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1 2005-04-19  Paul Brook  <paul@codesourcery.com>
2
3         * config/arm/arm.c (arm_init_libfuncs): Clear mod optabs. 
4
5 2005-04-19  Andrew Haley  <aph@redhat.com>
6
7         PR java/21022
8         * dbxout.c (dbxout_type_fields): Check DECL_IGNORED_P before
9         looking at a field's bitpos.
10
11 2005-04-19  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
12
13         * system.h (fopen, fdopen, freopen): Define these to the unlocked
14         libiberty functions.
15
16 2005-04-19  Kazu Hirata  <kazu@cs.umass.edu>
17
18         PR tree-optimization/21096
19         * tree-ssa-copy.c (fini_copy_prop): Free cached_last_copy_of.
20
21 2005-04-19  Alan Modra  <amodra@bigpond.net.au>
22
23         PR target/21098
24         * config/rs6000/rs6000.c (rs6000_elf_end_indicate_exec_stack): New.
25         * config/rs6000/linux64.h (TARGET_ASM_FILE_END): Use the above.
26
27 2005-04-19  Alexandre Oliva  <aoliva@redhat.com>
28
29         * tree-cfg.c (dump_function_to_file): Use cfun info only if it
30         refers to the function being dumped.
31
32 2005-04-18  Daniel Jacobowitz  <dan@codesourcery.com>
33
34         * varasm.c (assemble_start_function): Remove reset of in_section.
35
36 2005-04-18  James A. Morrison  <phython@gcc.gnu.org>
37
38         PR tree-optimization/21085
39         * fold-const (fold_binary): Don't change X % -C to X % C if C has
40         overflowed.
41
42 2005-04-19  Ben Elliston  <bje@au.ibm.com>
43
44         * doc/invoke.texi (Optimize Options): Refer to the correct
45         optimisation flag -ftree-dominator-opts, not -ftree-dom.
46
47 2005-04-18  Christopher Jaillet <christophe.jaillet@wanadoo.fr>
48
49         * config/rs6000/rs6000.c (machopic_output_stub):  Increase
50         alloca argument to be big enough.
51
52 2005-04-18  Alexandre Oliva  <aoliva@redhat.com>
53
54         PR middle-end/21049
55         * tree-cfg.c (dump_function_to_file): Do not crash if cfun or
56         cfun->cfg are NULL.
57
58 2005-04-18  Tom Tromey  <tromey@redhat.com>
59
60         * cgraphunit.c (cgraph_finalize_compilation_unit): Fix a comment
61         typo.
62
63 2005-04-18  Richard Henderson  <rth@redhat.com>
64
65         * config/alpha/alpha.c (alpha_split_atomic_op): New.
66         (alphaev5_insn_pipe): Add LD_L, ST_C, MB types.
67         (alphaev4_insn_pipe): Likewise.  Correct IST and LDSYM pipes.
68         * config/alpha/alpha-protos.h: Update.
69         * config/alpha/alpha.md (UNSPECV_MB, UNSPECV_LL, UNSPECV_SC): New.
70         (UNSPECV_ATOMIC, UNSPECV_CMPXCHG, UNSPECV_XCHG): New.
71         (attr type): Add ld_l, st_c, mb.
72         (andsi_internal, andnotsi3, iorsi_internal, one_cmplsi_internal,
73         iornotsi3, xorsi_internal, xornotsi3): New.
74         * config/alpha/ev4.md (ev4_ld): Add ld_l.
75         (ev4_ist_c, ev4_mb): New.
76         * config/alpha/ev5.md (ev5_st): Add st_c, mb.
77         (ev5_ld_l): New.
78         * config/alpha/ev6.md (ev6_ild): Add ld_l.
79         (ev6_ist): Add st_c.
80         (ev6_mb): New.
81         * config/alpha/sync.md: New file.
82
83 2005-04-18  Richard Henderson  <rth@redhat.com>
84
85         * builtins.c (expand_builtin_sync_operation): Fold nand to and
86         for constants.
87
88         * optabs.c (expand_sync_operation): Fix typo expanding nand to and.
89
90 2005-04-18  Devang Patel  <dpatel@apple.com>
91
92         * config/rs6000/atlivec.md (mulv4si3): New pattern.
93         
94 2005-04-18  James A. Morrison  <phython@gcc.gnu.org>
95
96         PR tree-optimization/20922
97         * fold-const.c (fold_binary): Fold X - c > X and X + c < X to false.
98         Fold X + c >= X and fold X - c <= X to true.
99
100 2005-04-18  James A. Morrison  <phython@gcc.gnu.org>
101
102         * config/ia64/unwind-ia64.c (emergency_reg_state_free): Make an
103         unsigned int.
104         (emergency_labeled_state_free): Likewise.
105
106 2005-04-18  Nick Clifton  <nickc@redhat.com>
107
108         * config/h8300/h8300.md (jump): Remove prescan parameter from
109         calls to final_scan_insn.
110
111         * config/arc/arc.c (arc_output_function_epilogue): Remove prescan
112         parameter from calls to final_scan_insn.
113
114         * config.gcc (m68hc12): Use the m68hc11.opt file for target
115         specific options.
116         (v850e, v850e1): Use the v850.opt file for target specific
117         options.
118
119 2005-04-18  Kazu Hirata  <kazu@cs.umass.edu>
120
121         PR tree-optimization/21001
122         * tree-optimize.c (init_tree_optimization_passes): Move the
123         first pass_forwprop immediately before pass_vrp.
124
125 2005-04-17  Ian Lance Taylor  <ian@airs.com>
126
127         * c-common.def (SIZEOF_EXPR, ARROW_EXPR, ALIGNOF_EXPR): Remove.
128         * c-common.c (c_sizeof_or_alignof_type): Change second parameter
129         from enum tree_code op to bool is_sizeof.
130         * c-common.h (c_sizeof_or_alignof_type): Update declaration.
131         (c_sizeof, c_alignof): Update calls to c_sizeof_or_alignof_type.
132         * c-pretty-print.c (pp_c_postfix_expression): Remove ARROW_EXPR
133         case.
134         (pp_c_unary_expression): Remove SIZEOF_EXPR and ALIGNOF_EXPR
135         cases.
136         (pp_c_expression): Remove ARROW_EXPR, SIZEOF_EXPR, and
137         ALIGNOF_EXPR cases.
138
139 2005-04-17  Ian Lance Taylor  <ian@airs.com>
140
141         * system.h: Poison DONT_ACCESS_GBLS_AFTER_EPILOGUE.
142
143 2005-04-17  Richard Henderson  <rth@redhat.com>
144
145         * config/alpha/alpha.c (va_list_skip_additions): Only define if
146         TARGET_ABI_OSF.
147         (TARGET_STDARG_OPTIMIZE_HOOK): Likewise.
148         (alpha_stdarg_optimize_hook): Likewise.  Allow for one more round
149         of indirection through ssa names while looking for the gpr counter
150         field.
151         (alpha_setup_incoming_varargs) <TARGET_ABI_OSF>: Make use of the
152         saved va_list_gpr_size and va_list_fpr_size.
153
154 2005-04-17  Kazu Hirata  <kazu@cs.umass.edu>
155
156         * tree-vrp.c (compare_values): Check that VAL1 and VAL2 are
157         both pointers or both integers.
158
159         * tree-vrp.c (maybe_add_assert_expr): Don't assert
160         ASSERT_EXPRs for single-use variable.
161
162         * tree-into-ssa.c: Fix a comment typo.
163
164 2005-04-17  Richard Sandiford  <rsandifo@redhat.com>
165
166         * config/mips/iris6.h (DRIVER_SELF_SPECS): Check -march as well as
167         -mipsN before forcing a default of -mips2.
168
169 2005-04-17  Kazu Hirata  <kazu@cs.umass.edu>
170
171         * predict.h (IS_TAKEN): Remove.
172         * rtl.h (NOTE_PREDICTION): Likewise.
173
174         * modulo-sched.c (CFG_HOOKS): Remove.
175
176         * c-parser.c (N_C_TTYPES): Remove.
177
178         * tree-flow-inline.h (get_stmt_operands): Remove.
179         * lambda-code.c, tree-ssa-loop-unswitch.c,
180         tree-ssa-operands.c, tree-ssa-pre.c, tree-ssa-propagate.c,
181         tree-ssa-sink.c, tree-ssa.c, tree-tailcall.c,
182         tree-vect-transform.c, tree-vectorizer.c, tree-vrp.c): Remove
183         calls to get_stmt_operands.
184         * doc/tree-ssa.texi: Don't mention get_stmt_operands.
185
186 2005-04-17  Richard Henderson  <rth@redhat.com>
187
188         PR target/20375
189         * config/alpha/alpha.c (alpha_setup_incoming_varargs): Advance a copy
190         of CUMULATIVE_ARGS past the last named argument.
191         (alpha_va_start): Expect pretend_args_size only if strictly less than
192         6 named arguments.
193
194 2005-04-17  Kazu Hirata  <kazu@cs.umass.edu>
195
196         PR middle-end/21024
197         * builtins.c (expand_builtin_strcat): Convert the result of
198         strlen to the right type.
199         * fold-const.c (fold_binary) <PLUS_EXPR>: Use fold_convert to
200         avoid creating type mismatches.
201         <GE_EXPR>: Pass op0 and op1 to fold_build2 to avoid creating
202         type mismatches.
203
204         * c-lex.c (WCHAR_TYPE_SIZE, WCHAR_BYTES): Remove.
205
206 2005-04-16  Richard Henderson  <rth@redhat.com>
207
208         PR target/21051
209         * builtins.c (expand_builtin) <BUILT_IN_BOOL_COMPARE_AND_SWAP_*>:
210         Use the mode of boolean_type_node when the user doesn't provide one.
211         * config/ia64/sync.md (sync_lock_release<I48MODE>): Use operand 1.
212
213 2005-04-16  Alexandre Oliva  <aoliva@redhat.com>
214
215         PR target/20126
216         * loop.c (loop_givs_rescan): Handle non-replaceable (plus (reg)
217         (const)).
218
219         * tree-scalar-evolution.c (interpret_rhs_modify_expr): Fix typo in
220         comment.
221
222 2005-04-16  Roger Sayle  <roger@eyesopen.com>
223             Steven Bosscher  <stevenb@suse.de>
224
225         * fold-const.c (fold_binary_to_constant): Delete obsolete comment.
226         (fold_unary_to_constant): Likewise.
227
228 2005-04-16  Kazu Hirata  <kazu@cs.umass.edu>
229
230         * basic-block.h: Adjust the value of PROP_SCAN_DEAD_STORES,
231         PROP_ASM_SCAN.
232
233 2005-04-16  Gerald Pfeifer  <gerald@pfeifer.com>
234
235         * doc/install.texi (Specific): Avoid using asterisks in @anchor
236         names related to target triplets.
237         Remove i?86-*-esix from platform directory.
238         Remove powerpc-*-eabiaix from platform directory.
239
240 2005-04-16  Joseph S. Myers  <joseph@codesourcery.com>
241
242         PR middle-end/20491
243         * config/ia64/ia64.c (rtx_needs_barrier): Recurse instead of
244         falling through from SUBREG case to REG.
245
246 2005-04-15  Roger Sayle  <roger@eyesopen.com>
247
248         * fold-const.c (fold_relational_hi_lo): Delete function and prototype.
249         (fold_binary): Update comment mentioning fold_relational_hi_lo.
250         (fold_binary_to_constant): Simplify using fold_binary.
251         (fold_unary_to_constant): Likewise, simplify using fold_unary.
252
253 2005-04-15  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
254
255         * gthr-posix.c (pthread_cancel): Define.
256         (pthread_mutexattr_init): Likewise.
257         (pthread_mutexattr_settype): Likewise.
258         (pthread_mutexattr_destroy): Likewise.
259
260 2005-04-15  David S. Miller  <davem@davemloft.net>
261
262         PR target/20673
263         * config/sparc/sparc.h (sparc_hard_reg_printed): Mark as GTY(()).
264
265 2005-04-15  Kazu Hirata  <kazu@cs.umass.edu>
266
267         PR tree-optimization/21031
268         * tree-ssa-forwprop.c (ssa_name_defined_by_comparison_p): New.
269         (forward_propagate_into_cond_1): Call it.  Forward propagate
270         integer-integer casts into COND_EXPRs.
271
272 2005-04-15  Dave Korn  <dave.korn@artimi.com>
273
274         * gcc.c (default_compilers): Clarify obscure error message when
275         reading from standard input.
276
277 2005-04-15  Kazu Hirata  <kazu@cs.umass.edu>
278
279         * basic-block.h (PROP_EQUAL_NOTES): Remove.
280         * flow.c (propagate_one_insn): Don't use PROP_EQUAL_NOTES.
281
282         * tree-ssa-alias.c (init_alias_info): Remove a call to
283         get_stmt_operands.
284
285 2005-04-15  Andrew MacLeod  <amacleod@redhat.com>
286
287         * tree-vect-analyze.c (vect_stmt_relevant_p): Process immediate uses
288         of non-virtual PHI nodes like we use to.
289
290 2005-05-15  Paolo Bonzini  <bonzini@gnu.org>
291
292         * genattrtab.c (ATTR_EQ_ATTR_P): Remove.
293         (attr_copy_rtx): Do not use it.
294
295 2005-04-15  Andrew Macleod  <amacleod@redhat.com>
296
297         * doc/tree-ssa.texi: Grammer/abbreviation updates.
298
299 2005-04-15  Diego Novillo  <dnovillo@redhat.com>
300
301         * tree-vect-transform.c (vectorizable_store): Mark necessary
302         objects in the vectorized store needing renaming.  Update the
303         SSA graph for V_MAY_DEF operands in the original store.
304
305 2005-04-14  Daniel Berlin <dberlin@dberlin.org>
306
307         * tree-ssa-pre.c (compute_avail): It's okay to have
308         TREE_INVARIANT's here, and value number the resulting expressions.
309         (create_expression_by_pieces): Make sure operands that were
310         min_invariant when we started, stay that way.
311
312 2005-04-15  David Edelsohn  <edelsohn@gnu.org>
313
314         * doc/install.texi (*-ibm-aix*): Add comment about system limits.
315
316 2005-04-15  Kazu Hirata  <kazu@cs.umass.edu>
317
318         PR tree-optimization/20936.
319         * tree-ssa-ccp.c (visit_assignment): Fix a typo.
320
321 2005-04-15  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
322
323         * doc/invoke.texi: Fix typos.
324         * doc/md.texi: Likewise.
325         * doc/rtl.texi: Likewise.
326         * doc/sourcebuild.texi: Likewise.
327         * doc/tm.texi: Likewise.
328
329 2005-04-15  Uros Bizjak  <uros@kss-loka.si>
330
331         PR tree-optimization/21004
332         * convert.c (convert_to_integer): Convert ceilf, ceill, floorf
333         and floorl in c99 mode only.
334         * builtins.c (expand_builtin_int_roundingfn): Assert that
335         fallback_fndecl is not NULL_TREE.
336
337 2005-04-15  Kazu Hirata  <kazu@cs.umass.edu>
338
339         * cfgrtl.c (purge_all_dead_edge): Remove an unused argument.
340         * basic-block.h: Update the prototype for
341         purge_all_dead_edges.
342         * cfgexpand.c (tree_expand_cfg): Update a call to
343         purge_all_dead_edges.
344         * combine.c (combine_instructions): Likewise.
345         * passes.c (rest_of_handle_old_regalloc, rest_of_handle_cse,
346         rest_of_handle_cse2, rest_of_handle_gcse,
347         rest_of_handle_postreload): likewise.
348
349 2005-04-15  Alexandre Oliva  <aoliva@redhat.com>
350
351         PR middle-end/20739
352         * gimplify.c (gimplify_addr_expr): Compensate for removal of
353         e.g. cv-qualification conversions.
354
355 2005-04-14  Mike Stump  <mrs@apple.com>
356
357         * config/darwin-c.c (framework_construct_pathname): We must
358         find all headers of a framework in the first instance of it
359         found in the seach path.
360
361 2005-04-14  Kazu Hirata  <kazu@cs.umass.edu>
362
363         PR tree-optimization/21021
364         * tree-vrp.c (compare_values): Work around a bug in the front
365         end that produces a comparison of mismatched types.
366
367 2004-04-14  Richard Henderson  <rth@redhat.com>
368
369         * config/ia64/ia64.h (enum fetchop_code): Remove.
370         (enum ia64_builtins): Move ...
371         * config/ia64/ia64.c (enum ia64_builtins): ... here.  Remove all
372         members except BSP and FLUSHRS.
373         (ia64_init_builtins): Remove __sync builtins.
374         (ia64_expand_builtin): Likewise.
375         (ia64_expand_fetch_and_op, ia64_expand_op_and_fetch): Remove.
376         (ia64_expand_compare_and_swap, ia64_expand_lock_test_and_set): Remove.
377         (ia64_expand_lock_release): Remove.
378         * config/ia64/ia64.md (mf): Move to sync.md.
379         (mf_internal, fetchadd_acq_si, fetchadd_acq_di, cmpxchg_acq_si,
380         cmpxchg_acq_di, xchgsi, xchgdi): Likewise.
381         * config/ia64/sync.md: New file.
382         (memory_barrier): Rename from mf.
383         (fetchadd_acq_<I48MODE>): Macroize from _si/_di patterns.
384         (cmpxchg_acq_<I48MODE>): Likewise.
385         (sync_lock_test_and_set<I48MODE>): Likewise.
386
387         * config/ia64/ia64intrin.h: Define nothing for C; limit #defines
388         to c++.  Remove __sync* declarations.  s/_si/_4/.  s/_di/_8/.
389
390 2004-04-14  Richard Henderson  <rth@redhat.com>
391
392         * config/i386/i386.c (x86_cmpxchg, x86_xadd): New.
393         (ix86_compare_emitted): New.
394         (ix86_expand_compare): Use ix86_compare_emitted if set.
395         (ix86_expand_setcc): Only emit REG_EQUAL if both ix86_compare_op0
396         and ix86_compare_op0 are set.
397         * config/i386/i386.h (x86_cmpxchg, x86_xadd): Declare.
398         (TARGET_CMPXCHG, TARGET_XADD): New.
399         (ix86_compare_emitted): Declare.
400         * config/i386/i386.md: Include sync.md
401         (UNSPECV_CMPXCHG_1, UNSPECV_CMPXCHG_2): New.
402         (UNSPECV_XCHG, UNSPECV_LOCK): New.
403         * config/i386/sync.md: New file.
404
405 2004-04-14  Richard Henderson  <rth@redhat.com>
406
407         PR middle-end/14311
408         * builtin-types.def (BT_BOOL, BT_VOLATILE_PTR, BT_I1, BT_I2,
409         BT_I4, BT_I8, BT_FN_VOID_VPTR, BT_FN_I1_VPTR_I1, BT_FN_I2_VPTR_I2,
410         BT_FN_I4_VPTR_I4, BT_FN_I8_VPTR_I8, BT_FN_BOOL_VPTR_I1_I1,
411         BT_FN_BOOL_VPTR_I2_I2, BT_FN_BOOL_VPTR_I4_I4, BT_FN_BOOL_VPTR_I8_I8,
412         BT_FN_I1_VPTR_I1_I1, BT_FN_I2_VPTR_I2_I2, BT_FN_I4_VPTR_I4_I4,
413         BT_FN_I8_VPTR_I8_I8): New.
414         * builtins.def (DEF_SYNC_BUILTIN): New.
415         (BUILT_IN_FETCH_AND_ADD_N, BUILT_IN_FETCH_AND_ADD_1,
416         BUILT_IN_FETCH_AND_ADD_2, BUILT_IN_FETCH_AND_ADD_4,
417         BUILT_IN_FETCH_AND_ADD_8, BUILT_IN_FETCH_AND_SUB_N,
418         BUILT_IN_FETCH_AND_SUB_1, BUILT_IN_FETCH_AND_SUB_2,
419         BUILT_IN_FETCH_AND_SUB_4, BUILT_IN_FETCH_AND_SUB_8,
420         BUILT_IN_FETCH_AND_OR_N, BUILT_IN_FETCH_AND_OR_1,
421         BUILT_IN_FETCH_AND_OR_2, BUILT_IN_FETCH_AND_OR_4,
422         BUILT_IN_FETCH_AND_OR_8, BUILT_IN_FETCH_AND_AND_N,
423         BUILT_IN_FETCH_AND_AND_1, BUILT_IN_FETCH_AND_AND_2,
424         BUILT_IN_FETCH_AND_AND_4, BUILT_IN_FETCH_AND_AND_8,
425         BUILT_IN_FETCH_AND_XOR_N, BUILT_IN_FETCH_AND_XOR_1,
426         BUILT_IN_FETCH_AND_XOR_2, BUILT_IN_FETCH_AND_XOR_4,
427         BUILT_IN_FETCH_AND_XOR_8, BUILT_IN_FETCH_AND_NAND_N,
428         BUILT_IN_FETCH_AND_NAND_1, BUILT_IN_FETCH_AND_NAND_2,
429         BUILT_IN_FETCH_AND_NAND_4, BUILT_IN_FETCH_AND_NAND_8,
430         BUILT_IN_ADD_AND_FETCH_N, BUILT_IN_ADD_AND_FETCH_1,
431         BUILT_IN_ADD_AND_FETCH_2, BUILT_IN_ADD_AND_FETCH_4,
432         BUILT_IN_ADD_AND_FETCH_8, BUILT_IN_SUB_AND_FETCH_N,
433         BUILT_IN_SUB_AND_FETCH_1, BUILT_IN_SUB_AND_FETCH_2,
434         BUILT_IN_SUB_AND_FETCH_4, BUILT_IN_SUB_AND_FETCH_8,
435         BUILT_IN_OR_AND_FETCH_N, BUILT_IN_OR_AND_FETCH_1,
436         BUILT_IN_OR_AND_FETCH_2, BUILT_IN_OR_AND_FETCH_4,
437         BUILT_IN_OR_AND_FETCH_8, BUILT_IN_AND_AND_FETCH_N,
438         BUILT_IN_AND_AND_FETCH_1, BUILT_IN_AND_AND_FETCH_2,
439         BUILT_IN_AND_AND_FETCH_4, BUILT_IN_AND_AND_FETCH_8,
440         BUILT_IN_XOR_AND_FETCH_N, BUILT_IN_XOR_AND_FETCH_1,
441         BUILT_IN_XOR_AND_FETCH_2, BUILT_IN_XOR_AND_FETCH_4,
442         BUILT_IN_XOR_AND_FETCH_8, BUILT_IN_NAND_AND_FETCH_N,
443         BUILT_IN_NAND_AND_FETCH_1, BUILT_IN_NAND_AND_FETCH_2,
444         BUILT_IN_NAND_AND_FETCH_4, BUILT_IN_NAND_AND_FETCH_8,
445         BUILT_IN_BOOL_COMPARE_AND_SWAP_N, BUILT_IN_BOOL_COMPARE_AND_SWAP_1,
446         BUILT_IN_BOOL_COMPARE_AND_SWAP_2, BUILT_IN_BOOL_COMPARE_AND_SWAP_4,
447         BUILT_IN_BOOL_COMPARE_AND_SWAP_8, BUILT_IN_VAL_COMPARE_AND_SWAP_N,
448         BUILT_IN_VAL_COMPARE_AND_SWAP_1, BUILT_IN_VAL_COMPARE_AND_SWAP_2,
449         BUILT_IN_VAL_COMPARE_AND_SWAP_4, BUILT_IN_VAL_COMPARE_AND_SWAP_8,
450         BUILT_IN_LOCK_TEST_AND_SET_N, BUILT_IN_LOCK_TEST_AND_SET_1,
451         BUILT_IN_LOCK_TEST_AND_SET_2, BUILT_IN_LOCK_TEST_AND_SET_4,
452         BUILT_IN_LOCK_TEST_AND_SET_8, BUILT_IN_LOCK_RELEASE_N,
453         BUILT_IN_LOCK_RELEASE_1, BUILT_IN_LOCK_RELEASE_2,
454         BUILT_IN_LOCK_RELEASE_4, BUILT_IN_LOCK_RELEASE_8,
455         BUILT_IN_SYNCHRONIZE: New.
456         * builtins.c (called_as_built_in): Rewrite from CALLED_AS_BUILT_IN
457         as a function.  Accept __sync_ as a prefix as well.
458         (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
459         expand_builtin_lock_test_and_set, expand_builtin_synchronize,
460         expand_builtin_lock_release): New.
461         (expand_builtin): Call them.
462         * c-common.c (DEF_BUILTIN): Don't require __builtin_ prefix if
463         neither BOTH_P nor FALLBACK_P are defined.
464         (builtin_type_for_size): New.
465         (sync_resolve_size, sync_resolve_params, sync_resolve_return): New.
466         (resolve_overloaded_builtin): New.
467         * c-common.h (resolve_overloaded_builtin): Declare.
468         (builtin_type_for_size): Declare.
469         * c-typeck.c (build_function_call): Invoke resolve_overloaded_builtin.
470         * expr.c (sync_add_optab, sync_sub_optab, sync_ior_optab,
471         sync_and_optab, sync_xor_optab, sync_nand_optab, sync_old_add_optab,
472         sync_old_sub_optab, sync_old_ior_optab, sync_old_and_optab,
473         sync_old_xor_optab, sync_old_nand_optab, sync_new_add_optab,
474         sync_new_sub_optab, sync_new_ior_optab, sync_new_and_optab,
475         sync_new_xor_optab, sync_new_nand_optab, sync_compare_and_swap,
476         sync_compare_and_swap_cc, sync_lock_test_and_set,
477         sync_lock_release): New.
478         * optabs.h: Declare them.
479         * expr.h (expand_val_compare_and_swap, expand_bool_compare_and_swap,
480         expand_sync_operation, expand_sync_fetch_operation,
481         expand_sync_lock_test_and_set): Declare.
482         * genopinit.c (optabs): Add sync optabs.
483         * optabs.c (init_optabs): Initialize sync optabs.
484         (expand_val_compare_and_swap_1, expand_val_compare_and_swap,
485         expand_bool_compare_and_swap, expand_compare_and_swap_loop,
486         expand_sync_operation, expand_sync_fetch_operation,
487         expand_sync_lock_test_and_set): New.
488         * doc/extend.texi (Atomic Builtins): New section
489         * doc/md.texi (Standard Names): Add sync patterns.
490
491 2005-04-14  Alexandre Oliva  <aoliva@redhat.com>
492
493         * tree-eh.c (lower_try_finally_copy): Generate new code in
494         response to goto_queue entries as if the queue was sorted by
495         index, not pointers.
496         (lower_try_finally_switch): Likewise.
497
498 2005-04-14  Richard Henderson  <rth@redhat.com>
499
500         * config/i386/i386.c (ix86_expand_sse_cmp): Split out from ...
501         (ix86_expand_sse_movcc): ... here.  Take cmp as a pre-computed
502         register.
503         (ix86_expand_fp_movcc): Update to match.
504         (ix86_expand_fp_vcond, ix86_expand_int_vcond): New.
505         * config/i386/i386-protos.h: Update.
506         * config/i386/sse.md (vcondv4sf, vcondv2df): New.
507         (vcond<SSEMODE124>, vcondu<SSEMODE12>): New.
508
509 2005-04-14  Joseph S. Myers  <joseph@codesourcery.com>
510
511         * doc/cpp.texi, doc/install.texi: Change references to GCC 3.5 to
512         refer to 4.0.
513
514 2005-04-14  Julian Brown  <julian@codesourcery.com>
515
516         * Revert elfos.h part of my patch from 2005-04-13 for causing libstdc++
517         link failures on ppc64 Linux.
518
519 2005-04-14  Andreas Krebbel  <krebbel1@de.ibm.com>
520
521         * config.gcc: Set cpu_type for s390.
522
523 2005-04-14  Daniel Berlin  <dberlin@dberlin.org>
524
525         Fix PR tree-optimization/20963
526         * tree-ssa-pre.c (compute_avail): Remove special case for
527         TREE_INVARIANT.
528         (create_expression_by_pieces): Add value numbers for forced out
529         statements.
530
531 2005-04-14  Hans-Peter Nilsson  <hp@axis.com>
532
533         * config/cris/cris.md: Replace references to (reg:SI 16) with
534         (reg:SI CRIS_SRP_REGNUM).
535
536 2005-04-14  Kazu Hirata  <kazu@cs.umass.edu>
537
538         PR tree-optimization/20657
539         * tree-vrp.c (extract_range_from_expr): Notice INTEGER_CST to
540         create an appropriate range from it.
541
542 2005-04-14  Uros Bizjak  <uros@kss-loka.si>
543
544         * reg-stack.c (subst_stack_regs_pat): Handle <UNSPEC_FIST_FLOOR> and
545         <UNSPEC_FIST_CEIL> case.
546
547         * config/i386/i386.md (UNSPEC_FIST_FLOOR, UNSPEC_FIST_CEIL): New.
548         (*fist<mode>2_floor_1, fistdi2_floor, fistdi2_floor_with_temp)
549         (fist<mode>2_floor, fist<mode>2_floor_with_temp): New isns patterns
550         to implement lfloor and llfloor built-ins as x87 intrinsic function.
551         (fistdi2_floor, fist<mode>2_floor splitters): New splitters.
552         (lfloor<mode>2): New expanders.
553         (*fist<mode>2_ceil_1, fistdi2_ceil, fistdi2_ceil_with_temp)
554         (fist<mode>2_ceil, fist<mode>2_ceil_with_temp): New isns patterns
555         to implement lceil and llceil built-ins as x87 intrinsic function.
556         (fistdi2_ceil, fist<mode>2_ceil splitters): New splitters.
557         (lceil<mode>2): New expanders.
558
559 2005-04-14  Uros Bizjak  <uros@kss-loka.si>
560
561         * convert.c (convert_to_integer): Convert (long int)trunc{,f,l},
562         and (long long int)ceil{,f,l} into FIX_TRUNC_EXPR.
563
564 2005-04-14  Ulrich Weigand  <uweigand@de.ibm.com>
565
566         PR target/20927
567         * config/s390/s390-modes.def: Define TFmode.
568
569 2005-04-13  Richard Sandiford  <rsandifo@redhat.com>
570
571         * config/mips/mips.h (ASM_OUTPUT_CASE_LABEL): Delete.
572         (JUMP_TABLES_IN_TEXT_SECTION): Define.
573         * config/mips/mips.c (mips16_insn_length): Remove reference to
574         JUMP_TABLES_IN_TEXT_SECTION.
575
576 2005-04-13 Fariborz Jahanian <fjahanian@apple.com>
577
578         * simplify-rtx.c (simplify_binary_operation_1): Return
579         scalar or vector of constant 0, depending on the xor's
580         mode.
581
582 2005-04-13  Dale Johannesen  <dalej@apple.com>
583
584         * objc/Make-lang.in (objc-lang.o):  Depend on tree-gimple.h.
585         (objc-act.o):  Ditto.
586         * objc/objc-act.c (objc_gimplify_expr):  New.
587         (objc_get_callee_fndecl):  New.
588         * objc/objc-act.h:  Include tree-gimple.h.  Declare new functions.
589         * objc/objc-lang.c (LANG_HOOKS_GIMPLIFY_EXPR):  Define.
590         (LANG_HOOKS_GET_CALLEE_FNDECL):  Define.
591
592 2005-04-13  Devang Patel  <dpatel@apple.com>
593
594         * tree-if-conv.c (tree_if_convert_cond_expr): Do not create extra
595         temp variables.
596
597 2005-04-13  Hans-Peter Nilsson  <hp@axis.com>
598
599         CRIS prologue as RTL.
600         * config/cris/cris-protos.h (cris_emit_movem_store)
601         (cris_expand_prologue): Prototype.
602         * config/cris/cris.c (struct machine_function): New member
603         stdarg_regs.
604         (cfa_label_num, cris_target_asm_function_prologue): Remove.
605         (TARGET_ASM_FUNCTION_PROLOGUE): Don't override.
606         (cris_general_operand_or_gotless_symbol): Accept CRIS_UNSPEC_GOT.
607         (cris_load_multiple_op, cris_return_address_on_stack)
608         (cris_return_address_on_stack_for_return): ISO-Cify.
609         (cris_store_multiple_op): New predicate function.
610         (cris_expand_prologue, cris_emit_movem_store): New functions.
611         (cris_print_operand) <case 'O'>: Handle modifications other than
612         post-increment.
613         (cris_symbol, cris_got_symbol): Return 0 for CRIS_UNSPEC_GOT.
614         (cris_gotless_symbol): Return 1 for CRIS_UNSPEC_GOT.
615         (cris_gen_movem_load): Rearrange slightly to make local variable
616         src a parameter, removing osrc.
617         (cris_setup_incoming_varargs): Set machine_function member
618         stdarg_regs to correspond to the number of registers that need to
619         be saved.
620         * config/cris/cris.h (EXTRA_CONSTRAINT_S): Accept
621         CRIS_UNSPEC_GOT.
622         (PREDICATE_CODES): Add cris_store_multiple_op.  Make
623         cris_general_operand_or_gotless_symbol accept UNSPEC.
624         * config/cris/cris.md (CRIS_UNSPEC_GOT): New constant.
625         ("*movsi_internal") <alternative 8>: Handle CRIS_UNSPEC_GOT.
626         ("*cris_store_multiple"): New pattern.  Tweak common comment above
627         this and "*cris_load_multiple".
628         ("prologue"): New define_expand.
629
630         * config/cris/cris.md ("epilogue"): Conditionalize on
631         TARGET_PROLOGUE_EPILOGUE.
632
633 2005-04-13  Steve Ellcey  <sje@cup.hp.com>
634
635         PR target/20924
636         * config/ia64/ia64.md (divsf3_internal_lat): Generate frcpa with
637         fpsr 0 instead of fpsr 1.
638         (divsf3_internal_thr): Ditto.
639         (divdf3_internal_lat): Ditto.
640         (divdf3_internal_thr): Ditto.
641         (divxf3_internal_lat): Ditto.
642         (divxf3_internal_thr): Ditto.
643
644 2005-04-13  Kazu Hirata  <kazu@cs.umass.edu>
645
646         PR tree-optimization/20913
647         * tree-ssa-copy.c (copy_prop_visit_cond_stmt): Fold COND_EXPR.
648
649         PR tree-optimization/20702
650         * tree-vrp.c (maybe_add_assert_expr): Recurse into
651         dominator children that haven't been walked into.
652
653 2005-04-13  Julian Brown  <julian@codesourcery.com>
654
655         * config/elfos.h (MAKE_DECL_ONE_ONLY): Redefined to stop DECL_WEAK from
656         being used for symbols with vague linkage when HAVE_GAS_COMDAT_GROUP
657         is true.
658
659 2005-04-13  Kazu Hirata  <kazu@cs.umass.edu>
660
661         * basic-block.h, tree-ssa-uncprop.c, varasm.c,
662         config/i386/sse.md: Fix comment typos.
663
664         * genattrtab.c (NULL_ATTR): Remove.
665         * ifcvt.c (NULL_EDGE): Likewise.
666
667         * rtl.h (RTX_EXPR_FIRST, RTX_EXPR_LAST): Remove.
668
669         * rtl.h (NOTE_PREDICTION_ALG, NOTE_PREDICTION_FLAGS,
670         NOTE_PREDICT): Remove.
671
672 2005-04-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
673
674         * configure.ac (gcc_AC_CHECK_DECLS): Add vsnprintf.
675         * configure: Regenerate.
676         * config.in: Likewise.
677         * system.h: Declare vsnprintf if not already declared.
678
679 2005-04-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
680
681         * optc-gen.awk: Handle stand-alone Mask records.
682         * opth-gen.awk: Likewise.
683         * doc/options.texi (Option file format): Document them.
684         * config.gcc (sparc-*-netbsdelf*, sparc-*-linux*, sparc64-*-freebsd*,
685         sparc64-*-linux*, sparc64-*-netbsd*): Add long-double-switch.opt.
686         (sparc64-*-openbsd*, sparc64-*-elf*): Add little-endian.opt.
687         * config/sparc/sparc.h (MASK_FPU, MASK_UNALIGNED_DOUBLES,
688         MASK_V8, MASK_SPARCLITE, MASK_SPARCLET, MASK_V9,
689         MASK_DEPRECATED_V8_INSNS, MASK_IMPURE_TEXT, MASK_APP_REGS,
690         MASK_HARD_QUAD, MASK_LITTLE_ENDIAN, MASK_PTR64, MASK_64BIT,
691         MASK_STACK_BIAS, MASK_FPU_SET, MASK_VIS, MASK_V8PLUS,
692         MASK_FASTER_STRUCTS, MASK_LONG_DOUBLE_128): Delete.
693         (TARGET_FPU, TARGET_UNALIGNED_DOUBLES, TARGET_V8, TARGET_SPARCLITE,
694         TARGET_SPARCLET, TARGET_V9, TARGET_DEPRECATED_V8_INSNS,
695         TARGET_IMPURE_TEXT, TARGET_APP_REGS, MASK_HARD_QUAD,
696         TARGET_LITTLE_ENDIAN, TARGET_PTR64, TARGET_64BIT, MASK_STACK_BIAS,
697         TARGET_FPU_SET, TARGET_VIS, TARGET_V8PLUS, TARGET_FASTER_STRUCTS,
698         TARGET_LONG_DOUBLE_128): Likewise.
699         (TARGET_SWITCHES, SUBTARGET_SWITCHES): Likewise.
700         (TARGET_OPTIONS, SUBTARGET_OPTIONS): Likewise.
701         * config/sparc/freebsd.h (SUBTARGET_SWITCHES): Likewise.
702         * config/sparc/linux.h (SUBTARGET_SWITCHES): Likewise.
703         * config/sparc/linux64.h (SUBTARGET_SWITCHES): Likewise.
704         * config/sparc/netbsd-elf.h (SUBTARGET_SWITCHES): Likewise.
705         * config/sparc/sp64-elf.h (SUBTARGET_SWITCHES): Likewise.
706         * config/sparc/sparc.c (fpu_option_set): New global.
707         (sparc_handle_option): New function.
708         (sparc_override_options): Test fpu_option_set.
709         (TARGET_DEFAULT_TARGET_FLAGS): Set to TARGET_DEFAULT.
710         (TARGET_HANDLE_OPTION): Set to sparc_handle_option.
711         * config/sparc/sparc.opt: New file.
712         * config/sparc/little-endian.opt: Likewise.
713         * config/sparc/long-double-switch.opt: Likewise.
714
715 2005-04-13  Bernd Schmidt  <bernd.schmidt@analog.com>
716
717         * config/bfin/bfin.c (bfin_lib_id_given): New static variable.
718         (bfin_handle_options): Set it if -mshared-library-id= is seen.
719         * config/bfin/bfin.opt (mshared-library-id=): Lose
720         Var(bfin_lib_id_given).
721
722 2005-04-13  Matt Thomas  <matt@3am-software.com>
723
724         * config/rs6000/sysv4.h (NO_IMPLICIT_EXTERN_C): undefine before
725         defining.
726
727 2005-04-13  Kazu Hirata  <kazu@cs.umass.edu>
728
729         * rtl.h (CLEAR_RTX_FLAGS): Remove.
730
731         * cgraphunit.c (INSNS_PER_CALL): Remove.
732
733         * tree-ssa-forwprop.c (vars,
734         record_single_argument_cond_exprs,
735         substitute_single_use_vars): Remove.
736         (forward_propagate_into_cond_1, forward_propagate_into_cond):
737         New.
738         (tree_ssa_forward_propagate_single_use_vars): Call
739         forward_propagate_into_cond for each COND_EXPR.
740
741         * tree-inline.c (INSNS_PER_STMT): Remove.
742
743 2005-04-12  Richard Henderson  <rth@redhat.com>
744
745         * config/i386/i386.c (ix86_prepare_sse_fp_compare_args): Split ...
746         (ix86_expand_sse_fp_minmax): ... from ...
747         (ix86_expand_fp_movcc): ... here.
748         (ix86_expand_sse_movcc): Rewrite from ix86_split_sse_movcc.
749         * config/i386/i386-protos.h: Update.
750         * config/i386/i386.md (UNSPEC_IEEE_MIN, UNSPEC_IEEE_MAX): New.
751         (sse_setccsf, sse_setccdf): Allow before reload.
752         (movsfcc_1_sse_min, movsfcc_1_sse_max, movsfcc_1_sse): Remove.
753         (movdfcc_1_sse_min, movdfcc_1_sse_max, movdfcc_1_sse): Remove.
754         (ieee_sminsf3, ieee_smaxsf3, ieee_smindf3, ieee_smaxdf3): New.
755         * config/i386/sse.md (andsf3, nandsf3, iorsf3, xorsf3): New.
756         (anddf3, nanddf3, iordf3, xordf3): New.
757
758 2005-04-12  Jeff Law  <law@redhat.com>
759
760         * Makefile.in (OBJS-common): Add tree-ssa-uncprop.o.
761         (tree-ssa-uncprop.o): Add dependencies.
762         * tree-cfg.c (remove_useless_stmts_bb, remove_useless_stmts): Remove.
763         * tree-flow.h (remove_useless_stmts): Remove prototype.
764         * tree-outof-ssa.c (rewrite_out_of_ssa): Remove call to
765         remove_useless_stmts.
766         * timevar.def (TV_TREE_SSA_UNCPROP): New timevar.
767         * tree-optimize.c (init_tree_optimization_passes): Add uncprop pass.
768         * tree-pass.h (pass_uncprop): Declare.
769         * tree-ssa-uncprop.c: New file.
770
771 2005-04-12  James E. Wilson  <wilson@specifixinc.com>
772
773         PR target/20670
774         * unwind-ia64.c (uw_intall_context): Add missing load of r27.
775
776 2005-04-12  Caroline Tice  <ctice@apple.com>
777
778         Temporary fix for partitioning problems.
779         * passes.c (rest_of_handle_final): Remove code that
780         frees unlikely_text_section_name,
781         * varasm.c (assemble_start_function): Test for partitioning
782         flag before writing out section labels.
783         (assemble_end_function): Test for partitioning flag before
784         writing out section labels.
785
786 2005-04-12  Steven Bosscher  <stevenb@suse.de>
787             Stuart Hastings <stuart@apple.com>
788             Jan Hubicka  <jh@suse.cz>
789
790         * Makefile.in: Add function.h to BASIC_BLOCK_H.  Remove all
791         references to gt-tree-cfg.h.
792         * basic-block.h (struct basic_block_def): Don't skip rbi
793         for garbage collection.
794         (struct reorder_block_def): Make GTY-able.
795         (struct control_flow_graph): New structure.
796         (n_edges, n_basic_blocks, last_basic_block, basic_block_info,
797         BASIC_BLOCK, EXIT_BLOCK_PTR, ENTRY_BLOCK_PTR): No longer vars,
798         but instead defines to the control_flow_graph for cfun.
799         (label_to_block_map): New define, points to the label map of
800         the control_flow_graph for cfun.
801         (n_edges_for_function, n_basic_blocks_for_function,
802         last_basic_block_for_function, basic_block_info_for_function,
803         EXIT_BLOCK_PTR_FOR_FUNCTION, ENTRY_BLOCK_PTR_FOR_FUNCTION,
804         basic_block_info_for_function, label_to_block_map_for_function):
805         Counterparts for the above, taking a struct function as an extra
806         argument.
807         (alloc_rbi_pool, free_rbi_pool): Remove prototypes.
808         * cfg.c: (n_edges, n_basic_blocks, last_basic_block,
809         basic_block_info, ENTRY_BLOCK_PTR, EXIT_BLOCK_PTR): Remove.
810         (alloc_rbi_pool, free_rbi_pool): Remove.
811         (initialize_bb_rbi): Use ggc_alloc_cleared instead of pool_alloc.
812         * cfglayout.c: (cfg_layout_initialize): Don't allocate the rbi pool
813         here...
814         (cfg_layout_finalize) ... and don't free it here.
815         * cfgrtl.c (cfg_layout_delete_block): Zero out rbi so it gets
816         garbage collected.
817         * flow.c (free_basic_block_vars): Set label_to_block_map and
818         n_edges to zero too.
819         * function.h (struct function): Add cfg field.
820         * function.c (allocate_struct_function): Allocate the cfg.
821         * tree-cfg.c (label_to_block_map): Remove.
822         (build_tree_cfg): Don't allocate the rbi pool here...
823         (delete_tree_cfg_annotations): ...and don't free it here.
824         Also don't nullify label_to_block_map for cfun.
825
826 2005-04-12  Caroline Tice  <ctice@apple.com>
827
828         * bb-reorder.c (find_rarely_executed_basic_blocks_and_crossing_edges):
829         Revert my patch from April 9.
830         (fix_edges_for_rarely_executed_code): Revert my patch from April 9.
831         (reorder_basic_blocks): Revert my patch from April 9.
832         (insert_section_boundary_note): Revert my patch from April 9.
833         * dbxout.c (dbxout_function_end): Revert my patch from April 9.
834         * dwarf2out.c (COLD_TEXT_SECTION_LABEL): Revert my patch from April 9.
835         (COLD_END_LABEL):  Revert my patch from April 9.
836         (cold_text_section_label):  Revert my patch from April 9.
837         (cold_end_label): Revert my patch from April 9.
838         (dwarf2out_switch_text_section): Revert my patch from April 9.
839         (output_aranges): Revert my patch from April 9.
840         (output_ranges):  Revert my patch from April 9.
841         (output_line_info): Revert my patch from April 9.
842         (add_location_or_const_value_attribute):  Revert my patch from April 9.
843         (dwarf2out_var_location): Revert my patch from April 9.
844         (dwarf2out_init):  Revert my patch from April 9.
845         (dwarf2out_finish): Revert my patch from April 9.
846         * function.h (struct function): Revert my patch from April 9.
847         * opts.c (decode_options): Revert my patch from April 9.
848         * output.h (unlikely_section_label, hot_section_label,
849         hot_section_end_label, cold_section_end_label,
850         unlikely_text_section_name): Revert my patch from April 9.
851         * passes.c (rest_of_handle_final): Revert my patch from April 9.
852         * varasm.c (unlikely_section_label, hot_section_label,
853         hot_section_end_label, cold_section_end_label,
854         unlikely_text_section_name): Revert my patch from April 9.
855         (initialize_cold_section_name): Revert my patch from April 9.
856         (unlikely_text_section): Revert my patch from April 9.
857         (in_unlikely_text_section): Revert my patch from April 9.
858         (named_section): Revert my patch from April 9.
859         (function_section): Revert my patch from April 9.
860         (current_function_section): Revert my patch from April 9.
861         (assemble_start_function): Revert my patch from April 9.
862         (assemble_end_function): Revert my patch from April 9.
863         (default_section_type_flags_1): Revert my patch from April 9.
864
865 2005-04-12  Eric Botcazou  <ebotcazou@libertysurf.fr>
866
867         * config/sparc/sparc.h (APPLY_RESULT_SIZE): Set to 24 in 64-bit mode.
868         * config/sparc/sparc.md (untyped_call): Save the registers manually.
869
870         * config/sparc/sparc.c (legitimate_address_p): Use TARGET_ARCH32.
871
872 2005-04-12  Ulrich Weigand  <uweigand@de.ibm.com>
873
874         PR middle-end/20917
875         * config/s390/s390.md ("*set_tp"): Use SET in pattern.
876         ("set_tp_64", "set_tp_31"): Adapt expanded pattern.
877
878 2004-04-12  Richard Henderson  <rth@redhat.com>
879
880         * config/i386/i386.md (UNSPEC_FIX, UNSPEC_MOVA, UNSPEC_SHUFFLE,
881         UNSPEC_PSHUFLW, UNSPEC_PSHUFHW, UNSPEC_ADDSUB, UNSPEC_HADD,
882         UNSPEC_HSUB, UNSPEC_MOVSHDUP, UNSPEC_MOVSLDUP, UNSPEC_MOVDDUP): Remove.
883         (UNSPEC_*, UNSPECV_*): Renumber.
884
885 2005-04-12  Frank Ch. Eigler  <fche@redhat.com>
886
887         PR mudflap/19266
888         From Richard Henderson <rth@redhat.com>:
889         * tree-mudflap.c (mf_build_check_statement_for): Correct block
890         splitting logic.
891
892 2005-04-12  Dorit Naishlos  <dorit@il.ibm.com>
893
894         * tree-cfg.c (tree_verify_flow_info): Use LABEL_EXPR_LABEL.
895
896 2005-04-12  Bernd Schmidt  <bernd.schmidt@analog.com>
897
898         * config/bfin/bfin.c (bfin_library_id_string): Remove.
899         (bfin_library_id): New variable.
900         (bfin_expand_prologue): Use bfin_library_id and bfin_lib_id_given
901         instead of bfin_library_id_string.
902         (bfin_handle_option): New function.
903         (override_options): Remove most code to deal with shared library IDs,
904         just check they aren't used without -mid-shared-library.
905         (TARGET_HANDLE_OPTION): Define.
906         * config/bfin/bfin.h (TARGET_OPTIONS): Delete macro.
907         * config/bfin/bfin.opt (mshared-library-id=): New.
908
909 2005-04-12  Kazu Hirata  <kazu@cs.umass.edu>
910
911         * tree-vect-transform.c: Fix comment typos.
912
913 2005-04-12 Mostafa Hagog <mustafa@il.ibm.com>
914
915         * postreload-gcse.c (eliminate_partially_redundant_load): Don't
916         split critical edges when not possible/profitable.
917
918 2005-04-12  Richard Sandiford  <rsandifo@redhat.com>
919
920         * config/ns32k/ns32k.h (target_flags, MASK_32081, MASK_RTD)
921         (MASK_REGPARM, MASK_32532, MASK_32332, MASK_NO_SB, MASK_NO_BITFIELD)
922         (MASK_HIMEM, MASK_32381, MASK_MULT_ADD, MASK_SRC, MASK_IEEE_COMPARE)
923         (TARGET_32081, TARGET_32381, TARGET_MULT_ADD, TARGET_RTD)
924         (TARGET_REGPARM, TARGET_32532, TARGET_32332, TARGET_SB, TARGET_HIMEM)
925         (TARGET_BITFIELD, TARGET_IEEE_COMPARE, TARGET_SWITCHES): Delete.
926         (OVERRIDE_OPTIONS): Clear MASK_SB instead of setting MASK_NO_SB.
927         * config/ns32k/netbsd.h (TARGET_DEFAULT): Remove MASK_NO_SB and
928         MASK_NO_BITFIELD.
929         * config/ns32k/ns32k.c (ns32k_handle_option): New function.
930         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
931         * config/ns32k/ns32k.opt: New file.
932
933 2005-04-12  Richard Sandiford  <rsandifo@redhat.com>
934
935         * config.gcc (m68k-*-linux*): Add m68k/ieee.opt to $extra_options.
936         * config/m68k/m68k.h (target_flags, MASK_68020, TARGET_68020)
937         (MASK_68030, TARGET_68030, MASK_68040, TARGET_68040, MASK_68040_ONLY)
938         (TARGET_68040_ONLY, MASK_68060, TARGET_68060, MASK_5200, TARGET_5200)
939         (MASK_CFV3, TARGET_CFV3, MASK_CFV4, TARGET_CFV4, MASK_528x)
940         (TARGET_528x, MASK_CF_HWDIV, TARGET_CF_HWDIV, MASK_68881, TARGET_68881)
941         (MASK_BITFIELD, TARGET_BITFIELD, MASK_SHORT, TARGET_SHORT)
942         (MASK_ALIGN_INT, TARGET_ALIGN_INT, MASK_PCREL, TARGET_PCREL)
943         (MASK_NO_STRICT_ALIGNMENT, TARGET_STRICT_ALIGNMENT, MASK_RTD)
944         (TARGET_RTD, MASK_SEP_DATA, TARGET_SEP_DATA, MASK_ID_SHARED_LIBRARY)
945         (TARGET_ID_SHARED_LIBRARY, MASK_ALL_CF_BITS, TARGET_SWITCHES)
946         (TARGET_OPTIONS, SUBTARGET_SWITCHES, SUBTARGET_OPTIONS): Delete.
947         (MASK_COLDFIRE): Formatting fixes.
948         (TARGET_COLDFIRE): Turn into a boolean value for consistency.
949         * config/m68k/linux.h (SUBTARGET_SWITCHES): Delete.
950         * config/m68k/m68k.c (m68k_library_id_string): Initialize to
951         "_current_shared_library_a5_offset_".
952         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
953         (MASK_ALL_CPU_BITS): New macro.
954         (m68k_handle_option): New function.
955         (override_options): Remove handling of m68k_library_id_string.
956         * config/m68k/m68k.opt: New file.
957         * config/m68k/ieee.opt: New file.
958
959 2005-04-11  Mark Mitchell  <mark@codesourcery.com>
960
961         * target-def.h (TARGET_CXX_EXPORT_CLASS_DATA): Remove.
962         (TARGET_CXX_DETERMINE_CLASS_VISIBILITY): New macro.
963         (TARGET_CXX_CLASS_DATA_ALWAYS_COMDAT): Likewise.
964         (TARGET_CXX): Adjust accordingly.
965         * target.h (struct gcc_target): Remove epxort_class_data.  Add
966         determine_class_data_visibility and class_data_always_comdat.
967         * doc/tm.texi (TARGET_CXX_EXPORT_CLASS_DATA): Remove.
968         (TARGET_CXX_DETERMINE_CLASS_DATA_VISIBILITY): Document.
969         (TARGET_CXX_CLASS_DATA_ALWAYS_COMDAT): Likewise.
970         * config/arm/arm.c (arm_cxx_export_class_data): Remove.
971         (arm_cxx_determine_class_data_visibility): New.
972         (arm_cxx_class_data_always_comdat): Likewise.
973         (TARGET_CXX_EXPORT_CLASS_DATA): Remove.
974         (TARGET_CXX_DETERMINE_CLASS_DATA_VISIBILITY): Define.
975         (TARGET_CXX_CLASS_DATA_ALWAYS_COMDAT): Likewise.
976         * config/arm/arm.h (TARGET_ARM_DYNAMIC_VAGUE_LINKAGE_P): Define.
977         * config/arm/symbian.h (TARGET_ARM_DYNAMIC_VAGUE_LINKAGE_P):
978         Define.
979
980 2005-04-11  Devang Patel  <dpatel@apple.com>
981
982         * tree-data-ref.c (build_classic_dist_vector,
983         compute_subscript_distance): Make externally visible.
984         * tree-data-ref.h (build_classic_dist_vector,
985         compute_subscript_distance): Same.
986         * tree-vect-analyze.c (vect_analyze_data_ref_dependence):
987         Check distance vector against vectorization factor.
988         (vect_analyze_loop): Determine vectorizaion factor before
989         analyzing data dependences.
990         * tree-vectorizer.c (loops_num): Make it externally visible and
991         rename ...
992         * tree-vectorizer.c (vect_loops_num): ... new name.
993         * tree-vectorizer.h  (vect_loops_num): New.
994
995 2005-04-11  Devang Patel  <dpatel@apple.com>
996
997         * tree-vect-analyze.c (vect_analyze_operations): Check
998         vectorizable codition.
999         * tree-vect-transform.c (vect_is_simple_cond): New function.
1000         (vectorizable_condition): New function.
1001         (vect_transform_stmt): Handle condition_vec_info_type.
1002         * tree-vectorizer.h (enum stmt_vec_info_type): Add
1003         condition_vec_info_type.
1004         (vectorizable_condition): New.
1005
1006 2005-04-11  Geoffrey Keating  <geoffk@apple.com>
1007
1008         * config/i386/i386.h (TARGET_FPMATH_DEFAULT): New.
1009         * config/i386/darwin.h (TARGET_FPMATH_DEFAULT): New.
1010         * config/i386/i386.c (override_options): Use TARGET_FPMATH_DEFAULT.
1011
1012         * config/i386/darwin.h (ASM_SPEC): Use -arch i386 not -arch i686.
1013         (SUBTARGET_EXTRA_SPECS): Always 'i386'.
1014
1015         * dwarf2out.c (output_line_info): Don't try to dereference
1016         a NULL current_function_decl.
1017
1018         * config/t-slibgcc-darwin: Don't put shared libraries in
1019         directories other than $(slibdir).
1020         * config/rs6000/darwin.h: Find -m64 libgcc under the name the
1021         OS uses for it.
1022
1023 2005-04-11  Diego Novillo  <dnovillo@redhat.com>
1024
1025         PR tree-optimization/20933
1026         * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Move
1027         logic to reject aliases between read-only and writable
1028         variables ...
1029         (may_alias_p): ... here.
1030         (get_tmt_for): Do not associate read-only tags to pointers
1031         whose pointed-to type is not read-only.
1032         * tree-ssa.c (verify_ssa): Check that memory stores have at
1033         least one V_MAY_DEF or V_MUST_DEF.
1034
1035 2005-04-11  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1036
1037         PR/17092
1038         * configure.ac (gcc_UNLOCKED_FUNCS): New.
1039         (AC_CHECK_FUNCS, AC_CHECK_DECLS): Check for gcc_UNLOCKED_FUNCS.
1040         * system.h (putchar, getc, getchar, clearerr, feof, fileno,
1041         fflush, fgetc, fgets, ferror, fread): Redefine to the associated
1042         _unlocked function.
1043         (fwrite_unlocked): Fix prototype.
1044
1045         * configure, config.in: Regenerate.
1046
1047 2005-04-11  David Edelsohn  <edelsohn@gnu.org>
1048
1049         * tree-ssa-loop-im.c: Include real.h.
1050         (determine_invariantness_stmt): If real division divisor is
1051         invariant and flag_unsafe_math_optimizations enabled, generate
1052         invariant reciprocal for hoisting.
1053         * Makefile.in (tree-ssa-loop-im.o): Add real.h dependency.
1054
1055 2005-04-11  Daniel Berlin  <dberlin@dberlin.org>
1056
1057         Fix PR tree-optimization/20926
1058
1059         * tree-ssa-alias.c (add_type_alias): Handle subvars.
1060
1061 2005-04-11  Devang Patel  <dpatel@apple.com>
1062
1063         * config/rs6000.c (rs6000_emit_vector_select): Fix vector select
1064         operand ordering.
1065
1066 2005-04-11  Andrew Pinski  <pinskia@physics.uc.edu>
1067
1068         * fold-const.c (fold_binary_op_with_conditional_arg):
1069         use fold_buildN instead of "fold (buildN" in some
1070         non obvious places.
1071         (fold_unary): Likewise.
1072         (fold_binary): Likewise.
1073
1074 2005-04-11  Daniel Berlin  <dberlin@dberlin.org>
1075
1076         Fix PR tree-optimization/20612
1077         * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Fix increment
1078         handling
1079         (perfect_nestify): preheaderbb is *not* part of loop of the
1080         old destination.
1081
1082 2005-04-11  Andrew Pinski  <pinskia@physics.uc.edu>
1083
1084         * tree-ssa-alias.c (may_alias_p): If the variable
1085         is a global variable and the pointer is parameter
1086         and -fargument-noalias-global is used, then
1087         the pointer cannot alias the variable.
1088
1089 2005-04-11  James A. Morrison  <phython@gcc.gnu.org>
1090
1091         * config/sparc/sparc.c: Use gcc_assert and gcc_unreachable.
1092         * config/sparc/sparc.h: Likewise.
1093         * config/sparc/sparc.md: Likewise.
1094
1095 2005-04-11  Kazu Hirata  <kazu@cs.umass.edu>
1096
1097         * tree-vrp.c (maybe_add_assert_expr): Move a comment.
1098
1099         * tree-vrp.c: Fix a comment typo.
1100
1101 2005-04-11  Diego Novillo  <dnovillo@redhat.com>
1102
1103         PR tree-optimization/20920
1104         * tree-pretty-print.c (dump_generic_node): Show '(ab)' if an
1105         SSA_NAME flows through an abnormal edge.
1106         * tree-vrp.c (infer_value_range): Ignore SSA names that flow
1107         through abnormal edges.
1108         (maybe_add_assert_expr): Likewise.
1109
1110 2005-04-11  Richard Sandiford  <rsandifo@redhat.com>
1111
1112         * config/s390/s390.h (s390_tune_string, s390_arch_string)
1113         (s390_warn_framesize_string, s390_warn_dynamicstack_string)
1114         (s390_stack_size_string, s390_stack_guard_string, target_flags)
1115         (MASK_HARD_FLOAT, MASK_SMALL_EXEC, MASK_DEBUG_ARG, MASK_64BIT)
1116         (MASK_ZARCH, MASK_MVCLE, MASK_TPF_PROFILING, MASK_NO_FUSED_MADD)
1117         (MASK_BACKCHAIN, MASK_PACKED_STACK, TARGET_HARD_FLOAT)
1118         (TARGET_SOFT_FLOAT, TARGET_SMALL_EXEC, TARGET_DEBUG_ARG)
1119         (TARGET_64BIT, TARGET_ZARCH, TARGET_MVCLE, TARGET_TPF_PROFILING)
1120         (TARGET_NO_FUSED_MADD, TARGET_FUSED_MADD, TARGET_BACKCHAIN)
1121         (TARGET_PACKED_STACK, TARGET_SWITCHES, TARGET_OPTIONS): Delete.
1122         * config/s390/s390.c (TARGET_DEFAULT_TARGET_FLAGS): Override default.
1123         (TARGET_HANDLE_OPTION): Likewise.
1124         (s390_tune): Initialize to PROCESSOR_max.
1125         (s390_arch_string): Make static.
1126         (s390_tune_string, s390_warn_framesize_string): Delete.
1127         (s390_warn_dynamicstack_string, s390_stack_size_string): Delete.
1128         (s390_stack_guard_string, s390_warn_dynamicstack_p): Delete.
1129         (s390_handle_arch_option, s390_handle_option): New functions.
1130         (override_options): Remove parsing of option strings.
1131         * config/s390/s390.opt: New file.
1132
1133 2005-04-11  Paolo Bonzini  <bonzini@gnu.org>
1134
1135         * tree-complex.c (expand_vector_operations): Call
1136         update_stmt_if_modified.
1137
1138 2005-04-11  Paolo Bonzini  <bonzini@gnu.org>
1139
1140         * tree-vect-analyze (vect_determine_vectorization_factor):
1141         Do not use GET_MODE_NUNITS.
1142         * tree-vect-transform.c (vect_get_vec_def_for_operand,
1143         (vectorizable_load, vect_transform_loop): Likewise.
1144
1145 2005-04-11  Uros Bizjak  <uros@kss-loka.si>
1146
1147         * builtins.def (BUILT_IN_LCEIL, BUILT_IN_LCEILF, BUILT_IN_LCEILL)
1148         (BUILT_IN_LLCEIL, BUILT_IN_LLCEILF, BUILT_IN_LLCEILL): New.
1149         * optabs.h (enum optab_index): Add new OTI_lceil.
1150         (lceil_optab): Define corresponding macro.
1151         * optabs.c (init_optabs): Initialize lceil_optab.
1152         * genopinit.c (optabs): Implement lceil_optab using lceilsi2
1153         and lceildi2 patterns.
1154         * builtins.c (expand_builtin_int_roundingfn): Handle
1155         BUILT_IN_LCEIL{,F,L} and BUILT_IN_LLCEIL{,F,L}.
1156         (fold_builtin_int_roundingfn): Handle BUILT_IN_LCEIL{,F,L} and
1157         BUILT_IN_LLCEIL{,F,L}.
1158         (fold_builtin_1): Fold BUILT_IN_LCEIL{,F,L} and
1159         BUILT_IN_LLCEIL{,F,L} using fold_builtin_int_roundingfn.
1160         (mathfn_built_in): Handle BUILT_IN LCEIL and BUILT_IN_LLCEIL.
1161         (expand_builtin): Expand BUILT_IN_LCEIL{,F,L} and
1162         BUILT_IN_LLCEIL{,F,L} using expand_builtin_int_roundingfn.
1163         * convert.c (convert_to_integer): Convert (long int)ceil{,f,l},
1164         into lceil built-in function and (long long int)ceil{,f,l} into
1165         llceil built-in function.
1166         * fold-const.c (tree_expr_nonnegative_p): Add BUILT_IN_LCEIL and
1167         BUILT_IN_LLCEIL.
1168
1169 2005-04-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1170
1171         * pa/quadlib.c (_U_Qfneg): Toggle sign bit instead of subtracting from
1172         zero.
1173
1174 2005-04-10  Kazu Hirata  <kazu@cs.umass.edu>
1175
1176         * config/arm/arm.c: Fix a comment typo.
1177         * doc/tree-ssa.texi: Fix a typo.
1178
1179 2005-04-10  Steven Bosscher  <stevenb@suse.de>
1180
1181         * cselib.c (clear_table): Rename to cselib_clear_table.
1182         * cselib.h (cselib_clear_table): Add prototype.
1183         * gcse.c (gcse_main): Make 'f' argument unused.
1184         (alloc_gcse_mem): Do not walk the insn chain, walk the contents
1185         of each basic block instead.
1186         (compute_sets, compute_hash_table_work): Likewise.
1187         (constprop_register): Change int 'alter_jumps' argument to bool.
1188         (do_local_cprop): Likewise.
1189         (local_cprop_pass): Likewise.  Also walk basic blocks instead of
1190         the insn chain.  Explicitly clear the cselib tables after finishing
1191         one basic block.  Make sure there are no unterminated libcall blocks.
1192         Update compute_sets call.
1193         (cprop): Walk basic blocks instead of the insn chain.
1194         (one_cprop_pass, compute_ld_motion_mems, compute_store_table):
1195         Likewise.
1196         (bypass_jumps): Update alloc_gcse_mem, compute_sets, and
1197         one_cprop_pass calls.
1198
1199 2005-04-10  Richard Sandiford  <rsandifo@redhat.com>
1200
1201         * combine.c (combine_simplify_rtx): Remove a transformation that
1202         relies on an invalid assumption about rtl sign-extension semantics.
1203
1204 2005-04-10  Richard Sandiford  <rsandifo@redhat.com>
1205
1206         * value-prof.c (tree_divmod_fixed_value_transform): Fix arguments
1207         to build_int_cst_wide.
1208
1209 2005-04-09  Alexandre Oliva  <aoliva@redhat.com>
1210
1211         PR target/20126
1212         * loop.c (loop_givs_rescan): If replacement of DEST_ADDR failed,
1213         set the original address pseudo to the correct value before the
1214         original insn, if possible, and leave the insn alone, otherwise
1215         create a new pseudo, set it and replace it in the insn.
1216         * recog.c (validate_change_maybe_volatile): New.
1217         * recog.h (validate_change_maybe_volatile): Declare.
1218
1219 2005-04-09  Caroline Tice  <ctice@apple.com>
1220
1221         * bb-reorder.c (find_rarely_executed_basic_blocks_and_crossing_edges):
1222         Remove targetm.have_named_sections test.
1223         (fix_edges_for_rarely_executed_code): Likewise.
1224         (insert_section_boundary_note): Likewise.
1225         (reorder_basic_blocks): Check partitioning flag before calling
1226         verify_hot_cold_block_grouping.
1227         * dbxout.c (dbxout_function_end): Get hot/cold section labels from
1228         the function struct rather than global variables.
1229         * dwarf2out.c (COLD_TEXT_SECTION_LABEL): New macro.
1230         (COLD_END_LABEL): Likewise
1231         (cold_text_section_label): New static global variable.
1232         (cold_end_label): Likewise.
1233         (dwarf2out_switch_text_section): Get hot/cold section labels from
1234         the function struct rather than global variables.
1235         (output_aranges): Use cold_text_section_label and cold_end_label;
1236         check partitioning flag before putting out delta.
1237         (output_ranges): Remove incorrect code attempting to use
1238         hot/cold labels.
1239         (output_line_info): Get cold section label from function struct.
1240         (add_location_or_const_value_attribute): Likewise.
1241         (get_subprogram_die): Get hot/cold section labels from function struct.
1242         (dwarf2out_var_location): Likewise.
1243         (dwarf2out_init): Generate cold_text_section_label and cold_end_label;
1244         write out cold_text_section_label if partition flag is set.
1245         (dwarf2out_finish): Write out cold_end_label if partition flag is set;
1246         * function.h (struct function): Add new fields to point to hot/cold
1247         section labels: hot_section_label, cold_section_label,
1248         hot_section_end_label and cold_section_end_label; also add new field
1249         for cold text section name, unlikely_text_section_name.
1250         * opts.c (decode_options): Turn off partitioning flag if
1251         !targetm.have_named_sections.
1252         * output.h (hot_section_label): Remove.
1253         (hot_section_end_label): Remove.
1254         (cold_section_end_label): Remove.
1255         (unlikely_section_label): Remove.
1256         (unlikely_text_section_name): Remove.
1257         * passes.c (rest_of_handle_final):  Remove code that frees
1258         unlikely_text_section_name.
1259         * varasm.c (unlikely_section_label): Remove.
1260         (hot_section_label): Remove.
1261         (hot_section_end_label): Remove.
1262         (cold_section_end_label): Remove.
1263         (unlikely_text_section_name):  Remove.
1264         (initialize_cold_section_name): Modify to call
1265         targetm.strip_name_encoding; to store cold section name in current
1266         function struct, if it exists; and to only use the decl_section_name
1267         if flag_named_sections is true.
1268         (unlikely_text_section): Modify to get section name out of current
1269         function struct, if there is one; otherwise build it from
1270         UNLIKELY_EXECUTED_TEXT_SECTION_NAME.
1271         (in_unlikely_text_section): Likewise.
1272         (named_section): Modify to get/put cold section name in current function
1273         struct, if there is one.
1274         (function_section):  Change 'bool unlikely' to 'int reloc'; check
1275         targetm.have_named_sections before calling named_section.
1276         (current_function_section): Likewise.
1277         (assemble_start_function): Modify to get/put unlikely_text_section_name
1278         in current function struct; modify to get hot/cold section labels
1279         from function struct; initialize labels using
1280         ASM_GENERATE_INTERNAL_LABEL;
1281         test partitioning flag before writing out hot section label.
1282         (assemble_end_function): Test partitioning flag before writing out
1283         hot/cold section labels.
1284         (default_section_type_flags_1):  Modify to use array instead of
1285          char* for unlikely_text_section_name; set flags correctly for
1286          cold text section if there is not a current function decl.
1287
1288 2005-04-09  Jakub Jelinek  <jakub@redhat.com>
1289
1290         * tree.h (enum tree_index): Add TI_VA_LIST_GPR_COUNTER_FIELD
1291         and TI_VA_LIST_FPR_COUNTER_FIELD.
1292         (va_list_gpr_counter_field, va_list_fpr_counter_field): Define.
1293         * tree-pass.h (pass_stdarg): Add.
1294         * tree-optimize.c (init_tree_optimization_passes): Add pass_stdarg.
1295         * tree-stdarg.c: New file.
1296         * tree-stdarg.h: New file.
1297         * Makefile.in (OBJS-common): Add tree-stdarg.o.
1298         (tree-stdarg.o): Add dependencies.
1299         * function.h (struct function): Add va_list_gpr_size and
1300         va_list_fpr_size fields.
1301         * function.c (allocate_struct_function): Initialize them.
1302         * target.h (struct gcc_target): Add stdarg_optimize_hook.
1303         * target-def.h (TARGET_STDARG_OPTIMIZE_HOOK): Define.
1304         (TARGET_INITIALIZER): Add it.
1305
1306         * config/i386/i386.c (ix86_build_builtin_va_list): Initialize
1307         va_list_{g,f}pr_counter_field.
1308         (ix86_setup_incoming_varargs): Don't do anything if reg_save
1309         area will not be used.  Only save registers that tree-stdarg.c
1310         detected they need saving.
1311         (ix86_va_start): Don't set up fields that won't be used.
1312
1313         * config/rs6000/rs6000.c (rs6000_build_builtin_va_list): Initialize
1314         va_list_{g,f}pr_counter_field.
1315         (setup_incoming_varargs): Don't do anything if reg_save
1316         area will not be used.  Only save registers that tree-stdarg.c
1317         detected they need saving.
1318         (rs6000_va_start): Don't set up fields that won't be used.
1319
1320         * config/alpha/alpha.c: Include tree-flow.h and tree-stdarg.h.
1321         (alpha_build_builtin_va_list): Initialize va_list_gpr_counter_field.
1322         (va_list_skip_additions, alpha_stdarg_optimize_hook): New functions.
1323         (TARGET_STDARG_OPTIMIZE_HOOK): Define.
1324
1325 2005-04-09  Jakub Jelinek  <jakub@redhat.com>
1326
1327         PR target/20795
1328         * config/i386/i386.c (construct_container): Pass empty aligned
1329         struct, union or class in memory.
1330
1331 2005-04-09  Kazu Hirata  <kazu@cs.umass.edu>
1332
1333         * dominance.c, gthr-win32.h, reg-stack.c, tree-ssa-copy.c,
1334         tree-ssa-operands.c, tree-ssa.c, tree-vrp.c, varasm.c,
1335         config/alpha/alpha.c, config/arm/arm.c, config/m32r/m32r.h,
1336         config/rs6000/predicates.md: Fix comment typos.
1337
1338         * sched-int.h (haifa_insn_data): Remove blockage and units.
1339         (INSN_UNIT, INSN_BLOCKAGE, UNIT_BITS, BLOCKAGE_MASK,
1340         ENCODE_BLOCKAGE, UNIT_BLOCKED, BLOCKAGE_RANGE,
1341         MIN_BLOCKAGE_COST, MAX_BLOCKAGE_COST): Remove.
1342
1343 2005-04-09  Jan Hubicka  <jh@suse.cz>
1344             Steven Bosscher  <stevenb@suse.de>
1345
1346         * cfglayout.c (copy_bbs): Rename n_edges to num_edges.
1347         * cfgloop.c (get_loop_exit_edges): Likewise.
1348         * cfgloopmanip.c (fix_irreducible_loops): Likewise.
1349         (unloop): Likewise.
1350         * loop-unroll.c (analyze_insns_in_loop): Likewise.
1351         * tree-cfg.c (dump_cfg_status): Likewise.
1352
1353 2005-04-09  David Edelsohn  <edelsohn@gnu.org>
1354
1355         * config/rs6000/predicates.md (altivec_register_operand): Remove
1356         redundant match_code test.
1357         (gpc_reg_operand): Same.
1358         (cc_reg_operand): Same.
1359         (cc_reg_not_cr0_operand): Same.
1360
1361 2005-04-09  Jan Hubicka  <jh@suse.cz>
1362
1363         Forgotten hunk from my last merge patch:
1364         * final.c (output_addr_const): Do not call mark_referenced.
1365
1366 2005-04-09  Andrew MacLeod  <amacleod@redhat.com>
1367
1368         * doc/tree-ssa.texi: Add immediate use documentation.
1369
1370 2005-04-09  Richard Earnshaw <richard.earnshaw@arm.com>
1371
1372         * arm.c (FL_WBUF): Define.
1373         (arm_tune_strongarm): Renamed from arm_is_strong.  All uses changed.
1374         (arm_is_6_or_7): Delete.
1375         (arm_tune_wbuf): New.
1376         (arm_override_options): Set arm_tune_wbuf.
1377         * arm.h (arm_tune_strongarm): Renamed from arm_is_strong.
1378         (arm_is_6_or_7): Delete declaration.
1379         (arm_tune_wbuf): New declartion.
1380         * arm.md (is_strongarm): Derive from arm_tune_strongarm.
1381         (model_wbuf): Derive from arm_tune_wbuf.
1382         * arm-cores.def (arm600, arm610, arm620, arm700, arm700i, arm710)
1383         (arm720, arm710c, arm7100, arm7500, arm7500fe, arm710t, arm720t)
1384         (arm740t): Mark CPUs as having a write buffer.
1385
1386 2005-04-09  Uros Bizjak  <uros@kss-loka.si>
1387
1388         * config/i386/i386.md (*fp_jcc_7_387): Use 'const0_operand' instead
1389         of 'const_double_operand' in operand 2 constraints.  Update enable
1390         condition.
1391
1392 2005-04-09  Uros Bizjak  <uros@kss-loka.si>
1393
1394         * builtins.def (BUILT_IN_LFLOOR, BUILT_IN_LFLOORF, BUILT_IN_LFLOORL)
1395         (BUILT_IN_LLFLOOR, BUILT_IN_LLFLOORF, BUILT_IN_LLFLOORL): New.
1396         * optabs.h (enum optab_index): Add new OTI_lfloor.
1397         (lfloor_optab): Define corresponding macro.
1398         * optabs.c (init_optabs): Initialize lfloor_optab.
1399         * genopinit.c (optabs): Implement lfloor_optab using lfloorsi2
1400         and lfloordi2 patterns.
1401         * builtins.c (expand_builtin_int_roundingfn): New prototype.
1402         (expand_builtin_int_roundingfn): New function.
1403         (fold_builtin_int_roundingfn): New prototype.
1404         (fold_builtin_int_roundingfn): New function, renamed from
1405         fold_builtin_lround.
1406         Handle BUILT_IN_LROUND{,F,L}, BUILT_IN_LLROUND{,F,L} and
1407         BUILT_IN_LFLOOR{,F,L}, BUILT_IN_LLFLOOR{,F,L}.
1408         (fold_builtin_1): Fold BUILT_IN_LFLOOR{,F,L} and
1409         BUILT_IN_LLFLOOR{,F,L} using fold_builtin_int_roundingfn.
1410         (mathfn_built_in): Handle BUILT_IN LFLOOR and BUILT_IN_LLFLOOR.
1411         (expand_builtin): Expand BUILT_IN_LFLOOR{,F,L} and
1412         BUILT_IN_LLFLOOR{,F,L} using expand_builtin_int_roundingfn.
1413         * convert.c (convert_to_integer): Convert (long int)floor{,f,l},
1414         into lfloor built-in function and (long long int)floor{,f,l} into
1415         llfloor built-in function.
1416         * fold-const.c (tree_expr_nonnegative_p): Add BUILT_IN_LFLOOR and
1417         BUILT_IN_LLFLOOR.
1418
1419 2005-04-08  Ian Lance Taylor  <ian@airs.com>
1420
1421         * c-common.def: Move FOR_STMT, WHILE_STMT, DO_STMT, BREAK_STMT,
1422         CONTINUE_STMT, and SWITCH_STMT to cp/cp-tree.def.
1423         * c-common.h (WHILE_COND, WHILE_BODY): Move to cp/cp-tree.h.
1424         (DO_COND, DO_BODY): Likewise.
1425         (FOR_INIT_STMT, FOR_COND, FOR_EXPR, FOR_BODY): Likewise.
1426         (SWITCH_STMT_COND, SWITCH_STMT_BODY, SWITCH_STMT_TYPE): Likewise.
1427         (c_common_stmt_codes): Remove FOR_STMT, WHILE_STMT, DO_STMT,
1428         BREAK_STMT, CONTINUE_STMT, and SWITCH_STMT.
1429         (build_continue_stmt, build_break_stmt): Don't declare.
1430         (c_do_switch_warnings): Update declaration.
1431         * c-gimplify.c (enum bc_t): Remove.
1432         (struct c_gimplify_ctx, ctxp): Remove.
1433         (push_context, pop_context): Remove static functions.
1434         (c_genericize): Don't call push_context or pop_context.
1435         (begin_bc_block, finish_bc_block): Remove static functions.
1436         (build_bc_goto): Likewise.
1437         (gimplify_c_loop): Likewise.
1438         (gimplify_for_stmt, gimplify_while_stmt): Likewise.
1439         (gimplify_do_stmt, gimplify_switch_stmt): Likewise.
1440         (c_gimplify_expr): Remove handling of FOR_STMT, WHILE_STMT,
1441         DO_STMT, SWITCH_STMT, CONTINUE_STMT, BREAK_STMT.
1442         * c-common.c (c_do_switch_warnings): Rename from
1443         c_do_switch_warnings_1.
1444         (c_do_switch_warnings) [old version]: Remove.
1445         (c_do_switch_expr_warnings): Remove.
1446         * c-typeck.c (c_finish_case): Call new c_do_switch_warnings
1447         function instead of c_do_switch_expr_warnings.
1448         * c-dump.c (c_dump_tree): Remove handling of BREAK_STMT,
1449         CONTINUE_STMT, DO_STMT, FOR_STMT, SWITCH_STMT, and WHILE_STMT.
1450         * c-pretty-print.c (pp_c_statement): Likewise.
1451         * c-semantics.c (build_break_stmt, build_continue_stmt): Remove.
1452
1453 2005-04-08  Devang Patel  <dpatel@apple.com>
1454
1455         * tree-if-conv.c (find_phi_replacement_condition): New parameter, loop.
1456         While selecting replacement condition pay attention to loop header.
1457
1458 2005-04-08  Diego Novillo  <dnovillo@redhat.com>
1459
1460         Merge from tree-cleanup-branch: VRP, store CCP, store
1461             copy-prop, incremental SSA updating of FUD chains and
1462             newly exposed symbols.
1463
1464         * Makefile.in (tree-ssa-copy.o): Depend on tree-ssa-propagate.h.
1465         (OBJS-common): Add tree-vrp.o.
1466         (tree-vrp.o): New rule.
1467         * basic-block.h (nearest_common_dominator_for_set): Declare.
1468         * common.opt (ftree-store-ccp): New flag.
1469         (ftree-copy-prop): New flag.
1470         (ftree-vrp): New flag.
1471         (ftree-store-copy-prop): New flag.
1472         * dominance.c (nearest_common_dominator_for_set): New.
1473         * domwalk.c (walk_dominator_tree): Only traverse
1474         statements in blocks marked in walk_data->interesting_blocks.
1475         * domwalk.h (struct dom_walk_data): Add field interesting_blocks.
1476         * fold-const.c (fold): Handle ASSERT_EXPR.
1477         * opts.c (decode_options): Set flag_tree_copy_prop at -O1.
1478         Set flag_tree_store_ccp, flag_tree_store_copy_prop and
1479         flag_tree_vrp at -O2.
1480         * timevar.def (TV_TREE_VRP): Define.
1481         (TV_TREE_COPY_PROP): Define.
1482         (TV_TREE_STORE_COPY_PROP): Define.
1483         (TV_TREE_SSA_INCREMENTAL): Define.
1484         (TV_TREE_STORE_CCP): Define.
1485         * tree-cfg.c (tree_can_merge_blocks_p): Remove reference
1486         to kill_redundant_phi_nodes from comment.
1487         (verify_expr): Handle ASSERT_EXPR.
1488         * tree-dfa.c (mark_new_vars_to_rename): Remove second
1489         argument.  Update all users.
1490         (mark_call_clobbered_vars_to_rename): Remove.  Update all
1491         users.
1492         * tree-flow-inline.h (unmodifiable_var_p): New.
1493         * tree-flow.h (enum value_range_type): Declare.
1494         (struct value_range_def): Declare.
1495         (value_range): Declare.
1496         (remove_all_phi_nodes_for): Remove.  Update all users.
1497         (find_phi_node_for): Declare.
1498         (add_type_alias): Declare.
1499         (count_uses_and_derefs): Declare.
1500         (kill_redundant_phi_nodes): Remove.
1501         (rewrite_into_ssa): Remove.
1502         (rewrite_def_def_chains): Remove.
1503         (update_ssa, register_new_name_mapping, create_new_def_for,
1504         need_ssa_update_p, name_registered_for_update_p,
1505         release_ssa_name_after_update_ssa, dump_repl_tbl,
1506         debug_repl_tbl, dump_names_replaced_by,
1507         debug_names_replaced_by, mark_sym_for_renaming,
1508         mark_set_for_renaming, get_current_def, set_current_def,
1509         get_value_range, dump_value_range, debug_value_range,
1510         dump_all_value_ranges, debug_all_value_ranges,
1511         expr_computes_nonzero, loop_depth_of_name,
1512         unmodifiable_var_p): Declare.
1513         * tree-gimple.c (is_gimple_formal_tmp_rhs): Handle
1514         ASSERT_EXPR.
1515         * tree-into-ssa.c (block_defs_stack): Update comment.
1516         (old_ssa_names, new_ssa_names, old_virtual_ssa_names,
1517         syms_to_rename, names_to_release, repl_tbl,
1518         need_to_initialize_update_ssa_p, need_to_update_vops_p,
1519         need_to_replace_names_p): New locals.
1520         (NAME_SETS_GROWTH_FACTOR): Define.
1521         (struct repl_map_d): Declare.
1522         (struct mark_def_sites_global_data): Add field
1523         interesting_blocks.
1524         (enum rewrite_mode): Declare.
1525         (REGISTER_DEFS_IN_THIS_STMT): Define.
1526         (compute_global_livein): Use last_basic_block instead of
1527         n_basic_blocks.
1528         (set_def_block): Remove last argument.  Update all callers.
1529         (prepare_use_operand_for_rename): Remove.  Update all callers.
1530         (prepare_def_operand_for_rename): Remove.  Update all callers.
1531         (symbol_marked_for_renaming): New.
1532         (is_old_name): New.
1533         (is_new_name): New.
1534         (repl_map_hash): New.
1535         (repl_map_eq): New.
1536         (repl_map_free): New.
1537         (names_replaced_by): New.
1538         (add_to_repl_tbl): New.
1539         (add_new_name_mapping): New.
1540         (mark_def_sites): Assume that all the operands in the
1541         statement are in normal form.
1542         (find_idf): Assert that the block in the stack is valid.
1543         (get_default_def_for): New.
