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1 2005-04-19  Kazu Hirata  <kazu@cs.umass.edu>
2
3         PR tree-optimization/21096
4         * tree-ssa-copy.c (fini_copy_prop): Free cached_last_copy_of.
5
6 2005-04-19  Alan Modra  <amodra@bigpond.net.au>
7
8         PR target/21098
9         * config/rs6000/rs6000.c (rs6000_elf_end_indicate_exec_stack): New.
10         * config/rs6000/linux64.h (TARGET_ASM_FILE_END): Use the above.
11
12 2005-04-19  Alexandre Oliva  <aoliva@redhat.com>
13
14         * tree-cfg.c (dump_function_to_file): Use cfun info only if it
15         refers to the function being dumped.
16
17 2005-04-18  Daniel Jacobowitz  <dan@codesourcery.com>
18
19         * varasm.c (assemble_start_function): Remove reset of in_section.
20
21 2005-04-18  James A. Morrison  <phython@gcc.gnu.org>
22
23         PR tree-optimization/21085
24         * fold-const (fold_binary): Don't change X % -C to X % C if C has
25         overflowed.
26
27 2005-04-19  Ben Elliston  <bje@au.ibm.com>
28
29         * doc/invoke.texi (Optimize Options): Refer to the correct
30         optimisation flag -ftree-dominator-opts, not -ftree-dom.
31
32 2005-04-18  Christopher Jaillet <christophe.jaillet@wanadoo.fr>
33
34         * config/rs6000/rs6000.c (machopic_output_stub):  Increase
35         alloca argument to be big enough.
36
37 2005-04-18  Alexandre Oliva  <aoliva@redhat.com>
38
39         PR middle-end/21049
40         * tree-cfg.c (dump_function_to_file): Do not crash if cfun or
41         cfun->cfg are NULL.
42
43 2005-04-18  Tom Tromey  <tromey@redhat.com>
44
45         * cgraphunit.c (cgraph_finalize_compilation_unit): Fix a comment
46         typo.
47
48 2005-04-18  Richard Henderson  <rth@redhat.com>
49
50         * config/alpha/alpha.c (alpha_split_atomic_op): New.
51         (alphaev5_insn_pipe): Add LD_L, ST_C, MB types.
52         (alphaev4_insn_pipe): Likewise.  Correct IST and LDSYM pipes.
53         * config/alpha/alpha-protos.h: Update.
54         * config/alpha/alpha.md (UNSPECV_MB, UNSPECV_LL, UNSPECV_SC): New.
55         (UNSPECV_ATOMIC, UNSPECV_CMPXCHG, UNSPECV_XCHG): New.
56         (attr type): Add ld_l, st_c, mb.
57         (andsi_internal, andnotsi3, iorsi_internal, one_cmplsi_internal,
58         iornotsi3, xorsi_internal, xornotsi3): New.
59         * config/alpha/ev4.md (ev4_ld): Add ld_l.
60         (ev4_ist_c, ev4_mb): New.
61         * config/alpha/ev5.md (ev5_st): Add st_c, mb.
62         (ev5_ld_l): New.
63         * config/alpha/ev6.md (ev6_ild): Add ld_l.
64         (ev6_ist): Add st_c.
65         (ev6_mb): New.
66         * config/alpha/sync.md: New file.
67
68 2005-04-18  Richard Henderson  <rth@redhat.com>
69
70         * builtins.c (expand_builtin_sync_operation): Fold nand to and
71         for constants.
72
73         * optabs.c (expand_sync_operation): Fix typo expanding nand to and.
74
75 2005-04-18  Devang Patel  <dpatel@apple.com>
76
77         * config/rs6000/atlivec.md (mulv4si3): New pattern.
78         
79 2005-04-18  James A. Morrison  <phython@gcc.gnu.org>
80
81         PR tree-optimization/20922
82         * fold-const.c (fold_binary): Fold X - c > X and X + c < X to false.
83         Fold X + c >= X and fold X - c <= X to true.
84
85 2005-04-18  James A. Morrison  <phython@gcc.gnu.org>
86
87         * config/ia64/unwind-ia64.c (emergency_reg_state_free): Make an
88         unsigned int.
89         (emergency_labeled_state_free): Likewise.
90
91 2005-04-18  Nick Clifton  <nickc@redhat.com>
92
93         * config/h8300/h8300.md (jump): Remove prescan parameter from
94         calls to final_scan_insn.
95
96         * config/arc/arc.c (arc_output_function_epilogue): Remove prescan
97         parameter from calls to final_scan_insn.
98
99         * config.gcc (m68hc12): Use the m68hc11.opt file for target
100         specific options.
101         (v850e, v850e1): Use the v850.opt file for target specific
102         options.
103
104 2005-04-18  Kazu Hirata  <kazu@cs.umass.edu>
105
106         PR tree-optimization/21001
107         * tree-optimize.c (init_tree_optimization_passes): Move the
108         first pass_forwprop immediately before pass_vrp.
109
110 2005-04-17  Ian Lance Taylor  <ian@airs.com>
111
112         * c-common.def (SIZEOF_EXPR, ARROW_EXPR, ALIGNOF_EXPR): Remove.
113         * c-common.c (c_sizeof_or_alignof_type): Change second parameter
114         from enum tree_code op to bool is_sizeof.
115         * c-common.h (c_sizeof_or_alignof_type): Update declaration.
116         (c_sizeof, c_alignof): Update calls to c_sizeof_or_alignof_type.
117         * c-pretty-print.c (pp_c_postfix_expression): Remove ARROW_EXPR
118         case.
119         (pp_c_unary_expression): Remove SIZEOF_EXPR and ALIGNOF_EXPR
120         cases.
121         (pp_c_expression): Remove ARROW_EXPR, SIZEOF_EXPR, and
122         ALIGNOF_EXPR cases.
123
124 2005-04-17  Ian Lance Taylor  <ian@airs.com>
125
126         * system.h: Poison DONT_ACCESS_GBLS_AFTER_EPILOGUE.
127
128 2005-04-17  Richard Henderson  <rth@redhat.com>
129
130         * config/alpha/alpha.c (va_list_skip_additions): Only define if
131         TARGET_ABI_OSF.
132         (TARGET_STDARG_OPTIMIZE_HOOK): Likewise.
133         (alpha_stdarg_optimize_hook): Likewise.  Allow for one more round
134         of indirection through ssa names while looking for the gpr counter
135         field.
136         (alpha_setup_incoming_varargs) <TARGET_ABI_OSF>: Make use of the
137         saved va_list_gpr_size and va_list_fpr_size.
138
139 2005-04-17  Kazu Hirata  <kazu@cs.umass.edu>
140
141         * tree-vrp.c (compare_values): Check that VAL1 and VAL2 are
142         both pointers or both integers.
143
144         * tree-vrp.c (maybe_add_assert_expr): Don't assert
145         ASSERT_EXPRs for single-use variable.
146
147         * tree-into-ssa.c: Fix a comment typo.
148
149 2005-04-17  Richard Sandiford  <rsandifo@redhat.com>
150
151         * config/mips/iris6.h (DRIVER_SELF_SPECS): Check -march as well as
152         -mipsN before forcing a default of -mips2.
153
154 2005-04-17  Kazu Hirata  <kazu@cs.umass.edu>
155
156         * predict.h (IS_TAKEN): Remove.
157         * rtl.h (NOTE_PREDICTION): Likewise.
158
159         * modulo-sched.c (CFG_HOOKS): Remove.
160
161         * c-parser.c (N_C_TTYPES): Remove.
162
163         * tree-flow-inline.h (get_stmt_operands): Remove.
164         * lambda-code.c, tree-ssa-loop-unswitch.c,
165         tree-ssa-operands.c, tree-ssa-pre.c, tree-ssa-propagate.c,
166         tree-ssa-sink.c, tree-ssa.c, tree-tailcall.c,
167         tree-vect-transform.c, tree-vectorizer.c, tree-vrp.c): Remove
168         calls to get_stmt_operands.
169         * doc/tree-ssa.texi: Don't mention get_stmt_operands.
170
171 2005-04-17  Richard Henderson  <rth@redhat.com>
172
173         PR target/20375
174         * config/alpha/alpha.c (alpha_setup_incoming_varargs): Advance a copy
175         of CUMULATIVE_ARGS past the last named argument.
176         (alpha_va_start): Expect pretend_args_size only if strictly less than
177         6 named arguments.
178
179 2005-04-17  Kazu Hirata  <kazu@cs.umass.edu>
180
181         PR middle-end/21024
182         * builtins.c (expand_builtin_strcat): Convert the result of
183         strlen to the right type.
184         * fold-const.c (fold_binary) <PLUS_EXPR>: Use fold_convert to
185         avoid creating type mismatches.
186         <GE_EXPR>: Pass op0 and op1 to fold_build2 to avoid creating
187         type mismatches.
188
189         * c-lex.c (WCHAR_TYPE_SIZE, WCHAR_BYTES): Remove.
190
191 2005-04-16  Richard Henderson  <rth@redhat.com>
192
193         PR target/21051
194         * builtins.c (expand_builtin) <BUILT_IN_BOOL_COMPARE_AND_SWAP_*>:
195         Use the mode of boolean_type_node when the user doesn't provide one.
196         * config/ia64/sync.md (sync_lock_release<I48MODE>): Use operand 1.
197
198 2005-04-16  Alexandre Oliva  <aoliva@redhat.com>
199
200         PR target/20126
201         * loop.c (loop_givs_rescan): Handle non-replaceable (plus (reg)
202         (const)).
203
204         * tree-scalar-evolution.c (interpret_rhs_modify_expr): Fix typo in
205         comment.
206
207 2005-04-16  Roger Sayle  <roger@eyesopen.com>
208             Steven Bosscher  <stevenb@suse.de>
209
210         * fold-const.c (fold_binary_to_constant): Delete obsolete comment.
211         (fold_unary_to_constant): Likewise.
212
213 2005-04-16  Kazu Hirata  <kazu@cs.umass.edu>
214
215         * basic-block.h: Adjust the value of PROP_SCAN_DEAD_STORES,
216         PROP_ASM_SCAN.
217
218 2005-04-16  Gerald Pfeifer  <gerald@pfeifer.com>
219
220         * doc/install.texi (Specific): Avoid using asterisks in @anchor
221         names related to target triplets.
222         Remove i?86-*-esix from platform directory.
223         Remove powerpc-*-eabiaix from platform directory.
224
225 2005-04-16  Joseph S. Myers  <joseph@codesourcery.com>
226
227         PR middle-end/20491
228         * config/ia64/ia64.c (rtx_needs_barrier): Recurse instead of
229         falling through from SUBREG case to REG.
230
231 2005-04-15  Roger Sayle  <roger@eyesopen.com>
232
233         * fold-const.c (fold_relational_hi_lo): Delete function and prototype.
234         (fold_binary): Update comment mentioning fold_relational_hi_lo.
235         (fold_binary_to_constant): Simplify using fold_binary.
236         (fold_unary_to_constant): Likewise, simplify using fold_unary.
237
238 2005-04-15  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
239
240         * gthr-posix.c (pthread_cancel): Define.
241         (pthread_mutexattr_init): Likewise.
242         (pthread_mutexattr_settype): Likewise.
243         (pthread_mutexattr_destroy): Likewise.
244
245 2005-04-15  David S. Miller  <davem@davemloft.net>
246
247         PR target/20673
248         * config/sparc/sparc.h (sparc_hard_reg_printed): Mark as GTY(()).
249
250 2005-04-15  Kazu Hirata  <kazu@cs.umass.edu>
251
252         PR tree-optimization/21031
253         * tree-ssa-forwprop.c (ssa_name_defined_by_comparison_p): New.
254         (forward_propagate_into_cond_1): Call it.  Forward propagate
255         integer-integer casts into COND_EXPRs.
256
257 2005-04-15  Dave Korn  <dave.korn@artimi.com>
258
259         * gcc.c (default_compilers): Clarify obscure error message when
260         reading from standard input.
261
262 2005-04-15  Kazu Hirata  <kazu@cs.umass.edu>
263
264         * basic-block.h (PROP_EQUAL_NOTES): Remove.
265         * flow.c (propagate_one_insn): Don't use PROP_EQUAL_NOTES.
266
267         * tree-ssa-alias.c (init_alias_info): Remove a call to
268         get_stmt_operands.
269
270 2005-04-15  Andrew MacLeod  <amacleod@redhat.com>
271
272         * tree-vect-analyze.c (vect_stmt_relevant_p): Process immediate uses
273         of non-virtual PHI nodes like we use to.
274
275 2005-05-15  Paolo Bonzini  <bonzini@gnu.org>
276
277         * genattrtab.c (ATTR_EQ_ATTR_P): Remove.
278         (attr_copy_rtx): Do not use it.
279
280 2005-04-15  Andrew Macleod  <amacleod@redhat.com>
281
282         * doc/tree-ssa.texi: Grammer/abbreviation updates.
283
284 2005-04-15  Diego Novillo  <dnovillo@redhat.com>
285
286         * tree-vect-transform.c (vectorizable_store): Mark necessary
287         objects in the vectorized store needing renaming.  Update the
288         SSA graph for V_MAY_DEF operands in the original store.
289
290 2005-04-14  Daniel Berlin <dberlin@dberlin.org>
291
292         * tree-ssa-pre.c (compute_avail): It's okay to have
293         TREE_INVARIANT's here, and value number the resulting expressions.
294         (create_expression_by_pieces): Make sure operands that were
295         min_invariant when we started, stay that way.
296
297 2005-04-15  David Edelsohn  <edelsohn@gnu.org>
298
299         * doc/install.texi (*-ibm-aix*): Add comment about system limits.
300
301 2005-04-15  Kazu Hirata  <kazu@cs.umass.edu>
302
303         PR tree-optimization/20936.
304         * tree-ssa-ccp.c (visit_assignment): Fix a typo.
305
306 2005-04-15  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
307
308         * doc/invoke.texi: Fix typos.
309         * doc/md.texi: Likewise.
310         * doc/rtl.texi: Likewise.
311         * doc/sourcebuild.texi: Likewise.
312         * doc/tm.texi: Likewise.
313
314 2005-04-15  Uros Bizjak  <uros@kss-loka.si>
315
316         PR tree-optimization/21004
317         * convert.c (convert_to_integer): Convert ceilf, ceill, floorf
318         and floorl in c99 mode only.
319         * builtins.c (expand_builtin_int_roundingfn): Assert that
320         fallback_fndecl is not NULL_TREE.
321
322 2005-04-15  Kazu Hirata  <kazu@cs.umass.edu>
323
324         * cfgrtl.c (purge_all_dead_edge): Remove an unused argument.
325         * basic-block.h: Update the prototype for
326         purge_all_dead_edges.
327         * cfgexpand.c (tree_expand_cfg): Update a call to
328         purge_all_dead_edges.
329         * combine.c (combine_instructions): Likewise.
330         * passes.c (rest_of_handle_old_regalloc, rest_of_handle_cse,
331         rest_of_handle_cse2, rest_of_handle_gcse,
332         rest_of_handle_postreload): likewise.
333
334 2005-04-15  Alexandre Oliva  <aoliva@redhat.com>
335
336         PR middle-end/20739
337         * gimplify.c (gimplify_addr_expr): Compensate for removal of
338         e.g. cv-qualification conversions.
339
340 2005-04-14  Mike Stump  <mrs@apple.com>
341
342         * config/darwin-c.c (framework_construct_pathname): We must
343         find all headers of a framework in the first instance of it
344         found in the seach path.
345
346 2005-04-14  Kazu Hirata  <kazu@cs.umass.edu>
347
348         PR tree-optimization/21021
349         * tree-vrp.c (compare_values): Work around a bug in the front
350         end that produces a comparison of mismatched types.
351
352 2004-04-14  Richard Henderson  <rth@redhat.com>
353
354         * config/ia64/ia64.h (enum fetchop_code): Remove.
355         (enum ia64_builtins): Move ...
356         * config/ia64/ia64.c (enum ia64_builtins): ... here.  Remove all
357         members except BSP and FLUSHRS.
358         (ia64_init_builtins): Remove __sync builtins.
359         (ia64_expand_builtin): Likewise.
360         (ia64_expand_fetch_and_op, ia64_expand_op_and_fetch): Remove.
361         (ia64_expand_compare_and_swap, ia64_expand_lock_test_and_set): Remove.
362         (ia64_expand_lock_release): Remove.
363         * config/ia64/ia64.md (mf): Move to sync.md.
364         (mf_internal, fetchadd_acq_si, fetchadd_acq_di, cmpxchg_acq_si,
365         cmpxchg_acq_di, xchgsi, xchgdi): Likewise.
366         * config/ia64/sync.md: New file.
367         (memory_barrier): Rename from mf.
368         (fetchadd_acq_<I48MODE>): Macroize from _si/_di patterns.
369         (cmpxchg_acq_<I48MODE>): Likewise.
370         (sync_lock_test_and_set<I48MODE>): Likewise.
371
372         * config/ia64/ia64intrin.h: Define nothing for C; limit #defines
373         to c++.  Remove __sync* declarations.  s/_si/_4/.  s/_di/_8/.
374
375 2004-04-14  Richard Henderson  <rth@redhat.com>
376
377         * config/i386/i386.c (x86_cmpxchg, x86_xadd): New.
378         (ix86_compare_emitted): New.
379         (ix86_expand_compare): Use ix86_compare_emitted if set.
380         (ix86_expand_setcc): Only emit REG_EQUAL if both ix86_compare_op0
381         and ix86_compare_op0 are set.
382         * config/i386/i386.h (x86_cmpxchg, x86_xadd): Declare.
383         (TARGET_CMPXCHG, TARGET_XADD): New.
384         (ix86_compare_emitted): Declare.
385         * config/i386/i386.md: Include sync.md
386         (UNSPECV_CMPXCHG_1, UNSPECV_CMPXCHG_2): New.
387         (UNSPECV_XCHG, UNSPECV_LOCK): New.
388         * config/i386/sync.md: New file.
389
390 2004-04-14  Richard Henderson  <rth@redhat.com>
391
392         PR middle-end/14311
393         * builtin-types.def (BT_BOOL, BT_VOLATILE_PTR, BT_I1, BT_I2,
394         BT_I4, BT_I8, BT_FN_VOID_VPTR, BT_FN_I1_VPTR_I1, BT_FN_I2_VPTR_I2,
395         BT_FN_I4_VPTR_I4, BT_FN_I8_VPTR_I8, BT_FN_BOOL_VPTR_I1_I1,
396         BT_FN_BOOL_VPTR_I2_I2, BT_FN_BOOL_VPTR_I4_I4, BT_FN_BOOL_VPTR_I8_I8,
397         BT_FN_I1_VPTR_I1_I1, BT_FN_I2_VPTR_I2_I2, BT_FN_I4_VPTR_I4_I4,
398         BT_FN_I8_VPTR_I8_I8): New.
399         * builtins.def (DEF_SYNC_BUILTIN): New.
400         (BUILT_IN_FETCH_AND_ADD_N, BUILT_IN_FETCH_AND_ADD_1,
401         BUILT_IN_FETCH_AND_ADD_2, BUILT_IN_FETCH_AND_ADD_4,
402         BUILT_IN_FETCH_AND_ADD_8, BUILT_IN_FETCH_AND_SUB_N,
403         BUILT_IN_FETCH_AND_SUB_1, BUILT_IN_FETCH_AND_SUB_2,
404         BUILT_IN_FETCH_AND_SUB_4, BUILT_IN_FETCH_AND_SUB_8,
405         BUILT_IN_FETCH_AND_OR_N, BUILT_IN_FETCH_AND_OR_1,
406         BUILT_IN_FETCH_AND_OR_2, BUILT_IN_FETCH_AND_OR_4,
407         BUILT_IN_FETCH_AND_OR_8, BUILT_IN_FETCH_AND_AND_N,
408         BUILT_IN_FETCH_AND_AND_1, BUILT_IN_FETCH_AND_AND_2,
409         BUILT_IN_FETCH_AND_AND_4, BUILT_IN_FETCH_AND_AND_8,
410         BUILT_IN_FETCH_AND_XOR_N, BUILT_IN_FETCH_AND_XOR_1,
411         BUILT_IN_FETCH_AND_XOR_2, BUILT_IN_FETCH_AND_XOR_4,
412         BUILT_IN_FETCH_AND_XOR_8, BUILT_IN_FETCH_AND_NAND_N,
413         BUILT_IN_FETCH_AND_NAND_1, BUILT_IN_FETCH_AND_NAND_2,
414         BUILT_IN_FETCH_AND_NAND_4, BUILT_IN_FETCH_AND_NAND_8,
415         BUILT_IN_ADD_AND_FETCH_N, BUILT_IN_ADD_AND_FETCH_1,
416         BUILT_IN_ADD_AND_FETCH_2, BUILT_IN_ADD_AND_FETCH_4,
417         BUILT_IN_ADD_AND_FETCH_8, BUILT_IN_SUB_AND_FETCH_N,
418         BUILT_IN_SUB_AND_FETCH_1, BUILT_IN_SUB_AND_FETCH_2,
419         BUILT_IN_SUB_AND_FETCH_4, BUILT_IN_SUB_AND_FETCH_8,
420         BUILT_IN_OR_AND_FETCH_N, BUILT_IN_OR_AND_FETCH_1,
421         BUILT_IN_OR_AND_FETCH_2, BUILT_IN_OR_AND_FETCH_4,
422         BUILT_IN_OR_AND_FETCH_8, BUILT_IN_AND_AND_FETCH_N,
423         BUILT_IN_AND_AND_FETCH_1, BUILT_IN_AND_AND_FETCH_2,
424         BUILT_IN_AND_AND_FETCH_4, BUILT_IN_AND_AND_FETCH_8,
425         BUILT_IN_XOR_AND_FETCH_N, BUILT_IN_XOR_AND_FETCH_1,
426         BUILT_IN_XOR_AND_FETCH_2, BUILT_IN_XOR_AND_FETCH_4,
427         BUILT_IN_XOR_AND_FETCH_8, BUILT_IN_NAND_AND_FETCH_N,
428         BUILT_IN_NAND_AND_FETCH_1, BUILT_IN_NAND_AND_FETCH_2,
429         BUILT_IN_NAND_AND_FETCH_4, BUILT_IN_NAND_AND_FETCH_8,
430         BUILT_IN_BOOL_COMPARE_AND_SWAP_N, BUILT_IN_BOOL_COMPARE_AND_SWAP_1,
431         BUILT_IN_BOOL_COMPARE_AND_SWAP_2, BUILT_IN_BOOL_COMPARE_AND_SWAP_4,
432         BUILT_IN_BOOL_COMPARE_AND_SWAP_8, BUILT_IN_VAL_COMPARE_AND_SWAP_N,
433         BUILT_IN_VAL_COMPARE_AND_SWAP_1, BUILT_IN_VAL_COMPARE_AND_SWAP_2,
434         BUILT_IN_VAL_COMPARE_AND_SWAP_4, BUILT_IN_VAL_COMPARE_AND_SWAP_8,
435         BUILT_IN_LOCK_TEST_AND_SET_N, BUILT_IN_LOCK_TEST_AND_SET_1,
436         BUILT_IN_LOCK_TEST_AND_SET_2, BUILT_IN_LOCK_TEST_AND_SET_4,
437         BUILT_IN_LOCK_TEST_AND_SET_8, BUILT_IN_LOCK_RELEASE_N,
438         BUILT_IN_LOCK_RELEASE_1, BUILT_IN_LOCK_RELEASE_2,
439         BUILT_IN_LOCK_RELEASE_4, BUILT_IN_LOCK_RELEASE_8,
440         BUILT_IN_SYNCHRONIZE: New.
441         * builtins.c (called_as_built_in): Rewrite from CALLED_AS_BUILT_IN
442         as a function.  Accept __sync_ as a prefix as well.
443         (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
444         expand_builtin_lock_test_and_set, expand_builtin_synchronize,
445         expand_builtin_lock_release): New.
446         (expand_builtin): Call them.
447         * c-common.c (DEF_BUILTIN): Don't require __builtin_ prefix if
448         neither BOTH_P nor FALLBACK_P are defined.
449         (builtin_type_for_size): New.
450         (sync_resolve_size, sync_resolve_params, sync_resolve_return): New.
451         (resolve_overloaded_builtin): New.
452         * c-common.h (resolve_overloaded_builtin): Declare.
453         (builtin_type_for_size): Declare.
454         * c-typeck.c (build_function_call): Invoke resolve_overloaded_builtin.
455         * expr.c (sync_add_optab, sync_sub_optab, sync_ior_optab,
456         sync_and_optab, sync_xor_optab, sync_nand_optab, sync_old_add_optab,
457         sync_old_sub_optab, sync_old_ior_optab, sync_old_and_optab,
458         sync_old_xor_optab, sync_old_nand_optab, sync_new_add_optab,
459         sync_new_sub_optab, sync_new_ior_optab, sync_new_and_optab,
460         sync_new_xor_optab, sync_new_nand_optab, sync_compare_and_swap,
461         sync_compare_and_swap_cc, sync_lock_test_and_set,
462         sync_lock_release): New.
463         * optabs.h: Declare them.
464         * expr.h (expand_val_compare_and_swap, expand_bool_compare_and_swap,
465         expand_sync_operation, expand_sync_fetch_operation,
466         expand_sync_lock_test_and_set): Declare.
467         * genopinit.c (optabs): Add sync optabs.
468         * optabs.c (init_optabs): Initialize sync optabs.
469         (expand_val_compare_and_swap_1, expand_val_compare_and_swap,
470         expand_bool_compare_and_swap, expand_compare_and_swap_loop,
471         expand_sync_operation, expand_sync_fetch_operation,
472         expand_sync_lock_test_and_set): New.
473         * doc/extend.texi (Atomic Builtins): New section
474         * doc/md.texi (Standard Names): Add sync patterns.
475
476 2005-04-14  Alexandre Oliva  <aoliva@redhat.com>
477
478         * tree-eh.c (lower_try_finally_copy): Generate new code in
479         response to goto_queue entries as if the queue was sorted by
480         index, not pointers.
481         (lower_try_finally_switch): Likewise.
482
483 2005-04-14  Richard Henderson  <rth@redhat.com>
484
485         * config/i386/i386.c (ix86_expand_sse_cmp): Split out from ...
486         (ix86_expand_sse_movcc): ... here.  Take cmp as a pre-computed
487         register.
488         (ix86_expand_fp_movcc): Update to match.
489         (ix86_expand_fp_vcond, ix86_expand_int_vcond): New.
490         * config/i386/i386-protos.h: Update.
491         * config/i386/sse.md (vcondv4sf, vcondv2df): New.
492         (vcond<SSEMODE124>, vcondu<SSEMODE12>): New.
493
494 2005-04-14  Joseph S. Myers  <joseph@codesourcery.com>
495
496         * doc/cpp.texi, doc/install.texi: Change references to GCC 3.5 to
497         refer to 4.0.
498
499 2005-04-14  Julian Brown  <julian@codesourcery.com>
500
501         * Revert elfos.h part of my patch from 2005-04-13 for causing libstdc++
502         link failures on ppc64 Linux.
503
504 2005-04-14  Andreas Krebbel  <krebbel1@de.ibm.com>
505
506         * config.gcc: Set cpu_type for s390.
507
508 2005-04-14  Daniel Berlin  <dberlin@dberlin.org>
509
510         Fix PR tree-optimization/20963
511         * tree-ssa-pre.c (compute_avail): Remove special case for
512         TREE_INVARIANT.
513         (create_expression_by_pieces): Add value numbers for forced out
514         statements.
515
516 2005-04-14  Hans-Peter Nilsson  <hp@axis.com>
517
518         * config/cris/cris.md: Replace references to (reg:SI 16) with
519         (reg:SI CRIS_SRP_REGNUM).
520
521 2005-04-14  Kazu Hirata  <kazu@cs.umass.edu>
522
523         PR tree-optimization/20657
524         * tree-vrp.c (extract_range_from_expr): Notice INTEGER_CST to
525         create an appropriate range from it.
526
527 2005-04-14  Uros Bizjak  <uros@kss-loka.si>
528
529         * reg-stack.c (subst_stack_regs_pat): Handle <UNSPEC_FIST_FLOOR> and
530         <UNSPEC_FIST_CEIL> case.
531
532         * config/i386/i386.md (UNSPEC_FIST_FLOOR, UNSPEC_FIST_CEIL): New.
533         (*fist<mode>2_floor_1, fistdi2_floor, fistdi2_floor_with_temp)
534         (fist<mode>2_floor, fist<mode>2_floor_with_temp): New isns patterns
535         to implement lfloor and llfloor built-ins as x87 intrinsic function.
536         (fistdi2_floor, fist<mode>2_floor splitters): New splitters.
537         (lfloor<mode>2): New expanders.
538         (*fist<mode>2_ceil_1, fistdi2_ceil, fistdi2_ceil_with_temp)
539         (fist<mode>2_ceil, fist<mode>2_ceil_with_temp): New isns patterns
540         to implement lceil and llceil built-ins as x87 intrinsic function.
541         (fistdi2_ceil, fist<mode>2_ceil splitters): New splitters.
542         (lceil<mode>2): New expanders.
543
544 2005-04-14  Uros Bizjak  <uros@kss-loka.si>
545
546         * convert.c (convert_to_integer): Convert (long int)trunc{,f,l},
547         and (long long int)ceil{,f,l} into FIX_TRUNC_EXPR.
548
549 2005-04-14  Ulrich Weigand  <uweigand@de.ibm.com>
550
551         PR target/20927
552         * config/s390/s390-modes.def: Define TFmode.
553
554 2005-04-13  Richard Sandiford  <rsandifo@redhat.com>
555
556         * config/mips/mips.h (ASM_OUTPUT_CASE_LABEL): Delete.
557         (JUMP_TABLES_IN_TEXT_SECTION): Define.
558         * config/mips/mips.c (mips16_insn_length): Remove reference to
559         JUMP_TABLES_IN_TEXT_SECTION.
560
561 2005-04-13 Fariborz Jahanian <fjahanian@apple.com>
562
563         * simplify-rtx.c (simplify_binary_operation_1): Return
564         scalar or vector of constant 0, depending on the xor's
565         mode.
566
567 2005-04-13  Dale Johannesen  <dalej@apple.com>
568
569         * objc/Make-lang.in (objc-lang.o):  Depend on tree-gimple.h.
570         (objc-act.o):  Ditto.
571         * objc/objc-act.c (objc_gimplify_expr):  New.
572         (objc_get_callee_fndecl):  New.
573         * objc/objc-act.h:  Include tree-gimple.h.  Declare new functions.
574         * objc/objc-lang.c (LANG_HOOKS_GIMPLIFY_EXPR):  Define.
575         (LANG_HOOKS_GET_CALLEE_FNDECL):  Define.
576
577 2005-04-13  Devang Patel  <dpatel@apple.com>
578
579         * tree-if-conv.c (tree_if_convert_cond_expr): Do not create extra
580         temp variables.
581
582 2005-04-13  Hans-Peter Nilsson  <hp@axis.com>
583
584         CRIS prologue as RTL.
585         * config/cris/cris-protos.h (cris_emit_movem_store)
586         (cris_expand_prologue): Prototype.
587         * config/cris/cris.c (struct machine_function): New member
588         stdarg_regs.
589         (cfa_label_num, cris_target_asm_function_prologue): Remove.
590         (TARGET_ASM_FUNCTION_PROLOGUE): Don't override.
591         (cris_general_operand_or_gotless_symbol): Accept CRIS_UNSPEC_GOT.
592         (cris_load_multiple_op, cris_return_address_on_stack)
593         (cris_return_address_on_stack_for_return): ISO-Cify.
594         (cris_store_multiple_op): New predicate function.
595         (cris_expand_prologue, cris_emit_movem_store): New functions.
596         (cris_print_operand) <case 'O'>: Handle modifications other than
597         post-increment.
598         (cris_symbol, cris_got_symbol): Return 0 for CRIS_UNSPEC_GOT.
599         (cris_gotless_symbol): Return 1 for CRIS_UNSPEC_GOT.
600         (cris_gen_movem_load): Rearrange slightly to make local variable
601         src a parameter, removing osrc.
602         (cris_setup_incoming_varargs): Set machine_function member
603         stdarg_regs to correspond to the number of registers that need to
604         be saved.
605         * config/cris/cris.h (EXTRA_CONSTRAINT_S): Accept
606         CRIS_UNSPEC_GOT.
607         (PREDICATE_CODES): Add cris_store_multiple_op.  Make
608         cris_general_operand_or_gotless_symbol accept UNSPEC.
609         * config/cris/cris.md (CRIS_UNSPEC_GOT): New constant.
610         ("*movsi_internal") <alternative 8>: Handle CRIS_UNSPEC_GOT.
611         ("*cris_store_multiple"): New pattern.  Tweak common comment above
612         this and "*cris_load_multiple".
613         ("prologue"): New define_expand.
614
615         * config/cris/cris.md ("epilogue"): Conditionalize on
616         TARGET_PROLOGUE_EPILOGUE.
617
618 2005-04-13  Steve Ellcey  <sje@cup.hp.com>
619
620         PR target/20924
621         * config/ia64/ia64.md (divsf3_internal_lat): Generate frcpa with
622         fpsr 0 instead of fpsr 1.
623         (divsf3_internal_thr): Ditto.
624         (divdf3_internal_lat): Ditto.
625         (divdf3_internal_thr): Ditto.
626         (divxf3_internal_lat): Ditto.
627         (divxf3_internal_thr): Ditto.
628
629 2005-04-13  Kazu Hirata  <kazu@cs.umass.edu>
630
631         PR tree-optimization/20913
632         * tree-ssa-copy.c (copy_prop_visit_cond_stmt): Fold COND_EXPR.
633
634         PR tree-optimization/20702
635         * tree-vrp.c (maybe_add_assert_expr): Recurse into
636         dominator children that haven't been walked into.
637
638 2005-04-13  Julian Brown  <julian@codesourcery.com>
639
640         * config/elfos.h (MAKE_DECL_ONE_ONLY): Redefined to stop DECL_WEAK from
641         being used for symbols with vague linkage when HAVE_GAS_COMDAT_GROUP
642         is true.
643
644 2005-04-13  Kazu Hirata  <kazu@cs.umass.edu>
645
646         * basic-block.h, tree-ssa-uncprop.c, varasm.c,
647         config/i386/sse.md: Fix comment typos.
648
649         * genattrtab.c (NULL_ATTR): Remove.
650         * ifcvt.c (NULL_EDGE): Likewise.
651
652         * rtl.h (RTX_EXPR_FIRST, RTX_EXPR_LAST): Remove.
653
654         * rtl.h (NOTE_PREDICTION_ALG, NOTE_PREDICTION_FLAGS,
655         NOTE_PREDICT): Remove.
656
657 2005-04-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
658
659         * configure.ac (gcc_AC_CHECK_DECLS): Add vsnprintf.
660         * configure: Regenerate.
661         * config.in: Likewise.
662         * system.h: Declare vsnprintf if not already declared.
663
664 2005-04-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
665
666         * optc-gen.awk: Handle stand-alone Mask records.
667         * opth-gen.awk: Likewise.
668         * doc/options.texi (Option file format): Document them.
669         * config.gcc (sparc-*-netbsdelf*, sparc-*-linux*, sparc64-*-freebsd*,
670         sparc64-*-linux*, sparc64-*-netbsd*): Add long-double-switch.opt.
671         (sparc64-*-openbsd*, sparc64-*-elf*): Add little-endian.opt.
672         * config/sparc/sparc.h (MASK_FPU, MASK_UNALIGNED_DOUBLES,
673         MASK_V8, MASK_SPARCLITE, MASK_SPARCLET, MASK_V9,
674         MASK_DEPRECATED_V8_INSNS, MASK_IMPURE_TEXT, MASK_APP_REGS,
675         MASK_HARD_QUAD, MASK_LITTLE_ENDIAN, MASK_PTR64, MASK_64BIT,
676         MASK_STACK_BIAS, MASK_FPU_SET, MASK_VIS, MASK_V8PLUS,
677         MASK_FASTER_STRUCTS, MASK_LONG_DOUBLE_128): Delete.
678         (TARGET_FPU, TARGET_UNALIGNED_DOUBLES, TARGET_V8, TARGET_SPARCLITE,
679         TARGET_SPARCLET, TARGET_V9, TARGET_DEPRECATED_V8_INSNS,
680         TARGET_IMPURE_TEXT, TARGET_APP_REGS, MASK_HARD_QUAD,
681         TARGET_LITTLE_ENDIAN, TARGET_PTR64, TARGET_64BIT, MASK_STACK_BIAS,
682         TARGET_FPU_SET, TARGET_VIS, TARGET_V8PLUS, TARGET_FASTER_STRUCTS,
683         TARGET_LONG_DOUBLE_128): Likewise.
684         (TARGET_SWITCHES, SUBTARGET_SWITCHES): Likewise.
685         (TARGET_OPTIONS, SUBTARGET_OPTIONS): Likewise.
686         * config/sparc/freebsd.h (SUBTARGET_SWITCHES): Likewise.
687         * config/sparc/linux.h (SUBTARGET_SWITCHES): Likewise.
688         * config/sparc/linux64.h (SUBTARGET_SWITCHES): Likewise.
689         * config/sparc/netbsd-elf.h (SUBTARGET_SWITCHES): Likewise.
690         * config/sparc/sp64-elf.h (SUBTARGET_SWITCHES): Likewise.
691         * config/sparc/sparc.c (fpu_option_set): New global.
692         (sparc_handle_option): New function.
693         (sparc_override_options): Test fpu_option_set.
694         (TARGET_DEFAULT_TARGET_FLAGS): Set to TARGET_DEFAULT.
695         (TARGET_HANDLE_OPTION): Set to sparc_handle_option.
696         * config/sparc/sparc.opt: New file.
697         * config/sparc/little-endian.opt: Likewise.
698         * config/sparc/long-double-switch.opt: Likewise.
699
700 2005-04-13  Bernd Schmidt  <bernd.schmidt@analog.com>
701
702         * config/bfin/bfin.c (bfin_lib_id_given): New static variable.
703         (bfin_handle_options): Set it if -mshared-library-id= is seen.
704         * config/bfin/bfin.opt (mshared-library-id=): Lose
705         Var(bfin_lib_id_given).
706
707 2005-04-13  Matt Thomas  <matt@3am-software.com>
708
709         * config/rs6000/sysv4.h (NO_IMPLICIT_EXTERN_C): undefine before
710         defining.
711
712 2005-04-13  Kazu Hirata  <kazu@cs.umass.edu>
713
714         * rtl.h (CLEAR_RTX_FLAGS): Remove.
715
716         * cgraphunit.c (INSNS_PER_CALL): Remove.
717
718         * tree-ssa-forwprop.c (vars,
719         record_single_argument_cond_exprs,
720         substitute_single_use_vars): Remove.
721         (forward_propagate_into_cond_1, forward_propagate_into_cond):
722         New.
723         (tree_ssa_forward_propagate_single_use_vars): Call
724         forward_propagate_into_cond for each COND_EXPR.
725
726         * tree-inline.c (INSNS_PER_STMT): Remove.
727
728 2005-04-12  Richard Henderson  <rth@redhat.com>
729
730         * config/i386/i386.c (ix86_prepare_sse_fp_compare_args): Split ...
731         (ix86_expand_sse_fp_minmax): ... from ...
732         (ix86_expand_fp_movcc): ... here.
733         (ix86_expand_sse_movcc): Rewrite from ix86_split_sse_movcc.
734         * config/i386/i386-protos.h: Update.
735         * config/i386/i386.md (UNSPEC_IEEE_MIN, UNSPEC_IEEE_MAX): New.
736         (sse_setccsf, sse_setccdf): Allow before reload.
737         (movsfcc_1_sse_min, movsfcc_1_sse_max, movsfcc_1_sse): Remove.
738         (movdfcc_1_sse_min, movdfcc_1_sse_max, movdfcc_1_sse): Remove.
739         (ieee_sminsf3, ieee_smaxsf3, ieee_smindf3, ieee_smaxdf3): New.
740         * config/i386/sse.md (andsf3, nandsf3, iorsf3, xorsf3): New.
741         (anddf3, nanddf3, iordf3, xordf3): New.
742
743 2005-04-12  Jeff Law  <law@redhat.com>
744
745         * Makefile.in (OBJS-common): Add tree-ssa-uncprop.o.
746         (tree-ssa-uncprop.o): Add dependencies.
747         * tree-cfg.c (remove_useless_stmts_bb, remove_useless_stmts): Remove.
748         * tree-flow.h (remove_useless_stmts): Remove prototype.
749         * tree-outof-ssa.c (rewrite_out_of_ssa): Remove call to
750         remove_useless_stmts.
751         * timevar.def (TV_TREE_SSA_UNCPROP): New timevar.
752         * tree-optimize.c (init_tree_optimization_passes): Add uncprop pass.
753         * tree-pass.h (pass_uncprop): Declare.
754         * tree-ssa-uncprop.c: New file.
755
756 2005-04-12  James E. Wilson  <wilson@specifixinc.com>
757
758         PR target/20670
759         * unwind-ia64.c (uw_intall_context): Add missing load of r27.
760
761 2005-04-12  Caroline Tice  <ctice@apple.com>
762
763         Temporary fix for partitioning problems.
764         * passes.c (rest_of_handle_final): Remove code that
765         frees unlikely_text_section_name,
766         * varasm.c (assemble_start_function): Test for partitioning
767         flag before writing out section labels.
768         (assemble_end_function): Test for partitioning flag before
769         writing out section labels.
770
771 2005-04-12  Steven Bosscher  <stevenb@suse.de>
772             Stuart Hastings <stuart@apple.com>
773             Jan Hubicka  <jh@suse.cz>
774
775         * Makefile.in: Add function.h to BASIC_BLOCK_H.  Remove all
776         references to gt-tree-cfg.h.
777         * basic-block.h (struct basic_block_def): Don't skip rbi
778         for garbage collection.
779         (struct reorder_block_def): Make GTY-able.
780         (struct control_flow_graph): New structure.
781         (n_edges, n_basic_blocks, last_basic_block, basic_block_info,
782         BASIC_BLOCK, EXIT_BLOCK_PTR, ENTRY_BLOCK_PTR): No longer vars,
783         but instead defines to the control_flow_graph for cfun.
784         (label_to_block_map): New define, points to the label map of
785         the control_flow_graph for cfun.
786         (n_edges_for_function, n_basic_blocks_for_function,
787         last_basic_block_for_function, basic_block_info_for_function,
788         EXIT_BLOCK_PTR_FOR_FUNCTION, ENTRY_BLOCK_PTR_FOR_FUNCTION,
789         basic_block_info_for_function, label_to_block_map_for_function):
790         Counterparts for the above, taking a struct function as an extra
791         argument.
792         (alloc_rbi_pool, free_rbi_pool): Remove prototypes.
793         * cfg.c: (n_edges, n_basic_blocks, last_basic_block,
794         basic_block_info, ENTRY_BLOCK_PTR, EXIT_BLOCK_PTR): Remove.
795         (alloc_rbi_pool, free_rbi_pool): Remove.
796         (initialize_bb_rbi): Use ggc_alloc_cleared instead of pool_alloc.
797         * cfglayout.c: (cfg_layout_initialize): Don't allocate the rbi pool
798         here...
799         (cfg_layout_finalize) ... and don't free it here.
800         * cfgrtl.c (cfg_layout_delete_block): Zero out rbi so it gets
801         garbage collected.
802         * flow.c (free_basic_block_vars): Set label_to_block_map and
803         n_edges to zero too.
804         * function.h (struct function): Add cfg field.
805         * function.c (allocate_struct_function): Allocate the cfg.
806         * tree-cfg.c (label_to_block_map): Remove.
807         (build_tree_cfg): Don't allocate the rbi pool here...
808         (delete_tree_cfg_annotations): ...and don't free it here.
809         Also don't nullify label_to_block_map for cfun.
810
811 2005-04-12  Caroline Tice  <ctice@apple.com>
812
813         * bb-reorder.c (find_rarely_executed_basic_blocks_and_crossing_edges):
814         Revert my patch from April 9.
815         (fix_edges_for_rarely_executed_code): Revert my patch from April 9.
816         (reorder_basic_blocks): Revert my patch from April 9.
817         (insert_section_boundary_note): Revert my patch from April 9.
818         * dbxout.c (dbxout_function_end): Revert my patch from April 9.
819         * dwarf2out.c (COLD_TEXT_SECTION_LABEL): Revert my patch from April 9.
820         (COLD_END_LABEL):  Revert my patch from April 9.
821         (cold_text_section_label):  Revert my patch from April 9.
822         (cold_end_label): Revert my patch from April 9.
823         (dwarf2out_switch_text_section): Revert my patch from April 9.
824         (output_aranges): Revert my patch from April 9.
825         (output_ranges):  Revert my patch from April 9.
826         (output_line_info): Revert my patch from April 9.
827         (add_location_or_const_value_attribute):  Revert my patch from April 9.
828         (dwarf2out_var_location): Revert my patch from April 9.
829         (dwarf2out_init):  Revert my patch from April 9.
830         (dwarf2out_finish): Revert my patch from April 9.
831         * function.h (struct function): Revert my patch from April 9.
832         * opts.c (decode_options): Revert my patch from April 9.
833         * output.h (unlikely_section_label, hot_section_label,
834         hot_section_end_label, cold_section_end_label,
835         unlikely_text_section_name): Revert my patch from April 9.
836         * passes.c (rest_of_handle_final): Revert my patch from April 9.
837         * varasm.c (unlikely_section_label, hot_section_label,
838         hot_section_end_label, cold_section_end_label,
839         unlikely_text_section_name): Revert my patch from April 9.
840         (initialize_cold_section_name): Revert my patch from April 9.
841         (unlikely_text_section): Revert my patch from April 9.
842         (in_unlikely_text_section): Revert my patch from April 9.
843         (named_section): Revert my patch from April 9.
844         (function_section): Revert my patch from April 9.
845         (current_function_section): Revert my patch from April 9.
846         (assemble_start_function): Revert my patch from April 9.
847         (assemble_end_function): Revert my patch from April 9.
848         (default_section_type_flags_1): Revert my patch from April 9.
849
850 2005-04-12  Eric Botcazou  <ebotcazou@libertysurf.fr>
851
852         * config/sparc/sparc.h (APPLY_RESULT_SIZE): Set to 24 in 64-bit mode.
853         * config/sparc/sparc.md (untyped_call): Save the registers manually.
854
855         * config/sparc/sparc.c (legitimate_address_p): Use TARGET_ARCH32.
856
857 2005-04-12  Ulrich Weigand  <uweigand@de.ibm.com>
858
859         PR middle-end/20917
860         * config/s390/s390.md ("*set_tp"): Use SET in pattern.
861         ("set_tp_64", "set_tp_31"): Adapt expanded pattern.
862
863 2004-04-12  Richard Henderson  <rth@redhat.com>
864
865         * config/i386/i386.md (UNSPEC_FIX, UNSPEC_MOVA, UNSPEC_SHUFFLE,
866         UNSPEC_PSHUFLW, UNSPEC_PSHUFHW, UNSPEC_ADDSUB, UNSPEC_HADD,
867         UNSPEC_HSUB, UNSPEC_MOVSHDUP, UNSPEC_MOVSLDUP, UNSPEC_MOVDDUP): Remove.
868         (UNSPEC_*, UNSPECV_*): Renumber.
869
870 2005-04-12  Frank Ch. Eigler  <fche@redhat.com>
871
872         PR mudflap/19266
873         From Richard Henderson <rth@redhat.com>:
874         * tree-mudflap.c (mf_build_check_statement_for): Correct block
875         splitting logic.
876
877 2005-04-12  Dorit Naishlos  <dorit@il.ibm.com>
878
879         * tree-cfg.c (tree_verify_flow_info): Use LABEL_EXPR_LABEL.
880
881 2005-04-12  Bernd Schmidt  <bernd.schmidt@analog.com>
882
883         * config/bfin/bfin.c (bfin_library_id_string): Remove.
884         (bfin_library_id): New variable.
885         (bfin_expand_prologue): Use bfin_library_id and bfin_lib_id_given
886         instead of bfin_library_id_string.
887         (bfin_handle_option): New function.
888         (override_options): Remove most code to deal with shared library IDs,
889         just check they aren't used without -mid-shared-library.
890         (TARGET_HANDLE_OPTION): Define.
891         * config/bfin/bfin.h (TARGET_OPTIONS): Delete macro.
892         * config/bfin/bfin.opt (mshared-library-id=): New.
893
894 2005-04-12  Kazu Hirata  <kazu@cs.umass.edu>
895
896         * tree-vect-transform.c: Fix comment typos.
897
898 2005-04-12 Mostafa Hagog <mustafa@il.ibm.com>
899
900         * postreload-gcse.c (eliminate_partially_redundant_load): Don't
901         split critical edges when not possible/profitable.
902
903 2005-04-12  Richard Sandiford  <rsandifo@redhat.com>
904
905         * config/ns32k/ns32k.h (target_flags, MASK_32081, MASK_RTD)
906         (MASK_REGPARM, MASK_32532, MASK_32332, MASK_NO_SB, MASK_NO_BITFIELD)
907         (MASK_HIMEM, MASK_32381, MASK_MULT_ADD, MASK_SRC, MASK_IEEE_COMPARE)
908         (TARGET_32081, TARGET_32381, TARGET_MULT_ADD, TARGET_RTD)
909         (TARGET_REGPARM, TARGET_32532, TARGET_32332, TARGET_SB, TARGET_HIMEM)
910         (TARGET_BITFIELD, TARGET_IEEE_COMPARE, TARGET_SWITCHES): Delete.
911         (OVERRIDE_OPTIONS): Clear MASK_SB instead of setting MASK_NO_SB.
912         * config/ns32k/netbsd.h (TARGET_DEFAULT): Remove MASK_NO_SB and
913         MASK_NO_BITFIELD.
914         * config/ns32k/ns32k.c (ns32k_handle_option): New function.
915         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
916         * config/ns32k/ns32k.opt: New file.
917
918 2005-04-12  Richard Sandiford  <rsandifo@redhat.com>
919
920         * config.gcc (m68k-*-linux*): Add m68k/ieee.opt to $extra_options.
921         * config/m68k/m68k.h (target_flags, MASK_68020, TARGET_68020)
922         (MASK_68030, TARGET_68030, MASK_68040, TARGET_68040, MASK_68040_ONLY)
923         (TARGET_68040_ONLY, MASK_68060, TARGET_68060, MASK_5200, TARGET_5200)
924         (MASK_CFV3, TARGET_CFV3, MASK_CFV4, TARGET_CFV4, MASK_528x)
925         (TARGET_528x, MASK_CF_HWDIV, TARGET_CF_HWDIV, MASK_68881, TARGET_68881)
926         (MASK_BITFIELD, TARGET_BITFIELD, MASK_SHORT, TARGET_SHORT)
927         (MASK_ALIGN_INT, TARGET_ALIGN_INT, MASK_PCREL, TARGET_PCREL)
928         (MASK_NO_STRICT_ALIGNMENT, TARGET_STRICT_ALIGNMENT, MASK_RTD)
929         (TARGET_RTD, MASK_SEP_DATA, TARGET_SEP_DATA, MASK_ID_SHARED_LIBRARY)
930         (TARGET_ID_SHARED_LIBRARY, MASK_ALL_CF_BITS, TARGET_SWITCHES)
931         (TARGET_OPTIONS, SUBTARGET_SWITCHES, SUBTARGET_OPTIONS): Delete.
932         (MASK_COLDFIRE): Formatting fixes.
933         (TARGET_COLDFIRE): Turn into a boolean value for consistency.
934         * config/m68k/linux.h (SUBTARGET_SWITCHES): Delete.
935         * config/m68k/m68k.c (m68k_library_id_string): Initialize to
936         "_current_shared_library_a5_offset_".
937         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
938         (MASK_ALL_CPU_BITS): New macro.
939         (m68k_handle_option): New function.
940         (override_options): Remove handling of m68k_library_id_string.
941         * config/m68k/m68k.opt: New file.
942         * config/m68k/ieee.opt: New file.
943
944 2005-04-11  Mark Mitchell  <mark@codesourcery.com>
945
946         * target-def.h (TARGET_CXX_EXPORT_CLASS_DATA): Remove.
947         (TARGET_CXX_DETERMINE_CLASS_VISIBILITY): New macro.
948         (TARGET_CXX_CLASS_DATA_ALWAYS_COMDAT): Likewise.
949         (TARGET_CXX): Adjust accordingly.
950         * target.h (struct gcc_target): Remove epxort_class_data.  Add
951         determine_class_data_visibility and class_data_always_comdat.
952         * doc/tm.texi (TARGET_CXX_EXPORT_CLASS_DATA): Remove.
953         (TARGET_CXX_DETERMINE_CLASS_DATA_VISIBILITY): Document.
954         (TARGET_CXX_CLASS_DATA_ALWAYS_COMDAT): Likewise.
955         * config/arm/arm.c (arm_cxx_export_class_data): Remove.
956         (arm_cxx_determine_class_data_visibility): New.
957         (arm_cxx_class_data_always_comdat): Likewise.
958         (TARGET_CXX_EXPORT_CLASS_DATA): Remove.
959         (TARGET_CXX_DETERMINE_CLASS_DATA_VISIBILITY): Define.
960         (TARGET_CXX_CLASS_DATA_ALWAYS_COMDAT): Likewise.
961         * config/arm/arm.h (TARGET_ARM_DYNAMIC_VAGUE_LINKAGE_P): Define.
962         * config/arm/symbian.h (TARGET_ARM_DYNAMIC_VAGUE_LINKAGE_P):
963         Define.
964
965 2005-04-11  Devang Patel  <dpatel@apple.com>
966
967         * tree-data-ref.c (build_classic_dist_vector,
968         compute_subscript_distance): Make externally visible.
969         * tree-data-ref.h (build_classic_dist_vector,
970         compute_subscript_distance): Same.
971         * tree-vect-analyze.c (vect_analyze_data_ref_dependence):
972         Check distance vector against vectorization factor.
973         (vect_analyze_loop): Determine vectorizaion factor before
974         analyzing data dependences.
975         * tree-vectorizer.c (loops_num): Make it externally visible and
976         rename ...
977         * tree-vectorizer.c (vect_loops_num): ... new name.
978         * tree-vectorizer.h  (vect_loops_num): New.
979
980 2005-04-11  Devang Patel  <dpatel@apple.com>
981
982         * tree-vect-analyze.c (vect_analyze_operations): Check
983         vectorizable codition.
984         * tree-vect-transform.c (vect_is_simple_cond): New function.
985         (vectorizable_condition): New function.
986         (vect_transform_stmt): Handle condition_vec_info_type.
987         * tree-vectorizer.h (enum stmt_vec_info_type): Add
988         condition_vec_info_type.
989         (vectorizable_condition): New.
990
991 2005-04-11  Geoffrey Keating  <geoffk@apple.com>
992
993         * config/i386/i386.h (TARGET_FPMATH_DEFAULT): New.
994         * config/i386/darwin.h (TARGET_FPMATH_DEFAULT): New.
995         * config/i386/i386.c (override_options): Use TARGET_FPMATH_DEFAULT.
996
997         * config/i386/darwin.h (ASM_SPEC): Use -arch i386 not -arch i686.
998         (SUBTARGET_EXTRA_SPECS): Always 'i386'.
999
1000         * dwarf2out.c (output_line_info): Don't try to dereference
1001         a NULL current_function_decl.
1002
1003         * config/t-slibgcc-darwin: Don't put shared libraries in
1004         directories other than $(slibdir).
1005         * config/rs6000/darwin.h: Find -m64 libgcc under the name the
1006         OS uses for it.
1007
1008 2005-04-11  Diego Novillo  <dnovillo@redhat.com>
1009
1010         PR tree-optimization/20933
1011         * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Move
1012         logic to reject aliases between read-only and writable
1013         variables ...
1014         (may_alias_p): ... here.
1015         (get_tmt_for): Do not associate read-only tags to pointers
1016         whose pointed-to type is not read-only.
1017         * tree-ssa.c (verify_ssa): Check that memory stores have at
1018         least one V_MAY_DEF or V_MUST_DEF.
1019
1020 2005-04-11  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1021
1022         PR/17092
1023         * configure.ac (gcc_UNLOCKED_FUNCS): New.
1024         (AC_CHECK_FUNCS, AC_CHECK_DECLS): Check for gcc_UNLOCKED_FUNCS.
1025         * system.h (putchar, getc, getchar, clearerr, feof, fileno,
1026         fflush, fgetc, fgets, ferror, fread): Redefine to the associated
1027         _unlocked function.
1028         (fwrite_unlocked): Fix prototype.
1029
1030         * configure, config.in: Regenerate.
1031
1032 2005-04-11  David Edelsohn  <edelsohn@gnu.org>
1033
1034         * tree-ssa-loop-im.c: Include real.h.
1035         (determine_invariantness_stmt): If real division divisor is
1036         invariant and flag_unsafe_math_optimizations enabled, generate
1037         invariant reciprocal for hoisting.
1038         * Makefile.in (tree-ssa-loop-im.o): Add real.h dependency.
1039
1040 2005-04-11  Daniel Berlin  <dberlin@dberlin.org>
1041
1042         Fix PR tree-optimization/20926
1043
1044         * tree-ssa-alias.c (add_type_alias): Handle subvars.
1045
1046 2005-04-11  Devang Patel  <dpatel@apple.com>
1047
1048         * config/rs6000.c (rs6000_emit_vector_select): Fix vector select
1049         operand ordering.
1050
1051 2005-04-11  Andrew Pinski  <pinskia@physics.uc.edu>
1052
1053         * fold-const.c (fold_binary_op_with_conditional_arg):
1054         use fold_buildN instead of "fold (buildN" in some
1055         non obvious places.
1056         (fold_unary): Likewise.
1057         (fold_binary): Likewise.
1058
1059 2005-04-11  Daniel Berlin  <dberlin@dberlin.org>
1060
1061         Fix PR tree-optimization/20612
1062         * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Fix increment
1063         handling
1064         (perfect_nestify): preheaderbb is *not* part of loop of the
1065         old destination.
1066
1067 2005-04-11  Andrew Pinski  <pinskia@physics.uc.edu>
1068
1069         * tree-ssa-alias.c (may_alias_p): If the variable
1070         is a global variable and the pointer is parameter
1071         and -fargument-noalias-global is used, then
1072         the pointer cannot alias the variable.
1073
1074 2005-04-11  James A. Morrison  <phython@gcc.gnu.org>
1075
1076         * config/sparc/sparc.c: Use gcc_assert and gcc_unreachable.
1077         * config/sparc/sparc.h: Likewise.
1078         * config/sparc/sparc.md: Likewise.
1079
1080 2005-04-11  Kazu Hirata  <kazu@cs.umass.edu>
1081
1082         * tree-vrp.c (maybe_add_assert_expr): Move a comment.
1083
1084         * tree-vrp.c: Fix a comment typo.
1085
1086 2005-04-11  Diego Novillo  <dnovillo@redhat.com>
1087
1088         PR tree-optimization/20920
1089         * tree-pretty-print.c (dump_generic_node): Show '(ab)' if an
1090         SSA_NAME flows through an abnormal edge.
1091         * tree-vrp.c (infer_value_range): Ignore SSA names that flow
1092         through abnormal edges.
1093         (maybe_add_assert_expr): Likewise.
1094
1095 2005-04-11  Richard Sandiford  <rsandifo@redhat.com>
1096
1097         * config/s390/s390.h (s390_tune_string, s390_arch_string)
1098         (s390_warn_framesize_string, s390_warn_dynamicstack_string)
1099         (s390_stack_size_string, s390_stack_guard_string, target_flags)
1100         (MASK_HARD_FLOAT, MASK_SMALL_EXEC, MASK_DEBUG_ARG, MASK_64BIT)
1101         (MASK_ZARCH, MASK_MVCLE, MASK_TPF_PROFILING, MASK_NO_FUSED_MADD)
1102         (MASK_BACKCHAIN, MASK_PACKED_STACK, TARGET_HARD_FLOAT)
1103         (TARGET_SOFT_FLOAT, TARGET_SMALL_EXEC, TARGET_DEBUG_ARG)
1104         (TARGET_64BIT, TARGET_ZARCH, TARGET_MVCLE, TARGET_TPF_PROFILING)
1105         (TARGET_NO_FUSED_MADD, TARGET_FUSED_MADD, TARGET_BACKCHAIN)
1106         (TARGET_PACKED_STACK, TARGET_SWITCHES, TARGET_OPTIONS): Delete.
1107         * config/s390/s390.c (TARGET_DEFAULT_TARGET_FLAGS): Override default.
1108         (TARGET_HANDLE_OPTION): Likewise.
1109         (s390_tune): Initialize to PROCESSOR_max.
1110         (s390_arch_string): Make static.
1111         (s390_tune_string, s390_warn_framesize_string): Delete.
1112         (s390_warn_dynamicstack_string, s390_stack_size_string): Delete.
1113         (s390_stack_guard_string, s390_warn_dynamicstack_p): Delete.
1114         (s390_handle_arch_option, s390_handle_option): New functions.
1115         (override_options): Remove parsing of option strings.
1116         * config/s390/s390.opt: New file.
1117
1118 2005-04-11  Paolo Bonzini  <bonzini@gnu.org>
1119
1120         * tree-complex.c (expand_vector_operations): Call
1121         update_stmt_if_modified.
1122
1123 2005-04-11  Paolo Bonzini  <bonzini@gnu.org>
1124
1125         * tree-vect-analyze (vect_determine_vectorization_factor):
1126         Do not use GET_MODE_NUNITS.
1127         * tree-vect-transform.c (vect_get_vec_def_for_operand,
1128         (vectorizable_load, vect_transform_loop): Likewise.
1129
1130 2005-04-11  Uros Bizjak  <uros@kss-loka.si>
1131
1132         * builtins.def (BUILT_IN_LCEIL, BUILT_IN_LCEILF, BUILT_IN_LCEILL)
1133         (BUILT_IN_LLCEIL, BUILT_IN_LLCEILF, BUILT_IN_LLCEILL): New.
1134         * optabs.h (enum optab_index): Add new OTI_lceil.
1135         (lceil_optab): Define corresponding macro.
1136         * optabs.c (init_optabs): Initialize lceil_optab.
1137         * genopinit.c (optabs): Implement lceil_optab using lceilsi2
1138         and lceildi2 patterns.
1139         * builtins.c (expand_builtin_int_roundingfn): Handle
1140         BUILT_IN_LCEIL{,F,L} and BUILT_IN_LLCEIL{,F,L}.
1141         (fold_builtin_int_roundingfn): Handle BUILT_IN_LCEIL{,F,L} and
1142         BUILT_IN_LLCEIL{,F,L}.
1143         (fold_builtin_1): Fold BUILT_IN_LCEIL{,F,L} and
1144         BUILT_IN_LLCEIL{,F,L} using fold_builtin_int_roundingfn.
1145         (mathfn_built_in): Handle BUILT_IN LCEIL and BUILT_IN_LLCEIL.
1146         (expand_builtin): Expand BUILT_IN_LCEIL{,F,L} and
1147         BUILT_IN_LLCEIL{,F,L} using expand_builtin_int_roundingfn.
1148         * convert.c (convert_to_integer): Convert (long int)ceil{,f,l},
1149         into lceil built-in function and (long long int)ceil{,f,l} into
1150         llceil built-in function.
1151         * fold-const.c (tree_expr_nonnegative_p): Add BUILT_IN_LCEIL and
1152         BUILT_IN_LLCEIL.
1153
1154 2005-04-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1155
1156         * pa/quadlib.c (_U_Qfneg): Toggle sign bit instead of subtracting from
1157         zero.
1158
1159 2005-04-10  Kazu Hirata  <kazu@cs.umass.edu>
1160
1161         * config/arm/arm.c: Fix a comment typo.
1162         * doc/tree-ssa.texi: Fix a typo.
1163
1164 2005-04-10  Steven Bosscher  <stevenb@suse.de>
1165
1166         * cselib.c (clear_table): Rename to cselib_clear_table.
1167         * cselib.h (cselib_clear_table): Add prototype.
1168         * gcse.c (gcse_main): Make 'f' argument unused.
1169         (alloc_gcse_mem): Do not walk the insn chain, walk the contents
1170         of each basic block instead.
1171         (compute_sets, compute_hash_table_work): Likewise.
1172         (constprop_register): Change int 'alter_jumps' argument to bool.
1173         (do_local_cprop): Likewise.
1174         (local_cprop_pass): Likewise.  Also walk basic blocks instead of
1175         the insn chain.  Explicitly clear the cselib tables after finishing
1176         one basic block.  Make sure there are no unterminated libcall blocks.
1177         Update compute_sets call.
1178         (cprop): Walk basic blocks instead of the insn chain.
1179         (one_cprop_pass, compute_ld_motion_mems, compute_store_table):
1180         Likewise.
1181         (bypass_jumps): Update alloc_gcse_mem, compute_sets, and
1182         one_cprop_pass calls.
1183
1184 2005-04-10  Richard Sandiford  <rsandifo@redhat.com>
1185
1186         * combine.c (combine_simplify_rtx): Remove a transformation that
1187         relies on an invalid assumption about rtl sign-extension semantics.
1188
1189 2005-04-10  Richard Sandiford  <rsandifo@redhat.com>
1190
1191         * value-prof.c (tree_divmod_fixed_value_transform): Fix arguments
1192         to build_int_cst_wide.
1193
1194 2005-04-09  Alexandre Oliva  <aoliva@redhat.com>
1195
1196         PR target/20126
1197         * loop.c (loop_givs_rescan): If replacement of DEST_ADDR failed,
1198         set the original address pseudo to the correct value before the
1199         original insn, if possible, and leave the insn alone, otherwise
1200         create a new pseudo, set it and replace it in the insn.
1201         * recog.c (validate_change_maybe_volatile): New.
1202         * recog.h (validate_change_maybe_volatile): Declare.
1203
1204 2005-04-09  Caroline Tice  <ctice@apple.com>
1205
1206         * bb-reorder.c (find_rarely_executed_basic_blocks_and_crossing_edges):
1207         Remove targetm.have_named_sections test.
1208         (fix_edges_for_rarely_executed_code): Likewise.
1209         (insert_section_boundary_note): Likewise.
1210         (reorder_basic_blocks): Check partitioning flag before calling
1211         verify_hot_cold_block_grouping.
1212         * dbxout.c (dbxout_function_end): Get hot/cold section labels from
1213         the function struct rather than global variables.
1214         * dwarf2out.c (COLD_TEXT_SECTION_LABEL): New macro.
1215         (COLD_END_LABEL): Likewise
1216         (cold_text_section_label): New static global variable.
1217         (cold_end_label): Likewise.
1218         (dwarf2out_switch_text_section): Get hot/cold section labels from
1219         the function struct rather than global variables.
1220         (output_aranges): Use cold_text_section_label and cold_end_label;
1221         check partitioning flag before putting out delta.
1222         (output_ranges): Remove incorrect code attempting to use
1223         hot/cold labels.
1224         (output_line_info): Get cold section label from function struct.
1225         (add_location_or_const_value_attribute): Likewise.
1226         (get_subprogram_die): Get hot/cold section labels from function struct.
1227         (dwarf2out_var_location): Likewise.
1228         (dwarf2out_init): Generate cold_text_section_label and cold_end_label;
1229         write out cold_text_section_label if partition flag is set.
1230         (dwarf2out_finish): Write out cold_end_label if partition flag is set;
1231         * function.h (struct function): Add new fields to point to hot/cold
1232         section labels: hot_section_label, cold_section_label,
1233         hot_section_end_label and cold_section_end_label; also add new field
1234         for cold text section name, unlikely_text_section_name.
1235         * opts.c (decode_options): Turn off partitioning flag if
1236         !targetm.have_named_sections.
1237         * output.h (hot_section_label): Remove.
1238         (hot_section_end_label): Remove.
1239         (cold_section_end_label): Remove.
1240         (unlikely_section_label): Remove.
1241         (unlikely_text_section_name): Remove.
1242         * passes.c (rest_of_handle_final):  Remove code that frees
1243         unlikely_text_section_name.
1244         * varasm.c (unlikely_section_label): Remove.
1245         (hot_section_label): Remove.
1246         (hot_section_end_label): Remove.
1247         (cold_section_end_label): Remove.
1248         (unlikely_text_section_name):  Remove.
1249         (initialize_cold_section_name): Modify to call
1250         targetm.strip_name_encoding; to store cold section name in current
1251         function struct, if it exists; and to only use the decl_section_name
1252         if flag_named_sections is true.
1253         (unlikely_text_section): Modify to get section name out of current
1254         function struct, if there is one; otherwise build it from
1255         UNLIKELY_EXECUTED_TEXT_SECTION_NAME.
1256         (in_unlikely_text_section): Likewise.
1257         (named_section): Modify to get/put cold section name in current function
1258         struct, if there is one.
1259         (function_section):  Change 'bool unlikely' to 'int reloc'; check
1260         targetm.have_named_sections before calling named_section.
1261         (current_function_section): Likewise.
1262         (assemble_start_function): Modify to get/put unlikely_text_section_name
1263         in current function struct; modify to get hot/cold section labels
1264         from function struct; initialize labels using
1265         ASM_GENERATE_INTERNAL_LABEL;
1266         test partitioning flag before writing out hot section label.
1267         (assemble_end_function): Test partitioning flag before writing out
1268         hot/cold section labels.
1269         (default_section_type_flags_1):  Modify to use array instead of
1270          char* for unlikely_text_section_name; set flags correctly for
1271          cold text section if there is not a current function decl.
1272
1273 2005-04-09  Jakub Jelinek  <jakub@redhat.com>
1274
1275         * tree.h (enum tree_index): Add TI_VA_LIST_GPR_COUNTER_FIELD
1276         and TI_VA_LIST_FPR_COUNTER_FIELD.
1277         (va_list_gpr_counter_field, va_list_fpr_counter_field): Define.
1278         * tree-pass.h (pass_stdarg): Add.
1279         * tree-optimize.c (init_tree_optimization_passes): Add pass_stdarg.
1280         * tree-stdarg.c: New file.
1281         * tree-stdarg.h: New file.
1282         * Makefile.in (OBJS-common): Add tree-stdarg.o.
1283         (tree-stdarg.o): Add dependencies.
1284         * function.h (struct function): Add va_list_gpr_size and
1285         va_list_fpr_size fields.
1286         * function.c (allocate_struct_function): Initialize them.
1287         * target.h (struct gcc_target): Add stdarg_optimize_hook.
1288         * target-def.h (TARGET_STDARG_OPTIMIZE_HOOK): Define.
1289         (TARGET_INITIALIZER): Add it.
1290
1291         * config/i386/i386.c (ix86_build_builtin_va_list): Initialize
1292         va_list_{g,f}pr_counter_field.
1293         (ix86_setup_incoming_varargs): Don't do anything if reg_save
1294         area will not be used.  Only save registers that tree-stdarg.c
1295         detected they need saving.
1296         (ix86_va_start): Don't set up fields that won't be used.
1297
1298         * config/rs6000/rs6000.c (rs6000_build_builtin_va_list): Initialize
1299         va_list_{g,f}pr_counter_field.
1300         (setup_incoming_varargs): Don't do anything if reg_save
1301         area will not be used.  Only save registers that tree-stdarg.c
1302         detected they need saving.
1303         (rs6000_va_start): Don't set up fields that won't be used.
1304
1305         * config/alpha/alpha.c: Include tree-flow.h and tree-stdarg.h.
1306         (alpha_build_builtin_va_list): Initialize va_list_gpr_counter_field.
1307         (va_list_skip_additions, alpha_stdarg_optimize_hook): New functions.
1308         (TARGET_STDARG_OPTIMIZE_HOOK): Define.
1309
1310 2005-04-09  Jakub Jelinek  <jakub@redhat.com>
1311
1312         PR target/20795
1313         * config/i386/i386.c (construct_container): Pass empty aligned
1314         struct, union or class in memory.
1315
1316 2005-04-09  Kazu Hirata  <kazu@cs.umass.edu>
1317
1318         * dominance.c, gthr-win32.h, reg-stack.c, tree-ssa-copy.c,
1319         tree-ssa-operands.c, tree-ssa.c, tree-vrp.c, varasm.c,
1320         config/alpha/alpha.c, config/arm/arm.c, config/m32r/m32r.h,
1321         config/rs6000/predicates.md: Fix comment typos.
1322
1323         * sched-int.h (haifa_insn_data): Remove blockage and units.
1324         (INSN_UNIT, INSN_BLOCKAGE, UNIT_BITS, BLOCKAGE_MASK,
1325         ENCODE_BLOCKAGE, UNIT_BLOCKED, BLOCKAGE_RANGE,
1326         MIN_BLOCKAGE_COST, MAX_BLOCKAGE_COST): Remove.
1327
1328 2005-04-09  Jan Hubicka  <jh@suse.cz>
1329             Steven Bosscher  <stevenb@suse.de>
1330
1331         * cfglayout.c (copy_bbs): Rename n_edges to num_edges.
1332         * cfgloop.c (get_loop_exit_edges): Likewise.
1333         * cfgloopmanip.c (fix_irreducible_loops): Likewise.
1334         (unloop): Likewise.
1335         * loop-unroll.c (analyze_insns_in_loop): Likewise.
1336         * tree-cfg.c (dump_cfg_status): Likewise.
1337
1338 2005-04-09  David Edelsohn  <edelsohn@gnu.org>
1339
1340         * config/rs6000/predicates.md (altivec_register_operand): Remove
1341         redundant match_code test.
1342         (gpc_reg_operand): Same.
1343         (cc_reg_operand): Same.
1344         (cc_reg_not_cr0_operand): Same.
1345
1346 2005-04-09  Jan Hubicka  <jh@suse.cz>
1347
1348         Forgotten hunk from my last merge patch:
1349         * final.c (output_addr_const): Do not call mark_referenced.
1350
1351 2005-04-09  Andrew MacLeod  <amacleod@redhat.com>
1352
1353         * doc/tree-ssa.texi: Add immediate use documentation.
1354
1355 2005-04-09  Richard Earnshaw <richard.earnshaw@arm.com>
1356
1357         * arm.c (FL_WBUF): Define.
1358         (arm_tune_strongarm): Renamed from arm_is_strong.  All uses changed.
1359         (arm_is_6_or_7): Delete.
1360         (arm_tune_wbuf): New.
1361         (arm_override_options): Set arm_tune_wbuf.
1362         * arm.h (arm_tune_strongarm): Renamed from arm_is_strong.
1363         (arm_is_6_or_7): Delete declaration.
1364         (arm_tune_wbuf): New declartion.
1365         * arm.md (is_strongarm): Derive from arm_tune_strongarm.
1366         (model_wbuf): Derive from arm_tune_wbuf.
1367         * arm-cores.def (arm600, arm610, arm620, arm700, arm700i, arm710)
1368         (arm720, arm710c, arm7100, arm7500, arm7500fe, arm710t, arm720t)
1369         (arm740t): Mark CPUs as having a write buffer.
1370
1371 2005-04-09  Uros Bizjak  <uros@kss-loka.si>
1372
1373         * config/i386/i386.md (*fp_jcc_7_387): Use 'const0_operand' instead
1374         of 'const_double_operand' in operand 2 constraints.  Update enable
1375         condition.
1376
1377 2005-04-09  Uros Bizjak  <uros@kss-loka.si>
1378
1379         * builtins.def (BUILT_IN_LFLOOR, BUILT_IN_LFLOORF, BUILT_IN_LFLOORL)
1380         (BUILT_IN_LLFLOOR, BUILT_IN_LLFLOORF, BUILT_IN_LLFLOORL): New.
1381         * optabs.h (enum optab_index): Add new OTI_lfloor.
1382         (lfloor_optab): Define corresponding macro.
1383         * optabs.c (init_optabs): Initialize lfloor_optab.
1384         * genopinit.c (optabs): Implement lfloor_optab using lfloorsi2
1385         and lfloordi2 patterns.
1386         * builtins.c (expand_builtin_int_roundingfn): New prototype.
1387         (expand_builtin_int_roundingfn): New function.
1388         (fold_builtin_int_roundingfn): New prototype.
1389         (fold_builtin_int_roundingfn): New function, renamed from
1390         fold_builtin_lround.
1391         Handle BUILT_IN_LROUND{,F,L}, BUILT_IN_LLROUND{,F,L} and
1392         BUILT_IN_LFLOOR{,F,L}, BUILT_IN_LLFLOOR{,F,L}.
1393         (fold_builtin_1): Fold BUILT_IN_LFLOOR{,F,L} and
1394         BUILT_IN_LLFLOOR{,F,L} using fold_builtin_int_roundingfn.
1395         (mathfn_built_in): Handle BUILT_IN LFLOOR and BUILT_IN_LLFLOOR.
1396         (expand_builtin): Expand BUILT_IN_LFLOOR{,F,L} and
1397         BUILT_IN_LLFLOOR{,F,L} using expand_builtin_int_roundingfn.
1398         * convert.c (convert_to_integer): Convert (long int)floor{,f,l},
1399         into lfloor built-in function and (long long int)floor{,f,l} into
1400         llfloor built-in function.
1401         * fold-const.c (tree_expr_nonnegative_p): Add BUILT_IN_LFLOOR and
1402         BUILT_IN_LLFLOOR.
1403
1404 2005-04-08  Ian Lance Taylor  <ian@airs.com>
1405
1406         * c-common.def: Move FOR_STMT, WHILE_STMT, DO_STMT, BREAK_STMT,
1407         CONTINUE_STMT, and SWITCH_STMT to cp/cp-tree.def.
1408         * c-common.h (WHILE_COND, WHILE_BODY): Move to cp/cp-tree.h.
1409         (DO_COND, DO_BODY): Likewise.
1410         (FOR_INIT_STMT, FOR_COND, FOR_EXPR, FOR_BODY): Likewise.
1411         (SWITCH_STMT_COND, SWITCH_STMT_BODY, SWITCH_STMT_TYPE): Likewise.
1412         (c_common_stmt_codes): Remove FOR_STMT, WHILE_STMT, DO_STMT,
1413         BREAK_STMT, CONTINUE_STMT, and SWITCH_STMT.
1414         (build_continue_stmt, build_break_stmt): Don't declare.
1415         (c_do_switch_warnings): Update declaration.
1416         * c-gimplify.c (enum bc_t): Remove.
1417         (struct c_gimplify_ctx, ctxp): Remove.
1418         (push_context, pop_context): Remove static functions.
1419         (c_genericize): Don't call push_context or pop_context.
1420         (begin_bc_block, finish_bc_block): Remove static functions.
1421         (build_bc_goto): Likewise.
1422         (gimplify_c_loop): Likewise.
1423         (gimplify_for_stmt, gimplify_while_stmt): Likewise.
1424         (gimplify_do_stmt, gimplify_switch_stmt): Likewise.
1425         (c_gimplify_expr): Remove handling of FOR_STMT, WHILE_STMT,
1426         DO_STMT, SWITCH_STMT, CONTINUE_STMT, BREAK_STMT.
1427         * c-common.c (c_do_switch_warnings): Rename from
1428         c_do_switch_warnings_1.
1429         (c_do_switch_warnings) [old version]: Remove.
1430         (c_do_switch_expr_warnings): Remove.
1431         * c-typeck.c (c_finish_case): Call new c_do_switch_warnings
1432         function instead of c_do_switch_expr_warnings.
1433         * c-dump.c (c_dump_tree): Remove handling of BREAK_STMT,
1434         CONTINUE_STMT, DO_STMT, FOR_STMT, SWITCH_STMT, and WHILE_STMT.
1435         * c-pretty-print.c (pp_c_statement): Likewise.
1436         * c-semantics.c (build_break_stmt, build_continue_stmt): Remove.
1437
1438 2005-04-08  Devang Patel  <dpatel@apple.com>
1439
1440         * tree-if-conv.c (find_phi_replacement_condition): New parameter, loop.
1441         While selecting replacement condition pay attention to loop header.
1442
1443 2005-04-08  Diego Novillo  <dnovillo@redhat.com>
1444
1445         Merge from tree-cleanup-branch: VRP, store CCP, store
1446             copy-prop, incremental SSA updating of FUD chains and
1447             newly exposed symbols.
1448
1449         * Makefile.in (tree-ssa-copy.o): Depend on tree-ssa-propagate.h.
1450         (OBJS-common): Add tree-vrp.o.
1451         (tree-vrp.o): New rule.
1452         * basic-block.h (nearest_common_dominator_for_set): Declare.
1453         * common.opt (ftree-store-ccp): New flag.
1454         (ftree-copy-prop): New flag.
1455         (ftree-vrp): New flag.
1456         (ftree-store-copy-prop): New flag.
1457         * dominance.c (nearest_common_dominator_for_set): New.
1458         * domwalk.c (walk_dominator_tree): Only traverse
1459         statements in blocks marked in walk_data->interesting_blocks.
1460         * domwalk.h (struct dom_walk_data): Add field interesting_blocks.
1461         * fold-const.c (fold): Handle ASSERT_EXPR.
1462         * opts.c (decode_options): Set flag_tree_copy_prop at -O1.
1463         Set flag_tree_store_ccp, flag_tree_store_copy_prop and
1464         flag_tree_vrp at -O2.
1465         * timevar.def (TV_TREE_VRP): Define.
1466         (TV_TREE_COPY_PROP): Define.
1467         (TV_TREE_STORE_COPY_PROP): Define.
1468         (TV_TREE_SSA_INCREMENTAL): Define.
1469         (TV_TREE_STORE_CCP): Define.
1470         * tree-cfg.c (tree_can_merge_blocks_p): Remove reference
1471         to kill_redundant_phi_nodes from comment.
1472         (verify_expr): Handle ASSERT_EXPR.
1473         * tree-dfa.c (mark_new_vars_to_rename): Remove second
1474         argument.  Update all users.
1475         (mark_call_clobbered_vars_to_rename): Remove.  Update all
1476         users.
1477         * tree-flow-inline.h (unmodifiable_var_p): New.
1478         * tree-flow.h (enum value_range_type): Declare.
1479         (struct value_range_def): Declare.
1480         (value_range): Declare.
1481         (remove_all_phi_nodes_for): Remove.  Update all users.
1482         (find_phi_node_for): Declare.
1483         (add_type_alias): Declare.
1484         (count_uses_and_derefs): Declare.
1485         (kill_redundant_phi_nodes): Remove.
1486         (rewrite_into_ssa): Remove.
1487         (rewrite_def_def_chains): Remove.
1488         (update_ssa, register_new_name_mapping, create_new_def_for,
1489         need_ssa_update_p, name_registered_for_update_p,
1490         release_ssa_name_after_update_ssa, dump_repl_tbl,
1491         debug_repl_tbl, dump_names_replaced_by,
1492         debug_names_replaced_by, mark_sym_for_renaming,
1493         mark_set_for_renaming, get_current_def, set_current_def,
1494         get_value_range, dump_value_range, debug_value_range,
1495         dump_all_value_ranges, debug_all_value_ranges,
1496         expr_computes_nonzero, loop_depth_of_name,
1497         unmodifiable_var_p): Declare.
1498         * tree-gimple.c (is_gimple_formal_tmp_rhs): Handle
1499         ASSERT_EXPR.
1500         * tree-into-ssa.c (block_defs_stack): Update comment.
1501         (old_ssa_names, new_ssa_names, old_virtual_ssa_names,
1502         syms_to_rename, names_to_release, repl_tbl,
1503         need_to_initialize_update_ssa_p, need_to_update_vops_p,
1504         need_to_replace_names_p): New locals.
1505         (NAME_SETS_GROWTH_FACTOR): Define.
1506         (struct repl_map_d): Declare.
1507         (struct mark_def_sites_global_data): Add field
1508         interesting_blocks.
1509         (enum rewrite_mode): Declare.
1510         (REGISTER_DEFS_IN_THIS_STMT): Define.
1511         (compute_global_livein): Use last_basic_block instead of
1512         n_basic_blocks.
1513         (set_def_block): Remove last argument.  Update all callers.
1514         (prepare_use_operand_for_rename): Remove.  Update all callers.
1515         (prepare_def_operand_for_rename): Remove.  Update all callers.
1516         (symbol_marked_for_renaming): New.
1517         (is_old_name): New.
1518         (is_new_name): New.
1519         (repl_map_hash): New.
1520         (repl_map_eq): New.
1521         (repl_map_free): New.
1522         (names_replaced_by): New.
1523         (add_to_repl_tbl): New.
1524         (add_new_name_mapping): New.
1525         (mark_def_sites): Assume that all the operands in the
1526         statement are in normal form.
1527         (find_idf): Assert that the block in the stack is valid.
1528         (get_default_def_for): New.
1529         (insert_phi_nodes_for): Add new argument 'update_p'.
1530         Add documentation.
1531         If update_p is true, add a new mapping between the LHS of
1532         each new PHI and the name that it replaces.
1533         (insert_phi_nodes_1): Only call find_idf if needed.
1534         (get_reaching_def): Call get_default_def_for.
1535         (rewrite_operand): Remove.
1536         (rewrite_stmt): Do nothing if REGISTER_DEFS_IN_THIS_STMT
1537         and REWRITE_THIS_STMT are false.
