4b9c7e7996d9563dc8783ba247bed3728f74f3f8
[gcc.git] / gcc / ChangeLog
1 2005-04-25 Ralf Corsepius <ralf.corsepius@rtems.org>
2
3 * config.gcc (avr-*-*): Remove redundant "case".
4
5 2005-04-25 Kazu Hirata <kazu@cs.umass.edu>
6
7 * tree-vect-analyze.c (vect_mark_relevant): Take
8 VEC(tree,heap) instead of varray_type as an argument.
9 (vect_mark_stmts_to_be_vectorized): Change the type of
10 worklist to VEC(tree,heap). Adjust uses of worklist.
11
12 2005-04-24 Devang Patel <dpatel@apple.com>
13
14 * config/rs6000/darwin.h (ASM_OUTPUT_MAX_SKIP_ALIGN): New.
15
16 2005-04-24 Ian Lance Taylor <ian@airs.com>
17
18 * c-semantics.c (build_stmt): Remove test of specific tree codes
19 for TREE_SIDE_EFFECTS handling.
20
21 2005-04-24 Per Bothner <per@bothner.com>
22
23 * c-opts.c (finish_options): Make the line-number of the <built-in>
24 location 0, as assumed elsewhere, rather than 1.
25
26 2005-04-24 Kazu Hirata <kazu@cs.umass.edu>
27
28 * tree-ssa-uncprop.c (equiv_stack): Change the type o
29 VEC(tree,heap).
30 (tree_ssa_uncprop, uncprop_finalize_block,
31 uncprop_initialize_block): Update uses of equiv_stack.
32
33 2005-04-24 Richard Henderson <rth@redhat.com>
34
35 PR rtl-opt/21163
36 * simplify-rtx.c (simplify_binary_operation) <IOR>: Check
37 for SCALAR_INT_MODE_P instead of not MODE_CC before returning
38 constm1_rtx.
39 <AND, LSHIFTRT, UMIN>: Use CONST0_RTX.
40 <UDIV, UMOD>: Use CONST0_RTX and CONST1_RTX.
41 <DIV, MOD>: Likewise.
42
43 2005-04-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
44
45 * collect2.c (main): Unlock the stdio streams.
46 * gcc.c (main): Likewise.
47 * gcov-dump.c (main): Likewise.
48 * gcov.c (main): Likewise.
49 * gen-protos.c (main): Likewise.
50 * gensupport.c (init_md_reader_args_cb): Likewise.
51 * protoize.c (main): Likewise.
52 * toplev.c (general_init): Likewise.
53
54 2005-04-24 Jakub Jelinek <jakub@redhat.com>
55
56 PR middle-end/20991
57 * cgraph.h (cgraph_local_info): Add vtable_method field.
58 * varasm.c (mark_decl_referenced): If cgraph_global_info_ready
59 and node is vtable_method, finalized and not reachable, don't do
60 anything.
61
62 2005-04-24 Kazu Hirata <kazu@cs.umass.edu>
63
64 * tree-ssa-copy.c (copy_prop_visit_cond_stmt): Use
65 COMPARISON_CLASS_P.
66 * tree-ssa-pre.c (create_value_expr_from): Use
67 CONSTANT_CLASS_P and REFERENCE_CLASS_P.
68 * tree-ssa-propagate.c (stmt_makes_single_load,
69 stmt_makes_single_store): Use REFERENCE_CLASS_P.
70 * tree-vect-transform.c (vect_is_simple_cond): Use
71 COMPARISON_CLASS_P.
72 * tree-vrp.c (extract_range_from_assert,
73 build_assert_expr_for, fp_predicate, has_assert_expr): Use
74 COMPARISON_CLASS_P.
75
76 * tree-ssa-live.c (build_tree_conflict_graph): Change the type
77 of tpa_to_clear to VEC(int,heap). Update uses of
78 tpa_to_clear. Free tpa_to_clear at the end.
79
80 2005-04-24 Andrew Pinski <pinskia@physics.uc.edu>
81
82 * tree.h (TREE_THIS_VOLATILE): Document the effect on a
83 function decl.
84
85 2005-04-24 Nathan Sidwell <nathan@codesourcery.com>
86
87 * config/rs6000/rs6000.c (rs6000_override_options): Use gcc_assert
88 and gcc_unreachable as appropriate.
89 (num_insns_constant, output_vec_const_move,
90 build_mask64_2_operands, rs6000_output_dwarf_dtprel,
91 rs6000_emit_set_const, rs6000_emit_move,
92 spe_build_register_parallel, function_arg,
93 rs6000_move_block_from_reg, altivec_expand_predicate_builtin,
94 spe_expand_predicate_builtin, spe_expand_evsel_builtin,
95 rs6000_expand_builtin, spe_init_builtins, altivec_init_builtins,
96 rs6000_common_init_builtins, expand_block_clear,
97 expand_block_move, validate_condition_mode, ccr_bit, extract_MB,
98 extract_ME, rs6000_get_some_local_dynamic_name,
99 rs6000_output_function_entry, print_operand,
100 print_operand_address, rs6000_generate_compare, rs6000_emit_sCOND,
101 output_cbranch, output_e500_flip_gt_bit,
102 rs6000_emit_vector_compare, rs6000_emit_vector_compare,
103 rs6000_emit_cmove, rs6000_emit_minmax, rs6000_split_multireg_move,
104 compute_save_world_info, rs6000_stack_info,
105 rs6000_emit_load_toc_table, rs6000_frame_related,
106 spe_synthesize_frame_save, rs6000_emit_epilogue,
107 rs6000_output_function_epilogue, rs6000_hash_constant, output_toc,
108 output_function_profiler, rs6000_trampoline_size,
109 rs6000_initialize_trampoline, find_addr_reg,
110 rs6000_machopic_legitimize_pic_address,
111 rs6000_initial_elimination_offset,
112 rs6000_dbx_register_number): Likewise.
113 * config/rs6000/rs6000.md (*fix_truncdfsi2_internal,
114 *movdf_hardfloat32, *movdf_softfloat32, *fix_trunctfsi2_internal,
115 *movti_power, *movti_string, call, call_value, sibcall,
116 sibcall_value): Likewise.
117 * config/rs6000/spe.md (*movdf_e500_double,
118 *movv2si_internal): Likewise.
119 * config/rs6000/rs6000.h (PREFERRED_RELOAD_CLASS): Remove 'abort'
120 from comment.
121
122 2005-04-24 Richard Henderson <rth@redhat.com>
123
124 PR target/21101
125 * config/i386/i386.h (CANNOT_CHANGE_MODE_CLASS): Move guts to ...
126 * config/i386/i386.c (ix86_cannot_change_mode_class): ... here.
127 Deny modes smaller than 4 bytes.
128 * config/i386/i386-protos.h: Update.
129
130 2005-04-24 Ralf Corsepius <ralf.corsepius@rtems.org>
131
132 * config.gcc (h8300-*-rtems*): Add h8300-*-rtemscoff*.
133 Switch h8300-*-rtems* to ELF.
134
135 2005-04-24 Kazu Hirata <kazu@cs.umass.edu>
136
137 * vec.h (VEC_safe_grow): Replace grow with safe_grow.
138
139 2005-04-23 Kazu Hirata <kazu@cs.umass.edu>
140
141 * ipa-inline.c, tree-ssa-operands.h: Fix comment typos.
142
143 2005-04-23 Richard Guenther <rguenth@gcc.gnu.org>
144
145 PR middle-end/21082
146 * fold-const.c: Fold &a[i]-&a[j] to i-j.
147
148 2005-04-23 Zdenek Dvorak <dvorakz@suse.cz>
149
150 * tree-ssa-loop-niter.c (tree_simplify_using_condition): Expand simple
151 definitions of ssa names in condition. Split recusive part to ...
152 (tree_simplify_using_condition_1): New function.
153 (expand_simple_operations): New function.
154
155 2005-04-23 Zdenek Dvorak <dvorakz@suse.cz>
156
157 * tree-ssa-loop-ivopts.c (struct cost_pair): Add value field.
158 (find_interesting_uses_cond): Do not use integer_zerop and
159 integer_nonzerop to check for integer constants.
160 (set_use_iv_cost): Record the value field.
161 (determine_use_iv_cost_generic, determine_use_iv_cost_address,
162 determine_use_iv_cost_outer): Set the value field of the cost pair.
163 (may_eliminate_iv): Do not return the comparison code.
164 (iv_elimination_compare): New function.
165 (determine_use_iv_cost_condition): Set the value field. Record
166 noneliminable invariants correctly.
167 (rewrite_use_compare, rewrite_use_outer): Use the value field.
168
169 2005-04-23 DJ Delorie <dj@redhat.com>
170
171 * diagnostic.c (warning): Accept parameter to classify warning option.
172 (warning0): New, for when a pointer to an error() like function is needed.
173 * errors.c (warning): Likewise.
174 * errors.h (warning, warning0): Adjust prototypes.
175 * toplev.h (warning, warning0): Likewise.
176
177 * attribs.c, builtins.c, c-common.c, c-decl.c, c-format.c,
178 c-gimplify.c, c-lex.c, c-objc-common.c, c-opts.c, c-parser.c,
179 c-pragma.c, c-typeck.c, calls.c, cgraph.c, coverage.c, emit-rtl.c,
180 fold-const.c, fortran/trans-decl.c, function.c, gcse.c,
181 genautomata.c, haifa-sched.c, opts.c, passes.c, regclass.c,
182 reload1.c, stmt.c, stor-layout.c, toplev.c, tree-cfg.c,
183 tree-dump.c, tree-inline.c, tree-mudflap.c, tree-optimize.c,
184 tree-ssa.c, tree.c, varasm.c: Adjust warning() callers.
185
186 * config/alpha/alpha.c, config/arc/arc.c, config/arm/arm.c,
187 config/avr/avr.c, config/bfin/bfin.c, config/c4x/c4x-c.c,
188 config/c4x/c4x.c, config/cris/cris.c, config/darwin-c.c,
189 config/darwin.c, config/darwin.h, config/h8300/h8300.c,
190 config/i386/cygming.h, config/i386/djgpp.h, config/i386/i386.c,
191 config/i386/winnt.c, config/ia64/ia64-c.c, config/ia64/ia64.c,
192 config/ip2k/ip2k.c, config/m32r/m32r.c, config/m68hc11/m68hc11.c,
193 config/m68k/m68k.c, config/mcore/mcore.c, config/mips/mips.c,
194 config/mmix/mmix.c, config/ns32k/ns32k.c, config/pa/pa-hpux11.h,
195 config/pa/pa.c, config/rs6000/aix43.h, config/rs6000/aix51.h,
196 config/rs6000/aix52.h, config/rs6000/darwin.h,
197 config/rs6000/rs6000-c.c, config/rs6000/rs6000.c,
198 config/s390/s390.c, config/sh/sh.c, config/sh/sh.h,
199 config/sh/symbian.c, config/sol2-c.c, config/sol2.c,
200 config/stormy16/stormy16.c, config/v850/v850-c.c,
201 config/v850/v850.c, config/xtensa/xtensa.c: Adjust warning()
202 callers.
203
204 2005-04-23 Richard Henderson <rth@redhat.com>
205
206 PR rtl-opt/21102
207 * simplify-rtx.c (simplify_binary_operation): Fix mode check before
208 performing some integral scalar simplifications.
209
210 2005-04-23 Richard Henderson <rth@redhat.com>
211
212 PR target/21099
213 * config/i386/i386.c (ix86_split_to_parts): Use proper mode when
214 simplifying CONST_VECTOR.
215
216 2005-04-23 Kazu Hirata <kazu@cs.umass.edu>
217
218 * tree-ssa-live.c (live_worklist): Take a stack allocated on
219 heap as an argument. Update uses of stack.
220 (calculate_live_on_entry): Allocate stack on heap.
221
222 * tree-ssa-live.c (build_tree_conflict_graph): Allocate
223 partition_link and tpa_nodes on heap.
224
225 * tree-ssa-dce.c (worklist): Change to VEC(tree,heap).
226 (mark_stmt_necessary, propagate_necessity,
227 mark_really_necessary_kill_operand_phis): Update uses of
228 worklist.
229 (tree_dce_init): Allocate worklist using VEC_alloc.
230 (tree_dce_done): Free worklist using VEC_free.
231
232 2005-04-23 Mike Stump <mrs@apple.com>
233
234 * config/darwin.c (machopic_indirection_name): Don't use
235 quotes needlessly.
236 (darwin_emit_unwind_label): Use user_label_prefix instead of
237 "_".
238
239 2005-04-23 Kazu Hirata <kazu@cs.umass.edu>
240
241 * final.c, ipa-inline.c, varasm.c: Fix comment typos.
242
243 2005-04-23 Hans-Peter Nilsson <hp@axis.com>
244
245 * config.gcc <cris-*>: Specify .opt files.
246 * config/cris/cris.opt, config/cris/elf.opt, config/cris/aout.opt,
247 config/cris/linux.opt: New files.
248 * config/cris/aout.h (CRIS_SUBTARGET_SWITCHES)
249 (CRIS_SUBTARGET_LONG_OPTIONS): Don't define.
250 (TARGET_ELF): Override to 0.
251 (CRIS_SUBTARGET_HANDLE_OPTION): Override to handle -melinux and
252 -melinux-stacksize=N.
253 * config/cris/cris.c: (cris_handle_option): New function.
254 (TARGET_DEFAULT_TARGET_FLAGS): Override.
255 (TARGET_HANDLE_OPTION): Override to cris_handle_option.
256 (cris_override_options): Use MASK_*, not TARGET_MASK_*.
257 * config/cris/cris.h (TARGET_MASK_SVINTO, TARGET_SVINTO,
258 (TARGET_MASK_CCINIT, TARGET_CCINIT, TARGET_MASK_PDEBUG)
259 (TARGET_PDEBUG, TARGET_MASK_SIDE_EFFECT_PREFIXES)
260 (TARGET_SIDE_EFFECT_PREFIXES, TARGET_MASK_EXPAND_MUL)
261 (TARGET_EXPAND_MUL, TARGET_MASK_STACK_ALIGN, TARGET_STACK_ALIGN)
262 (TARGET_MASK_CONST_ALIGN, TARGET_CONST_ALIGN)
263 (TARGET_MASK_DATA_ALIGN, TARGET_DATA_ALIGN)
264 (TARGET_MASK_PROLOGUE_EPILOGUE, TARGET_PROLOGUE_EPILOGUE)
265 (TARGET_MASK_ETRAX4_ADD, TARGET_ETRAX4_ADD)
266 (TARGET_MASK_ALIGN_BY_32, TARGET_ALIGN_BY_32, TARGET_MASK_ELF)
267 (TARGET_ELF, TARGET_MASK_LINUX, TARGET_LINUX)
268 (TARGET_MASK_AVOID_GOTPLT, TARGET_AVOID_GOTPLT)
269 (TARGET_MASK_MUL_BUG, TARGET_MUL_BUG, TARGET_SWITCHES)
270 (CRIS_SUBTARGET_SWITCHES, TARGET_OPTIONS)
271 (CRIS_SUBTARGET_LONG_OPTIONS): Don't define.
272 (TARGET_LINUX): Define 0.
273 (TARGET_DEFAULT): Use MASK_*, not TARGET_MASK_*.
274 (CRIS_SUBTARGET_DEFAULT): Define to 0, not TARGET_MASK_ELF.
275 (CRIS_SUBTARGET_DEFAULT): New empty default macro.
276 * config/cris/linux.h (CRIS_SUBTARGET_SWITCHES): Don't define.
277 (TARGET_LINUX): Override to 1.
278 (CRIS_SUBTARGET_DEFAULT): Use MASK_*, not TARGET_MASK_*.
279
280 2005-04-23 Nathan Sidwell <nathan@codesourcery.com>
281
282 * haifa-sched.c (schedule_block): Fix thinko in previous
283 assertification patch.
284
285 2005-04-23 Richard Sandiford <rsandifo@redhat.com>
286
287 * config.gcc (hppa[12]*-*-hpux10*): Add pa/pa-hpux.opt to
288 $extra_options. Also add pa/pa-hpux1010.opt for hpux10.[1-9]*.
289 (hppa*64*-*-hpux11*): Add pa/pa-hpux1010.h to $tm_file. Add
290 pa/pa-hpux.opt, pa/pa-hpux1010.opt and pa/pa64-hpux.opt to
291 $extra_options. Also add pa/pa-hpux1111.opt for hpux11.[1-9]*.
292 (hppa[12]*-*-hpux11*): Add pa/pa-hpux1010.h to $tm_file. Add
293 pa/pa-hpux.opt to $extra_options. Also add pa/pa-hpux1111.opt
294 for hpux11.[1-9]*.
295 * config/pa/pa.h (architecture_type, rtx_def, pa_arch_string, pa_arch)
296 (pa_fixed_range_string, pa_cpu_string, pa_unix_string, target_flags)
297 (MASK_PA_11, MASK_DISABLE_FPREGS, TARGET_DISABLE_FPREGS)
298 (MASK_NO_SPACE_REGS, TARGET_NO_SPACE_REGS, MASK_JUMP_IN_DELAY)
299 (TARGET_JUMP_IN_DELAY, MASK_DISABLE_INDEXING, TARGET_DISABLE_INDEXING)
300 (MASK_PORTABLE_RUNTIME, TARGET_PORTABLE_RUNTIME, MASK_GAS, TARGET_GAS)
301 (MASK_SOFT_FLOAT, TARGET_SOFT_FLOAT, MASK_LONG_LOAD_STORE)
302 (TARGET_LONG_LOAD_STORE, MASK_FAST_INDIRECT_CALLS)
303 (TARGET_FAST_INDIRECT_CALLS, MASK_BIG_SWITCH, TARGET_BIG_SWITCH)
304 (MASK_PA_20, MASK_SIO, TARGET_SIO, MASK_GNU_LD, TARGET_GNU_LD)
305 (MASK_LONG_CALLS, TARGET_LONG_CALLS, TARGET_PA_11, TARGET_PA_20)
306 (TARGET_SWITCHES, SUBTARGET_SWITCHES, TARGET_OPTIONS)
307 (SUBTARGET_OPTIONS): Delete.
308 (TARGET_PA_10): Redefine in terms of TARGET_PA_11 and TARGET_PA_20.
309 (TARGET_SCHED_DEFAULT): Define to a PROCESSOR_* enum (PROCESSOR_8000)
310 instead of a string.
311 * config/pa/pa.c (pa_arch, pa_arch_string, pa_fixed_range_string)
312 (pa_cpu_string, pa_unix_string): Delete.
313 (pa_cpu): Initialize to TARGET_SCHED_DEFAULT.
314 (flag_pa_unix): Initialize based on TARGET_HPUX_11_11 and
315 TARGET_HPUX_10_10.
316 (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
317 (pa_handle_option): New function.
318 (override_options): Remove handling of -march=, -mfixed-range=,
319 -mschedule= and -munix=.
320 * config/pa/pa-hpux.h (SUBTARGET_SWITCHES): Delete.
321 * config/pa/pa-hpux1010.h (SUBTARGET_OPTIONS): Delete.
322 * config/pa/pa-hpux10.h (SUBTARGET_OPTIONS): Delete.
323 * config/pa/pa-hpux1111.h (SUBTARGET_OPTIONS): Delete.
324 * config/pa/pa-hpux11.h (SUBTARGET_OPTIONS): Delete.
325 * config/pa/pa64-hpux.h (SUBTARGET_SWITCHES): Delete.
326 * config/pa/pa64-start.h (TARGET_PA_11, TARGET_PA_20): #undef before
327 redefining.
328 * config/pa/pa.opt: New file.
329 * config/pa/pa-hpux.opt: New file.
330 * config/pa/pa-hpux1010.opt: New file.
331 * config/pa/pa-hpux1111.opt: New file.
332 * config/pa/pa64-hpux.opt: New file.
333
334 2005-04-22 David S. Miller <davem@davemloft.net>
335
336 * rtl.h (CONST_DOUBLE): Fix comment, a CONST_DOUBLE holds an
337 integer when it's mode is VOIDmode not DImode.
338
339 2005-04-22 Geoffrey Keating <geoffk@apple.com>
340
341 * config/rs6000/rs6000.md (sync_add<mode>_internal,
342 sync_addshort_internal, sync_sub<mode>_internal, sync_andsi_internal,
343 sync_anddi_internal, sync_boolsi_internal, sync_booldi_internal,
344 sync_boolc<mode>_internal, sync_boolc<mode>_internal2,
345 sync_boolcc<mode>_internal, sync_lock_test_and_set<mode>): Use
346 "bne- $-xxx" rather than local labels.
347 (sync_lock_release<mode>): Add second operand.
348 (lwsync): Use .long rather than a more meaningful opcode.
349 * doc/md.texi (Standard Names): Add description of second
350 parameter to sync_lock_test_and_set.
351
352 2005-04-23 Kazu Hirata <kazu@cs.umass.edu>
353
354 PR tree-optimization/21088
355 * fold-const.c (fold_unary, fold_binary, fold_ternary):
356 Export.
357 * tree-vrp.c (compare_values): Use fold_binary to compare
358 pointers. Use boolean_type_node as the type of a comparison
359 expression being folded.
360 * tree.h: Add prototypes for fold_unary, fold_binary,
361 fold_ternary.
362
363 * tree-ssa-dom.c: Fix formatting.
364
365 2005-04-22 Diego Novillo <dnovillo@redhat.com>
366
367 * Makefile.in (tree-into-ssa.o): Add dependency on PARAMS_H.
368 * lambda-code.c (perfect_nestify): Mark virtual operands in
369 the moved statement for renaming.
370 * params.def (PARAM_MIN_VIRTUAL_MAPPINGS): Define.
371 (PARAM_VIRTUAL_MAPPINGS_TO_SYMS_RATIO): Define.
372 * params.h (MIN_VIRTUAL_MAPPINGS): Define.
373 (VIRTUAL_MAPPINGS_TO_SYMS_RATIO): Define.
374 * tree-flow.h (struct var_ann_d): Update comments.
375 (rewrite_to_new_ssa_names_bb, rewrite_to_new_ssa_names,
376 allocate_ssa_names, find_phi_node_for, dump_tree_ssa,
377 debug_tree_ssa, debug_def_blocks, dump_tree_ssa_stats,
378 debug_tree_ssa_stats, rewrite_ssa_into_ssa,
379 dump_repl_tbl, debug_repl_tbl, dump_names_replaced_by,
380 debug_names_replaced_by): Remove declarations.
381 (delete_update_ssa, get_current_def, set_current_def): Declare.
382 (rewrite_into_loop_closed_ssa): Add new argument. Update
383 all callers.
384 * tree-into-ssa.c: Include params.h.
385 (old_virtual_ssa_names): Remove. Update all users.
386 (need_to_replace_names_p): Remove. Update all users.
387 (struct update_ssa_stats_d): Declare.
388 (update_ssa_stats): New local.
389 (dump_tree_ssa, debug_tree_ssa, debug_def_blocks,
390 dump_tree_ssa_stats, debug_tree_ssa_stats,
391 dump_update_ssa, debug_update_ssa,
392 dump_names_replaced_by, debug_names_replaced_by): Declare.
393 (get_current_def, set current_def): Make extern.
394 (is_old_name, is_new_name): Protect against references
395 past the end of the sets.
396 (add_new_name_mapping): Assert that OLD and NEW are
397 different SSA names for the same symbol.
398 When adding a virtual mapping, update stats for virtual
399 mapping heuristic.
400 (insert_phi_nodes_for): If UPDATE_P is true, create the
401 LHS of the new PHI by duplicating SSA name VAR.
402 (insert_phi_nodes_1): Remove. Update all users.
403 (insert_phi_nodes): Remove second argument. Update all
404 users.
405 (maybe_replace_use, maybe_replace_def): New.
406 (rewrite_update_stmt): Call them.
407 (mark_def_interesting): Remove calls to is_gimple_reg.
408 (prepare_phi_args_for_update): Remove. Update all users.
409 (prepare_block_for_update): Only process virtual operands
410 and GIMPLE registers in normal form.
411 (prepare_use_sites_for): New.
412 (prepare_names_to_update): Rename from prepare_def_sites.
413 Call prepare_use_sites_for.
414 (dump_update_ssa): Rename from dump_repl_tbl.
415 Update all users.
416 Show statistics for virtual mapping heuristic.
417 (debug_update_ssa): Rename from debug_debug_repl_tbl.
418 (init_update_ssa): Initialize UPDATE_SSA_STATS.
419 (delete_update_ssa): Make extern.
420 (mark_set_for_renaming): If the set is empty, do nothing.
421 (release_ssa_name_after_update_ssa): Update comment.
422 (insert_updated_phi_nodes_for): Do not remove existing
423 PHI nodes for symbols.
424 (switch_virtuals_to_full_rewrite_p): New.
425 (switch_virtuals_to_full_rewrite): New.
426 (update_ssa): Call them.
427 Clear REWRITE_THIS_STMT and REGISTER_DEFS_IN_THIS_STMT
428 for every statement before updating.
429 If all the names in NEW_SSA_NAMES have been marked for
430 removal, do nothing.
431 Only start at the top of the CFG if there are symbols in
432 SYMS_TO_RENAME.
433 (ssa_rewrite_finalize_block): Remove.
434 (ssa_register_new_def): Remove.
435 (ssa_rewrite_stmt): Remove.
436 (ssa_rewrite_phi_arguments): Remove.
437 (ssa_rewrite_initialize_block): Remove.
438 (ssa_mark_def_sites): Remove.
439 (ssa_mark_def_sites_initialize_block): Remove.
440 (ssa_mark_phi_uses): Remove.
441 (rewrite_ssa_into_ssa): Remove.
442 * tree-phinodes.c (find_phi_node_for): Remove.
443 * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely):
444 Call update_ssa.
445 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops):
446 Remove calls to verify_dominators and
447 verify_loop_structure.
448 (tree_unswitch_single_loop): Call update_ssa.
449 * tree-ssa.c (verify_ssa): Assert that need_ssa_update_p
450 returns false.
451 Call verify_stmts.
452 (delete_tree_ssa): Assert that need_ssa_update_p returns
453 false.
454 * tree-vect-transform.c (vect_transform_loop): Call update_ssa.
455 * tree-vectorizer.c (allocate_new_names, rename_def_op,
456 free_new_names): Remove. Update all users.
457 (rename_use_op): Call get_current_def.
458 (rename_variables_in_bb): Do not handle any real or
459 virtual definition.
460 (slpeel_update_phis_for_duplicate_loop): Call
461 get_current_def and set_current_def instead of using
462 SSA_NAME_AUX.
463 (slpeel_update_phi_nodes_for_guard2): Reformat comments.
464 (slpeel_can_duplicate_loop_p): Call need_ssa_update_p,
465 ssa_names_to_replace and delete_update_ssa.
466 * doc/invoke.texi: Document --param min-virtual-mappings
467 and --param virtual-mappings-ratio.
468
469 2005-04-22 Diego Novillo <dnovillo@redhat.com>
470
471 * tree-cfg.c (tree_duplicate_bb): Call create_new_def_for
472 for newly created PHI nodes.
473 Call create_new_def_for for every new V_MAY_DEF and
474 V_MUST_DEF on the copied statement.
475 (struct ssa_name_map_entry): Remove.
476 (ssa_name_map_entry_hash): Remove.
477 (ssa_name_map_entry_eq): Remove.
478 (allocate_ssa_names): Remove.
479 (rewrite_to_new_ssa_names_def): Remove.
480 (rewrite_to_new_ssa_names_use): Remove.
481 (rewrite_to_new_ssa_names_bb): Remove.
482 (rewrite_to_new_ssa_names): Remove.
483 (tree_duplicate_sese_region): Remove variables ver,
484 definitions, phi, ssa_name_map and bi.
485 Call need_ssa_update_p instead of any_marked_for_rewrite_p.
486 Call update_ssa.
487 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Call
488 update_ssa instead of rewrite_ssa_into_ssa.
489 * tree-ssa-loop-manip.c (add_exit_phis_edge): Call
490 create_new_def_for.
491 (find_uses_to_rename_use): Add argument 'need_phis'.
492 (find_uses_to_rename_stmt): Do not scan virtual operands.
493 (find_uses_to_rename): Only scan PHI nodes for
494 non-virtual names.
495 (rewrite_into_loop_closed_ssa): Call update_ssa.
496 (check_loop_closed_ssa_use): Ignore virtual operands.
497 (check_loop_closed_ssa_stmt): Likewise.
498 (verify_loop_closed_ssa): Do nothing if CURRENT_LOOPS is
499 NULL.
500 (rename_variables, set_phi_def_stmts): Remove.
501 (tree_duplicate_loop_to_header_edge): Reformat comment.
502 Remove variables BB, I and DEFINITIONS.
503 Call need_ssa_update_p.
504 Call update_ssa.
505 (lv_adjust_loop_header_phi): Reformat comment.
506 * tree-ssanames.c (ssa_names_to_rewrite): Remove.
507 (marked_for_rewrite_p, any_marked_for_rewrite_p,
508 mark_for_rewrite, unmark_all_for_rewrite,
509 marked_ssa_names): Remove. Update all users.
510 (release_ssa_name): If VAR has been registered for SSA
511 updating, do nothing.
512 * tree-vrp.c (new_ssa_names, old_ssa_names): Remove.
513 (build_assert_expr_for): Call register_new_name_mapping.
514 (insert_range_assertions): Update call to update_ssa.
515 * tree.h (mark_for_rewrite, unmark_all_for_rewrite,
516 marked_for_rewrite_p, any_marked_for_rewrite_p,
517 marked_ssa_names): Remove.
518
519 2005-04-22 Jeff Law <law@redhat.com>
520
521 * tree-ssa-dom.c (block_defs_stack): Remove, no longer needed.
522 (restore_currdefs_to_original_value): Likewise.
523 (register_definitions_for_stmt): Likewise.
524 (tree_ssa_dominator_optimize): No longer initialize CURRENT_DEF
525 for each variable. Do not allocate/free block_defs_stack either.
526 Do not iterate if we just thread jumps. Only iterate if the
527 tree_cleanup_cfg does useful work (temporary).
528 (dom_opt_initialize_block): No longer push a marker on
529 BLOCK_DEFS_STACK.
530 (dom_opt_finalize_block): Removal call to restore currdefs.
531 Relax restrictions for recording edge equivalences.
532 (record_equivalences_from_phis): No longer need to track
533 CURRENT_DEF.
534 (optimize_stmt): Similarly.
535 (thread_across_edge): Simplify by removing the requirement that
536 statements in the block we are threading through must be nops.
537 (initialize_hash_element): Handle GOTO_EXPR.
538
539 2005-04-22 David S. Miller <davem@davemloft.net>
540
541 * sched-vis.c (print_value): Use CONST_DOUBLE_LOW and
542 CONST_DOUBLE_HIGH.
543 * config/sparc/sparc.c (sparc_rtx_costs): Likewise, and
544 fix check on CONST_DOUBLE mode. It should be VOIDmode
545 when it is representing an integer.
546
547 2005-04-22 Nathan Sidwell <nathan@codesourcery.com>
548
549 * builtins.c (gimplify_va_arg_expr): Reword comments to avoid
550 'abort'. Use gcc_assert and gcc_unreachable as appropriate.
551 * c-format.c (get_constant, decode_format_attr, get_flag_spec,
552 find_char_info_specifier_index,
553 find_length_info_modifier_index): Likewise.
554 * c-typeck.c (composite_type, pop_init_level): Likewise.
555 * combine.c (cant_combine_insn_p, try_combine): Likewise.
556 * cse.c (cse_insn): Likewise
557 * dominance.c (calc_dfs_tree): Likewise
558 dwarf2out.c (loc_descriptor_from_tree_1,
559 add_abstract_origin_attribute, force_decl_die,
560 force_type_die): Likewise
561 emit-rtl.c (operand_subword_force): Likewise
562 explow.c (hard_function_value): Likewise
563 expmed.c (store_bit_field, expand_divmod,
564 emit_store_flag_force): Likewise
565 expr.c (emit_move_multi_word, store_expr,
566 expand_expr_real_1): Likewise
567 final.c (this_is_asm_operands, shorten_branches, final_scan_insn,
568 output_operand): Likewise
569 flow.c (recompute_reg_usage): Likewise
570 * function.c (assign_stack_temp_for_type, assign_temp,
571 handle_epilogue_set): Likewise
572 * genextract.c (main): Likewise
573 * gimplify.c (mostly_copy_tree_r, gimplify_return_expr,
574 gimplify_modify_expr_rhs, gimplify_expr): Likewise
575 * haifa-sched.c (ready_lastpos, ready_remove_first, ready_element,
576 ready_remove, rm_line_notes, rm_other_notes,
577 schedule_block): Likewise
578 mips-tfile.c (copy_object, out_of_bounds): Likewise
579
580 2005-04-22 David Edelsohn <edelsohn@gnu.org>
581
582 PR target/20813
583 * config/rs6000/default64.h (TARGET_DEFAULT): Add MASK_PPC_GFXOPT.
584 * config/rs6000/rs6000.c (processor_target_table): Rename rs64a to
585 rs64. Add MASK_PPC_GFXOPT to powerpc64 and rs64.
586 (rs6000_init_libfuncs): Set TFmode optabs to xlq names if
587 TARGET_XL_COMPAT.
588 * doc/invoke.texi (PowerPC options): Change rs64a to rs64.
589
590 2005-04-22 Nathan Sidwell <nathan@codesourcery.com>
591
592 * lambda-code.c: Define VEC(int,heap), VEC(lambda_loop,heap).
593 (gcc_tree_to_linear_expression): Convert to heap allocated
594 vectors.
595 (gcc_loop_to_lambda_loop, gcc_loopnest_to_lambda_loopnest,
596 lbv_to_gcc_expression, lle_to_gcc_expression,
597 lambda_loopnest_to_gcc_loopnest, can_convert_to_perfect_nest,
598 perfect_nestify): Likewise.
599 lambda.h (gcc_loopnest_to_lambda_loopnest,
600 lambda_loopnest_to_gcc_loopnest): Likewise.
601 tree-loop-linear.c (linear_transform_loops): Likewise.
602
603 2005-04-22 Eric Botcazou <ebotcazou@libertysurf.fr>
604
605 * config/sparc/predicates.md (arith_double_operand): Use
606 trunc_int_for_mode if HOST_BITS_PER_WIDE_INT >=64.
607 * config/sparc/sparc.md (movqi, movhi, movsi, movqi): Use gen_int_mode.
608 (DImode, DFmode constant splitters): Likewise. Remove code for
609 TARGET_ARCH64 && HOST_BITS_PER_WIDE_INT < 64.
610 (logical constant splitters): Use const_int_operand predicate.
611 (lshrsi3_extend): Remove code for TARGET_ARCH64 &&
612 HOST_BITS_PER_WIDE_INT < 64.
613
614 2005-04-22 Nathan Sidwell <nathan@codesourcery.com>
615
616 * config/pa/pa.c (legitimize_pic_address): Use gcc_assert and
617 gcc_unreachable as appropriate.
618 (force_mode, emit_move_sequence, singlemove_string,
619 output_move_double, output_fp_move_double, find_addr_reg,
620 output_block_move, output_block_clear, output_and,
621 output_64bit_and, output_ior, output_64bit_ior, store_reg_modify,
622 pa_adjust_cost, pa_issue_rate, print_operand,
623 output_global_address, output_arg_descriptor, output_cbranch,
624 output_lbranch, output_bb, output_bvb, output_dbra, output_movb,
625 output_call): Likewise.
626 * config/pa/pa.md (call, call_value, sibcall, sibcall_value,
627 prefetch, prefetch_cc, prefetch_nocc): Likewise.
628
629 2005-04-22 Zdenek Dvorak <dvorakz@suse.cz>
630
631 * Makefile.in (LIBGCOV): Add _gcov_interval_profiler,
632 _gcov_pow2_profiler and _gcov_one_value_profiler.
633 (tree-profile.o): Add GGC_H and gt-tree-profile.h dependency.
634 (GTFILES): Add $(srcdir)/tree-profile.c.
635 * gcov-io.h (__gcov_interval_profiler, __gcov_pow2_profiler,
636 __gcov_one_value_profiler): Declare.
637 * gimplify.c (force_gimple_operand): Check whether the statements
638 should be produced in ssa form.
639 (force_gimple_operand_bsi): New function.
640 * libgcov.c (__gcov_interval_profiler, __gcov_pow2_profiler,
641 __gcov_one_value_profiler): New functions.
642 * rtl-profile.c (rtl_gen_pow2_profiler): Only measure whether
643 the profiled value is a power of two or not.
644 * tree-cfg.c (tree_block_ends_with_condjump_p): Handle empty blocks.
645 * tree-flow.h (in_ssa_p): Declare.
646 (force_gimple_operand_bsi): Declare.
647 * tree-into-ssa.c (in_ssa_p): New variable.
648 (rewrite_into_ssa): Set in_ssa_p.
649 * tree-outof-ssa.c (rewrite_out_of_ssa): Set in_ssa_p.
650 * tree-profile.c: Include ggc.h and gt-tree-profile.h.
651 (gcov_type_node, tree_interval_profiler_fn, tree_pow2_profiler_fn,
652 tree_one_value_profiler_fn): New variables.
653 (tree_init_edge_profiler): Initialize the profiler function decls.
654 (tree_gen_edge_profiler): Use global gcov_type_node.
655 (prepare_instrumented_value): New function.
656 (tree_gen_interval_profiler, tree_gen_interval_profiler,
657 tree_gen_one_value_profiler): Call the library functions instead of
658 creating instrumentation code.
659 * tree.c (build_fn_decl): New function.
660 * tree.h (build_fn_decl): Declare.
661 * value-prof.c (rtl_divmod_values_to_profile,
662 rtl_find_values_to_profile, rtl_mod_pow2_value_transform,
663 tree_mod_pow2_value_transform, tree_find_values_to_profile):
664 Do not handle may_be_other and precise values of exponents at pow2
665 profiler.
666 (tree_mod_subtract_transform): Reflect that value field of
667 histogram has changed meaning.
668 (tree_divmod_values_to_profile): Record the values correctly.
669 (tree_values_to_profile): Update comment.
670 * value-prof.h (struct histogram_value_t): Remove pow2 data.
671
672 2005-04-22 Joseph S. Myers <joseph@codesourcery.com>
673
674 * varasm.c (do_assemble_alias): Return early if TREE_ASM_WRITTEN
675 (decl).
676
677 2005-04-22 Nathan Sidwell <nathan@codesourcery.com>
678
679 * config/i386/i386.md (length_immediate): Use gcc_assert or
680 gcc_unreachable, as appropriate.
681 (*movsi_1, *movqi_1, reload_outqi, *movdi_1_rex64, *pushsf,
682 *pushsf_rex64, *truncxfsf2_mixed, *truncxfsf2_i387,
683 *truncxfdf2_mixed, *truncxfdf2_i387, *adddi_1_rex64,
684 *adddi_2_rex64, *adddi_3_rex64, *adddi_4_rex64, *adddi_5_rex64,
685 *addsi_1, addsi_1_zext, *addsi_2, *addsi_2_zext, *addsi_3,
686 *addsi_3_zext, *addsi_4, *addsi_5, *addhi_1_lea, *addhi_1,
687 *addhi_2, *addhi_3, *addhi_4, *addhi_5, *addqi_1_lea, *addqi_1,
688 *addqi_1_slp, *addqi_2, *addqi_3, *addqi_4, *addqi_5, addqi_ext_1,
689 *addqi_ext_1_rex64, *anddi_1_rex64, *andsi_1, *andhi_1,
690 *ashldi3_1_rex64, *ashldi3_cmp_rex64, *ashlsi3_1, *ashlsi3_1_zext,
691 *ashlsi3_cmp, *ashlsi3_cmp_zext, *ashlhi3_1_lea, *ashlhi3_1,
692 *ashlhi3_cmp, *ashlqi3_1_lea, *ashlqi3_1, *ashlqi3_cmp,
693 pro_epilogue_adjust_stack_1, pro_epilogue_adjust_stack_rex64,
694 pro_epilogue_adjust_stack_rex64_2, prefetch, *prefetch_sse,
695 *prefetch_sse_rex): Likewise.
696 * config/i386/predicates.md (x86_64_immediate_operand,
697 x86_64_zext_immediate_operand, symbolic_operand,
698 no_seg_address_operand, aligned_operand,
699 memory_displacement_operand): Likewise.
700 * config/i386/sse.md (*mov<mode>_internal,
701 *movv2df_internal): Likewise.
702
703 2005-04-22 Jan Hubicka <jh@suse.cz>
704
705 * Makefile.in (ipa.o, ipa-inline.o): New files.
706 * cgraph.h (cgraph_remove_unreachable_nodes, cgraph_postorder,
707 cgraph_decide_inlining_incrementally, cgraph_clone_inlined_nodes,
708 cgraph_mark_inline_edge, cgraph_default_inline_p): Declare.
709 * cgraphunit.c (cgraph_default_inline_p,
710 cgraph_decide_inlining_incrementally, ncalls_inlined,
711 nfunctions_inlined, initial_insns, overall_insns,
712 cgraph_estimate_size_after_inlining, cgraph_estimate_growth,
713 cgraph_clone_inlined_nodes, cgraph_mark_inline_edge,
714 cgraph_mark_inline, cgraph_check_inline_limits,
715 cgraph_default_inline_p, cgraph_recursive_inlining_p,
716 update_callee_keys, lookup_recursive_calls,
717 cgraph_decide_recursive_inlining, cgraph_set_inline_failed,
718 cgraph_decide_inlining_of_small_functions, cgraph_decide_inlining,
719 cgraph_decide_inlining_incrementally, cgraph_gate_inlining,
720 pass_ipa_inline): Move to ipa-inline.c
721 (cgraph_postorder, cgraph_remove_unreachable_nodes): Move to ipa.c
722 * ipa.c: New file.
723 * ipa-inline.c: New file.
724
725 2005-04-22 Eric Botcazou <ebotcazou@libertysurf.fr>
726
727 * doc/invoke.texi (SPARC options): Document that -mapp-regs
728 is turned off by default on Solaris.
729
730 2005-04-21 Roger Sayle <roger@eyesopen.com>
731
732 * c-common.h (objc_build_method_signature): Update prototype.
733 * stub-objc.c (objc_build_method_signature): Update the stub
734 implementation to accept and ignore additional parameter.
735 * c-parser.c (c_parser_objc_method_decl): Reorgnize to pass
736 the value of ellipsis to objc_build_method_signature instead
737 of setting TREE_OVERFLOW on the parms TREE_LIST node.
738
739 2005-04-21 Geoffrey Keating <geoffk@apple.com>
740
741 * config/rs6000/rs6000-protos.h (rs6000_emit_sync): New.
742 * config/rs6000/rs6000.c (rs6000_emit_vector_compare): Use
743 gen_rtx_* not gen_rtx_fmt_*.
744 (rs6000_emit_vector_select): Likewise.
745 (rs6000_emit_sync): New.
746 * config/rs6000/rs6000.md (GPR, INT, INT1): New mode macros.
747 (larx, stcx, cmp): New mode substitutions.
748 (UNSPEC_SYNC, UNSPEC_SYNC_OP, UNSPEC_SYNC_SWAP, UNSPEC_LWSYNC,
749 UNSPEC_ISYNC): New constants.
750 (rlwinm): Give name.
751 (memory_barrier, isync, lwsync): New insns.
752 (sync_compare_and_swap<mode>, sync_lock_test_and_set<mode>): New insn.
753 (sync_lock_release<mode>): New expander.
754 (sync_add<mode>, sync_sub<mode>, sync_ior<mode>, sync_and<mode>,
755 sync_xor<mode>, sync_nand<mode>, sync_old_add<mode>,
756 sync_old_sub<mode>, sync_old_ior<mode>, sync_old_and<mode>,
757 sync_old_xor<mode>, sync_old_nand<mode>, sync_new_add<mode>,
758 sync_new_sub<mode>, sync_new_ior<mode>, sync_new_and<mode>,
759 sync_new_xor<mode>, sync_new_nand<mode>): New expanders.
760 (sync_add<mode>_internal, sync_addshort_internal,
761 sync_sub<mode>_internal, sync_andsi_internal, sync_anddi_internal,
762 sync_boolsi_internal, sync_booldi_internal, sync_boolc<mode>_internal,
763 sync_boolc<mode>_internal2, sync_boolcc<mode>_internal): New insns.
764
765 * doc/md.texi (Standard Names): sync_compare_and_swap's operand 0
766 is the memory before, not after, the operation. Clarify
767 barrier requirements.
768
769 2005-04-21 Nathan Sidwell <nathan@codesourcery.com>
770
771 * cfghooks.h (struct cfg_hooks): Reword comments to avoid 'abort'.
772 * lambda.h (lambda_vector_min_nz): Likewise.
773 * langhooks.h (struct lang_hooks_for_types,
774 struct lang_hooks): Likewise.
775 * output.h (assemble_integer, this_is_asm_operands): Likewise.
776 * tree.h: Likewise.
777 * vec.h: Likewise.
778 * tree-flow-inline.h (relink_imm_use): Use gcc_assert.
779
780 * optabs.c (prepare_cmp_insn, emit_cmp_and_jump_insns): Reword
781 comments to avoid 'abort'. Use gcc_assert as necessary.
782 * opts.c (common_handle_option): Likewise.
783 * pretty-print.c (pp_base_format_text): Likewise.
784 * print-rtl.c (print_rtx): Likewise.
785 * read-rtl.c (read_rtx_filename, read_rtx_1): Likewise.
786 * regmove.c (try_auto_increment): Likewise.
787 * reload.c (find_valid_class, find_reloads_toplev,
788 find_equiv_reg): Likewise.
789 * reload1.c (reload, forget_old_reloads_1, function_invariant_p,
790 merge_assigned_reloads): Likewise.
791 * tree-inline.c (inline_forbidden_p_1,
792 estimate_num_insns_1): Likewise.
793 * tree-optimize.c (execute_todo): Likewise.
794 * tree-outof-ssa.c (eliminate_phi): Likewise.
795 * tree-ssa-alias.c (add_pointed_to_expr): Likewise.
796 * tree-ssa-ccp.c (maybe_fold_stmt_indirect): Likewise.
797 * tree-ssa-operands.c (parse_ssa_operands,
798 get_indirect_ref_operands, create_ssa_artficial_load_stmt): Likewise.
799 * tree-ssa-pre.c (find_or_generate_expression): Likewise.
800 * tree-ssanames.c (release_ssa_name): Likewise.
801 * tree.c (int_bit_position, int_byte_position, tree_low_cst,
802 walk_tree): Likewise.
803
804 * tree-ssa-operands.c (verify_abort): Fold into ..
805 (verify_imm_links): ... here.
806
807 2005-04-21 Richard Henderson <rth@redhat.com>
808
809 * config/alpha/sync.md (sync_new_nand<I48MODE>): Fix constraints
810 on non-memory operand for previous inversion.
811
812 2005-04-21 Devang Patel <dpatel@apple.com>
813
814 PR optimization/20994
815 * tree-if-conv.c (find_phi_replacement_condition): Avoid generating
816 x = !(a == b) : p , q;.
817 (pass_if_conversion): Verify stmts and flow.
818
819 2005-04-21 Nathan Sidwell <nathan@codesourcery.com>
820
821 * optabs.c (gen_conditional_trap): Restore #define.
822
823 * alias.c (true_dependence): Remove 'abort' from comments. Use
824 gcc_assert and gcc_unreachable as appropriate.
825 (canon_true_dependence): Likewise.
826 * bb-reorder.c (connect_traces): Likewise.
827 * c-common.c (c_add_case_label): Likewise.
828 * c-decl.c (finish_function): Likewise.
829 * caller-save.c (insert_restore, insert_save): Likewise.
830 * cfg.c (update_bb_profile_for_threading): Likewise.
831 * cfganal.c (flow_active_insn_p): Likewise.
832 * cfgexpand.c (add_reg_br_prob_note): Likewise.
833 * cfgrtl.c (rtl_redirect_edge_and_branch_force, rtl_split_edge,
834 cfg_layout_merge_blocks): Likewise.
835 * ifcvt.c (cond_exec_process_insns, merge_if_block,
836 find_if_block): Likewise.
837 * integrate.c (allocate_initial_values): Likewise.
838 * jump.c (reverse_condition, reverse_condition_maybe_unordered,
839 swap_condition, unsigned_condition, signed_condition,
840 mark_jump_label, invert_jump_1, rtx_renumbered_equal_p,
841 reg_or_subregno): Likewise.
842 * lambda-code.c (lambda_compute_auxillary_space,
843 lambda_transform_legal_p): Likewise.
844 * lambda-mat.c (lambda_matrix_inverse_hard): Likewise.
845 * langhooks.c (lhd_set_decl_assembler_name, lhd_type_promotes_to,
846 lhd_incomplete_type_error, lhd_expand_expr,
847 lhd_types_compatible_p, lhd_tree_size): Likewise.
848 * lcm.c (create_pre_exit, optimize_mode_switching): Likewise.
849 * local-alloc.c (update_equiv_regs): Likewise.
850 * loop-unroll.c (peel_loop_completely
851 unroll_loop_constant_iterations, unroll_loop_runtime_iterations,
852 peel_loop_simple, unroll_loop_stupid,
853 analyze_iv_to_split_insn): Likewise.
854 * loop.c (gen_prefetch, find_and_verify_loops,
855 basic_induction_var): Likewise.
856 * modulo-sched.c (normalize_sched_times, check_nodes_order): Likewise.
857 * value-prof.c (tree_find_values_to_profile): Likewise.
858 * varasm.c (named_section, default_assemble_integer,
859 decode_addr_const): Likewise.
860
861 2005-04-21 Alan Modra <amodra@bigpond.net.au>
862 Fariborz Jahanian <fjahanian@apple.com>
863
864 * config/rs6000/rs6000.c (rs6000_arg_partial_bytes): Fix size of
865 portion of argument passed in fpr.
866 * expr.c (emit_push_insn): Fix computation of 'offset' used to
867 decide on partial argument save on stack.
868
869 2005-04-21 Kazu Hirata <kazu@cs.umass.edu>
870
871 * config/sparc/predicates.md, config/sparc/sparc.md: Fix
872 comment typos.
873
874 2005-04-21 Jan Hubicka <jh@suse.cz>
875
876 * cgraphunit.c: Include tree-pass.h
877 (cgraph_decide_recursive_inlining,
878 cgraph_decide_inlining_of_small_function, cgraph_set_inline_failed,
879 cgraph_decide_inlining): Dump goes to dump_file.
880 (cgraph_optimize): Call ipa passes instead of inliner.
881 (cgraph_gate_inlining, pass_ipa_inline): New.
882 * tree-optimize.c (all_ipa_passes): New static variable.
883 (register_one_dump_file): Dead with IPA passes.
884 (register_dump_files): Likewise.
885 (init_tree_optimization_passes): Initialize IPA passes.
886 (execute_todo): Do cgraph dump when asked to, do not dump function body
887 for IPA pass.
888 * tree-pass.h (TODO_dump_cgraph): New macro.
889 (ipa_passes): Declare.
890 * Makefile.in (cgraphunit.o): Add dependency on cgraphunit.h
891
892 2005-04-21 Nathan Sidwell <nathan@codesourcery.com>
893
894 * config/i386/i386.c (type_natural_mode): Use gcc_unreachable and
895 gcc_assert instead of abort.
896 (classify_argument, examine_argument, construct_container,
897 contains_128bit_aligned_vector_p, ix86_check_movabs,
898 standard_80387_constant_opcode, standard_80387_constant_rtx,
899 ix86_initial_elimination_offset, ix86_compute_frame_layout,
900 pro_epilogue_adjust_stack, ix86_expand_epilogue,
901 ix86_address_cost, legitimate_address_p, legitimize_pic_address,
902 legitimize_tls_address, output_pic_addr_const,
903 i386_output_dwarf_dtprel, put_condition_code, print_reg,
904 get_some_local_dynamic_name, print_operand, print_operand_address,
905 output_387_binary_op, emit_i387_cw_initialization,
906 output_fix_trunc, output_fp_compare, ix86_output_addr_vec_elt,
907 ix86_expand_clear, ix86_expand_binary_operator,
908 ix86_expand_unary_operator, ix86_match_ccmode, ix86_cc_mode,
909 ix86_cc_modes_compatible, ix86_fp_comparison_codes,
910 ix86_fp_comparison_arithmetics_cost, ix86_expand_fp_compare,
911 ix86_expand_branch, ix86_expand_setcc,
912 ix86_expand_carry_flag_compare, ix86_expand_fp_movcc,
913 ix86_expand_int_addcc, ix86_split_to_parts, ix86_split_long_move,
914 ix86_expand_movmem, ix86_expand_call, assign_386_stack_local,
915 memory_address_length, ix86_attr_length_immediate_default,
916 ix86_attr_length_address_default, ix86_agi_dependant,
917 x86_initialize_trampoline, ix86_init_mmx_sse_builtins,
918 ix86_expand_binop_builtin, ix86_force_to_memory,
919 ix86_secondary_memory_needed, ix86_avoid_jump_misspredicts,
920 x86_emit_floatuns): Likewise.
921 * config/i386/netware.c (gen_regparm_prefix,
922 i386_nlm_strip_name_encoding): Likewise.
923 * config/i386/winnt.c (i386_pe_mark_dllexport): Likewise.
924
925 2005-04-21 Nathan Sidwell <nathan@codesourcery.com>
926
927 * optabs.c (gen_condiational_trap): Remove #define.
928 (add_equal_note): Assertify. Remove explicit indirection from
929 call via function pointer.
930 (expand_ternary_op, expand_simple_binop, expand_binop,
931 expand_twoval_unop, expand_twoval_binop,
932 expand_twoval_binop_libfunc, expand_simple_unop expand_unop,
933 emit_unop_insn, emit_no_conflict_block, prepare_cmp_insn,
934 prepare_operand emit_cmp_and_jump_insn_1, emit_cmp_and_jump_insns,
935 prepare_float_lib_cmp, emit_conditional_move,
936 emit_conditional_add, gen_add2_insn, gen_add3_insn,
937 have_add2_insn, gen_sub2_insn, gen_sub3_insn, have_sub2_insn,
938 expand_float, expand_fix, debug_optab_libfuncs, gen_cond_trap,
939 vector_compare_rtx, expand_vec_cond_expr): Likewise.
940
941 2005-04-21 Nathan Sidwell <nathan@codesourcery.com>
942
943 * vec.h: Update API to separate allocation mechanism from type.
944 (VEC_safe_grow): New.
945 * vec.c (calculate_allocation): New.
946 (vec_gc_o_reserve, vec_heap_o_reserve): Adjust.
947 (vec_gc_free, vec_heap_free): Remove.
948 * gengtype-lex.l (DEF_VEC_): Process mult-argument macros. Adjust.
949 (VEC): Likewise.
950 (mangle_macro_name): New.
951 (struct macro_def): New.
952 (struct macro): Add multiple argument values.
953 (macro_expans_end): New.
954 (push_macro_expansion): Chain on new macro. Process multiple
955 args, create follow on expansion. Return follow on argument.
956 (macro_input): Deal with multiple arguments.
957
958 * tree.h: Define VEC(tree,heap) and VEC(tree,gc).
959 (struct tree_binfo): Adjust.
960 * basic-block.h: Define VEC(edge,gc).
961 (struct edge_def): Adjust.
962 (struct basic_block_def, struct edge_iterator): Likewise.
963 (ei_container, ei_start_1, ei_last_1): Likewise.
964 * cfg.c (connect_src, connect_dest): Likewise.
965 * cfgrtl.c (force_nonfallthru_and_redirect)
966 * dbxout.c (dbxout_type)
967 * dwarf2out.c (gen_member_die)
968 * lambda-code.c: Define VEC(int,gc), VEC(lambda_loop,gc).
969 (gcc_tree_to_linear_expression): Adjust.
970 (gcc_loop_to_lambda_loop, gcc_loopnest_to_lambda_loopnest,
971 lbv_to_gcc_expression, lle_to_gcc_expression,
972 lambda_loopnest_to_gcc_loopnest, can_convert_to_perfect_nest,
973 perfect_nestify): Likewise.
974 * lambda.h (gcc_loopnest_to_lambda_loopnest,
975 lambda_loopnest_to_gcc_loopnest): Adjust prototypes.
976 * profile.c (instrument_values): Adjust.
977 * tree-cfg.c (modified_noreturn_calls): Adjust.
978 (remove_fallthru_edge): Likewise.
979 * tree-dump.c (dequeue_and_dump): Adjust.
980 * tree-flow-inline.h (mark_stmt_modified): Adjust.
981 * tree-flow.h (modified_noreturn_calls): Adjust.
982 (tree_on_heap): Remove. (yay!)
983 (register_new_def): Adjust.
984 * tree-into-ssa.c: Define VEC(int,heap).
985 (block_defs_stack): Adjust.
986 (find_idf, insert_phi_nodes, register_new_def,
987 rewrite_initialize_block, rewrite_finalize_block,
988 register_new_update_single, rewrite_update_init_block,
989 rewrite_update_fini_block, rewrite_blocks,
990 ssa_rewrite_finalize_block, ssa_register_new_def,
991 ssa_rewrite_initialize_block, rewrite_ssa_into_ssa): Likewise.
992 * tree-loop-linear.c (linear_transform_loops): Adjust.
993 * tree-ssa-alias.c: Define VEC(fieldoff_t,heap).
994 (push_fields_onto_fieldstack, create_overlap_variables_for): Adjust.
995 * tree-ssa-dom.c (avail_exprs_stack, block_defs_stack,
996 stmts_to_rescan, const_and_copies_stack, nonzero_vars_stack,
997 vrp_variables_stack): Adjust declarations.
998 (tree_ssa_dominator_optimize): Adjust.
999 (dom_opt_initialize_block, remove_local_expressions_from_table,
1000 restore_nonzero_vars_to_original_value,
1001 restore_vars_to_original_value,
1002 restore_currdefs_to_original_value, dom_opt_finalize_block,
1003 record_var_is_nonzero, record_cond, record_const_or_copy_1,
1004 optimize_stmt, update_rhs_and_lookup_avail_expr,
1005 lookup_avail_expr, record_range): Likewise.
1006 * tree-ssa-pre.c: Define VEC(basic_block,heap).
1007 (compute_antic_aux): Adjust.
1008 (inserted_exprs, create_expression_by_pieces,
1009 insert_into_preds_of_block, eliminate, mark_operand_necessary,
1010 remove_dead_inserted_code, fini_pre): Likewise.
1011 * tree-ssa-propagate.c (interesting_ssa_edges): Adjust.
1012 (varying_ssa_edges, add_ssa_edge, process_ssa_edge_worklist.
1013 ssa_prop_init): Likewise.
1014 * tree-ssa.c: Define VEC(bitmap,heap).
1015 (verify_name_tags): Adjust.
1016 * value-prof.c (rtl_divmod_values_to_profile): Adjust.
1017 (insn_prefetch_values_to_profile, rtl_find_values_to_profile,
1018 tree_divmod_values_to_profile, tree_find_values_to_profile,
1019 value_profile_transformations): Likewise.
1020 * value-prof.h: Define VEC(histogram_value,heap).
1021 * varasm.c: Remove alias_pair pointer typedef, define
1022 VEC(alias_pair,gc).
1023 (finish_aliases_1, finish_aliases_2, assemble_alias): Adjust.
1024
1025 * config/pa/pa.c (typedef extern_symbol): Typedef the structure,
1026 not a pointer to it. Create an object vector.
1027 (extern_symbols): Turn into an object vector.
1028 (pa_hpux_asm_output_external, pa_hpux_file_end): Adjust.
1029
1030 2005-04-21 Sebastian Pop <pop@cri.ensmp.fr>
1031
1032 PR/20742
1033 * Makefile.in (tree-chrec.o): Depend on params.h.
1034 * params.def (PARAM_SCEV_MAX_EXPR_SIZE): New parameter with
1035 default value 20.
1036 * tree-chrec.c: Depend on params.h. Replace build with buildN,
1037 and fold build with fold_buildN.
1038 (chrec_fold_plus_1): Fail with a chrec_don_know when the size of
1039 the expression exceeds PARAM_SCEV_MAX_EXPR_SIZE.
1040 (tree_contains_chrecs): Compute an estimation of the size of the
1041 given expression.
1042 * tree-chrec.h (tree_contains_chrecs): Modify its declaration.
1043 (tree_does_not_contain_chrecs): Update the use of tree_contains_chrecs.
1044 * tree-scalar-evolution.c (simple_iv): Ditto.
1045 * doc/invoke.texi (scev-max-expr-size): Documented.
1046
1047 2005-04-21 Richard Sandiford <rsandifo@redhat.com>
1048
1049 * config.gcc (*-*-darwin*): Add darwin.opt to $extra_options.
1050 (i[34567]86-pc-msdosdjgpp*): Likewise i386/djgpp.opt.
1051 (i[34567]86-*-lynxos*, powerpc-*-lynxos*): Likewise lynx.opt.
1052 (i[34567]86-*-sco3.2v5*): Likewise i386/sco5.opt.
1053 (i[34567]86-*-pe, i[34567]86-*-cygwin*, i[34567]86-*-mingw32*)
1054 (i[34567]86-*-uwin*): Likewise i386/cygming.opt.
1055 * config/darwin.h (darwin_one_byte_bool, darwin_fix_and_continue)
1056 (darwin_fix_and_continue_switch, SUBTARGET_OPTIONS): Delete.
1057 * config/darwin.c (darwin_one_byte_bool, darwin_fix_and_continue)
1058 (darwin_fix_and_continue_switch): Delete.
1059 * config/lynx.h (SUBTARGET_OS_LYNX_SWITCHES): Delete.
1060 (SUBTARGET_SWITCHES): Delete.
1061 * config/i386/i386.h (target_flags, MASK_80387, MASK_RTD)
1062 (MASK_ALIGN_DOUBLE, MASK_SVR3_SHLIB, MASK_IEEE_FP, MASK_FLOAT_RETURNS)
1063 (MASK_NO_FANCY_MATH_387, MASK_OMIT_LEAF_FRAME_POINTER)
1064 (MASK_STACK_PROBE, MASK_NO_ALIGN_STROPS, MASK_INLINE_ALL_STROPS)
1065 (MASK_NO_PUSH_ARGS, MASK_ACCUMULATE_OUTGOING_ARGS, MASK_MMX)
1066 (MASK_SSE, MASK_SSE2, MASK_SSE3, MASK_3DNOW, MASK_3DNOW_A)
1067 (MASK_128BIT_LONG_DOUBLE, MASK_64BIT, MASK_MS_BITFIELD_LAYOUT)
1068 (MASK_TLS_DIRECT_SEG_REFS, MASK_NO_RED_ZONE, TARGET_80387)
1069 (TARGET_RTD, TARGET_ALIGN_DOUBLE, TARGET_PUSH_ARGS)
1070 (TARGET_ACCUMULATE_OUTGOING_ARGS, TARGET_SVR3_SHLIB, TARGET_IEEE_FP)
1071 (TARGET_128BIT_LONG_DOUBLE, TARGET_NO_FANCY_MATH_387)
1072 (TARGET_USE_FANCY_MATH_387, TARGET_OMIT_LEAF_FRAME_POINTER)
1073 (TARGET_DEBUG_ADDR, TARGET_DEBUG_ARG): Delete.
1074 (TARGET_FLOAT_RETURNS_IN_80387): Make an alias of TARGET_FLOAT_RETURNS.
1075 (TARGET_64BIT): Undef before redefining.
1076 (TARGET_TLS_DIRECT_SEG_REFS, TARGET_STACK_PROBE)
1077 (TARGET_ALIGN_STRINGOPS, TARGET_INLINE_ALL_STRINGOPS, TARGET_SSE)
1078 (TARGET_SSE2, TARGET_SSE3, TARGET_MMX, TARGET_3DNOW, TARGET_3DNOW_A)
1079 (TARGET_RED_ZONE, TARGET_USE_MS_BITFIELD_LAYOUT, TARGET_SWITCHES)
1080 (TARGET_OPTIONS, SUBTARGET_SWITCHES, SUBTARGET_OPTIONS)
1081 (ix86_fpmath_string, ix86_tls_dialect_string, ix86_cmodel_string)
1082 (ix86_asm_string, ix86_regparm, ix86_regparm_string)
1083 (ix86_preferred_stack_boundary_string, ix86_branch_cost_string)
1084 (ix86_debug_arg_string, ix86_debug_addr_string)
1085 (ix86_align_loops_string, ix86_align_jumps_string)
1086 (ix86_align_funcs_string): Delete.
1087 * config/i386/cygming.h (MASK_NOP_FUN_DLLIMPORT)
1088 (TARGET_NOP_FUN_DLLIMPORT, SUBTARGET_SWITCHES): Delete.
1089 * config/i386/djgpp.h (MASK_BNU210, SUBTARGET_SWITCHES): Delete.
1090 (SUBTARGET_OVERRIDE_OPTIONS): Check TARGET_BNU210.
1091 * config/i386/lynx.h (SUBTARGET_SWITCHES): Delete.
1092 * config/i386/sco5.h (MASK_COFF, TARGET_ELF)
1093 (SUBTARGET_SWITCHES): Delete.
1094 * config/i386/i386.c (ix86_debug_arg_string): Delete.
1095 (ix86_debug_addr_string): Delete.
1096 (ix86_cmodel_string, ix86_asm_string, ix86_tls_dialect_string)
1097 (ix86_fpmath_string, ix86_regparm_string, ix86_regparm)
1098 (ix86_align_loops_string, ix86_align_jumps_string)
1099 (ix86_preferred_stack_boundary_string, ix86_branch_cost_string)
1100 (ix86_align_funcs_string): Make static.
1101 (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
1102 (ix86_handle_option): New function.
1103 (TARGET_USE_MS_BITFIELD_LAYOUT): Delete.
1104 (ix86_ms_bitfield_layout_p): Check TARGET_MS_BITFIELD_LAYOUT.
1105 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Remove handling
1106 of darwin_fix_and_continue_switch.
1107 (darwin_one_byte_bool): Delete.
1108 * config/rs6000/lynx.h (EXTRA_SUBTARGET_SWITCHES): Delete.
1109 * config/rs6000/rs6000.c (rs6000_override_options): Update assignment
1110 to darwin_one_byte_bool.
1111 * config/darwin.opt, config/lynx.opt, config/i386/cygming.opt,
1112 * config/i386/djgpp.opt, config/i386/i386.opt,
1113 * config/i386/sco5.opt: New files.
1114
1115 2005-04-21 Eric Botcazou <ebotcazou@libertysurf.fr>
1116
1117 * config/sparc/sparc.c (reg_or_0_operand, const1_operand,
1118 fp_zero_operand, fp_register_operand, intreg_operand,
1119 fcc_reg_operand, fcc0_reg_operand, icc_or_fcc_reg_operand,
1120 call_operand, call_operand_address, tgd_symbolic_operand,
1121 tld_symbolic_operand, tie_symbolic_operand, tle_symbolic_operand,
1122 symbolic_operand, symbolic_memory_operand, label_ref_operand,
1123 sp64_medium_pic_operand, data_segment_operand,
1124 text_segment_operand, splittable_symbolic_memory_operand,
1125 reg_or_nonsymb_mem_operand, splittable_immediate_memory_operand,
1126 eq_or_neq, normal_comp_operator, noov_compare_op,
1127 noov_compare64_op, v9_regcmp_op, extend_op, cc_arithop,
1128 cc_arithopn, arith_operand, arith_4096_operand, arith_add_operand,
1129 const64_operand, const64_high_operand, arith11_operand,
1130 arith10_operand, arith_double_operand, arith_double_4096_operand,
1131 arith_double_add_operand, arith11_double_operand,
1132 arith10_double_operand, small_int, small_int_or_double,
1133 uns_small_int, uns_arith_operand, clobbered_register,
1134 input_operand, compare_operand): Delete.
1135 (sparc_emit_set_const32): Use predicates in assertion. Remove special
1136 code for TARGET_ARCH64 && HOST_BITS_PER_WIDE_INT != 64.
1137 (sparc_emit_set_const64): Call gcc_unreachable if H_B_P_W_I == 32.
1138 (GEN_HIGHINT64, GEN_INT64): Delete.
1139 (sparc_emit_set_safe_HIGH64, gen_safe_SET64, gen_safe_OR64,
1140 gen_safe_XOR64): Adjust for above deletion.
1141 (sparc_emit_set_const64): Support only H_B_P_W_I == 64 and CONST_INTs.
1142 Use 'unsigned HOST_WIDE_INT' instead of 'long' for bitmask.
1143 (legitimate_constant_p): Use const_zero_operand instead.
1144 (sparc_extra_constraint_check): Likewise.
1145 * config/sparc/sparc.h (CONST_DOUBLE_OK_FOR_LETTER_P): Remove 'O'.
1146 (PREFERRED_RELOAD_CLASS): Use const_zero_operand.
1147 (PREDICATE_CODES): Delete.
1148 * config/sparc/sparc.md: Include predicates.md.
1149 (All patterns): Adjust for new predicate names.
1150 (cmpdi, cmpdi_sp64): Use arith_operand predicate.
1151 (movhi_const64_special, movsi_const64_special): Add 'K' constraint.
1152 (movdi): Use general_operand predicate.
1153 (movdi_sp64_dbl): Delete.
1154 (movdi_const64_special): Add 'N' constraint.
1155 (movdicc): Use arith10_operand predicate.
1156 (movdi_cc_sp64, movdi_cc_sp64_trunc): Use arith11_operand predicate.
1157 (movdi_cc_reg_sp64): Use arith10_operand predicate.
1158 (movdi_cc_reg_sp64_trunc): Delete.
1159 (cmp_zero_extract, cmp_zero_extract_sp64): Use small_int_operand.
1160 (adddi3_sp64, cmp_ccx_plus, cmp_ccx_plus_set): Use arith_operand.
1161 (subdi3_sp32): Delete.
1162 (subdi3_insn_sp32): Change to define_insn_and_split.
1163 (subdi3_sp64, cmp_minus_ccx, cmp_minus_ccx_set): Use arith_operand.
1164 (muldi3, muldi3_sp64, muldi3_v8plus): Likewise.
1165 (smulsi3_highpart_v8plus, const_smulsi3_highpart_v8plus,
1166 umulsi3_highpart_v8plus, const_umulsi3_highpart_v8plus): Use
1167 small_int_operand predicate.
1168 (divdi3, udivdi3): Use arith_operand predicate.
1169 (udivsi3, udivsi3_sp32, udivsi3_sp64): Use nonimmediate_operand.
1170 (and<V64I>3_sp64, ior<V64I>3_sp64, xor<V64I:mode>3_sp64,
1171 xor_not_<V64I:mode>_sp64) : Use arith_operand predicate.
1172 (xordi3_sp64_dbl): Delete.
1173 (cmp_ccx_arith_op, cmp_ccx_arith_op_set, cmp_ccx_xor_not,
1174 cmp_ccx_xor_not_set, cmp_ccx_arith_op_not, cmp_ccx_arith_op_not_set,
1175 cmp_ccx_neg, cmp_ccx_set_neg, one_cmpl<V64I>2_sp64, cmp_ccx_not,
1176 cmp_ccx_set_not): Use arith_operand predicate.
1177 (ashrsi3_extend2, lshrsi3_extend2 et al.): Use small_int_operand.
1178 * config/sparc/predicates.md: New file.
1179
1180 2005-04-21 Kazu Hirata <kazu@cs.umass.edu>
1181
1182 PR tree-optimization/14846
1183 * fold-const.c (fold_single_bit_test_into_sign_test): New,
1184 split out from ...
1185 (fold_single_bit_test): ... here.
1186 (fold_binary): Call fold_single_bit_test_into_sign_test
1187 instead of fold_single_bit_test.
1188
1189 2005-04-20 James E Wilson <wilson@specifixinc.com>
1190
1191 PR c++/20805
1192 * dwarf2out.c (gen_variable_die): Don't emit a specification if this
1193 is another declaration.
1194
1195 2005-04-21 Hans-Peter Nilsson <hp@axis.com>
1196
1197 * config/cris/predicates.md: New file.
1198 * config/cris/cris-protos.h (cris_store_multiple_op_p)
1199 (cris_movem_load_rest_p): Declare.
1200 * config/cris/cris.c (cris_store_multiple_op): Return bool, not int.
1201 (cris_movem_load_rest_p): Ditto. Globalize.
1202 (cris_bdap_operand, cris_bdap_biap_operand,
1203 cris_orthogonal_operator, cris_commutative_orth_op,
1204 cris_operand_extend_operator,
1205 cris_additive_operand_extend_operator, cris_extend_operator,
1206 cris_plus_or_bound_operator, cris_mem_op,
1207 cris_general_operand_or_symbol,
1208 cris_general_operand_or_gotless_symbol,
1209 cris_general_operand_or_plt_symbol, cris_mem_call_operand,
1210 cris_load_multiple_op): Remove predicate functions.
1211 (cris_symbol, cris_gotless_symbol) <case UNSPEC>: Return 0, don't
1212 abort, for UNSPECs other than CRIS_UNSPEC_PLT.
1213 * config/cris/cris.h (PREDICATE_CODES): Don't define.
1214 * config/cris/cris.md: Include predicates.md.
1215 ("call", "call_value"): Generate CONSTs of Pmode, not VOIDmode.
1216
1217 2005-04-20 Ian Lance Taylor <ian@airs.com>
1218
1219 * c-common.def: Remove STMT_EXPR (moved to cp/cp-tree.def).
1220 * c-common.h (STMT_EXPR_STMT): Don't define.
1221 (STMT_EXPR_NO_SCOPE): Don't define.
1222 * c-dump.c (c_dump_tree): Don't handle STMT_EXPR.
1223 * c-pretty-print.c (pp_c_primary_expression): Likewise.
1224 (pp_c_expression): Likewise.
1225
1226 2005-04-20 Richard Henderson <rth@redhat.com>
1227
1228 PR target/21100
1229 * config/i386/mmx.md (push<MMXMODE>1): Fix predicate thinko.
1230
1231 2005-04-20 Jeff Law <law@redhat.com>
1232
1233 * reload1.c (reload): Ignore equivalences between pseudos and
1234 read only memory.
1235
1236 2005-04-20 Joseph S. Myers <joseph@codesourcery.com>
1237
1238 PR c/12913
1239 * c-tree.h (struct c_label_list): Update comment.
1240 (struct c_label_context): Rename to struct c_label_context_se.
1241 (label_context_stack): Rename to label_context_stack_se.
1242 (C_DECL_UNJUMPABLE_VM, C_DECL_UNDEFINABLE_VM, struct
1243 c_label_context_vm, label_context_stack_vm, c_begin_vm_scope,
1244 c_end_vm_scope): New.
1245 (C_DECL_DECLARED_BUILTIN, C_DECL_USED): Use FUNCTION_DECL_CHECK.
1246 * c-decl.c (pop_scope): Call c_end_vm_scope.
1247 (pushdecl): Call c_begin_vm_scope for variably modified
1248 declarations.
1249 (define_label): Check for jumping into scope of identifier with
1250 variably modified type. Push label on stack for those defined at
1251 current context of identifiers with variably modified type.
1252 (start_function): Create stack level for context of identifiers
1253 with variably modified type.
1254 (finish_function): Pop stack level for context of identifiers with
1255 variably modified type.
1256 * c-typeck.c (label_context_stack): Rename to
1257 label_context_stack_se.
1258 (label_context_stack_vm, c_begin_vm_scope, c_end_vm_scope): New.
1259 (c_finish_goto_label): Check for jumping into scope of identifier
1260 with variably modified type. Push label on stack for those jumped
1261 to from current context of identifiers with variably modified
1262 type.
1263 (struct c_switch): Add blocked_vm.
1264 (c_start_case): Initialize blocked_vm.
1265 (do_case): Check blocked_vm.
1266 (c_finish_case): Add comment.
1267 (c_begin_stmt_expr, c_finish_stmt_expr): Update for renamed
1268 variable label_context_stack.
1269
1270 2005-04-20 Kazu Hirata <kazu@cs.umass.edu>
1271
1272 * tree-ssa-phiopt.c (tree_ssa_phi_opt): Update calls to
1273 conditional_replacement, value_replacement, abs_replacement,
1274 minmax_replacement.
1275 (replace_phi_edge_with_variable): Remove argument BB.
1276 (conditional_replacement, value_replacement,
1277 minmax_replacement, abs_replacement): Remove argument PHI_BB.
1278 Update a call to replace_phi_edge_with_variable.
1279
1280 * tree-ssa-phiopt.c: Fix comments.
1281
1282 2005-04-20 Michael Matz <matz@suse.de>
1283
1284 PR20973
1285 * reload.c (push_reload, find_dummy_reload): Check for uninitialized
1286 pseudos.
1287
1288 2005-04-20 Kazu Hirata <kazu@cs.umass.edu>
1289
1290 * tree-ssa-phiopt.c: Fix comment typos.
1291
1292 PR tree-optimization/21116
1293 * tree-ssa-phiopt.c: Fix a typo.
1294
1295 2005-04-19 Richard Henderson <rth@redhat.com>
1296
1297 * builtins.c (expand_builtin_sync_operation): Revert last change.
1298 * optabs.c (expand_bool_compare_and_swap): Compare vs old value,
1299 not vs new value.
1300 (expand_compare_and_swap_loop): Likewise.
1301 (expand_sync_operation): Remove fallback from NAND to AND; invert
1302 memory operand when expanding from cmpxchg.
1303 (expand_sync_fetch_operation): Likewise.
1304 * doc/extend.texi (Atomic Builtins): Fix docs for nand and
1305 compare-and-swap.
1306
1307 * config/alpha/alpha.c (alpha_split_atomic_op): Invert memory operand
1308 when implementing NAND. Fix double-add for AFTER.
1309 * config/alpha/sync.md (sync_nand<I48MODE>): Invert memory operand.
1310 (sync_old_nand<I48MODE>, sync_new_nand<I48MODE>): Likewise.
1311 (sync_compare_and_swap<I48MODE>): Fix compare vs zero. Return old
1312 memory value.
1313 (sync_lock_test_and_set<I48MODE>): Remove extra label and last
1314 memory barrier.
1315
1316 * config/i386/sync.md (sync_compare_and_swap<IMODE>): Fix pattern
1317 to return old memory value.
1318 (sync_compare_and_swap_cc<IMODE>): Likewise.
1319
1320 * config/ia64/ia64.c (ia64_dependencies_evaluation_hook): Early
1321 return pre-reload. Don't consider output or anti dependencies.
1322 * config/ia64/sync.md (IMODE): New.
1323 (modesuffix): Add QI and HI.
1324 (memory_barrier): Simplify expansion.
1325 (sync_compare_and_swap<IMODE>): Use IMODE, not I48MODE.
1326 (cmpxchg_acq_<IMODE>): Likewise.
1327 (sync_lock_test_and_set<IMODE>): Likewise.
1328 (sync_lock_release<IMODE>): Likewise.
1329
1330 2005-04-19 James A. Morrison <phython@gcc.gnu.org>
1331
1332 * fold-const.c (fold_binary): Fold ~(X ^ Y) to ~X ^ Y or X ^ ~Y if
1333 ~X or ~Y simplify.
1334
1335 2005-04-19 James A. Morrison <phython@gcc.gnu.org>
1336
1337 * fold-const (fold_binary): Fold ~X ^ ~ Y to X ^ Y.
1338
1339 2005-04-20 Michael Pogue <michael.pogue@sun.com>
1340 Joseph S. Myers <joseph@codesourcery.com>
1341
1342 * c.opt (Wint-to-pointer-cast, Wpointer-to-int-cast): New options.
1343 * c-typeck.c (build_c_cast): Check these options.
1344 * doc/invoke.texi: Document these options.
1345
1346 2005-04-20 Kazu Hirata <kazu@cs.umass.edu>
1347
1348 * tree-ssa-phiopt.c: Update a comment about the pass.
1349
1350 2005-04-19 Kazu Hirata <kazu@cs.umass.edu>
1351
1352 * tree-ssa-phiopt.c, config/arm/arm.c, config/fr30/fr30.md,
1353 config/mcore/mcore.c: Fix comment typos.
1354
1355 2005-04-19 Daniel Jacobowitz <dan@codesourcery.com>
1356
1357 * Makefile.in (libgcc.mk): Pass GCC_FOR_TARGET.
1358 * mklibgcc.in: Use $GCC_FOR_TARGET instead of ./xgcc.
1359
1360 2005-04-19 Paul Brook <paul@codesourcery.com>
1361
1362 * config/arm/arm.c (arm_init_libfuncs): Clear mod optabs.
1363
1364 2005-04-19 Andrew Haley <aph@redhat.com>
1365
1366 PR java/21022
1367 * dbxout.c (dbxout_type_fields): Check DECL_IGNORED_P before
1368 looking at a field's bitpos.
1369
1370 2005-04-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1371
1372 * system.h (fopen, fdopen, freopen): Define these to the unlocked
1373 libiberty functions.
1374
1375 2005-04-19 Kazu Hirata <kazu@cs.umass.edu>
1376
1377 PR tree-optimization/21096
1378 * tree-ssa-copy.c (fini_copy_prop): Free cached_last_copy_of.
1379
1380 2005-04-19 Alan Modra <amodra@bigpond.net.au>
1381
1382 PR target/21098
1383 * config/rs6000/rs6000.c (rs6000_elf_end_indicate_exec_stack): New.
1384 * config/rs6000/linux64.h (TARGET_ASM_FILE_END): Use the above.
1385
1386 2005-04-19 Alexandre Oliva <aoliva@redhat.com>
1387
1388 * tree-cfg.c (dump_function_to_file): Use cfun info only if it
1389 refers to the function being dumped.
1390
1391 2005-04-18 Daniel Jacobowitz <dan@codesourcery.com>
1392
1393 * varasm.c (assemble_start_function): Remove reset of in_section.
1394
1395 2005-04-18 James A. Morrison <phython@gcc.gnu.org>
1396
1397 PR tree-optimization/21085
1398 * fold-const (fold_binary): Don't change X % -C to X % C if C has
1399 overflowed.
1400
1401 2005-04-19 Ben Elliston <bje@au.ibm.com>
1402
1403 * doc/invoke.texi (Optimize Options): Refer to the correct
1404 optimisation flag -ftree-dominator-opts, not -ftree-dom.
1405
1406 2005-04-18 Christopher Jaillet <christophe.jaillet@wanadoo.fr>
1407
1408 * config/rs6000/rs6000.c (machopic_output_stub): Increase
1409 alloca argument to be big enough.
1410
1411 2005-04-18 Alexandre Oliva <aoliva@redhat.com>
1412
1413 PR middle-end/21049
1414 * tree-cfg.c (dump_function_to_file): Do not crash if cfun or
1415 cfun->cfg are NULL.
1416
1417 2005-04-18 Tom Tromey <tromey@redhat.com>
1418
1419 * cgraphunit.c (cgraph_finalize_compilation_unit): Fix a comment
1420 typo.
1421
1422 2005-04-18 Richard Henderson <rth@redhat.com>
1423
1424 * config/alpha/alpha.c (alpha_split_atomic_op): New.
1425 (alphaev5_insn_pipe): Add LD_L, ST_C, MB types.
1426 (alphaev4_insn_pipe): Likewise. Correct IST and LDSYM pipes.
1427 * config/alpha/alpha-protos.h: Update.
1428 * config/alpha/alpha.md (UNSPECV_MB, UNSPECV_LL, UNSPECV_SC): New.
1429 (UNSPECV_ATOMIC, UNSPECV_CMPXCHG, UNSPECV_XCHG): New.
1430 (attr type): Add ld_l, st_c, mb.
1431 (andsi_internal, andnotsi3, iorsi_internal, one_cmplsi_internal,
1432 iornotsi3, xorsi_internal, xornotsi3): New.
1433 * config/alpha/ev4.md (ev4_ld): Add ld_l.
1434 (ev4_ist_c, ev4_mb): New.
1435 * config/alpha/ev5.md (ev5_st): Add st_c, mb.
1436 (ev5_ld_l): New.
1437 * config/alpha/ev6.md (ev6_ild): Add ld_l.
1438 (ev6_ist): Add st_c.
1439 (ev6_mb): New.
1440 * config/alpha/sync.md: New file.
1441
1442 2005-04-18 Richard Henderson <rth@redhat.com>
1443
1444 * builtins.c (expand_builtin_sync_operation): Fold nand to and
1445 for constants.
1446
1447 * optabs.c (expand_sync_operation): Fix typo expanding nand to and.
1448
1449 2005-04-18 Devang Patel <dpatel@apple.com>
1450
1451 * config/rs6000/atlivec.md (mulv4si3): New pattern.
1452
1453 2005-04-18 James A. Morrison <phython@gcc.gnu.org>
1454
1455 PR tree-optimization/20922
1456 * fold-const.c (fold_binary): Fold X - c > X and X + c < X to false.
1457 Fold X + c >= X and fold X - c <= X to true.
1458
1459 2005-04-18 James A. Morrison <phython@gcc.gnu.org>
1460
1461 * config/ia64/unwind-ia64.c (emergency_reg_state_free): Make an
1462 unsigned int.
1463 (emergency_labeled_state_free): Likewise.
1464
1465 2005-04-18 Nick Clifton <nickc@redhat.com>
1466
1467 * config/h8300/h8300.md (jump): Remove prescan parameter from
1468 calls to final_scan_insn.
1469
1470 * config/arc/arc.c (arc_output_function_epilogue): Remove prescan
1471 parameter from calls to final_scan_insn.
1472
1473 * config.gcc (m68hc12): Use the m68hc11.opt file for target
1474 specific options.
1475 (v850e, v850e1): Use the v850.opt file for target specific
1476 options.
1477
1478 2005-04-18 Kazu Hirata <kazu@cs.umass.edu>
1479
1480 PR tree-optimization/21001
1481 * tree-optimize.c (init_tree_optimization_passes): Move the
1482 first pass_forwprop immediately before pass_vrp.
1483
1484 2005-04-17 Ian Lance Taylor <ian@airs.com>
1485
1486 * c-common.def (SIZEOF_EXPR, ARROW_EXPR, ALIGNOF_EXPR): Remove.
1487 * c-common.c (c_sizeof_or_alignof_type): Change second parameter
1488 from enum tree_code op to bool is_sizeof.
1489 * c-common.h (c_sizeof_or_alignof_type): Update declaration.
1490 (c_sizeof, c_alignof): Update calls to c_sizeof_or_alignof_type.
1491 * c-pretty-print.c (pp_c_postfix_expression): Remove ARROW_EXPR
1492 case.
1493 (pp_c_unary_expression): Remove SIZEOF_EXPR and ALIGNOF_EXPR
1494 cases.
1495 (pp_c_expression): Remove ARROW_EXPR, SIZEOF_EXPR, and
1496 ALIGNOF_EXPR cases.
1497
1498 2005-04-17 Ian Lance Taylor <ian@airs.com>
1499
1500 * system.h: Poison DONT_ACCESS_GBLS_AFTER_EPILOGUE.
1501
1502 2005-04-17 Richard Henderson <rth@redhat.com>
1503
1504 * config/alpha/alpha.c (va_list_skip_additions): Only define if
1505 TARGET_ABI_OSF.
1506 (TARGET_STDARG_OPTIMIZE_HOOK): Likewise.
1507 (alpha_stdarg_optimize_hook): Likewise. Allow for one more round
1508 of indirection through ssa names while looking for the gpr counter
1509 field.
1510 (alpha_setup_incoming_varargs) <TARGET_ABI_OSF>: Make use of the
1511 saved va_list_gpr_size and va_list_fpr_size.
1512
1513 2005-04-17 Kazu Hirata <kazu@cs.umass.edu>
1514
1515 * tree-vrp.c (compare_values): Check that VAL1 and VAL2 are
1516 both pointers or both integers.
1517
1518 * tree-vrp.c (maybe_add_assert_expr): Don't assert
1519 ASSERT_EXPRs for single-use variable.
1520
1521 * tree-into-ssa.c: Fix a comment typo.
1522
1523 2005-04-17 Richard Sandiford <rsandifo@redhat.com>
1524
1525 * config/mips/iris6.h (DRIVER_SELF_SPECS): Check -march as well as
1526 -mipsN before forcing a default of -mips2.
1527
1528 2005-04-17 Kazu Hirata <kazu@cs.umass.edu>
1529
1530 * predict.h (IS_TAKEN): Remove.
1531 * rtl.h (NOTE_PREDICTION): Likewise.
1532
1533 * modulo-sched.c (CFG_HOOKS): Remove.
1534
1535 * c-parser.c (N_C_TTYPES): Remove.
1536
1537 * tree-flow-inline.h (get_stmt_operands): Remove.
1538 * lambda-code.c, tree-ssa-loop-unswitch.c,
1539 tree-ssa-operands.c, tree-ssa-pre.c, tree-ssa-propagate.c,
1540 tree-ssa-sink.c, tree-ssa.c, tree-tailcall.c,
1541 tree-vect-transform.c, tree-vectorizer.c, tree-vrp.c): Remove
1542 calls to get_stmt_operands.
1543 * doc/tree-ssa.texi: Don't mention get_stmt_operands.
1544
1545 2005-04-17 Richard Henderson <rth@redhat.com>
1546
1547 PR target/20375
1548 * config/alpha/alpha.c (alpha_setup_incoming_varargs): Advance a copy
1549 of CUMULATIVE_ARGS past the last named argument.
1550 (alpha_va_start): Expect pretend_args_size only if strictly less than
1551 6 named arguments.
1552
1553 2005-04-17 Kazu Hirata <kazu@cs.umass.edu>
1554
1555 PR middle-end/21024
1556 * builtins.c (expand_builtin_strcat): Convert the result of
1557 strlen to the right type.
1558 * fold-const.c (fold_binary) <PLUS_EXPR>: Use fold_convert to
1559 avoid creating type mismatches.
1560 <GE_EXPR>: Pass op0 and op1 to fold_build2 to avoid creating
1561 type mismatches.
1562
1563 * c-lex.c (WCHAR_TYPE_SIZE, WCHAR_BYTES): Remove.
1564
1565 2005-04-16 Richard Henderson <rth@redhat.com>
1566
1567 PR target/21051
1568 * builtins.c (expand_builtin) <BUILT_IN_BOOL_COMPARE_AND_SWAP_*>:
1569 Use the mode of boolean_type_node when the user doesn't provide one.
1570 * config/ia64/sync.md (sync_lock_release<I48MODE>): Use operand 1.
1571
1572 2005-04-16 Alexandre Oliva <aoliva@redhat.com>
1573
1574 PR target/20126
1575 * loop.c (loop_givs_rescan): Handle non-replaceable (plus (reg)
1576 (const)).
1577
1578 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Fix typo in
1579 comment.
1580
1581 2005-04-16 Roger Sayle <roger@eyesopen.com>
1582 Steven Bosscher <stevenb@suse.de>
1583
1584 * fold-const.c (fold_binary_to_constant): Delete obsolete comment.
1585 (fold_unary_to_constant): Likewise.
1586
1587 2005-04-16 Kazu Hirata <kazu@cs.umass.edu>
1588
1589 * basic-block.h: Adjust the value of PROP_SCAN_DEAD_STORES,
1590 PROP_ASM_SCAN.
1591
1592 2005-04-16 Gerald Pfeifer <gerald@pfeifer.com>
1593
1594 * doc/install.texi (Specific): Avoid using asterisks in @anchor
1595 names related to target triplets.
1596 Remove i?86-*-esix from platform directory.
1597 Remove powerpc-*-eabiaix from platform directory.
1598
1599 2005-04-16 Joseph S. Myers <joseph@codesourcery.com>
1600
1601 PR middle-end/20491
1602 * config/ia64/ia64.c (rtx_needs_barrier): Recurse instead of
1603 falling through from SUBREG case to REG.
1604
1605 2005-04-15 Roger Sayle <roger@eyesopen.com>
1606
1607 * fold-const.c (fold_relational_hi_lo): Delete function and prototype.
1608 (fold_binary): Update comment mentioning fold_relational_hi_lo.
1609 (fold_binary_to_constant): Simplify using fold_binary.
1610 (fold_unary_to_constant): Likewise, simplify using fold_unary.
1611
1612 2005-04-15 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1613
1614 * gthr-posix.c (pthread_cancel): Define.
1615 (pthread_mutexattr_init): Likewise.
1616 (pthread_mutexattr_settype): Likewise.
1617 (pthread_mutexattr_destroy): Likewise.
1618
1619 2005-04-15 David S. Miller <davem@davemloft.net>
1620
1621 PR target/20673
1622 * config/sparc/sparc.h (sparc_hard_reg_printed): Mark as GTY(()).
1623
1624 2005-04-15 Kazu Hirata <kazu@cs.umass.edu>
1625
1626 PR tree-optimization/21031
1627 * tree-ssa-forwprop.c (ssa_name_defined_by_comparison_p): New.
1628 (forward_propagate_into_cond_1): Call it. Forward propagate
1629 integer-integer casts into COND_EXPRs.
1630
1631 2005-04-15 Dave Korn <dave.korn@artimi.com>
1632
1633 * gcc.c (default_compilers): Clarify obscure error message when
1634 reading from standard input.
1635
1636 2005-04-15 Kazu Hirata <kazu@cs.umass.edu>
1637
1638 * basic-block.h (PROP_EQUAL_NOTES): Remove.
1639 * flow.c (propagate_one_insn): Don't use PROP_EQUAL_NOTES.
1640
1641 * tree-ssa-alias.c (init_alias_info): Remove a call to
1642 get_stmt_operands.
1643
1644 2005-04-15 Andrew MacLeod <amacleod@redhat.com>
1645
1646 * tree-vect-analyze.c (vect_stmt_relevant_p): Process immediate uses
1647 of non-virtual PHI nodes like we use to.
1648
1649 2005-05-15 Paolo Bonzini <bonzini@gnu.org>
1650
1651 * genattrtab.c (ATTR_EQ_ATTR_P): Remove.
1652 (attr_copy_rtx): Do not use it.
1653
1654 2005-04-15 Andrew Macleod <amacleod@redhat.com>
1655
1656 * doc/tree-ssa.texi: Grammer/abbreviation updates.
1657
1658 2005-04-15 Diego Novillo <dnovillo@redhat.com>
1659
1660 * tree-vect-transform.c (vectorizable_store): Mark necessary
1661 objects in the vectorized store needing renaming. Update the
1662 SSA graph for V_MAY_DEF operands in the original store.
1663
1664 2005-04-14 Daniel Berlin <dberlin@dberlin.org>
1665
1666 * tree-ssa-pre.c (compute_avail): It's okay to have
1667 TREE_INVARIANT's here, and value number the resulting expressions.
1668 (create_expression_by_pieces): Make sure operands that were
1669 min_invariant when we started, stay that way.
1670
1671 2005-04-15 David Edelsohn <edelsohn@gnu.org>
1672
1673 * doc/install.texi (*-ibm-aix*): Add comment about system limits.
1674
1675 2005-04-15 Kazu Hirata <kazu@cs.umass.edu>
1676
1677 PR tree-optimization/20936.
1678 * tree-ssa-ccp.c (visit_assignment): Fix a typo.
