         (c_begin_stmt_expr):  Push context on label_context_stack.
4723         Increment blocked_stmt_expr.  Mark labels jumped to from outside
4724         as undefinable.
4725         (c_finish_stmt_expr): December blocked_stmt_expr.  Mark labels
4726         defined in the statement expression and no longer jumpable to.
4727         Mark labels jumped to from just outside the statement expression
4728         as again definable.  Pop context from label_context_stack.
4729         * doc/extend.texi (Statement Exprs): Update.
4730
4731 2005-03-30  Joseph S. Myers  <joseph@codesourcery.com>
4732
4733         PR c/20368
4734         * c-decl.c (start_function): Check for old_decl being
4735         error_mark_node.
4736
4737 2005-03-30  Ian Lance Taylor  <ian@airs.com>
4738
4739         * final.c (final): Remove prescan parameter.  Change all callers.
4740         (final_scan_insn): Remove prescan parameter.  Change all callers.
4741
4742 2005-03-30  Kazu Hirata  <kazu@cs.umass.edu>
4743
4744         * tree-vectorizer.c: Fix comment typos.
4745
4746 2005-03-30  Sebastian Pop  <pop@cri.ensmp.fr>
4747
4748         * tree-scalar-evolution.c (instantiate_parameters_1): Return
4749         as soon as a chrec_dont_know is detected.
4750
4751 2005-03-31  Danny Smith  <dannysmith@users.sourceforge.net>
4752
4753         Merge from csl-arm-branch.
4754         2004-02-12  Mark Mitchell  <mark@codesourcery.com>
4755
4756         * tlink.c (recompile_files): Do not assume that "rename" can
4757         overwrite an existing file.
4758
4759 2005-03-31  Paolo Bonzini  <bonzini@gnu.org>
4760
4761         * gcc/configure.ac (TL_AC_GNU_MAKE_GCC_LIB_PATH): Remove.
4762         * gcc/configure: Regenerate.
4763
4764 2005-03-30  Alan Modra  <amodra@bigpond.net.au>
4765
4766         * doc/install.texi: Update binutils requirement for powerpc*-linux.
4767
4768         * config/rs6000/rs6000.c (rs6000_arg_partial_bytes): Update comments.
4769
4770         * calls.c (struct arg_data): Update "partial" comment.
4771         (load_register_parameters): Update "nregs" comment.
4772
4773 2005-03-30  Richard Sandiford  <rsandifo@redhat.com>
4774
4775         * config/iq2000/iq2000.h (target_flags, MASK_GPOPT, MASK_EMBEDDED_DATA)
4776         (MASK_UNINIT_CONST_IN_RODATA, TARGET_EMBEDDED_DATA, TARGET_SWITCHES)
4777         (TARGET_DEFAULT, TARGET_CPU_DEFAULT, SUBTARGET_TARGET_OPTIONS)
4778         (TARGET_OPTIONS, iq2000_cpu_string, iq2000_arch_string): Delete.
4779         (TARGET_DEBUG_MODE, TARGET_DEBUG_A_MODE, TARGET_DEBUG_B_MODE)
4780         (TARGET_DEBUG_C_MODE, TARGET_DEBUG_D_MODE): Define to 0 rather
4781         than target_flags & 0.
4782         * config/iq2000/iq2000.c (iq2000_cpu_string, iq2000_arch_string)
4783         (iq2000_arch, iq2000_parse_cpu): Delete.
4784         (TARGET_HANDLE_OPTION): Override default.
4785         (iq2000_handle_option): New function.
4786         (override_options): Remove -march= and -mcpu= handling.
4787         * config/iq2000/iq2000.opt: New file.
4788
4789 2005-03-30  Richard Sandiford  <rsandifo@redhat.com>
4790
4791         * config/c4x/c4x-protos.h (c4x_rpts_cycles, c4x_cpu_version): Delete.
4792         * config/c4x/c4x.h (SMALL_MEMORY_FLAG, MPYI_FLAG, FAST_FIX_FLAG)
4793         (RPTS_FLAG, C3X_FLAG, TI_FLAG, PARANOID_FLAG, MEMPARM_FLAG, DEVEL_FLAG)
4794         (RPTB_FLAG, BK_FLAG, DB_FLAG, DEBUG_FLAG, HOIST_FLAG)
4795         (LOOP_UNSIGNED_FLAG, FORCE_FLAG, PRESERVE_FLOAT_FLAG)
4796         (PARALLEL_INSN_FLAG, PARALLEL_MPY_FLAG, ALIASES_FLAG, C30_FLAG)
4797         (C31_FLAG, C32_FLAG, C33_FLAG, C40_FLAG, C44_FLAG, TARGET_SWITCHES)
4798         (TARGET_DEFAULT, TARGET_SMALL, TARGET_MPYI, TARGET_FAST_FIX)
4799         (TARGET_RPTS, TARGET_TI, TARGET_PARANOID, TARGET_MEMPARM, TARGET_DEVEL)
4800         (TARGET_RPTB, TARGET_BK, TARGET_DB, TARGET_DEBUG, TARGET_HOIST)
4801         (TARGET_LOOP_UNSIGNED, TARGET_FORCE, TARGET_PRESERVE_FLOAT)
4802         (TARGET_PARALLEL, TARGET_PARALLEL_MPY, TARGET_ALIASES)
4803         (c4x_rpts_cycles_string, c4x_cpu_version_string)
4804         (TARGET_OPTIONS): Delete.
4805         (c4x_rpts_cycles, c4x_cpu_version): Declare.
4806         (TARGET_C3X, TARGET_C30, TARGET_C31, TARGET_C32, TARGET_C33)
4807         (TARGET_C40, TARGET_C44): Redefine in terms of c4x_cpu_version.
4808         * config/c4x/c4x.c (c4x_rpts_cycles_string): Delete.
4809         (c4x_cpu_version_string): Delete.
4810         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
4811         (c4x_handle_option): New function.  Map -m3x and -m4x options to the
4812         equivalent -mcpu= option.
4813         (c4x_override_options): Remove -mrpts= and -mcpu= handling from here.
4814         Deal with the extra conditions in the old TARGET_MPYI, TARGET_RPTB,
4815         TARGET_DB, TARGET_PARALLEL and TARGET_PARALLEL_MPY macros by setting
4816         or clearing the appropriate MASK_* bit.
4817         (c4x_file_start): Use c4x_cpu_version.
4818         * config/c4x/c4x.opt: New file.
4819
4820 2005-03-30  Richard Sandiford  <rsandifo@redhat.com>
4821
4822         * doc/options.texi: Document the new MaskExists flag.
4823         * opth-gen.awk: Don't output MASK and TARGET macros for Mask(...)
4824         if the option has the MaskExists flag.
4825
4826 2005-03-30  Richard Sandiford  <rsandifo@redhat.com>
4827
4828         * opt-functions.awk (flag_set_p, test_flag): New functions.
4829         (switch_flags): Use them.
4830         * opth-gen.awk: Use flag_set_p to check for flags.
4831         * optc-gen.awk: Likewise.  Use opt_args to check for Init(...) flags.
4832
4833 2005-03-30  Ian Lance Taylor  <ian@airs.com>
4834
4835         * config.host (i[34567]86-*-mingw32*): Don't set
4836         host_can_use_collect2 to no.
4837
4838 2005-03-30  Alan Modra  <amodra@bigpond.net.au>
4839
4840         PR target/20203
4841         * builtins.c (get_memory_rtx): Expand address exp using EXPAND_NORMAL.
4842         Remove convert_memory_address call duplicating that in memory_address.
4843
4844 2005-03-29  Richard Henderson  <rth@redhat.com>
4845
4846         PR c/20519
4847         * c-decl.c (c_finish_incomplete_decl): Update complete_array_type call.
4848         (build_compound_literal): Likewise.  Propagate decl type into the
4849         initializer.
4850         (finish_decl): Likewise.  Use new return value from complete_array_type
4851         for zero sized arrays.
4852         (complete_array_type): Move ...
4853         * c-common.c (complete_array_type): ... here.  Change first argument
4854         to pointer-to-type-node.  Consistently use sizetype for the index
4855         except for zero sized arrays.  Detect zero sized arrays for pedantic
4856         mode diagnostics.  Create a new type node instead of modifying the
4857         old node in place.
4858         * c-tree.h (complete_array_type): Move decl ...
4859         * c-common.h (complete_array_type): ... here.
4860
4861 2005-03-29  Richard Henderson  <rth@redhat.com>
4862
4863         PR tree-opt/19108
4864         * tree-sra.c (generate_element_init_1): Handle RANGE_EXPR.
4865
4866 2005-03-29  Kazu Hirata  <kazu@cs.umass.edu>
4867
4868         * builtin-types.def, c-convert.c, c-format.c, ddg.c, debug.c,
4869         debug.h, et-forest.c, et-forest.h, gcov.c, rtl-profile.c,
4870         rtlhooks-def.h, rtlhooks.c, sdbout.c, tree-inline.h,
4871         tree-profile.c, tsystem.h, value-prof.h: Update copyright.
4872
4873 2005-03-29  Eric Christopher  <echristo@redhat.com>
4874
4875         * config/mips/mips.c (mips_gimplify_va_arg_expr): Update for
4876         truthvalue conversion removal.
4877
4878 2005-03-29  Ian Lance Taylor  <ian@airs.com>
4879
4880         PR bootstrap/14316
4881         * collect2.c: Never include <vfork.h>.
4882         (VFORK_STRING, vfork): Don't define.
4883         (pid): Remove global variable.
4884         (handler): Call raise instead of kill (getpid(), ...).
4885         (collect_wait): Add pex parameter.  Change all callers.  Use
4886         pex_get_status rather than pwait.
4887         (do_wait): Add pex parameter.  Change all callers.
4888         (collect_execute): Return struct pex_obj * rather than void.  Use
4889         pex routines rather than pexecute.
4890         (fork_execute): Get pex_obj from collect_execute, and pass it to
4891         do_wait.
4892         (scan_prog_file): Use pex routines rather than pipe/vfork/exec.
4893         Only declare quit_handler if SIGQUIT is defined.
4894         (scan_libraries): Likewise.
4895         * collect2.h (collect_execute): Update declaration.
4896         (collect_wait): Update declaration.
4897         * tlink.c (tlink_execute): Get pex_obj from collect_execute, and
4898         pass it to collect_wait.
4899
4900 2005-03-29  Joseph S. Myers  <joseph@codesourcery.com>
4901
4902         PR c/20672
4903         * c-parser.c (c_parser_compound_statement_nostart): Give error
4904         message for EOF instead of just setting parser->error.
4905
4906 2005-03-29  Dorit Naishlos  <dorit@il.ibm.com>
4907
4908         * tree-vectorizer.c (slpeel_update_phi_nodes_for_guard): Removed.
4909         (slpeel_update_phi_nodes_for_guard1): New function.
4910         (slpeel_update_phi_nodes_for_guard2): New function.
4911         (slpeel_tree_peel_loop_to_edge): Call above new functions instead
4912         of slpeel_update_phi_nodes_for_guard.
4913         (vectorize_loops): Remove call to loop_closed_rewrite.
4914         * tree-vect-transform.c (vect_update_ivs_after_vectorizer): Remove
4915         assertion.
4916
4917 2005-03-29  Richard Sandiford  <rsandifo@redhat.com>
4918
4919         * config/m32r/little.h (TARGET_ENDIAN_DEFAULT): Delete.
4920         (TARGET_LITTLE_ENDIAN): New macro.
4921         * config/m32r/m32r.h (SUBTARGET_SWITCHES, target_flags)
4922         (TARGET_RELAX_MASK, TARGET_DEBUG_MASK, TARGET_DEBUG)
4923         (TARGET_ALIGN_LOOPS_MASK, TARGET_ALIGN_LOOPS)
4924         (TARGET_LOW_ISSUE_RATE_MASK, TARGET_LOW_ISSUE_RATE)
4925         (TARGET_BRANCH_COST_MASK, TARGET_BRANCH_COST, TARGET_M32RX_MASK)
4926         (TARGET_M32RX, TARGET_M32R2_MASK, TARGET_M32R2, LITTLE_ENDIAN_BIT)
4927         (TARGET_ENDIAN_DEFAULT, SUBTARGET_SWITCHES, TARGET_DEFAULT)
4928         (TARGET_SWITCHES, m32r_model_string, m32r_sdata_string)
4929         (m32r_cache_flush_trap_string, SUBTARGET_OPTIONS)
4930         (TARGET_OPTIONS): Delete.
4931         (M32R_MODEL_DEFAULT, M32R_SDATA_DEFAULT): Turn into enums.
4932         (CACHE_FLUSH_TRAP): Turn into an integer.
4933         (TARGET_LITTLE_ENDIAN): Define to 0 by default.
4934         (INITIALIZE_TRAMPOLINE): Check m32r_cache_trap >= 0 to see if
4935         -mflush-trap is in use.
4936         * config/m32r/m32r.c (m32r_model_string, m32r_sdata_string)
4937         (m32r_cache_flush_trap_string): Delete.
4938         (m32r_model) Initialize to M32R_MODEL_DEFAULT.
4939         (m32r_sdata): Likewise M32R_SDATA_DEFAULT.
4940         (m32r_cache_trap): Likewise CACHE_FLUSH_TRAP.
4941         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
4942         (m32r_handle_option): New function.  Move -mflush-trap=, -mflush-func=,
4943         -mmodel= and -msdata= handling from...
4944         (m32r_init): ...here.
4945         * config/m32r/m32r.opt: New file.
4946
4947 2005-03-29  Keith Besaw  <kbesaw@us.ibm.com>
4948
4949         * tree-ssanames.c (duplicate_ssa_name_ptr_info): New function.
4950         (duplicate_ssa_name): Call duplicate_ssa_name_ptr_info.
4951         * tree-vect-analyze.c (vect_object_analysis): additional parm
4952         pass back a "struct ptr_info_def *" with the points-to info.
4953         (vect_analyze_data_refs): set the STMT_VINFO_PTR_INFO for the
4954         statement using info returned from vect_object_analysis.
4955         * tree-vect-transform.c (update_vuses_to_preheader): New function.
4956         (vect_create_data_ref_ptr): Remove updates to vars_to_rename
4957         for virtual uses and defs when creating a replacement vector
4958         reference.  Call duplicate_ssa_name_ptr_info to define points-to
4959         info for vector pointer replacement using STMT_VINFO_PTR_INFO.
4960         (vectorizable_store): copy_virtual_operands and update
4961         definition statements.
4962         (vectorizable_load): copy_virtual_operands.  Remove call to
4963         mark_call_clobbered_vars_to_rename for call to "const" builtin.
4964         * tree-vectorizer.c (vectorize_loops): Remove calls to
4965         rewrite_into_ssa and bitmap_clear (vars_to_rename).
4966         (new_stmt_vec_info): initialize STMT_VINFO_PTR_INFO for stmt.
4967         * tree-vectorizer.h (_stmt_vec_info): add field ptr_info and
4968         define macro STMT_VINFO_PTR_INFO for use in accessing.
4969         * tree.h add export of duplicate_ssa_name_ptr_info.
4970         * rs6000.c (altivec_init_builtins): Declare builtin function
4971         __builtin_altivec_mask_for_load to be "const".
4972
4973 2005-03-29  Jakub Jelinek  <jakub@redhat.com>
4974
4975         PR middle-end/20622
4976         * cgraph.h (struct cgraph_varpool_node): Add alias field.
4977         * cgraph.c (cgraph_varpool_assemble_pending_decls): Don't call
4978         assemble_variable on aliases.
4979         * varasm.c (assemble_alias): Set node->alias.
4980         * toplev.c (wrapup_global_declarations): Don't call
4981         rest_of_decl_compilation on aliases again.
4982
4983 2005-03-29  Paul Brook  <paul@codesourcery.com>
4984
4985         * config/arm/arm-protos.h (arm_dbx_register_number): Add prototype.
4986         * config/arm/arm.c (arm_dbx_register_number): New function.
4987         * config/arm/arm.h (IS_FPA_REGNUM, DBX_REGISTER_NUMBER): Define.
4988
4989 2005-03-29  Eric Botcazou  <ebotcazou@libertysurf.fr>
4990
4991         PR middle-end/20263
4992         * varasm.c (make_decl_rtl) [ASM_DECLARE_REGISTER_GLOBAL]: Use
4993         the DECL_NAME, not the DECL_ASSEMBLER_NAME.
4994
4995 2005-03-29  Dale Johannesen <dalej@apple.com>
4996
4997         * Makefile.in (value-prof.o): New dependencies on $(DIAGNOSTIC_H)
4998         $(TREE_H) and $(COVERAGE_H).
4999         * coverage.c (compute_checksum): Use DECL_NAME not DECL_ASSEMBLER_NAME.
5000         * opts.c (common_handle_option): Enable tree-based value transforms.
5001         * toplev.c (process_options): Ditto.
5002         * value-prof.h (struct histogram_value_t): Redefine. "Adjust" below
5003         refers to references to this type.
5004         * tree-flow.h: (struct stmt_ann_d): Add histograms field.
5005         * rtl-profile.c (rtl_gen_interval_profiler): Adjust. Remove checks
5006         for may_be_more, may_be_less.
5007         (rtl_gen_pow2_profiler): Adjust.
5008         (rtl_gen_one_value_profiler_no_edge_manip): Adjust.
5009         (rtl_gen_one_value_profiler): Adjust.
5010         (rtl_gen_const_delta_profiler): Adjust.
5011         * tree-profile.c (tree_gen_interval_profiler): Implement.
5012         (tree_gen_pow2_profiler): Ditto.
5013         (tree_gen_one_value_profiler): Ditto.
5014         (tree_profiling): New.
5015         (pass_tree_profile): Reference it.
5016         * value-prof.c: Include tree-flow.h, tree-flow-inline.h, diagnostic.h,
5017         tree.h, gcov-io.h.
5018         (insn_divmod_values_to_profile): Rename to
5019         rtl_divmod_values_to_profile. Adjust.
5020         (insn_values_to_profile): Rename to rtl_values_to_profile. Adjust.
5021         (insn_prefetch_values_to_profile): Adjust.
5022         (rtl_value_profile_transformations): Adjust.
5023         (gen_divmod_fixed_value): Rename to rtl_divmod_fixed_value.
5024         (gen_mod_pow2): Rename to rtl_mod_pow2.
5025         (gen_mod_subtract): Rename to rtl_mod_subtract.
5026         (divmod_fixed_value_transform): Rename to
5027         rtl_divmod_fixed_value_transform.
5028         (mod_pow2_value_transform): Rename to rtl_mod_pow2_value_transform.
5029         (mod_subtract_transform): Rename to rtl_mod_subtract_transform.
5030         (rtl_find_values_to_profile): Adjust.
5031         (tree_value_profile_transformations): Implement.
5032         (tree_divmod_values_to_profile): New.
5033         (tree_values_to_profile): New.
5034         (tree_divmod_fixed_value): New.
5035         (tree_mod_pow2): New.
5036         (tree_mod_subtract): New.
5037         (tree_divmod_fixed_value_transform): New.
5038         (tree_mod_pow2_value_transform): New.
5039         (tree_mod_subtract_transform): New.
5040         (tree_find_values_to_profile): Implement.
5041         * profile.c (instrument_values):  Free histograms.
5042         (compute_value_histograms): Adjust. Implement tree version.
5043
5044 2005-03-29  Uros Bizjak  <uros@kss-loka.si>
5045
5046         * reg-stack.c (subst_stack_regs_pat): Handle <UNSPEC_FIST> case.
5047         * config/i386/i386.c (output_fix_trunc): Add new round_mode
5048         variable.  Output "fldcw" depending on round_mode.
5049         * config/i386/i386.md (UNSPEC_FIST): New.
5050         (fistdi2, fistdi2_with_temp, fist<mode>2, fist<mode>2_with_temp):
5051         New isns patterns to implement lrint and llrint built-ins as x87
5052         intrinsic function.
5053         (fistdi2, fist<mode>2 splitters): New splitters.
5054         (lrint<mode>2): New expanders.
5055
5056 2005-03-28  Ian Lance Taylor  <ian@airs.com>
5057
5058         * config/arc/arc.c (arc_output_function_epilogue): Pass prescan as
5059         0 when calling final_scan_insn.
5060
5061 2005-03-28  Jan Hubicka  <jh@suse.cz>
5062
5063         PR middle-end/20635
5064         * varasm.c (mark_decl_referenced): Do not mark extern inline functions
5065         as needed.
5066
5067         * tree-inline.c (estimate_num_insns_1): Use declaration to discover argument
5068         types where possible.
5069
5070 2005-03-26  Per Bothner  <per@bothner.com>
5071
5072         Make -f[no-]show-column also control non-cpp diagnostics.
5073         * c.opt (fshow-column): Move option from here ...
5074         * common.opt (fshow-column): ... to here.
5075         * diagnostic.c (diagnostic_build_prefix): Only print column number
5076         if flag_show_column.
5077
5078 2005-03-27  Steven Bosscher  <stevenb@suse.de>
5079
5080         * vax-protos.h (vax_output_int_move, vax_output_int_add,
5081         vax_output_conditional_branch): New prototypes.
5082         * vax.c (vax_output_int_move, vax_output_int_add): New functions,
5083         extracted from vax.md mov and add patterns.
5084         (vax_output_conditional_branch): New function to output conditional
5085         branch instructions.
5086         * vax.md: Use mode macros for arithmetic and mov patterns.
5087         Use code macros for the jump patterns.
5088
5089 2005-03-26  Andrew Pinski  <pinskia@physics.uc.edu>
5090
5091         * Makefile.in (libbackend.o): Depend on version files;
5092         add custom generation command.
5093
5094 2005-03-26  Andrew Pinski  <pinskia@physics.uc.edu>
5095
5096         PR target/20636
5097         * config/rs6000/rs6000.md (extendsfdf2_fpr): Check to make
5098         sure that we have a REG before getting its REGNO.
5099
5100 2005-03-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
5101
5102         * builtin-types.def (BT_FN_STRING_CONST_STRING_SIZE): New.
5103         * builtins.def (BUILT_IN_STRNDUP): New.
5104
5105 2005-03-25  Pat Haugen  <pthaugen@us.ibm.com>
5106
5107         PR tree-optimization/20470
5108         * fold-const.c (fold_cond_expr_with_comparison): Recognize/fold
5109         ABS(x-y).
5110
5111 2005-03-25  Mike Stump  <mrs@apple.com>
5112
5113         * config/darwin.h (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Don't allow 0
5114         sized objects.
5115
5116 2005-03-25  Geoffrey Keating  <geoffk@apple.com>
5117
5118         * config/rs6000/darwin-fallback.c: Don't include <ucontext.h>.
5119         Use our own structure definitions.
5120
5121         * config/rs6000/rs6000.md (UNSPEC constants): Add UNSPEC_STFIWX.
5122         (fix_truncdfsi2): Allow registers or memory as destination.
5123         When TARGET_PPC_GFXOPT, generate simplified pattern.
5124         (fix_truncdfsi2_internal): Use define_insn_and_split.
5125         (fix_truncdfsi2_internal_gfxopt): New.
5126         (fctiwz): Don't confuse register allocation by giving it no choices.
5127         (stfiwx): New.
5128         * config/rs6000/rs6000.h (EXTRA_CONSTRAINT): Add 'Z'.
5129         (EXTRA_MEMORY_CONSTRAINT): Likewise.
5130         * config/rs6000/rs6000.c (indexed_or_indirect_operand): New.
5131         * config/rs6000/rs6000-protos.h (indexed_or_indirect_operand): New.
5132
5133 2005-03-25  Kazu Hirata  <kazu@cs.umass.edu>
5134
5135         * dominance.c (free_dominance_info): Speed up by freeing et
5136         data structures without maintaining other nodes.
5137         * et-forest.c (et_free_tree_force): New.
5138         * et-forest.h: Add a prototype for et_free_tree_force.
5139
5140         * tree.c (get_set_constructor_bits,
5141         get_set_constructor_bytes): Remove.
5142         * tree.h: Remove the corresponding prototypes.
5143
5144 2005-03-25  John David Anglin  <dave.anglin@nrc-crnc.gc.ca>
5145
5146         PR target/15491
5147         * vax.c (vax_rtx_costs_1): Merge with vax_rtx_costs.
5148         (vax_rtx_costs): Return false when passed unsupported rtx's.  Handle
5149         FLOAT_EXTEND, FLOAT_TRUNCATE and TRUNCATE.  Fix costs for POST_INC,
5150         PRE_DEC, NEG and NOT.
5151
5152 2005-03-25  Kazu Hirata  <kazu@cs.umass.edu>
5153
5154         * fold-const.c: Convert uses of fold (build (...)) to
5155         fold_buildN.
5156
5157 2005-03-25  Zdenek Dvorak  <dvorakz@suse.cz>
5158
5159         PR rtl-optimization/20249
5160         * cse.c (insert_regs): Do not record equivalence of registers in
5161         different modes.
5162
5163 2005-03-24  Kazu Hirata  <kazu@cs.umass.edu>
5164
5165         * emit-rtl.c (reverse_comparison): Remove.
5166         * rtl.h: Remove the corresponding prototype.
5167
5168 2005-03-24  James E Wilson  <wilson@specifixinc.com>
5169
5170         * doc/install.texi (--enable-altivec): Delete docs.
5171
5172 2005-03-24  David Edelsohn  <edelsohn@gnu.org>
5173
5174         * config/rs6000/predicates.md (easy_fp_constant): Return 0 for
5175         SFmode and DFmode before reload when
5176         flag_unsafe_math_optimizations not enabled.
5177
5178 2005-03-24  Geoffrey Keating  <geoffk@apple.com>
5179
5180         * c.opt (fvisibility-inlines-hidden): Allow for ObjC++.
5181
5182         * config/i386/darwin.h (TARGET_SUBTARGET_DEFAULT): Add
5183         MASK_128BIT_LONG_DOUBLE, MASK_ALIGN_DOUBLE.
5184
5185 2005-03-24  Nathan Sidwell  <nathan@codesourcery.com>
5186
5187         * configure.ac (enable-checking): Add 'runtime' option.
5188         * doc/install.texi (enable-checking): Document 'runtime' checking.
5189         * tsystem.h (gcc_assert, gcc_unreachable): Define.
5190         * config.in: Regenerated.
5191         * configure: Regenerated.
5192
5193 2005-03-23  Uros Bizjak  <uros@kss-loka.si>
5194
5195         * optabs.h (enum optab_index): Remove OTI_llrint.
5196         (llrint_optab): Remove macro.
5197         * optabs.c (init_optabs): Remove llrint_optab initialization.
5198         * genopinit.c (optabs): Remove llrint_optab implementation.
5199         * builtins.c (expand_builtin_mathfn): Handle BUILT_IN_LLRINT{,F,L}
5200         using lrint_optab.
5201
5202 2005-03-24  Alexandre Oliva  <aoliva@redhat.com>
5203
5204         PR rtl-optimization/20532
5205         * simplify-rtx.c (simplify_binary_operation_1): Protect from
5206         overflow when adding coefficients for PLUS or MINUS.
5207         (simplify_binary_operation_1): Handle CONST_DOUBLE exact power of
5208         two as multiplier.
5209
5210 2005-03-23  Joseph S. Myers  <joseph@codesourcery.com>
5211
5212         * langhooks.h (truthvalue_conversion): Remove.
5213         * langhooks-def.h (LANG_HOOKS_INITIALIZER): Remove
5214         LANG_HOOKS_TRUTHVALUE_CONVERSION.
5215         * system.h (LANG_HOOKS_TRUTHVALUE_CONVERSION): Poison.
5216         * gimplify.c (gimple_boolify): Don't use truthvalue_conversion.
5217         * c-objc-common.h (LANG_HOOKS_TRUTHVALUE_CONVERSION): Remove.
5218
5219 2005-03-23  Kazu Hirata  <kazu@cs.umass.edu>
5220
5221         * params.def: Fix a typo.
5222         * config/mips/mips.c: Follow the spelling convensions.
5223         * doc/invoke.texi: Fix typos.
5224
5225 2005-03-23  Daniel Berlin  <dberlin@dberlin.org>
5226
5227         Fix PR tree-optimization/20601
5228
5229         * tree-ssa-pre.c (insert_aux): Add missing condition to
5230         constification.
5231
5232 2005-03-23  Ian Lance Taylor  <ian@airs.com>
5233
5234         * final.c (final_scan_insn): Don't remove no-op instructions.
5235         * reload1.c (reload): Remove simple no-op instructions even when
5236         not optimizing.
5237
5238 2005-03-23  Dorit Naishlos  <dorit@il.ib.com>
5239
5240         PR tree-optimization/20501
5241         * tree-vect-analyze.c (vect_enhance_data_refs_alignment): Debug print
5242         reporting that peeling for alignment is applied moved to...
5243         * (vect_analyze_data_refs_alignment): Here.
5244
5245 2005-03-23  Ian Lance Taylor  <ian@airs.com>
5246
5247         * reorg.c (dbr_schedule): Remove #if 0 code to call final.
5248
5249 2005-03-23  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
5250
5251         * config.gcc (alpha*-dec-osf[45]*): Remove target_cpu_default.
5252         Define TARGET_SUPPORT_ARCH except on Tru64 UNIX V4.0A.
5253
5254 2005-03-23  Hans-Peter Nilsson  <hp@axis.com>
5255
5256         * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Adjust wording to not
5257         imply that this is called once, independent of asms in code.
5258         Adjust to now being pased output and input lists.  Mention helper
5259         function decl_overlaps_hard_reg_set_p.
5260         * hooks.c (hook_tree_tree_tree_tree_3rd_identity): Rename from
5261         hook_tree_tree_identity and to take three trees, returning third.
5262         * hooks.h (hook_tree_tree_tree_tree_3rd_identity): Adjust the
5263         prototype.
5264         * stmt.c: include hard-reg-set.h before tree.h.
5265         (decl_overlaps_hard_reg_set_p): New function, broken out from...
5266         (decl_conflicts_with_clobbers_p): Call
5267         decl_overlaps_hard_reg_set_p.
5268         (expand_asm_operands): Pass output and input lists in call to
5269         targetm.md_asm_clobbers.
5270         * target-def.h (TARGET_MD_ASM_CLOBBERS): Define as
5271         hook_tree_tree_tree_tree_3rd_identity.
5272         * target.h (struct gcc_target.md_asm_clobbers): Take three tree
5273         parameters.
5274         * tree.h [HARD_CONST] (decl_overlaps_hard_reg_set_p): Prototype.
5275         * config/i386/i386.c (ix86_md_asm_clobbers): Adjust to three
5276         parameters, first two unused.
5277         * config/cris/cris.c (cris_md_asm_clobbers): Adjust to added
5278         parameters.  Only add MOF to clobbers if there's no 'h' mentioned
5279         in constraint letters and MOF is not mentioned as a asm-declared
5280         register in neither of the input and output lists.
5281
5282 2005-03-23  DJ Delorie  <dj@redhat.com>
5283
5284         * optabs.c (expand_binop): Make sure the first subword's result
5285         gets stored.
5286
5287 2005-03-23  Joseph S. Myers  <joseph@codesourcery.com>
5288
5289         * c-common.c (c_common_truthvalue_conversion): Adjust comment.
5290         Call c_common_truthvalue_conversion rather than
5291         lang_hooks.truthvalue_conversion.
5292         * c-convert.c (convert): Call c_objc_common_truthvalue_conversion.
5293         * c-objc-common.c (c_objc_common_truthvalue_conversion): Move to
5294         c-typeck.c.
5295         * c-objc-common.h (LANG_HOOKS_TRUTHVALUE_CONVERSION): Change to
5296         c_common_truthvalue_conversion.
5297         * c-parser.c (c_parser_paren_condition, c_parser_for_statement,
5298         c_parser_conditional_expression, c_parser_binary_expression): Call
5299         c_objc_common_truthvalue_conversion.
5300         * c-typeck.c (build_unary_op): Call
5301         c_objc_common_truthvalue_conversion.
5302         (build_conditional_expr): Do not call
5303         lang_hooks.truthvalue_conversion.
5304         (build_binary_op): Call c_common_truthvalue_conversion.
5305         (c_objc_common_truthvalue_conversion): Moved from
5306         c-objc-common.c.  Call default_function_array_conversion instead
5307         of default_conversion.
5308
5309 2005-03-23  Joseph S. Myers  <joseph@codesourcery.com>
5310
5311         * c-common.h (default_conversion): Remove.
5312         (perform_integral_promotions): Add.
5313         * c-tree.h (default_conversion): Add.
5314         * c-typeck.c (perform_integral_promotions): New, split out from
5315         default_conversion.
5316         * c-common.c (check_case_value): Use perform_integral_promotions,
5317         not default_conversion.
5318         (c_add_case_label): Don't continue processing case label after
5319         found to be pointer.
5320
5321 2005-03-23  Mark Mitchell  <mark@codesourcery.com>
5322
5323         * gcc.c (do_spec_1): Do not add a -L path for a directory in
5324         the prefix list if we have already added a multilib directory
5325         based on that path.
5326         (main): Do not add MD_EXEC_PREFIX to the list of directories to
5327         search with -L.
5328
5329 2005-03-22  Kazu Hirata  <kazu@cs.umass.edu>
5330
5331         * reload1.c (indirect_symref_ok, reload_obstack): Make them
5332         static.
5333         * reload.h: Remove the prototype for indirect_symref_ok.
5334
5335         * reload1.c (indirect_symref_ok): Make it global.
5336         * reload.h: Add a prototype for indirect_symref_ok.
5337
5338 2005-03-22  Kaz Kojima  <kkojima@gcc.gnu.org>
5339
5340         * config/sh/sh.md (ashlhi3): Rename to *ashlhi3_n and add a new
5341         ashlhi3 expander.
5342
5343 2005-03-22  Tobias Schl"uter  <tobias.schlueter@physik.uni-muenchen.de>
5344
5345         * tree.h (DECL_IGNORED_P, DECL_IN_SYSTEM_HEADER): Clarify comments.
5346
5347 2005-03-22  Daniel Berlin  <dberlin@dberlin.org>
5348
5349         * c-opts.c (c_common_parse_file): Only start/end main source file
5350         if debug hooks says the writer wants it.
5351         * dbxout.c (dbx_debug_hooks): Add start_end_main_source_file
5352         member.
5353         (xcoff_debug_hooks): Ditto.
5354         * debug.c (do_nothing_hooks): Ditto.
5355         * debug.h (gcc_debug_hooks): Ditto.
5356         * dwarf2out.c (dwarf2_debug_hooks): Ditto.
5357         * sdbout.c (sdb_debug_hooks): Ditto.
5358         * vmsdbgout.c (vmsdbg_debug_hooks): Ditto.
5359
5360 2005-03-22  Mark Mitchell  <mark@codesourcery.com>
5361
5362         * doc/extend.texi: Deprecate C++ min/max operators.
5363
5364 2005-03-22  Zdenek Dvorak  <dvorakz@suse.cz>
5365
5366         * tree-ssa-loop-ivopts.c (determine_iv_cost): Do not try to preserve
5367         artificial original candidates.
5368
5369 2005-03-22  Richard Guenther <rguenth@tat.physik.uni-tuebingen.de>
5370             Jan Hubicka  <jh@suse.cz>
5371             Steven Bosscher <stevenb@suse.de>
5372
5373         * cgraphunit.c (cgraph_estimate_size_after_inlining): Compute
5374         call cost based on argument sizes.
5375         (cgraph_mark_inline_edge): Avoid inline unit from shrinking by
5376         inlining.
5377         * params.def: (max-inline-inssn-single): Set to 450.
5378         (max-inline-insns-auto): Set to 90.
5379         (max-inline-insns-recursive): Set to 450
5380         (max-inline-insns-recursive-auto): Set to 450.
5381         (large-function-insns): Set to 2700.
5382         (inline-call-cost): New parameter.
5383         * tree-inline.c (estimate_move_cost): New function.
5384         (estimate_num_insns_1): Compute move sizes costs by estimate_move_cost
5385         for non-gimple-regs, set cost to 0 for gimple-regs.  Compute call size
5386         based on arguments.
5387         * tree-inline.h (estimate_move_cost): Declare.
5388         * invoke.texi: (max-inline-inssn-single): Change default to 450.
5389         (max-inline-insns-auto): Change default to 90.
5390         (max-inline-insns-recursive): Change default to 450
5391         (max-inline-insns-recursive-auto): Change default to 450.
5392         (large-function-insns): Change default to 2700.
5393         (inline-call-cost): Document new parameter.
5394
5395 2005-03-22  Richard Sandiford  <rsandifo@redhat.com>
5396
5397         * config/i860/i860.h (target_flags, TARGET_XP, TARGET_SWITCHES)
5398         (TARGET_DEFAULT): Delete.
5399         * config/i860/i860.opt: New file.
5400
5401 2005-03-22  Richard Sandiford  <rsandifo@redhat.com>
5402
5403         * config/frv/frv-protos.h (frv_branch_cost_string, frv_branch_cost_int)
5404         (frv_cpu_string, frv_condexec_insns_str, frv_condexec_insns)
5405         (frv_condexec_temps_str, frv_condexec_temps, frv_sched_lookahead_str)
5406         (frv_sched_lookahead): Delete.
5407         * config/frv/frv.h (MASK_DEFAULT_ALLOC_CC): Move to frv.c.
5408         (target_flags, MASK_GPR_32, MASK_FPR_32, MASK_SOFT_FLOAT)
5409         (MASK_ALLOC_CC, MASK_DWORD, MASK_DOUBLE, MASK_MEDIA, MASK_MULADD)
5410         (MASK_LIBPIC, MASK_ACC_4,  MASK_PACK, MASK_LONG_CALLS)
5411         (MASK_ALIGN_LABELS, MASK_LINKED_FP, MASK_BIG_TLS, MASK_DEBUG_ARG)
5412         (MASK_DEBUG_ADDR, MASK_DEBUG_STACK, MASK_DEBUG, MASK_DEBUG_LOC)
5413         (MASK_DEBUG_COND_EXEC, MASK_NO_COND_MOVE, MASK_NO_SCC)
5414         (MASK_NO_COND_EXEC, MASK_NO_VLIW_BRANCH, MASK_NO_MULTI_CE)
5415         (MASK_FDPIC, MASK_INLINE_PLT, MASK_GPREL_RO, MASK_DEFAULT)
5416         (TARGET_GPR_32, TARGET_FPR_32, TARGET_SOFT_FLOAT, TARGET_ALLOC_CC)
5417         (TARGET_DWORD, TARGET_DOUBLE, TARGET_MEDIA, TARGET_MULADD)
5418         (TARGET_LIBPIC, TARGET_ACC_4, TARGET_DEBUG_ARG, TARGET_DEBUG_ADDR)
5419         (TARGET_DEBUG_STACK, TARGET_DEBUG, TARGET_DEBUG_LOC)
5420         (TARGET_DEBUG_COND_EXEC, TARGET_NO_COND_MOVE, TARGET_NO_SCC)
5421         (TARGET_NO_COND_EXEC, TARGET_NO_VLIW_BRANCH, TARGET_NO_MULTI_CE)
5422         (TARGET_NO_NESTED_CE, TARGET_FDPIC, TARGET_INLINE_PLT, TARGET_BIG_TLS)
5423         (TARGET_GPREL_RO, TARGET_PACK, TARGET_LONG_CALLS, TARGET_ALIGN_LABELS)
5424         (TARGET_LINKED_FP, TARGET_GPR_64, TARGET_FPR_64, TARGET_HARD_FLOAT)
5425         (TARGET_FIXED_CC, TARGET_COND_MOVE, TARGET_SCC, TARGET_COND_EXEC)
5426         (TARGET_VLIW_BRANCH, TARGET_MULTI_CE, TARGET_NESTED_CE, TARGET_ACC_8)
5427         (TARGET_SWITCHES, TARGET_OPTIONS, DEFAULT_CONDEXEC_TEMPS)
5428         (DEFAULT_BRANCH_COST, DEFAULT_CONDEXEC_INSNS): Delete.
5429         * config/frv/frv.c (frv_branch_cost_string, frv_branch_cost_int)
5430         (frv_cpu_string, frv_condexec_insns_str, frv_condexec_insns)
5431         (frv_condexec_temps_str, frv_condexec_temps, frv_sched_lookahead_str)
5432         (frv_sched_lookahead): Delete.
5433         (MASK_DEFAULT_ALLOC_CC): Moved from frv.h.
5434         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
5435         (frv_handle_option): New function.  Move -mcpu= handling from...
5436         (frv_override_options): ...here.  Remove handling of other
5437         TARGET_OPTIONS.
5438         (frv_ifcvt_modify_tests): Check !TARGET_COND_EXEC instead of
5439         TARGET_NO_COND_EXEC and !TARGET_NESTED_CE to TARGET_NO_NESTED_CE.
5440         (frv_ifcvt_modify_multiple_tests): Likewise !TARGET_MULTI_CE
5441         and TARGET_NO_MULTI_CE.
5442         (frv_for_each_packet): Likewise TARGET_NO_VLIW_BRANCH and
5443         !TARGET_VLIW_BRANCH.
5444         * config/frv/frv.opt: New file.
5445
5446 2005-03-22  Kazu Hirata  <kazu@cs.umass.edu>
5447
5448         * fold-const.c (fold_ternary): Take decomposed arguments of
5449         CALL_EXPR.
5450         (fold): Update a call to fold_ternary.
5451
5452         * fold-const.c (fold_build1, fold_build2, fold_build3): New.
5453         * tree.h: Add corresponding prototypes.
5454
5455 2005-03-22  Jakub Jelinek  <jakub@redhat.com>
5456
5457         PR target/20561
5458         * cfglayout.c (reemit_insn_block_notes): Don't put block notes in
5459         between jump table and its label.
5460         * final.c (shorten_branches): Handle notes in between ADDR_VEC
5461         resp. ADDR_DIFF_VEC and the label preceeding it.
5462         (final_scan_insn): Likewise.  Ensure ADDR_VEC resp. ADDR_DIFF_VEC
5463         is emitted in the right section.
5464
5465 2005-03-22  Kazu Hirata  <kazu@cs.umass.edu>
5466
5467         * fold-const.c (fold_unary, fold_binary): Update comments
5468         about arguments.
5469
5470 2005-03-22  Hans-Peter Nilsson  <hp@axis.com>
5471
5472         PR rtl-optimization/20527
5473         * combine.c (can_combine_p) [AUTO_INC_DEC]: When INSN has an
5474         REG_INC note, test that the register also isn't mentioned in PRED
5475         or SUCC.
5476
5477 2005-03-22  Ben Elliston  <bje@au.ibm.com>
5478
5479         * dwarf2out.c (dwarf_type_encoding_name): Remove unused prototype
5480         and definition.
5481
5482 2005-03-21  Mike Stump  <mrs@apple.com>
5483
5484         * varasm.c (default_assemble_visibility): Remove extra ().
5485
5486 2005-03-21  Roger Sayle  <roger@eyesopen.com>
5487
5488         PR middle-end/20557
5489         * bb-reorder.c (duplicate_computed_gotos): Use can_duplicate_block_p
5490         to determine whether a block can be duplicated, rather than test
5491         whether the block contains noncopyable insns ourselves.
5492
5493 2005-03-21  Kazu Hirata  <kazu@cs.umass.edu>
5494
5495         * config/i860/i860.h (PREDICATE_CODES): Remove nonexistent
5496         predicates.
5497
5498 2005-03-21  Richard Sandiford  <rsandifo@redhat.com>
5499
5500         * config/ip2k/ip2k.h (target_flags, TARGET_SWITCHES): Delete.
5501
5502 2005-03-21  Richard Sandiford  <rsandifo@redhat.com>
5503
5504         * config/fr30/fr30.h (TARGET_SMALL_MODEL_MASK, TARGET_SMALL_MODEL)
5505         (TARGET_DEFAULT, target_flags, TARGET_SWITCHES): Delete.
5506         * config/fr30/fr30.opt: New file.
5507
5508 2005-03-18  Daniel Berlin  <dberlin@dberlin.org>
5509
5510         Fix PR tree-optimization/20542
5511
5512         * tree-flow-inline.h (overlap_subvar): Move to here.
5513         * tree-ssa-operands.c: From here.
5514         * tree-flow.h (overlap_subvar): Declare.
5515         * tree-ssa-alias.c (add_pointed_to_var): Use overlap_subvar here.
5516         * tree-ssa-loop-im.c (is_call_clobbered_ref): Return proper answer
5517         for variables with subvars.
5518
5519 2005-03-21 Mostafa Hagog <mustafa@il.ibm.com>
5520
5521         PR middle-end/20177
5522         * ddg.c (create_ddg_dependence): Ignore reg-anti dependency.
5523         * modulo-sched.c (const_iteration_count): Return on NULL
5524         pre-header.
5525         (print_node_sched_params): Return on NULL dump_file.
5526         (generate_reg_moves): Handle reg-anti dependencies and disregard
5527         closing branch when generating register moves.
5528         (sms_schedule): Mark the SMSed block dirty.
5529         * passes.c (rest_of_handle_sms): Call update_life_info for all
5530         basic-blocks.
5531         * testsuite/gcc.dg/20050321-1.c: New test.
5532
5533 2005-03-21  Bob Wilson  <bob.wilson@acm.org>
5534
5535         * config/xtensa/lib1funcs.asm (__mulsi3): Use symbolic name for ACCLO.
5536         * config/xtensa/xtensa.md (movsi_internal, movhi_internal,
5537         movqi_internal): Likewise.
5538
5539 2005-03-21  Bob Wilson  <bob.wilson@acm.org>
5540
5541         * config/xtensa/xtensa-protos.h: (xtensa_simm7, xtensa_uimm8,
5542         xtensa_uimm8x2, xtensa_uimm8x4, xtensa_ai4const, xtensa_lsi4x4,
5543         xtensa_b4const): Delete prototypes.
5544         (xtensa_simm8, xtensa_simm8x256, xtensa_simm12b, xtensa_b4constu,
5545         xtensa_mask_immediate, xtensa_mem_offset): Update prototypes.
5546         (xtensa_b4const_or_zero, xtensa_const_ok_for_letter_p,
5547         xtensa_extra_constraint): New prototypes.
5548         (add_operand, arith_operand, nonimmed_operand, mem_operand,
5549         mask_operand, extui_fldsz_operand, sext_operand, sext_fldsz_operand,
5550         lsbitnum_operand, branch_operand, ubranch_operand, call_insn_operand,
5551         move_operand, const_float_1_operand, fpmem_offset_operand,
5552         branch_operator, ubranch_operator, boolean_operator): Delete prototypes.
5553         * config/xtensa/xtensa.c (b4const_or_zero): Rename to ...
5554         (xtensa_b4const_or_zero): ...this.  Change return type to bool and
5555         argument type to HOST_WIDE_INT.
5556         (xtensa_simm8, xtensa_simm8x256, xtensa_simm12b,
5557         xtensa_mask_immediate): Likewise.
5558         (xtensa_uimm8, xtensa_uimm8x2, xtensa_uimm8x4, xtensa_b4const):
5559         Likewise.  Also make these functions static.
5560         (xtensa_simm7, xtensa_ai4const, xtensa_lsi4x4): Delete.
5561         (xtensa_const_ok_for_letter_p): New.
5562         (add_operand, arith_operand, nonimmed_operand, mem_operand,
5563         mask_operand, extui_fldsz_operand, sext_operand, sext_fldsz_operand,
5564         lsbitnum_operand, branch_operand, ubranch_operand, call_insn_operand,
5565         move_operand, const_float_1_operand, fpmem_offset_operand,
5566         branch_operator, ubranch_operator, boolean_operator): Move to
5567         predicates.md.
5568         (smalloffset_mem_p): Inline code from xtensa_lsi4x4.
5569         (xtensa_mem_offset): Change return type to bool.
5570         (xtensa_extra_constraint): New.
5571         (gen_int_relational): Update type of const_range_p function pointer.
5572         Use xtensa_b4const_or_zero.
5573         * config/xtensa/xtensa.h (CONST_OK_FOR_LETTER_P): Define to
5574         xtensa_const_ok_for_letter_p.  Update comments.
5575         (EXTRA_CONSTRAINT): Define to xtensa_extra_constraint.
5576         (PREDICATE_CODES): Delete.
5577         * config/xtensa/xtensa.md: Include predicates.md.
5578         * config/xtensa/predicates.md: New file.
5579
5580 2005-03-21  Kazu Hirata  <kazu@cs.umass.edu>
5581
5582         * config/v850/v850-protos.h: Remove the prototypes for
5583         reg_or_int9_operand, reg_or_const_operand,
5584         pattern_is_ok_for_prepare, pattern_is_ok_for_dispose,
5585         reg_or_0_operand, reg_or_int5_operand, call_address_operand,
5586         movsi_source_operand, power_of_two_operand,
5587         not_power_of_two_operand, special_symbolref_operand,
5588         pattern_is_ok_for_prologue, pattern_is_ok_for_epilogue, and
5589         register_is_ok_for_epilogue.
5590         * config/v850/v850.c (reg_or_0_operand, reg_or_int5_operand,
5591         reg_or_int9_operand, reg_or_const_operand,
5592         call_address_operand, special_symbolref_operand,
5593         movsi_source_operand, power_of_two_operand,
5594         not_power_of_two_operand, register_is_ok_for_epilogue,
5595         pattern_is_ok_for_epilogue, pattern_is_ok_for_prologue,
5596         pattern_is_ok_for_dispose, pattern_is_ok_for_prepare): Move to
5597         predicates.md.
5598         * config/v850/v850.h (PREDICATE_CODES): Remove.
5599         * config/v850/v850.md: Include predicates.md.
5600         * config/v850/predicates.md: New.
5601
5602 2005-03-21  Zack Weinberg  <zack@codesourcery.com>
5603
5604         * Makefile.in (BASEVER, DEVPHASE, DATESTAMP)
5605         (BASEVER_c, DEVPHASE_c, DATESTAMP_c)
5606         (BASEVER_s, DEVPHASE_s, DATESTAMP_s, version): Set with :=.
5607         (itoolsdir, itoolsdatadir): Move definition above new first use.
5608         (install-itoolsdirs): New rule.
5609         (install-mkheaders): Depend on install-itoolsdirs, not
5610         install-include-dir.
5611
5612 2005-03-21  Kazu Hirata  <kazu@cs.umass.edu>
5613
5614         * tree-into-ssa.c: Remove obsolete comments.
5615
5616 2005-03-21  Richard Guenther  <rguenth@gcc.gnu.org>
5617
5618         * tree-ssa-loop.c (gate_tree_complete_unroll): Run complete
5619         unrolling if -fpeel-loops is specified, too.
5620         * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely):
5621         Remove superfluous check for flag_unroll_loops.
5622
5623 2005-03-21  Uros Bizjak  <uros@kss-loka.si>
5624
5625         * optabs.h (enum optab_index): Add new OTI_lrint and OTI_llrint.
5626         (lrint_optab, llrint_optab): Define corresponding macros.
5627         * optabs.c (init_optabs): Initialize lrint_optab and llrint_optab.
5628         * genopinit.c (optabs): Implement lrint_optab using lrintsi2
5629         pattern and llrint_optab using llrintdi2 patterns.
5630         * builtins.c (expand_builtin_mathfn): Handle BUILT_IN_LRINT{,F,L}
5631         using lrint_optab and BUILT_IN_LLRINT{,F,L} using llrint_optab.
5632         (expand_builtin): Expand BUILT_IN_LRINT{,F,L} and
5633         BUILT_IN_LLRINT{,F,L} using expand_builtin_mathfn if
5634         flag_unsafe_math_optimizations is set.
5635
5636 2005-03-21  Paolo Bonzini  <bonzini@gnu.org>
5637
5638         * combine.c (combine_simplify_rtx, simplify_if_then_else,
5639         simplify_logical, if_then_else_cond, known_cond,
5640         simplify_comparison): Adjust calls to reverse_comparison.
5641         Don't use combine_reversed_comparison_code).
5642         (combine_reversed_comparison_code): Remove.
5643         (reversed_comparison): Using reversed_comparison_code, move it...
5644         * jump.c (reversed_comparison): ... here.
5645         * rtl.h (reversed_comparison): Add prototype.
5646
5647 2005-03-21  Kazu Hirata  <kazu@cs.umass.edu>
5648
5649         * builtins.c (fold_builtin): Take decomposed arguments of
5650         CALL_EXPR.
5651         * fold-const.c (fold_ternary): Update a call to fold_builtin.
5652         * gimplify.c (gimplify_call_expr): Likewise.
5653         * tree-ssa-ccp.c (ccp_fold, ccp_fold_builtin): Likewise.
5654         * tree.h: Update the prototype of fold_builtin.
5655
5656 2005-03-21  Paolo Bonzini  <bonzini@gnu.org>
5657
5658         * rtl.h (struct rtx_hooks): Add gen_lowpart_no_emit.
5659         * rtlhooks.c (gen_lowpart_no_emit_general): New.
5660         * rtlhooks-def.h (gen_lowpart_no_emit_general): Declare.
5661         (RTL_HOOKS_GEN_LOWPART_NO_EMIT): New.
5662         * simplify-rtx.c (simplify_binary_operation_1): Use it.
5663
5664 2005-03-21  Kazu Hirata  <kazu@cs.umass.edu>
5665
5666         * builtins.c (fold_builtin_1): Take decomposed arguments of
5667         CALL_EXPR.
5668         (fold_builtin): Update a call to fold_builtin_1.
5669
5670 2005-03-21  Nathan Sidwell  <nathan@codesourcery.com>
5671
5672         PR other/20564
5673         * gcov.c (output_lines): Only output function block summary when
5674         outputting branch information.
5675         * doc/gcov.texi: Document format of preamble and additional block
5676         information lines.
5677
5678 2005-03-21  Richard Sandiford  <rsandifo@redhat.com>
5679
5680         * libgcc2.h (LIBGCC2_HAS_SF_MODE): New macro.
5681         (LIBGCC2_HAS_DF_MODE, LIBGCC2_HAS_TF_MODE, LIBGCC2_HAS_XF_MODE): Make
5682         the defaults false if BITS_PER_UNIT != 8.
5683         (SFtype, SCtype, __fixsfdi, __floatdisf, __fixunssfSI, __fixunssfDI)
5684         (__powisf2, __divsc3, __mulsc3): Guard with LIBGCC2_HAS_SF_MODE rather
5685         than BITS_PER_UNIT != 8.
5686         (L_fixdfdi, L_fixsfdi, L_fixtfdi, L_fixunsdfdi, L_fixunsdfsi)
5687         (L_fixunssfdi, L_fixunssfsi, L_fixunstfdi, L_fixunsxfdi, L_fixunsxfsi)
5688         (L_fixxfdi, L_floatdidf, L_floatdisf, L_floatditf, L_floatdixf): Remove
5689         #undefs.
5690         * libgcc2.c (__fixunssfDI, __fixsfdi, __floatdisf, __fixunssfSI)
5691         (__powisf2, __divsc3, __mulsc3): Guard with LIBGCC2_HAS_SF_MODE.
5692
5693 2005-03-20  Roger Sayle  <roger@eyesopen.com>
5694
5695         PR middle-end/20539
5696         * fold-const.c (fold_binary): Fix type mismatch between
5697         TRUTH_{AND,OR,XOR}_EXPR nodes an their operands' types.
5698         (fold_binary) <TRUTH_XOR_EXPR>: Avoid calling invert_truthvalue
5699         for non-truth-valued expressions.
5700
5701         * c-common.c (c_common_truthvalue_conversion): Handle ERROR_MARK
5702         and FUNCTION_DECL in the main switch.
5703         <TRUTH_ANDIF_EXPR, TRUTH_ORIF_EXPR, TRUTH_AND_EXPR, TRUTH_OR_EXPR,
5704         TRUTH_XOR_EXPR>: When changing the result type of these tree nodes,
5705         we also need to convert their operands to match.
5706         <TRUTH_NOT_EXPR>: Likewise.
5707
5708 2005-03-21  Joseph S. Myers  <joseph@codesourcery.com>
5709
5710         * c-common.c (lvalue_or_else): Replace by lvalue_error; only give
5711         diagnostic without checking whether an lvalue.
5712         * c-common.h (lvalue_p): Remove.
5713         (enum lvalue_use): Update comment.
5714         (lvalue_or_else): Replace by lvalue_error.
5715         * c-typeck.c (lvalue_p): Make static.
5716         (lvalue_or_else): New.  Call lvalue_error.
5717
5718 2005-03-21  Alan Modra  <amodra@bigpond.net.au>
5719
5720         * config/rs6000/rs6000.c (rs6000_parm_start): New function.
5721         (function_arg_advance): Use rs6000_parm_start.
5722         (function_arg, rs6000_arg_partial_bytes): Likewise.
5723
5724 2005-03-20  Joseph S. Myers  <joseph@codesourcery.com>
5725
5726         * c-common.c (check_case_value): Adjust comment about stripping
5727         NOPs.
5728         (handle_vector_size_attribute): Don't strip NON_LVALUE_EXPR.
5729         * c-typeck.c (default_conversion, convert_arguments,
5730         build_modify_expr, convert_for_assignment, store_init_value,
5731         digest_init): Use STRIP_TYPE_NOPS instead of stripping nops
5732         manually.  Remove inaccurate comments.
5733
5734 2005-03-20  Roger Sayle  <roger@eyesopen.com>
5735             Joseph S. Myers  <joseph@codesourcery.com>
5736
5737         * varasm.c (do_assemble_alias): Restore comment describing function.
5738         Annotate the target parameter as potentially unused.
5739
5740 2005-03-20  Marek Michalkiewicz  <marekm@amelek.gda.pl>
5741
5742         PR target/18551
5743         * config/avr/avr.c (avr_output_function_prologue): Do not use
5744         current_function_name() in a label, use a local label instead.
5745
5746 2005-03-20  David Edelsohn  <edelsohn@gnu.org>
5747
5748         * config/rs6000/rs6000.c (rs6000_generate_compare): Test
5749         flag_finite_math_only, not flag_unsafe_math_optimizations.
5750
5751 2005-03-20  Kazu Hirata  <kazu@cs.umass.edu>
5752
5753         * builtins.c (fold_builtin_1): Update a call to
5754         targetm.fold_builtin.
5755         * hooks.c (hook_tree_tree_bool_null): Rename to
5756         hook_tree_tree_tree_bool_null.  Take one more argument of type
5757         tree.
5758         * hooks.h: Update the prototype of hook_tree_tree_bool_null.
5759         * target-def.h (TARGET_FOLD_BUILTIN): Define it as
5760         hook_tree_tree_tree_bool_null.
5761         * target.h (gcc_target): Update the prototype of fold_builtin.
5762         * config/alpha/alpha.c (alpha_fold_builtin): Take decomposed
5763         arguments of CALL_EXPR.
5764         * doc/tm.texi (TARGET_FOLD_BUILTIN): Update.  Mention the
5765         new prototype.
5766
5767 2005-03-20  Jan Hubicka  <jh@suse.cz>
5768
5769         * cgraph.h (cgraph_node): Add prev_clone pointer.
5770         * cgraph.c (cgraph_remove_node): Remove from doubly linked chain.
5771         (cgraph_clone_node): Produce doubly linked chain.
5772
5773 2005-03-20  Joseph S. Myers  <joseph@codesourcery.com>
5774
5775         * c-common.c (handle_aligned_attribute, check_function_sentinel,
5776         get_nonnull_operand, handle_sentinel_attribute,
5777         check_function_arguments_recurse): Do not strip NOPS from
5778         INTEGER_CSTs.
5779         * c-decl.c (check_bitfield_type_and_width, build_enumerator):
5780         Likewise.
5781         * c-format.c (get_constant): Likewise.
5782         * c-parser.c (c_parser_postfix_expression): Likewise.
5783         * c-typeck.c (set_init_index): Likewise.
5784         (convert_arguments): Don't check for NOP_EXPR containing integer
5785         constant.
5786
5787 2005-03-20  Kazu Hirata  <kazu@cs.umass.edu>
5788
5789         * builtins.c (fold_fixed_mathfn, fold_builtin_trunc,
5790         fold_builtin_floor, fold_builtin_ceil, fold_builtin_lround):
5791         Take decomposed arguments of CALL_EXPR.
5792         (fold_builtin_1): Update calls to the functions mentioned
5793         above.