1544         (insert_phi_nodes_for): Add new argument 'update_p'.
1545         Add documentation.
1546         If update_p is true, add a new mapping between the LHS of
1547         each new PHI and the name that it replaces.
1548         (insert_phi_nodes_1): Only call find_idf if needed.
1549         (get_reaching_def): Call get_default_def_for.
1550         (rewrite_operand): Remove.
1551         (rewrite_stmt): Do nothing if REGISTER_DEFS_IN_THIS_STMT
1552         and REWRITE_THIS_STMT are false.
1553         Assume that all the operands in the statement are in
1554         normal form.
1555         (rewrite_add_phi_arguments): Don't use PHI_REWRITTEN.
1556         (rewrite_virtual_phi_arguments): Remove.
1557         (invalidate_name_tags): Remove.
1558         (register_new_update_single, register_new_update_set,
1559         rewrite_update_init_block, replace_use,
1560         rewrite_update_fini_block, rewrite_update_stmt,
1561         rewrite_update_phi_arguments): New.
1562         rewrite_blocks): Remove argument 'fix_virtual_phis'.
1563         Add arguments 'entry', 'what' and 'blocks'.
1564         Initialize the dominator walker according to 'what' and
1565         'blocks'.
1566         Start the dominator walk at 'entry'.
1567         (mark_def_site_blocks): Add argument 'interesting_blocks'.
1568         Use it to configure the dominator walker.
1569         (rewrite_into_ssa): Remove argument 'all'.
1570         Make internal.
1571         (rewrite_all_into_ssa): Remove.
1572         (rewrite_def_def_chains): Remove.
1573         (mark_def_interesting, mark_use_interesting,
1574         prepare_phi_args_for_update, prepare_block_for_update,
1575         prepare_def_site_for, prepare_def_sites,
1576         dump_names_replaced_by, debug_names_replaced_by,
1577         dump_repl_tbl, debug_repl_tbl, init_update_ssa,
1578         delete_update_ssa, create_new_def_for,
1579         register_new_name_mapping, mark_sym_for_renaming,
1580         mark_set_for_renaming, need_ssa_update_p,
1581         name_registered_for_update_p, ssa_names_to_replace,
1582         release_ssa_name_after_update_ssa,
1583         insert_updated_phi_nodes_for, update_ssa): New.
1584         * tree-loop-linear.c (linear_transform_loops): Call
1585         update_ssa instead of rewrite_into_ssa.
1586         * tree-optimize.c (vars_to_rename): Remove.
1587         Update all users.
1588         (init_tree_optimization_passes): Replace
1589         pass_redundant_phi with pass_copy_prop.
1590         Add pass_vrp.
1591         Replace pass_ccp with pass_store_ccp.
1592         Add pass_store_copy_prop after pass_store_ccp.
1593         (execute_todo): If the TODO_ flags don't include updating
1594         the SSA form, assert that it does not need to be updated.
1595         Call update_ssa instead of rewrite_into_ssa and
1596         rewrite_def_def_chains.
1597         If TODO_verify_loops is set, call verify_loop_closed_ssa.
1598         (tree_rest_of_compilation):
1599         * tree-pass.h (TODO_dump_func, TODO_ggc_collect,
1600         TODO_verify_ssa, TODO_verify_flow, TODO_verify_stmts,
1601         TODO_cleanup_cfg): Renumber.
1602         (TODO_verify_loops, TODO_update_ssa,
1603         TODO_update_ssa_no_phi, TODO_update_ssa_full_phi,
1604         TODO_update_ssa_only_virtuals): Define.
1605         (pass_copy_prop, pass_store_ccp, pass_store_copy_prop, pass_vrp):
1606         Declare.
1607         * tree-phinodes.c (make_phi_node): Update documentation.
1608         (remove_all_phi_nodes_for): Remove.
1609         (find_phi_node_for): New.
1610         * tree-pretty-print.c (dump_generic_node): Handle ASSERT_EXPR.
1611         * tree-scalar-evolution.c (follow_ssa_edge_in_rhs): Likewise.
1612         (interpret_rhs_modify_expr): Likewise.
1613         * tree-sra.c (decide_instantiations): Mark all symbols in
1614         SRA_CANDIDATES for renaming.
1615         (mark_all_v_defs_1): Rename from mark_all_v_defs.
1616         (mark_all_v_defs): New function.  Update all users to call it
1617         with the whole list of scalarized statements, not just the
1618         first one.
1619         * tree-ssa-alias.c (count_ptr_derefs): Make extern.
1620         (compute_flow_insensitive_aliasing): If the tag is
1621         unmodifiable and the variable isn't or vice-versa, don't
1622         make them alias of each other.
1623         (setup_pointers_and_addressables): If the type tag for
1624         VAR is about to change, mark the old one for renaming.
1625         (add_type_alias): New.
1626         * tree-ssa-ccp.c: Document SSA-CCP and STORE-CCP.
1627         (ccp_lattice_t): Rename from latticevalue.
1628         (value): Remove.  Update all users.
1629         (const_val): New local variable.
1630         (do_store_ccp): New local variable.
1631         (dump_lattice_value): Handle UNINITIALIZED.
1632         (debug_lattice_value): New.
1633         (get_default_value): Re-write.
1634         (set_lattice_value): Re-write.
1635         (def_to_varying): Remove.  Update all users.
1636         (likely_value): Return VARYING for statements that make
1637         stores when STORE_CCP is false.
1638         Return VARYING for any statement other than MODIFY_EXPR,
1639         COND_EXPR and SWITCH_EXPR.
1640         (ccp_initialize): Re-write.
1641         (replace_uses_in, replace_vuse_in, substitute_and_fold):
1642         Move to tree-ssa-propagate.c.
1643         (ccp_lattice_meet): Handle memory stores when
1644         DO_STORE_CCP is true.
1645         (ccp_visit_phi_node): Likewise.
1646         (ccp_fold): Likewise.
1647         (evaluate_stmt): Likewise.
1648         (visit_assignment): Likewise.
1649         (ccp_visit_stmt): Likewise.
1650         (execute_ssa_ccp): Add argument 'store_ccp'.  Copy it
1651         into DO_STORE_CCP.
1652         (do_ssa_ccp): New.
1653         (pass_ccp): Use it.
1654         (do_ssa_store_ccp): New.
1655         (gate_store_ccp): New.
1656         (pass_store_ccp): Declare.
1657         * tree-ssa-copy.c: Include tree-ssa-propagate.h.
1658         (may_propagate_copy): Reformat.
1659         Don't abort if ORIG is a virtual and DEST isn't.
1660         If NEW does not have alias information but DEST does,
1661         copy it.
1662         (copy_of, cached_last_copy_of, do_store_copy_prop, enum
1663         copy_prop_kind, which_copy_prop): Declare.
1664         (stmt_may_generate_copy, get_copy_of_val,
1665         get_last_copy_of, set_copy_of_val, dump_copy_of,
1666         copy_prop_visit_assignment, copy_prop_visit_cond_stmt,
1667         copy_prop_visit_stmt, copy_prop_visit_phi_node,
1668         init_copy_prop, fini_copy_prop, execute_copy_prop,
1669         gate_copy_prop, do_copy_prop, gate_store_copy_prop,
1670         store_copy_prop): New.
1671         (pass_copy_prop, pass_store_copy_prop): Declare.
1672         * tree-ssa-dom.c (struct opt_stats_d): Add fields
1673         'num_const_prop' and 'num_copy_prop'.
1674         (cprop_operand): Update them.
1675         (dump_dominator_optimization_stats): Dump them.
1676         (tree_ssa_dominator_optimize): Call update_ssa instead of
1677         rewrite_into_ssa.
1678         (loop_depth_of_name): Declare extern.
1679         (simplify_cond_and_lookup_avail_expr): Guard against NULL
1680         values for LOW or HIGH.
1681         (cprop_into_successor_phis): Only propagate if NEW != ORIG.
1682         (record_equivalences_from_stmt): Call expr_computes_nonzero.
1683         (cprop_operand): Only propagate if VAL != OP.
1684         * tree-ssa-dse.c (dse_optimize_stmt): Mark symbols in removed
1685         statement for renaming.
1686         * tree-ssa-loop-im.c (move_computations): Call update_ssa.
1687         * tree-ssa-loop-ivopts.c (rewrite_address_base): Call
1688         add_type_alias if necessary.
1689         Call mark_new_vars_to_rename.
1690         (tree_ssa_iv_optimize): If new symbols need to be renamed,
1691         mark every statement updated, call update_ssa and
1692         rewrite_into_loop_closed_ssa.
1693         * tree-ssa-loop-manip.c (add_exit_phis): Do not remove DEF_BB
1694         from LIVEIN if VAR is a virtual.
1695         * tree-ssa-loop.c (tree_loop_optimizer_init): Call update_ssa.
1696         * tree-ssa-operands.c (get_expr_operands): Handle ASSERT_EXPR.
1697         (get_call_expr_operands): Reformat statement.
1698         (add_stmt_operand): Don't create V_MAY_DEFs for read-only
1699         symbols.
1700         * tree-ssa-propagate.c (ssa_prop_init): Initialize
1701         SSA_NAME_VALUE for every name.
1702         (first_vdef, stmt_makes_single_load, stmt_makes_single_store,
1703         get_value_loaded_by): New.
1704         (replace_uses_in, replace_vuses_in, replace_phi_args_in,
1705         substitute_and_fold): Move from tree-ssa-ccp.c.
1706         * tree-ssa-propagate.h (struct prop_value_d, prop_value_t,
1707         first_vdef, stmt_makes_single_load, stmt_makes_single_store,
1708         get_value_loaded_by, replace_uses_in, substitute_and_fold):
1709         Declare.
1710         * tree-ssa.c (verify_use): Fix error message.
1711         (propagate_into_addr, replace_immediate_uses, get_eq_name,
1712         check_phi_redundancy, kill_redundant_phi_nodes,
1713         pass_redundant_phi): Remove.  Update all users.
1714         * tree-vect-transform.c (vect_create_data_ref_ptr): Call
1715         add_type_alias, if necessary.
1716         * tree-vectorizer.h (struct _stmt_vect_info): Update
1717         documentation for field 'memtag'.
1718         * tree-vrp.c: New file.
1719         * tree.def (ASSERT_EXPR): Define.
1720         * tree.h (ASSERT_EXPR_VAR): Define.
1721         (ASSERT_EXPR_COND): Define.
1722         (SSA_NAME_VALUE_RANGE): Define.
1723         (struct tree_ssa_name): Add field 'value_range'.
1724         (PHI_REWRITTEN): Remove.
1725         (struct tree_phi_node): Remove field 'rewritten'.
1726         * doc/invoke.texi (-fdump-tree-storeccp, -ftree-copy-prop,
1727         -ftree-store-copy-prop): Document.
1728         * doc/tree-ssa.texi: Remove broken link to McCAT's compiler.
1729         Document usage of update_ssa.
1730
1731 2005-04-08  David Edelsohn  <edelsohn@gnu.org>
1732
1733         PR target/20814
1734         * config/rs6000/predicates.md (altivec_register_operand): Accept
1735         SUBREG.
1736         (and64_operand): Do not limit CONST_INT to mask64_operand.
1737         (and64_2_operand): Do not limit CONST_INT to mask64_1or2_operand.
1738         (and_operand): Do not limit CONST_INT to mask_operand.
1739
1740 2005-04-09  Hans-Peter Nilsson  <hp@axis.com>
1741
1742         PR rtl-optimization/20466
1743         * flow.c (invalidate_mems_from_set): Handle a MEM by checking it
1744         for overlap of the address of each list member.
1745         (mark_set_1): Call invalidate_mems_from_set for MEMs too.
1746
1747 2005-04-08  Mike Stump  <mrs@apple.com>
1748
1749         * config/darwin.c (indirect_data): Fix typo in strncmp logic.
1750
1751         * config/rs6000/rs6000.c (rs6000_emit_prologue): Use 5 nops,
1752         instead of 4.
1753
1754 2005-04-08  Kazu Hirata  <kazu@cs.umass.edu>
1755
1756         * c-tree.h (C_LANG_TREE_NODE_CHAIN_NEXT): Remove.
1757
1758         * function.c (push_function_context_to): Don't set
1759         contains_functions.
1760         * function.h (function): Remove contains_functions.
1761         (current_function_contains_functions): Remove.
1762
1763         * function.h (function): Remove instrument_entry_exit.
1764         (current_function_instrument_entry_exit): Remove.
1765
1766         * function.h (nonlocal_labels): Remove.
1767
1768         * tree.h (STRIP_MAIN_TYPE_NOPS): Remove.
1769
1770         * genattrtab.c (attr_desc): Remove negative_ok and unsigned_p.
1771         (check_attr_value, write_attr_get, write_expr_attr_cache,
1772         find_attr, make_internal_attr): Don't reference negative_ok or
1773         unsigned_p.
1774         * genattrtab.h (ATTR_NEGATIVE_OK, ATTR_UNSIGNED,
1775         ATTR_FUNC_UNITS, ATTR_BLOCKAGE): Remove.
1776         (ATTR_STATIC): Adjust the value.
1777
1778         * c-common.h (C_ARTIFICIAL_STRING_P): Remove.
1779
1780 2005-04-08  Ulrich Weigand  <uweigand@de.ibm.com>
1781
1782         * config/s390/tpf.h (ASM_SPEC): Define.
1783
1784 2005-04-08  Kazu Hirata  <kazu@cs.umass.edu>
1785
1786         * tree-flow.h: Remove the prototype for
1787         redirect_immediate_uses.
1788         (TDFA_USE_OPS, TDFA_USE_VOPS): Remove.
1789
1790 2005-04-08  Richard Earnshaw  <richard.earnshaw@arm.com>
1791
1792         * arm.c (arm_const_double_by_parts): New function.
1793         * arm-protos.h (arm_const_double_by_parts): Add prototype.
1794         * arm.md (define_split for 64-bit constants): Add another one.
1795
1796 2005-04-08  Andrew MacLeod  <amacleod@redhat.com>
1797
1798         * tree-ssa-operands.c (correct_use_link): Remove linear scan.
1799
1800 2005-04-08  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1801
1802         * system.h: Revert last change.
1803
1804 2005-04-08  Richard Sandiford  <rsandifo@redhat.com>
1805
1806         * config/xtensa/xtensa.h (target_flags, MASK_NO_FUSED_MADD)
1807         (MASK_CONST16, TARGET_NO_FUSED_MADD, TARGET_CONST16)
1808         (TARGET_SWITCHES): Delete.
1809         * config/xtensa/xtensa.c (TARGET_DEFAULT_TARGET_FLAGS): Define.
1810         * config/xtensa/xtensa.md (muladdsf3, mulsubsf3): Check
1811         TARGET_FUSED_MADD instead of !TARGET_NO_FUSED_MADD.
1812         * config/xtensa/xtensa.opt: New file.
1813
1814 2005-04-08  Ben Elliston  <bje@au.ibm.com>
1815
1816         * config/fp-bit.c: Include L_mul_tf in #endif comment.
1817         * config/fp-bit.h: Tidy comments.
1818
1819 2005-04-07  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1820
1821         * system.h: Poison PARAMS.
1822
1823 2005-04-07  Richard Sandiford  <rsandifo@redhat.com>
1824
1825         * config/vax/vax.h (target_flags, MASK_UNIX_ASM, MASK_VAXC_ALIGNMENT)
1826         (MASK_G_FLOAT, TARGET_UNIX_ASM, TARGET_VAXC_ALIGNMENT, TARGET_G_FLOAT)
1827         (TARGET_SWITCHES): Delete.
1828         * config/vax/vax.c (TARGET_DEFAULT_TARGET_FLAGS): Override default.
1829         * config/vax/vax.opt: New file.
1830
1831 2005-04-07  Daniel Berlin  <dberlin@dberlin.org>
1832
1833         * tree-ssa-dse.c (dse_optimize_stmt): Fix incorrect comment.
1834
1835 2005-04-07  Ian Lance Taylor  <ian@airs.com>
1836
1837         * config/iq2000/iq2000.h (DONT_ACCESS_GBLS_AFTER_EPILOGUE): Don't
1838         define.
1839         * config/mips/mips.h (DONT_ACCESS_GBLS_AFTER_EPILOGUE): Likewise.
1840         * config/sparc/sparc.h (DONT_ACCESS_GBLS_AFTER_EPILOGUE):
1841         Likewise.
1842
1843 2005-04-07  Kazu Hirata  <kazu@cs.umass.edu>
1844
1845         * tree-ssa-sink.c (nearest_common_dominator_of_uses): Consider
1846         all immediate uses in PHI nodes.
1847
1848 2005-04-07  Richard Earnshaw  <richard.earnshaw@arm.com>
1849
1850         * arm.c (arm_const_double_inline_cost): Handle any constant by
1851         using gen_lowpart and gen_highpart_mode.
1852         (note_invalid_constants): All constants in an RTX with a constraint
1853         that permits memory are now pushed to the constant pool.
1854         (output_move_double): Delete code to handle reg to reg and
1855         constant to reg moves.
1856         (const_double_needs_minipool, output_mov_immediate): Delete.
1857         * arm.h (EXTRA_CONSTRAINT_STR_ARM): All 'D' variants now handle
1858         CONST_INT and CONST_VECTOR.
1859         * arm.md (ANY64): New mode macro.
1860         (arm_movdi): Split reg-reg and const-reg moves.  Simplify constraints.
1861         (movdf_soft_insn): Split reg-reg and const-reg moves.
1862         (split patterns for 64-bit constant and register moves): New.
1863         * cirrus.md (cirrus_arm_movdi): Split reg-reg and const-reg moves.
1864         (cirrus_movdf_hard_insn): Likewise.
1865         * fpa.md (movdf_fpa): Likewise.
1866         * iwmmxt.md (iwmmxt_arm_movdi): Likewise.
1867         (movv8qi_internal, movv4hi_internal, movv2si_internal): Fix
1868         constraints.
1869         (movv2si_internal_2): Likewise.
1870         * vfp.md (arm_movdi_vfp): Split reg-reg and const-reg moves.
1871         (movdf_vfp): Likewise.
1872         * arm-protos.h (output_mov_immediate): Delete prototype.
1873
1874 2005-04-07  Joseph S. Myers  <joseph@codesourcery.com>
1875
1876         PR target/20093
1877         * simplify-rtx.c (simplify_unary_operation_1): Check
1878         SUBREG_PROMOTED_UNSIGNED_P (op) > 0 for zero-extension.
1879
1880 2005-04-06  James E Wilson  <wilson@specifixinc.com>
1881
1882         PR target/20717
1883         * cgraphunit.c (record_call_1, case FDESC_EXPR): Handle same as
1884         ADDR_EXPR.
1885
1886 2004-04-06  Richard Sandiford  <rsandifo@redhat.com>
1887
1888         * coverage.h (GCOV_TYPE_NODE): Delete.
1889         * coverage.c (coverage_counter_alloc, tree_coverage_counter_ref)
1890         (build_ctr_info_type): Use get_gcov_type () instead of GCOV_TYPE_NODE.
1891         * tree-profile.c (tree_gen_edge_profiler, tree_gen_interval_profiler)
1892         (tree_gen_pow2_profiler, tree_gen_one_value_profiler): Likewise.
1893         * value-prof.c (tree_divmod_fixed_value_transform): Delete.
1894
1895 2004-04-06  Richard Sandiford  <rsandifo@redhat.com>
1896
1897         PR other/20792
1898         * Makefile.in (gcc.pot): Remove options.c dependency.
1899         * optc-gen.awk: Don't quote help strings with N_().
1900
1901 2005-04-06  James A. Morrison  <phython@gcc.gnu.org>
1902
1903         * c-common.c (handle_malloc_atttribute): Only set DECL_IS_MALLOC if
1904         the function returns a pointer type.
1905
1906 2005-04-06  Daniel Berlin  <dberlin@dberlin.org>
1907
1908         * params.def (PARAM_SALIAS_MAX_IMPLICIT_FIELDS): New
1909         * params.h (SALIAS_MAX_IMPLICIT_FIELDS): New
1910         * doc/invoke.texi: Documnet salias-max-implicit-fields.
1911         * tree-ssa-alias.c (struct used_part): Add implicit_uses and
1912         explicit_uses members.
1913         (get_or_create_used_part_for): Initialize new fields.
1914         (fieldoff_compare): New function.
1915         (create_overlap_variables_for): Count number of fields, use
1916         heuristic to determine whether to create subvars for vars with
1917         only implicit uses.
1918         Sort the field list by offset and avoid creating duplicate SFT's.
1919
1920 2005-04-06  Richard Sandiford  <rsandifo@redhat.com>
1921
1922         * c.opt (-F): Remove trailing whitespace from help string.
1923         (-finput-charset): Use a tab to separate the switch name and help
1924         string.
1925         * common.opt (-fsched-stalled-insns, -fsched-stalled-insns-dep)
1926         (-ftree-vectorizer-verbose): Likewise.
1927
1928 2005-04-06  Kazu Hirata  <kazu@cs.umass.edu>
1929
1930         * tree-ssa-sink.c (nearest_common_dominator_of_uses): Look at
1931         a PHI argument where a use occurs instead of all PHI arguments.
1932
1933 2005-04-06  Joseph S. Myers  <joseph@codesourcery.com>
1934
1935         * c-decl.c (finish_decl): Apply pending #pragma weak regardless of
1936         scope.
1937
1938 2005-04-06  Kazu Hirata  <kazu@cs.umass.edu>
1939
1940         * cse.c, tree-flow-inline.h, tree-flow.h, tree-ssa-operands.c,
1941         tree-ssa-sink.c, tree.h, config/bfin/bfin.c,
1942         config/bfin/bfin.h: Fix comment typos.
1943
1944 2005-04-06  Ranjit Mathew  <rmathew@hotmail.com>
1945
1946         * doc/install.texi: Update the URL for Jacks.
1947         * doc/sourcebuild.texi: Likewise.
1948
1949 2005-04-06  Eric Botcazou  <ebotcazou@libertysurf.fr>
1950
1951         PR target/17245
1952         * config/sparc/sparc.c (legitimate_address_p): Remove 'imm2'.
1953         Revert 2004-10-08 patch.  Reject TFmode LO_SUM in 32-bit mode.
1954
1955 2005-04-06  Kelley Cook  <kcook@gcc.gnu.org>
1956
1957         * Makefile.in (LIBGCC2_CFLAGS): Revert -pipe change.
1958
1959 2005-04-06  Richard Sandiford  <rsandifo@redhat.com>
1960
1961         * config/v850/v850-protos.h (override_options): Delete.
1962         * config/v850/v850.h (target_flags, MASK_GHS, MASK_LONG_CALLS, MASK_EP)
1963         (MASK_PROLOG_FUNCTION, MASK_DEBUG, MASK_V850, MASK_V850E)
1964         (MASK_SMALL_SLD, MASK_BIG_SWITCH, MASK_NO_APP_REGS, MASK_DISABLE_CALLT)
1965         (MASK_STRICT_ALIGN, MASK_US_BIT_SET, MASK_US_MASK_SET, TARGET_GHS)
1966         (TARGET_LONG_CALLS, TARGET_EP, TARGET_PROLOG_FUNCTION, TARGET_V850)
1967         (TARGET_BIG_SWITCH, TARGET_DEBUG, TARGET_V850E, TARGET_US_BIT_SET)
1968         (TARGET_SMALL_SLD, TARGET_DISABLE_CALLT, TARGET_NO_APP_REGS)
1969         (TARGET_STRICT_ALIGN, TARGET_SWITCHES, TARGET_OPTIONS)
1970         (OVERRIDE_OPTIONS): Delete.
1971         (MASK_CPU): Redefine as MASK_V850 | MASK_V850E.
1972         (small_memory_info): Remove the value field.
1973         (CONDITIONAL_REGISTER_USAGE): Check !TARGET_APP_REGS rather than
1974         TARGET_NO_APP_REGS.
1975         * config/v850/v850.c (small_memory): Remove the value field.
1976         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
1977         (override_options): Delete.
1978         (v850_handle_memory_option, v850_handle_option): New functions.
1979         * config/v850/v850.opt: New file.
1980
1981 2005-04-06  Geoffrey Keating  <geoffk@apple.com>
1982
1983         * config.host: Add a section for generic hosts, and a subsection
1984         for Darwin.  Add a case for x86-darwin.  Update ppc-darwin case.
1985         * config/host-darwin.c: New, split out of config/rs6000/host-darwin.c.
1986         * config/host-darwin.h: New.
1987         * config/x-darwin: New.
1988         * config/i386/host-i386-darwin.c: New.
1989         * config/i386/x-darwin: New.
1990         * config/rs6000/host-darwin.c: Include host-darwin.h.
1991         (darwin_rs6000_gt_pch_get_address): Move to config/host-darwin.c.
1992         (darwin_rs6000_gt_pch_use_address): Likewise.
1993         * config/rs6000/x-darwin: Change name of .o built, update
1994         dependencies for changes to rs6000/host-darwin.c.
1995
1996 2005-04-06  Ralf Corsepius  <ralf.corsepius@rtems.org>
1997
1998         PR target/17824
1999         * config/c4x/c4x.h (ASM_PROG, LD_PROG): Remove.
2000
2001 2005-04-06  Dorit Naishlos  <dorit@il.ibm.com>
2002
2003         * tree-vect-analyze.c (vect_analyze_loop_form): Call
2004         split_loop_exit_edge instead of loop_split_edge_with.
2005
2006 2005-04-06  Paolo Bonzini  <bonzini@gnu.org>
2007
2008         * config/rs6000/altivec.md (UNSPEC_VSLW, UNSPEC_SUBS,
2009         UNSPEC_SET_VSCR): New constants, used throughout.
2010         (*andc3_v4sf): New.
2011         (altivec_vspltisb, altivec_vsplitish, altivec_vsplitisw):
2012         Replace with...
2013         (altivec_vspltis<VI_char>): ... this pattern, using
2014         a QImode const_int_operand for the immediate.
2015         (abs<mode>2, absv4sf2, altivec_abss_<mode>): Rewrite as
2016         define_expands.
2017
2018 2005-04-06  Ralf Corsepius  <ralf.corsepius@rtems.org>
2019
2020         PR target/17822
2021         * config/avr/t-avr (AR_FOR_TARGET,RANLIB_FOR_TARGET): Remove.
2022
2023 2005-04-06  Kelley Cook  <kcook@gcc.gnu.org>
2024
2025         * Makefile.in (LIBGCC2_CFLAGS): Compile with -pipe.
2026
2027 2005-04-06  Ben Elliston  <bje@au.ibm.com>
2028
2029         * gcc.c: Correct comment about DEFAULT_SWITCH_TAKES_ARG and
2030         DEFAULT_WORD_SWITCH_TAKES_ARG which incorrectly reported these
2031         macros as living in "this file" and not gcc.h.
2032
2033 2005-04-06  Ben Elliston  <bje@au.ibm.com>
2034
2035         * doc/invoke.texi (Optimize Options): Mention -ftree-lrs, not
2036         -ftree-live_range_split.  Perhaps renamed at some point?
2037
2038 2005-04-06  Zdenek Dvorak  <dvorakz@suse.cz>
2039
2040         PR target/20625
2041         * tree-ssa-loop-ivopts.c (generic_type_for): New function.
2042         (add_candidate_1): Use generic_type_for instead of unsigned_type_for.
2043
2044 2005-04-06  Zdenek Dvorak  <dvorakz@suse.cz>
2045
2046         * tree-flow.h (number_of_iterations_cond): Declaration removed.
2047         * tree-ssa-loop-niter.c (number_of_iterations_cond): Made static.
2048         (number_of_iterations_special): New function.
2049         (number_of_iterations_exit): Use number_of_iterations_special.
2050         Use simplify_using_outer_evolutions only at -O3.
2051         (number_of_iterations_cond, tree_simplify_using_condition,
2052         simplify_using_initial_conditions, loop_niter_by_eval,
2053         compare_trees, can_count_iv_in_wider_type_bound,
2054         simplify_using_outer_evolutions): Use fold_build.
2055
2056 2005-04-05  Thomas Fitzsimmons  <fitzsim@redhat.com>
2057
2058         * doc/install.texi (Configuration): Document --with-java-home.
2059
2060 2005-04-05  Richard Henderson  <rth@redhat.com>
2061
2062         PR target/20342
2063         PR target/20447
2064         * config/i386/i386.c (print_operand): Handle vector zeros.
2065         (ix86_split_to_parts): Handle CONST_VECTOR.
2066         (ix86_hard_regno_mode_ok): Allow MMX modes in general regs.
2067         (ix86_modes_tieable_p): Use ix86_hard_regno_mode_ok to decide
2068         what modes to tie for MMX and SSE registers.
2069         * config/i386/i386.h (MMX_REG_MODE_P): Remove.
2070         * config/i386/i386.md: Extend move 0 -> xor peephole to apply
2071         to vector modes as well.
2072         * config/i386/predicates.md (const0_operand): Handle VOIDmode
2073         properly as an input mode.
2074
2075 2005-04-05  Andrew MacLeod  <amacleod@redhat.com>
2076
2077         * tree-ssa-operands.c (verify_abort): Use %p for pointers.
2078
2079 2005-04-05  Andrew MacLeod  <amacleod@redhat.com>
2080
2081         * tree-pretty-print.c (dump_generic_node): Use %p for pointer.
2082
2083 2005-04-05  Jakub Jelinek  <jakub@redhat.com>
2084
2085         * config/i386/i386.c (init_cumulative_args): For -m32 -mfpmath=sse
2086         and local functions, set sse_nregs to 8 and float_in_sse.
2087         (function_arg_advance, function_arg): If float_in_sse, pass
2088         SFmode and DFmode arguments in SSE registers.
2089         * config/i386/i386.h (CUMULATIVE_ARGS): Add float_in_sse field.
2090
2091         * config/i386/i386.c (ix86_value_regno): Only optimize local functions
2092         of -funit-at-a-time.
2093
2094 2005-04-05  Paolo Bonzini  <bonzini@gnu.org>
2095
2096         * config/i386/i386-protos.h (ix86_function_value): Accept two
2097         arguments, like the target macro.
2098         * config/i386/i386.h (FUNCTION_VALUE): Pass both arguments.
2099         * config/i386/i386.c (ix86_function_value): Accept the second
2100         argument of the target macro.
2101         (ix86_function_ok_for_sibcall): Pass a function pointer to
2102         ix86_function_value.
2103         (ix86_function_value, ix86_libcall_value) [!TARGET_64BIT]: Adjust
2104         call to ix86_value_regno).
2105         (ix86_value_regno): Add support for returning floating point values
2106         in SSE registers.
2107
2108 2005-04-05  Jakub Jelinek  <jakub@redhat.com>
2109
2110         PR tree-optimization/20076
2111         * tree-inline.c (inline_forbidden_p_1): Prevent inlining functions
2112         that call __builtin_return or __builtin_apply_args.
2113
2114 2005-04-05  Andrew MacLeod  <amacleod@redhat.com>
2115
2116         * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use update_stmt.
2117         Use immediate use iterator.
2118         (stmt_is_bumper_for_loop): Use immediate use iterator.
2119         * predict.c (strip_builtin_expect): Use update_stmt.
2120         * tree-cfg.c (update_modified_stmts): New. Call update_stmt_if_modified
2121         on all elements of a STATEMENT_LIST.
2122         (bsi_insert_before, bsi_insert_after): Call update_modified_stmts.
2123         (bsi_remove): Remove imm_use links and mark the stmt as modified.
2124         (bsi_replace): Mark stmt as modified and the update it.
2125         * tree-complex.c (update_complex_assignment): Call mark_stmt_modified.
2126         (expand_complex_libcal): Call update_stmt.
2127         (expand_complex_comparison): Call mark_stmt_modified.
2128         (expand_complex_operations_1): Call update_stmt_if_modified.
2129         (expand_vector_operations_1): Call mark_stmt_modified.
2130         * tree-dfa.c (compute_immediate_uses, free_df_for_stmt, free_df,
2131         compute_immediate_uses_for_phi, compute_immediate_uses_for_stmt,
2132         add_immediate_use, redirect_immediate_use,
2133         redirect_immediate_uses, dump_immediate_uses, debug_immediate_uses,
2134         dump_immediate_uses_for, debug_immediate_uses_for): Delete.
2135         (mark_new_vars_to_rename): Call update_stmt.
2136         * tree-dump.c (dump_option_value_in): Add "stmtaddr".
2137         * tree-flow-inline.h (modify_stmt): Rename to mark_stmt_modified.
2138         Ignore PHI nodes.
2139         (unmodify_stmt): Delete.
2140         (update_stmt): New.  Force an update of a stmt.
2141         (update_stmt_if_modified): update a stmt if it is out of date.
2142         (get_stmt_operands): Verify stmt is NOT modified.
2143         (stmt_modified_p): Update comment.
2144         (delink_imm_use): Remove a use node from its immuse list.
2145         (link_imm_use_to_list): Link a use node to a specific list.
2146         (link_imm_use): Link a node to the correct list.
2147         (set_ssa_use_from_ptr): Set a use node to a specific value, and insert
2148         it in the correct list, if appropriate.
2149         (link_imm_use_stmt): Link a use node, and set the stmt pointer.
2150         (relink_imm_use): Link a use node in place of another node in a list.
2151         (relink_imm_use_stmt): LInk a node in place of another node, and set
2152         the stmt pointer.
2153         (end_safe_imm_use_traverse): New.  Terminate a safe immuse iterator.
2154         (end_safe_imm_use_p): New.  Check for the end of a safe immuse iterator.
2155         (first_safe_imm_use): New.  Initialize a safe immuse iterator.
2156         (next_safe_imm_use): New.  Proceed to next safe immuse iterator value.
2157         (end_readonly_imm_use_p): New.  Check for end of a fast immuse iterator.
2158         (first_readonly_imm_use): New.  Initialize a fast immuse iterator.
2159         (next_readonly_imm_use): New.  Get the next fast immuse iterator value.
2160         (has_zero_uses): New.  Return true if there are no uses of a var.
2161         (has_single_use): New.  Return true if there is only a single use of a
2162         variable.
2163         (single_imm_use): New.  Return the simgle immediate use.
2164         (num_imm_uses): New.  Return the number of immediate uses.
2165         (get_v_must_def_ops): Use is now a pointer.
2166         (use_operand_p, get_v_may_def_op_ptr, get_vuse_op_ptr,
2167         get_v_must_def_kill_ptr, get_phi_arg_def_ptr): Return the address of
2168         the use node.
2169         (get_immediate_uses, num_immediate_uses, immediate_use): Delete.
2170         (delink_stmt_imm_use): Delink all immuses from a stmt.
2171         (phi_arg_index_from_use): New.  Return a phi arg index for a use.
2172         * tree-flow.h (struct dataflow_d): Delete.
2173         (immediate_use_iterator_d): New.  Immediate use iterator struct.
2174         (FOR_EACH_IMM_USE_FAST): New.  Macro for read only immuse iteration.
2175         (FOR_EACH_IMM_USE_SAFE): New.  Macro for write-safe immuse iteration.
2176         (BREAK_FROM_SAFE_IMM_USE): New.  Macro for earlyu exit from write-safe
2177         iteration.
2178         (struct stmt_ann_d): Remove dataflow_t from struct.
2179         * tree-if-conv.c (tree_if_conversion).  Don't call free_df.
2180         (if_convertible_phi_p): Use FAST immuse iterator.
2181         (if_convertible_loop_p): Don't call compute_immediate_uses.
2182         (replace_phi_with_cond_modify_expr): Call update_stmt.
2183         * tree-into-ssa.c (mark_def_sites, ssa_mark_def_sites): Call
2184         update_stmt_if_modified.
2185         (rewrite_all_into_ssa): Initialize ssa operands.
2186         * tree-loop-linear.c (linear_transform_loops): Don't call free_df or
2187         compute_immediate_uses.
2188         * tree-optimize.c (execute_todo): Call verify_ssa whenever the
2189         ssa_property is available.
2190         (execute_one_pass):  Change parameters passed to execute_todo.
2191         * tree-outof-ssa.c (rewrite_trees): Don't call modify_stmt.
2192         (remove_ssa_form): Call fini_ssa_operands.
2193         (insert_backedge_copies): Delete call to modify_stmt.
2194         * tree-phinodes.c (make_phi_node): Initialize use nodes.
2195         (release_phi_node): Delink any use nodes before releasing.
2196         (resize_phi_node): Relink any use nodes.
2197         (remove_phi_arg_num): Delink the use node.
2198         (remove_phi_node): Release the ssa_name AFTER releasing the phi node.
2199         (remove_all_phi_nodes_for): Release phi node first.
2200         * tree-pretty-print.c (dump_generic_node): Print stmt address.
2201         * tree-sra.c (mark_all_v_defs): Call update_stmt_if_modified.
2202         (scalarize_use, scalarize_copy): Call update_stmt.
2203         * tree-ssa-alias.c (compute_may_aliases): Update all modified stmts.
2204         (compute_points_to_and_addr_escape): Call mark_stmt_modified.
2205         * tree-ssa-cpp.c (need_imm_uses_for): Delete.
2206         (ccp_initialize): Remove call to compute_immediate_uses.
2207         (substitute_and_fold, execute_fold_all_builtins): Call update_stmt.
2208         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Update all modified
2209         stmts.
2210         (simplify_cond_and_lookup_avail_expr): Call mark_stmt_modified.
2211         (simplify_switch_and_lookup_avail_expr): Call mark_stmt_modified.
2212         (eliminate_redundant_computations): Call mark_stmt_modified.
2213         (cprop_operand): Call mark_stmt_modified.
2214         (optimize_stmt): Call update_stmt_if_modified and mark_stmt_modified.
2215         * tree-ssa-dse.c (fix_phi_uses, fix_stmt_v_may_defs): Delete.
2216         (dse_optimize_stmt): Use new immuse interface.
2217         (tree_ssa_dse): Remove calls to compute_immediate_uses and free_df.
2218         * tree-ssa-forwprop.c (need_imm_uses_for): Delete.
2219         (substitute_single_use_vars): Use new immuse interface.
2220         (tree_ssa_forward_propagate_single_use_vars): Remove calls to free_df
2221         and compute_immediate_uses.
2222         * tree-ssa-loop-im.c (single_reachable_address): Use new immuse
2223         interface.
2224         (rewrite_mem_refs): Call update_stmt.
2225         (determine_lsm): Remove call to compute_imm_uses and free_df.
2226         * tree-ssa-loop-ivcanon.c (create_canonical_iv): Call update_stmt.
2227         (try_unroll_loop_completely): Call update_stmt.
2228         * tree-ssa-loop-ivopts.c (rewrite_address_base): Call update_stmt.
2229         (rewrite_use_compare): Call update_stmt.
2230         (compute_phi_arg_on_exit): Insert each stmt before trying to process.
2231         (rewrite_use) : Call update_stmt.
2232         * tree-ssa-loop-manip.c (verify_loop_closed_ssa): Add arg to call.
2233         * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Call
2234         update_stmt.
2235         * tree-ssa-operands.c (NULL_USE_OPERAND_P): Remove declaration.
2236         (allocate_use_optype, allocate_vuse_optype): Adjust allocation size.
2237         (free_uses, free_vuses, free_v_may_defs, free_v_must_defs): Delink
2238         use nodes.
2239         (initialize_vuse_operand): New.  Initialize a vuse operand.
2240         (initialize_v_may_def_operand): New.  Initialize a maydef operand.
2241         (initialize_v_must_def_operand): New.  Initialize a mustdef operand.
2242         (finalize_ssa_defs): Use stmt parameter.
2243         (correct_use_link): Ensure a use node is in the correct list, and has
2244         the correct stmt pointer.
2245         (finalize_ssa_uses, finalize_ssa_v_may_defs, finalize_ssa_vuses,
2246         finalize_ssa_v_must_defs): Also initialize use nodes.
2247         (finalize_ssa_stmt_operands): Pass extra stmt operands.
2248         (build_ssa_operands): Seperate parsing from final operand construction.
2249         (parse_ssa_operands): New.  Parse entry point for operand building.
2250         (swap_tree_operands): New.  Swap 2 tree operands.
2251         (update_stmt_operands): Ranamed from get_stmt_operands.  Always builds
2252         operands.
2253         (get_expr_operands): Call swap_tree_operands when needed.
2254         (copy_virtual_operands): Use initialize routines for virtual use ops.
2255         (create_ssa_artficial_load_stmt): Add extra stmt parameter.
2256         (verify_abort): New.  Issue imm_use error.
2257         (verify_imm_links): New Verify imm_use links for a var.
2258         (dump_immediate_uses_for): New.  Dump imm_uses for a var to file.
2259         (dump_immediate_uses): New.  Dump imm_uses for all vars to file.
2260         (debug_immediate_uses): New.  Dump imm_uses for all vars to stderr.
2261         (debug_immediate_uses_for): New.  Dump imm_uses for a var to stderr.
2262         * tree-ssa-operands.h (struct use_operand_ptr): Delete.
2263         (NULL_USE_OPERAND_P) Define.
2264         (use_optype_d, v_def_use_operand_type, vuse_optype_d): Add immediate
2265         use node.
2266         (struct vuse_operand_type): New struct.
2267         (SET_USE): Call set_ssa_use_from_ptr.
2268         (USE_STMT): Define.
2269         (PHI_ARG_INDEX_FROM_USE): Define.
2270         * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Set the phi
2271         argument via SET_USE, not PHI_ARG_DEF_TREE.
2272         * tree-ssa-pre.c (eliminate): Call update_stmt.
2273         * tree-ssa-propagate.c (cfg_blocks_get): Use imm_use iterators.  Don't
2274         call free_df.
2275         * tree-ssa-sink.c (all_immediate_uses_same_place): Use imm_use iterator.
2276         (nearest_common_dominator_of_uses): Use imm_use iterator.
2277         (statement_sink_location): Use imm_use iterator and interface.
2278         (execute_sink_code): Don't call compute_immediate_uses or free-df.
2279         * tree-ssa-threadupdate.c (create_edge_and_update_destination_phis): Use
2280         PHI_ARG_DEF, not PHI_ARG_DEF_TREE.
2281         * tree-ssa.c (verify_use, verify_phi_args): Verify some imm_use info.
2282         (verify_ssa): Ensure no stmt is marked modify after optimization pass
2283         if new parameter is true.
2284         (init_tree_ssa): Don't initialize operand cache here.
2285         (delete_tree_ssa): Don't destroy operand cache here.
2286         (propagate_into_addr): Pass in a use pointer, return true if anything
2287         was changed.
2288         (replace_immediate_uses): Use imm_use iterator, call update_stmt.
2289         (check_phi_redundancy): Use imm_use iterator.
2290         (kill_redundant_phi_nodes): Don't call compute_immediate_uses or
2291         free_df.
2292         * tree-ssanames.c (make_ssa_name): Initialize imm_use node.
2293         (release_ssa_name): Delink node and all elements in its imm_use list.
2294         * tree-tailcall.c (adjust_return_value): Call update_stmt.
2295         * tree-vect-analyze.c (vect_stmt_relevant_p): Use imm_use iterator.
2296         * tree-vectorizer.c (need_imm_uses_for): Delete.
2297         (vectorize_loops): Dont call compute_immediate_uses or free_df.
2298         * tree.h (struct ssa_imm_use_d): Define.
2299         (SSA_NAME_IMM_USE_NODE): Define.
2300         (struct tree_ssa_name): Add imm_use node.
2301         (PHI_DF): Delete.
2302         (PHI_ARG_IMM_USE_NODE): Define.
2303         (struct phi_arg_d): Add imm_use node.
2304         (struct tree_phi_node): Remove struct dataflow_d element.
2305         (TDF_STMTADDR): Define.
2306
2307 2005-04-05  Dale Johannesen  <dalej@apple.com>
2308
2309         * doc/invoke.texi (Optimization Options):  Remove
2310         duplicate -fcse-follow-jumps.  Add -fweb.
2311         (-ftree-lim):  Fix spelling (-ftree-loop-im, invariants).
2312         (-fivcanon):  Fix spelling (-ftree-loop-ivcanon).
2313
2314 2005-04-05  Per Bothner  <per@bothner.com>
2315
2316         * tree-ssa.c (execute_early_warn_uninitialized): Pass context node
2317         to talk_tree as 'data' parameter, rather than EXPR_LOCUS.
2318         (warn_uninit): Get EXPR_LOCUS from context now instead.
2319         This fixes a USE_MAPPED_LOCATION testsuite failure.
2320
2321         * tree-ssa.c (warn_uninitialized_var): Remove useless local.
2322
2323 2005-04-05  Per Bothner  <per@bothner.com>
2324
2325         * c-decl.c (finish_function): If USE_MAPPED_LOCATION set the location
2326         of the artification 'return 0' in main() to BUILTINS_LOCATION.
2327         * tree-cfg.c (remove_bb): Check that location isn't BUILTINS_LOCATION
2328         before warning.
2329
2330 2004-04-05  Devang Patel  <dpatel@apple.com>
2331
2332         * config/rs600/altivec.md (altivec_vsr<VI_char>): Rename to ..
2333         (lhsr<mode>3): ... new name.
2334         (altivec_vsra<VI_char>): Rename to ..
2335         (ashr<mode>3): ... new name.
2336         * config/rs6000/rs6000.c (builtin_description): Rename shift
2337         operations.
2338
2339 2004-04-05  Paolo Bonzini  <bonzini@gnu.org>
2340
2341         * combine.c (RTL_HOOKS_GEN_LOWPART_NO_EMIT): Use
2342         gen_lowpart_for_combine.
2343         * cse.c (gen_lowpart_if_possible): Move...
2344         * rtlhooks.c (gen_lowpart_if_possible): ... here.  Also try
2345         gen_lowpart_SUBREG.
2346         (gen_lowpart_no_emit_general): Use it.
2347
2348 2005-04-05  Eric Botcazou  <ebotcazou@libertysurf.fr>
2349
2350         * config/sparc/sparc.c (TARGET_ASM_FILE_END): Undefine before
2351         overriding.
2352
2353 2005-04-05  Paolo Bonzini  <bonzini@gnu.org>
2354
2355         * system.h: Fix typo.
2356
2357 2005-04-05  Bernd Schmidt  <bernd.schmidt@analog.com>
2358
2359         * config/bfin/bfin-modes.def: New file.
2360         * config/bfin/bfin-protos.h: New file.
2361         * config/bfin/bfin.c: New file.
2362         * config/bfin/bfin.h: New file.
2363         * config/bfin/bfin.md: New file.
2364         * config/bfin/bfin.opt: New file.
2365         * config/bfin/crti.s: New file.
2366         * config/bfin/crtn.s: New file.
2367         * config/bfin/elf.h: New file.
2368         * config/bfin/lib1funcs.asm: New file.
2369         * config/bfin/predicates.md: New file.
2370         * config/bfin/t-bfin: New file.
2371         * config/bfin/t-bfin-elf: New file.
2372         * doc/extend.texi (exception_handler, kspisusp, nesting, nmi_handler):
2373         Document new attributes.
2374         (interrupt, interrupt_handler, saveall): Update documentation for
2375         these attributes.
2376         * doc/install.texi (Specific): Add entry for the Blackfin.
2377         * doc/invoke.texi (Blackfin Options): New section.
2378         * doc/md.texi (Blackfin family): New section to document constraints.
2379         * config.gcc: Add bfin*-* and bfin*-elf configurations.
2380
2381 2005-04-05  Olivier Hainque  <hainque@adacore.com>
2382
2383         * config/mips/iris6.h (DWARF_FRAME_RETURN_COLUMN): Redefine to
2384         match what the system unwinder expects.
2385         * config/mips/mips.c (mips_frame_set): If we're saving the return
2386         address register and the dwarf return address column number differs
2387         from the hard register number, adjust the note reg to refer to the
2388         former.
2389
2390 2004-04-05  Richard Sandiford  <rsandifo@redhat.com>
2391
2392         * config/mn10300/mn10300-protos.h (mn10300_override_options): Declare.
2393         * config/mn10300/mn10300.h (target_flags, TARGET_MULT_BUG)
2394         (TARGET_SWITCHES, TARGET_DEFAULT): Delete.
2395         (processor_type): New enum.
2396         (mn10300_processor): New variable.
2397         (TARGET_AM33, TARGET_AM33_2): Redefine in terms of mn10300_processor.
2398         (PROCESSOR_DEFAULT, OVERRIDE_OPTIONS): New macros.
2399         * config/mn10300/linux.h (TARGET_SWITCHES, TARGET_DEFAULT): Delete.
2400         (PROCESSOR_DEFAULT): New macro.
2401         * config/mn10300/mn10300.c (mn10300_processor): New variable.
2402         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
2403         (mn10300_handle_option, mn10300_override_options): New functions.
2404         * config/mn10300/mn10300.opt: New file.
2405
2406 2005-04-05  Eric Botcazou  <ebotcazou@libertysurf.fr>
2407             Sebastian Pop <sebastian.pop@cri.ensmp.fr>
2408
2409         PR tree-optimization/19903
2410         * tree-chrec.c (chrec_convert): Return chrec_dont_know for constants
2411         that don't fit in their type after conversion.
2412
2413 2005-04-05  Uros Bizjak <uros@kss-loka.si>
2414
2415         PR target/20421
2416         * config/i386/i386.md (frndintxf2_floor, frndintxf2_ceil)
2417         (frndintxf2_trunc, frndintxf2_mask_pm): Add FLAGS_REG clobber.
2418         Allocate local stack slots here.  Set ix86_optimize_mode_switching.
2419         flag here. Implement using define_insn_and_split.
2420         (frndintxf2_floor_i387, frndintxf2_ceil_i387, frndintxf2_trunc_i387)
2421         (frndintxf2_mask_pm_i387): New insn patterns.
2422         (floorsf2, floordf2, floorxf2): Remove local stack slot allocations.
2423         Do not set ix86_optimize_mode_switching flag.
2424         (ceilsf2, ceildf2, ceilxf2): Same.
2425         (btruncsf2, btruncdf2, btruncxf2): Same.
2426         (nearbyintsf2, nearbyintdf2, nearbyintxf2): Same.
2427
2428 2005-04-05  Ian Lance Taylor  <ian@airs.com>
2429
2430         PR debug/9963
2431         * config/i386/cygming.h (ASM_OUTPUT_EXTERNAL): Pass DECL to
2432         i386_pe_record_external_function.
2433         (i386_pe_record_external_function): Update declaration.
2434         * config/i386/winnt.c (struct extern_list): Add decl field.
2435         (i386_pe_record_external_function): Add decl parameter.
2436         (i386_pe_file_end): Check TREE_ASM_WRITTEN on decl, not
2437         identifier.
2438         * config/i386/i386-protos.h (i386_pe_record_external_function):
2439         Update declaration.
2440
2441 2005-04-05  Kazu Hirata  <kazu@cs.umass.edu>
2442
2443         * config/m68k/m68k-protos.h: Add a prototype for
2444         valid_dbcc_comparison_p_2.
2445         * config/m68k/m68k.c (not_sp_operand, symbolic_operand,
2446         extend_operator, const_uint32_operand, const_sint32_operand,
2447         general_src_operand, nonimmediate_src_operand,
2448         memory_src_operand, post_inc_operand, pre_dec_operand,
2449         pcrel_address): Move to predicates to predicates.md.
2450         * config/m68k/m68k.h (PREDICATE_CODES): Remove.
2451         * config/m68k/m68k.md: Include predicates.md.
2452         * config/m68k/predicates.md: New.
2453
2454 2005-04-04  Roger Sayle  <roger@eyesopen.com>
2455
2456         * config/i386/i386.md (*truncdfsf2_i387_1): New pattern.
2457
2458         * fold-const.c (maybe_lvalue_p): Delete orphaned comment.
2459
2460 2005-04-04  Ian Lance Taylor  <ian@airs.com>
2461
2462         * c-typeck.c (struct c_switch): Rename switch_stmt field to
2463         switch_expr.
2464         (c_start_case): Build SWITCH_EXPR, not SWITCH_STMT.
2465         (do_case): Use SWITCH_COND rather than SWITCH_STMT_COND.
2466         (c_finish_case): Use SWITCH_BODY rather than SWITCH_STMT_BODY.
2467         Call c_do_switch_expr_warnings rather than c_do_switch_warnings.
2468         * c-common.c (c_do_switch_warnings_1): New static function broken
2469         out of c_do_switch_warnings.
2470         (c_do_switch_warnings): Call c_do_switch_warnings_1.
2471         (c_do_switch_expr_warnings): New function.
2472         * c-common.h (c_do_switch_expr_warnings): Declare.
2473
2474 2005-04-04  David Edelsohn  <edelsohn@gnu.org>
2475             Daniel Jacobowitz  <dan@codesourcery.com>
2476
2477         * tree-eh.c (tree_could_trap_p): Allow non-constant floating point
2478         trapping divide.
2479         * rtlanal.c (may_trap_p): Same.
2480
2481 2005-04-04  Dale Johannesen  <dalej@apple.com>
2482
2483         * ChangeLog:  remove reference to ChangeLog.12.
2484
2485 2005-04-05  Hans-Peter Nilsson  <hp@axis.com>
2486
2487         CRIS epilogue as RTL.
2488         * config/cris/cris.md: Change all 0 in unspec 0 to
2489         CRIS_UNSPEC_PLT.
2490         (CRIS_UNSPEC_PLT, CRIS_UNSPEC_FRAME_DEALLOC): New constants.
2491         ("*cris_load_multiple", "cris_frame_deallocated_barrier"): New
2492         patterns.
2493         ("return"): Change to define_expand.  Call cris_expand_return for
2494         actual expansion.
2495         ("*return_expanded"): New pattern.
2496         ("epilogue"): New define_expand.
2497         * config/cris/cris.h (PREDICATE_CODES): Add
2498         cris_load_multiple_op.
2499         * config/cris/cris.c (ASSERT_PLT_UNSPEC): Correct test for unspec
2500         type.
2501         (enum cris_retinsn_type): New.
2502         (struct machine_function): New member return_type.
2503         (TARGET_ASM_FUNCTION_EPILOGUE): Don't override.
2504         (cris_target_asm_function_epilogue): Remove, moving RTLified
2505         contents to...
2506         (cris_expand_epilogue): New function.
2507         (cris_reg_saved_in_regsave_area, cris_movem_load_rest_p,
2508         (cris_gen_movem_load, cris_load_multiple_op)
2509         (cris_return_address_on_stack_for_return, cris_expand_return): New
2510         functions.
2511         (cris_target_asm_function_prologue)
2512         (cris_initial_frame_pointer_offset): Call
2513         cris_reg_saved_in_regsave_area instead of complicated expression.
2514         Call cris_return_address_on_stack instead of an expression.
2515         (cris_print_operand) <case 'o', case 'O'>: New cases.
2516         (cris_return_address_on_stack): Change return-type to bool.
2517         (cris_simple_epilogue): Ditto.  Return false if registers are
2518         saved.
2519         * config/cris/cris-protos.h (cris_simple_epilogue)
2520         (cris_return_address_on_stack): Adjust prototype return type.
2521         (cris_gen_movem_load, cris_expand_epilogue, cris_expand_return)
2522         (cris_return_address_on_stack_for_return): New prototypes.
2523
2524 2005-04-04  Kazu Hirata  <kazu@cs.umass.edu>
2525
2526         * config/frv/frv.h (PREDICATE_CODES): Add CONST to
2527         gpr_or_int12_operand.
2528
2529         * config/frv/frv-protos.h: Add a prototype to
2530         frv_legitimate_memory_operand and frv_const_unspec_p.
2531         (frv_unspec): Move from frv.c.
2532         * config/frv/frv.c (frv_unspec): Move to frv-protos.h.
2533         (frv_const_unspec_p, frv_legitimate_memory_operand_): Export.
2534         (ldd_address_operand, fdpic_fptr_operand, frv_load_operand,
2535         gpr_or_fpr_operand, gpr_or_int12_operand,
2536         gpr_fpr_or_int12_operand, fpr_or_int6_operand,
2537         gpr_or_int10_operand, gpr_or_int_operand, int12_operand,
2538         int6_operand, int5_operand, uint5_operand, uint4_operand,
2539         uint1_operand, int_2word_operand, uint16_operand,
2540         upper_int16_operand, integer_register_operand,
2541         gpr_no_subreg_operand, fpr_operand, even_reg_operand,
2542         odd_reg_operand, even_gpr_operand, odd_gpr_operand,
2543         quad_fpr_operand, even_fpr_operand, odd_fpr_operand,
2544         dbl_memory_one_insn_operand, dbl_memory_two_insn_operand,
2545         move_destination_operand, movcc_fp_destination_operand,
2546         frv_function_symbol_referenced_p, move_source_operand,
2547         condexec_dest_operand, condexec_source_operand,
2548         reg_or_0_operand, lr_operand, fdpic_operand, got12_operand,
2549         const_unspec_operand, gpr_or_memory_operand,
2550         gpr_or_memory_operand_with_scratch, fpr_or_memory_operand,
2551         icc_operand, fcc_operand, cc_operand, icr_operand,
2552         fcr_operand, cr_operand, call_operand, sibcall_operand,
2553         symbolic_operand, relational_operator,
2554         integer_relational_operator, float_relational_operator,
2555         ccr_eqne_operator, minmax_operator,
2556         condexec_si_binary_operator, condexec_si_media_operator,
2557         condexec_si_divide_operator, condexec_si_unary_operator,
2558         condexec_sf_conv_operator, condexec_sf_add_operator,
2559         condexec_memory_operand, intop_compare_operator, acc_operand,
2560         even_acc_operand, quad_acc_operand, accg_operand: Move to
2561         predicates.md.
2562         * config/frv/frv.h (PREDICATE_CODES): Remove.
2563         * config/frv/frv.md: Include predicates.md.
2564         * config/frv/predicates.md: New.
2565
2566 2004-04-04  Richard Sandiford  <rsandifo@redhat.com>
2567
2568         PR target/19537
2569         * Makefile.in (tree-ssa-loop-ivopts.o): Depend on langhooks.h.
2570         * tree-ssa-loop-ivopts.c: Include langhooks.h.
2571         (add_standard_iv_candidates_for_size): New function, extracting code
2572         from add_standard_iv_candidates and parameterizing it by type size.
2573         (add_standard_iv_candidates): Use add_standard_iv_candidates_for_size.
2574
2575 2004-04-04  Richard Sandiford  <rsandifo@redhat.com>
2576
2577         * system.h (GCOV_SIZE_TYPE): Unposion.
2578         * gcov-io.h (GCOV_TYPE_NODE): Delete, replacing with...
2579         (GCOV_TYPE_SIZE): ...this new macro.
2580         * coverage.h (get_gcov_type, GCOV_TYPE_NODE): Declare.
2581         * coverage.c (get_gcov_type, get_gcov_unsigned_t): New functions.
2582         (rtl_coverage_counter_ref): Use GCOV_TYPE_SIZE.
2583         (build_fn_info_type, build_fn_info_value, build_ctr_info_type)
2584         (build_ctr_info_value, build_gcov_info): Use get_gcov_unsigned_t
2585         instead of unsigned_intSI_type_node.
2586         * rtl-profile.c (rtl_gen_interval_profiler, rtl_gen_pow2_profiler)
2587         (rtl_gen_one_value_profiler_no_edge_manipulation)
2588         (rtl_gen_const_delta_profiler): Use GCOV_TYPE_SIZE.
2589         * value-prof.c: Include coverage.h.
2590
2591 2005-04-02  Daniel Berlin  <dberlin@dberlin.org>
2592             Diego Novillo <dnovillo@redhat.com>
2593
2594         Fix PR tree-optimization/20703
2595         Fix PR tree-optimization/20725
2596
2597         * tree-ssa-pre.c (phi_translate): Handle tcc_comparison.
2598         (create_expression_by_pieces): Ditto.
2599         (valid_in_set): Ditto. Also handle tcc_declaration.
2600         (find_or_generate_expression): Handle comparison class.
2601         (insert_into_preds_of_block): Ditto.
2602         (insert_aux): Ditto.
2603         (create_value_expr_from): Handle comparison class, recursively
2604         handle reference nodes.
2605         (compute_avail): Handle comparison classes, rewrite a little cleaner.
2606         (execute_pre): Fix spacing.
2607         (do_fre): Renamed to execute_fre.
2608
2609 2005-04-04  Eric Botcazou  <ebotcazou@libertysurf.fr>
2610
2611         * doc/invoke.texi (SPARC options): Document that
2612         -mlittle-endian is not supported on Linux either.
2613
2614 2005-04-04  Eric Botcazou  <ebotcazou@libertysurf.fr>
2615
2616         PR target/4198
2617         PR target/12027
2618         * config.gcc (Obsolete configurations): Remove
2619         sparclite-*-coff*, sparclite-*-elf* and sparc86x-*-elf*.
2620         (sparclite-*-coff*): Delete.
2621         (sparclite-*-elf*): Likewise.
2622         (sparc86x-*-elf*): Likewise.
2623         (target_cpu_default) <sparc*-*-*>: Remove sparc86x.
2624         * config/sparc/lite.h: Delete.
2625         * config/sparc/litecoff.h: Likewise.
2626         * config/sparc/liteelf.h: Likewise.
2627         * config/sparc/sp86x-elf.h: Likewise.
2628         * config/sparc/t-sparclite: Likewise.
2629         * config/sparc/t-sp86x: Likewise.
2630
2631 2005-04-04  Adrian Straetling  <straetling@de.ibm.com>
2632
2633         * config/s390/s390-protos.h: (s390_comparison,
2634         s390_alc_comparison, s390_slb_comparison, const0_operand,
2635         consttable_operand, larl_operand, s_operand,
2636         shift_count_operand, bras_sym_operand, load_multiple_operation,
2637         store_multiple_operation, s390_plus_operand): Remove prototypes.
2638         (s390_legitimate_address_without_index_p): New prototype.
2639         * config/s390/s390.c: (SYMBOL_FLAG_ALIGN1, DISP_IN_RANGE): Move
2640         to s390.h.
2641         (s390_comparison, s390_alc_comparison, s390_slb_comparison,
2642         const0_operand, consttable_operand, larl_operand, s_operand,
2643         shift_count_operand, bras_sym_operand, load_multiple_operation,
2644         store_multiple_operation, s390_plus_operand): Move to
2645         predicates.md.
2646         (check_mode): Remove.
2647         (s390_branch_condition_mask): Remove 'static'. Move prototype to
2648         s390-protos.h.
2649         (s390_legitimate_address_without_index_p): New.
2650         * config/s390/s390.h (PREDICATE_CODES): Remove.
2651         * config/s390/s390.md: Include predicates.md.
2652         * config/s390/predicates.md: New.
2653
2654 2005-04-04  Eric Botcazou  <ebotcazou@libertysurf.fr>
2655
2656         PR target/20446
2657         * config/sparc/sparc.h (NEED_INDICATE_EXEC_STACK): Define to 0.
2658         * config/sparc/linux.h (TARGET_ASM_FILE_END): Delete.
2659         (NEED_INDICATE_EXEC_STACK): Define to 1.
2660         * config/sparc/linux64.h (TARGET_ASM_FILE_END): Delete.
2661         (NEED_INDICATE_EXEC_STACK): Define to 1.
2662         * config/sparc/sparc.c (TARGET_ASM_FILE_END): Set to sparc_file_end.
2663         (add_pc_to_pic_symbol): Rename into pic_helper_symbol.
2664         (add_pc_to_pic_symbol_name): Rename into pic_helper_symbol_name.
2665         (pic_helper_emitted_p): New global.
2666         (emit_pic_helper): New function extracted from...
2667         (load_pic_register): ...here.  Add 'delay_pic_helper' parameter.
2668         Do not call emit_pic_helper if delay_pic_helper is true.
2669         (sparc_expand_prologue): Pass 'false' to load_pic_register.
2670         (sparc_output_mi_thunk): Pass 'true' to load_pic_register.
2671         (sparc_file_end): New function.
2672
2673 2005-04-04  Kazu Hirata  <kazu@cs.umass.edu>
2674
2675         * config/mcore/mcore-protos.h: Remove the prototypes for
2676         mcore_arith_reg_operand, mcore_general_movsrc_operand,
2677         mcore_general_movdst_operand, mcore_reload_operand,
2678         mcore_arith_J_operand, mcore_arith_K_operand,
2679         mcore_arith_K_operand_not_0, mcore_arith_M_operand,
2680         mcore_arith_K_S_operand, mcore_arith_imm_operand,
2681         mcore_arith_any_imm_operand, mcore_arith_O_operand,
2682         mcore_literal_K_operand, mcore_addsub_operand,
2683         mcore_compare_operand, mcore_load_multiple_operation,
2684         mcore_store_multiple_operation, mcore_call_address_operand.
2685         Add a prototype for const_ok_for_mcore.
2686         * config/mcore/mcore.c (mcore_call_address_operand,
2687         mcore_general_movsrc_operand, mcore_general_movdst_operand,
2688         mcore_arith_reg_operand, mcore_reload_operand,
2689         mcore_arith_J_operand, mcore_arith_K_operand,
2690         mcore_arith_K_operand_not_0, mcore_arith_K_S_operand,
2691         mcore_arith_M_operand, mcore_arith_imm_operand,
2692         mcore_arith_any_imm_operand, mcore_arith_O_operand,
2693         mcore_literal_K_operand, mcore_addsub_operand,
2694         mcore_compare_operand, mcore_load_multiple_operation,
2695         mcore_store_multiple_operation): Move to predicates.md.
2696         (const_ok_for_mcore): Export.
2697         * config/mcore/mcore.h (PREDICATE_CODES): Remove.
2698         * config/mcore/mcore.md: Include predicates.md.
2699         * config/mcore/predicates.md: New.
2700
2701         * config/mcore/predicates.md: Fix a comment typo.
2702
2703 2005-04-04  Andreas Krebbel  <krebbel1@de.ibm.com>
2704             Adrian Straetling  <straetling@de.ibm.com>
2705
2706         * config/s390/2064.md ("z_mul", "z_inf"): New insn reservations.
2707         * config/s390/2084.md ("x_mul_hi", "x_mul_sidi", "x_div"): Likewise.
2708         * config/s390/s390.md ("imulhi", "imulsi", "imuldi"): Added to "type"
2709         attribute.
2710         ("imul"): Removed from "type" attribute.
2711         ("*muldi3_sign", "muldi3"): Changed type to imuldi.
2712         ("mulsi3/1", "mulsi3/3", "mulsi/4", "mulsidi3", "umulsidi3"):
2713         Changed type to imulsi.
2714         ("*mulsi3_sign", "mulsi3/2"): Changed type to imulhi.
2715
2716 2005-04-04  Richard Sandiford  <rsandifo@redhat.com>
2717
2718         * config/mcore/mcore.h (target_flags, HARDLIT_BIT, ALIGN8_BIT, DIV_BIT)
2719         (RELAX_IMM_BIT, W_FIELD_BIT, OVERALIGN_FUNC_BIT, CGDATA_BIT)
2720         (SLOW_BYTES_BIT, LITTLE_END_BIT, M340_BIT, TARGET_HARDLIT)
2721         (TARGET_DIV, TARGET_RELAX_IMM, TARGET_W_FIELD, TARGET_OVERALIGN_FUNC)
2722         (TARGET_CG_DATA, TARGET_SLOW_BYTES, TARGET_LITTLE_END, TARGET_M340)
2723         (TARGET_SWITCHES, mcore_stack_increment_string)
2724         (TARGET_OPTIONS): Delete.
2725         (TARGET_DEFAULT, OPTIMIZATION_OPTIONS): Use MASK_* constants rather
2726         than *_BIT constants.
2727         (TARGET_8ALIGN): #undef old definition before redefining to 1.
2728         * config/mcore/mcore.c (mcore_stack_increment_string): Delete.
2729         (TARGET_DEFAULT_TARGET_FLAGS): Override default to TARGET_DEFAULT.
2730         (mcore_override_options): Delete mcore_stack_increment code.
2731         Change use of M340_BIT to MASK_M340.
2732         * config/mcore/mcore.opt: New file.
2733
2734 2005-04-04  Ian Lance Taylor  <ian@airs.com>
2735
2736         * config/arm/arm.c (replace_symbols_in_block): Remove static
2737         function.
2738
2739 2005-04-04  Kazu Hirata  <kazu@cs.umass.edu>
2740
2741         * config/fr30/fr30-protos.h: Remove the prototypes for
2742         stack_add_operand, add_immediate_operand,
2743         high_register_operand, low_register_operand, call_operand,
2744         di_operand, and nonimmediate_di_operand.
2745         * config/fr30/fr30.c (stack_add_operand,
2746         add_immediate_operand, high_register_operand,
2747         low_register_operand, call_operand, di_operand,
2748         nonimmediate_di_operand): Move to predicates.md.
2749         * config/fr30/fr30.h (PREDICATE_CODES): Remove.
2750         * config/fr30/fr30.md: Include predicates.md.
2751         * config/fr30/predicates.md: New.
2752
2753         * config/mcore/mcore.h (PREDICATE_CODES): Add SYMBOL_REF and
2754         LABEL_REF to mcore_general_movsrc_operand.  Add SYMBOL_REF to
2755         mcore_call_address_operand.
2756
2757         * config/sh/sh.h (PREDICATE_CODES): Add CONST to
2758         general_movsrc_operand.
2759
2760 2005-04-04  Alan Modra  <amodra@bigpond.net.au>
2761
2762         * passes.c (rest_of_handle_final): NULL unlikely_text_section_name
2763         after freeing.
2764
2765 2005-04-04  Richard Earnshaw  <richard.earnshaw@arm.com>
2766
2767         PR target/14812
2768         * arm.c (arm_select_cc_mode): Return CC_Zmode when comparing against
2769         a negated value.
2770
2771 2005-04-04  Richard Henderson  <rth@redhat.com>
2772             Jakub Jelinek  <jakub@redhat.com>
2773
2774         PR rtl-optimization/16104
2775         * fold-const.c (fold_unary): Fix folding of vector conversions.
2776
2777 2005-04-04  Richard Sandiford  <rsandifo@redhat.com>
2778
2779         * config.gcc (xstormy16-*-elf): Set extra_options.
2780         * config/stormy16/stormy16.h (target_flags, TARGET_SWITCHES): Delete.
2781         * config/stormy16/stormy16.opt: New file.
2782
2783 2005-04-04  Richard Sandiford  <rsandifo@redhat.com>
2784
2785         * config/pdp11/pdp11.h (target_flags, TARGET_SWITCHES, TARGET_DEFAULT)
2786         (TARGET_FPU, TARGET_SOFT_FLOAT, TARGET_AC0, TARGET_NO_AC0, TARGET_45)
2787         (TARGET_BCOPY_BUILTIN, TARGET_INT16, TARGET_INT32, TARGET_FLOAT32)
2788         (TARGET_FLOAT64, TARGET_ABSHI_BUILTIN, TARGET_BRANCH_EXPENSIVE)
2789         (TARGET_BRANCH_CHEAP, TARGET_SPLIT, TARGET_NOSPLIT)
2790         (TARGET_UNIX_ASM): Delete.
2791         (TARGET_40_PLUS): Redefine in terms of TARGET_40 and TARGET_45.
2792         * config/pdp11/2bsd.h (TARGET_UNIX_ASM_DEFAULT): Use MASK_UNIX_ASM.
2793         * config/pdp11/pdp11.c (pdp11_handle_option): New function.
2794         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
2795         * config/pdp11/pdp11.opt: New file.
2796
2797 2005-04-03  Roger Sayle  <roger@eyesopen.com>
2798             Alexandre Oliva  <aoliva@redhat.com>
2799
2800         PR c++/19199
2801         * fold-const.c (non_lvalue): Split tests into...
2802         (maybe_lvalue_p): New function.
2803         (fold_cond_expr_with_comparison): Preserve lvalue-ness for the
2804         C++ front-end prior to lowering into gimple form.
2805
2806 2005-04-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2807
2808         * builtins.def (BUILT_IN_STPNCPY, BUILT_IN_STRCASECMP,
2809         BUILT_IN_STRNCASECMP): New.
2810         * doc/extend.texi: Document stpncpy, strcasecmp, strncasecmp
2811         and strndup.
2812
2813 2005-04-03  Richard Earnshaw  <richard.earnshaw@arm.com>
2814
2815         PR target/14812
2816         * arm.md (addsi3_compare0_for_combiner): Delete.
2817         (addsi3_compare0_scratch_for_combiner): Delete.
2818         (cmpsi_neg_shiftsi): Delete.
2819         (compare_negsi_si): New pattern.
2820         (cmpsi_negshiftsi_si): New pattern.
2821         (negated_cbranchsi4): Restrict to equality_operator.
2822
2823         * arm.md (movhi_insn_arch4): delete trailing white space from assembler
2824         template.
2825
2826 2005-04-03  Kazu Hirata  <kazu@cs.umass.edu>
2827
2828         * cfghooks.c, cfgrtl.c, modulo-sched.c, config/i386/winnt.c:
2829         Fix comment typos.
2830
2831         * doc/install.texi: Fix a typo.
2832
2833 2005-04-03  Steven Bosscher  <stevenb@suse.de>
2834
2835         PR middle-end/20648
2836         * bb-reorder.c (duplicate_computed_gotos): Do not unfactor
2837         a computed goto if the edge to the computed goto block has
2838         incoming abnormal edges.  Clarify how the function works.
2839
2840 2005-04-03  Nathan Sidwell  <nathan@codesourcery.com>
2841
2842         * params.c (set_param_value): Use gcc_assert & gcc_unreachable.
2843         * passes.c (open_dump_file, rest_of_handle_final): Likewise.
2844         * postreload-gcse.c (expr_equiv_p, oprs_unchanged_p,
2845         hash_scan_set, reg_set_between_after_reload_p,
2846         reg_used_between_after_reload_p, get_avail_load_store_reg,
2847         eliminate_partially_redundant_load): Likewise.
2848         * postreload.c (reload_cse_simplify_set,
2849         reload_combine_note_use): Likewise.
2850         * predict.c (predict_insn, expected_value_to_br_prob,
2851         propagate_freq, expensive_function_p): Likewise.
2852         * print-rtl.c (print_rtx): Likewise.
2853         * profile.c (instrument_edges, instrument_values,
2854         compute_branch_probabilities, branch_prob, union_groups,
2855         tree_register_profile_hooks, rtl_register_profile_hooks): Likewise.
2856         * protoize.c (in_system_include_dir, file_could_be_converted,
2857         file_normally_convertible, gen_aux_info_file, seek_to_line,
2858         do_cleaning): Likewise.
2859         * tree-ssa-alias.c (collect_points_to_info_r): Likewise.
2860         * tree-ssa-ccp.c (execute_fold_all_builtins): Likewise.
2861         * tree-ssa-loop-ivopts.c (produce_memory_decl_rtl): Likewise.
2862
2863 2005-04-03 Mostafa Hagog <mustafa@il.ibm.com>
2864
2865         * cfg.c (clear_bb_flags): Don't clear BB_DISABLE_SCHEDULE.
2866         * modulo-sched.c (undo_replace_buff_elem): New structure.
2867         (kernel_number_of_cycles, ps_unschedule_node,
2868         undo_generate_reg_moves,free_undo_replace_buff,
2869         undo_permute_partial_schedule,  loop_single_full_bb_p,
2870         SIMPLE_SMS_LOOP_P, loop_canon_p, canon_loop,
2871         build_loops_structure, get_sched_window): New.
2872         (generate_reg_moves): Return undo_replace_buff_elem and other
2873         fixes.
2874         (generate_prolog_epilog): Remove old loop versioning.
2875         (sms_schedule): Use loop information and loop_version.
2876         (sms_schedule_by_order): Split part of it to get_sched_window.
2877         * passes.c (rest_of_handle_sms): call cfg_layout_initialize
2878         cfg_layout_finalize and free_dominance_info before/after SMS.
2879
2880 2005-04-03 Mostafa Hagog <mustafa@il.ibm.com>
2881
2882         * cfghooks.c (lv_flush_pending_stmts,
2883         cfg_hook_duplicate_loop_to_header_edge, extract_cond_bb_edges,
2884         lv_adjust_loop_header_phi, lv_add_condition_to_bb): New.
2885         * cfghooks.h (cfg_hook_duplicate_loop_to_header_edge,
2886         lv_add_condition_to_bb,
2887         lv_adjust_loop_header_phi, extract_cond_bb_edges,
2888         flush_pending_stmts): New in cfg_hooks structure.
2889         (cfg_hook_duplicate_loop_to_header_edge, lv_flush_pending_stmts,
2890         extract_cond_bb_edges, lv_adjust_loop_header_phi,
2891         lv_add_condition_to_bb): New declarations.
2892         * cfgloop.h (duplicate_loop_to_header_edge): Change return type to
2893         bool.
2894         (loop_version): Declare.
2895         * cfgloopmanip.c (cfghooks.h): Include.
2896         (duplicate_loop_to_header_edge): Change return type to bool.
2897         (loop_version, lv_adjust_loop_entry_edge): Move here.
2898         * cfgrtl.c (cfgloop.h): Include.
2899         (rtl_verify_flow_info_1): Fix.
2900         (rtl_lv_add_condition_to_bb, rtl_extract_cond_bb_edges): New.
2901         (rtl_cfg_hooks, cfg_layout_rtl_cfg_hook): Add hooks to
2902         initialization.
2903         * tree-cfg.c (tree_lv_adjust_loop_header_phi,
2904         tree_lv_add_condition_to_bb): New.
2905         (tree_cfg_hooks): Add new hooks to initialization.
2906         * tree-ssa-loop-manip.c (lv_adjust_loop_header_phi,
2907         lv_adjust_loop_entry_edge, tree_ssa_loop_version): Remove.
2908
2909 2005-04-03  Kazu Hirata  <kazu@cs.umass.edu>
2910
2911         * config/stormy16/stormy16.h (PREDICATE_CODES): Add SUBREG to
2912         xstormy16_below100_or_register,
2913         xstormy16_splittable_below100_or_register, and
2914         nonimmediate_nonstack_operand.
2915
2916         * config/stormy16/stormy16-protos.h: Remove the prototypes for
2917         xstormy16_ineqsi_operator, equality_operator,
2918         inequality_operator, shift_operator,
2919         xstormy16_below100_operand, xstormy16_below100_or_register,
2920         xstormy16_splittable_below100_or_register,
2921         xstormy16_onebit_set_operand, xstormy16_onebit_clr_operand.
2922         * config/stormy16/stormy16.c (xstormy16_ineqsi_operator,
2923         equality_operator, inequality_operator,
2924         xstormy16_below100_operand, xstormy16_below100_or_register,
2925         xstormy16_splittable_below100_or_register,
2926         xstormy16_onebit_set_operand, xstormy16_onebit_clr_operand,
2927         nonimmediate_nonstack_operand, shift_operator): Move to
2928         predicates.md.
2929         * config/stormy16/stormy16.h (PREDICATE_CODES): Remove.
2930         * config/stormy16/stormy16.md: Include predicates.md.
2931         * config/stormy16/predicates.md: New.
2932
2933 2005-04-02  Kazu Hirata  <kazu@cs.umass.edu>
2934
2935         * config/iq2000/iq2000.c (uns_arith_operand, arith_operand,
2936         small_int, large_int, reg_or_0_operand, simple_memory_operand,
2937         equality_op, cmp_op, pc_or_label_operand, call_insn_operand,
2938         move_operand, power_of_2_operand): Move to predicates.md.
2939         * config/iq2000/iq2000.h (SPECIAL_MODE_PREDICATES,
2940         PREDICATE_CODE): Remove.
2941         * config/iq2000/iq2000.md: Include predicates.md.
2942         * config/iq2000/predicates.md: New.
2943
2944 2005-04-02  Richard Sandiford  <rsandifo@redhat.com>
2945
2946         * config/m68hc11/m68hc11.h (target_flags, MASK_SHORT)
2947         (MASK_AUTO_INC_DEC, MASK_M6811, MASK_M6812, MASK_M68S12)
2948         (MASK_NO_DIRECT_MODE, MASK_MIN_MAX, MASK_LONG_CALLS)
2949         (TARGET_SHORT, TARGET_M6811, TARGET_M6812, TARGET_M68S12)
2950         (TARGET_AUTO_INC_DEC, TARGET_MIN_MAX, TARGET_NO_DIRECT_MODE)
2951         (TARGET_LONG_CALLS, TARGET_SWITCHES, TARGET_OPTIONS)
2952         (SUBTARGET_SWITCHES, SUBTARGET_OPTIONS, m68hc11_regparm_string)
2953         (m68hc11_reg_alloc_order, m68hc11_soft_reg_count)
2954         (TARGET_M68HC11): Delete.
2955         (TARGET_DEFAULT): Change the default setting from MASK_M6811 to 0.
2956         * config/m68hc11/m68hc12.h (TARGET_M68HC12): Delete.
2957         * config/m68hc11/m68hc11.c (m68hc11_regparm_string)
2958         (m68hc11_reg_alloc_order, m68hc11_soft_reg_count)
2959         (nb_soft_regs): Delete.
2960         (TARGET_DEFAULT_TARGET_FLAGS): Override default with TARGET_DEFAULT.
2961         (m68hc11_override_options): Remove the code that caters for MASK_M6811
2962         and MASK_M6812 being set simultaneously.  Change the code that sets
2963         the default m68hc11_soft_reg_count to use integers instead of strings.
2964         (m68hc11_conditional_register_usage, hard_regno_mode_ok): Use
2965         m68hc11_soft_reg_count (which now has an int type) as the number
2966         of soft registers.
2967         * config/m68hc11/m68hc11.opt: New file.
2968
2969 2005-04-02  Kazu Hirata  <kazu@cs.umass.edu>
2970
2971         * config/fr30/fr30.h (PREDICATE_CODES): Remove
2972         fp_displacement_operand, sp_displacement_operand.
2973
2974         * config/m68hc11/m68hc11-protos.h: Add a prototype for
2975         m68hcc_auto_inc_p.
2976         Remove the prototypes for tst_operand, cmp_operand,
2977         stack_register_operand, d_register_operand,
2978         hard_addr_reg_operand, splitable_operand,
2979         m68hc11_logical_operator, m68hc11_arith_operator,
2980         m68hc11_non_shift_operator, m68hc11_shift_operator,
2981         m68hc11_unary_operator, m68hc11_eq_compare_operator,
2982         non_push_operand, hard_reg_operand, and
2983         reg_or_some_mem_operand.
2984         * config/m68hc11/m68hc11.c (m68hcc_auto_inc_p): Make it
2985         extern.
2986         (tst_operand, cmp_operand, non_push_operand,
2987         splitable_operand, reg_or_some_mem_operand,
2988         stack_register_operand, d_register_operand,
2989         hard_addr_reg_operand, hard_reg_operand,
2990         m68hc11_eq_compare_operator, m68hc11_logical_operator,
2991         m68hc11_arith_operator, m68hc11_non_shift_operator,
2992         m68hc11_shift_operator, m68hc11_unary_operator): Move to
2993         predicates.md.
2994         * config/m68hc11/m68hc11.h (PREDICATE_CODES): Remove.
2995         * config/m68hc11/m68hc11.md: Include predicates.md.
2996         * config/m68hc11/predicates.md: New.
2997
2998 2005-04-02  Alexandre Oliva  <aoliva@redhat.com>
2999
3000         PR debug/19345
3001         * dwarf2out.c (add_abstract_origin_attribute): Revert accidental
3002         change checked in along with 2005-03-03's patch for debug/20253.
3003         * tree-inline.c (remap_type): Remap TYPE_STUB_DECL.
3004         (remap_decl): Insert type decl in map earlier.
3005
3006 2005-04-02  Alexandre Oliva  <aoliva@redhat.com>
3007
3008         PR tree-optimization/20640
3009         * tree-ssa-dce.c (remove_dead_stmt): Don't redirect edge to
3010         post-dominator if it has phi nodes.
3011         (eliminate_unnecessary_stmts): Remove dead phis in all blocks
3012         before dead statements.
3013
3014 2005-04-02  Alexandre Oliva  <aoliva@redhat.com>
3015
3016         PR middle-end/20491
3017         * final.c (alter_subreg): Don't call subreg_regno for a non-REG.
3018
3019 2005-04-02  Alexandre Oliva  <aoliva@redhat.com>
3020
3021         PR rtl-optimization/20290
3022         * loop.c (for_each_insn_in_loop): Don't assume the loop body runs
3023         in every iteration if the entry point is the exit test.
3024
3025 2005-04-02  Hans-Peter Nilsson  <hp@axis.com>
3026
3027         * config/cris/cris.md (attribute "length"): Define.
3028
3029 2005-04-02  Geoffrey Keating  <geoffk@apple.com>
3030
3031         * config/rs6000/predicates.md (indexed_or_indirect_operand): New.
3032         (word_offset_memref_operand): New.
3033         * config/rs6000/rs6000-protos.h (word_offset_memref_operand): Delete.
3034         (indexed_or_indirect_operand): Delete.
3035         * config/rs6000/rs6000.c (word_offset_memref_operand): Delete.
3036         (indexed_or_indirect_operand): Delete.
3037
3038         * config/rs6000/t-darwin8: Comment out ppc64 multilib.
3039
3040         PR 20650
3041         * config/rs6000/rs6000.md (fix_truncdfsi2): Make destination
3042         a register.