1679
1680 2005-04-15 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1681
1682 * doc/invoke.texi: Fix typos.
1683 * doc/md.texi: Likewise.
1684 * doc/rtl.texi: Likewise.
1685 * doc/sourcebuild.texi: Likewise.
1686 * doc/tm.texi: Likewise.
1687
1688 2005-04-15 Uros Bizjak <uros@kss-loka.si>
1689
1690 PR tree-optimization/21004
1691 * convert.c (convert_to_integer): Convert ceilf, ceill, floorf
1692 and floorl in c99 mode only.
1693 * builtins.c (expand_builtin_int_roundingfn): Assert that
1694 fallback_fndecl is not NULL_TREE.
1695
1696 2005-04-15 Kazu Hirata <kazu@cs.umass.edu>
1697
1698 * cfgrtl.c (purge_all_dead_edge): Remove an unused argument.
1699 * basic-block.h: Update the prototype for
1700 purge_all_dead_edges.
1701 * cfgexpand.c (tree_expand_cfg): Update a call to
1702 purge_all_dead_edges.
1703 * combine.c (combine_instructions): Likewise.
1704 * passes.c (rest_of_handle_old_regalloc, rest_of_handle_cse,
1705 rest_of_handle_cse2, rest_of_handle_gcse,
1706 rest_of_handle_postreload): likewise.
1707
1708 2005-04-15 Alexandre Oliva <aoliva@redhat.com>
1709
1710 PR middle-end/20739
1711 * gimplify.c (gimplify_addr_expr): Compensate for removal of
1712 e.g. cv-qualification conversions.
1713
1714 2005-04-14 Mike Stump <mrs@apple.com>
1715
1716 * config/darwin-c.c (framework_construct_pathname): We must
1717 find all headers of a framework in the first instance of it
1718 found in the seach path.
1719
1720 2005-04-14 Kazu Hirata <kazu@cs.umass.edu>
1721
1722 PR tree-optimization/21021
1723 * tree-vrp.c (compare_values): Work around a bug in the front
1724 end that produces a comparison of mismatched types.
1725
1726 2004-04-14 Richard Henderson <rth@redhat.com>
1727
1728 * config/ia64/ia64.h (enum fetchop_code): Remove.
1729 (enum ia64_builtins): Move ...
1730 * config/ia64/ia64.c (enum ia64_builtins): ... here. Remove all
1731 members except BSP and FLUSHRS.
1732 (ia64_init_builtins): Remove __sync builtins.
1733 (ia64_expand_builtin): Likewise.
1734 (ia64_expand_fetch_and_op, ia64_expand_op_and_fetch): Remove.
1735 (ia64_expand_compare_and_swap, ia64_expand_lock_test_and_set): Remove.
1736 (ia64_expand_lock_release): Remove.
1737 * config/ia64/ia64.md (mf): Move to sync.md.
1738 (mf_internal, fetchadd_acq_si, fetchadd_acq_di, cmpxchg_acq_si,
1739 cmpxchg_acq_di, xchgsi, xchgdi): Likewise.
1740 * config/ia64/sync.md: New file.
1741 (memory_barrier): Rename from mf.
1742 (fetchadd_acq_<I48MODE>): Macroize from _si/_di patterns.
1743 (cmpxchg_acq_<I48MODE>): Likewise.
1744 (sync_lock_test_and_set<I48MODE>): Likewise.
1745
1746 * config/ia64/ia64intrin.h: Define nothing for C; limit #defines
1747 to c++. Remove __sync* declarations. s/_si/_4/. s/_di/_8/.
1748
1749 2004-04-14 Richard Henderson <rth@redhat.com>
1750
1751 * config/i386/i386.c (x86_cmpxchg, x86_xadd): New.
1752 (ix86_compare_emitted): New.
1753 (ix86_expand_compare): Use ix86_compare_emitted if set.
1754 (ix86_expand_setcc): Only emit REG_EQUAL if both ix86_compare_op0
1755 and ix86_compare_op0 are set.
1756 * config/i386/i386.h (x86_cmpxchg, x86_xadd): Declare.
1757 (TARGET_CMPXCHG, TARGET_XADD): New.
1758 (ix86_compare_emitted): Declare.
1759 * config/i386/i386.md: Include sync.md
1760 (UNSPECV_CMPXCHG_1, UNSPECV_CMPXCHG_2): New.
1761 (UNSPECV_XCHG, UNSPECV_LOCK): New.
1762 * config/i386/sync.md: New file.
1763
1764 2004-04-14 Richard Henderson <rth@redhat.com>
1765
1766 PR middle-end/14311
1767 * builtin-types.def (BT_BOOL, BT_VOLATILE_PTR, BT_I1, BT_I2,
1768 BT_I4, BT_I8, BT_FN_VOID_VPTR, BT_FN_I1_VPTR_I1, BT_FN_I2_VPTR_I2,
1769 BT_FN_I4_VPTR_I4, BT_FN_I8_VPTR_I8, BT_FN_BOOL_VPTR_I1_I1,
1770 BT_FN_BOOL_VPTR_I2_I2, BT_FN_BOOL_VPTR_I4_I4, BT_FN_BOOL_VPTR_I8_I8,
1771 BT_FN_I1_VPTR_I1_I1, BT_FN_I2_VPTR_I2_I2, BT_FN_I4_VPTR_I4_I4,
1772 BT_FN_I8_VPTR_I8_I8): New.
1773 * builtins.def (DEF_SYNC_BUILTIN): New.
1774 (BUILT_IN_FETCH_AND_ADD_N, BUILT_IN_FETCH_AND_ADD_1,
1775 BUILT_IN_FETCH_AND_ADD_2, BUILT_IN_FETCH_AND_ADD_4,
1776 BUILT_IN_FETCH_AND_ADD_8, BUILT_IN_FETCH_AND_SUB_N,
1777 BUILT_IN_FETCH_AND_SUB_1, BUILT_IN_FETCH_AND_SUB_2,
1778 BUILT_IN_FETCH_AND_SUB_4, BUILT_IN_FETCH_AND_SUB_8,
1779 BUILT_IN_FETCH_AND_OR_N, BUILT_IN_FETCH_AND_OR_1,
1780 BUILT_IN_FETCH_AND_OR_2, BUILT_IN_FETCH_AND_OR_4,
1781 BUILT_IN_FETCH_AND_OR_8, BUILT_IN_FETCH_AND_AND_N,
1782 BUILT_IN_FETCH_AND_AND_1, BUILT_IN_FETCH_AND_AND_2,
1783 BUILT_IN_FETCH_AND_AND_4, BUILT_IN_FETCH_AND_AND_8,
1784 BUILT_IN_FETCH_AND_XOR_N, BUILT_IN_FETCH_AND_XOR_1,
1785 BUILT_IN_FETCH_AND_XOR_2, BUILT_IN_FETCH_AND_XOR_4,
1786 BUILT_IN_FETCH_AND_XOR_8, BUILT_IN_FETCH_AND_NAND_N,
1787 BUILT_IN_FETCH_AND_NAND_1, BUILT_IN_FETCH_AND_NAND_2,
1788 BUILT_IN_FETCH_AND_NAND_4, BUILT_IN_FETCH_AND_NAND_8,
1789 BUILT_IN_ADD_AND_FETCH_N, BUILT_IN_ADD_AND_FETCH_1,
1790 BUILT_IN_ADD_AND_FETCH_2, BUILT_IN_ADD_AND_FETCH_4,
1791 BUILT_IN_ADD_AND_FETCH_8, BUILT_IN_SUB_AND_FETCH_N,
1792 BUILT_IN_SUB_AND_FETCH_1, BUILT_IN_SUB_AND_FETCH_2,
1793 BUILT_IN_SUB_AND_FETCH_4, BUILT_IN_SUB_AND_FETCH_8,
1794 BUILT_IN_OR_AND_FETCH_N, BUILT_IN_OR_AND_FETCH_1,
1795 BUILT_IN_OR_AND_FETCH_2, BUILT_IN_OR_AND_FETCH_4,
1796 BUILT_IN_OR_AND_FETCH_8, BUILT_IN_AND_AND_FETCH_N,
1797 BUILT_IN_AND_AND_FETCH_1, BUILT_IN_AND_AND_FETCH_2,
1798 BUILT_IN_AND_AND_FETCH_4, BUILT_IN_AND_AND_FETCH_8,
1799 BUILT_IN_XOR_AND_FETCH_N, BUILT_IN_XOR_AND_FETCH_1,
1800 BUILT_IN_XOR_AND_FETCH_2, BUILT_IN_XOR_AND_FETCH_4,
1801 BUILT_IN_XOR_AND_FETCH_8, BUILT_IN_NAND_AND_FETCH_N,
1802 BUILT_IN_NAND_AND_FETCH_1, BUILT_IN_NAND_AND_FETCH_2,
1803 BUILT_IN_NAND_AND_FETCH_4, BUILT_IN_NAND_AND_FETCH_8,
1804 BUILT_IN_BOOL_COMPARE_AND_SWAP_N, BUILT_IN_BOOL_COMPARE_AND_SWAP_1,
1805 BUILT_IN_BOOL_COMPARE_AND_SWAP_2, BUILT_IN_BOOL_COMPARE_AND_SWAP_4,
1806 BUILT_IN_BOOL_COMPARE_AND_SWAP_8, BUILT_IN_VAL_COMPARE_AND_SWAP_N,
1807 BUILT_IN_VAL_COMPARE_AND_SWAP_1, BUILT_IN_VAL_COMPARE_AND_SWAP_2,
1808 BUILT_IN_VAL_COMPARE_AND_SWAP_4, BUILT_IN_VAL_COMPARE_AND_SWAP_8,
1809 BUILT_IN_LOCK_TEST_AND_SET_N, BUILT_IN_LOCK_TEST_AND_SET_1,
1810 BUILT_IN_LOCK_TEST_AND_SET_2, BUILT_IN_LOCK_TEST_AND_SET_4,
1811 BUILT_IN_LOCK_TEST_AND_SET_8, BUILT_IN_LOCK_RELEASE_N,
1812 BUILT_IN_LOCK_RELEASE_1, BUILT_IN_LOCK_RELEASE_2,
1813 BUILT_IN_LOCK_RELEASE_4, BUILT_IN_LOCK_RELEASE_8,
1814 BUILT_IN_SYNCHRONIZE: New.
1815 * builtins.c (called_as_built_in): Rewrite from CALLED_AS_BUILT_IN
1816 as a function. Accept __sync_ as a prefix as well.
1817 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
1818 expand_builtin_lock_test_and_set, expand_builtin_synchronize,
1819 expand_builtin_lock_release): New.
1820 (expand_builtin): Call them.
1821 * c-common.c (DEF_BUILTIN): Don't require __builtin_ prefix if
1822 neither BOTH_P nor FALLBACK_P are defined.
1823 (builtin_type_for_size): New.
1824 (sync_resolve_size, sync_resolve_params, sync_resolve_return): New.
1825 (resolve_overloaded_builtin): New.
1826 * c-common.h (resolve_overloaded_builtin): Declare.
1827 (builtin_type_for_size): Declare.
1828 * c-typeck.c (build_function_call): Invoke resolve_overloaded_builtin.
1829 * expr.c (sync_add_optab, sync_sub_optab, sync_ior_optab,
1830 sync_and_optab, sync_xor_optab, sync_nand_optab, sync_old_add_optab,
1831 sync_old_sub_optab, sync_old_ior_optab, sync_old_and_optab,
1832 sync_old_xor_optab, sync_old_nand_optab, sync_new_add_optab,
1833 sync_new_sub_optab, sync_new_ior_optab, sync_new_and_optab,
1834 sync_new_xor_optab, sync_new_nand_optab, sync_compare_and_swap,
1835 sync_compare_and_swap_cc, sync_lock_test_and_set,
1836 sync_lock_release): New.
1837 * optabs.h: Declare them.
1838 * expr.h (expand_val_compare_and_swap, expand_bool_compare_and_swap,
1839 expand_sync_operation, expand_sync_fetch_operation,
1840 expand_sync_lock_test_and_set): Declare.
1841 * genopinit.c (optabs): Add sync optabs.
1842 * optabs.c (init_optabs): Initialize sync optabs.
1843 (expand_val_compare_and_swap_1, expand_val_compare_and_swap,
1844 expand_bool_compare_and_swap, expand_compare_and_swap_loop,
1845 expand_sync_operation, expand_sync_fetch_operation,
1846 expand_sync_lock_test_and_set): New.
1847 * doc/extend.texi (Atomic Builtins): New section
1848 * doc/md.texi (Standard Names): Add sync patterns.
1849
1850 2005-04-14 Alexandre Oliva <aoliva@redhat.com>
1851
1852 * tree-eh.c (lower_try_finally_copy): Generate new code in
1853 response to goto_queue entries as if the queue was sorted by
1854 index, not pointers.
1855 (lower_try_finally_switch): Likewise.
1856
1857 2005-04-14 Richard Henderson <rth@redhat.com>
1858
1859 * config/i386/i386.c (ix86_expand_sse_cmp): Split out from ...
1860 (ix86_expand_sse_movcc): ... here. Take cmp as a pre-computed
1861 register.
1862 (ix86_expand_fp_movcc): Update to match.
1863 (ix86_expand_fp_vcond, ix86_expand_int_vcond): New.
1864 * config/i386/i386-protos.h: Update.
1865 * config/i386/sse.md (vcondv4sf, vcondv2df): New.
1866 (vcond<SSEMODE124>, vcondu<SSEMODE12>): New.
1867
1868 2005-04-14 Joseph S. Myers <joseph@codesourcery.com>
1869
1870 * doc/cpp.texi, doc/install.texi: Change references to GCC 3.5 to
1871 refer to 4.0.
1872
1873 2005-04-14 Julian Brown <julian@codesourcery.com>
1874
1875 * Revert elfos.h part of my patch from 2005-04-13 for causing libstdc++
1876 link failures on ppc64 Linux.
1877
1878 2005-04-14 Andreas Krebbel <krebbel1@de.ibm.com>
1879
1880 * config.gcc: Set cpu_type for s390.
1881
1882 2005-04-14 Daniel Berlin <dberlin@dberlin.org>
1883
1884 Fix PR tree-optimization/20963
1885 * tree-ssa-pre.c (compute_avail): Remove special case for
1886 TREE_INVARIANT.
1887 (create_expression_by_pieces): Add value numbers for forced out
1888 statements.
1889
1890 2005-04-14 Hans-Peter Nilsson <hp@axis.com>
1891
1892 * config/cris/cris.md: Replace references to (reg:SI 16) with
1893 (reg:SI CRIS_SRP_REGNUM).
1894
1895 2005-04-14 Kazu Hirata <kazu@cs.umass.edu>
1896
1897 PR tree-optimization/20657
1898 * tree-vrp.c (extract_range_from_expr): Notice INTEGER_CST to
1899 create an appropriate range from it.
1900
1901 2005-04-14 Uros Bizjak <uros@kss-loka.si>
1902
1903 * reg-stack.c (subst_stack_regs_pat): Handle <UNSPEC_FIST_FLOOR> and
1904 <UNSPEC_FIST_CEIL> case.
1905
1906 * config/i386/i386.md (UNSPEC_FIST_FLOOR, UNSPEC_FIST_CEIL): New.
1907 (*fist<mode>2_floor_1, fistdi2_floor, fistdi2_floor_with_temp)
1908 (fist<mode>2_floor, fist<mode>2_floor_with_temp): New isns patterns
1909 to implement lfloor and llfloor built-ins as x87 intrinsic function.
1910 (fistdi2_floor, fist<mode>2_floor splitters): New splitters.
1911 (lfloor<mode>2): New expanders.
1912 (*fist<mode>2_ceil_1, fistdi2_ceil, fistdi2_ceil_with_temp)
1913 (fist<mode>2_ceil, fist<mode>2_ceil_with_temp): New isns patterns
1914 to implement lceil and llceil built-ins as x87 intrinsic function.
1915 (fistdi2_ceil, fist<mode>2_ceil splitters): New splitters.
1916 (lceil<mode>2): New expanders.
1917
1918 2005-04-14 Uros Bizjak <uros@kss-loka.si>
1919
1920 * convert.c (convert_to_integer): Convert (long int)trunc{,f,l},
1921 and (long long int)ceil{,f,l} into FIX_TRUNC_EXPR.
1922
1923 2005-04-14 Ulrich Weigand <uweigand@de.ibm.com>
1924
1925 PR target/20927
1926 * config/s390/s390-modes.def: Define TFmode.
1927
1928 2005-04-13 Richard Sandiford <rsandifo@redhat.com>
1929
1930 * config/mips/mips.h (ASM_OUTPUT_CASE_LABEL): Delete.
1931 (JUMP_TABLES_IN_TEXT_SECTION): Define.
1932 * config/mips/mips.c (mips16_insn_length): Remove reference to
1933 JUMP_TABLES_IN_TEXT_SECTION.
1934
1935 2005-04-13 Fariborz Jahanian <fjahanian@apple.com>
1936
1937 * simplify-rtx.c (simplify_binary_operation_1): Return
1938 scalar or vector of constant 0, depending on the xor's
1939 mode.
1940
1941 2005-04-13 Dale Johannesen <dalej@apple.com>
1942
1943 * objc/Make-lang.in (objc-lang.o): Depend on tree-gimple.h.
1944 (objc-act.o): Ditto.
1945 * objc/objc-act.c (objc_gimplify_expr): New.
1946 (objc_get_callee_fndecl): New.
1947 * objc/objc-act.h: Include tree-gimple.h. Declare new functions.
1948 * objc/objc-lang.c (LANG_HOOKS_GIMPLIFY_EXPR): Define.
1949 (LANG_HOOKS_GET_CALLEE_FNDECL): Define.
1950
1951 2005-04-13 Devang Patel <dpatel@apple.com>
1952
1953 * tree-if-conv.c (tree_if_convert_cond_expr): Do not create extra
1954 temp variables.
1955
1956 2005-04-13 Hans-Peter Nilsson <hp@axis.com>
1957
1958 CRIS prologue as RTL.
1959 * config/cris/cris-protos.h (cris_emit_movem_store)
1960 (cris_expand_prologue): Prototype.
1961 * config/cris/cris.c (struct machine_function): New member
1962 stdarg_regs.
1963 (cfa_label_num, cris_target_asm_function_prologue): Remove.
1964 (TARGET_ASM_FUNCTION_PROLOGUE): Don't override.
1965 (cris_general_operand_or_gotless_symbol): Accept CRIS_UNSPEC_GOT.
1966 (cris_load_multiple_op, cris_return_address_on_stack)
1967 (cris_return_address_on_stack_for_return): ISO-Cify.
1968 (cris_store_multiple_op): New predicate function.
1969 (cris_expand_prologue, cris_emit_movem_store): New functions.
1970 (cris_print_operand) <case 'O'>: Handle modifications other than
1971 post-increment.
1972 (cris_symbol, cris_got_symbol): Return 0 for CRIS_UNSPEC_GOT.
1973 (cris_gotless_symbol): Return 1 for CRIS_UNSPEC_GOT.
1974 (cris_gen_movem_load): Rearrange slightly to make local variable
1975 src a parameter, removing osrc.
1976 (cris_setup_incoming_varargs): Set machine_function member
1977 stdarg_regs to correspond to the number of registers that need to
1978 be saved.
1979 * config/cris/cris.h (EXTRA_CONSTRAINT_S): Accept
1980 CRIS_UNSPEC_GOT.
1981 (PREDICATE_CODES): Add cris_store_multiple_op. Make
1982 cris_general_operand_or_gotless_symbol accept UNSPEC.
1983 * config/cris/cris.md (CRIS_UNSPEC_GOT): New constant.
1984 ("*movsi_internal") <alternative 8>: Handle CRIS_UNSPEC_GOT.
1985 ("*cris_store_multiple"): New pattern. Tweak common comment above
1986 this and "*cris_load_multiple".
1987 ("prologue"): New define_expand.
1988
1989 * config/cris/cris.md ("epilogue"): Conditionalize on
1990 TARGET_PROLOGUE_EPILOGUE.
1991
1992 2005-04-13 Steve Ellcey <sje@cup.hp.com>
1993
1994 PR target/20924
1995 * config/ia64/ia64.md (divsf3_internal_lat): Generate frcpa with
1996 fpsr 0 instead of fpsr 1.
1997 (divsf3_internal_thr): Ditto.
1998 (divdf3_internal_lat): Ditto.
1999 (divdf3_internal_thr): Ditto.
2000 (divxf3_internal_lat): Ditto.
2001 (divxf3_internal_thr): Ditto.
2002
2003 2005-04-13 Kazu Hirata <kazu@cs.umass.edu>
2004
2005 PR tree-optimization/20913
2006 * tree-ssa-copy.c (copy_prop_visit_cond_stmt): Fold COND_EXPR.
2007
2008 PR tree-optimization/20702
2009 * tree-vrp.c (maybe_add_assert_expr): Recurse into
2010 dominator children that haven't been walked into.
2011
2012 2005-04-13 Julian Brown <julian@codesourcery.com>
2013
2014 * config/elfos.h (MAKE_DECL_ONE_ONLY): Redefined to stop DECL_WEAK from
2015 being used for symbols with vague linkage when HAVE_GAS_COMDAT_GROUP
2016 is true.
2017
2018 2005-04-13 Kazu Hirata <kazu@cs.umass.edu>
2019
2020 * basic-block.h, tree-ssa-uncprop.c, varasm.c,
2021 config/i386/sse.md: Fix comment typos.
2022
2023 * genattrtab.c (NULL_ATTR): Remove.
2024 * ifcvt.c (NULL_EDGE): Likewise.
2025
2026 * rtl.h (RTX_EXPR_FIRST, RTX_EXPR_LAST): Remove.
2027
2028 * rtl.h (NOTE_PREDICTION_ALG, NOTE_PREDICTION_FLAGS,
2029 NOTE_PREDICT): Remove.
2030
2031 2005-04-13 Eric Botcazou <ebotcazou@libertysurf.fr>
2032
2033 * configure.ac (gcc_AC_CHECK_DECLS): Add vsnprintf.
2034 * configure: Regenerate.
2035 * config.in: Likewise.
2036 * system.h: Declare vsnprintf if not already declared.
2037
2038 2005-04-13 Eric Botcazou <ebotcazou@libertysurf.fr>
2039
2040 * optc-gen.awk: Handle stand-alone Mask records.
2041 * opth-gen.awk: Likewise.
2042 * doc/options.texi (Option file format): Document them.
2043 * config.gcc (sparc-*-netbsdelf*, sparc-*-linux*, sparc64-*-freebsd*,
2044 sparc64-*-linux*, sparc64-*-netbsd*): Add long-double-switch.opt.
2045 (sparc64-*-openbsd*, sparc64-*-elf*): Add little-endian.opt.
2046 * config/sparc/sparc.h (MASK_FPU, MASK_UNALIGNED_DOUBLES,
2047 MASK_V8, MASK_SPARCLITE, MASK_SPARCLET, MASK_V9,
2048 MASK_DEPRECATED_V8_INSNS, MASK_IMPURE_TEXT, MASK_APP_REGS,
2049 MASK_HARD_QUAD, MASK_LITTLE_ENDIAN, MASK_PTR64, MASK_64BIT,
2050 MASK_STACK_BIAS, MASK_FPU_SET, MASK_VIS, MASK_V8PLUS,
2051 MASK_FASTER_STRUCTS, MASK_LONG_DOUBLE_128): Delete.
2052 (TARGET_FPU, TARGET_UNALIGNED_DOUBLES, TARGET_V8, TARGET_SPARCLITE,
2053 TARGET_SPARCLET, TARGET_V9, TARGET_DEPRECATED_V8_INSNS,
2054 TARGET_IMPURE_TEXT, TARGET_APP_REGS, MASK_HARD_QUAD,
2055 TARGET_LITTLE_ENDIAN, TARGET_PTR64, TARGET_64BIT, MASK_STACK_BIAS,
2056 TARGET_FPU_SET, TARGET_VIS, TARGET_V8PLUS, TARGET_FASTER_STRUCTS,
2057 TARGET_LONG_DOUBLE_128): Likewise.
2058 (TARGET_SWITCHES, SUBTARGET_SWITCHES): Likewise.
2059 (TARGET_OPTIONS, SUBTARGET_OPTIONS): Likewise.
2060 * config/sparc/freebsd.h (SUBTARGET_SWITCHES): Likewise.
2061 * config/sparc/linux.h (SUBTARGET_SWITCHES): Likewise.
2062 * config/sparc/linux64.h (SUBTARGET_SWITCHES): Likewise.
2063 * config/sparc/netbsd-elf.h (SUBTARGET_SWITCHES): Likewise.
2064 * config/sparc/sp64-elf.h (SUBTARGET_SWITCHES): Likewise.
2065 * config/sparc/sparc.c (fpu_option_set): New global.
2066 (sparc_handle_option): New function.
2067 (sparc_override_options): Test fpu_option_set.
2068 (TARGET_DEFAULT_TARGET_FLAGS): Set to TARGET_DEFAULT.
2069 (TARGET_HANDLE_OPTION): Set to sparc_handle_option.
2070 * config/sparc/sparc.opt: New file.
2071 * config/sparc/little-endian.opt: Likewise.
2072 * config/sparc/long-double-switch.opt: Likewise.
2073
2074 2005-04-13 Bernd Schmidt <bernd.schmidt@analog.com>
2075
2076 * config/bfin/bfin.c (bfin_lib_id_given): New static variable.
2077 (bfin_handle_options): Set it if -mshared-library-id= is seen.
2078 * config/bfin/bfin.opt (mshared-library-id=): Lose
2079 Var(bfin_lib_id_given).
2080
2081 2005-04-13 Matt Thomas <matt@3am-software.com>
2082
2083 * config/rs6000/sysv4.h (NO_IMPLICIT_EXTERN_C): undefine before
2084 defining.
2085
2086 2005-04-13 Kazu Hirata <kazu@cs.umass.edu>
2087
2088 * rtl.h (CLEAR_RTX_FLAGS): Remove.
2089
2090 * cgraphunit.c (INSNS_PER_CALL): Remove.
2091
2092 * tree-ssa-forwprop.c (vars,
2093 record_single_argument_cond_exprs,
2094 substitute_single_use_vars): Remove.
2095 (forward_propagate_into_cond_1, forward_propagate_into_cond):
2096 New.
2097 (tree_ssa_forward_propagate_single_use_vars): Call
2098 forward_propagate_into_cond for each COND_EXPR.
2099
2100 * tree-inline.c (INSNS_PER_STMT): Remove.
2101
2102 2005-04-12 Richard Henderson <rth@redhat.com>
2103
2104 * config/i386/i386.c (ix86_prepare_sse_fp_compare_args): Split ...
2105 (ix86_expand_sse_fp_minmax): ... from ...
2106 (ix86_expand_fp_movcc): ... here.
2107 (ix86_expand_sse_movcc): Rewrite from ix86_split_sse_movcc.
2108 * config/i386/i386-protos.h: Update.
2109 * config/i386/i386.md (UNSPEC_IEEE_MIN, UNSPEC_IEEE_MAX): New.
2110 (sse_setccsf, sse_setccdf): Allow before reload.
2111 (movsfcc_1_sse_min, movsfcc_1_sse_max, movsfcc_1_sse): Remove.
2112 (movdfcc_1_sse_min, movdfcc_1_sse_max, movdfcc_1_sse): Remove.
2113 (ieee_sminsf3, ieee_smaxsf3, ieee_smindf3, ieee_smaxdf3): New.
2114 * config/i386/sse.md (andsf3, nandsf3, iorsf3, xorsf3): New.
2115 (anddf3, nanddf3, iordf3, xordf3): New.
2116
2117 2005-04-12 Jeff Law <law@redhat.com>
2118
2119 * Makefile.in (OBJS-common): Add tree-ssa-uncprop.o.
2120 (tree-ssa-uncprop.o): Add dependencies.
2121 * tree-cfg.c (remove_useless_stmts_bb, remove_useless_stmts): Remove.
2122 * tree-flow.h (remove_useless_stmts): Remove prototype.
2123 * tree-outof-ssa.c (rewrite_out_of_ssa): Remove call to
2124 remove_useless_stmts.
2125 * timevar.def (TV_TREE_SSA_UNCPROP): New timevar.
2126 * tree-optimize.c (init_tree_optimization_passes): Add uncprop pass.
2127 * tree-pass.h (pass_uncprop): Declare.
2128 * tree-ssa-uncprop.c: New file.
2129
2130 2005-04-12 James E. Wilson <wilson@specifixinc.com>
2131
2132 PR target/20670
2133 * unwind-ia64.c (uw_intall_context): Add missing load of r27.
2134
2135 2005-04-12 Caroline Tice <ctice@apple.com>
2136
2137 Temporary fix for partitioning problems.
2138 * passes.c (rest_of_handle_final): Remove code that
2139 frees unlikely_text_section_name,
2140 * varasm.c (assemble_start_function): Test for partitioning
2141 flag before writing out section labels.
2142 (assemble_end_function): Test for partitioning flag before
2143 writing out section labels.
2144
2145 2005-04-12 Steven Bosscher <stevenb@suse.de>
2146 Stuart Hastings <stuart@apple.com>
2147 Jan Hubicka <jh@suse.cz>
2148
2149 * Makefile.in: Add function.h to BASIC_BLOCK_H. Remove all
2150 references to gt-tree-cfg.h.
2151 * basic-block.h (struct basic_block_def): Don't skip rbi
2152 for garbage collection.
2153 (struct reorder_block_def): Make GTY-able.
2154 (struct control_flow_graph): New structure.
2155 (n_edges, n_basic_blocks, last_basic_block, basic_block_info,
2156 BASIC_BLOCK, EXIT_BLOCK_PTR, ENTRY_BLOCK_PTR): No longer vars,
2157 but instead defines to the control_flow_graph for cfun.
2158 (label_to_block_map): New define, points to the label map of
2159 the control_flow_graph for cfun.
2160 (n_edges_for_function, n_basic_blocks_for_function,
2161 last_basic_block_for_function, basic_block_info_for_function,
2162 EXIT_BLOCK_PTR_FOR_FUNCTION, ENTRY_BLOCK_PTR_FOR_FUNCTION,
2163 basic_block_info_for_function, label_to_block_map_for_function):
2164 Counterparts for the above, taking a struct function as an extra
2165 argument.
2166 (alloc_rbi_pool, free_rbi_pool): Remove prototypes.
2167 * cfg.c: (n_edges, n_basic_blocks, last_basic_block,
2168 basic_block_info, ENTRY_BLOCK_PTR, EXIT_BLOCK_PTR): Remove.
2169 (alloc_rbi_pool, free_rbi_pool): Remove.
2170 (initialize_bb_rbi): Use ggc_alloc_cleared instead of pool_alloc.
2171 * cfglayout.c: (cfg_layout_initialize): Don't allocate the rbi pool
2172 here...
2173 (cfg_layout_finalize) ... and don't free it here.
2174 * cfgrtl.c (cfg_layout_delete_block): Zero out rbi so it gets
2175 garbage collected.
2176 * flow.c (free_basic_block_vars): Set label_to_block_map and
2177 n_edges to zero too.
2178 * function.h (struct function): Add cfg field.
2179 * function.c (allocate_struct_function): Allocate the cfg.
2180 * tree-cfg.c (label_to_block_map): Remove.
2181 (build_tree_cfg): Don't allocate the rbi pool here...
2182 (delete_tree_cfg_annotations): ...and don't free it here.
2183 Also don't nullify label_to_block_map for cfun.
2184
2185 2005-04-12 Caroline Tice <ctice@apple.com>
2186
2187 * bb-reorder.c (find_rarely_executed_basic_blocks_and_crossing_edges):
2188 Revert my patch from April 9.
2189 (fix_edges_for_rarely_executed_code): Revert my patch from April 9.
2190 (reorder_basic_blocks): Revert my patch from April 9.
2191 (insert_section_boundary_note): Revert my patch from April 9.
2192 * dbxout.c (dbxout_function_end): Revert my patch from April 9.
2193 * dwarf2out.c (COLD_TEXT_SECTION_LABEL): Revert my patch from April 9.
2194 (COLD_END_LABEL): Revert my patch from April 9.
2195 (cold_text_section_label): Revert my patch from April 9.
2196 (cold_end_label): Revert my patch from April 9.
2197 (dwarf2out_switch_text_section): Revert my patch from April 9.
2198 (output_aranges): Revert my patch from April 9.
2199 (output_ranges): Revert my patch from April 9.
2200 (output_line_info): Revert my patch from April 9.
2201 (add_location_or_const_value_attribute): Revert my patch from April 9.
2202 (dwarf2out_var_location): Revert my patch from April 9.
2203 (dwarf2out_init): Revert my patch from April 9.
2204 (dwarf2out_finish): Revert my patch from April 9.
2205 * function.h (struct function): Revert my patch from April 9.
2206 * opts.c (decode_options): Revert my patch from April 9.
2207 * output.h (unlikely_section_label, hot_section_label,
2208 hot_section_end_label, cold_section_end_label,
2209 unlikely_text_section_name): Revert my patch from April 9.
2210 * passes.c (rest_of_handle_final): Revert my patch from April 9.
2211 * varasm.c (unlikely_section_label, hot_section_label,
2212 hot_section_end_label, cold_section_end_label,
2213 unlikely_text_section_name): Revert my patch from April 9.
2214 (initialize_cold_section_name): Revert my patch from April 9.
2215 (unlikely_text_section): Revert my patch from April 9.
2216 (in_unlikely_text_section): Revert my patch from April 9.
2217 (named_section): Revert my patch from April 9.
2218 (function_section): Revert my patch from April 9.
2219 (current_function_section): Revert my patch from April 9.
2220 (assemble_start_function): Revert my patch from April 9.
2221 (assemble_end_function): Revert my patch from April 9.
2222 (default_section_type_flags_1): Revert my patch from April 9.
2223
2224 2005-04-12 Eric Botcazou <ebotcazou@libertysurf.fr>
2225
2226 * config/sparc/sparc.h (APPLY_RESULT_SIZE): Set to 24 in 64-bit mode.
2227 * config/sparc/sparc.md (untyped_call): Save the registers manually.
2228
2229 * config/sparc/sparc.c (legitimate_address_p): Use TARGET_ARCH32.
2230
2231 2005-04-12 Ulrich Weigand <uweigand@de.ibm.com>
2232
2233 PR middle-end/20917
2234 * config/s390/s390.md ("*set_tp"): Use SET in pattern.
2235 ("set_tp_64", "set_tp_31"): Adapt expanded pattern.
2236
2237 2004-04-12 Richard Henderson <rth@redhat.com>
2238
2239 * config/i386/i386.md (UNSPEC_FIX, UNSPEC_MOVA, UNSPEC_SHUFFLE,
2240 UNSPEC_PSHUFLW, UNSPEC_PSHUFHW, UNSPEC_ADDSUB, UNSPEC_HADD,
2241 UNSPEC_HSUB, UNSPEC_MOVSHDUP, UNSPEC_MOVSLDUP, UNSPEC_MOVDDUP): Remove.
2242 (UNSPEC_*, UNSPECV_*): Renumber.
2243
2244 2005-04-12 Frank Ch. Eigler <fche@redhat.com>
2245
2246 PR mudflap/19266
2247 From Richard Henderson <rth@redhat.com>:
2248 * tree-mudflap.c (mf_build_check_statement_for): Correct block
2249 splitting logic.
2250
2251 2005-04-12 Dorit Naishlos <dorit@il.ibm.com>
2252
2253 * tree-cfg.c (tree_verify_flow_info): Use LABEL_EXPR_LABEL.
2254
2255 2005-04-12 Bernd Schmidt <bernd.schmidt@analog.com>
2256
2257 * config/bfin/bfin.c (bfin_library_id_string): Remove.
2258 (bfin_library_id): New variable.
2259 (bfin_expand_prologue): Use bfin_library_id and bfin_lib_id_given
2260 instead of bfin_library_id_string.
2261 (bfin_handle_option): New function.
2262 (override_options): Remove most code to deal with shared library IDs,
2263 just check they aren't used without -mid-shared-library.
2264 (TARGET_HANDLE_OPTION): Define.
2265 * config/bfin/bfin.h (TARGET_OPTIONS): Delete macro.
2266 * config/bfin/bfin.opt (mshared-library-id=): New.
2267
2268 2005-04-12 Kazu Hirata <kazu@cs.umass.edu>
2269
2270 * tree-vect-transform.c: Fix comment typos.
2271
2272 2005-04-12 Mostafa Hagog <mustafa@il.ibm.com>
2273
2274 * postreload-gcse.c (eliminate_partially_redundant_load): Don't
2275 split critical edges when not possible/profitable.
2276
2277 2005-04-12 Richard Sandiford <rsandifo@redhat.com>
2278
2279 * config/ns32k/ns32k.h (target_flags, MASK_32081, MASK_RTD)
2280 (MASK_REGPARM, MASK_32532, MASK_32332, MASK_NO_SB, MASK_NO_BITFIELD)
2281 (MASK_HIMEM, MASK_32381, MASK_MULT_ADD, MASK_SRC, MASK_IEEE_COMPARE)
2282 (TARGET_32081, TARGET_32381, TARGET_MULT_ADD, TARGET_RTD)
2283 (TARGET_REGPARM, TARGET_32532, TARGET_32332, TARGET_SB, TARGET_HIMEM)
2284 (TARGET_BITFIELD, TARGET_IEEE_COMPARE, TARGET_SWITCHES): Delete.
2285 (OVERRIDE_OPTIONS): Clear MASK_SB instead of setting MASK_NO_SB.
2286 * config/ns32k/netbsd.h (TARGET_DEFAULT): Remove MASK_NO_SB and
2287 MASK_NO_BITFIELD.
2288 * config/ns32k/ns32k.c (ns32k_handle_option): New function.
2289 (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
2290 * config/ns32k/ns32k.opt: New file.
2291
2292 2005-04-12 Richard Sandiford <rsandifo@redhat.com>
2293
2294 * config.gcc (m68k-*-linux*): Add m68k/ieee.opt to $extra_options.
2295 * config/m68k/m68k.h (target_flags, MASK_68020, TARGET_68020)
2296 (MASK_68030, TARGET_68030, MASK_68040, TARGET_68040, MASK_68040_ONLY)
2297 (TARGET_68040_ONLY, MASK_68060, TARGET_68060, MASK_5200, TARGET_5200)
2298 (MASK_CFV3, TARGET_CFV3, MASK_CFV4, TARGET_CFV4, MASK_528x)
2299 (TARGET_528x, MASK_CF_HWDIV, TARGET_CF_HWDIV, MASK_68881, TARGET_68881)
2300 (MASK_BITFIELD, TARGET_BITFIELD, MASK_SHORT, TARGET_SHORT)
2301 (MASK_ALIGN_INT, TARGET_ALIGN_INT, MASK_PCREL, TARGET_PCREL)
2302 (MASK_NO_STRICT_ALIGNMENT, TARGET_STRICT_ALIGNMENT, MASK_RTD)
2303 (TARGET_RTD, MASK_SEP_DATA, TARGET_SEP_DATA, MASK_ID_SHARED_LIBRARY)
2304 (TARGET_ID_SHARED_LIBRARY, MASK_ALL_CF_BITS, TARGET_SWITCHES)
2305 (TARGET_OPTIONS, SUBTARGET_SWITCHES, SUBTARGET_OPTIONS): Delete.
2306 (MASK_COLDFIRE): Formatting fixes.
2307 (TARGET_COLDFIRE): Turn into a boolean value for consistency.
2308 * config/m68k/linux.h (SUBTARGET_SWITCHES): Delete.
2309 * config/m68k/m68k.c (m68k_library_id_string): Initialize to
2310 "_current_shared_library_a5_offset_".
2311 (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
2312 (MASK_ALL_CPU_BITS): New macro.
2313 (m68k_handle_option): New function.
2314 (override_options): Remove handling of m68k_library_id_string.
2315 * config/m68k/m68k.opt: New file.
2316 * config/m68k/ieee.opt: New file.
2317
2318 2005-04-11 Mark Mitchell <mark@codesourcery.com>
2319
2320 * target-def.h (TARGET_CXX_EXPORT_CLASS_DATA): Remove.
2321 (TARGET_CXX_DETERMINE_CLASS_VISIBILITY): New macro.
2322 (TARGET_CXX_CLASS_DATA_ALWAYS_COMDAT): Likewise.
2323 (TARGET_CXX): Adjust accordingly.
2324 * target.h (struct gcc_target): Remove epxort_class_data. Add
2325 determine_class_data_visibility and class_data_always_comdat.
2326 * doc/tm.texi (TARGET_CXX_EXPORT_CLASS_DATA): Remove.
2327 (TARGET_CXX_DETERMINE_CLASS_DATA_VISIBILITY): Document.
2328 (TARGET_CXX_CLASS_DATA_ALWAYS_COMDAT): Likewise.
2329 * config/arm/arm.c (arm_cxx_export_class_data): Remove.
2330 (arm_cxx_determine_class_data_visibility): New.
2331 (arm_cxx_class_data_always_comdat): Likewise.
2332 (TARGET_CXX_EXPORT_CLASS_DATA): Remove.
2333 (TARGET_CXX_DETERMINE_CLASS_DATA_VISIBILITY): Define.
2334 (TARGET_CXX_CLASS_DATA_ALWAYS_COMDAT): Likewise.
2335 * config/arm/arm.h (TARGET_ARM_DYNAMIC_VAGUE_LINKAGE_P): Define.
2336 * config/arm/symbian.h (TARGET_ARM_DYNAMIC_VAGUE_LINKAGE_P):
2337 Define.
2338
2339 2005-04-11 Devang Patel <dpatel@apple.com>
2340
2341 * tree-data-ref.c (build_classic_dist_vector,
2342 compute_subscript_distance): Make externally visible.
2343 * tree-data-ref.h (build_classic_dist_vector,
2344 compute_subscript_distance): Same.
2345 * tree-vect-analyze.c (vect_analyze_data_ref_dependence):
2346 Check distance vector against vectorization factor.
2347 (vect_analyze_loop): Determine vectorizaion factor before
2348 analyzing data dependences.
2349 * tree-vectorizer.c (loops_num): Make it externally visible and
2350 rename ...
2351 * tree-vectorizer.c (vect_loops_num): ... new name.
2352 * tree-vectorizer.h (vect_loops_num): New.
2353
2354 2005-04-11 Devang Patel <dpatel@apple.com>
2355
2356 * tree-vect-analyze.c (vect_analyze_operations): Check
2357 vectorizable codition.
2358 * tree-vect-transform.c (vect_is_simple_cond): New function.
2359 (vectorizable_condition): New function.
2360 (vect_transform_stmt): Handle condition_vec_info_type.
2361 * tree-vectorizer.h (enum stmt_vec_info_type): Add
2362 condition_vec_info_type.
2363 (vectorizable_condition): New.
2364
2365 2005-04-11 Geoffrey Keating <geoffk@apple.com>
2366
2367 * config/i386/i386.h (TARGET_FPMATH_DEFAULT): New.
2368 * config/i386/darwin.h (TARGET_FPMATH_DEFAULT): New.
2369 * config/i386/i386.c (override_options): Use TARGET_FPMATH_DEFAULT.
2370
2371 * config/i386/darwin.h (ASM_SPEC): Use -arch i386 not -arch i686.
2372 (SUBTARGET_EXTRA_SPECS): Always 'i386'.
2373
2374 * dwarf2out.c (output_line_info): Don't try to dereference
2375 a NULL current_function_decl.
2376
2377 * config/t-slibgcc-darwin: Don't put shared libraries in
2378 directories other than $(slibdir).
2379 * config/rs6000/darwin.h: Find -m64 libgcc under the name the
2380 OS uses for it.
2381
2382 2005-04-11 Diego Novillo <dnovillo@redhat.com>
2383
2384 PR tree-optimization/20933
2385 * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Move
2386 logic to reject aliases between read-only and writable
2387 variables ...
2388 (may_alias_p): ... here.
2389 (get_tmt_for): Do not associate read-only tags to pointers
2390 whose pointed-to type is not read-only.
2391 * tree-ssa.c (verify_ssa): Check that memory stores have at
2392 least one V_MAY_DEF or V_MUST_DEF.
2393
2394 2005-04-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2395
2396 PR/17092
2397 * configure.ac (gcc_UNLOCKED_FUNCS): New.
2398 (AC_CHECK_FUNCS, AC_CHECK_DECLS): Check for gcc_UNLOCKED_FUNCS.
2399 * system.h (putchar, getc, getchar, clearerr, feof, fileno,
2400 fflush, fgetc, fgets, ferror, fread): Redefine to the associated
2401 _unlocked function.
2402 (fwrite_unlocked): Fix prototype.
2403
2404 * configure, config.in: Regenerate.
2405
2406 2005-04-11 David Edelsohn <edelsohn@gnu.org>
2407
2408 * tree-ssa-loop-im.c: Include real.h.
2409 (determine_invariantness_stmt): If real division divisor is
2410 invariant and flag_unsafe_math_optimizations enabled, generate
2411 invariant reciprocal for hoisting.
2412 * Makefile.in (tree-ssa-loop-im.o): Add real.h dependency.
2413
2414 2005-04-11 Daniel Berlin <dberlin@dberlin.org>
2415
2416 Fix PR tree-optimization/20926
2417
2418 * tree-ssa-alias.c (add_type_alias): Handle subvars.
2419
2420 2005-04-11 Devang Patel <dpatel@apple.com>
2421
2422 * config/rs6000.c (rs6000_emit_vector_select): Fix vector select
2423 operand ordering.
2424
2425 2005-04-11 Andrew Pinski <pinskia@physics.uc.edu>
2426
2427 * fold-const.c (fold_binary_op_with_conditional_arg):
2428 use fold_buildN instead of "fold (buildN" in some
2429 non obvious places.
2430 (fold_unary): Likewise.
2431 (fold_binary): Likewise.
2432
2433 2005-04-11 Daniel Berlin <dberlin@dberlin.org>
2434
2435 Fix PR tree-optimization/20612
2436 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Fix increment
2437 handling
2438 (perfect_nestify): preheaderbb is *not* part of loop of the
2439 old destination.
2440
2441 2005-04-11 Andrew Pinski <pinskia@physics.uc.edu>
2442
2443 * tree-ssa-alias.c (may_alias_p): If the variable
2444 is a global variable and the pointer is parameter
2445 and -fargument-noalias-global is used, then
2446 the pointer cannot alias the variable.
2447
2448 2005-04-11 James A. Morrison <phython@gcc.gnu.org>
2449
2450 * config/sparc/sparc.c: Use gcc_assert and gcc_unreachable.
2451 * config/sparc/sparc.h: Likewise.
2452 * config/sparc/sparc.md: Likewise.
2453
2454 2005-04-11 Kazu Hirata <kazu@cs.umass.edu>
2455
2456 * tree-vrp.c (maybe_add_assert_expr): Move a comment.
2457
2458 * tree-vrp.c: Fix a comment typo.
2459
2460 2005-04-11 Diego Novillo <dnovillo@redhat.com>
2461
2462 PR tree-optimization/20920
2463 * tree-pretty-print.c (dump_generic_node): Show '(ab)' if an
2464 SSA_NAME flows through an abnormal edge.
2465 * tree-vrp.c (infer_value_range): Ignore SSA names that flow
2466 through abnormal edges.
2467 (maybe_add_assert_expr): Likewise.
2468
2469 2005-04-11 Richard Sandiford <rsandifo@redhat.com>
2470
2471 * config/s390/s390.h (s390_tune_string, s390_arch_string)
2472 (s390_warn_framesize_string, s390_warn_dynamicstack_string)
2473 (s390_stack_size_string, s390_stack_guard_string, target_flags)
2474 (MASK_HARD_FLOAT, MASK_SMALL_EXEC, MASK_DEBUG_ARG, MASK_64BIT)
2475 (MASK_ZARCH, MASK_MVCLE, MASK_TPF_PROFILING, MASK_NO_FUSED_MADD)
2476 (MASK_BACKCHAIN, MASK_PACKED_STACK, TARGET_HARD_FLOAT)
2477 (TARGET_SOFT_FLOAT, TARGET_SMALL_EXEC, TARGET_DEBUG_ARG)
2478 (TARGET_64BIT, TARGET_ZARCH, TARGET_MVCLE, TARGET_TPF_PROFILING)
2479 (TARGET_NO_FUSED_MADD, TARGET_FUSED_MADD, TARGET_BACKCHAIN)
2480 (TARGET_PACKED_STACK, TARGET_SWITCHES, TARGET_OPTIONS): Delete.
2481 * config/s390/s390.c (TARGET_DEFAULT_TARGET_FLAGS): Override default.
2482 (TARGET_HANDLE_OPTION): Likewise.
2483 (s390_tune): Initialize to PROCESSOR_max.
2484 (s390_arch_string): Make static.
2485 (s390_tune_string, s390_warn_framesize_string): Delete.
2486 (s390_warn_dynamicstack_string, s390_stack_size_string): Delete.
2487 (s390_stack_guard_string, s390_warn_dynamicstack_p): Delete.
2488 (s390_handle_arch_option, s390_handle_option): New functions.
2489 (override_options): Remove parsing of option strings.
2490 * config/s390/s390.opt: New file.
2491
2492 2005-04-11 Paolo Bonzini <bonzini@gnu.org>
2493
2494 * tree-complex.c (expand_vector_operations): Call
2495 update_stmt_if_modified.
2496
2497 2005-04-11 Paolo Bonzini <bonzini@gnu.org>
2498
2499 * tree-vect-analyze (vect_determine_vectorization_factor):
2500 Do not use GET_MODE_NUNITS.
2501 * tree-vect-transform.c (vect_get_vec_def_for_operand,
2502 (vectorizable_load, vect_transform_loop): Likewise.
2503
2504 2005-04-11 Uros Bizjak <uros@kss-loka.si>
2505
2506 * builtins.def (BUILT_IN_LCEIL, BUILT_IN_LCEILF, BUILT_IN_LCEILL)
2507 (BUILT_IN_LLCEIL, BUILT_IN_LLCEILF, BUILT_IN_LLCEILL): New.
2508 * optabs.h (enum optab_index): Add new OTI_lceil.
2509 (lceil_optab): Define corresponding macro.
2510 * optabs.c (init_optabs): Initialize lceil_optab.
2511 * genopinit.c (optabs): Implement lceil_optab using lceilsi2
2512 and lceildi2 patterns.
2513 * builtins.c (expand_builtin_int_roundingfn): Handle
2514 BUILT_IN_LCEIL{,F,L} and BUILT_IN_LLCEIL{,F,L}.
2515 (fold_builtin_int_roundingfn): Handle BUILT_IN_LCEIL{,F,L} and
2516 BUILT_IN_LLCEIL{,F,L}.
2517 (fold_builtin_1): Fold BUILT_IN_LCEIL{,F,L} and
2518 BUILT_IN_LLCEIL{,F,L} using fold_builtin_int_roundingfn.
2519 (mathfn_built_in): Handle BUILT_IN LCEIL and BUILT_IN_LLCEIL.
2520 (expand_builtin): Expand BUILT_IN_LCEIL{,F,L} and
2521 BUILT_IN_LLCEIL{,F,L} using expand_builtin_int_roundingfn.
2522 * convert.c (convert_to_integer): Convert (long int)ceil{,f,l},
2523 into lceil built-in function and (long long int)ceil{,f,l} into
2524 llceil built-in function.
2525 * fold-const.c (tree_expr_nonnegative_p): Add BUILT_IN_LCEIL and
2526 BUILT_IN_LLCEIL.
2527
2528 2005-04-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2529
2530 * pa/quadlib.c (_U_Qfneg): Toggle sign bit instead of subtracting from
2531 zero.
2532
2533 2005-04-10 Kazu Hirata <kazu@cs.umass.edu>
2534
2535 * config/arm/arm.c: Fix a comment typo.
2536 * doc/tree-ssa.texi: Fix a typo.
2537
2538 2005-04-10 Steven Bosscher <stevenb@suse.de>
2539
2540 * cselib.c (clear_table): Rename to cselib_clear_table.
2541 * cselib.h (cselib_clear_table): Add prototype.
2542 * gcse.c (gcse_main): Make 'f' argument unused.
2543 (alloc_gcse_mem): Do not walk the insn chain, walk the contents
2544 of each basic block instead.
2545 (compute_sets, compute_hash_table_work): Likewise.
2546 (constprop_register): Change int 'alter_jumps' argument to bool.
2547 (do_local_cprop): Likewise.
2548 (local_cprop_pass): Likewise. Also walk basic blocks instead of
2549 the insn chain. Explicitly clear the cselib tables after finishing
2550 one basic block. Make sure there are no unterminated libcall blocks.
2551 Update compute_sets call.
2552 (cprop): Walk basic blocks instead of the insn chain.
2553 (one_cprop_pass, compute_ld_motion_mems, compute_store_table):
2554 Likewise.
2555 (bypass_jumps): Update alloc_gcse_mem, compute_sets, and
2556 one_cprop_pass calls.
2557
2558 2005-04-10 Richard Sandiford <rsandifo@redhat.com>
2559
2560 * combine.c (combine_simplify_rtx): Remove a transformation that
2561 relies on an invalid assumption about rtl sign-extension semantics.
2562
2563 2005-04-10 Richard Sandiford <rsandifo@redhat.com>
2564
2565 * value-prof.c (tree_divmod_fixed_value_transform): Fix arguments
2566 to build_int_cst_wide.
2567
2568 2005-04-09 Alexandre Oliva <aoliva@redhat.com>
2569
2570 PR target/20126
2571 * loop.c (loop_givs_rescan): If replacement of DEST_ADDR failed,
2572 set the original address pseudo to the correct value before the
2573 original insn, if possible, and leave the insn alone, otherwise
2574 create a new pseudo, set it and replace it in the insn.
2575 * recog.c (validate_change_maybe_volatile): New.
2576 * recog.h (validate_change_maybe_volatile): Declare.
2577
2578 2005-04-09 Caroline Tice <ctice@apple.com>
2579
2580 * bb-reorder.c (find_rarely_executed_basic_blocks_and_crossing_edges):
2581 Remove targetm.have_named_sections test.
2582 (fix_edges_for_rarely_executed_code): Likewise.
2583 (insert_section_boundary_note): Likewise.
2584 (reorder_basic_blocks): Check partitioning flag before calling
2585 verify_hot_cold_block_grouping.
2586 * dbxout.c (dbxout_function_end): Get hot/cold section labels from
2587 the function struct rather than global variables.
2588 * dwarf2out.c (COLD_TEXT_SECTION_LABEL): New macro.
2589 (COLD_END_LABEL): Likewise
2590 (cold_text_section_label): New static global variable.
2591 (cold_end_label): Likewise.
2592 (dwarf2out_switch_text_section): Get hot/cold section labels from
2593 the function struct rather than global variables.
2594 (output_aranges): Use cold_text_section_label and cold_end_label;
2595 check partitioning flag before putting out delta.
2596 (output_ranges): Remove incorrect code attempting to use
2597 hot/cold labels.
2598 (output_line_info): Get cold section label from function struct.
2599 (add_location_or_const_value_attribute): Likewise.
2600 (get_subprogram_die): Get hot/cold section labels from function struct.
2601 (dwarf2out_var_location): Likewise.
2602 (dwarf2out_init): Generate cold_text_section_label and cold_end_label;
2603 write out cold_text_section_label if partition flag is set.
2604 (dwarf2out_finish): Write out cold_end_label if partition flag is set;
2605 * function.h (struct function): Add new fields to point to hot/cold
2606 section labels: hot_section_label, cold_section_label,
2607 hot_section_end_label and cold_section_end_label; also add new field
2608 for cold text section name, unlikely_text_section_name.
2609 * opts.c (decode_options): Turn off partitioning flag if
2610 !targetm.have_named_sections.
2611 * output.h (hot_section_label): Remove.
2612 (hot_section_end_label): Remove.
2613 (cold_section_end_label): Remove.
2614 (unlikely_section_label): Remove.
2615 (unlikely_text_section_name): Remove.
2616 * passes.c (rest_of_handle_final): Remove code that frees
2617 unlikely_text_section_name.
2618 * varasm.c (unlikely_section_label): Remove.
2619 (hot_section_label): Remove.
2620 (hot_section_end_label): Remove.
2621 (cold_section_end_label): Remove.
2622 (unlikely_text_section_name): Remove.
2623 (initialize_cold_section_name): Modify to call
2624 targetm.strip_name_encoding; to store cold section name in current
2625 function struct, if it exists; and to only use the decl_section_name
2626 if flag_named_sections is true.
2627 (unlikely_text_section): Modify to get section name out of current
2628 function struct, if there is one; otherwise build it from
2629 UNLIKELY_EXECUTED_TEXT_SECTION_NAME.
2630 (in_unlikely_text_section): Likewise.
2631 (named_section): Modify to get/put cold section name in current function
2632 struct, if there is one.
2633 (function_section): Change 'bool unlikely' to 'int reloc'; check
2634 targetm.have_named_sections before calling named_section.
2635 (current_function_section): Likewise.
2636 (assemble_start_function): Modify to get/put unlikely_text_section_name
2637 in current function struct; modify to get hot/cold section labels
2638 from function struct; initialize labels using
2639 ASM_GENERATE_INTERNAL_LABEL;
2640 test partitioning flag before writing out hot section label.
2641 (assemble_end_function): Test partitioning flag before writing out
2642 hot/cold section labels.
2643 (default_section_type_flags_1): Modify to use array instead of
2644 char* for unlikely_text_section_name; set flags correctly for
2645 cold text section if there is not a current function decl.
2646
2647 2005-04-09 Jakub Jelinek <jakub@redhat.com>
2648
2649 * tree.h (enum tree_index): Add TI_VA_LIST_GPR_COUNTER_FIELD
2650 and TI_VA_LIST_FPR_COUNTER_FIELD.
2651 (va_list_gpr_counter_field, va_list_fpr_counter_field): Define.
2652 * tree-pass.h (pass_stdarg): Add.
2653 * tree-optimize.c (init_tree_optimization_passes): Add pass_stdarg.
2654 * tree-stdarg.c: New file.
2655 * tree-stdarg.h: New file.
2656 * Makefile.in (OBJS-common): Add tree-stdarg.o.
2657 (tree-stdarg.o): Add dependencies.
2658 * function.h (struct function): Add va_list_gpr_size and
2659 va_list_fpr_size fields.
2660 * function.c (allocate_struct_function): Initialize them.
2661 * target.h (struct gcc_target): Add stdarg_optimize_hook.
2662 * target-def.h (TARGET_STDARG_OPTIMIZE_HOOK): Define.
2663 (TARGET_INITIALIZER): Add it.
2664
2665 * config/i386/i386.c (ix86_build_builtin_va_list): Initialize
2666 va_list_{g,f}pr_counter_field.
2667 (ix86_setup_incoming_varargs): Don't do anything if reg_save
2668 area will not be used. Only save registers that tree-stdarg.c
2669 detected they need saving.
2670 (ix86_va_start): Don't set up fields that won't be used.
2671
2672 * config/rs6000/rs6000.c (rs6000_build_builtin_va_list): Initialize
2673 va_list_{g,f}pr_counter_field.
2674 (setup_incoming_varargs): Don't do anything if reg_save
2675 area will not be used. Only save registers that tree-stdarg.c
2676 detected they need saving.
2677 (rs6000_va_start): Don't set up fields that won't be used.
2678
2679 * config/alpha/alpha.c: Include tree-flow.h and tree-stdarg.h.
2680 (alpha_build_builtin_va_list): Initialize va_list_gpr_counter_field.
2681 (va_list_skip_additions, alpha_stdarg_optimize_hook): New functions.
2682 (TARGET_STDARG_OPTIMIZE_HOOK): Define.
2683
2684 2005-04-09 Jakub Jelinek <jakub@redhat.com>
2685
2686 PR target/20795
2687 * config/i386/i386.c (construct_container): Pass empty aligned
2688 struct, union or class in memory.
2689
2690 2005-04-09 Kazu Hirata <kazu@cs.umass.edu>
2691
2692 * dominance.c, gthr-win32.h, reg-stack.c, tree-ssa-copy.c,
2693 tree-ssa-operands.c, tree-ssa.c, tree-vrp.c, varasm.c,
2694 config/alpha/alpha.c, config/arm/arm.c, config/m32r/m32r.h,
2695 config/rs6000/predicates.md: Fix comment typos.
2696
2697 * sched-int.h (haifa_insn_data): Remove blockage and units.
2698 (INSN_UNIT, INSN_BLOCKAGE, UNIT_BITS, BLOCKAGE_MASK,
2699 ENCODE_BLOCKAGE, UNIT_BLOCKED, BLOCKAGE_RANGE,
2700 MIN_BLOCKAGE_COST, MAX_BLOCKAGE_COST): Remove.
2701
2702 2005-04-09 Jan Hubicka <jh@suse.cz>
2703 Steven Bosscher <stevenb@suse.de>
2704
2705 * cfglayout.c (copy_bbs): Rename n_edges to num_edges.
2706 * cfgloop.c (get_loop_exit_edges): Likewise.
2707 * cfgloopmanip.c (fix_irreducible_loops): Likewise.
2708 (unloop): Likewise.
2709 * loop-unroll.c (analyze_insns_in_loop): Likewise.
2710 * tree-cfg.c (dump_cfg_status): Likewise.
2711
2712 2005-04-09 David Edelsohn <edelsohn@gnu.org>
2713
2714 * config/rs6000/predicates.md (altivec_register_operand): Remove
2715 redundant match_code test.
2716 (gpc_reg_operand): Same.
2717 (cc_reg_operand): Same.
2718 (cc_reg_not_cr0_operand): Same.
2719
2720 2005-04-09 Jan Hubicka <jh@suse.cz>
2721
2722 Forgotten hunk from my last merge patch:
2723 * final.c (output_addr_const): Do not call mark_referenced.
2724
2725 2005-04-09 Andrew MacLeod <amacleod@redhat.com>
2726
2727 * doc/tree-ssa.texi: Add immediate use documentation.
2728
2729 2005-04-09 Richard Earnshaw <richard.earnshaw@arm.com>
2730
2731 * arm.c (FL_WBUF): Define.
2732 (arm_tune_strongarm): Renamed from arm_is_strong. All uses changed.
2733 (arm_is_6_or_7): Delete.
2734 (arm_tune_wbuf): New.
2735 (arm_override_options): Set arm_tune_wbuf.
2736 * arm.h (arm_tune_strongarm): Renamed from arm_is_strong.
2737 (arm_is_6_or_7): Delete declaration.
2738 (arm_tune_wbuf): New declartion.
2739 * arm.md (is_strongarm): Derive from arm_tune_strongarm.
2740 (model_wbuf): Derive from arm_tune_wbuf.
2741 * arm-cores.def (arm600, arm610, arm620, arm700, arm700i, arm710)
2742 (arm720, arm710c, arm7100, arm7500, arm7500fe, arm710t, arm720t)
2743 (arm740t): Mark CPUs as having a write buffer.
2744
2745 2005-04-09 Uros Bizjak <uros@kss-loka.si>
2746
2747 * config/i386/i386.md (*fp_jcc_7_387): Use 'const0_operand' instead
2748 of 'const_double_operand' in operand 2 constraints. Update enable
2749 condition.
2750
2751 2005-04-09 Uros Bizjak <uros@kss-loka.si>
2752
2753 * builtins.def (BUILT_IN_LFLOOR, BUILT_IN_LFLOORF, BUILT_IN_LFLOORL)
2754 (BUILT_IN_LLFLOOR, BUILT_IN_LLFLOORF, BUILT_IN_LLFLOORL): New.
2755 * optabs.h (enum optab_index): Add new OTI_lfloor.
2756 (lfloor_optab): Define corresponding macro.
2757 * optabs.c (init_optabs): Initialize lfloor_optab.
2758 * genopinit.c (optabs): Implement lfloor_optab using lfloorsi2
2759 and lfloordi2 patterns.
2760 * builtins.c (expand_builtin_int_roundingfn): New prototype.
2761 (expand_builtin_int_roundingfn): New function.
2762 (fold_builtin_int_roundingfn): New prototype.
2763 (fold_builtin_int_roundingfn): New function, renamed from
2764 fold_builtin_lround.
2765 Handle BUILT_IN_LROUND{,F,L}, BUILT_IN_LLROUND{,F,L} and
2766 BUILT_IN_LFLOOR{,F,L}, BUILT_IN_LLFLOOR{,F,L}.
2767 (fold_builtin_1): Fold BUILT_IN_LFLOOR{,F,L} and
2768 BUILT_IN_LLFLOOR{,F,L} using fold_builtin_int_roundingfn.
2769 (mathfn_built_in): Handle BUILT_IN LFLOOR and BUILT_IN_LLFLOOR.
2770 (expand_builtin): Expand BUILT_IN_LFLOOR{,F,L} and
2771 BUILT_IN_LLFLOOR{,F,L} using expand_builtin_int_roundingfn.
2772 * convert.c (convert_to_integer): Convert (long int)floor{,f,l},
2773 into lfloor built-in function and (long long int)floor{,f,l} into
2774 llfloor built-in function.
2775 * fold-const.c (tree_expr_nonnegative_p): Add BUILT_IN_LFLOOR and
2776 BUILT_IN_LLFLOOR.
2777
2778 2005-04-08 Ian Lance Taylor <ian@airs.com>
2779
2780 * c-common.def: Move FOR_STMT, WHILE_STMT, DO_STMT, BREAK_STMT,
2781 CONTINUE_STMT, and SWITCH_STMT to cp/cp-tree.def.
2782 * c-common.h (WHILE_COND, WHILE_BODY): Move to cp/cp-tree.h.
2783 (DO_COND, DO_BODY): Likewise.
2784 (FOR_INIT_STMT, FOR_COND, FOR_EXPR, FOR_BODY): Likewise.
2785 (SWITCH_STMT_COND, SWITCH_STMT_BODY, SWITCH_STMT_TYPE): Likewise.
2786 (c_common_stmt_codes): Remove FOR_STMT, WHILE_STMT, DO_STMT,
2787 BREAK_STMT, CONTINUE_STMT, and SWITCH_STMT.
2788 (build_continue_stmt, build_break_stmt): Don't declare.
2789 (c_do_switch_warnings): Update declaration.
2790 * c-gimplify.c (enum bc_t): Remove.
2791 (struct c_gimplify_ctx, ctxp): Remove.
2792 (push_context, pop_context): Remove static functions.
2793 (c_genericize): Don't call push_context or pop_context.
2794 (begin_bc_block, finish_bc_block): Remove static functions.
2795 (build_bc_goto): Likewise.
2796 (gimplify_c_loop): Likewise.
2797 (gimplify_for_stmt, gimplify_while_stmt): Likewise.
2798 (gimplify_do_stmt, gimplify_switch_stmt): Likewise.
2799 (c_gimplify_expr): Remove handling of FOR_STMT, WHILE_STMT,
2800 DO_STMT, SWITCH_STMT, CONTINUE_STMT, BREAK_STMT.
2801 * c-common.c (c_do_switch_warnings): Rename from
2802 c_do_switch_warnings_1.
2803 (c_do_switch_warnings) [old version]: Remove.
2804 (c_do_switch_expr_warnings): Remove.
2805 * c-typeck.c (c_finish_case): Call new c_do_switch_warnings
2806 function instead of c_do_switch_expr_warnings.
2807 * c-dump.c (c_dump_tree): Remove handling of BREAK_STMT,
2808 CONTINUE_STMT, DO_STMT, FOR_STMT, SWITCH_STMT, and WHILE_STMT.
2809 * c-pretty-print.c (pp_c_statement): Likewise.
2810 * c-semantics.c (build_break_stmt, build_continue_stmt): Remove.
2811
2812 2005-04-08 Devang Patel <dpatel@apple.com>
2813
2814 * tree-if-conv.c (find_phi_replacement_condition): New parameter, loop.
2815 While selecting replacement condition pay attention to loop header.
2816
2817 2005-04-08 Diego Novillo <dnovillo@redhat.com>
2818
2819 Merge from tree-cleanup-branch: VRP, store CCP, store
2820 copy-prop, incremental SSA updating of FUD chains and
2821 newly exposed symbols.
2822
2823 * Makefile.in (tree-ssa-copy.o): Depend on tree-ssa-propagate.h.
2824 (OBJS-common): Add tree-vrp.o.
2825 (tree-vrp.o): New rule.
2826 * basic-block.h (nearest_common_dominator_for_set): Declare.
2827 * common.opt (ftree-store-ccp): New flag.
2828 (ftree-copy-prop): New flag.
2829 (ftree-vrp): New flag.
2830 (ftree-store-copy-prop): New flag.
2831 * dominance.c (nearest_common_dominator_for_set): New.
2832 * domwalk.c (walk_dominator_tree): Only traverse
2833 statements in blocks marked in walk_data->interesting_blocks.
2834 * domwalk.h (struct dom_walk_data): Add field interesting_blocks.
2835 * fold-const.c (fold): Handle ASSERT_EXPR.
2836 * opts.c (decode_options): Set flag_tree_copy_prop at -O1.
2837 Set flag_tree_store_ccp, flag_tree_store_copy_prop and
2838 flag_tree_vrp at -O2.
2839 * timevar.def (TV_TREE_VRP): Define.
2840 (TV_TREE_COPY_PROP): Define.
2841 (TV_TREE_STORE_COPY_PROP): Define.
2842 (TV_TREE_SSA_INCREMENTAL): Define.
2843 (TV_TREE_STORE_CCP): Define.
2844 * tree-cfg.c (tree_can_merge_blocks_p): Remove reference
2845 to kill_redundant_phi_nodes from comment.
2846 (verify_expr): Handle ASSERT_EXPR.
2847 * tree-dfa.c (mark_new_vars_to_rename): Remove second
2848 argument. Update all users.
2849 (mark_call_clobbered_vars_to_rename): Remove. Update all
2850 users.
2851 * tree-flow-inline.h (unmodifiable_var_p): New.
2852 * tree-flow.h (enum value_range_type): Declare.
2853 (struct value_range_def): Declare.
2854 (value_range): Declare.
2855 (remove_all_phi_nodes_for): Remove. Update all users.
2856 (find_phi_node_for): Declare.
2857 (add_type_alias): Declare.
2858 (count_uses_and_derefs): Declare.
2859 (kill_redundant_phi_nodes): Remove.
2860 (rewrite_into_ssa): Remove.
2861 (rewrite_def_def_chains): Remove.
2862 (update_ssa, register_new_name_mapping, create_new_def_for,
2863 need_ssa_update_p, name_registered_for_update_p,
2864 release_ssa_name_after_update_ssa, dump_repl_tbl,
2865 debug_repl_tbl, dump_names_replaced_by,
2866 debug_names_replaced_by, mark_sym_for_renaming,
2867 mark_set_for_renaming, get_current_def, set_current_def,
2868 get_value_range, dump_value_range, debug_value_range,
2869 dump_all_value_ranges, debug_all_value_ranges,
2870 expr_computes_nonzero, loop_depth_of_name,
2871 unmodifiable_var_p): Declare.
2872 * tree-gimple.c (is_gimple_formal_tmp_rhs): Handle
2873 ASSERT_EXPR.
2874 * tree-into-ssa.c (block_defs_stack): Update comment.
2875 (old_ssa_names, new_ssa_names, old_virtual_ssa_names,
2876 syms_to_rename, names_to_release, repl_tbl,
2877 need_to_initialize_update_ssa_p, need_to_update_vops_p,
2878 need_to_replace_names_p): New locals.
2879 (NAME_SETS_GROWTH_FACTOR): Define.
2880 (struct repl_map_d): Declare.
2881 (struct mark_def_sites_global_data): Add field
2882 interesting_blocks.
2883 (enum rewrite_mode): Declare.
2884 (REGISTER_DEFS_IN_THIS_STMT): Define.
2885 (compute_global_livein): Use last_basic_block instead of
2886 n_basic_blocks.
2887 (set_def_block): Remove last argument. Update all callers.
2888 (prepare_use_operand_for_rename): Remove. Update all callers.
2889 (prepare_def_operand_for_rename): Remove. Update all callers.
2890 (symbol_marked_for_renaming): New.
2891 (is_old_name): New.
2892 (is_new_name): New.
2893 (repl_map_hash): New.
2894 (repl_map_eq): New.
2895 (repl_map_free): New.
2896 (names_replaced_by): New.
2897 (add_to_repl_tbl): New.
2898 (add_new_name_mapping): New.
2899 (mark_def_sites): Assume that all the operands in the
2900 statement are in normal form.
2901 (find_idf): Assert that the block in the stack is valid.
2902 (get_default_def_for): New.
2903 (insert_phi_nodes_for): Add new argument 'update_p'.
2904 Add documentation.
2905 If update_p is true, add a new mapping between the LHS of
2906 each new PHI and the name that it replaces.
2907 (insert_phi_nodes_1): Only call find_idf if needed.
2908 (get_reaching_def): Call get_default_def_for.
2909 (rewrite_operand): Remove.
2910 (rewrite_stmt): Do nothing if REGISTER_DEFS_IN_THIS_STMT
2911 and REWRITE_THIS_STMT are false.
2912 Assume that all the operands in the statement are in
2913 normal form.
2914 (rewrite_add_phi_arguments): Don't use PHI_REWRITTEN.
2915 (rewrite_virtual_phi_arguments): Remove.
2916 (invalidate_name_tags): Remove.
2917 (register_new_update_single, register_new_update_set,
2918 rewrite_update_init_block, replace_use,
2919 rewrite_update_fini_block, rewrite_update_stmt,
2920 rewrite_update_phi_arguments): New.
2921 rewrite_blocks): Remove argument 'fix_virtual_phis'.
2922 Add arguments 'entry', 'what' and 'blocks'.
2923 Initialize the dominator walker according to 'what' and
2924 'blocks'.
2925 Start the dominator walk at 'entry'.
2926 (mark_def_site_blocks): Add argument 'interesting_blocks'.
2927 Use it to configure the dominator walker.
2928 (rewrite_into_ssa): Remove argument 'all'.
2929 Make internal.
2930 (rewrite_all_into_ssa): Remove.
2931 (rewrite_def_def_chains): Remove.
2932 (mark_def_interesting, mark_use_interesting,
2933 prepare_phi_args_for_update, prepare_block_for_update,
2934 prepare_def_site_for, prepare_def_sites,
2935 dump_names_replaced_by, debug_names_replaced_by,
2936 dump_repl_tbl, debug_repl_tbl, init_update_ssa,
2937 delete_update_ssa, create_new_def_for,
2938 register_new_name_mapping, mark_sym_for_renaming,
2939 mark_set_for_renaming, need_ssa_update_p,
2940 name_registered_for_update_p, ssa_names_to_replace,
2941 release_ssa_name_after_update_ssa,
2942 insert_updated_phi_nodes_for, update_ssa): New.
2943 * tree-loop-linear.c (linear_transform_loops): Call
2944 update_ssa instead of rewrite_into_ssa.
2945 * tree-optimize.c (vars_to_rename): Remove.
2946 Update all users.
2947 (init_tree_optimization_passes): Replace
2948 pass_redundant_phi with pass_copy_prop.
2949 Add pass_vrp.
2950 Replace pass_ccp with pass_store_ccp.
2951 Add pass_store_copy_prop after pass_store_ccp.
2952 (execute_todo): If the TODO_ flags don't include updating
2953 the SSA form, assert that it does not need to be updated.
2954 Call update_ssa instead of rewrite_into_ssa and
2955 rewrite_def_def_chains.
2956 If TODO_verify_loops is set, call verify_loop_closed_ssa.
2957 (tree_rest_of_compilation):
2958 * tree-pass.h (TODO_dump_func, TODO_ggc_collect,
2959 TODO_verify_ssa, TODO_verify_flow, TODO_verify_stmts,
2960 TODO_cleanup_cfg): Renumber.
2961 (TODO_verify_loops, TODO_update_ssa,
2962 TODO_update_ssa_no_phi, TODO_update_ssa_full_phi,
2963 TODO_update_ssa_only_virtuals): Define.
2964 (pass_copy_prop, pass_store_ccp, pass_store_copy_prop, pass_vrp):
2965 Declare.
2966 * tree-phinodes.c (make_phi_node): Update documentation.
2967 (remove_all_phi_nodes_for): Remove.
2968 (find_phi_node_for): New.
2969 * tree-pretty-print.c (dump_generic_node): Handle ASSERT_EXPR.
2970 * tree-scalar-evolution.c (follow_ssa_edge_in_rhs): Likewise.
2971 (interpret_rhs_modify_expr): Likewise.
2972 * tree-sra.c (decide_instantiations): Mark all symbols in
2973 SRA_CANDIDATES for renaming.
2974 (mark_all_v_defs_1): Rename from mark_all_v_defs.
2975 (mark_all_v_defs): New function. Update all users to call it
2976 with the whole list of scalarized statements, not just the
2977 first one.
2978 * tree-ssa-alias.c (count_ptr_derefs): Make extern.
2979 (compute_flow_insensitive_aliasing): If the tag is
2980 unmodifiable and the variable isn't or vice-versa, don't
2981 make them alias of each other.
2982 (setup_pointers_and_addressables): If the type tag for
2983 VAR is about to change, mark the old one for renaming.
2984 (add_type_alias): New.
2985 * tree-ssa-ccp.c: Document SSA-CCP and STORE-CCP.
2986 (ccp_lattice_t): Rename from latticevalue.
2987 (value): Remove. Update all users.
2988 (const_val): New local variable.
2989 (do_store_ccp): New local variable.
2990 (dump_lattice_value): Handle UNINITIALIZED.
2991 (debug_lattice_value): New.
2992 (get_default_value): Re-write.
2993 (set_lattice_value): Re-write.
2994 (def_to_varying): Remove. Update all users.
2995 (likely_value): Return VARYING for statements that make
2996 stores when STORE_CCP is false.
2997 Return VARYING for any statement other than MODIFY_EXPR,
2998 COND_EXPR and SWITCH_EXPR.
2999 (ccp_initialize): Re-write.
3000 (replace_uses_in, replace_vuse_in, substitute_and_fold):
3001 Move to tree-ssa-propagate.c.
3002 (ccp_lattice_meet): Handle memory stores when
3003 DO_STORE_CCP is true.
3004 (ccp_visit_phi_node): Likewise.
3005 (ccp_fold): Likewise.
3006 (evaluate_stmt): Likewise.
3007 (visit_assignment): Likewise.
3008 (ccp_visit_stmt): Likewise.
3009 (execute_ssa_ccp): Add argument 'store_ccp'. Copy it
3010 into DO_STORE_CCP.
3011 (do_ssa_ccp): New.
3012 (pass_ccp): Use it.
3013 (do_ssa_store_ccp): New.
3014 (gate_store_ccp): New.
3015 (pass_store_ccp): Declare.
3016 * tree-ssa-copy.c: Include tree-ssa-propagate.h.
3017 (may_propagate_copy): Reformat.
3018 Don't abort if ORIG is a virtual and DEST isn't.
3019 If NEW does not have alias information but DEST does,
3020 copy it.
3021 (copy_of, cached_last_copy_of, do_store_copy_prop, enum
3022 copy_prop_kind, which_copy_prop): Declare.
3023 (stmt_may_generate_copy, get_copy_of_val,
3024 get_last_copy_of, set_copy_of_val, dump_copy_of,
3025 copy_prop_visit_assignment, copy_prop_visit_cond_stmt,
3026 copy_prop_visit_stmt, copy_prop_visit_phi_node,
3027 init_copy_prop, fini_copy_prop, execute_copy_prop,
3028 gate_copy_prop, do_copy_prop, gate_store_copy_prop,
3029 store_copy_prop): New.
3030 (pass_copy_prop, pass_store_copy_prop): Declare.
3031 * tree-ssa-dom.c (struct opt_stats_d): Add fields
3032 'num_const_prop' and 'num_copy_prop'.
3033 (cprop_operand): Update them.
3034 (dump_dominator_optimization_stats): Dump them.
3035 (tree_ssa_dominator_optimize): Call update_ssa instead of
3036 rewrite_into_ssa.
3037 (loop_depth_of_name): Declare extern.
3038 (simplify_cond_and_lookup_avail_expr): Guard against NULL
3039 values for LOW or HIGH.
3040 (cprop_into_successor_phis): Only propagate if NEW != ORIG.
3041 (record_equivalences_from_stmt): Call expr_computes_nonzero.
3042 (cprop_operand): Only propagate if VAL != OP.
3043 * tree-ssa-dse.c (dse_optimize_stmt): Mark symbols in removed
3044 statement for renaming.
3045 * tree-ssa-loop-im.c (move_computations): Call update_ssa.
3046 * tree-ssa-loop-ivopts.c (rewrite_address_base): Call
3047 add_type_alias if necessary.
3048 Call mark_new_vars_to_rename.
3049 (tree_ssa_iv_optimize): If new symbols need to be renamed,
3050 mark every statement updated, call update_ssa and
3051 rewrite_into_loop_closed_ssa.
3052 * tree-ssa-loop-manip.c (add_exit_phis): Do not remove DEF_BB
3053 from LIVEIN if VAR is a virtual.
3054 * tree-ssa-loop.c (tree_loop_optimizer_init): Call update_ssa.
3055 * tree-ssa-operands.c (get_expr_operands): Handle ASSERT_EXPR.
3056 (get_call_expr_operands): Reformat statement.
3057 (add_stmt_operand): Don't create V_MAY_DEFs for read-only
3058 symbols.
3059 * tree-ssa-propagate.c (ssa_prop_init): Initialize
3060 SSA_NAME_VALUE for every name.
3061 (first_vdef, stmt_makes_single_load, stmt_makes_single_store,
3062 get_value_loaded_by): New.
3063 (replace_uses_in, replace_vuses_in, replace_phi_args_in,
3064 substitute_and_fold): Move from tree-ssa-ccp.c.
3065 * tree-ssa-propagate.h (struct prop_value_d, prop_value_t,
3066 first_vdef, stmt_makes_single_load, stmt_makes_single_store,
3067 get_value_loaded_by, replace_uses_in, substitute_and_fold):
3068 Declare.
3069 * tree-ssa.c (verify_use): Fix error message.
3070 (propagate_into_addr, replace_immediate_uses, get_eq_name,
3071 check_phi_redundancy, kill_redundant_phi_nodes,
3072 pass_redundant_phi): Remove. Update all users.
3073 * tree-vect-transform.c (vect_create_data_ref_ptr): Call
3074 add_type_alias, if necessary.
3075 * tree-vectorizer.h (struct _stmt_vect_info): Update
3076 documentation for field 'memtag'.
3077 * tree-vrp.c: New file.
3078 * tree.def (ASSERT_EXPR): Define.
3079 * tree.h (ASSERT_EXPR_VAR): Define.
3080 (ASSERT_EXPR_COND): Define.
3081 (SSA_NAME_VALUE_RANGE): Define.
3082 (struct tree_ssa_name): Add field 'value_range'.
3083 (PHI_REWRITTEN): Remove.
3084 (struct tree_phi_node): Remove field 'rewritten'.
3085 * doc/invoke.texi (-fdump-tree-storeccp, -ftree-copy-prop,
3086 -ftree-store-copy-prop): Document.
3087 * doc/tree-ssa.texi: Remove broken link to McCAT's compiler.
3088 Document usage of update_ssa.
3089
3090 2005-04-08 David Edelsohn <edelsohn@gnu.org>
3091
3092 PR target/20814
3093 * config/rs6000/predicates.md (altivec_register_operand): Accept
3094 SUBREG.
3095 (and64_operand): Do not limit CONST_INT to mask64_operand.
3096 (and64_2_operand): Do not limit CONST_INT to mask64_1or2_operand.
3097 (and_operand): Do not limit CONST_INT to mask_operand.
3098
3099 2005-04-09 Hans-Peter Nilsson <hp@axis.com>
3100
3101 PR rtl-optimization/20466
3102 * flow.c (invalidate_mems_from_set): Handle a MEM by checking it
3103 for overlap of the address of each list member.
3104 (mark_set_1): Call invalidate_mems_from_set for MEMs too.
3105
3106 2005-04-08 Mike Stump <mrs@apple.com>
3107
3108 * config/darwin.c (indirect_data): Fix typo in strncmp logic.
3109
3110 * config/rs6000/rs6000.c (rs6000_emit_prologue): Use 5 nops,
3111 instead of 4.
3112
3113 2005-04-08 Kazu Hirata <kazu@cs.umass.edu>
3114
3115 * c-tree.h (C_LANG_TREE_NODE_CHAIN_NEXT): Remove.
3116
3117 * function.c (push_function_context_to): Don't set
3118 contains_functions.
3119 * function.h (function): Remove contains_functions.
3120 (current_function_contains_functions): Remove.
3121
3122 * function.h (function): Remove instrument_entry_exit.
3123 (current_function_instrument_entry_exit): Remove.
3124
3125 * function.h (nonlocal_labels): Remove.
3126
3127 * tree.h (STRIP_MAIN_TYPE_NOPS): Remove.
3128
3129 * genattrtab.c (attr_desc): Remove negative_ok and unsigned_p.
3130 (check_attr_value, write_attr_get, write_expr_attr_cache,
3131 find_attr, make_internal_attr): Don't reference negative_ok or
3132 unsigned_p.
3133 * genattrtab.h (ATTR_NEGATIVE_OK, ATTR_UNSIGNED,
3134 ATTR_FUNC_UNITS, ATTR_BLOCKAGE): Remove.
3135 (ATTR_STATIC): Adjust the value.
3136
3137 * c-common.h (C_ARTIFICIAL_STRING_P): Remove.
3138
3139 2005-04-08 Ulrich Weigand <uweigand@de.ibm.com>
3140
3141 * config/s390/tpf.h (ASM_SPEC): Define.
3142
3143 2005-04-08 Kazu Hirata <kazu@cs.umass.edu>
3144
3145 * tree-flow.h: Remove the prototype for
3146 redirect_immediate_uses.
3147 (TDFA_USE_OPS, TDFA_USE_VOPS): Remove.
3148
3149 2005-04-08 Richard Earnshaw <richard.earnshaw@arm.com>
3150
3151 * arm.c (arm_const_double_by_parts): New function.
3152 * arm-protos.h (arm_const_double_by_parts): Add prototype.
3153 * arm.md (define_split for 64-bit constants): Add another one.
3154
3155 2005-04-08 Andrew MacLeod <amacleod@redhat.com>
3156
3157 * tree-ssa-operands.c (correct_use_link): Remove linear scan.
3158
3159 2005-04-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3160
3161 * system.h: Revert last change.
3162
3163 2005-04-08 Richard Sandiford <rsandifo@redhat.com>
3164
3165 * config/xtensa/xtensa.h (target_flags, MASK_NO_FUSED_MADD)
3166 (MASK_CONST16, TARGET_NO_FUSED_MADD, TARGET_CONST16)
3167 (TARGET_SWITCHES): Delete.
3168 * config/xtensa/xtensa.c (TARGET_DEFAULT_TARGET_FLAGS): Define.
3169 * config/xtensa/xtensa.md (muladdsf3, mulsubsf3): Check
3170 TARGET_FUSED_MADD instead of !TARGET_NO_FUSED_MADD.
3171 * config/xtensa/xtensa.opt: New file.
3172
3173 2005-04-08 Ben Elliston <bje@au.ibm.com>
3174
3175 * config/fp-bit.c: Include L_mul_tf in #endif comment.
3176 * config/fp-bit.h: Tidy comments.
3177
3178 2005-04-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3179
3180 * system.h: Poison PARAMS.
3181
3182 2005-04-07 Richard Sandiford <rsandifo@redhat.com>
3183
3184 * config/vax/vax.h (target_flags, MASK_UNIX_ASM, MASK_VAXC_ALIGNMENT)
3185 (MASK_G_FLOAT, TARGET_UNIX_ASM, TARGET_VAXC_ALIGNMENT, TARGET_G_FLOAT)
3186 (TARGET_SWITCHES): Delete.
3187 * config/vax/vax.c (TARGET_DEFAULT_TARGET_FLAGS): Override default.
3188 * config/vax/vax.opt: New file.
3189
3190 2005-04-07 Daniel Berlin <dberlin@dberlin.org>
3191
3192 * tree-ssa-dse.c (dse_optimize_stmt): Fix incorrect comment.
3193
3194 2005-04-07 Ian Lance Taylor <ian@airs.com>
3195
3196 * config/iq2000/iq2000.h (DONT_ACCESS_GBLS_AFTER_EPILOGUE): Don't
3197 define.
3198 * config/mips/mips.h (DONT_ACCESS_GBLS_AFTER_EPILOGUE): Likewise.
3199 * config/sparc/sparc.h (DONT_ACCESS_GBLS_AFTER_EPILOGUE):
3200 Likewise.
3201
3202 2005-04-07 Kazu Hirata <kazu@cs.umass.edu>
3203
3204 * tree-ssa-sink.c (nearest_common_dominator_of_uses): Consider
3205 all immediate uses in PHI nodes.
3206
3207 2005-04-07 Richard Earnshaw <richard.earnshaw@arm.com>
3208
3209 * arm.c (arm_const_double_inline_cost): Handle any constant by
3210 using gen_lowpart and gen_highpart_mode.
3211 (note_invalid_constants): All constants in an RTX with a constraint
3212 that permits memory are now pushed to the constant pool.
3213 (output_move_double): Delete code to handle reg to reg and
3214 constant to reg moves.
3215 (const_double_needs_minipool, output_mov_immediate): Delete.
3216 * arm.h (EXTRA_CONSTRAINT_STR_ARM): All 'D' variants now handle
3217 CONST_INT and CONST_VECTOR.
3218 * arm.md (ANY64): New mode macro.
3219 (arm_movdi): Split reg-reg and const-reg moves. Simplify constraints.
3220 (movdf_soft_insn): Split reg-reg and const-reg moves.
3221 (split patterns for 64-bit constant and register moves): New.
3222 * cirrus.md (cirrus_arm_movdi): Split reg-reg and const-reg moves.
3223 (cirrus_movdf_hard_insn): Likewise.
3224 * fpa.md (movdf_fpa): Likewise.
3225 * iwmmxt.md (iwmmxt_arm_movdi): Likewise.
3226 (movv8qi_internal, movv4hi_internal, movv2si_internal): Fix
3227 constraints.
3228 (movv2si_internal_2): Likewise.
3229 * vfp.md (arm_movdi_vfp): Split reg-reg and const-reg moves.
3230 (movdf_vfp): Likewise.
3231 * arm-protos.h (output_mov_immediate): Delete prototype.
3232
3233 2005-04-07 Joseph S. Myers <joseph@codesourcery.com>
3234
3235 PR target/20093
3236 * simplify-rtx.c (simplify_unary_operation_1): Check
3237 SUBREG_PROMOTED_UNSIGNED_P (op) > 0 for zero-extension.
3238
3239 2005-04-06 James E Wilson <wilson@specifixinc.com>
3240
3241 PR target/20717
3242 * cgraphunit.c (record_call_1, case FDESC_EXPR): Handle same as
3243 ADDR_EXPR.
3244
3245 2004-04-06 Richard Sandiford <rsandifo@redhat.com>
3246
3247 * coverage.h (GCOV_TYPE_NODE): Delete.
3248 * coverage.c (coverage_counter_alloc, tree_coverage_counter_ref)
3249 (build_ctr_info_type): Use get_gcov_type () instead of GCOV_TYPE_NODE.
3250 * tree-profile.c (tree_gen_edge_profiler, tree_gen_interval_profiler)
3251 (tree_gen_pow2_profiler, tree_gen_one_value_profiler): Likewise.
3252 * value-prof.c (tree_divmod_fixed_value_transform): Delete.
3253
3254 2004-04-06 Richard Sandiford <rsandifo@redhat.com>
3255
3256 PR other/20792
3257 * Makefile.in (gcc.pot): Remove options.c dependency.
3258 * optc-gen.awk: Don't quote help strings with N_().
3259
3260 2005-04-06 James A. Morrison <phython@gcc.gnu.org>
3261
3262 * c-common.c (handle_malloc_atttribute): Only set DECL_IS_MALLOC if
3263 the function returns a pointer type.
3264
3265 2005-04-06 Daniel Berlin <dberlin@dberlin.org>
3266
3267 * params.def (PARAM_SALIAS_MAX_IMPLICIT_FIELDS): New
3268 * params.h (SALIAS_MAX_IMPLICIT_FIELDS): New
3269 * doc/invoke.texi: Documnet salias-max-implicit-fields.
3270 * tree-ssa-alias.c (struct used_part): Add implicit_uses and
3271 explicit_uses members.
3272 (get_or_create_used_part_for): Initialize new fields.
3273 (fieldoff_compare): New function.
3274 (create_overlap_variables_for): Count number of fields, use
3275 heuristic to determine whether to create subvars for vars with
3276 only implicit uses.
3277 Sort the field list by offset and avoid creating duplicate SFT's.
3278
3279 2005-04-06 Richard Sandiford <rsandifo@redhat.com>
3280
3281 * c.opt (-F): Remove trailing whitespace from help string.
3282 (-finput-charset): Use a tab to separate the switch name and help
3283 string.
3284 * common.opt (-fsched-stalled-insns, -fsched-stalled-insns-dep)
3285 (-ftree-vectorizer-verbose): Likewise.
3286
3287 2005-04-06 Kazu Hirata <kazu@cs.umass.edu>
3288
3289 * tree-ssa-sink.c (nearest_common_dominator_of_uses): Look at
3290 a PHI argument where a use occurs instead of all PHI arguments.
3291
3292 2005-04-06 Joseph S. Myers <joseph@codesourcery.com>
3293
3294 * c-decl.c (finish_decl): Apply pending #pragma weak regardless of
3295 scope.
3296
3297 2005-04-06 Kazu Hirata <kazu@cs.umass.edu>
3298
3299 * cse.c, tree-flow-inline.h, tree-flow.h, tree-ssa-operands.c,
3300 tree-ssa-sink.c, tree.h, config/bfin/bfin.c,
3301 config/bfin/bfin.h: Fix comment typos.
3302
3303 2005-04-06 Ranjit Mathew <rmathew@hotmail.com>
3304
3305 * doc/install.texi: Update the URL for Jacks.
3306 * doc/sourcebuild.texi: Likewise.
3307
3308 2005-04-06 Eric Botcazou <ebotcazou@libertysurf.fr>
3309
3310 PR target/17245
3311 * config/sparc/sparc.c (legitimate_address_p): Remove 'imm2'.
3312 Revert 2004-10-08 patch. Reject TFmode LO_SUM in 32-bit mode.
3313
3314 2005-04-06 Kelley Cook <kcook@gcc.gnu.org>
3315
3316 * Makefile.in (LIBGCC2_CFLAGS): Revert -pipe change.
3317
3318 2005-04-06 Richard Sandiford <rsandifo@redhat.com>
3319
3320 * config/v850/v850-protos.h (override_options): Delete.