5794
5795 2005-03-20  Joseph S. Myers  <joseph@codesourcery.com>
5796
5797         * c-decl.c (check_bitfield_type_and_width): Require bit-field
5798         width to have integer type.
5799         (build_enumerator): Require enumerator value to have integer type.
5800
5801 2005-03-19  Joseph S. Myers  <joseph@codesourcery.com>
5802
5803         * doc/extend.texi (__builtin_inf): Move statement about INFINITY
5804         to __builtin_inff.
5805
5806 2005-03-19  Joseph S. Myers  <joseph@codesourcery.com>
5807
5808         * c.opt (ansi, std=iso9899:1990, std=iso9899:1999,
5809         std=iso9899:199x): Correct descriptions.
5810
5811 2005-03-19  Joseph S. Myers  <joseph@codesourcery.com>
5812
5813         * config.gcc: Consistently use solaris2.1[0-9]* instead of
5814         solaris2.1[0-9].
5815
5816 2005-03-19  Kazu Hirata  <kazu@cs.umass.edu>
5817
5818         * builtins.c (fold_builtin_memcpy): Take decomposed arguments
5819         of CALL_EXPR.
5820         (expand_builtin_memcpy, fold_builtin_1): Update calls to
5821         fold_builtin_memcpy.
5822
5823         * builtins.c (fold_trunc_transparent_mathfn): Take decomposed
5824         arguments of CALL_EXPR.
5825         (fold_builtin_trunc, fold_builtin_floor, fold_builtin_ceil,
5826         fold_builtin_found, fold_builtin_1): Update calls to
5827         fold_trunc_transparent_mathfn.
5828
5829 2005-03-19  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
5830
5831         PR middle-end/20493
5832         * fold-const.c (fold_widened_comparison): Don't optimize casts of
5833         function pointers on targets that require function pointer
5834         canonicalization.
5835         (fold_sign_changed_comparison): Likewise.
5836
5837 2005-03-19  Bernd Schmidt  <bernd.schmidt@analog.com>
5838
5839         * combine.c (try_combine): When changing the mode of a hard reg, make
5840         sure that doing so is valid.
5841
5842 2005-03-19  Richard Sandiford  <rsandifo@redhat.com>
5843
5844         * config/avr/avr.c (avr_init_stack, avr_mcu_name): Make static.
5845         (TARGET_HANDLE_OPTION): Override default.
5846         (avr_handle_option): New function.
5847         * config/avr/avr.h (MASK_ALL_DEBUG, MASK_ORDER_1, MASK_INSN_SIZE_DUMP)
5848         (MASK_ORDER_2, MASK_NO_TABLEJUMP, MASK_INT8, MASK_NO_INTERRUPTS)
5849         (MASK_CALL_PROLOGUES, MASK_TINY_STACK, MASK_SHORT_CALLS)
5850         (TARGET_ORDER_1, TARGET_ORDER_2, TARGET_INT8, TARGET_NO_INTERRUPTS)
5851         (TARGET_INSN_SIZE_DUMP, TARGET_CALL_PROLOGUES, TARGET_TINY_STACK)
5852         (TARGET_NO_TABLEJUMP, TARGET_SHORT_CALLS, TARGET_ALL_DEBUG)
5853         (TARGET_SWITCHES, avr_init_stack, avr_mcu_name)
5854         (TARGET_OPTIONS): Delete.
5855         * config/avr/avr.opt: New file.
5856
5857 2005-03-18  2005-03-18  Kazu Hirata  <kazu@cs.umass.edu>
5858
5859         * config/m32r/m32r-protos.h: Remove the prototypes for
5860         call_address_operand, symbolic_operand, seth_add3_operand,
5861         cmp_int16_operand, uint16_operand, reg_or_int16_operand,
5862         reg_or_uint16_operand, reg_or_cmp_int16_operand,
5863         two_insn_const_operand, move_src_operand,
5864         move_double_src_operand, move_dest_operand,
5865         eqne_comparison_operator, signed_comparison_operator,
5866         large_insn_p, conditional_move_operand, carry_compare_operand,
5867         m32r_block_immediate_operand, extend_operand,
5868         reg_or_eq_int16_operand, int8_operand, and
5869         reg_or_zero_operand.
5870         * config/m32r/m32r.c (call_address_operand, symbolic_operand,
5871         seth_add3_operand, int8_operand, cmp_int16_operand,
5872         uint16_operand, reg_or_int16_operand, reg_or_uint16_operand,
5873         reg_or_eq_int16_operand, reg_or_cmp_int16_operand,
5874         reg_or_zero_operand, two_insn_const_operand, move_src_operand,
5875         move_double_src_operand, move_dest_operand,
5876         eqne_comparison_operator, signed_comparison_operator,
5877         extend_operand, small_insn_p, large_insn_p,
5878         conditional_move_operand, carry_compare_operand,
5879         m32r_block_immediate_operand): Move to predicates.md.
5880         (MAX_MOVE_BYTES): Move to m32r.h.
5881         * config/m32r/m32r.h (PREDICATE_CODES): Remove.
5882         * config/m32r/m32r.md: Include predicates.md.
5883         * config/m32r/predicates.md: New.
5884
5885 2005-03-18  James E Wilson  <wilson@specifixinc.com>
5886
5887         PR c++/19769
5888         * dwarf2out.c (declare_in_namespace): Ignore decls with an abstract
5889         origin.
5890
5891 2005-03-18  Kazu Hirata  <kazu@cs.umass.edu>
5892
5893         * config/mn10300/mn10300-protos.h: Remove the prototypes for
5894         call_address_operand, const_8bit_operand.
5895         * config/mn10300/mn10300.c (call_address_operand,
5896         const_8bit_operand, const_1f_operand): Move to predicates.md.
5897         * config/mn10300/mn10300.h (PREDICATE_CODES): Remove.
5898         * config/mn10300/mn10300.md: Include predicates.md.
5899         * config/mn10300/predicates.md: New.
5900
5901 2005-03-18  Joseph S. Myers  <joseph@codesourcery.com>
5902
5903         * c-common.c, c-decl.c, c-format.c, c-typeck.c: Use %D for
5904         declarations in diagnostics and %E for identifiers, not %s.
5905
5906 2005-03-18  Jan Hubicka  <jh@suse.cz>
5907             Dale Johannesen  <dalej@apple.com>
5908
5909         * basic-block.h (scale_bbs_frequencies_int,
5910         scale_bbs_frequencies_gcov_type): Declare.
5911         * cfg.c (RDIV): New macro.
5912         (update_bb_frequency_for_threading): Fix.
5913         * basic-block.h (scale_bbs_frequencies_int,
5914         scale_bbs_frequencies_gcov_type): New.
5915         * cfgloopmanip.c (scale_bbs_frequencies): Kill.
5916         (scale_loop_frequencies, duplicate_loop_to_header_edge): Use
5917         scale_bbs_frequencies_int.
5918         * tree-ssa-loop-ch.c (copy_loop_headers): Fix profiling info.
5919
5920 2005-03-18  Kazu Hirata  <kazu@cs.umass.edu>
5921
5922         * config/m32r/m32r-protos.h: Remove the prototypes for
5923         call_address_operand, symbolic_operand, seth_add3_operand,
5924         cmp_int16_operand, uint16_operand, reg_or_int16_operand,
5925         reg_or_uint16_operand, reg_or_cmp_int16_operand,
5926         two_insn_const_operand, move_src_operand,
5927         move_double_src_operand, move_dest_operand,
5928         eqne_comparison_operator, signed_comparison_operator,
5929         large_insn_p, conditional_move_operand, carry_compare_operand,
5930         m32r_block_immediate_operand, extend_operand,
5931         reg_or_eq_int16_operand, int8_operand, and
5932         reg_or_zero_operand.
5933         * config/m32r/m32r.c (call_address_operand, symbolic_operand,
5934         seth_add3_operand, int8_operand, cmp_int16_operand,
5935         uint16_operand, reg_or_int16_operand, reg_or_uint16_operand,
5936         reg_or_eq_int16_operand, reg_or_cmp_int16_operand,
5937         reg_or_zero_operand, two_insn_const_operand, move_src_operand,
5938         move_double_src_operand, move_dest_operand,
5939         eqne_comparison_operator, signed_comparison_operator,
5940         extend_operand, small_insn_p, large_insn_p,
5941         conditional_move_operand, carry_compare_operand,
5942         m32r_block_immediate_operand): Move to predicates.md.
5943         (MAX_MOVE_BYTES): Move to m32r.h.
5944         * config/m32r/m32r.h (PREDICATE_CODES): Remove.
5945         * config/m32r/m32r.md: Include predicates.md.
5946         * config/m32r/predicates.md: New.
5947
5948         * config/pa/pa-protos.h: Add prototypes for magic_milli and
5949         shadd_constant_p.
5950         * config/pa/pa.c (reg_or_0_operand, call_operand_address,
5951         symbolic_operand, symbolic_memory_operand,
5952         reg_or_0_or_nonsymb_mem_operand, reg_before_reload_operand,
5953         indexed_memory_operand, move_dest_operand, move_src_operand,
5954         prefetch_cc_operand, prefetch_nocc_operand,
5955         reg_or_cint_move_operand, pic_label_operand, fp_reg_operand,
5956         arith_operand, arith11_operand, pre_cint_operand,
5957         post_cint_operan, arith_double_operand, ireg_or_int5_operand,
5958         ireg_operand, int5_operand, uint5_operand, int11_operand,
5959         uint32_operand, arith5_operand, and_operand, ior_operand,
5960         lhs_lshift_operand, lhs_lshift_cint_operand, arith32_operand,
5961         pc_or_label_operand, div_operand, plus_xor_ior_operator,
5962         shadd_operand, movb_comparison_operator,
5963         cmpib_comparison_operator): Move to predicates.md.
5964         (magic_milli, shadd_constant_p): Make it extern.
5965         * config/pa/pa.h (PREDICATE_CODES): Remove.
5966         * config/pa/pa.md: Include predicates.md.
5967         * config/pa/predicates.md: New.
5968
5969         * config/v850/v850.h (PREDICATE_CODES): Remove a nonexistent
5970         predicate.
5971
5972 2005-03-18  Kazu Hirata  <kazu@cs.umass.edu>
5973
5974         * hooks.c, hooks.h, intl.c, opts.h, prefix.c, tree-gimple.c,
5975         config/alpha/ev4.md, config/alpha/ev5.md, config/alpha/ev6.md,
5976         config/alpha/freebsd.h, config/alpha/linux.h,
5977         config/alpha/netbsd.h, config/alpha/osf5.h,
5978         config/alpha/vms.h, config/arc/arc.c, config/arc/arc.h,
5979         config/h8300/h8300-protos.h, config/h8300/h8300.c,
5980         config/h8300/h8300.h, config/ia64/unwind-ia64.c,
5981         doc/cppopts.texi: Update copyright.
5982
5983 2005-03-18  Jan Hubicka  <jh@suse.cz>
5984
5985         PR middle-end/20225
5986         * cgraph.c (cgraph_mark_reachable_node): Assert that it is not called
5987         too late.
5988         * varasm.c (find_decl_and_mark_needed): Mark needed only when not
5989         called too late.
5990
5991 2005-03-18  Kazu Hirata  <kazu@cs.umass.edu>
5992
5993         * tree-into-ssa.c (find_idf): Use VEC_quick_push instead of
5994         VEC_safe_push.
5995
5996 2005-03-18  Paolo Bonzini  <bonzini@gnu.org>
5997
5998         * combine.c (gen_binary): Remove.
5999         (known_cond, simplify_shift_const, find_split_point,
6000         combine_simplify_rtx, simplify_if_then_else, simplify_set,
6001         simplify_logical, expand_field_assignment, extract_left_shift,
6002         force_to_mode, if_then_else_cond, apply_distributive_law,
6003         simplify_and_const_int, simplify_shift_const, gen_lowpart_for_combine,
6004         simplify_comparison, reversed_comparison): Replace with
6005         simplify_gen_binary, simplify_gen_relational or
6006         distribute_and_simplify_rtx.
6007         (distribute_and_simplify_rtx): New function.
6008
6009 2005-03-18  Alexey Neyman  <alex.neyman@auriga.ru>
6010             Paolo Bonzini  <gcc.gnu.org>
6011
6012         * calls.c (setjmp_call_p, special_function_p): Update comments
6013         at the head of the functions.
6014
6015 2005-03-18  Jan Hubicka  <jh@suse.cz>
6016
6017         * tree-cfg.c (fold_cond_expr_cond): Use boolean types for condition.
6018
6019         * cgraph.c (cgraph_remove_node): Avoid loop in code deciding whether
6020         function body should be released; do not proactively release function
6021         bodies in non-unit-at-a-time mode.
6022
6023 2005-03-18  Ralf Corsepius  <ralf.corsepius@rtems.org>
6024
6025         * config/i386/t-rtems-i386 (MULTILIBS): Remove k6, athlon,
6026         mno-fp-ret-in-387 multilib variants.
6027
6028 2005-03-18  Richard Sandiford  <rsandifo@redhat.com>
6029
6030         * common.opt (m): Remove.
6031         * opts.c (handle_option): Pass 'm' options to set_target_switch if
6032         table lookup fails.
6033         (common_handle_option): Remove OPT_m case.
6034
6035 2005-03-18  Kazu Hirata  <kazu@cs.umass.edu>
6036
6037         * builtins.c (fold_builtin_bitop): Take decomposed arguments
6038         of CALL_EXPR.
6039         (fold_builtin_1): Update a call to fold_builtin_bitop.
6040
6041         * builtins.c (fold_builtin_signbit): Take decomposed arguments
6042         of CALL_EXPR.
6043         (fold_builtin_1): Update a call to fold_builtin_signbit.
6044
6045 2005-03-17  Dorit Naishlos  <dorit@il.ibm.com>
6046
6047         PR tree-optimization/20474
6048         * tree-vect-analyze.c (vect_analyze_pointer_ref_access): Check the
6049         size_type of the relevant pointer. Check for COMPLETE_TYPE_P.
6050
6051 2005-03-17  Kazu Hirata  <kazu@cs.umass.edu>
6052
6053         * config/h8300/h8300-protos.h: Remove prototypes for
6054         general_operand_src, general_operand_dst, single_one_operand,
6055         single_zero_operand, call_insn_operand,
6056         two_insn_adds_subs_operand, small_call_insn_operand,
6057         jump_address_operand, bit_operand, bit_memory_operand,
6058         stack_pointer_operand, const_int_gt_2_operand,
6059         const_int_ge_8_operand, const_int_qi_operand,
6060         const_int_hi_operand, incdec_operand, bit_operator,
6061         nshift_operator, eqne_operator, gtle_operator,
6062         gtuleu_operator, iorxor_operator.
6063         Add prototypes for h8sx_shift_type h8sx_classify_shift and
6064         h8300_ldm_stm_parallel.
6065         * config/h8300/h8300.c (h8sx_shift_type,): Move to
6066         h8300-protos.h.
6067         (SYMBOL_FLAG_FUNCVEC_FUNCTION, SYMBOL_FLAG_EIGHTBIT_DATA,
6068         SYMBOL_FLAG_TINY_DATA): Move to h8300.h.
6069         (h8300_ldm_stm_parallel): Make it extern.
6070         (h8300_ldm_parallel, h8300_stm_parallel,
6071         h8300_return_parallel, general_operand_src,
6072         general_operand_dst, h8300_dst_operand, h8300_src_operand,
6073         nibble_operand, reg_or_nibble_operand, single_one_operand,
6074         single_zero_operand, call_insn_operand,
6075         two_insn_adds_subs_operand, small_call_insn_operand,
6076         jump_address_operand, bit_operand, bit_memory_operand,
6077         stack_pointer_operand, const_int_gt_2_operand,
6078         const_int_ge_8_operand, const_int_qi_operand,
6079         const_int_hi_operand, incdec_operand, eqne_operator,
6080         gtle_operator, gtuleu_operator, iorxor_operator, bit_operator,
6081         h8sx_binary_memory_operator, h8sx_unary_memory_operator,
6082         h8sx_unary_shift_operator, h8sx_binary_shift_operator,
6083         nshift_operator): Move to predicates.md.
6084         * config/h8300/h8300.h (PREDICATE_CODES): Remove.
6085         * config/h8300/h8300.md: Include predicates.md.
6086         * config/h8300/predicates.md: New.
6087
6088 2005-03-17  Richard Henderson  <rth@redhat.com>
6089
6090         * config.gcc (ia64*-*-hpux*): Add extra_options.
6091         * config/ia64/hpux.h (SUBTARGET_SWITCHES): Remove.
6092         (TARGET_DEFAULT): Remove MASK_INLINE_FLOAT_DIV_THR.
6093         * config/ia64/ia64.c (ia64_fixed_range_string): Remove.
6094         (ia64_tls_size_string, ia64_tune_string): Remove.
6095         (ia64_tune): Init to PROCESSOR_ITANIUM2.
6096         (TARGET_DEFAULT_TARGET_FLAGS): New.
6097         (TARGET_HANDLE_OPTION): New.
6098         (ia64_override_options): Move options parsing ...
6099         (ia64_handle_option): ... here.  New.
6100         * config/ia64/ia64.h (target_flags, MASK_BIG_ENDIAN, MASK_GNU_AS,
6101         MASK_GNU_LD, MASK_NO_PIC, MASK_VOL_ASM_STOP, MASK_ILP32,
6102         MASK_REG_NAMES, MASK_NO_SDATA, MASK_CONST_GP, MASK_AUTO_PIC,
6103         MASK_INLINE_FLOAT_DIV_LAT, MASK_INLINE_FLOAT_DIV_THR,
6104         MASK_INLINE_INT_DIV_LAT, MASK_INLINE_INT_DIV_THR,
6105         MASK_INLINE_SQRT_LAT, MASK_INLINE_SQRT_THR, MASK_DWARF2_ASM,
6106         MASK_EARLY_STOP_BITS, TARGET_BIG_ENDIAN, TARGET_GNU_AS, TARGET_GNU_LD,
6107         TARGET_NO_PIC, TARGET_VOL_ASM_STOP, TARGET_ILP32, TARGET_REG_NAMES,
6108         TARGET_NO_SDATA, TARGET_CONST_GP, TARGET_AUTO_PIC,
6109         TARGET_INLINE_FLOAT_DIV_LAT, TARGET_INLINE_FLOAT_DIV_THR,
6110         TARGET_INLINE_INT_DIV_LAT, TARGET_INLINE_INT_DIV_THR,
6111         TARGET_INLINE_FLOAT_DIV, TARGET_INLINE_INT_DIV, TARGET_INLINE_SQRT_LAT,
6112         TARGET_INLINE_SQRT_THR, TARGET_INLINE_SQRT, TARGET_DWARF2_ASM,
6113         TARGET_EARLY_STOP_BITS): Remove.
6114         (TARGET_ILP32): Default false.
6115         (TARGET_SWITCHES, SUBTARGET_SWITCHES, TARGET_OPTIONS): Remove.
6116         (enum ia64_inline_type): New.
6117         (TARGET_DEFAULT): Remove MASK_INLINE_FLOAT_DIV_THR.
6118         * config/ia64/ia64.md: Update for new definitions of
6119         TARGET_INLINE_INT_DIV, TARGET_INLINE_FLOAT_DIV, TARGET_INLINE_SQRT.
6120         * config/ia64/ia64.opt: New file.
6121         * config/ia64/ilp32.opt: New file.
6122
6123 2005-03-17  H.J. Lu  <hongjiu.lu@intel.com>
6124
6125         PR target/18380
6126         * config/ia64/unwind-ia64.c (_Unwind_FindTableEntry): Removed.
6127
6128 2005-03-17  Kazu Hirata  <kazu@cs.umass.edu>
6129
6130         * config/h8300/h8300.c (h8300_init_once): Use MASK_H8300S_1
6131         instead of MASK_H8300S.
6132         * config/h8300/h8300.h (target_flags, MASK_H8300S, MASK_MAC,
6133         MASK_INT32, MASK_ADDRESSES, MASK_QUICKCALL, MASK_SLOWBYTE,
6134         MASK_NORMAL_MODE, MASK_RELAX, MASK_H8300H, MASK_ALIGN_300,
6135         MASK_H8300SX, TARGET_INT32, TARGET_ADDRESSES,
6136         TARGET_QUICKCALL, TARGET_SLOWBYTE, TARGET_H8300H,
6137         TARGET_H8300XS, TARGET_NORMAL_MODE, TARGET_ALIGN_300,
6138         TARGET_SWITCHES): Remove.
6139         (TARGET_H8300S): Redefine interms of TARGET_H8300S_1 and
6140         TARGET_H8300SX.
6141         * config/h8300/h8300.opt: New.
6142
6143         * config/alpha/alpha.opt, config/arc/arc.opt,
6144         config/h8300/h8300.opt, config/mips/mips.opt: Add copyright
6145         notices.
6146
6147 2005-03-17  Ian Lance Taylor  <ian@airs.com>
6148
6149         * gmon.c: Remove.
6150
6151 2005-03-17  Richard Sandiford  <rsandifo@redhat.com>
6152
6153         * config/arc/arc.c (arc_cpu_string): Make static.  Default to "base"
6154         (arc_text_string, arc_data_string, arc_rodata_string): Make static.
6155         (TARGET_HANDLE_OPTION): Override default.
6156         (arc_handle_option): New function.
6157         (arc_init): Remove code to set arch_cpu_string.
6158         * config/arc/arc.h (target_flags, TARGET_MASK_MANGLE_CPU)
6159         (TARGET_MANGLE_CPU, TARGET_MASK_MANGLE_CPU_LIBGCC)
6160         (TARGET_MANGLE_CPU_LIBGCC, TARGET_MASK_ALIGN_LOOPS, TARGET_ALIGN_LOOPS)
6161         (TARGET_MASK_BIG_ENDIAN, TARGET_BIG_ENDIAN, TARGET_MASK_NO_COND_EXEC)
6162         (TARGET_NO_COND_EXEC, TARGET_SWITCHES, TARGET_DEFAULT)
6163         (SUBTARGET_SWITCHES, arc_cpu_string, arc_text_string, arc_data_string)
6164         (arc_rodata_string, TARGET_OPTIONS): Delete.
6165         * config/arc/arc.opt: New file.
6166
6167 2005-03-17  Richard Henderson  <rth@redhat.com>
6168
6169         * doc/extend.texi (Weak Pragmas): New section.
6170         (attribute alias): Clarify that target must be in the same
6171         translation unit.
6172
6173 2005-03-17  Richard Henderson  <rth@redhat.com>
6174
6175         * config/alpha/alpha.opt: New file.
6176         * config/alpha/alpha.c (alpha_tune): New.  Rename all existing uses
6177         of alpha_cpu.
6178         (alpha_cpu_string, alpha_tune_string, alpha_tp_string,
6179         alpha_fprm_string, alpha_fptm_string): Make static.
6180         (alpha_tls_size_string): Remove.
6181         (alpha_handle_option): New.
6182         (override_options): Update for alpha_cpu/alpha_tune split.
6183         (alpha_file_start): Likewise.
6184         (TARGET_DEFAULT_TARGET_FLAGS): New.
6185         (TARGET_HANDLE_OPTION): New.
6186         * config/alpha/alpha.h (alpha_tune): Declare.
6187         (MASK_FP, MASK_FPREGS, TARGET_FPREGS, MASK_GAS, TARGET_GAS,
6188         MASK_IEEE_CONFORMANT, TARGET_IEEE_CONFORMANT, MASK_IEEE, TARGET_IEEE,
6189         MASK_IEEE_WITH_INEXACT, TARGET_IEEE_WITH_INEXACT, MASK_BUILD_CONSTANTS,
6190         TARGET_BUILD_CONSTANTS, MASK_FLOAT_VAX, TARGET_FLOAT_VAX, MASK_BWX,
6191         TARGET_BWX, MASK_MAX, TARGET_MAX, MASK_FIX, TARGET_FIX, MASK_CIX,
6192         TARGET_CIX, MASK_EXPLICIT_RELOCS, TARGET_EXPLICIT_RELOCS,
6193         MASK_SMALL_DATA, TARGET_SMALL_DATA, MASK_TLS_KERNEL, TARGET_TLS_KERNEL,
6194         MASK_SMALL_TEXT, TARGET_SMALL_TEXT, MASK_LONG_DOUBLE_128,
6195         TARGET_LONG_DOUBLE_128, MASK_CPU_EV5, TARGET_CPU_EV5, MASK_CPU_EV6,
6196         TARGET_CPU_EV6, MASK_SUPPORT_ARCH): Remove.
6197         (TARGET_SWITCHES, TARGET_OPTIONS): Remove.
6198         (TARGET_DEFAULT): Remove MASK_FP.
6199         (TARGET_FP): Redefined based on TARGET_SOFT_FP.
6200         (TARGET_SUPPORT_ARCH): Default on if HAVE_AS_EXPLICIT_RELOCS.
6201         (alpha_cpu_string, alpha_tune_string, alpha_fprm_string,
6202         alpha_fptm_string, alpha_tp_string, alpha_mlat_string,
6203         alpha_tls_size_string): Remove.
6204         * config/alpha/alpha.md (prefetch): Use alpha_cpu.
6205         (attribute tune): Rename from attribute cpu.
6206         * config/alpha/ev4.md: Update to match.
6207         * config/alpha/ev5.md, config/alpha/ev6.md: Likewise.
6208         * config/alpha/freebsd.h (TARGET_DEFAULT): Remove MASK_FP.
6209         * config/alpha/linux.h (TARGET_DEFAULT): Likewise.
6210         * config/alpha/netbsd.h (TARGET_DEFAULT): Likewise.
6211         * config/alpha/osf5.h (TARGET_DEFAULT): Likewise.
6212         * config/alpha/vms.h (TARGET_DEFAULT): Likewise.
6213
6214 2005-03-16  James E. Wilson  <wilson@specifixinc.com>
6215
6216         * config/ia64/ia64.c (issue_nops_and_insn): Check first_insn attribute,
6217         and return without creating new state if before_nops_num is nonzero.
6218         * config/ia64/ia64.md (first_insn): New attribute.
6219         (alloc): Set it to yes.
6220
6221 2005-03-16  Daniel Berlin  <dberlin@dberlin.org>
6222
6223         * tree-vectorizer.c (new_vec_stmt_info): Initialize
6224         STMT_VINFO_SUBVARS to NULL.
6225         * tree-vect-analyze.c (vect_analyze_data_refs): Ditto.
6226
6227 2005-03-16 Dale Johannesen  <dalej@apple.com>
6228
6229         * rtlanal.c (find_first_parameter_load):  Rewrite to
6230         return actual first param load or the call if none,
6231         instead of first in block, when not all loads exist.
6232
6233 2005-03-16  Roger Sayle  <roger@eyesopen.com>
6234
6235         * optabs.c (expand_copysign_absneg): Make static.
6236         * optabs.h (expand_copysign_absneg): Delete prototype.
6237         * config/rs6000/rs6000.md (copysigntf3): Delete pattern.
6238
6239 2005-03-16  Richard Henderson  <rth@redhat.com>
6240
6241         PR middle-end/15700
6242         * varasm.c (struct alias_pair): Rename from struct output_def_pair.
6243         (alias_pairs): Rename from output_defs.
6244         (find_decl_and_mark_needed): Split out from assemble_alias.
6245         (do_assemble_alias): New.
6246         (assemble_output_def): Remove.
6247         (finish_aliases_1, finish_aliases_2): New.
6248         (process_pending_assemble_output_defs): Remove.
6249         (assemble_alias): Defer aliases for which we don't yet have a
6250         non-external decl for the target symbol.
6251         * passes.c (rest_of_decl_compilation): Register variables with cgraph.
6252         * cgraphunit.c (cgraph_finalize_compilation_unit): Use finish_aliases_1.
6253         * toplev.c (compile_file): Use finish_aliases_2 instead of
6254         process_pending_assemble_output_defs.
6255         * tree.h (finish_aliases_1, finish_aliases_2): Declare.
6256         (process_pending_assemble_output_defs): Remove.
6257
6258 2005-03-16  Daniel Berlin  <dberlin@dberlin.org>
6259
6260         Fix PR tree-optimization/20489
6261
6262         * tree-ssa-alias.c (push_fields_onto_fieldstack): DTRT
6263         for empty structures.
6264
6265 2005-03-16  Daniel Berlin  <dberlin@dberlin.org>
6266
6267         Fix PR tree-optimization/20490
6268
6269         * tree-ssa-pre.c (create_expression_by_pieces): Use
6270         force_gimple_operand on result of fold.
6271
6272 2005-03-16  Andrew Pinski  <pinskia@physics.uc.edu>
6273
6274         * config/i386/emmintrin.h (_mm_extract_epi16): Correct the number
6275         of closing parenthesis.
6276
6277 2005-03-16  Kazu Hirata  <kazu@cs.umass.edu>
6278
6279         * builtins.c (expand_movstr): Update a call to
6280         fold_builtin_strcpy.
6281         (expand_builtin_strncpy): Update a call to
6282         fold_builtin_strncpy.
6283         (fold_builtin_strcpy, fold_builtin_strncpy): Take decomosed
6284         arguments of CALL_EXPR.
6285         (fold_builtin_1): Update calls to fold_builtin_strcpy and
6286         fold_builtin_strncpy.
6287         * tree-ssa-ccp.c (ccp_fold_builtin): Likewise.
6288         * tree.h: Update the prototypes of fold_builtin_strcpy and
6289         fold_builtin_strncpy.
6290
6291 2005-03-16  Steven Bosscher  <stevenb@suse.de>
6292             Dorit Naishlos  <dorit@il.ibm.com>
6293
6294         * tree-vect-analyze.c (vect_enhance_data_refs_alignment): Copy
6295         UNITS_PER_SIMD_WORD to a local variable to avoid a "division by zero"
6296         error.
6297
6298 2005-03-16  Steven Bosscher  <stevenb@suse.de>
6299
6300         * tree-inline.c (walk_type_fields, walk_tree,
6301         walk_tree_without_duplicates): Move from here...
6302         * tree.c: ...to here.
6303
6304 2005-03-15  Zack Weinberg  <zack@codesourcery.com>
6305
6306         * BASE-VER, DATESTAMP, DEV-PHASE: New files.
6307         * Makefile.in (gcc_version, gcc_version_trigger, ): Delete.
6308         (BASEVER, DEVPHASE, DATESTAMP, BASEVER_c, DEVPHASE_c, DATESTAMP_c)
6309         (BASEVER_s, DEVPHASE_s, DATESTAMP_s): New variables.
6310         (version): Define using $(BASEVER_c).
6311         (Makefile, config.status, build/gcov-iov.o): No longer depends on
6312         version.c.
6313         (version.o): Depend on version files; add custom generation command.
6314         (prefix.o): Define BASEVER on command line.
6315         (s-iov): Depend on version files; adjust command.
6316         (TEXI_CPP_FILES, TEX_IGCC_FILES, TEXI_GCCINT_FILES, TEXI_CPPINT_FILES):
6317         Add gcc-vers.texi.
6318         (gcc-vers.texi): New rule.
6319         (doc/%.info, doc/%.dvi): Add -I . to command line.
6320         (doc/gccinstall.dvi): Likewise.
6321         (PACKAGE): Delete.  All uses replaced with "gcc".
6322         * aclocal.m4: Do not include gcc-version.m4.
6323         * configure.ac: Do not invoke TL_AC_GCC_VERSION.
6324         Do not AC_SUBST nor AC_DEFINE PACKAGE or VERSION.
6325         Set is_release based on contents of DEV-PHASE.
6326         Set gcc_version based on contents of BASE-VER.
6327         Define WIN32_REGISTRY_KEY only if the user overrode the default.
6328         * config.in, configure: Regenerate.
6329         * gccbug.in: Determine version of GCC in use at runtime.
6330         * gcov-iov.c: Get version number and development phase from
6331         command line, not by including version.c.
6332         * intl.c: Replace all uses of PACKAGE with "gcc".
6333         * libada-mk.in: Delete unused "gcc_version" variable.
6334         * prefix.c: Default WIN32_REGISTRY_KEY to BASEVER.
6335         * version.c: (VERSUFFIX): New hook for redistributors; adjust
6336         commentary to match.
6337         (version_string): Put together from pieces.
6338         * config/alpha/x-vms: Do not use $(gcc_version).
6339         * config/i386/t-nwld: Likewise.
6340         * doc/include/gcc-common.texi: Include gcc-vers.texi for
6341         version-GCC and DEVELOPMENT.
6342
6343 2005-03-15  Roger Sayle  <roger@eyesopen.com>
6344
6345         PR tree-optimization/17454
6346         * tree.c (tree_size): Add case for TREE_BINFO.
6347         * fold-const.c (fold_checksum_tree): Only clear the overloaded
6348         field TYPE_CACHED_VALUES if TYPE_CACHED_VALUES_P is set.
6349
6350 2005-03-15  Roger Sayle  <roger@eyesopen.com>
6351
6352         * optabs.c (expand_doubleword_mult): Avoid clobbering op0 and
6353         op1 whilst expanding the signed widenening multiply variant.
6354
6355 2005-03-15  Richard Sandiford  <rsandifo@redhat.com>
6356
6357         * toplev.c (display_target_options): Avoid unused variable warning if
6358         TARGET_SWITCHES and TARGET_OPTIONS are both undefined.
6359         * config/mips/mips.c (mips_arch_string, mips_tune_string): Make static.
6360         (mips_isa_string, mips_abi_string, mips_fix_vr4130_string): Delete.
6361         (mips_isa): Initialize to MIPS_ABI_DEFAULT.
6362         (mips_isa_info): New variable.
6363         (mips_parse_cpu): Remove the first argument and leave the caller
6364         to report errors.
6365         (TARGET_HANDLE_OPTION): Override default.
6366         (mips_handle_option): New function.  Move option validation code from...
6367         (override_options): ...here.  Update calls to mips_parse_cpu.
6368         * config/mips/mips.h (mips_arch_string, mips_tune_string)
6369         (mips_isa_string, mips_abi_string, TARGET_OPTIONS)
6370         (SUBTARGET_TARGET_OPTIONS): Delete.
6371         * config/mips/mips.opt (mabi=, march=, mflush-func=, mips)
6372         (mno-flush-func, mtune=): New options.
6373
6374 2005-03-15  Roger Sayle  <roger@eyesopen.com>
6375             Richard Henderson  <rth@redhat.com>
6376
6377         * real.c (c4x_single_format, c4x_extended_format): Provide values
6378         for signbit_ro for c4x's single and extended floating point formats.
6379         * optabs.c (expand_copysign): Use the floating point format's
6380         signbit_ro for expanding via expand_copysign_absneg, and it's
6381         signbit_rw field for expanding via expand_copysign_bit.
6382
6383 2005-03-15  Dorit Naishlos  <dorit@il.ibm.com>
6384
6385         * tree-vectorizer.h (unknown_alignment_for_access_p): Replaced by
6386         known_alignment_for_access_p.
6387         (known_alignment_for_access_p): New.
6388         (do_peeling_for_alignment): Field made int instead of bool and renamed
6389         to peeling_for_alignment.
6390         (LOOP_DO_PEELING_FOR_ALIGNMENT): Renamed to LOOP_PEELING_FOR_ALIGNMENT.
6391         * tree-vect-analyze.c (vect_determine_vectorization_factor): New. This
6392         functionality used to be in vect_analyze_operations.
6393         (vect_analyze_operations): Code to determine vectorization factor was
6394         moved to vect_determine_vectorization_factor.
6395         (vect_enhance_data_refs_alignment): Update to correct alignment when it
6396         is known instead of -1.  Set LOOP_PEELING_FOR_ALIGNMENT to peeling
6397         factor.
6398         (vect_analyze_loop): Call vect_determine_vectorization_factor (used to
6399         be part of vect_analyze_operations).
6400         * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Use fold when
6401         creating the guard condition, as the number of iterations may be
6402         constant.
6403         (slpeel_tree_peel_loop_to_edge): Use new name of
6404         LOOP_DO_PEELING_FOR_ALIGNMENT. Set it to 0 instead of false.
6405         * tree-vect-transform.c (vect_gen_niters_for_prolog_loop): Handle known
6406         alignment case more efficiently. Use LOOP_PEELING_FOR_ALIGNMENT.
6407         (vect_do_peeling_for_alignment): Use fold.
6408         (vect_transform_loop): Use new name of LOOP_DO_PEELING_FOR_ALIGNMENT.
6409
6410         (vect_update_inits_of_dr): Renamed to
6411         vect_update_init_of_dr.
6412         (vect_update_inits_of_drs): Use new name of vect_update_inits_of_dr.
6413         (vectorizable_store): Fix assertion to use == instead of =.
6414
6415 2005-03-15  Daniel Jacobowitz  <dan@codesourcery.com>
6416
6417         * config/arm/arm.h (CONDITIONAL_REGISTER_USAGE): Don't clear
6418         call_used_regs for wCG registers.
6419
6420 2005-03-15  Ulrich Weigand  <uweigand@de.ibm.com>
6421
6422         * config/s390/s390.c (s390_secondary_output_reload_class): Adapt check
6423         for non-offsettable memory references to cope with outstanding reload
6424         replacements, take 2.
6425
6426 2005-03-15  Uros Bizjak  <uros@kss-loka.si>
6427
6428         PR target/18668
6429         * config/i386/i386.h (x86_fisttp): New.
6430         (TARGET_FISTTP): New macro.
6431         * config/i386/i386.c (x86_fisttp): Set for NOCONA.
6432         (output_fix_trunc): Add fisttp parameter.  Generate fisttp x87
6433         instruction when fisttp flag is set.
6434         * config/i386/i386-protos.h (output_fix_trunc): Change declaration.
6435
6436         * config/i386/i386.md (type attribute): Add fisttp.
6437         (unit attribute): Set to i387 for fisttp type.
6438         (X87MODEF, X87MODEI, SSEMODEF, SSEMODEI24): New mode macros.
6439         (fix_truncxfdi2, fix_truncxfsi2): Generate fisttp patterns for
6440         TARGET_FISTTP.
6441         (fix_truncdfdi2, fix_truncsfdi2, fix_truncdfsi2, fix_truncsfsi2):
6442         Generate fisttp patterns for TARGET_FISTTP. Implement using mode
6443         macros.
6444         (fix_truncxfhi2, fix_truncdfhi2, fix_truncsfhi2): Generate fisttp
6445         patterns for TARGET_FISTTP.  Enable patterns for
6446         (TARGET_FISTTP && !TARGET_SSE_MATH). Implement using mode macros.
6447         (fix_trunc<mode>_i387_fisttp_1, fix_trunc<mode>_i387_fisttp,
6448         fix_trunc<mode>_i387_fisttp_with_temp): New instruction patterns to
6449         implement fisttp x87 insn.
6450         (fix_trunc*_i387_fisttp splitters): New patterns.
6451         (*fix_truncdi_i387, *fix_truncsi_i387, *fix_trunchi_i387):
6452         Rename to *fix_trunc<mode>_i387_1.  Implement using mode macros.
6453         Disable patterns for TARGET_FISTTP.  Add comment about FLAGS_REG
6454         clobber.
6455         (fix_truncdi_memory, fix_truncdi_nomemory, fix_trunchi_nomemory):
6456         Rename to fix_trunc<mode>_i387 and fix_trunc<mode>_i387_with_temp.
6457         Implement using mode macros. Disable patterns for TARGET_FISTTP.
6458         (fix_truncsi_memory, fix_truncsi_nomemory, fix_trunchi_memory,
6459         fix_trunchi_nomemory): Rename to fix_trunc<mode>_i387 and
6460         fix_trunc<mode>_i387_with_temp. Implement using mode macros.
6461         Disable patterns for TARGET_FISTTP.
6462         (fix_trunc*_i387 splitters): Implement usign mode macros.
6463         (fix_truncdfdi_sse, fix_truncsfdi_sse, fix_truncdfsi_sse,
6464         fix_truncsfsi_sse): Disable for (TARGET_FISTTP && !TARGET_SSE_MATH).
6465         (fix_trunx*_sse peephole2s): Implement using mode macros.
6466
6467 2005-03-15  J"orn Rennecke <joern.rennecke@st.com>
6468
6469         PR rtl-optimization/20291
6470         * combine.c (try_combine): If splitting fails, re-try with
6471         original combined pattern, i.e. before clobber stripping.
6472
6473 2005-03-14  Eric Christopher  <echristo@redhat.com>
6474
6475         * config/mips/mips.h (DWARF_CIE_DATA_ALIGNMENT): Change for
6476         STACK_GROWS_DOWNWARD.
6477
6478 2005-03-14  Roger Sayle  <roger@eyesopen.com>
6479
6480         * real.h (struct real_format): Split the signbit field into two
6481         two fields, signbit_ro and signbit_rw.
6482         * real.c (ieee_single_format, mips_single_format, ieee_double_format,
6483         mips_double_format, ieee_extended_motorola_format,
6484         ieee_extended_intel_96_format, ieee_extended_intel_96_round_53_format,
6485         ieee_extended_intel_128_format, ibm_extended_format,
6486         mips_extended_format, ieee_quad_format, mips_quad_format,
6487         vax_f_format, vax_d_format, vax_g_format, i370_single_format,
6488         i370_double_format, c4x_single_format, c4x_extended_format,
6489         real_internal_format): Update initializers for new field.
6490         * builtins.c (expand_builtin_signbit): Use signbit_ro field of the
6491         real_format structure.
6492         * optabs.c (expand_absneg_bit, expand_copysign): Use signbit_rw
6493         field of the real_format structure.
6494
6495 2005-03-14  Daniel Berlin <dberlin@dberlin.org>
6496
6497         Fix PR tree-optimization/20458
6498
6499         * tree-flow-inline.h (mark_call_clobbered): Don't fiddle
6500         DECL_EXTERNAL on STRUCT_FIELD tags.
6501         (clear_call_clobbered): Ditto.
6502         * tree-ssa-operands.c (note_addressable): Make sure the original
6503         variable doesn't slip into the addressable list if we have
6504         subvars.
6505         * tree-tailcall.c (suitable_for_tail_opt_p): Look at STRUCT_FIELD
6506         tags too.
6507
6508 2005-03-14  Geoffrey Keating  <geoffk@apple.com>
6509
6510         * doc/cppopts.texi (-fexec-charset): Add concept index entry.
6511         (-fwide-exec-charset): Likewise.
6512         (-finput-charset): Likewise.
6513         * doc/invoke.texi (Warning Options): Document -Wnormalized=.
6514         * c-opts.c (c_common_handle_option): Handle -Wnormalized=.
6515         * c.opt (Wnormalized): New.
6516
6517 2005-03-14  Devang Patel  <dpatel@apple.com>
6518
6519         * doc/invoke.texi: Add reference to Visibility document.
6520
6521 2005-03-14  Richard Sandiford  <rsandifo@redhat.com>
6522
6523         * config.gcc (mips*-*-*): Rename MASK_SPLIT_ADDRS to
6524         MASK_SPLIT_ADDRESSES.
6525         * config/mips/mips.h (target_flags, mips_fix_vr4130_string): Delete.
6526         (MASK_INT64, MASK_LONG64, MASK_SPLIT_ADDR, MASK_NO_FUSED_MADD)
6527         (MASK_EXPLICIT_RELOCS, MASK_MEMCPY, MASK_SOFT_FLOAT)
6528         (MASK_FLOAT64, MASK_ABICALLS, MASK_XGOT, MASK_LONG_CALLS)
6529         (MASK_64BIT, MASK_EMBEDDED_DATA, MASK_BIG_ENDIAN)
6530         (MASK_SINGLE_FLOAT, MASK_MAD, MASK_4300_MUL_FIX, MASK_MIPS16)
6531         (MASK_NO_CHECK_ZERO_DIV, MASK_BRANCHLIKELY)
6532         (MASK_UNINIT_CONST_IN_RODATA, MASK_FIX_R4000, MASK_FIX_R4400)
6533         (MASK_FIX_SB1, MASK_FIX_VR4120, MASK_VR4130_ALIGN)
6534         (MASK_FP_EXCEPTIONS, MASK_DIVIDE_BREAKS, MASK_PAIRED_SINGLE)
6535         (MASK_MIPS3D, MASK_SYM32, MASK_DEBUG, MASK_DEBUG_D)
6536         (MASK_MIPS_TFILE, TARGET_INT64, TARGET_LONG64, TARGET_FLOAT64)
6537         (TARGET_64BIT, TARGET_SPLIT_ADDRESSES, TARGET_DEBUG_MODE)
6538         (TARGET_DEBUG_D_MODE, TARGET_MEMCPY, TARGET_ABICALLS)
6539         (TARGET_XGOT, TARGET_SOFT_FLOAT, TARGET_HARD_FLOAT)
6540         (TARGET_LONG_CALLS, TARGET_EMBEDDED_DATA)
6541         (TARGET_UNINIT_CONST_IN_RODATA, TARGET_BIG_ENDIAN)
6542         (TARGET_SINGLE_FLOAT, TARGET_DOUBLE_FLOAT, TARGET_MAD)
6543         (TARGET_FUSED_MADD, TARGET_4300_MUL_FIX, TARGET_CHECK_ZERO_DIV)
6544         (TARGET_DIVIDE_TRAPS, TARGET_BRANCHLIKELY, TARGET_FIX_SB1)
6545         (TARGET_FIX_R4000, TARGET_FIX_R4400, TARGET_FIX_VR4120)
6546         (TARGET_FIX_VR4130, TARGET_VR4130_ALIGN, TARGET_FP_EXCEPTIONS)
6547         (TARGET_PAIRED_SINGLE_FLOAT, TARGET_MIPS3D, TARGET_SYM32)
6548         (TARGET_EXPLICIT_RELOCS): Delete.
6549         (TARGET_SWITCHES, SUBTARGET_TARGET_SWITCHES): Delete.
6550         (TARGET_OPTIONS): Remove entry for -mfix-vr4130.
6551         * config/mips/mips.c (TARGET_DEFAULT_TARGET_FLAGS): Define.
6552         (override_options): Set MASK_LONG64 if -mint64 is given and no
6553         -mlongXX option is.  Complain about -mint64 -mlong32.
6554         (override_options, CMP_BUILTINS, mips_bdesc, sb1_desc): Rename
6555         MASK_PAIRED_SINGLE to MASK_PAIRED_SINGLE_FLOAT.
6556         * config/mips/mips.opt: New file.
6557
6558 2005-03-14  Richard Sandiford  <rsandifo@redhat.com>
6559
6560         * config.gcc (extra_options): New variable for listing option files.
6561         Add ${cpu_type}/${cpu_type}.opt to it if that file exists.
6562         * configure.ac (extra_opt_files): New AC_SUBST variable.
6563         (tm_file_list, tm_include_list): Include options.h first.
6564         * configure: Regenerate.
6565         * Makefile.in (extra_opt_files, ALL_OPT_FILES): New variables.
6566         (s-options): Use $(ALL_OPT_FILES) instead of $(lang_opt_files)
6567         (s-options-h): New rule.
6568         (options.h): Depend on it.
6569         (TEXI_GCCINT_FILES): Add options.texi.
6570         * hooks.h (hook_bool_size_t_constcharptr_int_true): Declare.
6571         * hooks.c (hook_bool_size_t_constcharptr_int_true): New function.
6572         * target.h (gcc_target): Add default_target_flags and handle_option.
6573         * target-def.h (TARGET_DEFAULT_TARGET_FLAGS)
6574         (TARGET_HANDLE_OPTION): New macros.
6575         (TARGET_INITIALIZER): Include them.
6576         * opt-functions.awk (opt_args, nth_arg): New functions.
6577         (switch_flags): Handle the "Target" flag.
6578         (var_args): Delete.
6579         (var_name): Use opt_args and nth_arg.
6580         (var_set, var_ref): Likewise.  Handle "Mask" and "InverseMask".
6581         * opth-gen.awk: Declare target_flags.  Declare MASK_* and TARGET_*
6582         macros for the "Mask" and "InverseMask" options.
6583         * opts.h (cl_var_cond): New enum.
6584         (cl_option): Replace the "has_set_value" and "set_value" fields with
6585         "var_cond" and "var_value".
6586         (CL_TARGET): New macro.
6587         (option_enabled, print_filtered_help): Declare.
6588         (decode_options): Move definition.
6589         * opts.c (handle_option): Search for the original option before
6590         removing any "no-" prefix.  Handle CL_TARGET.  Adjust for the new
6591         var_cond and var_value fields.  Use targetm.handle_option to handle
6592         target options.
6593         (decode_options): Set target_flags to targetm.default_target_flags.
6594         (print_filtered_help): Make global.  Handle CL_TARGET.
6595         (option_enabled): New function.
6596         * toplev.c (target_switches): Guard with #ifdef TARGET_SWITCHES.
6597         (display_target_options, set_target_switch, print_switch_values)
6598         (default_pch_valid_p): Guard uses of target_switches with
6599         #ifdef TARGET_SWITCHES.  Also...
6600         (display_target_options): Display the CL_TARGET entries in cl_options.
6601         (set_target_option): Don't complain about the "" option when
6602         TARGET_SWITCHES is undefined.
6603         (print_switch_values): Use option_enabled.
6604         (default_pch_valid_p): Check cl_options[] when looking for something
6605         that has changed the value of target_flags.
6606         * c.opt: Remove documentation from top of file.
6607         * doc/gccint.texi: Add an "Options" chapter.  Include options.texi.
6608         * doc/sourecebuild.texi: Refer to the new options documentation
6609         instead of c.opt.  Document machine-specific .opt files.
6610         * doc/tm.texi (target_flags): Say that this variable is declared
6611         by options.h.
6612         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Document.
6613         (TARGET_SWITCHES, TARGET_OPTIONS): Refer to the option files as
6614         an alternative.
6615         * doc/options.texi: New file.
6616
6617 2005-03-14  Alexandre Oliva  <aoliva@redhat.com>
6618
6619         PR middle-end/18628
6620         * cse.c (fold_rtx_mem): Don't fold a load from a jumptable into a
6621         register.
6622
6623 2005-03-14  Alexandre Oliva  <aoliva@redhat.com>
6624
6625         PR c++/20280
6626         * gimplify.c (gimplify_cond_expr): Add fallback argument.  Use a
6627         temporary variable of pointer type if an lvalues is required.
6628         (gimplify_modify_expr_rhs): Request an rvalue from it.
6629         (gimplify_expr): Pass fallback on.
6630
6631 2005-03-14  Kazu Hirata  <kazu@cs.umass.edu>
6632
6633         * cfgbuild.c: Update comments.
6634
6635 2005-03-14  Roger Sayle  <roger@eyesopen.com>
6636
6637         PR rtl-optimization/17236
6638         * optabs.c (expand_doubleword_mult): New helper function split out
6639         from expand_binop.  Permute the order in which instructions are
6640         emitted to minimize the number of simultaneously live registers.
6641         (expand_binop): Call expand_doubleword_mult to synthesize a double
6642         word multiplication.
6643
6644 2005-03-14  Kazu Hirata  <kazu@cs.umass.edu>
6645
6646         * basic-block.h: Update the prototypes of cached_make_edge and
6647         rtl_make_eh_edge.
6648         * cfg.c (cached_make_edge): Take edge_cache representing one
6649         row of the adjacency matrix of edges.
6650         * cfgbuild.c (make_label_edge, rtl_make_eh_edge): Likewise.
6651         (make_edges): Initialize edge_cache to represent one row of
6652         the adjacency matrix of edges.
6653
6654 2005-03-14  Zdenek Dvorak  <dvorakz@suse.cz>
6655
6656         * tree-ssa-phiopt.c (minmax_replacement, blocks_in_phiopt_order):
6657         New functions.
6658         (tree_ssa_phiopt): Use blocks_in_phiopt_order and minmax_replacement.
6659         Remove unused removed_phis variable.
6660         (conditional_replacement): Use build1/build2.
6661         (abs_replacement): Use last_and_only_stmt and build1/build2.
6662
6663 2005-03-14  Zdenek Dvorak  <dvorakz@suse.cz>
6664
6665         * builtin-attrs.def (ATTR_NOVOPS, ATTR_NOVOPS_LIST,
6666         ATTR_PURE_NOTHROW_NOVOPS_LIST): New.
6667         * builtins.def (ATTR_MATHFN_FPROUNDING): Use NOVOPS.
6668         (BUILT_IN_PREFETCH): Set the NOVOPS attribute.
6669         * c-common.c (handle_novops_attribute): New function.
6670         (c_common_attribute_table): Add "no vops" entry.
6671         * c-decl.c (merge_decls): Copy DECL_IS_NOVOPS.
6672         * calls.c (flags_from_decl_or_type): Set ECF_NOVOPS.
6673         * tree-ssa-operands.c (get_call_expr_operands): Do not
6674         create virtual operands for calls with ECF_NOVOPS flag.
6675         * tree.h (DECL_IS_NOVOPS): New macro.
6676         (struct tree_decl): Add novops_flag.
6677         (ECF_NOVOPS): New constant.
6678
6679 2005-03-14  Uros Bizjak  <uros@kss-loka.si>
6680
6681         PR target/17688
6682         * config/i386/i386.c (x86_use_himode_fiop): New.
6683         (x86_use_simode_fiop): Rename from x86_use_fiop.
6684         * config/i386/i386.h (x86_use_himode_fiop): Declare.
6685         (TARGET_USE_HIMODE_FIOP): New.
6686         (x86_use_simode_fiop): Rename from x86_use_fiop.
6687         (TARGET_USE_SIMODE_FIOP): Rename from TARGET_USE_FIOP.
6688
6689         * config/i386/i386.md (X87MODEI12): New mode macro define.
6690         (*cmpfp_<mode>): Rename from *cmpfp_si.  Use X87MODEI12 mode macro
6691         to implement x87 FP compare with HImode input operands.
6692         (*fp_jcc_8<mode>_387, splitter): Rename from *fp_jcc_8_387.
6693         Use X87MODEI12 mode macro to handle HImode input operands.
6694         (*fop_sf_2<mode>_i387, *fop_sf_3<mode>_i387, *fop_df_2<mode>_i387,
6695         *fop_df_3<mode>_i387, *fop_xf_2<mode>_i387, *fop_xf_3<mode>_i387):
6696         Renamed from *fop_sf_2_i387, *fop_sf_3_i387, *fop_df_2_i387,
6697         *fop_df_3_i387, *fop_xf_2_i387, *fop_xf_3_i387. Use X87MODEI12 mode
6698         macro to implement x87 operators with HImode input operands.
6699         (fop splitters): Use X87MODEI12 mode macro to handle HImode
6700         input operands.
6701
6702 2005-03-14  Zdenek Dvorak  <dvorakz@suse.cz>
6703
6704         * tree-cfg.c (find_taken_edge_cond_expr): Use zero_p instead of
6705         integer_zerop.
6706         * tree-gimple.c (is_gimple_min_invariant): Consider overflowed
6707         constants invariant.
6708
6709 2005-03-14  Zdenek Dvorak  <dvorakz@suse.cz>
6710
6711         * basic-block.h (BB_VISITED): Removed.
6712         * cfganal.c (dfs_enumerate_from): Do not use BB_VISITED flag.
6713
6714 2005-03-14  Falk Hueffner  <falk@debian.org>
6715
6716         PR bootstrap/20424
6717         * config/alpha/alpha.c (alpha_fold_builtin_cmpbge): Fix typo.
6718
6719 2005-03-14  Kazu Hirata  <kazu@cs.umass.edu>
6720
6721         * ggc-zone.c: Fix comment typos.
6722
6723         * alloc-pool.c, except.h, ggc-common.c, ggc-zone.c, ggc.h,
6724         stringpool.c, config/mips/mips-protos.h: Update copyright.
6725
6726 2005-03-14  Alan Modra  <amodra@bigpond.net.au>
6727
6728         * config/rs6000/rs6000-protos.h: Replace "struct rtx_def *"
6729         throughout with its typedef, "rtx".
6730         * config/rs6000/rs6000.c: Likewise.  Formatting fixes.
6731         (rs6000_tls_symbol_ref_1): Remove inline keyword.
6732         * config/rs6000/rs6000.h (REG_ALLOC_ORDER): Formatting.  Reorder
6733         regs in comment to match code.
6734
6735 2005-03-14  Kazu Hirata  <kazu@cs.umass.edu>
6736
6737         * except.c (check_handled): Make it static.
6738         * except.h: Remove the corresponding prototype.
6739
6740         * function.c (get_func_frame_size): Make it static.
6741         * function.h: Remove the corresponding type.
6742
6743         * regclass.c (reg_class_superclasses, reg_class_subclasses):
6744         Make them static.
6745         * hard-reg-set.h: Remove the corresponding declarations.
6746
6747         * tree-cfg.c (verify_stmts): Check that
6748         bb_for_stmt (stmt) == bb for every PHI node and statement.
6749
6750 2005-03-14  Alan Modra  <amodra@bigpond.net.au>
6751
6752         * config.gcc: Remove excess indentation.
6753         (powerpc*-*-*, rs6000-*-*): Accept --with-cpu/tune power5 and 8548.
6754
6755 2005-03-13  Roger Sayle  <roger@eyesopen.com>
6756
6757         PR middle-end/19331
6758         * tree.c (get_unwidened): Treat CONVERT_EXPR and NOP_EXPR identically.
6759         * fold-const.c (fold_sign_changed_comparison): Likewise.
6760         (fold_binary): Optimize comparisons against widened operands if
6761         the extension is represented by a CONVERT_EXPR, same as a NOP_EXPR.
6762
6763 2005-03-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
6764
6765         * config/sparc/sparc.c (struct_value_alias_set): New global variable.
6766         (sparc_override_options): Initialize it.
6767         (sparc_struct_value_rtx): Set it on the MEM to be returned.
6768
6769 2005-03-13  David Edelsohn  <edelsohn@gnu.org>
6770
6771         * config/rs6000/predicates.md (mem_or_easy_const_operand): Delete.
6772         (reg_or_none500mem_operand): New predicate.
6773         (zero_reg_mem_operand): New predicate.
6774         * config/rs6000/rs6000.md (extendsfdf2): Change operand1 predicate
6775         to reg_or_none500mem_operand.
6776         (extendsfdf2_fpr): Add MEM alternative.
6777         (extenddftf2_internal): Change operand2 predicate to
6778         zero_reg_mem_operand.
6779
6780 2005-03-13  Daniel Jacobowitz  <dan@codesourcery.com>
6781
6782         * ggc-zone.c: Rewritten.
6783
6784         * alloc-pool.c (dump_alloc_pool_statistics): Don't print statistics
6785         if there are none.
6786         * configure.ac: Define GGC_ZONE for --with-gc=zone.
6787         * config.in: Regenerated.
6788         * configure: Regenerated.
6789         * gengtype.c (write_types_process_field, write_func_for_structure):
6790         Pass new argument to gt_pch_note_object.
6791         * ggc-common.c (struct ptr_data): Add TYPE.
6792         (gt_pch_note_object): Take TYPE argument and save it.
6793         (call_count): Update call to ggc_pch_count_object.
6794         (call_alloc): Update call to ggc_pch_alloc_object.
6795         (gt_pch_save): Call ggc_pch_prepare_write after paddng the PCH
6796         file.
6797         * ggc-none.c (rtl_zone, garbage_zone, ggc_alloc_zone_stat): Delete.
6798         * ggc-page.c (rtl_zone, tree_zone, garbage_zone)
6799         (ggc_alloc_zone_stat): Delete.
6800         (ggc_pch_count_object, ggc_pch_alloc_object): Add TYPE argument.
6801         * ggc.h (gt_pch_note_object, ggc_pch_count_object)
6802         (ggc_pch_alloc_object): Update prototypes.
6803         (garbage_zone): Delete.
6804         (tree_zone, rtl_zone, ggc_alloc_zone_stat, ggc_alloc_zone): Move to
6805         GGC_ZONE conditional.  Update.  Change tree_zone and rtl_zone into
6806         pointers.
6807         (tree_id_zone): New variable.
6808         (ggc_alloc_cleared_zone): Remove unused.
6809         (ggc_alloc_zone): Define.
6810         (ggc_alloc_rtvec, ggc_alloc_tree): Update to use ggc_alloc_zone.
6811         * rtl.c (rtx_alloc_stat, shallow_copy_rtx_stat): Use
6812         ggc_alloc_zone_stat.
6813         * stringpool.c (gt_pch_n_S): Update call to gt_pch_note_object.
6814         * tree.c (copy_node_stat, make_tree_binfo_stat, make_tree_vec_stat)
6815         (tree_cons_stat, build1_stat): Update call to ggc_alloc_zone_stat.