3043
3044         * config/rs6000/t-darwin (TARGET_LIBGCC2_CFLAGS): Add -pipe.
3045         * config/t-darwin (TARGET_LIBGCC2_CFLAGS): Likewise.
3046
3047 2005-04-01  Jan-Benedict Glaw  <jbglaw@lug-owl.de>
3048
3049         * gcc/config/vax/vax.md: Spellcheck, fix whitespace.
3050
3051 2005-04-01  Ian Lance Taylor  <ian@airs.com>
3052
3053         * gcc.c: Don't include <sys/resource.h> or declare getrusage.
3054         (rus, prus): Remove static variables.
3055         (execute): Use pex_run/pex_get_status rather than pexecute/pwait.
3056         (process_command): Permit report_times and use_pipes together.
3057
3058 2005-04-01  Joseph S. Myers  <joseph@codesourcery.com>
3059
3060         * c-decl.c (validate_proto_after_old_defn): Look at
3061         TYPE_MAIN_VARIANT of argument types.
3062
3063 2005-04-01  Paul Brook  <paul@codesourcery.com>
3064
3065         * config/arm/arm.c (thumb_call_via_label): Include space for SP.
3066         (arm_output_function_epilogue): Allow call_via_SP.
3067         (thumb_call_via_reg, arm_file_end): Ditto.
3068         * config/arm/arm.h (struct machine_function): Include space for SP.
3069         (thumb_call_via_label): Update declaration.
3070
3071 2005-04-01  Ian Lance Taylor  <ian@airs.com>
3072
3073         * final.c (final_scan_insn): Revert part of 2005-03-30 patch: when
3074         doing a peephole optimization, once again put any notes in the
3075         proper position.
3076
3077 2005-04-01  Kazu Hirata  <kazu@cs.umass.edu>
3078
3079         * bb-reorder.c, fold-const.c, varasm.c: Fix comment typos.
3080
3081 2005-04-01  Nathan Sidwell  <nathan@codesourcery.com>
3082
3083         * local-alloc.c (update_equiv_regs): Use gcc_assert, gcc_unreachable.
3084         (block_alloc, find_free_reg): Likewise.
3085         * loop-doloop.c (doloop_modify): Likewise.
3086         * loop-invariant.c (record_use): Likewise.
3087         * loop-iv.c (get_biv_step_1, get_biv_step, iv_analyze,
3088         get_iv_value, canon_condition, eliminate_implied_condition,
3089         eliminate_implied_condition, simplify_using_initial_values,
3090         shorten_into_mode, canonicalize_iv_subregs,
3091         iv_number_of_iterations): Likewise.
3092         * loop-unroll.c (expand_var_during_unrolling): Likewise.
3093         * loop-unswitch.c (compare_and_jump_seq, unswitch_single_loop,
3094         unswitch_loop): Likewise.
3095         * loop.c (INSN_LUID, loop_optimize, rtx_equal_for_loop_p,
3096         move_movables, replace_call_address, find_and_verify_loops,
3097         rtx_equal_for_prefetch_p, fold_rtx_mult_add, loop_iterations,
3098         record_giv, final_giv_value, general_induction_var,
3099         simplify_giv_expr, extension_within_bounds_p, try_copy_prop,
3100         loop_giv_dump): Likewise.
3101
3102         * gcov-io.h (GCOV_CHECK, GCOV_CHECK_READING,
3103         GCOV_CHECK_WRITING): Remove.
3104         (gcov_position, gcov_rewrite): Use gcc_assert.
3105         * gcov-io.c (gcov_open, gcov_write_words, gcov_write_length,
3106         gcov_read_words, gcov_sync, gcov_seek): Use gcc_assert.
3107         * libgcov.c (__gcov_merge_single, __gcov_merge_delta): Use
3108         gcc_assert.
3109
3110 2005-04-01  Kazu Hirata  <kazu@cs.umass.edu>
3111
3112         * tree-inline.c: Fix a typo.
3113
3114 2005-04-01  Nathan Sidwell  <nathan@codesourcery.com>
3115
3116         * configure.ac (enable-checking): Explicitly set all variables for
3117         collective switch values.  Alphabetize variables. Rename
3118         ac_checking_valgrind to ac_valgrind_checking.  Allow 'none' as
3119         synonym for 'no'.
3120         * doc/install.texi (enable-checking): Update documentation.
3121         * configure: Rebuilt.
3122
3123 2005-04-01  Kazu Hirata  <kazu@cs.umass.edu>
3124
3125         * tree-inline.c (copy_body_r): Use CONSTANT_CLASS_P where
3126         possible.
3127
3128 2005-04-01  Richard Earnshaw  <richard.earnshaw@arm.com>
3129
3130         * arm.c (adjacent_mem_locations): Reject volatile memory refs.
3131         Also reject cases where this pattern will cause load delay stalls
3132         unless optimizing for size and it will produce a shorter sequence.
3133         * arm.md (arith_adjacent_mem): Make better use of ldm addressing
3134         variants to avoid pre-adjusting the base when possible.
3135
3136 2005-04-01  Richard Earnshaw  <richard.earnshaw@arm.com>
3137
3138         * arm.md (minmax_arithsi): Reject all eliminable registers, not just
3139         the frame and argument pointers.
3140         (strqi_preinc, strqi_predec, loadqi_preinc, loadqi_predec): Likewise.
3141         (loadqisi_preinc, loadqisi_predec, strsi_preinc): Likewise.
3142         (strsi_predec, loadsi_preinc, loadsi_predec): Likewise.
3143         (strqi_shiftpreinc, strqi_shiftpredec, loadqi_shiftpreinc): Likewise.
3144         (loadqi_shiftpredec, strsi_shiftpreinc, strsi_shiftpredec): Likewise.
3145         (loadsi_shiftpreinc, loadsi_shiftpredec): Likewise.
3146
3147 2005-04-01  Danny Smith  <dannysmith@users.sourceforge.net>
3148
3149         * config/i386/cygming.h (SUBTARGET_ATTRIBUTE_TABLE): Define,
3150         with entry for selectany attribute.
3151         * config/i386/i386-protos.h (ix86_handle_selectany_attribute):
3152         Declare.
3153         * config/i386/winnt.c (ix86_handle_selectany_attribute): Define.
3154         (i386_pe_asm_named_section): Handle sections generated by
3155         selectany attribute.
3156         * doc/extend.texi (selectany): Document attribute.
3157
3158 2005-04-01  Paolo Bonzini  <bonzini@gnu.org>
3159             Jan Hubicka  <jh@suse.cz>
3160
3161         * config/i386/i386.c (ix86_decompose_address): Look inside SUBREGs
3162         to fix addresses involving EBP and ESP.
3163         (aligned_operand, legitimate_address_p, ix86_address_cost): Be prepared
3164         for SUBREGed registers.
3165         (legitimate_address_p): Accept SUBREGed registers.
3166
3167 2005-04-01  Jakub Jelinek  <jakub@redhat.com>
3168
3169         PR c++/19406
3170         * dwarf2out.c (gen_type_die_for_member): Handle FIELD_DECL.
3171         (dwarf2out_imported_module_or_decl): Use gen_type_die_for_member
3172         for FIELD_DECLs.
3173
3174 2005-04-01  Kazu Hirata  <kazu@cs.umass.edu>
3175
3176         * doc/contrib.texi, doc/invoke.texi, doc/tm.texi: Fix typos.
3177
3178 2005-04-01  James E Wilson  <wilson@specifixinc.com>
3179
3180         PR c++/20505
3181         * dwarf2out.c (rtl_for_decl_init): New function.
3182         (rtl_for_decl_location): Extracted from here.
3183         (tree_add_const_value_attribute): Call rtl_for_decl_init and
3184         add_const_value_attribute.  Delete initializer_constant_valid_p call.
3185
3186 2005-04-01  Kazu Hirata  <kazu@cs.umass.edu>
3187
3188         * cgraphunit.c, dbxout.c, flow.c, gcse.c, gimplify.c,
3189         lambda-code.c, loop.c, machmode.def, mips-tfile.c,
3190         modulo-sched.c, passes.c, postreload-gcse.c, tree-eh.c,
3191         tree-ssa-ccp.c, varasm.c, config/frv/frv.c, config/frv/frv.h,
3192         config/frv/frv.md, config/i386/i386.c, config/i386/i386.h,
3193         config/i386/i386.md, config/rs6000/predicates.md,
3194         config/rs6000/rs6000.c, config/s390/fixdfdi.h,
3195         config/s390/s390.c, config/stormy16/stormy16.c,
3196         config/stormy16/stormy16.md, config/vax/vax.md: Fix comment
3197         typos.
3198
3199 2005-04-01  Joseph S. Myers  <joseph@codesourcery.com>
3200
3201         PR c/17855
3202         * gimplify.c (gimplify_expr): Create a temporary for lvalue
3203         COND_EXPR and CALL_EXPR.
3204
3205 2005-03-31  Vladimir Makarov  <vmakarov@redhat.com>
3206
3207         PR target/20632
3208         * genautomata.c (first_cycle_unit_presence): Check all alternative
3209         states for unit presence.
3210
3211         * doc/md.texi: Remove remark about impossibility to query unit
3212         presence in non nondeterministic automaton state.
3213
3214         * config/ia64/ia64.c (get_template): Change order of unit querying.
3215
3216 2005-03-31  Kazu Hirata  <kazu@cs.umass.edu>
3217
3218         * tree-ssa-dom.c (cprop_into_successor_phis): Remove an
3219         obsolete comment.
3220
3221 2005-03-31  Zdenek Dvorak  <dvorakz@suse.cz>
3222
3223         * cfgloopanal.c (mark_loop_exit_edges): Clean EDGE_LOOP_EXIT
3224         flag for edges outside any loops.
3225
3226 2005-03-31  Janis Johnson  <janis187@us.ibm.com>
3227
3228         * doc/sourcebuild.texi (Test Directives): Describe cleanup-* procs.
3229
3230 2005-03-31  Kazu Hirata  <kazu@cs.umass.edu>
3231
3232         * tree-ssa-alias.c: Follow spelling conventions.
3233         * doc/tree-ssa.texi: Fix a typo.
3234
3235 2005-03-31  J"orn Rennecke <joern.rennecke@st.com>
3236
3237         * postreload-gcse.c: Include target.h.
3238         (gcse_after_reload_main): Return early if we cannot modify jumps.
3239         * Makefile.in (postreload-gcse.o): Depend on $(TARGET_H).
3240
3241 2005-03-31  David Edelsohn  <edelsohn@gnu.org>
3242
3243         * tree-ssa-loop-im.c (stmt_cost): Add RDIV_EXPR to list of
3244         expensive operations.
3245
3246 2005-03-31  Ian Lance Taylor  <ian@airs.com>
3247
3248         * collect2.c (lderrout): New variable.
3249         (collect_exit): Dump ldout to stdout.  Dump and unlink lderrout,
3250         if it is set, to stderr.
3251         (handler): Unlink lderrout if it is set.
3252         (dump_file): Add "to" parameter.  Change all callers.
3253         (main): Initialize lderrout.
3254         (collect_execute): Add errname parameter.  Change all callers.
3255         Rename redir parameter to outname.  Never pass
3256         PEX_STDERR_TO_STDOUT to pex_run.
3257         * collect2.h (collect_execute, dump_file): Update declarations.
3258         * tlink.c (tlink_execute): Add errname parameter.  Change all
3259         callers.
3260         (do_tlink): Check lderrout as well as ldout.
3261
3262 2005-03-31  Caroline Tice  <ctice@apple.com>
3263
3264         * Makefile.in (varasm.o): Add basic-block.h to list of requirements.
3265         (bb-reorder.o): Add errors.h to list of requirements.
3266         (STAGEFEEDBACK_FLAGS_TO_PASS): Add -freorder-blocks-and-partition to
3267         profiledbootstrap flags.
3268         * bb-reorder.c (errors.h): Add new include.
3269         (struct bbro_basic_block_data_def): Add new field, in_trace.
3270         (add_unlikely_executed_notes):  Remove function.
3271         (mark_bb_for_unlikely_executed_section): Remove function.
3272         (insert_section_boundary_note): New function.
3273         (verify_hot_cold_block_grouping): New function.
3274         (push_to_next_round_p): Remove variables and tests that push all
3275         cold blocks to last round.
3276         (find_traces): Remove code that added extra round of trace finding
3277         when doing partitioning.
3278         (find_traces_1_round) :  Remove variable last_round;  add code to
3279         update new struct field, in_trace; correct trace_length where it was
3280         incorrect before (after call to copy_bb); change code that pushed all
3281         cold blocks to last round. Instead verify that all blocks going into
3282         a trace belong in the same partition.
3283         (connect_traces): Modify to connect the traces in two passes, if the
3284         function contains both hot and cold blocks.  The first pass connects
3285         all the traces for blocks in the partition that the first block in
3286         the function belongs to; the second pass connnects all the traces
3287         containing blocks that belong in the other partition.
3288         (find_rarely_executed_basic_blocks_and_crossing_edges):  Remove
3289         code that automatically put the first block in a function into the
3290         hot partition if the function had any hot blocks.
3291         (fix_crossing_unconditional_branches): Check number of succ edges
3292         before attempting to get one.
3293         (fix_edges_for_rarely_executed_code):  Update comment describing
3294         function.
3295         (reorder_basic_blocks):  Add code to initialize new field (in_trace);
3296         remove call to add_unlikely_executed_notes; add call to
3297         verify_hot_cold_block_grouping.
3298         (duplicate_computed_gotos): Don't change computed goto if it's a
3299         crossing edge.
3300         (partition_hot_cold_basic_blocks):  Update function comment.
3301         * cfgcleanup.c (try_simplify_condjump): Remove redundacy from
3302         condition.
3303         (try_forward_edges): Likewise.
3304         (merge_blocks_move_predecessor_nojumps): Likewise.
3305         (merge_blocks_move_successor_nojumps): Likewise.
3306         (merge_blocks_move): Likewise.
3307         (try_crossjump_bb): Likewise.
3308         * cfglayout.c (update_unlikely_executed_notes): Remove function.
3309         (fixup_reorder_chain): Remove code for adding UNLIKELY_EXECUTED_CODE
3310         notes to cold bb's; remove call to update_unlikely_executed_notes.
3311         (duplicate_insn_chain):  change NOTE_INSN_UNLIKELY_EXECUTED_CODE to
3312         NOTE_INSN_SWITCH_TEXT_SECTIONS.
3313         * cfglayout.h (scan_ahead_for_unlikely_executed_note): Remove
3314         function declaration.
3315         * cfgrtl.c (can_delete_note_p): Remove UNLIKELY_EXECUTED_CODE note
3316         from consideration.
3317         (rtl_can_merge_blocks): Remove redundancy from condition.
3318         (try_redirect_by_replacing_jump): Likewise.
3319         (force_nonfallthru_and_redirect): Remove code for adding
3320         UNLIKELY_EXECUTED_CODE notes to cold bb's.
3321         (commit_one_edge_insertion): Likewise.
3322         (cfg_layout_can_merge_blocks_p): Remove redundancy from condition.
3323         * dbxout.c (FORCE_TEXT): Replace function_section with
3324         current_function_section.
3325         (struct dbx_debug_h): Add do_nothing function for new debug_hooks
3326         function, switch_text_section.
3327         (struct xcoff_debug): Likewise.
3328         (dbxout_function_end): Add code to put out label diffs for both
3329         hot and cold sections.
3330         * debug.c (struct do_nothing_debug_hooks): Add do_nothing function
3331         for new debug_hooks funciton, switch_text_section..
3332         * debug.h (struct gcc_debug_hooks):  Add new function to debug_hooks,
3333         switch_text_section.
3334         * dwarf2out.c (struct dw_fde_struct):  Add five new fields:
3335         dw_fde_hot_section_label, dw_fde_hot_section_end_label,
3336         dw_fde_unlikely_section_label, dw_fde_unlikely_section_end_label and
3337         dw_fde_switched_sections.
3338         (output_call_frame_info):  Add test to see if function switches text
3339         sections in the middle; if so, use appropriate extra hot and cold
3340         section labels to compute size deltas for the hot and cold sections.
3341         (dwarf2out_begin_prologue): Add code to initialize new fields in
3342         dw_fde_struct.
3343         (dwarf2out_switch_text_section): New function (invoked through
3344         debug_hook); updates new fields in dw_fde_struct appropriately and
3345         increments separate_line_info_table_in_use.
3346         (dwarf2_debug_hooks): Initialize switch_text_section function to be
3347         dwarf2out_switch_text_section.
3348         (struct var_loc_node): Add new field, section_label.
3349         (output_aranges): Add code to check whether in hot or cold section and
3350         use the appropriate label in calculating deltas.
3351         (output_ranges): Likewise.
3352         (output_line_info): Add code to check which section we're in and
3353         use appropriate hot/cold label.
3354         (add_location_or_constant_value_attribute): Likewise.
3355         (gen_subprogam_die): Modify arange attributes to use correct labels.
3356         (dwarf2out_begin_block): Change call to function_section into call to
3357         current_function_section.
3358         (dwarf2out_end_block): Likewise.
3359         (dwarf2out_source_line): Likewise.
3360         (dwarf2out_var_location): Add code to check whether in hot or cold
3361         section and use the appropriate label.
3362         * except.c (output_function_exception_table): Change call to
3363         function_section into call to current_function_section.
3364         * final.c (profile_function): Likewise.
3365         (scan_ahead_for_unlikely_executed_note): Remove function.
3366         (final_scan_insn):  Remove calls to
3367         scan_ahead_for_unlikely_executed_note, and related code for switching
3368         to cold section, except for the single time
3369         NOTE_INSN_SWITCH_TEXT_SECTIONS may be encountered;  add calls to
3370         debug_hooks->switch_text_sections; replace appropriate calls to
3371         function_section with calls to current_function_section.
3372         * ifcvt.c (find_if_case_1): Remove redundancy from condition, add
3373         test_bb to condition.
3374         (find_if_case_2): Likewise.
3375         * insn-notes.def: Change NOTE_INSN_UNLIKELY_EXECUTED_CODE to
3376         NOTE_INSN_SWITCH_TEXT_SECTIONS.  Update comment appropriately.
3377         * opts.c (decode_options): Change warning about hot/cold partitioning
3378         with exceptionss to inform (so as not to cause bootstrap failures);
3379         remove warning about partitioning with DWARF debug info.
3380         * output.h (current_function_section): Add new function decl.
3381         (insert_section_boundary_note): Likewise.
3382         (enum in_section): Move this declaration here from varasm.c.
3383         (unlikely_section_label): Likewise.
3384         (unlikely_text_section_name): Likewise.
3385         (last_text_section_name): New global variable.
3386         (last_text_section): Likewise.
3387         (hot_section_label): Likewise.
3388         (hot_section_end_label): Likewise.
3389         (cold_section_end_label): Likewise.
3390         * passes.c (rest_of_handle_final): Free unlikely_text_section_name.
3391         * print-rtl.c (print_rtx): Change NOTE_INSN_UNLIKELY_EXECUTED_CODE
3392         to NOTE_INSN_SWITCH_TEXT_SECTIONS.
3393         * reg-stack.c (emit_swap_insn): Remove UNLIKELY_EXECUTED_CODE note
3394         insn from consideration.
3395         * sdbout.c (sdb_debug_hooks): Add do_nothing for new function,
3396         switch_text_section.
3397         * varasm.c (basic-block.h): Add new include.
3398         (unlikely_section_label_printed): Remove global variable.
3399         (unlikely_section_label): Make global variable not be static any more.
3400         (unlikely_text_section_name): Likewise.
3401         (hot_section_end_label): New global variable (not static)
3402         (first_function_block_is_cold): Likewise.
3403         (hot_section_label): Likewise.
3404         (cold_section_end_label): Likewise..
3405         (last_text_section): New global variable, not static.
3406         (last_text_section_name): New global variable, not static.
3407         (initialize_cold_section_name): New function.
3408         (enum in_section): Move declaration to output.h.
3409         (text_section): Update last_text_section.
3410         (unlikely_text_section): Replace code to determine cold section name
3411         with call to initialize_cold_section_name; Add code to update
3412         last_text_section; remove code for printing out label.
3413         (named_section_real): Add code to update last_text_section and
3414         last_text_section_name as appropriate.
3415         (function_section): Change test for 'unlikely' to depend on
3416         first_function_block_is_cold (moved old test to
3417         current_function_section).
3418         (current_function_section): New function.
3419         (assemble_start_function): Move code that frees
3420         unlikely_text_section_name; initialize hot_section_end_label;
3421         print hot and cold section labels at the start of the function;
3422         set first_function_block_is_cold, if appropriate; initialize l
3423         ast_text_section; add call to insert_section_boundary_note.
3424         (assemble_end_function):  Add code to write out hot and cold section
3425         end labels.
3426         *vmsdbgout.c (vmsdbg_debug_hooks): Add do_nothing for new function,
3427         switch_text_section.
3428         * config/darwin.c (machopic_select_section): Replace incorrect
3429         function in base_funs; update reloc for cold sections if necessary.
3430         * config/darwin.h (SECTION_FUNCTION):  Add code to update
3431         last_text_section if appropriate.
3432         (text_unlikely_section): Remove.
3433         * config/sparc/sparc.c (sparc_output_deferred_case_vectors): Likewise.
3434         * config/stormy16/stormy16.c (stormy_16_output_addr_vec): Likewise.
3435         * config/xtensa/xtensa.c (override_options): Turn off hot/cold
3436         partitioning for this architecture.
3437
3438 2005-03-31  Olivier Hainque  <hainque@adacore.com>
3439
3440         * dwarf2out.c (dwarf2out_frame_finish): Honor DWARF2_FRAME_INFO
3441         defined and non-zero.
3442
3443 2005-03-31  Gabriel Dos Reis  <gdr@integrable-solutions.net>
3444
3445         PR c++/18644
3446         * doc/invoke.texi (-Wsynth): Don't document, as it now is void of
3447         semantics.
3448
3449 2005-03-31  Alan Modra  <amodra@bigpond.net.au>
3450
3451         PR target/20611
3452         * config/rs6000/rs6000.md (load_toc_v4_PIC_1b): Remove inline
3453         label operand.  Remove (use (unspec..)).  Don't emit a label on
3454         the offset word.
3455         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Don't
3456         generate inline label for load_toc_v4_PIC_1b.
3457         (rs6000_emit_load_toc_table): Likewise.
3458
3459 2005-03-31  Kazu Hirata  <kazu@cs.umass.edu>
3460
3461         * config.gcc: Obsolete i860-*-sysv4*, ip2k-*-elf,
3462         ns32k-*-netbsdelf*, and ns32k-*-netbsd*.
3463
3464 2005-03-29  Devang Patel  <dpatel@apple.com>
3465
3466         * tree-sra.c (decide_block_copy): Disable scalarization of
3467         sub-elements.
3468
3469 2005-03-30  Stuart Hastings  <stuart@apple.com>
3470             Dale Johannesen  <dalej@apple.com>
3471
3472         * Makefile.in (print-tree.o):  Depend on tree-iterator.h.
3473         * print-tree.c (print_node):  Add case STATEMENT_LIST.
3474
3475 2005-03-31  Alan Modra  <amodra@bigpond.net.au>
3476
3477         * config.gcc (cpu_is_64bit): Set for 64-bit powerpc cpus.
3478         (powerpc64-*-linux*): Use it.  Rearrange tm_file assignment.
3479         (powerpc-*-linux*): Build a biarch compiler when --enable-targets
3480         is given with "powerpc64*" or "all", or when --with-cpu chooses
3481         a 64-bit cpu.
3482
3483 2005-03-30  James E. Wilson  <wilson@specifixinc.com>
3484
3485         PR debug/20268
3486         * dwarf2out.c (add_high_low_attributes): New function, extracted from
3487         gen_lexical_block_die.
3488         (gen_lexical_block_die, gen_inlined_subroutine_die): Call it.
3489
3490 2005-03-31  Jan Hubicka  <jh@suse.cz>
3491
3492         2004-11-02  Jan Hubicka  <jh@suse.cz>
3493
3494         * cgraph.c (cgraph_varpool_node_name): New function.
3495         (dump_cgraph_varpool_node): New function.
3496         (dump_varpool): New function.
3497         * cgraphunit.c (cgraph_optimize): Dump varpool.
3498
3499         2004-10-16  Jan Hubicka  <jh@suse.cz>
3500
3501         * cgraph.c (decide_is_variable_needed): New function.
3502         (cgraph_varpool_finalize_decl): Use it.
3503         * cgraphunit.c (cgraph_optimize): Assemble_pending_decls when not doing
3504         unit-at-a-time.
3505         * final.c (output_addr_const): Do not call mark_referenced.
3506         * passes.c (rest_of_decl_compilation): ifdef out DECL_RTL_SET_P hack;
3507         always go via cgraph.
3508         * toplev.c (wrapup_global_declarations): Kill non-unit-at-a-time code.
3509         (check_global_declarations): Ifdef out code clearing DECL_RTL.
3510         * tree-optimize.c (execute_inline): Mark functions called.
3511         * i386.c (output_pic_addr_const): Do not call mark_decl_referenced.
3512
3513         2004-10-11  Jan Hubicka  <jh@suse.cz>
3514
3515         * cgraph.c (cgraph_varpool_first_unanalyzed_node): New global voriable
3516         (cgraph_varpool_last_needed_node): New static variable.
3517         (enqueue_needed_varpool_node): Break out from ...; add items to the
3518         end of queue; update first pointers.
3519         (cgraph_varpool_mark_needed_node): ... here.
3520         (cgraph_varpool_finalize_decl): Use enqueue_needed_varpool_node.
3521         (cgraph_varpool_assemble_pending_decls): Move to cgraphunit.c
3522         * cgraph.h (cgraph_varpool_node): Add analyzed field.
3523         (cgraph_varpool_first_unanalyzed_node): Declare.
3524         * cgraphunit.c: Include output.h.
3525         (cgraph_varpool_analyze_pending_decls): New function.
3526         (cgraph_varpool_assemble_pending_decls): Move from cgraph.c; bail out
3527         for errors, analyze pending decls.
3528         (cgraph_finalize_compilation_unit): Only analyze decls.
3529         (cgraph_optimize): Assemble the decls after expanding.
3530
3531 2005-03-30  Daniel Berlin  <dberlin@dberlin.org>
3532
3533         * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Make sure
3534         subvars get marked properly in tags for grouping.
3535         (add_pointed_to_var): Mark only actual pointed to
3536         variables/subvars in addresses needed.
3537         (create_overlap_variables_for): Clear call clobbered on original
3538         variable.
3539         * tree-ssa-operands.c (get_asm_expr_operands): Don't let regular
3540         addresable vars with subvars into list.
3541         * tree-ssa.c (verify_ssa_name): Verify original is not used where
3542         subvar should be.
3543
3544 2005-03-30  Richard Henderson  <rth@redhat.com>
3545
3546         * cgraph.h (struct cgraph_node): Add alias.
3547         * varasm.c (assemble_alias): Set it.
3548         * cgraphunit.c (cgraph_assemble_pending_functions): Check it and
3549         avoid calling cgraph_expand_function.
3550
3551 2005-03-30  Tom Tromey  <tromey@redhat.com>
3552
3553         * tree.def (FILE_TYPE): Removed.
3554         * typeclass.h (enum type_class): Removed file_type_class.
3555         * dwarf2out.c (is_base_type): Updated.
3556         (gen_type_die): Likewise.
3557         * dbxout.c (dbxout_type): Updated.
3558         * builtins.c (type_to_class): Updated.
3559         * tree.c (type_contains_placeholder_1): Updated.
3560         * config/sparc/sparc.c (sparc_type_code): Updated.
3561         * config/ia64/ia64.c (hfa_element_mode): Updated.
3562         * expr.c (count_type_elements): Updated.
3563         * stor-layout.c (layout_type): Updated.
3564         * tree-inline.c (remap_type): Updated.
3565         * tree-pretty-print.c (dump_generic_node): Updated.
3566
3567 2005-03-30 Fariborz Jahanian <fjahanian@apple.com>
3568
3569         * builtins.c (expand_builtin_powi): Fix mode of
3570         2nd argument to match int.
3571         * libgcc2.h (__powisf2, __powidf2, __powixf2, __powitf2): Change
3572         2nd argument type to int.
3573         * libgcc2.c: Change prototype of __powi* functions to use
3574         int.
3575
3576 2005-03-30  Dale Johannesen  <dalej@apple.com>
3577
3578         PR middle-end/19225
3579         * calls.c (expand_call):  Flush pending deferrals before
3580         throwing call.
3581
3582 2005-03-30  Joseph S. Myers  <joseph@codesourcery.com>
3583
3584         PR c/772
3585         PR c/17913
3586         * c-tree.h (C_DECL_UNJUMPABLE_STMT_EXPR,
3587         C_DECL_UNDEFINABLE_STMT_EXPR, struct c_label_list, struct
3588         c_label_context, label_context_stack): New.
3589         * c-decl.c (define_label): Check for jumps into statement
3590         expressions.  Add label to list of defined labels.
3591         (start_function): Push context on label_context_stack.
3592         (finish_function): Pop context from label_context_stack.
3593         * c-typeck.c (label_context_stack): New.
3594         (c_finish_goto_label): Check for jumps into statement
3595         expressions.  Add label to list of jumped to labels.
3596         (struct c_switch): Add blocked_stmt_expr.
3597         (c_start_case): Initialize it.
3598         (do_case): Check it.
3599         (c_finish_case): Verify !blocked_stmt_expr.
3600         (c_begin_stmt_expr):  Push context on label_context_stack.
3601         Increment blocked_stmt_expr.  Mark labels jumped to from outside
3602         as undefinable.
3603         (c_finish_stmt_expr): December blocked_stmt_expr.  Mark labels
3604         defined in the statement expression and no longer jumpable to.
3605         Mark labels jumped to from just outside the statement expression
3606         as again definable.  Pop context from label_context_stack.
3607         * doc/extend.texi (Statement Exprs): Update.
3608
3609 2005-03-30  Joseph S. Myers  <joseph@codesourcery.com>
3610
3611         PR c/20368
3612         * c-decl.c (start_function): Check for old_decl being
3613         error_mark_node.
3614
3615 2005-03-30  Ian Lance Taylor  <ian@airs.com>
3616
3617         * final.c (final): Remove prescan parameter.  Change all callers.
3618         (final_scan_insn): Remove prescan parameter.  Change all callers.
3619
3620 2005-03-30  Kazu Hirata  <kazu@cs.umass.edu>
3621
3622         * tree-vectorizer.c: Fix comment typos.
3623
3624 2005-03-30  Sebastian Pop  <pop@cri.ensmp.fr>
3625
3626         * tree-scalar-evolution.c (instantiate_parameters_1): Return
3627         as soon as a chrec_dont_know is detected.
3628
3629 2005-03-31  Danny Smith  <dannysmith@users.sourceforge.net>
3630
3631         Merge from csl-arm-branch.
3632         2004-02-12  Mark Mitchell  <mark@codesourcery.com>
3633
3634         * tlink.c (recompile_files): Do not assume that "rename" can
3635         overwrite an existing file.
3636
3637 2005-03-31  Paolo Bonzini  <bonzini@gnu.org>
3638
3639         * gcc/configure.ac (TL_AC_GNU_MAKE_GCC_LIB_PATH): Remove.
3640         * gcc/configure: Regenerate.
3641
3642 2005-03-30  Alan Modra  <amodra@bigpond.net.au>
3643
3644         * doc/install.texi: Update binutils requirement for powerpc*-linux.
3645
3646         * config/rs6000/rs6000.c (rs6000_arg_partial_bytes): Update comments.
3647
3648         * calls.c (struct arg_data): Update "partial" comment.
3649         (load_register_parameters): Update "nregs" comment.
3650
3651 2005-03-30  Richard Sandiford  <rsandifo@redhat.com>
3652
3653         * config/iq2000/iq2000.h (target_flags, MASK_GPOPT, MASK_EMBEDDED_DATA)
3654         (MASK_UNINIT_CONST_IN_RODATA, TARGET_EMBEDDED_DATA, TARGET_SWITCHES)
3655         (TARGET_DEFAULT, TARGET_CPU_DEFAULT, SUBTARGET_TARGET_OPTIONS)
3656         (TARGET_OPTIONS, iq2000_cpu_string, iq2000_arch_string): Delete.
3657         (TARGET_DEBUG_MODE, TARGET_DEBUG_A_MODE, TARGET_DEBUG_B_MODE)
3658         (TARGET_DEBUG_C_MODE, TARGET_DEBUG_D_MODE): Define to 0 rather
3659         than target_flags & 0.
3660         * config/iq2000/iq2000.c (iq2000_cpu_string, iq2000_arch_string)
3661         (iq2000_arch, iq2000_parse_cpu): Delete.
3662         (TARGET_HANDLE_OPTION): Override default.
3663         (iq2000_handle_option): New function.
3664         (override_options): Remove -march= and -mcpu= handling.
3665         * config/iq2000/iq2000.opt: New file.
3666
3667 2005-03-30  Richard Sandiford  <rsandifo@redhat.com>
3668
3669         * config/c4x/c4x-protos.h (c4x_rpts_cycles, c4x_cpu_version): Delete.
3670         * config/c4x/c4x.h (SMALL_MEMORY_FLAG, MPYI_FLAG, FAST_FIX_FLAG)
3671         (RPTS_FLAG, C3X_FLAG, TI_FLAG, PARANOID_FLAG, MEMPARM_FLAG, DEVEL_FLAG)
3672         (RPTB_FLAG, BK_FLAG, DB_FLAG, DEBUG_FLAG, HOIST_FLAG)
3673         (LOOP_UNSIGNED_FLAG, FORCE_FLAG, PRESERVE_FLOAT_FLAG)
3674         (PARALLEL_INSN_FLAG, PARALLEL_MPY_FLAG, ALIASES_FLAG, C30_FLAG)
3675         (C31_FLAG, C32_FLAG, C33_FLAG, C40_FLAG, C44_FLAG, TARGET_SWITCHES)
3676         (TARGET_DEFAULT, TARGET_SMALL, TARGET_MPYI, TARGET_FAST_FIX)
3677         (TARGET_RPTS, TARGET_TI, TARGET_PARANOID, TARGET_MEMPARM, TARGET_DEVEL)
3678         (TARGET_RPTB, TARGET_BK, TARGET_DB, TARGET_DEBUG, TARGET_HOIST)
3679         (TARGET_LOOP_UNSIGNED, TARGET_FORCE, TARGET_PRESERVE_FLOAT)
3680         (TARGET_PARALLEL, TARGET_PARALLEL_MPY, TARGET_ALIASES)
3681         (c4x_rpts_cycles_string, c4x_cpu_version_string)
3682         (TARGET_OPTIONS): Delete.
3683         (c4x_rpts_cycles, c4x_cpu_version): Declare.
3684         (TARGET_C3X, TARGET_C30, TARGET_C31, TARGET_C32, TARGET_C33)
3685         (TARGET_C40, TARGET_C44): Redefine in terms of c4x_cpu_version.
3686         * config/c4x/c4x.c (c4x_rpts_cycles_string): Delete.
3687         (c4x_cpu_version_string): Delete.
3688         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
3689         (c4x_handle_option): New function.  Map -m3x and -m4x options to the
3690         equivalent -mcpu= option.
3691         (c4x_override_options): Remove -mrpts= and -mcpu= handling from here.
3692         Deal with the extra conditions in the old TARGET_MPYI, TARGET_RPTB,
3693         TARGET_DB, TARGET_PARALLEL and TARGET_PARALLEL_MPY macros by setting
3694         or clearing the appropriate MASK_* bit.
3695         (c4x_file_start): Use c4x_cpu_version.
3696         * config/c4x/c4x.opt: New file.
3697
3698 2005-03-30  Richard Sandiford  <rsandifo@redhat.com>
3699
3700         * doc/options.texi: Document the new MaskExists flag.
3701         * opth-gen.awk: Don't output MASK and TARGET macros for Mask(...)
3702         if the option has the MaskExists flag.
3703
3704 2005-03-30  Richard Sandiford  <rsandifo@redhat.com>
3705
3706         * opt-functions.awk (flag_set_p, test_flag): New functions.
3707         (switch_flags): Use them.
3708         * opth-gen.awk: Use flag_set_p to check for flags.
3709         * optc-gen.awk: Likewise.  Use opt_args to check for Init(...) flags.
3710
3711 2005-03-30  Ian Lance Taylor  <ian@airs.com>
3712
3713         * config.host (i[34567]86-*-mingw32*): Don't set
3714         host_can_use_collect2 to no.
3715
3716 2005-03-30  Alan Modra  <amodra@bigpond.net.au>
3717
3718         PR target/20203
3719         * builtins.c (get_memory_rtx): Expand address exp using EXPAND_NORMAL.
3720         Remove convert_memory_address call duplicating that in memory_address.
3721
3722 2005-03-29  Richard Henderson  <rth@redhat.com>
3723
3724         PR c/20519
3725         * c-decl.c (c_finish_incomplete_decl): Update complete_array_type call.
3726         (build_compound_literal): Likewise.  Propagate decl type into the
3727         initializer.
3728         (finish_decl): Likewise.  Use new return value from complete_array_type
3729         for zero sized arrays.
3730         (complete_array_type): Move ...
3731         * c-common.c (complete_array_type): ... here.  Change first argument
3732         to pointer-to-type-node.  Consistently use sizetype for the index
3733         except for zero sized arrays.  Detect zero sized arrays for pedantic
3734         mode diagnostics.  Create a new type node instead of modifying the
3735         old node in place.
3736         * c-tree.h (complete_array_type): Move decl ...
3737         * c-common.h (complete_array_type): ... here.
3738
3739 2005-03-29  Richard Henderson  <rth@redhat.com>
3740
3741         PR tree-opt/19108
3742         * tree-sra.c (generate_element_init_1): Handle RANGE_EXPR.
3743
3744 2005-03-29  Kazu Hirata  <kazu@cs.umass.edu>
3745
3746         * builtin-types.def, c-convert.c, c-format.c, ddg.c, debug.c,
3747         debug.h, et-forest.c, et-forest.h, gcov.c, rtl-profile.c,
3748         rtlhooks-def.h, rtlhooks.c, sdbout.c, tree-inline.h,
3749         tree-profile.c, tsystem.h, value-prof.h: Update copyright.
3750
3751 2005-03-29  Eric Christopher  <echristo@redhat.com>
3752
3753         * config/mips/mips.c (mips_gimplify_va_arg_expr): Update for
3754         truthvalue conversion removal.
3755
3756 2005-03-29  Ian Lance Taylor  <ian@airs.com>
3757
3758         PR bootstrap/14316
3759         * collect2.c: Never include <vfork.h>.
3760         (VFORK_STRING, vfork): Don't define.
3761         (pid): Remove global variable.
3762         (handler): Call raise instead of kill (getpid(), ...).
3763         (collect_wait): Add pex parameter.  Change all callers.  Use
3764         pex_get_status rather than pwait.
3765         (do_wait): Add pex parameter.  Change all callers.
3766         (collect_execute): Return struct pex_obj * rather than void.  Use
3767         pex routines rather than pexecute.
3768         (fork_execute): Get pex_obj from collect_execute, and pass it to
3769         do_wait.
3770         (scan_prog_file): Use pex routines rather than pipe/vfork/exec.
3771         Only declare quit_handler if SIGQUIT is defined.
3772         (scan_libraries): Likewise.
3773         * collect2.h (collect_execute): Update declaration.
3774         (collect_wait): Update declaration.
3775         * tlink.c (tlink_execute): Get pex_obj from collect_execute, and
3776         pass it to collect_wait.
3777
3778 2005-03-29  Joseph S. Myers  <joseph@codesourcery.com>
3779
3780         PR c/20672
3781         * c-parser.c (c_parser_compound_statement_nostart): Give error
3782         message for EOF instead of just setting parser->error.
3783
3784 2005-03-29  Dorit Naishlos  <dorit@il.ibm.com>
3785
3786         * tree-vectorizer.c (slpeel_update_phi_nodes_for_guard): Removed.
3787         (slpeel_update_phi_nodes_for_guard1): New function.
3788         (slpeel_update_phi_nodes_for_guard2): New function.
3789         (slpeel_tree_peel_loop_to_edge): Call above new functions instead
3790         of slpeel_update_phi_nodes_for_guard.
3791         (vectorize_loops): Remove call to loop_closed_rewrite.
3792         * tree-vect-transform.c (vect_update_ivs_after_vectorizer): Remove
3793         assertion.
3794
3795 2005-03-29  Richard Sandiford  <rsandifo@redhat.com>
3796
3797         * config/m32r/little.h (TARGET_ENDIAN_DEFAULT): Delete.
3798         (TARGET_LITTLE_ENDIAN): New macro.
3799         * config/m32r/m32r.h (SUBTARGET_SWITCHES, target_flags)
3800         (TARGET_RELAX_MASK, TARGET_DEBUG_MASK, TARGET_DEBUG)
3801         (TARGET_ALIGN_LOOPS_MASK, TARGET_ALIGN_LOOPS)
3802         (TARGET_LOW_ISSUE_RATE_MASK, TARGET_LOW_ISSUE_RATE)
3803         (TARGET_BRANCH_COST_MASK, TARGET_BRANCH_COST, TARGET_M32RX_MASK)
3804         (TARGET_M32RX, TARGET_M32R2_MASK, TARGET_M32R2, LITTLE_ENDIAN_BIT)
3805         (TARGET_ENDIAN_DEFAULT, SUBTARGET_SWITCHES, TARGET_DEFAULT)
3806         (TARGET_SWITCHES, m32r_model_string, m32r_sdata_string)
3807         (m32r_cache_flush_trap_string, SUBTARGET_OPTIONS)
3808         (TARGET_OPTIONS): Delete.
3809         (M32R_MODEL_DEFAULT, M32R_SDATA_DEFAULT): Turn into enums.
3810         (CACHE_FLUSH_TRAP): Turn into an integer.
3811         (TARGET_LITTLE_ENDIAN): Define to 0 by default.
3812         (INITIALIZE_TRAMPOLINE): Check m32r_cache_trap >= 0 to see if
3813         -mflush-trap is in use.
3814         * config/m32r/m32r.c (m32r_model_string, m32r_sdata_string)
3815         (m32r_cache_flush_trap_string): Delete.
3816         (m32r_model) Initialize to M32R_MODEL_DEFAULT.
3817         (m32r_sdata): Likewise M32R_SDATA_DEFAULT.
3818         (m32r_cache_trap): Likewise CACHE_FLUSH_TRAP.
3819         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
3820         (m32r_handle_option): New function.  Move -mflush-trap=, -mflush-func=,
3821         -mmodel= and -msdata= handling from...
3822         (m32r_init): ...here.
3823         * config/m32r/m32r.opt: New file.
3824
3825 2005-03-29  Keith Besaw  <kbesaw@us.ibm.com>
3826
3827         * tree-ssanames.c (duplicate_ssa_name_ptr_info): New function.
3828         (duplicate_ssa_name): Call duplicate_ssa_name_ptr_info.
3829         * tree-vect-analyze.c (vect_object_analysis): additional parm
3830         pass back a "struct ptr_info_def *" with the points-to info.
3831         (vect_analyze_data_refs): set the STMT_VINFO_PTR_INFO for the
3832         statement using info returned from vect_object_analysis.
3833         * tree-vect-transform.c (update_vuses_to_preheader): New function.
3834         (vect_create_data_ref_ptr): Remove updates to vars_to_rename
3835         for virtual uses and defs when creating a replacement vector
3836         reference.  Call duplicate_ssa_name_ptr_info to define points-to
3837         info for vector pointer replacement using STMT_VINFO_PTR_INFO.
3838         (vectorizable_store): copy_virtual_operands and update
3839         definition statements.
3840         (vectorizable_load): copy_virtual_operands.  Remove call to
3841         mark_call_clobbered_vars_to_rename for call to "const" builtin.
3842         * tree-vectorizer.c (vectorize_loops): Remove calls to
3843         rewrite_into_ssa and bitmap_clear (vars_to_rename).
3844         (new_stmt_vec_info): initialize STMT_VINFO_PTR_INFO for stmt.
3845         * tree-vectorizer.h (_stmt_vec_info): add field ptr_info and
3846         define macro STMT_VINFO_PTR_INFO for use in accessing.
3847         * tree.h add export of duplicate_ssa_name_ptr_info.
3848         * rs6000.c (altivec_init_builtins): Declare builtin function
3849         __builtin_altivec_mask_for_load to be "const".
3850
3851 2005-03-29  Jakub Jelinek  <jakub@redhat.com>
3852
3853         PR middle-end/20622
3854         * cgraph.h (struct cgraph_varpool_node): Add alias field.
3855         * cgraph.c (cgraph_varpool_assemble_pending_decls): Don't call
3856         assemble_variable on aliases.
3857         * varasm.c (assemble_alias): Set node->alias.
3858         * toplev.c (wrapup_global_declarations): Don't call
3859         rest_of_decl_compilation on aliases again.
3860
3861 2005-03-29  Paul Brook  <paul@codesourcery.com>
3862
3863         * config/arm/arm-protos.h (arm_dbx_register_number): Add prototype.
3864         * config/arm/arm.c (arm_dbx_register_number): New function.
3865         * config/arm/arm.h (IS_FPA_REGNUM, DBX_REGISTER_NUMBER): Define.
3866
3867 2005-03-29  Eric Botcazou  <ebotcazou@libertysurf.fr>
3868
3869         PR middle-end/20263
3870         * varasm.c (make_decl_rtl) [ASM_DECLARE_REGISTER_GLOBAL]: Use
3871         the DECL_NAME, not the DECL_ASSEMBLER_NAME.
3872
3873 2005-03-29  Dale Johannesen <dalej@apple.com>
3874
3875         * Makefile.in (value-prof.o): New dependencies on $(DIAGNOSTIC_H)
3876         $(TREE_H) and $(COVERAGE_H).
3877         * coverage.c (compute_checksum): Use DECL_NAME not DECL_ASSEMBLER_NAME.
3878         * opts.c (common_handle_option): Enable tree-based value transforms.
3879         * toplev.c (process_options): Ditto.
3880         * value-prof.h (struct histogram_value_t): Redefine. "Adjust" below
3881         refers to references to this type.
3882         * tree-flow.h: (struct stmt_ann_d): Add histograms field.
3883         * rtl-profile.c (rtl_gen_interval_profiler): Adjust. Remove checks
3884         for may_be_more, may_be_less.
3885         (rtl_gen_pow2_profiler): Adjust.
3886         (rtl_gen_one_value_profiler_no_edge_manip): Adjust.
3887         (rtl_gen_one_value_profiler): Adjust.
3888         (rtl_gen_const_delta_profiler): Adjust.
3889         * tree-profile.c (tree_gen_interval_profiler): Implement.
3890         (tree_gen_pow2_profiler): Ditto.
3891         (tree_gen_one_value_profiler): Ditto.
3892         (tree_profiling): New.
3893         (pass_tree_profile): Reference it.
3894         * value-prof.c: Include tree-flow.h, tree-flow-inline.h, diagnostic.h,
3895         tree.h, gcov-io.h.
3896         (insn_divmod_values_to_profile): Rename to
3897         rtl_divmod_values_to_profile. Adjust.
3898         (insn_values_to_profile): Rename to rtl_values_to_profile. Adjust.
3899         (insn_prefetch_values_to_profile): Adjust.
3900         (rtl_value_profile_transformations): Adjust.
3901         (gen_divmod_fixed_value): Rename to rtl_divmod_fixed_value.
3902         (gen_mod_pow2): Rename to rtl_mod_pow2.
3903         (gen_mod_subtract): Rename to rtl_mod_subtract.
3904         (divmod_fixed_value_transform): Rename to
3905         rtl_divmod_fixed_value_transform.
3906         (mod_pow2_value_transform): Rename to rtl_mod_pow2_value_transform.
3907         (mod_subtract_transform): Rename to rtl_mod_subtract_transform.
3908         (rtl_find_values_to_profile): Adjust.
3909         (tree_value_profile_transformations): Implement.
3910         (tree_divmod_values_to_profile): New.
3911         (tree_values_to_profile): New.
3912         (tree_divmod_fixed_value): New.
3913         (tree_mod_pow2): New.
3914         (tree_mod_subtract): New.
3915         (tree_divmod_fixed_value_transform): New.
3916         (tree_mod_pow2_value_transform): New.
3917         (tree_mod_subtract_transform): New.
3918         (tree_find_values_to_profile): Implement.
3919         * profile.c (instrument_values):  Free histograms.
3920         (compute_value_histograms): Adjust. Implement tree version.
3921
3922 2005-03-29  Uros Bizjak  <uros@kss-loka.si>
3923
3924         * reg-stack.c (subst_stack_regs_pat): Handle <UNSPEC_FIST> case.
3925         * config/i386/i386.c (output_fix_trunc): Add new round_mode
3926         variable.  Output "fldcw" depending on round_mode.
3927         * config/i386/i386.md (UNSPEC_FIST): New.
3928         (fistdi2, fistdi2_with_temp, fist<mode>2, fist<mode>2_with_temp):
3929         New isns patterns to implement lrint and llrint built-ins as x87
3930         intrinsic function.
3931         (fistdi2, fist<mode>2 splitters): New splitters.
3932         (lrint<mode>2): New expanders.
3933
3934 2005-03-28  Ian Lance Taylor  <ian@airs.com>
3935
3936         * config/arc/arc.c (arc_output_function_epilogue): Pass prescan as
3937         0 when calling final_scan_insn.
3938
3939 2005-03-28  Jan Hubicka  <jh@suse.cz>
3940
3941         PR middle-end/20635
3942         * varasm.c (mark_decl_referenced): Do not mark extern inline functions
3943         as needed.
3944
3945         * tree-inline.c (estimate_num_insns_1): Use declaration to discover argument
3946         types where possible.
3947
3948 2005-03-26  Per Bothner  <per@bothner.com>
3949
3950         Make -f[no-]show-column also control non-cpp diagnostics.
3951         * c.opt (fshow-column): Move option from here ...
3952         * common.opt (fshow-column): ... to here.
3953         * diagnostic.c (diagnostic_build_prefix): Only print column number
3954         if flag_show_column.
3955
3956 2005-03-27  Steven Bosscher  <stevenb@suse.de>
3957
3958         * vax-protos.h (vax_output_int_move, vax_output_int_add,
3959         vax_output_conditional_branch): New prototypes.
3960         * vax.c (vax_output_int_move, vax_output_int_add): New functions,
3961         extracted from vax.md mov and add patterns.
3962         (vax_output_conditional_branch): New function to output conditional
3963         branch instructions.
3964         * vax.md: Use mode macros for arithmetic and mov patterns.
3965         Use code macros for the jump patterns.
3966
3967 2005-03-26  Andrew Pinski  <pinskia@physics.uc.edu>
3968
3969         * Makefile.in (libbackend.o): Depend on version files;
3970         add custom generation command.
3971
3972 2005-03-26  Andrew Pinski  <pinskia@physics.uc.edu>
3973
3974         PR target/20636
3975         * config/rs6000/rs6000.md (extendsfdf2_fpr): Check to make
3976         sure that we have a REG before getting its REGNO.
3977
3978 2005-03-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3979
3980         * builtin-types.def (BT_FN_STRING_CONST_STRING_SIZE): New.
3981         * builtins.def (BUILT_IN_STRNDUP): New.
3982
3983 2005-03-25  Pat Haugen  <pthaugen@us.ibm.com>
3984
3985         PR tree-optimization/20470
3986         * fold-const.c (fold_cond_expr_with_comparison): Recognize/fold
3987         ABS(x-y).
3988
3989 2005-03-25  Mike Stump  <mrs@apple.com>
3990
3991         * config/darwin.h (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Don't allow 0
3992         sized objects.
3993
3994 2005-03-25  Geoffrey Keating  <geoffk@apple.com>
3995
3996         * config/rs6000/darwin-fallback.c: Don't include <ucontext.h>.
3997         Use our own structure definitions.
3998
3999         * config/rs6000/rs6000.md (UNSPEC constants): Add UNSPEC_STFIWX.
4000         (fix_truncdfsi2): Allow registers or memory as destination.
4001         When TARGET_PPC_GFXOPT, generate simplified pattern.
4002         (fix_truncdfsi2_internal): Use define_insn_and_split.
4003         (fix_truncdfsi2_internal_gfxopt): New.
4004         (fctiwz): Don't confuse register allocation by giving it no choices.
4005         (stfiwx): New.
4006         * config/rs6000/rs6000.h (EXTRA_CONSTRAINT): Add 'Z'.
4007         (EXTRA_MEMORY_CONSTRAINT): Likewise.
4008         * config/rs6000/rs6000.c (indexed_or_indirect_operand): New.
4009         * config/rs6000/rs6000-protos.h (indexed_or_indirect_operand): New.
4010
4011 2005-03-25  Kazu Hirata  <kazu@cs.umass.edu>
4012
4013         * dominance.c (free_dominance_info): Speed up by freeing et
4014         data structures without maintaining other nodes.
4015         * et-forest.c (et_free_tree_force): New.
4016         * et-forest.h: Add a prototype for et_free_tree_force.
4017
4018         * tree.c (get_set_constructor_bits,
4019         get_set_constructor_bytes): Remove.
4020         * tree.h: Remove the corresponding prototypes.
4021
4022 2005-03-25  John David Anglin  <dave.anglin@nrc-crnc.gc.ca>
4023
4024         PR target/15491
4025         * vax.c (vax_rtx_costs_1): Merge with vax_rtx_costs.
4026         (vax_rtx_costs): Return false when passed unsupported rtx's.  Handle
4027         FLOAT_EXTEND, FLOAT_TRUNCATE and TRUNCATE.  Fix costs for POST_INC,
4028         PRE_DEC, NEG and NOT.
4029
4030 2005-03-25  Kazu Hirata  <kazu@cs.umass.edu>
4031
4032         * fold-const.c: Convert uses of fold (build (...)) to
4033         fold_buildN.
4034
4035 2005-03-25  Zdenek Dvorak  <dvorakz@suse.cz>
4036
4037         PR rtl-optimization/20249
4038         * cse.c (insert_regs): Do not record equivalence of registers in
4039         different modes.
4040
4041 2005-03-24  Kazu Hirata  <kazu@cs.umass.edu>
4042
4043         * emit-rtl.c (reverse_comparison): Remove.
4044         * rtl.h: Remove the corresponding prototype.
4045
4046 2005-03-24  James E Wilson  <wilson@specifixinc.com>
4047
4048         * doc/install.texi (--enable-altivec): Delete docs.
4049
4050 2005-03-24  David Edelsohn  <edelsohn@gnu.org>
4051
4052         * config/rs6000/predicates.md (easy_fp_constant): Return 0 for
4053         SFmode and DFmode before reload when
4054         flag_unsafe_math_optimizations not enabled.
4055
4056 2005-03-24  Geoffrey Keating  <geoffk@apple.com>
4057
4058         * c.opt (fvisibility-inlines-hidden): Allow for ObjC++.
4059
4060         * config/i386/darwin.h (TARGET_SUBTARGET_DEFAULT): Add
4061         MASK_128BIT_LONG_DOUBLE, MASK_ALIGN_DOUBLE.
4062
4063 2005-03-24  Nathan Sidwell  <nathan@codesourcery.com>
4064
4065         * configure.ac (enable-checking): Add 'runtime' option.
4066         * doc/install.texi (enable-checking): Document 'runtime' checking.
4067         * tsystem.h (gcc_assert, gcc_unreachable): Define.
4068         * config.in: Regenerated.
4069         * configure: Regenerated.
4070
4071 2005-03-23  Uros Bizjak  <uros@kss-loka.si>
4072
4073         * optabs.h (enum optab_index): Remove OTI_llrint.
4074         (llrint_optab): Remove macro.
4075         * optabs.c (init_optabs): Remove llrint_optab initialization.
4076         * genopinit.c (optabs): Remove llrint_optab implementation.
4077         * builtins.c (expand_builtin_mathfn): Handle BUILT_IN_LLRINT{,F,L}
4078         using lrint_optab.
4079
4080 2005-03-24  Alexandre Oliva  <aoliva@redhat.com>
4081
4082         PR rtl-optimization/20532
4083         * simplify-rtx.c (simplify_binary_operation_1): Protect from
4084         overflow when adding coefficients for PLUS or MINUS.
4085         (simplify_binary_operation_1): Handle CONST_DOUBLE exact power of
4086         two as multiplier.
4087
4088 2005-03-23  Joseph S. Myers  <joseph@codesourcery.com>
4089
4090         * langhooks.h (truthvalue_conversion): Remove.
4091         * langhooks-def.h (LANG_HOOKS_INITIALIZER): Remove
4092         LANG_HOOKS_TRUTHVALUE_CONVERSION.
4093         * system.h (LANG_HOOKS_TRUTHVALUE_CONVERSION): Poison.
4094         * gimplify.c (gimple_boolify): Don't use truthvalue_conversion.
4095         * c-objc-common.h (LANG_HOOKS_TRUTHVALUE_CONVERSION): Remove.
4096
4097 2005-03-23  Kazu Hirata  <kazu@cs.umass.edu>
4098
4099         * params.def: Fix a typo.
4100         * config/mips/mips.c: Follow the spelling convensions.
4101         * doc/invoke.texi: Fix typos.
4102
4103 2005-03-23  Daniel Berlin  <dberlin@dberlin.org>
4104
4105         Fix PR tree-optimization/20601
4106
4107         * tree-ssa-pre.c (insert_aux): Add missing condition to
4108         constification.
4109
4110 2005-03-23  Ian Lance Taylor  <ian@airs.com>
4111
4112         * final.c (final_scan_insn): Don't remove no-op instructions.
4113         * reload1.c (reload): Remove simple no-op instructions even when
4114         not optimizing.
4115
4116 2005-03-23  Dorit Naishlos  <dorit@il.ib.com>
4117
4118         PR tree-optimization/20501
4119         * tree-vect-analyze.c (vect_enhance_data_refs_alignment): Debug print
4120         reporting that peeling for alignment is applied moved to...
4121         * (vect_analyze_data_refs_alignment): Here.
4122
4123 2005-03-23  Ian Lance Taylor  <ian@airs.com>
4124
4125         * reorg.c (dbr_schedule): Remove #if 0 code to call final.
4126
4127 2005-03-23  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
4128
4129         * config.gcc (alpha*-dec-osf[45]*): Remove target_cpu_default.
4130         Define TARGET_SUPPORT_ARCH except on Tru64 UNIX V4.0A.
4131
4132 2005-03-23  Hans-Peter Nilsson  <hp@axis.com>
4133
4134         * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Adjust wording to not
4135         imply that this is called once, independent of asms in code.
4136         Adjust to now being pased output and input lists.  Mention helper
4137         function decl_overlaps_hard_reg_set_p.
4138         * hooks.c (hook_tree_tree_tree_tree_3rd_identity): Rename from
4139         hook_tree_tree_identity and to take three trees, returning third.
4140         * hooks.h (hook_tree_tree_tree_tree_3rd_identity): Adjust the
4141         prototype.
4142         * stmt.c: include hard-reg-set.h before tree.h.
4143         (decl_overlaps_hard_reg_set_p): New function, broken out from...
4144         (decl_conflicts_with_clobbers_p): Call
4145         decl_overlaps_hard_reg_set_p.
4146         (expand_asm_operands): Pass output and input lists in call to
4147         targetm.md_asm_clobbers.
4148         * target-def.h (TARGET_MD_ASM_CLOBBERS): Define as
4149         hook_tree_tree_tree_tree_3rd_identity.
4150         * target.h (struct gcc_target.md_asm_clobbers): Take three tree
4151         parameters.
4152         * tree.h [HARD_CONST] (decl_overlaps_hard_reg_set_p): Prototype.
4153         * config/i386/i386.c (ix86_md_asm_clobbers): Adjust to three
4154         parameters, first two unused.
4155         * config/cris/cris.c (cris_md_asm_clobbers): Adjust to added
4156         parameters.  Only add MOF to clobbers if there's no 'h' mentioned
4157         in constraint letters and MOF is not mentioned as a asm-declared
4158         register in neither of the input and output lists.
4159
4160 2005-03-23  DJ Delorie  <dj@redhat.com>
4161
4162         * optabs.c (expand_binop): Make sure the first subword's result
4163         gets stored.
4164
4165 2005-03-23  Joseph S. Myers  <joseph@codesourcery.com>
4166
4167         * c-common.c (c_common_truthvalue_conversion): Adjust comment.
4168         Call c_common_truthvalue_conversion rather than
4169         lang_hooks.truthvalue_conversion.
4170         * c-convert.c (convert): Call c_objc_common_truthvalue_conversion.
4171         * c-objc-common.c (c_objc_common_truthvalue_conversion): Move to
4172         c-typeck.c.
4173         * c-objc-common.h (LANG_HOOKS_TRUTHVALUE_CONVERSION): Change to
4174         c_common_truthvalue_conversion.
4175         * c-parser.c (c_parser_paren_condition, c_parser_for_statement,
4176         c_parser_conditional_expression, c_parser_binary_expression): Call
4177         c_objc_common_truthvalue_conversion.
4178         * c-typeck.c (build_unary_op): Call
4179         c_objc_common_truthvalue_conversion.
4180         (build_conditional_expr): Do not call
4181         lang_hooks.truthvalue_conversion.
4182         (build_binary_op): Call c_common_truthvalue_conversion.
4183         (c_objc_common_truthvalue_conversion): Moved from
4184         c-objc-common.c.  Call default_function_array_conversion instead
4185         of default_conversion.
4186
4187 2005-03-23  Joseph S. Myers  <joseph@codesourcery.com>
4188
4189         * c-common.h (default_conversion): Remove.
4190         (perform_integral_promotions): Add.
4191         * c-tree.h (default_conversion): Add.
4192         * c-typeck.c (perform_integral_promotions): New, split out from
4193         default_conversion.
4194         * c-common.c (check_case_value): Use perform_integral_promotions,
4195         not default_conversion.
4196         (c_add_case_label): Don't continue processing case label after
4197         found to be pointer.
4198
4199 2005-03-23  Mark Mitchell  <mark@codesourcery.com>
4200
4201         * gcc.c (do_spec_1): Do not add a -L path for a directory in
4202         the prefix list if we have already added a multilib directory
4203         based on that path.
4204         (main): Do not add MD_EXEC_PREFIX to the list of directories to
4205         search with -L.
4206
4207 2005-03-22  Kazu Hirata  <kazu@cs.umass.edu>
4208
4209         * reload1.c (indirect_symref_ok, reload_obstack): Make them
4210         static.
4211         * reload.h: Remove the prototype for indirect_symref_ok.
4212
4213         * reload1.c (indirect_symref_ok): Make it global.
4214         * reload.h: Add a prototype for indirect_symref_ok.
4215
4216 2005-03-22  Kaz Kojima  <kkojima@gcc.gnu.org>
4217
4218         * config/sh/sh.md (ashlhi3): Rename to *ashlhi3_n and add a new
4219         ashlhi3 expander.
4220
4221 2005-03-22  Tobias Schl"uter  <tobias.schlueter@physik.uni-muenchen.de>
4222
4223         * tree.h (DECL_IGNORED_P, DECL_IN_SYSTEM_HEADER): Clarify comments.
4224
4225 2005-03-22  Daniel Berlin  <dberlin@dberlin.org>
4226
4227         * c-opts.c (c_common_parse_file): Only start/end main source file
4228         if debug hooks says the writer wants it.
4229         * dbxout.c (dbx_debug_hooks): Add start_end_main_source_file
4230         member.
4231         (xcoff_debug_hooks): Ditto.
4232         * debug.c (do_nothing_hooks): Ditto.
4233         * debug.h (gcc_debug_hooks): Ditto.
4234         * dwarf2out.c (dwarf2_debug_hooks): Ditto.
4235         * sdbout.c (sdb_debug_hooks): Ditto.
4236         * vmsdbgout.c (vmsdbg_debug_hooks): Ditto.
4237
4238 2005-03-22  Mark Mitchell  <mark@codesourcery.com>
4239
4240         * doc/extend.texi: Deprecate C++ min/max operators.
4241
4242 2005-03-22  Zdenek Dvorak  <dvorakz@suse.cz>
4243
4244         * tree-ssa-loop-ivopts.c (determine_iv_cost): Do not try to preserve
4245         artificial original candidates.
4246
4247 2005-03-22  Richard Guenther <rguenth@tat.physik.uni-tuebingen.de>
4248             Jan Hubicka  <jh@suse.cz>
4249             Steven Bosscher <stevenb@suse.de>
4250
4251         * cgraphunit.c (cgraph_estimate_size_after_inlining): Compute
4252         call cost based on argument sizes.
4253         (cgraph_mark_inline_edge): Avoid inline unit from shrinking by
4254         inlining.
4255         * params.def: (max-inline-inssn-single): Set to 450.
4256         (max-inline-insns-auto): Set to 90.
4257         (max-inline-insns-recursive): Set to 450
4258         (max-inline-insns-recursive-auto): Set to 450.
4259         (large-function-insns): Set to 2700.
4260         (inline-call-cost): New parameter.
4261         * tree-inline.c (estimate_move_cost): New function.
4262         (estimate_num_insns_1): Compute move sizes costs by estimate_move_cost
4263         for non-gimple-regs, set cost to 0 for gimple-regs.  Compute call size
4264         based on arguments.
4265         * tree-inline.h (estimate_move_cost): Declare.
4266         * invoke.texi: (max-inline-inssn-single): Change default to 450.
4267         (max-inline-insns-auto): Change default to 90.
4268         (max-inline-insns-recursive): Change default to 450
4269         (max-inline-insns-recursive-auto): Change default to 450.
4270         (large-function-insns): Change default to 2700.
4271         (inline-call-cost): Document new parameter.
4272
4273 2005-03-22  Richard Sandiford  <rsandifo@redhat.com>
4274
4275         * config/i860/i860.h (target_flags, TARGET_XP, TARGET_SWITCHES)
4276         (TARGET_DEFAULT): Delete.
4277         * config/i860/i860.opt: New file.
4278
4279 2005-03-22  Richard Sandiford  <rsandifo@redhat.com>
4280
4281         * config/frv/frv-protos.h (frv_branch_cost_string, frv_branch_cost_int)
4282         (frv_cpu_string, frv_condexec_insns_str, frv_condexec_insns)
4283         (frv_condexec_temps_str, frv_condexec_temps, frv_sched_lookahead_str)
4284         (frv_sched_lookahead): Delete.
4285         * config/frv/frv.h (MASK_DEFAULT_ALLOC_CC): Move to frv.c.
4286         (target_flags, MASK_GPR_32, MASK_FPR_32, MASK_SOFT_FLOAT)
4287         (MASK_ALLOC_CC, MASK_DWORD, MASK_DOUBLE, MASK_MEDIA, MASK_MULADD)
4288         (MASK_LIBPIC, MASK_ACC_4,  MASK_PACK, MASK_LONG_CALLS)
4289         (MASK_ALIGN_LABELS, MASK_LINKED_FP, MASK_BIG_TLS, MASK_DEBUG_ARG)
4290         (MASK_DEBUG_ADDR, MASK_DEBUG_STACK, MASK_DEBUG, MASK_DEBUG_LOC)
4291         (MASK_DEBUG_COND_EXEC, MASK_NO_COND_MOVE, MASK_NO_SCC)
4292         (MASK_NO_COND_EXEC, MASK_NO_VLIW_BRANCH, MASK_NO_MULTI_CE)
4293         (MASK_FDPIC, MASK_INLINE_PLT, MASK_GPREL_RO, MASK_DEFAULT)
4294         (TARGET_GPR_32, TARGET_FPR_32, TARGET_SOFT_FLOAT, TARGET_ALLOC_CC)
4295         (TARGET_DWORD, TARGET_DOUBLE, TARGET_MEDIA, TARGET_MULADD)
4296         (TARGET_LIBPIC, TARGET_ACC_4, TARGET_DEBUG_ARG, TARGET_DEBUG_ADDR)
4297         (TARGET_DEBUG_STACK, TARGET_DEBUG, TARGET_DEBUG_LOC)
4298         (TARGET_DEBUG_COND_EXEC, TARGET_NO_COND_MOVE, TARGET_NO_SCC)
4299         (TARGET_NO_COND_EXEC, TARGET_NO_VLIW_BRANCH, TARGET_NO_MULTI_CE)
4300         (TARGET_NO_NESTED_CE, TARGET_FDPIC, TARGET_INLINE_PLT, TARGET_BIG_TLS)
4301         (TARGET_GPREL_RO, TARGET_PACK, TARGET_LONG_CALLS, TARGET_ALIGN_LABELS)
4302         (TARGET_LINKED_FP, TARGET_GPR_64, TARGET_FPR_64, TARGET_HARD_FLOAT)
4303         (TARGET_FIXED_CC, TARGET_COND_MOVE, TARGET_SCC, TARGET_COND_EXEC)
4304         (TARGET_VLIW_BRANCH, TARGET_MULTI_CE, TARGET_NESTED_CE, TARGET_ACC_8)
4305         (TARGET_SWITCHES, TARGET_OPTIONS, DEFAULT_CONDEXEC_TEMPS)
4306         (DEFAULT_BRANCH_COST, DEFAULT_CONDEXEC_INSNS): Delete.
4307         * config/frv/frv.c (frv_branch_cost_string, frv_branch_cost_int)
4308         (frv_cpu_string, frv_condexec_insns_str, frv_condexec_insns)
4309         (frv_condexec_temps_str, frv_condexec_temps, frv_sched_lookahead_str)
4310         (frv_sched_lookahead): Delete.
4311         (MASK_DEFAULT_ALLOC_CC): Moved from frv.h.
4312         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
4313         (frv_handle_option): New function.  Move -mcpu= handling from...
4314         (frv_override_options): ...here.  Remove handling of other
4315         TARGET_OPTIONS.
4316         (frv_ifcvt_modify_tests): Check !TARGET_COND_EXEC instead of
4317         TARGET_NO_COND_EXEC and !TARGET_NESTED_CE to TARGET_NO_NESTED_CE.
4318         (frv_ifcvt_modify_multiple_tests): Likewise !TARGET_MULTI_CE
4319         and TARGET_NO_MULTI_CE.
4320         (frv_for_each_packet): Likewise TARGET_NO_VLIW_BRANCH and
4321         !TARGET_VLIW_BRANCH.
4322         * config/frv/frv.opt: New file.
4323
4324 2005-03-22  Kazu Hirata  <kazu@cs.umass.edu>
4325
4326         * fold-const.c (fold_ternary): Take decomposed arguments of
4327         CALL_EXPR.
4328         (fold): Update a call to fold_ternary.
4329
4330         * fold-const.c (fold_build1, fold_build2, fold_build3): New.
4331         * tree.h: Add corresponding prototypes.
4332
4333 2005-03-22  Jakub Jelinek  <jakub@redhat.com>
4334
4335         PR target/20561
4336         * cfglayout.c (reemit_insn_block_notes): Don't put block notes in
4337         between jump table and its label.
4338         * final.c (shorten_branches): Handle notes in between ADDR_VEC
4339         resp. ADDR_DIFF_VEC and the label preceeding it.
4340         (final_scan_insn): Likewise.  Ensure ADDR_VEC resp. ADDR_DIFF_VEC
4341         is emitted in the right section.
4342
4343 2005-03-22  Kazu Hirata  <kazu@cs.umass.edu>
4344
4345         * fold-const.c (fold_unary, fold_binary): Update comments
4346         about arguments.
4347
4348 2005-03-22  Hans-Peter Nilsson  <hp@axis.com>
4349
4350         PR rtl-optimization/20527
4351         * combine.c (can_combine_p) [AUTO_INC_DEC]: When INSN has an
4352         REG_INC note, test that the register also isn't mentioned in PRED
4353         or SUCC.
4354
4355 2005-03-22  Ben Elliston  <bje@au.ibm.com>
4356
4357         * dwarf2out.c (dwarf_type_encoding_name): Remove unused prototype
4358         and definition.
4359
4360 2005-03-21  Mike Stump  <mrs@apple.com>
4361
4362         * varasm.c (default_assemble_visibility): Remove extra ().
4363
4364 2005-03-21  Roger Sayle  <roger@eyesopen.com>
4365
4366         PR middle-end/20557
4367         * bb-reorder.c (duplicate_computed_gotos): Use can_duplicate_block_p
4368         to determine whether a block can be duplicated, rather than test
4369         whether the block contains noncopyable insns ourselves.
4370
4371 2005-03-21  Kazu Hirata  <kazu@cs.umass.edu>
4372
4373         * config/i860/i860.h (PREDICATE_CODES): Remove nonexistent
4374         predicates.
4375
4376 2005-03-21  Richard Sandiford  <rsandifo@redhat.com>
4377
4378         * config/ip2k/ip2k.h (target_flags, TARGET_SWITCHES): Delete.
4379
4380 2005-03-21  Richard Sandiford  <rsandifo@redhat.com>
4381
4382         * config/fr30/fr30.h (TARGET_SMALL_MODEL_MASK, TARGET_SMALL_MODEL)
4383         (TARGET_DEFAULT, target_flags, TARGET_SWITCHES): Delete.
4384         * config/fr30/fr30.opt: New file.
4385
4386 2005-03-18  Daniel Berlin  <dberlin@dberlin.org>
4387
4388         Fix PR tree-optimization/20542
4389
4390         * tree-flow-inline.h (overlap_subvar): Move to here.
4391         * tree-ssa-operands.c: From here.
4392         * tree-flow.h (overlap_subvar): Declare.
4393         * tree-ssa-alias.c (add_pointed_to_var): Use overlap_subvar here.
4394         * tree-ssa-loop-im.c (is_call_clobbered_ref): Return proper answer
4395         for variables with subvars.
4396
4397 2005-03-21 Mostafa Hagog <mustafa@il.ibm.com>
4398
4399         PR middle-end/20177
4400         * ddg.c (create_ddg_dependence): Ignore reg-anti dependency.
4401         * modulo-sched.c (const_iteration_count): Return on NULL
4402         pre-header.
4403         (print_node_sched_params): Return on NULL dump_file.
4404         (generate_reg_moves): Handle reg-anti dependencies and disregard
4405         closing branch when generating register moves.
4406         (sms_schedule): Mark the SMSed block dirty.
4407         * passes.c (rest_of_handle_sms): Call update_life_info for all
4408         basic-blocks.
4409         * testsuite/gcc.dg/20050321-1.c: New test.
4410
4411 2005-03-21  Bob Wilson  <bob.wilson@acm.org>
4412
4413         * config/xtensa/lib1funcs.asm (__mulsi3): Use symbolic name for ACCLO.
4414         * config/xtensa/xtensa.md (movsi_internal, movhi_internal,
4415         movqi_internal): Likewise.
4416
4417 2005-03-21  Bob Wilson  <bob.wilson@acm.org>
4418
4419         * config/xtensa/xtensa-protos.h: (xtensa_simm7, xtensa_uimm8,
4420         xtensa_uimm8x2, xtensa_uimm8x4, xtensa_ai4const, xtensa_lsi4x4,
4421         xtensa_b4const): Delete prototypes.
4422         (xtensa_simm8, xtensa_simm8x256, xtensa_simm12b, xtensa_b4constu,
4423         xtensa_mask_immediate, xtensa_mem_offset): Update prototypes.
4424         (xtensa_b4const_or_zero, xtensa_const_ok_for_letter_p,
4425         xtensa_extra_constraint): New prototypes.
4426         (add_operand, arith_operand, nonimmed_operand, mem_operand,
4427         mask_operand, extui_fldsz_operand, sext_operand, sext_fldsz_operand,
4428         lsbitnum_operand, branch_operand, ubranch_operand, call_insn_operand,
4429         move_operand, const_float_1_operand, fpmem_offset_operand,
4430         branch_operator, ubranch_operator, boolean_operator): Delete prototypes.
4431         * config/xtensa/xtensa.c (b4const_or_zero): Rename to ...
4432         (xtensa_b4const_or_zero): ...this.  Change return type to bool and
4433         argument type to HOST_WIDE_INT.
4434         (xtensa_simm8, xtensa_simm8x256, xtensa_simm12b,
4435         xtensa_mask_immediate): Likewise.
4436         (xtensa_uimm8, xtensa_uimm8x2, xtensa_uimm8x4, xtensa_b4const):
4437         Likewise.  Also make these functions static.
4438         (xtensa_simm7, xtensa_ai4const, xtensa_lsi4x4): Delete.
4439         (xtensa_const_ok_for_letter_p): New.
4440         (add_operand, arith_operand, nonimmed_operand, mem_operand,
4441         mask_operand, extui_fldsz_operand, sext_operand, sext_fldsz_operand,
4442         lsbitnum_operand, branch_operand, ubranch_operand, call_insn_operand,
4443         move_operand, const_float_1_operand, fpmem_offset_operand,
4444         branch_operator, ubranch_operator, boolean_operator): Move to
4445         predicates.md.
4446         (smalloffset_mem_p): Inline code from xtensa_lsi4x4.
4447         (xtensa_mem_offset): Change return type to bool.
4448         (xtensa_extra_constraint): New.
4449         (gen_int_relational): Update type of const_range_p function pointer.
4450         Use xtensa_b4const_or_zero.
4451         * config/xtensa/xtensa.h (CONST_OK_FOR_LETTER_P): Define to
4452         xtensa_const_ok_for_letter_p.  Update comments.
4453         (EXTRA_CONSTRAINT): Define to xtensa_extra_constraint.
4454         (PREDICATE_CODES): Delete.
4455         * config/xtensa/xtensa.md: Include predicates.md.
4456         * config/xtensa/predicates.md: New file.
4457
4458 2005-03-21  Kazu Hirata  <kazu@cs.umass.edu>
4459
4460         * config/v850/v850-protos.h: Remove the prototypes for
4461         reg_or_int9_operand, reg_or_const_operand,
4462         pattern_is_ok_for_prepare, pattern_is_ok_for_dispose,
4463         reg_or_0_operand, reg_or_int5_operand, call_address_operand,
4464         movsi_source_operand, power_of_two_operand,
4465         not_power_of_two_operand, special_symbolref_operand,
4466         pattern_is_ok_for_prologue, pattern_is_ok_for_epilogue, and
4467         register_is_ok_for_epilogue.
4468         * config/v850/v850.c (reg_or_0_operand, reg_or_int5_operand,
4469         reg_or_int9_operand, reg_or_const_operand,
4470         call_address_operand, special_symbolref_operand,
4471         movsi_source_operand, power_of_two_operand,
4472         not_power_of_two_operand, register_is_ok_for_epilogue,
4473         pattern_is_ok_for_epilogue, pattern_is_ok_for_prologue,
4474         pattern_is_ok_for_dispose, pattern_is_ok_for_prepare): Move to
4475         predicates.md.
4476         * config/v850/v850.h (PREDICATE_CODES): Remove.
4477         * config/v850/v850.md: Include predicates.md.
4478         * config/v850/predicates.md: New.
4479
4480 2005-03-21  Zack Weinberg  <zack@codesourcery.com>
4481
4482         * Makefile.in (BASEVER, DEVPHASE, DATESTAMP)
4483         (BASEVER_c, DEVPHASE_c, DATESTAMP_c)
4484         (BASEVER_s, DEVPHASE_s, DATESTAMP_s, version): Set with :=.
4485         (itoolsdir, itoolsdatadir): Move definition above new first use.
4486         (install-itoolsdirs): New rule.
4487         (install-mkheaders): Depend on install-itoolsdirs, not
4488         install-include-dir.
4489
4490 2005-03-21  Kazu Hirata  <kazu@cs.umass.edu>
4491
4492         * tree-into-ssa.c: Remove obsolete comments.
4493
4494 2005-03-21  Richard Guenther  <rguenth@gcc.gnu.org>
4495
4496         * tree-ssa-loop.c (gate_tree_complete_unroll): Run complete
4497         unrolling if -fpeel-loops is specified, too.
4498         * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely):
4499         Remove superfluous check for flag_unroll_loops.
4500
4501 2005-03-21  Uros Bizjak  <uros@kss-loka.si>
4502
4503         * optabs.h (enum optab_index): Add new OTI_lrint and OTI_llrint.
4504         (lrint_optab, llrint_optab): Define corresponding macros.
4505         * optabs.c (init_optabs): Initialize lrint_optab and llrint_optab.
4506         * genopinit.c (optabs): Implement lrint_optab using lrintsi2
4507         pattern and llrint_optab using llrintdi2 patterns.
4508         * builtins.c (expand_builtin_mathfn): Handle BUILT_IN_LRINT{,F,L}
4509         using lrint_optab and BUILT_IN_LLRINT{,F,L} using llrint_optab.
4510         (expand_builtin): Expand BUILT_IN_LRINT{,F,L} and
4511         BUILT_IN_LLRINT{,F,L} using expand_builtin_mathfn if
4512         flag_unsafe_math_optimizations is set.
4513
4514 2005-03-21  Paolo Bonzini  <bonzini@gnu.org>
4515
4516         * combine.c (combine_simplify_rtx, simplify_if_then_else,
4517         simplify_logical, if_then_else_cond, known_cond,
4518         simplify_comparison): Adjust calls to reverse_comparison.
4519         Don't use combine_reversed_comparison_code).
4520         (combine_reversed_comparison_code): Remove.
4521         (reversed_comparison): Using reversed_comparison_code, move it...
4522         * jump.c (reversed_comparison): ... here.
4523         * rtl.h (reversed_comparison): Add prototype.
4524
4525 2005-03-21  Kazu Hirata  <kazu@cs.umass.edu>
4526
4527         * builtins.c (fold_builtin): Take decomposed arguments of
4528         CALL_EXPR.
4529         * fold-const.c (fold_ternary): Update a call to fold_builtin.
4530         * gimplify.c (gimplify_call_expr): Likewise.
4531         * tree-ssa-ccp.c (ccp_fold, ccp_fold_builtin): Likewise.
4532         * tree.h: Update the prototype of fold_builtin.
4533
4534 2005-03-21  Paolo Bonzini  <bonzini@gnu.org>
4535
4536         * rtl.h (struct rtx_hooks): Add gen_lowpart_no_emit.
4537         * rtlhooks.c (gen_lowpart_no_emit_general): New.
4538         * rtlhooks-def.h (gen_lowpart_no_emit_general): Declare.
4539         (RTL_HOOKS_GEN_LOWPART_NO_EMIT): New.
4540         * simplify-rtx.c (simplify_binary_operation_1): Use it.
4541
4542 2005-03-21  Kazu Hirata  <kazu@cs.umass.edu>
4543
4544         * builtins.c (fold_builtin_1): Take decomposed arguments of
4545         CALL_EXPR.
4546         (fold_builtin): Update a call to fold_builtin_1.
4547
4548 2005-03-21  Nathan Sidwell  <nathan@codesourcery.com>
4549
4550         PR other/20564
4551         * gcov.c (output_lines): Only output function block summary when
4552         outputting branch information.
4553         * doc/gcov.texi: Document format of preamble and additional block
4554         information lines.
4555
4556 2005-03-21  Richard Sandiford  <rsandifo@redhat.com>
4557
4558         * libgcc2.h (LIBGCC2_HAS_SF_MODE): New macro.
4559         (LIBGCC2_HAS_DF_MODE, LIBGCC2_HAS_TF_MODE, LIBGCC2_HAS_XF_MODE): Make
4560         the defaults false if BITS_PER_UNIT != 8.
4561         (SFtype, SCtype, __fixsfdi, __floatdisf, __fixunssfSI, __fixunssfDI)
4562         (__powisf2, __divsc3, __mulsc3): Guard with LIBGCC2_HAS_SF_MODE rather
4563         than BITS_PER_UNIT != 8.
4564         (L_fixdfdi, L_fixsfdi, L_fixtfdi, L_fixunsdfdi, L_fixunsdfsi)
4565         (L_fixunssfdi, L_fixunssfsi, L_fixunstfdi, L_fixunsxfdi, L_fixunsxfsi)
4566         (L_fixxfdi, L_floatdidf, L_floatdisf, L_floatditf, L_floatdixf): Remove
4567         #undefs.
4568         * libgcc2.c (__fixunssfDI, __fixsfdi, __floatdisf, __fixunssfSI)
4569         (__powisf2, __divsc3, __mulsc3): Guard with LIBGCC2_HAS_SF_MODE.
4570
4571 2005-03-20  Roger Sayle  <roger@eyesopen.com>
4572
4573         PR middle-end/20539
4574         * fold-const.c (fold_binary): Fix type mismatch between
4575         TRUTH_{AND,OR,XOR}_EXPR nodes an their operands' types.
4576         (fold_binary) <TRUTH_XOR_EXPR>: Avoid calling invert_truthvalue
4577         for non-truth-valued expressions.
4578
4579         * c-common.c (c_common_truthvalue_conversion): Handle ERROR_MARK
4580         and FUNCTION_DECL in the main switch.
4581         <TRUTH_ANDIF_EXPR, TRUTH_ORIF_EXPR, TRUTH_AND_EXPR, TRUTH_OR_EXPR,
4582         TRUTH_XOR_EXPR>: When changing the result type of these tree nodes,
4583         we also need to convert their operands to match.
4584         <TRUTH_NOT_EXPR>: Likewise.
4585
4586 2005-03-21  Joseph S. Myers  <joseph@codesourcery.com>
4587
4588         * c-common.c (lvalue_or_else): Replace by lvalue_error; only give
4589         diagnostic without checking whether an lvalue.
