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1 2005-04-18  James A. Morrison  <phython@gcc.gnu.org>
2
3         PR tree-optimization/21085
4         * fold-const (fold_binary): Don't change X % -C to X % C if C has
5         overflowed.
6
7 2005-04-19  Ben Elliston  <bje@au.ibm.com>
8
9         * doc/invoke.texi (Optimize Options): Refer to the correct
10         optimisation flag -ftree-dominator-opts, not -ftree-dom.
11
12 2005-04-18  Christopher Jaillet <christophe.jaillet@wanadoo.fr>
13
14         * config/rs6000/rs6000.c (machopic_output_stub):  Increase
15         alloca argument to be big enough.
16
17 2005-04-18  Alexandre Oliva  <aoliva@redhat.com>
18
19         PR middle-end/21049
20         * tree-cfg.c (dump_function_to_file): Do not crash if cfun or
21         cfun->cfg are NULL.
22
23 2005-04-18  Tom Tromey  <tromey@redhat.com>
24
25         * cgraphunit.c (cgraph_finalize_compilation_unit): Fix a comment
26         typo.
27
28 2005-04-18  Richard Henderson  <rth@redhat.com>
29
30         * config/alpha/alpha.c (alpha_split_atomic_op): New.
31         (alphaev5_insn_pipe): Add LD_L, ST_C, MB types.
32         (alphaev4_insn_pipe): Likewise.  Correct IST and LDSYM pipes.
33         * config/alpha/alpha-protos.h: Update.
34         * config/alpha/alpha.md (UNSPECV_MB, UNSPECV_LL, UNSPECV_SC): New.
35         (UNSPECV_ATOMIC, UNSPECV_CMPXCHG, UNSPECV_XCHG): New.
36         (attr type): Add ld_l, st_c, mb.
37         (andsi_internal, andnotsi3, iorsi_internal, one_cmplsi_internal,
38         iornotsi3, xorsi_internal, xornotsi3): New.
39         * config/alpha/ev4.md (ev4_ld): Add ld_l.
40         (ev4_ist_c, ev4_mb): New.
41         * config/alpha/ev5.md (ev5_st): Add st_c, mb.
42         (ev5_ld_l): New.
43         * config/alpha/ev6.md (ev6_ild): Add ld_l.
44         (ev6_ist): Add st_c.
45         (ev6_mb): New.
46         * config/alpha/sync.md: New file.
47
48 2005-04-18  Richard Henderson  <rth@redhat.com>
49
50         * builtins.c (expand_builtin_sync_operation): Fold nand to and
51         for constants.
52
53         * optabs.c (expand_sync_operation): Fix typo expanding nand to and.
54
55 2005-04-18  Devang Patel  <dpatel@apple.com>
56
57         * config/rs6000/atlivec.md (mulv4si3): New pattern.
58         
59 2005-04-18  James A. Morrison  <phython@gcc.gnu.org>
60
61         PR tree-optimization/20922
62         * fold-const.c (fold_binary): Fold X - c > X and X + c < X to false.
63         Fold X + c >= X and fold X - c <= X to true.
64
65 2005-04-18  James A. Morrison  <phython@gcc.gnu.org>
66
67         * config/ia64/unwind-ia64.c (emergency_reg_state_free): Make an
68         unsigned int.
69         (emergency_labeled_state_free): Likewise.
70
71 2005-04-18  Nick Clifton  <nickc@redhat.com>
72
73         * config/h8300/h8300.md (jump): Remove prescan parameter from
74         calls to final_scan_insn.
75
76         * config/arc/arc.c (arc_output_function_epilogue): Remove prescan
77         parameter from calls to final_scan_insn.
78
79         * config.gcc (m68hc12): Use the m68hc11.opt file for target
80         specific options.
81         (v850e, v850e1): Use the v850.opt file for target specific
82         options.
83
84 2005-04-18  Kazu Hirata  <kazu@cs.umass.edu>
85
86         PR tree-optimization/21001
87         * tree-optimize.c (init_tree_optimization_passes): Move the
88         first pass_forwprop immediately before pass_vrp.
89
90 2005-04-17  Ian Lance Taylor  <ian@airs.com>
91
92         * c-common.def (SIZEOF_EXPR, ARROW_EXPR, ALIGNOF_EXPR): Remove.
93         * c-common.c (c_sizeof_or_alignof_type): Change second parameter
94         from enum tree_code op to bool is_sizeof.
95         * c-common.h (c_sizeof_or_alignof_type): Update declaration.
96         (c_sizeof, c_alignof): Update calls to c_sizeof_or_alignof_type.
97         * c-pretty-print.c (pp_c_postfix_expression): Remove ARROW_EXPR
98         case.
99         (pp_c_unary_expression): Remove SIZEOF_EXPR and ALIGNOF_EXPR
100         cases.
101         (pp_c_expression): Remove ARROW_EXPR, SIZEOF_EXPR, and
102         ALIGNOF_EXPR cases.
103
104 2005-04-17  Ian Lance Taylor  <ian@airs.com>
105
106         * system.h: Poison DONT_ACCESS_GBLS_AFTER_EPILOGUE.
107
108 2005-04-17  Richard Henderson  <rth@redhat.com>
109
110         * config/alpha/alpha.c (va_list_skip_additions): Only define if
111         TARGET_ABI_OSF.
112         (TARGET_STDARG_OPTIMIZE_HOOK): Likewise.
113         (alpha_stdarg_optimize_hook): Likewise.  Allow for one more round
114         of indirection through ssa names while looking for the gpr counter
115         field.
116         (alpha_setup_incoming_varargs) <TARGET_ABI_OSF>: Make use of the
117         saved va_list_gpr_size and va_list_fpr_size.
118
119 2005-04-17  Kazu Hirata  <kazu@cs.umass.edu>
120
121         * tree-vrp.c (compare_values): Check that VAL1 and VAL2 are
122         both pointers or both integers.
123
124         * tree-vrp.c (maybe_add_assert_expr): Don't assert
125         ASSERT_EXPRs for single-use variable.
126
127         * tree-into-ssa.c: Fix a comment typo.
128
129 2005-04-17  Richard Sandiford  <rsandifo@redhat.com>
130
131         * config/mips/iris6.h (DRIVER_SELF_SPECS): Check -march as well as
132         -mipsN before forcing a default of -mips2.
133
134 2005-04-17  Kazu Hirata  <kazu@cs.umass.edu>
135
136         * predict.h (IS_TAKEN): Remove.
137         * rtl.h (NOTE_PREDICTION): Likewise.
138
139         * modulo-sched.c (CFG_HOOKS): Remove.
140
141         * c-parser.c (N_C_TTYPES): Remove.
142
143         * tree-flow-inline.h (get_stmt_operands): Remove.
144         * lambda-code.c, tree-ssa-loop-unswitch.c,
145         tree-ssa-operands.c, tree-ssa-pre.c, tree-ssa-propagate.c,
146         tree-ssa-sink.c, tree-ssa.c, tree-tailcall.c,
147         tree-vect-transform.c, tree-vectorizer.c, tree-vrp.c): Remove
148         calls to get_stmt_operands.
149         * doc/tree-ssa.texi: Don't mention get_stmt_operands.
150
151 2005-04-17  Richard Henderson  <rth@redhat.com>
152
153         PR target/20375
154         * config/alpha/alpha.c (alpha_setup_incoming_varargs): Advance a copy
155         of CUMULATIVE_ARGS past the last named argument.
156         (alpha_va_start): Expect pretend_args_size only if strictly less than
157         6 named arguments.
158
159 2005-04-17  Kazu Hirata  <kazu@cs.umass.edu>
160
161         PR middle-end/21024
162         * builtins.c (expand_builtin_strcat): Convert the result of
163         strlen to the right type.
164         * fold-const.c (fold_binary) <PLUS_EXPR>: Use fold_convert to
165         avoid creating type mismatches.
166         <GE_EXPR>: Pass op0 and op1 to fold_build2 to avoid creating
167         type mismatches.
168
169         * c-lex.c (WCHAR_TYPE_SIZE, WCHAR_BYTES): Remove.
170
171 2005-04-16  Richard Henderson  <rth@redhat.com>
172
173         PR target/21051
174         * builtins.c (expand_builtin) <BUILT_IN_BOOL_COMPARE_AND_SWAP_*>:
175         Use the mode of boolean_type_node when the user doesn't provide one.
176         * config/ia64/sync.md (sync_lock_release<I48MODE>): Use operand 1.
177
178 2005-04-16  Alexandre Oliva  <aoliva@redhat.com>
179
180         PR target/20126
181         * loop.c (loop_givs_rescan): Handle non-replaceable (plus (reg)
182         (const)).
183
184         * tree-scalar-evolution.c (interpret_rhs_modify_expr): Fix typo in
185         comment.
186
187 2005-04-16  Roger Sayle  <roger@eyesopen.com>
188             Steven Bosscher  <stevenb@suse.de>
189
190         * fold-const.c (fold_binary_to_constant): Delete obsolete comment.
191         (fold_unary_to_constant): Likewise.
192
193 2005-04-16  Kazu Hirata  <kazu@cs.umass.edu>
194
195         * basic-block.h: Adjust the value of PROP_SCAN_DEAD_STORES,
196         PROP_ASM_SCAN.
197
198 2005-04-16  Gerald Pfeifer  <gerald@pfeifer.com>
199
200         * doc/install.texi (Specific): Avoid using asterisks in @anchor
201         names related to target triplets.
202         Remove i?86-*-esix from platform directory.
203         Remove powerpc-*-eabiaix from platform directory.
204
205 2005-04-16  Joseph S. Myers  <joseph@codesourcery.com>
206
207         PR middle-end/20491
208         * config/ia64/ia64.c (rtx_needs_barrier): Recurse instead of
209         falling through from SUBREG case to REG.
210
211 2005-04-15  Roger Sayle  <roger@eyesopen.com>
212
213         * fold-const.c (fold_relational_hi_lo): Delete function and prototype.
214         (fold_binary): Update comment mentioning fold_relational_hi_lo.
215         (fold_binary_to_constant): Simplify using fold_binary.
216         (fold_unary_to_constant): Likewise, simplify using fold_unary.
217
218 2005-04-15  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
219
220         * gthr-posix.c (pthread_cancel): Define.
221         (pthread_mutexattr_init): Likewise.
222         (pthread_mutexattr_settype): Likewise.
223         (pthread_mutexattr_destroy): Likewise.
224
225 2005-04-15  David S. Miller  <davem@davemloft.net>
226
227         PR target/20673
228         * config/sparc/sparc.h (sparc_hard_reg_printed): Mark as GTY(()).
229
230 2005-04-15  Kazu Hirata  <kazu@cs.umass.edu>
231
232         PR tree-optimization/21031
233         * tree-ssa-forwprop.c (ssa_name_defined_by_comparison_p): New.
234         (forward_propagate_into_cond_1): Call it.  Forward propagate
235         integer-integer casts into COND_EXPRs.
236
237 2005-04-15  Dave Korn  <dave.korn@artimi.com>
238
239         * gcc.c (default_compilers): Clarify obscure error message when
240         reading from standard input.
241
242 2005-04-15  Kazu Hirata  <kazu@cs.umass.edu>
243
244         * basic-block.h (PROP_EQUAL_NOTES): Remove.
245         * flow.c (propagate_one_insn): Don't use PROP_EQUAL_NOTES.
246
247         * tree-ssa-alias.c (init_alias_info): Remove a call to
248         get_stmt_operands.
249
250 2005-04-15  Andrew MacLeod  <amacleod@redhat.com>
251
252         * tree-vect-analyze.c (vect_stmt_relevant_p): Process immediate uses
253         of non-virtual PHI nodes like we use to.
254
255 2005-05-15  Paolo Bonzini  <bonzini@gnu.org>
256
257         * genattrtab.c (ATTR_EQ_ATTR_P): Remove.
258         (attr_copy_rtx): Do not use it.
259
260 2005-04-15  Andrew Macleod  <amacleod@redhat.com>
261
262         * doc/tree-ssa.texi: Grammer/abbreviation updates.
263
264 2005-04-15  Diego Novillo  <dnovillo@redhat.com>
265
266         * tree-vect-transform.c (vectorizable_store): Mark necessary
267         objects in the vectorized store needing renaming.  Update the
268         SSA graph for V_MAY_DEF operands in the original store.
269
270 2005-04-14  Daniel Berlin <dberlin@dberlin.org>
271
272         * tree-ssa-pre.c (compute_avail): It's okay to have
273         TREE_INVARIANT's here, and value number the resulting expressions.
274         (create_expression_by_pieces): Make sure operands that were
275         min_invariant when we started, stay that way.
276
277 2005-04-15  David Edelsohn  <edelsohn@gnu.org>
278
279         * doc/install.texi (*-ibm-aix*): Add comment about system limits.
280
281 2005-04-15  Kazu Hirata  <kazu@cs.umass.edu>
282
283         PR tree-optimization/20936.
284         * tree-ssa-ccp.c (visit_assignment): Fix a typo.
285
286 2005-04-15  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
287
288         * doc/invoke.texi: Fix typos.
289         * doc/md.texi: Likewise.
290         * doc/rtl.texi: Likewise.
291         * doc/sourcebuild.texi: Likewise.
292         * doc/tm.texi: Likewise.
293
294 2005-04-15  Uros Bizjak  <uros@kss-loka.si>
295
296         PR tree-optimization/21004
297         * convert.c (convert_to_integer): Convert ceilf, ceill, floorf
298         and floorl in c99 mode only.
299         * builtins.c (expand_builtin_int_roundingfn): Assert that
300         fallback_fndecl is not NULL_TREE.
301
302 2005-04-15  Kazu Hirata  <kazu@cs.umass.edu>
303
304         * cfgrtl.c (purge_all_dead_edge): Remove an unused argument.
305         * basic-block.h: Update the prototype for
306         purge_all_dead_edges.
307         * cfgexpand.c (tree_expand_cfg): Update a call to
308         purge_all_dead_edges.
309         * combine.c (combine_instructions): Likewise.
310         * passes.c (rest_of_handle_old_regalloc, rest_of_handle_cse,
311         rest_of_handle_cse2, rest_of_handle_gcse,
312         rest_of_handle_postreload): likewise.
313
314 2005-04-15  Alexandre Oliva  <aoliva@redhat.com>
315
316         PR middle-end/20739
317         * gimplify.c (gimplify_addr_expr): Compensate for removal of
318         e.g. cv-qualification conversions.
319
320 2005-04-14  Mike Stump  <mrs@apple.com>
321
322         * config/darwin-c.c (framework_construct_pathname): We must
323         find all headers of a framework in the first instance of it
324         found in the seach path.
325
326 2005-04-14  Kazu Hirata  <kazu@cs.umass.edu>
327
328         PR tree-optimization/21021
329         * tree-vrp.c (compare_values): Work around a bug in the front
330         end that produces a comparison of mismatched types.
331
332 2004-04-14  Richard Henderson  <rth@redhat.com>
333
334         * config/ia64/ia64.h (enum fetchop_code): Remove.
335         (enum ia64_builtins): Move ...
336         * config/ia64/ia64.c (enum ia64_builtins): ... here.  Remove all
337         members except BSP and FLUSHRS.
338         (ia64_init_builtins): Remove __sync builtins.
339         (ia64_expand_builtin): Likewise.
340         (ia64_expand_fetch_and_op, ia64_expand_op_and_fetch): Remove.
341         (ia64_expand_compare_and_swap, ia64_expand_lock_test_and_set): Remove.
342         (ia64_expand_lock_release): Remove.
343         * config/ia64/ia64.md (mf): Move to sync.md.
344         (mf_internal, fetchadd_acq_si, fetchadd_acq_di, cmpxchg_acq_si,
345         cmpxchg_acq_di, xchgsi, xchgdi): Likewise.
346         * config/ia64/sync.md: New file.
347         (memory_barrier): Rename from mf.
348         (fetchadd_acq_<I48MODE>): Macroize from _si/_di patterns.
349         (cmpxchg_acq_<I48MODE>): Likewise.
350         (sync_lock_test_and_set<I48MODE>): Likewise.
351
352         * config/ia64/ia64intrin.h: Define nothing for C; limit #defines
353         to c++.  Remove __sync* declarations.  s/_si/_4/.  s/_di/_8/.
354
355 2004-04-14  Richard Henderson  <rth@redhat.com>
356
357         * config/i386/i386.c (x86_cmpxchg, x86_xadd): New.
358         (ix86_compare_emitted): New.
359         (ix86_expand_compare): Use ix86_compare_emitted if set.
360         (ix86_expand_setcc): Only emit REG_EQUAL if both ix86_compare_op0
361         and ix86_compare_op0 are set.
362         * config/i386/i386.h (x86_cmpxchg, x86_xadd): Declare.
363         (TARGET_CMPXCHG, TARGET_XADD): New.
364         (ix86_compare_emitted): Declare.
365         * config/i386/i386.md: Include sync.md
366         (UNSPECV_CMPXCHG_1, UNSPECV_CMPXCHG_2): New.
367         (UNSPECV_XCHG, UNSPECV_LOCK): New.
368         * config/i386/sync.md: New file.
369
370 2004-04-14  Richard Henderson  <rth@redhat.com>
371
372         PR middle-end/14311
373         * builtin-types.def (BT_BOOL, BT_VOLATILE_PTR, BT_I1, BT_I2,
374         BT_I4, BT_I8, BT_FN_VOID_VPTR, BT_FN_I1_VPTR_I1, BT_FN_I2_VPTR_I2,
375         BT_FN_I4_VPTR_I4, BT_FN_I8_VPTR_I8, BT_FN_BOOL_VPTR_I1_I1,
376         BT_FN_BOOL_VPTR_I2_I2, BT_FN_BOOL_VPTR_I4_I4, BT_FN_BOOL_VPTR_I8_I8,
377         BT_FN_I1_VPTR_I1_I1, BT_FN_I2_VPTR_I2_I2, BT_FN_I4_VPTR_I4_I4,
378         BT_FN_I8_VPTR_I8_I8): New.
379         * builtins.def (DEF_SYNC_BUILTIN): New.
380         (BUILT_IN_FETCH_AND_ADD_N, BUILT_IN_FETCH_AND_ADD_1,
381         BUILT_IN_FETCH_AND_ADD_2, BUILT_IN_FETCH_AND_ADD_4,
382         BUILT_IN_FETCH_AND_ADD_8, BUILT_IN_FETCH_AND_SUB_N,
383         BUILT_IN_FETCH_AND_SUB_1, BUILT_IN_FETCH_AND_SUB_2,
384         BUILT_IN_FETCH_AND_SUB_4, BUILT_IN_FETCH_AND_SUB_8,
385         BUILT_IN_FETCH_AND_OR_N, BUILT_IN_FETCH_AND_OR_1,
386         BUILT_IN_FETCH_AND_OR_2, BUILT_IN_FETCH_AND_OR_4,
387         BUILT_IN_FETCH_AND_OR_8, BUILT_IN_FETCH_AND_AND_N,
388         BUILT_IN_FETCH_AND_AND_1, BUILT_IN_FETCH_AND_AND_2,
389         BUILT_IN_FETCH_AND_AND_4, BUILT_IN_FETCH_AND_AND_8,
390         BUILT_IN_FETCH_AND_XOR_N, BUILT_IN_FETCH_AND_XOR_1,
391         BUILT_IN_FETCH_AND_XOR_2, BUILT_IN_FETCH_AND_XOR_4,
392         BUILT_IN_FETCH_AND_XOR_8, BUILT_IN_FETCH_AND_NAND_N,
393         BUILT_IN_FETCH_AND_NAND_1, BUILT_IN_FETCH_AND_NAND_2,
394         BUILT_IN_FETCH_AND_NAND_4, BUILT_IN_FETCH_AND_NAND_8,
395         BUILT_IN_ADD_AND_FETCH_N, BUILT_IN_ADD_AND_FETCH_1,
396         BUILT_IN_ADD_AND_FETCH_2, BUILT_IN_ADD_AND_FETCH_4,
397         BUILT_IN_ADD_AND_FETCH_8, BUILT_IN_SUB_AND_FETCH_N,
398         BUILT_IN_SUB_AND_FETCH_1, BUILT_IN_SUB_AND_FETCH_2,
399         BUILT_IN_SUB_AND_FETCH_4, BUILT_IN_SUB_AND_FETCH_8,
400         BUILT_IN_OR_AND_FETCH_N, BUILT_IN_OR_AND_FETCH_1,
401         BUILT_IN_OR_AND_FETCH_2, BUILT_IN_OR_AND_FETCH_4,
402         BUILT_IN_OR_AND_FETCH_8, BUILT_IN_AND_AND_FETCH_N,
403         BUILT_IN_AND_AND_FETCH_1, BUILT_IN_AND_AND_FETCH_2,
404         BUILT_IN_AND_AND_FETCH_4, BUILT_IN_AND_AND_FETCH_8,
405         BUILT_IN_XOR_AND_FETCH_N, BUILT_IN_XOR_AND_FETCH_1,
406         BUILT_IN_XOR_AND_FETCH_2, BUILT_IN_XOR_AND_FETCH_4,
407         BUILT_IN_XOR_AND_FETCH_8, BUILT_IN_NAND_AND_FETCH_N,
408         BUILT_IN_NAND_AND_FETCH_1, BUILT_IN_NAND_AND_FETCH_2,
409         BUILT_IN_NAND_AND_FETCH_4, BUILT_IN_NAND_AND_FETCH_8,
410         BUILT_IN_BOOL_COMPARE_AND_SWAP_N, BUILT_IN_BOOL_COMPARE_AND_SWAP_1,
411         BUILT_IN_BOOL_COMPARE_AND_SWAP_2, BUILT_IN_BOOL_COMPARE_AND_SWAP_4,
412         BUILT_IN_BOOL_COMPARE_AND_SWAP_8, BUILT_IN_VAL_COMPARE_AND_SWAP_N,
413         BUILT_IN_VAL_COMPARE_AND_SWAP_1, BUILT_IN_VAL_COMPARE_AND_SWAP_2,
414         BUILT_IN_VAL_COMPARE_AND_SWAP_4, BUILT_IN_VAL_COMPARE_AND_SWAP_8,
415         BUILT_IN_LOCK_TEST_AND_SET_N, BUILT_IN_LOCK_TEST_AND_SET_1,
416         BUILT_IN_LOCK_TEST_AND_SET_2, BUILT_IN_LOCK_TEST_AND_SET_4,
417         BUILT_IN_LOCK_TEST_AND_SET_8, BUILT_IN_LOCK_RELEASE_N,
418         BUILT_IN_LOCK_RELEASE_1, BUILT_IN_LOCK_RELEASE_2,
419         BUILT_IN_LOCK_RELEASE_4, BUILT_IN_LOCK_RELEASE_8,
420         BUILT_IN_SYNCHRONIZE: New.
421         * builtins.c (called_as_built_in): Rewrite from CALLED_AS_BUILT_IN
422         as a function.  Accept __sync_ as a prefix as well.
423         (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
424         expand_builtin_lock_test_and_set, expand_builtin_synchronize,
425         expand_builtin_lock_release): New.
426         (expand_builtin): Call them.
427         * c-common.c (DEF_BUILTIN): Don't require __builtin_ prefix if
428         neither BOTH_P nor FALLBACK_P are defined.
429         (builtin_type_for_size): New.
430         (sync_resolve_size, sync_resolve_params, sync_resolve_return): New.
431         (resolve_overloaded_builtin): New.
432         * c-common.h (resolve_overloaded_builtin): Declare.
433         (builtin_type_for_size): Declare.
434         * c-typeck.c (build_function_call): Invoke resolve_overloaded_builtin.
435         * expr.c (sync_add_optab, sync_sub_optab, sync_ior_optab,
436         sync_and_optab, sync_xor_optab, sync_nand_optab, sync_old_add_optab,
437         sync_old_sub_optab, sync_old_ior_optab, sync_old_and_optab,
438         sync_old_xor_optab, sync_old_nand_optab, sync_new_add_optab,
439         sync_new_sub_optab, sync_new_ior_optab, sync_new_and_optab,
440         sync_new_xor_optab, sync_new_nand_optab, sync_compare_and_swap,
441         sync_compare_and_swap_cc, sync_lock_test_and_set,
442         sync_lock_release): New.
443         * optabs.h: Declare them.
444         * expr.h (expand_val_compare_and_swap, expand_bool_compare_and_swap,
445         expand_sync_operation, expand_sync_fetch_operation,
446         expand_sync_lock_test_and_set): Declare.
447         * genopinit.c (optabs): Add sync optabs.
448         * optabs.c (init_optabs): Initialize sync optabs.
449         (expand_val_compare_and_swap_1, expand_val_compare_and_swap,
450         expand_bool_compare_and_swap, expand_compare_and_swap_loop,
451         expand_sync_operation, expand_sync_fetch_operation,
452         expand_sync_lock_test_and_set): New.
453         * doc/extend.texi (Atomic Builtins): New section
454         * doc/md.texi (Standard Names): Add sync patterns.
455
456 2005-04-14  Alexandre Oliva  <aoliva@redhat.com>
457
458         * tree-eh.c (lower_try_finally_copy): Generate new code in
459         response to goto_queue entries as if the queue was sorted by
460         index, not pointers.
461         (lower_try_finally_switch): Likewise.
462
463 2005-04-14  Richard Henderson  <rth@redhat.com>
464
465         * config/i386/i386.c (ix86_expand_sse_cmp): Split out from ...
466         (ix86_expand_sse_movcc): ... here.  Take cmp as a pre-computed
467         register.
468         (ix86_expand_fp_movcc): Update to match.
469         (ix86_expand_fp_vcond, ix86_expand_int_vcond): New.
470         * config/i386/i386-protos.h: Update.
471         * config/i386/sse.md (vcondv4sf, vcondv2df): New.
472         (vcond<SSEMODE124>, vcondu<SSEMODE12>): New.
473
474 2005-04-14  Joseph S. Myers  <joseph@codesourcery.com>
475
476         * doc/cpp.texi, doc/install.texi: Change references to GCC 3.5 to
477         refer to 4.0.
478
479 2005-04-14  Julian Brown  <julian@codesourcery.com>
480
481         * Revert elfos.h part of my patch from 2005-04-13 for causing libstdc++
482         link failures on ppc64 Linux.
483
484 2005-04-14  Andreas Krebbel  <krebbel1@de.ibm.com>
485
486         * config.gcc: Set cpu_type for s390.
487
488 2005-04-14  Daniel Berlin  <dberlin@dberlin.org>
489
490         Fix PR tree-optimization/20963
491         * tree-ssa-pre.c (compute_avail): Remove special case for
492         TREE_INVARIANT.
493         (create_expression_by_pieces): Add value numbers for forced out
494         statements.
495
496 2005-04-14  Hans-Peter Nilsson  <hp@axis.com>
497
498         * config/cris/cris.md: Replace references to (reg:SI 16) with
499         (reg:SI CRIS_SRP_REGNUM).
500
501 2005-04-14  Kazu Hirata  <kazu@cs.umass.edu>
502
503         PR tree-optimization/20657
504         * tree-vrp.c (extract_range_from_expr): Notice INTEGER_CST to
505         create an appropriate range from it.
506
507 2005-04-14  Uros Bizjak  <uros@kss-loka.si>
508
509         * reg-stack.c (subst_stack_regs_pat): Handle <UNSPEC_FIST_FLOOR> and
510         <UNSPEC_FIST_CEIL> case.
511
512         * config/i386/i386.md (UNSPEC_FIST_FLOOR, UNSPEC_FIST_CEIL): New.
513         (*fist<mode>2_floor_1, fistdi2_floor, fistdi2_floor_with_temp)
514         (fist<mode>2_floor, fist<mode>2_floor_with_temp): New isns patterns
515         to implement lfloor and llfloor built-ins as x87 intrinsic function.
516         (fistdi2_floor, fist<mode>2_floor splitters): New splitters.
517         (lfloor<mode>2): New expanders.
518         (*fist<mode>2_ceil_1, fistdi2_ceil, fistdi2_ceil_with_temp)
519         (fist<mode>2_ceil, fist<mode>2_ceil_with_temp): New isns patterns
520         to implement lceil and llceil built-ins as x87 intrinsic function.
521         (fistdi2_ceil, fist<mode>2_ceil splitters): New splitters.
522         (lceil<mode>2): New expanders.
523
524 2005-04-14  Uros Bizjak  <uros@kss-loka.si>
525
526         * convert.c (convert_to_integer): Convert (long int)trunc{,f,l},
527         and (long long int)ceil{,f,l} into FIX_TRUNC_EXPR.
528
529 2005-04-14  Ulrich Weigand  <uweigand@de.ibm.com>
530
531         PR target/20927
532         * config/s390/s390-modes.def: Define TFmode.
533
534 2005-04-13  Richard Sandiford  <rsandifo@redhat.com>
535
536         * config/mips/mips.h (ASM_OUTPUT_CASE_LABEL): Delete.
537         (JUMP_TABLES_IN_TEXT_SECTION): Define.
538         * config/mips/mips.c (mips16_insn_length): Remove reference to
539         JUMP_TABLES_IN_TEXT_SECTION.
540
541 2005-04-13 Fariborz Jahanian <fjahanian@apple.com>
542
543         * simplify-rtx.c (simplify_binary_operation_1): Return
544         scalar or vector of constant 0, depending on the xor's
545         mode.
546
547 2005-04-13  Dale Johannesen  <dalej@apple.com>
548
549         * objc/Make-lang.in (objc-lang.o):  Depend on tree-gimple.h.
550         (objc-act.o):  Ditto.
551         * objc/objc-act.c (objc_gimplify_expr):  New.
552         (objc_get_callee_fndecl):  New.
553         * objc/objc-act.h:  Include tree-gimple.h.  Declare new functions.
554         * objc/objc-lang.c (LANG_HOOKS_GIMPLIFY_EXPR):  Define.
555         (LANG_HOOKS_GET_CALLEE_FNDECL):  Define.
556
557 2005-04-13  Devang Patel  <dpatel@apple.com>
558
559         * tree-if-conv.c (tree_if_convert_cond_expr): Do not create extra
560         temp variables.
561
562 2005-04-13  Hans-Peter Nilsson  <hp@axis.com>
563
564         CRIS prologue as RTL.
565         * config/cris/cris-protos.h (cris_emit_movem_store)
566         (cris_expand_prologue): Prototype.
567         * config/cris/cris.c (struct machine_function): New member
568         stdarg_regs.
569         (cfa_label_num, cris_target_asm_function_prologue): Remove.
570         (TARGET_ASM_FUNCTION_PROLOGUE): Don't override.
571         (cris_general_operand_or_gotless_symbol): Accept CRIS_UNSPEC_GOT.
572         (cris_load_multiple_op, cris_return_address_on_stack)
573         (cris_return_address_on_stack_for_return): ISO-Cify.
574         (cris_store_multiple_op): New predicate function.
575         (cris_expand_prologue, cris_emit_movem_store): New functions.
576         (cris_print_operand) <case 'O'>: Handle modifications other than
577         post-increment.
578         (cris_symbol, cris_got_symbol): Return 0 for CRIS_UNSPEC_GOT.
579         (cris_gotless_symbol): Return 1 for CRIS_UNSPEC_GOT.
580         (cris_gen_movem_load): Rearrange slightly to make local variable
581         src a parameter, removing osrc.
582         (cris_setup_incoming_varargs): Set machine_function member
583         stdarg_regs to correspond to the number of registers that need to
584         be saved.
585         * config/cris/cris.h (EXTRA_CONSTRAINT_S): Accept
586         CRIS_UNSPEC_GOT.
587         (PREDICATE_CODES): Add cris_store_multiple_op.  Make
588         cris_general_operand_or_gotless_symbol accept UNSPEC.
589         * config/cris/cris.md (CRIS_UNSPEC_GOT): New constant.
590         ("*movsi_internal") <alternative 8>: Handle CRIS_UNSPEC_GOT.
591         ("*cris_store_multiple"): New pattern.  Tweak common comment above
592         this and "*cris_load_multiple".
593         ("prologue"): New define_expand.
594
595         * config/cris/cris.md ("epilogue"): Conditionalize on
596         TARGET_PROLOGUE_EPILOGUE.
597
598 2005-04-13  Steve Ellcey  <sje@cup.hp.com>
599
600         PR target/20924
601         * config/ia64/ia64.md (divsf3_internal_lat): Generate frcpa with
602         fpsr 0 instead of fpsr 1.
603         (divsf3_internal_thr): Ditto.
604         (divdf3_internal_lat): Ditto.
605         (divdf3_internal_thr): Ditto.
606         (divxf3_internal_lat): Ditto.
607         (divxf3_internal_thr): Ditto.
608
609 2005-04-13  Kazu Hirata  <kazu@cs.umass.edu>
610
611         PR tree-optimization/20913
612         * tree-ssa-copy.c (copy_prop_visit_cond_stmt): Fold COND_EXPR.
613
614         PR tree-optimization/20702
615         * tree-vrp.c (maybe_add_assert_expr): Recurse into
616         dominator children that haven't been walked into.
617
618 2005-04-13  Julian Brown  <julian@codesourcery.com>
619
620         * config/elfos.h (MAKE_DECL_ONE_ONLY): Redefined to stop DECL_WEAK from
621         being used for symbols with vague linkage when HAVE_GAS_COMDAT_GROUP
622         is true.
623
624 2005-04-13  Kazu Hirata  <kazu@cs.umass.edu>
625
626         * basic-block.h, tree-ssa-uncprop.c, varasm.c,
627         config/i386/sse.md: Fix comment typos.
628
629         * genattrtab.c (NULL_ATTR): Remove.
630         * ifcvt.c (NULL_EDGE): Likewise.
631
632         * rtl.h (RTX_EXPR_FIRST, RTX_EXPR_LAST): Remove.
633
634         * rtl.h (NOTE_PREDICTION_ALG, NOTE_PREDICTION_FLAGS,
635         NOTE_PREDICT): Remove.
636
637 2005-04-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
638
639         * configure.ac (gcc_AC_CHECK_DECLS): Add vsnprintf.
640         * configure: Regenerate.
641         * config.in: Likewise.
642         * system.h: Declare vsnprintf if not already declared.
643
644 2005-04-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
645
646         * optc-gen.awk: Handle stand-alone Mask records.
647         * opth-gen.awk: Likewise.
648         * doc/options.texi (Option file format): Document them.
649         * config.gcc (sparc-*-netbsdelf*, sparc-*-linux*, sparc64-*-freebsd*,
650         sparc64-*-linux*, sparc64-*-netbsd*): Add long-double-switch.opt.
651         (sparc64-*-openbsd*, sparc64-*-elf*): Add little-endian.opt.
652         * config/sparc/sparc.h (MASK_FPU, MASK_UNALIGNED_DOUBLES,
653         MASK_V8, MASK_SPARCLITE, MASK_SPARCLET, MASK_V9,
654         MASK_DEPRECATED_V8_INSNS, MASK_IMPURE_TEXT, MASK_APP_REGS,
655         MASK_HARD_QUAD, MASK_LITTLE_ENDIAN, MASK_PTR64, MASK_64BIT,
656         MASK_STACK_BIAS, MASK_FPU_SET, MASK_VIS, MASK_V8PLUS,
657         MASK_FASTER_STRUCTS, MASK_LONG_DOUBLE_128): Delete.
658         (TARGET_FPU, TARGET_UNALIGNED_DOUBLES, TARGET_V8, TARGET_SPARCLITE,
659         TARGET_SPARCLET, TARGET_V9, TARGET_DEPRECATED_V8_INSNS,
660         TARGET_IMPURE_TEXT, TARGET_APP_REGS, MASK_HARD_QUAD,
661         TARGET_LITTLE_ENDIAN, TARGET_PTR64, TARGET_64BIT, MASK_STACK_BIAS,
662         TARGET_FPU_SET, TARGET_VIS, TARGET_V8PLUS, TARGET_FASTER_STRUCTS,
663         TARGET_LONG_DOUBLE_128): Likewise.
664         (TARGET_SWITCHES, SUBTARGET_SWITCHES): Likewise.
665         (TARGET_OPTIONS, SUBTARGET_OPTIONS): Likewise.
666         * config/sparc/freebsd.h (SUBTARGET_SWITCHES): Likewise.
667         * config/sparc/linux.h (SUBTARGET_SWITCHES): Likewise.
668         * config/sparc/linux64.h (SUBTARGET_SWITCHES): Likewise.
669         * config/sparc/netbsd-elf.h (SUBTARGET_SWITCHES): Likewise.
670         * config/sparc/sp64-elf.h (SUBTARGET_SWITCHES): Likewise.
671         * config/sparc/sparc.c (fpu_option_set): New global.
672         (sparc_handle_option): New function.
673         (sparc_override_options): Test fpu_option_set.
674         (TARGET_DEFAULT_TARGET_FLAGS): Set to TARGET_DEFAULT.
675         (TARGET_HANDLE_OPTION): Set to sparc_handle_option.
676         * config/sparc/sparc.opt: New file.
677         * config/sparc/little-endian.opt: Likewise.
678         * config/sparc/long-double-switch.opt: Likewise.
679
680 2005-04-13  Bernd Schmidt  <bernd.schmidt@analog.com>
681
682         * config/bfin/bfin.c (bfin_lib_id_given): New static variable.
683         (bfin_handle_options): Set it if -mshared-library-id= is seen.
684         * config/bfin/bfin.opt (mshared-library-id=): Lose
685         Var(bfin_lib_id_given).
686
687 2005-04-13  Matt Thomas  <matt@3am-software.com>
688
689         * config/rs6000/sysv4.h (NO_IMPLICIT_EXTERN_C): undefine before
690         defining.
691
692 2005-04-13  Kazu Hirata  <kazu@cs.umass.edu>
693
694         * rtl.h (CLEAR_RTX_FLAGS): Remove.
695
696         * cgraphunit.c (INSNS_PER_CALL): Remove.
697
698         * tree-ssa-forwprop.c (vars,
699         record_single_argument_cond_exprs,
700         substitute_single_use_vars): Remove.
701         (forward_propagate_into_cond_1, forward_propagate_into_cond):
702         New.
703         (tree_ssa_forward_propagate_single_use_vars): Call
704         forward_propagate_into_cond for each COND_EXPR.
705
706         * tree-inline.c (INSNS_PER_STMT): Remove.
707
708 2005-04-12  Richard Henderson  <rth@redhat.com>
709
710         * config/i386/i386.c (ix86_prepare_sse_fp_compare_args): Split ...
711         (ix86_expand_sse_fp_minmax): ... from ...
712         (ix86_expand_fp_movcc): ... here.
713         (ix86_expand_sse_movcc): Rewrite from ix86_split_sse_movcc.
714         * config/i386/i386-protos.h: Update.
715         * config/i386/i386.md (UNSPEC_IEEE_MIN, UNSPEC_IEEE_MAX): New.
716         (sse_setccsf, sse_setccdf): Allow before reload.
717         (movsfcc_1_sse_min, movsfcc_1_sse_max, movsfcc_1_sse): Remove.
718         (movdfcc_1_sse_min, movdfcc_1_sse_max, movdfcc_1_sse): Remove.
719         (ieee_sminsf3, ieee_smaxsf3, ieee_smindf3, ieee_smaxdf3): New.
720         * config/i386/sse.md (andsf3, nandsf3, iorsf3, xorsf3): New.
721         (anddf3, nanddf3, iordf3, xordf3): New.
722
723 2005-04-12  Jeff Law  <law@redhat.com>
724
725         * Makefile.in (OBJS-common): Add tree-ssa-uncprop.o.
726         (tree-ssa-uncprop.o): Add dependencies.
727         * tree-cfg.c (remove_useless_stmts_bb, remove_useless_stmts): Remove.
728         * tree-flow.h (remove_useless_stmts): Remove prototype.
729         * tree-outof-ssa.c (rewrite_out_of_ssa): Remove call to
730         remove_useless_stmts.
731         * timevar.def (TV_TREE_SSA_UNCPROP): New timevar.
732         * tree-optimize.c (init_tree_optimization_passes): Add uncprop pass.
733         * tree-pass.h (pass_uncprop): Declare.
734         * tree-ssa-uncprop.c: New file.
735
736 2005-04-12  James E. Wilson  <wilson@specifixinc.com>
737
738         PR target/20670
739         * unwind-ia64.c (uw_intall_context): Add missing load of r27.
740
741 2005-04-12  Caroline Tice  <ctice@apple.com>
742
743         Temporary fix for partitioning problems.
744         * passes.c (rest_of_handle_final): Remove code that
745         frees unlikely_text_section_name,
746         * varasm.c (assemble_start_function): Test for partitioning
747         flag before writing out section labels.
748         (assemble_end_function): Test for partitioning flag before
749         writing out section labels.
750
751 2005-04-12  Steven Bosscher  <stevenb@suse.de>
752             Stuart Hastings <stuart@apple.com>
753             Jan Hubicka  <jh@suse.cz>
754
755         * Makefile.in: Add function.h to BASIC_BLOCK_H.  Remove all
756         references to gt-tree-cfg.h.
757         * basic-block.h (struct basic_block_def): Don't skip rbi
758         for garbage collection.
759         (struct reorder_block_def): Make GTY-able.
760         (struct control_flow_graph): New structure.
761         (n_edges, n_basic_blocks, last_basic_block, basic_block_info,
762         BASIC_BLOCK, EXIT_BLOCK_PTR, ENTRY_BLOCK_PTR): No longer vars,
763         but instead defines to the control_flow_graph for cfun.
764         (label_to_block_map): New define, points to the label map of
765         the control_flow_graph for cfun.
766         (n_edges_for_function, n_basic_blocks_for_function,
767         last_basic_block_for_function, basic_block_info_for_function,
768         EXIT_BLOCK_PTR_FOR_FUNCTION, ENTRY_BLOCK_PTR_FOR_FUNCTION,
769         basic_block_info_for_function, label_to_block_map_for_function):
770         Counterparts for the above, taking a struct function as an extra
771         argument.
772         (alloc_rbi_pool, free_rbi_pool): Remove prototypes.
773         * cfg.c: (n_edges, n_basic_blocks, last_basic_block,
774         basic_block_info, ENTRY_BLOCK_PTR, EXIT_BLOCK_PTR): Remove.
775         (alloc_rbi_pool, free_rbi_pool): Remove.
776         (initialize_bb_rbi): Use ggc_alloc_cleared instead of pool_alloc.
777         * cfglayout.c: (cfg_layout_initialize): Don't allocate the rbi pool
778         here...
779         (cfg_layout_finalize) ... and don't free it here.
780         * cfgrtl.c (cfg_layout_delete_block): Zero out rbi so it gets
781         garbage collected.
782         * flow.c (free_basic_block_vars): Set label_to_block_map and
783         n_edges to zero too.
784         * function.h (struct function): Add cfg field.
785         * function.c (allocate_struct_function): Allocate the cfg.
786         * tree-cfg.c (label_to_block_map): Remove.
787         (build_tree_cfg): Don't allocate the rbi pool here...
788         (delete_tree_cfg_annotations): ...and don't free it here.
789         Also don't nullify label_to_block_map for cfun.
790
791 2005-04-12  Caroline Tice  <ctice@apple.com>
792
793         * bb-reorder.c (find_rarely_executed_basic_blocks_and_crossing_edges):
794         Revert my patch from April 9.
795         (fix_edges_for_rarely_executed_code): Revert my patch from April 9.
796         (reorder_basic_blocks): Revert my patch from April 9.
797         (insert_section_boundary_note): Revert my patch from April 9.
798         * dbxout.c (dbxout_function_end): Revert my patch from April 9.
799         * dwarf2out.c (COLD_TEXT_SECTION_LABEL): Revert my patch from April 9.
800         (COLD_END_LABEL):  Revert my patch from April 9.
801         (cold_text_section_label):  Revert my patch from April 9.
802         (cold_end_label): Revert my patch from April 9.
803         (dwarf2out_switch_text_section): Revert my patch from April 9.
804         (output_aranges): Revert my patch from April 9.
805         (output_ranges):  Revert my patch from April 9.
806         (output_line_info): Revert my patch from April 9.
807         (add_location_or_const_value_attribute):  Revert my patch from April 9.
808         (dwarf2out_var_location): Revert my patch from April 9.
809         (dwarf2out_init):  Revert my patch from April 9.
810         (dwarf2out_finish): Revert my patch from April 9.
811         * function.h (struct function): Revert my patch from April 9.
812         * opts.c (decode_options): Revert my patch from April 9.
813         * output.h (unlikely_section_label, hot_section_label,
814         hot_section_end_label, cold_section_end_label,
815         unlikely_text_section_name): Revert my patch from April 9.
816         * passes.c (rest_of_handle_final): Revert my patch from April 9.
817         * varasm.c (unlikely_section_label, hot_section_label,
818         hot_section_end_label, cold_section_end_label,
819         unlikely_text_section_name): Revert my patch from April 9.
820         (initialize_cold_section_name): Revert my patch from April 9.
821         (unlikely_text_section): Revert my patch from April 9.
822         (in_unlikely_text_section): Revert my patch from April 9.
823         (named_section): Revert my patch from April 9.
824         (function_section): Revert my patch from April 9.
825         (current_function_section): Revert my patch from April 9.
826         (assemble_start_function): Revert my patch from April 9.
827         (assemble_end_function): Revert my patch from April 9.
828         (default_section_type_flags_1): Revert my patch from April 9.
829
830 2005-04-12  Eric Botcazou  <ebotcazou@libertysurf.fr>
831
832         * config/sparc/sparc.h (APPLY_RESULT_SIZE): Set to 24 in 64-bit mode.
833         * config/sparc/sparc.md (untyped_call): Save the registers manually.
834
835         * config/sparc/sparc.c (legitimate_address_p): Use TARGET_ARCH32.
836
837 2005-04-12  Ulrich Weigand  <uweigand@de.ibm.com>
838
839         PR middle-end/20917
840         * config/s390/s390.md ("*set_tp"): Use SET in pattern.
841         ("set_tp_64", "set_tp_31"): Adapt expanded pattern.
842
843 2004-04-12  Richard Henderson  <rth@redhat.com>
844
845         * config/i386/i386.md (UNSPEC_FIX, UNSPEC_MOVA, UNSPEC_SHUFFLE,
846         UNSPEC_PSHUFLW, UNSPEC_PSHUFHW, UNSPEC_ADDSUB, UNSPEC_HADD,
847         UNSPEC_HSUB, UNSPEC_MOVSHDUP, UNSPEC_MOVSLDUP, UNSPEC_MOVDDUP): Remove.
848         (UNSPEC_*, UNSPECV_*): Renumber.
849
850 2005-04-12  Frank Ch. Eigler  <fche@redhat.com>
851
852         PR mudflap/19266
853         From Richard Henderson <rth@redhat.com>:
854         * tree-mudflap.c (mf_build_check_statement_for): Correct block
855         splitting logic.
856
857 2005-04-12  Dorit Naishlos  <dorit@il.ibm.com>
858
859         * tree-cfg.c (tree_verify_flow_info): Use LABEL_EXPR_LABEL.
860
861 2005-04-12  Bernd Schmidt  <bernd.schmidt@analog.com>
862
863         * config/bfin/bfin.c (bfin_library_id_string): Remove.
864         (bfin_library_id): New variable.
865         (bfin_expand_prologue): Use bfin_library_id and bfin_lib_id_given
866         instead of bfin_library_id_string.
867         (bfin_handle_option): New function.
868         (override_options): Remove most code to deal with shared library IDs,
869         just check they aren't used without -mid-shared-library.
870         (TARGET_HANDLE_OPTION): Define.
871         * config/bfin/bfin.h (TARGET_OPTIONS): Delete macro.
872         * config/bfin/bfin.opt (mshared-library-id=): New.
873
874 2005-04-12  Kazu Hirata  <kazu@cs.umass.edu>
875
876         * tree-vect-transform.c: Fix comment typos.
877
878 2005-04-12 Mostafa Hagog <mustafa@il.ibm.com>
879
880         * postreload-gcse.c (eliminate_partially_redundant_load): Don't
881         split critical edges when not possible/profitable.
882
883 2005-04-12  Richard Sandiford  <rsandifo@redhat.com>
884
885         * config/ns32k/ns32k.h (target_flags, MASK_32081, MASK_RTD)
886         (MASK_REGPARM, MASK_32532, MASK_32332, MASK_NO_SB, MASK_NO_BITFIELD)
887         (MASK_HIMEM, MASK_32381, MASK_MULT_ADD, MASK_SRC, MASK_IEEE_COMPARE)
888         (TARGET_32081, TARGET_32381, TARGET_MULT_ADD, TARGET_RTD)
889         (TARGET_REGPARM, TARGET_32532, TARGET_32332, TARGET_SB, TARGET_HIMEM)
890         (TARGET_BITFIELD, TARGET_IEEE_COMPARE, TARGET_SWITCHES): Delete.
891         (OVERRIDE_OPTIONS): Clear MASK_SB instead of setting MASK_NO_SB.
892         * config/ns32k/netbsd.h (TARGET_DEFAULT): Remove MASK_NO_SB and
893         MASK_NO_BITFIELD.
894         * config/ns32k/ns32k.c (ns32k_handle_option): New function.
895         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
896         * config/ns32k/ns32k.opt: New file.
897
898 2005-04-12  Richard Sandiford  <rsandifo@redhat.com>
899
900         * config.gcc (m68k-*-linux*): Add m68k/ieee.opt to $extra_options.
901         * config/m68k/m68k.h (target_flags, MASK_68020, TARGET_68020)
902         (MASK_68030, TARGET_68030, MASK_68040, TARGET_68040, MASK_68040_ONLY)
903         (TARGET_68040_ONLY, MASK_68060, TARGET_68060, MASK_5200, TARGET_5200)
904         (MASK_CFV3, TARGET_CFV3, MASK_CFV4, TARGET_CFV4, MASK_528x)
905         (TARGET_528x, MASK_CF_HWDIV, TARGET_CF_HWDIV, MASK_68881, TARGET_68881)
906         (MASK_BITFIELD, TARGET_BITFIELD, MASK_SHORT, TARGET_SHORT)
907         (MASK_ALIGN_INT, TARGET_ALIGN_INT, MASK_PCREL, TARGET_PCREL)
908         (MASK_NO_STRICT_ALIGNMENT, TARGET_STRICT_ALIGNMENT, MASK_RTD)
909         (TARGET_RTD, MASK_SEP_DATA, TARGET_SEP_DATA, MASK_ID_SHARED_LIBRARY)
910         (TARGET_ID_SHARED_LIBRARY, MASK_ALL_CF_BITS, TARGET_SWITCHES)
911         (TARGET_OPTIONS, SUBTARGET_SWITCHES, SUBTARGET_OPTIONS): Delete.
912         (MASK_COLDFIRE): Formatting fixes.
913         (TARGET_COLDFIRE): Turn into a boolean value for consistency.
914         * config/m68k/linux.h (SUBTARGET_SWITCHES): Delete.
915         * config/m68k/m68k.c (m68k_library_id_string): Initialize to
916         "_current_shared_library_a5_offset_".
917         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
918         (MASK_ALL_CPU_BITS): New macro.
919         (m68k_handle_option): New function.
920         (override_options): Remove handling of m68k_library_id_string.
921         * config/m68k/m68k.opt: New file.
922         * config/m68k/ieee.opt: New file.
923
924 2005-04-11  Mark Mitchell  <mark@codesourcery.com>
925
926         * target-def.h (TARGET_CXX_EXPORT_CLASS_DATA): Remove.
927         (TARGET_CXX_DETERMINE_CLASS_VISIBILITY): New macro.
928         (TARGET_CXX_CLASS_DATA_ALWAYS_COMDAT): Likewise.
929         (TARGET_CXX): Adjust accordingly.
930         * target.h (struct gcc_target): Remove epxort_class_data.  Add
931         determine_class_data_visibility and class_data_always_comdat.
932         * doc/tm.texi (TARGET_CXX_EXPORT_CLASS_DATA): Remove.
933         (TARGET_CXX_DETERMINE_CLASS_DATA_VISIBILITY): Document.
934         (TARGET_CXX_CLASS_DATA_ALWAYS_COMDAT): Likewise.
935         * config/arm/arm.c (arm_cxx_export_class_data): Remove.
936         (arm_cxx_determine_class_data_visibility): New.
937         (arm_cxx_class_data_always_comdat): Likewise.
938         (TARGET_CXX_EXPORT_CLASS_DATA): Remove.
939         (TARGET_CXX_DETERMINE_CLASS_DATA_VISIBILITY): Define.
940         (TARGET_CXX_CLASS_DATA_ALWAYS_COMDAT): Likewise.
941         * config/arm/arm.h (TARGET_ARM_DYNAMIC_VAGUE_LINKAGE_P): Define.
942         * config/arm/symbian.h (TARGET_ARM_DYNAMIC_VAGUE_LINKAGE_P):
943         Define.
944
945 2005-04-11  Devang Patel  <dpatel@apple.com>
946
947         * tree-data-ref.c (build_classic_dist_vector,
948         compute_subscript_distance): Make externally visible.
949         * tree-data-ref.h (build_classic_dist_vector,
950         compute_subscript_distance): Same.
951         * tree-vect-analyze.c (vect_analyze_data_ref_dependence):
952         Check distance vector against vectorization factor.
953         (vect_analyze_loop): Determine vectorizaion factor before
954         analyzing data dependences.
955         * tree-vectorizer.c (loops_num): Make it externally visible and
956         rename ...
957         * tree-vectorizer.c (vect_loops_num): ... new name.
958         * tree-vectorizer.h  (vect_loops_num): New.
959
960 2005-04-11  Devang Patel  <dpatel@apple.com>
961
962         * tree-vect-analyze.c (vect_analyze_operations): Check
963         vectorizable codition.
964         * tree-vect-transform.c (vect_is_simple_cond): New function.
965         (vectorizable_condition): New function.
966         (vect_transform_stmt): Handle condition_vec_info_type.
967         * tree-vectorizer.h (enum stmt_vec_info_type): Add
968         condition_vec_info_type.
969         (vectorizable_condition): New.
970
971 2005-04-11  Geoffrey Keating  <geoffk@apple.com>
972
973         * config/i386/i386.h (TARGET_FPMATH_DEFAULT): New.
974         * config/i386/darwin.h (TARGET_FPMATH_DEFAULT): New.
975         * config/i386/i386.c (override_options): Use TARGET_FPMATH_DEFAULT.
976
977         * config/i386/darwin.h (ASM_SPEC): Use -arch i386 not -arch i686.
978         (SUBTARGET_EXTRA_SPECS): Always 'i386'.
979
980         * dwarf2out.c (output_line_info): Don't try to dereference
981         a NULL current_function_decl.
982
983         * config/t-slibgcc-darwin: Don't put shared libraries in
984         directories other than $(slibdir).
985         * config/rs6000/darwin.h: Find -m64 libgcc under the name the
986         OS uses for it.
987
988 2005-04-11  Diego Novillo  <dnovillo@redhat.com>
989
990         PR tree-optimization/20933
991         * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Move
992         logic to reject aliases between read-only and writable
993         variables ...
994         (may_alias_p): ... here.
995         (get_tmt_for): Do not associate read-only tags to pointers
996         whose pointed-to type is not read-only.
997         * tree-ssa.c (verify_ssa): Check that memory stores have at
998         least one V_MAY_DEF or V_MUST_DEF.
999
1000 2005-04-11  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1001
1002         PR/17092
1003         * configure.ac (gcc_UNLOCKED_FUNCS): New.
1004         (AC_CHECK_FUNCS, AC_CHECK_DECLS): Check for gcc_UNLOCKED_FUNCS.
1005         * system.h (putchar, getc, getchar, clearerr, feof, fileno,
1006         fflush, fgetc, fgets, ferror, fread): Redefine to the associated
1007         _unlocked function.
1008         (fwrite_unlocked): Fix prototype.
1009
1010         * configure, config.in: Regenerate.
1011
1012 2005-04-11  David Edelsohn  <edelsohn@gnu.org>
1013
1014         * tree-ssa-loop-im.c: Include real.h.
1015         (determine_invariantness_stmt): If real division divisor is
1016         invariant and flag_unsafe_math_optimizations enabled, generate
1017         invariant reciprocal for hoisting.
1018         * Makefile.in (tree-ssa-loop-im.o): Add real.h dependency.
1019
1020 2005-04-11  Daniel Berlin  <dberlin@dberlin.org>
1021
1022         Fix PR tree-optimization/20926
1023
1024         * tree-ssa-alias.c (add_type_alias): Handle subvars.
1025
1026 2005-04-11  Devang Patel  <dpatel@apple.com>
1027
1028         * config/rs6000.c (rs6000_emit_vector_select): Fix vector select
1029         operand ordering.
1030
1031 2005-04-11  Andrew Pinski  <pinskia@physics.uc.edu>
1032
1033         * fold-const.c (fold_binary_op_with_conditional_arg):
1034         use fold_buildN instead of "fold (buildN" in some
1035         non obvious places.
1036         (fold_unary): Likewise.
1037         (fold_binary): Likewise.
1038
1039 2005-04-11  Daniel Berlin  <dberlin@dberlin.org>
1040
1041         Fix PR tree-optimization/20612
1042         * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Fix increment
1043         handling
1044         (perfect_nestify): preheaderbb is *not* part of loop of the
1045         old destination.
1046
1047 2005-04-11  Andrew Pinski  <pinskia@physics.uc.edu>
1048
1049         * tree-ssa-alias.c (may_alias_p): If the variable
1050         is a global variable and the pointer is parameter
1051         and -fargument-noalias-global is used, then
1052         the pointer cannot alias the variable.
1053
1054 2005-04-11  James A. Morrison  <phython@gcc.gnu.org>
1055
1056         * config/sparc/sparc.c: Use gcc_assert and gcc_unreachable.
1057         * config/sparc/sparc.h: Likewise.
1058         * config/sparc/sparc.md: Likewise.
1059
1060 2005-04-11  Kazu Hirata  <kazu@cs.umass.edu>
1061
1062         * tree-vrp.c (maybe_add_assert_expr): Move a comment.
1063
1064         * tree-vrp.c: Fix a comment typo.
1065
1066 2005-04-11  Diego Novillo  <dnovillo@redhat.com>
1067
1068         PR tree-optimization/20920
1069         * tree-pretty-print.c (dump_generic_node): Show '(ab)' if an
1070         SSA_NAME flows through an abnormal edge.
1071         * tree-vrp.c (infer_value_range): Ignore SSA names that flow
1072         through abnormal edges.
1073         (maybe_add_assert_expr): Likewise.
1074
1075 2005-04-11  Richard Sandiford  <rsandifo@redhat.com>
1076
1077         * config/s390/s390.h (s390_tune_string, s390_arch_string)
1078         (s390_warn_framesize_string, s390_warn_dynamicstack_string)
1079         (s390_stack_size_string, s390_stack_guard_string, target_flags)
1080         (MASK_HARD_FLOAT, MASK_SMALL_EXEC, MASK_DEBUG_ARG, MASK_64BIT)
1081         (MASK_ZARCH, MASK_MVCLE, MASK_TPF_PROFILING, MASK_NO_FUSED_MADD)
1082         (MASK_BACKCHAIN, MASK_PACKED_STACK, TARGET_HARD_FLOAT)
1083         (TARGET_SOFT_FLOAT, TARGET_SMALL_EXEC, TARGET_DEBUG_ARG)
1084         (TARGET_64BIT, TARGET_ZARCH, TARGET_MVCLE, TARGET_TPF_PROFILING)
1085         (TARGET_NO_FUSED_MADD, TARGET_FUSED_MADD, TARGET_BACKCHAIN)
1086         (TARGET_PACKED_STACK, TARGET_SWITCHES, TARGET_OPTIONS): Delete.
1087         * config/s390/s390.c (TARGET_DEFAULT_TARGET_FLAGS): Override default.
1088         (TARGET_HANDLE_OPTION): Likewise.
1089         (s390_tune): Initialize to PROCESSOR_max.
1090         (s390_arch_string): Make static.
1091         (s390_tune_string, s390_warn_framesize_string): Delete.
1092         (s390_warn_dynamicstack_string, s390_stack_size_string): Delete.
1093         (s390_stack_guard_string, s390_warn_dynamicstack_p): Delete.
1094         (s390_handle_arch_option, s390_handle_option): New functions.
1095         (override_options): Remove parsing of option strings.
1096         * config/s390/s390.opt: New file.
1097
1098 2005-04-11  Paolo Bonzini  <bonzini@gnu.org>
1099
1100         * tree-complex.c (expand_vector_operations): Call
1101         update_stmt_if_modified.
1102
1103 2005-04-11  Paolo Bonzini  <bonzini@gnu.org>
1104
1105         * tree-vect-analyze (vect_determine_vectorization_factor):
1106         Do not use GET_MODE_NUNITS.
1107         * tree-vect-transform.c (vect_get_vec_def_for_operand,
1108         (vectorizable_load, vect_transform_loop): Likewise.
1109
1110 2005-04-11  Uros Bizjak  <uros@kss-loka.si>
1111
1112         * builtins.def (BUILT_IN_LCEIL, BUILT_IN_LCEILF, BUILT_IN_LCEILL)
1113         (BUILT_IN_LLCEIL, BUILT_IN_LLCEILF, BUILT_IN_LLCEILL): New.
1114         * optabs.h (enum optab_index): Add new OTI_lceil.
1115         (lceil_optab): Define corresponding macro.
1116         * optabs.c (init_optabs): Initialize lceil_optab.
1117         * genopinit.c (optabs): Implement lceil_optab using lceilsi2
1118         and lceildi2 patterns.
1119         * builtins.c (expand_builtin_int_roundingfn): Handle
1120         BUILT_IN_LCEIL{,F,L} and BUILT_IN_LLCEIL{,F,L}.
1121         (fold_builtin_int_roundingfn): Handle BUILT_IN_LCEIL{,F,L} and
1122         BUILT_IN_LLCEIL{,F,L}.
1123         (fold_builtin_1): Fold BUILT_IN_LCEIL{,F,L} and
1124         BUILT_IN_LLCEIL{,F,L} using fold_builtin_int_roundingfn.
1125         (mathfn_built_in): Handle BUILT_IN LCEIL and BUILT_IN_LLCEIL.
1126         (expand_builtin): Expand BUILT_IN_LCEIL{,F,L} and
1127         BUILT_IN_LLCEIL{,F,L} using expand_builtin_int_roundingfn.
1128         * convert.c (convert_to_integer): Convert (long int)ceil{,f,l},
1129         into lceil built-in function and (long long int)ceil{,f,l} into
1130         llceil built-in function.
1131         * fold-const.c (tree_expr_nonnegative_p): Add BUILT_IN_LCEIL and
1132         BUILT_IN_LLCEIL.
1133
1134 2005-04-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1135
1136         * pa/quadlib.c (_U_Qfneg): Toggle sign bit instead of subtracting from
1137         zero.
1138
1139 2005-04-10  Kazu Hirata  <kazu@cs.umass.edu>
1140
1141         * config/arm/arm.c: Fix a comment typo.
1142         * doc/tree-ssa.texi: Fix a typo.
1143
1144 2005-04-10  Steven Bosscher  <stevenb@suse.de>
1145
1146         * cselib.c (clear_table): Rename to cselib_clear_table.
1147         * cselib.h (cselib_clear_table): Add prototype.
1148         * gcse.c (gcse_main): Make 'f' argument unused.
1149         (alloc_gcse_mem): Do not walk the insn chain, walk the contents
1150         of each basic block instead.
1151         (compute_sets, compute_hash_table_work): Likewise.
1152         (constprop_register): Change int 'alter_jumps' argument to bool.
1153         (do_local_cprop): Likewise.
1154         (local_cprop_pass): Likewise.  Also walk basic blocks instead of
1155         the insn chain.  Explicitly clear the cselib tables after finishing
1156         one basic block.  Make sure there are no unterminated libcall blocks.
1157         Update compute_sets call.
1158         (cprop): Walk basic blocks instead of the insn chain.
1159         (one_cprop_pass, compute_ld_motion_mems, compute_store_table):
1160         Likewise.
1161         (bypass_jumps): Update alloc_gcse_mem, compute_sets, and
1162         one_cprop_pass calls.
1163
1164 2005-04-10  Richard Sandiford  <rsandifo@redhat.com>
1165
1166         * combine.c (combine_simplify_rtx): Remove a transformation that
1167         relies on an invalid assumption about rtl sign-extension semantics.
1168
1169 2005-04-10  Richard Sandiford  <rsandifo@redhat.com>
1170
1171         * value-prof.c (tree_divmod_fixed_value_transform): Fix arguments
1172         to build_int_cst_wide.
1173
1174 2005-04-09  Alexandre Oliva  <aoliva@redhat.com>
1175
1176         PR target/20126
1177         * loop.c (loop_givs_rescan): If replacement of DEST_ADDR failed,
1178         set the original address pseudo to the correct value before the
1179         original insn, if possible, and leave the insn alone, otherwise
1180         create a new pseudo, set it and replace it in the insn.
1181         * recog.c (validate_change_maybe_volatile): New.
1182         * recog.h (validate_change_maybe_volatile): Declare.
1183
1184 2005-04-09  Caroline Tice  <ctice@apple.com>
1185
1186         * bb-reorder.c (find_rarely_executed_basic_blocks_and_crossing_edges):
1187         Remove targetm.have_named_sections test.
1188         (fix_edges_for_rarely_executed_code): Likewise.
1189         (insert_section_boundary_note): Likewise.
1190         (reorder_basic_blocks): Check partitioning flag before calling
1191         verify_hot_cold_block_grouping.
1192         * dbxout.c (dbxout_function_end): Get hot/cold section labels from
1193         the function struct rather than global variables.
1194         * dwarf2out.c (COLD_TEXT_SECTION_LABEL): New macro.
1195         (COLD_END_LABEL): Likewise
1196         (cold_text_section_label): New static global variable.
1197         (cold_end_label): Likewise.
1198         (dwarf2out_switch_text_section): Get hot/cold section labels from
1199         the function struct rather than global variables.
1200         (output_aranges): Use cold_text_section_label and cold_end_label;
1201         check partitioning flag before putting out delta.
1202         (output_ranges): Remove incorrect code attempting to use
1203         hot/cold labels.
1204         (output_line_info): Get cold section label from function struct.
1205         (add_location_or_const_value_attribute): Likewise.
1206         (get_subprogram_die): Get hot/cold section labels from function struct.
1207         (dwarf2out_var_location): Likewise.
1208         (dwarf2out_init): Generate cold_text_section_label and cold_end_label;
1209         write out cold_text_section_label if partition flag is set.
1210         (dwarf2out_finish): Write out cold_end_label if partition flag is set;
1211         * function.h (struct function): Add new fields to point to hot/cold
1212         section labels: hot_section_label, cold_section_label,
1213         hot_section_end_label and cold_section_end_label; also add new field
1214         for cold text section name, unlikely_text_section_name.
1215         * opts.c (decode_options): Turn off partitioning flag if
1216         !targetm.have_named_sections.
1217         * output.h (hot_section_label): Remove.
1218         (hot_section_end_label): Remove.
1219         (cold_section_end_label): Remove.
1220         (unlikely_section_label): Remove.
1221         (unlikely_text_section_name): Remove.
1222         * passes.c (rest_of_handle_final):  Remove code that frees
1223         unlikely_text_section_name.
1224         * varasm.c (unlikely_section_label): Remove.
1225         (hot_section_label): Remove.
1226         (hot_section_end_label): Remove.
1227         (cold_section_end_label): Remove.
1228         (unlikely_text_section_name):  Remove.
1229         (initialize_cold_section_name): Modify to call
1230         targetm.strip_name_encoding; to store cold section name in current
1231         function struct, if it exists; and to only use the decl_section_name
1232         if flag_named_sections is true.
1233         (unlikely_text_section): Modify to get section name out of current
1234         function struct, if there is one; otherwise build it from
1235         UNLIKELY_EXECUTED_TEXT_SECTION_NAME.
1236         (in_unlikely_text_section): Likewise.
1237         (named_section): Modify to get/put cold section name in current function
1238         struct, if there is one.
1239         (function_section):  Change 'bool unlikely' to 'int reloc'; check
1240         targetm.have_named_sections before calling named_section.
1241         (current_function_section): Likewise.
1242         (assemble_start_function): Modify to get/put unlikely_text_section_name
1243         in current function struct; modify to get hot/cold section labels
1244         from function struct; initialize labels using
1245         ASM_GENERATE_INTERNAL_LABEL;
1246         test partitioning flag before writing out hot section label.
1247         (assemble_end_function): Test partitioning flag before writing out
1248         hot/cold section labels.
1249         (default_section_type_flags_1):  Modify to use array instead of
1250          char* for unlikely_text_section_name; set flags correctly for
1251          cold text section if there is not a current function decl.
1252
1253 2005-04-09  Jakub Jelinek  <jakub@redhat.com>
1254
1255         * tree.h (enum tree_index): Add TI_VA_LIST_GPR_COUNTER_FIELD
1256         and TI_VA_LIST_FPR_COUNTER_FIELD.
1257         (va_list_gpr_counter_field, va_list_fpr_counter_field): Define.
1258         * tree-pass.h (pass_stdarg): Add.
1259         * tree-optimize.c (init_tree_optimization_passes): Add pass_stdarg.
1260         * tree-stdarg.c: New file.
1261         * tree-stdarg.h: New file.
1262         * Makefile.in (OBJS-common): Add tree-stdarg.o.
1263         (tree-stdarg.o): Add dependencies.
1264         * function.h (struct function): Add va_list_gpr_size and
1265         va_list_fpr_size fields.
1266         * function.c (allocate_struct_function): Initialize them.
1267         * target.h (struct gcc_target): Add stdarg_optimize_hook.
1268         * target-def.h (TARGET_STDARG_OPTIMIZE_HOOK): Define.
1269         (TARGET_INITIALIZER): Add it.
1270
1271         * config/i386/i386.c (ix86_build_builtin_va_list): Initialize
1272         va_list_{g,f}pr_counter_field.
1273         (ix86_setup_incoming_varargs): Don't do anything if reg_save
1274         area will not be used.  Only save registers that tree-stdarg.c
1275         detected they need saving.
1276         (ix86_va_start): Don't set up fields that won't be used.
1277
1278         * config/rs6000/rs6000.c (rs6000_build_builtin_va_list): Initialize
1279         va_list_{g,f}pr_counter_field.
1280         (setup_incoming_varargs): Don't do anything if reg_save
1281         area will not be used.  Only save registers that tree-stdarg.c
1282         detected they need saving.
1283         (rs6000_va_start): Don't set up fields that won't be used.
1284
1285         * config/alpha/alpha.c: Include tree-flow.h and tree-stdarg.h.
1286         (alpha_build_builtin_va_list): Initialize va_list_gpr_counter_field.
1287         (va_list_skip_additions, alpha_stdarg_optimize_hook): New functions.
1288         (TARGET_STDARG_OPTIMIZE_HOOK): Define.
1289
1290 2005-04-09  Jakub Jelinek  <jakub@redhat.com>
1291
1292         PR target/20795
1293         * config/i386/i386.c (construct_container): Pass empty aligned
1294         struct, union or class in memory.
1295
1296 2005-04-09  Kazu Hirata  <kazu@cs.umass.edu>
1297
1298         * dominance.c, gthr-win32.h, reg-stack.c, tree-ssa-copy.c,
1299         tree-ssa-operands.c, tree-ssa.c, tree-vrp.c, varasm.c,
1300         config/alpha/alpha.c, config/arm/arm.c, config/m32r/m32r.h,
1301         config/rs6000/predicates.md: Fix comment typos.
1302
1303         * sched-int.h (haifa_insn_data): Remove blockage and units.
1304         (INSN_UNIT, INSN_BLOCKAGE, UNIT_BITS, BLOCKAGE_MASK,
1305         ENCODE_BLOCKAGE, UNIT_BLOCKED, BLOCKAGE_RANGE,
1306         MIN_BLOCKAGE_COST, MAX_BLOCKAGE_COST): Remove.
1307
1308 2005-04-09  Jan Hubicka  <jh@suse.cz>
1309             Steven Bosscher  <stevenb@suse.de>
1310
1311         * cfglayout.c (copy_bbs): Rename n_edges to num_edges.
1312         * cfgloop.c (get_loop_exit_edges): Likewise.
1313         * cfgloopmanip.c (fix_irreducible_loops): Likewise.
1314         (unloop): Likewise.
1315         * loop-unroll.c (analyze_insns_in_loop): Likewise.
1316         * tree-cfg.c (dump_cfg_status): Likewise.
1317
1318 2005-04-09  David Edelsohn  <edelsohn@gnu.org>
1319
1320         * config/rs6000/predicates.md (altivec_register_operand): Remove
1321         redundant match_code test.
1322         (gpc_reg_operand): Same.
1323         (cc_reg_operand): Same.
1324         (cc_reg_not_cr0_operand): Same.
1325
1326 2005-04-09  Jan Hubicka  <jh@suse.cz>
1327
1328         Forgotten hunk from my last merge patch:
1329         * final.c (output_addr_const): Do not call mark_referenced.
1330
1331 2005-04-09  Andrew MacLeod  <amacleod@redhat.com>
1332
1333         * doc/tree-ssa.texi: Add immediate use documentation.
1334
1335 2005-04-09  Richard Earnshaw <richard.earnshaw@arm.com>
1336
1337         * arm.c (FL_WBUF): Define.
1338         (arm_tune_strongarm): Renamed from arm_is_strong.  All uses changed.
1339         (arm_is_6_or_7): Delete.
1340         (arm_tune_wbuf): New.
1341         (arm_override_options): Set arm_tune_wbuf.
1342         * arm.h (arm_tune_strongarm): Renamed from arm_is_strong.
1343         (arm_is_6_or_7): Delete declaration.
1344         (arm_tune_wbuf): New declartion.
1345         * arm.md (is_strongarm): Derive from arm_tune_strongarm.
1346         (model_wbuf): Derive from arm_tune_wbuf.
1347         * arm-cores.def (arm600, arm610, arm620, arm700, arm700i, arm710)
1348         (arm720, arm710c, arm7100, arm7500, arm7500fe, arm710t, arm720t)
1349         (arm740t): Mark CPUs as having a write buffer.
1350
1351 2005-04-09  Uros Bizjak  <uros@kss-loka.si>
1352
1353         * config/i386/i386.md (*fp_jcc_7_387): Use 'const0_operand' instead
1354         of 'const_double_operand' in operand 2 constraints.  Update enable
1355         condition.
1356
1357 2005-04-09  Uros Bizjak  <uros@kss-loka.si>
1358
1359         * builtins.def (BUILT_IN_LFLOOR, BUILT_IN_LFLOORF, BUILT_IN_LFLOORL)
1360         (BUILT_IN_LLFLOOR, BUILT_IN_LLFLOORF, BUILT_IN_LLFLOORL): New.
1361         * optabs.h (enum optab_index): Add new OTI_lfloor.
1362         (lfloor_optab): Define corresponding macro.
1363         * optabs.c (init_optabs): Initialize lfloor_optab.
1364         * genopinit.c (optabs): Implement lfloor_optab using lfloorsi2
1365         and lfloordi2 patterns.
1366         * builtins.c (expand_builtin_int_roundingfn): New prototype.
1367         (expand_builtin_int_roundingfn): New function.
1368         (fold_builtin_int_roundingfn): New prototype.
1369         (fold_builtin_int_roundingfn): New function, renamed from
1370         fold_builtin_lround.
1371         Handle BUILT_IN_LROUND{,F,L}, BUILT_IN_LLROUND{,F,L} and
1372         BUILT_IN_LFLOOR{,F,L}, BUILT_IN_LLFLOOR{,F,L}.
1373         (fold_builtin_1): Fold BUILT_IN_LFLOOR{,F,L} and
1374         BUILT_IN_LLFLOOR{,F,L} using fold_builtin_int_roundingfn.
1375         (mathfn_built_in): Handle BUILT_IN LFLOOR and BUILT_IN_LLFLOOR.
1376         (expand_builtin): Expand BUILT_IN_LFLOOR{,F,L} and
1377         BUILT_IN_LLFLOOR{,F,L} using expand_builtin_int_roundingfn.
1378         * convert.c (convert_to_integer): Convert (long int)floor{,f,l},
1379         into lfloor built-in function and (long long int)floor{,f,l} into
1380         llfloor built-in function.
1381         * fold-const.c (tree_expr_nonnegative_p): Add BUILT_IN_LFLOOR and
1382         BUILT_IN_LLFLOOR.
1383
1384 2005-04-08  Ian Lance Taylor  <ian@airs.com>
1385
1386         * c-common.def: Move FOR_STMT, WHILE_STMT, DO_STMT, BREAK_STMT,
1387         CONTINUE_STMT, and SWITCH_STMT to cp/cp-tree.def.
1388         * c-common.h (WHILE_COND, WHILE_BODY): Move to cp/cp-tree.h.
1389         (DO_COND, DO_BODY): Likewise.
1390         (FOR_INIT_STMT, FOR_COND, FOR_EXPR, FOR_BODY): Likewise.
1391         (SWITCH_STMT_COND, SWITCH_STMT_BODY, SWITCH_STMT_TYPE): Likewise.
1392         (c_common_stmt_codes): Remove FOR_STMT, WHILE_STMT, DO_STMT,
1393         BREAK_STMT, CONTINUE_STMT, and SWITCH_STMT.
1394         (build_continue_stmt, build_break_stmt): Don't declare.
1395         (c_do_switch_warnings): Update declaration.
1396         * c-gimplify.c (enum bc_t): Remove.
1397         (struct c_gimplify_ctx, ctxp): Remove.
1398         (push_context, pop_context): Remove static functions.
1399         (c_genericize): Don't call push_context or pop_context.
1400         (begin_bc_block, finish_bc_block): Remove static functions.
1401         (build_bc_goto): Likewise.
1402         (gimplify_c_loop): Likewise.
1403         (gimplify_for_stmt, gimplify_while_stmt): Likewise.
1404         (gimplify_do_stmt, gimplify_switch_stmt): Likewise.
1405         (c_gimplify_expr): Remove handling of FOR_STMT, WHILE_STMT,
1406         DO_STMT, SWITCH_STMT, CONTINUE_STMT, BREAK_STMT.
1407         * c-common.c (c_do_switch_warnings): Rename from
1408         c_do_switch_warnings_1.
1409         (c_do_switch_warnings) [old version]: Remove.
1410         (c_do_switch_expr_warnings): Remove.
1411         * c-typeck.c (c_finish_case): Call new c_do_switch_warnings
1412         function instead of c_do_switch_expr_warnings.
1413         * c-dump.c (c_dump_tree): Remove handling of BREAK_STMT,
1414         CONTINUE_STMT, DO_STMT, FOR_STMT, SWITCH_STMT, and WHILE_STMT.
1415         * c-pretty-print.c (pp_c_statement): Likewise.
1416         * c-semantics.c (build_break_stmt, build_continue_stmt): Remove.
1417
1418 2005-04-08  Devang Patel  <dpatel@apple.com>
1419
1420         * tree-if-conv.c (find_phi_replacement_condition): New parameter, loop.
1421         While selecting replacement condition pay attention to loop header.
1422
1423 2005-04-08  Diego Novillo  <dnovillo@redhat.com>
1424
1425         Merge from tree-cleanup-branch: VRP, store CCP, store
1426             copy-prop, incremental SSA updating of FUD chains and
1427             newly exposed symbols.
1428
1429         * Makefile.in (tree-ssa-copy.o): Depend on tree-ssa-propagate.h.
1430         (OBJS-common): Add tree-vrp.o.
1431         (tree-vrp.o): New rule.
1432         * basic-block.h (nearest_common_dominator_for_set): Declare.
1433         * common.opt (ftree-store-ccp): New flag.
1434         (ftree-copy-prop): New flag.
1435         (ftree-vrp): New flag.
1436         (ftree-store-copy-prop): New flag.
1437         * dominance.c (nearest_common_dominator_for_set): New.
1438         * domwalk.c (walk_dominator_tree): Only traverse
1439         statements in blocks marked in walk_data->interesting_blocks.
1440         * domwalk.h (struct dom_walk_data): Add field interesting_blocks.
1441         * fold-const.c (fold): Handle ASSERT_EXPR.
1442         * opts.c (decode_options): Set flag_tree_copy_prop at -O1.
1443         Set flag_tree_store_ccp, flag_tree_store_copy_prop and
1444         flag_tree_vrp at -O2.
1445         * timevar.def (TV_TREE_VRP): Define.
1446         (TV_TREE_COPY_PROP): Define.
1447         (TV_TREE_STORE_COPY_PROP): Define.
1448         (TV_TREE_SSA_INCREMENTAL): Define.
1449         (TV_TREE_STORE_CCP): Define.
1450         * tree-cfg.c (tree_can_merge_blocks_p): Remove reference
1451         to kill_redundant_phi_nodes from comment.
1452         (verify_expr): Handle ASSERT_EXPR.
1453         * tree-dfa.c (mark_new_vars_to_rename): Remove second
1454         argument.  Update all users.
1455         (mark_call_clobbered_vars_to_rename): Remove.  Update all
1456         users.
1457         * tree-flow-inline.h (unmodifiable_var_p): New.
1458         * tree-flow.h (enum value_range_type): Declare.
1459         (struct value_range_def): Declare.
1460         (value_range): Declare.
1461         (remove_all_phi_nodes_for): Remove.  Update all users.
1462         (find_phi_node_for): Declare.
1463         (add_type_alias): Declare.
1464         (count_uses_and_derefs): Declare.
1465         (kill_redundant_phi_nodes): Remove.
1466         (rewrite_into_ssa): Remove.
1467         (rewrite_def_def_chains): Remove.
1468         (update_ssa, register_new_name_mapping, create_new_def_for,
1469         need_ssa_update_p, name_registered_for_update_p,
1470         release_ssa_name_after_update_ssa, dump_repl_tbl,
1471         debug_repl_tbl, dump_names_replaced_by,
1472         debug_names_replaced_by, mark_sym_for_renaming,
1473         mark_set_for_renaming, get_current_def, set_current_def,
1474         get_value_range, dump_value_range, debug_value_range,
1475         dump_all_value_ranges, debug_all_value_ranges,
1476         expr_computes_nonzero, loop_depth_of_name,
1477         unmodifiable_var_p): Declare.
1478         * tree-gimple.c (is_gimple_formal_tmp_rhs): Handle
1479         ASSERT_EXPR.
1480         * tree-into-ssa.c (block_defs_stack): Update comment.
1481         (old_ssa_names, new_ssa_names, old_virtual_ssa_names,
1482         syms_to_rename, names_to_release, repl_tbl,
1483         need_to_initialize_update_ssa_p, need_to_update_vops_p,
1484         need_to_replace_names_p): New locals.
1485         (NAME_SETS_GROWTH_FACTOR): Define.
1486         (struct repl_map_d): Declare.
1487         (struct mark_def_sites_global_data): Add field
1488         interesting_blocks.
1489         (enum rewrite_mode): Declare.
1490         (REGISTER_DEFS_IN_THIS_STMT): Define.
1491         (compute_global_livein): Use last_basic_block instead of
1492         n_basic_blocks.
1493         (set_def_block): Remove last argument.  Update all callers.
1494         (prepare_use_operand_for_rename): Remove.  Update all callers.
1495         (prepare_def_operand_for_rename): Remove.  Update all callers.
1496         (symbol_marked_for_renaming): New.
1497         (is_old_name): New.
1498         (is_new_name): New.
1499         (repl_map_hash): New.
1500         (repl_map_eq): New.
1501         (repl_map_free): New.
1502         (names_replaced_by): New.
1503         (add_to_repl_tbl): New.
1504         (add_new_name_mapping): New.
1505         (mark_def_sites): Assume that all the operands in the
1506         statement are in normal form.
1507         (find_idf): Assert that the block in the stack is valid.
1508         (get_default_def_for): New.
1509         (insert_phi_nodes_for): Add new argument 'update_p'.
1510         Add documentation.
1511         If update_p is true, add a new mapping between the LHS of
1512         each new PHI and the name that it replaces.
1513         (insert_phi_nodes_1): Only call find_idf if needed.
1514         (get_reaching_def): Call get_default_def_for.
1515         (rewrite_operand): Remove.
1516         (rewrite_stmt): Do nothing if REGISTER_DEFS_IN_THIS_STMT
1517         and REWRITE_THIS_STMT are false.
1518         Assume that all the operands in the statement are in
1519         normal form.
1520         (rewrite_add_phi_arguments): Don't use PHI_REWRITTEN.
1521         (rewrite_virtual_phi_arguments): Remove.
1522         (invalidate_name_tags): Remove.
1523         (register_new_update_single, register_new_update_set,
1524         rewrite_update_init_block, replace_use,
1525         rewrite_update_fini_block, rewrite_update_stmt,
1526         rewrite_update_phi_arguments): New.
1527         rewrite_blocks): Remove argument 'fix_virtual_phis'.
1528         Add arguments 'entry', 'what' and 'blocks'.
1529         Initialize the dominator walker according to 'what' and
1530         'blocks'.
1531         Start the dominator walk at 'entry'.
1532         (mark_def_site_blocks): Add argument 'interesting_blocks'.