6816         (make_node_stat): Likewise.  Use tree_id_zone.
6817
6818 2005-03-13  Daniel Jacobowitz  <dan@codesourcery.com>
6819             Joseph S. Myers  <joseph@codesourcery.com>
6820
6821         * configure.ac: Check for MIPS TLS.
6822         * configure: Regenerated.
6823         * config/mips/mips-protos.h (enum mips_symbol_type): Add
6824         SYMBOL_TLS, SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL,
6825         SYMBOL_GOTTPREL, and SYMBOL_TPREL.
6826         * config/mips/mips.c (mips_regno_to_class): Handle V1_REG.
6827         (TARGET_HAVE_TLS, TARGET_CANNOT_FORCE_CONST_MEM): Define.
6828         (mips_classify_symbol, mips_symbolic_constant_p)
6829         (mips_symbolic_address_p, mips_symbol_insns): Handle TLS symbols.
6830         (mips_tls_operand_p, mips_call_tls_get_addr)
6831         (mips_legitimize_tls_address, mips_cannot_force_const_mem)
6832         (mips_tls_symbol_ref_1): New functions.
6833         (mips_legitimize_address, mips_legitimize_const_move): Call
6834         mips_legitimize_tls_address.
6835         (override_options): Handle V1_REG and TLS symbols.  Disable TLS
6836         for MIPS16.
6837         * config/mips/mips.h (enum reg_class, REG_CLASS_NAMES)
6838         (REG_CLASS_CONTENTS, GR_REG_CLASS_P): Include V1_REG.
6839         (mips_char_to_class): Document V1_REG.
6840         (HAVE_AS_TLS): Provide default.
6841         * config/mips/mips.md (UNSPEC_TLS_LDM, UNSPEC_TLS_GET_TP): New
6842         constants.
6843         (load_got<mode>): Renamed from *load_got<mode>.  Allow when
6844         !TARGET_ABICALLS.
6845         (tls_get_tp_<mode>): New instruction.
6846
6847 2005-03-13  Daniel Jacobowitz  <dan@codesourcery.com>
6848
6849         * configure.ac: Update checks for target tools.
6850         * configure: Regenerated.
6851
6852 2005-03-13  Daniel Jacobowitz  <dan@codesourcery.com>
6853
6854         * varasm.c (decl_tls_model): Check flag_shlib instead of flag_pic.
6855
6856 2005-03-13  Roger Sayle  <roger@eyesopen.com>
6857
6858         * expmed.c (expand_mult): Use synthetic multiplication sequences for
6859         more classes of DImode multiplication by constant.  Allow both
6860         multiplication by small negative constants (by performing a
6861         multiplication by a positive constant and negating the result) and
6862         multiplications by large powers of two, by using a left shift.
6863
6864 2005-03-13  Kazu Hirata  <kazu@cs.umass.edu>
6865
6866         * tree-into-ssa.c (find_idf): Speed up by putting the indexes
6867         of basic blocks into work_stack.
6868
6869         * builtin-attrs.def, c-lex.c, c-pragma.h, reg-stack.c,
6870         config/mips/vr.h: Update copyright.
6871
6872         * c-decl.c (c_init_decl_processing): Remove useless calls to
6873         build_function_type.
6874
6875         * builtins.c (fold_trunc_transparent_mathfn,
6876         fold_fixed_mathfn, fold_builtin_atan, fold_builtin_trunc,
6877         fold_builtin_floor, fold_builtin_ceil, fold_builtin_round,
6878         fold_builtin_lround, fold_builtin_bitop, fold_builtin_memcpy,
6879         fold_builtin_strcpy, fold_builtin_strncpy,
6880         fold_builtin_signbit): Use TYPE (TYPE (fndecl)) instead of
6881         TREE_TYPE (exp).
6882
6883         * builtins.c (expand_builtin_mathfn_3): Remove local variable
6884         before_call.
6885
6886         * lambda-code.c (lambda_compute_auxillary_space): Remove local
6887         variable determinant.
6888
6889         * tree-cfg.c (group_case_labels): Remove local variable type.
6890
6891         * tree-ssa-live.c (build_tree_conflict_graph): Remove local
6892         variable ann.
6893
6894         * tree-ssa-phiopt.c (value_replacement): Remove local variable
6895         result.
6896
6897 2005-03-13  Andy Hutchinson  <HutchinsonAndy@netscape.net>
6898
6899         PR target/18251
6900         * config/avr/avr.md (movmemhi): Rewrite as RTL loop.
6901         (*movmemqi_insn): Delete.
6902         (*movmemhi): Delete.
6903
6904 2005-03-13  Kazu Hirata  <kazu@cs.umass.edu>
6905
6906         * builtins.c (fold_builtin_classify): Take decomposed
6907         arguments of CALL_EXPR.
6908         (fold_builtin_1): Update a call to fold_builtin_classify.
6909
6910 2005-03-13  Joseph S. Myers  <joseph@codesourcery.com>
6911
6912         PR c/20402
6913         * c-parser.c (c_parser_struct_or_union_specifier): Don't fall
6914         through into call to parser_xref_tag after parse error.
6915         (c_parser_struct_declaration): Consistently return NULL_TREE on
6916         error.
6917
6918 2005-03-12  Daniel Berlin  <dberlin@dberlin.org>
6919
6920         * tree-flow-inline.h (ref_contains_array_ref): New function.
6921         (lookup_subvars_for_var): Ditto.
6922         (get_subvars_for_var): Ditto.
6923         (var_can_have_subvars): Ditto.
6924
6925         * tree-flow.h (mem_tag_kind): Add STRUCT_FIELD.
6926         (struct subvar): New type.
6927
6928         * tree-dfa.c (okay_component_ref_for_subvars): New function.
6929
6930         * tree-optimize.c (init_tree_optimization_passes): Call
6931         pass_create_structure_vars.
6932
6933         * tree-ssa-alias.c: Include vec.h.
6934         (init_alias_info): Don't auto-clear call clobbered on struct-field
6935         tags.
6936         (compute_flow_insensitive_aliasing): Handle subvars.
6937         (group_aliases): Handle STRUCT_FIELD aliases.
6938         (setup_pointers_and_addressables): Ditto.
6939         Don't mark variables non-addressable if they still have
6940         addressable subvars.
6941         Also mark subvars addressable when the real variable is marked
6942         addressable.
6943         (add_pointed_to_var): Try to prune the pointed-to set by only
6944         pointing to subvars when possible.
6945         Otherwise, make sure we set addresses_needed and pt_vars to
6946         properly include subvars.
6947         (bitpos_of_field): New function.
6948         (push_fields_onto_fieldstack): Ditto.
6949         (get_or_create_used_part_for): Ditto.
6950         (create_overlap_variables_for): Ditto.
6951         (find_used_portions): Ditto.
6952         (create_structure_vars): Ditto.
6953         (pass_create_structure_vars): New structure.
6954
6955         * tree-ssa-operands.c (finalize_ssa_v_must_defs): Remove assert.
6956         (get_expr_operands): Handle subvars.  Also try to turn
6957         COMPONENT_REF accesses into must-defs now that we can accurately
6958         portray it.
6959         (note_addressable): Try to only mark as addressable those subvars
6960         we know a COMPONENT_REF touches.
6961         (overlap_subvar): New function.
6962
6963         * tree-vect-analyze.c (vect_object_analysis): Add new parameter.
6964         Handle subvar storing.
6965         (vect_address_analysis): Update caller of vect_object_analysis.
6966
6967         * tree-vect-transform.c (vect_create_data_ref_ptr): Copy subvars.
6968
6969         * tree-vectorizer.h (struct _stmt_vec_info): Add subvars member.
6970         (STMT_VINFO_SUBVARS): New macro.
6971
6972         * common.opts: add flag_tree_salias.
6973
6974         * opts.c (decode_options): flag_tree_salias defaults to on.
6975
6976         * doc/invoke.texi: Document fdump-tree-svars and -ftree-salias.
6977
6978         * doc/tree-ssa.texi: Document structural alias analysis.
6979
6980 2005-03-12  Steven Bosscher  <stevenb@suse.de>
6981
6982         * tree-cfg.c (make_goto_expr_edges): Don't use error_mark_node.
6983         * tree-ssa-dce.c (mark_stmt_necessary): Don't check for it.
6984         * tree-ssa-operands.c (get_expr_operands): Likewise.
6985         (get_expr_operands): Likewise for ERROR_MARK.
6986
6987 2005-03-12  Kazu Hirata  <kazu@cs.umass.edu>
6988
6989         * tree-ssa.c (kill_redundant_phi_nodes): Remove local variable
6990         var.
6991
6992         * tree-ssa-phiopt.c (tree_ssa_phiopt): Remove local variable
6993         removed_phis.
6994
6995         * tree-ssa-pre.c (compute_avail): Remove local variable val.
6996         (mark_operand_necessary): Remove local variable ver.
6997
6998         * tree-vect-transform.c (vect_get_new_vect_var): Remove local
6999         variable prefix_len.
7000
7001         * value-prof.c (mod_subtract_transform): Remove local variable
7002         value.
7003
7004         * builtins.c (fold_builtin_exponent): Take decomposed
7005         arguments of CALL_EXPR.
7006         (fold_builtin_1): Update a call to fold_builtin_exponent.
7007
7008         * builtins.c (fold_builtin_logarithm): Take decomposed
7009         arguments of CALL_EXPR.
7010         (fold_builtin_1): Update a call to fold_builtin_logarithm.
7011
7012         * c-decl.c (c_init_decl_processing): Remove local variables
7013         ptr_ftype_void and ptr_ftype_ptr.
7014
7015         * gimplify.c (gimplify_expr): Remove local variables r0 and
7016         r1.
7017
7018         * reg-stack.c (move_for_stack_reg): Remove local variable
7019         push_insn.
7020         (compare_for_stack_reg): Remove local variable flags_user.
7021         (convert_regs_1): Remove local variable deleted.
7022
7023         * tree-if-conv.c (tree_if_convert_cond_expr): Remove local
7024         variable new_cond.
7025         (combine_blocks): Remove local variables exits and new_e.
7026
7027         * tree-inline.c (expand_call_inline): Remove local variable
7028         decl.
7029
7030         * tree-ssa-live.c (create_ssa_var_map,
7031         calculate_live_on_entry): Remove local variable snn.
7032
7033 2005-03-12  Geoffrey Keating  <geoffk@apple.com>
7034
7035         * c-lex.c (c_lex_with_flags): Add parameter to call to
7036         cpp_spell_token.
7037
7038 2005-03-11  Per Bothner  <per@bothner.com>
7039
7040         * c-tree.h (struct c_declarator): New id_loc field.
7041         * c-pragma.h (c_lex_with_flags): Take position reference.
7042         * c-lex.c (c_lex_with_flags): Set passed-in location from cpp token,
7043         iff USE_MAPPED_LOCATION. (Type doesn't match otherwise.)
7044         (c_lex): Pass dummy location to c_lex_with_flags.
7045         * c-parser.c (c_lex_one_token): Set c_token's location using
7046         c_lex_with_flags, instead of input_location, which might be "ahead".
7047         (c_parser_direct_declarator): Set declarator's id_loc from
7048         c_token's id_loc.
7049         * c-decl.c (grokdeclarator): Set DECL_SOURCE_LOCATION from
7050         declarator's id_loc, rather than probably-imprecise input_location.
7051         (build_id_declarator): Initialize c_declarator's id_loc field.
7052
7053 2005-03-11  Roger Sayle  <roger@eyesopen.com>
7054
7055         PR middle-end/20419
7056         * builtins.c (expand_builtin_signbit): Force the signbit's word
7057         into an integer register to avoid SUBREGs of floating point modes.
7058
7059 2005-03-12  Kazu Hirata  <kazu@cs.umass.edu>
7060
7061         * cfglayout.c, loop-doloop.c, profile.c, target-def.h,
7062         target.h, targhooks.c, tracer.c, tree-ssa-loop-ch.c,
7063         tree-ssa-loop-unswitch.c, tree-ssa-loop.c, vec.c, vmsdbgout.c,
7064         config/m32r/m32r.md, config/xtensa/xtensa.h: Update copyright.
7065
7066 2005-03-11  David Edelsohn  <edelsohn@gnu.org>
7067
7068         PR rtl-optimization/20306
7069         * expr.c (emit_move_complex): Set try_int false if mode is
7070         MODE_COMPLEX_FLOAT and mov_optab exists for inner mode.  Only try
7071         emit_block_move if try_int is true.
7072
7073 2005-03-11  Richard Henderson  <rth@redhat.com>
7074
7075         PR target/20415
7076         * config/i386/mmx.md (vec_dupv4hi): Fix predicate.
7077         * config/i386/i386.c (ix86_expand_vector_init_duplicate): Update
7078         to match.
7079
7080 2005-03-11  Richard Sandiford  <rsandifo@redhat.com>
7081
7082         * config/mips/mips.h (mips_fix_vr4130_string): Declare.
7083         (TARGET_FIX_VR4130): New macro.
7084         (TARGET_OPTIONS): Add -mfix-vr4130.
7085         (ISA_HAS_MACCHI): New macro.
7086         (ASM_SPEC): Add -mfix-vr4130.
7087         * config/mips/mips.c (mips_fix_vr4130_string): New variable.
7088         (override_options): Handle mips_fix_vr4130_string.
7089         (mips_avoid_hazards): Clear all_noreorder_p
7090         if we're working around VR4130 errata and the macc alternatives
7091         are not available.
7092         * config/mips/mips.md (mfhilo_<mode>): Turn into a define_expand.
7093         (*mfhilo_<mode>, *mfhilo_<mode>_macc): New insns.
7094         * config/mips/vr.h (DEFAULT_VR_ARCH): Set to mfix-vr4130.
7095         (MULTILIB_DEFAULTS): Remove leading "march=".
7096         (DRIVER_SELF_SPECS): Likewise.  Make -mfix-vr4130 imply -march=vr4130
7097         if no architecture option is given.
7098         * config/mips/t-vr (MULTILIB_OPTIONS): Use -mfix-vr4130 for the
7099         VR4130 multilibs.
7100         (MULTILIB_MATCHES): Map -march=vr4130 to the -mfix-vr4130 multilibs.
7101         * doc/invoke.texi: Document -mfix-vr4130.
7102
7103 2005-03-11  Richard Sandiford  <rsandifo@redhat.com>
7104
7105         * config/mips/mips.c (override_options): Only warn about -mint64
7106         deprecation if TARGET_INT64.
7107
7108 2005-03-11  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
7109
7110         * builtin-attrs.def (ATTR_NONNULL_LIST, ATTR_NOTHROW_NONNULL,
7111         ATTR_CONST_NOTHROW_NONNULL, ATTR_PURE_NOTHROW_NONNULL,
7112         ATTR_MALLOC_NOTHROW_NONNULL): New "nonnull" attribute lists which
7113         are non-specific regarding the nonnull parameter positions.
7114         (ATTR_NONNULL_1_2, ATTR_NONNULL_1_4, ATTR_NOTHROW_NONNULL_1_2,
7115         ATTR_NOTHROW_NONNULL_1_4, ATTR_CONST_NOTHROW_NONNULL_1,
7116         ATTR_PURE_NOTHROW_NONNULL_1, ATTR_PURE_NOTHROW_NONNULL_1_2,
7117         ATTR_MALLOC_NOTHROW_NONNULL_1): Delete.
7118
7119         * builtins.def: Use the non-specific "nonnull" attibute lists.
7120
7121 2005-03-11  Zdenek Dvorak  <dvorakz@suse.cz>
7122
7123         * basic-block.h (single_succ_p, single_pred_p, single_succ_edge,
7124         single_pred_edge, single_succ, single_pred): Improve comments.
7125
7126 2005-03-11  Zdenek Dvorak  <dvorakz@suse.cz>
7127
7128         * basic-block.h (single_succ_p, single_pred_p, single_succ_edge,
7129         single_pred_edge, single_succ, single_pred): New inline functions.
7130         * bb-reorder.c (rotate_loop, find_traces_1_round,
7131         add_labels_and_missing_jumps, fix_up_fall_thru_edges,
7132         duplicate_computed_gotos): Use the single_succ/pred functions.
7133         * cfganal.c (forwarder_block_p): Ditto.
7134         * cfgbuild.c (compute_outgoing_frequencies): Ditto.
7135         * cfgcleanup.c (try_simplify_condjump, try_forward_edges,
7136         outgoing_edges_match, try_crossjump_to_edge, try_optimize_cfg,
7137         merge_seq_blocks): Ditto.
7138         * cfghooks.c (split_edge, tidy_fallthru_edges): Ditto.
7139         * cfglayout.c (fixup_reorder_chain): Ditto.
7140         * cfgloop.c (mark_single_exit_loops, update_latch_info,
7141         canonicalize_loop_headers, verify_loop_structure): Ditto.
7142         * cfgloopmanip.c (remove_path, unloop, loop_delete_branch_edge,
7143         mfb_update_loops, create_preheader, force_single_succ_latches,
7144         create_loop_notes): Ditto.
7145         * cfgrtl.c (rtl_can_merge_blocks, try_redirect_by_replacing_jump,
7146         force_nonfallthru_and_redirect, rtl_tidy_fallthru_edge,
7147         commit_one_edge_insertion, purge_dead_edges,
7148         cfg_layout_can_merge_blocks_p): Ditto.
7149         * except.c (sjlj_emit_function_enter): Ditto.
7150         * flow.c (init_propagate_block_info): Ditto.
7151         * function.c (thread_prologue_and_epilogue_insns): Ditto.
7152         * gcse.c (find_implicit_sets, bypass_conditional_jumps,
7153         insert_insn_end_bb): Ditto.
7154         * ifcvt.c (merge_if_block, find_if_block, find_if_case_1,
7155         find_if_case_2): Ditto.
7156         * lambda-code.c (perfect_nestify): Ditto.
7157         * lcm.c (optimize_mode_switching): Ditto.
7158         * loop-doloop.c (doloop_modify): Ditto.
7159         * loop-init.c (loop_optimizer_init): Ditto.
7160         * loop-iv.c (simplify_using_initial_values): Ditto.
7161         * loop-unroll.c (unroll_loop_runtime_iterations): Ditto.
7162         * loop-unswitch.c (unswitch_loop): Ditto.
7163         * modulo-sched.c (generate_prolog_epilog): Ditto.
7164         * predict.c (combine_predictions_for_insn, estimate_probability,
7165         tree_estimate_probability, last_basic_block_p,
7166         estimate_bb_frequencies): Ditto.
7167         * profile.c (branch_prob): Ditto.
7168         * regrename.c (copyprop_hardreg_forward): Ditto.
7169         * sched-rgn.c (is_cfg_nonregular, find_rgns, update_live): Ditto.
7170         * tracer.c (layout_superblocks): Ditto.
7171         * tree-cfg.c (tree_can_merge_blocks_p, tree_merge_blocks,
7172         cfg_remove_useless_stmts_bb, cleanup_control_flow,
7173         cleanup_control_expr_graph, disband_implicit_edges,
7174         tree_find_edge_insert_loc, bsi_commit_edge_inserts,
7175         tree_verify_flow_info, tree_make_forwarder_block,
7176         tree_forwarder_block_p, remove_forwarder_block,
7177         remove_forwarder_block_with_phi, merge_phi_nodes): Ditto.
7178         * tree-if-conv.c (tree_if_conversion): Ditto.
7179         * tree-mudflap.c (mf_build_check_statement_for): Ditto.
7180         * tree-ssa-dce.c (remove_dead_stmt): Ditto.
7181         * tree-ssa-dom.c (dom_opt_finalize_block): Ditto.
7182         * tree-ssa-loop-ch.c (should_duplicate_loop_header_p,
7183         copy_loop_headers): Ditto.
7184         * tree-ssa-loop-im.c (loop_commit_inserts): Ditto.
7185         * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Ditto.
7186         * tree-ssa-loop-manip.c (split_loop_exit_edge, ip_normal_pos,
7187         lv_adjust_loop_entry_edge, tree_ssa_loop_version): Ditto.
7188         * tree-ssa-loop-niter.c (simplify_using_initial_conditions): Ditto.
7189         * tree-ssa-loop-unswitch.c (simplify_using_entry_checks): Ditto.
7190         * tree-ssa-phiopt.c (tree_ssa_phiopt, value_replacement): Ditto.
7191         * tree-ssa-pre.c (compute_antic_aux, insert_aux, init_pre): Ditto.
7192         * tree-ssa-threadupdate.c (redirect_edges): Ditto.
7193         * tree-tailcall.c (independent_of_stmt_p, find_tail_calls,
7194         eliminate_tail_call, tree_optimize_tail_calls_1): Ditto.
7195         * tree-vect-analyze.c (vect_analyze_loop_form): Ditto.
7196         * tree-vect-transform.c (vect_update_ivs_after_vectorizer): Ditto.
7197         * tree-vectorizer.c (slpeel_update_phi_nodes_for_guard,
7198         slpeel_add_loop_guard): Ditto.
7199
7200 2005-03-11  James A. Morrison  <phython@gcc.gnu.org>
7201
7202         PR tree-optimization/15784
7203         * fold-const.c (fold): Fold ~A + 1 to -A.  Fold -A - 1
7204         and -1 - A to ~A.
7205
7206         * stmt.c (expand_case): Don't change index_type.  Convert minval
7207         to the proper type.
7208
7209         PR tree-optimization/20130
7210         * fold-const.c (fold): Fold x * -1 into -x.
7211
7212 2005-03-11  Kaz Kojima  <kkojima@gcc.gnu.org>
7213
7214         PR rtl-optimization/20331
7215         * rtlanal.c (modified_between_p): Check its address first for MEM.
7216         (modified_in_p): Likewise.
7217
7218 2005-03-11  Joseph S. Myers  <joseph@codesourcery.com>
7219
7220         * config.gcc (hppa*64*-*-hpux11*): Use pa/t-hpux-shlib.
7221
7222 2005-03-10  Steven Bosscher  <stevenb@suse.de>
7223
7224         * expr.c (expand_expr_real_1): If possible, use a conditional
7225         move for expanding MIN_EXPR and MAX_EXPR.
7226         Use temp for moving around rtx-en.
7227
7228 2005-03-10  Andrew Pinski  <pinskia@physics.uc.edu>
7229
7230         PR rtl-opt/20412
7231         * simplify-rtx.c (simplify_relational_operation_1): Fix typo - check the
7232         correct mode.
7233
7234 2005-03-10  Roger Sayle  <roger@eyesopen.com>
7235
7236         * builtins.c (expand_builtin_signbit): Extend to handle floating
7237         point modes wider than the largest integer type, using the
7238         operand_subword_force function to obtain the signbit's word.
7239
7240 2005-03-10  Jakub Jelinek  <jakub@redhat.com>
7241
7242         PR target/20322
7243         * combine.c (try_combine): If recog_for_combine added CLOBBERs
7244         to NEWI2PAT, fail to combine if they are used by NEWPAT.
7245
7246 2005-03-10  Aldy Hernandez  <aldyh@redhat.com>
7247
7248         * doc/invoke.texi: Add 8540 to list of cpus in rs6000 cpu section.
7249
7250 2005-03-10  Kazu Hirata  <kazu@cs.umass.edu>
7251
7252         * tree-outof-ssa.c (analyze_edges_for_bb): Make the return
7253         type void.
7254         (perform_edge_inserts): Unconditionally call
7255         free_dominator_info.
7256
7257         * tree-outof-ssa.c (analyze_edges_for_bb): Update a comment.
7258
7259 2005-03-10  Bob Wilson  <bob.wilson@acm.org>
7260
7261         * config/xtensa/xtensa.h (MEMBER_TYPE_FORCES_BLK): Define.
7262
7263 2005-03-10  Nathan Sidwell  <nathan@codesourcery.com>
7264
7265         * bitmap.c (bitmap_copy): Remove manual loop unrolling.
7266
7267         * value-prof.c (rtl_find_values_to_profile): Use gcc_assert and
7268         gcc_unreachable.
7269         (rtl_register_value_prof_hooks,
7270         tree_value_profile_transformations,
7271         tree_register_value_prof_hooks): Likewise.
7272         * var-tracking.c (stack_adjust_offset_pre_post,
7273         variable_htab_free, variable_union, dataflow_set_different_2,
7274         count_uses, variable_was_changed, set_frame_base_location,
7275         set_variable_part, emit_note_insn_var_location, vt_emit_notes,
7276         vt_add_function_parameters): Likewise.
7277         * varasm.c (named_section_real, named_section, make_decl_rtl,
7278         asm_emit_uninitialised, assemble_integer, decode_addr_const,
7279         const_hash_1, compare_constant, copy_constant, force_const_mem,
7280         output_constant_pool_2, output_constant_pool_1, output_constant,
7281         output_constructor, make_decl_one_only, decl_tls_model,
7282         default_no_named_section, default_elf_select_section_1,
7283         default_unique_section_1): Likewise.
7284         * vec.c (vec_gc_o_reserve, vec_heap_o_reserve): Likewise.
7285         * vmsdbgout.c (addr_const_to_string): Likewise.
7286
7287         PR c++/20375
7288         * function.c (struct assign_parm_data_one): Remove last_named
7289         field.
7290         (assign_parm_find_data_types): Don't determine last_named.
7291         Reorder named_parm determination.
7292         (assign_parms): Only setup varargs on the last non-varadic
7293         parameter.
7294
7295 2005-03-10  Kazuhiro Inaoka  <inaoka.lazuhiro@renesas.com>
7296
7297         * config/m32r/m32r.md (load_sda_base_32): New pattern.  Loads
7298         sda base address on medium model.
7299
7300 2005-03-10  Zdenek Dvorak  <dvorakz@suse.cz>
7301
7302         * Makefile.in (tree-optimize.o): Add CFGLOOP_H dependence.
7303         * cfgloop.c (flow_loop_nodes_find): Export.
7304         * cfgloop.h (flow_loop_nodes_find, fix_loop_structure):
7305         Declare.
7306         * cfgloopmanip.c (fix_loop_structure): New function.
7307         * predict.c (predict_loops): Clean up the loops information.
7308         * tree-cfg.c (cleanup_tree_cfg_loop): New function.
7309         (tree_can_merge_blocks_p, remove_bb, tree_forwarder_block_p): Respect
7310         loop structure.
7311         * tree-flow.h (cleanup_tree_cfg_loop): Declare.
7312         (rewrite_into_loop_closed_ssa): Declaration changed.
7313         * tree-loop-linear.c (linear_transform_loops): Add argument to
7314         rewrite_into_loop_closed_ssa call.
7315         * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
7316         * tree-ssa-loop-im.c (move_computations): Ditto.
7317         * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
7318         * tree-vectorizer.c (vectorize_loops): Ditto.
7319         * tree-optimize.c: Include cfgloop.h.
7320         (execute_todo): Choose whether to call cleanup_tree_cfg or
7321         cleanup_tree_cfg_loop.
7322         * tree-ssa-loop-ivcanon.c (canonicalize_loop_induction_variables,
7323         (tree_unroll_loops_completely): Enable cleanup_tree_cfg_loop call.
7324         * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Enable
7325         cleanup_tree_cfg_loop call.
7326         * tree-ssa-loop-manip.c (find_uses_to_rename_bb): New function.
7327         (find_uses_to_rename, rewrite_into_loop_closed_ssa): Support
7328         work on part of cfg.
7329
7330 2005-03-10  Jakub Jelinek  <jakub@redhat.com>
7331
7332         PR inline-asm/20314
7333         * gimplify.c (gimplify_asm_expr): Handle input/output constraints
7334         with multiple alternatives.
7335
7336         * stmt.c (parse_output_constraint): Fix a typo.
7337
7338 2005-03-09  Bob Wilson  <bob.wilson@acm.org>
7339
7340         * config/xtensa/xtensa.h (TRAMPOLINE_TEMPLATE): Use "no-transform"
7341         assembly directive instead of deprecated "no-generics".
7342
7343 2005-03-09  Ulrich Weigand  <uweigand@de.ibm.com>
7344
7345         * config/s390/s390.c (s390_secondary_output_reload_class): Adapt check
7346         for non-offsettable memory references to cope with outstanding reload
7347         replacements.
7348         * config/s390/s390.md ("reload_outti"): Call find_replacement to
7349         avoid losing outstanding address reloads.
7350         ("reload_outdi", "reload_outdf"): Likewise.
7351
7352 2005-03-09  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
7353
7354         * builtins.c (fold_builtin_cbrt, fold_builtin_pow): Rearrange
7355         code.  Add more cbrt transformations.
7356
7357 2005-03-09  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
7358
7359         * fold-const.c (fold_unary_to_constant): Add FIX_ROUND_EXPR case.
7360
7361 2005-03-09  Kazu Hirata  <kazu@cs.umass.edu>
7362
7363         * fold-const.c (fold_unary, fold_binary, fold_ternary): Return
7364         NULL_TREE when a given tree is not simplified.
7365         (fold): Return the original tree when any of the functions
7366         mentioned above NULL_TREE.
7367
7368         * fold-const.c (fold_unary, fold_binary): Take decomposed
7369         arguments, code, type, op0, and op1 in case of fold_binary.
7370         (fold): Update calls to fold_unary and fold_binary.
7371
7372 2005-03-09  Roger Sayle  <roger@eyesopen.com>
7373
7374         * builtins.c (fold_builtin_unordered_cmp): Change prototype to take
7375         a fndecl and an arglist instead of a CALL_EXPR, exp.
7376
7377 2005-03-09  Kazu Hirata  <kazu@cs.umass.edu>
7378
7379         * cfglayout.c (fixup_reorder_chain): Remove old_bb.
7380
7381         * cfgrtl.c (cfg_layout_merge_blocks): Remove new_e.
7382
7383         * expr.c (expand_assignment): Remove orig_to_rtx.
7384
7385         * fold-const.c (int_const_binop): Remove no_overflow.
7386
7387         * ifcvt.c (noce_emit_move_insn): Remove inmode.
7388
7389         * loop-iv.c (get_biv_step_1): Remove lhs.
7390
7391         * loop-unroll.c (analyze_insns_in_loop): Remove preheader.
7392
7393         * real.c (real_nan): Remove neg.
7394
7395         * function.c (thread_prologue_and_epilogue_insns): Remove i
7396         and newinsn.
7397
7398         * tree-data-ref.c (array_base_name_differ_p): Remove ta and
7399         tb.
7400
7401         * tree-eh.c (tree_could_trap_p): Remove idx.
7402
7403         * tree-into-ssa.c (ann): Remove ann.
7404
7405         * tree-outof-ssa.c (num_nodes): Remove num_nodes.
7406
7407         * tree-sra.c (decide_block_copy): Remove inst_count.
7408
7409         * tree-ssa-alias.c (may_alias_p): Remove v_ann.
7410
7411         * tree-ssa-loop-im.c (lhs): Remove.
7412
7413         * cfgbuild.c (state, STATE, SET_STATE,
7414         BLOCK_USED_BY_TABLEJUMP, FULL_STATE): Move just before
7415         make_edges.
7416         (make_edges): Speed up by skipping blocks with BLOCK_ORIGINAL.
7417         (find_basic_blocks): Set the state of each basic block to
7418         BLOCK_NEW.
7419
7420 2005-03-08  Jeff Law  <law@redhat.com>
7421
7422         * tree-cfg.c (cleanup_control_flow): If removal of a computed
7423         goto results in the removal of edges in the CFG, then we need
7424         to recompute dominators.
7425
7426 2005-03-09  Ben Elliston  <bje@au.ibm.com>
7427
7428         * c-common.c (c_do_switch_warnings): Comment fix.
7429
7430 2005-03-08  Julian Brown  <julian@codesourcery.com>
7431
7432         * Patch from 2005-03-08 reverted for causing regressions and
7433         ppc-darwin bootstrap failure.
7434
7435 2005-03-08  Fariborz Jahanian <fjahanian@apple.com>
7436
7437         * config/rs6000/rs6000.c (invalid_arg_for_unprototyped_fn):
7438         Define the real function for ppc-darwin.
7439         * c-typeck.c (convert_arguments): Check for target-specific
7440         invalid argument call to unprototyped function.
7441         * target-def.h (TARGET_INVALID_ARG_FOR_UNPROTOTYPED_FN):
7442         New Macro.
7443         * target.h (invalid_arg_for_unprototyped_fn): New field
7444         in struct calls.
7445         * targhooks.c (hook_invalid_arg_for_unprototyped_fn): New
7446         default target hook.
7447         * targhooks.h (hook_invalid_arg_for_unprototyped_fn):
7448         Declare.
7449
7450 2005-03-08  Kazu Hirata  <kazu@cs.umass.edu>
7451
7452         * c-typeck.c (constructor_stack, constructor_range_stack,
7453         initializer_stack): Make them static.
7454
7455         * cfg.c (rbi_pool): Make it static.
7456
7457         * gimple-low.c (lower_stmt_body): Make it static.
7458         * tree-flow.h: Remove the corresponding prototype.  Don't
7459         declare lower_data.
7460
7461         * sched-deps.c (cache_size): Make it static.
7462
7463         * stor-layout.c (lang_adjust_rli): Make it static.
7464
7465 2005-03-08  Julian Brown  <julian@codesourcery.com>
7466
7467         * config/elfos.h (MAKE_DECL_ONE_ONLY): Redefined to stop DECL_WEAK
7468         from being used for symbols with vague linkage when
7469         HAVE_GAS_COMDAT_GROUP is true.
7470
7471 2005-03-08  J"orn Rennecke <joern.rennecke@st.com>
7472
7473         * jump.c (invert_jump_1): Don't call redirect_jump_1 with
7474         nlabel == JUMP_LABEL (jump).
7475
7476 2005-03-08  Kazu Hirata  <kazu@cs.umass.edu>
7477
7478         * c-common.c, c-opts.c, combine.c, cse.c, dojump.c,
7479         gimplify.c, tree-dfa.c, tree-ssa-loop-ivopts.c,
7480         tree-ssa-phiopt.c, tree-ssa-pre.c, tree-ssa-sink.c,
7481         tree-vect-analyze.c, tree.def, tree.h: Fix comment formatting.
7482
7483 2005-03-08  Alexey Neyman  <alex.neyman@auriga.ru>
7484
7485         PR c/14411
7486         * calls.c (flags_from_decl_or_type): Handle eturns_twice' attribute.
7487         * c-common.c (handle_returns_twice): New function.
7488         (c_common_attribute_table): Declare eturns_twice' attribute.
7489         * doc/extend.texi: Document eturns_twice' attribute.
7490         * tree.h (DECL_IS_RETURNS_TWICE): New macro.
7491         (struct tree_decl): Add returns_twice_flag.
7492
7493 2005-03-08  Kazu Hirata  <kazu@cs.umass.edu>
7494
7495         * tree-ssa-phiopt.c: Fix a comment typo.
7496
7497         * c-semantics.c, cfghooks.c, diagnostic.h, loop-iv.c,
7498         loop-unswitch.c, modulo-sched.c, stor-layout.c, tree-gimple.h,
7499         config/i386/cygwin1.c, doc/cfg.texi, doc/objc.texi: Update
7500         copyright.
7501
7502 2005-03-08  Richard Henderson  <rth@redhat.com>
7503
7504         * config/alpha/alpha.c (code_for_builtin): Replace special-case
7505         builtin codes with ctzdi2, clzdi2, popcountdi2.
7506         (struct alpha_builtin_def): Add is_const.
7507         (zero_arg_builtins, one_arg_builtins, two_arg_builtins): Init it.
7508         (alpha_v8qi_u, alpha_v8qi_s, alpha_v4hi_u, alpha_v4hi_s): New.
7509         (alpha_init_builtins): Init them.  Set nothrow and const attributes
7510         on builtins.
7511         (alpha_fold_builtin_cmpbge, alpha_fold_builtin_zapnot,
7512         alpha_fold_builtin_extxx, alpha_fold_builtin_insxx,
7513         alpha_fold_builtin_mskxx, alpha_fold_builtin_umulh,
7514         alpha_fold_vector_minmax, alpha_fold_builtin_perr,
7515         alpha_fold_builtin_pklb, alpha_fold_builtin_pkwb,
7516         alpha_fold_builtin_unpkbl, alpha_fold_builtin_unpkbw,
7517         alpha_fold_builtin_cttz, alpha_fold_builtin_ctlz,
7518         alpha_fold_builtin_ctpop, alpha_fold_builtin): New.
7519         (TARGET_FOLD_BUILTIN): New.
7520         * config/alpha/alpha.md (UNSPEC_CTTZ): Remove.
7521         (UNSPEC_CTLZ, UNSPEC_CTPOP): Remove.
7522         (ffsdi2): Use ctz.
7523         (cttz, builtin_cttz, builtin_ctlz, builtin_ctpop): Remove.
7524
7525 2005-03-08  Ira Rosen  <irar@il.ibm.com>
7526
7527         PR tree-optimization/20122
7528         * tree-vect-analyze.c (vect_object_analysis): Analyze initial
7529         condition of access function instead of base.
7530
7531 2005-03-07  Jeff Law  <law@redhat.com>
7532             Steven Bosscher  <stevenb@suse.de>
7533
7534         * tree-cfg.c (find_taken_edge_computed_goto): New function.
7535         (find_taken_edge): Call find_taken_edge_computed_goto as
7536         appropriate.  Allow any gimple invariant rather than just
7537         INTEGER_CST for VAL.
7538         (cleanup_control_flow): Cleanup a computed goto which has turned
7539         into a simple goto.
7540         (tree_merge_blocks): If block B has any forced labels, move
7541         them to the start of block A.
7542         * tree-ssa-dom.c (thread_across_edge): Allow threading across
7543         computed gotos as well.
7544         * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Handle
7545         removal of unnecessary computed gotos too.
7546         (lookup_redirection_data): Fix type of INSERT argument.  Callers
7547         updated.
7548
7549 2005-03-08  Kazu Hirata  <kazu@cs.umass.edu>
7550
7551         * tree-ssa-phiopt.c: Update copyright.  Fix indentations.
7552         Remove trailing spaces.
7553
7554         * gimplify.c (gimple_push_bind_expr, gimple_pop_bind_expr,
7555         unshare_all_trees): Make them static.
7556         * tree-gimple.h: Remove the corresponding prototypes.
7557
7558         * diagnostic.h: Remove unused prototype
7559         debug_output_buffer.
7560         * modulo-sched.c: Remove unused prototype
7561         set_row_column_for_ps.
7562
7563         * tree-ssa-phiopt.c (tree_ssa_phiopt,
7564         replace_phi_edge_with_variable): Remove unused variable i.
7565
7566 2005-03-07  Per Bothner  <per@bothner.com>
7567
7568         * tree.h (DECL_IS_BUILTIN): Reverted my patch from earlier today.
7569
7570 2005-03-06  Andrew Pinski  <pinskia@physics.uc.edu>
7571
7572         PR tree-opt/17671
7573         * tree-ssa-phiopt.c (tree_ssa_phiopt): Rewrite so we base the
7574         bbs on the COND_EXPR instead of the PHI_NODEs.
7575         (candidate_bb_for_phi_optimization): Remove.
7576         (replace_phi_with_stmt): Rename to ...
7577         (replace_phi_edge_with_variable): this and change so that we
7578         replace the phi argument instead of removing the PHI.
7579         (conditional_replacement): Change so we deal with PHI with more
7580         than two arguments.
7581         (value_replacement): Likewise.
7582         (abs_replacement): Likewise.
7583
7584 2005-03-07  Aldy Hernandez  <aldyh@redhat.com>
7585
7586         * config/rs6000/rs6000-protos.h: Rename output_e500_flip_eq_bit to
7587         output_e500_flip_gt_bit.
7588
7589         * config/rs6000/rs6000.c (print_operand): case D: Print out bit 31
7590         as bit 31.
7591         (rs6000_generate_compare): Fix logic to look at the correct bits.
7592         (output_e500_flip_eq_bit): Rename to output_e500_flip_gt_bit.
7593         Look at GT bit.
7594         (rs6000_emit_sCOND): Rename gen_e500_flip_eq_bit to
7595         gen_e500_flip_gt_bit.  Rename gen_move_from_CR_eq_bit to
7596         gen_move_from_CR_gt_bit.
7597
7598         * config/rs6000/rs6000.md ("move_from_CR_eq_bit"): Change bit
7599         ("move_from_CR_eq_bit"): Rename to move_from_CR_gt_bit.
7600         (UNSPEC_MV_CR_EQ): Rename to UNSPEC_MV_CR_GT.
7601
7602         * config/rs6000/spe.md ("e500_cr_ior_compare"): New.
7603         (E500_CR_IOR_COMPARE): New constant.
7604
7605 2005-03-08  Earl Chew <earl_chew@agilent.com>
7606             David Billinghurst <David.Billinghurst@riotinto.com>
7607
7608         * config/i386/host-cygwin.c: New file to support precompiled
7609         headers on cygwin
7610         * config/i386/x-cygwin: Use host-cygwin.c on cygwin host
7611         * config.host: Use above files for cygwin host.
7612
7613 2005-03-07  David Edelsohn  <edelsohn@gnu.org>
7614
7615         * fold-const.c (fold_binary_op_with_conditional_arg): Fix typo
7616         ordering ops from earlier change.
7617
7618 2005-03-07  Per Bothner  <per@bothner.com>
7619
7620         Various fixes to allow us to again build if --enable-mapped-location:
7621         * c-decl.c (finish_function): Use SET_EXPR_LOCATION instead of
7622         unavailable annotate_with_file_line, if USE_MAPPED_LOCATION.
7623         * tree-cfg.c (remove_bb): If USE_MAPPED_LOCATION, change type of
7624         local variable loc. Change logic appropriately.
7625         * tree-vect-transform.c (vect_finish_stmt_generation): Use
7626         EXPR_LOCATION rather than EXPR_LOCUS if USE_MAPPED_LOCATION.
7627         * c-parser.c (c_parser_for_statement): Initialize loc variable.
7628         * tree.h (DECL_IS_BUILTIN): Temporarily revert definition of
7629         DECL_IS_BUILTIN in the USE_MAPPED_LOCATION because of jc1 issues.
7630
7631 2005-03-07  Richard Sandiford  <rsandifo@redhat.com>
7632
7633         PR rtl-optimization/19683
7634         * reload1.c (choose_reload_regs): Pass the number of bits, not the
7635         number of bytes, to smallest_int_for_mode.  Fix arguments to
7636         REG_CANNOT_CHANGE_MODE_P.
7637
7638 2005-03-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
7639
7640         * reorg.c (relax_delay_slots): Check that the jump is
7641         conditional before trying to invert it.
7642
7643 2005-03-07  Kazu Hirata  <kazu@cs.umass.edu>
7644
7645         * bb-reorder.c (max_entry_frequency, max_entry_frequency):
7646         Make them static.
7647
7648         * calls (stack_arg_under_construction): Make it static.
7649
7650         * flow.c (regs_live_at_setjmp): Make it static.
7651         * flow.h: Remove the corresponding prototype.
7652
7653         * reload1.c (reload_startobj, reload_firstobj,
7654         something_needs_operands_changed, reload_inherited,
7655         reload_inheritance_insn, reload_override_in,
7656         reload_spill_index): Make them static.
7657
7658         * recog.c (verify_changes): Make it static.
7659         * recog.h: Remove the corresponding prototype.
7660
7661         * cfgbuild.c (find_sub_basic_blocks): Remove.
7662         * basic-block.h: Remove the corresponding prototype.
7663         * cfgexpand.c, cfgrtl.c: Don't mention find_sub_basic_blocks
7664         in comments.
7665         * doc/cfg.texi: Don't mention find_sub_basic_blocks.
7666
7667         * tree-ssa-operands.c (check_build_stmt): Remove.
7668
7669         * stor-layout.c (set_alignment): Remove.
7670         * tree.h: Remove the corresponding prototype.
7671
7672         * tree-ssa-pre.c (has_abnormal_preds): Make it static.
7673
7674         * tree-ssa-dce.c (control_dependence_map,
7675         visited_control_parents): Make them static.
7676
7677         * cfghooks.c (verify_flow_info): Remove local variable
7678         num_bb_notes.
7679
7680         * cfgrtl.c (rtl_verify_flow_info_1): Remove local variable
7681         last_bb_seen.
7682
7683         * loop-unswitch.c (unswitch_loop): Remove local variable src.
7684
7685 2005-03-07  David Billinghurst <David.Billinghurst@riotinto.com>
7686
7687         * config/i386/cygwin1.c(mingw_scan): Use xstrdup in calls to putenv.
7688
7689 2005-03-07  Joseph S. Myers  <joseph@codesourcery.com>
7690
7691         * config/ia64/hpux.h (LINK_SPEC): Add -z.
7692         * config/ia64/ia64.c (ia64_function_value): Return a REG not a
7693         PARALLEL for an empty structure.
7694
7695 2005-03-07  Kazu Hirata  <kazu@cs.umass.edu>
7696
7697         * fold-const.c (fold_binary): Remove handling of RANGE_EXPR.
7698
7699         * fold-const.c (fold_binary): Unroll the very first "for"
7700         loop.
7701
7702 2005-03-06  David Edelsohn  <edelsohn@gnu.org>
7703
7704         * config/rs6000/predicates.md (branch_comparison_operator): Remove
7705         redundant match_code test.
7706         (scc_comparison_operator): Swap match_operand and match_code
7707         tests.
7708         (branch_positive_comparison_operator): Same.
7709         (trap_comparison_operator): Use comparison_operator and swap with
7710         match_code test.
7711
7712 2005-03-06  Marek Michalkiewicz  <marekm@amelek.gda.pl>
7713
7714         PR target/20288
7715         * config/avr/avr.c (print_operand): Add 'p' and 'r'.
7716         (out_movhi_r_mr): Read low byte of volatile MEM first.
7717         (out_movhi_mr_r): Write high byte of volatile MEM first.
7718
7719 2005-03-05  Kazu Hirata  <kazu@cs.umass.edu>
7720
7721         * cselib.c (reg_values, reg_values_size): Make them static.
7722
7723         * cse.c (cse_reg_info_table): Make it static.
7724
7725         * fold-const.c (fold_unary): Use build1 instead of copy_node.
7726
7727 2005-03-06  Zdenek Dvorak  <dvorakz@suse.cz>
7728
7729         * cse.c (find_best_addr): Use canon_for_address.
7730
7731 2005-03-06  Kazu Hirata  <kazu@cs.umass.edu>
7732
7733         * cse.c (fold_rtx_subreg, fold_rtx_mem): New.
7734         (fold_rtx): Call fold_rtx_subreg and fold_rtx_mem to handle
7735         SUBREG and MEM, respectively.
7736
7737         * fold-const.c (fold_binary): Use code instead of t.
7738
7739         * fold-const.c (optimize_minmax_comparison): Take decomposed
7740         arguments code, type, op0, and op1 instead of t.
7741         (fold_binary): Update a call to optimize_minmax_comparison.
7742
7743         * fold-const.c (fold_range_test): Take decomposed arguments
7744         code, type, op0, and op1 instead of t.
7745         (fold_binary): Update a call to fold_range_test.
7746
7747         * fold-const.c (fold_binary_op_with_conditional_arg): Take
7748         decomposed arguments code, type, op0, and op1 instead of t.
7749         (fold_binary): Update a call to fold_range_test.
7750
7751 2005-03-06  Kazu Hirata  <kazu@cs.umass.edu>
7752
7753         * fold-const.c (fold_binary): Avoid directly using the original
7754         expression t as much as possible.
7755
7756 2005-03-05  Kazu Hirata  <kazu@cs.umass.edu>
7757
7758         * c-semantics.c (build_stmt): Use TYPE_P instead of
7759         IS_NON_TYPE_CODE_CLASS.
7760         * tree.h (IS_NON_TYPE_CODE_CLASS): Remove.
7761         (NON_TYPE_CHECK): Use TYPE_P instead of
7762         IS_NON_TYPE_CODE_CLASS.
7763
7764         * fold-const.c (fold): Remove handling of binary expressions.
7765
7766 2005-03-05  James A. Morrison  <phython@gcc.gnu.org>
7767
7768         * doc/c-tree.texi: Wrap comments in @r{}.
7769         * doc/cpp.texi: Likewise.
7770         * doc/cppinternals.texi: Likewise.
7771         * doc/extend.texi: Likewise.
7772         * doc/md.texi: Likewise.
7773         * doc/objc.texi: Likewise.
7774         * doc/sourcebuild.texi: Likewise.
7775         * doc/tm.texi: Likewise.
7776         * doc/tree-ssa.texi
7777
7778 2005-03-05  Kazu Hirata  <kazu@cs.umass.edu>
7779
7780         * predict.c (apply_return_prediction): Standardize PHI chain
7781         walking.
7782         * tree-ssa.c (ssa_redirect_edge): Likewise.
7783
7784         * genattrtab.c, genemit.c, genoutput.c, genrecog.c,
7785         gensupport.c, jump.c, tree-phinodes.c, unwind-dw2-fde-glibc.c:
7786         Update copyright.
7787
7788         * tree-phinodes.c (remove_phi_node): Drop the last argument.
7789         * tree-flow.h: Adjust the prototype for remove_phi_node.
7790         * lambda-code.c (perfect_nestify): Adjust a call to
7791         remove_phi_node.
7792         * tree-cfg.c
7793         (remove_phi_nodes_and_edges_for_unreachable_block): Likewise.
7794         * tree-outof-ssa.c (eliminate_virtual_phis, remove_ssa_form):
7795         Likewise.
7796         * tree-ssa-dce.c (remove_dead_phis): Likewise.
7797         * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
7798         * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
7799         * tree-ssa.c (kill_redundant_phi_nodes): Likewise.
7800
7801         * combine.c (simplify_and_const_int): Use gen_int_mode instead
7802         of GEN_INT (trunc_int_for_mode (...)).
7803         * loop-iv.c (iv_number_of_iterations): Likewise.
7804         * postreload.c (reload_cse_move2add): Likewise.
7805         * simplify-rtx.c (simplify_const_unary_operation,
7806         simplify_const_binary_operation): Likewise.
7807         * stor-layout.c (get_mode_bounds): Likewise.
7808
7809         * fold-const.c (fold_binary): New.
7810         (fold): Call fold_binary on binary expressions.
7811
7812 2005-03-05  Richard Sandiford  <rsandifo@redhat.com>
7813
7814         * doc/invoke.texi: Document new MIPS -msym32 and -mno-sym32 options.
7815         * config/mips/mips.h (MASK_SYM32, TARGET_SYM32): New macros.
7816         (TARGET_SWITCHES): Add -msym32 and -mno-sym32.
7817         (ABI_HAS_64BIT_SYMBOLS): Set to false if TARGET_SYM32.
7818         (ASM_SPEC): Pass down -msym32 and -mno-sym32.
7819
7820 2005-03-04  Devang Patel  <dpatel@apple.com>
7821
7822         PR tree-optimization/18815
7823         * tree-if-conv.c (combine_blocks): Adjust loop header edges for
7824         loops with zero exit edges.
7825
7826 2005-03-04  Devang Patel  <dpatel@apple.com>
7827
7828         * doc/invoke.texi: Remove reference to webpage that does not exist.
7829
7830 2005-03-04  John David Anglin  <dave.danglin@nrc-cnrc.gc.ca>
7831             Joseph S. Myers  <joseph@codesourcery.com>
7832
7833         PR c++/19797
7834         * pa/elf.h, pa64-hpux.h, som.h (ASM_OUTPUT_EXTERNAL_REAL): Define.
7835         (ASM_OUTPUT_EXTERNAL): Call pa_hpux_asm_output_external.
7836         * pa-protos.h (pa_hpux_asm_output_external): Add prototype.
7837         * pa.c (get_plabel): Change argument to symbol_ref.  Call
7838         maybe_get_identifier instead of get_identifier.
7839         (pa_hpux_asm_output_external, pa_hpux_file_end): New functions.
7840         (struct deferred_plabel): Replace name field with symbol field.
7841         (TARGET_ASM_FILE_END): Define as pa_hpux_file_end if
7842         ASM_OUTPUT_EXTERNAL_REAL is defined.
7843         (output_global_address): Use output_addr_const for output of all
7844         symbol_refs.
7845         (output_deferred_plabels): Use symbol_ref instead of name for address
7846         output.
7847         * pa.h (SYMBOL_FLAG_REFERENCED, SYMBOL_REF_REFERENCED_P,
7848         ASM_OUTPUT_SYMBOL_REF): New macros.
7849         * som.h (ASM_OUTPUT_EXTERNAL_LIBCALL): Use assemble_name_raw.  Update
7850         comment.
7851         (ASM_WEAKEN_LABEL): Use targetm.asm_out.globalize_label to globalize
7852         label.
7853
7854 2005-03-05  Joseph S. Myers  <joseph@codesourcery.com>
7855
7856         * config.gcc (hppa*64*-*-hpux11*): Use pa/pa-hpux1111.h for
7857         *-*-hpux11.[1-9]*, not just for *-*-hpux11.11.
7858
7859 2005-03-04  Jeff Law  <law@redhat.com>
7860
7861         * basic-block.h (rediscover_loops_after_threading): Declare.
7862         * tree-ssa-dom.c: Include cfgloop.h.
7863         (tree_ssa_dominator_optimize): Discover loops and some basic
7864         properties.  Remove forwarder blocks recreated by loop header
7865         canonicalization.  Also mark backedges in the CFG.
7866         * tree-ssa-threadupdate.c: Include cfgloop.h
7867         (rediscover_loops_after_threading): Define.
7868         (struct local_info): New field, JUMP_THREADED.
7869         (prune_undesirable_thread_requests): New function.
7870         (redirect_edges): Clear EDGE_ABNORMAL.  If edges were threaded
7871         then record that fact for the callers of redirct_edges.
7872         (thread_block): If BB has incoming backedges, then call
7873         prune_undesirable_thraed_requests.    Note when we are
7874         going to have to rediscover loop information.  Return a
7875         boolean indicating if any jumps were threaded.
7876         (thread_through_all_blocks): Bubble up boolean indicating
7877         if any jumps were threaded.
7878         * Makefile.in (tree-ssa-dom.o): Depend on cfgloop.h
7879         (tree-ssa-threadupdate.o): Similarly.
7880
7881 2005-03-04  Kazu Hirata  <kazu@cs.umass.edu>
7882
7883         * fold-const.c (fold_ternary): Unroll the "for" loop to
7884         extract operands.
7885
7886 2005-03-04  Andrew Haley  <aph@redhat.com>
7887
7888         * unwind-dw2-fde-glibc.c (struct
7889         unw_eh_callback_data.check_cache): New field.
7890         (frame_hdr_cache): New.
7891         (_Unwind_IteratePhdrCallback): Add ext_dl_phdr_info.
7892         Cache frame header info.
7893
7894 2005-03-04  Richard Sandiford  <rsandifo@redhat.com>
7895
7896         * rtl.h (copy_rtx_ptr_loc, print_rtx_ptr_loc, join_c_conditions)
7897         (print_c_condition): Declare.
7898         * read-rtl.c (ptr_loc): New structure.
7899         (ptr_locs, ptr_loc_obstack, joined_conditions)
7900         (joined_conditions_obstack): New variables.
7901         (leading_ptr_hash, leading_ptr_eq_p, set_rtx_ptr_loc)
7902         (get_rtx_ptr_loc, copy_rtx_ptr_loc, print_rtx_ptr_loc)
7903         (join_c_conditions, print_c_condition): New functions.
7904         (apply_macro_to_string): Associate the new string with the same
7905         source location as the old one.
7906         (add_condition_to_string): Use join_c_conditions.
7907         (read_string): Use set_rtx_ptr_loc to record a filename and line
7908         number for the string.
7909         (read_rtx): Initialize the new variables above.
7910         * genattrtab.c (write_test_expr, write_attr_value): Use
7911         print_c_condition.
7912         * genconditions.c (write_header): Don't define MAYBE_EVAL.  Move its
7913         comment above the GCC_VERSION check.
7914         (write_one_condition): Use print_rtx_ptr_loc and print_c_condition.
7915         Inline the definition of MAYBE_EVAL.
7916         * genemit.c (gen_expand, gen_split): Use print_rtx_ptr_loc.
7917         * genoutput.c (process_template): Likewise.
7918         * genpreds.c (write_predicate_subfunction): Likewise.
7919         (write_predicate_expr): Use print_c_condition.
7920         * genrecog.c (write_cond): Likewise.
7921         * gensupport.c (process_rtx): Use join_c_conditions to join the
7922         conditions of a define_insn_and_split.  Record a source location
7923         for the string after the "&&".
7924         (alter_test_for_insn): Use join_c_conditions.
7925
7926 2005-03-04  Andrew Pinski  <pinskia@physics.uc.edu>
7927
7928         Revert for now:
7929         2005-03-03  James A. Morrison  <phython@gcc.gnu.org>
7930         PR tree-optimization/15784
7931         * fold-const.c (fold): Fold ~A + 1 to -A.  Fold -A - 1
7932         and -1 - A to ~A.
7933
7934 2005-03-04  Ben Elliston  <bje@au.ibm.com>
7935
7936         * gcc.c (option_map): Add --coverage.
7937         (LINK_COMMAND_SPEC): Pass -lgcov for `coverage'.
7938         (cc1_options): Pass -fprofile-arcs -ftest-coverage for `coverage'.
7939         * config/darwin.h: Pass -lgcov for `coverage'.
7940         * doc/invoke.texi (Debugging Options): Document --coverage.
7941
7942 2005-03-04  Kazu Hirata  <kazu@cs.umass.edu>
7943
7944         * gcse.c (bypass_block): Use find_edge wherever possible.
7945
7946 2005-03-03  Daniel Berlin <dberlin@dbrelin.org>
7947
7948         Fix PR debug/20253
7949
7950         * c-opts.c (c_common_parse_file): Call start_source_file
7951         and end_source_file at the approriate times.
7952
7953         * dwarf2out.c (dwarf2out_finish): Don't auto-end
7954         the main file, it will be done for us now.
7955
7956 2005-03-04  Kazu Hirata  <kazu@cs.umass.edu>
7957
7958         * fold-const.c (fold_ternary): New.
7959         (fold): Call fold_ternary on ternary expressions.  Remove
7960         handling of ternary expressions.
7961
7962 2005-03-03  James A. Morrison  <phython@gcc.gnu.org>
7963
7964         PR tree-optimization/15784
7965         * fold-const.c (fold): Fold ~A + 1 to -A.  Fold -A - 1
7966         and -1 - A to ~A.
7967
7968 2005-03-03  David Edelsohn  <edelsohn@gnu.org>
7969
7970         * config/rs6000/predicates.md (branch_comparison_operator):
7971         Convert from C block to conditional format.
7972
7973 2005-03-03  Jan Hubicka  <jh@suse.cz>
7974
7975         * tree-dfa.c (add_referenced_var): Don't walk initializer of external
7976         and non-constant public variables.
7977
7978 2005-03-03  Kazu Hirata  <kazu@cs.umass.edu>
7979
7980         * tree-cfg.c (stmt_starts_bb_p): Clean up by replacing code
7981         with LABEL_EXPR.
7982
7983         * cfgexpand.c (construct_exit_block): Use EDGE_PRED instead of
7984         EDGE_I.
7985
7986         * tree-phinodes.c (remove_phi_node): Clean up by factoring out
7987         calls to release_ssa_name and release_phi_node.
7988
7989         * fold-const.c (fold): Remove handling of unary expressions.
7990
7991         * fold-const.c (fold_unary): Avoid directly using the original
7992         expression t as much as possible.
7993
7994 2005-03-03  Roger Sayle  <roger@eyesopen.com>
7995             Andrew Pinski  <pinskia@physics.uc.edu>
7996
7997         * jump.c (redirect_exp_1): If nlabel is a NULL pointer create a
7998         RETURN rtx, and not a LABEL_REF containing a NULL pointer.
7999
8000 2005-03-03  Hans-Peter Nilsson  <hp@axis.com>
8001
8002         Describe special registers SRP and MOF as allocatable registers.
8003         * config/cris/cris.c (cris_md_asm_clobbers): New function.
8004         (TARGET_MD_ASM_CLOBBERS): Define to cris_md_asm_clobbers.
8005         (cris_conditional_register_usage): Enable CRIS_MOF_REGNUM if
8006         TARGET_HAS_MUL_INSNS.
8007         (cris_print_operand) <case 'd'>: New case.