4590         * c-common.h (lvalue_p): Remove.
4591         (enum lvalue_use): Update comment.
4592         (lvalue_or_else): Replace by lvalue_error.
4593         * c-typeck.c (lvalue_p): Make static.
4594         (lvalue_or_else): New.  Call lvalue_error.
4595
4596 2005-03-21  Alan Modra  <amodra@bigpond.net.au>
4597
4598         * config/rs6000/rs6000.c (rs6000_parm_start): New function.
4599         (function_arg_advance): Use rs6000_parm_start.
4600         (function_arg, rs6000_arg_partial_bytes): Likewise.
4601
4602 2005-03-20  Joseph S. Myers  <joseph@codesourcery.com>
4603
4604         * c-common.c (check_case_value): Adjust comment about stripping
4605         NOPs.
4606         (handle_vector_size_attribute): Don't strip NON_LVALUE_EXPR.
4607         * c-typeck.c (default_conversion, convert_arguments,
4608         build_modify_expr, convert_for_assignment, store_init_value,
4609         digest_init): Use STRIP_TYPE_NOPS instead of stripping nops
4610         manually.  Remove inaccurate comments.
4611
4612 2005-03-20  Roger Sayle  <roger@eyesopen.com>
4613             Joseph S. Myers  <joseph@codesourcery.com>
4614
4615         * varasm.c (do_assemble_alias): Restore comment describing function.
4616         Annotate the target parameter as potentially unused.
4617
4618 2005-03-20  Marek Michalkiewicz  <marekm@amelek.gda.pl>
4619
4620         PR target/18551
4621         * config/avr/avr.c (avr_output_function_prologue): Do not use
4622         current_function_name() in a label, use a local label instead.
4623
4624 2005-03-20  David Edelsohn  <edelsohn@gnu.org>
4625
4626         * config/rs6000/rs6000.c (rs6000_generate_compare): Test
4627         flag_finite_math_only, not flag_unsafe_math_optimizations.
4628
4629 2005-03-20  Kazu Hirata  <kazu@cs.umass.edu>
4630
4631         * builtins.c (fold_builtin_1): Update a call to
4632         targetm.fold_builtin.
4633         * hooks.c (hook_tree_tree_bool_null): Rename to
4634         hook_tree_tree_tree_bool_null.  Take one more argument of type
4635         tree.
4636         * hooks.h: Update the prototype of hook_tree_tree_bool_null.
4637         * target-def.h (TARGET_FOLD_BUILTIN): Define it as
4638         hook_tree_tree_tree_bool_null.
4639         * target.h (gcc_target): Update the prototype of fold_builtin.
4640         * config/alpha/alpha.c (alpha_fold_builtin): Take decomposed
4641         arguments of CALL_EXPR.
4642         * doc/tm.texi (TARGET_FOLD_BUILTIN): Update.  Mention the
4643         new prototype.
4644
4645 2005-03-20  Jan Hubicka  <jh@suse.cz>
4646
4647         * cgraph.h (cgraph_node): Add prev_clone pointer.
4648         * cgraph.c (cgraph_remove_node): Remove from doubly linked chain.
4649         (cgraph_clone_node): Produce doubly linked chain.
4650
4651 2005-03-20  Joseph S. Myers  <joseph@codesourcery.com>
4652
4653         * c-common.c (handle_aligned_attribute, check_function_sentinel,
4654         get_nonnull_operand, handle_sentinel_attribute,
4655         check_function_arguments_recurse): Do not strip NOPS from
4656         INTEGER_CSTs.
4657         * c-decl.c (check_bitfield_type_and_width, build_enumerator):
4658         Likewise.
4659         * c-format.c (get_constant): Likewise.
4660         * c-parser.c (c_parser_postfix_expression): Likewise.
4661         * c-typeck.c (set_init_index): Likewise.
4662         (convert_arguments): Don't check for NOP_EXPR containing integer
4663         constant.
4664
4665 2005-03-20  Kazu Hirata  <kazu@cs.umass.edu>
4666
4667         * builtins.c (fold_fixed_mathfn, fold_builtin_trunc,
4668         fold_builtin_floor, fold_builtin_ceil, fold_builtin_lround):
4669         Take decomposed arguments of CALL_EXPR.
4670         (fold_builtin_1): Update calls to the functions mentioned
4671         above.
4672
4673 2005-03-20  Joseph S. Myers  <joseph@codesourcery.com>
4674
4675         * c-decl.c (check_bitfield_type_and_width): Require bit-field
4676         width to have integer type.
4677         (build_enumerator): Require enumerator value to have integer type.
4678
4679 2005-03-19  Joseph S. Myers  <joseph@codesourcery.com>
4680
4681         * doc/extend.texi (__builtin_inf): Move statement about INFINITY
4682         to __builtin_inff.
4683
4684 2005-03-19  Joseph S. Myers  <joseph@codesourcery.com>
4685
4686         * c.opt (ansi, std=iso9899:1990, std=iso9899:1999,
4687         std=iso9899:199x): Correct descriptions.
4688
4689 2005-03-19  Joseph S. Myers  <joseph@codesourcery.com>
4690
4691         * config.gcc: Consistently use solaris2.1[0-9]* instead of
4692         solaris2.1[0-9].
4693
4694 2005-03-19  Kazu Hirata  <kazu@cs.umass.edu>
4695
4696         * builtins.c (fold_builtin_memcpy): Take decomposed arguments
4697         of CALL_EXPR.
4698         (expand_builtin_memcpy, fold_builtin_1): Update calls to
4699         fold_builtin_memcpy.
4700
4701         * builtins.c (fold_trunc_transparent_mathfn): Take decomposed
4702         arguments of CALL_EXPR.
4703         (fold_builtin_trunc, fold_builtin_floor, fold_builtin_ceil,
4704         fold_builtin_found, fold_builtin_1): Update calls to
4705         fold_trunc_transparent_mathfn.
4706
4707 2005-03-19  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4708
4709         PR middle-end/20493
4710         * fold-const.c (fold_widened_comparison): Don't optimize casts of
4711         function pointers on targets that require function pointer
4712         canonicalization.
4713         (fold_sign_changed_comparison): Likewise.
4714
4715 2005-03-19  Bernd Schmidt  <bernd.schmidt@analog.com>
4716
4717         * combine.c (try_combine): When changing the mode of a hard reg, make
4718         sure that doing so is valid.
4719
4720 2005-03-19  Richard Sandiford  <rsandifo@redhat.com>
4721
4722         * config/avr/avr.c (avr_init_stack, avr_mcu_name): Make static.
4723         (TARGET_HANDLE_OPTION): Override default.
4724         (avr_handle_option): New function.
4725         * config/avr/avr.h (MASK_ALL_DEBUG, MASK_ORDER_1, MASK_INSN_SIZE_DUMP)
4726         (MASK_ORDER_2, MASK_NO_TABLEJUMP, MASK_INT8, MASK_NO_INTERRUPTS)
4727         (MASK_CALL_PROLOGUES, MASK_TINY_STACK, MASK_SHORT_CALLS)
4728         (TARGET_ORDER_1, TARGET_ORDER_2, TARGET_INT8, TARGET_NO_INTERRUPTS)
4729         (TARGET_INSN_SIZE_DUMP, TARGET_CALL_PROLOGUES, TARGET_TINY_STACK)
4730         (TARGET_NO_TABLEJUMP, TARGET_SHORT_CALLS, TARGET_ALL_DEBUG)
4731         (TARGET_SWITCHES, avr_init_stack, avr_mcu_name)
4732         (TARGET_OPTIONS): Delete.
4733         * config/avr/avr.opt: New file.
4734
4735 2005-03-18  2005-03-18  Kazu Hirata  <kazu@cs.umass.edu>
4736
4737         * config/m32r/m32r-protos.h: Remove the prototypes for
4738         call_address_operand, symbolic_operand, seth_add3_operand,
4739         cmp_int16_operand, uint16_operand, reg_or_int16_operand,
4740         reg_or_uint16_operand, reg_or_cmp_int16_operand,
4741         two_insn_const_operand, move_src_operand,
4742         move_double_src_operand, move_dest_operand,
4743         eqne_comparison_operator, signed_comparison_operator,
4744         large_insn_p, conditional_move_operand, carry_compare_operand,
4745         m32r_block_immediate_operand, extend_operand,
4746         reg_or_eq_int16_operand, int8_operand, and
4747         reg_or_zero_operand.
4748         * config/m32r/m32r.c (call_address_operand, symbolic_operand,
4749         seth_add3_operand, int8_operand, cmp_int16_operand,
4750         uint16_operand, reg_or_int16_operand, reg_or_uint16_operand,
4751         reg_or_eq_int16_operand, reg_or_cmp_int16_operand,
4752         reg_or_zero_operand, two_insn_const_operand, move_src_operand,
4753         move_double_src_operand, move_dest_operand,
4754         eqne_comparison_operator, signed_comparison_operator,
4755         extend_operand, small_insn_p, large_insn_p,
4756         conditional_move_operand, carry_compare_operand,
4757         m32r_block_immediate_operand): Move to predicates.md.
4758         (MAX_MOVE_BYTES): Move to m32r.h.
4759         * config/m32r/m32r.h (PREDICATE_CODES): Remove.
4760         * config/m32r/m32r.md: Include predicates.md.
4761         * config/m32r/predicates.md: New.
4762
4763 2005-03-18  James E Wilson  <wilson@specifixinc.com>
4764
4765         PR c++/19769
4766         * dwarf2out.c (declare_in_namespace): Ignore decls with an abstract
4767         origin.
4768
4769 2005-03-18  Kazu Hirata  <kazu@cs.umass.edu>
4770
4771         * config/mn10300/mn10300-protos.h: Remove the prototypes for
4772         call_address_operand, const_8bit_operand.
4773         * config/mn10300/mn10300.c (call_address_operand,
4774         const_8bit_operand, const_1f_operand): Move to predicates.md.
4775         * config/mn10300/mn10300.h (PREDICATE_CODES): Remove.
4776         * config/mn10300/mn10300.md: Include predicates.md.
4777         * config/mn10300/predicates.md: New.
4778
4779 2005-03-18  Joseph S. Myers  <joseph@codesourcery.com>
4780
4781         * c-common.c, c-decl.c, c-format.c, c-typeck.c: Use %D for
4782         declarations in diagnostics and %E for identifiers, not %s.
4783
4784 2005-03-18  Jan Hubicka  <jh@suse.cz>
4785             Dale Johannesen  <dalej@apple.com>
4786
4787         * basic-block.h (scale_bbs_frequencies_int,
4788         scale_bbs_frequencies_gcov_type): Declare.
4789         * cfg.c (RDIV): New macro.
4790         (update_bb_frequency_for_threading): Fix.
4791         * basic-block.h (scale_bbs_frequencies_int,
4792         scale_bbs_frequencies_gcov_type): New.
4793         * cfgloopmanip.c (scale_bbs_frequencies): Kill.
4794         (scale_loop_frequencies, duplicate_loop_to_header_edge): Use
4795         scale_bbs_frequencies_int.
4796         * tree-ssa-loop-ch.c (copy_loop_headers): Fix profiling info.
4797
4798 2005-03-18  Kazu Hirata  <kazu@cs.umass.edu>
4799
4800         * config/m32r/m32r-protos.h: Remove the prototypes for
4801         call_address_operand, symbolic_operand, seth_add3_operand,
4802         cmp_int16_operand, uint16_operand, reg_or_int16_operand,
4803         reg_or_uint16_operand, reg_or_cmp_int16_operand,
4804         two_insn_const_operand, move_src_operand,
4805         move_double_src_operand, move_dest_operand,
4806         eqne_comparison_operator, signed_comparison_operator,
4807         large_insn_p, conditional_move_operand, carry_compare_operand,
4808         m32r_block_immediate_operand, extend_operand,
4809         reg_or_eq_int16_operand, int8_operand, and
4810         reg_or_zero_operand.
4811         * config/m32r/m32r.c (call_address_operand, symbolic_operand,
4812         seth_add3_operand, int8_operand, cmp_int16_operand,
4813         uint16_operand, reg_or_int16_operand, reg_or_uint16_operand,
4814         reg_or_eq_int16_operand, reg_or_cmp_int16_operand,
4815         reg_or_zero_operand, two_insn_const_operand, move_src_operand,
4816         move_double_src_operand, move_dest_operand,
4817         eqne_comparison_operator, signed_comparison_operator,
4818         extend_operand, small_insn_p, large_insn_p,
4819         conditional_move_operand, carry_compare_operand,
4820         m32r_block_immediate_operand): Move to predicates.md.
4821         (MAX_MOVE_BYTES): Move to m32r.h.
4822         * config/m32r/m32r.h (PREDICATE_CODES): Remove.
4823         * config/m32r/m32r.md: Include predicates.md.
4824         * config/m32r/predicates.md: New.
4825
4826         * config/pa/pa-protos.h: Add prototypes for magic_milli and
4827         shadd_constant_p.
4828         * config/pa/pa.c (reg_or_0_operand, call_operand_address,
4829         symbolic_operand, symbolic_memory_operand,
4830         reg_or_0_or_nonsymb_mem_operand, reg_before_reload_operand,
4831         indexed_memory_operand, move_dest_operand, move_src_operand,
4832         prefetch_cc_operand, prefetch_nocc_operand,
4833         reg_or_cint_move_operand, pic_label_operand, fp_reg_operand,
4834         arith_operand, arith11_operand, pre_cint_operand,
4835         post_cint_operan, arith_double_operand, ireg_or_int5_operand,
4836         ireg_operand, int5_operand, uint5_operand, int11_operand,
4837         uint32_operand, arith5_operand, and_operand, ior_operand,
4838         lhs_lshift_operand, lhs_lshift_cint_operand, arith32_operand,
4839         pc_or_label_operand, div_operand, plus_xor_ior_operator,
4840         shadd_operand, movb_comparison_operator,
4841         cmpib_comparison_operator): Move to predicates.md.
4842         (magic_milli, shadd_constant_p): Make it extern.
4843         * config/pa/pa.h (PREDICATE_CODES): Remove.
4844         * config/pa/pa.md: Include predicates.md.
4845         * config/pa/predicates.md: New.
4846
4847         * config/v850/v850.h (PREDICATE_CODES): Remove a nonexistent
4848         predicate.
4849
4850 2005-03-18  Kazu Hirata  <kazu@cs.umass.edu>
4851
4852         * hooks.c, hooks.h, intl.c, opts.h, prefix.c, tree-gimple.c,
4853         config/alpha/ev4.md, config/alpha/ev5.md, config/alpha/ev6.md,
4854         config/alpha/freebsd.h, config/alpha/linux.h,
4855         config/alpha/netbsd.h, config/alpha/osf5.h,
4856         config/alpha/vms.h, config/arc/arc.c, config/arc/arc.h,
4857         config/h8300/h8300-protos.h, config/h8300/h8300.c,
4858         config/h8300/h8300.h, config/ia64/unwind-ia64.c,
4859         doc/cppopts.texi: Update copyright.
4860
4861 2005-03-18  Jan Hubicka  <jh@suse.cz>
4862
4863         PR middle-end/20225
4864         * cgraph.c (cgraph_mark_reachable_node): Assert that it is not called
4865         too late.
4866         * varasm.c (find_decl_and_mark_needed): Mark needed only when not
4867         called too late.
4868
4869 2005-03-18  Kazu Hirata  <kazu@cs.umass.edu>
4870
4871         * tree-into-ssa.c (find_idf): Use VEC_quick_push instead of
4872         VEC_safe_push.
4873
4874 2005-03-18  Paolo Bonzini  <bonzini@gnu.org>
4875
4876         * combine.c (gen_binary): Remove.
4877         (known_cond, simplify_shift_const, find_split_point,
4878         combine_simplify_rtx, simplify_if_then_else, simplify_set,
4879         simplify_logical, expand_field_assignment, extract_left_shift,
4880         force_to_mode, if_then_else_cond, apply_distributive_law,
4881         simplify_and_const_int, simplify_shift_const, gen_lowpart_for_combine,
4882         simplify_comparison, reversed_comparison): Replace with
4883         simplify_gen_binary, simplify_gen_relational or
4884         distribute_and_simplify_rtx.
4885         (distribute_and_simplify_rtx): New function.
4886
4887 2005-03-18  Alexey Neyman  <alex.neyman@auriga.ru>
4888             Paolo Bonzini  <gcc.gnu.org>
4889
4890         * calls.c (setjmp_call_p, special_function_p): Update comments
4891         at the head of the functions.
4892
4893 2005-03-18  Jan Hubicka  <jh@suse.cz>
4894
4895         * tree-cfg.c (fold_cond_expr_cond): Use boolean types for condition.
4896
4897         * cgraph.c (cgraph_remove_node): Avoid loop in code deciding whether
4898         function body should be released; do not proactively release function
4899         bodies in non-unit-at-a-time mode.
4900
4901 2005-03-18  Ralf Corsepius  <ralf.corsepius@rtems.org>
4902
4903         * config/i386/t-rtems-i386 (MULTILIBS): Remove k6, athlon,
4904         mno-fp-ret-in-387 multilib variants.
4905
4906 2005-03-18  Richard Sandiford  <rsandifo@redhat.com>
4907
4908         * common.opt (m): Remove.
4909         * opts.c (handle_option): Pass 'm' options to set_target_switch if
4910         table lookup fails.
4911         (common_handle_option): Remove OPT_m case.
4912
4913 2005-03-18  Kazu Hirata  <kazu@cs.umass.edu>
4914
4915         * builtins.c (fold_builtin_bitop): Take decomposed arguments
4916         of CALL_EXPR.
4917         (fold_builtin_1): Update a call to fold_builtin_bitop.
4918
4919         * builtins.c (fold_builtin_signbit): Take decomposed arguments
4920         of CALL_EXPR.
4921         (fold_builtin_1): Update a call to fold_builtin_signbit.
4922
4923 2005-03-17  Dorit Naishlos  <dorit@il.ibm.com>
4924
4925         PR tree-optimization/20474
4926         * tree-vect-analyze.c (vect_analyze_pointer_ref_access): Check the
4927         size_type of the relevant pointer. Check for COMPLETE_TYPE_P.
4928
4929 2005-03-17  Kazu Hirata  <kazu@cs.umass.edu>
4930
4931         * config/h8300/h8300-protos.h: Remove prototypes for
4932         general_operand_src, general_operand_dst, single_one_operand,
4933         single_zero_operand, call_insn_operand,
4934         two_insn_adds_subs_operand, small_call_insn_operand,
4935         jump_address_operand, bit_operand, bit_memory_operand,
4936         stack_pointer_operand, const_int_gt_2_operand,
4937         const_int_ge_8_operand, const_int_qi_operand,
4938         const_int_hi_operand, incdec_operand, bit_operator,
4939         nshift_operator, eqne_operator, gtle_operator,
4940         gtuleu_operator, iorxor_operator.
4941         Add prototypes for h8sx_shift_type h8sx_classify_shift and
4942         h8300_ldm_stm_parallel.
4943         * config/h8300/h8300.c (h8sx_shift_type,): Move to
4944         h8300-protos.h.
4945         (SYMBOL_FLAG_FUNCVEC_FUNCTION, SYMBOL_FLAG_EIGHTBIT_DATA,
4946         SYMBOL_FLAG_TINY_DATA): Move to h8300.h.
4947         (h8300_ldm_stm_parallel): Make it extern.
4948         (h8300_ldm_parallel, h8300_stm_parallel,
4949         h8300_return_parallel, general_operand_src,
4950         general_operand_dst, h8300_dst_operand, h8300_src_operand,
4951         nibble_operand, reg_or_nibble_operand, single_one_operand,
4952         single_zero_operand, call_insn_operand,
4953         two_insn_adds_subs_operand, small_call_insn_operand,
4954         jump_address_operand, bit_operand, bit_memory_operand,
4955         stack_pointer_operand, const_int_gt_2_operand,
4956         const_int_ge_8_operand, const_int_qi_operand,
4957         const_int_hi_operand, incdec_operand, eqne_operator,
4958         gtle_operator, gtuleu_operator, iorxor_operator, bit_operator,
4959         h8sx_binary_memory_operator, h8sx_unary_memory_operator,
4960         h8sx_unary_shift_operator, h8sx_binary_shift_operator,
4961         nshift_operator): Move to predicates.md.
4962         * config/h8300/h8300.h (PREDICATE_CODES): Remove.
4963         * config/h8300/h8300.md: Include predicates.md.
4964         * config/h8300/predicates.md: New.
4965
4966 2005-03-17  Richard Henderson  <rth@redhat.com>
4967
4968         * config.gcc (ia64*-*-hpux*): Add extra_options.
4969         * config/ia64/hpux.h (SUBTARGET_SWITCHES): Remove.
4970         (TARGET_DEFAULT): Remove MASK_INLINE_FLOAT_DIV_THR.
4971         * config/ia64/ia64.c (ia64_fixed_range_string): Remove.
4972         (ia64_tls_size_string, ia64_tune_string): Remove.
4973         (ia64_tune): Init to PROCESSOR_ITANIUM2.
4974         (TARGET_DEFAULT_TARGET_FLAGS): New.
4975         (TARGET_HANDLE_OPTION): New.
4976         (ia64_override_options): Move options parsing ...
4977         (ia64_handle_option): ... here.  New.
4978         * config/ia64/ia64.h (target_flags, MASK_BIG_ENDIAN, MASK_GNU_AS,
4979         MASK_GNU_LD, MASK_NO_PIC, MASK_VOL_ASM_STOP, MASK_ILP32,
4980         MASK_REG_NAMES, MASK_NO_SDATA, MASK_CONST_GP, MASK_AUTO_PIC,
4981         MASK_INLINE_FLOAT_DIV_LAT, MASK_INLINE_FLOAT_DIV_THR,
4982         MASK_INLINE_INT_DIV_LAT, MASK_INLINE_INT_DIV_THR,
4983         MASK_INLINE_SQRT_LAT, MASK_INLINE_SQRT_THR, MASK_DWARF2_ASM,
4984         MASK_EARLY_STOP_BITS, TARGET_BIG_ENDIAN, TARGET_GNU_AS, TARGET_GNU_LD,
4985         TARGET_NO_PIC, TARGET_VOL_ASM_STOP, TARGET_ILP32, TARGET_REG_NAMES,
4986         TARGET_NO_SDATA, TARGET_CONST_GP, TARGET_AUTO_PIC,
4987         TARGET_INLINE_FLOAT_DIV_LAT, TARGET_INLINE_FLOAT_DIV_THR,
4988         TARGET_INLINE_INT_DIV_LAT, TARGET_INLINE_INT_DIV_THR,
4989         TARGET_INLINE_FLOAT_DIV, TARGET_INLINE_INT_DIV, TARGET_INLINE_SQRT_LAT,
4990         TARGET_INLINE_SQRT_THR, TARGET_INLINE_SQRT, TARGET_DWARF2_ASM,
4991         TARGET_EARLY_STOP_BITS): Remove.
4992         (TARGET_ILP32): Default false.
4993         (TARGET_SWITCHES, SUBTARGET_SWITCHES, TARGET_OPTIONS): Remove.
4994         (enum ia64_inline_type): New.
4995         (TARGET_DEFAULT): Remove MASK_INLINE_FLOAT_DIV_THR.
4996         * config/ia64/ia64.md: Update for new definitions of
4997         TARGET_INLINE_INT_DIV, TARGET_INLINE_FLOAT_DIV, TARGET_INLINE_SQRT.
4998         * config/ia64/ia64.opt: New file.
4999         * config/ia64/ilp32.opt: New file.
5000
5001 2005-03-17  H.J. Lu  <hongjiu.lu@intel.com>
5002
5003         PR target/18380
5004         * config/ia64/unwind-ia64.c (_Unwind_FindTableEntry): Removed.
5005
5006 2005-03-17  Kazu Hirata  <kazu@cs.umass.edu>
5007
5008         * config/h8300/h8300.c (h8300_init_once): Use MASK_H8300S_1
5009         instead of MASK_H8300S.
5010         * config/h8300/h8300.h (target_flags, MASK_H8300S, MASK_MAC,
5011         MASK_INT32, MASK_ADDRESSES, MASK_QUICKCALL, MASK_SLOWBYTE,
5012         MASK_NORMAL_MODE, MASK_RELAX, MASK_H8300H, MASK_ALIGN_300,
5013         MASK_H8300SX, TARGET_INT32, TARGET_ADDRESSES,
5014         TARGET_QUICKCALL, TARGET_SLOWBYTE, TARGET_H8300H,
5015         TARGET_H8300XS, TARGET_NORMAL_MODE, TARGET_ALIGN_300,
5016         TARGET_SWITCHES): Remove.
5017         (TARGET_H8300S): Redefine interms of TARGET_H8300S_1 and
5018         TARGET_H8300SX.
5019         * config/h8300/h8300.opt: New.
5020
5021         * config/alpha/alpha.opt, config/arc/arc.opt,
5022         config/h8300/h8300.opt, config/mips/mips.opt: Add copyright
5023         notices.
5024
5025 2005-03-17  Ian Lance Taylor  <ian@airs.com>
5026
5027         * gmon.c: Remove.
5028
5029 2005-03-17  Richard Sandiford  <rsandifo@redhat.com>
5030
5031         * config/arc/arc.c (arc_cpu_string): Make static.  Default to "base"
5032         (arc_text_string, arc_data_string, arc_rodata_string): Make static.
5033         (TARGET_HANDLE_OPTION): Override default.
5034         (arc_handle_option): New function.
5035         (arc_init): Remove code to set arch_cpu_string.
5036         * config/arc/arc.h (target_flags, TARGET_MASK_MANGLE_CPU)
5037         (TARGET_MANGLE_CPU, TARGET_MASK_MANGLE_CPU_LIBGCC)
5038         (TARGET_MANGLE_CPU_LIBGCC, TARGET_MASK_ALIGN_LOOPS, TARGET_ALIGN_LOOPS)
5039         (TARGET_MASK_BIG_ENDIAN, TARGET_BIG_ENDIAN, TARGET_MASK_NO_COND_EXEC)
5040         (TARGET_NO_COND_EXEC, TARGET_SWITCHES, TARGET_DEFAULT)
5041         (SUBTARGET_SWITCHES, arc_cpu_string, arc_text_string, arc_data_string)
5042         (arc_rodata_string, TARGET_OPTIONS): Delete.
5043         * config/arc/arc.opt: New file.
5044
5045 2005-03-17  Richard Henderson  <rth@redhat.com>
5046
5047         * doc/extend.texi (Weak Pragmas): New section.
5048         (attribute alias): Clarify that target must be in the same
5049         translation unit.
5050
5051 2005-03-17  Richard Henderson  <rth@redhat.com>
5052
5053         * config/alpha/alpha.opt: New file.
5054         * config/alpha/alpha.c (alpha_tune): New.  Rename all existing uses
5055         of alpha_cpu.
5056         (alpha_cpu_string, alpha_tune_string, alpha_tp_string,
5057         alpha_fprm_string, alpha_fptm_string): Make static.
5058         (alpha_tls_size_string): Remove.
5059         (alpha_handle_option): New.
5060         (override_options): Update for alpha_cpu/alpha_tune split.
5061         (alpha_file_start): Likewise.
5062         (TARGET_DEFAULT_TARGET_FLAGS): New.
5063         (TARGET_HANDLE_OPTION): New.
5064         * config/alpha/alpha.h (alpha_tune): Declare.
5065         (MASK_FP, MASK_FPREGS, TARGET_FPREGS, MASK_GAS, TARGET_GAS,
5066         MASK_IEEE_CONFORMANT, TARGET_IEEE_CONFORMANT, MASK_IEEE, TARGET_IEEE,
5067         MASK_IEEE_WITH_INEXACT, TARGET_IEEE_WITH_INEXACT, MASK_BUILD_CONSTANTS,
5068         TARGET_BUILD_CONSTANTS, MASK_FLOAT_VAX, TARGET_FLOAT_VAX, MASK_BWX,
5069         TARGET_BWX, MASK_MAX, TARGET_MAX, MASK_FIX, TARGET_FIX, MASK_CIX,
5070         TARGET_CIX, MASK_EXPLICIT_RELOCS, TARGET_EXPLICIT_RELOCS,
5071         MASK_SMALL_DATA, TARGET_SMALL_DATA, MASK_TLS_KERNEL, TARGET_TLS_KERNEL,
5072         MASK_SMALL_TEXT, TARGET_SMALL_TEXT, MASK_LONG_DOUBLE_128,
5073         TARGET_LONG_DOUBLE_128, MASK_CPU_EV5, TARGET_CPU_EV5, MASK_CPU_EV6,
5074         TARGET_CPU_EV6, MASK_SUPPORT_ARCH): Remove.
5075         (TARGET_SWITCHES, TARGET_OPTIONS): Remove.
5076         (TARGET_DEFAULT): Remove MASK_FP.
5077         (TARGET_FP): Redefined based on TARGET_SOFT_FP.
5078         (TARGET_SUPPORT_ARCH): Default on if HAVE_AS_EXPLICIT_RELOCS.
5079         (alpha_cpu_string, alpha_tune_string, alpha_fprm_string,
5080         alpha_fptm_string, alpha_tp_string, alpha_mlat_string,
5081         alpha_tls_size_string): Remove.
5082         * config/alpha/alpha.md (prefetch): Use alpha_cpu.
5083         (attribute tune): Rename from attribute cpu.
5084         * config/alpha/ev4.md: Update to match.
5085         * config/alpha/ev5.md, config/alpha/ev6.md: Likewise.
5086         * config/alpha/freebsd.h (TARGET_DEFAULT): Remove MASK_FP.
5087         * config/alpha/linux.h (TARGET_DEFAULT): Likewise.
5088         * config/alpha/netbsd.h (TARGET_DEFAULT): Likewise.
5089         * config/alpha/osf5.h (TARGET_DEFAULT): Likewise.
5090         * config/alpha/vms.h (TARGET_DEFAULT): Likewise.
5091
5092 2005-03-16  James E. Wilson  <wilson@specifixinc.com>
5093
5094         * config/ia64/ia64.c (issue_nops_and_insn): Check first_insn attribute,
5095         and return without creating new state if before_nops_num is nonzero.
5096         * config/ia64/ia64.md (first_insn): New attribute.
5097         (alloc): Set it to yes.
5098
5099 2005-03-16  Daniel Berlin  <dberlin@dberlin.org>
5100
5101         * tree-vectorizer.c (new_vec_stmt_info): Initialize
5102         STMT_VINFO_SUBVARS to NULL.
5103         * tree-vect-analyze.c (vect_analyze_data_refs): Ditto.
5104
5105 2005-03-16 Dale Johannesen  <dalej@apple.com>
5106
5107         * rtlanal.c (find_first_parameter_load):  Rewrite to
5108         return actual first param load or the call if none,
5109         instead of first in block, when not all loads exist.
5110
5111 2005-03-16  Roger Sayle  <roger@eyesopen.com>
5112
5113         * optabs.c (expand_copysign_absneg): Make static.
5114         * optabs.h (expand_copysign_absneg): Delete prototype.
5115         * config/rs6000/rs6000.md (copysigntf3): Delete pattern.
5116
5117 2005-03-16  Richard Henderson  <rth@redhat.com>
5118
5119         PR middle-end/15700
5120         * varasm.c (struct alias_pair): Rename from struct output_def_pair.
5121         (alias_pairs): Rename from output_defs.
5122         (find_decl_and_mark_needed): Split out from assemble_alias.
5123         (do_assemble_alias): New.
5124         (assemble_output_def): Remove.
5125         (finish_aliases_1, finish_aliases_2): New.
5126         (process_pending_assemble_output_defs): Remove.
5127         (assemble_alias): Defer aliases for which we don't yet have a
5128         non-external decl for the target symbol.
5129         * passes.c (rest_of_decl_compilation): Register variables with cgraph.
5130         * cgraphunit.c (cgraph_finalize_compilation_unit): Use finish_aliases_1.
5131         * toplev.c (compile_file): Use finish_aliases_2 instead of
5132         process_pending_assemble_output_defs.
5133         * tree.h (finish_aliases_1, finish_aliases_2): Declare.
5134         (process_pending_assemble_output_defs): Remove.
5135
5136 2005-03-16  Daniel Berlin  <dberlin@dberlin.org>
5137
5138         Fix PR tree-optimization/20489
5139
5140         * tree-ssa-alias.c (push_fields_onto_fieldstack): DTRT
5141         for empty structures.
5142
5143 2005-03-16  Daniel Berlin  <dberlin@dberlin.org>
5144
5145         Fix PR tree-optimization/20490
5146
5147         * tree-ssa-pre.c (create_expression_by_pieces): Use
5148         force_gimple_operand on result of fold.
5149
5150 2005-03-16  Andrew Pinski  <pinskia@physics.uc.edu>
5151
5152         * config/i386/emmintrin.h (_mm_extract_epi16): Correct the number
5153         of closing parenthesis.
5154
5155 2005-03-16  Kazu Hirata  <kazu@cs.umass.edu>
5156
5157         * builtins.c (expand_movstr): Update a call to
5158         fold_builtin_strcpy.
5159         (expand_builtin_strncpy): Update a call to
5160         fold_builtin_strncpy.
5161         (fold_builtin_strcpy, fold_builtin_strncpy): Take decomosed
5162         arguments of CALL_EXPR.
5163         (fold_builtin_1): Update calls to fold_builtin_strcpy and
5164         fold_builtin_strncpy.
5165         * tree-ssa-ccp.c (ccp_fold_builtin): Likewise.
5166         * tree.h: Update the prototypes of fold_builtin_strcpy and
5167         fold_builtin_strncpy.
5168
5169 2005-03-16  Steven Bosscher  <stevenb@suse.de>
5170             Dorit Naishlos  <dorit@il.ibm.com>
5171
5172         * tree-vect-analyze.c (vect_enhance_data_refs_alignment): Copy
5173         UNITS_PER_SIMD_WORD to a local variable to avoid a "division by zero"
5174         error.
5175
5176 2005-03-16  Steven Bosscher  <stevenb@suse.de>
5177
5178         * tree-inline.c (walk_type_fields, walk_tree,
5179         walk_tree_without_duplicates): Move from here...
5180         * tree.c: ...to here.
5181
5182 2005-03-15  Zack Weinberg  <zack@codesourcery.com>
5183
5184         * BASE-VER, DATESTAMP, DEV-PHASE: New files.
5185         * Makefile.in (gcc_version, gcc_version_trigger, ): Delete.
5186         (BASEVER, DEVPHASE, DATESTAMP, BASEVER_c, DEVPHASE_c, DATESTAMP_c)
5187         (BASEVER_s, DEVPHASE_s, DATESTAMP_s): New variables.
5188         (version): Define using $(BASEVER_c).
5189         (Makefile, config.status, build/gcov-iov.o): No longer depends on
5190         version.c.
5191         (version.o): Depend on version files; add custom generation command.
5192         (prefix.o): Define BASEVER on command line.
5193         (s-iov): Depend on version files; adjust command.
5194         (TEXI_CPP_FILES, TEX_IGCC_FILES, TEXI_GCCINT_FILES, TEXI_CPPINT_FILES):
5195         Add gcc-vers.texi.
5196         (gcc-vers.texi): New rule.
5197         (doc/%.info, doc/%.dvi): Add -I . to command line.
5198         (doc/gccinstall.dvi): Likewise.
5199         (PACKAGE): Delete.  All uses replaced with "gcc".
5200         * aclocal.m4: Do not include gcc-version.m4.
5201         * configure.ac: Do not invoke TL_AC_GCC_VERSION.
5202         Do not AC_SUBST nor AC_DEFINE PACKAGE or VERSION.
5203         Set is_release based on contents of DEV-PHASE.
5204         Set gcc_version based on contents of BASE-VER.
5205         Define WIN32_REGISTRY_KEY only if the user overrode the default.
5206         * config.in, configure: Regenerate.
5207         * gccbug.in: Determine version of GCC in use at runtime.
5208         * gcov-iov.c: Get version number and development phase from
5209         command line, not by including version.c.
5210         * intl.c: Replace all uses of PACKAGE with "gcc".
5211         * libada-mk.in: Delete unused "gcc_version" variable.
5212         * prefix.c: Default WIN32_REGISTRY_KEY to BASEVER.
5213         * version.c: (VERSUFFIX): New hook for redistributors; adjust
5214         commentary to match.
5215         (version_string): Put together from pieces.
5216         * config/alpha/x-vms: Do not use $(gcc_version).
5217         * config/i386/t-nwld: Likewise.
5218         * doc/include/gcc-common.texi: Include gcc-vers.texi for
5219         version-GCC and DEVELOPMENT.
5220
5221 2005-03-15  Roger Sayle  <roger@eyesopen.com>
5222
5223         PR tree-optimization/17454
5224         * tree.c (tree_size): Add case for TREE_BINFO.
5225         * fold-const.c (fold_checksum_tree): Only clear the overloaded
5226         field TYPE_CACHED_VALUES if TYPE_CACHED_VALUES_P is set.
5227
5228 2005-03-15  Roger Sayle  <roger@eyesopen.com>
5229
5230         * optabs.c (expand_doubleword_mult): Avoid clobbering op0 and
5231         op1 whilst expanding the signed widenening multiply variant.
5232
5233 2005-03-15  Richard Sandiford  <rsandifo@redhat.com>
5234
5235         * toplev.c (display_target_options): Avoid unused variable warning if
5236         TARGET_SWITCHES and TARGET_OPTIONS are both undefined.
5237         * config/mips/mips.c (mips_arch_string, mips_tune_string): Make static.
5238         (mips_isa_string, mips_abi_string, mips_fix_vr4130_string): Delete.
5239         (mips_isa): Initialize to MIPS_ABI_DEFAULT.
5240         (mips_isa_info): New variable.
5241         (mips_parse_cpu): Remove the first argument and leave the caller
5242         to report errors.
5243         (TARGET_HANDLE_OPTION): Override default.
5244         (mips_handle_option): New function.  Move option validation code from...
5245         (override_options): ...here.  Update calls to mips_parse_cpu.
5246         * config/mips/mips.h (mips_arch_string, mips_tune_string)
5247         (mips_isa_string, mips_abi_string, TARGET_OPTIONS)
5248         (SUBTARGET_TARGET_OPTIONS): Delete.
5249         * config/mips/mips.opt (mabi=, march=, mflush-func=, mips)
5250         (mno-flush-func, mtune=): New options.
5251
5252 2005-03-15  Roger Sayle  <roger@eyesopen.com>
5253             Richard Henderson  <rth@redhat.com>
5254
5255         * real.c (c4x_single_format, c4x_extended_format): Provide values
5256         for signbit_ro for c4x's single and extended floating point formats.
5257         * optabs.c (expand_copysign): Use the floating point format's
5258         signbit_ro for expanding via expand_copysign_absneg, and it's
5259         signbit_rw field for expanding via expand_copysign_bit.
5260
5261 2005-03-15  Dorit Naishlos  <dorit@il.ibm.com>
5262
5263         * tree-vectorizer.h (unknown_alignment_for_access_p): Replaced by
5264         known_alignment_for_access_p.
5265         (known_alignment_for_access_p): New.
5266         (do_peeling_for_alignment): Field made int instead of bool and renamed
5267         to peeling_for_alignment.
5268         (LOOP_DO_PEELING_FOR_ALIGNMENT): Renamed to LOOP_PEELING_FOR_ALIGNMENT.
5269         * tree-vect-analyze.c (vect_determine_vectorization_factor): New. This
5270         functionality used to be in vect_analyze_operations.
5271         (vect_analyze_operations): Code to determine vectorization factor was
5272         moved to vect_determine_vectorization_factor.
5273         (vect_enhance_data_refs_alignment): Update to correct alignment when it
5274         is known instead of -1.  Set LOOP_PEELING_FOR_ALIGNMENT to peeling
5275         factor.
5276         (vect_analyze_loop): Call vect_determine_vectorization_factor (used to
5277         be part of vect_analyze_operations).
5278         * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Use fold when
5279         creating the guard condition, as the number of iterations may be
5280         constant.
5281         (slpeel_tree_peel_loop_to_edge): Use new name of
5282         LOOP_DO_PEELING_FOR_ALIGNMENT. Set it to 0 instead of false.
5283         * tree-vect-transform.c (vect_gen_niters_for_prolog_loop): Handle known
5284         alignment case more efficiently. Use LOOP_PEELING_FOR_ALIGNMENT.
5285         (vect_do_peeling_for_alignment): Use fold.
5286         (vect_transform_loop): Use new name of LOOP_DO_PEELING_FOR_ALIGNMENT.
5287
5288         (vect_update_inits_of_dr): Renamed to
5289         vect_update_init_of_dr.
5290         (vect_update_inits_of_drs): Use new name of vect_update_inits_of_dr.
5291         (vectorizable_store): Fix assertion to use == instead of =.
5292
5293 2005-03-15  Daniel Jacobowitz  <dan@codesourcery.com>
5294
5295         * config/arm/arm.h (CONDITIONAL_REGISTER_USAGE): Don't clear
5296         call_used_regs for wCG registers.
5297
5298 2005-03-15  Ulrich Weigand  <uweigand@de.ibm.com>
5299
5300         * config/s390/s390.c (s390_secondary_output_reload_class): Adapt check
5301         for non-offsettable memory references to cope with outstanding reload
5302         replacements, take 2.
5303
5304 2005-03-15  Uros Bizjak  <uros@kss-loka.si>
5305
5306         PR target/18668
5307         * config/i386/i386.h (x86_fisttp): New.
5308         (TARGET_FISTTP): New macro.
5309         * config/i386/i386.c (x86_fisttp): Set for NOCONA.
5310         (output_fix_trunc): Add fisttp parameter.  Generate fisttp x87
5311         instruction when fisttp flag is set.
5312         * config/i386/i386-protos.h (output_fix_trunc): Change declaration.
5313
5314         * config/i386/i386.md (type attribute): Add fisttp.
5315         (unit attribute): Set to i387 for fisttp type.
5316         (X87MODEF, X87MODEI, SSEMODEF, SSEMODEI24): New mode macros.
5317         (fix_truncxfdi2, fix_truncxfsi2): Generate fisttp patterns for
5318         TARGET_FISTTP.
5319         (fix_truncdfdi2, fix_truncsfdi2, fix_truncdfsi2, fix_truncsfsi2):
5320         Generate fisttp patterns for TARGET_FISTTP. Implement using mode
5321         macros.
5322         (fix_truncxfhi2, fix_truncdfhi2, fix_truncsfhi2): Generate fisttp
5323         patterns for TARGET_FISTTP.  Enable patterns for
5324         (TARGET_FISTTP && !TARGET_SSE_MATH). Implement using mode macros.
5325         (fix_trunc<mode>_i387_fisttp_1, fix_trunc<mode>_i387_fisttp,
5326         fix_trunc<mode>_i387_fisttp_with_temp): New instruction patterns to
5327         implement fisttp x87 insn.
5328         (fix_trunc*_i387_fisttp splitters): New patterns.
5329         (*fix_truncdi_i387, *fix_truncsi_i387, *fix_trunchi_i387):
5330         Rename to *fix_trunc<mode>_i387_1.  Implement using mode macros.
5331         Disable patterns for TARGET_FISTTP.  Add comment about FLAGS_REG
5332         clobber.
5333         (fix_truncdi_memory, fix_truncdi_nomemory, fix_trunchi_nomemory):
5334         Rename to fix_trunc<mode>_i387 and fix_trunc<mode>_i387_with_temp.
5335         Implement using mode macros. Disable patterns for TARGET_FISTTP.
5336         (fix_truncsi_memory, fix_truncsi_nomemory, fix_trunchi_memory,
5337         fix_trunchi_nomemory): Rename to fix_trunc<mode>_i387 and
5338         fix_trunc<mode>_i387_with_temp. Implement using mode macros.
5339         Disable patterns for TARGET_FISTTP.
5340         (fix_trunc*_i387 splitters): Implement usign mode macros.
5341         (fix_truncdfdi_sse, fix_truncsfdi_sse, fix_truncdfsi_sse,
5342         fix_truncsfsi_sse): Disable for (TARGET_FISTTP && !TARGET_SSE_MATH).
5343         (fix_trunx*_sse peephole2s): Implement using mode macros.
5344
5345 2005-03-15  J"orn Rennecke <joern.rennecke@st.com>
5346
5347         PR rtl-optimization/20291
5348         * combine.c (try_combine): If splitting fails, re-try with
5349         original combined pattern, i.e. before clobber stripping.
5350
5351 2005-03-14  Eric Christopher  <echristo@redhat.com>
5352
5353         * config/mips/mips.h (DWARF_CIE_DATA_ALIGNMENT): Change for
5354         STACK_GROWS_DOWNWARD.
5355
5356 2005-03-14  Roger Sayle  <roger@eyesopen.com>
5357
5358         * real.h (struct real_format): Split the signbit field into two
5359         two fields, signbit_ro and signbit_rw.
5360         * real.c (ieee_single_format, mips_single_format, ieee_double_format,
5361         mips_double_format, ieee_extended_motorola_format,
5362         ieee_extended_intel_96_format, ieee_extended_intel_96_round_53_format,
5363         ieee_extended_intel_128_format, ibm_extended_format,
5364         mips_extended_format, ieee_quad_format, mips_quad_format,
5365         vax_f_format, vax_d_format, vax_g_format, i370_single_format,
5366         i370_double_format, c4x_single_format, c4x_extended_format,
5367         real_internal_format): Update initializers for new field.
5368         * builtins.c (expand_builtin_signbit): Use signbit_ro field of the
5369         real_format structure.
5370         * optabs.c (expand_absneg_bit, expand_copysign): Use signbit_rw
5371         field of the real_format structure.
5372
5373 2005-03-14  Daniel Berlin <dberlin@dberlin.org>
5374
5375         Fix PR tree-optimization/20458
5376
5377         * tree-flow-inline.h (mark_call_clobbered): Don't fiddle
5378         DECL_EXTERNAL on STRUCT_FIELD tags.
5379         (clear_call_clobbered): Ditto.
5380         * tree-ssa-operands.c (note_addressable): Make sure the original
5381         variable doesn't slip into the addressable list if we have
5382         subvars.
5383         * tree-tailcall.c (suitable_for_tail_opt_p): Look at STRUCT_FIELD
5384         tags too.
5385
5386 2005-03-14  Geoffrey Keating  <geoffk@apple.com>
5387
5388         * doc/cppopts.texi (-fexec-charset): Add concept index entry.
5389         (-fwide-exec-charset): Likewise.
5390         (-finput-charset): Likewise.
5391         * doc/invoke.texi (Warning Options): Document -Wnormalized=.
5392         * c-opts.c (c_common_handle_option): Handle -Wnormalized=.
5393         * c.opt (Wnormalized): New.
5394
5395 2005-03-14  Devang Patel  <dpatel@apple.com>
5396
5397         * doc/invoke.texi: Add reference to Visibility document.
5398
5399 2005-03-14  Richard Sandiford  <rsandifo@redhat.com>
5400
5401         * config.gcc (mips*-*-*): Rename MASK_SPLIT_ADDRS to
5402         MASK_SPLIT_ADDRESSES.
5403         * config/mips/mips.h (target_flags, mips_fix_vr4130_string): Delete.
5404         (MASK_INT64, MASK_LONG64, MASK_SPLIT_ADDR, MASK_NO_FUSED_MADD)
5405         (MASK_EXPLICIT_RELOCS, MASK_MEMCPY, MASK_SOFT_FLOAT)
5406         (MASK_FLOAT64, MASK_ABICALLS, MASK_XGOT, MASK_LONG_CALLS)
5407         (MASK_64BIT, MASK_EMBEDDED_DATA, MASK_BIG_ENDIAN)
5408         (MASK_SINGLE_FLOAT, MASK_MAD, MASK_4300_MUL_FIX, MASK_MIPS16)
5409         (MASK_NO_CHECK_ZERO_DIV, MASK_BRANCHLIKELY)
5410         (MASK_UNINIT_CONST_IN_RODATA, MASK_FIX_R4000, MASK_FIX_R4400)
5411         (MASK_FIX_SB1, MASK_FIX_VR4120, MASK_VR4130_ALIGN)
5412         (MASK_FP_EXCEPTIONS, MASK_DIVIDE_BREAKS, MASK_PAIRED_SINGLE)
5413         (MASK_MIPS3D, MASK_SYM32, MASK_DEBUG, MASK_DEBUG_D)
5414         (MASK_MIPS_TFILE, TARGET_INT64, TARGET_LONG64, TARGET_FLOAT64)
5415         (TARGET_64BIT, TARGET_SPLIT_ADDRESSES, TARGET_DEBUG_MODE)
5416         (TARGET_DEBUG_D_MODE, TARGET_MEMCPY, TARGET_ABICALLS)
5417         (TARGET_XGOT, TARGET_SOFT_FLOAT, TARGET_HARD_FLOAT)
5418         (TARGET_LONG_CALLS, TARGET_EMBEDDED_DATA)
5419         (TARGET_UNINIT_CONST_IN_RODATA, TARGET_BIG_ENDIAN)
5420         (TARGET_SINGLE_FLOAT, TARGET_DOUBLE_FLOAT, TARGET_MAD)
5421         (TARGET_FUSED_MADD, TARGET_4300_MUL_FIX, TARGET_CHECK_ZERO_DIV)
5422         (TARGET_DIVIDE_TRAPS, TARGET_BRANCHLIKELY, TARGET_FIX_SB1)
5423         (TARGET_FIX_R4000, TARGET_FIX_R4400, TARGET_FIX_VR4120)
5424         (TARGET_FIX_VR4130, TARGET_VR4130_ALIGN, TARGET_FP_EXCEPTIONS)
5425         (TARGET_PAIRED_SINGLE_FLOAT, TARGET_MIPS3D, TARGET_SYM32)
5426         (TARGET_EXPLICIT_RELOCS): Delete.
5427         (TARGET_SWITCHES, SUBTARGET_TARGET_SWITCHES): Delete.
5428         (TARGET_OPTIONS): Remove entry for -mfix-vr4130.
5429         * config/mips/mips.c (TARGET_DEFAULT_TARGET_FLAGS): Define.
5430         (override_options): Set MASK_LONG64 if -mint64 is given and no
5431         -mlongXX option is.  Complain about -mint64 -mlong32.
5432         (override_options, CMP_BUILTINS, mips_bdesc, sb1_desc): Rename
5433         MASK_PAIRED_SINGLE to MASK_PAIRED_SINGLE_FLOAT.
5434         * config/mips/mips.opt: New file.
5435
5436 2005-03-14  Richard Sandiford  <rsandifo@redhat.com>
5437
5438         * config.gcc (extra_options): New variable for listing option files.
5439         Add ${cpu_type}/${cpu_type}.opt to it if that file exists.
5440         * configure.ac (extra_opt_files): New AC_SUBST variable.
5441         (tm_file_list, tm_include_list): Include options.h first.
5442         * configure: Regenerate.
5443         * Makefile.in (extra_opt_files, ALL_OPT_FILES): New variables.
5444         (s-options): Use $(ALL_OPT_FILES) instead of $(lang_opt_files)
5445         (s-options-h): New rule.
5446         (options.h): Depend on it.
5447         (TEXI_GCCINT_FILES): Add options.texi.
5448         * hooks.h (hook_bool_size_t_constcharptr_int_true): Declare.
5449         * hooks.c (hook_bool_size_t_constcharptr_int_true): New function.
5450         * target.h (gcc_target): Add default_target_flags and handle_option.
5451         * target-def.h (TARGET_DEFAULT_TARGET_FLAGS)
5452         (TARGET_HANDLE_OPTION): New macros.
5453         (TARGET_INITIALIZER): Include them.
5454         * opt-functions.awk (opt_args, nth_arg): New functions.
5455         (switch_flags): Handle the "Target" flag.
5456         (var_args): Delete.
5457         (var_name): Use opt_args and nth_arg.
5458         (var_set, var_ref): Likewise.  Handle "Mask" and "InverseMask".
5459         * opth-gen.awk: Declare target_flags.  Declare MASK_* and TARGET_*
5460         macros for the "Mask" and "InverseMask" options.
5461         * opts.h (cl_var_cond): New enum.
5462         (cl_option): Replace the "has_set_value" and "set_value" fields with
5463         "var_cond" and "var_value".
5464         (CL_TARGET): New macro.
5465         (option_enabled, print_filtered_help): Declare.
5466         (decode_options): Move definition.
5467         * opts.c (handle_option): Search for the original option before
5468         removing any "no-" prefix.  Handle CL_TARGET.  Adjust for the new
5469         var_cond and var_value fields.  Use targetm.handle_option to handle
5470         target options.
5471         (decode_options): Set target_flags to targetm.default_target_flags.
5472         (print_filtered_help): Make global.  Handle CL_TARGET.
5473         (option_enabled): New function.
5474         * toplev.c (target_switches): Guard with #ifdef TARGET_SWITCHES.
5475         (display_target_options, set_target_switch, print_switch_values)
5476         (default_pch_valid_p): Guard uses of target_switches with
5477         #ifdef TARGET_SWITCHES.  Also...
5478         (display_target_options): Display the CL_TARGET entries in cl_options.
5479         (set_target_option): Don't complain about the "" option when
5480         TARGET_SWITCHES is undefined.
5481         (print_switch_values): Use option_enabled.
5482         (default_pch_valid_p): Check cl_options[] when looking for something
5483         that has changed the value of target_flags.
5484         * c.opt: Remove documentation from top of file.
5485         * doc/gccint.texi: Add an "Options" chapter.  Include options.texi.
5486         * doc/sourecebuild.texi: Refer to the new options documentation
5487         instead of c.opt.  Document machine-specific .opt files.
5488         * doc/tm.texi (target_flags): Say that this variable is declared
5489         by options.h.
5490         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Document.
5491         (TARGET_SWITCHES, TARGET_OPTIONS): Refer to the option files as
5492         an alternative.
5493         * doc/options.texi: New file.
5494
5495 2005-03-14  Alexandre Oliva  <aoliva@redhat.com>
5496
5497         PR middle-end/18628
5498         * cse.c (fold_rtx_mem): Don't fold a load from a jumptable into a
5499         register.
5500
5501 2005-03-14  Alexandre Oliva  <aoliva@redhat.com>
5502
5503         PR c++/20280
5504         * gimplify.c (gimplify_cond_expr): Add fallback argument.  Use a
5505         temporary variable of pointer type if an lvalues is required.
5506         (gimplify_modify_expr_rhs): Request an rvalue from it.
5507         (gimplify_expr): Pass fallback on.
5508
5509 2005-03-14  Kazu Hirata  <kazu@cs.umass.edu>
5510
5511         * cfgbuild.c: Update comments.
5512
5513 2005-03-14  Roger Sayle  <roger@eyesopen.com>
5514
5515         PR rtl-optimization/17236
5516         * optabs.c (expand_doubleword_mult): New helper function split out
5517         from expand_binop.  Permute the order in which instructions are
5518         emitted to minimize the number of simultaneously live registers.
5519         (expand_binop): Call expand_doubleword_mult to synthesize a double
5520         word multiplication.
5521
5522 2005-03-14  Kazu Hirata  <kazu@cs.umass.edu>
5523
5524         * basic-block.h: Update the prototypes of cached_make_edge and
5525         rtl_make_eh_edge.
5526         * cfg.c (cached_make_edge): Take edge_cache representing one
5527         row of the adjacency matrix of edges.
5528         * cfgbuild.c (make_label_edge, rtl_make_eh_edge): Likewise.
5529         (make_edges): Initialize edge_cache to represent one row of
5530         the adjacency matrix of edges.
5531
5532 2005-03-14  Zdenek Dvorak  <dvorakz@suse.cz>
5533
5534         * tree-ssa-phiopt.c (minmax_replacement, blocks_in_phiopt_order):
5535         New functions.
5536         (tree_ssa_phiopt): Use blocks_in_phiopt_order and minmax_replacement.
5537         Remove unused removed_phis variable.
5538         (conditional_replacement): Use build1/build2.
5539         (abs_replacement): Use last_and_only_stmt and build1/build2.
5540
5541 2005-03-14  Zdenek Dvorak  <dvorakz@suse.cz>
5542
5543         * builtin-attrs.def (ATTR_NOVOPS, ATTR_NOVOPS_LIST,
5544         ATTR_PURE_NOTHROW_NOVOPS_LIST): New.
5545         * builtins.def (ATTR_MATHFN_FPROUNDING): Use NOVOPS.
5546         (BUILT_IN_PREFETCH): Set the NOVOPS attribute.
5547         * c-common.c (handle_novops_attribute): New function.
5548         (c_common_attribute_table): Add "no vops" entry.
5549         * c-decl.c (merge_decls): Copy DECL_IS_NOVOPS.
5550         * calls.c (flags_from_decl_or_type): Set ECF_NOVOPS.
5551         * tree-ssa-operands.c (get_call_expr_operands): Do not
5552         create virtual operands for calls with ECF_NOVOPS flag.
5553         * tree.h (DECL_IS_NOVOPS): New macro.
5554         (struct tree_decl): Add novops_flag.
5555         (ECF_NOVOPS): New constant.
5556
5557 2005-03-14  Uros Bizjak  <uros@kss-loka.si>
5558
5559         PR target/17688
5560         * config/i386/i386.c (x86_use_himode_fiop): New.
5561         (x86_use_simode_fiop): Rename from x86_use_fiop.
5562         * config/i386/i386.h (x86_use_himode_fiop): Declare.
5563         (TARGET_USE_HIMODE_FIOP): New.
5564         (x86_use_simode_fiop): Rename from x86_use_fiop.
5565         (TARGET_USE_SIMODE_FIOP): Rename from TARGET_USE_FIOP.
5566
5567         * config/i386/i386.md (X87MODEI12): New mode macro define.
5568         (*cmpfp_<mode>): Rename from *cmpfp_si.  Use X87MODEI12 mode macro
5569         to implement x87 FP compare with HImode input operands.
5570         (*fp_jcc_8<mode>_387, splitter): Rename from *fp_jcc_8_387.
5571         Use X87MODEI12 mode macro to handle HImode input operands.
5572         (*fop_sf_2<mode>_i387, *fop_sf_3<mode>_i387, *fop_df_2<mode>_i387,
5573         *fop_df_3<mode>_i387, *fop_xf_2<mode>_i387, *fop_xf_3<mode>_i387):
5574         Renamed from *fop_sf_2_i387, *fop_sf_3_i387, *fop_df_2_i387,
5575         *fop_df_3_i387, *fop_xf_2_i387, *fop_xf_3_i387. Use X87MODEI12 mode
5576         macro to implement x87 operators with HImode input operands.
5577         (fop splitters): Use X87MODEI12 mode macro to handle HImode
5578         input operands.
5579
5580 2005-03-14  Zdenek Dvorak  <dvorakz@suse.cz>
5581
5582         * tree-cfg.c (find_taken_edge_cond_expr): Use zero_p instead of
5583         integer_zerop.
5584         * tree-gimple.c (is_gimple_min_invariant): Consider overflowed
5585         constants invariant.
5586
5587 2005-03-14  Zdenek Dvorak  <dvorakz@suse.cz>
5588
5589         * basic-block.h (BB_VISITED): Removed.
5590         * cfganal.c (dfs_enumerate_from): Do not use BB_VISITED flag.
5591
5592 2005-03-14  Falk Hueffner  <falk@debian.org>
5593
5594         PR bootstrap/20424
5595         * config/alpha/alpha.c (alpha_fold_builtin_cmpbge): Fix typo.
5596
5597 2005-03-14  Kazu Hirata  <kazu@cs.umass.edu>
5598
5599         * ggc-zone.c: Fix comment typos.
5600
5601         * alloc-pool.c, except.h, ggc-common.c, ggc-zone.c, ggc.h,
5602         stringpool.c, config/mips/mips-protos.h: Update copyright.
5603
5604 2005-03-14  Alan Modra  <amodra@bigpond.net.au>
5605
5606         * config/rs6000/rs6000-protos.h: Replace "struct rtx_def *"
5607         throughout with its typedef, "rtx".
5608         * config/rs6000/rs6000.c: Likewise.  Formatting fixes.
5609         (rs6000_tls_symbol_ref_1): Remove inline keyword.
5610         * config/rs6000/rs6000.h (REG_ALLOC_ORDER): Formatting.  Reorder
5611         regs in comment to match code.
5612
5613 2005-03-14  Kazu Hirata  <kazu@cs.umass.edu>
5614
5615         * except.c (check_handled): Make it static.
5616         * except.h: Remove the corresponding prototype.
5617
5618         * function.c (get_func_frame_size): Make it static.
5619         * function.h: Remove the corresponding type.
5620
5621         * regclass.c (reg_class_superclasses, reg_class_subclasses):
5622         Make them static.
5623         * hard-reg-set.h: Remove the corresponding declarations.
5624
5625         * tree-cfg.c (verify_stmts): Check that
5626         bb_for_stmt (stmt) == bb for every PHI node and statement.
5627
5628 2005-03-14  Alan Modra  <amodra@bigpond.net.au>
5629
5630         * config.gcc: Remove excess indentation.
5631         (powerpc*-*-*, rs6000-*-*): Accept --with-cpu/tune power5 and 8548.
5632
5633 2005-03-13  Roger Sayle  <roger@eyesopen.com>
5634
5635         PR middle-end/19331
5636         * tree.c (get_unwidened): Treat CONVERT_EXPR and NOP_EXPR identically.
5637         * fold-const.c (fold_sign_changed_comparison): Likewise.
5638         (fold_binary): Optimize comparisons against widened operands if
5639         the extension is represented by a CONVERT_EXPR, same as a NOP_EXPR.
5640
5641 2005-03-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
5642
5643         * config/sparc/sparc.c (struct_value_alias_set): New global variable.
5644         (sparc_override_options): Initialize it.
5645         (sparc_struct_value_rtx): Set it on the MEM to be returned.
5646
5647 2005-03-13  David Edelsohn  <edelsohn@gnu.org>
5648
5649         * config/rs6000/predicates.md (mem_or_easy_const_operand): Delete.
5650         (reg_or_none500mem_operand): New predicate.
5651         (zero_reg_mem_operand): New predicate.
5652         * config/rs6000/rs6000.md (extendsfdf2): Change operand1 predicate
5653         to reg_or_none500mem_operand.
5654         (extendsfdf2_fpr): Add MEM alternative.
5655         (extenddftf2_internal): Change operand2 predicate to
5656         zero_reg_mem_operand.
5657
5658 2005-03-13  Daniel Jacobowitz  <dan@codesourcery.com>
5659
5660         * ggc-zone.c: Rewritten.
5661
5662         * alloc-pool.c (dump_alloc_pool_statistics): Don't print statistics
5663         if there are none.
5664         * configure.ac: Define GGC_ZONE for --with-gc=zone.
5665         * config.in: Regenerated.
5666         * configure: Regenerated.
5667         * gengtype.c (write_types_process_field, write_func_for_structure):
5668         Pass new argument to gt_pch_note_object.
5669         * ggc-common.c (struct ptr_data): Add TYPE.
5670         (gt_pch_note_object): Take TYPE argument and save it.
5671         (call_count): Update call to ggc_pch_count_object.
5672         (call_alloc): Update call to ggc_pch_alloc_object.
5673         (gt_pch_save): Call ggc_pch_prepare_write after paddng the PCH
5674         file.
5675         * ggc-none.c (rtl_zone, garbage_zone, ggc_alloc_zone_stat): Delete.
5676         * ggc-page.c (rtl_zone, tree_zone, garbage_zone)
5677         (ggc_alloc_zone_stat): Delete.
5678         (ggc_pch_count_object, ggc_pch_alloc_object): Add TYPE argument.
5679         * ggc.h (gt_pch_note_object, ggc_pch_count_object)
5680         (ggc_pch_alloc_object): Update prototypes.
5681         (garbage_zone): Delete.
5682         (tree_zone, rtl_zone, ggc_alloc_zone_stat, ggc_alloc_zone): Move to
5683         GGC_ZONE conditional.  Update.  Change tree_zone and rtl_zone into
5684         pointers.
5685         (tree_id_zone): New variable.
5686         (ggc_alloc_cleared_zone): Remove unused.
5687         (ggc_alloc_zone): Define.
5688         (ggc_alloc_rtvec, ggc_alloc_tree): Update to use ggc_alloc_zone.
5689         * rtl.c (rtx_alloc_stat, shallow_copy_rtx_stat): Use
5690         ggc_alloc_zone_stat.
5691         * stringpool.c (gt_pch_n_S): Update call to gt_pch_note_object.
5692         * tree.c (copy_node_stat, make_tree_binfo_stat, make_tree_vec_stat)
5693         (tree_cons_stat, build1_stat): Update call to ggc_alloc_zone_stat.
5694         (make_node_stat): Likewise.  Use tree_id_zone.
5695
5696 2005-03-13  Daniel Jacobowitz  <dan@codesourcery.com>
5697             Joseph S. Myers  <joseph@codesourcery.com>
5698
5699         * configure.ac: Check for MIPS TLS.
5700         * configure: Regenerated.
5701         * config/mips/mips-protos.h (enum mips_symbol_type): Add
5702         SYMBOL_TLS, SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL,
5703         SYMBOL_GOTTPREL, and SYMBOL_TPREL.
5704         * config/mips/mips.c (mips_regno_to_class): Handle V1_REG.
5705         (TARGET_HAVE_TLS, TARGET_CANNOT_FORCE_CONST_MEM): Define.
5706         (mips_classify_symbol, mips_symbolic_constant_p)
5707         (mips_symbolic_address_p, mips_symbol_insns): Handle TLS symbols.
5708         (mips_tls_operand_p, mips_call_tls_get_addr)
5709         (mips_legitimize_tls_address, mips_cannot_force_const_mem)
5710         (mips_tls_symbol_ref_1): New functions.
5711         (mips_legitimize_address, mips_legitimize_const_move): Call
5712         mips_legitimize_tls_address.
5713         (override_options): Handle V1_REG and TLS symbols.  Disable TLS
5714         for MIPS16.
5715         * config/mips/mips.h (enum reg_class, REG_CLASS_NAMES)
5716         (REG_CLASS_CONTENTS, GR_REG_CLASS_P): Include V1_REG.
5717         (mips_char_to_class): Document V1_REG.
5718         (HAVE_AS_TLS): Provide default.
5719         * config/mips/mips.md (UNSPEC_TLS_LDM, UNSPEC_TLS_GET_TP): New
5720         constants.
5721         (load_got<mode>): Renamed from *load_got<mode>.  Allow when
5722         !TARGET_ABICALLS.
5723         (tls_get_tp_<mode>): New instruction.
5724
5725 2005-03-13  Daniel Jacobowitz  <dan@codesourcery.com>
5726
5727         * configure.ac: Update checks for target tools.
5728         * configure: Regenerated.
5729
5730 2005-03-13  Daniel Jacobowitz  <dan@codesourcery.com>
5731
5732         * varasm.c (decl_tls_model): Check flag_shlib instead of flag_pic.
5733
5734 2005-03-13  Roger Sayle  <roger@eyesopen.com>
5735
5736         * expmed.c (expand_mult): Use synthetic multiplication sequences for
5737         more classes of DImode multiplication by constant.  Allow both
5738         multiplication by small negative constants (by performing a
5739         multiplication by a positive constant and negating the result) and
5740         multiplications by large powers of two, by using a left shift.
5741
5742 2005-03-13  Kazu Hirata  <kazu@cs.umass.edu>
5743
5744         * tree-into-ssa.c (find_idf): Speed up by putting the indexes
5745         of basic blocks into work_stack.
5746
5747         * builtin-attrs.def, c-lex.c, c-pragma.h, reg-stack.c,
5748         config/mips/vr.h: Update copyright.
5749
5750         * c-decl.c (c_init_decl_processing): Remove useless calls to
5751         build_function_type.
5752
5753         * builtins.c (fold_trunc_transparent_mathfn,
5754         fold_fixed_mathfn, fold_builtin_atan, fold_builtin_trunc,
5755         fold_builtin_floor, fold_builtin_ceil, fold_builtin_round,
5756         fold_builtin_lround, fold_builtin_bitop, fold_builtin_memcpy,
5757         fold_builtin_strcpy, fold_builtin_strncpy,
5758         fold_builtin_signbit): Use TYPE (TYPE (fndecl)) instead of
5759         TREE_TYPE (exp).
5760
5761         * builtins.c (expand_builtin_mathfn_3): Remove local variable
5762         before_call.
5763
5764         * lambda-code.c (lambda_compute_auxillary_space): Remove local
5765         variable determinant.
5766
5767         * tree-cfg.c (group_case_labels): Remove local variable type.
5768
5769         * tree-ssa-live.c (build_tree_conflict_graph): Remove local
5770         variable ann.
5771
5772         * tree-ssa-phiopt.c (value_replacement): Remove local variable
5773         result.
5774
5775 2005-03-13  Andy Hutchinson  <HutchinsonAndy@netscape.net>
5776
5777         PR target/18251
5778         * config/avr/avr.md (movmemhi): Rewrite as RTL loop.
5779         (*movmemqi_insn): Delete.
5780         (*movmemhi): Delete.
5781
5782 2005-03-13  Kazu Hirata  <kazu@cs.umass.edu>
5783
5784         * builtins.c (fold_builtin_classify): Take decomposed
5785         arguments of CALL_EXPR.
5786         (fold_builtin_1): Update a call to fold_builtin_classify.
5787
5788 2005-03-13  Joseph S. Myers  <joseph@codesourcery.com>
5789
5790         PR c/20402
5791         * c-parser.c (c_parser_struct_or_union_specifier): Don't fall
5792         through into call to parser_xref_tag after parse error.
5793         (c_parser_struct_declaration): Consistently return NULL_TREE on
5794         error.
5795
5796 2005-03-12  Daniel Berlin  <dberlin@dberlin.org>
5797
5798         * tree-flow-inline.h (ref_contains_array_ref): New function.
5799         (lookup_subvars_for_var): Ditto.
5800         (get_subvars_for_var): Ditto.
5801         (var_can_have_subvars): Ditto.
5802
5803         * tree-flow.h (mem_tag_kind): Add STRUCT_FIELD.
5804         (struct subvar): New type.
5805
5806         * tree-dfa.c (okay_component_ref_for_subvars): New function.
5807
5808         * tree-optimize.c (init_tree_optimization_passes): Call
5809         pass_create_structure_vars.
5810
5811         * tree-ssa-alias.c: Include vec.h.
5812         (init_alias_info): Don't auto-clear call clobbered on struct-field
5813         tags.
5814         (compute_flow_insensitive_aliasing): Handle subvars.
5815         (group_aliases): Handle STRUCT_FIELD aliases.
5816         (setup_pointers_and_addressables): Ditto.
5817         Don't mark variables non-addressable if they still have
5818         addressable subvars.
5819         Also mark subvars addressable when the real variable is marked
5820         addressable.
5821         (add_pointed_to_var): Try to prune the pointed-to set by only
5822         pointing to subvars when possible.
5823         Otherwise, make sure we set addresses_needed and pt_vars to
5824         properly include subvars.
5825         (bitpos_of_field): New function.
5826         (push_fields_onto_fieldstack): Ditto.
5827         (get_or_create_used_part_for): Ditto.
5828         (create_overlap_variables_for): Ditto.
5829         (find_used_portions): Ditto.
5830         (create_structure_vars): Ditto.
5831         (pass_create_structure_vars): New structure.
5832
5833         * tree-ssa-operands.c (finalize_ssa_v_must_defs): Remove assert.
5834         (get_expr_operands): Handle subvars.  Also try to turn
5835         COMPONENT_REF accesses into must-defs now that we can accurately
5836         portray it.
5837         (note_addressable): Try to only mark as addressable those subvars
5838         we know a COMPONENT_REF touches.
5839         (overlap_subvar): New function.
5840
5841         * tree-vect-analyze.c (vect_object_analysis): Add new parameter.
5842         Handle subvar storing.
5843         (vect_address_analysis): Update caller of vect_object_analysis.
5844
5845         * tree-vect-transform.c (vect_create_data_ref_ptr): Copy subvars.
5846
5847         * tree-vectorizer.h (struct _stmt_vec_info): Add subvars member.
5848         (STMT_VINFO_SUBVARS): New macro.
5849
5850         * common.opts: add flag_tree_salias.
5851
5852         * opts.c (decode_options): flag_tree_salias defaults to on.
5853
5854         * doc/invoke.texi: Document fdump-tree-svars and -ftree-salias.
5855
5856         * doc/tree-ssa.texi: Document structural alias analysis.
5857
5858 2005-03-12  Steven Bosscher  <stevenb@suse.de>
5859
5860         * tree-cfg.c (make_goto_expr_edges): Don't use error_mark_node.
5861         * tree-ssa-dce.c (mark_stmt_necessary): Don't check for it.
5862         * tree-ssa-operands.c (get_expr_operands): Likewise.
5863         (get_expr_operands): Likewise for ERROR_MARK.
5864
5865 2005-03-12  Kazu Hirata  <kazu@cs.umass.edu>
5866
5867         * tree-ssa.c (kill_redundant_phi_nodes): Remove local variable
5868         var.
5869
5870         * tree-ssa-phiopt.c (tree_ssa_phiopt): Remove local variable
5871         removed_phis.
5872
5873         * tree-ssa-pre.c (compute_avail): Remove local variable val.
5874         (mark_operand_necessary): Remove local variable ver.
5875
5876         * tree-vect-transform.c (vect_get_new_vect_var): Remove local
5877         variable prefix_len.
5878
5879         * value-prof.c (mod_subtract_transform): Remove local variable
5880         value.
5881
5882         * builtins.c (fold_builtin_exponent): Take decomposed
5883         arguments of CALL_EXPR.
5884         (fold_builtin_1): Update a call to fold_builtin_exponent.
5885
5886         * builtins.c (fold_builtin_logarithm): Take decomposed
5887         arguments of CALL_EXPR.
5888         (fold_builtin_1): Update a call to fold_builtin_logarithm.
5889
5890         * c-decl.c (c_init_decl_processing): Remove local variables
5891         ptr_ftype_void and ptr_ftype_ptr.
5892
5893         * gimplify.c (gimplify_expr): Remove local variables r0 and
5894         r1.
5895
5896         * reg-stack.c (move_for_stack_reg): Remove local variable
5897         push_insn.
5898         (compare_for_stack_reg): Remove local variable flags_user.
5899         (convert_regs_1): Remove local variable deleted.
5900
5901         * tree-if-conv.c (tree_if_convert_cond_expr): Remove local
5902         variable new_cond.
5903         (combine_blocks): Remove local variables exits and new_e.
5904
5905         * tree-inline.c (expand_call_inline): Remove local variable
5906         decl.
5907
5908         * tree-ssa-live.c (create_ssa_var_map,
5909         calculate_live_on_entry): Remove local variable snn.
5910
5911 2005-03-12  Geoffrey Keating  <geoffk@apple.com>
5912
5913         * c-lex.c (c_lex_with_flags): Add parameter to call to
5914         cpp_spell_token.
5915
5916 2005-03-11  Per Bothner  <per@bothner.com>
5917
5918         * c-tree.h (struct c_declarator): New id_loc field.
5919         * c-pragma.h (c_lex_with_flags): Take position reference.
5920         * c-lex.c (c_lex_with_flags): Set passed-in location from cpp token,
5921         iff USE_MAPPED_LOCATION. (Type doesn't match otherwise.)
5922         (c_lex): Pass dummy location to c_lex_with_flags.
5923         * c-parser.c (c_lex_one_token): Set c_token's location using
5924         c_lex_with_flags, instead of input_location, which might be "ahead".
5925         (c_parser_direct_declarator): Set declarator's id_loc from
5926         c_token's id_loc.
5927         * c-decl.c (grokdeclarator): Set DECL_SOURCE_LOCATION from
5928         declarator's id_loc, rather than probably-imprecise input_location.
5929         (build_id_declarator): Initialize c_declarator's id_loc field.
5930
5931 2005-03-11  Roger Sayle  <roger@eyesopen.com>
5932
5933         PR middle-end/20419
5934         * builtins.c (expand_builtin_signbit): Force the signbit's word
5935         into an integer register to avoid SUBREGs of floating point modes.
5936
5937 2005-03-12  Kazu Hirata  <kazu@cs.umass.edu>
5938
5939         * cfglayout.c, loop-doloop.c, profile.c, target-def.h,
5940         target.h, targhooks.c, tracer.c, tree-ssa-loop-ch.c,
5941         tree-ssa-loop-unswitch.c, tree-ssa-loop.c, vec.c, vmsdbgout.c,
5942         config/m32r/m32r.md, config/xtensa/xtensa.h: Update copyright.
5943
5944 2005-03-11  David Edelsohn  <edelsohn@gnu.org>
5945
5946         PR rtl-optimization/20306
5947         * expr.c (emit_move_complex): Set try_int false if mode is
5948         MODE_COMPLEX_FLOAT and mov_optab exists for inner mode.  Only try
5949         emit_block_move if try_int is true.
5950
5951 2005-03-11  Richard Henderson  <rth@redhat.com>
5952
5953         PR target/20415
5954         * config/i386/mmx.md (vec_dupv4hi): Fix predicate.
5955         * config/i386/i386.c (ix86_expand_vector_init_duplicate): Update
5956         to match.
5957
5958 2005-03-11  Richard Sandiford  <rsandifo@redhat.com>
5959
5960         * config/mips/mips.h (mips_fix_vr4130_string): Declare.
5961         (TARGET_FIX_VR4130): New macro.
5962         (TARGET_OPTIONS): Add -mfix-vr4130.
5963         (ISA_HAS_MACCHI): New macro.
5964         (ASM_SPEC): Add -mfix-vr4130.
5965         * config/mips/mips.c (mips_fix_vr4130_string): New variable.
5966         (override_options): Handle mips_fix_vr4130_string.
5967         (mips_avoid_hazards): Clear all_noreorder_p
5968         if we're working around VR4130 errata and the macc alternatives
5969         are not available.
5970         * config/mips/mips.md (mfhilo_<mode>): Turn into a define_expand.
5971         (*mfhilo_<mode>, *mfhilo_<mode>_macc): New insns.
5972         * config/mips/vr.h (DEFAULT_VR_ARCH): Set to mfix-vr4130.
5973         (MULTILIB_DEFAULTS): Remove leading "march=".
5974         (DRIVER_SELF_SPECS): Likewise.  Make -mfix-vr4130 imply -march=vr4130
5975         if no architecture option is given.
5976         * config/mips/t-vr (MULTILIB_OPTIONS): Use -mfix-vr4130 for the
5977         VR4130 multilibs.
5978         (MULTILIB_MATCHES): Map -march=vr4130 to the -mfix-vr4130 multilibs.
5979         * doc/invoke.texi: Document -mfix-vr4130.
5980
5981 2005-03-11  Richard Sandiford  <rsandifo@redhat.com>
5982
5983         * config/mips/mips.c (override_options): Only warn about -mint64
5984         deprecation if TARGET_INT64.
5985
5986 2005-03-11  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
5987
5988         * builtin-attrs.def (ATTR_NONNULL_LIST, ATTR_NOTHROW_NONNULL,
5989         ATTR_CONST_NOTHROW_NONNULL, ATTR_PURE_NOTHROW_NONNULL,
5990         ATTR_MALLOC_NOTHROW_NONNULL): New "nonnull" attribute lists which
5991         are non-specific regarding the nonnull parameter positions.
5992         (ATTR_NONNULL_1_2, ATTR_NONNULL_1_4, ATTR_NOTHROW_NONNULL_1_2,
5993         ATTR_NOTHROW_NONNULL_1_4, ATTR_CONST_NOTHROW_NONNULL_1,
5994         ATTR_PURE_NOTHROW_NONNULL_1, ATTR_PURE_NOTHROW_NONNULL_1_2,
5995         ATTR_MALLOC_NOTHROW_NONNULL_1): Delete.
5996
5997         * builtins.def: Use the non-specific "nonnull" attibute lists.
5998
5999 2005-03-11  Zdenek Dvorak  <dvorakz@suse.cz>
6000
6001         * basic-block.h (single_succ_p, single_pred_p, single_succ_edge,
6002         single_pred_edge, single_succ, single_pred): Improve comments.
6003
6004 2005-03-11  Zdenek Dvorak  <dvorakz@suse.cz>
6005
6006         * basic-block.h (single_succ_p, single_pred_p, single_succ_edge,
6007         single_pred_edge, single_succ, single_pred): New inline functions.
6008         * bb-reorder.c (rotate_loop, find_traces_1_round,
6009         add_labels_and_missing_jumps, fix_up_fall_thru_edges,
6010         duplicate_computed_gotos): Use the single_succ/pred functions.
6011         * cfganal.c (forwarder_block_p): Ditto.
6012         * cfgbuild.c (compute_outgoing_frequencies): Ditto.
6013         * cfgcleanup.c (try_simplify_condjump, try_forward_edges,
6014         outgoing_edges_match, try_crossjump_to_edge, try_optimize_cfg,
6015         merge_seq_blocks): Ditto.
6016         * cfghooks.c (split_edge, tidy_fallthru_edges): Ditto.
6017         * cfglayout.c (fixup_reorder_chain): Ditto.
6018         * cfgloop.c (mark_single_exit_loops, update_latch_info,
6019         canonicalize_loop_headers, verify_loop_structure): Ditto.
6020         * cfgloopmanip.c (remove_path, unloop, loop_delete_branch_edge,
6021         mfb_update_loops, create_preheader, force_single_succ_latches,
6022         create_loop_notes): Ditto.
6023         * cfgrtl.c (rtl_can_merge_blocks, try_redirect_by_replacing_jump,
6024         force_nonfallthru_and_redirect, rtl_tidy_fallthru_edge,
6025         commit_one_edge_insertion, purge_dead_edges,
6026         cfg_layout_can_merge_blocks_p): Ditto.
6027         * except.c (sjlj_emit_function_enter): Ditto.
6028         * flow.c (init_propagate_block_info): Ditto.
6029         * function.c (thread_prologue_and_epilogue_insns): Ditto.
6030         * gcse.c (find_implicit_sets, bypass_conditional_jumps,
6031         insert_insn_end_bb): Ditto.
6032         * ifcvt.c (merge_if_block, find_if_block, find_if_case_1,
6033         find_if_case_2): Ditto.
6034         * lambda-code.c (perfect_nestify): Ditto.
6035         * lcm.c (optimize_mode_switching): Ditto.
6036         * loop-doloop.c (doloop_modify): Ditto.
6037         * loop-init.c (loop_optimizer_init): Ditto.
6038         * loop-iv.c (simplify_using_initial_values): Ditto.
6039         * loop-unroll.c (unroll_loop_runtime_iterations): Ditto.
6040         * loop-unswitch.c (unswitch_loop): Ditto.
6041         * modulo-sched.c (generate_prolog_epilog): Ditto.
6042         * predict.c (combine_predictions_for_insn, estimate_probability,
6043         tree_estimate_probability, last_basic_block_p,
6044         estimate_bb_frequencies): Ditto.
6045         * profile.c (branch_prob): Ditto.
6046         * regrename.c (copyprop_hardreg_forward): Ditto.
6047         * sched-rgn.c (is_cfg_nonregular, find_rgns, update_live): Ditto.
6048         * tracer.c (layout_superblocks): Ditto.
6049         * tree-cfg.c (tree_can_merge_blocks_p, tree_merge_blocks,
6050         cfg_remove_useless_stmts_bb, cleanup_control_flow,
6051         cleanup_control_expr_graph, disband_implicit_edges,
6052         tree_find_edge_insert_loc, bsi_commit_edge_inserts,
6053         tree_verify_flow_info, tree_make_forwarder_block,
6054         tree_forwarder_block_p, remove_forwarder_block,
6055         remove_forwarder_block_with_phi, merge_phi_nodes): Ditto.
6056         * tree-if-conv.c (tree_if_conversion): Ditto.
6057         * tree-mudflap.c (mf_build_check_statement_for): Ditto.
6058         * tree-ssa-dce.c (remove_dead_stmt): Ditto.
6059         * tree-ssa-dom.c (dom_opt_finalize_block): Ditto.
6060         * tree-ssa-loop-ch.c (should_duplicate_loop_header_p,
6061         copy_loop_headers): Ditto.
6062         * tree-ssa-loop-im.c (loop_commit_inserts): Ditto.
6063         * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Ditto.
6064         * tree-ssa-loop-manip.c (split_loop_exit_edge, ip_normal_pos,
6065         lv_adjust_loop_entry_edge, tree_ssa_loop_version): Ditto.
6066         * tree-ssa-loop-niter.c (simplify_using_initial_conditions): Ditto.
6067         * tree-ssa-loop-unswitch.c (simplify_using_entry_checks): Ditto.
6068         * tree-ssa-phiopt.c (tree_ssa_phiopt, value_replacement): Ditto.
6069         * tree-ssa-pre.c (compute_antic_aux, insert_aux, init_pre): Ditto.
6070         * tree-ssa-threadupdate.c (redirect_edges): Ditto.
6071         * tree-tailcall.c (independent_of_stmt_p, find_tail_calls,
6072         eliminate_tail_call, tree_optimize_tail_calls_1): Ditto.
6073         * tree-vect-analyze.c (vect_analyze_loop_form): Ditto.