3321 * config/v850/v850.h (target_flags, MASK_GHS, MASK_LONG_CALLS, MASK_EP)
3322 (MASK_PROLOG_FUNCTION, MASK_DEBUG, MASK_V850, MASK_V850E)
3323 (MASK_SMALL_SLD, MASK_BIG_SWITCH, MASK_NO_APP_REGS, MASK_DISABLE_CALLT)
3324 (MASK_STRICT_ALIGN, MASK_US_BIT_SET, MASK_US_MASK_SET, TARGET_GHS)
3325 (TARGET_LONG_CALLS, TARGET_EP, TARGET_PROLOG_FUNCTION, TARGET_V850)
3326 (TARGET_BIG_SWITCH, TARGET_DEBUG, TARGET_V850E, TARGET_US_BIT_SET)
3327 (TARGET_SMALL_SLD, TARGET_DISABLE_CALLT, TARGET_NO_APP_REGS)
3328 (TARGET_STRICT_ALIGN, TARGET_SWITCHES, TARGET_OPTIONS)
3329 (OVERRIDE_OPTIONS): Delete.
3330 (MASK_CPU): Redefine as MASK_V850 | MASK_V850E.
3331 (small_memory_info): Remove the value field.
3332 (CONDITIONAL_REGISTER_USAGE): Check !TARGET_APP_REGS rather than
3333 TARGET_NO_APP_REGS.
3334 * config/v850/v850.c (small_memory): Remove the value field.
3335 (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
3336 (override_options): Delete.
3337 (v850_handle_memory_option, v850_handle_option): New functions.
3338 * config/v850/v850.opt: New file.
3339
3340 2005-04-06 Geoffrey Keating <geoffk@apple.com>
3341
3342 * config.host: Add a section for generic hosts, and a subsection
3343 for Darwin. Add a case for x86-darwin. Update ppc-darwin case.
3344 * config/host-darwin.c: New, split out of config/rs6000/host-darwin.c.
3345 * config/host-darwin.h: New.
3346 * config/x-darwin: New.
3347 * config/i386/host-i386-darwin.c: New.
3348 * config/i386/x-darwin: New.
3349 * config/rs6000/host-darwin.c: Include host-darwin.h.
3350 (darwin_rs6000_gt_pch_get_address): Move to config/host-darwin.c.
3351 (darwin_rs6000_gt_pch_use_address): Likewise.
3352 * config/rs6000/x-darwin: Change name of .o built, update
3353 dependencies for changes to rs6000/host-darwin.c.
3354
3355 2005-04-06 Ralf Corsepius <ralf.corsepius@rtems.org>
3356
3357 PR target/17824
3358 * config/c4x/c4x.h (ASM_PROG, LD_PROG): Remove.
3359
3360 2005-04-06 Dorit Naishlos <dorit@il.ibm.com>
3361
3362 * tree-vect-analyze.c (vect_analyze_loop_form): Call
3363 split_loop_exit_edge instead of loop_split_edge_with.
3364
3365 2005-04-06 Paolo Bonzini <bonzini@gnu.org>
3366
3367 * config/rs6000/altivec.md (UNSPEC_VSLW, UNSPEC_SUBS,
3368 UNSPEC_SET_VSCR): New constants, used throughout.
3369 (*andc3_v4sf): New.
3370 (altivec_vspltisb, altivec_vsplitish, altivec_vsplitisw):
3371 Replace with...
3372 (altivec_vspltis<VI_char>): ... this pattern, using
3373 a QImode const_int_operand for the immediate.
3374 (abs<mode>2, absv4sf2, altivec_abss_<mode>): Rewrite as
3375 define_expands.
3376
3377 2005-04-06 Ralf Corsepius <ralf.corsepius@rtems.org>
3378
3379 PR target/17822
3380 * config/avr/t-avr (AR_FOR_TARGET,RANLIB_FOR_TARGET): Remove.
3381
3382 2005-04-06 Kelley Cook <kcook@gcc.gnu.org>
3383
3384 * Makefile.in (LIBGCC2_CFLAGS): Compile with -pipe.
3385
3386 2005-04-06 Ben Elliston <bje@au.ibm.com>
3387
3388 * gcc.c: Correct comment about DEFAULT_SWITCH_TAKES_ARG and
3389 DEFAULT_WORD_SWITCH_TAKES_ARG which incorrectly reported these
3390 macros as living in "this file" and not gcc.h.
3391
3392 2005-04-06 Ben Elliston <bje@au.ibm.com>
3393
3394 * doc/invoke.texi (Optimize Options): Mention -ftree-lrs, not
3395 -ftree-live_range_split. Perhaps renamed at some point?
3396
3397 2005-04-06 Zdenek Dvorak <dvorakz@suse.cz>
3398
3399 PR target/20625
3400 * tree-ssa-loop-ivopts.c (generic_type_for): New function.
3401 (add_candidate_1): Use generic_type_for instead of unsigned_type_for.
3402
3403 2005-04-06 Zdenek Dvorak <dvorakz@suse.cz>
3404
3405 * tree-flow.h (number_of_iterations_cond): Declaration removed.
3406 * tree-ssa-loop-niter.c (number_of_iterations_cond): Made static.
3407 (number_of_iterations_special): New function.
3408 (number_of_iterations_exit): Use number_of_iterations_special.
3409 Use simplify_using_outer_evolutions only at -O3.
3410 (number_of_iterations_cond, tree_simplify_using_condition,
3411 simplify_using_initial_conditions, loop_niter_by_eval,
3412 compare_trees, can_count_iv_in_wider_type_bound,
3413 simplify_using_outer_evolutions): Use fold_build.
3414
3415 2005-04-05 Thomas Fitzsimmons <fitzsim@redhat.com>
3416
3417 * doc/install.texi (Configuration): Document --with-java-home.
3418
3419 2005-04-05 Richard Henderson <rth@redhat.com>
3420
3421 PR target/20342
3422 PR target/20447
3423 * config/i386/i386.c (print_operand): Handle vector zeros.
3424 (ix86_split_to_parts): Handle CONST_VECTOR.
3425 (ix86_hard_regno_mode_ok): Allow MMX modes in general regs.
3426 (ix86_modes_tieable_p): Use ix86_hard_regno_mode_ok to decide
3427 what modes to tie for MMX and SSE registers.
3428 * config/i386/i386.h (MMX_REG_MODE_P): Remove.
3429 * config/i386/i386.md: Extend move 0 -> xor peephole to apply
3430 to vector modes as well.
3431 * config/i386/predicates.md (const0_operand): Handle VOIDmode
3432 properly as an input mode.
3433
3434 2005-04-05 Andrew MacLeod <amacleod@redhat.com>
3435
3436 * tree-ssa-operands.c (verify_abort): Use %p for pointers.
3437
3438 2005-04-05 Andrew MacLeod <amacleod@redhat.com>
3439
3440 * tree-pretty-print.c (dump_generic_node): Use %p for pointer.
3441
3442 2005-04-05 Jakub Jelinek <jakub@redhat.com>
3443
3444 * config/i386/i386.c (init_cumulative_args): For -m32 -mfpmath=sse
3445 and local functions, set sse_nregs to 8 and float_in_sse.
3446 (function_arg_advance, function_arg): If float_in_sse, pass
3447 SFmode and DFmode arguments in SSE registers.
3448 * config/i386/i386.h (CUMULATIVE_ARGS): Add float_in_sse field.
3449
3450 * config/i386/i386.c (ix86_value_regno): Only optimize local functions
3451 of -funit-at-a-time.
3452
3453 2005-04-05 Paolo Bonzini <bonzini@gnu.org>
3454
3455 * config/i386/i386-protos.h (ix86_function_value): Accept two
3456 arguments, like the target macro.
3457 * config/i386/i386.h (FUNCTION_VALUE): Pass both arguments.
3458 * config/i386/i386.c (ix86_function_value): Accept the second
3459 argument of the target macro.
3460 (ix86_function_ok_for_sibcall): Pass a function pointer to
3461 ix86_function_value.
3462 (ix86_function_value, ix86_libcall_value) [!TARGET_64BIT]: Adjust
3463 call to ix86_value_regno).
3464 (ix86_value_regno): Add support for returning floating point values
3465 in SSE registers.
3466
3467 2005-04-05 Jakub Jelinek <jakub@redhat.com>
3468
3469 PR tree-optimization/20076
3470 * tree-inline.c (inline_forbidden_p_1): Prevent inlining functions
3471 that call __builtin_return or __builtin_apply_args.
3472
3473 2005-04-05 Andrew MacLeod <amacleod@redhat.com>
3474
3475 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use update_stmt.
3476 Use immediate use iterator.
3477 (stmt_is_bumper_for_loop): Use immediate use iterator.
3478 * predict.c (strip_builtin_expect): Use update_stmt.
3479 * tree-cfg.c (update_modified_stmts): New. Call update_stmt_if_modified
3480 on all elements of a STATEMENT_LIST.
3481 (bsi_insert_before, bsi_insert_after): Call update_modified_stmts.
3482 (bsi_remove): Remove imm_use links and mark the stmt as modified.
3483 (bsi_replace): Mark stmt as modified and the update it.
3484 * tree-complex.c (update_complex_assignment): Call mark_stmt_modified.
3485 (expand_complex_libcal): Call update_stmt.
3486 (expand_complex_comparison): Call mark_stmt_modified.
3487 (expand_complex_operations_1): Call update_stmt_if_modified.
3488 (expand_vector_operations_1): Call mark_stmt_modified.
3489 * tree-dfa.c (compute_immediate_uses, free_df_for_stmt, free_df,
3490 compute_immediate_uses_for_phi, compute_immediate_uses_for_stmt,
3491 add_immediate_use, redirect_immediate_use,
3492 redirect_immediate_uses, dump_immediate_uses, debug_immediate_uses,
3493 dump_immediate_uses_for, debug_immediate_uses_for): Delete.
3494 (mark_new_vars_to_rename): Call update_stmt.
3495 * tree-dump.c (dump_option_value_in): Add "stmtaddr".
3496 * tree-flow-inline.h (modify_stmt): Rename to mark_stmt_modified.
3497 Ignore PHI nodes.
3498 (unmodify_stmt): Delete.
3499 (update_stmt): New. Force an update of a stmt.
3500 (update_stmt_if_modified): update a stmt if it is out of date.
3501 (get_stmt_operands): Verify stmt is NOT modified.
3502 (stmt_modified_p): Update comment.
3503 (delink_imm_use): Remove a use node from its immuse list.
3504 (link_imm_use_to_list): Link a use node to a specific list.
3505 (link_imm_use): Link a node to the correct list.
3506 (set_ssa_use_from_ptr): Set a use node to a specific value, and insert
3507 it in the correct list, if appropriate.
3508 (link_imm_use_stmt): Link a use node, and set the stmt pointer.
3509 (relink_imm_use): Link a use node in place of another node in a list.
3510 (relink_imm_use_stmt): LInk a node in place of another node, and set
3511 the stmt pointer.
3512 (end_safe_imm_use_traverse): New. Terminate a safe immuse iterator.
3513 (end_safe_imm_use_p): New. Check for the end of a safe immuse iterator.
3514 (first_safe_imm_use): New. Initialize a safe immuse iterator.
3515 (next_safe_imm_use): New. Proceed to next safe immuse iterator value.
3516 (end_readonly_imm_use_p): New. Check for end of a fast immuse iterator.
3517 (first_readonly_imm_use): New. Initialize a fast immuse iterator.
3518 (next_readonly_imm_use): New. Get the next fast immuse iterator value.
3519 (has_zero_uses): New. Return true if there are no uses of a var.
3520 (has_single_use): New. Return true if there is only a single use of a
3521 variable.
3522 (single_imm_use): New. Return the simgle immediate use.
3523 (num_imm_uses): New. Return the number of immediate uses.
3524 (get_v_must_def_ops): Use is now a pointer.
3525 (use_operand_p, get_v_may_def_op_ptr, get_vuse_op_ptr,
3526 get_v_must_def_kill_ptr, get_phi_arg_def_ptr): Return the address of
3527 the use node.
3528 (get_immediate_uses, num_immediate_uses, immediate_use): Delete.
3529 (delink_stmt_imm_use): Delink all immuses from a stmt.
3530 (phi_arg_index_from_use): New. Return a phi arg index for a use.
3531 * tree-flow.h (struct dataflow_d): Delete.
3532 (immediate_use_iterator_d): New. Immediate use iterator struct.
3533 (FOR_EACH_IMM_USE_FAST): New. Macro for read only immuse iteration.
3534 (FOR_EACH_IMM_USE_SAFE): New. Macro for write-safe immuse iteration.
3535 (BREAK_FROM_SAFE_IMM_USE): New. Macro for earlyu exit from write-safe
3536 iteration.
3537 (struct stmt_ann_d): Remove dataflow_t from struct.
3538 * tree-if-conv.c (tree_if_conversion). Don't call free_df.
3539 (if_convertible_phi_p): Use FAST immuse iterator.
3540 (if_convertible_loop_p): Don't call compute_immediate_uses.
3541 (replace_phi_with_cond_modify_expr): Call update_stmt.
3542 * tree-into-ssa.c (mark_def_sites, ssa_mark_def_sites): Call
3543 update_stmt_if_modified.
3544 (rewrite_all_into_ssa): Initialize ssa operands.
3545 * tree-loop-linear.c (linear_transform_loops): Don't call free_df or
3546 compute_immediate_uses.
3547 * tree-optimize.c (execute_todo): Call verify_ssa whenever the
3548 ssa_property is available.
3549 (execute_one_pass): Change parameters passed to execute_todo.
3550 * tree-outof-ssa.c (rewrite_trees): Don't call modify_stmt.
3551 (remove_ssa_form): Call fini_ssa_operands.
3552 (insert_backedge_copies): Delete call to modify_stmt.
3553 * tree-phinodes.c (make_phi_node): Initialize use nodes.
3554 (release_phi_node): Delink any use nodes before releasing.
3555 (resize_phi_node): Relink any use nodes.
3556 (remove_phi_arg_num): Delink the use node.
3557 (remove_phi_node): Release the ssa_name AFTER releasing the phi node.
3558 (remove_all_phi_nodes_for): Release phi node first.
3559 * tree-pretty-print.c (dump_generic_node): Print stmt address.
3560 * tree-sra.c (mark_all_v_defs): Call update_stmt_if_modified.
3561 (scalarize_use, scalarize_copy): Call update_stmt.
3562 * tree-ssa-alias.c (compute_may_aliases): Update all modified stmts.
3563 (compute_points_to_and_addr_escape): Call mark_stmt_modified.
3564 * tree-ssa-cpp.c (need_imm_uses_for): Delete.
3565 (ccp_initialize): Remove call to compute_immediate_uses.
3566 (substitute_and_fold, execute_fold_all_builtins): Call update_stmt.
3567 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Update all modified
3568 stmts.
3569 (simplify_cond_and_lookup_avail_expr): Call mark_stmt_modified.
3570 (simplify_switch_and_lookup_avail_expr): Call mark_stmt_modified.
3571 (eliminate_redundant_computations): Call mark_stmt_modified.
3572 (cprop_operand): Call mark_stmt_modified.
3573 (optimize_stmt): Call update_stmt_if_modified and mark_stmt_modified.
3574 * tree-ssa-dse.c (fix_phi_uses, fix_stmt_v_may_defs): Delete.
3575 (dse_optimize_stmt): Use new immuse interface.
3576 (tree_ssa_dse): Remove calls to compute_immediate_uses and free_df.
3577 * tree-ssa-forwprop.c (need_imm_uses_for): Delete.
3578 (substitute_single_use_vars): Use new immuse interface.
3579 (tree_ssa_forward_propagate_single_use_vars): Remove calls to free_df
3580 and compute_immediate_uses.
3581 * tree-ssa-loop-im.c (single_reachable_address): Use new immuse
3582 interface.
3583 (rewrite_mem_refs): Call update_stmt.
3584 (determine_lsm): Remove call to compute_imm_uses and free_df.
3585 * tree-ssa-loop-ivcanon.c (create_canonical_iv): Call update_stmt.
3586 (try_unroll_loop_completely): Call update_stmt.
3587 * tree-ssa-loop-ivopts.c (rewrite_address_base): Call update_stmt.
3588 (rewrite_use_compare): Call update_stmt.
3589 (compute_phi_arg_on_exit): Insert each stmt before trying to process.
3590 (rewrite_use) : Call update_stmt.
3591 * tree-ssa-loop-manip.c (verify_loop_closed_ssa): Add arg to call.
3592 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Call
3593 update_stmt.
3594 * tree-ssa-operands.c (NULL_USE_OPERAND_P): Remove declaration.
3595 (allocate_use_optype, allocate_vuse_optype): Adjust allocation size.
3596 (free_uses, free_vuses, free_v_may_defs, free_v_must_defs): Delink
3597 use nodes.
3598 (initialize_vuse_operand): New. Initialize a vuse operand.
3599 (initialize_v_may_def_operand): New. Initialize a maydef operand.
3600 (initialize_v_must_def_operand): New. Initialize a mustdef operand.
3601 (finalize_ssa_defs): Use stmt parameter.
3602 (correct_use_link): Ensure a use node is in the correct list, and has
3603 the correct stmt pointer.
3604 (finalize_ssa_uses, finalize_ssa_v_may_defs, finalize_ssa_vuses,
3605 finalize_ssa_v_must_defs): Also initialize use nodes.
3606 (finalize_ssa_stmt_operands): Pass extra stmt operands.
3607 (build_ssa_operands): Seperate parsing from final operand construction.
3608 (parse_ssa_operands): New. Parse entry point for operand building.
3609 (swap_tree_operands): New. Swap 2 tree operands.
3610 (update_stmt_operands): Ranamed from get_stmt_operands. Always builds
3611 operands.
3612 (get_expr_operands): Call swap_tree_operands when needed.
3613 (copy_virtual_operands): Use initialize routines for virtual use ops.
3614 (create_ssa_artficial_load_stmt): Add extra stmt parameter.
3615 (verify_abort): New. Issue imm_use error.
3616 (verify_imm_links): New Verify imm_use links for a var.
3617 (dump_immediate_uses_for): New. Dump imm_uses for a var to file.
3618 (dump_immediate_uses): New. Dump imm_uses for all vars to file.
3619 (debug_immediate_uses): New. Dump imm_uses for all vars to stderr.
3620 (debug_immediate_uses_for): New. Dump imm_uses for a var to stderr.
3621 * tree-ssa-operands.h (struct use_operand_ptr): Delete.
3622 (NULL_USE_OPERAND_P) Define.
3623 (use_optype_d, v_def_use_operand_type, vuse_optype_d): Add immediate
3624 use node.
3625 (struct vuse_operand_type): New struct.
3626 (SET_USE): Call set_ssa_use_from_ptr.
3627 (USE_STMT): Define.
3628 (PHI_ARG_INDEX_FROM_USE): Define.
3629 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Set the phi
3630 argument via SET_USE, not PHI_ARG_DEF_TREE.
3631 * tree-ssa-pre.c (eliminate): Call update_stmt.
3632 * tree-ssa-propagate.c (cfg_blocks_get): Use imm_use iterators. Don't
3633 call free_df.
3634 * tree-ssa-sink.c (all_immediate_uses_same_place): Use imm_use iterator.
3635 (nearest_common_dominator_of_uses): Use imm_use iterator.
3636 (statement_sink_location): Use imm_use iterator and interface.
3637 (execute_sink_code): Don't call compute_immediate_uses or free-df.
3638 * tree-ssa-threadupdate.c (create_edge_and_update_destination_phis): Use
3639 PHI_ARG_DEF, not PHI_ARG_DEF_TREE.
3640 * tree-ssa.c (verify_use, verify_phi_args): Verify some imm_use info.
3641 (verify_ssa): Ensure no stmt is marked modify after optimization pass
3642 if new parameter is true.
3643 (init_tree_ssa): Don't initialize operand cache here.
3644 (delete_tree_ssa): Don't destroy operand cache here.
3645 (propagate_into_addr): Pass in a use pointer, return true if anything
3646 was changed.
3647 (replace_immediate_uses): Use imm_use iterator, call update_stmt.
3648 (check_phi_redundancy): Use imm_use iterator.
3649 (kill_redundant_phi_nodes): Don't call compute_immediate_uses or
3650 free_df.
3651 * tree-ssanames.c (make_ssa_name): Initialize imm_use node.
3652 (release_ssa_name): Delink node and all elements in its imm_use list.
3653 * tree-tailcall.c (adjust_return_value): Call update_stmt.
3654 * tree-vect-analyze.c (vect_stmt_relevant_p): Use imm_use iterator.
3655 * tree-vectorizer.c (need_imm_uses_for): Delete.
3656 (vectorize_loops): Dont call compute_immediate_uses or free_df.
3657 * tree.h (struct ssa_imm_use_d): Define.
3658 (SSA_NAME_IMM_USE_NODE): Define.
3659 (struct tree_ssa_name): Add imm_use node.
3660 (PHI_DF): Delete.
3661 (PHI_ARG_IMM_USE_NODE): Define.
3662 (struct phi_arg_d): Add imm_use node.
3663 (struct tree_phi_node): Remove struct dataflow_d element.
3664 (TDF_STMTADDR): Define.
3665
3666 2005-04-05 Dale Johannesen <dalej@apple.com>
3667
3668 * doc/invoke.texi (Optimization Options): Remove
3669 duplicate -fcse-follow-jumps. Add -fweb.
3670 (-ftree-lim): Fix spelling (-ftree-loop-im, invariants).
3671 (-fivcanon): Fix spelling (-ftree-loop-ivcanon).
3672
3673 2005-04-05 Per Bothner <per@bothner.com>
3674
3675 * tree-ssa.c (execute_early_warn_uninitialized): Pass context node
3676 to talk_tree as 'data' parameter, rather than EXPR_LOCUS.
3677 (warn_uninit): Get EXPR_LOCUS from context now instead.
3678 This fixes a USE_MAPPED_LOCATION testsuite failure.
3679
3680 * tree-ssa.c (warn_uninitialized_var): Remove useless local.
3681
3682 2005-04-05 Per Bothner <per@bothner.com>
3683
3684 * c-decl.c (finish_function): If USE_MAPPED_LOCATION set the location
3685 of the artification 'return 0' in main() to BUILTINS_LOCATION.
3686 * tree-cfg.c (remove_bb): Check that location isn't BUILTINS_LOCATION
3687 before warning.
3688
3689 2004-04-05 Devang Patel <dpatel@apple.com>
3690
3691 * config/rs600/altivec.md (altivec_vsr<VI_char>): Rename to ..
3692 (lhsr<mode>3): ... new name.
3693 (altivec_vsra<VI_char>): Rename to ..
3694 (ashr<mode>3): ... new name.
3695 * config/rs6000/rs6000.c (builtin_description): Rename shift
3696 operations.
3697
3698 2004-04-05 Paolo Bonzini <bonzini@gnu.org>
3699
3700 * combine.c (RTL_HOOKS_GEN_LOWPART_NO_EMIT): Use
3701 gen_lowpart_for_combine.
3702 * cse.c (gen_lowpart_if_possible): Move...
3703 * rtlhooks.c (gen_lowpart_if_possible): ... here. Also try
3704 gen_lowpart_SUBREG.
3705 (gen_lowpart_no_emit_general): Use it.
3706
3707 2005-04-05 Eric Botcazou <ebotcazou@libertysurf.fr>
3708
3709 * config/sparc/sparc.c (TARGET_ASM_FILE_END): Undefine before
3710 overriding.
3711
3712 2005-04-05 Paolo Bonzini <bonzini@gnu.org>
3713
3714 * system.h: Fix typo.
3715
3716 2005-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
3717
3718 * config/bfin/bfin-modes.def: New file.
3719 * config/bfin/bfin-protos.h: New file.
3720 * config/bfin/bfin.c: New file.
3721 * config/bfin/bfin.h: New file.
3722 * config/bfin/bfin.md: New file.
3723 * config/bfin/bfin.opt: New file.
3724 * config/bfin/crti.s: New file.
3725 * config/bfin/crtn.s: New file.
3726 * config/bfin/elf.h: New file.
3727 * config/bfin/lib1funcs.asm: New file.
3728 * config/bfin/predicates.md: New file.
3729 * config/bfin/t-bfin: New file.
3730 * config/bfin/t-bfin-elf: New file.
3731 * doc/extend.texi (exception_handler, kspisusp, nesting, nmi_handler):
3732 Document new attributes.
3733 (interrupt, interrupt_handler, saveall): Update documentation for
3734 these attributes.
3735 * doc/install.texi (Specific): Add entry for the Blackfin.
3736 * doc/invoke.texi (Blackfin Options): New section.
3737 * doc/md.texi (Blackfin family): New section to document constraints.
3738 * config.gcc: Add bfin*-* and bfin*-elf configurations.
3739
3740 2005-04-05 Olivier Hainque <hainque@adacore.com>
3741
3742 * config/mips/iris6.h (DWARF_FRAME_RETURN_COLUMN): Redefine to
3743 match what the system unwinder expects.
3744 * config/mips/mips.c (mips_frame_set): If we're saving the return
3745 address register and the dwarf return address column number differs
3746 from the hard register number, adjust the note reg to refer to the
3747 former.
3748
3749 2004-04-05 Richard Sandiford <rsandifo@redhat.com>
3750
3751 * config/mn10300/mn10300-protos.h (mn10300_override_options): Declare.
3752 * config/mn10300/mn10300.h (target_flags, TARGET_MULT_BUG)
3753 (TARGET_SWITCHES, TARGET_DEFAULT): Delete.
3754 (processor_type): New enum.
3755 (mn10300_processor): New variable.
3756 (TARGET_AM33, TARGET_AM33_2): Redefine in terms of mn10300_processor.
3757 (PROCESSOR_DEFAULT, OVERRIDE_OPTIONS): New macros.
3758 * config/mn10300/linux.h (TARGET_SWITCHES, TARGET_DEFAULT): Delete.
3759 (PROCESSOR_DEFAULT): New macro.
3760 * config/mn10300/mn10300.c (mn10300_processor): New variable.
3761 (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
3762 (mn10300_handle_option, mn10300_override_options): New functions.
3763 * config/mn10300/mn10300.opt: New file.
3764
3765 2005-04-05 Eric Botcazou <ebotcazou@libertysurf.fr>
3766 Sebastian Pop <sebastian.pop@cri.ensmp.fr>
3767
3768 PR tree-optimization/19903
3769 * tree-chrec.c (chrec_convert): Return chrec_dont_know for constants
3770 that don't fit in their type after conversion.
3771
3772 2005-04-05 Uros Bizjak <uros@kss-loka.si>
3773
3774 PR target/20421
3775 * config/i386/i386.md (frndintxf2_floor, frndintxf2_ceil)
3776 (frndintxf2_trunc, frndintxf2_mask_pm): Add FLAGS_REG clobber.
3777 Allocate local stack slots here. Set ix86_optimize_mode_switching.
3778 flag here. Implement using define_insn_and_split.
3779 (frndintxf2_floor_i387, frndintxf2_ceil_i387, frndintxf2_trunc_i387)
3780 (frndintxf2_mask_pm_i387): New insn patterns.
3781 (floorsf2, floordf2, floorxf2): Remove local stack slot allocations.
3782 Do not set ix86_optimize_mode_switching flag.
3783 (ceilsf2, ceildf2, ceilxf2): Same.
3784 (btruncsf2, btruncdf2, btruncxf2): Same.
3785 (nearbyintsf2, nearbyintdf2, nearbyintxf2): Same.
3786
3787 2005-04-05 Ian Lance Taylor <ian@airs.com>
3788
3789 PR debug/9963
3790 * config/i386/cygming.h (ASM_OUTPUT_EXTERNAL): Pass DECL to
3791 i386_pe_record_external_function.
3792 (i386_pe_record_external_function): Update declaration.
3793 * config/i386/winnt.c (struct extern_list): Add decl field.
3794 (i386_pe_record_external_function): Add decl parameter.
3795 (i386_pe_file_end): Check TREE_ASM_WRITTEN on decl, not
3796 identifier.
3797 * config/i386/i386-protos.h (i386_pe_record_external_function):
3798 Update declaration.
3799
3800 2005-04-05 Kazu Hirata <kazu@cs.umass.edu>
3801
3802 * config/m68k/m68k-protos.h: Add a prototype for
3803 valid_dbcc_comparison_p_2.
3804 * config/m68k/m68k.c (not_sp_operand, symbolic_operand,
3805 extend_operator, const_uint32_operand, const_sint32_operand,
3806 general_src_operand, nonimmediate_src_operand,
3807 memory_src_operand, post_inc_operand, pre_dec_operand,
3808 pcrel_address): Move to predicates to predicates.md.
3809 * config/m68k/m68k.h (PREDICATE_CODES): Remove.
3810 * config/m68k/m68k.md: Include predicates.md.
3811 * config/m68k/predicates.md: New.
3812
3813 2005-04-04 Roger Sayle <roger@eyesopen.com>
3814
3815 * config/i386/i386.md (*truncdfsf2_i387_1): New pattern.
3816
3817 * fold-const.c (maybe_lvalue_p): Delete orphaned comment.
3818
3819 2005-04-04 Ian Lance Taylor <ian@airs.com>
3820
3821 * c-typeck.c (struct c_switch): Rename switch_stmt field to
3822 switch_expr.
3823 (c_start_case): Build SWITCH_EXPR, not SWITCH_STMT.
3824 (do_case): Use SWITCH_COND rather than SWITCH_STMT_COND.
3825 (c_finish_case): Use SWITCH_BODY rather than SWITCH_STMT_BODY.
3826 Call c_do_switch_expr_warnings rather than c_do_switch_warnings.
3827 * c-common.c (c_do_switch_warnings_1): New static function broken
3828 out of c_do_switch_warnings.
3829 (c_do_switch_warnings): Call c_do_switch_warnings_1.
3830 (c_do_switch_expr_warnings): New function.
3831 * c-common.h (c_do_switch_expr_warnings): Declare.
3832
3833 2005-04-04 David Edelsohn <edelsohn@gnu.org>
3834 Daniel Jacobowitz <dan@codesourcery.com>
3835
3836 * tree-eh.c (tree_could_trap_p): Allow non-constant floating point
3837 trapping divide.
3838 * rtlanal.c (may_trap_p): Same.
3839
3840 2005-04-04 Dale Johannesen <dalej@apple.com>
3841
3842 * ChangeLog: remove reference to ChangeLog.12.
3843
3844 2005-04-05 Hans-Peter Nilsson <hp@axis.com>
3845
3846 CRIS epilogue as RTL.
3847 * config/cris/cris.md: Change all 0 in unspec 0 to
3848 CRIS_UNSPEC_PLT.
3849 (CRIS_UNSPEC_PLT, CRIS_UNSPEC_FRAME_DEALLOC): New constants.
3850 ("*cris_load_multiple", "cris_frame_deallocated_barrier"): New
3851 patterns.
3852 ("return"): Change to define_expand. Call cris_expand_return for
3853 actual expansion.
3854 ("*return_expanded"): New pattern.
3855 ("epilogue"): New define_expand.
3856 * config/cris/cris.h (PREDICATE_CODES): Add
3857 cris_load_multiple_op.
3858 * config/cris/cris.c (ASSERT_PLT_UNSPEC): Correct test for unspec
3859 type.
3860 (enum cris_retinsn_type): New.
3861 (struct machine_function): New member return_type.
3862 (TARGET_ASM_FUNCTION_EPILOGUE): Don't override.
3863 (cris_target_asm_function_epilogue): Remove, moving RTLified
3864 contents to...
3865 (cris_expand_epilogue): New function.
3866 (cris_reg_saved_in_regsave_area, cris_movem_load_rest_p,
3867 (cris_gen_movem_load, cris_load_multiple_op)
3868 (cris_return_address_on_stack_for_return, cris_expand_return): New
3869 functions.
3870 (cris_target_asm_function_prologue)
3871 (cris_initial_frame_pointer_offset): Call
3872 cris_reg_saved_in_regsave_area instead of complicated expression.
3873 Call cris_return_address_on_stack instead of an expression.
3874 (cris_print_operand) <case 'o', case 'O'>: New cases.
3875 (cris_return_address_on_stack): Change return-type to bool.
3876 (cris_simple_epilogue): Ditto. Return false if registers are
3877 saved.
3878 * config/cris/cris-protos.h (cris_simple_epilogue)
3879 (cris_return_address_on_stack): Adjust prototype return type.
3880 (cris_gen_movem_load, cris_expand_epilogue, cris_expand_return)
3881 (cris_return_address_on_stack_for_return): New prototypes.
3882
3883 2005-04-04 Kazu Hirata <kazu@cs.umass.edu>
3884
3885 * config/frv/frv.h (PREDICATE_CODES): Add CONST to
3886 gpr_or_int12_operand.
3887
3888 * config/frv/frv-protos.h: Add a prototype to
3889 frv_legitimate_memory_operand and frv_const_unspec_p.
3890 (frv_unspec): Move from frv.c.
3891 * config/frv/frv.c (frv_unspec): Move to frv-protos.h.
3892 (frv_const_unspec_p, frv_legitimate_memory_operand_): Export.
3893 (ldd_address_operand, fdpic_fptr_operand, frv_load_operand,
3894 gpr_or_fpr_operand, gpr_or_int12_operand,
3895 gpr_fpr_or_int12_operand, fpr_or_int6_operand,
3896 gpr_or_int10_operand, gpr_or_int_operand, int12_operand,
3897 int6_operand, int5_operand, uint5_operand, uint4_operand,
3898 uint1_operand, int_2word_operand, uint16_operand,
3899 upper_int16_operand, integer_register_operand,
3900 gpr_no_subreg_operand, fpr_operand, even_reg_operand,
3901 odd_reg_operand, even_gpr_operand, odd_gpr_operand,
3902 quad_fpr_operand, even_fpr_operand, odd_fpr_operand,
3903 dbl_memory_one_insn_operand, dbl_memory_two_insn_operand,
3904 move_destination_operand, movcc_fp_destination_operand,
3905 frv_function_symbol_referenced_p, move_source_operand,
3906 condexec_dest_operand, condexec_source_operand,
3907 reg_or_0_operand, lr_operand, fdpic_operand, got12_operand,
3908 const_unspec_operand, gpr_or_memory_operand,
3909 gpr_or_memory_operand_with_scratch, fpr_or_memory_operand,
3910 icc_operand, fcc_operand, cc_operand, icr_operand,
3911 fcr_operand, cr_operand, call_operand, sibcall_operand,
3912 symbolic_operand, relational_operator,
3913 integer_relational_operator, float_relational_operator,
3914 ccr_eqne_operator, minmax_operator,
3915 condexec_si_binary_operator, condexec_si_media_operator,
3916 condexec_si_divide_operator, condexec_si_unary_operator,
3917 condexec_sf_conv_operator, condexec_sf_add_operator,
3918 condexec_memory_operand, intop_compare_operator, acc_operand,
3919 even_acc_operand, quad_acc_operand, accg_operand: Move to
3920 predicates.md.
3921 * config/frv/frv.h (PREDICATE_CODES): Remove.
3922 * config/frv/frv.md: Include predicates.md.
3923 * config/frv/predicates.md: New.
3924
3925 2004-04-04 Richard Sandiford <rsandifo@redhat.com>
3926
3927 PR target/19537
3928 * Makefile.in (tree-ssa-loop-ivopts.o): Depend on langhooks.h.
3929 * tree-ssa-loop-ivopts.c: Include langhooks.h.
3930 (add_standard_iv_candidates_for_size): New function, extracting code
3931 from add_standard_iv_candidates and parameterizing it by type size.
3932 (add_standard_iv_candidates): Use add_standard_iv_candidates_for_size.
3933
3934 2004-04-04 Richard Sandiford <rsandifo@redhat.com>
3935
3936 * system.h (GCOV_SIZE_TYPE): Unposion.
3937 * gcov-io.h (GCOV_TYPE_NODE): Delete, replacing with...
3938 (GCOV_TYPE_SIZE): ...this new macro.
3939 * coverage.h (get_gcov_type, GCOV_TYPE_NODE): Declare.
3940 * coverage.c (get_gcov_type, get_gcov_unsigned_t): New functions.
3941 (rtl_coverage_counter_ref): Use GCOV_TYPE_SIZE.
3942 (build_fn_info_type, build_fn_info_value, build_ctr_info_type)
3943 (build_ctr_info_value, build_gcov_info): Use get_gcov_unsigned_t
3944 instead of unsigned_intSI_type_node.
3945 * rtl-profile.c (rtl_gen_interval_profiler, rtl_gen_pow2_profiler)
3946 (rtl_gen_one_value_profiler_no_edge_manipulation)
3947 (rtl_gen_const_delta_profiler): Use GCOV_TYPE_SIZE.
3948 * value-prof.c: Include coverage.h.
3949
3950 2005-04-02 Daniel Berlin <dberlin@dberlin.org>
3951 Diego Novillo <dnovillo@redhat.com>
3952
3953 Fix PR tree-optimization/20703
3954 Fix PR tree-optimization/20725
3955
3956 * tree-ssa-pre.c (phi_translate): Handle tcc_comparison.
3957 (create_expression_by_pieces): Ditto.
3958 (valid_in_set): Ditto. Also handle tcc_declaration.
3959 (find_or_generate_expression): Handle comparison class.
3960 (insert_into_preds_of_block): Ditto.
3961 (insert_aux): Ditto.
3962 (create_value_expr_from): Handle comparison class, recursively
3963 handle reference nodes.
3964 (compute_avail): Handle comparison classes, rewrite a little cleaner.
3965 (execute_pre): Fix spacing.
3966 (do_fre): Renamed to execute_fre.
3967
3968 2005-04-04 Eric Botcazou <ebotcazou@libertysurf.fr>
3969
3970 * doc/invoke.texi (SPARC options): Document that
3971 -mlittle-endian is not supported on Linux either.
3972
3973 2005-04-04 Eric Botcazou <ebotcazou@libertysurf.fr>
3974
3975 PR target/4198
3976 PR target/12027
3977 * config.gcc (Obsolete configurations): Remove
3978 sparclite-*-coff*, sparclite-*-elf* and sparc86x-*-elf*.
3979 (sparclite-*-coff*): Delete.
3980 (sparclite-*-elf*): Likewise.
3981 (sparc86x-*-elf*): Likewise.
3982 (target_cpu_default) <sparc*-*-*>: Remove sparc86x.
3983 * config/sparc/lite.h: Delete.
3984 * config/sparc/litecoff.h: Likewise.
3985 * config/sparc/liteelf.h: Likewise.
3986 * config/sparc/sp86x-elf.h: Likewise.
3987 * config/sparc/t-sparclite: Likewise.
3988 * config/sparc/t-sp86x: Likewise.
3989
3990 2005-04-04 Adrian Straetling <straetling@de.ibm.com>
3991
3992 * config/s390/s390-protos.h: (s390_comparison,
3993 s390_alc_comparison, s390_slb_comparison, const0_operand,
3994 consttable_operand, larl_operand, s_operand,
3995 shift_count_operand, bras_sym_operand, load_multiple_operation,
3996 store_multiple_operation, s390_plus_operand): Remove prototypes.
3997 (s390_legitimate_address_without_index_p): New prototype.
3998 * config/s390/s390.c: (SYMBOL_FLAG_ALIGN1, DISP_IN_RANGE): Move
3999 to s390.h.
4000 (s390_comparison, s390_alc_comparison, s390_slb_comparison,
4001 const0_operand, consttable_operand, larl_operand, s_operand,
4002 shift_count_operand, bras_sym_operand, load_multiple_operation,
4003 store_multiple_operation, s390_plus_operand): Move to
4004 predicates.md.
4005 (check_mode): Remove.
4006 (s390_branch_condition_mask): Remove 'static'. Move prototype to
4007 s390-protos.h.
4008 (s390_legitimate_address_without_index_p): New.
4009 * config/s390/s390.h (PREDICATE_CODES): Remove.
4010 * config/s390/s390.md: Include predicates.md.
4011 * config/s390/predicates.md: New.
4012
4013 2005-04-04 Eric Botcazou <ebotcazou@libertysurf.fr>
4014
4015 PR target/20446
4016 * config/sparc/sparc.h (NEED_INDICATE_EXEC_STACK): Define to 0.
4017 * config/sparc/linux.h (TARGET_ASM_FILE_END): Delete.
4018 (NEED_INDICATE_EXEC_STACK): Define to 1.
4019 * config/sparc/linux64.h (TARGET_ASM_FILE_END): Delete.
4020 (NEED_INDICATE_EXEC_STACK): Define to 1.
4021 * config/sparc/sparc.c (TARGET_ASM_FILE_END): Set to sparc_file_end.
4022 (add_pc_to_pic_symbol): Rename into pic_helper_symbol.
4023 (add_pc_to_pic_symbol_name): Rename into pic_helper_symbol_name.
4024 (pic_helper_emitted_p): New global.
4025 (emit_pic_helper): New function extracted from...
4026 (load_pic_register): ...here. Add 'delay_pic_helper' parameter.
4027 Do not call emit_pic_helper if delay_pic_helper is true.
4028 (sparc_expand_prologue): Pass 'false' to load_pic_register.
4029 (sparc_output_mi_thunk): Pass 'true' to load_pic_register.
4030 (sparc_file_end): New function.
4031
4032 2005-04-04 Kazu Hirata <kazu@cs.umass.edu>
4033
4034 * config/mcore/mcore-protos.h: Remove the prototypes for
4035 mcore_arith_reg_operand, mcore_general_movsrc_operand,
4036 mcore_general_movdst_operand, mcore_reload_operand,
4037 mcore_arith_J_operand, mcore_arith_K_operand,
4038 mcore_arith_K_operand_not_0, mcore_arith_M_operand,
4039 mcore_arith_K_S_operand, mcore_arith_imm_operand,
4040 mcore_arith_any_imm_operand, mcore_arith_O_operand,
4041 mcore_literal_K_operand, mcore_addsub_operand,
4042 mcore_compare_operand, mcore_load_multiple_operation,
4043 mcore_store_multiple_operation, mcore_call_address_operand.
4044 Add a prototype for const_ok_for_mcore.
4045 * config/mcore/mcore.c (mcore_call_address_operand,
4046 mcore_general_movsrc_operand, mcore_general_movdst_operand,
4047 mcore_arith_reg_operand, mcore_reload_operand,
4048 mcore_arith_J_operand, mcore_arith_K_operand,
4049 mcore_arith_K_operand_not_0, mcore_arith_K_S_operand,
4050 mcore_arith_M_operand, mcore_arith_imm_operand,
4051 mcore_arith_any_imm_operand, mcore_arith_O_operand,
4052 mcore_literal_K_operand, mcore_addsub_operand,
4053 mcore_compare_operand, mcore_load_multiple_operation,
4054 mcore_store_multiple_operation): Move to predicates.md.
4055 (const_ok_for_mcore): Export.
4056 * config/mcore/mcore.h (PREDICATE_CODES): Remove.
4057 * config/mcore/mcore.md: Include predicates.md.
4058 * config/mcore/predicates.md: New.
4059
4060 * config/mcore/predicates.md: Fix a comment typo.
4061
4062 2005-04-04 Andreas Krebbel <krebbel1@de.ibm.com>
4063 Adrian Straetling <straetling@de.ibm.com>
4064
4065 * config/s390/2064.md ("z_mul", "z_inf"): New insn reservations.
4066 * config/s390/2084.md ("x_mul_hi", "x_mul_sidi", "x_div"): Likewise.
4067 * config/s390/s390.md ("imulhi", "imulsi", "imuldi"): Added to "type"
4068 attribute.
4069 ("imul"): Removed from "type" attribute.
4070 ("*muldi3_sign", "muldi3"): Changed type to imuldi.
4071 ("mulsi3/1", "mulsi3/3", "mulsi/4", "mulsidi3", "umulsidi3"):
4072 Changed type to imulsi.
4073 ("*mulsi3_sign", "mulsi3/2"): Changed type to imulhi.
4074
4075 2005-04-04 Richard Sandiford <rsandifo@redhat.com>
4076
4077 * config/mcore/mcore.h (target_flags, HARDLIT_BIT, ALIGN8_BIT, DIV_BIT)
4078 (RELAX_IMM_BIT, W_FIELD_BIT, OVERALIGN_FUNC_BIT, CGDATA_BIT)
4079 (SLOW_BYTES_BIT, LITTLE_END_BIT, M340_BIT, TARGET_HARDLIT)
4080 (TARGET_DIV, TARGET_RELAX_IMM, TARGET_W_FIELD, TARGET_OVERALIGN_FUNC)
4081 (TARGET_CG_DATA, TARGET_SLOW_BYTES, TARGET_LITTLE_END, TARGET_M340)
4082 (TARGET_SWITCHES, mcore_stack_increment_string)
4083 (TARGET_OPTIONS): Delete.
4084 (TARGET_DEFAULT, OPTIMIZATION_OPTIONS): Use MASK_* constants rather
4085 than *_BIT constants.
4086 (TARGET_8ALIGN): #undef old definition before redefining to 1.
4087 * config/mcore/mcore.c (mcore_stack_increment_string): Delete.
4088 (TARGET_DEFAULT_TARGET_FLAGS): Override default to TARGET_DEFAULT.
4089 (mcore_override_options): Delete mcore_stack_increment code.
4090 Change use of M340_BIT to MASK_M340.
4091 * config/mcore/mcore.opt: New file.
4092
4093 2005-04-04 Ian Lance Taylor <ian@airs.com>
4094
4095 * config/arm/arm.c (replace_symbols_in_block): Remove static
4096 function.
4097
4098 2005-04-04 Kazu Hirata <kazu@cs.umass.edu>
4099
4100 * config/fr30/fr30-protos.h: Remove the prototypes for
4101 stack_add_operand, add_immediate_operand,
4102 high_register_operand, low_register_operand, call_operand,
4103 di_operand, and nonimmediate_di_operand.
4104 * config/fr30/fr30.c (stack_add_operand,
4105 add_immediate_operand, high_register_operand,
4106 low_register_operand, call_operand, di_operand,
4107 nonimmediate_di_operand): Move to predicates.md.
4108 * config/fr30/fr30.h (PREDICATE_CODES): Remove.
4109 * config/fr30/fr30.md: Include predicates.md.
4110 * config/fr30/predicates.md: New.
4111
4112 * config/mcore/mcore.h (PREDICATE_CODES): Add SYMBOL_REF and
4113 LABEL_REF to mcore_general_movsrc_operand. Add SYMBOL_REF to
4114 mcore_call_address_operand.
4115
4116 * config/sh/sh.h (PREDICATE_CODES): Add CONST to
4117 general_movsrc_operand.
4118
4119 2005-04-04 Alan Modra <amodra@bigpond.net.au>
4120
4121 * passes.c (rest_of_handle_final): NULL unlikely_text_section_name
4122 after freeing.
4123
4124 2005-04-04 Richard Earnshaw <richard.earnshaw@arm.com>
4125
4126 PR target/14812
4127 * arm.c (arm_select_cc_mode): Return CC_Zmode when comparing against
4128 a negated value.
4129
4130 2005-04-04 Richard Henderson <rth@redhat.com>
4131 Jakub Jelinek <jakub@redhat.com>
4132
4133 PR rtl-optimization/16104
4134 * fold-const.c (fold_unary): Fix folding of vector conversions.
4135
4136 2005-04-04 Richard Sandiford <rsandifo@redhat.com>
4137
4138 * config.gcc (xstormy16-*-elf): Set extra_options.
4139 * config/stormy16/stormy16.h (target_flags, TARGET_SWITCHES): Delete.
4140 * config/stormy16/stormy16.opt: New file.
4141
4142 2005-04-04 Richard Sandiford <rsandifo@redhat.com>
4143
4144 * config/pdp11/pdp11.h (target_flags, TARGET_SWITCHES, TARGET_DEFAULT)
4145 (TARGET_FPU, TARGET_SOFT_FLOAT, TARGET_AC0, TARGET_NO_AC0, TARGET_45)
4146 (TARGET_BCOPY_BUILTIN, TARGET_INT16, TARGET_INT32, TARGET_FLOAT32)
4147 (TARGET_FLOAT64, TARGET_ABSHI_BUILTIN, TARGET_BRANCH_EXPENSIVE)
4148 (TARGET_BRANCH_CHEAP, TARGET_SPLIT, TARGET_NOSPLIT)
4149 (TARGET_UNIX_ASM): Delete.
4150 (TARGET_40_PLUS): Redefine in terms of TARGET_40 and TARGET_45.
4151 * config/pdp11/2bsd.h (TARGET_UNIX_ASM_DEFAULT): Use MASK_UNIX_ASM.
4152 * config/pdp11/pdp11.c (pdp11_handle_option): New function.
4153 (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
4154 * config/pdp11/pdp11.opt: New file.
4155
4156 2005-04-03 Roger Sayle <roger@eyesopen.com>
4157 Alexandre Oliva <aoliva@redhat.com>
4158
4159 PR c++/19199
4160 * fold-const.c (non_lvalue): Split tests into...
4161 (maybe_lvalue_p): New function.
4162 (fold_cond_expr_with_comparison): Preserve lvalue-ness for the
4163 C++ front-end prior to lowering into gimple form.
4164
4165 2005-04-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4166
4167 * builtins.def (BUILT_IN_STPNCPY, BUILT_IN_STRCASECMP,
4168 BUILT_IN_STRNCASECMP): New.
4169 * doc/extend.texi: Document stpncpy, strcasecmp, strncasecmp
4170 and strndup.
4171
4172 2005-04-03 Richard Earnshaw <richard.earnshaw@arm.com>
4173
4174 PR target/14812
4175 * arm.md (addsi3_compare0_for_combiner): Delete.
4176 (addsi3_compare0_scratch_for_combiner): Delete.
4177 (cmpsi_neg_shiftsi): Delete.
4178 (compare_negsi_si): New pattern.
4179 (cmpsi_negshiftsi_si): New pattern.
4180 (negated_cbranchsi4): Restrict to equality_operator.
4181
4182 * arm.md (movhi_insn_arch4): delete trailing white space from assembler
4183 template.
4184
4185 2005-04-03 Kazu Hirata <kazu@cs.umass.edu>
4186
4187 * cfghooks.c, cfgrtl.c, modulo-sched.c, config/i386/winnt.c:
4188 Fix comment typos.
4189
4190 * doc/install.texi: Fix a typo.
4191
4192 2005-04-03 Steven Bosscher <stevenb@suse.de>
4193
4194 PR middle-end/20648
4195 * bb-reorder.c (duplicate_computed_gotos): Do not unfactor
4196 a computed goto if the edge to the computed goto block has
4197 incoming abnormal edges. Clarify how the function works.
4198
4199 2005-04-03 Nathan Sidwell <nathan@codesourcery.com>
4200
4201 * params.c (set_param_value): Use gcc_assert & gcc_unreachable.
4202 * passes.c (open_dump_file, rest_of_handle_final): Likewise.
4203 * postreload-gcse.c (expr_equiv_p, oprs_unchanged_p,
4204 hash_scan_set, reg_set_between_after_reload_p,
4205 reg_used_between_after_reload_p, get_avail_load_store_reg,
4206 eliminate_partially_redundant_load): Likewise.
4207 * postreload.c (reload_cse_simplify_set,
4208 reload_combine_note_use): Likewise.
4209 * predict.c (predict_insn, expected_value_to_br_prob,
4210 propagate_freq, expensive_function_p): Likewise.
4211 * print-rtl.c (print_rtx): Likewise.
4212 * profile.c (instrument_edges, instrument_values,
4213 compute_branch_probabilities, branch_prob, union_groups,
4214 tree_register_profile_hooks, rtl_register_profile_hooks): Likewise.
4215 * protoize.c (in_system_include_dir, file_could_be_converted,
4216 file_normally_convertible, gen_aux_info_file, seek_to_line,
4217 do_cleaning): Likewise.
4218 * tree-ssa-alias.c (collect_points_to_info_r): Likewise.
4219 * tree-ssa-ccp.c (execute_fold_all_builtins): Likewise.
4220 * tree-ssa-loop-ivopts.c (produce_memory_decl_rtl): Likewise.
4221
4222 2005-04-03 Mostafa Hagog <mustafa@il.ibm.com>
4223
4224 * cfg.c (clear_bb_flags): Don't clear BB_DISABLE_SCHEDULE.
4225 * modulo-sched.c (undo_replace_buff_elem): New structure.
4226 (kernel_number_of_cycles, ps_unschedule_node,
4227 undo_generate_reg_moves,free_undo_replace_buff,
4228 undo_permute_partial_schedule, loop_single_full_bb_p,
4229 SIMPLE_SMS_LOOP_P, loop_canon_p, canon_loop,
4230 build_loops_structure, get_sched_window): New.
4231 (generate_reg_moves): Return undo_replace_buff_elem and other
4232 fixes.
4233 (generate_prolog_epilog): Remove old loop versioning.
4234 (sms_schedule): Use loop information and loop_version.
4235 (sms_schedule_by_order): Split part of it to get_sched_window.
4236 * passes.c (rest_of_handle_sms): call cfg_layout_initialize
4237 cfg_layout_finalize and free_dominance_info before/after SMS.
4238
4239 2005-04-03 Mostafa Hagog <mustafa@il.ibm.com>
4240
4241 * cfghooks.c (lv_flush_pending_stmts,
4242 cfg_hook_duplicate_loop_to_header_edge, extract_cond_bb_edges,
4243 lv_adjust_loop_header_phi, lv_add_condition_to_bb): New.
4244 * cfghooks.h (cfg_hook_duplicate_loop_to_header_edge,
4245 lv_add_condition_to_bb,
4246 lv_adjust_loop_header_phi, extract_cond_bb_edges,
4247 flush_pending_stmts): New in cfg_hooks structure.
4248 (cfg_hook_duplicate_loop_to_header_edge, lv_flush_pending_stmts,
4249 extract_cond_bb_edges, lv_adjust_loop_header_phi,
4250 lv_add_condition_to_bb): New declarations.
4251 * cfgloop.h (duplicate_loop_to_header_edge): Change return type to
4252 bool.
4253 (loop_version): Declare.
4254 * cfgloopmanip.c (cfghooks.h): Include.
4255 (duplicate_loop_to_header_edge): Change return type to bool.
4256 (loop_version, lv_adjust_loop_entry_edge): Move here.
4257 * cfgrtl.c (cfgloop.h): Include.
4258 (rtl_verify_flow_info_1): Fix.
4259 (rtl_lv_add_condition_to_bb, rtl_extract_cond_bb_edges): New.
4260 (rtl_cfg_hooks, cfg_layout_rtl_cfg_hook): Add hooks to
4261 initialization.
4262 * tree-cfg.c (tree_lv_adjust_loop_header_phi,
4263 tree_lv_add_condition_to_bb): New.
4264 (tree_cfg_hooks): Add new hooks to initialization.
4265 * tree-ssa-loop-manip.c (lv_adjust_loop_header_phi,
4266 lv_adjust_loop_entry_edge, tree_ssa_loop_version): Remove.
4267
4268 2005-04-03 Kazu Hirata <kazu@cs.umass.edu>
4269
4270 * config/stormy16/stormy16.h (PREDICATE_CODES): Add SUBREG to
4271 xstormy16_below100_or_register,
4272 xstormy16_splittable_below100_or_register, and
4273 nonimmediate_nonstack_operand.
4274
4275 * config/stormy16/stormy16-protos.h: Remove the prototypes for
4276 xstormy16_ineqsi_operator, equality_operator,
4277 inequality_operator, shift_operator,
4278 xstormy16_below100_operand, xstormy16_below100_or_register,
4279 xstormy16_splittable_below100_or_register,
4280 xstormy16_onebit_set_operand, xstormy16_onebit_clr_operand.
4281 * config/stormy16/stormy16.c (xstormy16_ineqsi_operator,
4282 equality_operator, inequality_operator,
4283 xstormy16_below100_operand, xstormy16_below100_or_register,
4284 xstormy16_splittable_below100_or_register,
4285 xstormy16_onebit_set_operand, xstormy16_onebit_clr_operand,
4286 nonimmediate_nonstack_operand, shift_operator): Move to
4287 predicates.md.
4288 * config/stormy16/stormy16.h (PREDICATE_CODES): Remove.
4289 * config/stormy16/stormy16.md: Include predicates.md.
4290 * config/stormy16/predicates.md: New.
4291
4292 2005-04-02 Kazu Hirata <kazu@cs.umass.edu>
4293
4294 * config/iq2000/iq2000.c (uns_arith_operand, arith_operand,
4295 small_int, large_int, reg_or_0_operand, simple_memory_operand,
4296 equality_op, cmp_op, pc_or_label_operand, call_insn_operand,
4297 move_operand, power_of_2_operand): Move to predicates.md.
4298 * config/iq2000/iq2000.h (SPECIAL_MODE_PREDICATES,
4299 PREDICATE_CODE): Remove.
4300 * config/iq2000/iq2000.md: Include predicates.md.
4301 * config/iq2000/predicates.md: New.
4302
4303 2005-04-02 Richard Sandiford <rsandifo@redhat.com>
4304
4305 * config/m68hc11/m68hc11.h (target_flags, MASK_SHORT)
4306 (MASK_AUTO_INC_DEC, MASK_M6811, MASK_M6812, MASK_M68S12)
4307 (MASK_NO_DIRECT_MODE, MASK_MIN_MAX, MASK_LONG_CALLS)
4308 (TARGET_SHORT, TARGET_M6811, TARGET_M6812, TARGET_M68S12)
4309 (TARGET_AUTO_INC_DEC, TARGET_MIN_MAX, TARGET_NO_DIRECT_MODE)
4310 (TARGET_LONG_CALLS, TARGET_SWITCHES, TARGET_OPTIONS)
4311 (SUBTARGET_SWITCHES, SUBTARGET_OPTIONS, m68hc11_regparm_string)
4312 (m68hc11_reg_alloc_order, m68hc11_soft_reg_count)
4313 (TARGET_M68HC11): Delete.
4314 (TARGET_DEFAULT): Change the default setting from MASK_M6811 to 0.
4315 * config/m68hc11/m68hc12.h (TARGET_M68HC12): Delete.
4316 * config/m68hc11/m68hc11.c (m68hc11_regparm_string)
4317 (m68hc11_reg_alloc_order, m68hc11_soft_reg_count)
4318 (nb_soft_regs): Delete.
4319 (TARGET_DEFAULT_TARGET_FLAGS): Override default with TARGET_DEFAULT.
4320 (m68hc11_override_options): Remove the code that caters for MASK_M6811
4321 and MASK_M6812 being set simultaneously. Change the code that sets
4322 the default m68hc11_soft_reg_count to use integers instead of strings.
4323 (m68hc11_conditional_register_usage, hard_regno_mode_ok): Use
4324 m68hc11_soft_reg_count (which now has an int type) as the number
4325 of soft registers.
4326 * config/m68hc11/m68hc11.opt: New file.
4327
4328 2005-04-02 Kazu Hirata <kazu@cs.umass.edu>
4329
4330 * config/fr30/fr30.h (PREDICATE_CODES): Remove
4331 fp_displacement_operand, sp_displacement_operand.
4332
4333 * config/m68hc11/m68hc11-protos.h: Add a prototype for
4334 m68hcc_auto_inc_p.
4335 Remove the prototypes for tst_operand, cmp_operand,
4336 stack_register_operand, d_register_operand,
4337 hard_addr_reg_operand, splitable_operand,
4338 m68hc11_logical_operator, m68hc11_arith_operator,
4339 m68hc11_non_shift_operator, m68hc11_shift_operator,
4340 m68hc11_unary_operator, m68hc11_eq_compare_operator,
4341 non_push_operand, hard_reg_operand, and
4342 reg_or_some_mem_operand.
4343 * config/m68hc11/m68hc11.c (m68hcc_auto_inc_p): Make it
4344 extern.
4345 (tst_operand, cmp_operand, non_push_operand,
4346 splitable_operand, reg_or_some_mem_operand,
4347 stack_register_operand, d_register_operand,
4348 hard_addr_reg_operand, hard_reg_operand,
4349 m68hc11_eq_compare_operator, m68hc11_logical_operator,
4350 m68hc11_arith_operator, m68hc11_non_shift_operator,
4351 m68hc11_shift_operator, m68hc11_unary_operator): Move to
4352 predicates.md.
4353 * config/m68hc11/m68hc11.h (PREDICATE_CODES): Remove.
4354 * config/m68hc11/m68hc11.md: Include predicates.md.
4355 * config/m68hc11/predicates.md: New.
4356
4357 2005-04-02 Alexandre Oliva <aoliva@redhat.com>
4358
4359 PR debug/19345
4360 * dwarf2out.c (add_abstract_origin_attribute): Revert accidental
4361 change checked in along with 2005-03-03's patch for debug/20253.
4362 * tree-inline.c (remap_type): Remap TYPE_STUB_DECL.
4363 (remap_decl): Insert type decl in map earlier.
4364
4365 2005-04-02 Alexandre Oliva <aoliva@redhat.com>
4366
4367 PR tree-optimization/20640
4368 * tree-ssa-dce.c (remove_dead_stmt): Don't redirect edge to
4369 post-dominator if it has phi nodes.
4370 (eliminate_unnecessary_stmts): Remove dead phis in all blocks
4371 before dead statements.
4372
4373 2005-04-02 Alexandre Oliva <aoliva@redhat.com>
4374
4375 PR middle-end/20491
4376 * final.c (alter_subreg): Don't call subreg_regno for a non-REG.
4377
4378 2005-04-02 Alexandre Oliva <aoliva@redhat.com>
4379
4380 PR rtl-optimization/20290
4381 * loop.c (for_each_insn_in_loop): Don't assume the loop body runs
4382 in every iteration if the entry point is the exit test.
4383
4384 2005-04-02 Hans-Peter Nilsson <hp@axis.com>
4385
4386 * config/cris/cris.md (attribute "length"): Define.
4387
4388 2005-04-02 Geoffrey Keating <geoffk@apple.com>
4389
4390 * config/rs6000/predicates.md (indexed_or_indirect_operand): New.
4391 (word_offset_memref_operand): New.
4392 * config/rs6000/rs6000-protos.h (word_offset_memref_operand): Delete.
4393 (indexed_or_indirect_operand): Delete.
4394 * config/rs6000/rs6000.c (word_offset_memref_operand): Delete.
4395 (indexed_or_indirect_operand): Delete.
4396
4397 * config/rs6000/t-darwin8: Comment out ppc64 multilib.
4398
4399 PR 20650
4400 * config/rs6000/rs6000.md (fix_truncdfsi2): Make destination
4401 a register.
4402
4403 * config/rs6000/t-darwin (TARGET_LIBGCC2_CFLAGS): Add -pipe.
4404 * config/t-darwin (TARGET_LIBGCC2_CFLAGS): Likewise.
4405
4406 2005-04-01 Jan-Benedict Glaw <jbglaw@lug-owl.de>
4407
4408 * gcc/config/vax/vax.md: Spellcheck, fix whitespace.
4409
4410 2005-04-01 Ian Lance Taylor <ian@airs.com>
4411
4412 * gcc.c: Don't include <sys/resource.h> or declare getrusage.
4413 (rus, prus): Remove static variables.
4414 (execute): Use pex_run/pex_get_status rather than pexecute/pwait.
4415 (process_command): Permit report_times and use_pipes together.
4416
4417 2005-04-01 Joseph S. Myers <joseph@codesourcery.com>
4418
4419 * c-decl.c (validate_proto_after_old_defn): Look at
4420 TYPE_MAIN_VARIANT of argument types.
4421
4422 2005-04-01 Paul Brook <paul@codesourcery.com>
4423
4424 * config/arm/arm.c (thumb_call_via_label): Include space for SP.
4425 (arm_output_function_epilogue): Allow call_via_SP.
4426 (thumb_call_via_reg, arm_file_end): Ditto.
4427 * config/arm/arm.h (struct machine_function): Include space for SP.
4428 (thumb_call_via_label): Update declaration.
4429
4430 2005-04-01 Ian Lance Taylor <ian@airs.com>
4431
4432 * final.c (final_scan_insn): Revert part of 2005-03-30 patch: when
4433 doing a peephole optimization, once again put any notes in the
4434 proper position.
4435
4436 2005-04-01 Kazu Hirata <kazu@cs.umass.edu>
4437
4438 * bb-reorder.c, fold-const.c, varasm.c: Fix comment typos.
4439
4440 2005-04-01 Nathan Sidwell <nathan@codesourcery.com>
4441
4442 * local-alloc.c (update_equiv_regs): Use gcc_assert, gcc_unreachable.
4443 (block_alloc, find_free_reg): Likewise.
4444 * loop-doloop.c (doloop_modify): Likewise.
4445 * loop-invariant.c (record_use): Likewise.
4446 * loop-iv.c (get_biv_step_1, get_biv_step, iv_analyze,
4447 get_iv_value, canon_condition, eliminate_implied_condition,
4448 eliminate_implied_condition, simplify_using_initial_values,
4449 shorten_into_mode, canonicalize_iv_subregs,
4450 iv_number_of_iterations): Likewise.
4451 * loop-unroll.c (expand_var_during_unrolling): Likewise.
4452 * loop-unswitch.c (compare_and_jump_seq, unswitch_single_loop,
4453 unswitch_loop): Likewise.
4454 * loop.c (INSN_LUID, loop_optimize, rtx_equal_for_loop_p,
4455 move_movables, replace_call_address, find_and_verify_loops,
4456 rtx_equal_for_prefetch_p, fold_rtx_mult_add, loop_iterations,
4457 record_giv, final_giv_value, general_induction_var,
4458 simplify_giv_expr, extension_within_bounds_p, try_copy_prop,
4459 loop_giv_dump): Likewise.
4460
4461 * gcov-io.h (GCOV_CHECK, GCOV_CHECK_READING,
4462 GCOV_CHECK_WRITING): Remove.
4463 (gcov_position, gcov_rewrite): Use gcc_assert.
4464 * gcov-io.c (gcov_open, gcov_write_words, gcov_write_length,
4465 gcov_read_words, gcov_sync, gcov_seek): Use gcc_assert.
4466 * libgcov.c (__gcov_merge_single, __gcov_merge_delta): Use
4467 gcc_assert.
4468
4469 2005-04-01 Kazu Hirata <kazu@cs.umass.edu>
4470
4471 * tree-inline.c: Fix a typo.
4472
4473 2005-04-01 Nathan Sidwell <nathan@codesourcery.com>
4474
4475 * configure.ac (enable-checking): Explicitly set all variables for
4476 collective switch values. Alphabetize variables. Rename
4477 ac_checking_valgrind to ac_valgrind_checking. Allow 'none' as
4478 synonym for 'no'.
4479 * doc/install.texi (enable-checking): Update documentation.
4480 * configure: Rebuilt.
4481
4482 2005-04-01 Kazu Hirata <kazu@cs.umass.edu>
4483
4484 * tree-inline.c (copy_body_r): Use CONSTANT_CLASS_P where
4485 possible.
4486
4487 2005-04-01 Richard Earnshaw <richard.earnshaw@arm.com>
4488
4489 * arm.c (adjacent_mem_locations): Reject volatile memory refs.
4490 Also reject cases where this pattern will cause load delay stalls
4491 unless optimizing for size and it will produce a shorter sequence.
4492 * arm.md (arith_adjacent_mem): Make better use of ldm addressing
4493 variants to avoid pre-adjusting the base when possible.
4494
4495 2005-04-01 Richard Earnshaw <richard.earnshaw@arm.com>
4496
4497 * arm.md (minmax_arithsi): Reject all eliminable registers, not just
4498 the frame and argument pointers.
4499 (strqi_preinc, strqi_predec, loadqi_preinc, loadqi_predec): Likewise.
4500 (loadqisi_preinc, loadqisi_predec, strsi_preinc): Likewise.
4501 (strsi_predec, loadsi_preinc, loadsi_predec): Likewise.
4502 (strqi_shiftpreinc, strqi_shiftpredec, loadqi_shiftpreinc): Likewise.
4503 (loadqi_shiftpredec, strsi_shiftpreinc, strsi_shiftpredec): Likewise.
4504 (loadsi_shiftpreinc, loadsi_shiftpredec): Likewise.
4505
4506 2005-04-01 Danny Smith <dannysmith@users.sourceforge.net>
4507
4508 * config/i386/cygming.h (SUBTARGET_ATTRIBUTE_TABLE): Define,
4509 with entry for selectany attribute.
4510 * config/i386/i386-protos.h (ix86_handle_selectany_attribute):
4511 Declare.
4512 * config/i386/winnt.c (ix86_handle_selectany_attribute): Define.
4513 (i386_pe_asm_named_section): Handle sections generated by
4514 selectany attribute.
4515 * doc/extend.texi (selectany): Document attribute.
4516
4517 2005-04-01 Paolo Bonzini <bonzini@gnu.org>
4518 Jan Hubicka <jh@suse.cz>
4519
4520 * config/i386/i386.c (ix86_decompose_address): Look inside SUBREGs
4521 to fix addresses involving EBP and ESP.
4522 (aligned_operand, legitimate_address_p, ix86_address_cost): Be prepared
4523 for SUBREGed registers.
4524 (legitimate_address_p): Accept SUBREGed registers.
4525
4526 2005-04-01 Jakub Jelinek <jakub@redhat.com>
4527
4528 PR c++/19406
4529 * dwarf2out.c (gen_type_die_for_member): Handle FIELD_DECL.
4530 (dwarf2out_imported_module_or_decl): Use gen_type_die_for_member
4531 for FIELD_DECLs.
4532
4533 2005-04-01 Kazu Hirata <kazu@cs.umass.edu>
4534
4535 * doc/contrib.texi, doc/invoke.texi, doc/tm.texi: Fix typos.
4536
4537 2005-04-01 James E Wilson <wilson@specifixinc.com>
4538
4539 PR c++/20505
4540 * dwarf2out.c (rtl_for_decl_init): New function.
4541 (rtl_for_decl_location): Extracted from here.
4542 (tree_add_const_value_attribute): Call rtl_for_decl_init and
4543 add_const_value_attribute. Delete initializer_constant_valid_p call.
4544
4545 2005-04-01 Kazu Hirata <kazu@cs.umass.edu>
4546
4547 * cgraphunit.c, dbxout.c, flow.c, gcse.c, gimplify.c,
4548 lambda-code.c, loop.c, machmode.def, mips-tfile.c,
4549 modulo-sched.c, passes.c, postreload-gcse.c, tree-eh.c,
4550 tree-ssa-ccp.c, varasm.c, config/frv/frv.c, config/frv/frv.h,
4551 config/frv/frv.md, config/i386/i386.c, config/i386/i386.h,
4552 config/i386/i386.md, config/rs6000/predicates.md,
4553 config/rs6000/rs6000.c, config/s390/fixdfdi.h,
4554 config/s390/s390.c, config/stormy16/stormy16.c,
4555 config/stormy16/stormy16.md, config/vax/vax.md: Fix comment
4556 typos.
4557
4558 2005-04-01 Joseph S. Myers <joseph@codesourcery.com>
4559
4560 PR c/17855
4561 * gimplify.c (gimplify_expr): Create a temporary for lvalue
4562 COND_EXPR and CALL_EXPR.
4563
4564 2005-03-31 Vladimir Makarov <vmakarov@redhat.com>
4565
4566 PR target/20632
4567 * genautomata.c (first_cycle_unit_presence): Check all alternative
4568 states for unit presence.
4569
4570 * doc/md.texi: Remove remark about impossibility to query unit
4571 presence in non nondeterministic automaton state.
4572
4573 * config/ia64/ia64.c (get_template): Change order of unit querying.
4574
4575 2005-03-31 Kazu Hirata <kazu@cs.umass.edu>
4576
4577 * tree-ssa-dom.c (cprop_into_successor_phis): Remove an
4578 obsolete comment.
4579
4580 2005-03-31 Zdenek Dvorak <dvorakz@suse.cz>
4581
4582 * cfgloopanal.c (mark_loop_exit_edges): Clean EDGE_LOOP_EXIT
4583 flag for edges outside any loops.
4584
4585 2005-03-31 Janis Johnson <janis187@us.ibm.com>
4586
4587 * doc/sourcebuild.texi (Test Directives): Describe cleanup-* procs.
4588
4589 2005-03-31 Kazu Hirata <kazu@cs.umass.edu>
4590
4591 * tree-ssa-alias.c: Follow spelling conventions.
4592 * doc/tree-ssa.texi: Fix a typo.
4593
4594 2005-03-31 J"orn Rennecke <joern.rennecke@st.com>
4595
4596 * postreload-gcse.c: Include target.h.
4597 (gcse_after_reload_main): Return early if we cannot modify jumps.
4598 * Makefile.in (postreload-gcse.o): Depend on $(TARGET_H).
4599
4600 2005-03-31 David Edelsohn <edelsohn@gnu.org>
4601
4602 * tree-ssa-loop-im.c (stmt_cost): Add RDIV_EXPR to list of
4603 expensive operations.
4604
4605 2005-03-31 Ian Lance Taylor <ian@airs.com>
4606
4607 * collect2.c (lderrout): New variable.
4608 (collect_exit): Dump ldout to stdout. Dump and unlink lderrout,
4609 if it is set, to stderr.
4610 (handler): Unlink lderrout if it is set.
4611 (dump_file): Add "to" parameter. Change all callers.
4612 (main): Initialize lderrout.
4613 (collect_execute): Add errname parameter. Change all callers.
4614 Rename redir parameter to outname. Never pass
4615 PEX_STDERR_TO_STDOUT to pex_run.
4616 * collect2.h (collect_execute, dump_file): Update declarations.
4617 * tlink.c (tlink_execute): Add errname parameter. Change all
4618 callers.
4619 (do_tlink): Check lderrout as well as ldout.
4620
4621 2005-03-31 Caroline Tice <ctice@apple.com>
4622
4623 * Makefile.in (varasm.o): Add basic-block.h to list of requirements.
4624 (bb-reorder.o): Add errors.h to list of requirements.
4625 (STAGEFEEDBACK_FLAGS_TO_PASS): Add -freorder-blocks-and-partition to
4626 profiledbootstrap flags.
4627 * bb-reorder.c (errors.h): Add new include.
4628 (struct bbro_basic_block_data_def): Add new field, in_trace.
4629 (add_unlikely_executed_notes): Remove function.
4630 (mark_bb_for_unlikely_executed_section): Remove function.
4631 (insert_section_boundary_note): New function.
4632 (verify_hot_cold_block_grouping): New function.
4633 (push_to_next_round_p): Remove variables and tests that push all
4634 cold blocks to last round.
4635 (find_traces): Remove code that added extra round of trace finding
4636 when doing partitioning.
4637 (find_traces_1_round) : Remove variable last_round; add code to
4638 update new struct field, in_trace; correct trace_length where it was
4639 incorrect before (after call to copy_bb); change code that pushed all
4640 cold blocks to last round. Instead verify that all blocks going into
4641 a trace belong in the same partition.
4642 (connect_traces): Modify to connect the traces in two passes, if the
4643 function contains both hot and cold blocks. The first pass connects
4644 all the traces for blocks in the partition that the first block in
4645 the function belongs to; the second pass connnects all the traces
4646 containing blocks that belong in the other partition.
4647 (find_rarely_executed_basic_blocks_and_crossing_edges): Remove
4648 code that automatically put the first block in a function into the
4649 hot partition if the function had any hot blocks.
4650 (fix_crossing_unconditional_branches): Check number of succ edges
4651 before attempting to get one.
4652 (fix_edges_for_rarely_executed_code): Update comment describing
4653 function.
4654 (reorder_basic_blocks): Add code to initialize new field (in_trace);
4655 remove call to add_unlikely_executed_notes; add call to
4656 verify_hot_cold_block_grouping.
4657 (duplicate_computed_gotos): Don't change computed goto if it's a
4658 crossing edge.
4659 (partition_hot_cold_basic_blocks): Update function comment.
4660 * cfgcleanup.c (try_simplify_condjump): Remove redundacy from
4661 condition.
4662 (try_forward_edges): Likewise.
4663 (merge_blocks_move_predecessor_nojumps): Likewise.
4664 (merge_blocks_move_successor_nojumps): Likewise.
4665 (merge_blocks_move): Likewise.
4666 (try_crossjump_bb): Likewise.
4667 * cfglayout.c (update_unlikely_executed_notes): Remove function.
4668 (fixup_reorder_chain): Remove code for adding UNLIKELY_EXECUTED_CODE
4669 notes to cold bb's; remove call to update_unlikely_executed_notes.
4670 (duplicate_insn_chain): change NOTE_INSN_UNLIKELY_EXECUTED_CODE to
4671 NOTE_INSN_SWITCH_TEXT_SECTIONS.
4672 * cfglayout.h (scan_ahead_for_unlikely_executed_note): Remove
4673 function declaration.
4674 * cfgrtl.c (can_delete_note_p): Remove UNLIKELY_EXECUTED_CODE note
4675 from consideration.
4676 (rtl_can_merge_blocks): Remove redundancy from condition.
4677 (try_redirect_by_replacing_jump): Likewise.
4678 (force_nonfallthru_and_redirect): Remove code for adding
4679 UNLIKELY_EXECUTED_CODE notes to cold bb's.
4680 (commit_one_edge_insertion): Likewise.
4681 (cfg_layout_can_merge_blocks_p): Remove redundancy from condition.
4682 * dbxout.c (FORCE_TEXT): Replace function_section with
4683 current_function_section.
4684 (struct dbx_debug_h): Add do_nothing function for new debug_hooks
4685 function, switch_text_section.
4686 (struct xcoff_debug): Likewise.
4687 (dbxout_function_end): Add code to put out label diffs for both
4688 hot and cold sections.
4689 * debug.c (struct do_nothing_debug_hooks): Add do_nothing function
4690 for new debug_hooks funciton, switch_text_section..
4691 * debug.h (struct gcc_debug_hooks): Add new function to debug_hooks,
4692 switch_text_section.
4693 * dwarf2out.c (struct dw_fde_struct): Add five new fields:
4694 dw_fde_hot_section_label, dw_fde_hot_section_end_label,
4695 dw_fde_unlikely_section_label, dw_fde_unlikely_section_end_label and
4696 dw_fde_switched_sections.
4697 (output_call_frame_info): Add test to see if function switches text
4698 sections in the middle; if so, use appropriate extra hot and cold
4699 section labels to compute size deltas for the hot and cold sections.
4700 (dwarf2out_begin_prologue): Add code to initialize new fields in
4701 dw_fde_struct.
4702 (dwarf2out_switch_text_section): New function (invoked through
4703 debug_hook); updates new fields in dw_fde_struct appropriately and
4704 increments separate_line_info_table_in_use.
4705 (dwarf2_debug_hooks): Initialize switch_text_section function to be
4706 dwarf2out_switch_text_section.
4707 (struct var_loc_node): Add new field, section_label.
4708 (output_aranges): Add code to check whether in hot or cold section and
4709 use the appropriate label in calculating deltas.
4710 (output_ranges): Likewise.
4711 (output_line_info): Add code to check which section we're in and
4712 use appropriate hot/cold label.
4713 (add_location_or_constant_value_attribute): Likewise.
4714 (gen_subprogam_die): Modify arange attributes to use correct labels.
4715 (dwarf2out_begin_block): Change call to function_section into call to
4716 current_function_section.
4717 (dwarf2out_end_block): Likewise.
4718 (dwarf2out_source_line): Likewise.
4719 (dwarf2out_var_location): Add code to check whether in hot or cold
4720 section and use the appropriate label.
4721 * except.c (output_function_exception_table): Change call to
4722 function_section into call to current_function_section.
4723 * final.c (profile_function): Likewise.
4724 (scan_ahead_for_unlikely_executed_note): Remove function.
4725 (final_scan_insn): Remove calls to
4726 scan_ahead_for_unlikely_executed_note, and related code for switching
4727 to cold section, except for the single time
4728 NOTE_INSN_SWITCH_TEXT_SECTIONS may be encountered; add calls to
4729 debug_hooks->switch_text_sections; replace appropriate calls to
4730 function_section with calls to current_function_section.
4731 * ifcvt.c (find_if_case_1): Remove redundancy from condition, add
4732 test_bb to condition.
4733 (find_if_case_2): Likewise.
4734 * insn-notes.def: Change NOTE_INSN_UNLIKELY_EXECUTED_CODE to
4735 NOTE_INSN_SWITCH_TEXT_SECTIONS. Update comment appropriately.
4736 * opts.c (decode_options): Change warning about hot/cold partitioning
4737 with exceptionss to inform (so as not to cause bootstrap failures);
4738 remove warning about partitioning with DWARF debug info.
4739 * output.h (current_function_section): Add new function decl.
4740 (insert_section_boundary_note): Likewise.
4741 (enum in_section): Move this declaration here from varasm.c.
4742 (unlikely_section_label): Likewise.
4743 (unlikely_text_section_name): Likewise.
4744 (last_text_section_name): New global variable.
4745 (last_text_section): Likewise.
4746 (hot_section_label): Likewise.
4747 (hot_section_end_label): Likewise.
4748 (cold_section_end_label): Likewise.
4749 * passes.c (rest_of_handle_final): Free unlikely_text_section_name.
4750 * print-rtl.c (print_rtx): Change NOTE_INSN_UNLIKELY_EXECUTED_CODE
4751 to NOTE_INSN_SWITCH_TEXT_SECTIONS.
4752 * reg-stack.c (emit_swap_insn): Remove UNLIKELY_EXECUTED_CODE note
4753 insn from consideration.
4754 * sdbout.c (sdb_debug_hooks): Add do_nothing for new function,
4755 switch_text_section.
4756 * varasm.c (basic-block.h): Add new include.
4757 (unlikely_section_label_printed): Remove global variable.
4758 (unlikely_section_label): Make global variable not be static any more.
4759 (unlikely_text_section_name): Likewise.
4760 (hot_section_end_label): New global variable (not static)
4761 (first_function_block_is_cold): Likewise.
4762 (hot_section_label): Likewise.
4763 (cold_section_end_label): Likewise..
4764 (last_text_section): New global variable, not static.
4765 (last_text_section_name): New global variable, not static.
4766 (initialize_cold_section_name): New function.
4767 (enum in_section): Move declaration to output.h.
4768 (text_section): Update last_text_section.
4769 (unlikely_text_section): Replace code to determine cold section name
4770 with call to initialize_cold_section_name; Add code to update
4771 last_text_section; remove code for printing out label.
4772 (named_section_real): Add code to update last_text_section and
4773 last_text_section_name as appropriate.
4774 (function_section): Change test for 'unlikely' to depend on
4775 first_function_block_is_cold (moved old test to
4776 current_function_section).
4777 (current_function_section): New function.
4778 (assemble_start_function): Move code that frees
4779 unlikely_text_section_name; initialize hot_section_end_label;
4780 print hot and cold section labels at the start of the function;
4781 set first_function_block_is_cold, if appropriate; initialize l
4782 ast_text_section; add call to insert_section_boundary_note.
4783 (assemble_end_function): Add code to write out hot and cold section
4784 end labels.
4785 *vmsdbgout.c (vmsdbg_debug_hooks): Add do_nothing for new function,
4786 switch_text_section.
4787 * config/darwin.c (machopic_select_section): Replace incorrect
4788 function in base_funs; update reloc for cold sections if necessary.
4789 * config/darwin.h (SECTION_FUNCTION): Add code to update
4790 last_text_section if appropriate.
4791 (text_unlikely_section): Remove.
4792 * config/sparc/sparc.c (sparc_output_deferred_case_vectors): Likewise.
4793 * config/stormy16/stormy16.c (stormy_16_output_addr_vec): Likewise.
4794 * config/xtensa/xtensa.c (override_options): Turn off hot/cold
4795 partitioning for this architecture.
4796
4797 2005-03-31 Olivier Hainque <hainque@adacore.com>
4798
4799 * dwarf2out.c (dwarf2out_frame_finish): Honor DWARF2_FRAME_INFO
4800 defined and non-zero.
4801
4802 2005-03-31 Gabriel Dos Reis <gdr@integrable-solutions.net>
4803
4804 PR c++/18644
4805 * doc/invoke.texi (-Wsynth): Don't document, as it now is void of
4806 semantics.
4807
4808 2005-03-31 Alan Modra <amodra@bigpond.net.au>
4809
4810 PR target/20611
4811 * config/rs6000/rs6000.md (load_toc_v4_PIC_1b): Remove inline
4812 label operand. Remove (use (unspec..)). Don't emit a label on
4813 the offset word.
4814 * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Don't
4815 generate inline label for load_toc_v4_PIC_1b.
4816 (rs6000_emit_load_toc_table): Likewise.
4817
4818 2005-03-31 Kazu Hirata <kazu@cs.umass.edu>
4819
4820 * config.gcc: Obsolete i860-*-sysv4*, ip2k-*-elf,
4821 ns32k-*-netbsdelf*, and ns32k-*-netbsd*.
4822
4823 2005-03-29 Devang Patel <dpatel@apple.com>
4824
4825 * tree-sra.c (decide_block_copy): Disable scalarization of
4826 sub-elements.
4827
4828 2005-03-30 Stuart Hastings <stuart@apple.com>
4829 Dale Johannesen <dalej@apple.com>
4830
4831 * Makefile.in (print-tree.o): Depend on tree-iterator.h.
4832 * print-tree.c (print_node): Add case STATEMENT_LIST.
4833
4834 2005-03-31 Alan Modra <amodra@bigpond.net.au>
4835
4836 * config.gcc (cpu_is_64bit): Set for 64-bit powerpc cpus.
4837 (powerpc64-*-linux*): Use it. Rearrange tm_file assignment.
4838 (powerpc-*-linux*): Build a biarch compiler when --enable-targets
4839 is given with "powerpc64*" or "all", or when --with-cpu chooses
4840 a 64-bit cpu.
4841
4842 2005-03-30 James E. Wilson <wilson@specifixinc.com>
4843
4844 PR debug/20268
4845 * dwarf2out.c (add_high_low_attributes): New function, extracted from
4846 gen_lexical_block_die.
4847 (gen_lexical_block_die, gen_inlined_subroutine_die): Call it.
4848
4849 2005-03-31 Jan Hubicka <jh@suse.cz>
4850
4851 2004-11-02 Jan Hubicka <jh@suse.cz>
4852
4853 * cgraph.c (cgraph_varpool_node_name): New function.
4854 (dump_cgraph_varpool_node): New function.
4855 (dump_varpool): New function.
4856 * cgraphunit.c (cgraph_optimize): Dump varpool.
4857
4858 2004-10-16 Jan Hubicka <jh@suse.cz>
4859
4860 * cgraph.c (decide_is_variable_needed): New function.
4861 (cgraph_varpool_finalize_decl): Use it.
4862 * cgraphunit.c (cgraph_optimize): Assemble_pending_decls when not doing
4863 unit-at-a-time.
4864 * final.c (output_addr_const): Do not call mark_referenced.
4865 * passes.c (rest_of_decl_compilation): ifdef out DECL_RTL_SET_P hack;
4866 always go via cgraph.
4867 * toplev.c (wrapup_global_declarations): Kill non-unit-at-a-time code.
4868 (check_global_declarations): Ifdef out code clearing DECL_RTL.
4869 * tree-optimize.c (execute_inline): Mark functions called.
4870 * i386.c (output_pic_addr_const): Do not call mark_decl_referenced.
4871
4872 2004-10-11 Jan Hubicka <jh@suse.cz>
4873
4874 * cgraph.c (cgraph_varpool_first_unanalyzed_node): New global voriable
4875 (cgraph_varpool_last_needed_node): New static variable.
4876 (enqueue_needed_varpool_node): Break out from ...; add items to the
4877 end of queue; update first pointers.
4878 (cgraph_varpool_mark_needed_node): ... here.
4879 (cgraph_varpool_finalize_decl): Use enqueue_needed_varpool_node.
4880 (cgraph_varpool_assemble_pending_decls): Move to cgraphunit.c
4881 * cgraph.h (cgraph_varpool_node): Add analyzed field.
4882 (cgraph_varpool_first_unanalyzed_node): Declare.
4883 * cgraphunit.c: Include output.h.
4884 (cgraph_varpool_analyze_pending_decls): New function.
4885 (cgraph_varpool_assemble_pending_decls): Move from cgraph.c; bail out
4886 for errors, analyze pending decls.
4887 (cgraph_finalize_compilation_unit): Only analyze decls.
4888 (cgraph_optimize): Assemble the decls after expanding.
4889
4890 2005-03-30 Daniel Berlin <dberlin@dberlin.org>
4891
4892 * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Make sure
4893 subvars get marked properly in tags for grouping.
4894 (add_pointed_to_var): Mark only actual pointed to
4895 variables/subvars in addresses needed.
4896 (create_overlap_variables_for): Clear call clobbered on original
4897 variable.
4898 * tree-ssa-operands.c (get_asm_expr_operands): Don't let regular
4899 addresable vars with subvars into list.
4900 * tree-ssa.c (verify_ssa_name): Verify original is not used where
4901 subvar should be.
4902
4903 2005-03-30 Richard Henderson <rth@redhat.com>
4904
4905 * cgraph.h (struct cgraph_node): Add alias.
4906 * varasm.c (assemble_alias): Set it.
4907 * cgraphunit.c (cgraph_assemble_pending_functions): Check it and
4908 avoid calling cgraph_expand_function.
4909
4910 2005-03-30 Tom Tromey <tromey@redhat.com>
4911
4912 * tree.def (FILE_TYPE): Removed.
4913 * typeclass.h (enum type_class): Removed file_type_class.
4914 * dwarf2out.c (is_base_type): Updated.
4915 (gen_type_die): Likewise.
4916 * dbxout.c (dbxout_type): Updated.
4917 * builtins.c (type_to_class): Updated.
4918 * tree.c (type_contains_placeholder_1): Updated.
4919 * config/sparc/sparc.c (sparc_type_code): Updated.
4920 * config/ia64/ia64.c (hfa_element_mode): Updated.
4921 * expr.c (count_type_elements): Updated.
4922 * stor-layout.c (layout_type): Updated.
4923 * tree-inline.c (remap_type): Updated.
4924 * tree-pretty-print.c (dump_generic_node): Updated.
4925
4926 2005-03-30 Fariborz Jahanian <fjahanian@apple.com>
4927
4928 * builtins.c (expand_builtin_powi): Fix mode of
4929 2nd argument to match int.
4930 * libgcc2.h (__powisf2, __powidf2, __powixf2, __powitf2): Change
4931 2nd argument type to int.
4932 * libgcc2.c: Change prototype of __powi* functions to use
4933 int.
4934
4935 2005-03-30 Dale Johannesen <dalej@apple.com>
4936
4937 PR middle-end/19225
4938 * calls.c (expand_call): Flush pending deferrals before
4939 throwing call.
4940
4941 2005-03-30 Joseph S. Myers <joseph@codesourcery.com>
4942
4943 PR c/772
4944 PR c/17913
4945 * c-tree.h (C_DECL_UNJUMPABLE_STMT_EXPR,
4946 C_DECL_UNDEFINABLE_STMT_EXPR, struct c_label_list, struct
4947 c_label_context, label_context_stack): New.
4948 * c-decl.c (define_label): Check for jumps into statement
4949 expressions. Add label to list of defined labels.
4950 (start_function): Push context on label_context_stack.
4951 (finish_function): Pop context from label_context_stack.
4952 * c-typeck.c (label_context_stack): New.
4953 (c_finish_goto_label): Check for jumps into statement
4954 expressions. Add label to list of jumped to labels.
4955 (struct c_switch): Add blocked_stmt_expr.
4956 (c_start_case): Initialize it.
4957 (do_case): Check it.
4958 (c_finish_case): Verify !blocked_stmt_expr.
4959 (c_begin_stmt_expr): Push context on label_context_stack.
4960 Increment blocked_stmt_expr. Mark labels jumped to from outside
4961 as undefinable.
4962 (c_finish_stmt_expr): December blocked_stmt_expr. Mark labels
4963 defined in the statement expression and no longer jumpable to.
4964 Mark labels jumped to from just outside the statement expression
4965 as again definable. Pop context from label_context_stack.
4966 * doc/extend.texi (Statement Exprs): Update.
4967
4968 2005-03-30 Joseph S. Myers <joseph@codesourcery.com>
4969
4970 PR c/20368
4971 * c-decl.c (start_function): Check for old_decl being
4972 error_mark_node.
4973
4974 2005-03-30 Ian Lance Taylor <ian@airs.com>
4975
4976 * final.c (final): Remove prescan parameter. Change all callers.
4977 (final_scan_insn): Remove prescan parameter. Change all callers.
4978
4979 2005-03-30 Kazu Hirata <kazu@cs.umass.edu>
4980
4981 * tree-vectorizer.c: Fix comment typos.
4982
4983 2005-03-30 Sebastian Pop <pop@cri.ensmp.fr>
4984
4985 * tree-scalar-evolution.c (instantiate_parameters_1): Return
4986 as soon as a chrec_dont_know is detected.
4987
4988 2005-03-31 Danny Smith <dannysmith@users.sourceforge.net>
4989
4990 Merge from csl-arm-branch.
4991 2004-02-12 Mark Mitchell <mark@codesourcery.com>
4992
4993 * tlink.c (recompile_files): Do not assume that "rename" can
4994 overwrite an existing file.
4995
4996 2005-03-31 Paolo Bonzini <bonzini@gnu.org>
4997
4998 * gcc/configure.ac (TL_AC_GNU_MAKE_GCC_LIB_PATH): Remove.
4999 * gcc/configure: Regenerate.
5000
5001 2005-03-30 Alan Modra <amodra@bigpond.net.au>
5002
5003 * doc/install.texi: Update binutils requirement for powerpc*-linux.
5004
5005 * config/rs6000/rs6000.c (rs6000_arg_partial_bytes): Update comments.
5006
5007 * calls.c (struct arg_data): Update "partial" comment.
5008 (load_register_parameters): Update "nregs" comment.
5009
5010 2005-03-30 Richard Sandiford <rsandifo@redhat.com>
5011
5012 * config/iq2000/iq2000.h (target_flags, MASK_GPOPT, MASK_EMBEDDED_DATA)
5013 (MASK_UNINIT_CONST_IN_RODATA, TARGET_EMBEDDED_DATA, TARGET_SWITCHES)
5014 (TARGET_DEFAULT, TARGET_CPU_DEFAULT, SUBTARGET_TARGET_OPTIONS)
5015 (TARGET_OPTIONS, iq2000_cpu_string, iq2000_arch_string): Delete.
5016 (TARGET_DEBUG_MODE, TARGET_DEBUG_A_MODE, TARGET_DEBUG_B_MODE)
5017 (TARGET_DEBUG_C_MODE, TARGET_DEBUG_D_MODE): Define to 0 rather
5018 than target_flags & 0.
5019 * config/iq2000/iq2000.c (iq2000_cpu_string, iq2000_arch_string)
5020 (iq2000_arch, iq2000_parse_cpu): Delete.
5021 (TARGET_HANDLE_OPTION): Override default.
5022 (iq2000_handle_option): New function.
5023 (override_options): Remove -march= and -mcpu= handling.
5024 * config/iq2000/iq2000.opt: New file.
5025
5026 2005-03-30 Richard Sandiford <rsandifo@redhat.com>
5027
5028 * config/c4x/c4x-protos.h (c4x_rpts_cycles, c4x_cpu_version): Delete.