8008         <case REG>: Allow CRIS_MOF_REGNUM and CRIS_SRP_REGNUM.
8009         * config/cris/cris.h (CRIS_PC_REGNUM, CRIS_SRP_REGNUM): Don't
8010         define.
8011         (FIRST_PSEUDO_REGISTER, FIXED_REGISTERS, CALL_USED_REGISTERS)
8012         (REG_ALLOC_ORDER): Update for MOF.
8013         (enum reg_class): New members MOF_REGS, GENERAL_REGS and
8014         SPECIAL_REGS.
8015         (GENERAL_REGS): No longer a define of ALL_REGS.
8016         (REGNO_REG_CLASS, REG_CLASS_CONTENTS, REG_CLASS_NAMES)
8017         (PREFERRED_RELOAD_CLASS, REGISTER_NAMES, DBX_REGISTER_NUMBER):
8018         Adjust accordingly.
8019         (CRIS_SPECIAL_REGS_CONTENTS): New macro.
8020         (REG_CLASS_FROM_LETTER): Allocate 'h' and 'x'.
8021         (SECONDARY_RELOAD_CLASS): Define.
8022         (STACK_POINTER_REGNUM): Define as CRIS_SP_REGNUM.
8023         (FRAME_POINTER_REGNUM): Define as CRIS_FP_REGNUM.
8024         (ARG_POINTER_REGNUM): Define as CRIS_AP_REGNUM.
8025         (STATIC_CHAIN_REGNUM): Define as CRIS_STATIC_CHAIN_REGNUM.
8026         (REGISTER_MOVE_COST): Define.
8027         (PIC_OFFSET_TABLE_REGNUM): Define in terms of CRIS_GOT_REGNUM.
8028         * config/cris/cris.md (CRIS_GOT_REGNUM, CRIS_STATIC_CHAIN_REGNUM)
8029         (CRIS_FP_REGNUM, CRIS_SP_REGNUM, CRIS_SRP_REGNUM, CRIS_AP_REGNUM)
8030         (CRIS_MOF_REGNUM): New define_constants.
8031         ("*movsi_internal", "movhi", "movqi", "movsf"): Add alternatives for
8032         special registers.
8033         ("reload_inhi", "reload_outhi", "reload_inqi", "reload_outqi"):
8034         New patterns.
8035         ("umulhisi3", "umulqihi3", "mulsi3", "mulqihi3", "mulhisi3")
8036         ("mulsidi3", "umulsidi3", "smulsi3_highpart", "umulsi3_highpart"):
8037         Adjust for MOF being properly described as a register.
8038         (indir_to_reg_split): Name this split.  Conditionalize on the
8039         destination register being a general register.
8040         (movei): Conditionalize on on operands 0 and 1 having the same
8041         register class.
8042
8043 2005-03-03  Alan Modra  <amodra@bigpond.net.au>
8044
8045         PR target/20277
8046         * config/rs6000/rs6000.c (rs6000_override_options): Don't allow
8047         -mcpu to override any other explicitly given flags.
8048
8049 2005-03-02  J"orn Rennecke <joern.rennecke@st.com>
8050
8051         * recog.c (verify_changes, confirm_change_group): New functions,
8052         broken out of apply_change_group.
8053         (apply_change_group): Use them.
8054         * recog.h (verify_change, confirm_change_group): Declare.
8055         * rtl.h (redirect_jump_2): Declare.
8056         * jump.c (redirect_exp, invert_exp): Delete.
8057         (invert_exp_1): Take second parameter.  Return value.  Changed caller.
8058         (redirect_jump_2): New function, broken out of redirect_jump.
8059         (redirect_jump): Use redirect_jump_1 and redirect_jump_2.
8060         (invert_jump): Use invert_jump_1 and redirect_jump_2.
8061         * ifcvt.c (dead_or_predicable): Use redirect_jump_2.
8062
8063 2005-03-02  Geoffrey Keating  <geoffk@apple.com>
8064
8065         * varasm.c (named_section): Use xstrdup rather than doing it by
8066         hand.
8067
8068         * config/darwin8.h (LIB_SPEC): Switch -lmx and -lSystem.
8069
8070 2005-03-02  Devang Patel  <dpatel@apple.com>
8071
8072         Undo PR tree-optimization/18815 fix.
8073
8074 2005-03-02  Devang Patel  <dpatel@apple.com>
8075
8076         PR tree-optimization/18815
8077         * tree-if-conv.c (combine_blocks): Adjust loop header edges for
8078         loops with zero exit edges.
8079
8080 2005-03-02  Kazu Hirata  <kazu@cs.umass.edu>
8081
8082         * cfg.c (connect_src, connect_dest, disconnect_src,
8083         disconnct_dest): New.
8084         (unchecked_make_edge, remove_edge, redirect_edge_succ,
8085         redirect_edge_pred): Use the new functions.
8086
8087         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Call
8088         free_dominance_info only when needed.
8089
8090 2005-03-02  David Edelsohn  <edelsohn@gnu.org>
8091
8092         PR target/20276
8093         * config/rs6000/predicates.md (reg_or_cint64_operand): Fix typo.
8094         (reg_or_sub_cint64_operand): Same.
8095
8096 2005-03-02  Jeff Law  <law@redhat.com>
8097
8098         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Fix setting of
8099         CFG_ALTERED in the main DOM iteration loop.
8100
8101 2005-03-02  Mark Mitchell  <mark@codesourcery.com>
8102
8103         PR c++/19916
8104         * varasm.c (initializer_constant_valid_p): Allow conversions
8105         between OFFSET_TYPEs.  Tidy.
8106
8107 2005-03-02  Hans-Peter Nilsson  <hp@axis.com>
8108
8109         * config/cris/cris.md ("return"): Remove epilogue delay list
8110         sanity check.
8111
8112 2005-03-02  Daniel Jacobowitz  <dan@codesourcery.com>
8113
8114         * config/arm/linux-elf.h (ARM_FUNCTION_PROFILER): Do not use (PLT)
8115         for Thumb.
8116         * config/arm/netbsd-elf.h (ARM_FUNCTION_PROFILER): Likewise.
8117
8118 2005-03-02  Kazu Hirata  <kazu@cs.umass.edu>
8119
8120         * cfgloop.h, cfgloopanal.c, cfgloopmanip.c, conflict.c,
8121         loop-init.c, loop-unroll.c, print-tree.c, reg-notes.def,
8122         config/m68k/m68k.c, config/mips/mips.h,
8123         config/rs6000/rs6000-protos.h, doc/contrib.texi,
8124         doc/include/gcc-common.texi: Update copyright.
8125
8126         PR middle-end/18029 and PR middle-end/18030
8127         * expr.c (optimize_bitfield_assignment_op): Add a special case
8128         to handle BIT_IOR_EXPR and BIT_XOR_EXPR.
8129
8130         * fold-const.c (fold_unary): New.
8131         (fold): Call fold_unary on unary expressions.
8132
8133 2005-03-02  Richard Guenther  <rguenth@gcc.gnu.org>
8134
8135         * cgraph.h (struct cgraph_edge): Add prev_caller and
8136         prev_callee fields.
8137         (cgraph_node_remove_callees): Export.
8138         * cgraph.c (cgraph_create_edge): Initialize prev_caller
8139         and prev_callee.
8140         (cgraph_edge_remove_callee): New function.
8141         (cgraph_edge_remove_caller): Likewise.
8142         (cgraph_remove_edge): Use.
8143         (cgraph_redirect_edge_callee): Likewise.
8144         (cgraph_node_remove_callees): New function.
8145         (cgraph_node_remove_callers): Likewise.
8146         (cgraph_remove_node): Use.
8147         * tree-optimize.c (tree_rest_of_compilation): Use
8148         cgraph_node_remove_callees instead of manual loop.
8149         * cgraphunit.c (cgraph_finalize_function): Likewise.
8150         (cgraph_expand_function): Likewise.
8151         (cgraph_remove_unreachable_nodes): Likewise.
8152
8153 2005-03-02  Joseph S. Myers  <joseph@codesourcery.com>
8154
8155         PR c/8927
8156         * c-tree.h (undeclared_variable, build_external_ref): Add extra
8157         argument.
8158         * c-decl.c (undeclared_variable): Take location as argument.
8159         * c-typeck.c (build_external_ref): Likewise.
8160         * c-parser.c (c_parser_postfix_expression): Pass location of
8161         identifier to build_external_ref.
8162
8163 2005-03-01  David Edelsohn  <edelsohn@gnu.org>
8164
8165         * config/rs6000/rs6000.md (cceq splitter): Use operand mode, not
8166         CCEQ mode for branch_positive_comparison_operator test.
8167         * config/rs6000/predicates (branch_comparison_operator): Revert to
8168         define_predicate.
8169         (scc_comparison_operator): Same.
8170         (branch_positive_comparison_operator): Same.
8171
8172 2005-03-01  Hans-Peter Nilsson  <hp@axis.com>
8173
8174         * config/cris/cris.c (cris_eligible_for_epilogue_delay)
8175         (cris_delay_slots_for_epilogue): Remove.
8176         (save_last): Move into cris_target_asm_function_epilogue.
8177         (cris_target_asm_function_epilogue): Remove tests for file being
8178         NULL.
8179         * config/cris/cris-protos.h (cris_eligible_for_epilogue_delay)
8180         (cris_delay_slots_for_epilogue): Remove prototypes.
8181         * config/cris/cris.h (DELAY_SLOTS_FOR_EPILOGUE)
8182         (ELIGIBLE_FOR_EPILOGUE_DELAY): Do not define.
8183
8184 2005-03-01  David Edelsohn  <edelsohn@gnu.org>
8185
8186         * config/rs6000/predicates.md (branch_comparison_operator): Change
8187         to define_special_predicate.
8188         (scc_comparison_operator): Same.
8189         (branch_positive_comparison_operator): Same.
8190
8191 2005-03-01  Daniel Berlin <dberlin@dberlin.org>
8192
8193         * Makefile.in (tree-ssa-sink.o): New.
8194         (OBJS-common): Add tree-ssa-sink.o.
8195         * common.opt: Add -ftree-sink
8196         * opts.c (decode_options): flag_tree_sink is set at O1 or higher.
8197         * timevar.def (TV_TREE_SINK): new timevar.
8198         * tree-flow.h (is_hidden_global_store): Prototype.
8199         * tree-optimize.c (init_tree_optimization_passes): Add
8200         pass_sink_code.
8201         * tree-pass.h (pass_sink_code): New.
8202         * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Move checking
8203         for non-obvious global store store to is_hidden_global_store, and
8204         call that new function.
8205         * tree-ssa-sink.c: New file.
8206         * doc/invoke.texi: Document -fdump-tree-sink and -ftree-sink.
8207         * doc/passes.texi: Document forward store motion.
8208         * testsuite/gcc.dg/tree-ssa/ssa-sink-1.c: New test
8209         * testsuite/gcc.dg/tree-ssa/ssa-sink-2.c: New test
8210         * testsuite/gcc.dg/tree-ssa/ssa-sink-3.c: New test
8211         * testsuite/gcc.dg/tree-ssa/ssa-sink-4.c: New test
8212
8213 2005-03-01  Per Bothner  <per@bothner.com>
8214
8215         * diagnostic.c (diagnostic_build_prefix): If USE_MAPPED_LOCATION
8216         and we have a non-zero column-number, add it to the message.
8217         Also factor out the diagnostic_kind_text.
8218
8219 2005-03-01  Zdenek Dvorak  <dvorakz@suse.cz>
8220
8221         * cfgloop.c (flow_loop_entry_edges_find, flow_loop_exit_edges_find,
8222         flow_loop_pre_header_scan, flow_loop_pre_header_find,
8223         flow_loop_scan): Removed.
8224         (flow_loop_dump): Do not dump removed fields.
8225         (flow_loop_free): Do not free removed fields.
8226         (flow_loops_find): Flags argument removed.  Do not call flow_loop_scan.
8227         (loop_exit_edge_p): New function.
8228         * cfgloop.h (struct loop): Removed fields pre_header, pre_header_edges,
8229         num_pre_header_edges, entry_edges, num_entries, exit_edges,
8230         num_exits, exits_doms.
8231         (LOOP_TREE, LOOP_PRE_HEADER, LOOP_ENTRY_EDGES, LOOP_EXIT_EDGES,
8232         LOOP_EDGES, LOOP_ALL): Removed.
8233         (flow_loop_scan): Declaration removed.
8234         (loop_exit_edge_p, mark_loop_exit_edges): Declare.
8235         * cfgloopmanip.c (create_loop_notes): Do not pass flags to
8236         flow_loops_find.
8237         * ifcvt.c (mark_loop_exit_edges): Moved to cfgloopanal.c.
8238         (if_convert): Call flow_loops_find and flow_loops_free
8239         when calling mark_loop_exit_edges.
8240         * cfgloopanal.c (mark_loop_exit_edges): Moved from
8241         ifcvt.c.  Removed the flow_loops_find, flow_loops_free and
8242         free_dominance_info calls.
8243         * loop-init.c (flow_loops_find): Ditto.
8244         * passes.c (rest_of_handle_branch_prob): Ditto.
8245         * lambda-code.c (perfect_nestify): Do not call flow_loops_find.
8246         * loop-unroll.c (analyze_insns_in_loop): Do not use
8247         EDGE_LOOP_EXIT.
8248         * predict.c (predict_loops): Do not call flow_loop_scan.
8249         Use get_loop_exit_edges.
8250         (tree_estimate_probability): Do not pass flags to flow_loops_find.
8251         * tree-if-conv.c (bb_with_exit_edge_p): Take loop as argument.
8252         Do not use EDGE_LOOP_EXIT.
8253         (tree_if_convert_cond_expr, if_convertible_modify_expr_p): Pass loop
8254         to bb_with_exit_edge_p.
8255         (if_convertible_loop_p): Do not call flow_loop_scan.  Use
8256         loop->single_exit.  Do not use EDGE_LOOP_EXIT.  Pass loop
8257         to bb_with_exit_edge_p.
8258         (combine_blocks): Pass loop to bb_with_exit_edge_p.  Do not use
8259         EDGE_LOOP_EXIT.
8260         * tree-loop-linear.c (linear_transform_loops): Do not call
8261         flow_loop_scan.  Use loop->single_exit.
8262         * tree-vect-analyze.c (vect_analyze_operations): Use loop->single_exit.
8263         (vect_analyze_loop_form): Do not call flow_loop_scan.
8264         * tree-vect-transform.c (vect_update_ivs_after_vectorizer): Use
8265         loop->single_exit.
8266         (vect_do_peeling_for_loop_bound): Use loop_preheader_edge and
8267         loop->single_exit.
8268         * tree-vectorizer.c (slpeel_update_phis_for_duplicate_loop,
8269         slpeel_make_loop_iterate_ntimes, slpeel_can_duplicate_loop_p,
8270         slpeel_tree_duplicate_loop_to_edge_cfg,
8271         slpeel_verify_cfg_after_peeling, slpeel_tree_peel_loop_to_edge):
8272         Use loop_preheader_edge and loop->single_exit.  Do not call
8273         flow_loop_scan.
8274
8275 2005-03-01  Nick Clifton  <nickc@redhat.com>
8276
8277         * config/arm/arm.c (thumb_find_work_register): Check all of the
8278         argument registers to see if they are free, and a couple of
8279         special cases where the last argument register but can be proved
8280         to be available during the function's prologue.
8281         (print_multi_reg, arm_compute_save_reg0_reg12_mask,
8282         output_return_instruction, emit_multi_reg_push, thumb_pushpop,
8283         thumb_unexpanded_epilogue): Use unsigned long as the type for the
8284         register bit-mask.
8285         (thumb_compute_save_reg_mask): Likewise.  Also use
8286         thumb_find_work_register() to ensure that there is agreement about
8287         which work register is going to be used in the prologue.
8288         (thumb_output_function_prologue): Use unsigned long as the type
8289         for the register bit-mask.  Also delay pushing the link register if
8290         other high registers are going to be pushed.
8291         (thumb_compute_save_reg_mask, emit_multi_reg_push,
8292         print_multi-reg, number_of_first_bit_set, thumb_pushpop): Remove
8293         redundant prototypes.
8294
8295 2005-02-28  John David Anglin  <dave.anglin#nrc-cnrc.gc.ca>
8296
8297         PR target/19819
8298         * pa.h (GO_IF_LEGITIMATE_ADDRESS): Allow allow hard registers during
8299         and after reload in REG+REG indexed addresses without REG_POINTER
8300         set in the base and not set in the index.
8301
8302 2005-02-28  Kaz Kojima  <kkojima@gcc.gnu.org>
8303
8304         * config/sh/linux.h (MD_EXEC_PREFIX, MD_STARTFILE_PREFIX):
8305         Don't undefine here.
8306         (HANDLE_PRAGMA_PACK_PUSH_POP): Delete.
8307         (NO_IMPLICIT_EXTERN_C, CPLUSPLUS_CPP_SPEC): Likewise.
8308         (TARGET_OS_CPP_BUILTINS): Use LINUX_TARGET_OS_CPP_BUILTINS.
8309         (LIB_SPEC, LINK_EH_SPEC, STARTFILE_SPEC, ENDFILE_SPEC,
8310         LINK_GCC_C_SEQUENCE_SPEC, USE_LD_AS_NEEDED, TARGET_C99_FUNCTIONS):
8311         Delete.
8312         * config.gcc (sh*-*-linux*): Use config/linux.h.
8313
8314 2005-02-28  Dale Johannesen  <dalej@apple.com>
8315             Stan Shebs  <shebs@apple.com>
8316
8317         Rewrite of 64-bit Darwin structure-by-value pass/return.
8318         * config/rs6000/rs6000.h (CUMULATIVE_ARGS): New fields
8319         intoffset, use_stack, named.
8320         * config/rs6000/rs6000.c (rs6000_darwin64_function_arg):  Remove.
8321         (rs6000_darwin64_record_arg_advance_flush):  New.
8322         (rs6000_darwin64_record_arg_advance_recurse): New.
8323         (rs6000_darwin64_record_arg_flush):  New.
8324         (rs6000_darwin64_record_arg_recurse):  New.
8325         (rs6000_darwin64_record_arg):  New.
8326         (rs6000_return_in_memory):  Remove AGGREGATE_TYPE_P check.
8327         (function_arg_boundary):  Handle 128-bit aligned structs.
8328         (function_arg_advance):  Rewrite darwin64 struct handling.
8329         (function_arg):  Call rs6000_darwin64_record_arg.
8330         (function_arg_partial_nregs):  Handle darwin64 structs.
8331         (rs6000_darwin64_function_value):  Remove.
8332         (rs6000_function_value):  Call rs6000_darwin64_record_arg.
8333
8334 2005-02-28  Roger Sayle  <roger@eyesopen.com>
8335
8336         PR tree-optimization/20216
8337         * tree-chrec.c (tree_fold_factorial): Delete.
8338         (tree_fold_binomial): Change argument list to take a return type
8339         and change the type of K to unsigned int.  Rewrite to avoid explicit
8340         evaluation of factorials, and (recursively) calling fold to perform
8341         compile-time arithmetic.  Return NULL on (internal) overflow.
8342         (chrec_evaluate): Change type of K to an unsigned int.  Avoid
8343         calling tree_fold_binomial unnecessarily.  Return chrec_dont_know
8344         if any intermediate calculation overflows.
8345         (chrec_apply): Update call to chrec_evaluate.
8346
8347 2005-02-28  James E Wilson  <wilson@specifixinc.com>
8348
8349         * config/mips/mips.h (NO_PROFILE_COUNTERS): Define.
8350
8351 2005-02-28  Joseph S. Myers  <joseph@codesourcery.com>
8352
8353         PR c/20245
8354         * c-parser.c (c_parser_compound_statement): Return error_mark_node
8355         instead of NULL_TREE on error.
8356
8357 2005-02-28  David Edelsohn  <edelsohn@gnu.org>
8358
8359         * config/rs6000/rs6000.c (EASY_VECTOR_15): Remove.
8360         (EASY_VECTOR_15_ADD_SELF): Remove.
8361         (num_insns_constant_wide): Not static.
8362         (validate_condition_mode): Not static.
8363         (toc_relative_expr_p): Not static.
8364         (legitimate_indirect_address_p): Not static.
8365         (macho_lo_sum_memory_operand): Not static.
8366         (invalid_e500_subreg): Not static.
8367         (easy_vector_same): Not static.
8368         (easy_vector_splat_const): Not static.
8369         (RS6000_SYMBOL_REF_TLS_P): Remove.
8370         (any_operand): Delete.
8371         (any_parallel_operand): Delete.
8372         (count_register_operand): Delete.
8373         (altivec_register_operand): Delete.
8374         (xer_operand): Delete.
8375         (s8bit_cint_operand): Delete.
8376         (short_cint_operand): Delete.
8377         (u_short_cint_operand): Delete.
8378         (non_short_cint_operand): Delete.
8379         (exact_log2_cint_operand): Delete.
8380         (gpc_reg_operand): Delete.
8381         (cc_reg_operand): Delete.
8382         (cc_reg_not_cr0_operand): Delete.
8383         (reg_or_short_operand): Delete.
8384         (reg_or_neg_short_operand): Delete.
8385         (reg_or_aligned_short_operand): Delete.
8386         (reg_or_u_short_operand): Delete.
8387         (reg_or_cint_operand): Delete.
8388         (reg_or_arith_cint_operand): Delete.
8389         (reg_or_add_cint64_operand): Delete.
8390         (reg_or_sub_cint64_operand): Delete.
8391         (reg_or_logical_cint_operand): Delete.
8392         (got_operand): Delete.
8393         (got_no_const_operand): Delete.
8394         (easy_fp_constant): Delete.
8395         (easy_vector_constant): Delete.
8396         (easy_vector_constant_add_self): Delete.
8397         (zero_constant): Delete.
8398         (zero_fp_constant): Delete.
8399         (volatile_mem_operand): Delete.
8400         (offsettable_mem_operand): Delete.
8401         (mem_or_easy_const_operand): Delete.
8402         (add_operand): Delete.
8403         (non_add_cint_operand): Delete.
8404         (logical_operand): Delete.
8405         (non_logical_cint_operand): Delete.
8406         (mask_operand): Delete.
8407         (mask_operand_wrap): Delete.
8408         (mask64_operand): Delete.
8409         (mask64_2_operand): Delete.
8410         (and64_operand): Delete.
8411         (and64_2_operand): Delete.
8412         (and_operand): Delete.
8413         (reg_or_mem_operand): Delete.
8414         (lwa_operand): Delete.
8415         (symbol_ref_operand): Delete.
8416         (call_operand): Delete.
8417         (current_file_function_operand): Delete.
8418         (input_operand): Delete.
8419         (rs6000_nonimmediate_operand): Delete.
8420         (rs6000_tls_symbol_ref): Delete.
8421         (save_world_operation): Delete.
8422         (restore_world_operation): Delete.
8423         (load_multiple_operation): Delete.
8424         (store_multiple_operation): Delete.
8425         (vrsave_operation): Delete.
8426         (mfcr_operation): Delete.
8427         (mtcrf_operation): Delete.
8428         (lmw_operation): Delete.
8429         (stmw_operation): Delete.
8430         (branch_comparison_operator): Delete.
8431         (branch_positive_comparison_operator): Delete.
8432         (scc_comparison_operator): Delete.
8433         (trap_comparison_operator): Delete.
8434         (boolean_operator): Delete.
8435         (boolean_or_operator): Delete.
8436         (min_max_operator): Delete.
8437         * config/rs6000/rs6000.h (RS6000_SYMBOL_REF_TLS_P): Move to here.
8438         (EASY_VECTOR_15): Moved to here.
8439         (EASY_VECTOR_15_ADD_SELF): Move to here.
8440         (PREDICATE_CODES): Delete.
8441         * config/rs6000/rs6000-protos.h: Delete predicate functions.
8442         Declare functions no longer static.
8443         * config/rs6000/predicates.md: New.
8444         * config/rs6000/rs6000.md: Include predicates.md
8445
8446 2005-02-28  Kazu Hirata  <kazu@cs.umass.edu>
8447
8448         * calls.c (emit_call_1): Don't use  REG_ALWAYS_RETURN.
8449         (emit_library_call_value_1): Don't use LCT_ALWAYS_RETURN and
8450         REG_ALWAYS_RETURN.
8451         * cfgrtl.c (need_fake_edge_p): Likewise.
8452         * combine.c (distribute_notes): Likewise.
8453         * emit-rtl.c (try_split): Likewise.
8454         * recog.c (peephole2_opimize): Likewise.
8455         * reg-notes.def (ALWAYS_RETURN): Remove.
8456         * rtl.h (LCT_ALWAYS_RETURN): Remove.
8457         * tree-cfg.c (need_fake_edge_p): Don't use ECF_ALWAYS_RETURN.
8458         * tree.h (ECF_ALWAYS_RETURN): Remove.
8459
8460 2005-02-28  Roger Sayle  <roger@eyesopen.com>
8461
8462         PR middle-end/19874
8463         * tree-ssa.c (tree_ssa_useless_type_conversion_1): A conversion
8464         between different machine modes is never a "useless" conversion.
8465
8466 2005-02-28  Geert Bosch  <bosch@gnat.com>
8467
8468         PR ada/15977
8469         * doc/contrib.texi: List contributors for Ada front end
8470
8471 2005-02-28 Paolo Bonzini <bonzini@gnu.org>
8472
8473         * simplify-rtx.c (simplify_unary_operation_1,
8474         simplify_const_unary_operation): New, extracted from...
8475         (simplify_unary_operation): ... this one.
8476         (simplify_binary_operation_1,
8477         simplify_const_binary_operation): New, extracted from...
8478         (simplify_binary_operation): ... this one.
8479         * rtl.h (simplify_const_unary_operation,
8480         simplify_const_binary_operation): Add prototypes.
8481
8482 2005-02-28  Julian Brown  <julian@codesourcery.com>
8483
8484         * config/elfos.h: Revert my patch from 2005-02-25 since it broke
8485         building libjava and caused PR regression/20228.
8486
8487 2005-02-28  Paolo Bonzini  <bonzini@gnu.org>
8488
8489         PR bootstrap/17383
8490         * Makefile.in (host_subdir): New.
8491         (build_objdir): New.  Replace ../$(build_subdir) with it throughout.
8492         * configure: Regenerate.
8493
8494 2005-02-27  Zack Weinberg  <zack@codesourcery.com>
8495
8496         * config/alpha/t-osf4, config/arm/t-netbsd, config/ia64/t-hpux
8497         * config/pa/t-hpux-shlib (SHLIB_INSTALL): Create the
8498         installation directory first.
8499
8500 2005-02-28  Hans-Peter Nilsson  <hp@axis.com>
8501
8502         PR target/19065.
8503         * config/cris/cris.h (EXTRA_CONSTRAINT_Q): Accept only (mem (reg)),
8504         not including (reg). Do not check for reg being CRIS_PC_REGNUM.
8505         (EXTRA_MEMORY_CONSTRAINT): Define as 'Q'.
8506         * config/cris/cris.md: Tweak comments referring to Q.
8507         ("cmpsi", "cmphi", "cmpqi", "*movsi_internal", "movhi")
8508         ("movstricthi", "movqi", "movstrictqi", "movsf", "addsi3")
8509         ("addhi3", "addqi3", "subsi3", "subhi3", "subqi3")
8510         ("*expanded_andsi", "*expanded_andhi", "*andhi_lowpart", "andqi3")
8511         ("*andqi_lowpart", "iorsi3", "iorhi3", "iorqi3", "uminsi3"):
8512         Insert spaces in constraints to align alternatives vertically for
8513         readability.
8514         ("cmphi"): Ditto.  Add separate alternative for operand 0 "r",
8515         operand 1: "M".
8516
8517 2005-02-27  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
8518
8519         PR rtl-optimization/17728
8520         * pa.md (mulsi3, divsi3, udivsi3, modsi3): Change predicate for
8521         operand 0 from general_operand to move_dest_operand.
8522
8523 2005-02-26  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
8524
8525         * pa/elf.h, pa/som.h (ASM_OUTPUT_EXTERNAL): Use assemble_name_raw
8526         instead of trying to save and restore TREE_SYMBOL_REFERENCED.
8527         * pa/pa64-hpux.h (ASM_OUTPUT_TYPE_DIRECTIVE): Define.
8528         (ASM_OUTPUT_EXTERNAL): Don't save and restore TREE_SYMBOL_REFERENCED.
8529
8530 2005-02-26  Nathanael Nerode  <neroden@gcc.gnu.org>
8531
8532         * configure.ac: Rename cc_for_cross_gnattools to host_cc_for_libada.
8533         * configure: Regenerate.
8534         * libada-mk.in: Remove CC; rename
8535         cc_for_cross_gnattools / cc_set_by_configure to host_cc_for_libada.
8536
8537 2005-02-26  Andrew Pinski  <pinskia@physics.uc.edu>
8538
8539         PR tree-opt/20188
8540         * tree-ssa-alias.c (count_uses_and_derefs): If we have TREE_LIST
8541         for the lhs, also walk over the tree.  Likewise for rhs.
8542
8543 2005-02-26  Zdenek Dvorak  <dvorakz@suse.cz>
8544
8545         * tree-ssa-dom.c (simple_iv_increment_p): New function.
8546         (simplify_rhs_and_lookup_avail_expr, eliminate_redundant_computations):
8547         Do not propagate value of iv before increment over the increment.
8548
8549 2005-02-25  Joseph S. Myers  <joseph@codesourcery.com>
8550
8551         * c-parser.c: New file.
8552         * c-parse.in: Remove.
8553         * Makefile.in (c-parse.o-warn, c-parse.o, c-parse.c, c-parse.y):
8554         Remove.
8555         (c-parser.o): Add dependencies.
8556         (C_AND_OBJC_OBJC, C_OBJS, gcc.srcextra, GTFILES, distclean,
8557         maintainer-clean, TAGS): Update.
8558         * c-config-lang.in (gtfiles): Update.
8559         * gengtype-lex.l: Don't handle "@@".
8560         * stub-objc.c (objc_get_class_ivars, objc_build_throw_stmt,
8561         objc_build_synchronized, objc_begin_try_stmt,
8562         objc_begin_catch_clause, objc_finish_catch_clause,
8563         objc_build_finally_clause, objc_finish_try_stmt): New.
8564         * c-tree.h (struct c_declspecs): Add declspecs_seen_p and
8565         type_seen_p.
8566         (c_parse_init): Update comment.
8567         * c-decl.c (c_init_decl_processing): Update comment.
8568         (build_null_declspecs, declspecs_add_qual, declspecs_add_type,
8569         declspecs_add_scspec, declspecs_add_attrs): Initialize and update
8570         new c_declspecs members.
8571
8572 2005-02-25  Julian Brown  <julian@codesourcery.com>
8573
8574         * config/elfos.h (MAKE_DECL_ONE_ONLY): Redefined to stop DECL_WEAK
8575         from being used for symbols with vague linkage when
8576         HAVE_GAS_COMDAT_GROUP is true.
8577
8578 2005-02-25  Mark Mitchell  <mark@codesourcery.com>
8579
8580         * doc/include/gcc-common.texi (version-GCC): Update to 4.1.
8581
8582 2005-02-25  Steve Ellcey  <sje@cup.hp.com>
8583
8584         PR target/19930
8585         * doc/tm.texi (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Document.
8586         (LIBGCC2_HAS_DF_MODE): New.
8587         (LIBGCC2_HAS_XF_MODE): New.
8588         (LIBGCC2_HAS_TF_MODE): New.
8589         * libgcc2.h (LIBGCC2_HAS_XF_MODE): New name for HAVE_XFMODE.
8590         (LIBGCC2_HAS_TF_MODE): New name for HAVE_TFMODE.
8591         * libgcc2.c (LIBGCC2_HAS_XF_MODE): New name for HAVE_XFMODE.
8592         (LIBGCC2_HAS_TF_MODE): New name for HAVE_TFMODE.
8593         (LIBGCC2_HAS_DF_MODE): New name for HAVE_DFMODE.
8594         * config/ia64/t-ia64 (LIB1ASMFUNCS): Remove __compat
8595         and add _fixtfdi, _fixunstfdi, _floatditf
8596         * lib1funcs.asm: Remove L__compat. Add L_fixtfdi,
8597         L_fixunstfdi, L_floatditf.
8598         * config/ia64/hpux.h (LIBGCC2_HAS_XF_MODE): Define.
8599         (LIBGCC2_HAS_TF_MODE): Define.
8600
8601 2005-02-25  Diego Novillo  <dnovillo@redhat.com>
8602
8603         PR tree-optimization/20204
8604         * tree-into-ssa.c (insert_phi_nodes_for): Do not use
8605         REWRITE_THIS_STMT markers on PHI nodes.
8606         (rewrite_initialize_block): Likewise.
8607
8608 2005-02-25  Mark Mitchell  <mark@codesourcery.com>
8609
8610         * version.c (version_string): Update to 4.1.
8611
8612 2005-02-25  Paolo Carlini  <pcarlini@suse.de>
8613
8614         * doc/extend.texi (5.24 Declaring Attributes of Functions)<noreturn>:
8615         Clarify that the alternative way doesn't work in GNU C++.
8616
8617 2005-02-25  Zdenek Dvorak  <dvorakz@suse.cz>
8618
8619         PR tree-optimization/19937
8620         * tree-ssa-loop-ivopts.c (rewrite_use_compare): Cast the final value
8621         to the type of the induction variable.
8622
8623 2005-02-25  Kaz Kojima  <kkojima@gcc.gnu.org>
8624
8625         PR rtl-optimization/20117
8626         * bb-reorder.c (duplicate_computed_gotos): Don't duplicate
8627         the block including noncopyable insn.
8628
8629 2005-02-24  Kazu Hirata  <kazu@cs.umass.edu>
8630
8631         * cse.c (delete_trivially_dead_insns): Speed up by minimizing
8632         calls to find_reg_note.
8633
8634 2005-02-24  Richard Henderson  <rth@redhat.com>
8635
8636         PR tree-opt/20127
8637         * tree-sra.c (instantiate_element): Copy TREE_THIS_VOLATILE from
8638         the type.
8639
8640 2005-02-24  Fariborz Jahanian <fjahanian@apple.com>
8641
8642         * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Check for
8643         vector types if to use base reg for misaligned non-word ld/std.
8644
8645 2005-02-24  Hans-Peter Nilsson  <hp@axis.com>
8646
8647         PR target/14619
8648         * config/cris/cris.c (cris_target_asm_function_prologue): Create
8649         dwarf2 label manually and put it after, not before the prologue.
8650
8651 2005-02-24  David Edelsohn  <edelsohn@gnu.org>
8652
8653         PR target/19019
8654         * reload.c (operands_match_p): Only increment register number for
8655         SCALAR_INT_MODE_P modes in multiple hard registers.
8656
8657         * config/rs6000/rs6000.md (trunctfdf2): Remove register constraints.
8658         Fix formatting.
8659
8660 2005-02-24  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
8661
8662         * ChangeLog.5: Fix log message typo(s).
8663         * ChangeLog.7: Likewise.
8664         * ChangeLog.tree-ssa: Likewise.
8665         * cfgexpand.c: Fix comment typo(s).
8666         * conflict.c: Likewise.
8667         * defaults.h: Likewise.
8668         * dwarf2out.c: Likewise.
8669         * gcse.c: Likewise.
8670         * ggc-page.c: Likewise.
8671         * tree-eh.c: Likewise.
8672         * tree-ssa-dom.c: Likewise.
8673
8674 2005-02-24  Jakub Jelinek  <jakub@redhat.com>
8675
8676         PR target/19019
8677         * mklibgcc.in: Pass -DSHARED when compiling all *_s${objext} objects.
8678         * config/rs6000/darwin-ldouble.c: Only use the .symver directives
8679         if SHARED is defined.
8680
8681         PR target/20196
8682         * config/rs6000/rs6000.md (LTU, GTU sCC splitters): Add earlyclobber,
8683         allow splitting only if operands 0 and 3 don't overlap.
8684
8685 2005-02-24  Richard Henderson  <rth@redhat.com>
8686
8687         PR middle-end/19953
8688         * builtins.c (fold_builtin_complex_mul, fold_builtin_complex_div): New.
8689         (fold_builtin_1): Call them.
8690         * fold-const.c (fold_complex_mult_parts): Split out from ...
8691         (fold_complex_mult): ... here.  Fix typo in both imaginary case.
8692         (fold_complex_div_parts, fold_complex_div): New.
8693         (fold): Use them.
8694         * tree.h (fold_complex_mult_parts, fold_complex_div_parts): Declare.
8695
8696 2005-02-24  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
8697
8698         * tree-ssa-ccp.c (visit_assignment): Verify that result of
8699         VIEW_CONVERT_EXPR is_gimple_min_invariant.
8700
8701         * print-tree.c (print_node_brief): Print LABEL_DECL_UID.
8702         (print_node): Likewise.
8703         Print TYPE_SIZES_GIMPLIFIED.
8704
8705 2005-02-24  Hans-Peter Nilsson  <hp@axis.com>
8706
8707         * config/cris/cris.md ("umulhisi3", "umulqihi3", "mulsi3")
8708         ("mulqihi3", "mulhisi3", "mulsidi3", "umulsidi3"): Mark input
8709         operands as commutative in constraints.
8710
8711 2005-02-24  Diego Novillo  <dnovillo@redhat.com>
8712
8713         * tree-into-ssa.c: Re-organize internal functions.
8714
8715 2005-02-24  Richard Henderson  <rth@redhat.com>
8716
8717         PR middle-end/18902
8718         * c-opts.c (c_common_post_options): Set flag_complex_method to 2
8719         for c99.
8720         * common.opt (fcx-limited-range): New.
8721         * opts.c (set_fast_math_flags): Set flag_cx_limited_range.
8722         * toplev.c (flag_complex_method): Initialize to 1.
8723         (process_options): Set flag_complex_method to 0 if
8724         flag_cx_limited_range.
8725         * doc/invoke.texi (-fcx-limited-range): New.
8726
8727 2005-02-24  Kazu Hirata  <kazu@cs.umass.edu>
8728
8729         * cse.c (delete_trivially_dead_insns): Speed up by using
8730         NEXT_INSN and PREV_INSN directly instead of next_real_insn and
8731         prev_real_insn.
8732
8733 2005-02-24  Andrea Tarani  <andrea.tarani@gilbarco.com>
8734
8735         * config/m68k/m68k.c (m68k_save_reg): Also save A5 for non-leaf
8736         functions when -mid-shared-library is being used.
8737
8738 2005-02-23  Daniel Jacobowitz  <dan@codesourcery.com>
8739
8740         * doc/tm.texi (LINK_LIBGCC_SPECIAL): Remove.
8741         (LINK_LIBGCC_SPECIAL_1): Don't mention it.
8742         * gcc.c: Don't check for LINK_LIBGCC_SPECIAL.
8743         * system.h: Poison LINK_LIBGCC_SPECIAL.
8744
8745 2005-02-23  James E Wilson  <wilson@specifixinc.com>
8746
8747         * gengtype.c (note_insn_name): Make 1 element larger.
8748
8749 2005-02-23  Roger Sayle  <roger@eyesopen.com>
8750
8751         PR target/20018
8752         PR rtl-optimization/20097
8753         * simplify-rtx.c (simplify_relational_operation_1): Avoid creating
8754         BImode SUBREGs of SImode registers which confuse the ia64 backend.
8755
8756 2005-02-23  David Edelsohn  <edelsohn@gnu.org>
8757
8758         * t-aix43 (SHLIB_INSTALL): Create directory for shared library.
8759         * t-aix52 (SHLIB_INSTALL): Same.
8760
8761 2005-02-23  Kazu Hirata  <kazu@cs.umass.edu>
8762
8763         * genpreds.c: Update copyright.
8764
8765 2005-02-23  Michael Beach  <michaelb@ieee.org>
8766
8767         PR target/20159
8768         * config/sparc/t-elf (startup files): Assemble with CPP.
8769
8770 2005-02-23  Paolo Bonzini  <bonzini@gnu.org>
8771
8772         * genpreds.c (mark_mode_tests): Handle non-VOIDmode match_operands.
8773         (write_predicate_expr): Likewise.
8774
8775 2005-02-22  Diego Novillo  <dnovillo@redhat.com>
8776
8777         PR tree-optimization/20100
8778         PR tree-optimization/20115
8779         * tree-optimize.c (init_tree_optimization_passes): Remove
8780         pass_maybe_create_global_var.
8781         * tree-pass.h (pass_maybe_create_global_var): Remove.
8782         * tree-ssa-alias.c (aliases_computed_p): Declare.
8783         (struct alias_info): Add field NUM_PURE_CONST_CALLS_FOUND.
8784         (count_calls_and_maybe_create_global_var): Remove.
8785         (pass_maybe_create_global_var): Remove.
8786         (init_alias_info): Do not declare aliases_computed_p.
8787         (maybe_create_global_var): If the function contains no
8788         call-clobbered variables and a mix of pure/const and regular
8789         function calls, create .GLOBAL_VAR.
8790         Mark all call-clobbered variables for renaming.
8791         (merge_pointed_to_info): Update comment.
8792         (add_pointed_to_var): Likewise.
8793         (is_escape_site): Likewise.
8794         Accept struct alias_info * instead of size_t *.
8795         Update all users.
8796         Update AI->NUM_CALLS_FOUND and AI->NUM_PURE_CONST_CALLS_FOUND
8797         as necessary.
8798         * tree-ssa-operands.c (get_call_expr_operands): If
8799         ALIASES_COMPUTED_P is false, do not add call-clobbering
8800         operands.
8801         * tree-ssa.c (init_tree_ssa): Set ALIASES_COMPUTED_P to false.
8802         (delete_tree_ssa): Likewise.
8803
8804 2005-02-22  James E Wilson  <wilson@specifixinc.com>
8805
8806         * toplev.c (backend_init): Don't call init_adjust_machine_modes here.
8807         (do_compile): Do call it here.
8808
8809 2005-02-22  Kazu Hirata  <kazu@cs.umass.edu>
8810
8811         PR rtl-optimization/20017.
8812         * passes.c (rest_of_handle_combine, rest_of_handle_cse,
8813         rest_of_handle_cse2, rest_of_handle_gcse): Call
8814         delete_dead_jumptables immediately before calling cleanup_cfg.
8815
8816 2005-02-22  Devang Patel  <dpatel@apple.com>
8817
8818         PR 19952
8819         * tree-if-conv.c (process_phi_nodes): Use bsi_after_labels and skip
8820         all labels
8821
8822 2005-02-22  David Edelsohn  <edelsohn@gnu.org>
8823
8824         * config/rs6000/aix.h (WINT_TYPE): Define.
8825
8826 2005-02-22  Stan Shebs  <shebs@apple.com>
8827
8828         * config/rs6000/rs6000.c (rs6000_override_options): Default to
8829         natural alignment for 64-bit Darwin.
8830         (rs6000_parse_alignment_option): Warn about uses of -malign-power
8831         on 64-bit Darwin.
8832         * doc/invoke.texi: Document this.
8833
8834 2005-02-22  DJ Delorie  <dj@redhat.com>
8835
8836         * c-common.c (c_common_type_for_mode): Pass the mode's precision
8837         to make_[un]signed_type, not the mode itself.
8838
8839 2005-02-22  Kazu Hirata  <kazu@cs.umass.edu>
8840
8841         * cfg.c (cached_make_edge): Call make_edge if edge cache is
8842         not available.  Use tail calls wherever possible.
8843         (make_edge): Call unchecked_make_edge to create an edge.
8844
8845         * tree-outof-ssa.c (SSANORM_USE_COALESCE_LIST): Remove.
8846         (coalesce_ssa_name): Don't check for
8847         SSANORM_USE_COALESCE_LIST.
8848         (rewrite_out_of_ssa): Don't use SSANORM_USE_COALESCE_LIST.
8849
8850 2005-02-22  Diego Novillo  <dnovillo@redhat.com>
8851
8852         * tree-into-ssa.c (rewrite_blocks): Move debug dumps from ...
8853         (rewrite_into_ssa): ... here.
8854
8855 2005-02-21  Alexandre Oliva  <aoliva@redhat.com>
8856
8857         PR tree-optimization/19786
8858         * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add one
8859         tag to another's may-alias bitmap when adding to the other's list.
8860
8861 2005-02-21  DJ Delorie  <dj@redhat.com>
8862
8863         * tree-ssa-loop-ivopts.c (computation_cost): Start register
8864         numbering at LAST_VIRTUAL_REGISTER+1 to avoid possibly using hard
8865         registers in unsupported ways.
8866         * expmed.c (init_expmed): Likewise.
8867
8868 2005-02-21  Stan Cox  <scox@redhat.com>
8869
8870         * config/iq2000/iq2000.h (DWARF_FRAME_RETURN_COLUMN): Change to 31.
8871
8872 2005-02-21  Kazu Hirata  <kazu@cs.umass.edu>
8873
8874         * tree-cfg.c (fold_cond_expr_cond): New.
8875         (make_edges): Call fold_cond_expr_cond.
8876         (find_taken_edge): Accept nothing but INTEGER_CST.
8877         (find_taken_edge_cond_expr): Reject INTEGER_CST other than 0
8878         and 1.
8879         (find_taken_edge_switch_expr): Remove a check for INTEGER_CST.
8880
8881         * flow.c (delete_dead_jumptables): Speed up by scanning insns
8882         that do not belong to any basic block.
8883
8884 2005-02-21  Jeff Law  <law@redhat.com>
8885
8886         * cfganal.c (find_unreachable_blocks): Manually CSE load of
8887         e->dest.
8888
8889 2005-02-21  Kazu Hirata  <kazu@cs.umass.edu>
8890
8891         * tree-outof-ssa.c (SSANORM_REMOVE_ALL_PHIS): Remove.
8892         (SSANORM_COALESCE_PARTITIONS, SSANORM_USE_COALESCE_LIST):
8893         Adjust their definitions.
8894         (remove_ssa_form): Don't check for SSANORM_REMOVE_ALL_PHIS.
8895         (rewrite_out_of_ssa): Don't use SSANORM_REMOVE_ALL_PHIS.
8896
8897         * c-objc-common.h, c-pretty-print.c, cgraphunit.c, except.c,
8898         genautomata.c, langhooks.c, langhooks.h, system.h,
8899         config/arm/lib1funcs.asm: Update copyright.
8900
8901 2005-02-21  Ulrich Weigand  <uweigand@de.ibm.com>
8902
8903         * dbxout.c (dbxout_function_end): Emit Lscope label always.
8904
8905 2005-02-21  Richard Guenther  <rguenth@gcc.gnu.org>
8906
8907         PR bootstrap/13770
8908         * doc/install.texi: Document --with-gc.
8909
8910 2005-02-21  Paolo Bonzini  <bonzini@gnu.org>
8911
8912         * simplify-rtx.c (simplify_unary_operation): Add a missing
8913         "break" statement.
8914
8915 2005-02-21  Eric Botcazou  <ebotcazou@libertysurf.fr>
8916
8917         PR tree-optimization/18663
8918         * tree-ssa-dom.c (extract_range_from_cond): Return 0
8919         if the type has variable bounds.
8920
8921 2005-02-20  Kazu Hirata  <kazu@cs.umass.edu>
8922
8923         * gcse.c: Remove an obsolete comment.
8924
8925         * cse.c (init_cse_reg_info): Use xmalloc instead of xrealloc.
8926
8927 2005-02-20  Hans-Peter Nilsson  <hp@axis.com>
8928
8929         * doc/extend.texi (Function Attributes) <Attribute const>: The
8930         attribute "pure" is below this text, not above.
8931
8932 2005-02-20  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
8933
8934         * pa.c (pa_assemble_integer, get_plabel): Small cleanups.
8935         (pa_asm_output_mi_thunk): Use asm_output_insn instead of fprintf.
8936         * som.h (ASM_OUTPUT_EXTERNAL_LIBCALL): Small cleanup.
8937
8938 2005-02-20  Zack Weinberg  <zack@codesourcery.com>
8939
8940         PR 18785
8941         * langhooks.h (struct lang_hooks): Add to_target_charset.
8942         * langhooks.c (lhd_to_target_charset): New function.
8943         * langhooks-def.h: Declare lhd_to_target_charset.
8944         (LANG_HOOKS_TO_TARGET_CHARSET): New macro.
8945         (LANG_HOOKS_INITIALIZER): Update.
8946         * c-common.c (c_common_to_target_charset): New function.
8947         * c-common.h: Declare it.
8948         * c-objc-common.h (LANG_HOOKS_TO_TARGET_CHARSET): Set to
8949         c_common_to_target_charset.
8950
8951         * defaults.c (TARGET_BELL, TARGET_BS, TARGET_CR, TARGET_DIGIT0)
8952         (TARGET_ESC, TARGET_FF, TARGET_NEWLINE, TARGET_TAB, TARGET_VT):
8953         Delete definitions.
8954         * system.h: Poison them.
8955         * doc/tm.texi: Don't discuss them.
8956         * builtins.c (fold_builtin_isdigit): Use lang_hooks.to_target_charset.
8957         * c-pretty-print.c (pp_c_integer_constant): Don't use pp_c_char.
8958         (pp_c_char): Do not attempt to generate letter escapes for
8959         newline, tab, etc.
8960         * config/arm/arm.c (output_ascii_pseudo_op): Likewise.
8961         * config/mips/mips.c (mips_output_ascii): Likewise.
8962
8963 2005-02-20  Dorit Naishlos  <dorit@il.ibm.com>
8964
8965         PR tree-optimization/19951
8966         * tree-vect-analyze.c (vect_analyze_loop_form): Check if loop exit edge
8967         is abnormal.
8968
8969 2005-02-19  Steven Bosscher  <stevenb@suse.de>
8970
8971         PR middle-end/19698
8972         * function.h (struct function): New field `max_loop_depth'.
8973         * cfgloop.c (establish_preds): Update maximum loop depth seen so far.
8974         (flow_loops_find): Reset the max loop depth count before finding loops.
8975         * flow.c (MAX_LIVENESS_ROUNDS): New constant.
8976         (update_life_info_in_dirty_blocks): Remove 2002-05-28 workaround.
8977         (calculate_global_regs_live): Make sure the loop will terminate
8978         when the initial sets are not empty.
8979
8980 2005-02-19  Zack Weinberg  <zack@codesourcery.com>
8981
8982         * mklibgcc.in: If libgcc_eh.a would be empty, put a dummy
8983         object inside.
8984         * config/ia64/hpux.h: Don't define LIBGCC_SPEC.
8985
8986 2005-02-19  Richard Sandiford  <rsandifo@redhat.com>
8987
8988         PR other/19525
8989         * doc/invoke.texi: Remove documentation of %M spec.
8990         * gcc.c: Likewise.
8991         (init_spec): Remove %M suffix from -lgcc_s.
8992         (do_spec_1): Remove 'M' case.
8993         * mklibgcc.in: Remove SHLIB_MULTILIB handling.  Expect SHLIB_LINK
8994         to put shared libraries in the multilib directory.  Remove the
8995         shlib_so_soname substitution variable.  Don't add a multilib encoding
8996         to shlib_base_name.  Set shlib_slibdir_qual to the full pathname
8997         reported by -print-multi-os-directory.  Pass @multilib_dir@ to
8998         SHLIB_INSTALL as well as SHLIB_LINK.
8999         * config/t-slibgcc-elf-ver (SHLIB_SONAME): Use @shlib_base_name@.
9000         (SHLIB_NAME): Delete.
9001         (SHLIB_DIR): New macro.
9002         (SHLIB_LINK): Put $(SHLIB_SONAME) and $(SHLIB_SOLINK) in $(SHLIB_DIR).
9003         (SHLIB_INSTALL): Adjust accordingly.
9004         * config/t-slibgcc-darwin: As for t-slibgcc-elf-ver.
9005         * config/t-slibgcc-sld: Likewise.
9006         * config/t-libunwind-elf (SHLIBUNWIND_NAME): Delete.
9007         (SHLIBUNWIND_SONAME): Use @shlib_base_name@.
9008         (SHLIBUNWIND_LINK): Put $(SHLIBUNWIND_SONAME) and $(SHLIB_SOLINK)
9009         in $(SHLIB_DIR).
9010         (SHLIBUNWIND_INSTALL): Adjust accordingly.
9011         * config/i386/t-nwld (SHLIB_SONAME): Delete.
9012         (SHLIB_LINK, SHLIB_INSTALL): Use SHLIB_NAME instead of SHLIB_SONAME.
9013         Use @shlib_base_name@ instead of @shlib_so_name@.
9014         * config/ia64/t-hpux (SHLIB_LINK): Put @shlib_base_name@.so.0
9015         and @shlib_base_name@.so in @multilib_dir@.
9016         (SHLIB_INSTALL): Adjust accordingly.  Add @shlib_slibdir_qual@
9017         to the install path.
9018         * config/mips/t-slibgcc-irix: As for t-slibgcc-elf-ver.
9019         (SHLIB_LINK): Remove previous workaround.
9020         * config/pa/t-hpux-shlib (SHLIB_DIR, SHLIB_SLIBDIR_QUAL): New macros.
9021         (SHLIB_LINK): Put $(SHLIB_SONAME) and $(SHLIB_NAME) in $(SHLIB_DIR).
9022         (SHLIB_INSTALL): Adjust accordingly.  Add $(SHLIB_SLIBDIR_QUAL) to
9023         the install path.
9024         * config/rs6000/t-aix43 (SHLIB_LINK): Put @shlib_base_name@.a in
9025         @multilib_dir@.  Use @multilib_dir@ to check for threading libraries.
9026         (SHLIB_INSTALL): Adjust accordingly.
9027         (SHLIB_LIBS): Use @multilib_dir@ to check for threading libraries.
9028         * config/rs6000/t-aix52: As for config/rs6000/t-aix43.
9029         * config/sh/t-linux (SHLIB_LINK, SHLIB_INSTALL): As for
9030         config/t-slibgcc-elf-ver.
9031
9032 2005-02-19  Zdenek Dvorak  <dvorakz@suse.cz>
9033             Jakub Jelinek  <jakub@redhat.com>
9034
9035         PR tree-optimization/19828
9036         * tree-ssa-loop-im.c: Add a TODO comment.
9037         (movement_possibility): Return MOVE_PRESERVE_EXECUTION for calls
9038         without side-effects.
9039
9040 2005-02-18  James A. Morrison  <phython@gcc.gnu.org>
9041
9042         * tree-ssa-ccp.c (widen_bitfield): Pass type to build_int_cst and don't
9043         call fold_convert.
9044
9045 2005-02-18  James E. Wilson  <wilson@specifixinc.com>
9046
9047         * doc/invoke.texi (IA-64 Options): Delete -mb-step.
9048         * config/ia64/ia64.c (last_group, group_idx): Delete variables.
9049         (errata_find_address_regs, errata_emit_nops, fixup_errata): Delete
9050         functions.
9051         (ia64_reorg): Delete fixup_errata call.
9052         * config/ia64/ia64.h (MASK_B_STEP, TARGET_B_STEP): Delete.
9053         (TARGET_SWITCHES): Delete -mb-step entry.
9054
9055 2005-02-19  Jakub Jelinek  <jakub@redhat.com>
9056
9057         PR c/20043
9058         * c-typeck.c (composite_type): Handle quals in transparent unions.
9059         (type_lists_compatible_p): Likewise.
9060
9061 2005-02-18  Stan Shebs  <shebs@apple.com>
9062
9063         * config/darwin.c (machopic_select_rtx_section): Don't put relocatable
9064         expressions in the .literal8 section.
9065
9066 2005-02-18  Geoffrey Keating  <geoffk@apple.com>
9067
9068         * config/rs6000/darwin-tramp.asm: Remove stray 'APPLE LOCAL' marker.
9069
9070 2005-02-18  Roger Sayle  <roger@eyesopen.com>
9071
9072         * fold-const.c (constant_boolean_node): Always create values of the
9073         specified type, don't bother calling truthvalue_conversion.
9074
9075 2005-02-18  Joseph S. Myers  <joseph@codesourcery.com>
9076
9077         * except.c (output_function_exception_table): Call
9078         assemble_external_libcall (eh_personality_libfunc).
9079
9080 2005-02-18  Joseph S. Myers  <joseph@codesourcery.com>
9081
9082         PR target/19886
9083         * config/ia64/ia64.h (struct machine_function): Add state_num.
9084         * config/ia64/ia64.c (process_epilogue,
9085         process_for_unwind_directive): Use new unwind state numbers each
9086         time rather than state 1.
9087
9088 2005-02-18  Ulrich Weigand  <uweigand@de.ibm.com>
9089
9090         PR target/20054
9091         * config/s390/s390.md ("*llgt_sidi", "*llgt_sidi_split"): Move to
9092         before the "*llgt_didi" pattern.
9093
9094 2005-02-18  Jason Merrill  <jason@redhat.com>
9095
9096         * gimplify.c (gimplify_modify_expr_rhs) [CALL_EXPR]: Revert again.
9097
9098 2005-02-18  Richard Earnshaw  <rearnsha@arm.com>
9099
9100         * arm/lib1funcs.asm (FUNC_ALIAS): New macro.
9101         (div0): Use it in place of ARM_FUNC_ALIAS.
9102         (lshrdi3, ashrdi3, ashlrdi3): Likewise.
9103
9104 2005-02-18  Andrew Pinski  <pinskia@physics.uc.edu>
9105
9106         PR middle-end/20030
9107         * fold-const.c (fold_indirect_ref_1): Use the correct index for zero
9108         access, the lower bound of the array type if it exists.
9109
9110 2005-02-18  Alexandre Oliva  <aoliva@redhat.com>
9111
9112         PR c++/20008
9113         * stmt.c (expand_case): Don't assume cleanup_tree_cfg will remove
9114         cases that are out-of-range for the index type.
9115
9116 2005-02-18  James A. Morrison  <phython@gcc.gnu.org>
9117
9118         * stmt.c (emit_case_bit_tests): Call fold_convert instead of convert.
9119         (estimate_case_costs): Don't call convert.
9120         * expmed.c (expand_shift): Likewise.
9121         (make_tree): Call fold_convert instead of convert.
9122
9123 2005-02-18  Jakub Jelinek  <jakub@redhat.com>
9124
9125         PR c++/19813
9126         * emit-rtl.c (set_mem_attributes_minus_bitpos): Add assertion
9127         that ref to be marked MEM_READONLY_P doesn't have base that needs
9128         constructing.
9129
9130 2005-02-18  Joseph S. Myers  <joseph@codesourcery.com>
9131
9132         * genautomata.c (output_get_cpu_unit_code_func,
9133         output_cpu_unit_reservation_p): Don't generate old-style function
9134         definitions.
9135
9136 2005-02-18  Jakub Jelinek  <jakub@redhat.com>
9137
9138         PR c++/20023
9139         PR tree-optimization/20009
9140         * convert.c (convert_to_integer): Revert 2005-02-16 change.
9141
9142         PR tree-optimization/18947
9143         * cgraphunit.c (cgraph_finalize_function): When redefining an extern
9144         inline, remove all nodes that are inlined into the extern inline
9145         being redefined.
9146
9147 2005-02-17  Kazu Hirata  <kazu@cs.umass.edu>
9148
9149         * bt-load.c, cfgloop.c, convert.c, dominance.c, global.c,
9150         loop-invariant.c, stmt.c, tree-ssa-forwprop.c,
9151         tree-ssa-live.c, tree-ssanames.c, tree-vn.c,
9152         config/host-linux.c, config/arm/fpa.md, config/avr/avr.h:
9153         Update copyright.
9154
9155 2005-02-17  Roger Sayle  <roger@eyesopen.com>
9156
9157         PR tree-optimization/19917
9158         * tree-eh.c (tree_could_trap_p): Consider calls to weak functions
9159         to be potentially trapping.
9160
9161 2005-02-17  Kazu Hirata  <kazu@cs.umass.edu>
9162
9163         * libgcc2.c, tree-vect-analyze.c: Fix comment typos.
9164
9165 2005-02-17  Andreas Krebbel  <krebbel1@de.ibm.com>
9166
9167         * builtins.c (expand_builtin_return_addr): Remove tem parameter.
9168         tem becomes a local variable which is set to the value of the
9169         back end defined INITIAL_FRAME_ADDRESS macro.
9170         (expand_builtin_frame_address): Omit the base parameter to
9171         expand_builtin_return_addr.
9172         (expand_builtin_profile_func): Likewise.