6074         * tree-vect-transform.c (vect_update_ivs_after_vectorizer): Ditto.
6075         * tree-vectorizer.c (slpeel_update_phi_nodes_for_guard,
6076         slpeel_add_loop_guard): Ditto.
6077
6078 2005-03-11  James A. Morrison  <phython@gcc.gnu.org>
6079
6080         PR tree-optimization/15784
6081         * fold-const.c (fold): Fold ~A + 1 to -A.  Fold -A - 1
6082         and -1 - A to ~A.
6083
6084         * stmt.c (expand_case): Don't change index_type.  Convert minval
6085         to the proper type.
6086
6087         PR tree-optimization/20130
6088         * fold-const.c (fold): Fold x * -1 into -x.
6089
6090 2005-03-11  Kaz Kojima  <kkojima@gcc.gnu.org>
6091
6092         PR rtl-optimization/20331
6093         * rtlanal.c (modified_between_p): Check its address first for MEM.
6094         (modified_in_p): Likewise.
6095
6096 2005-03-11  Joseph S. Myers  <joseph@codesourcery.com>
6097
6098         * config.gcc (hppa*64*-*-hpux11*): Use pa/t-hpux-shlib.
6099
6100 2005-03-10  Steven Bosscher  <stevenb@suse.de>
6101
6102         * expr.c (expand_expr_real_1): If possible, use a conditional
6103         move for expanding MIN_EXPR and MAX_EXPR.
6104         Use temp for moving around rtx-en.
6105
6106 2005-03-10  Andrew Pinski  <pinskia@physics.uc.edu>
6107
6108         PR rtl-opt/20412
6109         * simplify-rtx.c (simplify_relational_operation_1): Fix typo - check the
6110         correct mode.
6111
6112 2005-03-10  Roger Sayle  <roger@eyesopen.com>
6113
6114         * builtins.c (expand_builtin_signbit): Extend to handle floating
6115         point modes wider than the largest integer type, using the
6116         operand_subword_force function to obtain the signbit's word.
6117
6118 2005-03-10  Jakub Jelinek  <jakub@redhat.com>
6119
6120         PR target/20322
6121         * combine.c (try_combine): If recog_for_combine added CLOBBERs
6122         to NEWI2PAT, fail to combine if they are used by NEWPAT.
6123
6124 2005-03-10  Aldy Hernandez  <aldyh@redhat.com>
6125
6126         * doc/invoke.texi: Add 8540 to list of cpus in rs6000 cpu section.
6127
6128 2005-03-10  Kazu Hirata  <kazu@cs.umass.edu>
6129
6130         * tree-outof-ssa.c (analyze_edges_for_bb): Make the return
6131         type void.
6132         (perform_edge_inserts): Unconditionally call
6133         free_dominator_info.
6134
6135         * tree-outof-ssa.c (analyze_edges_for_bb): Update a comment.
6136
6137 2005-03-10  Bob Wilson  <bob.wilson@acm.org>
6138
6139         * config/xtensa/xtensa.h (MEMBER_TYPE_FORCES_BLK): Define.
6140
6141 2005-03-10  Nathan Sidwell  <nathan@codesourcery.com>
6142
6143         * bitmap.c (bitmap_copy): Remove manual loop unrolling.
6144
6145         * value-prof.c (rtl_find_values_to_profile): Use gcc_assert and
6146         gcc_unreachable.
6147         (rtl_register_value_prof_hooks,
6148         tree_value_profile_transformations,
6149         tree_register_value_prof_hooks): Likewise.
6150         * var-tracking.c (stack_adjust_offset_pre_post,
6151         variable_htab_free, variable_union, dataflow_set_different_2,
6152         count_uses, variable_was_changed, set_frame_base_location,
6153         set_variable_part, emit_note_insn_var_location, vt_emit_notes,
6154         vt_add_function_parameters): Likewise.
6155         * varasm.c (named_section_real, named_section, make_decl_rtl,
6156         asm_emit_uninitialised, assemble_integer, decode_addr_const,
6157         const_hash_1, compare_constant, copy_constant, force_const_mem,
6158         output_constant_pool_2, output_constant_pool_1, output_constant,
6159         output_constructor, make_decl_one_only, decl_tls_model,
6160         default_no_named_section, default_elf_select_section_1,
6161         default_unique_section_1): Likewise.
6162         * vec.c (vec_gc_o_reserve, vec_heap_o_reserve): Likewise.
6163         * vmsdbgout.c (addr_const_to_string): Likewise.
6164
6165         PR c++/20375
6166         * function.c (struct assign_parm_data_one): Remove last_named
6167         field.
6168         (assign_parm_find_data_types): Don't determine last_named.
6169         Reorder named_parm determination.
6170         (assign_parms): Only setup varargs on the last non-varadic
6171         parameter.
6172
6173 2005-03-10  Kazuhiro Inaoka  <inaoka.lazuhiro@renesas.com>
6174
6175         * config/m32r/m32r.md (load_sda_base_32): New pattern.  Loads
6176         sda base address on medium model.
6177
6178 2005-03-10  Zdenek Dvorak  <dvorakz@suse.cz>
6179
6180         * Makefile.in (tree-optimize.o): Add CFGLOOP_H dependence.
6181         * cfgloop.c (flow_loop_nodes_find): Export.
6182         * cfgloop.h (flow_loop_nodes_find, fix_loop_structure):
6183         Declare.
6184         * cfgloopmanip.c (fix_loop_structure): New function.
6185         * predict.c (predict_loops): Clean up the loops information.
6186         * tree-cfg.c (cleanup_tree_cfg_loop): New function.
6187         (tree_can_merge_blocks_p, remove_bb, tree_forwarder_block_p): Respect
6188         loop structure.
6189         * tree-flow.h (cleanup_tree_cfg_loop): Declare.
6190         (rewrite_into_loop_closed_ssa): Declaration changed.
6191         * tree-loop-linear.c (linear_transform_loops): Add argument to
6192         rewrite_into_loop_closed_ssa call.
6193         * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
6194         * tree-ssa-loop-im.c (move_computations): Ditto.
6195         * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
6196         * tree-vectorizer.c (vectorize_loops): Ditto.
6197         * tree-optimize.c: Include cfgloop.h.
6198         (execute_todo): Choose whether to call cleanup_tree_cfg or
6199         cleanup_tree_cfg_loop.
6200         * tree-ssa-loop-ivcanon.c (canonicalize_loop_induction_variables,
6201         (tree_unroll_loops_completely): Enable cleanup_tree_cfg_loop call.
6202         * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Enable
6203         cleanup_tree_cfg_loop call.
6204         * tree-ssa-loop-manip.c (find_uses_to_rename_bb): New function.
6205         (find_uses_to_rename, rewrite_into_loop_closed_ssa): Support
6206         work on part of cfg.
6207
6208 2005-03-10  Jakub Jelinek  <jakub@redhat.com>
6209
6210         PR inline-asm/20314
6211         * gimplify.c (gimplify_asm_expr): Handle input/output constraints
6212         with multiple alternatives.
6213
6214         * stmt.c (parse_output_constraint): Fix a typo.
6215
6216 2005-03-09  Bob Wilson  <bob.wilson@acm.org>
6217
6218         * config/xtensa/xtensa.h (TRAMPOLINE_TEMPLATE): Use "no-transform"
6219         assembly directive instead of deprecated "no-generics".
6220
6221 2005-03-09  Ulrich Weigand  <uweigand@de.ibm.com>
6222
6223         * config/s390/s390.c (s390_secondary_output_reload_class): Adapt check
6224         for non-offsettable memory references to cope with outstanding reload
6225         replacements.
6226         * config/s390/s390.md ("reload_outti"): Call find_replacement to
6227         avoid losing outstanding address reloads.
6228         ("reload_outdi", "reload_outdf"): Likewise.
6229
6230 2005-03-09  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6231
6232         * builtins.c (fold_builtin_cbrt, fold_builtin_pow): Rearrange
6233         code.  Add more cbrt transformations.
6234
6235 2005-03-09  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6236
6237         * fold-const.c (fold_unary_to_constant): Add FIX_ROUND_EXPR case.
6238
6239 2005-03-09  Kazu Hirata  <kazu@cs.umass.edu>
6240
6241         * fold-const.c (fold_unary, fold_binary, fold_ternary): Return
6242         NULL_TREE when a given tree is not simplified.
6243         (fold): Return the original tree when any of the functions
6244         mentioned above NULL_TREE.
6245
6246         * fold-const.c (fold_unary, fold_binary): Take decomposed
6247         arguments, code, type, op0, and op1 in case of fold_binary.
6248         (fold): Update calls to fold_unary and fold_binary.
6249
6250 2005-03-09  Roger Sayle  <roger@eyesopen.com>
6251
6252         * builtins.c (fold_builtin_unordered_cmp): Change prototype to take
6253         a fndecl and an arglist instead of a CALL_EXPR, exp.
6254
6255 2005-03-09  Kazu Hirata  <kazu@cs.umass.edu>
6256
6257         * cfglayout.c (fixup_reorder_chain): Remove old_bb.
6258
6259         * cfgrtl.c (cfg_layout_merge_blocks): Remove new_e.
6260
6261         * expr.c (expand_assignment): Remove orig_to_rtx.
6262
6263         * fold-const.c (int_const_binop): Remove no_overflow.
6264
6265         * ifcvt.c (noce_emit_move_insn): Remove inmode.
6266
6267         * loop-iv.c (get_biv_step_1): Remove lhs.
6268
6269         * loop-unroll.c (analyze_insns_in_loop): Remove preheader.
6270
6271         * real.c (real_nan): Remove neg.
6272
6273         * function.c (thread_prologue_and_epilogue_insns): Remove i
6274         and newinsn.
6275
6276         * tree-data-ref.c (array_base_name_differ_p): Remove ta and
6277         tb.
6278
6279         * tree-eh.c (tree_could_trap_p): Remove idx.
6280
6281         * tree-into-ssa.c (ann): Remove ann.
6282
6283         * tree-outof-ssa.c (num_nodes): Remove num_nodes.
6284
6285         * tree-sra.c (decide_block_copy): Remove inst_count.
6286
6287         * tree-ssa-alias.c (may_alias_p): Remove v_ann.
6288
6289         * tree-ssa-loop-im.c (lhs): Remove.
6290
6291         * cfgbuild.c (state, STATE, SET_STATE,
6292         BLOCK_USED_BY_TABLEJUMP, FULL_STATE): Move just before
6293         make_edges.
6294         (make_edges): Speed up by skipping blocks with BLOCK_ORIGINAL.
6295         (find_basic_blocks): Set the state of each basic block to
6296         BLOCK_NEW.
6297
6298 2005-03-08  Jeff Law  <law@redhat.com>
6299
6300         * tree-cfg.c (cleanup_control_flow): If removal of a computed
6301         goto results in the removal of edges in the CFG, then we need
6302         to recompute dominators.
6303
6304 2005-03-09  Ben Elliston  <bje@au.ibm.com>
6305
6306         * c-common.c (c_do_switch_warnings): Comment fix.
6307
6308 2005-03-08  Julian Brown  <julian@codesourcery.com>
6309
6310         * Patch from 2005-03-08 reverted for causing regressions and
6311         ppc-darwin bootstrap failure.
6312
6313 2005-03-08  Fariborz Jahanian <fjahanian@apple.com>
6314
6315         * config/rs6000/rs6000.c (invalid_arg_for_unprototyped_fn):
6316         Define the real function for ppc-darwin.
6317         * c-typeck.c (convert_arguments): Check for target-specific
6318         invalid argument call to unprototyped function.
6319         * target-def.h (TARGET_INVALID_ARG_FOR_UNPROTOTYPED_FN):
6320         New Macro.
6321         * target.h (invalid_arg_for_unprototyped_fn): New field
6322         in struct calls.
6323         * targhooks.c (hook_invalid_arg_for_unprototyped_fn): New
6324         default target hook.
6325         * targhooks.h (hook_invalid_arg_for_unprototyped_fn):
6326         Declare.
6327
6328 2005-03-08  Kazu Hirata  <kazu@cs.umass.edu>
6329
6330         * c-typeck.c (constructor_stack, constructor_range_stack,
6331         initializer_stack): Make them static.
6332
6333         * cfg.c (rbi_pool): Make it static.
6334
6335         * gimple-low.c (lower_stmt_body): Make it static.
6336         * tree-flow.h: Remove the corresponding prototype.  Don't
6337         declare lower_data.
6338
6339         * sched-deps.c (cache_size): Make it static.
6340
6341         * stor-layout.c (lang_adjust_rli): Make it static.
6342
6343 2005-03-08  Julian Brown  <julian@codesourcery.com>
6344
6345         * config/elfos.h (MAKE_DECL_ONE_ONLY): Redefined to stop DECL_WEAK
6346         from being used for symbols with vague linkage when
6347         HAVE_GAS_COMDAT_GROUP is true.
6348
6349 2005-03-08  J"orn Rennecke <joern.rennecke@st.com>
6350
6351         * jump.c (invert_jump_1): Don't call redirect_jump_1 with
6352         nlabel == JUMP_LABEL (jump).
6353
6354 2005-03-08  Kazu Hirata  <kazu@cs.umass.edu>
6355
6356         * c-common.c, c-opts.c, combine.c, cse.c, dojump.c,
6357         gimplify.c, tree-dfa.c, tree-ssa-loop-ivopts.c,
6358         tree-ssa-phiopt.c, tree-ssa-pre.c, tree-ssa-sink.c,
6359         tree-vect-analyze.c, tree.def, tree.h: Fix comment formatting.
6360
6361 2005-03-08  Alexey Neyman  <alex.neyman@auriga.ru>
6362
6363         PR c/14411
6364         * calls.c (flags_from_decl_or_type): Handle eturns_twice' attribute.
6365         * c-common.c (handle_returns_twice): New function.
6366         (c_common_attribute_table): Declare eturns_twice' attribute.
6367         * doc/extend.texi: Document eturns_twice' attribute.
6368         * tree.h (DECL_IS_RETURNS_TWICE): New macro.
6369         (struct tree_decl): Add returns_twice_flag.
6370
6371 2005-03-08  Kazu Hirata  <kazu@cs.umass.edu>
6372
6373         * tree-ssa-phiopt.c: Fix a comment typo.
6374
6375         * c-semantics.c, cfghooks.c, diagnostic.h, loop-iv.c,
6376         loop-unswitch.c, modulo-sched.c, stor-layout.c, tree-gimple.h,
6377         config/i386/cygwin1.c, doc/cfg.texi, doc/objc.texi: Update
6378         copyright.
6379
6380 2005-03-08  Richard Henderson  <rth@redhat.com>
6381
6382         * config/alpha/alpha.c (code_for_builtin): Replace special-case
6383         builtin codes with ctzdi2, clzdi2, popcountdi2.
6384         (struct alpha_builtin_def): Add is_const.
6385         (zero_arg_builtins, one_arg_builtins, two_arg_builtins): Init it.
6386         (alpha_v8qi_u, alpha_v8qi_s, alpha_v4hi_u, alpha_v4hi_s): New.
6387         (alpha_init_builtins): Init them.  Set nothrow and const attributes
6388         on builtins.
6389         (alpha_fold_builtin_cmpbge, alpha_fold_builtin_zapnot,
6390         alpha_fold_builtin_extxx, alpha_fold_builtin_insxx,
6391         alpha_fold_builtin_mskxx, alpha_fold_builtin_umulh,
6392         alpha_fold_vector_minmax, alpha_fold_builtin_perr,
6393         alpha_fold_builtin_pklb, alpha_fold_builtin_pkwb,
6394         alpha_fold_builtin_unpkbl, alpha_fold_builtin_unpkbw,
6395         alpha_fold_builtin_cttz, alpha_fold_builtin_ctlz,
6396         alpha_fold_builtin_ctpop, alpha_fold_builtin): New.
6397         (TARGET_FOLD_BUILTIN): New.
6398         * config/alpha/alpha.md (UNSPEC_CTTZ): Remove.
6399         (UNSPEC_CTLZ, UNSPEC_CTPOP): Remove.
6400         (ffsdi2): Use ctz.
6401         (cttz, builtin_cttz, builtin_ctlz, builtin_ctpop): Remove.
6402
6403 2005-03-08  Ira Rosen  <irar@il.ibm.com>
6404
6405         PR tree-optimization/20122
6406         * tree-vect-analyze.c (vect_object_analysis): Analyze initial
6407         condition of access function instead of base.
6408
6409 2005-03-07  Jeff Law  <law@redhat.com>
6410             Steven Bosscher  <stevenb@suse.de>
6411
6412         * tree-cfg.c (find_taken_edge_computed_goto): New function.
6413         (find_taken_edge): Call find_taken_edge_computed_goto as
6414         appropriate.  Allow any gimple invariant rather than just
6415         INTEGER_CST for VAL.
6416         (cleanup_control_flow): Cleanup a computed goto which has turned
6417         into a simple goto.
6418         (tree_merge_blocks): If block B has any forced labels, move
6419         them to the start of block A.
6420         * tree-ssa-dom.c (thread_across_edge): Allow threading across
6421         computed gotos as well.
6422         * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Handle
6423         removal of unnecessary computed gotos too.
6424         (lookup_redirection_data): Fix type of INSERT argument.  Callers
6425         updated.
6426
6427 2005-03-08  Kazu Hirata  <kazu@cs.umass.edu>
6428
6429         * tree-ssa-phiopt.c: Update copyright.  Fix indentations.
6430         Remove trailing spaces.
6431
6432         * gimplify.c (gimple_push_bind_expr, gimple_pop_bind_expr,
6433         unshare_all_trees): Make them static.
6434         * tree-gimple.h: Remove the corresponding prototypes.
6435
6436         * diagnostic.h: Remove unused prototype
6437         debug_output_buffer.
6438         * modulo-sched.c: Remove unused prototype
6439         set_row_column_for_ps.
6440
6441         * tree-ssa-phiopt.c (tree_ssa_phiopt,
6442         replace_phi_edge_with_variable): Remove unused variable i.
6443
6444 2005-03-07  Per Bothner  <per@bothner.com>
6445
6446         * tree.h (DECL_IS_BUILTIN): Reverted my patch from earlier today.
6447
6448 2005-03-06  Andrew Pinski  <pinskia@physics.uc.edu>
6449
6450         PR tree-opt/17671
6451         * tree-ssa-phiopt.c (tree_ssa_phiopt): Rewrite so we base the
6452         bbs on the COND_EXPR instead of the PHI_NODEs.
6453         (candidate_bb_for_phi_optimization): Remove.
6454         (replace_phi_with_stmt): Rename to ...
6455         (replace_phi_edge_with_variable): this and change so that we
6456         replace the phi argument instead of removing the PHI.
6457         (conditional_replacement): Change so we deal with PHI with more
6458         than two arguments.
6459         (value_replacement): Likewise.
6460         (abs_replacement): Likewise.
6461
6462 2005-03-07  Aldy Hernandez  <aldyh@redhat.com>
6463
6464         * config/rs6000/rs6000-protos.h: Rename output_e500_flip_eq_bit to
6465         output_e500_flip_gt_bit.
6466
6467         * config/rs6000/rs6000.c (print_operand): case D: Print out bit 31
6468         as bit 31.
6469         (rs6000_generate_compare): Fix logic to look at the correct bits.
6470         (output_e500_flip_eq_bit): Rename to output_e500_flip_gt_bit.
6471         Look at GT bit.
6472         (rs6000_emit_sCOND): Rename gen_e500_flip_eq_bit to
6473         gen_e500_flip_gt_bit.  Rename gen_move_from_CR_eq_bit to
6474         gen_move_from_CR_gt_bit.
6475
6476         * config/rs6000/rs6000.md ("move_from_CR_eq_bit"): Change bit
6477         ("move_from_CR_eq_bit"): Rename to move_from_CR_gt_bit.
6478         (UNSPEC_MV_CR_EQ): Rename to UNSPEC_MV_CR_GT.
6479
6480         * config/rs6000/spe.md ("e500_cr_ior_compare"): New.
6481         (E500_CR_IOR_COMPARE): New constant.
6482
6483 2005-03-08  Earl Chew <earl_chew@agilent.com>
6484             David Billinghurst <David.Billinghurst@riotinto.com>
6485
6486         * config/i386/host-cygwin.c: New file to support precompiled
6487         headers on cygwin
6488         * config/i386/x-cygwin: Use host-cygwin.c on cygwin host
6489         * config.host: Use above files for cygwin host.
6490
6491 2005-03-07  David Edelsohn  <edelsohn@gnu.org>
6492
6493         * fold-const.c (fold_binary_op_with_conditional_arg): Fix typo
6494         ordering ops from earlier change.
6495
6496 2005-03-07  Per Bothner  <per@bothner.com>
6497
6498         Various fixes to allow us to again build if --enable-mapped-location:
6499         * c-decl.c (finish_function): Use SET_EXPR_LOCATION instead of
6500         unavailable annotate_with_file_line, if USE_MAPPED_LOCATION.
6501         * tree-cfg.c (remove_bb): If USE_MAPPED_LOCATION, change type of
6502         local variable loc. Change logic appropriately.
6503         * tree-vect-transform.c (vect_finish_stmt_generation): Use
6504         EXPR_LOCATION rather than EXPR_LOCUS if USE_MAPPED_LOCATION.
6505         * c-parser.c (c_parser_for_statement): Initialize loc variable.
6506         * tree.h (DECL_IS_BUILTIN): Temporarily revert definition of
6507         DECL_IS_BUILTIN in the USE_MAPPED_LOCATION because of jc1 issues.
6508
6509 2005-03-07  Richard Sandiford  <rsandifo@redhat.com>
6510
6511         PR rtl-optimization/19683
6512         * reload1.c (choose_reload_regs): Pass the number of bits, not the
6513         number of bytes, to smallest_int_for_mode.  Fix arguments to
6514         REG_CANNOT_CHANGE_MODE_P.
6515
6516 2005-03-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
6517
6518         * reorg.c (relax_delay_slots): Check that the jump is
6519         conditional before trying to invert it.
6520
6521 2005-03-07  Kazu Hirata  <kazu@cs.umass.edu>
6522
6523         * bb-reorder.c (max_entry_frequency, max_entry_frequency):
6524         Make them static.
6525
6526         * calls (stack_arg_under_construction): Make it static.
6527
6528         * flow.c (regs_live_at_setjmp): Make it static.
6529         * flow.h: Remove the corresponding prototype.
6530
6531         * reload1.c (reload_startobj, reload_firstobj,
6532         something_needs_operands_changed, reload_inherited,
6533         reload_inheritance_insn, reload_override_in,
6534         reload_spill_index): Make them static.
6535
6536         * recog.c (verify_changes): Make it static.
6537         * recog.h: Remove the corresponding prototype.
6538
6539         * cfgbuild.c (find_sub_basic_blocks): Remove.
6540         * basic-block.h: Remove the corresponding prototype.
6541         * cfgexpand.c, cfgrtl.c: Don't mention find_sub_basic_blocks
6542         in comments.
6543         * doc/cfg.texi: Don't mention find_sub_basic_blocks.
6544
6545         * tree-ssa-operands.c (check_build_stmt): Remove.
6546
6547         * stor-layout.c (set_alignment): Remove.
6548         * tree.h: Remove the corresponding prototype.
6549
6550         * tree-ssa-pre.c (has_abnormal_preds): Make it static.
6551
6552         * tree-ssa-dce.c (control_dependence_map,
6553         visited_control_parents): Make them static.
6554
6555         * cfghooks.c (verify_flow_info): Remove local variable
6556         num_bb_notes.
6557
6558         * cfgrtl.c (rtl_verify_flow_info_1): Remove local variable
6559         last_bb_seen.
6560
6561         * loop-unswitch.c (unswitch_loop): Remove local variable src.
6562
6563 2005-03-07  David Billinghurst <David.Billinghurst@riotinto.com>
6564
6565         * config/i386/cygwin1.c(mingw_scan): Use xstrdup in calls to putenv.
6566
6567 2005-03-07  Joseph S. Myers  <joseph@codesourcery.com>
6568
6569         * config/ia64/hpux.h (LINK_SPEC): Add -z.
6570         * config/ia64/ia64.c (ia64_function_value): Return a REG not a
6571         PARALLEL for an empty structure.
6572
6573 2005-03-07  Kazu Hirata  <kazu@cs.umass.edu>
6574
6575         * fold-const.c (fold_binary): Remove handling of RANGE_EXPR.
6576
6577         * fold-const.c (fold_binary): Unroll the very first "for"
6578         loop.
6579
6580 2005-03-06  David Edelsohn  <edelsohn@gnu.org>
6581
6582         * config/rs6000/predicates.md (branch_comparison_operator): Remove
6583         redundant match_code test.
6584         (scc_comparison_operator): Swap match_operand and match_code
6585         tests.
6586         (branch_positive_comparison_operator): Same.
6587         (trap_comparison_operator): Use comparison_operator and swap with
6588         match_code test.
6589
6590 2005-03-06  Marek Michalkiewicz  <marekm@amelek.gda.pl>
6591
6592         PR target/20288
6593         * config/avr/avr.c (print_operand): Add 'p' and 'r'.
6594         (out_movhi_r_mr): Read low byte of volatile MEM first.
6595         (out_movhi_mr_r): Write high byte of volatile MEM first.
6596
6597 2005-03-05  Kazu Hirata  <kazu@cs.umass.edu>
6598
6599         * cselib.c (reg_values, reg_values_size): Make them static.
6600
6601         * cse.c (cse_reg_info_table): Make it static.
6602
6603         * fold-const.c (fold_unary): Use build1 instead of copy_node.
6604
6605 2005-03-06  Zdenek Dvorak  <dvorakz@suse.cz>
6606
6607         * cse.c (find_best_addr): Use canon_for_address.
6608
6609 2005-03-06  Kazu Hirata  <kazu@cs.umass.edu>
6610
6611         * cse.c (fold_rtx_subreg, fold_rtx_mem): New.
6612         (fold_rtx): Call fold_rtx_subreg and fold_rtx_mem to handle
6613         SUBREG and MEM, respectively.
6614
6615         * fold-const.c (fold_binary): Use code instead of t.
6616
6617         * fold-const.c (optimize_minmax_comparison): Take decomposed
6618         arguments code, type, op0, and op1 instead of t.
6619         (fold_binary): Update a call to optimize_minmax_comparison.
6620
6621         * fold-const.c (fold_range_test): Take decomposed arguments
6622         code, type, op0, and op1 instead of t.
6623         (fold_binary): Update a call to fold_range_test.
6624
6625         * fold-const.c (fold_binary_op_with_conditional_arg): Take
6626         decomposed arguments code, type, op0, and op1 instead of t.
6627         (fold_binary): Update a call to fold_range_test.
6628
6629 2005-03-06  Kazu Hirata  <kazu@cs.umass.edu>
6630
6631         * fold-const.c (fold_binary): Avoid directly using the original
6632         expression t as much as possible.
6633
6634 2005-03-05  Kazu Hirata  <kazu@cs.umass.edu>
6635
6636         * c-semantics.c (build_stmt): Use TYPE_P instead of
6637         IS_NON_TYPE_CODE_CLASS.
6638         * tree.h (IS_NON_TYPE_CODE_CLASS): Remove.
6639         (NON_TYPE_CHECK): Use TYPE_P instead of
6640         IS_NON_TYPE_CODE_CLASS.
6641
6642         * fold-const.c (fold): Remove handling of binary expressions.
6643
6644 2005-03-05  James A. Morrison  <phython@gcc.gnu.org>
6645
6646         * doc/c-tree.texi: Wrap comments in @r{}.
6647         * doc/cpp.texi: Likewise.
6648         * doc/cppinternals.texi: Likewise.
6649         * doc/extend.texi: Likewise.
6650         * doc/md.texi: Likewise.
6651         * doc/objc.texi: Likewise.
6652         * doc/sourcebuild.texi: Likewise.
6653         * doc/tm.texi: Likewise.
6654         * doc/tree-ssa.texi
6655
6656 2005-03-05  Kazu Hirata  <kazu@cs.umass.edu>
6657
6658         * predict.c (apply_return_prediction): Standardize PHI chain
6659         walking.
6660         * tree-ssa.c (ssa_redirect_edge): Likewise.
6661
6662         * genattrtab.c, genemit.c, genoutput.c, genrecog.c,
6663         gensupport.c, jump.c, tree-phinodes.c, unwind-dw2-fde-glibc.c:
6664         Update copyright.
6665
6666         * tree-phinodes.c (remove_phi_node): Drop the last argument.
6667         * tree-flow.h: Adjust the prototype for remove_phi_node.
6668         * lambda-code.c (perfect_nestify): Adjust a call to
6669         remove_phi_node.
6670         * tree-cfg.c
6671         (remove_phi_nodes_and_edges_for_unreachable_block): Likewise.
6672         * tree-outof-ssa.c (eliminate_virtual_phis, remove_ssa_form):
6673         Likewise.
6674         * tree-ssa-dce.c (remove_dead_phis): Likewise.
6675         * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
6676         * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
6677         * tree-ssa.c (kill_redundant_phi_nodes): Likewise.
6678
6679         * combine.c (simplify_and_const_int): Use gen_int_mode instead
6680         of GEN_INT (trunc_int_for_mode (...)).
6681         * loop-iv.c (iv_number_of_iterations): Likewise.
6682         * postreload.c (reload_cse_move2add): Likewise.
6683         * simplify-rtx.c (simplify_const_unary_operation,
6684         simplify_const_binary_operation): Likewise.
6685         * stor-layout.c (get_mode_bounds): Likewise.
6686
6687         * fold-const.c (fold_binary): New.
6688         (fold): Call fold_binary on binary expressions.
6689
6690 2005-03-05  Richard Sandiford  <rsandifo@redhat.com>
6691
6692         * doc/invoke.texi: Document new MIPS -msym32 and -mno-sym32 options.
6693         * config/mips/mips.h (MASK_SYM32, TARGET_SYM32): New macros.
6694         (TARGET_SWITCHES): Add -msym32 and -mno-sym32.
6695         (ABI_HAS_64BIT_SYMBOLS): Set to false if TARGET_SYM32.
6696         (ASM_SPEC): Pass down -msym32 and -mno-sym32.
6697
6698 2005-03-04  Devang Patel  <dpatel@apple.com>
6699
6700         PR tree-optimization/18815
6701         * tree-if-conv.c (combine_blocks): Adjust loop header edges for
6702         loops with zero exit edges.
6703
6704 2005-03-04  Devang Patel  <dpatel@apple.com>
6705
6706         * doc/invoke.texi: Remove reference to webpage that does not exist.
6707
6708 2005-03-04  John David Anglin  <dave.danglin@nrc-cnrc.gc.ca>
6709             Joseph S. Myers  <joseph@codesourcery.com>
6710
6711         PR c++/19797
6712         * pa/elf.h, pa64-hpux.h, som.h (ASM_OUTPUT_EXTERNAL_REAL): Define.
6713         (ASM_OUTPUT_EXTERNAL): Call pa_hpux_asm_output_external.
6714         * pa-protos.h (pa_hpux_asm_output_external): Add prototype.
6715         * pa.c (get_plabel): Change argument to symbol_ref.  Call
6716         maybe_get_identifier instead of get_identifier.
6717         (pa_hpux_asm_output_external, pa_hpux_file_end): New functions.
6718         (struct deferred_plabel): Replace name field with symbol field.
6719         (TARGET_ASM_FILE_END): Define as pa_hpux_file_end if
6720         ASM_OUTPUT_EXTERNAL_REAL is defined.
6721         (output_global_address): Use output_addr_const for output of all
6722         symbol_refs.
6723         (output_deferred_plabels): Use symbol_ref instead of name for address
6724         output.
6725         * pa.h (SYMBOL_FLAG_REFERENCED, SYMBOL_REF_REFERENCED_P,
6726         ASM_OUTPUT_SYMBOL_REF): New macros.
6727         * som.h (ASM_OUTPUT_EXTERNAL_LIBCALL): Use assemble_name_raw.  Update
6728         comment.
6729         (ASM_WEAKEN_LABEL): Use targetm.asm_out.globalize_label to globalize
6730         label.
6731
6732 2005-03-05  Joseph S. Myers  <joseph@codesourcery.com>
6733
6734         * config.gcc (hppa*64*-*-hpux11*): Use pa/pa-hpux1111.h for
6735         *-*-hpux11.[1-9]*, not just for *-*-hpux11.11.
6736
6737 2005-03-04  Jeff Law  <law@redhat.com>
6738
6739         * basic-block.h (rediscover_loops_after_threading): Declare.
6740         * tree-ssa-dom.c: Include cfgloop.h.
6741         (tree_ssa_dominator_optimize): Discover loops and some basic
6742         properties.  Remove forwarder blocks recreated by loop header
6743         canonicalization.  Also mark backedges in the CFG.
6744         * tree-ssa-threadupdate.c: Include cfgloop.h
6745         (rediscover_loops_after_threading): Define.
6746         (struct local_info): New field, JUMP_THREADED.
6747         (prune_undesirable_thread_requests): New function.
6748         (redirect_edges): Clear EDGE_ABNORMAL.  If edges were threaded
6749         then record that fact for the callers of redirct_edges.
6750         (thread_block): If BB has incoming backedges, then call
6751         prune_undesirable_thraed_requests.    Note when we are
6752         going to have to rediscover loop information.  Return a
6753         boolean indicating if any jumps were threaded.
6754         (thread_through_all_blocks): Bubble up boolean indicating
6755         if any jumps were threaded.
6756         * Makefile.in (tree-ssa-dom.o): Depend on cfgloop.h
6757         (tree-ssa-threadupdate.o): Similarly.
6758
6759 2005-03-04  Kazu Hirata  <kazu@cs.umass.edu>
6760
6761         * fold-const.c (fold_ternary): Unroll the "for" loop to
6762         extract operands.
6763
6764 2005-03-04  Andrew Haley  <aph@redhat.com>
6765
6766         * unwind-dw2-fde-glibc.c (struct
6767         unw_eh_callback_data.check_cache): New field.
6768         (frame_hdr_cache): New.
6769         (_Unwind_IteratePhdrCallback): Add ext_dl_phdr_info.
6770         Cache frame header info.
6771
6772 2005-03-04  Richard Sandiford  <rsandifo@redhat.com>
6773
6774         * rtl.h (copy_rtx_ptr_loc, print_rtx_ptr_loc, join_c_conditions)
6775         (print_c_condition): Declare.
6776         * read-rtl.c (ptr_loc): New structure.
6777         (ptr_locs, ptr_loc_obstack, joined_conditions)
6778         (joined_conditions_obstack): New variables.
6779         (leading_ptr_hash, leading_ptr_eq_p, set_rtx_ptr_loc)
6780         (get_rtx_ptr_loc, copy_rtx_ptr_loc, print_rtx_ptr_loc)
6781         (join_c_conditions, print_c_condition): New functions.
6782         (apply_macro_to_string): Associate the new string with the same
6783         source location as the old one.
6784         (add_condition_to_string): Use join_c_conditions.
6785         (read_string): Use set_rtx_ptr_loc to record a filename and line
6786         number for the string.
6787         (read_rtx): Initialize the new variables above.
6788         * genattrtab.c (write_test_expr, write_attr_value): Use
6789         print_c_condition.
6790         * genconditions.c (write_header): Don't define MAYBE_EVAL.  Move its
6791         comment above the GCC_VERSION check.
6792         (write_one_condition): Use print_rtx_ptr_loc and print_c_condition.
6793         Inline the definition of MAYBE_EVAL.
6794         * genemit.c (gen_expand, gen_split): Use print_rtx_ptr_loc.
6795         * genoutput.c (process_template): Likewise.
6796         * genpreds.c (write_predicate_subfunction): Likewise.
6797         (write_predicate_expr): Use print_c_condition.
6798         * genrecog.c (write_cond): Likewise.
6799         * gensupport.c (process_rtx): Use join_c_conditions to join the
6800         conditions of a define_insn_and_split.  Record a source location
6801         for the string after the "&&".
6802         (alter_test_for_insn): Use join_c_conditions.
6803
6804 2005-03-04  Andrew Pinski  <pinskia@physics.uc.edu>
6805
6806         Revert for now:
6807         2005-03-03  James A. Morrison  <phython@gcc.gnu.org>
6808         PR tree-optimization/15784
6809         * fold-const.c (fold): Fold ~A + 1 to -A.  Fold -A - 1
6810         and -1 - A to ~A.
6811
6812 2005-03-04  Ben Elliston  <bje@au.ibm.com>
6813
6814         * gcc.c (option_map): Add --coverage.
6815         (LINK_COMMAND_SPEC): Pass -lgcov for `coverage'.
6816         (cc1_options): Pass -fprofile-arcs -ftest-coverage for `coverage'.
6817         * config/darwin.h: Pass -lgcov for `coverage'.
6818         * doc/invoke.texi (Debugging Options): Document --coverage.
6819
6820 2005-03-04  Kazu Hirata  <kazu@cs.umass.edu>
6821
6822         * gcse.c (bypass_block): Use find_edge wherever possible.
6823
6824 2005-03-03  Daniel Berlin <dberlin@dbrelin.org>
6825
6826         Fix PR debug/20253
6827
6828         * c-opts.c (c_common_parse_file): Call start_source_file
6829         and end_source_file at the approriate times.
6830
6831         * dwarf2out.c (dwarf2out_finish): Don't auto-end
6832         the main file, it will be done for us now.
6833
6834 2005-03-04  Kazu Hirata  <kazu@cs.umass.edu>
6835
6836         * fold-const.c (fold_ternary): New.
6837         (fold): Call fold_ternary on ternary expressions.  Remove
6838         handling of ternary expressions.
6839
6840 2005-03-03  James A. Morrison  <phython@gcc.gnu.org>
6841
6842         PR tree-optimization/15784
6843         * fold-const.c (fold): Fold ~A + 1 to -A.  Fold -A - 1
6844         and -1 - A to ~A.
6845
6846 2005-03-03  David Edelsohn  <edelsohn@gnu.org>
6847
6848         * config/rs6000/predicates.md (branch_comparison_operator):
6849         Convert from C block to conditional format.
6850
6851 2005-03-03  Jan Hubicka  <jh@suse.cz>
6852
6853         * tree-dfa.c (add_referenced_var): Don't walk initializer of external
6854         and non-constant public variables.
6855
6856 2005-03-03  Kazu Hirata  <kazu@cs.umass.edu>
6857
6858         * tree-cfg.c (stmt_starts_bb_p): Clean up by replacing code
6859         with LABEL_EXPR.
6860
6861         * cfgexpand.c (construct_exit_block): Use EDGE_PRED instead of
6862         EDGE_I.
6863
6864         * tree-phinodes.c (remove_phi_node): Clean up by factoring out
6865         calls to release_ssa_name and release_phi_node.
6866
6867         * fold-const.c (fold): Remove handling of unary expressions.
6868
6869         * fold-const.c (fold_unary): Avoid directly using the original
6870         expression t as much as possible.
6871
6872 2005-03-03  Roger Sayle  <roger@eyesopen.com>
6873             Andrew Pinski  <pinskia@physics.uc.edu>
6874
6875         * jump.c (redirect_exp_1): If nlabel is a NULL pointer create a
6876         RETURN rtx, and not a LABEL_REF containing a NULL pointer.
6877
6878 2005-03-03  Hans-Peter Nilsson  <hp@axis.com>
6879
6880         Describe special registers SRP and MOF as allocatable registers.
6881         * config/cris/cris.c (cris_md_asm_clobbers): New function.
6882         (TARGET_MD_ASM_CLOBBERS): Define to cris_md_asm_clobbers.
6883         (cris_conditional_register_usage): Enable CRIS_MOF_REGNUM if
6884         TARGET_HAS_MUL_INSNS.
6885         (cris_print_operand) <case 'd'>: New case.
6886         <case REG>: Allow CRIS_MOF_REGNUM and CRIS_SRP_REGNUM.
6887         * config/cris/cris.h (CRIS_PC_REGNUM, CRIS_SRP_REGNUM): Don't
6888         define.
6889         (FIRST_PSEUDO_REGISTER, FIXED_REGISTERS, CALL_USED_REGISTERS)
6890         (REG_ALLOC_ORDER): Update for MOF.
6891         (enum reg_class): New members MOF_REGS, GENERAL_REGS and
6892         SPECIAL_REGS.
6893         (GENERAL_REGS): No longer a define of ALL_REGS.
6894         (REGNO_REG_CLASS, REG_CLASS_CONTENTS, REG_CLASS_NAMES)
6895         (PREFERRED_RELOAD_CLASS, REGISTER_NAMES, DBX_REGISTER_NUMBER):
6896         Adjust accordingly.
6897         (CRIS_SPECIAL_REGS_CONTENTS): New macro.
6898         (REG_CLASS_FROM_LETTER): Allocate 'h' and 'x'.
6899         (SECONDARY_RELOAD_CLASS): Define.
6900         (STACK_POINTER_REGNUM): Define as CRIS_SP_REGNUM.
6901         (FRAME_POINTER_REGNUM): Define as CRIS_FP_REGNUM.
6902         (ARG_POINTER_REGNUM): Define as CRIS_AP_REGNUM.
6903         (STATIC_CHAIN_REGNUM): Define as CRIS_STATIC_CHAIN_REGNUM.
6904         (REGISTER_MOVE_COST): Define.
6905         (PIC_OFFSET_TABLE_REGNUM): Define in terms of CRIS_GOT_REGNUM.
6906         * config/cris/cris.md (CRIS_GOT_REGNUM, CRIS_STATIC_CHAIN_REGNUM)
6907         (CRIS_FP_REGNUM, CRIS_SP_REGNUM, CRIS_SRP_REGNUM, CRIS_AP_REGNUM)
6908         (CRIS_MOF_REGNUM): New define_constants.
6909         ("*movsi_internal", "movhi", "movqi", "movsf"): Add alternatives for
6910         special registers.
6911         ("reload_inhi", "reload_outhi", "reload_inqi", "reload_outqi"):
6912         New patterns.
6913         ("umulhisi3", "umulqihi3", "mulsi3", "mulqihi3", "mulhisi3")
6914         ("mulsidi3", "umulsidi3", "smulsi3_highpart", "umulsi3_highpart"):
6915         Adjust for MOF being properly described as a register.
6916         (indir_to_reg_split): Name this split.  Conditionalize on the
6917         destination register being a general register.
6918         (movei): Conditionalize on on operands 0 and 1 having the same
6919         register class.
6920
6921 2005-03-03  Alan Modra  <amodra@bigpond.net.au>
6922
6923         PR target/20277
6924         * config/rs6000/rs6000.c (rs6000_override_options): Don't allow
6925         -mcpu to override any other explicitly given flags.
6926
6927 2005-03-02  J"orn Rennecke <joern.rennecke@st.com>
6928
6929         * recog.c (verify_changes, confirm_change_group): New functions,
6930         broken out of apply_change_group.
6931         (apply_change_group): Use them.
6932         * recog.h (verify_change, confirm_change_group): Declare.
6933         * rtl.h (redirect_jump_2): Declare.
6934         * jump.c (redirect_exp, invert_exp): Delete.
6935         (invert_exp_1): Take second parameter.  Return value.  Changed caller.
6936         (redirect_jump_2): New function, broken out of redirect_jump.
6937         (redirect_jump): Use redirect_jump_1 and redirect_jump_2.
6938         (invert_jump): Use invert_jump_1 and redirect_jump_2.
6939         * ifcvt.c (dead_or_predicable): Use redirect_jump_2.
6940
6941 2005-03-02  Geoffrey Keating  <geoffk@apple.com>
6942
6943         * varasm.c (named_section): Use xstrdup rather than doing it by
6944         hand.
6945
6946         * config/darwin8.h (LIB_SPEC): Switch -lmx and -lSystem.
6947
6948 2005-03-02  Devang Patel  <dpatel@apple.com>
6949
6950         Undo PR tree-optimization/18815 fix.
6951
6952 2005-03-02  Devang Patel  <dpatel@apple.com>
6953
6954         PR tree-optimization/18815
6955         * tree-if-conv.c (combine_blocks): Adjust loop header edges for
6956         loops with zero exit edges.
6957
6958 2005-03-02  Kazu Hirata  <kazu@cs.umass.edu>
6959
6960         * cfg.c (connect_src, connect_dest, disconnect_src,
6961         disconnct_dest): New.
6962         (unchecked_make_edge, remove_edge, redirect_edge_succ,
6963         redirect_edge_pred): Use the new functions.
6964
6965         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Call
6966         free_dominance_info only when needed.
6967
6968 2005-03-02  David Edelsohn  <edelsohn@gnu.org>
6969
6970         PR target/20276
6971         * config/rs6000/predicates.md (reg_or_cint64_operand): Fix typo.
6972         (reg_or_sub_cint64_operand): Same.
6973
6974 2005-03-02  Jeff Law  <law@redhat.com>
6975
6976         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Fix setting of
6977         CFG_ALTERED in the main DOM iteration loop.
6978
6979 2005-03-02  Mark Mitchell  <mark@codesourcery.com>
6980
6981         PR c++/19916
6982         * varasm.c (initializer_constant_valid_p): Allow conversions
6983         between OFFSET_TYPEs.  Tidy.
6984
6985 2005-03-02  Hans-Peter Nilsson  <hp@axis.com>
6986
6987         * config/cris/cris.md ("return"): Remove epilogue delay list
6988         sanity check.
6989
6990 2005-03-02  Daniel Jacobowitz  <dan@codesourcery.com>
6991
6992         * config/arm/linux-elf.h (ARM_FUNCTION_PROFILER): Do not use (PLT)
6993         for Thumb.
6994         * config/arm/netbsd-elf.h (ARM_FUNCTION_PROFILER): Likewise.
6995
6996 2005-03-02  Kazu Hirata  <kazu@cs.umass.edu>
6997
6998         * cfgloop.h, cfgloopanal.c, cfgloopmanip.c, conflict.c,
6999         loop-init.c, loop-unroll.c, print-tree.c, reg-notes.def,
7000         config/m68k/m68k.c, config/mips/mips.h,
7001         config/rs6000/rs6000-protos.h, doc/contrib.texi,
7002         doc/include/gcc-common.texi: Update copyright.
7003
7004         PR middle-end/18029 and PR middle-end/18030
7005         * expr.c (optimize_bitfield_assignment_op): Add a special case
7006         to handle BIT_IOR_EXPR and BIT_XOR_EXPR.
7007
7008         * fold-const.c (fold_unary): New.
7009         (fold): Call fold_unary on unary expressions.
7010
7011 2005-03-02  Richard Guenther  <rguenth@gcc.gnu.org>
7012
7013         * cgraph.h (struct cgraph_edge): Add prev_caller and
7014         prev_callee fields.
7015         (cgraph_node_remove_callees): Export.
7016         * cgraph.c (cgraph_create_edge): Initialize prev_caller
7017         and prev_callee.
7018         (cgraph_edge_remove_callee): New function.
7019         (cgraph_edge_remove_caller): Likewise.
7020         (cgraph_remove_edge): Use.
7021         (cgraph_redirect_edge_callee): Likewise.
7022         (cgraph_node_remove_callees): New function.
7023         (cgraph_node_remove_callers): Likewise.
7024         (cgraph_remove_node): Use.
7025         * tree-optimize.c (tree_rest_of_compilation): Use
7026         cgraph_node_remove_callees instead of manual loop.
7027         * cgraphunit.c (cgraph_finalize_function): Likewise.
7028         (cgraph_expand_function): Likewise.
7029         (cgraph_remove_unreachable_nodes): Likewise.
7030
7031 2005-03-02  Joseph S. Myers  <joseph@codesourcery.com>
7032
7033         PR c/8927
7034         * c-tree.h (undeclared_variable, build_external_ref): Add extra
7035         argument.
7036         * c-decl.c (undeclared_variable): Take location as argument.
7037         * c-typeck.c (build_external_ref): Likewise.
7038         * c-parser.c (c_parser_postfix_expression): Pass location of
7039         identifier to build_external_ref.
7040
7041 2005-03-01  David Edelsohn  <edelsohn@gnu.org>
7042
7043         * config/rs6000/rs6000.md (cceq splitter): Use operand mode, not
7044         CCEQ mode for branch_positive_comparison_operator test.
7045         * config/rs6000/predicates (branch_comparison_operator): Revert to
7046         define_predicate.
7047         (scc_comparison_operator): Same.
7048         (branch_positive_comparison_operator): Same.
7049
7050 2005-03-01  Hans-Peter Nilsson  <hp@axis.com>
7051
7052         * config/cris/cris.c (cris_eligible_for_epilogue_delay)
7053         (cris_delay_slots_for_epilogue): Remove.
7054         (save_last): Move into cris_target_asm_function_epilogue.
7055         (cris_target_asm_function_epilogue): Remove tests for file being
7056         NULL.
7057         * config/cris/cris-protos.h (cris_eligible_for_epilogue_delay)
7058         (cris_delay_slots_for_epilogue): Remove prototypes.
7059         * config/cris/cris.h (DELAY_SLOTS_FOR_EPILOGUE)
7060         (ELIGIBLE_FOR_EPILOGUE_DELAY): Do not define.
7061
7062 2005-03-01  David Edelsohn  <edelsohn@gnu.org>
7063
7064         * config/rs6000/predicates.md (branch_comparison_operator): Change
7065         to define_special_predicate.
7066         (scc_comparison_operator): Same.
7067         (branch_positive_comparison_operator): Same.
7068
7069 2005-03-01  Daniel Berlin <dberlin@dberlin.org>
7070
7071         * Makefile.in (tree-ssa-sink.o): New.
7072         (OBJS-common): Add tree-ssa-sink.o.
7073         * common.opt: Add -ftree-sink
7074         * opts.c (decode_options): flag_tree_sink is set at O1 or higher.
7075         * timevar.def (TV_TREE_SINK): new timevar.
7076         * tree-flow.h (is_hidden_global_store): Prototype.
7077         * tree-optimize.c (init_tree_optimization_passes): Add
7078         pass_sink_code.
7079         * tree-pass.h (pass_sink_code): New.
7080         * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Move checking
7081         for non-obvious global store store to is_hidden_global_store, and
7082         call that new function.
7083         * tree-ssa-sink.c: New file.
7084         * doc/invoke.texi: Document -fdump-tree-sink and -ftree-sink.
7085         * doc/passes.texi: Document forward store motion.
7086         * testsuite/gcc.dg/tree-ssa/ssa-sink-1.c: New test
7087         * testsuite/gcc.dg/tree-ssa/ssa-sink-2.c: New test
7088         * testsuite/gcc.dg/tree-ssa/ssa-sink-3.c: New test
7089         * testsuite/gcc.dg/tree-ssa/ssa-sink-4.c: New test
7090
7091 2005-03-01  Per Bothner  <per@bothner.com>
7092
7093         * diagnostic.c (diagnostic_build_prefix): If USE_MAPPED_LOCATION
7094         and we have a non-zero column-number, add it to the message.
7095         Also factor out the diagnostic_kind_text.
7096
7097 2005-03-01  Zdenek Dvorak  <dvorakz@suse.cz>
7098
7099         * cfgloop.c (flow_loop_entry_edges_find, flow_loop_exit_edges_find,
7100         flow_loop_pre_header_scan, flow_loop_pre_header_find,
7101         flow_loop_scan): Removed.
7102         (flow_loop_dump): Do not dump removed fields.
7103         (flow_loop_free): Do not free removed fields.
7104         (flow_loops_find): Flags argument removed.  Do not call flow_loop_scan.
7105         (loop_exit_edge_p): New function.
7106         * cfgloop.h (struct loop): Removed fields pre_header, pre_header_edges,
7107         num_pre_header_edges, entry_edges, num_entries, exit_edges,
7108         num_exits, exits_doms.
7109         (LOOP_TREE, LOOP_PRE_HEADER, LOOP_ENTRY_EDGES, LOOP_EXIT_EDGES,
7110         LOOP_EDGES, LOOP_ALL): Removed.
7111         (flow_loop_scan): Declaration removed.
7112         (loop_exit_edge_p, mark_loop_exit_edges): Declare.
7113         * cfgloopmanip.c (create_loop_notes): Do not pass flags to
7114         flow_loops_find.
7115         * ifcvt.c (mark_loop_exit_edges): Moved to cfgloopanal.c.
7116         (if_convert): Call flow_loops_find and flow_loops_free
7117         when calling mark_loop_exit_edges.
7118         * cfgloopanal.c (mark_loop_exit_edges): Moved from
7119         ifcvt.c.  Removed the flow_loops_find, flow_loops_free and
7120         free_dominance_info calls.
7121         * loop-init.c (flow_loops_find): Ditto.
7122         * passes.c (rest_of_handle_branch_prob): Ditto.
7123         * lambda-code.c (perfect_nestify): Do not call flow_loops_find.
7124         * loop-unroll.c (analyze_insns_in_loop): Do not use
7125         EDGE_LOOP_EXIT.
7126         * predict.c (predict_loops): Do not call flow_loop_scan.
7127         Use get_loop_exit_edges.
7128         (tree_estimate_probability): Do not pass flags to flow_loops_find.
7129         * tree-if-conv.c (bb_with_exit_edge_p): Take loop as argument.
7130         Do not use EDGE_LOOP_EXIT.
7131         (tree_if_convert_cond_expr, if_convertible_modify_expr_p): Pass loop
7132         to bb_with_exit_edge_p.
7133         (if_convertible_loop_p): Do not call flow_loop_scan.  Use
7134         loop->single_exit.  Do not use EDGE_LOOP_EXIT.  Pass loop
7135         to bb_with_exit_edge_p.
7136         (combine_blocks): Pass loop to bb_with_exit_edge_p.  Do not use
7137         EDGE_LOOP_EXIT.
7138         * tree-loop-linear.c (linear_transform_loops): Do not call
7139         flow_loop_scan.  Use loop->single_exit.
7140         * tree-vect-analyze.c (vect_analyze_operations): Use loop->single_exit.
7141         (vect_analyze_loop_form): Do not call flow_loop_scan.
7142         * tree-vect-transform.c (vect_update_ivs_after_vectorizer): Use
7143         loop->single_exit.
7144         (vect_do_peeling_for_loop_bound): Use loop_preheader_edge and
7145         loop->single_exit.
7146         * tree-vectorizer.c (slpeel_update_phis_for_duplicate_loop,
7147         slpeel_make_loop_iterate_ntimes, slpeel_can_duplicate_loop_p,
7148         slpeel_tree_duplicate_loop_to_edge_cfg,
7149         slpeel_verify_cfg_after_peeling, slpeel_tree_peel_loop_to_edge):
7150         Use loop_preheader_edge and loop->single_exit.  Do not call
7151         flow_loop_scan.
7152
7153 2005-03-01  Nick Clifton  <nickc@redhat.com>
7154
7155         * config/arm/arm.c (thumb_find_work_register): Check all of the
7156         argument registers to see if they are free, and a couple of
7157         special cases where the last argument register but can be proved
7158         to be available during the function's prologue.
7159         (print_multi_reg, arm_compute_save_reg0_reg12_mask,
7160         output_return_instruction, emit_multi_reg_push, thumb_pushpop,
7161         thumb_unexpanded_epilogue): Use unsigned long as the type for the
7162         register bit-mask.
7163         (thumb_compute_save_reg_mask): Likewise.  Also use
7164         thumb_find_work_register() to ensure that there is agreement about
7165         which work register is going to be used in the prologue.
7166         (thumb_output_function_prologue): Use unsigned long as the type
7167         for the register bit-mask.  Also delay pushing the link register if
7168         other high registers are going to be pushed.
7169         (thumb_compute_save_reg_mask, emit_multi_reg_push,
7170         print_multi-reg, number_of_first_bit_set, thumb_pushpop): Remove
7171         redundant prototypes.
7172
7173 2005-02-28  John David Anglin  <dave.anglin#nrc-cnrc.gc.ca>
7174
7175         PR target/19819
7176         * pa.h (GO_IF_LEGITIMATE_ADDRESS): Allow allow hard registers during
7177         and after reload in REG+REG indexed addresses without REG_POINTER
7178         set in the base and not set in the index.
7179
7180 2005-02-28  Kaz Kojima  <kkojima@gcc.gnu.org>
7181
7182         * config/sh/linux.h (MD_EXEC_PREFIX, MD_STARTFILE_PREFIX):
7183         Don't undefine here.
7184         (HANDLE_PRAGMA_PACK_PUSH_POP): Delete.
7185         (NO_IMPLICIT_EXTERN_C, CPLUSPLUS_CPP_SPEC): Likewise.
7186         (TARGET_OS_CPP_BUILTINS): Use LINUX_TARGET_OS_CPP_BUILTINS.
7187         (LIB_SPEC, LINK_EH_SPEC, STARTFILE_SPEC, ENDFILE_SPEC,
7188         LINK_GCC_C_SEQUENCE_SPEC, USE_LD_AS_NEEDED, TARGET_C99_FUNCTIONS):
7189         Delete.
7190         * config.gcc (sh*-*-linux*): Use config/linux.h.
7191
7192 2005-02-28  Dale Johannesen  <dalej@apple.com>
7193             Stan Shebs  <shebs@apple.com>
7194
7195         Rewrite of 64-bit Darwin structure-by-value pass/return.
7196         * config/rs6000/rs6000.h (CUMULATIVE_ARGS): New fields
7197         intoffset, use_stack, named.
7198         * config/rs6000/rs6000.c (rs6000_darwin64_function_arg):  Remove.
7199         (rs6000_darwin64_record_arg_advance_flush):  New.
7200         (rs6000_darwin64_record_arg_advance_recurse): New.
7201         (rs6000_darwin64_record_arg_flush):  New.
7202         (rs6000_darwin64_record_arg_recurse):  New.
7203         (rs6000_darwin64_record_arg):  New.
7204         (rs6000_return_in_memory):  Remove AGGREGATE_TYPE_P check.
7205         (function_arg_boundary):  Handle 128-bit aligned structs.
7206         (function_arg_advance):  Rewrite darwin64 struct handling.
7207         (function_arg):  Call rs6000_darwin64_record_arg.
7208         (function_arg_partial_nregs):  Handle darwin64 structs.
7209         (rs6000_darwin64_function_value):  Remove.
7210         (rs6000_function_value):  Call rs6000_darwin64_record_arg.
7211
7212 2005-02-28  Roger Sayle  <roger@eyesopen.com>
7213
7214         PR tree-optimization/20216
7215         * tree-chrec.c (tree_fold_factorial): Delete.
7216         (tree_fold_binomial): Change argument list to take a return type
7217         and change the type of K to unsigned int.  Rewrite to avoid explicit
7218         evaluation of factorials, and (recursively) calling fold to perform
7219         compile-time arithmetic.  Return NULL on (internal) overflow.
7220         (chrec_evaluate): Change type of K to an unsigned int.  Avoid
7221         calling tree_fold_binomial unnecessarily.  Return chrec_dont_know
7222         if any intermediate calculation overflows.
7223         (chrec_apply): Update call to chrec_evaluate.
7224
7225 2005-02-28  James E Wilson  <wilson@specifixinc.com>
7226
7227         * config/mips/mips.h (NO_PROFILE_COUNTERS): Define.
7228
7229 2005-02-28  Joseph S. Myers  <joseph@codesourcery.com>
7230
7231         PR c/20245
7232         * c-parser.c (c_parser_compound_statement): Return error_mark_node
7233         instead of NULL_TREE on error.
7234
7235 2005-02-28  David Edelsohn  <edelsohn@gnu.org>
7236
7237         * config/rs6000/rs6000.c (EASY_VECTOR_15): Remove.
7238         (EASY_VECTOR_15_ADD_SELF): Remove.
7239         (num_insns_constant_wide): Not static.
7240         (validate_condition_mode): Not static.
7241         (toc_relative_expr_p): Not static.
7242         (legitimate_indirect_address_p): Not static.
7243         (macho_lo_sum_memory_operand): Not static.
7244         (invalid_e500_subreg): Not static.
7245         (easy_vector_same): Not static.
7246         (easy_vector_splat_const): Not static.
7247         (RS6000_SYMBOL_REF_TLS_P): Remove.
7248         (any_operand): Delete.
7249         (any_parallel_operand): Delete.
7250         (count_register_operand): Delete.
7251         (altivec_register_operand): Delete.
7252         (xer_operand): Delete.
7253         (s8bit_cint_operand): Delete.
7254         (short_cint_operand): Delete.
7255         (u_short_cint_operand): Delete.
7256         (non_short_cint_operand): Delete.
7257         (exact_log2_cint_operand): Delete.
7258         (gpc_reg_operand): Delete.
7259         (cc_reg_operand): Delete.
7260         (cc_reg_not_cr0_operand): Delete.
7261         (reg_or_short_operand): Delete.
7262         (reg_or_neg_short_operand): Delete.
7263         (reg_or_aligned_short_operand): Delete.
7264         (reg_or_u_short_operand): Delete.
7265         (reg_or_cint_operand): Delete.
7266         (reg_or_arith_cint_operand): Delete.
7267         (reg_or_add_cint64_operand): Delete.
7268         (reg_or_sub_cint64_operand): Delete.
7269         (reg_or_logical_cint_operand): Delete.
7270         (got_operand): Delete.
7271         (got_no_const_operand): Delete.
7272         (easy_fp_constant): Delete.
7273         (easy_vector_constant): Delete.
7274         (easy_vector_constant_add_self): Delete.
7275         (zero_constant): Delete.
7276         (zero_fp_constant): Delete.
7277         (volatile_mem_operand): Delete.
7278         (offsettable_mem_operand): Delete.
7279         (mem_or_easy_const_operand): Delete.
7280         (add_operand): Delete.
7281         (non_add_cint_operand): Delete.
7282         (logical_operand): Delete.
7283         (non_logical_cint_operand): Delete.
7284         (mask_operand): Delete.
7285         (mask_operand_wrap): Delete.
7286         (mask64_operand): Delete.
7287         (mask64_2_operand): Delete.
7288         (and64_operand): Delete.
7289         (and64_2_operand): Delete.
7290         (and_operand): Delete.
7291         (reg_or_mem_operand): Delete.
7292         (lwa_operand): Delete.
7293         (symbol_ref_operand): Delete.
7294         (call_operand): Delete.
7295         (current_file_function_operand): Delete.
7296         (input_operand): Delete.
7297         (rs6000_nonimmediate_operand): Delete.
7298         (rs6000_tls_symbol_ref): Delete.
7299         (save_world_operation): Delete.
7300         (restore_world_operation): Delete.
7301         (load_multiple_operation): Delete.
7302         (store_multiple_operation): Delete.
7303         (vrsave_operation): Delete.
7304         (mfcr_operation): Delete.
7305         (mtcrf_operation): Delete.
7306         (lmw_operation): Delete.
7307         (stmw_operation): Delete.
7308         (branch_comparison_operator): Delete.
7309         (branch_positive_comparison_operator): Delete.
7310         (scc_comparison_operator): Delete.
7311         (trap_comparison_operator): Delete.
7312         (boolean_operator): Delete.
7313         (boolean_or_operator): Delete.
7314         (min_max_operator): Delete.
7315         * config/rs6000/rs6000.h (RS6000_SYMBOL_REF_TLS_P): Move to here.
7316         (EASY_VECTOR_15): Moved to here.
7317         (EASY_VECTOR_15_ADD_SELF): Move to here.
7318         (PREDICATE_CODES): Delete.
7319         * config/rs6000/rs6000-protos.h: Delete predicate functions.
7320         Declare functions no longer static.
7321         * config/rs6000/predicates.md: New.
7322         * config/rs6000/rs6000.md: Include predicates.md
7323
7324 2005-02-28  Kazu Hirata  <kazu@cs.umass.edu>
7325
7326         * calls.c (emit_call_1): Don't use  REG_ALWAYS_RETURN.
7327         (emit_library_call_value_1): Don't use LCT_ALWAYS_RETURN and
7328         REG_ALWAYS_RETURN.
7329         * cfgrtl.c (need_fake_edge_p): Likewise.
7330         * combine.c (distribute_notes): Likewise.
7331         * emit-rtl.c (try_split): Likewise.
7332         * recog.c (peephole2_opimize): Likewise.
7333         * reg-notes.def (ALWAYS_RETURN): Remove.
7334         * rtl.h (LCT_ALWAYS_RETURN): Remove.
7335         * tree-cfg.c (need_fake_edge_p): Don't use ECF_ALWAYS_RETURN.
7336         * tree.h (ECF_ALWAYS_RETURN): Remove.
7337
7338 2005-02-28  Roger Sayle  <roger@eyesopen.com>
7339
7340         PR middle-end/19874
7341         * tree-ssa.c (tree_ssa_useless_type_conversion_1): A conversion
7342         between different machine modes is never a "useless" conversion.
7343
7344 2005-02-28  Geert Bosch  <bosch@gnat.com>
7345
7346         PR ada/15977
7347         * doc/contrib.texi: List contributors for Ada front end
7348
7349 2005-02-28 Paolo Bonzini <bonzini@gnu.org>
7350
7351         * simplify-rtx.c (simplify_unary_operation_1,
7352         simplify_const_unary_operation): New, extracted from...
7353         (simplify_unary_operation): ... this one.
7354         (simplify_binary_operation_1,
7355         simplify_const_binary_operation): New, extracted from...
7356         (simplify_binary_operation): ... this one.
7357         * rtl.h (simplify_const_unary_operation,
7358         simplify_const_binary_operation): Add prototypes.
7359
7360 2005-02-28  Julian Brown  <julian@codesourcery.com>
7361
7362         * config/elfos.h: Revert my patch from 2005-02-25 since it broke
7363         building libjava and caused PR regression/20228.
7364
7365 2005-02-28  Paolo Bonzini  <bonzini@gnu.org>
7366
7367         PR bootstrap/17383
7368         * Makefile.in (host_subdir): New.
7369         (build_objdir): New.  Replace ../$(build_subdir) with it throughout.
7370         * configure: Regenerate.
7371
7372 2005-02-27  Zack Weinberg  <zack@codesourcery.com>
7373
7374         * config/alpha/t-osf4, config/arm/t-netbsd, config/ia64/t-hpux
7375         * config/pa/t-hpux-shlib (SHLIB_INSTALL): Create the
7376         installation directory first.
7377
7378 2005-02-28  Hans-Peter Nilsson  <hp@axis.com>
7379
7380         PR target/19065.
7381         * config/cris/cris.h (EXTRA_CONSTRAINT_Q): Accept only (mem (reg)),
7382         not including (reg). Do not check for reg being CRIS_PC_REGNUM.
7383         (EXTRA_MEMORY_CONSTRAINT): Define as 'Q'.
7384         * config/cris/cris.md: Tweak comments referring to Q.
7385         ("cmpsi", "cmphi", "cmpqi", "*movsi_internal", "movhi")
7386         ("movstricthi", "movqi", "movstrictqi", "movsf", "addsi3")
7387         ("addhi3", "addqi3", "subsi3", "subhi3", "subqi3")
7388         ("*expanded_andsi", "*expanded_andhi", "*andhi_lowpart", "andqi3")
7389         ("*andqi_lowpart", "iorsi3", "iorhi3", "iorqi3", "uminsi3"):
7390         Insert spaces in constraints to align alternatives vertically for
7391         readability.
7392         ("cmphi"): Ditto.  Add separate alternative for operand 0 "r",
7393         operand 1: "M".
7394
7395 2005-02-27  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
7396
7397         PR rtl-optimization/17728
7398         * pa.md (mulsi3, divsi3, udivsi3, modsi3): Change predicate for
7399         operand 0 from general_operand to move_dest_operand.
7400
7401 2005-02-26  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
7402
7403         * pa/elf.h, pa/som.h (ASM_OUTPUT_EXTERNAL): Use assemble_name_raw
7404         instead of trying to save and restore TREE_SYMBOL_REFERENCED.
7405         * pa/pa64-hpux.h (ASM_OUTPUT_TYPE_DIRECTIVE): Define.
7406         (ASM_OUTPUT_EXTERNAL): Don't save and restore TREE_SYMBOL_REFERENCED.
7407
7408 2005-02-26  Nathanael Nerode  <neroden@gcc.gnu.org>
7409
7410         * configure.ac: Rename cc_for_cross_gnattools to host_cc_for_libada.
7411         * configure: Regenerate.
7412         * libada-mk.in: Remove CC; rename
7413         cc_for_cross_gnattools / cc_set_by_configure to host_cc_for_libada.
7414
7415 2005-02-26  Andrew Pinski  <pinskia@physics.uc.edu>
7416
7417         PR tree-opt/20188
7418         * tree-ssa-alias.c (count_uses_and_derefs): If we have TREE_LIST
7419         for the lhs, also walk over the tree.  Likewise for rhs.
7420
7421 2005-02-26  Zdenek Dvorak  <dvorakz@suse.cz>
7422
7423         * tree-ssa-dom.c (simple_iv_increment_p): New function.
7424         (simplify_rhs_and_lookup_avail_expr, eliminate_redundant_computations):
7425         Do not propagate value of iv before increment over the increment.
7426
7427 2005-02-25  Joseph S. Myers  <joseph@codesourcery.com>
7428
7429         * c-parser.c: New file.
7430         * c-parse.in: Remove.
7431         * Makefile.in (c-parse.o-warn, c-parse.o, c-parse.c, c-parse.y):
7432         Remove.
7433         (c-parser.o): Add dependencies.
7434         (C_AND_OBJC_OBJC, C_OBJS, gcc.srcextra, GTFILES, distclean,
7435         maintainer-clean, TAGS): Update.
7436         * c-config-lang.in (gtfiles): Update.
7437         * gengtype-lex.l: Don't handle "@@".
7438         * stub-objc.c (objc_get_class_ivars, objc_build_throw_stmt,
7439         objc_build_synchronized, objc_begin_try_stmt,
7440         objc_begin_catch_clause, objc_finish_catch_clause,
7441         objc_build_finally_clause, objc_finish_try_stmt): New.
7442         * c-tree.h (struct c_declspecs): Add declspecs_seen_p and
7443         type_seen_p.
7444         (c_parse_init): Update comment.
7445         * c-decl.c (c_init_decl_processing): Update comment.
7446         (build_null_declspecs, declspecs_add_qual, declspecs_add_type,
7447         declspecs_add_scspec, declspecs_add_attrs): Initialize and update
7448         new c_declspecs members.
7449
7450 2005-02-25  Julian Brown  <julian@codesourcery.com>
7451
7452         * config/elfos.h (MAKE_DECL_ONE_ONLY): Redefined to stop DECL_WEAK
7453         from being used for symbols with vague linkage when
7454         HAVE_GAS_COMDAT_GROUP is true.
7455
7456 2005-02-25  Mark Mitchell  <mark@codesourcery.com>
7457
7458         * doc/include/gcc-common.texi (version-GCC): Update to 4.1.
7459
7460 2005-02-25  Steve Ellcey  <sje@cup.hp.com>
7461
7462         PR target/19930
7463         * doc/tm.texi (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Document.
7464         (LIBGCC2_HAS_DF_MODE): New.
7465         (LIBGCC2_HAS_XF_MODE): New.
7466         (LIBGCC2_HAS_TF_MODE): New.
7467         * libgcc2.h (LIBGCC2_HAS_XF_MODE): New name for HAVE_XFMODE.
7468         (LIBGCC2_HAS_TF_MODE): New name for HAVE_TFMODE.
7469         * libgcc2.c (LIBGCC2_HAS_XF_MODE): New name for HAVE_XFMODE.
7470         (LIBGCC2_HAS_TF_MODE): New name for HAVE_TFMODE.
7471         (LIBGCC2_HAS_DF_MODE): New name for HAVE_DFMODE.
7472         * config/ia64/t-ia64 (LIB1ASMFUNCS): Remove __compat
7473         and add _fixtfdi, _fixunstfdi, _floatditf
7474         * lib1funcs.asm: Remove L__compat. Add L_fixtfdi,
7475         L_fixunstfdi, L_floatditf.
7476         * config/ia64/hpux.h (LIBGCC2_HAS_XF_MODE): Define.
7477         (LIBGCC2_HAS_TF_MODE): Define.
7478
7479 2005-02-25  Diego Novillo  <dnovillo@redhat.com>
7480
7481         PR tree-optimization/20204
7482         * tree-into-ssa.c (insert_phi_nodes_for): Do not use
7483         REWRITE_THIS_STMT markers on PHI nodes.
7484         (rewrite_initialize_block): Likewise.
7485
7486 2005-02-25  Mark Mitchell  <mark@codesourcery.com>
7487
7488         * version.c (version_string): Update to 4.1.
7489
7490 2005-02-25  Paolo Carlini  <pcarlini@suse.de>
7491
7492         * doc/extend.texi (5.24 Declaring Attributes of Functions)<noreturn>:
7493         Clarify that the alternative way doesn't work in GNU C++.
7494
7495 2005-02-25  Zdenek Dvorak  <dvorakz@suse.cz>
7496
7497         PR tree-optimization/19937
7498         * tree-ssa-loop-ivopts.c (rewrite_use_compare): Cast the final value
7499         to the type of the induction variable.
7500
7501 2005-02-25  Kaz Kojima  <kkojima@gcc.gnu.org>
7502
7503         PR rtl-optimization/20117
7504         * bb-reorder.c (duplicate_computed_gotos): Don't duplicate
7505         the block including noncopyable insn.
7506
7507 2005-02-24  Kazu Hirata  <kazu@cs.umass.edu>
7508
7509         * cse.c (delete_trivially_dead_insns): Speed up by minimizing
7510         calls to find_reg_note.
7511
7512 2005-02-24  Richard Henderson  <rth@redhat.com>
7513
7514         PR tree-opt/20127
7515         * tree-sra.c (instantiate_element): Copy TREE_THIS_VOLATILE from
7516         the type.
7517
7518 2005-02-24  Fariborz Jahanian <fjahanian@apple.com>
7519
7520         * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Check for
7521         vector types if to use base reg for misaligned non-word ld/std.
7522
7523 2005-02-24  Hans-Peter Nilsson  <hp@axis.com>
7524
7525         PR target/14619
7526         * config/cris/cris.c (cris_target_asm_function_prologue): Create
7527         dwarf2 label manually and put it after, not before the prologue.
7528
7529 2005-02-24  David Edelsohn  <edelsohn@gnu.org>
7530
7531         PR target/19019
7532         * reload.c (operands_match_p): Only increment register number for
7533         SCALAR_INT_MODE_P modes in multiple hard registers.
7534
7535         * config/rs6000/rs6000.md (trunctfdf2): Remove register constraints.
7536         Fix formatting.
7537
7538 2005-02-24  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
7539
7540         * ChangeLog.5: Fix log message typo(s).
7541         * ChangeLog.7: Likewise.
7542         * ChangeLog.tree-ssa: Likewise.
7543         * cfgexpand.c: Fix comment typo(s).
7544         * conflict.c: Likewise.
7545         * defaults.h: Likewise.
7546         * dwarf2out.c: Likewise.
7547         * gcse.c: Likewise.
7548         * ggc-page.c: Likewise.
7549         * tree-eh.c: Likewise.
7550         * tree-ssa-dom.c: Likewise.
7551
7552 2005-02-24  Jakub Jelinek  <jakub@redhat.com>
7553
7554         PR target/19019
7555         * mklibgcc.in: Pass -DSHARED when compiling all *_s${objext} objects.
7556         * config/rs6000/darwin-ldouble.c: Only use the .symver directives
7557         if SHARED is defined.
7558
7559         PR target/20196
7560         * config/rs6000/rs6000.md (LTU, GTU sCC splitters): Add earlyclobber,
7561         allow splitting only if operands 0 and 3 don't overlap.
7562
7563 2005-02-24  Richard Henderson  <rth@redhat.com>
7564
7565         PR middle-end/19953
7566         * builtins.c (fold_builtin_complex_mul, fold_builtin_complex_div): New.
7567         (fold_builtin_1): Call them.
7568         * fold-const.c (fold_complex_mult_parts): Split out from ...
7569         (fold_complex_mult): ... here.  Fix typo in both imaginary case.
7570         (fold_complex_div_parts, fold_complex_div): New.
7571         (fold): Use them.
7572         * tree.h (fold_complex_mult_parts, fold_complex_div_parts): Declare.
7573
7574 2005-02-24  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
7575
7576         * tree-ssa-ccp.c (visit_assignment): Verify that result of
7577         VIEW_CONVERT_EXPR is_gimple_min_invariant.
7578
7579         * print-tree.c (print_node_brief): Print LABEL_DECL_UID.
7580         (print_node): Likewise.
7581         Print TYPE_SIZES_GIMPLIFIED.
7582
7583 2005-02-24  Hans-Peter Nilsson  <hp@axis.com>
7584
7585         * config/cris/cris.md ("umulhisi3", "umulqihi3", "mulsi3")
7586         ("mulqihi3", "mulhisi3", "mulsidi3", "umulsidi3"): Mark input
7587         operands as commutative in constraints.
7588
7589 2005-02-24  Diego Novillo  <dnovillo@redhat.com>
7590
7591         * tree-into-ssa.c: Re-organize internal functions.
7592
7593 2005-02-24  Richard Henderson  <rth@redhat.com>
7594
7595         PR middle-end/18902
7596         * c-opts.c (c_common_post_options): Set flag_complex_method to 2
7597         for c99.
7598         * common.opt (fcx-limited-range): New.
7599         * opts.c (set_fast_math_flags): Set flag_cx_limited_range.
7600         * toplev.c (flag_complex_method): Initialize to 1.
7601         (process_options): Set flag_complex_method to 0 if
7602         flag_cx_limited_range.
7603         * doc/invoke.texi (-fcx-limited-range): New.
7604
7605 2005-02-24  Kazu Hirata  <kazu@cs.umass.edu>
7606
7607         * cse.c (delete_trivially_dead_insns): Speed up by using
7608         NEXT_INSN and PREV_INSN directly instead of next_real_insn and
7609         prev_real_insn.
7610
7611 2005-02-24  Andrea Tarani  <andrea.tarani@gilbarco.com>
7612
7613         * config/m68k/m68k.c (m68k_save_reg): Also save A5 for non-leaf
7614         functions when -mid-shared-library is being used.
7615
7616 2005-02-23  Daniel Jacobowitz  <dan@codesourcery.com>
7617
7618         * doc/tm.texi (LINK_LIBGCC_SPECIAL): Remove.
7619         (LINK_LIBGCC_SPECIAL_1): Don't mention it.
7620         * gcc.c: Don't check for LINK_LIBGCC_SPECIAL.
7621         * system.h: Poison LINK_LIBGCC_SPECIAL.
7622
7623 2005-02-23  James E Wilson  <wilson@specifixinc.com>
7624
7625         * gengtype.c (note_insn_name): Make 1 element larger.
7626
7627 2005-02-23  Roger Sayle  <roger@eyesopen.com>
7628
7629         PR target/20018
7630         PR rtl-optimization/20097
7631         * simplify-rtx.c (simplify_relational_operation_1): Avoid creating
7632         BImode SUBREGs of SImode registers which confuse the ia64 backend.
7633
7634 2005-02-23  David Edelsohn  <edelsohn@gnu.org>
7635
7636         * t-aix43 (SHLIB_INSTALL): Create directory for shared library.
7637         * t-aix52 (SHLIB_INSTALL): Same.
7638
7639 2005-02-23  Kazu Hirata  <kazu@cs.umass.edu>
7640
7641         * genpreds.c: Update copyright.
7642
7643 2005-02-23  Michael Beach  <michaelb@ieee.org>
7644
7645         PR target/20159
7646         * config/sparc/t-elf (startup files): Assemble with CPP.
7647
7648 2005-02-23  Paolo Bonzini  <bonzini@gnu.org>
7649
7650         * genpreds.c (mark_mode_tests): Handle non-VOIDmode match_operands.
7651         (write_predicate_expr): Likewise.
7652
7653 2005-02-22  Diego Novillo  <dnovillo@redhat.com>
7654
7655         PR tree-optimization/20100
7656         PR tree-optimization/20115
7657         * tree-optimize.c (init_tree_optimization_passes): Remove
7658         pass_maybe_create_global_var.
7659         * tree-pass.h (pass_maybe_create_global_var): Remove.
7660         * tree-ssa-alias.c (aliases_computed_p): Declare.
7661         (struct alias_info): Add field NUM_PURE_CONST_CALLS_FOUND.
7662         (count_calls_and_maybe_create_global_var): Remove.
7663         (pass_maybe_create_global_var): Remove.
7664         (init_alias_info): Do not declare aliases_computed_p.
7665         (maybe_create_global_var): If the function contains no
7666         call-clobbered variables and a mix of pure/const and regular
7667         function calls, create .GLOBAL_VAR.
7668         Mark all call-clobbered variables for renaming.
7669         (merge_pointed_to_info): Update comment.
7670         (add_pointed_to_var): Likewise.
7671         (is_escape_site): Likewise.
7672         Accept struct alias_info * instead of size_t *.
7673         Update all users.
7674         Update AI->NUM_CALLS_FOUND and AI->NUM_PURE_CONST_CALLS_FOUND
7675         as necessary.
7676         * tree-ssa-operands.c (get_call_expr_operands): If
7677         ALIASES_COMPUTED_P is false, do not add call-clobbering
7678         operands.
7679         * tree-ssa.c (init_tree_ssa): Set ALIASES_COMPUTED_P to false.
7680         (delete_tree_ssa): Likewise.
7681
7682 2005-02-22  James E Wilson  <wilson@specifixinc.com>
7683
7684         * toplev.c (backend_init): Don't call init_adjust_machine_modes here.
7685         (do_compile): Do call it here.
7686
7687 2005-02-22  Kazu Hirata  <kazu@cs.umass.edu>
7688
7689         PR rtl-optimization/20017.
7690         * passes.c (rest_of_handle_combine, rest_of_handle_cse,
7691         rest_of_handle_cse2, rest_of_handle_gcse): Call
7692         delete_dead_jumptables immediately before calling cleanup_cfg.
7693
7694 2005-02-22  Devang Patel  <dpatel@apple.com>
7695
7696         PR 19952
7697         * tree-if-conv.c (process_phi_nodes): Use bsi_after_labels and skip
7698         all labels
7699
7700 2005-02-22  David Edelsohn  <edelsohn@gnu.org>
7701
7702         * config/rs6000/aix.h (WINT_TYPE): Define.
7703
7704 2005-02-22  Stan Shebs  <shebs@apple.com>
7705
7706         * config/rs6000/rs6000.c (rs6000_override_options): Default to
7707         natural alignment for 64-bit Darwin.
7708         (rs6000_parse_alignment_option): Warn about uses of -malign-power
7709         on 64-bit Darwin.
7710         * doc/invoke.texi: Document this.
7711
7712 2005-02-22  DJ Delorie  <dj@redhat.com>
7713
7714         * c-common.c (c_common_type_for_mode): Pass the mode's precision
7715         to make_[un]signed_type, not the mode itself.
7716
7717 2005-02-22  Kazu Hirata  <kazu@cs.umass.edu>
7718
7719         * cfg.c (cached_make_edge): Call make_edge if edge cache is
7720         not available.  Use tail calls wherever possible.
7721         (make_edge): Call unchecked_make_edge to create an edge.
7722
7723         * tree-outof-ssa.c (SSANORM_USE_COALESCE_LIST): Remove.
7724         (coalesce_ssa_name): Don't check for
7725         SSANORM_USE_COALESCE_LIST.
7726         (rewrite_out_of_ssa): Don't use SSANORM_USE_COALESCE_LIST.
7727
7728 2005-02-22  Diego Novillo  <dnovillo@redhat.com>
7729
7730         * tree-into-ssa.c (rewrite_blocks): Move debug dumps from ...
7731         (rewrite_into_ssa): ... here.
7732
7733 2005-02-21  Alexandre Oliva  <aoliva@redhat.com>
7734
7735         PR tree-optimization/19786
7736         * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add one
7737         tag to another's may-alias bitmap when adding to the other's list.
7738
7739 2005-02-21  DJ Delorie  <dj@redhat.com>
7740
7741         * tree-ssa-loop-ivopts.c (computation_cost): Start register
7742         numbering at LAST_VIRTUAL_REGISTER+1 to avoid possibly using hard
7743         registers in unsupported ways.
7744         * expmed.c (init_expmed): Likewise.
7745
7746 2005-02-21  Stan Cox  <scox@redhat.com>
7747
7748         * config/iq2000/iq2000.h (DWARF_FRAME_RETURN_COLUMN): Change to 31.
7749
7750 2005-02-21  Kazu Hirata  <kazu@cs.umass.edu>
7751
7752         * tree-cfg.c (fold_cond_expr_cond): New.
7753         (make_edges): Call fold_cond_expr_cond.
7754         (find_taken_edge): Accept nothing but INTEGER_CST.
7755         (find_taken_edge_cond_expr): Reject INTEGER_CST other than 0
7756         and 1.
7757         (find_taken_edge_switch_expr): Remove a check for INTEGER_CST.
7758
7759         * flow.c (delete_dead_jumptables): Speed up by scanning insns
7760         that do not belong to any basic block.
7761
7762 2005-02-21  Jeff Law  <law@redhat.com>
7763
7764         * cfganal.c (find_unreachable_blocks): Manually CSE load of
7765         e->dest.
7766
7767 2005-02-21  Kazu Hirata  <kazu@cs.umass.edu>
7768
7769         * tree-outof-ssa.c (SSANORM_REMOVE_ALL_PHIS): Remove.