5029 * config/c4x/c4x.h (SMALL_MEMORY_FLAG, MPYI_FLAG, FAST_FIX_FLAG)
5030 (RPTS_FLAG, C3X_FLAG, TI_FLAG, PARANOID_FLAG, MEMPARM_FLAG, DEVEL_FLAG)
5031 (RPTB_FLAG, BK_FLAG, DB_FLAG, DEBUG_FLAG, HOIST_FLAG)
5032 (LOOP_UNSIGNED_FLAG, FORCE_FLAG, PRESERVE_FLOAT_FLAG)
5033 (PARALLEL_INSN_FLAG, PARALLEL_MPY_FLAG, ALIASES_FLAG, C30_FLAG)
5034 (C31_FLAG, C32_FLAG, C33_FLAG, C40_FLAG, C44_FLAG, TARGET_SWITCHES)
5035 (TARGET_DEFAULT, TARGET_SMALL, TARGET_MPYI, TARGET_FAST_FIX)
5036 (TARGET_RPTS, TARGET_TI, TARGET_PARANOID, TARGET_MEMPARM, TARGET_DEVEL)
5037 (TARGET_RPTB, TARGET_BK, TARGET_DB, TARGET_DEBUG, TARGET_HOIST)
5038 (TARGET_LOOP_UNSIGNED, TARGET_FORCE, TARGET_PRESERVE_FLOAT)
5039 (TARGET_PARALLEL, TARGET_PARALLEL_MPY, TARGET_ALIASES)
5040 (c4x_rpts_cycles_string, c4x_cpu_version_string)
5041 (TARGET_OPTIONS): Delete.
5042 (c4x_rpts_cycles, c4x_cpu_version): Declare.
5043 (TARGET_C3X, TARGET_C30, TARGET_C31, TARGET_C32, TARGET_C33)
5044 (TARGET_C40, TARGET_C44): Redefine in terms of c4x_cpu_version.
5045 * config/c4x/c4x.c (c4x_rpts_cycles_string): Delete.
5046 (c4x_cpu_version_string): Delete.
5047 (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
5048 (c4x_handle_option): New function. Map -m3x and -m4x options to the
5049 equivalent -mcpu= option.
5050 (c4x_override_options): Remove -mrpts= and -mcpu= handling from here.
5051 Deal with the extra conditions in the old TARGET_MPYI, TARGET_RPTB,
5052 TARGET_DB, TARGET_PARALLEL and TARGET_PARALLEL_MPY macros by setting
5053 or clearing the appropriate MASK_* bit.
5054 (c4x_file_start): Use c4x_cpu_version.
5055 * config/c4x/c4x.opt: New file.
5056
5057 2005-03-30 Richard Sandiford <rsandifo@redhat.com>
5058
5059 * doc/options.texi: Document the new MaskExists flag.
5060 * opth-gen.awk: Don't output MASK and TARGET macros for Mask(...)
5061 if the option has the MaskExists flag.
5062
5063 2005-03-30 Richard Sandiford <rsandifo@redhat.com>
5064
5065 * opt-functions.awk (flag_set_p, test_flag): New functions.
5066 (switch_flags): Use them.
5067 * opth-gen.awk: Use flag_set_p to check for flags.
5068 * optc-gen.awk: Likewise. Use opt_args to check for Init(...) flags.
5069
5070 2005-03-30 Ian Lance Taylor <ian@airs.com>
5071
5072 * config.host (i[34567]86-*-mingw32*): Don't set
5073 host_can_use_collect2 to no.
5074
5075 2005-03-30 Alan Modra <amodra@bigpond.net.au>
5076
5077 PR target/20203
5078 * builtins.c (get_memory_rtx): Expand address exp using EXPAND_NORMAL.
5079 Remove convert_memory_address call duplicating that in memory_address.
5080
5081 2005-03-29 Richard Henderson <rth@redhat.com>
5082
5083 PR c/20519
5084 * c-decl.c (c_finish_incomplete_decl): Update complete_array_type call.
5085 (build_compound_literal): Likewise. Propagate decl type into the
5086 initializer.
5087 (finish_decl): Likewise. Use new return value from complete_array_type
5088 for zero sized arrays.
5089 (complete_array_type): Move ...
5090 * c-common.c (complete_array_type): ... here. Change first argument
5091 to pointer-to-type-node. Consistently use sizetype for the index
5092 except for zero sized arrays. Detect zero sized arrays for pedantic
5093 mode diagnostics. Create a new type node instead of modifying the
5094 old node in place.
5095 * c-tree.h (complete_array_type): Move decl ...
5096 * c-common.h (complete_array_type): ... here.
5097
5098 2005-03-29 Richard Henderson <rth@redhat.com>
5099
5100 PR tree-opt/19108
5101 * tree-sra.c (generate_element_init_1): Handle RANGE_EXPR.
5102
5103 2005-03-29 Kazu Hirata <kazu@cs.umass.edu>
5104
5105 * builtin-types.def, c-convert.c, c-format.c, ddg.c, debug.c,
5106 debug.h, et-forest.c, et-forest.h, gcov.c, rtl-profile.c,
5107 rtlhooks-def.h, rtlhooks.c, sdbout.c, tree-inline.h,
5108 tree-profile.c, tsystem.h, value-prof.h: Update copyright.
5109
5110 2005-03-29 Eric Christopher <echristo@redhat.com>
5111
5112 * config/mips/mips.c (mips_gimplify_va_arg_expr): Update for
5113 truthvalue conversion removal.
5114
5115 2005-03-29 Ian Lance Taylor <ian@airs.com>
5116
5117 PR bootstrap/14316
5118 * collect2.c: Never include <vfork.h>.
5119 (VFORK_STRING, vfork): Don't define.
5120 (pid): Remove global variable.
5121 (handler): Call raise instead of kill (getpid(), ...).
5122 (collect_wait): Add pex parameter. Change all callers. Use
5123 pex_get_status rather than pwait.
5124 (do_wait): Add pex parameter. Change all callers.
5125 (collect_execute): Return struct pex_obj * rather than void. Use
5126 pex routines rather than pexecute.
5127 (fork_execute): Get pex_obj from collect_execute, and pass it to
5128 do_wait.
5129 (scan_prog_file): Use pex routines rather than pipe/vfork/exec.
5130 Only declare quit_handler if SIGQUIT is defined.
5131 (scan_libraries): Likewise.
5132 * collect2.h (collect_execute): Update declaration.
5133 (collect_wait): Update declaration.
5134 * tlink.c (tlink_execute): Get pex_obj from collect_execute, and
5135 pass it to collect_wait.
5136
5137 2005-03-29 Joseph S. Myers <joseph@codesourcery.com>
5138
5139 PR c/20672
5140 * c-parser.c (c_parser_compound_statement_nostart): Give error
5141 message for EOF instead of just setting parser->error.
5142
5143 2005-03-29 Dorit Naishlos <dorit@il.ibm.com>
5144
5145 * tree-vectorizer.c (slpeel_update_phi_nodes_for_guard): Removed.
5146 (slpeel_update_phi_nodes_for_guard1): New function.
5147 (slpeel_update_phi_nodes_for_guard2): New function.
5148 (slpeel_tree_peel_loop_to_edge): Call above new functions instead
5149 of slpeel_update_phi_nodes_for_guard.
5150 (vectorize_loops): Remove call to loop_closed_rewrite.
5151 * tree-vect-transform.c (vect_update_ivs_after_vectorizer): Remove
5152 assertion.
5153
5154 2005-03-29 Richard Sandiford <rsandifo@redhat.com>
5155
5156 * config/m32r/little.h (TARGET_ENDIAN_DEFAULT): Delete.
5157 (TARGET_LITTLE_ENDIAN): New macro.
5158 * config/m32r/m32r.h (SUBTARGET_SWITCHES, target_flags)
5159 (TARGET_RELAX_MASK, TARGET_DEBUG_MASK, TARGET_DEBUG)
5160 (TARGET_ALIGN_LOOPS_MASK, TARGET_ALIGN_LOOPS)
5161 (TARGET_LOW_ISSUE_RATE_MASK, TARGET_LOW_ISSUE_RATE)
5162 (TARGET_BRANCH_COST_MASK, TARGET_BRANCH_COST, TARGET_M32RX_MASK)
5163 (TARGET_M32RX, TARGET_M32R2_MASK, TARGET_M32R2, LITTLE_ENDIAN_BIT)
5164 (TARGET_ENDIAN_DEFAULT, SUBTARGET_SWITCHES, TARGET_DEFAULT)
5165 (TARGET_SWITCHES, m32r_model_string, m32r_sdata_string)
5166 (m32r_cache_flush_trap_string, SUBTARGET_OPTIONS)
5167 (TARGET_OPTIONS): Delete.
5168 (M32R_MODEL_DEFAULT, M32R_SDATA_DEFAULT): Turn into enums.
5169 (CACHE_FLUSH_TRAP): Turn into an integer.
5170 (TARGET_LITTLE_ENDIAN): Define to 0 by default.
5171 (INITIALIZE_TRAMPOLINE): Check m32r_cache_trap >= 0 to see if
5172 -mflush-trap is in use.
5173 * config/m32r/m32r.c (m32r_model_string, m32r_sdata_string)
5174 (m32r_cache_flush_trap_string): Delete.
5175 (m32r_model) Initialize to M32R_MODEL_DEFAULT.
5176 (m32r_sdata): Likewise M32R_SDATA_DEFAULT.
5177 (m32r_cache_trap): Likewise CACHE_FLUSH_TRAP.
5178 (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
5179 (m32r_handle_option): New function. Move -mflush-trap=, -mflush-func=,
5180 -mmodel= and -msdata= handling from...
5181 (m32r_init): ...here.
5182 * config/m32r/m32r.opt: New file.
5183
5184 2005-03-29 Keith Besaw <kbesaw@us.ibm.com>
5185
5186 * tree-ssanames.c (duplicate_ssa_name_ptr_info): New function.
5187 (duplicate_ssa_name): Call duplicate_ssa_name_ptr_info.
5188 * tree-vect-analyze.c (vect_object_analysis): additional parm
5189 pass back a "struct ptr_info_def *" with the points-to info.
5190 (vect_analyze_data_refs): set the STMT_VINFO_PTR_INFO for the
5191 statement using info returned from vect_object_analysis.
5192 * tree-vect-transform.c (update_vuses_to_preheader): New function.
5193 (vect_create_data_ref_ptr): Remove updates to vars_to_rename
5194 for virtual uses and defs when creating a replacement vector
5195 reference. Call duplicate_ssa_name_ptr_info to define points-to
5196 info for vector pointer replacement using STMT_VINFO_PTR_INFO.
5197 (vectorizable_store): copy_virtual_operands and update
5198 definition statements.
5199 (vectorizable_load): copy_virtual_operands. Remove call to
5200 mark_call_clobbered_vars_to_rename for call to "const" builtin.
5201 * tree-vectorizer.c (vectorize_loops): Remove calls to
5202 rewrite_into_ssa and bitmap_clear (vars_to_rename).
5203 (new_stmt_vec_info): initialize STMT_VINFO_PTR_INFO for stmt.
5204 * tree-vectorizer.h (_stmt_vec_info): add field ptr_info and
5205 define macro STMT_VINFO_PTR_INFO for use in accessing.
5206 * tree.h add export of duplicate_ssa_name_ptr_info.
5207 * rs6000.c (altivec_init_builtins): Declare builtin function
5208 __builtin_altivec_mask_for_load to be "const".
5209
5210 2005-03-29 Jakub Jelinek <jakub@redhat.com>
5211
5212 PR middle-end/20622
5213 * cgraph.h (struct cgraph_varpool_node): Add alias field.
5214 * cgraph.c (cgraph_varpool_assemble_pending_decls): Don't call
5215 assemble_variable on aliases.
5216 * varasm.c (assemble_alias): Set node->alias.
5217 * toplev.c (wrapup_global_declarations): Don't call
5218 rest_of_decl_compilation on aliases again.
5219
5220 2005-03-29 Paul Brook <paul@codesourcery.com>
5221
5222 * config/arm/arm-protos.h (arm_dbx_register_number): Add prototype.
5223 * config/arm/arm.c (arm_dbx_register_number): New function.
5224 * config/arm/arm.h (IS_FPA_REGNUM, DBX_REGISTER_NUMBER): Define.
5225
5226 2005-03-29 Eric Botcazou <ebotcazou@libertysurf.fr>
5227
5228 PR middle-end/20263
5229 * varasm.c (make_decl_rtl) [ASM_DECLARE_REGISTER_GLOBAL]: Use
5230 the DECL_NAME, not the DECL_ASSEMBLER_NAME.
5231
5232 2005-03-29 Dale Johannesen <dalej@apple.com>
5233
5234 * Makefile.in (value-prof.o): New dependencies on $(DIAGNOSTIC_H)
5235 $(TREE_H) and $(COVERAGE_H).
5236 * coverage.c (compute_checksum): Use DECL_NAME not DECL_ASSEMBLER_NAME.
5237 * opts.c (common_handle_option): Enable tree-based value transforms.
5238 * toplev.c (process_options): Ditto.
5239 * value-prof.h (struct histogram_value_t): Redefine. "Adjust" below
5240 refers to references to this type.
5241 * tree-flow.h: (struct stmt_ann_d): Add histograms field.
5242 * rtl-profile.c (rtl_gen_interval_profiler): Adjust. Remove checks
5243 for may_be_more, may_be_less.
5244 (rtl_gen_pow2_profiler): Adjust.
5245 (rtl_gen_one_value_profiler_no_edge_manip): Adjust.
5246 (rtl_gen_one_value_profiler): Adjust.
5247 (rtl_gen_const_delta_profiler): Adjust.
5248 * tree-profile.c (tree_gen_interval_profiler): Implement.
5249 (tree_gen_pow2_profiler): Ditto.
5250 (tree_gen_one_value_profiler): Ditto.
5251 (tree_profiling): New.
5252 (pass_tree_profile): Reference it.
5253 * value-prof.c: Include tree-flow.h, tree-flow-inline.h, diagnostic.h,
5254 tree.h, gcov-io.h.
5255 (insn_divmod_values_to_profile): Rename to
5256 rtl_divmod_values_to_profile. Adjust.
5257 (insn_values_to_profile): Rename to rtl_values_to_profile. Adjust.
5258 (insn_prefetch_values_to_profile): Adjust.
5259 (rtl_value_profile_transformations): Adjust.
5260 (gen_divmod_fixed_value): Rename to rtl_divmod_fixed_value.
5261 (gen_mod_pow2): Rename to rtl_mod_pow2.
5262 (gen_mod_subtract): Rename to rtl_mod_subtract.
5263 (divmod_fixed_value_transform): Rename to
5264 rtl_divmod_fixed_value_transform.
5265 (mod_pow2_value_transform): Rename to rtl_mod_pow2_value_transform.
5266 (mod_subtract_transform): Rename to rtl_mod_subtract_transform.
5267 (rtl_find_values_to_profile): Adjust.
5268 (tree_value_profile_transformations): Implement.
5269 (tree_divmod_values_to_profile): New.
5270 (tree_values_to_profile): New.
5271 (tree_divmod_fixed_value): New.
5272 (tree_mod_pow2): New.
5273 (tree_mod_subtract): New.
5274 (tree_divmod_fixed_value_transform): New.
5275 (tree_mod_pow2_value_transform): New.
5276 (tree_mod_subtract_transform): New.
5277 (tree_find_values_to_profile): Implement.
5278 * profile.c (instrument_values): Free histograms.
5279 (compute_value_histograms): Adjust. Implement tree version.
5280
5281 2005-03-29 Uros Bizjak <uros@kss-loka.si>
5282
5283 * reg-stack.c (subst_stack_regs_pat): Handle <UNSPEC_FIST> case.
5284 * config/i386/i386.c (output_fix_trunc): Add new round_mode
5285 variable. Output "fldcw" depending on round_mode.
5286 * config/i386/i386.md (UNSPEC_FIST): New.
5287 (fistdi2, fistdi2_with_temp, fist<mode>2, fist<mode>2_with_temp):
5288 New isns patterns to implement lrint and llrint built-ins as x87
5289 intrinsic function.
5290 (fistdi2, fist<mode>2 splitters): New splitters.
5291 (lrint<mode>2): New expanders.
5292
5293 2005-03-28 Ian Lance Taylor <ian@airs.com>
5294
5295 * config/arc/arc.c (arc_output_function_epilogue): Pass prescan as
5296 0 when calling final_scan_insn.
5297
5298 2005-03-28 Jan Hubicka <jh@suse.cz>
5299
5300 PR middle-end/20635
5301 * varasm.c (mark_decl_referenced): Do not mark extern inline functions
5302 as needed.
5303
5304 * tree-inline.c (estimate_num_insns_1): Use declaration to discover argument
5305 types where possible.
5306
5307 2005-03-26 Per Bothner <per@bothner.com>
5308
5309 Make -f[no-]show-column also control non-cpp diagnostics.
5310 * c.opt (fshow-column): Move option from here ...
5311 * common.opt (fshow-column): ... to here.
5312 * diagnostic.c (diagnostic_build_prefix): Only print column number
5313 if flag_show_column.
5314
5315 2005-03-27 Steven Bosscher <stevenb@suse.de>
5316
5317 * vax-protos.h (vax_output_int_move, vax_output_int_add,
5318 vax_output_conditional_branch): New prototypes.
5319 * vax.c (vax_output_int_move, vax_output_int_add): New functions,
5320 extracted from vax.md mov and add patterns.
5321 (vax_output_conditional_branch): New function to output conditional
5322 branch instructions.
5323 * vax.md: Use mode macros for arithmetic and mov patterns.
5324 Use code macros for the jump patterns.
5325
5326 2005-03-26 Andrew Pinski <pinskia@physics.uc.edu>
5327
5328 * Makefile.in (libbackend.o): Depend on version files;
5329 add custom generation command.
5330
5331 2005-03-26 Andrew Pinski <pinskia@physics.uc.edu>
5332
5333 PR target/20636
5334 * config/rs6000/rs6000.md (extendsfdf2_fpr): Check to make
5335 sure that we have a REG before getting its REGNO.
5336
5337 2005-03-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5338
5339 * builtin-types.def (BT_FN_STRING_CONST_STRING_SIZE): New.
5340 * builtins.def (BUILT_IN_STRNDUP): New.
5341
5342 2005-03-25 Pat Haugen <pthaugen@us.ibm.com>
5343
5344 PR tree-optimization/20470
5345 * fold-const.c (fold_cond_expr_with_comparison): Recognize/fold
5346 ABS(x-y).
5347
5348 2005-03-25 Mike Stump <mrs@apple.com>
5349
5350 * config/darwin.h (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Don't allow 0
5351 sized objects.
5352
5353 2005-03-25 Geoffrey Keating <geoffk@apple.com>
5354
5355 * config/rs6000/darwin-fallback.c: Don't include <ucontext.h>.
5356 Use our own structure definitions.
5357
5358 * config/rs6000/rs6000.md (UNSPEC constants): Add UNSPEC_STFIWX.
5359 (fix_truncdfsi2): Allow registers or memory as destination.
5360 When TARGET_PPC_GFXOPT, generate simplified pattern.
5361 (fix_truncdfsi2_internal): Use define_insn_and_split.
5362 (fix_truncdfsi2_internal_gfxopt): New.
5363 (fctiwz): Don't confuse register allocation by giving it no choices.
5364 (stfiwx): New.
5365 * config/rs6000/rs6000.h (EXTRA_CONSTRAINT): Add 'Z'.
5366 (EXTRA_MEMORY_CONSTRAINT): Likewise.
5367 * config/rs6000/rs6000.c (indexed_or_indirect_operand): New.
5368 * config/rs6000/rs6000-protos.h (indexed_or_indirect_operand): New.
5369
5370 2005-03-25 Kazu Hirata <kazu@cs.umass.edu>
5371
5372 * dominance.c (free_dominance_info): Speed up by freeing et
5373 data structures without maintaining other nodes.
5374 * et-forest.c (et_free_tree_force): New.
5375 * et-forest.h: Add a prototype for et_free_tree_force.
5376
5377 * tree.c (get_set_constructor_bits,
5378 get_set_constructor_bytes): Remove.
5379 * tree.h: Remove the corresponding prototypes.
5380
5381 2005-03-25 John David Anglin <dave.anglin@nrc-crnc.gc.ca>
5382
5383 PR target/15491
5384 * vax.c (vax_rtx_costs_1): Merge with vax_rtx_costs.
5385 (vax_rtx_costs): Return false when passed unsupported rtx's. Handle
5386 FLOAT_EXTEND, FLOAT_TRUNCATE and TRUNCATE. Fix costs for POST_INC,
5387 PRE_DEC, NEG and NOT.
5388
5389 2005-03-25 Kazu Hirata <kazu@cs.umass.edu>
5390
5391 * fold-const.c: Convert uses of fold (build (...)) to
5392 fold_buildN.
5393
5394 2005-03-25 Zdenek Dvorak <dvorakz@suse.cz>
5395
5396 PR rtl-optimization/20249
5397 * cse.c (insert_regs): Do not record equivalence of registers in
5398 different modes.
5399
5400 2005-03-24 Kazu Hirata <kazu@cs.umass.edu>
5401
5402 * emit-rtl.c (reverse_comparison): Remove.
5403 * rtl.h: Remove the corresponding prototype.
5404
5405 2005-03-24 James E Wilson <wilson@specifixinc.com>
5406
5407 * doc/install.texi (--enable-altivec): Delete docs.
5408
5409 2005-03-24 David Edelsohn <edelsohn@gnu.org>
5410
5411 * config/rs6000/predicates.md (easy_fp_constant): Return 0 for
5412 SFmode and DFmode before reload when
5413 flag_unsafe_math_optimizations not enabled.
5414
5415 2005-03-24 Geoffrey Keating <geoffk@apple.com>
5416
5417 * c.opt (fvisibility-inlines-hidden): Allow for ObjC++.
5418
5419 * config/i386/darwin.h (TARGET_SUBTARGET_DEFAULT): Add
5420 MASK_128BIT_LONG_DOUBLE, MASK_ALIGN_DOUBLE.
5421
5422 2005-03-24 Nathan Sidwell <nathan@codesourcery.com>
5423
5424 * configure.ac (enable-checking): Add 'runtime' option.
5425 * doc/install.texi (enable-checking): Document 'runtime' checking.
5426 * tsystem.h (gcc_assert, gcc_unreachable): Define.
5427 * config.in: Regenerated.
5428 * configure: Regenerated.
5429
5430 2005-03-23 Uros Bizjak <uros@kss-loka.si>
5431
5432 * optabs.h (enum optab_index): Remove OTI_llrint.
5433 (llrint_optab): Remove macro.
5434 * optabs.c (init_optabs): Remove llrint_optab initialization.
5435 * genopinit.c (optabs): Remove llrint_optab implementation.
5436 * builtins.c (expand_builtin_mathfn): Handle BUILT_IN_LLRINT{,F,L}
5437 using lrint_optab.
5438
5439 2005-03-24 Alexandre Oliva <aoliva@redhat.com>
5440
5441 PR rtl-optimization/20532
5442 * simplify-rtx.c (simplify_binary_operation_1): Protect from
5443 overflow when adding coefficients for PLUS or MINUS.
5444 (simplify_binary_operation_1): Handle CONST_DOUBLE exact power of
5445 two as multiplier.
5446
5447 2005-03-23 Joseph S. Myers <joseph@codesourcery.com>
5448
5449 * langhooks.h (truthvalue_conversion): Remove.
5450 * langhooks-def.h (LANG_HOOKS_INITIALIZER): Remove
5451 LANG_HOOKS_TRUTHVALUE_CONVERSION.
5452 * system.h (LANG_HOOKS_TRUTHVALUE_CONVERSION): Poison.
5453 * gimplify.c (gimple_boolify): Don't use truthvalue_conversion.
5454 * c-objc-common.h (LANG_HOOKS_TRUTHVALUE_CONVERSION): Remove.
5455
5456 2005-03-23 Kazu Hirata <kazu@cs.umass.edu>
5457
5458 * params.def: Fix a typo.
5459 * config/mips/mips.c: Follow the spelling convensions.
5460 * doc/invoke.texi: Fix typos.
5461
5462 2005-03-23 Daniel Berlin <dberlin@dberlin.org>
5463
5464 Fix PR tree-optimization/20601
5465
5466 * tree-ssa-pre.c (insert_aux): Add missing condition to
5467 constification.
5468
5469 2005-03-23 Ian Lance Taylor <ian@airs.com>
5470
5471 * final.c (final_scan_insn): Don't remove no-op instructions.
5472 * reload1.c (reload): Remove simple no-op instructions even when
5473 not optimizing.
5474
5475 2005-03-23 Dorit Naishlos <dorit@il.ib.com>
5476
5477 PR tree-optimization/20501
5478 * tree-vect-analyze.c (vect_enhance_data_refs_alignment): Debug print
5479 reporting that peeling for alignment is applied moved to...
5480 * (vect_analyze_data_refs_alignment): Here.
5481
5482 2005-03-23 Ian Lance Taylor <ian@airs.com>
5483
5484 * reorg.c (dbr_schedule): Remove #if 0 code to call final.
5485
5486 2005-03-23 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
5487
5488 * config.gcc (alpha*-dec-osf[45]*): Remove target_cpu_default.
5489 Define TARGET_SUPPORT_ARCH except on Tru64 UNIX V4.0A.
5490
5491 2005-03-23 Hans-Peter Nilsson <hp@axis.com>
5492
5493 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Adjust wording to not
5494 imply that this is called once, independent of asms in code.
5495 Adjust to now being pased output and input lists. Mention helper
5496 function decl_overlaps_hard_reg_set_p.
5497 * hooks.c (hook_tree_tree_tree_tree_3rd_identity): Rename from
5498 hook_tree_tree_identity and to take three trees, returning third.
5499 * hooks.h (hook_tree_tree_tree_tree_3rd_identity): Adjust the
5500 prototype.
5501 * stmt.c: include hard-reg-set.h before tree.h.
5502 (decl_overlaps_hard_reg_set_p): New function, broken out from...
5503 (decl_conflicts_with_clobbers_p): Call
5504 decl_overlaps_hard_reg_set_p.
5505 (expand_asm_operands): Pass output and input lists in call to
5506 targetm.md_asm_clobbers.
5507 * target-def.h (TARGET_MD_ASM_CLOBBERS): Define as
5508 hook_tree_tree_tree_tree_3rd_identity.
5509 * target.h (struct gcc_target.md_asm_clobbers): Take three tree
5510 parameters.
5511 * tree.h [HARD_CONST] (decl_overlaps_hard_reg_set_p): Prototype.
5512 * config/i386/i386.c (ix86_md_asm_clobbers): Adjust to three
5513 parameters, first two unused.
5514 * config/cris/cris.c (cris_md_asm_clobbers): Adjust to added
5515 parameters. Only add MOF to clobbers if there's no 'h' mentioned
5516 in constraint letters and MOF is not mentioned as a asm-declared
5517 register in neither of the input and output lists.
5518
5519 2005-03-23 DJ Delorie <dj@redhat.com>
5520
5521 * optabs.c (expand_binop): Make sure the first subword's result
5522 gets stored.
5523
5524 2005-03-23 Joseph S. Myers <joseph@codesourcery.com>
5525
5526 * c-common.c (c_common_truthvalue_conversion): Adjust comment.
5527 Call c_common_truthvalue_conversion rather than
5528 lang_hooks.truthvalue_conversion.
5529 * c-convert.c (convert): Call c_objc_common_truthvalue_conversion.
5530 * c-objc-common.c (c_objc_common_truthvalue_conversion): Move to
5531 c-typeck.c.
5532 * c-objc-common.h (LANG_HOOKS_TRUTHVALUE_CONVERSION): Change to
5533 c_common_truthvalue_conversion.
5534 * c-parser.c (c_parser_paren_condition, c_parser_for_statement,
5535 c_parser_conditional_expression, c_parser_binary_expression): Call
5536 c_objc_common_truthvalue_conversion.
5537 * c-typeck.c (build_unary_op): Call
5538 c_objc_common_truthvalue_conversion.
5539 (build_conditional_expr): Do not call
5540 lang_hooks.truthvalue_conversion.
5541 (build_binary_op): Call c_common_truthvalue_conversion.
5542 (c_objc_common_truthvalue_conversion): Moved from
5543 c-objc-common.c. Call default_function_array_conversion instead
5544 of default_conversion.
5545
5546 2005-03-23 Joseph S. Myers <joseph@codesourcery.com>
5547
5548 * c-common.h (default_conversion): Remove.
5549 (perform_integral_promotions): Add.
5550 * c-tree.h (default_conversion): Add.
5551 * c-typeck.c (perform_integral_promotions): New, split out from
5552 default_conversion.
5553 * c-common.c (check_case_value): Use perform_integral_promotions,
5554 not default_conversion.
5555 (c_add_case_label): Don't continue processing case label after
5556 found to be pointer.
5557
5558 2005-03-23 Mark Mitchell <mark@codesourcery.com>
5559
5560 * gcc.c (do_spec_1): Do not add a -L path for a directory in
5561 the prefix list if we have already added a multilib directory
5562 based on that path.
5563 (main): Do not add MD_EXEC_PREFIX to the list of directories to
5564 search with -L.
5565
5566 2005-03-22 Kazu Hirata <kazu@cs.umass.edu>
5567
5568 * reload1.c (indirect_symref_ok, reload_obstack): Make them
5569 static.
5570 * reload.h: Remove the prototype for indirect_symref_ok.
5571
5572 * reload1.c (indirect_symref_ok): Make it global.
5573 * reload.h: Add a prototype for indirect_symref_ok.
5574
5575 2005-03-22 Kaz Kojima <kkojima@gcc.gnu.org>
5576
5577 * config/sh/sh.md (ashlhi3): Rename to *ashlhi3_n and add a new
5578 ashlhi3 expander.
5579
5580 2005-03-22 Tobias Schl"uter <tobias.schlueter@physik.uni-muenchen.de>
5581
5582 * tree.h (DECL_IGNORED_P, DECL_IN_SYSTEM_HEADER): Clarify comments.
5583
5584 2005-03-22 Daniel Berlin <dberlin@dberlin.org>
5585
5586 * c-opts.c (c_common_parse_file): Only start/end main source file
5587 if debug hooks says the writer wants it.
5588 * dbxout.c (dbx_debug_hooks): Add start_end_main_source_file
5589 member.
5590 (xcoff_debug_hooks): Ditto.
5591 * debug.c (do_nothing_hooks): Ditto.
5592 * debug.h (gcc_debug_hooks): Ditto.
5593 * dwarf2out.c (dwarf2_debug_hooks): Ditto.
5594 * sdbout.c (sdb_debug_hooks): Ditto.
5595 * vmsdbgout.c (vmsdbg_debug_hooks): Ditto.
5596
5597 2005-03-22 Mark Mitchell <mark@codesourcery.com>
5598
5599 * doc/extend.texi: Deprecate C++ min/max operators.
5600
5601 2005-03-22 Zdenek Dvorak <dvorakz@suse.cz>
5602
5603 * tree-ssa-loop-ivopts.c (determine_iv_cost): Do not try to preserve
5604 artificial original candidates.
5605
5606 2005-03-22 Richard Guenther <rguenth@tat.physik.uni-tuebingen.de>
5607 Jan Hubicka <jh@suse.cz>
5608 Steven Bosscher <stevenb@suse.de>
5609
5610 * cgraphunit.c (cgraph_estimate_size_after_inlining): Compute
5611 call cost based on argument sizes.
5612 (cgraph_mark_inline_edge): Avoid inline unit from shrinking by
5613 inlining.
5614 * params.def: (max-inline-inssn-single): Set to 450.
5615 (max-inline-insns-auto): Set to 90.
5616 (max-inline-insns-recursive): Set to 450
5617 (max-inline-insns-recursive-auto): Set to 450.
5618 (large-function-insns): Set to 2700.
5619 (inline-call-cost): New parameter.
5620 * tree-inline.c (estimate_move_cost): New function.
5621 (estimate_num_insns_1): Compute move sizes costs by estimate_move_cost
5622 for non-gimple-regs, set cost to 0 for gimple-regs. Compute call size
5623 based on arguments.
5624 * tree-inline.h (estimate_move_cost): Declare.
5625 * invoke.texi: (max-inline-inssn-single): Change default to 450.
5626 (max-inline-insns-auto): Change default to 90.
5627 (max-inline-insns-recursive): Change default to 450
5628 (max-inline-insns-recursive-auto): Change default to 450.
5629 (large-function-insns): Change default to 2700.
5630 (inline-call-cost): Document new parameter.
5631
5632 2005-03-22 Richard Sandiford <rsandifo@redhat.com>
5633
5634 * config/i860/i860.h (target_flags, TARGET_XP, TARGET_SWITCHES)
5635 (TARGET_DEFAULT): Delete.
5636 * config/i860/i860.opt: New file.
5637
5638 2005-03-22 Richard Sandiford <rsandifo@redhat.com>
5639
5640 * config/frv/frv-protos.h (frv_branch_cost_string, frv_branch_cost_int)
5641 (frv_cpu_string, frv_condexec_insns_str, frv_condexec_insns)
5642 (frv_condexec_temps_str, frv_condexec_temps, frv_sched_lookahead_str)
5643 (frv_sched_lookahead): Delete.
5644 * config/frv/frv.h (MASK_DEFAULT_ALLOC_CC): Move to frv.c.
5645 (target_flags, MASK_GPR_32, MASK_FPR_32, MASK_SOFT_FLOAT)
5646 (MASK_ALLOC_CC, MASK_DWORD, MASK_DOUBLE, MASK_MEDIA, MASK_MULADD)
5647 (MASK_LIBPIC, MASK_ACC_4, MASK_PACK, MASK_LONG_CALLS)
5648 (MASK_ALIGN_LABELS, MASK_LINKED_FP, MASK_BIG_TLS, MASK_DEBUG_ARG)
5649 (MASK_DEBUG_ADDR, MASK_DEBUG_STACK, MASK_DEBUG, MASK_DEBUG_LOC)
5650 (MASK_DEBUG_COND_EXEC, MASK_NO_COND_MOVE, MASK_NO_SCC)
5651 (MASK_NO_COND_EXEC, MASK_NO_VLIW_BRANCH, MASK_NO_MULTI_CE)
5652 (MASK_FDPIC, MASK_INLINE_PLT, MASK_GPREL_RO, MASK_DEFAULT)
5653 (TARGET_GPR_32, TARGET_FPR_32, TARGET_SOFT_FLOAT, TARGET_ALLOC_CC)
5654 (TARGET_DWORD, TARGET_DOUBLE, TARGET_MEDIA, TARGET_MULADD)
5655 (TARGET_LIBPIC, TARGET_ACC_4, TARGET_DEBUG_ARG, TARGET_DEBUG_ADDR)
5656 (TARGET_DEBUG_STACK, TARGET_DEBUG, TARGET_DEBUG_LOC)
5657 (TARGET_DEBUG_COND_EXEC, TARGET_NO_COND_MOVE, TARGET_NO_SCC)
5658 (TARGET_NO_COND_EXEC, TARGET_NO_VLIW_BRANCH, TARGET_NO_MULTI_CE)
5659 (TARGET_NO_NESTED_CE, TARGET_FDPIC, TARGET_INLINE_PLT, TARGET_BIG_TLS)
5660 (TARGET_GPREL_RO, TARGET_PACK, TARGET_LONG_CALLS, TARGET_ALIGN_LABELS)
5661 (TARGET_LINKED_FP, TARGET_GPR_64, TARGET_FPR_64, TARGET_HARD_FLOAT)
5662 (TARGET_FIXED_CC, TARGET_COND_MOVE, TARGET_SCC, TARGET_COND_EXEC)
5663 (TARGET_VLIW_BRANCH, TARGET_MULTI_CE, TARGET_NESTED_CE, TARGET_ACC_8)
5664 (TARGET_SWITCHES, TARGET_OPTIONS, DEFAULT_CONDEXEC_TEMPS)
5665 (DEFAULT_BRANCH_COST, DEFAULT_CONDEXEC_INSNS): Delete.
5666 * config/frv/frv.c (frv_branch_cost_string, frv_branch_cost_int)
5667 (frv_cpu_string, frv_condexec_insns_str, frv_condexec_insns)
5668 (frv_condexec_temps_str, frv_condexec_temps, frv_sched_lookahead_str)
5669 (frv_sched_lookahead): Delete.
5670 (MASK_DEFAULT_ALLOC_CC): Moved from frv.h.
5671 (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
5672 (frv_handle_option): New function. Move -mcpu= handling from...
5673 (frv_override_options): ...here. Remove handling of other
5674 TARGET_OPTIONS.
5675 (frv_ifcvt_modify_tests): Check !TARGET_COND_EXEC instead of
5676 TARGET_NO_COND_EXEC and !TARGET_NESTED_CE to TARGET_NO_NESTED_CE.
5677 (frv_ifcvt_modify_multiple_tests): Likewise !TARGET_MULTI_CE
5678 and TARGET_NO_MULTI_CE.
5679 (frv_for_each_packet): Likewise TARGET_NO_VLIW_BRANCH and
5680 !TARGET_VLIW_BRANCH.
5681 * config/frv/frv.opt: New file.
5682
5683 2005-03-22 Kazu Hirata <kazu@cs.umass.edu>
5684
5685 * fold-const.c (fold_ternary): Take decomposed arguments of
5686 CALL_EXPR.
5687 (fold): Update a call to fold_ternary.
5688
5689 * fold-const.c (fold_build1, fold_build2, fold_build3): New.
5690 * tree.h: Add corresponding prototypes.
5691
5692 2005-03-22 Jakub Jelinek <jakub@redhat.com>
5693
5694 PR target/20561
5695 * cfglayout.c (reemit_insn_block_notes): Don't put block notes in
5696 between jump table and its label.
5697 * final.c (shorten_branches): Handle notes in between ADDR_VEC
5698 resp. ADDR_DIFF_VEC and the label preceeding it.
5699 (final_scan_insn): Likewise. Ensure ADDR_VEC resp. ADDR_DIFF_VEC
5700 is emitted in the right section.
5701
5702 2005-03-22 Kazu Hirata <kazu@cs.umass.edu>
5703
5704 * fold-const.c (fold_unary, fold_binary): Update comments
5705 about arguments.
5706
5707 2005-03-22 Hans-Peter Nilsson <hp@axis.com>
5708
5709 PR rtl-optimization/20527
5710 * combine.c (can_combine_p) [AUTO_INC_DEC]: When INSN has an
5711 REG_INC note, test that the register also isn't mentioned in PRED
5712 or SUCC.
5713
5714 2005-03-22 Ben Elliston <bje@au.ibm.com>
5715
5716 * dwarf2out.c (dwarf_type_encoding_name): Remove unused prototype
5717 and definition.
5718
5719 2005-03-21 Mike Stump <mrs@apple.com>
5720
5721 * varasm.c (default_assemble_visibility): Remove extra ().
5722
5723 2005-03-21 Roger Sayle <roger@eyesopen.com>
5724
5725 PR middle-end/20557
5726 * bb-reorder.c (duplicate_computed_gotos): Use can_duplicate_block_p
5727 to determine whether a block can be duplicated, rather than test
5728 whether the block contains noncopyable insns ourselves.
5729
5730 2005-03-21 Kazu Hirata <kazu@cs.umass.edu>
5731
5732 * config/i860/i860.h (PREDICATE_CODES): Remove nonexistent
5733 predicates.
5734
5735 2005-03-21 Richard Sandiford <rsandifo@redhat.com>
5736
5737 * config/ip2k/ip2k.h (target_flags, TARGET_SWITCHES): Delete.
5738
5739 2005-03-21 Richard Sandiford <rsandifo@redhat.com>
5740
5741 * config/fr30/fr30.h (TARGET_SMALL_MODEL_MASK, TARGET_SMALL_MODEL)
5742 (TARGET_DEFAULT, target_flags, TARGET_SWITCHES): Delete.
5743 * config/fr30/fr30.opt: New file.
5744
5745 2005-03-18 Daniel Berlin <dberlin@dberlin.org>
5746
5747 Fix PR tree-optimization/20542
5748
5749 * tree-flow-inline.h (overlap_subvar): Move to here.
5750 * tree-ssa-operands.c: From here.
5751 * tree-flow.h (overlap_subvar): Declare.
5752 * tree-ssa-alias.c (add_pointed_to_var): Use overlap_subvar here.
5753 * tree-ssa-loop-im.c (is_call_clobbered_ref): Return proper answer
5754 for variables with subvars.
5755
5756 2005-03-21 Mostafa Hagog <mustafa@il.ibm.com>
5757
5758 PR middle-end/20177
5759 * ddg.c (create_ddg_dependence): Ignore reg-anti dependency.
5760 * modulo-sched.c (const_iteration_count): Return on NULL
5761 pre-header.
5762 (print_node_sched_params): Return on NULL dump_file.
5763 (generate_reg_moves): Handle reg-anti dependencies and disregard
5764 closing branch when generating register moves.
5765 (sms_schedule): Mark the SMSed block dirty.
5766 * passes.c (rest_of_handle_sms): Call update_life_info for all
5767 basic-blocks.
5768 * testsuite/gcc.dg/20050321-1.c: New test.
5769
5770 2005-03-21 Bob Wilson <bob.wilson@acm.org>
5771
5772 * config/xtensa/lib1funcs.asm (__mulsi3): Use symbolic name for ACCLO.
5773 * config/xtensa/xtensa.md (movsi_internal, movhi_internal,
5774 movqi_internal): Likewise.
5775
5776 2005-03-21 Bob Wilson <bob.wilson@acm.org>
5777
5778 * config/xtensa/xtensa-protos.h: (xtensa_simm7, xtensa_uimm8,
5779 xtensa_uimm8x2, xtensa_uimm8x4, xtensa_ai4const, xtensa_lsi4x4,
5780 xtensa_b4const): Delete prototypes.
5781 (xtensa_simm8, xtensa_simm8x256, xtensa_simm12b, xtensa_b4constu,
5782 xtensa_mask_immediate, xtensa_mem_offset): Update prototypes.
5783 (xtensa_b4const_or_zero, xtensa_const_ok_for_letter_p,
5784 xtensa_extra_constraint): New prototypes.
5785 (add_operand, arith_operand, nonimmed_operand, mem_operand,
5786 mask_operand, extui_fldsz_operand, sext_operand, sext_fldsz_operand,
5787 lsbitnum_operand, branch_operand, ubranch_operand, call_insn_operand,
5788 move_operand, const_float_1_operand, fpmem_offset_operand,
5789 branch_operator, ubranch_operator, boolean_operator): Delete prototypes.
5790 * config/xtensa/xtensa.c (b4const_or_zero): Rename to ...
5791 (xtensa_b4const_or_zero): ...this. Change return type to bool and
5792 argument type to HOST_WIDE_INT.
5793 (xtensa_simm8, xtensa_simm8x256, xtensa_simm12b,
5794 xtensa_mask_immediate): Likewise.
5795 (xtensa_uimm8, xtensa_uimm8x2, xtensa_uimm8x4, xtensa_b4const):
5796 Likewise. Also make these functions static.
5797 (xtensa_simm7, xtensa_ai4const, xtensa_lsi4x4): Delete.
5798 (xtensa_const_ok_for_letter_p): New.
5799 (add_operand, arith_operand, nonimmed_operand, mem_operand,
5800 mask_operand, extui_fldsz_operand, sext_operand, sext_fldsz_operand,
5801 lsbitnum_operand, branch_operand, ubranch_operand, call_insn_operand,
5802 move_operand, const_float_1_operand, fpmem_offset_operand,
5803 branch_operator, ubranch_operator, boolean_operator): Move to
5804 predicates.md.
5805 (smalloffset_mem_p): Inline code from xtensa_lsi4x4.
5806 (xtensa_mem_offset): Change return type to bool.
5807 (xtensa_extra_constraint): New.
5808 (gen_int_relational): Update type of const_range_p function pointer.
5809 Use xtensa_b4const_or_zero.
5810 * config/xtensa/xtensa.h (CONST_OK_FOR_LETTER_P): Define to
5811 xtensa_const_ok_for_letter_p. Update comments.
5812 (EXTRA_CONSTRAINT): Define to xtensa_extra_constraint.
5813 (PREDICATE_CODES): Delete.
5814 * config/xtensa/xtensa.md: Include predicates.md.
5815 * config/xtensa/predicates.md: New file.
5816
5817 2005-03-21 Kazu Hirata <kazu@cs.umass.edu>
5818
5819 * config/v850/v850-protos.h: Remove the prototypes for
5820 reg_or_int9_operand, reg_or_const_operand,
5821 pattern_is_ok_for_prepare, pattern_is_ok_for_dispose,
5822 reg_or_0_operand, reg_or_int5_operand, call_address_operand,
5823 movsi_source_operand, power_of_two_operand,
5824 not_power_of_two_operand, special_symbolref_operand,
5825 pattern_is_ok_for_prologue, pattern_is_ok_for_epilogue, and
5826 register_is_ok_for_epilogue.
5827 * config/v850/v850.c (reg_or_0_operand, reg_or_int5_operand,
5828 reg_or_int9_operand, reg_or_const_operand,
5829 call_address_operand, special_symbolref_operand,
5830 movsi_source_operand, power_of_two_operand,
5831 not_power_of_two_operand, register_is_ok_for_epilogue,
5832 pattern_is_ok_for_epilogue, pattern_is_ok_for_prologue,
5833 pattern_is_ok_for_dispose, pattern_is_ok_for_prepare): Move to
5834 predicates.md.
5835 * config/v850/v850.h (PREDICATE_CODES): Remove.
5836 * config/v850/v850.md: Include predicates.md.
5837 * config/v850/predicates.md: New.
5838
5839 2005-03-21 Zack Weinberg <zack@codesourcery.com>
5840
5841 * Makefile.in (BASEVER, DEVPHASE, DATESTAMP)
5842 (BASEVER_c, DEVPHASE_c, DATESTAMP_c)
5843 (BASEVER_s, DEVPHASE_s, DATESTAMP_s, version): Set with :=.
5844 (itoolsdir, itoolsdatadir): Move definition above new first use.
5845 (install-itoolsdirs): New rule.
5846 (install-mkheaders): Depend on install-itoolsdirs, not
5847 install-include-dir.
5848
5849 2005-03-21 Kazu Hirata <kazu@cs.umass.edu>
5850
5851 * tree-into-ssa.c: Remove obsolete comments.
5852
5853 2005-03-21 Richard Guenther <rguenth@gcc.gnu.org>
5854
5855 * tree-ssa-loop.c (gate_tree_complete_unroll): Run complete
5856 unrolling if -fpeel-loops is specified, too.
5857 * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely):
5858 Remove superfluous check for flag_unroll_loops.
5859
5860 2005-03-21 Uros Bizjak <uros@kss-loka.si>
5861
5862 * optabs.h (enum optab_index): Add new OTI_lrint and OTI_llrint.
5863 (lrint_optab, llrint_optab): Define corresponding macros.
5864 * optabs.c (init_optabs): Initialize lrint_optab and llrint_optab.
5865 * genopinit.c (optabs): Implement lrint_optab using lrintsi2
5866 pattern and llrint_optab using llrintdi2 patterns.
5867 * builtins.c (expand_builtin_mathfn): Handle BUILT_IN_LRINT{,F,L}
5868 using lrint_optab and BUILT_IN_LLRINT{,F,L} using llrint_optab.
5869 (expand_builtin): Expand BUILT_IN_LRINT{,F,L} and
5870 BUILT_IN_LLRINT{,F,L} using expand_builtin_mathfn if
5871 flag_unsafe_math_optimizations is set.
5872
5873 2005-03-21 Paolo Bonzini <bonzini@gnu.org>
5874
5875 * combine.c (combine_simplify_rtx, simplify_if_then_else,
5876 simplify_logical, if_then_else_cond, known_cond,
5877 simplify_comparison): Adjust calls to reverse_comparison.
5878 Don't use combine_reversed_comparison_code).
5879 (combine_reversed_comparison_code): Remove.
5880 (reversed_comparison): Using reversed_comparison_code, move it...
5881 * jump.c (reversed_comparison): ... here.
5882 * rtl.h (reversed_comparison): Add prototype.
5883
5884 2005-03-21 Kazu Hirata <kazu@cs.umass.edu>
5885
5886 * builtins.c (fold_builtin): Take decomposed arguments of
5887 CALL_EXPR.
5888 * fold-const.c (fold_ternary): Update a call to fold_builtin.
5889 * gimplify.c (gimplify_call_expr): Likewise.
5890 * tree-ssa-ccp.c (ccp_fold, ccp_fold_builtin): Likewise.
5891 * tree.h: Update the prototype of fold_builtin.
5892
5893 2005-03-21 Paolo Bonzini <bonzini@gnu.org>
5894
5895 * rtl.h (struct rtx_hooks): Add gen_lowpart_no_emit.
5896 * rtlhooks.c (gen_lowpart_no_emit_general): New.
5897 * rtlhooks-def.h (gen_lowpart_no_emit_general): Declare.
5898 (RTL_HOOKS_GEN_LOWPART_NO_EMIT): New.
5899 * simplify-rtx.c (simplify_binary_operation_1): Use it.
5900
5901 2005-03-21 Kazu Hirata <kazu@cs.umass.edu>
5902
5903 * builtins.c (fold_builtin_1): Take decomposed arguments of
5904 CALL_EXPR.
5905 (fold_builtin): Update a call to fold_builtin_1.
5906
5907 2005-03-21 Nathan Sidwell <nathan@codesourcery.com>
5908
5909 PR other/20564
5910 * gcov.c (output_lines): Only output function block summary when
5911 outputting branch information.
5912 * doc/gcov.texi: Document format of preamble and additional block
5913 information lines.
5914
5915 2005-03-21 Richard Sandiford <rsandifo@redhat.com>
5916
5917 * libgcc2.h (LIBGCC2_HAS_SF_MODE): New macro.
5918 (LIBGCC2_HAS_DF_MODE, LIBGCC2_HAS_TF_MODE, LIBGCC2_HAS_XF_MODE): Make
5919 the defaults false if BITS_PER_UNIT != 8.
5920 (SFtype, SCtype, __fixsfdi, __floatdisf, __fixunssfSI, __fixunssfDI)
5921 (__powisf2, __divsc3, __mulsc3): Guard with LIBGCC2_HAS_SF_MODE rather
5922 than BITS_PER_UNIT != 8.
5923 (L_fixdfdi, L_fixsfdi, L_fixtfdi, L_fixunsdfdi, L_fixunsdfsi)
5924 (L_fixunssfdi, L_fixunssfsi, L_fixunstfdi, L_fixunsxfdi, L_fixunsxfsi)
5925 (L_fixxfdi, L_floatdidf, L_floatdisf, L_floatditf, L_floatdixf): Remove
5926 #undefs.
5927 * libgcc2.c (__fixunssfDI, __fixsfdi, __floatdisf, __fixunssfSI)
5928 (__powisf2, __divsc3, __mulsc3): Guard with LIBGCC2_HAS_SF_MODE.
5929
5930 2005-03-20 Roger Sayle <roger@eyesopen.com>
5931
5932 PR middle-end/20539
5933 * fold-const.c (fold_binary): Fix type mismatch between
5934 TRUTH_{AND,OR,XOR}_EXPR nodes an their operands' types.
5935 (fold_binary) <TRUTH_XOR_EXPR>: Avoid calling invert_truthvalue
5936 for non-truth-valued expressions.
5937
5938 * c-common.c (c_common_truthvalue_conversion): Handle ERROR_MARK
5939 and FUNCTION_DECL in the main switch.
5940 <TRUTH_ANDIF_EXPR, TRUTH_ORIF_EXPR, TRUTH_AND_EXPR, TRUTH_OR_EXPR,
5941 TRUTH_XOR_EXPR>: When changing the result type of these tree nodes,
5942 we also need to convert their operands to match.
5943 <TRUTH_NOT_EXPR>: Likewise.
5944
5945 2005-03-21 Joseph S. Myers <joseph@codesourcery.com>
5946
5947 * c-common.c (lvalue_or_else): Replace by lvalue_error; only give
5948 diagnostic without checking whether an lvalue.
5949 * c-common.h (lvalue_p): Remove.
5950 (enum lvalue_use): Update comment.
5951 (lvalue_or_else): Replace by lvalue_error.
5952 * c-typeck.c (lvalue_p): Make static.
5953 (lvalue_or_else): New. Call lvalue_error.
5954
5955 2005-03-21 Alan Modra <amodra@bigpond.net.au>
5956
5957 * config/rs6000/rs6000.c (rs6000_parm_start): New function.
5958 (function_arg_advance): Use rs6000_parm_start.
5959 (function_arg, rs6000_arg_partial_bytes): Likewise.
5960
5961 2005-03-20 Joseph S. Myers <joseph@codesourcery.com>
5962
5963 * c-common.c (check_case_value): Adjust comment about stripping
5964 NOPs.
5965 (handle_vector_size_attribute): Don't strip NON_LVALUE_EXPR.
5966 * c-typeck.c (default_conversion, convert_arguments,
5967 build_modify_expr, convert_for_assignment, store_init_value,
5968 digest_init): Use STRIP_TYPE_NOPS instead of stripping nops
5969 manually. Remove inaccurate comments.
5970
5971 2005-03-20 Roger Sayle <roger@eyesopen.com>
5972 Joseph S. Myers <joseph@codesourcery.com>
5973
5974 * varasm.c (do_assemble_alias): Restore comment describing function.
5975 Annotate the target parameter as potentially unused.
5976
5977 2005-03-20 Marek Michalkiewicz <marekm@amelek.gda.pl>
5978
5979 PR target/18551
5980 * config/avr/avr.c (avr_output_function_prologue): Do not use
5981 current_function_name() in a label, use a local label instead.
5982
5983 2005-03-20 David Edelsohn <edelsohn@gnu.org>
5984
5985 * config/rs6000/rs6000.c (rs6000_generate_compare): Test
5986 flag_finite_math_only, not flag_unsafe_math_optimizations.
5987
5988 2005-03-20 Kazu Hirata <kazu@cs.umass.edu>
5989
5990 * builtins.c (fold_builtin_1): Update a call to
5991 targetm.fold_builtin.
5992 * hooks.c (hook_tree_tree_bool_null): Rename to
5993 hook_tree_tree_tree_bool_null. Take one more argument of type
5994 tree.
5995 * hooks.h: Update the prototype of hook_tree_tree_bool_null.
5996 * target-def.h (TARGET_FOLD_BUILTIN): Define it as
5997 hook_tree_tree_tree_bool_null.
5998 * target.h (gcc_target): Update the prototype of fold_builtin.
5999 * config/alpha/alpha.c (alpha_fold_builtin): Take decomposed
6000 arguments of CALL_EXPR.
6001 * doc/tm.texi (TARGET_FOLD_BUILTIN): Update. Mention the
6002 new prototype.
6003
6004 2005-03-20 Jan Hubicka <jh@suse.cz>
6005
6006 * cgraph.h (cgraph_node): Add prev_clone pointer.
6007 * cgraph.c (cgraph_remove_node): Remove from doubly linked chain.
6008 (cgraph_clone_node): Produce doubly linked chain.
6009
6010 2005-03-20 Joseph S. Myers <joseph@codesourcery.com>
6011
6012 * c-common.c (handle_aligned_attribute, check_function_sentinel,
6013 get_nonnull_operand, handle_sentinel_attribute,
6014 check_function_arguments_recurse): Do not strip NOPS from
6015 INTEGER_CSTs.
6016 * c-decl.c (check_bitfield_type_and_width, build_enumerator):
6017 Likewise.
6018 * c-format.c (get_constant): Likewise.
6019 * c-parser.c (c_parser_postfix_expression): Likewise.
6020 * c-typeck.c (set_init_index): Likewise.
6021 (convert_arguments): Don't check for NOP_EXPR containing integer
6022 constant.
6023
6024 2005-03-20 Kazu Hirata <kazu@cs.umass.edu>
6025
6026 * builtins.c (fold_fixed_mathfn, fold_builtin_trunc,
6027 fold_builtin_floor, fold_builtin_ceil, fold_builtin_lround):
6028 Take decomposed arguments of CALL_EXPR.
6029 (fold_builtin_1): Update calls to the functions mentioned
6030 above.
6031
6032 2005-03-20 Joseph S. Myers <joseph@codesourcery.com>
6033
6034 * c-decl.c (check_bitfield_type_and_width): Require bit-field
6035 width to have integer type.
6036 (build_enumerator): Require enumerator value to have integer type.
6037
6038 2005-03-19 Joseph S. Myers <joseph@codesourcery.com>
6039
6040 * doc/extend.texi (__builtin_inf): Move statement about INFINITY
6041 to __builtin_inff.
6042
6043 2005-03-19 Joseph S. Myers <joseph@codesourcery.com>
6044
6045 * c.opt (ansi, std=iso9899:1990, std=iso9899:1999,
6046 std=iso9899:199x): Correct descriptions.
6047
6048 2005-03-19 Joseph S. Myers <joseph@codesourcery.com>
6049
6050 * config.gcc: Consistently use solaris2.1[0-9]* instead of
6051 solaris2.1[0-9].
6052
6053 2005-03-19 Kazu Hirata <kazu@cs.umass.edu>
6054
6055 * builtins.c (fold_builtin_memcpy): Take decomposed arguments
6056 of CALL_EXPR.
6057 (expand_builtin_memcpy, fold_builtin_1): Update calls to
6058 fold_builtin_memcpy.
6059
6060 * builtins.c (fold_trunc_transparent_mathfn): Take decomposed
6061 arguments of CALL_EXPR.
6062 (fold_builtin_trunc, fold_builtin_floor, fold_builtin_ceil,
6063 fold_builtin_found, fold_builtin_1): Update calls to
6064 fold_trunc_transparent_mathfn.
6065
6066 2005-03-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6067
6068 PR middle-end/20493
6069 * fold-const.c (fold_widened_comparison): Don't optimize casts of
6070 function pointers on targets that require function pointer
6071 canonicalization.
6072 (fold_sign_changed_comparison): Likewise.
6073
6074 2005-03-19 Bernd Schmidt <bernd.schmidt@analog.com>
6075
6076 * combine.c (try_combine): When changing the mode of a hard reg, make
6077 sure that doing so is valid.
6078
6079 2005-03-19 Richard Sandiford <rsandifo@redhat.com>
6080
6081 * config/avr/avr.c (avr_init_stack, avr_mcu_name): Make static.
6082 (TARGET_HANDLE_OPTION): Override default.
6083 (avr_handle_option): New function.
6084 * config/avr/avr.h (MASK_ALL_DEBUG, MASK_ORDER_1, MASK_INSN_SIZE_DUMP)
6085 (MASK_ORDER_2, MASK_NO_TABLEJUMP, MASK_INT8, MASK_NO_INTERRUPTS)
6086 (MASK_CALL_PROLOGUES, MASK_TINY_STACK, MASK_SHORT_CALLS)
6087 (TARGET_ORDER_1, TARGET_ORDER_2, TARGET_INT8, TARGET_NO_INTERRUPTS)
6088 (TARGET_INSN_SIZE_DUMP, TARGET_CALL_PROLOGUES, TARGET_TINY_STACK)
6089 (TARGET_NO_TABLEJUMP, TARGET_SHORT_CALLS, TARGET_ALL_DEBUG)
6090 (TARGET_SWITCHES, avr_init_stack, avr_mcu_name)
6091 (TARGET_OPTIONS): Delete.
6092 * config/avr/avr.opt: New file.
6093
6094 2005-03-18 2005-03-18 Kazu Hirata <kazu@cs.umass.edu>
6095
6096 * config/m32r/m32r-protos.h: Remove the prototypes for
6097 call_address_operand, symbolic_operand, seth_add3_operand,
6098 cmp_int16_operand, uint16_operand, reg_or_int16_operand,
6099 reg_or_uint16_operand, reg_or_cmp_int16_operand,
6100 two_insn_const_operand, move_src_operand,
6101 move_double_src_operand, move_dest_operand,
6102 eqne_comparison_operator, signed_comparison_operator,
6103 large_insn_p, conditional_move_operand, carry_compare_operand,
6104 m32r_block_immediate_operand, extend_operand,
6105 reg_or_eq_int16_operand, int8_operand, and
6106 reg_or_zero_operand.
6107 * config/m32r/m32r.c (call_address_operand, symbolic_operand,
6108 seth_add3_operand, int8_operand, cmp_int16_operand,
6109 uint16_operand, reg_or_int16_operand, reg_or_uint16_operand,
6110 reg_or_eq_int16_operand, reg_or_cmp_int16_operand,
6111 reg_or_zero_operand, two_insn_const_operand, move_src_operand,
6112 move_double_src_operand, move_dest_operand,
6113 eqne_comparison_operator, signed_comparison_operator,
6114 extend_operand, small_insn_p, large_insn_p,
6115 conditional_move_operand, carry_compare_operand,
6116 m32r_block_immediate_operand): Move to predicates.md.
6117 (MAX_MOVE_BYTES): Move to m32r.h.
6118 * config/m32r/m32r.h (PREDICATE_CODES): Remove.
6119 * config/m32r/m32r.md: Include predicates.md.
6120 * config/m32r/predicates.md: New.
6121
6122 2005-03-18 James E Wilson <wilson@specifixinc.com>
6123
6124 PR c++/19769
6125 * dwarf2out.c (declare_in_namespace): Ignore decls with an abstract
6126 origin.
6127
6128 2005-03-18 Kazu Hirata <kazu@cs.umass.edu>
6129
6130 * config/mn10300/mn10300-protos.h: Remove the prototypes for
6131 call_address_operand, const_8bit_operand.
6132 * config/mn10300/mn10300.c (call_address_operand,
6133 const_8bit_operand, const_1f_operand): Move to predicates.md.
6134 * config/mn10300/mn10300.h (PREDICATE_CODES): Remove.
6135 * config/mn10300/mn10300.md: Include predicates.md.
6136 * config/mn10300/predicates.md: New.
6137
6138 2005-03-18 Joseph S. Myers <joseph@codesourcery.com>
6139
6140 * c-common.c, c-decl.c, c-format.c, c-typeck.c: Use %D for
6141 declarations in diagnostics and %E for identifiers, not %s.
6142
6143 2005-03-18 Jan Hubicka <jh@suse.cz>
6144 Dale Johannesen <dalej@apple.com>
6145
6146 * basic-block.h (scale_bbs_frequencies_int,
6147 scale_bbs_frequencies_gcov_type): Declare.
6148 * cfg.c (RDIV): New macro.
6149 (update_bb_frequency_for_threading): Fix.
6150 * basic-block.h (scale_bbs_frequencies_int,
6151 scale_bbs_frequencies_gcov_type): New.
6152 * cfgloopmanip.c (scale_bbs_frequencies): Kill.
6153 (scale_loop_frequencies, duplicate_loop_to_header_edge): Use
6154 scale_bbs_frequencies_int.
6155 * tree-ssa-loop-ch.c (copy_loop_headers): Fix profiling info.
6156
6157 2005-03-18 Kazu Hirata <kazu@cs.umass.edu>
6158
6159 * config/m32r/m32r-protos.h: Remove the prototypes for
6160 call_address_operand, symbolic_operand, seth_add3_operand,
6161 cmp_int16_operand, uint16_operand, reg_or_int16_operand,
6162 reg_or_uint16_operand, reg_or_cmp_int16_operand,
6163 two_insn_const_operand, move_src_operand,
6164 move_double_src_operand, move_dest_operand,
6165 eqne_comparison_operator, signed_comparison_operator,
6166 large_insn_p, conditional_move_operand, carry_compare_operand,
6167 m32r_block_immediate_operand, extend_operand,
6168 reg_or_eq_int16_operand, int8_operand, and
6169 reg_or_zero_operand.
6170 * config/m32r/m32r.c (call_address_operand, symbolic_operand,
6171 seth_add3_operand, int8_operand, cmp_int16_operand,
6172 uint16_operand, reg_or_int16_operand, reg_or_uint16_operand,
6173 reg_or_eq_int16_operand, reg_or_cmp_int16_operand,
6174 reg_or_zero_operand, two_insn_const_operand, move_src_operand,
6175 move_double_src_operand, move_dest_operand,
6176 eqne_comparison_operator, signed_comparison_operator,
6177 extend_operand, small_insn_p, large_insn_p,
6178 conditional_move_operand, carry_compare_operand,
6179 m32r_block_immediate_operand): Move to predicates.md.
6180 (MAX_MOVE_BYTES): Move to m32r.h.
6181 * config/m32r/m32r.h (PREDICATE_CODES): Remove.
6182 * config/m32r/m32r.md: Include predicates.md.
6183 * config/m32r/predicates.md: New.
6184
6185 * config/pa/pa-protos.h: Add prototypes for magic_milli and
6186 shadd_constant_p.
6187 * config/pa/pa.c (reg_or_0_operand, call_operand_address,
6188 symbolic_operand, symbolic_memory_operand,
6189 reg_or_0_or_nonsymb_mem_operand, reg_before_reload_operand,
6190 indexed_memory_operand, move_dest_operand, move_src_operand,
6191 prefetch_cc_operand, prefetch_nocc_operand,
6192 reg_or_cint_move_operand, pic_label_operand, fp_reg_operand,
6193 arith_operand, arith11_operand, pre_cint_operand,
6194 post_cint_operan, arith_double_operand, ireg_or_int5_operand,
6195 ireg_operand, int5_operand, uint5_operand, int11_operand,
6196 uint32_operand, arith5_operand, and_operand, ior_operand,
6197 lhs_lshift_operand, lhs_lshift_cint_operand, arith32_operand,
6198 pc_or_label_operand, div_operand, plus_xor_ior_operator,
6199 shadd_operand, movb_comparison_operator,
6200 cmpib_comparison_operator): Move to predicates.md.
6201 (magic_milli, shadd_constant_p): Make it extern.
6202 * config/pa/pa.h (PREDICATE_CODES): Remove.
6203 * config/pa/pa.md: Include predicates.md.
6204 * config/pa/predicates.md: New.
6205
6206 * config/v850/v850.h (PREDICATE_CODES): Remove a nonexistent
6207 predicate.
6208
6209 2005-03-18 Kazu Hirata <kazu@cs.umass.edu>
6210
6211 * hooks.c, hooks.h, intl.c, opts.h, prefix.c, tree-gimple.c,
6212 config/alpha/ev4.md, config/alpha/ev5.md, config/alpha/ev6.md,
6213 config/alpha/freebsd.h, config/alpha/linux.h,
6214 config/alpha/netbsd.h, config/alpha/osf5.h,
6215 config/alpha/vms.h, config/arc/arc.c, config/arc/arc.h,
6216 config/h8300/h8300-protos.h, config/h8300/h8300.c,
6217 config/h8300/h8300.h, config/ia64/unwind-ia64.c,
6218 doc/cppopts.texi: Update copyright.
6219
6220 2005-03-18 Jan Hubicka <jh@suse.cz>
6221
6222 PR middle-end/20225
6223 * cgraph.c (cgraph_mark_reachable_node): Assert that it is not called
6224 too late.
6225 * varasm.c (find_decl_and_mark_needed): Mark needed only when not
6226 called too late.
6227
6228 2005-03-18 Kazu Hirata <kazu@cs.umass.edu>
6229
6230 * tree-into-ssa.c (find_idf): Use VEC_quick_push instead of
6231 VEC_safe_push.
6232
6233 2005-03-18 Paolo Bonzini <bonzini@gnu.org>
6234
6235 * combine.c (gen_binary): Remove.
6236 (known_cond, simplify_shift_const, find_split_point,
6237 combine_simplify_rtx, simplify_if_then_else, simplify_set,
6238 simplify_logical, expand_field_assignment, extract_left_shift,
6239 force_to_mode, if_then_else_cond, apply_distributive_law,
6240 simplify_and_const_int, simplify_shift_const, gen_lowpart_for_combine,
6241 simplify_comparison, reversed_comparison): Replace with
6242 simplify_gen_binary, simplify_gen_relational or
6243 distribute_and_simplify_rtx.
6244 (distribute_and_simplify_rtx): New function.
6245
6246 2005-03-18 Alexey Neyman <alex.neyman@auriga.ru>
6247 Paolo Bonzini <gcc.gnu.org>
6248
6249 * calls.c (setjmp_call_p, special_function_p): Update comments
6250 at the head of the functions.
6251
6252 2005-03-18 Jan Hubicka <jh@suse.cz>
6253
6254 * tree-cfg.c (fold_cond_expr_cond): Use boolean types for condition.
6255
6256 * cgraph.c (cgraph_remove_node): Avoid loop in code deciding whether
6257 function body should be released; do not proactively release function
6258 bodies in non-unit-at-a-time mode.
6259
6260 2005-03-18 Ralf Corsepius <ralf.corsepius@rtems.org>
6261
6262 * config/i386/t-rtems-i386 (MULTILIBS): Remove k6, athlon,
6263 mno-fp-ret-in-387 multilib variants.
6264
6265 2005-03-18 Richard Sandiford <rsandifo@redhat.com>
6266
6267 * common.opt (m): Remove.
6268 * opts.c (handle_option): Pass 'm' options to set_target_switch if
6269 table lookup fails.
6270 (common_handle_option): Remove OPT_m case.
6271
6272 2005-03-18 Kazu Hirata <kazu@cs.umass.edu>
6273
6274 * builtins.c (fold_builtin_bitop): Take decomposed arguments
6275 of CALL_EXPR.
6276 (fold_builtin_1): Update a call to fold_builtin_bitop.
6277
6278 * builtins.c (fold_builtin_signbit): Take decomposed arguments
6279 of CALL_EXPR.
6280 (fold_builtin_1): Update a call to fold_builtin_signbit.
6281
6282 2005-03-17 Dorit Naishlos <dorit@il.ibm.com>
6283
6284 PR tree-optimization/20474
6285 * tree-vect-analyze.c (vect_analyze_pointer_ref_access): Check the
6286 size_type of the relevant pointer. Check for COMPLETE_TYPE_P.
6287
6288 2005-03-17 Kazu Hirata <kazu@cs.umass.edu>
6289
6290 * config/h8300/h8300-protos.h: Remove prototypes for
6291 general_operand_src, general_operand_dst, single_one_operand,
6292 single_zero_operand, call_insn_operand,
6293 two_insn_adds_subs_operand, small_call_insn_operand,
6294 jump_address_operand, bit_operand, bit_memory_operand,
6295 stack_pointer_operand, const_int_gt_2_operand,
6296 const_int_ge_8_operand, const_int_qi_operand,
6297 const_int_hi_operand, incdec_operand, bit_operator,
6298 nshift_operator, eqne_operator, gtle_operator,
6299 gtuleu_operator, iorxor_operator.
6300 Add prototypes for h8sx_shift_type h8sx_classify_shift and
6301 h8300_ldm_stm_parallel.
6302 * config/h8300/h8300.c (h8sx_shift_type,): Move to
6303 h8300-protos.h.
6304 (SYMBOL_FLAG_FUNCVEC_FUNCTION, SYMBOL_FLAG_EIGHTBIT_DATA,
6305 SYMBOL_FLAG_TINY_DATA): Move to h8300.h.
6306 (h8300_ldm_stm_parallel): Make it extern.
6307 (h8300_ldm_parallel, h8300_stm_parallel,
6308 h8300_return_parallel, general_operand_src,
6309 general_operand_dst, h8300_dst_operand, h8300_src_operand,
6310 nibble_operand, reg_or_nibble_operand, single_one_operand,
6311 single_zero_operand, call_insn_operand,
6312 two_insn_adds_subs_operand, small_call_insn_operand,
6313 jump_address_operand, bit_operand, bit_memory_operand,
6314 stack_pointer_operand, const_int_gt_2_operand,
6315 const_int_ge_8_operand, const_int_qi_operand,
6316 const_int_hi_operand, incdec_operand, eqne_operator,
6317 gtle_operator, gtuleu_operator, iorxor_operator, bit_operator,
6318 h8sx_binary_memory_operator, h8sx_unary_memory_operator,
6319 h8sx_unary_shift_operator, h8sx_binary_shift_operator,
6320 nshift_operator): Move to predicates.md.
6321 * config/h8300/h8300.h (PREDICATE_CODES): Remove.
6322 * config/h8300/h8300.md: Include predicates.md.
6323 * config/h8300/predicates.md: New.
6324
6325 2005-03-17 Richard Henderson <rth@redhat.com>
6326
6327 * config.gcc (ia64*-*-hpux*): Add extra_options.
6328 * config/ia64/hpux.h (SUBTARGET_SWITCHES): Remove.
6329 (TARGET_DEFAULT): Remove MASK_INLINE_FLOAT_DIV_THR.
6330 * config/ia64/ia64.c (ia64_fixed_range_string): Remove.
6331 (ia64_tls_size_string, ia64_tune_string): Remove.
6332 (ia64_tune): Init to PROCESSOR_ITANIUM2.
6333 (TARGET_DEFAULT_TARGET_FLAGS): New.
6334 (TARGET_HANDLE_OPTION): New.
6335 (ia64_override_options): Move options parsing ...
6336 (ia64_handle_option): ... here. New.
6337 * config/ia64/ia64.h (target_flags, MASK_BIG_ENDIAN, MASK_GNU_AS,
6338 MASK_GNU_LD, MASK_NO_PIC, MASK_VOL_ASM_STOP, MASK_ILP32,
6339 MASK_REG_NAMES, MASK_NO_SDATA, MASK_CONST_GP, MASK_AUTO_PIC,
6340 MASK_INLINE_FLOAT_DIV_LAT, MASK_INLINE_FLOAT_DIV_THR,
6341 MASK_INLINE_INT_DIV_LAT, MASK_INLINE_INT_DIV_THR,
6342 MASK_INLINE_SQRT_LAT, MASK_INLINE_SQRT_THR, MASK_DWARF2_ASM,
6343 MASK_EARLY_STOP_BITS, TARGET_BIG_ENDIAN, TARGET_GNU_AS, TARGET_GNU_LD,
6344 TARGET_NO_PIC, TARGET_VOL_ASM_STOP, TARGET_ILP32, TARGET_REG_NAMES,
6345 TARGET_NO_SDATA, TARGET_CONST_GP, TARGET_AUTO_PIC,
6346 TARGET_INLINE_FLOAT_DIV_LAT, TARGET_INLINE_FLOAT_DIV_THR,
6347 TARGET_INLINE_INT_DIV_LAT, TARGET_INLINE_INT_DIV_THR,
6348 TARGET_INLINE_FLOAT_DIV, TARGET_INLINE_INT_DIV, TARGET_INLINE_SQRT_LAT,
6349 TARGET_INLINE_SQRT_THR, TARGET_INLINE_SQRT, TARGET_DWARF2_ASM,
6350 TARGET_EARLY_STOP_BITS): Remove.
6351 (TARGET_ILP32): Default false.
6352 (TARGET_SWITCHES, SUBTARGET_SWITCHES, TARGET_OPTIONS): Remove.
6353 (enum ia64_inline_type): New.
6354 (TARGET_DEFAULT): Remove MASK_INLINE_FLOAT_DIV_THR.
6355 * config/ia64/ia64.md: Update for new definitions of
6356 TARGET_INLINE_INT_DIV, TARGET_INLINE_FLOAT_DIV, TARGET_INLINE_SQRT.
6357 * config/ia64/ia64.opt: New file.
6358 * config/ia64/ilp32.opt: New file.
6359
6360 2005-03-17 H.J. Lu <hongjiu.lu@intel.com>
6361
6362 PR target/18380
6363 * config/ia64/unwind-ia64.c (_Unwind_FindTableEntry): Removed.
6364
6365 2005-03-17 Kazu Hirata <kazu@cs.umass.edu>
6366
6367 * config/h8300/h8300.c (h8300_init_once): Use MASK_H8300S_1
6368 instead of MASK_H8300S.
6369 * config/h8300/h8300.h (target_flags, MASK_H8300S, MASK_MAC,
6370 MASK_INT32, MASK_ADDRESSES, MASK_QUICKCALL, MASK_SLOWBYTE,
6371 MASK_NORMAL_MODE, MASK_RELAX, MASK_H8300H, MASK_ALIGN_300,
6372 MASK_H8300SX, TARGET_INT32, TARGET_ADDRESSES,
6373 TARGET_QUICKCALL, TARGET_SLOWBYTE, TARGET_H8300H,
6374 TARGET_H8300XS, TARGET_NORMAL_MODE, TARGET_ALIGN_300,
6375 TARGET_SWITCHES): Remove.
6376 (TARGET_H8300S): Redefine interms of TARGET_H8300S_1 and
6377 TARGET_H8300SX.
6378 * config/h8300/h8300.opt: New.
6379
6380 * config/alpha/alpha.opt, config/arc/arc.opt,
6381 config/h8300/h8300.opt, config/mips/mips.opt: Add copyright
6382 notices.
6383
6384 2005-03-17 Ian Lance Taylor <ian@airs.com>
6385
6386 * gmon.c: Remove.
6387
6388 2005-03-17 Richard Sandiford <rsandifo@redhat.com>
6389
6390 * config/arc/arc.c (arc_cpu_string): Make static. Default to "base"
6391 (arc_text_string, arc_data_string, arc_rodata_string): Make static.
6392 (TARGET_HANDLE_OPTION): Override default.
6393 (arc_handle_option): New function.
6394 (arc_init): Remove code to set arch_cpu_string.
6395 * config/arc/arc.h (target_flags, TARGET_MASK_MANGLE_CPU)
6396 (TARGET_MANGLE_CPU, TARGET_MASK_MANGLE_CPU_LIBGCC)
6397 (TARGET_MANGLE_CPU_LIBGCC, TARGET_MASK_ALIGN_LOOPS, TARGET_ALIGN_LOOPS)
6398 (TARGET_MASK_BIG_ENDIAN, TARGET_BIG_ENDIAN, TARGET_MASK_NO_COND_EXEC)
6399 (TARGET_NO_COND_EXEC, TARGET_SWITCHES, TARGET_DEFAULT)
6400 (SUBTARGET_SWITCHES, arc_cpu_string, arc_text_string, arc_data_string)
6401 (arc_rodata_string, TARGET_OPTIONS): Delete.
6402 * config/arc/arc.opt: New file.
6403
6404 2005-03-17 Richard Henderson <rth@redhat.com>
6405
6406 * doc/extend.texi (Weak Pragmas): New section.
6407 (attribute alias): Clarify that target must be in the same
6408 translation unit.
6409
6410 2005-03-17 Richard Henderson <rth@redhat.com>
6411
6412 * config/alpha/alpha.opt: New file.
6413 * config/alpha/alpha.c (alpha_tune): New. Rename all existing uses
6414 of alpha_cpu.
6415 (alpha_cpu_string, alpha_tune_string, alpha_tp_string,
6416 alpha_fprm_string, alpha_fptm_string): Make static.
6417 (alpha_tls_size_string): Remove.
6418 (alpha_handle_option): New.
6419 (override_options): Update for alpha_cpu/alpha_tune split.
6420 (alpha_file_start): Likewise.
6421 (TARGET_DEFAULT_TARGET_FLAGS): New.
6422 (TARGET_HANDLE_OPTION): New.
6423 * config/alpha/alpha.h (alpha_tune): Declare.
6424 (MASK_FP, MASK_FPREGS, TARGET_FPREGS, MASK_GAS, TARGET_GAS,
6425 MASK_IEEE_CONFORMANT, TARGET_IEEE_CONFORMANT, MASK_IEEE, TARGET_IEEE,
6426 MASK_IEEE_WITH_INEXACT, TARGET_IEEE_WITH_INEXACT, MASK_BUILD_CONSTANTS,
6427 TARGET_BUILD_CONSTANTS, MASK_FLOAT_VAX, TARGET_FLOAT_VAX, MASK_BWX,
6428 TARGET_BWX, MASK_MAX, TARGET_MAX, MASK_FIX, TARGET_FIX, MASK_CIX,
6429 TARGET_CIX, MASK_EXPLICIT_RELOCS, TARGET_EXPLICIT_RELOCS,
6430 MASK_SMALL_DATA, TARGET_SMALL_DATA, MASK_TLS_KERNEL, TARGET_TLS_KERNEL,
6431 MASK_SMALL_TEXT, TARGET_SMALL_TEXT, MASK_LONG_DOUBLE_128,
6432 TARGET_LONG_DOUBLE_128, MASK_CPU_EV5, TARGET_CPU_EV5, MASK_CPU_EV6,
6433 TARGET_CPU_EV6, MASK_SUPPORT_ARCH): Remove.
6434 (TARGET_SWITCHES, TARGET_OPTIONS): Remove.
6435 (TARGET_DEFAULT): Remove MASK_FP.
6436 (TARGET_FP): Redefined based on TARGET_SOFT_FP.
6437 (TARGET_SUPPORT_ARCH): Default on if HAVE_AS_EXPLICIT_RELOCS.
6438 (alpha_cpu_string, alpha_tune_string, alpha_fprm_string,
6439 alpha_fptm_string, alpha_tp_string, alpha_mlat_string,
6440 alpha_tls_size_string): Remove.
6441 * config/alpha/alpha.md (prefetch): Use alpha_cpu.
6442 (attribute tune): Rename from attribute cpu.
6443 * config/alpha/ev4.md: Update to match.
6444 * config/alpha/ev5.md, config/alpha/ev6.md: Likewise.
6445 * config/alpha/freebsd.h (TARGET_DEFAULT): Remove MASK_FP.
6446 * config/alpha/linux.h (TARGET_DEFAULT): Likewise.
6447 * config/alpha/netbsd.h (TARGET_DEFAULT): Likewise.
6448 * config/alpha/osf5.h (TARGET_DEFAULT): Likewise.
6449 * config/alpha/vms.h (TARGET_DEFAULT): Likewise.
6450
6451 2005-03-16 James E. Wilson <wilson@specifixinc.com>
6452
6453 * config/ia64/ia64.c (issue_nops_and_insn): Check first_insn attribute,
6454 and return without creating new state if before_nops_num is nonzero.
6455 * config/ia64/ia64.md (first_insn): New attribute.
6456 (alloc): Set it to yes.
6457
6458 2005-03-16 Daniel Berlin <dberlin@dberlin.org>
6459
6460 * tree-vectorizer.c (new_vec_stmt_info): Initialize
6461 STMT_VINFO_SUBVARS to NULL.
6462 * tree-vect-analyze.c (vect_analyze_data_refs): Ditto.
6463
6464 2005-03-16 Dale Johannesen <dalej@apple.com>
6465
6466 * rtlanal.c (find_first_parameter_load): Rewrite to
6467 return actual first param load or the call if none,
6468 instead of first in block, when not all loads exist.
6469
6470 2005-03-16 Roger Sayle <roger@eyesopen.com>
6471
6472 * optabs.c (expand_copysign_absneg): Make static.
6473 * optabs.h (expand_copysign_absneg): Delete prototype.
6474 * config/rs6000/rs6000.md (copysigntf3): Delete pattern.
6475
6476 2005-03-16 Richard Henderson <rth@redhat.com>
6477
6478 PR middle-end/15700
6479 * varasm.c (struct alias_pair): Rename from struct output_def_pair.
6480 (alias_pairs): Rename from output_defs.
6481 (find_decl_and_mark_needed): Split out from assemble_alias.
6482 (do_assemble_alias): New.
6483 (assemble_output_def): Remove.
6484 (finish_aliases_1, finish_aliases_2): New.
6485 (process_pending_assemble_output_defs): Remove.
6486 (assemble_alias): Defer aliases for which we don't yet have a
6487 non-external decl for the target symbol.
6488 * passes.c (rest_of_decl_compilation): Register variables with cgraph.
6489 * cgraphunit.c (cgraph_finalize_compilation_unit): Use finish_aliases_1.
6490 * toplev.c (compile_file): Use finish_aliases_2 instead of
6491 process_pending_assemble_output_defs.
6492 * tree.h (finish_aliases_1, finish_aliases_2): Declare.
6493 (process_pending_assemble_output_defs): Remove.
6494
6495 2005-03-16 Daniel Berlin <dberlin@dberlin.org>
6496
6497 Fix PR tree-optimization/20489
6498
6499 * tree-ssa-alias.c (push_fields_onto_fieldstack): DTRT
6500 for empty structures.
6501
6502 2005-03-16 Daniel Berlin <dberlin@dberlin.org>
6503
6504 Fix PR tree-optimization/20490
6505
6506 * tree-ssa-pre.c (create_expression_by_pieces): Use
6507 force_gimple_operand on result of fold.
6508
6509 2005-03-16 Andrew Pinski <pinskia@physics.uc.edu>
6510
6511 * config/i386/emmintrin.h (_mm_extract_epi16): Correct the number
6512 of closing parenthesis.
6513
6514 2005-03-16 Kazu Hirata <kazu@cs.umass.edu>
6515
6516 * builtins.c (expand_movstr): Update a call to
6517 fold_builtin_strcpy.
6518 (expand_builtin_strncpy): Update a call to
6519 fold_builtin_strncpy.
6520 (fold_builtin_strcpy, fold_builtin_strncpy): Take decomosed
6521 arguments of CALL_EXPR.
6522 (fold_builtin_1): Update calls to fold_builtin_strcpy and
6523 fold_builtin_strncpy.
6524 * tree-ssa-ccp.c (ccp_fold_builtin): Likewise.
6525 * tree.h: Update the prototypes of fold_builtin_strcpy and
6526 fold_builtin_strncpy.
6527
6528 2005-03-16 Steven Bosscher <stevenb@suse.de>
6529 Dorit Naishlos <dorit@il.ibm.com>
6530
6531 * tree-vect-analyze.c (vect_enhance_data_refs_alignment): Copy
6532 UNITS_PER_SIMD_WORD to a local variable to avoid a "division by zero"
6533 error.
6534
6535 2005-03-16 Steven Bosscher <stevenb@suse.de>
6536
6537 * tree-inline.c (walk_type_fields, walk_tree,
6538 walk_tree_without_duplicates): Move from here...
6539 * tree.c: ...to here.
6540
6541 2005-03-15 Zack Weinberg <zack@codesourcery.com>
6542
6543 * BASE-VER, DATESTAMP, DEV-PHASE: New files.
6544 * Makefile.in (gcc_version, gcc_version_trigger, ): Delete.
6545 (BASEVER, DEVPHASE, DATESTAMP, BASEVER_c, DEVPHASE_c, DATESTAMP_c)
6546 (BASEVER_s, DEVPHASE_s, DATESTAMP_s): New variables.
6547 (version): Define using $(BASEVER_c).
6548 (Makefile, config.status, build/gcov-iov.o): No longer depends on
6549 version.c.
6550 (version.o): Depend on version files; add custom generation command.
6551 (prefix.o): Define BASEVER on command line.
6552 (s-iov): Depend on version files; adjust command.
6553 (TEXI_CPP_FILES, TEX_IGCC_FILES, TEXI_GCCINT_FILES, TEXI_CPPINT_FILES):
6554 Add gcc-vers.texi.
6555 (gcc-vers.texi): New rule.
6556 (doc/%.info, doc/%.dvi): Add -I . to command line.
6557 (doc/gccinstall.dvi): Likewise.
6558 (PACKAGE): Delete. All uses replaced with "gcc".
6559 * aclocal.m4: Do not include gcc-version.m4.
6560 * configure.ac: Do not invoke TL_AC_GCC_VERSION.
6561 Do not AC_SUBST nor AC_DEFINE PACKAGE or VERSION.
6562 Set is_release based on contents of DEV-PHASE.
6563 Set gcc_version based on contents of BASE-VER.
6564 Define WIN32_REGISTRY_KEY only if the user overrode the default.
6565 * config.in, configure: Regenerate.
6566 * gccbug.in: Determine version of GCC in use at runtime.
6567 * gcov-iov.c: Get version number and development phase from
6568 command line, not by including version.c.
6569 * intl.c: Replace all uses of PACKAGE with "gcc".
6570 * libada-mk.in: Delete unused "gcc_version" variable.
6571 * prefix.c: Default WIN32_REGISTRY_KEY to BASEVER.
6572 * version.c: (VERSUFFIX): New hook for redistributors; adjust
6573 commentary to match.
6574 (version_string): Put together from pieces.
6575 * config/alpha/x-vms: Do not use $(gcc_version).
6576 * config/i386/t-nwld: Likewise.
6577 * doc/include/gcc-common.texi: Include gcc-vers.texi for
6578 version-GCC and DEVELOPMENT.
6579
6580 2005-03-15 Roger Sayle <roger@eyesopen.com>
6581
6582 PR tree-optimization/17454
6583 * tree.c (tree_size): Add case for TREE_BINFO.
6584 * fold-const.c (fold_checksum_tree): Only clear the overloaded
6585 field TYPE_CACHED_VALUES if TYPE_CACHED_VALUES_P is set.
6586
6587 2005-03-15 Roger Sayle <roger@eyesopen.com>
6588
6589 * optabs.c (expand_doubleword_mult): Avoid clobbering op0 and
6590 op1 whilst expanding the signed widenening multiply variant.
6591
6592 2005-03-15 Richard Sandiford <rsandifo@redhat.com>
6593
6594 * toplev.c (display_target_options): Avoid unused variable warning if
6595 TARGET_SWITCHES and TARGET_OPTIONS are both undefined.
6596 * config/mips/mips.c (mips_arch_string, mips_tune_string): Make static.
6597 (mips_isa_string, mips_abi_string, mips_fix_vr4130_string): Delete.
6598 (mips_isa): Initialize to MIPS_ABI_DEFAULT.
6599 (mips_isa_info): New variable.
6600 (mips_parse_cpu): Remove the first argument and leave the caller
6601 to report errors.
6602 (TARGET_HANDLE_OPTION): Override default.
6603 (mips_handle_option): New function. Move option validation code from...
6604 (override_options): ...here. Update calls to mips_parse_cpu.
6605 * config/mips/mips.h (mips_arch_string, mips_tune_string)
6606 (mips_isa_string, mips_abi_string, TARGET_OPTIONS)
6607 (SUBTARGET_TARGET_OPTIONS): Delete.
6608 * config/mips/mips.opt (mabi=, march=, mflush-func=, mips)
6609 (mno-flush-func, mtune=): New options.
6610
6611 2005-03-15 Roger Sayle <roger@eyesopen.com>
6612 Richard Henderson <rth@redhat.com>
6613
6614 * real.c (c4x_single_format, c4x_extended_format): Provide values
6615 for signbit_ro for c4x's single and extended floating point formats.
6616 * optabs.c (expand_copysign): Use the floating point format's
6617 signbit_ro for expanding via expand_copysign_absneg, and it's
6618 signbit_rw field for expanding via expand_copysign_bit.
6619
6620 2005-03-15 Dorit Naishlos <dorit@il.ibm.com>
6621
6622 * tree-vectorizer.h (unknown_alignment_for_access_p): Replaced by
6623 known_alignment_for_access_p.
6624 (known_alignment_for_access_p): New.
6625 (do_peeling_for_alignment): Field made int instead of bool and renamed
6626 to peeling_for_alignment.
6627 (LOOP_DO_PEELING_FOR_ALIGNMENT): Renamed to LOOP_PEELING_FOR_ALIGNMENT.
6628 * tree-vect-analyze.c (vect_determine_vectorization_factor): New. This
6629 functionality used to be in vect_analyze_operations.
6630 (vect_analyze_operations): Code to determine vectorization factor was
6631 moved to vect_determine_vectorization_factor.
6632 (vect_enhance_data_refs_alignment): Update to correct alignment when it
6633 is known instead of -1. Set LOOP_PEELING_FOR_ALIGNMENT to peeling
6634 factor.
6635 (vect_analyze_loop): Call vect_determine_vectorization_factor (used to
6636 be part of vect_analyze_operations).
6637 * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Use fold when
6638 creating the guard condition, as the number of iterations may be
6639 constant.
6640 (slpeel_tree_peel_loop_to_edge): Use new name of
6641 LOOP_DO_PEELING_FOR_ALIGNMENT. Set it to 0 instead of false.
6642 * tree-vect-transform.c (vect_gen_niters_for_prolog_loop): Handle known
6643 alignment case more efficiently. Use LOOP_PEELING_FOR_ALIGNMENT.
6644 (vect_do_peeling_for_alignment): Use fold.
6645 (vect_transform_loop): Use new name of LOOP_DO_PEELING_FOR_ALIGNMENT.
6646
6647 (vect_update_inits_of_dr): Renamed to
6648 vect_update_init_of_dr.
6649 (vect_update_inits_of_drs): Use new name of vect_update_inits_of_dr.
6650 (vectorizable_store): Fix assertion to use == instead of =.
6651
6652 2005-03-15 Daniel Jacobowitz <dan@codesourcery.com>
6653
6654 * config/arm/arm.h (CONDITIONAL_REGISTER_USAGE): Don't clear
6655 call_used_regs for wCG registers.
6656
6657 2005-03-15 Ulrich Weigand <uweigand@de.ibm.com>
6658
6659 * config/s390/s390.c (s390_secondary_output_reload_class): Adapt check
6660 for non-offsettable memory references to cope with outstanding reload
6661 replacements, take 2.
6662
6663 2005-03-15 Uros Bizjak <uros@kss-loka.si>
6664
6665 PR target/18668
6666 * config/i386/i386.h (x86_fisttp): New.
6667 (TARGET_FISTTP): New macro.
6668 * config/i386/i386.c (x86_fisttp): Set for NOCONA.
6669 (output_fix_trunc): Add fisttp parameter. Generate fisttp x87
6670 instruction when fisttp flag is set.
6671 * config/i386/i386-protos.h (output_fix_trunc): Change declaration.
6672
6673 * config/i386/i386.md (type attribute): Add fisttp.
6674 (unit attribute): Set to i387 for fisttp type.
6675 (X87MODEF, X87MODEI, SSEMODEF, SSEMODEI24): New mode macros.
6676 (fix_truncxfdi2, fix_truncxfsi2): Generate fisttp patterns for
6677 TARGET_FISTTP.
6678 (fix_truncdfdi2, fix_truncsfdi2, fix_truncdfsi2, fix_truncsfsi2):
6679 Generate fisttp patterns for TARGET_FISTTP. Implement using mode
6680 macros.
6681 (fix_truncxfhi2, fix_truncdfhi2, fix_truncsfhi2): Generate fisttp
6682 patterns for TARGET_FISTTP. Enable patterns for
6683 (TARGET_FISTTP && !TARGET_SSE_MATH). Implement using mode macros.
6684 (fix_trunc<mode>_i387_fisttp_1, fix_trunc<mode>_i387_fisttp,
6685 fix_trunc<mode>_i387_fisttp_with_temp): New instruction patterns to
6686 implement fisttp x87 insn.
6687 (fix_trunc*_i387_fisttp splitters): New patterns.
6688 (*fix_truncdi_i387, *fix_truncsi_i387, *fix_trunchi_i387):
6689 Rename to *fix_trunc<mode>_i387_1. Implement using mode macros.
6690 Disable patterns for TARGET_FISTTP. Add comment about FLAGS_REG
6691 clobber.