9173         * config/s390/s390.h (INITIAL_FRAME_ADDRESS_RTX): Define new macro.
9174         (DYNAMIC_CHAIN_ADDRESS): Remove the case for the initial frame.
9175         * doc/tm.texi: Documentation for INITIAL_FRAME_ADDRESS_RTX added.
9176
9177 2005-02-17  Jakub Jelinek  <jakub@redhat.com>
9178
9179         * config/s390/s390.c (s390_alloc_pool, s390_free_pool,
9180         s390_chunkify_start): Use BITMAP_ALLOC and BITMAP_FREE.
9181         * config/frv/frv.c (frv_function_epilogue): Likewise.
9182
9183 2005-02-17  Daniel Berlin  <dberlin@dberlin.org>
9184
9185         * lambda-code (perfect_nestify): Remove mark/unmark
9186         for rewriting hack.
9187         * tree-loop-linear.c (linear_transform_loops): Add
9188         rewrite_into_ssa call so that ssa is correct for
9189         rewriting into loop closed.
9190
9191 2005-02-17  Nathan Sidwell  <nathan@codesourcery.com>
9192
9193         * bitmap.h (BITMAP_XMALLOC, BITMAP_XFREE): Remove.
9194         * bb-reorder.c (duplicate_computed_gotos): Use BITMAP_ALLOC and
9195         BITMAP_FREE.
9196         * bt-load.c (btr_def_live_range, combine_btr_defs,
9197         migrate_btr_def, migrate_btr_defs): Likewise.
9198         * cfgcleanup.c (thread_jump): Likewise.
9199         * cfgloop.c (get_loop_body_in_bfs_order): Likewise.
9200         * df.c (df_insn_table_realloc, df_bitmaps_alloc, df_bitmaps_free,
9201         df_alloc, df_free, df_du_chain_create, df_bb_rd_local_compute,
9202         df_rd_local_compute, df_reg_info_compute): Likewise.
9203         * dominance.c (init_dom_info, free_dom_info): Likewise.
9204         * flow.c (init_propagate_block_info,
9205         free_propagate_block_info): Likewise.
9206         * gcse.c (alloc_gcse_mem, free_gcse_mem): Likewise.
9207         * global.c (allocate_bb_info, free_bb_info, calculate_reg_pav,
9208         modify_reg_pav): Likewise.
9209         * loop-invariant.c (find_defs, find_invariant_insn,
9210         find_invariants, free_inv_motion_data): Likewise.
9211         * predict.c (tree_predict_by_opcode,
9212         estimate_bb_frequencies): Likewise.
9213         * stmt.c (expand_case): Likewise.
9214         * tree-cfg.c (tree_duplicate_sese_region): Likewise.
9215         * tree-dfa.c (mark_new_vars_to_rename): Likewise.
9216         * tree-if-conv.c (get_loop_body_in_if_conv_order): Likewise.
9217         * tree-into-ssa.c (insert_phi_nodes_for, def_blocks_free,
9218         get_def_blocks_for, mark_def_site_blocks, rewrite_into_ssa,
9219         rewrite_ssa_into_ssa): Likewise.
9220         * tree-optimize.c (tree_rest_of_compilation): Likewise.
9221         * tree-outof-ssa.c (new_temp_expr_table, free_temp_expr_table,
9222         analyze_edges_for_bb, perform_edge_inserts): Likewise.
9223         * tree-scalar-evolution.c (scev_initialize, scev_finalize): Likewise.
9224         * tree-sra.c (tree_sra): Likewise.
9225         * tree-ssa-alias.c (init_alias_info, delete_alias_info): Likewise.
9226         * tree-ssa-ccp.c (ccp_fold_builtin): Likewise.
9227         * tree-ssa-dce.c (tree_dce_init, tree_dce_done): Likewise.
9228         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Likewise.
9229         * tree-ssa-dse.c (tree_ssa_dse): Likewise.
9230         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_var):
9231         Likewise.
9232         * tree-ssa-live.c (new_tree_live_info, delete_tree_live_info,
9233         calculate_live_on_entry, calculate_live_on_exit,
9234         build_tree_conflict_graph): Likewise.
9235         * tree-ssa-loop-ivopts.c (tree_ssa_iv_optimize_init, record_use,
9236         record_important_candidates, set_use_iv_cost, find_depends,
9237         determine_use_iv_costs, iv_ca_new, iv_ca_free, free_loop_data,
9238         tree_ssa_iv_optimize_finalize): Likewise.
9239         * tree-ssa-loop-manip.c (add_exit_phis_var, get_loops_exit,
9240         find_uses_to_rename_use, rewrite_into_loop_closed_ssa,
9241         tree_duplicate_loop_to_header_edge): Likewise.
9242         * tree-ssa-pre.c (init_pre, fini_pre): Likewise.
9243         * tree-ssa.c (verify_flow_insensitive_alias_info,
9244         verify_name_tags, verify_ssa, init_tree_ssa,
9245         delete_tree_ssa): Likewise.
9246         * tree-ssanames.c (marked_ssa_names, init_ssanames,
9247         fini_ssanames): Likewise.
9248         * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Likewise.
9249
9250 2005-02-17  Ralf Corsepius  <ralf.corsepius@rtems.org>
9251
9252         * config/rs6000/t-rtems: Completely reworked.
9253
9254 2005-02-17  Ira Rosen  <irar@il.ibm.com>
9255
9256         * tree-data-ref.c (array_base_name_differ_p): Remove gcc_assert.
9257
9258 2005-02-17  Ira Rosen  <irar@il.ibm.com>
9259
9260         * tree-vect-analyze.c (vect_analyze_pointer_ref_access): Use
9261         POINTER_TYPE_P when checking that type is a pointer.
9262         (vect_get_memtag): Remove.
9263         (vect_address_analysis): Use POINTER_TYPE_P. Call
9264         vect_object_analysis with dummy parameter for memtag.
9265         (vect_object_analysis): Extract memtag (functionality that
9266         used to be in vect_get_memtag and moved here). Fix printings.
9267         (vect_analyze_data_refs): Fix comment. Call vect_object_analysis
9268         with correct parameters. Remove call to vect_get_memtag.
9269
9270 2005-02-17  Dorit Naishlos  <dorit@il.ibm.com>
9271
9272         * Makefile.in (tree-vect-analyze.o, tree-vect-transform.o): New.
9273         (tree-vectorizer.o): Added missing dependencies.
9274
9275         * tree-vectorizer.h (vect_dump, vect_verbosity_level): Added extern
9276         decleration.
9277         (slpeel_tree_peel_loop_to_edge): Function externalized (had a static
9278         declaration in tree-vectorizer.c, now has an extern declaration in
9279         tree-vectorizer.h).
9280         (slpeel_make_loop_iterate_ntimes, slpeel_can_duplicate_loop_p,
9281         slpeel_verify_cfg_after_peeling, vect_strip_conversion,
9282         get_vectype_for_scalar_type, vect_is_simple_use,
9283         vect_is_simple_iv_evolution, vect_can_force_dr_alignment_p,
9284         vect_supportable_dr_alignment, new_loop_vec_info, destroy_loop_vec_info,
9285         new_stmt_vec_info, vect_analyze_loop, vectorizable_load,
9286         vectorizable_store, vectorizable_operation, vectorizable_assignment,
9287         vect_transform_loop, vect_print_dump_info, vect_set_verbosity_level,
9288         find_loop_location): Likewise.
9289
9290         * tree-vectorizer.c (langhooks.h): #include removed.
9291         (slpeel_tree_peel_loop_to_edge): Function externalized. Declaration
9292         moved to tree-vectorized.h.
9293         (slpeel_make_loop_iterate_ntimes, slpeel_can_duplicate_loop_p,
9294         slpeel_verify_cfg_after_peeling, vect_strip_conversion,
9295         get_vectype_for_scalar_type, vect_is_simple_use,
9296         vect_is_simple_iv_evolution, vect_can_force_dr_alignment_p,
9297         vect_supportable_dr_alignment, new_loop_vec_info,
9298         destroy_loop_vec_info, new_stmt_vec_info, vect_print_dump_info,
9299         vect_set_verbosity_level, find_loop_location): Likewise.
9300
9301         (vect_analyze_loop): Function externalized. Declaration moved to
9302         tree-vectorized.h. Function definition moved to tree-vect-analyze.c.
9303         (vect_analyze_loop_form): Moved to tree-vect-analyze.c.
9304         (vect_mark_stmts_to_be_vectorized, vect_analyze_scalar_cycles,
9305         vect_analyze_data_ref_accesses, vect_analyze_data_ref_dependences,
9306         vect_analyze_data_refs_alignment, vect_compute_data_refs_alignment,
9307         vect_enhance_data_refs_alignment, vect_analyze_operations,
9308         exist_non_indexing_operands_for_use_p, vect_mark_relevant,
9309         vect_stmt_relevant_p, vect_get_loop_niters,
9310         vect_analyze_data_ref_dependence, vect_compute_data_ref_alignment,
9311         vect_analyze_data_ref_access, vect_analyze_pointer_ref_access,
9312         vect_can_advance_ivs_p, vect_get_ptr_offset, vect_analyze_offset_expr,
9313         vect_base_addr_differ_p, vect_object_analysis, vect_address_analysis,
9314         vect_get_memtag): Likewise.
9315
9316         (vectorizable_load): Function externalized. Declaration moved to
9317         tree-vectorized.h. Function definition moved to tree-vect-transform.c.
9318         (vectorizable_store, vectorizable_operation, vectorizable_assignment,
9319         vect_transform_loop): Likewise.
9320         (vect_transform_stmt): Moved to tree-vect-transform.c.
9321         (vect_align_data_ref, vect_create_destination_var,
9322         vect_create_data_ref_ptr, vect_create_index_for_vector_ref,
9323         vect_create_addr_base_for_vector_ref, vect_get_new_vect_var,
9324         vect_get_vec_def_for_operand, vect_init_vector,
9325         vect_finish_stmt_generation, vect_generate_tmps_on_preheader,
9326         vect_build_loop_niters, vect_update_ivs_after_vectorizer,
9327         vect_gen_niters_for_prolog_loop, vect_update_inits_of_dr,
9328         vect_update_inits_of_drs, vect_do_peeling_for_alignment,
9329         vect_do_peeling_for_loop_bound): Likewise.
9330
9331         * tree-vect-analyze.c: New file.
9332         * tree-vect-transform.c: New file.
9333
9334 2005-02-17  Jason Merrill  <jason@redhat.com>
9335
9336         PR mudflap/19319, c++/19317
9337         * gimplify.c (gimplify_modify_expr_rhs) [CALL_EXPR]: Make return
9338         slot explicit.
9339
9340 2005-02-17  Gerald Pfeifer  <gerald@pfeifer.com>
9341
9342         * doc/install.texi (Specific): Update link for Darwin-specific
9343         tool binary site.
9344
9345 2005-02-16  James A. Morrison  <phython@gcc.gnu.org>
9346
9347         * fold-const.c (invert_truthvalue): <INTEGER_CST>: Call
9348         constant_boolean_node.
9349
9350 2005-02-16  David Edelsohn  <edelsohn@gnu.org>
9351
9352         PR target/19019
9353         * config/rs6000/t-aix43 (SHLIB_MAPFILES): Add libgcc-ppc64.ver.
9354         * config/rs6000/t-aix52 (SHLIB_MAPFILES): Same.
9355
9356 2005-02-16  Richard Henderson  <rth@redhat.com>
9357
9358         PR 19920
9359         * libgcc2.c (WORD_SIZE): Remove all definitions; replace uses
9360         with W_TYPE_SIZE.
9361         (HIGH_WORD_COEFF, HIGH_HALFWORD_COEFF): Remove all definitions;
9362         replace uses with Wtype_MAXp1_F.
9363         (L_fixunstfdi, L_fixtfdi, L_floatditf, L_fixunsxfdi, L_fixxfdi,
9364         L_floatdixf, L_fixunsxfsi, L_fixunsdfdi, L_floatdidf, L_fixunsdfsi,
9365         L_powidf2, L_powixf2, L_powitf2, L_muldc3, L_divdc3, L_mulxc3,
9366         L_divxc3, L_multc3, L_divtc3): Protect with HAVE_DFMODE, HAVE_XFMODE,
9367         and HAVE_TFMODE as appropriate.
9368         (__fixunssfDI): Provide an implementation that doesn't need DFmode.
9369         (__floatdisf): Likewise.
9370         * libgcc2.h (LIBGCC2_DOUBLE_TYPE_SIZE): New.
9371         (HAVE_DFMODE, HAVE_XFMODE, HAVE_TFMODE): New.
9372         (Wtype_MAXp1_F): New.
9373         (DFtype, DCtype, __fixdfdi, __floatdidf, __fixunsdfSI, __fixunsdfDI,
9374         __powidf2, __divdc3, __muldc3): Protect with HAVE_DFMODE.
9375
9376 2005-02-16  Richard Earnshaw  <rearnsha@arm.com>
9377
9378         * PR target/19162
9379         * arm.c (arm_apply_result_size): New function.
9380         * arm.h (APPLY_RESULT_SIZE): Define.
9381         * arm-protos.h (arm_apply_result_size): Add prototype.
9382         * arm.md (RO_REGNUM, FPA_F0_REGNUM, FPA_F7_REGNUM): New constants.
9383         (movxf): New expand.
9384         (ldmsi_postinc4_thumb, stmsi_postinc4_thumb): New patterns for Thumb.
9385         (call_value_symbol): Remove predicate for operand 0.
9386         (call_value_insn, sibcall_value, sibcall_value_insn): Likewise.
9387         (untyped_call): Rework to correclty return values for any type.
9388         (untyped_return): New expand.
9389         * fpa.md (movxf_fpa): Simplify and use sfm/lfm when appropriate.
9390
9391 2005-02-16  Stan Shebs  <shebs@apple.com>
9392
9393         * config.gcc (powerpc-*-darwin*): Use fragment for Darwin 8 or later.
9394         * config/rs6000/t-darwin8: New, for 64-bit multilib.
9395
9396 2005-02-16  Eric Botcazou  <ebotcazou@libertysurf.fr>
9397
9398         * doc/install.texi (sparc-sun-solaris2*): Document required GMP
9399         configure settings on Solaris 7 and later.
9400
9401 2005-02-16  Diego Novillo  <dnovillo@redhat.com>
9402
9403         PR tree-optimization/19865
9404         * tree-optimize.c (init_tree_optimization_passes): Run
9405         pass_may_alias after pass_sra.
9406
9407 2005-02-16  Richard Henderson  <rth@redhat.com>
9408             Stuart Hastings  <stuart@apple.com>
9409
9410         PR debug/19521
9411         * dbxout.c (dbxout_function_end): Take decl parameter; update callers.
9412         Do nothing if debug info suppressed for this function.
9413         (dbxout_begin_function): Early exit if debug info suppressed for
9414         this function.
9415
9416 2005-02-16  Kazu Hirata  <kazu@cs.umass.edu>
9417
9418         PR target/20007
9419         * config/ip2k/ip2k.c (ip2k_reorg): Adjust calls to
9420         find_basic_blocks.
9421         * config/sh/sh.c (sh_output_mi_thunk): Likewise.
9422
9423         PR tree-optimization/19967
9424         * builtins.c (expand_builtin_strstr, expand_builtin_strpbrk,
9425         expand_builtin_strchr, expand_builtin_strrchr): Take a new
9426         argument TYPE.  Adjust calls to fold_builtin_XXX.
9427         (expand_builtin, fold_builtin_1): Adjust calls to
9428         expand_builtin_XXX.
9429         (fold_builtin_strchr, fold_builtin_strpbrk,
9430         fold_builtin_strstr, fold_builtin_strrchr): Convert the folded
9431         result to a requested type TYPE.
9432
9433 2005-02-16  Jakub Jelinek  <jakub@redhat.com>
9434
9435         PR middle-end/19857
9436         * fold-const.c (fold): Don't optimize (T)(x & cst) to
9437         (T)x & (T)cst if (T)cst overflows.
9438         * convert.c (convert_to_integer) <case POINTER_TYPE>: Pass
9439         TYPE_UNSIGNED (type) as type_for_size's UNSIGNEDP argument.
9440
9441 2005-02-15  Jeff Law  <law@redhat.com>
9442
9443         * gcse.c (blocks_with_calls): New bitmap.
9444         (alloc_gcse_mem): Allocate it.
9445         (free_gcse_mem): Free it.
9446         (clear_modifY_mem_tables): Clear it.
9447         (record_last_mem_set_info): Set the proper bit in BLOCK_WITH_CALLS
9448         when we encounter CALL_INSNs.
9449         (compute_transp, case MEM): Handle blocks with calls separate
9450         from blocks without calls.  Use bitmap iterators rather than
9451         FOR_EACH_BB.
9452
9453 2005-02-15  Peter O'Gorman  <peter@pogma.com>
9454
9455         PR bootstrap/18810
9456         * mklibgcc.in (vis_hide): Use a temporary object file, not
9457         -o /dev/null.
9458
9459 2005-02-15  Andy Hutchinson  <HutchinsonAndy@netscape.net>
9460
9461         PR target/19924
9462         * config/avr/avr.h (MODES_TIEABLE_P): Define to 1 to allow subreg
9463         access optimization.
9464
9465 2005-02-15  David Edelsohn  <edelsohn@gnu.org>
9466             Alan Modra  <amodra@bigpond.net.au>
9467
9468         PR target/19019
9469         * config/rs6000/darwin-ldouble.c (_xlqadd): Rename to __gcc_qadd.
9470         (_xlqsub): Rename to __gcc_qsub.
9471         (_xlqmul): Rename to __gcc_qmul.
9472         (_xlqdiv): Rename to __gcc_qdiv.
9473         Provide versioned symbol aliases with old names.
9474         * config/rs6000/libgcc-ppc64.ver: Rename symbols.
9475         * config/rs6000/rs6000.c (rs6000_init_libfuncs): Rename symbols.
9476         * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): New.
9477         * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): New.
9478         * config/rs6000/t-newas (LIB2FUNCS_EXTRA): New.
9479
9480 2005-02-15  James A. Morrison  <phython@gcc.gnu.org>
9481
9482         * fold-const.c (fold): Fold -(~A) to A + 1.  Fold ~(-A) to A - 1.
9483         Fold ~(A - 1) and ~(A + -1) to -A.
9484
9485 2005-02-15  James A. Morrison  <phython@gcc.gnu.org>
9486
9487         PR pch/14940
9488         PR target/19300
9489         * config/host-linux.c (linux_gt_pch_use_address): Copy from
9490         config/pa/pa-host.c:pa_gt_pch_use_address.
9491
9492 2005-02-15  Daniel Berlin  <dberlin@dberlin.org>
9493
9494         * tree-vn.c (get_value_handle): Make sure that given an
9495         is_gimple_min_invariant expression, we always return it.
9496
9497 2005-02-15  Kazu Hirata  <kazu@cs.umass.edu>
9498
9499         * passes.c (rest_of_handle_gcse): Fix a comment.
9500
9501 2005-02-15  Jeff Law  <law@redhat.com>
9502
9503         * gcse.c (canon_modify_mem_set_list_set): Kill unnecessary
9504         bitmap.
9505         (alloc_gcse_mem, free_gcse_mem): Corresponding changes.
9506         (canon_list_insert, record_last_mem_set_info): Similarly.
9507         (clear_modify_mem_tables): Similarly.
9508
9509 2005-02-15  Kazu Hirata  <kazu@cs.umass.edu>
9510
9511         * bitmap.c, bitmap.h, lambda-code.c, tree-dfa.c, tree-dump.c,
9512         tree-dump.h, tree-ssa-loop-manip.c, value-prof.c,
9513         config/mips/mips.md, config/rs6000/aix.h,
9514         config/rs6000/beos.h, config/rs6000/sysv4.h: Update copyright.
9515
9516 2005-02-15  Richard Henderson  <rth@redhat.com>
9517
9518         * bb-reorder.c (find_traces_1_round): Force fallthru edge from a
9519         call to be best_edge.
9520
9521 2005-02-14  Kazu Hirata  <kazu@cs.umass.edu>
9522
9523         * basic-block.h: Adjust the prototype for find_basic_blocks.
9524         * cfgbuild.c (find_basic_blocks): Remove unused arguments.
9525         * passes.c (rest_of_handle_loop_optimize): Adjust the call to
9526         find_basic_blocks.
9527
9528         * flow.c (recompute_reg_usage): Remove all arguments.
9529         * passes.c (rest_of_compilation): Adjust the call to
9530         recompute_reg_usage.
9531         * rtl.h: Adjust the prototype for recompute_reg_usage.
9532
9533 2005-02-14  Daniel Berlin  <dberlin@dberlin.org>
9534
9535         * tree-dump.c (dump_files): Update to reflect new member
9536         of dump_file_info.
9537         (dump_register): Add new argument.
9538         Set glob name.
9539         (dump_switch_p_1): Check against glob name if doglob was passed.
9540         (dump_switch_p): Check against regular first, then glob if
9541         we didn't have any hits on the dump name.
9542         * tree-optimize.c (register_one_dump_file):
9543         Pass in glob name as well.
9544         * tree-pass.h (struct dump_file_info): Add glob
9545         member.
9546
9547 2005-02-14  Joseph S. Myers  <joseph@codesourcery.com>
9548
9549         PR preprocessor/16323
9550         * doc/invoke.texi: Document that -Wendif-labels is on by default.
9551
9552 2005-02-14  David Edelsohn  <edelsohn@gnu.org>
9553
9554         PR target/19019
9555         * config/rs6000/rs6000.md (trunctfdf2): Change to define_expand.
9556         (trunctfdf2_internal1): New.
9557         (trunctfdf2_internal2): Renamed from trunctfdf2.
9558
9559 2005-02-14  Diego Novillo  <dnovillo@redhat.com>
9560
9561         PR tree-optimization/19853
9562         * tree-dfa.c (add_referenced_var): Always examine DECL_INITIAL.
9563
9564 2005-02-14  Kazu Hirata  <kazu@cs.umass.edu>
9565
9566         * passes.c (rest_of_handle_loop_optimize): Remove calls to
9567         delete_dead_jumptables and cleanup_cfg.
9568
9569 2005-02-14  Ulrich Weigand  <uweigand@de.ibm.com>
9570
9571         * reload.c (find_reloads): Swap address_reloaded flags when
9572         swapping commutative operands.
9573
9574 2005-02-14  Sebastian Pop  <pop@cri.ensmp.fr>
9575
9576         * lambda-code.c (lambda_loopnest_to_gcc_loopnest, perfect_nestify):
9577         Use standard_iv_increment_position for computing the bsi position
9578         for create_iv.
9579         * tree-ssa-loop-manip.c (create_iv): Add a comment on how to compute
9580         the bsi position.
9581
9582 2005-02-13  Zdenek Dvorak  <dvorakz@suse.cz>
9583
9584         PR target/17428
9585         * cfgrtl.c (safe_insert_insn_on_edge): Avoid extending
9586         life range of hard registers.
9587         * value-prof.c (insn_prefetch_values_to_profile): Only
9588         scan normal insns.
9589
9590         * value-prof.c (rtl_find_values_to_profile): Do not look for values to
9591         profile in libcalls.
9592
9593 2005-02-13  Nathan Sidwell  <nathan@codesourcery.com>
9594
9595         * bitmap.h (bitmap_and_compl_into): Return bool.
9596         * bitmap.c (bitmap_and_compl_into): Return changed flag.
9597
9598 2005-02-13  James A. Morrison  <phython@gcc.gnu.org>
9599
9600         PR tree-optimization/19944
9601         * fold-const.c (fold): Re-add ABS_EXPR folding.
9602
9603 2005-02-13  David Edelsohn  <edelsohn@gnu.org>
9604
9605         PR target/19019
9606         * config/rs6000/aix.h ({TARGET,MASK}_XL_CALL): Rename to
9607         {TARGET,MASK}_XL_COMPAT.
9608         (SUBTARGET_SWITCHES): Rename xl-call to xl-compat.  Use
9609         MASK_XL_COMPAT.
9610         * config/rs6000/beos.h ({TARGET,MASK}_XL_CALL): Remove.
9611         * config/rs6000/rs6000.c (function_arg): Change TARGET_XL_CALL to
9612         TARGET_XL_COMPAT.
9613         (rs6000_arg_partial_bytes): Same.
9614         (rs6000_generate_compare): Generate PARALLEL for compare if TFmode
9615         and XL compatibility enabled.
9616         * config/rs6000/rs6000.h (TARGET_XL_CALL): Rename to TARGET_XL_COMPAT.
9617         * config/rs6000/rs6000.md (cmptf_internal1): Add !TARGET_XL_COMPAT
9618         test to final condition.
9619         (cmptf_internal2): New.
9620         * doc/invoke.texi (RS/6000 Subtarget Options): Change xl-call to
9621         xl-compat.  Add TFmode information to description.
9622
9623 2005-02-13  Kazu Hirata  <kazu@cs.umass.edu>
9624
9625         * flags.h, read-rtl.c, tree-ssa-live.h: Update copyright.
9626
9627 2005-02-13  Jason Merrill  <jason@redhat.com>
9628
9629         PR c++/16405
9630         * fold-const.c (fold_indirect_ref_1): Split out from...
9631         (build_fold_indirect_ref): Here.
9632         (fold_indirect_ref): New fn.
9633         * tree.h: Declare it.
9634         * gimplify.c (gimplify_compound_lval): Call fold_indirect_ref.
9635         (gimplify_modify_expr_rhs): Likewise.
9636         (gimplify_expr): Likewise.
9637
9638 2005-02-13  James A. Morrison  <phython@gcc.gnu.org>
9639
9640         PR tree-optimization/14303
9641         PR tree-optimization/15784
9642         * fold-const.c (fold): Fold ABS_EXPR<x> >= 0 to true, when possible.
9643         Fold ABS_EXPR<x> < 0 to false.  Fold ABS_EXPR<x> == 0 to x == 0 and
9644         ABS_EXPR<x> != 0 to x != 0.
9645
9646 2005-02-12  Kazu Hirata  <kazu@cs.umass.edu>
9647
9648         * c-tree.h, combine.c, expmed.c, flow.c, libgcc2.c,
9649         simplify-rtx.c, tree-ssa-live.h: Fix comment typos.  Follow
9650         spelling conventions.
9651
9652         * passes.c (rest_of_handle_gcse): Don't run cse_main and
9653         delete_trivially_dead_insns too many times.
9654
9655         * passes.c (rest_of_handle_gcse): Remove dead assignments to
9656         tem and tem2.
9657
9658 2005-02-12  Ira Rosen  <irar@il.ibm.com>
9659
9660         * tree-vectorizer.c (vect_get_base_and_offset): Remove.
9661         (vect_is_simple_iv_evolution): Remove redundant parameter
9662         and step check.
9663         (vect_analyze_scalar_cycles): Call vect_is_simple_iv_evolution
9664         without last parameter.
9665         (vect_analyze_pointer_ref_access): Get access_fn as parameter.
9666         Return pointer step. Call vect_is_simple_iv_evolution without
9667         last parameter. Check only that the step is multiple of size
9668         type. Remove stmt_vinfo updates.
9669         (vect_get_memtag_and_dr): Remove.
9670         (vect_get_memtag): New function.
9671         (vect_address_analysis): New function.
9672         (vect_object_analysis): New function.
9673         (vect_analyze_data_refs): Call vect_object_analysis and
9674         vect_get_memtag. Update stmt_vinfo fields.
9675
9676 2005-02-12  Ira Rosen  <irar@il.ibm.com>
9677
9678         * tree-data-ref.c (array_base_name_differ_p): Check that the bases
9679         exist and are objects. Remove checks for pointer.
9680         * tree-vectorizer.c (vect_create_addr_base_for_vector_ref): Use
9681         STMT_VINFO_VECT_DR_BASE_ADDRESS instead of DR_BASE_NAME.
9682         (vect_create_data_ref_ptr): Likewise.
9683         (vect_base_addr_differ_p): New function.
9684         (vect_analyze_data_ref_dependence): Call vect_base_addr_differ_p.
9685         (vect_analyze_pointer_ref_access): Add output parameter - ptr_init.
9686         Don't set the DR_BASE_NAME field of data-ref.
9687         (vect_get_memtag_and_dr): Use ptr_init instead of DR_BASE_NAME.
9688
9689 2005-02-12  Uros Bizjak  <uros@kss-loka.si>
9690
9691         * optabs.h (enum optab_index): Add new OTI_ldexp.
9692         (ldexp_optab): Define corresponding macro.
9693         * optabs.c (init_optabs): Initialize ldexp_optab.
9694         * genopinit.c (optabs): Implement ldexp_optab using ldexp?f3
9695         patterns.
9696         * builtins.c (expand_builtin_mathfn_2): Handle BUILT_IN_LDEXP{,F,L}
9697         using ldexp_optab.
9698         (expand_builtin): Expand BUILT_IN_LDEXP{,F,L} using
9699         expand_builtin_mathfn_2 if flag_unsafe_math_optimizations is set.
9700
9701         * config/i386/i386.md (ldexpsf3, ldexpdf3, ldexpxf3): New expanders
9702         to implement ldexpf, ldexp and ldexpl built-ins as inline x87
9703         intrinsics.
9704
9705 2005-02-12  Ira Rosen  <irar@il.ibm.com>
9706
9707         * tree-vectorizer.h (struct _stmt_vec_info): Rename a field: base
9708         to base_address.
9709         * tree-vectorizer.c (new_stmt_vec_info): Rename the above field of
9710         stmt_vec_info.
9711         (vect_get_base_and_offset): Always return an address.
9712         (vect_create_addr_base_for_vector_ref): Remove treatment for
9713         different data reference types.
9714         (vect_compute_data_ref_alignment): Rename base to base_address in
9715         stmt_vec_info. Get the object in order to force its alignment.
9716         (vect_get_memtag_and_dr): Rename base to base_address in
9717         stmt_vec_info. Extract the object for memtag analysis.
9718
9719 2005-02-12  Hans-Peter Nilsson  <hp@axis.com>
9720
9721         PR regression/19898.
9722         * config/cris/cris.c (cris_notice_update_cc): When testing if insn
9723         changes cc_status, use apply modified_in_p to part of cc_status
9724         and insn, not cris_reg_overlap_mentioned_p on SET_DEST of insn
9725         body.
9726
9727 2005-02-11  Richard Henderson  <rth@redhat.com>
9728
9729         * tree-complex.c (expand_complex_libcall): New.
9730         (expand_complex_multiplication): Use it for c99 compliance.
9731         (expand_complex_division): Likewise.
9732         * fold-const.c (fold_complex_add, fold_complex_mult): New.
9733         (fold): Call them.
9734         * builtins.c (built_in_names): Remove const.
9735         * tree.c (build_common_builtin_nodes): Build complex arithmetic
9736         builtins.
9737         * tree.h (BUILT_IN_COMPLEX_MUL_MIN, BUILT_IN_COMPLEX_MUL_MAX): New.
9738         (BUILT_IN_COMPLEX_DIV_MIN, BUILT_IN_COMPLEX_DIV_MAX): New.
9739         (built_in_names): Remove const.
9740         * c-common.c (c_common_type_for_mode): Handle complex modes.
9741         * flags.h, toplev.c (flag_complex_method): Rename from
9742         flag_complex_divide_method.
9743         * libgcc2.c (__divsc3, __divdc3, __divxc3, __divtc3,
9744         __mulsc3, __muldc3, __mulxc3, __multc3): New.
9745         * libgcc2.h: Declare them.
9746         * libgcc-std.ver: Export them.
9747         * mklibgcc.in (lib2funcs): Build them.
9748
9749 2005-02-11  Steven Bosscher  <stevenb@suse.de>
9750
9751         PR tree-optimization/19876
9752         Partially revert my change from 2005-01-14
9753         * tree-ssa-pre.c (compute_antic_aux): Make recursive once again...
9754         (compute_antic): ...and remove the loop here.
9755
9756 2005-02-11  Jakub Jelinek  <jakub@redhat.com>
9757
9758         PR middle-end/19858
9759         * fold-const.c (make_bit_field_ref): If bitpos == 0 and bitsize
9760         is number of inner's bits, avoid creating a BIT_FIELD_REF.
9761
9762         * config/rs6000/sysv4.h (ENDFILE_LINUX_SPEC): Use crtendS.o instead of
9763         crtend.o if -pie.  Use %{x:a;:b} spec syntax.
9764
9765 2005-02-11  Daniel Jacobowitz  <dan@codesourcery.com>
9766
9767         * config/mips/linux-unwind.h (mips_fallback_frame_state): Adjust
9768         offsets for the big-endian 32-bit case.
9769
9770 2005-02-11  Joseph S. Myers  <joseph@codesourcery.com>
9771
9772         * config/ia64/hpux.h (WCHAR_TYPE, WCHAR_TYPE_SIZE): Define.
9773
9774 2005-02-11  Dale Johannesen  <dalej@apple.com>
9775
9776         * cselib.c (cselib_process_insn):  Clear out regs where
9777         HARD_REGNO_CALL_PART_CLOBBERED is true at a call.
9778         * reload.c (find_equiv_reg): Ditto.
9779
9780 2005-02-11  Ian Lance Taylor  <ian@airs.com>
9781
9782         * read-rtl.c (read_rtx_1): Give fatal error if we see a vector
9783         with no elements.
9784
9785         * tree.c (build_function_type_list): Work correctly if there are
9786         no arguments.
9787
9788 2005-02-11  Ulrich Weigand  <uweigand@de.ibm.com>
9789
9790         * config/s390/s390.md ("*cmpdi_cct", "*cmpsi_cct", "*cmpdi_ccs",
9791         "*cmpsi_ccs"): Use %h instead of %c to print immediate operand.
9792         ("*zero_extendhisi2_64", "*zero_extendhisi2_31"): Choose based on
9793         TARGET_ZARCH instead of TARGET_64BIT.
9794
9795 2005-02-11  Ralf Corsepius  <ralf.corsepius@rtems.org>
9796
9797         * config/rs6000/t-rtems:
9798         (MULTILIB_OPTIONS): Remove mcpu=602.
9799         (MUTLILIB_DIRNAMES): Remove m602.
9800         (MULTILIB_MATCHES): Add ${MULTILIB_MATCHES_FLOAT}.
9801         Let mcpu=602 match mcpu=603.
9802         (MULTILIB_NEW_EXCEPTIONS_ONLY): Add mcpu=601, mcpu=602, mcpu=m603.
9803
9804 2005-02-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
9805
9806         * pa/linux-unwind.h (pa32_fallback_frame_state): Handle misaligned
9807         signal trampolines.
9808
9809 2005-02-10  David Daney  <ddaney@avtrex.com>
9810
9811         * config/alpha/linux-unwind.h: Add exception clause to copyright.
9812         * config/i386/linux-unwind.h: Likewise.
9813         * config/ia64/linux-unwind.h: Likewise.
9814         * config/mips/linux-unwind.h: Likewise.
9815         * config/pa/linux-unwind.h: Likewise.
9816         * config/rs6000/linux-unwind.h: Likewise.
9817         * config/s390/linux-unwind.h: Likewise.
9818         * config/sh/linux-unwind.h: Likewise.
9819         * config/sparc/linux-unwind.h: Likewise.
9820
9821 2005-02-10  Steven Bosscher  <stevenb@suse.de>
9822
9823         PR tree-optimization/17549
9824         * tree-outof-ssa.c (find_replaceable_in_bb): Do not allow
9825         TER to replace a DEF with its expression if the DEF and the
9826         rhs of the expression we replace into have the same root
9827         variable.
9828
9829 2005-02-10  Richard Sandiford  <rsandifo@redhat.com>
9830
9831         * config/mips/mips.md: Fix the placement of the match_scratch in the
9832         lea64 peephole2.
9833
9834 2005-02-10  Kazu Hirata  <kazu@cs.umass.edu>
9835
9836         * cse.c, tree-ssa-loop-ivopts.c, config/rs6000/linux-unwind.h:
9837         Fix comment typos.
9838
9839 2005-02-10  Zdenek Dvorak  <dvorakz@suse.cz>
9840
9841         * tree-ssa-loop-ivopts.c (determine_base_object): Ignore casts.
9842         (strip_offset): Handle addresses.
9843         (add_address_candidates): Use strip_offset.
9844         (difference_cost): Reflect strip_offset change.
9845         (force_var_cost, difference_cost): Strip nops.
9846
9847 2005-02-10  Kazu Hirata  <kazu@cs.umass.edu>
9848
9849         * df.h (DF_REF_MODE_CHANGE, DF_REF_MEM_OK): Remove.
9850
9851         * builtins.def, haifa-sched.c, libgcc2.c, libgcc2.h,
9852         tree-ssa-loop-ivcanon.c, tree-ssa-loop-niter.c,
9853         config/cris/cris-protos.h, config/cris/cris.c: Update
9854         copyright.
9855
9856 2005-02-10  Jeff Law  <law@redhat.com>
9857
9858         * tree-ssa-dom.c (thread_across_edge): Use xmalloc, not xcalloc.
9859         (lookup_avail_expr): Similarly.
9860
9861 2005-02-10  Richard Guenther  <rguenth@gcc.gnu.org>
9862
9863         * builtins.c (fold_builtin_powi): New function.
9864         (fold_builtin_1): Call it.
9865
9866 2005-02-10  Steven Bosscher  <stevenb@suse.de>
9867
9868         PR documentation/19309
9869         * doc/cpp.texi: The __GNUC__ and related predefined macros
9870         are also defined for the "standalone" cpp.
9871         Some non-GCC compilers may also define __GNUC__.
9872
9873 2005-02-10  Jakub Jelinek  <jakub@redhat.com>
9874
9875         PR c/19342
9876         * c-typeck.c (common_type): New routine.  Old common_type renamed
9877         to...
9878         (c_common_type): ...this.
9879         (build_conditional_expr, build_binary_op): Use c_common_type instead
9880         of common_type.
9881
9882 2005-02-10  Steven Bosscher  <stevenb@suse.de>
9883
9884         * doc/md.texi: Replace @samp{length} with @code{length}.
9885
9886 2005-02-09  Zdenek Dvorak  <dvorakz@suse.cz>
9887
9888         PR tree-optimization/18687
9889         * tree-flow.h (find_loop_niter): Declare.
9890         * tree-ssa-loop-ivcanon.c (canonicalize_loop_induction_variables):
9891         Try using scev even for loops with more than one exit.
9892         * tree-ssa-loop-ivopts.c (struct loop_data): Removed niter field.
9893         (struct ivopts_data): Added niters field.
9894         (struct nfe_cache_elt): New.
9895         (nfe_hash, nfe_eq, niter_for_exit, niter_for_single_dom_exit): New
9896         functions.
9897         (tree_ssa_iv_optimize_init): Initialize niters cache.
9898         (determine_number_of_iterations): Removed.
9899         (find_induction_variables): Do not call determine_number_of_iterations.
9900         Access niters for single exit through niter_for_single_dom_exit.
9901         (add_iv_outer_candidates): Access niters for single exit through
9902         niter_for_single_dom_exit.
9903         (may_eliminate_iv): Take data argument.  Use niter_for_exit.  Do not use
9904         number_of_iterations_cond.
9905         (iv_period): New function.
9906         (determine_use_iv_cost_condition): Pass data to may_eliminate_iv.
9907         (may_replace_final_value): Take data argument.  Use
9908         niter_for_single_dom_exit.
9909         (determine_use_iv_cost_outer): Pass data to may_replace_final_value.
9910         (rewrite_use_compare): Pass data to may_eliminate_iv.
9911         (rewrite_use_outer): Pass data to may_replace_final_value.
9912         (free_loop_data): Clean up the niters cache.
9913         (tree_ssa_iv_optimize_finalize): Free the niters cache.
9914         (tree_ssa_iv_optimize_loop): Do not call loop_commit_inserts.
9915         * tree-ssa-loop-niter.c (find_loop_niter): New function.
9916         (find_loop_niter_by_eval): Use tree_int_cst_lt.
9917         (num_ending_zeros): Moved to tree.c.
9918         * tree.h (num_ending_zeros): Declare.
9919         * tree.c (num_ending_zeros): Moved from tree.c.
9920
9921 2005-02-09  Richard Henderson  <rth@redhat.com>
9922
9923         * builtins.c (DEF_BUILTIN): Add COND argument.
9924         * tree.h (DEF_BUILTIN): Likewise.
9925         * builtins.def (DEF_GCC_BUILTIN, DEF_LIB_BUILTIN, DEF_EXT_LIB_BUILTIN,
9926         DEF_C94_BUILTIN, DEF_C99_BUILTIN, DEF_C99_C90RES_BUILTIN): Update to
9927         match.
9928         (DEF_BUILTIN_STUB): New.
9929         (BUILT_IN_STACK_SAVE, BUILT_IN_STACK_RESTORE, BUILT_IN_INIT_TRAMPOLINE,
9930         BUILT_IN_ADJUST_TRAMPOLINE, BUILT_IN_NONLOCAL_GOTO,
9931         BUILT_IN_PROFILE_FUNC_ENTER, BUILT_IN_PROFILE_FUNC_EXIT): Use it.
9932         * c-common.c (DEF_BUILTIN): Add COND argument.
9933         * tree.c (local_define_builtin): New.
9934         (build_common_builtin_nodes): New.
9935
9936 2005-02-09  Roger Sayle  <roger@eyesopen.com>
9937
9938         * fold-const.c (fold_strip_sign_ops): New function to simplify a
9939         floating point expression ignoring the sign of the result.
9940         (fold) <ABS_EXPR>: Use it to simplify fabs(x).
9941         (fold) <MULT_EXPR>: Use it to simplify x*x.
9942         * tree.h (fold_strip_sign_ops): Prototype here.
9943         * builtins.c (fold_builtin_copysign): Take an additional FNDECL
9944         argument.  Use fold_strip_sign_ops to simplify the first argument.
9945         (fold_builtin_pow):  Use fold_strip_sign_ops to simplify the
9946         first argument when the second argument is an even integer
9947         constant, but only with -funsafe_math_optimizations.
9948         (fold_builtin_1): Update call to fold_builtin_copysign.
9949
9950 2005-02-09  Ian Lance Taylor  <ian@airs.com>
9951
9952         PR middle-end/19583
9953         * gimple-low.c (try_catch_may_fallthru): In EH_FILTER_EXPR case,
9954         just check whether EH_FILTER_FAILURE falls through.
9955
9956 2005-02-09  Andreas Krebbel  <krebbel1@de.ibm.com>
9957
9958         * gcc/haifa-sched.c (schedule_block): Make queued sched group
9959         insns return to ready list in the next turn.
9960
9961 2005-02-09  Richard Guenther  <rguenth@gcc.gnu.org>
9962
9963         PR middle-end/19402
9964         * builtins.def: New __builtin_powi[lf].
9965         * builtins.c (mathfn_built_in): Handle BUILT_IN_POWI.
9966         (expand_builtin_powi): New function.
9967         (expand_builtin): Dispatch to expand_builtin_powi.
9968         * libgcc2.h: Add prototypes for __builtin_powi[lf].
9969         * libgcc2.c: Add __builtin_powi[lf] implementation.
9970         * mklibgcc.in: Add __builtin_powi[lf] to lib2funcs.
9971         * optabs.h: Add powi_optab.
9972         * optabs.c (init_optabs): Initialize powi_optab.
9973         * doc/extend.texi: Document __builtin_powi[lf].
9974
9975 2005-02-09  Dorit Naishlos  <dorit@il.ibm.com>
9976
9977         * tree-vectorizer.c (vect_set_dump_settings): Check that dump_file
9978         exists.
9979
9980 2005-02-09  Richard Guenther  <rguenth@gcc.gnu.org>
9981
9982         PR middle-end/19854
9983         * fold-const.c (try_move_mult_to_index): Remove redundant
9984         type argument.  Create ADDR_EXPR with correct type.
9985         (fold): Update callers of try_move_mult_to_index.  Convert
9986         result to the appropriate type.
9987
9988 2005-02-09  Roger Sayle  <roger@eyesopen.com>
9989
9990         PR target/19597
9991         * config/avr/avr.c (default_rtx_costs): Delete.
9992         (avr_operand_rtx_cost): New function.
9993         (avr_rtx_costs): Completely rewrite.
9994
9995 2005-02-08  Hans-Peter Nilsson  <hp@axis.com>
9996
9997         PR target/19806
9998         * config/cris/cris.c (in_code): New variable.
9999         (cris_output_addr_const): Now a static function, a wrapper for
10000         output_addr_const.
10001         (cris_asm_output_symbol_ref): New function, broken out SYMBOL_REF
10002         case from old cris_output_addr_const.
10003         (cris_asm_output_label_ref): Similar for LABEL_REF.
10004         (cris_output_addr_const_extra): Similar for UNSPEC.
10005         * config/cris/cris.h (OUTPUT_ADDR_CONST_EXTRA)
10006         (ASM_OUTPUT_SYMBOL_REF, ASM_OUTPUT_LABEL_REF): Define.
10007         * config/cris/cris-protos.h (cris_output_addr_const): Remove
10008         declaration.
10009         (cris_asm_output_symbol_ref, cris_output_addr_const_extra)
10010         (cris_asm_output_label_ref): Declare.
10011
10012 2005-02-08  Paolo Bonzini  <bonzini@gnu.org>
10013
10014         PR preprocessor/19801
10015         * doc/cppinternals.texi (Conventions, Lexer, Files): Adjust
10016         filenames that changed when libcpp was moved to the toplevel.
10017
10018 2005-02-07  Roger Sayle  <roger@eyesopen.com>
10019
10020         * simplify-rtx.c (simplify_relational_operation_1): Avoid creating
10021         zero extensions of BImode operands.  Call lowpart_subreg instead
10022         of gen_lowpart_common and gen_lowpart_SUBREG.
10023
10024 2005-02-07  Nathanael Nerode  <neroden@gcc.gnu.org>
10025
10026         PR ada/19489
10027         * libada-mk.in: Use cc_for_cross_gnattools, not cc_set_by_configure.
10028         * configure.ac: Set cc_for_cross_gnattools.
10029         * configure: Regenerate.
10030
10031 2005-02-08  Alan Modra  <amodra@bigpond.net.au>
10032
10033         PR target/19803
10034         * predict.c (PROB_VERY_UNLIKELY): Use 1% instead of 10%.
10035
10036 2005-02-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
10037
10038         PR debug/19327
10039         * dbxout.c (dbxout_symbol) <FUNCTION_DECL>: Skip inline instance
10040         of nested functions.
10041
10042 2005-02-07  Jonathan Wakely  <redi@gcc.gnu.org>
10043
10044         * doc/extend.texi: Document deprecated extensions allowing
10045         static floating-point members to have initializers and allowing
10046         floating-point literals in integral constant expressions.
10047
10048 2005-02-07  Kazu Hirata  <kazu@cs.umass.edu>
10049
10050         * cfgcleanup.c, df.h, diagnostic.c, rtl.c, tree-vectorizer.h,
10051         config/darwin7.h, config/mips/mips.c,
10052         config/rs6000/altivec.md, config/rs6000/darwin-tramp.asm:
10053         Update copyright.
10054
10055         * cse.c: Update comments.
10056
10057 2005-02-07  Richard Guenther  <rguenth@gcc.gnu.org>
10058
10059         PR middle-end/19775
10060         * builtins.c (fold_builtin_sqrt): Transform
10061         sqrt(pow(x,y)) to pow(fabs(x),y*0.5), not
10062         pow(x,y*0.5).
10063
10064 2005-02-07  Leehod Baruch  <leehod@il.ibm.com>
10065             Dorit Naishlos  <dorit@il.ibm.com>
10066
10067         * doc/invoke.texi (ftree-vectorizer-verbose): New.
10068         * opts.c (OPT_ftree_vectorizer_verbose_): New case for switch.
10069         * common.opt (ftree-vectorizer-verbose): New Flag for the vectorizer
10070         was added.
10071         * tree.h (vect_set_verbosity_level): New extern function declaration
10072         added.
10073         * tree-vectorizer.h (verbosity_levels): New enum type.
10074         * tree-vectorizer.c (vect_debug_stats): Function removed.
10075         (vect_debug_details): Likewise.
10076         (vect_verbosity_level): Global variable was defined and initialized.
10077         (vect_dump): Global variable definition.
10078         (vect_print_dump_info): New function.
10079         (vect_set_dump_settings): New function.
10080         (vect_set_verbosity_level): New function.
10081         (vectorize_loops): Add call to vect_set_dump_settings.
10082
10083         (slpeel_make_loop_iterate_ntimes): Dump condition was changed.
10084         (slpeel_tree_duplicate_loop_to_edge_cfg): Likewise.
10085         (slpeel_tree_peel_loop_to_edge): Likewise.
10086
10087         (vect_analyze_offset_expr): Call to vect_print_dump_info with
10088         appropriate verbosity level instead of call to vect_debug_details
10089         or vect_debug_stats.
10090         (vect_get_base_and_offset):
10091         (vect_create_addr_base_for_vector_ref):
10092         (get_vectype_for_scalar_type):
10093         (vect_create_data_ref_ptr):
10094         (vect_init_vector):
10095         (vect_get_vec_def_for_operand):
10096         (vect_finish_stmt_generation):
10097         (vectorizable_assignment):
10098         (vectorizable_operation):
10099         (vectorizable_store):
10100         (vectorizable_load):
10101         (vect_transform_stmt):
10102         (vect_update_ivs_after_vectorizer):
10103         (vect_do_peeling_for_loop_bound):
10104         (vect_update_inits_of_drs):
10105         (vect_do_peeling_for_alignment):
10106         (vect_transform_loop):
10107         (vect_is_simple_use):
10108         (vect_analyze_operations):
10109         (vect_is_simple_iv_evolution):
10110         (vect_analyze_scalar_cycles):
10111         (vect_analyze_data_ref_dependence):
10112         (vect_analyze_data_ref_dependences):
10113         (vect_compute_data_ref_alignment):
10114         (vect_enhance_data_refs_alignment):
10115         (vect_analyze_data_refs_alignment):
10116         (vect_analyze_data_ref_access):
10117         (vect_analyze_data_ref_accesses):
10118         (vect_analyze_pointer_ref_access):
10119         (vect_get_memtag_and_dr):
10120         (vect_analyze_data_refs):
10121         (vect_mark_relevant):
10122         (vect_stmt_relevant_p):
10123         (vect_mark_stmts_to_be_vectorized):
10124         (vect_can_advance_ivs_p):
10125         (vect_get_loop_niters):
10126         (vect_analyze_loop_form):
10127         (vect_analyze_loop):
10128         (vectorize_loops): Likewise.
10129
10130         (vect_do_peeling_for_loop_bound): Dump format slightly changed.
10131         (vect_update_inits_of_drs):
10132         (vect_do_peeling_for_alignment):
10133         (vect_transform_loop):
10134         (vect_analyze_operations):
10135         (vect_analyze_scalar_cycles):
10136         (vect_analyze_data_ref_dependences):
10137         (vect_analyze_data_refs_alignment):
10138         (vect_analyze_data_ref_accesses):
10139         (vect_analyze_data_refs):
10140         (vect_mark_stmts_to_be_vectorized):
10141         (vect_get_loop_niters):
10142         (vect_analyze_loop_form):
10143         (vect_analyze_loop): Likewise.
10144         (vect_mark_stmts_to_be_vectorized): Add call to print_generic_expr.
10145
10146 2005-02-07  Richard Sandiford  <rsandifo@redhat.com>
10147
10148         PR bootstrap/19796
10149         Revert:
10150         2005-01-26  Richard Sandiford  <rsandifo@redhat.com>
10151         * config/mips/iris6.h (ENDFILE_SPEC): Don't link in irix-csr.o if
10152         either -ffast-math or -funsafe-math-optimizations is in use.
10153
10154         2005-01-24  Richard Sandiford  <rsandifo@redhat.com>
10155         * config/mips/irix-csr.c: New file.
10156         * config/mips/t-iris6 (irix-csr.o): New rule to build it.
10157         (EXTRA_MULTILIB_PARTS): Add irix-csr.o.
10158         * config/mips/iris6.h (ENDFILE_SPEC): Include it in n32 and n64
10159         executables.
10160
10161 2005-02-07  Alexandre Oliva  <aoliva@redhat.com>
10162
10163         * config/mn10300/linux.h (LIB_SPEC, STARTFILE_SPEC): Remove
10164         redundant, incorrect definitions.
10165
10166         * config/frv/frv.md ("tls_indirect_call"): Turn into libcall-like
10167         expand.
10168         ("*tls_indirect_call"): New, reference hard regs directly.
10169         * config/frv/frv.c (gen_inlined_tls_plt): Adjust.
10170
10171 2005-02-07  Ralf Corsepius  <ralf.corsepius@rtems.org>
10172
10173         * config/arm/rtems-elf.h (SUBTARGET_EXTRA_ASM_SPEC):
10174         Let !-mhard-float !-msoft-float imply -mfpu=softfpa.
10175
10176 2005-02-06  Roger Sayle  <roger@eyesopen.com>
10177
10178         PR rtl-optimization/19800
10179         * simplify_rtx.c (simplify_relational_operation_1): Explicitly
10180         call gen_lowpart_common and gen_lowpart_SUBREG instead of calling
10181         gen_lowpart.
10182
10183 2005-02-07  Ralf Corsepius  <ralf.corsepius@rtems.org>
10184
10185         * config/m68k/t-rtems (MULTILIB_MATCHES): Let m528x match m5200.
10186
10187 2005-02-07  Joseph S. Myers  <joseph@codesourcery.com>
10188
10189         PR other/17135
10190         * doc/invoke.texi: Correct documentation of -freorder-functions.
10191
10192 2005-02-06  Joseph S. Myers  <joseph@codesourcery.com>
10193
10194         PR other/14402
10195         * doc/invoke.texi: Don't mention gccbug.
10196
10197 2005-02-06  Roger Sayle  <roger@eyesopen.com>
10198             Andrew Pinski  <pinskia@physics.uc.edu>
10199             Paolo Bonzini  <paolo.bonzini@lu.unisi.ch>
10200
10201         * simplify-rtx.c (simplify_relational_operation_1): Simplify
10202         (ne:SI (zero_extract:SI FOO (const_int 1) BAR) (const_int 0))
10203         into just (zero_extract:SI FOO (const_int 1) BAR).
10204
10205 2005-02-06  Joseph S. Myers  <joseph@codesourcery.com>
10206
10207         * doc/cpp.texi: Include gcc-common.texi.  Don't define gcctabopt
10208         macro locally.  Don't give last revision date.  Use GCC version
10209         number from gcc-common.texi.
10210         * doc/cppinternals.texi: Include gcc-common.texi.  Don't give last
10211         revision date.  Use GCC version number from gcc-common.texi.
10212         Describe being a library as current state rather than as 3.x
10213         history.
10214         * doc/gcc.texi: Remove last update date.
10215         * doc/gccint.texi: Likewise.  Update copyright dates.
10216         * doc/install.texi: Update copyright dates.
10217
10218 2005-02-06  Joseph S. Myers  <joseph@codesourcery.com>
10219
10220         PR other/7549
10221         * doc/invoke.texi: Mention for each option included in -Wall that
10222         it is included in -Wall.
10223         * doc/gcc.texi: Update copyright and last modification date.
10224
10225 2005-02-06  Zdenek Dvorak  <dvorakz@suse.cz>
10226
10227         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Do not add
10228         unnecessary cast to original induction variable increments.
10229
10230 2005-02-06  Zdenek Dvorak  <dvorakz@suse.cz>
10231
10232         PR tree-optimization/18219
10233         * tree-ssa-loop-ivopts.c (get_computation_at): Produce computations
10234         in distributed form.
10235
10236 2005-02-06  Richard Sandiford  <rsandifo@redhat.com>
10237
10238         * expmed.c (store_bit_field): Make the SUBREG code adjust bitnum.
10239         Set bitpos and offset later in the function.  Do nothing if the
10240         target is a register and if the bitfield lies completely outside
10241         that register.
10242         (extract_bit_field): Make the same SUBREG, bitpos and offset changes
10243         here.  Return an uninitialised register if the source value is stored
10244         in a register and the bitfield lies completely outside that register.
10245
10246 2005-02-06  Steven Bosscher  <stevenb@suse.de>
10247
10248         * df.c (df_insn_refs_record): Use XEXP to get the operand of a USE,
10249         not SET_DEST.
10250
10251 2005-02-06  Marcin Dalecki  <martin@dalecki.de>
10252
10253         * diagnostic.c (default_diagnostic_finalizer): Fix use of attribute.
10254
10255 2005-02-06  Geoffrey Keating  <geoffk@apple.com>
10256
10257         * config.gcc (*-*-darwin*): Separate darwin7 and darwin8 configs.
10258         * config/darwin8.h: New.
10259         * config/darwin7.h: Update comment.
10260
10261 2005-02-03  Leehod Baruch  <leehod@il.ibm.com>
10262             Dorit Naishlos  <dorit@il.ibm.com>
10263
10264         * tree-vectorizer.h (LOC): New type.
10265         (UNKNOWN_LOC, EXPR_LOC, LOC_FILE, LOC_LINE): New macros.
10266         (loop_line_number): New field in struct _loop_vec_info.
10267         (LOOP_VINFO_LOC, LOOP_LOC): New macros.
10268
10269         * tree-vectorizer.c (input.h): Included.
10270         (find_loop_location): New function.
10271         (vect_debug_stats): Argument changed from loop to LOC. Computation of
10272         loop line number removed.
10273         (vect_debug_details): Likewise.
10274         (new_loop_vec_info): Initialize new field LOOP_VINFO_LOC.
10275
10276         (slpeel_make_loop_iterate_ntimes): Call find_loop_location. Argument in
10277         call to vect_debug_details/stats changed from loop to loop_loc.
10278         (slpeel_tree_duplicate_loop_to_edge_cfg): Likewise.
10279         (slpeel_tree_peel_loop_to_edge): Likewise.
10280
10281         (vect_analyze_offset_expr): Argument in call to vect_debug_details/stats
10282         changed from NULL to UNKNOWN_LOC.
10283         (vect_get_base_and_offset):
10284         (vect_create_addr_base_for_vector_ref):
10285         (get_vectype_for_scalar_type):
10286         (vect_create_data_ref_ptr):
10287         (vect_init_vector):
10288         (vect_get_vec_def_for_operand):
10289         (vect_finish_stmt_generation):
10290         (vectorizable_assignment):
10291         (vectorizable_operation):
10292         (vectorizable_store):
10293         (vectorizable_load):
10294         (vect_transform_stmt):
10295         (vect_update_ivs_after_vectorizer):
10296         (vect_do_peeling_for_loop_bound):
10297         (vect_do_peeling_for_alignment):
10298         (vect_transform_loop):
10299         (vect_is_simple_use):
10300         (vect_analyze_operations):
10301         (vect_is_simple_iv_evolution):
10302         (vect_analyze_scalar_cycles):
10303         (vect_analyze_data_ref_dependences):
10304         (vect_compute_data_ref_alignment):
10305         (vect_enhance_data_refs_alignment):
10306         (vect_analyze_data_ref_access):
10307         (vect_analyze_data_ref_accesses):
10308         (vect_analyze_pointer_ref_access):
10309         (vect_get_memtag_and_dr):
10310         (vect_analyze_data_refs):
10311         (vect_mark_relevant):
10312         (vect_stmt_relevant_p):
10313         (vect_mark_stmts_to_be_vectorized):
10314         (vect_can_advance_ivs_p):
10315         (vect_get_loop_niters):
10316         (vect_analyze_loop):
10317         (vectorize_loops): Likewise.
10318
10319         (vectorizable_load): Argument in call to vect_debug_details/stats
10320         changed from loop to LOOP_LOC (loop_vinfo).
10321         (vect_transform_loop):
10322         (vect_analyze_operations):
10323         (vect_analyze_scalar_cycles):
10324         (vect_analyze_data_ref_dependence):
10325         (vect_enhance_data_refs_alignment):
10326         (vect_analyze_data_ref_accesses):
10327         (vect_analyze_pointer_ref_access):
10328         (vect_analyze_data_refs):
10329         (vect_analyze_loop): Likewise.
10330
10331         (vect_analyze_loop_form): Argument in call to vect_debug_details/stats
10332         changed from loop to loop_loc.
10333
10334         (vect_enhance_data_refs_alignment): Removed unused variable loop.