1533         Use it to configure the dominator walker.
1534         (rewrite_into_ssa): Remove argument 'all'.
1535         Make internal.
1536         (rewrite_all_into_ssa): Remove.
1537         (rewrite_def_def_chains): Remove.
1538         (mark_def_interesting, mark_use_interesting,
1539         prepare_phi_args_for_update, prepare_block_for_update,
1540         prepare_def_site_for, prepare_def_sites,
1541         dump_names_replaced_by, debug_names_replaced_by,
1542         dump_repl_tbl, debug_repl_tbl, init_update_ssa,
1543         delete_update_ssa, create_new_def_for,
1544         register_new_name_mapping, mark_sym_for_renaming,
1545         mark_set_for_renaming, need_ssa_update_p,
1546         name_registered_for_update_p, ssa_names_to_replace,
1547         release_ssa_name_after_update_ssa,
1548         insert_updated_phi_nodes_for, update_ssa): New.
1549         * tree-loop-linear.c (linear_transform_loops): Call
1550         update_ssa instead of rewrite_into_ssa.
1551         * tree-optimize.c (vars_to_rename): Remove.
1552         Update all users.
1553         (init_tree_optimization_passes): Replace
1554         pass_redundant_phi with pass_copy_prop.
1555         Add pass_vrp.
1556         Replace pass_ccp with pass_store_ccp.
1557         Add pass_store_copy_prop after pass_store_ccp.
1558         (execute_todo): If the TODO_ flags don't include updating
1559         the SSA form, assert that it does not need to be updated.
1560         Call update_ssa instead of rewrite_into_ssa and
1561         rewrite_def_def_chains.
1562         If TODO_verify_loops is set, call verify_loop_closed_ssa.
1563         (tree_rest_of_compilation):
1564         * tree-pass.h (TODO_dump_func, TODO_ggc_collect,
1565         TODO_verify_ssa, TODO_verify_flow, TODO_verify_stmts,
1566         TODO_cleanup_cfg): Renumber.
1567         (TODO_verify_loops, TODO_update_ssa,
1568         TODO_update_ssa_no_phi, TODO_update_ssa_full_phi,
1569         TODO_update_ssa_only_virtuals): Define.
1570         (pass_copy_prop, pass_store_ccp, pass_store_copy_prop, pass_vrp):
1571         Declare.
1572         * tree-phinodes.c (make_phi_node): Update documentation.
1573         (remove_all_phi_nodes_for): Remove.
1574         (find_phi_node_for): New.
1575         * tree-pretty-print.c (dump_generic_node): Handle ASSERT_EXPR.
1576         * tree-scalar-evolution.c (follow_ssa_edge_in_rhs): Likewise.
1577         (interpret_rhs_modify_expr): Likewise.
1578         * tree-sra.c (decide_instantiations): Mark all symbols in
1579         SRA_CANDIDATES for renaming.
1580         (mark_all_v_defs_1): Rename from mark_all_v_defs.
1581         (mark_all_v_defs): New function.  Update all users to call it
1582         with the whole list of scalarized statements, not just the
1583         first one.
1584         * tree-ssa-alias.c (count_ptr_derefs): Make extern.
1585         (compute_flow_insensitive_aliasing): If the tag is
1586         unmodifiable and the variable isn't or vice-versa, don't
1587         make them alias of each other.
1588         (setup_pointers_and_addressables): If the type tag for
1589         VAR is about to change, mark the old one for renaming.
1590         (add_type_alias): New.
1591         * tree-ssa-ccp.c: Document SSA-CCP and STORE-CCP.
1592         (ccp_lattice_t): Rename from latticevalue.
1593         (value): Remove.  Update all users.
1594         (const_val): New local variable.
1595         (do_store_ccp): New local variable.
1596         (dump_lattice_value): Handle UNINITIALIZED.
1597         (debug_lattice_value): New.
1598         (get_default_value): Re-write.
1599         (set_lattice_value): Re-write.
1600         (def_to_varying): Remove.  Update all users.
1601         (likely_value): Return VARYING for statements that make
1602         stores when STORE_CCP is false.
1603         Return VARYING for any statement other than MODIFY_EXPR,
1604         COND_EXPR and SWITCH_EXPR.
1605         (ccp_initialize): Re-write.
1606         (replace_uses_in, replace_vuse_in, substitute_and_fold):
1607         Move to tree-ssa-propagate.c.
1608         (ccp_lattice_meet): Handle memory stores when
1609         DO_STORE_CCP is true.
1610         (ccp_visit_phi_node): Likewise.
1611         (ccp_fold): Likewise.
1612         (evaluate_stmt): Likewise.
1613         (visit_assignment): Likewise.
1614         (ccp_visit_stmt): Likewise.
1615         (execute_ssa_ccp): Add argument 'store_ccp'.  Copy it
1616         into DO_STORE_CCP.
1617         (do_ssa_ccp): New.
1618         (pass_ccp): Use it.
1619         (do_ssa_store_ccp): New.
1620         (gate_store_ccp): New.
1621         (pass_store_ccp): Declare.
1622         * tree-ssa-copy.c: Include tree-ssa-propagate.h.
1623         (may_propagate_copy): Reformat.
1624         Don't abort if ORIG is a virtual and DEST isn't.
1625         If NEW does not have alias information but DEST does,
1626         copy it.
1627         (copy_of, cached_last_copy_of, do_store_copy_prop, enum
1628         copy_prop_kind, which_copy_prop): Declare.
1629         (stmt_may_generate_copy, get_copy_of_val,
1630         get_last_copy_of, set_copy_of_val, dump_copy_of,
1631         copy_prop_visit_assignment, copy_prop_visit_cond_stmt,
1632         copy_prop_visit_stmt, copy_prop_visit_phi_node,
1633         init_copy_prop, fini_copy_prop, execute_copy_prop,
1634         gate_copy_prop, do_copy_prop, gate_store_copy_prop,
1635         store_copy_prop): New.
1636         (pass_copy_prop, pass_store_copy_prop): Declare.
1637         * tree-ssa-dom.c (struct opt_stats_d): Add fields
1638         'num_const_prop' and 'num_copy_prop'.
1639         (cprop_operand): Update them.
1640         (dump_dominator_optimization_stats): Dump them.
1641         (tree_ssa_dominator_optimize): Call update_ssa instead of
1642         rewrite_into_ssa.
1643         (loop_depth_of_name): Declare extern.
1644         (simplify_cond_and_lookup_avail_expr): Guard against NULL
1645         values for LOW or HIGH.
1646         (cprop_into_successor_phis): Only propagate if NEW != ORIG.
1647         (record_equivalences_from_stmt): Call expr_computes_nonzero.
1648         (cprop_operand): Only propagate if VAL != OP.
1649         * tree-ssa-dse.c (dse_optimize_stmt): Mark symbols in removed
1650         statement for renaming.
1651         * tree-ssa-loop-im.c (move_computations): Call update_ssa.
1652         * tree-ssa-loop-ivopts.c (rewrite_address_base): Call
1653         add_type_alias if necessary.
1654         Call mark_new_vars_to_rename.
1655         (tree_ssa_iv_optimize): If new symbols need to be renamed,
1656         mark every statement updated, call update_ssa and
1657         rewrite_into_loop_closed_ssa.
1658         * tree-ssa-loop-manip.c (add_exit_phis): Do not remove DEF_BB
1659         from LIVEIN if VAR is a virtual.
1660         * tree-ssa-loop.c (tree_loop_optimizer_init): Call update_ssa.
1661         * tree-ssa-operands.c (get_expr_operands): Handle ASSERT_EXPR.
1662         (get_call_expr_operands): Reformat statement.
1663         (add_stmt_operand): Don't create V_MAY_DEFs for read-only
1664         symbols.
1665         * tree-ssa-propagate.c (ssa_prop_init): Initialize
1666         SSA_NAME_VALUE for every name.
1667         (first_vdef, stmt_makes_single_load, stmt_makes_single_store,
1668         get_value_loaded_by): New.
1669         (replace_uses_in, replace_vuses_in, replace_phi_args_in,
1670         substitute_and_fold): Move from tree-ssa-ccp.c.
1671         * tree-ssa-propagate.h (struct prop_value_d, prop_value_t,
1672         first_vdef, stmt_makes_single_load, stmt_makes_single_store,
1673         get_value_loaded_by, replace_uses_in, substitute_and_fold):
1674         Declare.
1675         * tree-ssa.c (verify_use): Fix error message.
1676         (propagate_into_addr, replace_immediate_uses, get_eq_name,
1677         check_phi_redundancy, kill_redundant_phi_nodes,
1678         pass_redundant_phi): Remove.  Update all users.
1679         * tree-vect-transform.c (vect_create_data_ref_ptr): Call
1680         add_type_alias, if necessary.
1681         * tree-vectorizer.h (struct _stmt_vect_info): Update
1682         documentation for field 'memtag'.
1683         * tree-vrp.c: New file.
1684         * tree.def (ASSERT_EXPR): Define.
1685         * tree.h (ASSERT_EXPR_VAR): Define.
1686         (ASSERT_EXPR_COND): Define.
1687         (SSA_NAME_VALUE_RANGE): Define.
1688         (struct tree_ssa_name): Add field 'value_range'.
1689         (PHI_REWRITTEN): Remove.
1690         (struct tree_phi_node): Remove field 'rewritten'.
1691         * doc/invoke.texi (-fdump-tree-storeccp, -ftree-copy-prop,
1692         -ftree-store-copy-prop): Document.
1693         * doc/tree-ssa.texi: Remove broken link to McCAT's compiler.
1694         Document usage of update_ssa.
1695
1696 2005-04-08  David Edelsohn  <edelsohn@gnu.org>
1697
1698         PR target/20814
1699         * config/rs6000/predicates.md (altivec_register_operand): Accept
1700         SUBREG.
1701         (and64_operand): Do not limit CONST_INT to mask64_operand.
1702         (and64_2_operand): Do not limit CONST_INT to mask64_1or2_operand.
1703         (and_operand): Do not limit CONST_INT to mask_operand.
1704
1705 2005-04-09  Hans-Peter Nilsson  <hp@axis.com>
1706
1707         PR rtl-optimization/20466
1708         * flow.c (invalidate_mems_from_set): Handle a MEM by checking it
1709         for overlap of the address of each list member.
1710         (mark_set_1): Call invalidate_mems_from_set for MEMs too.
1711
1712 2005-04-08  Mike Stump  <mrs@apple.com>
1713
1714         * config/darwin.c (indirect_data): Fix typo in strncmp logic.
1715
1716         * config/rs6000/rs6000.c (rs6000_emit_prologue): Use 5 nops,
1717         instead of 4.
1718
1719 2005-04-08  Kazu Hirata  <kazu@cs.umass.edu>
1720
1721         * c-tree.h (C_LANG_TREE_NODE_CHAIN_NEXT): Remove.
1722
1723         * function.c (push_function_context_to): Don't set
1724         contains_functions.
1725         * function.h (function): Remove contains_functions.
1726         (current_function_contains_functions): Remove.
1727
1728         * function.h (function): Remove instrument_entry_exit.
1729         (current_function_instrument_entry_exit): Remove.
1730
1731         * function.h (nonlocal_labels): Remove.
1732
1733         * tree.h (STRIP_MAIN_TYPE_NOPS): Remove.
1734
1735         * genattrtab.c (attr_desc): Remove negative_ok and unsigned_p.
1736         (check_attr_value, write_attr_get, write_expr_attr_cache,
1737         find_attr, make_internal_attr): Don't reference negative_ok or
1738         unsigned_p.
1739         * genattrtab.h (ATTR_NEGATIVE_OK, ATTR_UNSIGNED,
1740         ATTR_FUNC_UNITS, ATTR_BLOCKAGE): Remove.
1741         (ATTR_STATIC): Adjust the value.
1742
1743         * c-common.h (C_ARTIFICIAL_STRING_P): Remove.
1744
1745 2005-04-08  Ulrich Weigand  <uweigand@de.ibm.com>
1746
1747         * config/s390/tpf.h (ASM_SPEC): Define.
1748
1749 2005-04-08  Kazu Hirata  <kazu@cs.umass.edu>
1750
1751         * tree-flow.h: Remove the prototype for
1752         redirect_immediate_uses.
1753         (TDFA_USE_OPS, TDFA_USE_VOPS): Remove.
1754
1755 2005-04-08  Richard Earnshaw  <richard.earnshaw@arm.com>
1756
1757         * arm.c (arm_const_double_by_parts): New function.
1758         * arm-protos.h (arm_const_double_by_parts): Add prototype.
1759         * arm.md (define_split for 64-bit constants): Add another one.
1760
1761 2005-04-08  Andrew MacLeod  <amacleod@redhat.com>
1762
1763         * tree-ssa-operands.c (correct_use_link): Remove linear scan.
1764
1765 2005-04-08  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1766
1767         * system.h: Revert last change.
1768
1769 2005-04-08  Richard Sandiford  <rsandifo@redhat.com>
1770
1771         * config/xtensa/xtensa.h (target_flags, MASK_NO_FUSED_MADD)
1772         (MASK_CONST16, TARGET_NO_FUSED_MADD, TARGET_CONST16)
1773         (TARGET_SWITCHES): Delete.
1774         * config/xtensa/xtensa.c (TARGET_DEFAULT_TARGET_FLAGS): Define.
1775         * config/xtensa/xtensa.md (muladdsf3, mulsubsf3): Check
1776         TARGET_FUSED_MADD instead of !TARGET_NO_FUSED_MADD.
1777         * config/xtensa/xtensa.opt: New file.
1778
1779 2005-04-08  Ben Elliston  <bje@au.ibm.com>
1780
1781         * config/fp-bit.c: Include L_mul_tf in #endif comment.
1782         * config/fp-bit.h: Tidy comments.
1783
1784 2005-04-07  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1785
1786         * system.h: Poison PARAMS.
1787
1788 2005-04-07  Richard Sandiford  <rsandifo@redhat.com>
1789
1790         * config/vax/vax.h (target_flags, MASK_UNIX_ASM, MASK_VAXC_ALIGNMENT)
1791         (MASK_G_FLOAT, TARGET_UNIX_ASM, TARGET_VAXC_ALIGNMENT, TARGET_G_FLOAT)
1792         (TARGET_SWITCHES): Delete.
1793         * config/vax/vax.c (TARGET_DEFAULT_TARGET_FLAGS): Override default.
1794         * config/vax/vax.opt: New file.
1795
1796 2005-04-07  Daniel Berlin  <dberlin@dberlin.org>
1797
1798         * tree-ssa-dse.c (dse_optimize_stmt): Fix incorrect comment.
1799
1800 2005-04-07  Ian Lance Taylor  <ian@airs.com>
1801
1802         * config/iq2000/iq2000.h (DONT_ACCESS_GBLS_AFTER_EPILOGUE): Don't
1803         define.
1804         * config/mips/mips.h (DONT_ACCESS_GBLS_AFTER_EPILOGUE): Likewise.
1805         * config/sparc/sparc.h (DONT_ACCESS_GBLS_AFTER_EPILOGUE):
1806         Likewise.
1807
1808 2005-04-07  Kazu Hirata  <kazu@cs.umass.edu>
1809
1810         * tree-ssa-sink.c (nearest_common_dominator_of_uses): Consider
1811         all immediate uses in PHI nodes.
1812
1813 2005-04-07  Richard Earnshaw  <richard.earnshaw@arm.com>
1814
1815         * arm.c (arm_const_double_inline_cost): Handle any constant by
1816         using gen_lowpart and gen_highpart_mode.
1817         (note_invalid_constants): All constants in an RTX with a constraint
1818         that permits memory are now pushed to the constant pool.
1819         (output_move_double): Delete code to handle reg to reg and
1820         constant to reg moves.
1821         (const_double_needs_minipool, output_mov_immediate): Delete.
1822         * arm.h (EXTRA_CONSTRAINT_STR_ARM): All 'D' variants now handle
1823         CONST_INT and CONST_VECTOR.
1824         * arm.md (ANY64): New mode macro.
1825         (arm_movdi): Split reg-reg and const-reg moves.  Simplify constraints.
1826         (movdf_soft_insn): Split reg-reg and const-reg moves.
1827         (split patterns for 64-bit constant and register moves): New.
1828         * cirrus.md (cirrus_arm_movdi): Split reg-reg and const-reg moves.
1829         (cirrus_movdf_hard_insn): Likewise.
1830         * fpa.md (movdf_fpa): Likewise.
1831         * iwmmxt.md (iwmmxt_arm_movdi): Likewise.
1832         (movv8qi_internal, movv4hi_internal, movv2si_internal): Fix
1833         constraints.
1834         (movv2si_internal_2): Likewise.
1835         * vfp.md (arm_movdi_vfp): Split reg-reg and const-reg moves.
1836         (movdf_vfp): Likewise.
1837         * arm-protos.h (output_mov_immediate): Delete prototype.
1838
1839 2005-04-07  Joseph S. Myers  <joseph@codesourcery.com>
1840
1841         PR target/20093
1842         * simplify-rtx.c (simplify_unary_operation_1): Check
1843         SUBREG_PROMOTED_UNSIGNED_P (op) > 0 for zero-extension.
1844
1845 2005-04-06  James E Wilson  <wilson@specifixinc.com>
1846
1847         PR target/20717
1848         * cgraphunit.c (record_call_1, case FDESC_EXPR): Handle same as
1849         ADDR_EXPR.
1850
1851 2004-04-06  Richard Sandiford  <rsandifo@redhat.com>
1852
1853         * coverage.h (GCOV_TYPE_NODE): Delete.
1854         * coverage.c (coverage_counter_alloc, tree_coverage_counter_ref)
1855         (build_ctr_info_type): Use get_gcov_type () instead of GCOV_TYPE_NODE.
1856         * tree-profile.c (tree_gen_edge_profiler, tree_gen_interval_profiler)
1857         (tree_gen_pow2_profiler, tree_gen_one_value_profiler): Likewise.
1858         * value-prof.c (tree_divmod_fixed_value_transform): Delete.
1859
1860 2004-04-06  Richard Sandiford  <rsandifo@redhat.com>
1861
1862         PR other/20792
1863         * Makefile.in (gcc.pot): Remove options.c dependency.
1864         * optc-gen.awk: Don't quote help strings with N_().
1865
1866 2005-04-06  James A. Morrison  <phython@gcc.gnu.org>
1867
1868         * c-common.c (handle_malloc_atttribute): Only set DECL_IS_MALLOC if
1869         the function returns a pointer type.
1870
1871 2005-04-06  Daniel Berlin  <dberlin@dberlin.org>
1872
1873         * params.def (PARAM_SALIAS_MAX_IMPLICIT_FIELDS): New
1874         * params.h (SALIAS_MAX_IMPLICIT_FIELDS): New
1875         * doc/invoke.texi: Documnet salias-max-implicit-fields.
1876         * tree-ssa-alias.c (struct used_part): Add implicit_uses and
1877         explicit_uses members.
1878         (get_or_create_used_part_for): Initialize new fields.
1879         (fieldoff_compare): New function.
1880         (create_overlap_variables_for): Count number of fields, use
1881         heuristic to determine whether to create subvars for vars with
1882         only implicit uses.
1883         Sort the field list by offset and avoid creating duplicate SFT's.
1884
1885 2005-04-06  Richard Sandiford  <rsandifo@redhat.com>
1886
1887         * c.opt (-F): Remove trailing whitespace from help string.
1888         (-finput-charset): Use a tab to separate the switch name and help
1889         string.
1890         * common.opt (-fsched-stalled-insns, -fsched-stalled-insns-dep)
1891         (-ftree-vectorizer-verbose): Likewise.
1892
1893 2005-04-06  Kazu Hirata  <kazu@cs.umass.edu>
1894
1895         * tree-ssa-sink.c (nearest_common_dominator_of_uses): Look at
1896         a PHI argument where a use occurs instead of all PHI arguments.
1897
1898 2005-04-06  Joseph S. Myers  <joseph@codesourcery.com>
1899
1900         * c-decl.c (finish_decl): Apply pending #pragma weak regardless of
1901         scope.
1902
1903 2005-04-06  Kazu Hirata  <kazu@cs.umass.edu>
1904
1905         * cse.c, tree-flow-inline.h, tree-flow.h, tree-ssa-operands.c,
1906         tree-ssa-sink.c, tree.h, config/bfin/bfin.c,
1907         config/bfin/bfin.h: Fix comment typos.
1908
1909 2005-04-06  Ranjit Mathew  <rmathew@hotmail.com>
1910
1911         * doc/install.texi: Update the URL for Jacks.
1912         * doc/sourcebuild.texi: Likewise.
1913
1914 2005-04-06  Eric Botcazou  <ebotcazou@libertysurf.fr>
1915
1916         PR target/17245
1917         * config/sparc/sparc.c (legitimate_address_p): Remove 'imm2'.
1918         Revert 2004-10-08 patch.  Reject TFmode LO_SUM in 32-bit mode.
1919
1920 2005-04-06  Kelley Cook  <kcook@gcc.gnu.org>
1921
1922         * Makefile.in (LIBGCC2_CFLAGS): Revert -pipe change.
1923
1924 2005-04-06  Richard Sandiford  <rsandifo@redhat.com>
1925
1926         * config/v850/v850-protos.h (override_options): Delete.
1927         * config/v850/v850.h (target_flags, MASK_GHS, MASK_LONG_CALLS, MASK_EP)
1928         (MASK_PROLOG_FUNCTION, MASK_DEBUG, MASK_V850, MASK_V850E)
1929         (MASK_SMALL_SLD, MASK_BIG_SWITCH, MASK_NO_APP_REGS, MASK_DISABLE_CALLT)
1930         (MASK_STRICT_ALIGN, MASK_US_BIT_SET, MASK_US_MASK_SET, TARGET_GHS)
1931         (TARGET_LONG_CALLS, TARGET_EP, TARGET_PROLOG_FUNCTION, TARGET_V850)
1932         (TARGET_BIG_SWITCH, TARGET_DEBUG, TARGET_V850E, TARGET_US_BIT_SET)
1933         (TARGET_SMALL_SLD, TARGET_DISABLE_CALLT, TARGET_NO_APP_REGS)
1934         (TARGET_STRICT_ALIGN, TARGET_SWITCHES, TARGET_OPTIONS)
1935         (OVERRIDE_OPTIONS): Delete.
1936         (MASK_CPU): Redefine as MASK_V850 | MASK_V850E.
1937         (small_memory_info): Remove the value field.
1938         (CONDITIONAL_REGISTER_USAGE): Check !TARGET_APP_REGS rather than
1939         TARGET_NO_APP_REGS.
1940         * config/v850/v850.c (small_memory): Remove the value field.
1941         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
1942         (override_options): Delete.
1943         (v850_handle_memory_option, v850_handle_option): New functions.
1944         * config/v850/v850.opt: New file.
1945
1946 2005-04-06  Geoffrey Keating  <geoffk@apple.com>
1947
1948         * config.host: Add a section for generic hosts, and a subsection
1949         for Darwin.  Add a case for x86-darwin.  Update ppc-darwin case.
1950         * config/host-darwin.c: New, split out of config/rs6000/host-darwin.c.
1951         * config/host-darwin.h: New.
1952         * config/x-darwin: New.
1953         * config/i386/host-i386-darwin.c: New.
1954         * config/i386/x-darwin: New.
1955         * config/rs6000/host-darwin.c: Include host-darwin.h.
1956         (darwin_rs6000_gt_pch_get_address): Move to config/host-darwin.c.
1957         (darwin_rs6000_gt_pch_use_address): Likewise.
1958         * config/rs6000/x-darwin: Change name of .o built, update
1959         dependencies for changes to rs6000/host-darwin.c.
1960
1961 2005-04-06  Ralf Corsepius  <ralf.corsepius@rtems.org>
1962
1963         PR target/17824
1964         * config/c4x/c4x.h (ASM_PROG, LD_PROG): Remove.
1965
1966 2005-04-06  Dorit Naishlos  <dorit@il.ibm.com>
1967
1968         * tree-vect-analyze.c (vect_analyze_loop_form): Call
1969         split_loop_exit_edge instead of loop_split_edge_with.
1970
1971 2005-04-06  Paolo Bonzini  <bonzini@gnu.org>
1972
1973         * config/rs6000/altivec.md (UNSPEC_VSLW, UNSPEC_SUBS,
1974         UNSPEC_SET_VSCR): New constants, used throughout.
1975         (*andc3_v4sf): New.
1976         (altivec_vspltisb, altivec_vsplitish, altivec_vsplitisw):
1977         Replace with...
1978         (altivec_vspltis<VI_char>): ... this pattern, using
1979         a QImode const_int_operand for the immediate.
1980         (abs<mode>2, absv4sf2, altivec_abss_<mode>): Rewrite as
1981         define_expands.
1982
1983 2005-04-06  Ralf Corsepius  <ralf.corsepius@rtems.org>
1984
1985         PR target/17822
1986         * config/avr/t-avr (AR_FOR_TARGET,RANLIB_FOR_TARGET): Remove.
1987
1988 2005-04-06  Kelley Cook  <kcook@gcc.gnu.org>
1989
1990         * Makefile.in (LIBGCC2_CFLAGS): Compile with -pipe.
1991
1992 2005-04-06  Ben Elliston  <bje@au.ibm.com>
1993
1994         * gcc.c: Correct comment about DEFAULT_SWITCH_TAKES_ARG and
1995         DEFAULT_WORD_SWITCH_TAKES_ARG which incorrectly reported these
1996         macros as living in "this file" and not gcc.h.
1997
1998 2005-04-06  Ben Elliston  <bje@au.ibm.com>
1999
2000         * doc/invoke.texi (Optimize Options): Mention -ftree-lrs, not
2001         -ftree-live_range_split.  Perhaps renamed at some point?
2002
2003 2005-04-06  Zdenek Dvorak  <dvorakz@suse.cz>
2004
2005         PR target/20625
2006         * tree-ssa-loop-ivopts.c (generic_type_for): New function.
2007         (add_candidate_1): Use generic_type_for instead of unsigned_type_for.
2008
2009 2005-04-06  Zdenek Dvorak  <dvorakz@suse.cz>
2010
2011         * tree-flow.h (number_of_iterations_cond): Declaration removed.
2012         * tree-ssa-loop-niter.c (number_of_iterations_cond): Made static.
2013         (number_of_iterations_special): New function.
2014         (number_of_iterations_exit): Use number_of_iterations_special.
2015         Use simplify_using_outer_evolutions only at -O3.
2016         (number_of_iterations_cond, tree_simplify_using_condition,
2017         simplify_using_initial_conditions, loop_niter_by_eval,
2018         compare_trees, can_count_iv_in_wider_type_bound,
2019         simplify_using_outer_evolutions): Use fold_build.
2020
2021 2005-04-05  Thomas Fitzsimmons  <fitzsim@redhat.com>
2022
2023         * doc/install.texi (Configuration): Document --with-java-home.
2024
2025 2005-04-05  Richard Henderson  <rth@redhat.com>
2026
2027         PR target/20342
2028         PR target/20447
2029         * config/i386/i386.c (print_operand): Handle vector zeros.
2030         (ix86_split_to_parts): Handle CONST_VECTOR.
2031         (ix86_hard_regno_mode_ok): Allow MMX modes in general regs.
2032         (ix86_modes_tieable_p): Use ix86_hard_regno_mode_ok to decide
2033         what modes to tie for MMX and SSE registers.
2034         * config/i386/i386.h (MMX_REG_MODE_P): Remove.
2035         * config/i386/i386.md: Extend move 0 -> xor peephole to apply
2036         to vector modes as well.
2037         * config/i386/predicates.md (const0_operand): Handle VOIDmode
2038         properly as an input mode.
2039
2040 2005-04-05  Andrew MacLeod  <amacleod@redhat.com>
2041
2042         * tree-ssa-operands.c (verify_abort): Use %p for pointers.
2043
2044 2005-04-05  Andrew MacLeod  <amacleod@redhat.com>
2045
2046         * tree-pretty-print.c (dump_generic_node): Use %p for pointer.
2047
2048 2005-04-05  Jakub Jelinek  <jakub@redhat.com>
2049
2050         * config/i386/i386.c (init_cumulative_args): For -m32 -mfpmath=sse
2051         and local functions, set sse_nregs to 8 and float_in_sse.
2052         (function_arg_advance, function_arg): If float_in_sse, pass
2053         SFmode and DFmode arguments in SSE registers.
2054         * config/i386/i386.h (CUMULATIVE_ARGS): Add float_in_sse field.
2055
2056         * config/i386/i386.c (ix86_value_regno): Only optimize local functions
2057         of -funit-at-a-time.
2058
2059 2005-04-05  Paolo Bonzini  <bonzini@gnu.org>
2060
2061         * config/i386/i386-protos.h (ix86_function_value): Accept two
2062         arguments, like the target macro.
2063         * config/i386/i386.h (FUNCTION_VALUE): Pass both arguments.
2064         * config/i386/i386.c (ix86_function_value): Accept the second
2065         argument of the target macro.
2066         (ix86_function_ok_for_sibcall): Pass a function pointer to
2067         ix86_function_value.
2068         (ix86_function_value, ix86_libcall_value) [!TARGET_64BIT]: Adjust
2069         call to ix86_value_regno).
2070         (ix86_value_regno): Add support for returning floating point values
2071         in SSE registers.
2072
2073 2005-04-05  Jakub Jelinek  <jakub@redhat.com>
2074
2075         PR tree-optimization/20076
2076         * tree-inline.c (inline_forbidden_p_1): Prevent inlining functions
2077         that call __builtin_return or __builtin_apply_args.
2078
2079 2005-04-05  Andrew MacLeod  <amacleod@redhat.com>
2080
2081         * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use update_stmt.
2082         Use immediate use iterator.
2083         (stmt_is_bumper_for_loop): Use immediate use iterator.
2084         * predict.c (strip_builtin_expect): Use update_stmt.
2085         * tree-cfg.c (update_modified_stmts): New. Call update_stmt_if_modified
2086         on all elements of a STATEMENT_LIST.
2087         (bsi_insert_before, bsi_insert_after): Call update_modified_stmts.
2088         (bsi_remove): Remove imm_use links and mark the stmt as modified.
2089         (bsi_replace): Mark stmt as modified and the update it.
2090         * tree-complex.c (update_complex_assignment): Call mark_stmt_modified.
2091         (expand_complex_libcal): Call update_stmt.
2092         (expand_complex_comparison): Call mark_stmt_modified.
2093         (expand_complex_operations_1): Call update_stmt_if_modified.
2094         (expand_vector_operations_1): Call mark_stmt_modified.
2095         * tree-dfa.c (compute_immediate_uses, free_df_for_stmt, free_df,
2096         compute_immediate_uses_for_phi, compute_immediate_uses_for_stmt,
2097         add_immediate_use, redirect_immediate_use,
2098         redirect_immediate_uses, dump_immediate_uses, debug_immediate_uses,
2099         dump_immediate_uses_for, debug_immediate_uses_for): Delete.
2100         (mark_new_vars_to_rename): Call update_stmt.
2101         * tree-dump.c (dump_option_value_in): Add "stmtaddr".
2102         * tree-flow-inline.h (modify_stmt): Rename to mark_stmt_modified.
2103         Ignore PHI nodes.
2104         (unmodify_stmt): Delete.
2105         (update_stmt): New.  Force an update of a stmt.
2106         (update_stmt_if_modified): update a stmt if it is out of date.
2107         (get_stmt_operands): Verify stmt is NOT modified.
2108         (stmt_modified_p): Update comment.
2109         (delink_imm_use): Remove a use node from its immuse list.
2110         (link_imm_use_to_list): Link a use node to a specific list.
2111         (link_imm_use): Link a node to the correct list.
2112         (set_ssa_use_from_ptr): Set a use node to a specific value, and insert
2113         it in the correct list, if appropriate.
2114         (link_imm_use_stmt): Link a use node, and set the stmt pointer.
2115         (relink_imm_use): Link a use node in place of another node in a list.
2116         (relink_imm_use_stmt): LInk a node in place of another node, and set
2117         the stmt pointer.
2118         (end_safe_imm_use_traverse): New.  Terminate a safe immuse iterator.
2119         (end_safe_imm_use_p): New.  Check for the end of a safe immuse iterator.
2120         (first_safe_imm_use): New.  Initialize a safe immuse iterator.
2121         (next_safe_imm_use): New.  Proceed to next safe immuse iterator value.
2122         (end_readonly_imm_use_p): New.  Check for end of a fast immuse iterator.
2123         (first_readonly_imm_use): New.  Initialize a fast immuse iterator.
2124         (next_readonly_imm_use): New.  Get the next fast immuse iterator value.
2125         (has_zero_uses): New.  Return true if there are no uses of a var.
2126         (has_single_use): New.  Return true if there is only a single use of a
2127         variable.
2128         (single_imm_use): New.  Return the simgle immediate use.
2129         (num_imm_uses): New.  Return the number of immediate uses.
2130         (get_v_must_def_ops): Use is now a pointer.
2131         (use_operand_p, get_v_may_def_op_ptr, get_vuse_op_ptr,
2132         get_v_must_def_kill_ptr, get_phi_arg_def_ptr): Return the address of
2133         the use node.
2134         (get_immediate_uses, num_immediate_uses, immediate_use): Delete.
2135         (delink_stmt_imm_use): Delink all immuses from a stmt.
2136         (phi_arg_index_from_use): New.  Return a phi arg index for a use.
2137         * tree-flow.h (struct dataflow_d): Delete.
2138         (immediate_use_iterator_d): New.  Immediate use iterator struct.
2139         (FOR_EACH_IMM_USE_FAST): New.  Macro for read only immuse iteration.
2140         (FOR_EACH_IMM_USE_SAFE): New.  Macro for write-safe immuse iteration.
2141         (BREAK_FROM_SAFE_IMM_USE): New.  Macro for earlyu exit from write-safe
2142         iteration.
2143         (struct stmt_ann_d): Remove dataflow_t from struct.
2144         * tree-if-conv.c (tree_if_conversion).  Don't call free_df.
2145         (if_convertible_phi_p): Use FAST immuse iterator.
2146         (if_convertible_loop_p): Don't call compute_immediate_uses.
2147         (replace_phi_with_cond_modify_expr): Call update_stmt.
2148         * tree-into-ssa.c (mark_def_sites, ssa_mark_def_sites): Call
2149         update_stmt_if_modified.
2150         (rewrite_all_into_ssa): Initialize ssa operands.
2151         * tree-loop-linear.c (linear_transform_loops): Don't call free_df or
2152         compute_immediate_uses.
2153         * tree-optimize.c (execute_todo): Call verify_ssa whenever the
2154         ssa_property is available.
2155         (execute_one_pass):  Change parameters passed to execute_todo.
2156         * tree-outof-ssa.c (rewrite_trees): Don't call modify_stmt.
2157         (remove_ssa_form): Call fini_ssa_operands.
2158         (insert_backedge_copies): Delete call to modify_stmt.
2159         * tree-phinodes.c (make_phi_node): Initialize use nodes.
2160         (release_phi_node): Delink any use nodes before releasing.
2161         (resize_phi_node): Relink any use nodes.
2162         (remove_phi_arg_num): Delink the use node.
2163         (remove_phi_node): Release the ssa_name AFTER releasing the phi node.
2164         (remove_all_phi_nodes_for): Release phi node first.
2165         * tree-pretty-print.c (dump_generic_node): Print stmt address.
2166         * tree-sra.c (mark_all_v_defs): Call update_stmt_if_modified.
2167         (scalarize_use, scalarize_copy): Call update_stmt.
2168         * tree-ssa-alias.c (compute_may_aliases): Update all modified stmts.
2169         (compute_points_to_and_addr_escape): Call mark_stmt_modified.
2170         * tree-ssa-cpp.c (need_imm_uses_for): Delete.
2171         (ccp_initialize): Remove call to compute_immediate_uses.
2172         (substitute_and_fold, execute_fold_all_builtins): Call update_stmt.
2173         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Update all modified
2174         stmts.
2175         (simplify_cond_and_lookup_avail_expr): Call mark_stmt_modified.
2176         (simplify_switch_and_lookup_avail_expr): Call mark_stmt_modified.
2177         (eliminate_redundant_computations): Call mark_stmt_modified.
2178         (cprop_operand): Call mark_stmt_modified.
2179         (optimize_stmt): Call update_stmt_if_modified and mark_stmt_modified.
2180         * tree-ssa-dse.c (fix_phi_uses, fix_stmt_v_may_defs): Delete.
2181         (dse_optimize_stmt): Use new immuse interface.
2182         (tree_ssa_dse): Remove calls to compute_immediate_uses and free_df.
2183         * tree-ssa-forwprop.c (need_imm_uses_for): Delete.
2184         (substitute_single_use_vars): Use new immuse interface.
2185         (tree_ssa_forward_propagate_single_use_vars): Remove calls to free_df
2186         and compute_immediate_uses.
2187         * tree-ssa-loop-im.c (single_reachable_address): Use new immuse
2188         interface.
2189         (rewrite_mem_refs): Call update_stmt.
2190         (determine_lsm): Remove call to compute_imm_uses and free_df.
2191         * tree-ssa-loop-ivcanon.c (create_canonical_iv): Call update_stmt.
2192         (try_unroll_loop_completely): Call update_stmt.
2193         * tree-ssa-loop-ivopts.c (rewrite_address_base): Call update_stmt.
2194         (rewrite_use_compare): Call update_stmt.
2195         (compute_phi_arg_on_exit): Insert each stmt before trying to process.
2196         (rewrite_use) : Call update_stmt.
2197         * tree-ssa-loop-manip.c (verify_loop_closed_ssa): Add arg to call.
2198         * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Call
2199         update_stmt.
2200         * tree-ssa-operands.c (NULL_USE_OPERAND_P): Remove declaration.
2201         (allocate_use_optype, allocate_vuse_optype): Adjust allocation size.
2202         (free_uses, free_vuses, free_v_may_defs, free_v_must_defs): Delink
2203         use nodes.
2204         (initialize_vuse_operand): New.  Initialize a vuse operand.
2205         (initialize_v_may_def_operand): New.  Initialize a maydef operand.
2206         (initialize_v_must_def_operand): New.  Initialize a mustdef operand.
2207         (finalize_ssa_defs): Use stmt parameter.
2208         (correct_use_link): Ensure a use node is in the correct list, and has
2209         the correct stmt pointer.
2210         (finalize_ssa_uses, finalize_ssa_v_may_defs, finalize_ssa_vuses,
2211         finalize_ssa_v_must_defs): Also initialize use nodes.
2212         (finalize_ssa_stmt_operands): Pass extra stmt operands.
2213         (build_ssa_operands): Seperate parsing from final operand construction.
2214         (parse_ssa_operands): New.  Parse entry point for operand building.
2215         (swap_tree_operands): New.  Swap 2 tree operands.
2216         (update_stmt_operands): Ranamed from get_stmt_operands.  Always builds
2217         operands.
2218         (get_expr_operands): Call swap_tree_operands when needed.
2219         (copy_virtual_operands): Use initialize routines for virtual use ops.
2220         (create_ssa_artficial_load_stmt): Add extra stmt parameter.
2221         (verify_abort): New.  Issue imm_use error.
2222         (verify_imm_links): New Verify imm_use links for a var.
2223         (dump_immediate_uses_for): New.  Dump imm_uses for a var to file.
2224         (dump_immediate_uses): New.  Dump imm_uses for all vars to file.
2225         (debug_immediate_uses): New.  Dump imm_uses for all vars to stderr.
2226         (debug_immediate_uses_for): New.  Dump imm_uses for a var to stderr.
2227         * tree-ssa-operands.h (struct use_operand_ptr): Delete.
2228         (NULL_USE_OPERAND_P) Define.
2229         (use_optype_d, v_def_use_operand_type, vuse_optype_d): Add immediate
2230         use node.
2231         (struct vuse_operand_type): New struct.
2232         (SET_USE): Call set_ssa_use_from_ptr.
2233         (USE_STMT): Define.
2234         (PHI_ARG_INDEX_FROM_USE): Define.
2235         * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Set the phi
2236         argument via SET_USE, not PHI_ARG_DEF_TREE.
2237         * tree-ssa-pre.c (eliminate): Call update_stmt.
2238         * tree-ssa-propagate.c (cfg_blocks_get): Use imm_use iterators.  Don't
2239         call free_df.
2240         * tree-ssa-sink.c (all_immediate_uses_same_place): Use imm_use iterator.
2241         (nearest_common_dominator_of_uses): Use imm_use iterator.
2242         (statement_sink_location): Use imm_use iterator and interface.
2243         (execute_sink_code): Don't call compute_immediate_uses or free-df.
2244         * tree-ssa-threadupdate.c (create_edge_and_update_destination_phis): Use
2245         PHI_ARG_DEF, not PHI_ARG_DEF_TREE.
2246         * tree-ssa.c (verify_use, verify_phi_args): Verify some imm_use info.
2247         (verify_ssa): Ensure no stmt is marked modify after optimization pass
2248         if new parameter is true.
2249         (init_tree_ssa): Don't initialize operand cache here.
2250         (delete_tree_ssa): Don't destroy operand cache here.
2251         (propagate_into_addr): Pass in a use pointer, return true if anything
2252         was changed.
2253         (replace_immediate_uses): Use imm_use iterator, call update_stmt.
2254         (check_phi_redundancy): Use imm_use iterator.
2255         (kill_redundant_phi_nodes): Don't call compute_immediate_uses or
2256         free_df.
2257         * tree-ssanames.c (make_ssa_name): Initialize imm_use node.
2258         (release_ssa_name): Delink node and all elements in its imm_use list.
2259         * tree-tailcall.c (adjust_return_value): Call update_stmt.
2260         * tree-vect-analyze.c (vect_stmt_relevant_p): Use imm_use iterator.
2261         * tree-vectorizer.c (need_imm_uses_for): Delete.
2262         (vectorize_loops): Dont call compute_immediate_uses or free_df.
2263         * tree.h (struct ssa_imm_use_d): Define.
2264         (SSA_NAME_IMM_USE_NODE): Define.
2265         (struct tree_ssa_name): Add imm_use node.
2266         (PHI_DF): Delete.
2267         (PHI_ARG_IMM_USE_NODE): Define.
2268         (struct phi_arg_d): Add imm_use node.
2269         (struct tree_phi_node): Remove struct dataflow_d element.
2270         (TDF_STMTADDR): Define.
2271
2272 2005-04-05  Dale Johannesen  <dalej@apple.com>
2273
2274         * doc/invoke.texi (Optimization Options):  Remove
2275         duplicate -fcse-follow-jumps.  Add -fweb.
2276         (-ftree-lim):  Fix spelling (-ftree-loop-im, invariants).
2277         (-fivcanon):  Fix spelling (-ftree-loop-ivcanon).
2278
2279 2005-04-05  Per Bothner  <per@bothner.com>
2280
2281         * tree-ssa.c (execute_early_warn_uninitialized): Pass context node
2282         to talk_tree as 'data' parameter, rather than EXPR_LOCUS.
2283         (warn_uninit): Get EXPR_LOCUS from context now instead.
2284         This fixes a USE_MAPPED_LOCATION testsuite failure.
2285
2286         * tree-ssa.c (warn_uninitialized_var): Remove useless local.
2287
2288 2005-04-05  Per Bothner  <per@bothner.com>
2289
2290         * c-decl.c (finish_function): If USE_MAPPED_LOCATION set the location
2291         of the artification 'return 0' in main() to BUILTINS_LOCATION.
2292         * tree-cfg.c (remove_bb): Check that location isn't BUILTINS_LOCATION
2293         before warning.
2294
2295 2004-04-05  Devang Patel  <dpatel@apple.com>
2296
2297         * config/rs600/altivec.md (altivec_vsr<VI_char>): Rename to ..
2298         (lhsr<mode>3): ... new name.
2299         (altivec_vsra<VI_char>): Rename to ..
2300         (ashr<mode>3): ... new name.
2301         * config/rs6000/rs6000.c (builtin_description): Rename shift
2302         operations.
2303
2304 2004-04-05  Paolo Bonzini  <bonzini@gnu.org>
2305
2306         * combine.c (RTL_HOOKS_GEN_LOWPART_NO_EMIT): Use
2307         gen_lowpart_for_combine.
2308         * cse.c (gen_lowpart_if_possible): Move...
2309         * rtlhooks.c (gen_lowpart_if_possible): ... here.  Also try
2310         gen_lowpart_SUBREG.
2311         (gen_lowpart_no_emit_general): Use it.
2312
2313 2005-04-05  Eric Botcazou  <ebotcazou@libertysurf.fr>
2314
2315         * config/sparc/sparc.c (TARGET_ASM_FILE_END): Undefine before
2316         overriding.
2317
2318 2005-04-05  Paolo Bonzini  <bonzini@gnu.org>
2319
2320         * system.h: Fix typo.
2321
2322 2005-04-05  Bernd Schmidt  <bernd.schmidt@analog.com>
2323
2324         * config/bfin/bfin-modes.def: New file.
2325         * config/bfin/bfin-protos.h: New file.
2326         * config/bfin/bfin.c: New file.
2327         * config/bfin/bfin.h: New file.
2328         * config/bfin/bfin.md: New file.
2329         * config/bfin/bfin.opt: New file.
2330         * config/bfin/crti.s: New file.
2331         * config/bfin/crtn.s: New file.
2332         * config/bfin/elf.h: New file.
2333         * config/bfin/lib1funcs.asm: New file.
2334         * config/bfin/predicates.md: New file.
2335         * config/bfin/t-bfin: New file.
2336         * config/bfin/t-bfin-elf: New file.
2337         * doc/extend.texi (exception_handler, kspisusp, nesting, nmi_handler):
2338         Document new attributes.
2339         (interrupt, interrupt_handler, saveall): Update documentation for
2340         these attributes.
2341         * doc/install.texi (Specific): Add entry for the Blackfin.
2342         * doc/invoke.texi (Blackfin Options): New section.
2343         * doc/md.texi (Blackfin family): New section to document constraints.
2344         * config.gcc: Add bfin*-* and bfin*-elf configurations.
2345
2346 2005-04-05  Olivier Hainque  <hainque@adacore.com>
2347
2348         * config/mips/iris6.h (DWARF_FRAME_RETURN_COLUMN): Redefine to
2349         match what the system unwinder expects.
2350         * config/mips/mips.c (mips_frame_set): If we're saving the return
2351         address register and the dwarf return address column number differs
2352         from the hard register number, adjust the note reg to refer to the
2353         former.
2354
2355 2004-04-05  Richard Sandiford  <rsandifo@redhat.com>
2356
2357         * config/mn10300/mn10300-protos.h (mn10300_override_options): Declare.
2358         * config/mn10300/mn10300.h (target_flags, TARGET_MULT_BUG)
2359         (TARGET_SWITCHES, TARGET_DEFAULT): Delete.
2360         (processor_type): New enum.
2361         (mn10300_processor): New variable.
2362         (TARGET_AM33, TARGET_AM33_2): Redefine in terms of mn10300_processor.
2363         (PROCESSOR_DEFAULT, OVERRIDE_OPTIONS): New macros.
2364         * config/mn10300/linux.h (TARGET_SWITCHES, TARGET_DEFAULT): Delete.
2365         (PROCESSOR_DEFAULT): New macro.
2366         * config/mn10300/mn10300.c (mn10300_processor): New variable.
2367         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
2368         (mn10300_handle_option, mn10300_override_options): New functions.
2369         * config/mn10300/mn10300.opt: New file.
2370
2371 2005-04-05  Eric Botcazou  <ebotcazou@libertysurf.fr>
2372             Sebastian Pop <sebastian.pop@cri.ensmp.fr>
2373
2374         PR tree-optimization/19903
2375         * tree-chrec.c (chrec_convert): Return chrec_dont_know for constants
2376         that don't fit in their type after conversion.
2377
2378 2005-04-05  Uros Bizjak <uros@kss-loka.si>
2379
2380         PR target/20421
2381         * config/i386/i386.md (frndintxf2_floor, frndintxf2_ceil)
2382         (frndintxf2_trunc, frndintxf2_mask_pm): Add FLAGS_REG clobber.
2383         Allocate local stack slots here.  Set ix86_optimize_mode_switching.
2384         flag here. Implement using define_insn_and_split.
2385         (frndintxf2_floor_i387, frndintxf2_ceil_i387, frndintxf2_trunc_i387)
2386         (frndintxf2_mask_pm_i387): New insn patterns.
2387         (floorsf2, floordf2, floorxf2): Remove local stack slot allocations.
2388         Do not set ix86_optimize_mode_switching flag.
2389         (ceilsf2, ceildf2, ceilxf2): Same.
2390         (btruncsf2, btruncdf2, btruncxf2): Same.
2391         (nearbyintsf2, nearbyintdf2, nearbyintxf2): Same.
2392
2393 2005-04-05  Ian Lance Taylor  <ian@airs.com>
2394
2395         PR debug/9963
2396         * config/i386/cygming.h (ASM_OUTPUT_EXTERNAL): Pass DECL to
2397         i386_pe_record_external_function.
2398         (i386_pe_record_external_function): Update declaration.
2399         * config/i386/winnt.c (struct extern_list): Add decl field.
2400         (i386_pe_record_external_function): Add decl parameter.
2401         (i386_pe_file_end): Check TREE_ASM_WRITTEN on decl, not
2402         identifier.
2403         * config/i386/i386-protos.h (i386_pe_record_external_function):
2404         Update declaration.
2405
2406 2005-04-05  Kazu Hirata  <kazu@cs.umass.edu>
2407
2408         * config/m68k/m68k-protos.h: Add a prototype for
2409         valid_dbcc_comparison_p_2.
2410         * config/m68k/m68k.c (not_sp_operand, symbolic_operand,
2411         extend_operator, const_uint32_operand, const_sint32_operand,
2412         general_src_operand, nonimmediate_src_operand,
2413         memory_src_operand, post_inc_operand, pre_dec_operand,
2414         pcrel_address): Move to predicates to predicates.md.
2415         * config/m68k/m68k.h (PREDICATE_CODES): Remove.
2416         * config/m68k/m68k.md: Include predicates.md.
2417         * config/m68k/predicates.md: New.
2418
2419 2005-04-04  Roger Sayle  <roger@eyesopen.com>
2420
2421         * config/i386/i386.md (*truncdfsf2_i387_1): New pattern.
2422
2423         * fold-const.c (maybe_lvalue_p): Delete orphaned comment.
2424
2425 2005-04-04  Ian Lance Taylor  <ian@airs.com>
2426
2427         * c-typeck.c (struct c_switch): Rename switch_stmt field to
2428         switch_expr.
2429         (c_start_case): Build SWITCH_EXPR, not SWITCH_STMT.
2430         (do_case): Use SWITCH_COND rather than SWITCH_STMT_COND.
2431         (c_finish_case): Use SWITCH_BODY rather than SWITCH_STMT_BODY.
2432         Call c_do_switch_expr_warnings rather than c_do_switch_warnings.
2433         * c-common.c (c_do_switch_warnings_1): New static function broken
2434         out of c_do_switch_warnings.
2435         (c_do_switch_warnings): Call c_do_switch_warnings_1.
2436         (c_do_switch_expr_warnings): New function.
2437         * c-common.h (c_do_switch_expr_warnings): Declare.
2438
2439 2005-04-04  David Edelsohn  <edelsohn@gnu.org>
2440             Daniel Jacobowitz  <dan@codesourcery.com>
2441
2442         * tree-eh.c (tree_could_trap_p): Allow non-constant floating point
2443         trapping divide.
2444         * rtlanal.c (may_trap_p): Same.
2445
2446 2005-04-04  Dale Johannesen  <dalej@apple.com>
2447
2448         * ChangeLog:  remove reference to ChangeLog.12.
2449
2450 2005-04-05  Hans-Peter Nilsson  <hp@axis.com>
2451
2452         CRIS epilogue as RTL.
2453         * config/cris/cris.md: Change all 0 in unspec 0 to
2454         CRIS_UNSPEC_PLT.
2455         (CRIS_UNSPEC_PLT, CRIS_UNSPEC_FRAME_DEALLOC): New constants.
2456         ("*cris_load_multiple", "cris_frame_deallocated_barrier"): New
2457         patterns.
2458         ("return"): Change to define_expand.  Call cris_expand_return for
2459         actual expansion.
2460         ("*return_expanded"): New pattern.
2461         ("epilogue"): New define_expand.
2462         * config/cris/cris.h (PREDICATE_CODES): Add
2463         cris_load_multiple_op.
2464         * config/cris/cris.c (ASSERT_PLT_UNSPEC): Correct test for unspec
2465         type.
2466         (enum cris_retinsn_type): New.
2467         (struct machine_function): New member return_type.
2468         (TARGET_ASM_FUNCTION_EPILOGUE): Don't override.
2469         (cris_target_asm_function_epilogue): Remove, moving RTLified
2470         contents to...
2471         (cris_expand_epilogue): New function.
2472         (cris_reg_saved_in_regsave_area, cris_movem_load_rest_p,
2473         (cris_gen_movem_load, cris_load_multiple_op)
2474         (cris_return_address_on_stack_for_return, cris_expand_return): New
2475         functions.
2476         (cris_target_asm_function_prologue)
2477         (cris_initial_frame_pointer_offset): Call
2478         cris_reg_saved_in_regsave_area instead of complicated expression.
2479         Call cris_return_address_on_stack instead of an expression.
2480         (cris_print_operand) <case 'o', case 'O'>: New cases.
2481         (cris_return_address_on_stack): Change return-type to bool.
2482         (cris_simple_epilogue): Ditto.  Return false if registers are
2483         saved.
2484         * config/cris/cris-protos.h (cris_simple_epilogue)
2485         (cris_return_address_on_stack): Adjust prototype return type.
2486         (cris_gen_movem_load, cris_expand_epilogue, cris_expand_return)
2487         (cris_return_address_on_stack_for_return): New prototypes.
2488
2489 2005-04-04  Kazu Hirata  <kazu@cs.umass.edu>
2490
2491         * config/frv/frv.h (PREDICATE_CODES): Add CONST to
2492         gpr_or_int12_operand.
2493
2494         * config/frv/frv-protos.h: Add a prototype to
2495         frv_legitimate_memory_operand and frv_const_unspec_p.
2496         (frv_unspec): Move from frv.c.
2497         * config/frv/frv.c (frv_unspec): Move to frv-protos.h.
2498         (frv_const_unspec_p, frv_legitimate_memory_operand_): Export.
2499         (ldd_address_operand, fdpic_fptr_operand, frv_load_operand,
2500         gpr_or_fpr_operand, gpr_or_int12_operand,
2501         gpr_fpr_or_int12_operand, fpr_or_int6_operand,
2502         gpr_or_int10_operand, gpr_or_int_operand, int12_operand,
2503         int6_operand, int5_operand, uint5_operand, uint4_operand,
2504         uint1_operand, int_2word_operand, uint16_operand,
2505         upper_int16_operand, integer_register_operand,
2506         gpr_no_subreg_operand, fpr_operand, even_reg_operand,
2507         odd_reg_operand, even_gpr_operand, odd_gpr_operand,
2508         quad_fpr_operand, even_fpr_operand, odd_fpr_operand,
2509         dbl_memory_one_insn_operand, dbl_memory_two_insn_operand,
2510         move_destination_operand, movcc_fp_destination_operand,
2511         frv_function_symbol_referenced_p, move_source_operand,
2512         condexec_dest_operand, condexec_source_operand,
2513         reg_or_0_operand, lr_operand, fdpic_operand, got12_operand,
2514         const_unspec_operand, gpr_or_memory_operand,
2515         gpr_or_memory_operand_with_scratch, fpr_or_memory_operand,
2516         icc_operand, fcc_operand, cc_operand, icr_operand,
2517         fcr_operand, cr_operand, call_operand, sibcall_operand,
2518         symbolic_operand, relational_operator,
2519         integer_relational_operator, float_relational_operator,
2520         ccr_eqne_operator, minmax_operator,
2521         condexec_si_binary_operator, condexec_si_media_operator,
2522         condexec_si_divide_operator, condexec_si_unary_operator,
2523         condexec_sf_conv_operator, condexec_sf_add_operator,
2524         condexec_memory_operand, intop_compare_operator, acc_operand,
2525         even_acc_operand, quad_acc_operand, accg_operand: Move to
2526         predicates.md.
2527         * config/frv/frv.h (PREDICATE_CODES): Remove.
2528         * config/frv/frv.md: Include predicates.md.
2529         * config/frv/predicates.md: New.
2530
2531 2004-04-04  Richard Sandiford  <rsandifo@redhat.com>
2532
2533         PR target/19537
2534         * Makefile.in (tree-ssa-loop-ivopts.o): Depend on langhooks.h.
2535         * tree-ssa-loop-ivopts.c: Include langhooks.h.
2536         (add_standard_iv_candidates_for_size): New function, extracting code
2537         from add_standard_iv_candidates and parameterizing it by type size.
2538         (add_standard_iv_candidates): Use add_standard_iv_candidates_for_size.
2539
2540 2004-04-04  Richard Sandiford  <rsandifo@redhat.com>
2541
2542         * system.h (GCOV_SIZE_TYPE): Unposion.
2543         * gcov-io.h (GCOV_TYPE_NODE): Delete, replacing with...
2544         (GCOV_TYPE_SIZE): ...this new macro.
2545         * coverage.h (get_gcov_type, GCOV_TYPE_NODE): Declare.
2546         * coverage.c (get_gcov_type, get_gcov_unsigned_t): New functions.
2547         (rtl_coverage_counter_ref): Use GCOV_TYPE_SIZE.
2548         (build_fn_info_type, build_fn_info_value, build_ctr_info_type)
2549         (build_ctr_info_value, build_gcov_info): Use get_gcov_unsigned_t
2550         instead of unsigned_intSI_type_node.
2551         * rtl-profile.c (rtl_gen_interval_profiler, rtl_gen_pow2_profiler)
2552         (rtl_gen_one_value_profiler_no_edge_manipulation)
2553         (rtl_gen_const_delta_profiler): Use GCOV_TYPE_SIZE.
2554         * value-prof.c: Include coverage.h.
2555
2556 2005-04-02  Daniel Berlin  <dberlin@dberlin.org>
2557             Diego Novillo <dnovillo@redhat.com>
2558
2559         Fix PR tree-optimization/20703
2560         Fix PR tree-optimization/20725
2561
2562         * tree-ssa-pre.c (phi_translate): Handle tcc_comparison.
2563         (create_expression_by_pieces): Ditto.
2564         (valid_in_set): Ditto. Also handle tcc_declaration.
2565         (find_or_generate_expression): Handle comparison class.
2566         (insert_into_preds_of_block): Ditto.
2567         (insert_aux): Ditto.
2568         (create_value_expr_from): Handle comparison class, recursively
2569         handle reference nodes.
2570         (compute_avail): Handle comparison classes, rewrite a little cleaner.
2571         (execute_pre): Fix spacing.
2572         (do_fre): Renamed to execute_fre.
2573
2574 2005-04-04  Eric Botcazou  <ebotcazou@libertysurf.fr>
2575
2576         * doc/invoke.texi (SPARC options): Document that
2577         -mlittle-endian is not supported on Linux either.
2578
2579 2005-04-04  Eric Botcazou  <ebotcazou@libertysurf.fr>
2580
2581         PR target/4198
2582         PR target/12027
2583         * config.gcc (Obsolete configurations): Remove
2584         sparclite-*-coff*, sparclite-*-elf* and sparc86x-*-elf*.
2585         (sparclite-*-coff*): Delete.
2586         (sparclite-*-elf*): Likewise.
2587         (sparc86x-*-elf*): Likewise.
2588         (target_cpu_default) <sparc*-*-*>: Remove sparc86x.
2589         * config/sparc/lite.h: Delete.
2590         * config/sparc/litecoff.h: Likewise.
2591         * config/sparc/liteelf.h: Likewise.
2592         * config/sparc/sp86x-elf.h: Likewise.
2593         * config/sparc/t-sparclite: Likewise.
2594         * config/sparc/t-sp86x: Likewise.
2595
2596 2005-04-04  Adrian Straetling  <straetling@de.ibm.com>
2597
2598         * config/s390/s390-protos.h: (s390_comparison,
2599         s390_alc_comparison, s390_slb_comparison, const0_operand,
2600         consttable_operand, larl_operand, s_operand,
2601         shift_count_operand, bras_sym_operand, load_multiple_operation,
2602         store_multiple_operation, s390_plus_operand): Remove prototypes.
2603         (s390_legitimate_address_without_index_p): New prototype.
2604         * config/s390/s390.c: (SYMBOL_FLAG_ALIGN1, DISP_IN_RANGE): Move
2605         to s390.h.
2606         (s390_comparison, s390_alc_comparison, s390_slb_comparison,
2607         const0_operand, consttable_operand, larl_operand, s_operand,
2608         shift_count_operand, bras_sym_operand, load_multiple_operation,
2609         store_multiple_operation, s390_plus_operand): Move to
2610         predicates.md.
2611         (check_mode): Remove.
2612         (s390_branch_condition_mask): Remove 'static'. Move prototype to
2613         s390-protos.h.
2614         (s390_legitimate_address_without_index_p): New.
2615         * config/s390/s390.h (PREDICATE_CODES): Remove.
2616         * config/s390/s390.md: Include predicates.md.
2617         * config/s390/predicates.md: New.
2618
2619 2005-04-04  Eric Botcazou  <ebotcazou@libertysurf.fr>
2620
2621         PR target/20446
2622         * config/sparc/sparc.h (NEED_INDICATE_EXEC_STACK): Define to 0.
2623         * config/sparc/linux.h (TARGET_ASM_FILE_END): Delete.
2624         (NEED_INDICATE_EXEC_STACK): Define to 1.
2625         * config/sparc/linux64.h (TARGET_ASM_FILE_END): Delete.
2626         (NEED_INDICATE_EXEC_STACK): Define to 1.
2627         * config/sparc/sparc.c (TARGET_ASM_FILE_END): Set to sparc_file_end.
2628         (add_pc_to_pic_symbol): Rename into pic_helper_symbol.
2629         (add_pc_to_pic_symbol_name): Rename into pic_helper_symbol_name.
2630         (pic_helper_emitted_p): New global.
2631         (emit_pic_helper): New function extracted from...
2632         (load_pic_register): ...here.  Add 'delay_pic_helper' parameter.
2633         Do not call emit_pic_helper if delay_pic_helper is true.
2634         (sparc_expand_prologue): Pass 'false' to load_pic_register.
2635         (sparc_output_mi_thunk): Pass 'true' to load_pic_register.
2636         (sparc_file_end): New function.
2637
2638 2005-04-04  Kazu Hirata  <kazu@cs.umass.edu>
2639
2640         * config/mcore/mcore-protos.h: Remove the prototypes for
2641         mcore_arith_reg_operand, mcore_general_movsrc_operand,
2642         mcore_general_movdst_operand, mcore_reload_operand,
2643         mcore_arith_J_operand, mcore_arith_K_operand,
2644         mcore_arith_K_operand_not_0, mcore_arith_M_operand,
2645         mcore_arith_K_S_operand, mcore_arith_imm_operand,
2646         mcore_arith_any_imm_operand, mcore_arith_O_operand,
2647         mcore_literal_K_operand, mcore_addsub_operand,
2648         mcore_compare_operand, mcore_load_multiple_operation,
2649         mcore_store_multiple_operation, mcore_call_address_operand.
2650         Add a prototype for const_ok_for_mcore.
2651         * config/mcore/mcore.c (mcore_call_address_operand,
2652         mcore_general_movsrc_operand, mcore_general_movdst_operand,
2653         mcore_arith_reg_operand, mcore_reload_operand,
2654         mcore_arith_J_operand, mcore_arith_K_operand,
2655         mcore_arith_K_operand_not_0, mcore_arith_K_S_operand,
2656         mcore_arith_M_operand, mcore_arith_imm_operand,
2657         mcore_arith_any_imm_operand, mcore_arith_O_operand,
2658         mcore_literal_K_operand, mcore_addsub_operand,
2659         mcore_compare_operand, mcore_load_multiple_operation,
2660         mcore_store_multiple_operation): Move to predicates.md.
2661         (const_ok_for_mcore): Export.
2662         * config/mcore/mcore.h (PREDICATE_CODES): Remove.
2663         * config/mcore/mcore.md: Include predicates.md.
2664         * config/mcore/predicates.md: New.
2665
2666         * config/mcore/predicates.md: Fix a comment typo.
2667
2668 2005-04-04  Andreas Krebbel  <krebbel1@de.ibm.com>
2669             Adrian Straetling  <straetling@de.ibm.com>
2670
2671         * config/s390/2064.md ("z_mul", "z_inf"): New insn reservations.
2672         * config/s390/2084.md ("x_mul_hi", "x_mul_sidi", "x_div"): Likewise.
2673         * config/s390/s390.md ("imulhi", "imulsi", "imuldi"): Added to "type"
2674         attribute.
2675         ("imul"): Removed from "type" attribute.
2676         ("*muldi3_sign", "muldi3"): Changed type to imuldi.
2677         ("mulsi3/1", "mulsi3/3", "mulsi/4", "mulsidi3", "umulsidi3"):
2678         Changed type to imulsi.
2679         ("*mulsi3_sign", "mulsi3/2"): Changed type to imulhi.
2680
2681 2005-04-04  Richard Sandiford  <rsandifo@redhat.com>
2682
2683         * config/mcore/mcore.h (target_flags, HARDLIT_BIT, ALIGN8_BIT, DIV_BIT)
2684         (RELAX_IMM_BIT, W_FIELD_BIT, OVERALIGN_FUNC_BIT, CGDATA_BIT)
2685         (SLOW_BYTES_BIT, LITTLE_END_BIT, M340_BIT, TARGET_HARDLIT)
2686         (TARGET_DIV, TARGET_RELAX_IMM, TARGET_W_FIELD, TARGET_OVERALIGN_FUNC)
2687         (TARGET_CG_DATA, TARGET_SLOW_BYTES, TARGET_LITTLE_END, TARGET_M340)
2688         (TARGET_SWITCHES, mcore_stack_increment_string)
2689         (TARGET_OPTIONS): Delete.
2690         (TARGET_DEFAULT, OPTIMIZATION_OPTIONS): Use MASK_* constants rather
2691         than *_BIT constants.
2692         (TARGET_8ALIGN): #undef old definition before redefining to 1.
2693         * config/mcore/mcore.c (mcore_stack_increment_string): Delete.
2694         (TARGET_DEFAULT_TARGET_FLAGS): Override default to TARGET_DEFAULT.
2695         (mcore_override_options): Delete mcore_stack_increment code.
2696         Change use of M340_BIT to MASK_M340.
2697         * config/mcore/mcore.opt: New file.
2698
2699 2005-04-04  Ian Lance Taylor  <ian@airs.com>
2700
2701         * config/arm/arm.c (replace_symbols_in_block): Remove static
2702         function.
2703
2704 2005-04-04  Kazu Hirata  <kazu@cs.umass.edu>
2705
2706         * config/fr30/fr30-protos.h: Remove the prototypes for
2707         stack_add_operand, add_immediate_operand,
2708         high_register_operand, low_register_operand, call_operand,
2709         di_operand, and nonimmediate_di_operand.
2710         * config/fr30/fr30.c (stack_add_operand,
2711         add_immediate_operand, high_register_operand,
2712         low_register_operand, call_operand, di_operand,
2713         nonimmediate_di_operand): Move to predicates.md.
2714         * config/fr30/fr30.h (PREDICATE_CODES): Remove.
2715         * config/fr30/fr30.md: Include predicates.md.
2716         * config/fr30/predicates.md: New.
2717
2718         * config/mcore/mcore.h (PREDICATE_CODES): Add SYMBOL_REF and
2719         LABEL_REF to mcore_general_movsrc_operand.  Add SYMBOL_REF to
2720         mcore_call_address_operand.
2721
2722         * config/sh/sh.h (PREDICATE_CODES): Add CONST to
2723         general_movsrc_operand.
2724
2725 2005-04-04  Alan Modra  <amodra@bigpond.net.au>
2726
2727         * passes.c (rest_of_handle_final): NULL unlikely_text_section_name
2728         after freeing.
2729
2730 2005-04-04  Richard Earnshaw  <richard.earnshaw@arm.com>
2731
2732         PR target/14812
2733         * arm.c (arm_select_cc_mode): Return CC_Zmode when comparing against
2734         a negated value.
2735
2736 2005-04-04  Richard Henderson  <rth@redhat.com>
2737             Jakub Jelinek  <jakub@redhat.com>
2738
2739         PR rtl-optimization/16104
2740         * fold-const.c (fold_unary): Fix folding of vector conversions.
2741
2742 2005-04-04  Richard Sandiford  <rsandifo@redhat.com>
2743
2744         * config.gcc (xstormy16-*-elf): Set extra_options.
2745         * config/stormy16/stormy16.h (target_flags, TARGET_SWITCHES): Delete.
2746         * config/stormy16/stormy16.opt: New file.
2747
2748 2005-04-04  Richard Sandiford  <rsandifo@redhat.com>
2749
2750         * config/pdp11/pdp11.h (target_flags, TARGET_SWITCHES, TARGET_DEFAULT)
2751         (TARGET_FPU, TARGET_SOFT_FLOAT, TARGET_AC0, TARGET_NO_AC0, TARGET_45)
2752         (TARGET_BCOPY_BUILTIN, TARGET_INT16, TARGET_INT32, TARGET_FLOAT32)
2753         (TARGET_FLOAT64, TARGET_ABSHI_BUILTIN, TARGET_BRANCH_EXPENSIVE)
2754         (TARGET_BRANCH_CHEAP, TARGET_SPLIT, TARGET_NOSPLIT)
2755         (TARGET_UNIX_ASM): Delete.
2756         (TARGET_40_PLUS): Redefine in terms of TARGET_40 and TARGET_45.
2757         * config/pdp11/2bsd.h (TARGET_UNIX_ASM_DEFAULT): Use MASK_UNIX_ASM.
2758         * config/pdp11/pdp11.c (pdp11_handle_option): New function.
2759         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
2760         * config/pdp11/pdp11.opt: New file.
2761
2762 2005-04-03  Roger Sayle  <roger@eyesopen.com>
2763             Alexandre Oliva  <aoliva@redhat.com>
2764
2765         PR c++/19199
2766         * fold-const.c (non_lvalue): Split tests into...
2767         (maybe_lvalue_p): New function.
2768         (fold_cond_expr_with_comparison): Preserve lvalue-ness for the
2769         C++ front-end prior to lowering into gimple form.
2770
2771 2005-04-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2772
2773         * builtins.def (BUILT_IN_STPNCPY, BUILT_IN_STRCASECMP,
2774         BUILT_IN_STRNCASECMP): New.
2775         * doc/extend.texi: Document stpncpy, strcasecmp, strncasecmp
2776         and strndup.
2777
2778 2005-04-03  Richard Earnshaw  <richard.earnshaw@arm.com>
2779
2780         PR target/14812
2781         * arm.md (addsi3_compare0_for_combiner): Delete.
2782         (addsi3_compare0_scratch_for_combiner): Delete.
2783         (cmpsi_neg_shiftsi): Delete.
2784         (compare_negsi_si): New pattern.
2785         (cmpsi_negshiftsi_si): New pattern.
2786         (negated_cbranchsi4): Restrict to equality_operator.
2787
2788         * arm.md (movhi_insn_arch4): delete trailing white space from assembler
2789         template.
2790
2791 2005-04-03  Kazu Hirata  <kazu@cs.umass.edu>
2792
2793         * cfghooks.c, cfgrtl.c, modulo-sched.c, config/i386/winnt.c:
2794         Fix comment typos.
2795
2796         * doc/install.texi: Fix a typo.
2797
2798 2005-04-03  Steven Bosscher  <stevenb@suse.de>
2799
2800         PR middle-end/20648
2801         * bb-reorder.c (duplicate_computed_gotos): Do not unfactor
2802         a computed goto if the edge to the computed goto block has
2803         incoming abnormal edges.  Clarify how the function works.
2804
2805 2005-04-03  Nathan Sidwell  <nathan@codesourcery.com>
2806
2807         * params.c (set_param_value): Use gcc_assert & gcc_unreachable.
2808         * passes.c (open_dump_file, rest_of_handle_final): Likewise.
2809         * postreload-gcse.c (expr_equiv_p, oprs_unchanged_p,
2810         hash_scan_set, reg_set_between_after_reload_p,
2811         reg_used_between_after_reload_p, get_avail_load_store_reg,
2812         eliminate_partially_redundant_load): Likewise.
2813         * postreload.c (reload_cse_simplify_set,
2814         reload_combine_note_use): Likewise.
2815         * predict.c (predict_insn, expected_value_to_br_prob,
2816         propagate_freq, expensive_function_p): Likewise.
2817         * print-rtl.c (print_rtx): Likewise.
2818         * profile.c (instrument_edges, instrument_values,
2819         compute_branch_probabilities, branch_prob, union_groups,
2820         tree_register_profile_hooks, rtl_register_profile_hooks): Likewise.
2821         * protoize.c (in_system_include_dir, file_could_be_converted,
2822         file_normally_convertible, gen_aux_info_file, seek_to_line,
2823         do_cleaning): Likewise.
2824         * tree-ssa-alias.c (collect_points_to_info_r): Likewise.
2825         * tree-ssa-ccp.c (execute_fold_all_builtins): Likewise.
2826         * tree-ssa-loop-ivopts.c (produce_memory_decl_rtl): Likewise.
2827
2828 2005-04-03 Mostafa Hagog <mustafa@il.ibm.com>
2829
2830         * cfg.c (clear_bb_flags): Don't clear BB_DISABLE_SCHEDULE.
2831         * modulo-sched.c (undo_replace_buff_elem): New structure.
2832         (kernel_number_of_cycles, ps_unschedule_node,
2833         undo_generate_reg_moves,free_undo_replace_buff,
2834         undo_permute_partial_schedule,  loop_single_full_bb_p,
2835         SIMPLE_SMS_LOOP_P, loop_canon_p, canon_loop,
2836         build_loops_structure, get_sched_window): New.
2837         (generate_reg_moves): Return undo_replace_buff_elem and other
2838         fixes.
2839         (generate_prolog_epilog): Remove old loop versioning.
2840         (sms_schedule): Use loop information and loop_version.
2841         (sms_schedule_by_order): Split part of it to get_sched_window.
2842         * passes.c (rest_of_handle_sms): call cfg_layout_initialize
2843         cfg_layout_finalize and free_dominance_info before/after SMS.
2844
2845 2005-04-03 Mostafa Hagog <mustafa@il.ibm.com>
2846
2847         * cfghooks.c (lv_flush_pending_stmts,
2848         cfg_hook_duplicate_loop_to_header_edge, extract_cond_bb_edges,
2849         lv_adjust_loop_header_phi, lv_add_condition_to_bb): New.
2850         * cfghooks.h (cfg_hook_duplicate_loop_to_header_edge,
2851         lv_add_condition_to_bb,
2852         lv_adjust_loop_header_phi, extract_cond_bb_edges,
2853         flush_pending_stmts): New in cfg_hooks structure.
2854         (cfg_hook_duplicate_loop_to_header_edge, lv_flush_pending_stmts,
2855         extract_cond_bb_edges, lv_adjust_loop_header_phi,
2856         lv_add_condition_to_bb): New declarations.
2857         * cfgloop.h (duplicate_loop_to_header_edge): Change return type to
2858         bool.
2859         (loop_version): Declare.
2860         * cfgloopmanip.c (cfghooks.h): Include.
2861         (duplicate_loop_to_header_edge): Change return type to bool.
2862         (loop_version, lv_adjust_loop_entry_edge): Move here.
2863         * cfgrtl.c (cfgloop.h): Include.
2864         (rtl_verify_flow_info_1): Fix.
2865         (rtl_lv_add_condition_to_bb, rtl_extract_cond_bb_edges): New.
2866         (rtl_cfg_hooks, cfg_layout_rtl_cfg_hook): Add hooks to
2867         initialization.
2868         * tree-cfg.c (tree_lv_adjust_loop_header_phi,
2869         tree_lv_add_condition_to_bb): New.
2870         (tree_cfg_hooks): Add new hooks to initialization.
2871         * tree-ssa-loop-manip.c (lv_adjust_loop_header_phi,
2872         lv_adjust_loop_entry_edge, tree_ssa_loop_version): Remove.
2873
2874 2005-04-03  Kazu Hirata  <kazu@cs.umass.edu>
2875
2876         * config/stormy16/stormy16.h (PREDICATE_CODES): Add SUBREG to
2877         xstormy16_below100_or_register,
2878         xstormy16_splittable_below100_or_register, and
2879         nonimmediate_nonstack_operand.
2880
2881         * config/stormy16/stormy16-protos.h: Remove the prototypes for
2882         xstormy16_ineqsi_operator, equality_operator,
2883         inequality_operator, shift_operator,
2884         xstormy16_below100_operand, xstormy16_below100_or_register,
2885         xstormy16_splittable_below100_or_register,
2886         xstormy16_onebit_set_operand, xstormy16_onebit_clr_operand.
2887         * config/stormy16/stormy16.c (xstormy16_ineqsi_operator,
2888         equality_operator, inequality_operator,
2889         xstormy16_below100_operand, xstormy16_below100_or_register,
2890         xstormy16_splittable_below100_or_register,
2891         xstormy16_onebit_set_operand, xstormy16_onebit_clr_operand,
2892         nonimmediate_nonstack_operand, shift_operator): Move to
2893         predicates.md.
2894         * config/stormy16/stormy16.h (PREDICATE_CODES): Remove.
2895         * config/stormy16/stormy16.md: Include predicates.md.
2896         * config/stormy16/predicates.md: New.
2897
2898 2005-04-02  Kazu Hirata  <kazu@cs.umass.edu>
2899
2900         * config/iq2000/iq2000.c (uns_arith_operand, arith_operand,
2901         small_int, large_int, reg_or_0_operand, simple_memory_operand,
2902         equality_op, cmp_op, pc_or_label_operand, call_insn_operand,
2903         move_operand, power_of_2_operand): Move to predicates.md.
2904         * config/iq2000/iq2000.h (SPECIAL_MODE_PREDICATES,
2905         PREDICATE_CODE): Remove.
2906         * config/iq2000/iq2000.md: Include predicates.md.
2907         * config/iq2000/predicates.md: New.
2908
2909 2005-04-02  Richard Sandiford  <rsandifo@redhat.com>
2910
2911         * config/m68hc11/m68hc11.h (target_flags, MASK_SHORT)
2912         (MASK_AUTO_INC_DEC, MASK_M6811, MASK_M6812, MASK_M68S12)
2913         (MASK_NO_DIRECT_MODE, MASK_MIN_MAX, MASK_LONG_CALLS)
2914         (TARGET_SHORT, TARGET_M6811, TARGET_M6812, TARGET_M68S12)
2915         (TARGET_AUTO_INC_DEC, TARGET_MIN_MAX, TARGET_NO_DIRECT_MODE)
2916         (TARGET_LONG_CALLS, TARGET_SWITCHES, TARGET_OPTIONS)
2917         (SUBTARGET_SWITCHES, SUBTARGET_OPTIONS, m68hc11_regparm_string)
2918         (m68hc11_reg_alloc_order, m68hc11_soft_reg_count)
2919         (TARGET_M68HC11): Delete.
2920         (TARGET_DEFAULT): Change the default setting from MASK_M6811 to 0.
2921         * config/m68hc11/m68hc12.h (TARGET_M68HC12): Delete.
2922         * config/m68hc11/m68hc11.c (m68hc11_regparm_string)
2923         (m68hc11_reg_alloc_order, m68hc11_soft_reg_count)
2924         (nb_soft_regs): Delete.
2925         (TARGET_DEFAULT_TARGET_FLAGS): Override default with TARGET_DEFAULT.
2926         (m68hc11_override_options): Remove the code that caters for MASK_M6811
2927         and MASK_M6812 being set simultaneously.  Change the code that sets
2928         the default m68hc11_soft_reg_count to use integers instead of strings.
2929         (m68hc11_conditional_register_usage, hard_regno_mode_ok): Use
2930         m68hc11_soft_reg_count (which now has an int type) as the number
2931         of soft registers.
2932         * config/m68hc11/m68hc11.opt: New file.
2933
2934 2005-04-02  Kazu Hirata  <kazu@cs.umass.edu>
2935
2936         * config/fr30/fr30.h (PREDICATE_CODES): Remove
2937         fp_displacement_operand, sp_displacement_operand.
2938
2939         * config/m68hc11/m68hc11-protos.h: Add a prototype for
2940         m68hcc_auto_inc_p.
2941         Remove the prototypes for tst_operand, cmp_operand,
2942         stack_register_operand, d_register_operand,
2943         hard_addr_reg_operand, splitable_operand,
2944         m68hc11_logical_operator, m68hc11_arith_operator,
2945         m68hc11_non_shift_operator, m68hc11_shift_operator,
2946         m68hc11_unary_operator, m68hc11_eq_compare_operator,
2947         non_push_operand, hard_reg_operand, and
2948         reg_or_some_mem_operand.
2949         * config/m68hc11/m68hc11.c (m68hcc_auto_inc_p): Make it
2950         extern.
2951         (tst_operand, cmp_operand, non_push_operand,
2952         splitable_operand, reg_or_some_mem_operand,
2953         stack_register_operand, d_register_operand,
2954         hard_addr_reg_operand, hard_reg_operand,
2955         m68hc11_eq_compare_operator, m68hc11_logical_operator,
2956         m68hc11_arith_operator, m68hc11_non_shift_operator,
2957         m68hc11_shift_operator, m68hc11_unary_operator): Move to
2958         predicates.md.
2959         * config/m68hc11/m68hc11.h (PREDICATE_CODES): Remove.
2960         * config/m68hc11/m68hc11.md: Include predicates.md.
2961         * config/m68hc11/predicates.md: New.
2962
2963 2005-04-02  Alexandre Oliva  <aoliva@redhat.com>
2964
2965         PR debug/19345
2966         * dwarf2out.c (add_abstract_origin_attribute): Revert accidental
2967         change checked in along with 2005-03-03's patch for debug/20253.
2968         * tree-inline.c (remap_type): Remap TYPE_STUB_DECL.
2969         (remap_decl): Insert type decl in map earlier.
2970
2971 2005-04-02  Alexandre Oliva  <aoliva@redhat.com>
2972
2973         PR tree-optimization/20640
2974         * tree-ssa-dce.c (remove_dead_stmt): Don't redirect edge to
2975         post-dominator if it has phi nodes.
2976         (eliminate_unnecessary_stmts): Remove dead phis in all blocks
2977         before dead statements.
2978
2979 2005-04-02  Alexandre Oliva  <aoliva@redhat.com>
2980
2981         PR middle-end/20491
2982         * final.c (alter_subreg): Don't call subreg_regno for a non-REG.
2983
2984 2005-04-02  Alexandre Oliva  <aoliva@redhat.com>
2985
2986         PR rtl-optimization/20290
2987         * loop.c (for_each_insn_in_loop): Don't assume the loop body runs
2988         in every iteration if the entry point is the exit test.
2989
2990 2005-04-02  Hans-Peter Nilsson  <hp@axis.com>
2991
2992         * config/cris/cris.md (attribute "length"): Define.
2993
2994 2005-04-02  Geoffrey Keating  <geoffk@apple.com>
2995
2996         * config/rs6000/predicates.md (indexed_or_indirect_operand): New.
2997         (word_offset_memref_operand): New.
2998         * config/rs6000/rs6000-protos.h (word_offset_memref_operand): Delete.
2999         (indexed_or_indirect_operand): Delete.
3000         * config/rs6000/rs6000.c (word_offset_memref_operand): Delete.
3001         (indexed_or_indirect_operand): Delete.
3002
3003         * config/rs6000/t-darwin8: Comment out ppc64 multilib.
3004
3005         PR 20650
3006         * config/rs6000/rs6000.md (fix_truncdfsi2): Make destination
3007         a register.
3008
3009         * config/rs6000/t-darwin (TARGET_LIBGCC2_CFLAGS): Add -pipe.
3010         * config/t-darwin (TARGET_LIBGCC2_CFLAGS): Likewise.
3011
3012 2005-04-01  Jan-Benedict Glaw  <jbglaw@lug-owl.de>
3013
3014         * gcc/config/vax/vax.md: Spellcheck, fix whitespace.
3015
3016 2005-04-01  Ian Lance Taylor  <ian@airs.com>
3017
3018         * gcc.c: Don't include <sys/resource.h> or declare getrusage.
3019         (rus, prus): Remove static variables.
3020         (execute): Use pex_run/pex_get_status rather than pexecute/pwait.
3021         (process_command): Permit report_times and use_pipes together.
3022
3023 2005-04-01  Joseph S. Myers  <joseph@codesourcery.com>
3024
3025         * c-decl.c (validate_proto_after_old_defn): Look at
3026         TYPE_MAIN_VARIANT of argument types.
3027
3028 2005-04-01  Paul Brook  <paul@codesourcery.com>
3029
3030         * config/arm/arm.c (thumb_call_via_label): Include space for SP.