1538         Assume that all the operands in the statement are in
1539         normal form.
1540         (rewrite_add_phi_arguments): Don't use PHI_REWRITTEN.
1541         (rewrite_virtual_phi_arguments): Remove.
1542         (invalidate_name_tags): Remove.
1543         (register_new_update_single, register_new_update_set,
1544         rewrite_update_init_block, replace_use,
1545         rewrite_update_fini_block, rewrite_update_stmt,
1546         rewrite_update_phi_arguments): New.
1547         rewrite_blocks): Remove argument 'fix_virtual_phis'.
1548         Add arguments 'entry', 'what' and 'blocks'.
1549         Initialize the dominator walker according to 'what' and
1550         'blocks'.
1551         Start the dominator walk at 'entry'.
1552         (mark_def_site_blocks): Add argument 'interesting_blocks'.
1553         Use it to configure the dominator walker.
1554         (rewrite_into_ssa): Remove argument 'all'.
1555         Make internal.
1556         (rewrite_all_into_ssa): Remove.
1557         (rewrite_def_def_chains): Remove.
1558         (mark_def_interesting, mark_use_interesting,
1559         prepare_phi_args_for_update, prepare_block_for_update,
1560         prepare_def_site_for, prepare_def_sites,
1561         dump_names_replaced_by, debug_names_replaced_by,
1562         dump_repl_tbl, debug_repl_tbl, init_update_ssa,
1563         delete_update_ssa, create_new_def_for,
1564         register_new_name_mapping, mark_sym_for_renaming,
1565         mark_set_for_renaming, need_ssa_update_p,
1566         name_registered_for_update_p, ssa_names_to_replace,
1567         release_ssa_name_after_update_ssa,
1568         insert_updated_phi_nodes_for, update_ssa): New.
1569         * tree-loop-linear.c (linear_transform_loops): Call
1570         update_ssa instead of rewrite_into_ssa.
1571         * tree-optimize.c (vars_to_rename): Remove.
1572         Update all users.
1573         (init_tree_optimization_passes): Replace
1574         pass_redundant_phi with pass_copy_prop.
1575         Add pass_vrp.
1576         Replace pass_ccp with pass_store_ccp.
1577         Add pass_store_copy_prop after pass_store_ccp.
1578         (execute_todo): If the TODO_ flags don't include updating
1579         the SSA form, assert that it does not need to be updated.
1580         Call update_ssa instead of rewrite_into_ssa and
1581         rewrite_def_def_chains.
1582         If TODO_verify_loops is set, call verify_loop_closed_ssa.
1583         (tree_rest_of_compilation):
1584         * tree-pass.h (TODO_dump_func, TODO_ggc_collect,
1585         TODO_verify_ssa, TODO_verify_flow, TODO_verify_stmts,
1586         TODO_cleanup_cfg): Renumber.
1587         (TODO_verify_loops, TODO_update_ssa,
1588         TODO_update_ssa_no_phi, TODO_update_ssa_full_phi,
1589         TODO_update_ssa_only_virtuals): Define.
1590         (pass_copy_prop, pass_store_ccp, pass_store_copy_prop, pass_vrp):
1591         Declare.
1592         * tree-phinodes.c (make_phi_node): Update documentation.
1593         (remove_all_phi_nodes_for): Remove.
1594         (find_phi_node_for): New.
1595         * tree-pretty-print.c (dump_generic_node): Handle ASSERT_EXPR.
1596         * tree-scalar-evolution.c (follow_ssa_edge_in_rhs): Likewise.
1597         (interpret_rhs_modify_expr): Likewise.
1598         * tree-sra.c (decide_instantiations): Mark all symbols in
1599         SRA_CANDIDATES for renaming.
1600         (mark_all_v_defs_1): Rename from mark_all_v_defs.
1601         (mark_all_v_defs): New function.  Update all users to call it
1602         with the whole list of scalarized statements, not just the
1603         first one.
1604         * tree-ssa-alias.c (count_ptr_derefs): Make extern.
1605         (compute_flow_insensitive_aliasing): If the tag is
1606         unmodifiable and the variable isn't or vice-versa, don't
1607         make them alias of each other.
1608         (setup_pointers_and_addressables): If the type tag for
1609         VAR is about to change, mark the old one for renaming.
1610         (add_type_alias): New.
1611         * tree-ssa-ccp.c: Document SSA-CCP and STORE-CCP.
1612         (ccp_lattice_t): Rename from latticevalue.
1613         (value): Remove.  Update all users.
1614         (const_val): New local variable.
1615         (do_store_ccp): New local variable.
1616         (dump_lattice_value): Handle UNINITIALIZED.
1617         (debug_lattice_value): New.
1618         (get_default_value): Re-write.
1619         (set_lattice_value): Re-write.
1620         (def_to_varying): Remove.  Update all users.
1621         (likely_value): Return VARYING for statements that make
1622         stores when STORE_CCP is false.
1623         Return VARYING for any statement other than MODIFY_EXPR,
1624         COND_EXPR and SWITCH_EXPR.
1625         (ccp_initialize): Re-write.
1626         (replace_uses_in, replace_vuse_in, substitute_and_fold):
1627         Move to tree-ssa-propagate.c.
1628         (ccp_lattice_meet): Handle memory stores when
1629         DO_STORE_CCP is true.
1630         (ccp_visit_phi_node): Likewise.
1631         (ccp_fold): Likewise.
1632         (evaluate_stmt): Likewise.
1633         (visit_assignment): Likewise.
1634         (ccp_visit_stmt): Likewise.
1635         (execute_ssa_ccp): Add argument 'store_ccp'.  Copy it
1636         into DO_STORE_CCP.
1637         (do_ssa_ccp): New.
1638         (pass_ccp): Use it.
1639         (do_ssa_store_ccp): New.
1640         (gate_store_ccp): New.
1641         (pass_store_ccp): Declare.
1642         * tree-ssa-copy.c: Include tree-ssa-propagate.h.
1643         (may_propagate_copy): Reformat.
1644         Don't abort if ORIG is a virtual and DEST isn't.
1645         If NEW does not have alias information but DEST does,
1646         copy it.
1647         (copy_of, cached_last_copy_of, do_store_copy_prop, enum
1648         copy_prop_kind, which_copy_prop): Declare.
1649         (stmt_may_generate_copy, get_copy_of_val,
1650         get_last_copy_of, set_copy_of_val, dump_copy_of,
1651         copy_prop_visit_assignment, copy_prop_visit_cond_stmt,
1652         copy_prop_visit_stmt, copy_prop_visit_phi_node,
1653         init_copy_prop, fini_copy_prop, execute_copy_prop,
1654         gate_copy_prop, do_copy_prop, gate_store_copy_prop,
1655         store_copy_prop): New.
1656         (pass_copy_prop, pass_store_copy_prop): Declare.
1657         * tree-ssa-dom.c (struct opt_stats_d): Add fields
1658         'num_const_prop' and 'num_copy_prop'.
1659         (cprop_operand): Update them.
1660         (dump_dominator_optimization_stats): Dump them.
1661         (tree_ssa_dominator_optimize): Call update_ssa instead of
1662         rewrite_into_ssa.
1663         (loop_depth_of_name): Declare extern.
1664         (simplify_cond_and_lookup_avail_expr): Guard against NULL
1665         values for LOW or HIGH.
1666         (cprop_into_successor_phis): Only propagate if NEW != ORIG.
1667         (record_equivalences_from_stmt): Call expr_computes_nonzero.
1668         (cprop_operand): Only propagate if VAL != OP.
1669         * tree-ssa-dse.c (dse_optimize_stmt): Mark symbols in removed
1670         statement for renaming.
1671         * tree-ssa-loop-im.c (move_computations): Call update_ssa.
1672         * tree-ssa-loop-ivopts.c (rewrite_address_base): Call
1673         add_type_alias if necessary.
1674         Call mark_new_vars_to_rename.
1675         (tree_ssa_iv_optimize): If new symbols need to be renamed,
1676         mark every statement updated, call update_ssa and
1677         rewrite_into_loop_closed_ssa.
1678         * tree-ssa-loop-manip.c (add_exit_phis): Do not remove DEF_BB
1679         from LIVEIN if VAR is a virtual.
1680         * tree-ssa-loop.c (tree_loop_optimizer_init): Call update_ssa.
1681         * tree-ssa-operands.c (get_expr_operands): Handle ASSERT_EXPR.
1682         (get_call_expr_operands): Reformat statement.
1683         (add_stmt_operand): Don't create V_MAY_DEFs for read-only
1684         symbols.
1685         * tree-ssa-propagate.c (ssa_prop_init): Initialize
1686         SSA_NAME_VALUE for every name.
1687         (first_vdef, stmt_makes_single_load, stmt_makes_single_store,
1688         get_value_loaded_by): New.
1689         (replace_uses_in, replace_vuses_in, replace_phi_args_in,
1690         substitute_and_fold): Move from tree-ssa-ccp.c.
1691         * tree-ssa-propagate.h (struct prop_value_d, prop_value_t,
1692         first_vdef, stmt_makes_single_load, stmt_makes_single_store,
1693         get_value_loaded_by, replace_uses_in, substitute_and_fold):
1694         Declare.
1695         * tree-ssa.c (verify_use): Fix error message.
1696         (propagate_into_addr, replace_immediate_uses, get_eq_name,
1697         check_phi_redundancy, kill_redundant_phi_nodes,
1698         pass_redundant_phi): Remove.  Update all users.
1699         * tree-vect-transform.c (vect_create_data_ref_ptr): Call
1700         add_type_alias, if necessary.
1701         * tree-vectorizer.h (struct _stmt_vect_info): Update
1702         documentation for field 'memtag'.
1703         * tree-vrp.c: New file.
1704         * tree.def (ASSERT_EXPR): Define.
1705         * tree.h (ASSERT_EXPR_VAR): Define.
1706         (ASSERT_EXPR_COND): Define.
1707         (SSA_NAME_VALUE_RANGE): Define.
1708         (struct tree_ssa_name): Add field 'value_range'.
1709         (PHI_REWRITTEN): Remove.
1710         (struct tree_phi_node): Remove field 'rewritten'.
1711         * doc/invoke.texi (-fdump-tree-storeccp, -ftree-copy-prop,
1712         -ftree-store-copy-prop): Document.
1713         * doc/tree-ssa.texi: Remove broken link to McCAT's compiler.
1714         Document usage of update_ssa.
1715
1716 2005-04-08  David Edelsohn  <edelsohn@gnu.org>
1717
1718         PR target/20814
1719         * config/rs6000/predicates.md (altivec_register_operand): Accept
1720         SUBREG.
1721         (and64_operand): Do not limit CONST_INT to mask64_operand.
1722         (and64_2_operand): Do not limit CONST_INT to mask64_1or2_operand.
1723         (and_operand): Do not limit CONST_INT to mask_operand.
1724
1725 2005-04-09  Hans-Peter Nilsson  <hp@axis.com>
1726
1727         PR rtl-optimization/20466
1728         * flow.c (invalidate_mems_from_set): Handle a MEM by checking it
1729         for overlap of the address of each list member.
1730         (mark_set_1): Call invalidate_mems_from_set for MEMs too.
1731
1732 2005-04-08  Mike Stump  <mrs@apple.com>
1733
1734         * config/darwin.c (indirect_data): Fix typo in strncmp logic.
1735
1736         * config/rs6000/rs6000.c (rs6000_emit_prologue): Use 5 nops,
1737         instead of 4.
1738
1739 2005-04-08  Kazu Hirata  <kazu@cs.umass.edu>
1740
1741         * c-tree.h (C_LANG_TREE_NODE_CHAIN_NEXT): Remove.
1742
1743         * function.c (push_function_context_to): Don't set
1744         contains_functions.
1745         * function.h (function): Remove contains_functions.
1746         (current_function_contains_functions): Remove.
1747
1748         * function.h (function): Remove instrument_entry_exit.
1749         (current_function_instrument_entry_exit): Remove.
1750
1751         * function.h (nonlocal_labels): Remove.
1752
1753         * tree.h (STRIP_MAIN_TYPE_NOPS): Remove.
1754
1755         * genattrtab.c (attr_desc): Remove negative_ok and unsigned_p.
1756         (check_attr_value, write_attr_get, write_expr_attr_cache,
1757         find_attr, make_internal_attr): Don't reference negative_ok or
1758         unsigned_p.
1759         * genattrtab.h (ATTR_NEGATIVE_OK, ATTR_UNSIGNED,
1760         ATTR_FUNC_UNITS, ATTR_BLOCKAGE): Remove.
1761         (ATTR_STATIC): Adjust the value.
1762
1763         * c-common.h (C_ARTIFICIAL_STRING_P): Remove.
1764
1765 2005-04-08  Ulrich Weigand  <uweigand@de.ibm.com>
1766
1767         * config/s390/tpf.h (ASM_SPEC): Define.
1768
1769 2005-04-08  Kazu Hirata  <kazu@cs.umass.edu>
1770
1771         * tree-flow.h: Remove the prototype for
1772         redirect_immediate_uses.
1773         (TDFA_USE_OPS, TDFA_USE_VOPS): Remove.
1774
1775 2005-04-08  Richard Earnshaw  <richard.earnshaw@arm.com>
1776
1777         * arm.c (arm_const_double_by_parts): New function.
1778         * arm-protos.h (arm_const_double_by_parts): Add prototype.
1779         * arm.md (define_split for 64-bit constants): Add another one.
1780
1781 2005-04-08  Andrew MacLeod  <amacleod@redhat.com>
1782
1783         * tree-ssa-operands.c (correct_use_link): Remove linear scan.
1784
1785 2005-04-08  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1786
1787         * system.h: Revert last change.
1788
1789 2005-04-08  Richard Sandiford  <rsandifo@redhat.com>
1790
1791         * config/xtensa/xtensa.h (target_flags, MASK_NO_FUSED_MADD)
1792         (MASK_CONST16, TARGET_NO_FUSED_MADD, TARGET_CONST16)
1793         (TARGET_SWITCHES): Delete.
1794         * config/xtensa/xtensa.c (TARGET_DEFAULT_TARGET_FLAGS): Define.
1795         * config/xtensa/xtensa.md (muladdsf3, mulsubsf3): Check
1796         TARGET_FUSED_MADD instead of !TARGET_NO_FUSED_MADD.
1797         * config/xtensa/xtensa.opt: New file.
1798
1799 2005-04-08  Ben Elliston  <bje@au.ibm.com>
1800
1801         * config/fp-bit.c: Include L_mul_tf in #endif comment.
1802         * config/fp-bit.h: Tidy comments.
1803
1804 2005-04-07  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1805
1806         * system.h: Poison PARAMS.
1807
1808 2005-04-07  Richard Sandiford  <rsandifo@redhat.com>
1809
1810         * config/vax/vax.h (target_flags, MASK_UNIX_ASM, MASK_VAXC_ALIGNMENT)
1811         (MASK_G_FLOAT, TARGET_UNIX_ASM, TARGET_VAXC_ALIGNMENT, TARGET_G_FLOAT)
1812         (TARGET_SWITCHES): Delete.
1813         * config/vax/vax.c (TARGET_DEFAULT_TARGET_FLAGS): Override default.
1814         * config/vax/vax.opt: New file.
1815
1816 2005-04-07  Daniel Berlin  <dberlin@dberlin.org>
1817
1818         * tree-ssa-dse.c (dse_optimize_stmt): Fix incorrect comment.
1819
1820 2005-04-07  Ian Lance Taylor  <ian@airs.com>
1821
1822         * config/iq2000/iq2000.h (DONT_ACCESS_GBLS_AFTER_EPILOGUE): Don't
1823         define.
1824         * config/mips/mips.h (DONT_ACCESS_GBLS_AFTER_EPILOGUE): Likewise.
1825         * config/sparc/sparc.h (DONT_ACCESS_GBLS_AFTER_EPILOGUE):
1826         Likewise.
1827
1828 2005-04-07  Kazu Hirata  <kazu@cs.umass.edu>
1829
1830         * tree-ssa-sink.c (nearest_common_dominator_of_uses): Consider
1831         all immediate uses in PHI nodes.
1832
1833 2005-04-07  Richard Earnshaw  <richard.earnshaw@arm.com>
1834
1835         * arm.c (arm_const_double_inline_cost): Handle any constant by
1836         using gen_lowpart and gen_highpart_mode.
1837         (note_invalid_constants): All constants in an RTX with a constraint
1838         that permits memory are now pushed to the constant pool.
1839         (output_move_double): Delete code to handle reg to reg and
1840         constant to reg moves.
1841         (const_double_needs_minipool, output_mov_immediate): Delete.
1842         * arm.h (EXTRA_CONSTRAINT_STR_ARM): All 'D' variants now handle
1843         CONST_INT and CONST_VECTOR.
1844         * arm.md (ANY64): New mode macro.
1845         (arm_movdi): Split reg-reg and const-reg moves.  Simplify constraints.
1846         (movdf_soft_insn): Split reg-reg and const-reg moves.
1847         (split patterns for 64-bit constant and register moves): New.
1848         * cirrus.md (cirrus_arm_movdi): Split reg-reg and const-reg moves.
1849         (cirrus_movdf_hard_insn): Likewise.
1850         * fpa.md (movdf_fpa): Likewise.
1851         * iwmmxt.md (iwmmxt_arm_movdi): Likewise.
1852         (movv8qi_internal, movv4hi_internal, movv2si_internal): Fix
1853         constraints.
1854         (movv2si_internal_2): Likewise.
1855         * vfp.md (arm_movdi_vfp): Split reg-reg and const-reg moves.
1856         (movdf_vfp): Likewise.
1857         * arm-protos.h (output_mov_immediate): Delete prototype.
1858
1859 2005-04-07  Joseph S. Myers  <joseph@codesourcery.com>
1860
1861         PR target/20093
1862         * simplify-rtx.c (simplify_unary_operation_1): Check
1863         SUBREG_PROMOTED_UNSIGNED_P (op) > 0 for zero-extension.
1864
1865 2005-04-06  James E Wilson  <wilson@specifixinc.com>
1866
1867         PR target/20717
1868         * cgraphunit.c (record_call_1, case FDESC_EXPR): Handle same as
1869         ADDR_EXPR.
1870
1871 2004-04-06  Richard Sandiford  <rsandifo@redhat.com>
1872
1873         * coverage.h (GCOV_TYPE_NODE): Delete.
1874         * coverage.c (coverage_counter_alloc, tree_coverage_counter_ref)
1875         (build_ctr_info_type): Use get_gcov_type () instead of GCOV_TYPE_NODE.
1876         * tree-profile.c (tree_gen_edge_profiler, tree_gen_interval_profiler)
1877         (tree_gen_pow2_profiler, tree_gen_one_value_profiler): Likewise.
1878         * value-prof.c (tree_divmod_fixed_value_transform): Delete.
1879
1880 2004-04-06  Richard Sandiford  <rsandifo@redhat.com>
1881
1882         PR other/20792
1883         * Makefile.in (gcc.pot): Remove options.c dependency.
1884         * optc-gen.awk: Don't quote help strings with N_().
1885
1886 2005-04-06  James A. Morrison  <phython@gcc.gnu.org>
1887
1888         * c-common.c (handle_malloc_atttribute): Only set DECL_IS_MALLOC if
1889         the function returns a pointer type.
1890
1891 2005-04-06  Daniel Berlin  <dberlin@dberlin.org>
1892
1893         * params.def (PARAM_SALIAS_MAX_IMPLICIT_FIELDS): New
1894         * params.h (SALIAS_MAX_IMPLICIT_FIELDS): New
1895         * doc/invoke.texi: Documnet salias-max-implicit-fields.
1896         * tree-ssa-alias.c (struct used_part): Add implicit_uses and
1897         explicit_uses members.
1898         (get_or_create_used_part_for): Initialize new fields.
1899         (fieldoff_compare): New function.
1900         (create_overlap_variables_for): Count number of fields, use
1901         heuristic to determine whether to create subvars for vars with
1902         only implicit uses.
1903         Sort the field list by offset and avoid creating duplicate SFT's.
1904
1905 2005-04-06  Richard Sandiford  <rsandifo@redhat.com>
1906
1907         * c.opt (-F): Remove trailing whitespace from help string.
1908         (-finput-charset): Use a tab to separate the switch name and help
1909         string.
1910         * common.opt (-fsched-stalled-insns, -fsched-stalled-insns-dep)
1911         (-ftree-vectorizer-verbose): Likewise.
1912
1913 2005-04-06  Kazu Hirata  <kazu@cs.umass.edu>
1914
1915         * tree-ssa-sink.c (nearest_common_dominator_of_uses): Look at
1916         a PHI argument where a use occurs instead of all PHI arguments.
1917
1918 2005-04-06  Joseph S. Myers  <joseph@codesourcery.com>
1919
1920         * c-decl.c (finish_decl): Apply pending #pragma weak regardless of
1921         scope.
1922
1923 2005-04-06  Kazu Hirata  <kazu@cs.umass.edu>
1924
1925         * cse.c, tree-flow-inline.h, tree-flow.h, tree-ssa-operands.c,
1926         tree-ssa-sink.c, tree.h, config/bfin/bfin.c,
1927         config/bfin/bfin.h: Fix comment typos.
1928
1929 2005-04-06  Ranjit Mathew  <rmathew@hotmail.com>
1930
1931         * doc/install.texi: Update the URL for Jacks.
1932         * doc/sourcebuild.texi: Likewise.
1933
1934 2005-04-06  Eric Botcazou  <ebotcazou@libertysurf.fr>
1935
1936         PR target/17245
1937         * config/sparc/sparc.c (legitimate_address_p): Remove 'imm2'.
1938         Revert 2004-10-08 patch.  Reject TFmode LO_SUM in 32-bit mode.
1939
1940 2005-04-06  Kelley Cook  <kcook@gcc.gnu.org>
1941
1942         * Makefile.in (LIBGCC2_CFLAGS): Revert -pipe change.
1943
1944 2005-04-06  Richard Sandiford  <rsandifo@redhat.com>
1945
1946         * config/v850/v850-protos.h (override_options): Delete.
1947         * config/v850/v850.h (target_flags, MASK_GHS, MASK_LONG_CALLS, MASK_EP)
1948         (MASK_PROLOG_FUNCTION, MASK_DEBUG, MASK_V850, MASK_V850E)
1949         (MASK_SMALL_SLD, MASK_BIG_SWITCH, MASK_NO_APP_REGS, MASK_DISABLE_CALLT)
1950         (MASK_STRICT_ALIGN, MASK_US_BIT_SET, MASK_US_MASK_SET, TARGET_GHS)
1951         (TARGET_LONG_CALLS, TARGET_EP, TARGET_PROLOG_FUNCTION, TARGET_V850)
1952         (TARGET_BIG_SWITCH, TARGET_DEBUG, TARGET_V850E, TARGET_US_BIT_SET)
1953         (TARGET_SMALL_SLD, TARGET_DISABLE_CALLT, TARGET_NO_APP_REGS)
1954         (TARGET_STRICT_ALIGN, TARGET_SWITCHES, TARGET_OPTIONS)
1955         (OVERRIDE_OPTIONS): Delete.
1956         (MASK_CPU): Redefine as MASK_V850 | MASK_V850E.
1957         (small_memory_info): Remove the value field.
1958         (CONDITIONAL_REGISTER_USAGE): Check !TARGET_APP_REGS rather than
1959         TARGET_NO_APP_REGS.
1960         * config/v850/v850.c (small_memory): Remove the value field.
1961         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
1962         (override_options): Delete.
1963         (v850_handle_memory_option, v850_handle_option): New functions.
1964         * config/v850/v850.opt: New file.
1965
1966 2005-04-06  Geoffrey Keating  <geoffk@apple.com>
1967
1968         * config.host: Add a section for generic hosts, and a subsection
1969         for Darwin.  Add a case for x86-darwin.  Update ppc-darwin case.
1970         * config/host-darwin.c: New, split out of config/rs6000/host-darwin.c.
1971         * config/host-darwin.h: New.
1972         * config/x-darwin: New.
1973         * config/i386/host-i386-darwin.c: New.
1974         * config/i386/x-darwin: New.
1975         * config/rs6000/host-darwin.c: Include host-darwin.h.
1976         (darwin_rs6000_gt_pch_get_address): Move to config/host-darwin.c.
1977         (darwin_rs6000_gt_pch_use_address): Likewise.
1978         * config/rs6000/x-darwin: Change name of .o built, update
1979         dependencies for changes to rs6000/host-darwin.c.
1980
1981 2005-04-06  Ralf Corsepius  <ralf.corsepius@rtems.org>
1982
1983         PR target/17824
1984         * config/c4x/c4x.h (ASM_PROG, LD_PROG): Remove.
1985
1986 2005-04-06  Dorit Naishlos  <dorit@il.ibm.com>
1987
1988         * tree-vect-analyze.c (vect_analyze_loop_form): Call
1989         split_loop_exit_edge instead of loop_split_edge_with.
1990
1991 2005-04-06  Paolo Bonzini  <bonzini@gnu.org>
1992
1993         * config/rs6000/altivec.md (UNSPEC_VSLW, UNSPEC_SUBS,
1994         UNSPEC_SET_VSCR): New constants, used throughout.
1995         (*andc3_v4sf): New.
1996         (altivec_vspltisb, altivec_vsplitish, altivec_vsplitisw):
1997         Replace with...
1998         (altivec_vspltis<VI_char>): ... this pattern, using
1999         a QImode const_int_operand for the immediate.
2000         (abs<mode>2, absv4sf2, altivec_abss_<mode>): Rewrite as
2001         define_expands.
2002
2003 2005-04-06  Ralf Corsepius  <ralf.corsepius@rtems.org>
2004
2005         PR target/17822
2006         * config/avr/t-avr (AR_FOR_TARGET,RANLIB_FOR_TARGET): Remove.
2007
2008 2005-04-06  Kelley Cook  <kcook@gcc.gnu.org>
2009
2010         * Makefile.in (LIBGCC2_CFLAGS): Compile with -pipe.
2011
2012 2005-04-06  Ben Elliston  <bje@au.ibm.com>
2013
2014         * gcc.c: Correct comment about DEFAULT_SWITCH_TAKES_ARG and
2015         DEFAULT_WORD_SWITCH_TAKES_ARG which incorrectly reported these
2016         macros as living in "this file" and not gcc.h.
2017
2018 2005-04-06  Ben Elliston  <bje@au.ibm.com>
2019
2020         * doc/invoke.texi (Optimize Options): Mention -ftree-lrs, not
2021         -ftree-live_range_split.  Perhaps renamed at some point?
2022
2023 2005-04-06  Zdenek Dvorak  <dvorakz@suse.cz>
2024
2025         PR target/20625
2026         * tree-ssa-loop-ivopts.c (generic_type_for): New function.
2027         (add_candidate_1): Use generic_type_for instead of unsigned_type_for.
2028
2029 2005-04-06  Zdenek Dvorak  <dvorakz@suse.cz>
2030
2031         * tree-flow.h (number_of_iterations_cond): Declaration removed.
2032         * tree-ssa-loop-niter.c (number_of_iterations_cond): Made static.
2033         (number_of_iterations_special): New function.
2034         (number_of_iterations_exit): Use number_of_iterations_special.
2035         Use simplify_using_outer_evolutions only at -O3.
2036         (number_of_iterations_cond, tree_simplify_using_condition,
2037         simplify_using_initial_conditions, loop_niter_by_eval,
2038         compare_trees, can_count_iv_in_wider_type_bound,
2039         simplify_using_outer_evolutions): Use fold_build.
2040
2041 2005-04-05  Thomas Fitzsimmons  <fitzsim@redhat.com>
2042
2043         * doc/install.texi (Configuration): Document --with-java-home.
2044
2045 2005-04-05  Richard Henderson  <rth@redhat.com>
2046
2047         PR target/20342
2048         PR target/20447
2049         * config/i386/i386.c (print_operand): Handle vector zeros.
2050         (ix86_split_to_parts): Handle CONST_VECTOR.
2051         (ix86_hard_regno_mode_ok): Allow MMX modes in general regs.
2052         (ix86_modes_tieable_p): Use ix86_hard_regno_mode_ok to decide
2053         what modes to tie for MMX and SSE registers.
2054         * config/i386/i386.h (MMX_REG_MODE_P): Remove.
2055         * config/i386/i386.md: Extend move 0 -> xor peephole to apply
2056         to vector modes as well.
2057         * config/i386/predicates.md (const0_operand): Handle VOIDmode
2058         properly as an input mode.
2059
2060 2005-04-05  Andrew MacLeod  <amacleod@redhat.com>
2061
2062         * tree-ssa-operands.c (verify_abort): Use %p for pointers.
2063
2064 2005-04-05  Andrew MacLeod  <amacleod@redhat.com>
2065
2066         * tree-pretty-print.c (dump_generic_node): Use %p for pointer.
2067
2068 2005-04-05  Jakub Jelinek  <jakub@redhat.com>
2069
2070         * config/i386/i386.c (init_cumulative_args): For -m32 -mfpmath=sse
2071         and local functions, set sse_nregs to 8 and float_in_sse.
2072         (function_arg_advance, function_arg): If float_in_sse, pass
2073         SFmode and DFmode arguments in SSE registers.
2074         * config/i386/i386.h (CUMULATIVE_ARGS): Add float_in_sse field.
2075
2076         * config/i386/i386.c (ix86_value_regno): Only optimize local functions
2077         of -funit-at-a-time.
2078
2079 2005-04-05  Paolo Bonzini  <bonzini@gnu.org>
2080
2081         * config/i386/i386-protos.h (ix86_function_value): Accept two
2082         arguments, like the target macro.
2083         * config/i386/i386.h (FUNCTION_VALUE): Pass both arguments.
2084         * config/i386/i386.c (ix86_function_value): Accept the second
2085         argument of the target macro.
2086         (ix86_function_ok_for_sibcall): Pass a function pointer to
2087         ix86_function_value.
2088         (ix86_function_value, ix86_libcall_value) [!TARGET_64BIT]: Adjust
2089         call to ix86_value_regno).
2090         (ix86_value_regno): Add support for returning floating point values
2091         in SSE registers.
2092
2093 2005-04-05  Jakub Jelinek  <jakub@redhat.com>
2094
2095         PR tree-optimization/20076
2096         * tree-inline.c (inline_forbidden_p_1): Prevent inlining functions
2097         that call __builtin_return or __builtin_apply_args.
2098
2099 2005-04-05  Andrew MacLeod  <amacleod@redhat.com>
2100
2101         * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use update_stmt.
2102         Use immediate use iterator.
2103         (stmt_is_bumper_for_loop): Use immediate use iterator.
2104         * predict.c (strip_builtin_expect): Use update_stmt.
2105         * tree-cfg.c (update_modified_stmts): New. Call update_stmt_if_modified
2106         on all elements of a STATEMENT_LIST.
2107         (bsi_insert_before, bsi_insert_after): Call update_modified_stmts.
2108         (bsi_remove): Remove imm_use links and mark the stmt as modified.
2109         (bsi_replace): Mark stmt as modified and the update it.
2110         * tree-complex.c (update_complex_assignment): Call mark_stmt_modified.
2111         (expand_complex_libcal): Call update_stmt.
2112         (expand_complex_comparison): Call mark_stmt_modified.
2113         (expand_complex_operations_1): Call update_stmt_if_modified.
2114         (expand_vector_operations_1): Call mark_stmt_modified.
2115         * tree-dfa.c (compute_immediate_uses, free_df_for_stmt, free_df,
2116         compute_immediate_uses_for_phi, compute_immediate_uses_for_stmt,
2117         add_immediate_use, redirect_immediate_use,
2118         redirect_immediate_uses, dump_immediate_uses, debug_immediate_uses,
2119         dump_immediate_uses_for, debug_immediate_uses_for): Delete.
2120         (mark_new_vars_to_rename): Call update_stmt.
2121         * tree-dump.c (dump_option_value_in): Add "stmtaddr".
2122         * tree-flow-inline.h (modify_stmt): Rename to mark_stmt_modified.
2123         Ignore PHI nodes.
2124         (unmodify_stmt): Delete.
2125         (update_stmt): New.  Force an update of a stmt.
2126         (update_stmt_if_modified): update a stmt if it is out of date.
2127         (get_stmt_operands): Verify stmt is NOT modified.
2128         (stmt_modified_p): Update comment.
2129         (delink_imm_use): Remove a use node from its immuse list.
2130         (link_imm_use_to_list): Link a use node to a specific list.
2131         (link_imm_use): Link a node to the correct list.
2132         (set_ssa_use_from_ptr): Set a use node to a specific value, and insert
2133         it in the correct list, if appropriate.
2134         (link_imm_use_stmt): Link a use node, and set the stmt pointer.
2135         (relink_imm_use): Link a use node in place of another node in a list.
2136         (relink_imm_use_stmt): LInk a node in place of another node, and set
2137         the stmt pointer.
2138         (end_safe_imm_use_traverse): New.  Terminate a safe immuse iterator.
2139         (end_safe_imm_use_p): New.  Check for the end of a safe immuse iterator.
2140         (first_safe_imm_use): New.  Initialize a safe immuse iterator.
2141         (next_safe_imm_use): New.  Proceed to next safe immuse iterator value.
2142         (end_readonly_imm_use_p): New.  Check for end of a fast immuse iterator.
2143         (first_readonly_imm_use): New.  Initialize a fast immuse iterator.
2144         (next_readonly_imm_use): New.  Get the next fast immuse iterator value.
2145         (has_zero_uses): New.  Return true if there are no uses of a var.
2146         (has_single_use): New.  Return true if there is only a single use of a
2147         variable.
2148         (single_imm_use): New.  Return the simgle immediate use.
2149         (num_imm_uses): New.  Return the number of immediate uses.
2150         (get_v_must_def_ops): Use is now a pointer.
2151         (use_operand_p, get_v_may_def_op_ptr, get_vuse_op_ptr,
2152         get_v_must_def_kill_ptr, get_phi_arg_def_ptr): Return the address of
2153         the use node.
2154         (get_immediate_uses, num_immediate_uses, immediate_use): Delete.
2155         (delink_stmt_imm_use): Delink all immuses from a stmt.
2156         (phi_arg_index_from_use): New.  Return a phi arg index for a use.
2157         * tree-flow.h (struct dataflow_d): Delete.
2158         (immediate_use_iterator_d): New.  Immediate use iterator struct.
2159         (FOR_EACH_IMM_USE_FAST): New.  Macro for read only immuse iteration.
2160         (FOR_EACH_IMM_USE_SAFE): New.  Macro for write-safe immuse iteration.
2161         (BREAK_FROM_SAFE_IMM_USE): New.  Macro for earlyu exit from write-safe
2162         iteration.
2163         (struct stmt_ann_d): Remove dataflow_t from struct.
2164         * tree-if-conv.c (tree_if_conversion).  Don't call free_df.
2165         (if_convertible_phi_p): Use FAST immuse iterator.
2166         (if_convertible_loop_p): Don't call compute_immediate_uses.
2167         (replace_phi_with_cond_modify_expr): Call update_stmt.
2168         * tree-into-ssa.c (mark_def_sites, ssa_mark_def_sites): Call
2169         update_stmt_if_modified.
2170         (rewrite_all_into_ssa): Initialize ssa operands.
2171         * tree-loop-linear.c (linear_transform_loops): Don't call free_df or
2172         compute_immediate_uses.
2173         * tree-optimize.c (execute_todo): Call verify_ssa whenever the
2174         ssa_property is available.
2175         (execute_one_pass):  Change parameters passed to execute_todo.
2176         * tree-outof-ssa.c (rewrite_trees): Don't call modify_stmt.
2177         (remove_ssa_form): Call fini_ssa_operands.
2178         (insert_backedge_copies): Delete call to modify_stmt.
2179         * tree-phinodes.c (make_phi_node): Initialize use nodes.
2180         (release_phi_node): Delink any use nodes before releasing.
2181         (resize_phi_node): Relink any use nodes.
2182         (remove_phi_arg_num): Delink the use node.
2183         (remove_phi_node): Release the ssa_name AFTER releasing the phi node.
2184         (remove_all_phi_nodes_for): Release phi node first.
2185         * tree-pretty-print.c (dump_generic_node): Print stmt address.
2186         * tree-sra.c (mark_all_v_defs): Call update_stmt_if_modified.
2187         (scalarize_use, scalarize_copy): Call update_stmt.
2188         * tree-ssa-alias.c (compute_may_aliases): Update all modified stmts.
2189         (compute_points_to_and_addr_escape): Call mark_stmt_modified.
2190         * tree-ssa-cpp.c (need_imm_uses_for): Delete.
2191         (ccp_initialize): Remove call to compute_immediate_uses.
2192         (substitute_and_fold, execute_fold_all_builtins): Call update_stmt.
2193         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Update all modified
2194         stmts.
2195         (simplify_cond_and_lookup_avail_expr): Call mark_stmt_modified.
2196         (simplify_switch_and_lookup_avail_expr): Call mark_stmt_modified.
2197         (eliminate_redundant_computations): Call mark_stmt_modified.
2198         (cprop_operand): Call mark_stmt_modified.
2199         (optimize_stmt): Call update_stmt_if_modified and mark_stmt_modified.
2200         * tree-ssa-dse.c (fix_phi_uses, fix_stmt_v_may_defs): Delete.
2201         (dse_optimize_stmt): Use new immuse interface.
2202         (tree_ssa_dse): Remove calls to compute_immediate_uses and free_df.
2203         * tree-ssa-forwprop.c (need_imm_uses_for): Delete.
2204         (substitute_single_use_vars): Use new immuse interface.
2205         (tree_ssa_forward_propagate_single_use_vars): Remove calls to free_df
2206         and compute_immediate_uses.
2207         * tree-ssa-loop-im.c (single_reachable_address): Use new immuse
2208         interface.
2209         (rewrite_mem_refs): Call update_stmt.
2210         (determine_lsm): Remove call to compute_imm_uses and free_df.
2211         * tree-ssa-loop-ivcanon.c (create_canonical_iv): Call update_stmt.
2212         (try_unroll_loop_completely): Call update_stmt.
2213         * tree-ssa-loop-ivopts.c (rewrite_address_base): Call update_stmt.
2214         (rewrite_use_compare): Call update_stmt.
2215         (compute_phi_arg_on_exit): Insert each stmt before trying to process.
2216         (rewrite_use) : Call update_stmt.
2217         * tree-ssa-loop-manip.c (verify_loop_closed_ssa): Add arg to call.
2218         * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Call
2219         update_stmt.
2220         * tree-ssa-operands.c (NULL_USE_OPERAND_P): Remove declaration.
2221         (allocate_use_optype, allocate_vuse_optype): Adjust allocation size.
2222         (free_uses, free_vuses, free_v_may_defs, free_v_must_defs): Delink
2223         use nodes.
2224         (initialize_vuse_operand): New.  Initialize a vuse operand.
2225         (initialize_v_may_def_operand): New.  Initialize a maydef operand.
2226         (initialize_v_must_def_operand): New.  Initialize a mustdef operand.
2227         (finalize_ssa_defs): Use stmt parameter.
2228         (correct_use_link): Ensure a use node is in the correct list, and has
2229         the correct stmt pointer.
2230         (finalize_ssa_uses, finalize_ssa_v_may_defs, finalize_ssa_vuses,
2231         finalize_ssa_v_must_defs): Also initialize use nodes.
2232         (finalize_ssa_stmt_operands): Pass extra stmt operands.
2233         (build_ssa_operands): Seperate parsing from final operand construction.
2234         (parse_ssa_operands): New.  Parse entry point for operand building.
2235         (swap_tree_operands): New.  Swap 2 tree operands.
2236         (update_stmt_operands): Ranamed from get_stmt_operands.  Always builds
2237         operands.
2238         (get_expr_operands): Call swap_tree_operands when needed.
2239         (copy_virtual_operands): Use initialize routines for virtual use ops.
2240         (create_ssa_artficial_load_stmt): Add extra stmt parameter.
2241         (verify_abort): New.  Issue imm_use error.
2242         (verify_imm_links): New Verify imm_use links for a var.
2243         (dump_immediate_uses_for): New.  Dump imm_uses for a var to file.
2244         (dump_immediate_uses): New.  Dump imm_uses for all vars to file.
2245         (debug_immediate_uses): New.  Dump imm_uses for all vars to stderr.
2246         (debug_immediate_uses_for): New.  Dump imm_uses for a var to stderr.
2247         * tree-ssa-operands.h (struct use_operand_ptr): Delete.
2248         (NULL_USE_OPERAND_P) Define.
2249         (use_optype_d, v_def_use_operand_type, vuse_optype_d): Add immediate
2250         use node.
2251         (struct vuse_operand_type): New struct.
2252         (SET_USE): Call set_ssa_use_from_ptr.
2253         (USE_STMT): Define.
2254         (PHI_ARG_INDEX_FROM_USE): Define.
2255         * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Set the phi
2256         argument via SET_USE, not PHI_ARG_DEF_TREE.
2257         * tree-ssa-pre.c (eliminate): Call update_stmt.
2258         * tree-ssa-propagate.c (cfg_blocks_get): Use imm_use iterators.  Don't
2259         call free_df.
2260         * tree-ssa-sink.c (all_immediate_uses_same_place): Use imm_use iterator.
2261         (nearest_common_dominator_of_uses): Use imm_use iterator.
2262         (statement_sink_location): Use imm_use iterator and interface.
2263         (execute_sink_code): Don't call compute_immediate_uses or free-df.
2264         * tree-ssa-threadupdate.c (create_edge_and_update_destination_phis): Use
2265         PHI_ARG_DEF, not PHI_ARG_DEF_TREE.
2266         * tree-ssa.c (verify_use, verify_phi_args): Verify some imm_use info.
2267         (verify_ssa): Ensure no stmt is marked modify after optimization pass
2268         if new parameter is true.
2269         (init_tree_ssa): Don't initialize operand cache here.
2270         (delete_tree_ssa): Don't destroy operand cache here.
2271         (propagate_into_addr): Pass in a use pointer, return true if anything
2272         was changed.
2273         (replace_immediate_uses): Use imm_use iterator, call update_stmt.
2274         (check_phi_redundancy): Use imm_use iterator.
2275         (kill_redundant_phi_nodes): Don't call compute_immediate_uses or
2276         free_df.
2277         * tree-ssanames.c (make_ssa_name): Initialize imm_use node.
2278         (release_ssa_name): Delink node and all elements in its imm_use list.
2279         * tree-tailcall.c (adjust_return_value): Call update_stmt.
2280         * tree-vect-analyze.c (vect_stmt_relevant_p): Use imm_use iterator.
2281         * tree-vectorizer.c (need_imm_uses_for): Delete.
2282         (vectorize_loops): Dont call compute_immediate_uses or free_df.
2283         * tree.h (struct ssa_imm_use_d): Define.
2284         (SSA_NAME_IMM_USE_NODE): Define.
2285         (struct tree_ssa_name): Add imm_use node.
2286         (PHI_DF): Delete.
2287         (PHI_ARG_IMM_USE_NODE): Define.
2288         (struct phi_arg_d): Add imm_use node.
2289         (struct tree_phi_node): Remove struct dataflow_d element.
2290         (TDF_STMTADDR): Define.
2291
2292 2005-04-05  Dale Johannesen  <dalej@apple.com>
2293
2294         * doc/invoke.texi (Optimization Options):  Remove
2295         duplicate -fcse-follow-jumps.  Add -fweb.
2296         (-ftree-lim):  Fix spelling (-ftree-loop-im, invariants).
2297         (-fivcanon):  Fix spelling (-ftree-loop-ivcanon).
2298
2299 2005-04-05  Per Bothner  <per@bothner.com>
2300
2301         * tree-ssa.c (execute_early_warn_uninitialized): Pass context node
2302         to talk_tree as 'data' parameter, rather than EXPR_LOCUS.
2303         (warn_uninit): Get EXPR_LOCUS from context now instead.
2304         This fixes a USE_MAPPED_LOCATION testsuite failure.
2305
2306         * tree-ssa.c (warn_uninitialized_var): Remove useless local.
2307
2308 2005-04-05  Per Bothner  <per@bothner.com>
2309
2310         * c-decl.c (finish_function): If USE_MAPPED_LOCATION set the location
2311         of the artification 'return 0' in main() to BUILTINS_LOCATION.
2312         * tree-cfg.c (remove_bb): Check that location isn't BUILTINS_LOCATION
2313         before warning.
2314
2315 2004-04-05  Devang Patel  <dpatel@apple.com>
2316
2317         * config/rs600/altivec.md (altivec_vsr<VI_char>): Rename to ..
2318         (lhsr<mode>3): ... new name.
2319         (altivec_vsra<VI_char>): Rename to ..
2320         (ashr<mode>3): ... new name.
2321         * config/rs6000/rs6000.c (builtin_description): Rename shift
2322         operations.
2323
2324 2004-04-05  Paolo Bonzini  <bonzini@gnu.org>
2325
2326         * combine.c (RTL_HOOKS_GEN_LOWPART_NO_EMIT): Use
2327         gen_lowpart_for_combine.
2328         * cse.c (gen_lowpart_if_possible): Move...
2329         * rtlhooks.c (gen_lowpart_if_possible): ... here.  Also try
2330         gen_lowpart_SUBREG.
2331         (gen_lowpart_no_emit_general): Use it.
2332
2333 2005-04-05  Eric Botcazou  <ebotcazou@libertysurf.fr>
2334
2335         * config/sparc/sparc.c (TARGET_ASM_FILE_END): Undefine before
2336         overriding.
2337
2338 2005-04-05  Paolo Bonzini  <bonzini@gnu.org>
2339
2340         * system.h: Fix typo.
2341
2342 2005-04-05  Bernd Schmidt  <bernd.schmidt@analog.com>
2343
2344         * config/bfin/bfin-modes.def: New file.
2345         * config/bfin/bfin-protos.h: New file.
2346         * config/bfin/bfin.c: New file.
2347         * config/bfin/bfin.h: New file.
2348         * config/bfin/bfin.md: New file.
2349         * config/bfin/bfin.opt: New file.
2350         * config/bfin/crti.s: New file.
2351         * config/bfin/crtn.s: New file.
2352         * config/bfin/elf.h: New file.
2353         * config/bfin/lib1funcs.asm: New file.
2354         * config/bfin/predicates.md: New file.
2355         * config/bfin/t-bfin: New file.
2356         * config/bfin/t-bfin-elf: New file.
2357         * doc/extend.texi (exception_handler, kspisusp, nesting, nmi_handler):
2358         Document new attributes.
2359         (interrupt, interrupt_handler, saveall): Update documentation for
2360         these attributes.
2361         * doc/install.texi (Specific): Add entry for the Blackfin.
2362         * doc/invoke.texi (Blackfin Options): New section.
2363         * doc/md.texi (Blackfin family): New section to document constraints.
2364         * config.gcc: Add bfin*-* and bfin*-elf configurations.
2365
2366 2005-04-05  Olivier Hainque  <hainque@adacore.com>
2367
2368         * config/mips/iris6.h (DWARF_FRAME_RETURN_COLUMN): Redefine to
2369         match what the system unwinder expects.
2370         * config/mips/mips.c (mips_frame_set): If we're saving the return
2371         address register and the dwarf return address column number differs
2372         from the hard register number, adjust the note reg to refer to the
2373         former.
2374
2375 2004-04-05  Richard Sandiford  <rsandifo@redhat.com>
2376
2377         * config/mn10300/mn10300-protos.h (mn10300_override_options): Declare.
2378         * config/mn10300/mn10300.h (target_flags, TARGET_MULT_BUG)
2379         (TARGET_SWITCHES, TARGET_DEFAULT): Delete.
2380         (processor_type): New enum.
2381         (mn10300_processor): New variable.
2382         (TARGET_AM33, TARGET_AM33_2): Redefine in terms of mn10300_processor.
2383         (PROCESSOR_DEFAULT, OVERRIDE_OPTIONS): New macros.
2384         * config/mn10300/linux.h (TARGET_SWITCHES, TARGET_DEFAULT): Delete.
2385         (PROCESSOR_DEFAULT): New macro.
2386         * config/mn10300/mn10300.c (mn10300_processor): New variable.
2387         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
2388         (mn10300_handle_option, mn10300_override_options): New functions.
2389         * config/mn10300/mn10300.opt: New file.
2390
2391 2005-04-05  Eric Botcazou  <ebotcazou@libertysurf.fr>
2392             Sebastian Pop <sebastian.pop@cri.ensmp.fr>
2393
2394         PR tree-optimization/19903
2395         * tree-chrec.c (chrec_convert): Return chrec_dont_know for constants
2396         that don't fit in their type after conversion.
2397
2398 2005-04-05  Uros Bizjak <uros@kss-loka.si>
2399
2400         PR target/20421
2401         * config/i386/i386.md (frndintxf2_floor, frndintxf2_ceil)
2402         (frndintxf2_trunc, frndintxf2_mask_pm): Add FLAGS_REG clobber.
2403         Allocate local stack slots here.  Set ix86_optimize_mode_switching.
2404         flag here. Implement using define_insn_and_split.
2405         (frndintxf2_floor_i387, frndintxf2_ceil_i387, frndintxf2_trunc_i387)
2406         (frndintxf2_mask_pm_i387): New insn patterns.
2407         (floorsf2, floordf2, floorxf2): Remove local stack slot allocations.
2408         Do not set ix86_optimize_mode_switching flag.
2409         (ceilsf2, ceildf2, ceilxf2): Same.
2410         (btruncsf2, btruncdf2, btruncxf2): Same.
2411         (nearbyintsf2, nearbyintdf2, nearbyintxf2): Same.
2412
2413 2005-04-05  Ian Lance Taylor  <ian@airs.com>
2414
2415         PR debug/9963
2416         * config/i386/cygming.h (ASM_OUTPUT_EXTERNAL): Pass DECL to
2417         i386_pe_record_external_function.
2418         (i386_pe_record_external_function): Update declaration.
2419         * config/i386/winnt.c (struct extern_list): Add decl field.
2420         (i386_pe_record_external_function): Add decl parameter.
2421         (i386_pe_file_end): Check TREE_ASM_WRITTEN on decl, not
2422         identifier.
2423         * config/i386/i386-protos.h (i386_pe_record_external_function):
2424         Update declaration.
2425
2426 2005-04-05  Kazu Hirata  <kazu@cs.umass.edu>
2427
2428         * config/m68k/m68k-protos.h: Add a prototype for
2429         valid_dbcc_comparison_p_2.
2430         * config/m68k/m68k.c (not_sp_operand, symbolic_operand,
2431         extend_operator, const_uint32_operand, const_sint32_operand,
2432         general_src_operand, nonimmediate_src_operand,
2433         memory_src_operand, post_inc_operand, pre_dec_operand,
2434         pcrel_address): Move to predicates to predicates.md.
2435         * config/m68k/m68k.h (PREDICATE_CODES): Remove.
2436         * config/m68k/m68k.md: Include predicates.md.
2437         * config/m68k/predicates.md: New.
2438
2439 2005-04-04  Roger Sayle  <roger@eyesopen.com>
2440
2441         * config/i386/i386.md (*truncdfsf2_i387_1): New pattern.
2442
2443         * fold-const.c (maybe_lvalue_p): Delete orphaned comment.
2444
2445 2005-04-04  Ian Lance Taylor  <ian@airs.com>
2446
2447         * c-typeck.c (struct c_switch): Rename switch_stmt field to
2448         switch_expr.
2449         (c_start_case): Build SWITCH_EXPR, not SWITCH_STMT.
2450         (do_case): Use SWITCH_COND rather than SWITCH_STMT_COND.
2451         (c_finish_case): Use SWITCH_BODY rather than SWITCH_STMT_BODY.
2452         Call c_do_switch_expr_warnings rather than c_do_switch_warnings.
2453         * c-common.c (c_do_switch_warnings_1): New static function broken
2454         out of c_do_switch_warnings.
2455         (c_do_switch_warnings): Call c_do_switch_warnings_1.
2456         (c_do_switch_expr_warnings): New function.
2457         * c-common.h (c_do_switch_expr_warnings): Declare.
2458
2459 2005-04-04  David Edelsohn  <edelsohn@gnu.org>
2460             Daniel Jacobowitz  <dan@codesourcery.com>
2461
2462         * tree-eh.c (tree_could_trap_p): Allow non-constant floating point
2463         trapping divide.
2464         * rtlanal.c (may_trap_p): Same.
2465
2466 2005-04-04  Dale Johannesen  <dalej@apple.com>
2467
2468         * ChangeLog:  remove reference to ChangeLog.12.
2469
2470 2005-04-05  Hans-Peter Nilsson  <hp@axis.com>
2471
2472         CRIS epilogue as RTL.
2473         * config/cris/cris.md: Change all 0 in unspec 0 to
2474         CRIS_UNSPEC_PLT.
2475         (CRIS_UNSPEC_PLT, CRIS_UNSPEC_FRAME_DEALLOC): New constants.
2476         ("*cris_load_multiple", "cris_frame_deallocated_barrier"): New
2477         patterns.
2478         ("return"): Change to define_expand.  Call cris_expand_return for
2479         actual expansion.
2480         ("*return_expanded"): New pattern.
2481         ("epilogue"): New define_expand.
2482         * config/cris/cris.h (PREDICATE_CODES): Add
2483         cris_load_multiple_op.
2484         * config/cris/cris.c (ASSERT_PLT_UNSPEC): Correct test for unspec
2485         type.
2486         (enum cris_retinsn_type): New.
2487         (struct machine_function): New member return_type.
2488         (TARGET_ASM_FUNCTION_EPILOGUE): Don't override.
2489         (cris_target_asm_function_epilogue): Remove, moving RTLified
2490         contents to...
2491         (cris_expand_epilogue): New function.
2492         (cris_reg_saved_in_regsave_area, cris_movem_load_rest_p,
2493         (cris_gen_movem_load, cris_load_multiple_op)
2494         (cris_return_address_on_stack_for_return, cris_expand_return): New
2495         functions.
2496         (cris_target_asm_function_prologue)
2497         (cris_initial_frame_pointer_offset): Call
2498         cris_reg_saved_in_regsave_area instead of complicated expression.
2499         Call cris_return_address_on_stack instead of an expression.
2500         (cris_print_operand) <case 'o', case 'O'>: New cases.
2501         (cris_return_address_on_stack): Change return-type to bool.
2502         (cris_simple_epilogue): Ditto.  Return false if registers are
2503         saved.
2504         * config/cris/cris-protos.h (cris_simple_epilogue)
2505         (cris_return_address_on_stack): Adjust prototype return type.
2506         (cris_gen_movem_load, cris_expand_epilogue, cris_expand_return)
2507         (cris_return_address_on_stack_for_return): New prototypes.
2508
2509 2005-04-04  Kazu Hirata  <kazu@cs.umass.edu>
2510
2511         * config/frv/frv.h (PREDICATE_CODES): Add CONST to
2512         gpr_or_int12_operand.
2513
2514         * config/frv/frv-protos.h: Add a prototype to
2515         frv_legitimate_memory_operand and frv_const_unspec_p.
2516         (frv_unspec): Move from frv.c.
2517         * config/frv/frv.c (frv_unspec): Move to frv-protos.h.
2518         (frv_const_unspec_p, frv_legitimate_memory_operand_): Export.
2519         (ldd_address_operand, fdpic_fptr_operand, frv_load_operand,
2520         gpr_or_fpr_operand, gpr_or_int12_operand,
2521         gpr_fpr_or_int12_operand, fpr_or_int6_operand,
2522         gpr_or_int10_operand, gpr_or_int_operand, int12_operand,
2523         int6_operand, int5_operand, uint5_operand, uint4_operand,
2524         uint1_operand, int_2word_operand, uint16_operand,
2525         upper_int16_operand, integer_register_operand,
2526         gpr_no_subreg_operand, fpr_operand, even_reg_operand,
2527         odd_reg_operand, even_gpr_operand, odd_gpr_operand,
2528         quad_fpr_operand, even_fpr_operand, odd_fpr_operand,
2529         dbl_memory_one_insn_operand, dbl_memory_two_insn_operand,
2530         move_destination_operand, movcc_fp_destination_operand,
2531         frv_function_symbol_referenced_p, move_source_operand,
2532         condexec_dest_operand, condexec_source_operand,
2533         reg_or_0_operand, lr_operand, fdpic_operand, got12_operand,
2534         const_unspec_operand, gpr_or_memory_operand,
2535         gpr_or_memory_operand_with_scratch, fpr_or_memory_operand,
2536         icc_operand, fcc_operand, cc_operand, icr_operand,
2537         fcr_operand, cr_operand, call_operand, sibcall_operand,
2538         symbolic_operand, relational_operator,
2539         integer_relational_operator, float_relational_operator,
2540         ccr_eqne_operator, minmax_operator,
2541         condexec_si_binary_operator, condexec_si_media_operator,
2542         condexec_si_divide_operator, condexec_si_unary_operator,
2543         condexec_sf_conv_operator, condexec_sf_add_operator,
2544         condexec_memory_operand, intop_compare_operator, acc_operand,
2545         even_acc_operand, quad_acc_operand, accg_operand: Move to
2546         predicates.md.
2547         * config/frv/frv.h (PREDICATE_CODES): Remove.
2548         * config/frv/frv.md: Include predicates.md.
2549         * config/frv/predicates.md: New.
2550
2551 2004-04-04  Richard Sandiford  <rsandifo@redhat.com>
2552
2553         PR target/19537
2554         * Makefile.in (tree-ssa-loop-ivopts.o): Depend on langhooks.h.
2555         * tree-ssa-loop-ivopts.c: Include langhooks.h.
2556         (add_standard_iv_candidates_for_size): New function, extracting code
2557         from add_standard_iv_candidates and parameterizing it by type size.
2558         (add_standard_iv_candidates): Use add_standard_iv_candidates_for_size.
2559
2560 2004-04-04  Richard Sandiford  <rsandifo@redhat.com>
2561
2562         * system.h (GCOV_SIZE_TYPE): Unposion.
2563         * gcov-io.h (GCOV_TYPE_NODE): Delete, replacing with...
2564         (GCOV_TYPE_SIZE): ...this new macro.
2565         * coverage.h (get_gcov_type, GCOV_TYPE_NODE): Declare.
2566         * coverage.c (get_gcov_type, get_gcov_unsigned_t): New functions.
2567         (rtl_coverage_counter_ref): Use GCOV_TYPE_SIZE.
2568         (build_fn_info_type, build_fn_info_value, build_ctr_info_type)
2569         (build_ctr_info_value, build_gcov_info): Use get_gcov_unsigned_t
2570         instead of unsigned_intSI_type_node.
2571         * rtl-profile.c (rtl_gen_interval_profiler, rtl_gen_pow2_profiler)
2572         (rtl_gen_one_value_profiler_no_edge_manipulation)
2573         (rtl_gen_const_delta_profiler): Use GCOV_TYPE_SIZE.
2574         * value-prof.c: Include coverage.h.
2575
2576 2005-04-02  Daniel Berlin  <dberlin@dberlin.org>
2577             Diego Novillo <dnovillo@redhat.com>
2578
2579         Fix PR tree-optimization/20703
2580         Fix PR tree-optimization/20725
2581
2582         * tree-ssa-pre.c (phi_translate): Handle tcc_comparison.
2583         (create_expression_by_pieces): Ditto.
2584         (valid_in_set): Ditto. Also handle tcc_declaration.
2585         (find_or_generate_expression): Handle comparison class.
2586         (insert_into_preds_of_block): Ditto.
2587         (insert_aux): Ditto.
2588         (create_value_expr_from): Handle comparison class, recursively
2589         handle reference nodes.
2590         (compute_avail): Handle comparison classes, rewrite a little cleaner.
2591         (execute_pre): Fix spacing.
2592         (do_fre): Renamed to execute_fre.
2593
2594 2005-04-04  Eric Botcazou  <ebotcazou@libertysurf.fr>
2595
2596         * doc/invoke.texi (SPARC options): Document that
2597         -mlittle-endian is not supported on Linux either.
2598
2599 2005-04-04  Eric Botcazou  <ebotcazou@libertysurf.fr>
2600
2601         PR target/4198
2602         PR target/12027
2603         * config.gcc (Obsolete configurations): Remove
2604         sparclite-*-coff*, sparclite-*-elf* and sparc86x-*-elf*.
2605         (sparclite-*-coff*): Delete.
2606         (sparclite-*-elf*): Likewise.
2607         (sparc86x-*-elf*): Likewise.
2608         (target_cpu_default) <sparc*-*-*>: Remove sparc86x.
2609         * config/sparc/lite.h: Delete.
2610         * config/sparc/litecoff.h: Likewise.
2611         * config/sparc/liteelf.h: Likewise.
2612         * config/sparc/sp86x-elf.h: Likewise.
2613         * config/sparc/t-sparclite: Likewise.
2614         * config/sparc/t-sp86x: Likewise.
2615
2616 2005-04-04  Adrian Straetling  <straetling@de.ibm.com>
2617
2618         * config/s390/s390-protos.h: (s390_comparison,
2619         s390_alc_comparison, s390_slb_comparison, const0_operand,
2620         consttable_operand, larl_operand, s_operand,
2621         shift_count_operand, bras_sym_operand, load_multiple_operation,
2622         store_multiple_operation, s390_plus_operand): Remove prototypes.
2623         (s390_legitimate_address_without_index_p): New prototype.
2624         * config/s390/s390.c: (SYMBOL_FLAG_ALIGN1, DISP_IN_RANGE): Move
2625         to s390.h.
2626         (s390_comparison, s390_alc_comparison, s390_slb_comparison,
2627         const0_operand, consttable_operand, larl_operand, s_operand,
2628         shift_count_operand, bras_sym_operand, load_multiple_operation,
2629         store_multiple_operation, s390_plus_operand): Move to
2630         predicates.md.
2631         (check_mode): Remove.
2632         (s390_branch_condition_mask): Remove 'static'. Move prototype to
2633         s390-protos.h.
2634         (s390_legitimate_address_without_index_p): New.
2635         * config/s390/s390.h (PREDICATE_CODES): Remove.
2636         * config/s390/s390.md: Include predicates.md.
2637         * config/s390/predicates.md: New.
2638
2639 2005-04-04  Eric Botcazou  <ebotcazou@libertysurf.fr>
2640
2641         PR target/20446
2642         * config/sparc/sparc.h (NEED_INDICATE_EXEC_STACK): Define to 0.
2643         * config/sparc/linux.h (TARGET_ASM_FILE_END): Delete.
2644         (NEED_INDICATE_EXEC_STACK): Define to 1.
2645         * config/sparc/linux64.h (TARGET_ASM_FILE_END): Delete.
2646         (NEED_INDICATE_EXEC_STACK): Define to 1.
2647         * config/sparc/sparc.c (TARGET_ASM_FILE_END): Set to sparc_file_end.
2648         (add_pc_to_pic_symbol): Rename into pic_helper_symbol.
2649         (add_pc_to_pic_symbol_name): Rename into pic_helper_symbol_name.
2650         (pic_helper_emitted_p): New global.
2651         (emit_pic_helper): New function extracted from...
2652         (load_pic_register): ...here.  Add 'delay_pic_helper' parameter.
2653         Do not call emit_pic_helper if delay_pic_helper is true.
2654         (sparc_expand_prologue): Pass 'false' to load_pic_register.
2655         (sparc_output_mi_thunk): Pass 'true' to load_pic_register.
2656         (sparc_file_end): New function.
2657
2658 2005-04-04  Kazu Hirata  <kazu@cs.umass.edu>
2659
2660         * config/mcore/mcore-protos.h: Remove the prototypes for
2661         mcore_arith_reg_operand, mcore_general_movsrc_operand,
2662         mcore_general_movdst_operand, mcore_reload_operand,
2663         mcore_arith_J_operand, mcore_arith_K_operand,
2664         mcore_arith_K_operand_not_0, mcore_arith_M_operand,
2665         mcore_arith_K_S_operand, mcore_arith_imm_operand,
2666         mcore_arith_any_imm_operand, mcore_arith_O_operand,
2667         mcore_literal_K_operand, mcore_addsub_operand,
2668         mcore_compare_operand, mcore_load_multiple_operation,
2669         mcore_store_multiple_operation, mcore_call_address_operand.
2670         Add a prototype for const_ok_for_mcore.
2671         * config/mcore/mcore.c (mcore_call_address_operand,
2672         mcore_general_movsrc_operand, mcore_general_movdst_operand,
2673         mcore_arith_reg_operand, mcore_reload_operand,
2674         mcore_arith_J_operand, mcore_arith_K_operand,
2675         mcore_arith_K_operand_not_0, mcore_arith_K_S_operand,
2676         mcore_arith_M_operand, mcore_arith_imm_operand,
2677         mcore_arith_any_imm_operand, mcore_arith_O_operand,
2678         mcore_literal_K_operand, mcore_addsub_operand,
2679         mcore_compare_operand, mcore_load_multiple_operation,
2680         mcore_store_multiple_operation): Move to predicates.md.
2681         (const_ok_for_mcore): Export.
2682         * config/mcore/mcore.h (PREDICATE_CODES): Remove.
2683         * config/mcore/mcore.md: Include predicates.md.
2684         * config/mcore/predicates.md: New.
2685
2686         * config/mcore/predicates.md: Fix a comment typo.
2687
2688 2005-04-04  Andreas Krebbel  <krebbel1@de.ibm.com>
2689             Adrian Straetling  <straetling@de.ibm.com>
2690
2691         * config/s390/2064.md ("z_mul", "z_inf"): New insn reservations.
2692         * config/s390/2084.md ("x_mul_hi", "x_mul_sidi", "x_div"): Likewise.
2693         * config/s390/s390.md ("imulhi", "imulsi", "imuldi"): Added to "type"
2694         attribute.
2695         ("imul"): Removed from "type" attribute.
2696         ("*muldi3_sign", "muldi3"): Changed type to imuldi.
2697         ("mulsi3/1", "mulsi3/3", "mulsi/4", "mulsidi3", "umulsidi3"):
2698         Changed type to imulsi.
2699         ("*mulsi3_sign", "mulsi3/2"): Changed type to imulhi.
2700
2701 2005-04-04  Richard Sandiford  <rsandifo@redhat.com>
2702
2703         * config/mcore/mcore.h (target_flags, HARDLIT_BIT, ALIGN8_BIT, DIV_BIT)
2704         (RELAX_IMM_BIT, W_FIELD_BIT, OVERALIGN_FUNC_BIT, CGDATA_BIT)
2705         (SLOW_BYTES_BIT, LITTLE_END_BIT, M340_BIT, TARGET_HARDLIT)
2706         (TARGET_DIV, TARGET_RELAX_IMM, TARGET_W_FIELD, TARGET_OVERALIGN_FUNC)
2707         (TARGET_CG_DATA, TARGET_SLOW_BYTES, TARGET_LITTLE_END, TARGET_M340)
2708         (TARGET_SWITCHES, mcore_stack_increment_string)
2709         (TARGET_OPTIONS): Delete.
2710         (TARGET_DEFAULT, OPTIMIZATION_OPTIONS): Use MASK_* constants rather
2711         than *_BIT constants.
2712         (TARGET_8ALIGN): #undef old definition before redefining to 1.
2713         * config/mcore/mcore.c (mcore_stack_increment_string): Delete.
2714         (TARGET_DEFAULT_TARGET_FLAGS): Override default to TARGET_DEFAULT.
2715         (mcore_override_options): Delete mcore_stack_increment code.
2716         Change use of M340_BIT to MASK_M340.
2717         * config/mcore/mcore.opt: New file.
2718
2719 2005-04-04  Ian Lance Taylor  <ian@airs.com>
2720
2721         * config/arm/arm.c (replace_symbols_in_block): Remove static
2722         function.
2723
2724 2005-04-04  Kazu Hirata  <kazu@cs.umass.edu>
2725
2726         * config/fr30/fr30-protos.h: Remove the prototypes for
2727         stack_add_operand, add_immediate_operand,
2728         high_register_operand, low_register_operand, call_operand,
2729         di_operand, and nonimmediate_di_operand.
2730         * config/fr30/fr30.c (stack_add_operand,
2731         add_immediate_operand, high_register_operand,
2732         low_register_operand, call_operand, di_operand,
2733         nonimmediate_di_operand): Move to predicates.md.
2734         * config/fr30/fr30.h (PREDICATE_CODES): Remove.
2735         * config/fr30/fr30.md: Include predicates.md.
2736         * config/fr30/predicates.md: New.
2737
2738         * config/mcore/mcore.h (PREDICATE_CODES): Add SYMBOL_REF and
2739         LABEL_REF to mcore_general_movsrc_operand.  Add SYMBOL_REF to
2740         mcore_call_address_operand.
2741
2742         * config/sh/sh.h (PREDICATE_CODES): Add CONST to
2743         general_movsrc_operand.
2744
2745 2005-04-04  Alan Modra  <amodra@bigpond.net.au>
2746
2747         * passes.c (rest_of_handle_final): NULL unlikely_text_section_name
2748         after freeing.
2749
2750 2005-04-04  Richard Earnshaw  <richard.earnshaw@arm.com>
2751
2752         PR target/14812
2753         * arm.c (arm_select_cc_mode): Return CC_Zmode when comparing against
2754         a negated value.
2755
2756 2005-04-04  Richard Henderson  <rth@redhat.com>
2757             Jakub Jelinek  <jakub@redhat.com>
2758
2759         PR rtl-optimization/16104
2760         * fold-const.c (fold_unary): Fix folding of vector conversions.
2761
2762 2005-04-04  Richard Sandiford  <rsandifo@redhat.com>
2763
2764         * config.gcc (xstormy16-*-elf): Set extra_options.
2765         * config/stormy16/stormy16.h (target_flags, TARGET_SWITCHES): Delete.
2766         * config/stormy16/stormy16.opt: New file.
2767
2768 2005-04-04  Richard Sandiford  <rsandifo@redhat.com>
2769
2770         * config/pdp11/pdp11.h (target_flags, TARGET_SWITCHES, TARGET_DEFAULT)
2771         (TARGET_FPU, TARGET_SOFT_FLOAT, TARGET_AC0, TARGET_NO_AC0, TARGET_45)
2772         (TARGET_BCOPY_BUILTIN, TARGET_INT16, TARGET_INT32, TARGET_FLOAT32)
2773         (TARGET_FLOAT64, TARGET_ABSHI_BUILTIN, TARGET_BRANCH_EXPENSIVE)
2774         (TARGET_BRANCH_CHEAP, TARGET_SPLIT, TARGET_NOSPLIT)
2775         (TARGET_UNIX_ASM): Delete.
2776         (TARGET_40_PLUS): Redefine in terms of TARGET_40 and TARGET_45.
2777         * config/pdp11/2bsd.h (TARGET_UNIX_ASM_DEFAULT): Use MASK_UNIX_ASM.
2778         * config/pdp11/pdp11.c (pdp11_handle_option): New function.
2779         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
2780         * config/pdp11/pdp11.opt: New file.
2781
2782 2005-04-03  Roger Sayle  <roger@eyesopen.com>
2783             Alexandre Oliva  <aoliva@redhat.com>
2784
2785         PR c++/19199
2786         * fold-const.c (non_lvalue): Split tests into...
2787         (maybe_lvalue_p): New function.
2788         (fold_cond_expr_with_comparison): Preserve lvalue-ness for the
2789         C++ front-end prior to lowering into gimple form.
2790
2791 2005-04-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2792
2793         * builtins.def (BUILT_IN_STPNCPY, BUILT_IN_STRCASECMP,
2794         BUILT_IN_STRNCASECMP): New.
2795         * doc/extend.texi: Document stpncpy, strcasecmp, strncasecmp
2796         and strndup.
2797
2798 2005-04-03  Richard Earnshaw  <richard.earnshaw@arm.com>
2799
2800         PR target/14812
2801         * arm.md (addsi3_compare0_for_combiner): Delete.
2802         (addsi3_compare0_scratch_for_combiner): Delete.
2803         (cmpsi_neg_shiftsi): Delete.
2804         (compare_negsi_si): New pattern.
2805         (cmpsi_negshiftsi_si): New pattern.
2806         (negated_cbranchsi4): Restrict to equality_operator.
2807
2808         * arm.md (movhi_insn_arch4): delete trailing white space from assembler
2809         template.
2810
2811 2005-04-03  Kazu Hirata  <kazu@cs.umass.edu>
2812
2813         * cfghooks.c, cfgrtl.c, modulo-sched.c, config/i386/winnt.c:
2814         Fix comment typos.
2815
2816         * doc/install.texi: Fix a typo.
2817
2818 2005-04-03  Steven Bosscher  <stevenb@suse.de>
2819
2820         PR middle-end/20648
2821         * bb-reorder.c (duplicate_computed_gotos): Do not unfactor
2822         a computed goto if the edge to the computed goto block has
2823         incoming abnormal edges.  Clarify how the function works.
2824
2825 2005-04-03  Nathan Sidwell  <nathan@codesourcery.com>
2826
2827         * params.c (set_param_value): Use gcc_assert & gcc_unreachable.
2828         * passes.c (open_dump_file, rest_of_handle_final): Likewise.
2829         * postreload-gcse.c (expr_equiv_p, oprs_unchanged_p,
2830         hash_scan_set, reg_set_between_after_reload_p,
2831         reg_used_between_after_reload_p, get_avail_load_store_reg,
2832         eliminate_partially_redundant_load): Likewise.
2833         * postreload.c (reload_cse_simplify_set,
2834         reload_combine_note_use): Likewise.
2835         * predict.c (predict_insn, expected_value_to_br_prob,
2836         propagate_freq, expensive_function_p): Likewise.
2837         * print-rtl.c (print_rtx): Likewise.
2838         * profile.c (instrument_edges, instrument_values,
2839         compute_branch_probabilities, branch_prob, union_groups,
2840         tree_register_profile_hooks, rtl_register_profile_hooks): Likewise.
2841         * protoize.c (in_system_include_dir, file_could_be_converted,
2842         file_normally_convertible, gen_aux_info_file, seek_to_line,
2843         do_cleaning): Likewise.
2844         * tree-ssa-alias.c (collect_points_to_info_r): Likewise.
2845         * tree-ssa-ccp.c (execute_fold_all_builtins): Likewise.
2846         * tree-ssa-loop-ivopts.c (produce_memory_decl_rtl): Likewise.
2847
2848 2005-04-03 Mostafa Hagog <mustafa@il.ibm.com>
2849
2850         * cfg.c (clear_bb_flags): Don't clear BB_DISABLE_SCHEDULE.
2851         * modulo-sched.c (undo_replace_buff_elem): New structure.
2852         (kernel_number_of_cycles, ps_unschedule_node,
2853         undo_generate_reg_moves,free_undo_replace_buff,
2854         undo_permute_partial_schedule,  loop_single_full_bb_p,
2855         SIMPLE_SMS_LOOP_P, loop_canon_p, canon_loop,
2856         build_loops_structure, get_sched_window): New.
2857         (generate_reg_moves): Return undo_replace_buff_elem and other
2858         fixes.
2859         (generate_prolog_epilog): Remove old loop versioning.
2860         (sms_schedule): Use loop information and loop_version.
2861         (sms_schedule_by_order): Split part of it to get_sched_window.
2862         * passes.c (rest_of_handle_sms): call cfg_layout_initialize
2863         cfg_layout_finalize and free_dominance_info before/after SMS.
2864
2865 2005-04-03 Mostafa Hagog <mustafa@il.ibm.com>
2866
2867         * cfghooks.c (lv_flush_pending_stmts,
2868         cfg_hook_duplicate_loop_to_header_edge, extract_cond_bb_edges,
2869         lv_adjust_loop_header_phi, lv_add_condition_to_bb): New.
2870         * cfghooks.h (cfg_hook_duplicate_loop_to_header_edge,
2871         lv_add_condition_to_bb,
2872         lv_adjust_loop_header_phi, extract_cond_bb_edges,
2873         flush_pending_stmts): New in cfg_hooks structure.
2874         (cfg_hook_duplicate_loop_to_header_edge, lv_flush_pending_stmts,
2875         extract_cond_bb_edges, lv_adjust_loop_header_phi,
2876         lv_add_condition_to_bb): New declarations.
2877         * cfgloop.h (duplicate_loop_to_header_edge): Change return type to
2878         bool.
2879         (loop_version): Declare.
2880         * cfgloopmanip.c (cfghooks.h): Include.
2881         (duplicate_loop_to_header_edge): Change return type to bool.
2882         (loop_version, lv_adjust_loop_entry_edge): Move here.
2883         * cfgrtl.c (cfgloop.h): Include.
2884         (rtl_verify_flow_info_1): Fix.
2885         (rtl_lv_add_condition_to_bb, rtl_extract_cond_bb_edges): New.
2886         (rtl_cfg_hooks, cfg_layout_rtl_cfg_hook): Add hooks to
2887         initialization.
2888         * tree-cfg.c (tree_lv_adjust_loop_header_phi,
2889         tree_lv_add_condition_to_bb): New.
2890         (tree_cfg_hooks): Add new hooks to initialization.
2891         * tree-ssa-loop-manip.c (lv_adjust_loop_header_phi,
2892         lv_adjust_loop_entry_edge, tree_ssa_loop_version): Remove.
2893
2894 2005-04-03  Kazu Hirata  <kazu@cs.umass.edu>
2895
2896         * config/stormy16/stormy16.h (PREDICATE_CODES): Add SUBREG to
2897         xstormy16_below100_or_register,
2898         xstormy16_splittable_below100_or_register, and
2899         nonimmediate_nonstack_operand.
2900
2901         * config/stormy16/stormy16-protos.h: Remove the prototypes for
2902         xstormy16_ineqsi_operator, equality_operator,
2903         inequality_operator, shift_operator,
2904         xstormy16_below100_operand, xstormy16_below100_or_register,
2905         xstormy16_splittable_below100_or_register,
2906         xstormy16_onebit_set_operand, xstormy16_onebit_clr_operand.
2907         * config/stormy16/stormy16.c (xstormy16_ineqsi_operator,
2908         equality_operator, inequality_operator,
2909         xstormy16_below100_operand, xstormy16_below100_or_register,
2910         xstormy16_splittable_below100_or_register,
2911         xstormy16_onebit_set_operand, xstormy16_onebit_clr_operand,
2912         nonimmediate_nonstack_operand, shift_operator): Move to
2913         predicates.md.
2914         * config/stormy16/stormy16.h (PREDICATE_CODES): Remove.
2915         * config/stormy16/stormy16.md: Include predicates.md.
2916         * config/stormy16/predicates.md: New.
2917
2918 2005-04-02  Kazu Hirata  <kazu@cs.umass.edu>
2919
2920         * config/iq2000/iq2000.c (uns_arith_operand, arith_operand,
2921         small_int, large_int, reg_or_0_operand, simple_memory_operand,
2922         equality_op, cmp_op, pc_or_label_operand, call_insn_operand,
2923         move_operand, power_of_2_operand): Move to predicates.md.
2924         * config/iq2000/iq2000.h (SPECIAL_MODE_PREDICATES,
2925         PREDICATE_CODE): Remove.
2926         * config/iq2000/iq2000.md: Include predicates.md.
2927         * config/iq2000/predicates.md: New.
2928
2929 2005-04-02  Richard Sandiford  <rsandifo@redhat.com>
2930
2931         * config/m68hc11/m68hc11.h (target_flags, MASK_SHORT)
2932         (MASK_AUTO_INC_DEC, MASK_M6811, MASK_M6812, MASK_M68S12)
2933         (MASK_NO_DIRECT_MODE, MASK_MIN_MAX, MASK_LONG_CALLS)
2934         (TARGET_SHORT, TARGET_M6811, TARGET_M6812, TARGET_M68S12)
2935         (TARGET_AUTO_INC_DEC, TARGET_MIN_MAX, TARGET_NO_DIRECT_MODE)
2936         (TARGET_LONG_CALLS, TARGET_SWITCHES, TARGET_OPTIONS)
2937         (SUBTARGET_SWITCHES, SUBTARGET_OPTIONS, m68hc11_regparm_string)
2938         (m68hc11_reg_alloc_order, m68hc11_soft_reg_count)
2939         (TARGET_M68HC11): Delete.
2940         (TARGET_DEFAULT): Change the default setting from MASK_M6811 to 0.
2941         * config/m68hc11/m68hc12.h (TARGET_M68HC12): Delete.
2942         * config/m68hc11/m68hc11.c (m68hc11_regparm_string)
2943         (m68hc11_reg_alloc_order, m68hc11_soft_reg_count)
2944         (nb_soft_regs): Delete.
2945         (TARGET_DEFAULT_TARGET_FLAGS): Override default with TARGET_DEFAULT.
2946         (m68hc11_override_options): Remove the code that caters for MASK_M6811
2947         and MASK_M6812 being set simultaneously.  Change the code that sets
2948         the default m68hc11_soft_reg_count to use integers instead of strings.
2949         (m68hc11_conditional_register_usage, hard_regno_mode_ok): Use
2950         m68hc11_soft_reg_count (which now has an int type) as the number
2951         of soft registers.
2952         * config/m68hc11/m68hc11.opt: New file.
2953
2954 2005-04-02  Kazu Hirata  <kazu@cs.umass.edu>
2955
2956         * config/fr30/fr30.h (PREDICATE_CODES): Remove
2957         fp_displacement_operand, sp_displacement_operand.
2958
2959         * config/m68hc11/m68hc11-protos.h: Add a prototype for
2960         m68hcc_auto_inc_p.
2961         Remove the prototypes for tst_operand, cmp_operand,
2962         stack_register_operand, d_register_operand,
2963         hard_addr_reg_operand, splitable_operand,
2964         m68hc11_logical_operator, m68hc11_arith_operator,
2965         m68hc11_non_shift_operator, m68hc11_shift_operator,
2966         m68hc11_unary_operator, m68hc11_eq_compare_operator,
2967         non_push_operand, hard_reg_operand, and
2968         reg_or_some_mem_operand.
2969         * config/m68hc11/m68hc11.c (m68hcc_auto_inc_p): Make it
2970         extern.
2971         (tst_operand, cmp_operand, non_push_operand,
2972         splitable_operand, reg_or_some_mem_operand,
2973         stack_register_operand, d_register_operand,
2974         hard_addr_reg_operand, hard_reg_operand,
2975         m68hc11_eq_compare_operator, m68hc11_logical_operator,
2976         m68hc11_arith_operator, m68hc11_non_shift_operator,
2977         m68hc11_shift_operator, m68hc11_unary_operator): Move to
2978         predicates.md.
2979         * config/m68hc11/m68hc11.h (PREDICATE_CODES): Remove.
2980         * config/m68hc11/m68hc11.md: Include predicates.md.
2981         * config/m68hc11/predicates.md: New.
2982
2983 2005-04-02  Alexandre Oliva  <aoliva@redhat.com>
2984
2985         PR debug/19345
2986         * dwarf2out.c (add_abstract_origin_attribute): Revert accidental
2987         change checked in along with 2005-03-03's patch for debug/20253.
2988         * tree-inline.c (remap_type): Remap TYPE_STUB_DECL.
2989         (remap_decl): Insert type decl in map earlier.
2990
2991 2005-04-02  Alexandre Oliva  <aoliva@redhat.com>
2992
2993         PR tree-optimization/20640
2994         * tree-ssa-dce.c (remove_dead_stmt): Don't redirect edge to
2995         post-dominator if it has phi nodes.
2996         (eliminate_unnecessary_stmts): Remove dead phis in all blocks
2997         before dead statements.
2998
2999 2005-04-02  Alexandre Oliva  <aoliva@redhat.com>
3000
3001         PR middle-end/20491
3002         * final.c (alter_subreg): Don't call subreg_regno for a non-REG.
3003
3004 2005-04-02  Alexandre Oliva  <aoliva@redhat.com>
3005
3006         PR rtl-optimization/20290
3007         * loop.c (for_each_insn_in_loop): Don't assume the loop body runs
3008         in every iteration if the entry point is the exit test.
3009
3010 2005-04-02  Hans-Peter Nilsson  <hp@axis.com>
3011
3012         * config/cris/cris.md (attribute "length"): Define.
3013
3014 2005-04-02  Geoffrey Keating  <geoffk@apple.com>
3015
3016         * config/rs6000/predicates.md (indexed_or_indirect_operand): New.
3017         (word_offset_memref_operand): New.
3018         * config/rs6000/rs6000-protos.h (word_offset_memref_operand): Delete.
3019         (indexed_or_indirect_operand): Delete.
3020         * config/rs6000/rs6000.c (word_offset_memref_operand): Delete.
3021         (indexed_or_indirect_operand): Delete.
3022
3023         * config/rs6000/t-darwin8: Comment out ppc64 multilib.
3024
3025         PR 20650
3026         * config/rs6000/rs6000.md (fix_truncdfsi2): Make destination
3027         a register.
3028
3029         * config/rs6000/t-darwin (TARGET_LIBGCC2_CFLAGS): Add -pipe.
3030         * config/t-darwin (TARGET_LIBGCC2_CFLAGS): Likewise.
3031
3032 2005-04-01  Jan-Benedict Glaw  <jbglaw@lug-owl.de>
3033
3034         * gcc/config/vax/vax.md: Spellcheck, fix whitespace.