10335
10336 2005-02-03  Leehod Baruch  <leehod@il.ibm.com>
10337             Dorit Naishlos  <dorit@il.ibm.com>
10338
10339         * tree-vectorizer.c (vect_analyze_data_ref_dependence): Function
10340         declaration added.
10341         (vect_analyze_data_ref_dependences): Likewise.
10342
10343         (vect_is_simple_use): Argument changed from loop structure to
10344         loop_vect_info structure.
10345         (vect_can_advance_ivs_p): Likewise.
10346         (vect_create_index_for_vector_ref): Likewise.
10347         (vect_update_ivs_after_vectorizer): Likewise.
10348         (new_stmt_vec_info): Likewise.
10349
10350         (new_loop_vec_info): Second argument in call to new_stmt_vec_info was
10351         changed from loop to loop_vinfo.
10352         (vect_create_data_ref_ptr): First argument in call to
10353         vect_create_index_for_vector_ref was changed from loop to loop_vinfo.
10354         (vectorizable_assignment): Second argument in call to vect_is_simple_use
10355         was changed from loop to loop_vinfo.
10356         (vectorizable_operation): Likewise.
10357         (vectorizable_store): Likewise.
10358         (vect_mark_stmts_to_be_vectorized): Likewise.
10359         (vect_do_peeling_for_loop_bound): First argument in call to
10360         vect_update_ivs_after_vectorizer was changed from loop to loop_vinfo.
10361         (vect_analyze_operations): Argument in call to vect_can_advance_ivs_p
10362         was changed from loop to loop_vinfo.
10363         (vect_analyze_data_ref_dependences): Third argument in call to
10364         vect_analyze_data_ref_dependence was changed from loop to loop_vinfo.
10365
10366         (vect_create_index_for_vector_ref): Get the loop from loop_vinfo.
10367         (vect_create_data_ref_ptr): Likewise.
10368         (vect_init_vector): Likewise.
10369         (vect_get_vec_def_for_operand): Likewise.
10370         (vectorizable_assignment): Likewise.
10371         (vectorizable_operation): Likewise.
10372         (vectorizable_store): Likewise.
10373         (vectorizable_load): Likewise.
10374         (vect_update_ivs_after_vectorizer): Likewise.
10375         (vect_is_simple_use): Likewise.
10376         (vect_analyze_data_ref_dependence): Likewise.
10377         (vect_analyze_pointer_ref_access): Likewise.
10378         (vect_can_advance_ivs_p): Likewise.
10379
10380         * tree-vectorizer.h: (_loop_vec_info): Definition and macros moved
10381         before _stmt_vec_info.
10382         (_stmt_vec_info): Loop field replaced by loop_vec_info.
10383         (STMT_VINFO_LOOP): Replaced with STMT_VINFO_LOOP_VINFO.
10384         (new_stmt_vec_info): Argument changed from loop structure to
10385         loop_vect_info structure
10386
10387         (vect_analyze_data_ref_dependences): Unnecessary line was removed.
10388         (vect_analyze_offset_expr): Avoid 80 columns overflow.
10389         (vect_create_addr_base_for_vector_ref): Likewise.
10390         (vect_analyze_pointer_ref_access): Likewise.
10391
10392 2005-02-03  Andrew Pinski  <pinskia@physics.uc.edu>
10393
10394         PR tree-opt/19768
10395         * tree-ssa-dse.c (fix_phi_uses): Update the occurs in abnormal
10396         phi flag if the phi is abnormal.
10397
10398 2005-02-03  Andrew Pinski  <pinskia@physics.uc.edu>
10399
10400         PR tree-opt/19736
10401         * tree-ssa.c (replace_immediate_uses): Update the immediate_uses
10402         information for the new statement.
10403
10404 2005-02-03  Joseph S. Myers  <joseph@codesourcery.com>
10405
10406         PR driver/19117
10407         * gcc.c (main): Include the target in -v output.
10408
10409 2005-02-03  Alexandre Oliva  <aoliva@redhat.com>
10410
10411         * combine.c (simplify_comparison, case SIGN_EXTEND, ZERO_EXTEND):
10412         Do not drop the extend if we'd have to add a paradoxical subreg
10413         later.  Include optabs.h and insn-codes.h.
10414         * Makefile.in (combine.o): Depend on $(OPTABS_H).
10415
10416 2005-02-02  Roger Sayle  <roger@eyesopen.com>
10417
10418         PR middle-end/19405
10419         * real.h (REAL_MODE_FORMAT_COMPOSITE_P): New macro.
10420         * fold-const.c (const_binop): Avoid constant folding floating
10421         point operations in modes that use composite representations.
10422         * simplify-rtx.c (simplify_binary_operation): Likewise.
10423
10424 2005-02-02  Geoffrey Keating  <geoffk@apple.com>
10425
10426         * config/rs6000/altivec.md (altivec_dst): Make the first operand
10427         a REG, not a MEM.
10428         (altivec_dstt): Likewise.
10429         (altivec_dstst): Likewise.
10430         (altivec_dststt): Likewise.
10431         * config/rs6000/rs6000.c (altivec_expand_dst_builtin): Adjust creation
10432         of first operand.
10433
10434 2005-02-03  Dorit Naishlos  <dorit@il.ibm.com>
10435
10436         * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Copy
10437         EXPR_LOCUS from orig_cond to the new cond_stmt.
10438         (vect_finish_stmt_generation): Copy EXPR_LOCUS from stmt to
10439         the new vec_stmt.
10440
10441 2005-02-03  Dorit Naishlos  <dorit@il.ibm.com>
10442
10443         * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Call
10444         standard_iv_increment_position. Remove call to bsi_next
10445         (no need to bump the iterator anymore).
10446         (vect_create_index_for_vector_ref): Call
10447         standard_iv_increment_position. Remove second function argument.
10448         (vect_finish_stmt_generation): Remove call to bsi_next
10449         (no need to bump the iterator anymore).
10450         (vect_create_data_ref_ptr): Remove second argument (bsi) in call
10451         to vect_create_index_for_vector_ref.
10452
10453 2005-02-03  Dorit Naishlos  <dorit@il.ibm.com>
10454
10455         * tree-vectorizer.c (vect_mark_stmts_to_be_vectorized): Check if
10456         phis are used out of the loop.
10457
10458 2005-02-03  Joseph S. Myers  <joseph@codesourcery.com>
10459
10460         PR c/17807
10461         * c-decl.c (undef_nested_function): New variable.
10462         (pop_scope): Diagnose undefined nested functions.
10463         (finish_function): Don't attempt cgraph processing or genericizing
10464         if current top-level function contained an undefined nested
10465         function.  Reset undef_nested_function at the end of a top-level
10466         function.
10467
10468 2005-02-02  Zdenek Dvorak  <dvorakz@suse.cz>
10469
10470         * tree.c (build_int_cst_type): Take sign of the value into account
10471         when deciding whether sign extend the value.
10472
10473 2005-02-02  Joseph S. Myers  <joseph@codesourcery.com>
10474
10475         PR c/18502
10476         * gcc.c (cpp_unique_options): Remove %{trigraphs}.
10477         (cpp_options, cc1_options): Change %{std*&ansi} to
10478         %{std*&ansi&trigraphs}.
10479
10480 2005-02-02  Kazu Hirata  <kazu@cs.umass.edu>
10481
10482         * cse.c: Update comments.
10483
10484 2005-02-02  Aldy Hernandez  <aldyh@redhat.com>
10485
10486         * config/rs6000/rs6000.c (rs6000_spe_function_arg): Multi-reg
10487         arguments go on the stack.  Do not put complex doubles in odd/even
10488         pairs.
10489
10490 2005-02-02  Steven Bosscher  <stevenb@suse.de>
10491
10492         * doc/invoke.texi: Update the options enabled at -O1, -O2,
10493         and -O3.  Update the documentation for -fgcse-sm, -fgcse-las,
10494         -ftree-pre, and -fthread-jumps.
10495
10496 2005-02-02  Richard Sandiford  <rsandifo@redhat.com>
10497
10498         PR tree-optimization/19578
10499         * tree-flow.h (modified_noreturn_calls): Declare.
10500         (noreturn_call_p): Declare.
10501         * tree-flow-inline.h (noreturn_call_p): New function.
10502         (modify_stmt): Add modified noreturn calls to modified_noreturn_calls.
10503         * tree-cfg.c (modified_noreturn_calls): New variable.
10504         (cleanup_control_flow): Use noreturn_call_p.  Split basic blocks
10505         that contain a mid-block noreturn call.
10506         * tree-ssa.c (delete_tree_ssa): Clear modified_noreturn_calls.
10507
10508 2005-02-02  Kazu Hirata  <kazu@cs.umass.edu>
10509
10510         * df.c (df_def_record_1, df_uses_record): Don't use
10511         DF_FOR_REGALLOC.
10512         * df.h (DF_FOR_REGALLOC): Remove.
10513
10514 2005-02-02  Joseph S. Myers  <joseph@codesourcery.com>
10515
10516         PR c/19435
10517         * c-typeck.c (really_start_incremental_init): Reset
10518         constructor_max_index for arrays of incomplete type.
10519
10520 2005-02-02  Jeff Law  <law@redhat.com>
10521
10522         * gcse.c (struct reg_set): Store the block index where the register
10523         was set rather than the setting insn.
10524         (record_one_set, compute_transp): Corresponding changes.
10525         (pre_insert_copy_insn): Do not call replace_one_set.
10526         (replace_one_set): Remove.
10527
10528 2005-02-02  Joseph S. Myers  <joseph@codesourcery.com>
10529
10530         PR other/15514
10531         * doc/gcov.texi: Fix typo.
10532
10533 2005-02-01  Richard Henderson  <rth@redhat.com
10534
10535         PR target/19680
10536         * config/i386/i386.h (MODES_TIEABLE_P): Use ix86_modes_tieable_p.
10537         * config/i386/i386.c (ix86_hard_regno_mode_ok): Change return
10538         type to bool.
10539         (ix86_tieable_integer_mode_p, ix86_modes_tieable_p): New.
10540         * config/i386/i386-protos.h: Update.
10541
10542 2005-02-01  Steven Bosscher  <stevenb@suse.de>
10543
10544         PR tree-optimization/19217
10545         * tree-cfg.c (verify_expr): Use the data field to see if TP was
10546         seen inside a PHI node.  Do not do the ADDR_EXPR check if it was.
10547         (verify_stmts): Pass (void*)1 as data to verify_expr to signal
10548         that it is walking a PHI node.
10549
10550 2005-02-01  Joseph S. Myers  <joseph@codesourcery.com>
10551
10552         * doc/extend.texi (Nested Functions): Update.
10553
10554 2005-02-01  Richard Henderson  <rth@redhat.com>
10555
10556         PR 19696
10557         * optabs.c (expand_copysign_absneg): Export.
10558         * optabs.h (expand_copysign_absneg): Declare.
10559         * config/rs6000/rs6000.md (copysigntf3): New.
10560
10561 2005-02-01  Diego Novillo  <dnovillo@redhat.com>
10562
10563         PR tree-optimization/19633
10564         * tree-flow.h (struct ptr_info_def): Add field 'pt_null'.
10565         * tree-ssa-alias.c (init_alias_info): Initialize.
10566         (merge_pointed_to_info): Set.
10567         (add_pointed_to_expr): Set pt_null if EXPR is a NULL pointer.
10568         (dump_points_to_info_for): Show value of pt_null.
10569         (struct count_ptr_d): Declare.
10570         (find_ptr_dereference): Remove.
10571         (ptr_is_dereferenced_by): Remove.
10572         (count_ptr_derefs): New local function.
10573         (count_uses_and_derefs): New local function.
10574         (compute_points_to_and_addr_escape): Call it.  If the number
10575         of dereferences is greater than zero, mark the pointer as
10576         dereferenced.  If there are fewer dereferences than uses of
10577         the pointer, the pointer's value escapes.
10578
10579 2005-02-01  Diego Novillo  <dnovillo@redhat.com>
10580
10581         PR tree-optimization/19670
10582         * tree-ssa.c (verify_ssa_name): Don't set TREE_VISITED
10583         here...
10584         (verify_use): ... set it here, instead.
10585
10586 2005-02-01  Janis Johnson  <janis187@us.ibm.com>
10587
10588         * doc/sourcebuild.texi (Test directives): Fix formatting.
10589
10590         * doc/sourcebuild.texi (Test directives): Describe selector
10591         expressions.
10592
10593 2005-02-01  Segher Boessenkool  <segher@kernel.crashing.org>
10594
10595         * config.gcc (powerpc64-*-linux*): Default to -m64 also for
10596         specific 64-bit CPUs.
10597
10598 2005-02-01  Richard Earnshaw  <rearnsha@arm.com>
10599
10600         PR target/16201
10601         * arm.c (arm_eliminable_register): New function.
10602         (adjacent_mem_locations): Don't allow eliminable registers.  Use
10603         HOST_WIDE_INT for address offsets.
10604         * arm-protos.h (arm_eliminable_register): Add prototype.
10605
10606 2005-02-01  Steven Bosscher  <stevenb@suse.de>
10607
10608         PR optimization/15242
10609         * params.def (PARAM_MAX_GOTO_DUPLICATION_INSNS): New param.
10610         * basic-block.h (duplicate_computed_gotos): Add prototype.
10611         * bb-reorder.c (duplicate_computed_gotos): New function to
10612         duplicate sufficiently small blocks ending in a computed jump.
10613         * passes.c (rest_of_compilation): Call duplicate_computed_gotos
10614         if not optimizing for size.
10615         * cfgcleanup.c (try_crossjump_bb): If not optimizing for size,
10616         never do tail merging for blocks ending in a computed jump.
10617         * doc/invoke.texi: Document the max-goto-duplication-insns param.
10618
10619 2005-02-01  Eric Botcazou  <ebotcazou@libertysurf.fr>
10620
10621         Patch from Richard Sandiford <rsandifo@redhat.com>
10622         * reload1.c (choose_reload_regs): Prevent the find_equiv_reg() code
10623         from inheriting a subreg equivalence with a non-spill register.
10624
10625         * tree.h (DECL_FUNCTION_CODE): Document that it is overloaded.
10626
10627 2005-02-01  Alexandre Oliva  <aoliva@redhat.com>
10628
10629         * config/frv/frv.c (movcc_fp_destination_operand): New.
10630         (gpr_or_memory_operand): Fix typo in comment.
10631         (gpr_or_memory_operand_with_scratch): New.
10632         * config/frv/frv.h (PREDICATE_CODES): Add the two new predicates.
10633         * config/frv/frv.md (movcc_fp, movcc_fp_internal): Use
10634         movcc_fp_destination_operand.
10635         (reload_incc_fp): Use gpr_or_memory_operand_with_scratch.
10636         Legitimize memory addresses using a scratch register.
10637
10638 2005-01-31  Jeff Law  <law@redhat.com>
10639
10640         * tree-into-ssa.c (mark_def_sites_global_data): Make KILLS
10641         bitmap a sparse bitmap instead of a simple bitmap.
10642         (mark_def_sites_initialize_block):  Corresponding changes.
10643         (ssa_mark_def_sites_initialize_block): Likewise.
10644         (ssa_mark_phi_uses): Likewise.
10645         (mark_def_site, ssa_mark_def_sites): Likewise.
10646         (mark_def_site_blocks): Likewise.
10647         (rewrite_ssa_into_ssa): Likewise.
10648
10649         * tree-ssa-dom.c (record_cond): Pass correct variable type
10650         for last argument to htab_find_slot_with_hash.
10651
10652         * fold-const.c (fold, case CEIL_MOD_EXPR): Do not lose side
10653         effects when optimizing 0 % X.  Do not try to optimize X % 0.
10654
10655 2005-01-31  James E. Wilson  <wilson@specifixinc.com>
10656
10657         * config/ia64/itanium1.md (1_scall bypass): Change 2_mmalua to
10658         1_mmalua.
10659
10660 2005-02-01  Eric Christopher  <echristo@redhat.com>
10661
10662         * config/mips/mips.c (override_options): Warn if -mint64
10663         is used.
10664         * doc/invoke.texi (MIPS Options): Document that -mint64 is
10665         deprecated.
10666
10667 2005-02-01  Kazu Hirata  <kazu@cs.umass.edu>
10668
10669         * cse.c (cse_reg_info): Remove hash_next, next, regno.  Add
10670         timestamp.
10671         (cse_reg_info_list, cse_reg_info_list_free, REGHASH_SHIFT,
10672         REGHASH_SIZE, REGHASH_MASK, reg_hash, REGHASH_FN,
10673         cached_cse_reg_info, GET_CSE_REG_INFO): Remove.
10674         (cached_regno): Initialize to INVALID_REGNUM.
10675         (cse_reg_info_table_size,
10676         cse_reg_info_table_first_uninitialized,
10677         cse_reg_info_timestamp): New.
10678         (REG_TICK, REG_IN_TABLE, SUBREG_TICKED, REG_QTY): Use
10679         get_cse_reg_info.
10680         (init_cse_reg_info, get_cse_reg_info_1): New.
10681         (get_cse_reg_info): Cache the last look-up.
10682         (new_basic_block): Update the code to clear mappings from
10683         registers to cse_reg_info entries.
10684         (cse_main): Call init_cse_reg_info.
10685
10686         * cse.c (get_cse_reg_info): Update a comment.
10687
10688 2005-01-31  Steven Bosscher  <stevenb@suse.de>
10689
10690         PR c/19333
10691         * c-decl.c (start_decl): Do not warn about arrays of elements with
10692         an incomplete type here.
10693         (grokdeclarator): Do it here by making a pedwarn an error.
10694         * c-typeck.c (push_init_level): If there were previous errors with
10695         the constructor type, do not warn about braces for initializers.
10696         (process_init_element): Likewise for excess initializer elements.
10697
10698 2005-01-31  Kazu Hirata  <kazu@cs.umass.edu>
10699
10700         * cse.c (delete_trivially_dead_insn): Don't iterate.
10701
10702 2005-01-31  Andrew Pinski  <pinskia@physics.uc.edu>
10703
10704         * config/rs6000/rs6000.md (copysignsf3): New expand.
10705         (copysigndf3): Likewise.
10706
10707 2005-01-31  Steven Bosscher  <stevenb@suse.de>
10708
10709         * recog.c (constrain_operands): Only look for earlyclobber operand
10710         conflicts if an '&' constraint was seen.
10711
10712 2005-01-31  Marc Espie <espie@openbsd.org>
10713
10714         * config.gcc: Don't include embedded systems fragment, switches default
10715         debugging format to ELF.
10716         * config/i386/openbsdelf.h: Add DBX_REGISTER_NUMBER since we no
10717         longer pick it up there.
10718
10719 2005-01-31  Dale Johannesen  <dalej@apple.com>
10720
10721         * doc/extend.texi (nested functions): Fix linkage description.
10722         Clarify that static is not allowed.
10723
10724 2005-01-31  Dale Johannesen  <dalej@apple.com>
10725
10726         * config/rs6000/darwin.md (movsf_low_di):  Make work.
10727         (movdf_low_di):  Make work.
10728
10729 2005-01-31  Dale Johannesen  <dalej@apple.com>
10730
10731         * config/rs6000/darwin-tramp.asm (__trampoline_setup):
10732         Make work for 64 bit.
10733
10734 2005-01-31  Roger Sayle  <roger@eyesopen.com>
10735             Dale Johannesen  <dalej@apple.com>
10736
10737         PR middle-end/19650
10738         * fold-const.c (fold_binary_op_with_conditional_arg):
10739         Make types match original operands, before STRIP_NOPS.
10740
10741 2005-01-31  Alan Modra  <amodra@bigpond.net.au>
10742
10743         * config/rs6000/linux-unwind.h (struct gcc_vregs): New.
10744         (struct gcc_regs): Rename from gcc_pt_regs.  Add more regs.
10745         (struct gcc_sigcontext): Delete.  Merge contents to..
10746         (struct gcc_ucontext): ..here.
10747         (get_sigcontext): Delete.
10748         (get_regs): New function, like get_sigcontext but return regs ptr.
10749         64-bit version finds regs from r1 to support vdso.
10750         (ppc_linux_aux_vector): New function.
10751         (ppc_fallback_frame_state): Modify for get_regs.  Restore fprs
10752         and vector regs.
10753
10754 2005-01-31  Ira Rosen  <irar@il.ibm.com>
10755
10756         * tree-vectorizer.c (vect_analyze_offset_expr): Use ssizetype instead
10757         sizetype.
10758         (vect_get_base_and_offset): Use ssizetype instead sizetype. Remove
10759         redundant fold. Fix misalignment for MINUS_EXPR.
10760         (vect_compute_data_ref_alignment): Use ssizetype instead sizetype.
10761         (vect_analyze_pointer_ref_access): Likewise.
10762         (vect_get_memtag_and_dr): Likewise.
10763
10764 2005-01-31  Richard Henderson  <rth@redhat.com>
10765
10766         * config/i386/i386.c (absnegsf2_mixed): Remove all of the # hackery.
10767         (absnegsf2_sse, absnegsf2_i387, absnegdf2_mixed, absnegdf2_sse,
10768         absnegdf2_i387, absnegxf2_i387): Likewise.
10769
10770 2005-01-31  Richard Henderson  <rth@redhat.com>
10771
10772         PR 19696
10773         * optabs.c (expand_copysign_absneg): New.
10774         (expand_copysign_bit): Split out from ...
10775         (expand_copysign): ... here.  Use expand_copysign_absneg.
10776
10777 2005-01-30  Roger Sayle  <roger@eyesopen.com>
10778
10779         PR middle-end/19697
10780         * config/pa/pa.md (anddi3, iordi3): On HPPA64, disallow an integer
10781         constant as the second operand and a register as the third.
10782
10783 2005-01-31  Danny Smith  <dannysmith@users.sourceforge.net>
10784
10785         PR target/19704
10786         * config/i386/i386.c (ix86_function_ok_for_sibcall):  Also check
10787         that dllimport'd functions do not use all call-clobbered registers
10788         to pass parameters.
10789
10790 2005-01-30  Richard Henderson  <rth@redhat.com>
10791
10792         PR 19696
10793         * optabs.c (expand_absneg_bit): Split out from expand_unop and
10794         expand_abs_nojump and generalize.  Use operand_subword and
10795         emit_no_conflict_block.  Support large modes.
10796         (expand_abs_nojump): Use it.  Use HONOR_SIGNED_ZEROS to fall
10797         back to maximum.
10798         (expand_unop): Likewise.  Use HONOR_SIGNED_ZEROS to fall back
10799         negation to subtraction.
10800         (expand_copysign): Check that the format has signed zeros.
10801         Use operand_subword and emit_no_conflict_block.  Support large modes.
10802
10803 2005-01-30  Daniel Berlin  <dberlin@dberlin.org>
10804
10805         Fix PR tree-optimization/19624
10806
10807         * Makefile.in (tree-ssa-pre.o): Add CFGLOOP_H.
10808         * tree-ssa-pre.c: Add cfgloop.h.
10809         Update comment.
10810         (pre_stats): New member, constified.
10811         (inserted_exprs): New static variable.
10812         (NECESSARY): New macro.
10813         (create_expression_by_pieces): Fold the expression, and
10814         mark it as defaulting to not necessary. Also put in
10815         inserted_exprs.
10816         (fully_constant_expression): New function.
10817         (insert_into_preds_of_block): Modify to not insert phis when we
10818         are playing with induction variables.
10819         Push phis onto the inserted_exprs vector, and mark them as not
10820         necessary by default.
10821         (insert_aux): Call fully_constant_expression on eprime.
10822         If all edges produce the same value, mark it constant.
10823         (mark_operand_necessary): New function.
10824         (remove_dead_inserted_code): New function.
10825         (init_pre): Init loop optimizer to get loop info.
10826         (fini_pre): Free loop_optimizer, and inserted_exprs vec.
10827         (execute_pre): Commit edge inserts, then remove dead code.
10828
10829 2005-01-30  Richard Henderson  <rth@redhat.com>
10830
10831         * rtl.c (rtx_equal_p): No early exit for CONST_VECTOR.
10832         * varasm.c (const_rtx_hash_1): Handle CONST_VECTOR.
10833
10834 2005-01-30  Richard Henderson  <rth@redhat.com>
10835
10836         PR target/19700
10837         * config/i386/i386.c (ix86_expand_copysign): New.
10838         (ix86_split_copysign_const): New.
10839         (ix86_split_copysign_var): Rename from ix86_split_copysign,
10840         rearrange op1/nmask operands.
10841         * config/i386/i386-protos.h: Update.
10842         * config/i386/i386.md (copysignsf3): Use ix86_expand_copysign.
10843         (copysigndf3): Likewise.
10844         (copysignsf3_const, copysigndf3_const): New.
10845         (copysignsf3_var): Rename from copysignsf3, split out splitter
10846         and fix split predicate for X constraint.
10847         (copysigndf3_var): Similarly.
10848
10849 2005-01-30  Kazu Hirata  <kazu@cs.umass.edu>
10850
10851         * optabs.c, doc/c-tree.texi, doc/install.texi, doc/md.texi,
10852         doc/passes.texi, doc/rtl.texi, doc/sourcebuild.texi,
10853         doc/tm.texi, doc/tree-ssa.texi: Update copyright.
10854
10855 2005-01-29  Richard Henderson  <rth@redhat.com>
10856
10857         PR target/19690
10858         * config/i386/i386.md (movdf_nointeger, movdf_integer): Fix ordering
10859         of # and * in constraints.
10860
10861 2005-01-29  Richard Henderson  <rth@redhat.com>
10862
10863         PR middle-end/19689
10864         * expr.c (store_field): Don't strip sub-mode cast when the input
10865         data is even smaller.
10866
10867 2005-01-29  Richard Henderson  <rth@redhat.com>
10868
10869         PR middle-end/19687
10870         * expr.c (categorize_ctor_elements_1): Check for CONSTRUCTOR of a
10871         union being empty.
10872
10873 2005-01-29  Richard Henderson  <rth@redhat.com>
10874
10875         * combine.c (make_field_assignment): Fix argument order
10876         to gen_int_mode.
10877
10878 2005-01-29  Richard Guenther <richard.guenther@uni-tuebingen.de>
10879
10880         PR tree-optimization/15791
10881         * fold-const.c (extract_array_ref): New function.
10882         (fold): Fold comparisons between &a[i] and &a[j] or
10883         semantically equivalent trees.
10884
10885 2005-01-29  Jeff Law  <law@redhat.com>
10886
10887         * gcse.c (insert_expr_in_table): Revamp handling of available
10888         and anticipatable occurrence lists to avoid unnecessary list
10889         walking.
10890         (insert_set_in_table): Similarly.
10891
10892 2005-01-29  Joseph S. Myers  <joseph@codesourcery.com>
10893
10894         * c-common.c (fix_string_type): Just use c_build_qualified_type to
10895         build string type.
10896         (c_build_qualified_type): Build qualified array types with
10897         TYPE_MAIN_VARIANT pointing to corresponding unqualified type.
10898         * c-decl.c (c_make_fname_decl): Build unqualified array type
10899         before qualified type.
10900         (grokdeclarator): Use TYPE_MAIN_VARIANT of typedef type if element
10901         type is qualified, not just if type itself is.  Don't apply
10902         qualifiers to array type when declarator is processed.  Apply
10903         qualifiers to field type whether or not it is an array type.
10904         Don't handle array types specially for applying qualifiers to
10905         variables.
10906         * c-typeck.c (composite_type): Build unqualified element type and
10907         array type when forming composite of array types.
10908         (common_pointer_type, comptypes, comp_target_types,
10909         type_lists_compatible_p, build_indirect_ref, build_array_ref,
10910         convert_for_assignment): Don't apply TYPE_MAIN_VARIANT to array
10911         types.
10912         (type_lists_compatible_p): Cache TREE_VALUE (args1) and TREE_VALUE
10913         (args2) in variables a1 and a2.
10914
10915 2005-01-29  Kazu Hirata  <kazu@cs.umass.edu>
10916
10917         * cse.c (n_elements_made, max_elements_made): Remove.
10918         (insert): Don't touch n_elements_made.
10919         (cse_main): Don't touch n_elements_made or max_elements_made.
10920
10921 2005-01-28  Stephane Carrez  <stcarrez@nerim.fr>
10922
10923         PR target/15384
10924         * config/m68hc11/t-m68hc11-gas (dp-bit.c): Fix typo causing a
10925         configuration part of dp-bit.c to be lost.
10926
10927 2005-01-28  Roger Sayle  <roger@eyesopen.com>
10928
10929         * expmed.c (expand_mult_highpart_optab): When attempting to use
10930         a non-widening multiplication in a wider mode, the operands need
10931         to be converted (zero or sign extended) to that mode.
10932
10933 2005-01-28  Ian Lance Taylor  <ian@airs.com>
10934
10935         PR middle-end/16558
10936         PR middle-end/19583
10937         * gimple-low.c (block_may_fallthru): TRY_FINALLY_EXPR only falls
10938         through if both operands fall through.
10939
10940 2005-01-28  Kazu Hirata  <kazu@cs.umass.edu>
10941
10942         * cse.c (fold_rtx) <PC>: Don't optimize.
10943
10944 2005-01-28  Jeff Law  <law@redhat.com>
10945
10946         * fold-const.c (fold, case CEIL_MOD_EXPR): Optimize 0 % X.
10947         (case FLOOR_MOD_EXPR, ROUND_MOD_EXPR, TRUNC_MOD_EXPR): Similarly.
10948
10949 2005-01-28  Kazu Hirata  <kazu@cs.umass.edu>
10950
10951         * cse.c (cse_reg_info_free_list, cse_reg_info_used_list,
10952         cse_reg_info_used_list_end): Remove.
10953         (cse_reg_info_list, cse_reg_info_list_free): New.
10954         (get_cse_reg_info): When allocating an instance of
10955         cse_reg_info, add it to the beginning of the cse_reg_info_list
10956         list.  Remove code to maintain cse_reg_info_used_list.
10957         (new_basic_block): Reset the free list to the beginning of
10958         cse_reg_info_list.
10959
10960 2005-01-28  Richard Sandiford  <rsandifo@redhat.com>
10961
10962         * config/frv/frv.c (bdesc_2arg): Remove __MDPACKH.
10963         (frv_init_builtins): Change its prototype to take 4 uhalf arguments.
10964         (frv_expand_mdpackh_builtin): New function.
10965         (frv_expand_builtin): Use it to expand __MDPACKH.
10966         * doc/extend.texi (__MDPACKH): Update documentation.
10967
10968 2005-01-28  Uros Bizjak  <uros@kss-loka.si>
10969
10970         * config/i386/i386.c (ix86_expand_fp_absneg_operator): Use
10971         SSE_FLOAT_MODE_P for use_sse computation.
10972
10973 2005-01-28  Ralf Corsepius  <ralf.corsepius@rtems.org>
10974
10975         PR target/19663
10976         * config/sparc/rtemself.h (LINK_GCC_C_SEQUENCE_SPEC): undefine.
10977
10978 2005-01-27  Richard Henderson  <rth@redhat.com>
10979
10980         * builtins.c (expand_builtin_copysign): New.
10981         (expand_builtin): Call it.
10982         * genopinit.c (optabs): Add copysign_optab.
10983         * optabs.c (init_optabs): Initialize it.
10984         (expand_copysign): New.
10985         * optabs.h (OTI_copysign, copysign_optab): New.
10986         (expand_copysign): Declare.
10987
10988         * config/alpha/alpha.md (UNSPEC_COPYSIGN): New.
10989         (copysignsf3, ncopysignsf3, copysigndf3, ncopysigndf3): New.
10990
10991         * config/i386/i386.c (ix86_build_signbit_mask): Split from ...
10992         (ix86_expand_fp_absneg_operator): ... here.
10993         (ix86_split_copysign): New.
10994         * config/i386/i386-protos.h: Update.
10995         * config/i386/i386.md (UNSPEC_COPYSIGN): New.
10996         (copysignsf3, copysigndf3): New.
10997
10998         * config/ia64/ia64.md (UNSPEC_COPYSIGN): New.
10999         (copysignsf3, ncopysignsf3): New.
11000         (copysigndf3, ncopysigndf3): New.
11001         (copysignxf3, ncopysignxf3): New.
11002         * config/ia64/ia64.c (rtx_needs_barrier): Handle UNSPEC_COPYSIGN.
11003
11004 2005-01-27  Arend Bayer  <arend.bayer@web.de>
11005             Kazu Hirata  <kazu@cs.umass.edu>
11006
11007         * cse.c: (find_best_addr): Don't call copy_rtx before calling
11008         fold_rtx.  Save cost recomputation if fold_rtx did nothing.
11009         (fold_rtx) <ASM_OPERANDS>: Don't do anything if INSN is
11010         NULL_RTX.
11011
11012 2005-01-27  Jeff Law  <law@redhat.com>
11013
11014         * tree-into-ssa.c (ssa_rewrite_initialize_block): Do not register
11015         definitions of SSA_NAMEs which are not being rewritten.
11016         (rewrite_ssa_into_ssa): Only initialize the current definition
11017         of an SSA_NAME if that SSA_NAME has been marked for rewriting.
11018         If checking is enabled, assert that SSA_NAME_AUX is clear for all
11019         SSA_NAMEs before returning.
11020
11021 2005-01-27  Kazu Hirata  <kazu@cs.umass.edu>
11022
11023         * c-common.def, c-dump.c, c-gimplify.c, c-objc-common.c,
11024         cfgexpand.c, dbxout.c, function.h, opts.c, tree-flow-inline.h,
11025         tree-ssa-operands.h, tree-ssa-threadupdate.c, tree-tailcall.c,
11026         config/avr/avr.md, config/cris/aout.h, config/cris/cris.h,
11027         config/mips/iris6.h, config/sh/sh.c: Update copyright.
11028
11029 2005-01-27  Steven Bosscher  <stevenb@suse.de>
11030
11031         PR middle-end/17278
11032         * opts.c (decode_options): Move flag_thread_jumps from -O1 and
11033         higher to -O2 and higher.  Likewise for tree PRE.
11034         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Only iterate at -O2
11035         and better.
11036
11037 2005-01-27  Ian Lance Taylor  <ian@airs.com>
11038
11039         PR middle-end/19583
11040         * gimple-low.c (try_catch_may_fallthru): New static function.
11041         (block_may_fallthru): Handle TRY_CATCH_EXPR.
11042         * tree-inline.c (expand_call_inline): Don't warn about reaching
11043         the end of a non-void function being inlined if the function uses
11044         a return slot.
11045
11046 2005-01-27  Jakub Jelinek  <jakub@redhat.com>
11047
11048         * config/i386/i386.h (CALL_USED_REGISTERS): Fix comment pastos.
11049
11050         PR c/18946
11051         * c-decl.c (warn_if_shadowing): Handle old_decl error_mark_node.
11052         (pushdecl): Only use DECL_FILE_SCOPE_P if DECL_P.
11053         (implicitly_declare): Handle error_mark_node.
11054
11055 2005-01-27  Richard Henderson  <rth@redhat.com>
11056
11057         PR tree-opt/14329
11058         * tree.h (struct tree_decl): Add debug_expr_is_from.
11059         (DECL_DEBUG_EXPR_IS_FROM): New.
11060         (DECL_DEBUG_EXPR): Rename from DECL_DEBUG_ALIAS_OF.
11061         * dwarf2out.c (dwarf2out_var_location): Update to match.
11062         * tree-outof-ssa.c (create_temp): Likewise.
11063         * var-tracking.c (track_expr_p): Likewise.
11064         * tree-sra.c (instantiate_element): Set DECL_DEBUG_EXPR.
11065         * c-objc-common.c (c_tree_printer) <'D'>: Handle DECL_DEBUG_EXPR.
11066         * toplev.c (default_tree_printer): Likewise.
11067
11068 2005-01-27  Alexandre Oliva  <aoliva@redhat.com>
11069
11070         * config/frv/frv.c (frv_class_likely_spilled_p): Add GR8_REGS,
11071         GR9_REGS, GR89_REGS, FDPIC_FPTR_REGS, FDPIC_REGS.
11072
11073 2005-01-27  Steven Bosscher  <stevenb@suse.de>
11074
11075         * tree.h (SWITCH_COND, SWITCH_BODY, SWITCH_LABELS, CASE_LOW,
11076         CASE_HIGH, CASE_LABEL, ASM_STRING, ASM_OUTPUTS, ASM_INPUTS,
11077         ASM_CLOBBERS): Add tree checks.
11078
11079         * c-common.h (SWITCH_TYPE): Rename to SWITCH_STMT_TYPE.
11080         (SWITCH_STMT_COND, SWITCH_STMT_BODY): New.
11081         * c-common.def (SWITCH_STMT): Update to match.
11082         * c-common.c (c_do_switch_warnings): Use SWITCH_STMT accessor
11083         macros instead of SWITCH_EXPR ones.
11084         * c-dump.c (c_dump_tree): Likewise.
11085         * c-gimplify.c (gimplify_switch_stmt): Likewise.
11086         * c-typeck.c (c_start_case, do_case, c_finish_case): Likewise.
11087
11088         * doc/c-tree.texi (SWITCH_STMT): Update accessor macro names.
11089
11090 2005-01-27  Alan Modra  <amodra@bigpond.net.au>
11091
11092         * unwind-dw2.c (execute_stack_op): Add missing cases for
11093         DW_OP_shl, DW_OP_shr, DW_OP_shra, DW_OP_xor.
11094
11095 2005-01-27  Eric Botcazou  <ebotcazou@libertysurf.fr>
11096
11097         * config.gcc (Obsolete configurations): Remove 'dummy', add
11098         sparclite-*-coff*, sparclite-*-elf*, sparc86x-*-elf* and
11099         sparc-*-openbsd*.
11100
11101 2005-01-26  Diego Novillo  <dnovillo@redhat.com>
11102
11103         PR tree-optimization/19633
11104         * tree-ssa-alias.c (ptr_is_dereferenced_by): Also handle
11105         CALL_EXPRs.
11106         (maybe_create_global_var): Do not create .GLOBAL_VAR if there
11107         are no call-clobbered variables.
11108         * tree-outof-ssa.c (check_replaceable): Return false for calls
11109         with side-effects.
11110
11111 2005-01-26  Ulrich Weigand  <uweigand@de.ibm.com>
11112
11113         * dbxout.c (dbxout_symbol_location): Resolve constant pool references
11114         even for variables with NULL DECL_INITIAL.
11115
11116 2005-01-26  Stuart Hastings  <stuart@apple.com>
11117
11118         * gimplify.c (shortcut_cond_expr): Re-compute side-effects.
11119
11120 2005-01-26  Richard Henderson  <rth@redhat.com>
11121
11122         PR middle-end/18008
11123         * c-decl.c (finish_struct): Set DECL_MODE after resetting a
11124         field's type.
11125         * expr.c (store_field): Strip conversions to odd-bit-sized types
11126         if the destination field width matches.
11127
11128 2005-01-26  Richard Henderson  <rth@redhat.com>
11129
11130         * c-decl.c, expmed.c, expr.c: Revert last change.
11131
11132 2005-01-26  Richard Henderson  <rth@redhat.com>
11133
11134         PR middle-end/18008
11135         * c-decl.c (finish_struct): Set DECL_MODE after resetting a
11136         field's type.
11137         * expmed.c (store_fixed_bit_field): Create a paradoxical subreg
11138         if we don't need the bits above those present in the current mode.
11139         * expr.c (store_field): Strip conversions to odd-bit-sized types
11140         if the destination field width matches.
11141
11142 2005-01-26  Richard Sandiford  <rsandifo@redhat.com>
11143
11144         * config/mips/iris6.h (ENDFILE_SPEC): Don't link in irix-csr.o if
11145         either -ffast-math or -funsafe-math-optimizations is in use.
11146
11147 2005-01-26  Marek Michalkiewicz  <marekm@amelek.gda.pl>
11148
11149         PR target/19293
11150         PR target/19329
11151         * config/avr/avr.c (notice_update_cc): Only set condition code for
11152         ashrqi3 if shift count > 0.
11153         (out_shift_with_cnt): Handle shift count <= 0 as a no-op.
11154         (ashlqi3_out, ashlhi3_out, ashlsi3_out, ashrqi3_out, ashrhi3_out,
11155         ashrsi3_out, lshrqi3_out, lshrhi3_out, lshrsi3_out): Handle shift
11156         count <= 0 as a no-op, and shift count >= width by copying zero
11157         or sign bit to all bits of the result.
11158         * config/avr/avr.md (all shifts): Add alternatives for zero shift
11159         count, with attribute "length" set to 0 and "cc" set to "none".
11160
11161 2005-01-26  Aldy Hernandez  <aldyh@redhat.com>
11162
11163         * doc/invoke.texi: Document -mTLS.
11164
11165         * testsuite/gcc.target/frv/all-tls-global-dynamic.c: New.
11166         * testsuite/gcc.target/frv/all-tls-initial-exec.c: New.
11167         * testsuite/gcc.target/frv/all-tls-initial-exec-pic.c: New.
11168         * testsuite/gcc.target/frv/all-tls-local-dynamic.c: New.
11169         * testsuite/gcc.target/frv/all-tls-local-dynamic-plt.c: New.
11170         * testsuite/gcc.target/frv/all-tls-local-dynamic-plt-pic.c: New.
11171         * testsuite/gcc.target/frv/all-tls-local-exec.c: New.
11172         * testsuite/gcc.target/frv/all-tls-local-exec-TLS.c: New.
11173
11174         * configure.ac: Check for a TLS capable gas.
11175
11176         * configure: Regenerate.
11177
11178 2005-01-26  Richard Henderson  <rth@redhat.com>
11179
11180         PR middle-end/18008
11181         * combine.c (make_field_assignment): Simplify store to zero_extract
11182         from a source with an overlapping mask.
11183
11184 2005-01-26  Aldy Hernandez  <aldyh@redhat.com>
11185
11186         2004-11-11  Eric Christopher  <echristo@redhat.com>
11187
11188         * config/frv/frv.md: Add fr400_integer automaton. Don't
11189         allow TYPE_MUL, TYPE_MACC, or TYPE_CUT to issue in parallel
11190         to TYPE_MACC.
11191
11192 2005-01-26  Steven Bosscher  <stevenb@suse.de>
11193
11194         PR middle-end/16585
11195         * cfgbuild.c (make_edges): Do not clear or set
11196         current_function_has_computed_jump.
11197         * function.h (struct function): Remove the has_computed_jump field.
11198         (current_function_has_computed_jump): Do not define.
11199         * sched-rgn.c (is_cfg_nonregular): Return true if a basic block ends
11200         in a computed jump.  Ignore current_function_has_computed_jump.
11201
11202 2005-01-26  Richard Henderson  <rth@redhat.com>
11203
11204         PR middle-end/19515
11205         * expr.c (categorize_ctor_elements): New argument p_must_clear.
11206         (categorize_ctor_elements_1): Likewise.  Detect a union that isn't
11207         fully initialized.
11208         (mostly_zeros_p): Update for new categorize_ctor_elements argument.
11209         * gimplify.c (gimplify_init_constructor): Likewise.  Only shove
11210         objects into static storage if they have more than one non-zero value.
11211         * tree.h (categorize_ctor_elements): Update decl.
11212
11213 2005-01-26  Steven Bosscher  <stevenb@suse.de>
11214
11215         PR middle-end/19616
11216         * tree.h (CALL_EXPR_TAILCALL): Add comment.
11217         * calls.c (check_sibcall_argument_overlap_1): Revert the change
11218         to this function from 2004-07-10.
11219         * tree-tailcall.c (suitable_for_tail_opt_p): Do not consider the
11220         the current function for tail call optimizations if the address
11221         of one of it its arguments is taken.
11222
11223 2005-01-26  Kazu Hirata  <kazu@cs.umass.edu>
11224
11225         * cse.c (fold_rtx): Call equiv_constant only when necessary.
11226
11227 2005-01-26  Bernd Schmidt  <bernd.schmidt@analog.com>
11228
11229         * function.c (expand_function_end): If current_function_calls_alloca,
11230         emit stack restore in a place that is reached when the function falls
11231         through at the end.
11232
11233 2005-01-26  Alexandre Oliva  <aoliva@redhat.com>
11234
11235         * Makefile.in (../$(build_subdir)/fixincludes/fixincl): Add dummy
11236         rule to avoid matching inappropriate suffix rule.
11237
11238 2005-01-26  Jan Hubicka  <jh@suse.cz>
11239
11240         PR tree-optimization/19241
11241         * tree-inline.c (copy_body_r): Do not walk subtrees after substituting.
11242
11243 2005-01-26  Hans-Peter Nilsson  <hp@axis.com>
11244
11245         * config/cris/cris.h (LIB_SPEC) <sim*>: Use -lsyslinux, not
11246         -lsyssim.  Wrap -lc -lsyssim in --start-group --end-group instead
11247         of doubling.
11248         (STARTFILE_SPEC): Add crti.o, before crtbegin.o.
11249         <sim*>: Always use crt1.o, regardless of N in simN.
11250         <!sim>: Drop support for -pg and -p variants; always use crt0.o.
11251         (ENDFILE_SPEC): Add crtn.o, after crtend.o.
11252         (CRT_CALL_STATIC_FUNCTION): Remove.
11253         * config/cris/aout.h (STARTFILE_SPEC): <!melinux && sim*>: Always
11254         use crt1.o, regardless of N in simN.
11255         <!sim>: Drop support for -pg and -p variants; always use crt0.o.
11256         (LIB_SPEC): Do not define; default to the one in config/cris/cris.h.
11257         (CRIS_CPP_SUBTARGET_SPEC) <melinux && !nostdinc>: Remove special
11258         case isystem setting.
11259         (MAX_OFILE_ALIGNMENT): Correct to 32, not 16.
11260
11261 2005-01-25  Ian Lance Taylor  <ian@airs.com>
11262
11263         * gimple-low.c (block_may_fallthru): Correct handling of
11264         SWITCH_EXPR--may fall through if SWITCH_LABELS is NULL.
11265
11266 2005-01-26  Hans-Peter Nilsson  <hp@axis.com>
11267
11268         * config/cris/cris.h (CPP_SPEC): Adjust the various mtune=
11269         handlers to match indentation; nested under the mtune=* handler.
11270         Similar for mcpu= and march=.
11271
11272 2005-01-25  Daniel Jacobowitz  <dan@codesourcery.com>
11273
11274         * config/mips/linux.h (LIB_SPEC): Remove -rpath-link.
11275         * config/mips/linux64.h (LIB_SPEC): Likewise.
11276         * config/mn10300/linux.h (LIB_SPEC): Likewise.
11277         * config/sh/linux.h (LIB_SPEC): Likewise.
11278
11279 2005-01-25  Aldy Hernandez  <aldyh@redhat.com>
11280
11281         * config/frv/frv.c (frv_legitimize_tls_address): New.
11282         (TARGET_HAVE_TLS): Define.
11283         (FRV_SYMBOL_REF_TLS_P): Define.
11284         (frv_override_options): Handle new register classes.
11285         (frv_legitimate_address_p): Reject tls addresses.
11286         (frv_legitimize_address): Handle TLS addresses.
11287         (gen_inlined_tls_plt): New.
11288         (gen_tlsmoff): New.
11289         (frv_legitimize_tls_address): New.
11290         (unspec_got_name): Add TLS entries.
11291         (got12_operand): Add R_FRV_TLSMOFF12 case.
11292         (frv_emit_move): Fixup TLS addresses.
11293         (frv_emit_movsi): Legitimize TLS addresses.
11294
11295         * config/frv/frv.h (MASK_BIG_TLS): New.
11296         (TARGET_BIG_TLS): New.
11297         (HAVE_AS_TLS): Define.
11298         (TARGET_SWITCHES): Add -mTLS and -mtls options.
11299         (enum reg_class): Add GR8_REGS, GR9_REGS, GR89_REGS.
11300         (REG_CLASS_NAMES): Same.
11301         (REG_CLASS_CONTENTS): Same.
11302         (CONSTRAINT_LEN): New.
11303         (REG_CLASS_FROM_CONSTRAINT): New.
11304         (PREDICATE_CODES): Add symbolic_operand.
11305
11306         * config/frv/frv.md (define_constants): Add UNSPEC_GETTLSOFF,
11307         UNSPEC_TLS_LOAD_GOTTLSOFF12, UNSPEC_TLS_INDIRECT_CALL,
11308         UNSPEC_TLS_TLSDESC_LDD, UNSPEC_TLS_TLSDESC_LDD_AUX,
11309         UNSPEC_TLS_TLSOFF_LD, UNSPEC_TLS_LDDI, UNSPEC_TLSOFF_HILO,
11310         R_FRV_GOTTLSOFF_HI, R_FRV_GOTTLSOFF_LO, R_FRV_TLSMOFFHI,
11311         R_FRV_TLSMOFFLO, R_FRV_TLSMOFF12, R_FRV_TLSDESCHI,
11312         R_FRV_TLSDESCLO, R_FRV_GOTTLSDESCHI, R_FRV_GOTTLSDESCLO, GR8_REG,
11313         GR9_REG, GR14_REG, LRREG.
11314         (type): Add load_or_call attribute.
11315         ("load_or_call"): New reservation.
11316         ("call_gettlsoff"): New.
11317         ("tls_indirect_call"): New.
11318         ("tls_load_gottlsoff12"): New.
11319         ("tlsoff_hilo"): New.
11320         ("tls_tlsdesc_ldd"): New.
11321         ("tls_tlsoff_ld"): New.
11322         ("tls_lddi"): New.
11323
11324         * config/frv/frv-protos.h (symbolic_operand): Protoize.
11325
11326         2005-01-25  Alexandre Oliva  <aoliva@redhat.com>
11327
11328         * config/frv/frv.h (ASM_OUTPUT_DWARF_DTPREL): Define.
11329         * config/frv/frv-protos.h (frv_output_dwarf_dtprel): Declare.
11330         * config/frv/frv.c (TLS_BIAS): Define.
11331         (frv_output_dwarf_dtprel): New.
11332
11333 2005-01-26  Jakub Jelinek  <jakub@redhat.com>
11334
11335         PR rtl-optimization/19579
11336         * ifcvt.c (noce_try_cmove_arith): If emitting instructions to set up
11337         both A and B, see if they don't clobber registers the other expr uses.
11338
11339 2005-01-25  J"orn Rennecke <joern.rennecke@st.com>
11340
11341         * real.c (do_add): Initialize signalling and canonical members.
11342
11343         * real.c (real_from_integer): Zero out destination.
11344
11345 2005-01-18  Jan Hubicka  <jh@suse.cz>
11346
11347         PR tree-optimize/19337
11348         * tree-inline.c (initialize_inlined_parameters): Copy
11349         saved_static_chain_decl only.
11350
11351 2005-01-25  Richard Henderson  <rth@redhat.com>
11352
11353         PR target/19556
11354         PR target/19584
11355         * config/i386/i386.c (x86_inter_unit_moves): Zero.
11356         (ix86_preferred_reload_class): Rewrite fp-constant section, with
11357         80387 enabled, to return a proper subclass.  Return the subset that
11358         overlaps with GENERAL_REGS for PLUS.
11359         * config/i386/i386.md (movsi_1, movdi_2): Set type to "mmx" for pxor.
11360
11361 2005-01-25  Richard Henderson  <rth@redhat.com>
11362
11363         PR middle-end/19609
11364         * tree-complex.c (expand_complex_div_wide): Use the correct formulae.
11365
11366 2005-01-25  Roger Sayle  <roger@eyesopen.com>
11367
11368         * expmed.c (choose_multiplier): Change interface to return the
11369         multiplier lowpart as an rtx instead of an unsigned HOST_WIDE_INT.
11370         (expand_divmod): Update calls to choose_multiplier.
11371
11372 2005-01-24  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
11373
11374         PR middle-end/19330
11375         * expmed.c (extract_bit_field): Use adjust_address instead of
11376         gen_lowpart when op0 is a MEM.
11377
11378 2005-01-24  Steven Bosscher  <stevenb@suse.de>
11379
11380         * cfgexpand.c (expand_gimple_tailcall): Fix typo.
11381
11382 2005-01-24  Richard Sandiford  <rsandifo@redhat.com>
11383
11384         * config/mips/irix-csr.c: New file.
11385         * config/mips/t-iris6 (irix-csr.o): New rule to build it.
11386         (EXTRA_MULTILIB_PARTS): Add irix-csr.o.
11387         * config/mips/iris6.h (ENDFILE_SPEC): Include it in n32 and n64
11388         executables.
11389
11390 2005-01-24  Eric Botcazou  <ebotcazou@libertysurf.fr>
11391
11392         PR bootstrap/19364
11393         * config.gcc (sparc-*-elf*): Remove sol2.h, sparc/sol2.h and
11394         sparc/elf.h, add sparc/sp-elf.h.
11395         (sparc-*-rtems*): Likewise.
11396         (sparclite-*-elf*): Remove sol2.h, sparc/sol2.h, sparc/elf.h and
11397         tm-dwarf2.h, add sparc/sp-elf.h.
11398         (sparc86x-*-elf): Likewise.
11399         (sparc64-*-elf*): Remove sol2.h, sparc/sol2.h and tm-dwarf2.h.
11400         * config/sparc/liteelf.h (TARGET_SUB_OS_CPP_BUILTINS): Rename into
11401         TARGET_OS_CPP_BUILTINS.
11402         * config/sparc/sp86x-elf (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
11403         * config/sparc/rtemself.h (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
11404         Undefine it.
11405         * config/sparc/openbsd64.h (NO_IMPLICIT_EXTERN_C): Undefine.
11406         * config/sparc/sp64-elf.h (NO_IMPLICIT_EXTERN_C): New macro.
11407         (SWITCH_TAKES_ARG): Likewise.
11408         (LOCAL_LABEL_PREFIX): Likewise.
11409         (ASM_GENERATE_INTERNAL_LABEL): Likewise.
11410         (TARGET_N_FORMAT_TYPES): Delete.
11411         (TARGET_FORMAT_TYPES): Likewise.
11412         (ASM_DECLARE_FUNCTION_SIZE): Likewise.
11413         * config/sparc/elf.h: Delete.
11414         * config/sparc/sp-elf.h: New file.
11415
11416 2005-01-24  Kazu Hirata  <kazu@cs.umass.edu>
11417
11418         * tree-flow-inline.h (phi_arg_from_edge): Remove.
11419         * tree-flow.h: Remove the corresponding prototype.
11420         * tree-ssa-operands.h, tree-ssa-threadupdate.c, tree-ssa.c,
11421         tree-vectorizer.c: Use dest_idx instead of phi_arg_from_edge.
11422
11423 2005-01-24  Jakub Jelinek  <jakub@redhat.com>
11424
11425         PR target/17751
11426         * config/rs6000/rs6000.c (rs6000_file_start): Create toc section
11427         for AIX ABI or ELF -fPIC.
11428         (rs6000_emit_load_toc_table): Don't create toc_section here.
11429         (rs6000_xcoff_file_start): Nor here.
11430
11431 2005-01-24  J"orn Rennecke <joern.rennecke@st.com>
11432
11433         * sh.c (ra.h): Don't #include.
11434         (hard_regs_intersect_p): New function, resurrected from ra.c.
11435
11436         * sh.c: Fix 1996 Copyright.
11437
11438 2005-01-24  Richard Henderson  <rth@redhat.com>
11439             Aldy Hernandez  <aldyh@redhat.com>
11440
11441         * regrename.c (note_sets): Handle subregs.
11442
11443 2005-01-24  Joseph S. Myers  <joseph@codesourcery.com>
11444
11445         PR bootstrap/18058
11446         * genconditions.c (write_header, write_conditions): Elide file if
11447         not GCC >= 3.0.1.
11448
11449 2005-01-24  Kazu Hirata  <kazu@cs.umass.edu>
11450
11451         * c-opts.c, expmed.c, gengtype.c, tree-complex.c,
11452         config/arm/iwmmxt.md, config/avr/avr.c, config/s390/s390.h:
11453         Update copyright.
11454
11455 2005-01-24  Jakub Jelinek  <jakub@redhat.com>
11456
11457         * builtins.c (get_pointer_alignment, gimplify_va_arg_expr,
11458         expand_builtin_printf, expand_builtin_fprintf,
11459         expand_builtin_sprintf): Use POINTER_TYPE_P instead TREE_CODE
11460         checking against POINTER_TYPE.
11461         (validate_arglist): Handle POINTER_TYPE code by checking
11462         POINTER_TYPE_P.
11463
11464 2005-01-24  Paolo Bonzini  <bonzini@gnu.org>
11465
11466         * rtlanal.c (non_rtx_starting_operands, for_each_rtx_1,
11467         init_rtlanal): New.
11468         (for_each_rtx): Call for_each_rtx_1.
11469         * rtl.h (init_rtlanal): Declare.
11470         * toplev.c (backend_init): Call init_rtlanal.
11471
11472 2005-01-24  Jakub Jelinek  <jakub@redhat.com>
11473
11474         * flow.c (propagate_one_insn): Formatting.
11475
11476         PR middle-end/19551
11477         * flow.c (libcall_dead_p): Be more conservative if unsure.
11478         If there are any instructions between insn and call, see if they are
11479         all dead before saying the libcall is dead.
11480
11481 2005-01-24  Uros Bizjak  <uros@kss-loka.si>
11482
11483         * config/i386/i386.md (*extendsfdf2_sse): Use "nonimmediate_operand"
11484         operand constraint for operand 0.
11485
11486 2005-01-23  Richard Henderson  <rth@redhat.com>
11487
11488         PR 19486
11489         * tree-complex.c (expand_complex_div_wide): Set EDGE_FALLTHRU on
11490         edges leading to join block.
11491
11492 2005-01-23  Roger Sayle  <roger@eyesopen.com>
11493
11494         * expmed.c (expand_mult_highpart): Make static.  Change type of
11495         constant multiplier argument from unsigned HOST_WIDE_INT to rtx.
11496         (expand_divmod): Updates calls to expand_mult_highpart by using
11497         gen_int_mode to pass a CONST_INT rtx.
11498         * rtl.h (expand_mult_highpart): Remove prototype.
11499
11500 2005-01-23  Kazu Hirata  <kazu@cs.umass.edu>
11501
11502         * flow.c (regset_bytes, regset_size): Remove.
11503
11504         * cfganal.c: Fix a reference to Harvey's paper.
11505
11506 2005-01-23  Steven Bosscher  <stevenb@suse.de>
11507
11508         PR rtl-optimization/19464
11509         * tree-optimize.c (init_tree_optimization_passes): Add one more
11510         copyrename pass just before out-of-ssa.
11511
11512 2005-01-23  Joseph S. Myers  <joseph@codesourcery.com>
11513
11514         PR bootstrap/18058
11515         * recog.c (recog_memoized): Don't define if GENERATOR_FILE.
11516         * ggc-none.c (ggc_free): Define.
11517
11518 2005-01-23  Kazu Hirata  <kazu@cs.umass.edu>
11519
11520         * cse.c (max_reg, max_insn_uid): Remove.
11521         (cse_main): Don't access max_reg or max_insn_uid.
11522
11523         * c-common.c (explicit_flag_signed_bitfields,
11524         lang_statement_code_p, lang_expand_function_end): Remove.
11525         * c-common.h: Remove the corresponding declarations.
11526         * c-opts.c (c_common_handle_option): Remove all write access
11527         to explicit_flag_signed_bitfields.
11528
11529         * cgraph.c (cgraph_varpool_n_nodes): Remove.
11530         (cgraph_varpool_node): Don't access cgraph_varpool_n_nodes.
11531         * cgraph.h: Remove the corresponding declaration.
11532
11533         * gcse.c (null_pointer_info): Remove.
11534
11535 2005-01-23  Roger Sayle  <roger@eyesopen.com>
11536             Eric Botcazou  <ebotcazou@libertysurf.fr>
11537
11538         * combine.c (simplify_logical): Only simplify logical expressions
11539         of the form ior(and(x,y),z) by the inverse distributive law if the
11540         result is cheaper than the original.
11541
11542 2005-01-23  Kazu Hirata  <kazu@cs.umass.edu>
11543
11544         * alias.c, c-common.h, c-incpath.c, c-incpath.h, expr.c,
11545         fold-const.c, gimplify.c, params.h, tree-data-ref.c,
11546         tree-if-conv.c, tree-nested.c, tree-outof-ssa.c,
11547         tree-ssa-dom.c, tree-vectorizer.c, tree.def, config/darwin.c,
11548         config/freebsd-spec.h, config/arm/arm.h,
11549         config/h8300/h8300.md, config/i386/i386.md,
11550         config/i386/predicates.md, config/i386/sse.md,
11551         config/ia64/ia64.c, config/ip2k/ip2k.c, config/s390/s390.c,
11552         config/vax/vax.md: Fix comment typos.  Follow spelling
11553         conventions.