3031         (arm_output_function_epilogue): Allow call_via_SP.
3032         (thumb_call_via_reg, arm_file_end): Ditto.
3033         * config/arm/arm.h (struct machine_function): Include space for SP.
3034         (thumb_call_via_label): Update declaration.
3035
3036 2005-04-01  Ian Lance Taylor  <ian@airs.com>
3037
3038         * final.c (final_scan_insn): Revert part of 2005-03-30 patch: when
3039         doing a peephole optimization, once again put any notes in the
3040         proper position.
3041
3042 2005-04-01  Kazu Hirata  <kazu@cs.umass.edu>
3043
3044         * bb-reorder.c, fold-const.c, varasm.c: Fix comment typos.
3045
3046 2005-04-01  Nathan Sidwell  <nathan@codesourcery.com>
3047
3048         * local-alloc.c (update_equiv_regs): Use gcc_assert, gcc_unreachable.
3049         (block_alloc, find_free_reg): Likewise.
3050         * loop-doloop.c (doloop_modify): Likewise.
3051         * loop-invariant.c (record_use): Likewise.
3052         * loop-iv.c (get_biv_step_1, get_biv_step, iv_analyze,
3053         get_iv_value, canon_condition, eliminate_implied_condition,
3054         eliminate_implied_condition, simplify_using_initial_values,
3055         shorten_into_mode, canonicalize_iv_subregs,
3056         iv_number_of_iterations): Likewise.
3057         * loop-unroll.c (expand_var_during_unrolling): Likewise.
3058         * loop-unswitch.c (compare_and_jump_seq, unswitch_single_loop,
3059         unswitch_loop): Likewise.
3060         * loop.c (INSN_LUID, loop_optimize, rtx_equal_for_loop_p,
3061         move_movables, replace_call_address, find_and_verify_loops,
3062         rtx_equal_for_prefetch_p, fold_rtx_mult_add, loop_iterations,
3063         record_giv, final_giv_value, general_induction_var,
3064         simplify_giv_expr, extension_within_bounds_p, try_copy_prop,
3065         loop_giv_dump): Likewise.
3066
3067         * gcov-io.h (GCOV_CHECK, GCOV_CHECK_READING,
3068         GCOV_CHECK_WRITING): Remove.
3069         (gcov_position, gcov_rewrite): Use gcc_assert.
3070         * gcov-io.c (gcov_open, gcov_write_words, gcov_write_length,
3071         gcov_read_words, gcov_sync, gcov_seek): Use gcc_assert.
3072         * libgcov.c (__gcov_merge_single, __gcov_merge_delta): Use
3073         gcc_assert.
3074
3075 2005-04-01  Kazu Hirata  <kazu@cs.umass.edu>
3076
3077         * tree-inline.c: Fix a typo.
3078
3079 2005-04-01  Nathan Sidwell  <nathan@codesourcery.com>
3080
3081         * configure.ac (enable-checking): Explicitly set all variables for
3082         collective switch values.  Alphabetize variables. Rename
3083         ac_checking_valgrind to ac_valgrind_checking.  Allow 'none' as
3084         synonym for 'no'.
3085         * doc/install.texi (enable-checking): Update documentation.
3086         * configure: Rebuilt.
3087
3088 2005-04-01  Kazu Hirata  <kazu@cs.umass.edu>
3089
3090         * tree-inline.c (copy_body_r): Use CONSTANT_CLASS_P where
3091         possible.
3092
3093 2005-04-01  Richard Earnshaw  <richard.earnshaw@arm.com>
3094
3095         * arm.c (adjacent_mem_locations): Reject volatile memory refs.
3096         Also reject cases where this pattern will cause load delay stalls
3097         unless optimizing for size and it will produce a shorter sequence.
3098         * arm.md (arith_adjacent_mem): Make better use of ldm addressing
3099         variants to avoid pre-adjusting the base when possible.
3100
3101 2005-04-01  Richard Earnshaw  <richard.earnshaw@arm.com>
3102
3103         * arm.md (minmax_arithsi): Reject all eliminable registers, not just
3104         the frame and argument pointers.
3105         (strqi_preinc, strqi_predec, loadqi_preinc, loadqi_predec): Likewise.
3106         (loadqisi_preinc, loadqisi_predec, strsi_preinc): Likewise.
3107         (strsi_predec, loadsi_preinc, loadsi_predec): Likewise.
3108         (strqi_shiftpreinc, strqi_shiftpredec, loadqi_shiftpreinc): Likewise.
3109         (loadqi_shiftpredec, strsi_shiftpreinc, strsi_shiftpredec): Likewise.
3110         (loadsi_shiftpreinc, loadsi_shiftpredec): Likewise.
3111
3112 2005-04-01  Danny Smith  <dannysmith@users.sourceforge.net>
3113
3114         * config/i386/cygming.h (SUBTARGET_ATTRIBUTE_TABLE): Define,
3115         with entry for selectany attribute.
3116         * config/i386/i386-protos.h (ix86_handle_selectany_attribute):
3117         Declare.
3118         * config/i386/winnt.c (ix86_handle_selectany_attribute): Define.
3119         (i386_pe_asm_named_section): Handle sections generated by
3120         selectany attribute.
3121         * doc/extend.texi (selectany): Document attribute.
3122
3123 2005-04-01  Paolo Bonzini  <bonzini@gnu.org>
3124             Jan Hubicka  <jh@suse.cz>
3125
3126         * config/i386/i386.c (ix86_decompose_address): Look inside SUBREGs
3127         to fix addresses involving EBP and ESP.
3128         (aligned_operand, legitimate_address_p, ix86_address_cost): Be prepared
3129         for SUBREGed registers.
3130         (legitimate_address_p): Accept SUBREGed registers.
3131
3132 2005-04-01  Jakub Jelinek  <jakub@redhat.com>
3133
3134         PR c++/19406
3135         * dwarf2out.c (gen_type_die_for_member): Handle FIELD_DECL.
3136         (dwarf2out_imported_module_or_decl): Use gen_type_die_for_member
3137         for FIELD_DECLs.
3138
3139 2005-04-01  Kazu Hirata  <kazu@cs.umass.edu>
3140
3141         * doc/contrib.texi, doc/invoke.texi, doc/tm.texi: Fix typos.
3142
3143 2005-04-01  James E Wilson  <wilson@specifixinc.com>
3144
3145         PR c++/20505
3146         * dwarf2out.c (rtl_for_decl_init): New function.
3147         (rtl_for_decl_location): Extracted from here.
3148         (tree_add_const_value_attribute): Call rtl_for_decl_init and
3149         add_const_value_attribute.  Delete initializer_constant_valid_p call.
3150
3151 2005-04-01  Kazu Hirata  <kazu@cs.umass.edu>
3152
3153         * cgraphunit.c, dbxout.c, flow.c, gcse.c, gimplify.c,
3154         lambda-code.c, loop.c, machmode.def, mips-tfile.c,
3155         modulo-sched.c, passes.c, postreload-gcse.c, tree-eh.c,
3156         tree-ssa-ccp.c, varasm.c, config/frv/frv.c, config/frv/frv.h,
3157         config/frv/frv.md, config/i386/i386.c, config/i386/i386.h,
3158         config/i386/i386.md, config/rs6000/predicates.md,
3159         config/rs6000/rs6000.c, config/s390/fixdfdi.h,
3160         config/s390/s390.c, config/stormy16/stormy16.c,
3161         config/stormy16/stormy16.md, config/vax/vax.md: Fix comment
3162         typos.
3163
3164 2005-04-01  Joseph S. Myers  <joseph@codesourcery.com>
3165
3166         PR c/17855
3167         * gimplify.c (gimplify_expr): Create a temporary for lvalue
3168         COND_EXPR and CALL_EXPR.
3169
3170 2005-03-31  Vladimir Makarov  <vmakarov@redhat.com>
3171
3172         PR target/20632
3173         * genautomata.c (first_cycle_unit_presence): Check all alternative
3174         states for unit presence.
3175
3176         * doc/md.texi: Remove remark about impossibility to query unit
3177         presence in non nondeterministic automaton state.
3178
3179         * config/ia64/ia64.c (get_template): Change order of unit querying.
3180
3181 2005-03-31  Kazu Hirata  <kazu@cs.umass.edu>
3182
3183         * tree-ssa-dom.c (cprop_into_successor_phis): Remove an
3184         obsolete comment.
3185
3186 2005-03-31  Zdenek Dvorak  <dvorakz@suse.cz>
3187
3188         * cfgloopanal.c (mark_loop_exit_edges): Clean EDGE_LOOP_EXIT
3189         flag for edges outside any loops.
3190
3191 2005-03-31  Janis Johnson  <janis187@us.ibm.com>
3192
3193         * doc/sourcebuild.texi (Test Directives): Describe cleanup-* procs.
3194
3195 2005-03-31  Kazu Hirata  <kazu@cs.umass.edu>
3196
3197         * tree-ssa-alias.c: Follow spelling conventions.
3198         * doc/tree-ssa.texi: Fix a typo.
3199
3200 2005-03-31  J"orn Rennecke <joern.rennecke@st.com>
3201
3202         * postreload-gcse.c: Include target.h.
3203         (gcse_after_reload_main): Return early if we cannot modify jumps.
3204         * Makefile.in (postreload-gcse.o): Depend on $(TARGET_H).
3205
3206 2005-03-31  David Edelsohn  <edelsohn@gnu.org>
3207
3208         * tree-ssa-loop-im.c (stmt_cost): Add RDIV_EXPR to list of
3209         expensive operations.
3210
3211 2005-03-31  Ian Lance Taylor  <ian@airs.com>
3212
3213         * collect2.c (lderrout): New variable.
3214         (collect_exit): Dump ldout to stdout.  Dump and unlink lderrout,
3215         if it is set, to stderr.
3216         (handler): Unlink lderrout if it is set.
3217         (dump_file): Add "to" parameter.  Change all callers.
3218         (main): Initialize lderrout.
3219         (collect_execute): Add errname parameter.  Change all callers.
3220         Rename redir parameter to outname.  Never pass
3221         PEX_STDERR_TO_STDOUT to pex_run.
3222         * collect2.h (collect_execute, dump_file): Update declarations.
3223         * tlink.c (tlink_execute): Add errname parameter.  Change all
3224         callers.
3225         (do_tlink): Check lderrout as well as ldout.
3226
3227 2005-03-31  Caroline Tice  <ctice@apple.com>
3228
3229         * Makefile.in (varasm.o): Add basic-block.h to list of requirements.
3230         (bb-reorder.o): Add errors.h to list of requirements.
3231         (STAGEFEEDBACK_FLAGS_TO_PASS): Add -freorder-blocks-and-partition to
3232         profiledbootstrap flags.
3233         * bb-reorder.c (errors.h): Add new include.
3234         (struct bbro_basic_block_data_def): Add new field, in_trace.
3235         (add_unlikely_executed_notes):  Remove function.
3236         (mark_bb_for_unlikely_executed_section): Remove function.
3237         (insert_section_boundary_note): New function.
3238         (verify_hot_cold_block_grouping): New function.
3239         (push_to_next_round_p): Remove variables and tests that push all
3240         cold blocks to last round.
3241         (find_traces): Remove code that added extra round of trace finding
3242         when doing partitioning.
3243         (find_traces_1_round) :  Remove variable last_round;  add code to
3244         update new struct field, in_trace; correct trace_length where it was
3245         incorrect before (after call to copy_bb); change code that pushed all
3246         cold blocks to last round. Instead verify that all blocks going into
3247         a trace belong in the same partition.
3248         (connect_traces): Modify to connect the traces in two passes, if the
3249         function contains both hot and cold blocks.  The first pass connects
3250         all the traces for blocks in the partition that the first block in
3251         the function belongs to; the second pass connnects all the traces
3252         containing blocks that belong in the other partition.
3253         (find_rarely_executed_basic_blocks_and_crossing_edges):  Remove
3254         code that automatically put the first block in a function into the
3255         hot partition if the function had any hot blocks.
3256         (fix_crossing_unconditional_branches): Check number of succ edges
3257         before attempting to get one.
3258         (fix_edges_for_rarely_executed_code):  Update comment describing
3259         function.
3260         (reorder_basic_blocks):  Add code to initialize new field (in_trace);
3261         remove call to add_unlikely_executed_notes; add call to
3262         verify_hot_cold_block_grouping.
3263         (duplicate_computed_gotos): Don't change computed goto if it's a
3264         crossing edge.
3265         (partition_hot_cold_basic_blocks):  Update function comment.
3266         * cfgcleanup.c (try_simplify_condjump): Remove redundacy from
3267         condition.
3268         (try_forward_edges): Likewise.
3269         (merge_blocks_move_predecessor_nojumps): Likewise.
3270         (merge_blocks_move_successor_nojumps): Likewise.
3271         (merge_blocks_move): Likewise.
3272         (try_crossjump_bb): Likewise.
3273         * cfglayout.c (update_unlikely_executed_notes): Remove function.
3274         (fixup_reorder_chain): Remove code for adding UNLIKELY_EXECUTED_CODE
3275         notes to cold bb's; remove call to update_unlikely_executed_notes.
3276         (duplicate_insn_chain):  change NOTE_INSN_UNLIKELY_EXECUTED_CODE to
3277         NOTE_INSN_SWITCH_TEXT_SECTIONS.
3278         * cfglayout.h (scan_ahead_for_unlikely_executed_note): Remove
3279         function declaration.
3280         * cfgrtl.c (can_delete_note_p): Remove UNLIKELY_EXECUTED_CODE note
3281         from consideration.
3282         (rtl_can_merge_blocks): Remove redundancy from condition.
3283         (try_redirect_by_replacing_jump): Likewise.
3284         (force_nonfallthru_and_redirect): Remove code for adding
3285         UNLIKELY_EXECUTED_CODE notes to cold bb's.
3286         (commit_one_edge_insertion): Likewise.
3287         (cfg_layout_can_merge_blocks_p): Remove redundancy from condition.
3288         * dbxout.c (FORCE_TEXT): Replace function_section with
3289         current_function_section.
3290         (struct dbx_debug_h): Add do_nothing function for new debug_hooks
3291         function, switch_text_section.
3292         (struct xcoff_debug): Likewise.
3293         (dbxout_function_end): Add code to put out label diffs for both
3294         hot and cold sections.
3295         * debug.c (struct do_nothing_debug_hooks): Add do_nothing function
3296         for new debug_hooks funciton, switch_text_section..
3297         * debug.h (struct gcc_debug_hooks):  Add new function to debug_hooks,
3298         switch_text_section.
3299         * dwarf2out.c (struct dw_fde_struct):  Add five new fields:
3300         dw_fde_hot_section_label, dw_fde_hot_section_end_label,
3301         dw_fde_unlikely_section_label, dw_fde_unlikely_section_end_label and
3302         dw_fde_switched_sections.
3303         (output_call_frame_info):  Add test to see if function switches text
3304         sections in the middle; if so, use appropriate extra hot and cold
3305         section labels to compute size deltas for the hot and cold sections.
3306         (dwarf2out_begin_prologue): Add code to initialize new fields in
3307         dw_fde_struct.
3308         (dwarf2out_switch_text_section): New function (invoked through
3309         debug_hook); updates new fields in dw_fde_struct appropriately and
3310         increments separate_line_info_table_in_use.
3311         (dwarf2_debug_hooks): Initialize switch_text_section function to be
3312         dwarf2out_switch_text_section.
3313         (struct var_loc_node): Add new field, section_label.
3314         (output_aranges): Add code to check whether in hot or cold section and
3315         use the appropriate label in calculating deltas.
3316         (output_ranges): Likewise.
3317         (output_line_info): Add code to check which section we're in and
3318         use appropriate hot/cold label.
3319         (add_location_or_constant_value_attribute): Likewise.
3320         (gen_subprogam_die): Modify arange attributes to use correct labels.
3321         (dwarf2out_begin_block): Change call to function_section into call to
3322         current_function_section.
3323         (dwarf2out_end_block): Likewise.
3324         (dwarf2out_source_line): Likewise.
3325         (dwarf2out_var_location): Add code to check whether in hot or cold
3326         section and use the appropriate label.
3327         * except.c (output_function_exception_table): Change call to
3328         function_section into call to current_function_section.
3329         * final.c (profile_function): Likewise.
3330         (scan_ahead_for_unlikely_executed_note): Remove function.
3331         (final_scan_insn):  Remove calls to
3332         scan_ahead_for_unlikely_executed_note, and related code for switching
3333         to cold section, except for the single time
3334         NOTE_INSN_SWITCH_TEXT_SECTIONS may be encountered;  add calls to
3335         debug_hooks->switch_text_sections; replace appropriate calls to
3336         function_section with calls to current_function_section.
3337         * ifcvt.c (find_if_case_1): Remove redundancy from condition, add
3338         test_bb to condition.
3339         (find_if_case_2): Likewise.
3340         * insn-notes.def: Change NOTE_INSN_UNLIKELY_EXECUTED_CODE to
3341         NOTE_INSN_SWITCH_TEXT_SECTIONS.  Update comment appropriately.
3342         * opts.c (decode_options): Change warning about hot/cold partitioning
3343         with exceptionss to inform (so as not to cause bootstrap failures);
3344         remove warning about partitioning with DWARF debug info.
3345         * output.h (current_function_section): Add new function decl.
3346         (insert_section_boundary_note): Likewise.
3347         (enum in_section): Move this declaration here from varasm.c.
3348         (unlikely_section_label): Likewise.
3349         (unlikely_text_section_name): Likewise.
3350         (last_text_section_name): New global variable.
3351         (last_text_section): Likewise.
3352         (hot_section_label): Likewise.
3353         (hot_section_end_label): Likewise.
3354         (cold_section_end_label): Likewise.
3355         * passes.c (rest_of_handle_final): Free unlikely_text_section_name.
3356         * print-rtl.c (print_rtx): Change NOTE_INSN_UNLIKELY_EXECUTED_CODE
3357         to NOTE_INSN_SWITCH_TEXT_SECTIONS.
3358         * reg-stack.c (emit_swap_insn): Remove UNLIKELY_EXECUTED_CODE note
3359         insn from consideration.
3360         * sdbout.c (sdb_debug_hooks): Add do_nothing for new function,
3361         switch_text_section.
3362         * varasm.c (basic-block.h): Add new include.
3363         (unlikely_section_label_printed): Remove global variable.
3364         (unlikely_section_label): Make global variable not be static any more.
3365         (unlikely_text_section_name): Likewise.
3366         (hot_section_end_label): New global variable (not static)
3367         (first_function_block_is_cold): Likewise.
3368         (hot_section_label): Likewise.
3369         (cold_section_end_label): Likewise..
3370         (last_text_section): New global variable, not static.
3371         (last_text_section_name): New global variable, not static.
3372         (initialize_cold_section_name): New function.
3373         (enum in_section): Move declaration to output.h.
3374         (text_section): Update last_text_section.
3375         (unlikely_text_section): Replace code to determine cold section name
3376         with call to initialize_cold_section_name; Add code to update
3377         last_text_section; remove code for printing out label.
3378         (named_section_real): Add code to update last_text_section and
3379         last_text_section_name as appropriate.
3380         (function_section): Change test for 'unlikely' to depend on
3381         first_function_block_is_cold (moved old test to
3382         current_function_section).
3383         (current_function_section): New function.
3384         (assemble_start_function): Move code that frees
3385         unlikely_text_section_name; initialize hot_section_end_label;
3386         print hot and cold section labels at the start of the function;
3387         set first_function_block_is_cold, if appropriate; initialize l
3388         ast_text_section; add call to insert_section_boundary_note.
3389         (assemble_end_function):  Add code to write out hot and cold section
3390         end labels.
3391         *vmsdbgout.c (vmsdbg_debug_hooks): Add do_nothing for new function,
3392         switch_text_section.
3393         * config/darwin.c (machopic_select_section): Replace incorrect
3394         function in base_funs; update reloc for cold sections if necessary.
3395         * config/darwin.h (SECTION_FUNCTION):  Add code to update
3396         last_text_section if appropriate.
3397         (text_unlikely_section): Remove.
3398         * config/sparc/sparc.c (sparc_output_deferred_case_vectors): Likewise.
3399         * config/stormy16/stormy16.c (stormy_16_output_addr_vec): Likewise.
3400         * config/xtensa/xtensa.c (override_options): Turn off hot/cold
3401         partitioning for this architecture.
3402
3403 2005-03-31  Olivier Hainque  <hainque@adacore.com>
3404
3405         * dwarf2out.c (dwarf2out_frame_finish): Honor DWARF2_FRAME_INFO
3406         defined and non-zero.
3407
3408 2005-03-31  Gabriel Dos Reis  <gdr@integrable-solutions.net>
3409
3410         PR c++/18644
3411         * doc/invoke.texi (-Wsynth): Don't document, as it now is void of
3412         semantics.
3413
3414 2005-03-31  Alan Modra  <amodra@bigpond.net.au>
3415
3416         PR target/20611
3417         * config/rs6000/rs6000.md (load_toc_v4_PIC_1b): Remove inline
3418         label operand.  Remove (use (unspec..)).  Don't emit a label on
3419         the offset word.
3420         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Don't
3421         generate inline label for load_toc_v4_PIC_1b.
3422         (rs6000_emit_load_toc_table): Likewise.
3423
3424 2005-03-31  Kazu Hirata  <kazu@cs.umass.edu>
3425
3426         * config.gcc: Obsolete i860-*-sysv4*, ip2k-*-elf,
3427         ns32k-*-netbsdelf*, and ns32k-*-netbsd*.
3428
3429 2005-03-29  Devang Patel  <dpatel@apple.com>
3430
3431         * tree-sra.c (decide_block_copy): Disable scalarization of
3432         sub-elements.
3433
3434 2005-03-30  Stuart Hastings  <stuart@apple.com>
3435             Dale Johannesen  <dalej@apple.com>
3436
3437         * Makefile.in (print-tree.o):  Depend on tree-iterator.h.
3438         * print-tree.c (print_node):  Add case STATEMENT_LIST.
3439
3440 2005-03-31  Alan Modra  <amodra@bigpond.net.au>
3441
3442         * config.gcc (cpu_is_64bit): Set for 64-bit powerpc cpus.
3443         (powerpc64-*-linux*): Use it.  Rearrange tm_file assignment.
3444         (powerpc-*-linux*): Build a biarch compiler when --enable-targets
3445         is given with "powerpc64*" or "all", or when --with-cpu chooses
3446         a 64-bit cpu.
3447
3448 2005-03-30  James E. Wilson  <wilson@specifixinc.com>
3449
3450         PR debug/20268
3451         * dwarf2out.c (add_high_low_attributes): New function, extracted from
3452         gen_lexical_block_die.
3453         (gen_lexical_block_die, gen_inlined_subroutine_die): Call it.
3454
3455 2005-03-31  Jan Hubicka  <jh@suse.cz>
3456
3457         2004-11-02  Jan Hubicka  <jh@suse.cz>
3458
3459         * cgraph.c (cgraph_varpool_node_name): New function.
3460         (dump_cgraph_varpool_node): New function.
3461         (dump_varpool): New function.
3462         * cgraphunit.c (cgraph_optimize): Dump varpool.
3463
3464         2004-10-16  Jan Hubicka  <jh@suse.cz>
3465
3466         * cgraph.c (decide_is_variable_needed): New function.
3467         (cgraph_varpool_finalize_decl): Use it.
3468         * cgraphunit.c (cgraph_optimize): Assemble_pending_decls when not doing
3469         unit-at-a-time.
3470         * final.c (output_addr_const): Do not call mark_referenced.
3471         * passes.c (rest_of_decl_compilation): ifdef out DECL_RTL_SET_P hack;
3472         always go via cgraph.
3473         * toplev.c (wrapup_global_declarations): Kill non-unit-at-a-time code.
3474         (check_global_declarations): Ifdef out code clearing DECL_RTL.
3475         * tree-optimize.c (execute_inline): Mark functions called.
3476         * i386.c (output_pic_addr_const): Do not call mark_decl_referenced.
3477
3478         2004-10-11  Jan Hubicka  <jh@suse.cz>
3479
3480         * cgraph.c (cgraph_varpool_first_unanalyzed_node): New global voriable
3481         (cgraph_varpool_last_needed_node): New static variable.
3482         (enqueue_needed_varpool_node): Break out from ...; add items to the
3483         end of queue; update first pointers.
3484         (cgraph_varpool_mark_needed_node): ... here.
3485         (cgraph_varpool_finalize_decl): Use enqueue_needed_varpool_node.
3486         (cgraph_varpool_assemble_pending_decls): Move to cgraphunit.c
3487         * cgraph.h (cgraph_varpool_node): Add analyzed field.
3488         (cgraph_varpool_first_unanalyzed_node): Declare.
3489         * cgraphunit.c: Include output.h.
3490         (cgraph_varpool_analyze_pending_decls): New function.
3491         (cgraph_varpool_assemble_pending_decls): Move from cgraph.c; bail out
3492         for errors, analyze pending decls.
3493         (cgraph_finalize_compilation_unit): Only analyze decls.
3494         (cgraph_optimize): Assemble the decls after expanding.
3495
3496 2005-03-30  Daniel Berlin  <dberlin@dberlin.org>
3497
3498         * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Make sure
3499         subvars get marked properly in tags for grouping.
3500         (add_pointed_to_var): Mark only actual pointed to
3501         variables/subvars in addresses needed.
3502         (create_overlap_variables_for): Clear call clobbered on original
3503         variable.
3504         * tree-ssa-operands.c (get_asm_expr_operands): Don't let regular
3505         addresable vars with subvars into list.
3506         * tree-ssa.c (verify_ssa_name): Verify original is not used where
3507         subvar should be.
3508
3509 2005-03-30  Richard Henderson  <rth@redhat.com>
3510
3511         * cgraph.h (struct cgraph_node): Add alias.
3512         * varasm.c (assemble_alias): Set it.
3513         * cgraphunit.c (cgraph_assemble_pending_functions): Check it and
3514         avoid calling cgraph_expand_function.
3515
3516 2005-03-30  Tom Tromey  <tromey@redhat.com>
3517
3518         * tree.def (FILE_TYPE): Removed.
3519         * typeclass.h (enum type_class): Removed file_type_class.
3520         * dwarf2out.c (is_base_type): Updated.
3521         (gen_type_die): Likewise.
3522         * dbxout.c (dbxout_type): Updated.
3523         * builtins.c (type_to_class): Updated.
3524         * tree.c (type_contains_placeholder_1): Updated.
3525         * config/sparc/sparc.c (sparc_type_code): Updated.
3526         * config/ia64/ia64.c (hfa_element_mode): Updated.
3527         * expr.c (count_type_elements): Updated.
3528         * stor-layout.c (layout_type): Updated.
3529         * tree-inline.c (remap_type): Updated.
3530         * tree-pretty-print.c (dump_generic_node): Updated.
3531
3532 2005-03-30 Fariborz Jahanian <fjahanian@apple.com>
3533
3534         * builtins.c (expand_builtin_powi): Fix mode of
3535         2nd argument to match int.
3536         * libgcc2.h (__powisf2, __powidf2, __powixf2, __powitf2): Change
3537         2nd argument type to int.
3538         * libgcc2.c: Change prototype of __powi* functions to use
3539         int.
3540
3541 2005-03-30  Dale Johannesen  <dalej@apple.com>
3542
3543         PR middle-end/19225
3544         * calls.c (expand_call):  Flush pending deferrals before
3545         throwing call.
3546
3547 2005-03-30  Joseph S. Myers  <joseph@codesourcery.com>
3548
3549         PR c/772
3550         PR c/17913
3551         * c-tree.h (C_DECL_UNJUMPABLE_STMT_EXPR,
3552         C_DECL_UNDEFINABLE_STMT_EXPR, struct c_label_list, struct
3553         c_label_context, label_context_stack): New.
3554         * c-decl.c (define_label): Check for jumps into statement
3555         expressions.  Add label to list of defined labels.
3556         (start_function): Push context on label_context_stack.
3557         (finish_function): Pop context from label_context_stack.
3558         * c-typeck.c (label_context_stack): New.
3559         (c_finish_goto_label): Check for jumps into statement
3560         expressions.  Add label to list of jumped to labels.
3561         (struct c_switch): Add blocked_stmt_expr.
3562         (c_start_case): Initialize it.
3563         (do_case): Check it.
3564         (c_finish_case): Verify !blocked_stmt_expr.
3565         (c_begin_stmt_expr):  Push context on label_context_stack.
3566         Increment blocked_stmt_expr.  Mark labels jumped to from outside
3567         as undefinable.
3568         (c_finish_stmt_expr): December blocked_stmt_expr.  Mark labels
3569         defined in the statement expression and no longer jumpable to.
3570         Mark labels jumped to from just outside the statement expression
3571         as again definable.  Pop context from label_context_stack.
3572         * doc/extend.texi (Statement Exprs): Update.
3573
3574 2005-03-30  Joseph S. Myers  <joseph@codesourcery.com>
3575
3576         PR c/20368
3577         * c-decl.c (start_function): Check for old_decl being
3578         error_mark_node.
3579
3580 2005-03-30  Ian Lance Taylor  <ian@airs.com>
3581
3582         * final.c (final): Remove prescan parameter.  Change all callers.
3583         (final_scan_insn): Remove prescan parameter.  Change all callers.
3584
3585 2005-03-30  Kazu Hirata  <kazu@cs.umass.edu>
3586
3587         * tree-vectorizer.c: Fix comment typos.
3588
3589 2005-03-30  Sebastian Pop  <pop@cri.ensmp.fr>
3590
3591         * tree-scalar-evolution.c (instantiate_parameters_1): Return
3592         as soon as a chrec_dont_know is detected.
3593
3594 2005-03-31  Danny Smith  <dannysmith@users.sourceforge.net>
3595
3596         Merge from csl-arm-branch.
3597         2004-02-12  Mark Mitchell  <mark@codesourcery.com>
3598
3599         * tlink.c (recompile_files): Do not assume that "rename" can
3600         overwrite an existing file.
3601
3602 2005-03-31  Paolo Bonzini  <bonzini@gnu.org>
3603
3604         * gcc/configure.ac (TL_AC_GNU_MAKE_GCC_LIB_PATH): Remove.
3605         * gcc/configure: Regenerate.
3606
3607 2005-03-30  Alan Modra  <amodra@bigpond.net.au>
3608
3609         * doc/install.texi: Update binutils requirement for powerpc*-linux.
3610
3611         * config/rs6000/rs6000.c (rs6000_arg_partial_bytes): Update comments.
3612
3613         * calls.c (struct arg_data): Update "partial" comment.
3614         (load_register_parameters): Update "nregs" comment.
3615
3616 2005-03-30  Richard Sandiford  <rsandifo@redhat.com>
3617
3618         * config/iq2000/iq2000.h (target_flags, MASK_GPOPT, MASK_EMBEDDED_DATA)
3619         (MASK_UNINIT_CONST_IN_RODATA, TARGET_EMBEDDED_DATA, TARGET_SWITCHES)
3620         (TARGET_DEFAULT, TARGET_CPU_DEFAULT, SUBTARGET_TARGET_OPTIONS)
3621         (TARGET_OPTIONS, iq2000_cpu_string, iq2000_arch_string): Delete.
3622         (TARGET_DEBUG_MODE, TARGET_DEBUG_A_MODE, TARGET_DEBUG_B_MODE)
3623         (TARGET_DEBUG_C_MODE, TARGET_DEBUG_D_MODE): Define to 0 rather
3624         than target_flags & 0.
3625         * config/iq2000/iq2000.c (iq2000_cpu_string, iq2000_arch_string)
3626         (iq2000_arch, iq2000_parse_cpu): Delete.
3627         (TARGET_HANDLE_OPTION): Override default.
3628         (iq2000_handle_option): New function.
3629         (override_options): Remove -march= and -mcpu= handling.
3630         * config/iq2000/iq2000.opt: New file.
3631
3632 2005-03-30  Richard Sandiford  <rsandifo@redhat.com>
3633
3634         * config/c4x/c4x-protos.h (c4x_rpts_cycles, c4x_cpu_version): Delete.
3635         * config/c4x/c4x.h (SMALL_MEMORY_FLAG, MPYI_FLAG, FAST_FIX_FLAG)
3636         (RPTS_FLAG, C3X_FLAG, TI_FLAG, PARANOID_FLAG, MEMPARM_FLAG, DEVEL_FLAG)
3637         (RPTB_FLAG, BK_FLAG, DB_FLAG, DEBUG_FLAG, HOIST_FLAG)
3638         (LOOP_UNSIGNED_FLAG, FORCE_FLAG, PRESERVE_FLOAT_FLAG)
3639         (PARALLEL_INSN_FLAG, PARALLEL_MPY_FLAG, ALIASES_FLAG, C30_FLAG)
3640         (C31_FLAG, C32_FLAG, C33_FLAG, C40_FLAG, C44_FLAG, TARGET_SWITCHES)
3641         (TARGET_DEFAULT, TARGET_SMALL, TARGET_MPYI, TARGET_FAST_FIX)
3642         (TARGET_RPTS, TARGET_TI, TARGET_PARANOID, TARGET_MEMPARM, TARGET_DEVEL)
3643         (TARGET_RPTB, TARGET_BK, TARGET_DB, TARGET_DEBUG, TARGET_HOIST)
3644         (TARGET_LOOP_UNSIGNED, TARGET_FORCE, TARGET_PRESERVE_FLOAT)
3645         (TARGET_PARALLEL, TARGET_PARALLEL_MPY, TARGET_ALIASES)
3646         (c4x_rpts_cycles_string, c4x_cpu_version_string)
3647         (TARGET_OPTIONS): Delete.
3648         (c4x_rpts_cycles, c4x_cpu_version): Declare.
3649         (TARGET_C3X, TARGET_C30, TARGET_C31, TARGET_C32, TARGET_C33)
3650         (TARGET_C40, TARGET_C44): Redefine in terms of c4x_cpu_version.
3651         * config/c4x/c4x.c (c4x_rpts_cycles_string): Delete.
3652         (c4x_cpu_version_string): Delete.
3653         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
3654         (c4x_handle_option): New function.  Map -m3x and -m4x options to the
3655         equivalent -mcpu= option.
3656         (c4x_override_options): Remove -mrpts= and -mcpu= handling from here.
3657         Deal with the extra conditions in the old TARGET_MPYI, TARGET_RPTB,
3658         TARGET_DB, TARGET_PARALLEL and TARGET_PARALLEL_MPY macros by setting
3659         or clearing the appropriate MASK_* bit.
3660         (c4x_file_start): Use c4x_cpu_version.
3661         * config/c4x/c4x.opt: New file.
3662
3663 2005-03-30  Richard Sandiford  <rsandifo@redhat.com>
3664
3665         * doc/options.texi: Document the new MaskExists flag.
3666         * opth-gen.awk: Don't output MASK and TARGET macros for Mask(...)
3667         if the option has the MaskExists flag.
3668
3669 2005-03-30  Richard Sandiford  <rsandifo@redhat.com>
3670
3671         * opt-functions.awk (flag_set_p, test_flag): New functions.
3672         (switch_flags): Use them.
3673         * opth-gen.awk: Use flag_set_p to check for flags.
3674         * optc-gen.awk: Likewise.  Use opt_args to check for Init(...) flags.
3675
3676 2005-03-30  Ian Lance Taylor  <ian@airs.com>
3677
3678         * config.host (i[34567]86-*-mingw32*): Don't set
3679         host_can_use_collect2 to no.
3680
3681 2005-03-30  Alan Modra  <amodra@bigpond.net.au>
3682
3683         PR target/20203
3684         * builtins.c (get_memory_rtx): Expand address exp using EXPAND_NORMAL.
3685         Remove convert_memory_address call duplicating that in memory_address.
3686
3687 2005-03-29  Richard Henderson  <rth@redhat.com>
3688
3689         PR c/20519
3690         * c-decl.c (c_finish_incomplete_decl): Update complete_array_type call.
3691         (build_compound_literal): Likewise.  Propagate decl type into the
3692         initializer.
3693         (finish_decl): Likewise.  Use new return value from complete_array_type
3694         for zero sized arrays.
3695         (complete_array_type): Move ...
3696         * c-common.c (complete_array_type): ... here.  Change first argument
3697         to pointer-to-type-node.  Consistently use sizetype for the index
3698         except for zero sized arrays.  Detect zero sized arrays for pedantic
3699         mode diagnostics.  Create a new type node instead of modifying the
3700         old node in place.
3701         * c-tree.h (complete_array_type): Move decl ...
3702         * c-common.h (complete_array_type): ... here.
3703
3704 2005-03-29  Richard Henderson  <rth@redhat.com>
3705
3706         PR tree-opt/19108
3707         * tree-sra.c (generate_element_init_1): Handle RANGE_EXPR.
3708
3709 2005-03-29  Kazu Hirata  <kazu@cs.umass.edu>
3710
3711         * builtin-types.def, c-convert.c, c-format.c, ddg.c, debug.c,
3712         debug.h, et-forest.c, et-forest.h, gcov.c, rtl-profile.c,
3713         rtlhooks-def.h, rtlhooks.c, sdbout.c, tree-inline.h,
3714         tree-profile.c, tsystem.h, value-prof.h: Update copyright.
3715
3716 2005-03-29  Eric Christopher  <echristo@redhat.com>
3717
3718         * config/mips/mips.c (mips_gimplify_va_arg_expr): Update for
3719         truthvalue conversion removal.
3720
3721 2005-03-29  Ian Lance Taylor  <ian@airs.com>
3722
3723         PR bootstrap/14316
3724         * collect2.c: Never include <vfork.h>.
3725         (VFORK_STRING, vfork): Don't define.
3726         (pid): Remove global variable.
3727         (handler): Call raise instead of kill (getpid(), ...).
3728         (collect_wait): Add pex parameter.  Change all callers.  Use
3729         pex_get_status rather than pwait.
3730         (do_wait): Add pex parameter.  Change all callers.
3731         (collect_execute): Return struct pex_obj * rather than void.  Use
3732         pex routines rather than pexecute.
3733         (fork_execute): Get pex_obj from collect_execute, and pass it to
3734         do_wait.
3735         (scan_prog_file): Use pex routines rather than pipe/vfork/exec.
3736         Only declare quit_handler if SIGQUIT is defined.
3737         (scan_libraries): Likewise.
3738         * collect2.h (collect_execute): Update declaration.
3739         (collect_wait): Update declaration.
3740         * tlink.c (tlink_execute): Get pex_obj from collect_execute, and
3741         pass it to collect_wait.
3742
3743 2005-03-29  Joseph S. Myers  <joseph@codesourcery.com>
3744
3745         PR c/20672
3746         * c-parser.c (c_parser_compound_statement_nostart): Give error
3747         message for EOF instead of just setting parser->error.
3748
3749 2005-03-29  Dorit Naishlos  <dorit@il.ibm.com>
3750
3751         * tree-vectorizer.c (slpeel_update_phi_nodes_for_guard): Removed.
3752         (slpeel_update_phi_nodes_for_guard1): New function.
3753         (slpeel_update_phi_nodes_for_guard2): New function.
3754         (slpeel_tree_peel_loop_to_edge): Call above new functions instead
3755         of slpeel_update_phi_nodes_for_guard.
3756         (vectorize_loops): Remove call to loop_closed_rewrite.
3757         * tree-vect-transform.c (vect_update_ivs_after_vectorizer): Remove
3758         assertion.
3759
3760 2005-03-29  Richard Sandiford  <rsandifo@redhat.com>
3761
3762         * config/m32r/little.h (TARGET_ENDIAN_DEFAULT): Delete.
3763         (TARGET_LITTLE_ENDIAN): New macro.
3764         * config/m32r/m32r.h (SUBTARGET_SWITCHES, target_flags)
3765         (TARGET_RELAX_MASK, TARGET_DEBUG_MASK, TARGET_DEBUG)
3766         (TARGET_ALIGN_LOOPS_MASK, TARGET_ALIGN_LOOPS)
3767         (TARGET_LOW_ISSUE_RATE_MASK, TARGET_LOW_ISSUE_RATE)
3768         (TARGET_BRANCH_COST_MASK, TARGET_BRANCH_COST, TARGET_M32RX_MASK)
3769         (TARGET_M32RX, TARGET_M32R2_MASK, TARGET_M32R2, LITTLE_ENDIAN_BIT)
3770         (TARGET_ENDIAN_DEFAULT, SUBTARGET_SWITCHES, TARGET_DEFAULT)
3771         (TARGET_SWITCHES, m32r_model_string, m32r_sdata_string)
3772         (m32r_cache_flush_trap_string, SUBTARGET_OPTIONS)
3773         (TARGET_OPTIONS): Delete.
3774         (M32R_MODEL_DEFAULT, M32R_SDATA_DEFAULT): Turn into enums.
3775         (CACHE_FLUSH_TRAP): Turn into an integer.
3776         (TARGET_LITTLE_ENDIAN): Define to 0 by default.
3777         (INITIALIZE_TRAMPOLINE): Check m32r_cache_trap >= 0 to see if
3778         -mflush-trap is in use.
3779         * config/m32r/m32r.c (m32r_model_string, m32r_sdata_string)
3780         (m32r_cache_flush_trap_string): Delete.
3781         (m32r_model) Initialize to M32R_MODEL_DEFAULT.
3782         (m32r_sdata): Likewise M32R_SDATA_DEFAULT.
3783         (m32r_cache_trap): Likewise CACHE_FLUSH_TRAP.
3784         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
3785         (m32r_handle_option): New function.  Move -mflush-trap=, -mflush-func=,
3786         -mmodel= and -msdata= handling from...
3787         (m32r_init): ...here.
3788         * config/m32r/m32r.opt: New file.
3789
3790 2005-03-29  Keith Besaw  <kbesaw@us.ibm.com>
3791
3792         * tree-ssanames.c (duplicate_ssa_name_ptr_info): New function.
3793         (duplicate_ssa_name): Call duplicate_ssa_name_ptr_info.
3794         * tree-vect-analyze.c (vect_object_analysis): additional parm
3795         pass back a "struct ptr_info_def *" with the points-to info.
3796         (vect_analyze_data_refs): set the STMT_VINFO_PTR_INFO for the
3797         statement using info returned from vect_object_analysis.
3798         * tree-vect-transform.c (update_vuses_to_preheader): New function.
3799         (vect_create_data_ref_ptr): Remove updates to vars_to_rename
3800         for virtual uses and defs when creating a replacement vector
3801         reference.  Call duplicate_ssa_name_ptr_info to define points-to
3802         info for vector pointer replacement using STMT_VINFO_PTR_INFO.
3803         (vectorizable_store): copy_virtual_operands and update
3804         definition statements.
3805         (vectorizable_load): copy_virtual_operands.  Remove call to
3806         mark_call_clobbered_vars_to_rename for call to "const" builtin.
3807         * tree-vectorizer.c (vectorize_loops): Remove calls to
3808         rewrite_into_ssa and bitmap_clear (vars_to_rename).
3809         (new_stmt_vec_info): initialize STMT_VINFO_PTR_INFO for stmt.
3810         * tree-vectorizer.h (_stmt_vec_info): add field ptr_info and
3811         define macro STMT_VINFO_PTR_INFO for use in accessing.
3812         * tree.h add export of duplicate_ssa_name_ptr_info.
3813         * rs6000.c (altivec_init_builtins): Declare builtin function
3814         __builtin_altivec_mask_for_load to be "const".
3815
3816 2005-03-29  Jakub Jelinek  <jakub@redhat.com>
3817
3818         PR middle-end/20622
3819         * cgraph.h (struct cgraph_varpool_node): Add alias field.
3820         * cgraph.c (cgraph_varpool_assemble_pending_decls): Don't call
3821         assemble_variable on aliases.
3822         * varasm.c (assemble_alias): Set node->alias.
3823         * toplev.c (wrapup_global_declarations): Don't call
3824         rest_of_decl_compilation on aliases again.
3825
3826 2005-03-29  Paul Brook  <paul@codesourcery.com>
3827
3828         * config/arm/arm-protos.h (arm_dbx_register_number): Add prototype.
3829         * config/arm/arm.c (arm_dbx_register_number): New function.
3830         * config/arm/arm.h (IS_FPA_REGNUM, DBX_REGISTER_NUMBER): Define.
3831
3832 2005-03-29  Eric Botcazou  <ebotcazou@libertysurf.fr>
3833
3834         PR middle-end/20263
3835         * varasm.c (make_decl_rtl) [ASM_DECLARE_REGISTER_GLOBAL]: Use
3836         the DECL_NAME, not the DECL_ASSEMBLER_NAME.
3837
3838 2005-03-29  Dale Johannesen <dalej@apple.com>
3839
3840         * Makefile.in (value-prof.o): New dependencies on $(DIAGNOSTIC_H)
3841         $(TREE_H) and $(COVERAGE_H).
3842         * coverage.c (compute_checksum): Use DECL_NAME not DECL_ASSEMBLER_NAME.
3843         * opts.c (common_handle_option): Enable tree-based value transforms.
3844         * toplev.c (process_options): Ditto.
3845         * value-prof.h (struct histogram_value_t): Redefine. "Adjust" below
3846         refers to references to this type.
3847         * tree-flow.h: (struct stmt_ann_d): Add histograms field.
3848         * rtl-profile.c (rtl_gen_interval_profiler): Adjust. Remove checks
3849         for may_be_more, may_be_less.
3850         (rtl_gen_pow2_profiler): Adjust.
3851         (rtl_gen_one_value_profiler_no_edge_manip): Adjust.
3852         (rtl_gen_one_value_profiler): Adjust.
3853         (rtl_gen_const_delta_profiler): Adjust.
3854         * tree-profile.c (tree_gen_interval_profiler): Implement.
3855         (tree_gen_pow2_profiler): Ditto.
3856         (tree_gen_one_value_profiler): Ditto.
3857         (tree_profiling): New.
3858         (pass_tree_profile): Reference it.
3859         * value-prof.c: Include tree-flow.h, tree-flow-inline.h, diagnostic.h,
3860         tree.h, gcov-io.h.
3861         (insn_divmod_values_to_profile): Rename to
3862         rtl_divmod_values_to_profile. Adjust.
3863         (insn_values_to_profile): Rename to rtl_values_to_profile. Adjust.
3864         (insn_prefetch_values_to_profile): Adjust.
3865         (rtl_value_profile_transformations): Adjust.
3866         (gen_divmod_fixed_value): Rename to rtl_divmod_fixed_value.
3867         (gen_mod_pow2): Rename to rtl_mod_pow2.
3868         (gen_mod_subtract): Rename to rtl_mod_subtract.
3869         (divmod_fixed_value_transform): Rename to
3870         rtl_divmod_fixed_value_transform.
3871         (mod_pow2_value_transform): Rename to rtl_mod_pow2_value_transform.
3872         (mod_subtract_transform): Rename to rtl_mod_subtract_transform.
3873         (rtl_find_values_to_profile): Adjust.
3874         (tree_value_profile_transformations): Implement.
3875         (tree_divmod_values_to_profile): New.
3876         (tree_values_to_profile): New.
3877         (tree_divmod_fixed_value): New.
3878         (tree_mod_pow2): New.
3879         (tree_mod_subtract): New.
3880         (tree_divmod_fixed_value_transform): New.
3881         (tree_mod_pow2_value_transform): New.
3882         (tree_mod_subtract_transform): New.
3883         (tree_find_values_to_profile): Implement.
3884         * profile.c (instrument_values):  Free histograms.
3885         (compute_value_histograms): Adjust. Implement tree version.
3886
3887 2005-03-29  Uros Bizjak  <uros@kss-loka.si>
3888
3889         * reg-stack.c (subst_stack_regs_pat): Handle <UNSPEC_FIST> case.
3890         * config/i386/i386.c (output_fix_trunc): Add new round_mode
3891         variable.  Output "fldcw" depending on round_mode.
3892         * config/i386/i386.md (UNSPEC_FIST): New.
3893         (fistdi2, fistdi2_with_temp, fist<mode>2, fist<mode>2_with_temp):
3894         New isns patterns to implement lrint and llrint built-ins as x87
3895         intrinsic function.
3896         (fistdi2, fist<mode>2 splitters): New splitters.
3897         (lrint<mode>2): New expanders.
3898
3899 2005-03-28  Ian Lance Taylor  <ian@airs.com>
3900
3901         * config/arc/arc.c (arc_output_function_epilogue): Pass prescan as
3902         0 when calling final_scan_insn.
3903
3904 2005-03-28  Jan Hubicka  <jh@suse.cz>
3905
3906         PR middle-end/20635
3907         * varasm.c (mark_decl_referenced): Do not mark extern inline functions
3908         as needed.
3909
3910         * tree-inline.c (estimate_num_insns_1): Use declaration to discover argument
3911         types where possible.
3912
3913 2005-03-26  Per Bothner  <per@bothner.com>
3914
3915         Make -f[no-]show-column also control non-cpp diagnostics.
3916         * c.opt (fshow-column): Move option from here ...
3917         * common.opt (fshow-column): ... to here.
3918         * diagnostic.c (diagnostic_build_prefix): Only print column number
3919         if flag_show_column.
3920
3921 2005-03-27  Steven Bosscher  <stevenb@suse.de>
3922
3923         * vax-protos.h (vax_output_int_move, vax_output_int_add,
3924         vax_output_conditional_branch): New prototypes.
3925         * vax.c (vax_output_int_move, vax_output_int_add): New functions,
3926         extracted from vax.md mov and add patterns.
3927         (vax_output_conditional_branch): New function to output conditional
3928         branch instructions.
3929         * vax.md: Use mode macros for arithmetic and mov patterns.
3930         Use code macros for the jump patterns.
3931
3932 2005-03-26  Andrew Pinski  <pinskia@physics.uc.edu>
3933
3934         * Makefile.in (libbackend.o): Depend on version files;
3935         add custom generation command.
3936
3937 2005-03-26  Andrew Pinski  <pinskia@physics.uc.edu>
3938
3939         PR target/20636
3940         * config/rs6000/rs6000.md (extendsfdf2_fpr): Check to make
3941         sure that we have a REG before getting its REGNO.
3942
3943 2005-03-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3944
3945         * builtin-types.def (BT_FN_STRING_CONST_STRING_SIZE): New.
3946         * builtins.def (BUILT_IN_STRNDUP): New.
3947
3948 2005-03-25  Pat Haugen  <pthaugen@us.ibm.com>
3949
3950         PR tree-optimization/20470
3951         * fold-const.c (fold_cond_expr_with_comparison): Recognize/fold
3952         ABS(x-y).
3953
3954 2005-03-25  Mike Stump  <mrs@apple.com>
3955
3956         * config/darwin.h (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Don't allow 0
3957         sized objects.
3958
3959 2005-03-25  Geoffrey Keating  <geoffk@apple.com>
3960
3961         * config/rs6000/darwin-fallback.c: Don't include <ucontext.h>.
3962         Use our own structure definitions.
3963
3964         * config/rs6000/rs6000.md (UNSPEC constants): Add UNSPEC_STFIWX.
3965         (fix_truncdfsi2): Allow registers or memory as destination.
3966         When TARGET_PPC_GFXOPT, generate simplified pattern.
3967         (fix_truncdfsi2_internal): Use define_insn_and_split.
3968         (fix_truncdfsi2_internal_gfxopt): New.
3969         (fctiwz): Don't confuse register allocation by giving it no choices.
3970         (stfiwx): New.
3971         * config/rs6000/rs6000.h (EXTRA_CONSTRAINT): Add 'Z'.
3972         (EXTRA_MEMORY_CONSTRAINT): Likewise.
3973         * config/rs6000/rs6000.c (indexed_or_indirect_operand): New.
3974         * config/rs6000/rs6000-protos.h (indexed_or_indirect_operand): New.
3975
3976 2005-03-25  Kazu Hirata  <kazu@cs.umass.edu>
3977
3978         * dominance.c (free_dominance_info): Speed up by freeing et
3979         data structures without maintaining other nodes.
3980         * et-forest.c (et_free_tree_force): New.
3981         * et-forest.h: Add a prototype for et_free_tree_force.
3982
3983         * tree.c (get_set_constructor_bits,
3984         get_set_constructor_bytes): Remove.
3985         * tree.h: Remove the corresponding prototypes.
3986
3987 2005-03-25  John David Anglin  <dave.anglin@nrc-crnc.gc.ca>
3988
3989         PR target/15491
3990         * vax.c (vax_rtx_costs_1): Merge with vax_rtx_costs.
3991         (vax_rtx_costs): Return false when passed unsupported rtx's.  Handle
3992         FLOAT_EXTEND, FLOAT_TRUNCATE and TRUNCATE.  Fix costs for POST_INC,
3993         PRE_DEC, NEG and NOT.
3994
3995 2005-03-25  Kazu Hirata  <kazu@cs.umass.edu>
3996
3997         * fold-const.c: Convert uses of fold (build (...)) to
3998         fold_buildN.
3999
4000 2005-03-25  Zdenek Dvorak  <dvorakz@suse.cz>
4001
4002         PR rtl-optimization/20249
4003         * cse.c (insert_regs): Do not record equivalence of registers in
4004         different modes.
4005
4006 2005-03-24  Kazu Hirata  <kazu@cs.umass.edu>
4007
4008         * emit-rtl.c (reverse_comparison): Remove.
4009         * rtl.h: Remove the corresponding prototype.
4010
4011 2005-03-24  James E Wilson  <wilson@specifixinc.com>
4012
4013         * doc/install.texi (--enable-altivec): Delete docs.
4014
4015 2005-03-24  David Edelsohn  <edelsohn@gnu.org>
4016
4017         * config/rs6000/predicates.md (easy_fp_constant): Return 0 for
4018         SFmode and DFmode before reload when
4019         flag_unsafe_math_optimizations not enabled.
4020
4021 2005-03-24  Geoffrey Keating  <geoffk@apple.com>
4022
4023         * c.opt (fvisibility-inlines-hidden): Allow for ObjC++.
4024
4025         * config/i386/darwin.h (TARGET_SUBTARGET_DEFAULT): Add
4026         MASK_128BIT_LONG_DOUBLE, MASK_ALIGN_DOUBLE.
4027
4028 2005-03-24  Nathan Sidwell  <nathan@codesourcery.com>
4029
4030         * configure.ac (enable-checking): Add 'runtime' option.
4031         * doc/install.texi (enable-checking): Document 'runtime' checking.
4032         * tsystem.h (gcc_assert, gcc_unreachable): Define.
4033         * config.in: Regenerated.
4034         * configure: Regenerated.
4035
4036 2005-03-23  Uros Bizjak  <uros@kss-loka.si>
4037
4038         * optabs.h (enum optab_index): Remove OTI_llrint.
4039         (llrint_optab): Remove macro.
4040         * optabs.c (init_optabs): Remove llrint_optab initialization.
4041         * genopinit.c (optabs): Remove llrint_optab implementation.
4042         * builtins.c (expand_builtin_mathfn): Handle BUILT_IN_LLRINT{,F,L}
4043         using lrint_optab.
4044
4045 2005-03-24  Alexandre Oliva  <aoliva@redhat.com>
4046
4047         PR rtl-optimization/20532
4048         * simplify-rtx.c (simplify_binary_operation_1): Protect from
4049         overflow when adding coefficients for PLUS or MINUS.
4050         (simplify_binary_operation_1): Handle CONST_DOUBLE exact power of
4051         two as multiplier.
4052
4053 2005-03-23  Joseph S. Myers  <joseph@codesourcery.com>
4054
4055         * langhooks.h (truthvalue_conversion): Remove.
4056         * langhooks-def.h (LANG_HOOKS_INITIALIZER): Remove
4057         LANG_HOOKS_TRUTHVALUE_CONVERSION.
4058         * system.h (LANG_HOOKS_TRUTHVALUE_CONVERSION): Poison.
4059         * gimplify.c (gimple_boolify): Don't use truthvalue_conversion.
4060         * c-objc-common.h (LANG_HOOKS_TRUTHVALUE_CONVERSION): Remove.
4061
4062 2005-03-23  Kazu Hirata  <kazu@cs.umass.edu>
4063
4064         * params.def: Fix a typo.
4065         * config/mips/mips.c: Follow the spelling convensions.
4066         * doc/invoke.texi: Fix typos.
4067
4068 2005-03-23  Daniel Berlin  <dberlin@dberlin.org>
4069
4070         Fix PR tree-optimization/20601
4071
4072         * tree-ssa-pre.c (insert_aux): Add missing condition to
4073         constification.
4074
4075 2005-03-23  Ian Lance Taylor  <ian@airs.com>
4076
4077         * final.c (final_scan_insn): Don't remove no-op instructions.
4078         * reload1.c (reload): Remove simple no-op instructions even when
4079         not optimizing.
4080
4081 2005-03-23  Dorit Naishlos  <dorit@il.ib.com>
4082
4083         PR tree-optimization/20501
4084         * tree-vect-analyze.c (vect_enhance_data_refs_alignment): Debug print
4085         reporting that peeling for alignment is applied moved to...
4086         * (vect_analyze_data_refs_alignment): Here.
4087
4088 2005-03-23  Ian Lance Taylor  <ian@airs.com>
4089
4090         * reorg.c (dbr_schedule): Remove #if 0 code to call final.
4091
4092 2005-03-23  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
4093
4094         * config.gcc (alpha*-dec-osf[45]*): Remove target_cpu_default.
4095         Define TARGET_SUPPORT_ARCH except on Tru64 UNIX V4.0A.
4096
4097 2005-03-23  Hans-Peter Nilsson  <hp@axis.com>
4098
4099         * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Adjust wording to not
4100         imply that this is called once, independent of asms in code.
4101         Adjust to now being pased output and input lists.  Mention helper
4102         function decl_overlaps_hard_reg_set_p.
4103         * hooks.c (hook_tree_tree_tree_tree_3rd_identity): Rename from
4104         hook_tree_tree_identity and to take three trees, returning third.
4105         * hooks.h (hook_tree_tree_tree_tree_3rd_identity): Adjust the
4106         prototype.
4107         * stmt.c: include hard-reg-set.h before tree.h.
4108         (decl_overlaps_hard_reg_set_p): New function, broken out from...
4109         (decl_conflicts_with_clobbers_p): Call
4110         decl_overlaps_hard_reg_set_p.
4111         (expand_asm_operands): Pass output and input lists in call to
4112         targetm.md_asm_clobbers.
4113         * target-def.h (TARGET_MD_ASM_CLOBBERS): Define as
4114         hook_tree_tree_tree_tree_3rd_identity.
4115         * target.h (struct gcc_target.md_asm_clobbers): Take three tree
4116         parameters.
4117         * tree.h [HARD_CONST] (decl_overlaps_hard_reg_set_p): Prototype.
4118         * config/i386/i386.c (ix86_md_asm_clobbers): Adjust to three
4119         parameters, first two unused.
4120         * config/cris/cris.c (cris_md_asm_clobbers): Adjust to added
4121         parameters.  Only add MOF to clobbers if there's no 'h' mentioned
4122         in constraint letters and MOF is not mentioned as a asm-declared
4123         register in neither of the input and output lists.
4124
4125 2005-03-23  DJ Delorie  <dj@redhat.com>
4126
4127         * optabs.c (expand_binop): Make sure the first subword's result
4128         gets stored.
4129
4130 2005-03-23  Joseph S. Myers  <joseph@codesourcery.com>
4131
4132         * c-common.c (c_common_truthvalue_conversion): Adjust comment.
4133         Call c_common_truthvalue_conversion rather than
4134         lang_hooks.truthvalue_conversion.
4135         * c-convert.c (convert): Call c_objc_common_truthvalue_conversion.
4136         * c-objc-common.c (c_objc_common_truthvalue_conversion): Move to
4137         c-typeck.c.
4138         * c-objc-common.h (LANG_HOOKS_TRUTHVALUE_CONVERSION): Change to
4139         c_common_truthvalue_conversion.
4140         * c-parser.c (c_parser_paren_condition, c_parser_for_statement,
4141         c_parser_conditional_expression, c_parser_binary_expression): Call
4142         c_objc_common_truthvalue_conversion.
4143         * c-typeck.c (build_unary_op): Call
4144         c_objc_common_truthvalue_conversion.
4145         (build_conditional_expr): Do not call
4146         lang_hooks.truthvalue_conversion.
4147         (build_binary_op): Call c_common_truthvalue_conversion.
4148         (c_objc_common_truthvalue_conversion): Moved from
4149         c-objc-common.c.  Call default_function_array_conversion instead
4150         of default_conversion.
4151
4152 2005-03-23  Joseph S. Myers  <joseph@codesourcery.com>
4153
4154         * c-common.h (default_conversion): Remove.
4155         (perform_integral_promotions): Add.
4156         * c-tree.h (default_conversion): Add.
4157         * c-typeck.c (perform_integral_promotions): New, split out from
4158         default_conversion.
4159         * c-common.c (check_case_value): Use perform_integral_promotions,
4160         not default_conversion.
4161         (c_add_case_label): Don't continue processing case label after
4162         found to be pointer.
4163
4164 2005-03-23  Mark Mitchell  <mark@codesourcery.com>
4165
4166         * gcc.c (do_spec_1): Do not add a -L path for a directory in
4167         the prefix list if we have already added a multilib directory
4168         based on that path.
4169         (main): Do not add MD_EXEC_PREFIX to the list of directories to
4170         search with -L.
4171
4172 2005-03-22  Kazu Hirata  <kazu@cs.umass.edu>
4173
4174         * reload1.c (indirect_symref_ok, reload_obstack): Make them
4175         static.
4176         * reload.h: Remove the prototype for indirect_symref_ok.
4177
4178         * reload1.c (indirect_symref_ok): Make it global.
4179         * reload.h: Add a prototype for indirect_symref_ok.
4180
4181 2005-03-22  Kaz Kojima  <kkojima@gcc.gnu.org>
4182
4183         * config/sh/sh.md (ashlhi3): Rename to *ashlhi3_n and add a new
4184         ashlhi3 expander.
4185
4186 2005-03-22  Tobias Schl"uter  <tobias.schlueter@physik.uni-muenchen.de>
4187
4188         * tree.h (DECL_IGNORED_P, DECL_IN_SYSTEM_HEADER): Clarify comments.
4189
4190 2005-03-22  Daniel Berlin  <dberlin@dberlin.org>
4191
4192         * c-opts.c (c_common_parse_file): Only start/end main source file
4193         if debug hooks says the writer wants it.
4194         * dbxout.c (dbx_debug_hooks): Add start_end_main_source_file
4195         member.
4196         (xcoff_debug_hooks): Ditto.
4197         * debug.c (do_nothing_hooks): Ditto.
4198         * debug.h (gcc_debug_hooks): Ditto.
4199         * dwarf2out.c (dwarf2_debug_hooks): Ditto.
4200         * sdbout.c (sdb_debug_hooks): Ditto.
4201         * vmsdbgout.c (vmsdbg_debug_hooks): Ditto.
4202
4203 2005-03-22  Mark Mitchell  <mark@codesourcery.com>
4204
4205         * doc/extend.texi: Deprecate C++ min/max operators.
4206
4207 2005-03-22  Zdenek Dvorak  <dvorakz@suse.cz>
4208
4209         * tree-ssa-loop-ivopts.c (determine_iv_cost): Do not try to preserve
4210         artificial original candidates.
4211
4212 2005-03-22  Richard Guenther <rguenth@tat.physik.uni-tuebingen.de>
4213             Jan Hubicka  <jh@suse.cz>
4214             Steven Bosscher <stevenb@suse.de>
4215
4216         * cgraphunit.c (cgraph_estimate_size_after_inlining): Compute
4217         call cost based on argument sizes.
4218         (cgraph_mark_inline_edge): Avoid inline unit from shrinking by
4219         inlining.
4220         * params.def: (max-inline-inssn-single): Set to 450.
4221         (max-inline-insns-auto): Set to 90.
4222         (max-inline-insns-recursive): Set to 450
4223         (max-inline-insns-recursive-auto): Set to 450.
4224         (large-function-insns): Set to 2700.
4225         (inline-call-cost): New parameter.
4226         * tree-inline.c (estimate_move_cost): New function.
4227         (estimate_num_insns_1): Compute move sizes costs by estimate_move_cost
4228         for non-gimple-regs, set cost to 0 for gimple-regs.  Compute call size
4229         based on arguments.
4230         * tree-inline.h (estimate_move_cost): Declare.
4231         * invoke.texi: (max-inline-inssn-single): Change default to 450.
4232         (max-inline-insns-auto): Change default to 90.
4233         (max-inline-insns-recursive): Change default to 450
4234         (max-inline-insns-recursive-auto): Change default to 450.
4235         (large-function-insns): Change default to 2700.
4236         (inline-call-cost): Document new parameter.
4237
4238 2005-03-22  Richard Sandiford  <rsandifo@redhat.com>
4239
4240         * config/i860/i860.h (target_flags, TARGET_XP, TARGET_SWITCHES)
4241         (TARGET_DEFAULT): Delete.
4242         * config/i860/i860.opt: New file.
4243
4244 2005-03-22  Richard Sandiford  <rsandifo@redhat.com>
4245
4246         * config/frv/frv-protos.h (frv_branch_cost_string, frv_branch_cost_int)
4247         (frv_cpu_string, frv_condexec_insns_str, frv_condexec_insns)
4248         (frv_condexec_temps_str, frv_condexec_temps, frv_sched_lookahead_str)
4249         (frv_sched_lookahead): Delete.
4250         * config/frv/frv.h (MASK_DEFAULT_ALLOC_CC): Move to frv.c.
4251         (target_flags, MASK_GPR_32, MASK_FPR_32, MASK_SOFT_FLOAT)
4252         (MASK_ALLOC_CC, MASK_DWORD, MASK_DOUBLE, MASK_MEDIA, MASK_MULADD)
4253         (MASK_LIBPIC, MASK_ACC_4,  MASK_PACK, MASK_LONG_CALLS)
4254         (MASK_ALIGN_LABELS, MASK_LINKED_FP, MASK_BIG_TLS, MASK_DEBUG_ARG)
4255         (MASK_DEBUG_ADDR, MASK_DEBUG_STACK, MASK_DEBUG, MASK_DEBUG_LOC)
4256         (MASK_DEBUG_COND_EXEC, MASK_NO_COND_MOVE, MASK_NO_SCC)
4257         (MASK_NO_COND_EXEC, MASK_NO_VLIW_BRANCH, MASK_NO_MULTI_CE)
4258         (MASK_FDPIC, MASK_INLINE_PLT, MASK_GPREL_RO, MASK_DEFAULT)
4259         (TARGET_GPR_32, TARGET_FPR_32, TARGET_SOFT_FLOAT, TARGET_ALLOC_CC)
4260         (TARGET_DWORD, TARGET_DOUBLE, TARGET_MEDIA, TARGET_MULADD)
4261         (TARGET_LIBPIC, TARGET_ACC_4, TARGET_DEBUG_ARG, TARGET_DEBUG_ADDR)
4262         (TARGET_DEBUG_STACK, TARGET_DEBUG, TARGET_DEBUG_LOC)
4263         (TARGET_DEBUG_COND_EXEC, TARGET_NO_COND_MOVE, TARGET_NO_SCC)
4264         (TARGET_NO_COND_EXEC, TARGET_NO_VLIW_BRANCH, TARGET_NO_MULTI_CE)
4265         (TARGET_NO_NESTED_CE, TARGET_FDPIC, TARGET_INLINE_PLT, TARGET_BIG_TLS)
4266         (TARGET_GPREL_RO, TARGET_PACK, TARGET_LONG_CALLS, TARGET_ALIGN_LABELS)
4267         (TARGET_LINKED_FP, TARGET_GPR_64, TARGET_FPR_64, TARGET_HARD_FLOAT)
4268         (TARGET_FIXED_CC, TARGET_COND_MOVE, TARGET_SCC, TARGET_COND_EXEC)
4269         (TARGET_VLIW_BRANCH, TARGET_MULTI_CE, TARGET_NESTED_CE, TARGET_ACC_8)
4270         (TARGET_SWITCHES, TARGET_OPTIONS, DEFAULT_CONDEXEC_TEMPS)
4271         (DEFAULT_BRANCH_COST, DEFAULT_CONDEXEC_INSNS): Delete.
4272         * config/frv/frv.c (frv_branch_cost_string, frv_branch_cost_int)
4273         (frv_cpu_string, frv_condexec_insns_str, frv_condexec_insns)
4274         (frv_condexec_temps_str, frv_condexec_temps, frv_sched_lookahead_str)
4275         (frv_sched_lookahead): Delete.
4276         (MASK_DEFAULT_ALLOC_CC): Moved from frv.h.
4277         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
4278         (frv_handle_option): New function.  Move -mcpu= handling from...
4279         (frv_override_options): ...here.  Remove handling of other
4280         TARGET_OPTIONS.
4281         (frv_ifcvt_modify_tests): Check !TARGET_COND_EXEC instead of
4282         TARGET_NO_COND_EXEC and !TARGET_NESTED_CE to TARGET_NO_NESTED_CE.
4283         (frv_ifcvt_modify_multiple_tests): Likewise !TARGET_MULTI_CE
4284         and TARGET_NO_MULTI_CE.
4285         (frv_for_each_packet): Likewise TARGET_NO_VLIW_BRANCH and
4286         !TARGET_VLIW_BRANCH.
4287         * config/frv/frv.opt: New file.
4288
4289 2005-03-22  Kazu Hirata  <kazu@cs.umass.edu>
4290
4291         * fold-const.c (fold_ternary): Take decomposed arguments of
4292         CALL_EXPR.
4293         (fold): Update a call to fold_ternary.
4294
4295         * fold-const.c (fold_build1, fold_build2, fold_build3): New.
4296         * tree.h: Add corresponding prototypes.
4297
4298 2005-03-22  Jakub Jelinek  <jakub@redhat.com>
4299
4300         PR target/20561
4301         * cfglayout.c (reemit_insn_block_notes): Don't put block notes in
4302         between jump table and its label.
4303         * final.c (shorten_branches): Handle notes in between ADDR_VEC
4304         resp. ADDR_DIFF_VEC and the label preceeding it.
4305         (final_scan_insn): Likewise.  Ensure ADDR_VEC resp. ADDR_DIFF_VEC
4306         is emitted in the right section.
4307
4308 2005-03-22  Kazu Hirata  <kazu@cs.umass.edu>
4309
4310         * fold-const.c (fold_unary, fold_binary): Update comments
4311         about arguments.
4312
4313 2005-03-22  Hans-Peter Nilsson  <hp@axis.com>
4314
4315         PR rtl-optimization/20527
4316         * combine.c (can_combine_p) [AUTO_INC_DEC]: When INSN has an
4317         REG_INC note, test that the register also isn't mentioned in PRED
4318         or SUCC.
4319
4320 2005-03-22  Ben Elliston  <bje@au.ibm.com>
4321
4322         * dwarf2out.c (dwarf_type_encoding_name): Remove unused prototype
4323         and definition.
4324
4325 2005-03-21  Mike Stump  <mrs@apple.com>
4326
4327         * varasm.c (default_assemble_visibility): Remove extra ().
4328
4329 2005-03-21  Roger Sayle  <roger@eyesopen.com>
4330
4331         PR middle-end/20557
4332         * bb-reorder.c (duplicate_computed_gotos): Use can_duplicate_block_p
4333         to determine whether a block can be duplicated, rather than test
4334         whether the block contains noncopyable insns ourselves.
4335
4336 2005-03-21  Kazu Hirata  <kazu@cs.umass.edu>
4337
4338         * config/i860/i860.h (PREDICATE_CODES): Remove nonexistent
4339         predicates.
4340
4341 2005-03-21  Richard Sandiford  <rsandifo@redhat.com>
4342
4343         * config/ip2k/ip2k.h (target_flags, TARGET_SWITCHES): Delete.
4344
4345 2005-03-21  Richard Sandiford  <rsandifo@redhat.com>
4346
4347         * config/fr30/fr30.h (TARGET_SMALL_MODEL_MASK, TARGET_SMALL_MODEL)
4348         (TARGET_DEFAULT, target_flags, TARGET_SWITCHES): Delete.
4349         * config/fr30/fr30.opt: New file.
4350
4351 2005-03-18  Daniel Berlin  <dberlin@dberlin.org>
4352
4353         Fix PR tree-optimization/20542
4354
4355         * tree-flow-inline.h (overlap_subvar): Move to here.
4356         * tree-ssa-operands.c: From here.
4357         * tree-flow.h (overlap_subvar): Declare.
4358         * tree-ssa-alias.c (add_pointed_to_var): Use overlap_subvar here.
4359         * tree-ssa-loop-im.c (is_call_clobbered_ref): Return proper answer
4360         for variables with subvars.
4361
4362 2005-03-21 Mostafa Hagog <mustafa@il.ibm.com>
4363
4364         PR middle-end/20177
4365         * ddg.c (create_ddg_dependence): Ignore reg-anti dependency.
4366         * modulo-sched.c (const_iteration_count): Return on NULL
4367         pre-header.
4368         (print_node_sched_params): Return on NULL dump_file.
4369         (generate_reg_moves): Handle reg-anti dependencies and disregard
4370         closing branch when generating register moves.
4371         (sms_schedule): Mark the SMSed block dirty.
4372         * passes.c (rest_of_handle_sms): Call update_life_info for all
4373         basic-blocks.
4374         * testsuite/gcc.dg/20050321-1.c: New test.
4375
4376 2005-03-21  Bob Wilson  <bob.wilson@acm.org>
4377
4378         * config/xtensa/lib1funcs.asm (__mulsi3): Use symbolic name for ACCLO.
4379         * config/xtensa/xtensa.md (movsi_internal, movhi_internal,
4380         movqi_internal): Likewise.
4381
4382 2005-03-21  Bob Wilson  <bob.wilson@acm.org>
4383
4384         * config/xtensa/xtensa-protos.h: (xtensa_simm7, xtensa_uimm8,
4385         xtensa_uimm8x2, xtensa_uimm8x4, xtensa_ai4const, xtensa_lsi4x4,
4386         xtensa_b4const): Delete prototypes.
4387         (xtensa_simm8, xtensa_simm8x256, xtensa_simm12b, xtensa_b4constu,
4388         xtensa_mask_immediate, xtensa_mem_offset): Update prototypes.
4389         (xtensa_b4const_or_zero, xtensa_const_ok_for_letter_p,
4390         xtensa_extra_constraint): New prototypes.
4391         (add_operand, arith_operand, nonimmed_operand, mem_operand,
4392         mask_operand, extui_fldsz_operand, sext_operand, sext_fldsz_operand,
4393         lsbitnum_operand, branch_operand, ubranch_operand, call_insn_operand,
4394         move_operand, const_float_1_operand, fpmem_offset_operand,
4395         branch_operator, ubranch_operator, boolean_operator): Delete prototypes.
4396         * config/xtensa/xtensa.c (b4const_or_zero): Rename to ...
4397         (xtensa_b4const_or_zero): ...this.  Change return type to bool and
4398         argument type to HOST_WIDE_INT.
4399         (xtensa_simm8, xtensa_simm8x256, xtensa_simm12b,
4400         xtensa_mask_immediate): Likewise.
4401         (xtensa_uimm8, xtensa_uimm8x2, xtensa_uimm8x4, xtensa_b4const):
4402         Likewise.  Also make these functions static.
4403         (xtensa_simm7, xtensa_ai4const, xtensa_lsi4x4): Delete.
4404         (xtensa_const_ok_for_letter_p): New.
4405         (add_operand, arith_operand, nonimmed_operand, mem_operand,
4406         mask_operand, extui_fldsz_operand, sext_operand, sext_fldsz_operand,
4407         lsbitnum_operand, branch_operand, ubranch_operand, call_insn_operand,
4408         move_operand, const_float_1_operand, fpmem_offset_operand,
4409         branch_operator, ubranch_operator, boolean_operator): Move to
4410         predicates.md.
4411         (smalloffset_mem_p): Inline code from xtensa_lsi4x4.
4412         (xtensa_mem_offset): Change return type to bool.
4413         (xtensa_extra_constraint): New.
4414         (gen_int_relational): Update type of const_range_p function pointer.
4415         Use xtensa_b4const_or_zero.
4416         * config/xtensa/xtensa.h (CONST_OK_FOR_LETTER_P): Define to
4417         xtensa_const_ok_for_letter_p.  Update comments.
4418         (EXTRA_CONSTRAINT): Define to xtensa_extra_constraint.
4419         (PREDICATE_CODES): Delete.
4420         * config/xtensa/xtensa.md: Include predicates.md.
4421         * config/xtensa/predicates.md: New file.
4422
4423 2005-03-21  Kazu Hirata  <kazu@cs.umass.edu>
4424
4425         * config/v850/v850-protos.h: Remove the prototypes for
4426         reg_or_int9_operand, reg_or_const_operand,
4427         pattern_is_ok_for_prepare, pattern_is_ok_for_dispose,
4428         reg_or_0_operand, reg_or_int5_operand, call_address_operand,
4429         movsi_source_operand, power_of_two_operand,
4430         not_power_of_two_operand, special_symbolref_operand,
4431         pattern_is_ok_for_prologue, pattern_is_ok_for_epilogue, and
4432         register_is_ok_for_epilogue.
4433         * config/v850/v850.c (reg_or_0_operand, reg_or_int5_operand,
4434         reg_or_int9_operand, reg_or_const_operand,
4435         call_address_operand, special_symbolref_operand,
4436         movsi_source_operand, power_of_two_operand,
4437         not_power_of_two_operand, register_is_ok_for_epilogue,
4438         pattern_is_ok_for_epilogue, pattern_is_ok_for_prologue,
4439         pattern_is_ok_for_dispose, pattern_is_ok_for_prepare): Move to
4440         predicates.md.
4441         * config/v850/v850.h (PREDICATE_CODES): Remove.
4442         * config/v850/v850.md: Include predicates.md.
4443         * config/v850/predicates.md: New.
4444
4445 2005-03-21  Zack Weinberg  <zack@codesourcery.com>
4446
4447         * Makefile.in (BASEVER, DEVPHASE, DATESTAMP)
4448         (BASEVER_c, DEVPHASE_c, DATESTAMP_c)
4449         (BASEVER_s, DEVPHASE_s, DATESTAMP_s, version): Set with :=.
4450         (itoolsdir, itoolsdatadir): Move definition above new first use.
4451         (install-itoolsdirs): New rule.
4452         (install-mkheaders): Depend on install-itoolsdirs, not
4453         install-include-dir.
4454
4455 2005-03-21  Kazu Hirata  <kazu@cs.umass.edu>
4456
4457         * tree-into-ssa.c: Remove obsolete comments.
4458
4459 2005-03-21  Richard Guenther  <rguenth@gcc.gnu.org>
4460
4461         * tree-ssa-loop.c (gate_tree_complete_unroll): Run complete
4462         unrolling if -fpeel-loops is specified, too.
4463         * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely):
4464         Remove superfluous check for flag_unroll_loops.
4465
4466 2005-03-21  Uros Bizjak  <uros@kss-loka.si>
4467
4468         * optabs.h (enum optab_index): Add new OTI_lrint and OTI_llrint.
4469         (lrint_optab, llrint_optab): Define corresponding macros.
4470         * optabs.c (init_optabs): Initialize lrint_optab and llrint_optab.
4471         * genopinit.c (optabs): Implement lrint_optab using lrintsi2
4472         pattern and llrint_optab using llrintdi2 patterns.
4473         * builtins.c (expand_builtin_mathfn): Handle BUILT_IN_LRINT{,F,L}
4474         using lrint_optab and BUILT_IN_LLRINT{,F,L} using llrint_optab.
4475         (expand_builtin): Expand BUILT_IN_LRINT{,F,L} and
4476         BUILT_IN_LLRINT{,F,L} using expand_builtin_mathfn if
4477         flag_unsafe_math_optimizations is set.
4478
4479 2005-03-21  Paolo Bonzini  <bonzini@gnu.org>
4480
4481         * combine.c (combine_simplify_rtx, simplify_if_then_else,
4482         simplify_logical, if_then_else_cond, known_cond,
4483         simplify_comparison): Adjust calls to reverse_comparison.
4484         Don't use combine_reversed_comparison_code).
4485         (combine_reversed_comparison_code): Remove.
4486         (reversed_comparison): Using reversed_comparison_code, move it...
4487         * jump.c (reversed_comparison): ... here.
4488         * rtl.h (reversed_comparison): Add prototype.
4489
4490 2005-03-21  Kazu Hirata  <kazu@cs.umass.edu>
4491
4492         * builtins.c (fold_builtin): Take decomposed arguments of
4493         CALL_EXPR.
4494         * fold-const.c (fold_ternary): Update a call to fold_builtin.
4495         * gimplify.c (gimplify_call_expr): Likewise.
4496         * tree-ssa-ccp.c (ccp_fold, ccp_fold_builtin): Likewise.
4497         * tree.h: Update the prototype of fold_builtin.
4498
4499 2005-03-21  Paolo Bonzini  <bonzini@gnu.org>
4500
4501         * rtl.h (struct rtx_hooks): Add gen_lowpart_no_emit.
4502         * rtlhooks.c (gen_lowpart_no_emit_general): New.
4503         * rtlhooks-def.h (gen_lowpart_no_emit_general): Declare.
4504         (RTL_HOOKS_GEN_LOWPART_NO_EMIT): New.
4505         * simplify-rtx.c (simplify_binary_operation_1): Use it.
4506
4507 2005-03-21  Kazu Hirata  <kazu@cs.umass.edu>
4508
4509         * builtins.c (fold_builtin_1): Take decomposed arguments of
4510         CALL_EXPR.
4511         (fold_builtin): Update a call to fold_builtin_1.
4512
4513 2005-03-21  Nathan Sidwell  <nathan@codesourcery.com>
4514
4515         PR other/20564
4516         * gcov.c (output_lines): Only output function block summary when
4517         outputting branch information.
4518         * doc/gcov.texi: Document format of preamble and additional block
4519         information lines.
4520
4521 2005-03-21  Richard Sandiford  <rsandifo@redhat.com>
4522
4523         * libgcc2.h (LIBGCC2_HAS_SF_MODE): New macro.
4524         (LIBGCC2_HAS_DF_MODE, LIBGCC2_HAS_TF_MODE, LIBGCC2_HAS_XF_MODE): Make
4525         the defaults false if BITS_PER_UNIT != 8.
4526         (SFtype, SCtype, __fixsfdi, __floatdisf, __fixunssfSI, __fixunssfDI)
4527         (__powisf2, __divsc3, __mulsc3): Guard with LIBGCC2_HAS_SF_MODE rather
4528         than BITS_PER_UNIT != 8.
4529         (L_fixdfdi, L_fixsfdi, L_fixtfdi, L_fixunsdfdi, L_fixunsdfsi)
4530         (L_fixunssfdi, L_fixunssfsi, L_fixunstfdi, L_fixunsxfdi, L_fixunsxfsi)
4531         (L_fixxfdi, L_floatdidf, L_floatdisf, L_floatditf, L_floatdixf): Remove
4532         #undefs.
4533         * libgcc2.c (__fixunssfDI, __fixsfdi, __floatdisf, __fixunssfSI)
4534         (__powisf2, __divsc3, __mulsc3): Guard with LIBGCC2_HAS_SF_MODE.
4535
4536 2005-03-20  Roger Sayle  <roger@eyesopen.com>
4537
4538         PR middle-end/20539
4539         * fold-const.c (fold_binary): Fix type mismatch between
4540         TRUTH_{AND,OR,XOR}_EXPR nodes an their operands' types.
4541         (fold_binary) <TRUTH_XOR_EXPR>: Avoid calling invert_truthvalue
4542         for non-truth-valued expressions.
4543
4544         * c-common.c (c_common_truthvalue_conversion): Handle ERROR_MARK
4545         and FUNCTION_DECL in the main switch.
4546         <TRUTH_ANDIF_EXPR, TRUTH_ORIF_EXPR, TRUTH_AND_EXPR, TRUTH_OR_EXPR,
4547         TRUTH_XOR_EXPR>: When changing the result type of these tree nodes,
4548         we also need to convert their operands to match.
4549         <TRUTH_NOT_EXPR>: Likewise.
4550
4551 2005-03-21  Joseph S. Myers  <joseph@codesourcery.com>
4552
4553         * c-common.c (lvalue_or_else): Replace by lvalue_error; only give
4554         diagnostic without checking whether an lvalue.
4555         * c-common.h (lvalue_p): Remove.
4556         (enum lvalue_use): Update comment.
4557         (lvalue_or_else): Replace by lvalue_error.
4558         * c-typeck.c (lvalue_p): Make static.
4559         (lvalue_or_else): New.  Call lvalue_error.
4560
4561 2005-03-21  Alan Modra  <amodra@bigpond.net.au>
4562
4563         * config/rs6000/rs6000.c (rs6000_parm_start): New function.
4564         (function_arg_advance): Use rs6000_parm_start.
4565         (function_arg, rs6000_arg_partial_bytes): Likewise.
4566
4567 2005-03-20  Joseph S. Myers  <joseph@codesourcery.com>
4568
4569         * c-common.c (check_case_value): Adjust comment about stripping
4570         NOPs.
4571         (handle_vector_size_attribute): Don't strip NON_LVALUE_EXPR.