3035
3036 2005-04-01  Ian Lance Taylor  <ian@airs.com>
3037
3038         * gcc.c: Don't include <sys/resource.h> or declare getrusage.
3039         (rus, prus): Remove static variables.
3040         (execute): Use pex_run/pex_get_status rather than pexecute/pwait.
3041         (process_command): Permit report_times and use_pipes together.
3042
3043 2005-04-01  Joseph S. Myers  <joseph@codesourcery.com>
3044
3045         * c-decl.c (validate_proto_after_old_defn): Look at
3046         TYPE_MAIN_VARIANT of argument types.
3047
3048 2005-04-01  Paul Brook  <paul@codesourcery.com>
3049
3050         * config/arm/arm.c (thumb_call_via_label): Include space for SP.
3051         (arm_output_function_epilogue): Allow call_via_SP.
3052         (thumb_call_via_reg, arm_file_end): Ditto.
3053         * config/arm/arm.h (struct machine_function): Include space for SP.
3054         (thumb_call_via_label): Update declaration.
3055
3056 2005-04-01  Ian Lance Taylor  <ian@airs.com>
3057
3058         * final.c (final_scan_insn): Revert part of 2005-03-30 patch: when
3059         doing a peephole optimization, once again put any notes in the
3060         proper position.
3061
3062 2005-04-01  Kazu Hirata  <kazu@cs.umass.edu>
3063
3064         * bb-reorder.c, fold-const.c, varasm.c: Fix comment typos.
3065
3066 2005-04-01  Nathan Sidwell  <nathan@codesourcery.com>
3067
3068         * local-alloc.c (update_equiv_regs): Use gcc_assert, gcc_unreachable.
3069         (block_alloc, find_free_reg): Likewise.
3070         * loop-doloop.c (doloop_modify): Likewise.
3071         * loop-invariant.c (record_use): Likewise.
3072         * loop-iv.c (get_biv_step_1, get_biv_step, iv_analyze,
3073         get_iv_value, canon_condition, eliminate_implied_condition,
3074         eliminate_implied_condition, simplify_using_initial_values,
3075         shorten_into_mode, canonicalize_iv_subregs,
3076         iv_number_of_iterations): Likewise.
3077         * loop-unroll.c (expand_var_during_unrolling): Likewise.
3078         * loop-unswitch.c (compare_and_jump_seq, unswitch_single_loop,
3079         unswitch_loop): Likewise.
3080         * loop.c (INSN_LUID, loop_optimize, rtx_equal_for_loop_p,
3081         move_movables, replace_call_address, find_and_verify_loops,
3082         rtx_equal_for_prefetch_p, fold_rtx_mult_add, loop_iterations,
3083         record_giv, final_giv_value, general_induction_var,
3084         simplify_giv_expr, extension_within_bounds_p, try_copy_prop,
3085         loop_giv_dump): Likewise.
3086
3087         * gcov-io.h (GCOV_CHECK, GCOV_CHECK_READING,
3088         GCOV_CHECK_WRITING): Remove.
3089         (gcov_position, gcov_rewrite): Use gcc_assert.
3090         * gcov-io.c (gcov_open, gcov_write_words, gcov_write_length,
3091         gcov_read_words, gcov_sync, gcov_seek): Use gcc_assert.
3092         * libgcov.c (__gcov_merge_single, __gcov_merge_delta): Use
3093         gcc_assert.
3094
3095 2005-04-01  Kazu Hirata  <kazu@cs.umass.edu>
3096
3097         * tree-inline.c: Fix a typo.
3098
3099 2005-04-01  Nathan Sidwell  <nathan@codesourcery.com>
3100
3101         * configure.ac (enable-checking): Explicitly set all variables for
3102         collective switch values.  Alphabetize variables. Rename
3103         ac_checking_valgrind to ac_valgrind_checking.  Allow 'none' as
3104         synonym for 'no'.
3105         * doc/install.texi (enable-checking): Update documentation.
3106         * configure: Rebuilt.
3107
3108 2005-04-01  Kazu Hirata  <kazu@cs.umass.edu>
3109
3110         * tree-inline.c (copy_body_r): Use CONSTANT_CLASS_P where
3111         possible.
3112
3113 2005-04-01  Richard Earnshaw  <richard.earnshaw@arm.com>
3114
3115         * arm.c (adjacent_mem_locations): Reject volatile memory refs.
3116         Also reject cases where this pattern will cause load delay stalls
3117         unless optimizing for size and it will produce a shorter sequence.
3118         * arm.md (arith_adjacent_mem): Make better use of ldm addressing
3119         variants to avoid pre-adjusting the base when possible.
3120
3121 2005-04-01  Richard Earnshaw  <richard.earnshaw@arm.com>
3122
3123         * arm.md (minmax_arithsi): Reject all eliminable registers, not just
3124         the frame and argument pointers.
3125         (strqi_preinc, strqi_predec, loadqi_preinc, loadqi_predec): Likewise.
3126         (loadqisi_preinc, loadqisi_predec, strsi_preinc): Likewise.
3127         (strsi_predec, loadsi_preinc, loadsi_predec): Likewise.
3128         (strqi_shiftpreinc, strqi_shiftpredec, loadqi_shiftpreinc): Likewise.
3129         (loadqi_shiftpredec, strsi_shiftpreinc, strsi_shiftpredec): Likewise.
3130         (loadsi_shiftpreinc, loadsi_shiftpredec): Likewise.
3131
3132 2005-04-01  Danny Smith  <dannysmith@users.sourceforge.net>
3133
3134         * config/i386/cygming.h (SUBTARGET_ATTRIBUTE_TABLE): Define,
3135         with entry for selectany attribute.
3136         * config/i386/i386-protos.h (ix86_handle_selectany_attribute):
3137         Declare.
3138         * config/i386/winnt.c (ix86_handle_selectany_attribute): Define.
3139         (i386_pe_asm_named_section): Handle sections generated by
3140         selectany attribute.
3141         * doc/extend.texi (selectany): Document attribute.
3142
3143 2005-04-01  Paolo Bonzini  <bonzini@gnu.org>
3144             Jan Hubicka  <jh@suse.cz>
3145
3146         * config/i386/i386.c (ix86_decompose_address): Look inside SUBREGs
3147         to fix addresses involving EBP and ESP.
3148         (aligned_operand, legitimate_address_p, ix86_address_cost): Be prepared
3149         for SUBREGed registers.
3150         (legitimate_address_p): Accept SUBREGed registers.
3151
3152 2005-04-01  Jakub Jelinek  <jakub@redhat.com>
3153
3154         PR c++/19406
3155         * dwarf2out.c (gen_type_die_for_member): Handle FIELD_DECL.
3156         (dwarf2out_imported_module_or_decl): Use gen_type_die_for_member
3157         for FIELD_DECLs.
3158
3159 2005-04-01  Kazu Hirata  <kazu@cs.umass.edu>
3160
3161         * doc/contrib.texi, doc/invoke.texi, doc/tm.texi: Fix typos.
3162
3163 2005-04-01  James E Wilson  <wilson@specifixinc.com>
3164
3165         PR c++/20505
3166         * dwarf2out.c (rtl_for_decl_init): New function.
3167         (rtl_for_decl_location): Extracted from here.
3168         (tree_add_const_value_attribute): Call rtl_for_decl_init and
3169         add_const_value_attribute.  Delete initializer_constant_valid_p call.
3170
3171 2005-04-01  Kazu Hirata  <kazu@cs.umass.edu>
3172
3173         * cgraphunit.c, dbxout.c, flow.c, gcse.c, gimplify.c,
3174         lambda-code.c, loop.c, machmode.def, mips-tfile.c,
3175         modulo-sched.c, passes.c, postreload-gcse.c, tree-eh.c,
3176         tree-ssa-ccp.c, varasm.c, config/frv/frv.c, config/frv/frv.h,
3177         config/frv/frv.md, config/i386/i386.c, config/i386/i386.h,
3178         config/i386/i386.md, config/rs6000/predicates.md,
3179         config/rs6000/rs6000.c, config/s390/fixdfdi.h,
3180         config/s390/s390.c, config/stormy16/stormy16.c,
3181         config/stormy16/stormy16.md, config/vax/vax.md: Fix comment
3182         typos.
3183
3184 2005-04-01  Joseph S. Myers  <joseph@codesourcery.com>
3185
3186         PR c/17855
3187         * gimplify.c (gimplify_expr): Create a temporary for lvalue
3188         COND_EXPR and CALL_EXPR.
3189
3190 2005-03-31  Vladimir Makarov  <vmakarov@redhat.com>
3191
3192         PR target/20632
3193         * genautomata.c (first_cycle_unit_presence): Check all alternative
3194         states for unit presence.
3195
3196         * doc/md.texi: Remove remark about impossibility to query unit
3197         presence in non nondeterministic automaton state.
3198
3199         * config/ia64/ia64.c (get_template): Change order of unit querying.
3200
3201 2005-03-31  Kazu Hirata  <kazu@cs.umass.edu>
3202
3203         * tree-ssa-dom.c (cprop_into_successor_phis): Remove an
3204         obsolete comment.
3205
3206 2005-03-31  Zdenek Dvorak  <dvorakz@suse.cz>
3207
3208         * cfgloopanal.c (mark_loop_exit_edges): Clean EDGE_LOOP_EXIT
3209         flag for edges outside any loops.
3210
3211 2005-03-31  Janis Johnson  <janis187@us.ibm.com>
3212
3213         * doc/sourcebuild.texi (Test Directives): Describe cleanup-* procs.
3214
3215 2005-03-31  Kazu Hirata  <kazu@cs.umass.edu>
3216
3217         * tree-ssa-alias.c: Follow spelling conventions.
3218         * doc/tree-ssa.texi: Fix a typo.
3219
3220 2005-03-31  J"orn Rennecke <joern.rennecke@st.com>
3221
3222         * postreload-gcse.c: Include target.h.
3223         (gcse_after_reload_main): Return early if we cannot modify jumps.
3224         * Makefile.in (postreload-gcse.o): Depend on $(TARGET_H).
3225
3226 2005-03-31  David Edelsohn  <edelsohn@gnu.org>
3227
3228         * tree-ssa-loop-im.c (stmt_cost): Add RDIV_EXPR to list of
3229         expensive operations.
3230
3231 2005-03-31  Ian Lance Taylor  <ian@airs.com>
3232
3233         * collect2.c (lderrout): New variable.
3234         (collect_exit): Dump ldout to stdout.  Dump and unlink lderrout,
3235         if it is set, to stderr.
3236         (handler): Unlink lderrout if it is set.
3237         (dump_file): Add "to" parameter.  Change all callers.
3238         (main): Initialize lderrout.
3239         (collect_execute): Add errname parameter.  Change all callers.
3240         Rename redir parameter to outname.  Never pass
3241         PEX_STDERR_TO_STDOUT to pex_run.
3242         * collect2.h (collect_execute, dump_file): Update declarations.
3243         * tlink.c (tlink_execute): Add errname parameter.  Change all
3244         callers.
3245         (do_tlink): Check lderrout as well as ldout.
3246
3247 2005-03-31  Caroline Tice  <ctice@apple.com>
3248
3249         * Makefile.in (varasm.o): Add basic-block.h to list of requirements.
3250         (bb-reorder.o): Add errors.h to list of requirements.
3251         (STAGEFEEDBACK_FLAGS_TO_PASS): Add -freorder-blocks-and-partition to
3252         profiledbootstrap flags.
3253         * bb-reorder.c (errors.h): Add new include.
3254         (struct bbro_basic_block_data_def): Add new field, in_trace.
3255         (add_unlikely_executed_notes):  Remove function.
3256         (mark_bb_for_unlikely_executed_section): Remove function.
3257         (insert_section_boundary_note): New function.
3258         (verify_hot_cold_block_grouping): New function.
3259         (push_to_next_round_p): Remove variables and tests that push all
3260         cold blocks to last round.
3261         (find_traces): Remove code that added extra round of trace finding
3262         when doing partitioning.
3263         (find_traces_1_round) :  Remove variable last_round;  add code to
3264         update new struct field, in_trace; correct trace_length where it was
3265         incorrect before (after call to copy_bb); change code that pushed all
3266         cold blocks to last round. Instead verify that all blocks going into
3267         a trace belong in the same partition.
3268         (connect_traces): Modify to connect the traces in two passes, if the
3269         function contains both hot and cold blocks.  The first pass connects
3270         all the traces for blocks in the partition that the first block in
3271         the function belongs to; the second pass connnects all the traces
3272         containing blocks that belong in the other partition.
3273         (find_rarely_executed_basic_blocks_and_crossing_edges):  Remove
3274         code that automatically put the first block in a function into the
3275         hot partition if the function had any hot blocks.
3276         (fix_crossing_unconditional_branches): Check number of succ edges
3277         before attempting to get one.
3278         (fix_edges_for_rarely_executed_code):  Update comment describing
3279         function.
3280         (reorder_basic_blocks):  Add code to initialize new field (in_trace);
3281         remove call to add_unlikely_executed_notes; add call to
3282         verify_hot_cold_block_grouping.
3283         (duplicate_computed_gotos): Don't change computed goto if it's a
3284         crossing edge.
3285         (partition_hot_cold_basic_blocks):  Update function comment.
3286         * cfgcleanup.c (try_simplify_condjump): Remove redundacy from
3287         condition.
3288         (try_forward_edges): Likewise.
3289         (merge_blocks_move_predecessor_nojumps): Likewise.
3290         (merge_blocks_move_successor_nojumps): Likewise.
3291         (merge_blocks_move): Likewise.
3292         (try_crossjump_bb): Likewise.
3293         * cfglayout.c (update_unlikely_executed_notes): Remove function.
3294         (fixup_reorder_chain): Remove code for adding UNLIKELY_EXECUTED_CODE
3295         notes to cold bb's; remove call to update_unlikely_executed_notes.
3296         (duplicate_insn_chain):  change NOTE_INSN_UNLIKELY_EXECUTED_CODE to
3297         NOTE_INSN_SWITCH_TEXT_SECTIONS.
3298         * cfglayout.h (scan_ahead_for_unlikely_executed_note): Remove
3299         function declaration.
3300         * cfgrtl.c (can_delete_note_p): Remove UNLIKELY_EXECUTED_CODE note
3301         from consideration.
3302         (rtl_can_merge_blocks): Remove redundancy from condition.
3303         (try_redirect_by_replacing_jump): Likewise.
3304         (force_nonfallthru_and_redirect): Remove code for adding
3305         UNLIKELY_EXECUTED_CODE notes to cold bb's.
3306         (commit_one_edge_insertion): Likewise.
3307         (cfg_layout_can_merge_blocks_p): Remove redundancy from condition.
3308         * dbxout.c (FORCE_TEXT): Replace function_section with
3309         current_function_section.
3310         (struct dbx_debug_h): Add do_nothing function for new debug_hooks
3311         function, switch_text_section.
3312         (struct xcoff_debug): Likewise.
3313         (dbxout_function_end): Add code to put out label diffs for both
3314         hot and cold sections.
3315         * debug.c (struct do_nothing_debug_hooks): Add do_nothing function
3316         for new debug_hooks funciton, switch_text_section..
3317         * debug.h (struct gcc_debug_hooks):  Add new function to debug_hooks,
3318         switch_text_section.
3319         * dwarf2out.c (struct dw_fde_struct):  Add five new fields:
3320         dw_fde_hot_section_label, dw_fde_hot_section_end_label,
3321         dw_fde_unlikely_section_label, dw_fde_unlikely_section_end_label and
3322         dw_fde_switched_sections.
3323         (output_call_frame_info):  Add test to see if function switches text
3324         sections in the middle; if so, use appropriate extra hot and cold
3325         section labels to compute size deltas for the hot and cold sections.
3326         (dwarf2out_begin_prologue): Add code to initialize new fields in
3327         dw_fde_struct.
3328         (dwarf2out_switch_text_section): New function (invoked through
3329         debug_hook); updates new fields in dw_fde_struct appropriately and
3330         increments separate_line_info_table_in_use.
3331         (dwarf2_debug_hooks): Initialize switch_text_section function to be
3332         dwarf2out_switch_text_section.
3333         (struct var_loc_node): Add new field, section_label.
3334         (output_aranges): Add code to check whether in hot or cold section and
3335         use the appropriate label in calculating deltas.
3336         (output_ranges): Likewise.
3337         (output_line_info): Add code to check which section we're in and
3338         use appropriate hot/cold label.
3339         (add_location_or_constant_value_attribute): Likewise.
3340         (gen_subprogam_die): Modify arange attributes to use correct labels.
3341         (dwarf2out_begin_block): Change call to function_section into call to
3342         current_function_section.
3343         (dwarf2out_end_block): Likewise.
3344         (dwarf2out_source_line): Likewise.
3345         (dwarf2out_var_location): Add code to check whether in hot or cold
3346         section and use the appropriate label.
3347         * except.c (output_function_exception_table): Change call to
3348         function_section into call to current_function_section.
3349         * final.c (profile_function): Likewise.
3350         (scan_ahead_for_unlikely_executed_note): Remove function.
3351         (final_scan_insn):  Remove calls to
3352         scan_ahead_for_unlikely_executed_note, and related code for switching
3353         to cold section, except for the single time
3354         NOTE_INSN_SWITCH_TEXT_SECTIONS may be encountered;  add calls to
3355         debug_hooks->switch_text_sections; replace appropriate calls to
3356         function_section with calls to current_function_section.
3357         * ifcvt.c (find_if_case_1): Remove redundancy from condition, add
3358         test_bb to condition.
3359         (find_if_case_2): Likewise.
3360         * insn-notes.def: Change NOTE_INSN_UNLIKELY_EXECUTED_CODE to
3361         NOTE_INSN_SWITCH_TEXT_SECTIONS.  Update comment appropriately.
3362         * opts.c (decode_options): Change warning about hot/cold partitioning
3363         with exceptionss to inform (so as not to cause bootstrap failures);
3364         remove warning about partitioning with DWARF debug info.
3365         * output.h (current_function_section): Add new function decl.
3366         (insert_section_boundary_note): Likewise.
3367         (enum in_section): Move this declaration here from varasm.c.
3368         (unlikely_section_label): Likewise.
3369         (unlikely_text_section_name): Likewise.
3370         (last_text_section_name): New global variable.
3371         (last_text_section): Likewise.
3372         (hot_section_label): Likewise.
3373         (hot_section_end_label): Likewise.
3374         (cold_section_end_label): Likewise.
3375         * passes.c (rest_of_handle_final): Free unlikely_text_section_name.
3376         * print-rtl.c (print_rtx): Change NOTE_INSN_UNLIKELY_EXECUTED_CODE
3377         to NOTE_INSN_SWITCH_TEXT_SECTIONS.
3378         * reg-stack.c (emit_swap_insn): Remove UNLIKELY_EXECUTED_CODE note
3379         insn from consideration.
3380         * sdbout.c (sdb_debug_hooks): Add do_nothing for new function,
3381         switch_text_section.
3382         * varasm.c (basic-block.h): Add new include.
3383         (unlikely_section_label_printed): Remove global variable.
3384         (unlikely_section_label): Make global variable not be static any more.
3385         (unlikely_text_section_name): Likewise.
3386         (hot_section_end_label): New global variable (not static)
3387         (first_function_block_is_cold): Likewise.
3388         (hot_section_label): Likewise.
3389         (cold_section_end_label): Likewise..
3390         (last_text_section): New global variable, not static.
3391         (last_text_section_name): New global variable, not static.
3392         (initialize_cold_section_name): New function.
3393         (enum in_section): Move declaration to output.h.
3394         (text_section): Update last_text_section.
3395         (unlikely_text_section): Replace code to determine cold section name
3396         with call to initialize_cold_section_name; Add code to update
3397         last_text_section; remove code for printing out label.
3398         (named_section_real): Add code to update last_text_section and
3399         last_text_section_name as appropriate.
3400         (function_section): Change test for 'unlikely' to depend on
3401         first_function_block_is_cold (moved old test to
3402         current_function_section).
3403         (current_function_section): New function.
3404         (assemble_start_function): Move code that frees
3405         unlikely_text_section_name; initialize hot_section_end_label;
3406         print hot and cold section labels at the start of the function;
3407         set first_function_block_is_cold, if appropriate; initialize l
3408         ast_text_section; add call to insert_section_boundary_note.
3409         (assemble_end_function):  Add code to write out hot and cold section
3410         end labels.
3411         *vmsdbgout.c (vmsdbg_debug_hooks): Add do_nothing for new function,
3412         switch_text_section.
3413         * config/darwin.c (machopic_select_section): Replace incorrect
3414         function in base_funs; update reloc for cold sections if necessary.
3415         * config/darwin.h (SECTION_FUNCTION):  Add code to update
3416         last_text_section if appropriate.
3417         (text_unlikely_section): Remove.
3418         * config/sparc/sparc.c (sparc_output_deferred_case_vectors): Likewise.
3419         * config/stormy16/stormy16.c (stormy_16_output_addr_vec): Likewise.
3420         * config/xtensa/xtensa.c (override_options): Turn off hot/cold
3421         partitioning for this architecture.
3422
3423 2005-03-31  Olivier Hainque  <hainque@adacore.com>
3424
3425         * dwarf2out.c (dwarf2out_frame_finish): Honor DWARF2_FRAME_INFO
3426         defined and non-zero.
3427
3428 2005-03-31  Gabriel Dos Reis  <gdr@integrable-solutions.net>
3429
3430         PR c++/18644
3431         * doc/invoke.texi (-Wsynth): Don't document, as it now is void of
3432         semantics.
3433
3434 2005-03-31  Alan Modra  <amodra@bigpond.net.au>
3435
3436         PR target/20611
3437         * config/rs6000/rs6000.md (load_toc_v4_PIC_1b): Remove inline
3438         label operand.  Remove (use (unspec..)).  Don't emit a label on
3439         the offset word.
3440         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Don't
3441         generate inline label for load_toc_v4_PIC_1b.
3442         (rs6000_emit_load_toc_table): Likewise.
3443
3444 2005-03-31  Kazu Hirata  <kazu@cs.umass.edu>
3445
3446         * config.gcc: Obsolete i860-*-sysv4*, ip2k-*-elf,
3447         ns32k-*-netbsdelf*, and ns32k-*-netbsd*.
3448
3449 2005-03-29  Devang Patel  <dpatel@apple.com>
3450
3451         * tree-sra.c (decide_block_copy): Disable scalarization of
3452         sub-elements.
3453
3454 2005-03-30  Stuart Hastings  <stuart@apple.com>
3455             Dale Johannesen  <dalej@apple.com>
3456
3457         * Makefile.in (print-tree.o):  Depend on tree-iterator.h.
3458         * print-tree.c (print_node):  Add case STATEMENT_LIST.
3459
3460 2005-03-31  Alan Modra  <amodra@bigpond.net.au>
3461
3462         * config.gcc (cpu_is_64bit): Set for 64-bit powerpc cpus.
3463         (powerpc64-*-linux*): Use it.  Rearrange tm_file assignment.
3464         (powerpc-*-linux*): Build a biarch compiler when --enable-targets
3465         is given with "powerpc64*" or "all", or when --with-cpu chooses
3466         a 64-bit cpu.
3467
3468 2005-03-30  James E. Wilson  <wilson@specifixinc.com>
3469
3470         PR debug/20268
3471         * dwarf2out.c (add_high_low_attributes): New function, extracted from
3472         gen_lexical_block_die.
3473         (gen_lexical_block_die, gen_inlined_subroutine_die): Call it.
3474
3475 2005-03-31  Jan Hubicka  <jh@suse.cz>
3476
3477         2004-11-02  Jan Hubicka  <jh@suse.cz>
3478
3479         * cgraph.c (cgraph_varpool_node_name): New function.
3480         (dump_cgraph_varpool_node): New function.
3481         (dump_varpool): New function.
3482         * cgraphunit.c (cgraph_optimize): Dump varpool.
3483
3484         2004-10-16  Jan Hubicka  <jh@suse.cz>
3485
3486         * cgraph.c (decide_is_variable_needed): New function.
3487         (cgraph_varpool_finalize_decl): Use it.
3488         * cgraphunit.c (cgraph_optimize): Assemble_pending_decls when not doing
3489         unit-at-a-time.
3490         * final.c (output_addr_const): Do not call mark_referenced.
3491         * passes.c (rest_of_decl_compilation): ifdef out DECL_RTL_SET_P hack;
3492         always go via cgraph.
3493         * toplev.c (wrapup_global_declarations): Kill non-unit-at-a-time code.
3494         (check_global_declarations): Ifdef out code clearing DECL_RTL.
3495         * tree-optimize.c (execute_inline): Mark functions called.
3496         * i386.c (output_pic_addr_const): Do not call mark_decl_referenced.
3497
3498         2004-10-11  Jan Hubicka  <jh@suse.cz>
3499
3500         * cgraph.c (cgraph_varpool_first_unanalyzed_node): New global voriable
3501         (cgraph_varpool_last_needed_node): New static variable.
3502         (enqueue_needed_varpool_node): Break out from ...; add items to the
3503         end of queue; update first pointers.
3504         (cgraph_varpool_mark_needed_node): ... here.
3505         (cgraph_varpool_finalize_decl): Use enqueue_needed_varpool_node.
3506         (cgraph_varpool_assemble_pending_decls): Move to cgraphunit.c
3507         * cgraph.h (cgraph_varpool_node): Add analyzed field.
3508         (cgraph_varpool_first_unanalyzed_node): Declare.
3509         * cgraphunit.c: Include output.h.
3510         (cgraph_varpool_analyze_pending_decls): New function.
3511         (cgraph_varpool_assemble_pending_decls): Move from cgraph.c; bail out
3512         for errors, analyze pending decls.
3513         (cgraph_finalize_compilation_unit): Only analyze decls.
3514         (cgraph_optimize): Assemble the decls after expanding.
3515
3516 2005-03-30  Daniel Berlin  <dberlin@dberlin.org>
3517
3518         * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Make sure
3519         subvars get marked properly in tags for grouping.
3520         (add_pointed_to_var): Mark only actual pointed to
3521         variables/subvars in addresses needed.
3522         (create_overlap_variables_for): Clear call clobbered on original
3523         variable.
3524         * tree-ssa-operands.c (get_asm_expr_operands): Don't let regular
3525         addresable vars with subvars into list.
3526         * tree-ssa.c (verify_ssa_name): Verify original is not used where
3527         subvar should be.
3528
3529 2005-03-30  Richard Henderson  <rth@redhat.com>
3530
3531         * cgraph.h (struct cgraph_node): Add alias.
3532         * varasm.c (assemble_alias): Set it.
3533         * cgraphunit.c (cgraph_assemble_pending_functions): Check it and
3534         avoid calling cgraph_expand_function.
3535
3536 2005-03-30  Tom Tromey  <tromey@redhat.com>
3537
3538         * tree.def (FILE_TYPE): Removed.
3539         * typeclass.h (enum type_class): Removed file_type_class.
3540         * dwarf2out.c (is_base_type): Updated.
3541         (gen_type_die): Likewise.
3542         * dbxout.c (dbxout_type): Updated.
3543         * builtins.c (type_to_class): Updated.
3544         * tree.c (type_contains_placeholder_1): Updated.
3545         * config/sparc/sparc.c (sparc_type_code): Updated.
3546         * config/ia64/ia64.c (hfa_element_mode): Updated.
3547         * expr.c (count_type_elements): Updated.
3548         * stor-layout.c (layout_type): Updated.
3549         * tree-inline.c (remap_type): Updated.
3550         * tree-pretty-print.c (dump_generic_node): Updated.
3551
3552 2005-03-30 Fariborz Jahanian <fjahanian@apple.com>
3553
3554         * builtins.c (expand_builtin_powi): Fix mode of
3555         2nd argument to match int.
3556         * libgcc2.h (__powisf2, __powidf2, __powixf2, __powitf2): Change
3557         2nd argument type to int.
3558         * libgcc2.c: Change prototype of __powi* functions to use
3559         int.
3560
3561 2005-03-30  Dale Johannesen  <dalej@apple.com>
3562
3563         PR middle-end/19225
3564         * calls.c (expand_call):  Flush pending deferrals before
3565         throwing call.
3566
3567 2005-03-30  Joseph S. Myers  <joseph@codesourcery.com>
3568
3569         PR c/772
3570         PR c/17913
3571         * c-tree.h (C_DECL_UNJUMPABLE_STMT_EXPR,
3572         C_DECL_UNDEFINABLE_STMT_EXPR, struct c_label_list, struct
3573         c_label_context, label_context_stack): New.
3574         * c-decl.c (define_label): Check for jumps into statement
3575         expressions.  Add label to list of defined labels.
3576         (start_function): Push context on label_context_stack.
3577         (finish_function): Pop context from label_context_stack.
3578         * c-typeck.c (label_context_stack): New.
3579         (c_finish_goto_label): Check for jumps into statement
3580         expressions.  Add label to list of jumped to labels.
3581         (struct c_switch): Add blocked_stmt_expr.
3582         (c_start_case): Initialize it.
3583         (do_case): Check it.
3584         (c_finish_case): Verify !blocked_stmt_expr.
3585         (c_begin_stmt_expr):  Push context on label_context_stack.
3586         Increment blocked_stmt_expr.  Mark labels jumped to from outside
3587         as undefinable.
3588         (c_finish_stmt_expr): December blocked_stmt_expr.  Mark labels
3589         defined in the statement expression and no longer jumpable to.
3590         Mark labels jumped to from just outside the statement expression
3591         as again definable.  Pop context from label_context_stack.
3592         * doc/extend.texi (Statement Exprs): Update.
3593
3594 2005-03-30  Joseph S. Myers  <joseph@codesourcery.com>
3595
3596         PR c/20368
3597         * c-decl.c (start_function): Check for old_decl being
3598         error_mark_node.
3599
3600 2005-03-30  Ian Lance Taylor  <ian@airs.com>
3601
3602         * final.c (final): Remove prescan parameter.  Change all callers.
3603         (final_scan_insn): Remove prescan parameter.  Change all callers.
3604
3605 2005-03-30  Kazu Hirata  <kazu@cs.umass.edu>
3606
3607         * tree-vectorizer.c: Fix comment typos.
3608
3609 2005-03-30  Sebastian Pop  <pop@cri.ensmp.fr>
3610
3611         * tree-scalar-evolution.c (instantiate_parameters_1): Return
3612         as soon as a chrec_dont_know is detected.
3613
3614 2005-03-31  Danny Smith  <dannysmith@users.sourceforge.net>
3615
3616         Merge from csl-arm-branch.
3617         2004-02-12  Mark Mitchell  <mark@codesourcery.com>
3618
3619         * tlink.c (recompile_files): Do not assume that "rename" can
3620         overwrite an existing file.
3621
3622 2005-03-31  Paolo Bonzini  <bonzini@gnu.org>
3623
3624         * gcc/configure.ac (TL_AC_GNU_MAKE_GCC_LIB_PATH): Remove.
3625         * gcc/configure: Regenerate.
3626
3627 2005-03-30  Alan Modra  <amodra@bigpond.net.au>
3628
3629         * doc/install.texi: Update binutils requirement for powerpc*-linux.
3630
3631         * config/rs6000/rs6000.c (rs6000_arg_partial_bytes): Update comments.
3632
3633         * calls.c (struct arg_data): Update "partial" comment.
3634         (load_register_parameters): Update "nregs" comment.
3635
3636 2005-03-30  Richard Sandiford  <rsandifo@redhat.com>
3637
3638         * config/iq2000/iq2000.h (target_flags, MASK_GPOPT, MASK_EMBEDDED_DATA)
3639         (MASK_UNINIT_CONST_IN_RODATA, TARGET_EMBEDDED_DATA, TARGET_SWITCHES)
3640         (TARGET_DEFAULT, TARGET_CPU_DEFAULT, SUBTARGET_TARGET_OPTIONS)
3641         (TARGET_OPTIONS, iq2000_cpu_string, iq2000_arch_string): Delete.
3642         (TARGET_DEBUG_MODE, TARGET_DEBUG_A_MODE, TARGET_DEBUG_B_MODE)
3643         (TARGET_DEBUG_C_MODE, TARGET_DEBUG_D_MODE): Define to 0 rather
3644         than target_flags & 0.
3645         * config/iq2000/iq2000.c (iq2000_cpu_string, iq2000_arch_string)
3646         (iq2000_arch, iq2000_parse_cpu): Delete.
3647         (TARGET_HANDLE_OPTION): Override default.
3648         (iq2000_handle_option): New function.
3649         (override_options): Remove -march= and -mcpu= handling.
3650         * config/iq2000/iq2000.opt: New file.
3651
3652 2005-03-30  Richard Sandiford  <rsandifo@redhat.com>
3653
3654         * config/c4x/c4x-protos.h (c4x_rpts_cycles, c4x_cpu_version): Delete.
3655         * config/c4x/c4x.h (SMALL_MEMORY_FLAG, MPYI_FLAG, FAST_FIX_FLAG)
3656         (RPTS_FLAG, C3X_FLAG, TI_FLAG, PARANOID_FLAG, MEMPARM_FLAG, DEVEL_FLAG)
3657         (RPTB_FLAG, BK_FLAG, DB_FLAG, DEBUG_FLAG, HOIST_FLAG)
3658         (LOOP_UNSIGNED_FLAG, FORCE_FLAG, PRESERVE_FLOAT_FLAG)
3659         (PARALLEL_INSN_FLAG, PARALLEL_MPY_FLAG, ALIASES_FLAG, C30_FLAG)
3660         (C31_FLAG, C32_FLAG, C33_FLAG, C40_FLAG, C44_FLAG, TARGET_SWITCHES)
3661         (TARGET_DEFAULT, TARGET_SMALL, TARGET_MPYI, TARGET_FAST_FIX)
3662         (TARGET_RPTS, TARGET_TI, TARGET_PARANOID, TARGET_MEMPARM, TARGET_DEVEL)
3663         (TARGET_RPTB, TARGET_BK, TARGET_DB, TARGET_DEBUG, TARGET_HOIST)
3664         (TARGET_LOOP_UNSIGNED, TARGET_FORCE, TARGET_PRESERVE_FLOAT)
3665         (TARGET_PARALLEL, TARGET_PARALLEL_MPY, TARGET_ALIASES)
3666         (c4x_rpts_cycles_string, c4x_cpu_version_string)
3667         (TARGET_OPTIONS): Delete.
3668         (c4x_rpts_cycles, c4x_cpu_version): Declare.
3669         (TARGET_C3X, TARGET_C30, TARGET_C31, TARGET_C32, TARGET_C33)
3670         (TARGET_C40, TARGET_C44): Redefine in terms of c4x_cpu_version.
3671         * config/c4x/c4x.c (c4x_rpts_cycles_string): Delete.
3672         (c4x_cpu_version_string): Delete.
3673         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
3674         (c4x_handle_option): New function.  Map -m3x and -m4x options to the
3675         equivalent -mcpu= option.
3676         (c4x_override_options): Remove -mrpts= and -mcpu= handling from here.
3677         Deal with the extra conditions in the old TARGET_MPYI, TARGET_RPTB,
3678         TARGET_DB, TARGET_PARALLEL and TARGET_PARALLEL_MPY macros by setting
3679         or clearing the appropriate MASK_* bit.
3680         (c4x_file_start): Use c4x_cpu_version.
3681         * config/c4x/c4x.opt: New file.
3682
3683 2005-03-30  Richard Sandiford  <rsandifo@redhat.com>
3684
3685         * doc/options.texi: Document the new MaskExists flag.
3686         * opth-gen.awk: Don't output MASK and TARGET macros for Mask(...)
3687         if the option has the MaskExists flag.
3688
3689 2005-03-30  Richard Sandiford  <rsandifo@redhat.com>
3690
3691         * opt-functions.awk (flag_set_p, test_flag): New functions.
3692         (switch_flags): Use them.
3693         * opth-gen.awk: Use flag_set_p to check for flags.
3694         * optc-gen.awk: Likewise.  Use opt_args to check for Init(...) flags.
3695
3696 2005-03-30  Ian Lance Taylor  <ian@airs.com>
3697
3698         * config.host (i[34567]86-*-mingw32*): Don't set
3699         host_can_use_collect2 to no.
3700
3701 2005-03-30  Alan Modra  <amodra@bigpond.net.au>
3702
3703         PR target/20203
3704         * builtins.c (get_memory_rtx): Expand address exp using EXPAND_NORMAL.
3705         Remove convert_memory_address call duplicating that in memory_address.
3706
3707 2005-03-29  Richard Henderson  <rth@redhat.com>
3708
3709         PR c/20519
3710         * c-decl.c (c_finish_incomplete_decl): Update complete_array_type call.
3711         (build_compound_literal): Likewise.  Propagate decl type into the
3712         initializer.
3713         (finish_decl): Likewise.  Use new return value from complete_array_type
3714         for zero sized arrays.
3715         (complete_array_type): Move ...
3716         * c-common.c (complete_array_type): ... here.  Change first argument
3717         to pointer-to-type-node.  Consistently use sizetype for the index
3718         except for zero sized arrays.  Detect zero sized arrays for pedantic
3719         mode diagnostics.  Create a new type node instead of modifying the
3720         old node in place.
3721         * c-tree.h (complete_array_type): Move decl ...
3722         * c-common.h (complete_array_type): ... here.
3723
3724 2005-03-29  Richard Henderson  <rth@redhat.com>
3725
3726         PR tree-opt/19108
3727         * tree-sra.c (generate_element_init_1): Handle RANGE_EXPR.
3728
3729 2005-03-29  Kazu Hirata  <kazu@cs.umass.edu>
3730
3731         * builtin-types.def, c-convert.c, c-format.c, ddg.c, debug.c,
3732         debug.h, et-forest.c, et-forest.h, gcov.c, rtl-profile.c,
3733         rtlhooks-def.h, rtlhooks.c, sdbout.c, tree-inline.h,
3734         tree-profile.c, tsystem.h, value-prof.h: Update copyright.
3735
3736 2005-03-29  Eric Christopher  <echristo@redhat.com>
3737
3738         * config/mips/mips.c (mips_gimplify_va_arg_expr): Update for
3739         truthvalue conversion removal.
3740
3741 2005-03-29  Ian Lance Taylor  <ian@airs.com>
3742
3743         PR bootstrap/14316
3744         * collect2.c: Never include <vfork.h>.
3745         (VFORK_STRING, vfork): Don't define.
3746         (pid): Remove global variable.
3747         (handler): Call raise instead of kill (getpid(), ...).
3748         (collect_wait): Add pex parameter.  Change all callers.  Use
3749         pex_get_status rather than pwait.
3750         (do_wait): Add pex parameter.  Change all callers.
3751         (collect_execute): Return struct pex_obj * rather than void.  Use
3752         pex routines rather than pexecute.
3753         (fork_execute): Get pex_obj from collect_execute, and pass it to
3754         do_wait.
3755         (scan_prog_file): Use pex routines rather than pipe/vfork/exec.
3756         Only declare quit_handler if SIGQUIT is defined.
3757         (scan_libraries): Likewise.
3758         * collect2.h (collect_execute): Update declaration.
3759         (collect_wait): Update declaration.
3760         * tlink.c (tlink_execute): Get pex_obj from collect_execute, and
3761         pass it to collect_wait.
3762
3763 2005-03-29  Joseph S. Myers  <joseph@codesourcery.com>
3764
3765         PR c/20672
3766         * c-parser.c (c_parser_compound_statement_nostart): Give error
3767         message for EOF instead of just setting parser->error.
3768
3769 2005-03-29  Dorit Naishlos  <dorit@il.ibm.com>
3770
3771         * tree-vectorizer.c (slpeel_update_phi_nodes_for_guard): Removed.
3772         (slpeel_update_phi_nodes_for_guard1): New function.
3773         (slpeel_update_phi_nodes_for_guard2): New function.
3774         (slpeel_tree_peel_loop_to_edge): Call above new functions instead
3775         of slpeel_update_phi_nodes_for_guard.
3776         (vectorize_loops): Remove call to loop_closed_rewrite.
3777         * tree-vect-transform.c (vect_update_ivs_after_vectorizer): Remove
3778         assertion.
3779
3780 2005-03-29  Richard Sandiford  <rsandifo@redhat.com>
3781
3782         * config/m32r/little.h (TARGET_ENDIAN_DEFAULT): Delete.
3783         (TARGET_LITTLE_ENDIAN): New macro.
3784         * config/m32r/m32r.h (SUBTARGET_SWITCHES, target_flags)
3785         (TARGET_RELAX_MASK, TARGET_DEBUG_MASK, TARGET_DEBUG)
3786         (TARGET_ALIGN_LOOPS_MASK, TARGET_ALIGN_LOOPS)
3787         (TARGET_LOW_ISSUE_RATE_MASK, TARGET_LOW_ISSUE_RATE)
3788         (TARGET_BRANCH_COST_MASK, TARGET_BRANCH_COST, TARGET_M32RX_MASK)
3789         (TARGET_M32RX, TARGET_M32R2_MASK, TARGET_M32R2, LITTLE_ENDIAN_BIT)
3790         (TARGET_ENDIAN_DEFAULT, SUBTARGET_SWITCHES, TARGET_DEFAULT)
3791         (TARGET_SWITCHES, m32r_model_string, m32r_sdata_string)
3792         (m32r_cache_flush_trap_string, SUBTARGET_OPTIONS)
3793         (TARGET_OPTIONS): Delete.
3794         (M32R_MODEL_DEFAULT, M32R_SDATA_DEFAULT): Turn into enums.
3795         (CACHE_FLUSH_TRAP): Turn into an integer.
3796         (TARGET_LITTLE_ENDIAN): Define to 0 by default.
3797         (INITIALIZE_TRAMPOLINE): Check m32r_cache_trap >= 0 to see if
3798         -mflush-trap is in use.
3799         * config/m32r/m32r.c (m32r_model_string, m32r_sdata_string)
3800         (m32r_cache_flush_trap_string): Delete.
3801         (m32r_model) Initialize to M32R_MODEL_DEFAULT.
3802         (m32r_sdata): Likewise M32R_SDATA_DEFAULT.
3803         (m32r_cache_trap): Likewise CACHE_FLUSH_TRAP.
3804         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
3805         (m32r_handle_option): New function.  Move -mflush-trap=, -mflush-func=,
3806         -mmodel= and -msdata= handling from...
3807         (m32r_init): ...here.
3808         * config/m32r/m32r.opt: New file.
3809
3810 2005-03-29  Keith Besaw  <kbesaw@us.ibm.com>
3811
3812         * tree-ssanames.c (duplicate_ssa_name_ptr_info): New function.
3813         (duplicate_ssa_name): Call duplicate_ssa_name_ptr_info.
3814         * tree-vect-analyze.c (vect_object_analysis): additional parm
3815         pass back a "struct ptr_info_def *" with the points-to info.
3816         (vect_analyze_data_refs): set the STMT_VINFO_PTR_INFO for the
3817         statement using info returned from vect_object_analysis.
3818         * tree-vect-transform.c (update_vuses_to_preheader): New function.
3819         (vect_create_data_ref_ptr): Remove updates to vars_to_rename
3820         for virtual uses and defs when creating a replacement vector
3821         reference.  Call duplicate_ssa_name_ptr_info to define points-to
3822         info for vector pointer replacement using STMT_VINFO_PTR_INFO.
3823         (vectorizable_store): copy_virtual_operands and update
3824         definition statements.
3825         (vectorizable_load): copy_virtual_operands.  Remove call to
3826         mark_call_clobbered_vars_to_rename for call to "const" builtin.
3827         * tree-vectorizer.c (vectorize_loops): Remove calls to
3828         rewrite_into_ssa and bitmap_clear (vars_to_rename).
3829         (new_stmt_vec_info): initialize STMT_VINFO_PTR_INFO for stmt.
3830         * tree-vectorizer.h (_stmt_vec_info): add field ptr_info and
3831         define macro STMT_VINFO_PTR_INFO for use in accessing.
3832         * tree.h add export of duplicate_ssa_name_ptr_info.
3833         * rs6000.c (altivec_init_builtins): Declare builtin function
3834         __builtin_altivec_mask_for_load to be "const".
3835
3836 2005-03-29  Jakub Jelinek  <jakub@redhat.com>
3837
3838         PR middle-end/20622
3839         * cgraph.h (struct cgraph_varpool_node): Add alias field.
3840         * cgraph.c (cgraph_varpool_assemble_pending_decls): Don't call
3841         assemble_variable on aliases.
3842         * varasm.c (assemble_alias): Set node->alias.
3843         * toplev.c (wrapup_global_declarations): Don't call
3844         rest_of_decl_compilation on aliases again.
3845
3846 2005-03-29  Paul Brook  <paul@codesourcery.com>
3847
3848         * config/arm/arm-protos.h (arm_dbx_register_number): Add prototype.
3849         * config/arm/arm.c (arm_dbx_register_number): New function.
3850         * config/arm/arm.h (IS_FPA_REGNUM, DBX_REGISTER_NUMBER): Define.
3851
3852 2005-03-29  Eric Botcazou  <ebotcazou@libertysurf.fr>
3853
3854         PR middle-end/20263
3855         * varasm.c (make_decl_rtl) [ASM_DECLARE_REGISTER_GLOBAL]: Use
3856         the DECL_NAME, not the DECL_ASSEMBLER_NAME.
3857
3858 2005-03-29  Dale Johannesen <dalej@apple.com>
3859
3860         * Makefile.in (value-prof.o): New dependencies on $(DIAGNOSTIC_H)
3861         $(TREE_H) and $(COVERAGE_H).
3862         * coverage.c (compute_checksum): Use DECL_NAME not DECL_ASSEMBLER_NAME.
3863         * opts.c (common_handle_option): Enable tree-based value transforms.
3864         * toplev.c (process_options): Ditto.
3865         * value-prof.h (struct histogram_value_t): Redefine. "Adjust" below
3866         refers to references to this type.
3867         * tree-flow.h: (struct stmt_ann_d): Add histograms field.
3868         * rtl-profile.c (rtl_gen_interval_profiler): Adjust. Remove checks
3869         for may_be_more, may_be_less.
3870         (rtl_gen_pow2_profiler): Adjust.
3871         (rtl_gen_one_value_profiler_no_edge_manip): Adjust.
3872         (rtl_gen_one_value_profiler): Adjust.
3873         (rtl_gen_const_delta_profiler): Adjust.
3874         * tree-profile.c (tree_gen_interval_profiler): Implement.
3875         (tree_gen_pow2_profiler): Ditto.
3876         (tree_gen_one_value_profiler): Ditto.
3877         (tree_profiling): New.
3878         (pass_tree_profile): Reference it.
3879         * value-prof.c: Include tree-flow.h, tree-flow-inline.h, diagnostic.h,
3880         tree.h, gcov-io.h.
3881         (insn_divmod_values_to_profile): Rename to
3882         rtl_divmod_values_to_profile. Adjust.
3883         (insn_values_to_profile): Rename to rtl_values_to_profile. Adjust.
3884         (insn_prefetch_values_to_profile): Adjust.
3885         (rtl_value_profile_transformations): Adjust.
3886         (gen_divmod_fixed_value): Rename to rtl_divmod_fixed_value.
3887         (gen_mod_pow2): Rename to rtl_mod_pow2.
3888         (gen_mod_subtract): Rename to rtl_mod_subtract.
3889         (divmod_fixed_value_transform): Rename to
3890         rtl_divmod_fixed_value_transform.
3891         (mod_pow2_value_transform): Rename to rtl_mod_pow2_value_transform.
3892         (mod_subtract_transform): Rename to rtl_mod_subtract_transform.
3893         (rtl_find_values_to_profile): Adjust.
3894         (tree_value_profile_transformations): Implement.
3895         (tree_divmod_values_to_profile): New.
3896         (tree_values_to_profile): New.
3897         (tree_divmod_fixed_value): New.
3898         (tree_mod_pow2): New.
3899         (tree_mod_subtract): New.
3900         (tree_divmod_fixed_value_transform): New.
3901         (tree_mod_pow2_value_transform): New.
3902         (tree_mod_subtract_transform): New.
3903         (tree_find_values_to_profile): Implement.
3904         * profile.c (instrument_values):  Free histograms.
3905         (compute_value_histograms): Adjust. Implement tree version.
3906
3907 2005-03-29  Uros Bizjak  <uros@kss-loka.si>
3908
3909         * reg-stack.c (subst_stack_regs_pat): Handle <UNSPEC_FIST> case.
3910         * config/i386/i386.c (output_fix_trunc): Add new round_mode
3911         variable.  Output "fldcw" depending on round_mode.
3912         * config/i386/i386.md (UNSPEC_FIST): New.
3913         (fistdi2, fistdi2_with_temp, fist<mode>2, fist<mode>2_with_temp):
3914         New isns patterns to implement lrint and llrint built-ins as x87
3915         intrinsic function.
3916         (fistdi2, fist<mode>2 splitters): New splitters.
3917         (lrint<mode>2): New expanders.
3918
3919 2005-03-28  Ian Lance Taylor  <ian@airs.com>
3920
3921         * config/arc/arc.c (arc_output_function_epilogue): Pass prescan as
3922         0 when calling final_scan_insn.
3923
3924 2005-03-28  Jan Hubicka  <jh@suse.cz>
3925
3926         PR middle-end/20635
3927         * varasm.c (mark_decl_referenced): Do not mark extern inline functions
3928         as needed.
3929
3930         * tree-inline.c (estimate_num_insns_1): Use declaration to discover argument
3931         types where possible.
3932
3933 2005-03-26  Per Bothner  <per@bothner.com>
3934
3935         Make -f[no-]show-column also control non-cpp diagnostics.
3936         * c.opt (fshow-column): Move option from here ...
3937         * common.opt (fshow-column): ... to here.
3938         * diagnostic.c (diagnostic_build_prefix): Only print column number
3939         if flag_show_column.
3940
3941 2005-03-27  Steven Bosscher  <stevenb@suse.de>
3942
3943         * vax-protos.h (vax_output_int_move, vax_output_int_add,
3944         vax_output_conditional_branch): New prototypes.
3945         * vax.c (vax_output_int_move, vax_output_int_add): New functions,
3946         extracted from vax.md mov and add patterns.
3947         (vax_output_conditional_branch): New function to output conditional
3948         branch instructions.
3949         * vax.md: Use mode macros for arithmetic and mov patterns.
3950         Use code macros for the jump patterns.
3951
3952 2005-03-26  Andrew Pinski  <pinskia@physics.uc.edu>
3953
3954         * Makefile.in (libbackend.o): Depend on version files;
3955         add custom generation command.
3956
3957 2005-03-26  Andrew Pinski  <pinskia@physics.uc.edu>
3958
3959         PR target/20636
3960         * config/rs6000/rs6000.md (extendsfdf2_fpr): Check to make
3961         sure that we have a REG before getting its REGNO.
3962
3963 2005-03-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3964
3965         * builtin-types.def (BT_FN_STRING_CONST_STRING_SIZE): New.
3966         * builtins.def (BUILT_IN_STRNDUP): New.
3967
3968 2005-03-25  Pat Haugen  <pthaugen@us.ibm.com>
3969
3970         PR tree-optimization/20470
3971         * fold-const.c (fold_cond_expr_with_comparison): Recognize/fold
3972         ABS(x-y).
3973
3974 2005-03-25  Mike Stump  <mrs@apple.com>
3975
3976         * config/darwin.h (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Don't allow 0
3977         sized objects.
3978
3979 2005-03-25  Geoffrey Keating  <geoffk@apple.com>
3980
3981         * config/rs6000/darwin-fallback.c: Don't include <ucontext.h>.
3982         Use our own structure definitions.
3983
3984         * config/rs6000/rs6000.md (UNSPEC constants): Add UNSPEC_STFIWX.
3985         (fix_truncdfsi2): Allow registers or memory as destination.
3986         When TARGET_PPC_GFXOPT, generate simplified pattern.
3987         (fix_truncdfsi2_internal): Use define_insn_and_split.
3988         (fix_truncdfsi2_internal_gfxopt): New.
3989         (fctiwz): Don't confuse register allocation by giving it no choices.
3990         (stfiwx): New.
3991         * config/rs6000/rs6000.h (EXTRA_CONSTRAINT): Add 'Z'.
3992         (EXTRA_MEMORY_CONSTRAINT): Likewise.
3993         * config/rs6000/rs6000.c (indexed_or_indirect_operand): New.
3994         * config/rs6000/rs6000-protos.h (indexed_or_indirect_operand): New.
3995
3996 2005-03-25  Kazu Hirata  <kazu@cs.umass.edu>
3997
3998         * dominance.c (free_dominance_info): Speed up by freeing et
3999         data structures without maintaining other nodes.
4000         * et-forest.c (et_free_tree_force): New.
4001         * et-forest.h: Add a prototype for et_free_tree_force.
4002
4003         * tree.c (get_set_constructor_bits,
4004         get_set_constructor_bytes): Remove.
4005         * tree.h: Remove the corresponding prototypes.
4006
4007 2005-03-25  John David Anglin  <dave.anglin@nrc-crnc.gc.ca>
4008
4009         PR target/15491
4010         * vax.c (vax_rtx_costs_1): Merge with vax_rtx_costs.
4011         (vax_rtx_costs): Return false when passed unsupported rtx's.  Handle
4012         FLOAT_EXTEND, FLOAT_TRUNCATE and TRUNCATE.  Fix costs for POST_INC,
4013         PRE_DEC, NEG and NOT.
4014
4015 2005-03-25  Kazu Hirata  <kazu@cs.umass.edu>
4016
4017         * fold-const.c: Convert uses of fold (build (...)) to
4018         fold_buildN.
4019
4020 2005-03-25  Zdenek Dvorak  <dvorakz@suse.cz>
4021
4022         PR rtl-optimization/20249
4023         * cse.c (insert_regs): Do not record equivalence of registers in
4024         different modes.
4025
4026 2005-03-24  Kazu Hirata  <kazu@cs.umass.edu>
4027
4028         * emit-rtl.c (reverse_comparison): Remove.
4029         * rtl.h: Remove the corresponding prototype.
4030
4031 2005-03-24  James E Wilson  <wilson@specifixinc.com>
4032
4033         * doc/install.texi (--enable-altivec): Delete docs.
4034
4035 2005-03-24  David Edelsohn  <edelsohn@gnu.org>
4036
4037         * config/rs6000/predicates.md (easy_fp_constant): Return 0 for
4038         SFmode and DFmode before reload when
4039         flag_unsafe_math_optimizations not enabled.
4040
4041 2005-03-24  Geoffrey Keating  <geoffk@apple.com>
4042
4043         * c.opt (fvisibility-inlines-hidden): Allow for ObjC++.
4044
4045         * config/i386/darwin.h (TARGET_SUBTARGET_DEFAULT): Add
4046         MASK_128BIT_LONG_DOUBLE, MASK_ALIGN_DOUBLE.
4047
4048 2005-03-24  Nathan Sidwell  <nathan@codesourcery.com>
4049
4050         * configure.ac (enable-checking): Add 'runtime' option.
4051         * doc/install.texi (enable-checking): Document 'runtime' checking.
4052         * tsystem.h (gcc_assert, gcc_unreachable): Define.
4053         * config.in: Regenerated.
4054         * configure: Regenerated.
4055
4056 2005-03-23  Uros Bizjak  <uros@kss-loka.si>
4057
4058         * optabs.h (enum optab_index): Remove OTI_llrint.
4059         (llrint_optab): Remove macro.
4060         * optabs.c (init_optabs): Remove llrint_optab initialization.
4061         * genopinit.c (optabs): Remove llrint_optab implementation.
4062         * builtins.c (expand_builtin_mathfn): Handle BUILT_IN_LLRINT{,F,L}
4063         using lrint_optab.
4064
4065 2005-03-24  Alexandre Oliva  <aoliva@redhat.com>
4066
4067         PR rtl-optimization/20532
4068         * simplify-rtx.c (simplify_binary_operation_1): Protect from
4069         overflow when adding coefficients for PLUS or MINUS.
4070         (simplify_binary_operation_1): Handle CONST_DOUBLE exact power of
4071         two as multiplier.
4072
4073 2005-03-23  Joseph S. Myers  <joseph@codesourcery.com>
4074
4075         * langhooks.h (truthvalue_conversion): Remove.
4076         * langhooks-def.h (LANG_HOOKS_INITIALIZER): Remove
4077         LANG_HOOKS_TRUTHVALUE_CONVERSION.
4078         * system.h (LANG_HOOKS_TRUTHVALUE_CONVERSION): Poison.
4079         * gimplify.c (gimple_boolify): Don't use truthvalue_conversion.
4080         * c-objc-common.h (LANG_HOOKS_TRUTHVALUE_CONVERSION): Remove.
4081
4082 2005-03-23  Kazu Hirata  <kazu@cs.umass.edu>
4083
4084         * params.def: Fix a typo.
4085         * config/mips/mips.c: Follow the spelling convensions.
4086         * doc/invoke.texi: Fix typos.
4087
4088 2005-03-23  Daniel Berlin  <dberlin@dberlin.org>
4089
4090         Fix PR tree-optimization/20601
4091
4092         * tree-ssa-pre.c (insert_aux): Add missing condition to
4093         constification.
4094
4095 2005-03-23  Ian Lance Taylor  <ian@airs.com>
4096
4097         * final.c (final_scan_insn): Don't remove no-op instructions.
4098         * reload1.c (reload): Remove simple no-op instructions even when
4099         not optimizing.
4100
4101 2005-03-23  Dorit Naishlos  <dorit@il.ib.com>
4102
4103         PR tree-optimization/20501
4104         * tree-vect-analyze.c (vect_enhance_data_refs_alignment): Debug print
4105         reporting that peeling for alignment is applied moved to...
4106         * (vect_analyze_data_refs_alignment): Here.
4107
4108 2005-03-23  Ian Lance Taylor  <ian@airs.com>
4109
4110         * reorg.c (dbr_schedule): Remove #if 0 code to call final.
4111
4112 2005-03-23  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
4113
4114         * config.gcc (alpha*-dec-osf[45]*): Remove target_cpu_default.
4115         Define TARGET_SUPPORT_ARCH except on Tru64 UNIX V4.0A.
4116
4117 2005-03-23  Hans-Peter Nilsson  <hp@axis.com>
4118
4119         * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Adjust wording to not
4120         imply that this is called once, independent of asms in code.
4121         Adjust to now being pased output and input lists.  Mention helper
4122         function decl_overlaps_hard_reg_set_p.
4123         * hooks.c (hook_tree_tree_tree_tree_3rd_identity): Rename from
4124         hook_tree_tree_identity and to take three trees, returning third.
4125         * hooks.h (hook_tree_tree_tree_tree_3rd_identity): Adjust the
4126         prototype.
4127         * stmt.c: include hard-reg-set.h before tree.h.
4128         (decl_overlaps_hard_reg_set_p): New function, broken out from...
4129         (decl_conflicts_with_clobbers_p): Call
4130         decl_overlaps_hard_reg_set_p.
4131         (expand_asm_operands): Pass output and input lists in call to
4132         targetm.md_asm_clobbers.
4133         * target-def.h (TARGET_MD_ASM_CLOBBERS): Define as
4134         hook_tree_tree_tree_tree_3rd_identity.
4135         * target.h (struct gcc_target.md_asm_clobbers): Take three tree
4136         parameters.
4137         * tree.h [HARD_CONST] (decl_overlaps_hard_reg_set_p): Prototype.
4138         * config/i386/i386.c (ix86_md_asm_clobbers): Adjust to three
4139         parameters, first two unused.
4140         * config/cris/cris.c (cris_md_asm_clobbers): Adjust to added
4141         parameters.  Only add MOF to clobbers if there's no 'h' mentioned
4142         in constraint letters and MOF is not mentioned as a asm-declared
4143         register in neither of the input and output lists.
4144
4145 2005-03-23  DJ Delorie  <dj@redhat.com>
4146
4147         * optabs.c (expand_binop): Make sure the first subword's result
4148         gets stored.
4149
4150 2005-03-23  Joseph S. Myers  <joseph@codesourcery.com>
4151
4152         * c-common.c (c_common_truthvalue_conversion): Adjust comment.
4153         Call c_common_truthvalue_conversion rather than
4154         lang_hooks.truthvalue_conversion.
4155         * c-convert.c (convert): Call c_objc_common_truthvalue_conversion.
4156         * c-objc-common.c (c_objc_common_truthvalue_conversion): Move to
4157         c-typeck.c.
4158         * c-objc-common.h (LANG_HOOKS_TRUTHVALUE_CONVERSION): Change to
4159         c_common_truthvalue_conversion.
4160         * c-parser.c (c_parser_paren_condition, c_parser_for_statement,
4161         c_parser_conditional_expression, c_parser_binary_expression): Call
4162         c_objc_common_truthvalue_conversion.
4163         * c-typeck.c (build_unary_op): Call
4164         c_objc_common_truthvalue_conversion.
4165         (build_conditional_expr): Do not call
4166         lang_hooks.truthvalue_conversion.
4167         (build_binary_op): Call c_common_truthvalue_conversion.
4168         (c_objc_common_truthvalue_conversion): Moved from
4169         c-objc-common.c.  Call default_function_array_conversion instead
4170         of default_conversion.
4171
4172 2005-03-23  Joseph S. Myers  <joseph@codesourcery.com>
4173
4174         * c-common.h (default_conversion): Remove.
4175         (perform_integral_promotions): Add.
4176         * c-tree.h (default_conversion): Add.
4177         * c-typeck.c (perform_integral_promotions): New, split out from
4178         default_conversion.
4179         * c-common.c (check_case_value): Use perform_integral_promotions,
4180         not default_conversion.
4181         (c_add_case_label): Don't continue processing case label after
4182         found to be pointer.
4183
4184 2005-03-23  Mark Mitchell  <mark@codesourcery.com>
4185
4186         * gcc.c (do_spec_1): Do not add a -L path for a directory in
4187         the prefix list if we have already added a multilib directory
4188         based on that path.
4189         (main): Do not add MD_EXEC_PREFIX to the list of directories to
4190         search with -L.
4191
4192 2005-03-22  Kazu Hirata  <kazu@cs.umass.edu>
4193
4194         * reload1.c (indirect_symref_ok, reload_obstack): Make them
4195         static.
4196         * reload.h: Remove the prototype for indirect_symref_ok.
4197
4198         * reload1.c (indirect_symref_ok): Make it global.
4199         * reload.h: Add a prototype for indirect_symref_ok.
4200
4201 2005-03-22  Kaz Kojima  <kkojima@gcc.gnu.org>
4202
4203         * config/sh/sh.md (ashlhi3): Rename to *ashlhi3_n and add a new
4204         ashlhi3 expander.
4205
4206 2005-03-22  Tobias Schl"uter  <tobias.schlueter@physik.uni-muenchen.de>
4207
4208         * tree.h (DECL_IGNORED_P, DECL_IN_SYSTEM_HEADER): Clarify comments.
4209
4210 2005-03-22  Daniel Berlin  <dberlin@dberlin.org>
4211
4212         * c-opts.c (c_common_parse_file): Only start/end main source file
4213         if debug hooks says the writer wants it.
4214         * dbxout.c (dbx_debug_hooks): Add start_end_main_source_file
4215         member.
4216         (xcoff_debug_hooks): Ditto.
4217         * debug.c (do_nothing_hooks): Ditto.
4218         * debug.h (gcc_debug_hooks): Ditto.
4219         * dwarf2out.c (dwarf2_debug_hooks): Ditto.
4220         * sdbout.c (sdb_debug_hooks): Ditto.
4221         * vmsdbgout.c (vmsdbg_debug_hooks): Ditto.
4222
4223 2005-03-22  Mark Mitchell  <mark@codesourcery.com>
4224
4225         * doc/extend.texi: Deprecate C++ min/max operators.
4226
4227 2005-03-22  Zdenek Dvorak  <dvorakz@suse.cz>
4228
4229         * tree-ssa-loop-ivopts.c (determine_iv_cost): Do not try to preserve
4230         artificial original candidates.
4231
4232 2005-03-22  Richard Guenther <rguenth@tat.physik.uni-tuebingen.de>
4233             Jan Hubicka  <jh@suse.cz>
4234             Steven Bosscher <stevenb@suse.de>
4235
4236         * cgraphunit.c (cgraph_estimate_size_after_inlining): Compute
4237         call cost based on argument sizes.
4238         (cgraph_mark_inline_edge): Avoid inline unit from shrinking by
4239         inlining.
4240         * params.def: (max-inline-inssn-single): Set to 450.
4241         (max-inline-insns-auto): Set to 90.
4242         (max-inline-insns-recursive): Set to 450
4243         (max-inline-insns-recursive-auto): Set to 450.
4244         (large-function-insns): Set to 2700.
4245         (inline-call-cost): New parameter.
4246         * tree-inline.c (estimate_move_cost): New function.
4247         (estimate_num_insns_1): Compute move sizes costs by estimate_move_cost
4248         for non-gimple-regs, set cost to 0 for gimple-regs.  Compute call size
4249         based on arguments.
4250         * tree-inline.h (estimate_move_cost): Declare.
4251         * invoke.texi: (max-inline-inssn-single): Change default to 450.
4252         (max-inline-insns-auto): Change default to 90.
4253         (max-inline-insns-recursive): Change default to 450
4254         (max-inline-insns-recursive-auto): Change default to 450.
4255         (large-function-insns): Change default to 2700.
4256         (inline-call-cost): Document new parameter.
4257
4258 2005-03-22  Richard Sandiford  <rsandifo@redhat.com>
4259
4260         * config/i860/i860.h (target_flags, TARGET_XP, TARGET_SWITCHES)
4261         (TARGET_DEFAULT): Delete.
4262         * config/i860/i860.opt: New file.
4263
4264 2005-03-22  Richard Sandiford  <rsandifo@redhat.com>
4265
4266         * config/frv/frv-protos.h (frv_branch_cost_string, frv_branch_cost_int)
4267         (frv_cpu_string, frv_condexec_insns_str, frv_condexec_insns)
4268         (frv_condexec_temps_str, frv_condexec_temps, frv_sched_lookahead_str)
4269         (frv_sched_lookahead): Delete.
4270         * config/frv/frv.h (MASK_DEFAULT_ALLOC_CC): Move to frv.c.
4271         (target_flags, MASK_GPR_32, MASK_FPR_32, MASK_SOFT_FLOAT)
4272         (MASK_ALLOC_CC, MASK_DWORD, MASK_DOUBLE, MASK_MEDIA, MASK_MULADD)
4273         (MASK_LIBPIC, MASK_ACC_4,  MASK_PACK, MASK_LONG_CALLS)
4274         (MASK_ALIGN_LABELS, MASK_LINKED_FP, MASK_BIG_TLS, MASK_DEBUG_ARG)
4275         (MASK_DEBUG_ADDR, MASK_DEBUG_STACK, MASK_DEBUG, MASK_DEBUG_LOC)
4276         (MASK_DEBUG_COND_EXEC, MASK_NO_COND_MOVE, MASK_NO_SCC)
4277         (MASK_NO_COND_EXEC, MASK_NO_VLIW_BRANCH, MASK_NO_MULTI_CE)
4278         (MASK_FDPIC, MASK_INLINE_PLT, MASK_GPREL_RO, MASK_DEFAULT)
4279         (TARGET_GPR_32, TARGET_FPR_32, TARGET_SOFT_FLOAT, TARGET_ALLOC_CC)
4280         (TARGET_DWORD, TARGET_DOUBLE, TARGET_MEDIA, TARGET_MULADD)
4281         (TARGET_LIBPIC, TARGET_ACC_4, TARGET_DEBUG_ARG, TARGET_DEBUG_ADDR)
4282         (TARGET_DEBUG_STACK, TARGET_DEBUG, TARGET_DEBUG_LOC)
4283         (TARGET_DEBUG_COND_EXEC, TARGET_NO_COND_MOVE, TARGET_NO_SCC)
4284         (TARGET_NO_COND_EXEC, TARGET_NO_VLIW_BRANCH, TARGET_NO_MULTI_CE)
4285         (TARGET_NO_NESTED_CE, TARGET_FDPIC, TARGET_INLINE_PLT, TARGET_BIG_TLS)
4286         (TARGET_GPREL_RO, TARGET_PACK, TARGET_LONG_CALLS, TARGET_ALIGN_LABELS)
4287         (TARGET_LINKED_FP, TARGET_GPR_64, TARGET_FPR_64, TARGET_HARD_FLOAT)
4288         (TARGET_FIXED_CC, TARGET_COND_MOVE, TARGET_SCC, TARGET_COND_EXEC)
4289         (TARGET_VLIW_BRANCH, TARGET_MULTI_CE, TARGET_NESTED_CE, TARGET_ACC_8)
4290         (TARGET_SWITCHES, TARGET_OPTIONS, DEFAULT_CONDEXEC_TEMPS)
4291         (DEFAULT_BRANCH_COST, DEFAULT_CONDEXEC_INSNS): Delete.
4292         * config/frv/frv.c (frv_branch_cost_string, frv_branch_cost_int)
4293         (frv_cpu_string, frv_condexec_insns_str, frv_condexec_insns)
4294         (frv_condexec_temps_str, frv_condexec_temps, frv_sched_lookahead_str)
4295         (frv_sched_lookahead): Delete.
4296         (MASK_DEFAULT_ALLOC_CC): Moved from frv.h.
4297         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
4298         (frv_handle_option): New function.  Move -mcpu= handling from...
4299         (frv_override_options): ...here.  Remove handling of other
4300         TARGET_OPTIONS.
4301         (frv_ifcvt_modify_tests): Check !TARGET_COND_EXEC instead of
4302         TARGET_NO_COND_EXEC and !TARGET_NESTED_CE to TARGET_NO_NESTED_CE.
4303         (frv_ifcvt_modify_multiple_tests): Likewise !TARGET_MULTI_CE
4304         and TARGET_NO_MULTI_CE.
4305         (frv_for_each_packet): Likewise TARGET_NO_VLIW_BRANCH and
4306         !TARGET_VLIW_BRANCH.
4307         * config/frv/frv.opt: New file.
4308
4309 2005-03-22  Kazu Hirata  <kazu@cs.umass.edu>
4310
4311         * fold-const.c (fold_ternary): Take decomposed arguments of
4312         CALL_EXPR.
4313         (fold): Update a call to fold_ternary.
4314
4315         * fold-const.c (fold_build1, fold_build2, fold_build3): New.
4316         * tree.h: Add corresponding prototypes.
4317
4318 2005-03-22  Jakub Jelinek  <jakub@redhat.com>
4319
4320         PR target/20561
4321         * cfglayout.c (reemit_insn_block_notes): Don't put block notes in
4322         between jump table and its label.
4323         * final.c (shorten_branches): Handle notes in between ADDR_VEC
4324         resp. ADDR_DIFF_VEC and the label preceeding it.
4325         (final_scan_insn): Likewise.  Ensure ADDR_VEC resp. ADDR_DIFF_VEC
4326         is emitted in the right section.
4327
4328 2005-03-22  Kazu Hirata  <kazu@cs.umass.edu>
4329
4330         * fold-const.c (fold_unary, fold_binary): Update comments
4331         about arguments.
4332
4333 2005-03-22  Hans-Peter Nilsson  <hp@axis.com>
4334
4335         PR rtl-optimization/20527
4336         * combine.c (can_combine_p) [AUTO_INC_DEC]: When INSN has an
4337         REG_INC note, test that the register also isn't mentioned in PRED
4338         or SUCC.
4339
4340 2005-03-22  Ben Elliston  <bje@au.ibm.com>
4341
4342         * dwarf2out.c (dwarf_type_encoding_name): Remove unused prototype
4343         and definition.
4344
4345 2005-03-21  Mike Stump  <mrs@apple.com>
4346
4347         * varasm.c (default_assemble_visibility): Remove extra ().
4348
4349 2005-03-21  Roger Sayle  <roger@eyesopen.com>
4350
4351         PR middle-end/20557
4352         * bb-reorder.c (duplicate_computed_gotos): Use can_duplicate_block_p
4353         to determine whether a block can be duplicated, rather than test
4354         whether the block contains noncopyable insns ourselves.
4355
4356 2005-03-21  Kazu Hirata  <kazu@cs.umass.edu>
4357
4358         * config/i860/i860.h (PREDICATE_CODES): Remove nonexistent
4359         predicates.
4360
4361 2005-03-21  Richard Sandiford  <rsandifo@redhat.com>
4362
4363         * config/ip2k/ip2k.h (target_flags, TARGET_SWITCHES): Delete.
4364
4365 2005-03-21  Richard Sandiford  <rsandifo@redhat.com>
4366
4367         * config/fr30/fr30.h (TARGET_SMALL_MODEL_MASK, TARGET_SMALL_MODEL)
4368         (TARGET_DEFAULT, target_flags, TARGET_SWITCHES): Delete.
4369         * config/fr30/fr30.opt: New file.
4370
4371 2005-03-18  Daniel Berlin  <dberlin@dberlin.org>
4372
4373         Fix PR tree-optimization/20542
4374
4375         * tree-flow-inline.h (overlap_subvar): Move to here.
4376         * tree-ssa-operands.c: From here.
4377         * tree-flow.h (overlap_subvar): Declare.
4378         * tree-ssa-alias.c (add_pointed_to_var): Use overlap_subvar here.
4379         * tree-ssa-loop-im.c (is_call_clobbered_ref): Return proper answer
4380         for variables with subvars.
4381
4382 2005-03-21 Mostafa Hagog <mustafa@il.ibm.com>
4383
4384         PR middle-end/20177
4385         * ddg.c (create_ddg_dependence): Ignore reg-anti dependency.
4386         * modulo-sched.c (const_iteration_count): Return on NULL
4387         pre-header.
4388         (print_node_sched_params): Return on NULL dump_file.
4389         (generate_reg_moves): Handle reg-anti dependencies and disregard
4390         closing branch when generating register moves.
4391         (sms_schedule): Mark the SMSed block dirty.
4392         * passes.c (rest_of_handle_sms): Call update_life_info for all
4393         basic-blocks.
4394         * testsuite/gcc.dg/20050321-1.c: New test.
4395
4396 2005-03-21  Bob Wilson  <bob.wilson@acm.org>
4397
4398         * config/xtensa/lib1funcs.asm (__mulsi3): Use symbolic name for ACCLO.
4399         * config/xtensa/xtensa.md (movsi_internal, movhi_internal,
4400         movqi_internal): Likewise.
4401
4402 2005-03-21  Bob Wilson  <bob.wilson@acm.org>
4403
4404         * config/xtensa/xtensa-protos.h: (xtensa_simm7, xtensa_uimm8,
4405         xtensa_uimm8x2, xtensa_uimm8x4, xtensa_ai4const, xtensa_lsi4x4,
4406         xtensa_b4const): Delete prototypes.
4407         (xtensa_simm8, xtensa_simm8x256, xtensa_simm12b, xtensa_b4constu,
4408         xtensa_mask_immediate, xtensa_mem_offset): Update prototypes.
4409         (xtensa_b4const_or_zero, xtensa_const_ok_for_letter_p,
4410         xtensa_extra_constraint): New prototypes.
4411         (add_operand, arith_operand, nonimmed_operand, mem_operand,
4412         mask_operand, extui_fldsz_operand, sext_operand, sext_fldsz_operand,
4413         lsbitnum_operand, branch_operand, ubranch_operand, call_insn_operand,
4414         move_operand, const_float_1_operand, fpmem_offset_operand,
4415         branch_operator, ubranch_operator, boolean_operator): Delete prototypes.
4416         * config/xtensa/xtensa.c (b4const_or_zero): Rename to ...
4417         (xtensa_b4const_or_zero): ...this.  Change return type to bool and
4418         argument type to HOST_WIDE_INT.
4419         (xtensa_simm8, xtensa_simm8x256, xtensa_simm12b,
4420         xtensa_mask_immediate): Likewise.
4421         (xtensa_uimm8, xtensa_uimm8x2, xtensa_uimm8x4, xtensa_b4const):
4422         Likewise.  Also make these functions static.
4423         (xtensa_simm7, xtensa_ai4const, xtensa_lsi4x4): Delete.
4424         (xtensa_const_ok_for_letter_p): New.
4425         (add_operand, arith_operand, nonimmed_operand, mem_operand,
4426         mask_operand, extui_fldsz_operand, sext_operand, sext_fldsz_operand,
4427         lsbitnum_operand, branch_operand, ubranch_operand, call_insn_operand,
4428         move_operand, const_float_1_operand, fpmem_offset_operand,
4429         branch_operator, ubranch_operator, boolean_operator): Move to
4430         predicates.md.
4431         (smalloffset_mem_p): Inline code from xtensa_lsi4x4.
4432         (xtensa_mem_offset): Change return type to bool.
4433         (xtensa_extra_constraint): New.
4434         (gen_int_relational): Update type of const_range_p function pointer.
4435         Use xtensa_b4const_or_zero.
4436         * config/xtensa/xtensa.h (CONST_OK_FOR_LETTER_P): Define to
4437         xtensa_const_ok_for_letter_p.  Update comments.
4438         (EXTRA_CONSTRAINT): Define to xtensa_extra_constraint.
4439         (PREDICATE_CODES): Delete.
4440         * config/xtensa/xtensa.md: Include predicates.md.
4441         * config/xtensa/predicates.md: New file.
4442
4443 2005-03-21  Kazu Hirata  <kazu@cs.umass.edu>
4444
4445         * config/v850/v850-protos.h: Remove the prototypes for
4446         reg_or_int9_operand, reg_or_const_operand,
4447         pattern_is_ok_for_prepare, pattern_is_ok_for_dispose,
4448         reg_or_0_operand, reg_or_int5_operand, call_address_operand,
4449         movsi_source_operand, power_of_two_operand,
4450         not_power_of_two_operand, special_symbolref_operand,
4451         pattern_is_ok_for_prologue, pattern_is_ok_for_epilogue, and
4452         register_is_ok_for_epilogue.
4453         * config/v850/v850.c (reg_or_0_operand, reg_or_int5_operand,
4454         reg_or_int9_operand, reg_or_const_operand,
4455         call_address_operand, special_symbolref_operand,
4456         movsi_source_operand, power_of_two_operand,
4457         not_power_of_two_operand, register_is_ok_for_epilogue,
4458         pattern_is_ok_for_epilogue, pattern_is_ok_for_prologue,
4459         pattern_is_ok_for_dispose, pattern_is_ok_for_prepare): Move to
4460         predicates.md.
4461         * config/v850/v850.h (PREDICATE_CODES): Remove.
4462         * config/v850/v850.md: Include predicates.md.
4463         * config/v850/predicates.md: New.
4464
4465 2005-03-21  Zack Weinberg  <zack@codesourcery.com>
4466
4467         * Makefile.in (BASEVER, DEVPHASE, DATESTAMP)
4468         (BASEVER_c, DEVPHASE_c, DATESTAMP_c)
4469         (BASEVER_s, DEVPHASE_s, DATESTAMP_s, version): Set with :=.
4470         (itoolsdir, itoolsdatadir): Move definition above new first use.
4471         (install-itoolsdirs): New rule.
4472         (install-mkheaders): Depend on install-itoolsdirs, not
4473         install-include-dir.
4474
4475 2005-03-21  Kazu Hirata  <kazu@cs.umass.edu>
4476
4477         * tree-into-ssa.c: Remove obsolete comments.
4478
4479 2005-03-21  Richard Guenther  <rguenth@gcc.gnu.org>
4480
4481         * tree-ssa-loop.c (gate_tree_complete_unroll): Run complete
4482         unrolling if -fpeel-loops is specified, too.
4483         * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely):
4484         Remove superfluous check for flag_unroll_loops.
4485
4486 2005-03-21  Uros Bizjak  <uros@kss-loka.si>
4487
4488         * optabs.h (enum optab_index): Add new OTI_lrint and OTI_llrint.
4489         (lrint_optab, llrint_optab): Define corresponding macros.
4490         * optabs.c (init_optabs): Initialize lrint_optab and llrint_optab.
4491         * genopinit.c (optabs): Implement lrint_optab using lrintsi2
4492         pattern and llrint_optab using llrintdi2 patterns.
4493         * builtins.c (expand_builtin_mathfn): Handle BUILT_IN_LRINT{,F,L}
4494         using lrint_optab and BUILT_IN_LLRINT{,F,L} using llrint_optab.
4495         (expand_builtin): Expand BUILT_IN_LRINT{,F,L} and
4496         BUILT_IN_LLRINT{,F,L} using expand_builtin_mathfn if
4497         flag_unsafe_math_optimizations is set.
4498
4499 2005-03-21  Paolo Bonzini  <bonzini@gnu.org>
4500
4501         * combine.c (combine_simplify_rtx, simplify_if_then_else,
4502         simplify_logical, if_then_else_cond, known_cond,
4503         simplify_comparison): Adjust calls to reverse_comparison.
4504         Don't use combine_reversed_comparison_code).
4505         (combine_reversed_comparison_code): Remove.
4506         (reversed_comparison): Using reversed_comparison_code, move it...
4507         * jump.c (reversed_comparison): ... here.
4508         * rtl.h (reversed_comparison): Add prototype.
4509
4510 2005-03-21  Kazu Hirata  <kazu@cs.umass.edu>
4511
4512         * builtins.c (fold_builtin): Take decomposed arguments of
4513         CALL_EXPR.
4514         * fold-const.c (fold_ternary): Update a call to fold_builtin.
4515         * gimplify.c (gimplify_call_expr): Likewise.
4516         * tree-ssa-ccp.c (ccp_fold, ccp_fold_builtin): Likewise.
4517         * tree.h: Update the prototype of fold_builtin.
4518
4519 2005-03-21  Paolo Bonzini  <bonzini@gnu.org>
4520
4521         * rtl.h (struct rtx_hooks): Add gen_lowpart_no_emit.
4522         * rtlhooks.c (gen_lowpart_no_emit_general): New.
4523         * rtlhooks-def.h (gen_lowpart_no_emit_general): Declare.
4524         (RTL_HOOKS_GEN_LOWPART_NO_EMIT): New.
4525         * simplify-rtx.c (simplify_binary_operation_1): Use it.
4526
4527 2005-03-21  Kazu Hirata  <kazu@cs.umass.edu>
4528
4529         * builtins.c (fold_builtin_1): Take decomposed arguments of
4530         CALL_EXPR.
4531         (fold_builtin): Update a call to fold_builtin_1.
4532
4533 2005-03-21  Nathan Sidwell  <nathan@codesourcery.com>
4534
4535         PR other/20564
4536         * gcov.c (output_lines): Only output function block summary when
4537         outputting branch information.
4538         * doc/gcov.texi: Document format of preamble and additional block
4539         information lines.
4540
4541 2005-03-21  Richard Sandiford  <rsandifo@redhat.com>
4542
4543         * libgcc2.h (LIBGCC2_HAS_SF_MODE): New macro.
4544         (LIBGCC2_HAS_DF_MODE, LIBGCC2_HAS_TF_MODE, LIBGCC2_HAS_XF_MODE): Make
4545         the defaults false if BITS_PER_UNIT != 8.
4546         (SFtype, SCtype, __fixsfdi, __floatdisf, __fixunssfSI, __fixunssfDI)
4547         (__powisf2, __divsc3, __mulsc3): Guard with LIBGCC2_HAS_SF_MODE rather
4548         than BITS_PER_UNIT != 8.
4549         (L_fixdfdi, L_fixsfdi, L_fixtfdi, L_fixunsdfdi, L_fixunsdfsi)
4550         (L_fixunssfdi, L_fixunssfsi, L_fixunstfdi, L_fixunsxfdi, L_fixunsxfsi)
4551         (L_fixxfdi, L_floatdidf, L_floatdisf, L_floatditf, L_floatdixf): Remove
4552         #undefs.
4553         * libgcc2.c (__fixunssfDI, __fixsfdi, __floatdisf, __fixunssfSI)
4554         (__powisf2, __divsc3, __mulsc3): Guard with LIBGCC2_HAS_SF_MODE.
4555
4556 2005-03-20  Roger Sayle  <roger@eyesopen.com>
4557
4558         PR middle-end/20539
4559         * fold-const.c (fold_binary): Fix type mismatch between
4560         TRUTH_{AND,OR,XOR}_EXPR nodes an their operands' types.
4561         (fold_binary) <TRUTH_XOR_EXPR>: Avoid calling invert_truthvalue
4562         for non-truth-valued expressions.
4563
4564         * c-common.c (c_common_truthvalue_conversion): Handle ERROR_MARK
4565         and FUNCTION_DECL in the main switch.
4566         <TRUTH_ANDIF_EXPR, TRUTH_ORIF_EXPR, TRUTH_AND_EXPR, TRUTH_OR_EXPR,
4567         TRUTH_XOR_EXPR>: When changing the result type of these tree nodes,
4568         we also need to convert their operands to match.
4569         <TRUTH_NOT_EXPR>: Likewise.
4570
4571 2005-03-21  Joseph S. Myers  <joseph@codesourcery.com>
4572
4573         * c-common.c (lvalue_or_else): Replace by lvalue_error; only give
4574         diagnostic without checking whether an lvalue.
4575         * c-common.h (lvalue_p): Remove.
4576         (enum lvalue_use): Update comment.
4577         (lvalue_or_else): Replace by lvalue_error.
4578         * c-typeck.c (lvalue_p): Make static.
4579         (lvalue_or_else): New.  Call lvalue_error.