11554
11555 2005-01-23  Steven Bosscher  <stevenb@suse.de>
11556
11557         * gengtype.c (walk_type): Produce `not equal to' compares for loop
11558         tests, instead of `less than'.
11559
11560 2005-01-23  Richard Sandiford  <rsandifo@redhat.com>
11561
11562         * function.c (assign_parm_setup_block): When creating a new stack slot
11563         for a parameter, get its alignment from the parameter's DECL_ALIGN
11564         rather than the type's TYPE_ALIGN.  Make sure that the parameter
11565         is at least word aligned.
11566
11567 2005-01-22  Roger Sayle  <roger@eyesopen.com>
11568
11569         PR middle-end/19378
11570         * config/avr/avr.c (avr_hard_regno_mode_ok): Rewrite.
11571
11572 2005-01-22  Richard Henderson  <rth@redhat.com>
11573
11574         PR target/19506
11575         * config/i386/i386.md (movsfcc_1_sse_max): Use nonimmediate_operand
11576         in both compare operands.
11577         (movdfcc_1_sse_max): Likewise.
11578         (movsfcc_1_sse): Likewise.  Add earlyclobber for scratch.
11579         (movdfcc_1_sse): Likewise.
11580         * config/i386/i386.c (ix86_split_sse_movcc): Emit copies into the
11581         scratch register as needed.
11582
11583 2005-01-22  Richard Henderson  <rth@redhat.com>
11584
11585         * config/i386/i386.md (smaxsf3): Fix mnemonic typo.
11586
11587         * config/i386/i386.c (ix86_prepare_fp_compare_args): Fix is_sse test.
11588
11589 2005-01-22  Richard Henderson  <rth@redhat.com>
11590
11591         * genopinit.c (optabs): Use smin/smax for floating point too.
11592         * doc/md.texi: Update to match.  Clarify that floating point
11593         results are undefined for +0/-0 and NaN.
11594         * doc/rtl.texi: Likewise.
11595         * rtl.def (SMIN, SMAX): Likewise
11596         * tree.def (MIN_EXPR, MAX_EXPR): Likewise.
11597
11598         * config/alpha/alpha.md (smaxdf3, smindf3, smaxsf3, sminsf3): Add
11599         leading 's' to the name.
11600         * config/ia64/ia64.md (smaxsf3, sminsf3, smaxdf3, smindf3,
11601         smaxxf3, sminxf3): Likewise.
11602         * config/rs6000/rs6000.md (smaxdf3, smindf3, smaxsf3, sminsf3):
11603         Likewise.
11604
11605 2005-01-22  Paul Brook  <paul@codesourcery.com>
11606
11607         * config/arm/arm.md: Use "Uy" constraint for wcgr load/stores.
11608
11609 2005-01-21  Mark Dettinger  <dettinge@de.ibm.com>
11610
11611         * config/s390/s390.c (struct processor_costs): New fields
11612         dlgr, dlr, dr, dsgfr, dsgr.
11613         (z900_cost, z990_cost): Values for new fields.
11614         (s390_rtx_costs): New cases MEM und COMPARE in switch
11615         statement. Modified handling of SIGN_EXTEND, ZERO_EXTEND,
11616         DIV, MOD, UDIV, UMOD.
11617
11618 2005-01-21  Ulrich Weigand  <uweigand@de.ibm.com>
11619
11620         * config/s390/s390.md ("doloop_si64"): Reload input value directly
11621         into the register being decremented.
11622         ("doloop_si31", "doloop_di"): Likewise.
11623         ("*doloop_si_long"): Adapt pattern.
11624
11625 2005-01-21  Ulrich Weigand  <uweigand@de.ibm.com>
11626
11627         * config/s390/s390.h (HARD_REGNO_NREGS): Fix computation for
11628         access registers.
11629         (CLASS_MAX_NREGS): Likewise.
11630
11631 2005-01-21  Daniel Berlin  <dberlin@dberlin.org>
11632
11633         * doc/tree-ssa.texi (Statement Operands): Add example for new
11634         must-def macro. Note deprecation of old operands interface.
11635
11636 2005-01-22  Richard Sandiford  <rsandifo@redhat.com>
11637
11638         PR tree-optimization/19484
11639         * tree-cfg.c (remove_fallthru_edge): New function.
11640         (cleanup_control_flow): Remove fallthru edges from calls that are
11641         now known not to return.
11642
11643 2005-01-20  Daniel Berlin  <dberlin@dberlin.org>
11644
11645         Fix PR tree-optimization/19038
11646         * tree-ssa-dom.c (cprop_operand): Don't replace loop invaeriant
11647         copies with loop variant ones.
11648
11649 2005-01-22  Kazu Hirata  <kazu@cs.umass.edu>
11650
11651         * cfganal.c, real.h, reorg.c, timevar.def, tree-ssa-ccp.c,
11652         config/alpha/alpha-protos.h, config/alpha/alpha.h,
11653         config/alpha/alpha.md, config/alpha/predicates.md,
11654         config/sparc/freebsd.h, config/sparc/netbsd-elf.h,
11655         config/sparc/sol2.h: Update copyright.
11656
11657         * tree-cfg.c (remove_forwarder_block_with_phi): Look at the
11658         first label to see if it is a nonlocal label.
11659
11660 2005-01-22  David Edelsohn  <edelsohn@gnu.org>
11661             Andrew Pinski  <pinskia@physics.uc.edu>
11662
11663         PR target/19491
11664         * config/rs6000/rs6000.c (rs6000_va_start): Saturate n_gpr at
11665         maximum number of GPRs.  Saturate n_fpr at maximum number of FPRs.
11666
11667 2005-01-22  Ralf Corsepius  <ralf.corsepius@rtems.org>
11668
11669         * config/rs6000/rtems.h: Update copyright.
11670
11671 2005-01-22  Ralf Corsepius  <ralf.corsepius@rtems.org>
11672
11673         PR target/19548
11674         * config/rs6000/rtems.h: Resurrect cpp_os_rtems_spec from gcc < 3.4.
11675         (CPP_OS_RTEMS_SPEC): New (From gcc-3.3's config/rs6000/sys4.h).
11676         (SUBSUBTARGET_EXTRA_SPECS): Use CPP_OS_RTEMS_SPEC.
11677
11678 2005-01-22  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
11679
11680         PR c/18809
11681         * c-typeck.c (convert_arguments): Check for error_mark_node.
11682
11683 2005-01-21  Ian Lance Taylor  <ian@airs.com>
11684
11685         PR tree-optimization/13000
11686         * tree-inline.c: Include "tree-flow.h".
11687         (expand_call_inline): If warn_return_type, warn if non-void inline
11688         function falls through.
11689         * tree-cfg.c (execute_warn_function_return): Don't warn about
11690         control reaching end if TREE_NO_WARNING is set.  Set
11691         TREE_NO_WARNING.
11692         * gimple-low.c (block_may_fallthru): Don't assume that SWITCH_EXPR
11693         has been lowered.
11694         * gimplify.c (shortcut_cond_expr): Don't emit a jump over the else
11695         branch if we don't need one.
11696         * c-typeck.c: Include "tree-flow.h"
11697         (c_finish_bc_stmt): Don't add a goto if the current statement
11698         list doesn't fall through to the current point.
11699
11700 2005-01-21  Roger Sayle  <roger@eyesopen.com>
11701
11702         PR rtl-optimization/576
11703         * real.c (real_arithmetic): Change return type from void to bool
11704         to return an indication that the result may be inexact.
11705         * real.h (real_arithmeric): Update prototype.
11706         * fold-const.c (const_binop):  Don't constant fold floating
11707         point expressions when the user specifies -frounding-math and
11708         the result may depend upon the run-time rounding mode.
11709         (fold_convert_const_real_from_real): Clean-up.
11710         (fold_initializer): Ignore flag_rounding_math for initializers.
11711         * simplify-rtx.c (simplify_binary_operation): Likewise, don't
11712         constant fold FP operations with flag_rounding_math if the
11713         result may depend upon the run-time rounding mode.
11714
11715 2005-01-21  Tom Tromey  <tromey@redhat.com>
11716
11717         * c-cppbuiltin.c (define__GNUC__): Correct assertion.
11718
11719 2005-01-21  Kazu Hirata  <kazu@cs.umass.edu>
11720
11721         * tree-cfg.c: Fix comment typos.
11722
11723 2005-01-21  J"orn Rennecke <joern.rennecke@st.com>
11724
11725         * passes.c (rest_of_handle_flow2): Close / open the flow2 dump file
11726         around the call to rest_of_handle_branch_target_load_optimize.
11727
11728 2005-01-21  Eric Botcazou  <ebotcazou@libertysurf.fr>
11729
11730         * config.gcc (sparc-*-netbsdelf*): Include dbxelf.h
11731         (sparc64-*-openbsd*): Likewise.
11732         (sparclite-*-elf*): Include tm-dwarf2.h.
11733         (sparc86x-*-elf*): Likewise.
11734         (sparc64-*-elf*): Likewise.
11735         * config/sparc/linux64.h (DWARF2_DEBUGGING_INFO): Delete.
11736         (DBX_DEBUGGING_INFO): Likewise.
11737         * config/sparc/liteelf.h (DWARF2_DEBUGGING_INFO): Likewise.
11738         (PREFERRED_DEBUGGING_TYPE): Likewise.
11739         * config/sparc/netbsd-elf.h (PREFERRED_DEBUGGING_TYPE): Likewise.
11740         * config/sparc/sp64-elf.h (DBX_DEBUGGING_INFO): Likewise.
11741         (PREFERRED_DEBUGGING_TYPE): Likewise.
11742         * config/sparc/sp86x-elf.h (DWARF2_DEBUGGING_INFO): Likewise.
11743         (PREFERRED_DEBUGGING_TYPE): Likewise.
11744         * config/sparc/sparc.h (DBX_DEBUGGING_INFO): Likewise.
11745
11746 2005-01-21  Hans-Peter Nilsson  <hp@bitrange.com>
11747
11748         PR target/18701
11749         * combine.c (combine_simplify_rtx): Revert change of 2004-12-31.
11750
11751 2005-01-20  Paul Brook  <paul@codesourcery.com>
11752
11753         * doc/rtl.texi: Document value extension requirements for CONST_INT.
11754
11755 2005-01-20  Kazu Hirata  <kazu@cs.umass.edu>
11756
11757         * tree-cfg.c (tree_verify_flow_info): Check that a nonlocal
11758         label is first in a sequence of labels.
11759
11760         * tree-cfg.c (tree_verify_flow_info): Fix a typo.
11761
11762 2005-01-20  Janis Johnson  <janis187@us.ibm.com>
11763             Giovanni Bajo  <giovannibajo@gcc.gnu.org>
11764
11765         * doc/sourcebuild.texi (Test Directives): New.
11766
11767 2005-01-20  Roger Sayle  <roger@eyesopen.com>
11768
11769         * real.c (real_floor): Don't leave the result uninitialized when
11770         mode is VOIDMode, but return the unrounded intermediate value.
11771         (real_ceil): Likewise.
11772
11773 2005-01-20  Paul Brook  <paul@codesourcery.com>
11774
11775         * config/arm/arm.md (insv): Use gen_int_mode.
11776
11777 2005-01-20  Eric Botcazou  <ebotcazou@libertysurf.fr>
11778
11779         * config/sparc/freebsd.h (ASM_OUTPUT_INTERNAL_LABELREF): Delete.
11780         * config/sparc/linux.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
11781         * config/sparc/linux64.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
11782         * config/sparc/netbsd-elf.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
11783         * config/sparc/sol2.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
11784
11785 2005-01-20  Daniel Berlin  <dberlin@dberlin.org>
11786
11787         Fix PR debug/19124
11788         * dwarf2out.c (concat_loc_descriptor): We don't know we can use
11789         fbreg, so we have to assume we can't.
11790         (loc_descriptor_from_tree_1): Ditto.
11791         (containing_function_has_frame_base): New function.
11792         (add_location_or_const_value_attribute): Use it.
11793         Also try to generate a frame_base from a single element location
11794         list.
11795
11796 2005-01-20  Kazu Hirata  <kazu@cs.umass.edu>
11797
11798         PR tree-optimization/15349
11799         * timevar.def (TV_TREE_MERGE_PHI): New.
11800         * tree-cfg.c (tree_forwarder_block_p): Add a new argument
11801         PHI_WANTED.
11802         (remove_forwarder_block, cleanup_forwarder_blocks): Adjust the
11803         calls to tree_forwarder_block_p.
11804         (remove_forwarder_block_with_phi, merge_phi_nodes,
11805         gate_merge_phi, pass_merge_phi): New.
11806         * tree-optimize.c (init_tree_optimization_passes): Add
11807         pass_merge_phi.
11808         * tree-pass.h: Add an extern for pass_merge_phi;
11809
11810 2005-01-20  Richard Henderson  <rth@redhat.com>
11811
11812         PR target/19418
11813         * config/i386/emmintrin.h (_mm_castpd_ps, _mm_castpd_si128): New.
11814         (_mm_castps_pd, _mm_castps_si128): New.
11815         (_mm_castsi128_ps, _mm_castsi128_pd): New.
11816
11817 2005-01-20  Richard Henderson  <rth@redhat.com>
11818
11819         PR target/19530
11820         * config/i386/mmintrin.h (_mm_cvtsi32_si64): Use
11821         __builtin_ia32_vec_init_v2si.
11822         (_mm_cvtsi64_si32): Use __builtin_ia32_vec_ext_v2si.
11823         * config/i386/i386.c (IX86_BUILTIN_VEC_EXT_V2SI): New.
11824         (ix86_init_mmx_sse_builtins): Create it.
11825         (ix86_expand_builtin): Expand it.
11826         (ix86_expand_vector_set): Handle V2SFmode and V2SImode.
11827         * config/i386/mmx.md (vec_extractv2sf_0, vec_extractv2sf_1): New.
11828         (vec_extractv2si_0, vec_extractv2si_1): New.
11829
11830 2005-01-20  Richard Henderson  <rth@redhat.com>
11831
11832         PR target/16533
11833         * config/i386/i386.c (ix86_expand_push): New.
11834         * config/i386/mmx.md (push<MMXMODE>1): New.
11835         * config/i386/sse.md (push<SSEMODE>1): New.
11836         * config/i386/i386-protos.h: Update.
11837
11838 2005-01-20  Kazu Hirata  <kazu@cs.umass.edu>
11839
11840         * params.def, params.h, predict.c, tree-ssa-loop-im.c: Update
11841         copyright.
11842
11843 2005-01-20  Richard Henderson  <rth@redhat.com>
11844
11845         * rtl.def (CONST_VECTOR): Use RTX_CONST_OBJ.
11846         * rtl.h (CONSTANT_P): Don't special case CONST_VECTOR.
11847
11848 2005-01-19  Richard Henderson  <rth@redhat.com>
11849
11850         PR target/19350
11851         * config/i386/i386.c (ix86_expand_vector_move_misalign): Convert
11852         to V4SFmode in SSE1 fallback load path.
11853
11854 2005-01-19  Richard Henderson  <rth@redhat.com>
11855
11856         * config/i386/i386.c (ix86_expand_vector_init_one_var): Fix typo
11857         in QImode expansion to ix86_expand_vector_set.
11858         (ix86_expand_vector_init_general): Fix typo in V8HImode recursive call.
11859
11860 2005-01-19  Richard Henderson  <rth@redhat.com>
11861
11862         PR target/19511
11863         * config/i386/i386.c (ix86_preferred_reload_class): Return a proper
11864         subclass of the input class.
11865         (ix86_secondary_memory_needed): Always true for cross-MMX classes.
11866         Always true for cross-SSE1 classes.  Rationalize conditionals.
11867         * config/i386/i386.h (SSE_CLASS_P, MMX_CLASS_P): Use straight equality.
11868         * config/i386/i386.md (movsi_1): Add MMX/SSE zeros.  Fix alternatives
11869         for SSE1.  Don't check TARGET_INTER_UNIT_MOVES.
11870         (movdi_2): Add MMX/SSE zeros.
11871         (movdi_1_rex64): Likewise.  Don't check TARGET_INTER_UNIT_MOVES.
11872         (movsf_1): Don't check TARGET_INTER_UNIT_MOVES.
11873         (zero_extendsidi2_32, zero_extendsidi2_rex64): Likewise.
11874         (movsi_1_nointernunit, movdi_1_rex64_nointerunit): Remove.
11875         (movsf_1_nointerunit, zero_extendsidi2_32_1): Remove.
11876         (zero_extendsidi2_rex64_1): Remove.
11877         (MOV0 peephole): Check GENERAL_REG_P.
11878
11879 2005-01-19  Richard Henderson  <rth@redhat.com>
11880
11881         PR target/19427
11882         * config/i386/i386.c (ix86_expand_vector_set): Fix third and fourth
11883         shufps elements.
11884         (ix86_expand_vector_extract): Likewise.
11885
11886 2005-01-19  Richard Henderson  <rth@redhat.com>
11887
11888         PR middle-end/19304
11889         * expr.c (emit_move_change_mode): New argument force; use
11890         simplify_gen_subreg if true.
11891         (emit_move_via_alt_mode): Merge into ...
11892         (emit_move_via_integer): ... here.
11893         (emit_move_ccmode): Use emit_move_change_mode directly.
11894
11895 2005-01-19  Richard Henderson  <rth@redhat.com>
11896
11897         PR target/19518
11898         * config/alpha/alpha.c (alpha_rtx_costs): Handle HIGH.
11899         (alpha_preferred_reload_class): Handle CONST_VECTOR.
11900         (alpha_emit_set_const_1): Add no_output parameter; don't emit
11901         rtl if true.
11902         (alpha_emit_set_const): Likewise.  Make static.
11903         (alpha_emit_set_long_const): Make static.
11904         (alpha_extract_integer): Split out from alpha_expand_mov.
11905         (alpha_split_const_mov): Likewise.
11906         (alpha_expand_mov): Use them.  Handle CONST_VECTOR.
11907         (alpha_legitimate_constant_p): New.
11908         * config/alpha/alpha-protos.h: Update.
11909         * config/alpha/alpha.h (REGISTER_MOVE_COST): Correct fp<->gp cost.
11910         (LEGITIMATE_CONSTANT_P): Re-implement with a function.
11911         * config/alpha/alpha.md (movsi): Add n alternative.
11912         (movsi_nt_vms, movdi_er_nofix, movdi_er_fix, movdi_fix): Likewise.
11913         (mov<VEC>_fix, mov<VEC>_nofix): Add i alternative.
11914         (splitters for all of the above): Use alpha_split_const_mov.
11915         * config/alpha/predicates.md (non_add_const_operand): New.
11916         (non_zero_const_operand): New.
11917         (input_operand): Use alpha_legitimate_constant_p after reload.
11918
11919 2005-01-19  Zdenek Dvorak  <dvorakz@suse.cz>
11920
11921         PR tree-optimization/19038
11922         * tree-ssa-loop-ivopts.c (allow_ip_end_pos_p): New function.
11923         (add_candidate): Add ivs with increment in latch only if
11924         allow_ip_end_pos_p is true.
11925         (determine_iv_cost): Use empty_block_p.
11926
11927 2005-01-19  Daniel Berlin  <dberlin@dberlin.org>
11928
11929         * cfganal.c (compute_dominance_frontiers_1): Replace with new algorithm
11930         (compute_dominance_frontiers): Ditto.
11931
11932 2005-01-19  Ralf Corsepius  <ralf.corsepius@rtems.org>
11933
11934         PR target/19529
11935         * config/sh/t-rtems: New.
11936         * config.gcc (sh-*-rtems*): Reflect having added config/sh/t-rtems.
11937
11938 2005-01-19  Zdenek Dvorak  <dvorakz@suse.cz>
11939
11940         * tree-ssa-ccp.c (maybe_fold_offset_to_component_ref): Always subtract
11941         the offset of the selected field.
11942
11943 2005-01-19  Kazu Hirata  <kazu@cs.umass.edu>
11944
11945         * tree-cfg.c (remove_forwarder_block): Fix the check to
11946         prevent a nonlocal label from appearing in the middle of a
11947         basic block.
11948
11949 2005-01-19  Hans-Peter Nilsson  <hp@axis.com>
11950
11951         PR rtl-optimization/19462
11952         * reorg.c (find_end_label): Create return insn only if
11953         current_function_epilogue_delay_list is empty.
11954
11955 2005-01-19  Paolo Bonzini  <bonzini@gnu.org>
11956
11957         * doc/passes.texi: Remove paragraph mentioning new-ra.
11958
11959 2005-01-19  Jakub Jelinek  <jakub@redhat.com>
11960
11961         PR rtl-optimization/15139
11962         * combine.c: Include params.h.
11963         (count_rtxs): New function.
11964         (record_value_for_reg): If replace_rtx would replace at least
11965         2 occurrences of REG in VALUE and TEM is really large, replace REG with
11966         (clobber (const_int 0)) instead of TEM.
11967         * params.def (PARAM_MAX_LAST_VALUE_RTL): New.
11968         * params.h (MAX_LAST_VALUE_RTL): New.
11969         * Makefile.in (combine.o): Depend on $(PARAMS_H).
11970         * doc/invoke.texi (--param max-last-value-rtl=N): Document.
11971
11972         PR c/17297
11973         * c-typeck.c (digest_init): Only call build_vector if all constructor
11974         elements are *_CST nodes.
11975         * gimplify.c (gimplify_init_constructor): Likewise.
11976
11977         PR middle-end/19164
11978         * c-typeck.c (digest_init): Only call build_vector if inside_init
11979         is a CONSTRUCTOR.
11980
11981 2005-01-18  Tobias Schl"uter  <tobias.schlueter@physik.uni-muenchen.de>
11982
11983         * toplev.c (init_asm_output): Remove dead #ifdef.
11984
11985 2005-01-18  Kaz Kojima  <kkojima@gcc.gnu.org>
11986
11987         * config/sh/linux.h (TARGET_C99_FUNCTIONS): Define.
11988
11989 2005-01-18  Eric Botcazou  <ebotcazou@libertysurf.fr>
11990
11991         * calls.c (expand_call): Check DECL_BUILT_IN_CLASS before
11992         accessing DECL_FUNCTION_CODE.
11993         * dojump.c (do_jump): Likewise.
11994         * gimplify.c (gimplify_call_expr): Likewise.
11995         * predict.c (expr_expected_value): Likewise.
11996         (strip_builtin_expect): Likewise.
11997         * tree-inline.c (estimate_num_insns_1): Likewise.
11998         * tree-ssa-loop-im.c (stmt_cost): Likewise
11999         * fold-const.c (fold): Test for BUILT_IN_NORMAL.
12000         (tree_expr_nonnegative_p): Likewise.
12001
12002 2005-01-18  Eric Botcazou  <ebotcazou@libertysurf.fr>
12003
12004         * config/sparc/sparc.c (load_pic_register): Emit the appropriate
12005         variant of the load_pcrel_sym pattern.
12006         * config/sparc/sparc.md (P macro): Move to the top.
12007         (load_pcrel_sym): Macroize using P.
12008         (save_register_window): Likewise.
12009
12010 2005-01-18  Aldy Hernandez  <aldyh@redhat.com>
12011
12012         * config/rs6000/rs6000.md ("sunordered"): Disable for e500.
12013         ("sordered"): Same.
12014
12015 2005-01-18  Andrew Pinski  <pinskia@physics.uc.edu>
12016
12017         PR C/19472
12018         * c-typeck.c (build_asm_expr): Strip nops off
12019         input memory operands.
12020
12021 2005-01-18  David Edelsohn  <edelsohn@gnu.org>
12022
12023         * config/rs6000/aix43.h (CPLUSPLUS_CPP_SPEC): Delete
12024         _XOPEN_SOURCE, _XOPEN_SOURCE_EXTENDED, _LARGE_FILE_API.
12025         * config/rs6000/aix51.h (CPLUSPLUS_CPP_SPEC): Same.
12026         * config/rs6000/aix52.h (CPLUSPLUS_CPP_SPEC): Same.
12027
12028 2005-01-18  Joel Sherrill <joel.sherrill@oarcorp.com>
12029
12030         PR target/19379
12031         * config/i386/i386.c (override_options): If the 80387 is disabled,
12032         then do not return FP values using FP registers.
12033
12034 2005-01-18  Kazu Hirata  <kazu@cs.umass.edu>
12035
12036         * basic-block.h, c-common.c, c-cppbuiltin.c, c-lang.c,
12037         c-tree.h, cfgbuild.c, cgraph.c, cgraph.h, collect2.c,
12038         combine.c, config.gcc, coverage.h, cse.c, cselib.c,
12039         defaults.h, df.c, dwarf2asm.c, dwarf2out.c, explow.c, expr.c,
12040         flow.c, fold-const.c, gcse.c, ggc-page.c, gimple-low.c,
12041         gimplify.c, ifcvt.c, langhooks-def.h, lcm.c, optabs.h,
12042         output.h, postreload-gcse.c, postreload.c, recog.c,
12043         resource.c, rtl.def, rtlanal.c, sched-deps.c, sched-rgn.c,
12044         targhooks.h, toplev.c, tree-data-ref.c, tree-eh.c,
12045         tree-flow.h, tree-loop-linear.c, tree-mudflap.h, tree-nrv.c,
12046         tree-optimize.c, tree-outof-ssa.c, tree-pass.h,
12047         tree-scalar-evolution.c, tree-ssa-copy.c, tree-ssa-dce.c,
12048         tree-ssa-dse.c, tree-ssa-loop-ivopts.c, tree-ssa-operands.c,
12049         tree-ssa-pre.c, tree-ssa.c, tree-vectorizer.c, tree.def,
12050         unwind-dw2-fde-darwin.c, var-tracking.c: Update copyright.
12051
12052         * config/darwin.c, config/darwin.h, config/freebsd-spec.h,
12053         config/alpha/alpha.c, config/arm/vfp.md,
12054         config/i386/emmintrin.h, config/i386/i386-modes.def,
12055         config/i386/i386-protos.h, config/i386/i386.h,
12056         config/i386/pmmintrin.h, config/i386/ppro.md,
12057         config/i386/predicates.md, config/i386/xmmintrin.h,
12058         config/i860/i860.c, config/ia64/ia64-modes.def,
12059         config/ia64/ia64-protos.h, config/ia64/ia64.h,
12060         config/ia64/ia64.md, config/ia64/itanium1.md,
12061         config/ia64/itanium2.md, config/ia64/predicates.md,
12062         config/iq2000/iq2000.h, config/mips/linux64.h,
12063         config/rs6000/aix41.h, config/rs6000/aix43.h,
12064         config/rs6000/aix52.h, config/rs6000/darwin-fallback.c,
12065         config/rs6000/rs6000.c, config/rs6000/rs6000.h,
12066         config/rs6000/spe.md, config/sh/sh.md, config/sparc/linux.h,
12067         config/sparc/linux64.h, config/sparc/litecoff.h,
12068         config/sparc/sp64-elf.h, config/sparc/sparc.c,
12069         config/sparc/sparc.h, config/sparc/sparc.md,
12070         config/sparc/sysv4-only.h: Update copyright.
12071
12072 2005-01-18  Richard Henderson  <rth@redhat.com>
12073
12074         PR target/19496
12075         * config/i386/i386.c (ix86_expand_fp_movcc): Fail for LTGT and UNEQ.
12076
12077 2005-01-18  Marc Espie  <espie@openbsd.org>
12078         * config/i386/openbsdelf.h: Typo.
12079
12080 2005-01-18  Richard Henderson  <rth@redhat.com>
12081
12082         * config/i386/i386.c (ix86_expand_fp_movcc): Remove TARGET_IEEE_FP
12083         special case for sse.
12084         * config/i386/predicates.md (sse_comparison_operator): Likewise.
12085
12086 2005-01-18  Dorit Naishlos  <dorit@il.ibm.com>
12087
12088         * tree-inline.c (estimate_num_insns_1): Added cases for
12089         ALIGN_INDIRECT_REF, MISALIGNED_INDIRECT_REF, and REALIGN_LOAD_EXPR.
12090
12091 2005-01-18  Eric Botcazou  <ebotcazou@libertysurf.fr>
12092
12093         PR rtl-optimization/19296
12094         * combine.c (simplify_comparison): Rewrite the condition under
12095         which a non-paradoxical SUBREG of a PLUS can be lifted when
12096         compared against a constant.
12097
12098 2005-01-18  Andi Kleen <ak@muc.de>
12099
12100         * c-typeck.c: (convert_for_assignment): Check warn_pointer_sign.
12101         * c.opt (-Wpointer-sign): Add.
12102         * doc/invoke.texi: (-Wpointer-sign): Add.
12103
12104 2005-01-18  Uros Bizjak  <uros@kss-loka.si>
12105
12106         * config/i386/i386.c (override_options): Revert 2004-11-24 change.
12107         * config/i386/i386.md (fmodsf3, dremsf3, *sinsf2, *cossf2, sincossf3,
12108         *tansf3_1, tansf2, atan2sf3_1, atan2sf3, atansf2, asinsf2, acossf2,
12109         logsf2, log10sf2, log2sf2, log1psf2, logbsf2, ilogbsf2, expsf2,
12110         exp10sf2, exp2sf2, expm1sf2, rintsf2, floorsf2, ceilsf2, btruncsf2,
12111         nearbyintsf2): Disable for TARGET_SSE_MATH.  Leave patterns enabled
12112         for TARGET_MIX_SSE_I387.
12113         (fmoddf3, dremdf3, *sindf2, *sinextendsfdf2, *cosdf2, *cosextendsfdf2,
12114         sincosdf3, *sincosextendsfdf3, *tandf3_1, tandf2, atan2df3_1,
12115         atan2df3, atandf2, asindf2, acosdf2, logdf2, log10df2, log2df2,
12116         log1pdf2, logbdf2, expdf2, exp10df2, exp2df2, expm1df2, rintdf2,
12117         floordf2, ceildf2, btruncdf2, nearbyintdf2): Disable for
12118         (TARGET_SSE2 && TARGET_SSE_MATH).  Leave patterns enabled for
12119         TARGET_MIX_SSE_I387.
12120         (atan2sf3, atan2df3, atan2xf3): Remove register constraints
12121         from expander.
12122
12123 2005-01-18  Uros Bizjak  <uros@kss-loka.si>
12124
12125         PR target/19424
12126         * config/i386/mmx.md (*movv2sf_internal_rex64, *movv2sf_internal):
12127         Add movaps alternative for xmm reg->reg move.
12128
12129 2005-01-17  Jeff Law  <law@redhat.com>
12130
12131         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Clear SSA_NAME_VALUE
12132         at the end of the main DOM loop rather than just before DOM exits.
12133
12134 2005-01-17  Diego Novillo  <dnovillo@redhat.com>
12135
12136         PR tree-optimization/19121
12137         * tree-ssa-alias.c (compute_flow_sensitive_aliasing): When
12138         adding aliases to a name tag, also add them to the pointer's
12139         type tag.
12140         * tree-ssa-copy.c (merge_alias_info): Do not merge flow
12141         sensitive alias info at all.  Only check that the two pointers
12142         have compatible pointed-to sets.
12143         * tree-ssa.c (verify_name_tags): Verify that the alias set of
12144         a pointer's type tag is a superset of the alias set of the
12145         pointer's name tag.
12146
12147 2005-01-17  James E Wilson  <wilson@specifixinc.com>
12148
12149         PR target/19357
12150         * config/ia64/ia64.md (movxf): Handle general register source.  Adjust
12151         comment to document why.
12152
12153 2005-01-17  Richard Henderson  <rth@redhat.com>
12154
12155         * config/i386/sse.md (smaxv4sf3_finite, sse_vmsmaxv4sf3_finite,
12156         sminv4sf3_finite, sse_vmsminv4sf3_finite, smaxv2df3_finite,
12157         sse2_vmsmaxv2df3_finite, sminv2df3_finite,
12158         sse2_vmsminv2df3_finite): New.
12159         (smaxv4sf3, sse_vmsmaxv4sf3, sminv4sf3, sse_vmsminv4sf3, smaxv2df3,
12160         sse2_vmsmaxv2df3, sminv2df3, sse2_vmsminv2df3): Remove commutative.
12161         Force op1 into register.
12162
12163 2005-01-17  Kelley Cook  <kcook@gcc.gnu.org>
12164
12165         * Makefile.in (STAGEMOVESTUFF): Stage all the stamp files to prevent
12166         bubblestrap from always rebuilding build directory.
12167
12168 2005-01-17  Ulrich Weigand  <uweigand@de.ibm.com>
12169
12170         * config/s390/s390.md ("*clc"): Remove incorrect '='.
12171         ("*cmpmem_short"): Likewise.
12172
12173 2005-01-17  Steven Bosscher  <stevenb@suse.de>
12174
12175         * basic-block.h: Document BB_* flags.
12176         * regrename.c (copyprop_hardreg_forward): Don't use BB_VISITED,
12177         use an sbitmap instead.
12178         * sched-rgn.c (compute_trg_info): Likewise.
12179
12180 2005-01-17  Richard Sandiford  <rsandifo@redhat.com>
12181
12182         * config.gcc (mips64*-*-linux*): Set the default abi to n32.  Remove
12183         redundant target_cpu_default and extra_parts lines.  Use the default
12184         "from-abi" ISA.
12185         * config/mips/linux64.h (DRIVER_DEFAULT_ABI_SELF_SPEC): Delete.
12186         (SUBTARGET_EXTRA_SPECS): Delete.
12187         (DRIVER_SELF_SPECS): Remove architecture lines.  Set the ABI directly.
12188         (SUBTARGET_ASM_SPEC): Remove -mabi=n32 and -mabi=64 mappings.
12189         * config/mips/t-linux64 (MULTILIB_DIRNAMES): Use "32" for -mabi=32
12190         and "n32" for -mabi=n32.
12191
12192 2005-01-17  Ian Lance Taylor  <ian@airs.com>
12193
12194         PR c/5675
12195         * c-typeck.c (build_c_cast): Revert patch of 2003-02-16: don't
12196         fold constant variables into initial values.
12197
12198 2005-01-17  Kazu Hirata  <kazu@cs.umass.edu>
12199
12200         * tree-cfg.c (tree_can_merge_blocks_p): Reorder two checks.
12201
12202         * tree-cfg.c (tree_forwarder_block_p): Speed up by walking
12203         through the statements backward.
12204
12205 2005-01-17  Ian Lance Taylor  <ian@airs.com>
12206
12207         PR middle-end/13127:
12208         * tree-inline.c (expand_call_inline): Set TREE_NO_WARNING on
12209         a variable set to the return value of the inlined function.
12210
12211 2005-01-17  Mark Dettinger  <dettinge@de.ibm.com>
12212
12213         * rtlanal.c (rtx_cost): Assign cost of 0 to a SUBREG
12214         when modes are tieable.
12215
12216 2005-01-17  Ranjit Mathew  <rmathew@hotmail.com>
12217
12218         * gthr-posix.h (__gthread_active_p): Use pthread_cancel instead
12219         of pthread_create to find out if threads are enabled.
12220         * gthr-posix95.h (__gthread_active_p): Likewise.
12221
12222 2005-01-17  Paolo Bonzini  <bonzini@gnu.org>
12223
12224         * common.opt (-fnew-ra): Remove.
12225         * ra*.*: Remove.
12226         * toplev.h (flag_new_regalloc): Remove.
12227         * Makefile.in (ra*.*): Don't mention.
12228         * passes.c (rest_of_handle_new_regalloc): Remove.
12229         (rest_of_handle_combine, rest_of_compilation): Always consider
12230         flag_new_regalloc as false.
12231         * doc/invoke.texi: Don't document -fnew-ra.
12232
12233 2005-01-17  Paolo Bonzini <bonzini@gnu.org>
12234
12235         * bb-reorder.c (fix_edges_for_rarely_executed_code): Remove
12236         last parameter to reg_scan.
12237         * loop.c (loop_optimize): Likewise.
12238         * passes.c (rest_of_handle_tracer, rest_of_handle_if_conversion,
12239         rest_of_handle_web, rest_of_handle_cfg, rest_of_handle_jump_bypass,
12240         rest_of_handle_life, rest_of_handle_cse, rest_of_handle_cse2,
12241         rest_of_handle_gcse, rest_of_handle_loop_optimize,
12242         rest_of_handle_loop2, rest_of_handle_jump2): Likewise.
12243         * regclass.c (reg_scan): Likewise, for the declaration.
12244         * rtl.h (reg_scan): Likewise, for the prototype.
12245
12246 2005-01-17  Kazu Hirata  <kazu@cs.umass.edu>
12247
12248         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Don't call
12249         mark_dfs_back_edges.
12250
12251 2005-01-16  Daniel Berlin  <dberlin@dberlin.org>
12252
12253         * tree-ssa-pre.c (add_to_sets): s1 may be NULL.
12254         (compute_avail): Uses don't go in tmp_gen.
12255
12256 2005-01-16  Steven Bosscher  <stevenb@suse.de>
12257
12258         * ggc-page.c (ggc_alloc_stat): Use __builtin_ctzl instead of a
12259         loop to look for a free slot in a page entry.
12260
12261 2005-01-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
12262
12263         PR target/16304
12264         * defaults.h (TARGET_DEFERRED_OUTPUT_DEFS): Provide default.
12265         * toplev.c (compile_file): Call process_pending_assemble_output_defs
12266         just before targetm.asm_out.file_end.
12267         * tree.h (process_pending_assemble_output_defs): Declare.
12268         * varasm.c (assemble_output_def, process_pending_assemble_output_defs):
12269         New functions.
12270         (assemble_alias): Defer generation of assembly code for defines when
12271         TARGET_DEFERRED_OUTPUT_DEFS is true.
12272         * config/rs6000/aix41.h (TARGET_DEFERRED_OUTPUT_DEFS): Define.
12273         * config/rs6000/aix43.h (TARGET_DEFERRED_OUTPUT_DEFS): Define.
12274         * doc/tm.texi (TARGET_DEFERRED_OUTPUT_DEFS): document.
12275
12276 2005-01-15  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
12277
12278         PR target/19336
12279         * pa.c (pa_scalar_mode_supported_p): New function.
12280         (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
12281         * pa.h (MIN_UNITS_PER_WORD): Add comment.
12282
12283         * pa-protos.h (prefetch_operand): Delete.
12284         (prefetch_cc_operand, prefetch_nocc_operand): New declations.
12285         * pa.c (prefetch_operand): Delete.
12286         (prefetch_cc_operand, prefetch_nocc_operand): New functions.
12287         * pa.h (EXTRA_CONSTRAINT): Add `W' constraint.
12288         (PREDICATE_CODES): Delete prefetch_operand.  Add prefetch_cc_operand
12289         and prefetch_nocc_operand.
12290         * pa.md (prefetch): Rework to avoid reload problems handling short
12291         displacements when a cache control completer needs to be provided.
12292         (prefetch_32, prefetch_64): Delete.
12293         (prefetch_cc, prefetch_nocc): New patterns.
12294
12295 2005-01-15  David Edelsohn  <edelsohn@gnu.org>
12296
12297         * config/rs6000/aix52.h (CPLUSPLUS_CPP_SPEC): Revert previous change.
12298
12299 2005-01-15  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
12300
12301         PR ada/19388
12302         * pa.c (pa_asm_output_aligned_common): Warn if specified alignment
12303         exceeds maximum alignment for global common data.
12304         * pa64-hpux.h (MAX_OFILE_ALIGNMENT): Define to 32768.
12305         * som.h (MAX_OFILE_ALIGNMENT): Likewise.
12306
12307 2004-01-15  Roger Sayle  <roger@eyesopen.com>
12308
12309         * tree-ssa-dom.c (extract_range_from_cond): Correct condition.
12310
12311 2004-01-15  Roger Sayle  <roger@eyesopen.com>
12312
12313         * harg-reg-set.h (reg_class_names): Prototype global array.
12314         * regclass.c (reg_class_names): Declare here and initialize to
12315         REG_CLASS_NAMES.
12316         (dump_regclass): Remove local declaration of reg_class_names.
12317         (regclass): Likewise.
12318         * cfg.c (dump_flow_info): Likewise.
12319         * ra-debug.c (reg_class_names): Likewise.
12320         * regrename.c (reg_class_names): Likewise.
12321         * reload.c (reg_class_names): Likewise.
12322         * reload1.c (spill_failure): Likewise.
12323         * config/m68hc11/m68hc11.c (reg_class_names): Likewise.
12324
12325 2005-01-15  Ulrich Weigand  <uweigand@de.ibm.com>
12326
12327         * config/s390/s390.md ("reload_outti"): Remove predicate for
12328         output operand.  Abort if operand is not a MEM.
12329         ("reload_outdi", "reload_outdf"): Likewise.
12330
12331 2005-01-15  Marc Espie  <espie@openbsd.org>
12332
12333         * config.gcc (*-*-openbsd*): Set HAS_LIBC_R for OpenBSD <= 3.2.
12334         (i[34567]86-*-openbsd*): Switch to ELF for OpenBSD >= 3.4.
12335         * config/openbsd.h:  Fix C++ includes for native configurations.
12336         Add proper OS_CPP_BUILTINS.  Fix libspec for recent OpenBSD.
12337         Add trampoline support.
12338         * config/i386/openbsdelf.h: New.
12339
12340 2005-01-15  Marc Espie  <espie@openbsd.org>
12341
12342         * collect2.c (main): Explicitly parse -dynamic-linker option.
12343
12344 2005-01-15  Jakub Jelinek  <jakub@redhat.com>
12345
12346         PR tree-optimization/19060
12347         * tree-ssa-dom.c (extract_range_from_cond) <case LT_EXPR, GT_EXPR>:
12348         Return 0 if op1 <= TYPE_MIN_VALUE () resp. op1 >= TYPE_MAX_VALUE ().
12349         (simplify_cond_and_lookup_avail_expr): Add assert for dummy == 0
12350         and handle extract_range_from_cond returning false.
12351         * fold-const.c (fold): Optimize comparisons with min/max even for
12352         width > HOST_BITS_PER_WIDE_INT.
12353
12354 2005-01-15  Ralf Corsepius  <ralf.corsepius@rtems.org>
12355
12356         * config/mips/rtems.h (MIPS_DEFAULT_GVALUE): Set to 0.
12357         * config/mips/t-rtems (MULTILIBS_DIRNAMES,MULTILIB_OPTIONS):
12358         Remove little endian multilib variants.
12359         Add mips32 multilib variant.
12360
12361 2005-01-15  Kazu Hirata  <kazu@cs.umass.edu>
12362
12363         * explow.c (copy_all_reg, stabilize): Remove.
12364         * expr.h: Remove the corresponding prototypes.
12365
12366         * rtlanal.c (regs_set_between_p): Remove.
12367         * rtl.h: Remove the corresponding prototype.
12368
12369 2005-01-14  David Edelsohn  <edelsohn@gnu.org>
12370
12371         * config/rs6000/rs6000.c (rs6k_nonimmediate_operand): Rename
12372         to rs6000_nonimmediate_operand.
12373         * config/rs6000/rs6000.h (PREDICATE_CODES): Rename
12374         rs6k_nonimmediate_operand to rs6000_nonimmediate_operand.
12375         * config/rs6000/rs6000.md (movsi_internal1): Rename predicate to
12376         rs6000_nonimmediate_operand.
12377         * config/rs6000/spe.md (movdf_e500_double): Rename predicate to
12378         rs6000_nonimmediate_operand.
12379
12380 2005-01-14  Andrew Pinski  <pinskia@physics.uc.edu>
12381
12382         * tree-ssa-alias.c (pass_may_alias): Add TODO_verify_stmts.
12383
12384 2005-01-14  Aldy Hernandez  <aldyh@redhat.com>
12385
12386         * config/rs6000/rs6000.h (CLASS_MAX_NREGS): DF goes in 1 register
12387         on e500v2.
12388         (CANNOT_CHANGE_MODE_CLASS): Restrict DI mode changes on e500v2.
12389         (PREDICATE_CODES): Add rs6k_nonimmediate_operand.
12390
12391         * config/rs6000/rs6000.c (invalid_e500_subreg): New.
12392         (rs6k_nonimmediate_operand): New.
12393         (rs6000_legitimate_offset_address_p): Handle DI modes on e500v2
12394         correctly.
12395         (legitimate_lo_sum_address_p): Same.
12396         (rs6000_legitimize_address): Same.
12397         (rs6000_legitimize_reload_address): Same.
12398         (rs6000_legitimate_address): Same.
12399         (spe_build_register_parallel): Pass DF and DC modes in a DI
12400         register.
12401
12402         * config/rs6000/rs6000.md ("*movsi_internal1"): Change predicate
12403         to rs6k_nonimmediate_operand.
12404
12405         * config/rs6000/spe.md ("*frob_df_di"): New.
12406         ("*frob_di_df"): New.
12407         ("*frob_di_df_2"): New.
12408         ("*mov_sidf_e500_subreg0"): New.
12409         ("*mov_sidf_e500_subreg4"): New.
12410         ("*movdf_e500_double"): Change predicate to
12411         rs6k_nonimmediate_operand.
12412
12413 2005-01-14  Aldy Hernandez  <aldyh@redhat.com>
12414
12415         * postreload.c (move2add_note_store): Only call
12416         trunc_int_for_mode on scalar integers.
12417
12418 2005-01-14  Steven Bosscher  <stevenb@suse.de>
12419
12420         * tree-ssa-dce.c (visited_control_parents): New sbitmap to
12421         replace BB_VISITED uses.
12422         (find_obviously_necessary_stmts): Don't clear BB_VISITED.
12423         (propagate_necessity): Check the bitmap instead of BB_VISITED.
12424         (tree_dce_done): Free visited_control_parents.
12425         (perform_tree_ssa_dce): Allocate and clear it.
12426         * tree-ssa-pre.c (compute_antic_aux): Make non-recursive.
12427         (compute_antic): Iterate from here using a DFS.  Use an sbitmap
12428         instead of BB_VISITED.
12429
12430 2005-01-14  Kazu Hirata  <kazu@cs.umass.edu>
12431
12432         * c-tree.h, coverage.h, langhooks-def.h, optabs.h, output.h,
12433         rtl.h, targhooks.h, tree-flow.h, tree-mudflap.h, tree.h:
12434         Remove unused prototypes.
12435
12436 2005-01-14  Aldy Hernandez  <aldyh@redhat.com>
12437
12438         * config/rs6000/rs6000.c (rs6000_stack_info): Fix caching of SPE
12439         64-bit register usage.
12440         (spe_func_has_64bit_regs_p): Add FIXME note.
12441
12442 2005-01-14  Aldy Hernandez  <aldyh@redhat.com>
12443
12444         * config/rs6000/rs6000.c (rs6000_generate_compare): Replace
12445         flag_finite_math_only with flag_unsafe_math_optimizations.
12446
12447 2005-01-14  J. D. Johnston  <jjohnst@us.ibm.com>
12448
12449         * config/s390/tpf-unwind.h (s390_fallback_frame_state): Correct
12450         end-of-stack check.
12451         (__tpf_eh_return): Copy TPF private stack area from the module
12452         boundary stack frame.  Add check for when module addresses are
12453         equal, but no stub address is found.
12454
12455 2005-01-14  Richard Earnshaw  <rearnsha@arm.com>
12456
12457         PR target/7525
12458         * arm.h (struct machine_function): Add call_via field.
12459         (thumb_call_via_label): Declare.
12460         * arm.c (thumb_call_via_label): New variable.
12461         (thumb_call_reg_needed): New variable.
12462         (arm_output_function_epilogue): For Thumb code, output any per-function
12463         call-indirect trampolines.
12464         (thumb_call_via_reg): New function.
12465         (arm_file_end): New function.
12466         (TARGET_ASM_FILE_END): Call arm_file_end.
12467         (aof_file_end): Likewise.
12468         * arm-protos.h (thumb_call_via_reg): Declare.
12469         * arm.md (call_reg_thumb, call_value_reg_thumb): Call
12470         thumb_call_via_reg in normal case.
12471
12472 2005-01-14  Jakub Jelinek  <jakub@redhat.com>
12473
12474         PR middle-end/19084
12475         PR rtl-optimization/19348
12476         * recog.c (peephole2_optimize): Do global life update if some peephole
12477         decides it doesn't need at least one of its inputs and that change
12478         influences liveness at the start of the basic block.
12479
12480         * basic-block.h (EXECUTE_IF_AND_COMPL_IN_REG_SET): Needs 2 REGSET
12481         arguments instead of 1.
12482
12483 2005-01-14  Eric Botcazou  <ebotcazou@libertysurf.fr>
12484
12485         PR middle-end/18820
12486         * varasm.c (initializer_constant_valid_p) <ADDR_EXPR>: Return
12487         zero for nested functions needing a static chain or functions
12488         with a non-constant address.
12489
12490 2005-01-13  Roger Sayle  <roger@eyesopen.com>
12491
12492         * simplify-rtx.c (simplify_binary_operation) <AND>: Optimize
12493         (and (sign_extend X) C) into (zero_extend (and X C)).
12494
12495 2005-01-13  David O'Brien  <obrien@FreeBSD.org>
12496
12497         * config/freebsd-spec.h:  Make KSE pthread lib logic the default.
12498
12499 2005-01-13  Richard Henderson  <rth@redhat.com>
12500
12501         PR target/19009
12502         PR target/19250
12503         PR target/19252
12504         * config/i386/i386.md (cmpdf, cmpsf, bunordered, bordered, buneq,
12505         bunge, bungt, bunle, bunlt, bltgt): Enable for TARGET_SSE_MATH,
12506         not just TARGET_SSE.
12507         (cmpfp_i_387): Rename from cmpfp_i.  Move after sse patterns.
12508         (cmpfp_i_mixed): Rename from cmpfp_i_sse; use for TARGET_MIX_SSE_I387.
12509         (cmpfp_i_sse): Rename from cmpfp_i_sse_only; use for TARGET_SSE_MATH.
12510         (cmpfp_iu_mixed, cmpfp_iu_sse, cmpfp_iu_387): Similarly.
12511         (fp_jcc_1_mixed, fp_jcc_1_sse, fp_jcc_1_387): Similarly.
12512         (fp_jcc_2_mixed, fp_jcc_2_sse, fp_jcc_2_387): Similarly.
12513         (fp_jcc_3_387, fp_jcc_4_387, fp_jcc_5_387, fp_jcc_6_387,
12514         fp_jcc_7_387, fp_jcc_8_387): Rename from fp_jcc_N.
12515         (movdicc_c_rex64): Rename with '*'.
12516         (movsfcc, movdfcc): Add checks for 387 and sse math to condition.
12517         (movsfcc_1_sse_min, movsfcc_1_sse_max, movsfcc_1_sse): New.
12518         (movsfcc_1_387): Rename from movsfcc_1.
12519         (movdfcc_1_sse_min, movdfcc_1_sse_max, movdfcc_1_sse): New.
12520         (movdfcc_1, movdfcc_1_rex64): Add check for 387.
12521         (sminsf3, smaxsf3, smindf3, smaxdf3): New.
12522         (minsf3, minsf, minsf_nonieee, minsf_sse, mindf3, mindf,
12523         mindf_nonieee, mindf_sse, maxsf3, maxsf, maxsf_nonieee, maxsf_sse,
12524         maxdf3, maxdf, maxdf_nonieee, maxdf_sse, sse_movsfcc, sse_movsfcc_eq,
12525         sse_movdfcc, sse_movdfcc_eq, sse_movsfcc_const0_1,
12526         sse_movsfcc_const0_2, sse_movsfcc_const0_3, sse_movsfcc_const0_4,
12527         sse_movdfcc_const0_1, sse_movdfcc_const0_2, sse_movdfcc_const0_3,
12528         sse_movdfcc_const0_4): Remove.
12529         * config/i386/i386.c (ix86_expand_fp_movcc): For TARGET_SSE_MATH,
12530         recognize min/max early.  Update for changed sse cmove patterns.
12531         (ix86_split_sse_movcc): New.
12532         * config/i386/i386-protos.h: Update.
12533
12534 2005-01-13  Steven Bosscher  <stevenb@suse.de>
12535
12536         * tree-ssa-dse.c (fix_phi_uses): Use SSA operand iterators.
12537         (fix_stmt_v_may_defs): Likewise.
12538
12539 2005-01-13  Richard Henderson  <rth@redhat.com>
12540
12541         * config/i386/i386.c (ix86_expand_fp_absneg_operator): Use elt_mode
12542         for converting the mask.
12543
12544 2005-01-13  David Edelsohn  <edelsohn@gnu.org>
12545
12546         * config/rs6000/aix52.h (CPLUSPLUS_CPP_SPEC): Change _XOPEN_SOURCE
12547         definition to 600.
12548
12549 2005-01-13  Richard Henderson  <rth@redhat.com>
12550
12551         * config/i386/i386.c (IX86_BUILTIN_MOVQ, IX86_BUILTIN_LOADD,
12552         IX86_BUILTIN_STORED, IX86_BUILTIN_MOVQ2DQ,
12553         IX86_BUILTIN_MOVDQ2Q): Remove.
12554         (IX86_BUILTIN_VEC_EXT_V4SI): New.
12555         (ix86_init_mmx_sse_builtins, ix86_expand_builtin): Update to match.
12556         (ix86_expand_vector_extract): For V4S[FI], extract element 0 after
12557         shuffling.
12558         * config/i386/sse.md (sse_concatv2sf): Accept zero operand 2.
12559         (sse2_pextrw): Fix immediate constraint.
12560         (sse2_loadq, sse2_loadq_rex64): Remove.
12561         * config/i386/emmintrin.h (_mm_cvtsi128_si32, _mm_cvtsi128_si64x):
12562         Use __builtin_ia32_vec_ext_<size>.
12563         (_mm_cvtsi32_si128, _mm_cvtsi64x_si128): Use _mm_set_epi<size>.
12564
12565 2005-01-13  Aldy Hernandez  <aldyh@redhat.com>
12566
12567         * function.c (assign_parm_setup_block): Look inside original
12568         entry_parm when inspecting PARALLEL.
12569
12570 2005-01-13  Ralf Corsepius  <ralf.corsepius@rtems.org>
12571             Joel Sherrill  <joel@oarcorp.com>
12572
12573         PR target/19399
12574         * gthr-rtems.h (__gthread_recursive_mutex_t): New type.
12575         (__GTHREAD_RECURSIVE_MUTEX_INIT_FUNCTION): Define to
12576         rtems_gxx_recursive_mutex_init.
12577         (__gthread_recursive_mutex_lock): New function.
12578         (__gthread_recursive_mutex_trylock): Likewise.
12579         (__gthread_recursive_mutex_unlock): Likewise.
12580
12581 2005-01-13  Ralf Corsepius <ralf.corsepius@rtems.org>
12582
12583         * config/i386/t-rtems-i386: Multilib on -mtune instead of -mcpu.
12584
12585 2005-01-13  Jan Beulich  <jbeulich@novell.com>
12586
12587         * config/ia64/ia64.md (ashlti3, ashlti3_internal): New.
12588         (ashrti3_internal): Indicate output is early clobber. Generate result
12589         into output rather than first input. Use move for low word of output
12590         if shift count is exactly 64.
12591         (lshrti3_internal): Likewise.
12592
12593 2005-01-13  Hans-Peter Nilsson  <hp@bitrange.com>
12594
12595         PR target/18329
12596         PR target/18330
12597         * reload1.c (delete_output_reload): Don't delete an output reload
12598         if the pseudo lives longer than a single basic block.  Adjust and
12599         improve wording of comment.
12600
12601 2005-01-12  Andrew Pinski  <pinskia@physics.uc.edu>
12602
12603         PR target/19334
12604         * config/darwin.c (machopic_select_section): Use TYPE_SIZE_UNIT instead
12605         of TYPE_SIZE where we mean the number of bytes.
12606
12607 2005-01-12  Aldy Hernandez  <aldyh@redhat.com>
12608
12609         * function.c (assign_parm_setup_block): Relax condition on
12610         multi-register optimization.
12611
12612 2005-01-12  Nick Clifton  <nickc@redhat.com>
12613
12614         * config/sh/sh.md (udivsi3_sh2a, divsi3_sh2a): Give these patterns
12615         an "in_delay_slot" attribute of "no" to prevent them being used in
12616         delay slots.  This is forbidden because they might generate
12617         exceptions.
12618
12619 2005-01-12  Alan Modra  <amodra@bigpond.net.au>
12620
12621         PR target/19389
12622         * config/rs6000/rs6000.md (movtf_internal): Replace r->o and m->r
12623         with r->Y and Y->r.
12624
12625 2005-01-12  Nick Clifton  <nickc@redhat.com>
12626
12627         * config/iq2000/iq2000.h (ASM_SPEC): Undefine (to stop -Qy being
12628         passed on to GAS) but do not define, as GAS no longer supports or
12629         needs the -m2000 option.
12630
12631 2005-01-11  Roger Sayle  <roger@eyesopen.com>
12632
12633         * builtins.c (fold_builtin_fabs): Convert argument to the appropriate
12634         type as args of unprototyped builtins aren't automatically promoted.
12635         (fold_builtin_abs): Likewise.
12636
12637 2005-01-11  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
12638
12639         * Makefile.in: Set a `build-warn' variable.
12640
12641 2005-01-11  Zdenek Dvorak  <dvorakz@suse.cz>
12642
12643         PR tree-optimization/17949
12644         * tree-ssa-loop-ivopts.c (may_be_unaligned_p): New function.
12645         (find_interesting_uses_address): Use it.
12646
12647 2005-01-11  Aldy Hernandez  <aldyh@redhat.com>
12648
12649         * regrename.c (kill_value): Handle subreg's that won't simplify.
12650
12651 2005-01-11  Richard Henderson  <rth@redhat.com>
12652
12653         PR target/13366
12654         * config/i386/i386.h (enum ix86_builtins): Move ...
12655         * config/i386/i386.c: ... here.
12656         (IX86_BUILTIN_MOVDDUP, IX86_BUILTIN_MMX_ZERO, IX86_BUILTIN_PEXTRW,
12657         IX86_BUILTIN_PINSRW, IX86_BUILTIN_LOADAPS, IX86_BUILTIN_LOADSS,
12658         IX86_BUILTIN_STORESS, IX86_BUILTIN_SSE_ZERO, IX86_BUILTIN_PEXTRW128,
12659         IX86_BUILTIN_PINSRW128, IX86_BUILTIN_LOADAPD, IX86_BUILTIN_LOADSD,
12660         IX86_BUILTIN_STOREAPD, IX86_BUILTIN_STORESD,  IX86_BUILTIN_STOREHPD,
12661         IX86_BUILTIN_STORELPD, IX86_BUILTIN_SETPD1, IX86_BUILTIN_SETPD,
12662         IX86_BUILTIN_CLRPD, IX86_BUILTIN_LOADPD1, IX86_BUILTIN_LOADRPD,
12663         IX86_BUILTIN_STOREPD1, IX86_BUILTIN_STORERPD, IX86_BUILTIN_LOADDQA,
12664         IX86_BUILTIN_STOREDQA, IX86_BUILTIN_CLRTI,
12665         IX86_BUILTIN_LOADDDUP): Remove.
12666         (IX86_BUILTIN_VEC_INIT_V2SI, IX86_BUILTIN_VEC_INIT_V4HI,
12667         IX86_BUILTIN_VEC_INIT_V8QI, IX86_BUILTIN_VEC_EXT_V2DF,
12668         IX86_BUILTIN_VEC_EXT_V2DI, IX86_BUILTIN_VEC_EXT_V4SF,
12669         IX86_BUILTIN_VEC_EXT_V8HI, IX86_BUILTIN_VEC_EXT_V4HI,
12670         IX86_BUILTIN_VEC_SET_V8HI, IX86_BUILTIN_VEC_SET_V4HI): New.
12671         (ix86_init_builtins): Make static.
12672         (ix86_init_mmx_sse_builtins): Update for changed builtins.
12673         (ix86_expand_binop_builtin): Only use ix86_fixup_binary_operands
12674         if all the modes match.  Otherwise, fake it.
12675         (get_element_number, ix86_expand_vec_init_builtin,
12676         ix86_expand_vec_ext_builtin, ix86_expand_vec_set_builtin): New.