7770         (SSANORM_COALESCE_PARTITIONS, SSANORM_USE_COALESCE_LIST):
7771         Adjust their definitions.
7772         (remove_ssa_form): Don't check for SSANORM_REMOVE_ALL_PHIS.
7773         (rewrite_out_of_ssa): Don't use SSANORM_REMOVE_ALL_PHIS.
7774
7775         * c-objc-common.h, c-pretty-print.c, cgraphunit.c, except.c,
7776         genautomata.c, langhooks.c, langhooks.h, system.h,
7777         config/arm/lib1funcs.asm: Update copyright.
7778
7779 2005-02-21  Ulrich Weigand  <uweigand@de.ibm.com>
7780
7781         * dbxout.c (dbxout_function_end): Emit Lscope label always.
7782
7783 2005-02-21  Richard Guenther  <rguenth@gcc.gnu.org>
7784
7785         PR bootstrap/13770
7786         * doc/install.texi: Document --with-gc.
7787
7788 2005-02-21  Paolo Bonzini  <bonzini@gnu.org>
7789
7790         * simplify-rtx.c (simplify_unary_operation): Add a missing
7791         "break" statement.
7792
7793 2005-02-21  Eric Botcazou  <ebotcazou@libertysurf.fr>
7794
7795         PR tree-optimization/18663
7796         * tree-ssa-dom.c (extract_range_from_cond): Return 0
7797         if the type has variable bounds.
7798
7799 2005-02-20  Kazu Hirata  <kazu@cs.umass.edu>
7800
7801         * gcse.c: Remove an obsolete comment.
7802
7803         * cse.c (init_cse_reg_info): Use xmalloc instead of xrealloc.
7804
7805 2005-02-20  Hans-Peter Nilsson  <hp@axis.com>
7806
7807         * doc/extend.texi (Function Attributes) <Attribute const>: The
7808         attribute "pure" is below this text, not above.
7809
7810 2005-02-20  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
7811
7812         * pa.c (pa_assemble_integer, get_plabel): Small cleanups.
7813         (pa_asm_output_mi_thunk): Use asm_output_insn instead of fprintf.
7814         * som.h (ASM_OUTPUT_EXTERNAL_LIBCALL): Small cleanup.
7815
7816 2005-02-20  Zack Weinberg  <zack@codesourcery.com>
7817
7818         PR 18785
7819         * langhooks.h (struct lang_hooks): Add to_target_charset.
7820         * langhooks.c (lhd_to_target_charset): New function.
7821         * langhooks-def.h: Declare lhd_to_target_charset.
7822         (LANG_HOOKS_TO_TARGET_CHARSET): New macro.
7823         (LANG_HOOKS_INITIALIZER): Update.
7824         * c-common.c (c_common_to_target_charset): New function.
7825         * c-common.h: Declare it.
7826         * c-objc-common.h (LANG_HOOKS_TO_TARGET_CHARSET): Set to
7827         c_common_to_target_charset.
7828
7829         * defaults.c (TARGET_BELL, TARGET_BS, TARGET_CR, TARGET_DIGIT0)
7830         (TARGET_ESC, TARGET_FF, TARGET_NEWLINE, TARGET_TAB, TARGET_VT):
7831         Delete definitions.
7832         * system.h: Poison them.
7833         * doc/tm.texi: Don't discuss them.
7834         * builtins.c (fold_builtin_isdigit): Use lang_hooks.to_target_charset.
7835         * c-pretty-print.c (pp_c_integer_constant): Don't use pp_c_char.
7836         (pp_c_char): Do not attempt to generate letter escapes for
7837         newline, tab, etc.
7838         * config/arm/arm.c (output_ascii_pseudo_op): Likewise.
7839         * config/mips/mips.c (mips_output_ascii): Likewise.
7840
7841 2005-02-20  Dorit Naishlos  <dorit@il.ibm.com>
7842
7843         PR tree-optimization/19951
7844         * tree-vect-analyze.c (vect_analyze_loop_form): Check if loop exit edge
7845         is abnormal.
7846
7847 2005-02-19  Steven Bosscher  <stevenb@suse.de>
7848
7849         PR middle-end/19698
7850         * function.h (struct function): New field `max_loop_depth'.
7851         * cfgloop.c (establish_preds): Update maximum loop depth seen so far.
7852         (flow_loops_find): Reset the max loop depth count before finding loops.
7853         * flow.c (MAX_LIVENESS_ROUNDS): New constant.
7854         (update_life_info_in_dirty_blocks): Remove 2002-05-28 workaround.
7855         (calculate_global_regs_live): Make sure the loop will terminate
7856         when the initial sets are not empty.
7857
7858 2005-02-19  Zack Weinberg  <zack@codesourcery.com>
7859
7860         * mklibgcc.in: If libgcc_eh.a would be empty, put a dummy
7861         object inside.
7862         * config/ia64/hpux.h: Don't define LIBGCC_SPEC.
7863
7864 2005-02-19  Richard Sandiford  <rsandifo@redhat.com>
7865
7866         PR other/19525
7867         * doc/invoke.texi: Remove documentation of %M spec.
7868         * gcc.c: Likewise.
7869         (init_spec): Remove %M suffix from -lgcc_s.
7870         (do_spec_1): Remove 'M' case.
7871         * mklibgcc.in: Remove SHLIB_MULTILIB handling.  Expect SHLIB_LINK
7872         to put shared libraries in the multilib directory.  Remove the
7873         shlib_so_soname substitution variable.  Don't add a multilib encoding
7874         to shlib_base_name.  Set shlib_slibdir_qual to the full pathname
7875         reported by -print-multi-os-directory.  Pass @multilib_dir@ to
7876         SHLIB_INSTALL as well as SHLIB_LINK.
7877         * config/t-slibgcc-elf-ver (SHLIB_SONAME): Use @shlib_base_name@.
7878         (SHLIB_NAME): Delete.
7879         (SHLIB_DIR): New macro.
7880         (SHLIB_LINK): Put $(SHLIB_SONAME) and $(SHLIB_SOLINK) in $(SHLIB_DIR).
7881         (SHLIB_INSTALL): Adjust accordingly.
7882         * config/t-slibgcc-darwin: As for t-slibgcc-elf-ver.
7883         * config/t-slibgcc-sld: Likewise.
7884         * config/t-libunwind-elf (SHLIBUNWIND_NAME): Delete.
7885         (SHLIBUNWIND_SONAME): Use @shlib_base_name@.
7886         (SHLIBUNWIND_LINK): Put $(SHLIBUNWIND_SONAME) and $(SHLIB_SOLINK)
7887         in $(SHLIB_DIR).
7888         (SHLIBUNWIND_INSTALL): Adjust accordingly.
7889         * config/i386/t-nwld (SHLIB_SONAME): Delete.
7890         (SHLIB_LINK, SHLIB_INSTALL): Use SHLIB_NAME instead of SHLIB_SONAME.
7891         Use @shlib_base_name@ instead of @shlib_so_name@.
7892         * config/ia64/t-hpux (SHLIB_LINK): Put @shlib_base_name@.so.0
7893         and @shlib_base_name@.so in @multilib_dir@.
7894         (SHLIB_INSTALL): Adjust accordingly.  Add @shlib_slibdir_qual@
7895         to the install path.
7896         * config/mips/t-slibgcc-irix: As for t-slibgcc-elf-ver.
7897         (SHLIB_LINK): Remove previous workaround.
7898         * config/pa/t-hpux-shlib (SHLIB_DIR, SHLIB_SLIBDIR_QUAL): New macros.
7899         (SHLIB_LINK): Put $(SHLIB_SONAME) and $(SHLIB_NAME) in $(SHLIB_DIR).
7900         (SHLIB_INSTALL): Adjust accordingly.  Add $(SHLIB_SLIBDIR_QUAL) to
7901         the install path.
7902         * config/rs6000/t-aix43 (SHLIB_LINK): Put @shlib_base_name@.a in
7903         @multilib_dir@.  Use @multilib_dir@ to check for threading libraries.
7904         (SHLIB_INSTALL): Adjust accordingly.
7905         (SHLIB_LIBS): Use @multilib_dir@ to check for threading libraries.
7906         * config/rs6000/t-aix52: As for config/rs6000/t-aix43.
7907         * config/sh/t-linux (SHLIB_LINK, SHLIB_INSTALL): As for
7908         config/t-slibgcc-elf-ver.
7909
7910 2005-02-19  Zdenek Dvorak  <dvorakz@suse.cz>
7911             Jakub Jelinek  <jakub@redhat.com>
7912
7913         PR tree-optimization/19828
7914         * tree-ssa-loop-im.c: Add a TODO comment.
7915         (movement_possibility): Return MOVE_PRESERVE_EXECUTION for calls
7916         without side-effects.
7917
7918 2005-02-18  James A. Morrison  <phython@gcc.gnu.org>
7919
7920         * tree-ssa-ccp.c (widen_bitfield): Pass type to build_int_cst and don't
7921         call fold_convert.
7922
7923 2005-02-18  James E. Wilson  <wilson@specifixinc.com>
7924
7925         * doc/invoke.texi (IA-64 Options): Delete -mb-step.
7926         * config/ia64/ia64.c (last_group, group_idx): Delete variables.
7927         (errata_find_address_regs, errata_emit_nops, fixup_errata): Delete
7928         functions.
7929         (ia64_reorg): Delete fixup_errata call.
7930         * config/ia64/ia64.h (MASK_B_STEP, TARGET_B_STEP): Delete.
7931         (TARGET_SWITCHES): Delete -mb-step entry.
7932
7933 2005-02-19  Jakub Jelinek  <jakub@redhat.com>
7934
7935         PR c/20043
7936         * c-typeck.c (composite_type): Handle quals in transparent unions.
7937         (type_lists_compatible_p): Likewise.
7938
7939 2005-02-18  Stan Shebs  <shebs@apple.com>
7940
7941         * config/darwin.c (machopic_select_rtx_section): Don't put relocatable
7942         expressions in the .literal8 section.
7943
7944 2005-02-18  Geoffrey Keating  <geoffk@apple.com>
7945
7946         * config/rs6000/darwin-tramp.asm: Remove stray 'APPLE LOCAL' marker.
7947
7948 2005-02-18  Roger Sayle  <roger@eyesopen.com>
7949
7950         * fold-const.c (constant_boolean_node): Always create values of the
7951         specified type, don't bother calling truthvalue_conversion.
7952
7953 2005-02-18  Joseph S. Myers  <joseph@codesourcery.com>
7954
7955         * except.c (output_function_exception_table): Call
7956         assemble_external_libcall (eh_personality_libfunc).
7957
7958 2005-02-18  Joseph S. Myers  <joseph@codesourcery.com>
7959
7960         PR target/19886
7961         * config/ia64/ia64.h (struct machine_function): Add state_num.
7962         * config/ia64/ia64.c (process_epilogue,
7963         process_for_unwind_directive): Use new unwind state numbers each
7964         time rather than state 1.
7965
7966 2005-02-18  Ulrich Weigand  <uweigand@de.ibm.com>
7967
7968         PR target/20054
7969         * config/s390/s390.md ("*llgt_sidi", "*llgt_sidi_split"): Move to
7970         before the "*llgt_didi" pattern.
7971
7972 2005-02-18  Jason Merrill  <jason@redhat.com>
7973
7974         * gimplify.c (gimplify_modify_expr_rhs) [CALL_EXPR]: Revert again.
7975
7976 2005-02-18  Richard Earnshaw  <rearnsha@arm.com>
7977
7978         * arm/lib1funcs.asm (FUNC_ALIAS): New macro.
7979         (div0): Use it in place of ARM_FUNC_ALIAS.
7980         (lshrdi3, ashrdi3, ashlrdi3): Likewise.
7981
7982 2005-02-18  Andrew Pinski  <pinskia@physics.uc.edu>
7983
7984         PR middle-end/20030
7985         * fold-const.c (fold_indirect_ref_1): Use the correct index for zero
7986         access, the lower bound of the array type if it exists.
7987
7988 2005-02-18  Alexandre Oliva  <aoliva@redhat.com>
7989
7990         PR c++/20008
7991         * stmt.c (expand_case): Don't assume cleanup_tree_cfg will remove
7992         cases that are out-of-range for the index type.
7993
7994 2005-02-18  James A. Morrison  <phython@gcc.gnu.org>
7995
7996         * stmt.c (emit_case_bit_tests): Call fold_convert instead of convert.
7997         (estimate_case_costs): Don't call convert.
7998         * expmed.c (expand_shift): Likewise.
7999         (make_tree): Call fold_convert instead of convert.
8000
8001 2005-02-18  Jakub Jelinek  <jakub@redhat.com>
8002
8003         PR c++/19813
8004         * emit-rtl.c (set_mem_attributes_minus_bitpos): Add assertion
8005         that ref to be marked MEM_READONLY_P doesn't have base that needs
8006         constructing.
8007
8008 2005-02-18  Joseph S. Myers  <joseph@codesourcery.com>
8009
8010         * genautomata.c (output_get_cpu_unit_code_func,
8011         output_cpu_unit_reservation_p): Don't generate old-style function
8012         definitions.
8013
8014 2005-02-18  Jakub Jelinek  <jakub@redhat.com>
8015
8016         PR c++/20023
8017         PR tree-optimization/20009
8018         * convert.c (convert_to_integer): Revert 2005-02-16 change.
8019
8020         PR tree-optimization/18947
8021         * cgraphunit.c (cgraph_finalize_function): When redefining an extern
8022         inline, remove all nodes that are inlined into the extern inline
8023         being redefined.
8024
8025 2005-02-17  Kazu Hirata  <kazu@cs.umass.edu>
8026
8027         * bt-load.c, cfgloop.c, convert.c, dominance.c, global.c,
8028         loop-invariant.c, stmt.c, tree-ssa-forwprop.c,
8029         tree-ssa-live.c, tree-ssanames.c, tree-vn.c,
8030         config/host-linux.c, config/arm/fpa.md, config/avr/avr.h:
8031         Update copyright.
8032
8033 2005-02-17  Roger Sayle  <roger@eyesopen.com>
8034
8035         PR tree-optimization/19917
8036         * tree-eh.c (tree_could_trap_p): Consider calls to weak functions
8037         to be potentially trapping.
8038
8039 2005-02-17  Kazu Hirata  <kazu@cs.umass.edu>
8040
8041         * libgcc2.c, tree-vect-analyze.c: Fix comment typos.
8042
8043 2005-02-17  Andreas Krebbel  <krebbel1@de.ibm.com>
8044
8045         * builtins.c (expand_builtin_return_addr): Remove tem parameter.
8046         tem becomes a local variable which is set to the value of the
8047         back end defined INITIAL_FRAME_ADDRESS macro.
8048         (expand_builtin_frame_address): Omit the base parameter to
8049         expand_builtin_return_addr.
8050         (expand_builtin_profile_func): Likewise.
8051         * config/s390/s390.h (INITIAL_FRAME_ADDRESS_RTX): Define new macro.
8052         (DYNAMIC_CHAIN_ADDRESS): Remove the case for the initial frame.
8053         * doc/tm.texi: Documentation for INITIAL_FRAME_ADDRESS_RTX added.
8054
8055 2005-02-17  Jakub Jelinek  <jakub@redhat.com>
8056
8057         * config/s390/s390.c (s390_alloc_pool, s390_free_pool,
8058         s390_chunkify_start): Use BITMAP_ALLOC and BITMAP_FREE.
8059         * config/frv/frv.c (frv_function_epilogue): Likewise.
8060
8061 2005-02-17  Daniel Berlin  <dberlin@dberlin.org>
8062
8063         * lambda-code (perfect_nestify): Remove mark/unmark
8064         for rewriting hack.
8065         * tree-loop-linear.c (linear_transform_loops): Add
8066         rewrite_into_ssa call so that ssa is correct for
8067         rewriting into loop closed.
8068
8069 2005-02-17  Nathan Sidwell  <nathan@codesourcery.com>
8070
8071         * bitmap.h (BITMAP_XMALLOC, BITMAP_XFREE): Remove.
8072         * bb-reorder.c (duplicate_computed_gotos): Use BITMAP_ALLOC and
8073         BITMAP_FREE.
8074         * bt-load.c (btr_def_live_range, combine_btr_defs,
8075         migrate_btr_def, migrate_btr_defs): Likewise.
8076         * cfgcleanup.c (thread_jump): Likewise.
8077         * cfgloop.c (get_loop_body_in_bfs_order): Likewise.
8078         * df.c (df_insn_table_realloc, df_bitmaps_alloc, df_bitmaps_free,
8079         df_alloc, df_free, df_du_chain_create, df_bb_rd_local_compute,
8080         df_rd_local_compute, df_reg_info_compute): Likewise.
8081         * dominance.c (init_dom_info, free_dom_info): Likewise.
8082         * flow.c (init_propagate_block_info,
8083         free_propagate_block_info): Likewise.
8084         * gcse.c (alloc_gcse_mem, free_gcse_mem): Likewise.
8085         * global.c (allocate_bb_info, free_bb_info, calculate_reg_pav,
8086         modify_reg_pav): Likewise.
8087         * loop-invariant.c (find_defs, find_invariant_insn,
8088         find_invariants, free_inv_motion_data): Likewise.
8089         * predict.c (tree_predict_by_opcode,
8090         estimate_bb_frequencies): Likewise.
8091         * stmt.c (expand_case): Likewise.
8092         * tree-cfg.c (tree_duplicate_sese_region): Likewise.
8093         * tree-dfa.c (mark_new_vars_to_rename): Likewise.
8094         * tree-if-conv.c (get_loop_body_in_if_conv_order): Likewise.
8095         * tree-into-ssa.c (insert_phi_nodes_for, def_blocks_free,
8096         get_def_blocks_for, mark_def_site_blocks, rewrite_into_ssa,
8097         rewrite_ssa_into_ssa): Likewise.
8098         * tree-optimize.c (tree_rest_of_compilation): Likewise.
8099         * tree-outof-ssa.c (new_temp_expr_table, free_temp_expr_table,
8100         analyze_edges_for_bb, perform_edge_inserts): Likewise.
8101         * tree-scalar-evolution.c (scev_initialize, scev_finalize): Likewise.
8102         * tree-sra.c (tree_sra): Likewise.
8103         * tree-ssa-alias.c (init_alias_info, delete_alias_info): Likewise.
8104         * tree-ssa-ccp.c (ccp_fold_builtin): Likewise.
8105         * tree-ssa-dce.c (tree_dce_init, tree_dce_done): Likewise.
8106         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Likewise.
8107         * tree-ssa-dse.c (tree_ssa_dse): Likewise.
8108         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_var):
8109         Likewise.
8110         * tree-ssa-live.c (new_tree_live_info, delete_tree_live_info,
8111         calculate_live_on_entry, calculate_live_on_exit,
8112         build_tree_conflict_graph): Likewise.
8113         * tree-ssa-loop-ivopts.c (tree_ssa_iv_optimize_init, record_use,
8114         record_important_candidates, set_use_iv_cost, find_depends,
8115         determine_use_iv_costs, iv_ca_new, iv_ca_free, free_loop_data,
8116         tree_ssa_iv_optimize_finalize): Likewise.
8117         * tree-ssa-loop-manip.c (add_exit_phis_var, get_loops_exit,
8118         find_uses_to_rename_use, rewrite_into_loop_closed_ssa,
8119         tree_duplicate_loop_to_header_edge): Likewise.
8120         * tree-ssa-pre.c (init_pre, fini_pre): Likewise.
8121         * tree-ssa.c (verify_flow_insensitive_alias_info,
8122         verify_name_tags, verify_ssa, init_tree_ssa,
8123         delete_tree_ssa): Likewise.
8124         * tree-ssanames.c (marked_ssa_names, init_ssanames,
8125         fini_ssanames): Likewise.
8126         * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Likewise.
8127
8128 2005-02-17  Ralf Corsepius  <ralf.corsepius@rtems.org>
8129
8130         * config/rs6000/t-rtems: Completely reworked.
8131
8132 2005-02-17  Ira Rosen  <irar@il.ibm.com>
8133
8134         * tree-data-ref.c (array_base_name_differ_p): Remove gcc_assert.
8135
8136 2005-02-17  Ira Rosen  <irar@il.ibm.com>
8137
8138         * tree-vect-analyze.c (vect_analyze_pointer_ref_access): Use
8139         POINTER_TYPE_P when checking that type is a pointer.
8140         (vect_get_memtag): Remove.
8141         (vect_address_analysis): Use POINTER_TYPE_P. Call
8142         vect_object_analysis with dummy parameter for memtag.
8143         (vect_object_analysis): Extract memtag (functionality that
8144         used to be in vect_get_memtag and moved here). Fix printings.
8145         (vect_analyze_data_refs): Fix comment. Call vect_object_analysis
8146         with correct parameters. Remove call to vect_get_memtag.
8147
8148 2005-02-17  Dorit Naishlos  <dorit@il.ibm.com>
8149
8150         * Makefile.in (tree-vect-analyze.o, tree-vect-transform.o): New.
8151         (tree-vectorizer.o): Added missing dependencies.
8152
8153         * tree-vectorizer.h (vect_dump, vect_verbosity_level): Added extern
8154         decleration.
8155         (slpeel_tree_peel_loop_to_edge): Function externalized (had a static
8156         declaration in tree-vectorizer.c, now has an extern declaration in
8157         tree-vectorizer.h).
8158         (slpeel_make_loop_iterate_ntimes, slpeel_can_duplicate_loop_p,
8159         slpeel_verify_cfg_after_peeling, vect_strip_conversion,
8160         get_vectype_for_scalar_type, vect_is_simple_use,
8161         vect_is_simple_iv_evolution, vect_can_force_dr_alignment_p,
8162         vect_supportable_dr_alignment, new_loop_vec_info, destroy_loop_vec_info,
8163         new_stmt_vec_info, vect_analyze_loop, vectorizable_load,
8164         vectorizable_store, vectorizable_operation, vectorizable_assignment,
8165         vect_transform_loop, vect_print_dump_info, vect_set_verbosity_level,
8166         find_loop_location): Likewise.
8167
8168         * tree-vectorizer.c (langhooks.h): #include removed.
8169         (slpeel_tree_peel_loop_to_edge): Function externalized. Declaration
8170         moved to tree-vectorized.h.
8171         (slpeel_make_loop_iterate_ntimes, slpeel_can_duplicate_loop_p,
8172         slpeel_verify_cfg_after_peeling, vect_strip_conversion,
8173         get_vectype_for_scalar_type, vect_is_simple_use,
8174         vect_is_simple_iv_evolution, vect_can_force_dr_alignment_p,
8175         vect_supportable_dr_alignment, new_loop_vec_info,
8176         destroy_loop_vec_info, new_stmt_vec_info, vect_print_dump_info,
8177         vect_set_verbosity_level, find_loop_location): Likewise.
8178
8179         (vect_analyze_loop): Function externalized. Declaration moved to
8180         tree-vectorized.h. Function definition moved to tree-vect-analyze.c.
8181         (vect_analyze_loop_form): Moved to tree-vect-analyze.c.
8182         (vect_mark_stmts_to_be_vectorized, vect_analyze_scalar_cycles,
8183         vect_analyze_data_ref_accesses, vect_analyze_data_ref_dependences,
8184         vect_analyze_data_refs_alignment, vect_compute_data_refs_alignment,
8185         vect_enhance_data_refs_alignment, vect_analyze_operations,
8186         exist_non_indexing_operands_for_use_p, vect_mark_relevant,
8187         vect_stmt_relevant_p, vect_get_loop_niters,
8188         vect_analyze_data_ref_dependence, vect_compute_data_ref_alignment,
8189         vect_analyze_data_ref_access, vect_analyze_pointer_ref_access,
8190         vect_can_advance_ivs_p, vect_get_ptr_offset, vect_analyze_offset_expr,
8191         vect_base_addr_differ_p, vect_object_analysis, vect_address_analysis,
8192         vect_get_memtag): Likewise.
8193
8194         (vectorizable_load): Function externalized. Declaration moved to
8195         tree-vectorized.h. Function definition moved to tree-vect-transform.c.
8196         (vectorizable_store, vectorizable_operation, vectorizable_assignment,
8197         vect_transform_loop): Likewise.
8198         (vect_transform_stmt): Moved to tree-vect-transform.c.
8199         (vect_align_data_ref, vect_create_destination_var,
8200         vect_create_data_ref_ptr, vect_create_index_for_vector_ref,
8201         vect_create_addr_base_for_vector_ref, vect_get_new_vect_var,
8202         vect_get_vec_def_for_operand, vect_init_vector,
8203         vect_finish_stmt_generation, vect_generate_tmps_on_preheader,
8204         vect_build_loop_niters, vect_update_ivs_after_vectorizer,
8205         vect_gen_niters_for_prolog_loop, vect_update_inits_of_dr,
8206         vect_update_inits_of_drs, vect_do_peeling_for_alignment,
8207         vect_do_peeling_for_loop_bound): Likewise.
8208
8209         * tree-vect-analyze.c: New file.
8210         * tree-vect-transform.c: New file.
8211
8212 2005-02-17  Jason Merrill  <jason@redhat.com>
8213
8214         PR mudflap/19319, c++/19317
8215         * gimplify.c (gimplify_modify_expr_rhs) [CALL_EXPR]: Make return
8216         slot explicit.
8217
8218 2005-02-17  Gerald Pfeifer  <gerald@pfeifer.com>
8219
8220         * doc/install.texi (Specific): Update link for Darwin-specific
8221         tool binary site.
8222
8223 2005-02-16  James A. Morrison  <phython@gcc.gnu.org>
8224
8225         * fold-const.c (invert_truthvalue): <INTEGER_CST>: Call
8226         constant_boolean_node.
8227
8228 2005-02-16  David Edelsohn  <edelsohn@gnu.org>
8229
8230         PR target/19019
8231         * config/rs6000/t-aix43 (SHLIB_MAPFILES): Add libgcc-ppc64.ver.
8232         * config/rs6000/t-aix52 (SHLIB_MAPFILES): Same.
8233
8234 2005-02-16  Richard Henderson  <rth@redhat.com>
8235
8236         PR 19920
8237         * libgcc2.c (WORD_SIZE): Remove all definitions; replace uses
8238         with W_TYPE_SIZE.
8239         (HIGH_WORD_COEFF, HIGH_HALFWORD_COEFF): Remove all definitions;
8240         replace uses with Wtype_MAXp1_F.
8241         (L_fixunstfdi, L_fixtfdi, L_floatditf, L_fixunsxfdi, L_fixxfdi,
8242         L_floatdixf, L_fixunsxfsi, L_fixunsdfdi, L_floatdidf, L_fixunsdfsi,
8243         L_powidf2, L_powixf2, L_powitf2, L_muldc3, L_divdc3, L_mulxc3,
8244         L_divxc3, L_multc3, L_divtc3): Protect with HAVE_DFMODE, HAVE_XFMODE,
8245         and HAVE_TFMODE as appropriate.
8246         (__fixunssfDI): Provide an implementation that doesn't need DFmode.
8247         (__floatdisf): Likewise.
8248         * libgcc2.h (LIBGCC2_DOUBLE_TYPE_SIZE): New.
8249         (HAVE_DFMODE, HAVE_XFMODE, HAVE_TFMODE): New.
8250         (Wtype_MAXp1_F): New.
8251         (DFtype, DCtype, __fixdfdi, __floatdidf, __fixunsdfSI, __fixunsdfDI,
8252         __powidf2, __divdc3, __muldc3): Protect with HAVE_DFMODE.
8253
8254 2005-02-16  Richard Earnshaw  <rearnsha@arm.com>
8255
8256         * PR target/19162
8257         * arm.c (arm_apply_result_size): New function.
8258         * arm.h (APPLY_RESULT_SIZE): Define.
8259         * arm-protos.h (arm_apply_result_size): Add prototype.
8260         * arm.md (RO_REGNUM, FPA_F0_REGNUM, FPA_F7_REGNUM): New constants.
8261         (movxf): New expand.
8262         (ldmsi_postinc4_thumb, stmsi_postinc4_thumb): New patterns for Thumb.
8263         (call_value_symbol): Remove predicate for operand 0.
8264         (call_value_insn, sibcall_value, sibcall_value_insn): Likewise.
8265         (untyped_call): Rework to correclty return values for any type.
8266         (untyped_return): New expand.
8267         * fpa.md (movxf_fpa): Simplify and use sfm/lfm when appropriate.
8268
8269 2005-02-16  Stan Shebs  <shebs@apple.com>
8270
8271         * config.gcc (powerpc-*-darwin*): Use fragment for Darwin 8 or later.
8272         * config/rs6000/t-darwin8: New, for 64-bit multilib.
8273
8274 2005-02-16  Eric Botcazou  <ebotcazou@libertysurf.fr>
8275
8276         * doc/install.texi (sparc-sun-solaris2*): Document required GMP
8277         configure settings on Solaris 7 and later.
8278
8279 2005-02-16  Diego Novillo  <dnovillo@redhat.com>
8280
8281         PR tree-optimization/19865
8282         * tree-optimize.c (init_tree_optimization_passes): Run
8283         pass_may_alias after pass_sra.
8284
8285 2005-02-16  Richard Henderson  <rth@redhat.com>
8286             Stuart Hastings  <stuart@apple.com>
8287
8288         PR debug/19521
8289         * dbxout.c (dbxout_function_end): Take decl parameter; update callers.
8290         Do nothing if debug info suppressed for this function.
8291         (dbxout_begin_function): Early exit if debug info suppressed for
8292         this function.
8293
8294 2005-02-16  Kazu Hirata  <kazu@cs.umass.edu>
8295
8296         PR target/20007
8297         * config/ip2k/ip2k.c (ip2k_reorg): Adjust calls to
8298         find_basic_blocks.
8299         * config/sh/sh.c (sh_output_mi_thunk): Likewise.
8300
8301         PR tree-optimization/19967
8302         * builtins.c (expand_builtin_strstr, expand_builtin_strpbrk,
8303         expand_builtin_strchr, expand_builtin_strrchr): Take a new
8304         argument TYPE.  Adjust calls to fold_builtin_XXX.
8305         (expand_builtin, fold_builtin_1): Adjust calls to
8306         expand_builtin_XXX.
8307         (fold_builtin_strchr, fold_builtin_strpbrk,
8308         fold_builtin_strstr, fold_builtin_strrchr): Convert the folded
8309         result to a requested type TYPE.
8310
8311 2005-02-16  Jakub Jelinek  <jakub@redhat.com>
8312
8313         PR middle-end/19857
8314         * fold-const.c (fold): Don't optimize (T)(x & cst) to
8315         (T)x & (T)cst if (T)cst overflows.
8316         * convert.c (convert_to_integer) <case POINTER_TYPE>: Pass
8317         TYPE_UNSIGNED (type) as type_for_size's UNSIGNEDP argument.
8318
8319 2005-02-15  Jeff Law  <law@redhat.com>
8320
8321         * gcse.c (blocks_with_calls): New bitmap.
8322         (alloc_gcse_mem): Allocate it.
8323         (free_gcse_mem): Free it.
8324         (clear_modifY_mem_tables): Clear it.
8325         (record_last_mem_set_info): Set the proper bit in BLOCK_WITH_CALLS
8326         when we encounter CALL_INSNs.
8327         (compute_transp, case MEM): Handle blocks with calls separate
8328         from blocks without calls.  Use bitmap iterators rather than
8329         FOR_EACH_BB.
8330
8331 2005-02-15  Peter O'Gorman  <peter@pogma.com>
8332
8333         PR bootstrap/18810
8334         * mklibgcc.in (vis_hide): Use a temporary object file, not
8335         -o /dev/null.
8336
8337 2005-02-15  Andy Hutchinson  <HutchinsonAndy@netscape.net>
8338
8339         PR target/19924
8340         * config/avr/avr.h (MODES_TIEABLE_P): Define to 1 to allow subreg
8341         access optimization.
8342
8343 2005-02-15  David Edelsohn  <edelsohn@gnu.org>
8344             Alan Modra  <amodra@bigpond.net.au>
8345
8346         PR target/19019
8347         * config/rs6000/darwin-ldouble.c (_xlqadd): Rename to __gcc_qadd.
8348         (_xlqsub): Rename to __gcc_qsub.
8349         (_xlqmul): Rename to __gcc_qmul.
8350         (_xlqdiv): Rename to __gcc_qdiv.
8351         Provide versioned symbol aliases with old names.
8352         * config/rs6000/libgcc-ppc64.ver: Rename symbols.
8353         * config/rs6000/rs6000.c (rs6000_init_libfuncs): Rename symbols.
8354         * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): New.
8355         * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): New.
8356         * config/rs6000/t-newas (LIB2FUNCS_EXTRA): New.
8357
8358 2005-02-15  James A. Morrison  <phython@gcc.gnu.org>
8359
8360         * fold-const.c (fold): Fold -(~A) to A + 1.  Fold ~(-A) to A - 1.
8361         Fold ~(A - 1) and ~(A + -1) to -A.
8362
8363 2005-02-15  James A. Morrison  <phython@gcc.gnu.org>
8364
8365         PR pch/14940
8366         PR target/19300
8367         * config/host-linux.c (linux_gt_pch_use_address): Copy from
8368         config/pa/pa-host.c:pa_gt_pch_use_address.
8369
8370 2005-02-15  Daniel Berlin  <dberlin@dberlin.org>
8371
8372         * tree-vn.c (get_value_handle): Make sure that given an
8373         is_gimple_min_invariant expression, we always return it.
8374
8375 2005-02-15  Kazu Hirata  <kazu@cs.umass.edu>
8376
8377         * passes.c (rest_of_handle_gcse): Fix a comment.
8378
8379 2005-02-15  Jeff Law  <law@redhat.com>
8380
8381         * gcse.c (canon_modify_mem_set_list_set): Kill unnecessary
8382         bitmap.
8383         (alloc_gcse_mem, free_gcse_mem): Corresponding changes.
8384         (canon_list_insert, record_last_mem_set_info): Similarly.
8385         (clear_modify_mem_tables): Similarly.
8386
8387 2005-02-15  Kazu Hirata  <kazu@cs.umass.edu>
8388
8389         * bitmap.c, bitmap.h, lambda-code.c, tree-dfa.c, tree-dump.c,
8390         tree-dump.h, tree-ssa-loop-manip.c, value-prof.c,
8391         config/mips/mips.md, config/rs6000/aix.h,
8392         config/rs6000/beos.h, config/rs6000/sysv4.h: Update copyright.
8393
8394 2005-02-15  Richard Henderson  <rth@redhat.com>
8395
8396         * bb-reorder.c (find_traces_1_round): Force fallthru edge from a
8397         call to be best_edge.
8398
8399 2005-02-14  Kazu Hirata  <kazu@cs.umass.edu>
8400
8401         * basic-block.h: Adjust the prototype for find_basic_blocks.
8402         * cfgbuild.c (find_basic_blocks): Remove unused arguments.
8403         * passes.c (rest_of_handle_loop_optimize): Adjust the call to
8404         find_basic_blocks.
8405
8406         * flow.c (recompute_reg_usage): Remove all arguments.
8407         * passes.c (rest_of_compilation): Adjust the call to
8408         recompute_reg_usage.
8409         * rtl.h: Adjust the prototype for recompute_reg_usage.
8410
8411 2005-02-14  Daniel Berlin  <dberlin@dberlin.org>
8412
8413         * tree-dump.c (dump_files): Update to reflect new member
8414         of dump_file_info.
8415         (dump_register): Add new argument.
8416         Set glob name.
8417         (dump_switch_p_1): Check against glob name if doglob was passed.
8418         (dump_switch_p): Check against regular first, then glob if
8419         we didn't have any hits on the dump name.
8420         * tree-optimize.c (register_one_dump_file):
8421         Pass in glob name as well.
8422         * tree-pass.h (struct dump_file_info): Add glob
8423         member.
8424
8425 2005-02-14  Joseph S. Myers  <joseph@codesourcery.com>
8426
8427         PR preprocessor/16323
8428         * doc/invoke.texi: Document that -Wendif-labels is on by default.
8429
8430 2005-02-14  David Edelsohn  <edelsohn@gnu.org>
8431
8432         PR target/19019
8433         * config/rs6000/rs6000.md (trunctfdf2): Change to define_expand.
8434         (trunctfdf2_internal1): New.
8435         (trunctfdf2_internal2): Renamed from trunctfdf2.
8436
8437 2005-02-14  Diego Novillo  <dnovillo@redhat.com>
8438
8439         PR tree-optimization/19853
8440         * tree-dfa.c (add_referenced_var): Always examine DECL_INITIAL.
8441
8442 2005-02-14  Kazu Hirata  <kazu@cs.umass.edu>
8443
8444         * passes.c (rest_of_handle_loop_optimize): Remove calls to
8445         delete_dead_jumptables and cleanup_cfg.
8446
8447 2005-02-14  Ulrich Weigand  <uweigand@de.ibm.com>
8448
8449         * reload.c (find_reloads): Swap address_reloaded flags when
8450         swapping commutative operands.
8451
8452 2005-02-14  Sebastian Pop  <pop@cri.ensmp.fr>
8453
8454         * lambda-code.c (lambda_loopnest_to_gcc_loopnest, perfect_nestify):
8455         Use standard_iv_increment_position for computing the bsi position
8456         for create_iv.
8457         * tree-ssa-loop-manip.c (create_iv): Add a comment on how to compute
8458         the bsi position.
8459
8460 2005-02-13  Zdenek Dvorak  <dvorakz@suse.cz>
8461
8462         PR target/17428
8463         * cfgrtl.c (safe_insert_insn_on_edge): Avoid extending
8464         life range of hard registers.
8465         * value-prof.c (insn_prefetch_values_to_profile): Only
8466         scan normal insns.
8467
8468         * value-prof.c (rtl_find_values_to_profile): Do not look for values to
8469         profile in libcalls.
8470
8471 2005-02-13  Nathan Sidwell  <nathan@codesourcery.com>
8472
8473         * bitmap.h (bitmap_and_compl_into): Return bool.
8474         * bitmap.c (bitmap_and_compl_into): Return changed flag.
8475
8476 2005-02-13  James A. Morrison  <phython@gcc.gnu.org>
8477
8478         PR tree-optimization/19944
8479         * fold-const.c (fold): Re-add ABS_EXPR folding.
8480
8481 2005-02-13  David Edelsohn  <edelsohn@gnu.org>
8482
8483         PR target/19019
8484         * config/rs6000/aix.h ({TARGET,MASK}_XL_CALL): Rename to
8485         {TARGET,MASK}_XL_COMPAT.
8486         (SUBTARGET_SWITCHES): Rename xl-call to xl-compat.  Use
8487         MASK_XL_COMPAT.
8488         * config/rs6000/beos.h ({TARGET,MASK}_XL_CALL): Remove.
8489         * config/rs6000/rs6000.c (function_arg): Change TARGET_XL_CALL to
8490         TARGET_XL_COMPAT.
8491         (rs6000_arg_partial_bytes): Same.
8492         (rs6000_generate_compare): Generate PARALLEL for compare if TFmode
8493         and XL compatibility enabled.
8494         * config/rs6000/rs6000.h (TARGET_XL_CALL): Rename to TARGET_XL_COMPAT.
8495         * config/rs6000/rs6000.md (cmptf_internal1): Add !TARGET_XL_COMPAT
8496         test to final condition.
8497         (cmptf_internal2): New.
8498         * doc/invoke.texi (RS/6000 Subtarget Options): Change xl-call to
8499         xl-compat.  Add TFmode information to description.
8500
8501 2005-02-13  Kazu Hirata  <kazu@cs.umass.edu>
8502
8503         * flags.h, read-rtl.c, tree-ssa-live.h: Update copyright.
8504
8505 2005-02-13  Jason Merrill  <jason@redhat.com>
8506
8507         PR c++/16405
8508         * fold-const.c (fold_indirect_ref_1): Split out from...
8509         (build_fold_indirect_ref): Here.
8510         (fold_indirect_ref): New fn.
8511         * tree.h: Declare it.
8512         * gimplify.c (gimplify_compound_lval): Call fold_indirect_ref.
8513         (gimplify_modify_expr_rhs): Likewise.
8514         (gimplify_expr): Likewise.
8515
8516 2005-02-13  James A. Morrison  <phython@gcc.gnu.org>
8517
8518         PR tree-optimization/14303
8519         PR tree-optimization/15784
8520         * fold-const.c (fold): Fold ABS_EXPR<x> >= 0 to true, when possible.
8521         Fold ABS_EXPR<x> < 0 to false.  Fold ABS_EXPR<x> == 0 to x == 0 and
8522         ABS_EXPR<x> != 0 to x != 0.
8523
8524 2005-02-12  Kazu Hirata  <kazu@cs.umass.edu>
8525
8526         * c-tree.h, combine.c, expmed.c, flow.c, libgcc2.c,
8527         simplify-rtx.c, tree-ssa-live.h: Fix comment typos.  Follow
8528         spelling conventions.
8529
8530         * passes.c (rest_of_handle_gcse): Don't run cse_main and
8531         delete_trivially_dead_insns too many times.
8532
8533         * passes.c (rest_of_handle_gcse): Remove dead assignments to
8534         tem and tem2.
8535
8536 2005-02-12  Ira Rosen  <irar@il.ibm.com>
8537
8538         * tree-vectorizer.c (vect_get_base_and_offset): Remove.
8539         (vect_is_simple_iv_evolution): Remove redundant parameter
8540         and step check.
8541         (vect_analyze_scalar_cycles): Call vect_is_simple_iv_evolution
8542         without last parameter.
8543         (vect_analyze_pointer_ref_access): Get access_fn as parameter.
8544         Return pointer step. Call vect_is_simple_iv_evolution without
8545         last parameter. Check only that the step is multiple of size
8546         type. Remove stmt_vinfo updates.
8547         (vect_get_memtag_and_dr): Remove.
8548         (vect_get_memtag): New function.
8549         (vect_address_analysis): New function.
8550         (vect_object_analysis): New function.
8551         (vect_analyze_data_refs): Call vect_object_analysis and
8552         vect_get_memtag. Update stmt_vinfo fields.
8553
8554 2005-02-12  Ira Rosen  <irar@il.ibm.com>
8555
8556         * tree-data-ref.c (array_base_name_differ_p): Check that the bases
8557         exist and are objects. Remove checks for pointer.
8558         * tree-vectorizer.c (vect_create_addr_base_for_vector_ref): Use
8559         STMT_VINFO_VECT_DR_BASE_ADDRESS instead of DR_BASE_NAME.
8560         (vect_create_data_ref_ptr): Likewise.
8561         (vect_base_addr_differ_p): New function.
8562         (vect_analyze_data_ref_dependence): Call vect_base_addr_differ_p.
8563         (vect_analyze_pointer_ref_access): Add output parameter - ptr_init.
8564         Don't set the DR_BASE_NAME field of data-ref.
8565         (vect_get_memtag_and_dr): Use ptr_init instead of DR_BASE_NAME.
8566
8567 2005-02-12  Uros Bizjak  <uros@kss-loka.si>
8568
8569         * optabs.h (enum optab_index): Add new OTI_ldexp.
8570         (ldexp_optab): Define corresponding macro.
8571         * optabs.c (init_optabs): Initialize ldexp_optab.
8572         * genopinit.c (optabs): Implement ldexp_optab using ldexp?f3
8573         patterns.
8574         * builtins.c (expand_builtin_mathfn_2): Handle BUILT_IN_LDEXP{,F,L}
8575         using ldexp_optab.
8576         (expand_builtin): Expand BUILT_IN_LDEXP{,F,L} using
8577         expand_builtin_mathfn_2 if flag_unsafe_math_optimizations is set.
8578
8579         * config/i386/i386.md (ldexpsf3, ldexpdf3, ldexpxf3): New expanders
8580         to implement ldexpf, ldexp and ldexpl built-ins as inline x87
8581         intrinsics.
8582
8583 2005-02-12  Ira Rosen  <irar@il.ibm.com>
8584
8585         * tree-vectorizer.h (struct _stmt_vec_info): Rename a field: base
8586         to base_address.
8587         * tree-vectorizer.c (new_stmt_vec_info): Rename the above field of
8588         stmt_vec_info.
8589         (vect_get_base_and_offset): Always return an address.
8590         (vect_create_addr_base_for_vector_ref): Remove treatment for
8591         different data reference types.
8592         (vect_compute_data_ref_alignment): Rename base to base_address in
8593         stmt_vec_info. Get the object in order to force its alignment.
8594         (vect_get_memtag_and_dr): Rename base to base_address in
8595         stmt_vec_info. Extract the object for memtag analysis.
8596
8597 2005-02-12  Hans-Peter Nilsson  <hp@axis.com>
8598
8599         PR regression/19898.
8600         * config/cris/cris.c (cris_notice_update_cc): When testing if insn
8601         changes cc_status, use apply modified_in_p to part of cc_status
8602         and insn, not cris_reg_overlap_mentioned_p on SET_DEST of insn
8603         body.
8604
8605 2005-02-11  Richard Henderson  <rth@redhat.com>
8606
8607         * tree-complex.c (expand_complex_libcall): New.
8608         (expand_complex_multiplication): Use it for c99 compliance.
8609         (expand_complex_division): Likewise.
8610         * fold-const.c (fold_complex_add, fold_complex_mult): New.
8611         (fold): Call them.
8612         * builtins.c (built_in_names): Remove const.
8613         * tree.c (build_common_builtin_nodes): Build complex arithmetic
8614         builtins.
8615         * tree.h (BUILT_IN_COMPLEX_MUL_MIN, BUILT_IN_COMPLEX_MUL_MAX): New.
8616         (BUILT_IN_COMPLEX_DIV_MIN, BUILT_IN_COMPLEX_DIV_MAX): New.
8617         (built_in_names): Remove const.
8618         * c-common.c (c_common_type_for_mode): Handle complex modes.
8619         * flags.h, toplev.c (flag_complex_method): Rename from
8620         flag_complex_divide_method.
8621         * libgcc2.c (__divsc3, __divdc3, __divxc3, __divtc3,
8622         __mulsc3, __muldc3, __mulxc3, __multc3): New.
8623         * libgcc2.h: Declare them.
8624         * libgcc-std.ver: Export them.
8625         * mklibgcc.in (lib2funcs): Build them.
8626
8627 2005-02-11  Steven Bosscher  <stevenb@suse.de>
8628
8629         PR tree-optimization/19876
8630         Partially revert my change from 2005-01-14
8631         * tree-ssa-pre.c (compute_antic_aux): Make recursive once again...
8632         (compute_antic): ...and remove the loop here.
8633
8634 2005-02-11  Jakub Jelinek  <jakub@redhat.com>
8635
8636         PR middle-end/19858
8637         * fold-const.c (make_bit_field_ref): If bitpos == 0 and bitsize
8638         is number of inner's bits, avoid creating a BIT_FIELD_REF.
8639
8640         * config/rs6000/sysv4.h (ENDFILE_LINUX_SPEC): Use crtendS.o instead of
8641         crtend.o if -pie.  Use %{x:a;:b} spec syntax.
8642
8643 2005-02-11  Daniel Jacobowitz  <dan@codesourcery.com>
8644
8645         * config/mips/linux-unwind.h (mips_fallback_frame_state): Adjust
8646         offsets for the big-endian 32-bit case.
8647
8648 2005-02-11  Joseph S. Myers  <joseph@codesourcery.com>
8649
8650         * config/ia64/hpux.h (WCHAR_TYPE, WCHAR_TYPE_SIZE): Define.
8651
8652 2005-02-11  Dale Johannesen  <dalej@apple.com>
8653
8654         * cselib.c (cselib_process_insn):  Clear out regs where
8655         HARD_REGNO_CALL_PART_CLOBBERED is true at a call.
8656         * reload.c (find_equiv_reg): Ditto.
8657
8658 2005-02-11  Ian Lance Taylor  <ian@airs.com>
8659
8660         * read-rtl.c (read_rtx_1): Give fatal error if we see a vector
8661         with no elements.
8662
8663         * tree.c (build_function_type_list): Work correctly if there are
8664         no arguments.
8665
8666 2005-02-11  Ulrich Weigand  <uweigand@de.ibm.com>
8667
8668         * config/s390/s390.md ("*cmpdi_cct", "*cmpsi_cct", "*cmpdi_ccs",
8669         "*cmpsi_ccs"): Use %h instead of %c to print immediate operand.
8670         ("*zero_extendhisi2_64", "*zero_extendhisi2_31"): Choose based on
8671         TARGET_ZARCH instead of TARGET_64BIT.
8672
8673 2005-02-11  Ralf Corsepius  <ralf.corsepius@rtems.org>
8674
8675         * config/rs6000/t-rtems:
8676         (MULTILIB_OPTIONS): Remove mcpu=602.
8677         (MUTLILIB_DIRNAMES): Remove m602.
8678         (MULTILIB_MATCHES): Add ${MULTILIB_MATCHES_FLOAT}.
8679         Let mcpu=602 match mcpu=603.
8680         (MULTILIB_NEW_EXCEPTIONS_ONLY): Add mcpu=601, mcpu=602, mcpu=m603.
8681
8682 2005-02-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
8683
8684         * pa/linux-unwind.h (pa32_fallback_frame_state): Handle misaligned
8685         signal trampolines.
8686
8687 2005-02-10  David Daney  <ddaney@avtrex.com>
8688
8689         * config/alpha/linux-unwind.h: Add exception clause to copyright.
8690         * config/i386/linux-unwind.h: Likewise.
8691         * config/ia64/linux-unwind.h: Likewise.
8692         * config/mips/linux-unwind.h: Likewise.
8693         * config/pa/linux-unwind.h: Likewise.
8694         * config/rs6000/linux-unwind.h: Likewise.
8695         * config/s390/linux-unwind.h: Likewise.
8696         * config/sh/linux-unwind.h: Likewise.
8697         * config/sparc/linux-unwind.h: Likewise.
8698
8699 2005-02-10  Steven Bosscher  <stevenb@suse.de>
8700
8701         PR tree-optimization/17549
8702         * tree-outof-ssa.c (find_replaceable_in_bb): Do not allow
8703         TER to replace a DEF with its expression if the DEF and the
8704         rhs of the expression we replace into have the same root
8705         variable.
8706
8707 2005-02-10  Richard Sandiford  <rsandifo@redhat.com>
8708
8709         * config/mips/mips.md: Fix the placement of the match_scratch in the
8710         lea64 peephole2.
8711
8712 2005-02-10  Kazu Hirata  <kazu@cs.umass.edu>
8713
8714         * cse.c, tree-ssa-loop-ivopts.c, config/rs6000/linux-unwind.h:
8715         Fix comment typos.
8716
8717 2005-02-10  Zdenek Dvorak  <dvorakz@suse.cz>
8718
8719         * tree-ssa-loop-ivopts.c (determine_base_object): Ignore casts.
8720         (strip_offset): Handle addresses.
8721         (add_address_candidates): Use strip_offset.
8722         (difference_cost): Reflect strip_offset change.
8723         (force_var_cost, difference_cost): Strip nops.
8724
8725 2005-02-10  Kazu Hirata  <kazu@cs.umass.edu>
8726
8727         * df.h (DF_REF_MODE_CHANGE, DF_REF_MEM_OK): Remove.
8728
8729         * builtins.def, haifa-sched.c, libgcc2.c, libgcc2.h,
8730         tree-ssa-loop-ivcanon.c, tree-ssa-loop-niter.c,
8731         config/cris/cris-protos.h, config/cris/cris.c: Update
8732         copyright.
8733
8734 2005-02-10  Jeff Law  <law@redhat.com>
8735
8736         * tree-ssa-dom.c (thread_across_edge): Use xmalloc, not xcalloc.
8737         (lookup_avail_expr): Similarly.
8738
8739 2005-02-10  Richard Guenther  <rguenth@gcc.gnu.org>
8740
8741         * builtins.c (fold_builtin_powi): New function.
8742         (fold_builtin_1): Call it.
8743
8744 2005-02-10  Steven Bosscher  <stevenb@suse.de>
8745
8746         PR documentation/19309
8747         * doc/cpp.texi: The __GNUC__ and related predefined macros
8748         are also defined for the "standalone" cpp.
8749         Some non-GCC compilers may also define __GNUC__.
8750
8751 2005-02-10  Jakub Jelinek  <jakub@redhat.com>
8752
8753         PR c/19342
8754         * c-typeck.c (common_type): New routine.  Old common_type renamed
8755         to...
8756         (c_common_type): ...this.
8757         (build_conditional_expr, build_binary_op): Use c_common_type instead
8758         of common_type.
8759
8760 2005-02-10  Steven Bosscher  <stevenb@suse.de>
8761
8762         * doc/md.texi: Replace @samp{length} with @code{length}.
8763
8764 2005-02-09  Zdenek Dvorak  <dvorakz@suse.cz>
8765
8766         PR tree-optimization/18687
8767         * tree-flow.h (find_loop_niter): Declare.
8768         * tree-ssa-loop-ivcanon.c (canonicalize_loop_induction_variables):
8769         Try using scev even for loops with more than one exit.
8770         * tree-ssa-loop-ivopts.c (struct loop_data): Removed niter field.
8771         (struct ivopts_data): Added niters field.
8772         (struct nfe_cache_elt): New.
8773         (nfe_hash, nfe_eq, niter_for_exit, niter_for_single_dom_exit): New
8774         functions.
8775         (tree_ssa_iv_optimize_init): Initialize niters cache.
8776         (determine_number_of_iterations): Removed.
8777         (find_induction_variables): Do not call determine_number_of_iterations.
8778         Access niters for single exit through niter_for_single_dom_exit.
8779         (add_iv_outer_candidates): Access niters for single exit through
8780         niter_for_single_dom_exit.
8781         (may_eliminate_iv): Take data argument.  Use niter_for_exit.  Do not use
8782         number_of_iterations_cond.
8783         (iv_period): New function.
8784         (determine_use_iv_cost_condition): Pass data to may_eliminate_iv.
8785         (may_replace_final_value): Take data argument.  Use
8786         niter_for_single_dom_exit.
8787         (determine_use_iv_cost_outer): Pass data to may_replace_final_value.
8788         (rewrite_use_compare): Pass data to may_eliminate_iv.
8789         (rewrite_use_outer): Pass data to may_replace_final_value.
8790         (free_loop_data): Clean up the niters cache.
8791         (tree_ssa_iv_optimize_finalize): Free the niters cache.
8792         (tree_ssa_iv_optimize_loop): Do not call loop_commit_inserts.
8793         * tree-ssa-loop-niter.c (find_loop_niter): New function.
8794         (find_loop_niter_by_eval): Use tree_int_cst_lt.
8795         (num_ending_zeros): Moved to tree.c.
8796         * tree.h (num_ending_zeros): Declare.
8797         * tree.c (num_ending_zeros): Moved from tree.c.
8798
8799 2005-02-09  Richard Henderson  <rth@redhat.com>
8800
8801         * builtins.c (DEF_BUILTIN): Add COND argument.
8802         * tree.h (DEF_BUILTIN): Likewise.
8803         * builtins.def (DEF_GCC_BUILTIN, DEF_LIB_BUILTIN, DEF_EXT_LIB_BUILTIN,
8804         DEF_C94_BUILTIN, DEF_C99_BUILTIN, DEF_C99_C90RES_BUILTIN): Update to
8805         match.
8806         (DEF_BUILTIN_STUB): New.
8807         (BUILT_IN_STACK_SAVE, BUILT_IN_STACK_RESTORE, BUILT_IN_INIT_TRAMPOLINE,
8808         BUILT_IN_ADJUST_TRAMPOLINE, BUILT_IN_NONLOCAL_GOTO,
8809         BUILT_IN_PROFILE_FUNC_ENTER, BUILT_IN_PROFILE_FUNC_EXIT): Use it.
8810         * c-common.c (DEF_BUILTIN): Add COND argument.
8811         * tree.c (local_define_builtin): New.
8812         (build_common_builtin_nodes): New.
8813
8814 2005-02-09  Roger Sayle  <roger@eyesopen.com>
8815
8816         * fold-const.c (fold_strip_sign_ops): New function to simplify a
8817         floating point expression ignoring the sign of the result.
8818         (fold) <ABS_EXPR>: Use it to simplify fabs(x).
8819         (fold) <MULT_EXPR>: Use it to simplify x*x.
8820         * tree.h (fold_strip_sign_ops): Prototype here.
8821         * builtins.c (fold_builtin_copysign): Take an additional FNDECL
8822         argument.  Use fold_strip_sign_ops to simplify the first argument.
8823         (fold_builtin_pow):  Use fold_strip_sign_ops to simplify the
8824         first argument when the second argument is an even integer
8825         constant, but only with -funsafe_math_optimizations.
8826         (fold_builtin_1): Update call to fold_builtin_copysign.
8827
8828 2005-02-09  Ian Lance Taylor  <ian@airs.com>
8829
8830         PR middle-end/19583
8831         * gimple-low.c (try_catch_may_fallthru): In EH_FILTER_EXPR case,
8832         just check whether EH_FILTER_FAILURE falls through.
8833
8834 2005-02-09  Andreas Krebbel  <krebbel1@de.ibm.com>
8835
8836         * gcc/haifa-sched.c (schedule_block): Make queued sched group
8837         insns return to ready list in the next turn.
8838
8839 2005-02-09  Richard Guenther  <rguenth@gcc.gnu.org>
8840
8841         PR middle-end/19402
8842         * builtins.def: New __builtin_powi[lf].
8843         * builtins.c (mathfn_built_in): Handle BUILT_IN_POWI.
8844         (expand_builtin_powi): New function.
8845         (expand_builtin): Dispatch to expand_builtin_powi.
8846         * libgcc2.h: Add prototypes for __builtin_powi[lf].
8847         * libgcc2.c: Add __builtin_powi[lf] implementation.
8848         * mklibgcc.in: Add __builtin_powi[lf] to lib2funcs.
8849         * optabs.h: Add powi_optab.
8850         * optabs.c (init_optabs): Initialize powi_optab.
8851         * doc/extend.texi: Document __builtin_powi[lf].
8852
8853 2005-02-09  Dorit Naishlos  <dorit@il.ibm.com>
8854
8855         * tree-vectorizer.c (vect_set_dump_settings): Check that dump_file
8856         exists.
8857
8858 2005-02-09  Richard Guenther  <rguenth@gcc.gnu.org>
8859
8860         PR middle-end/19854
8861         * fold-const.c (try_move_mult_to_index): Remove redundant
8862         type argument.  Create ADDR_EXPR with correct type.
8863         (fold): Update callers of try_move_mult_to_index.  Convert
8864         result to the appropriate type.
8865
8866 2005-02-09  Roger Sayle  <roger@eyesopen.com>
8867
8868         PR target/19597
8869         * config/avr/avr.c (default_rtx_costs): Delete.
8870         (avr_operand_rtx_cost): New function.
8871         (avr_rtx_costs): Completely rewrite.
8872
8873 2005-02-08  Hans-Peter Nilsson  <hp@axis.com>
8874
8875         PR target/19806
8876         * config/cris/cris.c (in_code): New variable.
8877         (cris_output_addr_const): Now a static function, a wrapper for
8878         output_addr_const.
8879         (cris_asm_output_symbol_ref): New function, broken out SYMBOL_REF
8880         case from old cris_output_addr_const.
8881         (cris_asm_output_label_ref): Similar for LABEL_REF.
8882         (cris_output_addr_const_extra): Similar for UNSPEC.
8883         * config/cris/cris.h (OUTPUT_ADDR_CONST_EXTRA)
8884         (ASM_OUTPUT_SYMBOL_REF, ASM_OUTPUT_LABEL_REF): Define.
8885         * config/cris/cris-protos.h (cris_output_addr_const): Remove
8886         declaration.
8887         (cris_asm_output_symbol_ref, cris_output_addr_const_extra)
8888         (cris_asm_output_label_ref): Declare.
8889
8890 2005-02-08  Paolo Bonzini  <bonzini@gnu.org>
8891
8892         PR preprocessor/19801
8893         * doc/cppinternals.texi (Conventions, Lexer, Files): Adjust
8894         filenames that changed when libcpp was moved to the toplevel.
8895
8896 2005-02-07  Roger Sayle  <roger@eyesopen.com>
8897
8898         * simplify-rtx.c (simplify_relational_operation_1): Avoid creating
8899         zero extensions of BImode operands.  Call lowpart_subreg instead
8900         of gen_lowpart_common and gen_lowpart_SUBREG.
8901
8902 2005-02-07  Nathanael Nerode  <neroden@gcc.gnu.org>
8903
8904         PR ada/19489
8905         * libada-mk.in: Use cc_for_cross_gnattools, not cc_set_by_configure.
8906         * configure.ac: Set cc_for_cross_gnattools.
8907         * configure: Regenerate.
8908
8909 2005-02-08  Alan Modra  <amodra@bigpond.net.au>
8910
8911         PR target/19803
8912         * predict.c (PROB_VERY_UNLIKELY): Use 1% instead of 10%.
8913
8914 2005-02-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
8915
8916         PR debug/19327
8917         * dbxout.c (dbxout_symbol) <FUNCTION_DECL>: Skip inline instance
8918         of nested functions.
8919
8920 2005-02-07  Jonathan Wakely  <redi@gcc.gnu.org>
8921
8922         * doc/extend.texi: Document deprecated extensions allowing
8923         static floating-point members to have initializers and allowing
8924         floating-point literals in integral constant expressions.
8925
8926 2005-02-07  Kazu Hirata  <kazu@cs.umass.edu>
8927
8928         * cfgcleanup.c, df.h, diagnostic.c, rtl.c, tree-vectorizer.h,
8929         config/darwin7.h, config/mips/mips.c,
8930         config/rs6000/altivec.md, config/rs6000/darwin-tramp.asm:
8931         Update copyright.
8932
8933         * cse.c: Update comments.
8934
8935 2005-02-07  Richard Guenther  <rguenth@gcc.gnu.org>
8936
8937         PR middle-end/19775
8938         * builtins.c (fold_builtin_sqrt): Transform
8939         sqrt(pow(x,y)) to pow(fabs(x),y*0.5), not
8940         pow(x,y*0.5).
8941
8942 2005-02-07  Leehod Baruch  <leehod@il.ibm.com>
8943             Dorit Naishlos  <dorit@il.ibm.com>
8944
8945         * doc/invoke.texi (ftree-vectorizer-verbose): New.
8946         * opts.c (OPT_ftree_vectorizer_verbose_): New case for switch.
8947         * common.opt (ftree-vectorizer-verbose): New Flag for the vectorizer
8948         was added.
8949         * tree.h (vect_set_verbosity_level): New extern function declaration
8950         added.
8951         * tree-vectorizer.h (verbosity_levels): New enum type.
8952         * tree-vectorizer.c (vect_debug_stats): Function removed.
8953         (vect_debug_details): Likewise.
8954         (vect_verbosity_level): Global variable was defined and initialized.
8955         (vect_dump): Global variable definition.
8956         (vect_print_dump_info): New function.
8957         (vect_set_dump_settings): New function.
8958         (vect_set_verbosity_level): New function.
8959         (vectorize_loops): Add call to vect_set_dump_settings.
8960
8961         (slpeel_make_loop_iterate_ntimes): Dump condition was changed.
8962         (slpeel_tree_duplicate_loop_to_edge_cfg): Likewise.
8963         (slpeel_tree_peel_loop_to_edge): Likewise.
8964
8965         (vect_analyze_offset_expr): Call to vect_print_dump_info with
8966         appropriate verbosity level instead of call to vect_debug_details
8967         or vect_debug_stats.
8968         (vect_get_base_and_offset):
8969         (vect_create_addr_base_for_vector_ref):
8970         (get_vectype_for_scalar_type):
8971         (vect_create_data_ref_ptr):
8972         (vect_init_vector):
8973         (vect_get_vec_def_for_operand):
8974         (vect_finish_stmt_generation):
8975         (vectorizable_assignment):
8976         (vectorizable_operation):
8977         (vectorizable_store):
8978         (vectorizable_load):
8979         (vect_transform_stmt):
8980         (vect_update_ivs_after_vectorizer):
8981         (vect_do_peeling_for_loop_bound):
8982         (vect_update_inits_of_drs):
8983         (vect_do_peeling_for_alignment):
8984         (vect_transform_loop):
8985         (vect_is_simple_use):
8986         (vect_analyze_operations):
8987         (vect_is_simple_iv_evolution):
8988         (vect_analyze_scalar_cycles):
8989         (vect_analyze_data_ref_dependence):
8990         (vect_analyze_data_ref_dependences):
8991         (vect_compute_data_ref_alignment):
8992         (vect_enhance_data_refs_alignment):
8993         (vect_analyze_data_refs_alignment):
8994         (vect_analyze_data_ref_access):
8995         (vect_analyze_data_ref_accesses):
8996         (vect_analyze_pointer_ref_access):
8997         (vect_get_memtag_and_dr):
8998         (vect_analyze_data_refs):
8999         (vect_mark_relevant):
9000         (vect_stmt_relevant_p):
9001         (vect_mark_stmts_to_be_vectorized):
9002         (vect_can_advance_ivs_p):
9003         (vect_get_loop_niters):
9004         (vect_analyze_loop_form):
9005         (vect_analyze_loop):
9006         (vectorize_loops): Likewise.
9007
9008         (vect_do_peeling_for_loop_bound): Dump format slightly changed.
9009         (vect_update_inits_of_drs):
9010         (vect_do_peeling_for_alignment):
9011         (vect_transform_loop):
9012         (vect_analyze_operations):
9013         (vect_analyze_scalar_cycles):
9014         (vect_analyze_data_ref_dependences):
9015         (vect_analyze_data_refs_alignment):
9016         (vect_analyze_data_ref_accesses):
9017         (vect_analyze_data_refs):
9018         (vect_mark_stmts_to_be_vectorized):
9019         (vect_get_loop_niters):
9020         (vect_analyze_loop_form):
9021         (vect_analyze_loop): Likewise.
9022         (vect_mark_stmts_to_be_vectorized): Add call to print_generic_expr.
9023
9024 2005-02-07  Richard Sandiford  <rsandifo@redhat.com>
9025
9026         PR bootstrap/19796
9027         Revert:
9028         2005-01-26  Richard Sandiford  <rsandifo@redhat.com>
9029         * config/mips/iris6.h (ENDFILE_SPEC): Don't link in irix-csr.o if
9030         either -ffast-math or -funsafe-math-optimizations is in use.
9031
9032         2005-01-24  Richard Sandiford  <rsandifo@redhat.com>
9033         * config/mips/irix-csr.c: New file.
9034         * config/mips/t-iris6 (irix-csr.o): New rule to build it.
9035         (EXTRA_MULTILIB_PARTS): Add irix-csr.o.
9036         * config/mips/iris6.h (ENDFILE_SPEC): Include it in n32 and n64
9037         executables.
9038
9039 2005-02-07  Alexandre Oliva  <aoliva@redhat.com>
9040
9041         * config/mn10300/linux.h (LIB_SPEC, STARTFILE_SPEC): Remove
9042         redundant, incorrect definitions.
9043
9044         * config/frv/frv.md ("tls_indirect_call"): Turn into libcall-like
9045         expand.
9046         ("*tls_indirect_call"): New, reference hard regs directly.
9047         * config/frv/frv.c (gen_inlined_tls_plt): Adjust.
9048
9049 2005-02-07  Ralf Corsepius  <ralf.corsepius@rtems.org>
9050
9051         * config/arm/rtems-elf.h (SUBTARGET_EXTRA_ASM_SPEC):
9052         Let !-mhard-float !-msoft-float imply -mfpu=softfpa.
9053
9054 2005-02-06  Roger Sayle  <roger@eyesopen.com>
9055
9056         PR rtl-optimization/19800
9057         * simplify_rtx.c (simplify_relational_operation_1): Explicitly
9058         call gen_lowpart_common and gen_lowpart_SUBREG instead of calling
9059         gen_lowpart.
9060
9061 2005-02-07  Ralf Corsepius  <ralf.corsepius@rtems.org>
9062
9063         * config/m68k/t-rtems (MULTILIB_MATCHES): Let m528x match m5200.
9064
9065 2005-02-07  Joseph S. Myers  <joseph@codesourcery.com>
9066
9067         PR other/17135
9068         * doc/invoke.texi: Correct documentation of -freorder-functions.
9069
9070 2005-02-06  Joseph S. Myers  <joseph@codesourcery.com>
9071
9072         PR other/14402
9073         * doc/invoke.texi: Don't mention gccbug.
9074
9075 2005-02-06  Roger Sayle  <roger@eyesopen.com>
9076             Andrew Pinski  <pinskia@physics.uc.edu>
9077             Paolo Bonzini  <paolo.bonzini@lu.unisi.ch>
9078
9079         * simplify-rtx.c (simplify_relational_operation_1): Simplify
9080         (ne:SI (zero_extract:SI FOO (const_int 1) BAR) (const_int 0))
9081         into just (zero_extract:SI FOO (const_int 1) BAR).
9082
9083 2005-02-06  Joseph S. Myers  <joseph@codesourcery.com>
9084
9085         * doc/cpp.texi: Include gcc-common.texi.  Don't define gcctabopt
9086         macro locally.  Don't give last revision date.  Use GCC version
9087         number from gcc-common.texi.
9088         * doc/cppinternals.texi: Include gcc-common.texi.  Don't give last
9089         revision date.  Use GCC version number from gcc-common.texi.
9090         Describe being a library as current state rather than as 3.x
9091         history.
9092         * doc/gcc.texi: Remove last update date.
9093         * doc/gccint.texi: Likewise.  Update copyright dates.
9094         * doc/install.texi: Update copyright dates.
9095
9096 2005-02-06  Joseph S. Myers  <joseph@codesourcery.com>
9097
9098         PR other/7549
9099         * doc/invoke.texi: Mention for each option included in -Wall that
9100         it is included in -Wall.
9101         * doc/gcc.texi: Update copyright and last modification date.
9102
9103 2005-02-06  Zdenek Dvorak  <dvorakz@suse.cz>
9104
9105         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Do not add
9106         unnecessary cast to original induction variable increments.
9107
9108 2005-02-06  Zdenek Dvorak  <dvorakz@suse.cz>
9109
9110         PR tree-optimization/18219
9111         * tree-ssa-loop-ivopts.c (get_computation_at): Produce computations
9112         in distributed form.
9113
9114 2005-02-06  Richard Sandiford  <rsandifo@redhat.com>
9115
9116         * expmed.c (store_bit_field): Make the SUBREG code adjust bitnum.
9117         Set bitpos and offset later in the function.  Do nothing if the
9118         target is a register and if the bitfield lies completely outside
9119         that register.
9120         (extract_bit_field): Make the same SUBREG, bitpos and offset changes
9121         here.  Return an uninitialised register if the source value is stored
9122         in a register and the bitfield lies completely outside that register.
9123
9124 2005-02-06  Steven Bosscher  <stevenb@suse.de>
9125
9126         * df.c (df_insn_refs_record): Use XEXP to get the operand of a USE,
9127         not SET_DEST.
9128
9129 2005-02-06  Marcin Dalecki  <martin@dalecki.de>
9130
9131         * diagnostic.c (default_diagnostic_finalizer): Fix use of attribute.
9132
9133 2005-02-06  Geoffrey Keating  <geoffk@apple.com>
9134
9135         * config.gcc (*-*-darwin*): Separate darwin7 and darwin8 configs.
9136         * config/darwin8.h: New.
9137         * config/darwin7.h: Update comment.
9138
9139 2005-02-03  Leehod Baruch  <leehod@il.ibm.com>
9140             Dorit Naishlos  <dorit@il.ibm.com>
9141
9142         * tree-vectorizer.h (LOC): New type.
9143         (UNKNOWN_LOC, EXPR_LOC, LOC_FILE, LOC_LINE): New macros.
9144         (loop_line_number): New field in struct _loop_vec_info.
9145         (LOOP_VINFO_LOC, LOOP_LOC): New macros.
9146
9147         * tree-vectorizer.c (input.h): Included.
9148         (find_loop_location): New function.
9149         (vect_debug_stats): Argument changed from loop to LOC. Computation of
9150         loop line number removed.
9151         (vect_debug_details): Likewise.
9152         (new_loop_vec_info): Initialize new field LOOP_VINFO_LOC.
9153
9154         (slpeel_make_loop_iterate_ntimes): Call find_loop_location. Argument in
9155         call to vect_debug_details/stats changed from loop to loop_loc.
9156         (slpeel_tree_duplicate_loop_to_edge_cfg): Likewise.
9157         (slpeel_tree_peel_loop_to_edge): Likewise.
9158
9159         (vect_analyze_offset_expr): Argument in call to vect_debug_details/stats
9160         changed from NULL to UNKNOWN_LOC.
9161         (vect_get_base_and_offset):
9162         (vect_create_addr_base_for_vector_ref):
9163         (get_vectype_for_scalar_type):
9164         (vect_create_data_ref_ptr):
9165         (vect_init_vector):
9166         (vect_get_vec_def_for_operand):
9167         (vect_finish_stmt_generation):
9168         (vectorizable_assignment):
9169         (vectorizable_operation):
9170         (vectorizable_store):
9171         (vectorizable_load):
9172         (vect_transform_stmt):
9173         (vect_update_ivs_after_vectorizer):
9174         (vect_do_peeling_for_loop_bound):
9175         (vect_do_peeling_for_alignment):
9176         (vect_transform_loop):
9177         (vect_is_simple_use):
9178         (vect_analyze_operations):
9179         (vect_is_simple_iv_evolution):
9180         (vect_analyze_scalar_cycles):
9181         (vect_analyze_data_ref_dependences):
9182         (vect_compute_data_ref_alignment):
9183         (vect_enhance_data_refs_alignment):
9184         (vect_analyze_data_ref_access):
9185         (vect_analyze_data_ref_accesses):
9186         (vect_analyze_pointer_ref_access):
9187         (vect_get_memtag_and_dr):
9188         (vect_analyze_data_refs):
9189         (vect_mark_relevant):
9190         (vect_stmt_relevant_p):
9191         (vect_mark_stmts_to_be_vectorized):
9192         (vect_can_advance_ivs_p):
9193         (vect_get_loop_niters):
9194         (vect_analyze_loop):
9195         (vectorize_loops): Likewise.
9196
9197         (vectorizable_load): Argument in call to vect_debug_details/stats
9198         changed from loop to LOOP_LOC (loop_vinfo).
9199         (vect_transform_loop):
9200         (vect_analyze_operations):
9201         (vect_analyze_scalar_cycles):
9202         (vect_analyze_data_ref_dependence):
9203         (vect_enhance_data_refs_alignment):
9204         (vect_analyze_data_ref_accesses):
9205         (vect_analyze_pointer_ref_access):
9206         (vect_analyze_data_refs):
9207         (vect_analyze_loop): Likewise.
9208
9209         (vect_analyze_loop_form): Argument in call to vect_debug_details/stats
9210         changed from loop to loop_loc.
9211
9212         (vect_enhance_data_refs_alignment): Removed unused variable loop.
9213
9214 2005-02-03  Leehod Baruch  <leehod@il.ibm.com>
9215             Dorit Naishlos  <dorit@il.ibm.com>
9216
9217         * tree-vectorizer.c (vect_analyze_data_ref_dependence): Function
9218         declaration added.
9219         (vect_analyze_data_ref_dependences): Likewise.
9220
9221         (vect_is_simple_use): Argument changed from loop structure to
9222         loop_vect_info structure.
9223         (vect_can_advance_ivs_p): Likewise.
9224         (vect_create_index_for_vector_ref): Likewise.
9225         (vect_update_ivs_after_vectorizer): Likewise.
9226         (new_stmt_vec_info): Likewise.
9227
9228         (new_loop_vec_info): Second argument in call to new_stmt_vec_info was
9229         changed from loop to loop_vinfo.
9230         (vect_create_data_ref_ptr): First argument in call to
9231         vect_create_index_for_vector_ref was changed from loop to loop_vinfo.
9232         (vectorizable_assignment): Second argument in call to vect_is_simple_use
9233         was changed from loop to loop_vinfo.
9234         (vectorizable_operation): Likewise.
9235         (vectorizable_store): Likewise.
9236         (vect_mark_stmts_to_be_vectorized): Likewise.
9237         (vect_do_peeling_for_loop_bound): First argument in call to
9238         vect_update_ivs_after_vectorizer was changed from loop to loop_vinfo.
9239         (vect_analyze_operations): Argument in call to vect_can_advance_ivs_p
9240         was changed from loop to loop_vinfo.
9241         (vect_analyze_data_ref_dependences): Third argument in call to
9242         vect_analyze_data_ref_dependence was changed from loop to loop_vinfo.
9243
9244         (vect_create_index_for_vector_ref): Get the loop from loop_vinfo.
9245         (vect_create_data_ref_ptr): Likewise.
9246         (vect_init_vector): Likewise.
9247         (vect_get_vec_def_for_operand): Likewise.
9248         (vectorizable_assignment): Likewise.
9249         (vectorizable_operation): Likewise.
9250         (vectorizable_store): Likewise.
9251         (vectorizable_load): Likewise.
9252         (vect_update_ivs_after_vectorizer): Likewise.
9253         (vect_is_simple_use): Likewise.
9254         (vect_analyze_data_ref_dependence): Likewise.
9255         (vect_analyze_pointer_ref_access): Likewise.
9256         (vect_can_advance_ivs_p): Likewise.
9257
9258         * tree-vectorizer.h: (_loop_vec_info): Definition and macros moved
9259         before _stmt_vec_info.
9260         (_stmt_vec_info): Loop field replaced by loop_vec_info.
9261         (STMT_VINFO_LOOP): Replaced with STMT_VINFO_LOOP_VINFO.
9262         (new_stmt_vec_info): Argument changed from loop structure to
9263         loop_vect_info structure
9264
9265         (vect_analyze_data_ref_dependences): Unnecessary line was removed.
9266         (vect_analyze_offset_expr): Avoid 80 columns overflow.
9267         (vect_create_addr_base_for_vector_ref): Likewise.
9268         (vect_analyze_pointer_ref_access): Likewise.
9269
9270 2005-02-03  Andrew Pinski  <pinskia@physics.uc.edu>
9271
9272         PR tree-opt/19768
9273         * tree-ssa-dse.c (fix_phi_uses): Update the occurs in abnormal
9274         phi flag if the phi is abnormal.
9275
9276 2005-02-03  Andrew Pinski  <pinskia@physics.uc.edu>
9277
9278         PR tree-opt/19736
9279         * tree-ssa.c (replace_immediate_uses): Update the immediate_uses
9280         information for the new statement.
9281
9282 2005-02-03  Joseph S. Myers  <joseph@codesourcery.com>
9283
9284         PR driver/19117
9285         * gcc.c (main): Include the target in -v output.
9286
9287 2005-02-03  Alexandre Oliva  <aoliva@redhat.com>
9288
9289         * combine.c (simplify_comparison, case SIGN_EXTEND, ZERO_EXTEND):
9290         Do not drop the extend if we'd have to add a paradoxical subreg
9291         later.  Include optabs.h and insn-codes.h.
9292         * Makefile.in (combine.o): Depend on $(OPTABS_H).
9293
9294 2005-02-02  Roger Sayle  <roger@eyesopen.com>
9295
9296         PR middle-end/19405
9297         * real.h (REAL_MODE_FORMAT_COMPOSITE_P): New macro.
9298         * fold-const.c (const_binop): Avoid constant folding floating
9299         point operations in modes that use composite representations.
9300         * simplify-rtx.c (simplify_binary_operation): Likewise.
9301
9302 2005-02-02  Geoffrey Keating  <geoffk@apple.com>
9303
9304         * config/rs6000/altivec.md (altivec_dst): Make the first operand
9305         a REG, not a MEM.
9306         (altivec_dstt): Likewise.
9307         (altivec_dstst): Likewise.
9308         (altivec_dststt): Likewise.
9309         * config/rs6000/rs6000.c (altivec_expand_dst_builtin): Adjust creation
9310         of first operand.
9311
9312 2005-02-03  Dorit Naishlos  <dorit@il.ibm.com>
9313
9314         * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Copy
9315         EXPR_LOCUS from orig_cond to the new cond_stmt.
9316         (vect_finish_stmt_generation): Copy EXPR_LOCUS from stmt to
9317         the new vec_stmt.
9318
9319 2005-02-03  Dorit Naishlos  <dorit@il.ibm.com>
9320
9321         * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Call
9322         standard_iv_increment_position. Remove call to bsi_next
9323         (no need to bump the iterator anymore).
9324         (vect_create_index_for_vector_ref): Call
9325         standard_iv_increment_position. Remove second function argument.
9326         (vect_finish_stmt_generation): Remove call to bsi_next
9327         (no need to bump the iterator anymore).
9328         (vect_create_data_ref_ptr): Remove second argument (bsi) in call
9329         to vect_create_index_for_vector_ref.
9330
9331 2005-02-03  Dorit Naishlos  <dorit@il.ibm.com>
9332
9333         * tree-vectorizer.c (vect_mark_stmts_to_be_vectorized): Check if
9334         phis are used out of the loop.
9335
9336 2005-02-03  Joseph S. Myers  <joseph@codesourcery.com>
9337
9338         PR c/17807
9339         * c-decl.c (undef_nested_function): New variable.
9340         (pop_scope): Diagnose undefined nested functions.
9341         (finish_function): Don't attempt cgraph processing or genericizing
9342         if current top-level function contained an undefined nested
9343         function.  Reset undef_nested_function at the end of a top-level
9344         function.
9345
9346 2005-02-02  Zdenek Dvorak  <dvorakz@suse.cz>
9347
9348         * tree.c (build_int_cst_type): Take sign of the value into account
9349         when deciding whether sign extend the value.
9350
9351 2005-02-02  Joseph S. Myers  <joseph@codesourcery.com>
9352
9353         PR c/18502
9354         * gcc.c (cpp_unique_options): Remove %{trigraphs}.
9355         (cpp_options, cc1_options): Change %{std*&ansi} to
9356         %{std*&ansi&trigraphs}.
9357
9358 2005-02-02  Kazu Hirata  <kazu@cs.umass.edu>
9359
9360         * cse.c: Update comments.
9361
9362 2005-02-02  Aldy Hernandez  <aldyh@redhat.com>
9363
9364         * config/rs6000/rs6000.c (rs6000_spe_function_arg): Multi-reg
9365         arguments go on the stack.  Do not put complex doubles in odd/even
9366         pairs.
9367
9368 2005-02-02  Steven Bosscher  <stevenb@suse.de>
9369
9370         * doc/invoke.texi: Update the options enabled at -O1, -O2,
9371         and -O3.  Update the documentation for -fgcse-sm, -fgcse-las,
9372         -ftree-pre, and -fthread-jumps.
9373
9374 2005-02-02  Richard Sandiford  <rsandifo@redhat.com>
9375
9376         PR tree-optimization/19578
9377         * tree-flow.h (modified_noreturn_calls): Declare.
9378         (noreturn_call_p): Declare.
9379         * tree-flow-inline.h (noreturn_call_p): New function.
9380         (modify_stmt): Add modified noreturn calls to modified_noreturn_calls.
9381         * tree-cfg.c (modified_noreturn_calls): New variable.
9382         (cleanup_control_flow): Use noreturn_call_p.  Split basic blocks
9383         that contain a mid-block noreturn call.
9384         * tree-ssa.c (delete_tree_ssa): Clear modified_noreturn_calls.
9385
9386 2005-02-02  Kazu Hirata  <kazu@cs.umass.edu>
9387
9388         * df.c (df_def_record_1, df_uses_record): Don't use
9389         DF_FOR_REGALLOC.
9390         * df.h (DF_FOR_REGALLOC): Remove.
9391
9392 2005-02-02  Joseph S. Myers  <joseph@codesourcery.com>
9393
9394         PR c/19435
9395         * c-typeck.c (really_start_incremental_init): Reset
9396         constructor_max_index for arrays of incomplete type.
9397
9398 2005-02-02  Jeff Law  <law@redhat.com>
9399
9400         * gcse.c (struct reg_set): Store the block index where the register
9401         was set rather than the setting insn.
9402         (record_one_set, compute_transp): Corresponding changes.
9403         (pre_insert_copy_insn): Do not call replace_one_set.
9404         (replace_one_set): Remove.
9405
9406 2005-02-02  Joseph S. Myers  <joseph@codesourcery.com>
9407
9408         PR other/15514
9409         * doc/gcov.texi: Fix typo.
9410
9411 2005-02-01  Richard Henderson  <rth@redhat.com
9412
9413         PR target/19680
9414         * config/i386/i386.h (MODES_TIEABLE_P): Use ix86_modes_tieable_p.
9415         * config/i386/i386.c (ix86_hard_regno_mode_ok): Change return
9416         type to bool.
9417         (ix86_tieable_integer_mode_p, ix86_modes_tieable_p): New.
9418         * config/i386/i386-protos.h: Update.
9419
9420 2005-02-01  Steven Bosscher  <stevenb@suse.de>
9421
9422         PR tree-optimization/19217
9423         * tree-cfg.c (verify_expr): Use the data field to see if TP was
9424         seen inside a PHI node.  Do not do the ADDR_EXPR check if it was.
9425         (verify_stmts): Pass (void*)1 as data to verify_expr to signal
9426         that it is walking a PHI node.
9427
9428 2005-02-01  Joseph S. Myers  <joseph@codesourcery.com>
9429
9430         * doc/extend.texi (Nested Functions): Update.