4580
4581 2005-03-21  Alan Modra  <amodra@bigpond.net.au>
4582
4583         * config/rs6000/rs6000.c (rs6000_parm_start): New function.
4584         (function_arg_advance): Use rs6000_parm_start.
4585         (function_arg, rs6000_arg_partial_bytes): Likewise.
4586
4587 2005-03-20  Joseph S. Myers  <joseph@codesourcery.com>
4588
4589         * c-common.c (check_case_value): Adjust comment about stripping
4590         NOPs.
4591         (handle_vector_size_attribute): Don't strip NON_LVALUE_EXPR.
4592         * c-typeck.c (default_conversion, convert_arguments,
4593         build_modify_expr, convert_for_assignment, store_init_value,
4594         digest_init): Use STRIP_TYPE_NOPS instead of stripping nops
4595         manually.  Remove inaccurate comments.
4596
4597 2005-03-20  Roger Sayle  <roger@eyesopen.com>
4598             Joseph S. Myers  <joseph@codesourcery.com>
4599
4600         * varasm.c (do_assemble_alias): Restore comment describing function.
4601         Annotate the target parameter as potentially unused.
4602
4603 2005-03-20  Marek Michalkiewicz  <marekm@amelek.gda.pl>
4604
4605         PR target/18551
4606         * config/avr/avr.c (avr_output_function_prologue): Do not use
4607         current_function_name() in a label, use a local label instead.
4608
4609 2005-03-20  David Edelsohn  <edelsohn@gnu.org>
4610
4611         * config/rs6000/rs6000.c (rs6000_generate_compare): Test
4612         flag_finite_math_only, not flag_unsafe_math_optimizations.
4613
4614 2005-03-20  Kazu Hirata  <kazu@cs.umass.edu>
4615
4616         * builtins.c (fold_builtin_1): Update a call to
4617         targetm.fold_builtin.
4618         * hooks.c (hook_tree_tree_bool_null): Rename to
4619         hook_tree_tree_tree_bool_null.  Take one more argument of type
4620         tree.
4621         * hooks.h: Update the prototype of hook_tree_tree_bool_null.
4622         * target-def.h (TARGET_FOLD_BUILTIN): Define it as
4623         hook_tree_tree_tree_bool_null.
4624         * target.h (gcc_target): Update the prototype of fold_builtin.
4625         * config/alpha/alpha.c (alpha_fold_builtin): Take decomposed
4626         arguments of CALL_EXPR.
4627         * doc/tm.texi (TARGET_FOLD_BUILTIN): Update.  Mention the
4628         new prototype.
4629
4630 2005-03-20  Jan Hubicka  <jh@suse.cz>
4631
4632         * cgraph.h (cgraph_node): Add prev_clone pointer.
4633         * cgraph.c (cgraph_remove_node): Remove from doubly linked chain.
4634         (cgraph_clone_node): Produce doubly linked chain.
4635
4636 2005-03-20  Joseph S. Myers  <joseph@codesourcery.com>
4637
4638         * c-common.c (handle_aligned_attribute, check_function_sentinel,
4639         get_nonnull_operand, handle_sentinel_attribute,
4640         check_function_arguments_recurse): Do not strip NOPS from
4641         INTEGER_CSTs.
4642         * c-decl.c (check_bitfield_type_and_width, build_enumerator):
4643         Likewise.
4644         * c-format.c (get_constant): Likewise.
4645         * c-parser.c (c_parser_postfix_expression): Likewise.
4646         * c-typeck.c (set_init_index): Likewise.
4647         (convert_arguments): Don't check for NOP_EXPR containing integer
4648         constant.
4649
4650 2005-03-20  Kazu Hirata  <kazu@cs.umass.edu>
4651
4652         * builtins.c (fold_fixed_mathfn, fold_builtin_trunc,
4653         fold_builtin_floor, fold_builtin_ceil, fold_builtin_lround):
4654         Take decomposed arguments of CALL_EXPR.
4655         (fold_builtin_1): Update calls to the functions mentioned
4656         above.
4657
4658 2005-03-20  Joseph S. Myers  <joseph@codesourcery.com>
4659
4660         * c-decl.c (check_bitfield_type_and_width): Require bit-field
4661         width to have integer type.
4662         (build_enumerator): Require enumerator value to have integer type.
4663
4664 2005-03-19  Joseph S. Myers  <joseph@codesourcery.com>
4665
4666         * doc/extend.texi (__builtin_inf): Move statement about INFINITY
4667         to __builtin_inff.
4668
4669 2005-03-19  Joseph S. Myers  <joseph@codesourcery.com>
4670
4671         * c.opt (ansi, std=iso9899:1990, std=iso9899:1999,
4672         std=iso9899:199x): Correct descriptions.
4673
4674 2005-03-19  Joseph S. Myers  <joseph@codesourcery.com>
4675
4676         * config.gcc: Consistently use solaris2.1[0-9]* instead of
4677         solaris2.1[0-9].
4678
4679 2005-03-19  Kazu Hirata  <kazu@cs.umass.edu>
4680
4681         * builtins.c (fold_builtin_memcpy): Take decomposed arguments
4682         of CALL_EXPR.
4683         (expand_builtin_memcpy, fold_builtin_1): Update calls to
4684         fold_builtin_memcpy.
4685
4686         * builtins.c (fold_trunc_transparent_mathfn): Take decomposed
4687         arguments of CALL_EXPR.
4688         (fold_builtin_trunc, fold_builtin_floor, fold_builtin_ceil,
4689         fold_builtin_found, fold_builtin_1): Update calls to
4690         fold_trunc_transparent_mathfn.
4691
4692 2005-03-19  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4693
4694         PR middle-end/20493
4695         * fold-const.c (fold_widened_comparison): Don't optimize casts of
4696         function pointers on targets that require function pointer
4697         canonicalization.
4698         (fold_sign_changed_comparison): Likewise.
4699
4700 2005-03-19  Bernd Schmidt  <bernd.schmidt@analog.com>
4701
4702         * combine.c (try_combine): When changing the mode of a hard reg, make
4703         sure that doing so is valid.
4704
4705 2005-03-19  Richard Sandiford  <rsandifo@redhat.com>
4706
4707         * config/avr/avr.c (avr_init_stack, avr_mcu_name): Make static.
4708         (TARGET_HANDLE_OPTION): Override default.
4709         (avr_handle_option): New function.
4710         * config/avr/avr.h (MASK_ALL_DEBUG, MASK_ORDER_1, MASK_INSN_SIZE_DUMP)
4711         (MASK_ORDER_2, MASK_NO_TABLEJUMP, MASK_INT8, MASK_NO_INTERRUPTS)
4712         (MASK_CALL_PROLOGUES, MASK_TINY_STACK, MASK_SHORT_CALLS)
4713         (TARGET_ORDER_1, TARGET_ORDER_2, TARGET_INT8, TARGET_NO_INTERRUPTS)
4714         (TARGET_INSN_SIZE_DUMP, TARGET_CALL_PROLOGUES, TARGET_TINY_STACK)
4715         (TARGET_NO_TABLEJUMP, TARGET_SHORT_CALLS, TARGET_ALL_DEBUG)
4716         (TARGET_SWITCHES, avr_init_stack, avr_mcu_name)
4717         (TARGET_OPTIONS): Delete.
4718         * config/avr/avr.opt: New file.
4719
4720 2005-03-18  2005-03-18  Kazu Hirata  <kazu@cs.umass.edu>
4721
4722         * config/m32r/m32r-protos.h: Remove the prototypes for
4723         call_address_operand, symbolic_operand, seth_add3_operand,
4724         cmp_int16_operand, uint16_operand, reg_or_int16_operand,
4725         reg_or_uint16_operand, reg_or_cmp_int16_operand,
4726         two_insn_const_operand, move_src_operand,
4727         move_double_src_operand, move_dest_operand,
4728         eqne_comparison_operator, signed_comparison_operator,
4729         large_insn_p, conditional_move_operand, carry_compare_operand,
4730         m32r_block_immediate_operand, extend_operand,
4731         reg_or_eq_int16_operand, int8_operand, and
4732         reg_or_zero_operand.
4733         * config/m32r/m32r.c (call_address_operand, symbolic_operand,
4734         seth_add3_operand, int8_operand, cmp_int16_operand,
4735         uint16_operand, reg_or_int16_operand, reg_or_uint16_operand,
4736         reg_or_eq_int16_operand, reg_or_cmp_int16_operand,
4737         reg_or_zero_operand, two_insn_const_operand, move_src_operand,
4738         move_double_src_operand, move_dest_operand,
4739         eqne_comparison_operator, signed_comparison_operator,
4740         extend_operand, small_insn_p, large_insn_p,
4741         conditional_move_operand, carry_compare_operand,
4742         m32r_block_immediate_operand): Move to predicates.md.
4743         (MAX_MOVE_BYTES): Move to m32r.h.
4744         * config/m32r/m32r.h (PREDICATE_CODES): Remove.
4745         * config/m32r/m32r.md: Include predicates.md.
4746         * config/m32r/predicates.md: New.
4747
4748 2005-03-18  James E Wilson  <wilson@specifixinc.com>
4749
4750         PR c++/19769
4751         * dwarf2out.c (declare_in_namespace): Ignore decls with an abstract
4752         origin.
4753
4754 2005-03-18  Kazu Hirata  <kazu@cs.umass.edu>
4755
4756         * config/mn10300/mn10300-protos.h: Remove the prototypes for
4757         call_address_operand, const_8bit_operand.
4758         * config/mn10300/mn10300.c (call_address_operand,
4759         const_8bit_operand, const_1f_operand): Move to predicates.md.
4760         * config/mn10300/mn10300.h (PREDICATE_CODES): Remove.
4761         * config/mn10300/mn10300.md: Include predicates.md.
4762         * config/mn10300/predicates.md: New.
4763
4764 2005-03-18  Joseph S. Myers  <joseph@codesourcery.com>
4765
4766         * c-common.c, c-decl.c, c-format.c, c-typeck.c: Use %D for
4767         declarations in diagnostics and %E for identifiers, not %s.
4768
4769 2005-03-18  Jan Hubicka  <jh@suse.cz>
4770             Dale Johannesen  <dalej@apple.com>
4771
4772         * basic-block.h (scale_bbs_frequencies_int,
4773         scale_bbs_frequencies_gcov_type): Declare.
4774         * cfg.c (RDIV): New macro.
4775         (update_bb_frequency_for_threading): Fix.
4776         * basic-block.h (scale_bbs_frequencies_int,
4777         scale_bbs_frequencies_gcov_type): New.
4778         * cfgloopmanip.c (scale_bbs_frequencies): Kill.
4779         (scale_loop_frequencies, duplicate_loop_to_header_edge): Use
4780         scale_bbs_frequencies_int.
4781         * tree-ssa-loop-ch.c (copy_loop_headers): Fix profiling info.
4782
4783 2005-03-18  Kazu Hirata  <kazu@cs.umass.edu>
4784
4785         * config/m32r/m32r-protos.h: Remove the prototypes for
4786         call_address_operand, symbolic_operand, seth_add3_operand,
4787         cmp_int16_operand, uint16_operand, reg_or_int16_operand,
4788         reg_or_uint16_operand, reg_or_cmp_int16_operand,
4789         two_insn_const_operand, move_src_operand,
4790         move_double_src_operand, move_dest_operand,
4791         eqne_comparison_operator, signed_comparison_operator,
4792         large_insn_p, conditional_move_operand, carry_compare_operand,
4793         m32r_block_immediate_operand, extend_operand,
4794         reg_or_eq_int16_operand, int8_operand, and
4795         reg_or_zero_operand.
4796         * config/m32r/m32r.c (call_address_operand, symbolic_operand,
4797         seth_add3_operand, int8_operand, cmp_int16_operand,
4798         uint16_operand, reg_or_int16_operand, reg_or_uint16_operand,
4799         reg_or_eq_int16_operand, reg_or_cmp_int16_operand,
4800         reg_or_zero_operand, two_insn_const_operand, move_src_operand,
4801         move_double_src_operand, move_dest_operand,
4802         eqne_comparison_operator, signed_comparison_operator,
4803         extend_operand, small_insn_p, large_insn_p,
4804         conditional_move_operand, carry_compare_operand,
4805         m32r_block_immediate_operand): Move to predicates.md.
4806         (MAX_MOVE_BYTES): Move to m32r.h.
4807         * config/m32r/m32r.h (PREDICATE_CODES): Remove.
4808         * config/m32r/m32r.md: Include predicates.md.
4809         * config/m32r/predicates.md: New.
4810
4811         * config/pa/pa-protos.h: Add prototypes for magic_milli and
4812         shadd_constant_p.
4813         * config/pa/pa.c (reg_or_0_operand, call_operand_address,
4814         symbolic_operand, symbolic_memory_operand,
4815         reg_or_0_or_nonsymb_mem_operand, reg_before_reload_operand,
4816         indexed_memory_operand, move_dest_operand, move_src_operand,
4817         prefetch_cc_operand, prefetch_nocc_operand,
4818         reg_or_cint_move_operand, pic_label_operand, fp_reg_operand,
4819         arith_operand, arith11_operand, pre_cint_operand,
4820         post_cint_operan, arith_double_operand, ireg_or_int5_operand,
4821         ireg_operand, int5_operand, uint5_operand, int11_operand,
4822         uint32_operand, arith5_operand, and_operand, ior_operand,
4823         lhs_lshift_operand, lhs_lshift_cint_operand, arith32_operand,
4824         pc_or_label_operand, div_operand, plus_xor_ior_operator,
4825         shadd_operand, movb_comparison_operator,
4826         cmpib_comparison_operator): Move to predicates.md.
4827         (magic_milli, shadd_constant_p): Make it extern.
4828         * config/pa/pa.h (PREDICATE_CODES): Remove.
4829         * config/pa/pa.md: Include predicates.md.
4830         * config/pa/predicates.md: New.
4831
4832         * config/v850/v850.h (PREDICATE_CODES): Remove a nonexistent
4833         predicate.
4834
4835 2005-03-18  Kazu Hirata  <kazu@cs.umass.edu>
4836
4837         * hooks.c, hooks.h, intl.c, opts.h, prefix.c, tree-gimple.c,
4838         config/alpha/ev4.md, config/alpha/ev5.md, config/alpha/ev6.md,
4839         config/alpha/freebsd.h, config/alpha/linux.h,
4840         config/alpha/netbsd.h, config/alpha/osf5.h,
4841         config/alpha/vms.h, config/arc/arc.c, config/arc/arc.h,
4842         config/h8300/h8300-protos.h, config/h8300/h8300.c,
4843         config/h8300/h8300.h, config/ia64/unwind-ia64.c,
4844         doc/cppopts.texi: Update copyright.
4845
4846 2005-03-18  Jan Hubicka  <jh@suse.cz>
4847
4848         PR middle-end/20225
4849         * cgraph.c (cgraph_mark_reachable_node): Assert that it is not called
4850         too late.
4851         * varasm.c (find_decl_and_mark_needed): Mark needed only when not
4852         called too late.
4853
4854 2005-03-18  Kazu Hirata  <kazu@cs.umass.edu>
4855
4856         * tree-into-ssa.c (find_idf): Use VEC_quick_push instead of
4857         VEC_safe_push.
4858
4859 2005-03-18  Paolo Bonzini  <bonzini@gnu.org>
4860
4861         * combine.c (gen_binary): Remove.
4862         (known_cond, simplify_shift_const, find_split_point,
4863         combine_simplify_rtx, simplify_if_then_else, simplify_set,
4864         simplify_logical, expand_field_assignment, extract_left_shift,
4865         force_to_mode, if_then_else_cond, apply_distributive_law,
4866         simplify_and_const_int, simplify_shift_const, gen_lowpart_for_combine,
4867         simplify_comparison, reversed_comparison): Replace with
4868         simplify_gen_binary, simplify_gen_relational or
4869         distribute_and_simplify_rtx.
4870         (distribute_and_simplify_rtx): New function.
4871
4872 2005-03-18  Alexey Neyman  <alex.neyman@auriga.ru>
4873             Paolo Bonzini  <gcc.gnu.org>
4874
4875         * calls.c (setjmp_call_p, special_function_p): Update comments
4876         at the head of the functions.
4877
4878 2005-03-18  Jan Hubicka  <jh@suse.cz>
4879
4880         * tree-cfg.c (fold_cond_expr_cond): Use boolean types for condition.
4881
4882         * cgraph.c (cgraph_remove_node): Avoid loop in code deciding whether
4883         function body should be released; do not proactively release function
4884         bodies in non-unit-at-a-time mode.
4885
4886 2005-03-18  Ralf Corsepius  <ralf.corsepius@rtems.org>
4887
4888         * config/i386/t-rtems-i386 (MULTILIBS): Remove k6, athlon,
4889         mno-fp-ret-in-387 multilib variants.
4890
4891 2005-03-18  Richard Sandiford  <rsandifo@redhat.com>
4892
4893         * common.opt (m): Remove.
4894         * opts.c (handle_option): Pass 'm' options to set_target_switch if
4895         table lookup fails.
4896         (common_handle_option): Remove OPT_m case.
4897
4898 2005-03-18  Kazu Hirata  <kazu@cs.umass.edu>
4899
4900         * builtins.c (fold_builtin_bitop): Take decomposed arguments
4901         of CALL_EXPR.
4902         (fold_builtin_1): Update a call to fold_builtin_bitop.
4903
4904         * builtins.c (fold_builtin_signbit): Take decomposed arguments
4905         of CALL_EXPR.
4906         (fold_builtin_1): Update a call to fold_builtin_signbit.
4907
4908 2005-03-17  Dorit Naishlos  <dorit@il.ibm.com>
4909
4910         PR tree-optimization/20474
4911         * tree-vect-analyze.c (vect_analyze_pointer_ref_access): Check the
4912         size_type of the relevant pointer. Check for COMPLETE_TYPE_P.
4913
4914 2005-03-17  Kazu Hirata  <kazu@cs.umass.edu>
4915
4916         * config/h8300/h8300-protos.h: Remove prototypes for
4917         general_operand_src, general_operand_dst, single_one_operand,
4918         single_zero_operand, call_insn_operand,
4919         two_insn_adds_subs_operand, small_call_insn_operand,
4920         jump_address_operand, bit_operand, bit_memory_operand,
4921         stack_pointer_operand, const_int_gt_2_operand,
4922         const_int_ge_8_operand, const_int_qi_operand,
4923         const_int_hi_operand, incdec_operand, bit_operator,
4924         nshift_operator, eqne_operator, gtle_operator,
4925         gtuleu_operator, iorxor_operator.
4926         Add prototypes for h8sx_shift_type h8sx_classify_shift and
4927         h8300_ldm_stm_parallel.
4928         * config/h8300/h8300.c (h8sx_shift_type,): Move to
4929         h8300-protos.h.
4930         (SYMBOL_FLAG_FUNCVEC_FUNCTION, SYMBOL_FLAG_EIGHTBIT_DATA,
4931         SYMBOL_FLAG_TINY_DATA): Move to h8300.h.
4932         (h8300_ldm_stm_parallel): Make it extern.
4933         (h8300_ldm_parallel, h8300_stm_parallel,
4934         h8300_return_parallel, general_operand_src,
4935         general_operand_dst, h8300_dst_operand, h8300_src_operand,
4936         nibble_operand, reg_or_nibble_operand, single_one_operand,
4937         single_zero_operand, call_insn_operand,
4938         two_insn_adds_subs_operand, small_call_insn_operand,
4939         jump_address_operand, bit_operand, bit_memory_operand,
4940         stack_pointer_operand, const_int_gt_2_operand,
4941         const_int_ge_8_operand, const_int_qi_operand,
4942         const_int_hi_operand, incdec_operand, eqne_operator,
4943         gtle_operator, gtuleu_operator, iorxor_operator, bit_operator,
4944         h8sx_binary_memory_operator, h8sx_unary_memory_operator,
4945         h8sx_unary_shift_operator, h8sx_binary_shift_operator,
4946         nshift_operator): Move to predicates.md.
4947         * config/h8300/h8300.h (PREDICATE_CODES): Remove.
4948         * config/h8300/h8300.md: Include predicates.md.
4949         * config/h8300/predicates.md: New.
4950
4951 2005-03-17  Richard Henderson  <rth@redhat.com>
4952
4953         * config.gcc (ia64*-*-hpux*): Add extra_options.
4954         * config/ia64/hpux.h (SUBTARGET_SWITCHES): Remove.
4955         (TARGET_DEFAULT): Remove MASK_INLINE_FLOAT_DIV_THR.
4956         * config/ia64/ia64.c (ia64_fixed_range_string): Remove.
4957         (ia64_tls_size_string, ia64_tune_string): Remove.
4958         (ia64_tune): Init to PROCESSOR_ITANIUM2.
4959         (TARGET_DEFAULT_TARGET_FLAGS): New.
4960         (TARGET_HANDLE_OPTION): New.
4961         (ia64_override_options): Move options parsing ...
4962         (ia64_handle_option): ... here.  New.
4963         * config/ia64/ia64.h (target_flags, MASK_BIG_ENDIAN, MASK_GNU_AS,
4964         MASK_GNU_LD, MASK_NO_PIC, MASK_VOL_ASM_STOP, MASK_ILP32,
4965         MASK_REG_NAMES, MASK_NO_SDATA, MASK_CONST_GP, MASK_AUTO_PIC,
4966         MASK_INLINE_FLOAT_DIV_LAT, MASK_INLINE_FLOAT_DIV_THR,
4967         MASK_INLINE_INT_DIV_LAT, MASK_INLINE_INT_DIV_THR,
4968         MASK_INLINE_SQRT_LAT, MASK_INLINE_SQRT_THR, MASK_DWARF2_ASM,
4969         MASK_EARLY_STOP_BITS, TARGET_BIG_ENDIAN, TARGET_GNU_AS, TARGET_GNU_LD,
4970         TARGET_NO_PIC, TARGET_VOL_ASM_STOP, TARGET_ILP32, TARGET_REG_NAMES,
4971         TARGET_NO_SDATA, TARGET_CONST_GP, TARGET_AUTO_PIC,
4972         TARGET_INLINE_FLOAT_DIV_LAT, TARGET_INLINE_FLOAT_DIV_THR,
4973         TARGET_INLINE_INT_DIV_LAT, TARGET_INLINE_INT_DIV_THR,
4974         TARGET_INLINE_FLOAT_DIV, TARGET_INLINE_INT_DIV, TARGET_INLINE_SQRT_LAT,
4975         TARGET_INLINE_SQRT_THR, TARGET_INLINE_SQRT, TARGET_DWARF2_ASM,
4976         TARGET_EARLY_STOP_BITS): Remove.
4977         (TARGET_ILP32): Default false.
4978         (TARGET_SWITCHES, SUBTARGET_SWITCHES, TARGET_OPTIONS): Remove.
4979         (enum ia64_inline_type): New.
4980         (TARGET_DEFAULT): Remove MASK_INLINE_FLOAT_DIV_THR.
4981         * config/ia64/ia64.md: Update for new definitions of
4982         TARGET_INLINE_INT_DIV, TARGET_INLINE_FLOAT_DIV, TARGET_INLINE_SQRT.
4983         * config/ia64/ia64.opt: New file.
4984         * config/ia64/ilp32.opt: New file.
4985
4986 2005-03-17  H.J. Lu  <hongjiu.lu@intel.com>
4987
4988         PR target/18380
4989         * config/ia64/unwind-ia64.c (_Unwind_FindTableEntry): Removed.
4990
4991 2005-03-17  Kazu Hirata  <kazu@cs.umass.edu>
4992
4993         * config/h8300/h8300.c (h8300_init_once): Use MASK_H8300S_1
4994         instead of MASK_H8300S.
4995         * config/h8300/h8300.h (target_flags, MASK_H8300S, MASK_MAC,
4996         MASK_INT32, MASK_ADDRESSES, MASK_QUICKCALL, MASK_SLOWBYTE,
4997         MASK_NORMAL_MODE, MASK_RELAX, MASK_H8300H, MASK_ALIGN_300,
4998         MASK_H8300SX, TARGET_INT32, TARGET_ADDRESSES,
4999         TARGET_QUICKCALL, TARGET_SLOWBYTE, TARGET_H8300H,
5000         TARGET_H8300XS, TARGET_NORMAL_MODE, TARGET_ALIGN_300,
5001         TARGET_SWITCHES): Remove.
5002         (TARGET_H8300S): Redefine interms of TARGET_H8300S_1 and
5003         TARGET_H8300SX.
5004         * config/h8300/h8300.opt: New.
5005
5006         * config/alpha/alpha.opt, config/arc/arc.opt,
5007         config/h8300/h8300.opt, config/mips/mips.opt: Add copyright
5008         notices.
5009
5010 2005-03-17  Ian Lance Taylor  <ian@airs.com>
5011
5012         * gmon.c: Remove.
5013
5014 2005-03-17  Richard Sandiford  <rsandifo@redhat.com>
5015
5016         * config/arc/arc.c (arc_cpu_string): Make static.  Default to "base"
5017         (arc_text_string, arc_data_string, arc_rodata_string): Make static.
5018         (TARGET_HANDLE_OPTION): Override default.
5019         (arc_handle_option): New function.
5020         (arc_init): Remove code to set arch_cpu_string.
5021         * config/arc/arc.h (target_flags, TARGET_MASK_MANGLE_CPU)
5022         (TARGET_MANGLE_CPU, TARGET_MASK_MANGLE_CPU_LIBGCC)
5023         (TARGET_MANGLE_CPU_LIBGCC, TARGET_MASK_ALIGN_LOOPS, TARGET_ALIGN_LOOPS)
5024         (TARGET_MASK_BIG_ENDIAN, TARGET_BIG_ENDIAN, TARGET_MASK_NO_COND_EXEC)
5025         (TARGET_NO_COND_EXEC, TARGET_SWITCHES, TARGET_DEFAULT)
5026         (SUBTARGET_SWITCHES, arc_cpu_string, arc_text_string, arc_data_string)
5027         (arc_rodata_string, TARGET_OPTIONS): Delete.
5028         * config/arc/arc.opt: New file.
5029
5030 2005-03-17  Richard Henderson  <rth@redhat.com>
5031
5032         * doc/extend.texi (Weak Pragmas): New section.
5033         (attribute alias): Clarify that target must be in the same
5034         translation unit.
5035
5036 2005-03-17  Richard Henderson  <rth@redhat.com>
5037
5038         * config/alpha/alpha.opt: New file.
5039         * config/alpha/alpha.c (alpha_tune): New.  Rename all existing uses
5040         of alpha_cpu.
5041         (alpha_cpu_string, alpha_tune_string, alpha_tp_string,
5042         alpha_fprm_string, alpha_fptm_string): Make static.
5043         (alpha_tls_size_string): Remove.
5044         (alpha_handle_option): New.
5045         (override_options): Update for alpha_cpu/alpha_tune split.
5046         (alpha_file_start): Likewise.
5047         (TARGET_DEFAULT_TARGET_FLAGS): New.
5048         (TARGET_HANDLE_OPTION): New.
5049         * config/alpha/alpha.h (alpha_tune): Declare.
5050         (MASK_FP, MASK_FPREGS, TARGET_FPREGS, MASK_GAS, TARGET_GAS,
5051         MASK_IEEE_CONFORMANT, TARGET_IEEE_CONFORMANT, MASK_IEEE, TARGET_IEEE,
5052         MASK_IEEE_WITH_INEXACT, TARGET_IEEE_WITH_INEXACT, MASK_BUILD_CONSTANTS,
5053         TARGET_BUILD_CONSTANTS, MASK_FLOAT_VAX, TARGET_FLOAT_VAX, MASK_BWX,
5054         TARGET_BWX, MASK_MAX, TARGET_MAX, MASK_FIX, TARGET_FIX, MASK_CIX,
5055         TARGET_CIX, MASK_EXPLICIT_RELOCS, TARGET_EXPLICIT_RELOCS,
5056         MASK_SMALL_DATA, TARGET_SMALL_DATA, MASK_TLS_KERNEL, TARGET_TLS_KERNEL,
5057         MASK_SMALL_TEXT, TARGET_SMALL_TEXT, MASK_LONG_DOUBLE_128,
5058         TARGET_LONG_DOUBLE_128, MASK_CPU_EV5, TARGET_CPU_EV5, MASK_CPU_EV6,
5059         TARGET_CPU_EV6, MASK_SUPPORT_ARCH): Remove.
5060         (TARGET_SWITCHES, TARGET_OPTIONS): Remove.
5061         (TARGET_DEFAULT): Remove MASK_FP.
5062         (TARGET_FP): Redefined based on TARGET_SOFT_FP.
5063         (TARGET_SUPPORT_ARCH): Default on if HAVE_AS_EXPLICIT_RELOCS.
5064         (alpha_cpu_string, alpha_tune_string, alpha_fprm_string,
5065         alpha_fptm_string, alpha_tp_string, alpha_mlat_string,
5066         alpha_tls_size_string): Remove.
5067         * config/alpha/alpha.md (prefetch): Use alpha_cpu.
5068         (attribute tune): Rename from attribute cpu.
5069         * config/alpha/ev4.md: Update to match.
5070         * config/alpha/ev5.md, config/alpha/ev6.md: Likewise.
5071         * config/alpha/freebsd.h (TARGET_DEFAULT): Remove MASK_FP.
5072         * config/alpha/linux.h (TARGET_DEFAULT): Likewise.
5073         * config/alpha/netbsd.h (TARGET_DEFAULT): Likewise.
5074         * config/alpha/osf5.h (TARGET_DEFAULT): Likewise.
5075         * config/alpha/vms.h (TARGET_DEFAULT): Likewise.
5076
5077 2005-03-16  James E. Wilson  <wilson@specifixinc.com>
5078
5079         * config/ia64/ia64.c (issue_nops_and_insn): Check first_insn attribute,
5080         and return without creating new state if before_nops_num is nonzero.
5081         * config/ia64/ia64.md (first_insn): New attribute.
5082         (alloc): Set it to yes.
5083
5084 2005-03-16  Daniel Berlin  <dberlin@dberlin.org>
5085
5086         * tree-vectorizer.c (new_vec_stmt_info): Initialize
5087         STMT_VINFO_SUBVARS to NULL.
5088         * tree-vect-analyze.c (vect_analyze_data_refs): Ditto.
5089
5090 2005-03-16 Dale Johannesen  <dalej@apple.com>
5091
5092         * rtlanal.c (find_first_parameter_load):  Rewrite to
5093         return actual first param load or the call if none,
5094         instead of first in block, when not all loads exist.
5095
5096 2005-03-16  Roger Sayle  <roger@eyesopen.com>
5097
5098         * optabs.c (expand_copysign_absneg): Make static.
5099         * optabs.h (expand_copysign_absneg): Delete prototype.
5100         * config/rs6000/rs6000.md (copysigntf3): Delete pattern.
5101
5102 2005-03-16  Richard Henderson  <rth@redhat.com>
5103
5104         PR middle-end/15700
5105         * varasm.c (struct alias_pair): Rename from struct output_def_pair.
5106         (alias_pairs): Rename from output_defs.
5107         (find_decl_and_mark_needed): Split out from assemble_alias.
5108         (do_assemble_alias): New.
5109         (assemble_output_def): Remove.
5110         (finish_aliases_1, finish_aliases_2): New.
5111         (process_pending_assemble_output_defs): Remove.
5112         (assemble_alias): Defer aliases for which we don't yet have a
5113         non-external decl for the target symbol.
5114         * passes.c (rest_of_decl_compilation): Register variables with cgraph.
5115         * cgraphunit.c (cgraph_finalize_compilation_unit): Use finish_aliases_1.
5116         * toplev.c (compile_file): Use finish_aliases_2 instead of
5117         process_pending_assemble_output_defs.
5118         * tree.h (finish_aliases_1, finish_aliases_2): Declare.
5119         (process_pending_assemble_output_defs): Remove.
5120
5121 2005-03-16  Daniel Berlin  <dberlin@dberlin.org>
5122
5123         Fix PR tree-optimization/20489
5124
5125         * tree-ssa-alias.c (push_fields_onto_fieldstack): DTRT
5126         for empty structures.
5127
5128 2005-03-16  Daniel Berlin  <dberlin@dberlin.org>
5129
5130         Fix PR tree-optimization/20490
5131
5132         * tree-ssa-pre.c (create_expression_by_pieces): Use
5133         force_gimple_operand on result of fold.
5134
5135 2005-03-16  Andrew Pinski  <pinskia@physics.uc.edu>
5136
5137         * config/i386/emmintrin.h (_mm_extract_epi16): Correct the number
5138         of closing parenthesis.
5139
5140 2005-03-16  Kazu Hirata  <kazu@cs.umass.edu>
5141
5142         * builtins.c (expand_movstr): Update a call to
5143         fold_builtin_strcpy.
5144         (expand_builtin_strncpy): Update a call to
5145         fold_builtin_strncpy.
5146         (fold_builtin_strcpy, fold_builtin_strncpy): Take decomosed
5147         arguments of CALL_EXPR.
5148         (fold_builtin_1): Update calls to fold_builtin_strcpy and
5149         fold_builtin_strncpy.
5150         * tree-ssa-ccp.c (ccp_fold_builtin): Likewise.
5151         * tree.h: Update the prototypes of fold_builtin_strcpy and
5152         fold_builtin_strncpy.
5153
5154 2005-03-16  Steven Bosscher  <stevenb@suse.de>
5155             Dorit Naishlos  <dorit@il.ibm.com>
5156
5157         * tree-vect-analyze.c (vect_enhance_data_refs_alignment): Copy
5158         UNITS_PER_SIMD_WORD to a local variable to avoid a "division by zero"
5159         error.
5160
5161 2005-03-16  Steven Bosscher  <stevenb@suse.de>
5162
5163         * tree-inline.c (walk_type_fields, walk_tree,
5164         walk_tree_without_duplicates): Move from here...
5165         * tree.c: ...to here.
5166
5167 2005-03-15  Zack Weinberg  <zack@codesourcery.com>
5168
5169         * BASE-VER, DATESTAMP, DEV-PHASE: New files.
5170         * Makefile.in (gcc_version, gcc_version_trigger, ): Delete.
5171         (BASEVER, DEVPHASE, DATESTAMP, BASEVER_c, DEVPHASE_c, DATESTAMP_c)
5172         (BASEVER_s, DEVPHASE_s, DATESTAMP_s): New variables.
5173         (version): Define using $(BASEVER_c).
5174         (Makefile, config.status, build/gcov-iov.o): No longer depends on
5175         version.c.
5176         (version.o): Depend on version files; add custom generation command.
5177         (prefix.o): Define BASEVER on command line.
5178         (s-iov): Depend on version files; adjust command.
5179         (TEXI_CPP_FILES, TEX_IGCC_FILES, TEXI_GCCINT_FILES, TEXI_CPPINT_FILES):
5180         Add gcc-vers.texi.
5181         (gcc-vers.texi): New rule.
5182         (doc/%.info, doc/%.dvi): Add -I . to command line.
5183         (doc/gccinstall.dvi): Likewise.
5184         (PACKAGE): Delete.  All uses replaced with "gcc".
5185         * aclocal.m4: Do not include gcc-version.m4.
5186         * configure.ac: Do not invoke TL_AC_GCC_VERSION.
5187         Do not AC_SUBST nor AC_DEFINE PACKAGE or VERSION.
5188         Set is_release based on contents of DEV-PHASE.
5189         Set gcc_version based on contents of BASE-VER.
5190         Define WIN32_REGISTRY_KEY only if the user overrode the default.
5191         * config.in, configure: Regenerate.
5192         * gccbug.in: Determine version of GCC in use at runtime.
5193         * gcov-iov.c: Get version number and development phase from
5194         command line, not by including version.c.
5195         * intl.c: Replace all uses of PACKAGE with "gcc".
5196         * libada-mk.in: Delete unused "gcc_version" variable.
5197         * prefix.c: Default WIN32_REGISTRY_KEY to BASEVER.
5198         * version.c: (VERSUFFIX): New hook for redistributors; adjust
5199         commentary to match.
5200         (version_string): Put together from pieces.
5201         * config/alpha/x-vms: Do not use $(gcc_version).
5202         * config/i386/t-nwld: Likewise.
5203         * doc/include/gcc-common.texi: Include gcc-vers.texi for
5204         version-GCC and DEVELOPMENT.
5205
5206 2005-03-15  Roger Sayle  <roger@eyesopen.com>
5207
5208         PR tree-optimization/17454
5209         * tree.c (tree_size): Add case for TREE_BINFO.
5210         * fold-const.c (fold_checksum_tree): Only clear the overloaded
5211         field TYPE_CACHED_VALUES if TYPE_CACHED_VALUES_P is set.
5212
5213 2005-03-15  Roger Sayle  <roger@eyesopen.com>
5214
5215         * optabs.c (expand_doubleword_mult): Avoid clobbering op0 and
5216         op1 whilst expanding the signed widenening multiply variant.
5217
5218 2005-03-15  Richard Sandiford  <rsandifo@redhat.com>
5219
5220         * toplev.c (display_target_options): Avoid unused variable warning if
5221         TARGET_SWITCHES and TARGET_OPTIONS are both undefined.
5222         * config/mips/mips.c (mips_arch_string, mips_tune_string): Make static.
5223         (mips_isa_string, mips_abi_string, mips_fix_vr4130_string): Delete.
5224         (mips_isa): Initialize to MIPS_ABI_DEFAULT.
5225         (mips_isa_info): New variable.
5226         (mips_parse_cpu): Remove the first argument and leave the caller
5227         to report errors.
5228         (TARGET_HANDLE_OPTION): Override default.
5229         (mips_handle_option): New function.  Move option validation code from...
5230         (override_options): ...here.  Update calls to mips_parse_cpu.
5231         * config/mips/mips.h (mips_arch_string, mips_tune_string)
5232         (mips_isa_string, mips_abi_string, TARGET_OPTIONS)
5233         (SUBTARGET_TARGET_OPTIONS): Delete.
5234         * config/mips/mips.opt (mabi=, march=, mflush-func=, mips)
5235         (mno-flush-func, mtune=): New options.
5236
5237 2005-03-15  Roger Sayle  <roger@eyesopen.com>
5238             Richard Henderson  <rth@redhat.com>
5239
5240         * real.c (c4x_single_format, c4x_extended_format): Provide values
5241         for signbit_ro for c4x's single and extended floating point formats.
5242         * optabs.c (expand_copysign): Use the floating point format's
5243         signbit_ro for expanding via expand_copysign_absneg, and it's
5244         signbit_rw field for expanding via expand_copysign_bit.
5245
5246 2005-03-15  Dorit Naishlos  <dorit@il.ibm.com>
5247
5248         * tree-vectorizer.h (unknown_alignment_for_access_p): Replaced by
5249         known_alignment_for_access_p.
5250         (known_alignment_for_access_p): New.
5251         (do_peeling_for_alignment): Field made int instead of bool and renamed
5252         to peeling_for_alignment.
5253         (LOOP_DO_PEELING_FOR_ALIGNMENT): Renamed to LOOP_PEELING_FOR_ALIGNMENT.
5254         * tree-vect-analyze.c (vect_determine_vectorization_factor): New. This
5255         functionality used to be in vect_analyze_operations.
5256         (vect_analyze_operations): Code to determine vectorization factor was
5257         moved to vect_determine_vectorization_factor.
5258         (vect_enhance_data_refs_alignment): Update to correct alignment when it
5259         is known instead of -1.  Set LOOP_PEELING_FOR_ALIGNMENT to peeling
5260         factor.
5261         (vect_analyze_loop): Call vect_determine_vectorization_factor (used to
5262         be part of vect_analyze_operations).
5263         * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Use fold when
5264         creating the guard condition, as the number of iterations may be
5265         constant.
5266         (slpeel_tree_peel_loop_to_edge): Use new name of
5267         LOOP_DO_PEELING_FOR_ALIGNMENT. Set it to 0 instead of false.
5268         * tree-vect-transform.c (vect_gen_niters_for_prolog_loop): Handle known
5269         alignment case more efficiently. Use LOOP_PEELING_FOR_ALIGNMENT.
5270         (vect_do_peeling_for_alignment): Use fold.
5271         (vect_transform_loop): Use new name of LOOP_DO_PEELING_FOR_ALIGNMENT.
5272
5273         (vect_update_inits_of_dr): Renamed to
5274         vect_update_init_of_dr.
5275         (vect_update_inits_of_drs): Use new name of vect_update_inits_of_dr.
5276         (vectorizable_store): Fix assertion to use == instead of =.
5277
5278 2005-03-15  Daniel Jacobowitz  <dan@codesourcery.com>
5279
5280         * config/arm/arm.h (CONDITIONAL_REGISTER_USAGE): Don't clear
5281         call_used_regs for wCG registers.
5282
5283 2005-03-15  Ulrich Weigand  <uweigand@de.ibm.com>
5284
5285         * config/s390/s390.c (s390_secondary_output_reload_class): Adapt check
5286         for non-offsettable memory references to cope with outstanding reload
5287         replacements, take 2.
5288
5289 2005-03-15  Uros Bizjak  <uros@kss-loka.si>
5290
5291         PR target/18668
5292         * config/i386/i386.h (x86_fisttp): New.
5293         (TARGET_FISTTP): New macro.
5294         * config/i386/i386.c (x86_fisttp): Set for NOCONA.
5295         (output_fix_trunc): Add fisttp parameter.  Generate fisttp x87
5296         instruction when fisttp flag is set.
5297         * config/i386/i386-protos.h (output_fix_trunc): Change declaration.
5298
5299         * config/i386/i386.md (type attribute): Add fisttp.
5300         (unit attribute): Set to i387 for fisttp type.
5301         (X87MODEF, X87MODEI, SSEMODEF, SSEMODEI24): New mode macros.
5302         (fix_truncxfdi2, fix_truncxfsi2): Generate fisttp patterns for
5303         TARGET_FISTTP.
5304         (fix_truncdfdi2, fix_truncsfdi2, fix_truncdfsi2, fix_truncsfsi2):
5305         Generate fisttp patterns for TARGET_FISTTP. Implement using mode
5306         macros.
5307         (fix_truncxfhi2, fix_truncdfhi2, fix_truncsfhi2): Generate fisttp
5308         patterns for TARGET_FISTTP.  Enable patterns for
5309         (TARGET_FISTTP && !TARGET_SSE_MATH). Implement using mode macros.
5310         (fix_trunc<mode>_i387_fisttp_1, fix_trunc<mode>_i387_fisttp,
5311         fix_trunc<mode>_i387_fisttp_with_temp): New instruction patterns to
5312         implement fisttp x87 insn.
5313         (fix_trunc*_i387_fisttp splitters): New patterns.
5314         (*fix_truncdi_i387, *fix_truncsi_i387, *fix_trunchi_i387):
5315         Rename to *fix_trunc<mode>_i387_1.  Implement using mode macros.
5316         Disable patterns for TARGET_FISTTP.  Add comment about FLAGS_REG
5317         clobber.
5318         (fix_truncdi_memory, fix_truncdi_nomemory, fix_trunchi_nomemory):
5319         Rename to fix_trunc<mode>_i387 and fix_trunc<mode>_i387_with_temp.
5320         Implement using mode macros. Disable patterns for TARGET_FISTTP.
5321         (fix_truncsi_memory, fix_truncsi_nomemory, fix_trunchi_memory,
5322         fix_trunchi_nomemory): Rename to fix_trunc<mode>_i387 and
5323         fix_trunc<mode>_i387_with_temp. Implement using mode macros.
5324         Disable patterns for TARGET_FISTTP.
5325         (fix_trunc*_i387 splitters): Implement usign mode macros.
5326         (fix_truncdfdi_sse, fix_truncsfdi_sse, fix_truncdfsi_sse,
5327         fix_truncsfsi_sse): Disable for (TARGET_FISTTP && !TARGET_SSE_MATH).
5328         (fix_trunx*_sse peephole2s): Implement using mode macros.
5329
5330 2005-03-15  J"orn Rennecke <joern.rennecke@st.com>
5331
5332         PR rtl-optimization/20291
5333         * combine.c (try_combine): If splitting fails, re-try with
5334         original combined pattern, i.e. before clobber stripping.
5335
5336 2005-03-14  Eric Christopher  <echristo@redhat.com>
5337
5338         * config/mips/mips.h (DWARF_CIE_DATA_ALIGNMENT): Change for
5339         STACK_GROWS_DOWNWARD.
5340
5341 2005-03-14  Roger Sayle  <roger@eyesopen.com>
5342
5343         * real.h (struct real_format): Split the signbit field into two
5344         two fields, signbit_ro and signbit_rw.
5345         * real.c (ieee_single_format, mips_single_format, ieee_double_format,
5346         mips_double_format, ieee_extended_motorola_format,
5347         ieee_extended_intel_96_format, ieee_extended_intel_96_round_53_format,
5348         ieee_extended_intel_128_format, ibm_extended_format,
5349         mips_extended_format, ieee_quad_format, mips_quad_format,
5350         vax_f_format, vax_d_format, vax_g_format, i370_single_format,
5351         i370_double_format, c4x_single_format, c4x_extended_format,
5352         real_internal_format): Update initializers for new field.
5353         * builtins.c (expand_builtin_signbit): Use signbit_ro field of the
5354         real_format structure.
5355         * optabs.c (expand_absneg_bit, expand_copysign): Use signbit_rw
5356         field of the real_format structure.
5357
5358 2005-03-14  Daniel Berlin <dberlin@dberlin.org>
5359
5360         Fix PR tree-optimization/20458
5361
5362         * tree-flow-inline.h (mark_call_clobbered): Don't fiddle
5363         DECL_EXTERNAL on STRUCT_FIELD tags.
5364         (clear_call_clobbered): Ditto.
5365         * tree-ssa-operands.c (note_addressable): Make sure the original
5366         variable doesn't slip into the addressable list if we have
5367         subvars.
5368         * tree-tailcall.c (suitable_for_tail_opt_p): Look at STRUCT_FIELD
5369         tags too.
5370
5371 2005-03-14  Geoffrey Keating  <geoffk@apple.com>
5372
5373         * doc/cppopts.texi (-fexec-charset): Add concept index entry.
5374         (-fwide-exec-charset): Likewise.
5375         (-finput-charset): Likewise.
5376         * doc/invoke.texi (Warning Options): Document -Wnormalized=.
5377         * c-opts.c (c_common_handle_option): Handle -Wnormalized=.
5378         * c.opt (Wnormalized): New.
5379
5380 2005-03-14  Devang Patel  <dpatel@apple.com>
5381
5382         * doc/invoke.texi: Add reference to Visibility document.
5383
5384 2005-03-14  Richard Sandiford  <rsandifo@redhat.com>
5385
5386         * config.gcc (mips*-*-*): Rename MASK_SPLIT_ADDRS to
5387         MASK_SPLIT_ADDRESSES.
5388         * config/mips/mips.h (target_flags, mips_fix_vr4130_string): Delete.
5389         (MASK_INT64, MASK_LONG64, MASK_SPLIT_ADDR, MASK_NO_FUSED_MADD)
5390         (MASK_EXPLICIT_RELOCS, MASK_MEMCPY, MASK_SOFT_FLOAT)
5391         (MASK_FLOAT64, MASK_ABICALLS, MASK_XGOT, MASK_LONG_CALLS)
5392         (MASK_64BIT, MASK_EMBEDDED_DATA, MASK_BIG_ENDIAN)
5393         (MASK_SINGLE_FLOAT, MASK_MAD, MASK_4300_MUL_FIX, MASK_MIPS16)
5394         (MASK_NO_CHECK_ZERO_DIV, MASK_BRANCHLIKELY)
5395         (MASK_UNINIT_CONST_IN_RODATA, MASK_FIX_R4000, MASK_FIX_R4400)
5396         (MASK_FIX_SB1, MASK_FIX_VR4120, MASK_VR4130_ALIGN)
5397         (MASK_FP_EXCEPTIONS, MASK_DIVIDE_BREAKS, MASK_PAIRED_SINGLE)
5398         (MASK_MIPS3D, MASK_SYM32, MASK_DEBUG, MASK_DEBUG_D)
5399         (MASK_MIPS_TFILE, TARGET_INT64, TARGET_LONG64, TARGET_FLOAT64)
5400         (TARGET_64BIT, TARGET_SPLIT_ADDRESSES, TARGET_DEBUG_MODE)
5401         (TARGET_DEBUG_D_MODE, TARGET_MEMCPY, TARGET_ABICALLS)
5402         (TARGET_XGOT, TARGET_SOFT_FLOAT, TARGET_HARD_FLOAT)
5403         (TARGET_LONG_CALLS, TARGET_EMBEDDED_DATA)
5404         (TARGET_UNINIT_CONST_IN_RODATA, TARGET_BIG_ENDIAN)
5405         (TARGET_SINGLE_FLOAT, TARGET_DOUBLE_FLOAT, TARGET_MAD)
5406         (TARGET_FUSED_MADD, TARGET_4300_MUL_FIX, TARGET_CHECK_ZERO_DIV)
5407         (TARGET_DIVIDE_TRAPS, TARGET_BRANCHLIKELY, TARGET_FIX_SB1)
5408         (TARGET_FIX_R4000, TARGET_FIX_R4400, TARGET_FIX_VR4120)
5409         (TARGET_FIX_VR4130, TARGET_VR4130_ALIGN, TARGET_FP_EXCEPTIONS)
5410         (TARGET_PAIRED_SINGLE_FLOAT, TARGET_MIPS3D, TARGET_SYM32)
5411         (TARGET_EXPLICIT_RELOCS): Delete.
5412         (TARGET_SWITCHES, SUBTARGET_TARGET_SWITCHES): Delete.
5413         (TARGET_OPTIONS): Remove entry for -mfix-vr4130.
5414         * config/mips/mips.c (TARGET_DEFAULT_TARGET_FLAGS): Define.
5415         (override_options): Set MASK_LONG64 if -mint64 is given and no
5416         -mlongXX option is.  Complain about -mint64 -mlong32.
5417         (override_options, CMP_BUILTINS, mips_bdesc, sb1_desc): Rename
5418         MASK_PAIRED_SINGLE to MASK_PAIRED_SINGLE_FLOAT.
5419         * config/mips/mips.opt: New file.
5420
5421 2005-03-14  Richard Sandiford  <rsandifo@redhat.com>
5422
5423         * config.gcc (extra_options): New variable for listing option files.
5424         Add ${cpu_type}/${cpu_type}.opt to it if that file exists.
5425         * configure.ac (extra_opt_files): New AC_SUBST variable.
5426         (tm_file_list, tm_include_list): Include options.h first.
5427         * configure: Regenerate.
5428         * Makefile.in (extra_opt_files, ALL_OPT_FILES): New variables.
5429         (s-options): Use $(ALL_OPT_FILES) instead of $(lang_opt_files)
5430         (s-options-h): New rule.
5431         (options.h): Depend on it.
5432         (TEXI_GCCINT_FILES): Add options.texi.
5433         * hooks.h (hook_bool_size_t_constcharptr_int_true): Declare.
5434         * hooks.c (hook_bool_size_t_constcharptr_int_true): New function.
5435         * target.h (gcc_target): Add default_target_flags and handle_option.
5436         * target-def.h (TARGET_DEFAULT_TARGET_FLAGS)
5437         (TARGET_HANDLE_OPTION): New macros.
5438         (TARGET_INITIALIZER): Include them.
5439         * opt-functions.awk (opt_args, nth_arg): New functions.
5440         (switch_flags): Handle the "Target" flag.
5441         (var_args): Delete.
5442         (var_name): Use opt_args and nth_arg.
5443         (var_set, var_ref): Likewise.  Handle "Mask" and "InverseMask".
5444         * opth-gen.awk: Declare target_flags.  Declare MASK_* and TARGET_*
5445         macros for the "Mask" and "InverseMask" options.
5446         * opts.h (cl_var_cond): New enum.
5447         (cl_option): Replace the "has_set_value" and "set_value" fields with
5448         "var_cond" and "var_value".
5449         (CL_TARGET): New macro.
5450         (option_enabled, print_filtered_help): Declare.
5451         (decode_options): Move definition.
5452         * opts.c (handle_option): Search for the original option before
5453         removing any "no-" prefix.  Handle CL_TARGET.  Adjust for the new
5454         var_cond and var_value fields.  Use targetm.handle_option to handle
5455         target options.
5456         (decode_options): Set target_flags to targetm.default_target_flags.
5457         (print_filtered_help): Make global.  Handle CL_TARGET.
5458         (option_enabled): New function.
5459         * toplev.c (target_switches): Guard with #ifdef TARGET_SWITCHES.
5460         (display_target_options, set_target_switch, print_switch_values)
5461         (default_pch_valid_p): Guard uses of target_switches with
5462         #ifdef TARGET_SWITCHES.  Also...
5463         (display_target_options): Display the CL_TARGET entries in cl_options.
5464         (set_target_option): Don't complain about the "" option when
5465         TARGET_SWITCHES is undefined.
5466         (print_switch_values): Use option_enabled.
5467         (default_pch_valid_p): Check cl_options[] when looking for something
5468         that has changed the value of target_flags.
5469         * c.opt: Remove documentation from top of file.
5470         * doc/gccint.texi: Add an "Options" chapter.  Include options.texi.
5471         * doc/sourecebuild.texi: Refer to the new options documentation
5472         instead of c.opt.  Document machine-specific .opt files.
5473         * doc/tm.texi (target_flags): Say that this variable is declared
5474         by options.h.
5475         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Document.
5476         (TARGET_SWITCHES, TARGET_OPTIONS): Refer to the option files as
5477         an alternative.
5478         * doc/options.texi: New file.
5479
5480 2005-03-14  Alexandre Oliva  <aoliva@redhat.com>
5481
5482         PR middle-end/18628
5483         * cse.c (fold_rtx_mem): Don't fold a load from a jumptable into a
5484         register.
5485
5486 2005-03-14  Alexandre Oliva  <aoliva@redhat.com>
5487
5488         PR c++/20280
5489         * gimplify.c (gimplify_cond_expr): Add fallback argument.  Use a
5490         temporary variable of pointer type if an lvalues is required.
5491         (gimplify_modify_expr_rhs): Request an rvalue from it.
5492         (gimplify_expr): Pass fallback on.
5493
5494 2005-03-14  Kazu Hirata  <kazu@cs.umass.edu>
5495
5496         * cfgbuild.c: Update comments.
5497
5498 2005-03-14  Roger Sayle  <roger@eyesopen.com>
5499
5500         PR rtl-optimization/17236
5501         * optabs.c (expand_doubleword_mult): New helper function split out
5502         from expand_binop.  Permute the order in which instructions are
5503         emitted to minimize the number of simultaneously live registers.
5504         (expand_binop): Call expand_doubleword_mult to synthesize a double
5505         word multiplication.
5506
5507 2005-03-14  Kazu Hirata  <kazu@cs.umass.edu>
5508
5509         * basic-block.h: Update the prototypes of cached_make_edge and
5510         rtl_make_eh_edge.
5511         * cfg.c (cached_make_edge): Take edge_cache representing one
5512         row of the adjacency matrix of edges.
5513         * cfgbuild.c (make_label_edge, rtl_make_eh_edge): Likewise.
5514         (make_edges): Initialize edge_cache to represent one row of
5515         the adjacency matrix of edges.
5516
5517 2005-03-14  Zdenek Dvorak  <dvorakz@suse.cz>
5518
5519         * tree-ssa-phiopt.c (minmax_replacement, blocks_in_phiopt_order):
5520         New functions.
5521         (tree_ssa_phiopt): Use blocks_in_phiopt_order and minmax_replacement.
5522         Remove unused removed_phis variable.
5523         (conditional_replacement): Use build1/build2.
5524         (abs_replacement): Use last_and_only_stmt and build1/build2.
5525
5526 2005-03-14  Zdenek Dvorak  <dvorakz@suse.cz>
5527
5528         * builtin-attrs.def (ATTR_NOVOPS, ATTR_NOVOPS_LIST,
5529         ATTR_PURE_NOTHROW_NOVOPS_LIST): New.
5530         * builtins.def (ATTR_MATHFN_FPROUNDING): Use NOVOPS.
5531         (BUILT_IN_PREFETCH): Set the NOVOPS attribute.
5532         * c-common.c (handle_novops_attribute): New function.
5533         (c_common_attribute_table): Add "no vops" entry.
5534         * c-decl.c (merge_decls): Copy DECL_IS_NOVOPS.
5535         * calls.c (flags_from_decl_or_type): Set ECF_NOVOPS.
5536         * tree-ssa-operands.c (get_call_expr_operands): Do not
5537         create virtual operands for calls with ECF_NOVOPS flag.
5538         * tree.h (DECL_IS_NOVOPS): New macro.
5539         (struct tree_decl): Add novops_flag.
5540         (ECF_NOVOPS): New constant.
5541
5542 2005-03-14  Uros Bizjak  <uros@kss-loka.si>
5543
5544         PR target/17688
5545         * config/i386/i386.c (x86_use_himode_fiop): New.
5546         (x86_use_simode_fiop): Rename from x86_use_fiop.
5547         * config/i386/i386.h (x86_use_himode_fiop): Declare.
5548         (TARGET_USE_HIMODE_FIOP): New.
5549         (x86_use_simode_fiop): Rename from x86_use_fiop.
5550         (TARGET_USE_SIMODE_FIOP): Rename from TARGET_USE_FIOP.
5551
5552         * config/i386/i386.md (X87MODEI12): New mode macro define.
5553         (*cmpfp_<mode>): Rename from *cmpfp_si.  Use X87MODEI12 mode macro
5554         to implement x87 FP compare with HImode input operands.
5555         (*fp_jcc_8<mode>_387, splitter): Rename from *fp_jcc_8_387.
5556         Use X87MODEI12 mode macro to handle HImode input operands.
5557         (*fop_sf_2<mode>_i387, *fop_sf_3<mode>_i387, *fop_df_2<mode>_i387,
5558         *fop_df_3<mode>_i387, *fop_xf_2<mode>_i387, *fop_xf_3<mode>_i387):
5559         Renamed from *fop_sf_2_i387, *fop_sf_3_i387, *fop_df_2_i387,
5560         *fop_df_3_i387, *fop_xf_2_i387, *fop_xf_3_i387. Use X87MODEI12 mode
5561         macro to implement x87 operators with HImode input operands.
5562         (fop splitters): Use X87MODEI12 mode macro to handle HImode
5563         input operands.
5564
5565 2005-03-14  Zdenek Dvorak  <dvorakz@suse.cz>
5566
5567         * tree-cfg.c (find_taken_edge_cond_expr): Use zero_p instead of
5568         integer_zerop.
5569         * tree-gimple.c (is_gimple_min_invariant): Consider overflowed
5570         constants invariant.
5571
5572 2005-03-14  Zdenek Dvorak  <dvorakz@suse.cz>
5573
5574         * basic-block.h (BB_VISITED): Removed.
5575         * cfganal.c (dfs_enumerate_from): Do not use BB_VISITED flag.
5576
5577 2005-03-14  Falk Hueffner  <falk@debian.org>
5578
5579         PR bootstrap/20424
5580         * config/alpha/alpha.c (alpha_fold_builtin_cmpbge): Fix typo.
5581
5582 2005-03-14  Kazu Hirata  <kazu@cs.umass.edu>
5583
5584         * ggc-zone.c: Fix comment typos.
5585
5586         * alloc-pool.c, except.h, ggc-common.c, ggc-zone.c, ggc.h,
5587         stringpool.c, config/mips/mips-protos.h: Update copyright.
5588
5589 2005-03-14  Alan Modra  <amodra@bigpond.net.au>
5590
5591         * config/rs6000/rs6000-protos.h: Replace "struct rtx_def *"
5592         throughout with its typedef, "rtx".
5593         * config/rs6000/rs6000.c: Likewise.  Formatting fixes.
5594         (rs6000_tls_symbol_ref_1): Remove inline keyword.
5595         * config/rs6000/rs6000.h (REG_ALLOC_ORDER): Formatting.  Reorder
5596         regs in comment to match code.
5597
5598 2005-03-14  Kazu Hirata  <kazu@cs.umass.edu>
5599
5600         * except.c (check_handled): Make it static.
5601         * except.h: Remove the corresponding prototype.
5602
5603         * function.c (get_func_frame_size): Make it static.
5604         * function.h: Remove the corresponding type.
5605
5606         * regclass.c (reg_class_superclasses, reg_class_subclasses):
5607         Make them static.
5608         * hard-reg-set.h: Remove the corresponding declarations.
5609
5610         * tree-cfg.c (verify_stmts): Check that
5611         bb_for_stmt (stmt) == bb for every PHI node and statement.
5612
5613 2005-03-14  Alan Modra  <amodra@bigpond.net.au>
5614
5615         * config.gcc: Remove excess indentation.
5616         (powerpc*-*-*, rs6000-*-*): Accept --with-cpu/tune power5 and 8548.
5617
5618 2005-03-13  Roger Sayle  <roger@eyesopen.com>
5619
5620         PR middle-end/19331
5621         * tree.c (get_unwidened): Treat CONVERT_EXPR and NOP_EXPR identically.
5622         * fold-const.c (fold_sign_changed_comparison): Likewise.
5623         (fold_binary): Optimize comparisons against widened operands if
5624         the extension is represented by a CONVERT_EXPR, same as a NOP_EXPR.
5625
5626 2005-03-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
5627
5628         * config/sparc/sparc.c (struct_value_alias_set): New global variable.
5629         (sparc_override_options): Initialize it.
5630         (sparc_struct_value_rtx): Set it on the MEM to be returned.
5631
5632 2005-03-13  David Edelsohn  <edelsohn@gnu.org>
5633
5634         * config/rs6000/predicates.md (mem_or_easy_const_operand): Delete.
5635         (reg_or_none500mem_operand): New predicate.
5636         (zero_reg_mem_operand): New predicate.
5637         * config/rs6000/rs6000.md (extendsfdf2): Change operand1 predicate
5638         to reg_or_none500mem_operand.
5639         (extendsfdf2_fpr): Add MEM alternative.
5640         (extenddftf2_internal): Change operand2 predicate to
5641         zero_reg_mem_operand.
5642
5643 2005-03-13  Daniel Jacobowitz  <dan@codesourcery.com>
5644
5645         * ggc-zone.c: Rewritten.
5646
5647         * alloc-pool.c (dump_alloc_pool_statistics): Don't print statistics
5648         if there are none.
5649         * configure.ac: Define GGC_ZONE for --with-gc=zone.
5650         * config.in: Regenerated.
5651         * configure: Regenerated.
5652         * gengtype.c (write_types_process_field, write_func_for_structure):
5653         Pass new argument to gt_pch_note_object.
5654         * ggc-common.c (struct ptr_data): Add TYPE.
5655         (gt_pch_note_object): Take TYPE argument and save it.
5656         (call_count): Update call to ggc_pch_count_object.
5657         (call_alloc): Update call to ggc_pch_alloc_object.
5658         (gt_pch_save): Call ggc_pch_prepare_write after paddng the PCH
5659         file.
5660         * ggc-none.c (rtl_zone, garbage_zone, ggc_alloc_zone_stat): Delete.
5661         * ggc-page.c (rtl_zone, tree_zone, garbage_zone)
5662         (ggc_alloc_zone_stat): Delete.
5663         (ggc_pch_count_object, ggc_pch_alloc_object): Add TYPE argument.
5664         * ggc.h (gt_pch_note_object, ggc_pch_count_object)
5665         (ggc_pch_alloc_object): Update prototypes.
5666         (garbage_zone): Delete.
5667         (tree_zone, rtl_zone, ggc_alloc_zone_stat, ggc_alloc_zone): Move to
5668         GGC_ZONE conditional.  Update.  Change tree_zone and rtl_zone into
5669         pointers.
5670         (tree_id_zone): New variable.
5671         (ggc_alloc_cleared_zone): Remove unused.
5672         (ggc_alloc_zone): Define.
5673         (ggc_alloc_rtvec, ggc_alloc_tree): Update to use ggc_alloc_zone.
5674         * rtl.c (rtx_alloc_stat, shallow_copy_rtx_stat): Use
5675         ggc_alloc_zone_stat.
5676         * stringpool.c (gt_pch_n_S): Update call to gt_pch_note_object.
5677         * tree.c (copy_node_stat, make_tree_binfo_stat, make_tree_vec_stat)
5678         (tree_cons_stat, build1_stat): Update call to ggc_alloc_zone_stat.
5679         (make_node_stat): Likewise.  Use tree_id_zone.
5680
5681 2005-03-13  Daniel Jacobowitz  <dan@codesourcery.com>
5682             Joseph S. Myers  <joseph@codesourcery.com>
5683
5684         * configure.ac: Check for MIPS TLS.
5685         * configure: Regenerated.
5686         * config/mips/mips-protos.h (enum mips_symbol_type): Add
5687         SYMBOL_TLS, SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL,
5688         SYMBOL_GOTTPREL, and SYMBOL_TPREL.
5689         * config/mips/mips.c (mips_regno_to_class): Handle V1_REG.
5690         (TARGET_HAVE_TLS, TARGET_CANNOT_FORCE_CONST_MEM): Define.
5691         (mips_classify_symbol, mips_symbolic_constant_p)
5692         (mips_symbolic_address_p, mips_symbol_insns): Handle TLS symbols.
5693         (mips_tls_operand_p, mips_call_tls_get_addr)
5694         (mips_legitimize_tls_address, mips_cannot_force_const_mem)
5695         (mips_tls_symbol_ref_1): New functions.
5696         (mips_legitimize_address, mips_legitimize_const_move): Call
5697         mips_legitimize_tls_address.
5698         (override_options): Handle V1_REG and TLS symbols.  Disable TLS
5699         for MIPS16.
5700         * config/mips/mips.h (enum reg_class, REG_CLASS_NAMES)
5701         (REG_CLASS_CONTENTS, GR_REG_CLASS_P): Include V1_REG.
5702         (mips_char_to_class): Document V1_REG.
5703         (HAVE_AS_TLS): Provide default.
5704         * config/mips/mips.md (UNSPEC_TLS_LDM, UNSPEC_TLS_GET_TP): New
5705         constants.
5706         (load_got<mode>): Renamed from *load_got<mode>.  Allow when
5707         !TARGET_ABICALLS.
5708         (tls_get_tp_<mode>): New instruction.
5709
5710 2005-03-13  Daniel Jacobowitz  <dan@codesourcery.com>
5711
5712         * configure.ac: Update checks for target tools.
5713         * configure: Regenerated.
5714
5715 2005-03-13  Daniel Jacobowitz  <dan@codesourcery.com>
5716
5717         * varasm.c (decl_tls_model): Check flag_shlib instead of flag_pic.
5718
5719 2005-03-13  Roger Sayle  <roger@eyesopen.com>
5720
5721         * expmed.c (expand_mult): Use synthetic multiplication sequences for
5722         more classes of DImode multiplication by constant.  Allow both
5723         multiplication by small negative constants (by performing a
5724         multiplication by a positive constant and negating the result) and
5725         multiplications by large powers of two, by using a left shift.
5726
5727 2005-03-13  Kazu Hirata  <kazu@cs.umass.edu>
5728
5729         * tree-into-ssa.c (find_idf): Speed up by putting the indexes
5730         of basic blocks into work_stack.
5731
5732         * builtin-attrs.def, c-lex.c, c-pragma.h, reg-stack.c,
5733         config/mips/vr.h: Update copyright.
5734
5735         * c-decl.c (c_init_decl_processing): Remove useless calls to
5736         build_function_type.
5737
5738         * builtins.c (fold_trunc_transparent_mathfn,
5739         fold_fixed_mathfn, fold_builtin_atan, fold_builtin_trunc,
5740         fold_builtin_floor, fold_builtin_ceil, fold_builtin_round,
5741         fold_builtin_lround, fold_builtin_bitop, fold_builtin_memcpy,
5742         fold_builtin_strcpy, fold_builtin_strncpy,
5743         fold_builtin_signbit): Use TYPE (TYPE (fndecl)) instead of
5744         TREE_TYPE (exp).
5745
5746         * builtins.c (expand_builtin_mathfn_3): Remove local variable
5747         before_call.
5748
5749         * lambda-code.c (lambda_compute_auxillary_space): Remove local
5750         variable determinant.
5751
5752         * tree-cfg.c (group_case_labels): Remove local variable type.
5753
5754         * tree-ssa-live.c (build_tree_conflict_graph): Remove local
5755         variable ann.
5756
5757         * tree-ssa-phiopt.c (value_replacement): Remove local variable
5758         result.
5759
5760 2005-03-13  Andy Hutchinson  <HutchinsonAndy@netscape.net>
5761
5762         PR target/18251
5763         * config/avr/avr.md (movmemhi): Rewrite as RTL loop.
5764         (*movmemqi_insn): Delete.
5765         (*movmemhi): Delete.
5766
5767 2005-03-13  Kazu Hirata  <kazu@cs.umass.edu>
5768
5769         * builtins.c (fold_builtin_classify): Take decomposed
5770         arguments of CALL_EXPR.
5771         (fold_builtin_1): Update a call to fold_builtin_classify.
5772
5773 2005-03-13  Joseph S. Myers  <joseph@codesourcery.com>
5774
5775         PR c/20402
5776         * c-parser.c (c_parser_struct_or_union_specifier): Don't fall
5777         through into call to parser_xref_tag after parse error.
5778         (c_parser_struct_declaration): Consistently return NULL_TREE on
5779         error.
5780
5781 2005-03-12  Daniel Berlin  <dberlin@dberlin.org>
5782
5783         * tree-flow-inline.h (ref_contains_array_ref): New function.
5784         (lookup_subvars_for_var): Ditto.
5785         (get_subvars_for_var): Ditto.
5786         (var_can_have_subvars): Ditto.
5787
5788         * tree-flow.h (mem_tag_kind): Add STRUCT_FIELD.
5789         (struct subvar): New type.
5790
5791         * tree-dfa.c (okay_component_ref_for_subvars): New function.
5792
5793         * tree-optimize.c (init_tree_optimization_passes): Call
5794         pass_create_structure_vars.
5795
5796         * tree-ssa-alias.c: Include vec.h.
5797         (init_alias_info): Don't auto-clear call clobbered on struct-field
5798         tags.
5799         (compute_flow_insensitive_aliasing): Handle subvars.
5800         (group_aliases): Handle STRUCT_FIELD aliases.
5801         (setup_pointers_and_addressables): Ditto.
5802         Don't mark variables non-addressable if they still have
5803         addressable subvars.
5804         Also mark subvars addressable when the real variable is marked
5805         addressable.
5806         (add_pointed_to_var): Try to prune the pointed-to set by only
5807         pointing to subvars when possible.
5808         Otherwise, make sure we set addresses_needed and pt_vars to
5809         properly include subvars.
5810         (bitpos_of_field): New function.
5811         (push_fields_onto_fieldstack): Ditto.
5812         (get_or_create_used_part_for): Ditto.
5813         (create_overlap_variables_for): Ditto.
5814         (find_used_portions): Ditto.
5815         (create_structure_vars): Ditto.
5816         (pass_create_structure_vars): New structure.
5817
5818         * tree-ssa-operands.c (finalize_ssa_v_must_defs): Remove assert.
5819         (get_expr_operands): Handle subvars.  Also try to turn
5820         COMPONENT_REF accesses into must-defs now that we can accurately
5821         portray it.
5822         (note_addressable): Try to only mark as addressable those subvars
5823         we know a COMPONENT_REF touches.
5824         (overlap_subvar): New function.
5825
5826         * tree-vect-analyze.c (vect_object_analysis): Add new parameter.
5827         Handle subvar storing.
5828         (vect_address_analysis): Update caller of vect_object_analysis.
5829
5830         * tree-vect-transform.c (vect_create_data_ref_ptr): Copy subvars.
5831
5832         * tree-vectorizer.h (struct _stmt_vec_info): Add subvars member.
5833         (STMT_VINFO_SUBVARS): New macro.
5834
5835         * common.opts: add flag_tree_salias.
5836
5837         * opts.c (decode_options): flag_tree_salias defaults to on.
5838
5839         * doc/invoke.texi: Document fdump-tree-svars and -ftree-salias.
5840
5841         * doc/tree-ssa.texi: Document structural alias analysis.
5842
5843 2005-03-12  Steven Bosscher  <stevenb@suse.de>
5844
5845         * tree-cfg.c (make_goto_expr_edges): Don't use error_mark_node.
5846         * tree-ssa-dce.c (mark_stmt_necessary): Don't check for it.
5847         * tree-ssa-operands.c (get_expr_operands): Likewise.
5848         (get_expr_operands): Likewise for ERROR_MARK.
5849
5850 2005-03-12  Kazu Hirata  <kazu@cs.umass.edu>
5851
5852         * tree-ssa.c (kill_redundant_phi_nodes): Remove local variable
5853         var.
5854
5855         * tree-ssa-phiopt.c (tree_ssa_phiopt): Remove local variable
5856         removed_phis.
5857
5858         * tree-ssa-pre.c (compute_avail): Remove local variable val.
5859         (mark_operand_necessary): Remove local variable ver.
5860
5861         * tree-vect-transform.c (vect_get_new_vect_var): Remove local
5862         variable prefix_len.
5863
5864         * value-prof.c (mod_subtract_transform): Remove local variable
5865         value.
5866
5867         * builtins.c (fold_builtin_exponent): Take decomposed
5868         arguments of CALL_EXPR.
5869         (fold_builtin_1): Update a call to fold_builtin_exponent.
5870
5871         * builtins.c (fold_builtin_logarithm): Take decomposed
5872         arguments of CALL_EXPR.
5873         (fold_builtin_1): Update a call to fold_builtin_logarithm.
5874
5875         * c-decl.c (c_init_decl_processing): Remove local variables
5876         ptr_ftype_void and ptr_ftype_ptr.
5877
5878         * gimplify.c (gimplify_expr): Remove local variables r0 and
5879         r1.
5880
5881         * reg-stack.c (move_for_stack_reg): Remove local variable
5882         push_insn.
5883         (compare_for_stack_reg): Remove local variable flags_user.
5884         (convert_regs_1): Remove local variable deleted.
5885
5886         * tree-if-conv.c (tree_if_convert_cond_expr): Remove local
5887         variable new_cond.
5888         (combine_blocks): Remove local variables exits and new_e.
5889
5890         * tree-inline.c (expand_call_inline): Remove local variable
5891         decl.
5892
5893         * tree-ssa-live.c (create_ssa_var_map,
5894         calculate_live_on_entry): Remove local variable snn.
5895
5896 2005-03-12  Geoffrey Keating  <geoffk@apple.com>
5897
5898         * c-lex.c (c_lex_with_flags): Add parameter to call to
5899         cpp_spell_token.
5900
5901 2005-03-11  Per Bothner  <per@bothner.com>
5902
5903         * c-tree.h (struct c_declarator): New id_loc field.
5904         * c-pragma.h (c_lex_with_flags): Take position reference.
5905         * c-lex.c (c_lex_with_flags): Set passed-in location from cpp token,
5906         iff USE_MAPPED_LOCATION. (Type doesn't match otherwise.)
5907         (c_lex): Pass dummy location to c_lex_with_flags.
5908         * c-parser.c (c_lex_one_token): Set c_token's location using
5909         c_lex_with_flags, instead of input_location, which might be "ahead".
5910         (c_parser_direct_declarator): Set declarator's id_loc from
5911         c_token's id_loc.
5912         * c-decl.c (grokdeclarator): Set DECL_SOURCE_LOCATION from
5913         declarator's id_loc, rather than probably-imprecise input_location.
5914         (build_id_declarator): Initialize c_declarator's id_loc field.
5915
5916 2005-03-11  Roger Sayle  <roger@eyesopen.com>
5917
5918         PR middle-end/20419
5919         * builtins.c (expand_builtin_signbit): Force the signbit's word
5920         into an integer register to avoid SUBREGs of floating point modes.
5921
5922 2005-03-12  Kazu Hirata  <kazu@cs.umass.edu>
5923
5924         * cfglayout.c, loop-doloop.c, profile.c, target-def.h,
5925         target.h, targhooks.c, tracer.c, tree-ssa-loop-ch.c,
5926         tree-ssa-loop-unswitch.c, tree-ssa-loop.c, vec.c, vmsdbgout.c,
5927         config/m32r/m32r.md, config/xtensa/xtensa.h: Update copyright.
5928
5929 2005-03-11  David Edelsohn  <edelsohn@gnu.org>
5930
5931         PR rtl-optimization/20306
5932         * expr.c (emit_move_complex): Set try_int false if mode is
5933         MODE_COMPLEX_FLOAT and mov_optab exists for inner mode.  Only try
5934         emit_block_move if try_int is true.
5935
5936 2005-03-11  Richard Henderson  <rth@redhat.com>
5937
5938         PR target/20415
5939         * config/i386/mmx.md (vec_dupv4hi): Fix predicate.
5940         * config/i386/i386.c (ix86_expand_vector_init_duplicate): Update
5941         to match.
5942
5943 2005-03-11  Richard Sandiford  <rsandifo@redhat.com>
5944
5945         * config/mips/mips.h (mips_fix_vr4130_string): Declare.
5946         (TARGET_FIX_VR4130): New macro.
5947         (TARGET_OPTIONS): Add -mfix-vr4130.
5948         (ISA_HAS_MACCHI): New macro.
5949         (ASM_SPEC): Add -mfix-vr4130.
5950         * config/mips/mips.c (mips_fix_vr4130_string): New variable.
5951         (override_options): Handle mips_fix_vr4130_string.
5952         (mips_avoid_hazards): Clear all_noreorder_p
5953         if we're working around VR4130 errata and the macc alternatives
5954         are not available.
5955         * config/mips/mips.md (mfhilo_<mode>): Turn into a define_expand.
5956         (*mfhilo_<mode>, *mfhilo_<mode>_macc): New insns.
5957         * config/mips/vr.h (DEFAULT_VR_ARCH): Set to mfix-vr4130.
5958         (MULTILIB_DEFAULTS): Remove leading "march=".
5959         (DRIVER_SELF_SPECS): Likewise.  Make -mfix-vr4130 imply -march=vr4130
5960         if no architecture option is given.
5961         * config/mips/t-vr (MULTILIB_OPTIONS): Use -mfix-vr4130 for the
5962         VR4130 multilibs.
5963         (MULTILIB_MATCHES): Map -march=vr4130 to the -mfix-vr4130 multilibs.
5964         * doc/invoke.texi: Document -mfix-vr4130.
5965
5966 2005-03-11  Richard Sandiford  <rsandifo@redhat.com>
5967
5968         * config/mips/mips.c (override_options): Only warn about -mint64
5969         deprecation if TARGET_INT64.
5970
5971 2005-03-11  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
5972
5973         * builtin-attrs.def (ATTR_NONNULL_LIST, ATTR_NOTHROW_NONNULL,
5974         ATTR_CONST_NOTHROW_NONNULL, ATTR_PURE_NOTHROW_NONNULL,
5975         ATTR_MALLOC_NOTHROW_NONNULL): New "nonnull" attribute lists which
5976         are non-specific regarding the nonnull parameter positions.
5977         (ATTR_NONNULL_1_2, ATTR_NONNULL_1_4, ATTR_NOTHROW_NONNULL_1_2,
5978         ATTR_NOTHROW_NONNULL_1_4, ATTR_CONST_NOTHROW_NONNULL_1,
5979         ATTR_PURE_NOTHROW_NONNULL_1, ATTR_PURE_NOTHROW_NONNULL_1_2,
5980         ATTR_MALLOC_NOTHROW_NONNULL_1): Delete.
5981
5982         * builtins.def: Use the non-specific "nonnull" attibute lists.
5983
5984 2005-03-11  Zdenek Dvorak  <dvorakz@suse.cz>
5985
5986         * basic-block.h (single_succ_p, single_pred_p, single_succ_edge,
5987         single_pred_edge, single_succ, single_pred): Improve comments.
5988
5989 2005-03-11  Zdenek Dvorak  <dvorakz@suse.cz>
5990
5991         * basic-block.h (single_succ_p, single_pred_p, single_succ_edge,
5992         single_pred_edge, single_succ, single_pred): New inline functions.
5993         * bb-reorder.c (rotate_loop, find_traces_1_round,
5994         add_labels_and_missing_jumps, fix_up_fall_thru_edges,
5995         duplicate_computed_gotos): Use the single_succ/pred functions.
5996         * cfganal.c (forwarder_block_p): Ditto.
5997         * cfgbuild.c (compute_outgoing_frequencies): Ditto.
5998         * cfgcleanup.c (try_simplify_condjump, try_forward_edges,
5999         outgoing_edges_match, try_crossjump_to_edge, try_optimize_cfg,
6000         merge_seq_blocks): Ditto.
6001         * cfghooks.c (split_edge, tidy_fallthru_edges): Ditto.
6002         * cfglayout.c (fixup_reorder_chain): Ditto.
6003         * cfgloop.c (mark_single_exit_loops, update_latch_info,
6004         canonicalize_loop_headers, verify_loop_structure): Ditto.
6005         * cfgloopmanip.c (remove_path, unloop, loop_delete_branch_edge,
6006         mfb_update_loops, create_preheader, force_single_succ_latches,
6007         create_loop_notes): Ditto.
6008         * cfgrtl.c (rtl_can_merge_blocks, try_redirect_by_replacing_jump,
6009         force_nonfallthru_and_redirect, rtl_tidy_fallthru_edge,
6010         commit_one_edge_insertion, purge_dead_edges,
6011         cfg_layout_can_merge_blocks_p): Ditto.
6012         * except.c (sjlj_emit_function_enter): Ditto.
6013         * flow.c (init_propagate_block_info): Ditto.
6014         * function.c (thread_prologue_and_epilogue_insns): Ditto.
6015         * gcse.c (find_implicit_sets, bypass_conditional_jumps,
6016         insert_insn_end_bb): Ditto.
6017         * ifcvt.c (merge_if_block, find_if_block, find_if_case_1,
6018         find_if_case_2): Ditto.
6019         * lambda-code.c (perfect_nestify): Ditto.
6020         * lcm.c (optimize_mode_switching): Ditto.
6021         * loop-doloop.c (doloop_modify): Ditto.
6022         * loop-init.c (loop_optimizer_init): Ditto.
6023         * loop-iv.c (simplify_using_initial_values): Ditto.
6024         * loop-unroll.c (unroll_loop_runtime_iterations): Ditto.
6025         * loop-unswitch.c (unswitch_loop): Ditto.
6026         * modulo-sched.c (generate_prolog_epilog): Ditto.
6027         * predict.c (combine_predictions_for_insn, estimate_probability,
6028         tree_estimate_probability, last_basic_block_p,
6029         estimate_bb_frequencies): Ditto.
6030         * profile.c (branch_prob): Ditto.
6031         * regrename.c (copyprop_hardreg_forward): Ditto.
6032         * sched-rgn.c (is_cfg_nonregular, find_rgns, update_live): Ditto.
6033         * tracer.c (layout_superblocks): Ditto.
6034         * tree-cfg.c (tree_can_merge_blocks_p, tree_merge_blocks,
6035         cfg_remove_useless_stmts_bb, cleanup_control_flow,
6036         cleanup_control_expr_graph, disband_implicit_edges,
6037         tree_find_edge_insert_loc, bsi_commit_edge_inserts,
6038         tree_verify_flow_info, tree_make_forwarder_block,
6039         tree_forwarder_block_p, remove_forwarder_block,
6040         remove_forwarder_block_with_phi, merge_phi_nodes): Ditto.
6041         * tree-if-conv.c (tree_if_conversion): Ditto.
6042         * tree-mudflap.c (mf_build_check_statement_for): Ditto.
6043         * tree-ssa-dce.c (remove_dead_stmt): Ditto.
6044         * tree-ssa-dom.c (dom_opt_finalize_block): Ditto.
6045         * tree-ssa-loop-ch.c (should_duplicate_loop_header_p,
6046         copy_loop_headers): Ditto.
6047         * tree-ssa-loop-im.c (loop_commit_inserts): Ditto.
6048         * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Ditto.
6049         * tree-ssa-loop-manip.c (split_loop_exit_edge, ip_normal_pos,
6050         lv_adjust_loop_entry_edge, tree_ssa_loop_version): Ditto.
6051         * tree-ssa-loop-niter.c (simplify_using_initial_conditions): Ditto.
6052         * tree-ssa-loop-unswitch.c (simplify_using_entry_checks): Ditto.
6053         * tree-ssa-phiopt.c (tree_ssa_phiopt, value_replacement): Ditto.
6054         * tree-ssa-pre.c (compute_antic_aux, insert_aux, init_pre): Ditto.
6055         * tree-ssa-threadupdate.c (redirect_edges): Ditto.
6056         * tree-tailcall.c (independent_of_stmt_p, find_tail_calls,
6057         eliminate_tail_call, tree_optimize_tail_calls_1): Ditto.
6058         * tree-vect-analyze.c (vect_analyze_loop_form): Ditto.
6059         * tree-vect-transform.c (vect_update_ivs_after_vectorizer): Ditto.
6060         * tree-vectorizer.c (slpeel_update_phi_nodes_for_guard,
6061         slpeel_add_loop_guard): Ditto.