4572         * c-typeck.c (default_conversion, convert_arguments,
4573         build_modify_expr, convert_for_assignment, store_init_value,
4574         digest_init): Use STRIP_TYPE_NOPS instead of stripping nops
4575         manually.  Remove inaccurate comments.
4576
4577 2005-03-20  Roger Sayle  <roger@eyesopen.com>
4578             Joseph S. Myers  <joseph@codesourcery.com>
4579
4580         * varasm.c (do_assemble_alias): Restore comment describing function.
4581         Annotate the target parameter as potentially unused.
4582
4583 2005-03-20  Marek Michalkiewicz  <marekm@amelek.gda.pl>
4584
4585         PR target/18551
4586         * config/avr/avr.c (avr_output_function_prologue): Do not use
4587         current_function_name() in a label, use a local label instead.
4588
4589 2005-03-20  David Edelsohn  <edelsohn@gnu.org>
4590
4591         * config/rs6000/rs6000.c (rs6000_generate_compare): Test
4592         flag_finite_math_only, not flag_unsafe_math_optimizations.
4593
4594 2005-03-20  Kazu Hirata  <kazu@cs.umass.edu>
4595
4596         * builtins.c (fold_builtin_1): Update a call to
4597         targetm.fold_builtin.
4598         * hooks.c (hook_tree_tree_bool_null): Rename to
4599         hook_tree_tree_tree_bool_null.  Take one more argument of type
4600         tree.
4601         * hooks.h: Update the prototype of hook_tree_tree_bool_null.
4602         * target-def.h (TARGET_FOLD_BUILTIN): Define it as
4603         hook_tree_tree_tree_bool_null.
4604         * target.h (gcc_target): Update the prototype of fold_builtin.
4605         * config/alpha/alpha.c (alpha_fold_builtin): Take decomposed
4606         arguments of CALL_EXPR.
4607         * doc/tm.texi (TARGET_FOLD_BUILTIN): Update.  Mention the
4608         new prototype.
4609
4610 2005-03-20  Jan Hubicka  <jh@suse.cz>
4611
4612         * cgraph.h (cgraph_node): Add prev_clone pointer.
4613         * cgraph.c (cgraph_remove_node): Remove from doubly linked chain.
4614         (cgraph_clone_node): Produce doubly linked chain.
4615
4616 2005-03-20  Joseph S. Myers  <joseph@codesourcery.com>
4617
4618         * c-common.c (handle_aligned_attribute, check_function_sentinel,
4619         get_nonnull_operand, handle_sentinel_attribute,
4620         check_function_arguments_recurse): Do not strip NOPS from
4621         INTEGER_CSTs.
4622         * c-decl.c (check_bitfield_type_and_width, build_enumerator):
4623         Likewise.
4624         * c-format.c (get_constant): Likewise.
4625         * c-parser.c (c_parser_postfix_expression): Likewise.
4626         * c-typeck.c (set_init_index): Likewise.
4627         (convert_arguments): Don't check for NOP_EXPR containing integer
4628         constant.
4629
4630 2005-03-20  Kazu Hirata  <kazu@cs.umass.edu>
4631
4632         * builtins.c (fold_fixed_mathfn, fold_builtin_trunc,
4633         fold_builtin_floor, fold_builtin_ceil, fold_builtin_lround):
4634         Take decomposed arguments of CALL_EXPR.
4635         (fold_builtin_1): Update calls to the functions mentioned
4636         above.
4637
4638 2005-03-20  Joseph S. Myers  <joseph@codesourcery.com>
4639
4640         * c-decl.c (check_bitfield_type_and_width): Require bit-field
4641         width to have integer type.
4642         (build_enumerator): Require enumerator value to have integer type.
4643
4644 2005-03-19  Joseph S. Myers  <joseph@codesourcery.com>
4645
4646         * doc/extend.texi (__builtin_inf): Move statement about INFINITY
4647         to __builtin_inff.
4648
4649 2005-03-19  Joseph S. Myers  <joseph@codesourcery.com>
4650
4651         * c.opt (ansi, std=iso9899:1990, std=iso9899:1999,
4652         std=iso9899:199x): Correct descriptions.
4653
4654 2005-03-19  Joseph S. Myers  <joseph@codesourcery.com>
4655
4656         * config.gcc: Consistently use solaris2.1[0-9]* instead of
4657         solaris2.1[0-9].
4658
4659 2005-03-19  Kazu Hirata  <kazu@cs.umass.edu>
4660
4661         * builtins.c (fold_builtin_memcpy): Take decomposed arguments
4662         of CALL_EXPR.
4663         (expand_builtin_memcpy, fold_builtin_1): Update calls to
4664         fold_builtin_memcpy.
4665
4666         * builtins.c (fold_trunc_transparent_mathfn): Take decomposed
4667         arguments of CALL_EXPR.
4668         (fold_builtin_trunc, fold_builtin_floor, fold_builtin_ceil,
4669         fold_builtin_found, fold_builtin_1): Update calls to
4670         fold_trunc_transparent_mathfn.
4671
4672 2005-03-19  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4673
4674         PR middle-end/20493
4675         * fold-const.c (fold_widened_comparison): Don't optimize casts of
4676         function pointers on targets that require function pointer
4677         canonicalization.
4678         (fold_sign_changed_comparison): Likewise.
4679
4680 2005-03-19  Bernd Schmidt  <bernd.schmidt@analog.com>
4681
4682         * combine.c (try_combine): When changing the mode of a hard reg, make
4683         sure that doing so is valid.
4684
4685 2005-03-19  Richard Sandiford  <rsandifo@redhat.com>
4686
4687         * config/avr/avr.c (avr_init_stack, avr_mcu_name): Make static.
4688         (TARGET_HANDLE_OPTION): Override default.
4689         (avr_handle_option): New function.
4690         * config/avr/avr.h (MASK_ALL_DEBUG, MASK_ORDER_1, MASK_INSN_SIZE_DUMP)
4691         (MASK_ORDER_2, MASK_NO_TABLEJUMP, MASK_INT8, MASK_NO_INTERRUPTS)
4692         (MASK_CALL_PROLOGUES, MASK_TINY_STACK, MASK_SHORT_CALLS)
4693         (TARGET_ORDER_1, TARGET_ORDER_2, TARGET_INT8, TARGET_NO_INTERRUPTS)
4694         (TARGET_INSN_SIZE_DUMP, TARGET_CALL_PROLOGUES, TARGET_TINY_STACK)
4695         (TARGET_NO_TABLEJUMP, TARGET_SHORT_CALLS, TARGET_ALL_DEBUG)
4696         (TARGET_SWITCHES, avr_init_stack, avr_mcu_name)
4697         (TARGET_OPTIONS): Delete.
4698         * config/avr/avr.opt: New file.
4699
4700 2005-03-18  2005-03-18  Kazu Hirata  <kazu@cs.umass.edu>
4701
4702         * config/m32r/m32r-protos.h: Remove the prototypes for
4703         call_address_operand, symbolic_operand, seth_add3_operand,
4704         cmp_int16_operand, uint16_operand, reg_or_int16_operand,
4705         reg_or_uint16_operand, reg_or_cmp_int16_operand,
4706         two_insn_const_operand, move_src_operand,
4707         move_double_src_operand, move_dest_operand,
4708         eqne_comparison_operator, signed_comparison_operator,
4709         large_insn_p, conditional_move_operand, carry_compare_operand,
4710         m32r_block_immediate_operand, extend_operand,
4711         reg_or_eq_int16_operand, int8_operand, and
4712         reg_or_zero_operand.
4713         * config/m32r/m32r.c (call_address_operand, symbolic_operand,
4714         seth_add3_operand, int8_operand, cmp_int16_operand,
4715         uint16_operand, reg_or_int16_operand, reg_or_uint16_operand,
4716         reg_or_eq_int16_operand, reg_or_cmp_int16_operand,
4717         reg_or_zero_operand, two_insn_const_operand, move_src_operand,
4718         move_double_src_operand, move_dest_operand,
4719         eqne_comparison_operator, signed_comparison_operator,
4720         extend_operand, small_insn_p, large_insn_p,
4721         conditional_move_operand, carry_compare_operand,
4722         m32r_block_immediate_operand): Move to predicates.md.
4723         (MAX_MOVE_BYTES): Move to m32r.h.
4724         * config/m32r/m32r.h (PREDICATE_CODES): Remove.
4725         * config/m32r/m32r.md: Include predicates.md.
4726         * config/m32r/predicates.md: New.
4727
4728 2005-03-18  James E Wilson  <wilson@specifixinc.com>
4729
4730         PR c++/19769
4731         * dwarf2out.c (declare_in_namespace): Ignore decls with an abstract
4732         origin.
4733
4734 2005-03-18  Kazu Hirata  <kazu@cs.umass.edu>
4735
4736         * config/mn10300/mn10300-protos.h: Remove the prototypes for
4737         call_address_operand, const_8bit_operand.
4738         * config/mn10300/mn10300.c (call_address_operand,
4739         const_8bit_operand, const_1f_operand): Move to predicates.md.
4740         * config/mn10300/mn10300.h (PREDICATE_CODES): Remove.
4741         * config/mn10300/mn10300.md: Include predicates.md.
4742         * config/mn10300/predicates.md: New.
4743
4744 2005-03-18  Joseph S. Myers  <joseph@codesourcery.com>
4745
4746         * c-common.c, c-decl.c, c-format.c, c-typeck.c: Use %D for
4747         declarations in diagnostics and %E for identifiers, not %s.
4748
4749 2005-03-18  Jan Hubicka  <jh@suse.cz>
4750             Dale Johannesen  <dalej@apple.com>
4751
4752         * basic-block.h (scale_bbs_frequencies_int,
4753         scale_bbs_frequencies_gcov_type): Declare.
4754         * cfg.c (RDIV): New macro.
4755         (update_bb_frequency_for_threading): Fix.
4756         * basic-block.h (scale_bbs_frequencies_int,
4757         scale_bbs_frequencies_gcov_type): New.
4758         * cfgloopmanip.c (scale_bbs_frequencies): Kill.
4759         (scale_loop_frequencies, duplicate_loop_to_header_edge): Use
4760         scale_bbs_frequencies_int.
4761         * tree-ssa-loop-ch.c (copy_loop_headers): Fix profiling info.
4762
4763 2005-03-18  Kazu Hirata  <kazu@cs.umass.edu>
4764
4765         * config/m32r/m32r-protos.h: Remove the prototypes for
4766         call_address_operand, symbolic_operand, seth_add3_operand,
4767         cmp_int16_operand, uint16_operand, reg_or_int16_operand,
4768         reg_or_uint16_operand, reg_or_cmp_int16_operand,
4769         two_insn_const_operand, move_src_operand,
4770         move_double_src_operand, move_dest_operand,
4771         eqne_comparison_operator, signed_comparison_operator,
4772         large_insn_p, conditional_move_operand, carry_compare_operand,
4773         m32r_block_immediate_operand, extend_operand,
4774         reg_or_eq_int16_operand, int8_operand, and
4775         reg_or_zero_operand.
4776         * config/m32r/m32r.c (call_address_operand, symbolic_operand,
4777         seth_add3_operand, int8_operand, cmp_int16_operand,
4778         uint16_operand, reg_or_int16_operand, reg_or_uint16_operand,
4779         reg_or_eq_int16_operand, reg_or_cmp_int16_operand,
4780         reg_or_zero_operand, two_insn_const_operand, move_src_operand,
4781         move_double_src_operand, move_dest_operand,
4782         eqne_comparison_operator, signed_comparison_operator,
4783         extend_operand, small_insn_p, large_insn_p,
4784         conditional_move_operand, carry_compare_operand,
4785         m32r_block_immediate_operand): Move to predicates.md.
4786         (MAX_MOVE_BYTES): Move to m32r.h.
4787         * config/m32r/m32r.h (PREDICATE_CODES): Remove.
4788         * config/m32r/m32r.md: Include predicates.md.
4789         * config/m32r/predicates.md: New.
4790
4791         * config/pa/pa-protos.h: Add prototypes for magic_milli and
4792         shadd_constant_p.
4793         * config/pa/pa.c (reg_or_0_operand, call_operand_address,
4794         symbolic_operand, symbolic_memory_operand,
4795         reg_or_0_or_nonsymb_mem_operand, reg_before_reload_operand,
4796         indexed_memory_operand, move_dest_operand, move_src_operand,
4797         prefetch_cc_operand, prefetch_nocc_operand,
4798         reg_or_cint_move_operand, pic_label_operand, fp_reg_operand,
4799         arith_operand, arith11_operand, pre_cint_operand,
4800         post_cint_operan, arith_double_operand, ireg_or_int5_operand,
4801         ireg_operand, int5_operand, uint5_operand, int11_operand,
4802         uint32_operand, arith5_operand, and_operand, ior_operand,
4803         lhs_lshift_operand, lhs_lshift_cint_operand, arith32_operand,
4804         pc_or_label_operand, div_operand, plus_xor_ior_operator,
4805         shadd_operand, movb_comparison_operator,
4806         cmpib_comparison_operator): Move to predicates.md.
4807         (magic_milli, shadd_constant_p): Make it extern.
4808         * config/pa/pa.h (PREDICATE_CODES): Remove.
4809         * config/pa/pa.md: Include predicates.md.
4810         * config/pa/predicates.md: New.
4811
4812         * config/v850/v850.h (PREDICATE_CODES): Remove a nonexistent
4813         predicate.
4814
4815 2005-03-18  Kazu Hirata  <kazu@cs.umass.edu>
4816
4817         * hooks.c, hooks.h, intl.c, opts.h, prefix.c, tree-gimple.c,
4818         config/alpha/ev4.md, config/alpha/ev5.md, config/alpha/ev6.md,
4819         config/alpha/freebsd.h, config/alpha/linux.h,
4820         config/alpha/netbsd.h, config/alpha/osf5.h,
4821         config/alpha/vms.h, config/arc/arc.c, config/arc/arc.h,
4822         config/h8300/h8300-protos.h, config/h8300/h8300.c,
4823         config/h8300/h8300.h, config/ia64/unwind-ia64.c,
4824         doc/cppopts.texi: Update copyright.
4825
4826 2005-03-18  Jan Hubicka  <jh@suse.cz>
4827
4828         PR middle-end/20225
4829         * cgraph.c (cgraph_mark_reachable_node): Assert that it is not called
4830         too late.
4831         * varasm.c (find_decl_and_mark_needed): Mark needed only when not
4832         called too late.
4833
4834 2005-03-18  Kazu Hirata  <kazu@cs.umass.edu>
4835
4836         * tree-into-ssa.c (find_idf): Use VEC_quick_push instead of
4837         VEC_safe_push.
4838
4839 2005-03-18  Paolo Bonzini  <bonzini@gnu.org>
4840
4841         * combine.c (gen_binary): Remove.
4842         (known_cond, simplify_shift_const, find_split_point,
4843         combine_simplify_rtx, simplify_if_then_else, simplify_set,
4844         simplify_logical, expand_field_assignment, extract_left_shift,
4845         force_to_mode, if_then_else_cond, apply_distributive_law,
4846         simplify_and_const_int, simplify_shift_const, gen_lowpart_for_combine,
4847         simplify_comparison, reversed_comparison): Replace with
4848         simplify_gen_binary, simplify_gen_relational or
4849         distribute_and_simplify_rtx.
4850         (distribute_and_simplify_rtx): New function.
4851
4852 2005-03-18  Alexey Neyman  <alex.neyman@auriga.ru>
4853             Paolo Bonzini  <gcc.gnu.org>
4854
4855         * calls.c (setjmp_call_p, special_function_p): Update comments
4856         at the head of the functions.
4857
4858 2005-03-18  Jan Hubicka  <jh@suse.cz>
4859
4860         * tree-cfg.c (fold_cond_expr_cond): Use boolean types for condition.
4861
4862         * cgraph.c (cgraph_remove_node): Avoid loop in code deciding whether
4863         function body should be released; do not proactively release function
4864         bodies in non-unit-at-a-time mode.
4865
4866 2005-03-18  Ralf Corsepius  <ralf.corsepius@rtems.org>
4867
4868         * config/i386/t-rtems-i386 (MULTILIBS): Remove k6, athlon,
4869         mno-fp-ret-in-387 multilib variants.
4870
4871 2005-03-18  Richard Sandiford  <rsandifo@redhat.com>
4872
4873         * common.opt (m): Remove.
4874         * opts.c (handle_option): Pass 'm' options to set_target_switch if
4875         table lookup fails.
4876         (common_handle_option): Remove OPT_m case.
4877
4878 2005-03-18  Kazu Hirata  <kazu@cs.umass.edu>
4879
4880         * builtins.c (fold_builtin_bitop): Take decomposed arguments
4881         of CALL_EXPR.
4882         (fold_builtin_1): Update a call to fold_builtin_bitop.
4883
4884         * builtins.c (fold_builtin_signbit): Take decomposed arguments
4885         of CALL_EXPR.
4886         (fold_builtin_1): Update a call to fold_builtin_signbit.
4887
4888 2005-03-17  Dorit Naishlos  <dorit@il.ibm.com>
4889
4890         PR tree-optimization/20474
4891         * tree-vect-analyze.c (vect_analyze_pointer_ref_access): Check the
4892         size_type of the relevant pointer. Check for COMPLETE_TYPE_P.
4893
4894 2005-03-17  Kazu Hirata  <kazu@cs.umass.edu>
4895
4896         * config/h8300/h8300-protos.h: Remove prototypes for
4897         general_operand_src, general_operand_dst, single_one_operand,
4898         single_zero_operand, call_insn_operand,
4899         two_insn_adds_subs_operand, small_call_insn_operand,
4900         jump_address_operand, bit_operand, bit_memory_operand,
4901         stack_pointer_operand, const_int_gt_2_operand,
4902         const_int_ge_8_operand, const_int_qi_operand,
4903         const_int_hi_operand, incdec_operand, bit_operator,
4904         nshift_operator, eqne_operator, gtle_operator,
4905         gtuleu_operator, iorxor_operator.
4906         Add prototypes for h8sx_shift_type h8sx_classify_shift and
4907         h8300_ldm_stm_parallel.
4908         * config/h8300/h8300.c (h8sx_shift_type,): Move to
4909         h8300-protos.h.
4910         (SYMBOL_FLAG_FUNCVEC_FUNCTION, SYMBOL_FLAG_EIGHTBIT_DATA,
4911         SYMBOL_FLAG_TINY_DATA): Move to h8300.h.
4912         (h8300_ldm_stm_parallel): Make it extern.
4913         (h8300_ldm_parallel, h8300_stm_parallel,
4914         h8300_return_parallel, general_operand_src,
4915         general_operand_dst, h8300_dst_operand, h8300_src_operand,
4916         nibble_operand, reg_or_nibble_operand, single_one_operand,
4917         single_zero_operand, call_insn_operand,
4918         two_insn_adds_subs_operand, small_call_insn_operand,
4919         jump_address_operand, bit_operand, bit_memory_operand,
4920         stack_pointer_operand, const_int_gt_2_operand,
4921         const_int_ge_8_operand, const_int_qi_operand,
4922         const_int_hi_operand, incdec_operand, eqne_operator,
4923         gtle_operator, gtuleu_operator, iorxor_operator, bit_operator,
4924         h8sx_binary_memory_operator, h8sx_unary_memory_operator,
4925         h8sx_unary_shift_operator, h8sx_binary_shift_operator,
4926         nshift_operator): Move to predicates.md.
4927         * config/h8300/h8300.h (PREDICATE_CODES): Remove.
4928         * config/h8300/h8300.md: Include predicates.md.
4929         * config/h8300/predicates.md: New.
4930
4931 2005-03-17  Richard Henderson  <rth@redhat.com>
4932
4933         * config.gcc (ia64*-*-hpux*): Add extra_options.
4934         * config/ia64/hpux.h (SUBTARGET_SWITCHES): Remove.
4935         (TARGET_DEFAULT): Remove MASK_INLINE_FLOAT_DIV_THR.
4936         * config/ia64/ia64.c (ia64_fixed_range_string): Remove.
4937         (ia64_tls_size_string, ia64_tune_string): Remove.
4938         (ia64_tune): Init to PROCESSOR_ITANIUM2.
4939         (TARGET_DEFAULT_TARGET_FLAGS): New.
4940         (TARGET_HANDLE_OPTION): New.
4941         (ia64_override_options): Move options parsing ...
4942         (ia64_handle_option): ... here.  New.
4943         * config/ia64/ia64.h (target_flags, MASK_BIG_ENDIAN, MASK_GNU_AS,
4944         MASK_GNU_LD, MASK_NO_PIC, MASK_VOL_ASM_STOP, MASK_ILP32,
4945         MASK_REG_NAMES, MASK_NO_SDATA, MASK_CONST_GP, MASK_AUTO_PIC,
4946         MASK_INLINE_FLOAT_DIV_LAT, MASK_INLINE_FLOAT_DIV_THR,
4947         MASK_INLINE_INT_DIV_LAT, MASK_INLINE_INT_DIV_THR,
4948         MASK_INLINE_SQRT_LAT, MASK_INLINE_SQRT_THR, MASK_DWARF2_ASM,
4949         MASK_EARLY_STOP_BITS, TARGET_BIG_ENDIAN, TARGET_GNU_AS, TARGET_GNU_LD,
4950         TARGET_NO_PIC, TARGET_VOL_ASM_STOP, TARGET_ILP32, TARGET_REG_NAMES,
4951         TARGET_NO_SDATA, TARGET_CONST_GP, TARGET_AUTO_PIC,
4952         TARGET_INLINE_FLOAT_DIV_LAT, TARGET_INLINE_FLOAT_DIV_THR,
4953         TARGET_INLINE_INT_DIV_LAT, TARGET_INLINE_INT_DIV_THR,
4954         TARGET_INLINE_FLOAT_DIV, TARGET_INLINE_INT_DIV, TARGET_INLINE_SQRT_LAT,
4955         TARGET_INLINE_SQRT_THR, TARGET_INLINE_SQRT, TARGET_DWARF2_ASM,
4956         TARGET_EARLY_STOP_BITS): Remove.
4957         (TARGET_ILP32): Default false.
4958         (TARGET_SWITCHES, SUBTARGET_SWITCHES, TARGET_OPTIONS): Remove.
4959         (enum ia64_inline_type): New.
4960         (TARGET_DEFAULT): Remove MASK_INLINE_FLOAT_DIV_THR.
4961         * config/ia64/ia64.md: Update for new definitions of
4962         TARGET_INLINE_INT_DIV, TARGET_INLINE_FLOAT_DIV, TARGET_INLINE_SQRT.
4963         * config/ia64/ia64.opt: New file.
4964         * config/ia64/ilp32.opt: New file.
4965
4966 2005-03-17  H.J. Lu  <hongjiu.lu@intel.com>
4967
4968         PR target/18380
4969         * config/ia64/unwind-ia64.c (_Unwind_FindTableEntry): Removed.
4970
4971 2005-03-17  Kazu Hirata  <kazu@cs.umass.edu>
4972
4973         * config/h8300/h8300.c (h8300_init_once): Use MASK_H8300S_1
4974         instead of MASK_H8300S.
4975         * config/h8300/h8300.h (target_flags, MASK_H8300S, MASK_MAC,
4976         MASK_INT32, MASK_ADDRESSES, MASK_QUICKCALL, MASK_SLOWBYTE,
4977         MASK_NORMAL_MODE, MASK_RELAX, MASK_H8300H, MASK_ALIGN_300,
4978         MASK_H8300SX, TARGET_INT32, TARGET_ADDRESSES,
4979         TARGET_QUICKCALL, TARGET_SLOWBYTE, TARGET_H8300H,
4980         TARGET_H8300XS, TARGET_NORMAL_MODE, TARGET_ALIGN_300,
4981         TARGET_SWITCHES): Remove.
4982         (TARGET_H8300S): Redefine interms of TARGET_H8300S_1 and
4983         TARGET_H8300SX.
4984         * config/h8300/h8300.opt: New.
4985
4986         * config/alpha/alpha.opt, config/arc/arc.opt,
4987         config/h8300/h8300.opt, config/mips/mips.opt: Add copyright
4988         notices.
4989
4990 2005-03-17  Ian Lance Taylor  <ian@airs.com>
4991
4992         * gmon.c: Remove.
4993
4994 2005-03-17  Richard Sandiford  <rsandifo@redhat.com>
4995
4996         * config/arc/arc.c (arc_cpu_string): Make static.  Default to "base"
4997         (arc_text_string, arc_data_string, arc_rodata_string): Make static.
4998         (TARGET_HANDLE_OPTION): Override default.
4999         (arc_handle_option): New function.
5000         (arc_init): Remove code to set arch_cpu_string.
5001         * config/arc/arc.h (target_flags, TARGET_MASK_MANGLE_CPU)
5002         (TARGET_MANGLE_CPU, TARGET_MASK_MANGLE_CPU_LIBGCC)
5003         (TARGET_MANGLE_CPU_LIBGCC, TARGET_MASK_ALIGN_LOOPS, TARGET_ALIGN_LOOPS)
5004         (TARGET_MASK_BIG_ENDIAN, TARGET_BIG_ENDIAN, TARGET_MASK_NO_COND_EXEC)
5005         (TARGET_NO_COND_EXEC, TARGET_SWITCHES, TARGET_DEFAULT)
5006         (SUBTARGET_SWITCHES, arc_cpu_string, arc_text_string, arc_data_string)
5007         (arc_rodata_string, TARGET_OPTIONS): Delete.
5008         * config/arc/arc.opt: New file.
5009
5010 2005-03-17  Richard Henderson  <rth@redhat.com>
5011
5012         * doc/extend.texi (Weak Pragmas): New section.
5013         (attribute alias): Clarify that target must be in the same
5014         translation unit.
5015
5016 2005-03-17  Richard Henderson  <rth@redhat.com>
5017
5018         * config/alpha/alpha.opt: New file.
5019         * config/alpha/alpha.c (alpha_tune): New.  Rename all existing uses
5020         of alpha_cpu.
5021         (alpha_cpu_string, alpha_tune_string, alpha_tp_string,
5022         alpha_fprm_string, alpha_fptm_string): Make static.
5023         (alpha_tls_size_string): Remove.
5024         (alpha_handle_option): New.
5025         (override_options): Update for alpha_cpu/alpha_tune split.
5026         (alpha_file_start): Likewise.
5027         (TARGET_DEFAULT_TARGET_FLAGS): New.
5028         (TARGET_HANDLE_OPTION): New.
5029         * config/alpha/alpha.h (alpha_tune): Declare.
5030         (MASK_FP, MASK_FPREGS, TARGET_FPREGS, MASK_GAS, TARGET_GAS,
5031         MASK_IEEE_CONFORMANT, TARGET_IEEE_CONFORMANT, MASK_IEEE, TARGET_IEEE,
5032         MASK_IEEE_WITH_INEXACT, TARGET_IEEE_WITH_INEXACT, MASK_BUILD_CONSTANTS,
5033         TARGET_BUILD_CONSTANTS, MASK_FLOAT_VAX, TARGET_FLOAT_VAX, MASK_BWX,
5034         TARGET_BWX, MASK_MAX, TARGET_MAX, MASK_FIX, TARGET_FIX, MASK_CIX,
5035         TARGET_CIX, MASK_EXPLICIT_RELOCS, TARGET_EXPLICIT_RELOCS,
5036         MASK_SMALL_DATA, TARGET_SMALL_DATA, MASK_TLS_KERNEL, TARGET_TLS_KERNEL,
5037         MASK_SMALL_TEXT, TARGET_SMALL_TEXT, MASK_LONG_DOUBLE_128,
5038         TARGET_LONG_DOUBLE_128, MASK_CPU_EV5, TARGET_CPU_EV5, MASK_CPU_EV6,
5039         TARGET_CPU_EV6, MASK_SUPPORT_ARCH): Remove.
5040         (TARGET_SWITCHES, TARGET_OPTIONS): Remove.
5041         (TARGET_DEFAULT): Remove MASK_FP.
5042         (TARGET_FP): Redefined based on TARGET_SOFT_FP.
5043         (TARGET_SUPPORT_ARCH): Default on if HAVE_AS_EXPLICIT_RELOCS.
5044         (alpha_cpu_string, alpha_tune_string, alpha_fprm_string,
5045         alpha_fptm_string, alpha_tp_string, alpha_mlat_string,
5046         alpha_tls_size_string): Remove.
5047         * config/alpha/alpha.md (prefetch): Use alpha_cpu.
5048         (attribute tune): Rename from attribute cpu.
5049         * config/alpha/ev4.md: Update to match.
5050         * config/alpha/ev5.md, config/alpha/ev6.md: Likewise.
5051         * config/alpha/freebsd.h (TARGET_DEFAULT): Remove MASK_FP.
5052         * config/alpha/linux.h (TARGET_DEFAULT): Likewise.
5053         * config/alpha/netbsd.h (TARGET_DEFAULT): Likewise.
5054         * config/alpha/osf5.h (TARGET_DEFAULT): Likewise.
5055         * config/alpha/vms.h (TARGET_DEFAULT): Likewise.
5056
5057 2005-03-16  James E. Wilson  <wilson@specifixinc.com>
5058
5059         * config/ia64/ia64.c (issue_nops_and_insn): Check first_insn attribute,
5060         and return without creating new state if before_nops_num is nonzero.
5061         * config/ia64/ia64.md (first_insn): New attribute.
5062         (alloc): Set it to yes.
5063
5064 2005-03-16  Daniel Berlin  <dberlin@dberlin.org>
5065
5066         * tree-vectorizer.c (new_vec_stmt_info): Initialize
5067         STMT_VINFO_SUBVARS to NULL.
5068         * tree-vect-analyze.c (vect_analyze_data_refs): Ditto.
5069
5070 2005-03-16 Dale Johannesen  <dalej@apple.com>
5071
5072         * rtlanal.c (find_first_parameter_load):  Rewrite to
5073         return actual first param load or the call if none,
5074         instead of first in block, when not all loads exist.
5075
5076 2005-03-16  Roger Sayle  <roger@eyesopen.com>
5077
5078         * optabs.c (expand_copysign_absneg): Make static.
5079         * optabs.h (expand_copysign_absneg): Delete prototype.
5080         * config/rs6000/rs6000.md (copysigntf3): Delete pattern.
5081
5082 2005-03-16  Richard Henderson  <rth@redhat.com>
5083
5084         PR middle-end/15700
5085         * varasm.c (struct alias_pair): Rename from struct output_def_pair.
5086         (alias_pairs): Rename from output_defs.
5087         (find_decl_and_mark_needed): Split out from assemble_alias.
5088         (do_assemble_alias): New.
5089         (assemble_output_def): Remove.
5090         (finish_aliases_1, finish_aliases_2): New.
5091         (process_pending_assemble_output_defs): Remove.
5092         (assemble_alias): Defer aliases for which we don't yet have a
5093         non-external decl for the target symbol.
5094         * passes.c (rest_of_decl_compilation): Register variables with cgraph.
5095         * cgraphunit.c (cgraph_finalize_compilation_unit): Use finish_aliases_1.
5096         * toplev.c (compile_file): Use finish_aliases_2 instead of
5097         process_pending_assemble_output_defs.
5098         * tree.h (finish_aliases_1, finish_aliases_2): Declare.
5099         (process_pending_assemble_output_defs): Remove.
5100
5101 2005-03-16  Daniel Berlin  <dberlin@dberlin.org>
5102
5103         Fix PR tree-optimization/20489
5104
5105         * tree-ssa-alias.c (push_fields_onto_fieldstack): DTRT
5106         for empty structures.
5107
5108 2005-03-16  Daniel Berlin  <dberlin@dberlin.org>
5109
5110         Fix PR tree-optimization/20490
5111
5112         * tree-ssa-pre.c (create_expression_by_pieces): Use
5113         force_gimple_operand on result of fold.
5114
5115 2005-03-16  Andrew Pinski  <pinskia@physics.uc.edu>
5116
5117         * config/i386/emmintrin.h (_mm_extract_epi16): Correct the number
5118         of closing parenthesis.
5119
5120 2005-03-16  Kazu Hirata  <kazu@cs.umass.edu>
5121
5122         * builtins.c (expand_movstr): Update a call to
5123         fold_builtin_strcpy.
5124         (expand_builtin_strncpy): Update a call to
5125         fold_builtin_strncpy.
5126         (fold_builtin_strcpy, fold_builtin_strncpy): Take decomosed
5127         arguments of CALL_EXPR.
5128         (fold_builtin_1): Update calls to fold_builtin_strcpy and
5129         fold_builtin_strncpy.
5130         * tree-ssa-ccp.c (ccp_fold_builtin): Likewise.
5131         * tree.h: Update the prototypes of fold_builtin_strcpy and
5132         fold_builtin_strncpy.
5133
5134 2005-03-16  Steven Bosscher  <stevenb@suse.de>
5135             Dorit Naishlos  <dorit@il.ibm.com>
5136
5137         * tree-vect-analyze.c (vect_enhance_data_refs_alignment): Copy
5138         UNITS_PER_SIMD_WORD to a local variable to avoid a "division by zero"
5139         error.
5140
5141 2005-03-16  Steven Bosscher  <stevenb@suse.de>
5142
5143         * tree-inline.c (walk_type_fields, walk_tree,
5144         walk_tree_without_duplicates): Move from here...
5145         * tree.c: ...to here.
5146
5147 2005-03-15  Zack Weinberg  <zack@codesourcery.com>
5148
5149         * BASE-VER, DATESTAMP, DEV-PHASE: New files.
5150         * Makefile.in (gcc_version, gcc_version_trigger, ): Delete.
5151         (BASEVER, DEVPHASE, DATESTAMP, BASEVER_c, DEVPHASE_c, DATESTAMP_c)
5152         (BASEVER_s, DEVPHASE_s, DATESTAMP_s): New variables.
5153         (version): Define using $(BASEVER_c).
5154         (Makefile, config.status, build/gcov-iov.o): No longer depends on
5155         version.c.
5156         (version.o): Depend on version files; add custom generation command.
5157         (prefix.o): Define BASEVER on command line.
5158         (s-iov): Depend on version files; adjust command.
5159         (TEXI_CPP_FILES, TEX_IGCC_FILES, TEXI_GCCINT_FILES, TEXI_CPPINT_FILES):
5160         Add gcc-vers.texi.
5161         (gcc-vers.texi): New rule.
5162         (doc/%.info, doc/%.dvi): Add -I . to command line.
5163         (doc/gccinstall.dvi): Likewise.
5164         (PACKAGE): Delete.  All uses replaced with "gcc".
5165         * aclocal.m4: Do not include gcc-version.m4.
5166         * configure.ac: Do not invoke TL_AC_GCC_VERSION.
5167         Do not AC_SUBST nor AC_DEFINE PACKAGE or VERSION.
5168         Set is_release based on contents of DEV-PHASE.
5169         Set gcc_version based on contents of BASE-VER.
5170         Define WIN32_REGISTRY_KEY only if the user overrode the default.
5171         * config.in, configure: Regenerate.
5172         * gccbug.in: Determine version of GCC in use at runtime.
5173         * gcov-iov.c: Get version number and development phase from
5174         command line, not by including version.c.
5175         * intl.c: Replace all uses of PACKAGE with "gcc".
5176         * libada-mk.in: Delete unused "gcc_version" variable.
5177         * prefix.c: Default WIN32_REGISTRY_KEY to BASEVER.
5178         * version.c: (VERSUFFIX): New hook for redistributors; adjust
5179         commentary to match.
5180         (version_string): Put together from pieces.
5181         * config/alpha/x-vms: Do not use $(gcc_version).
5182         * config/i386/t-nwld: Likewise.
5183         * doc/include/gcc-common.texi: Include gcc-vers.texi for
5184         version-GCC and DEVELOPMENT.
5185
5186 2005-03-15  Roger Sayle  <roger@eyesopen.com>
5187
5188         PR tree-optimization/17454
5189         * tree.c (tree_size): Add case for TREE_BINFO.
5190         * fold-const.c (fold_checksum_tree): Only clear the overloaded
5191         field TYPE_CACHED_VALUES if TYPE_CACHED_VALUES_P is set.
5192
5193 2005-03-15  Roger Sayle  <roger@eyesopen.com>
5194
5195         * optabs.c (expand_doubleword_mult): Avoid clobbering op0 and
5196         op1 whilst expanding the signed widenening multiply variant.
5197
5198 2005-03-15  Richard Sandiford  <rsandifo@redhat.com>
5199
5200         * toplev.c (display_target_options): Avoid unused variable warning if
5201         TARGET_SWITCHES and TARGET_OPTIONS are both undefined.
5202         * config/mips/mips.c (mips_arch_string, mips_tune_string): Make static.
5203         (mips_isa_string, mips_abi_string, mips_fix_vr4130_string): Delete.
5204         (mips_isa): Initialize to MIPS_ABI_DEFAULT.
5205         (mips_isa_info): New variable.
5206         (mips_parse_cpu): Remove the first argument and leave the caller
5207         to report errors.
5208         (TARGET_HANDLE_OPTION): Override default.
5209         (mips_handle_option): New function.  Move option validation code from...
5210         (override_options): ...here.  Update calls to mips_parse_cpu.
5211         * config/mips/mips.h (mips_arch_string, mips_tune_string)
5212         (mips_isa_string, mips_abi_string, TARGET_OPTIONS)
5213         (SUBTARGET_TARGET_OPTIONS): Delete.
5214         * config/mips/mips.opt (mabi=, march=, mflush-func=, mips)
5215         (mno-flush-func, mtune=): New options.
5216
5217 2005-03-15  Roger Sayle  <roger@eyesopen.com>
5218             Richard Henderson  <rth@redhat.com>
5219
5220         * real.c (c4x_single_format, c4x_extended_format): Provide values
5221         for signbit_ro for c4x's single and extended floating point formats.
5222         * optabs.c (expand_copysign): Use the floating point format's
5223         signbit_ro for expanding via expand_copysign_absneg, and it's
5224         signbit_rw field for expanding via expand_copysign_bit.
5225
5226 2005-03-15  Dorit Naishlos  <dorit@il.ibm.com>
5227
5228         * tree-vectorizer.h (unknown_alignment_for_access_p): Replaced by
5229         known_alignment_for_access_p.
5230         (known_alignment_for_access_p): New.
5231         (do_peeling_for_alignment): Field made int instead of bool and renamed
5232         to peeling_for_alignment.
5233         (LOOP_DO_PEELING_FOR_ALIGNMENT): Renamed to LOOP_PEELING_FOR_ALIGNMENT.
5234         * tree-vect-analyze.c (vect_determine_vectorization_factor): New. This
5235         functionality used to be in vect_analyze_operations.
5236         (vect_analyze_operations): Code to determine vectorization factor was
5237         moved to vect_determine_vectorization_factor.
5238         (vect_enhance_data_refs_alignment): Update to correct alignment when it
5239         is known instead of -1.  Set LOOP_PEELING_FOR_ALIGNMENT to peeling
5240         factor.
5241         (vect_analyze_loop): Call vect_determine_vectorization_factor (used to
5242         be part of vect_analyze_operations).
5243         * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Use fold when
5244         creating the guard condition, as the number of iterations may be
5245         constant.
5246         (slpeel_tree_peel_loop_to_edge): Use new name of
5247         LOOP_DO_PEELING_FOR_ALIGNMENT. Set it to 0 instead of false.
5248         * tree-vect-transform.c (vect_gen_niters_for_prolog_loop): Handle known
5249         alignment case more efficiently. Use LOOP_PEELING_FOR_ALIGNMENT.
5250         (vect_do_peeling_for_alignment): Use fold.
5251         (vect_transform_loop): Use new name of LOOP_DO_PEELING_FOR_ALIGNMENT.
5252
5253         (vect_update_inits_of_dr): Renamed to
5254         vect_update_init_of_dr.
5255         (vect_update_inits_of_drs): Use new name of vect_update_inits_of_dr.
5256         (vectorizable_store): Fix assertion to use == instead of =.
5257
5258 2005-03-15  Daniel Jacobowitz  <dan@codesourcery.com>
5259
5260         * config/arm/arm.h (CONDITIONAL_REGISTER_USAGE): Don't clear
5261         call_used_regs for wCG registers.
5262
5263 2005-03-15  Ulrich Weigand  <uweigand@de.ibm.com>
5264
5265         * config/s390/s390.c (s390_secondary_output_reload_class): Adapt check
5266         for non-offsettable memory references to cope with outstanding reload
5267         replacements, take 2.
5268
5269 2005-03-15  Uros Bizjak  <uros@kss-loka.si>
5270
5271         PR target/18668
5272         * config/i386/i386.h (x86_fisttp): New.
5273         (TARGET_FISTTP): New macro.
5274         * config/i386/i386.c (x86_fisttp): Set for NOCONA.
5275         (output_fix_trunc): Add fisttp parameter.  Generate fisttp x87
5276         instruction when fisttp flag is set.
5277         * config/i386/i386-protos.h (output_fix_trunc): Change declaration.
5278
5279         * config/i386/i386.md (type attribute): Add fisttp.
5280         (unit attribute): Set to i387 for fisttp type.
5281         (X87MODEF, X87MODEI, SSEMODEF, SSEMODEI24): New mode macros.
5282         (fix_truncxfdi2, fix_truncxfsi2): Generate fisttp patterns for
5283         TARGET_FISTTP.
5284         (fix_truncdfdi2, fix_truncsfdi2, fix_truncdfsi2, fix_truncsfsi2):
5285         Generate fisttp patterns for TARGET_FISTTP. Implement using mode
5286         macros.
5287         (fix_truncxfhi2, fix_truncdfhi2, fix_truncsfhi2): Generate fisttp
5288         patterns for TARGET_FISTTP.  Enable patterns for
5289         (TARGET_FISTTP && !TARGET_SSE_MATH). Implement using mode macros.
5290         (fix_trunc<mode>_i387_fisttp_1, fix_trunc<mode>_i387_fisttp,
5291         fix_trunc<mode>_i387_fisttp_with_temp): New instruction patterns to
5292         implement fisttp x87 insn.
5293         (fix_trunc*_i387_fisttp splitters): New patterns.
5294         (*fix_truncdi_i387, *fix_truncsi_i387, *fix_trunchi_i387):
5295         Rename to *fix_trunc<mode>_i387_1.  Implement using mode macros.
5296         Disable patterns for TARGET_FISTTP.  Add comment about FLAGS_REG
5297         clobber.
5298         (fix_truncdi_memory, fix_truncdi_nomemory, fix_trunchi_nomemory):
5299         Rename to fix_trunc<mode>_i387 and fix_trunc<mode>_i387_with_temp.
5300         Implement using mode macros. Disable patterns for TARGET_FISTTP.
5301         (fix_truncsi_memory, fix_truncsi_nomemory, fix_trunchi_memory,
5302         fix_trunchi_nomemory): Rename to fix_trunc<mode>_i387 and
5303         fix_trunc<mode>_i387_with_temp. Implement using mode macros.
5304         Disable patterns for TARGET_FISTTP.
5305         (fix_trunc*_i387 splitters): Implement usign mode macros.
5306         (fix_truncdfdi_sse, fix_truncsfdi_sse, fix_truncdfsi_sse,
5307         fix_truncsfsi_sse): Disable for (TARGET_FISTTP && !TARGET_SSE_MATH).
5308         (fix_trunx*_sse peephole2s): Implement using mode macros.
5309
5310 2005-03-15  J"orn Rennecke <joern.rennecke@st.com>
5311
5312         PR rtl-optimization/20291
5313         * combine.c (try_combine): If splitting fails, re-try with
5314         original combined pattern, i.e. before clobber stripping.
5315
5316 2005-03-14  Eric Christopher  <echristo@redhat.com>
5317
5318         * config/mips/mips.h (DWARF_CIE_DATA_ALIGNMENT): Change for
5319         STACK_GROWS_DOWNWARD.
5320
5321 2005-03-14  Roger Sayle  <roger@eyesopen.com>
5322
5323         * real.h (struct real_format): Split the signbit field into two
5324         two fields, signbit_ro and signbit_rw.
5325         * real.c (ieee_single_format, mips_single_format, ieee_double_format,
5326         mips_double_format, ieee_extended_motorola_format,
5327         ieee_extended_intel_96_format, ieee_extended_intel_96_round_53_format,
5328         ieee_extended_intel_128_format, ibm_extended_format,
5329         mips_extended_format, ieee_quad_format, mips_quad_format,
5330         vax_f_format, vax_d_format, vax_g_format, i370_single_format,
5331         i370_double_format, c4x_single_format, c4x_extended_format,
5332         real_internal_format): Update initializers for new field.
5333         * builtins.c (expand_builtin_signbit): Use signbit_ro field of the
5334         real_format structure.
5335         * optabs.c (expand_absneg_bit, expand_copysign): Use signbit_rw
5336         field of the real_format structure.
5337
5338 2005-03-14  Daniel Berlin <dberlin@dberlin.org>
5339
5340         Fix PR tree-optimization/20458
5341
5342         * tree-flow-inline.h (mark_call_clobbered): Don't fiddle
5343         DECL_EXTERNAL on STRUCT_FIELD tags.
5344         (clear_call_clobbered): Ditto.
5345         * tree-ssa-operands.c (note_addressable): Make sure the original
5346         variable doesn't slip into the addressable list if we have
5347         subvars.
5348         * tree-tailcall.c (suitable_for_tail_opt_p): Look at STRUCT_FIELD
5349         tags too.
5350
5351 2005-03-14  Geoffrey Keating  <geoffk@apple.com>
5352
5353         * doc/cppopts.texi (-fexec-charset): Add concept index entry.
5354         (-fwide-exec-charset): Likewise.
5355         (-finput-charset): Likewise.
5356         * doc/invoke.texi (Warning Options): Document -Wnormalized=.
5357         * c-opts.c (c_common_handle_option): Handle -Wnormalized=.
5358         * c.opt (Wnormalized): New.
5359
5360 2005-03-14  Devang Patel  <dpatel@apple.com>
5361
5362         * doc/invoke.texi: Add reference to Visibility document.
5363
5364 2005-03-14  Richard Sandiford  <rsandifo@redhat.com>
5365
5366         * config.gcc (mips*-*-*): Rename MASK_SPLIT_ADDRS to
5367         MASK_SPLIT_ADDRESSES.
5368         * config/mips/mips.h (target_flags, mips_fix_vr4130_string): Delete.
5369         (MASK_INT64, MASK_LONG64, MASK_SPLIT_ADDR, MASK_NO_FUSED_MADD)
5370         (MASK_EXPLICIT_RELOCS, MASK_MEMCPY, MASK_SOFT_FLOAT)
5371         (MASK_FLOAT64, MASK_ABICALLS, MASK_XGOT, MASK_LONG_CALLS)
5372         (MASK_64BIT, MASK_EMBEDDED_DATA, MASK_BIG_ENDIAN)
5373         (MASK_SINGLE_FLOAT, MASK_MAD, MASK_4300_MUL_FIX, MASK_MIPS16)
5374         (MASK_NO_CHECK_ZERO_DIV, MASK_BRANCHLIKELY)
5375         (MASK_UNINIT_CONST_IN_RODATA, MASK_FIX_R4000, MASK_FIX_R4400)
5376         (MASK_FIX_SB1, MASK_FIX_VR4120, MASK_VR4130_ALIGN)
5377         (MASK_FP_EXCEPTIONS, MASK_DIVIDE_BREAKS, MASK_PAIRED_SINGLE)
5378         (MASK_MIPS3D, MASK_SYM32, MASK_DEBUG, MASK_DEBUG_D)
5379         (MASK_MIPS_TFILE, TARGET_INT64, TARGET_LONG64, TARGET_FLOAT64)
5380         (TARGET_64BIT, TARGET_SPLIT_ADDRESSES, TARGET_DEBUG_MODE)
5381         (TARGET_DEBUG_D_MODE, TARGET_MEMCPY, TARGET_ABICALLS)
5382         (TARGET_XGOT, TARGET_SOFT_FLOAT, TARGET_HARD_FLOAT)
5383         (TARGET_LONG_CALLS, TARGET_EMBEDDED_DATA)
5384         (TARGET_UNINIT_CONST_IN_RODATA, TARGET_BIG_ENDIAN)
5385         (TARGET_SINGLE_FLOAT, TARGET_DOUBLE_FLOAT, TARGET_MAD)
5386         (TARGET_FUSED_MADD, TARGET_4300_MUL_FIX, TARGET_CHECK_ZERO_DIV)
5387         (TARGET_DIVIDE_TRAPS, TARGET_BRANCHLIKELY, TARGET_FIX_SB1)
5388         (TARGET_FIX_R4000, TARGET_FIX_R4400, TARGET_FIX_VR4120)
5389         (TARGET_FIX_VR4130, TARGET_VR4130_ALIGN, TARGET_FP_EXCEPTIONS)
5390         (TARGET_PAIRED_SINGLE_FLOAT, TARGET_MIPS3D, TARGET_SYM32)
5391         (TARGET_EXPLICIT_RELOCS): Delete.
5392         (TARGET_SWITCHES, SUBTARGET_TARGET_SWITCHES): Delete.
5393         (TARGET_OPTIONS): Remove entry for -mfix-vr4130.
5394         * config/mips/mips.c (TARGET_DEFAULT_TARGET_FLAGS): Define.
5395         (override_options): Set MASK_LONG64 if -mint64 is given and no
5396         -mlongXX option is.  Complain about -mint64 -mlong32.
5397         (override_options, CMP_BUILTINS, mips_bdesc, sb1_desc): Rename
5398         MASK_PAIRED_SINGLE to MASK_PAIRED_SINGLE_FLOAT.
5399         * config/mips/mips.opt: New file.
5400
5401 2005-03-14  Richard Sandiford  <rsandifo@redhat.com>
5402
5403         * config.gcc (extra_options): New variable for listing option files.
5404         Add ${cpu_type}/${cpu_type}.opt to it if that file exists.
5405         * configure.ac (extra_opt_files): New AC_SUBST variable.
5406         (tm_file_list, tm_include_list): Include options.h first.
5407         * configure: Regenerate.
5408         * Makefile.in (extra_opt_files, ALL_OPT_FILES): New variables.
5409         (s-options): Use $(ALL_OPT_FILES) instead of $(lang_opt_files)
5410         (s-options-h): New rule.
5411         (options.h): Depend on it.
5412         (TEXI_GCCINT_FILES): Add options.texi.
5413         * hooks.h (hook_bool_size_t_constcharptr_int_true): Declare.
5414         * hooks.c (hook_bool_size_t_constcharptr_int_true): New function.
5415         * target.h (gcc_target): Add default_target_flags and handle_option.
5416         * target-def.h (TARGET_DEFAULT_TARGET_FLAGS)
5417         (TARGET_HANDLE_OPTION): New macros.
5418         (TARGET_INITIALIZER): Include them.
5419         * opt-functions.awk (opt_args, nth_arg): New functions.
5420         (switch_flags): Handle the "Target" flag.
5421         (var_args): Delete.
5422         (var_name): Use opt_args and nth_arg.
5423         (var_set, var_ref): Likewise.  Handle "Mask" and "InverseMask".
5424         * opth-gen.awk: Declare target_flags.  Declare MASK_* and TARGET_*
5425         macros for the "Mask" and "InverseMask" options.
5426         * opts.h (cl_var_cond): New enum.
5427         (cl_option): Replace the "has_set_value" and "set_value" fields with
5428         "var_cond" and "var_value".
5429         (CL_TARGET): New macro.
5430         (option_enabled, print_filtered_help): Declare.
5431         (decode_options): Move definition.
5432         * opts.c (handle_option): Search for the original option before
5433         removing any "no-" prefix.  Handle CL_TARGET.  Adjust for the new
5434         var_cond and var_value fields.  Use targetm.handle_option to handle
5435         target options.
5436         (decode_options): Set target_flags to targetm.default_target_flags.
5437         (print_filtered_help): Make global.  Handle CL_TARGET.
5438         (option_enabled): New function.
5439         * toplev.c (target_switches): Guard with #ifdef TARGET_SWITCHES.
5440         (display_target_options, set_target_switch, print_switch_values)
5441         (default_pch_valid_p): Guard uses of target_switches with
5442         #ifdef TARGET_SWITCHES.  Also...
5443         (display_target_options): Display the CL_TARGET entries in cl_options.
5444         (set_target_option): Don't complain about the "" option when
5445         TARGET_SWITCHES is undefined.
5446         (print_switch_values): Use option_enabled.
5447         (default_pch_valid_p): Check cl_options[] when looking for something
5448         that has changed the value of target_flags.
5449         * c.opt: Remove documentation from top of file.
5450         * doc/gccint.texi: Add an "Options" chapter.  Include options.texi.
5451         * doc/sourecebuild.texi: Refer to the new options documentation
5452         instead of c.opt.  Document machine-specific .opt files.
5453         * doc/tm.texi (target_flags): Say that this variable is declared
5454         by options.h.
5455         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Document.
5456         (TARGET_SWITCHES, TARGET_OPTIONS): Refer to the option files as
5457         an alternative.
5458         * doc/options.texi: New file.
5459
5460 2005-03-14  Alexandre Oliva  <aoliva@redhat.com>
5461
5462         PR middle-end/18628
5463         * cse.c (fold_rtx_mem): Don't fold a load from a jumptable into a
5464         register.
5465
5466 2005-03-14  Alexandre Oliva  <aoliva@redhat.com>
5467
5468         PR c++/20280
5469         * gimplify.c (gimplify_cond_expr): Add fallback argument.  Use a
5470         temporary variable of pointer type if an lvalues is required.
5471         (gimplify_modify_expr_rhs): Request an rvalue from it.
5472         (gimplify_expr): Pass fallback on.
5473
5474 2005-03-14  Kazu Hirata  <kazu@cs.umass.edu>
5475
5476         * cfgbuild.c: Update comments.
5477
5478 2005-03-14  Roger Sayle  <roger@eyesopen.com>
5479
5480         PR rtl-optimization/17236
5481         * optabs.c (expand_doubleword_mult): New helper function split out
5482         from expand_binop.  Permute the order in which instructions are
5483         emitted to minimize the number of simultaneously live registers.
5484         (expand_binop): Call expand_doubleword_mult to synthesize a double
5485         word multiplication.
5486
5487 2005-03-14  Kazu Hirata  <kazu@cs.umass.edu>
5488
5489         * basic-block.h: Update the prototypes of cached_make_edge and
5490         rtl_make_eh_edge.
5491         * cfg.c (cached_make_edge): Take edge_cache representing one
5492         row of the adjacency matrix of edges.
5493         * cfgbuild.c (make_label_edge, rtl_make_eh_edge): Likewise.
5494         (make_edges): Initialize edge_cache to represent one row of
5495         the adjacency matrix of edges.
5496
5497 2005-03-14  Zdenek Dvorak  <dvorakz@suse.cz>
5498
5499         * tree-ssa-phiopt.c (minmax_replacement, blocks_in_phiopt_order):
5500         New functions.
5501         (tree_ssa_phiopt): Use blocks_in_phiopt_order and minmax_replacement.
5502         Remove unused removed_phis variable.
5503         (conditional_replacement): Use build1/build2.
5504         (abs_replacement): Use last_and_only_stmt and build1/build2.
5505
5506 2005-03-14  Zdenek Dvorak  <dvorakz@suse.cz>
5507
5508         * builtin-attrs.def (ATTR_NOVOPS, ATTR_NOVOPS_LIST,
5509         ATTR_PURE_NOTHROW_NOVOPS_LIST): New.
5510         * builtins.def (ATTR_MATHFN_FPROUNDING): Use NOVOPS.
5511         (BUILT_IN_PREFETCH): Set the NOVOPS attribute.
5512         * c-common.c (handle_novops_attribute): New function.
5513         (c_common_attribute_table): Add "no vops" entry.
5514         * c-decl.c (merge_decls): Copy DECL_IS_NOVOPS.
5515         * calls.c (flags_from_decl_or_type): Set ECF_NOVOPS.
5516         * tree-ssa-operands.c (get_call_expr_operands): Do not
5517         create virtual operands for calls with ECF_NOVOPS flag.
5518         * tree.h (DECL_IS_NOVOPS): New macro.
5519         (struct tree_decl): Add novops_flag.
5520         (ECF_NOVOPS): New constant.
5521
5522 2005-03-14  Uros Bizjak  <uros@kss-loka.si>
5523
5524         PR target/17688
5525         * config/i386/i386.c (x86_use_himode_fiop): New.
5526         (x86_use_simode_fiop): Rename from x86_use_fiop.
5527         * config/i386/i386.h (x86_use_himode_fiop): Declare.
5528         (TARGET_USE_HIMODE_FIOP): New.
5529         (x86_use_simode_fiop): Rename from x86_use_fiop.
5530         (TARGET_USE_SIMODE_FIOP): Rename from TARGET_USE_FIOP.
5531
5532         * config/i386/i386.md (X87MODEI12): New mode macro define.
5533         (*cmpfp_<mode>): Rename from *cmpfp_si.  Use X87MODEI12 mode macro
5534         to implement x87 FP compare with HImode input operands.
5535         (*fp_jcc_8<mode>_387, splitter): Rename from *fp_jcc_8_387.
5536         Use X87MODEI12 mode macro to handle HImode input operands.
5537         (*fop_sf_2<mode>_i387, *fop_sf_3<mode>_i387, *fop_df_2<mode>_i387,
5538         *fop_df_3<mode>_i387, *fop_xf_2<mode>_i387, *fop_xf_3<mode>_i387):
5539         Renamed from *fop_sf_2_i387, *fop_sf_3_i387, *fop_df_2_i387,
5540         *fop_df_3_i387, *fop_xf_2_i387, *fop_xf_3_i387. Use X87MODEI12 mode
5541         macro to implement x87 operators with HImode input operands.
5542         (fop splitters): Use X87MODEI12 mode macro to handle HImode
5543         input operands.
5544
5545 2005-03-14  Zdenek Dvorak  <dvorakz@suse.cz>
5546
5547         * tree-cfg.c (find_taken_edge_cond_expr): Use zero_p instead of
5548         integer_zerop.
5549         * tree-gimple.c (is_gimple_min_invariant): Consider overflowed
5550         constants invariant.
5551
5552 2005-03-14  Zdenek Dvorak  <dvorakz@suse.cz>
5553
5554         * basic-block.h (BB_VISITED): Removed.
5555         * cfganal.c (dfs_enumerate_from): Do not use BB_VISITED flag.
5556
5557 2005-03-14  Falk Hueffner  <falk@debian.org>
5558
5559         PR bootstrap/20424
5560         * config/alpha/alpha.c (alpha_fold_builtin_cmpbge): Fix typo.
5561
5562 2005-03-14  Kazu Hirata  <kazu@cs.umass.edu>
5563
5564         * ggc-zone.c: Fix comment typos.
5565
5566         * alloc-pool.c, except.h, ggc-common.c, ggc-zone.c, ggc.h,
5567         stringpool.c, config/mips/mips-protos.h: Update copyright.
5568
5569 2005-03-14  Alan Modra  <amodra@bigpond.net.au>
5570
5571         * config/rs6000/rs6000-protos.h: Replace "struct rtx_def *"
5572         throughout with its typedef, "rtx".
5573         * config/rs6000/rs6000.c: Likewise.  Formatting fixes.
5574         (rs6000_tls_symbol_ref_1): Remove inline keyword.
5575         * config/rs6000/rs6000.h (REG_ALLOC_ORDER): Formatting.  Reorder
5576         regs in comment to match code.
5577
5578 2005-03-14  Kazu Hirata  <kazu@cs.umass.edu>
5579
5580         * except.c (check_handled): Make it static.
5581         * except.h: Remove the corresponding prototype.
5582
5583         * function.c (get_func_frame_size): Make it static.
5584         * function.h: Remove the corresponding type.
5585
5586         * regclass.c (reg_class_superclasses, reg_class_subclasses):
5587         Make them static.
5588         * hard-reg-set.h: Remove the corresponding declarations.
5589
5590         * tree-cfg.c (verify_stmts): Check that
5591         bb_for_stmt (stmt) == bb for every PHI node and statement.
5592
5593 2005-03-14  Alan Modra  <amodra@bigpond.net.au>
5594
5595         * config.gcc: Remove excess indentation.
5596         (powerpc*-*-*, rs6000-*-*): Accept --with-cpu/tune power5 and 8548.
5597
5598 2005-03-13  Roger Sayle  <roger@eyesopen.com>
5599
5600         PR middle-end/19331
5601         * tree.c (get_unwidened): Treat CONVERT_EXPR and NOP_EXPR identically.
5602         * fold-const.c (fold_sign_changed_comparison): Likewise.
5603         (fold_binary): Optimize comparisons against widened operands if
5604         the extension is represented by a CONVERT_EXPR, same as a NOP_EXPR.
5605
5606 2005-03-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
5607
5608         * config/sparc/sparc.c (struct_value_alias_set): New global variable.
5609         (sparc_override_options): Initialize it.
5610         (sparc_struct_value_rtx): Set it on the MEM to be returned.
5611
5612 2005-03-13  David Edelsohn  <edelsohn@gnu.org>
5613
5614         * config/rs6000/predicates.md (mem_or_easy_const_operand): Delete.
5615         (reg_or_none500mem_operand): New predicate.
5616         (zero_reg_mem_operand): New predicate.
5617         * config/rs6000/rs6000.md (extendsfdf2): Change operand1 predicate
5618         to reg_or_none500mem_operand.
5619         (extendsfdf2_fpr): Add MEM alternative.
5620         (extenddftf2_internal): Change operand2 predicate to
5621         zero_reg_mem_operand.
5622
5623 2005-03-13  Daniel Jacobowitz  <dan@codesourcery.com>
5624
5625         * ggc-zone.c: Rewritten.
5626
5627         * alloc-pool.c (dump_alloc_pool_statistics): Don't print statistics
5628         if there are none.
5629         * configure.ac: Define GGC_ZONE for --with-gc=zone.
5630         * config.in: Regenerated.
5631         * configure: Regenerated.
5632         * gengtype.c (write_types_process_field, write_func_for_structure):
5633         Pass new argument to gt_pch_note_object.
5634         * ggc-common.c (struct ptr_data): Add TYPE.
5635         (gt_pch_note_object): Take TYPE argument and save it.
5636         (call_count): Update call to ggc_pch_count_object.
5637         (call_alloc): Update call to ggc_pch_alloc_object.
5638         (gt_pch_save): Call ggc_pch_prepare_write after paddng the PCH
5639         file.
5640         * ggc-none.c (rtl_zone, garbage_zone, ggc_alloc_zone_stat): Delete.
5641         * ggc-page.c (rtl_zone, tree_zone, garbage_zone)
5642         (ggc_alloc_zone_stat): Delete.
5643         (ggc_pch_count_object, ggc_pch_alloc_object): Add TYPE argument.
5644         * ggc.h (gt_pch_note_object, ggc_pch_count_object)
5645         (ggc_pch_alloc_object): Update prototypes.
5646         (garbage_zone): Delete.
5647         (tree_zone, rtl_zone, ggc_alloc_zone_stat, ggc_alloc_zone): Move to
5648         GGC_ZONE conditional.  Update.  Change tree_zone and rtl_zone into
5649         pointers.
5650         (tree_id_zone): New variable.
5651         (ggc_alloc_cleared_zone): Remove unused.
5652         (ggc_alloc_zone): Define.
5653         (ggc_alloc_rtvec, ggc_alloc_tree): Update to use ggc_alloc_zone.
5654         * rtl.c (rtx_alloc_stat, shallow_copy_rtx_stat): Use
5655         ggc_alloc_zone_stat.
5656         * stringpool.c (gt_pch_n_S): Update call to gt_pch_note_object.
5657         * tree.c (copy_node_stat, make_tree_binfo_stat, make_tree_vec_stat)
5658         (tree_cons_stat, build1_stat): Update call to ggc_alloc_zone_stat.
5659         (make_node_stat): Likewise.  Use tree_id_zone.
5660
5661 2005-03-13  Daniel Jacobowitz  <dan@codesourcery.com>
5662             Joseph S. Myers  <joseph@codesourcery.com>
5663
5664         * configure.ac: Check for MIPS TLS.
5665         * configure: Regenerated.
5666         * config/mips/mips-protos.h (enum mips_symbol_type): Add
5667         SYMBOL_TLS, SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL,
5668         SYMBOL_GOTTPREL, and SYMBOL_TPREL.
5669         * config/mips/mips.c (mips_regno_to_class): Handle V1_REG.
5670         (TARGET_HAVE_TLS, TARGET_CANNOT_FORCE_CONST_MEM): Define.
5671         (mips_classify_symbol, mips_symbolic_constant_p)
5672         (mips_symbolic_address_p, mips_symbol_insns): Handle TLS symbols.
5673         (mips_tls_operand_p, mips_call_tls_get_addr)
5674         (mips_legitimize_tls_address, mips_cannot_force_const_mem)
5675         (mips_tls_symbol_ref_1): New functions.
5676         (mips_legitimize_address, mips_legitimize_const_move): Call
5677         mips_legitimize_tls_address.
5678         (override_options): Handle V1_REG and TLS symbols.  Disable TLS
5679         for MIPS16.
5680         * config/mips/mips.h (enum reg_class, REG_CLASS_NAMES)
5681         (REG_CLASS_CONTENTS, GR_REG_CLASS_P): Include V1_REG.
5682         (mips_char_to_class): Document V1_REG.
5683         (HAVE_AS_TLS): Provide default.
5684         * config/mips/mips.md (UNSPEC_TLS_LDM, UNSPEC_TLS_GET_TP): New
5685         constants.
5686         (load_got<mode>): Renamed from *load_got<mode>.  Allow when
5687         !TARGET_ABICALLS.
5688         (tls_get_tp_<mode>): New instruction.
5689
5690 2005-03-13  Daniel Jacobowitz  <dan@codesourcery.com>
5691
5692         * configure.ac: Update checks for target tools.
5693         * configure: Regenerated.
5694
5695 2005-03-13  Daniel Jacobowitz  <dan@codesourcery.com>
5696
5697         * varasm.c (decl_tls_model): Check flag_shlib instead of flag_pic.
5698
5699 2005-03-13  Roger Sayle  <roger@eyesopen.com>
5700
5701         * expmed.c (expand_mult): Use synthetic multiplication sequences for
5702         more classes of DImode multiplication by constant.  Allow both
5703         multiplication by small negative constants (by performing a
5704         multiplication by a positive constant and negating the result) and
5705         multiplications by large powers of two, by using a left shift.
5706
5707 2005-03-13  Kazu Hirata  <kazu@cs.umass.edu>
5708
5709         * tree-into-ssa.c (find_idf): Speed up by putting the indexes
5710         of basic blocks into work_stack.
5711
5712         * builtin-attrs.def, c-lex.c, c-pragma.h, reg-stack.c,
5713         config/mips/vr.h: Update copyright.
5714
5715         * c-decl.c (c_init_decl_processing): Remove useless calls to
5716         build_function_type.
5717
5718         * builtins.c (fold_trunc_transparent_mathfn,
5719         fold_fixed_mathfn, fold_builtin_atan, fold_builtin_trunc,
5720         fold_builtin_floor, fold_builtin_ceil, fold_builtin_round,
5721         fold_builtin_lround, fold_builtin_bitop, fold_builtin_memcpy,
5722         fold_builtin_strcpy, fold_builtin_strncpy,
5723         fold_builtin_signbit): Use TYPE (TYPE (fndecl)) instead of
5724         TREE_TYPE (exp).
5725
5726         * builtins.c (expand_builtin_mathfn_3): Remove local variable
5727         before_call.
5728
5729         * lambda-code.c (lambda_compute_auxillary_space): Remove local
5730         variable determinant.
5731
5732         * tree-cfg.c (group_case_labels): Remove local variable type.
5733
5734         * tree-ssa-live.c (build_tree_conflict_graph): Remove local
5735         variable ann.
5736
5737         * tree-ssa-phiopt.c (value_replacement): Remove local variable
5738         result.
5739
5740 2005-03-13  Andy Hutchinson  <HutchinsonAndy@netscape.net>
5741
5742         PR target/18251
5743         * config/avr/avr.md (movmemhi): Rewrite as RTL loop.
5744         (*movmemqi_insn): Delete.
5745         (*movmemhi): Delete.
5746
5747 2005-03-13  Kazu Hirata  <kazu@cs.umass.edu>
5748
5749         * builtins.c (fold_builtin_classify): Take decomposed
5750         arguments of CALL_EXPR.
5751         (fold_builtin_1): Update a call to fold_builtin_classify.
5752
5753 2005-03-13  Joseph S. Myers  <joseph@codesourcery.com>
5754
5755         PR c/20402
5756         * c-parser.c (c_parser_struct_or_union_specifier): Don't fall
5757         through into call to parser_xref_tag after parse error.
5758         (c_parser_struct_declaration): Consistently return NULL_TREE on
5759         error.
5760
5761 2005-03-12  Daniel Berlin  <dberlin@dberlin.org>
5762
5763         * tree-flow-inline.h (ref_contains_array_ref): New function.
5764         (lookup_subvars_for_var): Ditto.
5765         (get_subvars_for_var): Ditto.
5766         (var_can_have_subvars): Ditto.
5767
5768         * tree-flow.h (mem_tag_kind): Add STRUCT_FIELD.
5769         (struct subvar): New type.
5770
5771         * tree-dfa.c (okay_component_ref_for_subvars): New function.
5772
5773         * tree-optimize.c (init_tree_optimization_passes): Call
5774         pass_create_structure_vars.
5775
5776         * tree-ssa-alias.c: Include vec.h.
5777         (init_alias_info): Don't auto-clear call clobbered on struct-field
5778         tags.
5779         (compute_flow_insensitive_aliasing): Handle subvars.
5780         (group_aliases): Handle STRUCT_FIELD aliases.
5781         (setup_pointers_and_addressables): Ditto.
5782         Don't mark variables non-addressable if they still have
5783         addressable subvars.
5784         Also mark subvars addressable when the real variable is marked
5785         addressable.
5786         (add_pointed_to_var): Try to prune the pointed-to set by only
5787         pointing to subvars when possible.
5788         Otherwise, make sure we set addresses_needed and pt_vars to
5789         properly include subvars.
5790         (bitpos_of_field): New function.
5791         (push_fields_onto_fieldstack): Ditto.
5792         (get_or_create_used_part_for): Ditto.
5793         (create_overlap_variables_for): Ditto.
5794         (find_used_portions): Ditto.
5795         (create_structure_vars): Ditto.
5796         (pass_create_structure_vars): New structure.
5797
5798         * tree-ssa-operands.c (finalize_ssa_v_must_defs): Remove assert.
5799         (get_expr_operands): Handle subvars.  Also try to turn
5800         COMPONENT_REF accesses into must-defs now that we can accurately
5801         portray it.
5802         (note_addressable): Try to only mark as addressable those subvars
5803         we know a COMPONENT_REF touches.
5804         (overlap_subvar): New function.
5805
5806         * tree-vect-analyze.c (vect_object_analysis): Add new parameter.
5807         Handle subvar storing.
5808         (vect_address_analysis): Update caller of vect_object_analysis.
5809
5810         * tree-vect-transform.c (vect_create_data_ref_ptr): Copy subvars.
5811
5812         * tree-vectorizer.h (struct _stmt_vec_info): Add subvars member.
5813         (STMT_VINFO_SUBVARS): New macro.
5814
5815         * common.opts: add flag_tree_salias.
5816
5817         * opts.c (decode_options): flag_tree_salias defaults to on.
5818
5819         * doc/invoke.texi: Document fdump-tree-svars and -ftree-salias.
5820
5821         * doc/tree-ssa.texi: Document structural alias analysis.
5822
5823 2005-03-12  Steven Bosscher  <stevenb@suse.de>
5824
5825         * tree-cfg.c (make_goto_expr_edges): Don't use error_mark_node.
5826         * tree-ssa-dce.c (mark_stmt_necessary): Don't check for it.
5827         * tree-ssa-operands.c (get_expr_operands): Likewise.
5828         (get_expr_operands): Likewise for ERROR_MARK.
5829
5830 2005-03-12  Kazu Hirata  <kazu@cs.umass.edu>
5831
5832         * tree-ssa.c (kill_redundant_phi_nodes): Remove local variable
5833         var.
5834
5835         * tree-ssa-phiopt.c (tree_ssa_phiopt): Remove local variable
5836         removed_phis.
5837
5838         * tree-ssa-pre.c (compute_avail): Remove local variable val.
5839         (mark_operand_necessary): Remove local variable ver.
5840
5841         * tree-vect-transform.c (vect_get_new_vect_var): Remove local
5842         variable prefix_len.
5843
5844         * value-prof.c (mod_subtract_transform): Remove local variable
5845         value.
5846
5847         * builtins.c (fold_builtin_exponent): Take decomposed
5848         arguments of CALL_EXPR.
5849         (fold_builtin_1): Update a call to fold_builtin_exponent.
5850
5851         * builtins.c (fold_builtin_logarithm): Take decomposed
5852         arguments of CALL_EXPR.
5853         (fold_builtin_1): Update a call to fold_builtin_logarithm.
5854
5855         * c-decl.c (c_init_decl_processing): Remove local variables
5856         ptr_ftype_void and ptr_ftype_ptr.
5857
5858         * gimplify.c (gimplify_expr): Remove local variables r0 and
5859         r1.
5860
5861         * reg-stack.c (move_for_stack_reg): Remove local variable
5862         push_insn.
5863         (compare_for_stack_reg): Remove local variable flags_user.
5864         (convert_regs_1): Remove local variable deleted.
5865
5866         * tree-if-conv.c (tree_if_convert_cond_expr): Remove local
5867         variable new_cond.
5868         (combine_blocks): Remove local variables exits and new_e.
5869
5870         * tree-inline.c (expand_call_inline): Remove local variable
5871         decl.
5872
5873         * tree-ssa-live.c (create_ssa_var_map,
5874         calculate_live_on_entry): Remove local variable snn.
5875
5876 2005-03-12  Geoffrey Keating  <geoffk@apple.com>
5877
5878         * c-lex.c (c_lex_with_flags): Add parameter to call to
5879         cpp_spell_token.
5880
5881 2005-03-11  Per Bothner  <per@bothner.com>
5882
5883         * c-tree.h (struct c_declarator): New id_loc field.
5884         * c-pragma.h (c_lex_with_flags): Take position reference.
5885         * c-lex.c (c_lex_with_flags): Set passed-in location from cpp token,
5886         iff USE_MAPPED_LOCATION. (Type doesn't match otherwise.)
5887         (c_lex): Pass dummy location to c_lex_with_flags.
5888         * c-parser.c (c_lex_one_token): Set c_token's location using
5889         c_lex_with_flags, instead of input_location, which might be "ahead".
5890         (c_parser_direct_declarator): Set declarator's id_loc from
5891         c_token's id_loc.
5892         * c-decl.c (grokdeclarator): Set DECL_SOURCE_LOCATION from
5893         declarator's id_loc, rather than probably-imprecise input_location.
5894         (build_id_declarator): Initialize c_declarator's id_loc field.
5895
5896 2005-03-11  Roger Sayle  <roger@eyesopen.com>
5897
5898         PR middle-end/20419
5899         * builtins.c (expand_builtin_signbit): Force the signbit's word
5900         into an integer register to avoid SUBREGs of floating point modes.
5901
5902 2005-03-12  Kazu Hirata  <kazu@cs.umass.edu>
5903
5904         * cfglayout.c, loop-doloop.c, profile.c, target-def.h,
5905         target.h, targhooks.c, tracer.c, tree-ssa-loop-ch.c,
5906         tree-ssa-loop-unswitch.c, tree-ssa-loop.c, vec.c, vmsdbgout.c,
5907         config/m32r/m32r.md, config/xtensa/xtensa.h: Update copyright.
5908
5909 2005-03-11  David Edelsohn  <edelsohn@gnu.org>
5910
5911         PR rtl-optimization/20306
5912         * expr.c (emit_move_complex): Set try_int false if mode is
5913         MODE_COMPLEX_FLOAT and mov_optab exists for inner mode.  Only try
5914         emit_block_move if try_int is true.
5915
5916 2005-03-11  Richard Henderson  <rth@redhat.com>
5917
5918         PR target/20415
5919         * config/i386/mmx.md (vec_dupv4hi): Fix predicate.
5920         * config/i386/i386.c (ix86_expand_vector_init_duplicate): Update
5921         to match.
5922
5923 2005-03-11  Richard Sandiford  <rsandifo@redhat.com>
5924
5925         * config/mips/mips.h (mips_fix_vr4130_string): Declare.
5926         (TARGET_FIX_VR4130): New macro.
5927         (TARGET_OPTIONS): Add -mfix-vr4130.
5928         (ISA_HAS_MACCHI): New macro.
5929         (ASM_SPEC): Add -mfix-vr4130.
5930         * config/mips/mips.c (mips_fix_vr4130_string): New variable.
5931         (override_options): Handle mips_fix_vr4130_string.
5932         (mips_avoid_hazards): Clear all_noreorder_p
5933         if we're working around VR4130 errata and the macc alternatives
5934         are not available.
5935         * config/mips/mips.md (mfhilo_<mode>): Turn into a define_expand.
5936         (*mfhilo_<mode>, *mfhilo_<mode>_macc): New insns.
5937         * config/mips/vr.h (DEFAULT_VR_ARCH): Set to mfix-vr4130.
5938         (MULTILIB_DEFAULTS): Remove leading "march=".
5939         (DRIVER_SELF_SPECS): Likewise.  Make -mfix-vr4130 imply -march=vr4130
5940         if no architecture option is given.
5941         * config/mips/t-vr (MULTILIB_OPTIONS): Use -mfix-vr4130 for the
5942         VR4130 multilibs.
5943         (MULTILIB_MATCHES): Map -march=vr4130 to the -mfix-vr4130 multilibs.
5944         * doc/invoke.texi: Document -mfix-vr4130.
5945
5946 2005-03-11  Richard Sandiford  <rsandifo@redhat.com>
5947
5948         * config/mips/mips.c (override_options): Only warn about -mint64
5949         deprecation if TARGET_INT64.
5950
5951 2005-03-11  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
5952
5953         * builtin-attrs.def (ATTR_NONNULL_LIST, ATTR_NOTHROW_NONNULL,
5954         ATTR_CONST_NOTHROW_NONNULL, ATTR_PURE_NOTHROW_NONNULL,
5955         ATTR_MALLOC_NOTHROW_NONNULL): New "nonnull" attribute lists which
5956         are non-specific regarding the nonnull parameter positions.
5957         (ATTR_NONNULL_1_2, ATTR_NONNULL_1_4, ATTR_NOTHROW_NONNULL_1_2,
5958         ATTR_NOTHROW_NONNULL_1_4, ATTR_CONST_NOTHROW_NONNULL_1,
5959         ATTR_PURE_NOTHROW_NONNULL_1, ATTR_PURE_NOTHROW_NONNULL_1_2,
5960         ATTR_MALLOC_NOTHROW_NONNULL_1): Delete.
5961
5962         * builtins.def: Use the non-specific "nonnull" attibute lists.
5963
5964 2005-03-11  Zdenek Dvorak  <dvorakz@suse.cz>
5965
5966         * basic-block.h (single_succ_p, single_pred_p, single_succ_edge,
5967         single_pred_edge, single_succ, single_pred): Improve comments.
5968
5969 2005-03-11  Zdenek Dvorak  <dvorakz@suse.cz>
5970
5971         * basic-block.h (single_succ_p, single_pred_p, single_succ_edge,
5972         single_pred_edge, single_succ, single_pred): New inline functions.
5973         * bb-reorder.c (rotate_loop, find_traces_1_round,
5974         add_labels_and_missing_jumps, fix_up_fall_thru_edges,
5975         duplicate_computed_gotos): Use the single_succ/pred functions.
5976         * cfganal.c (forwarder_block_p): Ditto.
5977         * cfgbuild.c (compute_outgoing_frequencies): Ditto.
5978         * cfgcleanup.c (try_simplify_condjump, try_forward_edges,
5979         outgoing_edges_match, try_crossjump_to_edge, try_optimize_cfg,
5980         merge_seq_blocks): Ditto.
5981         * cfghooks.c (split_edge, tidy_fallthru_edges): Ditto.
5982         * cfglayout.c (fixup_reorder_chain): Ditto.
5983         * cfgloop.c (mark_single_exit_loops, update_latch_info,
5984         canonicalize_loop_headers, verify_loop_structure): Ditto.
5985         * cfgloopmanip.c (remove_path, unloop, loop_delete_branch_edge,
5986         mfb_update_loops, create_preheader, force_single_succ_latches,
5987         create_loop_notes): Ditto.
5988         * cfgrtl.c (rtl_can_merge_blocks, try_redirect_by_replacing_jump,
5989         force_nonfallthru_and_redirect, rtl_tidy_fallthru_edge,
5990         commit_one_edge_insertion, purge_dead_edges,
5991         cfg_layout_can_merge_blocks_p): Ditto.
5992         * except.c (sjlj_emit_function_enter): Ditto.
5993         * flow.c (init_propagate_block_info): Ditto.
5994         * function.c (thread_prologue_and_epilogue_insns): Ditto.
5995         * gcse.c (find_implicit_sets, bypass_conditional_jumps,
5996         insert_insn_end_bb): Ditto.
5997         * ifcvt.c (merge_if_block, find_if_block, find_if_case_1,
5998         find_if_case_2): Ditto.
5999         * lambda-code.c (perfect_nestify): Ditto.
6000         * lcm.c (optimize_mode_switching): Ditto.
6001         * loop-doloop.c (doloop_modify): Ditto.
6002         * loop-init.c (loop_optimizer_init): Ditto.
6003         * loop-iv.c (simplify_using_initial_values): Ditto.
6004         * loop-unroll.c (unroll_loop_runtime_iterations): Ditto.
6005         * loop-unswitch.c (unswitch_loop): Ditto.
6006         * modulo-sched.c (generate_prolog_epilog): Ditto.
6007         * predict.c (combine_predictions_for_insn, estimate_probability,
6008         tree_estimate_probability, last_basic_block_p,
6009         estimate_bb_frequencies): Ditto.
6010         * profile.c (branch_prob): Ditto.
6011         * regrename.c (copyprop_hardreg_forward): Ditto.
6012         * sched-rgn.c (is_cfg_nonregular, find_rgns, update_live): Ditto.
6013         * tracer.c (layout_superblocks): Ditto.
6014         * tree-cfg.c (tree_can_merge_blocks_p, tree_merge_blocks,
6015         cfg_remove_useless_stmts_bb, cleanup_control_flow,
6016         cleanup_control_expr_graph, disband_implicit_edges,
6017         tree_find_edge_insert_loc, bsi_commit_edge_inserts,
6018         tree_verify_flow_info, tree_make_forwarder_block,
6019         tree_forwarder_block_p, remove_forwarder_block,
6020         remove_forwarder_block_with_phi, merge_phi_nodes): Ditto.
6021         * tree-if-conv.c (tree_if_conversion): Ditto.
6022         * tree-mudflap.c (mf_build_check_statement_for): Ditto.
6023         * tree-ssa-dce.c (remove_dead_stmt): Ditto.
6024         * tree-ssa-dom.c (dom_opt_finalize_block): Ditto.
6025         * tree-ssa-loop-ch.c (should_duplicate_loop_header_p,
6026         copy_loop_headers): Ditto.
6027         * tree-ssa-loop-im.c (loop_commit_inserts): Ditto.
6028         * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Ditto.
6029         * tree-ssa-loop-manip.c (split_loop_exit_edge, ip_normal_pos,
6030         lv_adjust_loop_entry_edge, tree_ssa_loop_version): Ditto.
6031         * tree-ssa-loop-niter.c (simplify_using_initial_conditions): Ditto.
6032         * tree-ssa-loop-unswitch.c (simplify_using_entry_checks): Ditto.
6033         * tree-ssa-phiopt.c (tree_ssa_phiopt, value_replacement): Ditto.
6034         * tree-ssa-pre.c (compute_antic_aux, insert_aux, init_pre): Ditto.
6035         * tree-ssa-threadupdate.c (redirect_edges): Ditto.
6036         * tree-tailcall.c (independent_of_stmt_p, find_tail_calls,
6037         eliminate_tail_call, tree_optimize_tail_calls_1): Ditto.
6038         * tree-vect-analyze.c (vect_analyze_loop_form): Ditto.
6039         * tree-vect-transform.c (vect_update_ivs_after_vectorizer): Ditto.
6040         * tree-vectorizer.c (slpeel_update_phi_nodes_for_guard,
6041         slpeel_add_loop_guard): Ditto.
6042
6043 2005-03-11  James A. Morrison  <phython@gcc.gnu.org>
6044
6045         PR tree-optimization/15784
6046         * fold-const.c (fold): Fold ~A + 1 to -A.  Fold -A - 1
6047         and -1 - A to ~A.
6048
6049         * stmt.c (expand_case): Don't change index_type.  Convert minval
6050         to the proper type.
6051
6052         PR tree-optimization/20130
6053         * fold-const.c (fold): Fold x * -1 into -x.