9431
9432 2005-02-01  Richard Henderson  <rth@redhat.com>
9433
9434         PR 19696
9435         * optabs.c (expand_copysign_absneg): Export.
9436         * optabs.h (expand_copysign_absneg): Declare.
9437         * config/rs6000/rs6000.md (copysigntf3): New.
9438
9439 2005-02-01  Diego Novillo  <dnovillo@redhat.com>
9440
9441         PR tree-optimization/19633
9442         * tree-flow.h (struct ptr_info_def): Add field 'pt_null'.
9443         * tree-ssa-alias.c (init_alias_info): Initialize.
9444         (merge_pointed_to_info): Set.
9445         (add_pointed_to_expr): Set pt_null if EXPR is a NULL pointer.
9446         (dump_points_to_info_for): Show value of pt_null.
9447         (struct count_ptr_d): Declare.
9448         (find_ptr_dereference): Remove.
9449         (ptr_is_dereferenced_by): Remove.
9450         (count_ptr_derefs): New local function.
9451         (count_uses_and_derefs): New local function.
9452         (compute_points_to_and_addr_escape): Call it.  If the number
9453         of dereferences is greater than zero, mark the pointer as
9454         dereferenced.  If there are fewer dereferences than uses of
9455         the pointer, the pointer's value escapes.
9456
9457 2005-02-01  Diego Novillo  <dnovillo@redhat.com>
9458
9459         PR tree-optimization/19670
9460         * tree-ssa.c (verify_ssa_name): Don't set TREE_VISITED
9461         here...
9462         (verify_use): ... set it here, instead.
9463
9464 2005-02-01  Janis Johnson  <janis187@us.ibm.com>
9465
9466         * doc/sourcebuild.texi (Test directives): Fix formatting.
9467
9468         * doc/sourcebuild.texi (Test directives): Describe selector
9469         expressions.
9470
9471 2005-02-01  Segher Boessenkool  <segher@kernel.crashing.org>
9472
9473         * config.gcc (powerpc64-*-linux*): Default to -m64 also for
9474         specific 64-bit CPUs.
9475
9476 2005-02-01  Richard Earnshaw  <rearnsha@arm.com>
9477
9478         PR target/16201
9479         * arm.c (arm_eliminable_register): New function.
9480         (adjacent_mem_locations): Don't allow eliminable registers.  Use
9481         HOST_WIDE_INT for address offsets.
9482         * arm-protos.h (arm_eliminable_register): Add prototype.
9483
9484 2005-02-01  Steven Bosscher  <stevenb@suse.de>
9485
9486         PR optimization/15242
9487         * params.def (PARAM_MAX_GOTO_DUPLICATION_INSNS): New param.
9488         * basic-block.h (duplicate_computed_gotos): Add prototype.
9489         * bb-reorder.c (duplicate_computed_gotos): New function to
9490         duplicate sufficiently small blocks ending in a computed jump.
9491         * passes.c (rest_of_compilation): Call duplicate_computed_gotos
9492         if not optimizing for size.
9493         * cfgcleanup.c (try_crossjump_bb): If not optimizing for size,
9494         never do tail merging for blocks ending in a computed jump.
9495         * doc/invoke.texi: Document the max-goto-duplication-insns param.
9496
9497 2005-02-01  Eric Botcazou  <ebotcazou@libertysurf.fr>
9498
9499         Patch from Richard Sandiford <rsandifo@redhat.com>
9500         * reload1.c (choose_reload_regs): Prevent the find_equiv_reg() code
9501         from inheriting a subreg equivalence with a non-spill register.
9502
9503         * tree.h (DECL_FUNCTION_CODE): Document that it is overloaded.
9504
9505 2005-02-01  Alexandre Oliva  <aoliva@redhat.com>
9506
9507         * config/frv/frv.c (movcc_fp_destination_operand): New.
9508         (gpr_or_memory_operand): Fix typo in comment.
9509         (gpr_or_memory_operand_with_scratch): New.
9510         * config/frv/frv.h (PREDICATE_CODES): Add the two new predicates.
9511         * config/frv/frv.md (movcc_fp, movcc_fp_internal): Use
9512         movcc_fp_destination_operand.
9513         (reload_incc_fp): Use gpr_or_memory_operand_with_scratch.
9514         Legitimize memory addresses using a scratch register.
9515
9516 2005-01-31  Jeff Law  <law@redhat.com>
9517
9518         * tree-into-ssa.c (mark_def_sites_global_data): Make KILLS
9519         bitmap a sparse bitmap instead of a simple bitmap.
9520         (mark_def_sites_initialize_block):  Corresponding changes.
9521         (ssa_mark_def_sites_initialize_block): Likewise.
9522         (ssa_mark_phi_uses): Likewise.
9523         (mark_def_site, ssa_mark_def_sites): Likewise.
9524         (mark_def_site_blocks): Likewise.
9525         (rewrite_ssa_into_ssa): Likewise.
9526
9527         * tree-ssa-dom.c (record_cond): Pass correct variable type
9528         for last argument to htab_find_slot_with_hash.
9529
9530         * fold-const.c (fold, case CEIL_MOD_EXPR): Do not lose side
9531         effects when optimizing 0 % X.  Do not try to optimize X % 0.
9532
9533 2005-01-31  James E. Wilson  <wilson@specifixinc.com>
9534
9535         * config/ia64/itanium1.md (1_scall bypass): Change 2_mmalua to
9536         1_mmalua.
9537
9538 2005-02-01  Eric Christopher  <echristo@redhat.com>
9539
9540         * config/mips/mips.c (override_options): Warn if -mint64
9541         is used.
9542         * doc/invoke.texi (MIPS Options): Document that -mint64 is
9543         deprecated.
9544
9545 2005-02-01  Kazu Hirata  <kazu@cs.umass.edu>
9546
9547         * cse.c (cse_reg_info): Remove hash_next, next, regno.  Add
9548         timestamp.
9549         (cse_reg_info_list, cse_reg_info_list_free, REGHASH_SHIFT,
9550         REGHASH_SIZE, REGHASH_MASK, reg_hash, REGHASH_FN,
9551         cached_cse_reg_info, GET_CSE_REG_INFO): Remove.
9552         (cached_regno): Initialize to INVALID_REGNUM.
9553         (cse_reg_info_table_size,
9554         cse_reg_info_table_first_uninitialized,
9555         cse_reg_info_timestamp): New.
9556         (REG_TICK, REG_IN_TABLE, SUBREG_TICKED, REG_QTY): Use
9557         get_cse_reg_info.
9558         (init_cse_reg_info, get_cse_reg_info_1): New.
9559         (get_cse_reg_info): Cache the last look-up.
9560         (new_basic_block): Update the code to clear mappings from
9561         registers to cse_reg_info entries.
9562         (cse_main): Call init_cse_reg_info.
9563
9564         * cse.c (get_cse_reg_info): Update a comment.
9565
9566 2005-01-31  Steven Bosscher  <stevenb@suse.de>
9567
9568         PR c/19333
9569         * c-decl.c (start_decl): Do not warn about arrays of elements with
9570         an incomplete type here.
9571         (grokdeclarator): Do it here by making a pedwarn an error.
9572         * c-typeck.c (push_init_level): If there were previous errors with
9573         the constructor type, do not warn about braces for initializers.
9574         (process_init_element): Likewise for excess initializer elements.
9575
9576 2005-01-31  Kazu Hirata  <kazu@cs.umass.edu>
9577
9578         * cse.c (delete_trivially_dead_insn): Don't iterate.
9579
9580 2005-01-31  Andrew Pinski  <pinskia@physics.uc.edu>
9581
9582         * config/rs6000/rs6000.md (copysignsf3): New expand.
9583         (copysigndf3): Likewise.
9584
9585 2005-01-31  Steven Bosscher  <stevenb@suse.de>
9586
9587         * recog.c (constrain_operands): Only look for earlyclobber operand
9588         conflicts if an '&' constraint was seen.
9589
9590 2005-01-31  Marc Espie <espie@openbsd.org>
9591
9592         * config.gcc: Don't include embedded systems fragment, switches default
9593         debugging format to ELF.
9594         * config/i386/openbsdelf.h: Add DBX_REGISTER_NUMBER since we no
9595         longer pick it up there.
9596
9597 2005-01-31  Dale Johannesen  <dalej@apple.com>
9598
9599         * doc/extend.texi (nested functions): Fix linkage description.
9600         Clarify that static is not allowed.
9601
9602 2005-01-31  Dale Johannesen  <dalej@apple.com>
9603
9604         * config/rs6000/darwin.md (movsf_low_di):  Make work.
9605         (movdf_low_di):  Make work.
9606
9607 2005-01-31  Dale Johannesen  <dalej@apple.com>
9608
9609         * config/rs6000/darwin-tramp.asm (__trampoline_setup):
9610         Make work for 64 bit.
9611
9612 2005-01-31  Roger Sayle  <roger@eyesopen.com>
9613             Dale Johannesen  <dalej@apple.com>
9614
9615         PR middle-end/19650
9616         * fold-const.c (fold_binary_op_with_conditional_arg):
9617         Make types match original operands, before STRIP_NOPS.
9618
9619 2005-01-31  Alan Modra  <amodra@bigpond.net.au>
9620
9621         * config/rs6000/linux-unwind.h (struct gcc_vregs): New.
9622         (struct gcc_regs): Rename from gcc_pt_regs.  Add more regs.
9623         (struct gcc_sigcontext): Delete.  Merge contents to..
9624         (struct gcc_ucontext): ..here.
9625         (get_sigcontext): Delete.
9626         (get_regs): New function, like get_sigcontext but return regs ptr.
9627         64-bit version finds regs from r1 to support vdso.
9628         (ppc_linux_aux_vector): New function.
9629         (ppc_fallback_frame_state): Modify for get_regs.  Restore fprs
9630         and vector regs.
9631
9632 2005-01-31  Ira Rosen  <irar@il.ibm.com>
9633
9634         * tree-vectorizer.c (vect_analyze_offset_expr): Use ssizetype instead
9635         sizetype.
9636         (vect_get_base_and_offset): Use ssizetype instead sizetype. Remove
9637         redundant fold. Fix misalignment for MINUS_EXPR.
9638         (vect_compute_data_ref_alignment): Use ssizetype instead sizetype.
9639         (vect_analyze_pointer_ref_access): Likewise.
9640         (vect_get_memtag_and_dr): Likewise.
9641
9642 2005-01-31  Richard Henderson  <rth@redhat.com>
9643
9644         * config/i386/i386.c (absnegsf2_mixed): Remove all of the # hackery.
9645         (absnegsf2_sse, absnegsf2_i387, absnegdf2_mixed, absnegdf2_sse,
9646         absnegdf2_i387, absnegxf2_i387): Likewise.
9647
9648 2005-01-31  Richard Henderson  <rth@redhat.com>
9649
9650         PR 19696
9651         * optabs.c (expand_copysign_absneg): New.
9652         (expand_copysign_bit): Split out from ...
9653         (expand_copysign): ... here.  Use expand_copysign_absneg.
9654
9655 2005-01-30  Roger Sayle  <roger@eyesopen.com>
9656
9657         PR middle-end/19697
9658         * config/pa/pa.md (anddi3, iordi3): On HPPA64, disallow an integer
9659         constant as the second operand and a register as the third.
9660
9661 2005-01-31  Danny Smith  <dannysmith@users.sourceforge.net>
9662
9663         PR target/19704
9664         * config/i386/i386.c (ix86_function_ok_for_sibcall):  Also check
9665         that dllimport'd functions do not use all call-clobbered registers
9666         to pass parameters.
9667
9668 2005-01-30  Richard Henderson  <rth@redhat.com>
9669
9670         PR 19696
9671         * optabs.c (expand_absneg_bit): Split out from expand_unop and
9672         expand_abs_nojump and generalize.  Use operand_subword and
9673         emit_no_conflict_block.  Support large modes.
9674         (expand_abs_nojump): Use it.  Use HONOR_SIGNED_ZEROS to fall
9675         back to maximum.
9676         (expand_unop): Likewise.  Use HONOR_SIGNED_ZEROS to fall back
9677         negation to subtraction.
9678         (expand_copysign): Check that the format has signed zeros.
9679         Use operand_subword and emit_no_conflict_block.  Support large modes.
9680
9681 2005-01-30  Daniel Berlin  <dberlin@dberlin.org>
9682
9683         Fix PR tree-optimization/19624
9684
9685         * Makefile.in (tree-ssa-pre.o): Add CFGLOOP_H.
9686         * tree-ssa-pre.c: Add cfgloop.h.
9687         Update comment.
9688         (pre_stats): New member, constified.
9689         (inserted_exprs): New static variable.
9690         (NECESSARY): New macro.
9691         (create_expression_by_pieces): Fold the expression, and
9692         mark it as defaulting to not necessary. Also put in
9693         inserted_exprs.
9694         (fully_constant_expression): New function.
9695         (insert_into_preds_of_block): Modify to not insert phis when we
9696         are playing with induction variables.
9697         Push phis onto the inserted_exprs vector, and mark them as not
9698         necessary by default.
9699         (insert_aux): Call fully_constant_expression on eprime.
9700         If all edges produce the same value, mark it constant.
9701         (mark_operand_necessary): New function.
9702         (remove_dead_inserted_code): New function.
9703         (init_pre): Init loop optimizer to get loop info.
9704         (fini_pre): Free loop_optimizer, and inserted_exprs vec.
9705         (execute_pre): Commit edge inserts, then remove dead code.
9706
9707 2005-01-30  Richard Henderson  <rth@redhat.com>
9708
9709         * rtl.c (rtx_equal_p): No early exit for CONST_VECTOR.
9710         * varasm.c (const_rtx_hash_1): Handle CONST_VECTOR.
9711
9712 2005-01-30  Richard Henderson  <rth@redhat.com>
9713
9714         PR target/19700
9715         * config/i386/i386.c (ix86_expand_copysign): New.
9716         (ix86_split_copysign_const): New.
9717         (ix86_split_copysign_var): Rename from ix86_split_copysign,
9718         rearrange op1/nmask operands.
9719         * config/i386/i386-protos.h: Update.
9720         * config/i386/i386.md (copysignsf3): Use ix86_expand_copysign.
9721         (copysigndf3): Likewise.
9722         (copysignsf3_const, copysigndf3_const): New.
9723         (copysignsf3_var): Rename from copysignsf3, split out splitter
9724         and fix split predicate for X constraint.
9725         (copysigndf3_var): Similarly.
9726
9727 2005-01-30  Kazu Hirata  <kazu@cs.umass.edu>
9728
9729         * optabs.c, doc/c-tree.texi, doc/install.texi, doc/md.texi,
9730         doc/passes.texi, doc/rtl.texi, doc/sourcebuild.texi,
9731         doc/tm.texi, doc/tree-ssa.texi: Update copyright.
9732
9733 2005-01-29  Richard Henderson  <rth@redhat.com>
9734
9735         PR target/19690
9736         * config/i386/i386.md (movdf_nointeger, movdf_integer): Fix ordering
9737         of # and * in constraints.
9738
9739 2005-01-29  Richard Henderson  <rth@redhat.com>
9740
9741         PR middle-end/19689
9742         * expr.c (store_field): Don't strip sub-mode cast when the input
9743         data is even smaller.
9744
9745 2005-01-29  Richard Henderson  <rth@redhat.com>
9746
9747         PR middle-end/19687
9748         * expr.c (categorize_ctor_elements_1): Check for CONSTRUCTOR of a
9749         union being empty.
9750
9751 2005-01-29  Richard Henderson  <rth@redhat.com>
9752
9753         * combine.c (make_field_assignment): Fix argument order
9754         to gen_int_mode.
9755
9756 2005-01-29  Richard Guenther <richard.guenther@uni-tuebingen.de>
9757
9758         PR tree-optimization/15791
9759         * fold-const.c (extract_array_ref): New function.
9760         (fold): Fold comparisons between &a[i] and &a[j] or
9761         semantically equivalent trees.
9762
9763 2005-01-29  Jeff Law  <law@redhat.com>
9764
9765         * gcse.c (insert_expr_in_table): Revamp handling of available
9766         and anticipatable occurrence lists to avoid unnecessary list
9767         walking.
9768         (insert_set_in_table): Similarly.
9769
9770 2005-01-29  Joseph S. Myers  <joseph@codesourcery.com>
9771
9772         * c-common.c (fix_string_type): Just use c_build_qualified_type to
9773         build string type.
9774         (c_build_qualified_type): Build qualified array types with
9775         TYPE_MAIN_VARIANT pointing to corresponding unqualified type.
9776         * c-decl.c (c_make_fname_decl): Build unqualified array type
9777         before qualified type.
9778         (grokdeclarator): Use TYPE_MAIN_VARIANT of typedef type if element
9779         type is qualified, not just if type itself is.  Don't apply
9780         qualifiers to array type when declarator is processed.  Apply
9781         qualifiers to field type whether or not it is an array type.
9782         Don't handle array types specially for applying qualifiers to
9783         variables.
9784         * c-typeck.c (composite_type): Build unqualified element type and
9785         array type when forming composite of array types.
9786         (common_pointer_type, comptypes, comp_target_types,
9787         type_lists_compatible_p, build_indirect_ref, build_array_ref,
9788         convert_for_assignment): Don't apply TYPE_MAIN_VARIANT to array
9789         types.
9790         (type_lists_compatible_p): Cache TREE_VALUE (args1) and TREE_VALUE
9791         (args2) in variables a1 and a2.
9792
9793 2005-01-29  Kazu Hirata  <kazu@cs.umass.edu>
9794
9795         * cse.c (n_elements_made, max_elements_made): Remove.
9796         (insert): Don't touch n_elements_made.
9797         (cse_main): Don't touch n_elements_made or max_elements_made.
9798
9799 2005-01-28  Stephane Carrez  <stcarrez@nerim.fr>
9800
9801         PR target/15384
9802         * config/m68hc11/t-m68hc11-gas (dp-bit.c): Fix typo causing a
9803         configuration part of dp-bit.c to be lost.
9804
9805 2005-01-28  Roger Sayle  <roger@eyesopen.com>
9806
9807         * expmed.c (expand_mult_highpart_optab): When attempting to use
9808         a non-widening multiplication in a wider mode, the operands need
9809         to be converted (zero or sign extended) to that mode.
9810
9811 2005-01-28  Ian Lance Taylor  <ian@airs.com>
9812
9813         PR middle-end/16558
9814         PR middle-end/19583
9815         * gimple-low.c (block_may_fallthru): TRY_FINALLY_EXPR only falls
9816         through if both operands fall through.
9817
9818 2005-01-28  Kazu Hirata  <kazu@cs.umass.edu>
9819
9820         * cse.c (fold_rtx) <PC>: Don't optimize.
9821
9822 2005-01-28  Jeff Law  <law@redhat.com>
9823
9824         * fold-const.c (fold, case CEIL_MOD_EXPR): Optimize 0 % X.
9825         (case FLOOR_MOD_EXPR, ROUND_MOD_EXPR, TRUNC_MOD_EXPR): Similarly.
9826
9827 2005-01-28  Kazu Hirata  <kazu@cs.umass.edu>
9828
9829         * cse.c (cse_reg_info_free_list, cse_reg_info_used_list,
9830         cse_reg_info_used_list_end): Remove.
9831         (cse_reg_info_list, cse_reg_info_list_free): New.
9832         (get_cse_reg_info): When allocating an instance of
9833         cse_reg_info, add it to the beginning of the cse_reg_info_list
9834         list.  Remove code to maintain cse_reg_info_used_list.
9835         (new_basic_block): Reset the free list to the beginning of
9836         cse_reg_info_list.
9837
9838 2005-01-28  Richard Sandiford  <rsandifo@redhat.com>
9839
9840         * config/frv/frv.c (bdesc_2arg): Remove __MDPACKH.
9841         (frv_init_builtins): Change its prototype to take 4 uhalf arguments.
9842         (frv_expand_mdpackh_builtin): New function.
9843         (frv_expand_builtin): Use it to expand __MDPACKH.
9844         * doc/extend.texi (__MDPACKH): Update documentation.
9845
9846 2005-01-28  Uros Bizjak  <uros@kss-loka.si>
9847
9848         * config/i386/i386.c (ix86_expand_fp_absneg_operator): Use
9849         SSE_FLOAT_MODE_P for use_sse computation.
9850
9851 2005-01-28  Ralf Corsepius  <ralf.corsepius@rtems.org>
9852
9853         PR target/19663
9854         * config/sparc/rtemself.h (LINK_GCC_C_SEQUENCE_SPEC): undefine.
9855
9856 2005-01-27  Richard Henderson  <rth@redhat.com>
9857
9858         * builtins.c (expand_builtin_copysign): New.
9859         (expand_builtin): Call it.
9860         * genopinit.c (optabs): Add copysign_optab.
9861         * optabs.c (init_optabs): Initialize it.
9862         (expand_copysign): New.
9863         * optabs.h (OTI_copysign, copysign_optab): New.
9864         (expand_copysign): Declare.
9865
9866         * config/alpha/alpha.md (UNSPEC_COPYSIGN): New.
9867         (copysignsf3, ncopysignsf3, copysigndf3, ncopysigndf3): New.
9868
9869         * config/i386/i386.c (ix86_build_signbit_mask): Split from ...
9870         (ix86_expand_fp_absneg_operator): ... here.
9871         (ix86_split_copysign): New.
9872         * config/i386/i386-protos.h: Update.
9873         * config/i386/i386.md (UNSPEC_COPYSIGN): New.
9874         (copysignsf3, copysigndf3): New.
9875
9876         * config/ia64/ia64.md (UNSPEC_COPYSIGN): New.
9877         (copysignsf3, ncopysignsf3): New.
9878         (copysigndf3, ncopysigndf3): New.
9879         (copysignxf3, ncopysignxf3): New.
9880         * config/ia64/ia64.c (rtx_needs_barrier): Handle UNSPEC_COPYSIGN.
9881
9882 2005-01-27  Arend Bayer  <arend.bayer@web.de>
9883             Kazu Hirata  <kazu@cs.umass.edu>
9884
9885         * cse.c: (find_best_addr): Don't call copy_rtx before calling
9886         fold_rtx.  Save cost recomputation if fold_rtx did nothing.
9887         (fold_rtx) <ASM_OPERANDS>: Don't do anything if INSN is
9888         NULL_RTX.
9889
9890 2005-01-27  Jeff Law  <law@redhat.com>
9891
9892         * tree-into-ssa.c (ssa_rewrite_initialize_block): Do not register
9893         definitions of SSA_NAMEs which are not being rewritten.
9894         (rewrite_ssa_into_ssa): Only initialize the current definition
9895         of an SSA_NAME if that SSA_NAME has been marked for rewriting.
9896         If checking is enabled, assert that SSA_NAME_AUX is clear for all
9897         SSA_NAMEs before returning.
9898
9899 2005-01-27  Kazu Hirata  <kazu@cs.umass.edu>
9900
9901         * c-common.def, c-dump.c, c-gimplify.c, c-objc-common.c,
9902         cfgexpand.c, dbxout.c, function.h, opts.c, tree-flow-inline.h,
9903         tree-ssa-operands.h, tree-ssa-threadupdate.c, tree-tailcall.c,
9904         config/avr/avr.md, config/cris/aout.h, config/cris/cris.h,
9905         config/mips/iris6.h, config/sh/sh.c: Update copyright.
9906
9907 2005-01-27  Steven Bosscher  <stevenb@suse.de>
9908
9909         PR middle-end/17278
9910         * opts.c (decode_options): Move flag_thread_jumps from -O1 and
9911         higher to -O2 and higher.  Likewise for tree PRE.
9912         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Only iterate at -O2
9913         and better.
9914
9915 2005-01-27  Ian Lance Taylor  <ian@airs.com>
9916
9917         PR middle-end/19583
9918         * gimple-low.c (try_catch_may_fallthru): New static function.
9919         (block_may_fallthru): Handle TRY_CATCH_EXPR.
9920         * tree-inline.c (expand_call_inline): Don't warn about reaching
9921         the end of a non-void function being inlined if the function uses
9922         a return slot.
9923
9924 2005-01-27  Jakub Jelinek  <jakub@redhat.com>
9925
9926         * config/i386/i386.h (CALL_USED_REGISTERS): Fix comment pastos.
9927
9928         PR c/18946
9929         * c-decl.c (warn_if_shadowing): Handle old_decl error_mark_node.
9930         (pushdecl): Only use DECL_FILE_SCOPE_P if DECL_P.
9931         (implicitly_declare): Handle error_mark_node.
9932
9933 2005-01-27  Richard Henderson  <rth@redhat.com>
9934
9935         PR tree-opt/14329
9936         * tree.h (struct tree_decl): Add debug_expr_is_from.
9937         (DECL_DEBUG_EXPR_IS_FROM): New.
9938         (DECL_DEBUG_EXPR): Rename from DECL_DEBUG_ALIAS_OF.
9939         * dwarf2out.c (dwarf2out_var_location): Update to match.
9940         * tree-outof-ssa.c (create_temp): Likewise.
9941         * var-tracking.c (track_expr_p): Likewise.
9942         * tree-sra.c (instantiate_element): Set DECL_DEBUG_EXPR.
9943         * c-objc-common.c (c_tree_printer) <'D'>: Handle DECL_DEBUG_EXPR.
9944         * toplev.c (default_tree_printer): Likewise.
9945
9946 2005-01-27  Alexandre Oliva  <aoliva@redhat.com>
9947
9948         * config/frv/frv.c (frv_class_likely_spilled_p): Add GR8_REGS,
9949         GR9_REGS, GR89_REGS, FDPIC_FPTR_REGS, FDPIC_REGS.
9950
9951 2005-01-27  Steven Bosscher  <stevenb@suse.de>
9952
9953         * tree.h (SWITCH_COND, SWITCH_BODY, SWITCH_LABELS, CASE_LOW,
9954         CASE_HIGH, CASE_LABEL, ASM_STRING, ASM_OUTPUTS, ASM_INPUTS,
9955         ASM_CLOBBERS): Add tree checks.
9956
9957         * c-common.h (SWITCH_TYPE): Rename to SWITCH_STMT_TYPE.
9958         (SWITCH_STMT_COND, SWITCH_STMT_BODY): New.
9959         * c-common.def (SWITCH_STMT): Update to match.
9960         * c-common.c (c_do_switch_warnings): Use SWITCH_STMT accessor
9961         macros instead of SWITCH_EXPR ones.
9962         * c-dump.c (c_dump_tree): Likewise.
9963         * c-gimplify.c (gimplify_switch_stmt): Likewise.
9964         * c-typeck.c (c_start_case, do_case, c_finish_case): Likewise.
9965
9966         * doc/c-tree.texi (SWITCH_STMT): Update accessor macro names.
9967
9968 2005-01-27  Alan Modra  <amodra@bigpond.net.au>
9969
9970         * unwind-dw2.c (execute_stack_op): Add missing cases for
9971         DW_OP_shl, DW_OP_shr, DW_OP_shra, DW_OP_xor.
9972
9973 2005-01-27  Eric Botcazou  <ebotcazou@libertysurf.fr>
9974
9975         * config.gcc (Obsolete configurations): Remove 'dummy', add
9976         sparclite-*-coff*, sparclite-*-elf*, sparc86x-*-elf* and
9977         sparc-*-openbsd*.
9978
9979 2005-01-26  Diego Novillo  <dnovillo@redhat.com>
9980
9981         PR tree-optimization/19633
9982         * tree-ssa-alias.c (ptr_is_dereferenced_by): Also handle
9983         CALL_EXPRs.
9984         (maybe_create_global_var): Do not create .GLOBAL_VAR if there
9985         are no call-clobbered variables.
9986         * tree-outof-ssa.c (check_replaceable): Return false for calls
9987         with side-effects.
9988
9989 2005-01-26  Ulrich Weigand  <uweigand@de.ibm.com>
9990
9991         * dbxout.c (dbxout_symbol_location): Resolve constant pool references
9992         even for variables with NULL DECL_INITIAL.
9993
9994 2005-01-26  Stuart Hastings  <stuart@apple.com>
9995
9996         * gimplify.c (shortcut_cond_expr): Re-compute side-effects.
9997
9998 2005-01-26  Richard Henderson  <rth@redhat.com>
9999
10000         PR middle-end/18008
10001         * c-decl.c (finish_struct): Set DECL_MODE after resetting a
10002         field's type.
10003         * expr.c (store_field): Strip conversions to odd-bit-sized types
10004         if the destination field width matches.
10005
10006 2005-01-26  Richard Henderson  <rth@redhat.com>
10007
10008         * c-decl.c, expmed.c, expr.c: Revert last change.
10009
10010 2005-01-26  Richard Henderson  <rth@redhat.com>
10011
10012         PR middle-end/18008
10013         * c-decl.c (finish_struct): Set DECL_MODE after resetting a
10014         field's type.
10015         * expmed.c (store_fixed_bit_field): Create a paradoxical subreg
10016         if we don't need the bits above those present in the current mode.
10017         * expr.c (store_field): Strip conversions to odd-bit-sized types
10018         if the destination field width matches.
10019
10020 2005-01-26  Richard Sandiford  <rsandifo@redhat.com>
10021
10022         * config/mips/iris6.h (ENDFILE_SPEC): Don't link in irix-csr.o if
10023         either -ffast-math or -funsafe-math-optimizations is in use.
10024
10025 2005-01-26  Marek Michalkiewicz  <marekm@amelek.gda.pl>
10026
10027         PR target/19293
10028         PR target/19329
10029         * config/avr/avr.c (notice_update_cc): Only set condition code for
10030         ashrqi3 if shift count > 0.
10031         (out_shift_with_cnt): Handle shift count <= 0 as a no-op.
10032         (ashlqi3_out, ashlhi3_out, ashlsi3_out, ashrqi3_out, ashrhi3_out,
10033         ashrsi3_out, lshrqi3_out, lshrhi3_out, lshrsi3_out): Handle shift
10034         count <= 0 as a no-op, and shift count >= width by copying zero
10035         or sign bit to all bits of the result.
10036         * config/avr/avr.md (all shifts): Add alternatives for zero shift
10037         count, with attribute "length" set to 0 and "cc" set to "none".
10038
10039 2005-01-26  Aldy Hernandez  <aldyh@redhat.com>
10040
10041         * doc/invoke.texi: Document -mTLS.
10042
10043         * testsuite/gcc.target/frv/all-tls-global-dynamic.c: New.
10044         * testsuite/gcc.target/frv/all-tls-initial-exec.c: New.
10045         * testsuite/gcc.target/frv/all-tls-initial-exec-pic.c: New.
10046         * testsuite/gcc.target/frv/all-tls-local-dynamic.c: New.
10047         * testsuite/gcc.target/frv/all-tls-local-dynamic-plt.c: New.
10048         * testsuite/gcc.target/frv/all-tls-local-dynamic-plt-pic.c: New.
10049         * testsuite/gcc.target/frv/all-tls-local-exec.c: New.
10050         * testsuite/gcc.target/frv/all-tls-local-exec-TLS.c: New.
10051
10052         * configure.ac: Check for a TLS capable gas.
10053
10054         * configure: Regenerate.
10055
10056 2005-01-26  Richard Henderson  <rth@redhat.com>
10057
10058         PR middle-end/18008
10059         * combine.c (make_field_assignment): Simplify store to zero_extract
10060         from a source with an overlapping mask.
10061
10062 2005-01-26  Aldy Hernandez  <aldyh@redhat.com>
10063
10064         2004-11-11  Eric Christopher  <echristo@redhat.com>
10065
10066         * config/frv/frv.md: Add fr400_integer automaton. Don't
10067         allow TYPE_MUL, TYPE_MACC, or TYPE_CUT to issue in parallel
10068         to TYPE_MACC.
10069
10070 2005-01-26  Steven Bosscher  <stevenb@suse.de>
10071
10072         PR middle-end/16585
10073         * cfgbuild.c (make_edges): Do not clear or set
10074         current_function_has_computed_jump.
10075         * function.h (struct function): Remove the has_computed_jump field.
10076         (current_function_has_computed_jump): Do not define.
10077         * sched-rgn.c (is_cfg_nonregular): Return true if a basic block ends
10078         in a computed jump.  Ignore current_function_has_computed_jump.
10079
10080 2005-01-26  Richard Henderson  <rth@redhat.com>
10081
10082         PR middle-end/19515
10083         * expr.c (categorize_ctor_elements): New argument p_must_clear.
10084         (categorize_ctor_elements_1): Likewise.  Detect a union that isn't
10085         fully initialized.
10086         (mostly_zeros_p): Update for new categorize_ctor_elements argument.
10087         * gimplify.c (gimplify_init_constructor): Likewise.  Only shove
10088         objects into static storage if they have more than one non-zero value.
10089         * tree.h (categorize_ctor_elements): Update decl.
10090
10091 2005-01-26  Steven Bosscher  <stevenb@suse.de>
10092
10093         PR middle-end/19616
10094         * tree.h (CALL_EXPR_TAILCALL): Add comment.
10095         * calls.c (check_sibcall_argument_overlap_1): Revert the change
10096         to this function from 2004-07-10.
10097         * tree-tailcall.c (suitable_for_tail_opt_p): Do not consider the
10098         the current function for tail call optimizations if the address
10099         of one of it its arguments is taken.
10100
10101 2005-01-26  Kazu Hirata  <kazu@cs.umass.edu>
10102
10103         * cse.c (fold_rtx): Call equiv_constant only when necessary.
10104
10105 2005-01-26  Bernd Schmidt  <bernd.schmidt@analog.com>
10106
10107         * function.c (expand_function_end): If current_function_calls_alloca,
10108         emit stack restore in a place that is reached when the function falls
10109         through at the end.
10110
10111 2005-01-26  Alexandre Oliva  <aoliva@redhat.com>
10112
10113         * Makefile.in (../$(build_subdir)/fixincludes/fixincl): Add dummy
10114         rule to avoid matching inappropriate suffix rule.
10115
10116 2005-01-26  Jan Hubicka  <jh@suse.cz>
10117
10118         PR tree-optimization/19241
10119         * tree-inline.c (copy_body_r): Do not walk subtrees after substituting.
10120
10121 2005-01-26  Hans-Peter Nilsson  <hp@axis.com>
10122
10123         * config/cris/cris.h (LIB_SPEC) <sim*>: Use -lsyslinux, not
10124         -lsyssim.  Wrap -lc -lsyssim in --start-group --end-group instead
10125         of doubling.
10126         (STARTFILE_SPEC): Add crti.o, before crtbegin.o.
10127         <sim*>: Always use crt1.o, regardless of N in simN.
10128         <!sim>: Drop support for -pg and -p variants; always use crt0.o.
10129         (ENDFILE_SPEC): Add crtn.o, after crtend.o.
10130         (CRT_CALL_STATIC_FUNCTION): Remove.
10131         * config/cris/aout.h (STARTFILE_SPEC): <!melinux && sim*>: Always
10132         use crt1.o, regardless of N in simN.
10133         <!sim>: Drop support for -pg and -p variants; always use crt0.o.
10134         (LIB_SPEC): Do not define; default to the one in config/cris/cris.h.
10135         (CRIS_CPP_SUBTARGET_SPEC) <melinux && !nostdinc>: Remove special
10136         case isystem setting.
10137         (MAX_OFILE_ALIGNMENT): Correct to 32, not 16.
10138
10139 2005-01-25  Ian Lance Taylor  <ian@airs.com>
10140
10141         * gimple-low.c (block_may_fallthru): Correct handling of
10142         SWITCH_EXPR--may fall through if SWITCH_LABELS is NULL.
10143
10144 2005-01-26  Hans-Peter Nilsson  <hp@axis.com>
10145
10146         * config/cris/cris.h (CPP_SPEC): Adjust the various mtune=
10147         handlers to match indentation; nested under the mtune=* handler.
10148         Similar for mcpu= and march=.
10149
10150 2005-01-25  Daniel Jacobowitz  <dan@codesourcery.com>
10151
10152         * config/mips/linux.h (LIB_SPEC): Remove -rpath-link.
10153         * config/mips/linux64.h (LIB_SPEC): Likewise.
10154         * config/mn10300/linux.h (LIB_SPEC): Likewise.
10155         * config/sh/linux.h (LIB_SPEC): Likewise.
10156
10157 2005-01-25  Aldy Hernandez  <aldyh@redhat.com>
10158
10159         * config/frv/frv.c (frv_legitimize_tls_address): New.
10160         (TARGET_HAVE_TLS): Define.
10161         (FRV_SYMBOL_REF_TLS_P): Define.
10162         (frv_override_options): Handle new register classes.
10163         (frv_legitimate_address_p): Reject tls addresses.
10164         (frv_legitimize_address): Handle TLS addresses.
10165         (gen_inlined_tls_plt): New.
10166         (gen_tlsmoff): New.
10167         (frv_legitimize_tls_address): New.
10168         (unspec_got_name): Add TLS entries.
10169         (got12_operand): Add R_FRV_TLSMOFF12 case.
10170         (frv_emit_move): Fixup TLS addresses.
10171         (frv_emit_movsi): Legitimize TLS addresses.
10172
10173         * config/frv/frv.h (MASK_BIG_TLS): New.
10174         (TARGET_BIG_TLS): New.
10175         (HAVE_AS_TLS): Define.
10176         (TARGET_SWITCHES): Add -mTLS and -mtls options.
10177         (enum reg_class): Add GR8_REGS, GR9_REGS, GR89_REGS.
10178         (REG_CLASS_NAMES): Same.
10179         (REG_CLASS_CONTENTS): Same.
10180         (CONSTRAINT_LEN): New.
10181         (REG_CLASS_FROM_CONSTRAINT): New.
10182         (PREDICATE_CODES): Add symbolic_operand.
10183
10184         * config/frv/frv.md (define_constants): Add UNSPEC_GETTLSOFF,
10185         UNSPEC_TLS_LOAD_GOTTLSOFF12, UNSPEC_TLS_INDIRECT_CALL,
10186         UNSPEC_TLS_TLSDESC_LDD, UNSPEC_TLS_TLSDESC_LDD_AUX,
10187         UNSPEC_TLS_TLSOFF_LD, UNSPEC_TLS_LDDI, UNSPEC_TLSOFF_HILO,
10188         R_FRV_GOTTLSOFF_HI, R_FRV_GOTTLSOFF_LO, R_FRV_TLSMOFFHI,
10189         R_FRV_TLSMOFFLO, R_FRV_TLSMOFF12, R_FRV_TLSDESCHI,
10190         R_FRV_TLSDESCLO, R_FRV_GOTTLSDESCHI, R_FRV_GOTTLSDESCLO, GR8_REG,
10191         GR9_REG, GR14_REG, LRREG.
10192         (type): Add load_or_call attribute.
10193         ("load_or_call"): New reservation.
10194         ("call_gettlsoff"): New.
10195         ("tls_indirect_call"): New.
10196         ("tls_load_gottlsoff12"): New.
10197         ("tlsoff_hilo"): New.
10198         ("tls_tlsdesc_ldd"): New.
10199         ("tls_tlsoff_ld"): New.
10200         ("tls_lddi"): New.
10201
10202         * config/frv/frv-protos.h (symbolic_operand): Protoize.
10203
10204         2005-01-25  Alexandre Oliva  <aoliva@redhat.com>
10205
10206         * config/frv/frv.h (ASM_OUTPUT_DWARF_DTPREL): Define.
10207         * config/frv/frv-protos.h (frv_output_dwarf_dtprel): Declare.
10208         * config/frv/frv.c (TLS_BIAS): Define.
10209         (frv_output_dwarf_dtprel): New.
10210
10211 2005-01-26  Jakub Jelinek  <jakub@redhat.com>
10212
10213         PR rtl-optimization/19579
10214         * ifcvt.c (noce_try_cmove_arith): If emitting instructions to set up
10215         both A and B, see if they don't clobber registers the other expr uses.
10216
10217 2005-01-25  J"orn Rennecke <joern.rennecke@st.com>
10218
10219         * real.c (do_add): Initialize signalling and canonical members.
10220
10221         * real.c (real_from_integer): Zero out destination.
10222
10223 2005-01-18  Jan Hubicka  <jh@suse.cz>
10224
10225         PR tree-optimize/19337
10226         * tree-inline.c (initialize_inlined_parameters): Copy
10227         saved_static_chain_decl only.
10228
10229 2005-01-25  Richard Henderson  <rth@redhat.com>
10230
10231         PR target/19556
10232         PR target/19584
10233         * config/i386/i386.c (x86_inter_unit_moves): Zero.
10234         (ix86_preferred_reload_class): Rewrite fp-constant section, with
10235         80387 enabled, to return a proper subclass.  Return the subset that
10236         overlaps with GENERAL_REGS for PLUS.
10237         * config/i386/i386.md (movsi_1, movdi_2): Set type to "mmx" for pxor.
10238
10239 2005-01-25  Richard Henderson  <rth@redhat.com>
10240
10241         PR middle-end/19609
10242         * tree-complex.c (expand_complex_div_wide): Use the correct formulae.
10243
10244 2005-01-25  Roger Sayle  <roger@eyesopen.com>
10245
10246         * expmed.c (choose_multiplier): Change interface to return the
10247         multiplier lowpart as an rtx instead of an unsigned HOST_WIDE_INT.
10248         (expand_divmod): Update calls to choose_multiplier.
10249
10250 2005-01-24  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
10251
10252         PR middle-end/19330
10253         * expmed.c (extract_bit_field): Use adjust_address instead of
10254         gen_lowpart when op0 is a MEM.
10255
10256 2005-01-24  Steven Bosscher  <stevenb@suse.de>
10257
10258         * cfgexpand.c (expand_gimple_tailcall): Fix typo.
10259
10260 2005-01-24  Richard Sandiford  <rsandifo@redhat.com>
10261
10262         * config/mips/irix-csr.c: New file.
10263         * config/mips/t-iris6 (irix-csr.o): New rule to build it.
10264         (EXTRA_MULTILIB_PARTS): Add irix-csr.o.
10265         * config/mips/iris6.h (ENDFILE_SPEC): Include it in n32 and n64
10266         executables.
10267
10268 2005-01-24  Eric Botcazou  <ebotcazou@libertysurf.fr>
10269
10270         PR bootstrap/19364
10271         * config.gcc (sparc-*-elf*): Remove sol2.h, sparc/sol2.h and
10272         sparc/elf.h, add sparc/sp-elf.h.
10273         (sparc-*-rtems*): Likewise.
10274         (sparclite-*-elf*): Remove sol2.h, sparc/sol2.h, sparc/elf.h and
10275         tm-dwarf2.h, add sparc/sp-elf.h.
10276         (sparc86x-*-elf): Likewise.
10277         (sparc64-*-elf*): Remove sol2.h, sparc/sol2.h and tm-dwarf2.h.
10278         * config/sparc/liteelf.h (TARGET_SUB_OS_CPP_BUILTINS): Rename into
10279         TARGET_OS_CPP_BUILTINS.
10280         * config/sparc/sp86x-elf (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
10281         * config/sparc/rtemself.h (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
10282         Undefine it.
10283         * config/sparc/openbsd64.h (NO_IMPLICIT_EXTERN_C): Undefine.
10284         * config/sparc/sp64-elf.h (NO_IMPLICIT_EXTERN_C): New macro.
10285         (SWITCH_TAKES_ARG): Likewise.
10286         (LOCAL_LABEL_PREFIX): Likewise.
10287         (ASM_GENERATE_INTERNAL_LABEL): Likewise.
10288         (TARGET_N_FORMAT_TYPES): Delete.
10289         (TARGET_FORMAT_TYPES): Likewise.
10290         (ASM_DECLARE_FUNCTION_SIZE): Likewise.
10291         * config/sparc/elf.h: Delete.
10292         * config/sparc/sp-elf.h: New file.
10293
10294 2005-01-24  Kazu Hirata  <kazu@cs.umass.edu>
10295
10296         * tree-flow-inline.h (phi_arg_from_edge): Remove.
10297         * tree-flow.h: Remove the corresponding prototype.
10298         * tree-ssa-operands.h, tree-ssa-threadupdate.c, tree-ssa.c,
10299         tree-vectorizer.c: Use dest_idx instead of phi_arg_from_edge.
10300
10301 2005-01-24  Jakub Jelinek  <jakub@redhat.com>
10302
10303         PR target/17751
10304         * config/rs6000/rs6000.c (rs6000_file_start): Create toc section
10305         for AIX ABI or ELF -fPIC.
10306         (rs6000_emit_load_toc_table): Don't create toc_section here.
10307         (rs6000_xcoff_file_start): Nor here.
10308
10309 2005-01-24  J"orn Rennecke <joern.rennecke@st.com>
10310
10311         * sh.c (ra.h): Don't #include.
10312         (hard_regs_intersect_p): New function, resurrected from ra.c.
10313
10314         * sh.c: Fix 1996 Copyright.
10315
10316 2005-01-24  Richard Henderson  <rth@redhat.com>
10317             Aldy Hernandez  <aldyh@redhat.com>
10318
10319         * regrename.c (note_sets): Handle subregs.
10320
10321 2005-01-24  Joseph S. Myers  <joseph@codesourcery.com>
10322
10323         PR bootstrap/18058
10324         * genconditions.c (write_header, write_conditions): Elide file if
10325         not GCC >= 3.0.1.
10326
10327 2005-01-24  Kazu Hirata  <kazu@cs.umass.edu>
10328
10329         * c-opts.c, expmed.c, gengtype.c, tree-complex.c,
10330         config/arm/iwmmxt.md, config/avr/avr.c, config/s390/s390.h:
10331         Update copyright.
10332
10333 2005-01-24  Jakub Jelinek  <jakub@redhat.com>
10334
10335         * builtins.c (get_pointer_alignment, gimplify_va_arg_expr,
10336         expand_builtin_printf, expand_builtin_fprintf,
10337         expand_builtin_sprintf): Use POINTER_TYPE_P instead TREE_CODE
10338         checking against POINTER_TYPE.
10339         (validate_arglist): Handle POINTER_TYPE code by checking
10340         POINTER_TYPE_P.
10341
10342 2005-01-24  Paolo Bonzini  <bonzini@gnu.org>
10343
10344         * rtlanal.c (non_rtx_starting_operands, for_each_rtx_1,
10345         init_rtlanal): New.
10346         (for_each_rtx): Call for_each_rtx_1.
10347         * rtl.h (init_rtlanal): Declare.
10348         * toplev.c (backend_init): Call init_rtlanal.
10349
10350 2005-01-24  Jakub Jelinek  <jakub@redhat.com>
10351
10352         * flow.c (propagate_one_insn): Formatting.
10353
10354         PR middle-end/19551
10355         * flow.c (libcall_dead_p): Be more conservative if unsure.
10356         If there are any instructions between insn and call, see if they are
10357         all dead before saying the libcall is dead.
10358
10359 2005-01-24  Uros Bizjak  <uros@kss-loka.si>
10360
10361         * config/i386/i386.md (*extendsfdf2_sse): Use "nonimmediate_operand"
10362         operand constraint for operand 0.
10363
10364 2005-01-23  Richard Henderson  <rth@redhat.com>
10365
10366         PR 19486
10367         * tree-complex.c (expand_complex_div_wide): Set EDGE_FALLTHRU on
10368         edges leading to join block.
10369
10370 2005-01-23  Roger Sayle  <roger@eyesopen.com>
10371
10372         * expmed.c (expand_mult_highpart): Make static.  Change type of
10373         constant multiplier argument from unsigned HOST_WIDE_INT to rtx.
10374         (expand_divmod): Updates calls to expand_mult_highpart by using
10375         gen_int_mode to pass a CONST_INT rtx.
10376         * rtl.h (expand_mult_highpart): Remove prototype.
10377
10378 2005-01-23  Kazu Hirata  <kazu@cs.umass.edu>
10379
10380         * flow.c (regset_bytes, regset_size): Remove.
10381
10382         * cfganal.c: Fix a reference to Harvey's paper.
10383
10384 2005-01-23  Steven Bosscher  <stevenb@suse.de>
10385
10386         PR rtl-optimization/19464
10387         * tree-optimize.c (init_tree_optimization_passes): Add one more
10388         copyrename pass just before out-of-ssa.
10389
10390 2005-01-23  Joseph S. Myers  <joseph@codesourcery.com>
10391
10392         PR bootstrap/18058
10393         * recog.c (recog_memoized): Don't define if GENERATOR_FILE.
10394         * ggc-none.c (ggc_free): Define.
10395
10396 2005-01-23  Kazu Hirata  <kazu@cs.umass.edu>
10397
10398         * cse.c (max_reg, max_insn_uid): Remove.
10399         (cse_main): Don't access max_reg or max_insn_uid.
10400
10401         * c-common.c (explicit_flag_signed_bitfields,
10402         lang_statement_code_p, lang_expand_function_end): Remove.
10403         * c-common.h: Remove the corresponding declarations.
10404         * c-opts.c (c_common_handle_option): Remove all write access
10405         to explicit_flag_signed_bitfields.
10406
10407         * cgraph.c (cgraph_varpool_n_nodes): Remove.
10408         (cgraph_varpool_node): Don't access cgraph_varpool_n_nodes.
10409         * cgraph.h: Remove the corresponding declaration.
10410
10411         * gcse.c (null_pointer_info): Remove.
10412
10413 2005-01-23  Roger Sayle  <roger@eyesopen.com>
10414             Eric Botcazou  <ebotcazou@libertysurf.fr>
10415
10416         * combine.c (simplify_logical): Only simplify logical expressions
10417         of the form ior(and(x,y),z) by the inverse distributive law if the
10418         result is cheaper than the original.
10419
10420 2005-01-23  Kazu Hirata  <kazu@cs.umass.edu>
10421
10422         * alias.c, c-common.h, c-incpath.c, c-incpath.h, expr.c,
10423         fold-const.c, gimplify.c, params.h, tree-data-ref.c,
10424         tree-if-conv.c, tree-nested.c, tree-outof-ssa.c,
10425         tree-ssa-dom.c, tree-vectorizer.c, tree.def, config/darwin.c,
10426         config/freebsd-spec.h, config/arm/arm.h,
10427         config/h8300/h8300.md, config/i386/i386.md,
10428         config/i386/predicates.md, config/i386/sse.md,
10429         config/ia64/ia64.c, config/ip2k/ip2k.c, config/s390/s390.c,
10430         config/vax/vax.md: Fix comment typos.  Follow spelling
10431         conventions.
10432
10433 2005-01-23  Steven Bosscher  <stevenb@suse.de>
10434
10435         * gengtype.c (walk_type): Produce `not equal to' compares for loop
10436         tests, instead of `less than'.
10437
10438 2005-01-23  Richard Sandiford  <rsandifo@redhat.com>
10439
10440         * function.c (assign_parm_setup_block): When creating a new stack slot
10441         for a parameter, get its alignment from the parameter's DECL_ALIGN
10442         rather than the type's TYPE_ALIGN.  Make sure that the parameter
10443         is at least word aligned.
10444
10445 2005-01-22  Roger Sayle  <roger@eyesopen.com>
10446
10447         PR middle-end/19378
10448         * config/avr/avr.c (avr_hard_regno_mode_ok): Rewrite.
10449
10450 2005-01-22  Richard Henderson  <rth@redhat.com>
10451
10452         PR target/19506
10453         * config/i386/i386.md (movsfcc_1_sse_max): Use nonimmediate_operand
10454         in both compare operands.
10455         (movdfcc_1_sse_max): Likewise.
10456         (movsfcc_1_sse): Likewise.  Add earlyclobber for scratch.
10457         (movdfcc_1_sse): Likewise.
10458         * config/i386/i386.c (ix86_split_sse_movcc): Emit copies into the
10459         scratch register as needed.
10460
10461 2005-01-22  Richard Henderson  <rth@redhat.com>
10462
10463         * config/i386/i386.md (smaxsf3): Fix mnemonic typo.
10464
10465         * config/i386/i386.c (ix86_prepare_fp_compare_args): Fix is_sse test.
10466
10467 2005-01-22  Richard Henderson  <rth@redhat.com>
10468
10469         * genopinit.c (optabs): Use smin/smax for floating point too.
10470         * doc/md.texi: Update to match.  Clarify that floating point
10471         results are undefined for +0/-0 and NaN.
10472         * doc/rtl.texi: Likewise.
10473         * rtl.def (SMIN, SMAX): Likewise
10474         * tree.def (MIN_EXPR, MAX_EXPR): Likewise.
10475
10476         * config/alpha/alpha.md (smaxdf3, smindf3, smaxsf3, sminsf3): Add
10477         leading 's' to the name.
10478         * config/ia64/ia64.md (smaxsf3, sminsf3, smaxdf3, smindf3,
10479         smaxxf3, sminxf3): Likewise.
10480         * config/rs6000/rs6000.md (smaxdf3, smindf3, smaxsf3, sminsf3):
10481         Likewise.
10482
10483 2005-01-22  Paul Brook  <paul@codesourcery.com>
10484
10485         * config/arm/arm.md: Use "Uy" constraint for wcgr load/stores.
10486
10487 2005-01-21  Mark Dettinger  <dettinge@de.ibm.com>
10488
10489         * config/s390/s390.c (struct processor_costs): New fields
10490         dlgr, dlr, dr, dsgfr, dsgr.
10491         (z900_cost, z990_cost): Values for new fields.
10492         (s390_rtx_costs): New cases MEM und COMPARE in switch
10493         statement. Modified handling of SIGN_EXTEND, ZERO_EXTEND,
10494         DIV, MOD, UDIV, UMOD.
10495
10496 2005-01-21  Ulrich Weigand  <uweigand@de.ibm.com>
10497
10498         * config/s390/s390.md ("doloop_si64"): Reload input value directly
10499         into the register being decremented.
10500         ("doloop_si31", "doloop_di"): Likewise.
10501         ("*doloop_si_long"): Adapt pattern.
10502
10503 2005-01-21  Ulrich Weigand  <uweigand@de.ibm.com>
10504
10505         * config/s390/s390.h (HARD_REGNO_NREGS): Fix computation for
10506         access registers.
10507         (CLASS_MAX_NREGS): Likewise.
10508
10509 2005-01-21  Daniel Berlin  <dberlin@dberlin.org>
10510
10511         * doc/tree-ssa.texi (Statement Operands): Add example for new
10512         must-def macro. Note deprecation of old operands interface.
10513
10514 2005-01-22  Richard Sandiford  <rsandifo@redhat.com>
10515
10516         PR tree-optimization/19484
10517         * tree-cfg.c (remove_fallthru_edge): New function.
10518         (cleanup_control_flow): Remove fallthru edges from calls that are
10519         now known not to return.
10520
10521 2005-01-20  Daniel Berlin  <dberlin@dberlin.org>
10522
10523         Fix PR tree-optimization/19038
10524         * tree-ssa-dom.c (cprop_operand): Don't replace loop invaeriant
10525         copies with loop variant ones.
10526
10527 2005-01-22  Kazu Hirata  <kazu@cs.umass.edu>
10528
10529         * cfganal.c, real.h, reorg.c, timevar.def, tree-ssa-ccp.c,
10530         config/alpha/alpha-protos.h, config/alpha/alpha.h,
10531         config/alpha/alpha.md, config/alpha/predicates.md,
10532         config/sparc/freebsd.h, config/sparc/netbsd-elf.h,
10533         config/sparc/sol2.h: Update copyright.
10534
10535         * tree-cfg.c (remove_forwarder_block_with_phi): Look at the
10536         first label to see if it is a nonlocal label.
10537
10538 2005-01-22  David Edelsohn  <edelsohn@gnu.org>
10539             Andrew Pinski  <pinskia@physics.uc.edu>
10540
10541         PR target/19491
10542         * config/rs6000/rs6000.c (rs6000_va_start): Saturate n_gpr at
10543         maximum number of GPRs.  Saturate n_fpr at maximum number of FPRs.
10544
10545 2005-01-22  Ralf Corsepius  <ralf.corsepius@rtems.org>
10546
10547         * config/rs6000/rtems.h: Update copyright.
10548
10549 2005-01-22  Ralf Corsepius  <ralf.corsepius@rtems.org>
10550
10551         PR target/19548
10552         * config/rs6000/rtems.h: Resurrect cpp_os_rtems_spec from gcc < 3.4.
10553         (CPP_OS_RTEMS_SPEC): New (From gcc-3.3's config/rs6000/sys4.h).
10554         (SUBSUBTARGET_EXTRA_SPECS): Use CPP_OS_RTEMS_SPEC.
10555
10556 2005-01-22  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
10557
10558         PR c/18809
10559         * c-typeck.c (convert_arguments): Check for error_mark_node.
10560
10561 2005-01-21  Ian Lance Taylor  <ian@airs.com>
10562
10563         PR tree-optimization/13000
10564         * tree-inline.c: Include "tree-flow.h".
10565         (expand_call_inline): If warn_return_type, warn if non-void inline
10566         function falls through.
10567         * tree-cfg.c (execute_warn_function_return): Don't warn about
10568         control reaching end if TREE_NO_WARNING is set.  Set
10569         TREE_NO_WARNING.
10570         * gimple-low.c (block_may_fallthru): Don't assume that SWITCH_EXPR
10571         has been lowered.
10572         * gimplify.c (shortcut_cond_expr): Don't emit a jump over the else
10573         branch if we don't need one.
10574         * c-typeck.c: Include "tree-flow.h"
10575         (c_finish_bc_stmt): Don't add a goto if the current statement
10576         list doesn't fall through to the current point.
10577
10578 2005-01-21  Roger Sayle  <roger@eyesopen.com>
10579
10580         PR rtl-optimization/576
10581         * real.c (real_arithmetic): Change return type from void to bool
10582         to return an indication that the result may be inexact.
10583         * real.h (real_arithmeric): Update prototype.
10584         * fold-const.c (const_binop):  Don't constant fold floating
10585         point expressions when the user specifies -frounding-math and
10586         the result may depend upon the run-time rounding mode.
10587         (fold_convert_const_real_from_real): Clean-up.
10588         (fold_initializer): Ignore flag_rounding_math for initializers.
10589         * simplify-rtx.c (simplify_binary_operation): Likewise, don't
10590         constant fold FP operations with flag_rounding_math if the
10591         result may depend upon the run-time rounding mode.
10592
10593 2005-01-21  Tom Tromey  <tromey@redhat.com>
10594
10595         * c-cppbuiltin.c (define__GNUC__): Correct assertion.
10596
10597 2005-01-21  Kazu Hirata  <kazu@cs.umass.edu>
10598
10599         * tree-cfg.c: Fix comment typos.
10600
10601 2005-01-21  J"orn Rennecke <joern.rennecke@st.com>
10602
10603         * passes.c (rest_of_handle_flow2): Close / open the flow2 dump file
10604         around the call to rest_of_handle_branch_target_load_optimize.
10605
10606 2005-01-21  Eric Botcazou  <ebotcazou@libertysurf.fr>
10607
10608         * config.gcc (sparc-*-netbsdelf*): Include dbxelf.h
10609         (sparc64-*-openbsd*): Likewise.
10610         (sparclite-*-elf*): Include tm-dwarf2.h.
10611         (sparc86x-*-elf*): Likewise.
10612         (sparc64-*-elf*): Likewise.
10613         * config/sparc/linux64.h (DWARF2_DEBUGGING_INFO): Delete.
10614         (DBX_DEBUGGING_INFO): Likewise.
10615         * config/sparc/liteelf.h (DWARF2_DEBUGGING_INFO): Likewise.
10616         (PREFERRED_DEBUGGING_TYPE): Likewise.
10617         * config/sparc/netbsd-elf.h (PREFERRED_DEBUGGING_TYPE): Likewise.
10618         * config/sparc/sp64-elf.h (DBX_DEBUGGING_INFO): Likewise.
10619         (PREFERRED_DEBUGGING_TYPE): Likewise.
10620         * config/sparc/sp86x-elf.h (DWARF2_DEBUGGING_INFO): Likewise.
10621         (PREFERRED_DEBUGGING_TYPE): Likewise.
10622         * config/sparc/sparc.h (DBX_DEBUGGING_INFO): Likewise.
10623
10624 2005-01-21  Hans-Peter Nilsson  <hp@bitrange.com>
10625
10626         PR target/18701
10627         * combine.c (combine_simplify_rtx): Revert change of 2004-12-31.
10628
10629 2005-01-20  Paul Brook  <paul@codesourcery.com>
10630
10631         * doc/rtl.texi: Document value extension requirements for CONST_INT.
10632
10633 2005-01-20  Kazu Hirata  <kazu@cs.umass.edu>
10634
10635         * tree-cfg.c (tree_verify_flow_info): Check that a nonlocal
10636         label is first in a sequence of labels.
10637
10638         * tree-cfg.c (tree_verify_flow_info): Fix a typo.
10639
10640 2005-01-20  Janis Johnson  <janis187@us.ibm.com>
10641             Giovanni Bajo  <giovannibajo@gcc.gnu.org>
10642
10643         * doc/sourcebuild.texi (Test Directives): New.
10644
10645 2005-01-20  Roger Sayle  <roger@eyesopen.com>
10646
10647         * real.c (real_floor): Don't leave the result uninitialized when
10648         mode is VOIDMode, but return the unrounded intermediate value.
10649         (real_ceil): Likewise.
10650
10651 2005-01-20  Paul Brook  <paul@codesourcery.com>
10652
10653         * config/arm/arm.md (insv): Use gen_int_mode.
10654
10655 2005-01-20  Eric Botcazou  <ebotcazou@libertysurf.fr>
10656
10657         * config/sparc/freebsd.h (ASM_OUTPUT_INTERNAL_LABELREF): Delete.
10658         * config/sparc/linux.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
10659         * config/sparc/linux64.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
10660         * config/sparc/netbsd-elf.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
10661         * config/sparc/sol2.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
10662
10663 2005-01-20  Daniel Berlin  <dberlin@dberlin.org>
10664
10665         Fix PR debug/19124
10666         * dwarf2out.c (concat_loc_descriptor): We don't know we can use
10667         fbreg, so we have to assume we can't.
10668         (loc_descriptor_from_tree_1): Ditto.
10669         (containing_function_has_frame_base): New function.
10670         (add_location_or_const_value_attribute): Use it.
10671         Also try to generate a frame_base from a single element location
10672         list.
10673
10674 2005-01-20  Kazu Hirata  <kazu@cs.umass.edu>
10675
10676         PR tree-optimization/15349
10677         * timevar.def (TV_TREE_MERGE_PHI): New.
10678         * tree-cfg.c (tree_forwarder_block_p): Add a new argument
10679         PHI_WANTED.
10680         (remove_forwarder_block, cleanup_forwarder_blocks): Adjust the
10681         calls to tree_forwarder_block_p.
10682         (remove_forwarder_block_with_phi, merge_phi_nodes,
10683         gate_merge_phi, pass_merge_phi): New.
10684         * tree-optimize.c (init_tree_optimization_passes): Add
10685         pass_merge_phi.
10686         * tree-pass.h: Add an extern for pass_merge_phi;
10687
10688 2005-01-20  Richard Henderson  <rth@redhat.com>
10689
10690         PR target/19418
10691         * config/i386/emmintrin.h (_mm_castpd_ps, _mm_castpd_si128): New.
10692         (_mm_castps_pd, _mm_castps_si128): New.
10693         (_mm_castsi128_ps, _mm_castsi128_pd): New.
10694
10695 2005-01-20  Richard Henderson  <rth@redhat.com>
10696
10697         PR target/19530
10698         * config/i386/mmintrin.h (_mm_cvtsi32_si64): Use
10699         __builtin_ia32_vec_init_v2si.
10700         (_mm_cvtsi64_si32): Use __builtin_ia32_vec_ext_v2si.
10701         * config/i386/i386.c (IX86_BUILTIN_VEC_EXT_V2SI): New.
10702         (ix86_init_mmx_sse_builtins): Create it.
10703         (ix86_expand_builtin): Expand it.
10704         (ix86_expand_vector_set): Handle V2SFmode and V2SImode.
10705         * config/i386/mmx.md (vec_extractv2sf_0, vec_extractv2sf_1): New.
10706         (vec_extractv2si_0, vec_extractv2si_1): New.
10707
10708 2005-01-20  Richard Henderson  <rth@redhat.com>
10709
10710         PR target/16533
10711         * config/i386/i386.c (ix86_expand_push): New.
10712         * config/i386/mmx.md (push<MMXMODE>1): New.
10713         * config/i386/sse.md (push<SSEMODE>1): New.
10714         * config/i386/i386-protos.h: Update.
10715
10716 2005-01-20  Kazu Hirata  <kazu@cs.umass.edu>
10717
10718         * params.def, params.h, predict.c, tree-ssa-loop-im.c: Update
10719         copyright.
10720
10721 2005-01-20  Richard Henderson  <rth@redhat.com>
10722
10723         * rtl.def (CONST_VECTOR): Use RTX_CONST_OBJ.
10724         * rtl.h (CONSTANT_P): Don't special case CONST_VECTOR.
10725
10726 2005-01-19  Richard Henderson  <rth@redhat.com>
10727
10728         PR target/19350
10729         * config/i386/i386.c (ix86_expand_vector_move_misalign): Convert
10730         to V4SFmode in SSE1 fallback load path.
10731
10732 2005-01-19  Richard Henderson  <rth@redhat.com>
10733
10734         * config/i386/i386.c (ix86_expand_vector_init_one_var): Fix typo
10735         in QImode expansion to ix86_expand_vector_set.
10736         (ix86_expand_vector_init_general): Fix typo in V8HImode recursive call.
10737
10738 2005-01-19  Richard Henderson  <rth@redhat.com>
10739
10740         PR target/19511
10741         * config/i386/i386.c (ix86_preferred_reload_class): Return a proper
10742         subclass of the input class.
10743         (ix86_secondary_memory_needed): Always true for cross-MMX classes.
10744         Always true for cross-SSE1 classes.  Rationalize conditionals.
10745         * config/i386/i386.h (SSE_CLASS_P, MMX_CLASS_P): Use straight equality.
10746         * config/i386/i386.md (movsi_1): Add MMX/SSE zeros.  Fix alternatives
10747         for SSE1.  Don't check TARGET_INTER_UNIT_MOVES.
10748         (movdi_2): Add MMX/SSE zeros.
10749         (movdi_1_rex64): Likewise.  Don't check TARGET_INTER_UNIT_MOVES.
10750         (movsf_1): Don't check TARGET_INTER_UNIT_MOVES.
10751         (zero_extendsidi2_32, zero_extendsidi2_rex64): Likewise.
10752         (movsi_1_nointernunit, movdi_1_rex64_nointerunit): Remove.
10753         (movsf_1_nointerunit, zero_extendsidi2_32_1): Remove.
10754         (zero_extendsidi2_rex64_1): Remove.
10755         (MOV0 peephole): Check GENERAL_REG_P.
10756
10757 2005-01-19  Richard Henderson  <rth@redhat.com>
10758
10759         PR target/19427
10760         * config/i386/i386.c (ix86_expand_vector_set): Fix third and fourth
10761         shufps elements.
10762         (ix86_expand_vector_extract): Likewise.
10763
10764 2005-01-19  Richard Henderson  <rth@redhat.com>
10765
10766         PR middle-end/19304
10767         * expr.c (emit_move_change_mode): New argument force; use
10768         simplify_gen_subreg if true.
10769         (emit_move_via_alt_mode): Merge into ...
10770         (emit_move_via_integer): ... here.
10771         (emit_move_ccmode): Use emit_move_change_mode directly.
10772
10773 2005-01-19  Richard Henderson  <rth@redhat.com>
10774
10775         PR target/19518
10776         * config/alpha/alpha.c (alpha_rtx_costs): Handle HIGH.
10777         (alpha_preferred_reload_class): Handle CONST_VECTOR.
10778         (alpha_emit_set_const_1): Add no_output parameter; don't emit
10779         rtl if true.
10780         (alpha_emit_set_const): Likewise.  Make static.
10781         (alpha_emit_set_long_const): Make static.
10782         (alpha_extract_integer): Split out from alpha_expand_mov.
10783         (alpha_split_const_mov): Likewise.
10784         (alpha_expand_mov): Use them.  Handle CONST_VECTOR.
10785         (alpha_legitimate_constant_p): New.
10786         * config/alpha/alpha-protos.h: Update.
10787         * config/alpha/alpha.h (REGISTER_MOVE_COST): Correct fp<->gp cost.
10788         (LEGITIMATE_CONSTANT_P): Re-implement with a function.
10789         * config/alpha/alpha.md (movsi): Add n alternative.
10790         (movsi_nt_vms, movdi_er_nofix, movdi_er_fix, movdi_fix): Likewise.
10791         (mov<VEC>_fix, mov<VEC>_nofix): Add i alternative.
10792         (splitters for all of the above): Use alpha_split_const_mov.
10793         * config/alpha/predicates.md (non_add_const_operand): New.
10794         (non_zero_const_operand): New.
10795         (input_operand): Use alpha_legitimate_constant_p after reload.
10796
10797 2005-01-19  Zdenek Dvorak  <dvorakz@suse.cz>
10798
10799         PR tree-optimization/19038
10800         * tree-ssa-loop-ivopts.c (allow_ip_end_pos_p): New function.
10801         (add_candidate): Add ivs with increment in latch only if
10802         allow_ip_end_pos_p is true.
10803         (determine_iv_cost): Use empty_block_p.
10804
10805 2005-01-19  Daniel Berlin  <dberlin@dberlin.org>
10806
10807         * cfganal.c (compute_dominance_frontiers_1): Replace with new algorithm
10808         (compute_dominance_frontiers): Ditto.
10809
10810 2005-01-19  Ralf Corsepius  <ralf.corsepius@rtems.org>
10811
10812         PR target/19529
10813         * config/sh/t-rtems: New.
10814         * config.gcc (sh-*-rtems*): Reflect having added config/sh/t-rtems.
10815
10816 2005-01-19  Zdenek Dvorak  <dvorakz@suse.cz>
10817
10818         * tree-ssa-ccp.c (maybe_fold_offset_to_component_ref): Always subtract
10819         the offset of the selected field.
10820
10821 2005-01-19  Kazu Hirata  <kazu@cs.umass.edu>
10822
10823         * tree-cfg.c (remove_forwarder_block): Fix the check to
10824         prevent a nonlocal label from appearing in the middle of a
10825         basic block.
10826
10827 2005-01-19  Hans-Peter Nilsson  <hp@axis.com>
10828
10829         PR rtl-optimization/19462
10830         * reorg.c (find_end_label): Create return insn only if
10831         current_function_epilogue_delay_list is empty.
10832
10833 2005-01-19  Paolo Bonzini  <bonzini@gnu.org>
10834
10835         * doc/passes.texi: Remove paragraph mentioning new-ra.
10836
10837 2005-01-19  Jakub Jelinek  <jakub@redhat.com>
10838
10839         PR rtl-optimization/15139
10840         * combine.c: Include params.h.
10841         (count_rtxs): New function.
10842         (record_value_for_reg): If replace_rtx would replace at least
10843         2 occurrences of REG in VALUE and TEM is really large, replace REG with
10844         (clobber (const_int 0)) instead of TEM.
10845         * params.def (PARAM_MAX_LAST_VALUE_RTL): New.
10846         * params.h (MAX_LAST_VALUE_RTL): New.
10847         * Makefile.in (combine.o): Depend on $(PARAMS_H).
10848         * doc/invoke.texi (--param max-last-value-rtl=N): Document.
10849
10850         PR c/17297
10851         * c-typeck.c (digest_init): Only call build_vector if all constructor
10852         elements are *_CST nodes.
10853         * gimplify.c (gimplify_init_constructor): Likewise.
10854
10855         PR middle-end/19164
10856         * c-typeck.c (digest_init): Only call build_vector if inside_init
10857         is a CONSTRUCTOR.
10858
10859 2005-01-18  Tobias Schl"uter  <tobias.schlueter@physik.uni-muenchen.de>
10860
10861         * toplev.c (init_asm_output): Remove dead #ifdef.
10862
10863 2005-01-18  Kaz Kojima  <kkojima@gcc.gnu.org>
10864
10865         * config/sh/linux.h (TARGET_C99_FUNCTIONS): Define.
10866
10867 2005-01-18  Eric Botcazou  <ebotcazou@libertysurf.fr>
10868
10869         * calls.c (expand_call): Check DECL_BUILT_IN_CLASS before
10870         accessing DECL_FUNCTION_CODE.
10871         * dojump.c (do_jump): Likewise.
10872         * gimplify.c (gimplify_call_expr): Likewise.
10873         * predict.c (expr_expected_value): Likewise.
10874         (strip_builtin_expect): Likewise.
10875         * tree-inline.c (estimate_num_insns_1): Likewise.
10876         * tree-ssa-loop-im.c (stmt_cost): Likewise
10877         * fold-const.c (fold): Test for BUILT_IN_NORMAL.
10878         (tree_expr_nonnegative_p): Likewise.
10879
10880 2005-01-18  Eric Botcazou  <ebotcazou@libertysurf.fr>
10881
10882         * config/sparc/sparc.c (load_pic_register): Emit the appropriate
10883         variant of the load_pcrel_sym pattern.
10884         * config/sparc/sparc.md (P macro): Move to the top.
10885         (load_pcrel_sym): Macroize using P.
10886         (save_register_window): Likewise.
10887
10888 2005-01-18  Aldy Hernandez  <aldyh@redhat.com>
10889
10890         * config/rs6000/rs6000.md ("sunordered"): Disable for e500.
10891         ("sordered"): Same.
10892
10893 2005-01-18  Andrew Pinski  <pinskia@physics.uc.edu>
10894
10895         PR C/19472
10896         * c-typeck.c (build_asm_expr): Strip nops off
10897         input memory operands.
10898
10899 2005-01-18  David Edelsohn  <edelsohn@gnu.org>
10900
10901         * config/rs6000/aix43.h (CPLUSPLUS_CPP_SPEC): Delete
10902         _XOPEN_SOURCE, _XOPEN_SOURCE_EXTENDED, _LARGE_FILE_API.
10903         * config/rs6000/aix51.h (CPLUSPLUS_CPP_SPEC): Same.
10904         * config/rs6000/aix52.h (CPLUSPLUS_CPP_SPEC): Same.
10905
10906 2005-01-18  Joel Sherrill <joel.sherrill@oarcorp.com>
10907
10908         PR target/19379
10909         * config/i386/i386.c (override_options): If the 80387 is disabled,
10910         then do not return FP values using FP registers.
10911
10912 2005-01-18  Kazu Hirata  <kazu@cs.umass.edu>
10913
10914         * basic-block.h, c-common.c, c-cppbuiltin.c, c-lang.c,
10915         c-tree.h, cfgbuild.c, cgraph.c, cgraph.h, collect2.c,
10916         combine.c, config.gcc, coverage.h, cse.c, cselib.c,
10917         defaults.h, df.c, dwarf2asm.c, dwarf2out.c, explow.c, expr.c,
10918         flow.c, fold-const.c, gcse.c, ggc-page.c, gimple-low.c,
10919         gimplify.c, ifcvt.c, langhooks-def.h, lcm.c, optabs.h,
10920         output.h, postreload-gcse.c, postreload.c, recog.c,
10921         resource.c, rtl.def, rtlanal.c, sched-deps.c, sched-rgn.c,
10922         targhooks.h, toplev.c, tree-data-ref.c, tree-eh.c,
10923         tree-flow.h, tree-loop-linear.c, tree-mudflap.h, tree-nrv.c,
10924         tree-optimize.c, tree-outof-ssa.c, tree-pass.h,
10925         tree-scalar-evolution.c, tree-ssa-copy.c, tree-ssa-dce.c,
10926         tree-ssa-dse.c, tree-ssa-loop-ivopts.c, tree-ssa-operands.c,
10927         tree-ssa-pre.c, tree-ssa.c, tree-vectorizer.c, tree.def,
10928         unwind-dw2-fde-darwin.c, var-tracking.c: Update copyright.
10929
10930         * config/darwin.c, config/darwin.h, config/freebsd-spec.h,
10931         config/alpha/alpha.c, config/arm/vfp.md,
10932         config/i386/emmintrin.h, config/i386/i386-modes.def,
10933         config/i386/i386-protos.h, config/i386/i386.h,
10934         config/i386/pmmintrin.h, config/i386/ppro.md,
10935         config/i386/predicates.md, config/i386/xmmintrin.h,
10936         config/i860/i860.c, config/ia64/ia64-modes.def,
10937         config/ia64/ia64-protos.h, config/ia64/ia64.h,
10938         config/ia64/ia64.md, config/ia64/itanium1.md,
10939         config/ia64/itanium2.md, config/ia64/predicates.md,
10940         config/iq2000/iq2000.h, config/mips/linux64.h,
10941         config/rs6000/aix41.h, config/rs6000/aix43.h,
10942         config/rs6000/aix52.h, config/rs6000/darwin-fallback.c,
10943         config/rs6000/rs6000.c, config/rs6000/rs6000.h,
10944         config/rs6000/spe.md, config/sh/sh.md, config/sparc/linux.h,
10945         config/sparc/linux64.h, config/sparc/litecoff.h,
10946         config/sparc/sp64-elf.h, config/sparc/sparc.c,
10947         config/sparc/sparc.h, config/sparc/sparc.md,
10948         config/sparc/sysv4-only.h: Update copyright.
10949
10950 2005-01-18  Richard Henderson  <rth@redhat.com>
10951
10952         PR target/19496
10953         * config/i386/i386.c (ix86_expand_fp_movcc): Fail for LTGT and UNEQ.
10954
10955 2005-01-18  Marc Espie  <espie@openbsd.org>
10956         * config/i386/openbsdelf.h: Typo.
10957
10958 2005-01-18  Richard Henderson  <rth@redhat.com>
10959
10960         * config/i386/i386.c (ix86_expand_fp_movcc): Remove TARGET_IEEE_FP
10961         special case for sse.
10962         * config/i386/predicates.md (sse_comparison_operator): Likewise.
10963
10964 2005-01-18  Dorit Naishlos  <dorit@il.ibm.com>
10965
10966         * tree-inline.c (estimate_num_insns_1): Added cases for
10967         ALIGN_INDIRECT_REF, MISALIGNED_INDIRECT_REF, and REALIGN_LOAD_EXPR.
10968
10969 2005-01-18  Eric Botcazou  <ebotcazou@libertysurf.fr>
10970
10971         PR rtl-optimization/19296
10972         * combine.c (simplify_comparison): Rewrite the condition under
10973         which a non-paradoxical SUBREG of a PLUS can be lifted when
10974         compared against a constant.
10975
10976 2005-01-18  Andi Kleen <ak@muc.de>
10977
10978         * c-typeck.c: (convert_for_assignment): Check warn_pointer_sign.
10979         * c.opt (-Wpointer-sign): Add.
10980         * doc/invoke.texi: (-Wpointer-sign): Add.
10981
10982 2005-01-18  Uros Bizjak  <uros@kss-loka.si>
10983
10984         * config/i386/i386.c (override_options): Revert 2004-11-24 change.
10985         * config/i386/i386.md (fmodsf3, dremsf3, *sinsf2, *cossf2, sincossf3,
10986         *tansf3_1, tansf2, atan2sf3_1, atan2sf3, atansf2, asinsf2, acossf2,
10987         logsf2, log10sf2, log2sf2, log1psf2, logbsf2, ilogbsf2, expsf2,
10988         exp10sf2, exp2sf2, expm1sf2, rintsf2, floorsf2, ceilsf2, btruncsf2,
10989         nearbyintsf2): Disable for TARGET_SSE_MATH.  Leave patterns enabled
10990         for TARGET_MIX_SSE_I387.
10991         (fmoddf3, dremdf3, *sindf2, *sinextendsfdf2, *cosdf2, *cosextendsfdf2,
10992         sincosdf3, *sincosextendsfdf3, *tandf3_1, tandf2, atan2df3_1,
10993         atan2df3, atandf2, asindf2, acosdf2, logdf2, log10df2, log2df2,
10994         log1pdf2, logbdf2, expdf2, exp10df2, exp2df2, expm1df2, rintdf2,
10995         floordf2, ceildf2, btruncdf2, nearbyintdf2): Disable for
10996         (TARGET_SSE2 && TARGET_SSE_MATH).  Leave patterns enabled for
10997         TARGET_MIX_SSE_I387.
10998         (atan2sf3, atan2df3, atan2xf3): Remove register constraints
10999         from expander.
11000
11001 2005-01-18  Uros Bizjak  <uros@kss-loka.si>
11002
11003         PR target/19424
11004         * config/i386/mmx.md (*movv2sf_internal_rex64, *movv2sf_internal):
11005         Add movaps alternative for xmm reg->reg move.
11006
11007 2005-01-17  Jeff Law  <law@redhat.com>
11008
11009         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Clear SSA_NAME_VALUE
11010         at the end of the main DOM loop rather than just before DOM exits.
11011
11012 2005-01-17  Diego Novillo  <dnovillo@redhat.com>
11013
11014         PR tree-optimization/19121
11015         * tree-ssa-alias.c (compute_flow_sensitive_aliasing): When
11016         adding aliases to a name tag, also add them to the pointer's
11017         type tag.
11018         * tree-ssa-copy.c (merge_alias_info): Do not merge flow
11019         sensitive alias info at all.  Only check that the two pointers
11020         have compatible pointed-to sets.
11021         * tree-ssa.c (verify_name_tags): Verify that the alias set of
11022         a pointer's type tag is a superset of the alias set of the
11023         pointer's name tag.
11024
11025 2005-01-17  James E Wilson  <wilson@specifixinc.com>
11026
11027         PR target/19357
11028         * config/ia64/ia64.md (movxf): Handle general register source.  Adjust
11029         comment to document why.
11030
11031 2005-01-17  Richard Henderson  <rth@redhat.com>
11032
11033         * config/i386/sse.md (smaxv4sf3_finite, sse_vmsmaxv4sf3_finite,
11034         sminv4sf3_finite, sse_vmsminv4sf3_finite, smaxv2df3_finite,
11035         sse2_vmsmaxv2df3_finite, sminv2df3_finite,
11036         sse2_vmsminv2df3_finite): New.
11037         (smaxv4sf3, sse_vmsmaxv4sf3, sminv4sf3, sse_vmsminv4sf3, smaxv2df3,
11038         sse2_vmsmaxv2df3, sminv2df3, sse2_vmsminv2df3): Remove commutative.
11039         Force op1 into register.
11040
11041 2005-01-17  Kelley Cook  <kcook@gcc.gnu.org>
11042
11043         * Makefile.in (STAGEMOVESTUFF): Stage all the stamp files to prevent
11044         bubblestrap from always rebuilding build directory.
11045
11046 2005-01-17  Ulrich Weigand  <uweigand@de.ibm.com>
11047
11048         * config/s390/s390.md ("*clc"): Remove incorrect '='.
11049         ("*cmpmem_short"): Likewise.
11050
11051 2005-01-17  Steven Bosscher  <stevenb@suse.de>
11052
11053         * basic-block.h: Document BB_* flags.
11054         * regrename.c (copyprop_hardreg_forward): Don't use BB_VISITED,
11055         use an sbitmap instead.
11056         * sched-rgn.c (compute_trg_info): Likewise.
11057
11058 2005-01-17  Richard Sandiford  <rsandifo@redhat.com>
11059
11060         * config.gcc (mips64*-*-linux*): Set the default abi to n32.  Remove
11061         redundant target_cpu_default and extra_parts lines.  Use the default
11062         "from-abi" ISA.
11063         * config/mips/linux64.h (DRIVER_DEFAULT_ABI_SELF_SPEC): Delete.
11064         (SUBTARGET_EXTRA_SPECS): Delete.
11065         (DRIVER_SELF_SPECS): Remove architecture lines.  Set the ABI directly.
11066         (SUBTARGET_ASM_SPEC): Remove -mabi=n32 and -mabi=64 mappings.
11067         * config/mips/t-linux64 (MULTILIB_DIRNAMES): Use "32" for -mabi=32
11068         and "n32" for -mabi=n32.
11069
11070 2005-01-17  Ian Lance Taylor  <ian@airs.com>
11071
11072         PR c/5675
11073         * c-typeck.c (build_c_cast): Revert patch of 2003-02-16: don't
11074         fold constant variables into initial values.
11075
11076 2005-01-17  Kazu Hirata  <kazu@cs.umass.edu>
11077
11078         * tree-cfg.c (tree_can_merge_blocks_p): Reorder two checks.
11079
11080         * tree-cfg.c (tree_forwarder_block_p): Speed up by walking
11081         through the statements backward.
11082
11083 2005-01-17  Ian Lance Taylor  <ian@airs.com>
11084
11085         PR middle-end/13127:
11086         * tree-inline.c (expand_call_inline): Set TREE_NO_WARNING on
11087         a variable set to the return value of the inlined function.
11088
11089 2005-01-17  Mark Dettinger  <dettinge@de.ibm.com>
11090
11091         * rtlanal.c (rtx_cost): Assign cost of 0 to a SUBREG
11092         when modes are tieable.
11093
11094 2005-01-17  Ranjit Mathew  <rmathew@hotmail.com>
11095
11096         * gthr-posix.h (__gthread_active_p): Use pthread_cancel instead
11097         of pthread_create to find out if threads are enabled.
11098         * gthr-posix95.h (__gthread_active_p): Likewise.