6062
6063 2005-03-11  James A. Morrison  <phython@gcc.gnu.org>
6064
6065         PR tree-optimization/15784
6066         * fold-const.c (fold): Fold ~A + 1 to -A.  Fold -A - 1
6067         and -1 - A to ~A.
6068
6069         * stmt.c (expand_case): Don't change index_type.  Convert minval
6070         to the proper type.
6071
6072         PR tree-optimization/20130
6073         * fold-const.c (fold): Fold x * -1 into -x.
6074
6075 2005-03-11  Kaz Kojima  <kkojima@gcc.gnu.org>
6076
6077         PR rtl-optimization/20331
6078         * rtlanal.c (modified_between_p): Check its address first for MEM.
6079         (modified_in_p): Likewise.
6080
6081 2005-03-11  Joseph S. Myers  <joseph@codesourcery.com>
6082
6083         * config.gcc (hppa*64*-*-hpux11*): Use pa/t-hpux-shlib.
6084
6085 2005-03-10  Steven Bosscher  <stevenb@suse.de>
6086
6087         * expr.c (expand_expr_real_1): If possible, use a conditional
6088         move for expanding MIN_EXPR and MAX_EXPR.
6089         Use temp for moving around rtx-en.
6090
6091 2005-03-10  Andrew Pinski  <pinskia@physics.uc.edu>
6092
6093         PR rtl-opt/20412
6094         * simplify-rtx.c (simplify_relational_operation_1): Fix typo - check the
6095         correct mode.
6096
6097 2005-03-10  Roger Sayle  <roger@eyesopen.com>
6098
6099         * builtins.c (expand_builtin_signbit): Extend to handle floating
6100         point modes wider than the largest integer type, using the
6101         operand_subword_force function to obtain the signbit's word.
6102
6103 2005-03-10  Jakub Jelinek  <jakub@redhat.com>
6104
6105         PR target/20322
6106         * combine.c (try_combine): If recog_for_combine added CLOBBERs
6107         to NEWI2PAT, fail to combine if they are used by NEWPAT.
6108
6109 2005-03-10  Aldy Hernandez  <aldyh@redhat.com>
6110
6111         * doc/invoke.texi: Add 8540 to list of cpus in rs6000 cpu section.
6112
6113 2005-03-10  Kazu Hirata  <kazu@cs.umass.edu>
6114
6115         * tree-outof-ssa.c (analyze_edges_for_bb): Make the return
6116         type void.
6117         (perform_edge_inserts): Unconditionally call
6118         free_dominator_info.
6119
6120         * tree-outof-ssa.c (analyze_edges_for_bb): Update a comment.
6121
6122 2005-03-10  Bob Wilson  <bob.wilson@acm.org>
6123
6124         * config/xtensa/xtensa.h (MEMBER_TYPE_FORCES_BLK): Define.
6125
6126 2005-03-10  Nathan Sidwell  <nathan@codesourcery.com>
6127
6128         * bitmap.c (bitmap_copy): Remove manual loop unrolling.
6129
6130         * value-prof.c (rtl_find_values_to_profile): Use gcc_assert and
6131         gcc_unreachable.
6132         (rtl_register_value_prof_hooks,
6133         tree_value_profile_transformations,
6134         tree_register_value_prof_hooks): Likewise.
6135         * var-tracking.c (stack_adjust_offset_pre_post,
6136         variable_htab_free, variable_union, dataflow_set_different_2,
6137         count_uses, variable_was_changed, set_frame_base_location,
6138         set_variable_part, emit_note_insn_var_location, vt_emit_notes,
6139         vt_add_function_parameters): Likewise.
6140         * varasm.c (named_section_real, named_section, make_decl_rtl,
6141         asm_emit_uninitialised, assemble_integer, decode_addr_const,
6142         const_hash_1, compare_constant, copy_constant, force_const_mem,
6143         output_constant_pool_2, output_constant_pool_1, output_constant,
6144         output_constructor, make_decl_one_only, decl_tls_model,
6145         default_no_named_section, default_elf_select_section_1,
6146         default_unique_section_1): Likewise.
6147         * vec.c (vec_gc_o_reserve, vec_heap_o_reserve): Likewise.
6148         * vmsdbgout.c (addr_const_to_string): Likewise.
6149
6150         PR c++/20375
6151         * function.c (struct assign_parm_data_one): Remove last_named
6152         field.
6153         (assign_parm_find_data_types): Don't determine last_named.
6154         Reorder named_parm determination.
6155         (assign_parms): Only setup varargs on the last non-varadic
6156         parameter.
6157
6158 2005-03-10  Kazuhiro Inaoka  <inaoka.lazuhiro@renesas.com>
6159
6160         * config/m32r/m32r.md (load_sda_base_32): New pattern.  Loads
6161         sda base address on medium model.
6162
6163 2005-03-10  Zdenek Dvorak  <dvorakz@suse.cz>
6164
6165         * Makefile.in (tree-optimize.o): Add CFGLOOP_H dependence.
6166         * cfgloop.c (flow_loop_nodes_find): Export.
6167         * cfgloop.h (flow_loop_nodes_find, fix_loop_structure):
6168         Declare.
6169         * cfgloopmanip.c (fix_loop_structure): New function.
6170         * predict.c (predict_loops): Clean up the loops information.
6171         * tree-cfg.c (cleanup_tree_cfg_loop): New function.
6172         (tree_can_merge_blocks_p, remove_bb, tree_forwarder_block_p): Respect
6173         loop structure.
6174         * tree-flow.h (cleanup_tree_cfg_loop): Declare.
6175         (rewrite_into_loop_closed_ssa): Declaration changed.
6176         * tree-loop-linear.c (linear_transform_loops): Add argument to
6177         rewrite_into_loop_closed_ssa call.
6178         * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
6179         * tree-ssa-loop-im.c (move_computations): Ditto.
6180         * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
6181         * tree-vectorizer.c (vectorize_loops): Ditto.
6182         * tree-optimize.c: Include cfgloop.h.
6183         (execute_todo): Choose whether to call cleanup_tree_cfg or
6184         cleanup_tree_cfg_loop.
6185         * tree-ssa-loop-ivcanon.c (canonicalize_loop_induction_variables,
6186         (tree_unroll_loops_completely): Enable cleanup_tree_cfg_loop call.
6187         * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Enable
6188         cleanup_tree_cfg_loop call.
6189         * tree-ssa-loop-manip.c (find_uses_to_rename_bb): New function.
6190         (find_uses_to_rename, rewrite_into_loop_closed_ssa): Support
6191         work on part of cfg.
6192
6193 2005-03-10  Jakub Jelinek  <jakub@redhat.com>
6194
6195         PR inline-asm/20314
6196         * gimplify.c (gimplify_asm_expr): Handle input/output constraints
6197         with multiple alternatives.
6198
6199         * stmt.c (parse_output_constraint): Fix a typo.
6200
6201 2005-03-09  Bob Wilson  <bob.wilson@acm.org>
6202
6203         * config/xtensa/xtensa.h (TRAMPOLINE_TEMPLATE): Use "no-transform"
6204         assembly directive instead of deprecated "no-generics".
6205
6206 2005-03-09  Ulrich Weigand  <uweigand@de.ibm.com>
6207
6208         * config/s390/s390.c (s390_secondary_output_reload_class): Adapt check
6209         for non-offsettable memory references to cope with outstanding reload
6210         replacements.
6211         * config/s390/s390.md ("reload_outti"): Call find_replacement to
6212         avoid losing outstanding address reloads.
6213         ("reload_outdi", "reload_outdf"): Likewise.
6214
6215 2005-03-09  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6216
6217         * builtins.c (fold_builtin_cbrt, fold_builtin_pow): Rearrange
6218         code.  Add more cbrt transformations.
6219
6220 2005-03-09  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6221
6222         * fold-const.c (fold_unary_to_constant): Add FIX_ROUND_EXPR case.
6223
6224 2005-03-09  Kazu Hirata  <kazu@cs.umass.edu>
6225
6226         * fold-const.c (fold_unary, fold_binary, fold_ternary): Return
6227         NULL_TREE when a given tree is not simplified.
6228         (fold): Return the original tree when any of the functions
6229         mentioned above NULL_TREE.
6230
6231         * fold-const.c (fold_unary, fold_binary): Take decomposed
6232         arguments, code, type, op0, and op1 in case of fold_binary.
6233         (fold): Update calls to fold_unary and fold_binary.
6234
6235 2005-03-09  Roger Sayle  <roger@eyesopen.com>
6236
6237         * builtins.c (fold_builtin_unordered_cmp): Change prototype to take
6238         a fndecl and an arglist instead of a CALL_EXPR, exp.
6239
6240 2005-03-09  Kazu Hirata  <kazu@cs.umass.edu>
6241
6242         * cfglayout.c (fixup_reorder_chain): Remove old_bb.
6243
6244         * cfgrtl.c (cfg_layout_merge_blocks): Remove new_e.
6245
6246         * expr.c (expand_assignment): Remove orig_to_rtx.
6247
6248         * fold-const.c (int_const_binop): Remove no_overflow.
6249
6250         * ifcvt.c (noce_emit_move_insn): Remove inmode.
6251
6252         * loop-iv.c (get_biv_step_1): Remove lhs.
6253
6254         * loop-unroll.c (analyze_insns_in_loop): Remove preheader.
6255
6256         * real.c (real_nan): Remove neg.
6257
6258         * function.c (thread_prologue_and_epilogue_insns): Remove i
6259         and newinsn.
6260
6261         * tree-data-ref.c (array_base_name_differ_p): Remove ta and
6262         tb.
6263
6264         * tree-eh.c (tree_could_trap_p): Remove idx.
6265
6266         * tree-into-ssa.c (ann): Remove ann.
6267
6268         * tree-outof-ssa.c (num_nodes): Remove num_nodes.
6269
6270         * tree-sra.c (decide_block_copy): Remove inst_count.
6271
6272         * tree-ssa-alias.c (may_alias_p): Remove v_ann.
6273
6274         * tree-ssa-loop-im.c (lhs): Remove.
6275
6276         * cfgbuild.c (state, STATE, SET_STATE,
6277         BLOCK_USED_BY_TABLEJUMP, FULL_STATE): Move just before
6278         make_edges.
6279         (make_edges): Speed up by skipping blocks with BLOCK_ORIGINAL.
6280         (find_basic_blocks): Set the state of each basic block to
6281         BLOCK_NEW.
6282
6283 2005-03-08  Jeff Law  <law@redhat.com>
6284
6285         * tree-cfg.c (cleanup_control_flow): If removal of a computed
6286         goto results in the removal of edges in the CFG, then we need
6287         to recompute dominators.
6288
6289 2005-03-09  Ben Elliston  <bje@au.ibm.com>
6290
6291         * c-common.c (c_do_switch_warnings): Comment fix.
6292
6293 2005-03-08  Julian Brown  <julian@codesourcery.com>
6294
6295         * Patch from 2005-03-08 reverted for causing regressions and
6296         ppc-darwin bootstrap failure.
6297
6298 2005-03-08  Fariborz Jahanian <fjahanian@apple.com>
6299
6300         * config/rs6000/rs6000.c (invalid_arg_for_unprototyped_fn):
6301         Define the real function for ppc-darwin.
6302         * c-typeck.c (convert_arguments): Check for target-specific
6303         invalid argument call to unprototyped function.
6304         * target-def.h (TARGET_INVALID_ARG_FOR_UNPROTOTYPED_FN):
6305         New Macro.
6306         * target.h (invalid_arg_for_unprototyped_fn): New field
6307         in struct calls.
6308         * targhooks.c (hook_invalid_arg_for_unprototyped_fn): New
6309         default target hook.
6310         * targhooks.h (hook_invalid_arg_for_unprototyped_fn):
6311         Declare.
6312
6313 2005-03-08  Kazu Hirata  <kazu@cs.umass.edu>
6314
6315         * c-typeck.c (constructor_stack, constructor_range_stack,
6316         initializer_stack): Make them static.
6317
6318         * cfg.c (rbi_pool): Make it static.
6319
6320         * gimple-low.c (lower_stmt_body): Make it static.
6321         * tree-flow.h: Remove the corresponding prototype.  Don't
6322         declare lower_data.
6323
6324         * sched-deps.c (cache_size): Make it static.
6325
6326         * stor-layout.c (lang_adjust_rli): Make it static.
6327
6328 2005-03-08  Julian Brown  <julian@codesourcery.com>
6329
6330         * config/elfos.h (MAKE_DECL_ONE_ONLY): Redefined to stop DECL_WEAK
6331         from being used for symbols with vague linkage when
6332         HAVE_GAS_COMDAT_GROUP is true.
6333
6334 2005-03-08  J"orn Rennecke <joern.rennecke@st.com>
6335
6336         * jump.c (invert_jump_1): Don't call redirect_jump_1 with
6337         nlabel == JUMP_LABEL (jump).
6338
6339 2005-03-08  Kazu Hirata  <kazu@cs.umass.edu>
6340
6341         * c-common.c, c-opts.c, combine.c, cse.c, dojump.c,
6342         gimplify.c, tree-dfa.c, tree-ssa-loop-ivopts.c,
6343         tree-ssa-phiopt.c, tree-ssa-pre.c, tree-ssa-sink.c,
6344         tree-vect-analyze.c, tree.def, tree.h: Fix comment formatting.
6345
6346 2005-03-08  Alexey Neyman  <alex.neyman@auriga.ru>
6347
6348         PR c/14411
6349         * calls.c (flags_from_decl_or_type): Handle eturns_twice' attribute.
6350         * c-common.c (handle_returns_twice): New function.
6351         (c_common_attribute_table): Declare eturns_twice' attribute.
6352         * doc/extend.texi: Document eturns_twice' attribute.
6353         * tree.h (DECL_IS_RETURNS_TWICE): New macro.
6354         (struct tree_decl): Add returns_twice_flag.
6355
6356 2005-03-08  Kazu Hirata  <kazu@cs.umass.edu>
6357
6358         * tree-ssa-phiopt.c: Fix a comment typo.
6359
6360         * c-semantics.c, cfghooks.c, diagnostic.h, loop-iv.c,
6361         loop-unswitch.c, modulo-sched.c, stor-layout.c, tree-gimple.h,
6362         config/i386/cygwin1.c, doc/cfg.texi, doc/objc.texi: Update
6363         copyright.
6364
6365 2005-03-08  Richard Henderson  <rth@redhat.com>
6366
6367         * config/alpha/alpha.c (code_for_builtin): Replace special-case
6368         builtin codes with ctzdi2, clzdi2, popcountdi2.
6369         (struct alpha_builtin_def): Add is_const.
6370         (zero_arg_builtins, one_arg_builtins, two_arg_builtins): Init it.
6371         (alpha_v8qi_u, alpha_v8qi_s, alpha_v4hi_u, alpha_v4hi_s): New.
6372         (alpha_init_builtins): Init them.  Set nothrow and const attributes
6373         on builtins.
6374         (alpha_fold_builtin_cmpbge, alpha_fold_builtin_zapnot,
6375         alpha_fold_builtin_extxx, alpha_fold_builtin_insxx,
6376         alpha_fold_builtin_mskxx, alpha_fold_builtin_umulh,
6377         alpha_fold_vector_minmax, alpha_fold_builtin_perr,
6378         alpha_fold_builtin_pklb, alpha_fold_builtin_pkwb,
6379         alpha_fold_builtin_unpkbl, alpha_fold_builtin_unpkbw,
6380         alpha_fold_builtin_cttz, alpha_fold_builtin_ctlz,
6381         alpha_fold_builtin_ctpop, alpha_fold_builtin): New.
6382         (TARGET_FOLD_BUILTIN): New.
6383         * config/alpha/alpha.md (UNSPEC_CTTZ): Remove.
6384         (UNSPEC_CTLZ, UNSPEC_CTPOP): Remove.
6385         (ffsdi2): Use ctz.
6386         (cttz, builtin_cttz, builtin_ctlz, builtin_ctpop): Remove.
6387
6388 2005-03-08  Ira Rosen  <irar@il.ibm.com>
6389
6390         PR tree-optimization/20122
6391         * tree-vect-analyze.c (vect_object_analysis): Analyze initial
6392         condition of access function instead of base.
6393
6394 2005-03-07  Jeff Law  <law@redhat.com>
6395             Steven Bosscher  <stevenb@suse.de>
6396
6397         * tree-cfg.c (find_taken_edge_computed_goto): New function.
6398         (find_taken_edge): Call find_taken_edge_computed_goto as
6399         appropriate.  Allow any gimple invariant rather than just
6400         INTEGER_CST for VAL.
6401         (cleanup_control_flow): Cleanup a computed goto which has turned
6402         into a simple goto.
6403         (tree_merge_blocks): If block B has any forced labels, move
6404         them to the start of block A.
6405         * tree-ssa-dom.c (thread_across_edge): Allow threading across
6406         computed gotos as well.
6407         * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Handle
6408         removal of unnecessary computed gotos too.
6409         (lookup_redirection_data): Fix type of INSERT argument.  Callers
6410         updated.
6411
6412 2005-03-08  Kazu Hirata  <kazu@cs.umass.edu>
6413
6414         * tree-ssa-phiopt.c: Update copyright.  Fix indentations.
6415         Remove trailing spaces.
6416
6417         * gimplify.c (gimple_push_bind_expr, gimple_pop_bind_expr,
6418         unshare_all_trees): Make them static.
6419         * tree-gimple.h: Remove the corresponding prototypes.
6420
6421         * diagnostic.h: Remove unused prototype
6422         debug_output_buffer.
6423         * modulo-sched.c: Remove unused prototype
6424         set_row_column_for_ps.
6425
6426         * tree-ssa-phiopt.c (tree_ssa_phiopt,
6427         replace_phi_edge_with_variable): Remove unused variable i.
6428
6429 2005-03-07  Per Bothner  <per@bothner.com>
6430
6431         * tree.h (DECL_IS_BUILTIN): Reverted my patch from earlier today.
6432
6433 2005-03-06  Andrew Pinski  <pinskia@physics.uc.edu>
6434
6435         PR tree-opt/17671
6436         * tree-ssa-phiopt.c (tree_ssa_phiopt): Rewrite so we base the
6437         bbs on the COND_EXPR instead of the PHI_NODEs.
6438         (candidate_bb_for_phi_optimization): Remove.
6439         (replace_phi_with_stmt): Rename to ...
6440         (replace_phi_edge_with_variable): this and change so that we
6441         replace the phi argument instead of removing the PHI.
6442         (conditional_replacement): Change so we deal with PHI with more
6443         than two arguments.
6444         (value_replacement): Likewise.
6445         (abs_replacement): Likewise.
6446
6447 2005-03-07  Aldy Hernandez  <aldyh@redhat.com>
6448
6449         * config/rs6000/rs6000-protos.h: Rename output_e500_flip_eq_bit to
6450         output_e500_flip_gt_bit.
6451
6452         * config/rs6000/rs6000.c (print_operand): case D: Print out bit 31
6453         as bit 31.
6454         (rs6000_generate_compare): Fix logic to look at the correct bits.
6455         (output_e500_flip_eq_bit): Rename to output_e500_flip_gt_bit.
6456         Look at GT bit.
6457         (rs6000_emit_sCOND): Rename gen_e500_flip_eq_bit to
6458         gen_e500_flip_gt_bit.  Rename gen_move_from_CR_eq_bit to
6459         gen_move_from_CR_gt_bit.
6460
6461         * config/rs6000/rs6000.md ("move_from_CR_eq_bit"): Change bit
6462         ("move_from_CR_eq_bit"): Rename to move_from_CR_gt_bit.
6463         (UNSPEC_MV_CR_EQ): Rename to UNSPEC_MV_CR_GT.
6464
6465         * config/rs6000/spe.md ("e500_cr_ior_compare"): New.
6466         (E500_CR_IOR_COMPARE): New constant.
6467
6468 2005-03-08  Earl Chew <earl_chew@agilent.com>
6469             David Billinghurst <David.Billinghurst@riotinto.com>
6470
6471         * config/i386/host-cygwin.c: New file to support precompiled
6472         headers on cygwin
6473         * config/i386/x-cygwin: Use host-cygwin.c on cygwin host
6474         * config.host: Use above files for cygwin host.
6475
6476 2005-03-07  David Edelsohn  <edelsohn@gnu.org>
6477
6478         * fold-const.c (fold_binary_op_with_conditional_arg): Fix typo
6479         ordering ops from earlier change.
6480
6481 2005-03-07  Per Bothner  <per@bothner.com>
6482
6483         Various fixes to allow us to again build if --enable-mapped-location:
6484         * c-decl.c (finish_function): Use SET_EXPR_LOCATION instead of
6485         unavailable annotate_with_file_line, if USE_MAPPED_LOCATION.
6486         * tree-cfg.c (remove_bb): If USE_MAPPED_LOCATION, change type of
6487         local variable loc. Change logic appropriately.
6488         * tree-vect-transform.c (vect_finish_stmt_generation): Use
6489         EXPR_LOCATION rather than EXPR_LOCUS if USE_MAPPED_LOCATION.
6490         * c-parser.c (c_parser_for_statement): Initialize loc variable.
6491         * tree.h (DECL_IS_BUILTIN): Temporarily revert definition of
6492         DECL_IS_BUILTIN in the USE_MAPPED_LOCATION because of jc1 issues.
6493
6494 2005-03-07  Richard Sandiford  <rsandifo@redhat.com>
6495
6496         PR rtl-optimization/19683
6497         * reload1.c (choose_reload_regs): Pass the number of bits, not the
6498         number of bytes, to smallest_int_for_mode.  Fix arguments to
6499         REG_CANNOT_CHANGE_MODE_P.
6500
6501 2005-03-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
6502
6503         * reorg.c (relax_delay_slots): Check that the jump is
6504         conditional before trying to invert it.
6505
6506 2005-03-07  Kazu Hirata  <kazu@cs.umass.edu>
6507
6508         * bb-reorder.c (max_entry_frequency, max_entry_frequency):
6509         Make them static.
6510
6511         * calls (stack_arg_under_construction): Make it static.
6512
6513         * flow.c (regs_live_at_setjmp): Make it static.
6514         * flow.h: Remove the corresponding prototype.
6515
6516         * reload1.c (reload_startobj, reload_firstobj,
6517         something_needs_operands_changed, reload_inherited,
6518         reload_inheritance_insn, reload_override_in,
6519         reload_spill_index): Make them static.
6520
6521         * recog.c (verify_changes): Make it static.
6522         * recog.h: Remove the corresponding prototype.
6523
6524         * cfgbuild.c (find_sub_basic_blocks): Remove.
6525         * basic-block.h: Remove the corresponding prototype.
6526         * cfgexpand.c, cfgrtl.c: Don't mention find_sub_basic_blocks
6527         in comments.
6528         * doc/cfg.texi: Don't mention find_sub_basic_blocks.
6529
6530         * tree-ssa-operands.c (check_build_stmt): Remove.
6531
6532         * stor-layout.c (set_alignment): Remove.
6533         * tree.h: Remove the corresponding prototype.
6534
6535         * tree-ssa-pre.c (has_abnormal_preds): Make it static.
6536
6537         * tree-ssa-dce.c (control_dependence_map,
6538         visited_control_parents): Make them static.
6539
6540         * cfghooks.c (verify_flow_info): Remove local variable
6541         num_bb_notes.
6542
6543         * cfgrtl.c (rtl_verify_flow_info_1): Remove local variable
6544         last_bb_seen.
6545
6546         * loop-unswitch.c (unswitch_loop): Remove local variable src.
6547
6548 2005-03-07  David Billinghurst <David.Billinghurst@riotinto.com>
6549
6550         * config/i386/cygwin1.c(mingw_scan): Use xstrdup in calls to putenv.
6551
6552 2005-03-07  Joseph S. Myers  <joseph@codesourcery.com>
6553
6554         * config/ia64/hpux.h (LINK_SPEC): Add -z.
6555         * config/ia64/ia64.c (ia64_function_value): Return a REG not a
6556         PARALLEL for an empty structure.
6557
6558 2005-03-07  Kazu Hirata  <kazu@cs.umass.edu>
6559
6560         * fold-const.c (fold_binary): Remove handling of RANGE_EXPR.
6561
6562         * fold-const.c (fold_binary): Unroll the very first "for"
6563         loop.
6564
6565 2005-03-06  David Edelsohn  <edelsohn@gnu.org>
6566
6567         * config/rs6000/predicates.md (branch_comparison_operator): Remove
6568         redundant match_code test.
6569         (scc_comparison_operator): Swap match_operand and match_code
6570         tests.
6571         (branch_positive_comparison_operator): Same.
6572         (trap_comparison_operator): Use comparison_operator and swap with
6573         match_code test.
6574
6575 2005-03-06  Marek Michalkiewicz  <marekm@amelek.gda.pl>
6576
6577         PR target/20288
6578         * config/avr/avr.c (print_operand): Add 'p' and 'r'.
6579         (out_movhi_r_mr): Read low byte of volatile MEM first.
6580         (out_movhi_mr_r): Write high byte of volatile MEM first.
6581
6582 2005-03-05  Kazu Hirata  <kazu@cs.umass.edu>
6583
6584         * cselib.c (reg_values, reg_values_size): Make them static.
6585
6586         * cse.c (cse_reg_info_table): Make it static.
6587
6588         * fold-const.c (fold_unary): Use build1 instead of copy_node.
6589
6590 2005-03-06  Zdenek Dvorak  <dvorakz@suse.cz>
6591
6592         * cse.c (find_best_addr): Use canon_for_address.
6593
6594 2005-03-06  Kazu Hirata  <kazu@cs.umass.edu>
6595
6596         * cse.c (fold_rtx_subreg, fold_rtx_mem): New.
6597         (fold_rtx): Call fold_rtx_subreg and fold_rtx_mem to handle
6598         SUBREG and MEM, respectively.
6599
6600         * fold-const.c (fold_binary): Use code instead of t.
6601
6602         * fold-const.c (optimize_minmax_comparison): Take decomposed
6603         arguments code, type, op0, and op1 instead of t.
6604         (fold_binary): Update a call to optimize_minmax_comparison.
6605
6606         * fold-const.c (fold_range_test): Take decomposed arguments
6607         code, type, op0, and op1 instead of t.
6608         (fold_binary): Update a call to fold_range_test.
6609
6610         * fold-const.c (fold_binary_op_with_conditional_arg): Take
6611         decomposed arguments code, type, op0, and op1 instead of t.
6612         (fold_binary): Update a call to fold_range_test.
6613
6614 2005-03-06  Kazu Hirata  <kazu@cs.umass.edu>
6615
6616         * fold-const.c (fold_binary): Avoid directly using the original
6617         expression t as much as possible.
6618
6619 2005-03-05  Kazu Hirata  <kazu@cs.umass.edu>
6620
6621         * c-semantics.c (build_stmt): Use TYPE_P instead of
6622         IS_NON_TYPE_CODE_CLASS.
6623         * tree.h (IS_NON_TYPE_CODE_CLASS): Remove.
6624         (NON_TYPE_CHECK): Use TYPE_P instead of
6625         IS_NON_TYPE_CODE_CLASS.
6626
6627         * fold-const.c (fold): Remove handling of binary expressions.
6628
6629 2005-03-05  James A. Morrison  <phython@gcc.gnu.org>
6630
6631         * doc/c-tree.texi: Wrap comments in @r{}.
6632         * doc/cpp.texi: Likewise.
6633         * doc/cppinternals.texi: Likewise.
6634         * doc/extend.texi: Likewise.
6635         * doc/md.texi: Likewise.
6636         * doc/objc.texi: Likewise.
6637         * doc/sourcebuild.texi: Likewise.
6638         * doc/tm.texi: Likewise.
6639         * doc/tree-ssa.texi
6640
6641 2005-03-05  Kazu Hirata  <kazu@cs.umass.edu>
6642
6643         * predict.c (apply_return_prediction): Standardize PHI chain
6644         walking.
6645         * tree-ssa.c (ssa_redirect_edge): Likewise.
6646
6647         * genattrtab.c, genemit.c, genoutput.c, genrecog.c,
6648         gensupport.c, jump.c, tree-phinodes.c, unwind-dw2-fde-glibc.c:
6649         Update copyright.
6650
6651         * tree-phinodes.c (remove_phi_node): Drop the last argument.
6652         * tree-flow.h: Adjust the prototype for remove_phi_node.
6653         * lambda-code.c (perfect_nestify): Adjust a call to
6654         remove_phi_node.
6655         * tree-cfg.c
6656         (remove_phi_nodes_and_edges_for_unreachable_block): Likewise.
6657         * tree-outof-ssa.c (eliminate_virtual_phis, remove_ssa_form):
6658         Likewise.
6659         * tree-ssa-dce.c (remove_dead_phis): Likewise.
6660         * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
6661         * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
6662         * tree-ssa.c (kill_redundant_phi_nodes): Likewise.
6663
6664         * combine.c (simplify_and_const_int): Use gen_int_mode instead
6665         of GEN_INT (trunc_int_for_mode (...)).
6666         * loop-iv.c (iv_number_of_iterations): Likewise.
6667         * postreload.c (reload_cse_move2add): Likewise.
6668         * simplify-rtx.c (simplify_const_unary_operation,
6669         simplify_const_binary_operation): Likewise.
6670         * stor-layout.c (get_mode_bounds): Likewise.
6671
6672         * fold-const.c (fold_binary): New.
6673         (fold): Call fold_binary on binary expressions.
6674
6675 2005-03-05  Richard Sandiford  <rsandifo@redhat.com>
6676
6677         * doc/invoke.texi: Document new MIPS -msym32 and -mno-sym32 options.
6678         * config/mips/mips.h (MASK_SYM32, TARGET_SYM32): New macros.
6679         (TARGET_SWITCHES): Add -msym32 and -mno-sym32.
6680         (ABI_HAS_64BIT_SYMBOLS): Set to false if TARGET_SYM32.
6681         (ASM_SPEC): Pass down -msym32 and -mno-sym32.
6682
6683 2005-03-04  Devang Patel  <dpatel@apple.com>
6684
6685         PR tree-optimization/18815
6686         * tree-if-conv.c (combine_blocks): Adjust loop header edges for
6687         loops with zero exit edges.
6688
6689 2005-03-04  Devang Patel  <dpatel@apple.com>
6690
6691         * doc/invoke.texi: Remove reference to webpage that does not exist.
6692
6693 2005-03-04  John David Anglin  <dave.danglin@nrc-cnrc.gc.ca>
6694             Joseph S. Myers  <joseph@codesourcery.com>
6695
6696         PR c++/19797
6697         * pa/elf.h, pa64-hpux.h, som.h (ASM_OUTPUT_EXTERNAL_REAL): Define.
6698         (ASM_OUTPUT_EXTERNAL): Call pa_hpux_asm_output_external.
6699         * pa-protos.h (pa_hpux_asm_output_external): Add prototype.
6700         * pa.c (get_plabel): Change argument to symbol_ref.  Call
6701         maybe_get_identifier instead of get_identifier.
6702         (pa_hpux_asm_output_external, pa_hpux_file_end): New functions.
6703         (struct deferred_plabel): Replace name field with symbol field.
6704         (TARGET_ASM_FILE_END): Define as pa_hpux_file_end if
6705         ASM_OUTPUT_EXTERNAL_REAL is defined.
6706         (output_global_address): Use output_addr_const for output of all
6707         symbol_refs.
6708         (output_deferred_plabels): Use symbol_ref instead of name for address
6709         output.
6710         * pa.h (SYMBOL_FLAG_REFERENCED, SYMBOL_REF_REFERENCED_P,
6711         ASM_OUTPUT_SYMBOL_REF): New macros.
6712         * som.h (ASM_OUTPUT_EXTERNAL_LIBCALL): Use assemble_name_raw.  Update
6713         comment.
6714         (ASM_WEAKEN_LABEL): Use targetm.asm_out.globalize_label to globalize
6715         label.
6716
6717 2005-03-05  Joseph S. Myers  <joseph@codesourcery.com>
6718
6719         * config.gcc (hppa*64*-*-hpux11*): Use pa/pa-hpux1111.h for
6720         *-*-hpux11.[1-9]*, not just for *-*-hpux11.11.
6721
6722 2005-03-04  Jeff Law  <law@redhat.com>
6723
6724         * basic-block.h (rediscover_loops_after_threading): Declare.
6725         * tree-ssa-dom.c: Include cfgloop.h.
6726         (tree_ssa_dominator_optimize): Discover loops and some basic
6727         properties.  Remove forwarder blocks recreated by loop header
6728         canonicalization.  Also mark backedges in the CFG.
6729         * tree-ssa-threadupdate.c: Include cfgloop.h
6730         (rediscover_loops_after_threading): Define.
6731         (struct local_info): New field, JUMP_THREADED.
6732         (prune_undesirable_thread_requests): New function.
6733         (redirect_edges): Clear EDGE_ABNORMAL.  If edges were threaded
6734         then record that fact for the callers of redirct_edges.
6735         (thread_block): If BB has incoming backedges, then call
6736         prune_undesirable_thraed_requests.    Note when we are
6737         going to have to rediscover loop information.  Return a
6738         boolean indicating if any jumps were threaded.
6739         (thread_through_all_blocks): Bubble up boolean indicating
6740         if any jumps were threaded.
6741         * Makefile.in (tree-ssa-dom.o): Depend on cfgloop.h
6742         (tree-ssa-threadupdate.o): Similarly.
6743
6744 2005-03-04  Kazu Hirata  <kazu@cs.umass.edu>
6745
6746         * fold-const.c (fold_ternary): Unroll the "for" loop to
6747         extract operands.
6748
6749 2005-03-04  Andrew Haley  <aph@redhat.com>
6750
6751         * unwind-dw2-fde-glibc.c (struct
6752         unw_eh_callback_data.check_cache): New field.
6753         (frame_hdr_cache): New.
6754         (_Unwind_IteratePhdrCallback): Add ext_dl_phdr_info.
6755         Cache frame header info.
6756
6757 2005-03-04  Richard Sandiford  <rsandifo@redhat.com>
6758
6759         * rtl.h (copy_rtx_ptr_loc, print_rtx_ptr_loc, join_c_conditions)
6760         (print_c_condition): Declare.
6761         * read-rtl.c (ptr_loc): New structure.
6762         (ptr_locs, ptr_loc_obstack, joined_conditions)
6763         (joined_conditions_obstack): New variables.
6764         (leading_ptr_hash, leading_ptr_eq_p, set_rtx_ptr_loc)
6765         (get_rtx_ptr_loc, copy_rtx_ptr_loc, print_rtx_ptr_loc)
6766         (join_c_conditions, print_c_condition): New functions.
6767         (apply_macro_to_string): Associate the new string with the same
6768         source location as the old one.
6769         (add_condition_to_string): Use join_c_conditions.
6770         (read_string): Use set_rtx_ptr_loc to record a filename and line
6771         number for the string.
6772         (read_rtx): Initialize the new variables above.
6773         * genattrtab.c (write_test_expr, write_attr_value): Use
6774         print_c_condition.
6775         * genconditions.c (write_header): Don't define MAYBE_EVAL.  Move its
6776         comment above the GCC_VERSION check.
6777         (write_one_condition): Use print_rtx_ptr_loc and print_c_condition.
6778         Inline the definition of MAYBE_EVAL.
6779         * genemit.c (gen_expand, gen_split): Use print_rtx_ptr_loc.
6780         * genoutput.c (process_template): Likewise.
6781         * genpreds.c (write_predicate_subfunction): Likewise.
6782         (write_predicate_expr): Use print_c_condition.
6783         * genrecog.c (write_cond): Likewise.
6784         * gensupport.c (process_rtx): Use join_c_conditions to join the
6785         conditions of a define_insn_and_split.  Record a source location
6786         for the string after the "&&".
6787         (alter_test_for_insn): Use join_c_conditions.
6788
6789 2005-03-04  Andrew Pinski  <pinskia@physics.uc.edu>
6790
6791         Revert for now:
6792         2005-03-03  James A. Morrison  <phython@gcc.gnu.org>
6793         PR tree-optimization/15784
6794         * fold-const.c (fold): Fold ~A + 1 to -A.  Fold -A - 1
6795         and -1 - A to ~A.
6796
6797 2005-03-04  Ben Elliston  <bje@au.ibm.com>
6798
6799         * gcc.c (option_map): Add --coverage.
6800         (LINK_COMMAND_SPEC): Pass -lgcov for `coverage'.
6801         (cc1_options): Pass -fprofile-arcs -ftest-coverage for `coverage'.
6802         * config/darwin.h: Pass -lgcov for `coverage'.
6803         * doc/invoke.texi (Debugging Options): Document --coverage.
6804
6805 2005-03-04  Kazu Hirata  <kazu@cs.umass.edu>
6806
6807         * gcse.c (bypass_block): Use find_edge wherever possible.
6808
6809 2005-03-03  Daniel Berlin <dberlin@dbrelin.org>
6810
6811         Fix PR debug/20253
6812
6813         * c-opts.c (c_common_parse_file): Call start_source_file
6814         and end_source_file at the approriate times.
6815
6816         * dwarf2out.c (dwarf2out_finish): Don't auto-end
6817         the main file, it will be done for us now.
6818
6819 2005-03-04  Kazu Hirata  <kazu@cs.umass.edu>
6820
6821         * fold-const.c (fold_ternary): New.
6822         (fold): Call fold_ternary on ternary expressions.  Remove
6823         handling of ternary expressions.
6824
6825 2005-03-03  James A. Morrison  <phython@gcc.gnu.org>
6826
6827         PR tree-optimization/15784
6828         * fold-const.c (fold): Fold ~A + 1 to -A.  Fold -A - 1
6829         and -1 - A to ~A.
6830
6831 2005-03-03  David Edelsohn  <edelsohn@gnu.org>
6832
6833         * config/rs6000/predicates.md (branch_comparison_operator):
6834         Convert from C block to conditional format.
6835
6836 2005-03-03  Jan Hubicka  <jh@suse.cz>
6837
6838         * tree-dfa.c (add_referenced_var): Don't walk initializer of external
6839         and non-constant public variables.
6840
6841 2005-03-03  Kazu Hirata  <kazu@cs.umass.edu>
6842
6843         * tree-cfg.c (stmt_starts_bb_p): Clean up by replacing code
6844         with LABEL_EXPR.
6845
6846         * cfgexpand.c (construct_exit_block): Use EDGE_PRED instead of
6847         EDGE_I.
6848
6849         * tree-phinodes.c (remove_phi_node): Clean up by factoring out
6850         calls to release_ssa_name and release_phi_node.
6851
6852         * fold-const.c (fold): Remove handling of unary expressions.
6853
6854         * fold-const.c (fold_unary): Avoid directly using the original
6855         expression t as much as possible.
6856
6857 2005-03-03  Roger Sayle  <roger@eyesopen.com>
6858             Andrew Pinski  <pinskia@physics.uc.edu>
6859
6860         * jump.c (redirect_exp_1): If nlabel is a NULL pointer create a
6861         RETURN rtx, and not a LABEL_REF containing a NULL pointer.
6862
6863 2005-03-03  Hans-Peter Nilsson  <hp@axis.com>
6864
6865         Describe special registers SRP and MOF as allocatable registers.
6866         * config/cris/cris.c (cris_md_asm_clobbers): New function.
6867         (TARGET_MD_ASM_CLOBBERS): Define to cris_md_asm_clobbers.
6868         (cris_conditional_register_usage): Enable CRIS_MOF_REGNUM if
6869         TARGET_HAS_MUL_INSNS.
6870         (cris_print_operand) <case 'd'>: New case.
6871         <case REG>: Allow CRIS_MOF_REGNUM and CRIS_SRP_REGNUM.
6872         * config/cris/cris.h (CRIS_PC_REGNUM, CRIS_SRP_REGNUM): Don't
6873         define.
6874         (FIRST_PSEUDO_REGISTER, FIXED_REGISTERS, CALL_USED_REGISTERS)
6875         (REG_ALLOC_ORDER): Update for MOF.
6876         (enum reg_class): New members MOF_REGS, GENERAL_REGS and
6877         SPECIAL_REGS.
6878         (GENERAL_REGS): No longer a define of ALL_REGS.
6879         (REGNO_REG_CLASS, REG_CLASS_CONTENTS, REG_CLASS_NAMES)
6880         (PREFERRED_RELOAD_CLASS, REGISTER_NAMES, DBX_REGISTER_NUMBER):
6881         Adjust accordingly.
6882         (CRIS_SPECIAL_REGS_CONTENTS): New macro.
6883         (REG_CLASS_FROM_LETTER): Allocate 'h' and 'x'.
6884         (SECONDARY_RELOAD_CLASS): Define.
6885         (STACK_POINTER_REGNUM): Define as CRIS_SP_REGNUM.
6886         (FRAME_POINTER_REGNUM): Define as CRIS_FP_REGNUM.
6887         (ARG_POINTER_REGNUM): Define as CRIS_AP_REGNUM.
6888         (STATIC_CHAIN_REGNUM): Define as CRIS_STATIC_CHAIN_REGNUM.
6889         (REGISTER_MOVE_COST): Define.
6890         (PIC_OFFSET_TABLE_REGNUM): Define in terms of CRIS_GOT_REGNUM.
6891         * config/cris/cris.md (CRIS_GOT_REGNUM, CRIS_STATIC_CHAIN_REGNUM)
6892         (CRIS_FP_REGNUM, CRIS_SP_REGNUM, CRIS_SRP_REGNUM, CRIS_AP_REGNUM)
6893         (CRIS_MOF_REGNUM): New define_constants.
6894         ("*movsi_internal", "movhi", "movqi", "movsf"): Add alternatives for
6895         special registers.
6896         ("reload_inhi", "reload_outhi", "reload_inqi", "reload_outqi"):
6897         New patterns.
6898         ("umulhisi3", "umulqihi3", "mulsi3", "mulqihi3", "mulhisi3")
6899         ("mulsidi3", "umulsidi3", "smulsi3_highpart", "umulsi3_highpart"):
6900         Adjust for MOF being properly described as a register.
6901         (indir_to_reg_split): Name this split.  Conditionalize on the
6902         destination register being a general register.
6903         (movei): Conditionalize on on operands 0 and 1 having the same
6904         register class.
6905
6906 2005-03-03  Alan Modra  <amodra@bigpond.net.au>
6907
6908         PR target/20277
6909         * config/rs6000/rs6000.c (rs6000_override_options): Don't allow
6910         -mcpu to override any other explicitly given flags.
6911
6912 2005-03-02  J"orn Rennecke <joern.rennecke@st.com>
6913
6914         * recog.c (verify_changes, confirm_change_group): New functions,
6915         broken out of apply_change_group.
6916         (apply_change_group): Use them.
6917         * recog.h (verify_change, confirm_change_group): Declare.
6918         * rtl.h (redirect_jump_2): Declare.
6919         * jump.c (redirect_exp, invert_exp): Delete.
6920         (invert_exp_1): Take second parameter.  Return value.  Changed caller.
6921         (redirect_jump_2): New function, broken out of redirect_jump.
6922         (redirect_jump): Use redirect_jump_1 and redirect_jump_2.
6923         (invert_jump): Use invert_jump_1 and redirect_jump_2.
6924         * ifcvt.c (dead_or_predicable): Use redirect_jump_2.
6925
6926 2005-03-02  Geoffrey Keating  <geoffk@apple.com>
6927
6928         * varasm.c (named_section): Use xstrdup rather than doing it by
6929         hand.
6930
6931         * config/darwin8.h (LIB_SPEC): Switch -lmx and -lSystem.
6932
6933 2005-03-02  Devang Patel  <dpatel@apple.com>
6934
6935         Undo PR tree-optimization/18815 fix.
6936
6937 2005-03-02  Devang Patel  <dpatel@apple.com>
6938
6939         PR tree-optimization/18815
6940         * tree-if-conv.c (combine_blocks): Adjust loop header edges for
6941         loops with zero exit edges.
6942
6943 2005-03-02  Kazu Hirata  <kazu@cs.umass.edu>
6944
6945         * cfg.c (connect_src, connect_dest, disconnect_src,
6946         disconnct_dest): New.
6947         (unchecked_make_edge, remove_edge, redirect_edge_succ,
6948         redirect_edge_pred): Use the new functions.
6949
6950         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Call
6951         free_dominance_info only when needed.
6952
6953 2005-03-02  David Edelsohn  <edelsohn@gnu.org>
6954
6955         PR target/20276
6956         * config/rs6000/predicates.md (reg_or_cint64_operand): Fix typo.
6957         (reg_or_sub_cint64_operand): Same.
6958
6959 2005-03-02  Jeff Law  <law@redhat.com>
6960
6961         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Fix setting of
6962         CFG_ALTERED in the main DOM iteration loop.
6963
6964 2005-03-02  Mark Mitchell  <mark@codesourcery.com>
6965
6966         PR c++/19916
6967         * varasm.c (initializer_constant_valid_p): Allow conversions
6968         between OFFSET_TYPEs.  Tidy.
6969
6970 2005-03-02  Hans-Peter Nilsson  <hp@axis.com>
6971
6972         * config/cris/cris.md ("return"): Remove epilogue delay list
6973         sanity check.
6974
6975 2005-03-02  Daniel Jacobowitz  <dan@codesourcery.com>
6976
6977         * config/arm/linux-elf.h (ARM_FUNCTION_PROFILER): Do not use (PLT)
6978         for Thumb.
6979         * config/arm/netbsd-elf.h (ARM_FUNCTION_PROFILER): Likewise.
6980
6981 2005-03-02  Kazu Hirata  <kazu@cs.umass.edu>
6982
6983         * cfgloop.h, cfgloopanal.c, cfgloopmanip.c, conflict.c,
6984         loop-init.c, loop-unroll.c, print-tree.c, reg-notes.def,
6985         config/m68k/m68k.c, config/mips/mips.h,
6986         config/rs6000/rs6000-protos.h, doc/contrib.texi,
6987         doc/include/gcc-common.texi: Update copyright.
6988
6989         PR middle-end/18029 and PR middle-end/18030
6990         * expr.c (optimize_bitfield_assignment_op): Add a special case
6991         to handle BIT_IOR_EXPR and BIT_XOR_EXPR.
6992
6993         * fold-const.c (fold_unary): New.
6994         (fold): Call fold_unary on unary expressions.
6995
6996 2005-03-02  Richard Guenther  <rguenth@gcc.gnu.org>
6997
6998         * cgraph.h (struct cgraph_edge): Add prev_caller and
6999         prev_callee fields.
7000         (cgraph_node_remove_callees): Export.
7001         * cgraph.c (cgraph_create_edge): Initialize prev_caller
7002         and prev_callee.
7003         (cgraph_edge_remove_callee): New function.
7004         (cgraph_edge_remove_caller): Likewise.
7005         (cgraph_remove_edge): Use.
7006         (cgraph_redirect_edge_callee): Likewise.
7007         (cgraph_node_remove_callees): New function.
7008         (cgraph_node_remove_callers): Likewise.
7009         (cgraph_remove_node): Use.
7010         * tree-optimize.c (tree_rest_of_compilation): Use
7011         cgraph_node_remove_callees instead of manual loop.
7012         * cgraphunit.c (cgraph_finalize_function): Likewise.
7013         (cgraph_expand_function): Likewise.
7014         (cgraph_remove_unreachable_nodes): Likewise.
7015
7016 2005-03-02  Joseph S. Myers  <joseph@codesourcery.com>
7017
7018         PR c/8927
7019         * c-tree.h (undeclared_variable, build_external_ref): Add extra
7020         argument.
7021         * c-decl.c (undeclared_variable): Take location as argument.
7022         * c-typeck.c (build_external_ref): Likewise.
7023         * c-parser.c (c_parser_postfix_expression): Pass location of
7024         identifier to build_external_ref.
7025
7026 2005-03-01  David Edelsohn  <edelsohn@gnu.org>
7027
7028         * config/rs6000/rs6000.md (cceq splitter): Use operand mode, not
7029         CCEQ mode for branch_positive_comparison_operator test.
7030         * config/rs6000/predicates (branch_comparison_operator): Revert to
7031         define_predicate.
7032         (scc_comparison_operator): Same.
7033         (branch_positive_comparison_operator): Same.
7034
7035 2005-03-01  Hans-Peter Nilsson  <hp@axis.com>
7036
7037         * config/cris/cris.c (cris_eligible_for_epilogue_delay)
7038         (cris_delay_slots_for_epilogue): Remove.
7039         (save_last): Move into cris_target_asm_function_epilogue.
7040         (cris_target_asm_function_epilogue): Remove tests for file being
7041         NULL.
7042         * config/cris/cris-protos.h (cris_eligible_for_epilogue_delay)
7043         (cris_delay_slots_for_epilogue): Remove prototypes.
7044         * config/cris/cris.h (DELAY_SLOTS_FOR_EPILOGUE)
7045         (ELIGIBLE_FOR_EPILOGUE_DELAY): Do not define.
7046
7047 2005-03-01  David Edelsohn  <edelsohn@gnu.org>
7048
7049         * config/rs6000/predicates.md (branch_comparison_operator): Change
7050         to define_special_predicate.
7051         (scc_comparison_operator): Same.
7052         (branch_positive_comparison_operator): Same.
7053
7054 2005-03-01  Daniel Berlin <dberlin@dberlin.org>
7055
7056         * Makefile.in (tree-ssa-sink.o): New.
7057         (OBJS-common): Add tree-ssa-sink.o.
7058         * common.opt: Add -ftree-sink
7059         * opts.c (decode_options): flag_tree_sink is set at O1 or higher.
7060         * timevar.def (TV_TREE_SINK): new timevar.
7061         * tree-flow.h (is_hidden_global_store): Prototype.
7062         * tree-optimize.c (init_tree_optimization_passes): Add
7063         pass_sink_code.
7064         * tree-pass.h (pass_sink_code): New.
7065         * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Move checking
7066         for non-obvious global store store to is_hidden_global_store, and
7067         call that new function.
7068         * tree-ssa-sink.c: New file.
7069         * doc/invoke.texi: Document -fdump-tree-sink and -ftree-sink.
7070         * doc/passes.texi: Document forward store motion.
7071         * testsuite/gcc.dg/tree-ssa/ssa-sink-1.c: New test
7072         * testsuite/gcc.dg/tree-ssa/ssa-sink-2.c: New test
7073         * testsuite/gcc.dg/tree-ssa/ssa-sink-3.c: New test
7074         * testsuite/gcc.dg/tree-ssa/ssa-sink-4.c: New test
7075
7076 2005-03-01  Per Bothner  <per@bothner.com>
7077
7078         * diagnostic.c (diagnostic_build_prefix): If USE_MAPPED_LOCATION
7079         and we have a non-zero column-number, add it to the message.
7080         Also factor out the diagnostic_kind_text.
7081
7082 2005-03-01  Zdenek Dvorak  <dvorakz@suse.cz>
7083
7084         * cfgloop.c (flow_loop_entry_edges_find, flow_loop_exit_edges_find,
7085         flow_loop_pre_header_scan, flow_loop_pre_header_find,
7086         flow_loop_scan): Removed.
7087         (flow_loop_dump): Do not dump removed fields.
7088         (flow_loop_free): Do not free removed fields.
7089         (flow_loops_find): Flags argument removed.  Do not call flow_loop_scan.
7090         (loop_exit_edge_p): New function.
7091         * cfgloop.h (struct loop): Removed fields pre_header, pre_header_edges,
7092         num_pre_header_edges, entry_edges, num_entries, exit_edges,
7093         num_exits, exits_doms.
7094         (LOOP_TREE, LOOP_PRE_HEADER, LOOP_ENTRY_EDGES, LOOP_EXIT_EDGES,
7095         LOOP_EDGES, LOOP_ALL): Removed.
7096         (flow_loop_scan): Declaration removed.
7097         (loop_exit_edge_p, mark_loop_exit_edges): Declare.
7098         * cfgloopmanip.c (create_loop_notes): Do not pass flags to
7099         flow_loops_find.
7100         * ifcvt.c (mark_loop_exit_edges): Moved to cfgloopanal.c.
7101         (if_convert): Call flow_loops_find and flow_loops_free
7102         when calling mark_loop_exit_edges.
7103         * cfgloopanal.c (mark_loop_exit_edges): Moved from
7104         ifcvt.c.  Removed the flow_loops_find, flow_loops_free and
7105         free_dominance_info calls.
7106         * loop-init.c (flow_loops_find): Ditto.
7107         * passes.c (rest_of_handle_branch_prob): Ditto.
7108         * lambda-code.c (perfect_nestify): Do not call flow_loops_find.
7109         * loop-unroll.c (analyze_insns_in_loop): Do not use
7110         EDGE_LOOP_EXIT.
7111         * predict.c (predict_loops): Do not call flow_loop_scan.
7112         Use get_loop_exit_edges.
7113         (tree_estimate_probability): Do not pass flags to flow_loops_find.
7114         * tree-if-conv.c (bb_with_exit_edge_p): Take loop as argument.
7115         Do not use EDGE_LOOP_EXIT.
7116         (tree_if_convert_cond_expr, if_convertible_modify_expr_p): Pass loop
7117         to bb_with_exit_edge_p.
7118         (if_convertible_loop_p): Do not call flow_loop_scan.  Use
7119         loop->single_exit.  Do not use EDGE_LOOP_EXIT.  Pass loop
7120         to bb_with_exit_edge_p.
7121         (combine_blocks): Pass loop to bb_with_exit_edge_p.  Do not use
7122         EDGE_LOOP_EXIT.
7123         * tree-loop-linear.c (linear_transform_loops): Do not call
7124         flow_loop_scan.  Use loop->single_exit.
7125         * tree-vect-analyze.c (vect_analyze_operations): Use loop->single_exit.
7126         (vect_analyze_loop_form): Do not call flow_loop_scan.
7127         * tree-vect-transform.c (vect_update_ivs_after_vectorizer): Use
7128         loop->single_exit.
7129         (vect_do_peeling_for_loop_bound): Use loop_preheader_edge and
7130         loop->single_exit.
7131         * tree-vectorizer.c (slpeel_update_phis_for_duplicate_loop,
7132         slpeel_make_loop_iterate_ntimes, slpeel_can_duplicate_loop_p,
7133         slpeel_tree_duplicate_loop_to_edge_cfg,
7134         slpeel_verify_cfg_after_peeling, slpeel_tree_peel_loop_to_edge):
7135         Use loop_preheader_edge and loop->single_exit.  Do not call
7136         flow_loop_scan.
7137
7138 2005-03-01  Nick Clifton  <nickc@redhat.com>
7139
7140         * config/arm/arm.c (thumb_find_work_register): Check all of the
7141         argument registers to see if they are free, and a couple of
7142         special cases where the last argument register but can be proved
7143         to be available during the function's prologue.
7144         (print_multi_reg, arm_compute_save_reg0_reg12_mask,
7145         output_return_instruction, emit_multi_reg_push, thumb_pushpop,
7146         thumb_unexpanded_epilogue): Use unsigned long as the type for the
7147         register bit-mask.
7148         (thumb_compute_save_reg_mask): Likewise.  Also use
7149         thumb_find_work_register() to ensure that there is agreement about
7150         which work register is going to be used in the prologue.
7151         (thumb_output_function_prologue): Use unsigned long as the type
7152         for the register bit-mask.  Also delay pushing the link register if
7153         other high registers are going to be pushed.
7154         (thumb_compute_save_reg_mask, emit_multi_reg_push,
7155         print_multi-reg, number_of_first_bit_set, thumb_pushpop): Remove
7156         redundant prototypes.
7157
7158 2005-02-28  John David Anglin  <dave.anglin#nrc-cnrc.gc.ca>
7159
7160         PR target/19819
7161         * pa.h (GO_IF_LEGITIMATE_ADDRESS): Allow allow hard registers during
7162         and after reload in REG+REG indexed addresses without REG_POINTER
7163         set in the base and not set in the index.
7164
7165 2005-02-28  Kaz Kojima  <kkojima@gcc.gnu.org>
7166
7167         * config/sh/linux.h (MD_EXEC_PREFIX, MD_STARTFILE_PREFIX):
7168         Don't undefine here.
7169         (HANDLE_PRAGMA_PACK_PUSH_POP): Delete.
7170         (NO_IMPLICIT_EXTERN_C, CPLUSPLUS_CPP_SPEC): Likewise.
7171         (TARGET_OS_CPP_BUILTINS): Use LINUX_TARGET_OS_CPP_BUILTINS.
7172         (LIB_SPEC, LINK_EH_SPEC, STARTFILE_SPEC, ENDFILE_SPEC,
7173         LINK_GCC_C_SEQUENCE_SPEC, USE_LD_AS_NEEDED, TARGET_C99_FUNCTIONS):
7174         Delete.
7175         * config.gcc (sh*-*-linux*): Use config/linux.h.
7176
7177 2005-02-28  Dale Johannesen  <dalej@apple.com>
7178             Stan Shebs  <shebs@apple.com>
7179
7180         Rewrite of 64-bit Darwin structure-by-value pass/return.
7181         * config/rs6000/rs6000.h (CUMULATIVE_ARGS): New fields
7182         intoffset, use_stack, named.
7183         * config/rs6000/rs6000.c (rs6000_darwin64_function_arg):  Remove.
7184         (rs6000_darwin64_record_arg_advance_flush):  New.
7185         (rs6000_darwin64_record_arg_advance_recurse): New.
7186         (rs6000_darwin64_record_arg_flush):  New.
7187         (rs6000_darwin64_record_arg_recurse):  New.
7188         (rs6000_darwin64_record_arg):  New.
7189         (rs6000_return_in_memory):  Remove AGGREGATE_TYPE_P check.
7190         (function_arg_boundary):  Handle 128-bit aligned structs.
7191         (function_arg_advance):  Rewrite darwin64 struct handling.
7192         (function_arg):  Call rs6000_darwin64_record_arg.
7193         (function_arg_partial_nregs):  Handle darwin64 structs.
7194         (rs6000_darwin64_function_value):  Remove.
7195         (rs6000_function_value):  Call rs6000_darwin64_record_arg.
7196
7197 2005-02-28  Roger Sayle  <roger@eyesopen.com>
7198
7199         PR tree-optimization/20216
7200         * tree-chrec.c (tree_fold_factorial): Delete.
7201         (tree_fold_binomial): Change argument list to take a return type
7202         and change the type of K to unsigned int.  Rewrite to avoid explicit
7203         evaluation of factorials, and (recursively) calling fold to perform
7204         compile-time arithmetic.  Return NULL on (internal) overflow.
7205         (chrec_evaluate): Change type of K to an unsigned int.  Avoid
7206         calling tree_fold_binomial unnecessarily.  Return chrec_dont_know
7207         if any intermediate calculation overflows.
7208         (chrec_apply): Update call to chrec_evaluate.
7209
7210 2005-02-28  James E Wilson  <wilson@specifixinc.com>
7211
7212         * config/mips/mips.h (NO_PROFILE_COUNTERS): Define.
7213
7214 2005-02-28  Joseph S. Myers  <joseph@codesourcery.com>
7215
7216         PR c/20245
7217         * c-parser.c (c_parser_compound_statement): Return error_mark_node
7218         instead of NULL_TREE on error.
7219
7220 2005-02-28  David Edelsohn  <edelsohn@gnu.org>
7221
7222         * config/rs6000/rs6000.c (EASY_VECTOR_15): Remove.
7223         (EASY_VECTOR_15_ADD_SELF): Remove.
7224         (num_insns_constant_wide): Not static.
7225         (validate_condition_mode): Not static.
7226         (toc_relative_expr_p): Not static.
7227         (legitimate_indirect_address_p): Not static.
7228         (macho_lo_sum_memory_operand): Not static.
7229         (invalid_e500_subreg): Not static.
7230         (easy_vector_same): Not static.
7231         (easy_vector_splat_const): Not static.
7232         (RS6000_SYMBOL_REF_TLS_P): Remove.
7233         (any_operand): Delete.
7234         (any_parallel_operand): Delete.
7235         (count_register_operand): Delete.
7236         (altivec_register_operand): Delete.
7237         (xer_operand): Delete.
7238         (s8bit_cint_operand): Delete.
7239         (short_cint_operand): Delete.
7240         (u_short_cint_operand): Delete.
7241         (non_short_cint_operand): Delete.
7242         (exact_log2_cint_operand): Delete.
7243         (gpc_reg_operand): Delete.
7244         (cc_reg_operand): Delete.
7245         (cc_reg_not_cr0_operand): Delete.
7246         (reg_or_short_operand): Delete.
7247         (reg_or_neg_short_operand): Delete.
7248         (reg_or_aligned_short_operand): Delete.
7249         (reg_or_u_short_operand): Delete.
7250         (reg_or_cint_operand): Delete.
7251         (reg_or_arith_cint_operand): Delete.
7252         (reg_or_add_cint64_operand): Delete.
7253         (reg_or_sub_cint64_operand): Delete.
7254         (reg_or_logical_cint_operand): Delete.
7255         (got_operand): Delete.
7256         (got_no_const_operand): Delete.
7257         (easy_fp_constant): Delete.
7258         (easy_vector_constant): Delete.
7259         (easy_vector_constant_add_self): Delete.
7260         (zero_constant): Delete.
7261         (zero_fp_constant): Delete.
7262         (volatile_mem_operand): Delete.
7263         (offsettable_mem_operand): Delete.
7264         (mem_or_easy_const_operand): Delete.
7265         (add_operand): Delete.
7266         (non_add_cint_operand): Delete.
7267         (logical_operand): Delete.
7268         (non_logical_cint_operand): Delete.
7269         (mask_operand): Delete.
7270         (mask_operand_wrap): Delete.
7271         (mask64_operand): Delete.
7272         (mask64_2_operand): Delete.
7273         (and64_operand): Delete.
7274         (and64_2_operand): Delete.
7275         (and_operand): Delete.
7276         (reg_or_mem_operand): Delete.
7277         (lwa_operand): Delete.
7278         (symbol_ref_operand): Delete.
7279         (call_operand): Delete.
7280         (current_file_function_operand): Delete.
7281         (input_operand): Delete.
7282         (rs6000_nonimmediate_operand): Delete.
7283         (rs6000_tls_symbol_ref): Delete.
7284         (save_world_operation): Delete.
7285         (restore_world_operation): Delete.
7286         (load_multiple_operation): Delete.
7287         (store_multiple_operation): Delete.
7288         (vrsave_operation): Delete.
7289         (mfcr_operation): Delete.
7290         (mtcrf_operation): Delete.
7291         (lmw_operation): Delete.
7292         (stmw_operation): Delete.
7293         (branch_comparison_operator): Delete.
7294         (branch_positive_comparison_operator): Delete.
7295         (scc_comparison_operator): Delete.
7296         (trap_comparison_operator): Delete.
7297         (boolean_operator): Delete.
7298         (boolean_or_operator): Delete.
7299         (min_max_operator): Delete.
7300         * config/rs6000/rs6000.h (RS6000_SYMBOL_REF_TLS_P): Move to here.
7301         (EASY_VECTOR_15): Moved to here.
7302         (EASY_VECTOR_15_ADD_SELF): Move to here.
7303         (PREDICATE_CODES): Delete.
7304         * config/rs6000/rs6000-protos.h: Delete predicate functions.
7305         Declare functions no longer static.
7306         * config/rs6000/predicates.md: New.
7307         * config/rs6000/rs6000.md: Include predicates.md
7308
7309 2005-02-28  Kazu Hirata  <kazu@cs.umass.edu>
7310
7311         * calls.c (emit_call_1): Don't use  REG_ALWAYS_RETURN.
7312         (emit_library_call_value_1): Don't use LCT_ALWAYS_RETURN and
7313         REG_ALWAYS_RETURN.
7314         * cfgrtl.c (need_fake_edge_p): Likewise.
7315         * combine.c (distribute_notes): Likewise.
7316         * emit-rtl.c (try_split): Likewise.
7317         * recog.c (peephole2_opimize): Likewise.
7318         * reg-notes.def (ALWAYS_RETURN): Remove.
7319         * rtl.h (LCT_ALWAYS_RETURN): Remove.
7320         * tree-cfg.c (need_fake_edge_p): Don't use ECF_ALWAYS_RETURN.
7321         * tree.h (ECF_ALWAYS_RETURN): Remove.
7322
7323 2005-02-28  Roger Sayle  <roger@eyesopen.com>
7324
7325         PR middle-end/19874
7326         * tree-ssa.c (tree_ssa_useless_type_conversion_1): A conversion
7327         between different machine modes is never a "useless" conversion.
7328
7329 2005-02-28  Geert Bosch  <bosch@gnat.com>
7330
7331         PR ada/15977
7332         * doc/contrib.texi: List contributors for Ada front end
7333
7334 2005-02-28 Paolo Bonzini <bonzini@gnu.org>
7335
7336         * simplify-rtx.c (simplify_unary_operation_1,
7337         simplify_const_unary_operation): New, extracted from...
7338         (simplify_unary_operation): ... this one.
7339         (simplify_binary_operation_1,
7340         simplify_const_binary_operation): New, extracted from...
7341         (simplify_binary_operation): ... this one.
7342         * rtl.h (simplify_const_unary_operation,
7343         simplify_const_binary_operation): Add prototypes.
7344
7345 2005-02-28  Julian Brown  <julian@codesourcery.com>
7346
7347         * config/elfos.h: Revert my patch from 2005-02-25 since it broke
7348         building libjava and caused PR regression/20228.
7349
7350 2005-02-28  Paolo Bonzini  <bonzini@gnu.org>
7351
7352         PR bootstrap/17383
7353         * Makefile.in (host_subdir): New.
7354         (build_objdir): New.  Replace ../$(build_subdir) with it throughout.
7355         * configure: Regenerate.
7356
7357 2005-02-27  Zack Weinberg  <zack@codesourcery.com>
7358
7359         * config/alpha/t-osf4, config/arm/t-netbsd, config/ia64/t-hpux
7360         * config/pa/t-hpux-shlib (SHLIB_INSTALL): Create the
7361         installation directory first.
7362
7363 2005-02-28  Hans-Peter Nilsson  <hp@axis.com>
7364
7365         PR target/19065.
7366         * config/cris/cris.h (EXTRA_CONSTRAINT_Q): Accept only (mem (reg)),
7367         not including (reg). Do not check for reg being CRIS_PC_REGNUM.
7368         (EXTRA_MEMORY_CONSTRAINT): Define as 'Q'.
7369         * config/cris/cris.md: Tweak comments referring to Q.
7370         ("cmpsi", "cmphi", "cmpqi", "*movsi_internal", "movhi")
7371         ("movstricthi", "movqi", "movstrictqi", "movsf", "addsi3")
7372         ("addhi3", "addqi3", "subsi3", "subhi3", "subqi3")
7373         ("*expanded_andsi", "*expanded_andhi", "*andhi_lowpart", "andqi3")
7374         ("*andqi_lowpart", "iorsi3", "iorhi3", "iorqi3", "uminsi3"):
7375         Insert spaces in constraints to align alternatives vertically for
7376         readability.
7377         ("cmphi"): Ditto.  Add separate alternative for operand 0 "r",
7378         operand 1: "M".
7379
7380 2005-02-27  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
7381
7382         PR rtl-optimization/17728
7383         * pa.md (mulsi3, divsi3, udivsi3, modsi3): Change predicate for
7384         operand 0 from general_operand to move_dest_operand.
7385
7386 2005-02-26  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
7387
7388         * pa/elf.h, pa/som.h (ASM_OUTPUT_EXTERNAL): Use assemble_name_raw
7389         instead of trying to save and restore TREE_SYMBOL_REFERENCED.
7390         * pa/pa64-hpux.h (ASM_OUTPUT_TYPE_DIRECTIVE): Define.
7391         (ASM_OUTPUT_EXTERNAL): Don't save and restore TREE_SYMBOL_REFERENCED.
7392
7393 2005-02-26  Nathanael Nerode  <neroden@gcc.gnu.org>
7394
7395         * configure.ac: Rename cc_for_cross_gnattools to host_cc_for_libada.
7396         * configure: Regenerate.
7397         * libada-mk.in: Remove CC; rename
7398         cc_for_cross_gnattools / cc_set_by_configure to host_cc_for_libada.
7399
7400 2005-02-26  Andrew Pinski  <pinskia@physics.uc.edu>
7401
7402         PR tree-opt/20188
7403         * tree-ssa-alias.c (count_uses_and_derefs): If we have TREE_LIST
7404         for the lhs, also walk over the tree.  Likewise for rhs.
7405
7406 2005-02-26  Zdenek Dvorak  <dvorakz@suse.cz>
7407
7408         * tree-ssa-dom.c (simple_iv_increment_p): New function.
7409         (simplify_rhs_and_lookup_avail_expr, eliminate_redundant_computations):
7410         Do not propagate value of iv before increment over the increment.
7411
7412 2005-02-25  Joseph S. Myers  <joseph@codesourcery.com>
7413
7414         * c-parser.c: New file.
7415         * c-parse.in: Remove.
7416         * Makefile.in (c-parse.o-warn, c-parse.o, c-parse.c, c-parse.y):
7417         Remove.
7418         (c-parser.o): Add dependencies.
7419         (C_AND_OBJC_OBJC, C_OBJS, gcc.srcextra, GTFILES, distclean,
7420         maintainer-clean, TAGS): Update.
7421         * c-config-lang.in (gtfiles): Update.
7422         * gengtype-lex.l: Don't handle "@@".
7423         * stub-objc.c (objc_get_class_ivars, objc_build_throw_stmt,
7424         objc_build_synchronized, objc_begin_try_stmt,
7425         objc_begin_catch_clause, objc_finish_catch_clause,
7426         objc_build_finally_clause, objc_finish_try_stmt): New.
7427         * c-tree.h (struct c_declspecs): Add declspecs_seen_p and
7428         type_seen_p.
7429         (c_parse_init): Update comment.
7430         * c-decl.c (c_init_decl_processing): Update comment.
7431         (build_null_declspecs, declspecs_add_qual, declspecs_add_type,
7432         declspecs_add_scspec, declspecs_add_attrs): Initialize and update
7433         new c_declspecs members.
7434
7435 2005-02-25  Julian Brown  <julian@codesourcery.com>
7436
7437         * config/elfos.h (MAKE_DECL_ONE_ONLY): Redefined to stop DECL_WEAK
7438         from being used for symbols with vague linkage when
7439         HAVE_GAS_COMDAT_GROUP is true.
7440
7441 2005-02-25  Mark Mitchell  <mark@codesourcery.com>
7442
7443         * doc/include/gcc-common.texi (version-GCC): Update to 4.1.
7444
7445 2005-02-25  Steve Ellcey  <sje@cup.hp.com>
7446
7447         PR target/19930
7448         * doc/tm.texi (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Document.
7449         (LIBGCC2_HAS_DF_MODE): New.
7450         (LIBGCC2_HAS_XF_MODE): New.
7451         (LIBGCC2_HAS_TF_MODE): New.
7452         * libgcc2.h (LIBGCC2_HAS_XF_MODE): New name for HAVE_XFMODE.
7453         (LIBGCC2_HAS_TF_MODE): New name for HAVE_TFMODE.
7454         * libgcc2.c (LIBGCC2_HAS_XF_MODE): New name for HAVE_XFMODE.
7455         (LIBGCC2_HAS_TF_MODE): New name for HAVE_TFMODE.
7456         (LIBGCC2_HAS_DF_MODE): New name for HAVE_DFMODE.
7457         * config/ia64/t-ia64 (LIB1ASMFUNCS): Remove __compat
7458         and add _fixtfdi, _fixunstfdi, _floatditf
7459         * lib1funcs.asm: Remove L__compat. Add L_fixtfdi,
7460         L_fixunstfdi, L_floatditf.
7461         * config/ia64/hpux.h (LIBGCC2_HAS_XF_MODE): Define.
7462         (LIBGCC2_HAS_TF_MODE): Define.
7463
7464 2005-02-25  Diego Novillo  <dnovillo@redhat.com>
7465
7466         PR tree-optimization/20204
7467         * tree-into-ssa.c (insert_phi_nodes_for): Do not use
7468         REWRITE_THIS_STMT markers on PHI nodes.
7469         (rewrite_initialize_block): Likewise.
7470
7471 2005-02-25  Mark Mitchell  <mark@codesourcery.com>
7472
7473         * version.c (version_string): Update to 4.1.
7474
7475 2005-02-25  Paolo Carlini  <pcarlini@suse.de>
7476
7477         * doc/extend.texi (5.24 Declaring Attributes of Functions)<noreturn>:
7478         Clarify that the alternative way doesn't work in GNU C++.
7479
7480 2005-02-25  Zdenek Dvorak  <dvorakz@suse.cz>
7481
7482         PR tree-optimization/19937
7483         * tree-ssa-loop-ivopts.c (rewrite_use_compare): Cast the final value
7484         to the type of the induction variable.
7485
7486 2005-02-25  Kaz Kojima  <kkojima@gcc.gnu.org>
7487
7488         PR rtl-optimization/20117
7489         * bb-reorder.c (duplicate_computed_gotos): Don't duplicate
7490         the block including noncopyable insn.
7491
7492 2005-02-24  Kazu Hirata  <kazu@cs.umass.edu>
7493
7494         * cse.c (delete_trivially_dead_insns): Speed up by minimizing
7495         calls to find_reg_note.
7496
7497 2005-02-24  Richard Henderson  <rth@redhat.com>
7498
7499         PR tree-opt/20127
7500         * tree-sra.c (instantiate_element): Copy TREE_THIS_VOLATILE from
7501         the type.
7502
7503 2005-02-24  Fariborz Jahanian <fjahanian@apple.com>
7504
7505         * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Check for
7506         vector types if to use base reg for misaligned non-word ld/std.
7507
7508 2005-02-24  Hans-Peter Nilsson  <hp@axis.com>
7509
7510         PR target/14619
7511         * config/cris/cris.c (cris_target_asm_function_prologue): Create
7512         dwarf2 label manually and put it after, not before the prologue.
7513
7514 2005-02-24  David Edelsohn  <edelsohn@gnu.org>
7515
7516         PR target/19019
7517         * reload.c (operands_match_p): Only increment register number for
7518         SCALAR_INT_MODE_P modes in multiple hard registers.
7519
7520         * config/rs6000/rs6000.md (trunctfdf2): Remove register constraints.
7521         Fix formatting.
7522
7523 2005-02-24  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
7524
7525         * ChangeLog.5: Fix log message typo(s).
7526         * ChangeLog.7: Likewise.
7527         * ChangeLog.tree-ssa: Likewise.
7528         * cfgexpand.c: Fix comment typo(s).
7529         * conflict.c: Likewise.
7530         * defaults.h: Likewise.
7531         * dwarf2out.c: Likewise.
7532         * gcse.c: Likewise.
7533         * ggc-page.c: Likewise.
7534         * tree-eh.c: Likewise.
7535         * tree-ssa-dom.c: Likewise.
7536
7537 2005-02-24  Jakub Jelinek  <jakub@redhat.com>
7538
7539         PR target/19019
7540         * mklibgcc.in: Pass -DSHARED when compiling all *_s${objext} objects.
7541         * config/rs6000/darwin-ldouble.c: Only use the .symver directives
7542         if SHARED is defined.
7543
7544         PR target/20196
7545         * config/rs6000/rs6000.md (LTU, GTU sCC splitters): Add earlyclobber,
7546         allow splitting only if operands 0 and 3 don't overlap.
7547
7548 2005-02-24  Richard Henderson  <rth@redhat.com>
7549
7550         PR middle-end/19953
7551         * builtins.c (fold_builtin_complex_mul, fold_builtin_complex_div): New.
7552         (fold_builtin_1): Call them.
7553         * fold-const.c (fold_complex_mult_parts): Split out from ...
7554         (fold_complex_mult): ... here.  Fix typo in both imaginary case.
7555         (fold_complex_div_parts, fold_complex_div): New.
7556         (fold): Use them.
7557         * tree.h (fold_complex_mult_parts, fold_complex_div_parts): Declare.
7558
7559 2005-02-24  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
7560
7561         * tree-ssa-ccp.c (visit_assignment): Verify that result of
7562         VIEW_CONVERT_EXPR is_gimple_min_invariant.
7563
7564         * print-tree.c (print_node_brief): Print LABEL_DECL_UID.
7565         (print_node): Likewise.
7566         Print TYPE_SIZES_GIMPLIFIED.
7567
7568 2005-02-24  Hans-Peter Nilsson  <hp@axis.com>
7569
7570         * config/cris/cris.md ("umulhisi3", "umulqihi3", "mulsi3")
7571         ("mulqihi3", "mulhisi3", "mulsidi3", "umulsidi3"): Mark input
7572         operands as commutative in constraints.
7573
7574 2005-02-24  Diego Novillo  <dnovillo@redhat.com>
7575
7576         * tree-into-ssa.c: Re-organize internal functions.
7577
7578 2005-02-24  Richard Henderson  <rth@redhat.com>
7579
7580         PR middle-end/18902
7581         * c-opts.c (c_common_post_options): Set flag_complex_method to 2
7582         for c99.
7583         * common.opt (fcx-limited-range): New.
7584         * opts.c (set_fast_math_flags): Set flag_cx_limited_range.
7585         * toplev.c (flag_complex_method): Initialize to 1.
7586         (process_options): Set flag_complex_method to 0 if
7587         flag_cx_limited_range.
7588         * doc/invoke.texi (-fcx-limited-range): New.
7589
7590 2005-02-24  Kazu Hirata  <kazu@cs.umass.edu>
7591
7592         * cse.c (delete_trivially_dead_insns): Speed up by using
7593         NEXT_INSN and PREV_INSN directly instead of next_real_insn and
7594         prev_real_insn.
7595
7596 2005-02-24  Andrea Tarani  <andrea.tarani@gilbarco.com>
7597
7598         * config/m68k/m68k.c (m68k_save_reg): Also save A5 for non-leaf
7599         functions when -mid-shared-library is being used.
7600
7601 2005-02-23  Daniel Jacobowitz  <dan@codesourcery.com>
7602
7603         * doc/tm.texi (LINK_LIBGCC_SPECIAL): Remove.
7604         (LINK_LIBGCC_SPECIAL_1): Don't mention it.
7605         * gcc.c: Don't check for LINK_LIBGCC_SPECIAL.
7606         * system.h: Poison LINK_LIBGCC_SPECIAL.
7607
7608 2005-02-23  James E Wilson  <wilson@specifixinc.com>
7609
7610         * gengtype.c (note_insn_name): Make 1 element larger.
7611
7612 2005-02-23  Roger Sayle  <roger@eyesopen.com>
7613
7614         PR target/20018
7615         PR rtl-optimization/20097
7616         * simplify-rtx.c (simplify_relational_operation_1): Avoid creating
7617         BImode SUBREGs of SImode registers which confuse the ia64 backend.
7618
7619 2005-02-23  David Edelsohn  <edelsohn@gnu.org>
7620
7621         * t-aix43 (SHLIB_INSTALL): Create directory for shared library.
7622         * t-aix52 (SHLIB_INSTALL): Same.
7623
7624 2005-02-23  Kazu Hirata  <kazu@cs.umass.edu>
7625
7626         * genpreds.c: Update copyright.
7627
7628 2005-02-23  Michael Beach  <michaelb@ieee.org>
7629
7630         PR target/20159
7631         * config/sparc/t-elf (startup files): Assemble with CPP.
7632
7633 2005-02-23  Paolo Bonzini  <bonzini@gnu.org>
7634
7635         * genpreds.c (mark_mode_tests): Handle non-VOIDmode match_operands.
7636         (write_predicate_expr): Likewise.
7637
7638 2005-02-22  Diego Novillo  <dnovillo@redhat.com>
7639
7640         PR tree-optimization/20100
7641         PR tree-optimization/20115
7642         * tree-optimize.c (init_tree_optimization_passes): Remove
7643         pass_maybe_create_global_var.
7644         * tree-pass.h (pass_maybe_create_global_var): Remove.
7645         * tree-ssa-alias.c (aliases_computed_p): Declare.
7646         (struct alias_info): Add field NUM_PURE_CONST_CALLS_FOUND.
7647         (count_calls_and_maybe_create_global_var): Remove.
7648         (pass_maybe_create_global_var): Remove.
7649         (init_alias_info): Do not declare aliases_computed_p.
7650         (maybe_create_global_var): If the function contains no
7651         call-clobbered variables and a mix of pure/const and regular
7652         function calls, create .GLOBAL_VAR.
7653         Mark all call-clobbered variables for renaming.
7654         (merge_pointed_to_info): Update comment.
7655         (add_pointed_to_var): Likewise.
7656         (is_escape_site): Likewise.
7657         Accept struct alias_info * instead of size_t *.
7658         Update all users.
7659         Update AI->NUM_CALLS_FOUND and AI->NUM_PURE_CONST_CALLS_FOUND
7660         as necessary.
7661         * tree-ssa-operands.c (get_call_expr_operands): If
7662         ALIASES_COMPUTED_P is false, do not add call-clobbering
7663         operands.
7664         * tree-ssa.c (init_tree_ssa): Set ALIASES_COMPUTED_P to false.
7665         (delete_tree_ssa): Likewise.
7666
7667 2005-02-22  James E Wilson  <wilson@specifixinc.com>
7668
7669         * toplev.c (backend_init): Don't call init_adjust_machine_modes here.
7670         (do_compile): Do call it here.
7671
7672 2005-02-22  Kazu Hirata  <kazu@cs.umass.edu>
7673
7674         PR rtl-optimization/20017.
7675         * passes.c (rest_of_handle_combine, rest_of_handle_cse,
7676         rest_of_handle_cse2, rest_of_handle_gcse): Call
7677         delete_dead_jumptables immediately before calling cleanup_cfg.
7678
7679 2005-02-22  Devang Patel  <dpatel@apple.com>
7680
7681         PR 19952
7682         * tree-if-conv.c (process_phi_nodes): Use bsi_after_labels and skip
7683         all labels
7684
7685 2005-02-22  David Edelsohn  <edelsohn@gnu.org>
7686
7687         * config/rs6000/aix.h (WINT_TYPE): Define.
7688
7689 2005-02-22  Stan Shebs  <shebs@apple.com>
7690
7691         * config/rs6000/rs6000.c (rs6000_override_options): Default to
7692         natural alignment for 64-bit Darwin.
7693         (rs6000_parse_alignment_option): Warn about uses of -malign-power
7694         on 64-bit Darwin.
7695         * doc/invoke.texi: Document this.
7696
7697 2005-02-22  DJ Delorie  <dj@redhat.com>
7698
7699         * c-common.c (c_common_type_for_mode): Pass the mode's precision
7700         to make_[un]signed_type, not the mode itself.
7701
7702 2005-02-22  Kazu Hirata  <kazu@cs.umass.edu>
7703
7704         * cfg.c (cached_make_edge): Call make_edge if edge cache is
7705         not available.  Use tail calls wherever possible.
7706         (make_edge): Call unchecked_make_edge to create an edge.
7707
7708         * tree-outof-ssa.c (SSANORM_USE_COALESCE_LIST): Remove.
7709         (coalesce_ssa_name): Don't check for
7710         SSANORM_USE_COALESCE_LIST.
7711         (rewrite_out_of_ssa): Don't use SSANORM_USE_COALESCE_LIST.
7712
7713 2005-02-22  Diego Novillo  <dnovillo@redhat.com>
7714
7715         * tree-into-ssa.c (rewrite_blocks): Move debug dumps from ...
7716         (rewrite_into_ssa): ... here.
7717
7718 2005-02-21  Alexandre Oliva  <aoliva@redhat.com>
7719
7720         PR tree-optimization/19786
7721         * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add one
7722         tag to another's may-alias bitmap when adding to the other's list.
7723
7724 2005-02-21  DJ Delorie  <dj@redhat.com>
7725
7726         * tree-ssa-loop-ivopts.c (computation_cost): Start register
7727         numbering at LAST_VIRTUAL_REGISTER+1 to avoid possibly using hard
7728         registers in unsupported ways.
7729         * expmed.c (init_expmed): Likewise.
7730
7731 2005-02-21  Stan Cox  <scox@redhat.com>
7732
7733         * config/iq2000/iq2000.h (DWARF_FRAME_RETURN_COLUMN): Change to 31.
7734
7735 2005-02-21  Kazu Hirata  <kazu@cs.umass.edu>
7736
7737         * tree-cfg.c (fold_cond_expr_cond): New.
7738         (make_edges): Call fold_cond_expr_cond.
7739         (find_taken_edge): Accept nothing but INTEGER_CST.
7740         (find_taken_edge_cond_expr): Reject INTEGER_CST other than 0
7741         and 1.
7742         (find_taken_edge_switch_expr): Remove a check for INTEGER_CST.
7743
7744         * flow.c (delete_dead_jumptables): Speed up by scanning insns
7745         that do not belong to any basic block.
7746
7747 2005-02-21  Jeff Law  <law@redhat.com>
7748
7749         * cfganal.c (find_unreachable_blocks): Manually CSE load of
7750         e->dest.
7751
7752 2005-02-21  Kazu Hirata  <kazu@cs.umass.edu>
7753
7754         * tree-outof-ssa.c (SSANORM_REMOVE_ALL_PHIS): Remove.
7755         (SSANORM_COALESCE_PARTITIONS, SSANORM_USE_COALESCE_LIST):
7756         Adjust their definitions.
7757         (remove_ssa_form): Don't check for SSANORM_REMOVE_ALL_PHIS.