6054
6055 2005-03-11  Kaz Kojima  <kkojima@gcc.gnu.org>
6056
6057         PR rtl-optimization/20331
6058         * rtlanal.c (modified_between_p): Check its address first for MEM.
6059         (modified_in_p): Likewise.
6060
6061 2005-03-11  Joseph S. Myers  <joseph@codesourcery.com>
6062
6063         * config.gcc (hppa*64*-*-hpux11*): Use pa/t-hpux-shlib.
6064
6065 2005-03-10  Steven Bosscher  <stevenb@suse.de>
6066
6067         * expr.c (expand_expr_real_1): If possible, use a conditional
6068         move for expanding MIN_EXPR and MAX_EXPR.
6069         Use temp for moving around rtx-en.
6070
6071 2005-03-10  Andrew Pinski  <pinskia@physics.uc.edu>
6072
6073         PR rtl-opt/20412
6074         * simplify-rtx.c (simplify_relational_operation_1): Fix typo - check the
6075         correct mode.
6076
6077 2005-03-10  Roger Sayle  <roger@eyesopen.com>
6078
6079         * builtins.c (expand_builtin_signbit): Extend to handle floating
6080         point modes wider than the largest integer type, using the
6081         operand_subword_force function to obtain the signbit's word.
6082
6083 2005-03-10  Jakub Jelinek  <jakub@redhat.com>
6084
6085         PR target/20322
6086         * combine.c (try_combine): If recog_for_combine added CLOBBERs
6087         to NEWI2PAT, fail to combine if they are used by NEWPAT.
6088
6089 2005-03-10  Aldy Hernandez  <aldyh@redhat.com>
6090
6091         * doc/invoke.texi: Add 8540 to list of cpus in rs6000 cpu section.
6092
6093 2005-03-10  Kazu Hirata  <kazu@cs.umass.edu>
6094
6095         * tree-outof-ssa.c (analyze_edges_for_bb): Make the return
6096         type void.
6097         (perform_edge_inserts): Unconditionally call
6098         free_dominator_info.
6099
6100         * tree-outof-ssa.c (analyze_edges_for_bb): Update a comment.
6101
6102 2005-03-10  Bob Wilson  <bob.wilson@acm.org>
6103
6104         * config/xtensa/xtensa.h (MEMBER_TYPE_FORCES_BLK): Define.
6105
6106 2005-03-10  Nathan Sidwell  <nathan@codesourcery.com>
6107
6108         * bitmap.c (bitmap_copy): Remove manual loop unrolling.
6109
6110         * value-prof.c (rtl_find_values_to_profile): Use gcc_assert and
6111         gcc_unreachable.
6112         (rtl_register_value_prof_hooks,
6113         tree_value_profile_transformations,
6114         tree_register_value_prof_hooks): Likewise.
6115         * var-tracking.c (stack_adjust_offset_pre_post,
6116         variable_htab_free, variable_union, dataflow_set_different_2,
6117         count_uses, variable_was_changed, set_frame_base_location,
6118         set_variable_part, emit_note_insn_var_location, vt_emit_notes,
6119         vt_add_function_parameters): Likewise.
6120         * varasm.c (named_section_real, named_section, make_decl_rtl,
6121         asm_emit_uninitialised, assemble_integer, decode_addr_const,
6122         const_hash_1, compare_constant, copy_constant, force_const_mem,
6123         output_constant_pool_2, output_constant_pool_1, output_constant,
6124         output_constructor, make_decl_one_only, decl_tls_model,
6125         default_no_named_section, default_elf_select_section_1,
6126         default_unique_section_1): Likewise.
6127         * vec.c (vec_gc_o_reserve, vec_heap_o_reserve): Likewise.
6128         * vmsdbgout.c (addr_const_to_string): Likewise.
6129
6130         PR c++/20375
6131         * function.c (struct assign_parm_data_one): Remove last_named
6132         field.
6133         (assign_parm_find_data_types): Don't determine last_named.
6134         Reorder named_parm determination.
6135         (assign_parms): Only setup varargs on the last non-varadic
6136         parameter.
6137
6138 2005-03-10  Kazuhiro Inaoka  <inaoka.lazuhiro@renesas.com>
6139
6140         * config/m32r/m32r.md (load_sda_base_32): New pattern.  Loads
6141         sda base address on medium model.
6142
6143 2005-03-10  Zdenek Dvorak  <dvorakz@suse.cz>
6144
6145         * Makefile.in (tree-optimize.o): Add CFGLOOP_H dependence.
6146         * cfgloop.c (flow_loop_nodes_find): Export.
6147         * cfgloop.h (flow_loop_nodes_find, fix_loop_structure):
6148         Declare.
6149         * cfgloopmanip.c (fix_loop_structure): New function.
6150         * predict.c (predict_loops): Clean up the loops information.
6151         * tree-cfg.c (cleanup_tree_cfg_loop): New function.
6152         (tree_can_merge_blocks_p, remove_bb, tree_forwarder_block_p): Respect
6153         loop structure.
6154         * tree-flow.h (cleanup_tree_cfg_loop): Declare.
6155         (rewrite_into_loop_closed_ssa): Declaration changed.
6156         * tree-loop-linear.c (linear_transform_loops): Add argument to
6157         rewrite_into_loop_closed_ssa call.
6158         * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
6159         * tree-ssa-loop-im.c (move_computations): Ditto.
6160         * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
6161         * tree-vectorizer.c (vectorize_loops): Ditto.
6162         * tree-optimize.c: Include cfgloop.h.
6163         (execute_todo): Choose whether to call cleanup_tree_cfg or
6164         cleanup_tree_cfg_loop.
6165         * tree-ssa-loop-ivcanon.c (canonicalize_loop_induction_variables,
6166         (tree_unroll_loops_completely): Enable cleanup_tree_cfg_loop call.
6167         * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Enable
6168         cleanup_tree_cfg_loop call.
6169         * tree-ssa-loop-manip.c (find_uses_to_rename_bb): New function.
6170         (find_uses_to_rename, rewrite_into_loop_closed_ssa): Support
6171         work on part of cfg.
6172
6173 2005-03-10  Jakub Jelinek  <jakub@redhat.com>
6174
6175         PR inline-asm/20314
6176         * gimplify.c (gimplify_asm_expr): Handle input/output constraints
6177         with multiple alternatives.
6178
6179         * stmt.c (parse_output_constraint): Fix a typo.
6180
6181 2005-03-09  Bob Wilson  <bob.wilson@acm.org>
6182
6183         * config/xtensa/xtensa.h (TRAMPOLINE_TEMPLATE): Use "no-transform"
6184         assembly directive instead of deprecated "no-generics".
6185
6186 2005-03-09  Ulrich Weigand  <uweigand@de.ibm.com>
6187
6188         * config/s390/s390.c (s390_secondary_output_reload_class): Adapt check
6189         for non-offsettable memory references to cope with outstanding reload
6190         replacements.
6191         * config/s390/s390.md ("reload_outti"): Call find_replacement to
6192         avoid losing outstanding address reloads.
6193         ("reload_outdi", "reload_outdf"): Likewise.
6194
6195 2005-03-09  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6196
6197         * builtins.c (fold_builtin_cbrt, fold_builtin_pow): Rearrange
6198         code.  Add more cbrt transformations.
6199
6200 2005-03-09  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6201
6202         * fold-const.c (fold_unary_to_constant): Add FIX_ROUND_EXPR case.
6203
6204 2005-03-09  Kazu Hirata  <kazu@cs.umass.edu>
6205
6206         * fold-const.c (fold_unary, fold_binary, fold_ternary): Return
6207         NULL_TREE when a given tree is not simplified.
6208         (fold): Return the original tree when any of the functions
6209         mentioned above NULL_TREE.
6210
6211         * fold-const.c (fold_unary, fold_binary): Take decomposed
6212         arguments, code, type, op0, and op1 in case of fold_binary.
6213         (fold): Update calls to fold_unary and fold_binary.
6214
6215 2005-03-09  Roger Sayle  <roger@eyesopen.com>
6216
6217         * builtins.c (fold_builtin_unordered_cmp): Change prototype to take
6218         a fndecl and an arglist instead of a CALL_EXPR, exp.
6219
6220 2005-03-09  Kazu Hirata  <kazu@cs.umass.edu>
6221
6222         * cfglayout.c (fixup_reorder_chain): Remove old_bb.
6223
6224         * cfgrtl.c (cfg_layout_merge_blocks): Remove new_e.
6225
6226         * expr.c (expand_assignment): Remove orig_to_rtx.
6227
6228         * fold-const.c (int_const_binop): Remove no_overflow.
6229
6230         * ifcvt.c (noce_emit_move_insn): Remove inmode.
6231
6232         * loop-iv.c (get_biv_step_1): Remove lhs.
6233
6234         * loop-unroll.c (analyze_insns_in_loop): Remove preheader.
6235
6236         * real.c (real_nan): Remove neg.
6237
6238         * function.c (thread_prologue_and_epilogue_insns): Remove i
6239         and newinsn.
6240
6241         * tree-data-ref.c (array_base_name_differ_p): Remove ta and
6242         tb.
6243
6244         * tree-eh.c (tree_could_trap_p): Remove idx.
6245
6246         * tree-into-ssa.c (ann): Remove ann.
6247
6248         * tree-outof-ssa.c (num_nodes): Remove num_nodes.
6249
6250         * tree-sra.c (decide_block_copy): Remove inst_count.
6251
6252         * tree-ssa-alias.c (may_alias_p): Remove v_ann.
6253
6254         * tree-ssa-loop-im.c (lhs): Remove.
6255
6256         * cfgbuild.c (state, STATE, SET_STATE,
6257         BLOCK_USED_BY_TABLEJUMP, FULL_STATE): Move just before
6258         make_edges.
6259         (make_edges): Speed up by skipping blocks with BLOCK_ORIGINAL.
6260         (find_basic_blocks): Set the state of each basic block to
6261         BLOCK_NEW.
6262
6263 2005-03-08  Jeff Law  <law@redhat.com>
6264
6265         * tree-cfg.c (cleanup_control_flow): If removal of a computed
6266         goto results in the removal of edges in the CFG, then we need
6267         to recompute dominators.
6268
6269 2005-03-09  Ben Elliston  <bje@au.ibm.com>
6270
6271         * c-common.c (c_do_switch_warnings): Comment fix.
6272
6273 2005-03-08  Julian Brown  <julian@codesourcery.com>
6274
6275         * Patch from 2005-03-08 reverted for causing regressions and
6276         ppc-darwin bootstrap failure.
6277
6278 2005-03-08  Fariborz Jahanian <fjahanian@apple.com>
6279
6280         * config/rs6000/rs6000.c (invalid_arg_for_unprototyped_fn):
6281         Define the real function for ppc-darwin.
6282         * c-typeck.c (convert_arguments): Check for target-specific
6283         invalid argument call to unprototyped function.
6284         * target-def.h (TARGET_INVALID_ARG_FOR_UNPROTOTYPED_FN):
6285         New Macro.
6286         * target.h (invalid_arg_for_unprototyped_fn): New field
6287         in struct calls.
6288         * targhooks.c (hook_invalid_arg_for_unprototyped_fn): New
6289         default target hook.
6290         * targhooks.h (hook_invalid_arg_for_unprototyped_fn):
6291         Declare.
6292
6293 2005-03-08  Kazu Hirata  <kazu@cs.umass.edu>
6294
6295         * c-typeck.c (constructor_stack, constructor_range_stack,
6296         initializer_stack): Make them static.
6297
6298         * cfg.c (rbi_pool): Make it static.
6299
6300         * gimple-low.c (lower_stmt_body): Make it static.
6301         * tree-flow.h: Remove the corresponding prototype.  Don't
6302         declare lower_data.
6303
6304         * sched-deps.c (cache_size): Make it static.
6305
6306         * stor-layout.c (lang_adjust_rli): Make it static.
6307
6308 2005-03-08  Julian Brown  <julian@codesourcery.com>
6309
6310         * config/elfos.h (MAKE_DECL_ONE_ONLY): Redefined to stop DECL_WEAK
6311         from being used for symbols with vague linkage when
6312         HAVE_GAS_COMDAT_GROUP is true.
6313
6314 2005-03-08  J"orn Rennecke <joern.rennecke@st.com>
6315
6316         * jump.c (invert_jump_1): Don't call redirect_jump_1 with
6317         nlabel == JUMP_LABEL (jump).
6318
6319 2005-03-08  Kazu Hirata  <kazu@cs.umass.edu>
6320
6321         * c-common.c, c-opts.c, combine.c, cse.c, dojump.c,
6322         gimplify.c, tree-dfa.c, tree-ssa-loop-ivopts.c,
6323         tree-ssa-phiopt.c, tree-ssa-pre.c, tree-ssa-sink.c,
6324         tree-vect-analyze.c, tree.def, tree.h: Fix comment formatting.
6325
6326 2005-03-08  Alexey Neyman  <alex.neyman@auriga.ru>
6327
6328         PR c/14411
6329         * calls.c (flags_from_decl_or_type): Handle eturns_twice' attribute.
6330         * c-common.c (handle_returns_twice): New function.
6331         (c_common_attribute_table): Declare eturns_twice' attribute.
6332         * doc/extend.texi: Document eturns_twice' attribute.
6333         * tree.h (DECL_IS_RETURNS_TWICE): New macro.
6334         (struct tree_decl): Add returns_twice_flag.
6335
6336 2005-03-08  Kazu Hirata  <kazu@cs.umass.edu>
6337
6338         * tree-ssa-phiopt.c: Fix a comment typo.
6339
6340         * c-semantics.c, cfghooks.c, diagnostic.h, loop-iv.c,
6341         loop-unswitch.c, modulo-sched.c, stor-layout.c, tree-gimple.h,
6342         config/i386/cygwin1.c, doc/cfg.texi, doc/objc.texi: Update
6343         copyright.
6344
6345 2005-03-08  Richard Henderson  <rth@redhat.com>
6346
6347         * config/alpha/alpha.c (code_for_builtin): Replace special-case
6348         builtin codes with ctzdi2, clzdi2, popcountdi2.
6349         (struct alpha_builtin_def): Add is_const.
6350         (zero_arg_builtins, one_arg_builtins, two_arg_builtins): Init it.
6351         (alpha_v8qi_u, alpha_v8qi_s, alpha_v4hi_u, alpha_v4hi_s): New.
6352         (alpha_init_builtins): Init them.  Set nothrow and const attributes
6353         on builtins.
6354         (alpha_fold_builtin_cmpbge, alpha_fold_builtin_zapnot,
6355         alpha_fold_builtin_extxx, alpha_fold_builtin_insxx,
6356         alpha_fold_builtin_mskxx, alpha_fold_builtin_umulh,
6357         alpha_fold_vector_minmax, alpha_fold_builtin_perr,
6358         alpha_fold_builtin_pklb, alpha_fold_builtin_pkwb,
6359         alpha_fold_builtin_unpkbl, alpha_fold_builtin_unpkbw,
6360         alpha_fold_builtin_cttz, alpha_fold_builtin_ctlz,
6361         alpha_fold_builtin_ctpop, alpha_fold_builtin): New.
6362         (TARGET_FOLD_BUILTIN): New.
6363         * config/alpha/alpha.md (UNSPEC_CTTZ): Remove.
6364         (UNSPEC_CTLZ, UNSPEC_CTPOP): Remove.
6365         (ffsdi2): Use ctz.
6366         (cttz, builtin_cttz, builtin_ctlz, builtin_ctpop): Remove.
6367
6368 2005-03-08  Ira Rosen  <irar@il.ibm.com>
6369
6370         PR tree-optimization/20122
6371         * tree-vect-analyze.c (vect_object_analysis): Analyze initial
6372         condition of access function instead of base.
6373
6374 2005-03-07  Jeff Law  <law@redhat.com>
6375             Steven Bosscher  <stevenb@suse.de>
6376
6377         * tree-cfg.c (find_taken_edge_computed_goto): New function.
6378         (find_taken_edge): Call find_taken_edge_computed_goto as
6379         appropriate.  Allow any gimple invariant rather than just
6380         INTEGER_CST for VAL.
6381         (cleanup_control_flow): Cleanup a computed goto which has turned
6382         into a simple goto.
6383         (tree_merge_blocks): If block B has any forced labels, move
6384         them to the start of block A.
6385         * tree-ssa-dom.c (thread_across_edge): Allow threading across
6386         computed gotos as well.
6387         * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Handle
6388         removal of unnecessary computed gotos too.
6389         (lookup_redirection_data): Fix type of INSERT argument.  Callers
6390         updated.
6391
6392 2005-03-08  Kazu Hirata  <kazu@cs.umass.edu>
6393
6394         * tree-ssa-phiopt.c: Update copyright.  Fix indentations.
6395         Remove trailing spaces.
6396
6397         * gimplify.c (gimple_push_bind_expr, gimple_pop_bind_expr,
6398         unshare_all_trees): Make them static.
6399         * tree-gimple.h: Remove the corresponding prototypes.
6400
6401         * diagnostic.h: Remove unused prototype
6402         debug_output_buffer.
6403         * modulo-sched.c: Remove unused prototype
6404         set_row_column_for_ps.
6405
6406         * tree-ssa-phiopt.c (tree_ssa_phiopt,
6407         replace_phi_edge_with_variable): Remove unused variable i.
6408
6409 2005-03-07  Per Bothner  <per@bothner.com>
6410
6411         * tree.h (DECL_IS_BUILTIN): Reverted my patch from earlier today.
6412
6413 2005-03-06  Andrew Pinski  <pinskia@physics.uc.edu>
6414
6415         PR tree-opt/17671
6416         * tree-ssa-phiopt.c (tree_ssa_phiopt): Rewrite so we base the
6417         bbs on the COND_EXPR instead of the PHI_NODEs.
6418         (candidate_bb_for_phi_optimization): Remove.
6419         (replace_phi_with_stmt): Rename to ...
6420         (replace_phi_edge_with_variable): this and change so that we
6421         replace the phi argument instead of removing the PHI.
6422         (conditional_replacement): Change so we deal with PHI with more
6423         than two arguments.
6424         (value_replacement): Likewise.
6425         (abs_replacement): Likewise.
6426
6427 2005-03-07  Aldy Hernandez  <aldyh@redhat.com>
6428
6429         * config/rs6000/rs6000-protos.h: Rename output_e500_flip_eq_bit to
6430         output_e500_flip_gt_bit.
6431
6432         * config/rs6000/rs6000.c (print_operand): case D: Print out bit 31
6433         as bit 31.
6434         (rs6000_generate_compare): Fix logic to look at the correct bits.
6435         (output_e500_flip_eq_bit): Rename to output_e500_flip_gt_bit.
6436         Look at GT bit.
6437         (rs6000_emit_sCOND): Rename gen_e500_flip_eq_bit to
6438         gen_e500_flip_gt_bit.  Rename gen_move_from_CR_eq_bit to
6439         gen_move_from_CR_gt_bit.
6440
6441         * config/rs6000/rs6000.md ("move_from_CR_eq_bit"): Change bit
6442         ("move_from_CR_eq_bit"): Rename to move_from_CR_gt_bit.
6443         (UNSPEC_MV_CR_EQ): Rename to UNSPEC_MV_CR_GT.
6444
6445         * config/rs6000/spe.md ("e500_cr_ior_compare"): New.
6446         (E500_CR_IOR_COMPARE): New constant.
6447
6448 2005-03-08  Earl Chew <earl_chew@agilent.com>
6449             David Billinghurst <David.Billinghurst@riotinto.com>
6450
6451         * config/i386/host-cygwin.c: New file to support precompiled
6452         headers on cygwin
6453         * config/i386/x-cygwin: Use host-cygwin.c on cygwin host
6454         * config.host: Use above files for cygwin host.
6455
6456 2005-03-07  David Edelsohn  <edelsohn@gnu.org>
6457
6458         * fold-const.c (fold_binary_op_with_conditional_arg): Fix typo
6459         ordering ops from earlier change.
6460
6461 2005-03-07  Per Bothner  <per@bothner.com>
6462
6463         Various fixes to allow us to again build if --enable-mapped-location:
6464         * c-decl.c (finish_function): Use SET_EXPR_LOCATION instead of
6465         unavailable annotate_with_file_line, if USE_MAPPED_LOCATION.
6466         * tree-cfg.c (remove_bb): If USE_MAPPED_LOCATION, change type of
6467         local variable loc. Change logic appropriately.
6468         * tree-vect-transform.c (vect_finish_stmt_generation): Use
6469         EXPR_LOCATION rather than EXPR_LOCUS if USE_MAPPED_LOCATION.
6470         * c-parser.c (c_parser_for_statement): Initialize loc variable.
6471         * tree.h (DECL_IS_BUILTIN): Temporarily revert definition of
6472         DECL_IS_BUILTIN in the USE_MAPPED_LOCATION because of jc1 issues.
6473
6474 2005-03-07  Richard Sandiford  <rsandifo@redhat.com>
6475
6476         PR rtl-optimization/19683
6477         * reload1.c (choose_reload_regs): Pass the number of bits, not the
6478         number of bytes, to smallest_int_for_mode.  Fix arguments to
6479         REG_CANNOT_CHANGE_MODE_P.
6480
6481 2005-03-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
6482
6483         * reorg.c (relax_delay_slots): Check that the jump is
6484         conditional before trying to invert it.
6485
6486 2005-03-07  Kazu Hirata  <kazu@cs.umass.edu>
6487
6488         * bb-reorder.c (max_entry_frequency, max_entry_frequency):
6489         Make them static.
6490
6491         * calls (stack_arg_under_construction): Make it static.
6492
6493         * flow.c (regs_live_at_setjmp): Make it static.
6494         * flow.h: Remove the corresponding prototype.
6495
6496         * reload1.c (reload_startobj, reload_firstobj,
6497         something_needs_operands_changed, reload_inherited,
6498         reload_inheritance_insn, reload_override_in,
6499         reload_spill_index): Make them static.
6500
6501         * recog.c (verify_changes): Make it static.
6502         * recog.h: Remove the corresponding prototype.
6503
6504         * cfgbuild.c (find_sub_basic_blocks): Remove.
6505         * basic-block.h: Remove the corresponding prototype.
6506         * cfgexpand.c, cfgrtl.c: Don't mention find_sub_basic_blocks
6507         in comments.
6508         * doc/cfg.texi: Don't mention find_sub_basic_blocks.
6509
6510         * tree-ssa-operands.c (check_build_stmt): Remove.
6511
6512         * stor-layout.c (set_alignment): Remove.
6513         * tree.h: Remove the corresponding prototype.
6514
6515         * tree-ssa-pre.c (has_abnormal_preds): Make it static.
6516
6517         * tree-ssa-dce.c (control_dependence_map,
6518         visited_control_parents): Make them static.
6519
6520         * cfghooks.c (verify_flow_info): Remove local variable
6521         num_bb_notes.
6522
6523         * cfgrtl.c (rtl_verify_flow_info_1): Remove local variable
6524         last_bb_seen.
6525
6526         * loop-unswitch.c (unswitch_loop): Remove local variable src.
6527
6528 2005-03-07  David Billinghurst <David.Billinghurst@riotinto.com>
6529
6530         * config/i386/cygwin1.c(mingw_scan): Use xstrdup in calls to putenv.
6531
6532 2005-03-07  Joseph S. Myers  <joseph@codesourcery.com>
6533
6534         * config/ia64/hpux.h (LINK_SPEC): Add -z.
6535         * config/ia64/ia64.c (ia64_function_value): Return a REG not a
6536         PARALLEL for an empty structure.
6537
6538 2005-03-07  Kazu Hirata  <kazu@cs.umass.edu>
6539
6540         * fold-const.c (fold_binary): Remove handling of RANGE_EXPR.
6541
6542         * fold-const.c (fold_binary): Unroll the very first "for"
6543         loop.
6544
6545 2005-03-06  David Edelsohn  <edelsohn@gnu.org>
6546
6547         * config/rs6000/predicates.md (branch_comparison_operator): Remove
6548         redundant match_code test.
6549         (scc_comparison_operator): Swap match_operand and match_code
6550         tests.
6551         (branch_positive_comparison_operator): Same.
6552         (trap_comparison_operator): Use comparison_operator and swap with
6553         match_code test.
6554
6555 2005-03-06  Marek Michalkiewicz  <marekm@amelek.gda.pl>
6556
6557         PR target/20288
6558         * config/avr/avr.c (print_operand): Add 'p' and 'r'.
6559         (out_movhi_r_mr): Read low byte of volatile MEM first.
6560         (out_movhi_mr_r): Write high byte of volatile MEM first.
6561
6562 2005-03-05  Kazu Hirata  <kazu@cs.umass.edu>
6563
6564         * cselib.c (reg_values, reg_values_size): Make them static.
6565
6566         * cse.c (cse_reg_info_table): Make it static.
6567
6568         * fold-const.c (fold_unary): Use build1 instead of copy_node.
6569
6570 2005-03-06  Zdenek Dvorak  <dvorakz@suse.cz>
6571
6572         * cse.c (find_best_addr): Use canon_for_address.
6573
6574 2005-03-06  Kazu Hirata  <kazu@cs.umass.edu>
6575
6576         * cse.c (fold_rtx_subreg, fold_rtx_mem): New.
6577         (fold_rtx): Call fold_rtx_subreg and fold_rtx_mem to handle
6578         SUBREG and MEM, respectively.
6579
6580         * fold-const.c (fold_binary): Use code instead of t.
6581
6582         * fold-const.c (optimize_minmax_comparison): Take decomposed
6583         arguments code, type, op0, and op1 instead of t.
6584         (fold_binary): Update a call to optimize_minmax_comparison.
6585
6586         * fold-const.c (fold_range_test): Take decomposed arguments
6587         code, type, op0, and op1 instead of t.
6588         (fold_binary): Update a call to fold_range_test.
6589
6590         * fold-const.c (fold_binary_op_with_conditional_arg): Take
6591         decomposed arguments code, type, op0, and op1 instead of t.
6592         (fold_binary): Update a call to fold_range_test.
6593
6594 2005-03-06  Kazu Hirata  <kazu@cs.umass.edu>
6595
6596         * fold-const.c (fold_binary): Avoid directly using the original
6597         expression t as much as possible.
6598
6599 2005-03-05  Kazu Hirata  <kazu@cs.umass.edu>
6600
6601         * c-semantics.c (build_stmt): Use TYPE_P instead of
6602         IS_NON_TYPE_CODE_CLASS.
6603         * tree.h (IS_NON_TYPE_CODE_CLASS): Remove.
6604         (NON_TYPE_CHECK): Use TYPE_P instead of
6605         IS_NON_TYPE_CODE_CLASS.
6606
6607         * fold-const.c (fold): Remove handling of binary expressions.
6608
6609 2005-03-05  James A. Morrison  <phython@gcc.gnu.org>
6610
6611         * doc/c-tree.texi: Wrap comments in @r{}.
6612         * doc/cpp.texi: Likewise.
6613         * doc/cppinternals.texi: Likewise.
6614         * doc/extend.texi: Likewise.
6615         * doc/md.texi: Likewise.
6616         * doc/objc.texi: Likewise.
6617         * doc/sourcebuild.texi: Likewise.
6618         * doc/tm.texi: Likewise.
6619         * doc/tree-ssa.texi
6620
6621 2005-03-05  Kazu Hirata  <kazu@cs.umass.edu>
6622
6623         * predict.c (apply_return_prediction): Standardize PHI chain
6624         walking.
6625         * tree-ssa.c (ssa_redirect_edge): Likewise.
6626
6627         * genattrtab.c, genemit.c, genoutput.c, genrecog.c,
6628         gensupport.c, jump.c, tree-phinodes.c, unwind-dw2-fde-glibc.c:
6629         Update copyright.
6630
6631         * tree-phinodes.c (remove_phi_node): Drop the last argument.
6632         * tree-flow.h: Adjust the prototype for remove_phi_node.
6633         * lambda-code.c (perfect_nestify): Adjust a call to
6634         remove_phi_node.
6635         * tree-cfg.c
6636         (remove_phi_nodes_and_edges_for_unreachable_block): Likewise.
6637         * tree-outof-ssa.c (eliminate_virtual_phis, remove_ssa_form):
6638         Likewise.
6639         * tree-ssa-dce.c (remove_dead_phis): Likewise.
6640         * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
6641         * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
6642         * tree-ssa.c (kill_redundant_phi_nodes): Likewise.
6643
6644         * combine.c (simplify_and_const_int): Use gen_int_mode instead
6645         of GEN_INT (trunc_int_for_mode (...)).
6646         * loop-iv.c (iv_number_of_iterations): Likewise.
6647         * postreload.c (reload_cse_move2add): Likewise.
6648         * simplify-rtx.c (simplify_const_unary_operation,
6649         simplify_const_binary_operation): Likewise.
6650         * stor-layout.c (get_mode_bounds): Likewise.
6651
6652         * fold-const.c (fold_binary): New.
6653         (fold): Call fold_binary on binary expressions.
6654
6655 2005-03-05  Richard Sandiford  <rsandifo@redhat.com>
6656
6657         * doc/invoke.texi: Document new MIPS -msym32 and -mno-sym32 options.
6658         * config/mips/mips.h (MASK_SYM32, TARGET_SYM32): New macros.
6659         (TARGET_SWITCHES): Add -msym32 and -mno-sym32.
6660         (ABI_HAS_64BIT_SYMBOLS): Set to false if TARGET_SYM32.
6661         (ASM_SPEC): Pass down -msym32 and -mno-sym32.
6662
6663 2005-03-04  Devang Patel  <dpatel@apple.com>
6664
6665         PR tree-optimization/18815
6666         * tree-if-conv.c (combine_blocks): Adjust loop header edges for
6667         loops with zero exit edges.
6668
6669 2005-03-04  Devang Patel  <dpatel@apple.com>
6670
6671         * doc/invoke.texi: Remove reference to webpage that does not exist.
6672
6673 2005-03-04  John David Anglin  <dave.danglin@nrc-cnrc.gc.ca>
6674             Joseph S. Myers  <joseph@codesourcery.com>
6675
6676         PR c++/19797
6677         * pa/elf.h, pa64-hpux.h, som.h (ASM_OUTPUT_EXTERNAL_REAL): Define.
6678         (ASM_OUTPUT_EXTERNAL): Call pa_hpux_asm_output_external.
6679         * pa-protos.h (pa_hpux_asm_output_external): Add prototype.
6680         * pa.c (get_plabel): Change argument to symbol_ref.  Call
6681         maybe_get_identifier instead of get_identifier.
6682         (pa_hpux_asm_output_external, pa_hpux_file_end): New functions.
6683         (struct deferred_plabel): Replace name field with symbol field.
6684         (TARGET_ASM_FILE_END): Define as pa_hpux_file_end if
6685         ASM_OUTPUT_EXTERNAL_REAL is defined.
6686         (output_global_address): Use output_addr_const for output of all
6687         symbol_refs.
6688         (output_deferred_plabels): Use symbol_ref instead of name for address
6689         output.
6690         * pa.h (SYMBOL_FLAG_REFERENCED, SYMBOL_REF_REFERENCED_P,
6691         ASM_OUTPUT_SYMBOL_REF): New macros.
6692         * som.h (ASM_OUTPUT_EXTERNAL_LIBCALL): Use assemble_name_raw.  Update
6693         comment.
6694         (ASM_WEAKEN_LABEL): Use targetm.asm_out.globalize_label to globalize
6695         label.
6696
6697 2005-03-05  Joseph S. Myers  <joseph@codesourcery.com>
6698
6699         * config.gcc (hppa*64*-*-hpux11*): Use pa/pa-hpux1111.h for
6700         *-*-hpux11.[1-9]*, not just for *-*-hpux11.11.
6701
6702 2005-03-04  Jeff Law  <law@redhat.com>
6703
6704         * basic-block.h (rediscover_loops_after_threading): Declare.
6705         * tree-ssa-dom.c: Include cfgloop.h.
6706         (tree_ssa_dominator_optimize): Discover loops and some basic
6707         properties.  Remove forwarder blocks recreated by loop header
6708         canonicalization.  Also mark backedges in the CFG.
6709         * tree-ssa-threadupdate.c: Include cfgloop.h
6710         (rediscover_loops_after_threading): Define.
6711         (struct local_info): New field, JUMP_THREADED.
6712         (prune_undesirable_thread_requests): New function.
6713         (redirect_edges): Clear EDGE_ABNORMAL.  If edges were threaded
6714         then record that fact for the callers of redirct_edges.
6715         (thread_block): If BB has incoming backedges, then call
6716         prune_undesirable_thraed_requests.    Note when we are
6717         going to have to rediscover loop information.  Return a
6718         boolean indicating if any jumps were threaded.
6719         (thread_through_all_blocks): Bubble up boolean indicating
6720         if any jumps were threaded.
6721         * Makefile.in (tree-ssa-dom.o): Depend on cfgloop.h
6722         (tree-ssa-threadupdate.o): Similarly.
6723
6724 2005-03-04  Kazu Hirata  <kazu@cs.umass.edu>
6725
6726         * fold-const.c (fold_ternary): Unroll the "for" loop to
6727         extract operands.
6728
6729 2005-03-04  Andrew Haley  <aph@redhat.com>
6730
6731         * unwind-dw2-fde-glibc.c (struct
6732         unw_eh_callback_data.check_cache): New field.
6733         (frame_hdr_cache): New.
6734         (_Unwind_IteratePhdrCallback): Add ext_dl_phdr_info.
6735         Cache frame header info.
6736
6737 2005-03-04  Richard Sandiford  <rsandifo@redhat.com>
6738
6739         * rtl.h (copy_rtx_ptr_loc, print_rtx_ptr_loc, join_c_conditions)
6740         (print_c_condition): Declare.
6741         * read-rtl.c (ptr_loc): New structure.
6742         (ptr_locs, ptr_loc_obstack, joined_conditions)
6743         (joined_conditions_obstack): New variables.
6744         (leading_ptr_hash, leading_ptr_eq_p, set_rtx_ptr_loc)
6745         (get_rtx_ptr_loc, copy_rtx_ptr_loc, print_rtx_ptr_loc)
6746         (join_c_conditions, print_c_condition): New functions.
6747         (apply_macro_to_string): Associate the new string with the same
6748         source location as the old one.
6749         (add_condition_to_string): Use join_c_conditions.
6750         (read_string): Use set_rtx_ptr_loc to record a filename and line
6751         number for the string.
6752         (read_rtx): Initialize the new variables above.
6753         * genattrtab.c (write_test_expr, write_attr_value): Use
6754         print_c_condition.
6755         * genconditions.c (write_header): Don't define MAYBE_EVAL.  Move its
6756         comment above the GCC_VERSION check.
6757         (write_one_condition): Use print_rtx_ptr_loc and print_c_condition.
6758         Inline the definition of MAYBE_EVAL.
6759         * genemit.c (gen_expand, gen_split): Use print_rtx_ptr_loc.
6760         * genoutput.c (process_template): Likewise.
6761         * genpreds.c (write_predicate_subfunction): Likewise.
6762         (write_predicate_expr): Use print_c_condition.
6763         * genrecog.c (write_cond): Likewise.
6764         * gensupport.c (process_rtx): Use join_c_conditions to join the
6765         conditions of a define_insn_and_split.  Record a source location
6766         for the string after the "&&".
6767         (alter_test_for_insn): Use join_c_conditions.
6768
6769 2005-03-04  Andrew Pinski  <pinskia@physics.uc.edu>
6770
6771         Revert for now:
6772         2005-03-03  James A. Morrison  <phython@gcc.gnu.org>
6773         PR tree-optimization/15784
6774         * fold-const.c (fold): Fold ~A + 1 to -A.  Fold -A - 1
6775         and -1 - A to ~A.
6776
6777 2005-03-04  Ben Elliston  <bje@au.ibm.com>
6778
6779         * gcc.c (option_map): Add --coverage.
6780         (LINK_COMMAND_SPEC): Pass -lgcov for `coverage'.
6781         (cc1_options): Pass -fprofile-arcs -ftest-coverage for `coverage'.
6782         * config/darwin.h: Pass -lgcov for `coverage'.
6783         * doc/invoke.texi (Debugging Options): Document --coverage.
6784
6785 2005-03-04  Kazu Hirata  <kazu@cs.umass.edu>
6786
6787         * gcse.c (bypass_block): Use find_edge wherever possible.
6788
6789 2005-03-03  Daniel Berlin <dberlin@dbrelin.org>
6790
6791         Fix PR debug/20253
6792
6793         * c-opts.c (c_common_parse_file): Call start_source_file
6794         and end_source_file at the approriate times.
6795
6796         * dwarf2out.c (dwarf2out_finish): Don't auto-end
6797         the main file, it will be done for us now.
6798
6799 2005-03-04  Kazu Hirata  <kazu@cs.umass.edu>
6800
6801         * fold-const.c (fold_ternary): New.
6802         (fold): Call fold_ternary on ternary expressions.  Remove
6803         handling of ternary expressions.
6804
6805 2005-03-03  James A. Morrison  <phython@gcc.gnu.org>
6806
6807         PR tree-optimization/15784
6808         * fold-const.c (fold): Fold ~A + 1 to -A.  Fold -A - 1
6809         and -1 - A to ~A.
6810
6811 2005-03-03  David Edelsohn  <edelsohn@gnu.org>
6812
6813         * config/rs6000/predicates.md (branch_comparison_operator):
6814         Convert from C block to conditional format.
6815
6816 2005-03-03  Jan Hubicka  <jh@suse.cz>
6817
6818         * tree-dfa.c (add_referenced_var): Don't walk initializer of external
6819         and non-constant public variables.
6820
6821 2005-03-03  Kazu Hirata  <kazu@cs.umass.edu>
6822
6823         * tree-cfg.c (stmt_starts_bb_p): Clean up by replacing code
6824         with LABEL_EXPR.
6825
6826         * cfgexpand.c (construct_exit_block): Use EDGE_PRED instead of
6827         EDGE_I.
6828
6829         * tree-phinodes.c (remove_phi_node): Clean up by factoring out
6830         calls to release_ssa_name and release_phi_node.
6831
6832         * fold-const.c (fold): Remove handling of unary expressions.
6833
6834         * fold-const.c (fold_unary): Avoid directly using the original
6835         expression t as much as possible.
6836
6837 2005-03-03  Roger Sayle  <roger@eyesopen.com>
6838             Andrew Pinski  <pinskia@physics.uc.edu>
6839
6840         * jump.c (redirect_exp_1): If nlabel is a NULL pointer create a
6841         RETURN rtx, and not a LABEL_REF containing a NULL pointer.
6842
6843 2005-03-03  Hans-Peter Nilsson  <hp@axis.com>
6844
6845         Describe special registers SRP and MOF as allocatable registers.
6846         * config/cris/cris.c (cris_md_asm_clobbers): New function.
6847         (TARGET_MD_ASM_CLOBBERS): Define to cris_md_asm_clobbers.
6848         (cris_conditional_register_usage): Enable CRIS_MOF_REGNUM if
6849         TARGET_HAS_MUL_INSNS.
6850         (cris_print_operand) <case 'd'>: New case.
6851         <case REG>: Allow CRIS_MOF_REGNUM and CRIS_SRP_REGNUM.
6852         * config/cris/cris.h (CRIS_PC_REGNUM, CRIS_SRP_REGNUM): Don't
6853         define.
6854         (FIRST_PSEUDO_REGISTER, FIXED_REGISTERS, CALL_USED_REGISTERS)
6855         (REG_ALLOC_ORDER): Update for MOF.
6856         (enum reg_class): New members MOF_REGS, GENERAL_REGS and
6857         SPECIAL_REGS.
6858         (GENERAL_REGS): No longer a define of ALL_REGS.
6859         (REGNO_REG_CLASS, REG_CLASS_CONTENTS, REG_CLASS_NAMES)
6860         (PREFERRED_RELOAD_CLASS, REGISTER_NAMES, DBX_REGISTER_NUMBER):
6861         Adjust accordingly.
6862         (CRIS_SPECIAL_REGS_CONTENTS): New macro.
6863         (REG_CLASS_FROM_LETTER): Allocate 'h' and 'x'.
6864         (SECONDARY_RELOAD_CLASS): Define.
6865         (STACK_POINTER_REGNUM): Define as CRIS_SP_REGNUM.
6866         (FRAME_POINTER_REGNUM): Define as CRIS_FP_REGNUM.
6867         (ARG_POINTER_REGNUM): Define as CRIS_AP_REGNUM.
6868         (STATIC_CHAIN_REGNUM): Define as CRIS_STATIC_CHAIN_REGNUM.
6869         (REGISTER_MOVE_COST): Define.
6870         (PIC_OFFSET_TABLE_REGNUM): Define in terms of CRIS_GOT_REGNUM.
6871         * config/cris/cris.md (CRIS_GOT_REGNUM, CRIS_STATIC_CHAIN_REGNUM)
6872         (CRIS_FP_REGNUM, CRIS_SP_REGNUM, CRIS_SRP_REGNUM, CRIS_AP_REGNUM)
6873         (CRIS_MOF_REGNUM): New define_constants.
6874         ("*movsi_internal", "movhi", "movqi", "movsf"): Add alternatives for
6875         special registers.
6876         ("reload_inhi", "reload_outhi", "reload_inqi", "reload_outqi"):
6877         New patterns.
6878         ("umulhisi3", "umulqihi3", "mulsi3", "mulqihi3", "mulhisi3")
6879         ("mulsidi3", "umulsidi3", "smulsi3_highpart", "umulsi3_highpart"):
6880         Adjust for MOF being properly described as a register.
6881         (indir_to_reg_split): Name this split.  Conditionalize on the
6882         destination register being a general register.
6883         (movei): Conditionalize on on operands 0 and 1 having the same
6884         register class.
6885
6886 2005-03-03  Alan Modra  <amodra@bigpond.net.au>
6887
6888         PR target/20277
6889         * config/rs6000/rs6000.c (rs6000_override_options): Don't allow
6890         -mcpu to override any other explicitly given flags.
6891
6892 2005-03-02  J"orn Rennecke <joern.rennecke@st.com>
6893
6894         * recog.c (verify_changes, confirm_change_group): New functions,
6895         broken out of apply_change_group.
6896         (apply_change_group): Use them.
6897         * recog.h (verify_change, confirm_change_group): Declare.
6898         * rtl.h (redirect_jump_2): Declare.
6899         * jump.c (redirect_exp, invert_exp): Delete.
6900         (invert_exp_1): Take second parameter.  Return value.  Changed caller.
6901         (redirect_jump_2): New function, broken out of redirect_jump.
6902         (redirect_jump): Use redirect_jump_1 and redirect_jump_2.
6903         (invert_jump): Use invert_jump_1 and redirect_jump_2.
6904         * ifcvt.c (dead_or_predicable): Use redirect_jump_2.
6905
6906 2005-03-02  Geoffrey Keating  <geoffk@apple.com>
6907
6908         * varasm.c (named_section): Use xstrdup rather than doing it by
6909         hand.
6910
6911         * config/darwin8.h (LIB_SPEC): Switch -lmx and -lSystem.
6912
6913 2005-03-02  Devang Patel  <dpatel@apple.com>
6914
6915         Undo PR tree-optimization/18815 fix.
6916
6917 2005-03-02  Devang Patel  <dpatel@apple.com>
6918
6919         PR tree-optimization/18815
6920         * tree-if-conv.c (combine_blocks): Adjust loop header edges for
6921         loops with zero exit edges.
6922
6923 2005-03-02  Kazu Hirata  <kazu@cs.umass.edu>
6924
6925         * cfg.c (connect_src, connect_dest, disconnect_src,
6926         disconnct_dest): New.
6927         (unchecked_make_edge, remove_edge, redirect_edge_succ,
6928         redirect_edge_pred): Use the new functions.
6929
6930         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Call
6931         free_dominance_info only when needed.
6932
6933 2005-03-02  David Edelsohn  <edelsohn@gnu.org>
6934
6935         PR target/20276
6936         * config/rs6000/predicates.md (reg_or_cint64_operand): Fix typo.
6937         (reg_or_sub_cint64_operand): Same.
6938
6939 2005-03-02  Jeff Law  <law@redhat.com>
6940
6941         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Fix setting of
6942         CFG_ALTERED in the main DOM iteration loop.
6943
6944 2005-03-02  Mark Mitchell  <mark@codesourcery.com>
6945
6946         PR c++/19916
6947         * varasm.c (initializer_constant_valid_p): Allow conversions
6948         between OFFSET_TYPEs.  Tidy.
6949
6950 2005-03-02  Hans-Peter Nilsson  <hp@axis.com>
6951
6952         * config/cris/cris.md ("return"): Remove epilogue delay list
6953         sanity check.
6954
6955 2005-03-02  Daniel Jacobowitz  <dan@codesourcery.com>
6956
6957         * config/arm/linux-elf.h (ARM_FUNCTION_PROFILER): Do not use (PLT)
6958         for Thumb.
6959         * config/arm/netbsd-elf.h (ARM_FUNCTION_PROFILER): Likewise.
6960
6961 2005-03-02  Kazu Hirata  <kazu@cs.umass.edu>
6962
6963         * cfgloop.h, cfgloopanal.c, cfgloopmanip.c, conflict.c,
6964         loop-init.c, loop-unroll.c, print-tree.c, reg-notes.def,
6965         config/m68k/m68k.c, config/mips/mips.h,
6966         config/rs6000/rs6000-protos.h, doc/contrib.texi,
6967         doc/include/gcc-common.texi: Update copyright.
6968
6969         PR middle-end/18029 and PR middle-end/18030
6970         * expr.c (optimize_bitfield_assignment_op): Add a special case
6971         to handle BIT_IOR_EXPR and BIT_XOR_EXPR.
6972
6973         * fold-const.c (fold_unary): New.
6974         (fold): Call fold_unary on unary expressions.
6975
6976 2005-03-02  Richard Guenther  <rguenth@gcc.gnu.org>
6977
6978         * cgraph.h (struct cgraph_edge): Add prev_caller and
6979         prev_callee fields.
6980         (cgraph_node_remove_callees): Export.
6981         * cgraph.c (cgraph_create_edge): Initialize prev_caller
6982         and prev_callee.
6983         (cgraph_edge_remove_callee): New function.
6984         (cgraph_edge_remove_caller): Likewise.
6985         (cgraph_remove_edge): Use.
6986         (cgraph_redirect_edge_callee): Likewise.
6987         (cgraph_node_remove_callees): New function.
6988         (cgraph_node_remove_callers): Likewise.
6989         (cgraph_remove_node): Use.
6990         * tree-optimize.c (tree_rest_of_compilation): Use
6991         cgraph_node_remove_callees instead of manual loop.
6992         * cgraphunit.c (cgraph_finalize_function): Likewise.
6993         (cgraph_expand_function): Likewise.
6994         (cgraph_remove_unreachable_nodes): Likewise.
6995
6996 2005-03-02  Joseph S. Myers  <joseph@codesourcery.com>
6997
6998         PR c/8927
6999         * c-tree.h (undeclared_variable, build_external_ref): Add extra
7000         argument.
7001         * c-decl.c (undeclared_variable): Take location as argument.
7002         * c-typeck.c (build_external_ref): Likewise.
7003         * c-parser.c (c_parser_postfix_expression): Pass location of
7004         identifier to build_external_ref.
7005
7006 2005-03-01  David Edelsohn  <edelsohn@gnu.org>
7007
7008         * config/rs6000/rs6000.md (cceq splitter): Use operand mode, not
7009         CCEQ mode for branch_positive_comparison_operator test.
7010         * config/rs6000/predicates (branch_comparison_operator): Revert to
7011         define_predicate.
7012         (scc_comparison_operator): Same.
7013         (branch_positive_comparison_operator): Same.
7014
7015 2005-03-01  Hans-Peter Nilsson  <hp@axis.com>
7016
7017         * config/cris/cris.c (cris_eligible_for_epilogue_delay)
7018         (cris_delay_slots_for_epilogue): Remove.
7019         (save_last): Move into cris_target_asm_function_epilogue.
7020         (cris_target_asm_function_epilogue): Remove tests for file being
7021         NULL.
7022         * config/cris/cris-protos.h (cris_eligible_for_epilogue_delay)
7023         (cris_delay_slots_for_epilogue): Remove prototypes.
7024         * config/cris/cris.h (DELAY_SLOTS_FOR_EPILOGUE)
7025         (ELIGIBLE_FOR_EPILOGUE_DELAY): Do not define.
7026
7027 2005-03-01  David Edelsohn  <edelsohn@gnu.org>
7028
7029         * config/rs6000/predicates.md (branch_comparison_operator): Change
7030         to define_special_predicate.
7031         (scc_comparison_operator): Same.
7032         (branch_positive_comparison_operator): Same.
7033
7034 2005-03-01  Daniel Berlin <dberlin@dberlin.org>
7035
7036         * Makefile.in (tree-ssa-sink.o): New.
7037         (OBJS-common): Add tree-ssa-sink.o.
7038         * common.opt: Add -ftree-sink
7039         * opts.c (decode_options): flag_tree_sink is set at O1 or higher.
7040         * timevar.def (TV_TREE_SINK): new timevar.
7041         * tree-flow.h (is_hidden_global_store): Prototype.
7042         * tree-optimize.c (init_tree_optimization_passes): Add
7043         pass_sink_code.
7044         * tree-pass.h (pass_sink_code): New.
7045         * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Move checking
7046         for non-obvious global store store to is_hidden_global_store, and
7047         call that new function.
7048         * tree-ssa-sink.c: New file.
7049         * doc/invoke.texi: Document -fdump-tree-sink and -ftree-sink.
7050         * doc/passes.texi: Document forward store motion.
7051         * testsuite/gcc.dg/tree-ssa/ssa-sink-1.c: New test
7052         * testsuite/gcc.dg/tree-ssa/ssa-sink-2.c: New test
7053         * testsuite/gcc.dg/tree-ssa/ssa-sink-3.c: New test
7054         * testsuite/gcc.dg/tree-ssa/ssa-sink-4.c: New test
7055
7056 2005-03-01  Per Bothner  <per@bothner.com>
7057
7058         * diagnostic.c (diagnostic_build_prefix): If USE_MAPPED_LOCATION
7059         and we have a non-zero column-number, add it to the message.
7060         Also factor out the diagnostic_kind_text.
7061
7062 2005-03-01  Zdenek Dvorak  <dvorakz@suse.cz>
7063
7064         * cfgloop.c (flow_loop_entry_edges_find, flow_loop_exit_edges_find,
7065         flow_loop_pre_header_scan, flow_loop_pre_header_find,
7066         flow_loop_scan): Removed.
7067         (flow_loop_dump): Do not dump removed fields.
7068         (flow_loop_free): Do not free removed fields.
7069         (flow_loops_find): Flags argument removed.  Do not call flow_loop_scan.
7070         (loop_exit_edge_p): New function.
7071         * cfgloop.h (struct loop): Removed fields pre_header, pre_header_edges,
7072         num_pre_header_edges, entry_edges, num_entries, exit_edges,
7073         num_exits, exits_doms.
7074         (LOOP_TREE, LOOP_PRE_HEADER, LOOP_ENTRY_EDGES, LOOP_EXIT_EDGES,
7075         LOOP_EDGES, LOOP_ALL): Removed.
7076         (flow_loop_scan): Declaration removed.
7077         (loop_exit_edge_p, mark_loop_exit_edges): Declare.
7078         * cfgloopmanip.c (create_loop_notes): Do not pass flags to
7079         flow_loops_find.
7080         * ifcvt.c (mark_loop_exit_edges): Moved to cfgloopanal.c.
7081         (if_convert): Call flow_loops_find and flow_loops_free
7082         when calling mark_loop_exit_edges.
7083         * cfgloopanal.c (mark_loop_exit_edges): Moved from
7084         ifcvt.c.  Removed the flow_loops_find, flow_loops_free and
7085         free_dominance_info calls.
7086         * loop-init.c (flow_loops_find): Ditto.
7087         * passes.c (rest_of_handle_branch_prob): Ditto.
7088         * lambda-code.c (perfect_nestify): Do not call flow_loops_find.
7089         * loop-unroll.c (analyze_insns_in_loop): Do not use
7090         EDGE_LOOP_EXIT.
7091         * predict.c (predict_loops): Do not call flow_loop_scan.
7092         Use get_loop_exit_edges.
7093         (tree_estimate_probability): Do not pass flags to flow_loops_find.
7094         * tree-if-conv.c (bb_with_exit_edge_p): Take loop as argument.
7095         Do not use EDGE_LOOP_EXIT.
7096         (tree_if_convert_cond_expr, if_convertible_modify_expr_p): Pass loop
7097         to bb_with_exit_edge_p.
7098         (if_convertible_loop_p): Do not call flow_loop_scan.  Use
7099         loop->single_exit.  Do not use EDGE_LOOP_EXIT.  Pass loop
7100         to bb_with_exit_edge_p.
7101         (combine_blocks): Pass loop to bb_with_exit_edge_p.  Do not use
7102         EDGE_LOOP_EXIT.
7103         * tree-loop-linear.c (linear_transform_loops): Do not call
7104         flow_loop_scan.  Use loop->single_exit.
7105         * tree-vect-analyze.c (vect_analyze_operations): Use loop->single_exit.
7106         (vect_analyze_loop_form): Do not call flow_loop_scan.
7107         * tree-vect-transform.c (vect_update_ivs_after_vectorizer): Use
7108         loop->single_exit.
7109         (vect_do_peeling_for_loop_bound): Use loop_preheader_edge and
7110         loop->single_exit.
7111         * tree-vectorizer.c (slpeel_update_phis_for_duplicate_loop,
7112         slpeel_make_loop_iterate_ntimes, slpeel_can_duplicate_loop_p,
7113         slpeel_tree_duplicate_loop_to_edge_cfg,
7114         slpeel_verify_cfg_after_peeling, slpeel_tree_peel_loop_to_edge):
7115         Use loop_preheader_edge and loop->single_exit.  Do not call
7116         flow_loop_scan.
7117
7118 2005-03-01  Nick Clifton  <nickc@redhat.com>
7119
7120         * config/arm/arm.c (thumb_find_work_register): Check all of the
7121         argument registers to see if they are free, and a couple of
7122         special cases where the last argument register but can be proved
7123         to be available during the function's prologue.
7124         (print_multi_reg, arm_compute_save_reg0_reg12_mask,
7125         output_return_instruction, emit_multi_reg_push, thumb_pushpop,
7126         thumb_unexpanded_epilogue): Use unsigned long as the type for the
7127         register bit-mask.
7128         (thumb_compute_save_reg_mask): Likewise.  Also use
7129         thumb_find_work_register() to ensure that there is agreement about
7130         which work register is going to be used in the prologue.
7131         (thumb_output_function_prologue): Use unsigned long as the type
7132         for the register bit-mask.  Also delay pushing the link register if
7133         other high registers are going to be pushed.
7134         (thumb_compute_save_reg_mask, emit_multi_reg_push,
7135         print_multi-reg, number_of_first_bit_set, thumb_pushpop): Remove
7136         redundant prototypes.
7137
7138 2005-02-28  John David Anglin  <dave.anglin#nrc-cnrc.gc.ca>
7139
7140         PR target/19819
7141         * pa.h (GO_IF_LEGITIMATE_ADDRESS): Allow allow hard registers during
7142         and after reload in REG+REG indexed addresses without REG_POINTER
7143         set in the base and not set in the index.
7144
7145 2005-02-28  Kaz Kojima  <kkojima@gcc.gnu.org>
7146
7147         * config/sh/linux.h (MD_EXEC_PREFIX, MD_STARTFILE_PREFIX):
7148         Don't undefine here.
7149         (HANDLE_PRAGMA_PACK_PUSH_POP): Delete.
7150         (NO_IMPLICIT_EXTERN_C, CPLUSPLUS_CPP_SPEC): Likewise.
7151         (TARGET_OS_CPP_BUILTINS): Use LINUX_TARGET_OS_CPP_BUILTINS.
7152         (LIB_SPEC, LINK_EH_SPEC, STARTFILE_SPEC, ENDFILE_SPEC,
7153         LINK_GCC_C_SEQUENCE_SPEC, USE_LD_AS_NEEDED, TARGET_C99_FUNCTIONS):
7154         Delete.
7155         * config.gcc (sh*-*-linux*): Use config/linux.h.
7156
7157 2005-02-28  Dale Johannesen  <dalej@apple.com>
7158             Stan Shebs  <shebs@apple.com>
7159
7160         Rewrite of 64-bit Darwin structure-by-value pass/return.
7161         * config/rs6000/rs6000.h (CUMULATIVE_ARGS): New fields
7162         intoffset, use_stack, named.
7163         * config/rs6000/rs6000.c (rs6000_darwin64_function_arg):  Remove.
7164         (rs6000_darwin64_record_arg_advance_flush):  New.
7165         (rs6000_darwin64_record_arg_advance_recurse): New.
7166         (rs6000_darwin64_record_arg_flush):  New.
7167         (rs6000_darwin64_record_arg_recurse):  New.
7168         (rs6000_darwin64_record_arg):  New.
7169         (rs6000_return_in_memory):  Remove AGGREGATE_TYPE_P check.
7170         (function_arg_boundary):  Handle 128-bit aligned structs.
7171         (function_arg_advance):  Rewrite darwin64 struct handling.
7172         (function_arg):  Call rs6000_darwin64_record_arg.
7173         (function_arg_partial_nregs):  Handle darwin64 structs.
7174         (rs6000_darwin64_function_value):  Remove.
7175         (rs6000_function_value):  Call rs6000_darwin64_record_arg.
7176
7177 2005-02-28  Roger Sayle  <roger@eyesopen.com>
7178
7179         PR tree-optimization/20216
7180         * tree-chrec.c (tree_fold_factorial): Delete.
7181         (tree_fold_binomial): Change argument list to take a return type
7182         and change the type of K to unsigned int.  Rewrite to avoid explicit
7183         evaluation of factorials, and (recursively) calling fold to perform
7184         compile-time arithmetic.  Return NULL on (internal) overflow.
7185         (chrec_evaluate): Change type of K to an unsigned int.  Avoid
7186         calling tree_fold_binomial unnecessarily.  Return chrec_dont_know
7187         if any intermediate calculation overflows.
7188         (chrec_apply): Update call to chrec_evaluate.
7189
7190 2005-02-28  James E Wilson  <wilson@specifixinc.com>
7191
7192         * config/mips/mips.h (NO_PROFILE_COUNTERS): Define.
7193
7194 2005-02-28  Joseph S. Myers  <joseph@codesourcery.com>
7195
7196         PR c/20245
7197         * c-parser.c (c_parser_compound_statement): Return error_mark_node
7198         instead of NULL_TREE on error.
7199
7200 2005-02-28  David Edelsohn  <edelsohn@gnu.org>
7201
7202         * config/rs6000/rs6000.c (EASY_VECTOR_15): Remove.
7203         (EASY_VECTOR_15_ADD_SELF): Remove.
7204         (num_insns_constant_wide): Not static.
7205         (validate_condition_mode): Not static.
7206         (toc_relative_expr_p): Not static.
7207         (legitimate_indirect_address_p): Not static.
7208         (macho_lo_sum_memory_operand): Not static.
7209         (invalid_e500_subreg): Not static.
7210         (easy_vector_same): Not static.
7211         (easy_vector_splat_const): Not static.
7212         (RS6000_SYMBOL_REF_TLS_P): Remove.
7213         (any_operand): Delete.
7214         (any_parallel_operand): Delete.
7215         (count_register_operand): Delete.
7216         (altivec_register_operand): Delete.
7217         (xer_operand): Delete.
7218         (s8bit_cint_operand): Delete.
7219         (short_cint_operand): Delete.
7220         (u_short_cint_operand): Delete.
7221         (non_short_cint_operand): Delete.
7222         (exact_log2_cint_operand): Delete.
7223         (gpc_reg_operand): Delete.
7224         (cc_reg_operand): Delete.
7225         (cc_reg_not_cr0_operand): Delete.
7226         (reg_or_short_operand): Delete.
7227         (reg_or_neg_short_operand): Delete.
7228         (reg_or_aligned_short_operand): Delete.
7229         (reg_or_u_short_operand): Delete.
7230         (reg_or_cint_operand): Delete.
7231         (reg_or_arith_cint_operand): Delete.
7232         (reg_or_add_cint64_operand): Delete.
7233         (reg_or_sub_cint64_operand): Delete.
7234         (reg_or_logical_cint_operand): Delete.
7235         (got_operand): Delete.
7236         (got_no_const_operand): Delete.
7237         (easy_fp_constant): Delete.
7238         (easy_vector_constant): Delete.
7239         (easy_vector_constant_add_self): Delete.
7240         (zero_constant): Delete.
7241         (zero_fp_constant): Delete.
7242         (volatile_mem_operand): Delete.
7243         (offsettable_mem_operand): Delete.
7244         (mem_or_easy_const_operand): Delete.
7245         (add_operand): Delete.
7246         (non_add_cint_operand): Delete.
7247         (logical_operand): Delete.
7248         (non_logical_cint_operand): Delete.
7249         (mask_operand): Delete.
7250         (mask_operand_wrap): Delete.
7251         (mask64_operand): Delete.
7252         (mask64_2_operand): Delete.
7253         (and64_operand): Delete.
7254         (and64_2_operand): Delete.
7255         (and_operand): Delete.
7256         (reg_or_mem_operand): Delete.
7257         (lwa_operand): Delete.
7258         (symbol_ref_operand): Delete.
7259         (call_operand): Delete.
7260         (current_file_function_operand): Delete.
7261         (input_operand): Delete.
7262         (rs6000_nonimmediate_operand): Delete.
7263         (rs6000_tls_symbol_ref): Delete.
7264         (save_world_operation): Delete.
7265         (restore_world_operation): Delete.
7266         (load_multiple_operation): Delete.
7267         (store_multiple_operation): Delete.
7268         (vrsave_operation): Delete.
7269         (mfcr_operation): Delete.
7270         (mtcrf_operation): Delete.
7271         (lmw_operation): Delete.
7272         (stmw_operation): Delete.
7273         (branch_comparison_operator): Delete.
7274         (branch_positive_comparison_operator): Delete.
7275         (scc_comparison_operator): Delete.
7276         (trap_comparison_operator): Delete.
7277         (boolean_operator): Delete.
7278         (boolean_or_operator): Delete.
7279         (min_max_operator): Delete.
7280         * config/rs6000/rs6000.h (RS6000_SYMBOL_REF_TLS_P): Move to here.
7281         (EASY_VECTOR_15): Moved to here.
7282         (EASY_VECTOR_15_ADD_SELF): Move to here.
7283         (PREDICATE_CODES): Delete.
7284         * config/rs6000/rs6000-protos.h: Delete predicate functions.
7285         Declare functions no longer static.
7286         * config/rs6000/predicates.md: New.
7287         * config/rs6000/rs6000.md: Include predicates.md
7288
7289 2005-02-28  Kazu Hirata  <kazu@cs.umass.edu>
7290
7291         * calls.c (emit_call_1): Don't use  REG_ALWAYS_RETURN.
7292         (emit_library_call_value_1): Don't use LCT_ALWAYS_RETURN and
7293         REG_ALWAYS_RETURN.
7294         * cfgrtl.c (need_fake_edge_p): Likewise.
7295         * combine.c (distribute_notes): Likewise.
7296         * emit-rtl.c (try_split): Likewise.
7297         * recog.c (peephole2_opimize): Likewise.
7298         * reg-notes.def (ALWAYS_RETURN): Remove.
7299         * rtl.h (LCT_ALWAYS_RETURN): Remove.
7300         * tree-cfg.c (need_fake_edge_p): Don't use ECF_ALWAYS_RETURN.
7301         * tree.h (ECF_ALWAYS_RETURN): Remove.
7302
7303 2005-02-28  Roger Sayle  <roger@eyesopen.com>
7304
7305         PR middle-end/19874
7306         * tree-ssa.c (tree_ssa_useless_type_conversion_1): A conversion
7307         between different machine modes is never a "useless" conversion.
7308
7309 2005-02-28  Geert Bosch  <bosch@gnat.com>
7310
7311         PR ada/15977
7312         * doc/contrib.texi: List contributors for Ada front end
7313
7314 2005-02-28 Paolo Bonzini <bonzini@gnu.org>
7315
7316         * simplify-rtx.c (simplify_unary_operation_1,
7317         simplify_const_unary_operation): New, extracted from...
7318         (simplify_unary_operation): ... this one.
7319         (simplify_binary_operation_1,
7320         simplify_const_binary_operation): New, extracted from...
7321         (simplify_binary_operation): ... this one.
7322         * rtl.h (simplify_const_unary_operation,
7323         simplify_const_binary_operation): Add prototypes.
7324
7325 2005-02-28  Julian Brown  <julian@codesourcery.com>
7326
7327         * config/elfos.h: Revert my patch from 2005-02-25 since it broke
7328         building libjava and caused PR regression/20228.
7329
7330 2005-02-28  Paolo Bonzini  <bonzini@gnu.org>
7331
7332         PR bootstrap/17383
7333         * Makefile.in (host_subdir): New.
7334         (build_objdir): New.  Replace ../$(build_subdir) with it throughout.
7335         * configure: Regenerate.
7336
7337 2005-02-27  Zack Weinberg  <zack@codesourcery.com>
7338
7339         * config/alpha/t-osf4, config/arm/t-netbsd, config/ia64/t-hpux
7340         * config/pa/t-hpux-shlib (SHLIB_INSTALL): Create the
7341         installation directory first.
7342
7343 2005-02-28  Hans-Peter Nilsson  <hp@axis.com>
7344
7345         PR target/19065.
7346         * config/cris/cris.h (EXTRA_CONSTRAINT_Q): Accept only (mem (reg)),
7347         not including (reg). Do not check for reg being CRIS_PC_REGNUM.
7348         (EXTRA_MEMORY_CONSTRAINT): Define as 'Q'.
7349         * config/cris/cris.md: Tweak comments referring to Q.
7350         ("cmpsi", "cmphi", "cmpqi", "*movsi_internal", "movhi")
7351         ("movstricthi", "movqi", "movstrictqi", "movsf", "addsi3")
7352         ("addhi3", "addqi3", "subsi3", "subhi3", "subqi3")
7353         ("*expanded_andsi", "*expanded_andhi", "*andhi_lowpart", "andqi3")
7354         ("*andqi_lowpart", "iorsi3", "iorhi3", "iorqi3", "uminsi3"):
7355         Insert spaces in constraints to align alternatives vertically for
7356         readability.
7357         ("cmphi"): Ditto.  Add separate alternative for operand 0 "r",
7358         operand 1: "M".
7359
7360 2005-02-27  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
7361
7362         PR rtl-optimization/17728
7363         * pa.md (mulsi3, divsi3, udivsi3, modsi3): Change predicate for
7364         operand 0 from general_operand to move_dest_operand.
7365
7366 2005-02-26  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
7367
7368         * pa/elf.h, pa/som.h (ASM_OUTPUT_EXTERNAL): Use assemble_name_raw
7369         instead of trying to save and restore TREE_SYMBOL_REFERENCED.
7370         * pa/pa64-hpux.h (ASM_OUTPUT_TYPE_DIRECTIVE): Define.
7371         (ASM_OUTPUT_EXTERNAL): Don't save and restore TREE_SYMBOL_REFERENCED.
7372
7373 2005-02-26  Nathanael Nerode  <neroden@gcc.gnu.org>
7374
7375         * configure.ac: Rename cc_for_cross_gnattools to host_cc_for_libada.
7376         * configure: Regenerate.
7377         * libada-mk.in: Remove CC; rename
7378         cc_for_cross_gnattools / cc_set_by_configure to host_cc_for_libada.
7379
7380 2005-02-26  Andrew Pinski  <pinskia@physics.uc.edu>
7381
7382         PR tree-opt/20188
7383         * tree-ssa-alias.c (count_uses_and_derefs): If we have TREE_LIST
7384         for the lhs, also walk over the tree.  Likewise for rhs.
7385
7386 2005-02-26  Zdenek Dvorak  <dvorakz@suse.cz>
7387
7388         * tree-ssa-dom.c (simple_iv_increment_p): New function.
7389         (simplify_rhs_and_lookup_avail_expr, eliminate_redundant_computations):
7390         Do not propagate value of iv before increment over the increment.
7391
7392 2005-02-25  Joseph S. Myers  <joseph@codesourcery.com>
7393
7394         * c-parser.c: New file.
7395         * c-parse.in: Remove.
7396         * Makefile.in (c-parse.o-warn, c-parse.o, c-parse.c, c-parse.y):
7397         Remove.
7398         (c-parser.o): Add dependencies.
7399         (C_AND_OBJC_OBJC, C_OBJS, gcc.srcextra, GTFILES, distclean,
7400         maintainer-clean, TAGS): Update.
7401         * c-config-lang.in (gtfiles): Update.
7402         * gengtype-lex.l: Don't handle "@@".
7403         * stub-objc.c (objc_get_class_ivars, objc_build_throw_stmt,
7404         objc_build_synchronized, objc_begin_try_stmt,
7405         objc_begin_catch_clause, objc_finish_catch_clause,
7406         objc_build_finally_clause, objc_finish_try_stmt): New.
7407         * c-tree.h (struct c_declspecs): Add declspecs_seen_p and
7408         type_seen_p.
7409         (c_parse_init): Update comment.
7410         * c-decl.c (c_init_decl_processing): Update comment.
7411         (build_null_declspecs, declspecs_add_qual, declspecs_add_type,
7412         declspecs_add_scspec, declspecs_add_attrs): Initialize and update
7413         new c_declspecs members.
7414
7415 2005-02-25  Julian Brown  <julian@codesourcery.com>
7416
7417         * config/elfos.h (MAKE_DECL_ONE_ONLY): Redefined to stop DECL_WEAK
7418         from being used for symbols with vague linkage when
7419         HAVE_GAS_COMDAT_GROUP is true.
7420
7421 2005-02-25  Mark Mitchell  <mark@codesourcery.com>
7422
7423         * doc/include/gcc-common.texi (version-GCC): Update to 4.1.
7424
7425 2005-02-25  Steve Ellcey  <sje@cup.hp.com>
7426
7427         PR target/19930
7428         * doc/tm.texi (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Document.
7429         (LIBGCC2_HAS_DF_MODE): New.
7430         (LIBGCC2_HAS_XF_MODE): New.
7431         (LIBGCC2_HAS_TF_MODE): New.
7432         * libgcc2.h (LIBGCC2_HAS_XF_MODE): New name for HAVE_XFMODE.
7433         (LIBGCC2_HAS_TF_MODE): New name for HAVE_TFMODE.
7434         * libgcc2.c (LIBGCC2_HAS_XF_MODE): New name for HAVE_XFMODE.
7435         (LIBGCC2_HAS_TF_MODE): New name for HAVE_TFMODE.
7436         (LIBGCC2_HAS_DF_MODE): New name for HAVE_DFMODE.
7437         * config/ia64/t-ia64 (LIB1ASMFUNCS): Remove __compat
7438         and add _fixtfdi, _fixunstfdi, _floatditf
7439         * lib1funcs.asm: Remove L__compat. Add L_fixtfdi,
7440         L_fixunstfdi, L_floatditf.
7441         * config/ia64/hpux.h (LIBGCC2_HAS_XF_MODE): Define.
7442         (LIBGCC2_HAS_TF_MODE): Define.
7443
7444 2005-02-25  Diego Novillo  <dnovillo@redhat.com>
7445
7446         PR tree-optimization/20204
7447         * tree-into-ssa.c (insert_phi_nodes_for): Do not use
7448         REWRITE_THIS_STMT markers on PHI nodes.
7449         (rewrite_initialize_block): Likewise.
7450
7451 2005-02-25  Mark Mitchell  <mark@codesourcery.com>
7452
7453         * version.c (version_string): Update to 4.1.
7454
7455 2005-02-25  Paolo Carlini  <pcarlini@suse.de>
7456
7457         * doc/extend.texi (5.24 Declaring Attributes of Functions)<noreturn>:
7458         Clarify that the alternative way doesn't work in GNU C++.
7459
7460 2005-02-25  Zdenek Dvorak  <dvorakz@suse.cz>
7461
7462         PR tree-optimization/19937
7463         * tree-ssa-loop-ivopts.c (rewrite_use_compare): Cast the final value
7464         to the type of the induction variable.
7465
7466 2005-02-25  Kaz Kojima  <kkojima@gcc.gnu.org>
7467
7468         PR rtl-optimization/20117
7469         * bb-reorder.c (duplicate_computed_gotos): Don't duplicate
7470         the block including noncopyable insn.
7471
7472 2005-02-24  Kazu Hirata  <kazu@cs.umass.edu>
7473
7474         * cse.c (delete_trivially_dead_insns): Speed up by minimizing
7475         calls to find_reg_note.
7476
7477 2005-02-24  Richard Henderson  <rth@redhat.com>
7478
7479         PR tree-opt/20127
7480         * tree-sra.c (instantiate_element): Copy TREE_THIS_VOLATILE from
7481         the type.
7482
7483 2005-02-24  Fariborz Jahanian <fjahanian@apple.com>
7484
7485         * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Check for
7486         vector types if to use base reg for misaligned non-word ld/std.
7487
7488 2005-02-24  Hans-Peter Nilsson  <hp@axis.com>
7489
7490         PR target/14619
7491         * config/cris/cris.c (cris_target_asm_function_prologue): Create
7492         dwarf2 label manually and put it after, not before the prologue.
7493
7494 2005-02-24  David Edelsohn  <edelsohn@gnu.org>
7495
7496         PR target/19019
7497         * reload.c (operands_match_p): Only increment register number for
7498         SCALAR_INT_MODE_P modes in multiple hard registers.
7499
7500         * config/rs6000/rs6000.md (trunctfdf2): Remove register constraints.
7501         Fix formatting.
7502
7503 2005-02-24  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
7504
7505         * ChangeLog.5: Fix log message typo(s).
7506         * ChangeLog.7: Likewise.
7507         * ChangeLog.tree-ssa: Likewise.
7508         * cfgexpand.c: Fix comment typo(s).
7509         * conflict.c: Likewise.
7510         * defaults.h: Likewise.
7511         * dwarf2out.c: Likewise.
7512         * gcse.c: Likewise.
7513         * ggc-page.c: Likewise.
7514         * tree-eh.c: Likewise.
7515         * tree-ssa-dom.c: Likewise.
7516
7517 2005-02-24  Jakub Jelinek  <jakub@redhat.com>
7518
7519         PR target/19019
7520         * mklibgcc.in: Pass -DSHARED when compiling all *_s${objext} objects.
7521         * config/rs6000/darwin-ldouble.c: Only use the .symver directives
7522         if SHARED is defined.
7523
7524         PR target/20196
7525         * config/rs6000/rs6000.md (LTU, GTU sCC splitters): Add earlyclobber,
7526         allow splitting only if operands 0 and 3 don't overlap.
7527
7528 2005-02-24  Richard Henderson  <rth@redhat.com>
7529
7530         PR middle-end/19953
7531         * builtins.c (fold_builtin_complex_mul, fold_builtin_complex_div): New.
7532         (fold_builtin_1): Call them.
7533         * fold-const.c (fold_complex_mult_parts): Split out from ...
7534         (fold_complex_mult): ... here.  Fix typo in both imaginary case.
7535         (fold_complex_div_parts, fold_complex_div): New.
7536         (fold): Use them.
7537         * tree.h (fold_complex_mult_parts, fold_complex_div_parts): Declare.
7538
7539 2005-02-24  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
7540
7541         * tree-ssa-ccp.c (visit_assignment): Verify that result of
7542         VIEW_CONVERT_EXPR is_gimple_min_invariant.
7543
7544         * print-tree.c (print_node_brief): Print LABEL_DECL_UID.
7545         (print_node): Likewise.
7546         Print TYPE_SIZES_GIMPLIFIED.
7547
7548 2005-02-24  Hans-Peter Nilsson  <hp@axis.com>
7549
7550         * config/cris/cris.md ("umulhisi3", "umulqihi3", "mulsi3")
7551         ("mulqihi3", "mulhisi3", "mulsidi3", "umulsidi3"): Mark input
7552         operands as commutative in constraints.
7553
7554 2005-02-24  Diego Novillo  <dnovillo@redhat.com>
7555
7556         * tree-into-ssa.c: Re-organize internal functions.
7557
7558 2005-02-24  Richard Henderson  <rth@redhat.com>
7559
7560         PR middle-end/18902
7561         * c-opts.c (c_common_post_options): Set flag_complex_method to 2
7562         for c99.
7563         * common.opt (fcx-limited-range): New.
7564         * opts.c (set_fast_math_flags): Set flag_cx_limited_range.
7565         * toplev.c (flag_complex_method): Initialize to 1.
7566         (process_options): Set flag_complex_method to 0 if
7567         flag_cx_limited_range.
7568         * doc/invoke.texi (-fcx-limited-range): New.
7569
7570 2005-02-24  Kazu Hirata  <kazu@cs.umass.edu>
7571
7572         * cse.c (delete_trivially_dead_insns): Speed up by using
7573         NEXT_INSN and PREV_INSN directly instead of next_real_insn and
7574         prev_real_insn.
7575
7576 2005-02-24  Andrea Tarani  <andrea.tarani@gilbarco.com>
7577
7578         * config/m68k/m68k.c (m68k_save_reg): Also save A5 for non-leaf
7579         functions when -mid-shared-library is being used.
7580
7581 2005-02-23  Daniel Jacobowitz  <dan@codesourcery.com>
7582
7583         * doc/tm.texi (LINK_LIBGCC_SPECIAL): Remove.
7584         (LINK_LIBGCC_SPECIAL_1): Don't mention it.
7585         * gcc.c: Don't check for LINK_LIBGCC_SPECIAL.
7586         * system.h: Poison LINK_LIBGCC_SPECIAL.
7587
7588 2005-02-23  James E Wilson  <wilson@specifixinc.com>
7589
7590         * gengtype.c (note_insn_name): Make 1 element larger.
7591
7592 2005-02-23  Roger Sayle  <roger@eyesopen.com>
7593
7594         PR target/20018
7595         PR rtl-optimization/20097
7596         * simplify-rtx.c (simplify_relational_operation_1): Avoid creating
7597         BImode SUBREGs of SImode registers which confuse the ia64 backend.
7598
7599 2005-02-23  David Edelsohn  <edelsohn@gnu.org>
7600
7601         * t-aix43 (SHLIB_INSTALL): Create directory for shared library.
7602         * t-aix52 (SHLIB_INSTALL): Same.
7603
7604 2005-02-23  Kazu Hirata  <kazu@cs.umass.edu>
7605
7606         * genpreds.c: Update copyright.
7607
7608 2005-02-23  Michael Beach  <michaelb@ieee.org>
7609
7610         PR target/20159
7611         * config/sparc/t-elf (startup files): Assemble with CPP.
7612
7613 2005-02-23  Paolo Bonzini  <bonzini@gnu.org>
7614
7615         * genpreds.c (mark_mode_tests): Handle non-VOIDmode match_operands.
7616         (write_predicate_expr): Likewise.
7617
7618 2005-02-22  Diego Novillo  <dnovillo@redhat.com>
7619
7620         PR tree-optimization/20100
7621         PR tree-optimization/20115
7622         * tree-optimize.c (init_tree_optimization_passes): Remove
7623         pass_maybe_create_global_var.
7624         * tree-pass.h (pass_maybe_create_global_var): Remove.
7625         * tree-ssa-alias.c (aliases_computed_p): Declare.
7626         (struct alias_info): Add field NUM_PURE_CONST_CALLS_FOUND.
7627         (count_calls_and_maybe_create_global_var): Remove.
7628         (pass_maybe_create_global_var): Remove.
7629         (init_alias_info): Do not declare aliases_computed_p.
7630         (maybe_create_global_var): If the function contains no
7631         call-clobbered variables and a mix of pure/const and regular
7632         function calls, create .GLOBAL_VAR.
7633         Mark all call-clobbered variables for renaming.
7634         (merge_pointed_to_info): Update comment.
7635         (add_pointed_to_var): Likewise.
7636         (is_escape_site): Likewise.
7637         Accept struct alias_info * instead of size_t *.
7638         Update all users.
7639         Update AI->NUM_CALLS_FOUND and AI->NUM_PURE_CONST_CALLS_FOUND
7640         as necessary.
7641         * tree-ssa-operands.c (get_call_expr_operands): If
7642         ALIASES_COMPUTED_P is false, do not add call-clobbering
7643         operands.
7644         * tree-ssa.c (init_tree_ssa): Set ALIASES_COMPUTED_P to false.
7645         (delete_tree_ssa): Likewise.
7646
7647 2005-02-22  James E Wilson  <wilson@specifixinc.com>
7648
7649         * toplev.c (backend_init): Don't call init_adjust_machine_modes here.
7650         (do_compile): Do call it here.
7651
7652 2005-02-22  Kazu Hirata  <kazu@cs.umass.edu>
7653
7654         PR rtl-optimization/20017.
7655         * passes.c (rest_of_handle_combine, rest_of_handle_cse,
7656         rest_of_handle_cse2, rest_of_handle_gcse): Call
7657         delete_dead_jumptables immediately before calling cleanup_cfg.
7658
7659 2005-02-22  Devang Patel  <dpatel@apple.com>
7660
7661         PR 19952
7662         * tree-if-conv.c (process_phi_nodes): Use bsi_after_labels and skip
7663         all labels
7664
7665 2005-02-22  David Edelsohn  <edelsohn@gnu.org>
7666
7667         * config/rs6000/aix.h (WINT_TYPE): Define.
7668
7669 2005-02-22  Stan Shebs  <shebs@apple.com>
7670
7671         * config/rs6000/rs6000.c (rs6000_override_options): Default to
7672         natural alignment for 64-bit Darwin.
7673         (rs6000_parse_alignment_option): Warn about uses of -malign-power
7674         on 64-bit Darwin.
7675         * doc/invoke.texi: Document this.
7676
7677 2005-02-22  DJ Delorie  <dj@redhat.com>
7678
7679         * c-common.c (c_common_type_for_mode): Pass the mode's precision
7680         to make_[un]signed_type, not the mode itself.
7681
7682 2005-02-22  Kazu Hirata  <kazu@cs.umass.edu>
7683
7684         * cfg.c (cached_make_edge): Call make_edge if edge cache is
7685         not available.  Use tail calls wherever possible.
7686         (make_edge): Call unchecked_make_edge to create an edge.
7687
7688         * tree-outof-ssa.c (SSANORM_USE_COALESCE_LIST): Remove.
7689         (coalesce_ssa_name): Don't check for
7690         SSANORM_USE_COALESCE_LIST.
7691         (rewrite_out_of_ssa): Don't use SSANORM_USE_COALESCE_LIST.
7692
7693 2005-02-22  Diego Novillo  <dnovillo@redhat.com>
7694
7695         * tree-into-ssa.c (rewrite_blocks): Move debug dumps from ...
7696         (rewrite_into_ssa): ... here.
7697
7698 2005-02-21  Alexandre Oliva  <aoliva@redhat.com>
7699
7700         PR tree-optimization/19786
7701         * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add one
7702         tag to another's may-alias bitmap when adding to the other's list.
7703
7704 2005-02-21  DJ Delorie  <dj@redhat.com>
7705
7706         * tree-ssa-loop-ivopts.c (computation_cost): Start register
7707         numbering at LAST_VIRTUAL_REGISTER+1 to avoid possibly using hard
7708         registers in unsupported ways.
7709         * expmed.c (init_expmed): Likewise.
7710
7711 2005-02-21  Stan Cox  <scox@redhat.com>
7712
7713         * config/iq2000/iq2000.h (DWARF_FRAME_RETURN_COLUMN): Change to 31.
7714
7715 2005-02-21  Kazu Hirata  <kazu@cs.umass.edu>
7716
7717         * tree-cfg.c (fold_cond_expr_cond): New.
7718         (make_edges): Call fold_cond_expr_cond.
7719         (find_taken_edge): Accept nothing but INTEGER_CST.
7720         (find_taken_edge_cond_expr): Reject INTEGER_CST other than 0
7721         and 1.
7722         (find_taken_edge_switch_expr): Remove a check for INTEGER_CST.
7723
7724         * flow.c (delete_dead_jumptables): Speed up by scanning insns
7725         that do not belong to any basic block.
7726
7727 2005-02-21  Jeff Law  <law@redhat.com>
7728
7729         * cfganal.c (find_unreachable_blocks): Manually CSE load of
7730         e->dest.
7731
7732 2005-02-21  Kazu Hirata  <kazu@cs.umass.edu>
7733
7734         * tree-outof-ssa.c (SSANORM_REMOVE_ALL_PHIS): Remove.
7735         (SSANORM_COALESCE_PARTITIONS, SSANORM_USE_COALESCE_LIST):
7736         Adjust their definitions.
7737         (remove_ssa_form): Don't check for SSANORM_REMOVE_ALL_PHIS.
7738         (rewrite_out_of_ssa): Don't use SSANORM_REMOVE_ALL_PHIS.
7739
7740         * c-objc-common.h, c-pretty-print.c, cgraphunit.c, except.c,
7741         genautomata.c, langhooks.c, langhooks.h, system.h,
7742         config/arm/lib1funcs.asm: Update copyright.