6692 (fix_truncdi_memory, fix_truncdi_nomemory, fix_trunchi_nomemory):
6693 Rename to fix_trunc<mode>_i387 and fix_trunc<mode>_i387_with_temp.
6694 Implement using mode macros. Disable patterns for TARGET_FISTTP.
6695 (fix_truncsi_memory, fix_truncsi_nomemory, fix_trunchi_memory,
6696 fix_trunchi_nomemory): Rename to fix_trunc<mode>_i387 and
6697 fix_trunc<mode>_i387_with_temp. Implement using mode macros.
6698 Disable patterns for TARGET_FISTTP.
6699 (fix_trunc*_i387 splitters): Implement usign mode macros.
6700 (fix_truncdfdi_sse, fix_truncsfdi_sse, fix_truncdfsi_sse,
6701 fix_truncsfsi_sse): Disable for (TARGET_FISTTP && !TARGET_SSE_MATH).
6702 (fix_trunx*_sse peephole2s): Implement using mode macros.
6703
6704 2005-03-15 J"orn Rennecke <joern.rennecke@st.com>
6705
6706 PR rtl-optimization/20291
6707 * combine.c (try_combine): If splitting fails, re-try with
6708 original combined pattern, i.e. before clobber stripping.
6709
6710 2005-03-14 Eric Christopher <echristo@redhat.com>
6711
6712 * config/mips/mips.h (DWARF_CIE_DATA_ALIGNMENT): Change for
6713 STACK_GROWS_DOWNWARD.
6714
6715 2005-03-14 Roger Sayle <roger@eyesopen.com>
6716
6717 * real.h (struct real_format): Split the signbit field into two
6718 two fields, signbit_ro and signbit_rw.
6719 * real.c (ieee_single_format, mips_single_format, ieee_double_format,
6720 mips_double_format, ieee_extended_motorola_format,
6721 ieee_extended_intel_96_format, ieee_extended_intel_96_round_53_format,
6722 ieee_extended_intel_128_format, ibm_extended_format,
6723 mips_extended_format, ieee_quad_format, mips_quad_format,
6724 vax_f_format, vax_d_format, vax_g_format, i370_single_format,
6725 i370_double_format, c4x_single_format, c4x_extended_format,
6726 real_internal_format): Update initializers for new field.
6727 * builtins.c (expand_builtin_signbit): Use signbit_ro field of the
6728 real_format structure.
6729 * optabs.c (expand_absneg_bit, expand_copysign): Use signbit_rw
6730 field of the real_format structure.
6731
6732 2005-03-14 Daniel Berlin <dberlin@dberlin.org>
6733
6734 Fix PR tree-optimization/20458
6735
6736 * tree-flow-inline.h (mark_call_clobbered): Don't fiddle
6737 DECL_EXTERNAL on STRUCT_FIELD tags.
6738 (clear_call_clobbered): Ditto.
6739 * tree-ssa-operands.c (note_addressable): Make sure the original
6740 variable doesn't slip into the addressable list if we have
6741 subvars.
6742 * tree-tailcall.c (suitable_for_tail_opt_p): Look at STRUCT_FIELD
6743 tags too.
6744
6745 2005-03-14 Geoffrey Keating <geoffk@apple.com>
6746
6747 * doc/cppopts.texi (-fexec-charset): Add concept index entry.
6748 (-fwide-exec-charset): Likewise.
6749 (-finput-charset): Likewise.
6750 * doc/invoke.texi (Warning Options): Document -Wnormalized=.
6751 * c-opts.c (c_common_handle_option): Handle -Wnormalized=.
6752 * c.opt (Wnormalized): New.
6753
6754 2005-03-14 Devang Patel <dpatel@apple.com>
6755
6756 * doc/invoke.texi: Add reference to Visibility document.
6757
6758 2005-03-14 Richard Sandiford <rsandifo@redhat.com>
6759
6760 * config.gcc (mips*-*-*): Rename MASK_SPLIT_ADDRS to
6761 MASK_SPLIT_ADDRESSES.
6762 * config/mips/mips.h (target_flags, mips_fix_vr4130_string): Delete.
6763 (MASK_INT64, MASK_LONG64, MASK_SPLIT_ADDR, MASK_NO_FUSED_MADD)
6764 (MASK_EXPLICIT_RELOCS, MASK_MEMCPY, MASK_SOFT_FLOAT)
6765 (MASK_FLOAT64, MASK_ABICALLS, MASK_XGOT, MASK_LONG_CALLS)
6766 (MASK_64BIT, MASK_EMBEDDED_DATA, MASK_BIG_ENDIAN)
6767 (MASK_SINGLE_FLOAT, MASK_MAD, MASK_4300_MUL_FIX, MASK_MIPS16)
6768 (MASK_NO_CHECK_ZERO_DIV, MASK_BRANCHLIKELY)
6769 (MASK_UNINIT_CONST_IN_RODATA, MASK_FIX_R4000, MASK_FIX_R4400)
6770 (MASK_FIX_SB1, MASK_FIX_VR4120, MASK_VR4130_ALIGN)
6771 (MASK_FP_EXCEPTIONS, MASK_DIVIDE_BREAKS, MASK_PAIRED_SINGLE)
6772 (MASK_MIPS3D, MASK_SYM32, MASK_DEBUG, MASK_DEBUG_D)
6773 (MASK_MIPS_TFILE, TARGET_INT64, TARGET_LONG64, TARGET_FLOAT64)
6774 (TARGET_64BIT, TARGET_SPLIT_ADDRESSES, TARGET_DEBUG_MODE)
6775 (TARGET_DEBUG_D_MODE, TARGET_MEMCPY, TARGET_ABICALLS)
6776 (TARGET_XGOT, TARGET_SOFT_FLOAT, TARGET_HARD_FLOAT)
6777 (TARGET_LONG_CALLS, TARGET_EMBEDDED_DATA)
6778 (TARGET_UNINIT_CONST_IN_RODATA, TARGET_BIG_ENDIAN)
6779 (TARGET_SINGLE_FLOAT, TARGET_DOUBLE_FLOAT, TARGET_MAD)
6780 (TARGET_FUSED_MADD, TARGET_4300_MUL_FIX, TARGET_CHECK_ZERO_DIV)
6781 (TARGET_DIVIDE_TRAPS, TARGET_BRANCHLIKELY, TARGET_FIX_SB1)
6782 (TARGET_FIX_R4000, TARGET_FIX_R4400, TARGET_FIX_VR4120)
6783 (TARGET_FIX_VR4130, TARGET_VR4130_ALIGN, TARGET_FP_EXCEPTIONS)
6784 (TARGET_PAIRED_SINGLE_FLOAT, TARGET_MIPS3D, TARGET_SYM32)
6785 (TARGET_EXPLICIT_RELOCS): Delete.
6786 (TARGET_SWITCHES, SUBTARGET_TARGET_SWITCHES): Delete.
6787 (TARGET_OPTIONS): Remove entry for -mfix-vr4130.
6788 * config/mips/mips.c (TARGET_DEFAULT_TARGET_FLAGS): Define.
6789 (override_options): Set MASK_LONG64 if -mint64 is given and no
6790 -mlongXX option is. Complain about -mint64 -mlong32.
6791 (override_options, CMP_BUILTINS, mips_bdesc, sb1_desc): Rename
6792 MASK_PAIRED_SINGLE to MASK_PAIRED_SINGLE_FLOAT.
6793 * config/mips/mips.opt: New file.
6794
6795 2005-03-14 Richard Sandiford <rsandifo@redhat.com>
6796
6797 * config.gcc (extra_options): New variable for listing option files.
6798 Add ${cpu_type}/${cpu_type}.opt to it if that file exists.
6799 * configure.ac (extra_opt_files): New AC_SUBST variable.
6800 (tm_file_list, tm_include_list): Include options.h first.
6801 * configure: Regenerate.
6802 * Makefile.in (extra_opt_files, ALL_OPT_FILES): New variables.
6803 (s-options): Use $(ALL_OPT_FILES) instead of $(lang_opt_files)
6804 (s-options-h): New rule.
6805 (options.h): Depend on it.
6806 (TEXI_GCCINT_FILES): Add options.texi.
6807 * hooks.h (hook_bool_size_t_constcharptr_int_true): Declare.
6808 * hooks.c (hook_bool_size_t_constcharptr_int_true): New function.
6809 * target.h (gcc_target): Add default_target_flags and handle_option.
6810 * target-def.h (TARGET_DEFAULT_TARGET_FLAGS)
6811 (TARGET_HANDLE_OPTION): New macros.
6812 (TARGET_INITIALIZER): Include them.
6813 * opt-functions.awk (opt_args, nth_arg): New functions.
6814 (switch_flags): Handle the "Target" flag.
6815 (var_args): Delete.
6816 (var_name): Use opt_args and nth_arg.
6817 (var_set, var_ref): Likewise. Handle "Mask" and "InverseMask".
6818 * opth-gen.awk: Declare target_flags. Declare MASK_* and TARGET_*
6819 macros for the "Mask" and "InverseMask" options.
6820 * opts.h (cl_var_cond): New enum.
6821 (cl_option): Replace the "has_set_value" and "set_value" fields with
6822 "var_cond" and "var_value".
6823 (CL_TARGET): New macro.
6824 (option_enabled, print_filtered_help): Declare.
6825 (decode_options): Move definition.
6826 * opts.c (handle_option): Search for the original option before
6827 removing any "no-" prefix. Handle CL_TARGET. Adjust for the new
6828 var_cond and var_value fields. Use targetm.handle_option to handle
6829 target options.
6830 (decode_options): Set target_flags to targetm.default_target_flags.
6831 (print_filtered_help): Make global. Handle CL_TARGET.
6832 (option_enabled): New function.
6833 * toplev.c (target_switches): Guard with #ifdef TARGET_SWITCHES.
6834 (display_target_options, set_target_switch, print_switch_values)
6835 (default_pch_valid_p): Guard uses of target_switches with
6836 #ifdef TARGET_SWITCHES. Also...
6837 (display_target_options): Display the CL_TARGET entries in cl_options.
6838 (set_target_option): Don't complain about the "" option when
6839 TARGET_SWITCHES is undefined.
6840 (print_switch_values): Use option_enabled.
6841 (default_pch_valid_p): Check cl_options[] when looking for something
6842 that has changed the value of target_flags.
6843 * c.opt: Remove documentation from top of file.
6844 * doc/gccint.texi: Add an "Options" chapter. Include options.texi.
6845 * doc/sourecebuild.texi: Refer to the new options documentation
6846 instead of c.opt. Document machine-specific .opt files.
6847 * doc/tm.texi (target_flags): Say that this variable is declared
6848 by options.h.
6849 (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Document.
6850 (TARGET_SWITCHES, TARGET_OPTIONS): Refer to the option files as
6851 an alternative.
6852 * doc/options.texi: New file.
6853
6854 2005-03-14 Alexandre Oliva <aoliva@redhat.com>
6855
6856 PR middle-end/18628
6857 * cse.c (fold_rtx_mem): Don't fold a load from a jumptable into a
6858 register.
6859
6860 2005-03-14 Alexandre Oliva <aoliva@redhat.com>
6861
6862 PR c++/20280
6863 * gimplify.c (gimplify_cond_expr): Add fallback argument. Use a
6864 temporary variable of pointer type if an lvalues is required.
6865 (gimplify_modify_expr_rhs): Request an rvalue from it.
6866 (gimplify_expr): Pass fallback on.
6867
6868 2005-03-14 Kazu Hirata <kazu@cs.umass.edu>
6869
6870 * cfgbuild.c: Update comments.
6871
6872 2005-03-14 Roger Sayle <roger@eyesopen.com>
6873
6874 PR rtl-optimization/17236
6875 * optabs.c (expand_doubleword_mult): New helper function split out
6876 from expand_binop. Permute the order in which instructions are
6877 emitted to minimize the number of simultaneously live registers.
6878 (expand_binop): Call expand_doubleword_mult to synthesize a double
6879 word multiplication.
6880
6881 2005-03-14 Kazu Hirata <kazu@cs.umass.edu>
6882
6883 * basic-block.h: Update the prototypes of cached_make_edge and
6884 rtl_make_eh_edge.
6885 * cfg.c (cached_make_edge): Take edge_cache representing one
6886 row of the adjacency matrix of edges.
6887 * cfgbuild.c (make_label_edge, rtl_make_eh_edge): Likewise.
6888 (make_edges): Initialize edge_cache to represent one row of
6889 the adjacency matrix of edges.
6890
6891 2005-03-14 Zdenek Dvorak <dvorakz@suse.cz>
6892
6893 * tree-ssa-phiopt.c (minmax_replacement, blocks_in_phiopt_order):
6894 New functions.
6895 (tree_ssa_phiopt): Use blocks_in_phiopt_order and minmax_replacement.
6896 Remove unused removed_phis variable.
6897 (conditional_replacement): Use build1/build2.
6898 (abs_replacement): Use last_and_only_stmt and build1/build2.
6899
6900 2005-03-14 Zdenek Dvorak <dvorakz@suse.cz>
6901
6902 * builtin-attrs.def (ATTR_NOVOPS, ATTR_NOVOPS_LIST,
6903 ATTR_PURE_NOTHROW_NOVOPS_LIST): New.
6904 * builtins.def (ATTR_MATHFN_FPROUNDING): Use NOVOPS.
6905 (BUILT_IN_PREFETCH): Set the NOVOPS attribute.
6906 * c-common.c (handle_novops_attribute): New function.
6907 (c_common_attribute_table): Add "no vops" entry.
6908 * c-decl.c (merge_decls): Copy DECL_IS_NOVOPS.
6909 * calls.c (flags_from_decl_or_type): Set ECF_NOVOPS.
6910 * tree-ssa-operands.c (get_call_expr_operands): Do not
6911 create virtual operands for calls with ECF_NOVOPS flag.
6912 * tree.h (DECL_IS_NOVOPS): New macro.
6913 (struct tree_decl): Add novops_flag.
6914 (ECF_NOVOPS): New constant.
6915
6916 2005-03-14 Uros Bizjak <uros@kss-loka.si>
6917
6918 PR target/17688
6919 * config/i386/i386.c (x86_use_himode_fiop): New.
6920 (x86_use_simode_fiop): Rename from x86_use_fiop.
6921 * config/i386/i386.h (x86_use_himode_fiop): Declare.
6922 (TARGET_USE_HIMODE_FIOP): New.
6923 (x86_use_simode_fiop): Rename from x86_use_fiop.
6924 (TARGET_USE_SIMODE_FIOP): Rename from TARGET_USE_FIOP.
6925
6926 * config/i386/i386.md (X87MODEI12): New mode macro define.
6927 (*cmpfp_<mode>): Rename from *cmpfp_si. Use X87MODEI12 mode macro
6928 to implement x87 FP compare with HImode input operands.
6929 (*fp_jcc_8<mode>_387, splitter): Rename from *fp_jcc_8_387.
6930 Use X87MODEI12 mode macro to handle HImode input operands.
6931 (*fop_sf_2<mode>_i387, *fop_sf_3<mode>_i387, *fop_df_2<mode>_i387,
6932 *fop_df_3<mode>_i387, *fop_xf_2<mode>_i387, *fop_xf_3<mode>_i387):
6933 Renamed from *fop_sf_2_i387, *fop_sf_3_i387, *fop_df_2_i387,
6934 *fop_df_3_i387, *fop_xf_2_i387, *fop_xf_3_i387. Use X87MODEI12 mode
6935 macro to implement x87 operators with HImode input operands.
6936 (fop splitters): Use X87MODEI12 mode macro to handle HImode
6937 input operands.
6938
6939 2005-03-14 Zdenek Dvorak <dvorakz@suse.cz>
6940
6941 * tree-cfg.c (find_taken_edge_cond_expr): Use zero_p instead of
6942 integer_zerop.
6943 * tree-gimple.c (is_gimple_min_invariant): Consider overflowed
6944 constants invariant.
6945
6946 2005-03-14 Zdenek Dvorak <dvorakz@suse.cz>
6947
6948 * basic-block.h (BB_VISITED): Removed.
6949 * cfganal.c (dfs_enumerate_from): Do not use BB_VISITED flag.
6950
6951 2005-03-14 Falk Hueffner <falk@debian.org>
6952
6953 PR bootstrap/20424
6954 * config/alpha/alpha.c (alpha_fold_builtin_cmpbge): Fix typo.
6955
6956 2005-03-14 Kazu Hirata <kazu@cs.umass.edu>
6957
6958 * ggc-zone.c: Fix comment typos.
6959
6960 * alloc-pool.c, except.h, ggc-common.c, ggc-zone.c, ggc.h,
6961 stringpool.c, config/mips/mips-protos.h: Update copyright.
6962
6963 2005-03-14 Alan Modra <amodra@bigpond.net.au>
6964
6965 * config/rs6000/rs6000-protos.h: Replace "struct rtx_def *"
6966 throughout with its typedef, "rtx".
6967 * config/rs6000/rs6000.c: Likewise. Formatting fixes.
6968 (rs6000_tls_symbol_ref_1): Remove inline keyword.
6969 * config/rs6000/rs6000.h (REG_ALLOC_ORDER): Formatting. Reorder
6970 regs in comment to match code.
6971
6972 2005-03-14 Kazu Hirata <kazu@cs.umass.edu>
6973
6974 * except.c (check_handled): Make it static.
6975 * except.h: Remove the corresponding prototype.
6976
6977 * function.c (get_func_frame_size): Make it static.
6978 * function.h: Remove the corresponding type.
6979
6980 * regclass.c (reg_class_superclasses, reg_class_subclasses):
6981 Make them static.
6982 * hard-reg-set.h: Remove the corresponding declarations.
6983
6984 * tree-cfg.c (verify_stmts): Check that
6985 bb_for_stmt (stmt) == bb for every PHI node and statement.
6986
6987 2005-03-14 Alan Modra <amodra@bigpond.net.au>
6988
6989 * config.gcc: Remove excess indentation.
6990 (powerpc*-*-*, rs6000-*-*): Accept --with-cpu/tune power5 and 8548.
6991
6992 2005-03-13 Roger Sayle <roger@eyesopen.com>
6993
6994 PR middle-end/19331
6995 * tree.c (get_unwidened): Treat CONVERT_EXPR and NOP_EXPR identically.
6996 * fold-const.c (fold_sign_changed_comparison): Likewise.
6997 (fold_binary): Optimize comparisons against widened operands if
6998 the extension is represented by a CONVERT_EXPR, same as a NOP_EXPR.
6999
7000 2005-03-13 Eric Botcazou <ebotcazou@libertysurf.fr>
7001
7002 * config/sparc/sparc.c (struct_value_alias_set): New global variable.
7003 (sparc_override_options): Initialize it.
7004 (sparc_struct_value_rtx): Set it on the MEM to be returned.
7005
7006 2005-03-13 David Edelsohn <edelsohn@gnu.org>
7007
7008 * config/rs6000/predicates.md (mem_or_easy_const_operand): Delete.
7009 (reg_or_none500mem_operand): New predicate.
7010 (zero_reg_mem_operand): New predicate.
7011 * config/rs6000/rs6000.md (extendsfdf2): Change operand1 predicate
7012 to reg_or_none500mem_operand.
7013 (extendsfdf2_fpr): Add MEM alternative.
7014 (extenddftf2_internal): Change operand2 predicate to
7015 zero_reg_mem_operand.
7016
7017 2005-03-13 Daniel Jacobowitz <dan@codesourcery.com>
7018
7019 * ggc-zone.c: Rewritten.
7020
7021 * alloc-pool.c (dump_alloc_pool_statistics): Don't print statistics
7022 if there are none.
7023 * configure.ac: Define GGC_ZONE for --with-gc=zone.
7024 * config.in: Regenerated.
7025 * configure: Regenerated.
7026 * gengtype.c (write_types_process_field, write_func_for_structure):
7027 Pass new argument to gt_pch_note_object.
7028 * ggc-common.c (struct ptr_data): Add TYPE.
7029 (gt_pch_note_object): Take TYPE argument and save it.
7030 (call_count): Update call to ggc_pch_count_object.
7031 (call_alloc): Update call to ggc_pch_alloc_object.
7032 (gt_pch_save): Call ggc_pch_prepare_write after paddng the PCH
7033 file.
7034 * ggc-none.c (rtl_zone, garbage_zone, ggc_alloc_zone_stat): Delete.
7035 * ggc-page.c (rtl_zone, tree_zone, garbage_zone)
7036 (ggc_alloc_zone_stat): Delete.
7037 (ggc_pch_count_object, ggc_pch_alloc_object): Add TYPE argument.
7038 * ggc.h (gt_pch_note_object, ggc_pch_count_object)
7039 (ggc_pch_alloc_object): Update prototypes.
7040 (garbage_zone): Delete.
7041 (tree_zone, rtl_zone, ggc_alloc_zone_stat, ggc_alloc_zone): Move to
7042 GGC_ZONE conditional. Update. Change tree_zone and rtl_zone into
7043 pointers.
7044 (tree_id_zone): New variable.
7045 (ggc_alloc_cleared_zone): Remove unused.
7046 (ggc_alloc_zone): Define.
7047 (ggc_alloc_rtvec, ggc_alloc_tree): Update to use ggc_alloc_zone.
7048 * rtl.c (rtx_alloc_stat, shallow_copy_rtx_stat): Use
7049 ggc_alloc_zone_stat.
7050 * stringpool.c (gt_pch_n_S): Update call to gt_pch_note_object.
7051 * tree.c (copy_node_stat, make_tree_binfo_stat, make_tree_vec_stat)
7052 (tree_cons_stat, build1_stat): Update call to ggc_alloc_zone_stat.
7053 (make_node_stat): Likewise. Use tree_id_zone.
7054
7055 2005-03-13 Daniel Jacobowitz <dan@codesourcery.com>
7056 Joseph S. Myers <joseph@codesourcery.com>
7057
7058 * configure.ac: Check for MIPS TLS.
7059 * configure: Regenerated.
7060 * config/mips/mips-protos.h (enum mips_symbol_type): Add
7061 SYMBOL_TLS, SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL,
7062 SYMBOL_GOTTPREL, and SYMBOL_TPREL.
7063 * config/mips/mips.c (mips_regno_to_class): Handle V1_REG.
7064 (TARGET_HAVE_TLS, TARGET_CANNOT_FORCE_CONST_MEM): Define.
7065 (mips_classify_symbol, mips_symbolic_constant_p)
7066 (mips_symbolic_address_p, mips_symbol_insns): Handle TLS symbols.
7067 (mips_tls_operand_p, mips_call_tls_get_addr)
7068 (mips_legitimize_tls_address, mips_cannot_force_const_mem)
7069 (mips_tls_symbol_ref_1): New functions.
7070 (mips_legitimize_address, mips_legitimize_const_move): Call
7071 mips_legitimize_tls_address.
7072 (override_options): Handle V1_REG and TLS symbols. Disable TLS
7073 for MIPS16.
7074 * config/mips/mips.h (enum reg_class, REG_CLASS_NAMES)
7075 (REG_CLASS_CONTENTS, GR_REG_CLASS_P): Include V1_REG.
7076 (mips_char_to_class): Document V1_REG.
7077 (HAVE_AS_TLS): Provide default.
7078 * config/mips/mips.md (UNSPEC_TLS_LDM, UNSPEC_TLS_GET_TP): New
7079 constants.
7080 (load_got<mode>): Renamed from *load_got<mode>. Allow when
7081 !TARGET_ABICALLS.
7082 (tls_get_tp_<mode>): New instruction.
7083
7084 2005-03-13 Daniel Jacobowitz <dan@codesourcery.com>
7085
7086 * configure.ac: Update checks for target tools.
7087 * configure: Regenerated.
7088
7089 2005-03-13 Daniel Jacobowitz <dan@codesourcery.com>
7090
7091 * varasm.c (decl_tls_model): Check flag_shlib instead of flag_pic.
7092
7093 2005-03-13 Roger Sayle <roger@eyesopen.com>
7094
7095 * expmed.c (expand_mult): Use synthetic multiplication sequences for
7096 more classes of DImode multiplication by constant. Allow both
7097 multiplication by small negative constants (by performing a
7098 multiplication by a positive constant and negating the result) and
7099 multiplications by large powers of two, by using a left shift.
7100
7101 2005-03-13 Kazu Hirata <kazu@cs.umass.edu>
7102
7103 * tree-into-ssa.c (find_idf): Speed up by putting the indexes
7104 of basic blocks into work_stack.
7105
7106 * builtin-attrs.def, c-lex.c, c-pragma.h, reg-stack.c,
7107 config/mips/vr.h: Update copyright.
7108
7109 * c-decl.c (c_init_decl_processing): Remove useless calls to
7110 build_function_type.
7111
7112 * builtins.c (fold_trunc_transparent_mathfn,
7113 fold_fixed_mathfn, fold_builtin_atan, fold_builtin_trunc,
7114 fold_builtin_floor, fold_builtin_ceil, fold_builtin_round,
7115 fold_builtin_lround, fold_builtin_bitop, fold_builtin_memcpy,
7116 fold_builtin_strcpy, fold_builtin_strncpy,
7117 fold_builtin_signbit): Use TYPE (TYPE (fndecl)) instead of
7118 TREE_TYPE (exp).
7119
7120 * builtins.c (expand_builtin_mathfn_3): Remove local variable
7121 before_call.
7122
7123 * lambda-code.c (lambda_compute_auxillary_space): Remove local
7124 variable determinant.
7125
7126 * tree-cfg.c (group_case_labels): Remove local variable type.
7127
7128 * tree-ssa-live.c (build_tree_conflict_graph): Remove local
7129 variable ann.
7130
7131 * tree-ssa-phiopt.c (value_replacement): Remove local variable
7132 result.
7133
7134 2005-03-13 Andy Hutchinson <HutchinsonAndy@netscape.net>
7135
7136 PR target/18251
7137 * config/avr/avr.md (movmemhi): Rewrite as RTL loop.
7138 (*movmemqi_insn): Delete.
7139 (*movmemhi): Delete.
7140
7141 2005-03-13 Kazu Hirata <kazu@cs.umass.edu>
7142
7143 * builtins.c (fold_builtin_classify): Take decomposed
7144 arguments of CALL_EXPR.
7145 (fold_builtin_1): Update a call to fold_builtin_classify.
7146
7147 2005-03-13 Joseph S. Myers <joseph@codesourcery.com>
7148
7149 PR c/20402
7150 * c-parser.c (c_parser_struct_or_union_specifier): Don't fall
7151 through into call to parser_xref_tag after parse error.
7152 (c_parser_struct_declaration): Consistently return NULL_TREE on
7153 error.
7154
7155 2005-03-12 Daniel Berlin <dberlin@dberlin.org>
7156
7157 * tree-flow-inline.h (ref_contains_array_ref): New function.
7158 (lookup_subvars_for_var): Ditto.
7159 (get_subvars_for_var): Ditto.
7160 (var_can_have_subvars): Ditto.
7161
7162 * tree-flow.h (mem_tag_kind): Add STRUCT_FIELD.
7163 (struct subvar): New type.
7164
7165 * tree-dfa.c (okay_component_ref_for_subvars): New function.
7166
7167 * tree-optimize.c (init_tree_optimization_passes): Call
7168 pass_create_structure_vars.
7169
7170 * tree-ssa-alias.c: Include vec.h.
7171 (init_alias_info): Don't auto-clear call clobbered on struct-field
7172 tags.
7173 (compute_flow_insensitive_aliasing): Handle subvars.
7174 (group_aliases): Handle STRUCT_FIELD aliases.
7175 (setup_pointers_and_addressables): Ditto.
7176 Don't mark variables non-addressable if they still have
7177 addressable subvars.
7178 Also mark subvars addressable when the real variable is marked
7179 addressable.
7180 (add_pointed_to_var): Try to prune the pointed-to set by only
7181 pointing to subvars when possible.
7182 Otherwise, make sure we set addresses_needed and pt_vars to
7183 properly include subvars.
7184 (bitpos_of_field): New function.
7185 (push_fields_onto_fieldstack): Ditto.
7186 (get_or_create_used_part_for): Ditto.
7187 (create_overlap_variables_for): Ditto.
7188 (find_used_portions): Ditto.
7189 (create_structure_vars): Ditto.
7190 (pass_create_structure_vars): New structure.
7191
7192 * tree-ssa-operands.c (finalize_ssa_v_must_defs): Remove assert.
7193 (get_expr_operands): Handle subvars. Also try to turn
7194 COMPONENT_REF accesses into must-defs now that we can accurately
7195 portray it.
7196 (note_addressable): Try to only mark as addressable those subvars
7197 we know a COMPONENT_REF touches.
7198 (overlap_subvar): New function.
7199
7200 * tree-vect-analyze.c (vect_object_analysis): Add new parameter.
7201 Handle subvar storing.
7202 (vect_address_analysis): Update caller of vect_object_analysis.
7203
7204 * tree-vect-transform.c (vect_create_data_ref_ptr): Copy subvars.
7205
7206 * tree-vectorizer.h (struct _stmt_vec_info): Add subvars member.
7207 (STMT_VINFO_SUBVARS): New macro.
7208
7209 * common.opts: add flag_tree_salias.
7210
7211 * opts.c (decode_options): flag_tree_salias defaults to on.
7212
7213 * doc/invoke.texi: Document fdump-tree-svars and -ftree-salias.
7214
7215 * doc/tree-ssa.texi: Document structural alias analysis.
7216
7217 2005-03-12 Steven Bosscher <stevenb@suse.de>
7218
7219 * tree-cfg.c (make_goto_expr_edges): Don't use error_mark_node.
7220 * tree-ssa-dce.c (mark_stmt_necessary): Don't check for it.
7221 * tree-ssa-operands.c (get_expr_operands): Likewise.
7222 (get_expr_operands): Likewise for ERROR_MARK.
7223
7224 2005-03-12 Kazu Hirata <kazu@cs.umass.edu>
7225
7226 * tree-ssa.c (kill_redundant_phi_nodes): Remove local variable
7227 var.
7228
7229 * tree-ssa-phiopt.c (tree_ssa_phiopt): Remove local variable
7230 removed_phis.
7231
7232 * tree-ssa-pre.c (compute_avail): Remove local variable val.
7233 (mark_operand_necessary): Remove local variable ver.
7234
7235 * tree-vect-transform.c (vect_get_new_vect_var): Remove local
7236 variable prefix_len.
7237
7238 * value-prof.c (mod_subtract_transform): Remove local variable
7239 value.
7240
7241 * builtins.c (fold_builtin_exponent): Take decomposed
7242 arguments of CALL_EXPR.
7243 (fold_builtin_1): Update a call to fold_builtin_exponent.
7244
7245 * builtins.c (fold_builtin_logarithm): Take decomposed
7246 arguments of CALL_EXPR.
7247 (fold_builtin_1): Update a call to fold_builtin_logarithm.
7248
7249 * c-decl.c (c_init_decl_processing): Remove local variables
7250 ptr_ftype_void and ptr_ftype_ptr.
7251
7252 * gimplify.c (gimplify_expr): Remove local variables r0 and
7253 r1.
7254
7255 * reg-stack.c (move_for_stack_reg): Remove local variable
7256 push_insn.
7257 (compare_for_stack_reg): Remove local variable flags_user.
7258 (convert_regs_1): Remove local variable deleted.
7259
7260 * tree-if-conv.c (tree_if_convert_cond_expr): Remove local
7261 variable new_cond.
7262 (combine_blocks): Remove local variables exits and new_e.
7263
7264 * tree-inline.c (expand_call_inline): Remove local variable
7265 decl.
7266
7267 * tree-ssa-live.c (create_ssa_var_map,
7268 calculate_live_on_entry): Remove local variable snn.
7269
7270 2005-03-12 Geoffrey Keating <geoffk@apple.com>
7271
7272 * c-lex.c (c_lex_with_flags): Add parameter to call to
7273 cpp_spell_token.
7274
7275 2005-03-11 Per Bothner <per@bothner.com>
7276
7277 * c-tree.h (struct c_declarator): New id_loc field.
7278 * c-pragma.h (c_lex_with_flags): Take position reference.
7279 * c-lex.c (c_lex_with_flags): Set passed-in location from cpp token,
7280 iff USE_MAPPED_LOCATION. (Type doesn't match otherwise.)
7281 (c_lex): Pass dummy location to c_lex_with_flags.
7282 * c-parser.c (c_lex_one_token): Set c_token's location using
7283 c_lex_with_flags, instead of input_location, which might be "ahead".
7284 (c_parser_direct_declarator): Set declarator's id_loc from
7285 c_token's id_loc.
7286 * c-decl.c (grokdeclarator): Set DECL_SOURCE_LOCATION from
7287 declarator's id_loc, rather than probably-imprecise input_location.
7288 (build_id_declarator): Initialize c_declarator's id_loc field.
7289
7290 2005-03-11 Roger Sayle <roger@eyesopen.com>
7291
7292 PR middle-end/20419
7293 * builtins.c (expand_builtin_signbit): Force the signbit's word
7294 into an integer register to avoid SUBREGs of floating point modes.
7295
7296 2005-03-12 Kazu Hirata <kazu@cs.umass.edu>
7297
7298 * cfglayout.c, loop-doloop.c, profile.c, target-def.h,
7299 target.h, targhooks.c, tracer.c, tree-ssa-loop-ch.c,
7300 tree-ssa-loop-unswitch.c, tree-ssa-loop.c, vec.c, vmsdbgout.c,
7301 config/m32r/m32r.md, config/xtensa/xtensa.h: Update copyright.
7302
7303 2005-03-11 David Edelsohn <edelsohn@gnu.org>
7304
7305 PR rtl-optimization/20306
7306 * expr.c (emit_move_complex): Set try_int false if mode is
7307 MODE_COMPLEX_FLOAT and mov_optab exists for inner mode. Only try
7308 emit_block_move if try_int is true.
7309
7310 2005-03-11 Richard Henderson <rth@redhat.com>
7311
7312 PR target/20415
7313 * config/i386/mmx.md (vec_dupv4hi): Fix predicate.
7314 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Update
7315 to match.
7316
7317 2005-03-11 Richard Sandiford <rsandifo@redhat.com>
7318
7319 * config/mips/mips.h (mips_fix_vr4130_string): Declare.
7320 (TARGET_FIX_VR4130): New macro.
7321 (TARGET_OPTIONS): Add -mfix-vr4130.
7322 (ISA_HAS_MACCHI): New macro.
7323 (ASM_SPEC): Add -mfix-vr4130.
7324 * config/mips/mips.c (mips_fix_vr4130_string): New variable.
7325 (override_options): Handle mips_fix_vr4130_string.
7326 (mips_avoid_hazards): Clear all_noreorder_p
7327 if we're working around VR4130 errata and the macc alternatives
7328 are not available.
7329 * config/mips/mips.md (mfhilo_<mode>): Turn into a define_expand.
7330 (*mfhilo_<mode>, *mfhilo_<mode>_macc): New insns.
7331 * config/mips/vr.h (DEFAULT_VR_ARCH): Set to mfix-vr4130.
7332 (MULTILIB_DEFAULTS): Remove leading "march=".
7333 (DRIVER_SELF_SPECS): Likewise. Make -mfix-vr4130 imply -march=vr4130
7334 if no architecture option is given.
7335 * config/mips/t-vr (MULTILIB_OPTIONS): Use -mfix-vr4130 for the
7336 VR4130 multilibs.
7337 (MULTILIB_MATCHES): Map -march=vr4130 to the -mfix-vr4130 multilibs.
7338 * doc/invoke.texi: Document -mfix-vr4130.
7339
7340 2005-03-11 Richard Sandiford <rsandifo@redhat.com>
7341
7342 * config/mips/mips.c (override_options): Only warn about -mint64
7343 deprecation if TARGET_INT64.
7344
7345 2005-03-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7346
7347 * builtin-attrs.def (ATTR_NONNULL_LIST, ATTR_NOTHROW_NONNULL,
7348 ATTR_CONST_NOTHROW_NONNULL, ATTR_PURE_NOTHROW_NONNULL,
7349 ATTR_MALLOC_NOTHROW_NONNULL): New "nonnull" attribute lists which
7350 are non-specific regarding the nonnull parameter positions.
7351 (ATTR_NONNULL_1_2, ATTR_NONNULL_1_4, ATTR_NOTHROW_NONNULL_1_2,
7352 ATTR_NOTHROW_NONNULL_1_4, ATTR_CONST_NOTHROW_NONNULL_1,
7353 ATTR_PURE_NOTHROW_NONNULL_1, ATTR_PURE_NOTHROW_NONNULL_1_2,
7354 ATTR_MALLOC_NOTHROW_NONNULL_1): Delete.
7355
7356 * builtins.def: Use the non-specific "nonnull" attibute lists.
7357
7358 2005-03-11 Zdenek Dvorak <dvorakz@suse.cz>
7359
7360 * basic-block.h (single_succ_p, single_pred_p, single_succ_edge,
7361 single_pred_edge, single_succ, single_pred): Improve comments.
7362
7363 2005-03-11 Zdenek Dvorak <dvorakz@suse.cz>
7364
7365 * basic-block.h (single_succ_p, single_pred_p, single_succ_edge,
7366 single_pred_edge, single_succ, single_pred): New inline functions.
7367 * bb-reorder.c (rotate_loop, find_traces_1_round,
7368 add_labels_and_missing_jumps, fix_up_fall_thru_edges,
7369 duplicate_computed_gotos): Use the single_succ/pred functions.
7370 * cfganal.c (forwarder_block_p): Ditto.
7371 * cfgbuild.c (compute_outgoing_frequencies): Ditto.
7372 * cfgcleanup.c (try_simplify_condjump, try_forward_edges,
7373 outgoing_edges_match, try_crossjump_to_edge, try_optimize_cfg,
7374 merge_seq_blocks): Ditto.
7375 * cfghooks.c (split_edge, tidy_fallthru_edges): Ditto.
7376 * cfglayout.c (fixup_reorder_chain): Ditto.
7377 * cfgloop.c (mark_single_exit_loops, update_latch_info,
7378 canonicalize_loop_headers, verify_loop_structure): Ditto.
7379 * cfgloopmanip.c (remove_path, unloop, loop_delete_branch_edge,
7380 mfb_update_loops, create_preheader, force_single_succ_latches,
7381 create_loop_notes): Ditto.
7382 * cfgrtl.c (rtl_can_merge_blocks, try_redirect_by_replacing_jump,
7383 force_nonfallthru_and_redirect, rtl_tidy_fallthru_edge,
7384 commit_one_edge_insertion, purge_dead_edges,
7385 cfg_layout_can_merge_blocks_p): Ditto.
7386 * except.c (sjlj_emit_function_enter): Ditto.
7387 * flow.c (init_propagate_block_info): Ditto.
7388 * function.c (thread_prologue_and_epilogue_insns): Ditto.
7389 * gcse.c (find_implicit_sets, bypass_conditional_jumps,
7390 insert_insn_end_bb): Ditto.
7391 * ifcvt.c (merge_if_block, find_if_block, find_if_case_1,
7392 find_if_case_2): Ditto.
7393 * lambda-code.c (perfect_nestify): Ditto.
7394 * lcm.c (optimize_mode_switching): Ditto.
7395 * loop-doloop.c (doloop_modify): Ditto.
7396 * loop-init.c (loop_optimizer_init): Ditto.
7397 * loop-iv.c (simplify_using_initial_values): Ditto.
7398 * loop-unroll.c (unroll_loop_runtime_iterations): Ditto.
7399 * loop-unswitch.c (unswitch_loop): Ditto.
7400 * modulo-sched.c (generate_prolog_epilog): Ditto.
7401 * predict.c (combine_predictions_for_insn, estimate_probability,
7402 tree_estimate_probability, last_basic_block_p,
7403 estimate_bb_frequencies): Ditto.
7404 * profile.c (branch_prob): Ditto.
7405 * regrename.c (copyprop_hardreg_forward): Ditto.
7406 * sched-rgn.c (is_cfg_nonregular, find_rgns, update_live): Ditto.
7407 * tracer.c (layout_superblocks): Ditto.
7408 * tree-cfg.c (tree_can_merge_blocks_p, tree_merge_blocks,
7409 cfg_remove_useless_stmts_bb, cleanup_control_flow,
7410 cleanup_control_expr_graph, disband_implicit_edges,
7411 tree_find_edge_insert_loc, bsi_commit_edge_inserts,
7412 tree_verify_flow_info, tree_make_forwarder_block,
7413 tree_forwarder_block_p, remove_forwarder_block,
7414 remove_forwarder_block_with_phi, merge_phi_nodes): Ditto.
7415 * tree-if-conv.c (tree_if_conversion): Ditto.
7416 * tree-mudflap.c (mf_build_check_statement_for): Ditto.
7417 * tree-ssa-dce.c (remove_dead_stmt): Ditto.
7418 * tree-ssa-dom.c (dom_opt_finalize_block): Ditto.
7419 * tree-ssa-loop-ch.c (should_duplicate_loop_header_p,
7420 copy_loop_headers): Ditto.
7421 * tree-ssa-loop-im.c (loop_commit_inserts): Ditto.
7422 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Ditto.
7423 * tree-ssa-loop-manip.c (split_loop_exit_edge, ip_normal_pos,
7424 lv_adjust_loop_entry_edge, tree_ssa_loop_version): Ditto.
7425 * tree-ssa-loop-niter.c (simplify_using_initial_conditions): Ditto.
7426 * tree-ssa-loop-unswitch.c (simplify_using_entry_checks): Ditto.
7427 * tree-ssa-phiopt.c (tree_ssa_phiopt, value_replacement): Ditto.
7428 * tree-ssa-pre.c (compute_antic_aux, insert_aux, init_pre): Ditto.
7429 * tree-ssa-threadupdate.c (redirect_edges): Ditto.
7430 * tree-tailcall.c (independent_of_stmt_p, find_tail_calls,
7431 eliminate_tail_call, tree_optimize_tail_calls_1): Ditto.
7432 * tree-vect-analyze.c (vect_analyze_loop_form): Ditto.
7433 * tree-vect-transform.c (vect_update_ivs_after_vectorizer): Ditto.
7434 * tree-vectorizer.c (slpeel_update_phi_nodes_for_guard,
7435 slpeel_add_loop_guard): Ditto.
7436
7437 2005-03-11 James A. Morrison <phython@gcc.gnu.org>
7438
7439 PR tree-optimization/15784
7440 * fold-const.c (fold): Fold ~A + 1 to -A. Fold -A - 1
7441 and -1 - A to ~A.
7442
7443 * stmt.c (expand_case): Don't change index_type. Convert minval
7444 to the proper type.
7445
7446 PR tree-optimization/20130
7447 * fold-const.c (fold): Fold x * -1 into -x.
7448
7449 2005-03-11 Kaz Kojima <kkojima@gcc.gnu.org>
7450
7451 PR rtl-optimization/20331
7452 * rtlanal.c (modified_between_p): Check its address first for MEM.
7453 (modified_in_p): Likewise.
7454
7455 2005-03-11 Joseph S. Myers <joseph@codesourcery.com>
7456
7457 * config.gcc (hppa*64*-*-hpux11*): Use pa/t-hpux-shlib.
7458
7459 2005-03-10 Steven Bosscher <stevenb@suse.de>
7460
7461 * expr.c (expand_expr_real_1): If possible, use a conditional
7462 move for expanding MIN_EXPR and MAX_EXPR.
7463 Use temp for moving around rtx-en.
7464
7465 2005-03-10 Andrew Pinski <pinskia@physics.uc.edu>
7466
7467 PR rtl-opt/20412
7468 * simplify-rtx.c (simplify_relational_operation_1): Fix typo - check the
7469 correct mode.
7470
7471 2005-03-10 Roger Sayle <roger@eyesopen.com>
7472
7473 * builtins.c (expand_builtin_signbit): Extend to handle floating
7474 point modes wider than the largest integer type, using the
7475 operand_subword_force function to obtain the signbit's word.
7476
7477 2005-03-10 Jakub Jelinek <jakub@redhat.com>
7478
7479 PR target/20322
7480 * combine.c (try_combine): If recog_for_combine added CLOBBERs
7481 to NEWI2PAT, fail to combine if they are used by NEWPAT.
7482
7483 2005-03-10 Aldy Hernandez <aldyh@redhat.com>
7484
7485 * doc/invoke.texi: Add 8540 to list of cpus in rs6000 cpu section.
7486
7487 2005-03-10 Kazu Hirata <kazu@cs.umass.edu>
7488
7489 * tree-outof-ssa.c (analyze_edges_for_bb): Make the return
7490 type void.
7491 (perform_edge_inserts): Unconditionally call
7492 free_dominator_info.
7493
7494 * tree-outof-ssa.c (analyze_edges_for_bb): Update a comment.
7495
7496 2005-03-10 Bob Wilson <bob.wilson@acm.org>
7497
7498 * config/xtensa/xtensa.h (MEMBER_TYPE_FORCES_BLK): Define.
7499
7500 2005-03-10 Nathan Sidwell <nathan@codesourcery.com>
7501
7502 * bitmap.c (bitmap_copy): Remove manual loop unrolling.
7503
7504 * value-prof.c (rtl_find_values_to_profile): Use gcc_assert and
7505 gcc_unreachable.
7506 (rtl_register_value_prof_hooks,
7507 tree_value_profile_transformations,
7508 tree_register_value_prof_hooks): Likewise.
7509 * var-tracking.c (stack_adjust_offset_pre_post,
7510 variable_htab_free, variable_union, dataflow_set_different_2,
7511 count_uses, variable_was_changed, set_frame_base_location,
7512 set_variable_part, emit_note_insn_var_location, vt_emit_notes,
7513 vt_add_function_parameters): Likewise.
7514 * varasm.c (named_section_real, named_section, make_decl_rtl,
7515 asm_emit_uninitialised, assemble_integer, decode_addr_const,
7516 const_hash_1, compare_constant, copy_constant, force_const_mem,
7517 output_constant_pool_2, output_constant_pool_1, output_constant,
7518 output_constructor, make_decl_one_only, decl_tls_model,
7519 default_no_named_section, default_elf_select_section_1,
7520 default_unique_section_1): Likewise.
7521 * vec.c (vec_gc_o_reserve, vec_heap_o_reserve): Likewise.
7522 * vmsdbgout.c (addr_const_to_string): Likewise.
7523
7524 PR c++/20375
7525 * function.c (struct assign_parm_data_one): Remove last_named
7526 field.
7527 (assign_parm_find_data_types): Don't determine last_named.
7528 Reorder named_parm determination.
7529 (assign_parms): Only setup varargs on the last non-varadic
7530 parameter.
7531
7532 2005-03-10 Kazuhiro Inaoka <inaoka.lazuhiro@renesas.com>
7533
7534 * config/m32r/m32r.md (load_sda_base_32): New pattern. Loads
7535 sda base address on medium model.
7536
7537 2005-03-10 Zdenek Dvorak <dvorakz@suse.cz>
7538
7539 * Makefile.in (tree-optimize.o): Add CFGLOOP_H dependence.
7540 * cfgloop.c (flow_loop_nodes_find): Export.
7541 * cfgloop.h (flow_loop_nodes_find, fix_loop_structure):
7542 Declare.
7543 * cfgloopmanip.c (fix_loop_structure): New function.
7544 * predict.c (predict_loops): Clean up the loops information.
7545 * tree-cfg.c (cleanup_tree_cfg_loop): New function.
7546 (tree_can_merge_blocks_p, remove_bb, tree_forwarder_block_p): Respect
7547 loop structure.
7548 * tree-flow.h (cleanup_tree_cfg_loop): Declare.
7549 (rewrite_into_loop_closed_ssa): Declaration changed.
7550 * tree-loop-linear.c (linear_transform_loops): Add argument to
7551 rewrite_into_loop_closed_ssa call.
7552 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
7553 * tree-ssa-loop-im.c (move_computations): Ditto.
7554 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
7555 * tree-vectorizer.c (vectorize_loops): Ditto.
7556 * tree-optimize.c: Include cfgloop.h.
7557 (execute_todo): Choose whether to call cleanup_tree_cfg or
7558 cleanup_tree_cfg_loop.
7559 * tree-ssa-loop-ivcanon.c (canonicalize_loop_induction_variables,
7560 (tree_unroll_loops_completely): Enable cleanup_tree_cfg_loop call.
7561 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Enable
7562 cleanup_tree_cfg_loop call.
7563 * tree-ssa-loop-manip.c (find_uses_to_rename_bb): New function.
7564 (find_uses_to_rename, rewrite_into_loop_closed_ssa): Support
7565 work on part of cfg.
7566
7567 2005-03-10 Jakub Jelinek <jakub@redhat.com>
7568
7569 PR inline-asm/20314
7570 * gimplify.c (gimplify_asm_expr): Handle input/output constraints
7571 with multiple alternatives.
7572
7573 * stmt.c (parse_output_constraint): Fix a typo.
7574
7575 2005-03-09 Bob Wilson <bob.wilson@acm.org>
7576
7577 * config/xtensa/xtensa.h (TRAMPOLINE_TEMPLATE): Use "no-transform"
7578 assembly directive instead of deprecated "no-generics".
7579
7580 2005-03-09 Ulrich Weigand <uweigand@de.ibm.com>
7581
7582 * config/s390/s390.c (s390_secondary_output_reload_class): Adapt check
7583 for non-offsettable memory references to cope with outstanding reload
7584 replacements.
7585 * config/s390/s390.md ("reload_outti"): Call find_replacement to
7586 avoid losing outstanding address reloads.
7587 ("reload_outdi", "reload_outdf"): Likewise.
7588
7589 2005-03-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7590
7591 * builtins.c (fold_builtin_cbrt, fold_builtin_pow): Rearrange
7592 code. Add more cbrt transformations.
7593
7594 2005-03-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7595
7596 * fold-const.c (fold_unary_to_constant): Add FIX_ROUND_EXPR case.
7597
7598 2005-03-09 Kazu Hirata <kazu@cs.umass.edu>
7599
7600 * fold-const.c (fold_unary, fold_binary, fold_ternary): Return
7601 NULL_TREE when a given tree is not simplified.
7602 (fold): Return the original tree when any of the functions
7603 mentioned above NULL_TREE.
7604
7605 * fold-const.c (fold_unary, fold_binary): Take decomposed
7606 arguments, code, type, op0, and op1 in case of fold_binary.
7607 (fold): Update calls to fold_unary and fold_binary.
7608
7609 2005-03-09 Roger Sayle <roger@eyesopen.com>
7610
7611 * builtins.c (fold_builtin_unordered_cmp): Change prototype to take
7612 a fndecl and an arglist instead of a CALL_EXPR, exp.
7613
7614 2005-03-09 Kazu Hirata <kazu@cs.umass.edu>
7615
7616 * cfglayout.c (fixup_reorder_chain): Remove old_bb.
7617
7618 * cfgrtl.c (cfg_layout_merge_blocks): Remove new_e.
7619
7620 * expr.c (expand_assignment): Remove orig_to_rtx.
7621
7622 * fold-const.c (int_const_binop): Remove no_overflow.
7623
7624 * ifcvt.c (noce_emit_move_insn): Remove inmode.
7625
7626 * loop-iv.c (get_biv_step_1): Remove lhs.
7627
7628 * loop-unroll.c (analyze_insns_in_loop): Remove preheader.
7629
7630 * real.c (real_nan): Remove neg.
7631
7632 * function.c (thread_prologue_and_epilogue_insns): Remove i
7633 and newinsn.
7634
7635 * tree-data-ref.c (array_base_name_differ_p): Remove ta and
7636 tb.
7637
7638 * tree-eh.c (tree_could_trap_p): Remove idx.
7639
7640 * tree-into-ssa.c (ann): Remove ann.
7641
7642 * tree-outof-ssa.c (num_nodes): Remove num_nodes.
7643
7644 * tree-sra.c (decide_block_copy): Remove inst_count.
7645
7646 * tree-ssa-alias.c (may_alias_p): Remove v_ann.
7647
7648 * tree-ssa-loop-im.c (lhs): Remove.
7649
7650 * cfgbuild.c (state, STATE, SET_STATE,
7651 BLOCK_USED_BY_TABLEJUMP, FULL_STATE): Move just before
7652 make_edges.
7653 (make_edges): Speed up by skipping blocks with BLOCK_ORIGINAL.
7654 (find_basic_blocks): Set the state of each basic block to
7655 BLOCK_NEW.
7656
7657 2005-03-08 Jeff Law <law@redhat.com>
7658
7659 * tree-cfg.c (cleanup_control_flow): If removal of a computed
7660 goto results in the removal of edges in the CFG, then we need
7661 to recompute dominators.
7662
7663 2005-03-09 Ben Elliston <bje@au.ibm.com>
7664
7665 * c-common.c (c_do_switch_warnings): Comment fix.
7666
7667 2005-03-08 Julian Brown <julian@codesourcery.com>
7668
7669 * Patch from 2005-03-08 reverted for causing regressions and
7670 ppc-darwin bootstrap failure.
7671
7672 2005-03-08 Fariborz Jahanian <fjahanian@apple.com>
7673
7674 * config/rs6000/rs6000.c (invalid_arg_for_unprototyped_fn):
7675 Define the real function for ppc-darwin.
7676 * c-typeck.c (convert_arguments): Check for target-specific
7677 invalid argument call to unprototyped function.
7678 * target-def.h (TARGET_INVALID_ARG_FOR_UNPROTOTYPED_FN):
7679 New Macro.
7680 * target.h (invalid_arg_for_unprototyped_fn): New field
7681 in struct calls.
7682 * targhooks.c (hook_invalid_arg_for_unprototyped_fn): New
7683 default target hook.
7684 * targhooks.h (hook_invalid_arg_for_unprototyped_fn):
7685 Declare.
7686
7687 2005-03-08 Kazu Hirata <kazu@cs.umass.edu>
7688
7689 * c-typeck.c (constructor_stack, constructor_range_stack,
7690 initializer_stack): Make them static.
7691
7692 * cfg.c (rbi_pool): Make it static.
7693
7694 * gimple-low.c (lower_stmt_body): Make it static.
7695 * tree-flow.h: Remove the corresponding prototype. Don't
7696 declare lower_data.
7697
7698 * sched-deps.c (cache_size): Make it static.
7699
7700 * stor-layout.c (lang_adjust_rli): Make it static.
7701
7702 2005-03-08 Julian Brown <julian@codesourcery.com>
7703
7704 * config/elfos.h (MAKE_DECL_ONE_ONLY): Redefined to stop DECL_WEAK
7705 from being used for symbols with vague linkage when
7706 HAVE_GAS_COMDAT_GROUP is true.
7707
7708 2005-03-08 J"orn Rennecke <joern.rennecke@st.com>
7709
7710 * jump.c (invert_jump_1): Don't call redirect_jump_1 with
7711 nlabel == JUMP_LABEL (jump).
7712
7713 2005-03-08 Kazu Hirata <kazu@cs.umass.edu>
7714
7715 * c-common.c, c-opts.c, combine.c, cse.c, dojump.c,
7716 gimplify.c, tree-dfa.c, tree-ssa-loop-ivopts.c,
7717 tree-ssa-phiopt.c, tree-ssa-pre.c, tree-ssa-sink.c,
7718 tree-vect-analyze.c, tree.def, tree.h: Fix comment formatting.
7719
7720 2005-03-08 Alexey Neyman <alex.neyman@auriga.ru>
7721
7722 PR c/14411
7723 * calls.c (flags_from_decl_or_type): Handle eturns_twice' attribute.
7724 * c-common.c (handle_returns_twice): New function.
7725 (c_common_attribute_table): Declare eturns_twice' attribute.
7726 * doc/extend.texi: Document eturns_twice' attribute.
7727 * tree.h (DECL_IS_RETURNS_TWICE): New macro.
7728 (struct tree_decl): Add returns_twice_flag.
7729
7730 2005-03-08 Kazu Hirata <kazu@cs.umass.edu>
7731
7732 * tree-ssa-phiopt.c: Fix a comment typo.
7733
7734 * c-semantics.c, cfghooks.c, diagnostic.h, loop-iv.c,
7735 loop-unswitch.c, modulo-sched.c, stor-layout.c, tree-gimple.h,
7736 config/i386/cygwin1.c, doc/cfg.texi, doc/objc.texi: Update
7737 copyright.
7738
7739 2005-03-08 Richard Henderson <rth@redhat.com>
7740
7741 * config/alpha/alpha.c (code_for_builtin): Replace special-case
7742 builtin codes with ctzdi2, clzdi2, popcountdi2.
7743 (struct alpha_builtin_def): Add is_const.
7744 (zero_arg_builtins, one_arg_builtins, two_arg_builtins): Init it.
7745 (alpha_v8qi_u, alpha_v8qi_s, alpha_v4hi_u, alpha_v4hi_s): New.
7746 (alpha_init_builtins): Init them. Set nothrow and const attributes
7747 on builtins.
7748 (alpha_fold_builtin_cmpbge, alpha_fold_builtin_zapnot,
7749 alpha_fold_builtin_extxx, alpha_fold_builtin_insxx,
7750 alpha_fold_builtin_mskxx, alpha_fold_builtin_umulh,
7751 alpha_fold_vector_minmax, alpha_fold_builtin_perr,
7752 alpha_fold_builtin_pklb, alpha_fold_builtin_pkwb,
7753 alpha_fold_builtin_unpkbl, alpha_fold_builtin_unpkbw,
7754 alpha_fold_builtin_cttz, alpha_fold_builtin_ctlz,
7755 alpha_fold_builtin_ctpop, alpha_fold_builtin): New.
7756 (TARGET_FOLD_BUILTIN): New.
7757 * config/alpha/alpha.md (UNSPEC_CTTZ): Remove.
7758 (UNSPEC_CTLZ, UNSPEC_CTPOP): Remove.
7759 (ffsdi2): Use ctz.
7760 (cttz, builtin_cttz, builtin_ctlz, builtin_ctpop): Remove.
7761
7762 2005-03-08 Ira Rosen <irar@il.ibm.com>
7763
7764 PR tree-optimization/20122
7765 * tree-vect-analyze.c (vect_object_analysis): Analyze initial
7766 condition of access function instead of base.
7767
7768 2005-03-07 Jeff Law <law@redhat.com>
7769 Steven Bosscher <stevenb@suse.de>
7770
7771 * tree-cfg.c (find_taken_edge_computed_goto): New function.
7772 (find_taken_edge): Call find_taken_edge_computed_goto as
7773 appropriate. Allow any gimple invariant rather than just
7774 INTEGER_CST for VAL.
7775 (cleanup_control_flow): Cleanup a computed goto which has turned
7776 into a simple goto.
7777 (tree_merge_blocks): If block B has any forced labels, move
7778 them to the start of block A.
7779 * tree-ssa-dom.c (thread_across_edge): Allow threading across
7780 computed gotos as well.
7781 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Handle
7782 removal of unnecessary computed gotos too.
7783 (lookup_redirection_data): Fix type of INSERT argument. Callers
7784 updated.
7785
7786 2005-03-08 Kazu Hirata <kazu@cs.umass.edu>
7787
7788 * tree-ssa-phiopt.c: Update copyright. Fix indentations.
7789 Remove trailing spaces.
7790
7791 * gimplify.c (gimple_push_bind_expr, gimple_pop_bind_expr,
7792 unshare_all_trees): Make them static.
7793 * tree-gimple.h: Remove the corresponding prototypes.
7794
7795 * diagnostic.h: Remove unused prototype
7796 debug_output_buffer.
7797 * modulo-sched.c: Remove unused prototype
7798 set_row_column_for_ps.
7799
7800 * tree-ssa-phiopt.c (tree_ssa_phiopt,
7801 replace_phi_edge_with_variable): Remove unused variable i.
7802
7803 2005-03-07 Per Bothner <per@bothner.com>
7804
7805 * tree.h (DECL_IS_BUILTIN): Reverted my patch from earlier today.
7806
7807 2005-03-06 Andrew Pinski <pinskia@physics.uc.edu>
7808
7809 PR tree-opt/17671
7810 * tree-ssa-phiopt.c (tree_ssa_phiopt): Rewrite so we base the
7811 bbs on the COND_EXPR instead of the PHI_NODEs.
7812 (candidate_bb_for_phi_optimization): Remove.
7813 (replace_phi_with_stmt): Rename to ...
7814 (replace_phi_edge_with_variable): this and change so that we
7815 replace the phi argument instead of removing the PHI.
7816 (conditional_replacement): Change so we deal with PHI with more
7817 than two arguments.
7818 (value_replacement): Likewise.
7819 (abs_replacement): Likewise.
7820
7821 2005-03-07 Aldy Hernandez <aldyh@redhat.com>
7822
7823 * config/rs6000/rs6000-protos.h: Rename output_e500_flip_eq_bit to
7824 output_e500_flip_gt_bit.
7825
7826 * config/rs6000/rs6000.c (print_operand): case D: Print out bit 31
7827 as bit 31.
7828 (rs6000_generate_compare): Fix logic to look at the correct bits.
7829 (output_e500_flip_eq_bit): Rename to output_e500_flip_gt_bit.
7830 Look at GT bit.
7831 (rs6000_emit_sCOND): Rename gen_e500_flip_eq_bit to
7832 gen_e500_flip_gt_bit. Rename gen_move_from_CR_eq_bit to
7833 gen_move_from_CR_gt_bit.
7834
7835 * config/rs6000/rs6000.md ("move_from_CR_eq_bit"): Change bit
7836 ("move_from_CR_eq_bit"): Rename to move_from_CR_gt_bit.
7837 (UNSPEC_MV_CR_EQ): Rename to UNSPEC_MV_CR_GT.
7838
7839 * config/rs6000/spe.md ("e500_cr_ior_compare"): New.
7840 (E500_CR_IOR_COMPARE): New constant.
7841
7842 2005-03-08 Earl Chew <earl_chew@agilent.com>
7843 David Billinghurst <David.Billinghurst@riotinto.com>
7844
7845 * config/i386/host-cygwin.c: New file to support precompiled
7846 headers on cygwin
7847 * config/i386/x-cygwin: Use host-cygwin.c on cygwin host
7848 * config.host: Use above files for cygwin host.
7849
7850 2005-03-07 David Edelsohn <edelsohn@gnu.org>
7851
7852 * fold-const.c (fold_binary_op_with_conditional_arg): Fix typo
7853 ordering ops from earlier change.
7854
7855 2005-03-07 Per Bothner <per@bothner.com>
7856
7857 Various fixes to allow us to again build if --enable-mapped-location:
7858 * c-decl.c (finish_function): Use SET_EXPR_LOCATION instead of
7859 unavailable annotate_with_file_line, if USE_MAPPED_LOCATION.
7860 * tree-cfg.c (remove_bb): If USE_MAPPED_LOCATION, change type of
7861 local variable loc. Change logic appropriately.
7862 * tree-vect-transform.c (vect_finish_stmt_generation): Use
7863 EXPR_LOCATION rather than EXPR_LOCUS if USE_MAPPED_LOCATION.
7864 * c-parser.c (c_parser_for_statement): Initialize loc variable.
7865 * tree.h (DECL_IS_BUILTIN): Temporarily revert definition of
7866 DECL_IS_BUILTIN in the USE_MAPPED_LOCATION because of jc1 issues.
7867
7868 2005-03-07 Richard Sandiford <rsandifo@redhat.com>
7869
7870 PR rtl-optimization/19683
7871 * reload1.c (choose_reload_regs): Pass the number of bits, not the
7872 number of bytes, to smallest_int_for_mode. Fix arguments to
7873 REG_CANNOT_CHANGE_MODE_P.
7874
7875 2005-03-07 Eric Botcazou <ebotcazou@libertysurf.fr>
7876
7877 * reorg.c (relax_delay_slots): Check that the jump is
7878 conditional before trying to invert it.
7879
7880 2005-03-07 Kazu Hirata <kazu@cs.umass.edu>
7881
7882 * bb-reorder.c (max_entry_frequency, max_entry_frequency):
7883 Make them static.
7884
7885 * calls (stack_arg_under_construction): Make it static.
7886
7887 * flow.c (regs_live_at_setjmp): Make it static.
7888 * flow.h: Remove the corresponding prototype.
7889
7890 * reload1.c (reload_startobj, reload_firstobj,
7891 something_needs_operands_changed, reload_inherited,
7892 reload_inheritance_insn, reload_override_in,
7893 reload_spill_index): Make them static.
7894
7895 * recog.c (verify_changes): Make it static.
7896 * recog.h: Remove the corresponding prototype.
7897
7898 * cfgbuild.c (find_sub_basic_blocks): Remove.
7899 * basic-block.h: Remove the corresponding prototype.
7900 * cfgexpand.c, cfgrtl.c: Don't mention find_sub_basic_blocks
7901 in comments.
7902 * doc/cfg.texi: Don't mention find_sub_basic_blocks.
7903
7904 * tree-ssa-operands.c (check_build_stmt): Remove.
7905
7906 * stor-layout.c (set_alignment): Remove.
7907 * tree.h: Remove the corresponding prototype.
7908
7909 * tree-ssa-pre.c (has_abnormal_preds): Make it static.
7910
7911 * tree-ssa-dce.c (control_dependence_map,
7912 visited_control_parents): Make them static.
7913
7914 * cfghooks.c (verify_flow_info): Remove local variable
7915 num_bb_notes.
7916
7917 * cfgrtl.c (rtl_verify_flow_info_1): Remove local variable
7918 last_bb_seen.
7919
7920 * loop-unswitch.c (unswitch_loop): Remove local variable src.
7921
7922 2005-03-07 David Billinghurst <David.Billinghurst@riotinto.com>
7923
7924 * config/i386/cygwin1.c(mingw_scan): Use xstrdup in calls to putenv.
7925
7926 2005-03-07 Joseph S. Myers <joseph@codesourcery.com>
7927
7928 * config/ia64/hpux.h (LINK_SPEC): Add -z.
7929 * config/ia64/ia64.c (ia64_function_value): Return a REG not a
7930 PARALLEL for an empty structure.
7931
7932 2005-03-07 Kazu Hirata <kazu@cs.umass.edu>
7933
7934 * fold-const.c (fold_binary): Remove handling of RANGE_EXPR.
7935
7936 * fold-const.c (fold_binary): Unroll the very first "for"
7937 loop.
7938
7939 2005-03-06 David Edelsohn <edelsohn@gnu.org>
7940
7941 * config/rs6000/predicates.md (branch_comparison_operator): Remove
7942 redundant match_code test.
7943 (scc_comparison_operator): Swap match_operand and match_code
7944 tests.
7945 (branch_positive_comparison_operator): Same.
7946 (trap_comparison_operator): Use comparison_operator and swap with
7947 match_code test.
7948
7949 2005-03-06 Marek Michalkiewicz <marekm@amelek.gda.pl>
7950
7951 PR target/20288
7952 * config/avr/avr.c (print_operand): Add 'p' and 'r'.
7953 (out_movhi_r_mr): Read low byte of volatile MEM first.
7954 (out_movhi_mr_r): Write high byte of volatile MEM first.
7955
7956 2005-03-05 Kazu Hirata <kazu@cs.umass.edu>
7957
7958 * cselib.c (reg_values, reg_values_size): Make them static.
7959
7960 * cse.c (cse_reg_info_table): Make it static.
7961
7962 * fold-const.c (fold_unary): Use build1 instead of copy_node.
7963
7964 2005-03-06 Zdenek Dvorak <dvorakz@suse.cz>
7965
7966 * cse.c (find_best_addr): Use canon_for_address.
7967
7968 2005-03-06 Kazu Hirata <kazu@cs.umass.edu>
7969
7970 * cse.c (fold_rtx_subreg, fold_rtx_mem): New.
7971 (fold_rtx): Call fold_rtx_subreg and fold_rtx_mem to handle
7972 SUBREG and MEM, respectively.
7973
7974 * fold-const.c (fold_binary): Use code instead of t.
7975
7976 * fold-const.c (optimize_minmax_comparison): Take decomposed
7977 arguments code, type, op0, and op1 instead of t.
7978 (fold_binary): Update a call to optimize_minmax_comparison.
7979
7980 * fold-const.c (fold_range_test): Take decomposed arguments
7981 code, type, op0, and op1 instead of t.
7982 (fold_binary): Update a call to fold_range_test.
7983
7984 * fold-const.c (fold_binary_op_with_conditional_arg): Take
7985 decomposed arguments code, type, op0, and op1 instead of t.
7986 (fold_binary): Update a call to fold_range_test.
7987
7988 2005-03-06 Kazu Hirata <kazu@cs.umass.edu>
7989
7990 * fold-const.c (fold_binary): Avoid directly using the original
7991 expression t as much as possible.
7992
7993 2005-03-05 Kazu Hirata <kazu@cs.umass.edu>
7994
7995 * c-semantics.c (build_stmt): Use TYPE_P instead of
7996 IS_NON_TYPE_CODE_CLASS.
7997 * tree.h (IS_NON_TYPE_CODE_CLASS): Remove.
7998 (NON_TYPE_CHECK): Use TYPE_P instead of
7999 IS_NON_TYPE_CODE_CLASS.
8000
8001 * fold-const.c (fold): Remove handling of binary expressions.
8002
8003 2005-03-05 James A. Morrison <phython@gcc.gnu.org>
8004
8005 * doc/c-tree.texi: Wrap comments in @r{}.
8006 * doc/cpp.texi: Likewise.
8007 * doc/cppinternals.texi: Likewise.
8008 * doc/extend.texi: Likewise.
8009 * doc/md.texi: Likewise.
8010 * doc/objc.texi: Likewise.
8011 * doc/sourcebuild.texi: Likewise.
8012 * doc/tm.texi: Likewise.
8013 * doc/tree-ssa.texi
8014
8015 2005-03-05 Kazu Hirata <kazu@cs.umass.edu>
8016
8017 * predict.c (apply_return_prediction): Standardize PHI chain
8018 walking.
8019 * tree-ssa.c (ssa_redirect_edge): Likewise.
8020
8021 * genattrtab.c, genemit.c, genoutput.c, genrecog.c,
8022 gensupport.c, jump.c, tree-phinodes.c, unwind-dw2-fde-glibc.c:
8023 Update copyright.
8024
8025 * tree-phinodes.c (remove_phi_node): Drop the last argument.
8026 * tree-flow.h: Adjust the prototype for remove_phi_node.
8027 * lambda-code.c (perfect_nestify): Adjust a call to
8028 remove_phi_node.
8029 * tree-cfg.c
8030 (remove_phi_nodes_and_edges_for_unreachable_block): Likewise.
8031 * tree-outof-ssa.c (eliminate_virtual_phis, remove_ssa_form):
8032 Likewise.
8033 * tree-ssa-dce.c (remove_dead_phis): Likewise.
8034 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
8035 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
8036 * tree-ssa.c (kill_redundant_phi_nodes): Likewise.
8037
8038 * combine.c (simplify_and_const_int): Use gen_int_mode instead
8039 of GEN_INT (trunc_int_for_mode (...)).
8040 * loop-iv.c (iv_number_of_iterations): Likewise.
8041 * postreload.c (reload_cse_move2add): Likewise.
8042 * simplify-rtx.c (simplify_const_unary_operation,
8043 simplify_const_binary_operation): Likewise.
8044 * stor-layout.c (get_mode_bounds): Likewise.
8045
8046 * fold-const.c (fold_binary): New.
8047 (fold): Call fold_binary on binary expressions.
8048
8049 2005-03-05 Richard Sandiford <rsandifo@redhat.com>
8050
8051 * doc/invoke.texi: Document new MIPS -msym32 and -mno-sym32 options.
8052 * config/mips/mips.h (MASK_SYM32, TARGET_SYM32): New macros.
8053 (TARGET_SWITCHES): Add -msym32 and -mno-sym32.
8054 (ABI_HAS_64BIT_SYMBOLS): Set to false if TARGET_SYM32.
8055 (ASM_SPEC): Pass down -msym32 and -mno-sym32.
8056
8057 2005-03-04 Devang Patel <dpatel@apple.com>
8058
8059 PR tree-optimization/18815
8060 * tree-if-conv.c (combine_blocks): Adjust loop header edges for
8061 loops with zero exit edges.
8062
8063 2005-03-04 Devang Patel <dpatel@apple.com>
8064
8065 * doc/invoke.texi: Remove reference to webpage that does not exist.
8066
8067 2005-03-04 John David Anglin <dave.danglin@nrc-cnrc.gc.ca>
8068 Joseph S. Myers <joseph@codesourcery.com>
8069
8070 PR c++/19797
8071 * pa/elf.h, pa64-hpux.h, som.h (ASM_OUTPUT_EXTERNAL_REAL): Define.
8072 (ASM_OUTPUT_EXTERNAL): Call pa_hpux_asm_output_external.
8073 * pa-protos.h (pa_hpux_asm_output_external): Add prototype.
8074 * pa.c (get_plabel): Change argument to symbol_ref. Call
8075 maybe_get_identifier instead of get_identifier.
8076 (pa_hpux_asm_output_external, pa_hpux_file_end): New functions.
8077 (struct deferred_plabel): Replace name field with symbol field.
8078 (TARGET_ASM_FILE_END): Define as pa_hpux_file_end if
8079 ASM_OUTPUT_EXTERNAL_REAL is defined.
8080 (output_global_address): Use output_addr_const for output of all
8081 symbol_refs.
8082 (output_deferred_plabels): Use symbol_ref instead of name for address
8083 output.
8084 * pa.h (SYMBOL_FLAG_REFERENCED, SYMBOL_REF_REFERENCED_P,
8085 ASM_OUTPUT_SYMBOL_REF): New macros.
8086 * som.h (ASM_OUTPUT_EXTERNAL_LIBCALL): Use assemble_name_raw. Update
8087 comment.
8088 (ASM_WEAKEN_LABEL): Use targetm.asm_out.globalize_label to globalize
8089 label.
8090
8091 2005-03-05 Joseph S. Myers <joseph@codesourcery.com>
8092
8093 * config.gcc (hppa*64*-*-hpux11*): Use pa/pa-hpux1111.h for
8094 *-*-hpux11.[1-9]*, not just for *-*-hpux11.11.
8095
8096 2005-03-04 Jeff Law <law@redhat.com>
8097
8098 * basic-block.h (rediscover_loops_after_threading): Declare.
8099 * tree-ssa-dom.c: Include cfgloop.h.
8100 (tree_ssa_dominator_optimize): Discover loops and some basic
8101 properties. Remove forwarder blocks recreated by loop header
8102 canonicalization. Also mark backedges in the CFG.
8103 * tree-ssa-threadupdate.c: Include cfgloop.h
8104 (rediscover_loops_after_threading): Define.
8105 (struct local_info): New field, JUMP_THREADED.
8106 (prune_undesirable_thread_requests): New function.
8107 (redirect_edges): Clear EDGE_ABNORMAL. If edges were threaded
8108 then record that fact for the callers of redirct_edges.
8109 (thread_block): If BB has incoming backedges, then call
8110 prune_undesirable_thraed_requests. Note when we are
8111 going to have to rediscover loop information. Return a
8112 boolean indicating if any jumps were threaded.
8113 (thread_through_all_blocks): Bubble up boolean indicating
8114 if any jumps were threaded.
8115 * Makefile.in (tree-ssa-dom.o): Depend on cfgloop.h
8116 (tree-ssa-threadupdate.o): Similarly.
8117
8118 2005-03-04 Kazu Hirata <kazu@cs.umass.edu>
8119
8120 * fold-const.c (fold_ternary): Unroll the "for" loop to
8121 extract operands.
8122
8123 2005-03-04 Andrew Haley <aph@redhat.com>
8124
8125 * unwind-dw2-fde-glibc.c (struct
8126 unw_eh_callback_data.check_cache): New field.
8127 (frame_hdr_cache): New.
8128 (_Unwind_IteratePhdrCallback): Add ext_dl_phdr_info.
8129 Cache frame header info.
8130
8131 2005-03-04 Richard Sandiford <rsandifo@redhat.com>
8132
8133 * rtl.h (copy_rtx_ptr_loc, print_rtx_ptr_loc, join_c_conditions)
8134 (print_c_condition): Declare.
8135 * read-rtl.c (ptr_loc): New structure.
8136 (ptr_locs, ptr_loc_obstack, joined_conditions)
8137 (joined_conditions_obstack): New variables.
8138 (leading_ptr_hash, leading_ptr_eq_p, set_rtx_ptr_loc)
8139 (get_rtx_ptr_loc, copy_rtx_ptr_loc, print_rtx_ptr_loc)
8140 (join_c_conditions, print_c_condition): New functions.
8141 (apply_macro_to_string): Associate the new string with the same
8142 source location as the old one.
8143 (add_condition_to_string): Use join_c_conditions.
8144 (read_string): Use set_rtx_ptr_loc to record a filename and line
8145 number for the string.
8146 (read_rtx): Initialize the new variables above.
8147 * genattrtab.c (write_test_expr, write_attr_value): Use
8148 print_c_condition.
8149 * genconditions.c (write_header): Don't define MAYBE_EVAL. Move its
8150 comment above the GCC_VERSION check.
8151 (write_one_condition): Use print_rtx_ptr_loc and print_c_condition.
8152 Inline the definition of MAYBE_EVAL.
8153 * genemit.c (gen_expand, gen_split): Use print_rtx_ptr_loc.
8154 * genoutput.c (process_template): Likewise.
8155 * genpreds.c (write_predicate_subfunction): Likewise.
8156 (write_predicate_expr): Use print_c_condition.
8157 * genrecog.c (write_cond): Likewise.
8158 * gensupport.c (process_rtx): Use join_c_conditions to join the
8159 conditions of a define_insn_and_split. Record a source location
8160 for the string after the "&&".
8161 (alter_test_for_insn): Use join_c_conditions.
8162
8163 2005-03-04 Andrew Pinski <pinskia@physics.uc.edu>
8164
8165 Revert for now:
8166 2005-03-03 James A. Morrison <phython@gcc.gnu.org>
8167 PR tree-optimization/15784
8168 * fold-const.c (fold): Fold ~A + 1 to -A. Fold -A - 1
8169 and -1 - A to ~A.
8170
8171 2005-03-04 Ben Elliston <bje@au.ibm.com>
8172
8173 * gcc.c (option_map): Add --coverage.
8174 (LINK_COMMAND_SPEC): Pass -lgcov for `coverage'.
8175 (cc1_options): Pass -fprofile-arcs -ftest-coverage for `coverage'.
8176 * config/darwin.h: Pass -lgcov for `coverage'.
8177 * doc/invoke.texi (Debugging Options): Document --coverage.
8178
8179 2005-03-04 Kazu Hirata <kazu@cs.umass.edu>
8180
8181 * gcse.c (bypass_block): Use find_edge wherever possible.
8182
8183 2005-03-03 Daniel Berlin <dberlin@dbrelin.org>
8184
8185 Fix PR debug/20253
8186
8187 * c-opts.c (c_common_parse_file): Call start_source_file
8188 and end_source_file at the approriate times.
8189
8190 * dwarf2out.c (dwarf2out_finish): Don't auto-end
8191 the main file, it will be done for us now.
8192
8193 2005-03-04 Kazu Hirata <kazu@cs.umass.edu>
8194
8195 * fold-const.c (fold_ternary): New.
8196 (fold): Call fold_ternary on ternary expressions. Remove
8197 handling of ternary expressions.
8198
8199 2005-03-03 James A. Morrison <phython@gcc.gnu.org>
8200
8201 PR tree-optimization/15784
8202 * fold-const.c (fold): Fold ~A + 1 to -A. Fold -A - 1
8203 and -1 - A to ~A.
8204
8205 2005-03-03 David Edelsohn <edelsohn@gnu.org>
8206
8207 * config/rs6000/predicates.md (branch_comparison_operator):
8208 Convert from C block to conditional format.
8209
8210 2005-03-03 Jan Hubicka <jh@suse.cz>
8211
8212 * tree-dfa.c (add_referenced_var): Don't walk initializer of external
8213 and non-constant public variables.
8214
8215 2005-03-03 Kazu Hirata <kazu@cs.umass.edu>
8216
8217 * tree-cfg.c (stmt_starts_bb_p): Clean up by replacing code
8218 with LABEL_EXPR.
8219
8220 * cfgexpand.c (construct_exit_block): Use EDGE_PRED instead of
8221 EDGE_I.
8222
8223 * tree-phinodes.c (remove_phi_node): Clean up by factoring out
8224 calls to release_ssa_name and release_phi_node.
8225
8226 * fold-const.c (fold): Remove handling of unary expressions.
8227
8228 * fold-const.c (fold_unary): Avoid directly using the original
8229 expression t as much as possible.
8230
8231 2005-03-03 Roger Sayle <roger@eyesopen.com>
8232 Andrew Pinski <pinskia@physics.uc.edu>
8233
8234 * jump.c (redirect_exp_1): If nlabel is a NULL pointer create a
8235 RETURN rtx, and not a LABEL_REF containing a NULL pointer.
8236
8237 2005-03-03 Hans-Peter Nilsson <hp@axis.com>
8238
8239 Describe special registers SRP and MOF as allocatable registers.
8240 * config/cris/cris.c (cris_md_asm_clobbers): New function.
8241 (TARGET_MD_ASM_CLOBBERS): Define to cris_md_asm_clobbers.
8242 (cris_conditional_register_usage): Enable CRIS_MOF_REGNUM if
8243 TARGET_HAS_MUL_INSNS.
8244 (cris_print_operand) <case 'd'>: New case.
8245 <case REG>: Allow CRIS_MOF_REGNUM and CRIS_SRP_REGNUM.
8246 * config/cris/cris.h (CRIS_PC_REGNUM, CRIS_SRP_REGNUM): Don't
8247 define.
8248 (FIRST_PSEUDO_REGISTER, FIXED_REGISTERS, CALL_USED_REGISTERS)
8249 (REG_ALLOC_ORDER): Update for MOF.
8250 (enum reg_class): New members MOF_REGS, GENERAL_REGS and
8251 SPECIAL_REGS.
8252 (GENERAL_REGS): No longer a define of ALL_REGS.
8253 (REGNO_REG_CLASS, REG_CLASS_CONTENTS, REG_CLASS_NAMES)
8254 (PREFERRED_RELOAD_CLASS, REGISTER_NAMES, DBX_REGISTER_NUMBER):
8255 Adjust accordingly.
8256 (CRIS_SPECIAL_REGS_CONTENTS): New macro.
8257 (REG_CLASS_FROM_LETTER): Allocate 'h' and 'x'.
8258 (SECONDARY_RELOAD_CLASS): Define.
8259 (STACK_POINTER_REGNUM): Define as CRIS_SP_REGNUM.
8260 (FRAME_POINTER_REGNUM): Define as CRIS_FP_REGNUM.
8261 (ARG_POINTER_REGNUM): Define as CRIS_AP_REGNUM.
8262 (STATIC_CHAIN_REGNUM): Define as CRIS_STATIC_CHAIN_REGNUM.
8263 (REGISTER_MOVE_COST): Define.
8264 (PIC_OFFSET_TABLE_REGNUM): Define in terms of CRIS_GOT_REGNUM.
8265 * config/cris/cris.md (CRIS_GOT_REGNUM, CRIS_STATIC_CHAIN_REGNUM)
8266 (CRIS_FP_REGNUM, CRIS_SP_REGNUM, CRIS_SRP_REGNUM, CRIS_AP_REGNUM)
8267 (CRIS_MOF_REGNUM): New define_constants.
8268 ("*movsi_internal", "movhi", "movqi", "movsf"): Add alternatives for
8269 special registers.
8270 ("reload_inhi", "reload_outhi", "reload_inqi", "reload_outqi"):
8271 New patterns.
8272 ("umulhisi3", "umulqihi3", "mulsi3", "mulqihi3", "mulhisi3")
8273 ("mulsidi3", "umulsidi3", "smulsi3_highpart", "umulsi3_highpart"):
8274 Adjust for MOF being properly described as a register.
8275 (indir_to_reg_split): Name this split. Conditionalize on the
8276 destination register being a general register.
8277 (movei): Conditionalize on on operands 0 and 1 having the same
8278 register class.
8279
8280 2005-03-03 Alan Modra <amodra@bigpond.net.au>
8281
8282 PR target/20277
8283 * config/rs6000/rs6000.c (rs6000_override_options): Don't allow
8284 -mcpu to override any other explicitly given flags.
8285
8286 2005-03-02 J"orn Rennecke <joern.rennecke@st.com>
8287
8288 * recog.c (verify_changes, confirm_change_group): New functions,
8289 broken out of apply_change_group.
8290 (apply_change_group): Use them.
8291 * recog.h (verify_change, confirm_change_group): Declare.
8292 * rtl.h (redirect_jump_2): Declare.
8293 * jump.c (redirect_exp, invert_exp): Delete.
8294 (invert_exp_1): Take second parameter. Return value. Changed caller.
8295 (redirect_jump_2): New function, broken out of redirect_jump.
8296 (redirect_jump): Use redirect_jump_1 and redirect_jump_2.
8297 (invert_jump): Use invert_jump_1 and redirect_jump_2.
8298 * ifcvt.c (dead_or_predicable): Use redirect_jump_2.
8299
8300 2005-03-02 Geoffrey Keating <geoffk@apple.com>
8301
8302 * varasm.c (named_section): Use xstrdup rather than doing it by
8303 hand.
8304
8305 * config/darwin8.h (LIB_SPEC): Switch -lmx and -lSystem.
8306
8307 2005-03-02 Devang Patel <dpatel@apple.com>
8308
8309 Undo PR tree-optimization/18815 fix.
8310
8311 2005-03-02 Devang Patel <dpatel@apple.com>
8312
8313 PR tree-optimization/18815
8314 * tree-if-conv.c (combine_blocks): Adjust loop header edges for
8315 loops with zero exit edges.
8316
8317 2005-03-02 Kazu Hirata <kazu@cs.umass.edu>
8318
8319 * cfg.c (connect_src, connect_dest, disconnect_src,
8320 disconnct_dest): New.
8321 (unchecked_make_edge, remove_edge, redirect_edge_succ,
8322 redirect_edge_pred): Use the new functions.
8323
8324 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Call
8325 free_dominance_info only when needed.
8326
8327 2005-03-02 David Edelsohn <edelsohn@gnu.org>
8328
8329 PR target/20276
8330 * config/rs6000/predicates.md (reg_or_cint64_operand): Fix typo.
8331 (reg_or_sub_cint64_operand): Same.
8332
8333 2005-03-02 Jeff Law <law@redhat.com>
8334
8335 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Fix setting of
8336 CFG_ALTERED in the main DOM iteration loop.
8337
8338 2005-03-02 Mark Mitchell <mark@codesourcery.com>
8339
8340 PR c++/19916
8341 * varasm.c (initializer_constant_valid_p): Allow conversions
8342 between OFFSET_TYPEs. Tidy.
8343
8344 2005-03-02 Hans-Peter Nilsson <hp@axis.com>
8345
8346 * config/cris/cris.md ("return"): Remove epilogue delay list
8347 sanity check.
8348
8349 2005-03-02 Daniel Jacobowitz <dan@codesourcery.com>
8350
8351 * config/arm/linux-elf.h (ARM_FUNCTION_PROFILER): Do not use (PLT)
8352 for Thumb.
8353 * config/arm/netbsd-elf.h (ARM_FUNCTION_PROFILER): Likewise.
8354
8355 2005-03-02 Kazu Hirata <kazu@cs.umass.edu>
8356
8357 * cfgloop.h, cfgloopanal.c, cfgloopmanip.c, conflict.c,
8358 loop-init.c, loop-unroll.c, print-tree.c, reg-notes.def,
8359 config/m68k/m68k.c, config/mips/mips.h,
8360 config/rs6000/rs6000-protos.h, doc/contrib.texi,
8361 doc/include/gcc-common.texi: Update copyright.
8362
8363 PR middle-end/18029 and PR middle-end/18030
8364 * expr.c (optimize_bitfield_assignment_op): Add a special case
8365 to handle BIT_IOR_EXPR and BIT_XOR_EXPR.
8366
8367 * fold-const.c (fold_unary): New.
8368 (fold): Call fold_unary on unary expressions.
8369
8370 2005-03-02 Richard Guenther <rguenth@gcc.gnu.org>
8371
8372 * cgraph.h (struct cgraph_edge): Add prev_caller and
8373 prev_callee fields.
8374 (cgraph_node_remove_callees): Export.
8375 * cgraph.c (cgraph_create_edge): Initialize prev_caller
8376 and prev_callee.
8377 (cgraph_edge_remove_callee): New function.
8378 (cgraph_edge_remove_caller): Likewise.
8379 (cgraph_remove_edge): Use.
8380 (cgraph_redirect_edge_callee): Likewise.
8381 (cgraph_node_remove_callees): New function.
8382 (cgraph_node_remove_callers): Likewise.
8383 (cgraph_remove_node): Use.
8384 * tree-optimize.c (tree_rest_of_compilation): Use
8385 cgraph_node_remove_callees instead of manual loop.
8386 * cgraphunit.c (cgraph_finalize_function): Likewise.
8387 (cgraph_expand_function): Likewise.
8388 (cgraph_remove_unreachable_nodes): Likewise.
8389
8390 2005-03-02 Joseph S. Myers <joseph@codesourcery.com>
8391
8392 PR c/8927
8393 * c-tree.h (undeclared_variable, build_external_ref): Add extra
8394 argument.
8395 * c-decl.c (undeclared_variable): Take location as argument.
8396 * c-typeck.c (build_external_ref): Likewise.
8397 * c-parser.c (c_parser_postfix_expression): Pass location of
8398 identifier to build_external_ref.
8399
8400 2005-03-01 David Edelsohn <edelsohn@gnu.org>
8401
8402 * config/rs6000/rs6000.md (cceq splitter): Use operand mode, not
8403 CCEQ mode for branch_positive_comparison_operator test.
8404 * config/rs6000/predicates (branch_comparison_operator): Revert to
8405 define_predicate.
8406 (scc_comparison_operator): Same.
8407 (branch_positive_comparison_operator): Same.
8408
8409 2005-03-01 Hans-Peter Nilsson <hp@axis.com>
8410
8411 * config/cris/cris.c (cris_eligible_for_epilogue_delay)
8412 (cris_delay_slots_for_epilogue): Remove.
8413 (save_last): Move into cris_target_asm_function_epilogue.
8414 (cris_target_asm_function_epilogue): Remove tests for file being
8415 NULL.
8416 * config/cris/cris-protos.h (cris_eligible_for_epilogue_delay)
8417 (cris_delay_slots_for_epilogue): Remove prototypes.
8418 * config/cris/cris.h (DELAY_SLOTS_FOR_EPILOGUE)
8419 (ELIGIBLE_FOR_EPILOGUE_DELAY): Do not define.
8420
8421 2005-03-01 David Edelsohn <edelsohn@gnu.org>
8422
8423 * config/rs6000/predicates.md (branch_comparison_operator): Change
8424 to define_special_predicate.
8425 (scc_comparison_operator): Same.
8426 (branch_positive_comparison_operator): Same.
8427
8428 2005-03-01 Daniel Berlin <dberlin@dberlin.org>
8429
8430 * Makefile.in (tree-ssa-sink.o): New.
8431 (OBJS-common): Add tree-ssa-sink.o.
8432 * common.opt: Add -ftree-sink
8433 * opts.c (decode_options): flag_tree_sink is set at O1 or higher.
8434 * timevar.def (TV_TREE_SINK): new timevar.
8435 * tree-flow.h (is_hidden_global_store): Prototype.
8436 * tree-optimize.c (init_tree_optimization_passes): Add
8437 pass_sink_code.
8438 * tree-pass.h (pass_sink_code): New.
8439 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Move checking
8440 for non-obvious global store store to is_hidden_global_store, and
8441 call that new function.
8442 * tree-ssa-sink.c: New file.
8443 * doc/invoke.texi: Document -fdump-tree-sink and -ftree-sink.
8444 * doc/passes.texi: Document forward store motion.
8445 * testsuite/gcc.dg/tree-ssa/ssa-sink-1.c: New test
8446 * testsuite/gcc.dg/tree-ssa/ssa-sink-2.c: New test
8447 * testsuite/gcc.dg/tree-ssa/ssa-sink-3.c: New test
8448 * testsuite/gcc.dg/tree-ssa/ssa-sink-4.c: New test
8449
8450 2005-03-01 Per Bothner <per@bothner.com>
8451
8452 * diagnostic.c (diagnostic_build_prefix): If USE_MAPPED_LOCATION
8453 and we have a non-zero column-number, add it to the message.
8454 Also factor out the diagnostic_kind_text.
8455
8456 2005-03-01 Zdenek Dvorak <dvorakz@suse.cz>
8457
8458 * cfgloop.c (flow_loop_entry_edges_find, flow_loop_exit_edges_find,
8459 flow_loop_pre_header_scan, flow_loop_pre_header_find,
8460 flow_loop_scan): Removed.
8461 (flow_loop_dump): Do not dump removed fields.
8462 (flow_loop_free): Do not free removed fields.
8463 (flow_loops_find): Flags argument removed. Do not call flow_loop_scan.
8464 (loop_exit_edge_p): New function.
8465 * cfgloop.h (struct loop): Removed fields pre_header, pre_header_edges,
8466 num_pre_header_edges, entry_edges, num_entries, exit_edges,
8467 num_exits, exits_doms.
8468 (LOOP_TREE, LOOP_PRE_HEADER, LOOP_ENTRY_EDGES, LOOP_EXIT_EDGES,
8469 LOOP_EDGES, LOOP_ALL): Removed.
8470 (flow_loop_scan): Declaration removed.
8471 (loop_exit_edge_p, mark_loop_exit_edges): Declare.
8472 * cfgloopmanip.c (create_loop_notes): Do not pass flags to
8473 flow_loops_find.
8474 * ifcvt.c (mark_loop_exit_edges): Moved to cfgloopanal.c.
8475 (if_convert): Call flow_loops_find and flow_loops_free
8476 when calling mark_loop_exit_edges.
8477 * cfgloopanal.c (mark_loop_exit_edges): Moved from
8478 ifcvt.c. Removed the flow_loops_find, flow_loops_free and
8479 free_dominance_info calls.
8480 * loop-init.c (flow_loops_find): Ditto.
8481 * passes.c (rest_of_handle_branch_prob): Ditto.
8482 * lambda-code.c (perfect_nestify): Do not call flow_loops_find.
8483 * loop-unroll.c (analyze_insns_in_loop): Do not use
8484 EDGE_LOOP_EXIT.
8485 * predict.c (predict_loops): Do not call flow_loop_scan.
8486 Use get_loop_exit_edges.
8487 (tree_estimate_probability): Do not pass flags to flow_loops_find.
8488 * tree-if-conv.c (bb_with_exit_edge_p): Take loop as argument.
8489 Do not use EDGE_LOOP_EXIT.
8490 (tree_if_convert_cond_expr, if_convertible_modify_expr_p): Pass loop
8491 to bb_with_exit_edge_p.
8492 (if_convertible_loop_p): Do not call flow_loop_scan. Use
8493 loop->single_exit. Do not use EDGE_LOOP_EXIT. Pass loop
8494 to bb_with_exit_edge_p.
8495 (combine_blocks): Pass loop to bb_with_exit_edge_p. Do not use
8496 EDGE_LOOP_EXIT.
8497 * tree-loop-linear.c (linear_transform_loops): Do not call
8498 flow_loop_scan. Use loop->single_exit.
8499 * tree-vect-analyze.c (vect_analyze_operations): Use loop->single_exit.