7758         (rewrite_out_of_ssa): Don't use SSANORM_REMOVE_ALL_PHIS.
7759
7760         * c-objc-common.h, c-pretty-print.c, cgraphunit.c, except.c,
7761         genautomata.c, langhooks.c, langhooks.h, system.h,
7762         config/arm/lib1funcs.asm: Update copyright.
7763
7764 2005-02-21  Ulrich Weigand  <uweigand@de.ibm.com>
7765
7766         * dbxout.c (dbxout_function_end): Emit Lscope label always.
7767
7768 2005-02-21  Richard Guenther  <rguenth@gcc.gnu.org>
7769
7770         PR bootstrap/13770
7771         * doc/install.texi: Document --with-gc.
7772
7773 2005-02-21  Paolo Bonzini  <bonzini@gnu.org>
7774
7775         * simplify-rtx.c (simplify_unary_operation): Add a missing
7776         "break" statement.
7777
7778 2005-02-21  Eric Botcazou  <ebotcazou@libertysurf.fr>
7779
7780         PR tree-optimization/18663
7781         * tree-ssa-dom.c (extract_range_from_cond): Return 0
7782         if the type has variable bounds.
7783
7784 2005-02-20  Kazu Hirata  <kazu@cs.umass.edu>
7785
7786         * gcse.c: Remove an obsolete comment.
7787
7788         * cse.c (init_cse_reg_info): Use xmalloc instead of xrealloc.
7789
7790 2005-02-20  Hans-Peter Nilsson  <hp@axis.com>
7791
7792         * doc/extend.texi (Function Attributes) <Attribute const>: The
7793         attribute "pure" is below this text, not above.
7794
7795 2005-02-20  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
7796
7797         * pa.c (pa_assemble_integer, get_plabel): Small cleanups.
7798         (pa_asm_output_mi_thunk): Use asm_output_insn instead of fprintf.
7799         * som.h (ASM_OUTPUT_EXTERNAL_LIBCALL): Small cleanup.
7800
7801 2005-02-20  Zack Weinberg  <zack@codesourcery.com>
7802
7803         PR 18785
7804         * langhooks.h (struct lang_hooks): Add to_target_charset.
7805         * langhooks.c (lhd_to_target_charset): New function.
7806         * langhooks-def.h: Declare lhd_to_target_charset.
7807         (LANG_HOOKS_TO_TARGET_CHARSET): New macro.
7808         (LANG_HOOKS_INITIALIZER): Update.
7809         * c-common.c (c_common_to_target_charset): New function.
7810         * c-common.h: Declare it.
7811         * c-objc-common.h (LANG_HOOKS_TO_TARGET_CHARSET): Set to
7812         c_common_to_target_charset.
7813
7814         * defaults.c (TARGET_BELL, TARGET_BS, TARGET_CR, TARGET_DIGIT0)
7815         (TARGET_ESC, TARGET_FF, TARGET_NEWLINE, TARGET_TAB, TARGET_VT):
7816         Delete definitions.
7817         * system.h: Poison them.
7818         * doc/tm.texi: Don't discuss them.
7819         * builtins.c (fold_builtin_isdigit): Use lang_hooks.to_target_charset.
7820         * c-pretty-print.c (pp_c_integer_constant): Don't use pp_c_char.
7821         (pp_c_char): Do not attempt to generate letter escapes for
7822         newline, tab, etc.
7823         * config/arm/arm.c (output_ascii_pseudo_op): Likewise.
7824         * config/mips/mips.c (mips_output_ascii): Likewise.
7825
7826 2005-02-20  Dorit Naishlos  <dorit@il.ibm.com>
7827
7828         PR tree-optimization/19951
7829         * tree-vect-analyze.c (vect_analyze_loop_form): Check if loop exit edge
7830         is abnormal.
7831
7832 2005-02-19  Steven Bosscher  <stevenb@suse.de>
7833
7834         PR middle-end/19698
7835         * function.h (struct function): New field `max_loop_depth'.
7836         * cfgloop.c (establish_preds): Update maximum loop depth seen so far.
7837         (flow_loops_find): Reset the max loop depth count before finding loops.
7838         * flow.c (MAX_LIVENESS_ROUNDS): New constant.
7839         (update_life_info_in_dirty_blocks): Remove 2002-05-28 workaround.
7840         (calculate_global_regs_live): Make sure the loop will terminate
7841         when the initial sets are not empty.
7842
7843 2005-02-19  Zack Weinberg  <zack@codesourcery.com>
7844
7845         * mklibgcc.in: If libgcc_eh.a would be empty, put a dummy
7846         object inside.
7847         * config/ia64/hpux.h: Don't define LIBGCC_SPEC.
7848
7849 2005-02-19  Richard Sandiford  <rsandifo@redhat.com>
7850
7851         PR other/19525
7852         * doc/invoke.texi: Remove documentation of %M spec.
7853         * gcc.c: Likewise.
7854         (init_spec): Remove %M suffix from -lgcc_s.
7855         (do_spec_1): Remove 'M' case.
7856         * mklibgcc.in: Remove SHLIB_MULTILIB handling.  Expect SHLIB_LINK
7857         to put shared libraries in the multilib directory.  Remove the
7858         shlib_so_soname substitution variable.  Don't add a multilib encoding
7859         to shlib_base_name.  Set shlib_slibdir_qual to the full pathname
7860         reported by -print-multi-os-directory.  Pass @multilib_dir@ to
7861         SHLIB_INSTALL as well as SHLIB_LINK.
7862         * config/t-slibgcc-elf-ver (SHLIB_SONAME): Use @shlib_base_name@.
7863         (SHLIB_NAME): Delete.
7864         (SHLIB_DIR): New macro.
7865         (SHLIB_LINK): Put $(SHLIB_SONAME) and $(SHLIB_SOLINK) in $(SHLIB_DIR).
7866         (SHLIB_INSTALL): Adjust accordingly.
7867         * config/t-slibgcc-darwin: As for t-slibgcc-elf-ver.
7868         * config/t-slibgcc-sld: Likewise.
7869         * config/t-libunwind-elf (SHLIBUNWIND_NAME): Delete.
7870         (SHLIBUNWIND_SONAME): Use @shlib_base_name@.
7871         (SHLIBUNWIND_LINK): Put $(SHLIBUNWIND_SONAME) and $(SHLIB_SOLINK)
7872         in $(SHLIB_DIR).
7873         (SHLIBUNWIND_INSTALL): Adjust accordingly.
7874         * config/i386/t-nwld (SHLIB_SONAME): Delete.
7875         (SHLIB_LINK, SHLIB_INSTALL): Use SHLIB_NAME instead of SHLIB_SONAME.
7876         Use @shlib_base_name@ instead of @shlib_so_name@.
7877         * config/ia64/t-hpux (SHLIB_LINK): Put @shlib_base_name@.so.0
7878         and @shlib_base_name@.so in @multilib_dir@.
7879         (SHLIB_INSTALL): Adjust accordingly.  Add @shlib_slibdir_qual@
7880         to the install path.
7881         * config/mips/t-slibgcc-irix: As for t-slibgcc-elf-ver.
7882         (SHLIB_LINK): Remove previous workaround.
7883         * config/pa/t-hpux-shlib (SHLIB_DIR, SHLIB_SLIBDIR_QUAL): New macros.
7884         (SHLIB_LINK): Put $(SHLIB_SONAME) and $(SHLIB_NAME) in $(SHLIB_DIR).
7885         (SHLIB_INSTALL): Adjust accordingly.  Add $(SHLIB_SLIBDIR_QUAL) to
7886         the install path.
7887         * config/rs6000/t-aix43 (SHLIB_LINK): Put @shlib_base_name@.a in
7888         @multilib_dir@.  Use @multilib_dir@ to check for threading libraries.
7889         (SHLIB_INSTALL): Adjust accordingly.
7890         (SHLIB_LIBS): Use @multilib_dir@ to check for threading libraries.
7891         * config/rs6000/t-aix52: As for config/rs6000/t-aix43.
7892         * config/sh/t-linux (SHLIB_LINK, SHLIB_INSTALL): As for
7893         config/t-slibgcc-elf-ver.
7894
7895 2005-02-19  Zdenek Dvorak  <dvorakz@suse.cz>
7896             Jakub Jelinek  <jakub@redhat.com>
7897
7898         PR tree-optimization/19828
7899         * tree-ssa-loop-im.c: Add a TODO comment.
7900         (movement_possibility): Return MOVE_PRESERVE_EXECUTION for calls
7901         without side-effects.
7902
7903 2005-02-18  James A. Morrison  <phython@gcc.gnu.org>
7904
7905         * tree-ssa-ccp.c (widen_bitfield): Pass type to build_int_cst and don't
7906         call fold_convert.
7907
7908 2005-02-18  James E. Wilson  <wilson@specifixinc.com>
7909
7910         * doc/invoke.texi (IA-64 Options): Delete -mb-step.
7911         * config/ia64/ia64.c (last_group, group_idx): Delete variables.
7912         (errata_find_address_regs, errata_emit_nops, fixup_errata): Delete
7913         functions.
7914         (ia64_reorg): Delete fixup_errata call.
7915         * config/ia64/ia64.h (MASK_B_STEP, TARGET_B_STEP): Delete.
7916         (TARGET_SWITCHES): Delete -mb-step entry.
7917
7918 2005-02-19  Jakub Jelinek  <jakub@redhat.com>
7919
7920         PR c/20043
7921         * c-typeck.c (composite_type): Handle quals in transparent unions.
7922         (type_lists_compatible_p): Likewise.
7923
7924 2005-02-18  Stan Shebs  <shebs@apple.com>
7925
7926         * config/darwin.c (machopic_select_rtx_section): Don't put relocatable
7927         expressions in the .literal8 section.
7928
7929 2005-02-18  Geoffrey Keating  <geoffk@apple.com>
7930
7931         * config/rs6000/darwin-tramp.asm: Remove stray 'APPLE LOCAL' marker.
7932
7933 2005-02-18  Roger Sayle  <roger@eyesopen.com>
7934
7935         * fold-const.c (constant_boolean_node): Always create values of the
7936         specified type, don't bother calling truthvalue_conversion.
7937
7938 2005-02-18  Joseph S. Myers  <joseph@codesourcery.com>
7939
7940         * except.c (output_function_exception_table): Call
7941         assemble_external_libcall (eh_personality_libfunc).
7942
7943 2005-02-18  Joseph S. Myers  <joseph@codesourcery.com>
7944
7945         PR target/19886
7946         * config/ia64/ia64.h (struct machine_function): Add state_num.
7947         * config/ia64/ia64.c (process_epilogue,
7948         process_for_unwind_directive): Use new unwind state numbers each
7949         time rather than state 1.
7950
7951 2005-02-18  Ulrich Weigand  <uweigand@de.ibm.com>
7952
7953         PR target/20054
7954         * config/s390/s390.md ("*llgt_sidi", "*llgt_sidi_split"): Move to
7955         before the "*llgt_didi" pattern.
7956
7957 2005-02-18  Jason Merrill  <jason@redhat.com>
7958
7959         * gimplify.c (gimplify_modify_expr_rhs) [CALL_EXPR]: Revert again.
7960
7961 2005-02-18  Richard Earnshaw  <rearnsha@arm.com>
7962
7963         * arm/lib1funcs.asm (FUNC_ALIAS): New macro.
7964         (div0): Use it in place of ARM_FUNC_ALIAS.
7965         (lshrdi3, ashrdi3, ashlrdi3): Likewise.
7966
7967 2005-02-18  Andrew Pinski  <pinskia@physics.uc.edu>
7968
7969         PR middle-end/20030
7970         * fold-const.c (fold_indirect_ref_1): Use the correct index for zero
7971         access, the lower bound of the array type if it exists.
7972
7973 2005-02-18  Alexandre Oliva  <aoliva@redhat.com>
7974
7975         PR c++/20008
7976         * stmt.c (expand_case): Don't assume cleanup_tree_cfg will remove
7977         cases that are out-of-range for the index type.
7978
7979 2005-02-18  James A. Morrison  <phython@gcc.gnu.org>
7980
7981         * stmt.c (emit_case_bit_tests): Call fold_convert instead of convert.
7982         (estimate_case_costs): Don't call convert.
7983         * expmed.c (expand_shift): Likewise.
7984         (make_tree): Call fold_convert instead of convert.
7985
7986 2005-02-18  Jakub Jelinek  <jakub@redhat.com>
7987
7988         PR c++/19813
7989         * emit-rtl.c (set_mem_attributes_minus_bitpos): Add assertion
7990         that ref to be marked MEM_READONLY_P doesn't have base that needs
7991         constructing.
7992
7993 2005-02-18  Joseph S. Myers  <joseph@codesourcery.com>
7994
7995         * genautomata.c (output_get_cpu_unit_code_func,
7996         output_cpu_unit_reservation_p): Don't generate old-style function
7997         definitions.
7998
7999 2005-02-18  Jakub Jelinek  <jakub@redhat.com>
8000
8001         PR c++/20023
8002         PR tree-optimization/20009
8003         * convert.c (convert_to_integer): Revert 2005-02-16 change.
8004
8005         PR tree-optimization/18947
8006         * cgraphunit.c (cgraph_finalize_function): When redefining an extern
8007         inline, remove all nodes that are inlined into the extern inline
8008         being redefined.
8009
8010 2005-02-17  Kazu Hirata  <kazu@cs.umass.edu>
8011
8012         * bt-load.c, cfgloop.c, convert.c, dominance.c, global.c,
8013         loop-invariant.c, stmt.c, tree-ssa-forwprop.c,
8014         tree-ssa-live.c, tree-ssanames.c, tree-vn.c,
8015         config/host-linux.c, config/arm/fpa.md, config/avr/avr.h:
8016         Update copyright.
8017
8018 2005-02-17  Roger Sayle  <roger@eyesopen.com>
8019
8020         PR tree-optimization/19917
8021         * tree-eh.c (tree_could_trap_p): Consider calls to weak functions
8022         to be potentially trapping.
8023
8024 2005-02-17  Kazu Hirata  <kazu@cs.umass.edu>
8025
8026         * libgcc2.c, tree-vect-analyze.c: Fix comment typos.
8027
8028 2005-02-17  Andreas Krebbel  <krebbel1@de.ibm.com>
8029
8030         * builtins.c (expand_builtin_return_addr): Remove tem parameter.
8031         tem becomes a local variable which is set to the value of the
8032         back end defined INITIAL_FRAME_ADDRESS macro.
8033         (expand_builtin_frame_address): Omit the base parameter to
8034         expand_builtin_return_addr.
8035         (expand_builtin_profile_func): Likewise.
8036         * config/s390/s390.h (INITIAL_FRAME_ADDRESS_RTX): Define new macro.
8037         (DYNAMIC_CHAIN_ADDRESS): Remove the case for the initial frame.
8038         * doc/tm.texi: Documentation for INITIAL_FRAME_ADDRESS_RTX added.
8039
8040 2005-02-17  Jakub Jelinek  <jakub@redhat.com>
8041
8042         * config/s390/s390.c (s390_alloc_pool, s390_free_pool,
8043         s390_chunkify_start): Use BITMAP_ALLOC and BITMAP_FREE.
8044         * config/frv/frv.c (frv_function_epilogue): Likewise.
8045
8046 2005-02-17  Daniel Berlin  <dberlin@dberlin.org>
8047
8048         * lambda-code (perfect_nestify): Remove mark/unmark
8049         for rewriting hack.
8050         * tree-loop-linear.c (linear_transform_loops): Add
8051         rewrite_into_ssa call so that ssa is correct for
8052         rewriting into loop closed.
8053
8054 2005-02-17  Nathan Sidwell  <nathan@codesourcery.com>
8055
8056         * bitmap.h (BITMAP_XMALLOC, BITMAP_XFREE): Remove.
8057         * bb-reorder.c (duplicate_computed_gotos): Use BITMAP_ALLOC and
8058         BITMAP_FREE.
8059         * bt-load.c (btr_def_live_range, combine_btr_defs,
8060         migrate_btr_def, migrate_btr_defs): Likewise.
8061         * cfgcleanup.c (thread_jump): Likewise.
8062         * cfgloop.c (get_loop_body_in_bfs_order): Likewise.
8063         * df.c (df_insn_table_realloc, df_bitmaps_alloc, df_bitmaps_free,
8064         df_alloc, df_free, df_du_chain_create, df_bb_rd_local_compute,
8065         df_rd_local_compute, df_reg_info_compute): Likewise.
8066         * dominance.c (init_dom_info, free_dom_info): Likewise.
8067         * flow.c (init_propagate_block_info,
8068         free_propagate_block_info): Likewise.
8069         * gcse.c (alloc_gcse_mem, free_gcse_mem): Likewise.
8070         * global.c (allocate_bb_info, free_bb_info, calculate_reg_pav,
8071         modify_reg_pav): Likewise.
8072         * loop-invariant.c (find_defs, find_invariant_insn,
8073         find_invariants, free_inv_motion_data): Likewise.
8074         * predict.c (tree_predict_by_opcode,
8075         estimate_bb_frequencies): Likewise.
8076         * stmt.c (expand_case): Likewise.
8077         * tree-cfg.c (tree_duplicate_sese_region): Likewise.
8078         * tree-dfa.c (mark_new_vars_to_rename): Likewise.
8079         * tree-if-conv.c (get_loop_body_in_if_conv_order): Likewise.
8080         * tree-into-ssa.c (insert_phi_nodes_for, def_blocks_free,
8081         get_def_blocks_for, mark_def_site_blocks, rewrite_into_ssa,
8082         rewrite_ssa_into_ssa): Likewise.
8083         * tree-optimize.c (tree_rest_of_compilation): Likewise.
8084         * tree-outof-ssa.c (new_temp_expr_table, free_temp_expr_table,
8085         analyze_edges_for_bb, perform_edge_inserts): Likewise.
8086         * tree-scalar-evolution.c (scev_initialize, scev_finalize): Likewise.
8087         * tree-sra.c (tree_sra): Likewise.
8088         * tree-ssa-alias.c (init_alias_info, delete_alias_info): Likewise.
8089         * tree-ssa-ccp.c (ccp_fold_builtin): Likewise.
8090         * tree-ssa-dce.c (tree_dce_init, tree_dce_done): Likewise.
8091         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Likewise.
8092         * tree-ssa-dse.c (tree_ssa_dse): Likewise.
8093         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_var):
8094         Likewise.
8095         * tree-ssa-live.c (new_tree_live_info, delete_tree_live_info,
8096         calculate_live_on_entry, calculate_live_on_exit,
8097         build_tree_conflict_graph): Likewise.
8098         * tree-ssa-loop-ivopts.c (tree_ssa_iv_optimize_init, record_use,
8099         record_important_candidates, set_use_iv_cost, find_depends,
8100         determine_use_iv_costs, iv_ca_new, iv_ca_free, free_loop_data,
8101         tree_ssa_iv_optimize_finalize): Likewise.
8102         * tree-ssa-loop-manip.c (add_exit_phis_var, get_loops_exit,
8103         find_uses_to_rename_use, rewrite_into_loop_closed_ssa,
8104         tree_duplicate_loop_to_header_edge): Likewise.
8105         * tree-ssa-pre.c (init_pre, fini_pre): Likewise.
8106         * tree-ssa.c (verify_flow_insensitive_alias_info,
8107         verify_name_tags, verify_ssa, init_tree_ssa,
8108         delete_tree_ssa): Likewise.
8109         * tree-ssanames.c (marked_ssa_names, init_ssanames,
8110         fini_ssanames): Likewise.
8111         * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Likewise.
8112
8113 2005-02-17  Ralf Corsepius  <ralf.corsepius@rtems.org>
8114
8115         * config/rs6000/t-rtems: Completely reworked.
8116
8117 2005-02-17  Ira Rosen  <irar@il.ibm.com>
8118
8119         * tree-data-ref.c (array_base_name_differ_p): Remove gcc_assert.
8120
8121 2005-02-17  Ira Rosen  <irar@il.ibm.com>
8122
8123         * tree-vect-analyze.c (vect_analyze_pointer_ref_access): Use
8124         POINTER_TYPE_P when checking that type is a pointer.
8125         (vect_get_memtag): Remove.
8126         (vect_address_analysis): Use POINTER_TYPE_P. Call
8127         vect_object_analysis with dummy parameter for memtag.
8128         (vect_object_analysis): Extract memtag (functionality that
8129         used to be in vect_get_memtag and moved here). Fix printings.
8130         (vect_analyze_data_refs): Fix comment. Call vect_object_analysis
8131         with correct parameters. Remove call to vect_get_memtag.
8132
8133 2005-02-17  Dorit Naishlos  <dorit@il.ibm.com>
8134
8135         * Makefile.in (tree-vect-analyze.o, tree-vect-transform.o): New.
8136         (tree-vectorizer.o): Added missing dependencies.
8137
8138         * tree-vectorizer.h (vect_dump, vect_verbosity_level): Added extern
8139         decleration.
8140         (slpeel_tree_peel_loop_to_edge): Function externalized (had a static
8141         declaration in tree-vectorizer.c, now has an extern declaration in
8142         tree-vectorizer.h).
8143         (slpeel_make_loop_iterate_ntimes, slpeel_can_duplicate_loop_p,
8144         slpeel_verify_cfg_after_peeling, vect_strip_conversion,
8145         get_vectype_for_scalar_type, vect_is_simple_use,
8146         vect_is_simple_iv_evolution, vect_can_force_dr_alignment_p,
8147         vect_supportable_dr_alignment, new_loop_vec_info, destroy_loop_vec_info,
8148         new_stmt_vec_info, vect_analyze_loop, vectorizable_load,
8149         vectorizable_store, vectorizable_operation, vectorizable_assignment,
8150         vect_transform_loop, vect_print_dump_info, vect_set_verbosity_level,
8151         find_loop_location): Likewise.
8152
8153         * tree-vectorizer.c (langhooks.h): #include removed.
8154         (slpeel_tree_peel_loop_to_edge): Function externalized. Declaration
8155         moved to tree-vectorized.h.
8156         (slpeel_make_loop_iterate_ntimes, slpeel_can_duplicate_loop_p,
8157         slpeel_verify_cfg_after_peeling, vect_strip_conversion,
8158         get_vectype_for_scalar_type, vect_is_simple_use,
8159         vect_is_simple_iv_evolution, vect_can_force_dr_alignment_p,
8160         vect_supportable_dr_alignment, new_loop_vec_info,
8161         destroy_loop_vec_info, new_stmt_vec_info, vect_print_dump_info,
8162         vect_set_verbosity_level, find_loop_location): Likewise.
8163
8164         (vect_analyze_loop): Function externalized. Declaration moved to
8165         tree-vectorized.h. Function definition moved to tree-vect-analyze.c.
8166         (vect_analyze_loop_form): Moved to tree-vect-analyze.c.
8167         (vect_mark_stmts_to_be_vectorized, vect_analyze_scalar_cycles,
8168         vect_analyze_data_ref_accesses, vect_analyze_data_ref_dependences,
8169         vect_analyze_data_refs_alignment, vect_compute_data_refs_alignment,
8170         vect_enhance_data_refs_alignment, vect_analyze_operations,
8171         exist_non_indexing_operands_for_use_p, vect_mark_relevant,
8172         vect_stmt_relevant_p, vect_get_loop_niters,
8173         vect_analyze_data_ref_dependence, vect_compute_data_ref_alignment,
8174         vect_analyze_data_ref_access, vect_analyze_pointer_ref_access,
8175         vect_can_advance_ivs_p, vect_get_ptr_offset, vect_analyze_offset_expr,
8176         vect_base_addr_differ_p, vect_object_analysis, vect_address_analysis,
8177         vect_get_memtag): Likewise.
8178
8179         (vectorizable_load): Function externalized. Declaration moved to
8180         tree-vectorized.h. Function definition moved to tree-vect-transform.c.
8181         (vectorizable_store, vectorizable_operation, vectorizable_assignment,
8182         vect_transform_loop): Likewise.
8183         (vect_transform_stmt): Moved to tree-vect-transform.c.
8184         (vect_align_data_ref, vect_create_destination_var,
8185         vect_create_data_ref_ptr, vect_create_index_for_vector_ref,
8186         vect_create_addr_base_for_vector_ref, vect_get_new_vect_var,
8187         vect_get_vec_def_for_operand, vect_init_vector,
8188         vect_finish_stmt_generation, vect_generate_tmps_on_preheader,
8189         vect_build_loop_niters, vect_update_ivs_after_vectorizer,
8190         vect_gen_niters_for_prolog_loop, vect_update_inits_of_dr,
8191         vect_update_inits_of_drs, vect_do_peeling_for_alignment,
8192         vect_do_peeling_for_loop_bound): Likewise.
8193
8194         * tree-vect-analyze.c: New file.
8195         * tree-vect-transform.c: New file.
8196
8197 2005-02-17  Jason Merrill  <jason@redhat.com>
8198
8199         PR mudflap/19319, c++/19317
8200         * gimplify.c (gimplify_modify_expr_rhs) [CALL_EXPR]: Make return
8201         slot explicit.
8202
8203 2005-02-17  Gerald Pfeifer  <gerald@pfeifer.com>
8204
8205         * doc/install.texi (Specific): Update link for Darwin-specific
8206         tool binary site.
8207
8208 2005-02-16  James A. Morrison  <phython@gcc.gnu.org>
8209
8210         * fold-const.c (invert_truthvalue): <INTEGER_CST>: Call
8211         constant_boolean_node.
8212
8213 2005-02-16  David Edelsohn  <edelsohn@gnu.org>
8214
8215         PR target/19019
8216         * config/rs6000/t-aix43 (SHLIB_MAPFILES): Add libgcc-ppc64.ver.
8217         * config/rs6000/t-aix52 (SHLIB_MAPFILES): Same.
8218
8219 2005-02-16  Richard Henderson  <rth@redhat.com>
8220
8221         PR 19920
8222         * libgcc2.c (WORD_SIZE): Remove all definitions; replace uses
8223         with W_TYPE_SIZE.
8224         (HIGH_WORD_COEFF, HIGH_HALFWORD_COEFF): Remove all definitions;
8225         replace uses with Wtype_MAXp1_F.
8226         (L_fixunstfdi, L_fixtfdi, L_floatditf, L_fixunsxfdi, L_fixxfdi,
8227         L_floatdixf, L_fixunsxfsi, L_fixunsdfdi, L_floatdidf, L_fixunsdfsi,
8228         L_powidf2, L_powixf2, L_powitf2, L_muldc3, L_divdc3, L_mulxc3,
8229         L_divxc3, L_multc3, L_divtc3): Protect with HAVE_DFMODE, HAVE_XFMODE,
8230         and HAVE_TFMODE as appropriate.
8231         (__fixunssfDI): Provide an implementation that doesn't need DFmode.
8232         (__floatdisf): Likewise.
8233         * libgcc2.h (LIBGCC2_DOUBLE_TYPE_SIZE): New.
8234         (HAVE_DFMODE, HAVE_XFMODE, HAVE_TFMODE): New.
8235         (Wtype_MAXp1_F): New.
8236         (DFtype, DCtype, __fixdfdi, __floatdidf, __fixunsdfSI, __fixunsdfDI,
8237         __powidf2, __divdc3, __muldc3): Protect with HAVE_DFMODE.
8238
8239 2005-02-16  Richard Earnshaw  <rearnsha@arm.com>
8240
8241         * PR target/19162
8242         * arm.c (arm_apply_result_size): New function.
8243         * arm.h (APPLY_RESULT_SIZE): Define.
8244         * arm-protos.h (arm_apply_result_size): Add prototype.
8245         * arm.md (RO_REGNUM, FPA_F0_REGNUM, FPA_F7_REGNUM): New constants.
8246         (movxf): New expand.
8247         (ldmsi_postinc4_thumb, stmsi_postinc4_thumb): New patterns for Thumb.
8248         (call_value_symbol): Remove predicate for operand 0.
8249         (call_value_insn, sibcall_value, sibcall_value_insn): Likewise.
8250         (untyped_call): Rework to correclty return values for any type.
8251         (untyped_return): New expand.
8252         * fpa.md (movxf_fpa): Simplify and use sfm/lfm when appropriate.
8253
8254 2005-02-16  Stan Shebs  <shebs@apple.com>
8255
8256         * config.gcc (powerpc-*-darwin*): Use fragment for Darwin 8 or later.
8257         * config/rs6000/t-darwin8: New, for 64-bit multilib.
8258
8259 2005-02-16  Eric Botcazou  <ebotcazou@libertysurf.fr>
8260
8261         * doc/install.texi (sparc-sun-solaris2*): Document required GMP
8262         configure settings on Solaris 7 and later.
8263
8264 2005-02-16  Diego Novillo  <dnovillo@redhat.com>
8265
8266         PR tree-optimization/19865
8267         * tree-optimize.c (init_tree_optimization_passes): Run
8268         pass_may_alias after pass_sra.
8269
8270 2005-02-16  Richard Henderson  <rth@redhat.com>
8271             Stuart Hastings  <stuart@apple.com>
8272
8273         PR debug/19521
8274         * dbxout.c (dbxout_function_end): Take decl parameter; update callers.
8275         Do nothing if debug info suppressed for this function.
8276         (dbxout_begin_function): Early exit if debug info suppressed for
8277         this function.
8278
8279 2005-02-16  Kazu Hirata  <kazu@cs.umass.edu>
8280
8281         PR target/20007
8282         * config/ip2k/ip2k.c (ip2k_reorg): Adjust calls to
8283         find_basic_blocks.
8284         * config/sh/sh.c (sh_output_mi_thunk): Likewise.
8285
8286         PR tree-optimization/19967
8287         * builtins.c (expand_builtin_strstr, expand_builtin_strpbrk,
8288         expand_builtin_strchr, expand_builtin_strrchr): Take a new
8289         argument TYPE.  Adjust calls to fold_builtin_XXX.
8290         (expand_builtin, fold_builtin_1): Adjust calls to
8291         expand_builtin_XXX.
8292         (fold_builtin_strchr, fold_builtin_strpbrk,
8293         fold_builtin_strstr, fold_builtin_strrchr): Convert the folded
8294         result to a requested type TYPE.
8295
8296 2005-02-16  Jakub Jelinek  <jakub@redhat.com>
8297
8298         PR middle-end/19857
8299         * fold-const.c (fold): Don't optimize (T)(x & cst) to
8300         (T)x & (T)cst if (T)cst overflows.
8301         * convert.c (convert_to_integer) <case POINTER_TYPE>: Pass
8302         TYPE_UNSIGNED (type) as type_for_size's UNSIGNEDP argument.
8303
8304 2005-02-15  Jeff Law  <law@redhat.com>
8305
8306         * gcse.c (blocks_with_calls): New bitmap.
8307         (alloc_gcse_mem): Allocate it.
8308         (free_gcse_mem): Free it.
8309         (clear_modifY_mem_tables): Clear it.
8310         (record_last_mem_set_info): Set the proper bit in BLOCK_WITH_CALLS
8311         when we encounter CALL_INSNs.
8312         (compute_transp, case MEM): Handle blocks with calls separate
8313         from blocks without calls.  Use bitmap iterators rather than
8314         FOR_EACH_BB.
8315
8316 2005-02-15  Peter O'Gorman  <peter@pogma.com>
8317
8318         PR bootstrap/18810
8319         * mklibgcc.in (vis_hide): Use a temporary object file, not
8320         -o /dev/null.
8321
8322 2005-02-15  Andy Hutchinson  <HutchinsonAndy@netscape.net>
8323
8324         PR target/19924
8325         * config/avr/avr.h (MODES_TIEABLE_P): Define to 1 to allow subreg
8326         access optimization.
8327
8328 2005-02-15  David Edelsohn  <edelsohn@gnu.org>
8329             Alan Modra  <amodra@bigpond.net.au>
8330
8331         PR target/19019
8332         * config/rs6000/darwin-ldouble.c (_xlqadd): Rename to __gcc_qadd.
8333         (_xlqsub): Rename to __gcc_qsub.
8334         (_xlqmul): Rename to __gcc_qmul.
8335         (_xlqdiv): Rename to __gcc_qdiv.
8336         Provide versioned symbol aliases with old names.
8337         * config/rs6000/libgcc-ppc64.ver: Rename symbols.
8338         * config/rs6000/rs6000.c (rs6000_init_libfuncs): Rename symbols.
8339         * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): New.
8340         * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): New.
8341         * config/rs6000/t-newas (LIB2FUNCS_EXTRA): New.
8342
8343 2005-02-15  James A. Morrison  <phython@gcc.gnu.org>
8344
8345         * fold-const.c (fold): Fold -(~A) to A + 1.  Fold ~(-A) to A - 1.
8346         Fold ~(A - 1) and ~(A + -1) to -A.
8347
8348 2005-02-15  James A. Morrison  <phython@gcc.gnu.org>
8349
8350         PR pch/14940
8351         PR target/19300
8352         * config/host-linux.c (linux_gt_pch_use_address): Copy from
8353         config/pa/pa-host.c:pa_gt_pch_use_address.
8354
8355 2005-02-15  Daniel Berlin  <dberlin@dberlin.org>
8356
8357         * tree-vn.c (get_value_handle): Make sure that given an
8358         is_gimple_min_invariant expression, we always return it.
8359
8360 2005-02-15  Kazu Hirata  <kazu@cs.umass.edu>
8361
8362         * passes.c (rest_of_handle_gcse): Fix a comment.
8363
8364 2005-02-15  Jeff Law  <law@redhat.com>
8365
8366         * gcse.c (canon_modify_mem_set_list_set): Kill unnecessary
8367         bitmap.
8368         (alloc_gcse_mem, free_gcse_mem): Corresponding changes.
8369         (canon_list_insert, record_last_mem_set_info): Similarly.
8370         (clear_modify_mem_tables): Similarly.
8371
8372 2005-02-15  Kazu Hirata  <kazu@cs.umass.edu>
8373
8374         * bitmap.c, bitmap.h, lambda-code.c, tree-dfa.c, tree-dump.c,
8375         tree-dump.h, tree-ssa-loop-manip.c, value-prof.c,
8376         config/mips/mips.md, config/rs6000/aix.h,
8377         config/rs6000/beos.h, config/rs6000/sysv4.h: Update copyright.
8378
8379 2005-02-15  Richard Henderson  <rth@redhat.com>
8380
8381         * bb-reorder.c (find_traces_1_round): Force fallthru edge from a
8382         call to be best_edge.
8383
8384 2005-02-14  Kazu Hirata  <kazu@cs.umass.edu>
8385
8386         * basic-block.h: Adjust the prototype for find_basic_blocks.
8387         * cfgbuild.c (find_basic_blocks): Remove unused arguments.
8388         * passes.c (rest_of_handle_loop_optimize): Adjust the call to
8389         find_basic_blocks.
8390
8391         * flow.c (recompute_reg_usage): Remove all arguments.
8392         * passes.c (rest_of_compilation): Adjust the call to
8393         recompute_reg_usage.
8394         * rtl.h: Adjust the prototype for recompute_reg_usage.
8395
8396 2005-02-14  Daniel Berlin  <dberlin@dberlin.org>
8397
8398         * tree-dump.c (dump_files): Update to reflect new member
8399         of dump_file_info.
8400         (dump_register): Add new argument.
8401         Set glob name.
8402         (dump_switch_p_1): Check against glob name if doglob was passed.
8403         (dump_switch_p): Check against regular first, then glob if
8404         we didn't have any hits on the dump name.
8405         * tree-optimize.c (register_one_dump_file):
8406         Pass in glob name as well.
8407         * tree-pass.h (struct dump_file_info): Add glob
8408         member.
8409
8410 2005-02-14  Joseph S. Myers  <joseph@codesourcery.com>
8411
8412         PR preprocessor/16323
8413         * doc/invoke.texi: Document that -Wendif-labels is on by default.
8414
8415 2005-02-14  David Edelsohn  <edelsohn@gnu.org>
8416
8417         PR target/19019
8418         * config/rs6000/rs6000.md (trunctfdf2): Change to define_expand.
8419         (trunctfdf2_internal1): New.
8420         (trunctfdf2_internal2): Renamed from trunctfdf2.
8421
8422 2005-02-14  Diego Novillo  <dnovillo@redhat.com>
8423
8424         PR tree-optimization/19853
8425         * tree-dfa.c (add_referenced_var): Always examine DECL_INITIAL.
8426
8427 2005-02-14  Kazu Hirata  <kazu@cs.umass.edu>
8428
8429         * passes.c (rest_of_handle_loop_optimize): Remove calls to
8430         delete_dead_jumptables and cleanup_cfg.
8431
8432 2005-02-14  Ulrich Weigand  <uweigand@de.ibm.com>
8433
8434         * reload.c (find_reloads): Swap address_reloaded flags when
8435         swapping commutative operands.
8436
8437 2005-02-14  Sebastian Pop  <pop@cri.ensmp.fr>
8438
8439         * lambda-code.c (lambda_loopnest_to_gcc_loopnest, perfect_nestify):
8440         Use standard_iv_increment_position for computing the bsi position
8441         for create_iv.
8442         * tree-ssa-loop-manip.c (create_iv): Add a comment on how to compute
8443         the bsi position.
8444
8445 2005-02-13  Zdenek Dvorak  <dvorakz@suse.cz>
8446
8447         PR target/17428
8448         * cfgrtl.c (safe_insert_insn_on_edge): Avoid extending
8449         life range of hard registers.
8450         * value-prof.c (insn_prefetch_values_to_profile): Only
8451         scan normal insns.
8452
8453         * value-prof.c (rtl_find_values_to_profile): Do not look for values to
8454         profile in libcalls.
8455
8456 2005-02-13  Nathan Sidwell  <nathan@codesourcery.com>
8457
8458         * bitmap.h (bitmap_and_compl_into): Return bool.
8459         * bitmap.c (bitmap_and_compl_into): Return changed flag.
8460
8461 2005-02-13  James A. Morrison  <phython@gcc.gnu.org>
8462
8463         PR tree-optimization/19944
8464         * fold-const.c (fold): Re-add ABS_EXPR folding.
8465
8466 2005-02-13  David Edelsohn  <edelsohn@gnu.org>
8467
8468         PR target/19019
8469         * config/rs6000/aix.h ({TARGET,MASK}_XL_CALL): Rename to
8470         {TARGET,MASK}_XL_COMPAT.
8471         (SUBTARGET_SWITCHES): Rename xl-call to xl-compat.  Use
8472         MASK_XL_COMPAT.
8473         * config/rs6000/beos.h ({TARGET,MASK}_XL_CALL): Remove.
8474         * config/rs6000/rs6000.c (function_arg): Change TARGET_XL_CALL to
8475         TARGET_XL_COMPAT.
8476         (rs6000_arg_partial_bytes): Same.
8477         (rs6000_generate_compare): Generate PARALLEL for compare if TFmode
8478         and XL compatibility enabled.
8479         * config/rs6000/rs6000.h (TARGET_XL_CALL): Rename to TARGET_XL_COMPAT.
8480         * config/rs6000/rs6000.md (cmptf_internal1): Add !TARGET_XL_COMPAT
8481         test to final condition.
8482         (cmptf_internal2): New.
8483         * doc/invoke.texi (RS/6000 Subtarget Options): Change xl-call to
8484         xl-compat.  Add TFmode information to description.
8485
8486 2005-02-13  Kazu Hirata  <kazu@cs.umass.edu>
8487
8488         * flags.h, read-rtl.c, tree-ssa-live.h: Update copyright.
8489
8490 2005-02-13  Jason Merrill  <jason@redhat.com>
8491
8492         PR c++/16405
8493         * fold-const.c (fold_indirect_ref_1): Split out from...
8494         (build_fold_indirect_ref): Here.
8495         (fold_indirect_ref): New fn.
8496         * tree.h: Declare it.
8497         * gimplify.c (gimplify_compound_lval): Call fold_indirect_ref.
8498         (gimplify_modify_expr_rhs): Likewise.
8499         (gimplify_expr): Likewise.
8500
8501 2005-02-13  James A. Morrison  <phython@gcc.gnu.org>
8502
8503         PR tree-optimization/14303
8504         PR tree-optimization/15784
8505         * fold-const.c (fold): Fold ABS_EXPR<x> >= 0 to true, when possible.
8506         Fold ABS_EXPR<x> < 0 to false.  Fold ABS_EXPR<x> == 0 to x == 0 and
8507         ABS_EXPR<x> != 0 to x != 0.
8508
8509 2005-02-12  Kazu Hirata  <kazu@cs.umass.edu>
8510
8511         * c-tree.h, combine.c, expmed.c, flow.c, libgcc2.c,
8512         simplify-rtx.c, tree-ssa-live.h: Fix comment typos.  Follow
8513         spelling conventions.
8514
8515         * passes.c (rest_of_handle_gcse): Don't run cse_main and
8516         delete_trivially_dead_insns too many times.
8517
8518         * passes.c (rest_of_handle_gcse): Remove dead assignments to
8519         tem and tem2.
8520
8521 2005-02-12  Ira Rosen  <irar@il.ibm.com>
8522
8523         * tree-vectorizer.c (vect_get_base_and_offset): Remove.
8524         (vect_is_simple_iv_evolution): Remove redundant parameter
8525         and step check.
8526         (vect_analyze_scalar_cycles): Call vect_is_simple_iv_evolution
8527         without last parameter.
8528         (vect_analyze_pointer_ref_access): Get access_fn as parameter.
8529         Return pointer step. Call vect_is_simple_iv_evolution without
8530         last parameter. Check only that the step is multiple of size
8531         type. Remove stmt_vinfo updates.
8532         (vect_get_memtag_and_dr): Remove.
8533         (vect_get_memtag): New function.
8534         (vect_address_analysis): New function.
8535         (vect_object_analysis): New function.
8536         (vect_analyze_data_refs): Call vect_object_analysis and
8537         vect_get_memtag. Update stmt_vinfo fields.
8538
8539 2005-02-12  Ira Rosen  <irar@il.ibm.com>
8540
8541         * tree-data-ref.c (array_base_name_differ_p): Check that the bases
8542         exist and are objects. Remove checks for pointer.
8543         * tree-vectorizer.c (vect_create_addr_base_for_vector_ref): Use
8544         STMT_VINFO_VECT_DR_BASE_ADDRESS instead of DR_BASE_NAME.
8545         (vect_create_data_ref_ptr): Likewise.
8546         (vect_base_addr_differ_p): New function.
8547         (vect_analyze_data_ref_dependence): Call vect_base_addr_differ_p.
8548         (vect_analyze_pointer_ref_access): Add output parameter - ptr_init.
8549         Don't set the DR_BASE_NAME field of data-ref.
8550         (vect_get_memtag_and_dr): Use ptr_init instead of DR_BASE_NAME.
8551
8552 2005-02-12  Uros Bizjak  <uros@kss-loka.si>
8553
8554         * optabs.h (enum optab_index): Add new OTI_ldexp.
8555         (ldexp_optab): Define corresponding macro.
8556         * optabs.c (init_optabs): Initialize ldexp_optab.
8557         * genopinit.c (optabs): Implement ldexp_optab using ldexp?f3
8558         patterns.
8559         * builtins.c (expand_builtin_mathfn_2): Handle BUILT_IN_LDEXP{,F,L}
8560         using ldexp_optab.
8561         (expand_builtin): Expand BUILT_IN_LDEXP{,F,L} using
8562         expand_builtin_mathfn_2 if flag_unsafe_math_optimizations is set.
8563
8564         * config/i386/i386.md (ldexpsf3, ldexpdf3, ldexpxf3): New expanders
8565         to implement ldexpf, ldexp and ldexpl built-ins as inline x87
8566         intrinsics.
8567
8568 2005-02-12  Ira Rosen  <irar@il.ibm.com>
8569
8570         * tree-vectorizer.h (struct _stmt_vec_info): Rename a field: base
8571         to base_address.
8572         * tree-vectorizer.c (new_stmt_vec_info): Rename the above field of
8573         stmt_vec_info.
8574         (vect_get_base_and_offset): Always return an address.
8575         (vect_create_addr_base_for_vector_ref): Remove treatment for
8576         different data reference types.
8577         (vect_compute_data_ref_alignment): Rename base to base_address in
8578         stmt_vec_info. Get the object in order to force its alignment.
8579         (vect_get_memtag_and_dr): Rename base to base_address in
8580         stmt_vec_info. Extract the object for memtag analysis.
8581
8582 2005-02-12  Hans-Peter Nilsson  <hp@axis.com>
8583
8584         PR regression/19898.
8585         * config/cris/cris.c (cris_notice_update_cc): When testing if insn
8586         changes cc_status, use apply modified_in_p to part of cc_status
8587         and insn, not cris_reg_overlap_mentioned_p on SET_DEST of insn
8588         body.
8589
8590 2005-02-11  Richard Henderson  <rth@redhat.com>
8591
8592         * tree-complex.c (expand_complex_libcall): New.
8593         (expand_complex_multiplication): Use it for c99 compliance.
8594         (expand_complex_division): Likewise.
8595         * fold-const.c (fold_complex_add, fold_complex_mult): New.
8596         (fold): Call them.
8597         * builtins.c (built_in_names): Remove const.
8598         * tree.c (build_common_builtin_nodes): Build complex arithmetic
8599         builtins.
8600         * tree.h (BUILT_IN_COMPLEX_MUL_MIN, BUILT_IN_COMPLEX_MUL_MAX): New.
8601         (BUILT_IN_COMPLEX_DIV_MIN, BUILT_IN_COMPLEX_DIV_MAX): New.
8602         (built_in_names): Remove const.
8603         * c-common.c (c_common_type_for_mode): Handle complex modes.
8604         * flags.h, toplev.c (flag_complex_method): Rename from
8605         flag_complex_divide_method.
8606         * libgcc2.c (__divsc3, __divdc3, __divxc3, __divtc3,
8607         __mulsc3, __muldc3, __mulxc3, __multc3): New.
8608         * libgcc2.h: Declare them.
8609         * libgcc-std.ver: Export them.
8610         * mklibgcc.in (lib2funcs): Build them.
8611
8612 2005-02-11  Steven Bosscher  <stevenb@suse.de>
8613
8614         PR tree-optimization/19876
8615         Partially revert my change from 2005-01-14
8616         * tree-ssa-pre.c (compute_antic_aux): Make recursive once again...
8617         (compute_antic): ...and remove the loop here.
8618
8619 2005-02-11  Jakub Jelinek  <jakub@redhat.com>
8620
8621         PR middle-end/19858
8622         * fold-const.c (make_bit_field_ref): If bitpos == 0 and bitsize
8623         is number of inner's bits, avoid creating a BIT_FIELD_REF.
8624
8625         * config/rs6000/sysv4.h (ENDFILE_LINUX_SPEC): Use crtendS.o instead of
8626         crtend.o if -pie.  Use %{x:a;:b} spec syntax.
8627
8628 2005-02-11  Daniel Jacobowitz  <dan@codesourcery.com>
8629
8630         * config/mips/linux-unwind.h (mips_fallback_frame_state): Adjust
8631         offsets for the big-endian 32-bit case.
8632
8633 2005-02-11  Joseph S. Myers  <joseph@codesourcery.com>
8634
8635         * config/ia64/hpux.h (WCHAR_TYPE, WCHAR_TYPE_SIZE): Define.
8636
8637 2005-02-11  Dale Johannesen  <dalej@apple.com>
8638
8639         * cselib.c (cselib_process_insn):  Clear out regs where
8640         HARD_REGNO_CALL_PART_CLOBBERED is true at a call.
8641         * reload.c (find_equiv_reg): Ditto.
8642
8643 2005-02-11  Ian Lance Taylor  <ian@airs.com>
8644
8645         * read-rtl.c (read_rtx_1): Give fatal error if we see a vector
8646         with no elements.
8647
8648         * tree.c (build_function_type_list): Work correctly if there are
8649         no arguments.
8650
8651 2005-02-11  Ulrich Weigand  <uweigand@de.ibm.com>
8652
8653         * config/s390/s390.md ("*cmpdi_cct", "*cmpsi_cct", "*cmpdi_ccs",
8654         "*cmpsi_ccs"): Use %h instead of %c to print immediate operand.
8655         ("*zero_extendhisi2_64", "*zero_extendhisi2_31"): Choose based on
8656         TARGET_ZARCH instead of TARGET_64BIT.
8657
8658 2005-02-11  Ralf Corsepius  <ralf.corsepius@rtems.org>
8659
8660         * config/rs6000/t-rtems:
8661         (MULTILIB_OPTIONS): Remove mcpu=602.
8662         (MUTLILIB_DIRNAMES): Remove m602.
8663         (MULTILIB_MATCHES): Add ${MULTILIB_MATCHES_FLOAT}.
8664         Let mcpu=602 match mcpu=603.
8665         (MULTILIB_NEW_EXCEPTIONS_ONLY): Add mcpu=601, mcpu=602, mcpu=m603.
8666
8667 2005-02-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
8668
8669         * pa/linux-unwind.h (pa32_fallback_frame_state): Handle misaligned
8670         signal trampolines.
8671
8672 2005-02-10  David Daney  <ddaney@avtrex.com>
8673
8674         * config/alpha/linux-unwind.h: Add exception clause to copyright.
8675         * config/i386/linux-unwind.h: Likewise.
8676         * config/ia64/linux-unwind.h: Likewise.
8677         * config/mips/linux-unwind.h: Likewise.
8678         * config/pa/linux-unwind.h: Likewise.
8679         * config/rs6000/linux-unwind.h: Likewise.
8680         * config/s390/linux-unwind.h: Likewise.
8681         * config/sh/linux-unwind.h: Likewise.
8682         * config/sparc/linux-unwind.h: Likewise.
8683
8684 2005-02-10  Steven Bosscher  <stevenb@suse.de>
8685
8686         PR tree-optimization/17549
8687         * tree-outof-ssa.c (find_replaceable_in_bb): Do not allow
8688         TER to replace a DEF with its expression if the DEF and the
8689         rhs of the expression we replace into have the same root
8690         variable.
8691
8692 2005-02-10  Richard Sandiford  <rsandifo@redhat.com>
8693
8694         * config/mips/mips.md: Fix the placement of the match_scratch in the
8695         lea64 peephole2.
8696
8697 2005-02-10  Kazu Hirata  <kazu@cs.umass.edu>
8698
8699         * cse.c, tree-ssa-loop-ivopts.c, config/rs6000/linux-unwind.h:
8700         Fix comment typos.
8701
8702 2005-02-10  Zdenek Dvorak  <dvorakz@suse.cz>
8703
8704         * tree-ssa-loop-ivopts.c (determine_base_object): Ignore casts.
8705         (strip_offset): Handle addresses.
8706         (add_address_candidates): Use strip_offset.
8707         (difference_cost): Reflect strip_offset change.
8708         (force_var_cost, difference_cost): Strip nops.
8709
8710 2005-02-10  Kazu Hirata  <kazu@cs.umass.edu>
8711
8712         * df.h (DF_REF_MODE_CHANGE, DF_REF_MEM_OK): Remove.
8713
8714         * builtins.def, haifa-sched.c, libgcc2.c, libgcc2.h,
8715         tree-ssa-loop-ivcanon.c, tree-ssa-loop-niter.c,
8716         config/cris/cris-protos.h, config/cris/cris.c: Update
8717         copyright.
8718
8719 2005-02-10  Jeff Law  <law@redhat.com>
8720
8721         * tree-ssa-dom.c (thread_across_edge): Use xmalloc, not xcalloc.
8722         (lookup_avail_expr): Similarly.
8723
8724 2005-02-10  Richard Guenther  <rguenth@gcc.gnu.org>
8725
8726         * builtins.c (fold_builtin_powi): New function.
8727         (fold_builtin_1): Call it.
8728
8729 2005-02-10  Steven Bosscher  <stevenb@suse.de>
8730
8731         PR documentation/19309
8732         * doc/cpp.texi: The __GNUC__ and related predefined macros
8733         are also defined for the "standalone" cpp.
8734         Some non-GCC compilers may also define __GNUC__.
8735
8736 2005-02-10  Jakub Jelinek  <jakub@redhat.com>
8737
8738         PR c/19342
8739         * c-typeck.c (common_type): New routine.  Old common_type renamed
8740         to...
8741         (c_common_type): ...this.
8742         (build_conditional_expr, build_binary_op): Use c_common_type instead
8743         of common_type.
8744
8745 2005-02-10  Steven Bosscher  <stevenb@suse.de>
8746
8747         * doc/md.texi: Replace @samp{length} with @code{length}.
8748
8749 2005-02-09  Zdenek Dvorak  <dvorakz@suse.cz>
8750
8751         PR tree-optimization/18687
8752         * tree-flow.h (find_loop_niter): Declare.
8753         * tree-ssa-loop-ivcanon.c (canonicalize_loop_induction_variables):
8754         Try using scev even for loops with more than one exit.
8755         * tree-ssa-loop-ivopts.c (struct loop_data): Removed niter field.
8756         (struct ivopts_data): Added niters field.
8757         (struct nfe_cache_elt): New.
8758         (nfe_hash, nfe_eq, niter_for_exit, niter_for_single_dom_exit): New
8759         functions.
8760         (tree_ssa_iv_optimize_init): Initialize niters cache.
8761         (determine_number_of_iterations): Removed.
8762         (find_induction_variables): Do not call determine_number_of_iterations.
8763         Access niters for single exit through niter_for_single_dom_exit.
8764         (add_iv_outer_candidates): Access niters for single exit through
8765         niter_for_single_dom_exit.
8766         (may_eliminate_iv): Take data argument.  Use niter_for_exit.  Do not use
8767         number_of_iterations_cond.
8768         (iv_period): New function.
8769         (determine_use_iv_cost_condition): Pass data to may_eliminate_iv.
8770         (may_replace_final_value): Take data argument.  Use
8771         niter_for_single_dom_exit.
8772         (determine_use_iv_cost_outer): Pass data to may_replace_final_value.
8773         (rewrite_use_compare): Pass data to may_eliminate_iv.
8774         (rewrite_use_outer): Pass data to may_replace_final_value.
8775         (free_loop_data): Clean up the niters cache.
8776         (tree_ssa_iv_optimize_finalize): Free the niters cache.
8777         (tree_ssa_iv_optimize_loop): Do not call loop_commit_inserts.
8778         * tree-ssa-loop-niter.c (find_loop_niter): New function.
8779         (find_loop_niter_by_eval): Use tree_int_cst_lt.
8780         (num_ending_zeros): Moved to tree.c.
8781         * tree.h (num_ending_zeros): Declare.
8782         * tree.c (num_ending_zeros): Moved from tree.c.
8783
8784 2005-02-09  Richard Henderson  <rth@redhat.com>
8785
8786         * builtins.c (DEF_BUILTIN): Add COND argument.
8787         * tree.h (DEF_BUILTIN): Likewise.
8788         * builtins.def (DEF_GCC_BUILTIN, DEF_LIB_BUILTIN, DEF_EXT_LIB_BUILTIN,
8789         DEF_C94_BUILTIN, DEF_C99_BUILTIN, DEF_C99_C90RES_BUILTIN): Update to
8790         match.
8791         (DEF_BUILTIN_STUB): New.
8792         (BUILT_IN_STACK_SAVE, BUILT_IN_STACK_RESTORE, BUILT_IN_INIT_TRAMPOLINE,
8793         BUILT_IN_ADJUST_TRAMPOLINE, BUILT_IN_NONLOCAL_GOTO,
8794         BUILT_IN_PROFILE_FUNC_ENTER, BUILT_IN_PROFILE_FUNC_EXIT): Use it.
8795         * c-common.c (DEF_BUILTIN): Add COND argument.
8796         * tree.c (local_define_builtin): New.
8797         (build_common_builtin_nodes): New.
8798
8799 2005-02-09  Roger Sayle  <roger@eyesopen.com>
8800
8801         * fold-const.c (fold_strip_sign_ops): New function to simplify a
8802         floating point expression ignoring the sign of the result.
8803         (fold) <ABS_EXPR>: Use it to simplify fabs(x).
8804         (fold) <MULT_EXPR>: Use it to simplify x*x.
8805         * tree.h (fold_strip_sign_ops): Prototype here.
8806         * builtins.c (fold_builtin_copysign): Take an additional FNDECL
8807         argument.  Use fold_strip_sign_ops to simplify the first argument.
8808         (fold_builtin_pow):  Use fold_strip_sign_ops to simplify the
8809         first argument when the second argument is an even integer
8810         constant, but only with -funsafe_math_optimizations.
8811         (fold_builtin_1): Update call to fold_builtin_copysign.
8812
8813 2005-02-09  Ian Lance Taylor  <ian@airs.com>
8814
8815         PR middle-end/19583
8816         * gimple-low.c (try_catch_may_fallthru): In EH_FILTER_EXPR case,
8817         just check whether EH_FILTER_FAILURE falls through.
8818
8819 2005-02-09  Andreas Krebbel  <krebbel1@de.ibm.com>
8820
8821         * gcc/haifa-sched.c (schedule_block): Make queued sched group
8822         insns return to ready list in the next turn.
8823
8824 2005-02-09  Richard Guenther  <rguenth@gcc.gnu.org>
8825
8826         PR middle-end/19402
8827         * builtins.def: New __builtin_powi[lf].
8828         * builtins.c (mathfn_built_in): Handle BUILT_IN_POWI.
8829         (expand_builtin_powi): New function.
8830         (expand_builtin): Dispatch to expand_builtin_powi.
8831         * libgcc2.h: Add prototypes for __builtin_powi[lf].
8832         * libgcc2.c: Add __builtin_powi[lf] implementation.
8833         * mklibgcc.in: Add __builtin_powi[lf] to lib2funcs.
8834         * optabs.h: Add powi_optab.
8835         * optabs.c (init_optabs): Initialize powi_optab.
8836         * doc/extend.texi: Document __builtin_powi[lf].
8837
8838 2005-02-09  Dorit Naishlos  <dorit@il.ibm.com>
8839
8840         * tree-vectorizer.c (vect_set_dump_settings): Check that dump_file
8841         exists.
8842
8843 2005-02-09  Richard Guenther  <rguenth@gcc.gnu.org>
8844
8845         PR middle-end/19854
8846         * fold-const.c (try_move_mult_to_index): Remove redundant
8847         type argument.  Create ADDR_EXPR with correct type.
8848         (fold): Update callers of try_move_mult_to_index.  Convert
8849         result to the appropriate type.
8850
8851 2005-02-09  Roger Sayle  <roger@eyesopen.com>
8852
8853         PR target/19597
8854         * config/avr/avr.c (default_rtx_costs): Delete.
8855         (avr_operand_rtx_cost): New function.
8856         (avr_rtx_costs): Completely rewrite.
8857
8858 2005-02-08  Hans-Peter Nilsson  <hp@axis.com>
8859
8860         PR target/19806
8861         * config/cris/cris.c (in_code): New variable.
8862         (cris_output_addr_const): Now a static function, a wrapper for
8863         output_addr_const.
8864         (cris_asm_output_symbol_ref): New function, broken out SYMBOL_REF
8865         case from old cris_output_addr_const.
8866         (cris_asm_output_label_ref): Similar for LABEL_REF.
8867         (cris_output_addr_const_extra): Similar for UNSPEC.
8868         * config/cris/cris.h (OUTPUT_ADDR_CONST_EXTRA)
8869         (ASM_OUTPUT_SYMBOL_REF, ASM_OUTPUT_LABEL_REF): Define.
8870         * config/cris/cris-protos.h (cris_output_addr_const): Remove
8871         declaration.
8872         (cris_asm_output_symbol_ref, cris_output_addr_const_extra)
8873         (cris_asm_output_label_ref): Declare.
8874
8875 2005-02-08  Paolo Bonzini  <bonzini@gnu.org>
8876
8877         PR preprocessor/19801
8878         * doc/cppinternals.texi (Conventions, Lexer, Files): Adjust
8879         filenames that changed when libcpp was moved to the toplevel.
8880
8881 2005-02-07  Roger Sayle  <roger@eyesopen.com>
8882
8883         * simplify-rtx.c (simplify_relational_operation_1): Avoid creating
8884         zero extensions of BImode operands.  Call lowpart_subreg instead
8885         of gen_lowpart_common and gen_lowpart_SUBREG.
8886
8887 2005-02-07  Nathanael Nerode  <neroden@gcc.gnu.org>
8888
8889         PR ada/19489
8890         * libada-mk.in: Use cc_for_cross_gnattools, not cc_set_by_configure.
8891         * configure.ac: Set cc_for_cross_gnattools.
8892         * configure: Regenerate.
8893
8894 2005-02-08  Alan Modra  <amodra@bigpond.net.au>
8895
8896         PR target/19803
8897         * predict.c (PROB_VERY_UNLIKELY): Use 1% instead of 10%.
8898
8899 2005-02-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
8900
8901         PR debug/19327
8902         * dbxout.c (dbxout_symbol) <FUNCTION_DECL>: Skip inline instance
8903         of nested functions.
8904
8905 2005-02-07  Jonathan Wakely  <redi@gcc.gnu.org>
8906
8907         * doc/extend.texi: Document deprecated extensions allowing
8908         static floating-point members to have initializers and allowing
8909         floating-point literals in integral constant expressions.
8910
8911 2005-02-07  Kazu Hirata  <kazu@cs.umass.edu>
8912
8913         * cfgcleanup.c, df.h, diagnostic.c, rtl.c, tree-vectorizer.h,
8914         config/darwin7.h, config/mips/mips.c,
8915         config/rs6000/altivec.md, config/rs6000/darwin-tramp.asm:
8916         Update copyright.
8917
8918         * cse.c: Update comments.
8919
8920 2005-02-07  Richard Guenther  <rguenth@gcc.gnu.org>
8921
8922         PR middle-end/19775
8923         * builtins.c (fold_builtin_sqrt): Transform
8924         sqrt(pow(x,y)) to pow(fabs(x),y*0.5), not
8925         pow(x,y*0.5).
8926
8927 2005-02-07  Leehod Baruch  <leehod@il.ibm.com>
8928             Dorit Naishlos  <dorit@il.ibm.com>
8929
8930         * doc/invoke.texi (ftree-vectorizer-verbose): New.
8931         * opts.c (OPT_ftree_vectorizer_verbose_): New case for switch.
8932         * common.opt (ftree-vectorizer-verbose): New Flag for the vectorizer
8933         was added.
8934         * tree.h (vect_set_verbosity_level): New extern function declaration
8935         added.
8936         * tree-vectorizer.h (verbosity_levels): New enum type.
8937         * tree-vectorizer.c (vect_debug_stats): Function removed.
8938         (vect_debug_details): Likewise.
8939         (vect_verbosity_level): Global variable was defined and initialized.
8940         (vect_dump): Global variable definition.
8941         (vect_print_dump_info): New function.
8942         (vect_set_dump_settings): New function.
8943         (vect_set_verbosity_level): New function.
8944         (vectorize_loops): Add call to vect_set_dump_settings.
8945
8946         (slpeel_make_loop_iterate_ntimes): Dump condition was changed.
8947         (slpeel_tree_duplicate_loop_to_edge_cfg): Likewise.
8948         (slpeel_tree_peel_loop_to_edge): Likewise.
8949
8950         (vect_analyze_offset_expr): Call to vect_print_dump_info with
8951         appropriate verbosity level instead of call to vect_debug_details
8952         or vect_debug_stats.
8953         (vect_get_base_and_offset):
8954         (vect_create_addr_base_for_vector_ref):
8955         (get_vectype_for_scalar_type):
8956         (vect_create_data_ref_ptr):
8957         (vect_init_vector):
8958         (vect_get_vec_def_for_operand):
8959         (vect_finish_stmt_generation):
8960         (vectorizable_assignment):
8961         (vectorizable_operation):
8962         (vectorizable_store):
8963         (vectorizable_load):
8964         (vect_transform_stmt):
8965         (vect_update_ivs_after_vectorizer):
8966         (vect_do_peeling_for_loop_bound):
8967         (vect_update_inits_of_drs):
8968         (vect_do_peeling_for_alignment):
8969         (vect_transform_loop):
8970         (vect_is_simple_use):
8971         (vect_analyze_operations):
8972         (vect_is_simple_iv_evolution):
8973         (vect_analyze_scalar_cycles):
8974         (vect_analyze_data_ref_dependence):
8975         (vect_analyze_data_ref_dependences):
8976         (vect_compute_data_ref_alignment):
8977         (vect_enhance_data_refs_alignment):
8978         (vect_analyze_data_refs_alignment):
8979         (vect_analyze_data_ref_access):
8980         (vect_analyze_data_ref_accesses):
8981         (vect_analyze_pointer_ref_access):
8982         (vect_get_memtag_and_dr):
8983         (vect_analyze_data_refs):
8984         (vect_mark_relevant):
8985         (vect_stmt_relevant_p):
8986         (vect_mark_stmts_to_be_vectorized):
8987         (vect_can_advance_ivs_p):
8988         (vect_get_loop_niters):
8989         (vect_analyze_loop_form):
8990         (vect_analyze_loop):
8991         (vectorize_loops): Likewise.
8992
8993         (vect_do_peeling_for_loop_bound): Dump format slightly changed.
8994         (vect_update_inits_of_drs):
8995         (vect_do_peeling_for_alignment):
8996         (vect_transform_loop):
8997         (vect_analyze_operations):
8998         (vect_analyze_scalar_cycles):
8999         (vect_analyze_data_ref_dependences):
9000         (vect_analyze_data_refs_alignment):
9001         (vect_analyze_data_ref_accesses):
9002         (vect_analyze_data_refs):
9003         (vect_mark_stmts_to_be_vectorized):
9004         (vect_get_loop_niters):
9005         (vect_analyze_loop_form):
9006         (vect_analyze_loop): Likewise.
9007         (vect_mark_stmts_to_be_vectorized): Add call to print_generic_expr.
9008
9009 2005-02-07  Richard Sandiford  <rsandifo@redhat.com>
9010
9011         PR bootstrap/19796
9012         Revert:
9013         2005-01-26  Richard Sandiford  <rsandifo@redhat.com>
9014         * config/mips/iris6.h (ENDFILE_SPEC): Don't link in irix-csr.o if
9015         either -ffast-math or -funsafe-math-optimizations is in use.
9016
9017         2005-01-24  Richard Sandiford  <rsandifo@redhat.com>
9018         * config/mips/irix-csr.c: New file.
9019         * config/mips/t-iris6 (irix-csr.o): New rule to build it.
9020         (EXTRA_MULTILIB_PARTS): Add irix-csr.o.
9021         * config/mips/iris6.h (ENDFILE_SPEC): Include it in n32 and n64
9022         executables.
9023
9024 2005-02-07  Alexandre Oliva  <aoliva@redhat.com>
9025
9026         * config/mn10300/linux.h (LIB_SPEC, STARTFILE_SPEC): Remove
9027         redundant, incorrect definitions.
9028
9029         * config/frv/frv.md ("tls_indirect_call"): Turn into libcall-like
9030         expand.
9031         ("*tls_indirect_call"): New, reference hard regs directly.
9032         * config/frv/frv.c (gen_inlined_tls_plt): Adjust.
9033
9034 2005-02-07  Ralf Corsepius  <ralf.corsepius@rtems.org>
9035
9036         * config/arm/rtems-elf.h (SUBTARGET_EXTRA_ASM_SPEC):
9037         Let !-mhard-float !-msoft-float imply -mfpu=softfpa.
9038
9039 2005-02-06  Roger Sayle  <roger@eyesopen.com>
9040
9041         PR rtl-optimization/19800
9042         * simplify_rtx.c (simplify_relational_operation_1): Explicitly
9043         call gen_lowpart_common and gen_lowpart_SUBREG instead of calling
9044         gen_lowpart.
9045
9046 2005-02-07  Ralf Corsepius  <ralf.corsepius@rtems.org>
9047
9048         * config/m68k/t-rtems (MULTILIB_MATCHES): Let m528x match m5200.
9049
9050 2005-02-07  Joseph S. Myers  <joseph@codesourcery.com>
9051
9052         PR other/17135
9053         * doc/invoke.texi: Correct documentation of -freorder-functions.
9054
9055 2005-02-06  Joseph S. Myers  <joseph@codesourcery.com>
9056
9057         PR other/14402
9058         * doc/invoke.texi: Don't mention gccbug.
9059
9060 2005-02-06  Roger Sayle  <roger@eyesopen.com>
9061             Andrew Pinski  <pinskia@physics.uc.edu>
9062             Paolo Bonzini  <paolo.bonzini@lu.unisi.ch>
9063
9064         * simplify-rtx.c (simplify_relational_operation_1): Simplify
9065         (ne:SI (zero_extract:SI FOO (const_int 1) BAR) (const_int 0))
9066         into just (zero_extract:SI FOO (const_int 1) BAR).
9067
9068 2005-02-06  Joseph S. Myers  <joseph@codesourcery.com>
9069
9070         * doc/cpp.texi: Include gcc-common.texi.  Don't define gcctabopt
9071         macro locally.  Don't give last revision date.  Use GCC version
9072         number from gcc-common.texi.
9073         * doc/cppinternals.texi: Include gcc-common.texi.  Don't give last
9074         revision date.  Use GCC version number from gcc-common.texi.
9075         Describe being a library as current state rather than as 3.x
9076         history.
9077         * doc/gcc.texi: Remove last update date.
9078         * doc/gccint.texi: Likewise.  Update copyright dates.
9079         * doc/install.texi: Update copyright dates.
9080
9081 2005-02-06  Joseph S. Myers  <joseph@codesourcery.com>
9082
9083         PR other/7549
9084         * doc/invoke.texi: Mention for each option included in -Wall that
9085         it is included in -Wall.
9086         * doc/gcc.texi: Update copyright and last modification date.
9087
9088 2005-02-06  Zdenek Dvorak  <dvorakz@suse.cz>
9089
9090         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Do not add
9091         unnecessary cast to original induction variable increments.
9092
9093 2005-02-06  Zdenek Dvorak  <dvorakz@suse.cz>
9094
9095         PR tree-optimization/18219
9096         * tree-ssa-loop-ivopts.c (get_computation_at): Produce computations
9097         in distributed form.
9098
9099 2005-02-06  Richard Sandiford  <rsandifo@redhat.com>
9100
9101         * expmed.c (store_bit_field): Make the SUBREG code adjust bitnum.
9102         Set bitpos and offset later in the function.  Do nothing if the
9103         target is a register and if the bitfield lies completely outside
9104         that register.
9105         (extract_bit_field): Make the same SUBREG, bitpos and offset changes
9106         here.  Return an uninitialised register if the source value is stored
9107         in a register and the bitfield lies completely outside that register.
9108
9109 2005-02-06  Steven Bosscher  <stevenb@suse.de>
9110
9111         * df.c (df_insn_refs_record): Use XEXP to get the operand of a USE,
9112         not SET_DEST.
9113
9114 2005-02-06  Marcin Dalecki  <martin@dalecki.de>
9115
9116         * diagnostic.c (default_diagnostic_finalizer): Fix use of attribute.
9117
9118 2005-02-06  Geoffrey Keating  <geoffk@apple.com>
9119
9120         * config.gcc (*-*-darwin*): Separate darwin7 and darwin8 configs.
9121         * config/darwin8.h: New.
9122         * config/darwin7.h: Update comment.
9123
9124 2005-02-03  Leehod Baruch  <leehod@il.ibm.com>
9125             Dorit Naishlos  <dorit@il.ibm.com>
9126
9127         * tree-vectorizer.h (LOC): New type.
9128         (UNKNOWN_LOC, EXPR_LOC, LOC_FILE, LOC_LINE): New macros.
9129         (loop_line_number): New field in struct _loop_vec_info.
9130         (LOOP_VINFO_LOC, LOOP_LOC): New macros.
9131
9132         * tree-vectorizer.c (input.h): Included.
9133         (find_loop_location): New function.
9134         (vect_debug_stats): Argument changed from loop to LOC. Computation of
9135         loop line number removed.
9136         (vect_debug_details): Likewise.
9137         (new_loop_vec_info): Initialize new field LOOP_VINFO_LOC.
9138
9139         (slpeel_make_loop_iterate_ntimes): Call find_loop_location. Argument in
9140         call to vect_debug_details/stats changed from loop to loop_loc.
9141         (slpeel_tree_duplicate_loop_to_edge_cfg): Likewise.
9142         (slpeel_tree_peel_loop_to_edge): Likewise.
9143
9144         (vect_analyze_offset_expr): Argument in call to vect_debug_details/stats
9145         changed from NULL to UNKNOWN_LOC.
9146         (vect_get_base_and_offset):
9147         (vect_create_addr_base_for_vector_ref):
9148         (get_vectype_for_scalar_type):
9149         (vect_create_data_ref_ptr):
9150         (vect_init_vector):
9151         (vect_get_vec_def_for_operand):
9152         (vect_finish_stmt_generation):
9153         (vectorizable_assignment):
9154         (vectorizable_operation):
9155         (vectorizable_store):
9156         (vectorizable_load):
9157         (vect_transform_stmt):
9158         (vect_update_ivs_after_vectorizer):
9159         (vect_do_peeling_for_loop_bound):
9160         (vect_do_peeling_for_alignment):
9161         (vect_transform_loop):
9162         (vect_is_simple_use):
9163         (vect_analyze_operations):
9164         (vect_is_simple_iv_evolution):
9165         (vect_analyze_scalar_cycles):
9166         (vect_analyze_data_ref_dependences):
9167         (vect_compute_data_ref_alignment):
9168         (vect_enhance_data_refs_alignment):
9169         (vect_analyze_data_ref_access):
9170         (vect_analyze_data_ref_accesses):
9171         (vect_analyze_pointer_ref_access):
9172         (vect_get_memtag_and_dr):
9173         (vect_analyze_data_refs):
9174         (vect_mark_relevant):
9175         (vect_stmt_relevant_p):
9176         (vect_mark_stmts_to_be_vectorized):
9177         (vect_can_advance_ivs_p):
9178         (vect_get_loop_niters):
9179         (vect_analyze_loop):
9180         (vectorize_loops): Likewise.
9181
9182         (vectorizable_load): Argument in call to vect_debug_details/stats
9183         changed from loop to LOOP_LOC (loop_vinfo).
9184         (vect_transform_loop):
9185         (vect_analyze_operations):
9186         (vect_analyze_scalar_cycles):
9187         (vect_analyze_data_ref_dependence):
9188         (vect_enhance_data_refs_alignment):
9189         (vect_analyze_data_ref_accesses):
9190         (vect_analyze_pointer_ref_access):
9191         (vect_analyze_data_refs):
9192         (vect_analyze_loop): Likewise.
9193
9194         (vect_analyze_loop_form): Argument in call to vect_debug_details/stats
9195         changed from loop to loop_loc.
9196
9197         (vect_enhance_data_refs_alignment): Removed unused variable loop.
9198
9199 2005-02-03  Leehod Baruch  <leehod@il.ibm.com>
9200             Dorit Naishlos  <dorit@il.ibm.com>
9201
9202         * tree-vectorizer.c (vect_analyze_data_ref_dependence): Function
9203         declaration added.
9204         (vect_analyze_data_ref_dependences): Likewise.
9205
9206         (vect_is_simple_use): Argument changed from loop structure to
9207         loop_vect_info structure.
9208         (vect_can_advance_ivs_p): Likewise.
9209         (vect_create_index_for_vector_ref): Likewise.
9210         (vect_update_ivs_after_vectorizer): Likewise.
9211         (new_stmt_vec_info): Likewise.
9212
9213         (new_loop_vec_info): Second argument in call to new_stmt_vec_info was
9214         changed from loop to loop_vinfo.
9215         (vect_create_data_ref_ptr): First argument in call to
9216         vect_create_index_for_vector_ref was changed from loop to loop_vinfo.
9217         (vectorizable_assignment): Second argument in call to vect_is_simple_use
9218         was changed from loop to loop_vinfo.
9219         (vectorizable_operation): Likewise.
9220         (vectorizable_store): Likewise.
9221         (vect_mark_stmts_to_be_vectorized): Likewise.
9222         (vect_do_peeling_for_loop_bound): First argument in call to
9223         vect_update_ivs_after_vectorizer was changed from loop to loop_vinfo.
9224         (vect_analyze_operations): Argument in call to vect_can_advance_ivs_p
9225         was changed from loop to loop_vinfo.
9226         (vect_analyze_data_ref_dependences): Third argument in call to
9227         vect_analyze_data_ref_dependence was changed from loop to loop_vinfo.
9228
9229         (vect_create_index_for_vector_ref): Get the loop from loop_vinfo.
9230         (vect_create_data_ref_ptr): Likewise.
9231         (vect_init_vector): Likewise.
9232         (vect_get_vec_def_for_operand): Likewise.
9233         (vectorizable_assignment): Likewise.
9234         (vectorizable_operation): Likewise.
9235         (vectorizable_store): Likewise.
9236         (vectorizable_load): Likewise.
9237         (vect_update_ivs_after_vectorizer): Likewise.
9238         (vect_is_simple_use): Likewise.
9239         (vect_analyze_data_ref_dependence): Likewise.
9240         (vect_analyze_pointer_ref_access): Likewise.
9241         (vect_can_advance_ivs_p): Likewise.
9242
9243         * tree-vectorizer.h: (_loop_vec_info): Definition and macros moved
9244         before _stmt_vec_info.
9245         (_stmt_vec_info): Loop field replaced by loop_vec_info.
9246         (STMT_VINFO_LOOP): Replaced with STMT_VINFO_LOOP_VINFO.
9247         (new_stmt_vec_info): Argument changed from loop structure to
9248         loop_vect_info structure
9249
9250         (vect_analyze_data_ref_dependences): Unnecessary line was removed.
9251         (vect_analyze_offset_expr): Avoid 80 columns overflow.
9252         (vect_create_addr_base_for_vector_ref): Likewise.
9253         (vect_analyze_pointer_ref_access): Likewise.
9254
9255 2005-02-03  Andrew Pinski  <pinskia@physics.uc.edu>
9256
9257         PR tree-opt/19768
9258         * tree-ssa-dse.c (fix_phi_uses): Update the occurs in abnormal
9259         phi flag if the phi is abnormal.
9260
9261 2005-02-03  Andrew Pinski  <pinskia@physics.uc.edu>
9262
9263         PR tree-opt/19736
9264         * tree-ssa.c (replace_immediate_uses): Update the immediate_uses
9265         information for the new statement.
9266
9267 2005-02-03  Joseph S. Myers  <joseph@codesourcery.com>
9268
9269         PR driver/19117
9270         * gcc.c (main): Include the target in -v output.
9271
9272 2005-02-03  Alexandre Oliva  <aoliva@redhat.com>
9273
9274         * combine.c (simplify_comparison, case SIGN_EXTEND, ZERO_EXTEND):
9275         Do not drop the extend if we'd have to add a paradoxical subreg
9276         later.  Include optabs.h and insn-codes.h.
9277         * Makefile.in (combine.o): Depend on $(OPTABS_H).
9278
9279 2005-02-02  Roger Sayle  <roger@eyesopen.com>
9280
9281         PR middle-end/19405
9282         * real.h (REAL_MODE_FORMAT_COMPOSITE_P): New macro.
9283         * fold-const.c (const_binop): Avoid constant folding floating
9284         point operations in modes that use composite representations.
9285         * simplify-rtx.c (simplify_binary_operation): Likewise.
9286
9287 2005-02-02  Geoffrey Keating  <geoffk@apple.com>
9288
9289         * config/rs6000/altivec.md (altivec_dst): Make the first operand
9290         a REG, not a MEM.
9291         (altivec_dstt): Likewise.
9292         (altivec_dstst): Likewise.
9293         (altivec_dststt): Likewise.
9294         * config/rs6000/rs6000.c (altivec_expand_dst_builtin): Adjust creation
9295         of first operand.
9296
9297 2005-02-03  Dorit Naishlos  <dorit@il.ibm.com>
9298
9299         * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Copy
9300         EXPR_LOCUS from orig_cond to the new cond_stmt.
9301         (vect_finish_stmt_generation): Copy EXPR_LOCUS from stmt to
9302         the new vec_stmt.
9303
9304 2005-02-03  Dorit Naishlos  <dorit@il.ibm.com>
9305
9306         * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Call
9307         standard_iv_increment_position. Remove call to bsi_next
9308         (no need to bump the iterator anymore).
9309         (vect_create_index_for_vector_ref): Call
9310         standard_iv_increment_position. Remove second function argument.
9311         (vect_finish_stmt_generation): Remove call to bsi_next
9312         (no need to bump the iterator anymore).
9313         (vect_create_data_ref_ptr): Remove second argument (bsi) in call
9314         to vect_create_index_for_vector_ref.
9315
9316 2005-02-03  Dorit Naishlos  <dorit@il.ibm.com>
9317
9318         * tree-vectorizer.c (vect_mark_stmts_to_be_vectorized): Check if
9319         phis are used out of the loop.
9320
9321 2005-02-03  Joseph S. Myers  <joseph@codesourcery.com>
9322
9323         PR c/17807
9324         * c-decl.c (undef_nested_function): New variable.
9325         (pop_scope): Diagnose undefined nested functions.
9326         (finish_function): Don't attempt cgraph processing or genericizing
9327         if current top-level function contained an undefined nested
9328         function.  Reset undef_nested_function at the end of a top-level
9329         function.
9330
9331 2005-02-02  Zdenek Dvorak  <dvorakz@suse.cz>
9332
9333         * tree.c (build_int_cst_type): Take sign of the value into account
9334         when deciding whether sign extend the value.
9335
9336 2005-02-02  Joseph S. Myers  <joseph@codesourcery.com>
9337
9338         PR c/18502
9339         * gcc.c (cpp_unique_options): Remove %{trigraphs}.
9340         (cpp_options, cc1_options): Change %{std*&ansi} to
9341         %{std*&ansi&trigraphs}.
9342
9343 2005-02-02  Kazu Hirata  <kazu@cs.umass.edu>
9344
9345         * cse.c: Update comments.
9346
9347 2005-02-02  Aldy Hernandez  <aldyh@redhat.com>
9348
9349         * config/rs6000/rs6000.c (rs6000_spe_function_arg): Multi-reg
9350         arguments go on the stack.  Do not put complex doubles in odd/even
9351         pairs.
9352
9353 2005-02-02  Steven Bosscher  <stevenb@suse.de>
9354
9355         * doc/invoke.texi: Update the options enabled at -O1, -O2,
9356         and -O3.  Update the documentation for -fgcse-sm, -fgcse-las,
9357         -ftree-pre, and -fthread-jumps.
9358
9359 2005-02-02  Richard Sandiford  <rsandifo@redhat.com>
9360
9361         PR tree-optimization/19578
9362         * tree-flow.h (modified_noreturn_calls): Declare.
9363         (noreturn_call_p): Declare.
9364         * tree-flow-inline.h (noreturn_call_p): New function.
9365         (modify_stmt): Add modified noreturn calls to modified_noreturn_calls.
9366         * tree-cfg.c (modified_noreturn_calls): New variable.
9367         (cleanup_control_flow): Use noreturn_call_p.  Split basic blocks
9368         that contain a mid-block noreturn call.
9369         * tree-ssa.c (delete_tree_ssa): Clear modified_noreturn_calls.
9370
9371 2005-02-02  Kazu Hirata  <kazu@cs.umass.edu>
9372
9373         * df.c (df_def_record_1, df_uses_record): Don't use
9374         DF_FOR_REGALLOC.
9375         * df.h (DF_FOR_REGALLOC): Remove.
9376
9377 2005-02-02  Joseph S. Myers  <joseph@codesourcery.com>
9378
9379         PR c/19435
9380         * c-typeck.c (really_start_incremental_init): Reset
9381         constructor_max_index for arrays of incomplete type.
9382
9383 2005-02-02  Jeff Law  <law@redhat.com>
9384
9385         * gcse.c (struct reg_set): Store the block index where the register
9386         was set rather than the setting insn.
9387         (record_one_set, compute_transp): Corresponding changes.
9388         (pre_insert_copy_insn): Do not call replace_one_set.
9389         (replace_one_set): Remove.
9390
9391 2005-02-02  Joseph S. Myers  <joseph@codesourcery.com>
9392
9393         PR other/15514
9394         * doc/gcov.texi: Fix typo.
9395
9396 2005-02-01  Richard Henderson  <rth@redhat.com
9397
9398         PR target/19680
9399         * config/i386/i386.h (MODES_TIEABLE_P): Use ix86_modes_tieable_p.
9400         * config/i386/i386.c (ix86_hard_regno_mode_ok): Change return
9401         type to bool.
9402         (ix86_tieable_integer_mode_p, ix86_modes_tieable_p): New.
9403         * config/i386/i386-protos.h: Update.
9404
9405 2005-02-01  Steven Bosscher  <stevenb@suse.de>
9406
9407         PR tree-optimization/19217
9408         * tree-cfg.c (verify_expr): Use the data field to see if TP was
9409         seen inside a PHI node.  Do not do the ADDR_EXPR check if it was.
9410         (verify_stmts): Pass (void*)1 as data to verify_expr to signal
9411         that it is walking a PHI node.
9412
9413 2005-02-01  Joseph S. Myers  <joseph@codesourcery.com>
9414
9415         * doc/extend.texi (Nested Functions): Update.
9416
9417 2005-02-01  Richard Henderson  <rth@redhat.com>
9418
9419         PR 19696
9420         * optabs.c (expand_copysign_absneg): Export.