12677         (ix86_expand_builtin): Make static.  Update for changed builtins.
12678         (ix86_expand_vector_move_misalign): Use sse2_loadlpd with zero
12679         operand instead of sse2_loadsd.  Cast sse1 fallback to V4SFmode.
12680         (ix86_expand_vector_init_duplicate): New.
12681         (ix86_expand_vector_init_low_nonzero): New.
12682         (ix86_expand_vector_init_one_var, ix86_expand_vector_init_general):
12683         Split out from ix86_expand_vector_init; handle integer modes.
12684         (ix86_expand_vector_init): Use them.
12685         (ix86_expand_vector_set, ix86_expand_vector_extract): New.
12686         * config/i386/i386-protos.h: Update.
12687         * config/i386/predicates.md (reg_or_0_operand): New.
12688         * config/i386/mmx.md (mov<MMXMODEI>_internal): Add 'r' variants.
12689         (movv2sf_internal): Likewise.  And a splitter to match them all.
12690         (vec_dupv2sf, mmx_concatv2sf, vec_setv2sf, vec_extractv2sf,
12691         vec_initv2sf, vec_dupv4hi, vec_dupv2si, mmx_concatv2si, vec_setv2si,
12692         vec_extractv2si, vec_initv2si, vec_setv4hi, vec_extractv4hi,
12693         vec_initv4hi, vec_setv8qi, vec_extractv8qi, vec_initv8qi): New.
12694         (mmx_pinsrw): Fix operand ordering.
12695         * config/i386/sse.md (movv4sf splitter): Use direct pattern,
12696         rather than sse_loadss expander.
12697         (movv2df splitter): Similarly.
12698         (sse_loadss, sse_loadlss): Remove.
12699         (vec_dupv4sf, sse_concatv2sf, sse_concatv4sf, vec_extractv4sf_0): New.
12700         (vec_setv4sf, vec_setv2df): Use ix86_expand_vector_set.
12701         (vec_extractv4sf, vec_extractv2df): Use ix86_expand_vector_extract.
12702         (sse3_movddup): Rename with '*'.
12703         (sse3_movddup splitter): Use gen_rtx_REG instead of gen_lowpart.
12704         (sse2_loadsd): Remove.
12705         (vec_dupv2df_sse3): Rename from sse3_loadddup.
12706         (vec_dupv2df, vec_concatv2df_sse3, vec_concatv2df): New.
12707         (sse2_pinsrw): Fix argument ordering.
12708         (sse2_loadld, sse2_loadq): Add sse1 alternatives.
12709         (sse2_stored): Remove 'r' destination.
12710         (vec_dupv4si, vec_dupv2di, sse2_concatv2si, sse1_concatv2si,
12711         vec_concatv4si_1, vec_concatv2di, vec_setv2di, vec_extractv2di,
12712         vec_initv2di, vec_setv4si, vec_extractv4si, vec_initv4si,
12713         vec_setv8hi, vec_extractv8hi, vec_initv8hi, vec_setv16qi,
12714         vec_extractv16qi, vec_initv16qi): New.
12715
12716         * config/i386/emmintrin.h (__m128i, __m128d): Use typedef, not define.
12717         (_mm_set_sd, _mm_set1_pd, _mm_setzero_pd, _mm_set_epi64x,
12718         _mm_set_epi32, _mm_set_epi16, _mm_set_epi8, _mm_setzero_si128): Use
12719         constructor form.
12720         (_mm_load_pd, _mm_store_pd): Use plain dereference.
12721         (_mm_load_si128, _mm_store_si128): Likewise.
12722         (_mm_load1_pd): Use _mm_set1_pd.
12723         (_mm_load_sd): Use _mm_set_sd.
12724         (_mm_store_sd, _mm_storeh_pd): Use __builtin_ia32_vec_ext_v2df.
12725         (_mm_store1_pd, _mm_storer_pd): Use _mm_store_pd.
12726         (_mm_set_epi64): Use _mm_set_epi64x.
12727         (_mm_set1_epi64x, _mm_set1_epi64, _mm_set1_epi32, _mm_set_epi16,
12728         _mm_set1_epi8, _mm_setr_epi64, _mm_setr_epi32, _mm_setr_epi16,
12729         _mm_setr_epi8): Use _mm_set_foo form.
12730         (_mm_loadl_epi64, _mm_movpi64_epi64, _mm_move_epi64): Use _mm_set_epi64.
12731         (_mm_storel_epi64, _mm_movepi64_pi64): Use __builtin_ia32_vec_ext_v2di.
12732         (_mm_extract_epi16): Use __builtin_ia32_vec_ext_v8hi.
12733         (_mm_insert_epi16): Use __builtin_ia32_vec_set_v8hi.
12734         * config/i386/mmintrin.h (_mm_setzero_si64): Use plain cast.
12735         (_mm_set_pi32): Use __builtin_ia32_vec_init_v2si.
12736         (_mm_set_pi16): Use __builtin_ia32_vec_init_v4hi.
12737         (_mm_set_pi8): Use __builtin_ia32_vec_init_v8qi.
12738         (_mm_set1_pi16, _mm_set1_pi8): Use _mm_set_piN variant.
12739         * config/i386/pmmintrin.h (_mm_loaddup_pd): Use _mm_load1_pd.
12740         (_mm_movedup_pd): Use _mm_shuffle_pd.
12741         * config/i386/xmmintrin.h (_mm_setzero_ps, _mm_set_ss,
12742         _mm_set1_ps, _mm_set_ps, _mm_setr_ps): Use constructor form.
12743         (_mm_cvtpi16_ps, _mm_cvtpu16_ps, _mm_cvtpi8_ps, _mm_cvtpu8_ps,
12744         _mm_cvtps_pi8, _mm_cvtpi32x2_ps): Avoid __builtin_ia32_mmx_zero;
12745         Use _mm_setzero_ps.
12746         (_mm_load_ss, _mm_load1_ps): Use _mm_set* form.
12747         (_mm_load_ps, _mm_loadr_ps): Use raw dereference.
12748         (_mm_store_ss): Use __builtin_ia32_vec_ext_v4sf.
12749         (_mm_store_ps): Use raw dereference.
12750         (_mm_store1_ps): Use _mm_storeu_ps.
12751         (_mm_storer_ps): Use _mm_store_ps.
12752         (_mm_extract_pi16): Use __builtin_ia32_vec_ext_v4hi.
12753         (_mm_insert_pi16): Use __builtin_ia32_vec_set_v4hi.
12754
12755 2005-01-11  Stan Shebs  <shebs@apple.com>
12756
12757         * config/rs6000/rs6000.c (machopic_output_stub): Issue
12758         ldu instead of lwzu if 64-bit -mdynamic-no-pic.
12759
12760 2005-01-11  Andrew Pinski  <pinskia@physics.uc.edu>
12761
12762         PR target/18761
12763         * config/rs6000/rs6000.c (rs6000_special_round_type_align):
12764         Skip all DECLs except for FIELD_DECLs.
12765
12766 2005-01-11  Andreas Krebbel  <krebbel1@de.ibm.com>
12767
12768         * config/s390/s390.c (override_options): Return error if
12769         -mbackchain, -mpacked-stack and -mhard-float are used together.
12770         (s390_va_start): Remove the backchain && packed-stack special case.
12771         (s390_gimplify_va_arg): Likewise.
12772         * doc/invoke.texi: Remove the ABI incompatibility note.
12773
12774 2005-01-11  Andreas Krebbel  <krebbel1@de.ibm.com>
12775
12776         * config/s390/s390.c (struct s390_frame_layout): Remove
12777         save_backchain_p.
12778         (s390_frame_info, s390_emit_prologue): Replace occurrences of
12779         save_backchain_p with TARGET_BACKCHAIN.
12780
12781 2005-01-11  Alan Modra  <amodra@bigpond.net.au>
12782
12783         PR target/18916
12784         * builtins.c (std_gimplify_va_arg_expr): Adjust alignment of *ap.
12785         * expr.h (struct locate_and_pad_arg_data): Add "boundary".
12786         * function.c (locate_and_pad_parm): Set new field.
12787         (assign_parm_find_stack_rtl): Use it instead of FUNCTION_ARG_BOUNDARY.
12788         Tweak where_pad test to include "none".  Always set mem align for
12789         stack_parm.
12790         (assign_parm_adjust_stack_rtl): Discard stack_parm if alignment
12791         not sufficient for type.
12792         (assign_parm_setup_block): If stack_parm is zero on entry, always
12793         make a new stack local.  Block move old stack parm if necessary
12794         to new aligned stack local.
12795         (assign_parm_setup_stack): Use a block move to handle
12796         potentially misaligned entry_parm.
12797         (assign_parms_unsplit_complex): Specify required alignment when
12798         creating stack local.
12799         * calls.c (compute_argument_addresses): Override alignment of stack
12800         arg calculated from its type with the alignment given by
12801         FUNCTION_ARG_BOUNDARY.
12802         (store_one_arg): Likewise.
12803
12804 2005-01-11  Jan Beulich  <jbeulich@novell.com>
12805
12806         * config/ia64/ia64.md (zero_extendsidi2): Replace zxt4 by addp4.
12807         Change respective itanium_class attribute to ialu.
12808         (shladdp4_internal): New.
12809         * config/ia64/predicates.md (shladd_log2_operand): New.
12810
12811 2005-01-11  Richard Henderson  <rth@redhat.com>
12812
12813         * expr.c (store_constructor): Use rtvec_alloc instead of
12814         alloca+gen_rtvec_v, and an incorrect number passed to alloca.
12815
12816 2005-01-11  Kazu Hirata  <kazu@cs.umass.edu>
12817
12818         * config/alpha/alpha.c, config/i386/mmx.md: Fix comment typos.
12819
12820 2005-01-11  Alan Modra  <amodra@bigpond.net.au>
12821
12822         * varasm.c (default_section_type_flags_1): Don't set SECTION_SMALL.
12823         * config/ia64/ia64.c (TARGET_SECTION_TYPE_FLAGS): Define.
12824         (TARGET_RWRELOC): Define.
12825         (ia64_rwreloc_section_type_flags): Delete.
12826         (ia64_section_type_flags): New function.
12827         * config/ia64/hpux.h (TARGET_SECTION_TYPE_FLAGS): Don't define.
12828         (TARGET_RWRELOC): Define.
12829
12830 2005-01-10  David Mosberger  <davidm@hpl.hp.com>
12831
12832         PR target/18987
12833         * config/ia64/ia64.c (process_set): For alloc insn, only call
12834         process_epilogue is !frame_pointer_needed.
12835
12836 2005-01-10  Roger Sayle  <roger@eyesopen.com>
12837
12838         PR c++/19355
12839         * c-common.c (c_common_truthvalue_conversion): TRUTH_NOT_EXPR is a
12840         unary operator and can't be treated as a binary/comparison operator.
12841
12842 2005-01-10  Richard Henderson  <rth@redhat.com>
12843
12844         * config/i386/i386.c (ix86_function_value): Use type_natural_mode.
12845         (ix86_return_in_memory): Likewise.
12846         (function_arg_advance):  Likewise.  Mirror structure in function_arg
12847         for choosing register to advance.
12848
12849 2005-01-10  Kazu Hirata  <kazu@cs.umass.edu>
12850
12851         * tree-vectorizer.c, tree.def: Fix comment typos.
12852
12853 2005-01-10  Mark Dettinger  <dettinge@de.ibm.com>
12854
12855         * config/s390/s390.c (struct processor_costs): 4 new fields:
12856         ddbr, ddr, debr, der.
12857         (s390_rtx_costs): More precise handling of divide instructions.
12858
12859 2005-01-10  David Edelsohn  <edelsohn@gnu.org>
12860
12861         * config/rs6000/t-aix43 (BOOT_LDFLAGS): Define.
12862
12863 2005-01-10  Jan Beulich  <jbeulich@novell.com>
12864
12865         * config/ia64/ia64.c (ia64_in_small_data_p): Also handle the section
12866         names resulting from -ffunction-sections/-fdata-sections and linkonce
12867         ones.
12868         * varasm.c (default_section_type_flags_1): Also set SECTION_SMALL
12869         based on the section name. Rearrange the section name comparison logic
12870         slightly so that each section name is compared against at most once.
12871
12872 2005-01-10  Ben Elliston  <bje@au.ibm.com>
12873
12874         * doc/invoke.texi (Code Gen Options): Add PowerPC to the list of
12875         targets for which -fPIC reduces limitations on the GOT size.
12876
12877 2005-01-09  Falk Hueffner  <falk@debian.org>
12878
12879         * fold-const.c (fold): Also handle EXACT_DIV_EXPR when folding
12880         X/C1 cmpop C2.
12881
12882 2005-01-09  David Edelsohn  <edelsohn@gnu.org>
12883
12884         PR target/18720
12885         * collect2.c (main): Set aixrtl_flag for -brtl option.
12886         (resolve_lib_name): Search for .so file extension before .a
12887         if aixrtl_flag set.
12888
12889 2005-01-09  Dorit Naishlos  <dorit@il.ibm.com>
12890
12891         * tree-vectorizer.c (vect_enhance_data_refs_alignment): Add dump prints.
12892         (vect_analyze_data_refs_alignment): Add dump prints.
12893
12894 2005-01-09  Ira Rosen  <irar@il.ibm.com>
12895
12896         * tree-vectorizer.c (vect_analyze_offset_expr): Use
12897         expr_invariant_in_loop_p.
12898         Initialize outputs first thing in the function.
12899         (vect_update_ivs_after_vectorizer): Call initial_condition_in_loop_num.
12900         (vect_is_simple_iv_evolution): Call initial_condition_in_loop_num.
12901         (vect_analyze_pointer_ref_access): Check that the initial condition of
12902         the access function is loop invariant.
12903
12904 2005-01-09  Richard Henderson  <rth@redhat.com>
12905
12906         * config/i386/i386.c (bdesc_2arg): Update names for mmx_ prefixes.
12907         (ix86_expand_builtin): Likewise.  Frob MASKMOVQ wrt the input mem
12908         just like MASKMOVDQU.  Return plain zero for MMX_ZERO.
12909         * config/i386/i386.md (MMXMODEI, mov<MMXMODEI>,
12910         mov<MMXMODEI>_internal_rex64, mov<MMXMODEI>_internal, movv2sf,
12911         movv2sf_internal_rex64, movv2sf_internal, MMXMODE,
12912         movmisalign<MMXMODE>, mmx_pmovmskb, mmx_maskmovq, mmx_maskmovq_rex,
12913         sse_movntdi, addv8qi3, addv4hi3, addv2si3, mmx_adddi3, ssaddv8qi3,
12914         ssaddv4hi3, usaddv8qi3, usaddv4hi3, subv8qi3, subv4hi3, subv2si3,
12915         mmx_subdi3, sssubv8qi3, sssubv4hi3, ussubv8qi3, ussubv4hi3,
12916         mulv4hi3, smulv4hi3_highpart, umulv4hi3_highpart, mmx_pmaddwd,
12917         sse2_umulsidi3, mmx_iordi3, mmx_xordi3, mmx_anddi3, mmx_nanddi3,
12918         mmx_uavgv8qi3, mmx_uavgv4hi3, mmx_psadbw, mmx_pinsrw, mmx_pinsrw,
12919         mmx_pextrw, mmx_pshufw, eqv8qi3, eqv4hi3, eqv2si3, gtv8qi3, gtv4hi3,
12920         gtv2si3, umaxv8qi3, smaxv4hi3, uminv8qi3, sminv4hi3, ashrv4hi3,
12921         ashrv2si3, lshrv4hi3, lshrv2si3, mmx_lshrdi3, ashlv4hi3, ashlv2si3,
12922         mmx_ashldi3, mmx_packsswb, mmx_packssdw, mmx_packuswb, mmx_punpckhbw,
12923         mmx_punpckhwd, mmx_punpckhdq, mmx_punpcklbw, mmx_punpcklwd,
12924         mmx_punpckldq, emms, addv2sf3, subv2sf3, subrv2sf3, gtv2sf3, gev2sf3,
12925         eqv2sf3, pfmaxv2sf3, pfminv2sf3, mulv2sf3, femms, pf2id, pf2iw,
12926         pfacc, pfnacc, pfpnacc, pi2fw, floatv2si2, pfrcpv2sf2, pfrcpit1v2sf3,
12927         pfrcpit2v2sf3, pfrsqrtv2sf2, pfrsqit1v2sf3, pmulhrwv4hi3, pswapdv2si2,
12928         pswapdv2sf2): Move to mmx.md; rename as necessary with leading
12929         mmx_ prefix.
12930         (mmx_clrdi, pavgusb): Remove.
12931         (ldmxcsr, stmxcsr, sfence, sfence_insn): Move to sse.md; rename
12932         with leading sse_ prefix.
12933         * config/i386/sse.md: Receive them.
12934         * config/i386/mmx.md: New file.
12935         (MMXMODE12, MMXMODE24, mmxvecsize): New.
12936         (subrv2sf3): Turn into expander for normal subtraction.
12937         (mmx_addv2sf3, mmx_mulv2sf3, mmx_smaxv2sf3, mmx_sminv2sf3,
12938         mmx_eqv2sf3, mmx_mulv4hi3, mmx_smulv4hi3_highpart,
12939         mmx_umulv4hi3_highpart, mmx_pmaddwd, mmx_pmulhrwv4hi3, sse2_umulsidi3,
12940         mmx_umaxv8qi3, mmx_smaxv4hi3, mmx_uminv8qi3, mmx_sminv4hi3): Mark
12941         commutative; use ix86_binary_operator_ok.
12942         (mmx_add<MMXMODEI>3, mmx_ssadd<MMXMODE12>3, mmx_usadd<MMXMODE12>3,
12943         mmx_sub<MMXMODEI>3, mmx_sssub<MMXMODE12>3, mmx_ussub<MMXMODE12>3
12944         mmx_ashr<MMXMODE24>3, mmx_lshr<MMXMODE23>3, mmx_ashl<MMXMODE24>3
12945         mmx_eq<MMXMODEI>3, mmx_gt<MMXMODEI>3, mmx_and<MMXMODEI>3,
12946         mmx_nand<MMXMODEI>3, mmx_ior<MMXMODEI>3, mmx_xor<MMXMODEI>3):
12947         Macroize from existing patterns; use ix86_binary_operator_ok.
12948         (mmx_packsswb, mmx_packssdw, mmx_packuswb): Add memory alternative.
12949         (mmx_punpckhbw, mmx_punpcklbw, mmx_punpckhwd, mmx_punpcklwd,
12950         mmx_punpckhdq, mmx_punpckhdq, mmx_punpckldq): Likewise.  Model
12951         with vec_select+vec_concat.
12952         (mmx_pshufw, mmx_pshufw_1): Likewise.
12953         (mmx_uavgv8qi3): Merge pavgusb.  Model correcty.
12954         (mmx_uavgv4hi3): Model correctly.
12955         * config/i386/mmintrin.h (_mm_and_si64, _mm_andnot_si64, _mm_or_si64,
12956         _mm_xor_si64): Remove casts.
12957
12958 2005-01-09  Zdenek Dvorak  <dvorakz@suse.cz>
12959
12960         PR tree-optimization/19224
12961         * tree-scalar-evolution.c (get_instantiated_value,
12962         set_instantiated_value): New functions.
12963         (instantiate_parameters_1): Cache the results.
12964         (instantiate_parameters, resolve_mixers): Initialize and free
12965         the cache.
12966
12967 2005-01-08  David Edelsohn  <edelsohn@gnu.org>
12968
12969         * config/i386/i386.md (addhi_4): Correct reference in comment.
12970         (addqi_4): Same.
12971
12972 2005-01-08  Richard Henderson  <rth@redhat.com>
12973
12974         * config/i386/emmintrin.h (_mm_cvtsi128_si32): Move earlier.
12975         (_mm_cvtsi128_si64x): Likewise.
12976         (_mm_srl_epi64, _mm_srl_epi32, _mm_srl_epi16, _mm_sra_epi32,
12977         _mm_sra_epi16, _mm_sll_epi64, _mm_sll_epi32, _mm_sll_epi16): Use
12978         the _mm_{srl,sll}i_foo counterpart, and _mm_cvtsi128_si32.
12979         * config/i386/i386-modes.def: Add V16HI, V32QI, V4DF, V8SF.
12980         * config/i386/i386-protos.h: Update.
12981         * config/i386/i386.c (print_operand): Add 'H'.
12982         (ix86_fixup_binary_operands): Split out from ...
12983         (ix86_expand_binary_operator): ... here.
12984         (ix86_fixup_binary_operands_no_copy): New.
12985         (ix86_expand_fp_absneg_operator): Handle vector mode results.
12986         (bdesc_2arg): Update names for sse{,2,3}_ prefixes.
12987         (ix86_init_mmx_sse_builtins): Remove *maskncmp* special cases.
12988         (safe_vector_operand): Use CONST0_RTX.
12989         (ix86_expand_binop_builtin): Use ix86_fixup_binary_operands.
12990         (ix86_expand_builtin): Merge CODE_FOR_sse2_maskmovdqu_rex64 and
12991         CODE_FOR_sse2_maskmovdqu.  Special case SSE version of MASKMOVDQU
12992         expansion.  Update names for sse{,2,3}_ prefixes.  Remove *maskncmp*
12993         special cases.
12994         * config/i386/i386.h (IX86_BUILTIN_CMPNGTSS): New.
12995         (IX86_BUILTIN_CMPNGESS): New.
12996         * config/i386/i386.md (UNSPEC_FIX_NOTRUNC): New.
12997         (attr type): Add sselog1.
12998         (attr unit, attr memory): Handle it.
12999         (movti, movti_internal, movti_rex64): Move near other integer moves.
13000         (movtf, movtf_internal): Move near other fp moves.
13001         (SSEMODE, SSEMODEI, vec_setv2df, vec_extractv2df, vec_initv2df,
13002         vec_setv4sf, vec_extractv4sf, vec_initv4sf, movv4sf, movv4sf_internal,
13003         movv2df, movv2df_internal, mov<SSEMODEI>, mov<SSEMODEI>_internal,
13004         movmisalign<SSEMODE>, sse_movups_1, sse_movmskps, sse_movntv4sf,
13005         sse_movhlps, sse_movlhps, sse_storehps, sse_loadhps, sse_storelps,
13006         sse_loadlps, sse_loadss, sse_loadss_1, sse_movss, sse_storess,
13007         sse_shufps, addv4sf3, vmaddv4sf3, subv4sf3, vmsubv4sf3, negv4sf2,
13008         mulv4sf3, vmmulv4sf3, divv4sf3, vmdivv4sf3, rcpv4sf2, vmrcpv4sf2,
13009         rsqrtv4sf2, vmrsqrtv4sf2, sqrtv4sf2, vmsqrtv4sf2, sse_andv4sf3,
13010         sse_nandv4sf3, sse_iorv4sf3, sse_xorv4sf3, sse2_andv2df3,
13011         sse2_nandv2df3, sse2_iorv2df3, sse2_xorv2df3, sse2_andv2di3,
13012         sse2_nandv2di3, sse2_iorv2di3, sse2_xorv2di3, maskcmpv4sf3,
13013         vmmaskcmpv4sf3, sse_comi, sse_ucomi, sse_unpckhps, sse_unpcklps,
13014         smaxv4sf3, vmsmaxv4sf3, sminv4sf3, vmsminv4sf3, cvtpi2ps, cvtps2pi,
13015         cvttps2pi, cvtsi2ss, cvtsi2ssq, cvtss2si, cvtss2siq, cvttss2si,
13016         cvttss2siq, addv2df3, vmaddv2df3, subv2df3, vmsubv2df3, mulv2df3,
13017         vmmulv2df3, divv2df3, vmdivv2df3, smaxv2df3, vmsmaxv2df3, sminv2df3,
13018         vmsminv2df3, sqrtv2df2, vmsqrtv2df2, maskcmpv2df3, vmmaskcmpv2df3,
13019         sse2_comi, sse2_ucomi, sse2_movmskpd, sse2_pmovmskb, sse2_maskmovdqu,
13020         sse2_maskmovdqu_rex64, sse2_movntv2df, sse2_movntv2di, sse2_movntsi,
13021         cvtdq2ps, cvtps2dq, cvttps2dq, cvtdq2pd, cvtpd2dq, cvttpd2dq,
13022         cvtpd2pi, cvttpd2pi, cvtpi2pd, cvtsd2si, cvtsd2siq, cvttsd2si,
13023         cvttsd2siq, cvtsi2sd, cvtsi2sdq, cvtsd2ss, cvtss2sd, cvtpd2ps,
13024         cvtps2pd, addv16qi3, addv8hi3, addv4si3, addv2di3, ssaddv16qi3,
13025         ssaddv8hi3, usaddv16qi3, usaddv8hi3, subv16qi3, subv8hi3, subv4si3,
13026         subv2di3, sssubv16qi3, sssubv8hi3, ussubv16qi3, ussubv8hi3, mulv8hi3,
13027         smulv8hi3_highpart, umulv8hi3_highpart, sse2_umulsidi3,
13028         sse2_umulv2siv2di3, sse2_pmaddwd, sse2_uavgv16qi3, sse2_uavgv8hi3,
13029         sse2_psadbw, sse2_pinsrw, sse2_pextrw, sse2_pshufd, sse2_pshuflw,
13030         sse2_pshufhw, eqv16qi3, eqv8hi3, eqv4si3, gtv16qi3, gtv8hi3,
13031         gtv4si3, umaxv16qi3, smaxv8hi3, uminv16qi3, sminv8hi3, ashrv8hi3,
13032         ashrv4si3, lshrv8hi3, lshrv4si3, lshrv2di3, ashlv8hi3, ashlv4si3,
13033         ashlv2di3, sse2_ashlti3, sse2_lshrti3, sse2_unpckhpd, sse2_unpcklpd,
13034         sse2_packsswb, sse2_packssdw, sse2_packuswb, sse2_punpckhbw,
13035         sse2_punpckhwd, sse2_punpckhdq, sse2_punpcklbw, sse2_punpcklwd,
13036         sse2_punpckldq, sse2_punpcklqdq, sse2_punpckhqdq, sse2_movupd,
13037         sse2_movdqu, sse2_movdq2q, sse2_movdq2q_rex64, sse2_movq2dq,
13038         sse2_movq2dq_rex64, sse2_loadd, sse2_stored, sse2_storehpd,
13039         sse2_loadhpd, sse2_storelpd, sse2_loadlpd, sse2_movsd, sse2_loadsd,
13040         sse2_loadsd_1, sse2_storesd, sse2_shufpd, sse2_clflush, sse2_mfence,
13041         mfence_insn, sse2_lfence, lfence_insn, mwait, monitor, addsubv4sf3,
13042         addsubv2df3, haddv4sf3, haddv2df3, hsubv4sf3, hsubv2df3, movshdup,
13043         movsldup, lddqu, loadddup, movddup): Move to sse.md.  Any with
13044         non-optabs meanings renamed with an "sse{,2,3}_" prefix at the
13045         same time.
13046         (SSEPUSH, push<SSEPUSH>): Remove.
13047         (MMXPUSH, push<MMXPUSH>): Remove.
13048         (sse_movaps, sse_movaps_1, sse_movups): Remove.
13049         (sse2_movapd, sse2_movdqa, sse2_movq): Remove.
13050         (sse2_andti3, sse2_nandti3, sse2_iorti3, sse2_xorti3): Remove.
13051         (sse_clrv4sf, sse_clrv2df, sse2_clrti): Remove.
13052         (maskncmpv4sf3, vmmaskncmpv4sf3): Remove.
13053         (maskncmpv2df3, vmmaskncmpv2df3): Remove.
13054         (ashrv8hi3_ti, ashrv4si3_ti, lshrv8hi3_ti, lshrv4si3_ti): Remove.
13055         (lshrv2di3_ti, ashlv8hi3_ti, ashlv4si3_ti, ashlv2di3_ti): Remove.
13056         * config/i386/athlon.md (athlon_sselog_load): Handle sselog1.
13057         (athlon_sselog_load_k8, athlon_sselog, athlon_sselog_k8): Likewise.
13058         * config/i386/ppro.md (ppro_sse_div_V4SF_load): Fix memory attr.
13059         (ppro_sse_log_V4SF_load): Similarly.  Handle sselog1.
13060         (ppro_sse_log_V4SF): Handle sselog1.
13061         * config/i386/predicates.md (const_0_to_1_operand): New.
13062         (const_0_to_255_mul_8_operand): New.
13063         (const_1_to_31_operand): Rename from const_int_1_31_operand.
13064         (const_2_to_3_operand, const_4_to_7_operand): New.
13065         * config/i386/sse.md: New file.
13066         (SSEMODE12, SSEMODE24, SSEMODE124, SSEMODE248, ssevecsize): New.
13067         (sse_movups): Rename from sse_movups_1.
13068         (sse_loadlss): Rename from sse_loadss_1.
13069         (andv4sf3, iorv4sf3, xorv4sf3, andv2df3): Remove the sse prefix
13070         from the name.
13071         (negv4sf2): Use ix86_expand_fp_absneg_operator.
13072         (absv4sf2, negv2df, absv2df): New.
13073         (addv4sf3): Add expander to call ix86_fixup_binary_operands_no_copy.
13074         (subv4sf3, mulv4sf3, divv4sf3, smaxv4sf3, sminv4sf3, andv4sf3,
13075         iorv4sf3, xorv4sf3, addv2df3, subv2df3, mulv2df3, divv2df3,
13076         smaxv2df3, sminv2df3, andv2df3, iorv2df3, xorv2df3, mulv8hi3,
13077         umaxv16qi3, smaxv8hi3, uminv16qi3, sminv8hi3): Likewise.
13078         (sse3_addsubv4sf3): Model correctly.
13079         sse3_haddv4sf3, sse3_hsubv4sf3, sse3_addsubv2df3, sse3_haddv2df3,
13080         sse3_hsubv2df3, sse2_ashlti3, sse2_lshrti3): Likewise.
13081         (sse_movhlps): Model with vec_select+vec_concat.
13082         (sse_movlhps, sse_unpckhps, sse_unpcklps, sse3_movshdup,
13083         sse3_movsldup, sse_shufps, sse_shufps_1, sse2_unpckhpd, sse3_movddup,
13084         sse2_unpcklpd, sse2_shufpd, sse2_shufpd_1, sse2_punpckhbw,
13085         sse2_punpcklbw, sse2_punpckhwd, sse2_punpcklwd, sse2_punpckhdq,
13086         sse2_punpckldq, sse2_punpckhqdq, sse2_punpcklqdq, sse2_pshufd,
13087         sse2_pshufd_1, sse2_pshuflw, sse2_pshuflw_1, sse2_pshufhw,
13088         sse2_pshufhw_1): Likewise.
13089         (neg<SSEMODEI>2, one_cmpl<SSEMODEI>2): New.
13090         (add<SSEMODEI>3, sse2_ssadd<SSEMODE12>3, sse2_usadd<SSEMODE12>3,
13091         sub<SSEMODEI>3, sse2_sssub<SSEMODE12>3, sse2_ussub<SSEMODE12>3,
13092         ashr<SSEMODE24>3, lshr<SSEMODE248>3, sse2_eq<SSEMODE124>3,
13093         sse2_gt<SSEMODDE124>3, and<SSEMODEI>3, sse_nand<SSEMODEI>3,
13094         ior<SSEMODEI>3, xor<SSEMODEI>3): Macroize from existing patterns.
13095         (addv4sf3, sse_vmaddv4sf3, mulv4sf3, sse_vmmulv4sf3, smaxv4sf3,
13096         sse_vmsmaxv4sf3, sminv4sf3, sse_vmsminv4sf3, addv2df3, sse2_vmaddv2df3,
13097         mulv2df3, sse2_vmmulv2df3, smaxv2df3, sse2_vmsmaxv2df3, sminv2df3,
13098         sse2_vmsminv2df3, umaxv16qi3, smaxv8hi3, uminv16qi3
13099         sminv8hi3): Mark commutative
13100         operands.  Use ix86_binary_operator_ok.
13101         (sse_unpckhps, sse_unpcklps, sse2_packsswb, sse2_packssdw,
13102         sse2_packuswb, sse2_punpckhbw, sse2_punpcklbw, sse2_punpckhwd,
13103         sse2_punpcklwd, sse2_punpckhdq, sse2_punpckldq, sse2_punpckhqdq,
13104         sse2_punpcklqdq): Allow operand2 in memory.
13105         (sse_movhlps, sse_movlhps, sse2_unpckhpd, sse2_unpcklpd
13106         sse2_movsd): Add memory alternatives.
13107         (sse_storelps): Turn expander into an insn; split after reload.
13108         (sse_storess, sse2_loadhpd, sse2_loadlpd): Add non-xmm inputs.
13109         (sse2_storehpd, sse2_storelpd): Add non-xmm outputs.
13110
13111 2005-01-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
13112
13113         * configure.ac (DWARF-2 debug_line): Use objdump.
13114         * configure: Regenerate.
13115
13116 2005-01-08  Jeff Law  <law@redhat.com>
13117             Diego Novillo  <dnovillo@redhat.com>
13118
13119         PR tree-optimization/18241
13120         * tree-nrv.c (tree_nrv): Ignore volatile return values.
13121         * tree-ssa-dse.c (dse_optimize_stmt): Do not optimize
13122         statements with volatile operands.
13123         * tree-ssa-operands.c (add_stmt_operand): Do add volatile
13124         operands after marking a statement with has_volatile_ops.
13125
13126 2005-01-08  Roger Sayle  <roger@eyesopen.com>
13127
13128         * tree.c (int_fits_type_p): Always honor integer constant
13129         TYPE_MIN_VALUE and TYPE_MAX_VALUE if they exist.
13130
13131 2005-01-08  Roger Sayle  <roger@eyesopen.com>
13132
13133         * ifcvt.c (find_if_case_1): Reinstate 2005-01-04 change, now that
13134         the latent bug in rtl_delete_block has been resolved.
13135
13136 2005-01-08  Richard Sandiford  <rsandifo@redhat.com>
13137
13138         * config/mips/t-iris6 (MULTILIB_DIRNAMES): Use -mabi argument values.
13139         (MULTILIB_OSDIRNAMES): Use the standard lib, lib32 and lib64.
13140
13141 2005-01-08  Richard Sandiford  <rsandifo@redhat.com>
13142
13143         * config/mips/t-slibgcc-irix (SHLIB_LINK): Install a copy of the
13144         library as @multilib_dir@/$(SHLIB_SONAME).
13145
13146 2005-01-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
13147
13148         * configure.ac (HAVE_AS_OFFSETABLE_LO10): Fix typo.
13149         * configure: Regenerate.
13150
13151 2005-01-07  Jakub Jelinek  <jakub@redhat.com>
13152
13153         * c-common.c (handle_mode_attribute): For ENUMERAL_TYPE, also copy
13154         TYPE_MODE.
13155
13156 2005-01-07  David Edelsohn  <edelsohn@gnu.org>
13157
13158         PR target/13674
13159         * config/rs6000/rs6000.c (rs6000_legitimize_reload_address):
13160         Convert non-word aligned offset address using ld/std into
13161         indirect address.
13162
13163 2005-01-07  Richard Henderson  <rth@redhat.com>
13164
13165         * config/i386/i386.md (sse_loadhps splitter): Fix operand number typo.
13166
13167 2005-01-07  Richard SAndiford  <rsandifo@redhat.com>
13168
13169         * tree.h (IS_EXPR_CODE_CLASS): Use a straight-forward range check.
13170
13171 2005-01-07  Jakub Jelinek  <jakub@redhat.com>
13172
13173         PR tree-optimization/19283
13174         * fold-const.c (fold_widened_comparison): Return NULL if shorter_type
13175         is not shorter than the original type.
13176
13177         PR rtl-optimization/19012
13178         * config/i386/i386.md (addqi_1_slp): Set memory attribute.
13179
13180         PR rtl-optimization/18861
13181         * cfgbuild.c (BLOCK_USED_BY_TABLEJUMP): Define.
13182         (FULL_STATE): Define.
13183         (mark_tablejump_edge): New function.
13184         (purge_dead_tablejump_edges): New function.
13185         (find_bb_boundaries): Use it.
13186
13187         PR tree-optimization/18828
13188         * builtins.c (expand_builtin_next_arg): Remove argument and all
13189         the argument checking.
13190         (expand_builtin): Adjust caller.
13191         (expand_builtin_va_start): Likewise.  Remove error for too many
13192         arguments.
13193         (fold_builtin_next_arg): Issue error for too many arguments.
13194         After checking arguments, replace them with magic arguments that
13195         prevent further checking of the args.
13196
13197 2005-01-06  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
13198
13199         * pa64-hpux.h (STARTFILE_SPEC): Fix typo in spec.
13200
13201 2005-01-06  Roger Sayle  <roger@eyesopen.com>
13202
13203         PR target/6077
13204         * gcc.c (input_suffix_matches): Tweak the semantics of %{.s:...}
13205         and %{.S:...} (and their negative variants) to test whether the
13206         input file is assembler or pre-processed-assembler independent of
13207         the actual filename extension.
13208
13209 2005-01-06  Roger Sayle  <roger@eyesopen.com>
13210
13211         * simplify-rtx.c (simplify_subreg): Simplify truncations of shifts
13212         of sign or zero extended values.
13213
13214 2005-01-06  Geoffrey Keating  <geoffk@apple.com>
13215
13216         * c-cppbuiltin.c (builtin_define_float_constants): Set __*_EPSILON__
13217         for IBM long double format correctly.
13218
13219 2005-01-06  Daniel Berlin <dberlin@dberlin.org>
13220
13221         Fix PR tree-optimization/18792
13222
13223         * tree-data-ref.c (build_classic_dist_vector): Change first_loop
13224         to first_loop_depth, and use loop depth instead of loop number.
13225         (build_classic_dir_vector): Ditto.
13226         (compute_data_dependences_for_loop): Use depth, not loop number.
13227         * tree-loop-linear.c (try_interchange_loops): Use loop depth, not loop
13228         number. Pass in loops, instead of loop numbers.
13229         (gather_interchange_stats): Ditto.
13230         (linear_transform_loops): Ditto.
13231
13232 2005-01-06  Richard Sandiford  <rsandifo@redhat.com>
13233
13234         PR rtl-opt/13299
13235         * loop.c (get_monotonic_increment, biased_biv_fits_mode_p,
13236         biv_fits_mode_p, extension_within_bounds_p): New functions.
13237         (check_ext_dependent_givs): Use them.
13238
13239 2005-01-06  Roger Sayle  <roger@eyesopen.com>
13240
13241         * cfgrtl.c (rtl_delete_block): A basic block may be followed by
13242         more than one barrier, in which case we should delete them all.
13243
13244 2005-01-06  Tobias Schlueter  <tobias.schlueter@physik.uni-muenchen.de>
13245
13246         * gcc.c (process_command): Change year in 'gcc --version' to 2005.
13247
13248 2005-01-05  Daniel Berlin  <dberlin@dberlin.org>
13249
13250         Fix PR middle-end/19286
13251         Fix PR debug/19267
13252         * dwarf2out.c (gen_subprogram_die): If we've already tried to
13253         output this subprogram, simply ignore this attempt to do it again.
13254         (add_abstract_origin_attribute): Don't abort trying to add the abstract
13255         origin attribute if it's not possible.
13256         (gen_block_die): Don't ignore subblocks of "unused" blocks.
13257         (decls_for_scope): Ditto.
13258         * gimple-low.c (mark_blocks_with_used_subblocks): Remove.
13259         (mark_used_blocks): Don't call mark_blocks_with_used_subblocks.
13260
13261 2005-01-05  Richard Henderson  <rth@redhat.com>
13262
13263         PR target/11327
13264         * config/i386/i386.c (BUILTIN_DESC_SWAP_OPERANDS): New.
13265         (bdesc_2arg): Use it.
13266         (ix86_expand_binop_builtin): Force operands into registers
13267         when optimizing.
13268         (ix86_expand_unop_builtin, ix86_expand_unop1_builtin,
13269         ix86_expand_sse_compare, ix86_expand_sse_comi,
13270         ix86_expand_builtin): Likewise.
13271
13272 2005-01-05  Richard Henderson  <rth@redhat.com>
13273
13274         * config/ia64/ia64.c (rtx_needs_barrier): Handle CONST_VECTOR
13275         and VEC_SELECT.
13276         * config/ia64/vect.md (mulv8qi3): Re-implement with mix_[rl].
13277         (mulv4hi3): Set itanium_class mmmul.
13278         (fpack_sfxf, fpack_xfsf, fpack_xfxf): Remove.
13279         (fpack): Rename from fpack_sfsf.
13280
13281 2005-01-05  Richard Henderson  <rth@redhat.com>
13282
13283         PR rtl-opt/10692
13284         * reload1.c (do_input_reload): Restrict the optimization deleteing
13285         a previous output reload to RELOAD_FOR_INPUT.
13286
13287 2005-01-05  Steven Bosscher  <stevenb@suse.de>
13288
13289         * combine.c (expand_compound_operation)  <ZERO_EXTRACT>: Add
13290         comment that we fall through after case.
13291         (mark_used_regs_combine): Don't expect a SIGN_EXTRACT in a SET_DEST.
13292         (distribute_links): Likewise.
13293         * cse.c (cse_insn): Likewise.
13294         * cselib.c (cselib_invalidate_mem): Likewise.
13295         * df.c: Update comments at the top of the file.
13296         (read_modify_subreg_p): Update comments here too.
13297         (df_def_record_1): Don't expect a SIGN_EXTRACT in a SET_DEST.
13298         * flow.c (mark_set_1): Likewise.
13299         (mark_used_regs): Likewise.
13300         * gcse.c (mems_conflict_for_gcse_p): Likewise.
13301         (canon_list_insert): Likewise.
13302         (mark_set): Likewise.
13303         (try_replace_reg): Likewise.
13304         (store_killed_in_insn): Likewise.
13305         * loop.c (count_one_set): Likewise.
13306         (basic_induction_var): Likewise.
13307         * postreload-gcse.c (find_mem_conflicts): Likewise.
13308         * postreload.c (reload_combine_note_store): Likewise.
13309         (move2add_note_store): Likewise.
13310         * reload.c (find_equiv_reg): Likewise.
13311         (mark_referenced_resources): Likewise.
13312         * rtlanal.c (set_noop_p): Likewise.
13313         (note_stores): Likewise.
13314         (note_uses): Likewise.
13315         * sched-deps.c (sched_analyze_1): Likewise.
13316         * sched-rgn.c (check_live_1): Likewise.
13317         (update_live_1): Likewise.
13318         * config/i860/i860.c: Likewise.
13319
13320         * rtl.dec (SIGN_EXTRACT): Document that this cannot appear as
13321         an lvalue.
13322         (ZERO_EXTRACT): Mention that this one can be an lvalue.
13323
13324         * doc/rtl.texi: Update documentation for bit-fields and SET.
13325
13326 2005-01-05  Roger Sayle  <roger@eyesopen.com>
13327
13328         * ifcvt.c (find_if_case_1): Revert 2005-01-04 change.
13329
13330 2005-01-05  Jan Hubicka  <jh@suse.cz>
13331             Richard Henderson  <rth@redhat.com>
13332
13333         PR target/18910
13334         * config/i386/i386.c (ix86_expand_move): Handle tls symbols
13335         with an offset.
13336
13337 2005-01-05  Richard Henderson  <rth@redhat.com>
13338
13339         PR target/12902
13340         * config/i386/i386.md (sse_movhps, sse_movlps): Remove.
13341         (sse_shufps): Change operand 3 to const_int_operand.
13342         (sse2_storelps): Fix typo in template.
13343         (sse_storehps, sse_loadhps, sse_storelps, sse_loadlps): New.
13344         * config/i386/i386.c (ix86_expand_vector_move_misalign): Use them.
13345         (ix86_expand_builtin): Likewise.
13346
13347 2005-01-05  Julian Brown  <julian@codesourcery.com>
13348
13349         * config/arm/arm.c (arm_return_in_memory): Treat complex types
13350         as aggregates for AAPCS ABIs.
13351
13352 2005-01-05  Stan Shebs  <shebs@apple.com>
13353
13354         * unwind-dw2-fde-darwin.c (examine_objects): Use 64-bit
13355         Mach-O getters if ppc64.
13356         * config/darwin.c (darwin_asm_output_dwarf_delta): Obey
13357         size argument.
13358         * config/darwin.h (ASM_PREFERRED_EH_DATA_FORMAT): Use
13359         signed four-byte field for global code case.
13360         (STARTFILE_SPEC): Avoid crt2.o for 64-bit compilation.
13361
13362 2005-01-05  Roger Sayle  <roger@eyesopen.com>
13363
13364         PR middle-end/19100
13365         * c-common.c: Include real.h.
13366         (c_common_truthvalue_conversion): Avoid destructively modifying expr.
13367         Correctly handle TREE_CONSTANT_OVERFLOW for INTEGER_CST.
13368         Correctly handle TREE_CONSTANT_OVERFLOW and NaNs for REAL_CST.
13369         * Makefile.in (c-common.o): Update dependencies.
13370
13371 2005-01-05  Joseph S. Myers  <joseph@codesourcery.com>
13372
13373         * c-parse.in (asm_string): Add trailing semicolon.
13374
13375 2005-01-05  Joseph S. Myers  <joseph@codesourcery.com>
13376
13377         * c-parse.in (asm_string): New.  Don't allow wide strings in
13378         'asm'.
13379         (simple_asm_expr, asm_argument, asm_operand, asm_clobbers): Use
13380         asm_string instead of STRING.
13381
13382 2005-01-05  Joseph S. Myers  <joseph@codesourcery.com>
13383
13384         * c-typeck.c (constructor_no_implicit): Remove.
13385         (set_designator, process_init_element): Don't check
13386         constructor_no_implicit.
13387
13388 2005-01-05  J"orn Rennecke <joern.rennecke@st.com>
13389             Kaz Kojima  <kkojima@gcc.gnu.org>
13390
13391         PR target/16482
13392         * lcm.c (create_pre_exit): New.
13393         (optimize_mode_switching): In MODE_ENTRY / MODE_EXIT case, set
13394         ENTRY_EXIT_EXTRA to 3.  Use create_pre_exit.
13395
13396 2004-01-05  Richard Earnshaw  <rearnsha@arm.com>
13397
13398         * arm.h (TARGET_OPTIONS): Correctly record -mhard-float and
13399         -msoft-float in target_float_switch.
13400         * arm.c (arm_override_options): Fix processing of target_float_switch.
13401
13402 2004-01-05  Richard Earnshaw  <rearnsha@arm.com>
13403
13404         * arm/vfp.md (arm_movsi_vfp): Hide VFP register classes from register
13405         preferencing.
13406
13407 2004-01-05  Uros Bizjak  <uros@kss-loka.si>
13408
13409         * doc/invoke.texi (Intel 386 and AMD x86-64 Options):
13410         Replace i387 with 'i386 compiler' in -mfpmath=sse option.
13411
13412 2005-01-04  Roger Sayle  <roger@eyesopen.com>
13413
13414         * ifcvt.c (find_if_case_1): Avoid creating an empty forwarder block,
13415         if deleting the then-block allows the test-block to fallthru to the
13416         else-block.
13417
13418 2005-01-04  Andrew Pinski  <pinskia@physics.uc.edu>
13419
13420         PR c/19152
13421         * c-decl.c (diagnose_mismatched_decls): Accept "extern inline" declared
13422         after the full declaration if the are in two different TUs.
13423
13424 2005-01-04  Richard Henderson  <rth@redhat.com>
13425
13426         PR tree-opt/19158
13427         * tree-sra.c (generate_one_element_init): Just
13428         call gimplify_and_add.
13429         (generate_element_init): Record the
13430         new referenced variables and mark them for renaming
13431         and split out to ...
13432         (generate_element_init_1): This.
13433         (scalarize_init): Don't call push_gimplify_context/
13434         pop_gimplify_context.
13435
13436 2005-01-04  Geoffrey Keating  <geoffk@apple.com>
13437
13438         * toplev.c (get_src_pwd): Handle failure of getpwd().
13439
13440 2005-01-04  Roger Sayle  <roger@eyesopen.com>
13441
13442         * fold-const.c (fold_single_bit_test): Delete unreachable handling
13443         of TRUTH_NOT_EXPR.
13444         (fold): Don't call fold_single_bit_test with a TRUTH_NOT_EXPR, as
13445         all the cases handled by it are inverted by invert_truthvalue.
13446
13447 2005-01-04  Eric Botcazou  <ebotcazou@libertysurf.fr>
13448
13449         * config/sparc/sparc.md (save_register_windowdi): Add missing mode.
13450         (save_register_windowsi): Likewise.
13451
13452 2005-01-04  Richard Henderson  <rth@redhat.com>
13453
13454         * tree-mudflap.c (mf_varname_tree): Fix thinko setting declname.
13455
13456 2005-01-04  Uros Bizjak  <uros@kss-loka.si>
13457
13458         PR middle-end/17767
13459         * cse.c (fold_rtx) [RTX_COMPARE, RTX_COMM_COMPARE]: Don't attempt
13460         any simplifications of vector mode comparison operators.
13461         * simplify-rtx.c (simplify_relational_operation): Fix variable name.
13462
13463 2005-01-04  Paolo Bonzini  <bonzini@gnu.org>
13464             Devang Patel  <dpatel@apple.com>
13465
13466         PR tree-optimization/18308
13467         * tree-if-conv.c (add_to_dst_predicate_list): Gimplify
13468         the operands before creating a new expression.
13469         * dojump.c (do_jump): Make drop_through_label available
13470         for all cases.  Add expansion of COND_EXPR.
13471
13472 2005-01-04  Ira Rosen  <irar@il.ibm.com>
13473
13474         * tree-vectorizer.c (vect_analyze_offset_expr): Test for
13475         INTEGER_CST instead of TREE_CONSTANT.
13476         (vect_gen_niters_for_prolog_loop): Test for INTEGER_CST
13477         instead of TREE_CONSTANT.
13478         (vect_analyze_pointer_ref_access): Test for INTEGER_CST
13479         instead of TREE_CONSTANT.
13480
13481 2005-01-04  Eric Botcazou  <ebotcazou@libertysurf.fr>
13482
13483         * tree-eh.c (replace_goto_queue): Return early if the queue is empty.
13484
13485 2005-01-04  Uros Bizjak  <uros@kss-loka.si>
13486
13487         PR target/19240
13488         * config/i386/i386.md (*fop_df_1_i387): Disable for TARGET_SSE_MATH.
13489         (*fop_df_1_i387): Disable for (TARGET_SSE2 && TARGET_SSE_MATH).
13490
13491 2005-01-03  Richard Henderson  <rth@redhat.com>
13492
13493         * fold-const.c (force_fit_type): Cope with types larger than 2 HWI.
13494         (fold_convert_const_int_from_int, fold_convert_const_int_from_real,
13495         fold_convert_const_real_from_real): Split out from ...
13496         (fold_convert_const): ... here.
13497
13498 2005-01-03  Richard Henderson  <rth@redhat.com>
13499
13500         PR target/19235
13501         * config/i386/i386.md (movdi_2): Separate SSE1 and SSE2 alternatives.
13502         (mov<MMXMODEI>_internal): Likewise.
13503         (movdf_nointeger): Prefer Y while not preferring, but allowing, x.
13504         Add V2SF case; use it for SSE1; don't use TI.
13505         (movdf_integer): Likewise.
13506         (mov<SSEMODEI>_internal, movti_internal): Force V4SF for SSE1.
13507
13508 2005-01-03  Ira Rosen  <irar@il.ibm.com>
13509
13510         * tree-vectorizer.c (vect_strip_conversions): New function.
13511         (vect_analyze_offset_expr): Call vect_strip_conversions. Add
13512         check for binary class.
13513
13514 2005-01-03  Daniel Berlin  <dberlin@dberlin.org>
13515
13516         Fix PR debug/17924
13517         Fix PR debug/19191
13518         * dwarf2out.c (block_ultimate_origin): Follow decl origin if origin
13519         is a decl.
13520         * gimple-low.c (mark_blocks_with_used_vars): New function.
13521         (mark_blocks_with_used_subblocks): Ditto.
13522         (mark_used_blocks): Ditto.
13523         (pass_mark_used_blocks): New pass.
13524         * tree-inline.c: Include debug.h.
13525         (expand_call_inline): Call outlining_inline_function here.
13526         * tree-optimize.c (init_tree_optimization_passes): Add
13527         pass_mark_used_blocks.
13528         * tree-pass.h (pass_mark_used_blocks): New.
13529         * Makefile.in (tree-inline.o): Add debug.h dependency.
13530
13531 2005-01-03  Geoffrey Keating  <geoffk@apple.com>
13532
13533         * config/darwin.c (darwin_handle_weak_import_attribute): Permit
13534         VAR_DECLs to have weak_import attribute.
13535
13536         * config/rs6000/darwin-fallback.c: Use 'ucontext_t' rather than
13537         'struct ucontext'.
13538
13539 2004-01-03  Steven Bosscher  <stevenb@suse.de>
13540
13541         * passes.c (rest_of_compilation): Don't run regmove if only
13542         flag_expensive_optimizations, require flag_regmove instead.
13543
13544 2005-01-03  Eric Botcazou  <ebotcazou@libertysurf.fr>
13545
13546         * config/sparc/litecoff.h (TARGET_OS_CPP_BUILTINS): Do not
13547         register "sparc".
13548         * config/sparc/sysv4-only.h (TARGET_OS_CPP_BUILTINS): Likewise.
13549         * config/sparc/rtemself.h (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
13550         * config/sparc/sol2-64.h (TARGET_SUB_OS_CPP_BUILTINS): Delete.
13551         * config/sparc/sp64-elf.h (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
13552
13553 2005-01-03  Richard Henderson  <rth@redhat.com>
13554
13555         * config/ia64/ia64.c (TARGET_VECTOR_MODE_SUPPORTED_P): New.
13556         (ia64_const_ok_for_letter_p): New.
13557         (ia64_const_double_ok_for_letter_p): New.
13558         (ia64_extra_constraint): New.
13559         (ia64_expand_vecint_compare): New.
13560         (ia64_expand_vcondu_v2si): New.
13561         (ia64_expand_vecint_cmov): New.
13562         (ia64_expand_vecint_minmax): New.
13563         (ia64_print_operand): Add 'v'.
13564         (ia64_preferred_reload_class): New.
13565         (ia64_vector_mode_supported_p): New.
13566         * config/ia64/ia64.h (UNITS_PER_SIMD_WORD): New.
13567         (PREFERRED_RELOAD_CLASS): Move to function.
13568         (CONST_OK_FOR_LETTER_P): Move to function.
13569         (CONST_DOUBLE_OK_FOR_LETTER_P): Move to function.
13570         (CONSTRAINT_OK_FOR_Q, CONSTRAINT_OK_FOR_R): Remove.
13571         (CONSTRAINT_OK_FOR_S, CONSTRAINT_OK_FOR_T): Remove.
13572         (EXTRA_CONSTRAINT): Move to function.
13573         * config/ia64/ia64.md: Include vect.md.
13574         (itanium_class): Add mmalua.
13575         (type): Handle it.
13576         * config/ia64/itanium1.md (1_mmalua): New.  Add it to bypasses.
13577         (1b_mmalua): New.
13578         * config/ia64/itanium2.md (2_mmalua, 2b_mmalua): Similarly.
13579         * config/ia64/predicates.md (gr_reg_or_0_operand): Accept any
13580         CONST0_RTX.
13581         (const_int_2bit_operand): New.
13582         (fr_reg_or_0_operand): New.
13583         * config/ia64/ia64-modes.def: Add vector modes.
13584         * config/ia64/ia64-protos.h: Update.
13585         * config/ia64/vect.md: New file.
13586
13587 2005-01-03  Richard Henderson  <rth@redhat.com>
13588
13589         * simplify-rtx.c (simplify_binary_operation): Handle VEC_CONCAT.
13590
13591 2005-01-03  Uros Bizjak  <uros@kss-loka.si>
13592
13593         PR target/19236
13594         * config/i386/i386.c (log1psf2): Change mode of operands[0,1]
13595         to SFmode.
13596         (log1pdf2): Change mode of operands[0,1] to DFmode.
13597
13598 2005-01-03  Eric Botcazou  <ebotcazou@libertysurf.fr>
13599
13600         * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Define to false.
13601         * config/sparc/linux.h (SPARC_RELAXED_ORDERING): Define to true.
13602         * config/sparc/linux64.h (SPARC_RELAXED_ORDERING): Likewise.
13603         * config/sparc/sparc.c (TARGET_RELAXED_ORDERING): Define to
13604         SPARC_RELAXED_ORDERING.
13605
13606 2005-01-03  Richard Henderson  <rth@redhat.com>
13607             Uros Bizjak  <uros@kss-loka.si>
13608
13609         PR target/14631
13610         * config/i386/i386.c (ix86_expand_builtin): [IX86_BUILTIN_PINSRW,
13611         IX86_BUILTIN_PINSRW128]: Fix wrong selector range in error message.
13612         * config/i386/i386.md (mmx_pinsrw, sse2_pinsrw): Fix selector
13613         handling.
13614         (*mmx_pinsrw, *sse2_pinsrw): New patterns.
13615         * config/i386/i386/predicates.md (const_pow2_1_to_8_operand,
13616         const_pow2_1_to_128_operand): New predicates.
13617
13618 2005-01-02  Greg McGary  <greg@mcgary.org>
13619
13620         * tree-mudflap.c (mf_varname_tree): decl_printable_name handles
13621         anonymous decls.
13622         (mf_xform_derefs_1) [RESULT_DECL, STRING_CST]: Handle as innermost
13623         object.  [ptr_type]: Remove unused variable.
13624         Remember nearest addressable array-element or record-component
13625         when checking bitfield components.  Tolerate empty BIND_EXPR.
13626
13627 2005-01-01  Richard Henderson  <rth@redhat.com>
13628
13629         * tree-vectorizer.c (vect_analyze_offset_expr): Strip conversions
13630         that don't narrow the value.  Fail for other conversions.
13631
13632 2005-01-01  Richard Henderson  <rth@redhat.com>
13633
13634         PR c/19031
13635         * c-decl.c (pop_file_scope): Call maybe_apply_pending_pragma_weaks.
13636         * c-lang.c (finish_file): Don't do it here.
13637         * objc/objc-act.c (objc_finish_file): Likewise.
13638
13639         * cgraph.c (decl_assembler_name_equal): New.
13640         (cgraph_node_for_asm, cgraph_varpool_node_for_asm): New.
13641         (cgraph_varpool_node): Actually link up cgraph_varpool_nodes.
13642         * cgraph.h (struct cgraph_varpool_node): Add next.
13643         (cgraph_node_for_asm, cgraph_varpool_node_for_asm): Declare.
13644         * varasm.c (assemble_alias): Mark the target as needed.
13645
13646 2005-01-01  Andrew Pinski  <pinskia@physics.uc.edu>
13647
13648         PR middle-end/19221
13649         * function.c (get_arg_pointer_save_area): Use entry_of_function
13650         instead of get_insns.
13651
13652 2005-01-01  Roger Sayle  <roger@eyesopen.com>
13653             Andrew Pinski  <pinskia@physics.uc.edu>
13654             James E. Wilson  <wilson@specifixinc.com>
13655
13656         PR rtl-optimization/12092
13657         * loop.c (emit_prefetch_instructions): Do nothing if PREFETCH_BLOCK
13658         is zero.
13659
13660 2005-01-01  Roger Sayle  <roger@eyesopen.com>
13661             Olivier Hainque  <hainque@act-europe.fr>
13662
13663         * tree.c (int_fits_type_p): A narrower type always fits in a
13664         wider one, except for negative values into unsigned types.
13665
13666 2005-01-01  Roger Sayle  <roger@eyesopen.com>
13667
13668         * tree.c (int_fits_type_p): Compare the result of force_fit_type
13669         with the original constant rather than require TREE_OVERFLOW.
13670
13671 2005-01-01  Steven Bosscher  <stevenb@suse.de>
13672
13673         PR middle-end/17544
13674         * c-decl.c (finish_function): If compiling C99, annotate the
13675         compiler generated return with the current file name and line 0.
13676         * tree-cfg.c (remove_useless_stmts_warn_notreached): Only warn if
13677         the source line is greater than 0.
13678         (remove_bb): Likewise.