8500 (vect_analyze_loop_form): Do not call flow_loop_scan.
8501 * tree-vect-transform.c (vect_update_ivs_after_vectorizer): Use
8502 loop->single_exit.
8503 (vect_do_peeling_for_loop_bound): Use loop_preheader_edge and
8504 loop->single_exit.
8505 * tree-vectorizer.c (slpeel_update_phis_for_duplicate_loop,
8506 slpeel_make_loop_iterate_ntimes, slpeel_can_duplicate_loop_p,
8507 slpeel_tree_duplicate_loop_to_edge_cfg,
8508 slpeel_verify_cfg_after_peeling, slpeel_tree_peel_loop_to_edge):
8509 Use loop_preheader_edge and loop->single_exit. Do not call
8510 flow_loop_scan.
8511
8512 2005-03-01 Nick Clifton <nickc@redhat.com>
8513
8514 * config/arm/arm.c (thumb_find_work_register): Check all of the
8515 argument registers to see if they are free, and a couple of
8516 special cases where the last argument register but can be proved
8517 to be available during the function's prologue.
8518 (print_multi_reg, arm_compute_save_reg0_reg12_mask,
8519 output_return_instruction, emit_multi_reg_push, thumb_pushpop,
8520 thumb_unexpanded_epilogue): Use unsigned long as the type for the
8521 register bit-mask.
8522 (thumb_compute_save_reg_mask): Likewise. Also use
8523 thumb_find_work_register() to ensure that there is agreement about
8524 which work register is going to be used in the prologue.
8525 (thumb_output_function_prologue): Use unsigned long as the type
8526 for the register bit-mask. Also delay pushing the link register if
8527 other high registers are going to be pushed.
8528 (thumb_compute_save_reg_mask, emit_multi_reg_push,
8529 print_multi-reg, number_of_first_bit_set, thumb_pushpop): Remove
8530 redundant prototypes.
8531
8532 2005-02-28 John David Anglin <dave.anglin#nrc-cnrc.gc.ca>
8533
8534 PR target/19819
8535 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Allow allow hard registers during
8536 and after reload in REG+REG indexed addresses without REG_POINTER
8537 set in the base and not set in the index.
8538
8539 2005-02-28 Kaz Kojima <kkojima@gcc.gnu.org>
8540
8541 * config/sh/linux.h (MD_EXEC_PREFIX, MD_STARTFILE_PREFIX):
8542 Don't undefine here.
8543 (HANDLE_PRAGMA_PACK_PUSH_POP): Delete.
8544 (NO_IMPLICIT_EXTERN_C, CPLUSPLUS_CPP_SPEC): Likewise.
8545 (TARGET_OS_CPP_BUILTINS): Use LINUX_TARGET_OS_CPP_BUILTINS.
8546 (LIB_SPEC, LINK_EH_SPEC, STARTFILE_SPEC, ENDFILE_SPEC,
8547 LINK_GCC_C_SEQUENCE_SPEC, USE_LD_AS_NEEDED, TARGET_C99_FUNCTIONS):
8548 Delete.
8549 * config.gcc (sh*-*-linux*): Use config/linux.h.
8550
8551 2005-02-28 Dale Johannesen <dalej@apple.com>
8552 Stan Shebs <shebs@apple.com>
8553
8554 Rewrite of 64-bit Darwin structure-by-value pass/return.
8555 * config/rs6000/rs6000.h (CUMULATIVE_ARGS): New fields
8556 intoffset, use_stack, named.
8557 * config/rs6000/rs6000.c (rs6000_darwin64_function_arg): Remove.
8558 (rs6000_darwin64_record_arg_advance_flush): New.
8559 (rs6000_darwin64_record_arg_advance_recurse): New.
8560 (rs6000_darwin64_record_arg_flush): New.
8561 (rs6000_darwin64_record_arg_recurse): New.
8562 (rs6000_darwin64_record_arg): New.
8563 (rs6000_return_in_memory): Remove AGGREGATE_TYPE_P check.
8564 (function_arg_boundary): Handle 128-bit aligned structs.
8565 (function_arg_advance): Rewrite darwin64 struct handling.
8566 (function_arg): Call rs6000_darwin64_record_arg.
8567 (function_arg_partial_nregs): Handle darwin64 structs.
8568 (rs6000_darwin64_function_value): Remove.
8569 (rs6000_function_value): Call rs6000_darwin64_record_arg.
8570
8571 2005-02-28 Roger Sayle <roger@eyesopen.com>
8572
8573 PR tree-optimization/20216
8574 * tree-chrec.c (tree_fold_factorial): Delete.
8575 (tree_fold_binomial): Change argument list to take a return type
8576 and change the type of K to unsigned int. Rewrite to avoid explicit
8577 evaluation of factorials, and (recursively) calling fold to perform
8578 compile-time arithmetic. Return NULL on (internal) overflow.
8579 (chrec_evaluate): Change type of K to an unsigned int. Avoid
8580 calling tree_fold_binomial unnecessarily. Return chrec_dont_know
8581 if any intermediate calculation overflows.
8582 (chrec_apply): Update call to chrec_evaluate.
8583
8584 2005-02-28 James E Wilson <wilson@specifixinc.com>
8585
8586 * config/mips/mips.h (NO_PROFILE_COUNTERS): Define.
8587
8588 2005-02-28 Joseph S. Myers <joseph@codesourcery.com>
8589
8590 PR c/20245
8591 * c-parser.c (c_parser_compound_statement): Return error_mark_node
8592 instead of NULL_TREE on error.
8593
8594 2005-02-28 David Edelsohn <edelsohn@gnu.org>
8595
8596 * config/rs6000/rs6000.c (EASY_VECTOR_15): Remove.
8597 (EASY_VECTOR_15_ADD_SELF): Remove.
8598 (num_insns_constant_wide): Not static.
8599 (validate_condition_mode): Not static.
8600 (toc_relative_expr_p): Not static.
8601 (legitimate_indirect_address_p): Not static.
8602 (macho_lo_sum_memory_operand): Not static.
8603 (invalid_e500_subreg): Not static.
8604 (easy_vector_same): Not static.
8605 (easy_vector_splat_const): Not static.
8606 (RS6000_SYMBOL_REF_TLS_P): Remove.
8607 (any_operand): Delete.
8608 (any_parallel_operand): Delete.
8609 (count_register_operand): Delete.
8610 (altivec_register_operand): Delete.
8611 (xer_operand): Delete.
8612 (s8bit_cint_operand): Delete.
8613 (short_cint_operand): Delete.
8614 (u_short_cint_operand): Delete.
8615 (non_short_cint_operand): Delete.
8616 (exact_log2_cint_operand): Delete.
8617 (gpc_reg_operand): Delete.
8618 (cc_reg_operand): Delete.
8619 (cc_reg_not_cr0_operand): Delete.
8620 (reg_or_short_operand): Delete.
8621 (reg_or_neg_short_operand): Delete.
8622 (reg_or_aligned_short_operand): Delete.
8623 (reg_or_u_short_operand): Delete.
8624 (reg_or_cint_operand): Delete.
8625 (reg_or_arith_cint_operand): Delete.
8626 (reg_or_add_cint64_operand): Delete.
8627 (reg_or_sub_cint64_operand): Delete.
8628 (reg_or_logical_cint_operand): Delete.
8629 (got_operand): Delete.
8630 (got_no_const_operand): Delete.
8631 (easy_fp_constant): Delete.
8632 (easy_vector_constant): Delete.
8633 (easy_vector_constant_add_self): Delete.
8634 (zero_constant): Delete.
8635 (zero_fp_constant): Delete.
8636 (volatile_mem_operand): Delete.
8637 (offsettable_mem_operand): Delete.
8638 (mem_or_easy_const_operand): Delete.
8639 (add_operand): Delete.
8640 (non_add_cint_operand): Delete.
8641 (logical_operand): Delete.
8642 (non_logical_cint_operand): Delete.
8643 (mask_operand): Delete.
8644 (mask_operand_wrap): Delete.
8645 (mask64_operand): Delete.
8646 (mask64_2_operand): Delete.
8647 (and64_operand): Delete.
8648 (and64_2_operand): Delete.
8649 (and_operand): Delete.
8650 (reg_or_mem_operand): Delete.
8651 (lwa_operand): Delete.
8652 (symbol_ref_operand): Delete.
8653 (call_operand): Delete.
8654 (current_file_function_operand): Delete.
8655 (input_operand): Delete.
8656 (rs6000_nonimmediate_operand): Delete.
8657 (rs6000_tls_symbol_ref): Delete.
8658 (save_world_operation): Delete.
8659 (restore_world_operation): Delete.
8660 (load_multiple_operation): Delete.
8661 (store_multiple_operation): Delete.
8662 (vrsave_operation): Delete.
8663 (mfcr_operation): Delete.
8664 (mtcrf_operation): Delete.
8665 (lmw_operation): Delete.
8666 (stmw_operation): Delete.
8667 (branch_comparison_operator): Delete.
8668 (branch_positive_comparison_operator): Delete.
8669 (scc_comparison_operator): Delete.
8670 (trap_comparison_operator): Delete.
8671 (boolean_operator): Delete.
8672 (boolean_or_operator): Delete.
8673 (min_max_operator): Delete.
8674 * config/rs6000/rs6000.h (RS6000_SYMBOL_REF_TLS_P): Move to here.
8675 (EASY_VECTOR_15): Moved to here.
8676 (EASY_VECTOR_15_ADD_SELF): Move to here.
8677 (PREDICATE_CODES): Delete.
8678 * config/rs6000/rs6000-protos.h: Delete predicate functions.
8679 Declare functions no longer static.
8680 * config/rs6000/predicates.md: New.
8681 * config/rs6000/rs6000.md: Include predicates.md
8682
8683 2005-02-28 Kazu Hirata <kazu@cs.umass.edu>
8684
8685 * calls.c (emit_call_1): Don't use REG_ALWAYS_RETURN.
8686 (emit_library_call_value_1): Don't use LCT_ALWAYS_RETURN and
8687 REG_ALWAYS_RETURN.
8688 * cfgrtl.c (need_fake_edge_p): Likewise.
8689 * combine.c (distribute_notes): Likewise.
8690 * emit-rtl.c (try_split): Likewise.
8691 * recog.c (peephole2_opimize): Likewise.
8692 * reg-notes.def (ALWAYS_RETURN): Remove.
8693 * rtl.h (LCT_ALWAYS_RETURN): Remove.
8694 * tree-cfg.c (need_fake_edge_p): Don't use ECF_ALWAYS_RETURN.
8695 * tree.h (ECF_ALWAYS_RETURN): Remove.
8696
8697 2005-02-28 Roger Sayle <roger@eyesopen.com>
8698
8699 PR middle-end/19874
8700 * tree-ssa.c (tree_ssa_useless_type_conversion_1): A conversion
8701 between different machine modes is never a "useless" conversion.
8702
8703 2005-02-28 Geert Bosch <bosch@gnat.com>
8704
8705 PR ada/15977
8706 * doc/contrib.texi: List contributors for Ada front end
8707
8708 2005-02-28 Paolo Bonzini <bonzini@gnu.org>
8709
8710 * simplify-rtx.c (simplify_unary_operation_1,
8711 simplify_const_unary_operation): New, extracted from...
8712 (simplify_unary_operation): ... this one.
8713 (simplify_binary_operation_1,
8714 simplify_const_binary_operation): New, extracted from...
8715 (simplify_binary_operation): ... this one.
8716 * rtl.h (simplify_const_unary_operation,
8717 simplify_const_binary_operation): Add prototypes.
8718
8719 2005-02-28 Julian Brown <julian@codesourcery.com>
8720
8721 * config/elfos.h: Revert my patch from 2005-02-25 since it broke
8722 building libjava and caused PR regression/20228.
8723
8724 2005-02-28 Paolo Bonzini <bonzini@gnu.org>
8725
8726 PR bootstrap/17383
8727 * Makefile.in (host_subdir): New.
8728 (build_objdir): New. Replace ../$(build_subdir) with it throughout.
8729 * configure: Regenerate.
8730
8731 2005-02-27 Zack Weinberg <zack@codesourcery.com>
8732
8733 * config/alpha/t-osf4, config/arm/t-netbsd, config/ia64/t-hpux
8734 * config/pa/t-hpux-shlib (SHLIB_INSTALL): Create the
8735 installation directory first.
8736
8737 2005-02-28 Hans-Peter Nilsson <hp@axis.com>
8738
8739 PR target/19065.
8740 * config/cris/cris.h (EXTRA_CONSTRAINT_Q): Accept only (mem (reg)),
8741 not including (reg). Do not check for reg being CRIS_PC_REGNUM.
8742 (EXTRA_MEMORY_CONSTRAINT): Define as 'Q'.
8743 * config/cris/cris.md: Tweak comments referring to Q.
8744 ("cmpsi", "cmphi", "cmpqi", "*movsi_internal", "movhi")
8745 ("movstricthi", "movqi", "movstrictqi", "movsf", "addsi3")
8746 ("addhi3", "addqi3", "subsi3", "subhi3", "subqi3")
8747 ("*expanded_andsi", "*expanded_andhi", "*andhi_lowpart", "andqi3")
8748 ("*andqi_lowpart", "iorsi3", "iorhi3", "iorqi3", "uminsi3"):
8749 Insert spaces in constraints to align alternatives vertically for
8750 readability.
8751 ("cmphi"): Ditto. Add separate alternative for operand 0 "r",
8752 operand 1: "M".
8753
8754 2005-02-27 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8755
8756 PR rtl-optimization/17728
8757 * pa.md (mulsi3, divsi3, udivsi3, modsi3): Change predicate for
8758 operand 0 from general_operand to move_dest_operand.
8759
8760 2005-02-26 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8761
8762 * pa/elf.h, pa/som.h (ASM_OUTPUT_EXTERNAL): Use assemble_name_raw
8763 instead of trying to save and restore TREE_SYMBOL_REFERENCED.
8764 * pa/pa64-hpux.h (ASM_OUTPUT_TYPE_DIRECTIVE): Define.
8765 (ASM_OUTPUT_EXTERNAL): Don't save and restore TREE_SYMBOL_REFERENCED.
8766
8767 2005-02-26 Nathanael Nerode <neroden@gcc.gnu.org>
8768
8769 * configure.ac: Rename cc_for_cross_gnattools to host_cc_for_libada.
8770 * configure: Regenerate.
8771 * libada-mk.in: Remove CC; rename
8772 cc_for_cross_gnattools / cc_set_by_configure to host_cc_for_libada.
8773
8774 2005-02-26 Andrew Pinski <pinskia@physics.uc.edu>
8775
8776 PR tree-opt/20188
8777 * tree-ssa-alias.c (count_uses_and_derefs): If we have TREE_LIST
8778 for the lhs, also walk over the tree. Likewise for rhs.
8779
8780 2005-02-26 Zdenek Dvorak <dvorakz@suse.cz>
8781
8782 * tree-ssa-dom.c (simple_iv_increment_p): New function.
8783 (simplify_rhs_and_lookup_avail_expr, eliminate_redundant_computations):
8784 Do not propagate value of iv before increment over the increment.
8785
8786 2005-02-25 Joseph S. Myers <joseph@codesourcery.com>
8787
8788 * c-parser.c: New file.
8789 * c-parse.in: Remove.
8790 * Makefile.in (c-parse.o-warn, c-parse.o, c-parse.c, c-parse.y):
8791 Remove.
8792 (c-parser.o): Add dependencies.
8793 (C_AND_OBJC_OBJC, C_OBJS, gcc.srcextra, GTFILES, distclean,
8794 maintainer-clean, TAGS): Update.
8795 * c-config-lang.in (gtfiles): Update.
8796 * gengtype-lex.l: Don't handle "@@".
8797 * stub-objc.c (objc_get_class_ivars, objc_build_throw_stmt,
8798 objc_build_synchronized, objc_begin_try_stmt,
8799 objc_begin_catch_clause, objc_finish_catch_clause,
8800 objc_build_finally_clause, objc_finish_try_stmt): New.
8801 * c-tree.h (struct c_declspecs): Add declspecs_seen_p and
8802 type_seen_p.
8803 (c_parse_init): Update comment.
8804 * c-decl.c (c_init_decl_processing): Update comment.
8805 (build_null_declspecs, declspecs_add_qual, declspecs_add_type,
8806 declspecs_add_scspec, declspecs_add_attrs): Initialize and update
8807 new c_declspecs members.
8808
8809 2005-02-25 Julian Brown <julian@codesourcery.com>
8810
8811 * config/elfos.h (MAKE_DECL_ONE_ONLY): Redefined to stop DECL_WEAK
8812 from being used for symbols with vague linkage when
8813 HAVE_GAS_COMDAT_GROUP is true.
8814
8815 2005-02-25 Mark Mitchell <mark@codesourcery.com>
8816
8817 * doc/include/gcc-common.texi (version-GCC): Update to 4.1.
8818
8819 2005-02-25 Steve Ellcey <sje@cup.hp.com>
8820
8821 PR target/19930
8822 * doc/tm.texi (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Document.
8823 (LIBGCC2_HAS_DF_MODE): New.
8824 (LIBGCC2_HAS_XF_MODE): New.
8825 (LIBGCC2_HAS_TF_MODE): New.
8826 * libgcc2.h (LIBGCC2_HAS_XF_MODE): New name for HAVE_XFMODE.
8827 (LIBGCC2_HAS_TF_MODE): New name for HAVE_TFMODE.
8828 * libgcc2.c (LIBGCC2_HAS_XF_MODE): New name for HAVE_XFMODE.
8829 (LIBGCC2_HAS_TF_MODE): New name for HAVE_TFMODE.
8830 (LIBGCC2_HAS_DF_MODE): New name for HAVE_DFMODE.
8831 * config/ia64/t-ia64 (LIB1ASMFUNCS): Remove __compat
8832 and add _fixtfdi, _fixunstfdi, _floatditf
8833 * lib1funcs.asm: Remove L__compat. Add L_fixtfdi,
8834 L_fixunstfdi, L_floatditf.
8835 * config/ia64/hpux.h (LIBGCC2_HAS_XF_MODE): Define.
8836 (LIBGCC2_HAS_TF_MODE): Define.
8837
8838 2005-02-25 Diego Novillo <dnovillo@redhat.com>
8839
8840 PR tree-optimization/20204
8841 * tree-into-ssa.c (insert_phi_nodes_for): Do not use
8842 REWRITE_THIS_STMT markers on PHI nodes.
8843 (rewrite_initialize_block): Likewise.
8844
8845 2005-02-25 Mark Mitchell <mark@codesourcery.com>
8846
8847 * version.c (version_string): Update to 4.1.
8848
8849 2005-02-25 Paolo Carlini <pcarlini@suse.de>
8850
8851 * doc/extend.texi (5.24 Declaring Attributes of Functions)<noreturn>:
8852 Clarify that the alternative way doesn't work in GNU C++.
8853
8854 2005-02-25 Zdenek Dvorak <dvorakz@suse.cz>
8855
8856 PR tree-optimization/19937
8857 * tree-ssa-loop-ivopts.c (rewrite_use_compare): Cast the final value
8858 to the type of the induction variable.
8859
8860 2005-02-25 Kaz Kojima <kkojima@gcc.gnu.org>
8861
8862 PR rtl-optimization/20117
8863 * bb-reorder.c (duplicate_computed_gotos): Don't duplicate
8864 the block including noncopyable insn.
8865
8866 2005-02-24 Kazu Hirata <kazu@cs.umass.edu>
8867
8868 * cse.c (delete_trivially_dead_insns): Speed up by minimizing
8869 calls to find_reg_note.
8870
8871 2005-02-24 Richard Henderson <rth@redhat.com>
8872
8873 PR tree-opt/20127
8874 * tree-sra.c (instantiate_element): Copy TREE_THIS_VOLATILE from
8875 the type.
8876
8877 2005-02-24 Fariborz Jahanian <fjahanian@apple.com>
8878
8879 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Check for
8880 vector types if to use base reg for misaligned non-word ld/std.
8881
8882 2005-02-24 Hans-Peter Nilsson <hp@axis.com>
8883
8884 PR target/14619
8885 * config/cris/cris.c (cris_target_asm_function_prologue): Create
8886 dwarf2 label manually and put it after, not before the prologue.
8887
8888 2005-02-24 David Edelsohn <edelsohn@gnu.org>
8889
8890 PR target/19019
8891 * reload.c (operands_match_p): Only increment register number for
8892 SCALAR_INT_MODE_P modes in multiple hard registers.
8893
8894 * config/rs6000/rs6000.md (trunctfdf2): Remove register constraints.
8895 Fix formatting.
8896
8897 2005-02-24 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8898
8899 * ChangeLog.5: Fix log message typo(s).
8900 * ChangeLog.7: Likewise.
8901 * ChangeLog.tree-ssa: Likewise.
8902 * cfgexpand.c: Fix comment typo(s).
8903 * conflict.c: Likewise.
8904 * defaults.h: Likewise.
8905 * dwarf2out.c: Likewise.
8906 * gcse.c: Likewise.
8907 * ggc-page.c: Likewise.
8908 * tree-eh.c: Likewise.
8909 * tree-ssa-dom.c: Likewise.
8910
8911 2005-02-24 Jakub Jelinek <jakub@redhat.com>
8912
8913 PR target/19019
8914 * mklibgcc.in: Pass -DSHARED when compiling all *_s${objext} objects.
8915 * config/rs6000/darwin-ldouble.c: Only use the .symver directives
8916 if SHARED is defined.
8917
8918 PR target/20196
8919 * config/rs6000/rs6000.md (LTU, GTU sCC splitters): Add earlyclobber,
8920 allow splitting only if operands 0 and 3 don't overlap.
8921
8922 2005-02-24 Richard Henderson <rth@redhat.com>
8923
8924 PR middle-end/19953
8925 * builtins.c (fold_builtin_complex_mul, fold_builtin_complex_div): New.
8926 (fold_builtin_1): Call them.
8927 * fold-const.c (fold_complex_mult_parts): Split out from ...
8928 (fold_complex_mult): ... here. Fix typo in both imaginary case.
8929 (fold_complex_div_parts, fold_complex_div): New.
8930 (fold): Use them.
8931 * tree.h (fold_complex_mult_parts, fold_complex_div_parts): Declare.
8932
8933 2005-02-24 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8934
8935 * tree-ssa-ccp.c (visit_assignment): Verify that result of
8936 VIEW_CONVERT_EXPR is_gimple_min_invariant.
8937
8938 * print-tree.c (print_node_brief): Print LABEL_DECL_UID.
8939 (print_node): Likewise.
8940 Print TYPE_SIZES_GIMPLIFIED.
8941
8942 2005-02-24 Hans-Peter Nilsson <hp@axis.com>
8943
8944 * config/cris/cris.md ("umulhisi3", "umulqihi3", "mulsi3")
8945 ("mulqihi3", "mulhisi3", "mulsidi3", "umulsidi3"): Mark input
8946 operands as commutative in constraints.
8947
8948 2005-02-24 Diego Novillo <dnovillo@redhat.com>
8949
8950 * tree-into-ssa.c: Re-organize internal functions.
8951
8952 2005-02-24 Richard Henderson <rth@redhat.com>
8953
8954 PR middle-end/18902
8955 * c-opts.c (c_common_post_options): Set flag_complex_method to 2
8956 for c99.
8957 * common.opt (fcx-limited-range): New.
8958 * opts.c (set_fast_math_flags): Set flag_cx_limited_range.
8959 * toplev.c (flag_complex_method): Initialize to 1.
8960 (process_options): Set flag_complex_method to 0 if
8961 flag_cx_limited_range.
8962 * doc/invoke.texi (-fcx-limited-range): New.
8963
8964 2005-02-24 Kazu Hirata <kazu@cs.umass.edu>
8965
8966 * cse.c (delete_trivially_dead_insns): Speed up by using
8967 NEXT_INSN and PREV_INSN directly instead of next_real_insn and
8968 prev_real_insn.
8969
8970 2005-02-24 Andrea Tarani <andrea.tarani@gilbarco.com>
8971
8972 * config/m68k/m68k.c (m68k_save_reg): Also save A5 for non-leaf
8973 functions when -mid-shared-library is being used.
8974
8975 2005-02-23 Daniel Jacobowitz <dan@codesourcery.com>
8976
8977 * doc/tm.texi (LINK_LIBGCC_SPECIAL): Remove.
8978 (LINK_LIBGCC_SPECIAL_1): Don't mention it.
8979 * gcc.c: Don't check for LINK_LIBGCC_SPECIAL.
8980 * system.h: Poison LINK_LIBGCC_SPECIAL.
8981
8982 2005-02-23 James E Wilson <wilson@specifixinc.com>
8983
8984 * gengtype.c (note_insn_name): Make 1 element larger.
8985
8986 2005-02-23 Roger Sayle <roger@eyesopen.com>
8987
8988 PR target/20018
8989 PR rtl-optimization/20097
8990 * simplify-rtx.c (simplify_relational_operation_1): Avoid creating
8991 BImode SUBREGs of SImode registers which confuse the ia64 backend.
8992
8993 2005-02-23 David Edelsohn <edelsohn@gnu.org>
8994
8995 * t-aix43 (SHLIB_INSTALL): Create directory for shared library.
8996 * t-aix52 (SHLIB_INSTALL): Same.
8997
8998 2005-02-23 Kazu Hirata <kazu@cs.umass.edu>
8999
9000 * genpreds.c: Update copyright.
9001
9002 2005-02-23 Michael Beach <michaelb@ieee.org>
9003
9004 PR target/20159
9005 * config/sparc/t-elf (startup files): Assemble with CPP.
9006
9007 2005-02-23 Paolo Bonzini <bonzini@gnu.org>
9008
9009 * genpreds.c (mark_mode_tests): Handle non-VOIDmode match_operands.
9010 (write_predicate_expr): Likewise.
9011
9012 2005-02-22 Diego Novillo <dnovillo@redhat.com>
9013
9014 PR tree-optimization/20100
9015 PR tree-optimization/20115
9016 * tree-optimize.c (init_tree_optimization_passes): Remove
9017 pass_maybe_create_global_var.
9018 * tree-pass.h (pass_maybe_create_global_var): Remove.
9019 * tree-ssa-alias.c (aliases_computed_p): Declare.
9020 (struct alias_info): Add field NUM_PURE_CONST_CALLS_FOUND.
9021 (count_calls_and_maybe_create_global_var): Remove.
9022 (pass_maybe_create_global_var): Remove.
9023 (init_alias_info): Do not declare aliases_computed_p.
9024 (maybe_create_global_var): If the function contains no
9025 call-clobbered variables and a mix of pure/const and regular
9026 function calls, create .GLOBAL_VAR.
9027 Mark all call-clobbered variables for renaming.
9028 (merge_pointed_to_info): Update comment.
9029 (add_pointed_to_var): Likewise.
9030 (is_escape_site): Likewise.
9031 Accept struct alias_info * instead of size_t *.
9032 Update all users.
9033 Update AI->NUM_CALLS_FOUND and AI->NUM_PURE_CONST_CALLS_FOUND
9034 as necessary.
9035 * tree-ssa-operands.c (get_call_expr_operands): If
9036 ALIASES_COMPUTED_P is false, do not add call-clobbering
9037 operands.
9038 * tree-ssa.c (init_tree_ssa): Set ALIASES_COMPUTED_P to false.
9039 (delete_tree_ssa): Likewise.
9040
9041 2005-02-22 James E Wilson <wilson@specifixinc.com>
9042
9043 * toplev.c (backend_init): Don't call init_adjust_machine_modes here.
9044 (do_compile): Do call it here.
9045
9046 2005-02-22 Kazu Hirata <kazu@cs.umass.edu>
9047
9048 PR rtl-optimization/20017.
9049 * passes.c (rest_of_handle_combine, rest_of_handle_cse,
9050 rest_of_handle_cse2, rest_of_handle_gcse): Call
9051 delete_dead_jumptables immediately before calling cleanup_cfg.
9052
9053 2005-02-22 Devang Patel <dpatel@apple.com>
9054
9055 PR 19952
9056 * tree-if-conv.c (process_phi_nodes): Use bsi_after_labels and skip
9057 all labels
9058
9059 2005-02-22 David Edelsohn <edelsohn@gnu.org>
9060
9061 * config/rs6000/aix.h (WINT_TYPE): Define.
9062
9063 2005-02-22 Stan Shebs <shebs@apple.com>
9064
9065 * config/rs6000/rs6000.c (rs6000_override_options): Default to
9066 natural alignment for 64-bit Darwin.
9067 (rs6000_parse_alignment_option): Warn about uses of -malign-power
9068 on 64-bit Darwin.
9069 * doc/invoke.texi: Document this.
9070
9071 2005-02-22 DJ Delorie <dj@redhat.com>
9072
9073 * c-common.c (c_common_type_for_mode): Pass the mode's precision
9074 to make_[un]signed_type, not the mode itself.
9075
9076 2005-02-22 Kazu Hirata <kazu@cs.umass.edu>
9077
9078 * cfg.c (cached_make_edge): Call make_edge if edge cache is
9079 not available. Use tail calls wherever possible.
9080 (make_edge): Call unchecked_make_edge to create an edge.
9081
9082 * tree-outof-ssa.c (SSANORM_USE_COALESCE_LIST): Remove.
9083 (coalesce_ssa_name): Don't check for
9084 SSANORM_USE_COALESCE_LIST.
9085 (rewrite_out_of_ssa): Don't use SSANORM_USE_COALESCE_LIST.
9086
9087 2005-02-22 Diego Novillo <dnovillo@redhat.com>
9088
9089 * tree-into-ssa.c (rewrite_blocks): Move debug dumps from ...
9090 (rewrite_into_ssa): ... here.
9091
9092 2005-02-21 Alexandre Oliva <aoliva@redhat.com>
9093
9094 PR tree-optimization/19786
9095 * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add one
9096 tag to another's may-alias bitmap when adding to the other's list.
9097
9098 2005-02-21 DJ Delorie <dj@redhat.com>
9099
9100 * tree-ssa-loop-ivopts.c (computation_cost): Start register
9101 numbering at LAST_VIRTUAL_REGISTER+1 to avoid possibly using hard
9102 registers in unsupported ways.
9103 * expmed.c (init_expmed): Likewise.
9104
9105 2005-02-21 Stan Cox <scox@redhat.com>
9106
9107 * config/iq2000/iq2000.h (DWARF_FRAME_RETURN_COLUMN): Change to 31.
9108
9109 2005-02-21 Kazu Hirata <kazu@cs.umass.edu>
9110
9111 * tree-cfg.c (fold_cond_expr_cond): New.
9112 (make_edges): Call fold_cond_expr_cond.
9113 (find_taken_edge): Accept nothing but INTEGER_CST.
9114 (find_taken_edge_cond_expr): Reject INTEGER_CST other than 0
9115 and 1.
9116 (find_taken_edge_switch_expr): Remove a check for INTEGER_CST.
9117
9118 * flow.c (delete_dead_jumptables): Speed up by scanning insns
9119 that do not belong to any basic block.
9120
9121 2005-02-21 Jeff Law <law@redhat.com>
9122
9123 * cfganal.c (find_unreachable_blocks): Manually CSE load of
9124 e->dest.
9125
9126 2005-02-21 Kazu Hirata <kazu@cs.umass.edu>
9127
9128 * tree-outof-ssa.c (SSANORM_REMOVE_ALL_PHIS): Remove.
9129 (SSANORM_COALESCE_PARTITIONS, SSANORM_USE_COALESCE_LIST):
9130 Adjust their definitions.
9131 (remove_ssa_form): Don't check for SSANORM_REMOVE_ALL_PHIS.
9132 (rewrite_out_of_ssa): Don't use SSANORM_REMOVE_ALL_PHIS.
9133
9134 * c-objc-common.h, c-pretty-print.c, cgraphunit.c, except.c,
9135 genautomata.c, langhooks.c, langhooks.h, system.h,
9136 config/arm/lib1funcs.asm: Update copyright.
9137
9138 2005-02-21 Ulrich Weigand <uweigand@de.ibm.com>
9139
9140 * dbxout.c (dbxout_function_end): Emit Lscope label always.
9141
9142 2005-02-21 Richard Guenther <rguenth@gcc.gnu.org>
9143
9144 PR bootstrap/13770
9145 * doc/install.texi: Document --with-gc.
9146
9147 2005-02-21 Paolo Bonzini <bonzini@gnu.org>
9148
9149 * simplify-rtx.c (simplify_unary_operation): Add a missing
9150 "break" statement.
9151
9152 2005-02-21 Eric Botcazou <ebotcazou@libertysurf.fr>
9153
9154 PR tree-optimization/18663
9155 * tree-ssa-dom.c (extract_range_from_cond): Return 0
9156 if the type has variable bounds.
9157
9158 2005-02-20 Kazu Hirata <kazu@cs.umass.edu>
9159
9160 * gcse.c: Remove an obsolete comment.
9161
9162 * cse.c (init_cse_reg_info): Use xmalloc instead of xrealloc.
9163
9164 2005-02-20 Hans-Peter Nilsson <hp@axis.com>
9165
9166 * doc/extend.texi (Function Attributes) <Attribute const>: The
9167 attribute "pure" is below this text, not above.
9168
9169 2005-02-20 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9170
9171 * pa.c (pa_assemble_integer, get_plabel): Small cleanups.
9172 (pa_asm_output_mi_thunk): Use asm_output_insn instead of fprintf.
9173 * som.h (ASM_OUTPUT_EXTERNAL_LIBCALL): Small cleanup.
9174
9175 2005-02-20 Zack Weinberg <zack@codesourcery.com>
9176
9177 PR 18785
9178 * langhooks.h (struct lang_hooks): Add to_target_charset.
9179 * langhooks.c (lhd_to_target_charset): New function.
9180 * langhooks-def.h: Declare lhd_to_target_charset.
9181 (LANG_HOOKS_TO_TARGET_CHARSET): New macro.
9182 (LANG_HOOKS_INITIALIZER): Update.
9183 * c-common.c (c_common_to_target_charset): New function.
9184 * c-common.h: Declare it.
9185 * c-objc-common.h (LANG_HOOKS_TO_TARGET_CHARSET): Set to
9186 c_common_to_target_charset.
9187
9188 * defaults.c (TARGET_BELL, TARGET_BS, TARGET_CR, TARGET_DIGIT0)
9189 (TARGET_ESC, TARGET_FF, TARGET_NEWLINE, TARGET_TAB, TARGET_VT):
9190 Delete definitions.
9191 * system.h: Poison them.
9192 * doc/tm.texi: Don't discuss them.
9193 * builtins.c (fold_builtin_isdigit): Use lang_hooks.to_target_charset.
9194 * c-pretty-print.c (pp_c_integer_constant): Don't use pp_c_char.
9195 (pp_c_char): Do not attempt to generate letter escapes for
9196 newline, tab, etc.
9197 * config/arm/arm.c (output_ascii_pseudo_op): Likewise.
9198 * config/mips/mips.c (mips_output_ascii): Likewise.
9199
9200 2005-02-20 Dorit Naishlos <dorit@il.ibm.com>
9201
9202 PR tree-optimization/19951
9203 * tree-vect-analyze.c (vect_analyze_loop_form): Check if loop exit edge
9204 is abnormal.
9205
9206 2005-02-19 Steven Bosscher <stevenb@suse.de>
9207
9208 PR middle-end/19698
9209 * function.h (struct function): New field `max_loop_depth'.
9210 * cfgloop.c (establish_preds): Update maximum loop depth seen so far.
9211 (flow_loops_find): Reset the max loop depth count before finding loops.
9212 * flow.c (MAX_LIVENESS_ROUNDS): New constant.
9213 (update_life_info_in_dirty_blocks): Remove 2002-05-28 workaround.
9214 (calculate_global_regs_live): Make sure the loop will terminate
9215 when the initial sets are not empty.
9216
9217 2005-02-19 Zack Weinberg <zack@codesourcery.com>
9218
9219 * mklibgcc.in: If libgcc_eh.a would be empty, put a dummy
9220 object inside.
9221 * config/ia64/hpux.h: Don't define LIBGCC_SPEC.
9222
9223 2005-02-19 Richard Sandiford <rsandifo@redhat.com>
9224
9225 PR other/19525
9226 * doc/invoke.texi: Remove documentation of %M spec.
9227 * gcc.c: Likewise.
9228 (init_spec): Remove %M suffix from -lgcc_s.
9229 (do_spec_1): Remove 'M' case.
9230 * mklibgcc.in: Remove SHLIB_MULTILIB handling. Expect SHLIB_LINK
9231 to put shared libraries in the multilib directory. Remove the
9232 shlib_so_soname substitution variable. Don't add a multilib encoding
9233 to shlib_base_name. Set shlib_slibdir_qual to the full pathname
9234 reported by -print-multi-os-directory. Pass @multilib_dir@ to
9235 SHLIB_INSTALL as well as SHLIB_LINK.
9236 * config/t-slibgcc-elf-ver (SHLIB_SONAME): Use @shlib_base_name@.
9237 (SHLIB_NAME): Delete.
9238 (SHLIB_DIR): New macro.
9239 (SHLIB_LINK): Put $(SHLIB_SONAME) and $(SHLIB_SOLINK) in $(SHLIB_DIR).
9240 (SHLIB_INSTALL): Adjust accordingly.
9241 * config/t-slibgcc-darwin: As for t-slibgcc-elf-ver.
9242 * config/t-slibgcc-sld: Likewise.
9243 * config/t-libunwind-elf (SHLIBUNWIND_NAME): Delete.
9244 (SHLIBUNWIND_SONAME): Use @shlib_base_name@.
9245 (SHLIBUNWIND_LINK): Put $(SHLIBUNWIND_SONAME) and $(SHLIB_SOLINK)
9246 in $(SHLIB_DIR).
9247 (SHLIBUNWIND_INSTALL): Adjust accordingly.
9248 * config/i386/t-nwld (SHLIB_SONAME): Delete.
9249 (SHLIB_LINK, SHLIB_INSTALL): Use SHLIB_NAME instead of SHLIB_SONAME.
9250 Use @shlib_base_name@ instead of @shlib_so_name@.
9251 * config/ia64/t-hpux (SHLIB_LINK): Put @shlib_base_name@.so.0
9252 and @shlib_base_name@.so in @multilib_dir@.
9253 (SHLIB_INSTALL): Adjust accordingly. Add @shlib_slibdir_qual@
9254 to the install path.
9255 * config/mips/t-slibgcc-irix: As for t-slibgcc-elf-ver.
9256 (SHLIB_LINK): Remove previous workaround.
9257 * config/pa/t-hpux-shlib (SHLIB_DIR, SHLIB_SLIBDIR_QUAL): New macros.
9258 (SHLIB_LINK): Put $(SHLIB_SONAME) and $(SHLIB_NAME) in $(SHLIB_DIR).
9259 (SHLIB_INSTALL): Adjust accordingly. Add $(SHLIB_SLIBDIR_QUAL) to
9260 the install path.
9261 * config/rs6000/t-aix43 (SHLIB_LINK): Put @shlib_base_name@.a in
9262 @multilib_dir@. Use @multilib_dir@ to check for threading libraries.
9263 (SHLIB_INSTALL): Adjust accordingly.
9264 (SHLIB_LIBS): Use @multilib_dir@ to check for threading libraries.
9265 * config/rs6000/t-aix52: As for config/rs6000/t-aix43.
9266 * config/sh/t-linux (SHLIB_LINK, SHLIB_INSTALL): As for
9267 config/t-slibgcc-elf-ver.
9268
9269 2005-02-19 Zdenek Dvorak <dvorakz@suse.cz>
9270 Jakub Jelinek <jakub@redhat.com>
9271
9272 PR tree-optimization/19828
9273 * tree-ssa-loop-im.c: Add a TODO comment.
9274 (movement_possibility): Return MOVE_PRESERVE_EXECUTION for calls
9275 without side-effects.
9276
9277 2005-02-18 James A. Morrison <phython@gcc.gnu.org>
9278
9279 * tree-ssa-ccp.c (widen_bitfield): Pass type to build_int_cst and don't
9280 call fold_convert.
9281
9282 2005-02-18 James E. Wilson <wilson@specifixinc.com>
9283
9284 * doc/invoke.texi (IA-64 Options): Delete -mb-step.
9285 * config/ia64/ia64.c (last_group, group_idx): Delete variables.
9286 (errata_find_address_regs, errata_emit_nops, fixup_errata): Delete
9287 functions.
9288 (ia64_reorg): Delete fixup_errata call.
9289 * config/ia64/ia64.h (MASK_B_STEP, TARGET_B_STEP): Delete.
9290 (TARGET_SWITCHES): Delete -mb-step entry.
9291
9292 2005-02-19 Jakub Jelinek <jakub@redhat.com>
9293
9294 PR c/20043
9295 * c-typeck.c (composite_type): Handle quals in transparent unions.
9296 (type_lists_compatible_p): Likewise.
9297
9298 2005-02-18 Stan Shebs <shebs@apple.com>
9299
9300 * config/darwin.c (machopic_select_rtx_section): Don't put relocatable
9301 expressions in the .literal8 section.
9302
9303 2005-02-18 Geoffrey Keating <geoffk@apple.com>
9304
9305 * config/rs6000/darwin-tramp.asm: Remove stray 'APPLE LOCAL' marker.
9306
9307 2005-02-18 Roger Sayle <roger@eyesopen.com>
9308
9309 * fold-const.c (constant_boolean_node): Always create values of the
9310 specified type, don't bother calling truthvalue_conversion.
9311
9312 2005-02-18 Joseph S. Myers <joseph@codesourcery.com>
9313
9314 * except.c (output_function_exception_table): Call
9315 assemble_external_libcall (eh_personality_libfunc).
9316
9317 2005-02-18 Joseph S. Myers <joseph@codesourcery.com>
9318
9319 PR target/19886
9320 * config/ia64/ia64.h (struct machine_function): Add state_num.
9321 * config/ia64/ia64.c (process_epilogue,
9322 process_for_unwind_directive): Use new unwind state numbers each
9323 time rather than state 1.
9324
9325 2005-02-18 Ulrich Weigand <uweigand@de.ibm.com>
9326
9327 PR target/20054
9328 * config/s390/s390.md ("*llgt_sidi", "*llgt_sidi_split"): Move to
9329 before the "*llgt_didi" pattern.
9330
9331 2005-02-18 Jason Merrill <jason@redhat.com>
9332
9333 * gimplify.c (gimplify_modify_expr_rhs) [CALL_EXPR]: Revert again.
9334
9335 2005-02-18 Richard Earnshaw <rearnsha@arm.com>
9336
9337 * arm/lib1funcs.asm (FUNC_ALIAS): New macro.
9338 (div0): Use it in place of ARM_FUNC_ALIAS.
9339 (lshrdi3, ashrdi3, ashlrdi3): Likewise.
9340
9341 2005-02-18 Andrew Pinski <pinskia@physics.uc.edu>
9342
9343 PR middle-end/20030
9344 * fold-const.c (fold_indirect_ref_1): Use the correct index for zero
9345 access, the lower bound of the array type if it exists.
9346
9347 2005-02-18 Alexandre Oliva <aoliva@redhat.com>
9348
9349 PR c++/20008
9350 * stmt.c (expand_case): Don't assume cleanup_tree_cfg will remove
9351 cases that are out-of-range for the index type.
9352
9353 2005-02-18 James A. Morrison <phython@gcc.gnu.org>
9354
9355 * stmt.c (emit_case_bit_tests): Call fold_convert instead of convert.
9356 (estimate_case_costs): Don't call convert.
9357 * expmed.c (expand_shift): Likewise.
9358 (make_tree): Call fold_convert instead of convert.
9359
9360 2005-02-18 Jakub Jelinek <jakub@redhat.com>
9361
9362 PR c++/19813
9363 * emit-rtl.c (set_mem_attributes_minus_bitpos): Add assertion
9364 that ref to be marked MEM_READONLY_P doesn't have base that needs
9365 constructing.
9366
9367 2005-02-18 Joseph S. Myers <joseph@codesourcery.com>
9368
9369 * genautomata.c (output_get_cpu_unit_code_func,
9370 output_cpu_unit_reservation_p): Don't generate old-style function
9371 definitions.
9372
9373 2005-02-18 Jakub Jelinek <jakub@redhat.com>
9374
9375 PR c++/20023
9376 PR tree-optimization/20009
9377 * convert.c (convert_to_integer): Revert 2005-02-16 change.
9378
9379 PR tree-optimization/18947
9380 * cgraphunit.c (cgraph_finalize_function): When redefining an extern
9381 inline, remove all nodes that are inlined into the extern inline
9382 being redefined.
9383
9384 2005-02-17 Kazu Hirata <kazu@cs.umass.edu>
9385
9386 * bt-load.c, cfgloop.c, convert.c, dominance.c, global.c,
9387 loop-invariant.c, stmt.c, tree-ssa-forwprop.c,
9388 tree-ssa-live.c, tree-ssanames.c, tree-vn.c,
9389 config/host-linux.c, config/arm/fpa.md, config/avr/avr.h:
9390 Update copyright.
9391
9392 2005-02-17 Roger Sayle <roger@eyesopen.com>
9393
9394 PR tree-optimization/19917
9395 * tree-eh.c (tree_could_trap_p): Consider calls to weak functions
9396 to be potentially trapping.
9397
9398 2005-02-17 Kazu Hirata <kazu@cs.umass.edu>
9399
9400 * libgcc2.c, tree-vect-analyze.c: Fix comment typos.
9401
9402 2005-02-17 Andreas Krebbel <krebbel1@de.ibm.com>
9403
9404 * builtins.c (expand_builtin_return_addr): Remove tem parameter.
9405 tem becomes a local variable which is set to the value of the
9406 back end defined INITIAL_FRAME_ADDRESS macro.
9407 (expand_builtin_frame_address): Omit the base parameter to
9408 expand_builtin_return_addr.
9409 (expand_builtin_profile_func): Likewise.
9410 * config/s390/s390.h (INITIAL_FRAME_ADDRESS_RTX): Define new macro.
9411 (DYNAMIC_CHAIN_ADDRESS): Remove the case for the initial frame.
9412 * doc/tm.texi: Documentation for INITIAL_FRAME_ADDRESS_RTX added.
9413
9414 2005-02-17 Jakub Jelinek <jakub@redhat.com>
9415
9416 * config/s390/s390.c (s390_alloc_pool, s390_free_pool,
9417 s390_chunkify_start): Use BITMAP_ALLOC and BITMAP_FREE.
9418 * config/frv/frv.c (frv_function_epilogue): Likewise.
9419
9420 2005-02-17 Daniel Berlin <dberlin@dberlin.org>
9421
9422 * lambda-code (perfect_nestify): Remove mark/unmark
9423 for rewriting hack.
9424 * tree-loop-linear.c (linear_transform_loops): Add
9425 rewrite_into_ssa call so that ssa is correct for
9426 rewriting into loop closed.
9427
9428 2005-02-17 Nathan Sidwell <nathan@codesourcery.com>
9429
9430 * bitmap.h (BITMAP_XMALLOC, BITMAP_XFREE): Remove.
9431 * bb-reorder.c (duplicate_computed_gotos): Use BITMAP_ALLOC and
9432 BITMAP_FREE.
9433 * bt-load.c (btr_def_live_range, combine_btr_defs,
9434 migrate_btr_def, migrate_btr_defs): Likewise.
9435 * cfgcleanup.c (thread_jump): Likewise.
9436 * cfgloop.c (get_loop_body_in_bfs_order): Likewise.
9437 * df.c (df_insn_table_realloc, df_bitmaps_alloc, df_bitmaps_free,
9438 df_alloc, df_free, df_du_chain_create, df_bb_rd_local_compute,
9439 df_rd_local_compute, df_reg_info_compute): Likewise.
9440 * dominance.c (init_dom_info, free_dom_info): Likewise.
9441 * flow.c (init_propagate_block_info,
9442 free_propagate_block_info): Likewise.
9443 * gcse.c (alloc_gcse_mem, free_gcse_mem): Likewise.
9444 * global.c (allocate_bb_info, free_bb_info, calculate_reg_pav,
9445 modify_reg_pav): Likewise.
9446 * loop-invariant.c (find_defs, find_invariant_insn,
9447 find_invariants, free_inv_motion_data): Likewise.
9448 * predict.c (tree_predict_by_opcode,
9449 estimate_bb_frequencies): Likewise.
9450 * stmt.c (expand_case): Likewise.
9451 * tree-cfg.c (tree_duplicate_sese_region): Likewise.
9452 * tree-dfa.c (mark_new_vars_to_rename): Likewise.
9453 * tree-if-conv.c (get_loop_body_in_if_conv_order): Likewise.
9454 * tree-into-ssa.c (insert_phi_nodes_for, def_blocks_free,
9455 get_def_blocks_for, mark_def_site_blocks, rewrite_into_ssa,
9456 rewrite_ssa_into_ssa): Likewise.
9457 * tree-optimize.c (tree_rest_of_compilation): Likewise.
9458 * tree-outof-ssa.c (new_temp_expr_table, free_temp_expr_table,
9459 analyze_edges_for_bb, perform_edge_inserts): Likewise.
9460 * tree-scalar-evolution.c (scev_initialize, scev_finalize): Likewise.
9461 * tree-sra.c (tree_sra): Likewise.
9462 * tree-ssa-alias.c (init_alias_info, delete_alias_info): Likewise.
9463 * tree-ssa-ccp.c (ccp_fold_builtin): Likewise.
9464 * tree-ssa-dce.c (tree_dce_init, tree_dce_done): Likewise.
9465 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Likewise.
9466 * tree-ssa-dse.c (tree_ssa_dse): Likewise.
9467 * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_var):
9468 Likewise.
9469 * tree-ssa-live.c (new_tree_live_info, delete_tree_live_info,
9470 calculate_live_on_entry, calculate_live_on_exit,
9471 build_tree_conflict_graph): Likewise.
9472 * tree-ssa-loop-ivopts.c (tree_ssa_iv_optimize_init, record_use,
9473 record_important_candidates, set_use_iv_cost, find_depends,
9474 determine_use_iv_costs, iv_ca_new, iv_ca_free, free_loop_data,
9475 tree_ssa_iv_optimize_finalize): Likewise.
9476 * tree-ssa-loop-manip.c (add_exit_phis_var, get_loops_exit,
9477 find_uses_to_rename_use, rewrite_into_loop_closed_ssa,
9478 tree_duplicate_loop_to_header_edge): Likewise.
9479 * tree-ssa-pre.c (init_pre, fini_pre): Likewise.
9480 * tree-ssa.c (verify_flow_insensitive_alias_info,
9481 verify_name_tags, verify_ssa, init_tree_ssa,
9482 delete_tree_ssa): Likewise.
9483 * tree-ssanames.c (marked_ssa_names, init_ssanames,
9484 fini_ssanames): Likewise.
9485 * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Likewise.
9486
9487 2005-02-17 Ralf Corsepius <ralf.corsepius@rtems.org>
9488
9489 * config/rs6000/t-rtems: Completely reworked.
9490
9491 2005-02-17 Ira Rosen <irar@il.ibm.com>
9492
9493 * tree-data-ref.c (array_base_name_differ_p): Remove gcc_assert.
9494
9495 2005-02-17 Ira Rosen <irar@il.ibm.com>
9496
9497 * tree-vect-analyze.c (vect_analyze_pointer_ref_access): Use
9498 POINTER_TYPE_P when checking that type is a pointer.
9499 (vect_get_memtag): Remove.
9500 (vect_address_analysis): Use POINTER_TYPE_P. Call
9501 vect_object_analysis with dummy parameter for memtag.
9502 (vect_object_analysis): Extract memtag (functionality that
9503 used to be in vect_get_memtag and moved here). Fix printings.
9504 (vect_analyze_data_refs): Fix comment. Call vect_object_analysis
9505 with correct parameters. Remove call to vect_get_memtag.
9506
9507 2005-02-17 Dorit Naishlos <dorit@il.ibm.com>
9508
9509 * Makefile.in (tree-vect-analyze.o, tree-vect-transform.o): New.
9510 (tree-vectorizer.o): Added missing dependencies.
9511
9512 * tree-vectorizer.h (vect_dump, vect_verbosity_level): Added extern
9513 decleration.
9514 (slpeel_tree_peel_loop_to_edge): Function externalized (had a static
9515 declaration in tree-vectorizer.c, now has an extern declaration in
9516 tree-vectorizer.h).
9517 (slpeel_make_loop_iterate_ntimes, slpeel_can_duplicate_loop_p,
9518 slpeel_verify_cfg_after_peeling, vect_strip_conversion,
9519 get_vectype_for_scalar_type, vect_is_simple_use,
9520 vect_is_simple_iv_evolution, vect_can_force_dr_alignment_p,
9521 vect_supportable_dr_alignment, new_loop_vec_info, destroy_loop_vec_info,
9522 new_stmt_vec_info, vect_analyze_loop, vectorizable_load,
9523 vectorizable_store, vectorizable_operation, vectorizable_assignment,
9524 vect_transform_loop, vect_print_dump_info, vect_set_verbosity_level,
9525 find_loop_location): Likewise.
9526
9527 * tree-vectorizer.c (langhooks.h): #include removed.
9528 (slpeel_tree_peel_loop_to_edge): Function externalized. Declaration
9529 moved to tree-vectorized.h.
9530 (slpeel_make_loop_iterate_ntimes, slpeel_can_duplicate_loop_p,
9531 slpeel_verify_cfg_after_peeling, vect_strip_conversion,
9532 get_vectype_for_scalar_type, vect_is_simple_use,
9533 vect_is_simple_iv_evolution, vect_can_force_dr_alignment_p,
9534 vect_supportable_dr_alignment, new_loop_vec_info,
9535 destroy_loop_vec_info, new_stmt_vec_info, vect_print_dump_info,
9536 vect_set_verbosity_level, find_loop_location): Likewise.
9537
9538 (vect_analyze_loop): Function externalized. Declaration moved to
9539 tree-vectorized.h. Function definition moved to tree-vect-analyze.c.
9540 (vect_analyze_loop_form): Moved to tree-vect-analyze.c.
9541 (vect_mark_stmts_to_be_vectorized, vect_analyze_scalar_cycles,
9542 vect_analyze_data_ref_accesses, vect_analyze_data_ref_dependences,
9543 vect_analyze_data_refs_alignment, vect_compute_data_refs_alignment,
9544 vect_enhance_data_refs_alignment, vect_analyze_operations,
9545 exist_non_indexing_operands_for_use_p, vect_mark_relevant,
9546 vect_stmt_relevant_p, vect_get_loop_niters,
9547 vect_analyze_data_ref_dependence, vect_compute_data_ref_alignment,
9548 vect_analyze_data_ref_access, vect_analyze_pointer_ref_access,
9549 vect_can_advance_ivs_p, vect_get_ptr_offset, vect_analyze_offset_expr,
9550 vect_base_addr_differ_p, vect_object_analysis, vect_address_analysis,
9551 vect_get_memtag): Likewise.
9552
9553 (vectorizable_load): Function externalized. Declaration moved to
9554 tree-vectorized.h. Function definition moved to tree-vect-transform.c.
9555 (vectorizable_store, vectorizable_operation, vectorizable_assignment,
9556 vect_transform_loop): Likewise.
9557 (vect_transform_stmt): Moved to tree-vect-transform.c.
9558 (vect_align_data_ref, vect_create_destination_var,
9559 vect_create_data_ref_ptr, vect_create_index_for_vector_ref,
9560 vect_create_addr_base_for_vector_ref, vect_get_new_vect_var,
9561 vect_get_vec_def_for_operand, vect_init_vector,
9562 vect_finish_stmt_generation, vect_generate_tmps_on_preheader,
9563 vect_build_loop_niters, vect_update_ivs_after_vectorizer,
9564 vect_gen_niters_for_prolog_loop, vect_update_inits_of_dr,
9565 vect_update_inits_of_drs, vect_do_peeling_for_alignment,
9566 vect_do_peeling_for_loop_bound): Likewise.
9567
9568 * tree-vect-analyze.c: New file.
9569 * tree-vect-transform.c: New file.
9570
9571 2005-02-17 Jason Merrill <jason@redhat.com>
9572
9573 PR mudflap/19319, c++/19317
9574 * gimplify.c (gimplify_modify_expr_rhs) [CALL_EXPR]: Make return
9575 slot explicit.
9576
9577 2005-02-17 Gerald Pfeifer <gerald@pfeifer.com>
9578
9579 * doc/install.texi (Specific): Update link for Darwin-specific
9580 tool binary site.
9581
9582 2005-02-16 James A. Morrison <phython@gcc.gnu.org>
9583
9584 * fold-const.c (invert_truthvalue): <INTEGER_CST>: Call
9585 constant_boolean_node.
9586
9587 2005-02-16 David Edelsohn <edelsohn@gnu.org>
9588
9589 PR target/19019
9590 * config/rs6000/t-aix43 (SHLIB_MAPFILES): Add libgcc-ppc64.ver.
9591 * config/rs6000/t-aix52 (SHLIB_MAPFILES): Same.
9592
9593 2005-02-16 Richard Henderson <rth@redhat.com>
9594
9595 PR 19920
9596 * libgcc2.c (WORD_SIZE): Remove all definitions; replace uses
9597 with W_TYPE_SIZE.
9598 (HIGH_WORD_COEFF, HIGH_HALFWORD_COEFF): Remove all definitions;
9599 replace uses with Wtype_MAXp1_F.
9600 (L_fixunstfdi, L_fixtfdi, L_floatditf, L_fixunsxfdi, L_fixxfdi,
9601 L_floatdixf, L_fixunsxfsi, L_fixunsdfdi, L_floatdidf, L_fixunsdfsi,
9602 L_powidf2, L_powixf2, L_powitf2, L_muldc3, L_divdc3, L_mulxc3,
9603 L_divxc3, L_multc3, L_divtc3): Protect with HAVE_DFMODE, HAVE_XFMODE,
9604 and HAVE_TFMODE as appropriate.
9605 (__fixunssfDI): Provide an implementation that doesn't need DFmode.
9606 (__floatdisf): Likewise.
9607 * libgcc2.h (LIBGCC2_DOUBLE_TYPE_SIZE): New.
9608 (HAVE_DFMODE, HAVE_XFMODE, HAVE_TFMODE): New.
9609 (Wtype_MAXp1_F): New.
9610 (DFtype, DCtype, __fixdfdi, __floatdidf, __fixunsdfSI, __fixunsdfDI,
9611 __powidf2, __divdc3, __muldc3): Protect with HAVE_DFMODE.
9612
9613 2005-02-16 Richard Earnshaw <rearnsha@arm.com>
9614
9615 * PR target/19162
9616 * arm.c (arm_apply_result_size): New function.
9617 * arm.h (APPLY_RESULT_SIZE): Define.
9618 * arm-protos.h (arm_apply_result_size): Add prototype.
9619 * arm.md (RO_REGNUM, FPA_F0_REGNUM, FPA_F7_REGNUM): New constants.
9620 (movxf): New expand.
9621 (ldmsi_postinc4_thumb, stmsi_postinc4_thumb): New patterns for Thumb.
9622 (call_value_symbol): Remove predicate for operand 0.
9623 (call_value_insn, sibcall_value, sibcall_value_insn): Likewise.
9624 (untyped_call): Rework to correclty return values for any type.
9625 (untyped_return): New expand.
9626 * fpa.md (movxf_fpa): Simplify and use sfm/lfm when appropriate.
9627
9628 2005-02-16 Stan Shebs <shebs@apple.com>
9629
9630 * config.gcc (powerpc-*-darwin*): Use fragment for Darwin 8 or later.
9631 * config/rs6000/t-darwin8: New, for 64-bit multilib.
9632
9633 2005-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
9634
9635 * doc/install.texi (sparc-sun-solaris2*): Document required GMP
9636 configure settings on Solaris 7 and later.
9637
9638 2005-02-16 Diego Novillo <dnovillo@redhat.com>
9639
9640 PR tree-optimization/19865
9641 * tree-optimize.c (init_tree_optimization_passes): Run
9642 pass_may_alias after pass_sra.
9643
9644 2005-02-16 Richard Henderson <rth@redhat.com>
9645 Stuart Hastings <stuart@apple.com>
9646
9647 PR debug/19521
9648 * dbxout.c (dbxout_function_end): Take decl parameter; update callers.
9649 Do nothing if debug info suppressed for this function.
9650 (dbxout_begin_function): Early exit if debug info suppressed for
9651 this function.
9652
9653 2005-02-16 Kazu Hirata <kazu@cs.umass.edu>
9654
9655 PR target/20007
9656 * config/ip2k/ip2k.c (ip2k_reorg): Adjust calls to
9657 find_basic_blocks.
9658 * config/sh/sh.c (sh_output_mi_thunk): Likewise.
9659
9660 PR tree-optimization/19967
9661 * builtins.c (expand_builtin_strstr, expand_builtin_strpbrk,
9662 expand_builtin_strchr, expand_builtin_strrchr): Take a new
9663 argument TYPE. Adjust calls to fold_builtin_XXX.
9664 (expand_builtin, fold_builtin_1): Adjust calls to
9665 expand_builtin_XXX.
9666 (fold_builtin_strchr, fold_builtin_strpbrk,
9667 fold_builtin_strstr, fold_builtin_strrchr): Convert the folded
9668 result to a requested type TYPE.
9669
9670 2005-02-16 Jakub Jelinek <jakub@redhat.com>
9671
9672 PR middle-end/19857
9673 * fold-const.c (fold): Don't optimize (T)(x & cst) to
9674 (T)x & (T)cst if (T)cst overflows.
9675 * convert.c (convert_to_integer) <case POINTER_TYPE>: Pass
9676 TYPE_UNSIGNED (type) as type_for_size's UNSIGNEDP argument.
9677
9678 2005-02-15 Jeff Law <law@redhat.com>
9679
9680 * gcse.c (blocks_with_calls): New bitmap.
9681 (alloc_gcse_mem): Allocate it.
9682 (free_gcse_mem): Free it.
9683 (clear_modifY_mem_tables): Clear it.
9684 (record_last_mem_set_info): Set the proper bit in BLOCK_WITH_CALLS
9685 when we encounter CALL_INSNs.
9686 (compute_transp, case MEM): Handle blocks with calls separate
9687 from blocks without calls. Use bitmap iterators rather than
9688 FOR_EACH_BB.
9689
9690 2005-02-15 Peter O'Gorman <peter@pogma.com>
9691
9692 PR bootstrap/18810
9693 * mklibgcc.in (vis_hide): Use a temporary object file, not
9694 -o /dev/null.
9695
9696 2005-02-15 Andy Hutchinson <HutchinsonAndy@netscape.net>
9697
9698 PR target/19924
9699 * config/avr/avr.h (MODES_TIEABLE_P): Define to 1 to allow subreg
9700 access optimization.
9701
9702 2005-02-15 David Edelsohn <edelsohn@gnu.org>
9703 Alan Modra <amodra@bigpond.net.au>
9704
9705 PR target/19019
9706 * config/rs6000/darwin-ldouble.c (_xlqadd): Rename to __gcc_qadd.
9707 (_xlqsub): Rename to __gcc_qsub.
9708 (_xlqmul): Rename to __gcc_qmul.
9709 (_xlqdiv): Rename to __gcc_qdiv.
9710 Provide versioned symbol aliases with old names.
9711 * config/rs6000/libgcc-ppc64.ver: Rename symbols.
9712 * config/rs6000/rs6000.c (rs6000_init_libfuncs): Rename symbols.
9713 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): New.
9714 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): New.
9715 * config/rs6000/t-newas (LIB2FUNCS_EXTRA): New.
9716
9717 2005-02-15 James A. Morrison <phython@gcc.gnu.org>
9718
9719 * fold-const.c (fold): Fold -(~A) to A + 1. Fold ~(-A) to A - 1.
9720 Fold ~(A - 1) and ~(A + -1) to -A.
9721
9722 2005-02-15 James A. Morrison <phython@gcc.gnu.org>
9723
9724 PR pch/14940
9725 PR target/19300
9726 * config/host-linux.c (linux_gt_pch_use_address): Copy from
9727 config/pa/pa-host.c:pa_gt_pch_use_address.
9728
9729 2005-02-15 Daniel Berlin <dberlin@dberlin.org>
9730
9731 * tree-vn.c (get_value_handle): Make sure that given an
9732 is_gimple_min_invariant expression, we always return it.
9733
9734 2005-02-15 Kazu Hirata <kazu@cs.umass.edu>
9735
9736 * passes.c (rest_of_handle_gcse): Fix a comment.
9737
9738 2005-02-15 Jeff Law <law@redhat.com>
9739
9740 * gcse.c (canon_modify_mem_set_list_set): Kill unnecessary
9741 bitmap.
9742 (alloc_gcse_mem, free_gcse_mem): Corresponding changes.
9743 (canon_list_insert, record_last_mem_set_info): Similarly.
9744 (clear_modify_mem_tables): Similarly.
9745
9746 2005-02-15 Kazu Hirata <kazu@cs.umass.edu>
9747
9748 * bitmap.c, bitmap.h, lambda-code.c, tree-dfa.c, tree-dump.c,
9749 tree-dump.h, tree-ssa-loop-manip.c, value-prof.c,
9750 config/mips/mips.md, config/rs6000/aix.h,
9751 config/rs6000/beos.h, config/rs6000/sysv4.h: Update copyright.
9752
9753 2005-02-15 Richard Henderson <rth@redhat.com>
9754
9755 * bb-reorder.c (find_traces_1_round): Force fallthru edge from a
9756 call to be best_edge.
9757
9758 2005-02-14 Kazu Hirata <kazu@cs.umass.edu>
9759
9760 * basic-block.h: Adjust the prototype for find_basic_blocks.
9761 * cfgbuild.c (find_basic_blocks): Remove unused arguments.
9762 * passes.c (rest_of_handle_loop_optimize): Adjust the call to
9763 find_basic_blocks.
9764
9765 * flow.c (recompute_reg_usage): Remove all arguments.
9766 * passes.c (rest_of_compilation): Adjust the call to
9767 recompute_reg_usage.
9768 * rtl.h: Adjust the prototype for recompute_reg_usage.
9769
9770 2005-02-14 Daniel Berlin <dberlin@dberlin.org>
9771
9772 * tree-dump.c (dump_files): Update to reflect new member
9773 of dump_file_info.
9774 (dump_register): Add new argument.
9775 Set glob name.
9776 (dump_switch_p_1): Check against glob name if doglob was passed.
9777 (dump_switch_p): Check against regular first, then glob if
9778 we didn't have any hits on the dump name.
9779 * tree-optimize.c (register_one_dump_file):
9780 Pass in glob name as well.
9781 * tree-pass.h (struct dump_file_info): Add glob
9782 member.
9783
9784 2005-02-14 Joseph S. Myers <joseph@codesourcery.com>
9785
9786 PR preprocessor/16323
9787 * doc/invoke.texi: Document that -Wendif-labels is on by default.
9788
9789 2005-02-14 David Edelsohn <edelsohn@gnu.org>
9790
9791 PR target/19019
9792 * config/rs6000/rs6000.md (trunctfdf2): Change to define_expand.
9793 (trunctfdf2_internal1): New.
9794 (trunctfdf2_internal2): Renamed from trunctfdf2.
9795
9796 2005-02-14 Diego Novillo <dnovillo@redhat.com>
9797
9798 PR tree-optimization/19853
9799 * tree-dfa.c (add_referenced_var): Always examine DECL_INITIAL.
9800
9801 2005-02-14 Kazu Hirata <kazu@cs.umass.edu>
9802
9803 * passes.c (rest_of_handle_loop_optimize): Remove calls to
9804 delete_dead_jumptables and cleanup_cfg.
9805
9806 2005-02-14 Ulrich Weigand <uweigand@de.ibm.com>
9807
9808 * reload.c (find_reloads): Swap address_reloaded flags when
9809 swapping commutative operands.
9810
9811 2005-02-14 Sebastian Pop <pop@cri.ensmp.fr>
9812
9813 * lambda-code.c (lambda_loopnest_to_gcc_loopnest, perfect_nestify):
9814 Use standard_iv_increment_position for computing the bsi position
9815 for create_iv.
9816 * tree-ssa-loop-manip.c (create_iv): Add a comment on how to compute
9817 the bsi position.
9818
9819 2005-02-13 Zdenek Dvorak <dvorakz@suse.cz>
9820
9821 PR target/17428
9822 * cfgrtl.c (safe_insert_insn_on_edge): Avoid extending
9823 life range of hard registers.
9824 * value-prof.c (insn_prefetch_values_to_profile): Only
9825 scan normal insns.
9826
9827 * value-prof.c (rtl_find_values_to_profile): Do not look for values to
9828 profile in libcalls.
9829
9830 2005-02-13 Nathan Sidwell <nathan@codesourcery.com>
9831
9832 * bitmap.h (bitmap_and_compl_into): Return bool.
9833 * bitmap.c (bitmap_and_compl_into): Return changed flag.
9834
9835 2005-02-13 James A. Morrison <phython@gcc.gnu.org>
9836
9837 PR tree-optimization/19944
9838 * fold-const.c (fold): Re-add ABS_EXPR folding.
9839
9840 2005-02-13 David Edelsohn <edelsohn@gnu.org>
9841
9842 PR target/19019
9843 * config/rs6000/aix.h ({TARGET,MASK}_XL_CALL): Rename to
9844 {TARGET,MASK}_XL_COMPAT.
9845 (SUBTARGET_SWITCHES): Rename xl-call to xl-compat. Use
9846 MASK_XL_COMPAT.
9847 * config/rs6000/beos.h ({TARGET,MASK}_XL_CALL): Remove.
9848 * config/rs6000/rs6000.c (function_arg): Change TARGET_XL_CALL to
9849 TARGET_XL_COMPAT.
9850 (rs6000_arg_partial_bytes): Same.
9851 (rs6000_generate_compare): Generate PARALLEL for compare if TFmode
9852 and XL compatibility enabled.
9853 * config/rs6000/rs6000.h (TARGET_XL_CALL): Rename to TARGET_XL_COMPAT.
9854 * config/rs6000/rs6000.md (cmptf_internal1): Add !TARGET_XL_COMPAT
9855 test to final condition.
9856 (cmptf_internal2): New.
9857 * doc/invoke.texi (RS/6000 Subtarget Options): Change xl-call to
9858 xl-compat. Add TFmode information to description.
9859
9860 2005-02-13 Kazu Hirata <kazu@cs.umass.edu>
9861
9862 * flags.h, read-rtl.c, tree-ssa-live.h: Update copyright.
9863
9864 2005-02-13 Jason Merrill <jason@redhat.com>
9865
9866 PR c++/16405
9867 * fold-const.c (fold_indirect_ref_1): Split out from...
9868 (build_fold_indirect_ref): Here.
9869 (fold_indirect_ref): New fn.
9870 * tree.h: Declare it.
9871 * gimplify.c (gimplify_compound_lval): Call fold_indirect_ref.
9872 (gimplify_modify_expr_rhs): Likewise.
9873 (gimplify_expr): Likewise.
9874
9875 2005-02-13 James A. Morrison <phython@gcc.gnu.org>
9876
9877 PR tree-optimization/14303
9878 PR tree-optimization/15784
9879 * fold-const.c (fold): Fold ABS_EXPR<x> >= 0 to true, when possible.
9880 Fold ABS_EXPR<x> < 0 to false. Fold ABS_EXPR<x> == 0 to x == 0 and
9881 ABS_EXPR<x> != 0 to x != 0.
9882
9883 2005-02-12 Kazu Hirata <kazu@cs.umass.edu>
9884
9885 * c-tree.h, combine.c, expmed.c, flow.c, libgcc2.c,
9886 simplify-rtx.c, tree-ssa-live.h: Fix comment typos. Follow
9887 spelling conventions.
9888
9889 * passes.c (rest_of_handle_gcse): Don't run cse_main and
9890 delete_trivially_dead_insns too many times.
9891
9892 * passes.c (rest_of_handle_gcse): Remove dead assignments to
9893 tem and tem2.
9894
9895 2005-02-12 Ira Rosen <irar@il.ibm.com>
9896
9897 * tree-vectorizer.c (vect_get_base_and_offset): Remove.
9898 (vect_is_simple_iv_evolution): Remove redundant parameter
9899 and step check.
9900 (vect_analyze_scalar_cycles): Call vect_is_simple_iv_evolution
9901 without last parameter.
9902 (vect_analyze_pointer_ref_access): Get access_fn as parameter.
9903 Return pointer step. Call vect_is_simple_iv_evolution without
9904 last parameter. Check only that the step is multiple of size
9905 type. Remove stmt_vinfo updates.
9906 (vect_get_memtag_and_dr): Remove.
9907 (vect_get_memtag): New function.
9908 (vect_address_analysis): New function.
9909 (vect_object_analysis): New function.
9910 (vect_analyze_data_refs): Call vect_object_analysis and
9911 vect_get_memtag. Update stmt_vinfo fields.
9912
9913 2005-02-12 Ira Rosen <irar@il.ibm.com>
9914
9915 * tree-data-ref.c (array_base_name_differ_p): Check that the bases
9916 exist and are objects. Remove checks for pointer.
9917 * tree-vectorizer.c (vect_create_addr_base_for_vector_ref): Use
9918 STMT_VINFO_VECT_DR_BASE_ADDRESS instead of DR_BASE_NAME.
9919 (vect_create_data_ref_ptr): Likewise.
9920 (vect_base_addr_differ_p): New function.
9921 (vect_analyze_data_ref_dependence): Call vect_base_addr_differ_p.
9922 (vect_analyze_pointer_ref_access): Add output parameter - ptr_init.
9923 Don't set the DR_BASE_NAME field of data-ref.
9924 (vect_get_memtag_and_dr): Use ptr_init instead of DR_BASE_NAME.
9925
9926 2005-02-12 Uros Bizjak <uros@kss-loka.si>
9927
9928 * optabs.h (enum optab_index): Add new OTI_ldexp.
9929 (ldexp_optab): Define corresponding macro.
9930 * optabs.c (init_optabs): Initialize ldexp_optab.
9931 * genopinit.c (optabs): Implement ldexp_optab using ldexp?f3
9932 patterns.
9933 * builtins.c (expand_builtin_mathfn_2): Handle BUILT_IN_LDEXP{,F,L}
9934 using ldexp_optab.
9935 (expand_builtin): Expand BUILT_IN_LDEXP{,F,L} using
9936 expand_builtin_mathfn_2 if flag_unsafe_math_optimizations is set.
9937
9938 * config/i386/i386.md (ldexpsf3, ldexpdf3, ldexpxf3): New expanders
9939 to implement ldexpf, ldexp and ldexpl built-ins as inline x87
9940 intrinsics.
9941
9942 2005-02-12 Ira Rosen <irar@il.ibm.com>
9943
9944 * tree-vectorizer.h (struct _stmt_vec_info): Rename a field: base
9945 to base_address.
9946 * tree-vectorizer.c (new_stmt_vec_info): Rename the above field of
9947 stmt_vec_info.
9948 (vect_get_base_and_offset): Always return an address.
9949 (vect_create_addr_base_for_vector_ref): Remove treatment for
9950 different data reference types.
9951 (vect_compute_data_ref_alignment): Rename base to base_address in
9952 stmt_vec_info. Get the object in order to force its alignment.
9953 (vect_get_memtag_and_dr): Rename base to base_address in
9954 stmt_vec_info. Extract the object for memtag analysis.
9955
9956 2005-02-12 Hans-Peter Nilsson <hp@axis.com>
9957
9958 PR regression/19898.
9959 * config/cris/cris.c (cris_notice_update_cc): When testing if insn
9960 changes cc_status, use apply modified_in_p to part of cc_status
9961 and insn, not cris_reg_overlap_mentioned_p on SET_DEST of insn
9962 body.
9963
9964 2005-02-11 Richard Henderson <rth@redhat.com>
9965
9966 * tree-complex.c (expand_complex_libcall): New.
9967 (expand_complex_multiplication): Use it for c99 compliance.
9968 (expand_complex_division): Likewise.
9969 * fold-const.c (fold_complex_add, fold_complex_mult): New.
9970 (fold): Call them.
9971 * builtins.c (built_in_names): Remove const.
9972 * tree.c (build_common_builtin_nodes): Build complex arithmetic
9973 builtins.
9974 * tree.h (BUILT_IN_COMPLEX_MUL_MIN, BUILT_IN_COMPLEX_MUL_MAX): New.
9975 (BUILT_IN_COMPLEX_DIV_MIN, BUILT_IN_COMPLEX_DIV_MAX): New.
9976 (built_in_names): Remove const.
9977 * c-common.c (c_common_type_for_mode): Handle complex modes.
9978 * flags.h, toplev.c (flag_complex_method): Rename from
9979 flag_complex_divide_method.
9980 * libgcc2.c (__divsc3, __divdc3, __divxc3, __divtc3,
9981 __mulsc3, __muldc3, __mulxc3, __multc3): New.
9982 * libgcc2.h: Declare them.
9983 * libgcc-std.ver: Export them.
9984 * mklibgcc.in (lib2funcs): Build them.
9985
9986 2005-02-11 Steven Bosscher <stevenb@suse.de>
9987
9988 PR tree-optimization/19876
9989 Partially revert my change from 2005-01-14
9990 * tree-ssa-pre.c (compute_antic_aux): Make recursive once again...
9991 (compute_antic): ...and remove the loop here.
9992
9993 2005-02-11 Jakub Jelinek <jakub@redhat.com>
9994
9995 PR middle-end/19858
9996 * fold-const.c (make_bit_field_ref): If bitpos == 0 and bitsize
9997 is number of inner's bits, avoid creating a BIT_FIELD_REF.
9998
9999 * config/rs6000/sysv4.h (ENDFILE_LINUX_SPEC): Use crtendS.o instead of
10000 crtend.o if -pie. Use %{x:a;:b} spec syntax.
10001
10002 2005-02-11 Daniel Jacobowitz <dan@codesourcery.com>
10003
10004 * config/mips/linux-unwind.h (mips_fallback_frame_state): Adjust
10005 offsets for the big-endian 32-bit case.
10006
10007 2005-02-11 Joseph S. Myers <joseph@codesourcery.com>
10008
10009 * config/ia64/hpux.h (WCHAR_TYPE, WCHAR_TYPE_SIZE): Define.
10010
10011 2005-02-11 Dale Johannesen <dalej@apple.com>
10012
10013 * cselib.c (cselib_process_insn): Clear out regs where
10014 HARD_REGNO_CALL_PART_CLOBBERED is true at a call.
10015 * reload.c (find_equiv_reg): Ditto.
10016
10017 2005-02-11 Ian Lance Taylor <ian@airs.com>
10018
10019 * read-rtl.c (read_rtx_1): Give fatal error if we see a vector
10020 with no elements.
10021
10022 * tree.c (build_function_type_list): Work correctly if there are
10023 no arguments.
10024
10025 2005-02-11 Ulrich Weigand <uweigand@de.ibm.com>
10026
10027 * config/s390/s390.md ("*cmpdi_cct", "*cmpsi_cct", "*cmpdi_ccs",
10028 "*cmpsi_ccs"): Use %h instead of %c to print immediate operand.
10029 ("*zero_extendhisi2_64", "*zero_extendhisi2_31"): Choose based on
10030 TARGET_ZARCH instead of TARGET_64BIT.
10031
10032 2005-02-11 Ralf Corsepius <ralf.corsepius@rtems.org>
10033
10034 * config/rs6000/t-rtems:
10035 (MULTILIB_OPTIONS): Remove mcpu=602.
10036 (MUTLILIB_DIRNAMES): Remove m602.
10037 (MULTILIB_MATCHES): Add ${MULTILIB_MATCHES_FLOAT}.
10038 Let mcpu=602 match mcpu=603.
10039 (MULTILIB_NEW_EXCEPTIONS_ONLY): Add mcpu=601, mcpu=602, mcpu=m603.
10040
10041 2005-02-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10042
10043 * pa/linux-unwind.h (pa32_fallback_frame_state): Handle misaligned
10044 signal trampolines.
10045
10046 2005-02-10 David Daney <ddaney@avtrex.com>
10047
10048 * config/alpha/linux-unwind.h: Add exception clause to copyright.
10049 * config/i386/linux-unwind.h: Likewise.
10050 * config/ia64/linux-unwind.h: Likewise.
10051 * config/mips/linux-unwind.h: Likewise.
10052 * config/pa/linux-unwind.h: Likewise.
10053 * config/rs6000/linux-unwind.h: Likewise.
10054 * config/s390/linux-unwind.h: Likewise.
10055 * config/sh/linux-unwind.h: Likewise.
10056 * config/sparc/linux-unwind.h: Likewise.
10057
10058 2005-02-10 Steven Bosscher <stevenb@suse.de>
10059
10060 PR tree-optimization/17549
10061 * tree-outof-ssa.c (find_replaceable_in_bb): Do not allow
10062 TER to replace a DEF with its expression if the DEF and the
10063 rhs of the expression we replace into have the same root
10064 variable.
10065
10066 2005-02-10 Richard Sandiford <rsandifo@redhat.com>
10067
10068 * config/mips/mips.md: Fix the placement of the match_scratch in the
10069 lea64 peephole2.
10070
10071 2005-02-10 Kazu Hirata <kazu@cs.umass.edu>
10072
10073 * cse.c, tree-ssa-loop-ivopts.c, config/rs6000/linux-unwind.h:
10074 Fix comment typos.
10075
10076 2005-02-10 Zdenek Dvorak <dvorakz@suse.cz>
10077
10078 * tree-ssa-loop-ivopts.c (determine_base_object): Ignore casts.
10079 (strip_offset): Handle addresses.
10080 (add_address_candidates): Use strip_offset.
10081 (difference_cost): Reflect strip_offset change.
10082 (force_var_cost, difference_cost): Strip nops.
10083
10084 2005-02-10 Kazu Hirata <kazu@cs.umass.edu>
10085
10086 * df.h (DF_REF_MODE_CHANGE, DF_REF_MEM_OK): Remove.
10087
10088 * builtins.def, haifa-sched.c, libgcc2.c, libgcc2.h,
10089 tree-ssa-loop-ivcanon.c, tree-ssa-loop-niter.c,
10090 config/cris/cris-protos.h, config/cris/cris.c: Update
10091 copyright.
10092
10093 2005-02-10 Jeff Law <law@redhat.com>
10094
10095 * tree-ssa-dom.c (thread_across_edge): Use xmalloc, not xcalloc.
10096 (lookup_avail_expr): Similarly.
10097
10098 2005-02-10 Richard Guenther <rguenth@gcc.gnu.org>
10099
10100 * builtins.c (fold_builtin_powi): New function.
10101 (fold_builtin_1): Call it.
10102
10103 2005-02-10 Steven Bosscher <stevenb@suse.de>
10104
10105 PR documentation/19309
10106 * doc/cpp.texi: The __GNUC__ and related predefined macros
10107 are also defined for the "standalone" cpp.
10108 Some non-GCC compilers may also define __GNUC__.
10109
10110 2005-02-10 Jakub Jelinek <jakub@redhat.com>
10111
10112 PR c/19342
10113 * c-typeck.c (common_type): New routine. Old common_type renamed
10114 to...
10115 (c_common_type): ...this.
10116 (build_conditional_expr, build_binary_op): Use c_common_type instead
10117 of common_type.
10118
10119 2005-02-10 Steven Bosscher <stevenb@suse.de>
10120
10121 * doc/md.texi: Replace @samp{length} with @code{length}.
10122
10123 2005-02-09 Zdenek Dvorak <dvorakz@suse.cz>
10124
10125 PR tree-optimization/18687
10126 * tree-flow.h (find_loop_niter): Declare.
10127 * tree-ssa-loop-ivcanon.c (canonicalize_loop_induction_variables):
10128 Try using scev even for loops with more than one exit.
10129 * tree-ssa-loop-ivopts.c (struct loop_data): Removed niter field.
10130 (struct ivopts_data): Added niters field.
10131 (struct nfe_cache_elt): New.
10132 (nfe_hash, nfe_eq, niter_for_exit, niter_for_single_dom_exit): New
10133 functions.
10134 (tree_ssa_iv_optimize_init): Initialize niters cache.
10135 (determine_number_of_iterations): Removed.
10136 (find_induction_variables): Do not call determine_number_of_iterations.
10137 Access niters for single exit through niter_for_single_dom_exit.
10138 (add_iv_outer_candidates): Access niters for single exit through
10139 niter_for_single_dom_exit.
10140 (may_eliminate_iv): Take data argument. Use niter_for_exit. Do not use
10141 number_of_iterations_cond.
10142 (iv_period): New function.
10143 (determine_use_iv_cost_condition): Pass data to may_eliminate_iv.
10144 (may_replace_final_value): Take data argument. Use
10145 niter_for_single_dom_exit.
10146 (determine_use_iv_cost_outer): Pass data to may_replace_final_value.
10147 (rewrite_use_compare): Pass data to may_eliminate_iv.
10148 (rewrite_use_outer): Pass data to may_replace_final_value.
10149 (free_loop_data): Clean up the niters cache.
10150 (tree_ssa_iv_optimize_finalize): Free the niters cache.
10151 (tree_ssa_iv_optimize_loop): Do not call loop_commit_inserts.
10152 * tree-ssa-loop-niter.c (find_loop_niter): New function.
10153 (find_loop_niter_by_eval): Use tree_int_cst_lt.
10154 (num_ending_zeros): Moved to tree.c.
10155 * tree.h (num_ending_zeros): Declare.
10156 * tree.c (num_ending_zeros): Moved from tree.c.
10157
10158 2005-02-09 Richard Henderson <rth@redhat.com>
10159
10160 * builtins.c (DEF_BUILTIN): Add COND argument.
10161 * tree.h (DEF_BUILTIN): Likewise.
10162 * builtins.def (DEF_GCC_BUILTIN, DEF_LIB_BUILTIN, DEF_EXT_LIB_BUILTIN,
10163 DEF_C94_BUILTIN, DEF_C99_BUILTIN, DEF_C99_C90RES_BUILTIN): Update to
10164 match.
10165 (DEF_BUILTIN_STUB): New.
10166 (BUILT_IN_STACK_SAVE, BUILT_IN_STACK_RESTORE, BUILT_IN_INIT_TRAMPOLINE,
10167 BUILT_IN_ADJUST_TRAMPOLINE, BUILT_IN_NONLOCAL_GOTO,
10168 BUILT_IN_PROFILE_FUNC_ENTER, BUILT_IN_PROFILE_FUNC_EXIT): Use it.
10169 * c-common.c (DEF_BUILTIN): Add COND argument.
10170 * tree.c (local_define_builtin): New.
10171 (build_common_builtin_nodes): New.
10172
10173 2005-02-09 Roger Sayle <roger@eyesopen.com>
10174
10175 * fold-const.c (fold_strip_sign_ops): New function to simplify a
10176 floating point expression ignoring the sign of the result.
10177 (fold) <ABS_EXPR>: Use it to simplify fabs(x).
10178 (fold) <MULT_EXPR>: Use it to simplify x*x.
10179 * tree.h (fold_strip_sign_ops): Prototype here.
10180 * builtins.c (fold_builtin_copysign): Take an additional FNDECL
10181 argument. Use fold_strip_sign_ops to simplify the first argument.
10182 (fold_builtin_pow): Use fold_strip_sign_ops to simplify the
10183 first argument when the second argument is an even integer
10184 constant, but only with -funsafe_math_optimizations.
10185 (fold_builtin_1): Update call to fold_builtin_copysign.
10186
10187 2005-02-09 Ian Lance Taylor <ian@airs.com>
10188
10189 PR middle-end/19583
10190 * gimple-low.c (try_catch_may_fallthru): In EH_FILTER_EXPR case,
10191 just check whether EH_FILTER_FAILURE falls through.
10192
10193 2005-02-09 Andreas Krebbel <krebbel1@de.ibm.com>
10194
10195 * gcc/haifa-sched.c (schedule_block): Make queued sched group
10196 insns return to ready list in the next turn.
10197
10198 2005-02-09 Richard Guenther <rguenth@gcc.gnu.org>
10199
10200 PR middle-end/19402
10201 * builtins.def: New __builtin_powi[lf].
10202 * builtins.c (mathfn_built_in): Handle BUILT_IN_POWI.
10203 (expand_builtin_powi): New function.
10204 (expand_builtin): Dispatch to expand_builtin_powi.
10205 * libgcc2.h: Add prototypes for __builtin_powi[lf].
10206 * libgcc2.c: Add __builtin_powi[lf] implementation.
10207 * mklibgcc.in: Add __builtin_powi[lf] to lib2funcs.
10208 * optabs.h: Add powi_optab.
10209 * optabs.c (init_optabs): Initialize powi_optab.
10210 * doc/extend.texi: Document __builtin_powi[lf].
10211
10212 2005-02-09 Dorit Naishlos <dorit@il.ibm.com>
10213
10214 * tree-vectorizer.c (vect_set_dump_settings): Check that dump_file
10215 exists.
10216
10217 2005-02-09 Richard Guenther <rguenth@gcc.gnu.org>
10218
10219 PR middle-end/19854
10220 * fold-const.c (try_move_mult_to_index): Remove redundant
10221 type argument. Create ADDR_EXPR with correct type.
10222 (fold): Update callers of try_move_mult_to_index. Convert
10223 result to the appropriate type.
10224
10225 2005-02-09 Roger Sayle <roger@eyesopen.com>
10226
10227 PR target/19597
10228 * config/avr/avr.c (default_rtx_costs): Delete.
10229 (avr_operand_rtx_cost): New function.
10230 (avr_rtx_costs): Completely rewrite.
10231
10232 2005-02-08 Hans-Peter Nilsson <hp@axis.com>
10233
10234 PR target/19806
10235 * config/cris/cris.c (in_code): New variable.
10236 (cris_output_addr_const): Now a static function, a wrapper for
10237 output_addr_const.
10238 (cris_asm_output_symbol_ref): New function, broken out SYMBOL_REF
10239 case from old cris_output_addr_const.
10240 (cris_asm_output_label_ref): Similar for LABEL_REF.
10241 (cris_output_addr_const_extra): Similar for UNSPEC.
10242 * config/cris/cris.h (OUTPUT_ADDR_CONST_EXTRA)
10243 (ASM_OUTPUT_SYMBOL_REF, ASM_OUTPUT_LABEL_REF): Define.
10244 * config/cris/cris-protos.h (cris_output_addr_const): Remove
10245 declaration.
10246 (cris_asm_output_symbol_ref, cris_output_addr_const_extra)
10247 (cris_asm_output_label_ref): Declare.
10248
10249 2005-02-08 Paolo Bonzini <bonzini@gnu.org>
10250
10251 PR preprocessor/19801
10252 * doc/cppinternals.texi (Conventions, Lexer, Files): Adjust
10253 filenames that changed when libcpp was moved to the toplevel.
10254
10255 2005-02-07 Roger Sayle <roger@eyesopen.com>
10256
10257 * simplify-rtx.c (simplify_relational_operation_1): Avoid creating
10258 zero extensions of BImode operands. Call lowpart_subreg instead
10259 of gen_lowpart_common and gen_lowpart_SUBREG.
10260
10261 2005-02-07 Nathanael Nerode <neroden@gcc.gnu.org>
10262
10263 PR ada/19489
10264 * libada-mk.in: Use cc_for_cross_gnattools, not cc_set_by_configure.
10265 * configure.ac: Set cc_for_cross_gnattools.
10266 * configure: Regenerate.
10267
10268 2005-02-08 Alan Modra <amodra@bigpond.net.au>
10269
10270 PR target/19803
10271 * predict.c (PROB_VERY_UNLIKELY): Use 1% instead of 10%.
10272
10273 2005-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
10274
10275 PR debug/19327
10276 * dbxout.c (dbxout_symbol) <FUNCTION_DECL>: Skip inline instance
10277 of nested functions.
10278
10279 2005-02-07 Jonathan Wakely <redi@gcc.gnu.org>
10280
10281 * doc/extend.texi: Document deprecated extensions allowing
10282 static floating-point members to have initializers and allowing
10283 floating-point literals in integral constant expressions.
10284
10285 2005-02-07 Kazu Hirata <kazu@cs.umass.edu>
10286
10287 * cfgcleanup.c, df.h, diagnostic.c, rtl.c, tree-vectorizer.h,
10288 config/darwin7.h, config/mips/mips.c,
10289 config/rs6000/altivec.md, config/rs6000/darwin-tramp.asm:
10290 Update copyright.
10291
10292 * cse.c: Update comments.
10293
10294 2005-02-07 Richard Guenther <rguenth@gcc.gnu.org>
10295
10296 PR middle-end/19775
10297 * builtins.c (fold_builtin_sqrt): Transform
10298 sqrt(pow(x,y)) to pow(fabs(x),y*0.5), not
10299 pow(x,y*0.5).
10300
10301 2005-02-07 Leehod Baruch <leehod@il.ibm.com>
10302 Dorit Naishlos <dorit@il.ibm.com>
10303
10304 * doc/invoke.texi (ftree-vectorizer-verbose): New.
10305 * opts.c (OPT_ftree_vectorizer_verbose_): New case for switch.
10306 * common.opt (ftree-vectorizer-verbose): New Flag for the vectorizer
10307 was added.
10308 * tree.h (vect_set_verbosity_level): New extern function declaration
10309 added.
10310 * tree-vectorizer.h (verbosity_levels): New enum type.
10311 * tree-vectorizer.c (vect_debug_stats): Function removed.
10312 (vect_debug_details): Likewise.
10313 (vect_verbosity_level): Global variable was defined and initialized.
10314 (vect_dump): Global variable definition.
10315 (vect_print_dump_info): New function.
10316 (vect_set_dump_settings): New function.
10317 (vect_set_verbosity_level): New function.
10318 (vectorize_loops): Add call to vect_set_dump_settings.
10319
10320 (slpeel_make_loop_iterate_ntimes): Dump condition was changed.
10321 (slpeel_tree_duplicate_loop_to_edge_cfg): Likewise.
10322 (slpeel_tree_peel_loop_to_edge): Likewise.
10323
10324 (vect_analyze_offset_expr): Call to vect_print_dump_info with
10325 appropriate verbosity level instead of call to vect_debug_details
10326 or vect_debug_stats.
10327 (vect_get_base_and_offset):
10328 (vect_create_addr_base_for_vector_ref):
10329 (get_vectype_for_scalar_type):
10330 (vect_create_data_ref_ptr):
10331 (vect_init_vector):
10332 (vect_get_vec_def_for_operand):
10333 (vect_finish_stmt_generation):
10334 (vectorizable_assignment):
10335 (vectorizable_operation):
10336 (vectorizable_store):
10337 (vectorizable_load):
10338 (vect_transform_stmt):
10339 (vect_update_ivs_after_vectorizer):
10340 (vect_do_peeling_for_loop_bound):
10341 (vect_update_inits_of_drs):
10342 (vect_do_peeling_for_alignment):
10343 (vect_transform_loop):
10344 (vect_is_simple_use):
10345 (vect_analyze_operations):
10346 (vect_is_simple_iv_evolution):
10347 (vect_analyze_scalar_cycles):
10348 (vect_analyze_data_ref_dependence):
10349 (vect_analyze_data_ref_dependences):
10350 (vect_compute_data_ref_alignment):
10351 (vect_enhance_data_refs_alignment):
10352 (vect_analyze_data_refs_alignment):
10353 (vect_analyze_data_ref_access):
10354 (vect_analyze_data_ref_accesses):
10355 (vect_analyze_pointer_ref_access):
10356 (vect_get_memtag_and_dr):
10357 (vect_analyze_data_refs):
10358 (vect_mark_relevant):
10359 (vect_stmt_relevant_p):
10360 (vect_mark_stmts_to_be_vectorized):
10361 (vect_can_advance_ivs_p):
10362 (vect_get_loop_niters):
10363 (vect_analyze_loop_form):
10364 (vect_analyze_loop):
10365 (vectorize_loops): Likewise.