7743
7744 2005-02-21  Ulrich Weigand  <uweigand@de.ibm.com>
7745
7746         * dbxout.c (dbxout_function_end): Emit Lscope label always.
7747
7748 2005-02-21  Richard Guenther  <rguenth@gcc.gnu.org>
7749
7750         PR bootstrap/13770
7751         * doc/install.texi: Document --with-gc.
7752
7753 2005-02-21  Paolo Bonzini  <bonzini@gnu.org>
7754
7755         * simplify-rtx.c (simplify_unary_operation): Add a missing
7756         "break" statement.
7757
7758 2005-02-21  Eric Botcazou  <ebotcazou@libertysurf.fr>
7759
7760         PR tree-optimization/18663
7761         * tree-ssa-dom.c (extract_range_from_cond): Return 0
7762         if the type has variable bounds.
7763
7764 2005-02-20  Kazu Hirata  <kazu@cs.umass.edu>
7765
7766         * gcse.c: Remove an obsolete comment.
7767
7768         * cse.c (init_cse_reg_info): Use xmalloc instead of xrealloc.
7769
7770 2005-02-20  Hans-Peter Nilsson  <hp@axis.com>
7771
7772         * doc/extend.texi (Function Attributes) <Attribute const>: The
7773         attribute "pure" is below this text, not above.
7774
7775 2005-02-20  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
7776
7777         * pa.c (pa_assemble_integer, get_plabel): Small cleanups.
7778         (pa_asm_output_mi_thunk): Use asm_output_insn instead of fprintf.
7779         * som.h (ASM_OUTPUT_EXTERNAL_LIBCALL): Small cleanup.
7780
7781 2005-02-20  Zack Weinberg  <zack@codesourcery.com>
7782
7783         PR 18785
7784         * langhooks.h (struct lang_hooks): Add to_target_charset.
7785         * langhooks.c (lhd_to_target_charset): New function.
7786         * langhooks-def.h: Declare lhd_to_target_charset.
7787         (LANG_HOOKS_TO_TARGET_CHARSET): New macro.
7788         (LANG_HOOKS_INITIALIZER): Update.
7789         * c-common.c (c_common_to_target_charset): New function.
7790         * c-common.h: Declare it.
7791         * c-objc-common.h (LANG_HOOKS_TO_TARGET_CHARSET): Set to
7792         c_common_to_target_charset.
7793
7794         * defaults.c (TARGET_BELL, TARGET_BS, TARGET_CR, TARGET_DIGIT0)
7795         (TARGET_ESC, TARGET_FF, TARGET_NEWLINE, TARGET_TAB, TARGET_VT):
7796         Delete definitions.
7797         * system.h: Poison them.
7798         * doc/tm.texi: Don't discuss them.
7799         * builtins.c (fold_builtin_isdigit): Use lang_hooks.to_target_charset.
7800         * c-pretty-print.c (pp_c_integer_constant): Don't use pp_c_char.
7801         (pp_c_char): Do not attempt to generate letter escapes for
7802         newline, tab, etc.
7803         * config/arm/arm.c (output_ascii_pseudo_op): Likewise.
7804         * config/mips/mips.c (mips_output_ascii): Likewise.
7805
7806 2005-02-20  Dorit Naishlos  <dorit@il.ibm.com>
7807
7808         PR tree-optimization/19951
7809         * tree-vect-analyze.c (vect_analyze_loop_form): Check if loop exit edge
7810         is abnormal.
7811
7812 2005-02-19  Steven Bosscher  <stevenb@suse.de>
7813
7814         PR middle-end/19698
7815         * function.h (struct function): New field `max_loop_depth'.
7816         * cfgloop.c (establish_preds): Update maximum loop depth seen so far.
7817         (flow_loops_find): Reset the max loop depth count before finding loops.
7818         * flow.c (MAX_LIVENESS_ROUNDS): New constant.
7819         (update_life_info_in_dirty_blocks): Remove 2002-05-28 workaround.
7820         (calculate_global_regs_live): Make sure the loop will terminate
7821         when the initial sets are not empty.
7822
7823 2005-02-19  Zack Weinberg  <zack@codesourcery.com>
7824
7825         * mklibgcc.in: If libgcc_eh.a would be empty, put a dummy
7826         object inside.
7827         * config/ia64/hpux.h: Don't define LIBGCC_SPEC.
7828
7829 2005-02-19  Richard Sandiford  <rsandifo@redhat.com>
7830
7831         PR other/19525
7832         * doc/invoke.texi: Remove documentation of %M spec.
7833         * gcc.c: Likewise.
7834         (init_spec): Remove %M suffix from -lgcc_s.
7835         (do_spec_1): Remove 'M' case.
7836         * mklibgcc.in: Remove SHLIB_MULTILIB handling.  Expect SHLIB_LINK
7837         to put shared libraries in the multilib directory.  Remove the
7838         shlib_so_soname substitution variable.  Don't add a multilib encoding
7839         to shlib_base_name.  Set shlib_slibdir_qual to the full pathname
7840         reported by -print-multi-os-directory.  Pass @multilib_dir@ to
7841         SHLIB_INSTALL as well as SHLIB_LINK.
7842         * config/t-slibgcc-elf-ver (SHLIB_SONAME): Use @shlib_base_name@.
7843         (SHLIB_NAME): Delete.
7844         (SHLIB_DIR): New macro.
7845         (SHLIB_LINK): Put $(SHLIB_SONAME) and $(SHLIB_SOLINK) in $(SHLIB_DIR).
7846         (SHLIB_INSTALL): Adjust accordingly.
7847         * config/t-slibgcc-darwin: As for t-slibgcc-elf-ver.
7848         * config/t-slibgcc-sld: Likewise.
7849         * config/t-libunwind-elf (SHLIBUNWIND_NAME): Delete.
7850         (SHLIBUNWIND_SONAME): Use @shlib_base_name@.
7851         (SHLIBUNWIND_LINK): Put $(SHLIBUNWIND_SONAME) and $(SHLIB_SOLINK)
7852         in $(SHLIB_DIR).
7853         (SHLIBUNWIND_INSTALL): Adjust accordingly.
7854         * config/i386/t-nwld (SHLIB_SONAME): Delete.
7855         (SHLIB_LINK, SHLIB_INSTALL): Use SHLIB_NAME instead of SHLIB_SONAME.
7856         Use @shlib_base_name@ instead of @shlib_so_name@.
7857         * config/ia64/t-hpux (SHLIB_LINK): Put @shlib_base_name@.so.0
7858         and @shlib_base_name@.so in @multilib_dir@.
7859         (SHLIB_INSTALL): Adjust accordingly.  Add @shlib_slibdir_qual@
7860         to the install path.
7861         * config/mips/t-slibgcc-irix: As for t-slibgcc-elf-ver.
7862         (SHLIB_LINK): Remove previous workaround.
7863         * config/pa/t-hpux-shlib (SHLIB_DIR, SHLIB_SLIBDIR_QUAL): New macros.
7864         (SHLIB_LINK): Put $(SHLIB_SONAME) and $(SHLIB_NAME) in $(SHLIB_DIR).
7865         (SHLIB_INSTALL): Adjust accordingly.  Add $(SHLIB_SLIBDIR_QUAL) to
7866         the install path.
7867         * config/rs6000/t-aix43 (SHLIB_LINK): Put @shlib_base_name@.a in
7868         @multilib_dir@.  Use @multilib_dir@ to check for threading libraries.
7869         (SHLIB_INSTALL): Adjust accordingly.
7870         (SHLIB_LIBS): Use @multilib_dir@ to check for threading libraries.
7871         * config/rs6000/t-aix52: As for config/rs6000/t-aix43.
7872         * config/sh/t-linux (SHLIB_LINK, SHLIB_INSTALL): As for
7873         config/t-slibgcc-elf-ver.
7874
7875 2005-02-19  Zdenek Dvorak  <dvorakz@suse.cz>
7876             Jakub Jelinek  <jakub@redhat.com>
7877
7878         PR tree-optimization/19828
7879         * tree-ssa-loop-im.c: Add a TODO comment.
7880         (movement_possibility): Return MOVE_PRESERVE_EXECUTION for calls
7881         without side-effects.
7882
7883 2005-02-18  James A. Morrison  <phython@gcc.gnu.org>
7884
7885         * tree-ssa-ccp.c (widen_bitfield): Pass type to build_int_cst and don't
7886         call fold_convert.
7887
7888 2005-02-18  James E. Wilson  <wilson@specifixinc.com>
7889
7890         * doc/invoke.texi (IA-64 Options): Delete -mb-step.
7891         * config/ia64/ia64.c (last_group, group_idx): Delete variables.
7892         (errata_find_address_regs, errata_emit_nops, fixup_errata): Delete
7893         functions.
7894         (ia64_reorg): Delete fixup_errata call.
7895         * config/ia64/ia64.h (MASK_B_STEP, TARGET_B_STEP): Delete.
7896         (TARGET_SWITCHES): Delete -mb-step entry.
7897
7898 2005-02-19  Jakub Jelinek  <jakub@redhat.com>
7899
7900         PR c/20043
7901         * c-typeck.c (composite_type): Handle quals in transparent unions.
7902         (type_lists_compatible_p): Likewise.
7903
7904 2005-02-18  Stan Shebs  <shebs@apple.com>
7905
7906         * config/darwin.c (machopic_select_rtx_section): Don't put relocatable
7907         expressions in the .literal8 section.
7908
7909 2005-02-18  Geoffrey Keating  <geoffk@apple.com>
7910
7911         * config/rs6000/darwin-tramp.asm: Remove stray 'APPLE LOCAL' marker.
7912
7913 2005-02-18  Roger Sayle  <roger@eyesopen.com>
7914
7915         * fold-const.c (constant_boolean_node): Always create values of the
7916         specified type, don't bother calling truthvalue_conversion.
7917
7918 2005-02-18  Joseph S. Myers  <joseph@codesourcery.com>
7919
7920         * except.c (output_function_exception_table): Call
7921         assemble_external_libcall (eh_personality_libfunc).
7922
7923 2005-02-18  Joseph S. Myers  <joseph@codesourcery.com>
7924
7925         PR target/19886
7926         * config/ia64/ia64.h (struct machine_function): Add state_num.
7927         * config/ia64/ia64.c (process_epilogue,
7928         process_for_unwind_directive): Use new unwind state numbers each
7929         time rather than state 1.
7930
7931 2005-02-18  Ulrich Weigand  <uweigand@de.ibm.com>
7932
7933         PR target/20054
7934         * config/s390/s390.md ("*llgt_sidi", "*llgt_sidi_split"): Move to
7935         before the "*llgt_didi" pattern.
7936
7937 2005-02-18  Jason Merrill  <jason@redhat.com>
7938
7939         * gimplify.c (gimplify_modify_expr_rhs) [CALL_EXPR]: Revert again.
7940
7941 2005-02-18  Richard Earnshaw  <rearnsha@arm.com>
7942
7943         * arm/lib1funcs.asm (FUNC_ALIAS): New macro.
7944         (div0): Use it in place of ARM_FUNC_ALIAS.
7945         (lshrdi3, ashrdi3, ashlrdi3): Likewise.
7946
7947 2005-02-18  Andrew Pinski  <pinskia@physics.uc.edu>
7948
7949         PR middle-end/20030
7950         * fold-const.c (fold_indirect_ref_1): Use the correct index for zero
7951         access, the lower bound of the array type if it exists.
7952
7953 2005-02-18  Alexandre Oliva  <aoliva@redhat.com>
7954
7955         PR c++/20008
7956         * stmt.c (expand_case): Don't assume cleanup_tree_cfg will remove
7957         cases that are out-of-range for the index type.
7958
7959 2005-02-18  James A. Morrison  <phython@gcc.gnu.org>
7960
7961         * stmt.c (emit_case_bit_tests): Call fold_convert instead of convert.
7962         (estimate_case_costs): Don't call convert.
7963         * expmed.c (expand_shift): Likewise.
7964         (make_tree): Call fold_convert instead of convert.
7965
7966 2005-02-18  Jakub Jelinek  <jakub@redhat.com>
7967
7968         PR c++/19813
7969         * emit-rtl.c (set_mem_attributes_minus_bitpos): Add assertion
7970         that ref to be marked MEM_READONLY_P doesn't have base that needs
7971         constructing.
7972
7973 2005-02-18  Joseph S. Myers  <joseph@codesourcery.com>
7974
7975         * genautomata.c (output_get_cpu_unit_code_func,
7976         output_cpu_unit_reservation_p): Don't generate old-style function
7977         definitions.
7978
7979 2005-02-18  Jakub Jelinek  <jakub@redhat.com>
7980
7981         PR c++/20023
7982         PR tree-optimization/20009
7983         * convert.c (convert_to_integer): Revert 2005-02-16 change.
7984
7985         PR tree-optimization/18947
7986         * cgraphunit.c (cgraph_finalize_function): When redefining an extern
7987         inline, remove all nodes that are inlined into the extern inline
7988         being redefined.
7989
7990 2005-02-17  Kazu Hirata  <kazu@cs.umass.edu>
7991
7992         * bt-load.c, cfgloop.c, convert.c, dominance.c, global.c,
7993         loop-invariant.c, stmt.c, tree-ssa-forwprop.c,
7994         tree-ssa-live.c, tree-ssanames.c, tree-vn.c,
7995         config/host-linux.c, config/arm/fpa.md, config/avr/avr.h:
7996         Update copyright.
7997
7998 2005-02-17  Roger Sayle  <roger@eyesopen.com>
7999
8000         PR tree-optimization/19917
8001         * tree-eh.c (tree_could_trap_p): Consider calls to weak functions
8002         to be potentially trapping.
8003
8004 2005-02-17  Kazu Hirata  <kazu@cs.umass.edu>
8005
8006         * libgcc2.c, tree-vect-analyze.c: Fix comment typos.
8007
8008 2005-02-17  Andreas Krebbel  <krebbel1@de.ibm.com>
8009
8010         * builtins.c (expand_builtin_return_addr): Remove tem parameter.
8011         tem becomes a local variable which is set to the value of the
8012         back end defined INITIAL_FRAME_ADDRESS macro.
8013         (expand_builtin_frame_address): Omit the base parameter to
8014         expand_builtin_return_addr.
8015         (expand_builtin_profile_func): Likewise.
8016         * config/s390/s390.h (INITIAL_FRAME_ADDRESS_RTX): Define new macro.
8017         (DYNAMIC_CHAIN_ADDRESS): Remove the case for the initial frame.
8018         * doc/tm.texi: Documentation for INITIAL_FRAME_ADDRESS_RTX added.
8019
8020 2005-02-17  Jakub Jelinek  <jakub@redhat.com>
8021
8022         * config/s390/s390.c (s390_alloc_pool, s390_free_pool,
8023         s390_chunkify_start): Use BITMAP_ALLOC and BITMAP_FREE.
8024         * config/frv/frv.c (frv_function_epilogue): Likewise.
8025
8026 2005-02-17  Daniel Berlin  <dberlin@dberlin.org>
8027
8028         * lambda-code (perfect_nestify): Remove mark/unmark
8029         for rewriting hack.
8030         * tree-loop-linear.c (linear_transform_loops): Add
8031         rewrite_into_ssa call so that ssa is correct for
8032         rewriting into loop closed.
8033
8034 2005-02-17  Nathan Sidwell  <nathan@codesourcery.com>
8035
8036         * bitmap.h (BITMAP_XMALLOC, BITMAP_XFREE): Remove.
8037         * bb-reorder.c (duplicate_computed_gotos): Use BITMAP_ALLOC and
8038         BITMAP_FREE.
8039         * bt-load.c (btr_def_live_range, combine_btr_defs,
8040         migrate_btr_def, migrate_btr_defs): Likewise.
8041         * cfgcleanup.c (thread_jump): Likewise.
8042         * cfgloop.c (get_loop_body_in_bfs_order): Likewise.
8043         * df.c (df_insn_table_realloc, df_bitmaps_alloc, df_bitmaps_free,
8044         df_alloc, df_free, df_du_chain_create, df_bb_rd_local_compute,
8045         df_rd_local_compute, df_reg_info_compute): Likewise.
8046         * dominance.c (init_dom_info, free_dom_info): Likewise.
8047         * flow.c (init_propagate_block_info,
8048         free_propagate_block_info): Likewise.
8049         * gcse.c (alloc_gcse_mem, free_gcse_mem): Likewise.
8050         * global.c (allocate_bb_info, free_bb_info, calculate_reg_pav,
8051         modify_reg_pav): Likewise.
8052         * loop-invariant.c (find_defs, find_invariant_insn,
8053         find_invariants, free_inv_motion_data): Likewise.
8054         * predict.c (tree_predict_by_opcode,
8055         estimate_bb_frequencies): Likewise.
8056         * stmt.c (expand_case): Likewise.
8057         * tree-cfg.c (tree_duplicate_sese_region): Likewise.
8058         * tree-dfa.c (mark_new_vars_to_rename): Likewise.
8059         * tree-if-conv.c (get_loop_body_in_if_conv_order): Likewise.
8060         * tree-into-ssa.c (insert_phi_nodes_for, def_blocks_free,
8061         get_def_blocks_for, mark_def_site_blocks, rewrite_into_ssa,
8062         rewrite_ssa_into_ssa): Likewise.
8063         * tree-optimize.c (tree_rest_of_compilation): Likewise.
8064         * tree-outof-ssa.c (new_temp_expr_table, free_temp_expr_table,
8065         analyze_edges_for_bb, perform_edge_inserts): Likewise.
8066         * tree-scalar-evolution.c (scev_initialize, scev_finalize): Likewise.
8067         * tree-sra.c (tree_sra): Likewise.
8068         * tree-ssa-alias.c (init_alias_info, delete_alias_info): Likewise.
8069         * tree-ssa-ccp.c (ccp_fold_builtin): Likewise.
8070         * tree-ssa-dce.c (tree_dce_init, tree_dce_done): Likewise.
8071         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Likewise.
8072         * tree-ssa-dse.c (tree_ssa_dse): Likewise.
8073         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_var):
8074         Likewise.
8075         * tree-ssa-live.c (new_tree_live_info, delete_tree_live_info,
8076         calculate_live_on_entry, calculate_live_on_exit,
8077         build_tree_conflict_graph): Likewise.
8078         * tree-ssa-loop-ivopts.c (tree_ssa_iv_optimize_init, record_use,
8079         record_important_candidates, set_use_iv_cost, find_depends,
8080         determine_use_iv_costs, iv_ca_new, iv_ca_free, free_loop_data,
8081         tree_ssa_iv_optimize_finalize): Likewise.
8082         * tree-ssa-loop-manip.c (add_exit_phis_var, get_loops_exit,
8083         find_uses_to_rename_use, rewrite_into_loop_closed_ssa,
8084         tree_duplicate_loop_to_header_edge): Likewise.
8085         * tree-ssa-pre.c (init_pre, fini_pre): Likewise.
8086         * tree-ssa.c (verify_flow_insensitive_alias_info,
8087         verify_name_tags, verify_ssa, init_tree_ssa,
8088         delete_tree_ssa): Likewise.
8089         * tree-ssanames.c (marked_ssa_names, init_ssanames,
8090         fini_ssanames): Likewise.
8091         * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Likewise.
8092
8093 2005-02-17  Ralf Corsepius  <ralf.corsepius@rtems.org>
8094
8095         * config/rs6000/t-rtems: Completely reworked.
8096
8097 2005-02-17  Ira Rosen  <irar@il.ibm.com>
8098
8099         * tree-data-ref.c (array_base_name_differ_p): Remove gcc_assert.
8100
8101 2005-02-17  Ira Rosen  <irar@il.ibm.com>
8102
8103         * tree-vect-analyze.c (vect_analyze_pointer_ref_access): Use
8104         POINTER_TYPE_P when checking that type is a pointer.
8105         (vect_get_memtag): Remove.
8106         (vect_address_analysis): Use POINTER_TYPE_P. Call
8107         vect_object_analysis with dummy parameter for memtag.
8108         (vect_object_analysis): Extract memtag (functionality that
8109         used to be in vect_get_memtag and moved here). Fix printings.
8110         (vect_analyze_data_refs): Fix comment. Call vect_object_analysis
8111         with correct parameters. Remove call to vect_get_memtag.
8112
8113 2005-02-17  Dorit Naishlos  <dorit@il.ibm.com>
8114
8115         * Makefile.in (tree-vect-analyze.o, tree-vect-transform.o): New.
8116         (tree-vectorizer.o): Added missing dependencies.
8117
8118         * tree-vectorizer.h (vect_dump, vect_verbosity_level): Added extern
8119         decleration.
8120         (slpeel_tree_peel_loop_to_edge): Function externalized (had a static
8121         declaration in tree-vectorizer.c, now has an extern declaration in
8122         tree-vectorizer.h).
8123         (slpeel_make_loop_iterate_ntimes, slpeel_can_duplicate_loop_p,
8124         slpeel_verify_cfg_after_peeling, vect_strip_conversion,
8125         get_vectype_for_scalar_type, vect_is_simple_use,
8126         vect_is_simple_iv_evolution, vect_can_force_dr_alignment_p,
8127         vect_supportable_dr_alignment, new_loop_vec_info, destroy_loop_vec_info,
8128         new_stmt_vec_info, vect_analyze_loop, vectorizable_load,
8129         vectorizable_store, vectorizable_operation, vectorizable_assignment,
8130         vect_transform_loop, vect_print_dump_info, vect_set_verbosity_level,
8131         find_loop_location): Likewise.
8132
8133         * tree-vectorizer.c (langhooks.h): #include removed.
8134         (slpeel_tree_peel_loop_to_edge): Function externalized. Declaration
8135         moved to tree-vectorized.h.
8136         (slpeel_make_loop_iterate_ntimes, slpeel_can_duplicate_loop_p,
8137         slpeel_verify_cfg_after_peeling, vect_strip_conversion,
8138         get_vectype_for_scalar_type, vect_is_simple_use,
8139         vect_is_simple_iv_evolution, vect_can_force_dr_alignment_p,
8140         vect_supportable_dr_alignment, new_loop_vec_info,
8141         destroy_loop_vec_info, new_stmt_vec_info, vect_print_dump_info,
8142         vect_set_verbosity_level, find_loop_location): Likewise.
8143
8144         (vect_analyze_loop): Function externalized. Declaration moved to
8145         tree-vectorized.h. Function definition moved to tree-vect-analyze.c.
8146         (vect_analyze_loop_form): Moved to tree-vect-analyze.c.
8147         (vect_mark_stmts_to_be_vectorized, vect_analyze_scalar_cycles,
8148         vect_analyze_data_ref_accesses, vect_analyze_data_ref_dependences,
8149         vect_analyze_data_refs_alignment, vect_compute_data_refs_alignment,
8150         vect_enhance_data_refs_alignment, vect_analyze_operations,
8151         exist_non_indexing_operands_for_use_p, vect_mark_relevant,
8152         vect_stmt_relevant_p, vect_get_loop_niters,
8153         vect_analyze_data_ref_dependence, vect_compute_data_ref_alignment,
8154         vect_analyze_data_ref_access, vect_analyze_pointer_ref_access,
8155         vect_can_advance_ivs_p, vect_get_ptr_offset, vect_analyze_offset_expr,
8156         vect_base_addr_differ_p, vect_object_analysis, vect_address_analysis,
8157         vect_get_memtag): Likewise.
8158
8159         (vectorizable_load): Function externalized. Declaration moved to
8160         tree-vectorized.h. Function definition moved to tree-vect-transform.c.
8161         (vectorizable_store, vectorizable_operation, vectorizable_assignment,
8162         vect_transform_loop): Likewise.
8163         (vect_transform_stmt): Moved to tree-vect-transform.c.
8164         (vect_align_data_ref, vect_create_destination_var,
8165         vect_create_data_ref_ptr, vect_create_index_for_vector_ref,
8166         vect_create_addr_base_for_vector_ref, vect_get_new_vect_var,
8167         vect_get_vec_def_for_operand, vect_init_vector,
8168         vect_finish_stmt_generation, vect_generate_tmps_on_preheader,
8169         vect_build_loop_niters, vect_update_ivs_after_vectorizer,
8170         vect_gen_niters_for_prolog_loop, vect_update_inits_of_dr,
8171         vect_update_inits_of_drs, vect_do_peeling_for_alignment,
8172         vect_do_peeling_for_loop_bound): Likewise.
8173
8174         * tree-vect-analyze.c: New file.
8175         * tree-vect-transform.c: New file.
8176
8177 2005-02-17  Jason Merrill  <jason@redhat.com>
8178
8179         PR mudflap/19319, c++/19317
8180         * gimplify.c (gimplify_modify_expr_rhs) [CALL_EXPR]: Make return
8181         slot explicit.
8182
8183 2005-02-17  Gerald Pfeifer  <gerald@pfeifer.com>
8184
8185         * doc/install.texi (Specific): Update link for Darwin-specific
8186         tool binary site.
8187
8188 2005-02-16  James A. Morrison  <phython@gcc.gnu.org>
8189
8190         * fold-const.c (invert_truthvalue): <INTEGER_CST>: Call
8191         constant_boolean_node.
8192
8193 2005-02-16  David Edelsohn  <edelsohn@gnu.org>
8194
8195         PR target/19019
8196         * config/rs6000/t-aix43 (SHLIB_MAPFILES): Add libgcc-ppc64.ver.
8197         * config/rs6000/t-aix52 (SHLIB_MAPFILES): Same.
8198
8199 2005-02-16  Richard Henderson  <rth@redhat.com>
8200
8201         PR 19920
8202         * libgcc2.c (WORD_SIZE): Remove all definitions; replace uses
8203         with W_TYPE_SIZE.
8204         (HIGH_WORD_COEFF, HIGH_HALFWORD_COEFF): Remove all definitions;
8205         replace uses with Wtype_MAXp1_F.
8206         (L_fixunstfdi, L_fixtfdi, L_floatditf, L_fixunsxfdi, L_fixxfdi,
8207         L_floatdixf, L_fixunsxfsi, L_fixunsdfdi, L_floatdidf, L_fixunsdfsi,
8208         L_powidf2, L_powixf2, L_powitf2, L_muldc3, L_divdc3, L_mulxc3,
8209         L_divxc3, L_multc3, L_divtc3): Protect with HAVE_DFMODE, HAVE_XFMODE,
8210         and HAVE_TFMODE as appropriate.
8211         (__fixunssfDI): Provide an implementation that doesn't need DFmode.
8212         (__floatdisf): Likewise.
8213         * libgcc2.h (LIBGCC2_DOUBLE_TYPE_SIZE): New.
8214         (HAVE_DFMODE, HAVE_XFMODE, HAVE_TFMODE): New.
8215         (Wtype_MAXp1_F): New.
8216         (DFtype, DCtype, __fixdfdi, __floatdidf, __fixunsdfSI, __fixunsdfDI,
8217         __powidf2, __divdc3, __muldc3): Protect with HAVE_DFMODE.
8218
8219 2005-02-16  Richard Earnshaw  <rearnsha@arm.com>
8220
8221         * PR target/19162
8222         * arm.c (arm_apply_result_size): New function.
8223         * arm.h (APPLY_RESULT_SIZE): Define.
8224         * arm-protos.h (arm_apply_result_size): Add prototype.
8225         * arm.md (RO_REGNUM, FPA_F0_REGNUM, FPA_F7_REGNUM): New constants.
8226         (movxf): New expand.
8227         (ldmsi_postinc4_thumb, stmsi_postinc4_thumb): New patterns for Thumb.
8228         (call_value_symbol): Remove predicate for operand 0.
8229         (call_value_insn, sibcall_value, sibcall_value_insn): Likewise.
8230         (untyped_call): Rework to correclty return values for any type.
8231         (untyped_return): New expand.
8232         * fpa.md (movxf_fpa): Simplify and use sfm/lfm when appropriate.
8233
8234 2005-02-16  Stan Shebs  <shebs@apple.com>
8235
8236         * config.gcc (powerpc-*-darwin*): Use fragment for Darwin 8 or later.
8237         * config/rs6000/t-darwin8: New, for 64-bit multilib.
8238
8239 2005-02-16  Eric Botcazou  <ebotcazou@libertysurf.fr>
8240
8241         * doc/install.texi (sparc-sun-solaris2*): Document required GMP
8242         configure settings on Solaris 7 and later.
8243
8244 2005-02-16  Diego Novillo  <dnovillo@redhat.com>
8245
8246         PR tree-optimization/19865
8247         * tree-optimize.c (init_tree_optimization_passes): Run
8248         pass_may_alias after pass_sra.
8249
8250 2005-02-16  Richard Henderson  <rth@redhat.com>
8251             Stuart Hastings  <stuart@apple.com>
8252
8253         PR debug/19521
8254         * dbxout.c (dbxout_function_end): Take decl parameter; update callers.
8255         Do nothing if debug info suppressed for this function.
8256         (dbxout_begin_function): Early exit if debug info suppressed for
8257         this function.
8258
8259 2005-02-16  Kazu Hirata  <kazu@cs.umass.edu>
8260
8261         PR target/20007
8262         * config/ip2k/ip2k.c (ip2k_reorg): Adjust calls to
8263         find_basic_blocks.
8264         * config/sh/sh.c (sh_output_mi_thunk): Likewise.
8265
8266         PR tree-optimization/19967
8267         * builtins.c (expand_builtin_strstr, expand_builtin_strpbrk,
8268         expand_builtin_strchr, expand_builtin_strrchr): Take a new
8269         argument TYPE.  Adjust calls to fold_builtin_XXX.
8270         (expand_builtin, fold_builtin_1): Adjust calls to
8271         expand_builtin_XXX.
8272         (fold_builtin_strchr, fold_builtin_strpbrk,
8273         fold_builtin_strstr, fold_builtin_strrchr): Convert the folded
8274         result to a requested type TYPE.
8275
8276 2005-02-16  Jakub Jelinek  <jakub@redhat.com>
8277
8278         PR middle-end/19857
8279         * fold-const.c (fold): Don't optimize (T)(x & cst) to
8280         (T)x & (T)cst if (T)cst overflows.
8281         * convert.c (convert_to_integer) <case POINTER_TYPE>: Pass
8282         TYPE_UNSIGNED (type) as type_for_size's UNSIGNEDP argument.
8283
8284 2005-02-15  Jeff Law  <law@redhat.com>
8285
8286         * gcse.c (blocks_with_calls): New bitmap.
8287         (alloc_gcse_mem): Allocate it.
8288         (free_gcse_mem): Free it.
8289         (clear_modifY_mem_tables): Clear it.
8290         (record_last_mem_set_info): Set the proper bit in BLOCK_WITH_CALLS
8291         when we encounter CALL_INSNs.
8292         (compute_transp, case MEM): Handle blocks with calls separate
8293         from blocks without calls.  Use bitmap iterators rather than
8294         FOR_EACH_BB.
8295
8296 2005-02-15  Peter O'Gorman  <peter@pogma.com>
8297
8298         PR bootstrap/18810
8299         * mklibgcc.in (vis_hide): Use a temporary object file, not
8300         -o /dev/null.
8301
8302 2005-02-15  Andy Hutchinson  <HutchinsonAndy@netscape.net>
8303
8304         PR target/19924
8305         * config/avr/avr.h (MODES_TIEABLE_P): Define to 1 to allow subreg
8306         access optimization.
8307
8308 2005-02-15  David Edelsohn  <edelsohn@gnu.org>
8309             Alan Modra  <amodra@bigpond.net.au>
8310
8311         PR target/19019
8312         * config/rs6000/darwin-ldouble.c (_xlqadd): Rename to __gcc_qadd.
8313         (_xlqsub): Rename to __gcc_qsub.
8314         (_xlqmul): Rename to __gcc_qmul.
8315         (_xlqdiv): Rename to __gcc_qdiv.
8316         Provide versioned symbol aliases with old names.
8317         * config/rs6000/libgcc-ppc64.ver: Rename symbols.
8318         * config/rs6000/rs6000.c (rs6000_init_libfuncs): Rename symbols.
8319         * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): New.
8320         * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): New.
8321         * config/rs6000/t-newas (LIB2FUNCS_EXTRA): New.
8322
8323 2005-02-15  James A. Morrison  <phython@gcc.gnu.org>
8324
8325         * fold-const.c (fold): Fold -(~A) to A + 1.  Fold ~(-A) to A - 1.
8326         Fold ~(A - 1) and ~(A + -1) to -A.
8327
8328 2005-02-15  James A. Morrison  <phython@gcc.gnu.org>
8329
8330         PR pch/14940
8331         PR target/19300
8332         * config/host-linux.c (linux_gt_pch_use_address): Copy from
8333         config/pa/pa-host.c:pa_gt_pch_use_address.
8334
8335 2005-02-15  Daniel Berlin  <dberlin@dberlin.org>
8336
8337         * tree-vn.c (get_value_handle): Make sure that given an
8338         is_gimple_min_invariant expression, we always return it.
8339
8340 2005-02-15  Kazu Hirata  <kazu@cs.umass.edu>
8341
8342         * passes.c (rest_of_handle_gcse): Fix a comment.
8343
8344 2005-02-15  Jeff Law  <law@redhat.com>
8345
8346         * gcse.c (canon_modify_mem_set_list_set): Kill unnecessary
8347         bitmap.
8348         (alloc_gcse_mem, free_gcse_mem): Corresponding changes.
8349         (canon_list_insert, record_last_mem_set_info): Similarly.
8350         (clear_modify_mem_tables): Similarly.
8351
8352 2005-02-15  Kazu Hirata  <kazu@cs.umass.edu>
8353
8354         * bitmap.c, bitmap.h, lambda-code.c, tree-dfa.c, tree-dump.c,
8355         tree-dump.h, tree-ssa-loop-manip.c, value-prof.c,
8356         config/mips/mips.md, config/rs6000/aix.h,
8357         config/rs6000/beos.h, config/rs6000/sysv4.h: Update copyright.
8358
8359 2005-02-15  Richard Henderson  <rth@redhat.com>
8360
8361         * bb-reorder.c (find_traces_1_round): Force fallthru edge from a
8362         call to be best_edge.
8363
8364 2005-02-14  Kazu Hirata  <kazu@cs.umass.edu>
8365
8366         * basic-block.h: Adjust the prototype for find_basic_blocks.
8367         * cfgbuild.c (find_basic_blocks): Remove unused arguments.
8368         * passes.c (rest_of_handle_loop_optimize): Adjust the call to
8369         find_basic_blocks.
8370
8371         * flow.c (recompute_reg_usage): Remove all arguments.
8372         * passes.c (rest_of_compilation): Adjust the call to
8373         recompute_reg_usage.
8374         * rtl.h: Adjust the prototype for recompute_reg_usage.
8375
8376 2005-02-14  Daniel Berlin  <dberlin@dberlin.org>
8377
8378         * tree-dump.c (dump_files): Update to reflect new member
8379         of dump_file_info.
8380         (dump_register): Add new argument.
8381         Set glob name.
8382         (dump_switch_p_1): Check against glob name if doglob was passed.
8383         (dump_switch_p): Check against regular first, then glob if
8384         we didn't have any hits on the dump name.
8385         * tree-optimize.c (register_one_dump_file):
8386         Pass in glob name as well.
8387         * tree-pass.h (struct dump_file_info): Add glob
8388         member.
8389
8390 2005-02-14  Joseph S. Myers  <joseph@codesourcery.com>
8391
8392         PR preprocessor/16323
8393         * doc/invoke.texi: Document that -Wendif-labels is on by default.
8394
8395 2005-02-14  David Edelsohn  <edelsohn@gnu.org>
8396
8397         PR target/19019
8398         * config/rs6000/rs6000.md (trunctfdf2): Change to define_expand.
8399         (trunctfdf2_internal1): New.
8400         (trunctfdf2_internal2): Renamed from trunctfdf2.
8401
8402 2005-02-14  Diego Novillo  <dnovillo@redhat.com>
8403
8404         PR tree-optimization/19853
8405         * tree-dfa.c (add_referenced_var): Always examine DECL_INITIAL.
8406
8407 2005-02-14  Kazu Hirata  <kazu@cs.umass.edu>
8408
8409         * passes.c (rest_of_handle_loop_optimize): Remove calls to
8410         delete_dead_jumptables and cleanup_cfg.
8411
8412 2005-02-14  Ulrich Weigand  <uweigand@de.ibm.com>
8413
8414         * reload.c (find_reloads): Swap address_reloaded flags when
8415         swapping commutative operands.
8416
8417 2005-02-14  Sebastian Pop  <pop@cri.ensmp.fr>
8418
8419         * lambda-code.c (lambda_loopnest_to_gcc_loopnest, perfect_nestify):
8420         Use standard_iv_increment_position for computing the bsi position
8421         for create_iv.
8422         * tree-ssa-loop-manip.c (create_iv): Add a comment on how to compute
8423         the bsi position.
8424
8425 2005-02-13  Zdenek Dvorak  <dvorakz@suse.cz>
8426
8427         PR target/17428
8428         * cfgrtl.c (safe_insert_insn_on_edge): Avoid extending
8429         life range of hard registers.
8430         * value-prof.c (insn_prefetch_values_to_profile): Only
8431         scan normal insns.
8432
8433         * value-prof.c (rtl_find_values_to_profile): Do not look for values to
8434         profile in libcalls.
8435
8436 2005-02-13  Nathan Sidwell  <nathan@codesourcery.com>
8437
8438         * bitmap.h (bitmap_and_compl_into): Return bool.
8439         * bitmap.c (bitmap_and_compl_into): Return changed flag.
8440
8441 2005-02-13  James A. Morrison  <phython@gcc.gnu.org>
8442
8443         PR tree-optimization/19944
8444         * fold-const.c (fold): Re-add ABS_EXPR folding.
8445
8446 2005-02-13  David Edelsohn  <edelsohn@gnu.org>
8447
8448         PR target/19019
8449         * config/rs6000/aix.h ({TARGET,MASK}_XL_CALL): Rename to
8450         {TARGET,MASK}_XL_COMPAT.
8451         (SUBTARGET_SWITCHES): Rename xl-call to xl-compat.  Use
8452         MASK_XL_COMPAT.
8453         * config/rs6000/beos.h ({TARGET,MASK}_XL_CALL): Remove.
8454         * config/rs6000/rs6000.c (function_arg): Change TARGET_XL_CALL to
8455         TARGET_XL_COMPAT.
8456         (rs6000_arg_partial_bytes): Same.
8457         (rs6000_generate_compare): Generate PARALLEL for compare if TFmode
8458         and XL compatibility enabled.
8459         * config/rs6000/rs6000.h (TARGET_XL_CALL): Rename to TARGET_XL_COMPAT.
8460         * config/rs6000/rs6000.md (cmptf_internal1): Add !TARGET_XL_COMPAT
8461         test to final condition.
8462         (cmptf_internal2): New.
8463         * doc/invoke.texi (RS/6000 Subtarget Options): Change xl-call to
8464         xl-compat.  Add TFmode information to description.
8465
8466 2005-02-13  Kazu Hirata  <kazu@cs.umass.edu>
8467
8468         * flags.h, read-rtl.c, tree-ssa-live.h: Update copyright.
8469
8470 2005-02-13  Jason Merrill  <jason@redhat.com>
8471
8472         PR c++/16405
8473         * fold-const.c (fold_indirect_ref_1): Split out from...
8474         (build_fold_indirect_ref): Here.
8475         (fold_indirect_ref): New fn.
8476         * tree.h: Declare it.
8477         * gimplify.c (gimplify_compound_lval): Call fold_indirect_ref.
8478         (gimplify_modify_expr_rhs): Likewise.
8479         (gimplify_expr): Likewise.
8480
8481 2005-02-13  James A. Morrison  <phython@gcc.gnu.org>
8482
8483         PR tree-optimization/14303
8484         PR tree-optimization/15784
8485         * fold-const.c (fold): Fold ABS_EXPR<x> >= 0 to true, when possible.
8486         Fold ABS_EXPR<x> < 0 to false.  Fold ABS_EXPR<x> == 0 to x == 0 and
8487         ABS_EXPR<x> != 0 to x != 0.
8488
8489 2005-02-12  Kazu Hirata  <kazu@cs.umass.edu>
8490
8491         * c-tree.h, combine.c, expmed.c, flow.c, libgcc2.c,
8492         simplify-rtx.c, tree-ssa-live.h: Fix comment typos.  Follow
8493         spelling conventions.
8494
8495         * passes.c (rest_of_handle_gcse): Don't run cse_main and
8496         delete_trivially_dead_insns too many times.
8497
8498         * passes.c (rest_of_handle_gcse): Remove dead assignments to
8499         tem and tem2.
8500
8501 2005-02-12  Ira Rosen  <irar@il.ibm.com>
8502
8503         * tree-vectorizer.c (vect_get_base_and_offset): Remove.
8504         (vect_is_simple_iv_evolution): Remove redundant parameter
8505         and step check.
8506         (vect_analyze_scalar_cycles): Call vect_is_simple_iv_evolution
8507         without last parameter.
8508         (vect_analyze_pointer_ref_access): Get access_fn as parameter.
8509         Return pointer step. Call vect_is_simple_iv_evolution without
8510         last parameter. Check only that the step is multiple of size
8511         type. Remove stmt_vinfo updates.
8512         (vect_get_memtag_and_dr): Remove.
8513         (vect_get_memtag): New function.
8514         (vect_address_analysis): New function.
8515         (vect_object_analysis): New function.
8516         (vect_analyze_data_refs): Call vect_object_analysis and
8517         vect_get_memtag. Update stmt_vinfo fields.
8518
8519 2005-02-12  Ira Rosen  <irar@il.ibm.com>
8520
8521         * tree-data-ref.c (array_base_name_differ_p): Check that the bases
8522         exist and are objects. Remove checks for pointer.
8523         * tree-vectorizer.c (vect_create_addr_base_for_vector_ref): Use
8524         STMT_VINFO_VECT_DR_BASE_ADDRESS instead of DR_BASE_NAME.
8525         (vect_create_data_ref_ptr): Likewise.
8526         (vect_base_addr_differ_p): New function.
8527         (vect_analyze_data_ref_dependence): Call vect_base_addr_differ_p.
8528         (vect_analyze_pointer_ref_access): Add output parameter - ptr_init.
8529         Don't set the DR_BASE_NAME field of data-ref.
8530         (vect_get_memtag_and_dr): Use ptr_init instead of DR_BASE_NAME.
8531
8532 2005-02-12  Uros Bizjak  <uros@kss-loka.si>
8533
8534         * optabs.h (enum optab_index): Add new OTI_ldexp.
8535         (ldexp_optab): Define corresponding macro.
8536         * optabs.c (init_optabs): Initialize ldexp_optab.
8537         * genopinit.c (optabs): Implement ldexp_optab using ldexp?f3
8538         patterns.
8539         * builtins.c (expand_builtin_mathfn_2): Handle BUILT_IN_LDEXP{,F,L}
8540         using ldexp_optab.
8541         (expand_builtin): Expand BUILT_IN_LDEXP{,F,L} using
8542         expand_builtin_mathfn_2 if flag_unsafe_math_optimizations is set.
8543
8544         * config/i386/i386.md (ldexpsf3, ldexpdf3, ldexpxf3): New expanders
8545         to implement ldexpf, ldexp and ldexpl built-ins as inline x87
8546         intrinsics.
8547
8548 2005-02-12  Ira Rosen  <irar@il.ibm.com>
8549
8550         * tree-vectorizer.h (struct _stmt_vec_info): Rename a field: base
8551         to base_address.
8552         * tree-vectorizer.c (new_stmt_vec_info): Rename the above field of
8553         stmt_vec_info.
8554         (vect_get_base_and_offset): Always return an address.
8555         (vect_create_addr_base_for_vector_ref): Remove treatment for
8556         different data reference types.
8557         (vect_compute_data_ref_alignment): Rename base to base_address in
8558         stmt_vec_info. Get the object in order to force its alignment.
8559         (vect_get_memtag_and_dr): Rename base to base_address in
8560         stmt_vec_info. Extract the object for memtag analysis.
8561
8562 2005-02-12  Hans-Peter Nilsson  <hp@axis.com>
8563
8564         PR regression/19898.
8565         * config/cris/cris.c (cris_notice_update_cc): When testing if insn
8566         changes cc_status, use apply modified_in_p to part of cc_status
8567         and insn, not cris_reg_overlap_mentioned_p on SET_DEST of insn
8568         body.
8569
8570 2005-02-11  Richard Henderson  <rth@redhat.com>
8571
8572         * tree-complex.c (expand_complex_libcall): New.
8573         (expand_complex_multiplication): Use it for c99 compliance.
8574         (expand_complex_division): Likewise.
8575         * fold-const.c (fold_complex_add, fold_complex_mult): New.
8576         (fold): Call them.
8577         * builtins.c (built_in_names): Remove const.
8578         * tree.c (build_common_builtin_nodes): Build complex arithmetic
8579         builtins.
8580         * tree.h (BUILT_IN_COMPLEX_MUL_MIN, BUILT_IN_COMPLEX_MUL_MAX): New.
8581         (BUILT_IN_COMPLEX_DIV_MIN, BUILT_IN_COMPLEX_DIV_MAX): New.
8582         (built_in_names): Remove const.
8583         * c-common.c (c_common_type_for_mode): Handle complex modes.
8584         * flags.h, toplev.c (flag_complex_method): Rename from
8585         flag_complex_divide_method.
8586         * libgcc2.c (__divsc3, __divdc3, __divxc3, __divtc3,
8587         __mulsc3, __muldc3, __mulxc3, __multc3): New.
8588         * libgcc2.h: Declare them.
8589         * libgcc-std.ver: Export them.
8590         * mklibgcc.in (lib2funcs): Build them.
8591
8592 2005-02-11  Steven Bosscher  <stevenb@suse.de>
8593
8594         PR tree-optimization/19876
8595         Partially revert my change from 2005-01-14
8596         * tree-ssa-pre.c (compute_antic_aux): Make recursive once again...
8597         (compute_antic): ...and remove the loop here.
8598
8599 2005-02-11  Jakub Jelinek  <jakub@redhat.com>
8600
8601         PR middle-end/19858
8602         * fold-const.c (make_bit_field_ref): If bitpos == 0 and bitsize
8603         is number of inner's bits, avoid creating a BIT_FIELD_REF.
8604
8605         * config/rs6000/sysv4.h (ENDFILE_LINUX_SPEC): Use crtendS.o instead of
8606         crtend.o if -pie.  Use %{x:a;:b} spec syntax.
8607
8608 2005-02-11  Daniel Jacobowitz  <dan@codesourcery.com>
8609
8610         * config/mips/linux-unwind.h (mips_fallback_frame_state): Adjust
8611         offsets for the big-endian 32-bit case.
8612
8613 2005-02-11  Joseph S. Myers  <joseph@codesourcery.com>
8614
8615         * config/ia64/hpux.h (WCHAR_TYPE, WCHAR_TYPE_SIZE): Define.
8616
8617 2005-02-11  Dale Johannesen  <dalej@apple.com>
8618
8619         * cselib.c (cselib_process_insn):  Clear out regs where
8620         HARD_REGNO_CALL_PART_CLOBBERED is true at a call.
8621         * reload.c (find_equiv_reg): Ditto.
8622
8623 2005-02-11  Ian Lance Taylor  <ian@airs.com>
8624
8625         * read-rtl.c (read_rtx_1): Give fatal error if we see a vector
8626         with no elements.
8627
8628         * tree.c (build_function_type_list): Work correctly if there are
8629         no arguments.
8630
8631 2005-02-11  Ulrich Weigand  <uweigand@de.ibm.com>
8632
8633         * config/s390/s390.md ("*cmpdi_cct", "*cmpsi_cct", "*cmpdi_ccs",
8634         "*cmpsi_ccs"): Use %h instead of %c to print immediate operand.
8635         ("*zero_extendhisi2_64", "*zero_extendhisi2_31"): Choose based on
8636         TARGET_ZARCH instead of TARGET_64BIT.
8637
8638 2005-02-11  Ralf Corsepius  <ralf.corsepius@rtems.org>
8639
8640         * config/rs6000/t-rtems:
8641         (MULTILIB_OPTIONS): Remove mcpu=602.
8642         (MUTLILIB_DIRNAMES): Remove m602.
8643         (MULTILIB_MATCHES): Add ${MULTILIB_MATCHES_FLOAT}.
8644         Let mcpu=602 match mcpu=603.
8645         (MULTILIB_NEW_EXCEPTIONS_ONLY): Add mcpu=601, mcpu=602, mcpu=m603.
8646
8647 2005-02-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
8648
8649         * pa/linux-unwind.h (pa32_fallback_frame_state): Handle misaligned
8650         signal trampolines.
8651
8652 2005-02-10  David Daney  <ddaney@avtrex.com>
8653
8654         * config/alpha/linux-unwind.h: Add exception clause to copyright.
8655         * config/i386/linux-unwind.h: Likewise.
8656         * config/ia64/linux-unwind.h: Likewise.
8657         * config/mips/linux-unwind.h: Likewise.
8658         * config/pa/linux-unwind.h: Likewise.
8659         * config/rs6000/linux-unwind.h: Likewise.
8660         * config/s390/linux-unwind.h: Likewise.
8661         * config/sh/linux-unwind.h: Likewise.
8662         * config/sparc/linux-unwind.h: Likewise.
8663
8664 2005-02-10  Steven Bosscher  <stevenb@suse.de>
8665
8666         PR tree-optimization/17549
8667         * tree-outof-ssa.c (find_replaceable_in_bb): Do not allow
8668         TER to replace a DEF with its expression if the DEF and the
8669         rhs of the expression we replace into have the same root
8670         variable.
8671
8672 2005-02-10  Richard Sandiford  <rsandifo@redhat.com>
8673
8674         * config/mips/mips.md: Fix the placement of the match_scratch in the
8675         lea64 peephole2.
8676
8677 2005-02-10  Kazu Hirata  <kazu@cs.umass.edu>
8678
8679         * cse.c, tree-ssa-loop-ivopts.c, config/rs6000/linux-unwind.h:
8680         Fix comment typos.
8681
8682 2005-02-10  Zdenek Dvorak  <dvorakz@suse.cz>
8683
8684         * tree-ssa-loop-ivopts.c (determine_base_object): Ignore casts.
8685         (strip_offset): Handle addresses.
8686         (add_address_candidates): Use strip_offset.
8687         (difference_cost): Reflect strip_offset change.
8688         (force_var_cost, difference_cost): Strip nops.
8689
8690 2005-02-10  Kazu Hirata  <kazu@cs.umass.edu>
8691
8692         * df.h (DF_REF_MODE_CHANGE, DF_REF_MEM_OK): Remove.
8693
8694         * builtins.def, haifa-sched.c, libgcc2.c, libgcc2.h,
8695         tree-ssa-loop-ivcanon.c, tree-ssa-loop-niter.c,
8696         config/cris/cris-protos.h, config/cris/cris.c: Update
8697         copyright.
8698
8699 2005-02-10  Jeff Law  <law@redhat.com>
8700
8701         * tree-ssa-dom.c (thread_across_edge): Use xmalloc, not xcalloc.
8702         (lookup_avail_expr): Similarly.
8703
8704 2005-02-10  Richard Guenther  <rguenth@gcc.gnu.org>
8705
8706         * builtins.c (fold_builtin_powi): New function.
8707         (fold_builtin_1): Call it.
8708
8709 2005-02-10  Steven Bosscher  <stevenb@suse.de>
8710
8711         PR documentation/19309
8712         * doc/cpp.texi: The __GNUC__ and related predefined macros
8713         are also defined for the "standalone" cpp.
8714         Some non-GCC compilers may also define __GNUC__.
8715
8716 2005-02-10  Jakub Jelinek  <jakub@redhat.com>
8717
8718         PR c/19342
8719         * c-typeck.c (common_type): New routine.  Old common_type renamed
8720         to...
8721         (c_common_type): ...this.
8722         (build_conditional_expr, build_binary_op): Use c_common_type instead
8723         of common_type.
8724
8725 2005-02-10  Steven Bosscher  <stevenb@suse.de>
8726
8727         * doc/md.texi: Replace @samp{length} with @code{length}.
8728
8729 2005-02-09  Zdenek Dvorak  <dvorakz@suse.cz>
8730
8731         PR tree-optimization/18687
8732         * tree-flow.h (find_loop_niter): Declare.
8733         * tree-ssa-loop-ivcanon.c (canonicalize_loop_induction_variables):
8734         Try using scev even for loops with more than one exit.
8735         * tree-ssa-loop-ivopts.c (struct loop_data): Removed niter field.
8736         (struct ivopts_data): Added niters field.
8737         (struct nfe_cache_elt): New.
8738         (nfe_hash, nfe_eq, niter_for_exit, niter_for_single_dom_exit): New
8739         functions.
8740         (tree_ssa_iv_optimize_init): Initialize niters cache.
8741         (determine_number_of_iterations): Removed.
8742         (find_induction_variables): Do not call determine_number_of_iterations.
8743         Access niters for single exit through niter_for_single_dom_exit.
8744         (add_iv_outer_candidates): Access niters for single exit through
8745         niter_for_single_dom_exit.
8746         (may_eliminate_iv): Take data argument.  Use niter_for_exit.  Do not use
8747         number_of_iterations_cond.
8748         (iv_period): New function.
8749         (determine_use_iv_cost_condition): Pass data to may_eliminate_iv.
8750         (may_replace_final_value): Take data argument.  Use
8751         niter_for_single_dom_exit.
8752         (determine_use_iv_cost_outer): Pass data to may_replace_final_value.
8753         (rewrite_use_compare): Pass data to may_eliminate_iv.
8754         (rewrite_use_outer): Pass data to may_replace_final_value.
8755         (free_loop_data): Clean up the niters cache.
8756         (tree_ssa_iv_optimize_finalize): Free the niters cache.
8757         (tree_ssa_iv_optimize_loop): Do not call loop_commit_inserts.
8758         * tree-ssa-loop-niter.c (find_loop_niter): New function.
8759         (find_loop_niter_by_eval): Use tree_int_cst_lt.
8760         (num_ending_zeros): Moved to tree.c.
8761         * tree.h (num_ending_zeros): Declare.
8762         * tree.c (num_ending_zeros): Moved from tree.c.
8763
8764 2005-02-09  Richard Henderson  <rth@redhat.com>
8765
8766         * builtins.c (DEF_BUILTIN): Add COND argument.
8767         * tree.h (DEF_BUILTIN): Likewise.
8768         * builtins.def (DEF_GCC_BUILTIN, DEF_LIB_BUILTIN, DEF_EXT_LIB_BUILTIN,
8769         DEF_C94_BUILTIN, DEF_C99_BUILTIN, DEF_C99_C90RES_BUILTIN): Update to
8770         match.
8771         (DEF_BUILTIN_STUB): New.
8772         (BUILT_IN_STACK_SAVE, BUILT_IN_STACK_RESTORE, BUILT_IN_INIT_TRAMPOLINE,
8773         BUILT_IN_ADJUST_TRAMPOLINE, BUILT_IN_NONLOCAL_GOTO,
8774         BUILT_IN_PROFILE_FUNC_ENTER, BUILT_IN_PROFILE_FUNC_EXIT): Use it.
8775         * c-common.c (DEF_BUILTIN): Add COND argument.
8776         * tree.c (local_define_builtin): New.
8777         (build_common_builtin_nodes): New.
8778
8779 2005-02-09  Roger Sayle  <roger@eyesopen.com>
8780
8781         * fold-const.c (fold_strip_sign_ops): New function to simplify a
8782         floating point expression ignoring the sign of the result.
8783         (fold) <ABS_EXPR>: Use it to simplify fabs(x).
8784         (fold) <MULT_EXPR>: Use it to simplify x*x.
8785         * tree.h (fold_strip_sign_ops): Prototype here.
8786         * builtins.c (fold_builtin_copysign): Take an additional FNDECL
8787         argument.  Use fold_strip_sign_ops to simplify the first argument.
8788         (fold_builtin_pow):  Use fold_strip_sign_ops to simplify the
8789         first argument when the second argument is an even integer
8790         constant, but only with -funsafe_math_optimizations.
8791         (fold_builtin_1): Update call to fold_builtin_copysign.
8792
8793 2005-02-09  Ian Lance Taylor  <ian@airs.com>
8794
8795         PR middle-end/19583
8796         * gimple-low.c (try_catch_may_fallthru): In EH_FILTER_EXPR case,
8797         just check whether EH_FILTER_FAILURE falls through.
8798
8799 2005-02-09  Andreas Krebbel  <krebbel1@de.ibm.com>
8800
8801         * gcc/haifa-sched.c (schedule_block): Make queued sched group
8802         insns return to ready list in the next turn.
8803
8804 2005-02-09  Richard Guenther  <rguenth@gcc.gnu.org>
8805
8806         PR middle-end/19402
8807         * builtins.def: New __builtin_powi[lf].
8808         * builtins.c (mathfn_built_in): Handle BUILT_IN_POWI.
8809         (expand_builtin_powi): New function.
8810         (expand_builtin): Dispatch to expand_builtin_powi.
8811         * libgcc2.h: Add prototypes for __builtin_powi[lf].
8812         * libgcc2.c: Add __builtin_powi[lf] implementation.
8813         * mklibgcc.in: Add __builtin_powi[lf] to lib2funcs.
8814         * optabs.h: Add powi_optab.
8815         * optabs.c (init_optabs): Initialize powi_optab.
8816         * doc/extend.texi: Document __builtin_powi[lf].
8817
8818 2005-02-09  Dorit Naishlos  <dorit@il.ibm.com>
8819
8820         * tree-vectorizer.c (vect_set_dump_settings): Check that dump_file
8821         exists.
8822
8823 2005-02-09  Richard Guenther  <rguenth@gcc.gnu.org>
8824
8825         PR middle-end/19854
8826         * fold-const.c (try_move_mult_to_index): Remove redundant
8827         type argument.  Create ADDR_EXPR with correct type.
8828         (fold): Update callers of try_move_mult_to_index.  Convert
8829         result to the appropriate type.
8830
8831 2005-02-09  Roger Sayle  <roger@eyesopen.com>
8832
8833         PR target/19597
8834         * config/avr/avr.c (default_rtx_costs): Delete.
8835         (avr_operand_rtx_cost): New function.
8836         (avr_rtx_costs): Completely rewrite.
8837
8838 2005-02-08  Hans-Peter Nilsson  <hp@axis.com>
8839
8840         PR target/19806
8841         * config/cris/cris.c (in_code): New variable.
8842         (cris_output_addr_const): Now a static function, a wrapper for
8843         output_addr_const.
8844         (cris_asm_output_symbol_ref): New function, broken out SYMBOL_REF
8845         case from old cris_output_addr_const.
8846         (cris_asm_output_label_ref): Similar for LABEL_REF.
8847         (cris_output_addr_const_extra): Similar for UNSPEC.
8848         * config/cris/cris.h (OUTPUT_ADDR_CONST_EXTRA)
8849         (ASM_OUTPUT_SYMBOL_REF, ASM_OUTPUT_LABEL_REF): Define.
8850         * config/cris/cris-protos.h (cris_output_addr_const): Remove
8851         declaration.
8852         (cris_asm_output_symbol_ref, cris_output_addr_const_extra)
8853         (cris_asm_output_label_ref): Declare.
8854
8855 2005-02-08  Paolo Bonzini  <bonzini@gnu.org>
8856
8857         PR preprocessor/19801
8858         * doc/cppinternals.texi (Conventions, Lexer, Files): Adjust
8859         filenames that changed when libcpp was moved to the toplevel.
8860
8861 2005-02-07  Roger Sayle  <roger@eyesopen.com>
8862
8863         * simplify-rtx.c (simplify_relational_operation_1): Avoid creating
8864         zero extensions of BImode operands.  Call lowpart_subreg instead
8865         of gen_lowpart_common and gen_lowpart_SUBREG.
8866
8867 2005-02-07  Nathanael Nerode  <neroden@gcc.gnu.org>
8868
8869         PR ada/19489
8870         * libada-mk.in: Use cc_for_cross_gnattools, not cc_set_by_configure.
8871         * configure.ac: Set cc_for_cross_gnattools.
8872         * configure: Regenerate.
8873
8874 2005-02-08  Alan Modra  <amodra@bigpond.net.au>
8875
8876         PR target/19803
8877         * predict.c (PROB_VERY_UNLIKELY): Use 1% instead of 10%.
8878
8879 2005-02-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
8880
8881         PR debug/19327
8882         * dbxout.c (dbxout_symbol) <FUNCTION_DECL>: Skip inline instance
8883         of nested functions.
8884
8885 2005-02-07  Jonathan Wakely  <redi@gcc.gnu.org>
8886
8887         * doc/extend.texi: Document deprecated extensions allowing
8888         static floating-point members to have initializers and allowing
8889         floating-point literals in integral constant expressions.
8890
8891 2005-02-07  Kazu Hirata  <kazu@cs.umass.edu>
8892
8893         * cfgcleanup.c, df.h, diagnostic.c, rtl.c, tree-vectorizer.h,
8894         config/darwin7.h, config/mips/mips.c,
8895         config/rs6000/altivec.md, config/rs6000/darwin-tramp.asm:
8896         Update copyright.
8897
8898         * cse.c: Update comments.
8899
8900 2005-02-07  Richard Guenther  <rguenth@gcc.gnu.org>
8901
8902         PR middle-end/19775
8903         * builtins.c (fold_builtin_sqrt): Transform
8904         sqrt(pow(x,y)) to pow(fabs(x),y*0.5), not
8905         pow(x,y*0.5).
8906
8907 2005-02-07  Leehod Baruch  <leehod@il.ibm.com>
8908             Dorit Naishlos  <dorit@il.ibm.com>
8909
8910         * doc/invoke.texi (ftree-vectorizer-verbose): New.
8911         * opts.c (OPT_ftree_vectorizer_verbose_): New case for switch.
8912         * common.opt (ftree-vectorizer-verbose): New Flag for the vectorizer
8913         was added.
8914         * tree.h (vect_set_verbosity_level): New extern function declaration
8915         added.
8916         * tree-vectorizer.h (verbosity_levels): New enum type.
8917         * tree-vectorizer.c (vect_debug_stats): Function removed.
8918         (vect_debug_details): Likewise.
8919         (vect_verbosity_level): Global variable was defined and initialized.
8920         (vect_dump): Global variable definition.
8921         (vect_print_dump_info): New function.
8922         (vect_set_dump_settings): New function.
8923         (vect_set_verbosity_level): New function.
8924         (vectorize_loops): Add call to vect_set_dump_settings.
8925
8926         (slpeel_make_loop_iterate_ntimes): Dump condition was changed.
8927         (slpeel_tree_duplicate_loop_to_edge_cfg): Likewise.
8928         (slpeel_tree_peel_loop_to_edge): Likewise.
8929
8930         (vect_analyze_offset_expr): Call to vect_print_dump_info with
8931         appropriate verbosity level instead of call to vect_debug_details
8932         or vect_debug_stats.
8933         (vect_get_base_and_offset):
8934         (vect_create_addr_base_for_vector_ref):
8935         (get_vectype_for_scalar_type):
8936         (vect_create_data_ref_ptr):
8937         (vect_init_vector):
8938         (vect_get_vec_def_for_operand):
8939         (vect_finish_stmt_generation):
8940         (vectorizable_assignment):
8941         (vectorizable_operation):
8942         (vectorizable_store):
8943         (vectorizable_load):
8944         (vect_transform_stmt):
8945         (vect_update_ivs_after_vectorizer):
8946         (vect_do_peeling_for_loop_bound):
8947         (vect_update_inits_of_drs):
8948         (vect_do_peeling_for_alignment):
8949         (vect_transform_loop):
8950         (vect_is_simple_use):
8951         (vect_analyze_operations):
8952         (vect_is_simple_iv_evolution):
8953         (vect_analyze_scalar_cycles):
8954         (vect_analyze_data_ref_dependence):
8955         (vect_analyze_data_ref_dependences):
8956         (vect_compute_data_ref_alignment):
8957         (vect_enhance_data_refs_alignment):
8958         (vect_analyze_data_refs_alignment):
8959         (vect_analyze_data_ref_access):
8960         (vect_analyze_data_ref_accesses):
8961         (vect_analyze_pointer_ref_access):
8962         (vect_get_memtag_and_dr):
8963         (vect_analyze_data_refs):
8964         (vect_mark_relevant):
8965         (vect_stmt_relevant_p):
8966         (vect_mark_stmts_to_be_vectorized):
8967         (vect_can_advance_ivs_p):
8968         (vect_get_loop_niters):
8969         (vect_analyze_loop_form):
8970         (vect_analyze_loop):
8971         (vectorize_loops): Likewise.
8972
8973         (vect_do_peeling_for_loop_bound): Dump format slightly changed.
8974         (vect_update_inits_of_drs):
8975         (vect_do_peeling_for_alignment):
8976         (vect_transform_loop):
8977         (vect_analyze_operations):
8978         (vect_analyze_scalar_cycles):
8979         (vect_analyze_data_ref_dependences):
8980         (vect_analyze_data_refs_alignment):
8981         (vect_analyze_data_ref_accesses):
8982         (vect_analyze_data_refs):
8983         (vect_mark_stmts_to_be_vectorized):
8984         (vect_get_loop_niters):
8985         (vect_analyze_loop_form):
8986         (vect_analyze_loop): Likewise.
8987         (vect_mark_stmts_to_be_vectorized): Add call to print_generic_expr.
8988
8989 2005-02-07  Richard Sandiford  <rsandifo@redhat.com>
8990
8991         PR bootstrap/19796
8992         Revert:
8993         2005-01-26  Richard Sandiford  <rsandifo@redhat.com>
8994         * config/mips/iris6.h (ENDFILE_SPEC): Don't link in irix-csr.o if
8995         either -ffast-math or -funsafe-math-optimizations is in use.
8996
8997         2005-01-24  Richard Sandiford  <rsandifo@redhat.com>
8998         * config/mips/irix-csr.c: New file.
8999         * config/mips/t-iris6 (irix-csr.o): New rule to build it.
9000         (EXTRA_MULTILIB_PARTS): Add irix-csr.o.
9001         * config/mips/iris6.h (ENDFILE_SPEC): Include it in n32 and n64
9002         executables.
9003
9004 2005-02-07  Alexandre Oliva  <aoliva@redhat.com>
9005
9006         * config/mn10300/linux.h (LIB_SPEC, STARTFILE_SPEC): Remove
9007         redundant, incorrect definitions.
9008
9009         * config/frv/frv.md ("tls_indirect_call"): Turn into libcall-like
9010         expand.
9011         ("*tls_indirect_call"): New, reference hard regs directly.
9012         * config/frv/frv.c (gen_inlined_tls_plt): Adjust.
9013
9014 2005-02-07  Ralf Corsepius  <ralf.corsepius@rtems.org>
9015
9016         * config/arm/rtems-elf.h (SUBTARGET_EXTRA_ASM_SPEC):
9017         Let !-mhard-float !-msoft-float imply -mfpu=softfpa.
9018
9019 2005-02-06  Roger Sayle  <roger@eyesopen.com>
9020
9021         PR rtl-optimization/19800
9022         * simplify_rtx.c (simplify_relational_operation_1): Explicitly
9023         call gen_lowpart_common and gen_lowpart_SUBREG instead of calling
9024         gen_lowpart.
9025
9026 2005-02-07  Ralf Corsepius  <ralf.corsepius@rtems.org>
9027
9028         * config/m68k/t-rtems (MULTILIB_MATCHES): Let m528x match m5200.
9029
9030 2005-02-07  Joseph S. Myers  <joseph@codesourcery.com>
9031
9032         PR other/17135
9033         * doc/invoke.texi: Correct documentation of -freorder-functions.
9034
9035 2005-02-06  Joseph S. Myers  <joseph@codesourcery.com>
9036
9037         PR other/14402
9038         * doc/invoke.texi: Don't mention gccbug.
9039
9040 2005-02-06  Roger Sayle  <roger@eyesopen.com>
9041             Andrew Pinski  <pinskia@physics.uc.edu>
9042             Paolo Bonzini  <paolo.bonzini@lu.unisi.ch>
9043
9044         * simplify-rtx.c (simplify_relational_operation_1): Simplify
9045         (ne:SI (zero_extract:SI FOO (const_int 1) BAR) (const_int 0))
9046         into just (zero_extract:SI FOO (const_int 1) BAR).
9047
9048 2005-02-06  Joseph S. Myers  <joseph@codesourcery.com>
9049
9050         * doc/cpp.texi: Include gcc-common.texi.  Don't define gcctabopt
9051         macro locally.  Don't give last revision date.  Use GCC version
9052         number from gcc-common.texi.
9053         * doc/cppinternals.texi: Include gcc-common.texi.  Don't give last
9054         revision date.  Use GCC version number from gcc-common.texi.
9055         Describe being a library as current state rather than as 3.x
9056         history.
9057         * doc/gcc.texi: Remove last update date.
9058         * doc/gccint.texi: Likewise.  Update copyright dates.
9059         * doc/install.texi: Update copyright dates.
9060
9061 2005-02-06  Joseph S. Myers  <joseph@codesourcery.com>
9062
9063         PR other/7549
9064         * doc/invoke.texi: Mention for each option included in -Wall that
9065         it is included in -Wall.
9066         * doc/gcc.texi: Update copyright and last modification date.
9067
9068 2005-02-06  Zdenek Dvorak  <dvorakz@suse.cz>
9069
9070         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Do not add
9071         unnecessary cast to original induction variable increments.
9072
9073 2005-02-06  Zdenek Dvorak  <dvorakz@suse.cz>
9074
9075         PR tree-optimization/18219
9076         * tree-ssa-loop-ivopts.c (get_computation_at): Produce computations
9077         in distributed form.
9078
9079 2005-02-06  Richard Sandiford  <rsandifo@redhat.com>
9080
9081         * expmed.c (store_bit_field): Make the SUBREG code adjust bitnum.
9082         Set bitpos and offset later in the function.  Do nothing if the
9083         target is a register and if the bitfield lies completely outside
9084         that register.
9085         (extract_bit_field): Make the same SUBREG, bitpos and offset changes
9086         here.  Return an uninitialised register if the source value is stored
9087         in a register and the bitfield lies completely outside that register.
9088
9089 2005-02-06  Steven Bosscher  <stevenb@suse.de>
9090
9091         * df.c (df_insn_refs_record): Use XEXP to get the operand of a USE,
9092         not SET_DEST.
9093
9094 2005-02-06  Marcin Dalecki  <martin@dalecki.de>
9095
9096         * diagnostic.c (default_diagnostic_finalizer): Fix use of attribute.
9097
9098 2005-02-06  Geoffrey Keating  <geoffk@apple.com>
9099
9100         * config.gcc (*-*-darwin*): Separate darwin7 and darwin8 configs.
9101         * config/darwin8.h: New.
9102         * config/darwin7.h: Update comment.
9103
9104 2005-02-03  Leehod Baruch  <leehod@il.ibm.com>
9105             Dorit Naishlos  <dorit@il.ibm.com>
9106
9107         * tree-vectorizer.h (LOC): New type.
9108         (UNKNOWN_LOC, EXPR_LOC, LOC_FILE, LOC_LINE): New macros.
9109         (loop_line_number): New field in struct _loop_vec_info.
9110         (LOOP_VINFO_LOC, LOOP_LOC): New macros.
9111
9112         * tree-vectorizer.c (input.h): Included.
9113         (find_loop_location): New function.
9114         (vect_debug_stats): Argument changed from loop to LOC. Computation of
9115         loop line number removed.
9116         (vect_debug_details): Likewise.
9117         (new_loop_vec_info): Initialize new field LOOP_VINFO_LOC.
9118
9119         (slpeel_make_loop_iterate_ntimes): Call find_loop_location. Argument in
9120         call to vect_debug_details/stats changed from loop to loop_loc.
9121         (slpeel_tree_duplicate_loop_to_edge_cfg): Likewise.
9122         (slpeel_tree_peel_loop_to_edge): Likewise.
9123
9124         (vect_analyze_offset_expr): Argument in call to vect_debug_details/stats
9125         changed from NULL to UNKNOWN_LOC.
9126         (vect_get_base_and_offset):
9127         (vect_create_addr_base_for_vector_ref):
9128         (get_vectype_for_scalar_type):
9129         (vect_create_data_ref_ptr):
9130         (vect_init_vector):
9131         (vect_get_vec_def_for_operand):
9132         (vect_finish_stmt_generation):
9133         (vectorizable_assignment):
9134         (vectorizable_operation):
9135         (vectorizable_store):
9136         (vectorizable_load):
9137         (vect_transform_stmt):
9138         (vect_update_ivs_after_vectorizer):
9139         (vect_do_peeling_for_loop_bound):
9140         (vect_do_peeling_for_alignment):
9141         (vect_transform_loop):
9142         (vect_is_simple_use):
9143         (vect_analyze_operations):
9144         (vect_is_simple_iv_evolution):
9145         (vect_analyze_scalar_cycles):
9146         (vect_analyze_data_ref_dependences):
9147         (vect_compute_data_ref_alignment):
9148         (vect_enhance_data_refs_alignment):
9149         (vect_analyze_data_ref_access):
9150         (vect_analyze_data_ref_accesses):
9151         (vect_analyze_pointer_ref_access):
9152         (vect_get_memtag_and_dr):
9153         (vect_analyze_data_refs):
9154         (vect_mark_relevant):
9155         (vect_stmt_relevant_p):
9156         (vect_mark_stmts_to_be_vectorized):
9157         (vect_can_advance_ivs_p):
9158         (vect_get_loop_niters):
9159         (vect_analyze_loop):
9160         (vectorize_loops): Likewise.
9161
9162         (vectorizable_load): Argument in call to vect_debug_details/stats
9163         changed from loop to LOOP_LOC (loop_vinfo).
9164         (vect_transform_loop):
9165         (vect_analyze_operations):
9166         (vect_analyze_scalar_cycles):
9167         (vect_analyze_data_ref_dependence):
9168         (vect_enhance_data_refs_alignment):
9169         (vect_analyze_data_ref_accesses):
9170         (vect_analyze_pointer_ref_access):
9171         (vect_analyze_data_refs):
9172         (vect_analyze_loop): Likewise.
9173
9174         (vect_analyze_loop_form): Argument in call to vect_debug_details/stats
9175         changed from loop to loop_loc.
9176
9177         (vect_enhance_data_refs_alignment): Removed unused variable loop.
9178
9179 2005-02-03  Leehod Baruch  <leehod@il.ibm.com>
9180             Dorit Naishlos  <dorit@il.ibm.com>
9181
9182         * tree-vectorizer.c (vect_analyze_data_ref_dependence): Function
9183         declaration added.
9184         (vect_analyze_data_ref_dependences): Likewise.
9185
9186         (vect_is_simple_use): Argument changed from loop structure to
9187         loop_vect_info structure.
9188         (vect_can_advance_ivs_p): Likewise.
9189         (vect_create_index_for_vector_ref): Likewise.
9190         (vect_update_ivs_after_vectorizer): Likewise.
9191         (new_stmt_vec_info): Likewise.
9192
9193         (new_loop_vec_info): Second argument in call to new_stmt_vec_info was
9194         changed from loop to loop_vinfo.
9195         (vect_create_data_ref_ptr): First argument in call to
9196         vect_create_index_for_vector_ref was changed from loop to loop_vinfo.
9197         (vectorizable_assignment): Second argument in call to vect_is_simple_use
9198         was changed from loop to loop_vinfo.
9199         (vectorizable_operation): Likewise.
9200         (vectorizable_store): Likewise.
9201         (vect_mark_stmts_to_be_vectorized): Likewise.
9202         (vect_do_peeling_for_loop_bound): First argument in call to
9203         vect_update_ivs_after_vectorizer was changed from loop to loop_vinfo.
9204         (vect_analyze_operations): Argument in call to vect_can_advance_ivs_p
9205         was changed from loop to loop_vinfo.
9206         (vect_analyze_data_ref_dependences): Third argument in call to
9207         vect_analyze_data_ref_dependence was changed from loop to loop_vinfo.
9208
9209         (vect_create_index_for_vector_ref): Get the loop from loop_vinfo.
9210         (vect_create_data_ref_ptr): Likewise.
9211         (vect_init_vector): Likewise.
9212         (vect_get_vec_def_for_operand): Likewise.
9213         (vectorizable_assignment): Likewise.
9214         (vectorizable_operation): Likewise.
9215         (vectorizable_store): Likewise.
9216         (vectorizable_load): Likewise.
9217         (vect_update_ivs_after_vectorizer): Likewise.
9218         (vect_is_simple_use): Likewise.
9219         (vect_analyze_data_ref_dependence): Likewise.
9220         (vect_analyze_pointer_ref_access): Likewise.
9221         (vect_can_advance_ivs_p): Likewise.
9222
9223         * tree-vectorizer.h: (_loop_vec_info): Definition and macros moved
9224         before _stmt_vec_info.
9225         (_stmt_vec_info): Loop field replaced by loop_vec_info.
9226         (STMT_VINFO_LOOP): Replaced with STMT_VINFO_LOOP_VINFO.
9227         (new_stmt_vec_info): Argument changed from loop structure to
9228         loop_vect_info structure
9229
9230         (vect_analyze_data_ref_dependences): Unnecessary line was removed.
9231         (vect_analyze_offset_expr): Avoid 80 columns overflow.
9232         (vect_create_addr_base_for_vector_ref): Likewise.
9233         (vect_analyze_pointer_ref_access): Likewise.
9234
9235 2005-02-03  Andrew Pinski  <pinskia@physics.uc.edu>
9236
9237         PR tree-opt/19768
9238         * tree-ssa-dse.c (fix_phi_uses): Update the occurs in abnormal
9239         phi flag if the phi is abnormal.
9240
9241 2005-02-03  Andrew Pinski  <pinskia@physics.uc.edu>
9242
9243         PR tree-opt/19736
9244         * tree-ssa.c (replace_immediate_uses): Update the immediate_uses
9245         information for the new statement.
9246
9247 2005-02-03  Joseph S. Myers  <joseph@codesourcery.com>
9248
9249         PR driver/19117
9250         * gcc.c (main): Include the target in -v output.
9251
9252 2005-02-03  Alexandre Oliva  <aoliva@redhat.com>
9253
9254         * combine.c (simplify_comparison, case SIGN_EXTEND, ZERO_EXTEND):
9255         Do not drop the extend if we'd have to add a paradoxical subreg
9256         later.  Include optabs.h and insn-codes.h.
9257         * Makefile.in (combine.o): Depend on $(OPTABS_H).
9258
9259 2005-02-02  Roger Sayle  <roger@eyesopen.com>
9260
9261         PR middle-end/19405
9262         * real.h (REAL_MODE_FORMAT_COMPOSITE_P): New macro.
9263         * fold-const.c (const_binop): Avoid constant folding floating
9264         point operations in modes that use composite representations.
9265         * simplify-rtx.c (simplify_binary_operation): Likewise.
9266
9267 2005-02-02  Geoffrey Keating  <geoffk@apple.com>
9268
9269         * config/rs6000/altivec.md (altivec_dst): Make the first operand
9270         a REG, not a MEM.
9271         (altivec_dstt): Likewise.
9272         (altivec_dstst): Likewise.
9273         (altivec_dststt): Likewise.
9274         * config/rs6000/rs6000.c (altivec_expand_dst_builtin): Adjust creation
9275         of first operand.
9276
9277 2005-02-03  Dorit Naishlos  <dorit@il.ibm.com>
9278
9279         * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Copy
9280         EXPR_LOCUS from orig_cond to the new cond_stmt.
9281         (vect_finish_stmt_generation): Copy EXPR_LOCUS from stmt to
9282         the new vec_stmt.
9283
9284 2005-02-03  Dorit Naishlos  <dorit@il.ibm.com>
9285
9286         * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Call
9287         standard_iv_increment_position. Remove call to bsi_next
9288         (no need to bump the iterator anymore).
9289         (vect_create_index_for_vector_ref): Call
9290         standard_iv_increment_position. Remove second function argument.
9291         (vect_finish_stmt_generation): Remove call to bsi_next
9292         (no need to bump the iterator anymore).
9293         (vect_create_data_ref_ptr): Remove second argument (bsi) in call
9294         to vect_create_index_for_vector_ref.
9295
9296 2005-02-03  Dorit Naishlos  <dorit@il.ibm.com>
9297
9298         * tree-vectorizer.c (vect_mark_stmts_to_be_vectorized): Check if
9299         phis are used out of the loop.
9300
9301 2005-02-03  Joseph S. Myers  <joseph@codesourcery.com>
9302
9303         PR c/17807
9304         * c-decl.c (undef_nested_function): New variable.
9305         (pop_scope): Diagnose undefined nested functions.
9306         (finish_function): Don't attempt cgraph processing or genericizing
9307         if current top-level function contained an undefined nested
9308         function.  Reset undef_nested_function at the end of a top-level
9309         function.
9310
9311 2005-02-02  Zdenek Dvorak  <dvorakz@suse.cz>
9312
9313         * tree.c (build_int_cst_type): Take sign of the value into account
9314         when deciding whether sign extend the value.
9315
9316 2005-02-02  Joseph S. Myers  <joseph@codesourcery.com>
9317
9318         PR c/18502
9319         * gcc.c (cpp_unique_options): Remove %{trigraphs}.
9320         (cpp_options, cc1_options): Change %{std*&ansi} to
9321         %{std*&ansi&trigraphs}.
9322
9323 2005-02-02  Kazu Hirata  <kazu@cs.umass.edu>
9324
9325         * cse.c: Update comments.
9326
9327 2005-02-02  Aldy Hernandez  <aldyh@redhat.com>
9328
9329         * config/rs6000/rs6000.c (rs6000_spe_function_arg): Multi-reg
9330         arguments go on the stack.  Do not put complex doubles in odd/even
9331         pairs.
9332
9333 2005-02-02  Steven Bosscher  <stevenb@suse.de>
9334
9335         * doc/invoke.texi: Update the options enabled at -O1, -O2,
9336         and -O3.  Update the documentation for -fgcse-sm, -fgcse-las,
9337         -ftree-pre, and -fthread-jumps.
9338
9339 2005-02-02  Richard Sandiford  <rsandifo@redhat.com>
9340
9341         PR tree-optimization/19578
9342         * tree-flow.h (modified_noreturn_calls): Declare.
9343         (noreturn_call_p): Declare.
9344         * tree-flow-inline.h (noreturn_call_p): New function.
9345         (modify_stmt): Add modified noreturn calls to modified_noreturn_calls.
9346         * tree-cfg.c (modified_noreturn_calls): New variable.
9347         (cleanup_control_flow): Use noreturn_call_p.  Split basic blocks
9348         that contain a mid-block noreturn call.
9349         * tree-ssa.c (delete_tree_ssa): Clear modified_noreturn_calls.
9350
9351 2005-02-02  Kazu Hirata  <kazu@cs.umass.edu>
9352
9353         * df.c (df_def_record_1, df_uses_record): Don't use
9354         DF_FOR_REGALLOC.
9355         * df.h (DF_FOR_REGALLOC): Remove.
9356
9357 2005-02-02  Joseph S. Myers  <joseph@codesourcery.com>
9358
9359         PR c/19435
9360         * c-typeck.c (really_start_incremental_init): Reset
9361         constructor_max_index for arrays of incomplete type.
9362
9363 2005-02-02  Jeff Law  <law@redhat.com>
9364
9365         * gcse.c (struct reg_set): Store the block index where the register
9366         was set rather than the setting insn.
9367         (record_one_set, compute_transp): Corresponding changes.
9368         (pre_insert_copy_insn): Do not call replace_one_set.
9369         (replace_one_set): Remove.
9370
9371 2005-02-02  Joseph S. Myers  <joseph@codesourcery.com>
9372
9373         PR other/15514
9374         * doc/gcov.texi: Fix typo.
9375
9376 2005-02-01  Richard Henderson  <rth@redhat.com
9377
9378         PR target/19680
9379         * config/i386/i386.h (MODES_TIEABLE_P): Use ix86_modes_tieable_p.
9380         * config/i386/i386.c (ix86_hard_regno_mode_ok): Change return
9381         type to bool.
9382         (ix86_tieable_integer_mode_p, ix86_modes_tieable_p): New.
9383         * config/i386/i386-protos.h: Update.
9384
9385 2005-02-01  Steven Bosscher  <stevenb@suse.de>
9386
9387         PR tree-optimization/19217
9388         * tree-cfg.c (verify_expr): Use the data field to see if TP was
9389         seen inside a PHI node.  Do not do the ADDR_EXPR check if it was.
9390         (verify_stmts): Pass (void*)1 as data to verify_expr to signal
9391         that it is walking a PHI node.
9392
9393 2005-02-01  Joseph S. Myers  <joseph@codesourcery.com>
9394
9395         * doc/extend.texi (Nested Functions): Update.
9396
9397 2005-02-01  Richard Henderson  <rth@redhat.com>
9398
9399         PR 19696
9400         * optabs.c (expand_copysign_absneg): Export.
9401         * optabs.h (expand_copysign_absneg): Declare.
9402         * config/rs6000/rs6000.md (copysigntf3): New.