9421         * optabs.h (expand_copysign_absneg): Declare.
9422         * config/rs6000/rs6000.md (copysigntf3): New.
9423
9424 2005-02-01  Diego Novillo  <dnovillo@redhat.com>
9425
9426         PR tree-optimization/19633
9427         * tree-flow.h (struct ptr_info_def): Add field 'pt_null'.
9428         * tree-ssa-alias.c (init_alias_info): Initialize.
9429         (merge_pointed_to_info): Set.
9430         (add_pointed_to_expr): Set pt_null if EXPR is a NULL pointer.
9431         (dump_points_to_info_for): Show value of pt_null.
9432         (struct count_ptr_d): Declare.
9433         (find_ptr_dereference): Remove.
9434         (ptr_is_dereferenced_by): Remove.
9435         (count_ptr_derefs): New local function.
9436         (count_uses_and_derefs): New local function.
9437         (compute_points_to_and_addr_escape): Call it.  If the number
9438         of dereferences is greater than zero, mark the pointer as
9439         dereferenced.  If there are fewer dereferences than uses of
9440         the pointer, the pointer's value escapes.
9441
9442 2005-02-01  Diego Novillo  <dnovillo@redhat.com>
9443
9444         PR tree-optimization/19670
9445         * tree-ssa.c (verify_ssa_name): Don't set TREE_VISITED
9446         here...
9447         (verify_use): ... set it here, instead.
9448
9449 2005-02-01  Janis Johnson  <janis187@us.ibm.com>
9450
9451         * doc/sourcebuild.texi (Test directives): Fix formatting.
9452
9453         * doc/sourcebuild.texi (Test directives): Describe selector
9454         expressions.
9455
9456 2005-02-01  Segher Boessenkool  <segher@kernel.crashing.org>
9457
9458         * config.gcc (powerpc64-*-linux*): Default to -m64 also for
9459         specific 64-bit CPUs.
9460
9461 2005-02-01  Richard Earnshaw  <rearnsha@arm.com>
9462
9463         PR target/16201
9464         * arm.c (arm_eliminable_register): New function.
9465         (adjacent_mem_locations): Don't allow eliminable registers.  Use
9466         HOST_WIDE_INT for address offsets.
9467         * arm-protos.h (arm_eliminable_register): Add prototype.
9468
9469 2005-02-01  Steven Bosscher  <stevenb@suse.de>
9470
9471         PR optimization/15242
9472         * params.def (PARAM_MAX_GOTO_DUPLICATION_INSNS): New param.
9473         * basic-block.h (duplicate_computed_gotos): Add prototype.
9474         * bb-reorder.c (duplicate_computed_gotos): New function to
9475         duplicate sufficiently small blocks ending in a computed jump.
9476         * passes.c (rest_of_compilation): Call duplicate_computed_gotos
9477         if not optimizing for size.
9478         * cfgcleanup.c (try_crossjump_bb): If not optimizing for size,
9479         never do tail merging for blocks ending in a computed jump.
9480         * doc/invoke.texi: Document the max-goto-duplication-insns param.
9481
9482 2005-02-01  Eric Botcazou  <ebotcazou@libertysurf.fr>
9483
9484         Patch from Richard Sandiford <rsandifo@redhat.com>
9485         * reload1.c (choose_reload_regs): Prevent the find_equiv_reg() code
9486         from inheriting a subreg equivalence with a non-spill register.
9487
9488         * tree.h (DECL_FUNCTION_CODE): Document that it is overloaded.
9489
9490 2005-02-01  Alexandre Oliva  <aoliva@redhat.com>
9491
9492         * config/frv/frv.c (movcc_fp_destination_operand): New.
9493         (gpr_or_memory_operand): Fix typo in comment.
9494         (gpr_or_memory_operand_with_scratch): New.
9495         * config/frv/frv.h (PREDICATE_CODES): Add the two new predicates.
9496         * config/frv/frv.md (movcc_fp, movcc_fp_internal): Use
9497         movcc_fp_destination_operand.
9498         (reload_incc_fp): Use gpr_or_memory_operand_with_scratch.
9499         Legitimize memory addresses using a scratch register.
9500
9501 2005-01-31  Jeff Law  <law@redhat.com>
9502
9503         * tree-into-ssa.c (mark_def_sites_global_data): Make KILLS
9504         bitmap a sparse bitmap instead of a simple bitmap.
9505         (mark_def_sites_initialize_block):  Corresponding changes.
9506         (ssa_mark_def_sites_initialize_block): Likewise.
9507         (ssa_mark_phi_uses): Likewise.
9508         (mark_def_site, ssa_mark_def_sites): Likewise.
9509         (mark_def_site_blocks): Likewise.
9510         (rewrite_ssa_into_ssa): Likewise.
9511
9512         * tree-ssa-dom.c (record_cond): Pass correct variable type
9513         for last argument to htab_find_slot_with_hash.
9514
9515         * fold-const.c (fold, case CEIL_MOD_EXPR): Do not lose side
9516         effects when optimizing 0 % X.  Do not try to optimize X % 0.
9517
9518 2005-01-31  James E. Wilson  <wilson@specifixinc.com>
9519
9520         * config/ia64/itanium1.md (1_scall bypass): Change 2_mmalua to
9521         1_mmalua.
9522
9523 2005-02-01  Eric Christopher  <echristo@redhat.com>
9524
9525         * config/mips/mips.c (override_options): Warn if -mint64
9526         is used.
9527         * doc/invoke.texi (MIPS Options): Document that -mint64 is
9528         deprecated.
9529
9530 2005-02-01  Kazu Hirata  <kazu@cs.umass.edu>
9531
9532         * cse.c (cse_reg_info): Remove hash_next, next, regno.  Add
9533         timestamp.
9534         (cse_reg_info_list, cse_reg_info_list_free, REGHASH_SHIFT,
9535         REGHASH_SIZE, REGHASH_MASK, reg_hash, REGHASH_FN,
9536         cached_cse_reg_info, GET_CSE_REG_INFO): Remove.
9537         (cached_regno): Initialize to INVALID_REGNUM.
9538         (cse_reg_info_table_size,
9539         cse_reg_info_table_first_uninitialized,
9540         cse_reg_info_timestamp): New.
9541         (REG_TICK, REG_IN_TABLE, SUBREG_TICKED, REG_QTY): Use
9542         get_cse_reg_info.
9543         (init_cse_reg_info, get_cse_reg_info_1): New.
9544         (get_cse_reg_info): Cache the last look-up.
9545         (new_basic_block): Update the code to clear mappings from
9546         registers to cse_reg_info entries.
9547         (cse_main): Call init_cse_reg_info.
9548
9549         * cse.c (get_cse_reg_info): Update a comment.
9550
9551 2005-01-31  Steven Bosscher  <stevenb@suse.de>
9552
9553         PR c/19333
9554         * c-decl.c (start_decl): Do not warn about arrays of elements with
9555         an incomplete type here.
9556         (grokdeclarator): Do it here by making a pedwarn an error.
9557         * c-typeck.c (push_init_level): If there were previous errors with
9558         the constructor type, do not warn about braces for initializers.
9559         (process_init_element): Likewise for excess initializer elements.
9560
9561 2005-01-31  Kazu Hirata  <kazu@cs.umass.edu>
9562
9563         * cse.c (delete_trivially_dead_insn): Don't iterate.
9564
9565 2005-01-31  Andrew Pinski  <pinskia@physics.uc.edu>
9566
9567         * config/rs6000/rs6000.md (copysignsf3): New expand.
9568         (copysigndf3): Likewise.
9569
9570 2005-01-31  Steven Bosscher  <stevenb@suse.de>
9571
9572         * recog.c (constrain_operands): Only look for earlyclobber operand
9573         conflicts if an '&' constraint was seen.
9574
9575 2005-01-31  Marc Espie <espie@openbsd.org>
9576
9577         * config.gcc: Don't include embedded systems fragment, switches default
9578         debugging format to ELF.
9579         * config/i386/openbsdelf.h: Add DBX_REGISTER_NUMBER since we no
9580         longer pick it up there.
9581
9582 2005-01-31  Dale Johannesen  <dalej@apple.com>
9583
9584         * doc/extend.texi (nested functions): Fix linkage description.
9585         Clarify that static is not allowed.
9586
9587 2005-01-31  Dale Johannesen  <dalej@apple.com>
9588
9589         * config/rs6000/darwin.md (movsf_low_di):  Make work.
9590         (movdf_low_di):  Make work.
9591
9592 2005-01-31  Dale Johannesen  <dalej@apple.com>
9593
9594         * config/rs6000/darwin-tramp.asm (__trampoline_setup):
9595         Make work for 64 bit.
9596
9597 2005-01-31  Roger Sayle  <roger@eyesopen.com>
9598             Dale Johannesen  <dalej@apple.com>
9599
9600         PR middle-end/19650
9601         * fold-const.c (fold_binary_op_with_conditional_arg):
9602         Make types match original operands, before STRIP_NOPS.
9603
9604 2005-01-31  Alan Modra  <amodra@bigpond.net.au>
9605
9606         * config/rs6000/linux-unwind.h (struct gcc_vregs): New.
9607         (struct gcc_regs): Rename from gcc_pt_regs.  Add more regs.
9608         (struct gcc_sigcontext): Delete.  Merge contents to..
9609         (struct gcc_ucontext): ..here.
9610         (get_sigcontext): Delete.
9611         (get_regs): New function, like get_sigcontext but return regs ptr.
9612         64-bit version finds regs from r1 to support vdso.
9613         (ppc_linux_aux_vector): New function.
9614         (ppc_fallback_frame_state): Modify for get_regs.  Restore fprs
9615         and vector regs.
9616
9617 2005-01-31  Ira Rosen  <irar@il.ibm.com>
9618
9619         * tree-vectorizer.c (vect_analyze_offset_expr): Use ssizetype instead
9620         sizetype.
9621         (vect_get_base_and_offset): Use ssizetype instead sizetype. Remove
9622         redundant fold. Fix misalignment for MINUS_EXPR.
9623         (vect_compute_data_ref_alignment): Use ssizetype instead sizetype.
9624         (vect_analyze_pointer_ref_access): Likewise.
9625         (vect_get_memtag_and_dr): Likewise.
9626
9627 2005-01-31  Richard Henderson  <rth@redhat.com>
9628
9629         * config/i386/i386.c (absnegsf2_mixed): Remove all of the # hackery.
9630         (absnegsf2_sse, absnegsf2_i387, absnegdf2_mixed, absnegdf2_sse,
9631         absnegdf2_i387, absnegxf2_i387): Likewise.
9632
9633 2005-01-31  Richard Henderson  <rth@redhat.com>
9634
9635         PR 19696
9636         * optabs.c (expand_copysign_absneg): New.
9637         (expand_copysign_bit): Split out from ...
9638         (expand_copysign): ... here.  Use expand_copysign_absneg.
9639
9640 2005-01-30  Roger Sayle  <roger@eyesopen.com>
9641
9642         PR middle-end/19697
9643         * config/pa/pa.md (anddi3, iordi3): On HPPA64, disallow an integer
9644         constant as the second operand and a register as the third.
9645
9646 2005-01-31  Danny Smith  <dannysmith@users.sourceforge.net>
9647
9648         PR target/19704
9649         * config/i386/i386.c (ix86_function_ok_for_sibcall):  Also check
9650         that dllimport'd functions do not use all call-clobbered registers
9651         to pass parameters.
9652
9653 2005-01-30  Richard Henderson  <rth@redhat.com>
9654
9655         PR 19696
9656         * optabs.c (expand_absneg_bit): Split out from expand_unop and
9657         expand_abs_nojump and generalize.  Use operand_subword and
9658         emit_no_conflict_block.  Support large modes.
9659         (expand_abs_nojump): Use it.  Use HONOR_SIGNED_ZEROS to fall
9660         back to maximum.
9661         (expand_unop): Likewise.  Use HONOR_SIGNED_ZEROS to fall back
9662         negation to subtraction.
9663         (expand_copysign): Check that the format has signed zeros.
9664         Use operand_subword and emit_no_conflict_block.  Support large modes.
9665
9666 2005-01-30  Daniel Berlin  <dberlin@dberlin.org>
9667
9668         Fix PR tree-optimization/19624
9669
9670         * Makefile.in (tree-ssa-pre.o): Add CFGLOOP_H.
9671         * tree-ssa-pre.c: Add cfgloop.h.
9672         Update comment.
9673         (pre_stats): New member, constified.
9674         (inserted_exprs): New static variable.
9675         (NECESSARY): New macro.
9676         (create_expression_by_pieces): Fold the expression, and
9677         mark it as defaulting to not necessary. Also put in
9678         inserted_exprs.
9679         (fully_constant_expression): New function.
9680         (insert_into_preds_of_block): Modify to not insert phis when we
9681         are playing with induction variables.
9682         Push phis onto the inserted_exprs vector, and mark them as not
9683         necessary by default.
9684         (insert_aux): Call fully_constant_expression on eprime.
9685         If all edges produce the same value, mark it constant.
9686         (mark_operand_necessary): New function.
9687         (remove_dead_inserted_code): New function.
9688         (init_pre): Init loop optimizer to get loop info.
9689         (fini_pre): Free loop_optimizer, and inserted_exprs vec.
9690         (execute_pre): Commit edge inserts, then remove dead code.
9691
9692 2005-01-30  Richard Henderson  <rth@redhat.com>
9693
9694         * rtl.c (rtx_equal_p): No early exit for CONST_VECTOR.
9695         * varasm.c (const_rtx_hash_1): Handle CONST_VECTOR.
9696
9697 2005-01-30  Richard Henderson  <rth@redhat.com>
9698
9699         PR target/19700
9700         * config/i386/i386.c (ix86_expand_copysign): New.
9701         (ix86_split_copysign_const): New.
9702         (ix86_split_copysign_var): Rename from ix86_split_copysign,
9703         rearrange op1/nmask operands.
9704         * config/i386/i386-protos.h: Update.
9705         * config/i386/i386.md (copysignsf3): Use ix86_expand_copysign.
9706         (copysigndf3): Likewise.
9707         (copysignsf3_const, copysigndf3_const): New.
9708         (copysignsf3_var): Rename from copysignsf3, split out splitter
9709         and fix split predicate for X constraint.
9710         (copysigndf3_var): Similarly.
9711
9712 2005-01-30  Kazu Hirata  <kazu@cs.umass.edu>
9713
9714         * optabs.c, doc/c-tree.texi, doc/install.texi, doc/md.texi,
9715         doc/passes.texi, doc/rtl.texi, doc/sourcebuild.texi,
9716         doc/tm.texi, doc/tree-ssa.texi: Update copyright.
9717
9718 2005-01-29  Richard Henderson  <rth@redhat.com>
9719
9720         PR target/19690
9721         * config/i386/i386.md (movdf_nointeger, movdf_integer): Fix ordering
9722         of # and * in constraints.
9723
9724 2005-01-29  Richard Henderson  <rth@redhat.com>
9725
9726         PR middle-end/19689
9727         * expr.c (store_field): Don't strip sub-mode cast when the input
9728         data is even smaller.
9729
9730 2005-01-29  Richard Henderson  <rth@redhat.com>
9731
9732         PR middle-end/19687
9733         * expr.c (categorize_ctor_elements_1): Check for CONSTRUCTOR of a
9734         union being empty.
9735
9736 2005-01-29  Richard Henderson  <rth@redhat.com>
9737
9738         * combine.c (make_field_assignment): Fix argument order
9739         to gen_int_mode.
9740
9741 2005-01-29  Richard Guenther <richard.guenther@uni-tuebingen.de>
9742
9743         PR tree-optimization/15791
9744         * fold-const.c (extract_array_ref): New function.
9745         (fold): Fold comparisons between &a[i] and &a[j] or
9746         semantically equivalent trees.
9747
9748 2005-01-29  Jeff Law  <law@redhat.com>
9749
9750         * gcse.c (insert_expr_in_table): Revamp handling of available
9751         and anticipatable occurrence lists to avoid unnecessary list
9752         walking.
9753         (insert_set_in_table): Similarly.
9754
9755 2005-01-29  Joseph S. Myers  <joseph@codesourcery.com>
9756
9757         * c-common.c (fix_string_type): Just use c_build_qualified_type to
9758         build string type.
9759         (c_build_qualified_type): Build qualified array types with
9760         TYPE_MAIN_VARIANT pointing to corresponding unqualified type.
9761         * c-decl.c (c_make_fname_decl): Build unqualified array type
9762         before qualified type.
9763         (grokdeclarator): Use TYPE_MAIN_VARIANT of typedef type if element
9764         type is qualified, not just if type itself is.  Don't apply
9765         qualifiers to array type when declarator is processed.  Apply
9766         qualifiers to field type whether or not it is an array type.
9767         Don't handle array types specially for applying qualifiers to
9768         variables.
9769         * c-typeck.c (composite_type): Build unqualified element type and
9770         array type when forming composite of array types.
9771         (common_pointer_type, comptypes, comp_target_types,
9772         type_lists_compatible_p, build_indirect_ref, build_array_ref,
9773         convert_for_assignment): Don't apply TYPE_MAIN_VARIANT to array
9774         types.
9775         (type_lists_compatible_p): Cache TREE_VALUE (args1) and TREE_VALUE
9776         (args2) in variables a1 and a2.
9777
9778 2005-01-29  Kazu Hirata  <kazu@cs.umass.edu>
9779
9780         * cse.c (n_elements_made, max_elements_made): Remove.
9781         (insert): Don't touch n_elements_made.
9782         (cse_main): Don't touch n_elements_made or max_elements_made.
9783
9784 2005-01-28  Stephane Carrez  <stcarrez@nerim.fr>
9785
9786         PR target/15384
9787         * config/m68hc11/t-m68hc11-gas (dp-bit.c): Fix typo causing a
9788         configuration part of dp-bit.c to be lost.
9789
9790 2005-01-28  Roger Sayle  <roger@eyesopen.com>
9791
9792         * expmed.c (expand_mult_highpart_optab): When attempting to use
9793         a non-widening multiplication in a wider mode, the operands need
9794         to be converted (zero or sign extended) to that mode.
9795
9796 2005-01-28  Ian Lance Taylor  <ian@airs.com>
9797
9798         PR middle-end/16558
9799         PR middle-end/19583
9800         * gimple-low.c (block_may_fallthru): TRY_FINALLY_EXPR only falls
9801         through if both operands fall through.
9802
9803 2005-01-28  Kazu Hirata  <kazu@cs.umass.edu>
9804
9805         * cse.c (fold_rtx) <PC>: Don't optimize.
9806
9807 2005-01-28  Jeff Law  <law@redhat.com>
9808
9809         * fold-const.c (fold, case CEIL_MOD_EXPR): Optimize 0 % X.
9810         (case FLOOR_MOD_EXPR, ROUND_MOD_EXPR, TRUNC_MOD_EXPR): Similarly.
9811
9812 2005-01-28  Kazu Hirata  <kazu@cs.umass.edu>
9813
9814         * cse.c (cse_reg_info_free_list, cse_reg_info_used_list,
9815         cse_reg_info_used_list_end): Remove.
9816         (cse_reg_info_list, cse_reg_info_list_free): New.
9817         (get_cse_reg_info): When allocating an instance of
9818         cse_reg_info, add it to the beginning of the cse_reg_info_list
9819         list.  Remove code to maintain cse_reg_info_used_list.
9820         (new_basic_block): Reset the free list to the beginning of
9821         cse_reg_info_list.
9822
9823 2005-01-28  Richard Sandiford  <rsandifo@redhat.com>
9824
9825         * config/frv/frv.c (bdesc_2arg): Remove __MDPACKH.
9826         (frv_init_builtins): Change its prototype to take 4 uhalf arguments.
9827         (frv_expand_mdpackh_builtin): New function.
9828         (frv_expand_builtin): Use it to expand __MDPACKH.
9829         * doc/extend.texi (__MDPACKH): Update documentation.
9830
9831 2005-01-28  Uros Bizjak  <uros@kss-loka.si>
9832
9833         * config/i386/i386.c (ix86_expand_fp_absneg_operator): Use
9834         SSE_FLOAT_MODE_P for use_sse computation.
9835
9836 2005-01-28  Ralf Corsepius  <ralf.corsepius@rtems.org>
9837
9838         PR target/19663
9839         * config/sparc/rtemself.h (LINK_GCC_C_SEQUENCE_SPEC): undefine.
9840
9841 2005-01-27  Richard Henderson  <rth@redhat.com>
9842
9843         * builtins.c (expand_builtin_copysign): New.
9844         (expand_builtin): Call it.
9845         * genopinit.c (optabs): Add copysign_optab.
9846         * optabs.c (init_optabs): Initialize it.
9847         (expand_copysign): New.
9848         * optabs.h (OTI_copysign, copysign_optab): New.
9849         (expand_copysign): Declare.
9850
9851         * config/alpha/alpha.md (UNSPEC_COPYSIGN): New.
9852         (copysignsf3, ncopysignsf3, copysigndf3, ncopysigndf3): New.
9853
9854         * config/i386/i386.c (ix86_build_signbit_mask): Split from ...
9855         (ix86_expand_fp_absneg_operator): ... here.
9856         (ix86_split_copysign): New.
9857         * config/i386/i386-protos.h: Update.
9858         * config/i386/i386.md (UNSPEC_COPYSIGN): New.
9859         (copysignsf3, copysigndf3): New.
9860
9861         * config/ia64/ia64.md (UNSPEC_COPYSIGN): New.
9862         (copysignsf3, ncopysignsf3): New.
9863         (copysigndf3, ncopysigndf3): New.
9864         (copysignxf3, ncopysignxf3): New.
9865         * config/ia64/ia64.c (rtx_needs_barrier): Handle UNSPEC_COPYSIGN.
9866
9867 2005-01-27  Arend Bayer  <arend.bayer@web.de>
9868             Kazu Hirata  <kazu@cs.umass.edu>
9869
9870         * cse.c: (find_best_addr): Don't call copy_rtx before calling
9871         fold_rtx.  Save cost recomputation if fold_rtx did nothing.
9872         (fold_rtx) <ASM_OPERANDS>: Don't do anything if INSN is
9873         NULL_RTX.
9874
9875 2005-01-27  Jeff Law  <law@redhat.com>
9876
9877         * tree-into-ssa.c (ssa_rewrite_initialize_block): Do not register
9878         definitions of SSA_NAMEs which are not being rewritten.
9879         (rewrite_ssa_into_ssa): Only initialize the current definition
9880         of an SSA_NAME if that SSA_NAME has been marked for rewriting.
9881         If checking is enabled, assert that SSA_NAME_AUX is clear for all
9882         SSA_NAMEs before returning.
9883
9884 2005-01-27  Kazu Hirata  <kazu@cs.umass.edu>
9885
9886         * c-common.def, c-dump.c, c-gimplify.c, c-objc-common.c,
9887         cfgexpand.c, dbxout.c, function.h, opts.c, tree-flow-inline.h,
9888         tree-ssa-operands.h, tree-ssa-threadupdate.c, tree-tailcall.c,
9889         config/avr/avr.md, config/cris/aout.h, config/cris/cris.h,
9890         config/mips/iris6.h, config/sh/sh.c: Update copyright.
9891
9892 2005-01-27  Steven Bosscher  <stevenb@suse.de>
9893
9894         PR middle-end/17278
9895         * opts.c (decode_options): Move flag_thread_jumps from -O1 and
9896         higher to -O2 and higher.  Likewise for tree PRE.
9897         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Only iterate at -O2
9898         and better.
9899
9900 2005-01-27  Ian Lance Taylor  <ian@airs.com>
9901
9902         PR middle-end/19583
9903         * gimple-low.c (try_catch_may_fallthru): New static function.
9904         (block_may_fallthru): Handle TRY_CATCH_EXPR.
9905         * tree-inline.c (expand_call_inline): Don't warn about reaching
9906         the end of a non-void function being inlined if the function uses
9907         a return slot.
9908
9909 2005-01-27  Jakub Jelinek  <jakub@redhat.com>
9910
9911         * config/i386/i386.h (CALL_USED_REGISTERS): Fix comment pastos.
9912
9913         PR c/18946
9914         * c-decl.c (warn_if_shadowing): Handle old_decl error_mark_node.
9915         (pushdecl): Only use DECL_FILE_SCOPE_P if DECL_P.
9916         (implicitly_declare): Handle error_mark_node.
9917
9918 2005-01-27  Richard Henderson  <rth@redhat.com>
9919
9920         PR tree-opt/14329
9921         * tree.h (struct tree_decl): Add debug_expr_is_from.
9922         (DECL_DEBUG_EXPR_IS_FROM): New.
9923         (DECL_DEBUG_EXPR): Rename from DECL_DEBUG_ALIAS_OF.
9924         * dwarf2out.c (dwarf2out_var_location): Update to match.
9925         * tree-outof-ssa.c (create_temp): Likewise.
9926         * var-tracking.c (track_expr_p): Likewise.
9927         * tree-sra.c (instantiate_element): Set DECL_DEBUG_EXPR.
9928         * c-objc-common.c (c_tree_printer) <'D'>: Handle DECL_DEBUG_EXPR.
9929         * toplev.c (default_tree_printer): Likewise.
9930
9931 2005-01-27  Alexandre Oliva  <aoliva@redhat.com>
9932
9933         * config/frv/frv.c (frv_class_likely_spilled_p): Add GR8_REGS,
9934         GR9_REGS, GR89_REGS, FDPIC_FPTR_REGS, FDPIC_REGS.
9935
9936 2005-01-27  Steven Bosscher  <stevenb@suse.de>
9937
9938         * tree.h (SWITCH_COND, SWITCH_BODY, SWITCH_LABELS, CASE_LOW,
9939         CASE_HIGH, CASE_LABEL, ASM_STRING, ASM_OUTPUTS, ASM_INPUTS,
9940         ASM_CLOBBERS): Add tree checks.
9941
9942         * c-common.h (SWITCH_TYPE): Rename to SWITCH_STMT_TYPE.
9943         (SWITCH_STMT_COND, SWITCH_STMT_BODY): New.
9944         * c-common.def (SWITCH_STMT): Update to match.
9945         * c-common.c (c_do_switch_warnings): Use SWITCH_STMT accessor
9946         macros instead of SWITCH_EXPR ones.
9947         * c-dump.c (c_dump_tree): Likewise.
9948         * c-gimplify.c (gimplify_switch_stmt): Likewise.
9949         * c-typeck.c (c_start_case, do_case, c_finish_case): Likewise.
9950
9951         * doc/c-tree.texi (SWITCH_STMT): Update accessor macro names.
9952
9953 2005-01-27  Alan Modra  <amodra@bigpond.net.au>
9954
9955         * unwind-dw2.c (execute_stack_op): Add missing cases for
9956         DW_OP_shl, DW_OP_shr, DW_OP_shra, DW_OP_xor.
9957
9958 2005-01-27  Eric Botcazou  <ebotcazou@libertysurf.fr>
9959
9960         * config.gcc (Obsolete configurations): Remove 'dummy', add
9961         sparclite-*-coff*, sparclite-*-elf*, sparc86x-*-elf* and
9962         sparc-*-openbsd*.
9963
9964 2005-01-26  Diego Novillo  <dnovillo@redhat.com>
9965
9966         PR tree-optimization/19633
9967         * tree-ssa-alias.c (ptr_is_dereferenced_by): Also handle
9968         CALL_EXPRs.
9969         (maybe_create_global_var): Do not create .GLOBAL_VAR if there
9970         are no call-clobbered variables.
9971         * tree-outof-ssa.c (check_replaceable): Return false for calls
9972         with side-effects.
9973
9974 2005-01-26  Ulrich Weigand  <uweigand@de.ibm.com>
9975
9976         * dbxout.c (dbxout_symbol_location): Resolve constant pool references
9977         even for variables with NULL DECL_INITIAL.
9978
9979 2005-01-26  Stuart Hastings  <stuart@apple.com>
9980
9981         * gimplify.c (shortcut_cond_expr): Re-compute side-effects.
9982
9983 2005-01-26  Richard Henderson  <rth@redhat.com>
9984
9985         PR middle-end/18008
9986         * c-decl.c (finish_struct): Set DECL_MODE after resetting a
9987         field's type.
9988         * expr.c (store_field): Strip conversions to odd-bit-sized types
9989         if the destination field width matches.
9990
9991 2005-01-26  Richard Henderson  <rth@redhat.com>
9992
9993         * c-decl.c, expmed.c, expr.c: Revert last change.
9994
9995 2005-01-26  Richard Henderson  <rth@redhat.com>
9996
9997         PR middle-end/18008
9998         * c-decl.c (finish_struct): Set DECL_MODE after resetting a
9999         field's type.
10000         * expmed.c (store_fixed_bit_field): Create a paradoxical subreg
10001         if we don't need the bits above those present in the current mode.
10002         * expr.c (store_field): Strip conversions to odd-bit-sized types
10003         if the destination field width matches.
10004
10005 2005-01-26  Richard Sandiford  <rsandifo@redhat.com>
10006
10007         * config/mips/iris6.h (ENDFILE_SPEC): Don't link in irix-csr.o if
10008         either -ffast-math or -funsafe-math-optimizations is in use.
10009
10010 2005-01-26  Marek Michalkiewicz  <marekm@amelek.gda.pl>
10011
10012         PR target/19293
10013         PR target/19329
10014         * config/avr/avr.c (notice_update_cc): Only set condition code for
10015         ashrqi3 if shift count > 0.
10016         (out_shift_with_cnt): Handle shift count <= 0 as a no-op.
10017         (ashlqi3_out, ashlhi3_out, ashlsi3_out, ashrqi3_out, ashrhi3_out,
10018         ashrsi3_out, lshrqi3_out, lshrhi3_out, lshrsi3_out): Handle shift
10019         count <= 0 as a no-op, and shift count >= width by copying zero
10020         or sign bit to all bits of the result.
10021         * config/avr/avr.md (all shifts): Add alternatives for zero shift
10022         count, with attribute "length" set to 0 and "cc" set to "none".
10023
10024 2005-01-26  Aldy Hernandez  <aldyh@redhat.com>
10025
10026         * doc/invoke.texi: Document -mTLS.
10027
10028         * testsuite/gcc.target/frv/all-tls-global-dynamic.c: New.
10029         * testsuite/gcc.target/frv/all-tls-initial-exec.c: New.
10030         * testsuite/gcc.target/frv/all-tls-initial-exec-pic.c: New.
10031         * testsuite/gcc.target/frv/all-tls-local-dynamic.c: New.
10032         * testsuite/gcc.target/frv/all-tls-local-dynamic-plt.c: New.
10033         * testsuite/gcc.target/frv/all-tls-local-dynamic-plt-pic.c: New.
10034         * testsuite/gcc.target/frv/all-tls-local-exec.c: New.
10035         * testsuite/gcc.target/frv/all-tls-local-exec-TLS.c: New.
10036
10037         * configure.ac: Check for a TLS capable gas.
10038
10039         * configure: Regenerate.
10040
10041 2005-01-26  Richard Henderson  <rth@redhat.com>
10042
10043         PR middle-end/18008
10044         * combine.c (make_field_assignment): Simplify store to zero_extract
10045         from a source with an overlapping mask.
10046
10047 2005-01-26  Aldy Hernandez  <aldyh@redhat.com>
10048
10049         2004-11-11  Eric Christopher  <echristo@redhat.com>
10050
10051         * config/frv/frv.md: Add fr400_integer automaton. Don't
10052         allow TYPE_MUL, TYPE_MACC, or TYPE_CUT to issue in parallel
10053         to TYPE_MACC.
10054
10055 2005-01-26  Steven Bosscher  <stevenb@suse.de>
10056
10057         PR middle-end/16585
10058         * cfgbuild.c (make_edges): Do not clear or set
10059         current_function_has_computed_jump.
10060         * function.h (struct function): Remove the has_computed_jump field.
10061         (current_function_has_computed_jump): Do not define.
10062         * sched-rgn.c (is_cfg_nonregular): Return true if a basic block ends
10063         in a computed jump.  Ignore current_function_has_computed_jump.
10064
10065 2005-01-26  Richard Henderson  <rth@redhat.com>
10066
10067         PR middle-end/19515
10068         * expr.c (categorize_ctor_elements): New argument p_must_clear.
10069         (categorize_ctor_elements_1): Likewise.  Detect a union that isn't
10070         fully initialized.
10071         (mostly_zeros_p): Update for new categorize_ctor_elements argument.
10072         * gimplify.c (gimplify_init_constructor): Likewise.  Only shove
10073         objects into static storage if they have more than one non-zero value.
10074         * tree.h (categorize_ctor_elements): Update decl.
10075
10076 2005-01-26  Steven Bosscher  <stevenb@suse.de>
10077
10078         PR middle-end/19616
10079         * tree.h (CALL_EXPR_TAILCALL): Add comment.
10080         * calls.c (check_sibcall_argument_overlap_1): Revert the change
10081         to this function from 2004-07-10.
10082         * tree-tailcall.c (suitable_for_tail_opt_p): Do not consider the
10083         the current function for tail call optimizations if the address
10084         of one of it its arguments is taken.
10085
10086 2005-01-26  Kazu Hirata  <kazu@cs.umass.edu>
10087
10088         * cse.c (fold_rtx): Call equiv_constant only when necessary.
10089
10090 2005-01-26  Bernd Schmidt  <bernd.schmidt@analog.com>
10091
10092         * function.c (expand_function_end): If current_function_calls_alloca,
10093         emit stack restore in a place that is reached when the function falls
10094         through at the end.
10095
10096 2005-01-26  Alexandre Oliva  <aoliva@redhat.com>
10097
10098         * Makefile.in (../$(build_subdir)/fixincludes/fixincl): Add dummy
10099         rule to avoid matching inappropriate suffix rule.
10100
10101 2005-01-26  Jan Hubicka  <jh@suse.cz>
10102
10103         PR tree-optimization/19241
10104         * tree-inline.c (copy_body_r): Do not walk subtrees after substituting.
10105
10106 2005-01-26  Hans-Peter Nilsson  <hp@axis.com>
10107
10108         * config/cris/cris.h (LIB_SPEC) <sim*>: Use -lsyslinux, not
10109         -lsyssim.  Wrap -lc -lsyssim in --start-group --end-group instead
10110         of doubling.
10111         (STARTFILE_SPEC): Add crti.o, before crtbegin.o.
10112         <sim*>: Always use crt1.o, regardless of N in simN.
10113         <!sim>: Drop support for -pg and -p variants; always use crt0.o.
10114         (ENDFILE_SPEC): Add crtn.o, after crtend.o.
10115         (CRT_CALL_STATIC_FUNCTION): Remove.
10116         * config/cris/aout.h (STARTFILE_SPEC): <!melinux && sim*>: Always
10117         use crt1.o, regardless of N in simN.
10118         <!sim>: Drop support for -pg and -p variants; always use crt0.o.
10119         (LIB_SPEC): Do not define; default to the one in config/cris/cris.h.
10120         (CRIS_CPP_SUBTARGET_SPEC) <melinux && !nostdinc>: Remove special
10121         case isystem setting.
10122         (MAX_OFILE_ALIGNMENT): Correct to 32, not 16.
10123
10124 2005-01-25  Ian Lance Taylor  <ian@airs.com>
10125
10126         * gimple-low.c (block_may_fallthru): Correct handling of
10127         SWITCH_EXPR--may fall through if SWITCH_LABELS is NULL.
10128
10129 2005-01-26  Hans-Peter Nilsson  <hp@axis.com>
10130
10131         * config/cris/cris.h (CPP_SPEC): Adjust the various mtune=
10132         handlers to match indentation; nested under the mtune=* handler.
10133         Similar for mcpu= and march=.
10134
10135 2005-01-25  Daniel Jacobowitz  <dan@codesourcery.com>
10136
10137         * config/mips/linux.h (LIB_SPEC): Remove -rpath-link.
10138         * config/mips/linux64.h (LIB_SPEC): Likewise.
10139         * config/mn10300/linux.h (LIB_SPEC): Likewise.
10140         * config/sh/linux.h (LIB_SPEC): Likewise.
10141
10142 2005-01-25  Aldy Hernandez  <aldyh@redhat.com>
10143
10144         * config/frv/frv.c (frv_legitimize_tls_address): New.
10145         (TARGET_HAVE_TLS): Define.
10146         (FRV_SYMBOL_REF_TLS_P): Define.
10147         (frv_override_options): Handle new register classes.
10148         (frv_legitimate_address_p): Reject tls addresses.
10149         (frv_legitimize_address): Handle TLS addresses.
10150         (gen_inlined_tls_plt): New.
10151         (gen_tlsmoff): New.
10152         (frv_legitimize_tls_address): New.
10153         (unspec_got_name): Add TLS entries.
10154         (got12_operand): Add R_FRV_TLSMOFF12 case.
10155         (frv_emit_move): Fixup TLS addresses.
10156         (frv_emit_movsi): Legitimize TLS addresses.
10157
10158         * config/frv/frv.h (MASK_BIG_TLS): New.
10159         (TARGET_BIG_TLS): New.
10160         (HAVE_AS_TLS): Define.
10161         (TARGET_SWITCHES): Add -mTLS and -mtls options.
10162         (enum reg_class): Add GR8_REGS, GR9_REGS, GR89_REGS.
10163         (REG_CLASS_NAMES): Same.
10164         (REG_CLASS_CONTENTS): Same.
10165         (CONSTRAINT_LEN): New.
10166         (REG_CLASS_FROM_CONSTRAINT): New.
10167         (PREDICATE_CODES): Add symbolic_operand.
10168
10169         * config/frv/frv.md (define_constants): Add UNSPEC_GETTLSOFF,
10170         UNSPEC_TLS_LOAD_GOTTLSOFF12, UNSPEC_TLS_INDIRECT_CALL,
10171         UNSPEC_TLS_TLSDESC_LDD, UNSPEC_TLS_TLSDESC_LDD_AUX,
10172         UNSPEC_TLS_TLSOFF_LD, UNSPEC_TLS_LDDI, UNSPEC_TLSOFF_HILO,
10173         R_FRV_GOTTLSOFF_HI, R_FRV_GOTTLSOFF_LO, R_FRV_TLSMOFFHI,
10174         R_FRV_TLSMOFFLO, R_FRV_TLSMOFF12, R_FRV_TLSDESCHI,
10175         R_FRV_TLSDESCLO, R_FRV_GOTTLSDESCHI, R_FRV_GOTTLSDESCLO, GR8_REG,
10176         GR9_REG, GR14_REG, LRREG.
10177         (type): Add load_or_call attribute.
10178         ("load_or_call"): New reservation.
10179         ("call_gettlsoff"): New.
10180         ("tls_indirect_call"): New.
10181         ("tls_load_gottlsoff12"): New.
10182         ("tlsoff_hilo"): New.
10183         ("tls_tlsdesc_ldd"): New.
10184         ("tls_tlsoff_ld"): New.
10185         ("tls_lddi"): New.
10186
10187         * config/frv/frv-protos.h (symbolic_operand): Protoize.
10188
10189         2005-01-25  Alexandre Oliva  <aoliva@redhat.com>
10190
10191         * config/frv/frv.h (ASM_OUTPUT_DWARF_DTPREL): Define.
10192         * config/frv/frv-protos.h (frv_output_dwarf_dtprel): Declare.
10193         * config/frv/frv.c (TLS_BIAS): Define.
10194         (frv_output_dwarf_dtprel): New.
10195
10196 2005-01-26  Jakub Jelinek  <jakub@redhat.com>
10197
10198         PR rtl-optimization/19579
10199         * ifcvt.c (noce_try_cmove_arith): If emitting instructions to set up
10200         both A and B, see if they don't clobber registers the other expr uses.
10201
10202 2005-01-25  J"orn Rennecke <joern.rennecke@st.com>
10203
10204         * real.c (do_add): Initialize signalling and canonical members.
10205
10206         * real.c (real_from_integer): Zero out destination.
10207
10208 2005-01-18  Jan Hubicka  <jh@suse.cz>
10209
10210         PR tree-optimize/19337
10211         * tree-inline.c (initialize_inlined_parameters): Copy
10212         saved_static_chain_decl only.
10213
10214 2005-01-25  Richard Henderson  <rth@redhat.com>
10215
10216         PR target/19556
10217         PR target/19584
10218         * config/i386/i386.c (x86_inter_unit_moves): Zero.
10219         (ix86_preferred_reload_class): Rewrite fp-constant section, with
10220         80387 enabled, to return a proper subclass.  Return the subset that
10221         overlaps with GENERAL_REGS for PLUS.
10222         * config/i386/i386.md (movsi_1, movdi_2): Set type to "mmx" for pxor.
10223
10224 2005-01-25  Richard Henderson  <rth@redhat.com>
10225
10226         PR middle-end/19609
10227         * tree-complex.c (expand_complex_div_wide): Use the correct formulae.
10228
10229 2005-01-25  Roger Sayle  <roger@eyesopen.com>
10230
10231         * expmed.c (choose_multiplier): Change interface to return the
10232         multiplier lowpart as an rtx instead of an unsigned HOST_WIDE_INT.
10233         (expand_divmod): Update calls to choose_multiplier.
10234
10235 2005-01-24  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
10236
10237         PR middle-end/19330
10238         * expmed.c (extract_bit_field): Use adjust_address instead of
10239         gen_lowpart when op0 is a MEM.
10240
10241 2005-01-24  Steven Bosscher  <stevenb@suse.de>
10242
10243         * cfgexpand.c (expand_gimple_tailcall): Fix typo.
10244
10245 2005-01-24  Richard Sandiford  <rsandifo@redhat.com>
10246
10247         * config/mips/irix-csr.c: New file.
10248         * config/mips/t-iris6 (irix-csr.o): New rule to build it.
10249         (EXTRA_MULTILIB_PARTS): Add irix-csr.o.
10250         * config/mips/iris6.h (ENDFILE_SPEC): Include it in n32 and n64
10251         executables.
10252
10253 2005-01-24  Eric Botcazou  <ebotcazou@libertysurf.fr>
10254
10255         PR bootstrap/19364
10256         * config.gcc (sparc-*-elf*): Remove sol2.h, sparc/sol2.h and
10257         sparc/elf.h, add sparc/sp-elf.h.
10258         (sparc-*-rtems*): Likewise.
10259         (sparclite-*-elf*): Remove sol2.h, sparc/sol2.h, sparc/elf.h and
10260         tm-dwarf2.h, add sparc/sp-elf.h.
10261         (sparc86x-*-elf): Likewise.
10262         (sparc64-*-elf*): Remove sol2.h, sparc/sol2.h and tm-dwarf2.h.
10263         * config/sparc/liteelf.h (TARGET_SUB_OS_CPP_BUILTINS): Rename into
10264         TARGET_OS_CPP_BUILTINS.
10265         * config/sparc/sp86x-elf (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
10266         * config/sparc/rtemself.h (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
10267         Undefine it.
10268         * config/sparc/openbsd64.h (NO_IMPLICIT_EXTERN_C): Undefine.
10269         * config/sparc/sp64-elf.h (NO_IMPLICIT_EXTERN_C): New macro.
10270         (SWITCH_TAKES_ARG): Likewise.
10271         (LOCAL_LABEL_PREFIX): Likewise.
10272         (ASM_GENERATE_INTERNAL_LABEL): Likewise.
10273         (TARGET_N_FORMAT_TYPES): Delete.
10274         (TARGET_FORMAT_TYPES): Likewise.
10275         (ASM_DECLARE_FUNCTION_SIZE): Likewise.
10276         * config/sparc/elf.h: Delete.
10277         * config/sparc/sp-elf.h: New file.
10278
10279 2005-01-24  Kazu Hirata  <kazu@cs.umass.edu>
10280
10281         * tree-flow-inline.h (phi_arg_from_edge): Remove.
10282         * tree-flow.h: Remove the corresponding prototype.
10283         * tree-ssa-operands.h, tree-ssa-threadupdate.c, tree-ssa.c,
10284         tree-vectorizer.c: Use dest_idx instead of phi_arg_from_edge.
10285
10286 2005-01-24  Jakub Jelinek  <jakub@redhat.com>
10287
10288         PR target/17751
10289         * config/rs6000/rs6000.c (rs6000_file_start): Create toc section
10290         for AIX ABI or ELF -fPIC.
10291         (rs6000_emit_load_toc_table): Don't create toc_section here.
10292         (rs6000_xcoff_file_start): Nor here.
10293
10294 2005-01-24  J"orn Rennecke <joern.rennecke@st.com>
10295
10296         * sh.c (ra.h): Don't #include.
10297         (hard_regs_intersect_p): New function, resurrected from ra.c.
10298
10299         * sh.c: Fix 1996 Copyright.
10300
10301 2005-01-24  Richard Henderson  <rth@redhat.com>
10302             Aldy Hernandez  <aldyh@redhat.com>
10303
10304         * regrename.c (note_sets): Handle subregs.
10305
10306 2005-01-24  Joseph S. Myers  <joseph@codesourcery.com>
10307
10308         PR bootstrap/18058
10309         * genconditions.c (write_header, write_conditions): Elide file if
10310         not GCC >= 3.0.1.
10311
10312 2005-01-24  Kazu Hirata  <kazu@cs.umass.edu>
10313
10314         * c-opts.c, expmed.c, gengtype.c, tree-complex.c,
10315         config/arm/iwmmxt.md, config/avr/avr.c, config/s390/s390.h:
10316         Update copyright.
10317
10318 2005-01-24  Jakub Jelinek  <jakub@redhat.com>
10319
10320         * builtins.c (get_pointer_alignment, gimplify_va_arg_expr,
10321         expand_builtin_printf, expand_builtin_fprintf,
10322         expand_builtin_sprintf): Use POINTER_TYPE_P instead TREE_CODE
10323         checking against POINTER_TYPE.
10324         (validate_arglist): Handle POINTER_TYPE code by checking
10325         POINTER_TYPE_P.
10326
10327 2005-01-24  Paolo Bonzini  <bonzini@gnu.org>
10328
10329         * rtlanal.c (non_rtx_starting_operands, for_each_rtx_1,
10330         init_rtlanal): New.
10331         (for_each_rtx): Call for_each_rtx_1.
10332         * rtl.h (init_rtlanal): Declare.
10333         * toplev.c (backend_init): Call init_rtlanal.
10334
10335 2005-01-24  Jakub Jelinek  <jakub@redhat.com>
10336
10337         * flow.c (propagate_one_insn): Formatting.
10338
10339         PR middle-end/19551
10340         * flow.c (libcall_dead_p): Be more conservative if unsure.
10341         If there are any instructions between insn and call, see if they are
10342         all dead before saying the libcall is dead.
10343
10344 2005-01-24  Uros Bizjak  <uros@kss-loka.si>
10345
10346         * config/i386/i386.md (*extendsfdf2_sse): Use "nonimmediate_operand"
10347         operand constraint for operand 0.
10348
10349 2005-01-23  Richard Henderson  <rth@redhat.com>
10350
10351         PR 19486
10352         * tree-complex.c (expand_complex_div_wide): Set EDGE_FALLTHRU on
10353         edges leading to join block.
10354
10355 2005-01-23  Roger Sayle  <roger@eyesopen.com>
10356
10357         * expmed.c (expand_mult_highpart): Make static.  Change type of
10358         constant multiplier argument from unsigned HOST_WIDE_INT to rtx.
10359         (expand_divmod): Updates calls to expand_mult_highpart by using
10360         gen_int_mode to pass a CONST_INT rtx.
10361         * rtl.h (expand_mult_highpart): Remove prototype.
10362
10363 2005-01-23  Kazu Hirata  <kazu@cs.umass.edu>
10364
10365         * flow.c (regset_bytes, regset_size): Remove.
10366
10367         * cfganal.c: Fix a reference to Harvey's paper.
10368
10369 2005-01-23  Steven Bosscher  <stevenb@suse.de>
10370
10371         PR rtl-optimization/19464
10372         * tree-optimize.c (init_tree_optimization_passes): Add one more
10373         copyrename pass just before out-of-ssa.
10374
10375 2005-01-23  Joseph S. Myers  <joseph@codesourcery.com>
10376
10377         PR bootstrap/18058
10378         * recog.c (recog_memoized): Don't define if GENERATOR_FILE.
10379         * ggc-none.c (ggc_free): Define.
10380
10381 2005-01-23  Kazu Hirata  <kazu@cs.umass.edu>
10382
10383         * cse.c (max_reg, max_insn_uid): Remove.
10384         (cse_main): Don't access max_reg or max_insn_uid.
10385
10386         * c-common.c (explicit_flag_signed_bitfields,
10387         lang_statement_code_p, lang_expand_function_end): Remove.
10388         * c-common.h: Remove the corresponding declarations.
10389         * c-opts.c (c_common_handle_option): Remove all write access
10390         to explicit_flag_signed_bitfields.
10391
10392         * cgraph.c (cgraph_varpool_n_nodes): Remove.
10393         (cgraph_varpool_node): Don't access cgraph_varpool_n_nodes.
10394         * cgraph.h: Remove the corresponding declaration.
10395
10396         * gcse.c (null_pointer_info): Remove.
10397
10398 2005-01-23  Roger Sayle  <roger@eyesopen.com>
10399             Eric Botcazou  <ebotcazou@libertysurf.fr>
10400
10401         * combine.c (simplify_logical): Only simplify logical expressions
10402         of the form ior(and(x,y),z) by the inverse distributive law if the
10403         result is cheaper than the original.
10404
10405 2005-01-23  Kazu Hirata  <kazu@cs.umass.edu>
10406
10407         * alias.c, c-common.h, c-incpath.c, c-incpath.h, expr.c,
10408         fold-const.c, gimplify.c, params.h, tree-data-ref.c,
10409         tree-if-conv.c, tree-nested.c, tree-outof-ssa.c,
10410         tree-ssa-dom.c, tree-vectorizer.c, tree.def, config/darwin.c,
10411         config/freebsd-spec.h, config/arm/arm.h,
10412         config/h8300/h8300.md, config/i386/i386.md,
10413         config/i386/predicates.md, config/i386/sse.md,
10414         config/ia64/ia64.c, config/ip2k/ip2k.c, config/s390/s390.c,
10415         config/vax/vax.md: Fix comment typos.  Follow spelling
10416         conventions.
10417
10418 2005-01-23  Steven Bosscher  <stevenb@suse.de>
10419
10420         * gengtype.c (walk_type): Produce `not equal to' compares for loop
10421         tests, instead of `less than'.
10422
10423 2005-01-23  Richard Sandiford  <rsandifo@redhat.com>
10424
10425         * function.c (assign_parm_setup_block): When creating a new stack slot
10426         for a parameter, get its alignment from the parameter's DECL_ALIGN
10427         rather than the type's TYPE_ALIGN.  Make sure that the parameter
10428         is at least word aligned.
10429
10430 2005-01-22  Roger Sayle  <roger@eyesopen.com>
10431
10432         PR middle-end/19378
10433         * config/avr/avr.c (avr_hard_regno_mode_ok): Rewrite.
10434
10435 2005-01-22  Richard Henderson  <rth@redhat.com>
10436
10437         PR target/19506
10438         * config/i386/i386.md (movsfcc_1_sse_max): Use nonimmediate_operand
10439         in both compare operands.
10440         (movdfcc_1_sse_max): Likewise.
10441         (movsfcc_1_sse): Likewise.  Add earlyclobber for scratch.
10442         (movdfcc_1_sse): Likewise.
10443         * config/i386/i386.c (ix86_split_sse_movcc): Emit copies into the
10444         scratch register as needed.
10445
10446 2005-01-22  Richard Henderson  <rth@redhat.com>
10447
10448         * config/i386/i386.md (smaxsf3): Fix mnemonic typo.
10449
10450         * config/i386/i386.c (ix86_prepare_fp_compare_args): Fix is_sse test.
10451
10452 2005-01-22  Richard Henderson  <rth@redhat.com>
10453
10454         * genopinit.c (optabs): Use smin/smax for floating point too.
10455         * doc/md.texi: Update to match.  Clarify that floating point
10456         results are undefined for +0/-0 and NaN.
10457         * doc/rtl.texi: Likewise.
10458         * rtl.def (SMIN, SMAX): Likewise
10459         * tree.def (MIN_EXPR, MAX_EXPR): Likewise.
10460
10461         * config/alpha/alpha.md (smaxdf3, smindf3, smaxsf3, sminsf3): Add
10462         leading 's' to the name.
10463         * config/ia64/ia64.md (smaxsf3, sminsf3, smaxdf3, smindf3,
10464         smaxxf3, sminxf3): Likewise.
10465         * config/rs6000/rs6000.md (smaxdf3, smindf3, smaxsf3, sminsf3):
10466         Likewise.
10467
10468 2005-01-22  Paul Brook  <paul@codesourcery.com>
10469
10470         * config/arm/arm.md: Use "Uy" constraint for wcgr load/stores.
10471
10472 2005-01-21  Mark Dettinger  <dettinge@de.ibm.com>
10473
10474         * config/s390/s390.c (struct processor_costs): New fields
10475         dlgr, dlr, dr, dsgfr, dsgr.
10476         (z900_cost, z990_cost): Values for new fields.
10477         (s390_rtx_costs): New cases MEM und COMPARE in switch
10478         statement. Modified handling of SIGN_EXTEND, ZERO_EXTEND,
10479         DIV, MOD, UDIV, UMOD.
10480
10481 2005-01-21  Ulrich Weigand  <uweigand@de.ibm.com>
10482
10483         * config/s390/s390.md ("doloop_si64"): Reload input value directly
10484         into the register being decremented.
10485         ("doloop_si31", "doloop_di"): Likewise.
10486         ("*doloop_si_long"): Adapt pattern.
10487
10488 2005-01-21  Ulrich Weigand  <uweigand@de.ibm.com>
10489
10490         * config/s390/s390.h (HARD_REGNO_NREGS): Fix computation for
10491         access registers.
10492         (CLASS_MAX_NREGS): Likewise.
10493
10494 2005-01-21  Daniel Berlin  <dberlin@dberlin.org>
10495
10496         * doc/tree-ssa.texi (Statement Operands): Add example for new
10497         must-def macro. Note deprecation of old operands interface.
10498
10499 2005-01-22  Richard Sandiford  <rsandifo@redhat.com>
10500
10501         PR tree-optimization/19484
10502         * tree-cfg.c (remove_fallthru_edge): New function.
10503         (cleanup_control_flow): Remove fallthru edges from calls that are
10504         now known not to return.
10505
10506 2005-01-20  Daniel Berlin  <dberlin@dberlin.org>
10507
10508         Fix PR tree-optimization/19038
10509         * tree-ssa-dom.c (cprop_operand): Don't replace loop invaeriant
10510         copies with loop variant ones.
10511
10512 2005-01-22  Kazu Hirata  <kazu@cs.umass.edu>
10513
10514         * cfganal.c, real.h, reorg.c, timevar.def, tree-ssa-ccp.c,
10515         config/alpha/alpha-protos.h, config/alpha/alpha.h,
10516         config/alpha/alpha.md, config/alpha/predicates.md,
10517         config/sparc/freebsd.h, config/sparc/netbsd-elf.h,
10518         config/sparc/sol2.h: Update copyright.
10519
10520         * tree-cfg.c (remove_forwarder_block_with_phi): Look at the
10521         first label to see if it is a nonlocal label.
10522
10523 2005-01-22  David Edelsohn  <edelsohn@gnu.org>
10524             Andrew Pinski  <pinskia@physics.uc.edu>
10525
10526         PR target/19491
10527         * config/rs6000/rs6000.c (rs6000_va_start): Saturate n_gpr at
10528         maximum number of GPRs.  Saturate n_fpr at maximum number of FPRs.
10529
10530 2005-01-22  Ralf Corsepius  <ralf.corsepius@rtems.org>
10531
10532         * config/rs6000/rtems.h: Update copyright.
10533
10534 2005-01-22  Ralf Corsepius  <ralf.corsepius@rtems.org>
10535
10536         PR target/19548
10537         * config/rs6000/rtems.h: Resurrect cpp_os_rtems_spec from gcc < 3.4.
10538         (CPP_OS_RTEMS_SPEC): New (From gcc-3.3's config/rs6000/sys4.h).
10539         (SUBSUBTARGET_EXTRA_SPECS): Use CPP_OS_RTEMS_SPEC.
10540
10541 2005-01-22  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
10542
10543         PR c/18809
10544         * c-typeck.c (convert_arguments): Check for error_mark_node.
10545
10546 2005-01-21  Ian Lance Taylor  <ian@airs.com>
10547
10548         PR tree-optimization/13000
10549         * tree-inline.c: Include "tree-flow.h".
10550         (expand_call_inline): If warn_return_type, warn if non-void inline
10551         function falls through.
10552         * tree-cfg.c (execute_warn_function_return): Don't warn about
10553         control reaching end if TREE_NO_WARNING is set.  Set
10554         TREE_NO_WARNING.
10555         * gimple-low.c (block_may_fallthru): Don't assume that SWITCH_EXPR
10556         has been lowered.
10557         * gimplify.c (shortcut_cond_expr): Don't emit a jump over the else
10558         branch if we don't need one.
10559         * c-typeck.c: Include "tree-flow.h"
10560         (c_finish_bc_stmt): Don't add a goto if the current statement
10561         list doesn't fall through to the current point.
10562
10563 2005-01-21  Roger Sayle  <roger@eyesopen.com>
10564
10565         PR rtl-optimization/576
10566         * real.c (real_arithmetic): Change return type from void to bool
10567         to return an indication that the result may be inexact.
10568         * real.h (real_arithmeric): Update prototype.
10569         * fold-const.c (const_binop):  Don't constant fold floating
10570         point expressions when the user specifies -frounding-math and
10571         the result may depend upon the run-time rounding mode.
10572         (fold_convert_const_real_from_real): Clean-up.
10573         (fold_initializer): Ignore flag_rounding_math for initializers.
10574         * simplify-rtx.c (simplify_binary_operation): Likewise, don't
10575         constant fold FP operations with flag_rounding_math if the
10576         result may depend upon the run-time rounding mode.
10577
10578 2005-01-21  Tom Tromey  <tromey@redhat.com>
10579
10580         * c-cppbuiltin.c (define__GNUC__): Correct assertion.
10581
10582 2005-01-21  Kazu Hirata  <kazu@cs.umass.edu>
10583
10584         * tree-cfg.c: Fix comment typos.
10585
10586 2005-01-21  J"orn Rennecke <joern.rennecke@st.com>
10587
10588         * passes.c (rest_of_handle_flow2): Close / open the flow2 dump file
10589         around the call to rest_of_handle_branch_target_load_optimize.
10590
10591 2005-01-21  Eric Botcazou  <ebotcazou@libertysurf.fr>
10592
10593         * config.gcc (sparc-*-netbsdelf*): Include dbxelf.h
10594         (sparc64-*-openbsd*): Likewise.
10595         (sparclite-*-elf*): Include tm-dwarf2.h.
10596         (sparc86x-*-elf*): Likewise.
10597         (sparc64-*-elf*): Likewise.
10598         * config/sparc/linux64.h (DWARF2_DEBUGGING_INFO): Delete.
10599         (DBX_DEBUGGING_INFO): Likewise.
10600         * config/sparc/liteelf.h (DWARF2_DEBUGGING_INFO): Likewise.
10601         (PREFERRED_DEBUGGING_TYPE): Likewise.
10602         * config/sparc/netbsd-elf.h (PREFERRED_DEBUGGING_TYPE): Likewise.
10603         * config/sparc/sp64-elf.h (DBX_DEBUGGING_INFO): Likewise.
10604         (PREFERRED_DEBUGGING_TYPE): Likewise.
10605         * config/sparc/sp86x-elf.h (DWARF2_DEBUGGING_INFO): Likewise.
10606         (PREFERRED_DEBUGGING_TYPE): Likewise.
10607         * config/sparc/sparc.h (DBX_DEBUGGING_INFO): Likewise.
10608
10609 2005-01-21  Hans-Peter Nilsson  <hp@bitrange.com>
10610
10611         PR target/18701
10612         * combine.c (combine_simplify_rtx): Revert change of 2004-12-31.
10613
10614 2005-01-20  Paul Brook  <paul@codesourcery.com>
10615
10616         * doc/rtl.texi: Document value extension requirements for CONST_INT.
10617
10618 2005-01-20  Kazu Hirata  <kazu@cs.umass.edu>
10619
10620         * tree-cfg.c (tree_verify_flow_info): Check that a nonlocal
10621         label is first in a sequence of labels.
10622
10623         * tree-cfg.c (tree_verify_flow_info): Fix a typo.
10624
10625 2005-01-20  Janis Johnson  <janis187@us.ibm.com>
10626             Giovanni Bajo  <giovannibajo@gcc.gnu.org>
10627
10628         * doc/sourcebuild.texi (Test Directives): New.
10629
10630 2005-01-20  Roger Sayle  <roger@eyesopen.com>
10631
10632         * real.c (real_floor): Don't leave the result uninitialized when
10633         mode is VOIDMode, but return the unrounded intermediate value.
10634         (real_ceil): Likewise.
10635
10636 2005-01-20  Paul Brook  <paul@codesourcery.com>
10637
10638         * config/arm/arm.md (insv): Use gen_int_mode.
10639
10640 2005-01-20  Eric Botcazou  <ebotcazou@libertysurf.fr>
10641
10642         * config/sparc/freebsd.h (ASM_OUTPUT_INTERNAL_LABELREF): Delete.
10643         * config/sparc/linux.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
10644         * config/sparc/linux64.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
10645         * config/sparc/netbsd-elf.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
10646         * config/sparc/sol2.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
10647
10648 2005-01-20  Daniel Berlin  <dberlin@dberlin.org>
10649
10650         Fix PR debug/19124
10651         * dwarf2out.c (concat_loc_descriptor): We don't know we can use
10652         fbreg, so we have to assume we can't.
10653         (loc_descriptor_from_tree_1): Ditto.
10654         (containing_function_has_frame_base): New function.
10655         (add_location_or_const_value_attribute): Use it.
10656         Also try to generate a frame_base from a single element location
10657         list.
10658
10659 2005-01-20  Kazu Hirata  <kazu@cs.umass.edu>
10660
10661         PR tree-optimization/15349
10662         * timevar.def (TV_TREE_MERGE_PHI): New.
10663         * tree-cfg.c (tree_forwarder_block_p): Add a new argument
10664         PHI_WANTED.
10665         (remove_forwarder_block, cleanup_forwarder_blocks): Adjust the
10666         calls to tree_forwarder_block_p.
10667         (remove_forwarder_block_with_phi, merge_phi_nodes,
10668         gate_merge_phi, pass_merge_phi): New.
10669         * tree-optimize.c (init_tree_optimization_passes): Add
10670         pass_merge_phi.
10671         * tree-pass.h: Add an extern for pass_merge_phi;
10672
10673 2005-01-20  Richard Henderson  <rth@redhat.com>
10674
10675         PR target/19418
10676         * config/i386/emmintrin.h (_mm_castpd_ps, _mm_castpd_si128): New.
10677         (_mm_castps_pd, _mm_castps_si128): New.
10678         (_mm_castsi128_ps, _mm_castsi128_pd): New.
10679
10680 2005-01-20  Richard Henderson  <rth@redhat.com>
10681
10682         PR target/19530
10683         * config/i386/mmintrin.h (_mm_cvtsi32_si64): Use
10684         __builtin_ia32_vec_init_v2si.
10685         (_mm_cvtsi64_si32): Use __builtin_ia32_vec_ext_v2si.
10686         * config/i386/i386.c (IX86_BUILTIN_VEC_EXT_V2SI): New.
10687         (ix86_init_mmx_sse_builtins): Create it.
10688         (ix86_expand_builtin): Expand it.
10689         (ix86_expand_vector_set): Handle V2SFmode and V2SImode.
10690         * config/i386/mmx.md (vec_extractv2sf_0, vec_extractv2sf_1): New.
10691         (vec_extractv2si_0, vec_extractv2si_1): New.
10692
10693 2005-01-20  Richard Henderson  <rth@redhat.com>
10694
10695         PR target/16533
10696         * config/i386/i386.c (ix86_expand_push): New.
10697         * config/i386/mmx.md (push<MMXMODE>1): New.
10698         * config/i386/sse.md (push<SSEMODE>1): New.
10699         * config/i386/i386-protos.h: Update.
10700
10701 2005-01-20  Kazu Hirata  <kazu@cs.umass.edu>
10702
10703         * params.def, params.h, predict.c, tree-ssa-loop-im.c: Update
10704         copyright.
10705
10706 2005-01-20  Richard Henderson  <rth@redhat.com>
10707
10708         * rtl.def (CONST_VECTOR): Use RTX_CONST_OBJ.
10709         * rtl.h (CONSTANT_P): Don't special case CONST_VECTOR.
10710
10711 2005-01-19  Richard Henderson  <rth@redhat.com>
10712
10713         PR target/19350
10714         * config/i386/i386.c (ix86_expand_vector_move_misalign): Convert
10715         to V4SFmode in SSE1 fallback load path.
10716
10717 2005-01-19  Richard Henderson  <rth@redhat.com>
10718
10719         * config/i386/i386.c (ix86_expand_vector_init_one_var): Fix typo
10720         in QImode expansion to ix86_expand_vector_set.
10721         (ix86_expand_vector_init_general): Fix typo in V8HImode recursive call.
10722
10723 2005-01-19  Richard Henderson  <rth@redhat.com>
10724
10725         PR target/19511
10726         * config/i386/i386.c (ix86_preferred_reload_class): Return a proper
10727         subclass of the input class.
10728         (ix86_secondary_memory_needed): Always true for cross-MMX classes.
10729         Always true for cross-SSE1 classes.  Rationalize conditionals.
10730         * config/i386/i386.h (SSE_CLASS_P, MMX_CLASS_P): Use straight equality.
10731         * config/i386/i386.md (movsi_1): Add MMX/SSE zeros.  Fix alternatives
10732         for SSE1.  Don't check TARGET_INTER_UNIT_MOVES.
10733         (movdi_2): Add MMX/SSE zeros.
10734         (movdi_1_rex64): Likewise.  Don't check TARGET_INTER_UNIT_MOVES.
10735         (movsf_1): Don't check TARGET_INTER_UNIT_MOVES.
10736         (zero_extendsidi2_32, zero_extendsidi2_rex64): Likewise.
10737         (movsi_1_nointernunit, movdi_1_rex64_nointerunit): Remove.
10738         (movsf_1_nointerunit, zero_extendsidi2_32_1): Remove.
10739         (zero_extendsidi2_rex64_1): Remove.
10740         (MOV0 peephole): Check GENERAL_REG_P.
10741
10742 2005-01-19  Richard Henderson  <rth@redhat.com>
10743
10744         PR target/19427
10745         * config/i386/i386.c (ix86_expand_vector_set): Fix third and fourth
10746         shufps elements.
10747         (ix86_expand_vector_extract): Likewise.
10748
10749 2005-01-19  Richard Henderson  <rth@redhat.com>
10750
10751         PR middle-end/19304
10752         * expr.c (emit_move_change_mode): New argument force; use
10753         simplify_gen_subreg if true.
10754         (emit_move_via_alt_mode): Merge into ...
10755         (emit_move_via_integer): ... here.
10756         (emit_move_ccmode): Use emit_move_change_mode directly.
10757
10758 2005-01-19  Richard Henderson  <rth@redhat.com>
10759
10760         PR target/19518
10761         * config/alpha/alpha.c (alpha_rtx_costs): Handle HIGH.
10762         (alpha_preferred_reload_class): Handle CONST_VECTOR.
10763         (alpha_emit_set_const_1): Add no_output parameter; don't emit
10764         rtl if true.
10765         (alpha_emit_set_const): Likewise.  Make static.
10766         (alpha_emit_set_long_const): Make static.
10767         (alpha_extract_integer): Split out from alpha_expand_mov.
10768         (alpha_split_const_mov): Likewise.
10769         (alpha_expand_mov): Use them.  Handle CONST_VECTOR.
10770         (alpha_legitimate_constant_p): New.
10771         * config/alpha/alpha-protos.h: Update.
10772         * config/alpha/alpha.h (REGISTER_MOVE_COST): Correct fp<->gp cost.
10773         (LEGITIMATE_CONSTANT_P): Re-implement with a function.
10774         * config/alpha/alpha.md (movsi): Add n alternative.
10775         (movsi_nt_vms, movdi_er_nofix, movdi_er_fix, movdi_fix): Likewise.
10776         (mov<VEC>_fix, mov<VEC>_nofix): Add i alternative.
10777         (splitters for all of the above): Use alpha_split_const_mov.
10778         * config/alpha/predicates.md (non_add_const_operand): New.
10779         (non_zero_const_operand): New.
10780         (input_operand): Use alpha_legitimate_constant_p after reload.
10781
10782 2005-01-19  Zdenek Dvorak  <dvorakz@suse.cz>
10783
10784         PR tree-optimization/19038
10785         * tree-ssa-loop-ivopts.c (allow_ip_end_pos_p): New function.
10786         (add_candidate): Add ivs with increment in latch only if
10787         allow_ip_end_pos_p is true.
10788         (determine_iv_cost): Use empty_block_p.
10789
10790 2005-01-19  Daniel Berlin  <dberlin@dberlin.org>
10791
10792         * cfganal.c (compute_dominance_frontiers_1): Replace with new algorithm
10793         (compute_dominance_frontiers): Ditto.
10794
10795 2005-01-19  Ralf Corsepius  <ralf.corsepius@rtems.org>
10796
10797         PR target/19529
10798         * config/sh/t-rtems: New.
10799         * config.gcc (sh-*-rtems*): Reflect having added config/sh/t-rtems.
10800
10801 2005-01-19  Zdenek Dvorak  <dvorakz@suse.cz>
10802
10803         * tree-ssa-ccp.c (maybe_fold_offset_to_component_ref): Always subtract
10804         the offset of the selected field.
10805
10806 2005-01-19  Kazu Hirata  <kazu@cs.umass.edu>
10807
10808         * tree-cfg.c (remove_forwarder_block): Fix the check to
10809         prevent a nonlocal label from appearing in the middle of a
10810         basic block.
10811
10812 2005-01-19  Hans-Peter Nilsson  <hp@axis.com>
10813
10814         PR rtl-optimization/19462
10815         * reorg.c (find_end_label): Create return insn only if
10816         current_function_epilogue_delay_list is empty.
10817
10818 2005-01-19  Paolo Bonzini  <bonzini@gnu.org>
10819
10820         * doc/passes.texi: Remove paragraph mentioning new-ra.
10821
10822 2005-01-19  Jakub Jelinek  <jakub@redhat.com>
10823
10824         PR rtl-optimization/15139
10825         * combine.c: Include params.h.
10826         (count_rtxs): New function.
10827         (record_value_for_reg): If replace_rtx would replace at least
10828         2 occurrences of REG in VALUE and TEM is really large, replace REG with
10829         (clobber (const_int 0)) instead of TEM.
10830         * params.def (PARAM_MAX_LAST_VALUE_RTL): New.
10831         * params.h (MAX_LAST_VALUE_RTL): New.
10832         * Makefile.in (combine.o): Depend on $(PARAMS_H).
10833         * doc/invoke.texi (--param max-last-value-rtl=N): Document.
10834
10835         PR c/17297
10836         * c-typeck.c (digest_init): Only call build_vector if all constructor
10837         elements are *_CST nodes.
10838         * gimplify.c (gimplify_init_constructor): Likewise.
10839
10840         PR middle-end/19164
10841         * c-typeck.c (digest_init): Only call build_vector if inside_init
10842         is a CONSTRUCTOR.
10843
10844 2005-01-18  Tobias Schl"uter  <tobias.schlueter@physik.uni-muenchen.de>
10845
10846         * toplev.c (init_asm_output): Remove dead #ifdef.
10847
10848 2005-01-18  Kaz Kojima  <kkojima@gcc.gnu.org>
10849
10850         * config/sh/linux.h (TARGET_C99_FUNCTIONS): Define.
10851
10852 2005-01-18  Eric Botcazou  <ebotcazou@libertysurf.fr>
10853
10854         * calls.c (expand_call): Check DECL_BUILT_IN_CLASS before
10855         accessing DECL_FUNCTION_CODE.
10856         * dojump.c (do_jump): Likewise.
10857         * gimplify.c (gimplify_call_expr): Likewise.
10858         * predict.c (expr_expected_value): Likewise.
10859         (strip_builtin_expect): Likewise.
10860         * tree-inline.c (estimate_num_insns_1): Likewise.
10861         * tree-ssa-loop-im.c (stmt_cost): Likewise
10862         * fold-const.c (fold): Test for BUILT_IN_NORMAL.
10863         (tree_expr_nonnegative_p): Likewise.
10864
10865 2005-01-18  Eric Botcazou  <ebotcazou@libertysurf.fr>
10866
10867         * config/sparc/sparc.c (load_pic_register): Emit the appropriate
10868         variant of the load_pcrel_sym pattern.
10869         * config/sparc/sparc.md (P macro): Move to the top.
10870         (load_pcrel_sym): Macroize using P.
10871         (save_register_window): Likewise.
10872
10873 2005-01-18  Aldy Hernandez  <aldyh@redhat.com>
10874
10875         * config/rs6000/rs6000.md ("sunordered"): Disable for e500.
10876         ("sordered"): Same.
10877
10878 2005-01-18  Andrew Pinski  <pinskia@physics.uc.edu>
10879
10880         PR C/19472
10881         * c-typeck.c (build_asm_expr): Strip nops off
10882         input memory operands.
10883
10884 2005-01-18  David Edelsohn  <edelsohn@gnu.org>
10885
10886         * config/rs6000/aix43.h (CPLUSPLUS_CPP_SPEC): Delete
10887         _XOPEN_SOURCE, _XOPEN_SOURCE_EXTENDED, _LARGE_FILE_API.
10888         * config/rs6000/aix51.h (CPLUSPLUS_CPP_SPEC): Same.
10889         * config/rs6000/aix52.h (CPLUSPLUS_CPP_SPEC): Same.
10890
10891 2005-01-18  Joel Sherrill <joel.sherrill@oarcorp.com>
10892
10893         PR target/19379
10894         * config/i386/i386.c (override_options): If the 80387 is disabled,
10895         then do not return FP values using FP registers.
10896
10897 2005-01-18  Kazu Hirata  <kazu@cs.umass.edu>
10898
10899         * basic-block.h, c-common.c, c-cppbuiltin.c, c-lang.c,
10900         c-tree.h, cfgbuild.c, cgraph.c, cgraph.h, collect2.c,
10901         combine.c, config.gcc, coverage.h, cse.c, cselib.c,
10902         defaults.h, df.c, dwarf2asm.c, dwarf2out.c, explow.c, expr.c,
10903         flow.c, fold-const.c, gcse.c, ggc-page.c, gimple-low.c,
10904         gimplify.c, ifcvt.c, langhooks-def.h, lcm.c, optabs.h,
10905         output.h, postreload-gcse.c, postreload.c, recog.c,
10906         resource.c, rtl.def, rtlanal.c, sched-deps.c, sched-rgn.c,
10907         targhooks.h, toplev.c, tree-data-ref.c, tree-eh.c,
10908         tree-flow.h, tree-loop-linear.c, tree-mudflap.h, tree-nrv.c,
10909         tree-optimize.c, tree-outof-ssa.c, tree-pass.h,
10910         tree-scalar-evolution.c, tree-ssa-copy.c, tree-ssa-dce.c,
10911         tree-ssa-dse.c, tree-ssa-loop-ivopts.c, tree-ssa-operands.c,
10912         tree-ssa-pre.c, tree-ssa.c, tree-vectorizer.c, tree.def,
10913         unwind-dw2-fde-darwin.c, var-tracking.c: Update copyright.
10914
10915         * config/darwin.c, config/darwin.h, config/freebsd-spec.h,
10916         config/alpha/alpha.c, config/arm/vfp.md,
10917         config/i386/emmintrin.h, config/i386/i386-modes.def,
10918         config/i386/i386-protos.h, config/i386/i386.h,
10919         config/i386/pmmintrin.h, config/i386/ppro.md,
10920         config/i386/predicates.md, config/i386/xmmintrin.h,
10921         config/i860/i860.c, config/ia64/ia64-modes.def,
10922         config/ia64/ia64-protos.h, config/ia64/ia64.h,
10923         config/ia64/ia64.md, config/ia64/itanium1.md,
10924         config/ia64/itanium2.md, config/ia64/predicates.md,
10925         config/iq2000/iq2000.h, config/mips/linux64.h,
10926         config/rs6000/aix41.h, config/rs6000/aix43.h,
10927         config/rs6000/aix52.h, config/rs6000/darwin-fallback.c,
10928         config/rs6000/rs6000.c, config/rs6000/rs6000.h,
10929         config/rs6000/spe.md, config/sh/sh.md, config/sparc/linux.h,
10930         config/sparc/linux64.h, config/sparc/litecoff.h,
10931         config/sparc/sp64-elf.h, config/sparc/sparc.c,
10932         config/sparc/sparc.h, config/sparc/sparc.md,
10933         config/sparc/sysv4-only.h: Update copyright.
10934
10935 2005-01-18  Richard Henderson  <rth@redhat.com>
10936
10937         PR target/19496
10938         * config/i386/i386.c (ix86_expand_fp_movcc): Fail for LTGT and UNEQ.
10939
10940 2005-01-18  Marc Espie  <espie@openbsd.org>
10941         * config/i386/openbsdelf.h: Typo.
10942
10943 2005-01-18  Richard Henderson  <rth@redhat.com>
10944
10945         * config/i386/i386.c (ix86_expand_fp_movcc): Remove TARGET_IEEE_FP
10946         special case for sse.
10947         * config/i386/predicates.md (sse_comparison_operator): Likewise.
10948
10949 2005-01-18  Dorit Naishlos  <dorit@il.ibm.com>
10950
10951         * tree-inline.c (estimate_num_insns_1): Added cases for
10952         ALIGN_INDIRECT_REF, MISALIGNED_INDIRECT_REF, and REALIGN_LOAD_EXPR.
10953
10954 2005-01-18  Eric Botcazou  <ebotcazou@libertysurf.fr>
10955
10956         PR rtl-optimization/19296
10957         * combine.c (simplify_comparison): Rewrite the condition under
10958         which a non-paradoxical SUBREG of a PLUS can be lifted when
10959         compared against a constant.
10960
10961 2005-01-18  Andi Kleen <ak@muc.de>
10962
10963         * c-typeck.c: (convert_for_assignment): Check warn_pointer_sign.
10964         * c.opt (-Wpointer-sign): Add.
10965         * doc/invoke.texi: (-Wpointer-sign): Add.
10966
10967 2005-01-18  Uros Bizjak  <uros@kss-loka.si>
10968
10969         * config/i386/i386.c (override_options): Revert 2004-11-24 change.
10970         * config/i386/i386.md (fmodsf3, dremsf3, *sinsf2, *cossf2, sincossf3,
10971         *tansf3_1, tansf2, atan2sf3_1, atan2sf3, atansf2, asinsf2, acossf2,
10972         logsf2, log10sf2, log2sf2, log1psf2, logbsf2, ilogbsf2, expsf2,
10973         exp10sf2, exp2sf2, expm1sf2, rintsf2, floorsf2, ceilsf2, btruncsf2,
10974         nearbyintsf2): Disable for TARGET_SSE_MATH.  Leave patterns enabled
10975         for TARGET_MIX_SSE_I387.
10976         (fmoddf3, dremdf3, *sindf2, *sinextendsfdf2, *cosdf2, *cosextendsfdf2,
10977         sincosdf3, *sincosextendsfdf3, *tandf3_1, tandf2, atan2df3_1,
10978         atan2df3, atandf2, asindf2, acosdf2, logdf2, log10df2, log2df2,
10979         log1pdf2, logbdf2, expdf2, exp10df2, exp2df2, expm1df2, rintdf2,
10980         floordf2, ceildf2, btruncdf2, nearbyintdf2): Disable for
10981         (TARGET_SSE2 && TARGET_SSE_MATH).  Leave patterns enabled for
10982         TARGET_MIX_SSE_I387.
10983         (atan2sf3, atan2df3, atan2xf3): Remove register constraints
10984         from expander.
10985
10986 2005-01-18  Uros Bizjak  <uros@kss-loka.si>
10987
10988         PR target/19424
10989         * config/i386/mmx.md (*movv2sf_internal_rex64, *movv2sf_internal):
10990         Add movaps alternative for xmm reg->reg move.
10991
10992 2005-01-17  Jeff Law  <law@redhat.com>
10993
10994         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Clear SSA_NAME_VALUE
10995         at the end of the main DOM loop rather than just before DOM exits.
10996
10997 2005-01-17  Diego Novillo  <dnovillo@redhat.com>
10998
10999         PR tree-optimization/19121
11000         * tree-ssa-alias.c (compute_flow_sensitive_aliasing): When
11001         adding aliases to a name tag, also add them to the pointer's
11002         type tag.
11003         * tree-ssa-copy.c (merge_alias_info): Do not merge flow
11004         sensitive alias info at all.  Only check that the two pointers
11005         have compatible pointed-to sets.
11006         * tree-ssa.c (verify_name_tags): Verify that the alias set of
11007         a pointer's type tag is a superset of the alias set of the
11008         pointer's name tag.
11009
11010 2005-01-17  James E Wilson  <wilson@specifixinc.com>
11011
11012         PR target/19357
11013         * config/ia64/ia64.md (movxf): Handle general register source.  Adjust
11014         comment to document why.
11015
11016 2005-01-17  Richard Henderson  <rth@redhat.com>
11017
11018         * config/i386/sse.md (smaxv4sf3_finite, sse_vmsmaxv4sf3_finite,
11019         sminv4sf3_finite, sse_vmsminv4sf3_finite, smaxv2df3_finite,
11020         sse2_vmsmaxv2df3_finite, sminv2df3_finite,
11021         sse2_vmsminv2df3_finite): New.
11022         (smaxv4sf3, sse_vmsmaxv4sf3, sminv4sf3, sse_vmsminv4sf3, smaxv2df3,
11023         sse2_vmsmaxv2df3, sminv2df3, sse2_vmsminv2df3): Remove commutative.
11024         Force op1 into register.
11025
11026 2005-01-17  Kelley Cook  <kcook@gcc.gnu.org>
11027
11028         * Makefile.in (STAGEMOVESTUFF): Stage all the stamp files to prevent
11029         bubblestrap from always rebuilding build directory.
11030
11031 2005-01-17  Ulrich Weigand  <uweigand@de.ibm.com>
11032
11033         * config/s390/s390.md ("*clc"): Remove incorrect '='.
11034         ("*cmpmem_short"): Likewise.
11035
11036 2005-01-17  Steven Bosscher  <stevenb@suse.de>
11037
11038         * basic-block.h: Document BB_* flags.
11039         * regrename.c (copyprop_hardreg_forward): Don't use BB_VISITED,
11040         use an sbitmap instead.
11041         * sched-rgn.c (compute_trg_info): Likewise.
11042
11043 2005-01-17  Richard Sandiford  <rsandifo@redhat.com>
11044
11045         * config.gcc (mips64*-*-linux*): Set the default abi to n32.  Remove
11046         redundant target_cpu_default and extra_parts lines.  Use the default
11047         "from-abi" ISA.
11048         * config/mips/linux64.h (DRIVER_DEFAULT_ABI_SELF_SPEC): Delete.
11049         (SUBTARGET_EXTRA_SPECS): Delete.
11050         (DRIVER_SELF_SPECS): Remove architecture lines.  Set the ABI directly.
11051         (SUBTARGET_ASM_SPEC): Remove -mabi=n32 and -mabi=64 mappings.
11052         * config/mips/t-linux64 (MULTILIB_DIRNAMES): Use "32" for -mabi=32
11053         and "n32" for -mabi=n32.
11054
11055 2005-01-17  Ian Lance Taylor  <ian@airs.com>
11056
11057         PR c/5675
11058         * c-typeck.c (build_c_cast): Revert patch of 2003-02-16: don't
11059         fold constant variables into initial values.
11060
11061 2005-01-17  Kazu Hirata  <kazu@cs.umass.edu>
11062
11063         * tree-cfg.c (tree_can_merge_blocks_p): Reorder two checks.
11064
11065         * tree-cfg.c (tree_forwarder_block_p): Speed up by walking
11066         through the statements backward.
11067
11068 2005-01-17  Ian Lance Taylor  <ian@airs.com>
11069
11070         PR middle-end/13127:
11071         * tree-inline.c (expand_call_inline): Set TREE_NO_WARNING on
11072         a variable set to the return value of the inlined function.
11073
11074 2005-01-17  Mark Dettinger  <dettinge@de.ibm.com>
11075
11076         * rtlanal.c (rtx_cost): Assign cost of 0 to a SUBREG
11077         when modes are tieable.
11078
11079 2005-01-17  Ranjit Mathew  <rmathew@hotmail.com>
11080
11081         * gthr-posix.h (__gthread_active_p): Use pthread_cancel instead
11082         of pthread_create to find out if threads are enabled.
11083         * gthr-posix95.h (__gthread_active_p): Likewise.
11084
11085 2005-01-17  Paolo Bonzini  <bonzini@gnu.org>
11086
11087         * common.opt (-fnew-ra): Remove.