10366
10367 (vect_do_peeling_for_loop_bound): Dump format slightly changed.
10368 (vect_update_inits_of_drs):
10369 (vect_do_peeling_for_alignment):
10370 (vect_transform_loop):
10371 (vect_analyze_operations):
10372 (vect_analyze_scalar_cycles):
10373 (vect_analyze_data_ref_dependences):
10374 (vect_analyze_data_refs_alignment):
10375 (vect_analyze_data_ref_accesses):
10376 (vect_analyze_data_refs):
10377 (vect_mark_stmts_to_be_vectorized):
10378 (vect_get_loop_niters):
10379 (vect_analyze_loop_form):
10380 (vect_analyze_loop): Likewise.
10381 (vect_mark_stmts_to_be_vectorized): Add call to print_generic_expr.
10382
10383 2005-02-07 Richard Sandiford <rsandifo@redhat.com>
10384
10385 PR bootstrap/19796
10386 Revert:
10387 2005-01-26 Richard Sandiford <rsandifo@redhat.com>
10388 * config/mips/iris6.h (ENDFILE_SPEC): Don't link in irix-csr.o if
10389 either -ffast-math or -funsafe-math-optimizations is in use.
10390
10391 2005-01-24 Richard Sandiford <rsandifo@redhat.com>
10392 * config/mips/irix-csr.c: New file.
10393 * config/mips/t-iris6 (irix-csr.o): New rule to build it.
10394 (EXTRA_MULTILIB_PARTS): Add irix-csr.o.
10395 * config/mips/iris6.h (ENDFILE_SPEC): Include it in n32 and n64
10396 executables.
10397
10398 2005-02-07 Alexandre Oliva <aoliva@redhat.com>
10399
10400 * config/mn10300/linux.h (LIB_SPEC, STARTFILE_SPEC): Remove
10401 redundant, incorrect definitions.
10402
10403 * config/frv/frv.md ("tls_indirect_call"): Turn into libcall-like
10404 expand.
10405 ("*tls_indirect_call"): New, reference hard regs directly.
10406 * config/frv/frv.c (gen_inlined_tls_plt): Adjust.
10407
10408 2005-02-07 Ralf Corsepius <ralf.corsepius@rtems.org>
10409
10410 * config/arm/rtems-elf.h (SUBTARGET_EXTRA_ASM_SPEC):
10411 Let !-mhard-float !-msoft-float imply -mfpu=softfpa.
10412
10413 2005-02-06 Roger Sayle <roger@eyesopen.com>
10414
10415 PR rtl-optimization/19800
10416 * simplify_rtx.c (simplify_relational_operation_1): Explicitly
10417 call gen_lowpart_common and gen_lowpart_SUBREG instead of calling
10418 gen_lowpart.
10419
10420 2005-02-07 Ralf Corsepius <ralf.corsepius@rtems.org>
10421
10422 * config/m68k/t-rtems (MULTILIB_MATCHES): Let m528x match m5200.
10423
10424 2005-02-07 Joseph S. Myers <joseph@codesourcery.com>
10425
10426 PR other/17135
10427 * doc/invoke.texi: Correct documentation of -freorder-functions.
10428
10429 2005-02-06 Joseph S. Myers <joseph@codesourcery.com>
10430
10431 PR other/14402
10432 * doc/invoke.texi: Don't mention gccbug.
10433
10434 2005-02-06 Roger Sayle <roger@eyesopen.com>
10435 Andrew Pinski <pinskia@physics.uc.edu>
10436 Paolo Bonzini <paolo.bonzini@lu.unisi.ch>
10437
10438 * simplify-rtx.c (simplify_relational_operation_1): Simplify
10439 (ne:SI (zero_extract:SI FOO (const_int 1) BAR) (const_int 0))
10440 into just (zero_extract:SI FOO (const_int 1) BAR).
10441
10442 2005-02-06 Joseph S. Myers <joseph@codesourcery.com>
10443
10444 * doc/cpp.texi: Include gcc-common.texi. Don't define gcctabopt
10445 macro locally. Don't give last revision date. Use GCC version
10446 number from gcc-common.texi.
10447 * doc/cppinternals.texi: Include gcc-common.texi. Don't give last
10448 revision date. Use GCC version number from gcc-common.texi.
10449 Describe being a library as current state rather than as 3.x
10450 history.
10451 * doc/gcc.texi: Remove last update date.
10452 * doc/gccint.texi: Likewise. Update copyright dates.
10453 * doc/install.texi: Update copyright dates.
10454
10455 2005-02-06 Joseph S. Myers <joseph@codesourcery.com>
10456
10457 PR other/7549
10458 * doc/invoke.texi: Mention for each option included in -Wall that
10459 it is included in -Wall.
10460 * doc/gcc.texi: Update copyright and last modification date.
10461
10462 2005-02-06 Zdenek Dvorak <dvorakz@suse.cz>
10463
10464 * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Do not add
10465 unnecessary cast to original induction variable increments.
10466
10467 2005-02-06 Zdenek Dvorak <dvorakz@suse.cz>
10468
10469 PR tree-optimization/18219
10470 * tree-ssa-loop-ivopts.c (get_computation_at): Produce computations
10471 in distributed form.
10472
10473 2005-02-06 Richard Sandiford <rsandifo@redhat.com>
10474
10475 * expmed.c (store_bit_field): Make the SUBREG code adjust bitnum.
10476 Set bitpos and offset later in the function. Do nothing if the
10477 target is a register and if the bitfield lies completely outside
10478 that register.
10479 (extract_bit_field): Make the same SUBREG, bitpos and offset changes
10480 here. Return an uninitialised register if the source value is stored
10481 in a register and the bitfield lies completely outside that register.
10482
10483 2005-02-06 Steven Bosscher <stevenb@suse.de>
10484
10485 * df.c (df_insn_refs_record): Use XEXP to get the operand of a USE,
10486 not SET_DEST.
10487
10488 2005-02-06 Marcin Dalecki <martin@dalecki.de>
10489
10490 * diagnostic.c (default_diagnostic_finalizer): Fix use of attribute.
10491
10492 2005-02-06 Geoffrey Keating <geoffk@apple.com>
10493
10494 * config.gcc (*-*-darwin*): Separate darwin7 and darwin8 configs.
10495 * config/darwin8.h: New.
10496 * config/darwin7.h: Update comment.
10497
10498 2005-02-03 Leehod Baruch <leehod@il.ibm.com>
10499 Dorit Naishlos <dorit@il.ibm.com>
10500
10501 * tree-vectorizer.h (LOC): New type.
10502 (UNKNOWN_LOC, EXPR_LOC, LOC_FILE, LOC_LINE): New macros.
10503 (loop_line_number): New field in struct _loop_vec_info.
10504 (LOOP_VINFO_LOC, LOOP_LOC): New macros.
10505
10506 * tree-vectorizer.c (input.h): Included.
10507 (find_loop_location): New function.
10508 (vect_debug_stats): Argument changed from loop to LOC. Computation of
10509 loop line number removed.
10510 (vect_debug_details): Likewise.
10511 (new_loop_vec_info): Initialize new field LOOP_VINFO_LOC.
10512
10513 (slpeel_make_loop_iterate_ntimes): Call find_loop_location. Argument in
10514 call to vect_debug_details/stats changed from loop to loop_loc.
10515 (slpeel_tree_duplicate_loop_to_edge_cfg): Likewise.
10516 (slpeel_tree_peel_loop_to_edge): Likewise.
10517
10518 (vect_analyze_offset_expr): Argument in call to vect_debug_details/stats
10519 changed from NULL to UNKNOWN_LOC.
10520 (vect_get_base_and_offset):
10521 (vect_create_addr_base_for_vector_ref):
10522 (get_vectype_for_scalar_type):
10523 (vect_create_data_ref_ptr):
10524 (vect_init_vector):
10525 (vect_get_vec_def_for_operand):
10526 (vect_finish_stmt_generation):
10527 (vectorizable_assignment):
10528 (vectorizable_operation):
10529 (vectorizable_store):
10530 (vectorizable_load):
10531 (vect_transform_stmt):
10532 (vect_update_ivs_after_vectorizer):
10533 (vect_do_peeling_for_loop_bound):
10534 (vect_do_peeling_for_alignment):
10535 (vect_transform_loop):
10536 (vect_is_simple_use):
10537 (vect_analyze_operations):
10538 (vect_is_simple_iv_evolution):
10539 (vect_analyze_scalar_cycles):
10540 (vect_analyze_data_ref_dependences):
10541 (vect_compute_data_ref_alignment):
10542 (vect_enhance_data_refs_alignment):
10543 (vect_analyze_data_ref_access):
10544 (vect_analyze_data_ref_accesses):
10545 (vect_analyze_pointer_ref_access):
10546 (vect_get_memtag_and_dr):
10547 (vect_analyze_data_refs):
10548 (vect_mark_relevant):
10549 (vect_stmt_relevant_p):
10550 (vect_mark_stmts_to_be_vectorized):
10551 (vect_can_advance_ivs_p):
10552 (vect_get_loop_niters):
10553 (vect_analyze_loop):
10554 (vectorize_loops): Likewise.
10555
10556 (vectorizable_load): Argument in call to vect_debug_details/stats
10557 changed from loop to LOOP_LOC (loop_vinfo).
10558 (vect_transform_loop):
10559 (vect_analyze_operations):
10560 (vect_analyze_scalar_cycles):
10561 (vect_analyze_data_ref_dependence):
10562 (vect_enhance_data_refs_alignment):
10563 (vect_analyze_data_ref_accesses):
10564 (vect_analyze_pointer_ref_access):
10565 (vect_analyze_data_refs):
10566 (vect_analyze_loop): Likewise.
10567
10568 (vect_analyze_loop_form): Argument in call to vect_debug_details/stats
10569 changed from loop to loop_loc.
10570
10571 (vect_enhance_data_refs_alignment): Removed unused variable loop.
10572
10573 2005-02-03 Leehod Baruch <leehod@il.ibm.com>
10574 Dorit Naishlos <dorit@il.ibm.com>
10575
10576 * tree-vectorizer.c (vect_analyze_data_ref_dependence): Function
10577 declaration added.
10578 (vect_analyze_data_ref_dependences): Likewise.
10579
10580 (vect_is_simple_use): Argument changed from loop structure to
10581 loop_vect_info structure.
10582 (vect_can_advance_ivs_p): Likewise.
10583 (vect_create_index_for_vector_ref): Likewise.
10584 (vect_update_ivs_after_vectorizer): Likewise.
10585 (new_stmt_vec_info): Likewise.
10586
10587 (new_loop_vec_info): Second argument in call to new_stmt_vec_info was
10588 changed from loop to loop_vinfo.
10589 (vect_create_data_ref_ptr): First argument in call to
10590 vect_create_index_for_vector_ref was changed from loop to loop_vinfo.
10591 (vectorizable_assignment): Second argument in call to vect_is_simple_use
10592 was changed from loop to loop_vinfo.
10593 (vectorizable_operation): Likewise.
10594 (vectorizable_store): Likewise.
10595 (vect_mark_stmts_to_be_vectorized): Likewise.
10596 (vect_do_peeling_for_loop_bound): First argument in call to
10597 vect_update_ivs_after_vectorizer was changed from loop to loop_vinfo.
10598 (vect_analyze_operations): Argument in call to vect_can_advance_ivs_p
10599 was changed from loop to loop_vinfo.
10600 (vect_analyze_data_ref_dependences): Third argument in call to
10601 vect_analyze_data_ref_dependence was changed from loop to loop_vinfo.
10602
10603 (vect_create_index_for_vector_ref): Get the loop from loop_vinfo.
10604 (vect_create_data_ref_ptr): Likewise.
10605 (vect_init_vector): Likewise.
10606 (vect_get_vec_def_for_operand): Likewise.
10607 (vectorizable_assignment): Likewise.
10608 (vectorizable_operation): Likewise.
10609 (vectorizable_store): Likewise.
10610 (vectorizable_load): Likewise.
10611 (vect_update_ivs_after_vectorizer): Likewise.
10612 (vect_is_simple_use): Likewise.
10613 (vect_analyze_data_ref_dependence): Likewise.
10614 (vect_analyze_pointer_ref_access): Likewise.
10615 (vect_can_advance_ivs_p): Likewise.
10616
10617 * tree-vectorizer.h: (_loop_vec_info): Definition and macros moved
10618 before _stmt_vec_info.
10619 (_stmt_vec_info): Loop field replaced by loop_vec_info.
10620 (STMT_VINFO_LOOP): Replaced with STMT_VINFO_LOOP_VINFO.
10621 (new_stmt_vec_info): Argument changed from loop structure to
10622 loop_vect_info structure
10623
10624 (vect_analyze_data_ref_dependences): Unnecessary line was removed.
10625 (vect_analyze_offset_expr): Avoid 80 columns overflow.
10626 (vect_create_addr_base_for_vector_ref): Likewise.
10627 (vect_analyze_pointer_ref_access): Likewise.
10628
10629 2005-02-03 Andrew Pinski <pinskia@physics.uc.edu>
10630
10631 PR tree-opt/19768
10632 * tree-ssa-dse.c (fix_phi_uses): Update the occurs in abnormal
10633 phi flag if the phi is abnormal.
10634
10635 2005-02-03 Andrew Pinski <pinskia@physics.uc.edu>
10636
10637 PR tree-opt/19736
10638 * tree-ssa.c (replace_immediate_uses): Update the immediate_uses
10639 information for the new statement.
10640
10641 2005-02-03 Joseph S. Myers <joseph@codesourcery.com>
10642
10643 PR driver/19117
10644 * gcc.c (main): Include the target in -v output.
10645
10646 2005-02-03 Alexandre Oliva <aoliva@redhat.com>
10647
10648 * combine.c (simplify_comparison, case SIGN_EXTEND, ZERO_EXTEND):
10649 Do not drop the extend if we'd have to add a paradoxical subreg
10650 later. Include optabs.h and insn-codes.h.
10651 * Makefile.in (combine.o): Depend on $(OPTABS_H).
10652
10653 2005-02-02 Roger Sayle <roger@eyesopen.com>
10654
10655 PR middle-end/19405
10656 * real.h (REAL_MODE_FORMAT_COMPOSITE_P): New macro.
10657 * fold-const.c (const_binop): Avoid constant folding floating
10658 point operations in modes that use composite representations.
10659 * simplify-rtx.c (simplify_binary_operation): Likewise.
10660
10661 2005-02-02 Geoffrey Keating <geoffk@apple.com>
10662
10663 * config/rs6000/altivec.md (altivec_dst): Make the first operand
10664 a REG, not a MEM.
10665 (altivec_dstt): Likewise.
10666 (altivec_dstst): Likewise.
10667 (altivec_dststt): Likewise.
10668 * config/rs6000/rs6000.c (altivec_expand_dst_builtin): Adjust creation
10669 of first operand.
10670
10671 2005-02-03 Dorit Naishlos <dorit@il.ibm.com>
10672
10673 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Copy
10674 EXPR_LOCUS from orig_cond to the new cond_stmt.
10675 (vect_finish_stmt_generation): Copy EXPR_LOCUS from stmt to
10676 the new vec_stmt.
10677
10678 2005-02-03 Dorit Naishlos <dorit@il.ibm.com>
10679
10680 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Call
10681 standard_iv_increment_position. Remove call to bsi_next
10682 (no need to bump the iterator anymore).
10683 (vect_create_index_for_vector_ref): Call
10684 standard_iv_increment_position. Remove second function argument.
10685 (vect_finish_stmt_generation): Remove call to bsi_next
10686 (no need to bump the iterator anymore).
10687 (vect_create_data_ref_ptr): Remove second argument (bsi) in call
10688 to vect_create_index_for_vector_ref.
10689
10690 2005-02-03 Dorit Naishlos <dorit@il.ibm.com>
10691
10692 * tree-vectorizer.c (vect_mark_stmts_to_be_vectorized): Check if
10693 phis are used out of the loop.
10694
10695 2005-02-03 Joseph S. Myers <joseph@codesourcery.com>
10696
10697 PR c/17807
10698 * c-decl.c (undef_nested_function): New variable.
10699 (pop_scope): Diagnose undefined nested functions.
10700 (finish_function): Don't attempt cgraph processing or genericizing
10701 if current top-level function contained an undefined nested
10702 function. Reset undef_nested_function at the end of a top-level
10703 function.
10704
10705 2005-02-02 Zdenek Dvorak <dvorakz@suse.cz>
10706
10707 * tree.c (build_int_cst_type): Take sign of the value into account
10708 when deciding whether sign extend the value.
10709
10710 2005-02-02 Joseph S. Myers <joseph@codesourcery.com>
10711
10712 PR c/18502
10713 * gcc.c (cpp_unique_options): Remove %{trigraphs}.
10714 (cpp_options, cc1_options): Change %{std*&ansi} to
10715 %{std*&ansi&trigraphs}.
10716
10717 2005-02-02 Kazu Hirata <kazu@cs.umass.edu>
10718
10719 * cse.c: Update comments.
10720
10721 2005-02-02 Aldy Hernandez <aldyh@redhat.com>
10722
10723 * config/rs6000/rs6000.c (rs6000_spe_function_arg): Multi-reg
10724 arguments go on the stack. Do not put complex doubles in odd/even
10725 pairs.
10726
10727 2005-02-02 Steven Bosscher <stevenb@suse.de>
10728
10729 * doc/invoke.texi: Update the options enabled at -O1, -O2,
10730 and -O3. Update the documentation for -fgcse-sm, -fgcse-las,
10731 -ftree-pre, and -fthread-jumps.
10732
10733 2005-02-02 Richard Sandiford <rsandifo@redhat.com>
10734
10735 PR tree-optimization/19578
10736 * tree-flow.h (modified_noreturn_calls): Declare.
10737 (noreturn_call_p): Declare.
10738 * tree-flow-inline.h (noreturn_call_p): New function.
10739 (modify_stmt): Add modified noreturn calls to modified_noreturn_calls.
10740 * tree-cfg.c (modified_noreturn_calls): New variable.
10741 (cleanup_control_flow): Use noreturn_call_p. Split basic blocks
10742 that contain a mid-block noreturn call.
10743 * tree-ssa.c (delete_tree_ssa): Clear modified_noreturn_calls.
10744
10745 2005-02-02 Kazu Hirata <kazu@cs.umass.edu>
10746
10747 * df.c (df_def_record_1, df_uses_record): Don't use
10748 DF_FOR_REGALLOC.
10749 * df.h (DF_FOR_REGALLOC): Remove.
10750
10751 2005-02-02 Joseph S. Myers <joseph@codesourcery.com>
10752
10753 PR c/19435
10754 * c-typeck.c (really_start_incremental_init): Reset
10755 constructor_max_index for arrays of incomplete type.
10756
10757 2005-02-02 Jeff Law <law@redhat.com>
10758
10759 * gcse.c (struct reg_set): Store the block index where the register
10760 was set rather than the setting insn.
10761 (record_one_set, compute_transp): Corresponding changes.
10762 (pre_insert_copy_insn): Do not call replace_one_set.
10763 (replace_one_set): Remove.
10764
10765 2005-02-02 Joseph S. Myers <joseph@codesourcery.com>
10766
10767 PR other/15514
10768 * doc/gcov.texi: Fix typo.
10769
10770 2005-02-01 Richard Henderson <rth@redhat.com
10771
10772 PR target/19680
10773 * config/i386/i386.h (MODES_TIEABLE_P): Use ix86_modes_tieable_p.
10774 * config/i386/i386.c (ix86_hard_regno_mode_ok): Change return
10775 type to bool.
10776 (ix86_tieable_integer_mode_p, ix86_modes_tieable_p): New.
10777 * config/i386/i386-protos.h: Update.
10778
10779 2005-02-01 Steven Bosscher <stevenb@suse.de>
10780
10781 PR tree-optimization/19217
10782 * tree-cfg.c (verify_expr): Use the data field to see if TP was
10783 seen inside a PHI node. Do not do the ADDR_EXPR check if it was.
10784 (verify_stmts): Pass (void*)1 as data to verify_expr to signal
10785 that it is walking a PHI node.
10786
10787 2005-02-01 Joseph S. Myers <joseph@codesourcery.com>
10788
10789 * doc/extend.texi (Nested Functions): Update.
10790
10791 2005-02-01 Richard Henderson <rth@redhat.com>
10792
10793 PR 19696
10794 * optabs.c (expand_copysign_absneg): Export.
10795 * optabs.h (expand_copysign_absneg): Declare.
10796 * config/rs6000/rs6000.md (copysigntf3): New.
10797
10798 2005-02-01 Diego Novillo <dnovillo@redhat.com>
10799
10800 PR tree-optimization/19633
10801 * tree-flow.h (struct ptr_info_def): Add field 'pt_null'.
10802 * tree-ssa-alias.c (init_alias_info): Initialize.
10803 (merge_pointed_to_info): Set.
10804 (add_pointed_to_expr): Set pt_null if EXPR is a NULL pointer.
10805 (dump_points_to_info_for): Show value of pt_null.
10806 (struct count_ptr_d): Declare.
10807 (find_ptr_dereference): Remove.
10808 (ptr_is_dereferenced_by): Remove.
10809 (count_ptr_derefs): New local function.
10810 (count_uses_and_derefs): New local function.
10811 (compute_points_to_and_addr_escape): Call it. If the number
10812 of dereferences is greater than zero, mark the pointer as
10813 dereferenced. If there are fewer dereferences than uses of
10814 the pointer, the pointer's value escapes.
10815
10816 2005-02-01 Diego Novillo <dnovillo@redhat.com>
10817
10818 PR tree-optimization/19670
10819 * tree-ssa.c (verify_ssa_name): Don't set TREE_VISITED
10820 here...
10821 (verify_use): ... set it here, instead.
10822
10823 2005-02-01 Janis Johnson <janis187@us.ibm.com>
10824
10825 * doc/sourcebuild.texi (Test directives): Fix formatting.
10826
10827 * doc/sourcebuild.texi (Test directives): Describe selector
10828 expressions.
10829
10830 2005-02-01 Segher Boessenkool <segher@kernel.crashing.org>
10831
10832 * config.gcc (powerpc64-*-linux*): Default to -m64 also for
10833 specific 64-bit CPUs.
10834
10835 2005-02-01 Richard Earnshaw <rearnsha@arm.com>
10836
10837 PR target/16201
10838 * arm.c (arm_eliminable_register): New function.
10839 (adjacent_mem_locations): Don't allow eliminable registers. Use
10840 HOST_WIDE_INT for address offsets.
10841 * arm-protos.h (arm_eliminable_register): Add prototype.
10842
10843 2005-02-01 Steven Bosscher <stevenb@suse.de>
10844
10845 PR optimization/15242
10846 * params.def (PARAM_MAX_GOTO_DUPLICATION_INSNS): New param.
10847 * basic-block.h (duplicate_computed_gotos): Add prototype.
10848 * bb-reorder.c (duplicate_computed_gotos): New function to
10849 duplicate sufficiently small blocks ending in a computed jump.
10850 * passes.c (rest_of_compilation): Call duplicate_computed_gotos
10851 if not optimizing for size.
10852 * cfgcleanup.c (try_crossjump_bb): If not optimizing for size,
10853 never do tail merging for blocks ending in a computed jump.
10854 * doc/invoke.texi: Document the max-goto-duplication-insns param.
10855
10856 2005-02-01 Eric Botcazou <ebotcazou@libertysurf.fr>
10857
10858 Patch from Richard Sandiford <rsandifo@redhat.com>
10859 * reload1.c (choose_reload_regs): Prevent the find_equiv_reg() code
10860 from inheriting a subreg equivalence with a non-spill register.
10861
10862 * tree.h (DECL_FUNCTION_CODE): Document that it is overloaded.
10863
10864 2005-02-01 Alexandre Oliva <aoliva@redhat.com>
10865
10866 * config/frv/frv.c (movcc_fp_destination_operand): New.
10867 (gpr_or_memory_operand): Fix typo in comment.
10868 (gpr_or_memory_operand_with_scratch): New.
10869 * config/frv/frv.h (PREDICATE_CODES): Add the two new predicates.
10870 * config/frv/frv.md (movcc_fp, movcc_fp_internal): Use
10871 movcc_fp_destination_operand.
10872 (reload_incc_fp): Use gpr_or_memory_operand_with_scratch.
10873 Legitimize memory addresses using a scratch register.
10874
10875 2005-01-31 Jeff Law <law@redhat.com>
10876
10877 * tree-into-ssa.c (mark_def_sites_global_data): Make KILLS
10878 bitmap a sparse bitmap instead of a simple bitmap.
10879 (mark_def_sites_initialize_block): Corresponding changes.
10880 (ssa_mark_def_sites_initialize_block): Likewise.
10881 (ssa_mark_phi_uses): Likewise.
10882 (mark_def_site, ssa_mark_def_sites): Likewise.
10883 (mark_def_site_blocks): Likewise.
10884 (rewrite_ssa_into_ssa): Likewise.
10885
10886 * tree-ssa-dom.c (record_cond): Pass correct variable type
10887 for last argument to htab_find_slot_with_hash.
10888
10889 * fold-const.c (fold, case CEIL_MOD_EXPR): Do not lose side
10890 effects when optimizing 0 % X. Do not try to optimize X % 0.
10891
10892 2005-01-31 James E. Wilson <wilson@specifixinc.com>
10893
10894 * config/ia64/itanium1.md (1_scall bypass): Change 2_mmalua to
10895 1_mmalua.
10896
10897 2005-02-01 Eric Christopher <echristo@redhat.com>
10898
10899 * config/mips/mips.c (override_options): Warn if -mint64
10900 is used.
10901 * doc/invoke.texi (MIPS Options): Document that -mint64 is
10902 deprecated.
10903
10904 2005-02-01 Kazu Hirata <kazu@cs.umass.edu>
10905
10906 * cse.c (cse_reg_info): Remove hash_next, next, regno. Add
10907 timestamp.
10908 (cse_reg_info_list, cse_reg_info_list_free, REGHASH_SHIFT,
10909 REGHASH_SIZE, REGHASH_MASK, reg_hash, REGHASH_FN,
10910 cached_cse_reg_info, GET_CSE_REG_INFO): Remove.
10911 (cached_regno): Initialize to INVALID_REGNUM.
10912 (cse_reg_info_table_size,
10913 cse_reg_info_table_first_uninitialized,
10914 cse_reg_info_timestamp): New.
10915 (REG_TICK, REG_IN_TABLE, SUBREG_TICKED, REG_QTY): Use
10916 get_cse_reg_info.
10917 (init_cse_reg_info, get_cse_reg_info_1): New.
10918 (get_cse_reg_info): Cache the last look-up.
10919 (new_basic_block): Update the code to clear mappings from
10920 registers to cse_reg_info entries.
10921 (cse_main): Call init_cse_reg_info.
10922
10923 * cse.c (get_cse_reg_info): Update a comment.
10924
10925 2005-01-31 Steven Bosscher <stevenb@suse.de>
10926
10927 PR c/19333
10928 * c-decl.c (start_decl): Do not warn about arrays of elements with
10929 an incomplete type here.
10930 (grokdeclarator): Do it here by making a pedwarn an error.
10931 * c-typeck.c (push_init_level): If there were previous errors with
10932 the constructor type, do not warn about braces for initializers.
10933 (process_init_element): Likewise for excess initializer elements.
10934
10935 2005-01-31 Kazu Hirata <kazu@cs.umass.edu>
10936
10937 * cse.c (delete_trivially_dead_insn): Don't iterate.
10938
10939 2005-01-31 Andrew Pinski <pinskia@physics.uc.edu>
10940
10941 * config/rs6000/rs6000.md (copysignsf3): New expand.
10942 (copysigndf3): Likewise.
10943
10944 2005-01-31 Steven Bosscher <stevenb@suse.de>
10945
10946 * recog.c (constrain_operands): Only look for earlyclobber operand
10947 conflicts if an '&' constraint was seen.
10948
10949 2005-01-31 Marc Espie <espie@openbsd.org>
10950
10951 * config.gcc: Don't include embedded systems fragment, switches default
10952 debugging format to ELF.
10953 * config/i386/openbsdelf.h: Add DBX_REGISTER_NUMBER since we no
10954 longer pick it up there.
10955
10956 2005-01-31 Dale Johannesen <dalej@apple.com>
10957
10958 * doc/extend.texi (nested functions): Fix linkage description.
10959 Clarify that static is not allowed.
10960
10961 2005-01-31 Dale Johannesen <dalej@apple.com>
10962
10963 * config/rs6000/darwin.md (movsf_low_di): Make work.
10964 (movdf_low_di): Make work.
10965
10966 2005-01-31 Dale Johannesen <dalej@apple.com>
10967
10968 * config/rs6000/darwin-tramp.asm (__trampoline_setup):
10969 Make work for 64 bit.
10970
10971 2005-01-31 Roger Sayle <roger@eyesopen.com>
10972 Dale Johannesen <dalej@apple.com>
10973
10974 PR middle-end/19650
10975 * fold-const.c (fold_binary_op_with_conditional_arg):
10976 Make types match original operands, before STRIP_NOPS.
10977
10978 2005-01-31 Alan Modra <amodra@bigpond.net.au>
10979
10980 * config/rs6000/linux-unwind.h (struct gcc_vregs): New.
10981 (struct gcc_regs): Rename from gcc_pt_regs. Add more regs.
10982 (struct gcc_sigcontext): Delete. Merge contents to..
10983 (struct gcc_ucontext): ..here.
10984 (get_sigcontext): Delete.
10985 (get_regs): New function, like get_sigcontext but return regs ptr.
10986 64-bit version finds regs from r1 to support vdso.
10987 (ppc_linux_aux_vector): New function.
10988 (ppc_fallback_frame_state): Modify for get_regs. Restore fprs
10989 and vector regs.
10990
10991 2005-01-31 Ira Rosen <irar@il.ibm.com>
10992
10993 * tree-vectorizer.c (vect_analyze_offset_expr): Use ssizetype instead
10994 sizetype.
10995 (vect_get_base_and_offset): Use ssizetype instead sizetype. Remove
10996 redundant fold. Fix misalignment for MINUS_EXPR.
10997 (vect_compute_data_ref_alignment): Use ssizetype instead sizetype.
10998 (vect_analyze_pointer_ref_access): Likewise.
10999 (vect_get_memtag_and_dr): Likewise.
11000
11001 2005-01-31 Richard Henderson <rth@redhat.com>
11002
11003 * config/i386/i386.c (absnegsf2_mixed): Remove all of the # hackery.
11004 (absnegsf2_sse, absnegsf2_i387, absnegdf2_mixed, absnegdf2_sse,
11005 absnegdf2_i387, absnegxf2_i387): Likewise.
11006
11007 2005-01-31 Richard Henderson <rth@redhat.com>
11008
11009 PR 19696
11010 * optabs.c (expand_copysign_absneg): New.
11011 (expand_copysign_bit): Split out from ...
11012 (expand_copysign): ... here. Use expand_copysign_absneg.
11013
11014 2005-01-30 Roger Sayle <roger@eyesopen.com>
11015
11016 PR middle-end/19697
11017 * config/pa/pa.md (anddi3, iordi3): On HPPA64, disallow an integer
11018 constant as the second operand and a register as the third.
11019
11020 2005-01-31 Danny Smith <dannysmith@users.sourceforge.net>
11021
11022 PR target/19704
11023 * config/i386/i386.c (ix86_function_ok_for_sibcall): Also check
11024 that dllimport'd functions do not use all call-clobbered registers
11025 to pass parameters.
11026
11027 2005-01-30 Richard Henderson <rth@redhat.com>
11028
11029 PR 19696
11030 * optabs.c (expand_absneg_bit): Split out from expand_unop and
11031 expand_abs_nojump and generalize. Use operand_subword and
11032 emit_no_conflict_block. Support large modes.
11033 (expand_abs_nojump): Use it. Use HONOR_SIGNED_ZEROS to fall
11034 back to maximum.
11035 (expand_unop): Likewise. Use HONOR_SIGNED_ZEROS to fall back
11036 negation to subtraction.
11037 (expand_copysign): Check that the format has signed zeros.
11038 Use operand_subword and emit_no_conflict_block. Support large modes.
11039
11040 2005-01-30 Daniel Berlin <dberlin@dberlin.org>
11041
11042 Fix PR tree-optimization/19624
11043
11044 * Makefile.in (tree-ssa-pre.o): Add CFGLOOP_H.
11045 * tree-ssa-pre.c: Add cfgloop.h.
11046 Update comment.
11047 (pre_stats): New member, constified.
11048 (inserted_exprs): New static variable.
11049 (NECESSARY): New macro.
11050 (create_expression_by_pieces): Fold the expression, and
11051 mark it as defaulting to not necessary. Also put in
11052 inserted_exprs.
11053 (fully_constant_expression): New function.
11054 (insert_into_preds_of_block): Modify to not insert phis when we
11055 are playing with induction variables.
11056 Push phis onto the inserted_exprs vector, and mark them as not
11057 necessary by default.
11058 (insert_aux): Call fully_constant_expression on eprime.
11059 If all edges produce the same value, mark it constant.
11060 (mark_operand_necessary): New function.
11061 (remove_dead_inserted_code): New function.
11062 (init_pre): Init loop optimizer to get loop info.
11063 (fini_pre): Free loop_optimizer, and inserted_exprs vec.
11064 (execute_pre): Commit edge inserts, then remove dead code.
11065
11066 2005-01-30 Richard Henderson <rth@redhat.com>
11067
11068 * rtl.c (rtx_equal_p): No early exit for CONST_VECTOR.
11069 * varasm.c (const_rtx_hash_1): Handle CONST_VECTOR.
11070
11071 2005-01-30 Richard Henderson <rth@redhat.com>
11072
11073 PR target/19700
11074 * config/i386/i386.c (ix86_expand_copysign): New.
11075 (ix86_split_copysign_const): New.
11076 (ix86_split_copysign_var): Rename from ix86_split_copysign,
11077 rearrange op1/nmask operands.
11078 * config/i386/i386-protos.h: Update.
11079 * config/i386/i386.md (copysignsf3): Use ix86_expand_copysign.
11080 (copysigndf3): Likewise.
11081 (copysignsf3_const, copysigndf3_const): New.
11082 (copysignsf3_var): Rename from copysignsf3, split out splitter
11083 and fix split predicate for X constraint.
11084 (copysigndf3_var): Similarly.
11085
11086 2005-01-30 Kazu Hirata <kazu@cs.umass.edu>
11087
11088 * optabs.c, doc/c-tree.texi, doc/install.texi, doc/md.texi,
11089 doc/passes.texi, doc/rtl.texi, doc/sourcebuild.texi,
11090 doc/tm.texi, doc/tree-ssa.texi: Update copyright.
11091
11092 2005-01-29 Richard Henderson <rth@redhat.com>
11093
11094 PR target/19690
11095 * config/i386/i386.md (movdf_nointeger, movdf_integer): Fix ordering
11096 of # and * in constraints.
11097
11098 2005-01-29 Richard Henderson <rth@redhat.com>
11099
11100 PR middle-end/19689
11101 * expr.c (store_field): Don't strip sub-mode cast when the input
11102 data is even smaller.
11103
11104 2005-01-29 Richard Henderson <rth@redhat.com>
11105
11106 PR middle-end/19687
11107 * expr.c (categorize_ctor_elements_1): Check for CONSTRUCTOR of a
11108 union being empty.
11109
11110 2005-01-29 Richard Henderson <rth@redhat.com>
11111
11112 * combine.c (make_field_assignment): Fix argument order
11113 to gen_int_mode.
11114
11115 2005-01-29 Richard Guenther <richard.guenther@uni-tuebingen.de>
11116
11117 PR tree-optimization/15791
11118 * fold-const.c (extract_array_ref): New function.
11119 (fold): Fold comparisons between &a[i] and &a[j] or
11120 semantically equivalent trees.
11121
11122 2005-01-29 Jeff Law <law@redhat.com>
11123
11124 * gcse.c (insert_expr_in_table): Revamp handling of available
11125 and anticipatable occurrence lists to avoid unnecessary list
11126 walking.
11127 (insert_set_in_table): Similarly.
11128
11129 2005-01-29 Joseph S. Myers <joseph@codesourcery.com>
11130
11131 * c-common.c (fix_string_type): Just use c_build_qualified_type to
11132 build string type.
11133 (c_build_qualified_type): Build qualified array types with
11134 TYPE_MAIN_VARIANT pointing to corresponding unqualified type.
11135 * c-decl.c (c_make_fname_decl): Build unqualified array type
11136 before qualified type.
11137 (grokdeclarator): Use TYPE_MAIN_VARIANT of typedef type if element
11138 type is qualified, not just if type itself is. Don't apply
11139 qualifiers to array type when declarator is processed. Apply
11140 qualifiers to field type whether or not it is an array type.
11141 Don't handle array types specially for applying qualifiers to
11142 variables.
11143 * c-typeck.c (composite_type): Build unqualified element type and
11144 array type when forming composite of array types.
11145 (common_pointer_type, comptypes, comp_target_types,
11146 type_lists_compatible_p, build_indirect_ref, build_array_ref,
11147 convert_for_assignment): Don't apply TYPE_MAIN_VARIANT to array
11148 types.
11149 (type_lists_compatible_p): Cache TREE_VALUE (args1) and TREE_VALUE
11150 (args2) in variables a1 and a2.
11151
11152 2005-01-29 Kazu Hirata <kazu@cs.umass.edu>
11153
11154 * cse.c (n_elements_made, max_elements_made): Remove.
11155 (insert): Don't touch n_elements_made.
11156 (cse_main): Don't touch n_elements_made or max_elements_made.
11157
11158 2005-01-28 Stephane Carrez <stcarrez@nerim.fr>
11159
11160 PR target/15384
11161 * config/m68hc11/t-m68hc11-gas (dp-bit.c): Fix typo causing a
11162 configuration part of dp-bit.c to be lost.
11163
11164 2005-01-28 Roger Sayle <roger@eyesopen.com>
11165
11166 * expmed.c (expand_mult_highpart_optab): When attempting to use
11167 a non-widening multiplication in a wider mode, the operands need
11168 to be converted (zero or sign extended) to that mode.
11169
11170 2005-01-28 Ian Lance Taylor <ian@airs.com>
11171
11172 PR middle-end/16558
11173 PR middle-end/19583
11174 * gimple-low.c (block_may_fallthru): TRY_FINALLY_EXPR only falls
11175 through if both operands fall through.
11176
11177 2005-01-28 Kazu Hirata <kazu@cs.umass.edu>
11178
11179 * cse.c (fold_rtx) <PC>: Don't optimize.
11180
11181 2005-01-28 Jeff Law <law@redhat.com>
11182
11183 * fold-const.c (fold, case CEIL_MOD_EXPR): Optimize 0 % X.
11184 (case FLOOR_MOD_EXPR, ROUND_MOD_EXPR, TRUNC_MOD_EXPR): Similarly.
11185
11186 2005-01-28 Kazu Hirata <kazu@cs.umass.edu>
11187
11188 * cse.c (cse_reg_info_free_list, cse_reg_info_used_list,
11189 cse_reg_info_used_list_end): Remove.
11190 (cse_reg_info_list, cse_reg_info_list_free): New.
11191 (get_cse_reg_info): When allocating an instance of
11192 cse_reg_info, add it to the beginning of the cse_reg_info_list
11193 list. Remove code to maintain cse_reg_info_used_list.
11194 (new_basic_block): Reset the free list to the beginning of
11195 cse_reg_info_list.
11196
11197 2005-01-28 Richard Sandiford <rsandifo@redhat.com>
11198
11199 * config/frv/frv.c (bdesc_2arg): Remove __MDPACKH.
11200 (frv_init_builtins): Change its prototype to take 4 uhalf arguments.
11201 (frv_expand_mdpackh_builtin): New function.
11202 (frv_expand_builtin): Use it to expand __MDPACKH.
11203 * doc/extend.texi (__MDPACKH): Update documentation.
11204
11205 2005-01-28 Uros Bizjak <uros@kss-loka.si>
11206
11207 * config/i386/i386.c (ix86_expand_fp_absneg_operator): Use
11208 SSE_FLOAT_MODE_P for use_sse computation.
11209
11210 2005-01-28 Ralf Corsepius <ralf.corsepius@rtems.org>
11211
11212 PR target/19663
11213 * config/sparc/rtemself.h (LINK_GCC_C_SEQUENCE_SPEC): undefine.
11214
11215 2005-01-27 Richard Henderson <rth@redhat.com>
11216
11217 * builtins.c (expand_builtin_copysign): New.
11218 (expand_builtin): Call it.
11219 * genopinit.c (optabs): Add copysign_optab.
11220 * optabs.c (init_optabs): Initialize it.
11221 (expand_copysign): New.
11222 * optabs.h (OTI_copysign, copysign_optab): New.
11223 (expand_copysign): Declare.
11224
11225 * config/alpha/alpha.md (UNSPEC_COPYSIGN): New.
11226 (copysignsf3, ncopysignsf3, copysigndf3, ncopysigndf3): New.
11227
11228 * config/i386/i386.c (ix86_build_signbit_mask): Split from ...
11229 (ix86_expand_fp_absneg_operator): ... here.
11230 (ix86_split_copysign): New.
11231 * config/i386/i386-protos.h: Update.
11232 * config/i386/i386.md (UNSPEC_COPYSIGN): New.
11233 (copysignsf3, copysigndf3): New.
11234
11235 * config/ia64/ia64.md (UNSPEC_COPYSIGN): New.
11236 (copysignsf3, ncopysignsf3): New.
11237 (copysigndf3, ncopysigndf3): New.
11238 (copysignxf3, ncopysignxf3): New.
11239 * config/ia64/ia64.c (rtx_needs_barrier): Handle UNSPEC_COPYSIGN.
11240
11241 2005-01-27 Arend Bayer <arend.bayer@web.de>
11242 Kazu Hirata <kazu@cs.umass.edu>
11243
11244 * cse.c: (find_best_addr): Don't call copy_rtx before calling
11245 fold_rtx. Save cost recomputation if fold_rtx did nothing.
11246 (fold_rtx) <ASM_OPERANDS>: Don't do anything if INSN is
11247 NULL_RTX.
11248
11249 2005-01-27 Jeff Law <law@redhat.com>
11250
11251 * tree-into-ssa.c (ssa_rewrite_initialize_block): Do not register
11252 definitions of SSA_NAMEs which are not being rewritten.
11253 (rewrite_ssa_into_ssa): Only initialize the current definition
11254 of an SSA_NAME if that SSA_NAME has been marked for rewriting.
11255 If checking is enabled, assert that SSA_NAME_AUX is clear for all
11256 SSA_NAMEs before returning.
11257
11258 2005-01-27 Kazu Hirata <kazu@cs.umass.edu>
11259
11260 * c-common.def, c-dump.c, c-gimplify.c, c-objc-common.c,
11261 cfgexpand.c, dbxout.c, function.h, opts.c, tree-flow-inline.h,
11262 tree-ssa-operands.h, tree-ssa-threadupdate.c, tree-tailcall.c,
11263 config/avr/avr.md, config/cris/aout.h, config/cris/cris.h,
11264 config/mips/iris6.h, config/sh/sh.c: Update copyright.
11265
11266 2005-01-27 Steven Bosscher <stevenb@suse.de>
11267
11268 PR middle-end/17278
11269 * opts.c (decode_options): Move flag_thread_jumps from -O1 and
11270 higher to -O2 and higher. Likewise for tree PRE.
11271 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Only iterate at -O2
11272 and better.
11273
11274 2005-01-27 Ian Lance Taylor <ian@airs.com>
11275
11276 PR middle-end/19583
11277 * gimple-low.c (try_catch_may_fallthru): New static function.
11278 (block_may_fallthru): Handle TRY_CATCH_EXPR.
11279 * tree-inline.c (expand_call_inline): Don't warn about reaching
11280 the end of a non-void function being inlined if the function uses
11281 a return slot.
11282
11283 2005-01-27 Jakub Jelinek <jakub@redhat.com>
11284
11285 * config/i386/i386.h (CALL_USED_REGISTERS): Fix comment pastos.
11286
11287 PR c/18946
11288 * c-decl.c (warn_if_shadowing): Handle old_decl error_mark_node.
11289 (pushdecl): Only use DECL_FILE_SCOPE_P if DECL_P.
11290 (implicitly_declare): Handle error_mark_node.
11291
11292 2005-01-27 Richard Henderson <rth@redhat.com>
11293
11294 PR tree-opt/14329
11295 * tree.h (struct tree_decl): Add debug_expr_is_from.
11296 (DECL_DEBUG_EXPR_IS_FROM): New.
11297 (DECL_DEBUG_EXPR): Rename from DECL_DEBUG_ALIAS_OF.
11298 * dwarf2out.c (dwarf2out_var_location): Update to match.
11299 * tree-outof-ssa.c (create_temp): Likewise.
11300 * var-tracking.c (track_expr_p): Likewise.
11301 * tree-sra.c (instantiate_element): Set DECL_DEBUG_EXPR.
11302 * c-objc-common.c (c_tree_printer) <'D'>: Handle DECL_DEBUG_EXPR.
11303 * toplev.c (default_tree_printer): Likewise.
11304
11305 2005-01-27 Alexandre Oliva <aoliva@redhat.com>
11306
11307 * config/frv/frv.c (frv_class_likely_spilled_p): Add GR8_REGS,
11308 GR9_REGS, GR89_REGS, FDPIC_FPTR_REGS, FDPIC_REGS.
11309
11310 2005-01-27 Steven Bosscher <stevenb@suse.de>
11311
11312 * tree.h (SWITCH_COND, SWITCH_BODY, SWITCH_LABELS, CASE_LOW,
11313 CASE_HIGH, CASE_LABEL, ASM_STRING, ASM_OUTPUTS, ASM_INPUTS,
11314 ASM_CLOBBERS): Add tree checks.
11315
11316 * c-common.h (SWITCH_TYPE): Rename to SWITCH_STMT_TYPE.
11317 (SWITCH_STMT_COND, SWITCH_STMT_BODY): New.
11318 * c-common.def (SWITCH_STMT): Update to match.
11319 * c-common.c (c_do_switch_warnings): Use SWITCH_STMT accessor
11320 macros instead of SWITCH_EXPR ones.
11321 * c-dump.c (c_dump_tree): Likewise.
11322 * c-gimplify.c (gimplify_switch_stmt): Likewise.
11323 * c-typeck.c (c_start_case, do_case, c_finish_case): Likewise.
11324
11325 * doc/c-tree.texi (SWITCH_STMT): Update accessor macro names.
11326
11327 2005-01-27 Alan Modra <amodra@bigpond.net.au>
11328
11329 * unwind-dw2.c (execute_stack_op): Add missing cases for
11330 DW_OP_shl, DW_OP_shr, DW_OP_shra, DW_OP_xor.
11331
11332 2005-01-27 Eric Botcazou <ebotcazou@libertysurf.fr>
11333
11334 * config.gcc (Obsolete configurations): Remove 'dummy', add
11335 sparclite-*-coff*, sparclite-*-elf*, sparc86x-*-elf* and
11336 sparc-*-openbsd*.
11337
11338 2005-01-26 Diego Novillo <dnovillo@redhat.com>
11339
11340 PR tree-optimization/19633
11341 * tree-ssa-alias.c (ptr_is_dereferenced_by): Also handle
11342 CALL_EXPRs.
11343 (maybe_create_global_var): Do not create .GLOBAL_VAR if there
11344 are no call-clobbered variables.
11345 * tree-outof-ssa.c (check_replaceable): Return false for calls
11346 with side-effects.
11347
11348 2005-01-26 Ulrich Weigand <uweigand@de.ibm.com>
11349
11350 * dbxout.c (dbxout_symbol_location): Resolve constant pool references
11351 even for variables with NULL DECL_INITIAL.
11352
11353 2005-01-26 Stuart Hastings <stuart@apple.com>
11354
11355 * gimplify.c (shortcut_cond_expr): Re-compute side-effects.
11356
11357 2005-01-26 Richard Henderson <rth@redhat.com>
11358
11359 PR middle-end/18008
11360 * c-decl.c (finish_struct): Set DECL_MODE after resetting a
11361 field's type.
11362 * expr.c (store_field): Strip conversions to odd-bit-sized types
11363 if the destination field width matches.
11364
11365 2005-01-26 Richard Henderson <rth@redhat.com>
11366
11367 * c-decl.c, expmed.c, expr.c: Revert last change.
11368
11369 2005-01-26 Richard Henderson <rth@redhat.com>
11370
11371 PR middle-end/18008
11372 * c-decl.c (finish_struct): Set DECL_MODE after resetting a
11373 field's type.
11374 * expmed.c (store_fixed_bit_field): Create a paradoxical subreg
11375 if we don't need the bits above those present in the current mode.
11376 * expr.c (store_field): Strip conversions to odd-bit-sized types
11377 if the destination field width matches.
11378
11379 2005-01-26 Richard Sandiford <rsandifo@redhat.com>
11380
11381 * config/mips/iris6.h (ENDFILE_SPEC): Don't link in irix-csr.o if
11382 either -ffast-math or -funsafe-math-optimizations is in use.
11383
11384 2005-01-26 Marek Michalkiewicz <marekm@amelek.gda.pl>
11385
11386 PR target/19293
11387 PR target/19329
11388 * config/avr/avr.c (notice_update_cc): Only set condition code for
11389 ashrqi3 if shift count > 0.
11390 (out_shift_with_cnt): Handle shift count <= 0 as a no-op.
11391 (ashlqi3_out, ashlhi3_out, ashlsi3_out, ashrqi3_out, ashrhi3_out,
11392 ashrsi3_out, lshrqi3_out, lshrhi3_out, lshrsi3_out): Handle shift
11393 count <= 0 as a no-op, and shift count >= width by copying zero
11394 or sign bit to all bits of the result.
11395 * config/avr/avr.md (all shifts): Add alternatives for zero shift
11396 count, with attribute "length" set to 0 and "cc" set to "none".
11397
11398 2005-01-26 Aldy Hernandez <aldyh@redhat.com>
11399
11400 * doc/invoke.texi: Document -mTLS.
11401
11402 * testsuite/gcc.target/frv/all-tls-global-dynamic.c: New.
11403 * testsuite/gcc.target/frv/all-tls-initial-exec.c: New.
11404 * testsuite/gcc.target/frv/all-tls-initial-exec-pic.c: New.
11405 * testsuite/gcc.target/frv/all-tls-local-dynamic.c: New.
11406 * testsuite/gcc.target/frv/all-tls-local-dynamic-plt.c: New.
11407 * testsuite/gcc.target/frv/all-tls-local-dynamic-plt-pic.c: New.
11408 * testsuite/gcc.target/frv/all-tls-local-exec.c: New.
11409 * testsuite/gcc.target/frv/all-tls-local-exec-TLS.c: New.
11410
11411 * configure.ac: Check for a TLS capable gas.
11412
11413 * configure: Regenerate.
11414
11415 2005-01-26 Richard Henderson <rth@redhat.com>
11416
11417 PR middle-end/18008
11418 * combine.c (make_field_assignment): Simplify store to zero_extract
11419 from a source with an overlapping mask.
11420
11421 2005-01-26 Aldy Hernandez <aldyh@redhat.com>
11422
11423 2004-11-11 Eric Christopher <echristo@redhat.com>
11424
11425 * config/frv/frv.md: Add fr400_integer automaton. Don't
11426 allow TYPE_MUL, TYPE_MACC, or TYPE_CUT to issue in parallel
11427 to TYPE_MACC.
11428
11429 2005-01-26 Steven Bosscher <stevenb@suse.de>
11430
11431 PR middle-end/16585
11432 * cfgbuild.c (make_edges): Do not clear or set
11433 current_function_has_computed_jump.
11434 * function.h (struct function): Remove the has_computed_jump field.
11435 (current_function_has_computed_jump): Do not define.
11436 * sched-rgn.c (is_cfg_nonregular): Return true if a basic block ends
11437 in a computed jump. Ignore current_function_has_computed_jump.
11438
11439 2005-01-26 Richard Henderson <rth@redhat.com>
11440
11441 PR middle-end/19515
11442 * expr.c (categorize_ctor_elements): New argument p_must_clear.
11443 (categorize_ctor_elements_1): Likewise. Detect a union that isn't
11444 fully initialized.
11445 (mostly_zeros_p): Update for new categorize_ctor_elements argument.
11446 * gimplify.c (gimplify_init_constructor): Likewise. Only shove
11447 objects into static storage if they have more than one non-zero value.
11448 * tree.h (categorize_ctor_elements): Update decl.
11449
11450 2005-01-26 Steven Bosscher <stevenb@suse.de>
11451
11452 PR middle-end/19616
11453 * tree.h (CALL_EXPR_TAILCALL): Add comment.
11454 * calls.c (check_sibcall_argument_overlap_1): Revert the change
11455 to this function from 2004-07-10.
11456 * tree-tailcall.c (suitable_for_tail_opt_p): Do not consider the
11457 the current function for tail call optimizations if the address
11458 of one of it its arguments is taken.
11459
11460 2005-01-26 Kazu Hirata <kazu@cs.umass.edu>
11461
11462 * cse.c (fold_rtx): Call equiv_constant only when necessary.
11463
11464 2005-01-26 Bernd Schmidt <bernd.schmidt@analog.com>
11465
11466 * function.c (expand_function_end): If current_function_calls_alloca,
11467 emit stack restore in a place that is reached when the function falls
11468 through at the end.
11469
11470 2005-01-26 Alexandre Oliva <aoliva@redhat.com>
11471
11472 * Makefile.in (../$(build_subdir)/fixincludes/fixincl): Add dummy
11473 rule to avoid matching inappropriate suffix rule.
11474
11475 2005-01-26 Jan Hubicka <jh@suse.cz>
11476
11477 PR tree-optimization/19241
11478 * tree-inline.c (copy_body_r): Do not walk subtrees after substituting.
11479
11480 2005-01-26 Hans-Peter Nilsson <hp@axis.com>
11481
11482 * config/cris/cris.h (LIB_SPEC) <sim*>: Use -lsyslinux, not
11483 -lsyssim. Wrap -lc -lsyssim in --start-group --end-group instead
11484 of doubling.
11485 (STARTFILE_SPEC): Add crti.o, before crtbegin.o.
11486 <sim*>: Always use crt1.o, regardless of N in simN.
11487 <!sim>: Drop support for -pg and -p variants; always use crt0.o.
11488 (ENDFILE_SPEC): Add crtn.o, after crtend.o.
11489 (CRT_CALL_STATIC_FUNCTION): Remove.
11490 * config/cris/aout.h (STARTFILE_SPEC): <!melinux && sim*>: Always
11491 use crt1.o, regardless of N in simN.
11492 <!sim>: Drop support for -pg and -p variants; always use crt0.o.
11493 (LIB_SPEC): Do not define; default to the one in config/cris/cris.h.
11494 (CRIS_CPP_SUBTARGET_SPEC) <melinux && !nostdinc>: Remove special
11495 case isystem setting.
11496 (MAX_OFILE_ALIGNMENT): Correct to 32, not 16.
11497
11498 2005-01-25 Ian Lance Taylor <ian@airs.com>
11499
11500 * gimple-low.c (block_may_fallthru): Correct handling of
11501 SWITCH_EXPR--may fall through if SWITCH_LABELS is NULL.
11502
11503 2005-01-26 Hans-Peter Nilsson <hp@axis.com>
11504
11505 * config/cris/cris.h (CPP_SPEC): Adjust the various mtune=
11506 handlers to match indentation; nested under the mtune=* handler.
11507 Similar for mcpu= and march=.
11508
11509 2005-01-25 Daniel Jacobowitz <dan@codesourcery.com>
11510
11511 * config/mips/linux.h (LIB_SPEC): Remove -rpath-link.
11512 * config/mips/linux64.h (LIB_SPEC): Likewise.
11513 * config/mn10300/linux.h (LIB_SPEC): Likewise.
11514 * config/sh/linux.h (LIB_SPEC): Likewise.
11515
11516 2005-01-25 Aldy Hernandez <aldyh@redhat.com>
11517
11518 * config/frv/frv.c (frv_legitimize_tls_address): New.
11519 (TARGET_HAVE_TLS): Define.
11520 (FRV_SYMBOL_REF_TLS_P): Define.
11521 (frv_override_options): Handle new register classes.
11522 (frv_legitimate_address_p): Reject tls addresses.
11523 (frv_legitimize_address): Handle TLS addresses.
11524 (gen_inlined_tls_plt): New.
11525 (gen_tlsmoff): New.
11526 (frv_legitimize_tls_address): New.
11527 (unspec_got_name): Add TLS entries.
11528 (got12_operand): Add R_FRV_TLSMOFF12 case.
11529 (frv_emit_move): Fixup TLS addresses.
11530 (frv_emit_movsi): Legitimize TLS addresses.
11531
11532 * config/frv/frv.h (MASK_BIG_TLS): New.
11533 (TARGET_BIG_TLS): New.
11534 (HAVE_AS_TLS): Define.
11535 (TARGET_SWITCHES): Add -mTLS and -mtls options.
11536 (enum reg_class): Add GR8_REGS, GR9_REGS, GR89_REGS.
11537 (REG_CLASS_NAMES): Same.
11538 (REG_CLASS_CONTENTS): Same.
11539 (CONSTRAINT_LEN): New.
11540 (REG_CLASS_FROM_CONSTRAINT): New.
11541 (PREDICATE_CODES): Add symbolic_operand.
11542
11543 * config/frv/frv.md (define_constants): Add UNSPEC_GETTLSOFF,
11544 UNSPEC_TLS_LOAD_GOTTLSOFF12, UNSPEC_TLS_INDIRECT_CALL,
11545 UNSPEC_TLS_TLSDESC_LDD, UNSPEC_TLS_TLSDESC_LDD_AUX,
11546 UNSPEC_TLS_TLSOFF_LD, UNSPEC_TLS_LDDI, UNSPEC_TLSOFF_HILO,
11547 R_FRV_GOTTLSOFF_HI, R_FRV_GOTTLSOFF_LO, R_FRV_TLSMOFFHI,
11548 R_FRV_TLSMOFFLO, R_FRV_TLSMOFF12, R_FRV_TLSDESCHI,
11549 R_FRV_TLSDESCLO, R_FRV_GOTTLSDESCHI, R_FRV_GOTTLSDESCLO, GR8_REG,
11550 GR9_REG, GR14_REG, LRREG.
11551 (type): Add load_or_call attribute.
11552 ("load_or_call"): New reservation.
11553 ("call_gettlsoff"): New.
11554 ("tls_indirect_call"): New.
11555 ("tls_load_gottlsoff12"): New.
11556 ("tlsoff_hilo"): New.
11557 ("tls_tlsdesc_ldd"): New.
11558 ("tls_tlsoff_ld"): New.
11559 ("tls_lddi"): New.
11560
11561 * config/frv/frv-protos.h (symbolic_operand): Protoize.
11562
11563 2005-01-25 Alexandre Oliva <aoliva@redhat.com>
11564
11565 * config/frv/frv.h (ASM_OUTPUT_DWARF_DTPREL): Define.
11566 * config/frv/frv-protos.h (frv_output_dwarf_dtprel): Declare.
11567 * config/frv/frv.c (TLS_BIAS): Define.
11568 (frv_output_dwarf_dtprel): New.
11569
11570 2005-01-26 Jakub Jelinek <jakub@redhat.com>
11571
11572 PR rtl-optimization/19579
11573 * ifcvt.c (noce_try_cmove_arith): If emitting instructions to set up
11574 both A and B, see if they don't clobber registers the other expr uses.
11575
11576 2005-01-25 J"orn Rennecke <joern.rennecke@st.com>
11577
11578 * real.c (do_add): Initialize signalling and canonical members.
11579
11580 * real.c (real_from_integer): Zero out destination.
11581
11582 2005-01-18 Jan Hubicka <jh@suse.cz>
11583
11584 PR tree-optimize/19337
11585 * tree-inline.c (initialize_inlined_parameters): Copy
11586 saved_static_chain_decl only.
11587
11588 2005-01-25 Richard Henderson <rth@redhat.com>
11589
11590 PR target/19556
11591 PR target/19584
11592 * config/i386/i386.c (x86_inter_unit_moves): Zero.
11593 (ix86_preferred_reload_class): Rewrite fp-constant section, with
11594 80387 enabled, to return a proper subclass. Return the subset that
11595 overlaps with GENERAL_REGS for PLUS.
11596 * config/i386/i386.md (movsi_1, movdi_2): Set type to "mmx" for pxor.
11597
11598 2005-01-25 Richard Henderson <rth@redhat.com>
11599
11600 PR middle-end/19609
11601 * tree-complex.c (expand_complex_div_wide): Use the correct formulae.
11602
11603 2005-01-25 Roger Sayle <roger@eyesopen.com>
11604
11605 * expmed.c (choose_multiplier): Change interface to return the
11606 multiplier lowpart as an rtx instead of an unsigned HOST_WIDE_INT.
11607 (expand_divmod): Update calls to choose_multiplier.
11608
11609 2005-01-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11610
11611 PR middle-end/19330
11612 * expmed.c (extract_bit_field): Use adjust_address instead of
11613 gen_lowpart when op0 is a MEM.
11614
11615 2005-01-24 Steven Bosscher <stevenb@suse.de>
11616
11617 * cfgexpand.c (expand_gimple_tailcall): Fix typo.
11618
11619 2005-01-24 Richard Sandiford <rsandifo@redhat.com>
11620
11621 * config/mips/irix-csr.c: New file.
11622 * config/mips/t-iris6 (irix-csr.o): New rule to build it.
11623 (EXTRA_MULTILIB_PARTS): Add irix-csr.o.
11624 * config/mips/iris6.h (ENDFILE_SPEC): Include it in n32 and n64
11625 executables.
11626
11627 2005-01-24 Eric Botcazou <ebotcazou@libertysurf.fr>
11628
11629 PR bootstrap/19364
11630 * config.gcc (sparc-*-elf*): Remove sol2.h, sparc/sol2.h and
11631 sparc/elf.h, add sparc/sp-elf.h.
11632 (sparc-*-rtems*): Likewise.
11633 (sparclite-*-elf*): Remove sol2.h, sparc/sol2.h, sparc/elf.h and
11634 tm-dwarf2.h, add sparc/sp-elf.h.
11635 (sparc86x-*-elf): Likewise.
11636 (sparc64-*-elf*): Remove sol2.h, sparc/sol2.h and tm-dwarf2.h.
11637 * config/sparc/liteelf.h (TARGET_SUB_OS_CPP_BUILTINS): Rename into
11638 TARGET_OS_CPP_BUILTINS.
11639 * config/sparc/sp86x-elf (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
11640 * config/sparc/rtemself.h (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
11641 Undefine it.
11642 * config/sparc/openbsd64.h (NO_IMPLICIT_EXTERN_C): Undefine.
11643 * config/sparc/sp64-elf.h (NO_IMPLICIT_EXTERN_C): New macro.
11644 (SWITCH_TAKES_ARG): Likewise.
11645 (LOCAL_LABEL_PREFIX): Likewise.
11646 (ASM_GENERATE_INTERNAL_LABEL): Likewise.
11647 (TARGET_N_FORMAT_TYPES): Delete.
11648 (TARGET_FORMAT_TYPES): Likewise.
11649 (ASM_DECLARE_FUNCTION_SIZE): Likewise.
11650 * config/sparc/elf.h: Delete.
11651 * config/sparc/sp-elf.h: New file.
11652
11653 2005-01-24 Kazu Hirata <kazu@cs.umass.edu>
11654
11655 * tree-flow-inline.h (phi_arg_from_edge): Remove.
11656 * tree-flow.h: Remove the corresponding prototype.
11657 * tree-ssa-operands.h, tree-ssa-threadupdate.c, tree-ssa.c,
11658 tree-vectorizer.c: Use dest_idx instead of phi_arg_from_edge.
11659
11660 2005-01-24 Jakub Jelinek <jakub@redhat.com>
11661
11662 PR target/17751
11663 * config/rs6000/rs6000.c (rs6000_file_start): Create toc section
11664 for AIX ABI or ELF -fPIC.
11665 (rs6000_emit_load_toc_table): Don't create toc_section here.
11666 (rs6000_xcoff_file_start): Nor here.
11667
11668 2005-01-24 J"orn Rennecke <joern.rennecke@st.com>
11669
11670 * sh.c (ra.h): Don't #include.
11671 (hard_regs_intersect_p): New function, resurrected from ra.c.
11672
11673 * sh.c: Fix 1996 Copyright.
11674
11675 2005-01-24 Richard Henderson <rth@redhat.com>
11676 Aldy Hernandez <aldyh@redhat.com>
11677
11678 * regrename.c (note_sets): Handle subregs.
11679
11680 2005-01-24 Joseph S. Myers <joseph@codesourcery.com>
11681
11682 PR bootstrap/18058
11683 * genconditions.c (write_header, write_conditions): Elide file if
11684 not GCC >= 3.0.1.
11685
11686 2005-01-24 Kazu Hirata <kazu@cs.umass.edu>
11687
11688 * c-opts.c, expmed.c, gengtype.c, tree-complex.c,
11689 config/arm/iwmmxt.md, config/avr/avr.c, config/s390/s390.h:
11690 Update copyright.
11691
11692 2005-01-24 Jakub Jelinek <jakub@redhat.com>
11693
11694 * builtins.c (get_pointer_alignment, gimplify_va_arg_expr,
11695 expand_builtin_printf, expand_builtin_fprintf,
11696 expand_builtin_sprintf): Use POINTER_TYPE_P instead TREE_CODE
11697 checking against POINTER_TYPE.
11698 (validate_arglist): Handle POINTER_TYPE code by checking
11699 POINTER_TYPE_P.
11700
11701 2005-01-24 Paolo Bonzini <bonzini@gnu.org>
11702
11703 * rtlanal.c (non_rtx_starting_operands, for_each_rtx_1,
11704 init_rtlanal): New.
11705 (for_each_rtx): Call for_each_rtx_1.
11706 * rtl.h (init_rtlanal): Declare.
11707 * toplev.c (backend_init): Call init_rtlanal.
11708
11709 2005-01-24 Jakub Jelinek <jakub@redhat.com>
11710
11711 * flow.c (propagate_one_insn): Formatting.
11712
11713 PR middle-end/19551
11714 * flow.c (libcall_dead_p): Be more conservative if unsure.
11715 If there are any instructions between insn and call, see if they are
11716 all dead before saying the libcall is dead.
11717
11718 2005-01-24 Uros Bizjak <uros@kss-loka.si>
11719
11720 * config/i386/i386.md (*extendsfdf2_sse): Use "nonimmediate_operand"
11721 operand constraint for operand 0.
11722
11723 2005-01-23 Richard Henderson <rth@redhat.com>
11724
11725 PR 19486
11726 * tree-complex.c (expand_complex_div_wide): Set EDGE_FALLTHRU on
11727 edges leading to join block.
11728
11729 2005-01-23 Roger Sayle <roger@eyesopen.com>
11730
11731 * expmed.c (expand_mult_highpart): Make static. Change type of
11732 constant multiplier argument from unsigned HOST_WIDE_INT to rtx.
11733 (expand_divmod): Updates calls to expand_mult_highpart by using
11734 gen_int_mode to pass a CONST_INT rtx.
11735 * rtl.h (expand_mult_highpart): Remove prototype.
11736
11737 2005-01-23 Kazu Hirata <kazu@cs.umass.edu>
11738
11739 * flow.c (regset_bytes, regset_size): Remove.
11740
11741 * cfganal.c: Fix a reference to Harvey's paper.
11742
11743 2005-01-23 Steven Bosscher <stevenb@suse.de>
11744
11745 PR rtl-optimization/19464
11746 * tree-optimize.c (init_tree_optimization_passes): Add one more
11747 copyrename pass just before out-of-ssa.
11748
11749 2005-01-23 Joseph S. Myers <joseph@codesourcery.com>
11750
11751 PR bootstrap/18058
11752 * recog.c (recog_memoized): Don't define if GENERATOR_FILE.
11753 * ggc-none.c (ggc_free): Define.
11754
11755 2005-01-23 Kazu Hirata <kazu@cs.umass.edu>
11756
11757 * cse.c (max_reg, max_insn_uid): Remove.
11758 (cse_main): Don't access max_reg or max_insn_uid.
11759
11760 * c-common.c (explicit_flag_signed_bitfields,
11761 lang_statement_code_p, lang_expand_function_end): Remove.
11762 * c-common.h: Remove the corresponding declarations.
11763 * c-opts.c (c_common_handle_option): Remove all write access
11764 to explicit_flag_signed_bitfields.
11765
11766 * cgraph.c (cgraph_varpool_n_nodes): Remove.
11767 (cgraph_varpool_node): Don't access cgraph_varpool_n_nodes.
11768 * cgraph.h: Remove the corresponding declaration.
11769
11770 * gcse.c (null_pointer_info): Remove.
11771
11772 2005-01-23 Roger Sayle <roger@eyesopen.com>
11773 Eric Botcazou <ebotcazou@libertysurf.fr>
11774
11775 * combine.c (simplify_logical): Only simplify logical expressions
11776 of the form ior(and(x,y),z) by the inverse distributive law if the
11777 result is cheaper than the original.
11778
11779 2005-01-23 Kazu Hirata <kazu@cs.umass.edu>
11780
11781 * alias.c, c-common.h, c-incpath.c, c-incpath.h, expr.c,
11782 fold-const.c, gimplify.c, params.h, tree-data-ref.c,
11783 tree-if-conv.c, tree-nested.c, tree-outof-ssa.c,
11784 tree-ssa-dom.c, tree-vectorizer.c, tree.def, config/darwin.c,
11785 config/freebsd-spec.h, config/arm/arm.h,
11786 config/h8300/h8300.md, config/i386/i386.md,
11787 config/i386/predicates.md, config/i386/sse.md,
11788 config/ia64/ia64.c, config/ip2k/ip2k.c, config/s390/s390.c,
11789 config/vax/vax.md: Fix comment typos. Follow spelling
11790 conventions.
11791
11792 2005-01-23 Steven Bosscher <stevenb@suse.de>
11793
11794 * gengtype.c (walk_type): Produce `not equal to' compares for loop
11795 tests, instead of `less than'.
11796
11797 2005-01-23 Richard Sandiford <rsandifo@redhat.com>
11798
11799 * function.c (assign_parm_setup_block): When creating a new stack slot
11800 for a parameter, get its alignment from the parameter's DECL_ALIGN
11801 rather than the type's TYPE_ALIGN. Make sure that the parameter
11802 is at least word aligned.
11803
11804 2005-01-22 Roger Sayle <roger@eyesopen.com>
11805
11806 PR middle-end/19378
11807 * config/avr/avr.c (avr_hard_regno_mode_ok): Rewrite.
11808
11809 2005-01-22 Richard Henderson <rth@redhat.com>
11810
11811 PR target/19506
11812 * config/i386/i386.md (movsfcc_1_sse_max): Use nonimmediate_operand
11813 in both compare operands.
11814 (movdfcc_1_sse_max): Likewise.
11815 (movsfcc_1_sse): Likewise. Add earlyclobber for scratch.
11816 (movdfcc_1_sse): Likewise.
11817 * config/i386/i386.c (ix86_split_sse_movcc): Emit copies into the
11818 scratch register as needed.
11819
11820 2005-01-22 Richard Henderson <rth@redhat.com>
11821
11822 * config/i386/i386.md (smaxsf3): Fix mnemonic typo.
11823
11824 * config/i386/i386.c (ix86_prepare_fp_compare_args): Fix is_sse test.
11825
11826 2005-01-22 Richard Henderson <rth@redhat.com>
11827
11828 * genopinit.c (optabs): Use smin/smax for floating point too.
11829 * doc/md.texi: Update to match. Clarify that floating point
11830 results are undefined for +0/-0 and NaN.
11831 * doc/rtl.texi: Likewise.
11832 * rtl.def (SMIN, SMAX): Likewise
11833 * tree.def (MIN_EXPR, MAX_EXPR): Likewise.
11834
11835 * config/alpha/alpha.md (smaxdf3, smindf3, smaxsf3, sminsf3): Add
11836 leading 's' to the name.
11837 * config/ia64/ia64.md (smaxsf3, sminsf3, smaxdf3, smindf3,
11838 smaxxf3, sminxf3): Likewise.
11839 * config/rs6000/rs6000.md (smaxdf3, smindf3, smaxsf3, sminsf3):
11840 Likewise.
11841
11842 2005-01-22 Paul Brook <paul@codesourcery.com>
11843
11844 * config/arm/arm.md: Use "Uy" constraint for wcgr load/stores.
11845
11846 2005-01-21 Mark Dettinger <dettinge@de.ibm.com>
11847
11848 * config/s390/s390.c (struct processor_costs): New fields
11849 dlgr, dlr, dr, dsgfr, dsgr.
11850 (z900_cost, z990_cost): Values for new fields.
11851 (s390_rtx_costs): New cases MEM und COMPARE in switch
11852 statement. Modified handling of SIGN_EXTEND, ZERO_EXTEND,
11853 DIV, MOD, UDIV, UMOD.
11854
11855 2005-01-21 Ulrich Weigand <uweigand@de.ibm.com>
11856
11857 * config/s390/s390.md ("doloop_si64"): Reload input value directly
11858 into the register being decremented.
11859 ("doloop_si31", "doloop_di"): Likewise.
11860 ("*doloop_si_long"): Adapt pattern.
11861
11862 2005-01-21 Ulrich Weigand <uweigand@de.ibm.com>
11863
11864 * config/s390/s390.h (HARD_REGNO_NREGS): Fix computation for
11865 access registers.
11866 (CLASS_MAX_NREGS): Likewise.
11867
11868 2005-01-21 Daniel Berlin <dberlin@dberlin.org>
11869
11870 * doc/tree-ssa.texi (Statement Operands): Add example for new
11871 must-def macro. Note deprecation of old operands interface.
11872
11873 2005-01-22 Richard Sandiford <rsandifo@redhat.com>
11874
11875 PR tree-optimization/19484
11876 * tree-cfg.c (remove_fallthru_edge): New function.
11877 (cleanup_control_flow): Remove fallthru edges from calls that are
11878 now known not to return.
11879
11880 2005-01-20 Daniel Berlin <dberlin@dberlin.org>
11881
11882 Fix PR tree-optimization/19038
11883 * tree-ssa-dom.c (cprop_operand): Don't replace loop invaeriant
11884 copies with loop variant ones.
11885
11886 2005-01-22 Kazu Hirata <kazu@cs.umass.edu>
11887
11888 * cfganal.c, real.h, reorg.c, timevar.def, tree-ssa-ccp.c,
11889 config/alpha/alpha-protos.h, config/alpha/alpha.h,
11890 config/alpha/alpha.md, config/alpha/predicates.md,
11891 config/sparc/freebsd.h, config/sparc/netbsd-elf.h,
11892 config/sparc/sol2.h: Update copyright.
11893
11894 * tree-cfg.c (remove_forwarder_block_with_phi): Look at the
11895 first label to see if it is a nonlocal label.
11896
11897 2005-01-22 David Edelsohn <edelsohn@gnu.org>
11898 Andrew Pinski <pinskia@physics.uc.edu>
11899
11900 PR target/19491
11901 * config/rs6000/rs6000.c (rs6000_va_start): Saturate n_gpr at
11902 maximum number of GPRs. Saturate n_fpr at maximum number of FPRs.
11903
11904 2005-01-22 Ralf Corsepius <ralf.corsepius@rtems.org>
11905
11906 * config/rs6000/rtems.h: Update copyright.
11907
11908 2005-01-22 Ralf Corsepius <ralf.corsepius@rtems.org>
11909
11910 PR target/19548
11911 * config/rs6000/rtems.h: Resurrect cpp_os_rtems_spec from gcc < 3.4.
11912 (CPP_OS_RTEMS_SPEC): New (From gcc-3.3's config/rs6000/sys4.h).
11913 (SUBSUBTARGET_EXTRA_SPECS): Use CPP_OS_RTEMS_SPEC.
11914
11915 2005-01-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
11916
11917 PR c/18809
11918 * c-typeck.c (convert_arguments): Check for error_mark_node.
11919
11920 2005-01-21 Ian Lance Taylor <ian@airs.com>
11921
11922 PR tree-optimization/13000
11923 * tree-inline.c: Include "tree-flow.h".
11924 (expand_call_inline): If warn_return_type, warn if non-void inline
11925 function falls through.
11926 * tree-cfg.c (execute_warn_function_return): Don't warn about
11927 control reaching end if TREE_NO_WARNING is set. Set
11928 TREE_NO_WARNING.
11929 * gimple-low.c (block_may_fallthru): Don't assume that SWITCH_EXPR
11930 has been lowered.
11931 * gimplify.c (shortcut_cond_expr): Don't emit a jump over the else
11932 branch if we don't need one.
11933 * c-typeck.c: Include "tree-flow.h"
11934 (c_finish_bc_stmt): Don't add a goto if the current statement
11935 list doesn't fall through to the current point.
11936
11937 2005-01-21 Roger Sayle <roger@eyesopen.com>
11938
11939 PR rtl-optimization/576
11940 * real.c (real_arithmetic): Change return type from void to bool
11941 to return an indication that the result may be inexact.
11942 * real.h (real_arithmeric): Update prototype.
11943 * fold-const.c (const_binop): Don't constant fold floating
11944 point expressions when the user specifies -frounding-math and
11945 the result may depend upon the run-time rounding mode.
11946 (fold_convert_const_real_from_real): Clean-up.
11947 (fold_initializer): Ignore flag_rounding_math for initializers.
11948 * simplify-rtx.c (simplify_binary_operation): Likewise, don't
11949 constant fold FP operations with flag_rounding_math if the
11950 result may depend upon the run-time rounding mode.
11951
11952 2005-01-21 Tom Tromey <tromey@redhat.com>
11953
11954 * c-cppbuiltin.c (define__GNUC__): Correct assertion.
11955
11956 2005-01-21 Kazu Hirata <kazu@cs.umass.edu>
11957
11958 * tree-cfg.c: Fix comment typos.
11959
11960 2005-01-21 J"orn Rennecke <joern.rennecke@st.com>
11961
11962 * passes.c (rest_of_handle_flow2): Close / open the flow2 dump file
11963 around the call to rest_of_handle_branch_target_load_optimize.
11964
11965 2005-01-21 Eric Botcazou <ebotcazou@libertysurf.fr>
11966
11967 * config.gcc (sparc-*-netbsdelf*): Include dbxelf.h
11968 (sparc64-*-openbsd*): Likewise.
11969 (sparclite-*-elf*): Include tm-dwarf2.h.
11970 (sparc86x-*-elf*): Likewise.
11971 (sparc64-*-elf*): Likewise.
11972 * config/sparc/linux64.h (DWARF2_DEBUGGING_INFO): Delete.
11973 (DBX_DEBUGGING_INFO): Likewise.
11974 * config/sparc/liteelf.h (DWARF2_DEBUGGING_INFO): Likewise.
11975 (PREFERRED_DEBUGGING_TYPE): Likewise.
11976 * config/sparc/netbsd-elf.h (PREFERRED_DEBUGGING_TYPE): Likewise.
11977 * config/sparc/sp64-elf.h (DBX_DEBUGGING_INFO): Likewise.
11978 (PREFERRED_DEBUGGING_TYPE): Likewise.
11979 * config/sparc/sp86x-elf.h (DWARF2_DEBUGGING_INFO): Likewise.
11980 (PREFERRED_DEBUGGING_TYPE): Likewise.
11981 * config/sparc/sparc.h (DBX_DEBUGGING_INFO): Likewise.
11982
11983 2005-01-21 Hans-Peter Nilsson <hp@bitrange.com>
11984
11985 PR target/18701
11986 * combine.c (combine_simplify_rtx): Revert change of 2004-12-31.
11987
11988 2005-01-20 Paul Brook <paul@codesourcery.com>
11989
11990 * doc/rtl.texi: Document value extension requirements for CONST_INT.
11991
11992 2005-01-20 Kazu Hirata <kazu@cs.umass.edu>
11993
11994 * tree-cfg.c (tree_verify_flow_info): Check that a nonlocal
11995 label is first in a sequence of labels.
11996
11997 * tree-cfg.c (tree_verify_flow_info): Fix a typo.
11998
11999 2005-01-20 Janis Johnson <janis187@us.ibm.com>
12000 Giovanni Bajo <giovannibajo@gcc.gnu.org>
12001
12002 * doc/sourcebuild.texi (Test Directives): New.
12003
12004 2005-01-20 Roger Sayle <roger@eyesopen.com>
12005
12006 * real.c (real_floor): Don't leave the result uninitialized when
12007 mode is VOIDMode, but return the unrounded intermediate value.
12008 (real_ceil): Likewise.
12009
12010 2005-01-20 Paul Brook <paul@codesourcery.com>
12011
12012 * config/arm/arm.md (insv): Use gen_int_mode.
12013
12014 2005-01-20 Eric Botcazou <ebotcazou@libertysurf.fr>
12015
12016 * config/sparc/freebsd.h (ASM_OUTPUT_INTERNAL_LABELREF): Delete.
12017 * config/sparc/linux.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
12018 * config/sparc/linux64.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
12019 * config/sparc/netbsd-elf.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
12020 * config/sparc/sol2.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
12021
12022 2005-01-20 Daniel Berlin <dberlin@dberlin.org>
12023
12024 Fix PR debug/19124
12025 * dwarf2out.c (concat_loc_descriptor): We don't know we can use
12026 fbreg, so we have to assume we can't.
12027 (loc_descriptor_from_tree_1): Ditto.
12028 (containing_function_has_frame_base): New function.
12029 (add_location_or_const_value_attribute): Use it.
12030 Also try to generate a frame_base from a single element location
12031 list.
12032
12033 2005-01-20 Kazu Hirata <kazu@cs.umass.edu>
12034
12035 PR tree-optimization/15349
12036 * timevar.def (TV_TREE_MERGE_PHI): New.
12037 * tree-cfg.c (tree_forwarder_block_p): Add a new argument
12038 PHI_WANTED.
12039 (remove_forwarder_block, cleanup_forwarder_blocks): Adjust the
12040 calls to tree_forwarder_block_p.
12041 (remove_forwarder_block_with_phi, merge_phi_nodes,
12042 gate_merge_phi, pass_merge_phi): New.
12043 * tree-optimize.c (init_tree_optimization_passes): Add
12044 pass_merge_phi.
12045 * tree-pass.h: Add an extern for pass_merge_phi;
12046
12047 2005-01-20 Richard Henderson <rth@redhat.com>
12048
12049 PR target/19418
12050 * config/i386/emmintrin.h (_mm_castpd_ps, _mm_castpd_si128): New.
12051 (_mm_castps_pd, _mm_castps_si128): New.
12052 (_mm_castsi128_ps, _mm_castsi128_pd): New.
12053
12054 2005-01-20 Richard Henderson <rth@redhat.com>
12055
12056 PR target/19530
12057 * config/i386/mmintrin.h (_mm_cvtsi32_si64): Use
12058 __builtin_ia32_vec_init_v2si.
12059 (_mm_cvtsi64_si32): Use __builtin_ia32_vec_ext_v2si.
12060 * config/i386/i386.c (IX86_BUILTIN_VEC_EXT_V2SI): New.
12061 (ix86_init_mmx_sse_builtins): Create it.
12062 (ix86_expand_builtin): Expand it.
12063 (ix86_expand_vector_set): Handle V2SFmode and V2SImode.
12064 * config/i386/mmx.md (vec_extractv2sf_0, vec_extractv2sf_1): New.
12065 (vec_extractv2si_0, vec_extractv2si_1): New.
12066
12067 2005-01-20 Richard Henderson <rth@redhat.com>
12068
12069 PR target/16533
12070 * config/i386/i386.c (ix86_expand_push): New.
12071 * config/i386/mmx.md (push<MMXMODE>1): New.
12072 * config/i386/sse.md (push<SSEMODE>1): New.
12073 * config/i386/i386-protos.h: Update.
12074
12075 2005-01-20 Kazu Hirata <kazu@cs.umass.edu>
12076
12077 * params.def, params.h, predict.c, tree-ssa-loop-im.c: Update
12078 copyright.
12079
12080 2005-01-20 Richard Henderson <rth@redhat.com>
12081
12082 * rtl.def (CONST_VECTOR): Use RTX_CONST_OBJ.
12083 * rtl.h (CONSTANT_P): Don't special case CONST_VECTOR.
12084
12085 2005-01-19 Richard Henderson <rth@redhat.com>
12086
12087 PR target/19350
12088 * config/i386/i386.c (ix86_expand_vector_move_misalign): Convert
12089 to V4SFmode in SSE1 fallback load path.
12090
12091 2005-01-19 Richard Henderson <rth@redhat.com>
12092
12093 * config/i386/i386.c (ix86_expand_vector_init_one_var): Fix typo
12094 in QImode expansion to ix86_expand_vector_set.
12095 (ix86_expand_vector_init_general): Fix typo in V8HImode recursive call.
12096
12097 2005-01-19 Richard Henderson <rth@redhat.com>
12098
12099 PR target/19511
12100 * config/i386/i386.c (ix86_preferred_reload_class): Return a proper
12101 subclass of the input class.
12102 (ix86_secondary_memory_needed): Always true for cross-MMX classes.
12103 Always true for cross-SSE1 classes. Rationalize conditionals.
12104 * config/i386/i386.h (SSE_CLASS_P, MMX_CLASS_P): Use straight equality.
12105 * config/i386/i386.md (movsi_1): Add MMX/SSE zeros. Fix alternatives
12106 for SSE1. Don't check TARGET_INTER_UNIT_MOVES.
12107 (movdi_2): Add MMX/SSE zeros.
12108 (movdi_1_rex64): Likewise. Don't check TARGET_INTER_UNIT_MOVES.
12109 (movsf_1): Don't check TARGET_INTER_UNIT_MOVES.
12110 (zero_extendsidi2_32, zero_extendsidi2_rex64): Likewise.
12111 (movsi_1_nointernunit, movdi_1_rex64_nointerunit): Remove.
12112 (movsf_1_nointerunit, zero_extendsidi2_32_1): Remove.
12113 (zero_extendsidi2_rex64_1): Remove.
12114 (MOV0 peephole): Check GENERAL_REG_P.
12115
12116 2005-01-19 Richard Henderson <rth@redhat.com>
12117
12118 PR target/19427
12119 * config/i386/i386.c (ix86_expand_vector_set): Fix third and fourth
12120 shufps elements.
12121 (ix86_expand_vector_extract): Likewise.
12122
12123 2005-01-19 Richard Henderson <rth@redhat.com>
12124
12125 PR middle-end/19304
12126 * expr.c (emit_move_change_mode): New argument force; use
12127 simplify_gen_subreg if true.
12128 (emit_move_via_alt_mode): Merge into ...
12129 (emit_move_via_integer): ... here.
12130 (emit_move_ccmode): Use emit_move_change_mode directly.
12131
12132 2005-01-19 Richard Henderson <rth@redhat.com>
12133
12134 PR target/19518
12135 * config/alpha/alpha.c (alpha_rtx_costs): Handle HIGH.
12136 (alpha_preferred_reload_class): Handle CONST_VECTOR.
12137 (alpha_emit_set_const_1): Add no_output parameter; don't emit
12138 rtl if true.
12139 (alpha_emit_set_const): Likewise. Make static.
12140 (alpha_emit_set_long_const): Make static.
12141 (alpha_extract_integer): Split out from alpha_expand_mov.
12142 (alpha_split_const_mov): Likewise.
12143 (alpha_expand_mov): Use them. Handle CONST_VECTOR.
12144 (alpha_legitimate_constant_p): New.
12145 * config/alpha/alpha-protos.h: Update.
12146 * config/alpha/alpha.h (REGISTER_MOVE_COST): Correct fp<->gp cost.
12147 (LEGITIMATE_CONSTANT_P): Re-implement with a function.
12148 * config/alpha/alpha.md (movsi): Add n alternative.
12149 (movsi_nt_vms, movdi_er_nofix, movdi_er_fix, movdi_fix): Likewise.
12150 (mov<VEC>_fix, mov<VEC>_nofix): Add i alternative.
12151 (splitters for all of the above): Use alpha_split_const_mov.
12152 * config/alpha/predicates.md (non_add_const_operand): New.
12153 (non_zero_const_operand): New.
12154 (input_operand): Use alpha_legitimate_constant_p after reload.
12155
12156 2005-01-19 Zdenek Dvorak <dvorakz@suse.cz>
12157
12158 PR tree-optimization/19038
12159 * tree-ssa-loop-ivopts.c (allow_ip_end_pos_p): New function.
12160 (add_candidate): Add ivs with increment in latch only if
12161 allow_ip_end_pos_p is true.
12162 (determine_iv_cost): Use empty_block_p.
12163
12164 2005-01-19 Daniel Berlin <dberlin@dberlin.org>
12165
12166 * cfganal.c (compute_dominance_frontiers_1): Replace with new algorithm
12167 (compute_dominance_frontiers): Ditto.
12168
12169 2005-01-19 Ralf Corsepius <ralf.corsepius@rtems.org>
12170
12171 PR target/19529
12172 * config/sh/t-rtems: New.
12173 * config.gcc (sh-*-rtems*): Reflect having added config/sh/t-rtems.
12174
12175 2005-01-19 Zdenek Dvorak <dvorakz@suse.cz>
12176
12177 * tree-ssa-ccp.c (maybe_fold_offset_to_component_ref): Always subtract
12178 the offset of the selected field.
12179
12180 2005-01-19 Kazu Hirata <kazu@cs.umass.edu>
12181
12182 * tree-cfg.c (remove_forwarder_block): Fix the check to
12183 prevent a nonlocal label from appearing in the middle of a
12184 basic block.
12185
12186 2005-01-19 Hans-Peter Nilsson <hp@axis.com>
12187
12188 PR rtl-optimization/19462
12189 * reorg.c (find_end_label): Create return insn only if
12190 current_function_epilogue_delay_list is empty.
12191
12192 2005-01-19 Paolo Bonzini <bonzini@gnu.org>
12193
12194 * doc/passes.texi: Remove paragraph mentioning new-ra.
12195
12196 2005-01-19 Jakub Jelinek <jakub@redhat.com>
12197
12198 PR rtl-optimization/15139
12199 * combine.c: Include params.h.
12200 (count_rtxs): New function.
12201 (record_value_for_reg): If replace_rtx would replace at least
12202 2 occurrences of REG in VALUE and TEM is really large, replace REG with
12203 (clobber (const_int 0)) instead of TEM.
12204 * params.def (PARAM_MAX_LAST_VALUE_RTL): New.
12205 * params.h (MAX_LAST_VALUE_RTL): New.
12206 * Makefile.in (combine.o): Depend on $(PARAMS_H).
12207 * doc/invoke.texi (--param max-last-value-rtl=N): Document.
12208
12209 PR c/17297
12210 * c-typeck.c (digest_init): Only call build_vector if all constructor
12211 elements are *_CST nodes.
12212 * gimplify.c (gimplify_init_constructor): Likewise.
12213
12214 PR middle-end/19164
12215 * c-typeck.c (digest_init): Only call build_vector if inside_init
12216 is a CONSTRUCTOR.
12217
12218 2005-01-18 Tobias Schl"uter <tobias.schlueter@physik.uni-muenchen.de>
12219
12220 * toplev.c (init_asm_output): Remove dead #ifdef.
12221
12222 2005-01-18 Kaz Kojima <kkojima@gcc.gnu.org>
12223
12224 * config/sh/linux.h (TARGET_C99_FUNCTIONS): Define.
12225
12226 2005-01-18 Eric Botcazou <ebotcazou@libertysurf.fr>
12227
12228 * calls.c (expand_call): Check DECL_BUILT_IN_CLASS before
12229 accessing DECL_FUNCTION_CODE.
12230 * dojump.c (do_jump): Likewise.
12231 * gimplify.c (gimplify_call_expr): Likewise.
12232 * predict.c (expr_expected_value): Likewise.
12233 (strip_builtin_expect): Likewise.
12234 * tree-inline.c (estimate_num_insns_1): Likewise.
12235 * tree-ssa-loop-im.c (stmt_cost): Likewise
12236 * fold-const.c (fold): Test for BUILT_IN_NORMAL.
12237 (tree_expr_nonnegative_p): Likewise.
12238
12239 2005-01-18 Eric Botcazou <ebotcazou@libertysurf.fr>
12240
12241 * config/sparc/sparc.c (load_pic_register): Emit the appropriate
12242 variant of the load_pcrel_sym pattern.
12243 * config/sparc/sparc.md (P macro): Move to the top.
12244 (load_pcrel_sym): Macroize using P.
12245 (save_register_window): Likewise.
12246
12247 2005-01-18 Aldy Hernandez <aldyh@redhat.com>
12248
12249 * config/rs6000/rs6000.md ("sunordered"): Disable for e500.
12250 ("sordered"): Same.
12251
12252 2005-01-18 Andrew Pinski <pinskia@physics.uc.edu>
12253
12254 PR C/19472
12255 * c-typeck.c (build_asm_expr): Strip nops off
12256 input memory operands.
12257
12258 2005-01-18 David Edelsohn <edelsohn@gnu.org>
12259
12260 * config/rs6000/aix43.h (CPLUSPLUS_CPP_SPEC): Delete
12261 _XOPEN_SOURCE, _XOPEN_SOURCE_EXTENDED, _LARGE_FILE_API.
12262 * config/rs6000/aix51.h (CPLUSPLUS_CPP_SPEC): Same.
12263 * config/rs6000/aix52.h (CPLUSPLUS_CPP_SPEC): Same.
12264
12265 2005-01-18 Joel Sherrill <joel.sherrill@oarcorp.com>
12266
12267 PR target/19379
12268 * config/i386/i386.c (override_options): If the 80387 is disabled,
12269 then do not return FP values using FP registers.