9403
9404 2005-02-01  Diego Novillo  <dnovillo@redhat.com>
9405
9406         PR tree-optimization/19633
9407         * tree-flow.h (struct ptr_info_def): Add field 'pt_null'.
9408         * tree-ssa-alias.c (init_alias_info): Initialize.
9409         (merge_pointed_to_info): Set.
9410         (add_pointed_to_expr): Set pt_null if EXPR is a NULL pointer.
9411         (dump_points_to_info_for): Show value of pt_null.
9412         (struct count_ptr_d): Declare.
9413         (find_ptr_dereference): Remove.
9414         (ptr_is_dereferenced_by): Remove.
9415         (count_ptr_derefs): New local function.
9416         (count_uses_and_derefs): New local function.
9417         (compute_points_to_and_addr_escape): Call it.  If the number
9418         of dereferences is greater than zero, mark the pointer as
9419         dereferenced.  If there are fewer dereferences than uses of
9420         the pointer, the pointer's value escapes.
9421
9422 2005-02-01  Diego Novillo  <dnovillo@redhat.com>
9423
9424         PR tree-optimization/19670
9425         * tree-ssa.c (verify_ssa_name): Don't set TREE_VISITED
9426         here...
9427         (verify_use): ... set it here, instead.
9428
9429 2005-02-01  Janis Johnson  <janis187@us.ibm.com>
9430
9431         * doc/sourcebuild.texi (Test directives): Fix formatting.
9432
9433         * doc/sourcebuild.texi (Test directives): Describe selector
9434         expressions.
9435
9436 2005-02-01  Segher Boessenkool  <segher@kernel.crashing.org>
9437
9438         * config.gcc (powerpc64-*-linux*): Default to -m64 also for
9439         specific 64-bit CPUs.
9440
9441 2005-02-01  Richard Earnshaw  <rearnsha@arm.com>
9442
9443         PR target/16201
9444         * arm.c (arm_eliminable_register): New function.
9445         (adjacent_mem_locations): Don't allow eliminable registers.  Use
9446         HOST_WIDE_INT for address offsets.
9447         * arm-protos.h (arm_eliminable_register): Add prototype.
9448
9449 2005-02-01  Steven Bosscher  <stevenb@suse.de>
9450
9451         PR optimization/15242
9452         * params.def (PARAM_MAX_GOTO_DUPLICATION_INSNS): New param.
9453         * basic-block.h (duplicate_computed_gotos): Add prototype.
9454         * bb-reorder.c (duplicate_computed_gotos): New function to
9455         duplicate sufficiently small blocks ending in a computed jump.
9456         * passes.c (rest_of_compilation): Call duplicate_computed_gotos
9457         if not optimizing for size.
9458         * cfgcleanup.c (try_crossjump_bb): If not optimizing for size,
9459         never do tail merging for blocks ending in a computed jump.
9460         * doc/invoke.texi: Document the max-goto-duplication-insns param.
9461
9462 2005-02-01  Eric Botcazou  <ebotcazou@libertysurf.fr>
9463
9464         Patch from Richard Sandiford <rsandifo@redhat.com>
9465         * reload1.c (choose_reload_regs): Prevent the find_equiv_reg() code
9466         from inheriting a subreg equivalence with a non-spill register.
9467
9468         * tree.h (DECL_FUNCTION_CODE): Document that it is overloaded.
9469
9470 2005-02-01  Alexandre Oliva  <aoliva@redhat.com>
9471
9472         * config/frv/frv.c (movcc_fp_destination_operand): New.
9473         (gpr_or_memory_operand): Fix typo in comment.
9474         (gpr_or_memory_operand_with_scratch): New.
9475         * config/frv/frv.h (PREDICATE_CODES): Add the two new predicates.
9476         * config/frv/frv.md (movcc_fp, movcc_fp_internal): Use
9477         movcc_fp_destination_operand.
9478         (reload_incc_fp): Use gpr_or_memory_operand_with_scratch.
9479         Legitimize memory addresses using a scratch register.
9480
9481 2005-01-31  Jeff Law  <law@redhat.com>
9482
9483         * tree-into-ssa.c (mark_def_sites_global_data): Make KILLS
9484         bitmap a sparse bitmap instead of a simple bitmap.
9485         (mark_def_sites_initialize_block):  Corresponding changes.
9486         (ssa_mark_def_sites_initialize_block): Likewise.
9487         (ssa_mark_phi_uses): Likewise.
9488         (mark_def_site, ssa_mark_def_sites): Likewise.
9489         (mark_def_site_blocks): Likewise.
9490         (rewrite_ssa_into_ssa): Likewise.
9491
9492         * tree-ssa-dom.c (record_cond): Pass correct variable type
9493         for last argument to htab_find_slot_with_hash.
9494
9495         * fold-const.c (fold, case CEIL_MOD_EXPR): Do not lose side
9496         effects when optimizing 0 % X.  Do not try to optimize X % 0.
9497
9498 2005-01-31  James E. Wilson  <wilson@specifixinc.com>
9499
9500         * config/ia64/itanium1.md (1_scall bypass): Change 2_mmalua to
9501         1_mmalua.
9502
9503 2005-02-01  Eric Christopher  <echristo@redhat.com>
9504
9505         * config/mips/mips.c (override_options): Warn if -mint64
9506         is used.
9507         * doc/invoke.texi (MIPS Options): Document that -mint64 is
9508         deprecated.
9509
9510 2005-02-01  Kazu Hirata  <kazu@cs.umass.edu>
9511
9512         * cse.c (cse_reg_info): Remove hash_next, next, regno.  Add
9513         timestamp.
9514         (cse_reg_info_list, cse_reg_info_list_free, REGHASH_SHIFT,
9515         REGHASH_SIZE, REGHASH_MASK, reg_hash, REGHASH_FN,
9516         cached_cse_reg_info, GET_CSE_REG_INFO): Remove.
9517         (cached_regno): Initialize to INVALID_REGNUM.
9518         (cse_reg_info_table_size,
9519         cse_reg_info_table_first_uninitialized,
9520         cse_reg_info_timestamp): New.
9521         (REG_TICK, REG_IN_TABLE, SUBREG_TICKED, REG_QTY): Use
9522         get_cse_reg_info.
9523         (init_cse_reg_info, get_cse_reg_info_1): New.
9524         (get_cse_reg_info): Cache the last look-up.
9525         (new_basic_block): Update the code to clear mappings from
9526         registers to cse_reg_info entries.
9527         (cse_main): Call init_cse_reg_info.
9528
9529         * cse.c (get_cse_reg_info): Update a comment.
9530
9531 2005-01-31  Steven Bosscher  <stevenb@suse.de>
9532
9533         PR c/19333
9534         * c-decl.c (start_decl): Do not warn about arrays of elements with
9535         an incomplete type here.
9536         (grokdeclarator): Do it here by making a pedwarn an error.
9537         * c-typeck.c (push_init_level): If there were previous errors with
9538         the constructor type, do not warn about braces for initializers.
9539         (process_init_element): Likewise for excess initializer elements.
9540
9541 2005-01-31  Kazu Hirata  <kazu@cs.umass.edu>
9542
9543         * cse.c (delete_trivially_dead_insn): Don't iterate.
9544
9545 2005-01-31  Andrew Pinski  <pinskia@physics.uc.edu>
9546
9547         * config/rs6000/rs6000.md (copysignsf3): New expand.
9548         (copysigndf3): Likewise.
9549
9550 2005-01-31  Steven Bosscher  <stevenb@suse.de>
9551
9552         * recog.c (constrain_operands): Only look for earlyclobber operand
9553         conflicts if an '&' constraint was seen.
9554
9555 2005-01-31  Marc Espie <espie@openbsd.org>
9556
9557         * config.gcc: Don't include embedded systems fragment, switches default
9558         debugging format to ELF.
9559         * config/i386/openbsdelf.h: Add DBX_REGISTER_NUMBER since we no
9560         longer pick it up there.
9561
9562 2005-01-31  Dale Johannesen  <dalej@apple.com>
9563
9564         * doc/extend.texi (nested functions): Fix linkage description.
9565         Clarify that static is not allowed.
9566
9567 2005-01-31  Dale Johannesen  <dalej@apple.com>
9568
9569         * config/rs6000/darwin.md (movsf_low_di):  Make work.
9570         (movdf_low_di):  Make work.
9571
9572 2005-01-31  Dale Johannesen  <dalej@apple.com>
9573
9574         * config/rs6000/darwin-tramp.asm (__trampoline_setup):
9575         Make work for 64 bit.
9576
9577 2005-01-31  Roger Sayle  <roger@eyesopen.com>
9578             Dale Johannesen  <dalej@apple.com>
9579
9580         PR middle-end/19650
9581         * fold-const.c (fold_binary_op_with_conditional_arg):
9582         Make types match original operands, before STRIP_NOPS.
9583
9584 2005-01-31  Alan Modra  <amodra@bigpond.net.au>
9585
9586         * config/rs6000/linux-unwind.h (struct gcc_vregs): New.
9587         (struct gcc_regs): Rename from gcc_pt_regs.  Add more regs.
9588         (struct gcc_sigcontext): Delete.  Merge contents to..
9589         (struct gcc_ucontext): ..here.
9590         (get_sigcontext): Delete.
9591         (get_regs): New function, like get_sigcontext but return regs ptr.
9592         64-bit version finds regs from r1 to support vdso.
9593         (ppc_linux_aux_vector): New function.
9594         (ppc_fallback_frame_state): Modify for get_regs.  Restore fprs
9595         and vector regs.
9596
9597 2005-01-31  Ira Rosen  <irar@il.ibm.com>
9598
9599         * tree-vectorizer.c (vect_analyze_offset_expr): Use ssizetype instead
9600         sizetype.
9601         (vect_get_base_and_offset): Use ssizetype instead sizetype. Remove
9602         redundant fold. Fix misalignment for MINUS_EXPR.
9603         (vect_compute_data_ref_alignment): Use ssizetype instead sizetype.
9604         (vect_analyze_pointer_ref_access): Likewise.
9605         (vect_get_memtag_and_dr): Likewise.
9606
9607 2005-01-31  Richard Henderson  <rth@redhat.com>
9608
9609         * config/i386/i386.c (absnegsf2_mixed): Remove all of the # hackery.
9610         (absnegsf2_sse, absnegsf2_i387, absnegdf2_mixed, absnegdf2_sse,
9611         absnegdf2_i387, absnegxf2_i387): Likewise.
9612
9613 2005-01-31  Richard Henderson  <rth@redhat.com>
9614
9615         PR 19696
9616         * optabs.c (expand_copysign_absneg): New.
9617         (expand_copysign_bit): Split out from ...
9618         (expand_copysign): ... here.  Use expand_copysign_absneg.
9619
9620 2005-01-30  Roger Sayle  <roger@eyesopen.com>
9621
9622         PR middle-end/19697
9623         * config/pa/pa.md (anddi3, iordi3): On HPPA64, disallow an integer
9624         constant as the second operand and a register as the third.
9625
9626 2005-01-31  Danny Smith  <dannysmith@users.sourceforge.net>
9627
9628         PR target/19704
9629         * config/i386/i386.c (ix86_function_ok_for_sibcall):  Also check
9630         that dllimport'd functions do not use all call-clobbered registers
9631         to pass parameters.
9632
9633 2005-01-30  Richard Henderson  <rth@redhat.com>
9634
9635         PR 19696
9636         * optabs.c (expand_absneg_bit): Split out from expand_unop and
9637         expand_abs_nojump and generalize.  Use operand_subword and
9638         emit_no_conflict_block.  Support large modes.
9639         (expand_abs_nojump): Use it.  Use HONOR_SIGNED_ZEROS to fall
9640         back to maximum.
9641         (expand_unop): Likewise.  Use HONOR_SIGNED_ZEROS to fall back
9642         negation to subtraction.
9643         (expand_copysign): Check that the format has signed zeros.
9644         Use operand_subword and emit_no_conflict_block.  Support large modes.
9645
9646 2005-01-30  Daniel Berlin  <dberlin@dberlin.org>
9647
9648         Fix PR tree-optimization/19624
9649
9650         * Makefile.in (tree-ssa-pre.o): Add CFGLOOP_H.
9651         * tree-ssa-pre.c: Add cfgloop.h.
9652         Update comment.
9653         (pre_stats): New member, constified.
9654         (inserted_exprs): New static variable.
9655         (NECESSARY): New macro.
9656         (create_expression_by_pieces): Fold the expression, and
9657         mark it as defaulting to not necessary. Also put in
9658         inserted_exprs.
9659         (fully_constant_expression): New function.
9660         (insert_into_preds_of_block): Modify to not insert phis when we
9661         are playing with induction variables.
9662         Push phis onto the inserted_exprs vector, and mark them as not
9663         necessary by default.
9664         (insert_aux): Call fully_constant_expression on eprime.
9665         If all edges produce the same value, mark it constant.
9666         (mark_operand_necessary): New function.
9667         (remove_dead_inserted_code): New function.
9668         (init_pre): Init loop optimizer to get loop info.
9669         (fini_pre): Free loop_optimizer, and inserted_exprs vec.
9670         (execute_pre): Commit edge inserts, then remove dead code.
9671
9672 2005-01-30  Richard Henderson  <rth@redhat.com>
9673
9674         * rtl.c (rtx_equal_p): No early exit for CONST_VECTOR.
9675         * varasm.c (const_rtx_hash_1): Handle CONST_VECTOR.
9676
9677 2005-01-30  Richard Henderson  <rth@redhat.com>
9678
9679         PR target/19700
9680         * config/i386/i386.c (ix86_expand_copysign): New.
9681         (ix86_split_copysign_const): New.
9682         (ix86_split_copysign_var): Rename from ix86_split_copysign,
9683         rearrange op1/nmask operands.
9684         * config/i386/i386-protos.h: Update.
9685         * config/i386/i386.md (copysignsf3): Use ix86_expand_copysign.
9686         (copysigndf3): Likewise.
9687         (copysignsf3_const, copysigndf3_const): New.
9688         (copysignsf3_var): Rename from copysignsf3, split out splitter
9689         and fix split predicate for X constraint.
9690         (copysigndf3_var): Similarly.
9691
9692 2005-01-30  Kazu Hirata  <kazu@cs.umass.edu>
9693
9694         * optabs.c, doc/c-tree.texi, doc/install.texi, doc/md.texi,
9695         doc/passes.texi, doc/rtl.texi, doc/sourcebuild.texi,
9696         doc/tm.texi, doc/tree-ssa.texi: Update copyright.
9697
9698 2005-01-29  Richard Henderson  <rth@redhat.com>
9699
9700         PR target/19690
9701         * config/i386/i386.md (movdf_nointeger, movdf_integer): Fix ordering
9702         of # and * in constraints.
9703
9704 2005-01-29  Richard Henderson  <rth@redhat.com>
9705
9706         PR middle-end/19689
9707         * expr.c (store_field): Don't strip sub-mode cast when the input
9708         data is even smaller.
9709
9710 2005-01-29  Richard Henderson  <rth@redhat.com>
9711
9712         PR middle-end/19687
9713         * expr.c (categorize_ctor_elements_1): Check for CONSTRUCTOR of a
9714         union being empty.
9715
9716 2005-01-29  Richard Henderson  <rth@redhat.com>
9717
9718         * combine.c (make_field_assignment): Fix argument order
9719         to gen_int_mode.
9720
9721 2005-01-29  Richard Guenther <richard.guenther@uni-tuebingen.de>
9722
9723         PR tree-optimization/15791
9724         * fold-const.c (extract_array_ref): New function.
9725         (fold): Fold comparisons between &a[i] and &a[j] or
9726         semantically equivalent trees.
9727
9728 2005-01-29  Jeff Law  <law@redhat.com>
9729
9730         * gcse.c (insert_expr_in_table): Revamp handling of available
9731         and anticipatable occurrence lists to avoid unnecessary list
9732         walking.
9733         (insert_set_in_table): Similarly.
9734
9735 2005-01-29  Joseph S. Myers  <joseph@codesourcery.com>
9736
9737         * c-common.c (fix_string_type): Just use c_build_qualified_type to
9738         build string type.
9739         (c_build_qualified_type): Build qualified array types with
9740         TYPE_MAIN_VARIANT pointing to corresponding unqualified type.
9741         * c-decl.c (c_make_fname_decl): Build unqualified array type
9742         before qualified type.
9743         (grokdeclarator): Use TYPE_MAIN_VARIANT of typedef type if element
9744         type is qualified, not just if type itself is.  Don't apply
9745         qualifiers to array type when declarator is processed.  Apply
9746         qualifiers to field type whether or not it is an array type.
9747         Don't handle array types specially for applying qualifiers to
9748         variables.
9749         * c-typeck.c (composite_type): Build unqualified element type and
9750         array type when forming composite of array types.
9751         (common_pointer_type, comptypes, comp_target_types,
9752         type_lists_compatible_p, build_indirect_ref, build_array_ref,
9753         convert_for_assignment): Don't apply TYPE_MAIN_VARIANT to array
9754         types.
9755         (type_lists_compatible_p): Cache TREE_VALUE (args1) and TREE_VALUE
9756         (args2) in variables a1 and a2.
9757
9758 2005-01-29  Kazu Hirata  <kazu@cs.umass.edu>
9759
9760         * cse.c (n_elements_made, max_elements_made): Remove.
9761         (insert): Don't touch n_elements_made.
9762         (cse_main): Don't touch n_elements_made or max_elements_made.
9763
9764 2005-01-28  Stephane Carrez  <stcarrez@nerim.fr>
9765
9766         PR target/15384
9767         * config/m68hc11/t-m68hc11-gas (dp-bit.c): Fix typo causing a
9768         configuration part of dp-bit.c to be lost.
9769
9770 2005-01-28  Roger Sayle  <roger@eyesopen.com>
9771
9772         * expmed.c (expand_mult_highpart_optab): When attempting to use
9773         a non-widening multiplication in a wider mode, the operands need
9774         to be converted (zero or sign extended) to that mode.
9775
9776 2005-01-28  Ian Lance Taylor  <ian@airs.com>
9777
9778         PR middle-end/16558
9779         PR middle-end/19583
9780         * gimple-low.c (block_may_fallthru): TRY_FINALLY_EXPR only falls
9781         through if both operands fall through.
9782
9783 2005-01-28  Kazu Hirata  <kazu@cs.umass.edu>
9784
9785         * cse.c (fold_rtx) <PC>: Don't optimize.
9786
9787 2005-01-28  Jeff Law  <law@redhat.com>
9788
9789         * fold-const.c (fold, case CEIL_MOD_EXPR): Optimize 0 % X.
9790         (case FLOOR_MOD_EXPR, ROUND_MOD_EXPR, TRUNC_MOD_EXPR): Similarly.
9791
9792 2005-01-28  Kazu Hirata  <kazu@cs.umass.edu>
9793
9794         * cse.c (cse_reg_info_free_list, cse_reg_info_used_list,
9795         cse_reg_info_used_list_end): Remove.
9796         (cse_reg_info_list, cse_reg_info_list_free): New.
9797         (get_cse_reg_info): When allocating an instance of
9798         cse_reg_info, add it to the beginning of the cse_reg_info_list
9799         list.  Remove code to maintain cse_reg_info_used_list.
9800         (new_basic_block): Reset the free list to the beginning of
9801         cse_reg_info_list.
9802
9803 2005-01-28  Richard Sandiford  <rsandifo@redhat.com>
9804
9805         * config/frv/frv.c (bdesc_2arg): Remove __MDPACKH.
9806         (frv_init_builtins): Change its prototype to take 4 uhalf arguments.
9807         (frv_expand_mdpackh_builtin): New function.
9808         (frv_expand_builtin): Use it to expand __MDPACKH.
9809         * doc/extend.texi (__MDPACKH): Update documentation.
9810
9811 2005-01-28  Uros Bizjak  <uros@kss-loka.si>
9812
9813         * config/i386/i386.c (ix86_expand_fp_absneg_operator): Use
9814         SSE_FLOAT_MODE_P for use_sse computation.
9815
9816 2005-01-28  Ralf Corsepius  <ralf.corsepius@rtems.org>
9817
9818         PR target/19663
9819         * config/sparc/rtemself.h (LINK_GCC_C_SEQUENCE_SPEC): undefine.
9820
9821 2005-01-27  Richard Henderson  <rth@redhat.com>
9822
9823         * builtins.c (expand_builtin_copysign): New.
9824         (expand_builtin): Call it.
9825         * genopinit.c (optabs): Add copysign_optab.
9826         * optabs.c (init_optabs): Initialize it.
9827         (expand_copysign): New.
9828         * optabs.h (OTI_copysign, copysign_optab): New.
9829         (expand_copysign): Declare.
9830
9831         * config/alpha/alpha.md (UNSPEC_COPYSIGN): New.
9832         (copysignsf3, ncopysignsf3, copysigndf3, ncopysigndf3): New.
9833
9834         * config/i386/i386.c (ix86_build_signbit_mask): Split from ...
9835         (ix86_expand_fp_absneg_operator): ... here.
9836         (ix86_split_copysign): New.
9837         * config/i386/i386-protos.h: Update.
9838         * config/i386/i386.md (UNSPEC_COPYSIGN): New.
9839         (copysignsf3, copysigndf3): New.
9840
9841         * config/ia64/ia64.md (UNSPEC_COPYSIGN): New.
9842         (copysignsf3, ncopysignsf3): New.
9843         (copysigndf3, ncopysigndf3): New.
9844         (copysignxf3, ncopysignxf3): New.
9845         * config/ia64/ia64.c (rtx_needs_barrier): Handle UNSPEC_COPYSIGN.
9846
9847 2005-01-27  Arend Bayer  <arend.bayer@web.de>
9848             Kazu Hirata  <kazu@cs.umass.edu>
9849
9850         * cse.c: (find_best_addr): Don't call copy_rtx before calling
9851         fold_rtx.  Save cost recomputation if fold_rtx did nothing.
9852         (fold_rtx) <ASM_OPERANDS>: Don't do anything if INSN is
9853         NULL_RTX.
9854
9855 2005-01-27  Jeff Law  <law@redhat.com>
9856
9857         * tree-into-ssa.c (ssa_rewrite_initialize_block): Do not register
9858         definitions of SSA_NAMEs which are not being rewritten.
9859         (rewrite_ssa_into_ssa): Only initialize the current definition
9860         of an SSA_NAME if that SSA_NAME has been marked for rewriting.
9861         If checking is enabled, assert that SSA_NAME_AUX is clear for all
9862         SSA_NAMEs before returning.
9863
9864 2005-01-27  Kazu Hirata  <kazu@cs.umass.edu>
9865
9866         * c-common.def, c-dump.c, c-gimplify.c, c-objc-common.c,
9867         cfgexpand.c, dbxout.c, function.h, opts.c, tree-flow-inline.h,
9868         tree-ssa-operands.h, tree-ssa-threadupdate.c, tree-tailcall.c,
9869         config/avr/avr.md, config/cris/aout.h, config/cris/cris.h,
9870         config/mips/iris6.h, config/sh/sh.c: Update copyright.
9871
9872 2005-01-27  Steven Bosscher  <stevenb@suse.de>
9873
9874         PR middle-end/17278
9875         * opts.c (decode_options): Move flag_thread_jumps from -O1 and
9876         higher to -O2 and higher.  Likewise for tree PRE.
9877         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Only iterate at -O2
9878         and better.
9879
9880 2005-01-27  Ian Lance Taylor  <ian@airs.com>
9881
9882         PR middle-end/19583
9883         * gimple-low.c (try_catch_may_fallthru): New static function.
9884         (block_may_fallthru): Handle TRY_CATCH_EXPR.
9885         * tree-inline.c (expand_call_inline): Don't warn about reaching
9886         the end of a non-void function being inlined if the function uses
9887         a return slot.
9888
9889 2005-01-27  Jakub Jelinek  <jakub@redhat.com>
9890
9891         * config/i386/i386.h (CALL_USED_REGISTERS): Fix comment pastos.
9892
9893         PR c/18946
9894         * c-decl.c (warn_if_shadowing): Handle old_decl error_mark_node.
9895         (pushdecl): Only use DECL_FILE_SCOPE_P if DECL_P.
9896         (implicitly_declare): Handle error_mark_node.
9897
9898 2005-01-27  Richard Henderson  <rth@redhat.com>
9899
9900         PR tree-opt/14329
9901         * tree.h (struct tree_decl): Add debug_expr_is_from.
9902         (DECL_DEBUG_EXPR_IS_FROM): New.
9903         (DECL_DEBUG_EXPR): Rename from DECL_DEBUG_ALIAS_OF.
9904         * dwarf2out.c (dwarf2out_var_location): Update to match.
9905         * tree-outof-ssa.c (create_temp): Likewise.
9906         * var-tracking.c (track_expr_p): Likewise.
9907         * tree-sra.c (instantiate_element): Set DECL_DEBUG_EXPR.
9908         * c-objc-common.c (c_tree_printer) <'D'>: Handle DECL_DEBUG_EXPR.
9909         * toplev.c (default_tree_printer): Likewise.
9910
9911 2005-01-27  Alexandre Oliva  <aoliva@redhat.com>
9912
9913         * config/frv/frv.c (frv_class_likely_spilled_p): Add GR8_REGS,
9914         GR9_REGS, GR89_REGS, FDPIC_FPTR_REGS, FDPIC_REGS.
9915
9916 2005-01-27  Steven Bosscher  <stevenb@suse.de>
9917
9918         * tree.h (SWITCH_COND, SWITCH_BODY, SWITCH_LABELS, CASE_LOW,
9919         CASE_HIGH, CASE_LABEL, ASM_STRING, ASM_OUTPUTS, ASM_INPUTS,
9920         ASM_CLOBBERS): Add tree checks.
9921
9922         * c-common.h (SWITCH_TYPE): Rename to SWITCH_STMT_TYPE.
9923         (SWITCH_STMT_COND, SWITCH_STMT_BODY): New.
9924         * c-common.def (SWITCH_STMT): Update to match.
9925         * c-common.c (c_do_switch_warnings): Use SWITCH_STMT accessor
9926         macros instead of SWITCH_EXPR ones.
9927         * c-dump.c (c_dump_tree): Likewise.
9928         * c-gimplify.c (gimplify_switch_stmt): Likewise.
9929         * c-typeck.c (c_start_case, do_case, c_finish_case): Likewise.
9930
9931         * doc/c-tree.texi (SWITCH_STMT): Update accessor macro names.
9932
9933 2005-01-27  Alan Modra  <amodra@bigpond.net.au>
9934
9935         * unwind-dw2.c (execute_stack_op): Add missing cases for
9936         DW_OP_shl, DW_OP_shr, DW_OP_shra, DW_OP_xor.
9937
9938 2005-01-27  Eric Botcazou  <ebotcazou@libertysurf.fr>
9939
9940         * config.gcc (Obsolete configurations): Remove 'dummy', add
9941         sparclite-*-coff*, sparclite-*-elf*, sparc86x-*-elf* and
9942         sparc-*-openbsd*.
9943
9944 2005-01-26  Diego Novillo  <dnovillo@redhat.com>
9945
9946         PR tree-optimization/19633
9947         * tree-ssa-alias.c (ptr_is_dereferenced_by): Also handle
9948         CALL_EXPRs.
9949         (maybe_create_global_var): Do not create .GLOBAL_VAR if there
9950         are no call-clobbered variables.
9951         * tree-outof-ssa.c (check_replaceable): Return false for calls
9952         with side-effects.
9953
9954 2005-01-26  Ulrich Weigand  <uweigand@de.ibm.com>
9955
9956         * dbxout.c (dbxout_symbol_location): Resolve constant pool references
9957         even for variables with NULL DECL_INITIAL.
9958
9959 2005-01-26  Stuart Hastings  <stuart@apple.com>
9960
9961         * gimplify.c (shortcut_cond_expr): Re-compute side-effects.
9962
9963 2005-01-26  Richard Henderson  <rth@redhat.com>
9964
9965         PR middle-end/18008
9966         * c-decl.c (finish_struct): Set DECL_MODE after resetting a
9967         field's type.
9968         * expr.c (store_field): Strip conversions to odd-bit-sized types
9969         if the destination field width matches.
9970
9971 2005-01-26  Richard Henderson  <rth@redhat.com>
9972
9973         * c-decl.c, expmed.c, expr.c: Revert last change.
9974
9975 2005-01-26  Richard Henderson  <rth@redhat.com>
9976
9977         PR middle-end/18008
9978         * c-decl.c (finish_struct): Set DECL_MODE after resetting a
9979         field's type.
9980         * expmed.c (store_fixed_bit_field): Create a paradoxical subreg
9981         if we don't need the bits above those present in the current mode.
9982         * expr.c (store_field): Strip conversions to odd-bit-sized types
9983         if the destination field width matches.
9984
9985 2005-01-26  Richard Sandiford  <rsandifo@redhat.com>
9986
9987         * config/mips/iris6.h (ENDFILE_SPEC): Don't link in irix-csr.o if
9988         either -ffast-math or -funsafe-math-optimizations is in use.
9989
9990 2005-01-26  Marek Michalkiewicz  <marekm@amelek.gda.pl>
9991
9992         PR target/19293
9993         PR target/19329
9994         * config/avr/avr.c (notice_update_cc): Only set condition code for
9995         ashrqi3 if shift count > 0.
9996         (out_shift_with_cnt): Handle shift count <= 0 as a no-op.
9997         (ashlqi3_out, ashlhi3_out, ashlsi3_out, ashrqi3_out, ashrhi3_out,
9998         ashrsi3_out, lshrqi3_out, lshrhi3_out, lshrsi3_out): Handle shift
9999         count <= 0 as a no-op, and shift count >= width by copying zero
10000         or sign bit to all bits of the result.
10001         * config/avr/avr.md (all shifts): Add alternatives for zero shift
10002         count, with attribute "length" set to 0 and "cc" set to "none".
10003
10004 2005-01-26  Aldy Hernandez  <aldyh@redhat.com>
10005
10006         * doc/invoke.texi: Document -mTLS.
10007
10008         * testsuite/gcc.target/frv/all-tls-global-dynamic.c: New.
10009         * testsuite/gcc.target/frv/all-tls-initial-exec.c: New.
10010         * testsuite/gcc.target/frv/all-tls-initial-exec-pic.c: New.
10011         * testsuite/gcc.target/frv/all-tls-local-dynamic.c: New.
10012         * testsuite/gcc.target/frv/all-tls-local-dynamic-plt.c: New.
10013         * testsuite/gcc.target/frv/all-tls-local-dynamic-plt-pic.c: New.
10014         * testsuite/gcc.target/frv/all-tls-local-exec.c: New.
10015         * testsuite/gcc.target/frv/all-tls-local-exec-TLS.c: New.
10016
10017         * configure.ac: Check for a TLS capable gas.
10018
10019         * configure: Regenerate.
10020
10021 2005-01-26  Richard Henderson  <rth@redhat.com>
10022
10023         PR middle-end/18008
10024         * combine.c (make_field_assignment): Simplify store to zero_extract
10025         from a source with an overlapping mask.
10026
10027 2005-01-26  Aldy Hernandez  <aldyh@redhat.com>
10028
10029         2004-11-11  Eric Christopher  <echristo@redhat.com>
10030
10031         * config/frv/frv.md: Add fr400_integer automaton. Don't
10032         allow TYPE_MUL, TYPE_MACC, or TYPE_CUT to issue in parallel
10033         to TYPE_MACC.
10034
10035 2005-01-26  Steven Bosscher  <stevenb@suse.de>
10036
10037         PR middle-end/16585
10038         * cfgbuild.c (make_edges): Do not clear or set
10039         current_function_has_computed_jump.
10040         * function.h (struct function): Remove the has_computed_jump field.
10041         (current_function_has_computed_jump): Do not define.
10042         * sched-rgn.c (is_cfg_nonregular): Return true if a basic block ends
10043         in a computed jump.  Ignore current_function_has_computed_jump.
10044
10045 2005-01-26  Richard Henderson  <rth@redhat.com>
10046
10047         PR middle-end/19515
10048         * expr.c (categorize_ctor_elements): New argument p_must_clear.
10049         (categorize_ctor_elements_1): Likewise.  Detect a union that isn't
10050         fully initialized.
10051         (mostly_zeros_p): Update for new categorize_ctor_elements argument.
10052         * gimplify.c (gimplify_init_constructor): Likewise.  Only shove
10053         objects into static storage if they have more than one non-zero value.
10054         * tree.h (categorize_ctor_elements): Update decl.
10055
10056 2005-01-26  Steven Bosscher  <stevenb@suse.de>
10057
10058         PR middle-end/19616
10059         * tree.h (CALL_EXPR_TAILCALL): Add comment.
10060         * calls.c (check_sibcall_argument_overlap_1): Revert the change
10061         to this function from 2004-07-10.
10062         * tree-tailcall.c (suitable_for_tail_opt_p): Do not consider the
10063         the current function for tail call optimizations if the address
10064         of one of it its arguments is taken.
10065
10066 2005-01-26  Kazu Hirata  <kazu@cs.umass.edu>
10067
10068         * cse.c (fold_rtx): Call equiv_constant only when necessary.
10069
10070 2005-01-26  Bernd Schmidt  <bernd.schmidt@analog.com>
10071
10072         * function.c (expand_function_end): If current_function_calls_alloca,
10073         emit stack restore in a place that is reached when the function falls
10074         through at the end.
10075
10076 2005-01-26  Alexandre Oliva  <aoliva@redhat.com>
10077
10078         * Makefile.in (../$(build_subdir)/fixincludes/fixincl): Add dummy
10079         rule to avoid matching inappropriate suffix rule.
10080
10081 2005-01-26  Jan Hubicka  <jh@suse.cz>
10082
10083         PR tree-optimization/19241
10084         * tree-inline.c (copy_body_r): Do not walk subtrees after substituting.
10085
10086 2005-01-26  Hans-Peter Nilsson  <hp@axis.com>
10087
10088         * config/cris/cris.h (LIB_SPEC) <sim*>: Use -lsyslinux, not
10089         -lsyssim.  Wrap -lc -lsyssim in --start-group --end-group instead
10090         of doubling.
10091         (STARTFILE_SPEC): Add crti.o, before crtbegin.o.
10092         <sim*>: Always use crt1.o, regardless of N in simN.
10093         <!sim>: Drop support for -pg and -p variants; always use crt0.o.
10094         (ENDFILE_SPEC): Add crtn.o, after crtend.o.
10095         (CRT_CALL_STATIC_FUNCTION): Remove.
10096         * config/cris/aout.h (STARTFILE_SPEC): <!melinux && sim*>: Always
10097         use crt1.o, regardless of N in simN.
10098         <!sim>: Drop support for -pg and -p variants; always use crt0.o.
10099         (LIB_SPEC): Do not define; default to the one in config/cris/cris.h.
10100         (CRIS_CPP_SUBTARGET_SPEC) <melinux && !nostdinc>: Remove special
10101         case isystem setting.
10102         (MAX_OFILE_ALIGNMENT): Correct to 32, not 16.
10103
10104 2005-01-25  Ian Lance Taylor  <ian@airs.com>
10105
10106         * gimple-low.c (block_may_fallthru): Correct handling of
10107         SWITCH_EXPR--may fall through if SWITCH_LABELS is NULL.
10108
10109 2005-01-26  Hans-Peter Nilsson  <hp@axis.com>
10110
10111         * config/cris/cris.h (CPP_SPEC): Adjust the various mtune=
10112         handlers to match indentation; nested under the mtune=* handler.
10113         Similar for mcpu= and march=.
10114
10115 2005-01-25  Daniel Jacobowitz  <dan@codesourcery.com>
10116
10117         * config/mips/linux.h (LIB_SPEC): Remove -rpath-link.
10118         * config/mips/linux64.h (LIB_SPEC): Likewise.
10119         * config/mn10300/linux.h (LIB_SPEC): Likewise.
10120         * config/sh/linux.h (LIB_SPEC): Likewise.
10121
10122 2005-01-25  Aldy Hernandez  <aldyh@redhat.com>
10123
10124         * config/frv/frv.c (frv_legitimize_tls_address): New.
10125         (TARGET_HAVE_TLS): Define.
10126         (FRV_SYMBOL_REF_TLS_P): Define.
10127         (frv_override_options): Handle new register classes.
10128         (frv_legitimate_address_p): Reject tls addresses.
10129         (frv_legitimize_address): Handle TLS addresses.
10130         (gen_inlined_tls_plt): New.
10131         (gen_tlsmoff): New.
10132         (frv_legitimize_tls_address): New.
10133         (unspec_got_name): Add TLS entries.
10134         (got12_operand): Add R_FRV_TLSMOFF12 case.
10135         (frv_emit_move): Fixup TLS addresses.
10136         (frv_emit_movsi): Legitimize TLS addresses.
10137
10138         * config/frv/frv.h (MASK_BIG_TLS): New.
10139         (TARGET_BIG_TLS): New.
10140         (HAVE_AS_TLS): Define.
10141         (TARGET_SWITCHES): Add -mTLS and -mtls options.
10142         (enum reg_class): Add GR8_REGS, GR9_REGS, GR89_REGS.
10143         (REG_CLASS_NAMES): Same.
10144         (REG_CLASS_CONTENTS): Same.
10145         (CONSTRAINT_LEN): New.
10146         (REG_CLASS_FROM_CONSTRAINT): New.
10147         (PREDICATE_CODES): Add symbolic_operand.
10148
10149         * config/frv/frv.md (define_constants): Add UNSPEC_GETTLSOFF,
10150         UNSPEC_TLS_LOAD_GOTTLSOFF12, UNSPEC_TLS_INDIRECT_CALL,
10151         UNSPEC_TLS_TLSDESC_LDD, UNSPEC_TLS_TLSDESC_LDD_AUX,
10152         UNSPEC_TLS_TLSOFF_LD, UNSPEC_TLS_LDDI, UNSPEC_TLSOFF_HILO,
10153         R_FRV_GOTTLSOFF_HI, R_FRV_GOTTLSOFF_LO, R_FRV_TLSMOFFHI,
10154         R_FRV_TLSMOFFLO, R_FRV_TLSMOFF12, R_FRV_TLSDESCHI,
10155         R_FRV_TLSDESCLO, R_FRV_GOTTLSDESCHI, R_FRV_GOTTLSDESCLO, GR8_REG,
10156         GR9_REG, GR14_REG, LRREG.
10157         (type): Add load_or_call attribute.
10158         ("load_or_call"): New reservation.
10159         ("call_gettlsoff"): New.
10160         ("tls_indirect_call"): New.
10161         ("tls_load_gottlsoff12"): New.
10162         ("tlsoff_hilo"): New.
10163         ("tls_tlsdesc_ldd"): New.
10164         ("tls_tlsoff_ld"): New.
10165         ("tls_lddi"): New.
10166
10167         * config/frv/frv-protos.h (symbolic_operand): Protoize.
10168
10169         2005-01-25  Alexandre Oliva  <aoliva@redhat.com>
10170
10171         * config/frv/frv.h (ASM_OUTPUT_DWARF_DTPREL): Define.
10172         * config/frv/frv-protos.h (frv_output_dwarf_dtprel): Declare.
10173         * config/frv/frv.c (TLS_BIAS): Define.
10174         (frv_output_dwarf_dtprel): New.
10175
10176 2005-01-26  Jakub Jelinek  <jakub@redhat.com>
10177
10178         PR rtl-optimization/19579
10179         * ifcvt.c (noce_try_cmove_arith): If emitting instructions to set up
10180         both A and B, see if they don't clobber registers the other expr uses.
10181
10182 2005-01-25  J"orn Rennecke <joern.rennecke@st.com>
10183
10184         * real.c (do_add): Initialize signalling and canonical members.
10185
10186         * real.c (real_from_integer): Zero out destination.
10187
10188 2005-01-18  Jan Hubicka  <jh@suse.cz>
10189
10190         PR tree-optimize/19337
10191         * tree-inline.c (initialize_inlined_parameters): Copy
10192         saved_static_chain_decl only.
10193
10194 2005-01-25  Richard Henderson  <rth@redhat.com>
10195
10196         PR target/19556
10197         PR target/19584
10198         * config/i386/i386.c (x86_inter_unit_moves): Zero.
10199         (ix86_preferred_reload_class): Rewrite fp-constant section, with
10200         80387 enabled, to return a proper subclass.  Return the subset that
10201         overlaps with GENERAL_REGS for PLUS.
10202         * config/i386/i386.md (movsi_1, movdi_2): Set type to "mmx" for pxor.
10203
10204 2005-01-25  Richard Henderson  <rth@redhat.com>
10205
10206         PR middle-end/19609
10207         * tree-complex.c (expand_complex_div_wide): Use the correct formulae.
10208
10209 2005-01-25  Roger Sayle  <roger@eyesopen.com>
10210
10211         * expmed.c (choose_multiplier): Change interface to return the
10212         multiplier lowpart as an rtx instead of an unsigned HOST_WIDE_INT.
10213         (expand_divmod): Update calls to choose_multiplier.
10214
10215 2005-01-24  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
10216
10217         PR middle-end/19330
10218         * expmed.c (extract_bit_field): Use adjust_address instead of
10219         gen_lowpart when op0 is a MEM.
10220
10221 2005-01-24  Steven Bosscher  <stevenb@suse.de>
10222
10223         * cfgexpand.c (expand_gimple_tailcall): Fix typo.
10224
10225 2005-01-24  Richard Sandiford  <rsandifo@redhat.com>
10226
10227         * config/mips/irix-csr.c: New file.
10228         * config/mips/t-iris6 (irix-csr.o): New rule to build it.
10229         (EXTRA_MULTILIB_PARTS): Add irix-csr.o.
10230         * config/mips/iris6.h (ENDFILE_SPEC): Include it in n32 and n64
10231         executables.
10232
10233 2005-01-24  Eric Botcazou  <ebotcazou@libertysurf.fr>
10234
10235         PR bootstrap/19364
10236         * config.gcc (sparc-*-elf*): Remove sol2.h, sparc/sol2.h and
10237         sparc/elf.h, add sparc/sp-elf.h.
10238         (sparc-*-rtems*): Likewise.
10239         (sparclite-*-elf*): Remove sol2.h, sparc/sol2.h, sparc/elf.h and
10240         tm-dwarf2.h, add sparc/sp-elf.h.
10241         (sparc86x-*-elf): Likewise.
10242         (sparc64-*-elf*): Remove sol2.h, sparc/sol2.h and tm-dwarf2.h.
10243         * config/sparc/liteelf.h (TARGET_SUB_OS_CPP_BUILTINS): Rename into
10244         TARGET_OS_CPP_BUILTINS.
10245         * config/sparc/sp86x-elf (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
10246         * config/sparc/rtemself.h (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
10247         Undefine it.
10248         * config/sparc/openbsd64.h (NO_IMPLICIT_EXTERN_C): Undefine.
10249         * config/sparc/sp64-elf.h (NO_IMPLICIT_EXTERN_C): New macro.
10250         (SWITCH_TAKES_ARG): Likewise.
10251         (LOCAL_LABEL_PREFIX): Likewise.
10252         (ASM_GENERATE_INTERNAL_LABEL): Likewise.
10253         (TARGET_N_FORMAT_TYPES): Delete.
10254         (TARGET_FORMAT_TYPES): Likewise.
10255         (ASM_DECLARE_FUNCTION_SIZE): Likewise.
10256         * config/sparc/elf.h: Delete.
10257         * config/sparc/sp-elf.h: New file.
10258
10259 2005-01-24  Kazu Hirata  <kazu@cs.umass.edu>
10260
10261         * tree-flow-inline.h (phi_arg_from_edge): Remove.
10262         * tree-flow.h: Remove the corresponding prototype.
10263         * tree-ssa-operands.h, tree-ssa-threadupdate.c, tree-ssa.c,
10264         tree-vectorizer.c: Use dest_idx instead of phi_arg_from_edge.
10265
10266 2005-01-24  Jakub Jelinek  <jakub@redhat.com>
10267
10268         PR target/17751
10269         * config/rs6000/rs6000.c (rs6000_file_start): Create toc section
10270         for AIX ABI or ELF -fPIC.
10271         (rs6000_emit_load_toc_table): Don't create toc_section here.
10272         (rs6000_xcoff_file_start): Nor here.
10273
10274 2005-01-24  J"orn Rennecke <joern.rennecke@st.com>
10275
10276         * sh.c (ra.h): Don't #include.
10277         (hard_regs_intersect_p): New function, resurrected from ra.c.
10278
10279         * sh.c: Fix 1996 Copyright.
10280
10281 2005-01-24  Richard Henderson  <rth@redhat.com>
10282             Aldy Hernandez  <aldyh@redhat.com>
10283
10284         * regrename.c (note_sets): Handle subregs.
10285
10286 2005-01-24  Joseph S. Myers  <joseph@codesourcery.com>
10287
10288         PR bootstrap/18058
10289         * genconditions.c (write_header, write_conditions): Elide file if
10290         not GCC >= 3.0.1.
10291
10292 2005-01-24  Kazu Hirata  <kazu@cs.umass.edu>
10293
10294         * c-opts.c, expmed.c, gengtype.c, tree-complex.c,
10295         config/arm/iwmmxt.md, config/avr/avr.c, config/s390/s390.h:
10296         Update copyright.
10297
10298 2005-01-24  Jakub Jelinek  <jakub@redhat.com>
10299
10300         * builtins.c (get_pointer_alignment, gimplify_va_arg_expr,
10301         expand_builtin_printf, expand_builtin_fprintf,
10302         expand_builtin_sprintf): Use POINTER_TYPE_P instead TREE_CODE
10303         checking against POINTER_TYPE.
10304         (validate_arglist): Handle POINTER_TYPE code by checking
10305         POINTER_TYPE_P.
10306
10307 2005-01-24  Paolo Bonzini  <bonzini@gnu.org>
10308
10309         * rtlanal.c (non_rtx_starting_operands, for_each_rtx_1,
10310         init_rtlanal): New.
10311         (for_each_rtx): Call for_each_rtx_1.
10312         * rtl.h (init_rtlanal): Declare.
10313         * toplev.c (backend_init): Call init_rtlanal.
10314
10315 2005-01-24  Jakub Jelinek  <jakub@redhat.com>
10316
10317         * flow.c (propagate_one_insn): Formatting.
10318
10319         PR middle-end/19551
10320         * flow.c (libcall_dead_p): Be more conservative if unsure.
10321         If there are any instructions between insn and call, see if they are
10322         all dead before saying the libcall is dead.
10323
10324 2005-01-24  Uros Bizjak  <uros@kss-loka.si>
10325
10326         * config/i386/i386.md (*extendsfdf2_sse): Use "nonimmediate_operand"
10327         operand constraint for operand 0.
10328
10329 2005-01-23  Richard Henderson  <rth@redhat.com>
10330
10331         PR 19486
10332         * tree-complex.c (expand_complex_div_wide): Set EDGE_FALLTHRU on
10333         edges leading to join block.
10334
10335 2005-01-23  Roger Sayle  <roger@eyesopen.com>
10336
10337         * expmed.c (expand_mult_highpart): Make static.  Change type of
10338         constant multiplier argument from unsigned HOST_WIDE_INT to rtx.
10339         (expand_divmod): Updates calls to expand_mult_highpart by using
10340         gen_int_mode to pass a CONST_INT rtx.
10341         * rtl.h (expand_mult_highpart): Remove prototype.
10342
10343 2005-01-23  Kazu Hirata  <kazu@cs.umass.edu>
10344
10345         * flow.c (regset_bytes, regset_size): Remove.
10346
10347         * cfganal.c: Fix a reference to Harvey's paper.
10348
10349 2005-01-23  Steven Bosscher  <stevenb@suse.de>
10350
10351         PR rtl-optimization/19464
10352         * tree-optimize.c (init_tree_optimization_passes): Add one more
10353         copyrename pass just before out-of-ssa.
10354
10355 2005-01-23  Joseph S. Myers  <joseph@codesourcery.com>
10356
10357         PR bootstrap/18058
10358         * recog.c (recog_memoized): Don't define if GENERATOR_FILE.
10359         * ggc-none.c (ggc_free): Define.
10360
10361 2005-01-23  Kazu Hirata  <kazu@cs.umass.edu>
10362
10363         * cse.c (max_reg, max_insn_uid): Remove.
10364         (cse_main): Don't access max_reg or max_insn_uid.
10365
10366         * c-common.c (explicit_flag_signed_bitfields,
10367         lang_statement_code_p, lang_expand_function_end): Remove.
10368         * c-common.h: Remove the corresponding declarations.
10369         * c-opts.c (c_common_handle_option): Remove all write access
10370         to explicit_flag_signed_bitfields.
10371
10372         * cgraph.c (cgraph_varpool_n_nodes): Remove.
10373         (cgraph_varpool_node): Don't access cgraph_varpool_n_nodes.
10374         * cgraph.h: Remove the corresponding declaration.
10375
10376         * gcse.c (null_pointer_info): Remove.
10377
10378 2005-01-23  Roger Sayle  <roger@eyesopen.com>
10379             Eric Botcazou  <ebotcazou@libertysurf.fr>
10380
10381         * combine.c (simplify_logical): Only simplify logical expressions
10382         of the form ior(and(x,y),z) by the inverse distributive law if the
10383         result is cheaper than the original.
10384
10385 2005-01-23  Kazu Hirata  <kazu@cs.umass.edu>
10386
10387         * alias.c, c-common.h, c-incpath.c, c-incpath.h, expr.c,
10388         fold-const.c, gimplify.c, params.h, tree-data-ref.c,
10389         tree-if-conv.c, tree-nested.c, tree-outof-ssa.c,
10390         tree-ssa-dom.c, tree-vectorizer.c, tree.def, config/darwin.c,
10391         config/freebsd-spec.h, config/arm/arm.h,
10392         config/h8300/h8300.md, config/i386/i386.md,
10393         config/i386/predicates.md, config/i386/sse.md,
10394         config/ia64/ia64.c, config/ip2k/ip2k.c, config/s390/s390.c,
10395         config/vax/vax.md: Fix comment typos.  Follow spelling
10396         conventions.
10397
10398 2005-01-23  Steven Bosscher  <stevenb@suse.de>
10399
10400         * gengtype.c (walk_type): Produce `not equal to' compares for loop
10401         tests, instead of `less than'.
10402
10403 2005-01-23  Richard Sandiford  <rsandifo@redhat.com>
10404
10405         * function.c (assign_parm_setup_block): When creating a new stack slot
10406         for a parameter, get its alignment from the parameter's DECL_ALIGN
10407         rather than the type's TYPE_ALIGN.  Make sure that the parameter
10408         is at least word aligned.
10409
10410 2005-01-22  Roger Sayle  <roger@eyesopen.com>
10411
10412         PR middle-end/19378
10413         * config/avr/avr.c (avr_hard_regno_mode_ok): Rewrite.
10414
10415 2005-01-22  Richard Henderson  <rth@redhat.com>
10416
10417         PR target/19506
10418         * config/i386/i386.md (movsfcc_1_sse_max): Use nonimmediate_operand
10419         in both compare operands.
10420         (movdfcc_1_sse_max): Likewise.
10421         (movsfcc_1_sse): Likewise.  Add earlyclobber for scratch.
10422         (movdfcc_1_sse): Likewise.
10423         * config/i386/i386.c (ix86_split_sse_movcc): Emit copies into the
10424         scratch register as needed.
10425
10426 2005-01-22  Richard Henderson  <rth@redhat.com>
10427
10428         * config/i386/i386.md (smaxsf3): Fix mnemonic typo.
10429
10430         * config/i386/i386.c (ix86_prepare_fp_compare_args): Fix is_sse test.
10431
10432 2005-01-22  Richard Henderson  <rth@redhat.com>
10433
10434         * genopinit.c (optabs): Use smin/smax for floating point too.
10435         * doc/md.texi: Update to match.  Clarify that floating point
10436         results are undefined for +0/-0 and NaN.
10437         * doc/rtl.texi: Likewise.
10438         * rtl.def (SMIN, SMAX): Likewise
10439         * tree.def (MIN_EXPR, MAX_EXPR): Likewise.
10440
10441         * config/alpha/alpha.md (smaxdf3, smindf3, smaxsf3, sminsf3): Add
10442         leading 's' to the name.
10443         * config/ia64/ia64.md (smaxsf3, sminsf3, smaxdf3, smindf3,
10444         smaxxf3, sminxf3): Likewise.
10445         * config/rs6000/rs6000.md (smaxdf3, smindf3, smaxsf3, sminsf3):
10446         Likewise.
10447
10448 2005-01-22  Paul Brook  <paul@codesourcery.com>
10449
10450         * config/arm/arm.md: Use "Uy" constraint for wcgr load/stores.
10451
10452 2005-01-21  Mark Dettinger  <dettinge@de.ibm.com>
10453
10454         * config/s390/s390.c (struct processor_costs): New fields
10455         dlgr, dlr, dr, dsgfr, dsgr.
10456         (z900_cost, z990_cost): Values for new fields.
10457         (s390_rtx_costs): New cases MEM und COMPARE in switch
10458         statement. Modified handling of SIGN_EXTEND, ZERO_EXTEND,
10459         DIV, MOD, UDIV, UMOD.
10460
10461 2005-01-21  Ulrich Weigand  <uweigand@de.ibm.com>
10462
10463         * config/s390/s390.md ("doloop_si64"): Reload input value directly
10464         into the register being decremented.
10465         ("doloop_si31", "doloop_di"): Likewise.
10466         ("*doloop_si_long"): Adapt pattern.
10467
10468 2005-01-21  Ulrich Weigand  <uweigand@de.ibm.com>
10469
10470         * config/s390/s390.h (HARD_REGNO_NREGS): Fix computation for
10471         access registers.
10472         (CLASS_MAX_NREGS): Likewise.
10473
10474 2005-01-21  Daniel Berlin  <dberlin@dberlin.org>
10475
10476         * doc/tree-ssa.texi (Statement Operands): Add example for new
10477         must-def macro. Note deprecation of old operands interface.
10478
10479 2005-01-22  Richard Sandiford  <rsandifo@redhat.com>
10480
10481         PR tree-optimization/19484
10482         * tree-cfg.c (remove_fallthru_edge): New function.
10483         (cleanup_control_flow): Remove fallthru edges from calls that are
10484         now known not to return.
10485
10486 2005-01-20  Daniel Berlin  <dberlin@dberlin.org>
10487
10488         Fix PR tree-optimization/19038
10489         * tree-ssa-dom.c (cprop_operand): Don't replace loop invaeriant
10490         copies with loop variant ones.
10491
10492 2005-01-22  Kazu Hirata  <kazu@cs.umass.edu>
10493
10494         * cfganal.c, real.h, reorg.c, timevar.def, tree-ssa-ccp.c,
10495         config/alpha/alpha-protos.h, config/alpha/alpha.h,
10496         config/alpha/alpha.md, config/alpha/predicates.md,
10497         config/sparc/freebsd.h, config/sparc/netbsd-elf.h,
10498         config/sparc/sol2.h: Update copyright.
10499
10500         * tree-cfg.c (remove_forwarder_block_with_phi): Look at the
10501         first label to see if it is a nonlocal label.
10502
10503 2005-01-22  David Edelsohn  <edelsohn@gnu.org>
10504             Andrew Pinski  <pinskia@physics.uc.edu>
10505
10506         PR target/19491
10507         * config/rs6000/rs6000.c (rs6000_va_start): Saturate n_gpr at
10508         maximum number of GPRs.  Saturate n_fpr at maximum number of FPRs.
10509
10510 2005-01-22  Ralf Corsepius  <ralf.corsepius@rtems.org>
10511
10512         * config/rs6000/rtems.h: Update copyright.
10513
10514 2005-01-22  Ralf Corsepius  <ralf.corsepius@rtems.org>
10515
10516         PR target/19548
10517         * config/rs6000/rtems.h: Resurrect cpp_os_rtems_spec from gcc < 3.4.
10518         (CPP_OS_RTEMS_SPEC): New (From gcc-3.3's config/rs6000/sys4.h).
10519         (SUBSUBTARGET_EXTRA_SPECS): Use CPP_OS_RTEMS_SPEC.
10520
10521 2005-01-22  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
10522
10523         PR c/18809
10524         * c-typeck.c (convert_arguments): Check for error_mark_node.
10525
10526 2005-01-21  Ian Lance Taylor  <ian@airs.com>
10527
10528         PR tree-optimization/13000
10529         * tree-inline.c: Include "tree-flow.h".
10530         (expand_call_inline): If warn_return_type, warn if non-void inline
10531         function falls through.
10532         * tree-cfg.c (execute_warn_function_return): Don't warn about
10533         control reaching end if TREE_NO_WARNING is set.  Set
10534         TREE_NO_WARNING.
10535         * gimple-low.c (block_may_fallthru): Don't assume that SWITCH_EXPR
10536         has been lowered.
10537         * gimplify.c (shortcut_cond_expr): Don't emit a jump over the else
10538         branch if we don't need one.
10539         * c-typeck.c: Include "tree-flow.h"
10540         (c_finish_bc_stmt): Don't add a goto if the current statement
10541         list doesn't fall through to the current point.
10542
10543 2005-01-21  Roger Sayle  <roger@eyesopen.com>
10544
10545         PR rtl-optimization/576
10546         * real.c (real_arithmetic): Change return type from void to bool
10547         to return an indication that the result may be inexact.
10548         * real.h (real_arithmeric): Update prototype.
10549         * fold-const.c (const_binop):  Don't constant fold floating
10550         point expressions when the user specifies -frounding-math and
10551         the result may depend upon the run-time rounding mode.
10552         (fold_convert_const_real_from_real): Clean-up.
10553         (fold_initializer): Ignore flag_rounding_math for initializers.
10554         * simplify-rtx.c (simplify_binary_operation): Likewise, don't
10555         constant fold FP operations with flag_rounding_math if the
10556         result may depend upon the run-time rounding mode.
10557
10558 2005-01-21  Tom Tromey  <tromey@redhat.com>
10559
10560         * c-cppbuiltin.c (define__GNUC__): Correct assertion.
10561
10562 2005-01-21  Kazu Hirata  <kazu@cs.umass.edu>
10563
10564         * tree-cfg.c: Fix comment typos.
10565
10566 2005-01-21  J"orn Rennecke <joern.rennecke@st.com>
10567
10568         * passes.c (rest_of_handle_flow2): Close / open the flow2 dump file
10569         around the call to rest_of_handle_branch_target_load_optimize.
10570
10571 2005-01-21  Eric Botcazou  <ebotcazou@libertysurf.fr>
10572
10573         * config.gcc (sparc-*-netbsdelf*): Include dbxelf.h
10574         (sparc64-*-openbsd*): Likewise.
10575         (sparclite-*-elf*): Include tm-dwarf2.h.
10576         (sparc86x-*-elf*): Likewise.
10577         (sparc64-*-elf*): Likewise.
10578         * config/sparc/linux64.h (DWARF2_DEBUGGING_INFO): Delete.
10579         (DBX_DEBUGGING_INFO): Likewise.
10580         * config/sparc/liteelf.h (DWARF2_DEBUGGING_INFO): Likewise.
10581         (PREFERRED_DEBUGGING_TYPE): Likewise.
10582         * config/sparc/netbsd-elf.h (PREFERRED_DEBUGGING_TYPE): Likewise.
10583         * config/sparc/sp64-elf.h (DBX_DEBUGGING_INFO): Likewise.
10584         (PREFERRED_DEBUGGING_TYPE): Likewise.
10585         * config/sparc/sp86x-elf.h (DWARF2_DEBUGGING_INFO): Likewise.
10586         (PREFERRED_DEBUGGING_TYPE): Likewise.
10587         * config/sparc/sparc.h (DBX_DEBUGGING_INFO): Likewise.
10588
10589 2005-01-21  Hans-Peter Nilsson  <hp@bitrange.com>
10590
10591         PR target/18701
10592         * combine.c (combine_simplify_rtx): Revert change of 2004-12-31.
10593
10594 2005-01-20  Paul Brook  <paul@codesourcery.com>
10595
10596         * doc/rtl.texi: Document value extension requirements for CONST_INT.
10597
10598 2005-01-20  Kazu Hirata  <kazu@cs.umass.edu>
10599
10600         * tree-cfg.c (tree_verify_flow_info): Check that a nonlocal
10601         label is first in a sequence of labels.
10602
10603         * tree-cfg.c (tree_verify_flow_info): Fix a typo.
10604
10605 2005-01-20  Janis Johnson  <janis187@us.ibm.com>
10606             Giovanni Bajo  <giovannibajo@gcc.gnu.org>
10607
10608         * doc/sourcebuild.texi (Test Directives): New.
10609
10610 2005-01-20  Roger Sayle  <roger@eyesopen.com>
10611
10612         * real.c (real_floor): Don't leave the result uninitialized when
10613         mode is VOIDMode, but return the unrounded intermediate value.
10614         (real_ceil): Likewise.
10615
10616 2005-01-20  Paul Brook  <paul@codesourcery.com>
10617
10618         * config/arm/arm.md (insv): Use gen_int_mode.
10619
10620 2005-01-20  Eric Botcazou  <ebotcazou@libertysurf.fr>
10621
10622         * config/sparc/freebsd.h (ASM_OUTPUT_INTERNAL_LABELREF): Delete.
10623         * config/sparc/linux.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
10624         * config/sparc/linux64.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
10625         * config/sparc/netbsd-elf.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
10626         * config/sparc/sol2.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
10627
10628 2005-01-20  Daniel Berlin  <dberlin@dberlin.org>
10629
10630         Fix PR debug/19124
10631         * dwarf2out.c (concat_loc_descriptor): We don't know we can use
10632         fbreg, so we have to assume we can't.
10633         (loc_descriptor_from_tree_1): Ditto.
10634         (containing_function_has_frame_base): New function.
10635         (add_location_or_const_value_attribute): Use it.
10636         Also try to generate a frame_base from a single element location
10637         list.
10638
10639 2005-01-20  Kazu Hirata  <kazu@cs.umass.edu>
10640
10641         PR tree-optimization/15349
10642         * timevar.def (TV_TREE_MERGE_PHI): New.
10643         * tree-cfg.c (tree_forwarder_block_p): Add a new argument
10644         PHI_WANTED.
10645         (remove_forwarder_block, cleanup_forwarder_blocks): Adjust the
10646         calls to tree_forwarder_block_p.
10647         (remove_forwarder_block_with_phi, merge_phi_nodes,
10648         gate_merge_phi, pass_merge_phi): New.
10649         * tree-optimize.c (init_tree_optimization_passes): Add
10650         pass_merge_phi.
10651         * tree-pass.h: Add an extern for pass_merge_phi;
10652
10653 2005-01-20  Richard Henderson  <rth@redhat.com>
10654
10655         PR target/19418
10656         * config/i386/emmintrin.h (_mm_castpd_ps, _mm_castpd_si128): New.
10657         (_mm_castps_pd, _mm_castps_si128): New.
10658         (_mm_castsi128_ps, _mm_castsi128_pd): New.
10659
10660 2005-01-20  Richard Henderson  <rth@redhat.com>
10661
10662         PR target/19530
10663         * config/i386/mmintrin.h (_mm_cvtsi32_si64): Use
10664         __builtin_ia32_vec_init_v2si.
10665         (_mm_cvtsi64_si32): Use __builtin_ia32_vec_ext_v2si.
10666         * config/i386/i386.c (IX86_BUILTIN_VEC_EXT_V2SI): New.
10667         (ix86_init_mmx_sse_builtins): Create it.
10668         (ix86_expand_builtin): Expand it.
10669         (ix86_expand_vector_set): Handle V2SFmode and V2SImode.
10670         * config/i386/mmx.md (vec_extractv2sf_0, vec_extractv2sf_1): New.
10671         (vec_extractv2si_0, vec_extractv2si_1): New.
10672
10673 2005-01-20  Richard Henderson  <rth@redhat.com>
10674
10675         PR target/16533
10676         * config/i386/i386.c (ix86_expand_push): New.
10677         * config/i386/mmx.md (push<MMXMODE>1): New.
10678         * config/i386/sse.md (push<SSEMODE>1): New.
10679         * config/i386/i386-protos.h: Update.
10680
10681 2005-01-20  Kazu Hirata  <kazu@cs.umass.edu>
10682
10683         * params.def, params.h, predict.c, tree-ssa-loop-im.c: Update
10684         copyright.
10685
10686 2005-01-20  Richard Henderson  <rth@redhat.com>
10687
10688         * rtl.def (CONST_VECTOR): Use RTX_CONST_OBJ.
10689         * rtl.h (CONSTANT_P): Don't special case CONST_VECTOR.
10690
10691 2005-01-19  Richard Henderson  <rth@redhat.com>
10692
10693         PR target/19350
10694         * config/i386/i386.c (ix86_expand_vector_move_misalign): Convert
10695         to V4SFmode in SSE1 fallback load path.
10696
10697 2005-01-19  Richard Henderson  <rth@redhat.com>
10698
10699         * config/i386/i386.c (ix86_expand_vector_init_one_var): Fix typo
10700         in QImode expansion to ix86_expand_vector_set.
10701         (ix86_expand_vector_init_general): Fix typo in V8HImode recursive call.
10702
10703 2005-01-19  Richard Henderson  <rth@redhat.com>
10704
10705         PR target/19511
10706         * config/i386/i386.c (ix86_preferred_reload_class): Return a proper
10707         subclass of the input class.
10708         (ix86_secondary_memory_needed): Always true for cross-MMX classes.
10709         Always true for cross-SSE1 classes.  Rationalize conditionals.
10710         * config/i386/i386.h (SSE_CLASS_P, MMX_CLASS_P): Use straight equality.
10711         * config/i386/i386.md (movsi_1): Add MMX/SSE zeros.  Fix alternatives
10712         for SSE1.  Don't check TARGET_INTER_UNIT_MOVES.
10713         (movdi_2): Add MMX/SSE zeros.
10714         (movdi_1_rex64): Likewise.  Don't check TARGET_INTER_UNIT_MOVES.
10715         (movsf_1): Don't check TARGET_INTER_UNIT_MOVES.
10716         (zero_extendsidi2_32, zero_extendsidi2_rex64): Likewise.
10717         (movsi_1_nointernunit, movdi_1_rex64_nointerunit): Remove.
10718         (movsf_1_nointerunit, zero_extendsidi2_32_1): Remove.
10719         (zero_extendsidi2_rex64_1): Remove.
10720         (MOV0 peephole): Check GENERAL_REG_P.
10721
10722 2005-01-19  Richard Henderson  <rth@redhat.com>
10723
10724         PR target/19427
10725         * config/i386/i386.c (ix86_expand_vector_set): Fix third and fourth
10726         shufps elements.
10727         (ix86_expand_vector_extract): Likewise.
10728
10729 2005-01-19  Richard Henderson  <rth@redhat.com>
10730
10731         PR middle-end/19304
10732         * expr.c (emit_move_change_mode): New argument force; use
10733         simplify_gen_subreg if true.
10734         (emit_move_via_alt_mode): Merge into ...
10735         (emit_move_via_integer): ... here.
10736         (emit_move_ccmode): Use emit_move_change_mode directly.
10737
10738 2005-01-19  Richard Henderson  <rth@redhat.com>
10739
10740         PR target/19518
10741         * config/alpha/alpha.c (alpha_rtx_costs): Handle HIGH.
10742         (alpha_preferred_reload_class): Handle CONST_VECTOR.
10743         (alpha_emit_set_const_1): Add no_output parameter; don't emit
10744         rtl if true.
10745         (alpha_emit_set_const): Likewise.  Make static.
10746         (alpha_emit_set_long_const): Make static.
10747         (alpha_extract_integer): Split out from alpha_expand_mov.
10748         (alpha_split_const_mov): Likewise.
10749         (alpha_expand_mov): Use them.  Handle CONST_VECTOR.
10750         (alpha_legitimate_constant_p): New.
10751         * config/alpha/alpha-protos.h: Update.
10752         * config/alpha/alpha.h (REGISTER_MOVE_COST): Correct fp<->gp cost.
10753         (LEGITIMATE_CONSTANT_P): Re-implement with a function.
10754         * config/alpha/alpha.md (movsi): Add n alternative.
10755         (movsi_nt_vms, movdi_er_nofix, movdi_er_fix, movdi_fix): Likewise.
10756         (mov<VEC>_fix, mov<VEC>_nofix): Add i alternative.
10757         (splitters for all of the above): Use alpha_split_const_mov.
10758         * config/alpha/predicates.md (non_add_const_operand): New.
10759         (non_zero_const_operand): New.
10760         (input_operand): Use alpha_legitimate_constant_p after reload.
10761
10762 2005-01-19  Zdenek Dvorak  <dvorakz@suse.cz>
10763
10764         PR tree-optimization/19038
10765         * tree-ssa-loop-ivopts.c (allow_ip_end_pos_p): New function.
10766         (add_candidate): Add ivs with increment in latch only if
10767         allow_ip_end_pos_p is true.
10768         (determine_iv_cost): Use empty_block_p.
10769
10770 2005-01-19  Daniel Berlin  <dberlin@dberlin.org>
10771
10772         * cfganal.c (compute_dominance_frontiers_1): Replace with new algorithm
10773         (compute_dominance_frontiers): Ditto.
10774
10775 2005-01-19  Ralf Corsepius  <ralf.corsepius@rtems.org>
10776
10777         PR target/19529
10778         * config/sh/t-rtems: New.
10779         * config.gcc (sh-*-rtems*): Reflect having added config/sh/t-rtems.
10780
10781 2005-01-19  Zdenek Dvorak  <dvorakz@suse.cz>
10782
10783         * tree-ssa-ccp.c (maybe_fold_offset_to_component_ref): Always subtract
10784         the offset of the selected field.
10785
10786 2005-01-19  Kazu Hirata  <kazu@cs.umass.edu>
10787
10788         * tree-cfg.c (remove_forwarder_block): Fix the check to
10789         prevent a nonlocal label from appearing in the middle of a
10790         basic block.
10791
10792 2005-01-19  Hans-Peter Nilsson  <hp@axis.com>
10793
10794         PR rtl-optimization/19462
10795         * reorg.c (find_end_label): Create return insn only if
10796         current_function_epilogue_delay_list is empty.
10797
10798 2005-01-19  Paolo Bonzini  <bonzini@gnu.org>
10799
10800         * doc/passes.texi: Remove paragraph mentioning new-ra.
10801
10802 2005-01-19  Jakub Jelinek  <jakub@redhat.com>
10803
10804         PR rtl-optimization/15139
10805         * combine.c: Include params.h.
10806         (count_rtxs): New function.
10807         (record_value_for_reg): If replace_rtx would replace at least
10808         2 occurrences of REG in VALUE and TEM is really large, replace REG with
10809         (clobber (const_int 0)) instead of TEM.
10810         * params.def (PARAM_MAX_LAST_VALUE_RTL): New.
10811         * params.h (MAX_LAST_VALUE_RTL): New.
10812         * Makefile.in (combine.o): Depend on $(PARAMS_H).
10813         * doc/invoke.texi (--param max-last-value-rtl=N): Document.
10814
10815         PR c/17297
10816         * c-typeck.c (digest_init): Only call build_vector if all constructor
10817         elements are *_CST nodes.
10818         * gimplify.c (gimplify_init_constructor): Likewise.
10819
10820         PR middle-end/19164
10821         * c-typeck.c (digest_init): Only call build_vector if inside_init
10822         is a CONSTRUCTOR.
10823
10824 2005-01-18  Tobias Schl"uter  <tobias.schlueter@physik.uni-muenchen.de>
10825
10826         * toplev.c (init_asm_output): Remove dead #ifdef.
10827
10828 2005-01-18  Kaz Kojima  <kkojima@gcc.gnu.org>
10829
10830         * config/sh/linux.h (TARGET_C99_FUNCTIONS): Define.
10831
10832 2005-01-18  Eric Botcazou  <ebotcazou@libertysurf.fr>
10833
10834         * calls.c (expand_call): Check DECL_BUILT_IN_CLASS before
10835         accessing DECL_FUNCTION_CODE.
10836         * dojump.c (do_jump): Likewise.
10837         * gimplify.c (gimplify_call_expr): Likewise.
10838         * predict.c (expr_expected_value): Likewise.
10839         (strip_builtin_expect): Likewise.
10840         * tree-inline.c (estimate_num_insns_1): Likewise.
10841         * tree-ssa-loop-im.c (stmt_cost): Likewise
10842         * fold-const.c (fold): Test for BUILT_IN_NORMAL.
10843         (tree_expr_nonnegative_p): Likewise.
10844
10845 2005-01-18  Eric Botcazou  <ebotcazou@libertysurf.fr>
10846
10847         * config/sparc/sparc.c (load_pic_register): Emit the appropriate
10848         variant of the load_pcrel_sym pattern.
10849         * config/sparc/sparc.md (P macro): Move to the top.
10850         (load_pcrel_sym): Macroize using P.
10851         (save_register_window): Likewise.
10852
10853 2005-01-18  Aldy Hernandez  <aldyh@redhat.com>
10854
10855         * config/rs6000/rs6000.md ("sunordered"): Disable for e500.
10856         ("sordered"): Same.
10857
10858 2005-01-18  Andrew Pinski  <pinskia@physics.uc.edu>
10859
10860         PR C/19472
10861         * c-typeck.c (build_asm_expr): Strip nops off
10862         input memory operands.
10863
10864 2005-01-18  David Edelsohn  <edelsohn@gnu.org>
10865
10866         * config/rs6000/aix43.h (CPLUSPLUS_CPP_SPEC): Delete
10867         _XOPEN_SOURCE, _XOPEN_SOURCE_EXTENDED, _LARGE_FILE_API.
10868         * config/rs6000/aix51.h (CPLUSPLUS_CPP_SPEC): Same.
10869         * config/rs6000/aix52.h (CPLUSPLUS_CPP_SPEC): Same.
10870
10871 2005-01-18  Joel Sherrill <joel.sherrill@oarcorp.com>
10872
10873         PR target/19379
10874         * config/i386/i386.c (override_options): If the 80387 is disabled,
10875         then do not return FP values using FP registers.
10876
10877 2005-01-18  Kazu Hirata  <kazu@cs.umass.edu>
10878
10879         * basic-block.h, c-common.c, c-cppbuiltin.c, c-lang.c,
10880         c-tree.h, cfgbuild.c, cgraph.c, cgraph.h, collect2.c,
10881         combine.c, config.gcc, coverage.h, cse.c, cselib.c,
10882         defaults.h, df.c, dwarf2asm.c, dwarf2out.c, explow.c, expr.c,
10883         flow.c, fold-const.c, gcse.c, ggc-page.c, gimple-low.c,
10884         gimplify.c, ifcvt.c, langhooks-def.h, lcm.c, optabs.h,
10885         output.h, postreload-gcse.c, postreload.c, recog.c,
10886         resource.c, rtl.def, rtlanal.c, sched-deps.c, sched-rgn.c,
10887         targhooks.h, toplev.c, tree-data-ref.c, tree-eh.c,
10888         tree-flow.h, tree-loop-linear.c, tree-mudflap.h, tree-nrv.c,
10889         tree-optimize.c, tree-outof-ssa.c, tree-pass.h,
10890         tree-scalar-evolution.c, tree-ssa-copy.c, tree-ssa-dce.c,
10891         tree-ssa-dse.c, tree-ssa-loop-ivopts.c, tree-ssa-operands.c,
10892         tree-ssa-pre.c, tree-ssa.c, tree-vectorizer.c, tree.def,
10893         unwind-dw2-fde-darwin.c, var-tracking.c: Update copyright.
10894
10895         * config/darwin.c, config/darwin.h, config/freebsd-spec.h,
10896         config/alpha/alpha.c, config/arm/vfp.md,
10897         config/i386/emmintrin.h, config/i386/i386-modes.def,
10898         config/i386/i386-protos.h, config/i386/i386.h,
10899         config/i386/pmmintrin.h, config/i386/ppro.md,
10900         config/i386/predicates.md, config/i386/xmmintrin.h,
10901         config/i860/i860.c, config/ia64/ia64-modes.def,
10902         config/ia64/ia64-protos.h, config/ia64/ia64.h,
10903         config/ia64/ia64.md, config/ia64/itanium1.md,
10904         config/ia64/itanium2.md, config/ia64/predicates.md,
10905         config/iq2000/iq2000.h, config/mips/linux64.h,
10906         config/rs6000/aix41.h, config/rs6000/aix43.h,
10907         config/rs6000/aix52.h, config/rs6000/darwin-fallback.c,
10908         config/rs6000/rs6000.c, config/rs6000/rs6000.h,
10909         config/rs6000/spe.md, config/sh/sh.md, config/sparc/linux.h,
10910         config/sparc/linux64.h, config/sparc/litecoff.h,
10911         config/sparc/sp64-elf.h, config/sparc/sparc.c,
10912         config/sparc/sparc.h, config/sparc/sparc.md,
10913         config/sparc/sysv4-only.h: Update copyright.
10914
10915 2005-01-18  Richard Henderson  <rth@redhat.com>
10916
10917         PR target/19496
10918         * config/i386/i386.c (ix86_expand_fp_movcc): Fail for LTGT and UNEQ.
10919
10920 2005-01-18  Marc Espie  <espie@openbsd.org>
10921         * config/i386/openbsdelf.h: Typo.
10922
10923 2005-01-18  Richard Henderson  <rth@redhat.com>
10924
10925         * config/i386/i386.c (ix86_expand_fp_movcc): Remove TARGET_IEEE_FP
10926         special case for sse.
10927         * config/i386/predicates.md (sse_comparison_operator): Likewise.
10928
10929 2005-01-18  Dorit Naishlos  <dorit@il.ibm.com>
10930
10931         * tree-inline.c (estimate_num_insns_1): Added cases for
10932         ALIGN_INDIRECT_REF, MISALIGNED_INDIRECT_REF, and REALIGN_LOAD_EXPR.
10933
10934 2005-01-18  Eric Botcazou  <ebotcazou@libertysurf.fr>
10935
10936         PR rtl-optimization/19296
10937         * combine.c (simplify_comparison): Rewrite the condition under
10938         which a non-paradoxical SUBREG of a PLUS can be lifted when
10939         compared against a constant.
10940
10941 2005-01-18  Andi Kleen <ak@muc.de>
10942
10943         * c-typeck.c: (convert_for_assignment): Check warn_pointer_sign.
10944         * c.opt (-Wpointer-sign): Add.
10945         * doc/invoke.texi: (-Wpointer-sign): Add.
10946
10947 2005-01-18  Uros Bizjak  <uros@kss-loka.si>
10948
10949         * config/i386/i386.c (override_options): Revert 2004-11-24 change.
10950         * config/i386/i386.md (fmodsf3, dremsf3, *sinsf2, *cossf2, sincossf3,
10951         *tansf3_1, tansf2, atan2sf3_1, atan2sf3, atansf2, asinsf2, acossf2,
10952         logsf2, log10sf2, log2sf2, log1psf2, logbsf2, ilogbsf2, expsf2,
10953         exp10sf2, exp2sf2, expm1sf2, rintsf2, floorsf2, ceilsf2, btruncsf2,
10954         nearbyintsf2): Disable for TARGET_SSE_MATH.  Leave patterns enabled
10955         for TARGET_MIX_SSE_I387.
10956         (fmoddf3, dremdf3, *sindf2, *sinextendsfdf2, *cosdf2, *cosextendsfdf2,
10957         sincosdf3, *sincosextendsfdf3, *tandf3_1, tandf2, atan2df3_1,
10958         atan2df3, atandf2, asindf2, acosdf2, logdf2, log10df2, log2df2,
10959         log1pdf2, logbdf2, expdf2, exp10df2, exp2df2, expm1df2, rintdf2,
10960         floordf2, ceildf2, btruncdf2, nearbyintdf2): Disable for
10961         (TARGET_SSE2 && TARGET_SSE_MATH).  Leave patterns enabled for
10962         TARGET_MIX_SSE_I387.
10963         (atan2sf3, atan2df3, atan2xf3): Remove register constraints
10964         from expander.
10965
10966 2005-01-18  Uros Bizjak  <uros@kss-loka.si>
10967
10968         PR target/19424
10969         * config/i386/mmx.md (*movv2sf_internal_rex64, *movv2sf_internal):
10970         Add movaps alternative for xmm reg->reg move.
10971
10972 2005-01-17  Jeff Law  <law@redhat.com>
10973
10974         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Clear SSA_NAME_VALUE
10975         at the end of the main DOM loop rather than just before DOM exits.
10976
10977 2005-01-17  Diego Novillo  <dnovillo@redhat.com>
10978
10979         PR tree-optimization/19121
10980         * tree-ssa-alias.c (compute_flow_sensitive_aliasing): When
10981         adding aliases to a name tag, also add them to the pointer's
10982         type tag.
10983         * tree-ssa-copy.c (merge_alias_info): Do not merge flow
10984         sensitive alias info at all.  Only check that the two pointers
10985         have compatible pointed-to sets.
10986         * tree-ssa.c (verify_name_tags): Verify that the alias set of
10987         a pointer's type tag is a superset of the alias set of the
10988         pointer's name tag.
10989
10990 2005-01-17  James E Wilson  <wilson@specifixinc.com>
10991
10992         PR target/19357
10993         * config/ia64/ia64.md (movxf): Handle general register source.  Adjust
10994         comment to document why.
10995
10996 2005-01-17  Richard Henderson  <rth@redhat.com>
10997
10998         * config/i386/sse.md (smaxv4sf3_finite, sse_vmsmaxv4sf3_finite,
10999         sminv4sf3_finite, sse_vmsminv4sf3_finite, smaxv2df3_finite,
11000         sse2_vmsmaxv2df3_finite, sminv2df3_finite,
11001         sse2_vmsminv2df3_finite): New.
11002         (smaxv4sf3, sse_vmsmaxv4sf3, sminv4sf3, sse_vmsminv4sf3, smaxv2df3,
11003         sse2_vmsmaxv2df3, sminv2df3, sse2_vmsminv2df3): Remove commutative.
11004         Force op1 into register.
11005
11006 2005-01-17  Kelley Cook  <kcook@gcc.gnu.org>
11007
11008         * Makefile.in (STAGEMOVESTUFF): Stage all the stamp files to prevent
11009         bubblestrap from always rebuilding build directory.
11010
11011 2005-01-17  Ulrich Weigand  <uweigand@de.ibm.com>
11012
11013         * config/s390/s390.md ("*clc"): Remove incorrect '='.
11014         ("*cmpmem_short"): Likewise.
11015
11016 2005-01-17  Steven Bosscher  <stevenb@suse.de>
11017
11018         * basic-block.h: Document BB_* flags.
11019         * regrename.c (copyprop_hardreg_forward): Don't use BB_VISITED,
11020         use an sbitmap instead.
11021         * sched-rgn.c (compute_trg_info): Likewise.
11022
11023 2005-01-17  Richard Sandiford  <rsandifo@redhat.com>
11024
11025         * config.gcc (mips64*-*-linux*): Set the default abi to n32.  Remove
11026         redundant target_cpu_default and extra_parts lines.  Use the default
11027         "from-abi" ISA.
11028         * config/mips/linux64.h (DRIVER_DEFAULT_ABI_SELF_SPEC): Delete.
11029         (SUBTARGET_EXTRA_SPECS): Delete.
11030         (DRIVER_SELF_SPECS): Remove architecture lines.  Set the ABI directly.
11031         (SUBTARGET_ASM_SPEC): Remove -mabi=n32 and -mabi=64 mappings.
11032         * config/mips/t-linux64 (MULTILIB_DIRNAMES): Use "32" for -mabi=32
11033         and "n32" for -mabi=n32.
11034
11035 2005-01-17  Ian Lance Taylor  <ian@airs.com>
11036
11037         PR c/5675
11038         * c-typeck.c (build_c_cast): Revert patch of 2003-02-16: don't
11039         fold constant variables into initial values.
11040
11041 2005-01-17  Kazu Hirata  <kazu@cs.umass.edu>
11042
11043         * tree-cfg.c (tree_can_merge_blocks_p): Reorder two checks.
11044
11045         * tree-cfg.c (tree_forwarder_block_p): Speed up by walking
11046         through the statements backward.
11047
11048 2005-01-17  Ian Lance Taylor  <ian@airs.com>
11049
11050         PR middle-end/13127:
11051         * tree-inline.c (expand_call_inline): Set TREE_NO_WARNING on
11052         a variable set to the return value of the inlined function.
11053
11054 2005-01-17  Mark Dettinger  <dettinge@de.ibm.com>
11055
11056         * rtlanal.c (rtx_cost): Assign cost of 0 to a SUBREG
11057         when modes are tieable.
11058
11059 2005-01-17  Ranjit Mathew  <rmathew@hotmail.com>
11060
11061         * gthr-posix.h (__gthread_active_p): Use pthread_cancel instead
11062         of pthread_create to find out if threads are enabled.
11063         * gthr-posix95.h (__gthread_active_p): Likewise.
11064
11065 2005-01-17  Paolo Bonzini  <bonzini@gnu.org>
11066
11067         * common.opt (-fnew-ra): Remove.
11068         * ra*.*: Remove.
11069         * toplev.h (flag_new_regalloc): Remove.