11088         * ra*.*: Remove.
11089         * toplev.h (flag_new_regalloc): Remove.
11090         * Makefile.in (ra*.*): Don't mention.
11091         * passes.c (rest_of_handle_new_regalloc): Remove.
11092         (rest_of_handle_combine, rest_of_compilation): Always consider
11093         flag_new_regalloc as false.
11094         * doc/invoke.texi: Don't document -fnew-ra.
11095
11096 2005-01-17  Paolo Bonzini <bonzini@gnu.org>
11097
11098         * bb-reorder.c (fix_edges_for_rarely_executed_code): Remove
11099         last parameter to reg_scan.
11100         * loop.c (loop_optimize): Likewise.
11101         * passes.c (rest_of_handle_tracer, rest_of_handle_if_conversion,
11102         rest_of_handle_web, rest_of_handle_cfg, rest_of_handle_jump_bypass,
11103         rest_of_handle_life, rest_of_handle_cse, rest_of_handle_cse2,
11104         rest_of_handle_gcse, rest_of_handle_loop_optimize,
11105         rest_of_handle_loop2, rest_of_handle_jump2): Likewise.
11106         * regclass.c (reg_scan): Likewise, for the declaration.
11107         * rtl.h (reg_scan): Likewise, for the prototype.
11108
11109 2005-01-17  Kazu Hirata  <kazu@cs.umass.edu>
11110
11111         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Don't call
11112         mark_dfs_back_edges.
11113
11114 2005-01-16  Daniel Berlin  <dberlin@dberlin.org>
11115
11116         * tree-ssa-pre.c (add_to_sets): s1 may be NULL.
11117         (compute_avail): Uses don't go in tmp_gen.
11118
11119 2005-01-16  Steven Bosscher  <stevenb@suse.de>
11120
11121         * ggc-page.c (ggc_alloc_stat): Use __builtin_ctzl instead of a
11122         loop to look for a free slot in a page entry.
11123
11124 2005-01-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
11125
11126         PR target/16304
11127         * defaults.h (TARGET_DEFERRED_OUTPUT_DEFS): Provide default.
11128         * toplev.c (compile_file): Call process_pending_assemble_output_defs
11129         just before targetm.asm_out.file_end.
11130         * tree.h (process_pending_assemble_output_defs): Declare.
11131         * varasm.c (assemble_output_def, process_pending_assemble_output_defs):
11132         New functions.
11133         (assemble_alias): Defer generation of assembly code for defines when
11134         TARGET_DEFERRED_OUTPUT_DEFS is true.
11135         * config/rs6000/aix41.h (TARGET_DEFERRED_OUTPUT_DEFS): Define.
11136         * config/rs6000/aix43.h (TARGET_DEFERRED_OUTPUT_DEFS): Define.
11137         * doc/tm.texi (TARGET_DEFERRED_OUTPUT_DEFS): document.
11138
11139 2005-01-15  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
11140
11141         PR target/19336
11142         * pa.c (pa_scalar_mode_supported_p): New function.
11143         (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
11144         * pa.h (MIN_UNITS_PER_WORD): Add comment.
11145
11146         * pa-protos.h (prefetch_operand): Delete.
11147         (prefetch_cc_operand, prefetch_nocc_operand): New declations.
11148         * pa.c (prefetch_operand): Delete.
11149         (prefetch_cc_operand, prefetch_nocc_operand): New functions.
11150         * pa.h (EXTRA_CONSTRAINT): Add `W' constraint.
11151         (PREDICATE_CODES): Delete prefetch_operand.  Add prefetch_cc_operand
11152         and prefetch_nocc_operand.
11153         * pa.md (prefetch): Rework to avoid reload problems handling short
11154         displacements when a cache control completer needs to be provided.
11155         (prefetch_32, prefetch_64): Delete.
11156         (prefetch_cc, prefetch_nocc): New patterns.
11157
11158 2005-01-15  David Edelsohn  <edelsohn@gnu.org>
11159
11160         * config/rs6000/aix52.h (CPLUSPLUS_CPP_SPEC): Revert previous change.
11161
11162 2005-01-15  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
11163
11164         PR ada/19388
11165         * pa.c (pa_asm_output_aligned_common): Warn if specified alignment
11166         exceeds maximum alignment for global common data.
11167         * pa64-hpux.h (MAX_OFILE_ALIGNMENT): Define to 32768.
11168         * som.h (MAX_OFILE_ALIGNMENT): Likewise.
11169
11170 2004-01-15  Roger Sayle  <roger@eyesopen.com>
11171
11172         * tree-ssa-dom.c (extract_range_from_cond): Correct condition.
11173
11174 2004-01-15  Roger Sayle  <roger@eyesopen.com>
11175
11176         * harg-reg-set.h (reg_class_names): Prototype global array.
11177         * regclass.c (reg_class_names): Declare here and initialize to
11178         REG_CLASS_NAMES.
11179         (dump_regclass): Remove local declaration of reg_class_names.
11180         (regclass): Likewise.
11181         * cfg.c (dump_flow_info): Likewise.
11182         * ra-debug.c (reg_class_names): Likewise.
11183         * regrename.c (reg_class_names): Likewise.
11184         * reload.c (reg_class_names): Likewise.
11185         * reload1.c (spill_failure): Likewise.
11186         * config/m68hc11/m68hc11.c (reg_class_names): Likewise.
11187
11188 2005-01-15  Ulrich Weigand  <uweigand@de.ibm.com>
11189
11190         * config/s390/s390.md ("reload_outti"): Remove predicate for
11191         output operand.  Abort if operand is not a MEM.
11192         ("reload_outdi", "reload_outdf"): Likewise.
11193
11194 2005-01-15  Marc Espie  <espie@openbsd.org>
11195
11196         * config.gcc (*-*-openbsd*): Set HAS_LIBC_R for OpenBSD <= 3.2.
11197         (i[34567]86-*-openbsd*): Switch to ELF for OpenBSD >= 3.4.
11198         * config/openbsd.h:  Fix C++ includes for native configurations.
11199         Add proper OS_CPP_BUILTINS.  Fix libspec for recent OpenBSD.
11200         Add trampoline support.
11201         * config/i386/openbsdelf.h: New.
11202
11203 2005-01-15  Marc Espie  <espie@openbsd.org>
11204
11205         * collect2.c (main): Explicitly parse -dynamic-linker option.
11206
11207 2005-01-15  Jakub Jelinek  <jakub@redhat.com>
11208
11209         PR tree-optimization/19060
11210         * tree-ssa-dom.c (extract_range_from_cond) <case LT_EXPR, GT_EXPR>:
11211         Return 0 if op1 <= TYPE_MIN_VALUE () resp. op1 >= TYPE_MAX_VALUE ().
11212         (simplify_cond_and_lookup_avail_expr): Add assert for dummy == 0
11213         and handle extract_range_from_cond returning false.
11214         * fold-const.c (fold): Optimize comparisons with min/max even for
11215         width > HOST_BITS_PER_WIDE_INT.
11216
11217 2005-01-15  Ralf Corsepius  <ralf.corsepius@rtems.org>
11218
11219         * config/mips/rtems.h (MIPS_DEFAULT_GVALUE): Set to 0.
11220         * config/mips/t-rtems (MULTILIBS_DIRNAMES,MULTILIB_OPTIONS):
11221         Remove little endian multilib variants.
11222         Add mips32 multilib variant.
11223
11224 2005-01-15  Kazu Hirata  <kazu@cs.umass.edu>
11225
11226         * explow.c (copy_all_reg, stabilize): Remove.
11227         * expr.h: Remove the corresponding prototypes.
11228
11229         * rtlanal.c (regs_set_between_p): Remove.
11230         * rtl.h: Remove the corresponding prototype.
11231
11232 2005-01-14  David Edelsohn  <edelsohn@gnu.org>
11233
11234         * config/rs6000/rs6000.c (rs6k_nonimmediate_operand): Rename
11235         to rs6000_nonimmediate_operand.
11236         * config/rs6000/rs6000.h (PREDICATE_CODES): Rename
11237         rs6k_nonimmediate_operand to rs6000_nonimmediate_operand.
11238         * config/rs6000/rs6000.md (movsi_internal1): Rename predicate to
11239         rs6000_nonimmediate_operand.
11240         * config/rs6000/spe.md (movdf_e500_double): Rename predicate to
11241         rs6000_nonimmediate_operand.
11242
11243 2005-01-14  Andrew Pinski  <pinskia@physics.uc.edu>
11244
11245         * tree-ssa-alias.c (pass_may_alias): Add TODO_verify_stmts.
11246
11247 2005-01-14  Aldy Hernandez  <aldyh@redhat.com>
11248
11249         * config/rs6000/rs6000.h (CLASS_MAX_NREGS): DF goes in 1 register
11250         on e500v2.
11251         (CANNOT_CHANGE_MODE_CLASS): Restrict DI mode changes on e500v2.
11252         (PREDICATE_CODES): Add rs6k_nonimmediate_operand.
11253
11254         * config/rs6000/rs6000.c (invalid_e500_subreg): New.
11255         (rs6k_nonimmediate_operand): New.
11256         (rs6000_legitimate_offset_address_p): Handle DI modes on e500v2
11257         correctly.
11258         (legitimate_lo_sum_address_p): Same.
11259         (rs6000_legitimize_address): Same.
11260         (rs6000_legitimize_reload_address): Same.
11261         (rs6000_legitimate_address): Same.
11262         (spe_build_register_parallel): Pass DF and DC modes in a DI
11263         register.
11264
11265         * config/rs6000/rs6000.md ("*movsi_internal1"): Change predicate
11266         to rs6k_nonimmediate_operand.
11267
11268         * config/rs6000/spe.md ("*frob_df_di"): New.
11269         ("*frob_di_df"): New.
11270         ("*frob_di_df_2"): New.
11271         ("*mov_sidf_e500_subreg0"): New.
11272         ("*mov_sidf_e500_subreg4"): New.
11273         ("*movdf_e500_double"): Change predicate to
11274         rs6k_nonimmediate_operand.
11275
11276 2005-01-14  Aldy Hernandez  <aldyh@redhat.com>
11277
11278         * postreload.c (move2add_note_store): Only call
11279         trunc_int_for_mode on scalar integers.
11280
11281 2005-01-14  Steven Bosscher  <stevenb@suse.de>
11282
11283         * tree-ssa-dce.c (visited_control_parents): New sbitmap to
11284         replace BB_VISITED uses.
11285         (find_obviously_necessary_stmts): Don't clear BB_VISITED.
11286         (propagate_necessity): Check the bitmap instead of BB_VISITED.
11287         (tree_dce_done): Free visited_control_parents.
11288         (perform_tree_ssa_dce): Allocate and clear it.
11289         * tree-ssa-pre.c (compute_antic_aux): Make non-recursive.
11290         (compute_antic): Iterate from here using a DFS.  Use an sbitmap
11291         instead of BB_VISITED.
11292
11293 2005-01-14  Kazu Hirata  <kazu@cs.umass.edu>
11294
11295         * c-tree.h, coverage.h, langhooks-def.h, optabs.h, output.h,
11296         rtl.h, targhooks.h, tree-flow.h, tree-mudflap.h, tree.h:
11297         Remove unused prototypes.
11298
11299 2005-01-14  Aldy Hernandez  <aldyh@redhat.com>
11300
11301         * config/rs6000/rs6000.c (rs6000_stack_info): Fix caching of SPE
11302         64-bit register usage.
11303         (spe_func_has_64bit_regs_p): Add FIXME note.
11304
11305 2005-01-14  Aldy Hernandez  <aldyh@redhat.com>
11306
11307         * config/rs6000/rs6000.c (rs6000_generate_compare): Replace
11308         flag_finite_math_only with flag_unsafe_math_optimizations.
11309
11310 2005-01-14  J. D. Johnston  <jjohnst@us.ibm.com>
11311
11312         * config/s390/tpf-unwind.h (s390_fallback_frame_state): Correct
11313         end-of-stack check.
11314         (__tpf_eh_return): Copy TPF private stack area from the module
11315         boundary stack frame.  Add check for when module addresses are
11316         equal, but no stub address is found.
11317
11318 2005-01-14  Richard Earnshaw  <rearnsha@arm.com>
11319
11320         PR target/7525
11321         * arm.h (struct machine_function): Add call_via field.
11322         (thumb_call_via_label): Declare.
11323         * arm.c (thumb_call_via_label): New variable.
11324         (thumb_call_reg_needed): New variable.
11325         (arm_output_function_epilogue): For Thumb code, output any per-function
11326         call-indirect trampolines.
11327         (thumb_call_via_reg): New function.
11328         (arm_file_end): New function.
11329         (TARGET_ASM_FILE_END): Call arm_file_end.
11330         (aof_file_end): Likewise.
11331         * arm-protos.h (thumb_call_via_reg): Declare.
11332         * arm.md (call_reg_thumb, call_value_reg_thumb): Call
11333         thumb_call_via_reg in normal case.
11334
11335 2005-01-14  Jakub Jelinek  <jakub@redhat.com>
11336
11337         PR middle-end/19084
11338         PR rtl-optimization/19348
11339         * recog.c (peephole2_optimize): Do global life update if some peephole
11340         decides it doesn't need at least one of its inputs and that change
11341         influences liveness at the start of the basic block.
11342
11343         * basic-block.h (EXECUTE_IF_AND_COMPL_IN_REG_SET): Needs 2 REGSET
11344         arguments instead of 1.
11345
11346 2005-01-14  Eric Botcazou  <ebotcazou@libertysurf.fr>
11347
11348         PR middle-end/18820
11349         * varasm.c (initializer_constant_valid_p) <ADDR_EXPR>: Return
11350         zero for nested functions needing a static chain or functions
11351         with a non-constant address.
11352
11353 2005-01-13  Roger Sayle  <roger@eyesopen.com>
11354
11355         * simplify-rtx.c (simplify_binary_operation) <AND>: Optimize
11356         (and (sign_extend X) C) into (zero_extend (and X C)).
11357
11358 2005-01-13  David O'Brien  <obrien@FreeBSD.org>
11359
11360         * config/freebsd-spec.h:  Make KSE pthread lib logic the default.
11361
11362 2005-01-13  Richard Henderson  <rth@redhat.com>
11363
11364         PR target/19009
11365         PR target/19250
11366         PR target/19252
11367         * config/i386/i386.md (cmpdf, cmpsf, bunordered, bordered, buneq,
11368         bunge, bungt, bunle, bunlt, bltgt): Enable for TARGET_SSE_MATH,
11369         not just TARGET_SSE.
11370         (cmpfp_i_387): Rename from cmpfp_i.  Move after sse patterns.
11371         (cmpfp_i_mixed): Rename from cmpfp_i_sse; use for TARGET_MIX_SSE_I387.
11372         (cmpfp_i_sse): Rename from cmpfp_i_sse_only; use for TARGET_SSE_MATH.
11373         (cmpfp_iu_mixed, cmpfp_iu_sse, cmpfp_iu_387): Similarly.
11374         (fp_jcc_1_mixed, fp_jcc_1_sse, fp_jcc_1_387): Similarly.
11375         (fp_jcc_2_mixed, fp_jcc_2_sse, fp_jcc_2_387): Similarly.
11376         (fp_jcc_3_387, fp_jcc_4_387, fp_jcc_5_387, fp_jcc_6_387,
11377         fp_jcc_7_387, fp_jcc_8_387): Rename from fp_jcc_N.
11378         (movdicc_c_rex64): Rename with '*'.
11379         (movsfcc, movdfcc): Add checks for 387 and sse math to condition.
11380         (movsfcc_1_sse_min, movsfcc_1_sse_max, movsfcc_1_sse): New.
11381         (movsfcc_1_387): Rename from movsfcc_1.
11382         (movdfcc_1_sse_min, movdfcc_1_sse_max, movdfcc_1_sse): New.
11383         (movdfcc_1, movdfcc_1_rex64): Add check for 387.
11384         (sminsf3, smaxsf3, smindf3, smaxdf3): New.
11385         (minsf3, minsf, minsf_nonieee, minsf_sse, mindf3, mindf,
11386         mindf_nonieee, mindf_sse, maxsf3, maxsf, maxsf_nonieee, maxsf_sse,
11387         maxdf3, maxdf, maxdf_nonieee, maxdf_sse, sse_movsfcc, sse_movsfcc_eq,
11388         sse_movdfcc, sse_movdfcc_eq, sse_movsfcc_const0_1,
11389         sse_movsfcc_const0_2, sse_movsfcc_const0_3, sse_movsfcc_const0_4,
11390         sse_movdfcc_const0_1, sse_movdfcc_const0_2, sse_movdfcc_const0_3,
11391         sse_movdfcc_const0_4): Remove.
11392         * config/i386/i386.c (ix86_expand_fp_movcc): For TARGET_SSE_MATH,
11393         recognize min/max early.  Update for changed sse cmove patterns.
11394         (ix86_split_sse_movcc): New.
11395         * config/i386/i386-protos.h: Update.
11396
11397 2005-01-13  Steven Bosscher  <stevenb@suse.de>
11398
11399         * tree-ssa-dse.c (fix_phi_uses): Use SSA operand iterators.
11400         (fix_stmt_v_may_defs): Likewise.
11401
11402 2005-01-13  Richard Henderson  <rth@redhat.com>
11403
11404         * config/i386/i386.c (ix86_expand_fp_absneg_operator): Use elt_mode
11405         for converting the mask.
11406
11407 2005-01-13  David Edelsohn  <edelsohn@gnu.org>
11408
11409         * config/rs6000/aix52.h (CPLUSPLUS_CPP_SPEC): Change _XOPEN_SOURCE
11410         definition to 600.
11411
11412 2005-01-13  Richard Henderson  <rth@redhat.com>
11413
11414         * config/i386/i386.c (IX86_BUILTIN_MOVQ, IX86_BUILTIN_LOADD,
11415         IX86_BUILTIN_STORED, IX86_BUILTIN_MOVQ2DQ,
11416         IX86_BUILTIN_MOVDQ2Q): Remove.
11417         (IX86_BUILTIN_VEC_EXT_V4SI): New.
11418         (ix86_init_mmx_sse_builtins, ix86_expand_builtin): Update to match.
11419         (ix86_expand_vector_extract): For V4S[FI], extract element 0 after
11420         shuffling.
11421         * config/i386/sse.md (sse_concatv2sf): Accept zero operand 2.
11422         (sse2_pextrw): Fix immediate constraint.
11423         (sse2_loadq, sse2_loadq_rex64): Remove.
11424         * config/i386/emmintrin.h (_mm_cvtsi128_si32, _mm_cvtsi128_si64x):
11425         Use __builtin_ia32_vec_ext_<size>.
11426         (_mm_cvtsi32_si128, _mm_cvtsi64x_si128): Use _mm_set_epi<size>.
11427
11428 2005-01-13  Aldy Hernandez  <aldyh@redhat.com>
11429
11430         * function.c (assign_parm_setup_block): Look inside original
11431         entry_parm when inspecting PARALLEL.
11432
11433 2005-01-13  Ralf Corsepius  <ralf.corsepius@rtems.org>
11434             Joel Sherrill  <joel@oarcorp.com>
11435
11436         PR target/19399
11437         * gthr-rtems.h (__gthread_recursive_mutex_t): New type.
11438         (__GTHREAD_RECURSIVE_MUTEX_INIT_FUNCTION): Define to
11439         rtems_gxx_recursive_mutex_init.
11440         (__gthread_recursive_mutex_lock): New function.
11441         (__gthread_recursive_mutex_trylock): Likewise.
11442         (__gthread_recursive_mutex_unlock): Likewise.
11443
11444 2005-01-13  Ralf Corsepius <ralf.corsepius@rtems.org>
11445
11446         * config/i386/t-rtems-i386: Multilib on -mtune instead of -mcpu.
11447
11448 2005-01-13  Jan Beulich  <jbeulich@novell.com>
11449
11450         * config/ia64/ia64.md (ashlti3, ashlti3_internal): New.
11451         (ashrti3_internal): Indicate output is early clobber. Generate result
11452         into output rather than first input. Use move for low word of output
11453         if shift count is exactly 64.
11454         (lshrti3_internal): Likewise.
11455
11456 2005-01-13  Hans-Peter Nilsson  <hp@bitrange.com>
11457
11458         PR target/18329
11459         PR target/18330
11460         * reload1.c (delete_output_reload): Don't delete an output reload
11461         if the pseudo lives longer than a single basic block.  Adjust and
11462         improve wording of comment.
11463
11464 2005-01-12  Andrew Pinski  <pinskia@physics.uc.edu>
11465
11466         PR target/19334
11467         * config/darwin.c (machopic_select_section): Use TYPE_SIZE_UNIT instead
11468         of TYPE_SIZE where we mean the number of bytes.
11469
11470 2005-01-12  Aldy Hernandez  <aldyh@redhat.com>
11471
11472         * function.c (assign_parm_setup_block): Relax condition on
11473         multi-register optimization.
11474
11475 2005-01-12  Nick Clifton  <nickc@redhat.com>
11476
11477         * config/sh/sh.md (udivsi3_sh2a, divsi3_sh2a): Give these patterns
11478         an "in_delay_slot" attribute of "no" to prevent them being used in
11479         delay slots.  This is forbidden because they might generate
11480         exceptions.
11481
11482 2005-01-12  Alan Modra  <amodra@bigpond.net.au>
11483
11484         PR target/19389
11485         * config/rs6000/rs6000.md (movtf_internal): Replace r->o and m->r
11486         with r->Y and Y->r.
11487
11488 2005-01-12  Nick Clifton  <nickc@redhat.com>
11489
11490         * config/iq2000/iq2000.h (ASM_SPEC): Undefine (to stop -Qy being
11491         passed on to GAS) but do not define, as GAS no longer supports or
11492         needs the -m2000 option.
11493
11494 2005-01-11  Roger Sayle  <roger@eyesopen.com>
11495
11496         * builtins.c (fold_builtin_fabs): Convert argument to the appropriate
11497         type as args of unprototyped builtins aren't automatically promoted.
11498         (fold_builtin_abs): Likewise.
11499
11500 2005-01-11  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
11501
11502         * Makefile.in: Set a `build-warn' variable.
11503
11504 2005-01-11  Zdenek Dvorak  <dvorakz@suse.cz>
11505
11506         PR tree-optimization/17949
11507         * tree-ssa-loop-ivopts.c (may_be_unaligned_p): New function.
11508         (find_interesting_uses_address): Use it.
11509
11510 2005-01-11  Aldy Hernandez  <aldyh@redhat.com>
11511
11512         * regrename.c (kill_value): Handle subreg's that won't simplify.
11513
11514 2005-01-11  Richard Henderson  <rth@redhat.com>
11515
11516         PR target/13366
11517         * config/i386/i386.h (enum ix86_builtins): Move ...
11518         * config/i386/i386.c: ... here.
11519         (IX86_BUILTIN_MOVDDUP, IX86_BUILTIN_MMX_ZERO, IX86_BUILTIN_PEXTRW,
11520         IX86_BUILTIN_PINSRW, IX86_BUILTIN_LOADAPS, IX86_BUILTIN_LOADSS,
11521         IX86_BUILTIN_STORESS, IX86_BUILTIN_SSE_ZERO, IX86_BUILTIN_PEXTRW128,
11522         IX86_BUILTIN_PINSRW128, IX86_BUILTIN_LOADAPD, IX86_BUILTIN_LOADSD,
11523         IX86_BUILTIN_STOREAPD, IX86_BUILTIN_STORESD,  IX86_BUILTIN_STOREHPD,
11524         IX86_BUILTIN_STORELPD, IX86_BUILTIN_SETPD1, IX86_BUILTIN_SETPD,
11525         IX86_BUILTIN_CLRPD, IX86_BUILTIN_LOADPD1, IX86_BUILTIN_LOADRPD,
11526         IX86_BUILTIN_STOREPD1, IX86_BUILTIN_STORERPD, IX86_BUILTIN_LOADDQA,
11527         IX86_BUILTIN_STOREDQA, IX86_BUILTIN_CLRTI,
11528         IX86_BUILTIN_LOADDDUP): Remove.
11529         (IX86_BUILTIN_VEC_INIT_V2SI, IX86_BUILTIN_VEC_INIT_V4HI,
11530         IX86_BUILTIN_VEC_INIT_V8QI, IX86_BUILTIN_VEC_EXT_V2DF,
11531         IX86_BUILTIN_VEC_EXT_V2DI, IX86_BUILTIN_VEC_EXT_V4SF,
11532         IX86_BUILTIN_VEC_EXT_V8HI, IX86_BUILTIN_VEC_EXT_V4HI,
11533         IX86_BUILTIN_VEC_SET_V8HI, IX86_BUILTIN_VEC_SET_V4HI): New.
11534         (ix86_init_builtins): Make static.
11535         (ix86_init_mmx_sse_builtins): Update for changed builtins.
11536         (ix86_expand_binop_builtin): Only use ix86_fixup_binary_operands
11537         if all the modes match.  Otherwise, fake it.
11538         (get_element_number, ix86_expand_vec_init_builtin,
11539         ix86_expand_vec_ext_builtin, ix86_expand_vec_set_builtin): New.
11540         (ix86_expand_builtin): Make static.  Update for changed builtins.
11541         (ix86_expand_vector_move_misalign): Use sse2_loadlpd with zero
11542         operand instead of sse2_loadsd.  Cast sse1 fallback to V4SFmode.
11543         (ix86_expand_vector_init_duplicate): New.
11544         (ix86_expand_vector_init_low_nonzero): New.
11545         (ix86_expand_vector_init_one_var, ix86_expand_vector_init_general):
11546         Split out from ix86_expand_vector_init; handle integer modes.
11547         (ix86_expand_vector_init): Use them.
11548         (ix86_expand_vector_set, ix86_expand_vector_extract): New.
11549         * config/i386/i386-protos.h: Update.
11550         * config/i386/predicates.md (reg_or_0_operand): New.
11551         * config/i386/mmx.md (mov<MMXMODEI>_internal): Add 'r' variants.
11552         (movv2sf_internal): Likewise.  And a splitter to match them all.
11553         (vec_dupv2sf, mmx_concatv2sf, vec_setv2sf, vec_extractv2sf,
11554         vec_initv2sf, vec_dupv4hi, vec_dupv2si, mmx_concatv2si, vec_setv2si,
11555         vec_extractv2si, vec_initv2si, vec_setv4hi, vec_extractv4hi,
11556         vec_initv4hi, vec_setv8qi, vec_extractv8qi, vec_initv8qi): New.
11557         (mmx_pinsrw): Fix operand ordering.
11558         * config/i386/sse.md (movv4sf splitter): Use direct pattern,
11559         rather than sse_loadss expander.
11560         (movv2df splitter): Similarly.
11561         (sse_loadss, sse_loadlss): Remove.
11562         (vec_dupv4sf, sse_concatv2sf, sse_concatv4sf, vec_extractv4sf_0): New.
11563         (vec_setv4sf, vec_setv2df): Use ix86_expand_vector_set.
11564         (vec_extractv4sf, vec_extractv2df): Use ix86_expand_vector_extract.
11565         (sse3_movddup): Rename with '*'.
11566         (sse3_movddup splitter): Use gen_rtx_REG instead of gen_lowpart.
11567         (sse2_loadsd): Remove.
11568         (vec_dupv2df_sse3): Rename from sse3_loadddup.
11569         (vec_dupv2df, vec_concatv2df_sse3, vec_concatv2df): New.
11570         (sse2_pinsrw): Fix argument ordering.
11571         (sse2_loadld, sse2_loadq): Add sse1 alternatives.
11572         (sse2_stored): Remove 'r' destination.
11573         (vec_dupv4si, vec_dupv2di, sse2_concatv2si, sse1_concatv2si,
11574         vec_concatv4si_1, vec_concatv2di, vec_setv2di, vec_extractv2di,
11575         vec_initv2di, vec_setv4si, vec_extractv4si, vec_initv4si,
11576         vec_setv8hi, vec_extractv8hi, vec_initv8hi, vec_setv16qi,
11577         vec_extractv16qi, vec_initv16qi): New.
11578
11579         * config/i386/emmintrin.h (__m128i, __m128d): Use typedef, not define.
11580         (_mm_set_sd, _mm_set1_pd, _mm_setzero_pd, _mm_set_epi64x,
11581         _mm_set_epi32, _mm_set_epi16, _mm_set_epi8, _mm_setzero_si128): Use
11582         constructor form.
11583         (_mm_load_pd, _mm_store_pd): Use plain dereference.
11584         (_mm_load_si128, _mm_store_si128): Likewise.
11585         (_mm_load1_pd): Use _mm_set1_pd.
11586         (_mm_load_sd): Use _mm_set_sd.
11587         (_mm_store_sd, _mm_storeh_pd): Use __builtin_ia32_vec_ext_v2df.
11588         (_mm_store1_pd, _mm_storer_pd): Use _mm_store_pd.
11589         (_mm_set_epi64): Use _mm_set_epi64x.
11590         (_mm_set1_epi64x, _mm_set1_epi64, _mm_set1_epi32, _mm_set_epi16,
11591         _mm_set1_epi8, _mm_setr_epi64, _mm_setr_epi32, _mm_setr_epi16,
11592         _mm_setr_epi8): Use _mm_set_foo form.
11593         (_mm_loadl_epi64, _mm_movpi64_epi64, _mm_move_epi64): Use _mm_set_epi64.
11594         (_mm_storel_epi64, _mm_movepi64_pi64): Use __builtin_ia32_vec_ext_v2di.
11595         (_mm_extract_epi16): Use __builtin_ia32_vec_ext_v8hi.
11596         (_mm_insert_epi16): Use __builtin_ia32_vec_set_v8hi.
11597         * config/i386/mmintrin.h (_mm_setzero_si64): Use plain cast.
11598         (_mm_set_pi32): Use __builtin_ia32_vec_init_v2si.
11599         (_mm_set_pi16): Use __builtin_ia32_vec_init_v4hi.
11600         (_mm_set_pi8): Use __builtin_ia32_vec_init_v8qi.
11601         (_mm_set1_pi16, _mm_set1_pi8): Use _mm_set_piN variant.
11602         * config/i386/pmmintrin.h (_mm_loaddup_pd): Use _mm_load1_pd.
11603         (_mm_movedup_pd): Use _mm_shuffle_pd.
11604         * config/i386/xmmintrin.h (_mm_setzero_ps, _mm_set_ss,
11605         _mm_set1_ps, _mm_set_ps, _mm_setr_ps): Use constructor form.
11606         (_mm_cvtpi16_ps, _mm_cvtpu16_ps, _mm_cvtpi8_ps, _mm_cvtpu8_ps,
11607         _mm_cvtps_pi8, _mm_cvtpi32x2_ps): Avoid __builtin_ia32_mmx_zero;
11608         Use _mm_setzero_ps.
11609         (_mm_load_ss, _mm_load1_ps): Use _mm_set* form.
11610         (_mm_load_ps, _mm_loadr_ps): Use raw dereference.
11611         (_mm_store_ss): Use __builtin_ia32_vec_ext_v4sf.
11612         (_mm_store_ps): Use raw dereference.
11613         (_mm_store1_ps): Use _mm_storeu_ps.
11614         (_mm_storer_ps): Use _mm_store_ps.
11615         (_mm_extract_pi16): Use __builtin_ia32_vec_ext_v4hi.
11616         (_mm_insert_pi16): Use __builtin_ia32_vec_set_v4hi.
11617
11618 2005-01-11  Stan Shebs  <shebs@apple.com>
11619
11620         * config/rs6000/rs6000.c (machopic_output_stub): Issue
11621         ldu instead of lwzu if 64-bit -mdynamic-no-pic.
11622
11623 2005-01-11  Andrew Pinski  <pinskia@physics.uc.edu>
11624
11625         PR target/18761
11626         * config/rs6000/rs6000.c (rs6000_special_round_type_align):
11627         Skip all DECLs except for FIELD_DECLs.
11628
11629 2005-01-11  Andreas Krebbel  <krebbel1@de.ibm.com>
11630
11631         * config/s390/s390.c (override_options): Return error if
11632         -mbackchain, -mpacked-stack and -mhard-float are used together.
11633         (s390_va_start): Remove the backchain && packed-stack special case.
11634         (s390_gimplify_va_arg): Likewise.
11635         * doc/invoke.texi: Remove the ABI incompatibility note.
11636
11637 2005-01-11  Andreas Krebbel  <krebbel1@de.ibm.com>
11638
11639         * config/s390/s390.c (struct s390_frame_layout): Remove
11640         save_backchain_p.
11641         (s390_frame_info, s390_emit_prologue): Replace occurrences of
11642         save_backchain_p with TARGET_BACKCHAIN.
11643
11644 2005-01-11  Alan Modra  <amodra@bigpond.net.au>
11645
11646         PR target/18916
11647         * builtins.c (std_gimplify_va_arg_expr): Adjust alignment of *ap.
11648         * expr.h (struct locate_and_pad_arg_data): Add "boundary".
11649         * function.c (locate_and_pad_parm): Set new field.
11650         (assign_parm_find_stack_rtl): Use it instead of FUNCTION_ARG_BOUNDARY.
11651         Tweak where_pad test to include "none".  Always set mem align for
11652         stack_parm.
11653         (assign_parm_adjust_stack_rtl): Discard stack_parm if alignment
11654         not sufficient for type.
11655         (assign_parm_setup_block): If stack_parm is zero on entry, always
11656         make a new stack local.  Block move old stack parm if necessary
11657         to new aligned stack local.
11658         (assign_parm_setup_stack): Use a block move to handle
11659         potentially misaligned entry_parm.
11660         (assign_parms_unsplit_complex): Specify required alignment when
11661         creating stack local.
11662         * calls.c (compute_argument_addresses): Override alignment of stack
11663         arg calculated from its type with the alignment given by
11664         FUNCTION_ARG_BOUNDARY.
11665         (store_one_arg): Likewise.
11666
11667 2005-01-11  Jan Beulich  <jbeulich@novell.com>
11668
11669         * config/ia64/ia64.md (zero_extendsidi2): Replace zxt4 by addp4.
11670         Change respective itanium_class attribute to ialu.
11671         (shladdp4_internal): New.
11672         * config/ia64/predicates.md (shladd_log2_operand): New.
11673
11674 2005-01-11  Richard Henderson  <rth@redhat.com>
11675
11676         * expr.c (store_constructor): Use rtvec_alloc instead of
11677         alloca+gen_rtvec_v, and an incorrect number passed to alloca.
11678
11679 2005-01-11  Kazu Hirata  <kazu@cs.umass.edu>
11680
11681         * config/alpha/alpha.c, config/i386/mmx.md: Fix comment typos.
11682
11683 2005-01-11  Alan Modra  <amodra@bigpond.net.au>
11684
11685         * varasm.c (default_section_type_flags_1): Don't set SECTION_SMALL.
11686         * config/ia64/ia64.c (TARGET_SECTION_TYPE_FLAGS): Define.
11687         (TARGET_RWRELOC): Define.
11688         (ia64_rwreloc_section_type_flags): Delete.
11689         (ia64_section_type_flags): New function.
11690         * config/ia64/hpux.h (TARGET_SECTION_TYPE_FLAGS): Don't define.
11691         (TARGET_RWRELOC): Define.
11692
11693 2005-01-10  David Mosberger  <davidm@hpl.hp.com>
11694
11695         PR target/18987
11696         * config/ia64/ia64.c (process_set): For alloc insn, only call
11697         process_epilogue is !frame_pointer_needed.
11698
11699 2005-01-10  Roger Sayle  <roger@eyesopen.com>
11700
11701         PR c++/19355
11702         * c-common.c (c_common_truthvalue_conversion): TRUTH_NOT_EXPR is a
11703         unary operator and can't be treated as a binary/comparison operator.
11704
11705 2005-01-10  Richard Henderson  <rth@redhat.com>
11706
11707         * config/i386/i386.c (ix86_function_value): Use type_natural_mode.
11708         (ix86_return_in_memory): Likewise.
11709         (function_arg_advance):  Likewise.  Mirror structure in function_arg
11710         for choosing register to advance.
11711
11712 2005-01-10  Kazu Hirata  <kazu@cs.umass.edu>
11713
11714         * tree-vectorizer.c, tree.def: Fix comment typos.
11715
11716 2005-01-10  Mark Dettinger  <dettinge@de.ibm.com>
11717
11718         * config/s390/s390.c (struct processor_costs): 4 new fields:
11719         ddbr, ddr, debr, der.
11720         (s390_rtx_costs): More precise handling of divide instructions.
11721
11722 2005-01-10  David Edelsohn  <edelsohn@gnu.org>
11723
11724         * config/rs6000/t-aix43 (BOOT_LDFLAGS): Define.
11725
11726 2005-01-10  Jan Beulich  <jbeulich@novell.com>
11727
11728         * config/ia64/ia64.c (ia64_in_small_data_p): Also handle the section
11729         names resulting from -ffunction-sections/-fdata-sections and linkonce
11730         ones.
11731         * varasm.c (default_section_type_flags_1): Also set SECTION_SMALL
11732         based on the section name. Rearrange the section name comparison logic
11733         slightly so that each section name is compared against at most once.
11734
11735 2005-01-10  Ben Elliston  <bje@au.ibm.com>
11736
11737         * doc/invoke.texi (Code Gen Options): Add PowerPC to the list of
11738         targets for which -fPIC reduces limitations on the GOT size.
11739
11740 2005-01-09  Falk Hueffner  <falk@debian.org>
11741
11742         * fold-const.c (fold): Also handle EXACT_DIV_EXPR when folding
11743         X/C1 cmpop C2.
11744
11745 2005-01-09  David Edelsohn  <edelsohn@gnu.org>
11746
11747         PR target/18720
11748         * collect2.c (main): Set aixrtl_flag for -brtl option.
11749         (resolve_lib_name): Search for .so file extension before .a
11750         if aixrtl_flag set.
11751
11752 2005-01-09  Dorit Naishlos  <dorit@il.ibm.com>
11753
11754         * tree-vectorizer.c (vect_enhance_data_refs_alignment): Add dump prints.
11755         (vect_analyze_data_refs_alignment): Add dump prints.
11756
11757 2005-01-09  Ira Rosen  <irar@il.ibm.com>
11758
11759         * tree-vectorizer.c (vect_analyze_offset_expr): Use
11760         expr_invariant_in_loop_p.
11761         Initialize outputs first thing in the function.
11762         (vect_update_ivs_after_vectorizer): Call initial_condition_in_loop_num.
11763         (vect_is_simple_iv_evolution): Call initial_condition_in_loop_num.
11764         (vect_analyze_pointer_ref_access): Check that the initial condition of
11765         the access function is loop invariant.
11766
11767 2005-01-09  Richard Henderson  <rth@redhat.com>
11768
11769         * config/i386/i386.c (bdesc_2arg): Update names for mmx_ prefixes.
11770         (ix86_expand_builtin): Likewise.  Frob MASKMOVQ wrt the input mem
11771         just like MASKMOVDQU.  Return plain zero for MMX_ZERO.
11772         * config/i386/i386.md (MMXMODEI, mov<MMXMODEI>,
11773         mov<MMXMODEI>_internal_rex64, mov<MMXMODEI>_internal, movv2sf,
11774         movv2sf_internal_rex64, movv2sf_internal, MMXMODE,
11775         movmisalign<MMXMODE>, mmx_pmovmskb, mmx_maskmovq, mmx_maskmovq_rex,
11776         sse_movntdi, addv8qi3, addv4hi3, addv2si3, mmx_adddi3, ssaddv8qi3,
11777         ssaddv4hi3, usaddv8qi3, usaddv4hi3, subv8qi3, subv4hi3, subv2si3,
11778         mmx_subdi3, sssubv8qi3, sssubv4hi3, ussubv8qi3, ussubv4hi3,
11779         mulv4hi3, smulv4hi3_highpart, umulv4hi3_highpart, mmx_pmaddwd,
11780         sse2_umulsidi3, mmx_iordi3, mmx_xordi3, mmx_anddi3, mmx_nanddi3,
11781         mmx_uavgv8qi3, mmx_uavgv4hi3, mmx_psadbw, mmx_pinsrw, mmx_pinsrw,
11782         mmx_pextrw, mmx_pshufw, eqv8qi3, eqv4hi3, eqv2si3, gtv8qi3, gtv4hi3,
11783         gtv2si3, umaxv8qi3, smaxv4hi3, uminv8qi3, sminv4hi3, ashrv4hi3,
11784         ashrv2si3, lshrv4hi3, lshrv2si3, mmx_lshrdi3, ashlv4hi3, ashlv2si3,
11785         mmx_ashldi3, mmx_packsswb, mmx_packssdw, mmx_packuswb, mmx_punpckhbw,
11786         mmx_punpckhwd, mmx_punpckhdq, mmx_punpcklbw, mmx_punpcklwd,
11787         mmx_punpckldq, emms, addv2sf3, subv2sf3, subrv2sf3, gtv2sf3, gev2sf3,
11788         eqv2sf3, pfmaxv2sf3, pfminv2sf3, mulv2sf3, femms, pf2id, pf2iw,
11789         pfacc, pfnacc, pfpnacc, pi2fw, floatv2si2, pfrcpv2sf2, pfrcpit1v2sf3,
11790         pfrcpit2v2sf3, pfrsqrtv2sf2, pfrsqit1v2sf3, pmulhrwv4hi3, pswapdv2si2,
11791         pswapdv2sf2): Move to mmx.md; rename as necessary with leading
11792         mmx_ prefix.
11793         (mmx_clrdi, pavgusb): Remove.
11794         (ldmxcsr, stmxcsr, sfence, sfence_insn): Move to sse.md; rename
11795         with leading sse_ prefix.
11796         * config/i386/sse.md: Receive them.
11797         * config/i386/mmx.md: New file.
11798         (MMXMODE12, MMXMODE24, mmxvecsize): New.
11799         (subrv2sf3): Turn into expander for normal subtraction.
11800         (mmx_addv2sf3, mmx_mulv2sf3, mmx_smaxv2sf3, mmx_sminv2sf3,
11801         mmx_eqv2sf3, mmx_mulv4hi3, mmx_smulv4hi3_highpart,
11802         mmx_umulv4hi3_highpart, mmx_pmaddwd, mmx_pmulhrwv4hi3, sse2_umulsidi3,
11803         mmx_umaxv8qi3, mmx_smaxv4hi3, mmx_uminv8qi3, mmx_sminv4hi3): Mark
11804         commutative; use ix86_binary_operator_ok.
11805         (mmx_add<MMXMODEI>3, mmx_ssadd<MMXMODE12>3, mmx_usadd<MMXMODE12>3,
11806         mmx_sub<MMXMODEI>3, mmx_sssub<MMXMODE12>3, mmx_ussub<MMXMODE12>3
11807         mmx_ashr<MMXMODE24>3, mmx_lshr<MMXMODE23>3, mmx_ashl<MMXMODE24>3
11808         mmx_eq<MMXMODEI>3, mmx_gt<MMXMODEI>3, mmx_and<MMXMODEI>3,
11809         mmx_nand<MMXMODEI>3, mmx_ior<MMXMODEI>3, mmx_xor<MMXMODEI>3):
11810         Macroize from existing patterns; use ix86_binary_operator_ok.
11811         (mmx_packsswb, mmx_packssdw, mmx_packuswb): Add memory alternative.
11812         (mmx_punpckhbw, mmx_punpcklbw, mmx_punpckhwd, mmx_punpcklwd,
11813         mmx_punpckhdq, mmx_punpckhdq, mmx_punpckldq): Likewise.  Model
11814         with vec_select+vec_concat.
11815         (mmx_pshufw, mmx_pshufw_1): Likewise.
11816         (mmx_uavgv8qi3): Merge pavgusb.  Model correcty.
11817         (mmx_uavgv4hi3): Model correctly.
11818         * config/i386/mmintrin.h (_mm_and_si64, _mm_andnot_si64, _mm_or_si64,
11819         _mm_xor_si64): Remove casts.
11820
11821 2005-01-09  Zdenek Dvorak  <dvorakz@suse.cz>
11822
11823         PR tree-optimization/19224
11824         * tree-scalar-evolution.c (get_instantiated_value,
11825         set_instantiated_value): New functions.
11826         (instantiate_parameters_1): Cache the results.
11827         (instantiate_parameters, resolve_mixers): Initialize and free
11828         the cache.
11829
11830 2005-01-08  David Edelsohn  <edelsohn@gnu.org>
11831
11832         * config/i386/i386.md (addhi_4): Correct reference in comment.
11833         (addqi_4): Same.
11834
11835 2005-01-08  Richard Henderson  <rth@redhat.com>
11836
11837         * config/i386/emmintrin.h (_mm_cvtsi128_si32): Move earlier.
11838         (_mm_cvtsi128_si64x): Likewise.
11839         (_mm_srl_epi64, _mm_srl_epi32, _mm_srl_epi16, _mm_sra_epi32,
11840         _mm_sra_epi16, _mm_sll_epi64, _mm_sll_epi32, _mm_sll_epi16): Use
11841         the _mm_{srl,sll}i_foo counterpart, and _mm_cvtsi128_si32.
11842         * config/i386/i386-modes.def: Add V16HI, V32QI, V4DF, V8SF.
11843         * config/i386/i386-protos.h: Update.
11844         * config/i386/i386.c (print_operand): Add 'H'.
11845         (ix86_fixup_binary_operands): Split out from ...
11846         (ix86_expand_binary_operator): ... here.
11847         (ix86_fixup_binary_operands_no_copy): New.
11848         (ix86_expand_fp_absneg_operator): Handle vector mode results.
11849         (bdesc_2arg): Update names for sse{,2,3}_ prefixes.
11850         (ix86_init_mmx_sse_builtins): Remove *maskncmp* special cases.
11851         (safe_vector_operand): Use CONST0_RTX.
11852         (ix86_expand_binop_builtin): Use ix86_fixup_binary_operands.
11853         (ix86_expand_builtin): Merge CODE_FOR_sse2_maskmovdqu_rex64 and
11854         CODE_FOR_sse2_maskmovdqu.  Special case SSE version of MASKMOVDQU
11855         expansion.  Update names for sse{,2,3}_ prefixes.  Remove *maskncmp*
11856         special cases.
11857         * config/i386/i386.h (IX86_BUILTIN_CMPNGTSS): New.
11858         (IX86_BUILTIN_CMPNGESS): New.
11859         * config/i386/i386.md (UNSPEC_FIX_NOTRUNC): New.
11860         (attr type): Add sselog1.
11861         (attr unit, attr memory): Handle it.
11862         (movti, movti_internal, movti_rex64): Move near other integer moves.
11863         (movtf, movtf_internal): Move near other fp moves.
11864         (SSEMODE, SSEMODEI, vec_setv2df, vec_extractv2df, vec_initv2df,
11865         vec_setv4sf, vec_extractv4sf, vec_initv4sf, movv4sf, movv4sf_internal,
11866         movv2df, movv2df_internal, mov<SSEMODEI>, mov<SSEMODEI>_internal,
11867         movmisalign<SSEMODE>, sse_movups_1, sse_movmskps, sse_movntv4sf,
11868         sse_movhlps, sse_movlhps, sse_storehps, sse_loadhps, sse_storelps,
11869         sse_loadlps, sse_loadss, sse_loadss_1, sse_movss, sse_storess,
11870         sse_shufps, addv4sf3, vmaddv4sf3, subv4sf3, vmsubv4sf3, negv4sf2,
11871         mulv4sf3, vmmulv4sf3, divv4sf3, vmdivv4sf3, rcpv4sf2, vmrcpv4sf2,
11872         rsqrtv4sf2, vmrsqrtv4sf2, sqrtv4sf2, vmsqrtv4sf2, sse_andv4sf3,
11873         sse_nandv4sf3, sse_iorv4sf3, sse_xorv4sf3, sse2_andv2df3,
11874         sse2_nandv2df3, sse2_iorv2df3, sse2_xorv2df3, sse2_andv2di3,
11875         sse2_nandv2di3, sse2_iorv2di3, sse2_xorv2di3, maskcmpv4sf3,
11876         vmmaskcmpv4sf3, sse_comi, sse_ucomi, sse_unpckhps, sse_unpcklps,
11877         smaxv4sf3, vmsmaxv4sf3, sminv4sf3, vmsminv4sf3, cvtpi2ps, cvtps2pi,
11878         cvttps2pi, cvtsi2ss, cvtsi2ssq, cvtss2si, cvtss2siq, cvttss2si,
11879         cvttss2siq, addv2df3, vmaddv2df3, subv2df3, vmsubv2df3, mulv2df3,
11880         vmmulv2df3, divv2df3, vmdivv2df3, smaxv2df3, vmsmaxv2df3, sminv2df3,
11881         vmsminv2df3, sqrtv2df2, vmsqrtv2df2, maskcmpv2df3, vmmaskcmpv2df3,
11882         sse2_comi, sse2_ucomi, sse2_movmskpd, sse2_pmovmskb, sse2_maskmovdqu,
11883         sse2_maskmovdqu_rex64, sse2_movntv2df, sse2_movntv2di, sse2_movntsi,
11884         cvtdq2ps, cvtps2dq, cvttps2dq, cvtdq2pd, cvtpd2dq, cvttpd2dq,
11885         cvtpd2pi, cvttpd2pi, cvtpi2pd, cvtsd2si, cvtsd2siq, cvttsd2si,
11886         cvttsd2siq, cvtsi2sd, cvtsi2sdq, cvtsd2ss, cvtss2sd, cvtpd2ps,
11887         cvtps2pd, addv16qi3, addv8hi3, addv4si3, addv2di3, ssaddv16qi3,
11888         ssaddv8hi3, usaddv16qi3, usaddv8hi3, subv16qi3, subv8hi3, subv4si3,
11889         subv2di3, sssubv16qi3, sssubv8hi3, ussubv16qi3, ussubv8hi3, mulv8hi3,
11890         smulv8hi3_highpart, umulv8hi3_highpart, sse2_umulsidi3,
11891         sse2_umulv2siv2di3, sse2_pmaddwd, sse2_uavgv16qi3, sse2_uavgv8hi3,
11892         sse2_psadbw, sse2_pinsrw, sse2_pextrw, sse2_pshufd, sse2_pshuflw,
11893         sse2_pshufhw, eqv16qi3, eqv8hi3, eqv4si3, gtv16qi3, gtv8hi3,
11894         gtv4si3, umaxv16qi3, smaxv8hi3, uminv16qi3, sminv8hi3, ashrv8hi3,
11895         ashrv4si3, lshrv8hi3, lshrv4si3, lshrv2di3, ashlv8hi3, ashlv4si3,
11896         ashlv2di3, sse2_ashlti3, sse2_lshrti3, sse2_unpckhpd, sse2_unpcklpd,
11897         sse2_packsswb, sse2_packssdw, sse2_packuswb, sse2_punpckhbw,
11898         sse2_punpckhwd, sse2_punpckhdq, sse2_punpcklbw, sse2_punpcklwd,
11899         sse2_punpckldq, sse2_punpcklqdq, sse2_punpckhqdq, sse2_movupd,
11900         sse2_movdqu, sse2_movdq2q, sse2_movdq2q_rex64, sse2_movq2dq,
11901         sse2_movq2dq_rex64, sse2_loadd, sse2_stored, sse2_storehpd,
11902         sse2_loadhpd, sse2_storelpd, sse2_loadlpd, sse2_movsd, sse2_loadsd,
11903         sse2_loadsd_1, sse2_storesd, sse2_shufpd, sse2_clflush, sse2_mfence,
11904         mfence_insn, sse2_lfence, lfence_insn, mwait, monitor, addsubv4sf3,
11905         addsubv2df3, haddv4sf3, haddv2df3, hsubv4sf3, hsubv2df3, movshdup,
11906         movsldup, lddqu, loadddup, movddup): Move to sse.md.  Any with
11907         non-optabs meanings renamed with an "sse{,2,3}_" prefix at the
11908         same time.
11909         (SSEPUSH, push<SSEPUSH>): Remove.
11910         (MMXPUSH, push<MMXPUSH>): Remove.
11911         (sse_movaps, sse_movaps_1, sse_movups): Remove.
11912         (sse2_movapd, sse2_movdqa, sse2_movq): Remove.
11913         (sse2_andti3, sse2_nandti3, sse2_iorti3, sse2_xorti3): Remove.
11914         (sse_clrv4sf, sse_clrv2df, sse2_clrti): Remove.
11915         (maskncmpv4sf3, vmmaskncmpv4sf3): Remove.
11916         (maskncmpv2df3, vmmaskncmpv2df3): Remove.
11917         (ashrv8hi3_ti, ashrv4si3_ti, lshrv8hi3_ti, lshrv4si3_ti): Remove.
11918         (lshrv2di3_ti, ashlv8hi3_ti, ashlv4si3_ti, ashlv2di3_ti): Remove.
11919         * config/i386/athlon.md (athlon_sselog_load): Handle sselog1.
11920         (athlon_sselog_load_k8, athlon_sselog, athlon_sselog_k8): Likewise.
11921         * config/i386/ppro.md (ppro_sse_div_V4SF_load): Fix memory attr.
11922         (ppro_sse_log_V4SF_load): Similarly.  Handle sselog1.
11923         (ppro_sse_log_V4SF): Handle sselog1.
11924         * config/i386/predicates.md (const_0_to_1_operand): New.
11925         (const_0_to_255_mul_8_operand): New.
11926         (const_1_to_31_operand): Rename from const_int_1_31_operand.
11927         (const_2_to_3_operand, const_4_to_7_operand): New.
11928         * config/i386/sse.md: New file.
11929         (SSEMODE12, SSEMODE24, SSEMODE124, SSEMODE248, ssevecsize): New.
11930         (sse_movups): Rename from sse_movups_1.
11931         (sse_loadlss): Rename from sse_loadss_1.
11932         (andv4sf3, iorv4sf3, xorv4sf3, andv2df3): Remove the sse prefix
11933         from the name.
11934         (negv4sf2): Use ix86_expand_fp_absneg_operator.
11935         (absv4sf2, negv2df, absv2df): New.
11936         (addv4sf3): Add expander to call ix86_fixup_binary_operands_no_copy.
11937         (subv4sf3, mulv4sf3, divv4sf3, smaxv4sf3, sminv4sf3, andv4sf3,
11938         iorv4sf3, xorv4sf3, addv2df3, subv2df3, mulv2df3, divv2df3,
11939         smaxv2df3, sminv2df3, andv2df3, iorv2df3, xorv2df3, mulv8hi3,
11940         umaxv16qi3, smaxv8hi3, uminv16qi3, sminv8hi3): Likewise.
11941         (sse3_addsubv4sf3): Model correctly.
11942         sse3_haddv4sf3, sse3_hsubv4sf3, sse3_addsubv2df3, sse3_haddv2df3,
11943         sse3_hsubv2df3, sse2_ashlti3, sse2_lshrti3): Likewise.
11944         (sse_movhlps): Model with vec_select+vec_concat.
11945         (sse_movlhps, sse_unpckhps, sse_unpcklps, sse3_movshdup,
11946         sse3_movsldup, sse_shufps, sse_shufps_1, sse2_unpckhpd, sse3_movddup,
11947         sse2_unpcklpd, sse2_shufpd, sse2_shufpd_1, sse2_punpckhbw,
11948         sse2_punpcklbw, sse2_punpckhwd, sse2_punpcklwd, sse2_punpckhdq,
11949         sse2_punpckldq, sse2_punpckhqdq, sse2_punpcklqdq, sse2_pshufd,
11950         sse2_pshufd_1, sse2_pshuflw, sse2_pshuflw_1, sse2_pshufhw,
11951         sse2_pshufhw_1): Likewise.
11952         (neg<SSEMODEI>2, one_cmpl<SSEMODEI>2): New.
11953         (add<SSEMODEI>3, sse2_ssadd<SSEMODE12>3, sse2_usadd<SSEMODE12>3,
11954         sub<SSEMODEI>3, sse2_sssub<SSEMODE12>3, sse2_ussub<SSEMODE12>3,
11955         ashr<SSEMODE24>3, lshr<SSEMODE248>3, sse2_eq<SSEMODE124>3,
11956         sse2_gt<SSEMODDE124>3, and<SSEMODEI>3, sse_nand<SSEMODEI>3,
11957         ior<SSEMODEI>3, xor<SSEMODEI>3): Macroize from existing patterns.
11958         (addv4sf3, sse_vmaddv4sf3, mulv4sf3, sse_vmmulv4sf3, smaxv4sf3,
11959         sse_vmsmaxv4sf3, sminv4sf3, sse_vmsminv4sf3, addv2df3, sse2_vmaddv2df3,
11960         mulv2df3, sse2_vmmulv2df3, smaxv2df3, sse2_vmsmaxv2df3, sminv2df3,
11961         sse2_vmsminv2df3, umaxv16qi3, smaxv8hi3, uminv16qi3
11962         sminv8hi3): Mark commutative
11963         operands.  Use ix86_binary_operator_ok.
11964         (sse_unpckhps, sse_unpcklps, sse2_packsswb, sse2_packssdw,
11965         sse2_packuswb, sse2_punpckhbw, sse2_punpcklbw, sse2_punpckhwd,
11966         sse2_punpcklwd, sse2_punpckhdq, sse2_punpckldq, sse2_punpckhqdq,
11967         sse2_punpcklqdq): Allow operand2 in memory.
11968         (sse_movhlps, sse_movlhps, sse2_unpckhpd, sse2_unpcklpd
11969         sse2_movsd): Add memory alternatives.
11970         (sse_storelps): Turn expander into an insn; split after reload.
11971         (sse_storess, sse2_loadhpd, sse2_loadlpd): Add non-xmm inputs.
11972         (sse2_storehpd, sse2_storelpd): Add non-xmm outputs.
11973
11974 2005-01-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
11975
11976         * configure.ac (DWARF-2 debug_line): Use objdump.
11977         * configure: Regenerate.
11978
11979 2005-01-08  Jeff Law  <law@redhat.com>
11980             Diego Novillo  <dnovillo@redhat.com>
11981
11982         PR tree-optimization/18241
11983         * tree-nrv.c (tree_nrv): Ignore volatile return values.
11984         * tree-ssa-dse.c (dse_optimize_stmt): Do not optimize
11985         statements with volatile operands.
11986         * tree-ssa-operands.c (add_stmt_operand): Do add volatile
11987         operands after marking a statement with has_volatile_ops.
11988
11989 2005-01-08  Roger Sayle  <roger@eyesopen.com>
11990
11991         * tree.c (int_fits_type_p): Always honor integer constant
11992         TYPE_MIN_VALUE and TYPE_MAX_VALUE if they exist.
11993
11994 2005-01-08  Roger Sayle  <roger@eyesopen.com>
11995
11996         * ifcvt.c (find_if_case_1): Reinstate 2005-01-04 change, now that
11997         the latent bug in rtl_delete_block has been resolved.
11998
11999 2005-01-08  Richard Sandiford  <rsandifo@redhat.com>
12000
12001         * config/mips/t-iris6 (MULTILIB_DIRNAMES): Use -mabi argument values.
12002         (MULTILIB_OSDIRNAMES): Use the standard lib, lib32 and lib64.
12003
12004 2005-01-08  Richard Sandiford  <rsandifo@redhat.com>
12005
12006         * config/mips/t-slibgcc-irix (SHLIB_LINK): Install a copy of the
12007         library as @multilib_dir@/$(SHLIB_SONAME).
12008
12009 2005-01-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
12010
12011         * configure.ac (HAVE_AS_OFFSETABLE_LO10): Fix typo.
12012         * configure: Regenerate.
12013
12014 2005-01-07  Jakub Jelinek  <jakub@redhat.com>
12015
12016         * c-common.c (handle_mode_attribute): For ENUMERAL_TYPE, also copy
12017         TYPE_MODE.
12018
12019 2005-01-07  David Edelsohn  <edelsohn@gnu.org>
12020
12021         PR target/13674
12022         * config/rs6000/rs6000.c (rs6000_legitimize_reload_address):
12023         Convert non-word aligned offset address using ld/std into
12024         indirect address.
12025
12026 2005-01-07  Richard Henderson  <rth@redhat.com>
12027
12028         * config/i386/i386.md (sse_loadhps splitter): Fix operand number typo.
12029
12030 2005-01-07  Richard SAndiford  <rsandifo@redhat.com>
12031
12032         * tree.h (IS_EXPR_CODE_CLASS): Use a straight-forward range check.
12033
12034 2005-01-07  Jakub Jelinek  <jakub@redhat.com>
12035
12036         PR tree-optimization/19283
12037         * fold-const.c (fold_widened_comparison): Return NULL if shorter_type
12038         is not shorter than the original type.
12039
12040         PR rtl-optimization/19012
12041         * config/i386/i386.md (addqi_1_slp): Set memory attribute.
12042
12043         PR rtl-optimization/18861
12044         * cfgbuild.c (BLOCK_USED_BY_TABLEJUMP): Define.
12045         (FULL_STATE): Define.
12046         (mark_tablejump_edge): New function.
12047         (purge_dead_tablejump_edges): New function.
12048         (find_bb_boundaries): Use it.
12049
12050         PR tree-optimization/18828
12051         * builtins.c (expand_builtin_next_arg): Remove argument and all
12052         the argument checking.
12053         (expand_builtin): Adjust caller.
12054         (expand_builtin_va_start): Likewise.  Remove error for too many
12055         arguments.
12056         (fold_builtin_next_arg): Issue error for too many arguments.
12057         After checking arguments, replace them with magic arguments that
12058         prevent further checking of the args.
12059
12060 2005-01-06  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
12061
12062         * pa64-hpux.h (STARTFILE_SPEC): Fix typo in spec.
12063
12064 2005-01-06  Roger Sayle  <roger@eyesopen.com>
12065
12066         PR target/6077
12067         * gcc.c (input_suffix_matches): Tweak the semantics of %{.s:...}
12068         and %{.S:...} (and their negative variants) to test whether the
12069         input file is assembler or pre-processed-assembler independent of
12070         the actual filename extension.
12071
12072 2005-01-06  Roger Sayle  <roger@eyesopen.com>
12073
12074         * simplify-rtx.c (simplify_subreg): Simplify truncations of shifts
12075         of sign or zero extended values.
12076
12077 2005-01-06  Geoffrey Keating  <geoffk@apple.com>
12078
12079         * c-cppbuiltin.c (builtin_define_float_constants): Set __*_EPSILON__
12080         for IBM long double format correctly.
12081
12082 2005-01-06  Daniel Berlin <dberlin@dberlin.org>
12083
12084         Fix PR tree-optimization/18792
12085
12086         * tree-data-ref.c (build_classic_dist_vector): Change first_loop
12087         to first_loop_depth, and use loop depth instead of loop number.
12088         (build_classic_dir_vector): Ditto.
12089         (compute_data_dependences_for_loop): Use depth, not loop number.
12090         * tree-loop-linear.c (try_interchange_loops): Use loop depth, not loop
12091         number. Pass in loops, instead of loop numbers.
12092         (gather_interchange_stats): Ditto.
12093         (linear_transform_loops): Ditto.
12094
12095 2005-01-06  Richard Sandiford  <rsandifo@redhat.com>
12096
12097         PR rtl-opt/13299
12098         * loop.c (get_monotonic_increment, biased_biv_fits_mode_p,
12099         biv_fits_mode_p, extension_within_bounds_p): New functions.
12100         (check_ext_dependent_givs): Use them.
12101
12102 2005-01-06  Roger Sayle  <roger@eyesopen.com>
12103
12104         * cfgrtl.c (rtl_delete_block): A basic block may be followed by
12105         more than one barrier, in which case we should delete them all.
12106
12107 2005-01-06  Tobias Schlueter  <tobias.schlueter@physik.uni-muenchen.de>
12108
12109         * gcc.c (process_command): Change year in 'gcc --version' to 2005.
12110
12111 2005-01-05  Daniel Berlin  <dberlin@dberlin.org>
12112
12113         Fix PR middle-end/19286
12114         Fix PR debug/19267
12115         * dwarf2out.c (gen_subprogram_die): If we've already tried to
12116         output this subprogram, simply ignore this attempt to do it again.
12117         (add_abstract_origin_attribute): Don't abort trying to add the abstract
12118         origin attribute if it's not possible.
12119         (gen_block_die): Don't ignore subblocks of "unused" blocks.
12120         (decls_for_scope): Ditto.
12121         * gimple-low.c (mark_blocks_with_used_subblocks): Remove.
12122         (mark_used_blocks): Don't call mark_blocks_with_used_subblocks.
12123
12124 2005-01-05  Richard Henderson  <rth@redhat.com>
12125
12126         PR target/11327
12127         * config/i386/i386.c (BUILTIN_DESC_SWAP_OPERANDS): New.
12128         (bdesc_2arg): Use it.
12129         (ix86_expand_binop_builtin): Force operands into registers
12130         when optimizing.
12131         (ix86_expand_unop_builtin, ix86_expand_unop1_builtin,
12132         ix86_expand_sse_compare, ix86_expand_sse_comi,
12133         ix86_expand_builtin): Likewise.
12134
12135 2005-01-05  Richard Henderson  <rth@redhat.com>
12136
12137         * config/ia64/ia64.c (rtx_needs_barrier): Handle CONST_VECTOR
12138         and VEC_SELECT.
12139         * config/ia64/vect.md (mulv8qi3): Re-implement with mix_[rl].
12140         (mulv4hi3): Set itanium_class mmmul.
12141         (fpack_sfxf, fpack_xfsf, fpack_xfxf): Remove.
12142         (fpack): Rename from fpack_sfsf.
12143
12144 2005-01-05  Richard Henderson  <rth@redhat.com>
12145
12146         PR rtl-opt/10692
12147         * reload1.c (do_input_reload): Restrict the optimization deleteing
12148         a previous output reload to RELOAD_FOR_INPUT.
12149
12150 2005-01-05  Steven Bosscher  <stevenb@suse.de>
12151
12152         * combine.c (expand_compound_operation)  <ZERO_EXTRACT>: Add
12153         comment that we fall through after case.
12154         (mark_used_regs_combine): Don't expect a SIGN_EXTRACT in a SET_DEST.
12155         (distribute_links): Likewise.
12156         * cse.c (cse_insn): Likewise.
12157         * cselib.c (cselib_invalidate_mem): Likewise.
12158         * df.c: Update comments at the top of the file.
12159         (read_modify_subreg_p): Update comments here too.
12160         (df_def_record_1): Don't expect a SIGN_EXTRACT in a SET_DEST.
12161         * flow.c (mark_set_1): Likewise.
12162         (mark_used_regs): Likewise.
12163         * gcse.c (mems_conflict_for_gcse_p): Likewise.
12164         (canon_list_insert): Likewise.
12165         (mark_set): Likewise.
12166         (try_replace_reg): Likewise.
12167         (store_killed_in_insn): Likewise.
12168         * loop.c (count_one_set): Likewise.
12169         (basic_induction_var): Likewise.
12170         * postreload-gcse.c (find_mem_conflicts): Likewise.
12171         * postreload.c (reload_combine_note_store): Likewise.
12172         (move2add_note_store): Likewise.
12173         * reload.c (find_equiv_reg): Likewise.
12174         (mark_referenced_resources): Likewise.
12175         * rtlanal.c (set_noop_p): Likewise.
12176         (note_stores): Likewise.
12177         (note_uses): Likewise.
12178         * sched-deps.c (sched_analyze_1): Likewise.
12179         * sched-rgn.c (check_live_1): Likewise.
12180         (update_live_1): Likewise.
12181         * config/i860/i860.c: Likewise.
12182
12183         * rtl.dec (SIGN_EXTRACT): Document that this cannot appear as
12184         an lvalue.
12185         (ZERO_EXTRACT): Mention that this one can be an lvalue.
12186
12187         * doc/rtl.texi: Update documentation for bit-fields and SET.
12188
12189 2005-01-05  Roger Sayle  <roger@eyesopen.com>
12190
12191         * ifcvt.c (find_if_case_1): Revert 2005-01-04 change.
12192
12193 2005-01-05  Jan Hubicka  <jh@suse.cz>
12194             Richard Henderson  <rth@redhat.com>
12195
12196         PR target/18910
12197         * config/i386/i386.c (ix86_expand_move): Handle tls symbols
12198         with an offset.
12199
12200 2005-01-05  Richard Henderson  <rth@redhat.com>
12201
12202         PR target/12902
12203         * config/i386/i386.md (sse_movhps, sse_movlps): Remove.
12204         (sse_shufps): Change operand 3 to const_int_operand.
12205         (sse2_storelps): Fix typo in template.
12206         (sse_storehps, sse_loadhps, sse_storelps, sse_loadlps): New.
12207         * config/i386/i386.c (ix86_expand_vector_move_misalign): Use them.
12208         (ix86_expand_builtin): Likewise.
12209
12210 2005-01-05  Julian Brown  <julian@codesourcery.com>
12211
12212         * config/arm/arm.c (arm_return_in_memory): Treat complex types
12213         as aggregates for AAPCS ABIs.
12214
12215 2005-01-05  Stan Shebs  <shebs@apple.com>
12216
12217         * unwind-dw2-fde-darwin.c (examine_objects): Use 64-bit
12218         Mach-O getters if ppc64.
12219         * config/darwin.c (darwin_asm_output_dwarf_delta): Obey
12220         size argument.
12221         * config/darwin.h (ASM_PREFERRED_EH_DATA_FORMAT): Use
12222         signed four-byte field for global code case.
12223         (STARTFILE_SPEC): Avoid crt2.o for 64-bit compilation.
12224
12225 2005-01-05  Roger Sayle  <roger@eyesopen.com>
12226
12227         PR middle-end/19100
12228         * c-common.c: Include real.h.
12229         (c_common_truthvalue_conversion): Avoid destructively modifying expr.
12230         Correctly handle TREE_CONSTANT_OVERFLOW for INTEGER_CST.
12231         Correctly handle TREE_CONSTANT_OVERFLOW and NaNs for REAL_CST.
12232         * Makefile.in (c-common.o): Update dependencies.
12233
12234 2005-01-05  Joseph S. Myers  <joseph@codesourcery.com>
12235
12236         * c-parse.in (asm_string): Add trailing semicolon.
12237
12238 2005-01-05  Joseph S. Myers  <joseph@codesourcery.com>
12239
12240         * c-parse.in (asm_string): New.  Don't allow wide strings in
12241         'asm'.
12242         (simple_asm_expr, asm_argument, asm_operand, asm_clobbers): Use
12243         asm_string instead of STRING.
12244
12245 2005-01-05  Joseph S. Myers  <joseph@codesourcery.com>
12246
12247         * c-typeck.c (constructor_no_implicit): Remove.
12248         (set_designator, process_init_element): Don't check
12249         constructor_no_implicit.
12250
12251 2005-01-05  J"orn Rennecke <joern.rennecke@st.com>
12252             Kaz Kojima  <kkojima@gcc.gnu.org>
12253
12254         PR target/16482
12255         * lcm.c (create_pre_exit): New.
12256         (optimize_mode_switching): In MODE_ENTRY / MODE_EXIT case, set
12257         ENTRY_EXIT_EXTRA to 3.  Use create_pre_exit.
12258
12259 2004-01-05  Richard Earnshaw  <rearnsha@arm.com>
12260
12261         * arm.h (TARGET_OPTIONS): Correctly record -mhard-float and
12262         -msoft-float in target_float_switch.
12263         * arm.c (arm_override_options): Fix processing of target_float_switch.
12264
12265 2004-01-05  Richard Earnshaw  <rearnsha@arm.com>
12266
12267         * arm/vfp.md (arm_movsi_vfp): Hide VFP register classes from register
12268         preferencing.
12269
12270 2004-01-05  Uros Bizjak  <uros@kss-loka.si>
12271
12272         * doc/invoke.texi (Intel 386 and AMD x86-64 Options):
12273         Replace i387 with 'i386 compiler' in -mfpmath=sse option.
12274
12275 2005-01-04  Roger Sayle  <roger@eyesopen.com>
12276
12277         * ifcvt.c (find_if_case_1): Avoid creating an empty forwarder block,
12278         if deleting the then-block allows the test-block to fallthru to the
12279         else-block.
12280
12281 2005-01-04  Andrew Pinski  <pinskia@physics.uc.edu>
12282
12283         PR c/19152
12284         * c-decl.c (diagnose_mismatched_decls): Accept "extern inline" declared
12285         after the full declaration if the are in two different TUs.
12286
12287 2005-01-04  Richard Henderson  <rth@redhat.com>
12288
12289         PR tree-opt/19158
12290         * tree-sra.c (generate_one_element_init): Just
12291         call gimplify_and_add.
12292         (generate_element_init): Record the
12293         new referenced variables and mark them for renaming
12294         and split out to ...
12295         (generate_element_init_1): This.
12296         (scalarize_init): Don't call push_gimplify_context/
12297         pop_gimplify_context.
12298
12299 2005-01-04  Geoffrey Keating  <geoffk@apple.com>
12300
12301         * toplev.c (get_src_pwd): Handle failure of getpwd().
12302
12303 2005-01-04  Roger Sayle  <roger@eyesopen.com>
12304
12305         * fold-const.c (fold_single_bit_test): Delete unreachable handling
12306         of TRUTH_NOT_EXPR.
12307         (fold): Don't call fold_single_bit_test with a TRUTH_NOT_EXPR, as
12308         all the cases handled by it are inverted by invert_truthvalue.
12309
12310 2005-01-04  Eric Botcazou  <ebotcazou@libertysurf.fr>
12311
12312         * config/sparc/sparc.md (save_register_windowdi): Add missing mode.
12313         (save_register_windowsi): Likewise.
12314
12315 2005-01-04  Richard Henderson  <rth@redhat.com>
12316
12317         * tree-mudflap.c (mf_varname_tree): Fix thinko setting declname.
12318
12319 2005-01-04  Uros Bizjak  <uros@kss-loka.si>
12320
12321         PR middle-end/17767
12322         * cse.c (fold_rtx) [RTX_COMPARE, RTX_COMM_COMPARE]: Don't attempt
12323         any simplifications of vector mode comparison operators.
12324         * simplify-rtx.c (simplify_relational_operation): Fix variable name.
12325
12326 2005-01-04  Paolo Bonzini  <bonzini@gnu.org>
12327             Devang Patel  <dpatel@apple.com>
12328
12329         PR tree-optimization/18308
12330         * tree-if-conv.c (add_to_dst_predicate_list): Gimplify
12331         the operands before creating a new expression.
12332         * dojump.c (do_jump): Make drop_through_label available
12333         for all cases.  Add expansion of COND_EXPR.
12334
12335 2005-01-04  Ira Rosen  <irar@il.ibm.com>
12336
12337         * tree-vectorizer.c (vect_analyze_offset_expr): Test for
12338         INTEGER_CST instead of TREE_CONSTANT.
12339         (vect_gen_niters_for_prolog_loop): Test for INTEGER_CST
12340         instead of TREE_CONSTANT.
12341         (vect_analyze_pointer_ref_access): Test for INTEGER_CST
12342         instead of TREE_CONSTANT.
12343
12344 2005-01-04  Eric Botcazou  <ebotcazou@libertysurf.fr>
12345
12346         * tree-eh.c (replace_goto_queue): Return early if the queue is empty.
12347
12348 2005-01-04  Uros Bizjak  <uros@kss-loka.si>
12349
12350         PR target/19240
12351         * config/i386/i386.md (*fop_df_1_i387): Disable for TARGET_SSE_MATH.
12352         (*fop_df_1_i387): Disable for (TARGET_SSE2 && TARGET_SSE_MATH).
12353
12354 2005-01-03  Richard Henderson  <rth@redhat.com>
12355
12356         * fold-const.c (force_fit_type): Cope with types larger than 2 HWI.
12357         (fold_convert_const_int_from_int, fold_convert_const_int_from_real,
12358         fold_convert_const_real_from_real): Split out from ...
12359         (fold_convert_const): ... here.
12360
12361 2005-01-03  Richard Henderson  <rth@redhat.com>
12362
12363         PR target/19235
12364         * config/i386/i386.md (movdi_2): Separate SSE1 and SSE2 alternatives.
12365         (mov<MMXMODEI>_internal): Likewise.
12366         (movdf_nointeger): Prefer Y while not preferring, but allowing, x.
12367         Add V2SF case; use it for SSE1; don't use TI.
12368         (movdf_integer): Likewise.
12369         (mov<SSEMODEI>_internal, movti_internal): Force V4SF for SSE1.
12370
12371 2005-01-03  Ira Rosen  <irar@il.ibm.com>
12372
12373         * tree-vectorizer.c (vect_strip_conversions): New function.
12374         (vect_analyze_offset_expr): Call vect_strip_conversions. Add
12375         check for binary class.
12376
12377 2005-01-03  Daniel Berlin  <dberlin@dberlin.org>
12378
12379         Fix PR debug/17924
12380         Fix PR debug/19191
12381         * dwarf2out.c (block_ultimate_origin): Follow decl origin if origin
12382         is a decl.
12383         * gimple-low.c (mark_blocks_with_used_vars): New function.
12384         (mark_blocks_with_used_subblocks): Ditto.
12385         (mark_used_blocks): Ditto.
12386         (pass_mark_used_blocks): New pass.
12387         * tree-inline.c: Include debug.h.
12388         (expand_call_inline): Call outlining_inline_function here.
12389         * tree-optimize.c (init_tree_optimization_passes): Add
12390         pass_mark_used_blocks.
12391         * tree-pass.h (pass_mark_used_blocks): New.
12392         * Makefile.in (tree-inline.o): Add debug.h dependency.
12393
12394 2005-01-03  Geoffrey Keating  <geoffk@apple.com>
12395
12396         * config/darwin.c (darwin_handle_weak_import_attribute): Permit
12397         VAR_DECLs to have weak_import attribute.
12398
12399         * config/rs6000/darwin-fallback.c: Use 'ucontext_t' rather than
12400         'struct ucontext'.
12401
12402 2004-01-03  Steven Bosscher  <stevenb@suse.de>
12403
12404         * passes.c (rest_of_compilation): Don't run regmove if only
12405         flag_expensive_optimizations, require flag_regmove instead.
12406
12407 2005-01-03  Eric Botcazou  <ebotcazou@libertysurf.fr>
12408
12409         * config/sparc/litecoff.h (TARGET_OS_CPP_BUILTINS): Do not
12410         register "sparc".
12411         * config/sparc/sysv4-only.h (TARGET_OS_CPP_BUILTINS): Likewise.
12412         * config/sparc/rtemself.h (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
12413         * config/sparc/sol2-64.h (TARGET_SUB_OS_CPP_BUILTINS): Delete.
12414         * config/sparc/sp64-elf.h (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
12415
12416 2005-01-03  Richard Henderson  <rth@redhat.com>
12417
12418         * config/ia64/ia64.c (TARGET_VECTOR_MODE_SUPPORTED_P): New.
12419         (ia64_const_ok_for_letter_p): New.
12420         (ia64_const_double_ok_for_letter_p): New.
12421         (ia64_extra_constraint): New.
12422         (ia64_expand_vecint_compare): New.
12423         (ia64_expand_vcondu_v2si): New.
12424         (ia64_expand_vecint_cmov): New.
12425         (ia64_expand_vecint_minmax): New.
12426         (ia64_print_operand): Add 'v'.
12427         (ia64_preferred_reload_class): New.
12428         (ia64_vector_mode_supported_p): New.
12429         * config/ia64/ia64.h (UNITS_PER_SIMD_WORD): New.
12430         (PREFERRED_RELOAD_CLASS): Move to function.
12431         (CONST_OK_FOR_LETTER_P): Move to function.
12432         (CONST_DOUBLE_OK_FOR_LETTER_P): Move to function.
12433         (CONSTRAINT_OK_FOR_Q, CONSTRAINT_OK_FOR_R): Remove.
12434         (CONSTRAINT_OK_FOR_S, CONSTRAINT_OK_FOR_T): Remove.
12435         (EXTRA_CONSTRAINT): Move to function.
12436         * config/ia64/ia64.md: Include vect.md.
12437         (itanium_class): Add mmalua.
12438         (type): Handle it.
12439         * config/ia64/itanium1.md (1_mmalua): New.  Add it to bypasses.
12440         (1b_mmalua): New.
12441         * config/ia64/itanium2.md (2_mmalua, 2b_mmalua): Similarly.
12442         * config/ia64/predicates.md (gr_reg_or_0_operand): Accept any
12443         CONST0_RTX.
12444         (const_int_2bit_operand): New.
12445         (fr_reg_or_0_operand): New.
12446         * config/ia64/ia64-modes.def: Add vector modes.
12447         * config/ia64/ia64-protos.h: Update.
12448         * config/ia64/vect.md: New file.
12449
12450 2005-01-03  Richard Henderson  <rth@redhat.com>
12451
12452         * simplify-rtx.c (simplify_binary_operation): Handle VEC_CONCAT.
12453
12454 2005-01-03  Uros Bizjak  <uros@kss-loka.si>
12455
12456         PR target/19236
12457         * config/i386/i386.c (log1psf2): Change mode of operands[0,1]
12458         to SFmode.
12459         (log1pdf2): Change mode of operands[0,1] to DFmode.
12460
12461 2005-01-03  Eric Botcazou  <ebotcazou@libertysurf.fr>
12462
12463         * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Define to false.
12464         * config/sparc/linux.h (SPARC_RELAXED_ORDERING): Define to true.
12465         * config/sparc/linux64.h (SPARC_RELAXED_ORDERING): Likewise.
12466         * config/sparc/sparc.c (TARGET_RELAXED_ORDERING): Define to
12467         SPARC_RELAXED_ORDERING.
12468
12469 2005-01-03  Richard Henderson  <rth@redhat.com>
12470             Uros Bizjak  <uros@kss-loka.si>
12471
12472         PR target/14631
12473         * config/i386/i386.c (ix86_expand_builtin): [IX86_BUILTIN_PINSRW,
12474         IX86_BUILTIN_PINSRW128]: Fix wrong selector range in error message.
12475         * config/i386/i386.md (mmx_pinsrw, sse2_pinsrw): Fix selector
12476         handling.
12477         (*mmx_pinsrw, *sse2_pinsrw): New patterns.
12478         * config/i386/i386/predicates.md (const_pow2_1_to_8_operand,
12479         const_pow2_1_to_128_operand): New predicates.
12480
12481 2005-01-02  Greg McGary  <greg@mcgary.org>
12482
12483         * tree-mudflap.c (mf_varname_tree): decl_printable_name handles
12484         anonymous decls.
12485         (mf_xform_derefs_1) [RESULT_DECL, STRING_CST]: Handle as innermost
12486         object.  [ptr_type]: Remove unused variable.
12487         Remember nearest addressable array-element or record-component
12488         when checking bitfield components.  Tolerate empty BIND_EXPR.
12489
12490 2005-01-01  Richard Henderson  <rth@redhat.com>
12491
12492         * tree-vectorizer.c (vect_analyze_offset_expr): Strip conversions
12493         that don't narrow the value.  Fail for other conversions.
12494
12495 2005-01-01  Richard Henderson  <rth@redhat.com>
12496
12497         PR c/19031
12498         * c-decl.c (pop_file_scope): Call maybe_apply_pending_pragma_weaks.
12499         * c-lang.c (finish_file): Don't do it here.
12500         * objc/objc-act.c (objc_finish_file): Likewise.
12501
12502         * cgraph.c (decl_assembler_name_equal): New.
12503         (cgraph_node_for_asm, cgraph_varpool_node_for_asm): New.
12504         (cgraph_varpool_node): Actually link up cgraph_varpool_nodes.
12505         * cgraph.h (struct cgraph_varpool_node): Add next.
12506         (cgraph_node_for_asm, cgraph_varpool_node_for_asm): Declare.
12507         * varasm.c (assemble_alias): Mark the target as needed.
12508
12509 2005-01-01  Andrew Pinski  <pinskia@physics.uc.edu>
12510
12511         PR middle-end/19221
12512         * function.c (get_arg_pointer_save_area): Use entry_of_function
12513         instead of get_insns.
12514
12515 2005-01-01  Roger Sayle  <roger@eyesopen.com>
12516             Andrew Pinski  <pinskia@physics.uc.edu>
12517             James E. Wilson  <wilson@specifixinc.com>
12518
12519         PR rtl-optimization/12092
12520         * loop.c (emit_prefetch_instructions): Do nothing if PREFETCH_BLOCK
12521         is zero.
12522
12523 2005-01-01  Roger Sayle  <roger@eyesopen.com>
12524             Olivier Hainque  <hainque@act-europe.fr>
12525
12526         * tree.c (int_fits_type_p): A narrower type always fits in a
12527         wider one, except for negative values into unsigned types.
12528
12529 2005-01-01  Roger Sayle  <roger@eyesopen.com>
12530
12531         * tree.c (int_fits_type_p): Compare the result of force_fit_type
12532         with the original constant rather than require TREE_OVERFLOW.
12533
12534 2005-01-01  Steven Bosscher  <stevenb@suse.de>
12535
12536         PR middle-end/17544
12537         * c-decl.c (finish_function): If compiling C99, annotate the
12538         compiler generated return with the current file name and line 0.
12539         * tree-cfg.c (remove_useless_stmts_warn_notreached): Only warn if
12540         the source line is greater than 0.
12541         (remove_bb): Likewise.