11099
11100 2005-01-17  Paolo Bonzini  <bonzini@gnu.org>
11101
11102         * common.opt (-fnew-ra): Remove.
11103         * ra*.*: Remove.
11104         * toplev.h (flag_new_regalloc): Remove.
11105         * Makefile.in (ra*.*): Don't mention.
11106         * passes.c (rest_of_handle_new_regalloc): Remove.
11107         (rest_of_handle_combine, rest_of_compilation): Always consider
11108         flag_new_regalloc as false.
11109         * doc/invoke.texi: Don't document -fnew-ra.
11110
11111 2005-01-17  Paolo Bonzini <bonzini@gnu.org>
11112
11113         * bb-reorder.c (fix_edges_for_rarely_executed_code): Remove
11114         last parameter to reg_scan.
11115         * loop.c (loop_optimize): Likewise.
11116         * passes.c (rest_of_handle_tracer, rest_of_handle_if_conversion,
11117         rest_of_handle_web, rest_of_handle_cfg, rest_of_handle_jump_bypass,
11118         rest_of_handle_life, rest_of_handle_cse, rest_of_handle_cse2,
11119         rest_of_handle_gcse, rest_of_handle_loop_optimize,
11120         rest_of_handle_loop2, rest_of_handle_jump2): Likewise.
11121         * regclass.c (reg_scan): Likewise, for the declaration.
11122         * rtl.h (reg_scan): Likewise, for the prototype.
11123
11124 2005-01-17  Kazu Hirata  <kazu@cs.umass.edu>
11125
11126         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Don't call
11127         mark_dfs_back_edges.
11128
11129 2005-01-16  Daniel Berlin  <dberlin@dberlin.org>
11130
11131         * tree-ssa-pre.c (add_to_sets): s1 may be NULL.
11132         (compute_avail): Uses don't go in tmp_gen.
11133
11134 2005-01-16  Steven Bosscher  <stevenb@suse.de>
11135
11136         * ggc-page.c (ggc_alloc_stat): Use __builtin_ctzl instead of a
11137         loop to look for a free slot in a page entry.
11138
11139 2005-01-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
11140
11141         PR target/16304
11142         * defaults.h (TARGET_DEFERRED_OUTPUT_DEFS): Provide default.
11143         * toplev.c (compile_file): Call process_pending_assemble_output_defs
11144         just before targetm.asm_out.file_end.
11145         * tree.h (process_pending_assemble_output_defs): Declare.
11146         * varasm.c (assemble_output_def, process_pending_assemble_output_defs):
11147         New functions.
11148         (assemble_alias): Defer generation of assembly code for defines when
11149         TARGET_DEFERRED_OUTPUT_DEFS is true.
11150         * config/rs6000/aix41.h (TARGET_DEFERRED_OUTPUT_DEFS): Define.
11151         * config/rs6000/aix43.h (TARGET_DEFERRED_OUTPUT_DEFS): Define.
11152         * doc/tm.texi (TARGET_DEFERRED_OUTPUT_DEFS): document.
11153
11154 2005-01-15  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
11155
11156         PR target/19336
11157         * pa.c (pa_scalar_mode_supported_p): New function.
11158         (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
11159         * pa.h (MIN_UNITS_PER_WORD): Add comment.
11160
11161         * pa-protos.h (prefetch_operand): Delete.
11162         (prefetch_cc_operand, prefetch_nocc_operand): New declations.
11163         * pa.c (prefetch_operand): Delete.
11164         (prefetch_cc_operand, prefetch_nocc_operand): New functions.
11165         * pa.h (EXTRA_CONSTRAINT): Add `W' constraint.
11166         (PREDICATE_CODES): Delete prefetch_operand.  Add prefetch_cc_operand
11167         and prefetch_nocc_operand.
11168         * pa.md (prefetch): Rework to avoid reload problems handling short
11169         displacements when a cache control completer needs to be provided.
11170         (prefetch_32, prefetch_64): Delete.
11171         (prefetch_cc, prefetch_nocc): New patterns.
11172
11173 2005-01-15  David Edelsohn  <edelsohn@gnu.org>
11174
11175         * config/rs6000/aix52.h (CPLUSPLUS_CPP_SPEC): Revert previous change.
11176
11177 2005-01-15  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
11178
11179         PR ada/19388
11180         * pa.c (pa_asm_output_aligned_common): Warn if specified alignment
11181         exceeds maximum alignment for global common data.
11182         * pa64-hpux.h (MAX_OFILE_ALIGNMENT): Define to 32768.
11183         * som.h (MAX_OFILE_ALIGNMENT): Likewise.
11184
11185 2004-01-15  Roger Sayle  <roger@eyesopen.com>
11186
11187         * tree-ssa-dom.c (extract_range_from_cond): Correct condition.
11188
11189 2004-01-15  Roger Sayle  <roger@eyesopen.com>
11190
11191         * harg-reg-set.h (reg_class_names): Prototype global array.
11192         * regclass.c (reg_class_names): Declare here and initialize to
11193         REG_CLASS_NAMES.
11194         (dump_regclass): Remove local declaration of reg_class_names.
11195         (regclass): Likewise.
11196         * cfg.c (dump_flow_info): Likewise.
11197         * ra-debug.c (reg_class_names): Likewise.
11198         * regrename.c (reg_class_names): Likewise.
11199         * reload.c (reg_class_names): Likewise.
11200         * reload1.c (spill_failure): Likewise.
11201         * config/m68hc11/m68hc11.c (reg_class_names): Likewise.
11202
11203 2005-01-15  Ulrich Weigand  <uweigand@de.ibm.com>
11204
11205         * config/s390/s390.md ("reload_outti"): Remove predicate for
11206         output operand.  Abort if operand is not a MEM.
11207         ("reload_outdi", "reload_outdf"): Likewise.
11208
11209 2005-01-15  Marc Espie  <espie@openbsd.org>
11210
11211         * config.gcc (*-*-openbsd*): Set HAS_LIBC_R for OpenBSD <= 3.2.
11212         (i[34567]86-*-openbsd*): Switch to ELF for OpenBSD >= 3.4.
11213         * config/openbsd.h:  Fix C++ includes for native configurations.
11214         Add proper OS_CPP_BUILTINS.  Fix libspec for recent OpenBSD.
11215         Add trampoline support.
11216         * config/i386/openbsdelf.h: New.
11217
11218 2005-01-15  Marc Espie  <espie@openbsd.org>
11219
11220         * collect2.c (main): Explicitly parse -dynamic-linker option.
11221
11222 2005-01-15  Jakub Jelinek  <jakub@redhat.com>
11223
11224         PR tree-optimization/19060
11225         * tree-ssa-dom.c (extract_range_from_cond) <case LT_EXPR, GT_EXPR>:
11226         Return 0 if op1 <= TYPE_MIN_VALUE () resp. op1 >= TYPE_MAX_VALUE ().
11227         (simplify_cond_and_lookup_avail_expr): Add assert for dummy == 0
11228         and handle extract_range_from_cond returning false.
11229         * fold-const.c (fold): Optimize comparisons with min/max even for
11230         width > HOST_BITS_PER_WIDE_INT.
11231
11232 2005-01-15  Ralf Corsepius  <ralf.corsepius@rtems.org>
11233
11234         * config/mips/rtems.h (MIPS_DEFAULT_GVALUE): Set to 0.
11235         * config/mips/t-rtems (MULTILIBS_DIRNAMES,MULTILIB_OPTIONS):
11236         Remove little endian multilib variants.
11237         Add mips32 multilib variant.
11238
11239 2005-01-15  Kazu Hirata  <kazu@cs.umass.edu>
11240
11241         * explow.c (copy_all_reg, stabilize): Remove.
11242         * expr.h: Remove the corresponding prototypes.
11243
11244         * rtlanal.c (regs_set_between_p): Remove.
11245         * rtl.h: Remove the corresponding prototype.
11246
11247 2005-01-14  David Edelsohn  <edelsohn@gnu.org>
11248
11249         * config/rs6000/rs6000.c (rs6k_nonimmediate_operand): Rename
11250         to rs6000_nonimmediate_operand.
11251         * config/rs6000/rs6000.h (PREDICATE_CODES): Rename
11252         rs6k_nonimmediate_operand to rs6000_nonimmediate_operand.
11253         * config/rs6000/rs6000.md (movsi_internal1): Rename predicate to
11254         rs6000_nonimmediate_operand.
11255         * config/rs6000/spe.md (movdf_e500_double): Rename predicate to
11256         rs6000_nonimmediate_operand.
11257
11258 2005-01-14  Andrew Pinski  <pinskia@physics.uc.edu>
11259
11260         * tree-ssa-alias.c (pass_may_alias): Add TODO_verify_stmts.
11261
11262 2005-01-14  Aldy Hernandez  <aldyh@redhat.com>
11263
11264         * config/rs6000/rs6000.h (CLASS_MAX_NREGS): DF goes in 1 register
11265         on e500v2.
11266         (CANNOT_CHANGE_MODE_CLASS): Restrict DI mode changes on e500v2.
11267         (PREDICATE_CODES): Add rs6k_nonimmediate_operand.
11268
11269         * config/rs6000/rs6000.c (invalid_e500_subreg): New.
11270         (rs6k_nonimmediate_operand): New.
11271         (rs6000_legitimate_offset_address_p): Handle DI modes on e500v2
11272         correctly.
11273         (legitimate_lo_sum_address_p): Same.
11274         (rs6000_legitimize_address): Same.
11275         (rs6000_legitimize_reload_address): Same.
11276         (rs6000_legitimate_address): Same.
11277         (spe_build_register_parallel): Pass DF and DC modes in a DI
11278         register.
11279
11280         * config/rs6000/rs6000.md ("*movsi_internal1"): Change predicate
11281         to rs6k_nonimmediate_operand.
11282
11283         * config/rs6000/spe.md ("*frob_df_di"): New.
11284         ("*frob_di_df"): New.
11285         ("*frob_di_df_2"): New.
11286         ("*mov_sidf_e500_subreg0"): New.
11287         ("*mov_sidf_e500_subreg4"): New.
11288         ("*movdf_e500_double"): Change predicate to
11289         rs6k_nonimmediate_operand.
11290
11291 2005-01-14  Aldy Hernandez  <aldyh@redhat.com>
11292
11293         * postreload.c (move2add_note_store): Only call
11294         trunc_int_for_mode on scalar integers.
11295
11296 2005-01-14  Steven Bosscher  <stevenb@suse.de>
11297
11298         * tree-ssa-dce.c (visited_control_parents): New sbitmap to
11299         replace BB_VISITED uses.
11300         (find_obviously_necessary_stmts): Don't clear BB_VISITED.
11301         (propagate_necessity): Check the bitmap instead of BB_VISITED.
11302         (tree_dce_done): Free visited_control_parents.
11303         (perform_tree_ssa_dce): Allocate and clear it.
11304         * tree-ssa-pre.c (compute_antic_aux): Make non-recursive.
11305         (compute_antic): Iterate from here using a DFS.  Use an sbitmap
11306         instead of BB_VISITED.
11307
11308 2005-01-14  Kazu Hirata  <kazu@cs.umass.edu>
11309
11310         * c-tree.h, coverage.h, langhooks-def.h, optabs.h, output.h,
11311         rtl.h, targhooks.h, tree-flow.h, tree-mudflap.h, tree.h:
11312         Remove unused prototypes.
11313
11314 2005-01-14  Aldy Hernandez  <aldyh@redhat.com>
11315
11316         * config/rs6000/rs6000.c (rs6000_stack_info): Fix caching of SPE
11317         64-bit register usage.
11318         (spe_func_has_64bit_regs_p): Add FIXME note.
11319
11320 2005-01-14  Aldy Hernandez  <aldyh@redhat.com>
11321
11322         * config/rs6000/rs6000.c (rs6000_generate_compare): Replace
11323         flag_finite_math_only with flag_unsafe_math_optimizations.
11324
11325 2005-01-14  J. D. Johnston  <jjohnst@us.ibm.com>
11326
11327         * config/s390/tpf-unwind.h (s390_fallback_frame_state): Correct
11328         end-of-stack check.
11329         (__tpf_eh_return): Copy TPF private stack area from the module
11330         boundary stack frame.  Add check for when module addresses are
11331         equal, but no stub address is found.
11332
11333 2005-01-14  Richard Earnshaw  <rearnsha@arm.com>
11334
11335         PR target/7525
11336         * arm.h (struct machine_function): Add call_via field.
11337         (thumb_call_via_label): Declare.
11338         * arm.c (thumb_call_via_label): New variable.
11339         (thumb_call_reg_needed): New variable.
11340         (arm_output_function_epilogue): For Thumb code, output any per-function
11341         call-indirect trampolines.
11342         (thumb_call_via_reg): New function.
11343         (arm_file_end): New function.
11344         (TARGET_ASM_FILE_END): Call arm_file_end.
11345         (aof_file_end): Likewise.
11346         * arm-protos.h (thumb_call_via_reg): Declare.
11347         * arm.md (call_reg_thumb, call_value_reg_thumb): Call
11348         thumb_call_via_reg in normal case.
11349
11350 2005-01-14  Jakub Jelinek  <jakub@redhat.com>
11351
11352         PR middle-end/19084
11353         PR rtl-optimization/19348
11354         * recog.c (peephole2_optimize): Do global life update if some peephole
11355         decides it doesn't need at least one of its inputs and that change
11356         influences liveness at the start of the basic block.
11357
11358         * basic-block.h (EXECUTE_IF_AND_COMPL_IN_REG_SET): Needs 2 REGSET
11359         arguments instead of 1.
11360
11361 2005-01-14  Eric Botcazou  <ebotcazou@libertysurf.fr>
11362
11363         PR middle-end/18820
11364         * varasm.c (initializer_constant_valid_p) <ADDR_EXPR>: Return
11365         zero for nested functions needing a static chain or functions
11366         with a non-constant address.
11367
11368 2005-01-13  Roger Sayle  <roger@eyesopen.com>
11369
11370         * simplify-rtx.c (simplify_binary_operation) <AND>: Optimize
11371         (and (sign_extend X) C) into (zero_extend (and X C)).
11372
11373 2005-01-13  David O'Brien  <obrien@FreeBSD.org>
11374
11375         * config/freebsd-spec.h:  Make KSE pthread lib logic the default.
11376
11377 2005-01-13  Richard Henderson  <rth@redhat.com>
11378
11379         PR target/19009
11380         PR target/19250
11381         PR target/19252
11382         * config/i386/i386.md (cmpdf, cmpsf, bunordered, bordered, buneq,
11383         bunge, bungt, bunle, bunlt, bltgt): Enable for TARGET_SSE_MATH,
11384         not just TARGET_SSE.
11385         (cmpfp_i_387): Rename from cmpfp_i.  Move after sse patterns.
11386         (cmpfp_i_mixed): Rename from cmpfp_i_sse; use for TARGET_MIX_SSE_I387.
11387         (cmpfp_i_sse): Rename from cmpfp_i_sse_only; use for TARGET_SSE_MATH.
11388         (cmpfp_iu_mixed, cmpfp_iu_sse, cmpfp_iu_387): Similarly.
11389         (fp_jcc_1_mixed, fp_jcc_1_sse, fp_jcc_1_387): Similarly.
11390         (fp_jcc_2_mixed, fp_jcc_2_sse, fp_jcc_2_387): Similarly.
11391         (fp_jcc_3_387, fp_jcc_4_387, fp_jcc_5_387, fp_jcc_6_387,
11392         fp_jcc_7_387, fp_jcc_8_387): Rename from fp_jcc_N.
11393         (movdicc_c_rex64): Rename with '*'.
11394         (movsfcc, movdfcc): Add checks for 387 and sse math to condition.
11395         (movsfcc_1_sse_min, movsfcc_1_sse_max, movsfcc_1_sse): New.
11396         (movsfcc_1_387): Rename from movsfcc_1.
11397         (movdfcc_1_sse_min, movdfcc_1_sse_max, movdfcc_1_sse): New.
11398         (movdfcc_1, movdfcc_1_rex64): Add check for 387.
11399         (sminsf3, smaxsf3, smindf3, smaxdf3): New.
11400         (minsf3, minsf, minsf_nonieee, minsf_sse, mindf3, mindf,
11401         mindf_nonieee, mindf_sse, maxsf3, maxsf, maxsf_nonieee, maxsf_sse,
11402         maxdf3, maxdf, maxdf_nonieee, maxdf_sse, sse_movsfcc, sse_movsfcc_eq,
11403         sse_movdfcc, sse_movdfcc_eq, sse_movsfcc_const0_1,
11404         sse_movsfcc_const0_2, sse_movsfcc_const0_3, sse_movsfcc_const0_4,
11405         sse_movdfcc_const0_1, sse_movdfcc_const0_2, sse_movdfcc_const0_3,
11406         sse_movdfcc_const0_4): Remove.
11407         * config/i386/i386.c (ix86_expand_fp_movcc): For TARGET_SSE_MATH,
11408         recognize min/max early.  Update for changed sse cmove patterns.
11409         (ix86_split_sse_movcc): New.
11410         * config/i386/i386-protos.h: Update.
11411
11412 2005-01-13  Steven Bosscher  <stevenb@suse.de>
11413
11414         * tree-ssa-dse.c (fix_phi_uses): Use SSA operand iterators.
11415         (fix_stmt_v_may_defs): Likewise.
11416
11417 2005-01-13  Richard Henderson  <rth@redhat.com>
11418
11419         * config/i386/i386.c (ix86_expand_fp_absneg_operator): Use elt_mode
11420         for converting the mask.
11421
11422 2005-01-13  David Edelsohn  <edelsohn@gnu.org>
11423
11424         * config/rs6000/aix52.h (CPLUSPLUS_CPP_SPEC): Change _XOPEN_SOURCE
11425         definition to 600.
11426
11427 2005-01-13  Richard Henderson  <rth@redhat.com>
11428
11429         * config/i386/i386.c (IX86_BUILTIN_MOVQ, IX86_BUILTIN_LOADD,
11430         IX86_BUILTIN_STORED, IX86_BUILTIN_MOVQ2DQ,
11431         IX86_BUILTIN_MOVDQ2Q): Remove.
11432         (IX86_BUILTIN_VEC_EXT_V4SI): New.
11433         (ix86_init_mmx_sse_builtins, ix86_expand_builtin): Update to match.
11434         (ix86_expand_vector_extract): For V4S[FI], extract element 0 after
11435         shuffling.
11436         * config/i386/sse.md (sse_concatv2sf): Accept zero operand 2.
11437         (sse2_pextrw): Fix immediate constraint.
11438         (sse2_loadq, sse2_loadq_rex64): Remove.
11439         * config/i386/emmintrin.h (_mm_cvtsi128_si32, _mm_cvtsi128_si64x):
11440         Use __builtin_ia32_vec_ext_<size>.
11441         (_mm_cvtsi32_si128, _mm_cvtsi64x_si128): Use _mm_set_epi<size>.
11442
11443 2005-01-13  Aldy Hernandez  <aldyh@redhat.com>
11444
11445         * function.c (assign_parm_setup_block): Look inside original
11446         entry_parm when inspecting PARALLEL.
11447
11448 2005-01-13  Ralf Corsepius  <ralf.corsepius@rtems.org>
11449             Joel Sherrill  <joel@oarcorp.com>
11450
11451         PR target/19399
11452         * gthr-rtems.h (__gthread_recursive_mutex_t): New type.
11453         (__GTHREAD_RECURSIVE_MUTEX_INIT_FUNCTION): Define to
11454         rtems_gxx_recursive_mutex_init.
11455         (__gthread_recursive_mutex_lock): New function.
11456         (__gthread_recursive_mutex_trylock): Likewise.
11457         (__gthread_recursive_mutex_unlock): Likewise.
11458
11459 2005-01-13  Ralf Corsepius <ralf.corsepius@rtems.org>
11460
11461         * config/i386/t-rtems-i386: Multilib on -mtune instead of -mcpu.
11462
11463 2005-01-13  Jan Beulich  <jbeulich@novell.com>
11464
11465         * config/ia64/ia64.md (ashlti3, ashlti3_internal): New.
11466         (ashrti3_internal): Indicate output is early clobber. Generate result
11467         into output rather than first input. Use move for low word of output
11468         if shift count is exactly 64.
11469         (lshrti3_internal): Likewise.
11470
11471 2005-01-13  Hans-Peter Nilsson  <hp@bitrange.com>
11472
11473         PR target/18329
11474         PR target/18330
11475         * reload1.c (delete_output_reload): Don't delete an output reload
11476         if the pseudo lives longer than a single basic block.  Adjust and
11477         improve wording of comment.
11478
11479 2005-01-12  Andrew Pinski  <pinskia@physics.uc.edu>
11480
11481         PR target/19334
11482         * config/darwin.c (machopic_select_section): Use TYPE_SIZE_UNIT instead
11483         of TYPE_SIZE where we mean the number of bytes.
11484
11485 2005-01-12  Aldy Hernandez  <aldyh@redhat.com>
11486
11487         * function.c (assign_parm_setup_block): Relax condition on
11488         multi-register optimization.
11489
11490 2005-01-12  Nick Clifton  <nickc@redhat.com>
11491
11492         * config/sh/sh.md (udivsi3_sh2a, divsi3_sh2a): Give these patterns
11493         an "in_delay_slot" attribute of "no" to prevent them being used in
11494         delay slots.  This is forbidden because they might generate
11495         exceptions.
11496
11497 2005-01-12  Alan Modra  <amodra@bigpond.net.au>
11498
11499         PR target/19389
11500         * config/rs6000/rs6000.md (movtf_internal): Replace r->o and m->r
11501         with r->Y and Y->r.
11502
11503 2005-01-12  Nick Clifton  <nickc@redhat.com>
11504
11505         * config/iq2000/iq2000.h (ASM_SPEC): Undefine (to stop -Qy being
11506         passed on to GAS) but do not define, as GAS no longer supports or
11507         needs the -m2000 option.
11508
11509 2005-01-11  Roger Sayle  <roger@eyesopen.com>
11510
11511         * builtins.c (fold_builtin_fabs): Convert argument to the appropriate
11512         type as args of unprototyped builtins aren't automatically promoted.
11513         (fold_builtin_abs): Likewise.
11514
11515 2005-01-11  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
11516
11517         * Makefile.in: Set a `build-warn' variable.
11518
11519 2005-01-11  Zdenek Dvorak  <dvorakz@suse.cz>
11520
11521         PR tree-optimization/17949
11522         * tree-ssa-loop-ivopts.c (may_be_unaligned_p): New function.
11523         (find_interesting_uses_address): Use it.
11524
11525 2005-01-11  Aldy Hernandez  <aldyh@redhat.com>
11526
11527         * regrename.c (kill_value): Handle subreg's that won't simplify.
11528
11529 2005-01-11  Richard Henderson  <rth@redhat.com>
11530
11531         PR target/13366
11532         * config/i386/i386.h (enum ix86_builtins): Move ...
11533         * config/i386/i386.c: ... here.
11534         (IX86_BUILTIN_MOVDDUP, IX86_BUILTIN_MMX_ZERO, IX86_BUILTIN_PEXTRW,
11535         IX86_BUILTIN_PINSRW, IX86_BUILTIN_LOADAPS, IX86_BUILTIN_LOADSS,
11536         IX86_BUILTIN_STORESS, IX86_BUILTIN_SSE_ZERO, IX86_BUILTIN_PEXTRW128,
11537         IX86_BUILTIN_PINSRW128, IX86_BUILTIN_LOADAPD, IX86_BUILTIN_LOADSD,
11538         IX86_BUILTIN_STOREAPD, IX86_BUILTIN_STORESD,  IX86_BUILTIN_STOREHPD,
11539         IX86_BUILTIN_STORELPD, IX86_BUILTIN_SETPD1, IX86_BUILTIN_SETPD,
11540         IX86_BUILTIN_CLRPD, IX86_BUILTIN_LOADPD1, IX86_BUILTIN_LOADRPD,
11541         IX86_BUILTIN_STOREPD1, IX86_BUILTIN_STORERPD, IX86_BUILTIN_LOADDQA,
11542         IX86_BUILTIN_STOREDQA, IX86_BUILTIN_CLRTI,
11543         IX86_BUILTIN_LOADDDUP): Remove.
11544         (IX86_BUILTIN_VEC_INIT_V2SI, IX86_BUILTIN_VEC_INIT_V4HI,
11545         IX86_BUILTIN_VEC_INIT_V8QI, IX86_BUILTIN_VEC_EXT_V2DF,
11546         IX86_BUILTIN_VEC_EXT_V2DI, IX86_BUILTIN_VEC_EXT_V4SF,
11547         IX86_BUILTIN_VEC_EXT_V8HI, IX86_BUILTIN_VEC_EXT_V4HI,
11548         IX86_BUILTIN_VEC_SET_V8HI, IX86_BUILTIN_VEC_SET_V4HI): New.
11549         (ix86_init_builtins): Make static.
11550         (ix86_init_mmx_sse_builtins): Update for changed builtins.
11551         (ix86_expand_binop_builtin): Only use ix86_fixup_binary_operands
11552         if all the modes match.  Otherwise, fake it.
11553         (get_element_number, ix86_expand_vec_init_builtin,
11554         ix86_expand_vec_ext_builtin, ix86_expand_vec_set_builtin): New.
11555         (ix86_expand_builtin): Make static.  Update for changed builtins.
11556         (ix86_expand_vector_move_misalign): Use sse2_loadlpd with zero
11557         operand instead of sse2_loadsd.  Cast sse1 fallback to V4SFmode.
11558         (ix86_expand_vector_init_duplicate): New.
11559         (ix86_expand_vector_init_low_nonzero): New.
11560         (ix86_expand_vector_init_one_var, ix86_expand_vector_init_general):
11561         Split out from ix86_expand_vector_init; handle integer modes.
11562         (ix86_expand_vector_init): Use them.
11563         (ix86_expand_vector_set, ix86_expand_vector_extract): New.
11564         * config/i386/i386-protos.h: Update.
11565         * config/i386/predicates.md (reg_or_0_operand): New.
11566         * config/i386/mmx.md (mov<MMXMODEI>_internal): Add 'r' variants.
11567         (movv2sf_internal): Likewise.  And a splitter to match them all.
11568         (vec_dupv2sf, mmx_concatv2sf, vec_setv2sf, vec_extractv2sf,
11569         vec_initv2sf, vec_dupv4hi, vec_dupv2si, mmx_concatv2si, vec_setv2si,
11570         vec_extractv2si, vec_initv2si, vec_setv4hi, vec_extractv4hi,
11571         vec_initv4hi, vec_setv8qi, vec_extractv8qi, vec_initv8qi): New.
11572         (mmx_pinsrw): Fix operand ordering.
11573         * config/i386/sse.md (movv4sf splitter): Use direct pattern,
11574         rather than sse_loadss expander.
11575         (movv2df splitter): Similarly.
11576         (sse_loadss, sse_loadlss): Remove.
11577         (vec_dupv4sf, sse_concatv2sf, sse_concatv4sf, vec_extractv4sf_0): New.
11578         (vec_setv4sf, vec_setv2df): Use ix86_expand_vector_set.
11579         (vec_extractv4sf, vec_extractv2df): Use ix86_expand_vector_extract.
11580         (sse3_movddup): Rename with '*'.
11581         (sse3_movddup splitter): Use gen_rtx_REG instead of gen_lowpart.
11582         (sse2_loadsd): Remove.
11583         (vec_dupv2df_sse3): Rename from sse3_loadddup.
11584         (vec_dupv2df, vec_concatv2df_sse3, vec_concatv2df): New.
11585         (sse2_pinsrw): Fix argument ordering.
11586         (sse2_loadld, sse2_loadq): Add sse1 alternatives.
11587         (sse2_stored): Remove 'r' destination.
11588         (vec_dupv4si, vec_dupv2di, sse2_concatv2si, sse1_concatv2si,
11589         vec_concatv4si_1, vec_concatv2di, vec_setv2di, vec_extractv2di,
11590         vec_initv2di, vec_setv4si, vec_extractv4si, vec_initv4si,
11591         vec_setv8hi, vec_extractv8hi, vec_initv8hi, vec_setv16qi,
11592         vec_extractv16qi, vec_initv16qi): New.
11593
11594         * config/i386/emmintrin.h (__m128i, __m128d): Use typedef, not define.
11595         (_mm_set_sd, _mm_set1_pd, _mm_setzero_pd, _mm_set_epi64x,
11596         _mm_set_epi32, _mm_set_epi16, _mm_set_epi8, _mm_setzero_si128): Use
11597         constructor form.
11598         (_mm_load_pd, _mm_store_pd): Use plain dereference.
11599         (_mm_load_si128, _mm_store_si128): Likewise.
11600         (_mm_load1_pd): Use _mm_set1_pd.
11601         (_mm_load_sd): Use _mm_set_sd.
11602         (_mm_store_sd, _mm_storeh_pd): Use __builtin_ia32_vec_ext_v2df.
11603         (_mm_store1_pd, _mm_storer_pd): Use _mm_store_pd.
11604         (_mm_set_epi64): Use _mm_set_epi64x.
11605         (_mm_set1_epi64x, _mm_set1_epi64, _mm_set1_epi32, _mm_set_epi16,
11606         _mm_set1_epi8, _mm_setr_epi64, _mm_setr_epi32, _mm_setr_epi16,
11607         _mm_setr_epi8): Use _mm_set_foo form.
11608         (_mm_loadl_epi64, _mm_movpi64_epi64, _mm_move_epi64): Use _mm_set_epi64.
11609         (_mm_storel_epi64, _mm_movepi64_pi64): Use __builtin_ia32_vec_ext_v2di.
11610         (_mm_extract_epi16): Use __builtin_ia32_vec_ext_v8hi.
11611         (_mm_insert_epi16): Use __builtin_ia32_vec_set_v8hi.
11612         * config/i386/mmintrin.h (_mm_setzero_si64): Use plain cast.
11613         (_mm_set_pi32): Use __builtin_ia32_vec_init_v2si.
11614         (_mm_set_pi16): Use __builtin_ia32_vec_init_v4hi.
11615         (_mm_set_pi8): Use __builtin_ia32_vec_init_v8qi.
11616         (_mm_set1_pi16, _mm_set1_pi8): Use _mm_set_piN variant.
11617         * config/i386/pmmintrin.h (_mm_loaddup_pd): Use _mm_load1_pd.
11618         (_mm_movedup_pd): Use _mm_shuffle_pd.
11619         * config/i386/xmmintrin.h (_mm_setzero_ps, _mm_set_ss,
11620         _mm_set1_ps, _mm_set_ps, _mm_setr_ps): Use constructor form.
11621         (_mm_cvtpi16_ps, _mm_cvtpu16_ps, _mm_cvtpi8_ps, _mm_cvtpu8_ps,
11622         _mm_cvtps_pi8, _mm_cvtpi32x2_ps): Avoid __builtin_ia32_mmx_zero;
11623         Use _mm_setzero_ps.
11624         (_mm_load_ss, _mm_load1_ps): Use _mm_set* form.
11625         (_mm_load_ps, _mm_loadr_ps): Use raw dereference.
11626         (_mm_store_ss): Use __builtin_ia32_vec_ext_v4sf.
11627         (_mm_store_ps): Use raw dereference.
11628         (_mm_store1_ps): Use _mm_storeu_ps.
11629         (_mm_storer_ps): Use _mm_store_ps.
11630         (_mm_extract_pi16): Use __builtin_ia32_vec_ext_v4hi.
11631         (_mm_insert_pi16): Use __builtin_ia32_vec_set_v4hi.
11632
11633 2005-01-11  Stan Shebs  <shebs@apple.com>
11634
11635         * config/rs6000/rs6000.c (machopic_output_stub): Issue
11636         ldu instead of lwzu if 64-bit -mdynamic-no-pic.
11637
11638 2005-01-11  Andrew Pinski  <pinskia@physics.uc.edu>
11639
11640         PR target/18761
11641         * config/rs6000/rs6000.c (rs6000_special_round_type_align):
11642         Skip all DECLs except for FIELD_DECLs.
11643
11644 2005-01-11  Andreas Krebbel  <krebbel1@de.ibm.com>
11645
11646         * config/s390/s390.c (override_options): Return error if
11647         -mbackchain, -mpacked-stack and -mhard-float are used together.
11648         (s390_va_start): Remove the backchain && packed-stack special case.
11649         (s390_gimplify_va_arg): Likewise.
11650         * doc/invoke.texi: Remove the ABI incompatibility note.
11651
11652 2005-01-11  Andreas Krebbel  <krebbel1@de.ibm.com>
11653
11654         * config/s390/s390.c (struct s390_frame_layout): Remove
11655         save_backchain_p.
11656         (s390_frame_info, s390_emit_prologue): Replace occurrences of
11657         save_backchain_p with TARGET_BACKCHAIN.
11658
11659 2005-01-11  Alan Modra  <amodra@bigpond.net.au>
11660
11661         PR target/18916
11662         * builtins.c (std_gimplify_va_arg_expr): Adjust alignment of *ap.
11663         * expr.h (struct locate_and_pad_arg_data): Add "boundary".
11664         * function.c (locate_and_pad_parm): Set new field.
11665         (assign_parm_find_stack_rtl): Use it instead of FUNCTION_ARG_BOUNDARY.
11666         Tweak where_pad test to include "none".  Always set mem align for
11667         stack_parm.
11668         (assign_parm_adjust_stack_rtl): Discard stack_parm if alignment
11669         not sufficient for type.
11670         (assign_parm_setup_block): If stack_parm is zero on entry, always
11671         make a new stack local.  Block move old stack parm if necessary
11672         to new aligned stack local.
11673         (assign_parm_setup_stack): Use a block move to handle
11674         potentially misaligned entry_parm.
11675         (assign_parms_unsplit_complex): Specify required alignment when
11676         creating stack local.
11677         * calls.c (compute_argument_addresses): Override alignment of stack
11678         arg calculated from its type with the alignment given by
11679         FUNCTION_ARG_BOUNDARY.
11680         (store_one_arg): Likewise.
11681
11682 2005-01-11  Jan Beulich  <jbeulich@novell.com>
11683
11684         * config/ia64/ia64.md (zero_extendsidi2): Replace zxt4 by addp4.
11685         Change respective itanium_class attribute to ialu.
11686         (shladdp4_internal): New.
11687         * config/ia64/predicates.md (shladd_log2_operand): New.
11688
11689 2005-01-11  Richard Henderson  <rth@redhat.com>
11690
11691         * expr.c (store_constructor): Use rtvec_alloc instead of
11692         alloca+gen_rtvec_v, and an incorrect number passed to alloca.
11693
11694 2005-01-11  Kazu Hirata  <kazu@cs.umass.edu>
11695
11696         * config/alpha/alpha.c, config/i386/mmx.md: Fix comment typos.
11697
11698 2005-01-11  Alan Modra  <amodra@bigpond.net.au>
11699
11700         * varasm.c (default_section_type_flags_1): Don't set SECTION_SMALL.
11701         * config/ia64/ia64.c (TARGET_SECTION_TYPE_FLAGS): Define.
11702         (TARGET_RWRELOC): Define.
11703         (ia64_rwreloc_section_type_flags): Delete.
11704         (ia64_section_type_flags): New function.
11705         * config/ia64/hpux.h (TARGET_SECTION_TYPE_FLAGS): Don't define.
11706         (TARGET_RWRELOC): Define.
11707
11708 2005-01-10  David Mosberger  <davidm@hpl.hp.com>
11709
11710         PR target/18987
11711         * config/ia64/ia64.c (process_set): For alloc insn, only call
11712         process_epilogue is !frame_pointer_needed.
11713
11714 2005-01-10  Roger Sayle  <roger@eyesopen.com>
11715
11716         PR c++/19355
11717         * c-common.c (c_common_truthvalue_conversion): TRUTH_NOT_EXPR is a
11718         unary operator and can't be treated as a binary/comparison operator.
11719
11720 2005-01-10  Richard Henderson  <rth@redhat.com>
11721
11722         * config/i386/i386.c (ix86_function_value): Use type_natural_mode.
11723         (ix86_return_in_memory): Likewise.
11724         (function_arg_advance):  Likewise.  Mirror structure in function_arg
11725         for choosing register to advance.
11726
11727 2005-01-10  Kazu Hirata  <kazu@cs.umass.edu>
11728
11729         * tree-vectorizer.c, tree.def: Fix comment typos.
11730
11731 2005-01-10  Mark Dettinger  <dettinge@de.ibm.com>
11732
11733         * config/s390/s390.c (struct processor_costs): 4 new fields:
11734         ddbr, ddr, debr, der.
11735         (s390_rtx_costs): More precise handling of divide instructions.
11736
11737 2005-01-10  David Edelsohn  <edelsohn@gnu.org>
11738
11739         * config/rs6000/t-aix43 (BOOT_LDFLAGS): Define.
11740
11741 2005-01-10  Jan Beulich  <jbeulich@novell.com>
11742
11743         * config/ia64/ia64.c (ia64_in_small_data_p): Also handle the section
11744         names resulting from -ffunction-sections/-fdata-sections and linkonce
11745         ones.
11746         * varasm.c (default_section_type_flags_1): Also set SECTION_SMALL
11747         based on the section name. Rearrange the section name comparison logic
11748         slightly so that each section name is compared against at most once.
11749
11750 2005-01-10  Ben Elliston  <bje@au.ibm.com>
11751
11752         * doc/invoke.texi (Code Gen Options): Add PowerPC to the list of
11753         targets for which -fPIC reduces limitations on the GOT size.
11754
11755 2005-01-09  Falk Hueffner  <falk@debian.org>
11756
11757         * fold-const.c (fold): Also handle EXACT_DIV_EXPR when folding
11758         X/C1 cmpop C2.
11759
11760 2005-01-09  David Edelsohn  <edelsohn@gnu.org>
11761
11762         PR target/18720
11763         * collect2.c (main): Set aixrtl_flag for -brtl option.
11764         (resolve_lib_name): Search for .so file extension before .a
11765         if aixrtl_flag set.
11766
11767 2005-01-09  Dorit Naishlos  <dorit@il.ibm.com>
11768
11769         * tree-vectorizer.c (vect_enhance_data_refs_alignment): Add dump prints.
11770         (vect_analyze_data_refs_alignment): Add dump prints.
11771
11772 2005-01-09  Ira Rosen  <irar@il.ibm.com>
11773
11774         * tree-vectorizer.c (vect_analyze_offset_expr): Use
11775         expr_invariant_in_loop_p.
11776         Initialize outputs first thing in the function.
11777         (vect_update_ivs_after_vectorizer): Call initial_condition_in_loop_num.
11778         (vect_is_simple_iv_evolution): Call initial_condition_in_loop_num.
11779         (vect_analyze_pointer_ref_access): Check that the initial condition of
11780         the access function is loop invariant.
11781
11782 2005-01-09  Richard Henderson  <rth@redhat.com>
11783
11784         * config/i386/i386.c (bdesc_2arg): Update names for mmx_ prefixes.
11785         (ix86_expand_builtin): Likewise.  Frob MASKMOVQ wrt the input mem
11786         just like MASKMOVDQU.  Return plain zero for MMX_ZERO.
11787         * config/i386/i386.md (MMXMODEI, mov<MMXMODEI>,
11788         mov<MMXMODEI>_internal_rex64, mov<MMXMODEI>_internal, movv2sf,
11789         movv2sf_internal_rex64, movv2sf_internal, MMXMODE,
11790         movmisalign<MMXMODE>, mmx_pmovmskb, mmx_maskmovq, mmx_maskmovq_rex,
11791         sse_movntdi, addv8qi3, addv4hi3, addv2si3, mmx_adddi3, ssaddv8qi3,
11792         ssaddv4hi3, usaddv8qi3, usaddv4hi3, subv8qi3, subv4hi3, subv2si3,
11793         mmx_subdi3, sssubv8qi3, sssubv4hi3, ussubv8qi3, ussubv4hi3,
11794         mulv4hi3, smulv4hi3_highpart, umulv4hi3_highpart, mmx_pmaddwd,
11795         sse2_umulsidi3, mmx_iordi3, mmx_xordi3, mmx_anddi3, mmx_nanddi3,
11796         mmx_uavgv8qi3, mmx_uavgv4hi3, mmx_psadbw, mmx_pinsrw, mmx_pinsrw,
11797         mmx_pextrw, mmx_pshufw, eqv8qi3, eqv4hi3, eqv2si3, gtv8qi3, gtv4hi3,
11798         gtv2si3, umaxv8qi3, smaxv4hi3, uminv8qi3, sminv4hi3, ashrv4hi3,
11799         ashrv2si3, lshrv4hi3, lshrv2si3, mmx_lshrdi3, ashlv4hi3, ashlv2si3,
11800         mmx_ashldi3, mmx_packsswb, mmx_packssdw, mmx_packuswb, mmx_punpckhbw,
11801         mmx_punpckhwd, mmx_punpckhdq, mmx_punpcklbw, mmx_punpcklwd,
11802         mmx_punpckldq, emms, addv2sf3, subv2sf3, subrv2sf3, gtv2sf3, gev2sf3,
11803         eqv2sf3, pfmaxv2sf3, pfminv2sf3, mulv2sf3, femms, pf2id, pf2iw,
11804         pfacc, pfnacc, pfpnacc, pi2fw, floatv2si2, pfrcpv2sf2, pfrcpit1v2sf3,
11805         pfrcpit2v2sf3, pfrsqrtv2sf2, pfrsqit1v2sf3, pmulhrwv4hi3, pswapdv2si2,
11806         pswapdv2sf2): Move to mmx.md; rename as necessary with leading
11807         mmx_ prefix.
11808         (mmx_clrdi, pavgusb): Remove.
11809         (ldmxcsr, stmxcsr, sfence, sfence_insn): Move to sse.md; rename
11810         with leading sse_ prefix.
11811         * config/i386/sse.md: Receive them.
11812         * config/i386/mmx.md: New file.
11813         (MMXMODE12, MMXMODE24, mmxvecsize): New.
11814         (subrv2sf3): Turn into expander for normal subtraction.
11815         (mmx_addv2sf3, mmx_mulv2sf3, mmx_smaxv2sf3, mmx_sminv2sf3,
11816         mmx_eqv2sf3, mmx_mulv4hi3, mmx_smulv4hi3_highpart,
11817         mmx_umulv4hi3_highpart, mmx_pmaddwd, mmx_pmulhrwv4hi3, sse2_umulsidi3,
11818         mmx_umaxv8qi3, mmx_smaxv4hi3, mmx_uminv8qi3, mmx_sminv4hi3): Mark
11819         commutative; use ix86_binary_operator_ok.
11820         (mmx_add<MMXMODEI>3, mmx_ssadd<MMXMODE12>3, mmx_usadd<MMXMODE12>3,
11821         mmx_sub<MMXMODEI>3, mmx_sssub<MMXMODE12>3, mmx_ussub<MMXMODE12>3
11822         mmx_ashr<MMXMODE24>3, mmx_lshr<MMXMODE23>3, mmx_ashl<MMXMODE24>3
11823         mmx_eq<MMXMODEI>3, mmx_gt<MMXMODEI>3, mmx_and<MMXMODEI>3,
11824         mmx_nand<MMXMODEI>3, mmx_ior<MMXMODEI>3, mmx_xor<MMXMODEI>3):
11825         Macroize from existing patterns; use ix86_binary_operator_ok.
11826         (mmx_packsswb, mmx_packssdw, mmx_packuswb): Add memory alternative.
11827         (mmx_punpckhbw, mmx_punpcklbw, mmx_punpckhwd, mmx_punpcklwd,
11828         mmx_punpckhdq, mmx_punpckhdq, mmx_punpckldq): Likewise.  Model
11829         with vec_select+vec_concat.
11830         (mmx_pshufw, mmx_pshufw_1): Likewise.
11831         (mmx_uavgv8qi3): Merge pavgusb.  Model correcty.
11832         (mmx_uavgv4hi3): Model correctly.
11833         * config/i386/mmintrin.h (_mm_and_si64, _mm_andnot_si64, _mm_or_si64,
11834         _mm_xor_si64): Remove casts.
11835
11836 2005-01-09  Zdenek Dvorak  <dvorakz@suse.cz>
11837
11838         PR tree-optimization/19224
11839         * tree-scalar-evolution.c (get_instantiated_value,
11840         set_instantiated_value): New functions.
11841         (instantiate_parameters_1): Cache the results.
11842         (instantiate_parameters, resolve_mixers): Initialize and free
11843         the cache.
11844
11845 2005-01-08  David Edelsohn  <edelsohn@gnu.org>
11846
11847         * config/i386/i386.md (addhi_4): Correct reference in comment.
11848         (addqi_4): Same.
11849
11850 2005-01-08  Richard Henderson  <rth@redhat.com>
11851
11852         * config/i386/emmintrin.h (_mm_cvtsi128_si32): Move earlier.
11853         (_mm_cvtsi128_si64x): Likewise.
11854         (_mm_srl_epi64, _mm_srl_epi32, _mm_srl_epi16, _mm_sra_epi32,
11855         _mm_sra_epi16, _mm_sll_epi64, _mm_sll_epi32, _mm_sll_epi16): Use
11856         the _mm_{srl,sll}i_foo counterpart, and _mm_cvtsi128_si32.
11857         * config/i386/i386-modes.def: Add V16HI, V32QI, V4DF, V8SF.
11858         * config/i386/i386-protos.h: Update.
11859         * config/i386/i386.c (print_operand): Add 'H'.
11860         (ix86_fixup_binary_operands): Split out from ...
11861         (ix86_expand_binary_operator): ... here.
11862         (ix86_fixup_binary_operands_no_copy): New.
11863         (ix86_expand_fp_absneg_operator): Handle vector mode results.
11864         (bdesc_2arg): Update names for sse{,2,3}_ prefixes.
11865         (ix86_init_mmx_sse_builtins): Remove *maskncmp* special cases.
11866         (safe_vector_operand): Use CONST0_RTX.
11867         (ix86_expand_binop_builtin): Use ix86_fixup_binary_operands.
11868         (ix86_expand_builtin): Merge CODE_FOR_sse2_maskmovdqu_rex64 and
11869         CODE_FOR_sse2_maskmovdqu.  Special case SSE version of MASKMOVDQU
11870         expansion.  Update names for sse{,2,3}_ prefixes.  Remove *maskncmp*
11871         special cases.
11872         * config/i386/i386.h (IX86_BUILTIN_CMPNGTSS): New.
11873         (IX86_BUILTIN_CMPNGESS): New.
11874         * config/i386/i386.md (UNSPEC_FIX_NOTRUNC): New.
11875         (attr type): Add sselog1.
11876         (attr unit, attr memory): Handle it.
11877         (movti, movti_internal, movti_rex64): Move near other integer moves.
11878         (movtf, movtf_internal): Move near other fp moves.
11879         (SSEMODE, SSEMODEI, vec_setv2df, vec_extractv2df, vec_initv2df,
11880         vec_setv4sf, vec_extractv4sf, vec_initv4sf, movv4sf, movv4sf_internal,
11881         movv2df, movv2df_internal, mov<SSEMODEI>, mov<SSEMODEI>_internal,
11882         movmisalign<SSEMODE>, sse_movups_1, sse_movmskps, sse_movntv4sf,
11883         sse_movhlps, sse_movlhps, sse_storehps, sse_loadhps, sse_storelps,
11884         sse_loadlps, sse_loadss, sse_loadss_1, sse_movss, sse_storess,
11885         sse_shufps, addv4sf3, vmaddv4sf3, subv4sf3, vmsubv4sf3, negv4sf2,
11886         mulv4sf3, vmmulv4sf3, divv4sf3, vmdivv4sf3, rcpv4sf2, vmrcpv4sf2,
11887         rsqrtv4sf2, vmrsqrtv4sf2, sqrtv4sf2, vmsqrtv4sf2, sse_andv4sf3,
11888         sse_nandv4sf3, sse_iorv4sf3, sse_xorv4sf3, sse2_andv2df3,
11889         sse2_nandv2df3, sse2_iorv2df3, sse2_xorv2df3, sse2_andv2di3,
11890         sse2_nandv2di3, sse2_iorv2di3, sse2_xorv2di3, maskcmpv4sf3,
11891         vmmaskcmpv4sf3, sse_comi, sse_ucomi, sse_unpckhps, sse_unpcklps,
11892         smaxv4sf3, vmsmaxv4sf3, sminv4sf3, vmsminv4sf3, cvtpi2ps, cvtps2pi,
11893         cvttps2pi, cvtsi2ss, cvtsi2ssq, cvtss2si, cvtss2siq, cvttss2si,
11894         cvttss2siq, addv2df3, vmaddv2df3, subv2df3, vmsubv2df3, mulv2df3,
11895         vmmulv2df3, divv2df3, vmdivv2df3, smaxv2df3, vmsmaxv2df3, sminv2df3,
11896         vmsminv2df3, sqrtv2df2, vmsqrtv2df2, maskcmpv2df3, vmmaskcmpv2df3,
11897         sse2_comi, sse2_ucomi, sse2_movmskpd, sse2_pmovmskb, sse2_maskmovdqu,
11898         sse2_maskmovdqu_rex64, sse2_movntv2df, sse2_movntv2di, sse2_movntsi,
11899         cvtdq2ps, cvtps2dq, cvttps2dq, cvtdq2pd, cvtpd2dq, cvttpd2dq,
11900         cvtpd2pi, cvttpd2pi, cvtpi2pd, cvtsd2si, cvtsd2siq, cvttsd2si,
11901         cvttsd2siq, cvtsi2sd, cvtsi2sdq, cvtsd2ss, cvtss2sd, cvtpd2ps,
11902         cvtps2pd, addv16qi3, addv8hi3, addv4si3, addv2di3, ssaddv16qi3,
11903         ssaddv8hi3, usaddv16qi3, usaddv8hi3, subv16qi3, subv8hi3, subv4si3,
11904         subv2di3, sssubv16qi3, sssubv8hi3, ussubv16qi3, ussubv8hi3, mulv8hi3,
11905         smulv8hi3_highpart, umulv8hi3_highpart, sse2_umulsidi3,
11906         sse2_umulv2siv2di3, sse2_pmaddwd, sse2_uavgv16qi3, sse2_uavgv8hi3,
11907         sse2_psadbw, sse2_pinsrw, sse2_pextrw, sse2_pshufd, sse2_pshuflw,
11908         sse2_pshufhw, eqv16qi3, eqv8hi3, eqv4si3, gtv16qi3, gtv8hi3,
11909         gtv4si3, umaxv16qi3, smaxv8hi3, uminv16qi3, sminv8hi3, ashrv8hi3,
11910         ashrv4si3, lshrv8hi3, lshrv4si3, lshrv2di3, ashlv8hi3, ashlv4si3,
11911         ashlv2di3, sse2_ashlti3, sse2_lshrti3, sse2_unpckhpd, sse2_unpcklpd,
11912         sse2_packsswb, sse2_packssdw, sse2_packuswb, sse2_punpckhbw,
11913         sse2_punpckhwd, sse2_punpckhdq, sse2_punpcklbw, sse2_punpcklwd,
11914         sse2_punpckldq, sse2_punpcklqdq, sse2_punpckhqdq, sse2_movupd,
11915         sse2_movdqu, sse2_movdq2q, sse2_movdq2q_rex64, sse2_movq2dq,
11916         sse2_movq2dq_rex64, sse2_loadd, sse2_stored, sse2_storehpd,
11917         sse2_loadhpd, sse2_storelpd, sse2_loadlpd, sse2_movsd, sse2_loadsd,
11918         sse2_loadsd_1, sse2_storesd, sse2_shufpd, sse2_clflush, sse2_mfence,
11919         mfence_insn, sse2_lfence, lfence_insn, mwait, monitor, addsubv4sf3,
11920         addsubv2df3, haddv4sf3, haddv2df3, hsubv4sf3, hsubv2df3, movshdup,
11921         movsldup, lddqu, loadddup, movddup): Move to sse.md.  Any with
11922         non-optabs meanings renamed with an "sse{,2,3}_" prefix at the
11923         same time.
11924         (SSEPUSH, push<SSEPUSH>): Remove.
11925         (MMXPUSH, push<MMXPUSH>): Remove.
11926         (sse_movaps, sse_movaps_1, sse_movups): Remove.
11927         (sse2_movapd, sse2_movdqa, sse2_movq): Remove.
11928         (sse2_andti3, sse2_nandti3, sse2_iorti3, sse2_xorti3): Remove.
11929         (sse_clrv4sf, sse_clrv2df, sse2_clrti): Remove.
11930         (maskncmpv4sf3, vmmaskncmpv4sf3): Remove.
11931         (maskncmpv2df3, vmmaskncmpv2df3): Remove.
11932         (ashrv8hi3_ti, ashrv4si3_ti, lshrv8hi3_ti, lshrv4si3_ti): Remove.
11933         (lshrv2di3_ti, ashlv8hi3_ti, ashlv4si3_ti, ashlv2di3_ti): Remove.
11934         * config/i386/athlon.md (athlon_sselog_load): Handle sselog1.
11935         (athlon_sselog_load_k8, athlon_sselog, athlon_sselog_k8): Likewise.
11936         * config/i386/ppro.md (ppro_sse_div_V4SF_load): Fix memory attr.
11937         (ppro_sse_log_V4SF_load): Similarly.  Handle sselog1.
11938         (ppro_sse_log_V4SF): Handle sselog1.
11939         * config/i386/predicates.md (const_0_to_1_operand): New.
11940         (const_0_to_255_mul_8_operand): New.
11941         (const_1_to_31_operand): Rename from const_int_1_31_operand.
11942         (const_2_to_3_operand, const_4_to_7_operand): New.
11943         * config/i386/sse.md: New file.
11944         (SSEMODE12, SSEMODE24, SSEMODE124, SSEMODE248, ssevecsize): New.
11945         (sse_movups): Rename from sse_movups_1.
11946         (sse_loadlss): Rename from sse_loadss_1.
11947         (andv4sf3, iorv4sf3, xorv4sf3, andv2df3): Remove the sse prefix
11948         from the name.
11949         (negv4sf2): Use ix86_expand_fp_absneg_operator.
11950         (absv4sf2, negv2df, absv2df): New.
11951         (addv4sf3): Add expander to call ix86_fixup_binary_operands_no_copy.
11952         (subv4sf3, mulv4sf3, divv4sf3, smaxv4sf3, sminv4sf3, andv4sf3,
11953         iorv4sf3, xorv4sf3, addv2df3, subv2df3, mulv2df3, divv2df3,
11954         smaxv2df3, sminv2df3, andv2df3, iorv2df3, xorv2df3, mulv8hi3,
11955         umaxv16qi3, smaxv8hi3, uminv16qi3, sminv8hi3): Likewise.
11956         (sse3_addsubv4sf3): Model correctly.
11957         sse3_haddv4sf3, sse3_hsubv4sf3, sse3_addsubv2df3, sse3_haddv2df3,
11958         sse3_hsubv2df3, sse2_ashlti3, sse2_lshrti3): Likewise.
11959         (sse_movhlps): Model with vec_select+vec_concat.
11960         (sse_movlhps, sse_unpckhps, sse_unpcklps, sse3_movshdup,
11961         sse3_movsldup, sse_shufps, sse_shufps_1, sse2_unpckhpd, sse3_movddup,
11962         sse2_unpcklpd, sse2_shufpd, sse2_shufpd_1, sse2_punpckhbw,
11963         sse2_punpcklbw, sse2_punpckhwd, sse2_punpcklwd, sse2_punpckhdq,
11964         sse2_punpckldq, sse2_punpckhqdq, sse2_punpcklqdq, sse2_pshufd,
11965         sse2_pshufd_1, sse2_pshuflw, sse2_pshuflw_1, sse2_pshufhw,
11966         sse2_pshufhw_1): Likewise.
11967         (neg<SSEMODEI>2, one_cmpl<SSEMODEI>2): New.
11968         (add<SSEMODEI>3, sse2_ssadd<SSEMODE12>3, sse2_usadd<SSEMODE12>3,
11969         sub<SSEMODEI>3, sse2_sssub<SSEMODE12>3, sse2_ussub<SSEMODE12>3,
11970         ashr<SSEMODE24>3, lshr<SSEMODE248>3, sse2_eq<SSEMODE124>3,
11971         sse2_gt<SSEMODDE124>3, and<SSEMODEI>3, sse_nand<SSEMODEI>3,
11972         ior<SSEMODEI>3, xor<SSEMODEI>3): Macroize from existing patterns.
11973         (addv4sf3, sse_vmaddv4sf3, mulv4sf3, sse_vmmulv4sf3, smaxv4sf3,
11974         sse_vmsmaxv4sf3, sminv4sf3, sse_vmsminv4sf3, addv2df3, sse2_vmaddv2df3,
11975         mulv2df3, sse2_vmmulv2df3, smaxv2df3, sse2_vmsmaxv2df3, sminv2df3,
11976         sse2_vmsminv2df3, umaxv16qi3, smaxv8hi3, uminv16qi3
11977         sminv8hi3): Mark commutative
11978         operands.  Use ix86_binary_operator_ok.
11979         (sse_unpckhps, sse_unpcklps, sse2_packsswb, sse2_packssdw,
11980         sse2_packuswb, sse2_punpckhbw, sse2_punpcklbw, sse2_punpckhwd,
11981         sse2_punpcklwd, sse2_punpckhdq, sse2_punpckldq, sse2_punpckhqdq,
11982         sse2_punpcklqdq): Allow operand2 in memory.
11983         (sse_movhlps, sse_movlhps, sse2_unpckhpd, sse2_unpcklpd
11984         sse2_movsd): Add memory alternatives.
11985         (sse_storelps): Turn expander into an insn; split after reload.
11986         (sse_storess, sse2_loadhpd, sse2_loadlpd): Add non-xmm inputs.
11987         (sse2_storehpd, sse2_storelpd): Add non-xmm outputs.
11988
11989 2005-01-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
11990
11991         * configure.ac (DWARF-2 debug_line): Use objdump.
11992         * configure: Regenerate.
11993
11994 2005-01-08  Jeff Law  <law@redhat.com>
11995             Diego Novillo  <dnovillo@redhat.com>
11996
11997         PR tree-optimization/18241
11998         * tree-nrv.c (tree_nrv): Ignore volatile return values.
11999         * tree-ssa-dse.c (dse_optimize_stmt): Do not optimize
12000         statements with volatile operands.
12001         * tree-ssa-operands.c (add_stmt_operand): Do add volatile
12002         operands after marking a statement with has_volatile_ops.
12003
12004 2005-01-08  Roger Sayle  <roger@eyesopen.com>
12005
12006         * tree.c (int_fits_type_p): Always honor integer constant
12007         TYPE_MIN_VALUE and TYPE_MAX_VALUE if they exist.
12008
12009 2005-01-08  Roger Sayle  <roger@eyesopen.com>
12010
12011         * ifcvt.c (find_if_case_1): Reinstate 2005-01-04 change, now that
12012         the latent bug in rtl_delete_block has been resolved.
12013
12014 2005-01-08  Richard Sandiford  <rsandifo@redhat.com>
12015
12016         * config/mips/t-iris6 (MULTILIB_DIRNAMES): Use -mabi argument values.
12017         (MULTILIB_OSDIRNAMES): Use the standard lib, lib32 and lib64.
12018
12019 2005-01-08  Richard Sandiford  <rsandifo@redhat.com>
12020
12021         * config/mips/t-slibgcc-irix (SHLIB_LINK): Install a copy of the
12022         library as @multilib_dir@/$(SHLIB_SONAME).
12023
12024 2005-01-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
12025
12026         * configure.ac (HAVE_AS_OFFSETABLE_LO10): Fix typo.
12027         * configure: Regenerate.
12028
12029 2005-01-07  Jakub Jelinek  <jakub@redhat.com>
12030
12031         * c-common.c (handle_mode_attribute): For ENUMERAL_TYPE, also copy
12032         TYPE_MODE.
12033
12034 2005-01-07  David Edelsohn  <edelsohn@gnu.org>
12035
12036         PR target/13674
12037         * config/rs6000/rs6000.c (rs6000_legitimize_reload_address):
12038         Convert non-word aligned offset address using ld/std into
12039         indirect address.
12040
12041 2005-01-07  Richard Henderson  <rth@redhat.com>
12042
12043         * config/i386/i386.md (sse_loadhps splitter): Fix operand number typo.
12044
12045 2005-01-07  Richard SAndiford  <rsandifo@redhat.com>
12046
12047         * tree.h (IS_EXPR_CODE_CLASS): Use a straight-forward range check.
12048
12049 2005-01-07  Jakub Jelinek  <jakub@redhat.com>
12050
12051         PR tree-optimization/19283
12052         * fold-const.c (fold_widened_comparison): Return NULL if shorter_type
12053         is not shorter than the original type.
12054
12055         PR rtl-optimization/19012
12056         * config/i386/i386.md (addqi_1_slp): Set memory attribute.
12057
12058         PR rtl-optimization/18861
12059         * cfgbuild.c (BLOCK_USED_BY_TABLEJUMP): Define.
12060         (FULL_STATE): Define.
12061         (mark_tablejump_edge): New function.
12062         (purge_dead_tablejump_edges): New function.
12063         (find_bb_boundaries): Use it.
12064
12065         PR tree-optimization/18828
12066         * builtins.c (expand_builtin_next_arg): Remove argument and all
12067         the argument checking.
12068         (expand_builtin): Adjust caller.
12069         (expand_builtin_va_start): Likewise.  Remove error for too many
12070         arguments.
12071         (fold_builtin_next_arg): Issue error for too many arguments.
12072         After checking arguments, replace them with magic arguments that
12073         prevent further checking of the args.
12074
12075 2005-01-06  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
12076
12077         * pa64-hpux.h (STARTFILE_SPEC): Fix typo in spec.
12078
12079 2005-01-06  Roger Sayle  <roger@eyesopen.com>
12080
12081         PR target/6077
12082         * gcc.c (input_suffix_matches): Tweak the semantics of %{.s:...}
12083         and %{.S:...} (and their negative variants) to test whether the
12084         input file is assembler or pre-processed-assembler independent of
12085         the actual filename extension.
12086
12087 2005-01-06  Roger Sayle  <roger@eyesopen.com>
12088
12089         * simplify-rtx.c (simplify_subreg): Simplify truncations of shifts
12090         of sign or zero extended values.
12091
12092 2005-01-06  Geoffrey Keating  <geoffk@apple.com>
12093
12094         * c-cppbuiltin.c (builtin_define_float_constants): Set __*_EPSILON__
12095         for IBM long double format correctly.
12096
12097 2005-01-06  Daniel Berlin <dberlin@dberlin.org>
12098
12099         Fix PR tree-optimization/18792
12100
12101         * tree-data-ref.c (build_classic_dist_vector): Change first_loop
12102         to first_loop_depth, and use loop depth instead of loop number.
12103         (build_classic_dir_vector): Ditto.
12104         (compute_data_dependences_for_loop): Use depth, not loop number.
12105         * tree-loop-linear.c (try_interchange_loops): Use loop depth, not loop
12106         number. Pass in loops, instead of loop numbers.
12107         (gather_interchange_stats): Ditto.
12108         (linear_transform_loops): Ditto.
12109
12110 2005-01-06  Richard Sandiford  <rsandifo@redhat.com>
12111
12112         PR rtl-opt/13299
12113         * loop.c (get_monotonic_increment, biased_biv_fits_mode_p,
12114         biv_fits_mode_p, extension_within_bounds_p): New functions.
12115         (check_ext_dependent_givs): Use them.
12116
12117 2005-01-06  Roger Sayle  <roger@eyesopen.com>
12118
12119         * cfgrtl.c (rtl_delete_block): A basic block may be followed by
12120         more than one barrier, in which case we should delete them all.
12121
12122 2005-01-06  Tobias Schlueter  <tobias.schlueter@physik.uni-muenchen.de>
12123
12124         * gcc.c (process_command): Change year in 'gcc --version' to 2005.
12125
12126 2005-01-05  Daniel Berlin  <dberlin@dberlin.org>
12127
12128         Fix PR middle-end/19286
12129         Fix PR debug/19267
12130         * dwarf2out.c (gen_subprogram_die): If we've already tried to
12131         output this subprogram, simply ignore this attempt to do it again.
12132         (add_abstract_origin_attribute): Don't abort trying to add the abstract
12133         origin attribute if it's not possible.
12134         (gen_block_die): Don't ignore subblocks of "unused" blocks.
12135         (decls_for_scope): Ditto.
12136         * gimple-low.c (mark_blocks_with_used_subblocks): Remove.
12137         (mark_used_blocks): Don't call mark_blocks_with_used_subblocks.
12138
12139 2005-01-05  Richard Henderson  <rth@redhat.com>
12140
12141         PR target/11327
12142         * config/i386/i386.c (BUILTIN_DESC_SWAP_OPERANDS): New.
12143         (bdesc_2arg): Use it.
12144         (ix86_expand_binop_builtin): Force operands into registers
12145         when optimizing.
12146         (ix86_expand_unop_builtin, ix86_expand_unop1_builtin,
12147         ix86_expand_sse_compare, ix86_expand_sse_comi,
12148         ix86_expand_builtin): Likewise.
12149
12150 2005-01-05  Richard Henderson  <rth@redhat.com>
12151
12152         * config/ia64/ia64.c (rtx_needs_barrier): Handle CONST_VECTOR
12153         and VEC_SELECT.
12154         * config/ia64/vect.md (mulv8qi3): Re-implement with mix_[rl].
12155         (mulv4hi3): Set itanium_class mmmul.
12156         (fpack_sfxf, fpack_xfsf, fpack_xfxf): Remove.
12157         (fpack): Rename from fpack_sfsf.
12158
12159 2005-01-05  Richard Henderson  <rth@redhat.com>
12160
12161         PR rtl-opt/10692
12162         * reload1.c (do_input_reload): Restrict the optimization deleteing
12163         a previous output reload to RELOAD_FOR_INPUT.
12164
12165 2005-01-05  Steven Bosscher  <stevenb@suse.de>
12166
12167         * combine.c (expand_compound_operation)  <ZERO_EXTRACT>: Add
12168         comment that we fall through after case.
12169         (mark_used_regs_combine): Don't expect a SIGN_EXTRACT in a SET_DEST.
12170         (distribute_links): Likewise.
12171         * cse.c (cse_insn): Likewise.
12172         * cselib.c (cselib_invalidate_mem): Likewise.
12173         * df.c: Update comments at the top of the file.
12174         (read_modify_subreg_p): Update comments here too.
12175         (df_def_record_1): Don't expect a SIGN_EXTRACT in a SET_DEST.
12176         * flow.c (mark_set_1): Likewise.
12177         (mark_used_regs): Likewise.
12178         * gcse.c (mems_conflict_for_gcse_p): Likewise.
12179         (canon_list_insert): Likewise.
12180         (mark_set): Likewise.
12181         (try_replace_reg): Likewise.
12182         (store_killed_in_insn): Likewise.
12183         * loop.c (count_one_set): Likewise.
12184         (basic_induction_var): Likewise.
12185         * postreload-gcse.c (find_mem_conflicts): Likewise.
12186         * postreload.c (reload_combine_note_store): Likewise.
12187         (move2add_note_store): Likewise.
12188         * reload.c (find_equiv_reg): Likewise.
12189         (mark_referenced_resources): Likewise.
12190         * rtlanal.c (set_noop_p): Likewise.
12191         (note_stores): Likewise.
12192         (note_uses): Likewise.
12193         * sched-deps.c (sched_analyze_1): Likewise.
12194         * sched-rgn.c (check_live_1): Likewise.
12195         (update_live_1): Likewise.
12196         * config/i860/i860.c: Likewise.
12197
12198         * rtl.dec (SIGN_EXTRACT): Document that this cannot appear as
12199         an lvalue.
12200         (ZERO_EXTRACT): Mention that this one can be an lvalue.
12201
12202         * doc/rtl.texi: Update documentation for bit-fields and SET.
12203
12204 2005-01-05  Roger Sayle  <roger@eyesopen.com>
12205
12206         * ifcvt.c (find_if_case_1): Revert 2005-01-04 change.
12207
12208 2005-01-05  Jan Hubicka  <jh@suse.cz>
12209             Richard Henderson  <rth@redhat.com>
12210
12211         PR target/18910
12212         * config/i386/i386.c (ix86_expand_move): Handle tls symbols
12213         with an offset.
12214
12215 2005-01-05  Richard Henderson  <rth@redhat.com>
12216
12217         PR target/12902
12218         * config/i386/i386.md (sse_movhps, sse_movlps): Remove.
12219         (sse_shufps): Change operand 3 to const_int_operand.
12220         (sse2_storelps): Fix typo in template.
12221         (sse_storehps, sse_loadhps, sse_storelps, sse_loadlps): New.
12222         * config/i386/i386.c (ix86_expand_vector_move_misalign): Use them.
12223         (ix86_expand_builtin): Likewise.
12224
12225 2005-01-05  Julian Brown  <julian@codesourcery.com>
12226
12227         * config/arm/arm.c (arm_return_in_memory): Treat complex types
12228         as aggregates for AAPCS ABIs.
12229
12230 2005-01-05  Stan Shebs  <shebs@apple.com>
12231
12232         * unwind-dw2-fde-darwin.c (examine_objects): Use 64-bit
12233         Mach-O getters if ppc64.
12234         * config/darwin.c (darwin_asm_output_dwarf_delta): Obey
12235         size argument.
12236         * config/darwin.h (ASM_PREFERRED_EH_DATA_FORMAT): Use
12237         signed four-byte field for global code case.
12238         (STARTFILE_SPEC): Avoid crt2.o for 64-bit compilation.
12239
12240 2005-01-05  Roger Sayle  <roger@eyesopen.com>
12241
12242         PR middle-end/19100
12243         * c-common.c: Include real.h.
12244         (c_common_truthvalue_conversion): Avoid destructively modifying expr.
12245         Correctly handle TREE_CONSTANT_OVERFLOW for INTEGER_CST.
12246         Correctly handle TREE_CONSTANT_OVERFLOW and NaNs for REAL_CST.
12247         * Makefile.in (c-common.o): Update dependencies.
12248
12249 2005-01-05  Joseph S. Myers  <joseph@codesourcery.com>
12250
12251         * c-parse.in (asm_string): Add trailing semicolon.
12252
12253 2005-01-05  Joseph S. Myers  <joseph@codesourcery.com>
12254
12255         * c-parse.in (asm_string): New.  Don't allow wide strings in
12256         'asm'.
12257         (simple_asm_expr, asm_argument, asm_operand, asm_clobbers): Use
12258         asm_string instead of STRING.
12259
12260 2005-01-05  Joseph S. Myers  <joseph@codesourcery.com>
12261
12262         * c-typeck.c (constructor_no_implicit): Remove.
12263         (set_designator, process_init_element): Don't check
12264         constructor_no_implicit.
12265
12266 2005-01-05  J"orn Rennecke <joern.rennecke@st.com>
12267             Kaz Kojima  <kkojima@gcc.gnu.org>
12268
12269         PR target/16482
12270         * lcm.c (create_pre_exit): New.
12271         (optimize_mode_switching): In MODE_ENTRY / MODE_EXIT case, set
12272         ENTRY_EXIT_EXTRA to 3.  Use create_pre_exit.
12273
12274 2004-01-05  Richard Earnshaw  <rearnsha@arm.com>
12275
12276         * arm.h (TARGET_OPTIONS): Correctly record -mhard-float and
12277         -msoft-float in target_float_switch.
12278         * arm.c (arm_override_options): Fix processing of target_float_switch.
12279
12280 2004-01-05  Richard Earnshaw  <rearnsha@arm.com>
12281
12282         * arm/vfp.md (arm_movsi_vfp): Hide VFP register classes from register
12283         preferencing.
12284
12285 2004-01-05  Uros Bizjak  <uros@kss-loka.si>
12286
12287         * doc/invoke.texi (Intel 386 and AMD x86-64 Options):
12288         Replace i387 with 'i386 compiler' in -mfpmath=sse option.
12289
12290 2005-01-04  Roger Sayle  <roger@eyesopen.com>
12291
12292         * ifcvt.c (find_if_case_1): Avoid creating an empty forwarder block,
12293         if deleting the then-block allows the test-block to fallthru to the
12294         else-block.
12295
12296 2005-01-04  Andrew Pinski  <pinskia@physics.uc.edu>
12297
12298         PR c/19152
12299         * c-decl.c (diagnose_mismatched_decls): Accept "extern inline" declared
12300         after the full declaration if the are in two different TUs.
12301
12302 2005-01-04  Richard Henderson  <rth@redhat.com>
12303
12304         PR tree-opt/19158
12305         * tree-sra.c (generate_one_element_init): Just
12306         call gimplify_and_add.
12307         (generate_element_init): Record the
12308         new referenced variables and mark them for renaming
12309         and split out to ...
12310         (generate_element_init_1): This.
12311         (scalarize_init): Don't call push_gimplify_context/
12312         pop_gimplify_context.
12313
12314 2005-01-04  Geoffrey Keating  <geoffk@apple.com>
12315
12316         * toplev.c (get_src_pwd): Handle failure of getpwd().
12317
12318 2005-01-04  Roger Sayle  <roger@eyesopen.com>
12319
12320         * fold-const.c (fold_single_bit_test): Delete unreachable handling
12321         of TRUTH_NOT_EXPR.
12322         (fold): Don't call fold_single_bit_test with a TRUTH_NOT_EXPR, as
12323         all the cases handled by it are inverted by invert_truthvalue.
12324
12325 2005-01-04  Eric Botcazou  <ebotcazou@libertysurf.fr>
12326
12327         * config/sparc/sparc.md (save_register_windowdi): Add missing mode.
12328         (save_register_windowsi): Likewise.
12329
12330 2005-01-04  Richard Henderson  <rth@redhat.com>
12331
12332         * tree-mudflap.c (mf_varname_tree): Fix thinko setting declname.
12333
12334 2005-01-04  Uros Bizjak  <uros@kss-loka.si>
12335
12336         PR middle-end/17767
12337         * cse.c (fold_rtx) [RTX_COMPARE, RTX_COMM_COMPARE]: Don't attempt
12338         any simplifications of vector mode comparison operators.
12339         * simplify-rtx.c (simplify_relational_operation): Fix variable name.
12340
12341 2005-01-04  Paolo Bonzini  <bonzini@gnu.org>
12342             Devang Patel  <dpatel@apple.com>
12343
12344         PR tree-optimization/18308
12345         * tree-if-conv.c (add_to_dst_predicate_list): Gimplify
12346         the operands before creating a new expression.
12347         * dojump.c (do_jump): Make drop_through_label available
12348         for all cases.  Add expansion of COND_EXPR.
12349
12350 2005-01-04  Ira Rosen  <irar@il.ibm.com>
12351
12352         * tree-vectorizer.c (vect_analyze_offset_expr): Test for
12353         INTEGER_CST instead of TREE_CONSTANT.
12354         (vect_gen_niters_for_prolog_loop): Test for INTEGER_CST
12355         instead of TREE_CONSTANT.
12356         (vect_analyze_pointer_ref_access): Test for INTEGER_CST
12357         instead of TREE_CONSTANT.
12358
12359 2005-01-04  Eric Botcazou  <ebotcazou@libertysurf.fr>
12360
12361         * tree-eh.c (replace_goto_queue): Return early if the queue is empty.
12362
12363 2005-01-04  Uros Bizjak  <uros@kss-loka.si>
12364
12365         PR target/19240
12366         * config/i386/i386.md (*fop_df_1_i387): Disable for TARGET_SSE_MATH.
12367         (*fop_df_1_i387): Disable for (TARGET_SSE2 && TARGET_SSE_MATH).
12368
12369 2005-01-03  Richard Henderson  <rth@redhat.com>
12370
12371         * fold-const.c (force_fit_type): Cope with types larger than 2 HWI.
12372         (fold_convert_const_int_from_int, fold_convert_const_int_from_real,
12373         fold_convert_const_real_from_real): Split out from ...
12374         (fold_convert_const): ... here.
12375
12376 2005-01-03  Richard Henderson  <rth@redhat.com>
12377
12378         PR target/19235
12379         * config/i386/i386.md (movdi_2): Separate SSE1 and SSE2 alternatives.
12380         (mov<MMXMODEI>_internal): Likewise.
12381         (movdf_nointeger): Prefer Y while not preferring, but allowing, x.
12382         Add V2SF case; use it for SSE1; don't use TI.
12383         (movdf_integer): Likewise.
12384         (mov<SSEMODEI>_internal, movti_internal): Force V4SF for SSE1.
12385
12386 2005-01-03  Ira Rosen  <irar@il.ibm.com>
12387
12388         * tree-vectorizer.c (vect_strip_conversions): New function.
12389         (vect_analyze_offset_expr): Call vect_strip_conversions. Add
12390         check for binary class.
12391
12392 2005-01-03  Daniel Berlin  <dberlin@dberlin.org>
12393
12394         Fix PR debug/17924
12395         Fix PR debug/19191
12396         * dwarf2out.c (block_ultimate_origin): Follow decl origin if origin
12397         is a decl.
12398         * gimple-low.c (mark_blocks_with_used_vars): New function.
12399         (mark_blocks_with_used_subblocks): Ditto.
12400         (mark_used_blocks): Ditto.
12401         (pass_mark_used_blocks): New pass.
12402         * tree-inline.c: Include debug.h.
12403         (expand_call_inline): Call outlining_inline_function here.
12404         * tree-optimize.c (init_tree_optimization_passes): Add
12405         pass_mark_used_blocks.
12406         * tree-pass.h (pass_mark_used_blocks): New.
12407         * Makefile.in (tree-inline.o): Add debug.h dependency.
12408
12409 2005-01-03  Geoffrey Keating  <geoffk@apple.com>
12410
12411         * config/darwin.c (darwin_handle_weak_import_attribute): Permit
12412         VAR_DECLs to have weak_import attribute.
12413
12414         * config/rs6000/darwin-fallback.c: Use 'ucontext_t' rather than
12415         'struct ucontext'.
12416
12417 2004-01-03  Steven Bosscher  <stevenb@suse.de>
12418
12419         * passes.c (rest_of_compilation): Don't run regmove if only
12420         flag_expensive_optimizations, require flag_regmove instead.
12421
12422 2005-01-03  Eric Botcazou  <ebotcazou@libertysurf.fr>
12423
12424         * config/sparc/litecoff.h (TARGET_OS_CPP_BUILTINS): Do not
12425         register "sparc".
12426         * config/sparc/sysv4-only.h (TARGET_OS_CPP_BUILTINS): Likewise.
12427         * config/sparc/rtemself.h (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
12428         * config/sparc/sol2-64.h (TARGET_SUB_OS_CPP_BUILTINS): Delete.
12429         * config/sparc/sp64-elf.h (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
12430
12431 2005-01-03  Richard Henderson  <rth@redhat.com>
12432
12433         * config/ia64/ia64.c (TARGET_VECTOR_MODE_SUPPORTED_P): New.
12434         (ia64_const_ok_for_letter_p): New.
12435         (ia64_const_double_ok_for_letter_p): New.
12436         (ia64_extra_constraint): New.
12437         (ia64_expand_vecint_compare): New.
12438         (ia64_expand_vcondu_v2si): New.
12439         (ia64_expand_vecint_cmov): New.
12440         (ia64_expand_vecint_minmax): New.
12441         (ia64_print_operand): Add 'v'.
12442         (ia64_preferred_reload_class): New.
12443         (ia64_vector_mode_supported_p): New.
12444         * config/ia64/ia64.h (UNITS_PER_SIMD_WORD): New.
12445         (PREFERRED_RELOAD_CLASS): Move to function.
12446         (CONST_OK_FOR_LETTER_P): Move to function.
12447         (CONST_DOUBLE_OK_FOR_LETTER_P): Move to function.
12448         (CONSTRAINT_OK_FOR_Q, CONSTRAINT_OK_FOR_R): Remove.
12449         (CONSTRAINT_OK_FOR_S, CONSTRAINT_OK_FOR_T): Remove.
12450         (EXTRA_CONSTRAINT): Move to function.
12451         * config/ia64/ia64.md: Include vect.md.
12452         (itanium_class): Add mmalua.
12453         (type): Handle it.
12454         * config/ia64/itanium1.md (1_mmalua): New.  Add it to bypasses.
12455         (1b_mmalua): New.
12456         * config/ia64/itanium2.md (2_mmalua, 2b_mmalua): Similarly.
12457         * config/ia64/predicates.md (gr_reg_or_0_operand): Accept any
12458         CONST0_RTX.
12459         (const_int_2bit_operand): New.
12460         (fr_reg_or_0_operand): New.
12461         * config/ia64/ia64-modes.def: Add vector modes.
12462         * config/ia64/ia64-protos.h: Update.
12463         * config/ia64/vect.md: New file.
12464
12465 2005-01-03  Richard Henderson  <rth@redhat.com>
12466
12467         * simplify-rtx.c (simplify_binary_operation): Handle VEC_CONCAT.
12468
12469 2005-01-03  Uros Bizjak  <uros@kss-loka.si>
12470
12471         PR target/19236
12472         * config/i386/i386.c (log1psf2): Change mode of operands[0,1]
12473         to SFmode.
12474         (log1pdf2): Change mode of operands[0,1] to DFmode.
12475
12476 2005-01-03  Eric Botcazou  <ebotcazou@libertysurf.fr>
12477
12478         * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Define to false.
12479         * config/sparc/linux.h (SPARC_RELAXED_ORDERING): Define to true.
12480         * config/sparc/linux64.h (SPARC_RELAXED_ORDERING): Likewise.
12481         * config/sparc/sparc.c (TARGET_RELAXED_ORDERING): Define to
12482         SPARC_RELAXED_ORDERING.
12483
12484 2005-01-03  Richard Henderson  <rth@redhat.com>
12485             Uros Bizjak  <uros@kss-loka.si>
12486
12487         PR target/14631
12488         * config/i386/i386.c (ix86_expand_builtin): [IX86_BUILTIN_PINSRW,
12489         IX86_BUILTIN_PINSRW128]: Fix wrong selector range in error message.
12490         * config/i386/i386.md (mmx_pinsrw, sse2_pinsrw): Fix selector
12491         handling.
12492         (*mmx_pinsrw, *sse2_pinsrw): New patterns.
12493         * config/i386/i386/predicates.md (const_pow2_1_to_8_operand,
12494         const_pow2_1_to_128_operand): New predicates.
12495
12496 2005-01-02  Greg McGary  <greg@mcgary.org>
12497
12498         * tree-mudflap.c (mf_varname_tree): decl_printable_name handles
12499         anonymous decls.
12500         (mf_xform_derefs_1) [RESULT_DECL, STRING_CST]: Handle as innermost
12501         object.  [ptr_type]: Remove unused variable.
12502         Remember nearest addressable array-element or record-component
12503         when checking bitfield components.  Tolerate empty BIND_EXPR.
12504
12505 2005-01-01  Richard Henderson  <rth@redhat.com>
12506
12507         * tree-vectorizer.c (vect_analyze_offset_expr): Strip conversions
12508         that don't narrow the value.  Fail for other conversions.
12509
12510 2005-01-01  Richard Henderson  <rth@redhat.com>
12511
12512         PR c/19031
12513         * c-decl.c (pop_file_scope): Call maybe_apply_pending_pragma_weaks.
12514         * c-lang.c (finish_file): Don't do it here.
12515         * objc/objc-act.c (objc_finish_file): Likewise.
12516
12517         * cgraph.c (decl_assembler_name_equal): New.
12518         (cgraph_node_for_asm, cgraph_varpool_node_for_asm): New.
12519         (cgraph_varpool_node): Actually link up cgraph_varpool_nodes.
12520         * cgraph.h (struct cgraph_varpool_node): Add next.
12521         (cgraph_node_for_asm, cgraph_varpool_node_for_asm): Declare.
12522         * varasm.c (assemble_alias): Mark the target as needed.
12523
12524 2005-01-01  Andrew Pinski  <pinskia@physics.uc.edu>
12525
12526         PR middle-end/19221
12527         * function.c (get_arg_pointer_save_area): Use entry_of_function
12528         instead of get_insns.
12529
12530 2005-01-01  Roger Sayle  <roger@eyesopen.com>
12531             Andrew Pinski  <pinskia@physics.uc.edu>
12532             James E. Wilson  <wilson@specifixinc.com>
12533
12534         PR rtl-optimization/12092
12535         * loop.c (emit_prefetch_instructions): Do nothing if PREFETCH_BLOCK
12536         is zero.
12537
12538 2005-01-01  Roger Sayle  <roger@eyesopen.com>
12539             Olivier Hainque  <hainque@act-europe.fr>
12540
12541         * tree.c (int_fits_type_p): A narrower type always fits in a
12542         wider one, except for negative values into unsigned types.
12543
12544 2005-01-01  Roger Sayle  <roger@eyesopen.com>
12545
12546         * tree.c (int_fits_type_p): Compare the result of force_fit_type
12547         with the original constant rather than require TREE_OVERFLOW.
12548
12549 2005-01-01  Steven Bosscher  <stevenb@suse.de>
12550
12551         PR middle-end/17544
12552         * c-decl.c (finish_function): If compiling C99, annotate the
12553         compiler generated return with the current file name and line 0.
12554         * tree-cfg.c (remove_useless_stmts_warn_notreached): Only warn if
12555         the source line is greater than 0.
12556         (remove_bb): Likewise.