11070         * Makefile.in (ra*.*): Don't mention.
11071         * passes.c (rest_of_handle_new_regalloc): Remove.
11072         (rest_of_handle_combine, rest_of_compilation): Always consider
11073         flag_new_regalloc as false.
11074         * doc/invoke.texi: Don't document -fnew-ra.
11075
11076 2005-01-17  Paolo Bonzini <bonzini@gnu.org>
11077
11078         * bb-reorder.c (fix_edges_for_rarely_executed_code): Remove
11079         last parameter to reg_scan.
11080         * loop.c (loop_optimize): Likewise.
11081         * passes.c (rest_of_handle_tracer, rest_of_handle_if_conversion,
11082         rest_of_handle_web, rest_of_handle_cfg, rest_of_handle_jump_bypass,
11083         rest_of_handle_life, rest_of_handle_cse, rest_of_handle_cse2,
11084         rest_of_handle_gcse, rest_of_handle_loop_optimize,
11085         rest_of_handle_loop2, rest_of_handle_jump2): Likewise.
11086         * regclass.c (reg_scan): Likewise, for the declaration.
11087         * rtl.h (reg_scan): Likewise, for the prototype.
11088
11089 2005-01-17  Kazu Hirata  <kazu@cs.umass.edu>
11090
11091         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Don't call
11092         mark_dfs_back_edges.
11093
11094 2005-01-16  Daniel Berlin  <dberlin@dberlin.org>
11095
11096         * tree-ssa-pre.c (add_to_sets): s1 may be NULL.
11097         (compute_avail): Uses don't go in tmp_gen.
11098
11099 2005-01-16  Steven Bosscher  <stevenb@suse.de>
11100
11101         * ggc-page.c (ggc_alloc_stat): Use __builtin_ctzl instead of a
11102         loop to look for a free slot in a page entry.
11103
11104 2005-01-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
11105
11106         PR target/16304
11107         * defaults.h (TARGET_DEFERRED_OUTPUT_DEFS): Provide default.
11108         * toplev.c (compile_file): Call process_pending_assemble_output_defs
11109         just before targetm.asm_out.file_end.
11110         * tree.h (process_pending_assemble_output_defs): Declare.
11111         * varasm.c (assemble_output_def, process_pending_assemble_output_defs):
11112         New functions.
11113         (assemble_alias): Defer generation of assembly code for defines when
11114         TARGET_DEFERRED_OUTPUT_DEFS is true.
11115         * config/rs6000/aix41.h (TARGET_DEFERRED_OUTPUT_DEFS): Define.
11116         * config/rs6000/aix43.h (TARGET_DEFERRED_OUTPUT_DEFS): Define.
11117         * doc/tm.texi (TARGET_DEFERRED_OUTPUT_DEFS): document.
11118
11119 2005-01-15  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
11120
11121         PR target/19336
11122         * pa.c (pa_scalar_mode_supported_p): New function.
11123         (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
11124         * pa.h (MIN_UNITS_PER_WORD): Add comment.
11125
11126         * pa-protos.h (prefetch_operand): Delete.
11127         (prefetch_cc_operand, prefetch_nocc_operand): New declations.
11128         * pa.c (prefetch_operand): Delete.
11129         (prefetch_cc_operand, prefetch_nocc_operand): New functions.
11130         * pa.h (EXTRA_CONSTRAINT): Add `W' constraint.
11131         (PREDICATE_CODES): Delete prefetch_operand.  Add prefetch_cc_operand
11132         and prefetch_nocc_operand.
11133         * pa.md (prefetch): Rework to avoid reload problems handling short
11134         displacements when a cache control completer needs to be provided.
11135         (prefetch_32, prefetch_64): Delete.
11136         (prefetch_cc, prefetch_nocc): New patterns.
11137
11138 2005-01-15  David Edelsohn  <edelsohn@gnu.org>
11139
11140         * config/rs6000/aix52.h (CPLUSPLUS_CPP_SPEC): Revert previous change.
11141
11142 2005-01-15  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
11143
11144         PR ada/19388
11145         * pa.c (pa_asm_output_aligned_common): Warn if specified alignment
11146         exceeds maximum alignment for global common data.
11147         * pa64-hpux.h (MAX_OFILE_ALIGNMENT): Define to 32768.
11148         * som.h (MAX_OFILE_ALIGNMENT): Likewise.
11149
11150 2004-01-15  Roger Sayle  <roger@eyesopen.com>
11151
11152         * tree-ssa-dom.c (extract_range_from_cond): Correct condition.
11153
11154 2004-01-15  Roger Sayle  <roger@eyesopen.com>
11155
11156         * harg-reg-set.h (reg_class_names): Prototype global array.
11157         * regclass.c (reg_class_names): Declare here and initialize to
11158         REG_CLASS_NAMES.
11159         (dump_regclass): Remove local declaration of reg_class_names.
11160         (regclass): Likewise.
11161         * cfg.c (dump_flow_info): Likewise.
11162         * ra-debug.c (reg_class_names): Likewise.
11163         * regrename.c (reg_class_names): Likewise.
11164         * reload.c (reg_class_names): Likewise.
11165         * reload1.c (spill_failure): Likewise.
11166         * config/m68hc11/m68hc11.c (reg_class_names): Likewise.
11167
11168 2005-01-15  Ulrich Weigand  <uweigand@de.ibm.com>
11169
11170         * config/s390/s390.md ("reload_outti"): Remove predicate for
11171         output operand.  Abort if operand is not a MEM.
11172         ("reload_outdi", "reload_outdf"): Likewise.
11173
11174 2005-01-15  Marc Espie  <espie@openbsd.org>
11175
11176         * config.gcc (*-*-openbsd*): Set HAS_LIBC_R for OpenBSD <= 3.2.
11177         (i[34567]86-*-openbsd*): Switch to ELF for OpenBSD >= 3.4.
11178         * config/openbsd.h:  Fix C++ includes for native configurations.
11179         Add proper OS_CPP_BUILTINS.  Fix libspec for recent OpenBSD.
11180         Add trampoline support.
11181         * config/i386/openbsdelf.h: New.
11182
11183 2005-01-15  Marc Espie  <espie@openbsd.org>
11184
11185         * collect2.c (main): Explicitly parse -dynamic-linker option.
11186
11187 2005-01-15  Jakub Jelinek  <jakub@redhat.com>
11188
11189         PR tree-optimization/19060
11190         * tree-ssa-dom.c (extract_range_from_cond) <case LT_EXPR, GT_EXPR>:
11191         Return 0 if op1 <= TYPE_MIN_VALUE () resp. op1 >= TYPE_MAX_VALUE ().
11192         (simplify_cond_and_lookup_avail_expr): Add assert for dummy == 0
11193         and handle extract_range_from_cond returning false.
11194         * fold-const.c (fold): Optimize comparisons with min/max even for
11195         width > HOST_BITS_PER_WIDE_INT.
11196
11197 2005-01-15  Ralf Corsepius  <ralf.corsepius@rtems.org>
11198
11199         * config/mips/rtems.h (MIPS_DEFAULT_GVALUE): Set to 0.
11200         * config/mips/t-rtems (MULTILIBS_DIRNAMES,MULTILIB_OPTIONS):
11201         Remove little endian multilib variants.
11202         Add mips32 multilib variant.
11203
11204 2005-01-15  Kazu Hirata  <kazu@cs.umass.edu>
11205
11206         * explow.c (copy_all_reg, stabilize): Remove.
11207         * expr.h: Remove the corresponding prototypes.
11208
11209         * rtlanal.c (regs_set_between_p): Remove.
11210         * rtl.h: Remove the corresponding prototype.
11211
11212 2005-01-14  David Edelsohn  <edelsohn@gnu.org>
11213
11214         * config/rs6000/rs6000.c (rs6k_nonimmediate_operand): Rename
11215         to rs6000_nonimmediate_operand.
11216         * config/rs6000/rs6000.h (PREDICATE_CODES): Rename
11217         rs6k_nonimmediate_operand to rs6000_nonimmediate_operand.
11218         * config/rs6000/rs6000.md (movsi_internal1): Rename predicate to
11219         rs6000_nonimmediate_operand.
11220         * config/rs6000/spe.md (movdf_e500_double): Rename predicate to
11221         rs6000_nonimmediate_operand.
11222
11223 2005-01-14  Andrew Pinski  <pinskia@physics.uc.edu>
11224
11225         * tree-ssa-alias.c (pass_may_alias): Add TODO_verify_stmts.
11226
11227 2005-01-14  Aldy Hernandez  <aldyh@redhat.com>
11228
11229         * config/rs6000/rs6000.h (CLASS_MAX_NREGS): DF goes in 1 register
11230         on e500v2.
11231         (CANNOT_CHANGE_MODE_CLASS): Restrict DI mode changes on e500v2.
11232         (PREDICATE_CODES): Add rs6k_nonimmediate_operand.
11233
11234         * config/rs6000/rs6000.c (invalid_e500_subreg): New.
11235         (rs6k_nonimmediate_operand): New.
11236         (rs6000_legitimate_offset_address_p): Handle DI modes on e500v2
11237         correctly.
11238         (legitimate_lo_sum_address_p): Same.
11239         (rs6000_legitimize_address): Same.
11240         (rs6000_legitimize_reload_address): Same.
11241         (rs6000_legitimate_address): Same.
11242         (spe_build_register_parallel): Pass DF and DC modes in a DI
11243         register.
11244
11245         * config/rs6000/rs6000.md ("*movsi_internal1"): Change predicate
11246         to rs6k_nonimmediate_operand.
11247
11248         * config/rs6000/spe.md ("*frob_df_di"): New.
11249         ("*frob_di_df"): New.
11250         ("*frob_di_df_2"): New.
11251         ("*mov_sidf_e500_subreg0"): New.
11252         ("*mov_sidf_e500_subreg4"): New.
11253         ("*movdf_e500_double"): Change predicate to
11254         rs6k_nonimmediate_operand.
11255
11256 2005-01-14  Aldy Hernandez  <aldyh@redhat.com>
11257
11258         * postreload.c (move2add_note_store): Only call
11259         trunc_int_for_mode on scalar integers.
11260
11261 2005-01-14  Steven Bosscher  <stevenb@suse.de>
11262
11263         * tree-ssa-dce.c (visited_control_parents): New sbitmap to
11264         replace BB_VISITED uses.
11265         (find_obviously_necessary_stmts): Don't clear BB_VISITED.
11266         (propagate_necessity): Check the bitmap instead of BB_VISITED.
11267         (tree_dce_done): Free visited_control_parents.
11268         (perform_tree_ssa_dce): Allocate and clear it.
11269         * tree-ssa-pre.c (compute_antic_aux): Make non-recursive.
11270         (compute_antic): Iterate from here using a DFS.  Use an sbitmap
11271         instead of BB_VISITED.
11272
11273 2005-01-14  Kazu Hirata  <kazu@cs.umass.edu>
11274
11275         * c-tree.h, coverage.h, langhooks-def.h, optabs.h, output.h,
11276         rtl.h, targhooks.h, tree-flow.h, tree-mudflap.h, tree.h:
11277         Remove unused prototypes.
11278
11279 2005-01-14  Aldy Hernandez  <aldyh@redhat.com>
11280
11281         * config/rs6000/rs6000.c (rs6000_stack_info): Fix caching of SPE
11282         64-bit register usage.
11283         (spe_func_has_64bit_regs_p): Add FIXME note.
11284
11285 2005-01-14  Aldy Hernandez  <aldyh@redhat.com>
11286
11287         * config/rs6000/rs6000.c (rs6000_generate_compare): Replace
11288         flag_finite_math_only with flag_unsafe_math_optimizations.
11289
11290 2005-01-14  J. D. Johnston  <jjohnst@us.ibm.com>
11291
11292         * config/s390/tpf-unwind.h (s390_fallback_frame_state): Correct
11293         end-of-stack check.
11294         (__tpf_eh_return): Copy TPF private stack area from the module
11295         boundary stack frame.  Add check for when module addresses are
11296         equal, but no stub address is found.
11297
11298 2005-01-14  Richard Earnshaw  <rearnsha@arm.com>
11299
11300         PR target/7525
11301         * arm.h (struct machine_function): Add call_via field.
11302         (thumb_call_via_label): Declare.
11303         * arm.c (thumb_call_via_label): New variable.
11304         (thumb_call_reg_needed): New variable.
11305         (arm_output_function_epilogue): For Thumb code, output any per-function
11306         call-indirect trampolines.
11307         (thumb_call_via_reg): New function.
11308         (arm_file_end): New function.
11309         (TARGET_ASM_FILE_END): Call arm_file_end.
11310         (aof_file_end): Likewise.
11311         * arm-protos.h (thumb_call_via_reg): Declare.
11312         * arm.md (call_reg_thumb, call_value_reg_thumb): Call
11313         thumb_call_via_reg in normal case.
11314
11315 2005-01-14  Jakub Jelinek  <jakub@redhat.com>
11316
11317         PR middle-end/19084
11318         PR rtl-optimization/19348
11319         * recog.c (peephole2_optimize): Do global life update if some peephole
11320         decides it doesn't need at least one of its inputs and that change
11321         influences liveness at the start of the basic block.
11322
11323         * basic-block.h (EXECUTE_IF_AND_COMPL_IN_REG_SET): Needs 2 REGSET
11324         arguments instead of 1.
11325
11326 2005-01-14  Eric Botcazou  <ebotcazou@libertysurf.fr>
11327
11328         PR middle-end/18820
11329         * varasm.c (initializer_constant_valid_p) <ADDR_EXPR>: Return
11330         zero for nested functions needing a static chain or functions
11331         with a non-constant address.
11332
11333 2005-01-13  Roger Sayle  <roger@eyesopen.com>
11334
11335         * simplify-rtx.c (simplify_binary_operation) <AND>: Optimize
11336         (and (sign_extend X) C) into (zero_extend (and X C)).
11337
11338 2005-01-13  David O'Brien  <obrien@FreeBSD.org>
11339
11340         * config/freebsd-spec.h:  Make KSE pthread lib logic the default.
11341
11342 2005-01-13  Richard Henderson  <rth@redhat.com>
11343
11344         PR target/19009
11345         PR target/19250
11346         PR target/19252
11347         * config/i386/i386.md (cmpdf, cmpsf, bunordered, bordered, buneq,
11348         bunge, bungt, bunle, bunlt, bltgt): Enable for TARGET_SSE_MATH,
11349         not just TARGET_SSE.
11350         (cmpfp_i_387): Rename from cmpfp_i.  Move after sse patterns.
11351         (cmpfp_i_mixed): Rename from cmpfp_i_sse; use for TARGET_MIX_SSE_I387.
11352         (cmpfp_i_sse): Rename from cmpfp_i_sse_only; use for TARGET_SSE_MATH.
11353         (cmpfp_iu_mixed, cmpfp_iu_sse, cmpfp_iu_387): Similarly.
11354         (fp_jcc_1_mixed, fp_jcc_1_sse, fp_jcc_1_387): Similarly.
11355         (fp_jcc_2_mixed, fp_jcc_2_sse, fp_jcc_2_387): Similarly.
11356         (fp_jcc_3_387, fp_jcc_4_387, fp_jcc_5_387, fp_jcc_6_387,
11357         fp_jcc_7_387, fp_jcc_8_387): Rename from fp_jcc_N.
11358         (movdicc_c_rex64): Rename with '*'.
11359         (movsfcc, movdfcc): Add checks for 387 and sse math to condition.
11360         (movsfcc_1_sse_min, movsfcc_1_sse_max, movsfcc_1_sse): New.
11361         (movsfcc_1_387): Rename from movsfcc_1.
11362         (movdfcc_1_sse_min, movdfcc_1_sse_max, movdfcc_1_sse): New.
11363         (movdfcc_1, movdfcc_1_rex64): Add check for 387.
11364         (sminsf3, smaxsf3, smindf3, smaxdf3): New.
11365         (minsf3, minsf, minsf_nonieee, minsf_sse, mindf3, mindf,
11366         mindf_nonieee, mindf_sse, maxsf3, maxsf, maxsf_nonieee, maxsf_sse,
11367         maxdf3, maxdf, maxdf_nonieee, maxdf_sse, sse_movsfcc, sse_movsfcc_eq,
11368         sse_movdfcc, sse_movdfcc_eq, sse_movsfcc_const0_1,
11369         sse_movsfcc_const0_2, sse_movsfcc_const0_3, sse_movsfcc_const0_4,
11370         sse_movdfcc_const0_1, sse_movdfcc_const0_2, sse_movdfcc_const0_3,
11371         sse_movdfcc_const0_4): Remove.
11372         * config/i386/i386.c (ix86_expand_fp_movcc): For TARGET_SSE_MATH,
11373         recognize min/max early.  Update for changed sse cmove patterns.
11374         (ix86_split_sse_movcc): New.
11375         * config/i386/i386-protos.h: Update.
11376
11377 2005-01-13  Steven Bosscher  <stevenb@suse.de>
11378
11379         * tree-ssa-dse.c (fix_phi_uses): Use SSA operand iterators.
11380         (fix_stmt_v_may_defs): Likewise.
11381
11382 2005-01-13  Richard Henderson  <rth@redhat.com>
11383
11384         * config/i386/i386.c (ix86_expand_fp_absneg_operator): Use elt_mode
11385         for converting the mask.
11386
11387 2005-01-13  David Edelsohn  <edelsohn@gnu.org>
11388
11389         * config/rs6000/aix52.h (CPLUSPLUS_CPP_SPEC): Change _XOPEN_SOURCE
11390         definition to 600.
11391
11392 2005-01-13  Richard Henderson  <rth@redhat.com>
11393
11394         * config/i386/i386.c (IX86_BUILTIN_MOVQ, IX86_BUILTIN_LOADD,
11395         IX86_BUILTIN_STORED, IX86_BUILTIN_MOVQ2DQ,
11396         IX86_BUILTIN_MOVDQ2Q): Remove.
11397         (IX86_BUILTIN_VEC_EXT_V4SI): New.
11398         (ix86_init_mmx_sse_builtins, ix86_expand_builtin): Update to match.
11399         (ix86_expand_vector_extract): For V4S[FI], extract element 0 after
11400         shuffling.
11401         * config/i386/sse.md (sse_concatv2sf): Accept zero operand 2.
11402         (sse2_pextrw): Fix immediate constraint.
11403         (sse2_loadq, sse2_loadq_rex64): Remove.
11404         * config/i386/emmintrin.h (_mm_cvtsi128_si32, _mm_cvtsi128_si64x):
11405         Use __builtin_ia32_vec_ext_<size>.
11406         (_mm_cvtsi32_si128, _mm_cvtsi64x_si128): Use _mm_set_epi<size>.
11407
11408 2005-01-13  Aldy Hernandez  <aldyh@redhat.com>
11409
11410         * function.c (assign_parm_setup_block): Look inside original
11411         entry_parm when inspecting PARALLEL.
11412
11413 2005-01-13  Ralf Corsepius  <ralf.corsepius@rtems.org>
11414             Joel Sherrill  <joel@oarcorp.com>
11415
11416         PR target/19399
11417         * gthr-rtems.h (__gthread_recursive_mutex_t): New type.
11418         (__GTHREAD_RECURSIVE_MUTEX_INIT_FUNCTION): Define to
11419         rtems_gxx_recursive_mutex_init.
11420         (__gthread_recursive_mutex_lock): New function.
11421         (__gthread_recursive_mutex_trylock): Likewise.
11422         (__gthread_recursive_mutex_unlock): Likewise.
11423
11424 2005-01-13  Ralf Corsepius <ralf.corsepius@rtems.org>
11425
11426         * config/i386/t-rtems-i386: Multilib on -mtune instead of -mcpu.
11427
11428 2005-01-13  Jan Beulich  <jbeulich@novell.com>
11429
11430         * config/ia64/ia64.md (ashlti3, ashlti3_internal): New.
11431         (ashrti3_internal): Indicate output is early clobber. Generate result
11432         into output rather than first input. Use move for low word of output
11433         if shift count is exactly 64.
11434         (lshrti3_internal): Likewise.
11435
11436 2005-01-13  Hans-Peter Nilsson  <hp@bitrange.com>
11437
11438         PR target/18329
11439         PR target/18330
11440         * reload1.c (delete_output_reload): Don't delete an output reload
11441         if the pseudo lives longer than a single basic block.  Adjust and
11442         improve wording of comment.
11443
11444 2005-01-12  Andrew Pinski  <pinskia@physics.uc.edu>
11445
11446         PR target/19334
11447         * config/darwin.c (machopic_select_section): Use TYPE_SIZE_UNIT instead
11448         of TYPE_SIZE where we mean the number of bytes.
11449
11450 2005-01-12  Aldy Hernandez  <aldyh@redhat.com>
11451
11452         * function.c (assign_parm_setup_block): Relax condition on
11453         multi-register optimization.
11454
11455 2005-01-12  Nick Clifton  <nickc@redhat.com>
11456
11457         * config/sh/sh.md (udivsi3_sh2a, divsi3_sh2a): Give these patterns
11458         an "in_delay_slot" attribute of "no" to prevent them being used in
11459         delay slots.  This is forbidden because they might generate
11460         exceptions.
11461
11462 2005-01-12  Alan Modra  <amodra@bigpond.net.au>
11463
11464         PR target/19389
11465         * config/rs6000/rs6000.md (movtf_internal): Replace r->o and m->r
11466         with r->Y and Y->r.
11467
11468 2005-01-12  Nick Clifton  <nickc@redhat.com>
11469
11470         * config/iq2000/iq2000.h (ASM_SPEC): Undefine (to stop -Qy being
11471         passed on to GAS) but do not define, as GAS no longer supports or
11472         needs the -m2000 option.
11473
11474 2005-01-11  Roger Sayle  <roger@eyesopen.com>
11475
11476         * builtins.c (fold_builtin_fabs): Convert argument to the appropriate
11477         type as args of unprototyped builtins aren't automatically promoted.
11478         (fold_builtin_abs): Likewise.
11479
11480 2005-01-11  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
11481
11482         * Makefile.in: Set a `build-warn' variable.
11483
11484 2005-01-11  Zdenek Dvorak  <dvorakz@suse.cz>
11485
11486         PR tree-optimization/17949
11487         * tree-ssa-loop-ivopts.c (may_be_unaligned_p): New function.
11488         (find_interesting_uses_address): Use it.
11489
11490 2005-01-11  Aldy Hernandez  <aldyh@redhat.com>
11491
11492         * regrename.c (kill_value): Handle subreg's that won't simplify.
11493
11494 2005-01-11  Richard Henderson  <rth@redhat.com>
11495
11496         PR target/13366
11497         * config/i386/i386.h (enum ix86_builtins): Move ...
11498         * config/i386/i386.c: ... here.
11499         (IX86_BUILTIN_MOVDDUP, IX86_BUILTIN_MMX_ZERO, IX86_BUILTIN_PEXTRW,
11500         IX86_BUILTIN_PINSRW, IX86_BUILTIN_LOADAPS, IX86_BUILTIN_LOADSS,
11501         IX86_BUILTIN_STORESS, IX86_BUILTIN_SSE_ZERO, IX86_BUILTIN_PEXTRW128,
11502         IX86_BUILTIN_PINSRW128, IX86_BUILTIN_LOADAPD, IX86_BUILTIN_LOADSD,
11503         IX86_BUILTIN_STOREAPD, IX86_BUILTIN_STORESD,  IX86_BUILTIN_STOREHPD,
11504         IX86_BUILTIN_STORELPD, IX86_BUILTIN_SETPD1, IX86_BUILTIN_SETPD,
11505         IX86_BUILTIN_CLRPD, IX86_BUILTIN_LOADPD1, IX86_BUILTIN_LOADRPD,
11506         IX86_BUILTIN_STOREPD1, IX86_BUILTIN_STORERPD, IX86_BUILTIN_LOADDQA,
11507         IX86_BUILTIN_STOREDQA, IX86_BUILTIN_CLRTI,
11508         IX86_BUILTIN_LOADDDUP): Remove.
11509         (IX86_BUILTIN_VEC_INIT_V2SI, IX86_BUILTIN_VEC_INIT_V4HI,
11510         IX86_BUILTIN_VEC_INIT_V8QI, IX86_BUILTIN_VEC_EXT_V2DF,
11511         IX86_BUILTIN_VEC_EXT_V2DI, IX86_BUILTIN_VEC_EXT_V4SF,
11512         IX86_BUILTIN_VEC_EXT_V8HI, IX86_BUILTIN_VEC_EXT_V4HI,
11513         IX86_BUILTIN_VEC_SET_V8HI, IX86_BUILTIN_VEC_SET_V4HI): New.
11514         (ix86_init_builtins): Make static.
11515         (ix86_init_mmx_sse_builtins): Update for changed builtins.
11516         (ix86_expand_binop_builtin): Only use ix86_fixup_binary_operands
11517         if all the modes match.  Otherwise, fake it.
11518         (get_element_number, ix86_expand_vec_init_builtin,
11519         ix86_expand_vec_ext_builtin, ix86_expand_vec_set_builtin): New.
11520         (ix86_expand_builtin): Make static.  Update for changed builtins.
11521         (ix86_expand_vector_move_misalign): Use sse2_loadlpd with zero
11522         operand instead of sse2_loadsd.  Cast sse1 fallback to V4SFmode.
11523         (ix86_expand_vector_init_duplicate): New.
11524         (ix86_expand_vector_init_low_nonzero): New.
11525         (ix86_expand_vector_init_one_var, ix86_expand_vector_init_general):
11526         Split out from ix86_expand_vector_init; handle integer modes.
11527         (ix86_expand_vector_init): Use them.
11528         (ix86_expand_vector_set, ix86_expand_vector_extract): New.
11529         * config/i386/i386-protos.h: Update.
11530         * config/i386/predicates.md (reg_or_0_operand): New.
11531         * config/i386/mmx.md (mov<MMXMODEI>_internal): Add 'r' variants.
11532         (movv2sf_internal): Likewise.  And a splitter to match them all.
11533         (vec_dupv2sf, mmx_concatv2sf, vec_setv2sf, vec_extractv2sf,
11534         vec_initv2sf, vec_dupv4hi, vec_dupv2si, mmx_concatv2si, vec_setv2si,
11535         vec_extractv2si, vec_initv2si, vec_setv4hi, vec_extractv4hi,
11536         vec_initv4hi, vec_setv8qi, vec_extractv8qi, vec_initv8qi): New.
11537         (mmx_pinsrw): Fix operand ordering.
11538         * config/i386/sse.md (movv4sf splitter): Use direct pattern,
11539         rather than sse_loadss expander.
11540         (movv2df splitter): Similarly.
11541         (sse_loadss, sse_loadlss): Remove.
11542         (vec_dupv4sf, sse_concatv2sf, sse_concatv4sf, vec_extractv4sf_0): New.
11543         (vec_setv4sf, vec_setv2df): Use ix86_expand_vector_set.
11544         (vec_extractv4sf, vec_extractv2df): Use ix86_expand_vector_extract.
11545         (sse3_movddup): Rename with '*'.
11546         (sse3_movddup splitter): Use gen_rtx_REG instead of gen_lowpart.
11547         (sse2_loadsd): Remove.
11548         (vec_dupv2df_sse3): Rename from sse3_loadddup.
11549         (vec_dupv2df, vec_concatv2df_sse3, vec_concatv2df): New.
11550         (sse2_pinsrw): Fix argument ordering.
11551         (sse2_loadld, sse2_loadq): Add sse1 alternatives.
11552         (sse2_stored): Remove 'r' destination.
11553         (vec_dupv4si, vec_dupv2di, sse2_concatv2si, sse1_concatv2si,
11554         vec_concatv4si_1, vec_concatv2di, vec_setv2di, vec_extractv2di,
11555         vec_initv2di, vec_setv4si, vec_extractv4si, vec_initv4si,
11556         vec_setv8hi, vec_extractv8hi, vec_initv8hi, vec_setv16qi,
11557         vec_extractv16qi, vec_initv16qi): New.
11558
11559         * config/i386/emmintrin.h (__m128i, __m128d): Use typedef, not define.
11560         (_mm_set_sd, _mm_set1_pd, _mm_setzero_pd, _mm_set_epi64x,
11561         _mm_set_epi32, _mm_set_epi16, _mm_set_epi8, _mm_setzero_si128): Use
11562         constructor form.
11563         (_mm_load_pd, _mm_store_pd): Use plain dereference.
11564         (_mm_load_si128, _mm_store_si128): Likewise.
11565         (_mm_load1_pd): Use _mm_set1_pd.
11566         (_mm_load_sd): Use _mm_set_sd.
11567         (_mm_store_sd, _mm_storeh_pd): Use __builtin_ia32_vec_ext_v2df.
11568         (_mm_store1_pd, _mm_storer_pd): Use _mm_store_pd.
11569         (_mm_set_epi64): Use _mm_set_epi64x.
11570         (_mm_set1_epi64x, _mm_set1_epi64, _mm_set1_epi32, _mm_set_epi16,
11571         _mm_set1_epi8, _mm_setr_epi64, _mm_setr_epi32, _mm_setr_epi16,
11572         _mm_setr_epi8): Use _mm_set_foo form.
11573         (_mm_loadl_epi64, _mm_movpi64_epi64, _mm_move_epi64): Use _mm_set_epi64.
11574         (_mm_storel_epi64, _mm_movepi64_pi64): Use __builtin_ia32_vec_ext_v2di.
11575         (_mm_extract_epi16): Use __builtin_ia32_vec_ext_v8hi.
11576         (_mm_insert_epi16): Use __builtin_ia32_vec_set_v8hi.
11577         * config/i386/mmintrin.h (_mm_setzero_si64): Use plain cast.
11578         (_mm_set_pi32): Use __builtin_ia32_vec_init_v2si.
11579         (_mm_set_pi16): Use __builtin_ia32_vec_init_v4hi.
11580         (_mm_set_pi8): Use __builtin_ia32_vec_init_v8qi.
11581         (_mm_set1_pi16, _mm_set1_pi8): Use _mm_set_piN variant.
11582         * config/i386/pmmintrin.h (_mm_loaddup_pd): Use _mm_load1_pd.
11583         (_mm_movedup_pd): Use _mm_shuffle_pd.
11584         * config/i386/xmmintrin.h (_mm_setzero_ps, _mm_set_ss,
11585         _mm_set1_ps, _mm_set_ps, _mm_setr_ps): Use constructor form.
11586         (_mm_cvtpi16_ps, _mm_cvtpu16_ps, _mm_cvtpi8_ps, _mm_cvtpu8_ps,
11587         _mm_cvtps_pi8, _mm_cvtpi32x2_ps): Avoid __builtin_ia32_mmx_zero;
11588         Use _mm_setzero_ps.
11589         (_mm_load_ss, _mm_load1_ps): Use _mm_set* form.
11590         (_mm_load_ps, _mm_loadr_ps): Use raw dereference.
11591         (_mm_store_ss): Use __builtin_ia32_vec_ext_v4sf.
11592         (_mm_store_ps): Use raw dereference.
11593         (_mm_store1_ps): Use _mm_storeu_ps.
11594         (_mm_storer_ps): Use _mm_store_ps.
11595         (_mm_extract_pi16): Use __builtin_ia32_vec_ext_v4hi.
11596         (_mm_insert_pi16): Use __builtin_ia32_vec_set_v4hi.
11597
11598 2005-01-11  Stan Shebs  <shebs@apple.com>
11599
11600         * config/rs6000/rs6000.c (machopic_output_stub): Issue
11601         ldu instead of lwzu if 64-bit -mdynamic-no-pic.
11602
11603 2005-01-11  Andrew Pinski  <pinskia@physics.uc.edu>
11604
11605         PR target/18761
11606         * config/rs6000/rs6000.c (rs6000_special_round_type_align):
11607         Skip all DECLs except for FIELD_DECLs.
11608
11609 2005-01-11  Andreas Krebbel  <krebbel1@de.ibm.com>
11610
11611         * config/s390/s390.c (override_options): Return error if
11612         -mbackchain, -mpacked-stack and -mhard-float are used together.
11613         (s390_va_start): Remove the backchain && packed-stack special case.
11614         (s390_gimplify_va_arg): Likewise.
11615         * doc/invoke.texi: Remove the ABI incompatibility note.
11616
11617 2005-01-11  Andreas Krebbel  <krebbel1@de.ibm.com>
11618
11619         * config/s390/s390.c (struct s390_frame_layout): Remove
11620         save_backchain_p.
11621         (s390_frame_info, s390_emit_prologue): Replace occurrences of
11622         save_backchain_p with TARGET_BACKCHAIN.
11623
11624 2005-01-11  Alan Modra  <amodra@bigpond.net.au>
11625
11626         PR target/18916
11627         * builtins.c (std_gimplify_va_arg_expr): Adjust alignment of *ap.
11628         * expr.h (struct locate_and_pad_arg_data): Add "boundary".
11629         * function.c (locate_and_pad_parm): Set new field.
11630         (assign_parm_find_stack_rtl): Use it instead of FUNCTION_ARG_BOUNDARY.
11631         Tweak where_pad test to include "none".  Always set mem align for
11632         stack_parm.
11633         (assign_parm_adjust_stack_rtl): Discard stack_parm if alignment
11634         not sufficient for type.
11635         (assign_parm_setup_block): If stack_parm is zero on entry, always
11636         make a new stack local.  Block move old stack parm if necessary
11637         to new aligned stack local.
11638         (assign_parm_setup_stack): Use a block move to handle
11639         potentially misaligned entry_parm.
11640         (assign_parms_unsplit_complex): Specify required alignment when
11641         creating stack local.
11642         * calls.c (compute_argument_addresses): Override alignment of stack
11643         arg calculated from its type with the alignment given by
11644         FUNCTION_ARG_BOUNDARY.
11645         (store_one_arg): Likewise.
11646
11647 2005-01-11  Jan Beulich  <jbeulich@novell.com>
11648
11649         * config/ia64/ia64.md (zero_extendsidi2): Replace zxt4 by addp4.
11650         Change respective itanium_class attribute to ialu.
11651         (shladdp4_internal): New.
11652         * config/ia64/predicates.md (shladd_log2_operand): New.
11653
11654 2005-01-11  Richard Henderson  <rth@redhat.com>
11655
11656         * expr.c (store_constructor): Use rtvec_alloc instead of
11657         alloca+gen_rtvec_v, and an incorrect number passed to alloca.
11658
11659 2005-01-11  Kazu Hirata  <kazu@cs.umass.edu>
11660
11661         * config/alpha/alpha.c, config/i386/mmx.md: Fix comment typos.
11662
11663 2005-01-11  Alan Modra  <amodra@bigpond.net.au>
11664
11665         * varasm.c (default_section_type_flags_1): Don't set SECTION_SMALL.
11666         * config/ia64/ia64.c (TARGET_SECTION_TYPE_FLAGS): Define.
11667         (TARGET_RWRELOC): Define.
11668         (ia64_rwreloc_section_type_flags): Delete.
11669         (ia64_section_type_flags): New function.
11670         * config/ia64/hpux.h (TARGET_SECTION_TYPE_FLAGS): Don't define.
11671         (TARGET_RWRELOC): Define.
11672
11673 2005-01-10  David Mosberger  <davidm@hpl.hp.com>
11674
11675         PR target/18987
11676         * config/ia64/ia64.c (process_set): For alloc insn, only call
11677         process_epilogue is !frame_pointer_needed.
11678
11679 2005-01-10  Roger Sayle  <roger@eyesopen.com>
11680
11681         PR c++/19355
11682         * c-common.c (c_common_truthvalue_conversion): TRUTH_NOT_EXPR is a
11683         unary operator and can't be treated as a binary/comparison operator.
11684
11685 2005-01-10  Richard Henderson  <rth@redhat.com>
11686
11687         * config/i386/i386.c (ix86_function_value): Use type_natural_mode.
11688         (ix86_return_in_memory): Likewise.
11689         (function_arg_advance):  Likewise.  Mirror structure in function_arg
11690         for choosing register to advance.
11691
11692 2005-01-10  Kazu Hirata  <kazu@cs.umass.edu>
11693
11694         * tree-vectorizer.c, tree.def: Fix comment typos.
11695
11696 2005-01-10  Mark Dettinger  <dettinge@de.ibm.com>
11697
11698         * config/s390/s390.c (struct processor_costs): 4 new fields:
11699         ddbr, ddr, debr, der.
11700         (s390_rtx_costs): More precise handling of divide instructions.
11701
11702 2005-01-10  David Edelsohn  <edelsohn@gnu.org>
11703
11704         * config/rs6000/t-aix43 (BOOT_LDFLAGS): Define.
11705
11706 2005-01-10  Jan Beulich  <jbeulich@novell.com>
11707
11708         * config/ia64/ia64.c (ia64_in_small_data_p): Also handle the section
11709         names resulting from -ffunction-sections/-fdata-sections and linkonce
11710         ones.
11711         * varasm.c (default_section_type_flags_1): Also set SECTION_SMALL
11712         based on the section name. Rearrange the section name comparison logic
11713         slightly so that each section name is compared against at most once.
11714
11715 2005-01-10  Ben Elliston  <bje@au.ibm.com>
11716
11717         * doc/invoke.texi (Code Gen Options): Add PowerPC to the list of
11718         targets for which -fPIC reduces limitations on the GOT size.
11719
11720 2005-01-09  Falk Hueffner  <falk@debian.org>
11721
11722         * fold-const.c (fold): Also handle EXACT_DIV_EXPR when folding
11723         X/C1 cmpop C2.
11724
11725 2005-01-09  David Edelsohn  <edelsohn@gnu.org>
11726
11727         PR target/18720
11728         * collect2.c (main): Set aixrtl_flag for -brtl option.
11729         (resolve_lib_name): Search for .so file extension before .a
11730         if aixrtl_flag set.
11731
11732 2005-01-09  Dorit Naishlos  <dorit@il.ibm.com>
11733
11734         * tree-vectorizer.c (vect_enhance_data_refs_alignment): Add dump prints.
11735         (vect_analyze_data_refs_alignment): Add dump prints.
11736
11737 2005-01-09  Ira Rosen  <irar@il.ibm.com>
11738
11739         * tree-vectorizer.c (vect_analyze_offset_expr): Use
11740         expr_invariant_in_loop_p.
11741         Initialize outputs first thing in the function.
11742         (vect_update_ivs_after_vectorizer): Call initial_condition_in_loop_num.
11743         (vect_is_simple_iv_evolution): Call initial_condition_in_loop_num.
11744         (vect_analyze_pointer_ref_access): Check that the initial condition of
11745         the access function is loop invariant.
11746
11747 2005-01-09  Richard Henderson  <rth@redhat.com>
11748
11749         * config/i386/i386.c (bdesc_2arg): Update names for mmx_ prefixes.
11750         (ix86_expand_builtin): Likewise.  Frob MASKMOVQ wrt the input mem
11751         just like MASKMOVDQU.  Return plain zero for MMX_ZERO.
11752         * config/i386/i386.md (MMXMODEI, mov<MMXMODEI>,
11753         mov<MMXMODEI>_internal_rex64, mov<MMXMODEI>_internal, movv2sf,
11754         movv2sf_internal_rex64, movv2sf_internal, MMXMODE,
11755         movmisalign<MMXMODE>, mmx_pmovmskb, mmx_maskmovq, mmx_maskmovq_rex,
11756         sse_movntdi, addv8qi3, addv4hi3, addv2si3, mmx_adddi3, ssaddv8qi3,
11757         ssaddv4hi3, usaddv8qi3, usaddv4hi3, subv8qi3, subv4hi3, subv2si3,
11758         mmx_subdi3, sssubv8qi3, sssubv4hi3, ussubv8qi3, ussubv4hi3,
11759         mulv4hi3, smulv4hi3_highpart, umulv4hi3_highpart, mmx_pmaddwd,
11760         sse2_umulsidi3, mmx_iordi3, mmx_xordi3, mmx_anddi3, mmx_nanddi3,
11761         mmx_uavgv8qi3, mmx_uavgv4hi3, mmx_psadbw, mmx_pinsrw, mmx_pinsrw,
11762         mmx_pextrw, mmx_pshufw, eqv8qi3, eqv4hi3, eqv2si3, gtv8qi3, gtv4hi3,
11763         gtv2si3, umaxv8qi3, smaxv4hi3, uminv8qi3, sminv4hi3, ashrv4hi3,
11764         ashrv2si3, lshrv4hi3, lshrv2si3, mmx_lshrdi3, ashlv4hi3, ashlv2si3,
11765         mmx_ashldi3, mmx_packsswb, mmx_packssdw, mmx_packuswb, mmx_punpckhbw,
11766         mmx_punpckhwd, mmx_punpckhdq, mmx_punpcklbw, mmx_punpcklwd,
11767         mmx_punpckldq, emms, addv2sf3, subv2sf3, subrv2sf3, gtv2sf3, gev2sf3,
11768         eqv2sf3, pfmaxv2sf3, pfminv2sf3, mulv2sf3, femms, pf2id, pf2iw,
11769         pfacc, pfnacc, pfpnacc, pi2fw, floatv2si2, pfrcpv2sf2, pfrcpit1v2sf3,
11770         pfrcpit2v2sf3, pfrsqrtv2sf2, pfrsqit1v2sf3, pmulhrwv4hi3, pswapdv2si2,
11771         pswapdv2sf2): Move to mmx.md; rename as necessary with leading
11772         mmx_ prefix.
11773         (mmx_clrdi, pavgusb): Remove.
11774         (ldmxcsr, stmxcsr, sfence, sfence_insn): Move to sse.md; rename
11775         with leading sse_ prefix.
11776         * config/i386/sse.md: Receive them.
11777         * config/i386/mmx.md: New file.
11778         (MMXMODE12, MMXMODE24, mmxvecsize): New.
11779         (subrv2sf3): Turn into expander for normal subtraction.
11780         (mmx_addv2sf3, mmx_mulv2sf3, mmx_smaxv2sf3, mmx_sminv2sf3,
11781         mmx_eqv2sf3, mmx_mulv4hi3, mmx_smulv4hi3_highpart,
11782         mmx_umulv4hi3_highpart, mmx_pmaddwd, mmx_pmulhrwv4hi3, sse2_umulsidi3,
11783         mmx_umaxv8qi3, mmx_smaxv4hi3, mmx_uminv8qi3, mmx_sminv4hi3): Mark
11784         commutative; use ix86_binary_operator_ok.
11785         (mmx_add<MMXMODEI>3, mmx_ssadd<MMXMODE12>3, mmx_usadd<MMXMODE12>3,
11786         mmx_sub<MMXMODEI>3, mmx_sssub<MMXMODE12>3, mmx_ussub<MMXMODE12>3
11787         mmx_ashr<MMXMODE24>3, mmx_lshr<MMXMODE23>3, mmx_ashl<MMXMODE24>3
11788         mmx_eq<MMXMODEI>3, mmx_gt<MMXMODEI>3, mmx_and<MMXMODEI>3,
11789         mmx_nand<MMXMODEI>3, mmx_ior<MMXMODEI>3, mmx_xor<MMXMODEI>3):
11790         Macroize from existing patterns; use ix86_binary_operator_ok.
11791         (mmx_packsswb, mmx_packssdw, mmx_packuswb): Add memory alternative.
11792         (mmx_punpckhbw, mmx_punpcklbw, mmx_punpckhwd, mmx_punpcklwd,
11793         mmx_punpckhdq, mmx_punpckhdq, mmx_punpckldq): Likewise.  Model
11794         with vec_select+vec_concat.
11795         (mmx_pshufw, mmx_pshufw_1): Likewise.
11796         (mmx_uavgv8qi3): Merge pavgusb.  Model correcty.
11797         (mmx_uavgv4hi3): Model correctly.
11798         * config/i386/mmintrin.h (_mm_and_si64, _mm_andnot_si64, _mm_or_si64,
11799         _mm_xor_si64): Remove casts.
11800
11801 2005-01-09  Zdenek Dvorak  <dvorakz@suse.cz>
11802
11803         PR tree-optimization/19224
11804         * tree-scalar-evolution.c (get_instantiated_value,
11805         set_instantiated_value): New functions.
11806         (instantiate_parameters_1): Cache the results.
11807         (instantiate_parameters, resolve_mixers): Initialize and free
11808         the cache.
11809
11810 2005-01-08  David Edelsohn  <edelsohn@gnu.org>
11811
11812         * config/i386/i386.md (addhi_4): Correct reference in comment.
11813         (addqi_4): Same.
11814
11815 2005-01-08  Richard Henderson  <rth@redhat.com>
11816
11817         * config/i386/emmintrin.h (_mm_cvtsi128_si32): Move earlier.
11818         (_mm_cvtsi128_si64x): Likewise.
11819         (_mm_srl_epi64, _mm_srl_epi32, _mm_srl_epi16, _mm_sra_epi32,
11820         _mm_sra_epi16, _mm_sll_epi64, _mm_sll_epi32, _mm_sll_epi16): Use
11821         the _mm_{srl,sll}i_foo counterpart, and _mm_cvtsi128_si32.
11822         * config/i386/i386-modes.def: Add V16HI, V32QI, V4DF, V8SF.
11823         * config/i386/i386-protos.h: Update.
11824         * config/i386/i386.c (print_operand): Add 'H'.
11825         (ix86_fixup_binary_operands): Split out from ...
11826         (ix86_expand_binary_operator): ... here.
11827         (ix86_fixup_binary_operands_no_copy): New.
11828         (ix86_expand_fp_absneg_operator): Handle vector mode results.
11829         (bdesc_2arg): Update names for sse{,2,3}_ prefixes.
11830         (ix86_init_mmx_sse_builtins): Remove *maskncmp* special cases.
11831         (safe_vector_operand): Use CONST0_RTX.
11832         (ix86_expand_binop_builtin): Use ix86_fixup_binary_operands.
11833         (ix86_expand_builtin): Merge CODE_FOR_sse2_maskmovdqu_rex64 and
11834         CODE_FOR_sse2_maskmovdqu.  Special case SSE version of MASKMOVDQU
11835         expansion.  Update names for sse{,2,3}_ prefixes.  Remove *maskncmp*
11836         special cases.
11837         * config/i386/i386.h (IX86_BUILTIN_CMPNGTSS): New.
11838         (IX86_BUILTIN_CMPNGESS): New.
11839         * config/i386/i386.md (UNSPEC_FIX_NOTRUNC): New.
11840         (attr type): Add sselog1.
11841         (attr unit, attr memory): Handle it.
11842         (movti, movti_internal, movti_rex64): Move near other integer moves.
11843         (movtf, movtf_internal): Move near other fp moves.
11844         (SSEMODE, SSEMODEI, vec_setv2df, vec_extractv2df, vec_initv2df,
11845         vec_setv4sf, vec_extractv4sf, vec_initv4sf, movv4sf, movv4sf_internal,
11846         movv2df, movv2df_internal, mov<SSEMODEI>, mov<SSEMODEI>_internal,
11847         movmisalign<SSEMODE>, sse_movups_1, sse_movmskps, sse_movntv4sf,
11848         sse_movhlps, sse_movlhps, sse_storehps, sse_loadhps, sse_storelps,
11849         sse_loadlps, sse_loadss, sse_loadss_1, sse_movss, sse_storess,
11850         sse_shufps, addv4sf3, vmaddv4sf3, subv4sf3, vmsubv4sf3, negv4sf2,
11851         mulv4sf3, vmmulv4sf3, divv4sf3, vmdivv4sf3, rcpv4sf2, vmrcpv4sf2,
11852         rsqrtv4sf2, vmrsqrtv4sf2, sqrtv4sf2, vmsqrtv4sf2, sse_andv4sf3,
11853         sse_nandv4sf3, sse_iorv4sf3, sse_xorv4sf3, sse2_andv2df3,
11854         sse2_nandv2df3, sse2_iorv2df3, sse2_xorv2df3, sse2_andv2di3,
11855         sse2_nandv2di3, sse2_iorv2di3, sse2_xorv2di3, maskcmpv4sf3,
11856         vmmaskcmpv4sf3, sse_comi, sse_ucomi, sse_unpckhps, sse_unpcklps,
11857         smaxv4sf3, vmsmaxv4sf3, sminv4sf3, vmsminv4sf3, cvtpi2ps, cvtps2pi,
11858         cvttps2pi, cvtsi2ss, cvtsi2ssq, cvtss2si, cvtss2siq, cvttss2si,
11859         cvttss2siq, addv2df3, vmaddv2df3, subv2df3, vmsubv2df3, mulv2df3,
11860         vmmulv2df3, divv2df3, vmdivv2df3, smaxv2df3, vmsmaxv2df3, sminv2df3,
11861         vmsminv2df3, sqrtv2df2, vmsqrtv2df2, maskcmpv2df3, vmmaskcmpv2df3,
11862         sse2_comi, sse2_ucomi, sse2_movmskpd, sse2_pmovmskb, sse2_maskmovdqu,
11863         sse2_maskmovdqu_rex64, sse2_movntv2df, sse2_movntv2di, sse2_movntsi,
11864         cvtdq2ps, cvtps2dq, cvttps2dq, cvtdq2pd, cvtpd2dq, cvttpd2dq,
11865         cvtpd2pi, cvttpd2pi, cvtpi2pd, cvtsd2si, cvtsd2siq, cvttsd2si,
11866         cvttsd2siq, cvtsi2sd, cvtsi2sdq, cvtsd2ss, cvtss2sd, cvtpd2ps,
11867         cvtps2pd, addv16qi3, addv8hi3, addv4si3, addv2di3, ssaddv16qi3,
11868         ssaddv8hi3, usaddv16qi3, usaddv8hi3, subv16qi3, subv8hi3, subv4si3,
11869         subv2di3, sssubv16qi3, sssubv8hi3, ussubv16qi3, ussubv8hi3, mulv8hi3,
11870         smulv8hi3_highpart, umulv8hi3_highpart, sse2_umulsidi3,
11871         sse2_umulv2siv2di3, sse2_pmaddwd, sse2_uavgv16qi3, sse2_uavgv8hi3,
11872         sse2_psadbw, sse2_pinsrw, sse2_pextrw, sse2_pshufd, sse2_pshuflw,
11873         sse2_pshufhw, eqv16qi3, eqv8hi3, eqv4si3, gtv16qi3, gtv8hi3,
11874         gtv4si3, umaxv16qi3, smaxv8hi3, uminv16qi3, sminv8hi3, ashrv8hi3,
11875         ashrv4si3, lshrv8hi3, lshrv4si3, lshrv2di3, ashlv8hi3, ashlv4si3,
11876         ashlv2di3, sse2_ashlti3, sse2_lshrti3, sse2_unpckhpd, sse2_unpcklpd,
11877         sse2_packsswb, sse2_packssdw, sse2_packuswb, sse2_punpckhbw,
11878         sse2_punpckhwd, sse2_punpckhdq, sse2_punpcklbw, sse2_punpcklwd,
11879         sse2_punpckldq, sse2_punpcklqdq, sse2_punpckhqdq, sse2_movupd,
11880         sse2_movdqu, sse2_movdq2q, sse2_movdq2q_rex64, sse2_movq2dq,
11881         sse2_movq2dq_rex64, sse2_loadd, sse2_stored, sse2_storehpd,
11882         sse2_loadhpd, sse2_storelpd, sse2_loadlpd, sse2_movsd, sse2_loadsd,
11883         sse2_loadsd_1, sse2_storesd, sse2_shufpd, sse2_clflush, sse2_mfence,
11884         mfence_insn, sse2_lfence, lfence_insn, mwait, monitor, addsubv4sf3,
11885         addsubv2df3, haddv4sf3, haddv2df3, hsubv4sf3, hsubv2df3, movshdup,
11886         movsldup, lddqu, loadddup, movddup): Move to sse.md.  Any with
11887         non-optabs meanings renamed with an "sse{,2,3}_" prefix at the
11888         same time.
11889         (SSEPUSH, push<SSEPUSH>): Remove.
11890         (MMXPUSH, push<MMXPUSH>): Remove.
11891         (sse_movaps, sse_movaps_1, sse_movups): Remove.
11892         (sse2_movapd, sse2_movdqa, sse2_movq): Remove.
11893         (sse2_andti3, sse2_nandti3, sse2_iorti3, sse2_xorti3): Remove.
11894         (sse_clrv4sf, sse_clrv2df, sse2_clrti): Remove.
11895         (maskncmpv4sf3, vmmaskncmpv4sf3): Remove.
11896         (maskncmpv2df3, vmmaskncmpv2df3): Remove.
11897         (ashrv8hi3_ti, ashrv4si3_ti, lshrv8hi3_ti, lshrv4si3_ti): Remove.
11898         (lshrv2di3_ti, ashlv8hi3_ti, ashlv4si3_ti, ashlv2di3_ti): Remove.
11899         * config/i386/athlon.md (athlon_sselog_load): Handle sselog1.
11900         (athlon_sselog_load_k8, athlon_sselog, athlon_sselog_k8): Likewise.
11901         * config/i386/ppro.md (ppro_sse_div_V4SF_load): Fix memory attr.
11902         (ppro_sse_log_V4SF_load): Similarly.  Handle sselog1.
11903         (ppro_sse_log_V4SF): Handle sselog1.
11904         * config/i386/predicates.md (const_0_to_1_operand): New.
11905         (const_0_to_255_mul_8_operand): New.
11906         (const_1_to_31_operand): Rename from const_int_1_31_operand.
11907         (const_2_to_3_operand, const_4_to_7_operand): New.
11908         * config/i386/sse.md: New file.
11909         (SSEMODE12, SSEMODE24, SSEMODE124, SSEMODE248, ssevecsize): New.
11910         (sse_movups): Rename from sse_movups_1.
11911         (sse_loadlss): Rename from sse_loadss_1.
11912         (andv4sf3, iorv4sf3, xorv4sf3, andv2df3): Remove the sse prefix
11913         from the name.
11914         (negv4sf2): Use ix86_expand_fp_absneg_operator.
11915         (absv4sf2, negv2df, absv2df): New.
11916         (addv4sf3): Add expander to call ix86_fixup_binary_operands_no_copy.
11917         (subv4sf3, mulv4sf3, divv4sf3, smaxv4sf3, sminv4sf3, andv4sf3,
11918         iorv4sf3, xorv4sf3, addv2df3, subv2df3, mulv2df3, divv2df3,
11919         smaxv2df3, sminv2df3, andv2df3, iorv2df3, xorv2df3, mulv8hi3,
11920         umaxv16qi3, smaxv8hi3, uminv16qi3, sminv8hi3): Likewise.
11921         (sse3_addsubv4sf3): Model correctly.
11922         sse3_haddv4sf3, sse3_hsubv4sf3, sse3_addsubv2df3, sse3_haddv2df3,
11923         sse3_hsubv2df3, sse2_ashlti3, sse2_lshrti3): Likewise.
11924         (sse_movhlps): Model with vec_select+vec_concat.
11925         (sse_movlhps, sse_unpckhps, sse_unpcklps, sse3_movshdup,
11926         sse3_movsldup, sse_shufps, sse_shufps_1, sse2_unpckhpd, sse3_movddup,
11927         sse2_unpcklpd, sse2_shufpd, sse2_shufpd_1, sse2_punpckhbw,
11928         sse2_punpcklbw, sse2_punpckhwd, sse2_punpcklwd, sse2_punpckhdq,
11929         sse2_punpckldq, sse2_punpckhqdq, sse2_punpcklqdq, sse2_pshufd,
11930         sse2_pshufd_1, sse2_pshuflw, sse2_pshuflw_1, sse2_pshufhw,
11931         sse2_pshufhw_1): Likewise.
11932         (neg<SSEMODEI>2, one_cmpl<SSEMODEI>2): New.
11933         (add<SSEMODEI>3, sse2_ssadd<SSEMODE12>3, sse2_usadd<SSEMODE12>3,
11934         sub<SSEMODEI>3, sse2_sssub<SSEMODE12>3, sse2_ussub<SSEMODE12>3,
11935         ashr<SSEMODE24>3, lshr<SSEMODE248>3, sse2_eq<SSEMODE124>3,
11936         sse2_gt<SSEMODDE124>3, and<SSEMODEI>3, sse_nand<SSEMODEI>3,
11937         ior<SSEMODEI>3, xor<SSEMODEI>3): Macroize from existing patterns.
11938         (addv4sf3, sse_vmaddv4sf3, mulv4sf3, sse_vmmulv4sf3, smaxv4sf3,
11939         sse_vmsmaxv4sf3, sminv4sf3, sse_vmsminv4sf3, addv2df3, sse2_vmaddv2df3,
11940         mulv2df3, sse2_vmmulv2df3, smaxv2df3, sse2_vmsmaxv2df3, sminv2df3,
11941         sse2_vmsminv2df3, umaxv16qi3, smaxv8hi3, uminv16qi3
11942         sminv8hi3): Mark commutative
11943         operands.  Use ix86_binary_operator_ok.
11944         (sse_unpckhps, sse_unpcklps, sse2_packsswb, sse2_packssdw,
11945         sse2_packuswb, sse2_punpckhbw, sse2_punpcklbw, sse2_punpckhwd,
11946         sse2_punpcklwd, sse2_punpckhdq, sse2_punpckldq, sse2_punpckhqdq,
11947         sse2_punpcklqdq): Allow operand2 in memory.
11948         (sse_movhlps, sse_movlhps, sse2_unpckhpd, sse2_unpcklpd
11949         sse2_movsd): Add memory alternatives.
11950         (sse_storelps): Turn expander into an insn; split after reload.
11951         (sse_storess, sse2_loadhpd, sse2_loadlpd): Add non-xmm inputs.
11952         (sse2_storehpd, sse2_storelpd): Add non-xmm outputs.
11953
11954 2005-01-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
11955
11956         * configure.ac (DWARF-2 debug_line): Use objdump.
11957         * configure: Regenerate.
11958
11959 2005-01-08  Jeff Law  <law@redhat.com>
11960             Diego Novillo  <dnovillo@redhat.com>
11961
11962         PR tree-optimization/18241
11963         * tree-nrv.c (tree_nrv): Ignore volatile return values.
11964         * tree-ssa-dse.c (dse_optimize_stmt): Do not optimize
11965         statements with volatile operands.
11966         * tree-ssa-operands.c (add_stmt_operand): Do add volatile
11967         operands after marking a statement with has_volatile_ops.
11968
11969 2005-01-08  Roger Sayle  <roger@eyesopen.com>
11970
11971         * tree.c (int_fits_type_p): Always honor integer constant
11972         TYPE_MIN_VALUE and TYPE_MAX_VALUE if they exist.
11973
11974 2005-01-08  Roger Sayle  <roger@eyesopen.com>
11975
11976         * ifcvt.c (find_if_case_1): Reinstate 2005-01-04 change, now that
11977         the latent bug in rtl_delete_block has been resolved.
11978
11979 2005-01-08  Richard Sandiford  <rsandifo@redhat.com>
11980
11981         * config/mips/t-iris6 (MULTILIB_DIRNAMES): Use -mabi argument values.
11982         (MULTILIB_OSDIRNAMES): Use the standard lib, lib32 and lib64.
11983
11984 2005-01-08  Richard Sandiford  <rsandifo@redhat.com>
11985
11986         * config/mips/t-slibgcc-irix (SHLIB_LINK): Install a copy of the
11987         library as @multilib_dir@/$(SHLIB_SONAME).
11988
11989 2005-01-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
11990
11991         * configure.ac (HAVE_AS_OFFSETABLE_LO10): Fix typo.
11992         * configure: Regenerate.
11993
11994 2005-01-07  Jakub Jelinek  <jakub@redhat.com>
11995
11996         * c-common.c (handle_mode_attribute): For ENUMERAL_TYPE, also copy
11997         TYPE_MODE.
11998
11999 2005-01-07  David Edelsohn  <edelsohn@gnu.org>
12000
12001         PR target/13674
12002         * config/rs6000/rs6000.c (rs6000_legitimize_reload_address):
12003         Convert non-word aligned offset address using ld/std into
12004         indirect address.
12005
12006 2005-01-07  Richard Henderson  <rth@redhat.com>
12007
12008         * config/i386/i386.md (sse_loadhps splitter): Fix operand number typo.
12009
12010 2005-01-07  Richard SAndiford  <rsandifo@redhat.com>
12011
12012         * tree.h (IS_EXPR_CODE_CLASS): Use a straight-forward range check.
12013
12014 2005-01-07  Jakub Jelinek  <jakub@redhat.com>
12015
12016         PR tree-optimization/19283
12017         * fold-const.c (fold_widened_comparison): Return NULL if shorter_type
12018         is not shorter than the original type.
12019
12020         PR rtl-optimization/19012
12021         * config/i386/i386.md (addqi_1_slp): Set memory attribute.
12022
12023         PR rtl-optimization/18861
12024         * cfgbuild.c (BLOCK_USED_BY_TABLEJUMP): Define.
12025         (FULL_STATE): Define.
12026         (mark_tablejump_edge): New function.
12027         (purge_dead_tablejump_edges): New function.
12028         (find_bb_boundaries): Use it.
12029
12030         PR tree-optimization/18828
12031         * builtins.c (expand_builtin_next_arg): Remove argument and all
12032         the argument checking.
12033         (expand_builtin): Adjust caller.
12034         (expand_builtin_va_start): Likewise.  Remove error for too many
12035         arguments.
12036         (fold_builtin_next_arg): Issue error for too many arguments.
12037         After checking arguments, replace them with magic arguments that
12038         prevent further checking of the args.
12039
12040 2005-01-06  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
12041
12042         * pa64-hpux.h (STARTFILE_SPEC): Fix typo in spec.
12043
12044 2005-01-06  Roger Sayle  <roger@eyesopen.com>
12045
12046         PR target/6077
12047         * gcc.c (input_suffix_matches): Tweak the semantics of %{.s:...}
12048         and %{.S:...} (and their negative variants) to test whether the
12049         input file is assembler or pre-processed-assembler independent of
12050         the actual filename extension.
12051
12052 2005-01-06  Roger Sayle  <roger@eyesopen.com>
12053
12054         * simplify-rtx.c (simplify_subreg): Simplify truncations of shifts
12055         of sign or zero extended values.
12056
12057 2005-01-06  Geoffrey Keating  <geoffk@apple.com>
12058
12059         * c-cppbuiltin.c (builtin_define_float_constants): Set __*_EPSILON__
12060         for IBM long double format correctly.
12061
12062 2005-01-06  Daniel Berlin <dberlin@dberlin.org>
12063
12064         Fix PR tree-optimization/18792
12065
12066         * tree-data-ref.c (build_classic_dist_vector): Change first_loop
12067         to first_loop_depth, and use loop depth instead of loop number.
12068         (build_classic_dir_vector): Ditto.
12069         (compute_data_dependences_for_loop): Use depth, not loop number.
12070         * tree-loop-linear.c (try_interchange_loops): Use loop depth, not loop
12071         number. Pass in loops, instead of loop numbers.
12072         (gather_interchange_stats): Ditto.
12073         (linear_transform_loops): Ditto.
12074
12075 2005-01-06  Richard Sandiford  <rsandifo@redhat.com>
12076
12077         PR rtl-opt/13299
12078         * loop.c (get_monotonic_increment, biased_biv_fits_mode_p,
12079         biv_fits_mode_p, extension_within_bounds_p): New functions.
12080         (check_ext_dependent_givs): Use them.
12081
12082 2005-01-06  Roger Sayle  <roger@eyesopen.com>
12083
12084         * cfgrtl.c (rtl_delete_block): A basic block may be followed by
12085         more than one barrier, in which case we should delete them all.
12086
12087 2005-01-06  Tobias Schlueter  <tobias.schlueter@physik.uni-muenchen.de>
12088
12089         * gcc.c (process_command): Change year in 'gcc --version' to 2005.
12090
12091 2005-01-05  Daniel Berlin  <dberlin@dberlin.org>
12092
12093         Fix PR middle-end/19286
12094         Fix PR debug/19267
12095         * dwarf2out.c (gen_subprogram_die): If we've already tried to
12096         output this subprogram, simply ignore this attempt to do it again.
12097         (add_abstract_origin_attribute): Don't abort trying to add the abstract
12098         origin attribute if it's not possible.
12099         (gen_block_die): Don't ignore subblocks of "unused" blocks.
12100         (decls_for_scope): Ditto.
12101         * gimple-low.c (mark_blocks_with_used_subblocks): Remove.
12102         (mark_used_blocks): Don't call mark_blocks_with_used_subblocks.
12103
12104 2005-01-05  Richard Henderson  <rth@redhat.com>
12105
12106         PR target/11327
12107         * config/i386/i386.c (BUILTIN_DESC_SWAP_OPERANDS): New.
12108         (bdesc_2arg): Use it.
12109         (ix86_expand_binop_builtin): Force operands into registers
12110         when optimizing.
12111         (ix86_expand_unop_builtin, ix86_expand_unop1_builtin,
12112         ix86_expand_sse_compare, ix86_expand_sse_comi,
12113         ix86_expand_builtin): Likewise.
12114
12115 2005-01-05  Richard Henderson  <rth@redhat.com>
12116
12117         * config/ia64/ia64.c (rtx_needs_barrier): Handle CONST_VECTOR
12118         and VEC_SELECT.
12119         * config/ia64/vect.md (mulv8qi3): Re-implement with mix_[rl].
12120         (mulv4hi3): Set itanium_class mmmul.
12121         (fpack_sfxf, fpack_xfsf, fpack_xfxf): Remove.
12122         (fpack): Rename from fpack_sfsf.
12123
12124 2005-01-05  Richard Henderson  <rth@redhat.com>
12125
12126         PR rtl-opt/10692
12127         * reload1.c (do_input_reload): Restrict the optimization deleteing
12128         a previous output reload to RELOAD_FOR_INPUT.
12129
12130 2005-01-05  Steven Bosscher  <stevenb@suse.de>
12131
12132         * combine.c (expand_compound_operation)  <ZERO_EXTRACT>: Add
12133         comment that we fall through after case.
12134         (mark_used_regs_combine): Don't expect a SIGN_EXTRACT in a SET_DEST.
12135         (distribute_links): Likewise.
12136         * cse.c (cse_insn): Likewise.
12137         * cselib.c (cselib_invalidate_mem): Likewise.
12138         * df.c: Update comments at the top of the file.
12139         (read_modify_subreg_p): Update comments here too.
12140         (df_def_record_1): Don't expect a SIGN_EXTRACT in a SET_DEST.
12141         * flow.c (mark_set_1): Likewise.
12142         (mark_used_regs): Likewise.
12143         * gcse.c (mems_conflict_for_gcse_p): Likewise.
12144         (canon_list_insert): Likewise.
12145         (mark_set): Likewise.
12146         (try_replace_reg): Likewise.
12147         (store_killed_in_insn): Likewise.
12148         * loop.c (count_one_set): Likewise.
12149         (basic_induction_var): Likewise.
12150         * postreload-gcse.c (find_mem_conflicts): Likewise.
12151         * postreload.c (reload_combine_note_store): Likewise.
12152         (move2add_note_store): Likewise.
12153         * reload.c (find_equiv_reg): Likewise.
12154         (mark_referenced_resources): Likewise.
12155         * rtlanal.c (set_noop_p): Likewise.
12156         (note_stores): Likewise.
12157         (note_uses): Likewise.
12158         * sched-deps.c (sched_analyze_1): Likewise.
12159         * sched-rgn.c (check_live_1): Likewise.
12160         (update_live_1): Likewise.
12161         * config/i860/i860.c: Likewise.
12162
12163         * rtl.dec (SIGN_EXTRACT): Document that this cannot appear as
12164         an lvalue.
12165         (ZERO_EXTRACT): Mention that this one can be an lvalue.
12166
12167         * doc/rtl.texi: Update documentation for bit-fields and SET.
12168
12169 2005-01-05  Roger Sayle  <roger@eyesopen.com>
12170
12171         * ifcvt.c (find_if_case_1): Revert 2005-01-04 change.
12172
12173 2005-01-05  Jan Hubicka  <jh@suse.cz>
12174             Richard Henderson  <rth@redhat.com>
12175
12176         PR target/18910
12177         * config/i386/i386.c (ix86_expand_move): Handle tls symbols
12178         with an offset.
12179
12180 2005-01-05  Richard Henderson  <rth@redhat.com>
12181
12182         PR target/12902
12183         * config/i386/i386.md (sse_movhps, sse_movlps): Remove.
12184         (sse_shufps): Change operand 3 to const_int_operand.
12185         (sse2_storelps): Fix typo in template.
12186         (sse_storehps, sse_loadhps, sse_storelps, sse_loadlps): New.
12187         * config/i386/i386.c (ix86_expand_vector_move_misalign): Use them.
12188         (ix86_expand_builtin): Likewise.
12189
12190 2005-01-05  Julian Brown  <julian@codesourcery.com>
12191
12192         * config/arm/arm.c (arm_return_in_memory): Treat complex types
12193         as aggregates for AAPCS ABIs.
12194
12195 2005-01-05  Stan Shebs  <shebs@apple.com>
12196
12197         * unwind-dw2-fde-darwin.c (examine_objects): Use 64-bit
12198         Mach-O getters if ppc64.
12199         * config/darwin.c (darwin_asm_output_dwarf_delta): Obey
12200         size argument.
12201         * config/darwin.h (ASM_PREFERRED_EH_DATA_FORMAT): Use
12202         signed four-byte field for global code case.
12203         (STARTFILE_SPEC): Avoid crt2.o for 64-bit compilation.
12204
12205 2005-01-05  Roger Sayle  <roger@eyesopen.com>
12206
12207         PR middle-end/19100
12208         * c-common.c: Include real.h.
12209         (c_common_truthvalue_conversion): Avoid destructively modifying expr.
12210         Correctly handle TREE_CONSTANT_OVERFLOW for INTEGER_CST.
12211         Correctly handle TREE_CONSTANT_OVERFLOW and NaNs for REAL_CST.
12212         * Makefile.in (c-common.o): Update dependencies.
12213
12214 2005-01-05  Joseph S. Myers  <joseph@codesourcery.com>
12215
12216         * c-parse.in (asm_string): Add trailing semicolon.
12217
12218 2005-01-05  Joseph S. Myers  <joseph@codesourcery.com>
12219
12220         * c-parse.in (asm_string): New.  Don't allow wide strings in
12221         'asm'.
12222         (simple_asm_expr, asm_argument, asm_operand, asm_clobbers): Use
12223         asm_string instead of STRING.
12224
12225 2005-01-05  Joseph S. Myers  <joseph@codesourcery.com>
12226
12227         * c-typeck.c (constructor_no_implicit): Remove.
12228         (set_designator, process_init_element): Don't check
12229         constructor_no_implicit.
12230
12231 2005-01-05  J"orn Rennecke <joern.rennecke@st.com>
12232             Kaz Kojima  <kkojima@gcc.gnu.org>
12233
12234         PR target/16482
12235         * lcm.c (create_pre_exit): New.
12236         (optimize_mode_switching): In MODE_ENTRY / MODE_EXIT case, set
12237         ENTRY_EXIT_EXTRA to 3.  Use create_pre_exit.
12238
12239 2004-01-05  Richard Earnshaw  <rearnsha@arm.com>
12240
12241         * arm.h (TARGET_OPTIONS): Correctly record -mhard-float and
12242         -msoft-float in target_float_switch.
12243         * arm.c (arm_override_options): Fix processing of target_float_switch.
12244
12245 2004-01-05  Richard Earnshaw  <rearnsha@arm.com>
12246
12247         * arm/vfp.md (arm_movsi_vfp): Hide VFP register classes from register
12248         preferencing.
12249
12250 2004-01-05  Uros Bizjak  <uros@kss-loka.si>
12251
12252         * doc/invoke.texi (Intel 386 and AMD x86-64 Options):
12253         Replace i387 with 'i386 compiler' in -mfpmath=sse option.
12254
12255 2005-01-04  Roger Sayle  <roger@eyesopen.com>
12256
12257         * ifcvt.c (find_if_case_1): Avoid creating an empty forwarder block,
12258         if deleting the then-block allows the test-block to fallthru to the
12259         else-block.
12260
12261 2005-01-04  Andrew Pinski  <pinskia@physics.uc.edu>
12262
12263         PR c/19152
12264         * c-decl.c (diagnose_mismatched_decls): Accept "extern inline" declared
12265         after the full declaration if the are in two different TUs.
12266
12267 2005-01-04  Richard Henderson  <rth@redhat.com>
12268
12269         PR tree-opt/19158
12270         * tree-sra.c (generate_one_element_init): Just
12271         call gimplify_and_add.
12272         (generate_element_init): Record the
12273         new referenced variables and mark them for renaming
12274         and split out to ...
12275         (generate_element_init_1): This.
12276         (scalarize_init): Don't call push_gimplify_context/
12277         pop_gimplify_context.
12278
12279 2005-01-04  Geoffrey Keating  <geoffk@apple.com>
12280
12281         * toplev.c (get_src_pwd): Handle failure of getpwd().
12282
12283 2005-01-04  Roger Sayle  <roger@eyesopen.com>
12284
12285         * fold-const.c (fold_single_bit_test): Delete unreachable handling
12286         of TRUTH_NOT_EXPR.
12287         (fold): Don't call fold_single_bit_test with a TRUTH_NOT_EXPR, as
12288         all the cases handled by it are inverted by invert_truthvalue.
12289
12290 2005-01-04  Eric Botcazou  <ebotcazou@libertysurf.fr>
12291
12292         * config/sparc/sparc.md (save_register_windowdi): Add missing mode.
12293         (save_register_windowsi): Likewise.
12294
12295 2005-01-04  Richard Henderson  <rth@redhat.com>
12296
12297         * tree-mudflap.c (mf_varname_tree): Fix thinko setting declname.
12298
12299 2005-01-04  Uros Bizjak  <uros@kss-loka.si>
12300
12301         PR middle-end/17767
12302         * cse.c (fold_rtx) [RTX_COMPARE, RTX_COMM_COMPARE]: Don't attempt
12303         any simplifications of vector mode comparison operators.
12304         * simplify-rtx.c (simplify_relational_operation): Fix variable name.
12305
12306 2005-01-04  Paolo Bonzini  <bonzini@gnu.org>
12307             Devang Patel  <dpatel@apple.com>
12308
12309         PR tree-optimization/18308
12310         * tree-if-conv.c (add_to_dst_predicate_list): Gimplify
12311         the operands before creating a new expression.
12312         * dojump.c (do_jump): Make drop_through_label available
12313         for all cases.  Add expansion of COND_EXPR.
12314
12315 2005-01-04  Ira Rosen  <irar@il.ibm.com>
12316
12317         * tree-vectorizer.c (vect_analyze_offset_expr): Test for
12318         INTEGER_CST instead of TREE_CONSTANT.
12319         (vect_gen_niters_for_prolog_loop): Test for INTEGER_CST
12320         instead of TREE_CONSTANT.
12321         (vect_analyze_pointer_ref_access): Test for INTEGER_CST
12322         instead of TREE_CONSTANT.
12323
12324 2005-01-04  Eric Botcazou  <ebotcazou@libertysurf.fr>
12325
12326         * tree-eh.c (replace_goto_queue): Return early if the queue is empty.
12327
12328 2005-01-04  Uros Bizjak  <uros@kss-loka.si>
12329
12330         PR target/19240
12331         * config/i386/i386.md (*fop_df_1_i387): Disable for TARGET_SSE_MATH.
12332         (*fop_df_1_i387): Disable for (TARGET_SSE2 && TARGET_SSE_MATH).
12333
12334 2005-01-03  Richard Henderson  <rth@redhat.com>
12335
12336         * fold-const.c (force_fit_type): Cope with types larger than 2 HWI.
12337         (fold_convert_const_int_from_int, fold_convert_const_int_from_real,
12338         fold_convert_const_real_from_real): Split out from ...
12339         (fold_convert_const): ... here.
12340
12341 2005-01-03  Richard Henderson  <rth@redhat.com>
12342
12343         PR target/19235
12344         * config/i386/i386.md (movdi_2): Separate SSE1 and SSE2 alternatives.
12345         (mov<MMXMODEI>_internal): Likewise.
12346         (movdf_nointeger): Prefer Y while not preferring, but allowing, x.
12347         Add V2SF case; use it for SSE1; don't use TI.
12348         (movdf_integer): Likewise.
12349         (mov<SSEMODEI>_internal, movti_internal): Force V4SF for SSE1.
12350
12351 2005-01-03  Ira Rosen  <irar@il.ibm.com>
12352
12353         * tree-vectorizer.c (vect_strip_conversions): New function.
12354         (vect_analyze_offset_expr): Call vect_strip_conversions. Add
12355         check for binary class.
12356
12357 2005-01-03  Daniel Berlin  <dberlin@dberlin.org>
12358
12359         Fix PR debug/17924
12360         Fix PR debug/19191
12361         * dwarf2out.c (block_ultimate_origin): Follow decl origin if origin
12362         is a decl.
12363         * gimple-low.c (mark_blocks_with_used_vars): New function.
12364         (mark_blocks_with_used_subblocks): Ditto.
12365         (mark_used_blocks): Ditto.
12366         (pass_mark_used_blocks): New pass.
12367         * tree-inline.c: Include debug.h.
12368         (expand_call_inline): Call outlining_inline_function here.
12369         * tree-optimize.c (init_tree_optimization_passes): Add
12370         pass_mark_used_blocks.
12371         * tree-pass.h (pass_mark_used_blocks): New.
12372         * Makefile.in (tree-inline.o): Add debug.h dependency.
12373
12374 2005-01-03  Geoffrey Keating  <geoffk@apple.com>
12375
12376         * config/darwin.c (darwin_handle_weak_import_attribute): Permit
12377         VAR_DECLs to have weak_import attribute.
12378
12379         * config/rs6000/darwin-fallback.c: Use 'ucontext_t' rather than
12380         'struct ucontext'.
12381
12382 2004-01-03  Steven Bosscher  <stevenb@suse.de>
12383
12384         * passes.c (rest_of_compilation): Don't run regmove if only
12385         flag_expensive_optimizations, require flag_regmove instead.
12386
12387 2005-01-03  Eric Botcazou  <ebotcazou@libertysurf.fr>
12388
12389         * config/sparc/litecoff.h (TARGET_OS_CPP_BUILTINS): Do not
12390         register "sparc".
12391         * config/sparc/sysv4-only.h (TARGET_OS_CPP_BUILTINS): Likewise.
12392         * config/sparc/rtemself.h (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
12393         * config/sparc/sol2-64.h (TARGET_SUB_OS_CPP_BUILTINS): Delete.
12394         * config/sparc/sp64-elf.h (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
12395
12396 2005-01-03  Richard Henderson  <rth@redhat.com>
12397
12398         * config/ia64/ia64.c (TARGET_VECTOR_MODE_SUPPORTED_P): New.
12399         (ia64_const_ok_for_letter_p): New.
12400         (ia64_const_double_ok_for_letter_p): New.
12401         (ia64_extra_constraint): New.
12402         (ia64_expand_vecint_compare): New.
12403         (ia64_expand_vcondu_v2si): New.
12404         (ia64_expand_vecint_cmov): New.
12405         (ia64_expand_vecint_minmax): New.
12406         (ia64_print_operand): Add 'v'.
12407         (ia64_preferred_reload_class): New.
12408         (ia64_vector_mode_supported_p): New.
12409         * config/ia64/ia64.h (UNITS_PER_SIMD_WORD): New.
12410         (PREFERRED_RELOAD_CLASS): Move to function.
12411         (CONST_OK_FOR_LETTER_P): Move to function.
12412         (CONST_DOUBLE_OK_FOR_LETTER_P): Move to function.
12413         (CONSTRAINT_OK_FOR_Q, CONSTRAINT_OK_FOR_R): Remove.
12414         (CONSTRAINT_OK_FOR_S, CONSTRAINT_OK_FOR_T): Remove.
12415         (EXTRA_CONSTRAINT): Move to function.
12416         * config/ia64/ia64.md: Include vect.md.
12417         (itanium_class): Add mmalua.
12418         (type): Handle it.
12419         * config/ia64/itanium1.md (1_mmalua): New.  Add it to bypasses.
12420         (1b_mmalua): New.
12421         * config/ia64/itanium2.md (2_mmalua, 2b_mmalua): Similarly.
12422         * config/ia64/predicates.md (gr_reg_or_0_operand): Accept any
12423         CONST0_RTX.
12424         (const_int_2bit_operand): New.
12425         (fr_reg_or_0_operand): New.
12426         * config/ia64/ia64-modes.def: Add vector modes.
12427         * config/ia64/ia64-protos.h: Update.
12428         * config/ia64/vect.md: New file.
12429
12430 2005-01-03  Richard Henderson  <rth@redhat.com>
12431
12432         * simplify-rtx.c (simplify_binary_operation): Handle VEC_CONCAT.
12433
12434 2005-01-03  Uros Bizjak  <uros@kss-loka.si>
12435
12436         PR target/19236
12437         * config/i386/i386.c (log1psf2): Change mode of operands[0,1]
12438         to SFmode.
12439         (log1pdf2): Change mode of operands[0,1] to DFmode.
12440
12441 2005-01-03  Eric Botcazou  <ebotcazou@libertysurf.fr>
12442
12443         * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Define to false.
12444         * config/sparc/linux.h (SPARC_RELAXED_ORDERING): Define to true.
12445         * config/sparc/linux64.h (SPARC_RELAXED_ORDERING): Likewise.
12446         * config/sparc/sparc.c (TARGET_RELAXED_ORDERING): Define to
12447         SPARC_RELAXED_ORDERING.
12448
12449 2005-01-03  Richard Henderson  <rth@redhat.com>
12450             Uros Bizjak  <uros@kss-loka.si>
12451
12452         PR target/14631
12453         * config/i386/i386.c (ix86_expand_builtin): [IX86_BUILTIN_PINSRW,
12454         IX86_BUILTIN_PINSRW128]: Fix wrong selector range in error message.
12455         * config/i386/i386.md (mmx_pinsrw, sse2_pinsrw): Fix selector
12456         handling.
12457         (*mmx_pinsrw, *sse2_pinsrw): New patterns.
12458         * config/i386/i386/predicates.md (const_pow2_1_to_8_operand,
12459         const_pow2_1_to_128_operand): New predicates.
12460
12461 2005-01-02  Greg McGary  <greg@mcgary.org>
12462
12463         * tree-mudflap.c (mf_varname_tree): decl_printable_name handles
12464         anonymous decls.
12465         (mf_xform_derefs_1) [RESULT_DECL, STRING_CST]: Handle as innermost
12466         object.  [ptr_type]: Remove unused variable.
12467         Remember nearest addressable array-element or record-component
12468         when checking bitfield components.  Tolerate empty BIND_EXPR.
12469
12470 2005-01-01  Richard Henderson  <rth@redhat.com>
12471
12472         * tree-vectorizer.c (vect_analyze_offset_expr): Strip conversions
12473         that don't narrow the value.  Fail for other conversions.
12474
12475 2005-01-01  Richard Henderson  <rth@redhat.com>
12476
12477         PR c/19031
12478         * c-decl.c (pop_file_scope): Call maybe_apply_pending_pragma_weaks.
12479         * c-lang.c (finish_file): Don't do it here.
12480         * objc/objc-act.c (objc_finish_file): Likewise.
12481
12482         * cgraph.c (decl_assembler_name_equal): New.
12483         (cgraph_node_for_asm, cgraph_varpool_node_for_asm): New.
12484         (cgraph_varpool_node): Actually link up cgraph_varpool_nodes.
12485         * cgraph.h (struct cgraph_varpool_node): Add next.
12486         (cgraph_node_for_asm, cgraph_varpool_node_for_asm): Declare.
12487         * varasm.c (assemble_alias): Mark the target as needed.
12488
12489 2005-01-01  Andrew Pinski  <pinskia@physics.uc.edu>
12490
12491         PR middle-end/19221
12492         * function.c (get_arg_pointer_save_area): Use entry_of_function
12493         instead of get_insns.
12494
12495 2005-01-01  Roger Sayle  <roger@eyesopen.com>
12496             Andrew Pinski  <pinskia@physics.uc.edu>
12497             James E. Wilson  <wilson@specifixinc.com>
12498
12499         PR rtl-optimization/12092
12500         * loop.c (emit_prefetch_instructions): Do nothing if PREFETCH_BLOCK
12501         is zero.
12502
12503 2005-01-01  Roger Sayle  <roger@eyesopen.com>
12504             Olivier Hainque  <hainque@act-europe.fr>
12505
12506         * tree.c (int_fits_type_p): A narrower type always fits in a
12507         wider one, except for negative values into unsigned types.
12508
12509 2005-01-01  Roger Sayle  <roger@eyesopen.com>
12510
12511         * tree.c (int_fits_type_p): Compare the result of force_fit_type
12512         with the original constant rather than require TREE_OVERFLOW.
12513
12514 2005-01-01  Steven Bosscher  <stevenb@suse.de>
12515
12516         PR middle-end/17544
12517         * c-decl.c (finish_function): If compiling C99, annotate the
12518         compiler generated return with the current file name and line 0.
12519         * tree-cfg.c (remove_useless_stmts_warn_notreached): Only warn if
12520         the source line is greater than 0.
12521         (remove_bb): Likewise.