12270
12271 2005-01-18 Kazu Hirata <kazu@cs.umass.edu>
12272
12273 * basic-block.h, c-common.c, c-cppbuiltin.c, c-lang.c,
12274 c-tree.h, cfgbuild.c, cgraph.c, cgraph.h, collect2.c,
12275 combine.c, config.gcc, coverage.h, cse.c, cselib.c,
12276 defaults.h, df.c, dwarf2asm.c, dwarf2out.c, explow.c, expr.c,
12277 flow.c, fold-const.c, gcse.c, ggc-page.c, gimple-low.c,
12278 gimplify.c, ifcvt.c, langhooks-def.h, lcm.c, optabs.h,
12279 output.h, postreload-gcse.c, postreload.c, recog.c,
12280 resource.c, rtl.def, rtlanal.c, sched-deps.c, sched-rgn.c,
12281 targhooks.h, toplev.c, tree-data-ref.c, tree-eh.c,
12282 tree-flow.h, tree-loop-linear.c, tree-mudflap.h, tree-nrv.c,
12283 tree-optimize.c, tree-outof-ssa.c, tree-pass.h,
12284 tree-scalar-evolution.c, tree-ssa-copy.c, tree-ssa-dce.c,
12285 tree-ssa-dse.c, tree-ssa-loop-ivopts.c, tree-ssa-operands.c,
12286 tree-ssa-pre.c, tree-ssa.c, tree-vectorizer.c, tree.def,
12287 unwind-dw2-fde-darwin.c, var-tracking.c: Update copyright.
12288
12289 * config/darwin.c, config/darwin.h, config/freebsd-spec.h,
12290 config/alpha/alpha.c, config/arm/vfp.md,
12291 config/i386/emmintrin.h, config/i386/i386-modes.def,
12292 config/i386/i386-protos.h, config/i386/i386.h,
12293 config/i386/pmmintrin.h, config/i386/ppro.md,
12294 config/i386/predicates.md, config/i386/xmmintrin.h,
12295 config/i860/i860.c, config/ia64/ia64-modes.def,
12296 config/ia64/ia64-protos.h, config/ia64/ia64.h,
12297 config/ia64/ia64.md, config/ia64/itanium1.md,
12298 config/ia64/itanium2.md, config/ia64/predicates.md,
12299 config/iq2000/iq2000.h, config/mips/linux64.h,
12300 config/rs6000/aix41.h, config/rs6000/aix43.h,
12301 config/rs6000/aix52.h, config/rs6000/darwin-fallback.c,
12302 config/rs6000/rs6000.c, config/rs6000/rs6000.h,
12303 config/rs6000/spe.md, config/sh/sh.md, config/sparc/linux.h,
12304 config/sparc/linux64.h, config/sparc/litecoff.h,
12305 config/sparc/sp64-elf.h, config/sparc/sparc.c,
12306 config/sparc/sparc.h, config/sparc/sparc.md,
12307 config/sparc/sysv4-only.h: Update copyright.
12308
12309 2005-01-18 Richard Henderson <rth@redhat.com>
12310
12311 PR target/19496
12312 * config/i386/i386.c (ix86_expand_fp_movcc): Fail for LTGT and UNEQ.
12313
12314 2005-01-18 Marc Espie <espie@openbsd.org>
12315 * config/i386/openbsdelf.h: Typo.
12316
12317 2005-01-18 Richard Henderson <rth@redhat.com>
12318
12319 * config/i386/i386.c (ix86_expand_fp_movcc): Remove TARGET_IEEE_FP
12320 special case for sse.
12321 * config/i386/predicates.md (sse_comparison_operator): Likewise.
12322
12323 2005-01-18 Dorit Naishlos <dorit@il.ibm.com>
12324
12325 * tree-inline.c (estimate_num_insns_1): Added cases for
12326 ALIGN_INDIRECT_REF, MISALIGNED_INDIRECT_REF, and REALIGN_LOAD_EXPR.
12327
12328 2005-01-18 Eric Botcazou <ebotcazou@libertysurf.fr>
12329
12330 PR rtl-optimization/19296
12331 * combine.c (simplify_comparison): Rewrite the condition under
12332 which a non-paradoxical SUBREG of a PLUS can be lifted when
12333 compared against a constant.
12334
12335 2005-01-18 Andi Kleen <ak@muc.de>
12336
12337 * c-typeck.c: (convert_for_assignment): Check warn_pointer_sign.
12338 * c.opt (-Wpointer-sign): Add.
12339 * doc/invoke.texi: (-Wpointer-sign): Add.
12340
12341 2005-01-18 Uros Bizjak <uros@kss-loka.si>
12342
12343 * config/i386/i386.c (override_options): Revert 2004-11-24 change.
12344 * config/i386/i386.md (fmodsf3, dremsf3, *sinsf2, *cossf2, sincossf3,
12345 *tansf3_1, tansf2, atan2sf3_1, atan2sf3, atansf2, asinsf2, acossf2,
12346 logsf2, log10sf2, log2sf2, log1psf2, logbsf2, ilogbsf2, expsf2,
12347 exp10sf2, exp2sf2, expm1sf2, rintsf2, floorsf2, ceilsf2, btruncsf2,
12348 nearbyintsf2): Disable for TARGET_SSE_MATH. Leave patterns enabled
12349 for TARGET_MIX_SSE_I387.
12350 (fmoddf3, dremdf3, *sindf2, *sinextendsfdf2, *cosdf2, *cosextendsfdf2,
12351 sincosdf3, *sincosextendsfdf3, *tandf3_1, tandf2, atan2df3_1,
12352 atan2df3, atandf2, asindf2, acosdf2, logdf2, log10df2, log2df2,
12353 log1pdf2, logbdf2, expdf2, exp10df2, exp2df2, expm1df2, rintdf2,
12354 floordf2, ceildf2, btruncdf2, nearbyintdf2): Disable for
12355 (TARGET_SSE2 && TARGET_SSE_MATH). Leave patterns enabled for
12356 TARGET_MIX_SSE_I387.
12357 (atan2sf3, atan2df3, atan2xf3): Remove register constraints
12358 from expander.
12359
12360 2005-01-18 Uros Bizjak <uros@kss-loka.si>
12361
12362 PR target/19424
12363 * config/i386/mmx.md (*movv2sf_internal_rex64, *movv2sf_internal):
12364 Add movaps alternative for xmm reg->reg move.
12365
12366 2005-01-17 Jeff Law <law@redhat.com>
12367
12368 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Clear SSA_NAME_VALUE
12369 at the end of the main DOM loop rather than just before DOM exits.
12370
12371 2005-01-17 Diego Novillo <dnovillo@redhat.com>
12372
12373 PR tree-optimization/19121
12374 * tree-ssa-alias.c (compute_flow_sensitive_aliasing): When
12375 adding aliases to a name tag, also add them to the pointer's
12376 type tag.
12377 * tree-ssa-copy.c (merge_alias_info): Do not merge flow
12378 sensitive alias info at all. Only check that the two pointers
12379 have compatible pointed-to sets.
12380 * tree-ssa.c (verify_name_tags): Verify that the alias set of
12381 a pointer's type tag is a superset of the alias set of the
12382 pointer's name tag.
12383
12384 2005-01-17 James E Wilson <wilson@specifixinc.com>
12385
12386 PR target/19357
12387 * config/ia64/ia64.md (movxf): Handle general register source. Adjust
12388 comment to document why.
12389
12390 2005-01-17 Richard Henderson <rth@redhat.com>
12391
12392 * config/i386/sse.md (smaxv4sf3_finite, sse_vmsmaxv4sf3_finite,
12393 sminv4sf3_finite, sse_vmsminv4sf3_finite, smaxv2df3_finite,
12394 sse2_vmsmaxv2df3_finite, sminv2df3_finite,
12395 sse2_vmsminv2df3_finite): New.
12396 (smaxv4sf3, sse_vmsmaxv4sf3, sminv4sf3, sse_vmsminv4sf3, smaxv2df3,
12397 sse2_vmsmaxv2df3, sminv2df3, sse2_vmsminv2df3): Remove commutative.
12398 Force op1 into register.
12399
12400 2005-01-17 Kelley Cook <kcook@gcc.gnu.org>
12401
12402 * Makefile.in (STAGEMOVESTUFF): Stage all the stamp files to prevent
12403 bubblestrap from always rebuilding build directory.
12404
12405 2005-01-17 Ulrich Weigand <uweigand@de.ibm.com>
12406
12407 * config/s390/s390.md ("*clc"): Remove incorrect '='.
12408 ("*cmpmem_short"): Likewise.
12409
12410 2005-01-17 Steven Bosscher <stevenb@suse.de>
12411
12412 * basic-block.h: Document BB_* flags.
12413 * regrename.c (copyprop_hardreg_forward): Don't use BB_VISITED,
12414 use an sbitmap instead.
12415 * sched-rgn.c (compute_trg_info): Likewise.
12416
12417 2005-01-17 Richard Sandiford <rsandifo@redhat.com>
12418
12419 * config.gcc (mips64*-*-linux*): Set the default abi to n32. Remove
12420 redundant target_cpu_default and extra_parts lines. Use the default
12421 "from-abi" ISA.
12422 * config/mips/linux64.h (DRIVER_DEFAULT_ABI_SELF_SPEC): Delete.
12423 (SUBTARGET_EXTRA_SPECS): Delete.
12424 (DRIVER_SELF_SPECS): Remove architecture lines. Set the ABI directly.
12425 (SUBTARGET_ASM_SPEC): Remove -mabi=n32 and -mabi=64 mappings.
12426 * config/mips/t-linux64 (MULTILIB_DIRNAMES): Use "32" for -mabi=32
12427 and "n32" for -mabi=n32.
12428
12429 2005-01-17 Ian Lance Taylor <ian@airs.com>
12430
12431 PR c/5675
12432 * c-typeck.c (build_c_cast): Revert patch of 2003-02-16: don't
12433 fold constant variables into initial values.
12434
12435 2005-01-17 Kazu Hirata <kazu@cs.umass.edu>
12436
12437 * tree-cfg.c (tree_can_merge_blocks_p): Reorder two checks.
12438
12439 * tree-cfg.c (tree_forwarder_block_p): Speed up by walking
12440 through the statements backward.
12441
12442 2005-01-17 Ian Lance Taylor <ian@airs.com>
12443
12444 PR middle-end/13127:
12445 * tree-inline.c (expand_call_inline): Set TREE_NO_WARNING on
12446 a variable set to the return value of the inlined function.
12447
12448 2005-01-17 Mark Dettinger <dettinge@de.ibm.com>
12449
12450 * rtlanal.c (rtx_cost): Assign cost of 0 to a SUBREG
12451 when modes are tieable.
12452
12453 2005-01-17 Ranjit Mathew <rmathew@hotmail.com>
12454
12455 * gthr-posix.h (__gthread_active_p): Use pthread_cancel instead
12456 of pthread_create to find out if threads are enabled.
12457 * gthr-posix95.h (__gthread_active_p): Likewise.
12458
12459 2005-01-17 Paolo Bonzini <bonzini@gnu.org>
12460
12461 * common.opt (-fnew-ra): Remove.
12462 * ra*.*: Remove.
12463 * toplev.h (flag_new_regalloc): Remove.
12464 * Makefile.in (ra*.*): Don't mention.
12465 * passes.c (rest_of_handle_new_regalloc): Remove.
12466 (rest_of_handle_combine, rest_of_compilation): Always consider
12467 flag_new_regalloc as false.
12468 * doc/invoke.texi: Don't document -fnew-ra.
12469
12470 2005-01-17 Paolo Bonzini <bonzini@gnu.org>
12471
12472 * bb-reorder.c (fix_edges_for_rarely_executed_code): Remove
12473 last parameter to reg_scan.
12474 * loop.c (loop_optimize): Likewise.
12475 * passes.c (rest_of_handle_tracer, rest_of_handle_if_conversion,
12476 rest_of_handle_web, rest_of_handle_cfg, rest_of_handle_jump_bypass,
12477 rest_of_handle_life, rest_of_handle_cse, rest_of_handle_cse2,
12478 rest_of_handle_gcse, rest_of_handle_loop_optimize,
12479 rest_of_handle_loop2, rest_of_handle_jump2): Likewise.
12480 * regclass.c (reg_scan): Likewise, for the declaration.
12481 * rtl.h (reg_scan): Likewise, for the prototype.
12482
12483 2005-01-17 Kazu Hirata <kazu@cs.umass.edu>
12484
12485 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Don't call
12486 mark_dfs_back_edges.
12487
12488 2005-01-16 Daniel Berlin <dberlin@dberlin.org>
12489
12490 * tree-ssa-pre.c (add_to_sets): s1 may be NULL.
12491 (compute_avail): Uses don't go in tmp_gen.
12492
12493 2005-01-16 Steven Bosscher <stevenb@suse.de>
12494
12495 * ggc-page.c (ggc_alloc_stat): Use __builtin_ctzl instead of a
12496 loop to look for a free slot in a page entry.
12497
12498 2005-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12499
12500 PR target/16304
12501 * defaults.h (TARGET_DEFERRED_OUTPUT_DEFS): Provide default.
12502 * toplev.c (compile_file): Call process_pending_assemble_output_defs
12503 just before targetm.asm_out.file_end.
12504 * tree.h (process_pending_assemble_output_defs): Declare.
12505 * varasm.c (assemble_output_def, process_pending_assemble_output_defs):
12506 New functions.
12507 (assemble_alias): Defer generation of assembly code for defines when
12508 TARGET_DEFERRED_OUTPUT_DEFS is true.
12509 * config/rs6000/aix41.h (TARGET_DEFERRED_OUTPUT_DEFS): Define.
12510 * config/rs6000/aix43.h (TARGET_DEFERRED_OUTPUT_DEFS): Define.
12511 * doc/tm.texi (TARGET_DEFERRED_OUTPUT_DEFS): document.
12512
12513 2005-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12514
12515 PR target/19336
12516 * pa.c (pa_scalar_mode_supported_p): New function.
12517 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
12518 * pa.h (MIN_UNITS_PER_WORD): Add comment.
12519
12520 * pa-protos.h (prefetch_operand): Delete.
12521 (prefetch_cc_operand, prefetch_nocc_operand): New declations.
12522 * pa.c (prefetch_operand): Delete.
12523 (prefetch_cc_operand, prefetch_nocc_operand): New functions.
12524 * pa.h (EXTRA_CONSTRAINT): Add `W' constraint.
12525 (PREDICATE_CODES): Delete prefetch_operand. Add prefetch_cc_operand
12526 and prefetch_nocc_operand.
12527 * pa.md (prefetch): Rework to avoid reload problems handling short
12528 displacements when a cache control completer needs to be provided.
12529 (prefetch_32, prefetch_64): Delete.
12530 (prefetch_cc, prefetch_nocc): New patterns.
12531
12532 2005-01-15 David Edelsohn <edelsohn@gnu.org>
12533
12534 * config/rs6000/aix52.h (CPLUSPLUS_CPP_SPEC): Revert previous change.
12535
12536 2005-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12537
12538 PR ada/19388
12539 * pa.c (pa_asm_output_aligned_common): Warn if specified alignment
12540 exceeds maximum alignment for global common data.
12541 * pa64-hpux.h (MAX_OFILE_ALIGNMENT): Define to 32768.
12542 * som.h (MAX_OFILE_ALIGNMENT): Likewise.
12543
12544 2004-01-15 Roger Sayle <roger@eyesopen.com>
12545
12546 * tree-ssa-dom.c (extract_range_from_cond): Correct condition.
12547
12548 2004-01-15 Roger Sayle <roger@eyesopen.com>
12549
12550 * harg-reg-set.h (reg_class_names): Prototype global array.
12551 * regclass.c (reg_class_names): Declare here and initialize to
12552 REG_CLASS_NAMES.
12553 (dump_regclass): Remove local declaration of reg_class_names.
12554 (regclass): Likewise.
12555 * cfg.c (dump_flow_info): Likewise.
12556 * ra-debug.c (reg_class_names): Likewise.
12557 * regrename.c (reg_class_names): Likewise.
12558 * reload.c (reg_class_names): Likewise.
12559 * reload1.c (spill_failure): Likewise.
12560 * config/m68hc11/m68hc11.c (reg_class_names): Likewise.
12561
12562 2005-01-15 Ulrich Weigand <uweigand@de.ibm.com>
12563
12564 * config/s390/s390.md ("reload_outti"): Remove predicate for
12565 output operand. Abort if operand is not a MEM.
12566 ("reload_outdi", "reload_outdf"): Likewise.
12567
12568 2005-01-15 Marc Espie <espie@openbsd.org>
12569
12570 * config.gcc (*-*-openbsd*): Set HAS_LIBC_R for OpenBSD <= 3.2.
12571 (i[34567]86-*-openbsd*): Switch to ELF for OpenBSD >= 3.4.
12572 * config/openbsd.h: Fix C++ includes for native configurations.
12573 Add proper OS_CPP_BUILTINS. Fix libspec for recent OpenBSD.
12574 Add trampoline support.
12575 * config/i386/openbsdelf.h: New.
12576
12577 2005-01-15 Marc Espie <espie@openbsd.org>
12578
12579 * collect2.c (main): Explicitly parse -dynamic-linker option.
12580
12581 2005-01-15 Jakub Jelinek <jakub@redhat.com>
12582
12583 PR tree-optimization/19060
12584 * tree-ssa-dom.c (extract_range_from_cond) <case LT_EXPR, GT_EXPR>:
12585 Return 0 if op1 <= TYPE_MIN_VALUE () resp. op1 >= TYPE_MAX_VALUE ().
12586 (simplify_cond_and_lookup_avail_expr): Add assert for dummy == 0
12587 and handle extract_range_from_cond returning false.
12588 * fold-const.c (fold): Optimize comparisons with min/max even for
12589 width > HOST_BITS_PER_WIDE_INT.
12590
12591 2005-01-15 Ralf Corsepius <ralf.corsepius@rtems.org>
12592
12593 * config/mips/rtems.h (MIPS_DEFAULT_GVALUE): Set to 0.
12594 * config/mips/t-rtems (MULTILIBS_DIRNAMES,MULTILIB_OPTIONS):
12595 Remove little endian multilib variants.
12596 Add mips32 multilib variant.
12597
12598 2005-01-15 Kazu Hirata <kazu@cs.umass.edu>
12599
12600 * explow.c (copy_all_reg, stabilize): Remove.
12601 * expr.h: Remove the corresponding prototypes.
12602
12603 * rtlanal.c (regs_set_between_p): Remove.
12604 * rtl.h: Remove the corresponding prototype.
12605
12606 2005-01-14 David Edelsohn <edelsohn@gnu.org>
12607
12608 * config/rs6000/rs6000.c (rs6k_nonimmediate_operand): Rename
12609 to rs6000_nonimmediate_operand.
12610 * config/rs6000/rs6000.h (PREDICATE_CODES): Rename
12611 rs6k_nonimmediate_operand to rs6000_nonimmediate_operand.
12612 * config/rs6000/rs6000.md (movsi_internal1): Rename predicate to
12613 rs6000_nonimmediate_operand.
12614 * config/rs6000/spe.md (movdf_e500_double): Rename predicate to
12615 rs6000_nonimmediate_operand.
12616
12617 2005-01-14 Andrew Pinski <pinskia@physics.uc.edu>
12618
12619 * tree-ssa-alias.c (pass_may_alias): Add TODO_verify_stmts.
12620
12621 2005-01-14 Aldy Hernandez <aldyh@redhat.com>
12622
12623 * config/rs6000/rs6000.h (CLASS_MAX_NREGS): DF goes in 1 register
12624 on e500v2.
12625 (CANNOT_CHANGE_MODE_CLASS): Restrict DI mode changes on e500v2.
12626 (PREDICATE_CODES): Add rs6k_nonimmediate_operand.
12627
12628 * config/rs6000/rs6000.c (invalid_e500_subreg): New.
12629 (rs6k_nonimmediate_operand): New.
12630 (rs6000_legitimate_offset_address_p): Handle DI modes on e500v2
12631 correctly.
12632 (legitimate_lo_sum_address_p): Same.
12633 (rs6000_legitimize_address): Same.
12634 (rs6000_legitimize_reload_address): Same.
12635 (rs6000_legitimate_address): Same.
12636 (spe_build_register_parallel): Pass DF and DC modes in a DI
12637 register.
12638
12639 * config/rs6000/rs6000.md ("*movsi_internal1"): Change predicate
12640 to rs6k_nonimmediate_operand.
12641
12642 * config/rs6000/spe.md ("*frob_df_di"): New.
12643 ("*frob_di_df"): New.
12644 ("*frob_di_df_2"): New.
12645 ("*mov_sidf_e500_subreg0"): New.
12646 ("*mov_sidf_e500_subreg4"): New.
12647 ("*movdf_e500_double"): Change predicate to
12648 rs6k_nonimmediate_operand.
12649
12650 2005-01-14 Aldy Hernandez <aldyh@redhat.com>
12651
12652 * postreload.c (move2add_note_store): Only call
12653 trunc_int_for_mode on scalar integers.
12654
12655 2005-01-14 Steven Bosscher <stevenb@suse.de>
12656
12657 * tree-ssa-dce.c (visited_control_parents): New sbitmap to
12658 replace BB_VISITED uses.
12659 (find_obviously_necessary_stmts): Don't clear BB_VISITED.
12660 (propagate_necessity): Check the bitmap instead of BB_VISITED.
12661 (tree_dce_done): Free visited_control_parents.
12662 (perform_tree_ssa_dce): Allocate and clear it.
12663 * tree-ssa-pre.c (compute_antic_aux): Make non-recursive.
12664 (compute_antic): Iterate from here using a DFS. Use an sbitmap
12665 instead of BB_VISITED.
12666
12667 2005-01-14 Kazu Hirata <kazu@cs.umass.edu>
12668
12669 * c-tree.h, coverage.h, langhooks-def.h, optabs.h, output.h,
12670 rtl.h, targhooks.h, tree-flow.h, tree-mudflap.h, tree.h:
12671 Remove unused prototypes.
12672
12673 2005-01-14 Aldy Hernandez <aldyh@redhat.com>
12674
12675 * config/rs6000/rs6000.c (rs6000_stack_info): Fix caching of SPE
12676 64-bit register usage.
12677 (spe_func_has_64bit_regs_p): Add FIXME note.
12678
12679 2005-01-14 Aldy Hernandez <aldyh@redhat.com>
12680
12681 * config/rs6000/rs6000.c (rs6000_generate_compare): Replace
12682 flag_finite_math_only with flag_unsafe_math_optimizations.
12683
12684 2005-01-14 J. D. Johnston <jjohnst@us.ibm.com>
12685
12686 * config/s390/tpf-unwind.h (s390_fallback_frame_state): Correct
12687 end-of-stack check.
12688 (__tpf_eh_return): Copy TPF private stack area from the module
12689 boundary stack frame. Add check for when module addresses are
12690 equal, but no stub address is found.
12691
12692 2005-01-14 Richard Earnshaw <rearnsha@arm.com>
12693
12694 PR target/7525
12695 * arm.h (struct machine_function): Add call_via field.
12696 (thumb_call_via_label): Declare.
12697 * arm.c (thumb_call_via_label): New variable.
12698 (thumb_call_reg_needed): New variable.
12699 (arm_output_function_epilogue): For Thumb code, output any per-function
12700 call-indirect trampolines.
12701 (thumb_call_via_reg): New function.
12702 (arm_file_end): New function.
12703 (TARGET_ASM_FILE_END): Call arm_file_end.
12704 (aof_file_end): Likewise.
12705 * arm-protos.h (thumb_call_via_reg): Declare.
12706 * arm.md (call_reg_thumb, call_value_reg_thumb): Call
12707 thumb_call_via_reg in normal case.
12708
12709 2005-01-14 Jakub Jelinek <jakub@redhat.com>
12710
12711 PR middle-end/19084
12712 PR rtl-optimization/19348
12713 * recog.c (peephole2_optimize): Do global life update if some peephole
12714 decides it doesn't need at least one of its inputs and that change
12715 influences liveness at the start of the basic block.
12716
12717 * basic-block.h (EXECUTE_IF_AND_COMPL_IN_REG_SET): Needs 2 REGSET
12718 arguments instead of 1.
12719
12720 2005-01-14 Eric Botcazou <ebotcazou@libertysurf.fr>
12721
12722 PR middle-end/18820
12723 * varasm.c (initializer_constant_valid_p) <ADDR_EXPR>: Return
12724 zero for nested functions needing a static chain or functions
12725 with a non-constant address.
12726
12727 2005-01-13 Roger Sayle <roger@eyesopen.com>
12728
12729 * simplify-rtx.c (simplify_binary_operation) <AND>: Optimize
12730 (and (sign_extend X) C) into (zero_extend (and X C)).
12731
12732 2005-01-13 David O'Brien <obrien@FreeBSD.org>
12733
12734 * config/freebsd-spec.h: Make KSE pthread lib logic the default.
12735
12736 2005-01-13 Richard Henderson <rth@redhat.com>
12737
12738 PR target/19009
12739 PR target/19250
12740 PR target/19252
12741 * config/i386/i386.md (cmpdf, cmpsf, bunordered, bordered, buneq,
12742 bunge, bungt, bunle, bunlt, bltgt): Enable for TARGET_SSE_MATH,
12743 not just TARGET_SSE.
12744 (cmpfp_i_387): Rename from cmpfp_i. Move after sse patterns.
12745 (cmpfp_i_mixed): Rename from cmpfp_i_sse; use for TARGET_MIX_SSE_I387.
12746 (cmpfp_i_sse): Rename from cmpfp_i_sse_only; use for TARGET_SSE_MATH.
12747 (cmpfp_iu_mixed, cmpfp_iu_sse, cmpfp_iu_387): Similarly.
12748 (fp_jcc_1_mixed, fp_jcc_1_sse, fp_jcc_1_387): Similarly.
12749 (fp_jcc_2_mixed, fp_jcc_2_sse, fp_jcc_2_387): Similarly.
12750 (fp_jcc_3_387, fp_jcc_4_387, fp_jcc_5_387, fp_jcc_6_387,
12751 fp_jcc_7_387, fp_jcc_8_387): Rename from fp_jcc_N.
12752 (movdicc_c_rex64): Rename with '*'.
12753 (movsfcc, movdfcc): Add checks for 387 and sse math to condition.
12754 (movsfcc_1_sse_min, movsfcc_1_sse_max, movsfcc_1_sse): New.
12755 (movsfcc_1_387): Rename from movsfcc_1.
12756 (movdfcc_1_sse_min, movdfcc_1_sse_max, movdfcc_1_sse): New.
12757 (movdfcc_1, movdfcc_1_rex64): Add check for 387.
12758 (sminsf3, smaxsf3, smindf3, smaxdf3): New.
12759 (minsf3, minsf, minsf_nonieee, minsf_sse, mindf3, mindf,
12760 mindf_nonieee, mindf_sse, maxsf3, maxsf, maxsf_nonieee, maxsf_sse,
12761 maxdf3, maxdf, maxdf_nonieee, maxdf_sse, sse_movsfcc, sse_movsfcc_eq,
12762 sse_movdfcc, sse_movdfcc_eq, sse_movsfcc_const0_1,
12763 sse_movsfcc_const0_2, sse_movsfcc_const0_3, sse_movsfcc_const0_4,
12764 sse_movdfcc_const0_1, sse_movdfcc_const0_2, sse_movdfcc_const0_3,
12765 sse_movdfcc_const0_4): Remove.
12766 * config/i386/i386.c (ix86_expand_fp_movcc): For TARGET_SSE_MATH,
12767 recognize min/max early. Update for changed sse cmove patterns.
12768 (ix86_split_sse_movcc): New.
12769 * config/i386/i386-protos.h: Update.
12770
12771 2005-01-13 Steven Bosscher <stevenb@suse.de>
12772
12773 * tree-ssa-dse.c (fix_phi_uses): Use SSA operand iterators.
12774 (fix_stmt_v_may_defs): Likewise.
12775
12776 2005-01-13 Richard Henderson <rth@redhat.com>
12777
12778 * config/i386/i386.c (ix86_expand_fp_absneg_operator): Use elt_mode
12779 for converting the mask.
12780
12781 2005-01-13 David Edelsohn <edelsohn@gnu.org>
12782
12783 * config/rs6000/aix52.h (CPLUSPLUS_CPP_SPEC): Change _XOPEN_SOURCE
12784 definition to 600.
12785
12786 2005-01-13 Richard Henderson <rth@redhat.com>
12787
12788 * config/i386/i386.c (IX86_BUILTIN_MOVQ, IX86_BUILTIN_LOADD,
12789 IX86_BUILTIN_STORED, IX86_BUILTIN_MOVQ2DQ,
12790 IX86_BUILTIN_MOVDQ2Q): Remove.
12791 (IX86_BUILTIN_VEC_EXT_V4SI): New.
12792 (ix86_init_mmx_sse_builtins, ix86_expand_builtin): Update to match.
12793 (ix86_expand_vector_extract): For V4S[FI], extract element 0 after
12794 shuffling.
12795 * config/i386/sse.md (sse_concatv2sf): Accept zero operand 2.
12796 (sse2_pextrw): Fix immediate constraint.
12797 (sse2_loadq, sse2_loadq_rex64): Remove.
12798 * config/i386/emmintrin.h (_mm_cvtsi128_si32, _mm_cvtsi128_si64x):
12799 Use __builtin_ia32_vec_ext_<size>.
12800 (_mm_cvtsi32_si128, _mm_cvtsi64x_si128): Use _mm_set_epi<size>.
12801
12802 2005-01-13 Aldy Hernandez <aldyh@redhat.com>
12803
12804 * function.c (assign_parm_setup_block): Look inside original
12805 entry_parm when inspecting PARALLEL.
12806
12807 2005-01-13 Ralf Corsepius <ralf.corsepius@rtems.org>
12808 Joel Sherrill <joel@oarcorp.com>
12809
12810 PR target/19399
12811 * gthr-rtems.h (__gthread_recursive_mutex_t): New type.
12812 (__GTHREAD_RECURSIVE_MUTEX_INIT_FUNCTION): Define to
12813 rtems_gxx_recursive_mutex_init.
12814 (__gthread_recursive_mutex_lock): New function.
12815 (__gthread_recursive_mutex_trylock): Likewise.
12816 (__gthread_recursive_mutex_unlock): Likewise.
12817
12818 2005-01-13 Ralf Corsepius <ralf.corsepius@rtems.org>
12819
12820 * config/i386/t-rtems-i386: Multilib on -mtune instead of -mcpu.
12821
12822 2005-01-13 Jan Beulich <jbeulich@novell.com>
12823
12824 * config/ia64/ia64.md (ashlti3, ashlti3_internal): New.
12825 (ashrti3_internal): Indicate output is early clobber. Generate result
12826 into output rather than first input. Use move for low word of output
12827 if shift count is exactly 64.
12828 (lshrti3_internal): Likewise.
12829
12830 2005-01-13 Hans-Peter Nilsson <hp@bitrange.com>
12831
12832 PR target/18329
12833 PR target/18330
12834 * reload1.c (delete_output_reload): Don't delete an output reload
12835 if the pseudo lives longer than a single basic block. Adjust and
12836 improve wording of comment.
12837
12838 2005-01-12 Andrew Pinski <pinskia@physics.uc.edu>
12839
12840 PR target/19334
12841 * config/darwin.c (machopic_select_section): Use TYPE_SIZE_UNIT instead
12842 of TYPE_SIZE where we mean the number of bytes.
12843
12844 2005-01-12 Aldy Hernandez <aldyh@redhat.com>
12845
12846 * function.c (assign_parm_setup_block): Relax condition on
12847 multi-register optimization.
12848
12849 2005-01-12 Nick Clifton <nickc@redhat.com>
12850
12851 * config/sh/sh.md (udivsi3_sh2a, divsi3_sh2a): Give these patterns
12852 an "in_delay_slot" attribute of "no" to prevent them being used in
12853 delay slots. This is forbidden because they might generate
12854 exceptions.
12855
12856 2005-01-12 Alan Modra <amodra@bigpond.net.au>
12857
12858 PR target/19389
12859 * config/rs6000/rs6000.md (movtf_internal): Replace r->o and m->r
12860 with r->Y and Y->r.
12861
12862 2005-01-12 Nick Clifton <nickc@redhat.com>
12863
12864 * config/iq2000/iq2000.h (ASM_SPEC): Undefine (to stop -Qy being
12865 passed on to GAS) but do not define, as GAS no longer supports or
12866 needs the -m2000 option.
12867
12868 2005-01-11 Roger Sayle <roger@eyesopen.com>
12869
12870 * builtins.c (fold_builtin_fabs): Convert argument to the appropriate
12871 type as args of unprototyped builtins aren't automatically promoted.
12872 (fold_builtin_abs): Likewise.
12873
12874 2005-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12875
12876 * Makefile.in: Set a `build-warn' variable.
12877
12878 2005-01-11 Zdenek Dvorak <dvorakz@suse.cz>
12879
12880 PR tree-optimization/17949
12881 * tree-ssa-loop-ivopts.c (may_be_unaligned_p): New function.
12882 (find_interesting_uses_address): Use it.
12883
12884 2005-01-11 Aldy Hernandez <aldyh@redhat.com>
12885
12886 * regrename.c (kill_value): Handle subreg's that won't simplify.
12887
12888 2005-01-11 Richard Henderson <rth@redhat.com>
12889
12890 PR target/13366
12891 * config/i386/i386.h (enum ix86_builtins): Move ...
12892 * config/i386/i386.c: ... here.
12893 (IX86_BUILTIN_MOVDDUP, IX86_BUILTIN_MMX_ZERO, IX86_BUILTIN_PEXTRW,
12894 IX86_BUILTIN_PINSRW, IX86_BUILTIN_LOADAPS, IX86_BUILTIN_LOADSS,
12895 IX86_BUILTIN_STORESS, IX86_BUILTIN_SSE_ZERO, IX86_BUILTIN_PEXTRW128,
12896 IX86_BUILTIN_PINSRW128, IX86_BUILTIN_LOADAPD, IX86_BUILTIN_LOADSD,
12897 IX86_BUILTIN_STOREAPD, IX86_BUILTIN_STORESD, IX86_BUILTIN_STOREHPD,
12898 IX86_BUILTIN_STORELPD, IX86_BUILTIN_SETPD1, IX86_BUILTIN_SETPD,
12899 IX86_BUILTIN_CLRPD, IX86_BUILTIN_LOADPD1, IX86_BUILTIN_LOADRPD,
12900 IX86_BUILTIN_STOREPD1, IX86_BUILTIN_STORERPD, IX86_BUILTIN_LOADDQA,
12901 IX86_BUILTIN_STOREDQA, IX86_BUILTIN_CLRTI,
12902 IX86_BUILTIN_LOADDDUP): Remove.
12903 (IX86_BUILTIN_VEC_INIT_V2SI, IX86_BUILTIN_VEC_INIT_V4HI,
12904 IX86_BUILTIN_VEC_INIT_V8QI, IX86_BUILTIN_VEC_EXT_V2DF,
12905 IX86_BUILTIN_VEC_EXT_V2DI, IX86_BUILTIN_VEC_EXT_V4SF,
12906 IX86_BUILTIN_VEC_EXT_V8HI, IX86_BUILTIN_VEC_EXT_V4HI,
12907 IX86_BUILTIN_VEC_SET_V8HI, IX86_BUILTIN_VEC_SET_V4HI): New.
12908 (ix86_init_builtins): Make static.
12909 (ix86_init_mmx_sse_builtins): Update for changed builtins.
12910 (ix86_expand_binop_builtin): Only use ix86_fixup_binary_operands
12911 if all the modes match. Otherwise, fake it.
12912 (get_element_number, ix86_expand_vec_init_builtin,
12913 ix86_expand_vec_ext_builtin, ix86_expand_vec_set_builtin): New.
12914 (ix86_expand_builtin): Make static. Update for changed builtins.
12915 (ix86_expand_vector_move_misalign): Use sse2_loadlpd with zero
12916 operand instead of sse2_loadsd. Cast sse1 fallback to V4SFmode.
12917 (ix86_expand_vector_init_duplicate): New.
12918 (ix86_expand_vector_init_low_nonzero): New.
12919 (ix86_expand_vector_init_one_var, ix86_expand_vector_init_general):
12920 Split out from ix86_expand_vector_init; handle integer modes.
12921 (ix86_expand_vector_init): Use them.
12922 (ix86_expand_vector_set, ix86_expand_vector_extract): New.
12923 * config/i386/i386-protos.h: Update.
12924 * config/i386/predicates.md (reg_or_0_operand): New.
12925 * config/i386/mmx.md (mov<MMXMODEI>_internal): Add 'r' variants.
12926 (movv2sf_internal): Likewise. And a splitter to match them all.
12927 (vec_dupv2sf, mmx_concatv2sf, vec_setv2sf, vec_extractv2sf,
12928 vec_initv2sf, vec_dupv4hi, vec_dupv2si, mmx_concatv2si, vec_setv2si,
12929 vec_extractv2si, vec_initv2si, vec_setv4hi, vec_extractv4hi,
12930 vec_initv4hi, vec_setv8qi, vec_extractv8qi, vec_initv8qi): New.
12931 (mmx_pinsrw): Fix operand ordering.
12932 * config/i386/sse.md (movv4sf splitter): Use direct pattern,
12933 rather than sse_loadss expander.
12934 (movv2df splitter): Similarly.
12935 (sse_loadss, sse_loadlss): Remove.
12936 (vec_dupv4sf, sse_concatv2sf, sse_concatv4sf, vec_extractv4sf_0): New.
12937 (vec_setv4sf, vec_setv2df): Use ix86_expand_vector_set.
12938 (vec_extractv4sf, vec_extractv2df): Use ix86_expand_vector_extract.
12939 (sse3_movddup): Rename with '*'.
12940 (sse3_movddup splitter): Use gen_rtx_REG instead of gen_lowpart.
12941 (sse2_loadsd): Remove.
12942 (vec_dupv2df_sse3): Rename from sse3_loadddup.
12943 (vec_dupv2df, vec_concatv2df_sse3, vec_concatv2df): New.
12944 (sse2_pinsrw): Fix argument ordering.
12945 (sse2_loadld, sse2_loadq): Add sse1 alternatives.
12946 (sse2_stored): Remove 'r' destination.
12947 (vec_dupv4si, vec_dupv2di, sse2_concatv2si, sse1_concatv2si,
12948 vec_concatv4si_1, vec_concatv2di, vec_setv2di, vec_extractv2di,
12949 vec_initv2di, vec_setv4si, vec_extractv4si, vec_initv4si,
12950 vec_setv8hi, vec_extractv8hi, vec_initv8hi, vec_setv16qi,
12951 vec_extractv16qi, vec_initv16qi): New.
12952
12953 * config/i386/emmintrin.h (__m128i, __m128d): Use typedef, not define.
12954 (_mm_set_sd, _mm_set1_pd, _mm_setzero_pd, _mm_set_epi64x,
12955 _mm_set_epi32, _mm_set_epi16, _mm_set_epi8, _mm_setzero_si128): Use
12956 constructor form.
12957 (_mm_load_pd, _mm_store_pd): Use plain dereference.
12958 (_mm_load_si128, _mm_store_si128): Likewise.
12959 (_mm_load1_pd): Use _mm_set1_pd.
12960 (_mm_load_sd): Use _mm_set_sd.
12961 (_mm_store_sd, _mm_storeh_pd): Use __builtin_ia32_vec_ext_v2df.
12962 (_mm_store1_pd, _mm_storer_pd): Use _mm_store_pd.
12963 (_mm_set_epi64): Use _mm_set_epi64x.
12964 (_mm_set1_epi64x, _mm_set1_epi64, _mm_set1_epi32, _mm_set_epi16,
12965 _mm_set1_epi8, _mm_setr_epi64, _mm_setr_epi32, _mm_setr_epi16,
12966 _mm_setr_epi8): Use _mm_set_foo form.
12967 (_mm_loadl_epi64, _mm_movpi64_epi64, _mm_move_epi64): Use _mm_set_epi64.
12968 (_mm_storel_epi64, _mm_movepi64_pi64): Use __builtin_ia32_vec_ext_v2di.
12969 (_mm_extract_epi16): Use __builtin_ia32_vec_ext_v8hi.
12970 (_mm_insert_epi16): Use __builtin_ia32_vec_set_v8hi.
12971 * config/i386/mmintrin.h (_mm_setzero_si64): Use plain cast.
12972 (_mm_set_pi32): Use __builtin_ia32_vec_init_v2si.
12973 (_mm_set_pi16): Use __builtin_ia32_vec_init_v4hi.
12974 (_mm_set_pi8): Use __builtin_ia32_vec_init_v8qi.
12975 (_mm_set1_pi16, _mm_set1_pi8): Use _mm_set_piN variant.
12976 * config/i386/pmmintrin.h (_mm_loaddup_pd): Use _mm_load1_pd.
12977 (_mm_movedup_pd): Use _mm_shuffle_pd.
12978 * config/i386/xmmintrin.h (_mm_setzero_ps, _mm_set_ss,
12979 _mm_set1_ps, _mm_set_ps, _mm_setr_ps): Use constructor form.
12980 (_mm_cvtpi16_ps, _mm_cvtpu16_ps, _mm_cvtpi8_ps, _mm_cvtpu8_ps,
12981 _mm_cvtps_pi8, _mm_cvtpi32x2_ps): Avoid __builtin_ia32_mmx_zero;
12982 Use _mm_setzero_ps.
12983 (_mm_load_ss, _mm_load1_ps): Use _mm_set* form.
12984 (_mm_load_ps, _mm_loadr_ps): Use raw dereference.
12985 (_mm_store_ss): Use __builtin_ia32_vec_ext_v4sf.
12986 (_mm_store_ps): Use raw dereference.
12987 (_mm_store1_ps): Use _mm_storeu_ps.
12988 (_mm_storer_ps): Use _mm_store_ps.
12989 (_mm_extract_pi16): Use __builtin_ia32_vec_ext_v4hi.
12990 (_mm_insert_pi16): Use __builtin_ia32_vec_set_v4hi.
12991
12992 2005-01-11 Stan Shebs <shebs@apple.com>
12993
12994 * config/rs6000/rs6000.c (machopic_output_stub): Issue
12995 ldu instead of lwzu if 64-bit -mdynamic-no-pic.
12996
12997 2005-01-11 Andrew Pinski <pinskia@physics.uc.edu>
12998
12999 PR target/18761
13000 * config/rs6000/rs6000.c (rs6000_special_round_type_align):
13001 Skip all DECLs except for FIELD_DECLs.
13002
13003 2005-01-11 Andreas Krebbel <krebbel1@de.ibm.com>
13004
13005 * config/s390/s390.c (override_options): Return error if
13006 -mbackchain, -mpacked-stack and -mhard-float are used together.
13007 (s390_va_start): Remove the backchain && packed-stack special case.
13008 (s390_gimplify_va_arg): Likewise.
13009 * doc/invoke.texi: Remove the ABI incompatibility note.
13010
13011 2005-01-11 Andreas Krebbel <krebbel1@de.ibm.com>
13012
13013 * config/s390/s390.c (struct s390_frame_layout): Remove
13014 save_backchain_p.
13015 (s390_frame_info, s390_emit_prologue): Replace occurrences of
13016 save_backchain_p with TARGET_BACKCHAIN.
13017
13018 2005-01-11 Alan Modra <amodra@bigpond.net.au>
13019
13020 PR target/18916
13021 * builtins.c (std_gimplify_va_arg_expr): Adjust alignment of *ap.
13022 * expr.h (struct locate_and_pad_arg_data): Add "boundary".
13023 * function.c (locate_and_pad_parm): Set new field.
13024 (assign_parm_find_stack_rtl): Use it instead of FUNCTION_ARG_BOUNDARY.
13025 Tweak where_pad test to include "none". Always set mem align for
13026 stack_parm.
13027 (assign_parm_adjust_stack_rtl): Discard stack_parm if alignment
13028 not sufficient for type.
13029 (assign_parm_setup_block): If stack_parm is zero on entry, always
13030 make a new stack local. Block move old stack parm if necessary
13031 to new aligned stack local.
13032 (assign_parm_setup_stack): Use a block move to handle
13033 potentially misaligned entry_parm.
13034 (assign_parms_unsplit_complex): Specify required alignment when
13035 creating stack local.
13036 * calls.c (compute_argument_addresses): Override alignment of stack
13037 arg calculated from its type with the alignment given by
13038 FUNCTION_ARG_BOUNDARY.
13039 (store_one_arg): Likewise.
13040
13041 2005-01-11 Jan Beulich <jbeulich@novell.com>
13042
13043 * config/ia64/ia64.md (zero_extendsidi2): Replace zxt4 by addp4.
13044 Change respective itanium_class attribute to ialu.
13045 (shladdp4_internal): New.
13046 * config/ia64/predicates.md (shladd_log2_operand): New.
13047
13048 2005-01-11 Richard Henderson <rth@redhat.com>
13049
13050 * expr.c (store_constructor): Use rtvec_alloc instead of
13051 alloca+gen_rtvec_v, and an incorrect number passed to alloca.
13052
13053 2005-01-11 Kazu Hirata <kazu@cs.umass.edu>
13054
13055 * config/alpha/alpha.c, config/i386/mmx.md: Fix comment typos.
13056
13057 2005-01-11 Alan Modra <amodra@bigpond.net.au>
13058
13059 * varasm.c (default_section_type_flags_1): Don't set SECTION_SMALL.
13060 * config/ia64/ia64.c (TARGET_SECTION_TYPE_FLAGS): Define.
13061 (TARGET_RWRELOC): Define.
13062 (ia64_rwreloc_section_type_flags): Delete.
13063 (ia64_section_type_flags): New function.
13064 * config/ia64/hpux.h (TARGET_SECTION_TYPE_FLAGS): Don't define.
13065 (TARGET_RWRELOC): Define.
13066
13067 2005-01-10 David Mosberger <davidm@hpl.hp.com>
13068
13069 PR target/18987
13070 * config/ia64/ia64.c (process_set): For alloc insn, only call
13071 process_epilogue is !frame_pointer_needed.
13072
13073 2005-01-10 Roger Sayle <roger@eyesopen.com>
13074
13075 PR c++/19355
13076 * c-common.c (c_common_truthvalue_conversion): TRUTH_NOT_EXPR is a
13077 unary operator and can't be treated as a binary/comparison operator.
13078
13079 2005-01-10 Richard Henderson <rth@redhat.com>
13080
13081 * config/i386/i386.c (ix86_function_value): Use type_natural_mode.
13082 (ix86_return_in_memory): Likewise.
13083 (function_arg_advance): Likewise. Mirror structure in function_arg
13084 for choosing register to advance.
13085
13086 2005-01-10 Kazu Hirata <kazu@cs.umass.edu>
13087
13088 * tree-vectorizer.c, tree.def: Fix comment typos.
13089
13090 2005-01-10 Mark Dettinger <dettinge@de.ibm.com>
13091
13092 * config/s390/s390.c (struct processor_costs): 4 new fields:
13093 ddbr, ddr, debr, der.
13094 (s390_rtx_costs): More precise handling of divide instructions.
13095
13096 2005-01-10 David Edelsohn <edelsohn@gnu.org>
13097
13098 * config/rs6000/t-aix43 (BOOT_LDFLAGS): Define.
13099
13100 2005-01-10 Jan Beulich <jbeulich@novell.com>
13101
13102 * config/ia64/ia64.c (ia64_in_small_data_p): Also handle the section
13103 names resulting from -ffunction-sections/-fdata-sections and linkonce
13104 ones.
13105 * varasm.c (default_section_type_flags_1): Also set SECTION_SMALL
13106 based on the section name. Rearrange the section name comparison logic
13107 slightly so that each section name is compared against at most once.
13108
13109 2005-01-10 Ben Elliston <bje@au.ibm.com>
13110
13111 * doc/invoke.texi (Code Gen Options): Add PowerPC to the list of
13112 targets for which -fPIC reduces limitations on the GOT size.
13113
13114 2005-01-09 Falk Hueffner <falk@debian.org>
13115
13116 * fold-const.c (fold): Also handle EXACT_DIV_EXPR when folding
13117 X/C1 cmpop C2.
13118
13119 2005-01-09 David Edelsohn <edelsohn@gnu.org>
13120
13121 PR target/18720
13122 * collect2.c (main): Set aixrtl_flag for -brtl option.
13123 (resolve_lib_name): Search for .so file extension before .a
13124 if aixrtl_flag set.
13125
13126 2005-01-09 Dorit Naishlos <dorit@il.ibm.com>
13127
13128 * tree-vectorizer.c (vect_enhance_data_refs_alignment): Add dump prints.
13129 (vect_analyze_data_refs_alignment): Add dump prints.
13130
13131 2005-01-09 Ira Rosen <irar@il.ibm.com>
13132
13133 * tree-vectorizer.c (vect_analyze_offset_expr): Use
13134 expr_invariant_in_loop_p.
13135 Initialize outputs first thing in the function.
13136 (vect_update_ivs_after_vectorizer): Call initial_condition_in_loop_num.
13137 (vect_is_simple_iv_evolution): Call initial_condition_in_loop_num.
13138 (vect_analyze_pointer_ref_access): Check that the initial condition of
13139 the access function is loop invariant.
13140
13141 2005-01-09 Richard Henderson <rth@redhat.com>
13142
13143 * config/i386/i386.c (bdesc_2arg): Update names for mmx_ prefixes.
13144 (ix86_expand_builtin): Likewise. Frob MASKMOVQ wrt the input mem
13145 just like MASKMOVDQU. Return plain zero for MMX_ZERO.
13146 * config/i386/i386.md (MMXMODEI, mov<MMXMODEI>,
13147 mov<MMXMODEI>_internal_rex64, mov<MMXMODEI>_internal, movv2sf,
13148 movv2sf_internal_rex64, movv2sf_internal, MMXMODE,
13149 movmisalign<MMXMODE>, mmx_pmovmskb, mmx_maskmovq, mmx_maskmovq_rex,
13150 sse_movntdi, addv8qi3, addv4hi3, addv2si3, mmx_adddi3, ssaddv8qi3,
13151 ssaddv4hi3, usaddv8qi3, usaddv4hi3, subv8qi3, subv4hi3, subv2si3,
13152 mmx_subdi3, sssubv8qi3, sssubv4hi3, ussubv8qi3, ussubv4hi3,
13153 mulv4hi3, smulv4hi3_highpart, umulv4hi3_highpart, mmx_pmaddwd,
13154 sse2_umulsidi3, mmx_iordi3, mmx_xordi3, mmx_anddi3, mmx_nanddi3,
13155 mmx_uavgv8qi3, mmx_uavgv4hi3, mmx_psadbw, mmx_pinsrw, mmx_pinsrw,
13156 mmx_pextrw, mmx_pshufw, eqv8qi3, eqv4hi3, eqv2si3, gtv8qi3, gtv4hi3,
13157 gtv2si3, umaxv8qi3, smaxv4hi3, uminv8qi3, sminv4hi3, ashrv4hi3,
13158 ashrv2si3, lshrv4hi3, lshrv2si3, mmx_lshrdi3, ashlv4hi3, ashlv2si3,
13159 mmx_ashldi3, mmx_packsswb, mmx_packssdw, mmx_packuswb, mmx_punpckhbw,
13160 mmx_punpckhwd, mmx_punpckhdq, mmx_punpcklbw, mmx_punpcklwd,
13161 mmx_punpckldq, emms, addv2sf3, subv2sf3, subrv2sf3, gtv2sf3, gev2sf3,
13162 eqv2sf3, pfmaxv2sf3, pfminv2sf3, mulv2sf3, femms, pf2id, pf2iw,
13163 pfacc, pfnacc, pfpnacc, pi2fw, floatv2si2, pfrcpv2sf2, pfrcpit1v2sf3,
13164 pfrcpit2v2sf3, pfrsqrtv2sf2, pfrsqit1v2sf3, pmulhrwv4hi3, pswapdv2si2,
13165 pswapdv2sf2): Move to mmx.md; rename as necessary with leading
13166 mmx_ prefix.
13167 (mmx_clrdi, pavgusb): Remove.
13168 (ldmxcsr, stmxcsr, sfence, sfence_insn): Move to sse.md; rename
13169 with leading sse_ prefix.
13170 * config/i386/sse.md: Receive them.
13171 * config/i386/mmx.md: New file.
13172 (MMXMODE12, MMXMODE24, mmxvecsize): New.
13173 (subrv2sf3): Turn into expander for normal subtraction.
13174 (mmx_addv2sf3, mmx_mulv2sf3, mmx_smaxv2sf3, mmx_sminv2sf3,
13175 mmx_eqv2sf3, mmx_mulv4hi3, mmx_smulv4hi3_highpart,
13176 mmx_umulv4hi3_highpart, mmx_pmaddwd, mmx_pmulhrwv4hi3, sse2_umulsidi3,
13177 mmx_umaxv8qi3, mmx_smaxv4hi3, mmx_uminv8qi3, mmx_sminv4hi3): Mark
13178 commutative; use ix86_binary_operator_ok.
13179 (mmx_add<MMXMODEI>3, mmx_ssadd<MMXMODE12>3, mmx_usadd<MMXMODE12>3,
13180 mmx_sub<MMXMODEI>3, mmx_sssub<MMXMODE12>3, mmx_ussub<MMXMODE12>3
13181 mmx_ashr<MMXMODE24>3, mmx_lshr<MMXMODE23>3, mmx_ashl<MMXMODE24>3
13182 mmx_eq<MMXMODEI>3, mmx_gt<MMXMODEI>3, mmx_and<MMXMODEI>3,
13183 mmx_nand<MMXMODEI>3, mmx_ior<MMXMODEI>3, mmx_xor<MMXMODEI>3):
13184 Macroize from existing patterns; use ix86_binary_operator_ok.
13185 (mmx_packsswb, mmx_packssdw, mmx_packuswb): Add memory alternative.
13186 (mmx_punpckhbw, mmx_punpcklbw, mmx_punpckhwd, mmx_punpcklwd,
13187 mmx_punpckhdq, mmx_punpckhdq, mmx_punpckldq): Likewise. Model
13188 with vec_select+vec_concat.
13189 (mmx_pshufw, mmx_pshufw_1): Likewise.
13190 (mmx_uavgv8qi3): Merge pavgusb. Model correcty.
13191 (mmx_uavgv4hi3): Model correctly.
13192 * config/i386/mmintrin.h (_mm_and_si64, _mm_andnot_si64, _mm_or_si64,
13193 _mm_xor_si64): Remove casts.
13194
13195 2005-01-09 Zdenek Dvorak <dvorakz@suse.cz>
13196
13197 PR tree-optimization/19224
13198 * tree-scalar-evolution.c (get_instantiated_value,
13199 set_instantiated_value): New functions.
13200 (instantiate_parameters_1): Cache the results.
13201 (instantiate_parameters, resolve_mixers): Initialize and free
13202 the cache.
13203
13204 2005-01-08 David Edelsohn <edelsohn@gnu.org>
13205
13206 * config/i386/i386.md (addhi_4): Correct reference in comment.
13207 (addqi_4): Same.
13208
13209 2005-01-08 Richard Henderson <rth@redhat.com>
13210
13211 * config/i386/emmintrin.h (_mm_cvtsi128_si32): Move earlier.
13212 (_mm_cvtsi128_si64x): Likewise.
13213 (_mm_srl_epi64, _mm_srl_epi32, _mm_srl_epi16, _mm_sra_epi32,
13214 _mm_sra_epi16, _mm_sll_epi64, _mm_sll_epi32, _mm_sll_epi16): Use
13215 the _mm_{srl,sll}i_foo counterpart, and _mm_cvtsi128_si32.
13216 * config/i386/i386-modes.def: Add V16HI, V32QI, V4DF, V8SF.
13217 * config/i386/i386-protos.h: Update.
13218 * config/i386/i386.c (print_operand): Add 'H'.
13219 (ix86_fixup_binary_operands): Split out from ...
13220 (ix86_expand_binary_operator): ... here.
13221 (ix86_fixup_binary_operands_no_copy): New.
13222 (ix86_expand_fp_absneg_operator): Handle vector mode results.
13223 (bdesc_2arg): Update names for sse{,2,3}_ prefixes.
13224 (ix86_init_mmx_sse_builtins): Remove *maskncmp* special cases.
13225 (safe_vector_operand): Use CONST0_RTX.
13226 (ix86_expand_binop_builtin): Use ix86_fixup_binary_operands.
13227 (ix86_expand_builtin): Merge CODE_FOR_sse2_maskmovdqu_rex64 and
13228 CODE_FOR_sse2_maskmovdqu. Special case SSE version of MASKMOVDQU
13229 expansion. Update names for sse{,2,3}_ prefixes. Remove *maskncmp*
13230 special cases.
13231 * config/i386/i386.h (IX86_BUILTIN_CMPNGTSS): New.
13232 (IX86_BUILTIN_CMPNGESS): New.
13233 * config/i386/i386.md (UNSPEC_FIX_NOTRUNC): New.
13234 (attr type): Add sselog1.
13235 (attr unit, attr memory): Handle it.
13236 (movti, movti_internal, movti_rex64): Move near other integer moves.
13237 (movtf, movtf_internal): Move near other fp moves.
13238 (SSEMODE, SSEMODEI, vec_setv2df, vec_extractv2df, vec_initv2df,
13239 vec_setv4sf, vec_extractv4sf, vec_initv4sf, movv4sf, movv4sf_internal,
13240 movv2df, movv2df_internal, mov<SSEMODEI>, mov<SSEMODEI>_internal,
13241 movmisalign<SSEMODE>, sse_movups_1, sse_movmskps, sse_movntv4sf,
13242 sse_movhlps, sse_movlhps, sse_storehps, sse_loadhps, sse_storelps,
13243 sse_loadlps, sse_loadss, sse_loadss_1, sse_movss, sse_storess,
13244 sse_shufps, addv4sf3, vmaddv4sf3, subv4sf3, vmsubv4sf3, negv4sf2,
13245 mulv4sf3, vmmulv4sf3, divv4sf3, vmdivv4sf3, rcpv4sf2, vmrcpv4sf2,
13246 rsqrtv4sf2, vmrsqrtv4sf2, sqrtv4sf2, vmsqrtv4sf2, sse_andv4sf3,
13247 sse_nandv4sf3, sse_iorv4sf3, sse_xorv4sf3, sse2_andv2df3,
13248 sse2_nandv2df3, sse2_iorv2df3, sse2_xorv2df3, sse2_andv2di3,
13249 sse2_nandv2di3, sse2_iorv2di3, sse2_xorv2di3, maskcmpv4sf3,
13250 vmmaskcmpv4sf3, sse_comi, sse_ucomi, sse_unpckhps, sse_unpcklps,
13251 smaxv4sf3, vmsmaxv4sf3, sminv4sf3, vmsminv4sf3, cvtpi2ps, cvtps2pi,
13252 cvttps2pi, cvtsi2ss, cvtsi2ssq, cvtss2si, cvtss2siq, cvttss2si,
13253 cvttss2siq, addv2df3, vmaddv2df3, subv2df3, vmsubv2df3, mulv2df3,
13254 vmmulv2df3, divv2df3, vmdivv2df3, smaxv2df3, vmsmaxv2df3, sminv2df3,
13255 vmsminv2df3, sqrtv2df2, vmsqrtv2df2, maskcmpv2df3, vmmaskcmpv2df3,
13256 sse2_comi, sse2_ucomi, sse2_movmskpd, sse2_pmovmskb, sse2_maskmovdqu,
13257 sse2_maskmovdqu_rex64, sse2_movntv2df, sse2_movntv2di, sse2_movntsi,
13258 cvtdq2ps, cvtps2dq, cvttps2dq, cvtdq2pd, cvtpd2dq, cvttpd2dq,
13259 cvtpd2pi, cvttpd2pi, cvtpi2pd, cvtsd2si, cvtsd2siq, cvttsd2si,
13260 cvttsd2siq, cvtsi2sd, cvtsi2sdq, cvtsd2ss, cvtss2sd, cvtpd2ps,
13261 cvtps2pd, addv16qi3, addv8hi3, addv4si3, addv2di3, ssaddv16qi3,
13262 ssaddv8hi3, usaddv16qi3, usaddv8hi3, subv16qi3, subv8hi3, subv4si3,
13263 subv2di3, sssubv16qi3, sssubv8hi3, ussubv16qi3, ussubv8hi3, mulv8hi3,
13264 smulv8hi3_highpart, umulv8hi3_highpart, sse2_umulsidi3,
13265 sse2_umulv2siv2di3, sse2_pmaddwd, sse2_uavgv16qi3, sse2_uavgv8hi3,
13266 sse2_psadbw, sse2_pinsrw, sse2_pextrw, sse2_pshufd, sse2_pshuflw,
13267 sse2_pshufhw, eqv16qi3, eqv8hi3, eqv4si3, gtv16qi3, gtv8hi3,
13268 gtv4si3, umaxv16qi3, smaxv8hi3, uminv16qi3, sminv8hi3, ashrv8hi3,
13269 ashrv4si3, lshrv8hi3, lshrv4si3, lshrv2di3, ashlv8hi3, ashlv4si3,
13270 ashlv2di3, sse2_ashlti3, sse2_lshrti3, sse2_unpckhpd, sse2_unpcklpd,
13271 sse2_packsswb, sse2_packssdw, sse2_packuswb, sse2_punpckhbw,
13272 sse2_punpckhwd, sse2_punpckhdq, sse2_punpcklbw, sse2_punpcklwd,
13273 sse2_punpckldq, sse2_punpcklqdq, sse2_punpckhqdq, sse2_movupd,
13274 sse2_movdqu, sse2_movdq2q, sse2_movdq2q_rex64, sse2_movq2dq,
13275 sse2_movq2dq_rex64, sse2_loadd, sse2_stored, sse2_storehpd,
13276 sse2_loadhpd, sse2_storelpd, sse2_loadlpd, sse2_movsd, sse2_loadsd,
13277 sse2_loadsd_1, sse2_storesd, sse2_shufpd, sse2_clflush, sse2_mfence,
13278 mfence_insn, sse2_lfence, lfence_insn, mwait, monitor, addsubv4sf3,
13279 addsubv2df3, haddv4sf3, haddv2df3, hsubv4sf3, hsubv2df3, movshdup,
13280 movsldup, lddqu, loadddup, movddup): Move to sse.md. Any with
13281 non-optabs meanings renamed with an "sse{,2,3}_" prefix at the
13282 same time.
13283 (SSEPUSH, push<SSEPUSH>): Remove.
13284 (MMXPUSH, push<MMXPUSH>): Remove.
13285 (sse_movaps, sse_movaps_1, sse_movups): Remove.
13286 (sse2_movapd, sse2_movdqa, sse2_movq): Remove.
13287 (sse2_andti3, sse2_nandti3, sse2_iorti3, sse2_xorti3): Remove.
13288 (sse_clrv4sf, sse_clrv2df, sse2_clrti): Remove.
13289 (maskncmpv4sf3, vmmaskncmpv4sf3): Remove.
13290 (maskncmpv2df3, vmmaskncmpv2df3): Remove.
13291 (ashrv8hi3_ti, ashrv4si3_ti, lshrv8hi3_ti, lshrv4si3_ti): Remove.
13292 (lshrv2di3_ti, ashlv8hi3_ti, ashlv4si3_ti, ashlv2di3_ti): Remove.
13293 * config/i386/athlon.md (athlon_sselog_load): Handle sselog1.
13294 (athlon_sselog_load_k8, athlon_sselog, athlon_sselog_k8): Likewise.
13295 * config/i386/ppro.md (ppro_sse_div_V4SF_load): Fix memory attr.
13296 (ppro_sse_log_V4SF_load): Similarly. Handle sselog1.
13297 (ppro_sse_log_V4SF): Handle sselog1.
13298 * config/i386/predicates.md (const_0_to_1_operand): New.
13299 (const_0_to_255_mul_8_operand): New.
13300 (const_1_to_31_operand): Rename from const_int_1_31_operand.
13301 (const_2_to_3_operand, const_4_to_7_operand): New.
13302 * config/i386/sse.md: New file.
13303 (SSEMODE12, SSEMODE24, SSEMODE124, SSEMODE248, ssevecsize): New.
13304 (sse_movups): Rename from sse_movups_1.
13305 (sse_loadlss): Rename from sse_loadss_1.
13306 (andv4sf3, iorv4sf3, xorv4sf3, andv2df3): Remove the sse prefix
13307 from the name.
13308 (negv4sf2): Use ix86_expand_fp_absneg_operator.
13309 (absv4sf2, negv2df, absv2df): New.
13310 (addv4sf3): Add expander to call ix86_fixup_binary_operands_no_copy.
13311 (subv4sf3, mulv4sf3, divv4sf3, smaxv4sf3, sminv4sf3, andv4sf3,
13312 iorv4sf3, xorv4sf3, addv2df3, subv2df3, mulv2df3, divv2df3,
13313 smaxv2df3, sminv2df3, andv2df3, iorv2df3, xorv2df3, mulv8hi3,
13314 umaxv16qi3, smaxv8hi3, uminv16qi3, sminv8hi3): Likewise.
13315 (sse3_addsubv4sf3): Model correctly.
13316 sse3_haddv4sf3, sse3_hsubv4sf3, sse3_addsubv2df3, sse3_haddv2df3,
13317 sse3_hsubv2df3, sse2_ashlti3, sse2_lshrti3): Likewise.
13318 (sse_movhlps): Model with vec_select+vec_concat.
13319 (sse_movlhps, sse_unpckhps, sse_unpcklps, sse3_movshdup,
13320 sse3_movsldup, sse_shufps, sse_shufps_1, sse2_unpckhpd, sse3_movddup,
13321 sse2_unpcklpd, sse2_shufpd, sse2_shufpd_1, sse2_punpckhbw,
13322 sse2_punpcklbw, sse2_punpckhwd, sse2_punpcklwd, sse2_punpckhdq,
13323 sse2_punpckldq, sse2_punpckhqdq, sse2_punpcklqdq, sse2_pshufd,
13324 sse2_pshufd_1, sse2_pshuflw, sse2_pshuflw_1, sse2_pshufhw,
13325 sse2_pshufhw_1): Likewise.
13326 (neg<SSEMODEI>2, one_cmpl<SSEMODEI>2): New.
13327 (add<SSEMODEI>3, sse2_ssadd<SSEMODE12>3, sse2_usadd<SSEMODE12>3,
13328 sub<SSEMODEI>3, sse2_sssub<SSEMODE12>3, sse2_ussub<SSEMODE12>3,
13329 ashr<SSEMODE24>3, lshr<SSEMODE248>3, sse2_eq<SSEMODE124>3,
13330 sse2_gt<SSEMODDE124>3, and<SSEMODEI>3, sse_nand<SSEMODEI>3,
13331 ior<SSEMODEI>3, xor<SSEMODEI>3): Macroize from existing patterns.
13332 (addv4sf3, sse_vmaddv4sf3, mulv4sf3, sse_vmmulv4sf3, smaxv4sf3,
13333 sse_vmsmaxv4sf3, sminv4sf3, sse_vmsminv4sf3, addv2df3, sse2_vmaddv2df3,
13334 mulv2df3, sse2_vmmulv2df3, smaxv2df3, sse2_vmsmaxv2df3, sminv2df3,
13335 sse2_vmsminv2df3, umaxv16qi3, smaxv8hi3, uminv16qi3
13336 sminv8hi3): Mark commutative
13337 operands. Use ix86_binary_operator_ok.
13338 (sse_unpckhps, sse_unpcklps, sse2_packsswb, sse2_packssdw,
13339 sse2_packuswb, sse2_punpckhbw, sse2_punpcklbw, sse2_punpckhwd,
13340 sse2_punpcklwd, sse2_punpckhdq, sse2_punpckldq, sse2_punpckhqdq,
13341 sse2_punpcklqdq): Allow operand2 in memory.
13342 (sse_movhlps, sse_movlhps, sse2_unpckhpd, sse2_unpcklpd
13343 sse2_movsd): Add memory alternatives.
13344 (sse_storelps): Turn expander into an insn; split after reload.
13345 (sse_storess, sse2_loadhpd, sse2_loadlpd): Add non-xmm inputs.
13346 (sse2_storehpd, sse2_storelpd): Add non-xmm outputs.
13347
13348 2005-01-08 Eric Botcazou <ebotcazou@libertysurf.fr>
13349
13350 * configure.ac (DWARF-2 debug_line): Use objdump.
13351 * configure: Regenerate.
13352
13353 2005-01-08 Jeff Law <law@redhat.com>
13354 Diego Novillo <dnovillo@redhat.com>
13355
13356 PR tree-optimization/18241
13357 * tree-nrv.c (tree_nrv): Ignore volatile return values.
13358 * tree-ssa-dse.c (dse_optimize_stmt): Do not optimize
13359 statements with volatile operands.
13360 * tree-ssa-operands.c (add_stmt_operand): Do add volatile
13361 operands after marking a statement with has_volatile_ops.
13362
13363 2005-01-08 Roger Sayle <roger@eyesopen.com>
13364
13365 * tree.c (int_fits_type_p): Always honor integer constant
13366 TYPE_MIN_VALUE and TYPE_MAX_VALUE if they exist.
13367
13368 2005-01-08 Roger Sayle <roger@eyesopen.com>
13369
13370 * ifcvt.c (find_if_case_1): Reinstate 2005-01-04 change, now that
13371 the latent bug in rtl_delete_block has been resolved.
13372
13373 2005-01-08 Richard Sandiford <rsandifo@redhat.com>
13374
13375 * config/mips/t-iris6 (MULTILIB_DIRNAMES): Use -mabi argument values.
13376 (MULTILIB_OSDIRNAMES): Use the standard lib, lib32 and lib64.
13377
13378 2005-01-08 Richard Sandiford <rsandifo@redhat.com>
13379
13380 * config/mips/t-slibgcc-irix (SHLIB_LINK): Install a copy of the
13381 library as @multilib_dir@/$(SHLIB_SONAME).
13382
13383 2005-01-07 Eric Botcazou <ebotcazou@libertysurf.fr>
13384
13385 * configure.ac (HAVE_AS_OFFSETABLE_LO10): Fix typo.
13386 * configure: Regenerate.
13387
13388 2005-01-07 Jakub Jelinek <jakub@redhat.com>
13389
13390 * c-common.c (handle_mode_attribute): For ENUMERAL_TYPE, also copy
13391 TYPE_MODE.
13392
13393 2005-01-07 David Edelsohn <edelsohn@gnu.org>
13394
13395 PR target/13674
13396 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address):
13397 Convert non-word aligned offset address using ld/std into
13398 indirect address.
13399
13400 2005-01-07 Richard Henderson <rth@redhat.com>
13401
13402 * config/i386/i386.md (sse_loadhps splitter): Fix operand number typo.
13403
13404 2005-01-07 Richard SAndiford <rsandifo@redhat.com>
13405
13406 * tree.h (IS_EXPR_CODE_CLASS): Use a straight-forward range check.
13407
13408 2005-01-07 Jakub Jelinek <jakub@redhat.com>
13409
13410 PR tree-optimization/19283
13411 * fold-const.c (fold_widened_comparison): Return NULL if shorter_type
13412 is not shorter than the original type.
13413
13414 PR rtl-optimization/19012
13415 * config/i386/i386.md (addqi_1_slp): Set memory attribute.
13416
13417 PR rtl-optimization/18861
13418 * cfgbuild.c (BLOCK_USED_BY_TABLEJUMP): Define.
13419 (FULL_STATE): Define.
13420 (mark_tablejump_edge): New function.
13421 (purge_dead_tablejump_edges): New function.
13422 (find_bb_boundaries): Use it.
13423
13424 PR tree-optimization/18828
13425 * builtins.c (expand_builtin_next_arg): Remove argument and all
13426 the argument checking.
13427 (expand_builtin): Adjust caller.
13428 (expand_builtin_va_start): Likewise. Remove error for too many
13429 arguments.
13430 (fold_builtin_next_arg): Issue error for too many arguments.
13431 After checking arguments, replace them with magic arguments that
13432 prevent further checking of the args.
13433
13434 2005-01-06 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13435
13436 * pa64-hpux.h (STARTFILE_SPEC): Fix typo in spec.
13437
13438 2005-01-06 Roger Sayle <roger@eyesopen.com>
13439
13440 PR target/6077
13441 * gcc.c (input_suffix_matches): Tweak the semantics of %{.s:...}
13442 and %{.S:...} (and their negative variants) to test whether the
13443 input file is assembler or pre-processed-assembler independent of
13444 the actual filename extension.
13445
13446 2005-01-06 Roger Sayle <roger@eyesopen.com>
13447
13448 * simplify-rtx.c (simplify_subreg): Simplify truncations of shifts
13449 of sign or zero extended values.
13450
13451 2005-01-06 Geoffrey Keating <geoffk@apple.com>
13452
13453 * c-cppbuiltin.c (builtin_define_float_constants): Set __*_EPSILON__
13454 for IBM long double format correctly.
13455
13456 2005-01-06 Daniel Berlin <dberlin@dberlin.org>
13457
13458 Fix PR tree-optimization/18792
13459
13460 * tree-data-ref.c (build_classic_dist_vector): Change first_loop
13461 to first_loop_depth, and use loop depth instead of loop number.
13462 (build_classic_dir_vector): Ditto.
13463 (compute_data_dependences_for_loop): Use depth, not loop number.
13464 * tree-loop-linear.c (try_interchange_loops): Use loop depth, not loop
13465 number. Pass in loops, instead of loop numbers.
13466 (gather_interchange_stats): Ditto.
13467 (linear_transform_loops): Ditto.
13468
13469 2005-01-06 Richard Sandiford <rsandifo@redhat.com>
13470
13471 PR rtl-opt/13299
13472 * loop.c (get_monotonic_increment, biased_biv_fits_mode_p,
13473 biv_fits_mode_p, extension_within_bounds_p): New functions.
13474 (check_ext_dependent_givs): Use them.
13475
13476 2005-01-06 Roger Sayle <roger@eyesopen.com>
13477
13478 * cfgrtl.c (rtl_delete_block): A basic block may be followed by
13479 more than one barrier, in which case we should delete them all.
13480
13481 2005-01-06 Tobias Schlueter <tobias.schlueter@physik.uni-muenchen.de>
13482
13483 * gcc.c (process_command): Change year in 'gcc --version' to 2005.
13484
13485 2005-01-05 Daniel Berlin <dberlin@dberlin.org>
13486
13487 Fix PR middle-end/19286
13488 Fix PR debug/19267
13489 * dwarf2out.c (gen_subprogram_die): If we've already tried to
13490 output this subprogram, simply ignore this attempt to do it again.
13491 (add_abstract_origin_attribute): Don't abort trying to add the abstract
13492 origin attribute if it's not possible.
13493 (gen_block_die): Don't ignore subblocks of "unused" blocks.
13494 (decls_for_scope): Ditto.
13495 * gimple-low.c (mark_blocks_with_used_subblocks): Remove.
13496 (mark_used_blocks): Don't call mark_blocks_with_used_subblocks.
13497
13498 2005-01-05 Richard Henderson <rth@redhat.com>
13499
13500 PR target/11327
13501 * config/i386/i386.c (BUILTIN_DESC_SWAP_OPERANDS): New.
13502 (bdesc_2arg): Use it.
13503 (ix86_expand_binop_builtin): Force operands into registers
13504 when optimizing.
13505 (ix86_expand_unop_builtin, ix86_expand_unop1_builtin,
13506 ix86_expand_sse_compare, ix86_expand_sse_comi,
13507 ix86_expand_builtin): Likewise.
13508
13509 2005-01-05 Richard Henderson <rth@redhat.com>
13510
13511 * config/ia64/ia64.c (rtx_needs_barrier): Handle CONST_VECTOR
13512 and VEC_SELECT.
13513 * config/ia64/vect.md (mulv8qi3): Re-implement with mix_[rl].
13514 (mulv4hi3): Set itanium_class mmmul.
13515 (fpack_sfxf, fpack_xfsf, fpack_xfxf): Remove.
13516 (fpack): Rename from fpack_sfsf.
13517
13518 2005-01-05 Richard Henderson <rth@redhat.com>
13519
13520 PR rtl-opt/10692
13521 * reload1.c (do_input_reload): Restrict the optimization deleteing
13522 a previous output reload to RELOAD_FOR_INPUT.
13523
13524 2005-01-05 Steven Bosscher <stevenb@suse.de>
13525
13526 * combine.c (expand_compound_operation) <ZERO_EXTRACT>: Add
13527 comment that we fall through after case.
13528 (mark_used_regs_combine): Don't expect a SIGN_EXTRACT in a SET_DEST.
13529 (distribute_links): Likewise.
13530 * cse.c (cse_insn): Likewise.
13531 * cselib.c (cselib_invalidate_mem): Likewise.
13532 * df.c: Update comments at the top of the file.
13533 (read_modify_subreg_p): Update comments here too.
13534 (df_def_record_1): Don't expect a SIGN_EXTRACT in a SET_DEST.
13535 * flow.c (mark_set_1): Likewise.
13536 (mark_used_regs): Likewise.
13537 * gcse.c (mems_conflict_for_gcse_p): Likewise.
13538 (canon_list_insert): Likewise.
13539 (mark_set): Likewise.
13540 (try_replace_reg): Likewise.
13541 (store_killed_in_insn): Likewise.
13542 * loop.c (count_one_set): Likewise.
13543 (basic_induction_var): Likewise.
13544 * postreload-gcse.c (find_mem_conflicts): Likewise.
13545 * postreload.c (reload_combine_note_store): Likewise.
13546 (move2add_note_store): Likewise.
13547 * reload.c (find_equiv_reg): Likewise.
13548 (mark_referenced_resources): Likewise.
13549 * rtlanal.c (set_noop_p): Likewise.
13550 (note_stores): Likewise.
13551 (note_uses): Likewise.
13552 * sched-deps.c (sched_analyze_1): Likewise.
13553 * sched-rgn.c (check_live_1): Likewise.
13554 (update_live_1): Likewise.
13555 * config/i860/i860.c: Likewise.
13556
13557 * rtl.dec (SIGN_EXTRACT): Document that this cannot appear as
13558 an lvalue.
13559 (ZERO_EXTRACT): Mention that this one can be an lvalue.
13560
13561 * doc/rtl.texi: Update documentation for bit-fields and SET.
13562
13563 2005-01-05 Roger Sayle <roger@eyesopen.com>
13564
13565 * ifcvt.c (find_if_case_1): Revert 2005-01-04 change.
13566
13567 2005-01-05 Jan Hubicka <jh@suse.cz>
13568 Richard Henderson <rth@redhat.com>
13569
13570 PR target/18910
13571 * config/i386/i386.c (ix86_expand_move): Handle tls symbols
13572 with an offset.
13573
13574 2005-01-05 Richard Henderson <rth@redhat.com>
13575
13576 PR target/12902
13577 * config/i386/i386.md (sse_movhps, sse_movlps): Remove.
13578 (sse_shufps): Change operand 3 to const_int_operand.
13579 (sse2_storelps): Fix typo in template.
13580 (sse_storehps, sse_loadhps, sse_storelps, sse_loadlps): New.
13581 * config/i386/i386.c (ix86_expand_vector_move_misalign): Use them.
13582 (ix86_expand_builtin): Likewise.
13583
13584 2005-01-05 Julian Brown <julian@codesourcery.com>
13585
13586 * config/arm/arm.c (arm_return_in_memory): Treat complex types
13587 as aggregates for AAPCS ABIs.
13588
13589 2005-01-05 Stan Shebs <shebs@apple.com>
13590
13591 * unwind-dw2-fde-darwin.c (examine_objects): Use 64-bit
13592 Mach-O getters if ppc64.
13593 * config/darwin.c (darwin_asm_output_dwarf_delta): Obey
13594 size argument.
13595 * config/darwin.h (ASM_PREFERRED_EH_DATA_FORMAT): Use
13596 signed four-byte field for global code case.
13597 (STARTFILE_SPEC): Avoid crt2.o for 64-bit compilation.
13598
13599 2005-01-05 Roger Sayle <roger@eyesopen.com>
13600
13601 PR middle-end/19100
13602 * c-common.c: Include real.h.
13603 (c_common_truthvalue_conversion): Avoid destructively modifying expr.
13604 Correctly handle TREE_CONSTANT_OVERFLOW for INTEGER_CST.
13605 Correctly handle TREE_CONSTANT_OVERFLOW and NaNs for REAL_CST.
13606 * Makefile.in (c-common.o): Update dependencies.
13607
13608 2005-01-05 Joseph S. Myers <joseph@codesourcery.com>
13609
13610 * c-parse.in (asm_string): Add trailing semicolon.
13611
13612 2005-01-05 Joseph S. Myers <joseph@codesourcery.com>
13613
13614 * c-parse.in (asm_string): New. Don't allow wide strings in
13615 'asm'.
13616 (simple_asm_expr, asm_argument, asm_operand, asm_clobbers): Use
13617 asm_string instead of STRING.
13618
13619 2005-01-05 Joseph S. Myers <joseph@codesourcery.com>
13620
13621 * c-typeck.c (constructor_no_implicit): Remove.
13622 (set_designator, process_init_element): Don't check
13623 constructor_no_implicit.
13624
13625 2005-01-05 J"orn Rennecke <joern.rennecke@st.com>
13626 Kaz Kojima <kkojima@gcc.gnu.org>
13627
13628 PR target/16482
13629 * lcm.c (create_pre_exit): New.
13630 (optimize_mode_switching): In MODE_ENTRY / MODE_EXIT case, set
13631 ENTRY_EXIT_EXTRA to 3. Use create_pre_exit.
13632
13633 2004-01-05 Richard Earnshaw <rearnsha@arm.com>
13634
13635 * arm.h (TARGET_OPTIONS): Correctly record -mhard-float and
13636 -msoft-float in target_float_switch.
13637 * arm.c (arm_override_options): Fix processing of target_float_switch.
13638
13639 2004-01-05 Richard Earnshaw <rearnsha@arm.com>
13640
13641 * arm/vfp.md (arm_movsi_vfp): Hide VFP register classes from register
13642 preferencing.
13643
13644 2004-01-05 Uros Bizjak <uros@kss-loka.si>
13645
13646 * doc/invoke.texi (Intel 386 and AMD x86-64 Options):
13647 Replace i387 with 'i386 compiler' in -mfpmath=sse option.
13648
13649 2005-01-04 Roger Sayle <roger@eyesopen.com>
13650
13651 * ifcvt.c (find_if_case_1): Avoid creating an empty forwarder block,
13652 if deleting the then-block allows the test-block to fallthru to the
13653 else-block.
13654
13655 2005-01-04 Andrew Pinski <pinskia@physics.uc.edu>
13656
13657 PR c/19152
13658 * c-decl.c (diagnose_mismatched_decls): Accept "extern inline" declared
13659 after the full declaration if the are in two different TUs.
13660
13661 2005-01-04 Richard Henderson <rth@redhat.com>
13662
13663 PR tree-opt/19158
13664 * tree-sra.c (generate_one_element_init): Just
13665 call gimplify_and_add.
13666 (generate_element_init): Record the
13667 new referenced variables and mark them for renaming
13668 and split out to ...
13669 (generate_element_init_1): This.
13670 (scalarize_init): Don't call push_gimplify_context/
13671 pop_gimplify_context.
13672
13673 2005-01-04 Geoffrey Keating <geoffk@apple.com>
13674
13675 * toplev.c (get_src_pwd): Handle failure of getpwd().
13676
13677 2005-01-04 Roger Sayle <roger@eyesopen.com>
13678
13679 * fold-const.c (fold_single_bit_test): Delete unreachable handling
13680 of TRUTH_NOT_EXPR.
13681 (fold): Don't call fold_single_bit_test with a TRUTH_NOT_EXPR, as
13682 all the cases handled by it are inverted by invert_truthvalue.
13683
13684 2005-01-04 Eric Botcazou <ebotcazou@libertysurf.fr>
13685
13686 * config/sparc/sparc.md (save_register_windowdi): Add missing mode.
13687 (save_register_windowsi): Likewise.
13688
13689 2005-01-04 Richard Henderson <rth@redhat.com>
13690
13691 * tree-mudflap.c (mf_varname_tree): Fix thinko setting declname.
13692
13693 2005-01-04 Uros Bizjak <uros@kss-loka.si>
13694
13695 PR middle-end/17767
13696 * cse.c (fold_rtx) [RTX_COMPARE, RTX_COMM_COMPARE]: Don't attempt
13697 any simplifications of vector mode comparison operators.
13698 * simplify-rtx.c (simplify_relational_operation): Fix variable name.
13699
13700 2005-01-04 Paolo Bonzini <bonzini@gnu.org>
13701 Devang Patel <dpatel@apple.com>
13702
13703 PR tree-optimization/18308
13704 * tree-if-conv.c (add_to_dst_predicate_list): Gimplify
13705 the operands before creating a new expression.
13706 * dojump.c (do_jump): Make drop_through_label available
13707 for all cases. Add expansion of COND_EXPR.
13708
13709 2005-01-04 Ira Rosen <irar@il.ibm.com>
13710
13711 * tree-vectorizer.c (vect_analyze_offset_expr): Test for
13712 INTEGER_CST instead of TREE_CONSTANT.
13713 (vect_gen_niters_for_prolog_loop): Test for INTEGER_CST
13714 instead of TREE_CONSTANT.
13715 (vect_analyze_pointer_ref_access): Test for INTEGER_CST
13716 instead of TREE_CONSTANT.
13717
13718 2005-01-04 Eric Botcazou <ebotcazou@libertysurf.fr>
13719
13720 * tree-eh.c (replace_goto_queue): Return early if the queue is empty.
13721
13722 2005-01-04 Uros Bizjak <uros@kss-loka.si>
13723
13724 PR target/19240
13725 * config/i386/i386.md (*fop_df_1_i387): Disable for TARGET_SSE_MATH.
13726 (*fop_df_1_i387): Disable for (TARGET_SSE2 && TARGET_SSE_MATH).
13727
13728 2005-01-03 Richard Henderson <rth@redhat.com>
13729
13730 * fold-const.c (force_fit_type): Cope with types larger than 2 HWI.
13731 (fold_convert_const_int_from_int, fold_convert_const_int_from_real,
13732 fold_convert_const_real_from_real): Split out from ...
13733 (fold_convert_const): ... here.
13734
13735 2005-01-03 Richard Henderson <rth@redhat.com>
13736
13737 PR target/19235
13738 * config/i386/i386.md (movdi_2): Separate SSE1 and SSE2 alternatives.
13739 (mov<MMXMODEI>_internal): Likewise.
13740 (movdf_nointeger): Prefer Y while not preferring, but allowing, x.
13741 Add V2SF case; use it for SSE1; don't use TI.
13742 (movdf_integer): Likewise.
13743 (mov<SSEMODEI>_internal, movti_internal): Force V4SF for SSE1.
13744
13745 2005-01-03 Ira Rosen <irar@il.ibm.com>
13746
13747 * tree-vectorizer.c (vect_strip_conversions): New function.
13748 (vect_analyze_offset_expr): Call vect_strip_conversions. Add
13749 check for binary class.
13750
13751 2005-01-03 Daniel Berlin <dberlin@dberlin.org>
13752
13753 Fix PR debug/17924
13754 Fix PR debug/19191
13755 * dwarf2out.c (block_ultimate_origin): Follow decl origin if origin
13756 is a decl.
13757 * gimple-low.c (mark_blocks_with_used_vars): New function.
13758 (mark_blocks_with_used_subblocks): Ditto.
13759 (mark_used_blocks): Ditto.
13760 (pass_mark_used_blocks): New pass.
13761 * tree-inline.c: Include debug.h.
13762 (expand_call_inline): Call outlining_inline_function here.
13763 * tree-optimize.c (init_tree_optimization_passes): Add
13764 pass_mark_used_blocks.
13765 * tree-pass.h (pass_mark_used_blocks): New.
13766 * Makefile.in (tree-inline.o): Add debug.h dependency.
13767
13768 2005-01-03 Geoffrey Keating <geoffk@apple.com>
13769
13770 * config/darwin.c (darwin_handle_weak_import_attribute): Permit
13771 VAR_DECLs to have weak_import attribute.
13772
13773 * config/rs6000/darwin-fallback.c: Use 'ucontext_t' rather than
13774 'struct ucontext'.
13775
13776 2004-01-03 Steven Bosscher <stevenb@suse.de>
13777
13778 * passes.c (rest_of_compilation): Don't run regmove if only
13779 flag_expensive_optimizations, require flag_regmove instead.
13780
13781 2005-01-03 Eric Botcazou <ebotcazou@libertysurf.fr>
13782
13783 * config/sparc/litecoff.h (TARGET_OS_CPP_BUILTINS): Do not
13784 register "sparc".
13785 * config/sparc/sysv4-only.h (TARGET_OS_CPP_BUILTINS): Likewise.
13786 * config/sparc/rtemself.h (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
13787 * config/sparc/sol2-64.h (TARGET_SUB_OS_CPP_BUILTINS): Delete.
13788 * config/sparc/sp64-elf.h (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
13789
13790 2005-01-03 Richard Henderson <rth@redhat.com>
13791
13792 * config/ia64/ia64.c (TARGET_VECTOR_MODE_SUPPORTED_P): New.
13793 (ia64_const_ok_for_letter_p): New.
13794 (ia64_const_double_ok_for_letter_p): New.
13795 (ia64_extra_constraint): New.
13796 (ia64_expand_vecint_compare): New.
13797 (ia64_expand_vcondu_v2si): New.
13798 (ia64_expand_vecint_cmov): New.
13799 (ia64_expand_vecint_minmax): New.
13800 (ia64_print_operand): Add 'v'.
13801 (ia64_preferred_reload_class): New.
13802 (ia64_vector_mode_supported_p): New.
13803 * config/ia64/ia64.h (UNITS_PER_SIMD_WORD): New.
13804 (PREFERRED_RELOAD_CLASS): Move to function.
13805 (CONST_OK_FOR_LETTER_P): Move to function.
13806 (CONST_DOUBLE_OK_FOR_LETTER_P): Move to function.
13807 (CONSTRAINT_OK_FOR_Q, CONSTRAINT_OK_FOR_R): Remove.
13808 (CONSTRAINT_OK_FOR_S, CONSTRAINT_OK_FOR_T): Remove.
13809 (EXTRA_CONSTRAINT): Move to function.
13810 * config/ia64/ia64.md: Include vect.md.
13811 (itanium_class): Add mmalua.
13812 (type): Handle it.
13813 * config/ia64/itanium1.md (1_mmalua): New. Add it to bypasses.
13814 (1b_mmalua): New.
13815 * config/ia64/itanium2.md (2_mmalua, 2b_mmalua): Similarly.
13816 * config/ia64/predicates.md (gr_reg_or_0_operand): Accept any
13817 CONST0_RTX.
13818 (const_int_2bit_operand): New.
13819 (fr_reg_or_0_operand): New.
13820 * config/ia64/ia64-modes.def: Add vector modes.
13821 * config/ia64/ia64-protos.h: Update.
13822 * config/ia64/vect.md: New file.
13823
13824 2005-01-03 Richard Henderson <rth@redhat.com>
13825
13826 * simplify-rtx.c (simplify_binary_operation): Handle VEC_CONCAT.
13827
13828 2005-01-03 Uros Bizjak <uros@kss-loka.si>
13829
13830 PR target/19236
13831 * config/i386/i386.c (log1psf2): Change mode of operands[0,1]
13832 to SFmode.
13833 (log1pdf2): Change mode of operands[0,1] to DFmode.
13834
13835 2005-01-03 Eric Botcazou <ebotcazou@libertysurf.fr>
13836
13837 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Define to false.
13838 * config/sparc/linux.h (SPARC_RELAXED_ORDERING): Define to true.
13839 * config/sparc/linux64.h (SPARC_RELAXED_ORDERING): Likewise.
13840 * config/sparc/sparc.c (TARGET_RELAXED_ORDERING): Define to
13841 SPARC_RELAXED_ORDERING.
13842
13843 2005-01-03 Richard Henderson <rth@redhat.com>
13844 Uros Bizjak <uros@kss-loka.si>
13845
13846 PR target/14631
13847 * config/i386/i386.c (ix86_expand_builtin): [IX86_BUILTIN_PINSRW,
13848 IX86_BUILTIN_PINSRW128]: Fix wrong selector range in error message.
13849 * config/i386/i386.md (mmx_pinsrw, sse2_pinsrw): Fix selector
13850 handling.
13851 (*mmx_pinsrw, *sse2_pinsrw): New patterns.
13852 * config/i386/i386/predicates.md (const_pow2_1_to_8_operand,
13853 const_pow2_1_to_128_operand): New predicates.
13854
13855 2005-01-02 Greg McGary <greg@mcgary.org>
13856
13857 * tree-mudflap.c (mf_varname_tree): decl_printable_name handles
13858 anonymous decls.
13859 (mf_xform_derefs_1) [RESULT_DECL, STRING_CST]: Handle as innermost
13860 object. [ptr_type]: Remove unused variable.
13861 Remember nearest addressable array-element or record-component
13862 when checking bitfield components. Tolerate empty BIND_EXPR.
13863
13864 2005-01-01 Richard Henderson <rth@redhat.com>
13865
13866 * tree-vectorizer.c (vect_analyze_offset_expr): Strip conversions
13867 that don't narrow the value. Fail for other conversions.
13868
13869 2005-01-01 Richard Henderson <rth@redhat.com>
13870
13871 PR c/19031
13872 * c-decl.c (pop_file_scope): Call maybe_apply_pending_pragma_weaks.
13873 * c-lang.c (finish_file): Don't do it here.
13874 * objc/objc-act.c (objc_finish_file): Likewise.
13875
13876 * cgraph.c (decl_assembler_name_equal): New.
13877 (cgraph_node_for_asm, cgraph_varpool_node_for_asm): New.
13878 (cgraph_varpool_node): Actually link up cgraph_varpool_nodes.
13879 * cgraph.h (struct cgraph_varpool_node): Add next.
13880 (cgraph_node_for_asm, cgraph_varpool_node_for_asm): Declare.
13881 * varasm.c (assemble_alias): Mark the target as needed.
13882
13883 2005-01-01 Andrew Pinski <pinskia@physics.uc.edu>
13884
13885 PR middle-end/19221
13886 * function.c (get_arg_pointer_save_area): Use entry_of_function
13887 instead of get_insns.
13888
13889 2005-01-01 Roger Sayle <roger@eyesopen.com>
13890 Andrew Pinski <pinskia@physics.uc.edu>
13891 James E. Wilson <wilson@specifixinc.com>
13892
13893 PR rtl-optimization/12092
13894 * loop.c (emit_prefetch_instructions): Do nothing if PREFETCH_BLOCK
13895 is zero.
13896
13897 2005-01-01 Roger Sayle <roger@eyesopen.com>
13898 Olivier Hainque <hainque@act-europe.fr>
13899
13900 * tree.c (int_fits_type_p): A narrower type always fits in a
13901 wider one, except for negative values into unsigned types.
13902
13903 2005-01-01 Roger Sayle <roger@eyesopen.com>
13904
13905 * tree.c (int_fits_type_p): Compare the result of force_fit_type
13906 with the original constant rather than require TREE_OVERFLOW.
13907
13908 2005-01-01 Steven Bosscher <stevenb@suse.de>
13909
13910 PR middle-end/17544
13911 * c-decl.c (finish_function): If compiling C99, annotate the
13912 compiler generated return with the current file name and line 0.
13913 * tree-cfg.c (remove_useless_stmts_warn_notreached): Only warn if
13914 the source line is greater than 0.
13915 (remove_bb): Likewise.